/* * Linux cfg80211 driver * * Copyright (C) 1999-2019, Broadcom. * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2 (the "GPL"), * available at http://www.broadcom.com/licenses/GPLv2.php, with the * following added to such license: * * As a special exception, the copyright holders of this software give you * permission to link this software with independent modules, and to copy and * distribute the resulting executable under terms of your choice, provided that * you also meet, for each linked independent module, the terms and conditions of * the license of that module. An independent module is a module which is not * derived from this software. The special exception does not apply to any * modifications of the software. * * Notwithstanding the above, under no circumstances may you combine this * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * * * <> * * $Id: wl_cfg80211.c 826086 2019-06-18 19:23:59Z $ */ /* */ #include #include #include #include #include #include #include #include #ifdef WL_WPS_SYNC #include #endif /* WL_WPS_SYNC */ #include <802.11.h> #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef WL_FILS #include #include #endif /* WL_FILS */ #include #include #include #include #include #include #include #include #include #include #ifdef PNO_SUPPORT #include #endif /* PNO_SUPPORT */ #include #if !defined(WL_VENDOR_EXT_SUPPORT) #undef GSCAN_SUPPORT #endif #include #ifdef WL_NAN #include #endif /* WL_NAN */ #ifdef PROP_TXSTATUS #include #endif // endif #ifdef BCMPCIE #include #endif // endif #ifdef RTT_SUPPORT #include #endif /* RTT_SUPPORT */ #define BRCM_SAE_VENDOR_EVENT_BUF_LEN 500 #ifdef DNGL_AXI_ERROR_LOGGING #include #endif /* DNGL_AXI_ERROR_LOGGING */ #if defined(CONFIG_WLAN_BEYONDX) || defined(CONFIG_SEC_5GMODEL) #include #include #endif /* CONFIG_WLAN_BEYONDX || defined(CONFIG_SEC_5GMODEL) */ #ifdef BCMWAPI_WPI /* these items should evetually go into wireless.h of the linux system headfile dir */ #ifndef IW_ENCODE_ALG_SM4 #define IW_ENCODE_ALG_SM4 0x20 #endif // endif #ifndef IW_AUTH_WAPI_ENABLED #define IW_AUTH_WAPI_ENABLED 0x20 #endif // endif #ifndef IW_AUTH_WAPI_VERSION_1 #define IW_AUTH_WAPI_VERSION_1 0x00000008 #endif // endif #ifndef IW_AUTH_CIPHER_SMS4 #define IW_AUTH_CIPHER_SMS4 0x00000020 #endif // endif #ifndef IW_AUTH_KEY_MGMT_WAPI_PSK #define IW_AUTH_KEY_MGMT_WAPI_PSK 4 #endif // endif #ifndef IW_AUTH_KEY_MGMT_WAPI_CERT #define IW_AUTH_KEY_MGMT_WAPI_CERT 8 #endif // endif #endif /* BCMWAPI_WPI */ #ifdef BCMWAPI_WPI #define IW_WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED | SMS4_ENABLED)) #else /* BCMWAPI_WPI */ #define IW_WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED)) #endif /* BCMWAPI_WPI */ #if (defined(WL_FW_OCE_AP_SELECT) || defined(BCMFW_ROAM_ENABLE) && ((LINUX_VERSION_CODE \ >= KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS))) uint fw_ap_select = true; #else uint fw_ap_select = false; #endif /* WL_FW_OCE_AP_SELECT && (ROAM_ENABLE || BCMFW_ROAM_ENABLE) */ module_param(fw_ap_select, uint, 0660); static struct device *cfg80211_parent_dev = NULL; static struct bcm_cfg80211 *g_bcmcfg = NULL; u32 wl_dbg_level = WL_DBG_ERR; // | WL_DBG_P2P_ACTION | WL_DBG_INFO; #define MAX_VIF_OFFSET 15 #define MAX_WAIT_TIME 1500 #ifdef WLAIBSS_MCHAN #define IBSS_IF_NAME "ibss%d" #endif /* WLAIBSS_MCHAN */ #ifdef VSDB /* sleep time to keep STA's connecting or connection for continuous af tx or finding a peer */ #define DEFAULT_SLEEP_TIME_VSDB 120 #define OFF_CHAN_TIME_THRESHOLD_MS 200 #define AF_RETRY_DELAY_TIME 40 /* if sta is connected or connecting, sleep for a while before retry af tx or finding a peer */ #define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg) \ do { \ if (wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg)) || \ wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) { \ OSL_SLEEP(DEFAULT_SLEEP_TIME_VSDB); \ } \ } while (0) #else /* VSDB */ /* if not VSDB, do nothing */ #define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg) #endif /* VSDB */ #define DNGL_FUNC(func, parameters) func parameters #define COEX_DHCP #define WLAN_EID_SSID 0 #define CH_MIN_5G_CHANNEL 34 #ifdef WL_RELMCAST enum rmc_event_type { RMC_EVENT_NONE, RMC_EVENT_LEADER_CHECK_FAIL }; #endif /* WL_RELMCAST */ /* This is to override regulatory domains defined in cfg80211 module (reg.c) * By default world regulatory domain defined in reg.c puts the flags NL80211_RRF_PASSIVE_SCAN * and NL80211_RRF_NO_IBSS for 5GHz channels (for 36..48 and 149..165). * With respect to these flags, wpa_supplicant doesn't start p2p operations on 5GHz channels. * All the chnages in world regulatory domain are to be done here. * * this definition reuires disabling missing-field-initializer warning * as the ieee80211_regdomain definition differs in plain linux and in Android */ #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \ 4 && __GNUC_MINOR__ >= 6)) _Pragma("GCC diagnostic push") _Pragma("GCC diagnostic ignored \"-Wmissing-field-initializers\"") #endif // endif static const struct ieee80211_regdomain brcm_regdom = { .n_reg_rules = 4, .alpha2 = "99", .reg_rules = { /* IEEE 802.11b/g, channels 1..11 */ REG_RULE(2412-10, 2472+10, 40, 6, 20, 0), /* If any */ /* IEEE 802.11 channel 14 - Only JP enables * this and for 802.11b only */ REG_RULE(2484-10, 2484+10, 20, 6, 20, 0), /* IEEE 802.11a, channel 36..64 */ REG_RULE(5150-10, 5350+10, 40, 6, 20, 0), /* IEEE 802.11a, channel 100..165 */ REG_RULE(5470-10, 5850+10, 40, 6, 20, 0), } }; #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \ 4 && __GNUC_MINOR__ >= 6)) _Pragma("GCC diagnostic pop") #endif // endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \ (defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF)) static const struct ieee80211_iface_limit common_if_limits[] = { { /* * Driver can support up to 2 AP's */ .max = 2, .types = BIT(NL80211_IFTYPE_AP), }, { /* * During P2P-GO removal, P2P-GO is first changed to STA and later only * removed. So setting maximum possible number of STA interfaces according * to kernel version. * * less than linux-3.8 - max:3 (wlan0 + p2p0 + group removal of p2p-p2p0-x) * linux-3.8 and above - max:4 * sta + NAN NMI + NAN DPI open + NAN DPI sec (since there is no iface type * for NAN defined, registering it as STA type) */ #ifdef WL_ENABLE_P2P_IF .max = 5, #else .max = 4, #endif /* WL_ENABLE_P2P_IF */ .types = BIT(NL80211_IFTYPE_STATION), }, { .max = 2, .types = BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_CLIENT), }, #if defined(WL_CFG80211_P2P_DEV_IF) { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE), }, #endif /* WL_CFG80211_P2P_DEV_IF */ { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC), }, }; #define NUM_DIFF_CHANNELS 2 static const struct ieee80211_iface_combination common_iface_combinations[] = { { .num_different_channels = NUM_DIFF_CHANNELS, /* * At Max 5 network interfaces can be registered concurrently */ .max_interfaces = IFACE_MAX_CNT, .limits = common_if_limits, .n_limits = ARRAY_SIZE(common_if_limits), }, }; #endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */ static const char *wl_if_state_strs[WL_IF_STATE_MAX + 1] = { "WL_IF_CREATE_REQ", "WL_IF_CREATE_DONE", "WL_IF_DELETE_REQ", "WL_IF_DELETE_DONE", "WL_IF_CHANGE_REQ", "WL_IF_CHANGE_DONE", "WL_IF_STATE_MAX" }; #ifdef BCMWAPI_WPI #if defined(ANDROID_PLATFORM_VERSION) && (ANDROID_PLATFORM_VERSION >= 8) /* WAPI define in ieee80211.h is used */ #else #undef WLAN_AKM_SUITE_WAPI_PSK #define WLAN_AKM_SUITE_WAPI_PSK 0x000FAC04 #undef WLAN_AKM_SUITE_WAPI_CERT #define WLAN_AKM_SUITE_WAPI_CERT 0x000FAC12 #undef NL80211_WAPI_VERSION_1 #define NL80211_WAPI_VERSION_1 1 << 2 #endif /* ANDROID_PLATFORM_VERSION && ANDROID_PLATFORM_VERSION >= 8 */ #endif /* BCMWAPI_WPI */ /* Data Element Definitions */ #define WPS_ID_CONFIG_METHODS 0x1008 #define WPS_ID_REQ_TYPE 0x103A #define WPS_ID_DEVICE_NAME 0x1011 #define WPS_ID_VERSION 0x104A #define WPS_ID_DEVICE_PWD_ID 0x1012 #define WPS_ID_REQ_DEV_TYPE 0x106A #define WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS 0x1053 #define WPS_ID_PRIM_DEV_TYPE 0x1054 /* Device Password ID */ #define DEV_PW_DEFAULT 0x0000 #define DEV_PW_USER_SPECIFIED 0x0001, #define DEV_PW_MACHINE_SPECIFIED 0x0002 #define DEV_PW_REKEY 0x0003 #define DEV_PW_PUSHBUTTON 0x0004 #define DEV_PW_REGISTRAR_SPECIFIED 0x0005 /* Config Methods */ #define WPS_CONFIG_USBA 0x0001 #define WPS_CONFIG_ETHERNET 0x0002 #define WPS_CONFIG_LABEL 0x0004 #define WPS_CONFIG_DISPLAY 0x0008 #define WPS_CONFIG_EXT_NFC_TOKEN 0x0010 #define WPS_CONFIG_INT_NFC_TOKEN 0x0020 #define WPS_CONFIG_NFC_INTERFACE 0x0040 #define WPS_CONFIG_PUSHBUTTON 0x0080 #define WPS_CONFIG_KEYPAD 0x0100 #define WPS_CONFIG_VIRT_PUSHBUTTON 0x0280 #define WPS_CONFIG_PHY_PUSHBUTTON 0x0480 #define WPS_CONFIG_VIRT_DISPLAY 0x2008 #define WPS_CONFIG_PHY_DISPLAY 0x4008 #define PM_BLOCK 1 #define PM_ENABLE 0 /* GCMP crypto supported above kernel v4.0 */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 0, 0)) #define WL_GCMP #endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(4, 0, 0) */ #ifndef IBSS_COALESCE_ALLOWED #define IBSS_COALESCE_ALLOWED IBSS_COALESCE_DEFAULT #endif // endif #ifndef IBSS_INITIAL_SCAN_ALLOWED #define IBSS_INITIAL_SCAN_ALLOWED IBSS_INITIAL_SCAN_ALLOWED_DEFAULT #endif // endif #define CUSTOM_RETRY_MASK 0xff000000 /* Mask for retry counter of custom dwell time */ #define LONG_LISTEN_TIME 2000 #ifdef RTT_SUPPORT static s32 wl_cfg80211_rtt_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* RTT_SUPPORT */ #ifdef WL_CHAN_UTIL static s32 wl_cfg80211_bssload_report_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); static s32 wl_cfg80211_start_bssload_report(struct net_device *ndev); #endif /* WL_CHAN_UTIL */ #ifdef SUPPORT_AP_RADIO_PWRSAVE #define RADIO_PWRSAVE_PPS 10 #define RADIO_PWRSAVE_QUIET_TIME 10 #define RADIO_PWRSAVE_LEVEL 3 #define RADIO_PWRSAVE_STAS_ASSOC_CHECK 0 #define RADIO_PWRSAVE_LEVEL_MIN 1 #define RADIO_PWRSAVE_LEVEL_MAX 9 #define RADIO_PWRSAVE_PPS_MIN 1 #define RADIO_PWRSAVE_QUIETTIME_MIN 1 #define RADIO_PWRSAVE_ASSOCCHECK_MIN 0 #define RADIO_PWRSAVE_ASSOCCHECK_MAX 1 #define RADIO_PWRSAVE_MAJOR_VER 1 #define RADIO_PWRSAVE_MINOR_VER 1 #define RADIO_PWRSAVE_MAJOR_VER_SHIFT 8 #define RADIO_PWRSAVE_VERSION \ ((RADIO_PWRSAVE_MAJOR_VER << RADIO_PWRSAVE_MAJOR_VER_SHIFT)| RADIO_PWRSAVE_MINOR_VER) #endif /* SUPPORT_AP_RADIO_PWRSAVE */ /* SoftAP related parameters */ #define DEFAULT_2G_SOFTAP_CHANNEL 1 #define DEFAULT_5G_SOFTAP_CHANNEL 149 #define WL_MAX_NUM_CSA_COUNTERS 255 #define MAX_VNDR_OUI_STR_LEN 256u #define VNDR_OUI_STR_LEN 10u #define DOT11_DISCONNECT_RC 2u static const uchar *exclude_vndr_oui_list[] = { "\x00\x50\xf2", /* Microsoft */ "\x00\x00\xf0", /* Samsung Elec */ WFA_OUI, /* WFA */ NULL }; typedef struct wl_vndr_oui_entry { uchar oui[DOT11_OUI_LEN]; struct list_head list; } wl_vndr_oui_entry_t; #if defined(WL_DISABLE_HE_SOFTAP) || defined(WL_DISABLE_HE_P2P) || \ defined(SUPPORT_AP_BWCTRL) #define WL_HE_FEATURES_HE_AP 0x8 #define WL_HE_FEATURES_HE_P2P 0x20 #endif // endif static int wl_vndr_ies_get_vendor_oui(struct bcm_cfg80211 *cfg, struct net_device *ndev, char *vndr_oui, u32 vndr_oui_len); static void wl_vndr_ies_clear_vendor_oui_list(struct bcm_cfg80211 *cfg); static s32 wl_cfg80211_parse_vndr_ies(const u8 *parse, u32 len, struct parsed_vndr_ies *vndr_ies); #if defined(WL_FW_OCE_AP_SELECT) static bool wl_cfgoce_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, const u8 *oui, u32 oui_len, u8 type); /* Check whether the given IE looks like WFA OCE IE. */ #define wl_cfgoce_is_oce_ie(ie, tlvs, len) wl_cfgoce_has_ie(ie, tlvs, len, \ (const uint8 *)WFA_OUI, WFA_OUI_LEN, WFA_OUI_TYPE_MBO_OCE) /* Is any of the tlvs the expected entry? If * not update the tlvs buffer pointer/length. */ static bool wl_cfgoce_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, const u8 *oui, u32 oui_len, u8 type) { /* If the contents match the OUI and the type */ if (ie[TLV_LEN_OFF] >= oui_len + 1 && !bcmp(&ie[TLV_BODY_OFF], oui, oui_len) && type == ie[TLV_BODY_OFF + oui_len]) { return TRUE; } return FALSE; } #endif /* WL_FW_OCE_AP_SELECT */ /* * cfg80211_ops api/callback list */ static s32 wl_frame_get_mgmt(struct bcm_cfg80211 *cfg, u16 fc, const struct ether_addr *da, const struct ether_addr *sa, const struct ether_addr *bssid, u8 **pheader, u32 *body_len, u8 *pbody); static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed); #ifdef WLAIBSS_MCHAN static bcm_struct_cfgdev* bcm_cfg80211_add_ibss_if(struct wiphy *wiphy, char *name); static s32 bcm_cfg80211_del_ibss_if(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev); #endif /* WLAIBSS_MCHAN */ static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params); static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_info *sinfo); #else static s32 wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_info *sinfo); #endif // endif static s32 wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, s32 timeout); static int wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme); #if defined(WL_FILS) static int wl_cfg80211_update_connect_params(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme, u32 changed); #endif /* WL_FILS */ static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code); #if defined(WL_CFG80211_P2P_DEV_IF) static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_tx_power_setting type, s32 mbm); #else static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy, enum nl80211_tx_power_setting type, s32 dbm); #endif /* WL_CFG80211_P2P_DEV_IF */ #if defined(WL_CFG80211_P2P_DEV_IF) static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, s32 *dbm); #else static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm); #endif /* WL_CFG80211_P2P_DEV_IF */ static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool unicast, bool multicast); static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params); static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr); static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, void (*callback) (void *cookie, struct key_params *params)); static s32 wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx); static s32 wl_cfg80211_resume(struct wiphy *wiphy); #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) static s32 wl_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, u64 cookie); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) static s32 wl_cfg80211_del_station( struct wiphy *wiphy, struct net_device *ndev, struct station_del_parameters *params); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, const u8* mac_addr); #else static s32 wl_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, u8* mac_addr); #endif // endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params); #else static s32 wl_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_parameters *params); #endif // endif #endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) static s32 wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow); #else static s32 wl_cfg80211_suspend(struct wiphy *wiphy); #endif // endif static s32 wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa); static s32 wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa); static s32 wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev); #ifdef WL_CLIENT_SAE static bool wl_is_pmkid_available(struct net_device *dev, const u8 *bssid); #endif /* WL_CLIENT_SAE */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS) #if (defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)) || (LINUX_VERSION_CODE < \ KERNEL_VERSION(3, 16, 0) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, const u8 *buf, size_t len); #elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) && \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0))) static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, const u8 *buf, size_t len); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, bool initiator, const u8 *buf, size_t len); #else /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */ static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, const u8 *buf, size_t len); #endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, enum nl80211_tdls_operation oper); #else static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, u8 *peer, enum nl80211_tdls_operation oper); #endif // endif #endif /* LINUX_VERSION > KERNEL_VERSION(3,2,0) || WL_COMPAT_WIRELESS */ static s32 wl_cfg80211_set_ap_role(struct bcm_cfg80211 *cfg, struct net_device *dev); struct wireless_dev * wl_cfg80211_create_iface(struct wiphy *wiphy, wl_iftype_t iface_type, u8 *mac_addr, const char *name); s32 wl_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev); s32 wl_cfg80211_interface_ops(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bsscfg_idx, wl_iftype_t iftype, s32 del, u8 *addr); s32 wl_cfg80211_add_del_bss(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bsscfg_idx, wl_iftype_t brcm_iftype, s32 del, u8 *addr); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS) static s32 wl_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) */ #ifdef GTK_OFFLOAD_SUPPORT #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0)) static s32 wl_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_gtk_rekey_data *data); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) */ #endif /* GTK_OFFLOAD_SUPPORT */ chanspec_t wl_chspec_driver_to_host(chanspec_t chanspec); chanspec_t wl_chspec_host_to_driver(chanspec_t chanspec); static void wl_cfg80211_wait_for_disconnection(struct bcm_cfg80211 *cfg, struct net_device *dev); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) int wl_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_csa_settings *params); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)) static int wl_cfg80211_set_pmk(struct wiphy *wiphy, struct net_device *dev, const struct cfg80211_pmk_conf *conf); static int wl_cfg80211_del_pmk(struct wiphy *wiphy, struct net_device *dev, const u8 *aa); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0) */ /* * event & event Q handlers for cfg80211 interfaces */ static s32 wl_create_event_handler(struct bcm_cfg80211 *cfg); static void wl_destroy_event_handler(struct bcm_cfg80211 *cfg); static void wl_event_handler(struct work_struct *work_data); static void wl_init_eq(struct bcm_cfg80211 *cfg); static void wl_flush_eq(struct bcm_cfg80211 *cfg); static unsigned long wl_lock_eq(struct bcm_cfg80211 *cfg); static void wl_unlock_eq(struct bcm_cfg80211 *cfg, unsigned long flags); static void wl_init_eq_lock(struct bcm_cfg80211 *cfg); static void wl_init_event_handler(struct bcm_cfg80211 *cfg); static struct wl_event_q *wl_deq_event(struct bcm_cfg80211 *cfg); static s32 wl_enq_event(struct bcm_cfg80211 *cfg, struct net_device *ndev, u32 type, const wl_event_msg_t *msg, void *data); static void wl_put_event(struct bcm_cfg80211 *cfg, struct wl_event_q *e); static s32 wl_notify_connect_status_ap(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data); static s32 wl_notify_connect_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); static s32 wl_notify_roaming_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); static s32 wl_bss_connect_done(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data, bool completed); static s32 wl_bss_roaming_done(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data); static s32 wl_notify_mic_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #ifdef BT_WIFI_HANDOVER static s32 wl_notify_bt_wifi_handover_req(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* BT_WIFI_HANDOVER */ #ifdef GSCAN_SUPPORT static s32 wl_handle_roam_exp_event(struct bcm_cfg80211 *wl, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* GSCAN_SUPPORT */ #ifdef RSSI_MONITOR_SUPPORT static s32 wl_handle_rssi_monitor_event(struct bcm_cfg80211 *wl, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* RSSI_MONITOR_SUPPORT */ static s32 wl_notifier_change_state(struct bcm_cfg80211 *cfg, struct net_info *_net_info, enum wl_status state, bool set); #ifdef CUSTOM_EVENT_PM_WAKE static s32 wl_check_pmstatus(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* CUSTOM_EVENT_PM_WAKE */ #if defined(DHD_LOSSLESS_ROAMING) || defined(DBG_PKT_MON) static s32 wl_notify_roam_prep_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* DHD_LOSSLESS_ROAMING || DBG_PKT_MON */ #ifdef DHD_LOSSLESS_ROAMING static void wl_del_roam_timeout(struct bcm_cfg80211 *cfg); #endif /* DHD_LOSSLESS_ROAMING */ #ifdef WL_MBO static s32 wl_mbo_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* WL_MBO */ #ifdef WL_CLIENT_SAE static s32 wl_notify_connect_status_bss(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data); static s32 wl_notify_start_auth(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); static s32 wl_cfg80211_external_auth(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_external_auth_params *ext_auth); #endif /* WL_CLIENT_SAE */ /* * register/deregister parent device */ static void wl_cfg80211_clear_parent_dev(void); /* * ioctl utilites */ /* * cfg80211 set_wiphy_params utilities */ static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold); static s32 wl_set_rts(struct net_device *dev, u32 frag_threshold); static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l); /* * cfg profile utilities */ static s32 wl_update_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, const void *data, s32 item); static void wl_init_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev); /* * cfg80211 connect utilites */ static s32 wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_set_sharedkey(struct net_device *dev, struct cfg80211_connect_params *sme); #ifdef WL_FILS static s32 wl_set_fils_params(struct net_device *dev, struct cfg80211_connect_params *sme); #endif // endif #ifdef BCMWAPI_WPI static s32 wl_set_set_wapi_ie(struct net_device *dev, struct cfg80211_connect_params *sme); #endif // endif #ifdef WL_GCMP static s32 wl_set_wsec_info_algos(struct net_device *dev, uint32 algos, uint32 mask); #endif /* WL_GCMP */ static s32 wl_get_assoc_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev); static s32 wl_ch_to_chanspec(struct net_device *dev, int ch, struct wl_join_params *join_params, size_t *join_params_size); void wl_cfg80211_clear_security(struct bcm_cfg80211 *cfg); /* * information element utilities */ static void wl_rst_ie(struct bcm_cfg80211 *cfg); static __used s32 wl_add_ie(struct bcm_cfg80211 *cfg, u8 t, u8 l, u8 *v); static void wl_update_hidden_ap_ie(wl_bss_info_t *bi, const u8 *ie_stream, u32 *ie_size, bool update_ssid); static s32 wl_mrg_ie(struct bcm_cfg80211 *cfg, u8 *ie_stream, u16 ie_size); static s32 wl_cp_ie(struct bcm_cfg80211 *cfg, u8 *dst, u16 dst_size); static u32 wl_get_ielen(struct bcm_cfg80211 *cfg); #ifdef MFP static int wl_cfg80211_get_rsn_capa(const bcm_tlv_t *wpa2ie, const u8** rsn_cap); #endif // endif static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *dev, dhd_pub_t *data); static void wl_free_wdev(struct bcm_cfg80211 *cfg); #ifdef CONFIG_CFG80211_INTERNAL_REGDB #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 11)) static int #else static void #endif /* kernel version < 3.10.11 */ wl_cfg80211_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request); #endif /* CONFIG_CFG80211_INTERNAL_REGDB */ static s32 wl_inform_single_bss(struct bcm_cfg80211 *cfg, wl_bss_info_t *bi, bool update_ssid); static s32 wl_update_bss_info(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool update_ssid); static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy); s32 wl_cfg80211_channel_to_freq(u32 channel); static void wl_cfg80211_work_handler(struct work_struct *work); static s32 wl_add_keyext(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, const u8 *mac_addr, struct key_params *params); /* * key indianess swap utilities */ static void swap_key_from_BE(struct wl_wsec_key *key); static void swap_key_to_BE(struct wl_wsec_key *key); /* * bcm_cfg80211 memory init/deinit utilities */ static s32 wl_init_priv_mem(struct bcm_cfg80211 *cfg); static void wl_deinit_priv_mem(struct bcm_cfg80211 *cfg); static void wl_delay(u32 ms); /* * ibss mode utilities */ static bool wl_is_ibssmode(struct bcm_cfg80211 *cfg, struct net_device *ndev); static __used bool wl_is_ibssstarter(struct bcm_cfg80211 *cfg); /* * link up/down , default configuration utilities */ static s32 __wl_cfg80211_up(struct bcm_cfg80211 *cfg); static s32 __wl_cfg80211_down(struct bcm_cfg80211 *cfg); static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e); static bool wl_is_linkup(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e, struct net_device *ndev); static bool wl_is_nonetwork(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e); static void wl_link_up(struct bcm_cfg80211 *cfg); static void wl_link_down(struct bcm_cfg80211 *cfg); static s32 wl_config_infra(struct bcm_cfg80211 *cfg, struct net_device *ndev, u16 iftype); static void wl_init_conf(struct wl_conf *conf); int wl_cfg80211_get_ioctl_version(void); /* * find most significant bit set */ static __used u32 wl_find_msb(u16 bit16); /* * rfkill support */ static int wl_setup_rfkill(struct bcm_cfg80211 *cfg, bool setup); static int wl_rfkill_set(void *data, bool blocked); #ifdef DEBUGFS_CFG80211 static s32 wl_setup_debugfs(struct bcm_cfg80211 *cfg); static s32 wl_free_debugfs(struct bcm_cfg80211 *cfg); #endif // endif static bool check_dev_role_integrity(struct bcm_cfg80211 *cfg, u32 dev_role); #ifdef WL_CFG80211_ACL /* ACL */ static int wl_cfg80211_set_mac_acl(struct wiphy *wiphy, struct net_device *cfgdev, const struct cfg80211_acl_data *acl); #endif /* WL_CFG80211_ACL */ /* * Some external functions, TODO: move them to dhd_linux.h */ int dhd_add_monitor(const char *name, struct net_device **new_ndev); int dhd_del_monitor(struct net_device *ndev); int dhd_monitor_init(void *dhd_pub); int dhd_monitor_uninit(void); int dhd_start_xmit(struct sk_buff *skb, struct net_device *net); #ifdef ESCAN_CHANNEL_CACHE void reset_roam_cache(struct bcm_cfg80211 *cfg); void add_roam_cache(struct bcm_cfg80211 *cfg, wl_bss_info_t *bi); int get_roam_channel_list(int target_chan, chanspec_t *channels, int n_channels, const wlc_ssid_t *ssid, int ioctl_ver); void set_roam_band(int band); #endif /* ESCAN_CHANNEL_CACHE */ #ifdef ROAM_CHANNEL_CACHE int init_roam_cache(struct bcm_cfg80211 *cfg, int ioctl_ver); void print_roam_cache(struct bcm_cfg80211 *cfg); void update_roam_cache(struct bcm_cfg80211 *cfg, int ioctl_ver); #endif /* ROAM_CHANNEL_CACHE */ #ifdef P2P_LISTEN_OFFLOADING s32 wl_cfg80211_p2plo_deinit(struct bcm_cfg80211 *cfg); #endif /* P2P_LISTEN_OFFLOADING */ #ifdef PKT_FILTER_SUPPORT extern uint dhd_pkt_filter_enable; extern uint dhd_master_mode; extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode); #endif /* PKT_FILTER_SUPPORT */ #ifdef SUPPORT_SET_CAC static void wl_cfg80211_set_cac(struct bcm_cfg80211 *cfg, int enable); #endif /* SUPPORT_SET_CAC */ static int wl_cfg80211_delayed_roam(struct bcm_cfg80211 *cfg, struct net_device *ndev, const struct ether_addr *bssid); static s32 __wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify); #ifdef WL_WPS_SYNC static void wl_init_wps_reauth_sm(struct bcm_cfg80211 *cfg); static void wl_deinit_wps_reauth_sm(struct bcm_cfg80211 *cfg); static void wl_wps_reauth_timeout(unsigned long data); static s32 wl_get_free_wps_inst(struct bcm_cfg80211 *cfg); static s32 wl_get_wps_inst_match(struct bcm_cfg80211 *cfg, struct net_device *ndev); static s32 wl_wps_session_add(struct net_device *ndev, u16 mode, u8 *peer_mac); static void wl_wps_session_del(struct net_device *ndev); static s32 wl_wps_session_update(struct net_device *ndev, u16 state, const u8 *peer_mac); static void wl_wps_handle_ifdel(struct net_device *ndev); #endif /* WL_WPS_SYNC */ #if defined(WL_FW_OCE_AP_SELECT) bool static wl_cfg80211_is_oce_ap(struct wiphy *wiphy, const u8 *bssid_hint); #endif /* WL_FW_OCE_AP_SELECT */ #ifdef WL_BCNRECV static s32 wl_bcnrecv_aborted_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* WL_BCNRECV */ #ifdef WL_CAC_TS static s32 wl_cfg80211_cac_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* WL_CAC_TS */ #if defined(WL_MBO) || defined(WL_OCE) static s32 wl_bssid_prune_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #endif /* WL_MBO || WL_OCE */ static int bw2cap[] = { 0, 0, WLC_BW_CAP_20MHZ, WLC_BW_CAP_40MHZ, WLC_BW_CAP_80MHZ, WLC_BW_CAP_160MHZ, WLC_BW_CAP_160MHZ }; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) || (defined(CONFIG_ARCH_MSM) && \ defined(CFG80211_DISCONNECTED_V2)) #define CFG80211_GET_BSS(wiphy, channel, bssid, ssid, ssid_len) \ cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, \ IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY); #else #define CFG80211_GET_BSS(wiphy, channel, bssid, ssid, ssid_len) \ cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, \ WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0)) #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)) || \ defined(CFG80211_CONNECT_TIMEOUT_REASON_CODE) || defined(WL_FILS) || \ defined(CONFIG_CFG80211_FILS_BKPORT) #define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \ resp_ie_len, status, gfp) \ cfg80211_connect_bss(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \ resp_ie_len, status, gfp, NL80211_TIMEOUT_UNSPECIFIED); #else #define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \ resp_ie_len, status, gfp) \ cfg80211_connect_bss(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \ resp_ie_len, status, gfp); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0) || \ * (CFG80211_CONNECT_TIMEOUT_REASON_CODE) || * WL_FILS || CONFIG_CFG80211_FILS_BKPORT */ #elif defined(CFG80211_CONNECT_TIMEOUT_REASON_CODE) /* There are customer kernels with backported changes for * connect timeout. CFG80211_CONNECT_TIMEOUT_REASON_CODE define * is available for kernels < 4.7 in such cases. */ #define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \ resp_ie_len, status, gfp) \ cfg80211_connect_bss(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \ resp_ie_len, status, gfp, NL80211_TIMEOUT_UNSPECIFIED); #else /* Kernels < 4.7 doesn't support cfg80211_connect_bss */ #define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \ resp_ie_len, status, gfp) \ cfg80211_connect_result(dev, bssid, req_ie, req_ie_len, resp_ie, \ resp_ie_len, status, gfp); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) */ #define IS_WPA_AKM(akm) ((akm) == RSN_AKM_NONE || \ (akm) == RSN_AKM_UNSPECIFIED || \ (akm) == RSN_AKM_PSK) extern int dhd_wait_pend8021x(struct net_device *dev); #ifdef PROP_TXSTATUS_VSDB extern int disable_proptx; #endif /* PROP_TXSTATUS_VSDB */ static s32 wl_ap_start_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); static s32 wl_csa_complete_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #ifdef SUPPORT_AP_BWCTRL static void wl_update_apchan_bwcap(struct bcm_cfg80211 *cfg, struct net_device *ndev, chanspec_t chanspec); static void wl_restore_ap_bw(struct bcm_cfg80211 *cfg); #endif /* SUPPORT_AP_BWCTRL */ #if ((LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0)) && (LINUX_VERSION_CODE <= (3, 7, \ 0))) struct chan_info { int freq; int chan_type; }; #endif // endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) #define CFG80211_PUT_BSS(wiphy, bss) cfg80211_put_bss(wiphy, bss); #else #define CFG80211_PUT_BSS(wiphy, bss) cfg80211_put_bss(bss); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */ #define CHAN2G(_channel, _freq, _flags) { \ .band = IEEE80211_BAND_2GHZ, \ .center_freq = (_freq), \ .hw_value = (_channel), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 30, \ } #define CHAN5G(_channel, _flags) { \ .band = IEEE80211_BAND_5GHZ, \ .center_freq = 5000 + (5 * (_channel)), \ .hw_value = (_channel), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 30, \ } #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) #define RATETAB_ENT(_rateid, _flags) \ { \ .bitrate = RATE_TO_BASE100KBPS(_rateid), \ .hw_value = (_rateid), \ .flags = (_flags), \ } static struct ieee80211_rate __wl_rates[] = { RATETAB_ENT(DOT11_RATE_1M, 0), RATETAB_ENT(DOT11_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), RATETAB_ENT(DOT11_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), RATETAB_ENT(DOT11_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), RATETAB_ENT(DOT11_RATE_6M, 0), RATETAB_ENT(DOT11_RATE_9M, 0), RATETAB_ENT(DOT11_RATE_12M, 0), RATETAB_ENT(DOT11_RATE_18M, 0), RATETAB_ENT(DOT11_RATE_24M, 0), RATETAB_ENT(DOT11_RATE_36M, 0), RATETAB_ENT(DOT11_RATE_48M, 0), RATETAB_ENT(DOT11_RATE_54M, 0) }; #define wl_a_rates (__wl_rates + 4) #define wl_a_rates_size 8 #define wl_g_rates (__wl_rates + 0) #define wl_g_rates_size 12 static struct ieee80211_channel __wl_2ghz_channels[] = { CHAN2G(1, 2412, 0), CHAN2G(2, 2417, 0), CHAN2G(3, 2422, 0), CHAN2G(4, 2427, 0), CHAN2G(5, 2432, 0), CHAN2G(6, 2437, 0), CHAN2G(7, 2442, 0), CHAN2G(8, 2447, 0), CHAN2G(9, 2452, 0), CHAN2G(10, 2457, 0), CHAN2G(11, 2462, 0), CHAN2G(12, 2467, 0), CHAN2G(13, 2472, 0), CHAN2G(14, 2484, 0) }; static struct ieee80211_channel __wl_5ghz_a_channels[] = { CHAN5G(34, 0), CHAN5G(36, 0), CHAN5G(38, 0), CHAN5G(40, 0), CHAN5G(42, 0), CHAN5G(44, 0), CHAN5G(46, 0), CHAN5G(48, 0), CHAN5G(52, 0), CHAN5G(56, 0), CHAN5G(60, 0), CHAN5G(64, 0), CHAN5G(100, 0), CHAN5G(104, 0), CHAN5G(108, 0), CHAN5G(112, 0), CHAN5G(116, 0), CHAN5G(120, 0), CHAN5G(124, 0), CHAN5G(128, 0), CHAN5G(132, 0), CHAN5G(136, 0), CHAN5G(140, 0), CHAN5G(144, 0), CHAN5G(149, 0), CHAN5G(153, 0), CHAN5G(157, 0), CHAN5G(161, 0), CHAN5G(165, 0) }; static struct ieee80211_supported_band __wl_band_2ghz = { .band = IEEE80211_BAND_2GHZ, .channels = __wl_2ghz_channels, .n_channels = ARRAY_SIZE(__wl_2ghz_channels), .bitrates = wl_g_rates, .n_bitrates = wl_g_rates_size }; static struct ieee80211_supported_band __wl_band_5ghz_a = { .band = IEEE80211_BAND_5GHZ, .channels = __wl_5ghz_a_channels, .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels), .bitrates = wl_a_rates, .n_bitrates = wl_a_rates_size }; static const u32 __wl_cipher_suites[] = { WLAN_CIPHER_SUITE_WEP40, WLAN_CIPHER_SUITE_WEP104, WLAN_CIPHER_SUITE_TKIP, WLAN_CIPHER_SUITE_CCMP, #ifdef MFP /* * Advertising AES_CMAC cipher suite to userspace would imply that we * are supporting MFP. So advertise only when MFP support is enabled. */ WLAN_CIPHER_SUITE_AES_CMAC, #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) WLAN_CIPHER_SUITE_BIP_GMAC_256, WLAN_CIPHER_SUITE_BIP_GMAC_128, WLAN_CIPHER_SUITE_BIP_CMAC_256, #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0) */ #endif /* MFP */ #ifdef BCMWAPI_WPI WLAN_CIPHER_SUITE_SMS4, #endif // endif #if defined(WLAN_CIPHER_SUITE_PMK) WLAN_CIPHER_SUITE_PMK, #endif /* WLAN_CIPHER_SUITE_PMK */ #ifdef WL_GCMP WLAN_CIPHER_SUITE_GCMP, WLAN_CIPHER_SUITE_GCMP_256, WLAN_CIPHER_SUITE_BIP_GMAC_128, WLAN_CIPHER_SUITE_BIP_GMAC_256, #endif /* WL_GCMP */ }; #ifdef WL_SUPPORT_ACS /* * The firmware code required for this feature to work is currently under * BCMINTERNAL flag. In future if this is to enabled we need to bring the * required firmware code out of the BCMINTERNAL flag. */ struct wl_dump_survey { u32 obss; u32 ibss; u32 no_ctg; u32 no_pckt; u32 tx; u32 idle; }; #endif /* WL_SUPPORT_ACS */ #ifdef WL_CFG80211_GON_COLLISION #define BLOCK_GON_REQ_MAX_NUM 5 #endif /* WL_CFG80211_GON_COLLISION */ #if defined(USE_DYNAMIC_MAXPKT_RXGLOM) static int maxrxpktglom = 0; #endif // endif /* IOCtl version read from targeted driver */ int ioctl_version; #ifdef DEBUGFS_CFG80211 #define SUBLOGLEVEL 20 #define SUBLOGLEVELZ ((SUBLOGLEVEL) + (1)) static const struct { u32 log_level; char *sublogname; } sublogname_map[] = { {WL_DBG_ERR, "ERR"}, {WL_DBG_INFO, "INFO"}, {WL_DBG_DBG, "DBG"}, {WL_DBG_SCAN, "SCAN"}, {WL_DBG_TRACE, "TRACE"}, {WL_DBG_P2P_ACTION, "P2PACTION"} }; #endif // endif typedef struct rsn_cipher_algo_entry { u32 cipher_suite; u32 wsec_algo; u32 wsec_key_algo; } rsn_cipher_algo_entry_t; static const rsn_cipher_algo_entry_t rsn_cipher_algo_lookup_tbl[] = { {WLAN_CIPHER_SUITE_WEP40, WEP_ENABLED, CRYPTO_ALGO_WEP1}, {WLAN_CIPHER_SUITE_WEP104, WEP_ENABLED, CRYPTO_ALGO_WEP128}, {WLAN_CIPHER_SUITE_TKIP, TKIP_ENABLED, CRYPTO_ALGO_TKIP}, {WLAN_CIPHER_SUITE_CCMP, AES_ENABLED, CRYPTO_ALGO_AES_CCM}, {WLAN_CIPHER_SUITE_AES_CMAC, AES_ENABLED, CRYPTO_ALGO_BIP}, #ifdef BCMWAPI_WPI {WLAN_CIPHER_SUITE_SMS4, SMS4_ENABLED, CRYPTO_ALGO_SMS4}, #endif /* BCMWAPI_WPI */ #ifdef WL_GCMP {WLAN_CIPHER_SUITE_GCMP, AES_ENABLED, CRYPTO_ALGO_AES_GCM}, {WLAN_CIPHER_SUITE_GCMP_256, AES_ENABLED, CRYPTO_ALGO_AES_GCM256}, {WLAN_CIPHER_SUITE_BIP_GMAC_128, AES_ENABLED, CRYPTO_ALGO_BIP_GMAC}, {WLAN_CIPHER_SUITE_BIP_GMAC_256, AES_ENABLED, CRYPTO_ALGO_BIP_GMAC256}, #endif /* WL_GCMP */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) {WLAN_CIPHER_SUITE_BIP_CMAC_256, AES_ENABLED, CRYPTO_ALGO_BIP_CMAC256}, #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0) */ }; typedef struct rsn_akm_wpa_auth_entry { u32 akm_suite; u32 wpa_auth; } rsn_akm_wpa_auth_entry_t; static const rsn_akm_wpa_auth_entry_t rsn_akm_wpa_auth_lookup_tbl[] = { #ifdef WL_OWE {WLAN_AKM_SUITE_OWE, WPA3_AUTH_OWE}, #endif /* WL_OWE */ {WLAN_AKM_SUITE_8021X, WPA2_AUTH_UNSPECIFIED}, {WL_AKM_SUITE_SHA256_1X, WPA2_AUTH_1X_SHA256}, {WL_AKM_SUITE_SHA256_PSK, WPA2_AUTH_PSK_SHA256}, {WLAN_AKM_SUITE_PSK, WPA2_AUTH_PSK}, {WLAN_AKM_SUITE_FT_8021X, WPA2_AUTH_UNSPECIFIED | WPA2_AUTH_FT}, {WLAN_AKM_SUITE_FT_PSK, WPA2_AUTH_PSK | WPA2_AUTH_FT}, {WLAN_AKM_SUITE_FILS_SHA256, WPA2_AUTH_FILS_SHA256}, {WLAN_AKM_SUITE_FILS_SHA384, WPA2_AUTH_FILS_SHA384}, {WLAN_AKM_SUITE_8021X_SUITE_B, WPA3_AUTH_1X_SUITE_B_SHA256}, {WLAN_AKM_SUITE_8021X_SUITE_B_192, WPA3_AUTH_1X_SUITE_B_SHA384}, #ifdef BCMWAPI_WPI {WLAN_AKM_SUITE_WAPI_CERT, WAPI_AUTH_UNSPECIFIED}, {WLAN_AKM_SUITE_WAPI_PSK, WAPI_AUTH_PSK}, #endif /* BCMWAPI_WPI */ #if defined(WL_SAE) || defined(WL_CLIENT_SAE) {WLAN_AKM_SUITE_SAE, WPA3_AUTH_SAE_PSK}, #endif /* WL_SAE || WL_CLIENT_SAE */ {WLAN_AKM_SUITE_FT_8021X_SHA384, WPA3_AUTH_1X_SUITE_B_SHA384 | WPA2_AUTH_FT} }; #define BUFSZ 8 #define BUFSZN BUFSZ + 1 #define _S(x) #x #define S(x) _S(x) #define SOFT_AP_IF_NAME "swlan0" /* watchdog timer for disconnecting when fw is not associated for FW_ASSOC_WATCHDOG_TIME ms */ uint32 fw_assoc_watchdog_ms = 0; bool fw_assoc_watchdog_started = 0; #define FW_ASSOC_WATCHDOG_TIME 10 * 1000 /* msec */ static void wl_add_remove_pm_enable_work(struct bcm_cfg80211 *cfg, enum wl_pm_workq_act_type type) { u16 wq_duration = 0; dhd_pub_t *dhd = NULL; if (cfg == NULL) return; dhd = (dhd_pub_t *)(cfg->pub); mutex_lock(&cfg->pm_sync); /* * Make cancel and schedule work part mutually exclusive * so that while cancelling, we are sure that there is no * work getting scheduled. */ if (delayed_work_pending(&cfg->pm_enable_work)) { cancel_delayed_work(&cfg->pm_enable_work); DHD_PM_WAKE_UNLOCK(cfg->pub); } if (type == WL_PM_WORKQ_SHORT) { wq_duration = WL_PM_ENABLE_TIMEOUT; } else if (type == WL_PM_WORKQ_LONG) { wq_duration = (WL_PM_ENABLE_TIMEOUT*2); } /* It should schedule work item only if driver is up */ if (wq_duration && dhd->up) { if (schedule_delayed_work(&cfg->pm_enable_work, msecs_to_jiffies((const unsigned int)wq_duration))) { DHD_PM_WAKE_LOCK_TIMEOUT(cfg->pub, wq_duration); } else { WL_ERR(("Can't schedule pm work handler\n")); } } mutex_unlock(&cfg->pm_sync); } /* Return a new chanspec given a legacy chanspec * Returns INVCHANSPEC on error */ chanspec_t wl_chspec_from_legacy(chanspec_t legacy_chspec) { chanspec_t chspec; /* get the channel number */ chspec = LCHSPEC_CHANNEL(legacy_chspec); /* convert the band */ if (LCHSPEC_IS2G(legacy_chspec)) { chspec |= WL_CHANSPEC_BAND_2G; } else { chspec |= WL_CHANSPEC_BAND_5G; } /* convert the bw and sideband */ if (LCHSPEC_IS20(legacy_chspec)) { chspec |= WL_CHANSPEC_BW_20; } else { chspec |= WL_CHANSPEC_BW_40; if (LCHSPEC_CTL_SB(legacy_chspec) == WL_LCHANSPEC_CTL_SB_LOWER) { chspec |= WL_CHANSPEC_CTL_SB_L; } else { chspec |= WL_CHANSPEC_CTL_SB_U; } } if (wf_chspec_malformed(chspec)) { WL_ERR(("wl_chspec_from_legacy: output chanspec (0x%04X) malformed\n", chspec)); return INVCHANSPEC; } return chspec; } /* Return a legacy chanspec given a new chanspec * Returns INVCHANSPEC on error */ static chanspec_t wl_chspec_to_legacy(chanspec_t chspec) { chanspec_t lchspec; if (wf_chspec_malformed(chspec)) { WL_ERR(("wl_chspec_to_legacy: input chanspec (0x%04X) malformed\n", chspec)); return INVCHANSPEC; } /* get the channel number */ lchspec = CHSPEC_CHANNEL(chspec); /* convert the band */ if (CHSPEC_IS2G(chspec)) { lchspec |= WL_LCHANSPEC_BAND_2G; } else { lchspec |= WL_LCHANSPEC_BAND_5G; } /* convert the bw and sideband */ if (CHSPEC_IS20(chspec)) { lchspec |= WL_LCHANSPEC_BW_20; lchspec |= WL_LCHANSPEC_CTL_SB_NONE; } else if (CHSPEC_IS40(chspec)) { lchspec |= WL_LCHANSPEC_BW_40; if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_L) { lchspec |= WL_LCHANSPEC_CTL_SB_LOWER; } else { lchspec |= WL_LCHANSPEC_CTL_SB_UPPER; } } else { /* cannot express the bandwidth */ char chanbuf[CHANSPEC_STR_LEN]; WL_ERR(( "wl_chspec_to_legacy: unable to convert chanspec %s (0x%04X) " "to pre-11ac format\n", wf_chspec_ntoa(chspec, chanbuf), chspec)); return INVCHANSPEC; } return lchspec; } bool wl_cfg80211_is_hal_started(struct bcm_cfg80211 *cfg) { return cfg->hal_started; } /* given a chanspec value, do the endian and chanspec version conversion to * a chanspec_t value * Returns INVCHANSPEC on error */ chanspec_t wl_chspec_host_to_driver(chanspec_t chanspec) { if (ioctl_version == 1) { chanspec = wl_chspec_to_legacy(chanspec); if (chanspec == INVCHANSPEC) { return chanspec; } } chanspec = htodchanspec(chanspec); return chanspec; } /* given a channel value, do the endian and chanspec version conversion to * a chanspec_t value * Returns INVCHANSPEC on error */ chanspec_t wl_ch_host_to_driver(u16 channel) { chanspec_t chanspec; chanspec_band_t band; band = WL_CHANNEL_BAND(channel); chanspec = wf_create_20MHz_chspec(channel, band); if (chanspec == INVCHANSPEC) { return chanspec; } return wl_chspec_host_to_driver(chanspec); } /* given a chanspec value from the driver, do the endian and chanspec version conversion to * a chanspec_t value * Returns INVCHANSPEC on error */ chanspec_t wl_chspec_driver_to_host(chanspec_t chanspec) { chanspec = dtohchanspec(chanspec); if (ioctl_version == 1) { chanspec = wl_chspec_from_legacy(chanspec); } return chanspec; } /* * convert ASCII string to MAC address (colon-delimited format) * eg: 00:11:22:33:44:55 */ int wl_cfg80211_ether_atoe(const char *a, struct ether_addr *n) { char *c = NULL; int count = 0; bzero(n, ETHER_ADDR_LEN); for (;;) { n->octet[count++] = (uint8)simple_strtoul(a, &c, 16); if (!*c++ || count == ETHER_ADDR_LEN) break; a = c; } return (count == ETHER_ADDR_LEN); } /* There isn't a lot of sense in it, but you can transmit anything you like */ static const struct ieee80211_txrx_stypes wl_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { #ifdef WLMESH_CFG80211 [NL80211_IFTYPE_MESH_POINT] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4) }, #endif /* WLMESH_CFG80211 */ [NL80211_IFTYPE_ADHOC] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ACTION >> 4) }, [NL80211_IFTYPE_STATION] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) #ifdef WL_CLIENT_SAE | BIT(IEEE80211_STYPE_AUTH >> 4) #endif /* WL_CLIENT_SAE */ }, [NL80211_IFTYPE_AP] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_DISASSOC >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4) | BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4) }, [NL80211_IFTYPE_AP_VLAN] = { /* copy AP */ .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_DISASSOC >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4) | BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4) }, [NL80211_IFTYPE_P2P_CLIENT] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, [NL80211_IFTYPE_P2P_GO] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_DISASSOC >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4) | BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4) }, #if defined(WL_CFG80211_P2P_DEV_IF) [NL80211_IFTYPE_P2P_DEVICE] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, #endif /* WL_CFG80211_P2P_DEV_IF */ }; static void swap_key_from_BE(struct wl_wsec_key *key) { key->index = htod32(key->index); key->len = htod32(key->len); key->algo = htod32(key->algo); key->flags = htod32(key->flags); key->rxiv.hi = htod32(key->rxiv.hi); key->rxiv.lo = htod16(key->rxiv.lo); key->iv_initialized = htod32(key->iv_initialized); } static void swap_key_to_BE(struct wl_wsec_key *key) { key->index = dtoh32(key->index); key->len = dtoh32(key->len); key->algo = dtoh32(key->algo); key->flags = dtoh32(key->flags); key->rxiv.hi = dtoh32(key->rxiv.hi); key->rxiv.lo = dtoh16(key->rxiv.lo); key->iv_initialized = dtoh32(key->iv_initialized); } #if defined(WL_FW_OCE_AP_SELECT) bool static wl_cfg80211_is_oce_ap(struct wiphy *wiphy, const u8 *bssid_hint) { const u8 *parse = NULL; bcm_tlv_t *ie; const struct cfg80211_bss_ies *ies; u32 len; struct cfg80211_bss *bss; bss = CFG80211_GET_BSS(wiphy, NULL, bssid_hint, 0, 0); if (!bss) { WL_ERR(("Unable to find AP in the cache")); return false; } if (rcu_access_pointer(bss->ies)) { ies = rcu_access_pointer(bss->ies); parse = ies->data; len = ies->len; } else { WL_ERR(("ies is NULL")); return false; } while ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_VS_ID))) { if (wl_cfgoce_is_oce_ie((const uint8*)ie, (u8 const **)&parse, &len) == TRUE) { return true; } else { ie = bcm_next_tlv((const bcm_tlv_t*) ie, &len); if (!ie) { return false; } parse = (uint8 *)ie; WL_DBG(("NON OCE IE. next ie ptr:%p", parse)); } } WL_DBG(("OCE IE NOT found")); return false; } #endif /* WL_FW_OCE_AP_SELECT */ /* Dump the contents of the encoded wps ie buffer and get pbc value */ static void wl_validate_wps_ie(const char *wps_ie, s32 wps_ie_len, bool *pbc) { #define WPS_IE_FIXED_LEN 6 s16 len; const u8 *subel = NULL; u16 subelt_id; u16 subelt_len; u16 val; u8 *valptr = (uint8*) &val; if (wps_ie == NULL || wps_ie_len < WPS_IE_FIXED_LEN) { WL_ERR(("invalid argument : NULL\n")); return; } len = (s16)wps_ie[TLV_LEN_OFF]; if (len > wps_ie_len) { WL_ERR(("invalid length len %d, wps ie len %d\n", len, wps_ie_len)); return; } WL_DBG(("wps_ie len=%d\n", len)); len -= 4; /* for the WPS IE's OUI, oui_type fields */ subel = wps_ie + WPS_IE_FIXED_LEN; while (len >= 4) { /* must have attr id, attr len fields */ valptr[0] = *subel++; valptr[1] = *subel++; subelt_id = HTON16(val); valptr[0] = *subel++; valptr[1] = *subel++; subelt_len = HTON16(val); len -= 4; /* for the attr id, attr len fields */ len -= (s16)subelt_len; /* for the remaining fields in this attribute */ if (len < 0) { break; } WL_DBG((" subel=%p, subelt_id=0x%x subelt_len=%u\n", subel, subelt_id, subelt_len)); if (subelt_id == WPS_ID_VERSION) { WL_DBG((" attr WPS_ID_VERSION: %u\n", *subel)); } else if (subelt_id == WPS_ID_REQ_TYPE) { WL_DBG((" attr WPS_ID_REQ_TYPE: %u\n", *subel)); } else if (subelt_id == WPS_ID_CONFIG_METHODS) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_CONFIG_METHODS: %x\n", HTON16(val))); } else if (subelt_id == WPS_ID_DEVICE_NAME) { char devname[33]; int namelen = MIN(subelt_len, (sizeof(devname) - 1)); if (namelen) { memcpy(devname, subel, namelen); devname[namelen] = '\0'; /* Printing len as rx'ed in the IE */ WL_DBG((" attr WPS_ID_DEVICE_NAME: %s (len %u)\n", devname, subelt_len)); } } else if (subelt_id == WPS_ID_DEVICE_PWD_ID) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_DEVICE_PWD_ID: %u\n", HTON16(val))); *pbc = (HTON16(val) == DEV_PW_PUSHBUTTON) ? true : false; } else if (subelt_id == WPS_ID_PRIM_DEV_TYPE) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_PRIM_DEV_TYPE: cat=%u \n", HTON16(val))); valptr[0] = *(subel + 6); valptr[1] = *(subel + 7); WL_DBG((" attr WPS_ID_PRIM_DEV_TYPE: subcat=%u\n", HTON16(val))); } else if (subelt_id == WPS_ID_REQ_DEV_TYPE) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_REQ_DEV_TYPE: cat=%u\n", HTON16(val))); valptr[0] = *(subel + 6); valptr[1] = *(subel + 7); WL_DBG((" attr WPS_ID_REQ_DEV_TYPE: subcat=%u\n", HTON16(val))); } else if (subelt_id == WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS" ": cat=%u\n", HTON16(val))); } else { WL_DBG((" unknown attr 0x%x\n", subelt_id)); } subel += subelt_len; } } s32 wl_set_tx_power(struct net_device *dev, enum nl80211_tx_power_setting type, s32 dbm) { s32 err = 0; s32 disable = 0; s32 txpwrqdbm; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); /* Make sure radio is off or on as far as software is concerned */ disable = WL_RADIO_SW_DISABLE << 16; disable = htod32(disable); err = wldev_ioctl_set(dev, WLC_SET_RADIO, &disable, sizeof(disable)); if (unlikely(err)) { WL_ERR(("WLC_SET_RADIO error (%d)\n", err)); return err; } if (dbm > 0xffff) dbm = 0xffff; txpwrqdbm = dbm * 4; #ifdef SUPPORT_WL_TXPOWER if (type == NL80211_TX_POWER_AUTOMATIC) txpwrqdbm = 127; else txpwrqdbm |= WL_TXPWR_OVERRIDE; #endif /* SUPPORT_WL_TXPOWER */ err = wldev_iovar_setbuf_bsscfg(dev, "qtxpower", (void *)&txpwrqdbm, sizeof(txpwrqdbm), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0, &cfg->ioctl_buf_sync); if (unlikely(err)) WL_ERR(("qtxpower error (%d)\n", err)); else WL_ERR(("dBm=%d, txpwrqdbm=0x%x\n", dbm, txpwrqdbm)); return err; } s32 wl_get_tx_power(struct net_device *dev, s32 *dbm) { s32 err = 0; s32 txpwrdbm; char ioctl_buf[WLC_IOCTL_SMLEN]; err = wldev_iovar_getbuf_bsscfg(dev, "qtxpower", NULL, 0, ioctl_buf, WLC_IOCTL_SMLEN, 0, NULL); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } memcpy(&txpwrdbm, ioctl_buf, sizeof(txpwrdbm)); txpwrdbm = dtoh32(txpwrdbm); *dbm = (txpwrdbm & ~WL_TXPWR_OVERRIDE) / 4; WL_DBG(("dBm=%d, txpwrdbm=0x%x\n", *dbm, txpwrdbm)); return err; } static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy) { chanspec_t chspec; int cur_band, err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *dev = bcmcfg_to_prmry_ndev(cfg); struct ether_addr bssid; wl_bss_info_t *bss = NULL; u16 channel = WL_P2P_TEMP_CHAN; char *buf; bzero(&bssid, sizeof(bssid)); if ((err = wldev_ioctl_get(dev, WLC_GET_BSSID, &bssid, sizeof(bssid)))) { /* STA interface is not associated. So start the new interface on a temp * channel . Later proper channel will be applied by the above framework * via set_channel (cfg80211 API). */ WL_DBG(("Not associated. Return a temp channel. \n")); cur_band = 0; err = wldev_ioctl_get(dev, WLC_GET_BAND, &cur_band, sizeof(int)); if (unlikely(err)) { WL_ERR(("Get band failed\n")); } else if (cur_band == WLC_BAND_5G) { channel = WL_P2P_TEMP_CHAN_5G; } return wl_ch_host_to_driver(channel); } buf = (char *)MALLOCZ(cfg->osh, WL_EXTRA_BUF_MAX); if (!buf) { WL_ERR(("buf alloc failed. use temp channel\n")); return wl_ch_host_to_driver(channel); } *(u32 *)buf = htod32(WL_EXTRA_BUF_MAX); if ((err = wldev_ioctl_get(dev, WLC_GET_BSS_INFO, buf, WL_EXTRA_BUF_MAX))) { WL_ERR(("Failed to get associated bss info, use temp channel \n")); chspec = wl_ch_host_to_driver(channel); } else { bss = (wl_bss_info_t *) (buf + 4); chspec = bss->chanspec; WL_DBG(("Valid BSS Found. chanspec:%d \n", chspec)); } MFREE(cfg->osh, buf, WL_EXTRA_BUF_MAX); return chspec; } static void wl_wlfc_enable(struct bcm_cfg80211 *cfg, bool enable) { #ifdef PROP_TXSTATUS_VSDB #if defined(BCMSDIO) || defined(BCMDBUS) bool wlfc_enabled = FALSE; s32 err; dhd_pub_t *dhd; struct net_device *primary_ndev = bcmcfg_to_prmry_ndev(cfg); dhd = (dhd_pub_t *)(cfg->pub); if (!dhd) { return; } if (enable) { if (!cfg->wlfc_on && !disable_proptx) { dhd_wlfc_get_enable(dhd, &wlfc_enabled); if (!wlfc_enabled && dhd->op_mode != DHD_FLAG_HOSTAP_MODE && dhd->op_mode != DHD_FLAG_IBSS_MODE) { dhd_wlfc_init(dhd); err = wldev_ioctl_set(primary_ndev, WLC_UP, &up, sizeof(s32)); if (err < 0) WL_ERR(("WLC_UP return err:%d\n", err)); } cfg->wlfc_on = true; WL_DBG(("wlfc_on:%d \n", cfg->wlfc_on)); } } else if (dhd->conf->disable_proptx != 0){ dhd_wlfc_deinit(dhd); cfg->wlfc_on = false; } #endif /* BCMSDIO || BCMDBUS */ #endif /* PROP_TXSTATUS_VSDB */ } struct wireless_dev * wl_cfg80211_p2p_if_add(struct bcm_cfg80211 *cfg, wl_iftype_t wl_iftype, char const *name, u8 *mac_addr, s32 *ret_err) { u16 chspec; s16 cfg_type; long timeout; s32 err; u16 p2p_iftype; int dhd_mode; struct net_device *new_ndev = NULL; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct ether_addr *p2p_addr; *ret_err = BCME_OK; if (!cfg->p2p) { WL_ERR(("p2p not initialized\n")); return NULL; } #if defined(WL_CFG80211_P2P_DEV_IF) if (wl_iftype == WL_IF_TYPE_P2P_DISC) { /* Handle Dedicated P2P discovery Interface */ return wl_cfgp2p_add_p2p_disc_if(cfg); } #endif /* WL_CFG80211_P2P_DEV_IF */ if (wl_iftype == WL_IF_TYPE_P2P_GO) { p2p_iftype = WL_P2P_IF_GO; } else { p2p_iftype = WL_P2P_IF_CLIENT; } /* Dual p2p doesn't support multiple P2PGO interfaces, * p2p_go_count is the counter for GO creation * requests. */ if ((cfg->p2p->p2p_go_count > 0) && (wl_iftype == WL_IF_TYPE_P2P_GO)) { WL_ERR(("FW does not support multiple GO\n")); *ret_err = -ENOTSUPP; return NULL; } if (!cfg->p2p->on) { p2p_on(cfg) = true; wl_cfgp2p_set_firm_p2p(cfg); wl_cfgp2p_init_discovery(cfg); } strlcpy(cfg->p2p->vir_ifname, name, sizeof(cfg->p2p->vir_ifname)); /* In concurrency case, STA may be already associated in a particular channel. * so retrieve the current channel of primary interface and then start the virtual * interface on that. */ chspec = wl_cfg80211_get_shared_freq(wiphy); /* For P2P mode, use P2P-specific driver features to create the * bss: "cfg p2p_ifadd" */ wl_set_p2p_status(cfg, IF_ADDING); bzero(&cfg->if_event_info, sizeof(cfg->if_event_info)); cfg_type = wl_cfgp2p_get_conn_idx(cfg); if (cfg_type == BCME_ERROR) { wl_clr_p2p_status(cfg, IF_ADDING); WL_ERR(("Failed to get connection idx for p2p interface\n")); return NULL; } p2p_addr = wl_to_p2p_bss_macaddr(cfg, cfg_type); memcpy(p2p_addr->octet, mac_addr, ETH_ALEN); err = wl_cfgp2p_ifadd(cfg, p2p_addr, htod32(p2p_iftype), chspec); if (unlikely(err)) { wl_clr_p2p_status(cfg, IF_ADDING); WL_ERR((" virtual iface add failed (%d) \n", err)); return NULL; } /* Wait for WLC_E_IF event with IF_ADD opcode */ timeout = wait_event_interruptible_timeout(cfg->netif_change_event, ((wl_get_p2p_status(cfg, IF_ADDING) == false) && (cfg->if_event_info.valid)), msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout > 0 && !wl_get_p2p_status(cfg, IF_ADDING) && cfg->if_event_info.valid) { wl_if_event_info *event = &cfg->if_event_info; new_ndev = wl_cfg80211_post_ifcreate(bcmcfg_to_prmry_ndev(cfg), event, event->mac, cfg->p2p->vir_ifname, false); if (unlikely(!new_ndev)) { goto fail; } if (wl_iftype == WL_IF_TYPE_P2P_GO) { cfg->p2p->p2p_go_count++; } /* Fill p2p specific data */ wl_to_p2p_bss_ndev(cfg, cfg_type) = new_ndev; wl_to_p2p_bss_bssidx(cfg, cfg_type) = event->bssidx; WL_ERR((" virtual interface(%s) is " "created net attach done\n", cfg->p2p->vir_ifname)); dhd_mode = (wl_iftype == WL_IF_TYPE_P2P_GC) ? DHD_FLAG_P2P_GC_MODE : DHD_FLAG_P2P_GO_MODE; DNGL_FUNC(dhd_cfg80211_set_p2p_info, (cfg, dhd_mode)); /* reinitialize completion to clear previous count */ #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)) INIT_COMPLETION(cfg->iface_disable); #else init_completion(&cfg->iface_disable); #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0) */ return new_ndev->ieee80211_ptr; } fail: return NULL; } bool wl_cfg80211_check_vif_in_use(struct net_device *ndev) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); bool nan_enabled = FALSE; #ifdef WL_NAN nan_enabled = cfg->nan_enable; #endif /* WL_NAN */ if (nan_enabled || (wl_cfgp2p_vif_created(cfg)) || (dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) { WL_MEM(("%s: Virtual interfaces in use. NAN %d P2P %d softAP %d\n", __FUNCTION__, nan_enabled, wl_cfgp2p_vif_created(cfg), (dhd->op_mode & DHD_FLAG_HOSTAP_MODE))); return TRUE; } return FALSE; } void wl_cfg80211_iface_state_ops(struct wireless_dev *wdev, wl_interface_state_t state, wl_iftype_t wl_iftype, u16 wl_mode) { struct net_device *ndev; struct bcm_cfg80211 *cfg; dhd_pub_t *dhd; s32 bssidx; WL_DBG(("state:%s wl_iftype:%d mode:%d\n", wl_if_state_strs[state], wl_iftype, wl_mode)); if (!wdev) { WL_ERR(("wdev null\n")); return; } if ((wl_iftype == WL_IF_TYPE_P2P_DISC) || (wl_iftype == WL_IF_TYPE_NAN_NMI)) { /* P2P discovery is a netless device and uses a * hidden bsscfg interface in fw. Don't apply the * iface ops state changes for p2p discovery I/F. * NAN NMI is netless device and uses a hidden bsscfg interface in fw. * Don't apply iface ops state changes for NMI I/F. */ return; } cfg = wiphy_priv(wdev->wiphy); ndev = wdev->netdev; dhd = (dhd_pub_t *)(cfg->pub); bssidx = wl_get_bssidx_by_wdev(cfg, wdev); if (!ndev || (bssidx < 0)) { WL_ERR(("ndev null. skip iface state ops\n")); return; } switch (state) { case WL_IF_CREATE_REQ: #ifdef WL_BCNRECV /* check fakeapscan in progress then abort */ wl_android_bcnrecv_stop(ndev, WL_BCNRECV_CONCURRENCY); #endif /* WL_BCNRECV */ wl_cfg80211_scan_abort(cfg); wl_wlfc_enable(cfg, true); #ifdef WLTDLS /* disable TDLS if number of connected interfaces is >= 1 */ wl_cfg80211_tdls_config(cfg, TDLS_STATE_IF_CREATE, false); #endif /* WLTDLS */ break; case WL_IF_DELETE_REQ: #ifdef WL_WPS_SYNC wl_wps_handle_ifdel(ndev); #endif /* WPS_SYNC */ if (wl_get_drv_status(cfg, SCANNING, ndev)) { /* Send completion for any pending scans */ wl_cfg80211_cancel_scan(cfg); } #ifdef CUSTOM_SET_CPUCORE dhd->chan_isvht80 &= ~DHD_FLAG_P2P_MODE; if (!(dhd->chan_isvht80)) { dhd_set_cpucore(dhd, FALSE); } #endif /* CUSTOM_SET_CPUCORE */ wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL); break; case WL_IF_CREATE_DONE: if (wl_mode == WL_MODE_BSS) { /* Common code for sta type interfaces - STA, GC */ wldev_iovar_setint(ndev, "buf_key_b4_m4", 1); } if (wl_iftype == WL_IF_TYPE_P2P_GC) { /* Disable firmware roaming for P2P interface */ wldev_iovar_setint(ndev, "roam_off", 1); wldev_iovar_setint(ndev, "bcn_timeout", dhd->conf->bcn_timeout); } if (wl_mode == WL_MODE_AP) { /* Common code for AP/GO */ } break; case WL_IF_DELETE_DONE: #ifdef WLTDLS /* Enable back TDLS if connected interface is <= 1 */ wl_cfg80211_tdls_config(cfg, TDLS_STATE_IF_DELETE, false); #endif /* WLTDLS */ wl_wlfc_enable(cfg, false); break; case WL_IF_CHANGE_REQ: /* Flush existing IEs from firmware on role change */ wl_cfg80211_clear_per_bss_ies(cfg, wdev); break; case WL_IF_CHANGE_DONE: if (wl_mode == WL_MODE_BSS) { /* Enable buffering of PTK key till EAPOL 4/4 is sent out */ wldev_iovar_setint(ndev, "buf_key_b4_m4", 1); } break; default: WL_ERR(("Unsupported state: %d\n", state)); return; } } static s32 wl_cfg80211_p2p_if_del(struct wiphy *wiphy, struct wireless_dev *wdev) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s16 bssidx; s16 err; s32 cfg_type; struct net_device *ndev; long timeout; if (unlikely(!wl_get_drv_status(cfg, READY, bcmcfg_to_prmry_ndev(cfg)))) { WL_INFORM_MEM(("device is not ready\n")); return BCME_NOTFOUND; } #ifdef WL_CFG80211_P2P_DEV_IF if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { /* Handle dedicated P2P discovery interface. */ return wl_cfgp2p_del_p2p_disc_if(wdev, cfg); } #endif /* WL_CFG80211_P2P_DEV_IF */ /* Handle P2P Group Interface */ bssidx = wl_get_bssidx_by_wdev(cfg, wdev); if (bssidx <= 0) { WL_ERR(("bssidx not found\n")); return BCME_NOTFOUND; } if (wl_cfgp2p_find_type(cfg, bssidx, &cfg_type) != BCME_OK) { /* Couldn't find matching iftype */ WL_MEM(("non P2P interface\n")); return BCME_NOTFOUND; } ndev = wdev->netdev; wl_clr_p2p_status(cfg, GO_NEG_PHASE); wl_clr_p2p_status(cfg, IF_ADDING); /* for GO */ if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) { wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false); cfg->p2p->p2p_go_count--; /* disable interface before bsscfg free */ err = wl_cfgp2p_ifdisable(cfg, wl_to_p2p_bss_macaddr(cfg, cfg_type)); /* if fw doesn't support "ifdis", do not wait for link down of ap mode */ if (err == 0) { WL_ERR(("Wait for Link Down event for GO !!!\n")); wait_for_completion_timeout(&cfg->iface_disable, msecs_to_jiffies(500)); } else if (err != BCME_UNSUPPORTED) { msleep(300); } } else { /* GC case */ if (wl_get_drv_status(cfg, DISCONNECTING, ndev)) { WL_ERR(("Wait for Link Down event for GC !\n")); wait_for_completion_timeout (&cfg->iface_disable, msecs_to_jiffies(500)); } } bzero(&cfg->if_event_info, sizeof(cfg->if_event_info)); wl_set_p2p_status(cfg, IF_DELETING); DNGL_FUNC(dhd_cfg80211_clean_p2p_info, (cfg)); err = wl_cfgp2p_ifdel(cfg, wl_to_p2p_bss_macaddr(cfg, cfg_type)); if (unlikely(err)) { WL_ERR(("IFDEL operation failed, error code = %d\n", err)); goto fail; } else { /* Wait for WLC_E_IF event */ timeout = wait_event_interruptible_timeout(cfg->netif_change_event, ((wl_get_p2p_status(cfg, IF_DELETING) == false) && (cfg->if_event_info.valid)), msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout > 0 && !wl_get_p2p_status(cfg, IF_DELETING) && cfg->if_event_info.valid) { WL_ERR(("P2P IFDEL operation done\n")); err = BCME_OK; } else { WL_ERR(("IFDEL didn't complete properly\n")); err = -EINVAL; } } fail: /* Even in failure case, attempt to remove the host data structure. * Firmware would be cleaned up via WiFi reset done by the * user space from hang event context (for android only). */ bzero(cfg->p2p->vir_ifname, IFNAMSIZ); wl_to_p2p_bss_bssidx(cfg, cfg_type) = -1; wl_to_p2p_bss_ndev(cfg, cfg_type) = NULL; wl_clr_drv_status(cfg, CONNECTED, wl_to_p2p_bss_ndev(cfg, cfg_type)); dhd_net_if_lock(ndev); if (cfg->if_event_info.ifidx) { /* Remove interface except for primary ifidx */ wl_cfg80211_remove_if(cfg, cfg->if_event_info.ifidx, ndev, FALSE); } dhd_net_if_unlock(ndev); return err; } #ifdef WL_IFACE_MGMT_CONF #ifdef WL_IFACE_MGMT static s32 wl_cfg80211_is_policy_config_allowed(struct bcm_cfg80211 *cfg) { s32 ret = BCME_OK; wl_iftype_t active_sec_iface = WL_IFACE_NOT_PRESENT; bool p2p_disc_on = false; bool sta_assoc_state = false; mutex_lock(&cfg->if_sync); sta_assoc_state = (wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg)) || wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))); active_sec_iface = wl_cfg80211_get_sec_iface(cfg); p2p_disc_on = wl_get_p2p_status(cfg, SCANNING); if ((sta_assoc_state == TRUE) || (p2p_disc_on == TRUE) || (cfg->nan_init_state == TRUE) || (active_sec_iface != WL_IFACE_NOT_PRESENT)) { WL_INFORM_MEM(("Active iface matrix: sta_assoc_state = %d," " p2p_disc = %d, nan_disc = %d, active iface = %s\n", sta_assoc_state, p2p_disc_on, cfg->nan_init_state, wl_iftype_to_str(active_sec_iface))); ret = BCME_BUSY; } mutex_unlock(&cfg->if_sync); return ret; } #endif /* WL_IFACE_MGMT */ #ifdef WL_NANP2P int wl_cfg80211_set_iface_conc_disc(struct net_device *ndev, uint8 arg_val) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); if (!cfg) { WL_ERR(("%s: Cannot find cfg\n", __FUNCTION__)); return BCME_ERROR; } if (wl_cfg80211_is_policy_config_allowed(cfg) != BCME_OK) { WL_ERR(("Cant allow iface management modifications\n")); return BCME_BUSY; } if (arg_val) { cfg->conc_disc |= arg_val; } else { cfg->conc_disc &= ~arg_val; } return BCME_OK; } uint8 wl_cfg80211_get_iface_conc_disc(struct net_device *ndev) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); if (!cfg) { WL_ERR(("%s: Cannot find cfg\n", __FUNCTION__)); return BCME_ERROR; } return cfg->conc_disc; } #endif /* WL_NANP2P */ #ifdef WL_IFACE_MGMT int wl_cfg80211_set_iface_policy(struct net_device *ndev, char *arg, int len) { int ret = BCME_OK; uint8 i = 0; iface_mgmt_data_t *iface_data = NULL; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); if (!cfg) { WL_ERR(("%s: Cannot find cfg\n", __FUNCTION__)); return BCME_ERROR; } if (wl_cfg80211_is_policy_config_allowed(cfg) != BCME_OK) { WL_ERR(("Cant allow iface management modifications\n")); return BCME_BUSY; } if (!arg || len <= 0 || len > sizeof(iface_mgmt_data_t)) { return BCME_BADARG; } iface_data = (iface_mgmt_data_t *)arg; if (iface_data->policy >= WL_IF_POLICY_INVALID) { WL_ERR(("Unexpected value of policy = %d\n", iface_data->policy)); return BCME_BADARG; } bzero(&cfg->iface_data, sizeof(iface_mgmt_data_t)); ret = memcpy_s(&cfg->iface_data, sizeof(iface_mgmt_data_t), arg, len); if (ret != BCME_OK) { WL_ERR(("Failed to copy iface data, src len = %d\n", len)); return ret; } if (cfg->iface_data.policy == WL_IF_POLICY_ROLE_PRIORITY) { for (i = 0; i < WL_IF_TYPE_MAX; i++) { WL_DBG(("iface = %s, priority[i] = %d\n", wl_iftype_to_str(i), cfg->iface_data.priority[i])); } } return ret; } uint8 wl_cfg80211_get_iface_policy(struct net_device *ndev) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); if (!cfg) { WL_ERR(("%s: Cannot find cfg\n", __FUNCTION__)); return BCME_ERROR; } return cfg->iface_data.policy; } #endif /* WL_IFACE_MGMT */ #endif /* WL_IFACE_MGMT_CONF */ #ifdef WL_IFACE_MGMT /* Get active secondary data iface type */ wl_iftype_t wl_cfg80211_get_sec_iface(struct bcm_cfg80211 *cfg) { #ifndef WL_STATIC_IF dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); #endif /* !WL_STATIC_IF */ struct net_device *p2p_ndev = NULL; p2p_ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION1); #ifdef WL_STATIC_IF if (IS_CFG80211_STATIC_IF_ACTIVE(cfg)) { if (IS_AP_IFACE(cfg->static_ndev->ieee80211_ptr)) { return WL_IF_TYPE_AP; } } #else if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { return WL_IF_TYPE_AP; } #endif /* WL_STATIC_IF */ if (p2p_ndev && p2p_ndev->ieee80211_ptr) { if (p2p_ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) { return WL_IF_TYPE_P2P_GO; } if (p2p_ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) { return WL_IF_TYPE_P2P_GC; } } #ifdef WL_NAN if (wl_cfgnan_is_dp_active(bcmcfg_to_prmry_ndev(cfg))) { return WL_IF_TYPE_NAN; } #endif /* WL_NAN */ return WL_IFACE_NOT_PRESENT; } /* * Handle incoming data interface request based on policy. * If there is any conflicting interface, that will be * deleted. */ s32 wl_cfg80211_data_if_mgmt(struct bcm_cfg80211 *cfg, wl_iftype_t new_wl_iftype) { s32 ret = BCME_OK; bool del_iface = false; wl_iftype_t sec_wl_if_type = wl_cfg80211_get_sec_iface(cfg); if (sec_wl_if_type == WL_IF_TYPE_NAN && new_wl_iftype == WL_IF_TYPE_NAN) { /* Multi NDP is allowed irrespective of Policy */ return BCME_OK; } if (sec_wl_if_type == WL_IFACE_NOT_PRESENT) { /* * If there is no active secondary I/F, there * is no interface conflict. Do nothing. */ return BCME_OK; } /* Handle secondary data link case */ switch (cfg->iface_data.policy) { case WL_IF_POLICY_CUSTOM: case WL_IF_POLICY_DEFAULT: { if (sec_wl_if_type == WL_IF_TYPE_NAN) { /* NAN has the lowest priority */ del_iface = true; } else { /* Active iface is present, returning error */ ret = BCME_ERROR; } break; } case WL_IF_POLICY_FCFS: { WL_INFORM_MEM(("Found active iface = %s, can't support new iface = %s\n", wl_iftype_to_str(sec_wl_if_type), wl_iftype_to_str(new_wl_iftype))); ret = BCME_ERROR; break; } case WL_IF_POLICY_LP: { WL_INFORM_MEM(("Remove active sec data interface, allow incoming iface\n")); /* Delete existing data iface and allow incoming sec iface */ del_iface = true; break; } case WL_IF_POLICY_ROLE_PRIORITY: { WL_INFORM_MEM(("Existing iface = %s (%d) and new iface = %s (%d)\n", wl_iftype_to_str(sec_wl_if_type), cfg->iface_data.priority[sec_wl_if_type], wl_iftype_to_str(new_wl_iftype), cfg->iface_data.priority[new_wl_iftype])); if (cfg->iface_data.priority[new_wl_iftype] > cfg->iface_data.priority[sec_wl_if_type]) { del_iface = true; } else { WL_ERR(("Can't support new iface = %s\n", wl_iftype_to_str(new_wl_iftype))); ret = BCME_ERROR; } break; } default: { WL_ERR(("Unsupported interface policy = %d\n", cfg->iface_data.policy)); return BCME_ERROR; } } if (del_iface) { ret = wl_cfg80211_delete_iface(cfg, sec_wl_if_type); } return ret; } /* Handle discovery ifaces based on policy */ s32 wl_cfg80211_disc_if_mgmt(struct bcm_cfg80211 *cfg, wl_iftype_t new_wl_iftype, bool *disable_nan, bool *disable_p2p) { s32 ret = BCME_OK; wl_iftype_t sec_wl_if_type = wl_cfg80211_get_sec_iface(cfg); *disable_p2p = false; *disable_nan = false; if (sec_wl_if_type == WL_IF_TYPE_NAN && new_wl_iftype == WL_IF_TYPE_NAN) { /* Multi NDP is allowed irrespective of Policy */ return BCME_OK; } /* * Check for any policy conflicts with active secondary * interface for incoming discovery iface */ if ((sec_wl_if_type != WL_IFACE_NOT_PRESENT) && (is_discovery_iface(new_wl_iftype))) { switch (cfg->iface_data.policy) { case WL_IF_POLICY_CUSTOM: { if (sec_wl_if_type == WL_IF_TYPE_NAN && new_wl_iftype == WL_IF_TYPE_P2P_DISC) { WL_INFORM_MEM(("Allow P2P Discovery with active NDP\n")); /* No further checks are required. */ return BCME_OK; } /* * Intentional fall through to default policy * as for AP and associated ifaces, both are same */ } case WL_IF_POLICY_DEFAULT: { if (sec_wl_if_type == WL_IF_TYPE_AP) { WL_INFORM_MEM(("AP is active, cant support new iface\n")); ret = BCME_ERROR; } else if (sec_wl_if_type == WL_IF_TYPE_P2P_GC || sec_wl_if_type == WL_IF_TYPE_P2P_GO) { if (new_wl_iftype == WL_IF_TYPE_P2P_DISC) { /* * Associated discovery case, * Fall through */ } else { /* Active iface is present, returning error */ WL_INFORM_MEM(("P2P group is active," " cant support new iface\n")); ret = BCME_ERROR; } } else if (sec_wl_if_type == WL_IF_TYPE_NAN) { ret = wl_cfg80211_delete_iface(cfg, sec_wl_if_type); } break; } case WL_IF_POLICY_FCFS: { WL_INFORM_MEM(("Can't support new iface = %s\n", wl_iftype_to_str(new_wl_iftype))); ret = BCME_ERROR; break; } case WL_IF_POLICY_LP: { /* Delete existing data iface n allow incoming sec iface */ WL_INFORM_MEM(("Remove active sec data interface = %s\n", wl_iftype_to_str(sec_wl_if_type))); ret = wl_cfg80211_delete_iface(cfg, sec_wl_if_type); break; } case WL_IF_POLICY_ROLE_PRIORITY: { WL_INFORM_MEM(("Existing iface = %s (%d) and new iface = %s (%d)\n", wl_iftype_to_str(sec_wl_if_type), cfg->iface_data.priority[sec_wl_if_type], wl_iftype_to_str(new_wl_iftype), cfg->iface_data.priority[new_wl_iftype])); if (cfg->iface_data.priority[new_wl_iftype] > cfg->iface_data.priority[sec_wl_if_type]) { WL_INFORM_MEM(("Remove active sec data iface\n")); ret = wl_cfg80211_delete_iface(cfg, sec_wl_if_type); } else { WL_ERR(("Can't support new iface = %s" " due to low priority\n", wl_iftype_to_str(new_wl_iftype))); ret = BCME_ERROR; } break; } default: { WL_ERR(("Unsupported policy\n")); return BCME_ERROR; } } } else { /* * Handle incoming new secondary iface request, * irrespective of existing discovery ifaces */ if ((cfg->iface_data.policy == WL_IF_POLICY_CUSTOM) && (new_wl_iftype == WL_IF_TYPE_NAN)) { WL_INFORM_MEM(("Allow NAN Data Path\n")); /* No further checks are required. */ return BCME_OK; } } /* Check for any conflicting discovery iface */ switch (new_wl_iftype) { case WL_IF_TYPE_P2P_DISC: case WL_IF_TYPE_P2P_GO: case WL_IF_TYPE_P2P_GC: { *disable_nan = true; break; } case WL_IF_TYPE_NAN_NMI: case WL_IF_TYPE_NAN: { *disable_p2p = true; break; } case WL_IF_TYPE_STA: case WL_IF_TYPE_AP: { *disable_nan = true; *disable_p2p = true; break; } default: { WL_ERR(("Unsupported\n")); return BCME_ERROR; } } return ret; } bool wl_cfg80211_is_associated_discovery(struct bcm_cfg80211 *cfg, wl_iftype_t new_wl_iftype) { struct net_device *p2p_ndev = NULL; p2p_ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION1); if (new_wl_iftype == WL_IF_TYPE_P2P_DISC && p2p_ndev && p2p_ndev->ieee80211_ptr && is_p2p_group_iface(p2p_ndev->ieee80211_ptr)) { return true; } #ifdef WL_NAN else if ((new_wl_iftype == WL_IF_TYPE_NAN_NMI) && (wl_cfgnan_is_dp_active(bcmcfg_to_prmry_ndev(cfg)))) { return true; } #endif /* WL_NAN */ return false; } /* Handle incoming discovery iface request */ s32 wl_cfg80211_handle_discovery_config(struct bcm_cfg80211 *cfg, wl_iftype_t new_wl_iftype) { s32 ret = BCME_OK; bool disable_p2p = false; bool disable_nan = false; wl_iftype_t active_sec_iface = wl_cfg80211_get_sec_iface(cfg); if (is_discovery_iface(new_wl_iftype) && (active_sec_iface != WL_IFACE_NOT_PRESENT)) { if (wl_cfg80211_is_associated_discovery(cfg, new_wl_iftype) == TRUE) { WL_DBG(("Associate iface request is allowed= %s\n", wl_iftype_to_str(new_wl_iftype))); return ret; } } ret = wl_cfg80211_disc_if_mgmt(cfg, new_wl_iftype, &disable_nan, &disable_p2p); if (ret != BCME_OK) { WL_ERR(("Failed at disc iface mgmt, ret = %d\n", ret)); return ret; } #ifdef WL_NANP2P if (((new_wl_iftype == WL_IF_TYPE_P2P_DISC) && disable_nan) || ((new_wl_iftype == WL_IF_TYPE_NAN_NMI) && disable_p2p)) { if ((cfg->nan_p2p_supported == TRUE) && (cfg->conc_disc == WL_NANP2P_CONC_SUPPORT)) { WL_INFORM_MEM(("P2P + NAN conc is supported\n")); disable_p2p = false; disable_nan = false; } } #endif /* WL_NANP2P */ if (disable_nan) { #ifdef WL_NAN /* Disable nan */ cfg->nancfg.disable_reason = NAN_CONCURRENCY_CONFLICT; ret = wl_cfgnan_disable(cfg); if (ret != BCME_OK) { WL_ERR(("failed to disable nan, error[%d]\n", ret)); return ret; } #endif /* WL_NAN */ } if (disable_p2p) { /* Disable p2p discovery */ ret = wl_cfg80211_deinit_p2p_discovery(cfg); if (ret != BCME_OK) { WL_ERR(("Failed to disable p2p_disc for allowing nan\n")); return ret; } } return ret; } /* * Check for any conflicting iface before adding iface. * Based on policy, either conflicting iface is removed * or new iface add request is blocked. */ s32 wl_cfg80211_handle_if_role_conflict(struct bcm_cfg80211 *cfg, wl_iftype_t new_wl_iftype) { s32 ret = BCME_OK; WL_INFORM_MEM(("Incoming iface = %s\n", wl_iftype_to_str(new_wl_iftype))); if (!is_discovery_iface(new_wl_iftype)) { /* Incoming data interface request */ if (wl_cfg80211_get_sec_iface(cfg) != WL_IFACE_NOT_PRESENT) { /* active interface present - Apply interface data policy */ ret = wl_cfg80211_data_if_mgmt(cfg, new_wl_iftype); if (ret != BCME_OK) { WL_ERR(("if_mgmt fail:%d\n", ret)); return ret; } } } /* Apply discovery config */ ret = wl_cfg80211_handle_discovery_config(cfg, new_wl_iftype); return ret; } #endif /* WL_IFACE_MGMT */ static struct wireless_dev * wl_cfg80211_add_monitor_if(struct wiphy *wiphy, const char *name) { #if defined(WL_ENABLE_P2P_IF) || defined(WL_CFG80211_P2P_DEV_IF) WL_ERR(("wl_cfg80211_add_monitor_if: No more support monitor interface\n")); return ERR_PTR(-EOPNOTSUPP); #else struct wireless_dev *wdev; struct net_device* ndev = NULL; dhd_add_monitor(name, &ndev); wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); if (!wdev) { WL_ERR(("wireless_dev alloc failed! \n")); goto fail; } wdev->wiphy = wiphy; wdev->iftype = NL80211_IFTYPE_MONITOR; ndev->ieee80211_ptr = wdev; SET_NETDEV_DEV(ndev, wiphy_dev(wiphy)); WL_DBG(("wl_cfg80211_add_monitor_if net device returned: 0x%p\n", ndev)); return ndev->ieee80211_ptr; fail: return ERR_PTR(-EOPNOTSUPP); #endif // endif } static struct wireless_dev * wl_cfg80211_add_ibss(struct wiphy *wiphy, u16 wl_iftype, char const *name) { #ifdef WLAIBSS_MCHAN /* AIBSS */ return bcm_cfg80211_add_ibss_if(wiphy, (char *)name); #else /* Normal IBSS */ WL_ERR(("IBSS not supported on Virtual iface\n")); return NULL; #endif // endif } s32 wl_release_vif_macaddr(struct bcm_cfg80211 *cfg, u8 *mac_addr, u16 wl_iftype) { struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); u16 org_toggle_bytes; u16 cur_toggle_bytes; u16 toggled_bit; if (!ndev || !mac_addr || ETHER_ISNULLADDR(mac_addr)) { return -EINVAL; } WL_DBG(("%s:Mac addr" MACDBG "\n", __FUNCTION__, MAC2STRDBG(mac_addr))); if ((wl_iftype == WL_IF_TYPE_P2P_DISC) || (wl_iftype == WL_IF_TYPE_AP) || (wl_iftype == WL_IF_TYPE_P2P_GO) || (wl_iftype == WL_IF_TYPE_P2P_GC)) { /* Avoid invoking release mac addr code for interfaces using * fixed mac addr. */ return BCME_OK; } /* Fetch last two bytes of mac address */ org_toggle_bytes = ntoh16(*((u16 *)&ndev->dev_addr[4])); cur_toggle_bytes = ntoh16(*((u16 *)&mac_addr[4])); toggled_bit = (org_toggle_bytes ^ cur_toggle_bytes); WL_DBG(("org_toggle_bytes:%04X cur_toggle_bytes:%04X\n", org_toggle_bytes, cur_toggle_bytes)); if (toggled_bit & cfg->vif_macaddr_mask) { /* This toggled_bit is marked in the used mac addr * mask. Clear it. */ cfg->vif_macaddr_mask &= ~toggled_bit; WL_INFORM(("MAC address - " MACDBG " released. toggled_bit:%04X vif_mask:%04X\n", MAC2STRDBG(mac_addr), toggled_bit, cfg->vif_macaddr_mask)); } else { WL_ERR(("MAC address - " MACDBG " not found in the used list." " toggled_bit:%04x vif_mask:%04x\n", MAC2STRDBG(mac_addr), toggled_bit, cfg->vif_macaddr_mask)); return -EINVAL; } return BCME_OK; } s32 wl_get_vif_macaddr(struct bcm_cfg80211 *cfg, u16 wl_iftype, u8 *mac_addr) { #ifdef WL_P2P_USE_RANDMAC struct ether_addr *p2p_dev_addr = wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_DEVICE); #endif // endif struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); u16 toggle_mask; u16 toggle_bit; u16 toggle_bytes; u16 used; u32 offset = 0; /* Toggle mask starts from MSB of second last byte */ u16 mask = 0x8000; if (!mac_addr) { return -EINVAL; } #ifdef WL_P2P_USE_RANDMAC if (wl_iftype == WL_IF_TYPE_P2P_DISC) { memcpy_s(mac_addr, ETH_ALEN, p2p_dev_addr->octet, ETH_ALEN); return 0; } #endif // endif memcpy(mac_addr, ndev->dev_addr, ETH_ALEN); /* * VIF MAC address managment * P2P Device addres: Primary MAC with locally admin. bit set * P2P Group address/NAN NMI/Softap/NAN DPI: Primary MAC addr * with local admin bit set and one additional bit toggled. * cfg->vif_macaddr_mask will hold the info regarding the mac address * released. Ensure to call wl_release_vif_macaddress to free up * the mac address. */ #if defined(SPECIFIC_MAC_GEN_SCHEME) if (wl_iftype == WL_IF_TYPE_P2P_DISC || wl_iftype == WL_IF_TYPE_AP) { mac_addr[0] |= 0x02; } else if ((wl_iftype == WL_IF_TYPE_P2P_GO) || (wl_iftype == WL_IF_TYPE_P2P_GC)) { mac_addr[0] |= 0x02; mac_addr[4] ^= 0x80; } #else if (wl_iftype == WL_IF_TYPE_P2P_DISC) { mac_addr[0] |= 0x02; } #endif /* SEPCIFIC_MAC_GEN_SCHEME */ else { /* For locally administered mac addresses, we keep the * OUI part constant and just work on the last two bytes. */ mac_addr[0] |= 0x02; toggle_mask = cfg->vif_macaddr_mask; toggle_bytes = ntoh16(*((u16 *)&mac_addr[4])); do { used = toggle_mask & mask; if (!used) { /* Use this bit position */ toggle_bit = mask >> offset; toggle_bytes ^= toggle_bit; cfg->vif_macaddr_mask |= toggle_bit; WL_DBG(("toggle_bit:%04X toggle_bytes:%04X toggle_mask:%04X\n", toggle_bit, toggle_bytes, cfg->vif_macaddr_mask)); /* Macaddress are stored in network order */ mac_addr[5] = *((u8 *)&toggle_bytes); mac_addr[4] = *(((u8 *)&toggle_bytes + 1)); break; } /* Shift by one */ toggle_mask = toggle_mask << 0x1; offset++; if (offset > MAX_VIF_OFFSET) { /* We have used up all macaddresses. Something wrong! */ WL_ERR(("Entire range of macaddress used up.\n")); ASSERT(0); break; } } while (true); } WL_INFORM_MEM(("Get virtual I/F mac addr: "MACDBG"\n", MAC2STRDBG(mac_addr))); return 0; } #ifdef DNGL_AXI_ERROR_LOGGING static s32 _wl_cfg80211_check_axi_error(struct bcm_cfg80211 *cfg) { s32 ret = BCME_OK; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); hnd_ext_trap_hdr_t *hdr; int axi_host_error_size; uint8 *new_dst; uint32 *ext_data = dhd->extended_trap_data; struct file *fp = NULL; char *filename = DHD_COMMON_DUMP_PATH DHD_DUMP_AXI_ERROR_FILENAME DHD_DUMP_HAL_FILENAME_SUFFIX; WL_ERR(("%s: starts to read %s. Axi error \n", __FUNCTION__, filename)); fp = filp_open(filename, O_RDONLY, 0); if (IS_ERR(fp) || (fp == NULL)) { WL_ERR(("%s: Couldn't read the file, err %ld,File [%s] No previous axi error \n", __FUNCTION__, PTR_ERR(fp), filename)); return ret; } kernel_read_compat(fp, fp->f_pos, (char *)dhd->axi_err_dump, sizeof(dhd_axi_error_dump_t)); filp_close(fp, NULL); /* Delete axi error info file */ if (dhd_file_delete(filename) < 0) { WL_ERR(("%s(): Failed to delete file: %s\n", __FUNCTION__, filename)); return ret; } WL_ERR(("%s(): Success to delete file: %s\n", __FUNCTION__, filename)); if (dhd->axi_err_dump->etd_axi_error_v1.signature != HND_EXT_TRAP_AXIERROR_SIGNATURE) { WL_ERR(("%s: Invalid AXI signature: 0x%x\n", __FUNCTION__, dhd->axi_err_dump->etd_axi_error_v1.signature)); } /* First word is original trap_data */ ext_data++; /* Followed by the extended trap data header */ hdr = (hnd_ext_trap_hdr_t *)ext_data; new_dst = hdr->data; axi_host_error_size = sizeof(dhd->axi_err_dump->axid) + sizeof(dhd->axi_err_dump->fault_address); /* TAG_TRAP_AXI_HOST_INFO tlv : host's axid, fault address */ new_dst = bcm_write_tlv(TAG_TRAP_AXI_HOST_INFO, (const void *)dhd->axi_err_dump, axi_host_error_size, new_dst); /* TAG_TRAP_AXI_ERROR tlv */ new_dst = bcm_write_tlv(TAG_TRAP_AXI_ERROR, (const void *)&dhd->axi_err_dump->etd_axi_error_v1, sizeof(dhd->axi_err_dump->etd_axi_error_v1), new_dst); hdr->len = new_dst - hdr->data; dhd->dongle_trap_occured = TRUE; memset(dhd->axi_err_dump, 0, sizeof(dhd_axi_error_dump_t)); dhd->hang_reason = HANG_REASON_DONGLE_TRAP; net_os_send_hang_message(bcmcfg_to_prmry_ndev(cfg)); ret = BCME_ERROR; return ret; } #endif /* DNGL_AXI_ERROR_LOGGING */ /* All Android/Linux private/Vendor Interface calls should make * use of below API for interface creation. */ struct wireless_dev * wl_cfg80211_add_if(struct bcm_cfg80211 *cfg, struct net_device *primary_ndev, wl_iftype_t wl_iftype, const char *name, u8 *mac) { u8 mac_addr[ETH_ALEN]; s32 err = -ENODEV; struct wireless_dev *wdev = NULL; struct wiphy *wiphy; s32 wl_mode; dhd_pub_t *dhd; wl_iftype_t macaddr_iftype = wl_iftype; WL_INFORM_MEM(("if name: %s, wl_iftype:%d \n", name ? name : "NULL", wl_iftype)); if (!cfg || !primary_ndev || !name) { WL_ERR(("cfg/ndev/name ptr null\n")); return NULL; } if (wl_cfg80211_get_wdev_from_ifname(cfg, name)) { WL_ERR(("Interface name %s exists!\n", name)); return NULL; } wiphy = bcmcfg_to_wiphy(cfg); dhd = (dhd_pub_t *)(cfg->pub); if (!dhd) { return NULL; } if ((wl_mode = wl_iftype_to_mode(wl_iftype)) < 0) { return NULL; } mutex_lock(&cfg->if_sync); #ifdef WL_NAN if (wl_iftype == WL_IF_TYPE_NAN) { /* * Bypass the role conflict check for NDI and handle it * from dp req and dp resp context * because in aware comms, ndi gets created soon after nan enable. */ } else #endif /* WL_NAN */ #ifdef WL_IFACE_MGMT if ((err = wl_cfg80211_handle_if_role_conflict(cfg, wl_iftype)) < 0) { mutex_unlock(&cfg->if_sync); return NULL; } #endif /* WL_IFACE_MGMT */ #ifdef DNGL_AXI_ERROR_LOGGING /* Check the previous smmu fault error */ if ((err = _wl_cfg80211_check_axi_error(cfg)) < 0) { mutex_unlock(&cfg->if_sync); return NULL; } #endif /* DNGL_AXI_ERROR_LOGGING */ /* Protect the interace op context */ /* Do pre-create ops */ wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr, WL_IF_CREATE_REQ, wl_iftype, wl_mode); if (strnicmp(name, SOFT_AP_IF_NAME, strlen(SOFT_AP_IF_NAME)) == 0) { macaddr_iftype = WL_IF_TYPE_AP; } if (mac) { /* If mac address is provided, use that */ memcpy(mac_addr, mac, ETH_ALEN); } else if ((wl_get_vif_macaddr(cfg, macaddr_iftype, mac_addr) != BCME_OK)) { /* Fetch the mac address to be used for virtual interface */ err = -EINVAL; goto fail; } switch (wl_iftype) { case WL_IF_TYPE_IBSS: wdev = wl_cfg80211_add_ibss(wiphy, wl_iftype, name); break; case WL_IF_TYPE_MONITOR: wdev = wl_cfg80211_add_monitor_if(wiphy, name); break; case WL_IF_TYPE_STA: case WL_IF_TYPE_AP: case WL_IF_TYPE_NAN: if (cfg->iface_cnt >= (IFACE_MAX_CNT - 1)) { WL_ERR(("iface_cnt exceeds max cnt. created iface_cnt: %d\n", cfg->iface_cnt)); err = -ENOTSUPP; goto fail; } wdev = wl_cfg80211_create_iface(cfg->wdev->wiphy, wl_iftype, mac_addr, name); break; case WL_IF_TYPE_P2P_DISC: case WL_IF_TYPE_P2P_GO: /* Intentional fall through */ case WL_IF_TYPE_P2P_GC: if (cfg->p2p_supported) { wdev = wl_cfg80211_p2p_if_add(cfg, wl_iftype, name, mac_addr, &err); break; } /* Intentionally fall through for unsupported interface * handling when firmware doesn't support p2p */ default: WL_ERR(("Unsupported interface type\n")); err = -ENOTSUPP; goto fail; } if (!wdev) { WL_ERR(("vif create failed. err:%d\n", err)); if (err != -ENOTSUPP) { err = -ENODEV; } goto fail; } /* Ensure decrementing in case of failure */ cfg->vif_count++; wl_cfg80211_iface_state_ops(wdev, WL_IF_CREATE_DONE, wl_iftype, wl_mode); WL_INFORM_MEM(("Vif created. dev->ifindex:%d" " cfg_iftype:%d, vif_count:%d\n", (wdev->netdev ? wdev->netdev->ifindex : 0xff), wdev->iftype, cfg->vif_count)); mutex_unlock(&cfg->if_sync); return wdev; fail: wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr, WL_IF_DELETE_REQ, wl_iftype, wl_mode); if (err != -ENOTSUPP) { /* For non-supported interfaces, just return error and * skip below recovery steps. */ SUPP_LOG(("IF_ADD fail. err:%d\n", err)); wl_flush_fw_log_buffer(primary_ndev, FW_LOGSET_MASK_ALL); if (dhd_query_bus_erros(dhd)) { goto exit; } dhd->iface_op_failed = TRUE; #if defined(DHD_DEBUG) && defined(BCMPCIE) && defined(DHD_FW_COREDUMP) if (dhd->memdump_enabled) { dhd->memdump_type = DUMP_TYPE_IFACE_OP_FAILURE; dhd_bus_mem_dump(dhd); } #endif /* DHD_DEBUG && BCMPCIE && DHD_FW_COREDUMP */ dhd->hang_reason = HANG_REASON_IFACE_ADD_FAILURE; net_os_send_hang_message(bcmcfg_to_prmry_ndev(cfg)); } exit: mutex_unlock(&cfg->if_sync); return NULL; } static bcm_struct_cfgdev * wl_cfg80211_add_virtual_iface(struct wiphy *wiphy, #if defined(WL_CFG80211_P2P_DEV_IF) const char *name, #else char *name, #endif /* WL_CFG80211_P2P_DEV_IF */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) unsigned char name_assign_type, #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) */ enum nl80211_iftype type, #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0)) u32 *flags, #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) */ struct vif_params *params) { u16 wl_iftype; u16 wl_mode; struct net_device *primary_ndev; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wireless_dev *wdev; WL_DBG(("Enter iftype: %d\n", type)); if (!cfg) { return ERR_PTR(-EINVAL); } /* Use primary I/F for sending cmds down to firmware */ primary_ndev = bcmcfg_to_prmry_ndev(cfg); if (unlikely(!wl_get_drv_status(cfg, READY, primary_ndev))) { WL_ERR(("device is not ready\n")); return ERR_PTR(-ENODEV); } if (!name) { WL_ERR(("Interface name not provided \n")); return ERR_PTR(-EINVAL); } if (cfg80211_to_wl_iftype(type, &wl_iftype, &wl_mode) < 0) { return ERR_PTR(-EINVAL); } wdev = wl_cfg80211_add_if(cfg, primary_ndev, wl_iftype, name, NULL); if (unlikely(!wdev)) { return ERR_PTR(-ENODEV); } return wdev_to_cfgdev(wdev); } static s32 wl_cfg80211_del_ibss(struct wiphy *wiphy, struct wireless_dev *wdev) { WL_INFORM_MEM(("del ibss wdev_ptr:%p\n", wdev)); #ifdef WLAIBSS_MCHAN /* AIBSS */ return bcm_cfg80211_del_ibss_if(wiphy, wdev); #else /* Normal IBSS */ return wl_cfg80211_del_iface(wiphy, wdev); #endif // endif } s32 wl_cfg80211_del_if(struct bcm_cfg80211 *cfg, struct net_device *primary_ndev, struct wireless_dev *wdev, char *ifname) { int ret = BCME_OK; mutex_lock(&cfg->if_sync); ret = _wl_cfg80211_del_if(cfg, primary_ndev, wdev, ifname); mutex_unlock(&cfg->if_sync); return ret; } s32 _wl_cfg80211_del_if(struct bcm_cfg80211 *cfg, struct net_device *primary_ndev, struct wireless_dev *wdev, char *ifname) { int ret = BCME_OK; s32 bssidx; struct wiphy *wiphy; u16 wl_mode; u16 wl_iftype; struct net_info *netinfo; dhd_pub_t *dhd; BCM_REFERENCE(dhd); if (!cfg) { return -EINVAL; } dhd = (dhd_pub_t *)(cfg->pub); if (!wdev && ifname) { /* If only ifname is provided, fetch corresponding wdev ptr from our * internal data structure */ wdev = wl_cfg80211_get_wdev_from_ifname(cfg, ifname); } /* Check whether we have a valid wdev ptr */ if (unlikely(!wdev)) { WL_ERR(("wdev not found. '%s' does not exists\n", ifname)); return -ENODEV; } WL_INFORM_MEM(("del vif. wdev cfg_iftype:%d\n", wdev->iftype)); wiphy = wdev->wiphy; #ifdef WL_CFG80211_P2P_DEV_IF if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { /* p2p discovery would be de-initialized in stop p2p * device context/from other virtual i/f creation context * so netinfo list may not have any node corresponding to * discovery I/F. Handle it before bssidx check. */ ret = wl_cfg80211_p2p_if_del(wiphy, wdev); if (unlikely(ret)) { goto exit; } else { /* success case. return from here */ if (cfg->vif_count) { cfg->vif_count--; } return BCME_OK; } } #endif /* WL_CFG80211_P2P_DEV_IF */ if ((netinfo = wl_get_netinfo_by_wdev(cfg, wdev)) == NULL) { WL_ERR(("Find netinfo from wdev %p failed\n", wdev)); ret = -ENODEV; goto exit; } if (!wdev->netdev) { WL_ERR(("ndev null! \n")); } else { /* Disable tx before del */ netif_tx_disable(wdev->netdev); } wl_iftype = netinfo->iftype; wl_mode = wl_iftype_to_mode(wl_iftype); bssidx = netinfo->bssidx; WL_INFORM_MEM(("[IFDEL] cfg_iftype:%d wl_iftype:%d mode:%d bssidx:%d\n", wdev->iftype, wl_iftype, wl_mode, bssidx)); /* Do pre-interface del ops */ wl_cfg80211_iface_state_ops(wdev, WL_IF_DELETE_REQ, wl_iftype, wl_mode); switch (wl_iftype) { case WL_IF_TYPE_P2P_GO: case WL_IF_TYPE_P2P_GC: case WL_IF_TYPE_AP: case WL_IF_TYPE_STA: case WL_IF_TYPE_NAN: ret = wl_cfg80211_del_iface(wiphy, wdev); break; case WL_IF_TYPE_IBSS: ret = wl_cfg80211_del_ibss(wiphy, wdev); break; default: WL_ERR(("Unsupported interface type\n")); ret = BCME_ERROR; } exit: if (ret == BCME_OK) { /* Successful case */ if (cfg->vif_count) { cfg->vif_count--; } wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr, WL_IF_DELETE_DONE, wl_iftype, wl_mode); #ifdef WL_NAN if (!((cfg->nancfg.mac_rand) && (wl_iftype == WL_IF_TYPE_NAN))) #endif /* WL_NAN */ { wl_release_vif_macaddr(cfg, wdev->netdev->dev_addr, wl_iftype); } WL_INFORM_MEM(("vif deleted. vif_count:%d\n", cfg->vif_count)); } else { if (!wdev->netdev) { WL_ERR(("ndev null! \n")); } else { /* IF del failed. revert back tx queue status */ netif_tx_start_all_queues(wdev->netdev); } /* Skip generating log files and sending HANG event * if driver state is not READY */ if (wl_get_drv_status(cfg, READY, bcmcfg_to_prmry_ndev(cfg))) { SUPP_LOG(("IF_DEL fail. err:%d\n", ret)); wl_flush_fw_log_buffer(primary_ndev, FW_LOGSET_MASK_ALL); /* IF dongle is down due to previous hang or other conditions, sending * one more hang notification is not needed. */ if (dhd_query_bus_erros(dhd) || (ret == BCME_DONGLE_DOWN)) { goto end; } dhd->iface_op_failed = TRUE; #if defined(DHD_FW_COREDUMP) if (dhd->memdump_enabled && (ret != -EBADTYPE)) { dhd->memdump_type = DUMP_TYPE_IFACE_OP_FAILURE; dhd_bus_mem_dump(dhd); } #endif /* DHD_FW_COREDUMP */ WL_ERR(("Notify hang event to upper layer \n")); dhd->hang_reason = HANG_REASON_IFACE_DEL_FAILURE; net_os_send_hang_message(bcmcfg_to_prmry_ndev(cfg)); } } end: return ret; } static s32 wl_cfg80211_del_virtual_iface(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wireless_dev *wdev = cfgdev_to_wdev(cfgdev); int ret = BCME_OK; u16 wl_iftype; u16 wl_mode; struct net_device *primary_ndev; if (!cfg) { return -EINVAL; } primary_ndev = bcmcfg_to_prmry_ndev(cfg); wdev = cfgdev_to_wdev(cfgdev); if (!wdev) { WL_ERR(("wdev null")); return -ENODEV; } WL_DBG(("Enter wdev:%p iftype: %d\n", wdev, wdev->iftype)); if (cfg80211_to_wl_iftype(wdev->iftype, &wl_iftype, &wl_mode) < 0) { WL_ERR(("Wrong iftype: %d\n", wdev->iftype)); return -ENODEV; } if ((ret = wl_cfg80211_del_if(cfg, primary_ndev, wdev, NULL)) < 0) { WL_ERR(("IF del failed\n")); } return ret; } static s32 wl_cfg80211_change_p2prole(struct wiphy *wiphy, struct net_device *ndev, enum nl80211_iftype type) { s32 wlif_type; s32 mode = 0; s32 index; s32 err; s32 conn_idx = -1; chanspec_t chspec; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); WL_INFORM_MEM(("Enter. current_role:%d new_role:%d \n", ndev->ieee80211_ptr->iftype, type)); if (!cfg->p2p || !wl_cfgp2p_vif_created(cfg)) { WL_ERR(("P2P not initialized \n")); return -EINVAL; } if (!is_p2p_group_iface(ndev->ieee80211_ptr)) { WL_ERR(("Wrong if type \n")); return -EINVAL; } /* Abort any on-going scans to avoid race condition issues */ wl_cfg80211_cancel_scan(cfg); index = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr); if (index < 0) { WL_ERR(("Find bsscfg index from ndev(%p) failed\n", ndev)); return BCME_ERROR; } if (wl_cfgp2p_find_type(cfg, index, &conn_idx) != BCME_OK) { return BCME_ERROR; } /* In concurrency case, STA may be already associated in a particular * channel. so retrieve the current channel of primary interface and * then start the virtual interface on that. */ chspec = wl_cfg80211_get_shared_freq(wiphy); if (type == NL80211_IFTYPE_P2P_GO) { /* Dual p2p doesn't support multiple P2PGO interfaces, * p2p_go_count is the counter for GO creation * requests. */ if ((cfg->p2p->p2p_go_count > 0) && (type == NL80211_IFTYPE_P2P_GO)) { WL_ERR(("FW does not support multiple GO\n")); return BCME_ERROR; } mode = WL_MODE_AP; wlif_type = WL_P2P_IF_GO; dhd->op_mode &= ~DHD_FLAG_P2P_GC_MODE; dhd->op_mode |= DHD_FLAG_P2P_GO_MODE; } else { wlif_type = WL_P2P_IF_CLIENT; /* for GO */ if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) { WL_INFORM_MEM(("Downgrading P2P GO to cfg_iftype:%d \n", type)); wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false); cfg->p2p->p2p_go_count--; /* disable interface before bsscfg free */ err = wl_cfgp2p_ifdisable(cfg, wl_to_p2p_bss_macaddr(cfg, conn_idx)); /* if fw doesn't support "ifdis", * do not wait for link down of ap mode */ if (err == 0) { WL_DBG(("Wait for Link Down event for GO !!!\n")); wait_for_completion_timeout(&cfg->iface_disable, msecs_to_jiffies(500)); } else if (err != BCME_UNSUPPORTED) { msleep(300); } } } wl_set_p2p_status(cfg, IF_CHANGING); wl_clr_p2p_status(cfg, IF_CHANGED); wl_cfgp2p_ifchange(cfg, wl_to_p2p_bss_macaddr(cfg, conn_idx), htod32(wlif_type), chspec, conn_idx); wait_event_interruptible_timeout(cfg->netif_change_event, (wl_get_p2p_status(cfg, IF_CHANGED) == true), msecs_to_jiffies(MAX_WAIT_TIME)); wl_clr_p2p_status(cfg, IF_CHANGING); wl_clr_p2p_status(cfg, IF_CHANGED); if (mode == WL_MODE_AP) { wl_set_drv_status(cfg, CONNECTED, ndev); } return BCME_OK; } static s32 wl_cfg80211_change_virtual_iface(struct wiphy *wiphy, struct net_device *ndev, enum nl80211_iftype type, #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0)) u32 *flags, #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) */ struct vif_params *params) { s32 infra = 1; s32 err = BCME_OK; u16 wl_iftype; u16 wl_mode; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_info *netinfo = NULL; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); struct net_device *primary_ndev; if (!dhd) return -EINVAL; WL_INFORM_MEM(("[%s] Enter. current cfg_iftype:%d new cfg_iftype:%d \n", ndev->name, ndev->ieee80211_ptr->iftype, type)); primary_ndev = bcmcfg_to_prmry_ndev(cfg); if (cfg80211_to_wl_iftype(type, &wl_iftype, &wl_mode) < 0) { WL_ERR(("Unknown role \n")); return -EINVAL; } mutex_lock(&cfg->if_sync); netinfo = wl_get_netinfo_by_wdev(cfg, ndev->ieee80211_ptr); if (unlikely(!netinfo)) { #ifdef WL_STATIC_IF if (IS_CFG80211_STATIC_IF(cfg, ndev)) { /* Incase of static interfaces, the netinfo will be * allocated only when FW interface is initialized. So * store the value and use it during initialization. */ WL_INFORM_MEM(("skip change vif for static if\n")); ndev->ieee80211_ptr->iftype = type; err = BCME_OK; } else #endif /* WL_STATIC_IF */ { WL_ERR(("netinfo not found \n")); err = -ENODEV; } goto fail; } /* perform pre-if-change tasks */ wl_cfg80211_iface_state_ops(ndev->ieee80211_ptr, WL_IF_CHANGE_REQ, wl_iftype, wl_mode); switch (type) { case NL80211_IFTYPE_ADHOC: infra = 0; break; case NL80211_IFTYPE_STATION: /* Supplicant sets iftype to STATION while removing p2p GO */ if (ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) { /* Downgrading P2P GO */ err = wl_cfg80211_change_p2prole(wiphy, ndev, type); if (unlikely(err)) { WL_ERR(("P2P downgrade failed \n")); } } else if (ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) { /* Downgrade role from AP to STA */ if ((err = wl_cfg80211_add_del_bss(cfg, ndev, netinfo->bssidx, wl_iftype, 0, NULL)) < 0) { WL_ERR(("AP-STA Downgrade failed \n")); goto fail; } } break; case NL80211_IFTYPE_AP: /* intentional fall through */ case NL80211_IFTYPE_AP_VLAN: { if (!wl_get_drv_status(cfg, AP_CREATED, ndev) && wl_get_drv_status(cfg, READY, ndev)) { err = wl_cfg80211_set_ap_role(cfg, ndev); if (unlikely(err)) { WL_ERR(("set ap role failed!\n")); goto fail; } } else { WL_INFORM_MEM(("AP_CREATED bit set. Skip role change\n")); } break; } case NL80211_IFTYPE_P2P_GO: /* Intentional fall through */ case NL80211_IFTYPE_P2P_CLIENT: infra = 1; err = wl_cfg80211_change_p2prole(wiphy, ndev, type); break; case NL80211_IFTYPE_MONITOR: case NL80211_IFTYPE_WDS: case NL80211_IFTYPE_MESH_POINT: /* Intentional fall through */ default: WL_ERR(("Unsupported type:%d \n", type)); err = -EINVAL; goto fail; } if (wl_get_drv_status(cfg, READY, ndev)) { err = wldev_ioctl_set(ndev, WLC_SET_INFRA, &infra, sizeof(s32)); if (err < 0) { WL_ERR(("SET INFRA/IBSS error %d\n", err)); goto fail; } } wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr, WL_IF_CHANGE_DONE, wl_iftype, wl_mode); /* Update new iftype in relevant structures */ ndev->ieee80211_ptr->iftype = type; netinfo->iftype = wl_iftype; WL_INFORM_MEM(("[%s] cfg_iftype changed to %d\n", ndev->name, type)); #ifdef WL_EXT_IAPSTA wl_ext_iapsta_update_iftype(ndev, netinfo->ifidx, wl_iftype); #endif fail: if (err) { wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL); } mutex_unlock(&cfg->if_sync); return err; } s32 wl_cfg80211_notify_ifadd(struct net_device *dev, int ifidx, char *name, uint8 *mac, uint8 bssidx, uint8 role) { bool ifadd_expected = FALSE; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); bool bss_pending_op = TRUE; /* P2P may send WLC_E_IF_ADD and/or WLC_E_IF_CHANGE during IF updating ("p2p_ifupd") * redirect the IF_ADD event to ifchange as it is not a real "new" interface */ if (wl_get_p2p_status(cfg, IF_CHANGING)) return wl_cfg80211_notify_ifchange(dev, ifidx, name, mac, bssidx); /* Okay, we are expecting IF_ADD (as IF_ADDING is true) */ if (wl_get_p2p_status(cfg, IF_ADDING)) { ifadd_expected = TRUE; wl_clr_p2p_status(cfg, IF_ADDING); } else if (cfg->bss_pending_op) { ifadd_expected = TRUE; bss_pending_op = FALSE; } if (ifadd_expected) { wl_if_event_info *if_event_info = &cfg->if_event_info; if_event_info->valid = TRUE; if_event_info->ifidx = ifidx; if_event_info->bssidx = bssidx; if_event_info->role = role; strlcpy(if_event_info->name, name, sizeof(if_event_info->name)); if_event_info->name[IFNAMSIZ - 1] = '\0'; if (mac) memcpy(if_event_info->mac, mac, ETHER_ADDR_LEN); /* Update bss pendig operation status */ if (!bss_pending_op) { cfg->bss_pending_op = FALSE; } WL_INFORM_MEM(("IF_ADD ifidx:%d bssidx:%d role:%d\n", ifidx, bssidx, role)); OSL_SMP_WMB(); wake_up_interruptible(&cfg->netif_change_event); return BCME_OK; } return BCME_ERROR; } s32 wl_cfg80211_notify_ifdel(struct net_device *dev, int ifidx, char *name, uint8 *mac, uint8 bssidx) { bool ifdel_expected = FALSE; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); wl_if_event_info *if_event_info = &cfg->if_event_info; bool bss_pending_op = TRUE; if (wl_get_p2p_status(cfg, IF_DELETING)) { ifdel_expected = TRUE; wl_clr_p2p_status(cfg, IF_DELETING); } else if (cfg->bss_pending_op) { ifdel_expected = TRUE; bss_pending_op = FALSE; } if (ifdel_expected) { if_event_info->valid = TRUE; if_event_info->ifidx = ifidx; if_event_info->bssidx = bssidx; /* Update bss pendig operation status */ if (!bss_pending_op) { cfg->bss_pending_op = FALSE; } WL_INFORM_MEM(("IF_DEL ifidx:%d bssidx:%d\n", ifidx, bssidx)); OSL_SMP_WMB(); wake_up_interruptible(&cfg->netif_change_event); return BCME_OK; } return BCME_ERROR; } s32 wl_cfg80211_notify_ifchange(struct net_device * dev, int ifidx, char *name, uint8 *mac, uint8 bssidx) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); if (wl_get_p2p_status(cfg, IF_CHANGING)) { wl_set_p2p_status(cfg, IF_CHANGED); OSL_SMP_WMB(); wake_up_interruptible(&cfg->netif_change_event); return BCME_OK; } return BCME_ERROR; } static s32 wl_set_rts(struct net_device *dev, u32 rts_threshold) { s32 err = 0; err = wldev_iovar_setint(dev, "rtsthresh", rts_threshold); if (unlikely(err)) { WL_ERR(("Error (%d)\n", err)); return err; } return err; } static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold) { s32 err = 0; err = wldev_iovar_setint_bsscfg(dev, "fragthresh", frag_threshold, 0); if (unlikely(err)) { WL_ERR(("Error (%d)\n", err)); return err; } return err; } static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l) { s32 err = 0; u32 cmd = (l ? WLC_SET_LRL : WLC_SET_SRL); #ifdef CUSTOM_LONG_RETRY_LIMIT if ((cmd == WLC_SET_LRL) && (retry != CUSTOM_LONG_RETRY_LIMIT)) { WL_DBG(("CUSTOM_LONG_RETRY_LIMIT is used.Ignore configuration")); return err; } #endif /* CUSTOM_LONG_RETRY_LIMIT */ retry = htod32(retry); err = wldev_ioctl_set(dev, cmd, &retry, sizeof(retry)); if (unlikely(err)) { WL_ERR(("cmd (%d) , error (%d)\n", cmd, err)); return err; } return err; } static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) { struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)wiphy_priv(wiphy); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = 0; RETURN_EIO_IF_NOT_UP(cfg); WL_DBG(("Enter\n")); if (changed & WIPHY_PARAM_RTS_THRESHOLD && (cfg->conf->rts_threshold != wiphy->rts_threshold)) { cfg->conf->rts_threshold = wiphy->rts_threshold; err = wl_set_rts(ndev, cfg->conf->rts_threshold); if (err != BCME_OK) return err; } if (changed & WIPHY_PARAM_FRAG_THRESHOLD && (cfg->conf->frag_threshold != wiphy->frag_threshold)) { cfg->conf->frag_threshold = wiphy->frag_threshold; err = wl_set_frag(ndev, cfg->conf->frag_threshold); if (err != BCME_OK) return err; } if (changed & WIPHY_PARAM_RETRY_LONG && (cfg->conf->retry_long != wiphy->retry_long)) { cfg->conf->retry_long = wiphy->retry_long; err = wl_set_retry(ndev, cfg->conf->retry_long, true); if (err != BCME_OK) return err; } if (changed & WIPHY_PARAM_RETRY_SHORT && (cfg->conf->retry_short != wiphy->retry_short)) { cfg->conf->retry_short = wiphy->retry_short; err = wl_set_retry(ndev, cfg->conf->retry_short, false); if (err != BCME_OK) { return err; } } return err; } static chanspec_t channel_to_chanspec(struct wiphy *wiphy, struct net_device *dev, u32 channel, u32 bw_cap) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); u8 *buf = NULL; wl_uint32_list_t *list; int err = BCME_OK; chanspec_t c = 0, ret_c = 0; int bw = 0, tmp_bw = 0; int i; u32 tmp_c; #define LOCAL_BUF_SIZE 1024 buf = (u8 *)MALLOC(cfg->osh, LOCAL_BUF_SIZE); if (!buf) { WL_ERR(("buf memory alloc failed\n")); goto exit; } err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL, 0, buf, LOCAL_BUF_SIZE, 0, &cfg->ioctl_buf_sync); if (err != BCME_OK) { WL_ERR(("get chanspecs failed with %d\n", err)); goto exit; } list = (wl_uint32_list_t *)(void *)buf; for (i = 0; i < dtoh32(list->count); i++) { c = dtoh32(list->element[i]); if (channel <= CH_MAX_2G_CHANNEL) { if (!CHSPEC_IS20(c)) continue; if (channel == CHSPEC_CHANNEL(c)) { ret_c = c; bw = 20; goto exit; } } tmp_c = wf_chspec_ctlchan(c); tmp_bw = bw2cap[CHSPEC_BW(c) >> WL_CHANSPEC_BW_SHIFT]; if (tmp_c != channel) continue; if ((tmp_bw > bw) && (tmp_bw <= bw_cap)) { bw = tmp_bw; ret_c = c; if (bw == bw_cap) goto exit; } } exit: if (buf) { MFREE(cfg->osh, buf, LOCAL_BUF_SIZE); } #undef LOCAL_BUF_SIZE WL_DBG(("return chanspec %x %d\n", ret_c, bw)); return ret_c; } void wl_cfg80211_ibss_vsie_set_buffer(struct net_device *dev, vndr_ie_setbuf_t *ibss_vsie, int ibss_vsie_len) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); if (cfg != NULL && ibss_vsie != NULL) { if (cfg->ibss_vsie != NULL) { MFREE(cfg->osh, cfg->ibss_vsie, cfg->ibss_vsie_len); } cfg->ibss_vsie = ibss_vsie; cfg->ibss_vsie_len = ibss_vsie_len; } } static void wl_cfg80211_ibss_vsie_free(struct bcm_cfg80211 *cfg) { /* free & initiralize VSIE (Vendor Specific IE) */ if (cfg->ibss_vsie != NULL) { MFREE(cfg->osh, cfg->ibss_vsie, cfg->ibss_vsie_len); cfg->ibss_vsie_len = 0; } } s32 wl_cfg80211_ibss_vsie_delete(struct net_device *dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); char *ioctl_buf = NULL; s32 ret = BCME_OK, bssidx; if (cfg != NULL && cfg->ibss_vsie != NULL) { ioctl_buf = (char *)MALLOC(cfg->osh, WLC_IOCTL_MEDLEN); if (!ioctl_buf) { WL_ERR(("ioctl memory alloc failed\n")); return -ENOMEM; } if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find index failed\n")); ret = BCME_ERROR; goto end; } /* change the command from "add" to "del" */ strlcpy(cfg->ibss_vsie->cmd, "del", sizeof(cfg->ibss_vsie->cmd)); ret = wldev_iovar_setbuf_bsscfg(dev, "vndr_ie", cfg->ibss_vsie, cfg->ibss_vsie_len, ioctl_buf, WLC_IOCTL_MEDLEN, bssidx, NULL); WL_ERR(("ret=%d\n", ret)); if (ret == BCME_OK) { /* Free & initialize VSIE */ MFREE(cfg->osh, cfg->ibss_vsie, cfg->ibss_vsie_len); cfg->ibss_vsie_len = 0; } end: if (ioctl_buf) { MFREE(cfg->osh, ioctl_buf, WLC_IOCTL_MEDLEN); } } return ret; } #ifdef WLAIBSS_MCHAN static bcm_struct_cfgdev* bcm_cfg80211_add_ibss_if(struct wiphy *wiphy, char *name) { int err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wireless_dev* wdev = NULL; struct net_device *new_ndev = NULL; struct net_device *primary_ndev = NULL; long timeout; wl_aibss_if_t aibss_if; wl_if_event_info *event = NULL; if (cfg->ibss_cfgdev != NULL) { WL_ERR(("IBSS interface %s already exists\n", name)); return NULL; } WL_ERR(("Try to create IBSS interface %s\n", name)); primary_ndev = bcmcfg_to_prmry_ndev(cfg); /* generate a new MAC address for the IBSS interface */ get_primary_mac(cfg, &cfg->ibss_if_addr); cfg->ibss_if_addr.octet[4] ^= 0x40; bzero(&aibss_if, sizeof(aibss_if)); memcpy(&aibss_if.addr, &cfg->ibss_if_addr, sizeof(aibss_if.addr)); aibss_if.chspec = 0; aibss_if.len = sizeof(aibss_if); cfg->bss_pending_op = TRUE; bzero(&cfg->if_event_info, sizeof(cfg->if_event_info)); err = wldev_iovar_setbuf(primary_ndev, "aibss_ifadd", &aibss_if, sizeof(aibss_if), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (err) { WL_ERR(("IOVAR aibss_ifadd failed with error %d\n", err)); goto fail; } timeout = wait_event_interruptible_timeout(cfg->netif_change_event, !cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout <= 0 || cfg->bss_pending_op) goto fail; event = &cfg->if_event_info; /* By calling wl_cfg80211_allocate_if (dhd_allocate_if eventually) we give the control * over this net_device interface to dhd_linux, hence the interface is managed by dhd_liux * and will be freed by dhd_detach unless it gets unregistered before that. The * wireless_dev instance new_ndev->ieee80211_ptr associated with this net_device will * be freed by wl_dealloc_netinfo */ new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx, event->name, event->mac, event->bssidx, event->name); if (new_ndev == NULL) goto fail; wdev = (struct wireless_dev *)MALLOCZ(cfg->osh, sizeof(*wdev)); if (wdev == NULL) goto fail; wdev->wiphy = wiphy; wdev->iftype = NL80211_IFTYPE_ADHOC; wdev->netdev = new_ndev; new_ndev->ieee80211_ptr = wdev; SET_NETDEV_DEV(new_ndev, wiphy_dev(wdev->wiphy)); /* rtnl lock must have been acquired, if this is not the case, wl_cfg80211_register_if * needs to be modified to take one parameter (bool need_rtnl_lock) */ ASSERT_RTNL(); if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev, FALSE) != BCME_OK) goto fail; wl_alloc_netinfo(cfg, new_ndev, wdev, WL_IF_TYPE_IBSS, PM_ENABLE, event->bssidx, event->ifidx); cfg->ibss_cfgdev = ndev_to_cfgdev(new_ndev); WL_ERR(("IBSS interface %s created\n", new_ndev->name)); return cfg->ibss_cfgdev; fail: WL_ERR(("failed to create IBSS interface %s \n", name)); cfg->bss_pending_op = FALSE; if (new_ndev) wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, FALSE); if (wdev) { MFREE(cfg->osh, wdev, sizeof(*wdev)); } return NULL; } static s32 bcm_cfg80211_del_ibss_if(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev) { int err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = NULL; struct net_device *primary_ndev = NULL; long timeout; if (!cfgdev || cfg->ibss_cfgdev != cfgdev || ETHER_ISNULLADDR(&cfg->ibss_if_addr.octet)) return -EINVAL; ndev = (struct net_device *)cfgdev_to_ndev(cfg->ibss_cfgdev); primary_ndev = bcmcfg_to_prmry_ndev(cfg); cfg->bss_pending_op = TRUE; bzero(&cfg->if_event_info, sizeof(cfg->if_event_info)); err = wldev_iovar_setbuf(primary_ndev, "aibss_ifdel", &cfg->ibss_if_addr, sizeof(cfg->ibss_if_addr), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (err) { WL_ERR(("IOVAR aibss_ifdel failed with error %d\n", err)); goto fail; } timeout = wait_event_interruptible_timeout(cfg->netif_change_event, !cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout <= 0 || cfg->bss_pending_op) { WL_ERR(("timeout in waiting IF_DEL event\n")); goto fail; } wl_cfg80211_remove_if(cfg, cfg->if_event_info.ifidx, ndev, FALSE); cfg->ibss_cfgdev = NULL; return 0; fail: cfg->bss_pending_op = FALSE; return -1; } #endif /* WLAIBSS_MCHAN */ s32 wl_cfg80211_to_fw_iftype(wl_iftype_t iftype) { s32 ret = BCME_ERROR; switch (iftype) { case WL_IF_TYPE_AP: ret = WL_INTERFACE_TYPE_AP; break; case WL_IF_TYPE_STA: ret = WL_INTERFACE_TYPE_STA; break; case WL_IF_TYPE_NAN_NMI: case WL_IF_TYPE_NAN: ret = WL_INTERFACE_TYPE_NAN; break; case WL_IF_TYPE_P2P_DISC: ret = WL_INTERFACE_TYPE_P2P_DISC; break; case WL_IF_TYPE_P2P_GO: ret = WL_INTERFACE_TYPE_P2P_GO; break; case WL_IF_TYPE_P2P_GC: ret = WL_INTERFACE_TYPE_P2P_GC; break; default: WL_ERR(("Unsupported type:%d \n", iftype)); ret = -EINVAL; break; } return ret; } bool wl_legacy_chip_check(struct bcm_cfg80211 *cfg) { dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); uint chip; chip = dhd_conf_get_chip(dhd); if (chip == BCM43362_CHIP_ID || chip == BCM4330_CHIP_ID || chip == BCM43430_CHIP_ID || chip == BCM43012_CHIP_ID || chip == BCM4334_CHIP_ID || chip == BCM43340_CHIP_ID || chip == BCM43341_CHIP_ID || chip == BCM4324_CHIP_ID || chip == BCM4335_CHIP_ID || chip == BCM4339_CHIP_ID || chip == BCM4345_CHIP_ID || chip == BCM43454_CHIP_ID || chip == BCM4354_CHIP_ID || chip == BCM4356_CHIP_ID || chip == BCM4371_CHIP_ID || chip == BCM4359_CHIP_ID || chip == BCM43143_CHIP_ID || chip == BCM43242_CHIP_ID || chip == BCM43569_CHIP_ID) { return true; } return false; } s32 wl_cfg80211_interface_ops(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bsscfg_idx, wl_iftype_t cfg_iftype, s32 del, u8 *addr) { s32 ret; struct wl_interface_create_v2 iface; wl_interface_create_v3_t iface_v3; wl_interface_create_t iface_v0; struct wl_interface_info_v1 *info; wl_interface_info_v2_t *info_v2; wl_interface_info_t *info_v0; uint32 ifflags = 0; bool use_iface_info_v2 = false; u8 ioctl_buf[WLC_IOCTL_SMLEN]; s32 iftype; if (del) { ret = wldev_iovar_setbuf(ndev, "interface_remove", NULL, 0, ioctl_buf, sizeof(ioctl_buf), NULL); if (unlikely(ret)) WL_ERR(("Interface remove failed!! ret %d\n", ret)); return ret; } /* Interface create */ bzero(&iface, sizeof(iface)); /* * flags field is still used along with iftype inorder to support the old version of the * FW work with the latest app changes. */ iftype = wl_cfg80211_to_fw_iftype(cfg_iftype); if (iftype < 0) { return -ENOTSUPP; } if (addr) { ifflags |= WL_INTERFACE_MAC_USE; } /* Pass ver = 0 for fetching the interface_create iovar version */ if (wl_legacy_chip_check(cfg)) { bzero(&iface_v0, sizeof(iface_v0)); iface_v0.ver = WL_INTERFACE_CREATE_VER; iface_v0.flags = iftype | ifflags; if (addr) { memcpy(&iface_v0.mac_addr.octet, addr, ETH_ALEN); } ret = wldev_iovar_getbuf(ndev, "interface_create", &iface_v0, sizeof(struct wl_interface_create), ioctl_buf, sizeof(ioctl_buf), NULL); if (ret == 0) { info_v0 = (wl_interface_info_t *)ioctl_buf; ret = info_v0->bsscfgidx; goto exit; } } else { ret = wldev_iovar_getbuf(ndev, "interface_create", &iface, sizeof(struct wl_interface_create_v2), ioctl_buf, sizeof(ioctl_buf), NULL); } if (ret == BCME_UNSUPPORTED) { WL_ERR(("interface_create iovar not supported\n")); return ret; } else if ((ret == 0) && *((uint32 *)ioctl_buf) == WL_INTERFACE_CREATE_VER_3) { WL_DBG(("interface_create version 3. flags:0x%x \n", ifflags)); use_iface_info_v2 = true; bzero(&iface_v3, sizeof(wl_interface_create_v3_t)); iface_v3.ver = WL_INTERFACE_CREATE_VER_3; iface_v3.iftype = iftype; iface_v3.flags = ifflags; if (addr) { memcpy(&iface_v3.mac_addr.octet, addr, ETH_ALEN); } ret = wldev_iovar_getbuf(ndev, "interface_create", &iface_v3, sizeof(wl_interface_create_v3_t), ioctl_buf, sizeof(ioctl_buf), NULL); } else { /* On any other error, attempt with iovar version 2 */ WL_DBG(("interface_create version 2. get_ver:%d ifflags:0x%x\n", ret, ifflags)); iface.ver = WL_INTERFACE_CREATE_VER_2; iface.iftype = iftype; iface.flags = ifflags; if (addr) { memcpy(&iface.mac_addr.octet, addr, ETH_ALEN); } ret = wldev_iovar_getbuf(ndev, "interface_create", &iface, sizeof(struct wl_interface_create_v2), ioctl_buf, sizeof(ioctl_buf), NULL); } if (unlikely(ret)) { WL_ERR(("Interface create failed!! ret %d\n", ret)); return ret; } /* success case */ if (use_iface_info_v2 == true) { info_v2 = (wl_interface_info_v2_t *)ioctl_buf; ret = info_v2->bsscfgidx; } else { /* Use v1 struct */ info = (struct wl_interface_info_v1 *)ioctl_buf; ret = info->bsscfgidx; } exit: WL_DBG(("wl interface create success!! bssidx:%d \n", ret)); return ret; } s32 wl_cfg80211_add_del_bss(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bsscfg_idx, wl_iftype_t brcm_iftype, s32 del, u8 *addr) { s32 ret = BCME_OK; s32 val = 0; struct { s32 cfg; s32 val; struct ether_addr ea; } bss_setbuf; WL_DBG(("wl_iftype:%d del:%d \n", brcm_iftype, del)); bzero(&bss_setbuf, sizeof(bss_setbuf)); /* AP=2, STA=3, up=1, down=0, val=-1 */ if (del) { val = WLC_AP_IOV_OP_DELETE; } else if (brcm_iftype == WL_IF_TYPE_AP) { /* Add/role change to AP Interface */ WL_DBG(("Adding AP Interface \n")); val = WLC_AP_IOV_OP_MANUAL_AP_BSSCFG_CREATE; } else if (brcm_iftype == WL_IF_TYPE_STA) { /* Add/role change to STA Interface */ WL_DBG(("Adding STA Interface \n")); val = WLC_AP_IOV_OP_MANUAL_STA_BSSCFG_CREATE; } else { WL_ERR((" add_del_bss NOT supported for IFACE type:0x%x", brcm_iftype)); return -EINVAL; } if (!del) { wl_ext_bss_iovar_war(ndev, &val); } bss_setbuf.cfg = htod32(bsscfg_idx); bss_setbuf.val = htod32(val); if (addr) { memcpy(&bss_setbuf.ea.octet, addr, ETH_ALEN); } WL_MSG(ndev->name, "wl bss %d bssidx:%d\n", val, bsscfg_idx); ret = wldev_iovar_setbuf(ndev, "bss", &bss_setbuf, sizeof(bss_setbuf), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (ret != 0) WL_ERR(("'bss %d' failed with %d\n", val, ret)); return ret; } s32 wl_cfg80211_bss_up(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bsscfg_idx, s32 bss_up) { s32 ret = BCME_OK; s32 val = bss_up ? 1 : 0; struct { s32 cfg; s32 val; } bss_setbuf; bss_setbuf.cfg = htod32(bsscfg_idx); bss_setbuf.val = htod32(val); WL_INFORM_MEM(("wl bss -C %d %s\n", bsscfg_idx, bss_up ? "up" : "down")); ret = wldev_iovar_setbuf(ndev, "bss", &bss_setbuf, sizeof(bss_setbuf), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (ret != 0) { WL_ERR(("'bss %d' failed with %d\n", bss_up, ret)); } return ret; } bool wl_cfg80211_bss_isup(struct net_device *ndev, int bsscfg_idx) { s32 result, val; bool isup = false; s8 getbuf[64]; /* Check if the BSS is up */ *(int*)getbuf = -1; result = wldev_iovar_getbuf_bsscfg(ndev, "bss", &bsscfg_idx, sizeof(bsscfg_idx), getbuf, sizeof(getbuf), 0, NULL); if (result != 0) { WL_ERR(("'cfg bss -C %d' failed: %d\n", bsscfg_idx, result)); WL_ERR(("NOTE: this ioctl error is normal " "when the BSS has not been created yet.\n")); } else { val = *(int*)getbuf; val = dtoh32(val); WL_DBG(("wl bss -C %d = %d\n", bsscfg_idx, val)); isup = (val ? TRUE : FALSE); } return isup; } s32 wl_iftype_to_mode(wl_iftype_t iftype) { s32 mode = BCME_ERROR; switch (iftype) { case WL_IF_TYPE_STA: case WL_IF_TYPE_P2P_GC: case WL_IF_TYPE_P2P_DISC: mode = WL_MODE_BSS; break; case WL_IF_TYPE_AP: case WL_IF_TYPE_P2P_GO: mode = WL_MODE_AP; break; case WL_IF_TYPE_NAN: mode = WL_MODE_NAN; break; case WL_IF_TYPE_AIBSS: /* Intentional fall through */ case WL_IF_TYPE_IBSS: mode = WL_MODE_IBSS; break; #ifdef WLMESH_CFG80211 case WL_IF_TYPE_MESH: mode = WL_MODE_MESH; break; #endif /* WLMESH_CFG80211 */ default: WL_ERR(("Unsupported type:%d\n", iftype)); break; } return mode; } s32 cfg80211_to_wl_iftype(uint16 type, uint16 *role, uint16 *mode) { switch (type) { case NL80211_IFTYPE_STATION: *role = WL_IF_TYPE_STA; *mode = WL_MODE_BSS; break; case NL80211_IFTYPE_AP: *role = WL_IF_TYPE_AP; *mode = WL_MODE_AP; break; #ifdef WL_CFG80211_P2P_DEV_IF case NL80211_IFTYPE_P2P_DEVICE: *role = WL_IF_TYPE_P2P_DISC; *mode = WL_MODE_BSS; break; #endif /* WL_CFG80211_P2P_DEV_IF */ case NL80211_IFTYPE_P2P_GO: *role = WL_IF_TYPE_P2P_GO; *mode = WL_MODE_AP; break; case NL80211_IFTYPE_P2P_CLIENT: *role = WL_IF_TYPE_P2P_GC; *mode = WL_MODE_BSS; break; case NL80211_IFTYPE_MONITOR: WL_ERR(("Unsupported mode \n")); return BCME_UNSUPPORTED; case NL80211_IFTYPE_ADHOC: *role = WL_IF_TYPE_IBSS; *mode = WL_MODE_IBSS; break; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)) case NL80211_IFTYPE_NAN: *role = WL_IF_TYPE_NAN; *mode = WL_MODE_NAN; break; #endif // endif #ifdef WLMESH_CFG80211 case NL80211_IFTYPE_MESH_POINT: *role = WLC_E_IF_ROLE_AP; *mode = WL_MODE_MESH; break; #endif /* WLMESH_CFG80211 */ default: WL_ERR(("Unknown interface type:0x%x\n", type)); return BCME_ERROR; } return BCME_OK; } static s32 wl_role_to_cfg80211_type(uint16 role, uint16 *wl_iftype, uint16 *mode) { switch (role) { case WLC_E_IF_ROLE_STA: *wl_iftype = WL_IF_TYPE_STA; *mode = WL_MODE_BSS; return NL80211_IFTYPE_STATION; case WLC_E_IF_ROLE_AP: *wl_iftype = WL_IF_TYPE_AP; *mode = WL_MODE_AP; return NL80211_IFTYPE_AP; case WLC_E_IF_ROLE_P2P_GO: *wl_iftype = WL_IF_TYPE_P2P_GO; *mode = WL_MODE_AP; return NL80211_IFTYPE_P2P_GO; case WLC_E_IF_ROLE_P2P_CLIENT: *wl_iftype = WL_IF_TYPE_P2P_GC; *mode = WL_MODE_BSS; return NL80211_IFTYPE_P2P_CLIENT; case WLC_E_IF_ROLE_IBSS: *wl_iftype = WL_IF_TYPE_IBSS; *mode = WL_MODE_IBSS; return NL80211_IFTYPE_ADHOC; case WLC_E_IF_ROLE_NAN: *wl_iftype = WL_IF_TYPE_NAN; *mode = WL_MODE_NAN; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)) && defined(WL_CFG80211_NAN) /* NL80211_IFTYPE_NAN should only be used with CFG80211 NAN MGMT * For Vendor HAL based NAN implementation, continue advertising * as a STA interface */ return NL80211_IFTYPE_NAN; #else return NL80211_IFTYPE_STATION; #endif /* ((LINUX_VER >= KERNEL_VERSION(4, 9, 0))) && WL_CFG80211_NAN */ #ifdef WLDWDS case WLC_E_IF_ROLE_WDS: *wl_iftype = WL_IF_TYPE_AP; *mode = WL_MODE_AP; return NL80211_IFTYPE_AP; #endif #ifdef WLMESH_CFG80211 case WLC_E_IF_ROLE_MESH: *wl_iftype = WL_IF_TYPE_MESH; *mode = WL_MODE_MESH; return NL80211_IFTYPE_MESH_POINT; #endif /* WLMESH_CFG80211 */ default: WL_ERR(("Unknown interface role:0x%x. Forcing type station\n", role)); return BCME_ERROR; } } struct net_device * wl_cfg80211_post_ifcreate(struct net_device *ndev, wl_if_event_info *event, u8 *addr, const char *name, bool rtnl_lock_reqd) { struct bcm_cfg80211 *cfg; struct net_device *primary_ndev; struct net_device *new_ndev = NULL; struct wireless_dev *wdev = NULL; s32 iface_type; s32 ret = BCME_OK; u16 mode; u8 mac_addr[ETH_ALEN]; u16 wl_iftype; if (!ndev || !event) { WL_ERR(("Wrong arg\n")); return NULL; } cfg = wl_get_cfg(ndev); if (!cfg) { WL_ERR(("cfg null\n")); return NULL; } WL_DBG(("Enter. role:%d ifidx:%d bssidx:%d\n", event->role, event->ifidx, event->bssidx)); if (!event->ifidx || !event->bssidx) { /* Fw returned primary idx (0) for virtual interface */ WL_ERR(("Wrong index. ifidx:%d bssidx:%d \n", event->ifidx, event->bssidx)); return NULL; } #if defined(WLMESH_CFG80211) && defined(WL_EXT_IAPSTA) if (wl_ext_iapsta_mesh_creating(ndev)) { event->role = WLC_E_IF_ROLE_MESH; WL_MSG(ndev->name, "change role to WLC_E_IF_ROLE_MESH\n"); } #endif /* WLMESH_CFG80211 && WL_EXT_IAPSTA */ iface_type = wl_role_to_cfg80211_type(event->role, &wl_iftype, &mode); if (iface_type < 0) { /* Unknown iface type */ WL_ERR(("Wrong iface type \n")); return NULL; } WL_DBG(("mac_ptr:%p name:%s role:%d nl80211_iftype:%d " MACDBG "\n", addr, name, event->role, iface_type, MAC2STRDBG(event->mac))); if (!name) { /* If iface name is not provided, use dongle ifname */ name = event->name; } if (!addr) { /* If mac address is not set, use primary mac with locally administered * bit set. */ primary_ndev = bcmcfg_to_prmry_ndev(cfg); memcpy(mac_addr, primary_ndev->dev_addr, ETH_ALEN); /* For customer6 builds, use primary mac address for virtual interface */ mac_addr[0] |= 0x02; addr = mac_addr; } #ifdef WL_STATIC_IF if (IS_CFG80211_STATIC_IF_NAME(cfg, name)) { new_ndev = wl_cfg80211_post_static_ifcreate(cfg, event, addr, iface_type); if (!new_ndev) { WL_ERR(("failed to get I/F pointer\n")); return NULL; } wdev = new_ndev->ieee80211_ptr; } else #endif /* WL_STATIC_IF */ { new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx, name, addr, event->bssidx, event->name); if (!new_ndev) { WL_ERR(("I/F allocation failed! \n")); return NULL; } else { WL_DBG(("I/F allocation succeeded! ifidx:0x%x bssidx:0x%x \n", event->ifidx, event->bssidx)); } wdev = (struct wireless_dev *)MALLOCZ(cfg->osh, sizeof(*wdev)); if (!wdev) { WL_ERR(("wireless_dev alloc failed! \n")); wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd); return NULL; } wdev->wiphy = bcmcfg_to_wiphy(cfg); wdev->iftype = iface_type; new_ndev->ieee80211_ptr = wdev; #ifdef WLDWDS /* set wds0.x to 4addr interface here */ if (event->role == WLC_E_IF_ROLE_WDS) { printf("\n\n\n event->role == WLC_E_IF_ROLE_WDS, set vwdev 4addr to %s\n", event->name); wdev->use_4addr = true; } #endif /* WLDWDS */ SET_NETDEV_DEV(new_ndev, wiphy_dev(wdev->wiphy)); memcpy(new_ndev->dev_addr, addr, ETH_ALEN); #ifdef WL_EXT_IAPSTA wl_ext_iapsta_ifadding(new_ndev, event->ifidx); #endif /* WL_EXT_IAPSTA */ if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd) != BCME_OK) { WL_ERR(("IFACE register failed \n")); /* Post interface registration, wdev would be freed from the netdev * destructor path. For other cases, handle it here. */ MFREE(cfg->osh, wdev, sizeof(*wdev)); wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd); return NULL; } } /* Initialize with the station mode params */ ret = wl_alloc_netinfo(cfg, new_ndev, wdev, wl_iftype, PM_ENABLE, event->bssidx, event->ifidx); if (unlikely(ret)) { WL_ERR(("wl_alloc_netinfo Error (%d)\n", ret)); goto fail; } /* Apply the mode & infra setting based on iftype */ if ((ret = wl_config_infra(cfg, new_ndev, wl_iftype)) < 0) { WL_ERR(("config ifmode failure (%d)\n", ret)); goto fail; } if (mode == WL_MODE_AP) { wl_set_drv_status(cfg, AP_CREATING, new_ndev); } #ifdef WL_EXT_IAPSTA wl_ext_iapsta_update_iftype(new_ndev, event->ifidx, wl_iftype); #endif WL_INFORM_MEM(("Network Interface (%s) registered with host." " cfg_iftype:%d wl_role:%d " MACDBG "\n", new_ndev->name, iface_type, event->role, MAC2STRDBG(new_ndev->dev_addr))); #ifdef SUPPORT_SET_CAC wl_cfg80211_set_cac(cfg, 0); #endif /* SUPPORT_SET_CAC */ return new_ndev; fail: #ifdef WL_STATIC_IF /* remove static if from iflist */ if (IS_CFG80211_STATIC_IF_NAME(cfg, name)) { cfg->static_ndev_state = NDEV_STATE_FW_IF_FAILED; wl_cfg80211_update_iflist_info(cfg, new_ndev, WL_STATIC_IFIDX, addr, event->bssidx, event->name, NDEV_STATE_FW_IF_FAILED); } #endif /* WL_STATIC_IF */ if (new_ndev) { /* wdev would be freed from netdev destructor call back */ wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd); } return NULL; } s32 wl_cfg80211_delete_iface(struct bcm_cfg80211 *cfg, wl_iftype_t sec_data_if_type) { struct net_info *iter, *next; struct net_device *primary_ndev; s32 ret = BCME_OK; uint8 i = 0; BCM_REFERENCE(i); BCM_REFERENCE(ret); /* Note: This function will clean up only the network interface and host * data structures. The firmware interface clean up will happen in the * during chip reset (ifconfig wlan0 down for built-in drivers/rmmod * context for the module case). */ primary_ndev = bcmcfg_to_prmry_ndev(cfg); WL_DBG(("Enter, deleting iftype %s\n", wl_iftype_to_str(sec_data_if_type))); GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev && (iter->ndev != primary_ndev)) { if (iter->iftype != sec_data_if_type) { continue; } switch (sec_data_if_type) { case WL_IF_TYPE_P2P_GO: case WL_IF_TYPE_P2P_GC: { ret = _wl_cfg80211_del_if(cfg, iter->ndev, NULL, iter->ndev->name); break; } #ifdef WL_NAN case WL_IF_TYPE_NAN: { if (cfg->nan_enable == false) { WL_INFORM_MEM(("Nan is not active," " ignore NDI delete\n")); } else { ret = wl_cfgnan_delete_ndp(cfg, iter->ndev); } break; } #endif /* WL_NAN */ case WL_IF_TYPE_AP: { /* Cleanup AP */ #ifdef WL_STATIC_IF /* handle static ap */ if (IS_CFG80211_STATIC_IF(cfg, iter->ndev)) { dev_close(iter->ndev); } else #endif /* WL_STATIC_IF */ { /* handle virtual created AP */ ret = _wl_cfg80211_del_if(cfg, iter->ndev, NULL, iter->ndev->name); } break; } default: { WL_ERR(("Unsupported interface type\n")); ret = -ENOTSUPP; goto fail; } } } } fail: return ret; } void wl_cfg80211_cleanup_virtual_ifaces(struct bcm_cfg80211 *cfg, bool rtnl_lock_reqd) { struct net_info *iter, *next; struct net_device *primary_ndev; /* Note: This function will clean up only the network interface and host * data structures. The firmware interface clean up will happen in the * during chip reset (ifconfig wlan0 down for built-in drivers/rmmod * context for the module case). */ primary_ndev = bcmcfg_to_prmry_ndev(cfg); WL_DBG(("Enter\n")); GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev && (iter->ndev != primary_ndev)) { /* Ensure interfaces are down before deleting */ #ifdef WL_STATIC_IF /* Avoiding cleaning static ifaces */ if (!IS_CFG80211_STATIC_IF(cfg, iter->ndev)) #endif /* WL_STATIC_IF */ { dev_close(iter->ndev); WL_DBG(("Cleaning up iface:%s \n", iter->ndev->name)); wl_cfg80211_post_ifdel(iter->ndev, rtnl_lock_reqd, 0); } } } } s32 wl_cfg80211_post_ifdel(struct net_device *ndev, bool rtnl_lock_reqd, s32 ifidx) { s32 ret = BCME_OK; struct bcm_cfg80211 *cfg; struct net_info *netinfo = NULL; if (!ndev || !ndev->ieee80211_ptr) { /* No wireless dev done for this interface */ ret = -EINVAL; goto exit; } cfg = wl_get_cfg(ndev); if (!cfg) { WL_ERR(("cfg null\n")); ret = BCME_ERROR; goto exit; } if (ifidx <= 0) { WL_ERR(("Invalid IF idx for iface:%s\n", ndev->name)); ifidx = dhd_net2idx(((struct dhd_pub *)(cfg->pub))->info, ndev); BCM_REFERENCE(ifidx); if (ifidx <= 0) { ASSERT(0); ret = BCME_ERROR; goto exit; } } if ((netinfo = wl_get_netinfo_by_wdev(cfg, ndev_to_wdev(ndev))) == NULL) { WL_ERR(("Find netinfo from wdev %p failed\n", ndev_to_wdev(ndev))); ret = -ENODEV; goto exit; } #ifdef WL_STATIC_IF if (IS_CFG80211_STATIC_IF(cfg, ndev)) { ret = wl_cfg80211_post_static_ifdel(cfg, ndev); } else #endif /* WL_STATIC_IF */ { WL_INFORM_MEM(("[%s] cfg80211_remove_if ifidx:%d, vif_count:%d\n", ndev->name, ifidx, cfg->vif_count)); wl_cfg80211_remove_if(cfg, ifidx, ndev, rtnl_lock_reqd); cfg->bss_pending_op = FALSE; } #ifdef SUPPORT_SET_CAC wl_cfg80211_set_cac(cfg, 1); #endif /* SUPPORT_SET_CAC */ exit: return ret; } int wl_cfg80211_deinit_p2p_discovery(struct bcm_cfg80211 *cfg) { s32 ret = BCME_OK; bcm_struct_cfgdev *cfgdev; if (cfg->p2p) { /* De-initialize the p2p discovery interface, if operational */ WL_ERR(("Disabling P2P Discovery Interface \n")); #ifdef WL_CFG80211_P2P_DEV_IF cfgdev = bcmcfg_to_p2p_wdev(cfg); #else cfgdev = cfg->p2p_net; #endif // endif if (cfgdev) { ret = wl_cfg80211_scan_stop(cfg, cfgdev); if (unlikely(ret < 0)) { CFGP2P_ERR(("P2P scan stop failed, ret=%d\n", ret)); } } wl_cfgp2p_disable_discovery(cfg); wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE) = 0; p2p_on(cfg) = false; } return ret; } /* Create a Generic Network Interface and initialize it depending up on * the interface type */ struct wireless_dev * wl_cfg80211_create_iface(struct wiphy *wiphy, wl_iftype_t wl_iftype, u8 *mac_addr, const char *name) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *new_ndev = NULL; struct net_device *primary_ndev = NULL; s32 ret = BCME_OK; s32 bsscfg_idx = 0; long timeout; wl_if_event_info *event = NULL; u8 addr[ETH_ALEN]; struct net_info *iter, *next; WL_DBG(("Enter\n")); if (!name) { WL_ERR(("Interface name not provided\n")); return NULL; } else { GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev) { if (strncmp(iter->ndev->name, name, strlen(name)) == 0) { WL_ERR(("Interface name,%s exists!\n", iter->ndev->name)); return NULL; } } } } primary_ndev = bcmcfg_to_prmry_ndev(cfg); if (likely(!mac_addr)) { /* Use primary MAC with the locally administered bit for the * Secondary STA I/F */ memcpy(addr, primary_ndev->dev_addr, ETH_ALEN); addr[0] |= 0x02; } else { /* Use the application provided mac address (if any) */ memcpy(addr, mac_addr, ETH_ALEN); } cfg->bss_pending_op = TRUE; bzero(&cfg->if_event_info, sizeof(cfg->if_event_info)); /* * Intialize the firmware I/F. */ { ret = wl_cfg80211_interface_ops(cfg, primary_ndev, bsscfg_idx, wl_iftype, 0, addr); } if (ret == BCME_UNSUPPORTED) { /* Use bssidx 1 by default */ bsscfg_idx = 1; if ((ret = wl_cfg80211_add_del_bss(cfg, primary_ndev, bsscfg_idx, wl_iftype, 0, addr)) < 0) { goto exit; } } else if (ret < 0) { WL_ERR(("Interface create failed!! ret:%d \n", ret)); goto exit; } else { /* Success */ bsscfg_idx = ret; } WL_DBG(("Interface created!! bssidx:%d \n", bsscfg_idx)); /* * Wait till the firmware send a confirmation event back. */ WL_DBG(("Wait for the FW I/F Event\n")); timeout = wait_event_interruptible_timeout(cfg->netif_change_event, !cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout <= 0 || cfg->bss_pending_op) { WL_ERR(("ADD_IF event, didn't come. Return. timeout:%lu bss_pending_op:%d\n", timeout, cfg->bss_pending_op)); if (timeout == -ERESTARTSYS) { WL_ERR(("waitqueue was interrupted by a signal, returns -ERESTARTSYS\n")); } goto exit; } event = &cfg->if_event_info; /* * Since FW operation is successful,we can go ahead with the * the host interface creation. */ new_ndev = wl_cfg80211_post_ifcreate(primary_ndev, event, addr, name, false); if (new_ndev) { /* Iface post ops successful. Return ndev/wdev ptr */ return new_ndev->ieee80211_ptr; } exit: cfg->bss_pending_op = FALSE; return NULL; } s32 wl_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = NULL; s32 ret = BCME_OK; s32 bsscfg_idx = 1; long timeout; u16 wl_iftype; u16 wl_mode; WL_DBG(("Enter\n")); /* If any scan is going on, abort it */ if (wl_get_drv_status_all(cfg, SCANNING)) { WL_DBG(("Scan in progress. Aborting the scan!\n")); wl_cfg80211_cancel_scan(cfg); } bsscfg_idx = wl_get_bssidx_by_wdev(cfg, wdev); if (bsscfg_idx <= 0) { /* validate bsscfgidx */ WL_ERR(("Wrong bssidx! \n")); return -EINVAL; } /* Handle p2p iface */ if ((ret = wl_cfg80211_p2p_if_del(wiphy, wdev)) != BCME_NOTFOUND) { WL_DBG(("P2P iface del handled \n")); #ifdef SUPPORT_SET_CAC wl_cfg80211_set_cac(cfg, 1); #endif /* SUPPORT_SET_CAC */ return ret; } ndev = wdev->netdev; if (unlikely(!ndev)) { WL_ERR(("ndev null! \n")); return -EINVAL; } memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info)); if (cfg80211_to_wl_iftype(ndev->ieee80211_ptr->iftype, &wl_iftype, &wl_mode) < 0) { return -EINVAL; } WL_DBG(("del interface. bssidx:%d cfg_iftype:%d wl_iftype:%d", bsscfg_idx, ndev->ieee80211_ptr->iftype, wl_iftype)); /* Delete the firmware interface. "interface_remove" command * should go on the interface to be deleted */ if (wl_cfg80211_get_bus_state(cfg)) { WL_ERR(("Bus state is down: %d\n", __LINE__)); ret = BCME_DONGLE_DOWN; goto exit; } cfg->bss_pending_op = true; ret = wl_cfg80211_interface_ops(cfg, ndev, bsscfg_idx, wl_iftype, 1, NULL); if (ret == BCME_UNSUPPORTED) { if ((ret = wl_cfg80211_add_del_bss(cfg, ndev, bsscfg_idx, wl_iftype, true, NULL)) < 0) { WL_ERR(("DEL bss failed ret:%d \n", ret)); goto exit; } } else if ((ret == BCME_NOTAP) || (ret == BCME_NOTSTA)) { /* De-init sequence involving role downgrade not happened. * Do nothing and return error. The del command should be * retried. */ WL_ERR(("ifdel role mismatch:%d\n", ret)); ret = -EBADTYPE; goto exit; } else if (ret < 0) { WL_ERR(("Interface DEL failed ret:%d \n", ret)); goto exit; } timeout = wait_event_interruptible_timeout(cfg->netif_change_event, !cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout <= 0 || cfg->bss_pending_op) { WL_ERR(("timeout in waiting IF_DEL event\n")); /* The interface unregister will happen from wifi reset context */ ret = -ETIMEDOUT; /* fall through */ } exit: if (ret < 0) { WL_ERR(("iface del failed:%d\n", ret)); #ifdef WL_STATIC_IF if (IS_CFG80211_STATIC_IF(cfg, ndev)) { /* * For static interface, clean up the host data, * irrespective of fw status. For dynamic * interfaces it gets cleaned from dhd_stop context */ wl_cfg80211_post_static_ifdel(cfg, ndev); } #endif /* WL_STATIC_IF */ } else { ret = wl_cfg80211_post_ifdel(ndev, false, cfg->if_event_info.ifidx); if (unlikely(ret)) { WL_ERR(("post_ifdel failed\n")); } } cfg->bss_pending_op = false; return ret; } static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct cfg80211_bss *bss; struct ieee80211_channel *chan; struct wl_join_params join_params; int scan_suppress; struct cfg80211_ssid ssid; s32 scan_retry = 0; s32 err = 0; size_t join_params_size; chanspec_t chanspec = 0; u32 param[2] = {0, 0}; u32 bw_cap = 0; WL_TRACE(("In\n")); RETURN_EIO_IF_NOT_UP(cfg); WL_INFORM_MEM(("IBSS JOIN BSSID:" MACDBG "\n", MAC2STRDBG(params->bssid))); if (!params->ssid || params->ssid_len <= 0 || params->ssid_len > DOT11_MAX_SSID_LEN) { WL_ERR(("Invalid parameter\n")); return -EINVAL; } #if defined(WL_CFG80211_P2P_DEV_IF) chan = params->chandef.chan; #else chan = params->channel; #endif /* WL_CFG80211_P2P_DEV_IF */ if (chan) cfg->channel = ieee80211_frequency_to_channel(chan->center_freq); if (wl_get_drv_status(cfg, CONNECTED, dev)) { struct wlc_ssid *lssid = (struct wlc_ssid *)wl_read_prof(cfg, dev, WL_PROF_SSID); u8 *bssid = (u8 *)wl_read_prof(cfg, dev, WL_PROF_BSSID); u32 *channel = (u32 *)wl_read_prof(cfg, dev, WL_PROF_CHAN); if (!params->bssid || ((memcmp(params->bssid, bssid, ETHER_ADDR_LEN) == 0) && (memcmp(params->ssid, lssid->SSID, lssid->SSID_len) == 0) && (*channel == cfg->channel))) { WL_ERR(("Connection already existed to " MACDBG "\n", MAC2STRDBG((u8 *)wl_read_prof(cfg, dev, WL_PROF_BSSID)))); return -EISCONN; } WL_ERR(("Ignore Previous connecton to %s (" MACDBG ")\n", lssid->SSID, MAC2STRDBG(bssid))); } /* remove the VSIE */ wl_cfg80211_ibss_vsie_delete(dev); bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len); if (!bss) { if (IBSS_INITIAL_SCAN_ALLOWED == TRUE) { memcpy(ssid.ssid, params->ssid, params->ssid_len); ssid.ssid_len = params->ssid_len; do { if (unlikely (__wl_cfg80211_scan(wiphy, dev, NULL, &ssid) == -EBUSY)) { wl_delay(150); } else { break; } } while (++scan_retry < WL_SCAN_RETRY_MAX); /* rtnl lock code is removed here. don't see why rtnl lock * needs to be released. */ /* wait 4 secons till scan done.... */ schedule_timeout_interruptible(msecs_to_jiffies(4000)); bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len); } } if (bss && ((IBSS_COALESCE_ALLOWED == TRUE) || ((IBSS_COALESCE_ALLOWED == FALSE) && params->bssid && !memcmp(bss->bssid, params->bssid, ETHER_ADDR_LEN)))) { cfg->ibss_starter = false; WL_DBG(("Found IBSS\n")); } else { cfg->ibss_starter = true; } if (bss) { CFG80211_PUT_BSS(wiphy, bss); } if (chan) { if (chan->band == IEEE80211_BAND_5GHZ) param[0] = WLC_BAND_5G; else if (chan->band == IEEE80211_BAND_2GHZ) param[0] = WLC_BAND_2G; err = wldev_iovar_getint(dev, "bw_cap", param); if (unlikely(err)) { WL_ERR(("Get bw_cap Failed (%d)\n", err)); return err; } bw_cap = param[0]; chanspec = channel_to_chanspec(wiphy, dev, cfg->channel, bw_cap); } /* * Join with specific BSSID and cached SSID * If SSID is zero join based on BSSID only */ bzero(&join_params, sizeof(join_params)); memcpy((void *)join_params.ssid.SSID, (const void *)params->ssid, params->ssid_len); join_params.ssid.SSID_len = htod32(params->ssid_len); if (params->bssid) { memcpy(&join_params.params.bssid, params->bssid, ETHER_ADDR_LEN); err = wldev_ioctl_set(dev, WLC_SET_DESIRED_BSSID, &join_params.params.bssid, ETHER_ADDR_LEN); if (unlikely(err)) { WL_ERR(("Error (%d)\n", err)); return err; } } else bzero(&join_params.params.bssid, ETHER_ADDR_LEN); if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) { scan_suppress = TRUE; /* Set the SCAN SUPPRESS Flag in the firmware to skip join scan */ err = wldev_ioctl_set(dev, WLC_SET_SCANSUPPRESS, &scan_suppress, sizeof(int)); if (unlikely(err)) { WL_ERR(("Scan Suppress Setting Failed (%d)\n", err)); return err; } } join_params.params.chanspec_list[0] = chanspec; join_params.params.chanspec_num = 1; wldev_iovar_setint(dev, "chanspec", chanspec); join_params_size = sizeof(join_params); /* Disable Authentication, IBSS will add key if it required */ wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_DISABLED); wldev_iovar_setint(dev, "wsec", 0); err = wldev_ioctl_set(dev, WLC_SET_SSID, &join_params, join_params_size); if (unlikely(err)) { WL_ERR(("IBSS set_ssid Error (%d)\n", err)); return err; } if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) { scan_suppress = FALSE; /* Reset the SCAN SUPPRESS Flag */ err = wldev_ioctl_set(dev, WLC_SET_SCANSUPPRESS, &scan_suppress, sizeof(int)); if (unlikely(err)) { WL_ERR(("Reset Scan Suppress Flag Failed (%d)\n", err)); return err; } } wl_update_prof(cfg, dev, NULL, &join_params.ssid, WL_PROF_SSID); wl_update_prof(cfg, dev, NULL, &cfg->channel, WL_PROF_CHAN); #ifdef WL_RELMCAST cfg->rmc_event_seq = 0; /* initialize rmcfail sequence */ #endif /* WL_RELMCAST */ return err; } static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; scb_val_t scbval; u8 *curbssid; RETURN_EIO_IF_NOT_UP(cfg); wl_link_down(cfg); WL_INFORM_MEM(("Leave IBSS\n")); curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID); wl_set_drv_status(cfg, DISCONNECTING, dev); scbval.val = 0; memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)); if (unlikely(err)) { wl_clr_drv_status(cfg, DISCONNECTING, dev); WL_ERR(("error(%d)\n", err)); return err; } /* remove the VSIE */ wl_cfg80211_ibss_vsie_delete(dev); return err; } #ifdef MFP static int wl_cfg80211_get_rsn_capa(const bcm_tlv_t *wpa2ie, const u8** rsn_cap) { u16 suite_count; const wpa_suite_mcast_t *mcast; const wpa_suite_ucast_t *ucast; int len; const wpa_suite_auth_key_mgmt_t *mgmt; if (!wpa2ie) return BCME_BADARG; len = wpa2ie->len; /* check for Multicast cipher suite */ if ((len -= (WPA_SUITE_LEN + WPA2_VERSION_LEN)) <= 0) { return BCME_NOTFOUND; } mcast = (const wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN]; /* Check for the unicast suite(s) */ if (len < WPA_IE_SUITE_COUNT_LEN) { return BCME_NOTFOUND; } ucast = (const wpa_suite_ucast_t *)&mcast[1]; suite_count = ltoh16_ua(&ucast->count); if ((suite_count > NL80211_MAX_NR_CIPHER_SUITES) || (len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0) return BCME_BADLEN; /* Check for AUTH key management suite(s) */ if (len < WPA_IE_SUITE_COUNT_LEN) { return BCME_NOTFOUND; } mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count]; suite_count = ltoh16_ua(&mgmt->count); if ((suite_count <= NL80211_MAX_NR_CIPHER_SUITES) && (len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) { rsn_cap[0] = (const u8 *)&mgmt->list[suite_count]; } else { return BCME_BADLEN; } return BCME_OK; } #endif /* MFP */ static s32 wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct wl_security *sec; s32 val = 0; s32 err = 0; s32 bssidx; if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) val = WPA2_AUTH_PSK| WPA2_AUTH_UNSPECIFIED; else val = WPA_AUTH_DISABLED; if (is_wps_conn(sme)) val = WPA_AUTH_DISABLED; #ifdef BCMWAPI_WPI if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1) { WL_DBG((" * wl_set_wpa_version, set wpa_auth" " to WPA_AUTH_WAPI 0x400")); val = WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED; } #endif // endif WL_INFORM_MEM(("[%s] wl wpa_auth 0x%0x\n", dev->name, val)); err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", val, bssidx); if (unlikely(err)) { WL_ERR(("set wpa_auth failed (%d)\n", err)); return err; } sec = wl_read_prof(cfg, dev, WL_PROF_SEC); sec->wpa_versions = sme->crypto.wpa_versions; return err; } #ifdef BCMWAPI_WPI static s32 wl_set_set_wapi_ie(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); s32 err = 0; s32 bssidx; WL_DBG((" wl_set_set_wapi_ie\n")); if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } err = wldev_iovar_setbuf_bsscfg(dev, "wapiie", (const void *)sme->ie, sme->ie_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("set_wapi_ie Error (%d)\n", err)); return err; } WL_INFORM_MEM(("wapi_ie successfully (%s)\n", dev->name)); return err; } #endif /* BCMWAPI_WPI */ static s32 wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct wl_security *sec; s32 val = 0; s32 err = 0; s32 bssidx; if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } switch (sme->auth_type) { case NL80211_AUTHTYPE_OPEN_SYSTEM: val = WL_AUTH_OPEN_SYSTEM; WL_DBG(("open system\n")); break; case NL80211_AUTHTYPE_SHARED_KEY: val = WL_AUTH_SHARED_KEY; WL_DBG(("shared key\n")); break; case NL80211_AUTHTYPE_AUTOMATIC: val = WL_AUTH_OPEN_SHARED; WL_DBG(("automatic\n")); break; #ifdef WL_FILS case NL80211_AUTHTYPE_FILS_SK: WL_DBG(("fils shared key\n")); val = WL_AUTH_FILS_SHARED; break; case NL80211_AUTHTYPE_FILS_SK_PFS: val = WL_AUTH_FILS_SHARED_PFS; WL_DBG(("fils shared key with pfs\n")); break; case NL80211_AUTHTYPE_FILS_PK: WL_DBG(("fils public key\n")); val = WL_AUTH_FILS_PUBLIC; break; #endif /* WL_FILS */ #ifdef WL_CLIENT_SAE case NL80211_AUTHTYPE_SAE: if (!wl_is_pmkid_available(dev, sme->bssid)) { val = WL_AUTH_SAE_KEY; } else { /* Fw will choose right auth type * dynamically based on PMKID availability */ val = WL_AUTH_OPEN_SHARED; } WL_DBG(("sae auth type %d\n", val)); break; #endif /* WL_CLIENT_SAE */ default: val = 2; WL_ERR(("invalid auth type (%d)\n", sme->auth_type)); break; } WL_INFORM_MEM(("[%s] wl auth 0x%0x \n", dev->name, val)); err = wldev_iovar_setint_bsscfg(dev, "auth", val, bssidx); if (unlikely(err)) { WL_ERR(("set auth failed (%d)\n", err)); return err; } sec = wl_read_prof(cfg, dev, WL_PROF_SEC); sec->auth_type = sme->auth_type; return err; } #ifdef WL_CLIENT_SAE static bool wl_is_pmkid_available(struct net_device *dev, const u8 *bssid) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); int i; int npmkids = (cfg->pmk_list->pmkids.length - sizeof(uint16)*2) / sizeof(pmkid_v2_t); /* check the bssid is null or not */ if (!bssid) return FALSE; for (i = 0; i < npmkids; i++) { if (!memcmp(bssid, &cfg->pmk_list->pmkids.pmkid[i].bssid, ETHER_ADDR_LEN)) { WL_DBG(("FOUND PMKID\n")); return TRUE; } } WL_ERR(("PMKID NOT FOUND\n")); return FALSE; } #endif /* WL_CLIENT_SAE */ static u32 wl_rsn_cipher_wsec_algo_lookup(uint32 cipher) { uint i; for (i = 0; i < ARRAYSIZE(rsn_cipher_algo_lookup_tbl); i++) { if (cipher == rsn_cipher_algo_lookup_tbl[i].cipher_suite) { return rsn_cipher_algo_lookup_tbl[i].wsec_algo; } } return WSEC_NONE; } static u32 wl_rsn_cipher_wsec_key_algo_lookup(uint32 cipher) { uint i; for (i = 0; i < ARRAYSIZE(rsn_cipher_algo_lookup_tbl); i++) { if (cipher == rsn_cipher_algo_lookup_tbl[i].cipher_suite) { return rsn_cipher_algo_lookup_tbl[i].wsec_key_algo; } } return CRYPTO_ALGO_OFF; } static u32 wl_rsn_akm_wpa_auth_lookup(uint32 akm) { uint i; for (i = 0; i < ARRAYSIZE(rsn_akm_wpa_auth_lookup_tbl); i++) { if (akm == rsn_akm_wpa_auth_lookup_tbl[i].akm_suite) { return rsn_akm_wpa_auth_lookup_tbl[i].wpa_auth; } } return WPA_AUTH_DISABLED; } static s32 wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct wl_security *sec; s32 pval = 0; s32 gval = 0; s32 err = 0; s32 wsec_val = 0; #ifdef BCMWAPI_WPI s32 wapi_val = 0; s32 val = 0; #endif // endif s32 bssidx; #ifdef WL_GCMP uint32 algos = 0, mask = 0; #endif /* WL_GCMP */ if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } if (sme->crypto.n_ciphers_pairwise) { pval = wl_rsn_cipher_wsec_algo_lookup(sme->crypto.ciphers_pairwise[0]); if (pval == WSEC_NONE) { WL_ERR(("invalid cipher pairwise (%d)\n", sme->crypto.ciphers_pairwise[0])); return BCME_BADARG; } switch (sme->crypto.ciphers_pairwise[0]) { #ifdef BCMWAPI_WPI case WLAN_CIPHER_SUITE_SMS4: val = pval; err = wl_set_set_wapi_ie(dev, sme); if (unlikely(err)) { WL_DBG(("Set wapi ie failed \n")); return err; } else { WL_DBG(("Set wapi ie succeded\n")); } wapi_val = WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED; WL_INFORM_MEM(("[WAPI] wl wpa_auth to 0x%0x (%s)\n", val, dev->name)); err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wapi_val, bssidx); if (unlikely(err)) { WL_ERR(("set wpa_auth failed (%d)\n", err)); return err; } break; #endif /* BCMWAPI_WPI */ #ifdef WL_GCMP case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: algos = KEY_ALGO_MASK(wl_rsn_cipher_wsec_key_algo_lookup( sme->crypto.ciphers_pairwise[0])); mask = algos | KEY_ALGO_MASK(CRYPTO_ALGO_AES_CCM); break; #endif /* WL_GCMP */ default: /* No post processing required */ break; } } #if defined(BCMSUP_4WAY_HANDSHAKE) /* Ensure in-dongle supplicant is turned on when FBT wants to do the 4-way * handshake. * Note that the FW feature flag only exists on kernels that support the * FT-EAP AKM suite. */ if (cfg->wdev->wiphy->features & NL80211_FEATURE_FW_4WAY_HANDSHAKE) { err = wldev_iovar_setint_bsscfg(dev, "sup_wpa", 1, bssidx); if (err) { WL_ERR(("FBT: Error setting sup_wpa (%d)\n", err)); return err; } else { WL_INFORM_MEM(("idsup enabled.\n")); } } #endif /* BCMSUP_4WAY_HANDSHAKE */ if (sme->crypto.cipher_group) { gval = wl_rsn_cipher_wsec_algo_lookup(sme->crypto.cipher_group); if (gval == WSEC_NONE) { WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); return BCME_BADARG; } switch (sme->crypto.cipher_group) { #ifdef BCMWAPI_WPI case WLAN_CIPHER_SUITE_SMS4: val = gval; break; #endif // endif #ifdef WL_GCMP case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: algos = KEY_ALGO_MASK( wl_rsn_cipher_wsec_key_algo_lookup(sme->crypto.cipher_group)); mask = algos | KEY_ALGO_MASK(CRYPTO_ALGO_AES_CCM); break; #endif /* WL_GCMP */ default: /* No post processing required */ break; } } WL_DBG(("pval (%d) gval (%d)\n", pval, gval)); #ifdef WL_GCMP WL_DBG(("algos:%x, mask:%x", algos, mask)); #endif /* WL_GCMP */ if (is_wps_conn(sme)) { if (sme->privacy) { wsec_val = 4; } else { /* WPS-2.0 allows no security */ wsec_val = 0; } } else { #ifdef BCMWAPI_WPI if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_SMS4) { WL_DBG((" NO, is_wps_conn, WAPI set to SMS4_ENABLED")); wsec_val = val; } else #endif // endif { WL_DBG((" NO, is_wps_conn, Set pval | gval to WSEC")); wsec_val = pval | gval; } } WL_INFORM_MEM(("[%s] wl wsec 0x%x\n", dev->name, wsec_val)); err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec_val, bssidx); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } #ifdef WL_GCMP wl_set_wsec_info_algos(dev, algos, mask); #endif /* WL_GCMP */ sec = wl_read_prof(cfg, dev, WL_PROF_SEC); sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; sec->cipher_group = sme->crypto.cipher_group; return err; } #ifdef WL_GCMP static s32 wl_set_wsec_info_algos(struct net_device *dev, uint32 algos, uint32 mask) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); s32 bssidx; s32 err = 0; wl_wsec_info_t *wsec_info; bcm_xtlv_t *wsec_info_tlv; uint16 tlv_data_len; uint8 tlv_data[8]; uint32 param_len; uint8 * buf; WL_DBG(("enter.\n")); if (!cfg) { return BCME_ERROR; } if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } buf = MALLOCZ(cfg->osh, sizeof(wl_wsec_info_t) + sizeof(tlv_data)); if (!buf) { WL_ERR(("No memory")); return BCME_NOMEM; } wsec_info = (wl_wsec_info_t *)buf; wsec_info->version = WL_WSEC_INFO_VERSION; wsec_info_tlv = (bcm_xtlv_t *)(buf + OFFSETOF(wl_wsec_info_t, tlvs)); wsec_info->num_tlvs++; tlv_data_len = sizeof(tlv_data); err = memcpy_s(tlv_data, sizeof(tlv_data), &algos, sizeof(algos)); if (err) { WL_ERR(("memcpy_s algos error (%d)\n", err)); goto exit; } err = memcpy_s(tlv_data + sizeof(algos), sizeof(mask), &mask, sizeof(mask)); if (err) { WL_ERR(("memcpy_s mask error (%d)\n", err)); goto exit; } bcm_xtlv_pack_xtlv(wsec_info_tlv, WL_WSEC_INFO_BSS_ALGOS, tlv_data_len, tlv_data, 0); param_len = OFFSETOF(wl_wsec_info_t, tlvs) + WL_WSEC_INFO_TLV_HDR_LEN + tlv_data_len; err = wldev_iovar_setbuf_bsscfg(dev, "wsec_info", wsec_info, param_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) WL_ERR(("wsec_info error (%d)\n", err)); exit: MFREE(cfg->osh, buf, sizeof(wl_wsec_info_t) + sizeof(tlv_data)); return err; } #endif /* WL_GCMP */ #ifdef MFP static s32 wl_cfg80211_set_mfp(struct bcm_cfg80211 *cfg, struct net_device *dev, struct cfg80211_connect_params *sme) { s32 mfp = WL_MFP_NONE; s32 current_mfp = WL_MFP_NONE; const bcm_tlv_t *wpa2_ie; const u8* rsn_cap = NULL; bool fw_support = false; int err, count = 0; const u8 *eptr = NULL, *ptr = NULL; const u8* group_mgmt_cs = NULL; const wpa_pmkid_list_t* pmkid = NULL; if (!sme) { /* No connection params from userspace, Do nothing. */ return 0; } /* Check fw support and retreive current mfp val */ err = wldev_iovar_getint(dev, "mfp", ¤t_mfp); if (!err) { fw_support = true; } /* Parse the wpa2ie to decode the MFP capablity */ if (((wpa2_ie = bcm_parse_tlvs((const u8 *)sme->ie, sme->ie_len, DOT11_MNG_RSN_ID)) != NULL) && (wl_cfg80211_get_rsn_capa(wpa2_ie, &rsn_cap) == 0) && rsn_cap) { WL_DBG(("rsn_cap 0x%x%x\n", rsn_cap[0], rsn_cap[1])); /* Check for MFP cap in the RSN capability field */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) if (sme->mfp) #endif // endif { if (rsn_cap[0] & RSN_CAP_MFPR) { mfp = WL_MFP_REQUIRED; } else if (rsn_cap[0] & RSN_CAP_MFPC) { mfp = WL_MFP_CAPABLE; } } /* * eptr --> end/last byte addr of wpa2_ie * ptr --> to keep track of current/required byte addr */ eptr = (const u8*)wpa2_ie + (wpa2_ie->len + TLV_HDR_LEN); /* pointing ptr to the next byte after rns_cap */ ptr = (const u8*)rsn_cap + RSN_CAP_LEN; if (mfp && (eptr - ptr) >= WPA2_PMKID_COUNT_LEN) { /* pmkid now to point to 1st byte addr of pmkid in wpa2_ie */ pmkid = (const wpa_pmkid_list_t*)ptr; count = pmkid->count.low | (pmkid->count.high << 8); /* ptr now to point to last byte addr of pmkid */ ptr = (const u8*)pmkid + (count * WPA2_PMKID_LEN + WPA2_PMKID_COUNT_LEN); if ((eptr - ptr) >= WPA_SUITE_LEN) { /* group_mgmt_cs now to point to first byte addr of bip */ group_mgmt_cs = ptr; } } } WL_DBG(("mfp:%d wpa2_ie ptr:%p mfp fw_support:%d\n", mfp, wpa2_ie, fw_support)); if (fw_support == false) { if (mfp == WL_MFP_REQUIRED) { /* if mfp > 0, mfp capability set in wpa ie, but * FW indicated error for mfp. Propagate the error up. */ WL_ERR(("mfp capability found in wpaie. But fw doesn't " "seem to support MFP\n")); err = -EINVAL; goto exit; } else { /* Firmware doesn't support mfp. But since connection request * is for non-mfp case, don't bother. */ err = BCME_OK; goto exit; } } else if (mfp != current_mfp) { err = wldev_iovar_setint(dev, "mfp", mfp); if (unlikely(err)) { WL_ERR(("mfp (%d) set failed ret:%d \n", mfp, err)); goto exit; } WL_INFORM_MEM(("[%s] wl mfp 0x%x\n", dev->name, mfp)); } if (group_mgmt_cs && bcmp((const uint8 *)WPA2_OUI, group_mgmt_cs, (WPA_SUITE_LEN - 1)) == 0) { WL_DBG(("BIP is found\n")); err = wldev_iovar_setbuf(dev, "bip", group_mgmt_cs, WPA_SUITE_LEN, cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); /* * Dont return failure for unsupported cases * of bip iovar for backward compatibility */ if (err != BCME_UNSUPPORTED && err < 0) { WL_ERR(("bip set error (%d)\n", err)); { goto exit; } } else { WL_INFORM_MEM(("[%s] wl bip %02X:%02X:%02X\n", dev->name, group_mgmt_cs[0], group_mgmt_cs[1], group_mgmt_cs[2])); } } exit: if (err) { wl_flush_fw_log_buffer(bcmcfg_to_prmry_ndev(cfg), FW_LOGSET_MASK_ALL); } return 0; } #endif /* MFP */ #ifdef WL_FILS bool wl_is_fils_supported(struct net_device *ndev) { s32 err; u8 ioctl_buf[WLC_IOCTL_SMLEN] = {0}; bcm_iov_buf_t *iov_buf = (bcm_iov_buf_t *)ioctl_buf; iov_buf->version = WL_FILS_IOV_VERSION; err = wldev_iovar_getbuf(ndev, "fils", (uint8*)iov_buf, sizeof(bcm_iov_buf_t), iov_buf, WLC_IOCTL_SMLEN, NULL); if (err == BCME_UNSUPPORTED) { WL_DBG(("FILS NOT supported\n")); return false; } WL_INFORM(("FILS supported\n")); return true; } #define WL_NUM_OF_TLV_IN_SET_FILS_PARAMS 4u static s32 wl_set_fils_params(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); bcm_iov_buf_t *iov_buf = NULL; bcm_xtlvbuf_t tbuf; s32 err = BCME_OK; uint32 buf_size; if ((sme->auth_type != NL80211_AUTHTYPE_FILS_SK) && (sme->auth_type != NL80211_AUTHTYPE_FILS_SK_PFS) && (sme->auth_type != NL80211_AUTHTYPE_FILS_PK)) { return BCME_OK; } if (sme->fils_erp_rrk_len > WL_MAX_FILS_KEY_LEN) { WL_ERR(("%s: FILS rRK exceed allowed size\n", __FUNCTION__)); err = BCME_BADARG; goto exit; } /* Check incoming buffer length */ buf_size = sme->fils_erp_username_len + sme->fils_erp_realm_len + sme->fils_erp_rrk_len + sizeof(sme->fils_erp_next_seq_num) + WL_NUM_OF_TLV_IN_SET_FILS_PARAMS * BCM_XTLV_HDR_SIZE_EX(BCM_XTLV_OPTION_ALIGN32) + sizeof(bcm_iov_buf_t) - 1u; if (buf_size > WLC_IOCTL_SMLEN) { WL_ERR(("%s: FILS connect params arguments exceed allowed size\n", __FUNCTION__)); err = BCME_BADARG; goto exit; } iov_buf = MALLOCZ(cfg->osh, WLC_IOCTL_SMLEN); if (!iov_buf) { WL_ERR(("%s: iov_buf alloc failed! %d bytes\n", __FUNCTION__, WLC_IOCTL_SMLEN)); err = BCME_NOMEM; goto exit; } iov_buf->version = WL_FILS_IOV_VERSION; iov_buf->id = WL_FILS_CMD_ADD_CONNECT_PARAMS; /* check if this should be len w/o headers */ err = bcm_xtlv_buf_init(&tbuf, (uint8*)&iov_buf->data[0], WLC_IOCTL_SMLEN - sizeof(bcm_iov_buf_t) + sizeof(uint16), BCM_XTLV_OPTION_ALIGN32); if (err != BCME_OK) { WL_ERR(("%s: xtlv_context initialization failed\n", __FUNCTION__)); goto exit; } if (sme->fils_erp_username_len && sme->fils_erp_username != NULL) { err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_USERNAME, sme->fils_erp_username, sme->fils_erp_username_len); if (err != BCME_OK) { WL_ERR(("%s: write xtlv failed\n", __FUNCTION__)); goto exit; } } if (sme->fils_erp_realm_len && sme->fils_erp_realm != NULL) { err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_REALM, sme->fils_erp_realm, sme->fils_erp_realm_len); if (err != BCME_OK) { WL_ERR(("%s: write xtlv failed\n", __FUNCTION__)); goto exit; } } if (sme->fils_erp_rrk_len && sme->fils_erp_rrk != NULL) { err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_RRK, sme->fils_erp_rrk, sme->fils_erp_rrk_len); if (err != BCME_OK) { WL_ERR(("%s: write xtlv failed\n", __FUNCTION__)); goto exit; } } err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_NEXT_SEQ_NUM, (u8 *)&sme->fils_erp_next_seq_num, sizeof(sme->fils_erp_next_seq_num)); if (err != BCME_OK) { WL_ERR(("%s: write xtlv failed\n", __FUNCTION__)); goto exit; } iov_buf->len = bcm_xtlv_buf_len(&tbuf); err = wldev_iovar_setbuf(dev, "fils", iov_buf, iov_buf->len + sizeof(bcm_iov_buf_t) - sizeof(uint16), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("set fils params ioctl error (%d)\n", err)); goto exit; } exit: if (err != BCME_OK) { WL_ERR(("set FILS params error %d\n", err)); } else { WL_INFORM_MEM(("FILS parameters succesfully applied\n")); } if (iov_buf) { MFREE(cfg->osh, iov_buf, WLC_IOCTL_SMLEN); } return err; } #if !defined(WL_FILS_ROAM_OFFLD) && defined(WL_FILS) static s32 wl_get_bcn_timeout(struct net_device *dev, u32 *bcn_timeout) { s32 err = 0; err = wldev_iovar_getint(dev, "bcn_timeout", bcn_timeout); if (unlikely(err)) { WL_ERR(("could not get bcn_timeout (%d)\n", err)); } return err; } #define WL_ROAM_ENABLE 0 #define WL_ROAM_DISABLE 1 /* Beacon Timeout beacon loss in case FILS roaming offload is not supported by fw */ #define WL_BCN_TIMEOUT 3 static s32 wl_fils_toggle_roaming(struct net_device *dev, u32 auth_type) { s32 err = 0; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); if (WPA2_AUTH_IS_FILS(auth_type) && !cfg->fils_info.fils_roam_disabled) { err = wl_get_bcn_timeout(dev, &cfg->fils_info.fils_bcn_timeout_cache); if (unlikely(err)) { return err; } wl_dongle_roam(dev, WL_ROAM_DISABLE, WL_BCN_TIMEOUT); cfg->fils_info.fils_roam_disabled = true; WL_INFORM_MEM(("fw roam disabled for FILS akm\n")); } else if (cfg->fils_info.fils_roam_disabled) { /* Enable roaming back for other auth types */ wl_dongle_roam(dev, WL_ROAM_ENABLE, cfg->fils_info.fils_bcn_timeout_cache); cfg->fils_info.fils_roam_disabled = false; WL_INFORM_MEM(("fw roam enabled\n")); } return err; } #endif /* !WL_FILS_ROAM_OFFLD && WL_FILS */ #endif /* WL_FILS */ static s32 wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct wl_security *sec; s32 val = 0; s32 err = 0; s32 bssidx; if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } if (sme->crypto.n_akm_suites) { err = wldev_iovar_getint(dev, "wpa_auth", &val); if (unlikely(err)) { WL_ERR(("could not get wpa_auth (%d)\n", err)); return err; } if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { switch (sme->crypto.akm_suites[0]) { case WLAN_AKM_SUITE_8021X: val = WPA_AUTH_UNSPECIFIED; break; case WLAN_AKM_SUITE_PSK: val = WPA_AUTH_PSK; break; default: WL_ERR(("invalid akm suite (0x%x)\n", sme->crypto.akm_suites[0])); return -EINVAL; } } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { switch (sme->crypto.akm_suites[0]) { #ifdef MFP case WL_AKM_SUITE_SHA256_1X: val = WPA2_AUTH_1X_SHA256; break; case WL_AKM_SUITE_SHA256_PSK: val = WPA2_AUTH_PSK_SHA256; break; #endif /* MFP */ case WLAN_AKM_SUITE_8021X: case WLAN_AKM_SUITE_PSK: #if defined(WLFBT) && defined(WLAN_AKM_SUITE_FT_8021X) case WLAN_AKM_SUITE_FT_8021X: #endif // endif #if defined(WLFBT) && defined(WLAN_AKM_SUITE_FT_PSK) case WLAN_AKM_SUITE_FT_PSK: #endif // endif case WLAN_AKM_SUITE_FILS_SHA256: case WLAN_AKM_SUITE_FILS_SHA384: case WLAN_AKM_SUITE_8021X_SUITE_B: case WLAN_AKM_SUITE_8021X_SUITE_B_192: #ifdef WL_OWE case WLAN_AKM_SUITE_OWE: #endif /* WL_OWE */ case WLAN_AKM_SUITE_FT_8021X_SHA384: val = wl_rsn_akm_wpa_auth_lookup(sme->crypto.akm_suites[0]); break; case WLAN_AKM_SUITE_FT_FILS_SHA256: val = WPA2_AUTH_FILS_SHA256 | WPA2_AUTH_FT; break; case WLAN_AKM_SUITE_FT_FILS_SHA384: val = WPA2_AUTH_FILS_SHA384 | WPA2_AUTH_FT; break; #if defined(WL_SAE) || defined(WL_CLIENT_SAE) case WLAN_AKM_SUITE_SAE: val = WPA3_AUTH_SAE_PSK; break; #endif /* WL_SAE || WL_CLIENT_SAE */ default: WL_ERR(("invalid akm suite (0x%x)\n", sme->crypto.akm_suites[0])); return -EINVAL; } } #ifdef BCMWAPI_WPI else if (val & (WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED)) { switch (sme->crypto.akm_suites[0]) { case WLAN_AKM_SUITE_WAPI_CERT: val = WAPI_AUTH_UNSPECIFIED; break; case WLAN_AKM_SUITE_WAPI_PSK: val = WAPI_AUTH_PSK; break; default: WL_ERR(("invalid akm suite (0x%x)\n", sme->crypto.akm_suites[0])); return -EINVAL; } } #endif // endif #ifdef WL_FILS #if !defined(WL_FILS_ROAM_OFFLD) err = wl_fils_toggle_roaming(dev, val); if (unlikely(err)) { return err; } #endif /* !WL_FILS_ROAM_OFFLD */ #endif /* !WL_FILS */ #ifdef MFP if ((err = wl_cfg80211_set_mfp(cfg, dev, sme)) < 0) { WL_ERR(("MFP set failed err:%d\n", err)); return -EINVAL; } #endif /* MFP */ WL_INFORM_MEM(("[%s] wl wpa_auth to 0x%x\n", dev->name, val)); err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", val, bssidx); if (unlikely(err)) { WL_ERR(("could not set wpa_auth (0x%x)\n", err)); return err; } } sec = wl_read_prof(cfg, dev, WL_PROF_SEC); sec->wpa_auth = sme->crypto.akm_suites[0]; return err; } static s32 wl_set_set_sharedkey(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct wl_security *sec; struct wl_wsec_key key; s32 val; s32 err = 0; s32 bssidx; if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } WL_DBG(("key len (%d)\n", sme->key_len)); if (sme->key_len) { sec = wl_read_prof(cfg, dev, WL_PROF_SEC); WL_DBG(("wpa_versions 0x%x cipher_pairwise 0x%x\n", sec->wpa_versions, sec->cipher_pairwise)); if (!(sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) && #ifdef BCMWAPI_WPI !is_wapi(sec->cipher_pairwise) && #endif // endif (sec->cipher_pairwise & (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) { bzero(&key, sizeof(key)); key.len = (u32) sme->key_len; key.index = (u32) sme->key_idx; if (unlikely(key.len > sizeof(key.data))) { WL_ERR(("Too long key length (%u)\n", key.len)); return -EINVAL; } memcpy(key.data, sme->key, key.len); key.flags = WL_PRIMARY_KEY; if ((sec->cipher_pairwise == WLAN_CIPHER_SUITE_WEP40) || (sec->cipher_pairwise == WLAN_CIPHER_SUITE_WEP104)) { key.algo = wl_rsn_cipher_wsec_key_algo_lookup(sec->cipher_pairwise); } else { WL_ERR(("Invalid algorithm (%d)\n", sme->crypto.ciphers_pairwise[0])); return -EINVAL; } /* Set the new key/index */ WL_DBG(("key length (%d) key index (%d) algo (%d)\n", key.len, key.index, key.algo)); WL_DBG(("key \"%s\"\n", key.data)); swap_key_from_BE(&key); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); return err; } WL_INFORM_MEM(("key applied to fw\n")); if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { WL_DBG(("set auth_type to shared key\n")); val = WL_AUTH_SHARED_KEY; /* shared key */ err = wldev_iovar_setint_bsscfg(dev, "auth", val, bssidx); if (unlikely(err)) { WL_ERR(("set auth failed (%d)\n", err)); return err; } } } } return err; } #if defined(ESCAN_RESULT_PATCH) static u8 connect_req_bssid[6]; static u8 broad_bssid[6]; #endif /* ESCAN_RESULT_PATCH */ #if defined(CUSTOM_SET_CPUCORE) || defined(CONFIG_TCPACK_FASTTX) static bool wl_get_chan_isvht80(struct net_device *net, dhd_pub_t *dhd) { u32 chanspec = 0; bool isvht80 = 0; if (wldev_iovar_getint(net, "chanspec", (s32 *)&chanspec) == BCME_OK) chanspec = wl_chspec_driver_to_host(chanspec); isvht80 = chanspec & WL_CHANSPEC_BW_80; WL_DBG(("wl_get_chan_isvht80: chanspec(%x:%d)\n", chanspec, isvht80)); return isvht80; } #endif /* CUSTOM_SET_CPUCORE || CONFIG_TCPACK_FASTTX */ int wl_cfg80211_cleanup_mismatch_status(struct net_device *dev, struct bcm_cfg80211 *cfg, bool disassociate) { scb_val_t scbval; int err = TRUE; int wait_cnt; if (disassociate) { dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); BCM_REFERENCE(dhdp); DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START), dhd_net2idx(dhdp->info, dev), DOT11_RC_DISASSOC_LEAVING); WL_ERR(("Disassociate previous connection!\n")); wl_set_drv_status(cfg, DISCONNECTING, dev); scbval.val = DOT11_RC_DISASSOC_LEAVING; scbval.val = htod32(scbval.val); err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)); if (unlikely(err)) { wl_clr_drv_status(cfg, DISCONNECTING, dev); WL_ERR(("error (%d)\n", err)); return err; } wait_cnt = 500/10; } else { wait_cnt = 200/10; WL_ERR(("Waiting for previous DISCONNECTING status!\n")); if (wl_get_drv_status(cfg, DISCONNECTING, dev)) { wl_clr_drv_status(cfg, DISCONNECTING, dev); } } while (wl_get_drv_status(cfg, DISCONNECTING, dev) && wait_cnt) { WL_DBG(("Waiting for disconnection terminated, wait_cnt: %d\n", wait_cnt)); wait_cnt--; OSL_SLEEP(10); } if (wait_cnt == 0) { WL_ERR(("DISCONNECING clean up failed!\n")); /* Clear DISCONNECTING driver status as we have made sufficient attempts * for driver clean up. */ wl_clr_drv_status(cfg, DISCONNECTING, dev); wl_clr_drv_status(cfg, CONNECTED, dev); return BCME_NOTREADY; } return BCME_OK; } #ifdef WL_FILS static int wl_fils_add_hlp_container(struct bcm_cfg80211 *cfg, struct net_device *dev, const uint8* ie_buf, uint16 ie_len) { const bcm_tlv_ext_t *hlp_ie; if ((hlp_ie = (const bcm_tlv_ext_t*)bcm_parse_tlvs_dot11((const uint8 *)ie_buf, ie_len, FILS_HLP_CONTAINER_EXT_ID, TRUE))) { u16 hlp_len = hlp_ie->len; u16 left_len = (ie_len - ((const uint8*)hlp_ie - ie_buf)); bcm_iov_buf_t *iov_buf = 0; uint8* pxtlv; int err; size_t iov_buf_len; bcm_tlv_dot11_frag_tot_len(ie_buf, ie_len, FILS_HLP_CONTAINER_EXT_ID, TRUE, (uint*)&hlp_len); hlp_len += BCM_TLV_EXT_HDR_SIZE; if ((hlp_len > DOT11_MAX_MPDU_BODY_LEN) || (hlp_len > left_len)) { WL_ERR(("bad HLP length %d\n", hlp_len)); return EFAULT; } iov_buf_len = sizeof(bcm_iov_buf_t) + sizeof(bcm_xtlv_t) - 1 + hlp_len; iov_buf = MALLOCZ(cfg->osh, iov_buf_len); if (iov_buf == NULL) { WL_ERR(("failed to allocated iov_buf\n")); return ENOMEM; } prhex("HLP, HLP", (const uchar *)hlp_ie, hlp_len); pxtlv = (uint8 *)&iov_buf->data[0]; ((bcm_xtlv_t*)pxtlv)->id = WL_FILS_XTLV_HLP_IE; ((bcm_xtlv_t*)pxtlv)->len = hlp_len; memcpy(((bcm_xtlv_t*)pxtlv)->data, hlp_ie, ((bcm_xtlv_t*)pxtlv)->len); iov_buf->version = WL_FILS_IOV_VERSION; iov_buf->id = WL_FILS_CMD_ADD_HLP_IE; iov_buf->len = ((sizeof(bcm_xtlv_t)-1) + ((bcm_xtlv_t*)pxtlv)->len); err = wldev_iovar_setbuf(dev, "fils", iov_buf, sizeof(bcm_iov_buf_t) + iov_buf->len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("fils wldev_iovar_setbuf error (%d)\n", err)); } else { WL_INFORM_MEM(("FILS HLP Packet succesfully updated\n")); } MFREE(cfg->osh, iov_buf, iov_buf_len); } return BCME_OK; } #endif /* WL_FILS */ #if defined(WL_FILS) #ifndef UPDATE_FILS_ERP_INFO #define UPDATE_FILS_ERP_INFO BIT(1) #define UPDATE_AUTH_TYPE BIT(2) #endif // endif static int wl_cfg80211_update_connect_params(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme, u32 changed) { s32 err = BCME_OK; if (changed & UPDATE_FILS_ERP_INFO) { err = wl_set_fils_params(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid FILS params\n")); goto exit; } } if (changed & UPDATE_AUTH_TYPE) { err = wl_set_auth_type(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid auth type\n")); goto exit; } } if ((changed & UPDATE_FILS_ERP_INFO) && !(changed & UPDATE_AUTH_TYPE)) { WL_DBG(("Warning: FILS ERP params are set, but authentication type - not\n")); } exit: return err; } #endif /* WL_FILS */ #define MAX_SCAN_ABORT_WAIT_CNT 20 #define WAIT_SCAN_ABORT_OSL_SLEEP_TIME 10 static s32 wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct ieee80211_channel *chan = sme->channel; wl_extjoin_params_t *ext_join_params; struct wl_join_params join_params; size_t join_params_size; dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); #if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION) s32 roam_trigger[2] = {0, 0}; #endif /* ROAM_AP_ENV_DETECTION */ s32 err = 0; const wpa_ie_fixed_t *wpa_ie; const bcm_tlv_t *wpa2_ie; const u8* wpaie = 0; u32 wpaie_len = 0; u32 chan_cnt = 0; struct ether_addr bssid; s32 bssidx = -1; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) bool skip_hints = fw_ap_select; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */ #ifdef ESCAN_CHANNEL_CACHE chanspec_t chanspec_list[MAX_ROAM_CHANNEL]; #endif /* ESCAN_CHANNEL_CACHE */ int wait_cnt; char sec[32]; WL_DBG(("In\n")); if (!dev) { WL_ERR(("dev is null\n")); return -EINVAL; } BCM_REFERENCE(dhdp); DHD_STATLOG_CTRL(dhdp, ST(ASSOC_START), dhd_net2idx(dhdp->info, dev), 0); #ifdef ESCAN_CHANNEL_CACHE memset(chanspec_list, 0, (sizeof(chanspec_t) * MAX_ROAM_CHANNEL)); #endif /* ESCAN_CHANNEL_CACHE */ /* Connection attempted via linux-wireless */ wl_set_drv_status(cfg, CFG80211_CONNECT, dev); #ifdef DHDTCPSYNC_FLOOD_BLK dhd_reset_tcpsync_info_by_dev(dev); #endif /* DHDTCPSYNC_FLOOD_BLK */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) #ifdef WL_SKIP_CONNECT_HINTS skip_hints = true; #elif defined(WL_FW_OCE_AP_SELECT) /* override bssid_hint for oce networks */ skip_hints = (fw_ap_select && wl_cfg80211_is_oce_ap(wiphy, sme->bssid_hint)); #endif // endif if (skip_hints) { /* Let fw choose the best AP */ WL_INFORM(("skipping bssid & channel hint\n")); } else { if (sme->channel_hint) { chan = sme->channel_hint; WL_INFORM_MEM(("channel_hint (%d), channel_hint center_freq (%d)\n", ieee80211_frequency_to_channel(sme->channel_hint->center_freq), sme->channel_hint->center_freq)); } if (sme->bssid_hint) { sme->bssid = sme->bssid_hint; WL_INFORM_MEM(("bssid_hint "MACDBG" \n", MAC2STRDBG(sme->bssid_hint))); } } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */ if (unlikely(!sme->ssid)) { WL_ERR(("Invalid ssid\n")); return -EOPNOTSUPP; } if (unlikely(sme->ssid_len > DOT11_MAX_SSID_LEN)) { WL_ERR(("Invalid SSID info: SSID=%s, length=%zd\n", sme->ssid, sme->ssid_len)); return -EINVAL; } WL_DBG(("SME IE : len=%zu\n", sme->ie_len)); if (sme->ie != NULL && sme->ie_len > 0 && (wl_dbg_level & WL_DBG_DBG)) { prhex(NULL, sme->ie, sme->ie_len); } RETURN_EIO_IF_NOT_UP(cfg); /* * Cancel ongoing scan to sync up with sme state machine of cfg80211. */ if (cfg->scan_request) { WL_TRACE_HW4(("Aborting the scan! \n")); wl_cfg80211_scan_abort(cfg); wait_cnt = MAX_SCAN_ABORT_WAIT_CNT; while (wl_get_drv_status(cfg, SCANNING, dev) && wait_cnt) { WL_DBG(("Waiting for SCANNING terminated, wait_cnt: %d\n", wait_cnt)); wait_cnt--; OSL_SLEEP(WAIT_SCAN_ABORT_OSL_SLEEP_TIME); } if (wl_get_drv_status(cfg, SCANNING, dev)) { wl_cfg80211_cancel_scan(cfg); } } #ifdef WL_SCHED_SCAN /* Locks are taken in wl_cfg80211_sched_scan_stop() * A start scan occuring during connect is unlikely */ if (cfg->sched_scan_req) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) wl_cfg80211_sched_scan_stop(wiphy, bcmcfg_to_prmry_ndev(cfg), cfg->sched_scan_req->reqid); #else wl_cfg80211_sched_scan_stop(wiphy, bcmcfg_to_prmry_ndev(cfg)); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) */ } #endif /* WL_SCHED_SCAN */ #ifdef WL_CFG80211_GON_COLLISION /* init block gon req count */ cfg->block_gon_req_tx_count = 0; cfg->block_gon_req_rx_count = 0; #endif /* WL_CFG80211_GON_COLLISION */ #if defined(ESCAN_RESULT_PATCH) if (sme->bssid) memcpy(connect_req_bssid, sme->bssid, ETHER_ADDR_LEN); else bzero(connect_req_bssid, ETHER_ADDR_LEN); bzero(broad_bssid, ETHER_ADDR_LEN); #endif // endif #if defined(USE_DYNAMIC_MAXPKT_RXGLOM) maxrxpktglom = 0; #endif // endif if (wl_get_drv_status(cfg, CONNECTING, dev) || wl_get_drv_status(cfg, CONNECTED, dev)) { /* set nested connect bit to identify the context */ wl_set_drv_status(cfg, NESTED_CONNECT, dev); /* DHD prev status is CONNECTING/CONNECTED */ err = wl_cfg80211_cleanup_mismatch_status(dev, cfg, TRUE); } else if (wl_get_drv_status(cfg, DISCONNECTING, dev)) { /* DHD prev status is DISCONNECTING */ err = wl_cfg80211_cleanup_mismatch_status(dev, cfg, false); } else if (!wl_get_drv_status(cfg, CONNECTED, dev)) { /* DHD previous status is not connected and FW connected */ if (wldev_ioctl_get(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN) == 0) { /* set nested connect bit to identify the context */ wl_set_drv_status(cfg, NESTED_CONNECT, dev); err = wl_cfg80211_cleanup_mismatch_status(dev, cfg, true); } } wl_cfg80211_check_in4way(cfg, dev, WAIT_DISCONNECTED, WL_EXT_STATUS_CONNECTING, NULL); if (sme->bssid) { wl_update_prof(cfg, dev, NULL, sme->bssid, WL_PROF_LATEST_BSSID); } else { wl_update_prof(cfg, dev, NULL, ðer_bcast, WL_PROF_LATEST_BSSID); } #ifdef SUPPORT_AP_BWCTRL if (dhdp->op_mode & DHD_FLAG_HOSTAP_MODE) { wl_restore_ap_bw(cfg); } #endif /* SUPPORT_AP_BWCTRL */ /* 'connect' request received */ wl_set_drv_status(cfg, CONNECTING, dev); /* clear nested connect bit on proceeding for connection */ wl_clr_drv_status(cfg, NESTED_CONNECT, dev); /* Clean BSSID */ bzero(&bssid, sizeof(bssid)); if (!wl_get_drv_status(cfg, DISCONNECTING, dev)) wl_update_prof(cfg, dev, NULL, (void *)&bssid, WL_PROF_BSSID); if (p2p_is_on(cfg) && (dev != bcmcfg_to_prmry_ndev(cfg))) { /* we only allow to connect using virtual interface in case of P2P */ if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); err = BCME_ERROR; goto exit; } wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx, VNDR_IE_ASSOCREQ_FLAG, sme->ie, sme->ie_len); } else if (dev == bcmcfg_to_prmry_ndev(cfg)) { if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find wlan index from wdev(%p) failed\n", dev->ieee80211_ptr)); err = BCME_ERROR; goto exit; } /* find the RSN_IE */ if ((wpa2_ie = bcm_parse_tlvs((const u8 *)sme->ie, sme->ie_len, DOT11_MNG_RSN_ID)) != NULL) { WL_DBG((" WPA2 IE is found\n")); } /* find the WPA_IE */ if ((wpa_ie = wl_cfgp2p_find_wpaie(sme->ie, sme->ie_len)) != NULL) { WL_DBG((" WPA IE is found\n")); } if (wpa_ie != NULL || wpa2_ie != NULL) { wpaie = (wpa_ie != NULL) ? (const u8 *)wpa_ie : (const u8 *)wpa2_ie; wpaie_len = (wpa_ie != NULL) ? wpa_ie->length : wpa2_ie->len; wpaie_len += WPA_RSN_IE_TAG_FIXED_LEN; err = wldev_iovar_setbuf(dev, "wpaie", wpaie, wpaie_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("wpaie set error (%d)\n", err)); goto exit; } } else { err = wldev_iovar_setbuf(dev, "wpaie", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("wpaie set error (%d)\n", err)); goto exit; } } err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx, VNDR_IE_ASSOCREQ_FLAG, (const u8 *)sme->ie, sme->ie_len); if (unlikely(err)) { goto exit; } } #if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION) if (dhdp->roam_env_detection) { bool is_roamtrig_reset = TRUE; bool is_roam_env_ok = (wldev_iovar_setint(dev, "roam_env_detection", AP_ENV_DETECT_NOT_USED) == BCME_OK); #ifdef SKIP_ROAM_TRIGGER_RESET roam_trigger[1] = WLC_BAND_2G; is_roamtrig_reset = (wldev_ioctl_get(dev, WLC_GET_ROAM_TRIGGER, roam_trigger, sizeof(roam_trigger)) == BCME_OK) && (roam_trigger[0] == WL_AUTO_ROAM_TRIGGER-10); #endif /* SKIP_ROAM_TRIGGER_RESET */ if (is_roamtrig_reset && is_roam_env_ok) { roam_trigger[0] = WL_AUTO_ROAM_TRIGGER; roam_trigger[1] = WLC_BAND_ALL; err = wldev_ioctl_set(dev, WLC_SET_ROAM_TRIGGER, roam_trigger, sizeof(roam_trigger)); if (unlikely(err)) { WL_ERR((" failed to restore roam_trigger for auto env" " detection\n")); } } } #endif /* ROAM_ENABLE && ROAM_AP_ENV_DETECTION */ if (chan) { cfg->channel = ieee80211_frequency_to_channel(chan->center_freq); chan_cnt = 1; WL_DBG(("channel (%d), center_req (%d), %d channels\n", cfg->channel, chan->center_freq, chan_cnt)); } else { WL_DBG(("No channel info from user space\n")); cfg->channel = 0; } #ifdef ESCAN_CHANNEL_CACHE /* * No channel information from user space. if ECC is enabled, the ECC * would prepare the channel list, else no channel would be provided * and firmware would need to do a full channel scan. * * Use cached channels. This might take slightly longer time compared * to using a single channel based join. But ECC would help choose * a better AP for a given ssid. For a given SSID there might multiple * APs on different channels and ECC would scan all those channels * before deciding up on the AP. This accounts for the additional delay. */ if (cfg->rcc_enabled || cfg->channel == 0) { wlc_ssid_t ssid; int band; err = wldev_get_band(dev, &band); if (!err) { set_roam_band(band); } memcpy(ssid.SSID, sme->ssid, sme->ssid_len); ssid.SSID_len = (uint32)sme->ssid_len; chan_cnt = get_roam_channel_list(cfg->channel, chanspec_list, MAX_ROAM_CHANNEL, &ssid, ioctl_version); WL_DBG(("RCC channel count:%d \n", chan_cnt)); } #endif /* ESCAN_CHANNEL_CACHE */ WL_DBG(("3. set wpa version \n")); err = wl_set_wpa_version(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid wpa_version\n")); goto exit; } #ifdef BCMWAPI_WPI if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1) WL_DBG(("4. WAPI Dont Set wl_set_auth_type\n")); else { WL_DBG(("4. wl_set_auth_type\n")); #endif // endif err = wl_set_auth_type(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid auth type\n")); goto exit; } #ifdef BCMWAPI_WPI } #endif // endif #ifdef WL_FILS if (sme->ie && sme->ie_len) { err = wl_fils_add_hlp_container(cfg, dev, sme->ie, sme->ie_len); if (unlikely(err)) { WL_ERR(("FILS sending HLP failed\n")); goto exit; } } #endif /* WL_FILS */ err = wl_set_set_cipher(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid ciper\n")); goto exit; } err = wl_set_key_mgmt(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid key mgmt\n")); goto exit; } err = wl_set_set_sharedkey(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid shared key\n")); goto exit; } #ifdef WL_FILS err = wl_set_fils_params(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid FILS params\n")); goto exit; } #endif /* WL_FILS */ /* * Join with specific BSSID and cached SSID * If SSID is zero join based on BSSID only */ join_params_size = WL_EXTJOIN_PARAMS_FIXED_SIZE + chan_cnt * sizeof(chanspec_t); ext_join_params = (wl_extjoin_params_t *)MALLOCZ(cfg->osh, join_params_size); if (ext_join_params == NULL) { err = -ENOMEM; wl_clr_drv_status(cfg, CONNECTING, dev); goto exit; } ext_join_params->ssid.SSID_len = (uint32)min(sizeof(ext_join_params->ssid.SSID), sme->ssid_len); memcpy(&ext_join_params->ssid.SSID, sme->ssid, ext_join_params->ssid.SSID_len); wl_update_prof(cfg, dev, NULL, &ext_join_params->ssid, WL_PROF_SSID); ext_join_params->ssid.SSID_len = htod32(ext_join_params->ssid.SSID_len); /* increate dwell time to receive probe response or detect Beacon * from target AP at a noisy air only during connect command */ ext_join_params->scan.active_time = chan_cnt ? WL_SCAN_JOIN_ACTIVE_DWELL_TIME_MS : -1; ext_join_params->scan.passive_time = chan_cnt ? WL_SCAN_JOIN_PASSIVE_DWELL_TIME_MS : -1; /* Set up join scan parameters */ ext_join_params->scan.scan_type = -1; ext_join_params->scan.nprobes = chan_cnt ? (ext_join_params->scan.active_time/WL_SCAN_JOIN_PROBE_INTERVAL_MS) : -1; ext_join_params->scan.home_time = -1; if (sme->bssid) memcpy(&ext_join_params->assoc.bssid, sme->bssid, ETH_ALEN); else memcpy(&ext_join_params->assoc.bssid, ðer_bcast, ETH_ALEN); ext_join_params->assoc.chanspec_num = chan_cnt; if (chan_cnt && !cfg->rcc_enabled) { if (cfg->channel) { /* * Use the channel provided by userspace */ u16 channel, band, bw, ctl_sb; chanspec_t chspec; channel = cfg->channel; band = (channel <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G; /* Get min_bw set for the interface */ bw = WL_CHANSPEC_BW_20; if (bw == INVCHANSPEC) { WL_ERR(("Invalid chanspec \n")); MFREE(cfg->osh, ext_join_params, join_params_size); err = BCME_ERROR; goto exit; } ctl_sb = WL_CHANSPEC_CTL_SB_NONE; chspec = (channel | band | bw | ctl_sb); ext_join_params->assoc.chanspec_list[0] &= WL_CHANSPEC_CHAN_MASK; ext_join_params->assoc.chanspec_list[0] |= chspec; ext_join_params->assoc.chanspec_list[0] = wl_chspec_host_to_driver(ext_join_params->assoc.chanspec_list[0]); } } #ifdef ESCAN_CHANNEL_CACHE else { memcpy(ext_join_params->assoc.chanspec_list, chanspec_list, sizeof(chanspec_t) * chan_cnt); } #endif /* ESCAN_CHANNEL_CACHE */ ext_join_params->assoc.chanspec_num = htod32(ext_join_params->assoc.chanspec_num); if (ext_join_params->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { WL_DBG(("ssid \"%s\", len (%d)\n", ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len)); } if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); MFREE(cfg->osh, ext_join_params, join_params_size); err = BCME_ERROR; goto exit; } #ifdef WLTDLS /* disable TDLS if number of connected interfaces is >= 1 */ wl_cfg80211_tdls_config(cfg, TDLS_STATE_CONNECT, false); #endif /* WLTDLS */ #ifdef WL_EXT_IAPSTA wl_ext_iapsta_update_channel(dhdp, dev, cfg->channel); #endif wl_ext_get_sec(dev, 0, sec, sizeof(sec)); if (cfg->rcc_enabled) { WL_MSG(dev->name, "Connecting with " MACDBG " ssid \"%s\", len (%d), " "sec=%s, with rcc channels. chan_cnt:%d \n\n", MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)), ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len, sec, chan_cnt); } else { WL_MSG(dev->name, "Connecting with " MACDBG " ssid \"%s\", len (%d), " "sec=%s, channel=%d\n\n", MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)), ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len, sec, cfg->channel); } SUPP_LOG(("[%s] Connecting with " MACDBG " ssid \"%s\"," "channel:%d rcc:%d\n", dev->name, MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)), ext_join_params->ssid.SSID, cfg->channel, cfg->rcc_enabled)); err = wldev_iovar_setbuf_bsscfg(dev, "join", ext_join_params, join_params_size, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); MFREE(cfg->osh, ext_join_params, join_params_size); if (err) { wl_clr_drv_status(cfg, CONNECTING, dev); if (err == BCME_UNSUPPORTED) { WL_DBG(("join iovar is not supported\n")); goto set_ssid; } else { WL_ERR(("join iovar error (%d)\n", err)); goto exit; } } else goto exit; set_ssid: #if defined(ROAMEXP_SUPPORT) /* Clear Blacklist bssid and Whitelist ssid list before join issue * This is temporary fix since currently firmware roaming is not * disabled by android framework before SSID join from framework */ /* Flush blacklist bssid content */ dhd_dev_set_blacklist_bssid(dev, NULL, 0, true); /* Flush whitelist ssid content */ dhd_dev_set_whitelist_ssid(dev, NULL, 0, true); #endif /* ROAMEXP_SUPPORT */ bzero(&join_params, sizeof(join_params)); join_params_size = sizeof(join_params.ssid); join_params.ssid.SSID_len = (uint32)min(sizeof(join_params.ssid.SSID), sme->ssid_len); memcpy(&join_params.ssid.SSID, sme->ssid, join_params.ssid.SSID_len); join_params.ssid.SSID_len = htod32(join_params.ssid.SSID_len); wl_update_prof(cfg, dev, NULL, &join_params.ssid, WL_PROF_SSID); if (sme->bssid) memcpy(&join_params.params.bssid, sme->bssid, ETH_ALEN); else memcpy(&join_params.params.bssid, ðer_bcast, ETH_ALEN); if (wl_ch_to_chanspec(dev, cfg->channel, &join_params, &join_params_size) < 0) { WL_ERR(("Invalid chanspec\n")); return -EINVAL; } WL_DBG(("join_param_size %zu\n", join_params_size)); if (join_params.ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { WL_MSG(dev->name, "ssid \"%s\", len (%d)\n", join_params.ssid.SSID, join_params.ssid.SSID_len); } err = wldev_ioctl_set(dev, WLC_SET_SSID, &join_params, join_params_size); exit: if (err) { WL_ERR(("error (%d)\n", err)); wl_clr_drv_status(cfg, CONNECTING, dev); wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL); #ifdef WLTDLS /* If connect fails, check whether we can enable back TDLS */ wl_cfg80211_tdls_config(cfg, TDLS_STATE_DISCONNECT, false); #endif /* WLTDLS */ } if (!err) wl_cfg80211_check_in4way(cfg, dev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY, WL_EXT_STATUS_CONNECTING, NULL); #ifdef DBG_PKT_MON if ((dev == bcmcfg_to_prmry_ndev(cfg)) && !err) { DHD_DBG_PKT_MON_START(dhdp); } #endif /* DBG_PKT_MON */ return err; } static void wl_cfg80211_disconnect_state_sync(struct bcm_cfg80211 *cfg, struct net_device *dev) { struct wireless_dev *wdev; uint8 wait_cnt; if (!dev || !dev->ieee80211_ptr) { WL_ERR(("wrong ndev\n")); return; } wdev = dev->ieee80211_ptr; wait_cnt = WAIT_FOR_DISCONNECT_STATE_SYNC; while ((wdev->current_bss) && wait_cnt) { WL_DBG(("Waiting for disconnect sync, wait_cnt: %d\n", wait_cnt)); wait_cnt--; OSL_SLEEP(50); } if (wait_cnt == 0) { /* state didn't get cleared within given timeout */ WL_INFORM_MEM(("cfg80211 state. wdev->current_bss non null\n")); } else { WL_MEM(("cfg80211 disconnect state sync done\n")); } } static void wl_cfg80211_wait_for_disconnection(struct bcm_cfg80211 *cfg, struct net_device *dev) { uint8 wait_cnt; u32 status = 0; wait_cnt = WAIT_FOR_DISCONNECT_MAX; while ((status = wl_get_drv_status(cfg, DISCONNECTING, dev)) && wait_cnt) { WL_DBG(("Waiting for disconnection, wait_cnt: %d\n", wait_cnt)); wait_cnt--; OSL_SLEEP(50); } WL_INFORM_MEM(("Wait for disconnection done. status:%d wait_cnt:%d\n", status, wait_cnt)); if (!wait_cnt && wl_get_drv_status(cfg, DISCONNECTING, dev)) { /* No response from firmware. Indicate connect result * to clear cfg80211 state machine */ WL_INFORM_MEM(("force send connect result\n")); CFG80211_CONNECT_RESULT(dev, NULL, NULL, NULL, 0, NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); wl_clr_drv_status(cfg, DISCONNECTING, dev); } return; } static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); scb_val_t scbval; bool act = false; s32 err = 0; u8 *curbssid = NULL; u8 null_bssid[ETHER_ADDR_LEN]; s32 bssidx = 0; dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); RETURN_EIO_IF_NOT_UP(cfg); act = *(bool *) wl_read_prof(cfg, dev, WL_PROF_ACT); curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID); WL_MSG(dev->name, "Reason %d, act %d\n", reason_code, act); BCM_REFERENCE(dhdp); DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_START), dhd_net2idx(dhdp->info, dev), reason_code); #ifdef DHD_4WAYM4_FAIL_DISCONNECT dhd_cleanup_m4_state_work(dhdp, dhd_net2idx(dhdp->info, dev)); #endif /* DHD_4WAYM4_FAIL_DISCONNECT */ #ifdef ESCAN_RESULT_PATCH if (wl_get_drv_status(cfg, CONNECTING, dev)) { if (curbssid) { WL_ERR(("Disconnecting while CONNECTING status" " connecting device: " MACDBG "\n", MAC2STRDBG(curbssid))); } else { WL_ERR(("Disconnecting while CONNECTING status \n")); } act = true; } #endif /* ESCAN_RESULT_PATCH */ if (!curbssid) { WL_ERR(("Disconnecting while CONNECTING status %d\n", (int)sizeof(null_bssid))); bzero(null_bssid, sizeof(null_bssid)); curbssid = null_bssid; } if (act) { #ifdef DBG_PKT_MON /* Stop packet monitor */ if (dev == bcmcfg_to_prmry_ndev(cfg)) { DHD_DBG_PKT_MON_STOP(dhdp); } #endif /* DBG_PKT_MON */ /* * Cancel ongoing scan to sync up with sme state machine of cfg80211. */ /* Let scan aborted by F/W */ if (cfg->scan_request) { WL_TRACE_HW4(("Aborting the scan! \n")); wl_cfg80211_cancel_scan(cfg); } /* Set DISCONNECTING state. We are clearing this state in all exit paths */ wl_set_drv_status(cfg, DISCONNECTING, dev); if (wl_get_drv_status(cfg, CONNECTING, dev) || wl_get_drv_status(cfg, CONNECTED, dev)) { scbval.val = reason_code; memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); scbval.val = htod32(scbval.val); WL_INFORM_MEM(("[%s] wl disassoc\n", dev->name)); err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)); if (unlikely(err)) { wl_clr_drv_status(cfg, DISCONNECTING, dev); WL_ERR(("error (%d)\n", err)); goto exit; } wl_cfg80211_check_in4way(cfg, dev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED, WL_EXT_STATUS_DISCONNECTING, NULL); } #ifdef WL_WPS_SYNC /* If are in WPS reauth state, then we would be * dropping the link down events. Ensure that * Event is sent up for the disconnect Req */ if (wl_wps_session_update(dev, WPS_STATE_DISCONNECT, curbssid) == BCME_OK) { WL_INFORM_MEM(("[WPS] Disconnect done.\n")); wl_clr_drv_status(cfg, DISCONNECTING, dev); } #endif /* WPS_SYNC */ wl_cfg80211_wait_for_disconnection(cfg, dev); } else { /* Not in connecting or connected state. However since disconnect came * from upper layer, indicate connect fail to clear any state mismatch */ WL_INFORM_MEM(("act is false. report connect result fail.\n")); CFG80211_CONNECT_RESULT(dev, NULL, NULL, NULL, 0, NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); } #ifdef CUSTOM_SET_CPUCORE /* set default cpucore */ if (dev == bcmcfg_to_prmry_ndev(cfg)) { dhdp->chan_isvht80 &= ~DHD_FLAG_STA_MODE; if (!(dhdp->chan_isvht80)) dhd_set_cpucore(dhdp, FALSE); } #endif /* CUSTOM_SET_CPUCORE */ cfg->rssi = 0; /* reset backup of rssi */ exit: /* Clear IEs for disaasoc */ if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find index failed\n")); err = -EINVAL; return err; } WL_ERR(("Clearing disconnect IEs \n")); err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx, VNDR_IE_DISASSOC_FLAG, NULL, 0); return err; } static s32 #if defined(WL_CFG80211_P2P_DEV_IF) wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_tx_power_setting type, s32 mbm) #else wl_cfg80211_set_tx_power(struct wiphy *wiphy, enum nl80211_tx_power_setting type, s32 dbm) #endif /* WL_CFG80211_P2P_DEV_IF */ { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = 0; #if defined(WL_CFG80211_P2P_DEV_IF) s32 dbm = MBM_TO_DBM(mbm); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || \ defined(WL_COMPAT_WIRELESS) || defined(WL_SUPPORT_BACKPORTED_KPATCHES) dbm = MBM_TO_DBM(dbm); #endif /* WL_CFG80211_P2P_DEV_IF */ RETURN_EIO_IF_NOT_UP(cfg); switch (type) { case NL80211_TX_POWER_AUTOMATIC: break; case NL80211_TX_POWER_LIMITED: if (dbm < 0) { WL_ERR(("TX_POWER_LIMITTED - dbm is negative\n")); return -EINVAL; } break; case NL80211_TX_POWER_FIXED: if (dbm < 0) { WL_ERR(("TX_POWER_FIXED - dbm is negative..\n")); return -EINVAL; } break; } err = wl_set_tx_power(ndev, type, dbm); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } cfg->conf->tx_power = dbm; return err; } static s32 #if defined(WL_CFG80211_P2P_DEV_IF) wl_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, s32 *dbm) #else wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) #endif /* WL_CFG80211_P2P_DEV_IF */ { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = 0; RETURN_EIO_IF_NOT_UP(cfg); err = wl_get_tx_power(ndev, dbm); if (unlikely(err)) WL_ERR(("error (%d)\n", err)); return err; } static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool unicast, bool multicast) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); u32 index; s32 wsec; s32 err = 0; s32 bssidx; if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } WL_DBG(("key index (%d)\n", key_idx)); RETURN_EIO_IF_NOT_UP(cfg); err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx); if (unlikely(err)) { WL_ERR(("WLC_GET_WSEC error (%d)\n", err)); return err; } if (wsec == WEP_ENABLED) { /* Just select a new current key */ index = (u32) key_idx; index = htod32(index); err = wldev_ioctl_set(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index)); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); } } return err; } static s32 wl_add_keyext(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, const u8 *mac_addr, struct key_params *params) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wl_wsec_key key; s32 err = 0; s32 bssidx; s32 mode = wl_get_mode_by_netdev(cfg, dev); WL_MSG(dev->name, "key index (%d)\n", key_idx); if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } bzero(&key, sizeof(key)); key.index = (u32) key_idx; if (!ETHER_ISMULTI(mac_addr)) memcpy((char *)&key.ea, (const void *)mac_addr, ETHER_ADDR_LEN); key.len = (u32) params->key_len; /* check for key index change */ if (key.len == 0) { /* key delete */ swap_key_from_BE(&key); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("key delete error (%d)\n", err)); return err; } } else { if (key.len > sizeof(key.data)) { WL_ERR(("Invalid key length (%d)\n", key.len)); return -EINVAL; } WL_DBG(("Setting the key index %d\n", key.index)); memcpy(key.data, params->key, key.len); if ((mode == WL_MODE_BSS) && (params->cipher == WLAN_CIPHER_SUITE_TKIP)) { u8 keybuf[8]; memcpy(keybuf, &key.data[24], sizeof(keybuf)); memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); memcpy(&key.data[16], keybuf, sizeof(keybuf)); } /* if IW_ENCODE_EXT_RX_SEQ_VALID set */ if (params->seq && params->seq_len == 6) { /* rx iv */ const u8 *ivptr; ivptr = (const u8 *) params->seq; key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | (ivptr[3] << 8) | ivptr[2]; key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; key.iv_initialized = true; } key.algo = wl_rsn_cipher_wsec_key_algo_lookup(params->cipher); if (key.algo == CRYPTO_ALGO_OFF) { //not found. WL_ERR(("Invalid cipher (0x%x)\n", params->cipher)); return -EINVAL; } swap_key_from_BE(&key); /* need to guarantee EAPOL 4/4 send out before set key */ dhd_wait_pend8021x(dev); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); return err; } WL_INFORM_MEM(("[%s] wsec key set\n", dev->name)); } return err; } int wl_cfg80211_enable_roam_offload(struct net_device *dev, int enable) { int err; wl_eventmsg_buf_t ev_buf; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); if (dev != bcmcfg_to_prmry_ndev(cfg)) { /* roam offload is only for the primary device */ return -1; } WL_INFORM_MEM(("[%s] wl roam_offload %d\n", dev->name, enable)); err = wldev_iovar_setint(dev, "roam_offload", enable); if (err) return err; bzero(&ev_buf, sizeof(wl_eventmsg_buf_t)); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_PSK_SUP, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ASSOC_REQ_IE, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ASSOC_RESP_IE, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_REASSOC, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_JOIN, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ROAM, !enable); err = wl_cfg80211_apply_eventbuffer(dev, cfg, &ev_buf); if (!err) { cfg->roam_offload = enable; } return err; } struct wireless_dev * wl_cfg80211_get_wdev_from_ifname(struct bcm_cfg80211 *cfg, const char *name) { struct net_info *iter, *next; if (name == NULL) { WL_ERR(("Iface name is not provided\n")); return NULL; } GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev) { if (strcmp(iter->ndev->name, name) == 0) { return iter->ndev->ieee80211_ptr; } } } WL_DBG(("Iface %s not found\n", name)); return NULL; } #if defined(PKT_FILTER_SUPPORT) && defined(APSTA_BLOCK_ARP_DURING_DHCP) void wl_cfg80211_block_arp(struct net_device *dev, int enable) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); WL_INFORM_MEM(("[%s] Enter. enable:%d\n", dev->name, enable)); if (!dhd_pkt_filter_enable) { WL_DBG(("Packet filter isn't enabled\n")); return; } /* Block/Unblock ARP frames only if STA is connected to * the upstream AP in case of STA+SoftAP Concurrenct mode */ if (!wl_get_drv_status(cfg, CONNECTED, dev)) { WL_DBG(("STA not connected to upstream AP\n")); return; } if (enable) { WL_DBG(("Enable ARP Filter\n")); /* Add ARP filter */ dhd_packet_filter_add_remove(dhdp, TRUE, DHD_BROADCAST_ARP_FILTER_NUM); /* Enable ARP packet filter - blacklist */ dhd_master_mode = FALSE; dhd_pktfilter_offload_enable(dhdp, dhdp->pktfilter[DHD_BROADCAST_ARP_FILTER_NUM], TRUE, dhd_master_mode); } else { WL_DBG(("Disable ARP Filter\n")); /* Disable ARP packet filter */ dhd_master_mode = TRUE; dhd_pktfilter_offload_enable(dhdp, dhdp->pktfilter[DHD_BROADCAST_ARP_FILTER_NUM], FALSE, dhd_master_mode); /* Delete ARP filter */ dhd_packet_filter_add_remove(dhdp, FALSE, DHD_BROADCAST_ARP_FILTER_NUM); } } #endif /* PKT_FILTER_SUPPORT && APSTA_BLOCK_ARP_DURING_DHCP */ static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params) { struct wl_wsec_key key; s32 val = 0; s32 wsec = 0; s32 err = 0; u8 keybuf[8]; s32 bssidx = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 mode = wl_get_mode_by_netdev(cfg, dev); #ifdef WL_GCMP uint32 algos = 0, mask = 0; #endif /* WL_GCMP */ #if defined(WLAN_CIPHER_SUITE_PMK) int j; wsec_pmk_t pmk; char keystring[WSEC_MAX_PSK_LEN + 1]; char* charptr = keystring; u16 len; struct wl_security *sec; #endif /* defined(WLAN_CIPHER_SUITE_PMK) */ dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); WL_INFORM_MEM(("key index (%d) (0x%x)\n", key_idx, params->cipher)); RETURN_EIO_IF_NOT_UP(cfg); if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } if (mac_addr && ((params->cipher != WLAN_CIPHER_SUITE_WEP40) && (params->cipher != WLAN_CIPHER_SUITE_WEP104))) { wl_add_keyext(wiphy, dev, key_idx, mac_addr, params); goto exit; } BCM_REFERENCE(dhdp); DHD_STATLOG_CTRL(dhdp, ST(INSTALL_KEY), dhd_net2idx(dhdp->info, dev), 0); bzero(&key, sizeof(key)); /* Clear any buffered wep key */ bzero(&cfg->wep_key, sizeof(struct wl_wsec_key)); key.len = (u32) params->key_len; key.index = (u32) key_idx; if (unlikely(key.len > sizeof(key.data))) { WL_ERR(("Too long key length (%u)\n", key.len)); return -EINVAL; } memcpy(key.data, params->key, key.len); key.flags = WL_PRIMARY_KEY; key.algo = wl_rsn_cipher_wsec_key_algo_lookup(params->cipher); val = wl_rsn_cipher_wsec_algo_lookup(params->cipher); if (val == WSEC_NONE) { WL_ERR(("Invalid cipher (0x%x)\n", params->cipher)); #if defined(WLAN_CIPHER_SUITE_PMK) /* WLAN_CIPHER_SUITE_PMK is not NL80211 standard ,but BRCM proprietary cipher suite. * so it doesn't have right algo type too. Just for now, bypass this check for * backward compatibility. * TODO: deprecate this proprietary way and replace to nl80211 set_pmk API. */ if (params->cipher != WLAN_CIPHER_SUITE_PMK) #endif /* defined(WLAN_CIPHER_SUITE_PMK) */ return -EINVAL; } switch (params->cipher) { case WLAN_CIPHER_SUITE_TKIP: /* wpa_supplicant switches the third and fourth quarters of the TKIP key */ if (mode == WL_MODE_BSS) { bcopy(&key.data[24], keybuf, sizeof(keybuf)); bcopy(&key.data[16], &key.data[24], sizeof(keybuf)); bcopy(keybuf, &key.data[16], sizeof(keybuf)); } WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); break; #if defined(WLAN_CIPHER_SUITE_PMK) case WLAN_CIPHER_SUITE_PMK: sec = wl_read_prof(cfg, dev, WL_PROF_SEC); WL_MEM(("set_pmk: wpa_auth:%x akm:%x\n", sec->wpa_auth, params->cipher)); /* Avoid pmk set for SAE and OWE for external supplicant case. */ if (IS_AKM_SAE(sec->wpa_auth) || IS_AKM_OWE(sec->wpa_auth)) { WL_INFORM_MEM(("skip pmk set for akm:%x\n", sec->wpa_auth)); break; } if ((sec->wpa_auth == WLAN_AKM_SUITE_8021X) || (sec->wpa_auth == WL_AKM_SUITE_SHA256_1X)) { err = wldev_iovar_setbuf(dev, "okc_info_pmk", (const void *)params->key, WSEC_MAX_PSK_LEN / 2, keystring, sizeof(keystring), NULL); if (err) { /* could fail in case that 'okc' is not supported */ WL_INFORM_MEM(("okc_info_pmk failed, err=%d (ignore)\n", err)); } } /* copy the raw hex key to the appropriate format */ for (j = 0; j < (WSEC_MAX_PSK_LEN / 2); j++) { charptr += snprintf(charptr, sizeof(keystring), "%02x", params->key[j]); } len = (u16)strlen(keystring); pmk.key_len = htod16(len); bcopy(keystring, pmk.key, len); pmk.flags = htod16(WSEC_PASSPHRASE); err = wldev_ioctl_set(dev, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk)); if (err) { return err; } /* Clear key length to delete key */ key.len = 0; break; #endif /* WLAN_CIPHER_SUITE_PMK */ #ifdef WL_GCMP case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: case WLAN_CIPHER_SUITE_BIP_GMAC_128: case WLAN_CIPHER_SUITE_BIP_GMAC_256: algos = KEY_ALGO_MASK(key.algo); mask = algos | KEY_ALGO_MASK(CRYPTO_ALGO_AES_CCM); break; #endif /* WL_GCMP */ default: /* No post processing required */ WL_DBG(("no post processing required (0x%x)\n", params->cipher)); break; } /* Set the new key/index */ if ((mode == WL_MODE_IBSS) && (val & (TKIP_ENABLED | AES_ENABLED))) { WL_ERR(("IBSS KEY setted\n")); wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_NONE); } swap_key_from_BE(&key); if ((params->cipher == WLAN_CIPHER_SUITE_WEP40) || (params->cipher == WLAN_CIPHER_SUITE_WEP104)) { /* * For AP role, since we are doing a wl down before bringing up AP, * the plumbed keys will be lost. So for AP once we bring up AP, we * need to plumb keys again. So buffer the keys for future use. This * is more like a WAR. If firmware later has the capability to do * interface upgrade without doing a "wl down" and "wl apsta 0", then * this will not be required. */ WL_DBG(("Buffering WEP Keys \n")); memcpy(&cfg->wep_key, &key, sizeof(struct wl_wsec_key)); } err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); return err; } exit: err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx); if (unlikely(err)) { WL_ERR(("get wsec error (%d)\n", err)); return err; } wsec |= val; err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (unlikely(err)) { WL_ERR(("set wsec error (%d)\n", err)); return err; } #ifdef WL_GCMP wl_set_wsec_info_algos(dev, algos, mask); #endif /* WL_GCMP */ wl_cfg80211_check_in4way(cfg, dev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY, WL_EXT_STATUS_ADD_KEY, NULL); return err; } static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr) { struct wl_wsec_key key; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; s32 bssidx; dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } WL_DBG(("Enter\n")); #ifndef MFP if ((key_idx >= DOT11_MAX_DEFAULT_KEYS) && (key_idx < DOT11_MAX_DEFAULT_KEYS+2)) return -EINVAL; #endif // endif RETURN_EIO_IF_NOT_UP(cfg); BCM_REFERENCE(dhdp); DHD_STATLOG_CTRL(dhdp, ST(DELETE_KEY), dhd_net2idx(dhdp->info, dev), 0); bzero(&key, sizeof(key)); key.flags = WL_PRIMARY_KEY; key.algo = CRYPTO_ALGO_OFF; key.index = (u32) key_idx; WL_DBG(("key index (%d)\n", key_idx)); /* Set the new key/index */ swap_key_from_BE(&key); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { if (err == -EINVAL) { if (key.index >= DOT11_MAX_DEFAULT_KEYS) { /* we ignore this key index in this case */ WL_DBG(("invalid key index (%d)\n", key_idx)); } } else { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); } return err; } return err; } /* NOTE : this function cannot work as is and is never called */ static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, void (*callback) (void *cookie, struct key_params * params)) { struct key_params params; struct wl_wsec_key key; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wl_security *sec; s32 wsec; s32 err = 0; s32 bssidx; if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } WL_DBG(("key index (%d)\n", key_idx)); RETURN_EIO_IF_NOT_UP(cfg); bzero(&key, sizeof(key)); key.index = key_idx; swap_key_to_BE(&key); bzero(¶ms, sizeof(params)); params.key_len = (u8) min_t(u8, DOT11_MAX_KEY_SIZE, key.len); params.key = key.data; err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx); if (unlikely(err)) { WL_ERR(("WLC_GET_WSEC error (%d)\n", err)); return err; } switch (WSEC_ENABLED(wsec)) { case WEP_ENABLED: sec = wl_read_prof(cfg, dev, WL_PROF_SEC); if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { params.cipher = WLAN_CIPHER_SUITE_WEP40; WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n")); } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { params.cipher = WLAN_CIPHER_SUITE_WEP104; WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n")); } break; case TKIP_ENABLED: params.cipher = WLAN_CIPHER_SUITE_TKIP; WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); break; case AES_ENABLED: params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n")); break; #ifdef BCMWAPI_WPI case SMS4_ENABLED: params.cipher = WLAN_CIPHER_SUITE_SMS4; WL_DBG(("WLAN_CIPHER_SUITE_SMS4\n")); break; #endif // endif #if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED) /* to connect to mixed mode AP */ case (AES_ENABLED | TKIP_ENABLED): /* TKIP CCMP */ params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); break; #endif // endif default: WL_ERR(("Invalid algo (0x%x)\n", wsec)); return -EINVAL; } callback(cookie, ¶ms); return err; } static s32 wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx) { #ifdef MFP return 0; #else WL_INFORM_MEM(("Not supported\n")); return -EOPNOTSUPP; #endif /* MFP */ } static bool wl_check_assoc_state(struct bcm_cfg80211 *cfg, struct net_device *dev) { wl_assoc_info_t asinfo; uint32 state = 0; int err; err = wldev_iovar_getbuf_bsscfg(dev, "assoc_info", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_MEDLEN, 0, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("failed to get assoc_info : err=%d\n", err)); return FALSE; } else { memcpy(&asinfo, cfg->ioctl_buf, sizeof(wl_assoc_info_t)); state = dtoh32(asinfo.state); WL_DBG(("assoc state=%d\n", state)); } return (state > 0)? TRUE:FALSE; } static s32 wl_cfg80211_get_rssi(struct net_device *dev, struct bcm_cfg80211 *cfg, s32 *rssi) { s32 err = BCME_OK; scb_val_t scb_val; #ifdef SUPPORT_RSSI_SUM_REPORT wl_rssi_ant_mimo_t rssi_ant_mimo; #endif /* SUPPORT_RSSI_SUM_REPORT */ if (dev == NULL || cfg == NULL) { return BCME_ERROR; } /* initialize rssi */ *rssi = 0; #ifdef SUPPORT_RSSI_SUM_REPORT /* Query RSSI sum across antennas */ bzero(&rssi_ant_mimo, sizeof(rssi_ant_mimo)); err = wl_get_rssi_per_ant(dev, dev->name, NULL, &rssi_ant_mimo); if (err) { WL_ERR(("Could not get rssi sum (%d)\n", err)); /* set rssi to zero and do not return error, * because iovar phy_rssi_ant could return BCME_UNSUPPORTED * when bssid was null during roaming */ err = BCME_OK; } else { cfg->rssi_sum_report = TRUE; if ((*rssi = rssi_ant_mimo.rssi_sum) >= 0) { *rssi = 0; } } #endif /* SUPPORT_RSSI_SUM_REPORT */ /* if SUPPORT_RSSI_SUM_REPORT works once, do not use legacy method anymore */ if (cfg->rssi_sum_report == FALSE) { bzero(&scb_val, sizeof(scb_val)); scb_val.val = 0; err = wldev_ioctl_get(dev, WLC_GET_RSSI, &scb_val, sizeof(scb_val_t)); if (err) { WL_ERR(("Could not get rssi (%d)\n", err)); return err; } #if defined(RSSIOFFSET) *rssi = wl_update_rssi_offset(dev, dtoh32(scb_val.val)); #else *rssi = dtoh32(scb_val.val); #endif } if (*rssi >= 0) { /* check assoc status including roaming */ DHD_OS_WAKE_LOCK((dhd_pub_t *)(cfg->pub)); if (wl_get_drv_status(cfg, CONNECTED, dev) && wl_check_assoc_state(cfg, dev)) { *rssi = cfg->rssi; /* use previous RSSI */ WL_DBG(("use previous RSSI %d dBm\n", cfg->rssi)); } else { *rssi = 0; } DHD_OS_WAKE_UNLOCK((dhd_pub_t *)(cfg->pub)); } else { /* backup the current rssi */ cfg->rssi = *rssi; } return err; } static int wl_cfg80211_ifstats_counters_cb(void *ctx, const uint8 *data, uint16 type, uint16 len) { switch (type) { case WL_IFSTATS_XTLV_IF_INDEX: WL_DBG(("Stats received on interface index: %d\n", *data)); break; case WL_IFSTATS_XTLV_GENERIC: { if (len > sizeof(wl_if_stats_t)) { WL_INFORM(("type 0x%x: cntbuf length too long! %d > %d\n", type, len, (int)sizeof(wl_if_stats_t))); } memcpy(ctx, data, sizeof(wl_if_stats_t)); break; } default: WL_DBG(("Unsupported counter type 0x%x\n", type)); break; } return BCME_OK; } /* Parameters to if_counters iovar need to be converted to XTLV format * before sending to FW. The length of the top level XTLV container * containing parameters should not exceed 228 bytes */ #define IF_COUNTERS_PARAM_CONTAINER_LEN_MAX 228 int wl_cfg80211_ifstats_counters(struct net_device *dev, wl_if_stats_t *if_stats) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); uint8 *pbuf = NULL; bcm_xtlvbuf_t xtlvbuf, local_xtlvbuf; bcm_xtlv_t *xtlv; uint16 expected_resp_len; wl_stats_report_t *request = NULL, *response = NULL; int bsscfg_idx; int ret = BCME_OK; pbuf = (uint8 *)MALLOCZ(dhdp->osh, WLC_IOCTL_MEDLEN); if (!pbuf) { WL_ERR(("Failed to allocate local pbuf\n")); return BCME_NOMEM; } /* top level container length cannot exceed 228 bytes. * This is because the output buffer is 1535 bytes long. * Allow 1300 bytes for reporting stats coming in XTLV format */ request = (wl_stats_report_t *) MALLOCZ(dhdp->osh, IF_COUNTERS_PARAM_CONTAINER_LEN_MAX); if (!request) { WL_ERR(("Failed to allocate wl_stats_report_t with length (%d)\n", IF_COUNTERS_PARAM_CONTAINER_LEN_MAX)); ret = BCME_NOMEM; goto fail; } request->version = WL_STATS_REPORT_REQUEST_VERSION_V2; /* Top level container... we will create it ourselves */ /* Leave space for report version, length, and top level XTLV * WL_IFSTATS_XTLV_IF. */ ret = bcm_xtlv_buf_init(&local_xtlvbuf, (uint8*)(request->data) + BCM_XTLV_HDR_SIZE, IF_COUNTERS_PARAM_CONTAINER_LEN_MAX - offsetof(wl_stats_report_t, data) - BCM_XTLV_HDR_SIZE, BCM_XTLV_OPTION_ALIGN32); if (ret) { goto fail; } /* Populate requests using this the local_xtlvbuf context. The xtlvbuf * is used to fill the container containing the XTLVs populated using * local_xtlvbuf. */ ret = bcm_xtlv_buf_init(&xtlvbuf, (uint8*)(request->data), IF_COUNTERS_PARAM_CONTAINER_LEN_MAX - offsetof(wl_stats_report_t, data), BCM_XTLV_OPTION_ALIGN32); if (ret) { goto fail; } /* Request generic stats */ ret = bcm_xtlv_put_data(&local_xtlvbuf, WL_IFSTATS_XTLV_GENERIC, NULL, 0); if (ret) { goto fail; } /* Complete the outer container with type and length * only. */ ret = bcm_xtlv_put_data(&xtlvbuf, WL_IFSTATS_XTLV_IF, NULL, bcm_xtlv_buf_len(&local_xtlvbuf)); if (ret) { goto fail; } request->length = bcm_xtlv_buf_len(&xtlvbuf) + offsetof(wl_stats_report_t, data); bsscfg_idx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr); /* send the command over to the device and get teh output */ ret = wldev_iovar_getbuf_bsscfg(dev, "if_counters", (void *)request, request->length, pbuf, WLC_IOCTL_MEDLEN, bsscfg_idx, &cfg->ioctl_buf_sync); if (ret < 0) { WL_ERR(("if_counters not supported ret=%d\n", ret)); goto fail; } /* Reuse request to process response */ response = (wl_stats_report_t *)pbuf; /* version check */ if (response->version != WL_STATS_REPORT_REQUEST_VERSION_V2) { ret = BCME_VERSION; goto fail; } xtlv = (bcm_xtlv_t *)(response->data); expected_resp_len = (BCM_XTLV_LEN(xtlv) + OFFSETOF(wl_stats_report_t, data)); /* Check if the received length is as expected */ if ((response->length > WLC_IOCTL_MEDLEN) || (response->length < expected_resp_len)) { ret = BCME_ERROR; WL_ERR(("Illegal response length received. Got: %d" " Expected: %d. Expected len must be <= %u\n", response->length, expected_resp_len, WLC_IOCTL_MEDLEN)); goto fail; } /* check the type. The return data will be in * WL_IFSTATS_XTLV_IF container. So check if that container is * present */ if (BCM_XTLV_ID(xtlv) != WL_IFSTATS_XTLV_IF) { ret = BCME_ERROR; WL_ERR(("unexpected type received: %d Expected: %d\n", BCM_XTLV_ID(xtlv), WL_IFSTATS_XTLV_IF)); goto fail; } /* Process XTLVs within WL_IFSTATS_XTLV_IF container */ ret = bcm_unpack_xtlv_buf(if_stats, (uint8*)response->data + BCM_XTLV_HDR_SIZE, BCM_XTLV_LEN(xtlv), /* total length of all TLVs in container */ BCM_XTLV_OPTION_ALIGN32, wl_cfg80211_ifstats_counters_cb); if (ret) { WL_ERR(("Error unpacking XTLVs in wl_ifstats_counters: %d\n", ret)); } fail: if (pbuf) { MFREE(dhdp->osh, pbuf, WLC_IOCTL_MEDLEN); } if (request) { MFREE(dhdp->osh, request, IF_COUNTERS_PARAM_CONTAINER_LEN_MAX); } return ret; } #undef IF_COUNTERS_PARAM_CONTAINER_LEN_MAX static s32 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_info *sinfo) #else wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_info *sinfo) #endif // endif { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 rssi = 0; s32 rate = 0; s32 err = 0; u16 wl_iftype = 0; u16 wl_mode = 0; get_pktcnt_t pktcnt; wl_if_stats_t *if_stats = NULL; sta_info_v4_t *sta = NULL; u8 *curmacp = NULL; s8 eabuf[ETHER_ADDR_STR_LEN]; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); bool fw_assoc_state = FALSE; u32 dhd_assoc_state = 0; void *buf; RETURN_EIO_IF_NOT_UP(cfg); if (cfg80211_to_wl_iftype(dev->ieee80211_ptr->iftype, &wl_iftype, &wl_mode) < 0) { return -EINVAL; } buf = MALLOC(cfg->osh, MAX(sizeof(wl_if_stats_t), WLC_IOCTL_SMLEN)); if (buf == NULL) { WL_ERR(("wl_cfg80211_get_station: MALLOC failed\n")); goto error; } switch (wl_iftype) { case WL_IF_TYPE_STA: case WL_IF_TYPE_IBSS: if (cfg->roam_offload) { struct ether_addr bssid; bzero(&bssid, sizeof(bssid)); err = wldev_ioctl_get(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN); if (err) { WL_ERR(("Failed to get current BSSID\n")); } else { if (memcmp(mac, &bssid.octet, ETHER_ADDR_LEN) != 0) { /* roaming is detected */ err = wl_cfg80211_delayed_roam(cfg, dev, &bssid); if (err) WL_ERR(("Failed to handle the delayed" " roam, err=%d", err)); mac = (u8 *)bssid.octet; } } } dhd_assoc_state = wl_get_drv_status(cfg, CONNECTED, dev); DHD_OS_WAKE_LOCK(dhd); fw_assoc_state = dhd_is_associated(dhd, 0, &err); if (dhd_assoc_state && !fw_assoc_state) { /* check roam (join) status */ if (wl_check_assoc_state(cfg, dev)) { fw_assoc_state = TRUE; WL_DBG(("roam status\n")); } } DHD_OS_WAKE_UNLOCK(dhd); if (!dhd_assoc_state || !fw_assoc_state) { WL_ERR(("NOT assoc\n")); if (err == -ENODATA) goto error; if (!dhd_assoc_state) { WL_TRACE_HW4(("drv state is not connected \n")); } if (!fw_assoc_state) { WL_TRACE_HW4(("fw state is not associated \n")); } /* Disconnect due to fw is not associated for * FW_ASSOC_WATCHDOG_TIME ms. * 'err == 0' of dhd_is_associated() and '!fw_assoc_state' * means that BSSID is null. */ if (dhd_assoc_state && !fw_assoc_state && !err) { if (!fw_assoc_watchdog_started) { fw_assoc_watchdog_ms = OSL_SYSUPTIME(); fw_assoc_watchdog_started = TRUE; WL_TRACE_HW4(("fw_assoc_watchdog_started \n")); } else if (OSL_SYSUPTIME() - fw_assoc_watchdog_ms > FW_ASSOC_WATCHDOG_TIME) { fw_assoc_watchdog_started = FALSE; err = -ENODEV; WL_TRACE_HW4(("fw is not associated for %d ms \n", (OSL_SYSUPTIME() - fw_assoc_watchdog_ms))); goto get_station_err; } } err = -ENODEV; goto error; } if (dhd_is_associated(dhd, 0, NULL)) { fw_assoc_watchdog_started = FALSE; } curmacp = wl_read_prof(cfg, dev, WL_PROF_BSSID); if (memcmp(mac, curmacp, ETHER_ADDR_LEN)) { WL_ERR(("Wrong Mac address: "MACDBG" != "MACDBG"\n", MAC2STRDBG(mac), MAC2STRDBG(curmacp))); } /* go through to get another information */ case WL_IF_TYPE_P2P_GC: case WL_IF_TYPE_P2P_DISC: if ((err = wl_cfg80211_get_rssi(dev, cfg, &rssi)) != BCME_OK) { goto get_station_err; } #if defined(RSSIAVG) err = wl_update_connected_rssi_cache(dev, &cfg->g_connected_rssi_cache_ctrl, &rssi); if (err) { WL_ERR(("Could not get rssi (%d)\n", err)); goto get_station_err; } wl_delete_dirty_rssi_cache(&cfg->g_connected_rssi_cache_ctrl); wl_reset_rssi_cache(&cfg->g_connected_rssi_cache_ctrl); #endif #if defined(RSSIOFFSET) rssi = wl_update_rssi_offset(dev, rssi); #endif #if !defined(RSSIAVG) && !defined(RSSIOFFSET) // terence 20150419: limit the max. rssi to -2 or the bss will be filtered out in android OS rssi = MIN(rssi, RSSI_MAXVAL); #endif sinfo->filled |= STA_INFO_BIT(INFO_SIGNAL); sinfo->signal = rssi; WL_DBG(("RSSI %d dBm\n", rssi)); /* go through to get another information */ case WL_IF_TYPE_P2P_GO: /* Report the current tx rate */ rate = 0; err = wldev_ioctl_get(dev, WLC_GET_RATE, &rate, sizeof(rate)); if (err) { WL_ERR(("Could not get rate (%d)\n", err)); } else { #if defined(USE_DYNAMIC_MAXPKT_RXGLOM) int rxpktglom; #endif // endif rate = dtoh32(rate); sinfo->filled |= STA_INFO_BIT(INFO_TX_BITRATE); sinfo->txrate.legacy = rate * 5; WL_DBG(("Rate %d Mbps\n", (rate / 2))); #if defined(USE_DYNAMIC_MAXPKT_RXGLOM) rxpktglom = ((rate/2) > 150) ? 20 : 10; if (maxrxpktglom != rxpktglom) { maxrxpktglom = rxpktglom; WL_DBG(("Rate %d Mbps, update bus:" "maxtxpktglom=%d\n", (rate/2), maxrxpktglom)); err = wldev_iovar_setbuf(dev, "bus:maxtxpktglom", (char*)&maxrxpktglom, 4, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("set bus:maxtxpktglom failed, %d\n", err)); } } #endif // endif } if_stats = (wl_if_stats_t *)buf; bzero(if_stats, sizeof(*if_stats)); if (FW_SUPPORTED(dhd, ifst)) { err = wl_cfg80211_ifstats_counters(dev, if_stats); } else { err = wldev_iovar_getbuf(dev, "if_counters", NULL, 0, (char *)if_stats, sizeof(*if_stats), NULL); } if (err) { // WL_ERR(("if_counters not supported ret=%d\n", err)); bzero(&pktcnt, sizeof(pktcnt)); err = wldev_ioctl_get(dev, WLC_GET_PKTCNTS, &pktcnt, sizeof(pktcnt)); if (!err) { sinfo->rx_packets = pktcnt.rx_good_pkt; sinfo->rx_dropped_misc = pktcnt.rx_bad_pkt; sinfo->tx_packets = pktcnt.tx_good_pkt; sinfo->tx_failed = pktcnt.tx_bad_pkt; } } else { sinfo->rx_packets = (uint32)dtoh64(if_stats->rxframe); sinfo->rx_dropped_misc = 0; sinfo->tx_packets = (uint32)dtoh64(if_stats->txfrmsnt); sinfo->tx_failed = (uint32)dtoh64(if_stats->txnobuf) + (uint32)dtoh64(if_stats->txrunt) + (uint32)dtoh64(if_stats->txfail); } sinfo->filled |= (STA_INFO_BIT(INFO_RX_PACKETS) | STA_INFO_BIT(INFO_RX_DROP_MISC) | STA_INFO_BIT(INFO_TX_PACKETS) | STA_INFO_BIT(INFO_TX_FAILED)); get_station_err: if (err && (err != -ENODATA)) { /* Disconnect due to zero BSSID or error to get RSSI */ scb_val_t scbval; DHD_STATLOG_CTRL(dhd, ST(DISASSOC_INT_START), dhd_net2idx(dhd->info, dev), DOT11_RC_DISASSOC_LEAVING); scbval.val = htod32(DOT11_RC_DISASSOC_LEAVING); err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)); if (unlikely(err)) { WL_ERR(("disassoc error (%d)\n", err)); } WL_ERR(("force cfg80211_disconnected: %d\n", err)); wl_clr_drv_status(cfg, CONNECTED, dev); DHD_STATLOG_CTRL(dhd, ST(DISASSOC_DONE), dhd_net2idx(dhd->info, dev), DOT11_RC_DISASSOC_LEAVING); CFG80211_DISCONNECTED(dev, 0, NULL, 0, false, GFP_KERNEL); wl_link_down(cfg); } break; case WL_IF_TYPE_AP: err = wldev_iovar_getbuf(dev, "sta_info", (const void*)mac, ETHER_ADDR_LEN, buf, WLC_IOCTL_SMLEN, NULL); if (err < 0) { WL_ERR(("GET STA INFO failed, %d\n", err)); goto error; } sinfo->filled = STA_INFO_BIT(INFO_INACTIVE_TIME); sta = (sta_info_v4_t *)buf; if (sta->ver != WL_STA_VER_4 && sta->ver != WL_STA_VER_5) { WL_ERR(("GET STA INFO version mismatch, %d\n", err)); return BCME_VERSION; } sta->len = dtoh16(sta->len); sta->cap = dtoh16(sta->cap); sta->flags = dtoh32(sta->flags); sta->idle = dtoh32(sta->idle); sta->in = dtoh32(sta->in); sinfo->inactive_time = sta->idle * 1000; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) || defined(WL_COMPAT_WIRELESS) if (sta->flags & WL_STA_ASSOC) { sinfo->filled |= STA_INFO_BIT(INFO_CONNECTED_TIME); sinfo->connected_time = sta->in; } #endif // endif WL_INFORM_MEM(("STA %s, flags 0x%x, idle time %ds, connected time %ds\n", bcm_ether_ntoa((const struct ether_addr *)mac, eabuf), sta->flags, sta->idle, sta->in)); break; default : WL_ERR(("Invalid device mode %d\n", wl_get_mode_by_netdev(cfg, dev))); } error: if (buf) { MFREE(cfg->osh, buf, MAX(sizeof(wl_if_stats_t), WLC_IOCTL_SMLEN)); } return err; } static s32 wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, s32 timeout) { s32 pm; s32 err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_info *_net_info = wl_get_netinfo_by_netdev(cfg, dev); s32 mode; #ifdef RTT_SUPPORT rtt_status_info_t *rtt_status; #endif /* RTT_SUPPORT */ dhd_pub_t *dhd = cfg->pub; RETURN_EIO_IF_NOT_UP(cfg); WL_DBG(("Enter\n")); mode = wl_get_mode_by_netdev(cfg, dev); if (cfg->p2p_net == dev || _net_info == NULL || !wl_get_drv_status(cfg, CONNECTED, dev) || ((mode != WL_MODE_BSS) && (mode != WL_MODE_IBSS))) { return err; } /* Enlarge pm_enable_work */ wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_LONG); pm = enabled ? PM_FAST : PM_OFF; if (_net_info->pm_block) { WL_ERR(("%s:Do not enable the power save for pm_block %d\n", dev->name, _net_info->pm_block)); pm = PM_OFF; } if (enabled && dhd_conf_get_pm(dhd) >= 0) pm = dhd_conf_get_pm(dhd); pm = htod32(pm); WL_DBG(("%s:power save %s\n", dev->name, (pm ? "enabled" : "disabled"))); #ifdef RTT_SUPPORT rtt_status = GET_RTTSTATE(dhd); if (rtt_status->status != RTT_ENABLED) { #endif /* RTT_SUPPORT */ err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm)); if (unlikely(err)) { if (err == -ENODEV) WL_DBG(("net_device is not ready yet\n")); else WL_ERR(("error (%d)\n", err)); return err; } #ifdef RTT_SUPPORT } #endif /* RTT_SUPPORT */ wl_cfg80211_update_power_mode(dev); return err; } void wl_cfg80211_update_power_mode(struct net_device *dev) { int err, pm = -1; err = wldev_ioctl_get(dev, WLC_GET_PM, &pm, sizeof(pm)); if (err) WL_ERR(("error (%d)\n", err)); else if (pm != -1 && dev->ieee80211_ptr) dev->ieee80211_ptr->ps = (pm == PM_OFF) ? false : true; } static __used u32 wl_find_msb(u16 bit16) { u32 ret = 0; if (bit16 & 0xff00) { ret += 8; bit16 >>= 8; } if (bit16 & 0xf0) { ret += 4; bit16 >>= 4; } if (bit16 & 0xc) { ret += 2; bit16 >>= 2; } if (bit16 & 2) ret += bit16 & 2; else if (bit16) ret += bit16; return ret; } static s32 wl_cfg80211_resume(struct wiphy *wiphy) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = BCME_OK; if (unlikely(!wl_get_drv_status(cfg, READY, ndev))) { WL_INFORM_MEM(("device is not ready\n")); return err; } return err; } static s32 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow) #else wl_cfg80211_suspend(struct wiphy *wiphy) #endif // endif { s32 err = BCME_OK; #ifdef DHD_CLEAR_ON_SUSPEND struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_info *iter, *next; struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); unsigned long flags; if (unlikely(!wl_get_drv_status(cfg, READY, ndev))) { WL_INFORM_MEM(("device is not ready : status (%d)\n", (int)cfg->status)); return err; } for_each_ndev(cfg, iter, next) { /* p2p discovery iface doesn't have a ndev associated with it (for kernel > 3.8) */ if (iter->ndev) wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev); } WL_CFG_DRV_LOCK(&cfg->cfgdrv_lock, flags); if (cfg->scan_request) { wl_notify_scan_done(cfg, true); cfg->scan_request = NULL; } for_each_ndev(cfg, iter, next) { if (iter->ndev) { wl_clr_drv_status(cfg, SCANNING, iter->ndev); wl_clr_drv_status(cfg, SCAN_ABORTING, iter->ndev); } } WL_CFG_DRV_UNLOCK(&cfg->cfgdrv_lock, flags); for_each_ndev(cfg, iter, next) { if (iter->ndev) { if (wl_get_drv_status(cfg, CONNECTING, iter->ndev)) { wl_bss_connect_done(cfg, iter->ndev, NULL, NULL, false); } } } #endif /* DHD_CLEAR_ON_SUSPEND */ return err; } static s32 wl_update_pmklist(struct net_device *dev, struct wl_pmk_list *pmk_list, s32 err) { int i, j; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg); int npmkids = cfg->pmk_list->pmkids.count; ASSERT(cfg->pmk_list->pmkids.length >= (sizeof(u16)*2)); if (!pmk_list) { WL_ERR(("pmk_list is NULL\n")); return -EINVAL; } /* pmk list is supported only for STA interface i.e. primary interface * Refer code wlc_bsscfg.c->wlc_bsscfg_sta_init */ if (primary_dev != dev) { WL_INFORM_MEM(("Not supporting Flushing pmklist on virtual" " interfaces than primary interface\n")); return err; } WL_DBG(("No of elements %d\n", npmkids)); for (i = 0; i < npmkids; i++) { WL_DBG(("PMKID[%d]: %pM =\n", i, &pmk_list->pmkids.pmkid[i].bssid)); for (j = 0; j < WPA2_PMKID_LEN; j++) { WL_DBG(("%02x\n", pmk_list->pmkids.pmkid[i].pmkid[j])); } } if (cfg->wlc_ver.wlc_ver_major >= MIN_PMKID_LIST_V3_FW_MAJOR) { pmk_list->pmkids.version = PMKID_LIST_VER_3; err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmk_list, sizeof(*pmk_list), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); } else if (cfg->wlc_ver.wlc_ver_major == MIN_PMKID_LIST_V2_FW_MAJOR) { u32 v2_list_size = (u32)(sizeof(pmkid_list_v2_t) + npmkids*sizeof(pmkid_v2_t)); pmkid_list_v2_t *pmkid_v2_list = (pmkid_list_v2_t *)MALLOCZ(cfg->osh, v2_list_size); if (pmkid_v2_list == NULL) { WL_ERR(("failed to allocate pmkid list\n")); return BCME_NOMEM; } pmkid_v2_list->version = PMKID_LIST_VER_2; /* Account for version, length and pmkid_v2_t fields */ pmkid_v2_list->length = (npmkids * sizeof(pmkid_v2_t)) + (2 * sizeof(u16)); for (i = 0; i < npmkids; i++) { /* memcpy_s return checks not needed as buffers are of same size */ (void)memcpy_s(&pmkid_v2_list->pmkid[i].BSSID, ETHER_ADDR_LEN, &pmk_list->pmkids.pmkid[i].bssid, ETHER_ADDR_LEN); /* copy pmkid if available */ if (pmk_list->pmkids.pmkid[i].pmkid_len) { (void)memcpy_s(pmkid_v2_list->pmkid[i].PMKID, WPA2_PMKID_LEN, pmk_list->pmkids.pmkid[i].pmkid, pmk_list->pmkids.pmkid[i].pmkid_len); } if (pmk_list->pmkids.pmkid[i].pmk_len) { (void)memcpy_s(pmkid_v2_list->pmkid[i].pmk, pmk_list->pmkids.pmkid[i].pmk_len, pmk_list->pmkids.pmkid[i].pmk, pmk_list->pmkids.pmkid[i].pmk_len); pmkid_v2_list->pmkid[i].pmk_len = pmk_list->pmkids.pmkid[i].pmk_len; } if (pmk_list->pmkids.pmkid[i].ssid_len) { (void)memcpy_s(pmkid_v2_list->pmkid[i].ssid.ssid, pmk_list->pmkids.pmkid[i].ssid_len, pmk_list->pmkids.pmkid[i].ssid, pmk_list->pmkids.pmkid[i].ssid_len); pmkid_v2_list->pmkid[i].ssid.ssid_len = pmk_list->pmkids.pmkid[i].ssid_len; } (void)memcpy_s(pmkid_v2_list->pmkid[i].fils_cache_id, FILS_CACHE_ID_LEN, &pmk_list->pmkids.pmkid[i].fils_cache_id, FILS_CACHE_ID_LEN); pmkid_v2_list->pmkid[i].length = PMKID_ELEM_V2_LENGTH; } err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmkid_v2_list, v2_list_size, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("pmkid_info failed (%d)\n", err)); } MFREE(cfg->osh, pmkid_v2_list, v2_list_size); } else { u32 v1_list_size = (u32)(sizeof(pmkid_list_v1_t) + npmkids*sizeof(pmkid_v1_t)); pmkid_list_v1_t *pmkid_v1_list = (pmkid_list_v1_t *)MALLOCZ(cfg->osh, v1_list_size); if (pmkid_v1_list == NULL) { WL_ERR(("failed to allocate pmkid list\n")); return BCME_NOMEM; } for (i = 0; i < npmkids; i++) { /* memcpy_s return checks not needed as buffers are of same size */ (void)memcpy_s(&pmkid_v1_list->pmkid[i].BSSID, ETHER_ADDR_LEN, &pmk_list->pmkids.pmkid[i].bssid, ETHER_ADDR_LEN); (void)memcpy_s(pmkid_v1_list->pmkid[i].PMKID, WPA2_PMKID_LEN, pmk_list->pmkids.pmkid[i].pmkid, WPA2_PMKID_LEN); pmkid_v1_list->npmkid++; } err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmkid_v1_list, v1_list_size, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("pmkid_info failed (%d)\n", err)); } MFREE(cfg->osh, pmkid_v1_list, v1_list_size); } return err; } /* TODO: remove temporal cfg->pmk_list list, and call wl_cfg80211_update_pmksa for single * entry operation. */ static s32 wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; int i; int npmkids = cfg->pmk_list->pmkids.count; dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); RETURN_EIO_IF_NOT_UP(cfg); BCM_REFERENCE(dhdp); DHD_STATLOG_CTRL(dhdp, ST(INSTALL_PMKSA), dhd_net2idx(dhdp->info, dev), 0); for (i = 0; i < npmkids; i++) { if (pmksa->bssid != NULL) { if (!memcmp(pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].bssid, ETHER_ADDR_LEN)) break; } #ifdef WL_FILS else if (pmksa->ssid != NULL) { if (!memcmp(pmksa->ssid, &cfg->pmk_list->pmkids.pmkid[i].ssid, pmksa->ssid_len)) break; } #endif /* WL_FILS */ } if (i < WL_NUM_PMKIDS_MAX) { if (pmksa->bssid != NULL) { memcpy(&cfg->pmk_list->pmkids.pmkid[i].bssid, pmksa->bssid, ETHER_ADDR_LEN); } #ifdef WL_FILS else if (pmksa->ssid != NULL) { cfg->pmk_list->pmkids.pmkid[i].ssid_len = pmksa->ssid_len; memcpy(&cfg->pmk_list->pmkids.pmkid[i].ssid, pmksa->ssid, pmksa->ssid_len); memcpy(&cfg->pmk_list->pmkids.pmkid[i].fils_cache_id, pmksa->cache_id, FILS_CACHE_ID_LEN); } #endif /* WL_FILS */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) || defined(WL_FILS)) if (pmksa->pmk_len) { if (memcpy_s(&cfg->pmk_list->pmkids.pmkid[i].pmk, PMK_LEN_MAX, pmksa->pmk, pmksa->pmk_len)) { WL_ERR(("invalid pmk len = %zu", pmksa->pmk_len)); } else { cfg->pmk_list->pmkids.pmkid[i].pmk_len = pmksa->pmk_len; } } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) || defined(WL_FILS) */ /* return check not required as buffer lengths are same */ (void)memcpy_s(cfg->pmk_list->pmkids.pmkid[i].pmkid, WPA2_PMKID_LEN, pmksa->pmkid, WPA2_PMKID_LEN); cfg->pmk_list->pmkids.pmkid[i].pmkid_len = WPA2_PMKID_LEN; /* set lifetime not to expire in firmware by default. * Currently, wpa_supplicant control PMKID lifetime on his end. e.g) set 12 hours * when it expired, wpa_supplicant should call set_pmksa/del_pmksa to update * corresponding entry. */ cfg->pmk_list->pmkids.pmkid[i].time_left = KEY_PERM_PMK; if (i == npmkids) { cfg->pmk_list->pmkids.length += sizeof(pmkid_v3_t); cfg->pmk_list->pmkids.count++; } } else { err = -EINVAL; } #if (WL_DBG_LEVEL > 0) if (pmksa->bssid != NULL) { WL_DBG(("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", &cfg->pmk_list->pmkids.pmkid[npmkids - 1].bssid)); } for (i = 0; i < WPA2_PMKID_LEN; i++) { WL_DBG(("%02x\n", cfg->pmk_list->pmkids.pmkid[npmkids - 1]. pmkid[i])); } #endif /* (WL_DBG_LEVEL > 0) */ err = wl_update_pmklist(dev, cfg->pmk_list, err); return err; } /* sending pmkid_info IOVAR to manipulate PMKID(PMKSA) list in firmware. * input @pmksa: host given single pmksa info. * if it's NULL, assume whole list manipulated. e.g) flush all PMKIDs in firmware. * input @set: TRUE means adding PMKSA operation. FALSE means deleting. * return: log internal BCME_XXX error, and convert it to -EINVAL to linux generic error code. */ static s32 wl_cfg80211_update_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa, bool set) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; pmkid_list_v3_t *pmk_list; uint32 alloc_len; RETURN_EIO_IF_NOT_UP(cfg); if (cfg->wlc_ver.wlc_ver_major < MIN_PMKID_LIST_V3_FW_MAJOR) { WL_ERR(("wlc_ver_major not supported:%d\n", cfg->wlc_ver.wlc_ver_major)); return BCME_VERSION; } alloc_len = (uint32) OFFSETOF(pmkid_list_v3_t, pmkid) + ((pmksa) ? sizeof(pmkid_v3_t) : 0); pmk_list = (pmkid_list_v3_t *)MALLOCZ(cfg->osh, alloc_len); if (pmk_list == NULL) { return BCME_NOMEM; } pmk_list->version = PMKID_LIST_VER_3; pmk_list->length = alloc_len; pmk_list->count = (pmksa) ? 1 : 0; // 1 means single entry operation, 0 means whole list. /* controll set/del action by lifetime parameter accordingly. * if set == TRUE, it's set PMKID action with lifetime permanent. * if set == FALSE, it's del PMKID action with lifetime zero. */ pmk_list->pmkid->time_left = (set) ? KEY_PERM_PMK : 0; if (pmksa) { if (pmksa->bssid) { err = memcpy_s(&pmk_list->pmkid->bssid, sizeof(pmk_list->pmkid->bssid), pmksa->bssid, ETHER_ADDR_LEN); if (err) { goto exit; } } if (pmksa->pmkid) { err = memcpy_s(&pmk_list->pmkid->pmkid, sizeof(pmk_list->pmkid->pmkid), pmksa->pmkid, WPA2_PMKID_LEN); if (err) { goto exit; } } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) if (pmksa->pmk) { err = memcpy_s(&pmk_list->pmkid->pmk, sizeof(pmk_list->pmkid->pmk), pmksa->pmk, pmksa->pmk_len); if (err) { goto exit; } pmk_list->pmkid->pmk_len = pmksa->pmk_len; } if (pmksa->ssid) { err = memcpy_s(&pmk_list->pmkid->ssid, sizeof(pmk_list->pmkid->ssid), pmksa->ssid, pmksa->ssid_len); if (err) { goto exit; } pmk_list->pmkid->ssid_len = pmksa->ssid_len; } if (pmksa->cache_id) { pmk_list->pmkid->fils_cache_id = *(uint16 *)pmksa->cache_id; } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ } err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmk_list, alloc_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); exit: if (pmk_list) { MFREE(cfg->osh, pmk_list, alloc_len); } return err; } /* TODO: remove temporal cfg->pmk_list list, and call wl_cfg80211_update_pmksa for single * entry operation. */ static s32 wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; int i; int npmkids = cfg->pmk_list->pmkids.count; RETURN_EIO_IF_NOT_UP(cfg); if (!pmksa) { WL_ERR(("pmksa is not initialized\n")); return BCME_ERROR; } if (!npmkids) { /* nmpkids = 0, nothing to delete */ WL_DBG(("npmkids=0. Skip del\n")); return BCME_OK; } #if (WL_DBG_LEVEL > 0) if (pmksa->bssid) { WL_DBG(("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", pmksa->bssid)); } #ifdef WL_FILS else if (pmksa->ssid) { WL_DBG(("FILS: del_pmksa for ssid: ")); for (i = 0; i < pmksa->ssid_len; i++) { WL_DBG(("%c", pmksa->ssid[i])); } WL_DBG(("\n")); } #endif /* WL_FILS */ if (pmksa->pmkid) { for (i = 0; i < WPA2_PMKID_LEN; i++) { WL_DBG(("%02x\n", pmksa->pmkid[i])); } } #endif /* (WL_DBG_LEVEL > 0) */ for (i = 0; i < npmkids; i++) { if (pmksa->bssid) { if (!memcmp (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].bssid, ETHER_ADDR_LEN)) { break; } } #ifdef WL_FILS else if (pmksa->ssid) { if (!memcmp (pmksa->ssid, &cfg->pmk_list->pmkids.pmkid[i].ssid, pmksa->ssid_len)) { break; } } #endif /* WL_FILS */ } if ((npmkids > 0) && (i < npmkids)) { bzero(&cfg->pmk_list->pmkids.pmkid[i], sizeof(pmkid_v3_t)); for (; i < (npmkids - 1); i++) { (void)memcpy_s(&cfg->pmk_list->pmkids.pmkid[i], sizeof(pmkid_v3_t), &cfg->pmk_list->pmkids.pmkid[i + 1], sizeof(pmkid_v3_t)); } npmkids--; cfg->pmk_list->pmkids.length -= sizeof(pmkid_v3_t); cfg->pmk_list->pmkids.count--; } else { err = -EINVAL; } /* current wl_update_pmklist() doesn't delete corresponding PMKID entry. * inside firmware. So we need to issue delete action explicitely through * this function. */ err = wl_cfg80211_update_pmksa(wiphy, dev, pmksa, FALSE); /* intentional fall through even on error. * it should work above MIN_PMKID_LIST_V3_FW_MAJOR, otherwise let ignore it. */ err = wl_update_pmklist(dev, cfg->pmk_list, err); return err; } /* TODO: remove temporal cfg->pmk_list list, and call wl_cfg80211_update_pmksa for single * entry operation. */ static s32 wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; RETURN_EIO_IF_NOT_UP(cfg); bzero(cfg->pmk_list, sizeof(*cfg->pmk_list)); cfg->pmk_list->pmkids.length = OFFSETOF(pmkid_list_v3_t, pmkid); cfg->pmk_list->pmkids.count = 0; cfg->pmk_list->pmkids.version = PMKID_LIST_VER_3; err = wl_update_pmklist(dev, cfg->pmk_list, err); return err; } static s32 wl_cfg80211_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, struct ieee80211_channel *channel, #if !defined(WL_CFG80211_P2P_DEV_IF) enum nl80211_channel_type channel_type, #endif /* WL_CFG80211_P2P_DEV_IF */ unsigned int duration, u64 *cookie) { s32 target_channel; u32 id; s32 err = BCME_OK; struct ether_addr primary_mac; struct net_device *ndev = NULL; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); RETURN_EIO_IF_NOT_UP(cfg); #ifdef DHD_IFDEBUG PRINT_WDEV_INFO(cfgdev); #endif /* DHD_IFDEBUG */ ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); mutex_lock(&cfg->usr_sync); WL_DBG(("Enter, channel: %d, duration ms (%d) SCANNING ?? %s \n", ieee80211_frequency_to_channel(channel->center_freq), duration, (wl_get_drv_status(cfg, SCANNING, ndev)) ? "YES":"NO")); if (!cfg->p2p) { WL_ERR(("cfg->p2p is not initialized\n")); err = BCME_ERROR; goto exit; } #ifdef P2P_LISTEN_OFFLOADING if (wl_get_p2p_status(cfg, DISC_IN_PROGRESS)) { WL_ERR(("P2P_FIND: Discovery offload is in progress\n")); err = -EAGAIN; goto exit; } #endif /* P2P_LISTEN_OFFLOADING */ #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST if (wl_get_drv_status_all(cfg, SCANNING)) { wl_cfg80211_cancel_scan(cfg); } #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ target_channel = ieee80211_frequency_to_channel(channel->center_freq); memcpy(&cfg->remain_on_chan, channel, sizeof(struct ieee80211_channel)); #if defined(WL_ENABLE_P2P_IF) cfg->remain_on_chan_type = channel_type; #endif /* WL_ENABLE_P2P_IF */ id = ++cfg->last_roc_id; if (id == 0) id = ++cfg->last_roc_id; *cookie = id; #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST if (wl_get_drv_status(cfg, SCANNING, ndev)) { timer_list_compat_t *_timer; WL_DBG(("scan is running. go to fake listen state\n")); if (duration > LONG_LISTEN_TIME) { wl_cfg80211_scan_abort(cfg); } else { wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev); if (timer_pending(&cfg->p2p->listen_timer)) { WL_DBG(("cancel current listen timer \n")); del_timer_sync(&cfg->p2p->listen_timer); } _timer = &cfg->p2p->listen_timer; wl_clr_p2p_status(cfg, LISTEN_EXPIRED); INIT_TIMER(_timer, wl_cfgp2p_listen_expired, duration, 0); err = BCME_OK; goto exit; } } #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ #ifdef WL_BCNRECV /* check fakeapscan in progress then abort */ wl_android_bcnrecv_stop(ndev, WL_BCNRECV_LISTENBUSY); #endif /* WL_BCNRECV */ #ifdef WL_CFG80211_SYNC_GON if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN)) { /* do not enter listen mode again if we are in listen mode already for next af. * remain on channel completion will be returned by waiting next af completion. */ #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev); #else wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev); #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ goto exit; } #endif /* WL_CFG80211_SYNC_GON */ if (cfg->p2p && !cfg->p2p->on) { /* In case of p2p_listen command, supplicant send remain_on_channel * without turning on P2P */ get_primary_mac(cfg, &primary_mac); #ifndef WL_P2P_USE_RANDMAC wl_cfgp2p_generate_bss_mac(cfg, &primary_mac); #endif /* WL_P2P_USE_RANDMAC */ p2p_on(cfg) = true; } if (p2p_is_on(cfg)) { err = wl_cfgp2p_enable_discovery(cfg, ndev, NULL, 0); if (unlikely(err)) { goto exit; } #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev); #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ err = wl_cfgp2p_discover_listen(cfg, target_channel, duration); #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST if (err == BCME_OK) { wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev); } else { /* if failed, firmware may be internal scanning state. * so other scan request shall not abort it */ wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev); } #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ if (err) { wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL); } /* WAR: set err = ok to prevent cookie mismatch in wpa_supplicant * and expire timer will send a completion to the upper layer */ err = BCME_OK; } exit: if (err == BCME_OK) { WL_DBG(("Success\n")); #if defined(WL_CFG80211_P2P_DEV_IF) cfg80211_ready_on_channel(cfgdev, *cookie, channel, duration, GFP_KERNEL); #else cfg80211_ready_on_channel(cfgdev, *cookie, channel, channel_type, duration, GFP_KERNEL); #endif /* WL_CFG80211_P2P_DEV_IF */ } else { WL_ERR(("Fail to Set (err=%d cookie:%llu)\n", err, *cookie)); } mutex_unlock(&cfg->usr_sync); return err; } static s32 wl_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, u64 cookie) { s32 err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); #ifdef P2PLISTEN_AP_SAMECHN struct net_device *dev; #endif /* P2PLISTEN_AP_SAMECHN */ RETURN_EIO_IF_NOT_UP(cfg); #ifdef DHD_IFDEBUG PRINT_WDEV_INFO(cfgdev); #endif /* DHD_IFDEBUG */ #if defined(WL_CFG80211_P2P_DEV_IF) if (cfgdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { WL_DBG((" enter ) on P2P dedicated discover interface\n")); } #else WL_DBG((" enter ) netdev_ifidx: %d \n", cfgdev->ifindex)); #endif /* WL_CFG80211_P2P_DEV_IF */ #ifdef P2PLISTEN_AP_SAMECHN if (cfg && cfg->p2p_resp_apchn_status) { dev = bcmcfg_to_prmry_ndev(cfg); wl_cfg80211_set_p2p_resp_ap_chn(dev, 0); cfg->p2p_resp_apchn_status = false; WL_DBG(("p2p_resp_apchn_status Turn OFF \n")); } #endif /* P2PLISTEN_AP_SAMECHN */ if (cfg->last_roc_id == cookie) { wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE)); } else { WL_ERR(("wl_cfg80211_cancel_remain_on_channel: ignore, request cookie(%llu)" " is not matched. (cur : %llu)\n", cookie, cfg->last_roc_id)); } return err; } static void wl_cfg80211_afx_handler(struct work_struct *work) { struct afx_hdl *afx_instance; struct bcm_cfg80211 *cfg; s32 ret = BCME_OK; BCM_SET_CONTAINER_OF(afx_instance, work, struct afx_hdl, work); if (afx_instance) { cfg = wl_get_cfg(afx_instance->dev); if (cfg != NULL && cfg->afx_hdl->is_active) { if (cfg->afx_hdl->is_listen && cfg->afx_hdl->my_listen_chan) { ret = wl_cfgp2p_discover_listen(cfg, cfg->afx_hdl->my_listen_chan, (100 * (1 + (RANDOM32() % 3)))); /* 100ms ~ 300ms */ } else { ret = wl_cfgp2p_act_frm_search(cfg, cfg->afx_hdl->dev, cfg->afx_hdl->bssidx, cfg->afx_hdl->peer_listen_chan, NULL); } if (unlikely(ret != BCME_OK)) { WL_ERR(("ERROR occurred! returned value is (%d)\n", ret)); if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) complete(&cfg->act_frm_scan); } } } } static s32 wl_cfg80211_af_searching_channel(struct bcm_cfg80211 *cfg, struct net_device *dev) { u32 max_retry = WL_CHANNEL_SYNC_RETRY; bool is_p2p_gas = false; if (dev == NULL) return -1; WL_DBG((" enter ) \n")); wl_set_drv_status(cfg, FINDING_COMMON_CHANNEL, dev); cfg->afx_hdl->is_active = TRUE; if (cfg->afx_hdl->pending_tx_act_frm) { wl_action_frame_t *action_frame; action_frame = &(cfg->afx_hdl->pending_tx_act_frm->action_frame); if (wl_cfgp2p_is_p2p_gas_action(action_frame->data, action_frame->len)) is_p2p_gas = true; } /* Loop to wait until we find a peer's channel or the * pending action frame tx is cancelled. */ while ((cfg->afx_hdl->retry < max_retry) && (cfg->afx_hdl->peer_chan == WL_INVALID)) { cfg->afx_hdl->is_listen = FALSE; wl_set_drv_status(cfg, SCANNING, dev); WL_DBG(("Scheduling the action frame for sending.. retry %d\n", cfg->afx_hdl->retry)); /* search peer on peer's listen channel */ schedule_work(&cfg->afx_hdl->work); wait_for_completion_timeout(&cfg->act_frm_scan, msecs_to_jiffies(WL_AF_SEARCH_TIME_MAX)); if ((cfg->afx_hdl->peer_chan != WL_INVALID) || !(wl_get_drv_status(cfg, FINDING_COMMON_CHANNEL, dev))) break; if (is_p2p_gas) break; if (cfg->afx_hdl->my_listen_chan) { WL_DBG(("Scheduling Listen peer in my listen channel = %d\n", cfg->afx_hdl->my_listen_chan)); /* listen on my listen channel */ cfg->afx_hdl->is_listen = TRUE; schedule_work(&cfg->afx_hdl->work); wait_for_completion_timeout(&cfg->act_frm_scan, msecs_to_jiffies(WL_AF_SEARCH_TIME_MAX)); } if ((cfg->afx_hdl->peer_chan != WL_INVALID) || !(wl_get_drv_status(cfg, FINDING_COMMON_CHANNEL, dev))) break; cfg->afx_hdl->retry++; WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg); } cfg->afx_hdl->is_active = FALSE; wl_clr_drv_status(cfg, SCANNING, dev); wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, dev); return (cfg->afx_hdl->peer_chan); } struct p2p_config_af_params { s32 max_tx_retry; /* max tx retry count if tx no ack */ #ifdef WL_CFG80211_GON_COLLISION /* drop tx go nego request if go nego collision occurs */ bool drop_tx_req; #endif // endif #ifdef WL_CFG80211_SYNC_GON bool extra_listen; #endif // endif bool search_channel; /* 1: search peer's channel to send af */ }; #ifdef WL_DISABLE_HE_P2P static s32 wl_cfg80211_he_p2p_disable(struct wiphy *wiphy, struct ether_addr peer_mac) { struct cfg80211_bss *bss; u8 *ie = NULL; u32 ie_len = 0; struct net_device *ndev = NULL; s32 bssidx = 0; s32 err = BCME_OK; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); bss = CFG80211_GET_BSS(wiphy, NULL, peer_mac.octet, NULL, 0); if (!bss) { WL_ERR(("Could not find the Peer device\n")); return BCME_ERROR; } else { GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); #if defined(WL_CFG80211_P2P_DEV_IF) ie = (u8 *)bss->ies->data; ie_len = bss->ies->len; #else ie = bss->information_elements; ie_len = bss->len_information_elements; #endif /* WL_CFG80211_P2P_DEV_IF */ GCC_DIAGNOSTIC_POP(); } if (ie) { if ((bcm_parse_tlvs_dot11(ie, ie_len, EXT_MNG_HE_CAP_ID, TRUE)) == NULL) { WL_DBG(("Peer does not support HE capability\n")); ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION1); if (ndev && (bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr)) < 0) { WL_ERR(("Find index failed\n")); err = BCME_ERROR; } else { WL_DBG(("Disabling HE for P2P\n")); err = wl_cfg80211_set_he_mode(ndev, cfg, bssidx, WL_IF_TYPE_P2P_DISC, FALSE); if (err < 0) { WL_ERR(("failed to set he features, error=%d\n", err)); } } } else { WL_DBG(("Peer supports HE capability\n")); } } CFG80211_PUT_BSS(wiphy, bss); return err; } #endif /* WL_DISABLE_HE_P2P */ static s32 wl_cfg80211_config_p2p_pub_af_tx(struct wiphy *wiphy, wl_action_frame_t *action_frame, wl_af_params_t *af_params, struct p2p_config_af_params *config_af_params) { s32 err = BCME_OK; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); wifi_p2p_pub_act_frame_t *act_frm = (wifi_p2p_pub_act_frame_t *) (action_frame->data); /* initialize default value */ #ifdef WL_CFG80211_GON_COLLISION config_af_params->drop_tx_req = false; #endif // endif #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = true; #endif // endif config_af_params->search_channel = false; config_af_params->max_tx_retry = WL_AF_TX_MAX_RETRY; cfg->next_af_subtype = P2P_PAF_SUBTYPE_INVALID; switch (act_frm->subtype) { case P2P_PAF_GON_REQ: { /* Disable he if peer does not support before starting GONEG */ #ifdef WL_DISABLE_HE_P2P wl_cfg80211_he_p2p_disable(wiphy, action_frame->da); #endif /* WL_DISABLE_HE_P2P */ WL_DBG(("P2P: GO_NEG_PHASE status set \n")); wl_set_p2p_status(cfg, GO_NEG_PHASE); config_af_params->search_channel = true; cfg->next_af_subtype = act_frm->subtype + 1; /* increase dwell time to wait for RESP frame */ af_params->dwell_time = WL_MED_DWELL_TIME; #ifdef WL_CFG80211_GON_COLLISION config_af_params->drop_tx_req = true; #endif /* WL_CFG80211_GON_COLLISION */ break; } case P2P_PAF_GON_RSP: { cfg->next_af_subtype = act_frm->subtype + 1; /* increase dwell time to wait for CONF frame */ af_params->dwell_time = WL_MED_DWELL_TIME + 100; break; } case P2P_PAF_GON_CONF: { /* If we reached till GO Neg confirmation reset the filter */ WL_DBG(("P2P: GO_NEG_PHASE status cleared \n")); wl_clr_p2p_status(cfg, GO_NEG_PHASE); /* minimize dwell time */ af_params->dwell_time = WL_MIN_DWELL_TIME; #ifdef WL_CFG80211_GON_COLLISION /* if go nego formation done, clear it */ cfg->block_gon_req_tx_count = 0; cfg->block_gon_req_rx_count = 0; #endif /* WL_CFG80211_GON_COLLISION */ #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = false; #endif /* WL_CFG80211_SYNC_GON */ break; } case P2P_PAF_INVITE_REQ: { config_af_params->search_channel = true; cfg->next_af_subtype = act_frm->subtype + 1; /* increase dwell time */ af_params->dwell_time = WL_MED_DWELL_TIME; break; } case P2P_PAF_INVITE_RSP: /* minimize dwell time */ af_params->dwell_time = WL_MIN_DWELL_TIME; #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = false; #endif /* WL_CFG80211_SYNC_GON */ break; case P2P_PAF_DEVDIS_REQ: { if (IS_ACTPUB_WITHOUT_GROUP_ID(&act_frm->elts[0], action_frame->len)) { config_af_params->search_channel = true; } cfg->next_af_subtype = act_frm->subtype + 1; /* maximize dwell time to wait for RESP frame */ af_params->dwell_time = WL_LONG_DWELL_TIME; break; } case P2P_PAF_DEVDIS_RSP: /* minimize dwell time */ af_params->dwell_time = WL_MIN_DWELL_TIME; #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = false; #endif /* WL_CFG80211_SYNC_GON */ break; case P2P_PAF_PROVDIS_REQ: { if (IS_ACTPUB_WITHOUT_GROUP_ID(&act_frm->elts[0], action_frame->len)) { config_af_params->search_channel = true; } cfg->next_af_subtype = act_frm->subtype + 1; /* increase dwell time to wait for RESP frame */ af_params->dwell_time = WL_MED_DWELL_TIME; break; } case P2P_PAF_PROVDIS_RSP: { cfg->next_af_subtype = P2P_PAF_GON_REQ; af_params->dwell_time = WL_MED_DWELL_TIME; #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = false; #endif /* WL_CFG80211_SYNC_GON */ break; } default: WL_DBG(("Unknown p2p pub act frame subtype: %d\n", act_frm->subtype)); err = BCME_BADARG; } return err; } #ifdef WL11U static bool wl_cfg80211_check_DFS_channel(struct bcm_cfg80211 *cfg, wl_af_params_t *af_params, void *frame, u16 frame_len) { struct wl_scan_results *bss_list; wl_bss_info_t *bi = NULL; bool result = false; s32 i; chanspec_t chanspec; /* If DFS channel is 52~148, check to block it or not */ if (af_params && (af_params->channel >= 52 && af_params->channel <= 148)) { if (!wl_cfgp2p_is_p2p_action(frame, frame_len)) { bss_list = cfg->bss_list; bi = next_bss(bss_list, bi); for_each_bss(bss_list, bi, i) { chanspec = wl_chspec_driver_to_host(bi->chanspec); if (CHSPEC_IS5G(chanspec) && ((bi->ctl_ch ? bi->ctl_ch : CHSPEC_CHANNEL(chanspec)) == af_params->channel)) { result = true; /* do not block the action frame */ break; } } } } else { result = true; } WL_DBG(("result=%s", result?"true":"false")); return result; } #endif /* WL11U */ static bool wl_cfg80211_check_dwell_overflow(int32 requested_dwell, ulong dwell_jiffies) { if ((requested_dwell & CUSTOM_RETRY_MASK) && (jiffies_to_msecs(jiffies - dwell_jiffies) > (requested_dwell & ~CUSTOM_RETRY_MASK))) { WL_ERR(("Action frame TX retry time over dwell time!\n")); return true; } return false; } static bool wl_cfg80211_send_action_frame(struct wiphy *wiphy, struct net_device *dev, bcm_struct_cfgdev *cfgdev, wl_af_params_t *af_params, wl_action_frame_t *action_frame, u16 action_frame_len, s32 bssidx) { #ifdef WL11U struct net_device *ndev = NULL; #endif /* WL11U */ struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); bool ack = false; u8 category, action; s32 tx_retry; struct p2p_config_af_params config_af_params; struct net_info *netinfo; #ifdef VSDB ulong off_chan_started_jiffies = 0; #endif // endif ulong dwell_jiffies = 0; bool dwell_overflow = false; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); int32 requested_dwell = af_params->dwell_time; /* Add the default dwell time * Dwell time to stay off-channel to wait for a response action frame * after transmitting an GO Negotiation action frame */ af_params->dwell_time = WL_DWELL_TIME; #ifdef WL11U #if defined(WL_CFG80211_P2P_DEV_IF) ndev = dev; #else ndev = ndev_to_cfgdev(cfgdev); #endif /* WL_CFG80211_P2P_DEV_IF */ #endif /* WL11U */ category = action_frame->data[DOT11_ACTION_CAT_OFF]; action = action_frame->data[DOT11_ACTION_ACT_OFF]; /* initialize variables */ tx_retry = 0; cfg->next_af_subtype = P2P_PAF_SUBTYPE_INVALID; config_af_params.max_tx_retry = WL_AF_TX_MAX_RETRY; config_af_params.search_channel = false; #ifdef WL_CFG80211_GON_COLLISION config_af_params.drop_tx_req = false; #endif // endif #ifdef WL_CFG80211_SYNC_GON config_af_params.extra_listen = false; #endif // endif /* config parameters */ /* Public Action Frame Process - DOT11_ACTION_CAT_PUBLIC */ if (category == DOT11_ACTION_CAT_PUBLIC) { if ((action == P2P_PUB_AF_ACTION) && (action_frame_len >= sizeof(wifi_p2p_pub_act_frame_t))) { /* p2p public action frame process */ if (BCME_OK != wl_cfg80211_config_p2p_pub_af_tx(wiphy, action_frame, af_params, &config_af_params)) { WL_DBG(("Unknown subtype.\n")); } #ifdef WL_CFG80211_GON_COLLISION if (config_af_params.drop_tx_req) { if (cfg->block_gon_req_tx_count) { /* drop gon req tx action frame */ WL_DBG(("Drop gon req tx action frame: count %d\n", cfg->block_gon_req_tx_count)); goto exit; } } #endif /* WL_CFG80211_GON_COLLISION */ } else if (action_frame_len >= sizeof(wifi_p2psd_gas_pub_act_frame_t)) { /* service discovery process */ if (action == P2PSD_ACTION_ID_GAS_IREQ || action == P2PSD_ACTION_ID_GAS_CREQ) { /* configure service discovery query frame */ config_af_params.search_channel = true; /* save next af suptype to cancel remained dwell time */ cfg->next_af_subtype = action + 1; af_params->dwell_time = WL_MED_DWELL_TIME; if (requested_dwell & CUSTOM_RETRY_MASK) { config_af_params.max_tx_retry = (requested_dwell & CUSTOM_RETRY_MASK) >> 24; af_params->dwell_time = (requested_dwell & ~CUSTOM_RETRY_MASK); WL_DBG(("Custom retry(%d) and dwell time(%d) is set.\n", config_af_params.max_tx_retry, af_params->dwell_time)); } } else if (action == P2PSD_ACTION_ID_GAS_IRESP || action == P2PSD_ACTION_ID_GAS_CRESP) { /* configure service discovery response frame */ af_params->dwell_time = WL_MIN_DWELL_TIME; } else { WL_DBG(("Unknown action type: %d\n", action)); } } else { WL_DBG(("Unknown Frame: category 0x%x, action 0x%x, length %d\n", category, action, action_frame_len)); } } else if (category == P2P_AF_CATEGORY) { /* do not configure anything. it will be sent with a default configuration */ } else { WL_DBG(("Unknown Frame: category 0x%x, action 0x%x\n", category, action)); if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { wl_clr_drv_status(cfg, SENDING_ACT_FRM, dev); return false; } } netinfo = wl_get_netinfo_by_wdev(cfg, cfgdev_to_wdev(cfgdev)); /* validate channel and p2p ies */ if (config_af_params.search_channel && IS_P2P_SOCIAL(af_params->channel) && netinfo && netinfo->bss.ies.probe_req_ie_len) { config_af_params.search_channel = true; } else { config_af_params.search_channel = false; } #ifdef WL11U if (ndev == bcmcfg_to_prmry_ndev(cfg)) config_af_params.search_channel = false; #endif /* WL11U */ #ifdef VSDB /* if connecting on primary iface, sleep for a while before sending af tx for VSDB */ if (wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) { OSL_SLEEP(50); } #endif // endif /* if scan is ongoing, abort current scan. */ if (wl_get_drv_status_all(cfg, SCANNING)) { wl_cfg80211_cancel_scan(cfg); } /* Abort P2P listen */ if (discover_cfgdev(cfgdev, cfg)) { if (cfg->p2p_supported && cfg->p2p) { wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE)); } } #ifdef WL11U /* handling DFS channel exceptions */ if (!wl_cfg80211_check_DFS_channel(cfg, af_params, action_frame->data, action_frame->len)) { return false; /* the action frame was blocked */ } #endif /* WL11U */ /* set status and destination address before sending af */ if (cfg->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { /* set this status to cancel the remained dwell time in rx process */ wl_set_drv_status(cfg, WAITING_NEXT_ACT_FRM, dev); } wl_set_drv_status(cfg, SENDING_ACT_FRM, dev); memcpy(cfg->afx_hdl->tx_dst_addr.octet, af_params->action_frame.da.octet, sizeof(cfg->afx_hdl->tx_dst_addr.octet)); /* save af_params for rx process */ cfg->afx_hdl->pending_tx_act_frm = af_params; if (wl_cfgp2p_is_p2p_gas_action(action_frame->data, action_frame->len)) { WL_DBG(("Set GAS action frame config.\n")); config_af_params.search_channel = false; config_af_params.max_tx_retry = 1; } /* search peer's channel */ if (config_af_params.search_channel) { /* initialize afx_hdl */ if ((cfg->afx_hdl->bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); goto exit; } cfg->afx_hdl->dev = dev; cfg->afx_hdl->retry = 0; cfg->afx_hdl->peer_chan = WL_INVALID; if (wl_cfg80211_af_searching_channel(cfg, dev) == WL_INVALID) { WL_ERR(("couldn't find peer's channel.\n")); wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len, af_params->channel); /* Even if we couldn't find peer channel, try to send the frame * out. P2P cert 5.1.14 testbed device (realtek) doesn't seem to * respond to probe request (Ideally it has to be in listen and * responsd to probe request). However if we send Go neg req, the * peer is sending GO-neg resp. So instead of giving up here, just * proceed and attempt sending out the action frame. */ } wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev); /* * Abort scan even for VSDB scenarios. Scan gets aborted in firmware * but after the check of piggyback algorithm. * To take care of current piggback algo, lets abort the scan here itself. */ wl_cfg80211_cancel_scan(cfg); /* Suspend P2P discovery's search-listen to prevent it from * starting a scan or changing the channel. */ if ((wl_cfgp2p_discover_enable_search(cfg, false)) < 0) { WL_ERR(("Can not disable discovery mode\n")); goto exit; } /* update channel */ if (cfg->afx_hdl->peer_chan != WL_INVALID) { af_params->channel = cfg->afx_hdl->peer_chan; WL_ERR(("Attempt tx on peer listen channel:%d ", cfg->afx_hdl->peer_chan)); } else { WL_ERR(("Attempt tx with the channel provided by userspace." "Channel: %d\n", af_params->channel)); } } #ifdef VSDB off_chan_started_jiffies = jiffies; #endif /* VSDB */ wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len, af_params->channel); wl_cfgp2p_need_wait_actfrmae(cfg, action_frame->data, action_frame->len, true); dwell_jiffies = jiffies; /* Now send a tx action frame */ ack = wl_cfgp2p_tx_action_frame(cfg, dev, af_params, bssidx) ? false : true; dwell_overflow = wl_cfg80211_check_dwell_overflow(requested_dwell, dwell_jiffies); /* if failed, retry it. tx_retry_max value is configure by .... */ while ((ack == false) && (tx_retry++ < config_af_params.max_tx_retry) && !dwell_overflow) { #ifdef VSDB if (af_params->channel) { if (jiffies_to_msecs(jiffies - off_chan_started_jiffies) > OFF_CHAN_TIME_THRESHOLD_MS) { WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg); off_chan_started_jiffies = jiffies; } else OSL_SLEEP(AF_RETRY_DELAY_TIME); } #endif /* VSDB */ ack = wl_cfgp2p_tx_action_frame(cfg, dev, af_params, bssidx) ? false : true; dwell_overflow = wl_cfg80211_check_dwell_overflow(requested_dwell, dwell_jiffies); } if (ack == false) { WL_ERR(("Failed to send Action Frame(retry %d)\n", tx_retry)); } WL_DBG(("Complete to send action frame\n")); exit: /* Clear SENDING_ACT_FRM after all sending af is done */ wl_clr_drv_status(cfg, SENDING_ACT_FRM, dev); #ifdef WL_CFG80211_SYNC_GON /* WAR: sometimes dongle does not keep the dwell time of 'actframe'. * if we coundn't get the next action response frame and dongle does not keep * the dwell time, go to listen state again to get next action response frame. */ if (ack && config_af_params.extra_listen && #ifdef WL_CFG80211_GON_COLLISION !cfg->block_gon_req_tx_count && #endif /* WL_CFG80211_GON_COLLISION */ wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM) && cfg->af_sent_channel == cfg->afx_hdl->my_listen_chan) { s32 extar_listen_time; extar_listen_time = af_params->dwell_time - jiffies_to_msecs(jiffies - cfg->af_tx_sent_jiffies); if (extar_listen_time > 50) { wl_set_drv_status(cfg, WAITING_NEXT_ACT_FRM_LISTEN, dev); WL_DBG(("Wait more time! actual af time:%d," "calculated extar listen:%d\n", af_params->dwell_time, extar_listen_time)); if (wl_cfgp2p_discover_listen(cfg, cfg->af_sent_channel, extar_listen_time + 100) == BCME_OK) { wait_for_completion_timeout(&cfg->wait_next_af, msecs_to_jiffies(extar_listen_time + 100 + 300)); } wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM_LISTEN, dev); } } #endif /* WL_CFG80211_SYNC_GON */ wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, dev); cfg->afx_hdl->pending_tx_act_frm = NULL; if (ack) { WL_DBG(("-- Action Frame Tx succeeded, listen chan: %d\n", cfg->afx_hdl->my_listen_chan)); } else { WL_ERR(("-- Action Frame Tx failed, listen chan: %d\n", cfg->afx_hdl->my_listen_chan)); } #ifdef WL_CFG80211_GON_COLLISION if (cfg->block_gon_req_tx_count) { cfg->block_gon_req_tx_count--; /* if ack is ture, supplicant will wait more time(100ms). * so we will return it as a success to get more time . */ ack = true; } #endif /* WL_CFG80211_GON_COLLISION */ return ack; } #define MAX_NUM_OF_ASSOCIATED_DEV 64 static s32 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, struct cfg80211_mgmt_tx_params *params, u64 *cookie) #else wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, struct ieee80211_channel *channel, bool offchan, #if (LINUX_VERSION_CODE <= KERNEL_VERSION(3, 7, 0)) enum nl80211_channel_type channel_type, bool channel_type_valid, #endif /* LINUX_VERSION_CODE <= KERNEL_VERSION(3, 7, 0) */ unsigned int wait, const u8* buf, size_t len, #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS) bool no_cck, #endif // endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || defined(WL_COMPAT_WIRELESS) bool dont_wait_for_ack, #endif // endif u64 *cookie) #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */ { wl_action_frame_t *action_frame; wl_af_params_t *af_params; scb_val_t scb_val; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) struct ieee80211_channel *channel = params->chan; const u8 *buf = params->buf; size_t len = params->len; #endif // endif const struct ieee80211_mgmt *mgmt; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *dev = NULL; s32 err = BCME_OK; s32 bssidx = 0; u32 id; bool ack = false; s8 eabuf[ETHER_ADDR_STR_LEN]; WL_DBG(("Enter \n")); if (len > ACTION_FRAME_SIZE) { WL_ERR(("bad length:%zu\n", len)); return BCME_BADLEN; } #ifdef DHD_IFDEBUG PRINT_WDEV_INFO(cfgdev); #endif /* DHD_IFDEBUG */ dev = cfgdev_to_wlc_ndev(cfgdev, cfg); if (!dev) { WL_ERR(("dev is NULL\n")); return -EINVAL; } /* set bsscfg idx for iovar (wlan0: P2PAPI_BSSCFG_PRIMARY, p2p: P2PAPI_BSSCFG_DEVICE) */ if (discover_cfgdev(cfgdev, cfg)) { if (!cfg->p2p_supported || !cfg->p2p) { WL_ERR(("P2P doesn't setup completed yet\n")); return -EINVAL; } bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); } else { if ((bssidx = wl_get_bssidx_by_wdev(cfg, cfgdev_to_wdev(cfgdev))) < 0) { WL_ERR(("Find p2p index failed\n")); return BCME_ERROR; } } WL_DBG(("TX target bssidx=%d\n", bssidx)); if (p2p_is_on(cfg)) { /* Suspend P2P discovery search-listen to prevent it from changing the * channel. */ if ((err = wl_cfgp2p_discover_enable_search(cfg, false)) < 0) { WL_ERR(("Can not disable discovery mode\n")); return -EFAULT; } } *cookie = 0; id = cfg->send_action_id++; if (id == 0) id = cfg->send_action_id++; *cookie = id; mgmt = (const struct ieee80211_mgmt *)buf; if (ieee80211_is_mgmt(mgmt->frame_control)) { if (ieee80211_is_probe_resp(mgmt->frame_control)) { s32 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; s32 ie_len = len - ie_offset; if ((dev == bcmcfg_to_prmry_ndev(cfg)) && cfg->p2p) { bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); } wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx, VNDR_IE_PRBRSP_FLAG, (const u8 *)(buf + ie_offset), ie_len); cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL); #if defined(P2P_IE_MISSING_FIX) if (!cfg->p2p_prb_noti) { cfg->p2p_prb_noti = true; WL_DBG(("wl_cfg80211_mgmt_tx: TX 802_1X Probe" " Response first time.\n")); } #endif // endif goto exit; } else if (ieee80211_is_disassoc(mgmt->frame_control) || ieee80211_is_deauth(mgmt->frame_control)) { char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV * sizeof(struct ether_addr) + sizeof(uint)] = {0}; int num_associated = 0; struct maclist *assoc_maclist = (struct maclist *)mac_buf; if (!bcmp((const uint8 *)BSSID_BROADCAST, (const struct ether_addr *)mgmt->da, ETHER_ADDR_LEN)) { assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV; err = wldev_ioctl_get(dev, WLC_GET_ASSOCLIST, assoc_maclist, sizeof(mac_buf)); if (err < 0) WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err)); else num_associated = assoc_maclist->count; } memcpy(scb_val.ea.octet, mgmt->da, ETH_ALEN); scb_val.val = mgmt->u.disassoc.reason_code; err = wldev_ioctl_set(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val, sizeof(scb_val_t)); if (err < 0) WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON error %d\n", err)); WL_ERR(("Disconnect STA : " MACDBG " scb_val.val %d\n", MAC2STRDBG(bcm_ether_ntoa((const struct ether_addr *)mgmt->da, eabuf)), scb_val.val)); if (num_associated > 0 && ETHER_ISBCAST(mgmt->da)) wl_delay(400); cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL); goto exit; } else if (ieee80211_is_action(mgmt->frame_control)) { /* Abort the dwell time of any previous off-channel * action frame that may be still in effect. Sending * off-channel action frames relies on the driver's * scan engine. If a previous off-channel action frame * tx is still in progress (including the dwell time), * then this new action frame will not be sent out. */ /* Do not abort scan for VSDB. Scan will be aborted in firmware if necessary. * And previous off-channel action frame must be ended before new af tx. */ #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST wl_cfg80211_cancel_scan(cfg); #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ } #ifdef WL_CLIENT_SAE else if (ieee80211_is_auth(mgmt->frame_control)) { int err = 0; wl_assoc_mgr_cmd_t *cmd; char *ambuf = NULL; int param_len; ack = true; if ((dev == bcmcfg_to_prmry_ndev(cfg)) && cfg->p2p) { bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); } param_len = sizeof(wl_assoc_mgr_cmd_t) + len; ambuf = MALLOCZ(cfg->osh, param_len); if (ambuf == NULL) { WL_ERR(("unable to allocate frame\n")); return -ENOMEM; } cmd = (wl_assoc_mgr_cmd_t*)ambuf; cmd->version = WL_ASSOC_MGR_CURRENT_VERSION; cmd->length = len; cmd->cmd = WL_ASSOC_MGR_CMD_SEND_AUTH; memcpy(&cmd->params, buf, len); err = wldev_iovar_setbuf(dev, "assoc_mgr_cmd", ambuf, param_len, cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("Failed to send auth(%d)\n", err)); ack = false; } MFREE(cfg->osh, ambuf, param_len); cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, ack, GFP_KERNEL); goto exit; } #endif /* WL_CLIENT_SAE */ } else { WL_ERR(("Driver only allows MGMT packet type\n")); goto exit; } af_params = (wl_af_params_t *)MALLOCZ(cfg->osh, WL_WIFI_AF_PARAMS_SIZE); if (af_params == NULL) { WL_ERR(("unable to allocate frame\n")); return -ENOMEM; } action_frame = &af_params->action_frame; /* Add the packet Id */ action_frame->packetId = *cookie; WL_DBG(("action frame %d\n", action_frame->packetId)); /* Add BSSID */ memcpy(&action_frame->da, &mgmt->da[0], ETHER_ADDR_LEN); memcpy(&af_params->BSSID, &mgmt->bssid[0], ETHER_ADDR_LEN); /* Add the length exepted for 802.11 header */ action_frame->len = len - DOT11_MGMT_HDR_LEN; WL_DBG(("action_frame->len: %d\n", action_frame->len)); /* Add the channel */ af_params->channel = ieee80211_frequency_to_channel(channel->center_freq); /* Save listen_chan for searching common channel */ cfg->afx_hdl->peer_listen_chan = af_params->channel; WL_DBG(("channel from upper layer %d\n", cfg->afx_hdl->peer_listen_chan)); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) af_params->dwell_time = params->wait; #else af_params->dwell_time = wait; #endif // endif memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], action_frame->len); ack = wl_cfg80211_send_action_frame(wiphy, dev, cfgdev, af_params, action_frame, action_frame->len, bssidx); cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, ack, GFP_KERNEL); MFREE(cfg->osh, af_params, WL_WIFI_AF_PARAMS_SIZE); exit: return err; } static void wl_cfg80211_mgmt_frame_register(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, u16 frame, bool reg) { WL_DBG(("frame_type: %x, reg: %d\n", frame, reg)); if (frame != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) return; return; } static s32 wl_cfg80211_change_bss(struct wiphy *wiphy, struct net_device *dev, struct bss_parameters *params) { s32 err = 0; s32 ap_isolate = 0; #ifdef PCIE_FULL_DONGLE s32 ifidx = DHD_BAD_IF; #endif // endif #if defined(PCIE_FULL_DONGLE) dhd_pub_t *dhd; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); dhd = (dhd_pub_t *)(cfg->pub); #if defined(WL_ENABLE_P2P_IF) if (cfg->p2p_net == dev) dev = bcmcfg_to_prmry_ndev(cfg); #endif #endif // endif if (params->use_cts_prot >= 0) { } if (params->use_short_preamble >= 0) { } if (params->use_short_slot_time >= 0) { } if (params->basic_rates) { } if (params->ap_isolate >= 0) { ap_isolate = params->ap_isolate; #ifdef PCIE_FULL_DONGLE ifidx = dhd_net2idx(dhd->info, dev); if (ifidx != DHD_BAD_IF) { err = dhd_set_ap_isolate(dhd, ifidx, ap_isolate); } else { WL_ERR(("Failed to set ap_isolate\n")); } #else err = wldev_iovar_setint(dev, "ap_isolate", ap_isolate); if (unlikely(err)) { WL_ERR(("set ap_isolate Error (%d)\n", err)); } #endif /* PCIE_FULL_DONGLE */ } if (params->ht_opmode >= 0) { } return err; } static int wl_get_bandwidth_cap(struct net_device *ndev, uint32 band, uint32 *bandwidth) { u32 bw = WL_CHANSPEC_BW_20; s32 err = BCME_OK; s32 bw_cap = 0; struct { u32 band; u32 bw_cap; } param = {0, 0}; u8 ioctl_buf[WLC_IOCTL_SMLEN]; if (band == IEEE80211_BAND_5GHZ) { param.band = WLC_BAND_5G; err = wldev_iovar_getbuf(ndev, "bw_cap", ¶m, sizeof(param), ioctl_buf, sizeof(ioctl_buf), NULL); if (err) { if (err != BCME_UNSUPPORTED) { WL_ERR(("bw_cap failed, %d\n", err)); return err; } else { err = wldev_iovar_getint(ndev, "mimo_bw_cap", &bw_cap); if (err) { WL_ERR(("error get mimo_bw_cap (%d)\n", err)); } if (bw_cap != WLC_N_BW_20ALL) { bw = WL_CHANSPEC_BW_40; } } } else { if (WL_BW_CAP_80MHZ(ioctl_buf[0])) { bw = WL_CHANSPEC_BW_80; } else if (WL_BW_CAP_40MHZ(ioctl_buf[0])) { bw = WL_CHANSPEC_BW_40; } else { bw = WL_CHANSPEC_BW_20; } } } else if (band == IEEE80211_BAND_2GHZ) { bw = WL_CHANSPEC_BW_20; } *bandwidth = bw; return err; } static s32 wl_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) { s32 _chan; chanspec_t chspec = 0; chanspec_t fw_chspec = 0; u32 bw = WL_CHANSPEC_BW_20; s32 err = BCME_OK; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); #if defined(CUSTOM_SET_CPUCORE) || defined(APSTA_RESTRICTED_CHANNEL) || defined(WL_EXT_IAPSTA) dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); #endif /* CUSTOM_SET_CPUCORE || APSTA_RESTRICTED_CHANNEL */ dev = ndev_to_wlc_ndev(dev, cfg); _chan = ieee80211_frequency_to_channel(chan->center_freq); #ifdef WL_EXT_IAPSTA if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) { wl_ext_iapsta_update_iftype(dev, dhd_net2idx(dhd->info, dev), WL_IF_TYPE_AP); _chan = wl_ext_iapsta_update_channel(dhd, dev, _chan); } #endif WL_MSG(dev->name, "netdev_ifidx(%d), chan_type(%d) target channel(%d) \n", dev->ifindex, channel_type, _chan); #ifdef NOT_YET switch (channel_type) { case NL80211_CHAN_HT40MINUS: /* secondary channel is below the control channel */ chspec = CH40MHZ_CHSPEC(channel, WL_CHANSPEC_CTL_SB_UPPER); break; case NL80211_CHAN_HT40PLUS: /* secondary channel is above the control channel */ chspec = CH40MHZ_CHSPEC(channel, WL_CHANSPEC_CTL_SB_LOWER); break; default: chspec = CH20MHZ_CHSPEC(channel); } #endif /* NOT_YET */ #if defined(APSTA_RESTRICTED_CHANNEL) if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP && DHD_OPMODE_STA_SOFTAP_CONCURR(dhd) && wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) { u32 *sta_chan = (u32 *)wl_read_prof(cfg, bcmcfg_to_prmry_ndev(cfg), WL_PROF_CHAN); u32 sta_band = (*sta_chan > CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_5GHZ : IEEE80211_BAND_2GHZ; if (chan->band == sta_band) { /* Do not try SCC in 5GHz if channel is not CH149 */ _chan = (sta_band == IEEE80211_BAND_5GHZ && *sta_chan != DEFAULT_5G_SOFTAP_CHANNEL) ? DEFAULT_2G_SOFTAP_CHANNEL : *sta_chan; WL_ERR(("target channel will be changed to %d\n", _chan)); if (_chan <= CH_MAX_2G_CHANNEL) { bw = WL_CHANSPEC_BW_20; goto set_channel; } } } #endif /* APSTA_RESTRICTED_CHANNEL */ err = wl_get_bandwidth_cap(dev, chan->band, &bw); if (err < 0) { WL_ERR(("Failed to get bandwidth information, err=%d\n", err)); return err; } set_channel: chspec = wf_channel2chspec(_chan, bw); if (wf_chspec_valid(chspec)) { fw_chspec = wl_chspec_host_to_driver(chspec); if (fw_chspec != INVCHANSPEC) { if ((err = wldev_iovar_setint(dev, "chanspec", fw_chspec)) == BCME_BADCHAN) { if (bw == WL_CHANSPEC_BW_80) goto change_bw; err = wldev_ioctl_set(dev, WLC_SET_CHANNEL, &_chan, sizeof(_chan)); if (err < 0) { WL_ERR(("WLC_SET_CHANNEL error %d" "chip may not be supporting this channel\n", err)); } } else if (err) { WL_ERR(("failed to set chanspec error %d\n", err)); } #ifdef DISABLE_WL_FRAMEBURST_SOFTAP else { /* Disable Frameburst only for stand-alone 2GHz SoftAP */ if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP && DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_HOSTAP_MODE) && (_chan <= CH_MAX_2G_CHANNEL) && !wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) { WL_DBG(("Disabling frameburst on " "stand-alone 2GHz SoftAP\n")); wl_cfg80211_set_frameburst(cfg, FALSE); } } #endif /* DISABLE_WL_FRAMEBURST_SOFTAP */ } else { WL_ERR(("failed to convert host chanspec to fw chanspec\n")); err = BCME_ERROR; } } else { change_bw: if (bw == WL_CHANSPEC_BW_80) bw = WL_CHANSPEC_BW_40; else if (bw == WL_CHANSPEC_BW_40) bw = WL_CHANSPEC_BW_20; else bw = 0; if (bw) goto set_channel; WL_ERR(("Invalid chanspec 0x%x\n", chspec)); err = BCME_ERROR; } #ifdef CUSTOM_SET_CPUCORE if (dhd->op_mode == DHD_FLAG_HOSTAP_MODE) { WL_DBG(("SoftAP mode do not need to set cpucore\n")); } else if (chspec & WL_CHANSPEC_BW_80) { /* SoftAp only mode do not need to set cpucore */ if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) && dev != bcmcfg_to_prmry_ndev(cfg)) { /* Soft AP on virtual Iface (AP+STA case) */ dhd->chan_isvht80 |= DHD_FLAG_HOSTAP_MODE; dhd_set_cpucore(dhd, TRUE); } else if (is_p2p_group_iface(dev->ieee80211_ptr)) { /* If P2P IF is vht80 */ dhd->chan_isvht80 |= DHD_FLAG_P2P_MODE; dhd_set_cpucore(dhd, TRUE); } } #endif /* CUSTOM_SET_CPUCORE */ if (!err && (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP)) { /* Update AP/GO operating channel */ cfg->ap_oper_channel = ieee80211_frequency_to_channel(chan->center_freq); } if (err) { wl_flush_fw_log_buffer(bcmcfg_to_prmry_ndev(cfg), FW_LOGSET_MASK_ALL); } return err; } #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST struct net_device * wl_cfg80211_get_remain_on_channel_ndev(struct bcm_cfg80211 *cfg) { struct net_info *_net_info, *next; GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); list_for_each_entry_safe(_net_info, next, &cfg->net_list, list) { GCC_DIAGNOSTIC_POP(); if (_net_info->ndev && test_bit(WL_STATUS_REMAINING_ON_CHANNEL, &_net_info->sme_state)) return _net_info->ndev; } return NULL; } #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ static s32 wl_validate_opensecurity(struct net_device *dev, s32 bssidx, bool privacy) { s32 err = BCME_OK; u32 wpa_val; s32 wsec = 0; /* set auth */ err = wldev_iovar_setint_bsscfg(dev, "auth", 0, bssidx); if (err < 0) { WL_ERR(("auth error %d\n", err)); return BCME_ERROR; } if (privacy) { /* If privacy bit is set in open mode, then WEP would be enabled */ wsec = WEP_ENABLED; WL_DBG(("Setting wsec to %d for WEP \n", wsec)); } /* set wsec */ err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); return BCME_ERROR; } /* set upper-layer auth */ if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC) wpa_val = WPA_AUTH_NONE; else wpa_val = WPA_AUTH_DISABLED; err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_val, bssidx); if (err < 0) { WL_ERR(("wpa_auth error %d\n", err)); return BCME_ERROR; } return 0; } #define MAX_FILS_IND_IE_LEN 1024u static s32 wl_validate_fils_ind_ie(struct net_device *dev, const bcm_tlv_t *filsindie, s32 bssidx) { s32 err = BCME_OK; struct bcm_cfg80211 *cfg = NULL; bcm_iov_buf_t *iov_buf = NULL; bcm_xtlv_t* pxtlv; int iov_buf_size = 0; if (!dev || !filsindie) { WL_ERR(("%s: dev/filsidie is null\n", __FUNCTION__)); goto exit; } cfg = wl_get_cfg(dev); if (!cfg) { WL_ERR(("%s: cfg is null\n", __FUNCTION__)); goto exit; } iov_buf_size = sizeof(bcm_iov_buf_t) + sizeof(bcm_xtlv_t) + filsindie->len - 1; iov_buf = MALLOCZ(cfg->osh, iov_buf_size); if (!iov_buf) { WL_ERR(("%s: iov_buf alloc failed! %d bytes\n", __FUNCTION__, iov_buf_size)); err = BCME_NOMEM; goto exit; } iov_buf->version = WL_FILS_IOV_VERSION; iov_buf->id = WL_FILS_CMD_ADD_IND_IE; iov_buf->len = sizeof(bcm_xtlv_t) + filsindie->len - 1; pxtlv = (bcm_xtlv_t*)&iov_buf->data[0]; pxtlv->id = WL_FILS_XTLV_IND_IE; pxtlv->len = filsindie->len; /* memcpy_s return check not required as buffer is allocated based on ie * len */ (void)memcpy_s(pxtlv->data, filsindie->len, filsindie->data, filsindie->len); err = wldev_iovar_setbuf(dev, "fils", iov_buf, iov_buf_size, cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("fils indication ioctl error (%d)\n", err)); goto exit; } exit: if (err < 0) { WL_ERR(("FILS Ind setting error %d\n", err)); } if (iov_buf) { MFREE(cfg->osh, iov_buf, iov_buf_size); } return err; } static s32 wl_validate_wpa2ie(struct net_device *dev, const bcm_tlv_t *wpa2ie, s32 bssidx) { s32 len = 0; s32 err = BCME_OK; u16 auth = 0; /* d11 open authentication */ u32 wsec; u32 pval = 0; u32 gval = 0; u32 wpa_auth = 0; const wpa_suite_mcast_t *mcast; const wpa_suite_ucast_t *ucast; const wpa_suite_auth_key_mgmt_t *mgmt; const wpa_pmkid_list_t *pmkid; int cnt = 0; #ifdef MFP int mfp = 0; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); #endif /* MFP */ u16 suite_count; u8 rsn_cap[2]; u32 wme_bss_disable; if (wpa2ie == NULL) goto exit; WL_DBG(("Enter \n")); len = wpa2ie->len - WPA2_VERSION_LEN; /* check the mcast cipher */ mcast = (const wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN]; switch (mcast->type) { case WPA_CIPHER_NONE: gval = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: gval = WEP_ENABLED; break; case WPA_CIPHER_TKIP: gval = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: gval = AES_ENABLED; break; #ifdef BCMWAPI_WPI case WAPI_CIPHER_SMS4: gval = SMS4_ENABLED; break; #endif // endif default: WL_ERR(("No Security Info\n")); break; } if ((len -= WPA_SUITE_LEN) <= 0) return BCME_BADLEN; /* check the unicast cipher */ ucast = (const wpa_suite_ucast_t *)&mcast[1]; suite_count = ltoh16_ua(&ucast->count); switch (ucast->list[0].type) { case WPA_CIPHER_NONE: pval = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: pval = WEP_ENABLED; break; case WPA_CIPHER_TKIP: pval = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: pval = AES_ENABLED; break; #ifdef BCMWAPI_WPI case WAPI_CIPHER_SMS4: pval = SMS4_ENABLED; break; #endif // endif default: WL_ERR(("No Security Info\n")); } if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0) return BCME_BADLEN; /* FOR WPS , set SEC_OW_ENABLED */ wsec = (pval | gval | SES_OW_ENABLED); /* check the AKM */ mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count]; suite_count = cnt = ltoh16_ua(&mgmt->count); while (cnt--) { switch (mgmt->list[cnt].type) { case RSN_AKM_NONE: wpa_auth |= WPA_AUTH_NONE; break; case RSN_AKM_UNSPECIFIED: wpa_auth |= WPA2_AUTH_UNSPECIFIED; break; case RSN_AKM_PSK: wpa_auth |= WPA2_AUTH_PSK; break; #ifdef MFP case RSN_AKM_MFP_PSK: wpa_auth |= WPA2_AUTH_PSK_SHA256; break; case RSN_AKM_MFP_1X: wpa_auth |= WPA2_AUTH_1X_SHA256; break; case RSN_AKM_FILS_SHA256: wpa_auth |= WPA2_AUTH_FILS_SHA256; break; case RSN_AKM_FILS_SHA384: wpa_auth |= WPA2_AUTH_FILS_SHA384; break; #if defined(WL_SAE) || defined(WL_CLIENT_SAE) case RSN_AKM_SAE_PSK: wpa_auth |= WPA3_AUTH_SAE_PSK; break; #endif /* WL_SAE || WL_CLIENT_SAE */ #endif /* MFP */ default: WL_ERR(("No Key Mgmt Info\n")); } } if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) { rsn_cap[0] = *(const u8 *)&mgmt->list[suite_count]; rsn_cap[1] = *((const u8 *)&mgmt->list[suite_count] + 1); if (rsn_cap[0] & (RSN_CAP_16_REPLAY_CNTRS << RSN_CAP_PTK_REPLAY_CNTR_SHIFT)) { wme_bss_disable = 0; } else { wme_bss_disable = 1; } #ifdef MFP if (rsn_cap[0] & RSN_CAP_MFPR) { WL_DBG(("MFP Required \n")); mfp = WL_MFP_REQUIRED; /* Our firmware has requirement that WPA2_AUTH_PSK/WPA2_AUTH_UNSPECIFIED * be set, if SHA256 OUI is to be included in the rsn ie. */ if (wpa_auth & WPA2_AUTH_PSK_SHA256) { wpa_auth |= WPA2_AUTH_PSK; } else if (wpa_auth & WPA2_AUTH_1X_SHA256) { wpa_auth |= WPA2_AUTH_UNSPECIFIED; } } else if (rsn_cap[0] & RSN_CAP_MFPC) { WL_DBG(("MFP Capable \n")); mfp = WL_MFP_CAPABLE; } #endif /* MFP */ /* set wme_bss_disable to sync RSN Capabilities */ err = wldev_iovar_setint_bsscfg(dev, "wme_bss_disable", wme_bss_disable, bssidx); if (err < 0) { WL_ERR(("wme_bss_disable error %d\n", err)); return BCME_ERROR; } } else { WL_DBG(("There is no RSN Capabilities. remained len %d\n", len)); } len -= RSN_CAP_LEN; if (len >= WPA2_PMKID_COUNT_LEN) { pmkid = (const wpa_pmkid_list_t *) ((const u8 *)&mgmt->list[suite_count] + RSN_CAP_LEN); cnt = ltoh16_ua(&pmkid->count); if (cnt != 0) { WL_ERR(("AP has non-zero PMKID count. Wrong!\n")); return BCME_ERROR; } /* since PMKID cnt is known to be 0 for AP, */ /* so don't bother to send down this info to firmware */ } #ifdef MFP len -= WPA2_PMKID_COUNT_LEN; if (len >= WPA_SUITE_LEN) { cfg->bip_pos = (const u8 *)&mgmt->list[suite_count] + RSN_CAP_LEN + WPA2_PMKID_COUNT_LEN; } else { cfg->bip_pos = NULL; } #endif // endif /* set auth */ err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx); if (err < 0) { WL_ERR(("auth error %d\n", err)); return BCME_ERROR; } /* set wsec */ err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); return BCME_ERROR; } #ifdef MFP cfg->mfp_mode = mfp; #endif /* MFP */ /* set upper-layer auth */ err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx); if (err < 0) { WL_ERR(("wpa_auth error %d\n", err)); return BCME_ERROR; } exit: return 0; } static s32 wl_validate_wpaie(struct net_device *dev, const wpa_ie_fixed_t *wpaie, s32 bssidx) { const wpa_suite_mcast_t *mcast; const wpa_suite_ucast_t *ucast; const wpa_suite_auth_key_mgmt_t *mgmt; u16 auth = 0; /* d11 open authentication */ u16 count; s32 err = BCME_OK; s32 len = 0; u32 i; u32 wsec; u32 pval = 0; u32 gval = 0; u32 wpa_auth = 0; u32 tmp = 0; if (wpaie == NULL) goto exit; WL_DBG(("Enter \n")); len = wpaie->length; /* value length */ len -= WPA_IE_TAG_FIXED_LEN; /* check for multicast cipher suite */ if (len < WPA_SUITE_LEN) { WL_INFORM_MEM(("no multicast cipher suite\n")); goto exit; } /* pick up multicast cipher */ mcast = (const wpa_suite_mcast_t *)&wpaie[1]; len -= WPA_SUITE_LEN; if (!bcmp(mcast->oui, WPA_OUI, WPA_OUI_LEN)) { if (IS_WPA_CIPHER(mcast->type)) { tmp = 0; switch (mcast->type) { case WPA_CIPHER_NONE: tmp = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: tmp = WEP_ENABLED; break; case WPA_CIPHER_TKIP: tmp = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: tmp = AES_ENABLED; break; default: WL_ERR(("No Security Info\n")); } gval |= tmp; } } /* Check for unicast suite(s) */ if (len < WPA_IE_SUITE_COUNT_LEN) { WL_INFORM_MEM(("no unicast suite\n")); goto exit; } /* walk thru unicast cipher list and pick up what we recognize */ ucast = (const wpa_suite_ucast_t *)&mcast[1]; count = ltoh16_ua(&ucast->count); len -= WPA_IE_SUITE_COUNT_LEN; for (i = 0; i < count && len >= WPA_SUITE_LEN; i++, len -= WPA_SUITE_LEN) { if (!bcmp(ucast->list[i].oui, WPA_OUI, WPA_OUI_LEN)) { if (IS_WPA_CIPHER(ucast->list[i].type)) { tmp = 0; switch (ucast->list[i].type) { case WPA_CIPHER_NONE: tmp = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: tmp = WEP_ENABLED; break; case WPA_CIPHER_TKIP: tmp = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: tmp = AES_ENABLED; break; default: WL_ERR(("No Security Info\n")); } pval |= tmp; } } } len -= (count - i) * WPA_SUITE_LEN; /* Check for auth key management suite(s) */ if (len < WPA_IE_SUITE_COUNT_LEN) { WL_INFORM_MEM((" no auth key mgmt suite\n")); goto exit; } /* walk thru auth management suite list and pick up what we recognize */ mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[count]; count = ltoh16_ua(&mgmt->count); len -= WPA_IE_SUITE_COUNT_LEN; for (i = 0; i < count && len >= WPA_SUITE_LEN; i++, len -= WPA_SUITE_LEN) { if (!bcmp(mgmt->list[i].oui, WPA_OUI, WPA_OUI_LEN)) { if (IS_WPA_AKM(mgmt->list[i].type)) { tmp = 0; switch (mgmt->list[i].type) { case RSN_AKM_NONE: tmp = WPA_AUTH_NONE; break; case RSN_AKM_UNSPECIFIED: tmp = WPA_AUTH_UNSPECIFIED; break; case RSN_AKM_PSK: tmp = WPA_AUTH_PSK; break; default: WL_ERR(("No Key Mgmt Info\n")); } wpa_auth |= tmp; } } } /* FOR WPS , set SEC_OW_ENABLED */ wsec = (pval | gval | SES_OW_ENABLED); /* set auth */ err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx); if (err < 0) { WL_ERR(("auth error %d\n", err)); return BCME_ERROR; } /* set wsec */ err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); return BCME_ERROR; } /* set upper-layer auth */ err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx); if (err < 0) { WL_ERR(("wpa_auth error %d\n", err)); return BCME_ERROR; } exit: return 0; } #if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED) static u32 wl_get_cipher_type(uint8 type) { u32 ret = 0; switch (type) { case WPA_CIPHER_NONE: ret = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: ret = WEP_ENABLED; break; case WPA_CIPHER_TKIP: ret = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: ret = AES_ENABLED; break; #ifdef BCMWAPI_WPI case WAPI_CIPHER_SMS4: ret = SMS4_ENABLED; break; #endif // endif default: WL_ERR(("No Security Info\n")); } return ret; } static u32 wl_get_suite_auth_key_mgmt_type(uint8 type, const wpa_suite_mcast_t *mcast) { u32 ret = 0; u32 is_wpa2 = 0; if (!bcmp(mcast->oui, WPA2_OUI, WPA2_OUI_LEN)) { is_wpa2 = 1; } WL_INFORM_MEM(("%s, type = %d\n", is_wpa2 ? "WPA2":"WPA", type)); switch (type) { case RSN_AKM_NONE: /* For WPA and WPA2, AUTH_NONE is common */ ret = WPA_AUTH_NONE; break; case RSN_AKM_UNSPECIFIED: if (is_wpa2) { ret = WPA2_AUTH_UNSPECIFIED; } else { ret = WPA_AUTH_UNSPECIFIED; } break; case RSN_AKM_PSK: if (is_wpa2) { ret = WPA2_AUTH_PSK; } else { ret = WPA_AUTH_PSK; } break; #ifdef WL_SAE case RSN_AKM_SAE_PSK: ret = WPA3_AUTH_SAE_PSK; break; #endif /* WL_SAE */ default: WL_ERR(("No Key Mgmt Info\n")); } return ret; } static s32 wl_validate_wpaie_wpa2ie(struct net_device *dev, const wpa_ie_fixed_t *wpaie, const bcm_tlv_t *wpa2ie, s32 bssidx) { const wpa_suite_mcast_t *mcast; const wpa_suite_ucast_t *ucast; const wpa_suite_auth_key_mgmt_t *mgmt; u16 auth = 0; /* d11 open authentication */ u16 count; s32 err = BCME_OK; u32 wme_bss_disable; u16 suite_count; u8 rsn_cap[2]; s32 len = 0; u32 i; u32 wsec1, wsec2, wsec; u32 pval = 0; u32 gval = 0; u32 wpa_auth = 0; u32 wpa_auth1 = 0; u32 wpa_auth2 = 0; if (wpaie == NULL || wpa2ie == NULL) goto exit; WL_DBG(("Enter \n")); len = wpaie->length; /* value length */ len -= WPA_IE_TAG_FIXED_LEN; /* check for multicast cipher suite */ if (len < WPA_SUITE_LEN) { WL_INFORM_MEM(("no multicast cipher suite\n")); goto exit; } /* pick up multicast cipher */ mcast = (const wpa_suite_mcast_t *)&wpaie[1]; len -= WPA_SUITE_LEN; if (!bcmp(mcast->oui, WPA_OUI, WPA_OUI_LEN)) { if (IS_WPA_CIPHER(mcast->type)) { gval |= wl_get_cipher_type(mcast->type); } } WL_DBG(("\nwpa ie validate\n")); WL_DBG(("wpa ie mcast cipher = 0x%X\n", gval)); /* Check for unicast suite(s) */ if (len < WPA_IE_SUITE_COUNT_LEN) { WL_INFORM_MEM(("no unicast suite\n")); goto exit; } /* walk thru unicast cipher list and pick up what we recognize */ ucast = (const wpa_suite_ucast_t *)&mcast[1]; count = ltoh16_ua(&ucast->count); len -= WPA_IE_SUITE_COUNT_LEN; for (i = 0; i < count && len >= WPA_SUITE_LEN; i++, len -= WPA_SUITE_LEN) { if (!bcmp(ucast->list[i].oui, WPA_OUI, WPA_OUI_LEN)) { if (IS_WPA_CIPHER(ucast->list[i].type)) { pval |= wl_get_cipher_type(ucast->list[i].type); } } } WL_ERR(("wpa ie ucast count =%d, cipher = 0x%X\n", count, pval)); /* FOR WPS , set SEC_OW_ENABLED */ wsec1 = (pval | gval | SES_OW_ENABLED); WL_ERR(("wpa ie wsec = 0x%X\n", wsec1)); len -= (count - i) * WPA_SUITE_LEN; /* Check for auth key management suite(s) */ if (len < WPA_IE_SUITE_COUNT_LEN) { WL_INFORM_MEM((" no auth key mgmt suite\n")); goto exit; } /* walk thru auth management suite list and pick up what we recognize */ mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[count]; count = ltoh16_ua(&mgmt->count); len -= WPA_IE_SUITE_COUNT_LEN; for (i = 0; i < count && len >= WPA_SUITE_LEN; i++, len -= WPA_SUITE_LEN) { if (!bcmp(mgmt->list[i].oui, WPA_OUI, WPA_OUI_LEN)) { if (IS_WPA_AKM(mgmt->list[i].type)) { wpa_auth1 |= wl_get_suite_auth_key_mgmt_type(mgmt->list[i].type, mcast); } } } WL_ERR(("wpa ie wpa_suite_auth_key_mgmt count=%d, key_mgmt = 0x%X\n", count, wpa_auth1)); WL_ERR(("\nwpa2 ie validate\n")); pval = 0; gval = 0; len = wpa2ie->len; /* check the mcast cipher */ mcast = (const wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN]; gval = wl_get_cipher_type(mcast->type); WL_ERR(("wpa2 ie mcast cipher = 0x%X\n", gval)); if ((len -= WPA_SUITE_LEN) <= 0) { WL_ERR(("P:wpa2 ie len[%d]", len)); return BCME_BADLEN; } /* check the unicast cipher */ ucast = (const wpa_suite_ucast_t *)&mcast[1]; suite_count = ltoh16_ua(&ucast->count); WL_ERR((" WPA2 ucast cipher count=%d\n", suite_count)); pval |= wl_get_cipher_type(ucast->list[0].type); if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0) return BCME_BADLEN; WL_ERR(("wpa2 ie ucast cipher = 0x%X\n", pval)); /* FOR WPS , set SEC_OW_ENABLED */ wsec2 = (pval | gval | SES_OW_ENABLED); WL_ERR(("wpa2 ie wsec = 0x%X\n", wsec2)); /* check the AKM */ mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count]; suite_count = ltoh16_ua(&mgmt->count); wpa_auth2 = wl_get_suite_auth_key_mgmt_type(mgmt->list[0].type, mcast); WL_ERR(("wpa ie wpa_suite_auth_key_mgmt count=%d, key_mgmt = 0x%X\n", count, wpa_auth2)); if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) { rsn_cap[0] = *(const u8 *)&mgmt->list[suite_count]; rsn_cap[1] = *((const u8 *)&mgmt->list[suite_count] + 1); if (rsn_cap[0] & (RSN_CAP_16_REPLAY_CNTRS << RSN_CAP_PTK_REPLAY_CNTR_SHIFT)) { wme_bss_disable = 0; } else { wme_bss_disable = 1; } WL_DBG(("P:rsn_cap[0]=[0x%X]:wme_bss_disabled[%d]\n", rsn_cap[0], wme_bss_disable)); /* set wme_bss_disable to sync RSN Capabilities */ err = wldev_iovar_setint_bsscfg(dev, "wme_bss_disable", wme_bss_disable, bssidx); if (err < 0) { WL_ERR(("wme_bss_disable error %d\n", err)); return BCME_ERROR; } } else { WL_DBG(("There is no RSN Capabilities. remained len %d\n", len)); } wsec = (wsec1 | wsec2); wpa_auth = (wpa_auth1 | wpa_auth2); WL_ERR(("wpa_wpa2 wsec=0x%X wpa_auth=0x%X\n", wsec, wpa_auth)); /* set auth */ err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx); if (err < 0) { WL_ERR(("auth error %d\n", err)); return BCME_ERROR; } /* set wsec */ err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); return BCME_ERROR; } /* set upper-layer auth */ err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx); if (err < 0) { WL_ERR(("wpa_auth error %d\n", err)); return BCME_ERROR; } exit: return 0; } #endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */ static s32 wl_cfg80211_bcn_validate_sec( struct net_device *dev, struct parsed_ies *ies, u32 dev_role, s32 bssidx, bool privacy) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); wl_cfgbss_t *bss = wl_get_cfgbss_by_wdev(cfg, dev->ieee80211_ptr); if (!bss) { WL_ERR(("cfgbss is NULL \n")); return BCME_ERROR; } if (dev_role == NL80211_IFTYPE_P2P_GO && (ies->wpa2_ie)) { /* For P2P GO, the sec type is WPA2-PSK */ WL_DBG(("P2P GO: validating wpa2_ie")); if (wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0) return BCME_ERROR; } else if (dev_role == NL80211_IFTYPE_AP) { WL_DBG(("SoftAP: validating security")); /* If wpa2_ie or wpa_ie is present validate it */ #if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED) if ((ies->wpa_ie != NULL && ies->wpa2_ie != NULL)) { if (wl_validate_wpaie_wpa2ie(dev, ies->wpa_ie, ies->wpa2_ie, bssidx) < 0) { bss->security_mode = false; return BCME_ERROR; } } else { #endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */ if ((ies->wpa2_ie || ies->wpa_ie) && ((wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0 || wl_validate_wpaie(dev, ies->wpa_ie, bssidx) < 0))) { bss->security_mode = false; return BCME_ERROR; } if (ies->fils_ind_ie && (wl_validate_fils_ind_ie(dev, ies->fils_ind_ie, bssidx) < 0)) { bss->security_mode = false; return BCME_ERROR; } bss->security_mode = true; if (bss->rsn_ie) { MFREE(cfg->osh, bss->rsn_ie, bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN); bss->rsn_ie = NULL; } if (bss->wpa_ie) { MFREE(cfg->osh, bss->wpa_ie, bss->wpa_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN); bss->wpa_ie = NULL; } if (bss->wps_ie) { MFREE(cfg->osh, bss->wps_ie, bss->wps_ie[1] + 2); bss->wps_ie = NULL; } if (bss->fils_ind_ie) { MFREE(cfg->osh, bss->fils_ind_ie, bss->fils_ind_ie[1] + FILS_INDICATION_IE_TAG_FIXED_LEN); bss->fils_ind_ie = NULL; } if (ies->wpa_ie != NULL) { /* WPAIE */ bss->rsn_ie = NULL; bss->wpa_ie = MALLOCZ(cfg->osh, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->wpa_ie) { memcpy(bss->wpa_ie, ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); } } else if (ies->wpa2_ie != NULL) { /* RSNIE */ bss->wpa_ie = NULL; bss->rsn_ie = MALLOCZ(cfg->osh, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->rsn_ie) { memcpy(bss->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); } } #ifdef WL_FILS if (ies->fils_ind_ie) { bss->fils_ind_ie = MALLOCZ(cfg->osh, ies->fils_ind_ie->len + FILS_INDICATION_IE_TAG_FIXED_LEN); if (bss->fils_ind_ie) { memcpy(bss->fils_ind_ie, ies->fils_ind_ie, ies->fils_ind_ie->len + FILS_INDICATION_IE_TAG_FIXED_LEN); } } #endif /* WL_FILS */ #if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED) } #endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */ if (!ies->wpa2_ie && !ies->wpa_ie) { wl_validate_opensecurity(dev, bssidx, privacy); bss->security_mode = false; } if (ies->wps_ie) { bss->wps_ie = MALLOCZ(cfg->osh, ies->wps_ie_len); if (bss->wps_ie) { memcpy(bss->wps_ie, ies->wps_ie, ies->wps_ie_len); } } } return 0; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS) static s32 wl_cfg80211_bcn_set_params( struct cfg80211_ap_settings *info, struct net_device *dev, u32 dev_role, s32 bssidx) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); s32 err = BCME_OK; WL_DBG(("interval (%d) \ndtim_period (%d) \n", info->beacon_interval, info->dtim_period)); if (info->beacon_interval) { if ((err = wldev_ioctl_set(dev, WLC_SET_BCNPRD, &info->beacon_interval, sizeof(s32))) < 0) { WL_ERR(("Beacon Interval Set Error, %d\n", err)); return err; } } if (info->dtim_period) { if ((err = wldev_ioctl_set(dev, WLC_SET_DTIMPRD, &info->dtim_period, sizeof(s32))) < 0) { WL_ERR(("DTIM Interval Set Error, %d\n", err)); return err; } } if ((info->ssid) && (info->ssid_len > 0) && (info->ssid_len <= DOT11_MAX_SSID_LEN)) { WL_DBG(("SSID (%s) len:%zd \n", info->ssid, info->ssid_len)); if (dev_role == NL80211_IFTYPE_AP) { /* Store the hostapd SSID */ bzero(cfg->hostapd_ssid.SSID, DOT11_MAX_SSID_LEN); memcpy(cfg->hostapd_ssid.SSID, info->ssid, info->ssid_len); cfg->hostapd_ssid.SSID_len = (uint32)info->ssid_len; } else { /* P2P GO */ bzero(cfg->p2p->ssid.SSID, DOT11_MAX_SSID_LEN); memcpy(cfg->p2p->ssid.SSID, info->ssid, info->ssid_len); cfg->p2p->ssid.SSID_len = (uint32)info->ssid_len; } } return err; } #endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */ static s32 wl_cfg80211_parse_ies(const u8 *ptr, u32 len, struct parsed_ies *ies) { s32 err = BCME_OK; bzero(ies, sizeof(struct parsed_ies)); /* find the WPSIE */ if ((ies->wps_ie = wl_cfgp2p_find_wpsie(ptr, len)) != NULL) { WL_DBG(("WPSIE in beacon \n")); ies->wps_ie_len = ies->wps_ie->length + WPA_RSN_IE_TAG_FIXED_LEN; } else { WL_ERR(("No WPSIE in beacon \n")); } /* find the RSN_IE */ if ((ies->wpa2_ie = bcm_parse_tlvs(ptr, len, DOT11_MNG_RSN_ID)) != NULL) { WL_DBG((" WPA2 IE found\n")); ies->wpa2_ie_len = ies->wpa2_ie->len; } /* find the FILS_IND_IE */ if ((ies->fils_ind_ie = bcm_parse_tlvs(ptr, len, DOT11_MNG_FILS_IND_ID)) != NULL) { WL_DBG((" FILS IND IE found\n")); ies->fils_ind_ie_len = ies->fils_ind_ie->len; } /* find the WPA_IE */ if ((ies->wpa_ie = wl_cfgp2p_find_wpaie(ptr, len)) != NULL) { WL_DBG((" WPA found\n")); ies->wpa_ie_len = ies->wpa_ie->length; } return err; } static s32 wl_cfg80211_set_ap_role( struct bcm_cfg80211 *cfg, struct net_device *dev) { s32 err = BCME_OK; s32 infra = 1; s32 ap = 0; s32 pm; s32 bssidx; s32 apsta = 0; bool legacy_chip; legacy_chip = wl_legacy_chip_check(cfg); if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return -EINVAL; } WL_INFORM_MEM(("[%s] Bringup SoftAP on bssidx:%d \n", dev->name, bssidx)); if (bssidx != 0 || !legacy_chip) { if ((err = wl_cfg80211_add_del_bss(cfg, dev, bssidx, WL_IF_TYPE_AP, 0, NULL)) < 0) { WL_ERR(("wl add_del_bss returned error:%d\n", err)); return err; } } /* * For older chips, "bss" iovar does not support * bsscfg role change/upgradation, and still * return BCME_OK on attempt * Hence, below traditional way to handle the same */ if ((err = wldev_ioctl_get(dev, WLC_GET_AP, &ap, sizeof(s32))) < 0) { WL_ERR(("Getting AP mode failed %d \n", err)); return err; } if (!ap) { /* AP mode switch not supported. Try setting up AP explicitly */ err = wldev_iovar_getint(dev, "apsta", (s32 *)&apsta); if (unlikely(err)) { WL_ERR(("Could not get apsta %d\n", err)); return err; } if (apsta == 0) { /* If apsta is not set, set it */ /* Check for any connected interfaces before wl down */ if (wl_get_drv_status_all(cfg, CONNECTED) > 0) { WL_ERR(("Concurrent i/f operational. can't do wl down")); return BCME_ERROR; } err = wldev_ioctl_set(dev, WLC_DOWN, &ap, sizeof(s32)); if (err < 0) { WL_ERR(("WLC_DOWN error %d\n", err)); return err; } err = wldev_iovar_setint(dev, "apsta", 0); if (err < 0) { WL_ERR(("wl apsta 0 error %d\n", err)); return err; } ap = 1; if ((err = wldev_ioctl_set(dev, WLC_SET_AP, &ap, sizeof(s32))) < 0) { WL_ERR(("setting AP mode failed %d \n", err)); return err; } } } else if (bssidx == 0 && legacy_chip) { err = wldev_ioctl_set(dev, WLC_DOWN, &ap, sizeof(s32)); if (err < 0) { WL_ERR(("WLC_DOWN error %d\n", err)); return err; } err = wldev_iovar_setint(dev, "apsta", 0); if (err < 0) { WL_ERR(("wl apsta 0 error %d\n", err)); return err; } ap = 1; if ((err = wldev_ioctl_set(dev, WLC_SET_AP, &ap, sizeof(s32))) < 0) { WL_ERR(("setting AP mode failed %d \n", err)); return err; } } if (bssidx == 0) { pm = 0; if ((err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm))) != 0) { WL_ERR(("wl PM 0 returned error:%d\n", err)); /* Ignore error, if any */ err = BCME_OK; } err = wldev_ioctl_set(dev, WLC_SET_INFRA, &infra, sizeof(s32)); if (err < 0) { WL_ERR(("SET INFRA error %d\n", err)); return err; } } /* On success, mark AP creation in progress. */ wl_set_drv_status(cfg, AP_CREATING, dev); return 0; } /* In RSDB downgrade cases, the link up event can get delayed upto 7-8 secs */ #define MAX_AP_LINK_WAIT_TIME 10000 static s32 wl_cfg80211_bcn_bringup_ap( struct net_device *dev, struct parsed_ies *ies, u32 dev_role, s32 bssidx) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct wl_join_params join_params; bool is_bssup = false; s32 infra = 1; s32 join_params_size = 0; s32 ap = 1; s32 wsec; #ifdef DISABLE_11H_SOFTAP s32 spect = 0; #endif /* DISABLE_11H_SOFTAP */ #ifdef SOFTAP_UAPSD_OFF uint32 wme_apsd = 0; #endif /* SOFTAP_UAPSD_OFF */ s32 err = BCME_OK; s32 is_rsdb_supported = BCME_ERROR; long timeout; dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); char sec[32]; is_rsdb_supported = DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_RSDB_MODE); if (is_rsdb_supported < 0) return (-ENODEV); WL_DBG(("Enter dev_role:%d bssidx:%d ifname:%s\n", dev_role, bssidx, dev->name)); /* Common code for SoftAP and P2P GO */ wl_clr_drv_status(cfg, AP_CREATED, dev); /* Make sure INFRA is set for AP/GO */ err = wldev_ioctl_set(dev, WLC_SET_INFRA, &infra, sizeof(s32)); if (err < 0) { WL_ERR(("SET INFRA error %d\n", err)); goto exit; } /* Do abort scan before creating GO */ wl_cfg80211_scan_abort(cfg); if (dev_role == NL80211_IFTYPE_P2P_GO) { wl_ext_get_sec(dev, 0, sec, sizeof(sec)); WL_MSG(dev->name, "Creating GO with sec=%s\n", sec); is_bssup = wl_cfg80211_bss_isup(dev, bssidx); if (!is_bssup && (ies->wpa2_ie != NULL)) { err = wldev_iovar_setbuf_bsscfg(dev, "ssid", &cfg->p2p->ssid, sizeof(cfg->p2p->ssid), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("GO SSID setting error %d\n", err)); goto exit; } if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 1)) < 0) { WL_ERR(("GO Bring up error %d\n", err)); goto exit; } } else WL_DBG(("Bss is already up\n")); } else if (dev_role == NL80211_IFTYPE_AP) { // if (!wl_get_drv_status(cfg, AP_CREATING, dev)) { /* Make sure fw is in proper state */ err = wl_cfg80211_set_ap_role(cfg, dev); if (unlikely(err)) { WL_ERR(("set ap role failed!\n")); goto exit; } // } /* Device role SoftAP */ WL_DBG(("Creating AP bssidx:%d dev_role:%d\n", bssidx, dev_role)); /* Clear the status bit after use */ wl_clr_drv_status(cfg, AP_CREATING, dev); #ifdef DISABLE_11H_SOFTAP if (is_rsdb_supported == 0) { err = wldev_ioctl_set(dev, WLC_DOWN, &ap, sizeof(s32)); if (err < 0) { WL_ERR(("WLC_DOWN error %d\n", err)); goto exit; } } err = wldev_ioctl_set(dev, WLC_SET_SPECT_MANAGMENT, &spect, sizeof(s32)); if (err < 0) { WL_ERR(("SET SPECT_MANAGMENT error %d\n", err)); goto exit; } #endif /* DISABLE_11H_SOFTAP */ #ifdef WL_DISABLE_HE_SOFTAP err = wl_cfg80211_set_he_mode(dev, cfg, bssidx, WL_IF_TYPE_AP, FALSE); if (err < 0) { WL_ERR(("failed to set he features, error=%d\n", err)); } #endif /* WL_DISABLE_HE_SOFTAP */ #ifdef SOFTAP_UAPSD_OFF err = wldev_iovar_setbuf_bsscfg(dev, "wme_apsd", &wme_apsd, sizeof(wme_apsd), cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("failed to disable uapsd, error=%d\n", err)); } #endif /* SOFTAP_UAPSD_OFF */ err = wldev_ioctl_set(dev, WLC_UP, &ap, sizeof(s32)); if (unlikely(err)) { WL_ERR(("WLC_UP error (%d)\n", err)); goto exit; } #ifdef MFP if (cfg->bip_pos) { err = wldev_iovar_setbuf_bsscfg(dev, "bip", (const void *)(cfg->bip_pos), WPA_SUITE_LEN, cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("bip set error %d\n", err)); { goto exit; } } } #endif /* MFP */ err = wldev_iovar_getint(dev, "wsec", (s32 *)&wsec); if (unlikely(err)) { WL_ERR(("Could not get wsec %d\n", err)); goto exit; } if (dhdp->conf->chip == BCM43430_CHIP_ID && bssidx > 0 && (wsec & (TKIP_ENABLED|AES_ENABLED))) { wsec |= WSEC_SWFLAG; // terence 20180628: fix me, this is a workaround err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); goto exit; } } if ((wsec == WEP_ENABLED) && cfg->wep_key.len) { WL_DBG(("Applying buffered WEP KEY \n")); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &cfg->wep_key, sizeof(struct wl_wsec_key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); /* clear the key after use */ bzero(&cfg->wep_key, sizeof(struct wl_wsec_key)); if (unlikely(err)) { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); goto exit; } } #ifdef MFP if (cfg->mfp_mode) { /* This needs to go after wsec otherwise the wsec command will * overwrite the values set by MFP */ err = wldev_iovar_setint_bsscfg(dev, "mfp", cfg->mfp_mode, bssidx); if (err < 0) { WL_ERR(("MFP Setting failed. ret = %d \n", err)); /* If fw doesn't support mfp, Ignore the error */ if (err != BCME_UNSUPPORTED) { goto exit; } } } #endif /* MFP */ bzero(&join_params, sizeof(join_params)); /* join parameters starts with ssid */ join_params_size = sizeof(join_params.ssid); join_params.ssid.SSID_len = MIN(cfg->hostapd_ssid.SSID_len, (uint32)DOT11_MAX_SSID_LEN); memcpy(join_params.ssid.SSID, cfg->hostapd_ssid.SSID, join_params.ssid.SSID_len); join_params.ssid.SSID_len = htod32(join_params.ssid.SSID_len); wl_ext_get_sec(dev, 0, sec, sizeof(sec)); WL_MSG(dev->name, "Creating AP with sec=%s\n", sec); /* create softap */ if ((err = wldev_ioctl_set(dev, WLC_SET_SSID, &join_params, join_params_size)) != 0) { WL_ERR(("SoftAP/GO set ssid failed! \n")); goto exit; } else { WL_DBG((" SoftAP SSID \"%s\" \n", join_params.ssid.SSID)); } if (bssidx != 0) { /* AP on Virtual Interface */ if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 1)) < 0) { WL_ERR(("AP Bring up error %d\n", err)); goto exit; } } } else { WL_ERR(("Wrong interface type %d\n", dev_role)); goto exit; } /* Wait for Linkup event to mark successful AP/GO bring up */ timeout = wait_event_interruptible_timeout(cfg->netif_change_event, wl_get_drv_status(cfg, AP_CREATED, dev), msecs_to_jiffies(MAX_AP_LINK_WAIT_TIME)); if (timeout <= 0 || !wl_get_drv_status(cfg, AP_CREATED, dev)) { WL_ERR(("Link up didn't come for AP interface. AP/GO creation failed! \n")); if (timeout == -ERESTARTSYS) { WL_ERR(("waitqueue was interrupted by a signal, returns -ERESTARTSYS\n")); err = -ERESTARTSYS; goto exit; } if (dhd_query_bus_erros(dhdp)) { err = -ENODEV; goto exit; } dhdp->iface_op_failed = TRUE; #if defined(DHD_DEBUG) && defined(DHD_FW_COREDUMP) if (dhdp->memdump_enabled) { dhdp->memdump_type = DUMP_TYPE_AP_LINKUP_FAILURE; dhd_bus_mem_dump(dhdp); } #endif /* DHD_DEBUG && DHD_FW_COREDUMP */ err = -ENODEV; goto exit; } SUPP_LOG(("AP/GO Link up\n")); exit: if (cfg->wep_key.len) { bzero(&cfg->wep_key, sizeof(struct wl_wsec_key)); } #ifdef MFP if (cfg->mfp_mode) { cfg->mfp_mode = 0; } if (cfg->bip_pos) { cfg->bip_pos = NULL; } #endif /* MFP */ if (err) { SUPP_LOG(("AP/GO bring up fail. err:%d\n", err)); } return err; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS) s32 wl_cfg80211_parse_ap_ies( struct net_device *dev, struct cfg80211_beacon_data *info, struct parsed_ies *ies) { struct parsed_ies prb_ies; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); const u8 *vndr = NULL; u32 vndr_ie_len = 0; s32 err = BCME_OK; /* Parse Beacon IEs */ if (wl_cfg80211_parse_ies((const u8 *)info->tail, info->tail_len, ies) < 0) { WL_ERR(("Beacon get IEs failed \n")); err = -EINVAL; goto fail; } vndr = (const u8 *)info->proberesp_ies; vndr_ie_len = (uint32)info->proberesp_ies_len; if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { /* SoftAP mode */ const struct ieee80211_mgmt *mgmt; mgmt = (const struct ieee80211_mgmt *)info->probe_resp; if (mgmt != NULL) { vndr = (const u8 *)&mgmt->u.probe_resp.variable; vndr_ie_len = (uint32)(info->probe_resp_len - offsetof(const struct ieee80211_mgmt, u.probe_resp.variable)); } } /* Parse Probe Response IEs */ if (wl_cfg80211_parse_ies((const u8 *)vndr, vndr_ie_len, &prb_ies) < 0) { WL_ERR(("PROBE RESP get IEs failed \n")); err = -EINVAL; } fail: return err; } s32 wl_cfg80211_set_ies( struct net_device *dev, struct cfg80211_beacon_data *info, s32 bssidx) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); const u8 *vndr = NULL; u32 vndr_ie_len = 0; s32 err = BCME_OK; /* Set Beacon IEs to FW */ if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx, VNDR_IE_BEACON_FLAG, (const u8 *)info->tail, info->tail_len)) < 0) { WL_ERR(("Set Beacon IE Failed \n")); } else { WL_DBG(("Applied Vndr IEs for Beacon \n")); } vndr = (const u8 *)info->proberesp_ies; vndr_ie_len = (uint32)info->proberesp_ies_len; if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { /* SoftAP mode */ const struct ieee80211_mgmt *mgmt; mgmt = (const struct ieee80211_mgmt *)info->probe_resp; if (mgmt != NULL) { vndr = (const u8 *)&mgmt->u.probe_resp.variable; vndr_ie_len = (uint32)(info->probe_resp_len - offsetof(struct ieee80211_mgmt, u.probe_resp.variable)); } } /* Set Probe Response IEs to FW */ if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx, VNDR_IE_PRBRSP_FLAG, vndr, vndr_ie_len)) < 0) { WL_ERR(("Set Probe Resp IE Failed \n")); } else { WL_DBG(("Applied Vndr IEs for Probe Resp \n")); } return err; } #endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */ static s32 wl_cfg80211_hostapd_sec( struct net_device *dev, struct parsed_ies *ies, s32 bssidx) { bool update_bss = 0; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); wl_cfgbss_t *bss = wl_get_cfgbss_by_wdev(cfg, dev->ieee80211_ptr); if (!bss) { WL_ERR(("cfgbss is NULL \n")); return -EINVAL; } if (ies->wps_ie) { if (bss->wps_ie && memcmp(bss->wps_ie, ies->wps_ie, ies->wps_ie_len)) { WL_DBG((" WPS IE is changed\n")); MFREE(cfg->osh, bss->wps_ie, bss->wps_ie[1] + 2); bss->wps_ie = MALLOCZ(cfg->osh, ies->wps_ie_len); if (bss->wps_ie) { memcpy(bss->wps_ie, ies->wps_ie, ies->wps_ie_len); } } else if (bss->wps_ie == NULL) { WL_DBG((" WPS IE is added\n")); bss->wps_ie = MALLOCZ(cfg->osh, ies->wps_ie_len); if (bss->wps_ie) { memcpy(bss->wps_ie, ies->wps_ie, ies->wps_ie_len); } } #if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED) if (ies->wpa_ie != NULL && ies->wpa2_ie != NULL) { WL_ERR(("update bss - wpa_ie and wpa2_ie is not null\n")); if (!bss->security_mode) { /* change from open mode to security mode */ update_bss = true; bss->wpa_ie = MALLOCZ(cfg->osh, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->wpa_ie) { memcpy(bss->wpa_ie, ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); } bss->rsn_ie = MALLOCZ(cfg->osh, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->rsn_ie) { memcpy(bss->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); } } else { /* change from (WPA or WPA2 or WPA/WPA2) to WPA/WPA2 mixed mode */ if (bss->wpa_ie) { if (memcmp(bss->wpa_ie, ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN)) { MFREE(cfg->osh, bss->wpa_ie, bss->wpa_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN); update_bss = true; bss->wpa_ie = MALLOCZ(cfg->osh, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->wpa_ie) { memcpy(bss->wpa_ie, ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); } } } else { update_bss = true; bss->wpa_ie = MALLOCZ(cfg->osh, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->wpa_ie) { memcpy(bss->wpa_ie, ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); } } if (bss->rsn_ie) { if (memcmp(bss->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN)) { update_bss = true; MFREE(cfg->osh, bss->rsn_ie, bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN); bss->rsn_ie = MALLOCZ(cfg->osh, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->rsn_ie) { memcpy(bss->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); } } } else { update_bss = true; bss->rsn_ie = MALLOCZ(cfg->osh, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->rsn_ie) { memcpy(bss->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); } } } WL_ERR(("update_bss=%d\n", update_bss)); if (update_bss) { bss->security_mode = true; wl_cfg80211_bss_up(cfg, dev, bssidx, 0); if (wl_validate_wpaie_wpa2ie(dev, ies->wpa_ie, ies->wpa2_ie, bssidx) < 0) { return BCME_ERROR; } wl_cfg80211_bss_up(cfg, dev, bssidx, 1); } } else #endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */ if ((ies->wpa_ie != NULL || ies->wpa2_ie != NULL)) { if (!bss->security_mode) { /* change from open mode to security mode */ update_bss = true; if (ies->wpa_ie != NULL) { bss->wpa_ie = MALLOCZ(cfg->osh, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->wpa_ie) { memcpy(bss->wpa_ie, ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); } } else { bss->rsn_ie = MALLOCZ(cfg->osh, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->rsn_ie) { memcpy(bss->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); } } } else if (bss->wpa_ie) { /* change from WPA2 mode to WPA mode */ if (ies->wpa_ie != NULL) { update_bss = true; MFREE(cfg->osh, bss->rsn_ie, bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN); bss->rsn_ie = NULL; bss->wpa_ie = MALLOCZ(cfg->osh, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->wpa_ie) { memcpy(bss->wpa_ie, ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN); } } else if (memcmp(bss->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN)) { update_bss = true; MFREE(cfg->osh, bss->rsn_ie, bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN); bss->rsn_ie = MALLOCZ(cfg->osh, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); if (bss->rsn_ie) { memcpy(bss->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN); } bss->wpa_ie = NULL; } } if (update_bss) { bss->security_mode = true; wl_cfg80211_bss_up(cfg, dev, bssidx, 0); if (wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0 || wl_validate_wpaie(dev, ies->wpa_ie, bssidx) < 0) { return BCME_ERROR; } wl_cfg80211_bss_up(cfg, dev, bssidx, 1); } } } else { WL_ERR(("No WPSIE in beacon \n")); } return 0; } static s32 #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) wl_cfg80211_del_station( struct wiphy *wiphy, struct net_device *ndev, struct station_del_parameters *params) #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) wl_cfg80211_del_station( struct wiphy *wiphy, struct net_device *ndev, const u8* mac_addr) #else wl_cfg80211_del_station( struct wiphy *wiphy, struct net_device *ndev, u8* mac_addr) #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */ { struct net_device *dev; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); scb_val_t scb_val; s8 eabuf[ETHER_ADDR_STR_LEN]; int err; char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV * sizeof(struct ether_addr) + sizeof(uint)] = {0}; struct maclist *assoc_maclist = (struct maclist *)mac_buf; int num_associated = 0; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) const u8 *mac_addr = params->mac; #ifdef CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE u16 rc = params->reason_code; #endif /* CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE */ #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */ WL_DBG(("Entry\n")); if (mac_addr == NULL) { WL_DBG(("mac_addr is NULL ignore it\n")); return 0; } dev = ndev_to_wlc_ndev(ndev, cfg); if (p2p_is_on(cfg)) { /* Suspend P2P discovery search-listen to prevent it from changing the * channel. */ if ((wl_cfgp2p_discover_enable_search(cfg, false)) < 0) { WL_ERR(("Can not disable discovery mode\n")); return -EFAULT; } } err = wl_cfg80211_check_in4way(cfg, ndev, DONT_DELETE_GC_AFTER_WPS, WL_EXT_STATUS_DELETE_STA, (void *)mac_addr); if (err) { return 0; } assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV; err = wldev_ioctl_get(ndev, WLC_GET_ASSOCLIST, assoc_maclist, sizeof(mac_buf)); if (err < 0) WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err)); else num_associated = assoc_maclist->count; memcpy(scb_val.ea.octet, mac_addr, ETHER_ADDR_LEN); #ifdef CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) if (rc == DOT11_RC_8021X_AUTH_FAIL) { WL_ERR(("deauth will be sent at F/W\n")); scb_val.val = DOT11_RC_8021X_AUTH_FAIL; } else { #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */ #endif /* CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE */ #ifdef WL_WPS_SYNC if (wl_wps_session_update(ndev, WPS_STATE_DISCONNECT_CLIENT, mac_addr) == BCME_UNSUPPORTED) { /* Ignore disconnect command from upper layer */ WL_INFORM_MEM(("[WPS] Ignore client disconnect.\n")); } else #endif /* WL_WPS_SYNC */ { scb_val.val = DOT11_RC_DEAUTH_LEAVING; WL_MSG(dev->name, "Disconnect STA : " MACDBG " scb_val.val %d\n", MAC2STRDBG(bcm_ether_ntoa((const struct ether_addr *)mac_addr, eabuf)), scb_val.val); /* need to guarantee EAP-Failure send out before deauth */ dhd_wait_pend8021x(dev); err = wldev_ioctl_set(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val, sizeof(scb_val_t)); if (err < 0) { WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON err %d\n", err)); } } #ifdef CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) } #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */ #endif /* CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE */ if (num_associated > 0 && ETHER_ISBCAST(mac_addr)) wl_delay(400); return 0; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_change_station( struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params) #else static s32 wl_cfg80211_change_station( struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_parameters *params) #endif // endif { int err = BCME_OK; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = ndev_to_wlc_ndev(dev, cfg); WL_DBG(("SCB_AUTHORIZE mac_addr:"MACDBG" sta_flags_mask:0x%x " "sta_flags_set:0x%x iface:%s \n", MAC2STRDBG(mac), params->sta_flags_mask, params->sta_flags_set, ndev->name)); if ((wl_get_mode_by_netdev(cfg, dev) == WL_MODE_BSS) && !(wl_get_drv_status(cfg, CONNECTED, dev))) { /* Return error indicating not in connected state */ WL_ERR(("Ignore SCB_AUTHORIZE/DEAUTHORIZE in non connected state\n")); return -ENOTSUPP; } /* Processing only authorize/de-authorize flag for now */ if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) { WL_ERR(("WLC_SCB_AUTHORIZE sta_flags_mask not set \n")); return -ENOTSUPP; } if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))) { err = wldev_ioctl_set(ndev, WLC_SCB_DEAUTHORIZE, mac, ETH_ALEN); if (unlikely(err)) { WL_ERR(("WLC_SCB_DEAUTHORIZE error (%d)\n", err)); } else { WL_INFORM_MEM(("[%s] WLC_SCB_DEAUTHORIZE " MACDBG "\n", ndev->name, MAC2STRDBG(mac))); } return err; } err = wldev_ioctl_set(ndev, WLC_SCB_AUTHORIZE, mac, ETH_ALEN); if (unlikely(err)) { WL_ERR(("WLC_SCB_AUTHORIZE error (%d)\n", err)); } else { WL_INFORM_MEM(("[%s] WLC_SCB_AUTHORIZE " MACDBG "\n", ndev->name, MAC2STRDBG(mac))); #ifdef WL_WPS_SYNC wl_wps_session_update(ndev, WPS_STATE_AUTHORIZE, mac); #endif /* WL_WPS_SYNC */ } #ifdef DHD_LOSSLESS_ROAMING wl_del_roam_timeout(cfg); #endif // endif return err; } #endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */ static s32 wl_cfg80211_set_scb_timings( struct bcm_cfg80211 *cfg, struct net_device *dev) { int err; u32 ps_pretend; wl_scb_probe_t scb_probe; u32 ps_pretend_retries; bzero(&scb_probe, sizeof(wl_scb_probe_t)); scb_probe.scb_timeout = WL_SCB_TIMEOUT; scb_probe.scb_activity_time = WL_SCB_ACTIVITY_TIME; scb_probe.scb_max_probe = WL_SCB_MAX_PROBE; err = wldev_iovar_setbuf(dev, "scb_probe", (void *)&scb_probe, sizeof(wl_scb_probe_t), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("set 'scb_probe' failed, error = %d\n", err)); return err; } ps_pretend_retries = WL_PSPRETEND_RETRY_LIMIT; err = wldev_iovar_setint(dev, "pspretend_retry_limit", ps_pretend_retries); if (unlikely(err)) { if (err == BCME_UNSUPPORTED) { /* Ignore error if fw doesn't support the iovar */ WL_DBG(("set 'pspretend_retry_limit %d' failed, error = %d\n", ps_pretend_retries, err)); } else { WL_ERR(("set 'pspretend_retry_limit %d' failed, error = %d\n", ps_pretend_retries, err)); return err; } } ps_pretend = MAX(WL_SCB_MAX_PROBE / 2, WL_MIN_PSPRETEND_THRESHOLD); err = wldev_iovar_setint(dev, "pspretend_threshold", ps_pretend); if (unlikely(err)) { if (err == BCME_UNSUPPORTED) { /* Ignore error if fw doesn't support the iovar */ WL_DBG(("wl pspretend_threshold %d set error %d\n", ps_pretend, err)); } else { WL_ERR(("wl pspretend_threshold %d set error %d\n", ps_pretend, err)); return err; } } return 0; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS) static s32 wl_cfg80211_start_ap( struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ap_settings *info) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = BCME_OK; struct parsed_ies ies; s32 bssidx = 0; u32 dev_role = 0; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); WL_DBG(("Enter \n")); if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } if (p2p_is_on(cfg) && (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO)) { dev_role = NL80211_IFTYPE_P2P_GO; } else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) { dev_role = NL80211_IFTYPE_AP; dhd->op_mode |= DHD_FLAG_HOSTAP_MODE; err = dhd_ndo_enable(dhd, FALSE); WL_DBG(("Disabling NDO on Hostapd mode %d\n", err)); if (err) { WL_ERR(("Disabling NDO Failed %d\n", err)); } #ifdef WL_EXT_IAPSTA wl_ext_iapsta_update_iftype(dev, dhd_net2idx(dhd->info, dev), WL_IF_TYPE_AP); #endif /* WL_EXT_IAPSTA */ #ifdef PKT_FILTER_SUPPORT /* Disable packet filter */ if (dhd->early_suspended) { WL_ERR(("Disable pkt_filter\n")); dhd_enable_packet_filter(0, dhd); #ifdef APF dhd_dev_apf_disable_filter(dhd_linux_get_primary_netdev(dhd)); #endif /* APF */ } #endif /* PKT_FILTER_SUPPORT */ #ifdef ARP_OFFLOAD_SUPPORT /* IF SoftAP is enabled, disable arpoe */ if (dhd->op_mode & DHD_FLAG_STA_MODE) { dhd_arp_offload_set(dhd, 0); dhd_arp_offload_enable(dhd, FALSE); } #endif /* ARP_OFFLOAD_SUPPORT */ } else { /* only AP or GO role need to be handled here. */ err = -EINVAL; goto fail; } /* disable TDLS */ #ifdef WLTDLS if (bssidx == 0) { /* Disable TDLS for primary Iface. For virtual interface, * tdls disable will happen from interface create context */ wl_cfg80211_tdls_config(cfg, TDLS_STATE_AP_CREATE, false); } #endif /* WLTDLS */ if (!check_dev_role_integrity(cfg, dev_role)) { err = -EINVAL; goto fail; } #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) && !defined(WL_COMPAT_WIRELESS)) if ((err = wl_cfg80211_set_channel(wiphy, dev, dev->ieee80211_ptr->preset_chandef.chan, NL80211_CHAN_HT20) < 0)) { WL_ERR(("Set channel failed \n")); goto fail; } #endif /* ((LINUX_VERSION >= VERSION(3, 6, 0) && !WL_COMPAT_WIRELESS) */ if ((err = wl_cfg80211_bcn_set_params(info, dev, dev_role, bssidx)) < 0) { WL_ERR(("Beacon params set failed \n")); goto fail; } /* Parse IEs */ if ((err = wl_cfg80211_parse_ap_ies(dev, &info->beacon, &ies)) < 0) { WL_ERR(("Set IEs failed \n")); goto fail; } if ((err = wl_cfg80211_bcn_validate_sec(dev, &ies, dev_role, bssidx, info->privacy)) < 0) { WL_ERR(("Beacon set security failed \n")); goto fail; } if ((err = wl_cfg80211_bcn_bringup_ap(dev, &ies, dev_role, bssidx)) < 0) { WL_ERR(("Beacon bring up AP/GO failed \n")); goto fail; } /* Set GC/STA SCB expiry timings. */ if ((err = wl_cfg80211_set_scb_timings(cfg, dev))) { WL_ERR(("scb setting failed \n")); // goto fail; } wl_set_drv_status(cfg, CONNECTED, dev); WL_DBG(("** AP/GO Created **\n")); #ifdef WL_CFG80211_ACL /* Enfoce Admission Control. */ if ((err = wl_cfg80211_set_mac_acl(wiphy, dev, info->acl)) < 0) { WL_ERR(("Set ACL failed\n")); } #endif /* WL_CFG80211_ACL */ /* Set IEs to FW */ if ((err = wl_cfg80211_set_ies(dev, &info->beacon, bssidx)) < 0) WL_ERR(("Set IEs failed \n")); #ifdef WLDWDS if (dev->ieee80211_ptr->use_4addr) { if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx, VNDR_IE_ASSOCRSP_FLAG, (const u8 *)info->beacon.assocresp_ies, info->beacon.assocresp_ies_len)) < 0) { WL_ERR(("Set ASSOC RESP IE Failed\n")); } } #endif /* WLDWDS */ /* Enable Probe Req filter, WPS-AP certification 4.2.13 */ if ((dev_role == NL80211_IFTYPE_AP) && (ies.wps_ie != NULL)) { bool pbc = 0; wl_validate_wps_ie((const char *) ies.wps_ie, ies.wps_ie_len, &pbc); if (pbc) { WL_DBG(("set WLC_E_PROBREQ_MSG\n")); wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true); } } /* Configure hidden SSID */ if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) { if ((err = wldev_iovar_setint(dev, "closednet", 1)) < 0) WL_ERR(("failed to set hidden : %d\n", err)); WL_DBG(("hidden_ssid_enum_val: %d \n", info->hidden_ssid)); } #ifdef SUPPORT_AP_RADIO_PWRSAVE if (dev_role == NL80211_IFTYPE_AP) { if (!wl_set_ap_rps(dev, FALSE, dev->name)) { wl_cfg80211_init_ap_rps(cfg); } else { WL_ERR(("Set rpsnoa failed \n")); } } #endif /* SUPPORT_AP_RADIO_PWRSAVE */ fail: if (err) { WL_ERR(("ADD/SET beacon failed\n")); wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL); wl_cfg80211_stop_ap(wiphy, dev); if (dev_role == NL80211_IFTYPE_AP) { #ifdef WL_EXT_IAPSTA if (!wl_ext_iapsta_iftype_enabled(dev, WL_IF_TYPE_AP)) { #endif /* WL_EXT_IAPSTA */ dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE; #ifdef PKT_FILTER_SUPPORT /* Enable packet filter */ if (dhd->early_suspended) { WL_ERR(("Enable pkt_filter\n")); dhd_enable_packet_filter(1, dhd); #ifdef APF dhd_dev_apf_enable_filter(dhd_linux_get_primary_netdev(dhd)); #endif /* APF */ } #endif /* PKT_FILTER_SUPPORT */ #ifdef ARP_OFFLOAD_SUPPORT /* IF SoftAP is disabled, enable arpoe back for STA mode. */ if (dhd->op_mode & DHD_FLAG_STA_MODE) { dhd_arp_offload_set(dhd, dhd_arp_mode); dhd_arp_offload_enable(dhd, TRUE); } #endif /* ARP_OFFLOAD_SUPPORT */ #ifdef DISABLE_WL_FRAMEBURST_SOFTAP wl_cfg80211_set_frameburst(cfg, TRUE); #endif /* DISABLE_WL_FRAMEBURST_SOFTAP */ #ifdef WL_EXT_IAPSTA } #endif /* WL_EXT_IAPSTA */ } #ifdef WLTDLS if (bssidx == 0) { /* Since AP creation failed, re-enable TDLS */ wl_cfg80211_tdls_config(cfg, TDLS_STATE_AP_DELETE, false); } #endif /* WLTDLS */ } return err; } static s32 wl_cfg80211_stop_ap( struct wiphy *wiphy, struct net_device *dev) { int err = 0; u32 dev_role = 0; int ap = 0; s32 bssidx = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 is_rsdb_supported = BCME_ERROR; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); WL_DBG(("Enter \n")); if (wl_cfg80211_get_bus_state(cfg)) { /* since bus is down, iovar will fail. recovery path will bringup the bus. */ WL_ERR(("bus is not ready\n")); return BCME_OK; } is_rsdb_supported = DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_RSDB_MODE); if (is_rsdb_supported < 0) return (-ENODEV); wl_clr_drv_status(cfg, AP_CREATING, dev); wl_clr_drv_status(cfg, AP_CREATED, dev); cfg->ap_oper_channel = 0; if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) { dev_role = NL80211_IFTYPE_AP; WL_DBG(("stopping AP operation\n")); } else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) { dev_role = NL80211_IFTYPE_P2P_GO; WL_DBG(("stopping P2P GO operation\n")); } else { WL_ERR(("no AP/P2P GO interface is operational.\n")); return -EINVAL; } if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } if (!check_dev_role_integrity(cfg, dev_role)) { WL_ERR(("role integrity check failed \n")); err = -EINVAL; goto exit; } /* Free up resources */ wl_cfg80211_cleanup_if(dev); /* Clear AP/GO connected status */ wl_clr_drv_status(cfg, CONNECTED, dev); if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 0)) < 0) { WL_ERR(("bss down error %d\n", err)); } if (dev_role == NL80211_IFTYPE_AP) { #ifdef DISABLE_WL_FRAMEBURST_SOFTAP wl_cfg80211_set_frameburst(cfg, TRUE); #endif /* DISABLE_WL_FRAMEBURST_SOFTAP */ #ifdef PKT_FILTER_SUPPORT /* Enable packet filter */ if (dhd->early_suspended) { WL_ERR(("Enable pkt_filter\n")); dhd_enable_packet_filter(1, dhd); #ifdef APF dhd_dev_apf_enable_filter(dhd_linux_get_primary_netdev(dhd)); #endif /* APF */ } #endif /* PKT_FILTER_SUPPORT */ #ifdef ARP_OFFLOAD_SUPPORT /* IF SoftAP is disabled, enable arpoe back for STA mode. */ if (dhd->op_mode & DHD_FLAG_STA_MODE) { dhd_arp_offload_set(dhd, dhd_arp_mode); dhd_arp_offload_enable(dhd, TRUE); } #endif /* ARP_OFFLOAD_SUPPORT */ if (is_rsdb_supported == 0) { /* For non-rsdb chips, we use stand alone AP. Do wl down on stop AP */ err = wldev_ioctl_set(dev, WLC_UP, &ap, sizeof(s32)); if (unlikely(err)) { WL_ERR(("WLC_UP error (%d)\n", err)); err = -EINVAL; goto exit; } } #ifdef WL_DISABLE_HE_SOFTAP if (wl_cfg80211_set_he_mode(dev, cfg, bssidx, WL_IF_TYPE_AP, TRUE) != BCME_OK) { WL_ERR(("failed to set he features\n")); } #endif /* WL_DISABLE_HE_SOFTAP */ wl_cfg80211_clear_per_bss_ies(cfg, dev->ieee80211_ptr); #ifdef SUPPORT_AP_RADIO_PWRSAVE if (!wl_set_ap_rps(dev, FALSE, dev->name)) { wl_cfg80211_init_ap_rps(cfg); } else { WL_ERR(("Set rpsnoa failed \n")); } #endif /* SUPPORT_AP_RADIO_PWRSAVE */ } else { WL_DBG(("Stopping P2P GO \n")); DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE((dhd_pub_t *)(cfg->pub), DHD_EVENT_TIMEOUT_MS*3); DHD_OS_WAKE_LOCK_TIMEOUT((dhd_pub_t *)(cfg->pub)); } SUPP_LOG(("AP/GO Link down\n")); exit: if (err) { /* In case of failure, flush fw logs */ wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL); SUPP_LOG(("AP/GO Link down fail. err:%d\n", err)); } #ifdef WLTDLS if (bssidx == 0) { /* re-enable TDLS if the number of connected interfaces is less than 2 */ wl_cfg80211_tdls_config(cfg, TDLS_STATE_AP_DELETE, false); } #endif /* WLTDLS */ if (dev_role == NL80211_IFTYPE_AP) { #ifdef WL_EXT_IAPSTA if (!wl_ext_iapsta_iftype_enabled(dev, WL_IF_TYPE_AP)) { #endif /* WL_EXT_IAPSTA */ /* clear the AP mode */ dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE; #ifdef WL_EXT_IAPSTA } #endif /* WL_EXT_IAPSTA */ } return err; } static s32 wl_cfg80211_change_beacon( struct wiphy *wiphy, struct net_device *dev, struct cfg80211_beacon_data *info) { s32 err = BCME_OK; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct parsed_ies ies; u32 dev_role = 0; s32 bssidx = 0; bool pbc = 0; WL_DBG(("Enter \n")); if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) { dev_role = NL80211_IFTYPE_P2P_GO; } else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) { dev_role = NL80211_IFTYPE_AP; } else { err = -EINVAL; goto fail; } if (!check_dev_role_integrity(cfg, dev_role)) { err = -EINVAL; goto fail; } if ((dev_role == NL80211_IFTYPE_P2P_GO) && (cfg->p2p_wdev == NULL)) { WL_ERR(("P2P already down status!\n")); err = BCME_ERROR; goto fail; } /* Parse IEs */ if ((err = wl_cfg80211_parse_ap_ies(dev, info, &ies)) < 0) { WL_ERR(("Parse IEs failed \n")); goto fail; } /* Set IEs to FW */ if ((err = wl_cfg80211_set_ies(dev, info, bssidx)) < 0) { WL_ERR(("Set IEs failed \n")); goto fail; } if (dev_role == NL80211_IFTYPE_AP) { if (wl_cfg80211_hostapd_sec(dev, &ies, bssidx) < 0) { WL_ERR(("Hostapd update sec failed \n")); err = -EINVAL; goto fail; } /* Enable Probe Req filter, WPS-AP certification 4.2.13 */ if ((dev_role == NL80211_IFTYPE_AP) && (ies.wps_ie != NULL)) { wl_validate_wps_ie((const char *) ies.wps_ie, ies.wps_ie_len, &pbc); WL_DBG((" WPS AP, wps_ie is exists pbc=%d\n", pbc)); if (pbc) wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true); else wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, false); } } fail: if (err) { wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL); } return err; } #else static s32 wl_cfg80211_add_set_beacon(struct wiphy *wiphy, struct net_device *dev, struct beacon_parameters *info) { s32 err = BCME_OK; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 ie_offset = 0; s32 bssidx = 0; u32 dev_role = NL80211_IFTYPE_AP; struct parsed_ies ies; bcm_tlv_t *ssid_ie; bool pbc = 0; bool privacy; bool is_bss_up = 0; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); WL_DBG(("interval (%d) dtim_period (%d) head_len (%d) tail_len (%d)\n", info->interval, info->dtim_period, info->head_len, info->tail_len)); if (dev == bcmcfg_to_prmry_ndev(cfg)) { dev_role = NL80211_IFTYPE_AP; } #if defined(WL_ENABLE_P2P_IF) else if (dev == cfg->p2p_net) { /* Group Add request on p2p0 */ dev = bcmcfg_to_prmry_ndev(cfg); dev_role = NL80211_IFTYPE_P2P_GO; } #endif /* WL_ENABLE_P2P_IF */ if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) { dev_role = NL80211_IFTYPE_P2P_GO; } else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) { dhd->op_mode |= DHD_FLAG_HOSTAP_MODE; } if (!check_dev_role_integrity(cfg, dev_role)) { err = -ENODEV; goto fail; } if ((dev_role == NL80211_IFTYPE_P2P_GO) && (cfg->p2p_wdev == NULL)) { WL_ERR(("P2P already down status!\n")); err = BCME_ERROR; goto fail; } ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; /* find the SSID */ if ((ssid_ie = bcm_parse_tlvs((u8 *)&info->head[ie_offset], info->head_len - ie_offset, DOT11_MNG_SSID_ID)) != NULL) { if (dev_role == NL80211_IFTYPE_AP) { /* Store the hostapd SSID */ bzero(&cfg->hostapd_ssid.SSID[0], DOT11_MAX_SSID_LEN); cfg->hostapd_ssid.SSID_len = MIN(ssid_ie->len, DOT11_MAX_SSID_LEN); memcpy(&cfg->hostapd_ssid.SSID[0], ssid_ie->data, cfg->hostapd_ssid.SSID_len); } else { /* P2P GO */ bzero(&cfg->p2p->ssid.SSID[0], DOT11_MAX_SSID_LEN); cfg->p2p->ssid.SSID_len = MIN(ssid_ie->len, DOT11_MAX_SSID_LEN); memcpy(cfg->p2p->ssid.SSID, ssid_ie->data, cfg->p2p->ssid.SSID_len); } } if (wl_cfg80211_parse_ies((u8 *)info->tail, info->tail_len, &ies) < 0) { WL_ERR(("Beacon get IEs failed \n")); err = -EINVAL; goto fail; } if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx, VNDR_IE_BEACON_FLAG, (u8 *)info->tail, info->tail_len)) < 0) { WL_ERR(("Beacon set IEs failed \n")); goto fail; } else { WL_DBG(("Applied Vndr IEs for Beacon \n")); } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx, VNDR_IE_PRBRSP_FLAG, (u8 *)info->proberesp_ies, info->proberesp_ies_len)) < 0) { WL_ERR(("ProbeRsp set IEs failed \n")); goto fail; } else { WL_DBG(("Applied Vndr IEs for ProbeRsp \n")); } #endif // endif is_bss_up = wl_cfg80211_bss_isup(dev, bssidx); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) privacy = info->privacy; #else privacy = 0; #endif // endif if (!is_bss_up && (wl_cfg80211_bcn_validate_sec(dev, &ies, dev_role, bssidx, privacy) < 0)) { WL_ERR(("Beacon set security failed \n")); err = -EINVAL; goto fail; } /* Set BI and DTIM period */ if (info->interval) { if ((err = wldev_ioctl_set(dev, WLC_SET_BCNPRD, &info->interval, sizeof(s32))) < 0) { WL_ERR(("Beacon Interval Set Error, %d\n", err)); return err; } } if (info->dtim_period) { if ((err = wldev_ioctl_set(dev, WLC_SET_DTIMPRD, &info->dtim_period, sizeof(s32))) < 0) { WL_ERR(("DTIM Interval Set Error, %d\n", err)); return err; } } /* If bss is already up, skip bring up */ if (!is_bss_up && (err = wl_cfg80211_bcn_bringup_ap(dev, &ies, dev_role, bssidx)) < 0) { WL_ERR(("Beacon bring up AP/GO failed \n")); goto fail; } /* Set GC/STA SCB expiry timings. */ if ((err = wl_cfg80211_set_scb_timings(cfg, dev))) { WL_ERR(("scb setting failed \n")); if (err == BCME_UNSUPPORTED) err = 0; // goto fail; } if (wl_get_drv_status(cfg, AP_CREATED, dev)) { /* Soft AP already running. Update changed params */ if (wl_cfg80211_hostapd_sec(dev, &ies, bssidx) < 0) { WL_ERR(("Hostapd update sec failed \n")); err = -EINVAL; goto fail; } } /* Enable Probe Req filter */ if (((dev_role == NL80211_IFTYPE_P2P_GO) || (dev_role == NL80211_IFTYPE_AP)) && (ies.wps_ie != NULL)) { wl_validate_wps_ie((char *) ies.wps_ie, ies.wps_ie_len, &pbc); if (pbc) wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true); } WL_DBG(("** ADD/SET beacon done **\n")); wl_set_drv_status(cfg, CONNECTED, dev); fail: if (err) { WL_ERR(("ADD/SET beacon failed\n")); if (dev_role == NL80211_IFTYPE_AP) { #ifdef WL_EXT_IAPSTA if (!wl_ext_iapsta_iftype_enabled(dev, WL_IF_TYPE_AP)) { #endif /* WL_EXT_IAPSTA */ /* clear the AP mode */ dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE; #ifdef WL_EXT_IAPSTA } #endif /* WL_EXT_IAPSTA */ } } return err; } static s32 wl_cfg80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) { int err = 0; s32 bssidx = 0; int infra = 0; struct wireless_dev *wdev = dev->ieee80211_ptr; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); WL_DBG(("Enter. \n")); if (!wdev) { WL_ERR(("wdev null \n")); return -EINVAL; } if ((wdev->iftype != NL80211_IFTYPE_P2P_GO) && (wdev->iftype != NL80211_IFTYPE_AP)) { WL_ERR(("Unspported iface type iftype:%d \n", wdev->iftype)); } wl_clr_drv_status(cfg, AP_CREATING, dev); wl_clr_drv_status(cfg, AP_CREATED, dev); /* Clear AP/GO connected status */ wl_clr_drv_status(cfg, CONNECTED, dev); cfg->ap_oper_channel = 0; if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr)); return BCME_ERROR; } /* Do bss down */ if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 0)) < 0) { WL_ERR(("bss down error %d\n", err)); } /* fall through is intentional */ err = wldev_ioctl_set(dev, WLC_SET_INFRA, &infra, sizeof(s32)); if (err < 0) { WL_ERR(("SET INFRA error %d\n", err)); } wl_cfg80211_clear_per_bss_ies(cfg, dev->ieee80211_ptr); if (wdev->iftype == NL80211_IFTYPE_AP) { #ifdef WL_EXT_IAPSTA if (!wl_ext_iapsta_iftype_enabled(dev, WL_IF_TYPE_AP)) { #endif /* WL_EXT_IAPSTA */ /* clear the AP mode */ dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE; #ifdef WL_EXT_IAPSTA } #endif /* WL_EXT_IAPSTA */ } return 0; } #endif /* LINUX_VERSION < VERSION(3,4,0) || WL_COMPAT_WIRELESS */ #ifdef WL_SUPPORT_ACS /* * Currently the dump_obss IOVAR is returning string as output so we need to * parse the output buffer in an unoptimized way. Going forward if we get the * IOVAR output in binary format this method can be optimized */ static int wl_parse_dump_obss(char *buf, struct wl_dump_survey *survey) { int i; char *token; char delim[] = " \n"; token = strsep(&buf, delim); while (token != NULL) { if (!strcmp(token, "OBSS")) { for (i = 0; i < OBSS_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->obss = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "IBSS")) { for (i = 0; i < IBSS_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->ibss = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "TXDur")) { for (i = 0; i < TX_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->tx = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "Category")) { for (i = 0; i < CTG_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->no_ctg = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "Packet")) { for (i = 0; i < PKT_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->no_pckt = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "Opp(time):")) { for (i = 0; i < IDLE_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->idle = simple_strtoul(token, NULL, 10); } token = strsep(&buf, delim); } return 0; } static int wl_dump_obss(struct net_device *ndev, cca_msrmnt_query req, struct wl_dump_survey *survey) { cca_stats_n_flags *results; char *buf; int retry, err; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); buf = (char *)MALLOCZ(cfg->osh, sizeof(char) * WLC_IOCTL_MAXLEN); if (unlikely(!buf)) { WL_ERR(("%s: buf alloc failed\n", __func__)); return -ENOMEM; } retry = IOCTL_RETRY_COUNT; while (retry--) { err = wldev_iovar_getbuf(ndev, "dump_obss", &req, sizeof(req), buf, WLC_IOCTL_MAXLEN, NULL); if (err >= 0) { break; } WL_DBG(("attempt = %d, err = %d, \n", (IOCTL_RETRY_COUNT - retry), err)); } if (retry <= 0) { WL_ERR(("failure, dump_obss IOVAR failed\n")); err = -EINVAL; goto exit; } results = (cca_stats_n_flags *)(buf); wl_parse_dump_obss(results->buf, survey); MFREE(cfg->osh, buf, sizeof(char) * WLC_IOCTL_MAXLEN); return 0; exit: MFREE(cfg->osh, buf, sizeof(char) * WLC_IOCTL_MAXLEN); return err; } static int wl_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *ndev, int idx, struct survey_info *info) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wl_dump_survey *survey; struct ieee80211_supported_band *band; struct ieee80211_channel*chan; cca_msrmnt_query req; int val, err, noise, retry; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); if (!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) { return -ENOENT; } band = wiphy->bands[IEEE80211_BAND_2GHZ]; if (band && idx >= band->n_channels) { idx -= band->n_channels; band = NULL; } if (!band || idx >= band->n_channels) { /* Move to 5G band */ band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (idx >= band->n_channels) { return -ENOENT; } } chan = &band->channels[idx]; /* Setting current channel to the requested channel */ if ((err = wl_cfg80211_set_channel(wiphy, ndev, chan, NL80211_CHAN_HT20) < 0)) { WL_ERR(("Set channel failed \n")); } if (!idx) { /* Set interface up, explicitly. */ val = 1; err = wldev_ioctl_set(ndev, WLC_UP, (void *)&val, sizeof(val)); if (err < 0) { WL_ERR(("set interface up failed, error = %d\n", err)); } } /* Get noise value */ retry = IOCTL_RETRY_COUNT; while (retry--) { noise = 0; err = wldev_ioctl_get(ndev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)); if (err >= 0) { break; } WL_DBG(("attempt = %d, err = %d, \n", (IOCTL_RETRY_COUNT - retry), err)); } if (retry <= 0) { WL_ERR(("Get Phy Noise failed, error = %d\n", err)); noise = CHAN_NOISE_DUMMY; } survey = (struct wl_dump_survey *)MALLOCZ(cfg->osh, sizeof(struct wl_dump_survey)); if (unlikely(!survey)) { WL_ERR(("%s: alloc failed\n", __func__)); return -ENOMEM; } /* Start Measurement for obss stats on current channel */ req.msrmnt_query = 0; req.time_req = ACS_MSRMNT_DELAY; if ((err = wl_dump_obss(ndev, req, survey)) < 0) { goto exit; } /* * Wait for the meaurement to complete, adding a buffer value of 10 to take * into consideration any delay in IOVAR completion */ msleep(ACS_MSRMNT_DELAY + 10); /* Issue IOVAR to collect measurement results */ req.msrmnt_query = 1; if ((err = wl_dump_obss(ndev, req, survey)) < 0) { goto exit; } info->channel = chan; info->noise = noise; info->channel_time = ACS_MSRMNT_DELAY; info->channel_time_busy = ACS_MSRMNT_DELAY - survey->idle; info->channel_time_rx = survey->obss + survey->ibss + survey->no_ctg + survey->no_pckt; info->channel_time_tx = survey->tx; info->filled = SURVEY_INFO_NOISE_DBM |SURVEY_INFO_CHANNEL_TIME | SURVEY_INFO_CHANNEL_TIME_BUSY | SURVEY_INFO_CHANNEL_TIME_RX | SURVEY_INFO_CHANNEL_TIME_TX; MFREE(cfg->osh, survey, sizeof(struct wl_dump_survey)); return 0; exit: MFREE(cfg->osh, survey, sizeof(struct wl_dump_survey)); return err; } #endif /* WL_SUPPORT_ACS */ static struct cfg80211_ops wl_cfg80211_ops = { .add_virtual_intf = wl_cfg80211_add_virtual_iface, .del_virtual_intf = wl_cfg80211_del_virtual_iface, .change_virtual_intf = wl_cfg80211_change_virtual_iface, #if defined(WL_CFG80211_P2P_DEV_IF) .start_p2p_device = wl_cfgp2p_start_p2p_device, .stop_p2p_device = wl_cfgp2p_stop_p2p_device, #endif /* WL_CFG80211_P2P_DEV_IF */ .scan = wl_cfg80211_scan, #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)) .abort_scan = wl_cfg80211_abort_scan, #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)) */ .set_wiphy_params = wl_cfg80211_set_wiphy_params, .join_ibss = wl_cfg80211_join_ibss, .leave_ibss = wl_cfg80211_leave_ibss, .get_station = wl_cfg80211_get_station, .set_tx_power = wl_cfg80211_set_tx_power, .get_tx_power = wl_cfg80211_get_tx_power, .add_key = wl_cfg80211_add_key, .del_key = wl_cfg80211_del_key, .get_key = wl_cfg80211_get_key, .set_default_key = wl_cfg80211_config_default_key, .set_default_mgmt_key = wl_cfg80211_config_default_mgmt_key, .set_power_mgmt = wl_cfg80211_set_power_mgmt, .connect = wl_cfg80211_connect, .disconnect = wl_cfg80211_disconnect, .suspend = wl_cfg80211_suspend, .resume = wl_cfg80211_resume, .set_pmksa = wl_cfg80211_set_pmksa, .del_pmksa = wl_cfg80211_del_pmksa, .flush_pmksa = wl_cfg80211_flush_pmksa, .remain_on_channel = wl_cfg80211_remain_on_channel, .cancel_remain_on_channel = wl_cfg80211_cancel_remain_on_channel, .mgmt_tx = wl_cfg80211_mgmt_tx, .mgmt_frame_register = wl_cfg80211_mgmt_frame_register, .change_bss = wl_cfg80211_change_bss, #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) || defined(WL_COMPAT_WIRELESS) .set_channel = wl_cfg80211_set_channel, #endif /* ((LINUX_VERSION < VERSION(3, 6, 0)) || WL_COMPAT_WIRELESS */ #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) && !defined(WL_COMPAT_WIRELESS) .set_beacon = wl_cfg80211_add_set_beacon, .add_beacon = wl_cfg80211_add_set_beacon, .del_beacon = wl_cfg80211_del_beacon, #else .change_beacon = wl_cfg80211_change_beacon, .start_ap = wl_cfg80211_start_ap, .stop_ap = wl_cfg80211_stop_ap, #endif /* LINUX_VERSION < KERNEL_VERSION(3,4,0) && !WL_COMPAT_WIRELESS */ #ifdef WL_SCHED_SCAN .sched_scan_start = wl_cfg80211_sched_scan_start, .sched_scan_stop = wl_cfg80211_sched_scan_stop, #endif /* WL_SCHED_SCAN */ #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) .del_station = wl_cfg80211_del_station, .change_station = wl_cfg80211_change_station, .mgmt_tx_cancel_wait = wl_cfg80211_mgmt_tx_cancel_wait, #endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VERSION >= (3,2,0) */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS) .tdls_mgmt = wl_cfg80211_tdls_mgmt, .tdls_oper = wl_cfg80211_tdls_oper, #endif /* LINUX_VERSION > VERSION(3, 2, 0) || WL_COMPAT_WIRELESS */ #ifdef WL_SUPPORT_ACS .dump_survey = wl_cfg80211_dump_survey, #endif /* WL_SUPPORT_ACS */ #ifdef WL_CFG80211_ACL .set_mac_acl = wl_cfg80211_set_mac_acl, #endif /* WL_CFG80211_ACL */ #ifdef GTK_OFFLOAD_SUPPORT #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0)) .set_rekey_data = wl_cfg80211_set_rekey_data, #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) */ #endif /* GTK_OFFLOAD_SUPPORT */ #if defined(WL_FILS) /* This should be enabled from kernel version which supports this */ .update_connect_params = wl_cfg80211_update_connect_params, #endif /* WL_FILS */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)) .set_pmk = wl_cfg80211_set_pmk, .del_pmk = wl_cfg80211_del_pmk, #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) .channel_switch = wl_cfg80211_channel_switch, #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) */ #ifdef WL_CLIENT_SAE .external_auth = wl_cfg80211_external_auth, #endif /* WL_CLIENT_SAE */ }; s32 wl_mode_to_nl80211_iftype(s32 mode) { s32 err = 0; switch (mode) { case WL_MODE_BSS: return NL80211_IFTYPE_STATION; case WL_MODE_IBSS: return NL80211_IFTYPE_ADHOC; case WL_MODE_AP: return NL80211_IFTYPE_AP; #ifdef WLMESH_CFG80211 case WL_MODE_MESH: return NL80211_IFTYPE_MESH_POINT; #endif /* WLMESH_CFG80211 */ default: return NL80211_IFTYPE_UNSPECIFIED; } return err; } s32 wl_cfg80211_set_country_code(struct net_device *net, char *country_code, bool notify, bool user_enforced, int revinfo) { s32 ret = BCME_OK; #ifdef WL_NAN struct wireless_dev *wdev = ndev_to_wdev(net); struct wiphy *wiphy = wdev->wiphy; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); if (cfg->nan_enable) { mutex_lock(&cfg->if_sync); cfg->nancfg.disable_reason = NAN_COUNTRY_CODE_CHANGE; ret = wl_cfgnan_disable(cfg); mutex_unlock(&cfg->if_sync); if (ret != BCME_OK) { WL_ERR(("failed to disable nan, error[%d]\n", ret)); return ret; } } #endif /* WL_NAN */ ret = wldev_set_country(net, country_code, notify, user_enforced, revinfo); if (ret < 0) { WL_ERR(("set country Failed :%d\n", ret)); } return ret; } #ifdef CONFIG_CFG80211_INTERNAL_REGDB #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) #define WL_CFG80211_REG_NOTIFIER() static int wl_cfg80211_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) #else #define WL_CFG80211_REG_NOTIFIER() static void wl_cfg80211_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) #endif /* kernel version < 3.9.0 */ #endif #ifdef CONFIG_CFG80211_INTERNAL_REGDB WL_CFG80211_REG_NOTIFIER() { struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)wiphy_priv(wiphy); int ret = 0; int revinfo = -1; if (!request || !cfg) { WL_ERR(("Invalid arg\n")); #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 11)) return -EINVAL; #else return; #endif /* kernel version < 3.10.11 */ } WL_DBG(("ccode: %c%c Initiator: %d\n", request->alpha2[0], request->alpha2[1], request->initiator)); /* We support only REGDOM_SET_BY_USER as of now */ if ((request->initiator != NL80211_REGDOM_SET_BY_USER) && (request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE)) { WL_ERR(("reg_notifier for intiator:%d not supported : set default\n", request->initiator)); /* in case of no supported country by regdb lets driver setup platform default Locale */ } WL_ERR(("Set country code %c%c from %s\n", request->alpha2[0], request->alpha2[1], ((request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) ? " 11d AP" : "User"))); if ((ret = wldev_set_country(bcmcfg_to_prmry_ndev(cfg), request->alpha2, false, (request->initiator == NL80211_REGDOM_SET_BY_USER ? true : false), revinfo)) < 0) { WL_ERR(("set country Failed :%d\n", ret)); } #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 11)) return ret; #else return; #endif /* kernel version < 3.10.11 */ } #endif /* CONFIG_CFG80211_INTERNAL_REGDB */ #ifdef CONFIG_PM #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) static const struct wiphy_wowlan_support brcm_wowlan_support = { .flags = WIPHY_WOWLAN_ANY, .n_patterns = WL_WOWLAN_MAX_PATTERNS, .pattern_min_len = WL_WOWLAN_MIN_PATTERN_LEN, .pattern_max_len = WL_WOWLAN_MAX_PATTERN_LEN, #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) .max_pkt_offset = WL_WOWLAN_MAX_PATTERN_LEN, #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */ }; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) */ #endif /* CONFIG_PM */ int wl_features_set(u8 *array, uint8 len, u32 ftidx) { u8* ft_byte; if ((ftidx / 8u) >= len) return BCME_BADARG; ft_byte = &array[ftidx / 8u]; *ft_byte |= BIT(ftidx % 8u); return BCME_OK; } static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *sdiofunc_dev, dhd_pub_t *context) { s32 err = 0; #ifdef CONFIG_PM #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) struct cfg80211_wowlan *brcm_wowlan_config = NULL; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */ #endif /* CONFIG_PM */ //#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) || defined(WL_COMPAT_WIRELESS)) dhd_pub_t *dhd = (dhd_pub_t *)context; BCM_REFERENCE(dhd); if (!dhd) { WL_ERR(("DHD is NULL!!")); err = -ENODEV; return err; } //#endif // endif wdev->wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct bcm_cfg80211)); if (unlikely(!wdev->wiphy)) { WL_ERR(("Couldn not allocate wiphy device\n")); err = -ENOMEM; return err; } set_wiphy_dev(wdev->wiphy, sdiofunc_dev); wdev->wiphy->max_scan_ie_len = WL_SCAN_IE_LEN_MAX; /* Report how many SSIDs Driver can support per Scan request */ wdev->wiphy->max_scan_ssids = WL_SCAN_PARAMS_SSID_MAX; wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; #ifdef WL_SCHED_SCAN wdev->wiphy->max_sched_scan_ssids = MAX_PFN_LIST_COUNT; wdev->wiphy->max_match_sets = MAX_PFN_LIST_COUNT; wdev->wiphy->max_sched_scan_ie_len = WL_SCAN_IE_LEN_MAX; #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0)) wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; #endif /* LINUX_VER < 4.12 */ #endif /* WL_SCHED_SCAN */ #ifdef WLMESH_CFG80211 wdev->wiphy->flags |= WIPHY_FLAG_MESH_AUTH; #endif /* WLMESH_CFG80211 */ wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) #if !defined(WL_ENABLE_P2P_IF) && !defined(WL_CFG80211_P2P_DEV_IF) | BIT(NL80211_IFTYPE_MONITOR) #endif // endif #if defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF) | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) #endif /* WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF */ #if defined(WL_CFG80211_P2P_DEV_IF) | BIT(NL80211_IFTYPE_P2P_DEVICE) #endif /* WL_CFG80211_P2P_DEV_IF */ #ifdef WLMESH_CFG80211 | BIT(NL80211_IFTYPE_MESH_POINT) #endif /* WLMESH_CFG80211 */ | BIT(NL80211_IFTYPE_AP); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \ (defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF)) WL_DBG(("Setting interface combinations for common mode\n")); wdev->wiphy->iface_combinations = common_iface_combinations; wdev->wiphy->n_iface_combinations = ARRAY_SIZE(common_iface_combinations); #endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */ wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; wdev->wiphy->cipher_suites = __wl_cipher_suites; wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); wdev->wiphy->max_remain_on_channel_duration = 5000; wdev->wiphy->mgmt_stypes = wl_cfg80211_default_mgmt_stypes; #ifndef WL_POWERSAVE_DISABLED wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; #else wdev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; #endif /* !WL_POWERSAVE_DISABLED */ wdev->wiphy->flags |= WIPHY_FLAG_NETNS_OK | WIPHY_FLAG_4ADDR_AP | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && !defined(WL_COMPAT_WIRELESS) WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS | #endif // endif WIPHY_FLAG_4ADDR_STATION; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) /* * If FW ROAM flag is advertised, upper layer doesn't provide the * bssid & freq in the connect command. However, kernel ver >= 3.15, * provides bssid_hint & freq_hint which can be used by the firmware. * fw_ap_select variable determines whether FW selects the AP or the * user space selects the target AP within the given ESS. */ wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || defined(WL_COMPAT_WIRELESS) wdev->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | WIPHY_FLAG_OFFCHAN_TX; #endif // endif #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 4, 0)) /* From 3.4 kernel ownards AP_SME flag can be advertised * to remove the patch from supplicant */ wdev->wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; #ifdef WL_CFG80211_ACL /* Configure ACL capabilities. */ wdev->wiphy->max_acl_mac_addrs = MAX_NUM_MAC_FILT; #endif // endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) || defined(WL_COMPAT_WIRELESS)) /* Supplicant distinguish between the SoftAP mode and other * modes (e.g. P2P, WPS, HS2.0) when it builds the probe * response frame from Supplicant MR1 and Kernel 3.4.0 or * later version. To add Vendor specific IE into the * probe response frame in case of SoftAP mode, * AP_PROBE_RESP_OFFLOAD flag is set to wiphy->flags variable. */ if (dhd_get_fw_mode(dhd->info) == DHD_FLAG_HOSTAP_MODE) { wdev->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; wdev->wiphy->probe_resp_offload = 0; } #endif // endif #endif /* WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS) wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; #endif // endif #if defined(CONFIG_PM) && defined(WL_CFG80211_P2P_DEV_IF) /* * From linux-3.10 kernel, wowlan packet filter is mandated to avoid the * disconnection of connected network before suspend. So a dummy wowlan * filter is configured for kernels linux-3.8 and above. */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) wdev->wiphy->wowlan = &brcm_wowlan_support; /* If this is not provided cfg stack will get disconnect * during suspend. * Note: wiphy->wowlan_config is freed by cfg80211 layer. * so use malloc instead of MALLOC(osh) to avoid false alarm. */ brcm_wowlan_config = kmalloc(sizeof(struct cfg80211_wowlan), GFP_KERNEL); if (brcm_wowlan_config) { brcm_wowlan_config->disconnect = true; brcm_wowlan_config->gtk_rekey_failure = true; brcm_wowlan_config->eap_identity_req = true; brcm_wowlan_config->four_way_handshake = true; brcm_wowlan_config->patterns = NULL; brcm_wowlan_config->n_patterns = 0; brcm_wowlan_config->tcp = NULL; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) brcm_wowlan_config->nd_config = NULL; #endif // endif } else { WL_ERR(("Can not allocate memory for brcm_wowlan_config," " So wiphy->wowlan_config is set to NULL\n")); } wdev->wiphy->wowlan_config = brcm_wowlan_config; #else wdev->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY; wdev->wiphy->wowlan.n_patterns = WL_WOWLAN_MAX_PATTERNS; wdev->wiphy->wowlan.pattern_min_len = WL_WOWLAN_MIN_PATTERN_LEN; wdev->wiphy->wowlan.pattern_max_len = WL_WOWLAN_MAX_PATTERN_LEN; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) wdev->wiphy->wowlan.max_pkt_offset = WL_WOWLAN_MAX_PATTERN_LEN; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */ #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */ #endif /* CONFIG_PM && WL_CFG80211_P2P_DEV_IF */ WL_DBG(("Registering custom regulatory)\n")); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) wdev->wiphy->regulatory_flags |= #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) REGULATORY_IGNORE_STALE_KICKOFF | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0) */ REGULATORY_CUSTOM_REG; #else wdev->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */ wiphy_apply_custom_regulatory(wdev->wiphy, &brcm_regdom); #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT) WL_INFORM_MEM(("Registering Vendor80211\n")); err = wl_cfgvendor_attach(wdev->wiphy, dhd); if (unlikely(err < 0)) { WL_ERR(("Couldn not attach vendor commands (%d)\n", err)); } #endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */ #ifdef WL_FILS wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_FILS_SK_OFFLOAD); #endif /* WL_FILS */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 17, 0)) wdev->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; wdev->wiphy->max_num_csa_counters = WL_MAX_NUM_CSA_COUNTERS; #endif /* LINUX_VERSION_CODE > KERNEL_VERSION(3, 12, 0) */ /* Now we can register wiphy with cfg80211 module */ err = wiphy_register(wdev->wiphy); if (unlikely(err < 0)) { WL_ERR(("Couldn not register wiphy device (%d)\n", err)); wiphy_free(wdev->wiphy); } #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && (LINUX_VERSION_CODE <= \ KERNEL_VERSION(3, 3, 0))) && defined(WL_IFACE_COMB_NUM_CHANNELS) wdev->wiphy->flags &= ~WIPHY_FLAG_ENFORCE_COMBINATIONS; #endif // endif #if defined(WL_SAE) || defined(WL_CLIENT_SAE) wdev->wiphy->features |= NL80211_FEATURE_SAE; #endif /* WL_SAE || WL_CLIENT_SAE */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)) && defined(BCMSUP_4WAY_HANDSHAKE) if (FW_SUPPORTED(dhd, idsup)) { err = wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK); if (err) { return err; } err = wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X); if (err) { return err; } } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0) && defined(BCMSUP_4WAY_HANDSHAKE) */ #ifdef WL_SCAN_TYPE /* These scan types will be mapped to default scan on non-supported chipset */ /* Advertise scan type capability. */ wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_LOW_SPAN_SCAN); wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_LOW_POWER_SCAN); wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN); wdev->wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN; #endif /* WL_SCAN_TYPE */ return err; } static void wl_free_wdev(struct bcm_cfg80211 *cfg) { struct wireless_dev *wdev = cfg->wdev; struct wiphy *wiphy = NULL; if (!wdev) { WL_ERR(("wdev is invalid\n")); return; } if (wdev->wiphy) { wiphy = wdev->wiphy; #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT) wl_cfgvendor_detach(wdev->wiphy); #endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */ #if defined(CONFIG_PM) && defined(WL_CFG80211_P2P_DEV_IF) #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) /* Reset wowlan & wowlan_config before Unregister to avoid Kernel Panic */ WL_DBG(("clear wowlan\n")); wdev->wiphy->wowlan = NULL; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */ #endif /* CONFIG_PM && WL_CFG80211_P2P_DEV_IF */ wiphy_unregister(wdev->wiphy); wdev->wiphy->dev.parent = NULL; wdev->wiphy = NULL; } wl_delete_all_netinfo(cfg); if (wiphy) { if (wdev->netdev) wdev->netdev->ieee80211_ptr = NULL; wdev->netdev = NULL; MFREE(cfg->osh, wdev, sizeof(*wdev)); cfg->wdev = NULL; wiphy_free(wiphy); } /* PLEASE do NOT call any function after wiphy_free, the driver's private structure "cfg", * which is the private part of wiphy, has been freed in wiphy_free !!!!!!!!!!! */ } #if defined(BSSCACHE) || defined(RSSIAVG) void wl_cfg80211_update_bss_cache(struct bcm_cfg80211 *cfg) { #if defined(RSSIAVG) int rssi; #endif struct wl_scan_results *bss_list = cfg->bss_list; /* Free cache in p2p scanning*/ if (p2p_is_on(cfg) && p2p_scan(cfg)) { #if defined(RSSIAVG) wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl); #endif #if defined(BSSCACHE) wl_free_bss_cache(&cfg->g_bss_cache_ctrl); #endif } /* Delete disconnected cache */ #if defined(BSSCACHE) wl_delete_disconnected_bss_cache(&cfg->g_bss_cache_ctrl, (u8*)&cfg->disconnected_bssid); #if defined(RSSIAVG) wl_delete_disconnected_rssi_cache(&cfg->g_rssi_cache_ctrl, (u8*)&cfg->disconnected_bssid); #endif if (cfg->p2p_disconnected == 0) memset(&cfg->disconnected_bssid, 0, ETHER_ADDR_LEN); #endif /* Update cache */ #if defined(RSSIAVG) wl_update_rssi_cache(&cfg->g_rssi_cache_ctrl, bss_list); if (!in_atomic()) wl_update_connected_rssi_cache(ndev, &cfg->g_rssi_cache_ctrl, &rssi); #endif #if defined(BSSCACHE) wl_update_bss_cache(&cfg->g_bss_cache_ctrl, #if defined(RSSIAVG) &cfg->g_rssi_cache_ctrl, #endif bss_list); #endif /* delete dirty cache */ #if defined(RSSIAVG) wl_delete_dirty_rssi_cache(&cfg->g_rssi_cache_ctrl); wl_reset_rssi_cache(&cfg->g_rssi_cache_ctrl); #endif #if defined(BSSCACHE) wl_delete_dirty_bss_cache(&cfg->g_bss_cache_ctrl); wl_reset_bss_cache(&cfg->g_bss_cache_ctrl); #endif } #endif #if defined(BSSCACHE) s32 wl_inform_bss_cache(struct bcm_cfg80211 *cfg) { struct wl_scan_results *bss_list = cfg->bss_list; wl_bss_info_t *bi = NULL; /* must be initialized */ s32 err = 0; s32 i; struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); #if defined(BSSCACHE) wl_bss_cache_t *node; #endif if (cfg->p2p_disconnected > 0) { // terence 20130703: Fix for wrong group_capab (timing issue) wl_delete_disconnected_bss_cache(&cfg->g_bss_cache_ctrl, (u8*)&cfg->disconnected_bssid); #if defined(RSSIAVG) wl_delete_disconnected_rssi_cache(&cfg->g_rssi_cache_ctrl, (u8*)&cfg->disconnected_bssid); #endif } WL_SCAN(("scanned AP count (%d)\n", bss_list->count)); node = cfg->g_bss_cache_ctrl.m_cache_head; for (i=0; node && iresults.bss_info; err = wl_inform_single_bss(cfg, bi, false); node = node->next; } if (cfg->autochannel) wl_ext_get_best_channel(ndev, &cfg->g_bss_cache_ctrl, ioctl_version, &cfg->best_2g_ch, &cfg->best_5g_ch); return err; } #endif s32 wl_inform_bss(struct bcm_cfg80211 *cfg) { #if !defined(BSSCACHE) struct wl_scan_results *bss_list; wl_bss_info_t *bi = NULL; /* must be initialized */ s32 i; struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); #endif s32 err = 0; #if defined(BSSCACHE) || defined(RSSIAVG) wl_cfg80211_update_bss_cache(cfg); #endif #if defined(BSSCACHE) err = wl_inform_bss_cache(cfg); #else bss_list = cfg->bss_list; WL_SCAN(("scanned AP count (%d)\n", bss_list->count)); #ifdef ESCAN_CHANNEL_CACHE reset_roam_cache(cfg); #endif /* ESCAN_CHANNEL_CACHE */ preempt_disable(); bi = next_bss(bss_list, bi); for_each_bss(bss_list, bi, i) { if (cfg->p2p_disconnected > 0 && !memcmp(&bi->BSSID, &cfg->disconnected_bssid, ETHER_ADDR_LEN)) { WL_SCAN(("Skip %pM\n", &bi->BSSID)); continue; } #ifdef ESCAN_CHANNEL_CACHE add_roam_cache(cfg, bi); #endif /* ESCAN_CHANNEL_CACHE */ err = wl_inform_single_bss(cfg, bi, false); if (unlikely(err)) { WL_ERR(("bss inform failed\n")); } } preempt_enable(); if (cfg->autochannel) wl_ext_get_best_channel(ndev, bss_list, ioctl_version, &cfg->best_2g_ch, &cfg->best_5g_ch); #endif if (cfg->p2p_disconnected > 0) { // terence 20130703: Fix for wrong group_capab (timing issue) cfg->p2p_disconnected++; if (cfg->p2p_disconnected >= 2) { cfg->p2p_disconnected = 0; memset(&cfg->disconnected_bssid, 0, ETHER_ADDR_LEN); } } WL_MEM(("cfg80211 scan cache updated\n")); #ifdef ROAM_CHANNEL_CACHE /* print_roam_cache(); */ update_roam_cache(cfg, ioctl_version); #endif /* ROAM_CHANNEL_CACHE */ return err; } static s32 wl_inform_single_bss(struct bcm_cfg80211 *cfg, wl_bss_info_t *bi, bool update_ssid) { struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct ieee80211_mgmt *mgmt; struct ieee80211_channel *channel; struct ieee80211_supported_band *band; struct wl_cfg80211_bss_info *notif_bss_info; struct wl_scan_req *sr = wl_to_sr(cfg); struct beacon_proberesp *beacon_proberesp; struct cfg80211_bss *cbss = NULL; dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); log_conn_event_t *event_data = NULL; tlv_log *tlv_data = NULL; u32 alloc_len, tlv_len; u32 payload_len; s32 mgmt_type; s32 signal; u32 freq; s32 err = 0; gfp_t aflags; u8 tmp_buf[IEEE80211_MAX_SSID_LEN + 1]; chanspec_t chanspec; if (unlikely(dtoh32(bi->length) > WL_BSS_INFO_MAX)) { WL_DBG(("Beacon is larger than buffer. Discarding\n")); return err; } if (bi->SSID_len > IEEE80211_MAX_SSID_LEN) { WL_ERR(("wrong SSID len:%d\n", bi->SSID_len)); return -EINVAL; } aflags = (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL; notif_bss_info = (struct wl_cfg80211_bss_info *)MALLOCZ(cfg->osh, sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX); if (unlikely(!notif_bss_info)) { WL_ERR(("notif_bss_info alloc failed\n")); return -ENOMEM; } mgmt = (struct ieee80211_mgmt *)notif_bss_info->frame_buf; chanspec = wl_chspec_driver_to_host(bi->chanspec); notif_bss_info->channel = wf_chspec_ctlchan(chanspec); if (notif_bss_info->channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band\n")); MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX); return -EINVAL; } notif_bss_info->rssi = dtoh16(bi->RSSI); #if defined(RSSIAVG) notif_bss_info->rssi = wl_get_avg_rssi(&cfg->g_rssi_cache_ctrl, &bi->BSSID); if (notif_bss_info->rssi == RSSI_MINVAL) notif_bss_info->rssi = MIN(dtoh16(bi->RSSI), RSSI_MAXVAL); #endif #if defined(RSSIOFFSET) notif_bss_info->rssi = wl_update_rssi_offset(bcmcfg_to_prmry_ndev(cfg), notif_bss_info->rssi); #endif #if !defined(RSSIAVG) && !defined(RSSIOFFSET) // terence 20150419: limit the max. rssi to -2 or the bss will be filtered out in android OS notif_bss_info->rssi = MIN(notif_bss_info->rssi, RSSI_MAXVAL); #endif memcpy(mgmt->bssid, &bi->BSSID, ETHER_ADDR_LEN); mgmt_type = cfg->active_scan ? IEEE80211_STYPE_PROBE_RESP : IEEE80211_STYPE_BEACON; if (!memcmp(bi->SSID, sr->ssid.SSID, bi->SSID_len)) { mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | mgmt_type); } beacon_proberesp = cfg->active_scan ? (struct beacon_proberesp *)&mgmt->u.probe_resp : (struct beacon_proberesp *)&mgmt->u.beacon; beacon_proberesp->timestamp = 0; beacon_proberesp->beacon_int = cpu_to_le16(bi->beacon_period); beacon_proberesp->capab_info = cpu_to_le16(bi->capability); wl_rst_ie(cfg); wl_update_hidden_ap_ie(bi, ((u8 *) bi) + bi->ie_offset, &bi->ie_length, update_ssid); wl_mrg_ie(cfg, ((u8 *) bi) + bi->ie_offset, bi->ie_length); wl_cp_ie(cfg, beacon_proberesp->variable, WL_BSS_INFO_MAX - offsetof(struct wl_cfg80211_bss_info, frame_buf)); notif_bss_info->frame_len = offsetof(struct ieee80211_mgmt, u.beacon.variable) + wl_get_ielen(cfg); #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(notif_bss_info->channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(notif_bss_info->channel, band->band); #endif // endif if (freq == 0) { WL_ERR(("Invalid channel, fail to change channel to freq\n")); MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX); return -EINVAL; } channel = ieee80211_get_channel(wiphy, freq); memcpy(tmp_buf, bi->SSID, bi->SSID_len); tmp_buf[bi->SSID_len] = '\0'; WL_SCAN(("BSSID %pM, channel %3d(%3d %sMHz), rssi %3d, capa 0x04%x, mgmt_type %d, " "frame_len %d, SSID \"%s\"\n", &bi->BSSID, notif_bss_info->channel, CHSPEC_CHANNEL(chanspec), CHSPEC_IS20(chanspec)?"20": CHSPEC_IS40(chanspec)?"40": CHSPEC_IS80(chanspec)?"80":"160", notif_bss_info->rssi, mgmt->u.beacon.capab_info, mgmt_type, notif_bss_info->frame_len, tmp_buf)); if (unlikely(!channel)) { WL_ERR(("ieee80211_get_channel error, freq=%d, channel=%d\n", freq, notif_bss_info->channel)); MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX); return -EINVAL; } signal = notif_bss_info->rssi * 100; if (!mgmt->u.probe_resp.timestamp) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) struct osl_timespec ts; osl_get_monotonic_boottime(&ts); mgmt->u.probe_resp.timestamp = ((u64)ts.tv_sec*1000000) + ts.tv_nsec / 1000; #else struct osl_timespec tv; osl_do_gettimeofday(&tv); mgmt->u.probe_resp.timestamp = ((u64)tv.tv_sec*1000000) + tv.tv_usec; #endif // endif } cbss = cfg80211_inform_bss_frame(wiphy, channel, mgmt, le16_to_cpu(notif_bss_info->frame_len), signal, aflags); if (unlikely(!cbss)) { WL_ERR(("cfg80211_inform_bss_frame error bssid " MACDBG " channel %d \n", MAC2STRDBG((u8*)(&bi->BSSID)), notif_bss_info->channel)); err = -EINVAL; goto out_err; } CFG80211_PUT_BSS(wiphy, cbss); if (DBG_RING_ACTIVE(dhdp, DHD_EVENT_RING_ID) && (cfg->sched_scan_req && !cfg->scan_request)) { alloc_len = sizeof(log_conn_event_t) + IEEE80211_MAX_SSID_LEN + sizeof(uint16) + sizeof(int16); event_data = (log_conn_event_t *)MALLOCZ(dhdp->osh, alloc_len); if (!event_data) { WL_ERR(("%s: failed to allocate the log_conn_event_t with " "length(%d)\n", __func__, alloc_len)); goto out_err; } tlv_len = 3 * sizeof(tlv_log); event_data->tlvs = (tlv_log *)MALLOCZ(cfg->osh, tlv_len); if (!event_data->tlvs) { WL_ERR(("%s: failed to allocate the log_conn_event_t with " "length(%d)\n", __func__, tlv_len)); goto free_evt_data; } payload_len = sizeof(log_conn_event_t); event_data->event = WIFI_EVENT_DRIVER_PNO_SCAN_RESULT_FOUND; tlv_data = event_data->tlvs; /* ssid */ tlv_data->tag = WIFI_TAG_SSID; tlv_data->len = bi->SSID_len; memcpy(tlv_data->value, bi->SSID, bi->SSID_len); payload_len += TLV_LOG_SIZE(tlv_data); tlv_data = TLV_LOG_NEXT(tlv_data); /* channel */ tlv_data->tag = WIFI_TAG_CHANNEL; tlv_data->len = sizeof(uint16); memcpy(tlv_data->value, ¬if_bss_info->channel, sizeof(uint16)); payload_len += TLV_LOG_SIZE(tlv_data); tlv_data = TLV_LOG_NEXT(tlv_data); /* rssi */ tlv_data->tag = WIFI_TAG_RSSI; tlv_data->len = sizeof(int16); memcpy(tlv_data->value, ¬if_bss_info->rssi, sizeof(int16)); payload_len += TLV_LOG_SIZE(tlv_data); tlv_data = TLV_LOG_NEXT(tlv_data); dhd_os_push_push_ring_data(dhdp, DHD_EVENT_RING_ID, event_data, payload_len); MFREE(dhdp->osh, event_data->tlvs, tlv_len); free_evt_data: MFREE(dhdp->osh, event_data, alloc_len); } out_err: MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX); return err; } static bool wl_is_linkup(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e, struct net_device *ndev) { u32 event = ntoh32(e->event_type); u32 status = ntoh32(e->status); u16 flags = ntoh16(e->flags); #if defined(CUSTOM_SET_ANTNPM) dhd_pub_t *dhd; dhd = (dhd_pub_t *)(cfg->pub); #endif // endif WL_DBG(("event %d, status %d flags %x\n", event, status, flags)); if (event == WLC_E_SET_SSID) { if (status == WLC_E_STATUS_SUCCESS) { #ifdef CUSTOM_SET_ANTNPM if (dhd->mimo_ant_set) { int err = 0; WL_ERR(("[WIFI_SEC] mimo_ant_set = %d\n", dhd->mimo_ant_set)); err = wldev_iovar_setint(ndev, "txchain", dhd->mimo_ant_set); if (err != 0) { WL_ERR(("[WIFI_SEC] Fail set txchain\n")); } err = wldev_iovar_setint(ndev, "rxchain", dhd->mimo_ant_set); if (err != 0) { WL_ERR(("[WIFI_SEC] Fail set rxchain\n")); } } #endif /* CUSTOM_SET_ANTNPM */ if (!wl_is_ibssmode(cfg, ndev)) return true; } } else if (event == WLC_E_LINK) { if (flags & WLC_EVENT_MSG_LINK) return true; } WL_DBG(("wl_is_linkup false\n")); return false; } static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e) { u32 event = ntoh32(e->event_type); u16 flags = ntoh16(e->flags); if (event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND || event == WLC_E_DISASSOC || event == WLC_E_DEAUTH) { WL_ERR(("Link down Reason : %s\n", bcmevent_get_name(event))); return true; } else if (event == WLC_E_LINK) { if (!(flags & WLC_EVENT_MSG_LINK)) { WL_ERR(("Link down Reason : %s\n", bcmevent_get_name(event))); return true; } } return false; } static bool wl_is_nonetwork(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e) { u32 event = ntoh32(e->event_type); u32 status = ntoh32(e->status); if (event == WLC_E_LINK && status == WLC_E_STATUS_NO_NETWORKS) return true; if (event == WLC_E_SET_SSID && status != WLC_E_STATUS_SUCCESS) return true; if (event == WLC_E_ASSOC_RESP_IE && status != WLC_E_STATUS_SUCCESS) return true; return false; } #ifdef WL_SAE static s32 wl_cfg80211_event_sae_key(struct bcm_cfg80211 *cfg, struct net_device *ndev, wl_sae_key_info_t *sae_key) { struct sk_buff *skb; gfp_t kflags; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); int err = BCME_OK; kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; #if (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || \ LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) skb = cfg80211_vendor_event_alloc(wiphy, ndev_to_wdev(ndev), BRCM_SAE_VENDOR_EVENT_BUF_LEN, BRCM_VENDOR_EVENT_SAE_KEY, kflags); #else skb = cfg80211_vendor_event_alloc(wiphy, BRCM_SAE_VENDOR_EVENT_BUF_LEN, BRCM_VENDOR_EVENT_SAE_KEY, kflags); #endif /* (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || */ /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) */ if (!skb) { WL_ERR(("skb alloc failed")); err = BCME_NOMEM; goto done; } WL_INFORM_MEM(("Received Sae Key event for "MACDBG" key length %x %x", MAC2STRDBG(sae_key->peer_mac), sae_key->pmk_len, sae_key->pmkid_len)); nla_put(skb, BRCM_SAE_KEY_ATTR_PEER_MAC, ETHER_ADDR_LEN, sae_key->peer_mac); nla_put(skb, BRCM_SAE_KEY_ATTR_PMK, sae_key->pmk_len, sae_key->pmk); nla_put(skb, BRCM_SAE_KEY_ATTR_PMKID, sae_key->pmkid_len, sae_key->pmkid); cfg80211_vendor_event(skb, kflags); done: return err; } static s32 wl_bss_handle_sae_auth(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *event, void *data) { int err = BCME_OK; uint status = ntoh32(event->status); wl_auth_event_t *auth_data; wl_sae_key_info_t sae_key; uint16 tlv_buf_len; if (status == WLC_E_STATUS_SUCCESS) { auth_data = (wl_auth_event_t *)data; if (auth_data->version != WL_AUTH_EVENT_DATA_V1) { WL_ERR(("unknown auth event data version %x\n", auth_data->version)); err = BCME_VERSION; goto done; } tlv_buf_len = auth_data->length - WL_AUTH_EVENT_FIXED_LEN_V1; /* check if PMK info present */ sae_key.pmk = bcm_get_data_from_xtlv_buf(auth_data->xtlvs, tlv_buf_len, WL_AUTH_PMK_TLV_ID, &(sae_key.pmk_len), BCM_XTLV_OPTION_ALIGN32); if (!sae_key.pmk || !sae_key.pmk_len) { WL_ERR(("Mandatory PMK info not present")); err = BCME_NOTFOUND; goto done; } /* check if PMKID info present */ sae_key.pmkid = bcm_get_data_from_xtlv_buf(auth_data->xtlvs, tlv_buf_len, WL_AUTH_PMKID_TLV_ID, &(sae_key.pmkid_len), BCM_XTLV_OPTION_ALIGN32); if (!sae_key.pmkid || !sae_key.pmkid_len) { WL_ERR(("Mandatory PMKID info not present\n")); err = BCME_NOTFOUND; goto done; } memcpy_s(sae_key.peer_mac, ETHER_ADDR_LEN, event->addr.octet, ETHER_ADDR_LEN); err = wl_cfg80211_event_sae_key(cfg, ndev, &sae_key); if (err) { WL_ERR(("Failed to event sae key info\n")); } } else { WL_ERR(("sae auth status failure:%d\n", status)); } done: return err; } #endif /* WL_SAE */ static s32 wl_get_auth_assoc_status(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { u32 reason = ntoh32(e->reason); u32 event = ntoh32(e->event_type); #ifdef WL_SAE uint auth_type = ntoh32(e->auth_type); #endif /* WL_SAE */ struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC); WL_DBG(("event type : %d, reason : %d\n", event, reason)); if (sec) { switch (event) { case WLC_E_ASSOC: case WLC_E_AUTH: case WLC_E_AUTH_IND: sec->auth_assoc_res_status = reason; #ifdef WL_SAE if ((event == WLC_E_AUTH || event == WLC_E_AUTH_IND) && auth_type == DOT11_SAE) { wl_bss_handle_sae_auth(cfg, ndev, e, data); } #endif /* WL_SAE */ break; default: break; } } else { WL_ERR(("sec is NULL\n")); } return 0; } #ifdef WL_CLIENT_SAE static s32 wl_notify_connect_status_ap_auth(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { bcm_struct_cfgdev *cfgdev = ndev_to_cfgdev(ndev); struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); u8 bsscfgidx = e->bsscfgidx; u8 *mgmt_frame = NULL; u8 *body = NULL; u32 body_len = 0; s32 chan; u16 channel; struct ieee80211_supported_band *band; chanspec_t chanspec; s32 freq; struct ether_addr da; struct ether_addr bssid; u32 event = ntoh32(e->event_type); u32 reason = ntoh32(e->reason); u32 len = ntoh32(e->datalen); s32 err = 0; if (!len) { WL_ERR(("event %s(%d) has no payload. status %d reason %d\n", bcmevent_get_name(event), event, ntoh32(e->status), reason)); return 0; } body = (u8 *)MALLOCZ(cfg->osh, len); if (body == NULL) { WL_ERR(("Failed to allocate body\n")); return WL_INVALID; } (void)memcpy_s(body, len, data, len); err = wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, bsscfgidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("Could not get cur_etheraddr %d\n", err)); goto exit; } (void)memcpy_s(da.octet, ETHER_ADDR_LEN, cfg->ioctl_buf, ETHER_ADDR_LEN); bzero(&bssid, sizeof(bssid)); err = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN); if (unlikely(err)) { WL_ERR(("Could not get bssid %d\n", err)); goto exit; } err = wldev_iovar_getint(ndev, "chanspec", &chan); if (unlikely(err)) { WL_ERR(("Could not get chanspec %d\n", err)); goto exit; } chanspec = wl_chspec_driver_to_host(chan); channel = wf_chspec_ctlchan(chanspec); if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band\n")); goto exit; } #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(channel); #else freq = ieee80211_channel_to_frequency(channel, band->band); #endif body_len = len; err = wl_frame_get_mgmt(cfg, FC_AUTH, &da, &e->addr, &bssid, &mgmt_frame, &len, body); if (!err) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif MFREE(cfg->osh, mgmt_frame, len); } exit: if (body) { MFREE(cfg->osh, body, body_len); } return err; } #endif /* WL_CLIENT_SAE */ /* The mainline kernel >= 3.2.0 has support for indicating new/del station * to AP/P2P GO via events. If this change is backported to kernel for which * this driver is being built, then define WL_CFG80211_STA_EVENT. You * should use this new/del sta event mechanism for BRCM supplicant >= 22. */ static s32 wl_notify_connect_status_ap(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { s32 err = 0; u32 event = ntoh32(e->event_type); u32 reason = ntoh32(e->reason); u32 len = ntoh32(e->datalen); u32 status = ntoh32(e->status); #if !defined(WL_CFG80211_STA_EVENT) && !defined(WL_COMPAT_WIRELESS) && \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) bool isfree = false; u8 *mgmt_frame; u8 bsscfgidx = e->bsscfgidx; s32 freq; s32 channel; u8 *body = NULL; u16 fc = 0; u32 body_len = 0; struct ieee80211_supported_band *band; struct ether_addr da; struct ether_addr bssid; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); channel_info_t ci; u8 ioctl_buf[WLC_IOCTL_SMLEN]; #else struct station_info sinfo; #endif /* (LINUX_VERSION < VERSION(3,2,0)) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ WL_INFORM_MEM(("[%s] Mode AP/GO. Event:%d status:%d reason:%d\n", ndev->name, event, ntoh32(e->status), reason)); if (event == WLC_E_AUTH_IND) { wl_get_auth_assoc_status(cfg, ndev, e, data); return 0; } /* if link down, bsscfg is disabled. */ if (event == WLC_E_LINK && reason == WLC_E_LINK_BSSCFG_DIS && wl_get_p2p_status(cfg, IF_DELETING) && (ndev != bcmcfg_to_prmry_ndev(cfg))) { wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false); WL_MSG(ndev->name, "AP mode link down !! \n"); complete(&cfg->iface_disable); return 0; } if ((event == WLC_E_LINK) && (status == WLC_E_STATUS_SUCCESS) && (reason == WLC_E_REASON_INITIAL_ASSOC) && (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP)) { if (!wl_get_drv_status(cfg, AP_CREATED, ndev)) { /* AP/GO brought up successfull in firmware */ WL_MSG(ndev->name, "AP/GO Link up\n"); wl_set_drv_status(cfg, AP_CREATED, ndev); OSL_SMP_WMB(); wake_up_interruptible(&cfg->netif_change_event); #ifdef WL_BCNRECV /* check fakeapscan is in progress, if progress then abort */ wl_android_bcnrecv_stop(ndev, WL_BCNRECV_CONCURRENCY); #endif /* WL_BCNRECV */ wl_cfg80211_check_in4way(cfg, ndev, 0, WL_EXT_STATUS_AP_ENABLED, NULL); return 0; } } if (event == WLC_E_DISASSOC_IND || event == WLC_E_DEAUTH_IND || event == WLC_E_DEAUTH) { WL_MSG_RLMT(ndev->name, &e->addr, ETHER_ADDR_LEN, "event %s(%d) status %d reason %d\n", bcmevent_get_name(event), event, ntoh32(e->status), reason); } #if !defined(WL_CFG80211_STA_EVENT) && !defined(WL_COMPAT_WIRELESS) && \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) WL_DBG(("Enter \n")); if (!len && (event == WLC_E_DEAUTH)) { len = 2; /* reason code field */ data = &reason; } if (len) { body = (u8 *)MALLOCZ(cfg->osh, len); if (body == NULL) { WL_ERR(("Failed to allocate body\n")); return WL_INVALID; } } bzero(&bssid, ETHER_ADDR_LEN); WL_DBG(("Enter event %d ndev %p\n", event, ndev)); if (wl_get_mode_by_netdev(cfg, ndev) == WL_INVALID) { MFREE(cfg->osh, body, len); return WL_INVALID; } if (len) memcpy(body, data, len); wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr", NULL, 0, ioctl_buf, sizeof(ioctl_buf), bsscfgidx, NULL); memcpy(da.octet, ioctl_buf, ETHER_ADDR_LEN); bzero(&bssid, sizeof(bssid)); err = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN); switch (event) { case WLC_E_ASSOC_IND: fc = FC_ASSOC_REQ; break; case WLC_E_REASSOC_IND: fc = FC_REASSOC_REQ; break; case WLC_E_DISASSOC_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH: fc = FC_DISASSOC; break; default: fc = 0; goto exit; } bzero(&ci, sizeof(ci)); if ((err = wldev_ioctl_get(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci)))) { MFREE(cfg->osh, body, len); return err; } channel = dtoh32(ci.hw_channel); if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band\n")); if (body) { MFREE(cfg->osh, body, len); } return -EINVAL; } #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(channel, band->band); #endif // endif body_len = len; err = wl_frame_get_mgmt(cfg, fc, &da, &e->addr, &bssid, &mgmt_frame, &len, body); if (err < 0) goto exit; isfree = true; if ((event == WLC_E_ASSOC_IND && reason == DOT11_SC_SUCCESS) || (event == WLC_E_DISASSOC_IND) || ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH))) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, 0, GFP_ATOMIC); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \ defined(WL_COMPAT_WIRELESS) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif /* LINUX_VERSION >= VERSION(3, 18,0) || WL_COMPAT_WIRELESS */ } exit: if (isfree) { MFREE(cfg->osh, mgmt_frame, len); } if (body) { MFREE(cfg->osh, body, body_len); } #else /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ memset(&sinfo, 0, sizeof(struct station_info)); sinfo.filled = 0; if (((event == WLC_E_ASSOC_IND) || (event == WLC_E_REASSOC_IND)) && reason == DOT11_SC_SUCCESS) { /* Linux ver >= 4.0 assoc_req_ies_len is used instead of * STATION_INFO_ASSOC_REQ_IES flag */ #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) sinfo.filled = STA_INFO_BIT(INFO_ASSOC_REQ_IES); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) */ if (!data) { WL_ERR(("No IEs present in ASSOC/REASSOC_IND")); return -EINVAL; } sinfo.assoc_req_ies = data; sinfo.assoc_req_ies_len = len; WL_MSG(ndev->name, "new sta event for "MACDBG "\n", MAC2STRDBG(e->addr.octet)); wl_cfg80211_check_in4way(cfg, ndev, DONT_DELETE_GC_AFTER_WPS, WL_EXT_STATUS_STA_CONNECTED, NULL); cfg80211_new_sta(ndev, e->addr.octet, &sinfo, GFP_ATOMIC); #ifdef WL_WPS_SYNC wl_wps_session_update(ndev, WPS_STATE_LINKUP, e->addr.octet); #endif /* WL_WPS_SYNC */ } else if ((event == WLC_E_DEAUTH_IND) || ((event == WLC_E_DEAUTH) && (reason != DOT11_RC_RESERVED)) || (event == WLC_E_DISASSOC_IND)) { WL_MSG_RLMT(ndev->name, &e->addr, ETHER_ADDR_LEN, "del sta event for "MACDBG "\n", MAC2STRDBG(e->addr.octet)); wl_cfg80211_check_in4way(cfg, ndev, DONT_DELETE_GC_AFTER_WPS, WL_EXT_STATUS_STA_DISCONNECTED, NULL); cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC); #ifdef WL_WPS_SYNC wl_wps_session_update(ndev, WPS_STATE_LINKDOWN, e->addr.octet); #endif /* WL_WPS_SYNC */ } #ifdef WL_CLIENT_SAE else if (event == WLC_E_AUTH) { WL_MSG_RLMT(ndev->name, &e->addr, ETHER_ADDR_LEN, "add sta auth event for "MACDBG "\n", MAC2STRDBG(e->addr.octet)); if (wl_get_mode_by_netdev(cfg, ndev) == WL_INVALID) { WL_ERR(("invalid mode\n")); return WL_INVALID; } err = wl_notify_connect_status_ap_auth(cfg, ndev, e, data); } #endif /* WL_CLIENT_SAE */ #endif /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ return err; } #ifdef WL_CLIENT_SAE static s32 wl_notify_start_auth(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct cfg80211_external_auth_params ext_auth_param; struct net_device *ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); u32 datalen = be32_to_cpu(e->datalen); wl_ext_auth_evt_t *evt_data = (wl_ext_auth_evt_t *)data; wl_assoc_mgr_cmd_t cmd; int err; WL_DBG(("Enter\n")); if (!datalen || !data) return BCME_ERROR; ext_auth_param.ssid.ssid_len = MIN(evt_data->ssid.SSID_len, DOT11_MAX_SSID_LEN); if (ext_auth_param.ssid.ssid_len) memcpy(&ext_auth_param.ssid.ssid, evt_data->ssid.SSID, ext_auth_param.ssid.ssid_len); memcpy(&ext_auth_param.bssid, &evt_data->bssid, ETHER_ADDR_LEN); ext_auth_param.action = NL80211_EXTERNAL_AUTH_START; ext_auth_param.key_mgmt_suite = ntoh32(WLAN_AKM_SUITE_SAE_SHA256); WL_MSG(ndev->name, "BSSID: "MACDBG"\n", MAC2STRDBG(&evt_data->bssid)); err = cfg80211_external_auth_request(ndev, &ext_auth_param, GFP_KERNEL); if (unlikely(err)) { WL_ERR(("Failed to notify external auth req(%d)\n", err)); } cmd.version = WL_ASSOC_MGR_CURRENT_VERSION; cmd.length = sizeof(cmd); cmd.cmd = WL_ASSOC_MGR_CMD_PAUSE_ON_EVT; cmd.params = WL_ASSOC_MGR_PARAMS_PAUSE_EVENT_AUTH_RESP; err = wldev_iovar_setbuf(ndev, "assoc_mgr_cmd", (void *)&cmd, sizeof(cmd), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("Failed to pause assoc(%d)\n", err)); } return BCME_OK; } static s32 wl_notify_connect_status_bss(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { s32 err = 0; u32 event = ntoh32(e->event_type); u32 reason = ntoh32(e->reason); u32 len = ntoh32(e->datalen); u32 status = ntoh32(e->status); bool isfree = false; u8 *mgmt_frame; u8 bsscfgidx = e->bsscfgidx; s32 freq; s32 channel; u8 *body = NULL; u16 fc = 0, rssi = 0; bcm_struct_cfgdev *cfgdev = ndev_to_cfgdev(ndev); struct ieee80211_supported_band *band; struct ether_addr da; struct ether_addr bssid; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); channel_info_t ci; WL_DBG(("event %d status %d reason %d\n", event, status, reason)); if (event == WLC_E_AUTH) { struct wl_security *sec; sec = wl_read_prof(cfg, ndev, WL_PROF_SEC); if (!(sec->auth_type == NL80211_AUTHTYPE_SAE)) { WL_DBG(("Abort AUTH processing due to NOT SAE\n")); return 0; } else { if (status != WLC_E_STATUS_SUCCESS && !len) { WL_ERR(("SAE AUTH FAIL EVENT\n")); wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED, WL_EXT_STATUS_DISCONNECTED, NULL); return 0; } } } if (!len && (event == WLC_E_DEAUTH)) { len = 2; /* reason code field */ data = &reason; } if (len) { body = kzalloc(len, GFP_KERNEL); if (body == NULL) { WL_ERR(("wl_notify_connect_status: Failed to allocate body\n")); return WL_INVALID; } } memset(&bssid, 0, ETHER_ADDR_LEN); if (wl_get_mode_by_netdev(cfg, ndev) == WL_INVALID) { kfree(body); return WL_INVALID; } if (len) memcpy(body, data, len); wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, bsscfgidx, &cfg->ioctl_buf_sync); memcpy(da.octet, cfg->ioctl_buf, ETHER_ADDR_LEN); err = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN); /* Use e->addr as bssid for Sta case , before association completed */ if (err == BCME_NOTASSOCIATED) memcpy(&bssid, &e->addr, ETHER_ADDR_LEN); switch (event) { case WLC_E_ASSOC_IND: fc = FC_ASSOC_REQ; break; case WLC_E_REASSOC_IND: fc = FC_REASSOC_REQ; break; case WLC_E_DISASSOC_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH: fc = FC_DISASSOC; break; case WLC_E_AUTH: fc = FC_AUTH; break; default: fc = 0; goto exit; } if ((err = wldev_ioctl_get(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci)))) { kfree(body); return err; } channel = dtoh32(ci.hw_channel); if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band\n")); if (body) kfree(body); return -EINVAL; } #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) freq = ieee80211_channel_to_frequency(channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(channel, band->band); #endif err = wl_frame_get_mgmt(cfg, fc, &da, &e->addr, &bssid, &mgmt_frame, &len, body); if (err < 0) { goto exit; } isfree = true; if (event == WLC_E_ASSOC_IND && reason == DOT11_SC_SUCCESS) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(cfgdev, freq, rssi, mgmt_frame, len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif } else if (event == WLC_E_DISASSOC_IND) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(cfgdev, freq, rssi, mgmt_frame, len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif } else if ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH)) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(cfgdev, freq, rssi, mgmt_frame, len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif } else if (event == WLC_E_AUTH) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(cfgdev, freq, rssi, mgmt_frame, len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif } exit: if (isfree) kfree(mgmt_frame); if (body) kfree(body); return err; } #endif /* WL_CLIENT_SAE */ static s32 wl_notify_connect_status_ibss(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { s32 err = 0; u32 event = ntoh32(e->event_type); u16 flags = ntoh16(e->flags); u32 status = ntoh32(e->status); bool active; #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) struct ieee80211_channel *channel = NULL; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); u32 chanspec, chan; u32 freq, band; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */ if (event == WLC_E_JOIN) { WL_INFORM_MEM(("[%s] joined in IBSS network\n", ndev->name)); } if (event == WLC_E_START) { WL_INFORM_MEM(("[%s] started IBSS network\n", ndev->name)); } if (event == WLC_E_JOIN || event == WLC_E_START || (event == WLC_E_LINK && (flags == WLC_EVENT_MSG_LINK))) { #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) err = wldev_iovar_getint(ndev, "chanspec", (s32 *)&chanspec); if (unlikely(err)) { WL_ERR(("Could not get chanspec %d\n", err)); return err; } chan = wf_chspec_ctlchan(wl_chspec_driver_to_host(chanspec)); band = (chan <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; freq = ieee80211_channel_to_frequency(chan, band); channel = ieee80211_get_channel(wiphy, freq); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */ if (wl_get_drv_status(cfg, CONNECTED, ndev)) { /* ROAM or Redundant */ u8 *cur_bssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); if (memcmp(cur_bssid, &e->addr, ETHER_ADDR_LEN) == 0) { WL_DBG(("IBSS connected event from same BSSID(" MACDBG "), ignore it\n", MAC2STRDBG(cur_bssid))); return err; } WL_INFORM_MEM(("[%s] IBSS BSSID is changed from " MACDBG " to " MACDBG "\n", ndev->name, MAC2STRDBG(cur_bssid), MAC2STRDBG((const u8 *)&e->addr))); wl_get_assoc_ies(cfg, ndev); wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID); wl_update_bss_info(cfg, ndev, false); #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, channel, GFP_KERNEL); #else cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, GFP_KERNEL); #endif // endif } else { /* New connection */ WL_INFORM_MEM(("[%s] IBSS connected to " MACDBG "\n", ndev->name, MAC2STRDBG((const u8 *)&e->addr))); wl_link_up(cfg); wl_get_assoc_ies(cfg, ndev); wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID); wl_update_bss_info(cfg, ndev, false); #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, channel, GFP_KERNEL); #else cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, GFP_KERNEL); #endif // endif wl_set_drv_status(cfg, CONNECTED, ndev); active = true; wl_update_prof(cfg, ndev, NULL, (const void *)&active, WL_PROF_ACT); } } else if ((event == WLC_E_LINK && !(flags & WLC_EVENT_MSG_LINK)) || event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) { wl_clr_drv_status(cfg, CONNECTED, ndev); wl_link_down(cfg); wl_init_prof(cfg, ndev); } else if (event == WLC_E_SET_SSID && status == WLC_E_STATUS_NO_NETWORKS) { WL_INFORM_MEM(("no action - join fail (IBSS mode)\n")); } else { WL_DBG(("no action (IBSS mode)\n")); } return err; } void wl_cfg80211_disassoc(struct net_device *ndev, uint32 reason) { scb_val_t scbval; s32 err; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); BCM_REFERENCE(cfg); BCM_REFERENCE(dhdp); DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START), dhd_net2idx(dhdp->info, ndev), WLAN_REASON_DEAUTH_LEAVING); memset_s(&scbval, sizeof(scb_val_t), 0x0, sizeof(scb_val_t)); scbval.val = htod32(reason); err = wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)); if (err < 0) { WL_ERR(("WLC_DISASSOC error %d\n", err)); } } void wl_cfg80211_del_all_sta(struct net_device *ndev, uint32 reason) { struct net_device *dev; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); scb_val_t scb_val; int err; char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV * sizeof(struct ether_addr) + sizeof(uint)] = {0}; struct maclist *assoc_maclist = (struct maclist *)mac_buf; int num_associated = 0; dev = ndev_to_wlc_ndev(ndev, cfg); if (p2p_is_on(cfg)) { /* Suspend P2P discovery search-listen to prevent it from changing the * channel. */ if ((wl_cfgp2p_discover_enable_search(cfg, false)) < 0) { WL_ERR(("Can not disable discovery mode\n")); return; } } assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV; err = wldev_ioctl_get(ndev, WLC_GET_ASSOCLIST, assoc_maclist, sizeof(mac_buf)); if (err < 0) WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err)); else num_associated = assoc_maclist->count; memset(scb_val.ea.octet, 0xff, ETHER_ADDR_LEN); scb_val.val = DOT11_RC_DEAUTH_LEAVING; scb_val.val = htod32(reason); err = wldev_ioctl_set(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val, sizeof(scb_val_t)); if (err < 0) { WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON err %d\n", err)); } if (num_associated > 0) wl_delay(400); return; } /* API to handle the Deauth from the AP. * For now we are deleting the PMKID cache in DHD/FW * in case of current connection is using SAE authnetication */ static s32 wl_cfg80211_handle_deauth_ind(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { int err = BCME_OK; #ifdef WL_SAE uint8 bssid[ETHER_ADDR_LEN]; struct cfg80211_pmksa pmksa; s32 val = 0; err = wldev_iovar_getint(ndev, "wpa_auth", &val); if (unlikely(err)) { WL_ERR(("could not get wpa_auth (%d)\n", err)); goto done; } if (val == WPA3_AUTH_SAE_PSK) { (void)memcpy_s(bssid, ETHER_ADDR_LEN, (const uint8*)&e->addr, ETHER_ADDR_LEN); memset_s(&pmksa, sizeof(pmksa), 0, sizeof(pmksa)); pmksa.bssid = bssid; WL_INFORM_MEM(("Deleting the PMKSA for SAE AP "MACDBG, MAC2STRDBG(e->addr.octet))); wl_cfg80211_del_pmksa(cfg->wdev->wiphy, ndev, &pmksa); } done: #endif /* WL_SAE */ return err; } static void wl_cache_assoc_resp_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { struct wl_connect_info *conn_info = wl_to_conn(cfg); u32 datalen = ntoh32(e->datalen); u32 event_type = ntoh32(e->event_type); if (datalen > VNDR_IE_MIN_LEN && datalen < VNDR_IE_MAX_LEN && data) { conn_info->resp_ie_len = datalen; WL_DBG((" assoc resp IES len = %d\n", conn_info->resp_ie_len)); bzero(conn_info->resp_ie, sizeof(conn_info->resp_ie)); (void)memcpy_s(conn_info->resp_ie, sizeof(conn_info->resp_ie), data, datalen); WL_INFORM_MEM(("[%s] copied assoc resp ies, sent to upper layer:" "event %d reason=%d ie_len=%d from " MACDBG "\n", ndev->name, event_type, ntoh32(e->reason), datalen, MAC2STRDBG((const u8*)(&e->addr)))); } } #ifdef WLMESH_CFG80211 static s32 wl_notify_connect_status_mesh(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { s32 err = 0; u32 event = ntoh32(e->event_type); u32 reason = ntoh32(e->reason); u32 len = ntoh32(e->datalen); u32 status = ntoh32(e->status); #if !defined(WL_CFG80211_STA_EVENT) && !defined(WL_COMPAT_WIRELESS) && \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) bool isfree = false; u8 *mgmt_frame; u8 bsscfgidx = e->bsscfgidx; s32 freq; s32 channel; u8 *body = NULL; u16 fc = 0; u32 body_len = 0; struct ieee80211_supported_band *band; struct ether_addr da; struct ether_addr bssid; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); channel_info_t ci; u8 ioctl_buf[WLC_IOCTL_SMLEN]; #else struct station_info sinfo; #endif /* (LINUX_VERSION < VERSION(3,2,0)) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ WL_INFORM_MEM(("[%s] Mode Mesh. Event:%d status:%d reason:%d\n", ndev->name, event, ntoh32(e->status), reason)); /* if link down, bsscfg is disabled. */ if (event == WLC_E_LINK && reason == WLC_E_LINK_BSSCFG_DIS && (ndev != bcmcfg_to_prmry_ndev(cfg))) { WL_MSG(ndev->name, "Mesh mode link down !! \n"); return 0; } if ((event == WLC_E_LINK) && (status == WLC_E_STATUS_SUCCESS) && (reason == WLC_E_REASON_INITIAL_ASSOC)) { /* AP/GO brought up successfull in firmware */ WL_MSG(ndev->name, "Mesh Link up\n"); return 0; } if (event == WLC_E_DISASSOC_IND || event == WLC_E_DEAUTH_IND || event == WLC_E_DEAUTH) { WL_MSG(ndev->name, "event %s(%d) status %d reason %d\n", bcmevent_get_name(event), event, ntoh32(e->status), reason); } #if !defined(WL_CFG80211_STA_EVENT) && !defined(WL_COMPAT_WIRELESS) && \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) WL_DBG(("Enter \n")); if (!len && (event == WLC_E_DEAUTH)) { len = 2; /* reason code field */ data = &reason; } if (len) { body = (u8 *)MALLOCZ(cfg->osh, len); if (body == NULL) { WL_ERR(("Failed to allocate body\n")); return WL_INVALID; } } bzero(&bssid, ETHER_ADDR_LEN); WL_DBG(("Enter event %d ndev %p\n", event, ndev)); if (wl_get_mode_by_netdev(cfg, ndev) == WL_INVALID) { MFREE(cfg->osh, body, len); return WL_INVALID; } if (len) memcpy(body, data, len); wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr", NULL, 0, ioctl_buf, sizeof(ioctl_buf), bsscfgidx, NULL); memcpy(da.octet, ioctl_buf, ETHER_ADDR_LEN); bzero(&bssid, sizeof(bssid)); err = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN); switch (event) { case WLC_E_ASSOC_IND: fc = FC_ASSOC_REQ; break; case WLC_E_REASSOC_IND: fc = FC_REASSOC_REQ; break; case WLC_E_DISASSOC_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH: fc = FC_DISASSOC; break; default: fc = 0; goto exit; } bzero(&ci, sizeof(ci)); if ((err = wldev_ioctl_get(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci)))) { MFREE(cfg->osh, body, len); return err; } channel = dtoh32(ci.hw_channel); if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band\n")); if (body) { MFREE(cfg->osh, body, len); } return -EINVAL; } #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(channel, band->band); #endif // endif body_len = len; err = wl_frame_get_mgmt(cfg, fc, &da, &e->addr, &bssid, &mgmt_frame, &len, body); if (err < 0) goto exit; isfree = true; if ((event == WLC_E_ASSOC_IND && reason == DOT11_SC_SUCCESS) || (event == WLC_E_DISASSOC_IND) || ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH))) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, 0, GFP_ATOMIC); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \ defined(WL_COMPAT_WIRELESS) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif /* LINUX_VERSION >= VERSION(3, 18,0) || WL_COMPAT_WIRELESS */ } exit: if (isfree) { MFREE(cfg->osh, mgmt_frame, len); } if (body) { MFREE(cfg->osh, body, body_len); } #else /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ memset(&sinfo, 0, sizeof(struct station_info)); sinfo.filled = 0; if (((event == WLC_E_ASSOC_IND) || (event == WLC_E_REASSOC_IND)) && reason == DOT11_SC_SUCCESS) { /* Linux ver >= 4.0 assoc_req_ies_len is used instead of * STATION_INFO_ASSOC_REQ_IES flag */ #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) sinfo.filled = STA_INFO_BIT(INFO_ASSOC_REQ_IES); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) */ if (!data) { WL_ERR(("No IEs present in ASSOC/REASSOC_IND")); return -EINVAL; } sinfo.assoc_req_ies = data; sinfo.assoc_req_ies_len = len; WL_MSG(ndev->name, "new sta event for "MACDBG "\n", MAC2STRDBG(e->addr.octet)); cfg80211_new_sta(ndev, e->addr.octet, &sinfo, GFP_ATOMIC); } else if ((event == WLC_E_DEAUTH_IND) || ((event == WLC_E_DEAUTH) && (reason != DOT11_RC_RESERVED)) || (event == WLC_E_DISASSOC_IND)) { WL_MSG(ndev->name, "del sta event for "MACDBG "\n", MAC2STRDBG(e->addr.octet)); cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC); } #endif /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ return err; } #endif /* WLMESH_CFG80211 */ static s32 wl_notify_connect_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { bool act; struct net_device *ndev = NULL; s32 err = 0; u32 event = ntoh32(e->event_type); u32 datalen = ntoh32(e->datalen); struct wiphy *wiphy = NULL; struct cfg80211_bss *bss = NULL; struct wlc_ssid *ssid = NULL; u8 *bssid = 0; s32 bssidx = 0; u8 *ie_ptr = NULL; uint32 ie_len = 0; #ifdef WL_ANALYTICS struct parsed_vndr_ies disco_vndr_ie; struct parsed_vndr_ie_info *vndrie_info = NULL; uint32 i = 0; #endif /* WL_ANALYTICS */ dhd_pub_t *dhdp; u32 mode; int vndr_oui_num = 0; char vndr_oui[MAX_VNDR_OUI_STR_LEN] = {0, }; bool loc_gen = false; #ifdef DHD_LOSSLESS_ROAMING struct wl_security *sec; #endif /* DHD_LOSSLESS_ROAMING */ ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); #ifdef DHD_LOSSLESS_ROAMING sec = wl_read_prof(cfg, ndev, WL_PROF_SEC); #endif /* DHD_LOSSLESS_ROAMING */ dhdp = (dhd_pub_t *)(cfg->pub); BCM_REFERENCE(dhdp); mode = wl_get_mode_by_netdev(cfg, ndev); /* Push link events to upper layer log */ SUPP_LOG(("[%s] Mode:%d event:%d status:0x%x reason:%d\n", ndev->name, mode, ntoh32(e->event_type), ntoh32(e->status), ntoh32(e->reason))); if (mode == WL_MODE_AP) { err = wl_notify_connect_status_ap(cfg, ndev, e, data); #ifdef WLMESH_CFG80211 } else if (mode == WL_MODE_MESH) { err = wl_notify_connect_status_mesh(cfg, ndev, e, data); #endif /* WLMESH_CFG80211 */ } else if (mode == WL_MODE_IBSS) { err = wl_notify_connect_status_ibss(cfg, ndev, e, data); } else if (mode == WL_MODE_BSS) { WL_INFORM_MEM(("[%s] Mode BSS. event:%d status:%d reason:%d\n", ndev->name, ntoh32(e->event_type), ntoh32(e->status), ntoh32(e->reason))); if (!wl_get_drv_status(cfg, CFG80211_CONNECT, ndev)) { /* Join attempt via non-cfg80211 interface. * Don't send resultant events to cfg80211 * layer */ WL_INFORM_MEM(("Event received in non-cfg80211" " connect state. Ignore\n")); return BCME_OK; } #ifdef WL_CLIENT_SAE if (event == WLC_E_AUTH) wl_notify_connect_status_bss(cfg, ndev, e, data); #endif /* WL_CLIENT_SAE */ if (event == WLC_E_ASSOC || event == WLC_E_AUTH) { wl_get_auth_assoc_status(cfg, ndev, e, data); return 0; } if (event == WLC_E_ASSOC_RESP_IE) { if (ntoh32(e->status) != WLC_E_STATUS_SUCCESS) { wl_cache_assoc_resp_ies(cfg, ndev, e, data); } return 0; } DHD_DISABLE_RUNTIME_PM((dhd_pub_t *)cfg->pub); if (wl_is_linkup(cfg, e, ndev)) { wl_link_up(cfg); act = true; if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) { WL_INFORM_MEM(("[%s] link up for bssid " MACDBG "\n", ndev->name, MAC2STRDBG((const u8*)(&e->addr)))); if ((event == WLC_E_LINK) && (ntoh16(e->flags) & WLC_EVENT_MSG_LINK) && !wl_get_drv_status(cfg, CONNECTED, ndev) && !wl_get_drv_status(cfg, CONNECTING, ndev)) { WL_INFORM_MEM(("link up in non-connected/" "non-connecting state\n")); wl_cfg80211_disassoc(ndev, WLAN_REASON_DEAUTH_LEAVING); return BCME_OK; } #ifdef WL_WPS_SYNC /* Avoid invocation for Roam cases */ if ((event == WLC_E_LINK) && !wl_get_drv_status(cfg, CONNECTED, ndev)) { wl_wps_session_update(ndev, WPS_STATE_LINKUP, e->addr.octet); } #endif /* WL_WPS_SYNC */ if (event == WLC_E_LINK && #ifdef DHD_LOSSLESS_ROAMING !cfg->roam_offload && !IS_AKM_SUITE_FT(sec) && #endif /* DHD_LOSSLESS_ROAMING */ wl_get_drv_status(cfg, CONNECTED, ndev)) { wl_bss_roaming_done(cfg, ndev, e, data); /* Arm pkt logging timer */ dhd_dump_mod_pkt_timer(dhdp, PKT_CNT_RSN_ROAM); } else { /* Initial Association */ wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT); wl_bss_connect_done(cfg, ndev, e, data, true); if (ndev == bcmcfg_to_prmry_ndev(cfg)) { vndr_oui_num = wl_vndr_ies_get_vendor_oui(cfg, ndev, vndr_oui, ARRAY_SIZE(vndr_oui)); if (vndr_oui_num > 0) { WL_INFORM_MEM(("[%s] vendor oui: %s\n", ndev->name, vndr_oui)); } } if (event == WLC_E_LINK) { /* Arm pkt logging timer */ dhd_dump_mod_pkt_timer(dhdp, PKT_CNT_RSN_CONNECT); } WL_DBG(("joined in BSS network \"%s\"\n", ((struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID))->SSID)); } } wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT); wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID); } else if (wl_is_linkdown(cfg, e) || ((event == WLC_E_SET_SSID) && (ntoh32(e->status) != WLC_E_STATUS_SUCCESS) && (wl_get_drv_status(cfg, CONNECTED, ndev)))) { if (wl_is_linkdown(cfg, e)) { /* Clear IEs for disaasoc */ if ((bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr)) < 0) { WL_ERR(("Find index failed\n")); } else { WL_ERR(("link down--clearing disconnect IEs\n")); if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(ndev), bssidx, VNDR_IE_DISASSOC_FLAG, NULL, 0)) != BCME_OK) { WL_ERR(("Failed to clear ies err = %d\n", err)); } } } WL_INFORM_MEM(("link down. connection state bit status: [%u:%u:%u:%u]\n", wl_get_drv_status(cfg, CONNECTING, ndev), wl_get_drv_status(cfg, CONNECTED, ndev), wl_get_drv_status(cfg, DISCONNECTING, ndev), wl_get_drv_status(cfg, NESTED_CONNECT, ndev))); #ifdef WL_WPS_SYNC { u8 wps_state; if ((event == WLC_E_SET_SSID) && (ntoh32(e->status) != WLC_E_STATUS_SUCCESS)) { /* connect fail */ wps_state = WPS_STATE_CONNECT_FAIL; } else { wps_state = WPS_STATE_LINKDOWN; } if (wl_wps_session_update(ndev, wps_state, e->addr.octet) == BCME_UNSUPPORTED) { /* Unexpected event. Ignore it. */ return 0; } } #endif /* WL_WPS_SYNC */ if (wl_get_drv_status(cfg, DISCONNECTING, ndev) && (wl_get_drv_status(cfg, NESTED_CONNECT, ndev) || wl_get_drv_status(cfg, CONNECTING, ndev))) { /* wl_cfg80211_connect was called before 'DISCONNECTING' was * cleared. Deauth/Link down event is caused by WLC_DISASSOC * command issued from the wl_cfg80211_connect context. Ignore * the event to avoid pre-empting the current connection */ WL_DBG(("Nested connection case. Drop event. \n")); wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED, WL_EXT_STATUS_DISCONNECTED, NULL); wl_clr_drv_status(cfg, NESTED_CONNECT, ndev); wl_clr_drv_status(cfg, DISCONNECTING, ndev); /* Not in 'CONNECTED' state, clear it */ wl_clr_drv_status(cfg, CONNECTED, ndev); return 0; } if (wl_get_drv_status(cfg, CONNECTED, ndev)) { wl_flush_fw_log_buffer(bcmcfg_to_prmry_ndev(cfg), FW_LOGSET_MASK_ALL); } #ifdef DHD_LOSSLESS_ROAMING wl_del_roam_timeout(cfg); #endif // endif #ifdef P2PLISTEN_AP_SAMECHN if (ndev == bcmcfg_to_prmry_ndev(cfg)) { wl_cfg80211_set_p2p_resp_ap_chn(ndev, 0); cfg->p2p_resp_apchn_status = false; WL_DBG(("p2p_resp_apchn_status Turn OFF \n")); } #endif /* P2PLISTEN_AP_SAMECHN */ wl_cfg80211_cancel_scan(cfg); if (wl_get_drv_status(cfg, CONNECTED, ndev)) { u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) { bool fw_assoc_state = TRUE; dhd_pub_t *dhd = (dhd_pub_t *)cfg->pub; fw_assoc_state = dhd_is_associated(dhd, e->ifidx, &err); if (!fw_assoc_state) { WL_ERR(("Event sends up even different BSSID" " cur: " MACDBG " event: " MACDBG"\n", MAC2STRDBG(curbssid), MAC2STRDBG((const u8*)(&e->addr)))); } else { WL_ERR(("BSSID of event is not the connected BSSID" "(ignore it) cur: " MACDBG " event: " MACDBG"\n", MAC2STRDBG(curbssid), MAC2STRDBG((const u8*)(&e->addr)))); return 0; } } } /* Explicitly calling unlink to remove BSS in CFG */ wiphy = bcmcfg_to_wiphy(cfg); ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID); bssid = (u8 *)wl_read_prof(cfg, ndev, WL_PROF_BSSID); if (ssid && bssid) { bss = CFG80211_GET_BSS(wiphy, NULL, bssid, ssid->SSID, ssid->SSID_len); if (bss) { cfg80211_unlink_bss(wiphy, bss); CFG80211_PUT_BSS(wiphy, bss); } } if (wl_get_drv_status(cfg, CONNECTED, ndev)) { scb_val_t scbval; u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); uint32 reason = 0; struct ether_addr bssid_dongle = {{0, 0, 0, 0, 0, 0}}; struct ether_addr bssid_null = {{0, 0, 0, 0, 0, 0}}; if (event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) { reason = ntoh32(e->reason); if (reason > WLC_E_DEAUTH_MAX_REASON) { WL_ERR(("Event %d original reason is %d, " "changed 0xFF\n", event, reason)); reason = WLC_E_DEAUTH_MAX_REASON; } wl_cfg80211_handle_deauth_ind(cfg, ndev, e, data); } #ifdef SET_SSID_FAIL_CUSTOM_RC if ((event == WLC_E_SET_SSID) && (ntoh32(e->status) == WLC_E_STATUS_TIMEOUT)) { reason = SET_SSID_FAIL_CUSTOM_RC; } #endif /* SET_SSID_FAIL_CUSTOM_RC */ /* roam offload does not sync BSSID always, get it from dongle */ if (cfg->roam_offload) { bzero(&bssid_dongle, sizeof(bssid_dongle)); if (wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid_dongle, sizeof(bssid_dongle)) == BCME_OK) { /* if not roam case, it would return null bssid */ if (memcmp(&bssid_dongle, &bssid_null, ETHER_ADDR_LEN) != 0) { curbssid = (u8 *)&bssid_dongle; } } } if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) { bool fw_assoc_state = TRUE; dhd_pub_t *dhd = (dhd_pub_t *)cfg->pub; fw_assoc_state = dhd_is_associated(dhd, e->ifidx, &err); if (!fw_assoc_state) { WL_ERR(("Event sends up even different BSSID" " cur: " MACDBG " event: " MACDBG"\n", MAC2STRDBG(curbssid), MAC2STRDBG((const u8*)(&e->addr)))); } else { WL_ERR(("BSSID of event is not the connected BSSID" "(ignore it) cur: " MACDBG " event: " MACDBG"\n", MAC2STRDBG(curbssid), MAC2STRDBG((const u8*)(&e->addr)))); return 0; } } #ifdef DBG_PKT_MON /* Stop packet monitor */ if (ndev == bcmcfg_to_prmry_ndev(cfg)) { DHD_DBG_PKT_MON_STOP(dhdp); } #endif /* DBG_PKT_MON */ /* clear RSSI monitor, framework will set new cfg */ #ifdef RSSI_MONITOR_SUPPORT dhd_dev_set_rssi_monitor_cfg(bcmcfg_to_prmry_ndev(cfg), FALSE, 0, 0); #endif /* RSSI_MONITOR_SUPPORT */ if (dhdp->conf->eapol_status == EAPOL_STATUS_4WAY_DONE && !memcmp(ndev->name, WL_P2P_INTERFACE_PREFIX, strlen(WL_P2P_INTERFACE_PREFIX))) { // terence 20130703: Fix for wrong group_capab (timing issue) cfg->p2p_disconnected = 1; } memcpy(&cfg->disconnected_bssid, curbssid, ETHER_ADDR_LEN); wl_clr_drv_status(cfg, CONNECTED, ndev); if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) { DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START), dhd_net2idx(dhdp->info, ndev), WLAN_REASON_DEAUTH_LEAVING); /* To make sure disconnect, explictly send dissassoc * for BSSID 00:00:00:00:00:00 issue */ scbval.val = WLAN_REASON_DEAUTH_LEAVING; WL_INFORM_MEM(("clear fw state\n")); memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); scbval.val = htod32(scbval.val); err = wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)); if (err < 0) { WL_ERR(("WLC_DISASSOC error %d\n", err)); err = 0; } } if (wl_get_drv_status(cfg, DISCONNECTING, ndev)) { loc_gen = true; } WL_INFORM_MEM(("[%s] Indicate disconnect event to upper layer. " "event: %d reason=%d from " MACDBG "\n", ndev->name, event, ntoh32(e->reason), MAC2STRDBG((const u8*)(&e->addr)))); DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_DONE), dhd_net2idx(dhdp->info, ndev), reason); /* Send up deauth and clear states */ /* * FW sends body and body len as a part of deauth * and disassoc events (WLC_E_DISASSOC_IND, WLC_E_DEAUTH_IND) * The VIEs sits after reason code in the body. Reason code is * 2 bytes long. */ WL_DBG(("recv disconnect ies ie_len = %d\n", ie_len)); if (event == WLC_E_DISASSOC_IND || event == WLC_E_DEAUTH_IND) { if ((datalen > DOT11_DISCONNECT_RC) && datalen < (VNDR_IE_MAX_LEN + DOT11_DISCONNECT_RC) && data) { ie_ptr = (uchar*)data + DOT11_DISCONNECT_RC; ie_len = datalen - DOT11_DISCONNECT_RC; } } else if (event == WLC_E_LINK && ntoh32(e->reason) == WLC_E_LINK_BCN_LOSS) { #ifdef WL_ANALYTICS /* * In case of linkdown, FW sends prb rsp IEs. Disco VIE * are appended with prb rsp ies. Remove prb rsp IES and * send disco vie to upper layer. * Disco VIE has fixed len of 11 octets. * As per SS spec.(2 octet header + 9 octet VIE) */ if (datalen < (VNDR_IE_MAX_LEN + DOT11_DISCONNECT_RC) && datalen >= DOT11_DISCONNECT_RC && ((err = wl_cfg80211_parse_vndr_ies( (const u8 *)data, datalen, &disco_vndr_ie)) == BCME_OK)) { for (i = 0; i < disco_vndr_ie.count; i++) { vndrie_info = &disco_vndr_ie.ie_info[i]; if ((vndrie_info->vndrie.id == 0xDD) && (!memcmp( vndrie_info->vndrie.oui, SSE_OUI, DOT11_OUI_LEN)) && (vndrie_info->vndrie.data[0] == VENDOR_ENTERPRISE_STA_OUI_TYPE)) { ie_ptr = (u8 *)vndrie_info->ie_ptr; ie_len = vndrie_info->ie_len; } } } #endif /* WL_ANALYTICS */ } CFG80211_DISCONNECTED(ndev, reason, ie_ptr, ie_len, loc_gen, GFP_KERNEL); WL_INFORM_MEM(("[%s] Disconnect event sent to upper layer" "event:%d reason=%d ie_len=%d from " MACDBG "\n", ndev->name, event, ntoh32(e->reason), ie_len, MAC2STRDBG((const u8*)(&e->addr)))); /* Wait for status to be cleared to prevent race condition * issues with connect context */ wl_cfg80211_disconnect_state_sync(cfg, ndev); wl_link_down(cfg); wl_init_prof(cfg, ndev); } else if (wl_get_drv_status(cfg, CONNECTING, ndev)) { DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START), dhd_net2idx(dhdp->info, ndev), 0); WL_INFORM_MEM(("link down, during connecting\n")); /* Issue WLC_DISASSOC to prevent FW roam attempts. * Do not issue WLC_DISASSOC again if the linkdown is * generated due to local disassoc, to avoid connect-disconnect * loop. */ if (!((event == WLC_E_LINK) && (ntoh32(e->reason) == WLC_E_LINK_DISASSOC) && (ntoh32(e->status) == WLC_E_STATUS_SUCCESS))) { err = wldev_ioctl_set(ndev, WLC_DISASSOC, NULL, 0); if (err < 0) { WL_ERR(("CONNECTING state," " WLC_DISASSOC error %d\n", err)); err = 0; } #ifdef ESCAN_RESULT_PATCH if ((memcmp(connect_req_bssid, broad_bssid, ETHER_ADDR_LEN) == 0) || (memcmp(&e->addr, broad_bssid, ETHER_ADDR_LEN) == 0) || (memcmp(&e->addr, connect_req_bssid, ETHER_ADDR_LEN) == 0)) /* In case this event comes while associating * another AP */ #endif /* ESCAN_RESULT_PATCH */ wl_bss_connect_done(cfg, ndev, e, data, false); } } wl_clr_drv_status(cfg, DISCONNECTING, ndev); wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED, WL_EXT_STATUS_DISCONNECTED, NULL); /* if link down, bsscfg is diabled */ if (ndev != bcmcfg_to_prmry_ndev(cfg)) complete(&cfg->iface_disable); #ifdef WLTDLS /* re-enable TDLS if the number of connected interfaces * is less than 2. */ wl_cfg80211_tdls_config(cfg, TDLS_STATE_DISCONNECT, false); #endif /* WLTDLS */ } else if (wl_is_nonetwork(cfg, e)) { WL_ERR(("connect failed event=%d e->status %d e->reason %d \n", event, (int)ntoh32(e->status), (int)ntoh32(e->reason))); wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED, WL_EXT_STATUS_DISCONNECTED, NULL); #ifdef WL_WPS_SYNC if (wl_wps_session_update(ndev, WPS_STATE_CONNECT_FAIL, e->addr.octet) == BCME_UNSUPPORTED) { /* Unexpected event. Ignore it. */ return 0; } #endif /* WL_WPS_SYNC */ /* Dump FW preserve buffer content */ wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL); /* Clean up any pending scan request */ wl_cfg80211_cancel_scan(cfg); if (wl_get_drv_status(cfg, CONNECTING, ndev)) { if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) { WL_INFORM_MEM(("wl dissassoc\n")); err = wldev_ioctl_set(ndev, WLC_DISASSOC, NULL, 0); if (err < 0) { WL_ERR(("WLC_DISASSOC error %d\n", err)); err = 0; } } else { WL_DBG(("connect fail. clear disconnecting bit\n")); wl_clr_drv_status(cfg, DISCONNECTING, ndev); } wl_bss_connect_done(cfg, ndev, e, data, false); wl_clr_drv_status(cfg, CONNECTING, ndev); WL_INFORM_MEM(("connect fail reported\n")); } } else { WL_DBG(("%s nothing\n", __FUNCTION__)); } DHD_ENABLE_RUNTIME_PM((dhd_pub_t *)cfg->pub); } else { WL_MSG(ndev->name, "Invalid mode %d event %d status %d\n", wl_get_mode_by_netdev(cfg, ndev), ntoh32(e->event_type), ntoh32(e->status)); } return err; } #ifdef WL_RELMCAST void wl_cfg80211_set_rmc_pid(struct net_device *dev, int pid) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); if (pid > 0) cfg->rmc_event_pid = pid; WL_DBG(("set pid for rmc event : pid=%d\n", pid)); } #endif /* WL_RELMCAST */ #ifdef WL_RELMCAST static s32 wl_notify_rmc_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { u32 evt = ntoh32(e->event_type); u32 reason = ntoh32(e->reason); int ret = -1; switch (reason) { case WLC_E_REASON_RMC_AR_LOST: case WLC_E_REASON_RMC_AR_NO_ACK: if (cfg->rmc_event_pid != 0) { ret = wl_netlink_send_msg(cfg->rmc_event_pid, RMC_EVENT_LEADER_CHECK_FAIL, cfg->rmc_event_seq++, NULL, 0); } break; default: break; } WL_DBG(("rmcevent : evt=%d, pid=%d, ret=%d\n", evt, cfg->rmc_event_pid, ret)); return ret; } #endif /* WL_RELMCAST */ #ifdef GSCAN_SUPPORT static s32 wl_handle_roam_exp_event(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct net_device *ndev = NULL; u32 datalen = be32_to_cpu(e->datalen); if (datalen) { wl_roam_exp_event_t *evt_data = (wl_roam_exp_event_t *)data; if (evt_data->version == ROAM_EXP_EVENT_VERSION) { wlc_ssid_t *ssid = &evt_data->cur_ssid; struct wireless_dev *wdev; ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); if (ndev) { wdev = ndev->ieee80211_ptr; wdev->ssid_len = min(ssid->SSID_len, (uint32)DOT11_MAX_SSID_LEN); memcpy(wdev->ssid, ssid->SSID, wdev->ssid_len); WL_ERR(("SSID is %s\n", ssid->SSID)); wl_update_prof(cfg, ndev, NULL, ssid, WL_PROF_SSID); } else { WL_ERR(("NULL ndev!\n")); } } else { WL_ERR(("Version mismatch %d, expected %d", evt_data->version, ROAM_EXP_EVENT_VERSION)); } } return BCME_OK; } #endif /* GSCAN_SUPPORT */ #ifdef RSSI_MONITOR_SUPPORT static s32 wl_handle_rssi_monitor_event(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { #if defined(WL_VENDOR_EXT_SUPPORT) || defined(CONFIG_BCMDHD_VENDOR_EXT) u32 datalen = be32_to_cpu(e->datalen); struct net_device *ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); if (datalen) { wl_rssi_monitor_evt_t *evt_data = (wl_rssi_monitor_evt_t *)data; if (evt_data->version == RSSI_MONITOR_VERSION) { dhd_rssi_monitor_evt_t monitor_data; monitor_data.version = DHD_RSSI_MONITOR_EVT_VERSION; monitor_data.cur_rssi = evt_data->cur_rssi; memcpy(&monitor_data.BSSID, &e->addr, ETHER_ADDR_LEN); wl_cfgvendor_send_async_event(wiphy, ndev, GOOGLE_RSSI_MONITOR_EVENT, &monitor_data, sizeof(monitor_data)); } else { WL_ERR(("Version mismatch %d, expected %d", evt_data->version, RSSI_MONITOR_VERSION)); } } #endif /* WL_VENDOR_EXT_SUPPORT || CONFIG_BCMDHD_VENDOR_EXT */ return BCME_OK; } #endif /* RSSI_MONITOR_SUPPORT */ static s32 wl_notify_roaming_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { bool act; struct net_device *ndev = NULL; s32 err = 0; u32 event = be32_to_cpu(e->event_type); u32 status = be32_to_cpu(e->status); #ifdef DHD_LOSSLESS_ROAMING struct wl_security *sec; #endif // endif dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); WL_DBG(("Enter \n")); BCM_REFERENCE(dhdp); ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); if ((!cfg->disable_roam_event) && (event == WLC_E_BSSID)) { wl_add_remove_eventmsg(ndev, WLC_E_ROAM, false); cfg->disable_roam_event = TRUE; } if ((cfg->disable_roam_event) && (event == WLC_E_ROAM)) return err; if ((event == WLC_E_ROAM || event == WLC_E_BSSID) && status == WLC_E_STATUS_SUCCESS) { if (wl_get_drv_status(cfg, CONNECTED, ndev)) { #ifdef DHD_LOSSLESS_ROAMING sec = wl_read_prof(cfg, ndev, WL_PROF_SEC); /* In order to reduce roaming delay, wl_bss_roaming_done is * early called with WLC_E_LINK event. It is called from * here only if WLC_E_LINK event is blocked for specific * security type. */ if (IS_AKM_SUITE_FT(sec)) { wl_bss_roaming_done(cfg, ndev, e, data); /* Arm pkt logging timer */ dhd_dump_mod_pkt_timer(dhdp, PKT_CNT_RSN_ROAM); } /* Roam timer is deleted mostly from wl_cfg80211_change_station * after roaming is finished successfully. We need to delete * the timer from here only for some security types that aren't * using wl_cfg80211_change_station to authorize SCB */ if (IS_AKM_SUITE_FT(sec) || IS_AKM_SUITE_CCKM(sec)) { wl_del_roam_timeout(cfg); } #else #if !defined(DHD_NONFT_ROAMING) wl_bss_roaming_done(cfg, ndev, e, data); #endif /* !DHD_NONFT_ROAMING */ #endif /* DHD_LOSSLESS_ROAMING */ } else { wl_bss_connect_done(cfg, ndev, e, data, true); } act = true; wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT); wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID); if (ndev == bcmcfg_to_prmry_ndev(cfg)) { wl_vndr_ies_get_vendor_oui(cfg, ndev, NULL, 0); } } #ifdef DHD_LOSSLESS_ROAMING else if ((event == WLC_E_ROAM || event == WLC_E_BSSID) && status != WLC_E_STATUS_SUCCESS) { wl_del_roam_timeout(cfg); } #endif // endif return err; } #ifdef CUSTOM_EVENT_PM_WAKE uint32 last_dpm_upd_time = 0; /* ms */ #define DPM_UPD_LMT_TIME ((CUSTOM_EVENT_PM_WAKE + (5)) * (1000) * (4)) /* ms */ #define DPM_UPD_LMT_RSSI -85 /* dbm */ static s32 wl_check_pmstatus(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { s32 err = BCME_OK; struct net_device *ndev = NULL; u8 *pbuf = NULL; uint32 cur_dpm_upd_time = 0; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); s32 rssi; #ifdef SUPPORT_RSSI_SUM_REPORT wl_rssi_ant_mimo_t rssi_ant_mimo; #endif /* SUPPORT_RSSI_SUM_REPORT */ ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); pbuf = (u8 *)MALLOCZ(cfg->osh, WLC_IOCTL_MEDLEN); if (pbuf == NULL) { WL_ERR(("failed to allocate local pbuf\n")); return -ENOMEM; } err = wldev_iovar_getbuf_bsscfg(ndev, "dump", "pm", strlen("pm"), pbuf, WLC_IOCTL_MEDLEN, 0, &cfg->ioctl_buf_sync); if (err) { WL_ERR(("dump ioctl err = %d", err)); } else { WL_ERR(("PM status : %s\n", pbuf)); } if (pbuf) { MFREE(cfg->osh, pbuf, WLC_IOCTL_MEDLEN); } if (dhd->early_suspended) { /* LCD off */ #ifdef SUPPORT_RSSI_SUM_REPORT /* Query RSSI sum across antennas */ memset(&rssi_ant_mimo, 0, sizeof(rssi_ant_mimo)); err = wl_get_rssi_per_ant(ndev, ndev->name, NULL, &rssi_ant_mimo); if (err) { WL_ERR(("Could not get rssi sum (%d)\n", err)); } rssi = rssi_ant_mimo.rssi_sum; if (rssi == 0) #endif /* SUPPORT_RSSI_SUM_REPORT */ { scb_val_t scb_val; memset(&scb_val, 0, sizeof(scb_val_t)); scb_val.val = 0; err = wldev_ioctl_get(ndev, WLC_GET_RSSI, &scb_val, sizeof(scb_val_t)); if (err) { WL_ERR(("Could not get rssi (%d)\n", err)); } #if defined(RSSIOFFSET) rssi = wl_update_rssi_offset(ndev, dtoh32(scb_val.val)); #else rssi = dtoh32(scb_val.val); #endif } WL_ERR(("RSSI %d dBm\n", rssi)); if (rssi > DPM_UPD_LMT_RSSI) { return err; } } else { /* LCD on */ return err; } if (last_dpm_upd_time == 0) { last_dpm_upd_time = OSL_SYSUPTIME(); } else { cur_dpm_upd_time = OSL_SYSUPTIME(); if (cur_dpm_upd_time - last_dpm_upd_time < DPM_UPD_LMT_TIME) { scb_val_t scbval; DHD_STATLOG_CTRL(dhd, ST(DISASSOC_INT_START), dhd_net2idx(dhd->info, ndev), 0); bzero(&scbval, sizeof(scb_val_t)); err = wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)); if (err < 0) { WL_ERR(("Disassoc error %d\n", err)); return err; } WL_ERR(("Force Disassoc due to updated DPM event.\n")); last_dpm_upd_time = 0; } else { last_dpm_upd_time = cur_dpm_upd_time; } } return err; } #endif /* CUSTOM_EVENT_PM_WAKE */ #ifdef QOS_MAP_SET /* get user priority table */ uint8 * wl_get_up_table(dhd_pub_t * dhdp, int idx) { struct net_device *ndev; struct bcm_cfg80211 *cfg; ndev = dhd_idx2net(dhdp, idx); if (ndev) { cfg = wl_get_cfg(ndev); if (cfg) return (uint8 *)(cfg->up_table); } return NULL; } #endif /* QOS_MAP_SET */ #if defined(DHD_LOSSLESS_ROAMING) || defined(DBG_PKT_MON) static s32 wl_notify_roam_prep_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct wl_security *sec; struct net_device *ndev; dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); u32 status = ntoh32(e->status); u32 reason = ntoh32(e->reason); BCM_REFERENCE(sec); if (status == WLC_E_STATUS_SUCCESS && reason != WLC_E_REASON_INITIAL_ASSOC) { WL_ERR(("Attempting roam with reason code : %d\n", reason)); } #ifdef CONFIG_SILENT_ROAM if (dhdp->in_suspend && reason == WLC_E_REASON_SILENT_ROAM) { dhdp->sroamed = TRUE; } #endif /* CONFIG_SILENT_ROAM */ ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); #ifdef DBG_PKT_MON if (ndev == bcmcfg_to_prmry_ndev(cfg)) { DHD_DBG_PKT_MON_STOP(dhdp); DHD_DBG_PKT_MON_START(dhdp); } #endif /* DBG_PKT_MON */ #ifdef DHD_LOSSLESS_ROAMING sec = wl_read_prof(cfg, ndev, WL_PROF_SEC); /* Disable Lossless Roaming for specific AKM suite * Any other AKM suite can be added below if transition time * is delayed because of Lossless Roaming * and it causes any certication failure */ if (IS_AKM_SUITE_FT(sec)) { return BCME_OK; } dhdp->dequeue_prec_map = 1 << PRIO_8021D_NC; /* Restore flow control */ dhd_txflowcontrol(dhdp, ALL_INTERFACES, OFF); mod_timer(&cfg->roam_timeout, jiffies + msecs_to_jiffies(WL_ROAM_TIMEOUT_MS)); #endif /* DHD_LOSSLESS_ROAMING */ return BCME_OK; } #endif /* DHD_LOSSLESS_ROAMING || DBG_PKT_MON */ static s32 wl_notify_roam_start_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT) struct net_device *ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); int event_type; event_type = WIFI_EVENT_ROAM_SCAN_STARTED; wl_cfgvendor_send_async_event(wiphy, ndev, GOOGLE_ROAM_EVENT_START, &event_type, sizeof(int)); #endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || (WL_VENDOR_EXT_SUPPORT) */ return BCME_OK; } static s32 wl_get_assoc_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev) { wl_assoc_info_t assoc_info; struct wl_connect_info *conn_info = wl_to_conn(cfg); s32 err = 0; #ifdef QOS_MAP_SET bcm_tlv_t * qos_map_ie = NULL; #endif /* QOS_MAP_SET */ WL_DBG(("Enter \n")); err = wldev_iovar_getbuf(ndev, "assoc_info", NULL, 0, cfg->extra_buf, WL_ASSOC_INFO_MAX, NULL); if (unlikely(err)) { WL_ERR(("could not get assoc info (%d)\n", err)); return err; } memcpy(&assoc_info, cfg->extra_buf, sizeof(wl_assoc_info_t)); assoc_info.req_len = htod32(assoc_info.req_len); assoc_info.resp_len = htod32(assoc_info.resp_len); assoc_info.flags = htod32(assoc_info.flags); if (conn_info->req_ie_len) { conn_info->req_ie_len = 0; bzero(conn_info->req_ie, sizeof(conn_info->req_ie)); } if (conn_info->resp_ie_len) { conn_info->resp_ie_len = 0; bzero(conn_info->resp_ie, sizeof(conn_info->resp_ie)); } if (assoc_info.req_len) { err = wldev_iovar_getbuf(ndev, "assoc_req_ies", NULL, 0, cfg->extra_buf, assoc_info.req_len, NULL); if (unlikely(err)) { WL_ERR(("could not get assoc req (%d)\n", err)); return err; } if (assoc_info.req_len < sizeof(struct dot11_assoc_req)) { WL_ERR(("req_len %d lessthan %d \n", assoc_info.req_len, (int)sizeof(struct dot11_assoc_req))); return BCME_BADLEN; } conn_info->req_ie_len = (uint32)(assoc_info.req_len - sizeof(struct dot11_assoc_req)); if (assoc_info.flags & WLC_ASSOC_REQ_IS_REASSOC) { conn_info->req_ie_len -= ETHER_ADDR_LEN; } if (conn_info->req_ie_len <= MAX_REQ_LINE) memcpy(conn_info->req_ie, cfg->extra_buf, conn_info->req_ie_len); else { WL_ERR(("IE size %d above max %d size \n", conn_info->req_ie_len, MAX_REQ_LINE)); return err; } } else { conn_info->req_ie_len = 0; } if (assoc_info.resp_len) { err = wldev_iovar_getbuf(ndev, "assoc_resp_ies", NULL, 0, cfg->extra_buf, assoc_info.resp_len, NULL); if (unlikely(err)) { WL_ERR(("could not get assoc resp (%d)\n", err)); return err; } if (assoc_info.resp_len < sizeof(struct dot11_assoc_resp)) { WL_ERR(("resp_len %d is lessthan %d \n", assoc_info.resp_len, (int)sizeof(struct dot11_assoc_resp))); return BCME_BADLEN; } conn_info->resp_ie_len = assoc_info.resp_len - (uint32)sizeof(struct dot11_assoc_resp); if (conn_info->resp_ie_len <= MAX_REQ_LINE) { memcpy(conn_info->resp_ie, cfg->extra_buf, conn_info->resp_ie_len); } else { WL_ERR(("IE size %d above max %d size \n", conn_info->resp_ie_len, MAX_REQ_LINE)); return err; } #ifdef QOS_MAP_SET /* find qos map set ie */ if ((qos_map_ie = bcm_parse_tlvs(conn_info->resp_ie, conn_info->resp_ie_len, DOT11_MNG_QOS_MAP_ID)) != NULL) { WL_DBG((" QoS map set IE found in assoc response\n")); if (!cfg->up_table) { cfg->up_table = (uint8 *)MALLOC(cfg->osh, UP_TABLE_MAX); } wl_set_up_table(cfg->up_table, qos_map_ie); } else { MFREE(cfg->osh, cfg->up_table, UP_TABLE_MAX); } #endif /* QOS_MAP_SET */ } else { conn_info->resp_ie_len = 0; } WL_DBG(("req len (%d) resp len (%d)\n", conn_info->req_ie_len, conn_info->resp_ie_len)); return err; } static s32 wl_ch_to_chanspec(struct net_device *dev, int ch, struct wl_join_params *join_params, size_t *join_params_size) { chanspec_t chanspec = 0, chspec; struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)wiphy_priv(dev->ieee80211_ptr->wiphy); if ((ch != 0) && (cfg && !cfg->rcc_enabled)) { join_params->params.chanspec_num = 1; join_params->params.chanspec_list[0] = ch; if (join_params->params.chanspec_list[0] <= CH_MAX_2G_CHANNEL) chanspec |= WL_CHANSPEC_BAND_2G; else chanspec |= WL_CHANSPEC_BAND_5G; /* Get the min_bw set for the interface */ chspec = WL_CHANSPEC_BW_20; if (chspec == INVCHANSPEC) { WL_ERR(("Invalid chanspec \n")); return -EINVAL; } chanspec |= chspec; chanspec |= WL_CHANSPEC_CTL_SB_NONE; *join_params_size += WL_ASSOC_PARAMS_FIXED_SIZE + join_params->params.chanspec_num * sizeof(chanspec_t); join_params->params.chanspec_list[0] &= WL_CHANSPEC_CHAN_MASK; join_params->params.chanspec_list[0] |= chanspec; join_params->params.chanspec_list[0] = wl_chspec_host_to_driver(join_params->params.chanspec_list[0]); join_params->params.chanspec_num = htod32(join_params->params.chanspec_num); } #ifdef ESCAN_CHANNEL_CACHE else { /* If channel is not present and ESCAN_CHANNEL_CACHE is enabled, * use the cached channel list */ int n_channels; n_channels = get_roam_channel_list(ch, join_params->params.chanspec_list, MAX_ROAM_CHANNEL, &join_params->ssid, ioctl_version); join_params->params.chanspec_num = htod32(n_channels); *join_params_size += WL_ASSOC_PARAMS_FIXED_SIZE + join_params->params.chanspec_num * sizeof(chanspec_t); } #endif /* ESCAN_CHANNEL_CACHE */ WL_DBG(("join_params->params.chanspec_list[0]= %X, %d channels\n", join_params->params.chanspec_list[0], join_params->params.chanspec_num)); return 0; } static s32 wl_update_bss_info(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool update_ssid) { struct cfg80211_bss *bss; wl_bss_info_t *bi; struct wlc_ssid *ssid; const struct bcm_tlv *tim; s32 beacon_interval; s32 dtim_period; size_t ie_len; const u8 *ie; u8 *curbssid; s32 err = 0; struct wiphy *wiphy; u32 channel; char *buf; u32 freq, band; wiphy = bcmcfg_to_wiphy(cfg); ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID); curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); bss = CFG80211_GET_BSS(wiphy, NULL, curbssid, ssid->SSID, ssid->SSID_len); buf = (char *)MALLOCZ(cfg->osh, WL_EXTRA_BUF_MAX); if (!buf) { WL_ERR(("buffer alloc failed.\n")); return BCME_NOMEM; } mutex_lock(&cfg->usr_sync); *(u32 *)buf = htod32(WL_EXTRA_BUF_MAX); err = wldev_ioctl_get(ndev, WLC_GET_BSS_INFO, buf, WL_EXTRA_BUF_MAX); if (unlikely(err)) { WL_ERR(("Could not get bss info %d\n", err)); goto update_bss_info_out; } bi = (wl_bss_info_t *)(buf + 4); channel = wf_chspec_ctlchan(wl_chspec_driver_to_host(bi->chanspec)); wl_update_prof(cfg, ndev, NULL, &channel, WL_PROF_CHAN); if (!bss) { WL_DBG(("Could not find the AP\n")); if (memcmp(bi->BSSID.octet, curbssid, ETHER_ADDR_LEN)) { WL_ERR(("Bssid doesn't match\n")); err = -EIO; goto update_bss_info_out; } err = wl_inform_single_bss(cfg, bi, update_ssid); if (unlikely(err)) goto update_bss_info_out; ie = ((u8 *)bi) + bi->ie_offset; ie_len = bi->ie_length; beacon_interval = cpu_to_le16(bi->beacon_period); } else { WL_DBG(("Found the AP in the list - BSSID %pM\n", bss->bssid)); #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(channel); #else band = (channel <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; freq = ieee80211_channel_to_frequency(channel, band); #endif // endif bss->channel = ieee80211_get_channel(wiphy, freq); #if defined(WL_CFG80211_P2P_DEV_IF) ie = (const u8 *)bss->ies->data; ie_len = bss->ies->len; #else ie = bss->information_elements; ie_len = bss->len_information_elements; #endif /* WL_CFG80211_P2P_DEV_IF */ beacon_interval = bss->beacon_interval; CFG80211_PUT_BSS(wiphy, bss); } tim = bcm_parse_tlvs(ie, ie_len, WLAN_EID_TIM); if (tim) { dtim_period = tim->data[1]; } else { /* * active scan was done so we could not get dtim * information out of probe response. * so we speficially query dtim information. */ dtim_period = 0; err = wldev_ioctl_get(ndev, WLC_GET_DTIMPRD, &dtim_period, sizeof(dtim_period)); if (unlikely(err)) { WL_ERR(("WLC_GET_DTIMPRD error (%d)\n", err)); goto update_bss_info_out; } } wl_update_prof(cfg, ndev, NULL, &beacon_interval, WL_PROF_BEACONINT); wl_update_prof(cfg, ndev, NULL, &dtim_period, WL_PROF_DTIMPERIOD); update_bss_info_out: if (unlikely(err)) { WL_ERR(("Failed with error %d\n", err)); } MFREE(cfg->osh, buf, WL_EXTRA_BUF_MAX); mutex_unlock(&cfg->usr_sync); return err; } static s32 wl_bss_roaming_done(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { struct wl_connect_info *conn_info = wl_to_conn(cfg); s32 err = 0; u8 *curbssid; u32 *channel; scb_val_t scbval; #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct ieee80211_supported_band *band; struct ieee80211_channel *notify_channel = NULL; u32 freq; struct channel_info ci; u32 cur_channel; #endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */ #if (defined(CONFIG_ARCH_MSM) && defined(CFG80211_ROAMED_API_UNIFIED)) || \ (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) || defined(WL_FILS_ROAM_OFFLD) || \ defined(CFG80211_ROAM_API_GE_4_12) struct cfg80211_roam_info roam_info; #endif /* (CONFIG_ARCH_MSM && CFG80211_ROAMED_API_UNIFIED) || LINUX_VERSION >= 4.12.0 */ #if defined(WL_FILS_ROAM_OFFLD) struct wl_fils_info *fils_info = wl_to_fils_info(cfg); struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC); #endif // endif dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); #ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT dhd_if_t *ifp = NULL; #endif /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */ #ifdef WLFBT uint32 data_len = 0; if (data) data_len = ntoh32(e->datalen); #endif /* WLFBT */ BCM_REFERENCE(dhdp); curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN); #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) /* Skip calling cfg80211_roamed If the channels are same and * the current bssid & the new bssid are same * Also clear timer roam_timeout. * Only used on BCM4359 devices. */ bzero(&ci, sizeof(ci)); if ((wldev_ioctl_get(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci))) < 0) { WL_ERR(("Failed to get current channel !")); err = BCME_ERROR; goto fail; } cur_channel = dtoh32(ci.hw_channel); if ((*channel == cur_channel) && ((memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) == 0) || (memcmp(&cfg->last_roamed_addr, &e->addr, ETHER_ADDR_LEN) == 0))) { WL_DBG(("BSS already present, Skipping roamed event to" " upper layer\n")); goto fail; } #endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */ if ((err = wl_get_assoc_ies(cfg, ndev)) != BCME_OK) { DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START), dhd_net2idx(dhdp->info, ndev), WLAN_REASON_DEAUTH_LEAVING); WL_ERR(("Fetching Assoc IEs failed, Skipping roamed event to" " upper layer\n")); /* To make sure disconnect, and fw sync, explictly send dissassoc * for BSSID 00:00:00:00:00:00 issue */ bzero(&scbval, sizeof(scb_val_t)); scbval.val = WLAN_REASON_DEAUTH_LEAVING; memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); scbval.val = htod32(scbval.val); if (wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)) < 0) { WL_ERR(("WLC_DISASSOC error\n")); } goto fail; } wl_update_prof(cfg, ndev, NULL, (const void *)(e->addr.octet), WL_PROF_BSSID); curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); if ((err = wl_update_bss_info(cfg, ndev, true)) != BCME_OK) { WL_ERR(("failed to update bss info, err=%d\n", err)); goto fail; } wl_update_pmklist(ndev, cfg->pmk_list, err); channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN); #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) /* channel info for cfg80211_roamed introduced in 2.6.39-rc1 */ if (*channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; freq = ieee80211_channel_to_frequency(*channel, band->band); notify_channel = ieee80211_get_channel(wiphy, freq); #endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */ #ifdef WLFBT /* back up the given FBT key for the further supplicant request, * currently not checking the FBT is enabled for current BSS in DHD, * because the supplicant decides to take it or not. */ if (data && (data_len == FBT_KEYLEN)) { memcpy(cfg->fbt_key, data, FBT_KEYLEN); } #endif /* WLFBT */ #ifdef CUSTOM_LONG_RETRY_LIMIT if (wl_set_retry(ndev, CUSTOM_LONG_RETRY_LIMIT, 1) < 0) { WL_ERR(("CUSTOM_LONG_RETRY_LIMIT set fail!\n")); } #endif /* CUSTOM_LONG_RETRY_LIMIT */ DHD_STATLOG_CTRL(dhdp, ST(REASSOC_INFORM), dhd_net2idx(dhdp->info, ndev), 0); WL_ERR(("Report roam event to upper layer. " MACDBG " (ch:%d)\n", MAC2STRDBG((const u8*)(&e->addr)), *channel)); wl_cfg80211_check_in4way(cfg, ndev, 0, WL_EXT_STATUS_CONNECTED, NULL); #if (defined(CONFIG_ARCH_MSM) && defined(CFG80211_ROAMED_API_UNIFIED)) || \ (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) || defined(WL_FILS_ROAM_OFFLD) || \ defined(CFG80211_ROAM_API_GE_4_12) memset(&roam_info, 0, sizeof(struct cfg80211_roam_info)); roam_info.channel = notify_channel; roam_info.bssid = curbssid; roam_info.req_ie = conn_info->req_ie; roam_info.req_ie_len = conn_info->req_ie_len; roam_info.resp_ie = conn_info->resp_ie; roam_info.resp_ie_len = conn_info->resp_ie_len; #if defined(WL_FILS_ROAM_OFFLD) if ((sec->auth_type == DOT11_FILS_SKEY_PFS)||(sec->auth_type == DOT11_FILS_SKEY)) { roam_info.fils.kek = fils_info->fils_kek; roam_info.fils.kek_len = fils_info->fils_kek_len; roam_info.fils.update_erp_next_seq_num = true; roam_info.fils.erp_next_seq_num = fils_info->fils_erp_next_seq_num; roam_info.fils.pmk = fils_info->fils_pmk; roam_info.fils.pmk_len = fils_info->fils_kek_len; roam_info.fils.pmkid = fils_info->fils_pmkid; } #endif // endif cfg80211_roamed(ndev, &roam_info, GFP_KERNEL); #else cfg80211_roamed(ndev, #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) notify_channel, #endif // endif curbssid, conn_info->req_ie, conn_info->req_ie_len, conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); #endif /* (CONFIG_ARCH_MSM && CFG80211_ROAMED_API_UNIFIED) || LINUX_VERSION >= 4.12.0 */ memcpy(&cfg->last_roamed_addr, &e->addr, ETHER_ADDR_LEN); wl_set_drv_status(cfg, CONNECTED, ndev); #ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT ifp = dhd_get_ifp(dhdp, e->ifidx); if (ifp) { ifp->post_roam_evt = TRUE; } #endif /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */ return err; fail: #ifdef DHD_LOSSLESS_ROAMING wl_del_roam_timeout(cfg); #endif /* DHD_LOSSLESS_ROAMING */ return err; } static bool wl_cfg80211_verify_bss(struct bcm_cfg80211 *cfg, struct net_device *ndev, struct cfg80211_bss **bss) { struct wiphy *wiphy; struct wlc_ssid *ssid; uint8 *curbssid; int count = 0; int ret = false; u8 cur_ssid[DOT11_MAX_SSID_LEN + 1]; wiphy = bcmcfg_to_wiphy(cfg); ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID); curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); if (!ssid) { WL_ERR(("No SSID found in the saved profile \n")); return false; } do { *bss = CFG80211_GET_BSS(wiphy, NULL, curbssid, ssid->SSID, ssid->SSID_len); if (*bss || (count > 5)) { break; } count++; msleep(100); } while (*bss == NULL); WL_DBG(("cfg80211 bss_ptr:%p loop_cnt:%d\n", *bss, count)); if (*bss) { #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0)) /* Update the reference count after use. In case of kernel version >= 4.7 * the cfg802_put_bss is called in cfg80211_connect_bss context */ CFG80211_PUT_BSS(wiphy, *bss); #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0) */ ret = true; } else { memset(cur_ssid, 0, DOT11_MAX_SSID_LEN); strncpy(cur_ssid, ssid->SSID, MIN(ssid->SSID_len, DOT11_MAX_SSID_LEN)); WL_ERR(("No bss entry for ssid:%s bssid:"MACDBG"\n", cur_ssid, MAC2STRDBG(curbssid))); } return ret; } #ifdef WL_FILS static s32 wl_get_fils_connect_params(struct bcm_cfg80211 *cfg, struct net_device *ndev) { const bcm_xtlv_t* pxtlv_out; struct wl_fils_info *fils_info = wl_to_fils_info(cfg); int err = BCME_OK; bcm_iov_buf_t *iov_buf_in = NULL; bcm_iov_buf_t iov_buf_out = {0}; u16 len; u16 type; const u8 *data; iov_buf_in = MALLOCZ(cfg->osh, WLC_IOCTL_SMLEN); if (!iov_buf_in) { WL_ERR(("buf memory alloc failed\n")); err = BCME_NOMEM; goto exit; } iov_buf_out.version = WL_FILS_IOV_VERSION; iov_buf_out.id = WL_FILS_CMD_GET_CONNECT_PARAMS; err = wldev_iovar_getbuf(ndev, "fils", (uint8*)&iov_buf_out, sizeof(bcm_iov_buf_t), iov_buf_in, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("Get FILS Params Error (%d)\n", err)); goto exit; } pxtlv_out = (bcm_xtlv_t*)((bcm_iov_buf_t*)iov_buf_in)->data; len = iov_buf_in->len; do { if (!bcm_valid_xtlv(pxtlv_out, iov_buf_in->len, BCM_XTLV_OPTION_ALIGN32)) { WL_ERR(("%s: XTLV is not valid\n", __func__)); err = BCME_BADARG; goto exit; } bcm_xtlv_unpack_xtlv(pxtlv_out, &type, &len, &data, BCM_XTLV_OPTION_ALIGN32); switch (type) { case WL_FILS_XTLV_ERP_NEXT_SEQ_NUM: fils_info->fils_erp_next_seq_num = *(const u16 *)data; break; case WL_FILS_XTLV_KEK: if (memcpy_s(fils_info->fils_kek, WL_MAX_FILS_KEY_LEN, data, len) < 0) { err = BCME_BADARG; goto exit; } fils_info->fils_kek_len = len; break; case WL_FILS_XTLV_PMK: if (memcpy_s(fils_info->fils_pmk, WL_MAX_FILS_KEY_LEN, data, len) < 0) { err = BCME_BADARG; goto exit; } fils_info->fils_pmk_len = len; break; case WL_FILS_XTLV_PMKID: if (memcpy_s(fils_info->fils_pmkid, WL_MAX_FILS_KEY_LEN, data, len) < 0) { err = BCME_BADARG; goto exit; } break; default: WL_ERR(("%s: wrong XTLV code\n", __func__)); break; } } while ((pxtlv_out = bcm_next_xtlv(pxtlv_out, (int *)&iov_buf_in->len, BCM_XTLV_OPTION_ALIGN32)) && iov_buf_in->len); exit: if (iov_buf_in) { MFREE(cfg->osh, iov_buf_in, WLC_IOCTL_SMLEN); } return err; } #endif /* WL_FILS */ static s32 wl_bss_connect_done(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data, bool completed) { struct wl_connect_info *conn_info = wl_to_conn(cfg); struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC); s32 err = 0; #ifdef WL_FILS struct cfg80211_connect_resp_params resp_params = {0}; struct wl_fils_info *fils_info = NULL; struct wlc_ssid *ssid = NULL; struct wiphy *wiphy = NULL; #endif /* WL_FILS */ u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); u32 event_type = ntoh32(e->event_type); struct cfg80211_bss *bss = NULL; dhd_pub_t *dhdp; dhdp = (dhd_pub_t *)(cfg->pub); BCM_REFERENCE(dhdp); if (!sec) { WL_ERR(("sec is NULL\n")); return -ENODEV; } WL_DBG((" enter\n")); #ifdef ESCAN_RESULT_PATCH if (wl_get_drv_status(cfg, CONNECTED, ndev)) { if (memcmp(curbssid, connect_req_bssid, ETHER_ADDR_LEN) == 0) { WL_INFORM_MEM((" Connected event of connected device " "e=%d s=%d, ignore it\n", ntoh32(e->event_type), ntoh32(e->status))); return err; } } if (memcmp(curbssid, broad_bssid, ETHER_ADDR_LEN) == 0 && memcmp(broad_bssid, connect_req_bssid, ETHER_ADDR_LEN) != 0) { WL_DBG(("copy bssid\n")); memcpy(curbssid, connect_req_bssid, ETHER_ADDR_LEN); } #else if (cfg->scan_request) { wl_cfg80211_cancel_scan(cfg); } #endif /* ESCAN_RESULT_PATCH */ if (wl_get_drv_status(cfg, CONNECTING, ndev)) { wl_cfg80211_scan_abort(cfg); if (completed) { wl_get_assoc_ies(cfg, ndev); wl_update_prof(cfg, ndev, NULL, (const void *)(e->addr.octet), WL_PROF_BSSID); curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); /* * CFG layer relies on cached IEs (from probe/beacon) to fetch matching bss. * For cases, there is no match available, * need to update the cache based on bss info from fw. */ wl_update_bss_info(cfg, ndev, true); wl_update_pmklist(ndev, cfg->pmk_list, err); wl_set_drv_status(cfg, CONNECTED, ndev); #if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION) if (dhdp->roam_env_detection) wldev_iovar_setint(ndev, "roam_env_detection", AP_ENV_INDETERMINATE); #endif /* ROAM_AP_ENV_DETECTION */ if (ndev != bcmcfg_to_prmry_ndev(cfg)) { #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0) init_completion(&cfg->iface_disable); #else /* reinitialize completion to clear previous count */ INIT_COMPLETION(cfg->iface_disable); #endif // endif } #ifdef CUSTOM_SET_CPUCORE if (wl_get_chan_isvht80(ndev, dhdp)) { if (ndev == bcmcfg_to_prmry_ndev(cfg)) dhdp->chan_isvht80 |= DHD_FLAG_STA_MODE; /* STA mode */ else if (is_p2p_group_iface(ndev->ieee80211_ptr)) dhdp->chan_isvht80 |= DHD_FLAG_P2P_MODE; /* p2p mode */ dhd_set_cpucore(dhdp, TRUE); } #endif /* CUSTOM_SET_CPUCORE */ #ifdef CUSTOM_LONG_RETRY_LIMIT if (wl_set_retry(ndev, CUSTOM_LONG_RETRY_LIMIT, 1) < 0) { WL_ERR(("CUSTOM_LONG_RETRY_LIMIT set fail!\n")); } #endif /* CUSTOM_LONG_RETRY_LIMIT */ bzero(&cfg->last_roamed_addr, ETHER_ADDR_LEN); } wl_clr_drv_status(cfg, CONNECTING, ndev); if (completed && (wl_cfg80211_verify_bss(cfg, ndev, &bss) != true)) { /* If bss entry is not available in the cfg80211 bss cache * the wireless stack will complain and won't populate * wdev->current_bss ptr */ WL_ERR(("BSS entry not found. Indicate assoc event failure\n")); completed = false; sec->auth_assoc_res_status = WLAN_STATUS_UNSPECIFIED_FAILURE; } if (completed) { WL_MSG(ndev->name, "Report connect result - connection succeeded\n"); wl_cfg80211_check_in4way(cfg, ndev, 0, WL_EXT_STATUS_CONNECTED, NULL); } else { WL_MSG(ndev->name, "Report connect result - connection failed\n"); wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED, WL_EXT_STATUS_DISCONNECTED, NULL); } #ifdef WL_FILS if ((sec->auth_type == DOT11_FILS_SKEY_PFS)||(sec->auth_type == DOT11_FILS_SKEY)) { wl_get_fils_connect_params(cfg, ndev); fils_info = wl_to_fils_info(cfg); ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID); wiphy = bcmcfg_to_wiphy(cfg); resp_params.status = completed ? WLAN_STATUS_SUCCESS : (sec->auth_assoc_res_status) ? sec->auth_assoc_res_status : WLAN_STATUS_UNSPECIFIED_FAILURE; resp_params.bssid = curbssid; resp_params.bss = CFG80211_GET_BSS(wiphy, NULL, curbssid, ssid->SSID, ssid->SSID_len); resp_params.req_ie = conn_info->req_ie; resp_params.req_ie_len = conn_info->req_ie_len; resp_params.resp_ie = conn_info->resp_ie; resp_params.resp_ie_len = conn_info->resp_ie_len; #if defined(WL_FILS_ROAM_OFFLD) || (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 18, 0)) resp_params.fils.kek = fils_info->fils_kek; resp_params.fils.kek_len = fils_info->fils_kek_len; resp_params.fils.update_erp_next_seq_num = true; resp_params.fils.erp_next_seq_num = fils_info->fils_erp_next_seq_num; resp_params.fils.pmk = fils_info->fils_pmk; resp_params.fils.pmk_len = fils_info->fils_kek_len; resp_params.fils.pmkid = fils_info->fils_pmkid; #else resp_params.fils_kek = fils_info->fils_kek; resp_params.fils_kek_len = fils_info->fils_kek_len; resp_params.update_erp_next_seq_num = true; resp_params.fils_erp_next_seq_num = fils_info->fils_erp_next_seq_num; resp_params.pmk = fils_info->fils_pmk; resp_params.pmk_len = fils_info->fils_kek_len; resp_params.pmkid = fils_info->fils_pmkid; #endif /* WL_FILS_ROAM_OFFLD */ cfg80211_connect_done(ndev, &resp_params, GFP_KERNEL); } else #endif /* WL_FILS */ { CFG80211_CONNECT_RESULT(ndev, curbssid, bss, conn_info->req_ie, conn_info->req_ie_len, conn_info->resp_ie, conn_info->resp_ie_len, completed ? WLAN_STATUS_SUCCESS : (sec->auth_assoc_res_status) ? sec->auth_assoc_res_status : WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); } } else { WL_INFORM_MEM(("[%s] Ignore event:%d. drv status" " connecting:%x. connected:%d\n", ndev->name, event_type, wl_get_drv_status(cfg, CONNECTING, ndev), wl_get_drv_status(cfg, CONNECTED, ndev))); } #ifdef CONFIG_TCPACK_FASTTX if (wl_get_chan_isvht80(ndev, dhdp)) wldev_iovar_setint(ndev, "tcpack_fast_tx", 0); else wldev_iovar_setint(ndev, "tcpack_fast_tx", 1); #endif /* CONFIG_TCPACK_FASTTX */ return err; } static s32 wl_notify_mic_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct net_device *ndev = NULL; u16 flags = ntoh16(e->flags); enum nl80211_key_type key_type; ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); WL_INFORM_MEM(("[%s] mic fail event - " MACDBG " \n", ndev->name, MAC2STRDBG(e->addr.octet))); mutex_lock(&cfg->usr_sync); if (flags & WLC_EVENT_MSG_GROUP) key_type = NL80211_KEYTYPE_GROUP; else key_type = NL80211_KEYTYPE_PAIRWISE; wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL); cfg80211_michael_mic_failure(ndev, (const u8 *)&e->addr, key_type, -1, NULL, GFP_KERNEL); mutex_unlock(&cfg->usr_sync); return 0; } #ifdef BT_WIFI_HANDOVER static s32 wl_notify_bt_wifi_handover_req(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct net_device *ndev = NULL; u32 event = ntoh32(e->event_type); u32 datalen = ntoh32(e->datalen); s32 err; WL_ERR(("wl_notify_bt_wifi_handover_req: event_type : %d, datalen : %d\n", event, datalen)); ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); err = wl_genl_send_msg(ndev, event, data, (u16)datalen, 0, 0); return err; } #endif /* BT_WIFI_HANDOVER */ static s32 wl_frame_get_mgmt(struct bcm_cfg80211 *cfg, u16 fc, const struct ether_addr *da, const struct ether_addr *sa, const struct ether_addr *bssid, u8 **pheader, u32 *body_len, u8 *pbody) { struct dot11_management_header *hdr; u32 totlen = 0; s32 err = 0; u8 *offset; u32 prebody_len = *body_len; switch (fc) { case FC_ASSOC_REQ: /* capability , listen interval */ totlen = DOT11_ASSOC_REQ_FIXED_LEN; *body_len += DOT11_ASSOC_REQ_FIXED_LEN; break; case FC_REASSOC_REQ: /* capability, listen inteval, ap address */ totlen = DOT11_REASSOC_REQ_FIXED_LEN; *body_len += DOT11_REASSOC_REQ_FIXED_LEN; break; } totlen += DOT11_MGMT_HDR_LEN + prebody_len; *pheader = (u8 *)MALLOCZ(cfg->osh, totlen); if (*pheader == NULL) { WL_ERR(("memory alloc failed \n")); return -ENOMEM; } hdr = (struct dot11_management_header *) (*pheader); hdr->fc = htol16(fc); hdr->durid = 0; hdr->seq = 0; offset = (u8*)(hdr + 1) + (totlen - DOT11_MGMT_HDR_LEN - prebody_len); bcopy((const char*)da, (u8*)&hdr->da, ETHER_ADDR_LEN); bcopy((const char*)sa, (u8*)&hdr->sa, ETHER_ADDR_LEN); bcopy((const char*)bssid, (u8*)&hdr->bssid, ETHER_ADDR_LEN); if ((pbody != NULL) && prebody_len) bcopy((const char*)pbody, offset, prebody_len); *body_len = totlen; return err; } #ifdef WL_CFG80211_GON_COLLISION static void wl_gon_req_collision(struct bcm_cfg80211 *cfg, wl_action_frame_t *tx_act_frm, wifi_p2p_pub_act_frame_t *rx_act_frm, struct net_device *ndev, struct ether_addr sa, struct ether_addr da) { if (cfg->afx_hdl->pending_tx_act_frm == NULL) return; if (tx_act_frm && wl_cfgp2p_is_pub_action(tx_act_frm->data, tx_act_frm->len)) { wifi_p2p_pub_act_frame_t *pact_frm; pact_frm = (wifi_p2p_pub_act_frame_t *)tx_act_frm->data; if (!(pact_frm->subtype == P2P_PAF_GON_REQ && rx_act_frm->subtype == P2P_PAF_GON_REQ)) { return; } } WL_ERR((" GO NEGO Request COLLISION !!! \n")); /* if sa(peer) addr is less than da(my) addr, * my device will process peer's gon request and block to send my gon req. * * if not (sa addr > da addr), * my device will process gon request and drop gon req of peer. */ if (memcmp(sa.octet, da.octet, ETHER_ADDR_LEN) < 0) { /* block to send tx gon request */ cfg->block_gon_req_tx_count = BLOCK_GON_REQ_MAX_NUM; WL_ERR((" block to send gon req tx !!!\n")); /* if we are finding a common channel for sending af, * do not scan more to block to send current gon req */ if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) { wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, ndev); complete(&cfg->act_frm_scan); } } else { /* drop gon request of peer to process gon request by my device. */ WL_ERR((" drop to receive gon req rx !!! \n")); cfg->block_gon_req_rx_count = BLOCK_GON_REQ_MAX_NUM; } return; } #endif /* WL_CFG80211_GON_COLLISION */ void wl_stop_wait_next_action_frame(struct bcm_cfg80211 *cfg, struct net_device *ndev, u8 bsscfgidx) { s32 err = 0; if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) { if (timer_pending(&cfg->p2p->listen_timer)) { del_timer_sync(&cfg->p2p->listen_timer); } if (cfg->afx_hdl != NULL) { if (cfg->afx_hdl->dev != NULL) { wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev); wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, cfg->afx_hdl->dev); } cfg->afx_hdl->peer_chan = WL_INVALID; } complete(&cfg->act_frm_scan); WL_DBG(("*** Wake UP ** Working afx searching is cleared\n")); } else if (wl_get_drv_status_all(cfg, SENDING_ACT_FRM)) { if (!(wl_get_p2p_status(cfg, ACTION_TX_COMPLETED) || wl_get_p2p_status(cfg, ACTION_TX_NOACK))) wl_set_p2p_status(cfg, ACTION_TX_COMPLETED); WL_DBG(("*** Wake UP ** abort actframe iovar on bsscfxidx %d\n", bsscfgidx)); /* Scan engine is not used for sending action frames in the latest driver * branches. actframe_abort is used in the latest driver branches * instead of scan abort. * If actframe_abort iovar succeeds, don't execute scan abort. * If actframe_abort fails with unsupported error, * execute scan abort (for backward copmatibility). */ if (cfg->af_sent_channel) { err = wldev_iovar_setint_bsscfg(ndev, "actframe_abort", 1, bsscfgidx); if (err < 0) { if (err == BCME_UNSUPPORTED) { wl_cfg80211_scan_abort(cfg); } else { WL_ERR(("actframe_abort failed. ret:%d\n", err)); } } } } #ifdef WL_CFG80211_SYNC_GON else if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN)) { WL_DBG(("*** Wake UP ** abort listen for next af frame\n")); /* So abort scan to cancel listen */ wl_cfg80211_scan_abort(cfg); } #endif /* WL_CFG80211_SYNC_GON */ } #if defined(WLTDLS) bool wl_cfg80211_is_tdls_tunneled_frame(void *frame, u32 frame_len) { unsigned char *data; if (frame == NULL) { WL_ERR(("Invalid frame \n")); return false; } if (frame_len < 5) { WL_ERR(("Invalid frame length [%d] \n", frame_len)); return false; } data = frame; if (!memcmp(data, TDLS_TUNNELED_PRB_REQ, 5) || !memcmp(data, TDLS_TUNNELED_PRB_RESP, 5)) { WL_DBG(("TDLS Vendor Specific Received type\n")); return true; } return false; } #endif /* WLTDLS */ int wl_cfg80211_get_ioctl_version(void) { return ioctl_version; } static s32 wl_notify_rx_mgmt_frame(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct ieee80211_supported_band *band; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct ether_addr da; struct ether_addr bssid; bool isfree = false; s32 err = 0; s32 freq; struct net_device *ndev = NULL; wifi_p2p_pub_act_frame_t *act_frm = NULL; wifi_p2p_action_frame_t *p2p_act_frm = NULL; wifi_p2psd_gas_pub_act_frame_t *sd_act_frm = NULL; wl_event_rx_frame_data_t *rxframe; u32 event; u8 *mgmt_frame; u8 bsscfgidx; u32 mgmt_frame_len; u16 channel; #if defined(TDLS_MSG_ONLY_WFD) && defined(WLTDLS) dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); #endif /* BCMDONGLEHOST && TDLS_MSG_ONLY_WFD && WLTDLS */ if (ntoh32(e->datalen) < sizeof(wl_event_rx_frame_data_t)) { WL_ERR(("wrong datalen:%d\n", ntoh32(e->datalen))); return -EINVAL; } mgmt_frame_len = ntoh32(e->datalen) - (uint32)sizeof(wl_event_rx_frame_data_t); event = ntoh32(e->event_type); bsscfgidx = e->bsscfgidx; rxframe = (wl_event_rx_frame_data_t *)data; if (!rxframe) { WL_ERR(("rxframe: NULL\n")); return -EINVAL; } channel = (ntoh16(rxframe->channel) & WL_CHANSPEC_CHAN_MASK); bzero(&bssid, ETHER_ADDR_LEN); ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); if ((ndev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) && (event == WLC_E_PROBREQ_MSG)) { struct net_info *iter, *next; GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev && iter->wdev && iter->wdev->iftype == NL80211_IFTYPE_AP) { ndev = iter->ndev; cfgdev = ndev_to_cfgdev(ndev); break; } } } if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band\n")); return -EINVAL; } #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(channel, band->band); #endif // endif if (event == WLC_E_ACTION_FRAME_RX) { u8 ioctl_buf[WLC_IOCTL_SMLEN]; if ((err = wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr", NULL, 0, ioctl_buf, sizeof(ioctl_buf), bsscfgidx, NULL)) != BCME_OK) { WL_ERR(("WLC_GET_CUR_ETHERADDR failed, error %d\n", err)); goto exit; } err = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN); if (err < 0) WL_ERR(("WLC_GET_BSSID error %d\n", err)); memcpy(da.octet, ioctl_buf, ETHER_ADDR_LEN); err = wl_frame_get_mgmt(cfg, FC_ACTION, &da, &e->addr, &bssid, &mgmt_frame, &mgmt_frame_len, (u8 *)((wl_event_rx_frame_data_t *)rxframe + 1)); if (err < 0) { WL_ERR(("Error in receiving action frame len %d channel %d freq %d\n", mgmt_frame_len, channel, freq)); goto exit; } isfree = true; if (wl_cfgp2p_is_pub_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN)) { act_frm = (wifi_p2p_pub_act_frame_t *) (&mgmt_frame[DOT11_MGMT_HDR_LEN]); } else if (wl_cfgp2p_is_p2p_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN)) { p2p_act_frm = (wifi_p2p_action_frame_t *) (&mgmt_frame[DOT11_MGMT_HDR_LEN]); (void) p2p_act_frm; } else if (wl_cfgp2p_is_gas_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN)) { sd_act_frm = (wifi_p2psd_gas_pub_act_frame_t *) (&mgmt_frame[DOT11_MGMT_HDR_LEN]); if (sd_act_frm && wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) { if (cfg->next_af_subtype == sd_act_frm->action) { WL_DBG(("We got a right next frame of SD!(%d)\n", sd_act_frm->action)); wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev); /* Stop waiting for next AF. */ wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx); } } (void) sd_act_frm; #ifdef WLTDLS } else if ((mgmt_frame[DOT11_MGMT_HDR_LEN] == TDLS_AF_CATEGORY) || (wl_cfg80211_is_tdls_tunneled_frame( &mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN))) { if (mgmt_frame[DOT11_MGMT_HDR_LEN] == TDLS_AF_CATEGORY) { WL_ERR((" TDLS Action Frame Received type = %d \n", mgmt_frame[DOT11_MGMT_HDR_LEN + 1])); } #ifdef TDLS_MSG_ONLY_WFD if (!dhdp->tdls_mode) { WL_DBG((" TDLS Frame filtered \n")); goto exit; } #else if (mgmt_frame[DOT11_MGMT_HDR_LEN + 1] == TDLS_ACTION_SETUP_RESP) { cfg->tdls_mgmt_frame = mgmt_frame; cfg->tdls_mgmt_frame_len = mgmt_frame_len; cfg->tdls_mgmt_freq = freq; return 0; } #endif /* TDLS_MSG_ONLY_WFD */ #endif /* WLTDLS */ #ifdef QOS_MAP_SET } else if (mgmt_frame[DOT11_MGMT_HDR_LEN] == DOT11_ACTION_CAT_QOS) { /* update QoS map set table */ bcm_tlv_t * qos_map_ie = NULL; if ((qos_map_ie = bcm_parse_tlvs(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN, DOT11_MNG_QOS_MAP_ID)) != NULL) { WL_DBG((" QoS map set IE found in QoS action frame\n")); if (!cfg->up_table) { cfg->up_table = (uint8 *)MALLOC(cfg->osh, UP_TABLE_MAX); } wl_set_up_table(cfg->up_table, qos_map_ie); } else { MFREE(cfg->osh, cfg->up_table, UP_TABLE_MAX); } #endif /* QOS_MAP_SET */ } else { /* * if we got normal action frame and ndev is p2p0, * we have to change ndev from p2p0 to wlan0 */ if (cfg->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { u8 action = 0; if (wl_get_public_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN, &action) != BCME_OK) { WL_DBG(("Recived action is not public action frame\n")); } else if (cfg->next_af_subtype == action) { WL_DBG(("Recived action is the waiting action(%d)\n", action)); wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev); /* Stop waiting for next AF. */ wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx); } } } if (act_frm) { #ifdef WL_CFG80211_GON_COLLISION if (act_frm->subtype == P2P_PAF_GON_REQ) { wl_gon_req_collision(cfg, &cfg->afx_hdl->pending_tx_act_frm->action_frame, act_frm, ndev, e->addr, da); if (cfg->block_gon_req_rx_count) { WL_ERR(("drop frame GON Req Rx : count (%d)\n", cfg->block_gon_req_rx_count)); cfg->block_gon_req_rx_count--; goto exit; } } else if (act_frm->subtype == P2P_PAF_GON_CONF) { /* if go formation done, clear it */ cfg->block_gon_req_tx_count = 0; cfg->block_gon_req_rx_count = 0; } #endif /* WL_CFG80211_GON_COLLISION */ if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) { if (cfg->next_af_subtype == act_frm->subtype) { WL_DBG(("We got a right next frame!(%d)\n", act_frm->subtype)); wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev); if (cfg->next_af_subtype == P2P_PAF_GON_CONF) { OSL_SLEEP(20); } /* Stop waiting for next AF. */ wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx); } else if ((cfg->next_af_subtype == P2P_PAF_GON_RSP) && (act_frm->subtype == P2P_PAF_GON_REQ)) { /* If current received frame is GO NEG REQ and next * expected frame is GO NEG RESP, do not send it up. */ WL_ERR(("GO Neg req received while waiting for RESP." "Discard incoming frame\n")); goto exit; } } } wl_cfgp2p_print_actframe(false, &mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN, channel); if (act_frm && (act_frm->subtype == P2P_PAF_GON_CONF)) { WL_DBG(("P2P: GO_NEG_PHASE status cleared \n")); wl_clr_p2p_status(cfg, GO_NEG_PHASE); } } else if (event == WLC_E_PROBREQ_MSG) { /* Handle probe reqs frame * WPS-AP certification 4.2.13 */ struct parsed_ies prbreq_ies; u32 prbreq_ie_len = 0; bool pbc = 0; WL_DBG((" Event WLC_E_PROBREQ_MSG received\n")); mgmt_frame = (u8 *)(data); mgmt_frame_len = ntoh32(e->datalen); if (mgmt_frame_len < DOT11_MGMT_HDR_LEN) { WL_ERR(("wrong datalen:%d\n", mgmt_frame_len)); return -EINVAL; } prbreq_ie_len = mgmt_frame_len - DOT11_MGMT_HDR_LEN; /* Parse prob_req IEs */ if (wl_cfg80211_parse_ies(&mgmt_frame[DOT11_MGMT_HDR_LEN], prbreq_ie_len, &prbreq_ies) < 0) { WL_ERR(("Prob req get IEs failed\n")); return 0; } if (prbreq_ies.wps_ie != NULL) { wl_validate_wps_ie( (const char *)prbreq_ies.wps_ie, prbreq_ies.wps_ie_len, &pbc); WL_DBG((" wps_ie exist pbc = %d\n", pbc)); /* if pbc method, send prob_req mgmt frame to upper layer */ if (!pbc) return 0; } else return 0; } else { mgmt_frame = (u8 *)((wl_event_rx_frame_data_t *)rxframe + 1); /* wpa supplicant use probe request event for restarting another GON Req. * but it makes GON Req repetition. * so if src addr of prb req is same as my target device, * do not send probe request event during sending action frame. */ if (event == WLC_E_P2P_PROBREQ_MSG) { WL_DBG((" Event %s\n", (event == WLC_E_P2P_PROBREQ_MSG) ? "WLC_E_P2P_PROBREQ_MSG":"WLC_E_PROBREQ_MSG")); #ifdef WL_CFG80211_USE_PRB_REQ_FOR_AF_TX if (WL_DRV_STATUS_SENDING_AF_FRM_EXT(cfg) && !memcmp(cfg->afx_hdl->tx_dst_addr.octet, e->addr.octet, ETHER_ADDR_LEN)) { if (cfg->afx_hdl->pending_tx_act_frm && wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) { s32 channel = CHSPEC_CHANNEL(hton16(rxframe->channel)); WL_DBG(("PROBE REQUEST : Peer found, channel : %d\n", channel)); cfg->afx_hdl->peer_chan = channel; complete(&cfg->act_frm_scan); } } #endif /* WL_CFG80211_USE_PRB_REQ_FOR_AF_TX */ /* Filter any P2P probe reqs arriving during the * GO-NEG Phase */ if (cfg->p2p && #if defined(P2P_IE_MISSING_FIX) cfg->p2p_prb_noti && #endif // endif wl_get_p2p_status(cfg, GO_NEG_PHASE)) { WL_DBG(("Filtering P2P probe_req while " "being in GO-Neg state\n")); return 0; } } } if (discover_cfgdev(cfgdev, cfg)) WL_DBG(("Rx Managment frame For P2P Discovery Interface \n")); else WL_DBG(("Rx Managment frame For Iface (%s) \n", ndev->name)); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, 0, GFP_ATOMIC); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \ defined(WL_COMPAT_WIRELESS) cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); #else cfg80211_rx_mgmt(cfgdev, freq, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); #endif /* LINUX_VERSION >= VERSION(3, 18, 0) */ WL_DBG(("mgmt_frame_len (%d) , e->datalen (%d), channel (%d), freq (%d)\n", mgmt_frame_len, ntoh32(e->datalen), channel, freq)); exit: if (isfree) { MFREE(cfg->osh, mgmt_frame, mgmt_frame_len); } return err; } static void wl_init_conf(struct wl_conf *conf) { WL_DBG(("Enter \n")); conf->frag_threshold = (u32)-1; conf->rts_threshold = (u32)-1; conf->retry_short = (u32)-1; conf->retry_long = (u32)-1; conf->tx_power = -1; } static void wl_init_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev) { unsigned long flags; struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev); if (!profile) { WL_ERR(("profile null\n")); return; } WL_CFG_DRV_LOCK(&cfg->cfgdrv_lock, flags); bzero(profile, sizeof(struct wl_profile)); WL_CFG_DRV_UNLOCK(&cfg->cfgdrv_lock, flags); } static void wl_init_event_handler(struct bcm_cfg80211 *cfg) { bzero(cfg->evt_handler, sizeof(cfg->evt_handler)); cfg->evt_handler[WLC_E_SCAN_COMPLETE] = wl_notify_scan_status; cfg->evt_handler[WLC_E_AUTH] = wl_notify_connect_status; cfg->evt_handler[WLC_E_ASSOC] = wl_notify_connect_status; cfg->evt_handler[WLC_E_LINK] = wl_notify_connect_status; cfg->evt_handler[WLC_E_DEAUTH_IND] = wl_notify_connect_status; cfg->evt_handler[WLC_E_DEAUTH] = wl_notify_connect_status; cfg->evt_handler[WLC_E_DISASSOC_IND] = wl_notify_connect_status; cfg->evt_handler[WLC_E_ASSOC_IND] = wl_notify_connect_status; cfg->evt_handler[WLC_E_REASSOC_IND] = wl_notify_connect_status; cfg->evt_handler[WLC_E_ROAM] = wl_notify_roaming_status; cfg->evt_handler[WLC_E_MIC_ERROR] = wl_notify_mic_status; cfg->evt_handler[WLC_E_SET_SSID] = wl_notify_connect_status; cfg->evt_handler[WLC_E_ACTION_FRAME_RX] = wl_notify_rx_mgmt_frame; cfg->evt_handler[WLC_E_PROBREQ_MSG] = wl_notify_rx_mgmt_frame; cfg->evt_handler[WLC_E_P2P_PROBREQ_MSG] = wl_notify_rx_mgmt_frame; cfg->evt_handler[WLC_E_P2P_DISC_LISTEN_COMPLETE] = wl_cfgp2p_listen_complete; cfg->evt_handler[WLC_E_ACTION_FRAME_COMPLETE] = wl_cfgp2p_action_tx_complete; cfg->evt_handler[WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE] = wl_cfgp2p_action_tx_complete; cfg->evt_handler[WLC_E_JOIN] = wl_notify_connect_status; cfg->evt_handler[WLC_E_START] = wl_notify_connect_status; cfg->evt_handler[WLC_E_AUTH_IND] = wl_notify_connect_status; cfg->evt_handler[WLC_E_ASSOC_RESP_IE] = wl_notify_connect_status; #ifdef PNO_SUPPORT cfg->evt_handler[WLC_E_PFN_NET_FOUND] = wl_notify_pfn_status; #endif /* PNO_SUPPORT */ #ifdef GSCAN_SUPPORT cfg->evt_handler[WLC_E_PFN_BEST_BATCHING] = wl_notify_gscan_event; cfg->evt_handler[WLC_E_PFN_SCAN_COMPLETE] = wl_notify_gscan_event; cfg->evt_handler[WLC_E_PFN_GSCAN_FULL_RESULT] = wl_notify_gscan_event; cfg->evt_handler[WLC_E_PFN_BSSID_NET_FOUND] = wl_notify_gscan_event; cfg->evt_handler[WLC_E_PFN_BSSID_NET_LOST] = wl_notify_gscan_event; cfg->evt_handler[WLC_E_PFN_SSID_EXT] = wl_notify_gscan_event; cfg->evt_handler[WLC_E_GAS_FRAGMENT_RX] = wl_notify_gscan_event; cfg->evt_handler[WLC_E_ROAM_EXP_EVENT] = wl_handle_roam_exp_event; #endif /* GSCAN_SUPPORT */ #ifdef RSSI_MONITOR_SUPPORT cfg->evt_handler[WLC_E_RSSI_LQM] = wl_handle_rssi_monitor_event; #endif /* RSSI_MONITOR_SUPPORT */ #ifdef WLTDLS cfg->evt_handler[WLC_E_TDLS_PEER_EVENT] = wl_tdls_event_handler; #endif /* WLTDLS */ cfg->evt_handler[WLC_E_BSSID] = wl_notify_roaming_status; #ifdef WL_RELMCAST cfg->evt_handler[WLC_E_RMC_EVENT] = wl_notify_rmc_status; #endif /* WL_RELMCAST */ #ifdef BT_WIFI_HANDOVER cfg->evt_handler[WLC_E_BT_WIFI_HANDOVER_REQ] = wl_notify_bt_wifi_handover_req; #endif // endif #ifdef WL_NAN cfg->evt_handler[WLC_E_NAN_CRITICAL] = wl_cfgnan_notify_nan_status; cfg->evt_handler[WLC_E_NAN_NON_CRITICAL] = wl_cfgnan_notify_nan_status; #endif /* WL_NAN */ cfg->evt_handler[WLC_E_CSA_COMPLETE_IND] = wl_csa_complete_ind; cfg->evt_handler[WLC_E_AP_STARTED] = wl_ap_start_ind; #ifdef CUSTOM_EVENT_PM_WAKE cfg->evt_handler[WLC_E_EXCESS_PM_WAKE_EVENT] = wl_check_pmstatus; #endif /* CUSTOM_EVENT_PM_WAKE */ #if defined(DHD_LOSSLESS_ROAMING) || defined(DBG_PKT_MON) cfg->evt_handler[WLC_E_ROAM_PREP] = wl_notify_roam_prep_status; #endif /* DHD_LOSSLESS_ROAMING || DBG_PKT_MON */ cfg->evt_handler[WLC_E_ROAM_START] = wl_notify_roam_start_status; cfg->evt_handler[WLC_E_PSK_SUP] = wl_cfg80211_sup_event_handler; #ifdef WL_BCNRECV cfg->evt_handler[WLC_E_BCNRECV_ABORTED] = wl_bcnrecv_aborted_event_handler; #endif /* WL_BCNRECV */ #ifdef WL_MBO cfg->evt_handler[WLC_E_MBO] = wl_mbo_event_handler; #endif /* WL_MBO */ #ifdef WL_CAC_TS cfg->evt_handler[WLC_E_ADDTS_IND] = wl_cfg80211_cac_event_handler; cfg->evt_handler[WLC_E_DELTS_IND] = wl_cfg80211_cac_event_handler; #endif /* WL_CAC_TS */ #if defined(WL_MBO) || defined(WL_OCE) cfg->evt_handler[WLC_E_PRUNE] = wl_bssid_prune_event_handler; #endif /* WL_MBO || WL_OCE */ #ifdef RTT_SUPPORT cfg->evt_handler[WLC_E_PROXD] = wl_cfg80211_rtt_event_handler; #endif // endif #ifdef WL_CHAN_UTIL cfg->evt_handler[WLC_E_BSS_LOAD] = wl_cfg80211_bssload_report_event_handler; #endif /* WL_CHAN_UTIL */ #ifdef WL_CLIENT_SAE cfg->evt_handler[WLC_E_JOIN_START] = wl_notify_start_auth; #endif /* WL_CLIENT_SAE */ } #ifdef WL_CLIENT_SAE /** Called by the cfg80211 framework */ static s32 wl_cfg80211_external_auth(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_external_auth_params *ext_auth_param) { int err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); wl_assoc_mgr_cmd_t cmd; WL_DBG(("Enter\n")); if (!ext_auth_param || ETHER_ISNULLADDR(ext_auth_param->bssid)) { WL_ERR(("Invalid wl_cfg80211_external_auth param\n")); return -EINVAL; } cmd.version = WL_ASSOC_MGR_CURRENT_VERSION; cmd.length = sizeof(cmd); cmd.cmd = WL_ASSOC_MGR_CMD_PAUSE_ON_EVT; cmd.params = WL_ASSOC_MGR_PARAMS_EVENT_NONE; err = wldev_iovar_setbuf(ndev, "assoc_mgr_cmd", (void *)&cmd, sizeof(cmd), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("Failed to pause assoc(%d)\n", err)); } return err; } #endif /* WL_CLIENT_SAE */ #if defined(STATIC_WL_PRIV_STRUCT) static int wl_init_escan_result_buf(struct bcm_cfg80211 *cfg) { #ifdef DUAL_ESCAN_RESULT_BUFFER cfg->escan_info.escan_buf[0] = DHD_OS_PREALLOC(cfg->pub, DHD_PREALLOC_WIPHY_ESCAN0, ESCAN_BUF_SIZE); if (cfg->escan_info.escan_buf[0] == NULL) { WL_ERR(("Failed to alloc ESCAN_BUF0\n")); return -ENOMEM; } cfg->escan_info.escan_buf[1] = DHD_OS_PREALLOC(cfg->pub, DHD_PREALLOC_WIPHY_ESCAN1, ESCAN_BUF_SIZE); if (cfg->escan_info.escan_buf[1] == NULL) { WL_ERR(("Failed to alloc ESCAN_BUF1\n")); return -ENOMEM; } bzero(cfg->escan_info.escan_buf[0], ESCAN_BUF_SIZE); bzero(cfg->escan_info.escan_buf[1], ESCAN_BUF_SIZE); cfg->escan_info.escan_type[0] = 0; cfg->escan_info.escan_type[1] = 0; #else cfg->escan_info.escan_buf = DHD_OS_PREALLOC(cfg->pub, DHD_PREALLOC_WIPHY_ESCAN0, ESCAN_BUF_SIZE); if (cfg->escan_info.escan_buf == NULL) { WL_ERR(("Failed to alloc ESCAN_BUF\n")); return -ENOMEM; } bzero(cfg->escan_info.escan_buf, ESCAN_BUF_SIZE); #endif /* DUAL_ESCAN_RESULT_BUFFER */ return 0; } static void wl_deinit_escan_result_buf(struct bcm_cfg80211 *cfg) { #ifdef DUAL_ESCAN_RESULT_BUFFER if (cfg->escan_info.escan_buf[0] != NULL) { cfg->escan_info.escan_buf[0] = NULL; cfg->escan_info.escan_type[0] = 0; } if (cfg->escan_info.escan_buf[1] != NULL) { cfg->escan_info.escan_buf[1] = NULL; cfg->escan_info.escan_type[1] = 0; } #else if (cfg->escan_info.escan_buf != NULL) { cfg->escan_info.escan_buf = NULL; } #endif /* DUAL_ESCAN_RESULT_BUFFER */ } #endif /* STATIC_WL_PRIV_STRUCT */ static s32 wl_init_priv_mem(struct bcm_cfg80211 *cfg) { WL_DBG(("Enter \n")); cfg->scan_results = (struct wl_scan_results *)MALLOCZ(cfg->osh, WL_SCAN_BUF_MAX); if (unlikely(!cfg->scan_results)) { WL_ERR(("Scan results alloc failed\n")); goto init_priv_mem_out; } cfg->conf = (struct wl_conf *)MALLOCZ(cfg->osh, sizeof(*cfg->conf)); if (unlikely(!cfg->conf)) { WL_ERR(("wl_conf alloc failed\n")); goto init_priv_mem_out; } cfg->scan_req_int = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->scan_req_int)); if (unlikely(!cfg->scan_req_int)) { WL_ERR(("Scan req alloc failed\n")); goto init_priv_mem_out; } cfg->ioctl_buf = (u8 *)MALLOCZ(cfg->osh, WLC_IOCTL_MAXLEN); if (unlikely(!cfg->ioctl_buf)) { WL_ERR(("Ioctl buf alloc failed\n")); goto init_priv_mem_out; } cfg->escan_ioctl_buf = (void *)MALLOCZ(cfg->osh, WLC_IOCTL_MAXLEN); if (unlikely(!cfg->escan_ioctl_buf)) { WL_ERR(("Ioctl buf alloc failed\n")); goto init_priv_mem_out; } cfg->extra_buf = (void *)MALLOCZ(cfg->osh, WL_EXTRA_BUF_MAX); if (unlikely(!cfg->extra_buf)) { WL_ERR(("Extra buf alloc failed\n")); goto init_priv_mem_out; } cfg->pmk_list = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->pmk_list)); if (unlikely(!cfg->pmk_list)) { WL_ERR(("pmk list alloc failed\n")); goto init_priv_mem_out; } #if defined(STATIC_WL_PRIV_STRUCT) cfg->conn_info = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->conn_info)); if (unlikely(!cfg->conn_info)) { WL_ERR(("cfg->conn_info alloc failed\n")); goto init_priv_mem_out; } cfg->ie = (void *)MALLOC(cfg->osh, sizeof(*cfg->ie)); if (unlikely(!cfg->ie)) { WL_ERR(("cfg->ie alloc failed\n")); goto init_priv_mem_out; } if (unlikely(wl_init_escan_result_buf(cfg))) { WL_ERR(("Failed to init escan resul buf\n")); goto init_priv_mem_out; } #endif /* STATIC_WL_PRIV_STRUCT */ cfg->afx_hdl = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->afx_hdl)); if (unlikely(!cfg->afx_hdl)) { WL_ERR(("afx hdl alloc failed\n")); goto init_priv_mem_out; } else { init_completion(&cfg->act_frm_scan); init_completion(&cfg->wait_next_af); INIT_WORK(&cfg->afx_hdl->work, wl_cfg80211_afx_handler); } #ifdef WLTDLS if (cfg->tdls_mgmt_frame) { MFREE(cfg->osh, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len); cfg->tdls_mgmt_frame = NULL; cfg->tdls_mgmt_frame_len = 0; } #endif /* WLTDLS */ return 0; init_priv_mem_out: wl_deinit_priv_mem(cfg); return -ENOMEM; } static void wl_deinit_priv_mem(struct bcm_cfg80211 *cfg) { MFREE(cfg->osh, cfg->scan_results, WL_SCAN_BUF_MAX); MFREE(cfg->osh, cfg->conf, sizeof(*cfg->conf)); MFREE(cfg->osh, cfg->scan_req_int, sizeof(*cfg->scan_req_int)); MFREE(cfg->osh, cfg->ioctl_buf, WLC_IOCTL_MAXLEN); MFREE(cfg->osh, cfg->escan_ioctl_buf, WLC_IOCTL_MAXLEN); MFREE(cfg->osh, cfg->extra_buf, WL_EXTRA_BUF_MAX); MFREE(cfg->osh, cfg->pmk_list, sizeof(*cfg->pmk_list)); #if defined(STATIC_WL_PRIV_STRUCT) MFREE(cfg->osh, cfg->conn_info, sizeof(*cfg->conn_info)); MFREE(cfg->osh, cfg->ie, sizeof(*cfg->ie)); wl_deinit_escan_result_buf(cfg); #endif /* STATIC_WL_PRIV_STRUCT */ if (cfg->afx_hdl) { cancel_work_sync(&cfg->afx_hdl->work); MFREE(cfg->osh, cfg->afx_hdl, sizeof(*cfg->afx_hdl)); } } static s32 wl_create_event_handler(struct bcm_cfg80211 *cfg) { int ret = 0; WL_DBG(("Enter \n")); /* Allocate workqueue for event */ if (!cfg->event_workq) { cfg->event_workq = alloc_workqueue("dhd_eventd", WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_UNBOUND, 1); } if (!cfg->event_workq) { WL_ERR(("event_workq alloc_workqueue failed\n")); ret = -ENOMEM; } else { INIT_WORK(&cfg->event_work, wl_event_handler); } return ret; } static void wl_destroy_event_handler(struct bcm_cfg80211 *cfg) { if (cfg && cfg->event_workq) { cancel_work_sync(&cfg->event_work); destroy_workqueue(cfg->event_workq); cfg->event_workq = NULL; } } void wl_terminate_event_handler(struct net_device *dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); if (cfg) { wl_destroy_event_handler(cfg); wl_flush_eq(cfg); } } #ifdef DHD_LOSSLESS_ROAMING static void wl_del_roam_timeout(struct bcm_cfg80211 *cfg) { dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); /* restore prec_map to ALLPRIO */ dhdp->dequeue_prec_map = ALLPRIO; if (timer_pending(&cfg->roam_timeout)) { del_timer_sync(&cfg->roam_timeout); } } static void wl_roam_timeout(unsigned long data) { struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data; dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); WL_ERR(("roam timer expired\n")); /* restore prec_map to ALLPRIO */ dhdp->dequeue_prec_map = ALLPRIO; } #endif /* DHD_LOSSLESS_ROAMING */ #if defined(CONFIG_WLAN_BEYONDX) || defined(CONFIG_SEC_5GMODEL) #define CP_CHAN_INFO_RAT_MODE_LTE 3 #define CP_CHAN_INFO_RAT_MODE_NR5G 7 int g_mhs_chan_for_cpcoex = 0; struct __packed cam_cp_noti_info { u8 rat; u32 band; u32 channel; }; int wl_cfg80211_send_msg_to_ril() { int id, buf = 1; id = IPC_SYSTEM_CP_CHANNEL_INFO; dev_ril_bridge_send_msg(id, sizeof(int), &buf); WL_ERR(("[BeyondX] send message to ril.\n")); OSL_SLEEP(500); return 0; } int wl_cfg80211_ril_bridge_notifier_call(struct notifier_block *nb, unsigned long size, void *buf) { struct dev_ril_bridge_msg *msg; struct cam_cp_noti_info *cp_noti_info; static int mhs_channel_for_4g, mhs_channel_for_5g; static int recv_msg_4g, recv_msg_5g; WL_ERR(("[BeyondX] receive message from ril.\n")); msg = (struct dev_ril_bridge_msg *)buf; if (msg->dev_id == IPC_SYSTEM_CP_CHANNEL_INFO && msg->data_len <= sizeof(struct cam_cp_noti_info)) { u8 rat; u32 band; u32 channel; cp_noti_info = (struct cam_cp_noti_info *)msg->data; rat = cp_noti_info->rat; band = cp_noti_info->band; channel = cp_noti_info->channel; /* LTE/5G Band/Freq information => Mobile Hotspot channel mapping. * LTE/B40: 38650~39649 => Ch.11 * LTE/B41: 39650~41589 => Ch.1 * 5G/N41: 499200~537999 => Ch.1 */ if (rat == CP_CHAN_INFO_RAT_MODE_LTE) { recv_msg_4g = 1; if (channel >= 38650 && channel <= 39649) { mhs_channel_for_4g = 11; } else if (channel >= 39650 && channel <= 41589) { mhs_channel_for_4g = 1; } } if (rat == CP_CHAN_INFO_RAT_MODE_NR5G) { recv_msg_5g = 1; if (channel >= 499200 && channel <= 537999) { mhs_channel_for_5g = 1; } } WL_DBG(("[BeyondX] rat: %u, band: %u, channel: %u, mhs_channel_for_4g: %u, " "mhs_channel_for_5g: %u\n", rat, band, channel, mhs_channel_for_4g, mhs_channel_for_5g)); if (recv_msg_4g && recv_msg_5g) { if (mhs_channel_for_4g && mhs_channel_for_5g) { /* if 4G/B40 + 5G/N41, select channel 6 for MHS */ if (mhs_channel_for_4g == 11 && mhs_channel_for_5g == 1) { g_mhs_chan_for_cpcoex = 6; /* if 4G(except for B40) + 5G/N41, select channel 1 for MHS */ } else { g_mhs_chan_for_cpcoex = 1; } } else { g_mhs_chan_for_cpcoex = mhs_channel_for_4g ? mhs_channel_for_4g : mhs_channel_for_5g ? mhs_channel_for_5g : 0; } mhs_channel_for_4g = mhs_channel_for_5g = 0; recv_msg_4g = recv_msg_5g = 0; } } return 0; } static struct notifier_block wl_cfg80211_ril_bridge_notifier = { .notifier_call = wl_cfg80211_ril_bridge_notifier_call, }; static bool wl_cfg80211_ril_bridge_notifier_registered = FALSE; #endif /* CONFIG_WLAN_BEYONDX || defined(CONFIG_SEC_5GMODEL) */ static s32 wl_cfg80211_netdev_notifier_call(struct notifier_block * nb, unsigned long state, void *ptr) { #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0)) struct net_device *dev = ptr; #else struct net_device *dev = netdev_notifier_info_to_dev(ptr); #endif /* LINUX_VERSION < VERSION(3, 11, 0) */ struct wireless_dev *wdev = NULL; struct bcm_cfg80211 *cfg = NULL; WL_DBG(("Enter state:%lu ndev%p \n", state, dev)); if (!dev) { WL_ERR(("dev null\n")); return NOTIFY_DONE; } wdev = ndev_to_wdev(dev); if (!wdev) { WL_ERR(("wdev null. Do nothing\n")); return NOTIFY_DONE; } cfg = (struct bcm_cfg80211 *)wiphy_priv(wdev->wiphy); if (!cfg || (cfg != wl_cfg80211_get_bcmcfg())) { /* If cfg80211 priv is null or doesn't match return */ WL_ERR(("wrong cfg ptr (%p)\n", cfg)); return NOTIFY_DONE; } if (dev == bcmcfg_to_prmry_ndev(cfg)) { /* Nothing to be done for primary I/F */ return NOTIFY_DONE; } switch (state) { case NETDEV_DOWN: { #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0)) int max_wait_timeout = 2; int max_wait_count = 100; int refcnt = 0; unsigned long limit = jiffies + max_wait_timeout * HZ; while (work_pending(&wdev->cleanup_work)) { if (refcnt%5 == 0) { WL_ERR(("[NETDEV_DOWN] wait for " "complete of cleanup_work" " (%d th)\n", refcnt)); } if (!time_before(jiffies, limit)) { WL_ERR(("[NETDEV_DOWN] cleanup_work" " of CFG80211 is not" " completed in %d sec\n", max_wait_timeout)); break; } if (refcnt >= max_wait_count) { WL_ERR(("[NETDEV_DOWN] cleanup_work" " of CFG80211 is not" " completed in %d loop\n", max_wait_count)); break; } set_current_state(TASK_INTERRUPTIBLE); (void)schedule_timeout(100); set_current_state(TASK_RUNNING); refcnt++; } #endif /* LINUX_VERSION < VERSION(3, 14, 0) */ break; } case NETDEV_UNREGISTER: wl_cfg80211_clear_per_bss_ies(cfg, wdev); /* after calling list_del_rcu(&wdev->list) */ wl_dealloc_netinfo_by_wdev(cfg, wdev); break; case NETDEV_GOING_DOWN: /* * At NETDEV_DOWN state, wdev_cleanup_work work will be called. * In front of door, the function checks whether current scan * is working or not. If the scanning is still working, * wdev_cleanup_work call WARN_ON and make the scan done forcibly. */ if (wl_get_drv_status(cfg, SCANNING, dev)) wl_cfg80211_cancel_scan(cfg); break; } return NOTIFY_DONE; } static struct notifier_block wl_cfg80211_netdev_notifier = { .notifier_call = wl_cfg80211_netdev_notifier_call, }; /* * to make sure we won't register the same notifier twice, otherwise a loop is likely to be * created in kernel notifier link list (with 'next' pointing to itself) */ static bool wl_cfg80211_netdev_notifier_registered = FALSE; static void wl_cfg80211_concurrent_roam(struct bcm_cfg80211 *cfg, int enable) { u32 connected_cnt = wl_get_drv_status_all(cfg, CONNECTED); bool p2p_connected = wl_cfgp2p_vif_created(cfg); struct net_info *iter, *next; if (!(cfg->roam_flags & WL_ROAM_OFF_ON_CONCURRENT)) return; WL_DBG(("roam off:%d p2p_connected:%d connected_cnt:%d \n", enable, p2p_connected, connected_cnt)); /* Disable FW roam when we have a concurrent P2P connection */ if (enable && p2p_connected && connected_cnt > 1) { /* Mark it as to be reverted */ cfg->roam_flags |= WL_ROAM_REVERT_STATUS; GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev && iter->wdev && iter->wdev->iftype == NL80211_IFTYPE_STATION) { if (wldev_iovar_setint(iter->ndev, "roam_off", TRUE) == BCME_OK) { iter->roam_off = TRUE; } else { WL_ERR(("error to enable roam_off\n")); } } } } else if (!enable && (cfg->roam_flags & WL_ROAM_REVERT_STATUS)) { cfg->roam_flags &= ~WL_ROAM_REVERT_STATUS; GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev && iter->wdev && iter->wdev->iftype == NL80211_IFTYPE_STATION) { if (iter->roam_off != WL_INVALID) { if (wldev_iovar_setint(iter->ndev, "roam_off", FALSE) == BCME_OK) { iter->roam_off = FALSE; } else { WL_ERR(("error to disable roam_off\n")); } } } } } return; } static void wl_cfg80211_determine_vsdb_mode(struct bcm_cfg80211 *cfg) { struct net_info *iter, *next; u32 ctl_chan = 0; u32 chanspec = 0; u32 pre_ctl_chan = 0; u32 connected_cnt = wl_get_drv_status_all(cfg, CONNECTED); cfg->vsdb_mode = false; if (connected_cnt <= 1) { return; } GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); /* p2p discovery iface ndev could be null */ if (iter->ndev) { chanspec = 0; ctl_chan = 0; if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) { if (wldev_iovar_getint(iter->ndev, "chanspec", (s32 *)&chanspec) == BCME_OK) { chanspec = wl_chspec_driver_to_host(chanspec); ctl_chan = wf_chspec_ctlchan(chanspec); wl_update_prof(cfg, iter->ndev, NULL, &ctl_chan, WL_PROF_CHAN); } if (!cfg->vsdb_mode) { if (!pre_ctl_chan && ctl_chan) pre_ctl_chan = ctl_chan; else if (pre_ctl_chan && (pre_ctl_chan != ctl_chan)) { cfg->vsdb_mode = true; } } } } } WL_MSG("wlan", "%s concurrency is enabled\n", cfg->vsdb_mode ? "Multi Channel" : "Same Channel"); return; } int wl_cfg80211_determine_p2p_rsdb_mode(struct bcm_cfg80211 *cfg) { struct net_info *iter, *next; u32 chanspec = 0; u32 band = 0; u32 pre_band = 0; bool is_rsdb_supported = FALSE; bool rsdb_mode = FALSE; is_rsdb_supported = DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_RSDB_MODE); if (!is_rsdb_supported) { return 0; } GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); /* p2p discovery iface ndev could be null */ if (iter->ndev) { chanspec = 0; band = 0; if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) { if (wldev_iovar_getint(iter->ndev, "chanspec", (s32 *)&chanspec) == BCME_OK) { chanspec = wl_chspec_driver_to_host(chanspec); band = CHSPEC_BAND(chanspec); } if (!pre_band && band) { pre_band = band; } else if (pre_band && (pre_band != band)) { rsdb_mode = TRUE; } } } } WL_DBG(("RSDB mode is %s\n", rsdb_mode ? "enabled" : "disabled")); return rsdb_mode; } static s32 wl_notifier_change_state(struct bcm_cfg80211 *cfg, struct net_info *_net_info, enum wl_status state, bool set) { s32 pm = PM_FAST; s32 err = BCME_OK; u32 mode; u32 chan = 0; struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg); dhd_pub_t *dhd = cfg->pub; #ifdef RTT_SUPPORT rtt_status_info_t *rtt_status; #endif /* RTT_SUPPORT */ if (dhd->busstate == DHD_BUS_DOWN) { WL_ERR(("busstate is DHD_BUS_DOWN!\n")); return 0; } WL_DBG(("Enter state %d set %d _net_info->pm_restore %d iface %s\n", state, set, _net_info->pm_restore, _net_info->ndev->name)); if (state != WL_STATUS_CONNECTED) return 0; mode = wl_get_mode_by_netdev(cfg, _net_info->ndev); if (set) { wl_cfg80211_concurrent_roam(cfg, 1); wl_cfg80211_determine_vsdb_mode(cfg); if (mode == WL_MODE_AP) { if (wl_add_remove_eventmsg(primary_dev, WLC_E_P2P_PROBREQ_MSG, false)) WL_ERR((" failed to unset WLC_E_P2P_PROPREQ_MSG\n")); } pm = PM_OFF; if ((err = wldev_ioctl_set(_net_info->ndev, WLC_SET_PM, &pm, sizeof(pm))) != 0) { if (err == -ENODEV) WL_DBG(("%s:netdev not ready\n", _net_info->ndev->name)); else WL_ERR(("%s:error (%d)\n", _net_info->ndev->name, err)); wl_cfg80211_update_power_mode(_net_info->ndev); } wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_SHORT); #if defined(WLTDLS) if (wl_cfg80211_is_concurrent_mode(primary_dev)) { err = wldev_iovar_setint(primary_dev, "tdls_enable", 0); } #endif /* defined(WLTDLS) */ #ifdef DISABLE_FRAMEBURST_VSDB if (!DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_HOSTAP_MODE) && wl_cfg80211_is_concurrent_mode(primary_dev) && !wl_cfg80211_determine_p2p_rsdb_mode(cfg)) { wl_cfg80211_set_frameburst(cfg, FALSE); } #endif /* DISABLE_FRAMEBURST_VSDB */ #ifdef DISABLE_WL_FRAMEBURST_SOFTAP if (DHD_OPMODE_STA_SOFTAP_CONCURR(dhd) && wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) { /* Enable frameburst for * STA/SoftAP concurrent mode */ wl_cfg80211_set_frameburst(cfg, TRUE); } #endif /* DISABLE_WL_FRAMEBURST_SOFTAP */ } else { /* clear */ chan = 0; /* clear chan information when the net device is disconnected */ wl_update_prof(cfg, _net_info->ndev, NULL, &chan, WL_PROF_CHAN); wl_cfg80211_determine_vsdb_mode(cfg); if (primary_dev == _net_info->ndev) { pm = PM_FAST; #ifdef RTT_SUPPORT rtt_status = GET_RTTSTATE(dhd); if (rtt_status->status != RTT_ENABLED) { #endif /* RTT_SUPPORT */ if (dhd_conf_get_pm(dhd) >= 0) pm = dhd_conf_get_pm(dhd); if ((err = wldev_ioctl_set(_net_info->ndev, WLC_SET_PM, &pm, sizeof(pm))) != 0) { if (err == -ENODEV) WL_DBG(("%s:netdev not ready\n", _net_info->ndev->name)); else WL_ERR(("%s:error (%d)\n", _net_info->ndev->name, err)); wl_cfg80211_update_power_mode(_net_info->ndev); } #ifdef RTT_SUPPORT } #endif /* RTT_SUPPORT */ } wl_cfg80211_concurrent_roam(cfg, 0); #if defined(WLTDLS) if (!wl_cfg80211_is_concurrent_mode(primary_dev)) { err = wldev_iovar_setint(primary_dev, "tdls_enable", 1); } #endif /* defined(WLTDLS) */ #if defined(DISABLE_FRAMEBURST_VSDB) if (!DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_HOSTAP_MODE)) { wl_cfg80211_set_frameburst(cfg, TRUE); } #endif /* DISABLE_FRAMEBURST_VSDB */ #ifdef DISABLE_WL_FRAMEBURST_SOFTAP if (DHD_OPMODE_STA_SOFTAP_CONCURR(dhd) && (cfg->ap_oper_channel <= CH_MAX_2G_CHANNEL)) { /* Disable frameburst for stand-alone 2GHz SoftAP */ wl_cfg80211_set_frameburst(cfg, FALSE); } #endif /* DISABLE_WL_FRAMEBURST_SOFTAP */ } return err; } #ifdef DHD_LOSSLESS_ROAMING static s32 wl_init_roam_timeout(struct bcm_cfg80211 *cfg) { int err = 0; /* Init roam timer */ init_timer_compat(&cfg->roam_timeout, wl_roam_timeout, cfg); return err; } #endif /* DHD_LOSSLESS_ROAMING */ static s32 wl_init_priv(struct bcm_cfg80211 *cfg) { struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = 0; cfg->scan_request = NULL; cfg->pwr_save = !!(wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT); #ifdef DISABLE_BUILTIN_ROAM cfg->roam_on = false; #else cfg->roam_on = true; #endif /* DISABLE_BUILTIN_ROAM */ cfg->active_scan = true; cfg->rf_blocked = false; cfg->vsdb_mode = false; #if defined(BCMSDIO) || defined(BCMDBUS) cfg->wlfc_on = false; #endif /* BCMSDIO || BCMDBUS */ cfg->roam_flags |= WL_ROAM_OFF_ON_CONCURRENT; cfg->disable_roam_event = false; /* register interested state */ set_bit(WL_STATUS_CONNECTED, &cfg->interrested_state); spin_lock_init(&cfg->cfgdrv_lock); mutex_init(&cfg->ioctl_buf_sync); init_waitqueue_head(&cfg->netif_change_event); init_waitqueue_head(&cfg->wps_done_event); init_completion(&cfg->send_af_done); init_completion(&cfg->iface_disable); mutex_init(&cfg->usr_sync); mutex_init(&cfg->event_sync); mutex_init(&cfg->if_sync); mutex_init(&cfg->scan_sync); mutex_init(&cfg->pm_sync); mutex_init(&cfg->in4way_sync); #ifdef WLTDLS mutex_init(&cfg->tdls_sync); #endif /* WLTDLS */ #ifdef WL_BCNRECV mutex_init(&cfg->bcn_sync); #endif /* WL_BCNRECV */ #ifdef WL_WPS_SYNC wl_init_wps_reauth_sm(cfg); #endif /* WL_WPS_SYNC */ wl_init_eq(cfg); err = wl_init_priv_mem(cfg); if (err) return err; if (wl_create_event_handler(cfg)) return -ENOMEM; wl_init_event_handler(cfg); err = wl_init_scan(cfg); if (err) return err; #ifdef DHD_LOSSLESS_ROAMING err = wl_init_roam_timeout(cfg); if (err) { return err; } #endif /* DHD_LOSSLESS_ROAMING */ wl_init_conf(cfg->conf); wl_init_prof(cfg, ndev); wl_link_down(cfg); DNGL_FUNC(dhd_cfg80211_init, (cfg)); #ifdef WL_NAN cfg->nan_dp_state = NAN_DP_STATE_DISABLED; init_waitqueue_head(&cfg->ndp_if_change_event); mutex_init(&cfg->nancfg.nan_sync); init_waitqueue_head(&cfg->nancfg.nan_event_wait); #endif /* WL_NAN */ cfg->pmk_list->pmkids.length = OFFSETOF(pmkid_list_v3_t, pmkid); cfg->pmk_list->pmkids.count = 0; cfg->pmk_list->pmkids.version = PMKID_LIST_VER_3; return err; } static void wl_deinit_priv(struct bcm_cfg80211 *cfg) { DNGL_FUNC(dhd_cfg80211_deinit, (cfg)); wl_destroy_event_handler(cfg); wl_flush_eq(cfg); wl_link_down(cfg); del_timer_sync(&cfg->scan_timeout); #ifdef DHD_LOSSLESS_ROAMING del_timer_sync(&cfg->roam_timeout); #endif // endif wl_deinit_priv_mem(cfg); if (wl_cfg80211_netdev_notifier_registered) { wl_cfg80211_netdev_notifier_registered = FALSE; unregister_netdevice_notifier(&wl_cfg80211_netdev_notifier); } } #if defined(WL_ENABLE_P2P_IF) static s32 wl_cfg80211_attach_p2p(struct bcm_cfg80211 *cfg) { WL_TRACE(("Enter \n")); if (wl_cfgp2p_register_ndev(cfg) < 0) { WL_ERR(("P2P attach failed. \n")); return -ENODEV; } return 0; } static s32 wl_cfg80211_detach_p2p(struct bcm_cfg80211 *cfg) { struct wireless_dev *wdev; WL_DBG(("Enter \n")); if (!cfg) { WL_ERR(("Invalid Ptr\n")); return -EINVAL; } else { wdev = cfg->p2p_wdev; if (!wdev) { WL_ERR(("Invalid Ptr\n")); return -EINVAL; } } wl_cfgp2p_unregister_ndev(cfg); cfg->p2p_wdev = NULL; cfg->p2p_net = NULL; WL_DBG(("Freeing 0x%p \n", wdev)); kfree(wdev); return 0; } #endif static s32 wl_cfg80211_attach_post(struct net_device *ndev) { struct bcm_cfg80211 * cfg; s32 err = 0; s32 ret = 0; WL_TRACE(("In\n")); if (unlikely(!ndev)) { WL_ERR(("ndev is invaild\n")); return -ENODEV; } cfg = wl_get_cfg(ndev); if (unlikely(!cfg)) { WL_ERR(("cfg is invaild\n")); return -EINVAL; } if (!wl_get_drv_status(cfg, READY, ndev)) { if (cfg->wdev) { ret = wl_cfgp2p_supported(cfg, ndev); if (ret > 0) { #if !defined(WL_ENABLE_P2P_IF) cfg->wdev->wiphy->interface_modes |= (BIT(NL80211_IFTYPE_P2P_CLIENT)| BIT(NL80211_IFTYPE_P2P_GO)); #endif /* !WL_ENABLE_P2P_IF */ if ((err = wl_cfgp2p_init_priv(cfg)) != 0) goto fail; #if defined(WL_ENABLE_P2P_IF) if (cfg->p2p_net) { /* Update MAC addr for p2p0 interface here. */ memcpy(cfg->p2p_net->dev_addr, ndev->dev_addr, ETH_ALEN); cfg->p2p_net->dev_addr[0] |= 0x02; WL_MSG(cfg->p2p_net->name, "p2p_dev_addr="MACDBG "\n", MAC2STRDBG(cfg->p2p_net->dev_addr)); } else { WL_ERR(("p2p_net not yet populated." " Couldn't update the MAC Address for p2p0 \n")); return -ENODEV; } #endif /* WL_ENABLE_P2P_IF */ cfg->p2p_supported = true; } else if (ret == 0) { if ((err = wl_cfgp2p_init_priv(cfg)) != 0) goto fail; } else { /* SDIO bus timeout */ err = -ENODEV; goto fail; } } } wl_set_drv_status(cfg, READY, ndev); fail: return err; } struct bcm_cfg80211 *wl_get_cfg(struct net_device *ndev) { struct wireless_dev *wdev = ndev->ieee80211_ptr; if (!wdev || !wdev->wiphy) return NULL; return wiphy_priv(wdev->wiphy); } s32 wl_cfg80211_net_attach(struct net_device *primary_ndev) { struct bcm_cfg80211 *cfg = wl_get_cfg(primary_ndev); if (!cfg) { WL_ERR(("cfg null\n")); return BCME_ERROR; } #ifdef WL_STATIC_IF /* Register dummy n/w iface. FW init will happen only from dev_open */ if (wl_cfg80211_register_static_if(cfg, NL80211_IFTYPE_STATION, WL_STATIC_IFNAME_PREFIX) == NULL) { WL_ERR(("static i/f registration failed!\n")); return BCME_ERROR; } #endif /* WL_STATIC_IF */ return BCME_OK; } s32 wl_cfg80211_attach(struct net_device *ndev, void *context) { struct wireless_dev *wdev; struct bcm_cfg80211 *cfg; s32 err = 0; struct device *dev; u16 bssidx = 0; u16 ifidx = 0; dhd_pub_t *dhd = (struct dhd_pub *)(context); WL_TRACE(("In\n")); if (!ndev) { WL_ERR(("ndev is invaild\n")); return -ENODEV; } WL_DBG(("func %p\n", wl_cfg80211_get_parent_dev())); dev = wl_cfg80211_get_parent_dev(); wdev = (struct wireless_dev *)MALLOCZ(dhd->osh, sizeof(*wdev)); if (unlikely(!wdev)) { WL_ERR(("Could not allocate wireless device\n")); return -ENOMEM; } err = wl_setup_wiphy(wdev, dev, context); if (unlikely(err)) { MFREE(dhd->osh, wdev, sizeof(*wdev)); return -ENOMEM; } #ifdef WLMESH_CFG80211 wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_MESH); #else wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS); #endif cfg = wiphy_priv(wdev->wiphy); cfg->wdev = wdev; cfg->pub = context; cfg->osh = dhd->osh; INIT_LIST_HEAD(&cfg->net_list); INIT_LIST_HEAD(&cfg->vndr_oui_list); spin_lock_init(&cfg->vndr_oui_sync); spin_lock_init(&cfg->net_list_sync); ndev->ieee80211_ptr = wdev; SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); wdev->netdev = ndev; cfg->state_notifier = wl_notifier_change_state; err = wl_alloc_netinfo(cfg, ndev, wdev, WL_IF_TYPE_STA, PM_ENABLE, bssidx, ifidx); if (err) { WL_ERR(("Failed to alloc net_info (%d)\n", err)); goto cfg80211_attach_out; } err = wl_init_priv(cfg); if (err) { WL_ERR(("Failed to init iwm_priv (%d)\n", err)); goto cfg80211_attach_out; } err = wl_setup_rfkill(cfg, TRUE); if (err) { WL_ERR(("Failed to setup rfkill %d\n", err)); goto cfg80211_attach_out; } #ifdef DEBUGFS_CFG80211 err = wl_setup_debugfs(cfg); if (err) { WL_ERR(("Failed to setup debugfs %d\n", err)); goto cfg80211_attach_out; } #endif // endif if (!wl_cfg80211_netdev_notifier_registered) { wl_cfg80211_netdev_notifier_registered = TRUE; err = register_netdevice_notifier(&wl_cfg80211_netdev_notifier); if (err) { wl_cfg80211_netdev_notifier_registered = FALSE; WL_ERR(("Failed to register notifierl %d\n", err)); goto cfg80211_attach_out; } } #if defined(COEX_DHCP) cfg->btcoex_info = wl_cfg80211_btcoex_init(cfg->wdev->netdev); if (!cfg->btcoex_info) goto cfg80211_attach_out; #endif // endif #ifdef CONFIG_CFG80211_INTERNAL_REGDB wdev->wiphy->reg_notifier = wl_cfg80211_reg_notifier; #endif /* CONFIG_CFG80211_INTERNAL_REGDB */ #if defined(WL_ENABLE_P2P_IF) err = wl_cfg80211_attach_p2p(cfg); if (err) goto cfg80211_attach_out; #endif INIT_DELAYED_WORK(&cfg->pm_enable_work, wl_cfg80211_work_handler); #ifdef WL_NAN WL_DBG(("NAN: Armed wl_cfgnan_delayed_disable work\n")); INIT_DELAYED_WORK(&cfg->nan_disable, wl_cfgnan_delayed_disable); #endif /* WL_NAN */ cfg->rssi_sum_report = FALSE; return err; cfg80211_attach_out: wl_cfg80211_detach(cfg); return err; } void wl_cfg80211_detach(struct bcm_cfg80211 *cfg) { WL_DBG(("Enter\n")); if (!cfg) { return; } wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL); #if defined(COEX_DHCP) wl_cfg80211_btcoex_deinit(); cfg->btcoex_info = NULL; #endif // endif wl_setup_rfkill(cfg, FALSE); #ifdef DEBUGFS_CFG80211 wl_free_debugfs(cfg); #endif // endif if (cfg->p2p_supported) { if (timer_pending(&cfg->p2p->listen_timer)) del_timer_sync(&cfg->p2p->listen_timer); wl_cfgp2p_deinit_priv(cfg); } #ifdef WL_WPS_SYNC wl_deinit_wps_reauth_sm(cfg); #endif /* WL_WPS_SYNC */ if (timer_pending(&cfg->scan_timeout)) del_timer_sync(&cfg->scan_timeout); #ifdef DHD_LOSSLESS_ROAMING if (timer_pending(&cfg->roam_timeout)) { del_timer_sync(&cfg->roam_timeout); } #endif /* DHD_LOSSLESS_ROAMING */ #ifdef WL_STATIC_IF wl_cfg80211_unregister_static_if(cfg); #endif /* WL_STATIC_IF */ #if defined(WL_CFG80211_P2P_DEV_IF) if (cfg->p2p_wdev) wl_cfgp2p_del_p2p_disc_if(cfg->p2p_wdev, cfg); #endif /* WL_CFG80211_P2P_DEV_IF */ #if defined(WL_ENABLE_P2P_IF) wl_cfg80211_detach_p2p(cfg); #endif wl_cfg80211_ibss_vsie_free(cfg); wl_dealloc_netinfo_by_wdev(cfg, cfg->wdev); wl_cfg80211_set_bcmcfg(NULL); wl_deinit_priv(cfg); wl_cfg80211_clear_parent_dev(); #if defined(RSSIAVG) wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl); wl_free_rssi_cache(&cfg->g_connected_rssi_cache_ctrl); #endif #if defined(BSSCACHE) wl_release_bss_cache_ctrl(&cfg->g_bss_cache_ctrl); #endif wl_free_wdev(cfg); /* PLEASE do NOT call any function after wl_free_wdev, the driver's private * structure "cfg", which is the private part of wiphy, has been freed in * wl_free_wdev !!!!!!!!!!! */ WL_DBG(("Exit\n")); } #if defined(CONFIG_WLAN_BEYONDX) || defined(CONFIG_SEC_5GMODEL) void wl_cfg80211_register_dev_ril_bridge_event_notifier() { WL_DBG(("Enter\n")); if (!wl_cfg80211_ril_bridge_notifier_registered) { s32 err = 0; wl_cfg80211_ril_bridge_notifier_registered = TRUE; err = register_dev_ril_bridge_event_notifier(&wl_cfg80211_ril_bridge_notifier); if (err) { wl_cfg80211_ril_bridge_notifier_registered = FALSE; WL_ERR(("Failed to register ril_notifier! %d\n", err)); } } } void wl_cfg80211_unregister_dev_ril_bridge_event_notifier() { WL_DBG(("Enter\n")); if (wl_cfg80211_ril_bridge_notifier_registered) { wl_cfg80211_ril_bridge_notifier_registered = FALSE; unregister_dev_ril_bridge_event_notifier(&wl_cfg80211_ril_bridge_notifier); } } #endif /* CONFIG_WLAN_BEYONDX || defined(CONFIG_SEC_5GMODEL) */ static void wl_print_event_data(struct bcm_cfg80211 *cfg, uint32 event_type, const wl_event_msg_t *e) { s32 status = ntoh32(e->status); s32 reason = ntoh32(e->reason); s32 ifidx = ntoh32(e->ifidx); s32 bssidx = ntoh32(e->bsscfgidx); switch (event_type) { case WLC_E_ESCAN_RESULT: if ((status == WLC_E_STATUS_SUCCESS) || (status == WLC_E_STATUS_ABORT)) { WL_INFORM_MEM(("event_type (%d), ifidx: %d" " bssidx: %d scan_type:%d\n", event_type, ifidx, bssidx, status)); } break; case WLC_E_LINK: case WLC_E_DISASSOC: case WLC_E_DISASSOC_IND: case WLC_E_DEAUTH: case WLC_E_DEAUTH_IND: WL_INFORM_MEM(("event_type (%d), ifidx: %d bssidx: %d" " status:%d reason:%d\n", event_type, ifidx, bssidx, status, reason)); break; default: /* Print only when DBG verbose is enabled */ WL_DBG(("event_type (%d), ifidx: %d bssidx: %d status:%d reason: %d\n", event_type, ifidx, bssidx, status, reason)); } } static void wl_event_handler(struct work_struct *work_data) { struct bcm_cfg80211 *cfg = NULL; struct wl_event_q *e; struct wireless_dev *wdev = NULL; WL_DBG(("Enter \n")); BCM_SET_CONTAINER_OF(cfg, work_data, struct bcm_cfg80211, event_work); cfg->wl_evt_hdlr_entry_time = OSL_LOCALTIME_NS(); DHD_EVENT_WAKE_LOCK(cfg->pub); while ((e = wl_deq_event(cfg))) { s32 status = ntoh32(e->emsg.status); u32 event_type = ntoh32(e->emsg.event_type); bool scan_cmplt_evt = (event_type == WLC_E_ESCAN_RESULT) && ((status == WLC_E_STATUS_SUCCESS) || (status == WLC_E_STATUS_ABORT)); cfg->wl_evt_deq_time = OSL_LOCALTIME_NS(); if (scan_cmplt_evt) { cfg->scan_deq_time = OSL_LOCALTIME_NS(); } /* Print only critical events to avoid too many prints */ wl_print_event_data(cfg, e->etype, &e->emsg); if (e->emsg.ifidx > WL_MAX_IFS) { WL_ERR((" Event ifidx not in range. val:%d \n", e->emsg.ifidx)); goto fail; } /* Make sure iface operations, don't creat race conditions */ mutex_lock(&cfg->if_sync); if (!(wdev = wl_get_wdev_by_fw_idx(cfg, e->emsg.bsscfgidx, e->emsg.ifidx))) { /* For WLC_E_IF would be handled by wl_host_event */ if (e->etype != WLC_E_IF) WL_ERR(("No wdev corresponding to bssidx: 0x%x found!" " Ignoring event.\n", e->emsg.bsscfgidx)); } else if (e->etype < WLC_E_LAST && cfg->evt_handler[e->etype]) { dhd_pub_t *dhd = (struct dhd_pub *)(cfg->pub); if (dhd->busstate == DHD_BUS_DOWN) { WL_ERR((": BUS is DOWN.\n")); } else { WL_DBG(("event_type %d event_sub %d\n", ntoh32(e->emsg.event_type), ntoh32(e->emsg.reason))); cfg->evt_handler[e->etype](cfg, wdev_to_cfgdev(wdev), &e->emsg, e->edata); if (scan_cmplt_evt) { cfg->scan_hdlr_cmplt_time = OSL_LOCALTIME_NS(); } } } else { WL_DBG(("Unknown Event (%d): ignoring\n", e->etype)); } mutex_unlock(&cfg->if_sync); fail: wl_put_event(cfg, e); if (scan_cmplt_evt) { cfg->scan_cmplt_time = OSL_LOCALTIME_NS(); } cfg->wl_evt_hdlr_exit_time = OSL_LOCALTIME_NS(); } DHD_EVENT_WAKE_UNLOCK(cfg->pub); } /* * Generic API to handle critical events which doesnt need * cfg enquening and sleepable API calls. */ s32 wl_cfg80211_handle_critical_events(struct bcm_cfg80211 *cfg, const wl_event_msg_t * e) { s32 ret = BCME_ERROR; u32 event_type = ntoh32(e->event_type); if (event_type >= WLC_E_LAST) { return BCME_ERROR; } switch (event_type) { case WLC_E_NAN_CRITICAL: { #ifdef WL_NAN if (ntoh32(e->reason) == WL_NAN_EVENT_STOP) { ret = wl_cfgvendor_nan_send_async_disable_resp(cfg->static_ndev->ieee80211_ptr); } #endif /* WL_NAN */ break; } default: ret = BCME_ERROR; } return ret; } void wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t * e, void *data) { s32 status = ntoh32(e->status); u32 event_type = ntoh32(e->event_type); struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); struct net_info *netinfo; WL_DBG(("event_type (%d): reason (%d): %s\n", event_type, ntoh32(e->reason), bcmevent_get_name(event_type))); if ((cfg == NULL) || (cfg->p2p_supported && cfg->p2p == NULL)) { WL_ERR(("Stale event ignored\n")); return; } if (cfg->event_workq == NULL) { WL_ERR(("Event handler is not created\n")); return; } if (event_type == WLC_E_IF) { /* Don't process WLC_E_IF events in wl_cfg80211 layer */ return; } netinfo = wl_get_netinfo_by_fw_idx(cfg, e->bsscfgidx, e->ifidx); if (!netinfo) { /* Since the netinfo entry is not there, the netdev entry is not * created via cfg80211 interface. so the event is not of interest * to the cfg80211 layer. */ WL_TRACE(("ignore event %d, not interested\n", event_type)); return; } /* Handle wl_cfg80211_critical_events */ if (wl_cfg80211_handle_critical_events(cfg, e) == BCME_OK) { return; } if (event_type == WLC_E_PFN_NET_FOUND) { WL_DBG((" PNOEVENT: PNO_NET_FOUND\n")); } else if (event_type == WLC_E_PFN_NET_LOST) { WL_DBG((" PNOEVENT: PNO_NET_LOST\n")); } if (likely(!wl_enq_event(cfg, ndev, event_type, e, data))) { queue_work(cfg->event_workq, &cfg->event_work); } /* Mark timeout value for thread sched */ if ((event_type == WLC_E_ESCAN_RESULT) && ((status == WLC_E_STATUS_SUCCESS) || (status == WLC_E_STATUS_ABORT))) { cfg->scan_enq_time = OSL_LOCALTIME_NS(); WL_INFORM_MEM(("Enqueing escan completion (%d). WQ state:0x%x \n", status, work_busy(&cfg->event_work))); } } static void wl_init_eq(struct bcm_cfg80211 *cfg) { wl_init_eq_lock(cfg); INIT_LIST_HEAD(&cfg->eq_list); } static void wl_flush_eq(struct bcm_cfg80211 *cfg) { struct wl_event_q *e; unsigned long flags; flags = wl_lock_eq(cfg); while (!list_empty_careful(&cfg->eq_list)) { BCM_SET_LIST_FIRST_ENTRY(e, &cfg->eq_list, struct wl_event_q, eq_list); list_del(&e->eq_list); MFREE(cfg->osh, e, e->datalen + sizeof(struct wl_event_q)); } wl_unlock_eq(cfg, flags); } /* * retrieve first queued event from head */ static struct wl_event_q *wl_deq_event(struct bcm_cfg80211 *cfg) { struct wl_event_q *e = NULL; unsigned long flags; flags = wl_lock_eq(cfg); if (likely(!list_empty(&cfg->eq_list))) { BCM_SET_LIST_FIRST_ENTRY(e, &cfg->eq_list, struct wl_event_q, eq_list); list_del(&e->eq_list); } wl_unlock_eq(cfg, flags); return e; } /* * push event to tail of the queue */ static s32 wl_enq_event(struct bcm_cfg80211 *cfg, struct net_device *ndev, u32 event, const wl_event_msg_t *msg, void *data) { struct wl_event_q *e; s32 err = 0; uint32 evtq_size; uint32 data_len; unsigned long flags; data_len = 0; if (data) data_len = ntoh32(msg->datalen); evtq_size = (uint32)(sizeof(struct wl_event_q) + data_len); e = (struct wl_event_q *)MALLOCZ(cfg->osh, evtq_size); if (unlikely(!e)) { WL_ERR(("event alloc failed\n")); return -ENOMEM; } e->etype = event; memcpy(&e->emsg, msg, sizeof(wl_event_msg_t)); if (data) memcpy(e->edata, data, data_len); e->datalen = data_len; flags = wl_lock_eq(cfg); list_add_tail(&e->eq_list, &cfg->eq_list); wl_unlock_eq(cfg, flags); return err; } static void wl_put_event(struct bcm_cfg80211 *cfg, struct wl_event_q *e) { MFREE(cfg->osh, e, e->datalen + sizeof(struct wl_event_q)); } static s32 wl_config_infra(struct bcm_cfg80211 *cfg, struct net_device *ndev, u16 iftype) { s32 infra = 0; s32 err = 0; bool skip_infra = false; switch (iftype) { case WL_IF_TYPE_IBSS: case WL_IF_TYPE_AIBSS: infra = 0; break; case WL_IF_TYPE_AP: case WL_IF_TYPE_STA: case WL_IF_TYPE_P2P_GO: case WL_IF_TYPE_P2P_GC: /* Intentional fall through */ infra = 1; break; #ifdef WLMESH_CFG80211 case NL80211_IFTYPE_MESH_POINT: infra = WL_BSSTYPE_MESH; break; #endif /* WLMESH_CFG80211 */ case WL_IF_TYPE_MONITOR: case WL_IF_TYPE_NAN: /* Intentionall fall through */ default: skip_infra = true; WL_ERR(("Skipping infra setting for type:%d\n", iftype)); break; } if (!skip_infra) { infra = htod32(infra); err = wldev_ioctl_set(ndev, WLC_SET_INFRA, &infra, sizeof(infra)); if (unlikely(err)) { WL_ERR(("WLC_SET_INFRA error (%d)\n", err)); return err; } } return 0; } void wl_cfg80211_add_to_eventbuffer(struct wl_eventmsg_buf *ev, u16 event, bool set) { if (!ev || (event > WLC_E_LAST)) return; if (ev->num < MAX_EVENT_BUF_NUM) { ev->event[ev->num].type = event; ev->event[ev->num].set = set; ev->num++; } else { WL_ERR(("evenbuffer doesn't support > %u events. Update" " the define MAX_EVENT_BUF_NUM \n", MAX_EVENT_BUF_NUM)); ASSERT(0); } } s32 wl_cfg80211_apply_eventbuffer( struct net_device *ndev, struct bcm_cfg80211 *cfg, wl_eventmsg_buf_t *ev) { char eventmask[WL_EVENTING_MASK_LEN]; int i, ret = 0; s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; if (!ev || (!ev->num)) return -EINVAL; mutex_lock(&cfg->event_sync); /* Read event_msgs mask */ ret = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL); if (unlikely(ret)) { WL_ERR(("Get event_msgs error (%d)\n", ret)); goto exit; } memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN); /* apply the set bits */ for (i = 0; i < ev->num; i++) { if (ev->event[i].set) setbit(eventmask, ev->event[i].type); else clrbit(eventmask, ev->event[i].type); } /* Write updated Event mask */ ret = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, sizeof(eventmask), iovbuf, sizeof(iovbuf), NULL); if (unlikely(ret)) { WL_ERR(("Set event_msgs error (%d)\n", ret)); } exit: mutex_unlock(&cfg->event_sync); return ret; } s32 wl_add_remove_eventmsg(struct net_device *ndev, u16 event, bool add) { s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; s8 eventmask[WL_EVENTING_MASK_LEN]; s32 err = 0; struct bcm_cfg80211 *cfg; if (!ndev) return -ENODEV; cfg = wl_get_cfg(ndev); if (!cfg) return -ENODEV; mutex_lock(&cfg->event_sync); /* Setup event_msgs */ err = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL); if (unlikely(err)) { WL_ERR(("Get event_msgs error (%d)\n", err)); goto eventmsg_out; } memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN); if (add) { setbit(eventmask, event); } else { clrbit(eventmask, event); } err = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf), NULL); if (unlikely(err)) { WL_ERR(("Set event_msgs error (%d)\n", err)); goto eventmsg_out; } eventmsg_out: mutex_unlock(&cfg->event_sync); return err; } static int wl_construct_reginfo(struct bcm_cfg80211 *cfg, s32 bw_cap) { struct net_device *dev = bcmcfg_to_prmry_ndev(cfg); struct ieee80211_channel *band_chan_arr = NULL; wl_uint32_list_t *list; u32 i, j, index, n_2g, n_5g, band, channel, array_size; u32 *n_cnt = NULL; chanspec_t c = 0; s32 err = BCME_OK; bool update; bool ht40_allowed; u8 *pbuf = NULL; bool dfs_radar_disabled = FALSE; #define LOCAL_BUF_LEN 2048 pbuf = (u8 *)MALLOCZ(cfg->osh, LOCAL_BUF_LEN); if (pbuf == NULL) { WL_ERR(("failed to allocate local buf\n")); return -ENOMEM; } err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL, 0, pbuf, LOCAL_BUF_LEN, 0, &cfg->ioctl_buf_sync); if (err != 0) { WL_ERR(("get chanspecs failed with %d\n", err)); MFREE(cfg->osh, pbuf, LOCAL_BUF_LEN); return err; } list = (wl_uint32_list_t *)(void *)pbuf; band = array_size = n_2g = n_5g = 0; for (i = 0; i < dtoh32(list->count); i++) { index = 0; update = false; ht40_allowed = false; c = (chanspec_t)dtoh32(list->element[i]); c = wl_chspec_driver_to_host(c); channel = wf_chspec_ctlchan(c); if (!CHSPEC_IS40(c) && ! CHSPEC_IS20(c)) { WL_DBG(("HT80/160/80p80 center channel : %d\n", channel)); continue; } if (CHSPEC_IS2G(c) && (channel >= CH_MIN_2G_CHANNEL) && (channel <= CH_MAX_2G_CHANNEL)) { band_chan_arr = __wl_2ghz_channels; array_size = ARRAYSIZE(__wl_2ghz_channels); n_cnt = &n_2g; band = IEEE80211_BAND_2GHZ; ht40_allowed = (bw_cap == WLC_N_BW_40ALL)? true : false; } else if (CHSPEC_IS5G(c) && channel >= CH_MIN_5G_CHANNEL) { band_chan_arr = __wl_5ghz_a_channels; array_size = ARRAYSIZE(__wl_5ghz_a_channels); n_cnt = &n_5g; band = IEEE80211_BAND_5GHZ; ht40_allowed = (bw_cap == WLC_N_BW_20ALL)? false : true; } else { WL_ERR(("Invalid channel Sepc. 0x%x.\n", c)); continue; } if (!ht40_allowed && CHSPEC_IS40(c)) continue; for (j = 0; (j < *n_cnt && (*n_cnt < array_size)); j++) { if (band_chan_arr[j].hw_value == channel) { update = true; break; } } if (update) index = j; else index = *n_cnt; if (!dhd_conf_match_channel(cfg->pub, channel)) continue; if (index < array_size) { #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS) band_chan_arr[index].center_freq = ieee80211_channel_to_frequency(channel); #else band_chan_arr[index].center_freq = ieee80211_channel_to_frequency(channel, band); #endif // endif band_chan_arr[index].hw_value = channel; band_chan_arr[index].beacon_found = false; if (CHSPEC_IS40(c) && ht40_allowed) { /* assuming the order is HT20, HT40 Upper, * HT40 lower from chanspecs */ u32 ht40_flag = band_chan_arr[index].flags & IEEE80211_CHAN_NO_HT40; if (CHSPEC_SB_UPPER(c)) { if (ht40_flag == IEEE80211_CHAN_NO_HT40) band_chan_arr[index].flags &= ~IEEE80211_CHAN_NO_HT40; band_chan_arr[index].flags |= IEEE80211_CHAN_NO_HT40PLUS; } else { /* It should be one of * IEEE80211_CHAN_NO_HT40 or IEEE80211_CHAN_NO_HT40PLUS */ band_chan_arr[index].flags &= ~IEEE80211_CHAN_NO_HT40; if (ht40_flag == IEEE80211_CHAN_NO_HT40) band_chan_arr[index].flags |= IEEE80211_CHAN_NO_HT40MINUS; } } else { band_chan_arr[index].flags = IEEE80211_CHAN_NO_HT40; if (!dfs_radar_disabled) { if (band == IEEE80211_BAND_2GHZ) channel |= WL_CHANSPEC_BAND_2G; else channel |= WL_CHANSPEC_BAND_5G; channel |= WL_CHANSPEC_BW_20; channel = wl_chspec_host_to_driver(channel); err = wldev_iovar_getint(dev, "per_chan_info", &channel); if (!err) { if (channel & WL_CHAN_RADAR) { #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)) band_chan_arr[index].flags |= (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS); #else band_chan_arr[index].flags |= IEEE80211_CHAN_RADAR; #endif // endif } if (channel & WL_CHAN_PASSIVE) #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)) band_chan_arr[index].flags |= IEEE80211_CHAN_PASSIVE_SCAN; #else band_chan_arr[index].flags |= IEEE80211_CHAN_NO_IR; #endif // endif } else if (err == BCME_UNSUPPORTED) { dfs_radar_disabled = TRUE; WL_ERR(("does not support per_chan_info\n")); } } } if (!update) (*n_cnt)++; } } __wl_band_2ghz.n_channels = n_2g; __wl_band_5ghz_a.n_channels = n_5g; MFREE(cfg->osh, pbuf, LOCAL_BUF_LEN); #undef LOCAL_BUF_LEN return err; } static s32 __wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify) { struct wiphy *wiphy; struct net_device *dev = bcmcfg_to_prmry_ndev(cfg); u32 bandlist[3]; u32 nband = 0; u32 i = 0; s32 err = 0; s32 index = 0; s32 nmode = 0; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) u32 j = 0; s32 vhtmode = 0; s32 txstreams = 0; s32 rxstreams = 0; s32 ldpc_cap = 0; s32 stbc_rx = 0; s32 stbc_tx = 0; s32 txbf_bfe_cap = 0; s32 txbf_bfr_cap = 0; #endif // endif s32 bw_cap = 0; s32 cur_band = -1; struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS] = {NULL, }; bzero(bandlist, sizeof(bandlist)); err = wldev_ioctl_get(dev, WLC_GET_BANDLIST, bandlist, sizeof(bandlist)); if (unlikely(err)) { WL_ERR(("error read bandlist (%d)\n", err)); return err; } err = wldev_ioctl_get(dev, WLC_GET_BAND, &cur_band, sizeof(s32)); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } err = wldev_iovar_getint(dev, "nmode", &nmode); if (unlikely(err)) { WL_ERR(("error reading nmode (%d)\n", err)); } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) err = wldev_iovar_getint(dev, "vhtmode", &vhtmode); if (unlikely(err)) { WL_ERR(("error reading vhtmode (%d)\n", err)); } if (vhtmode) { err = wldev_iovar_getint(dev, "txstreams", &txstreams); if (unlikely(err)) { WL_ERR(("error reading txstreams (%d)\n", err)); } err = wldev_iovar_getint(dev, "rxstreams", &rxstreams); if (unlikely(err)) { WL_ERR(("error reading rxstreams (%d)\n", err)); } err = wldev_iovar_getint(dev, "ldpc_cap", &ldpc_cap); if (unlikely(err)) { WL_ERR(("error reading ldpc_cap (%d)\n", err)); } err = wldev_iovar_getint(dev, "stbc_rx", &stbc_rx); if (unlikely(err)) { WL_ERR(("error reading stbc_rx (%d)\n", err)); } err = wldev_iovar_getint(dev, "stbc_tx", &stbc_tx); if (unlikely(err)) { WL_ERR(("error reading stbc_tx (%d)\n", err)); } err = wldev_iovar_getint(dev, "txbf_bfe_cap", &txbf_bfe_cap); if (unlikely(err)) { WL_ERR(("error reading txbf_bfe_cap (%d)\n", err)); } err = wldev_iovar_getint(dev, "txbf_bfr_cap", &txbf_bfr_cap); if (unlikely(err)) { WL_ERR(("error reading txbf_bfr_cap (%d)\n", err)); } } #endif // endif /* For nmode and vhtmode check bw cap */ if (nmode || #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) vhtmode || #endif // endif 0) { err = wldev_iovar_getint(dev, "mimo_bw_cap", &bw_cap); if (unlikely(err)) { WL_ERR(("error get mimo_bw_cap (%d)\n", err)); } } err = wl_construct_reginfo(cfg, bw_cap); if (err) { WL_ERR(("wl_construct_reginfo() fails err=%d\n", err)); if (err != BCME_UNSUPPORTED) return err; } wiphy = bcmcfg_to_wiphy(cfg); nband = bandlist[0]; for (i = 1; i <= nband && i < ARRAYSIZE(bandlist); i++) { index = -1; if (bandlist[i] == WLC_BAND_5G && __wl_band_5ghz_a.n_channels > 0) { bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; index = IEEE80211_BAND_5GHZ; if (nmode && (bw_cap == WLC_N_BW_40ALL || bw_cap == WLC_N_BW_20IN2G_40IN5G)) bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) /* VHT capabilities. */ if (vhtmode) { /* Supported */ bands[index]->vht_cap.vht_supported = TRUE; for (j = 1; j <= VHT_CAP_MCS_MAP_NSS_MAX; j++) { /* TX stream rates. */ if (j <= txstreams) { VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_0_9, bands[index]->vht_cap.vht_mcs.tx_mcs_map); } else { VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_NONE, bands[index]->vht_cap.vht_mcs.tx_mcs_map); } /* RX stream rates. */ if (j <= rxstreams) { VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_0_9, bands[index]->vht_cap.vht_mcs.rx_mcs_map); } else { VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_NONE, bands[index]->vht_cap.vht_mcs.rx_mcs_map); } } /* Capabilities */ /* 80 MHz is mandatory */ bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80; if (WL_BW_CAP_160MHZ(bw_cap)) { bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160; } bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454; if (ldpc_cap) bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_RXLDPC; if (stbc_tx) bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_TXSTBC; if (stbc_rx) bands[index]->vht_cap.cap |= (stbc_rx << VHT_CAP_INFO_RX_STBC_SHIFT); if (txbf_bfe_cap) bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; if (txbf_bfr_cap) { bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; } if (txbf_bfe_cap || txbf_bfr_cap) { bands[index]->vht_cap.cap |= (2 << VHT_CAP_INFO_NUM_BMFMR_ANT_SHIFT); bands[index]->vht_cap.cap |= ((txstreams - 1) << VHT_CAP_INFO_NUM_SOUNDING_DIM_SHIFT); bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB; } /* AMPDU length limit, support max 1MB (2 ^ (13 + 7)) */ bands[index]->vht_cap.cap |= (7 << VHT_CAP_INFO_AMPDU_MAXLEN_EXP_SHIFT); WL_DBG(("__wl_update_wiphybands band[%d] vht_enab=%d vht_cap=%08x " "vht_rx_mcs_map=%04x vht_tx_mcs_map=%04x\n", index, bands[index]->vht_cap.vht_supported, bands[index]->vht_cap.cap, bands[index]->vht_cap.vht_mcs.rx_mcs_map, bands[index]->vht_cap.vht_mcs.tx_mcs_map)); } #endif // endif } else if (bandlist[i] == WLC_BAND_2G && __wl_band_2ghz.n_channels > 0) { bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; index = IEEE80211_BAND_2GHZ; if (bw_cap == WLC_N_BW_40ALL) bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; } if ((index >= 0) && nmode) { bands[index]->ht_cap.cap |= (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_DSSSCCK40); bands[index]->ht_cap.ht_supported = TRUE; bands[index]->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; bands[index]->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; /* An HT shall support all EQM rates for one spatial stream */ bands[index]->ht_cap.mcs.rx_mask[0] = 0xff; } } wiphy->bands[IEEE80211_BAND_2GHZ] = bands[IEEE80211_BAND_2GHZ]; wiphy->bands[IEEE80211_BAND_5GHZ] = bands[IEEE80211_BAND_5GHZ]; /* check if any bands populated otherwise makes 2Ghz as default */ if (wiphy->bands[IEEE80211_BAND_2GHZ] == NULL && wiphy->bands[IEEE80211_BAND_5GHZ] == NULL) { /* Setup 2Ghz band as default */ wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; } if (notify) wiphy_apply_custom_regulatory(wiphy, &brcm_regdom); return 0; } s32 wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify) { s32 err; mutex_lock(&cfg->usr_sync); err = __wl_update_wiphybands(cfg, notify); mutex_unlock(&cfg->usr_sync); return err; } static s32 __wl_cfg80211_up(struct bcm_cfg80211 *cfg) { s32 err = 0; #ifdef WL_HOST_BAND_MGMT s32 ret = 0; #endif /* WL_HOST_BAND_MGMT */ struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); struct wireless_dev *wdev = ndev->ieee80211_ptr; #if defined(WL_NANP2P) dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); #endif // endif #ifdef WLTDLS u32 tdls; #endif /* WLTDLS */ u16 wl_iftype = 0; u16 wl_mode = 0; u8 ioctl_buf[WLC_IOCTL_SMLEN]; WL_DBG(("In\n")); if (!dhd_download_fw_on_driverload) { err = wl_create_event_handler(cfg); if (err) { WL_ERR(("wl_create_event_handler failed\n")); return err; } wl_init_event_handler(cfg); } /* Reserve 0x8000 toggle bit for P2P GO/GC */ cfg->vif_macaddr_mask = 0x8000; err = dhd_config_dongle(cfg); if (unlikely(err)) return err; #if 0 /* terence 20180108: this patch will cause to kernel panic with below * steps in Android 4.4 with kernel 3.4 * insmod bcmdhd.ko; hostapd /data/misc/wifi/hostapd.conf */ /* Always bring up interface in STA mode. * Did observe , if previous SofAP Bringup/cleanup * is not done properly, iftype is stuck with AP mode. * So during next wlan0 up, forcing the type to STA */ netinfo = wl_get_netinfo_by_wdev(cfg, wdev); if (!netinfo) { WL_ERR(("there is no netinfo\n")); return -ENODEV; } ndev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION; netinfo->iftype = WL_IF_TYPE_STA; #endif if (cfg80211_to_wl_iftype(wdev->iftype, &wl_iftype, &wl_mode) < 0) { return -EINVAL; } err = wl_config_infra(cfg, ndev, wl_iftype); if (unlikely(err && err != -EINPROGRESS)) { WL_ERR(("wl_config_infra failed\n")); if (err == -1) { WL_ERR(("return error %d\n", err)); return err; } } err = wl_init_scan(cfg); if (err) { WL_ERR(("wl_init_scan failed\n")); return err; } err = __wl_update_wiphybands(cfg, true); if (unlikely(err)) { WL_ERR(("wl_update_wiphybands failed\n")); if (err == -1) { WL_ERR(("return error %d\n", err)); return err; } } err = wldev_iovar_getbuf(ndev, "wlc_ver", NULL, 0, &cfg->wlc_ver, sizeof(wl_wlc_version_t), NULL); if (likely(!err)) { WL_INFORM(("wl version. Major: %d\n", cfg->wlc_ver.wlc_ver_major)); if ((cfg->wlc_ver.wlc_ver_major >= MIN_ESCAN_PARAM_V2_FW_MAJOR) && (wldev_iovar_getbuf(ndev, "scan_ver", NULL, 0, ioctl_buf, sizeof(ioctl_buf), NULL) == BCME_OK)) { WL_INFORM_MEM(("scan_params v2\n")); /* use scan_params ver2 */ cfg->scan_params_v2 = true; } } else { if (err == BCME_UNSUPPORTED) { /* Ignore on unsupported chips */ err = BCME_OK; } else { WL_ERR(("wlc_ver query failed. err: %d\n", err)); return err; } } #ifdef DHD_LOSSLESS_ROAMING if (timer_pending(&cfg->roam_timeout)) { del_timer_sync(&cfg->roam_timeout); } #endif /* DHD_LOSSLESS_ROAMING */ err = dhd_monitor_init(cfg->pub); #ifdef WL_HOST_BAND_MGMT /* By default the curr_band is initialized to BAND_AUTO */ if ((ret = wl_cfg80211_set_band(ndev, WLC_BAND_AUTO)) < 0) { if (ret == BCME_UNSUPPORTED) { /* Don't fail the initialization, lets just * fall back to the original method */ WL_ERR(("WL_HOST_BAND_MGMT defined, " "but roam_band iovar not supported \n")); } else { WL_ERR(("roam_band failed. ret=%d", ret)); err = -1; } } #endif /* WL_HOST_BAND_MGMT */ #ifdef WLTDLS if (wldev_iovar_getint(ndev, "tdls_enable", &tdls) == 0) { WL_DBG(("TDLS supported in fw\n")); cfg->tdls_supported = true; } #endif /* WLTDLS */ #ifdef WL_IFACE_MGMT #ifdef CUSTOM_IF_MGMT_POLICY cfg->iface_data.policy = CUSTOM_IF_MGMT_POLICY; #else cfg->iface_data.policy = WL_IF_POLICY_DEFAULT; #endif /* CUSTOM_IF_MGMT_POLICY */ #endif /* WL_IFACE_MGMT */ #ifdef WL_NAN #ifdef WL_NANP2P if (FW_SUPPORTED(dhd, nanp2p)) { /* Enable NANP2P concurrent support */ cfg->conc_disc = WL_NANP2P_CONC_SUPPORT; WL_INFORM_MEM(("nan + p2p conc discovery is supported\n")); cfg->nan_p2p_supported = true; } #endif /* WL_NANP2P */ #endif /* WL_NAN */ INIT_DELAYED_WORK(&cfg->pm_enable_work, wl_cfg80211_work_handler); wl_set_drv_status(cfg, READY, ndev); return err; } static s32 __wl_cfg80211_down(struct bcm_cfg80211 *cfg) { s32 err = 0; struct net_info *iter, *next; struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); #if defined(WL_CFG80211) && (defined(WL_ENABLE_P2P_IF) || \ defined(WL_NEW_CFG_PRIVCMD_SUPPORT)) && !defined(PLATFORM_SLP) struct net_device *p2p_net = cfg->p2p_net; #endif dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); WL_INFORM_MEM(("cfg80211 down\n")); /* Check if cfg80211 interface is already down */ if (!wl_get_drv_status(cfg, READY, ndev)) { WL_DBG(("cfg80211 interface is already down\n")); return err; /* it is even not ready */ } #ifdef SHOW_LOGTRACE /* Stop the event logging */ wl_add_remove_eventmsg(ndev, WLC_E_TRACE, FALSE); #endif /* SHOW_LOGTRACE */ /* clear vendor OUI list */ wl_vndr_ies_clear_vendor_oui_list(cfg); /* Delete pm_enable_work */ wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL); if (cfg->p2p_supported) { wl_clr_p2p_status(cfg, GO_NEG_PHASE); #ifdef PROP_TXSTATUS_VSDB #if defined(BCMSDIO) || defined(BCMDBUS) if (wl_cfgp2p_vif_created(cfg)) { bool enabled = false; dhd_wlfc_get_enable(dhd, &enabled); if (enabled && cfg->wlfc_on && dhd->op_mode != DHD_FLAG_HOSTAP_MODE && dhd->op_mode != DHD_FLAG_IBSS_MODE) { dhd_wlfc_deinit(dhd); cfg->wlfc_on = false; } } #endif /* BCMSDIO || BCMDBUS */ #endif /* PROP_TXSTATUS_VSDB */ } #ifdef WL_NAN mutex_lock(&cfg->if_sync); /* Cancel pending nan disable work if any */ if (delayed_work_pending(&cfg->nan_disable)) { WL_DBG(("Unarm the nan_disable work\n")); cancel_delayed_work_sync(&cfg->nan_disable); } cfg->nancfg.disable_reason = NAN_BUS_IS_DOWN; wl_cfgnan_disable(cfg); mutex_unlock(&cfg->if_sync); #endif /* WL_NAN */ if (!dhd_download_fw_on_driverload) { /* For built-in drivers/other drivers that do reset on * "ifconfig down", cleanup any left * over interfaces */ wl_cfg80211_cleanup_virtual_ifaces(cfg, false); } /* Clear used mac addr mask */ cfg->vif_macaddr_mask = 0; if (dhd->up) { /* If primary BSS is operational (for e.g SoftAP), bring it down */ if (wl_cfg80211_bss_isup(ndev, 0)) { if (wl_cfg80211_bss_up(cfg, ndev, 0, 0) < 0) WL_ERR(("BSS down failed \n")); } /* clear all the security setting on primary Interface */ wl_cfg80211_clear_security(cfg); } GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev) /* p2p discovery iface is null */ wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev); } #ifdef P2P_LISTEN_OFFLOADING wl_cfg80211_p2plo_deinit(cfg); #endif /* P2P_LISTEN_OFFLOADING */ /* cancel and notify scan complete, if scan request is pending */ wl_cfg80211_cancel_scan(cfg); GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); /* p2p discovery iface ndev ptr could be null */ if (iter->ndev == NULL) continue; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) WL_INFORM_MEM(("wl_cfg80211_down. connection state bit status: [%u:%u:%u:%u]\n", wl_get_drv_status(cfg, CONNECTING, ndev), wl_get_drv_status(cfg, CONNECTED, ndev), wl_get_drv_status(cfg, DISCONNECTING, ndev), wl_get_drv_status(cfg, NESTED_CONNECT, ndev))); if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) { CFG80211_DISCONNECTED(iter->ndev, 0, NULL, 0, false, GFP_KERNEL); } if ((iter->ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION) && wl_get_drv_status(cfg, CONNECTING, iter->ndev)) { u8 *latest_bssid = wl_read_prof(cfg, ndev, WL_PROF_LATEST_BSSID); struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct wireless_dev *wdev = ndev->ieee80211_ptr; struct cfg80211_bss *bss = CFG80211_GET_BSS(wiphy, NULL, latest_bssid, wdev->ssid, wdev->ssid_len); BCM_REFERENCE(bss); CFG80211_CONNECT_RESULT(ndev, latest_bssid, bss, NULL, 0, NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); } #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) */ wl_clr_drv_status(cfg, READY, iter->ndev); wl_clr_drv_status(cfg, SCANNING, iter->ndev); wl_clr_drv_status(cfg, SCAN_ABORTING, iter->ndev); wl_clr_drv_status(cfg, CONNECTING, iter->ndev); wl_clr_drv_status(cfg, CONNECTED, iter->ndev); wl_clr_drv_status(cfg, DISCONNECTING, iter->ndev); wl_clr_drv_status(cfg, AP_CREATED, iter->ndev); wl_clr_drv_status(cfg, AP_CREATING, iter->ndev); wl_clr_drv_status(cfg, NESTED_CONNECT, iter->ndev); wl_clr_drv_status(cfg, CFG80211_CONNECT, iter->ndev); } bcmcfg_to_prmry_ndev(cfg)->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION; #if defined(WL_CFG80211) && (defined(WL_ENABLE_P2P_IF) || \ defined(WL_NEW_CFG_PRIVCMD_SUPPORT)) && !defined(PLATFORM_SLP) if (p2p_net) dev_close(p2p_net); #endif /* Avoid deadlock from wl_cfg80211_down */ if (!dhd_download_fw_on_driverload) { mutex_unlock(&cfg->usr_sync); wl_destroy_event_handler(cfg); mutex_lock(&cfg->usr_sync); } wl_flush_eq(cfg); wl_link_down(cfg); if (cfg->p2p_supported) { if (timer_pending(&cfg->p2p->listen_timer)) del_timer_sync(&cfg->p2p->listen_timer); wl_cfgp2p_down(cfg); } if (timer_pending(&cfg->scan_timeout)) { del_timer_sync(&cfg->scan_timeout); } wl_cfg80211_clear_mgmt_vndr_ies(cfg); DHD_OS_SCAN_WAKE_UNLOCK((dhd_pub_t *)(cfg->pub)); dhd_monitor_uninit(); #ifdef WLAIBSS_MCHAN bcm_cfg80211_del_ibss_if(cfg->wdev->wiphy, cfg->ibss_cfgdev); #endif /* WLAIBSS_MCHAN */ #ifdef WL11U /* Clear interworking element. */ if (cfg->wl11u) { cfg->wl11u = FALSE; } #endif /* WL11U */ cfg->disable_roam_event = false; DNGL_FUNC(dhd_cfg80211_down, (cfg)); #ifdef DHD_IFDEBUG /* Printout all netinfo entries */ wl_probe_wdev_all(cfg); #endif /* DHD_IFDEBUG */ return err; } s32 wl_cfg80211_up(struct net_device *net) { struct bcm_cfg80211 *cfg; s32 err = 0; int val = 1; dhd_pub_t *dhd; #ifdef DISABLE_PM_BCNRX s32 interr = 0; uint param = 0; s8 iovbuf[WLC_IOCTL_SMLEN]; #endif /* DISABLE_PM_BCNRX */ WL_DBG(("In\n")); cfg = wl_get_cfg(net); if ((err = wldev_ioctl_get(bcmcfg_to_prmry_ndev(cfg), WLC_GET_VERSION, &val, sizeof(int)) < 0)) { WL_ERR(("WLC_GET_VERSION failed, err=%d\n", err)); return err; } val = dtoh32(val); if (val != WLC_IOCTL_VERSION && val != 1) { WL_ERR(("Version mismatch, please upgrade. Got %d, expected %d or 1\n", val, WLC_IOCTL_VERSION)); return BCME_VERSION; } ioctl_version = val; WL_TRACE(("WLC_GET_VERSION=%d\n", ioctl_version)); wl_cfg80211_check_in4way(cfg, net, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED, WL_EXT_STATUS_DISCONNECTED, NULL); mutex_lock(&cfg->usr_sync); dhd = (dhd_pub_t *)(cfg->pub); if (!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) { err = wl_cfg80211_attach_post(bcmcfg_to_prmry_ndev(cfg)); if (unlikely(err)) { mutex_unlock(&cfg->usr_sync); return err; } } #ifdef WLMESH_CFG80211 cfg->wdev->wiphy->features |= NL80211_FEATURE_USERSPACE_MPM; #endif /* WLMESH_CFG80211 */ #if defined(BCMSUP_4WAY_HANDSHAKE) if (dhd->fw_4way_handshake) { /* This is a hacky method to indicate fw 4WHS support and * is used only for kernels (kernels < 3.14). For newer * kernels, we would be using vendor extn. path to advertise * FW based 4-way handshake feature support. */ cfg->wdev->wiphy->features |= NL80211_FEATURE_FW_4WAY_HANDSHAKE; } #endif /* BCMSUP_4WAY_HANDSHAKE */ err = __wl_cfg80211_up(cfg); if (unlikely(err)) WL_ERR(("__wl_cfg80211_up failed\n")); #ifdef ROAM_CHANNEL_CACHE if (init_roam_cache(cfg, ioctl_version) == 0) { /* Enable support for Roam cache */ cfg->rcc_enabled = true; WL_ERR(("Roam channel cache enabled\n")); } else { WL_ERR(("Failed to enable RCC.\n")); } #endif /* ROAM_CHANNEL_CACHE */ /* IOVAR configurations with 'up' condition */ #ifdef DISABLE_PM_BCNRX interr = wldev_iovar_setbuf(net, "pm_bcnrx", (char *)¶m, sizeof(param), iovbuf, sizeof(iovbuf), &cfg->ioctl_buf_sync); if (unlikely(interr)) { WL_ERR(("Set pm_bcnrx returned (%d)\n", interr)); } #endif /* DISABLE_PM_BCNRX */ #ifdef WL_CHAN_UTIL interr = wl_cfg80211_start_bssload_report(net); if (unlikely(interr)) { WL_ERR(("%s: Failed to start bssload_report eventing, err=%d\n", __FUNCTION__, interr)); } #endif /* WL_CHAN_UTIL */ mutex_unlock(&cfg->usr_sync); #ifdef WLAIBSS_MCHAN bcm_cfg80211_add_ibss_if(cfg->wdev->wiphy, IBSS_IF_NAME); #endif /* WLAIBSS_MCHAN */ return err; } /* Private Event to Supplicant with indication that chip hangs */ int wl_cfg80211_hang(struct net_device *dev, u16 reason) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhd; if (!cfg) { return BCME_ERROR; } RETURN_EIO_IF_NOT_UP(cfg); dhd = (dhd_pub_t *)(cfg->pub); if ((dhd->hang_reason <= HANG_REASON_MASK) || (dhd->hang_reason >= HANG_REASON_MAX)) { WL_ERR(("wl_cfg80211_hang, Invalid hang reason 0x%x\n", dhd->hang_reason)); dhd->hang_reason = HANG_REASON_UNKNOWN; } WL_ERR(("In : chip crash eventing, reason=0x%x\n", (uint32)(dhd->hang_reason))); wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL); { if (dhd->up == TRUE) { CFG80211_DISCONNECTED(dev, reason, NULL, 0, false, GFP_KERNEL); } } #if defined(RSSIAVG) wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl); #endif #if defined(BSSCACHE) wl_free_bss_cache(&cfg->g_bss_cache_ctrl); #endif if (cfg != NULL) { wl_link_down(cfg); } return 0; } s32 wl_cfg80211_down(struct net_device *dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); s32 err = BCME_ERROR; WL_DBG(("In\n")); if (cfg && (cfg == wl_cfg80211_get_bcmcfg())) { mutex_lock(&cfg->usr_sync); #if defined(RSSIAVG) wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl); #endif #if defined(BSSCACHE) wl_free_bss_cache(&cfg->g_bss_cache_ctrl); #endif err = __wl_cfg80211_down(cfg); mutex_unlock(&cfg->usr_sync); } return err; } void wl_cfg80211_sta_ifdown(struct net_device *dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); WL_DBG(("In\n")); if (cfg) { /* cancel scan if anything pending */ wl_cfg80211_cancel_scan(cfg); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION) && wl_get_drv_status(cfg, CONNECTED, dev)) { CFG80211_DISCONNECTED(dev, 0, NULL, 0, false, GFP_KERNEL); } #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) */ } } void *wl_read_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 item) { unsigned long flags; void *rptr = NULL; struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev); if (!profile) return NULL; WL_CFG_DRV_LOCK(&cfg->cfgdrv_lock, flags); switch (item) { case WL_PROF_SEC: rptr = &profile->sec; break; case WL_PROF_ACT: rptr = &profile->active; break; case WL_PROF_BSSID: rptr = profile->bssid; break; case WL_PROF_SSID: rptr = &profile->ssid; break; case WL_PROF_CHAN: rptr = &profile->channel; break; case WL_PROF_LATEST_BSSID: rptr = profile->latest_bssid; break; } WL_CFG_DRV_UNLOCK(&cfg->cfgdrv_lock, flags); if (!rptr) WL_ERR(("invalid item (%d)\n", item)); return rptr; } static s32 wl_update_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, const void *data, s32 item) { s32 err = 0; const struct wlc_ssid *ssid; unsigned long flags; struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev); if (!profile) return WL_INVALID; WL_CFG_DRV_LOCK(&cfg->cfgdrv_lock, flags); switch (item) { case WL_PROF_SSID: ssid = (const wlc_ssid_t *) data; bzero(profile->ssid.SSID, sizeof(profile->ssid.SSID)); profile->ssid.SSID_len = MIN(ssid->SSID_len, DOT11_MAX_SSID_LEN); memcpy(profile->ssid.SSID, ssid->SSID, profile->ssid.SSID_len); break; case WL_PROF_BSSID: if (data) memcpy(profile->bssid, data, ETHER_ADDR_LEN); else bzero(profile->bssid, ETHER_ADDR_LEN); break; case WL_PROF_SEC: memcpy(&profile->sec, data, sizeof(profile->sec)); break; case WL_PROF_ACT: profile->active = *(const bool *)data; break; case WL_PROF_BEACONINT: profile->beacon_interval = *(const u16 *)data; break; case WL_PROF_DTIMPERIOD: profile->dtim_period = *(const u8 *)data; break; case WL_PROF_CHAN: profile->channel = *(const u32*)data; break; case WL_PROF_LATEST_BSSID: if (data) { memcpy_s(profile->latest_bssid, sizeof(profile->latest_bssid), data, ETHER_ADDR_LEN); } else { memset_s(profile->latest_bssid, sizeof(profile->latest_bssid), 0, ETHER_ADDR_LEN); } break; default: err = -EOPNOTSUPP; break; } WL_CFG_DRV_UNLOCK(&cfg->cfgdrv_lock, flags); if (err == -EOPNOTSUPP) WL_ERR(("unsupported item (%d)\n", item)); return err; } void wl_cfg80211_dbg_level(u32 level) { /* * prohibit to change debug level * by insmod parameter. * eventually debug level will be configured * in compile time by using CONFIG_XXX */ /* wl_dbg_level = level; */ } static bool wl_is_ibssmode(struct bcm_cfg80211 *cfg, struct net_device *ndev) { return wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_IBSS; } static __used bool wl_is_ibssstarter(struct bcm_cfg80211 *cfg) { return cfg->ibss_starter; } static void wl_rst_ie(struct bcm_cfg80211 *cfg) { struct wl_ie *ie = wl_to_ie(cfg); ie->offset = 0; bzero(ie->buf, sizeof(ie->buf)); } static __used s32 wl_add_ie(struct bcm_cfg80211 *cfg, u8 t, u8 l, u8 *v) { struct wl_ie *ie = wl_to_ie(cfg); s32 err = 0; if (unlikely(ie->offset + l + 2 > WL_TLV_INFO_MAX)) { WL_ERR(("ei crosses buffer boundary\n")); return -ENOSPC; } ie->buf[ie->offset] = t; ie->buf[ie->offset + 1] = l; memcpy(&ie->buf[ie->offset + 2], v, l); ie->offset += l + 2; return err; } static void wl_update_hidden_ap_ie(wl_bss_info_t *bi, const u8 *ie_stream, u32 *ie_size, bool update_ssid) { u8 *ssidie; int32 ssid_len = MIN(bi->SSID_len, DOT11_MAX_SSID_LEN); int32 remaining_ie_buf_len, available_buffer_len, unused_buf_len; /* cfg80211_find_ie defined in kernel returning const u8 */ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); ssidie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID, ie_stream, *ie_size); GCC_DIAGNOSTIC_POP(); /* ERROR out if * 1. No ssid IE is FOUND or * 2. New ssid length is > what was allocated for existing ssid (as * we do not want to overwrite the rest of the IEs) or * 3. If in case of erroneous buffer input where ssid length doesnt match the space * allocated to it. */ if (!ssidie) { return; } available_buffer_len = ((int)(*ie_size)) - (ssidie + 2 - ie_stream); remaining_ie_buf_len = available_buffer_len - (int)ssidie[1]; unused_buf_len = WL_EXTRA_BUF_MAX - (4 + bi->length + *ie_size); if (ssidie[1] > available_buffer_len) { WL_ERR_MEM(("wl_update_hidden_ap_ie: skip wl_update_hidden_ap_ie : overflow\n")); return; } if (ssidie[1] != ssid_len) { if (ssidie[1]) { WL_ERR_RLMT(("wl_update_hidden_ap_ie: Wrong SSID len: %d != %d\n", ssidie[1], bi->SSID_len)); } /* * The bss info in firmware gets updated from beacon and probe resp. * In case of hidden network, the bss_info that got updated by beacon, * will not carry SSID and this can result in cfg80211_get_bss not finding a match. * so include the SSID element. */ if ((update_ssid && (ssid_len > ssidie[1])) && (unused_buf_len > ssid_len)) { WL_INFORM_MEM(("Changing the SSID Info.\n")); memmove(ssidie + ssid_len + 2, (ssidie + 2) + ssidie[1], remaining_ie_buf_len); memcpy(ssidie + 2, bi->SSID, ssid_len); *ie_size = *ie_size + ssid_len - ssidie[1]; ssidie[1] = ssid_len; } else if (ssid_len < ssidie[1]) { WL_ERR_MEM(("wl_update_hidden_ap_ie: Invalid SSID len: %d < %d\n", bi->SSID_len, ssidie[1])); } return; } if (*(ssidie + 2) == '\0') memcpy(ssidie + 2, bi->SSID, ssid_len); return; } static s32 wl_mrg_ie(struct bcm_cfg80211 *cfg, u8 *ie_stream, u16 ie_size) { struct wl_ie *ie = wl_to_ie(cfg); s32 err = 0; if (unlikely(ie->offset + ie_size > WL_TLV_INFO_MAX)) { WL_ERR(("ei_stream crosses buffer boundary\n")); return -ENOSPC; } memcpy(&ie->buf[ie->offset], ie_stream, ie_size); ie->offset += ie_size; return err; } static s32 wl_cp_ie(struct bcm_cfg80211 *cfg, u8 *dst, u16 dst_size) { struct wl_ie *ie = wl_to_ie(cfg); s32 err = 0; if (unlikely(ie->offset > dst_size)) { WL_ERR(("dst_size is not enough\n")); return -ENOSPC; } memcpy(dst, &ie->buf[0], ie->offset); return err; } static u32 wl_get_ielen(struct bcm_cfg80211 *cfg) { struct wl_ie *ie = wl_to_ie(cfg); return ie->offset; } static void wl_link_up(struct bcm_cfg80211 *cfg) { cfg->link_up = true; } static void wl_link_down(struct bcm_cfg80211 *cfg) { struct wl_connect_info *conn_info = wl_to_conn(cfg); WL_DBG(("In\n")); cfg->link_up = false; if (conn_info) { conn_info->req_ie_len = 0; conn_info->resp_ie_len = 0; } } static unsigned long wl_lock_eq(struct bcm_cfg80211 *cfg) { unsigned long flags; WL_CFG_EQ_LOCK(&cfg->eq_lock, flags); return flags; } static void wl_unlock_eq(struct bcm_cfg80211 *cfg, unsigned long flags) { WL_CFG_EQ_UNLOCK(&cfg->eq_lock, flags); } static void wl_init_eq_lock(struct bcm_cfg80211 *cfg) { spin_lock_init(&cfg->eq_lock); } static void wl_delay(u32 ms) { if (in_atomic() || (ms < jiffies_to_msecs(1))) { OSL_DELAY(ms*1000); } else { OSL_SLEEP(ms); } } s32 wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr) { struct bcm_cfg80211 *cfg = wl_get_cfg(net); struct ether_addr primary_mac; if (!cfg->p2p) return -1; if (!p2p_is_on(cfg)) { get_primary_mac(cfg, &primary_mac); #ifndef WL_P2P_USE_RANDMAC wl_cfgp2p_generate_bss_mac(cfg, &primary_mac); #endif /* WL_P2P_USE_RANDMAC */ memcpy((void *)&p2pdev_addr, (void *)&primary_mac, ETHER_ADDR_LEN); } else { memcpy(p2pdev_addr->octet, wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_DEVICE).octet, ETHER_ADDR_LEN); } return 0; } s32 wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len) { struct bcm_cfg80211 *cfg = wl_get_cfg(net); return wl_cfgp2p_set_p2p_noa(cfg, net, buf, len); } s32 wl_cfg80211_get_p2p_noa(struct net_device *net, char* buf, int len) { struct bcm_cfg80211 *cfg = wl_get_cfg(net); return wl_cfgp2p_get_p2p_noa(cfg, net, buf, len); } s32 wl_cfg80211_set_p2p_ps(struct net_device *net, char* buf, int len) { struct bcm_cfg80211 *cfg = wl_get_cfg(net); return wl_cfgp2p_set_p2p_ps(cfg, net, buf, len); } s32 wl_cfg80211_set_p2p_ecsa(struct net_device *net, char* buf, int len) { struct bcm_cfg80211 *cfg = wl_get_cfg(net); return wl_cfgp2p_set_p2p_ecsa(cfg, net, buf, len); } s32 wl_cfg80211_increase_p2p_bw(struct net_device *net, char* buf, int len) { struct bcm_cfg80211 *cfg = wl_get_cfg(net); return wl_cfgp2p_increase_p2p_bw(cfg, net, buf, len); } #ifdef P2PLISTEN_AP_SAMECHN s32 wl_cfg80211_set_p2p_resp_ap_chn(struct net_device *net, s32 enable) { s32 ret = wldev_iovar_setint(net, "p2p_resp_ap_chn", enable); if ((ret == 0) && enable) { /* disable PM for p2p responding on infra AP channel */ s32 pm = PM_OFF; ret = wldev_ioctl_set(net, WLC_SET_PM, &pm, sizeof(pm)); } return ret; } #endif /* P2PLISTEN_AP_SAMECHN */ s32 wl_cfg80211_channel_to_freq(u32 channel) { int freq = 0; #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(channel); #else { u16 band = 0; if (channel <= CH_MAX_2G_CHANNEL) band = IEEE80211_BAND_2GHZ; else band = IEEE80211_BAND_5GHZ; freq = ieee80211_channel_to_frequency(channel, band); } #endif // endif return freq; } #ifdef WLTDLS s32 wl_tdls_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct net_device *ndev = NULL; u32 reason = ntoh32(e->reason); s8 *msg = NULL; ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); switch (reason) { case WLC_E_TDLS_PEER_DISCOVERED : msg = " TDLS PEER DISCOVERD "; break; case WLC_E_TDLS_PEER_CONNECTED : if (cfg->tdls_mgmt_frame) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, 0, GFP_ATOMIC); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \ defined(WL_COMPAT_WIRELESS) cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, GFP_ATOMIC); #else cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, GFP_ATOMIC); #endif /* LINUX_VERSION >= VERSION(3, 18,0) || WL_COMPAT_WIRELESS */ } msg = " TDLS PEER CONNECTED "; #ifdef SUPPORT_SET_CAC /* TDLS connect reset CAC */ wl_cfg80211_set_cac(cfg, 0); #endif /* SUPPORT_SET_CAC */ break; case WLC_E_TDLS_PEER_DISCONNECTED : if (cfg->tdls_mgmt_frame) { MFREE(cfg->osh, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len); cfg->tdls_mgmt_frame_len = 0; cfg->tdls_mgmt_freq = 0; } msg = "TDLS PEER DISCONNECTED "; #ifdef SUPPORT_SET_CAC /* TDLS disconnec, set CAC */ wl_cfg80211_set_cac(cfg, 1); #endif /* SUPPORT_SET_CAC */ break; } if (msg) { WL_ERR(("%s: " MACDBG " on %s ndev\n", msg, MAC2STRDBG((const u8*)(&e->addr)), (bcmcfg_to_prmry_ndev(cfg) == ndev) ? "primary" : "secondary")); } return 0; } #endif /* WLTDLS */ static s32 #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS) #if (defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)) || (LINUX_VERSION_CODE < \ KERNEL_VERSION(3, 16, 0) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, const u8 *buf, size_t len) #elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) && \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0))) wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, const u8 *buf, size_t len) #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, bool initiator, const u8 *buf, size_t len) #else /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */ wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, const u8 *buf, size_t len) #endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */ { s32 ret = 0; #if defined(TDLS_MSG_ONLY_WFD) && defined(WLTDLS) struct bcm_cfg80211 *cfg; tdls_wfd_ie_iovar_t info; bzero(&info, sizeof(info)); cfg = wl_get_cfg(dev); #if defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2) /* Some customer platform back ported this feature from kernel 3.15 to kernel 3.10 * and that cuases build error */ BCM_REFERENCE(peer_capability); #endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */ switch (action_code) { /* We need to set TDLS Wifi Display IE to firmware * using tdls_wfd_ie iovar */ case WLAN_TDLS_SET_PROBE_WFD_IE: WL_ERR(("wl_cfg80211_tdls_mgmt: WLAN_TDLS_SET_PROBE_WFD_IE\n")); info.mode = TDLS_WFD_PROBE_IE_TX; if (len > sizeof(info.data)) { return -EINVAL; } memcpy(&info.data, buf, len); info.length = len; break; case WLAN_TDLS_SET_SETUP_WFD_IE: WL_ERR(("wl_cfg80211_tdls_mgmt: WLAN_TDLS_SET_SETUP_WFD_IE\n")); info.mode = TDLS_WFD_IE_TX; if (len > sizeof(info.data)) { return -EINVAL; } memcpy(&info.data, buf, len); info.length = len; break; case WLAN_TDLS_SET_WFD_ENABLED: WL_ERR(("wl_cfg80211_tdls_mgmt: WLAN_TDLS_SET_MODE_WFD_ENABLED\n")); dhd_tdls_set_mode((dhd_pub_t *)(cfg->pub), true); goto out; case WLAN_TDLS_SET_WFD_DISABLED: WL_ERR(("wl_cfg80211_tdls_mgmt: WLAN_TDLS_SET_MODE_WFD_DISABLED\n")); dhd_tdls_set_mode((dhd_pub_t *)(cfg->pub), false); goto out; default: WL_ERR(("Unsupported action code : %d\n", action_code)); goto out; } ret = wldev_iovar_setbuf(dev, "tdls_wfd_ie", &info, sizeof(info), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (ret) { WL_ERR(("tdls_wfd_ie error %d\n", ret)); } out: #endif /* TDLS_MSG_ONLY_WFD && WLTDLS */ return ret; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, enum nl80211_tdls_operation oper) #else static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, u8 *peer, enum nl80211_tdls_operation oper) #endif // endif { s32 ret = 0; #ifdef WLTDLS struct bcm_cfg80211 *cfg = wl_get_cfg(dev); tdls_iovar_t info; dhd_pub_t *dhdp; bool tdls_auto_mode = false; dhdp = (dhd_pub_t *)(cfg->pub); bzero(&info, sizeof(tdls_iovar_t)); if (peer) { memcpy(&info.ea, peer, ETHER_ADDR_LEN); } else { return -1; } switch (oper) { case NL80211_TDLS_DISCOVERY_REQ: /* If the discovery request is broadcast then we need to set * info.mode to Tunneled Probe Request */ if (memcmp(peer, (const uint8 *)BSSID_BROADCAST, ETHER_ADDR_LEN) == 0) { info.mode = TDLS_MANUAL_EP_WFD_TPQ; WL_ERR(("wl_cfg80211_tdls_oper: TDLS TUNNELED PRBOBE REQUEST\n")); } else { info.mode = TDLS_MANUAL_EP_DISCOVERY; } break; case NL80211_TDLS_SETUP: if (dhdp->tdls_mode == true) { info.mode = TDLS_MANUAL_EP_CREATE; tdls_auto_mode = false; /* Do tear down and create a fresh one */ ret = wl_cfg80211_tdls_config(cfg, TDLS_STATE_TEARDOWN, tdls_auto_mode); if (ret < 0) { return ret; } } else { tdls_auto_mode = true; } break; case NL80211_TDLS_TEARDOWN: info.mode = TDLS_MANUAL_EP_DELETE; break; default: WL_ERR(("Unsupported operation : %d\n", oper)); goto out; } /* turn on TDLS */ ret = wl_cfg80211_tdls_config(cfg, TDLS_STATE_SETUP, tdls_auto_mode); if (ret < 0) { return ret; } if (info.mode) { ret = wldev_iovar_setbuf(dev, "tdls_endpoint", &info, sizeof(info), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (ret) { WL_ERR(("tdls_endpoint error %d\n", ret)); } } out: if (ret) { wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL); return -ENOTSUPP; } #endif /* WLTDLS */ return ret; } #endif /* LINUX_VERSION > VERSION(3,2,0) || WL_COMPAT_WIRELESS */ s32 wl_cfg80211_set_wps_p2p_ie(struct net_device *ndev, char *buf, int len, enum wl_management_type type) { struct bcm_cfg80211 *cfg; s32 ret = 0; struct ether_addr primary_mac; s32 bssidx = 0; s32 pktflag = 0; cfg = wl_get_cfg(ndev); if (wl_get_drv_status(cfg, AP_CREATING, ndev)) { /* Vendor IEs should be set to FW * after SoftAP interface is brought up */ WL_DBG(("Skipping set IE since AP is not up \n")); goto exit; } else if (ndev == bcmcfg_to_prmry_ndev(cfg)) { /* Either stand alone AP case or P2P discovery */ if (wl_get_drv_status(cfg, AP_CREATED, ndev)) { /* Stand alone AP case on primary interface */ WL_DBG(("Apply IEs for Primary AP Interface \n")); bssidx = 0; } else { if (!cfg->p2p) { /* If p2p not initialized, return failure */ WL_ERR(("P2P not initialized \n")); goto exit; } /* P2P Discovery case (p2p listen) */ if (!cfg->p2p->on) { /* Turn on Discovery interface */ get_primary_mac(cfg, &primary_mac); #ifndef WL_P2P_USE_RANDMAC wl_cfgp2p_generate_bss_mac(cfg, &primary_mac); #endif /* WL_P2P_USE_RANDMAC */ p2p_on(cfg) = true; ret = wl_cfgp2p_enable_discovery(cfg, ndev, NULL, 0); if (unlikely(ret)) { WL_ERR(("Enable discovery failed \n")); goto exit; } } WL_DBG(("Apply IEs for P2P Discovery Iface \n")); ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY); bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); } } else { /* Virtual AP/ P2P Group Interface */ WL_DBG(("Apply IEs for iface:%s\n", ndev->name)); bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr); } if (ndev != NULL) { switch (type) { case WL_BEACON: pktflag = VNDR_IE_BEACON_FLAG; break; case WL_PROBE_RESP: pktflag = VNDR_IE_PRBRSP_FLAG; break; case WL_ASSOC_RESP: pktflag = VNDR_IE_ASSOCRSP_FLAG; break; } if (pktflag) { ret = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(ndev), bssidx, pktflag, buf, len); } } exit: return ret; } #ifdef WL_SUPPORT_AUTO_CHANNEL static s32 wl_cfg80211_set_auto_channel_scan_state(struct net_device *ndev) { u32 val = 0; s32 ret = BCME_ERROR; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); /* Set interface up, explicitly. */ val = 1; ret = wldev_ioctl_set(ndev, WLC_UP, (void *)&val, sizeof(val)); if (ret < 0) { WL_ERR(("set interface up failed, error = %d\n", ret)); goto done; } /* Stop all scan explicitly, till auto channel selection complete. */ wl_set_drv_status(cfg, SCANNING, ndev); if (cfg->escan_info.ndev == NULL) { ret = BCME_OK; goto done; } wl_cfg80211_cancel_scan(cfg); done: return ret; } static bool wl_cfg80211_valid_channel_p2p(int channel) { bool valid = false; /* channel 1 to 14 */ if ((channel >= 1) && (channel <= 14)) { valid = true; } /* channel 36 to 48 */ else if ((channel >= 36) && (channel <= 48)) { valid = true; } /* channel 149 to 161 */ else if ((channel >= 149) && (channel <= 161)) { valid = true; } else { valid = false; WL_INFORM(("invalid P2P chanspec, channel = %d\n", channel)); } return valid; } s32 wl_cfg80211_get_chanspecs_2g(struct net_device *ndev, void *buf, s32 buflen) { s32 ret = BCME_ERROR; struct bcm_cfg80211 *cfg = NULL; chanspec_t chanspec = 0; cfg = wl_get_cfg(ndev); /* Restrict channels to 2.4GHz, 20MHz BW, no SB. */ chanspec |= (WL_CHANSPEC_BAND_2G | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE); chanspec = wl_chspec_host_to_driver(chanspec); ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec, sizeof(chanspec), buf, buflen, 0, &cfg->ioctl_buf_sync); if (ret < 0) { WL_ERR(("get 'chanspecs' failed, error = %d\n", ret)); } return ret; } s32 wl_cfg80211_get_chanspecs_5g(struct net_device *ndev, void *buf, s32 buflen) { u32 channel = 0; s32 ret = BCME_ERROR; s32 i = 0; s32 j = 0; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); wl_uint32_list_t *list = NULL; chanspec_t chanspec = 0; /* Restrict channels to 5GHz, 20MHz BW, no SB. */ chanspec |= (WL_CHANSPEC_BAND_5G | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE); chanspec = wl_chspec_host_to_driver(chanspec); ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec, sizeof(chanspec), buf, buflen, 0, &cfg->ioctl_buf_sync); if (ret < 0) { WL_ERR(("get 'chanspecs' failed, error = %d\n", ret)); goto done; } list = (wl_uint32_list_t *)buf; /* Skip DFS and inavlid P2P channel. */ for (i = 0, j = 0; i < dtoh32(list->count); i++) { chanspec = (chanspec_t) dtoh32(list->element[i]); channel = CHSPEC_CHANNEL(chanspec); ret = wldev_iovar_getint(ndev, "per_chan_info", &channel); if (ret < 0) { WL_ERR(("get 'per_chan_info' failed, error = %d\n", ret)); goto done; } if (CHANNEL_IS_RADAR(channel) || !(wl_cfg80211_valid_channel_p2p(CHSPEC_CHANNEL(chanspec)))) { continue; } else { list->element[j] = list->element[i]; } j++; } list->count = j; done: return ret; } static s32 wl_cfg80211_get_best_channel(struct net_device *ndev, void *buf, int buflen, int *channel) { s32 ret = BCME_ERROR; int chosen = 0; int retry = 0; uint chip; /* Start auto channel selection scan. */ ret = wldev_ioctl_set(ndev, WLC_START_CHANNEL_SEL, buf, buflen); if (ret < 0) { WL_ERR(("can't start auto channel scan, error = %d\n", ret)); *channel = 0; goto done; } /* Wait for auto channel selection, worst case possible delay is 5250ms. */ retry = CHAN_SEL_RETRY_COUNT; while (retry--) { OSL_SLEEP(CHAN_SEL_IOCTL_DELAY); chosen = 0; ret = wldev_ioctl_get(ndev, WLC_GET_CHANNEL_SEL, &chosen, sizeof(chosen)); if ((ret == 0) && (dtoh32(chosen) != 0)) { chip = dhd_conf_get_chip(dhd_get_pub(ndev)); if (chip != BCM43362_CHIP_ID && chip != BCM4330_CHIP_ID && chip != BCM43143_CHIP_ID) { u32 chanspec = 0; int ctl_chan; chanspec = wl_chspec_driver_to_host(chosen); WL_INFORM(("selected chanspec = 0x%x\n", chanspec)); ctl_chan = wf_chspec_ctlchan(chanspec); WL_INFORM(("selected ctl_chan = %d\n", ctl_chan)); *channel = (u16)(ctl_chan & 0x00FF); } else *channel = (u16)(chosen & 0x00FF); WL_INFORM(("selected channel = %d\n", *channel)); break; } WL_INFORM(("attempt = %d, ret = %d, chosen = %d\n", (CHAN_SEL_RETRY_COUNT - retry), ret, dtoh32(chosen))); } if (retry <= 0) { WL_ERR(("failure, auto channel selection timed out\n")); *channel = 0; ret = BCME_ERROR; } WL_INFORM(("selected channel = %d\n", *channel)); done: return ret; } static s32 wl_cfg80211_restore_auto_channel_scan_state(struct net_device *ndev) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); /* Clear scan stop driver status. */ wl_clr_drv_status(cfg, SCANNING, ndev); return BCME_OK; } s32 wl_cfg80211_get_best_channels(struct net_device *dev, char* cmd, int total_len) { int channel = 0, band, band_cur; s32 ret = BCME_ERROR; u8 *buf = NULL; char *pos = cmd; struct bcm_cfg80211 *cfg = NULL; struct net_device *ndev = NULL; bzero(cmd, total_len); cfg = wl_get_cfg(dev); buf = (u8 *)MALLOC(cfg->osh, CHANSPEC_BUF_SIZE); if (buf == NULL) { WL_ERR(("failed to allocate chanspec buffer\n")); return -ENOMEM; } /* * Always use primary interface, irrespective of interface on which * command came. */ ndev = bcmcfg_to_prmry_ndev(cfg); /* * Make sure that FW and driver are in right state to do auto channel * selection scan. */ ret = wl_cfg80211_set_auto_channel_scan_state(ndev); if (ret < 0) { WL_ERR(("can't set auto channel scan state, error = %d\n", ret)); goto done; } ret = wldev_ioctl(dev, WLC_GET_BAND, &band_cur, sizeof(band_cur), false); if (band_cur != WLC_BAND_5G) { /* Best channel selection in 2.4GHz band. */ ret = wl_cfg80211_get_chanspecs_2g(ndev, (void *)buf, CHANSPEC_BUF_SIZE); if (ret < 0) { WL_ERR(("can't get chanspecs in 2.4GHz, error = %d\n", ret)); goto done; } ret = wl_cfg80211_get_best_channel(ndev, (void *)buf, CHANSPEC_BUF_SIZE, &channel); if (ret < 0) { WL_ERR(("can't select best channel scan in 2.4GHz, error = %d\n", ret)); goto done; } if (CHANNEL_IS_2G(channel)) { // channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_2GHZ); } else { WL_ERR(("invalid 2.4GHz channel, channel = %d\n", channel)); channel = 0; } pos += snprintf(pos, total_len, "2g=%d ", channel); } if (band_cur != WLC_BAND_2G) { // terence 20140120: fix for some chipsets only return 2.4GHz channel (4330b2/43341b0/4339a0) band = band_cur==WLC_BAND_2G ? band_cur : WLC_BAND_5G; ret = wldev_ioctl(dev, WLC_SET_BAND, &band, sizeof(band), true); if (ret < 0) { WL_ERR(("WLC_SET_BAND error %d\n", ret)); goto done; } /* Best channel selection in 5GHz band. */ ret = wl_cfg80211_get_chanspecs_5g(ndev, (void *)buf, CHANSPEC_BUF_SIZE); if (ret < 0) { WL_ERR(("can't get chanspecs in 5GHz, error = %d\n", ret)); goto done; } ret = wl_cfg80211_get_best_channel(ndev, (void *)buf, CHANSPEC_BUF_SIZE, &channel); if (ret < 0) { WL_ERR(("can't select best channel scan in 5GHz, error = %d\n", ret)); goto done; } if (CHANNEL_IS_5G(channel)) { // channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_5GHZ); } else { WL_ERR(("invalid 5GHz channel, channel = %d\n", channel)); channel = 0; } ret = wldev_ioctl(dev, WLC_SET_BAND, &band_cur, sizeof(band_cur), true); if (ret < 0) WL_ERR(("WLC_SET_BAND error %d\n", ret)); pos += snprintf(pos, total_len, "5g=%d ", channel); } done: if (NULL != buf) { MFREE(cfg->osh, buf, CHANSPEC_BUF_SIZE); } /* Restore FW and driver back to normal state. */ ret = wl_cfg80211_restore_auto_channel_scan_state(ndev); if (ret < 0) { WL_ERR(("can't restore auto channel scan state, error = %d\n", ret)); } WL_MSG(ndev->name, "%s\n", cmd); return (pos - cmd); } #endif /* WL_SUPPORT_AUTO_CHANNEL */ static const struct rfkill_ops wl_rfkill_ops = { .set_block = wl_rfkill_set }; static int wl_rfkill_set(void *data, bool blocked) { struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data; WL_DBG(("Enter \n")); WL_DBG(("RF %s\n", blocked ? "blocked" : "unblocked")); if (!cfg) return -EINVAL; cfg->rf_blocked = blocked; return 0; } static int wl_setup_rfkill(struct bcm_cfg80211 *cfg, bool setup) { s32 err = 0; WL_DBG(("Enter \n")); if (!cfg) return -EINVAL; if (setup) { cfg->rfkill = rfkill_alloc("brcmfmac-wifi", wl_cfg80211_get_parent_dev(), RFKILL_TYPE_WLAN, &wl_rfkill_ops, (void *)cfg); if (!cfg->rfkill) { err = -ENOMEM; goto err_out; } err = rfkill_register(cfg->rfkill); if (err) rfkill_destroy(cfg->rfkill); } else { if (!cfg->rfkill) { err = -ENOMEM; goto err_out; } rfkill_unregister(cfg->rfkill); rfkill_destroy(cfg->rfkill); } err_out: return err; } #ifdef DEBUGFS_CFG80211 /** * Format : echo "SCAN:1 DBG:1" > /sys/kernel/debug/dhd/debug_level * to turn on SCAN and DBG log. * To turn off SCAN partially, echo "SCAN:0" > /sys/kernel/debug/dhd/debug_level * To see current setting of debug level, * cat /sys/kernel/debug/dhd/debug_level */ static ssize_t wl_debuglevel_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { char tbuf[SUBLOGLEVELZ * ARRAYSIZE(sublogname_map)], sublog[SUBLOGLEVELZ]; char *params, *token, *colon; uint i, tokens, log_on = 0; size_t minsize = min_t(size_t, (sizeof(tbuf) - 1), count); bzero(tbuf, sizeof(tbuf)); bzero(sublog, sizeof(sublog)); if (copy_from_user(&tbuf, userbuf, minsize)) { return -EFAULT; } tbuf[minsize] = '\0'; params = &tbuf[0]; colon = strchr(params, '\n'); if (colon != NULL) *colon = '\0'; while ((token = strsep(¶ms, " ")) != NULL) { bzero(sublog, sizeof(sublog)); if (token == NULL || !*token) break; if (*token == '\0') continue; colon = strchr(token, ':'); if (colon != NULL) { *colon = ' '; } tokens = sscanf(token, "%"S(SUBLOGLEVEL)"s %u", sublog, &log_on); if (colon != NULL) *colon = ':'; if (tokens == 2) { for (i = 0; i < ARRAYSIZE(sublogname_map); i++) { if (!strncmp(sublog, sublogname_map[i].sublogname, strlen(sublogname_map[i].sublogname))) { if (log_on) wl_dbg_level |= (sublogname_map[i].log_level); else wl_dbg_level &= ~(sublogname_map[i].log_level); } } } else WL_ERR(("%s: can't parse '%s' as a " "SUBMODULE:LEVEL (%d tokens)\n", tbuf, token, tokens)); } return count; } static ssize_t wl_debuglevel_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { char *param; char tbuf[SUBLOGLEVELZ * ARRAYSIZE(sublogname_map)]; uint i; bzero(tbuf, sizeof(tbuf)); param = &tbuf[0]; for (i = 0; i < ARRAYSIZE(sublogname_map); i++) { param += snprintf(param, sizeof(tbuf) - 1, "%s:%d ", sublogname_map[i].sublogname, (wl_dbg_level & sublogname_map[i].log_level) ? 1 : 0); } *param = '\n'; return simple_read_from_buffer(user_buf, count, ppos, tbuf, strlen(&tbuf[0])); } static const struct file_operations fops_debuglevel = { .open = NULL, .write = wl_debuglevel_write, .read = wl_debuglevel_read, .owner = THIS_MODULE, .llseek = NULL, }; static s32 wl_setup_debugfs(struct bcm_cfg80211 *cfg) { s32 err = 0; struct dentry *_dentry; if (!cfg) return -EINVAL; cfg->debugfs = debugfs_create_dir(KBUILD_MODNAME, NULL); if (!cfg->debugfs || IS_ERR(cfg->debugfs)) { if (cfg->debugfs == ERR_PTR(-ENODEV)) WL_ERR(("Debugfs is not enabled on this kernel\n")); else WL_ERR(("Can not create debugfs directory\n")); cfg->debugfs = NULL; goto exit; } _dentry = debugfs_create_file("debug_level", S_IRUSR | S_IWUSR, cfg->debugfs, cfg, &fops_debuglevel); if (!_dentry || IS_ERR(_dentry)) { WL_ERR(("failed to create debug_level debug file\n")); wl_free_debugfs(cfg); } exit: return err; } static s32 wl_free_debugfs(struct bcm_cfg80211 *cfg) { if (!cfg) return -EINVAL; if (cfg->debugfs) debugfs_remove_recursive(cfg->debugfs); cfg->debugfs = NULL; return 0; } #endif /* DEBUGFS_CFG80211 */ struct bcm_cfg80211 *wl_cfg80211_get_bcmcfg(void) { return g_bcmcfg; } void wl_cfg80211_set_bcmcfg(struct bcm_cfg80211 *cfg) { g_bcmcfg = cfg; } struct device *wl_cfg80211_get_parent_dev(void) { return cfg80211_parent_dev; } void wl_cfg80211_set_parent_dev(void *dev) { cfg80211_parent_dev = dev; } static void wl_cfg80211_clear_parent_dev(void) { cfg80211_parent_dev = NULL; } void get_primary_mac(struct bcm_cfg80211 *cfg, struct ether_addr *mac) { u8 ioctl_buf[WLC_IOCTL_SMLEN]; if (wldev_iovar_getbuf_bsscfg(bcmcfg_to_prmry_ndev(cfg), "cur_etheraddr", NULL, 0, ioctl_buf, sizeof(ioctl_buf), 0, NULL) == BCME_OK) { memcpy(mac->octet, ioctl_buf, ETHER_ADDR_LEN); } else { bzero(mac->octet, ETHER_ADDR_LEN); } } static bool check_dev_role_integrity(struct bcm_cfg80211 *cfg, u32 dev_role) { dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); if (((dev_role == NL80211_IFTYPE_AP) && !(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) || ((dev_role == NL80211_IFTYPE_P2P_GO) && !(dhd->op_mode & DHD_FLAG_P2P_GO_MODE))) { WL_ERR(("device role select failed role:%d op_mode:%d \n", dev_role, dhd->op_mode)); return false; } return true; } int wl_cfg80211_do_driver_init(struct net_device *net) { struct bcm_cfg80211 *cfg = *(struct bcm_cfg80211 **)netdev_priv(net); if (!cfg || !cfg->wdev) return -EINVAL; if (dhd_do_driver_init(cfg->wdev->netdev) < 0) return -1; return 0; } void wl_cfg80211_enable_trace(u32 level) { wl_dbg_level = level; WL_MSG("wlan", "wl_dbg_level = 0x%x\n", wl_dbg_level); } #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) static s32 wl_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, u64 cookie) { /* CFG80211 checks for tx_cancel_wait callback when ATTR_DURATION * is passed with CMD_FRAME. This callback is supposed to cancel * the OFFCHANNEL Wait. Since we are already taking care of that * with the tx_mgmt logic, do nothing here. */ return 0; } #endif /* WL_SUPPORT_BACKPORTED_PATCHES || KERNEL >= 3.2.0 */ #ifdef WL_HOST_BAND_MGMT s32 wl_cfg80211_set_band(struct net_device *ndev, int band) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); int ret = 0; char ioctl_buf[50]; if ((band < WLC_BAND_AUTO) || (band > WLC_BAND_2G)) { WL_ERR(("Invalid band\n")); return -EINVAL; } if ((ret = wldev_iovar_setbuf(ndev, "roam_band", &band, sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) { WL_ERR(("seting roam_band failed code=%d\n", ret)); return ret; } WL_DBG(("Setting band to %d\n", band)); cfg->curr_band = band; return 0; } #endif /* WL_HOST_BAND_MGMT */ s32 wl_cfg80211_set_if_band(struct net_device *ndev, int band) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); int ret = 0, wait_cnt; char ioctl_buf[32]; if ((band < WLC_BAND_AUTO) || (band > WLC_BAND_2G)) { WL_ERR(("Invalid band\n")); return -EINVAL; } if (wl_get_drv_status(cfg, CONNECTED, ndev)) { dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); BCM_REFERENCE(dhdp); DHD_STATLOG_CTRL(dhdp, ST(DISASSOC_INT_START), dhd_net2idx(dhdp->info, ndev), 0); ret = wldev_ioctl_set(ndev, WLC_DISASSOC, NULL, 0); if (ret < 0) { WL_ERR(("WLC_DISASSOC error %d\n", ret)); /* continue to set 'if_band' */ } else { /* This is to ensure that 'if_band' iovar is issued only after * disconnection is completed */ wait_cnt = WAIT_FOR_DISCONNECT_MAX; while (wl_get_drv_status(cfg, CONNECTED, ndev) && wait_cnt) { WL_DBG(("Wait until disconnected. wait_cnt: %d\n", wait_cnt)); wait_cnt--; OSL_SLEEP(50); } } } if ((ret = wldev_iovar_setbuf(ndev, "if_band", &band, sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) { WL_ERR(("seting if_band failed ret=%d\n", ret)); /* issue 'WLC_SET_BAND' if if_band is not supported */ if (ret == BCME_UNSUPPORTED) { ret = wldev_set_band(ndev, band); if (ret < 0) { WL_ERR(("seting band failed ret=%d\n", ret)); } } } return ret; } s32 wl_cfg80211_dfs_ap_move(struct net_device *ndev, char *data, char *command, int total_len) { char ioctl_buf[WLC_IOCTL_SMLEN]; int err = 0; uint32 val = 0; chanspec_t chanspec = 0; int abort; int bytes_written = 0; struct wl_dfs_ap_move_status_v2 *status; char chanbuf[CHANSPEC_STR_LEN]; const char *dfs_state_str[DFS_SCAN_S_MAX] = { "Radar Free On Channel", "Radar Found On Channel", "Radar Scan In Progress", "Radar Scan Aborted", "RSDB Mode switch in Progress For Scan" }; if (ndev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) { bytes_written = snprintf(command, total_len, "AP is not up\n"); return bytes_written; } if (!*data) { if ((err = wldev_iovar_getbuf(ndev, "dfs_ap_move", NULL, 0, ioctl_buf, sizeof(ioctl_buf), NULL))) { WL_ERR(("setting dfs_ap_move failed with err=%d \n", err)); return err; } status = (struct wl_dfs_ap_move_status_v2 *)ioctl_buf; if (status->version != WL_DFS_AP_MOVE_VERSION) { err = BCME_UNSUPPORTED; WL_ERR(("err=%d version=%d\n", err, status->version)); return err; } if (status->move_status != (int8) DFS_SCAN_S_IDLE) { chanspec = wl_chspec_driver_to_host(status->chanspec); if (chanspec != 0 && chanspec != INVCHANSPEC) { wf_chspec_ntoa(chanspec, chanbuf); bytes_written = snprintf(command, total_len, "AP Target Chanspec %s (0x%x)\n", chanbuf, chanspec); } bytes_written += snprintf(command + bytes_written, total_len - bytes_written, "%s\n", dfs_state_str[status->move_status]); return bytes_written; } else { bytes_written = snprintf(command, total_len, "dfs AP move in IDLE state\n"); return bytes_written; } } abort = bcm_atoi(data); if (abort == -1) { if ((err = wldev_iovar_setbuf(ndev, "dfs_ap_move", &abort, sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) { WL_ERR(("seting dfs_ap_move failed with err %d\n", err)); return err; } } else { chanspec = wf_chspec_aton(data); if (chanspec != 0) { val = wl_chspec_host_to_driver(chanspec); if (val != INVCHANSPEC) { if ((err = wldev_iovar_setbuf(ndev, "dfs_ap_move", &val, sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) { WL_ERR(("seting dfs_ap_move failed with err %d\n", err)); return err; } WL_DBG((" set dfs_ap_move successfull")); } else { err = BCME_USAGE_ERROR; } } } return err; } bool wl_cfg80211_is_concurrent_mode(struct net_device *dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); if ((cfg) && (wl_get_drv_status_all(cfg, CONNECTED) > 1)) { return true; } else { return false; } } void* wl_cfg80211_get_dhdp(struct net_device *dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); return cfg->pub; } bool wl_cfg80211_is_p2p_active(struct net_device *dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); return (cfg && cfg->p2p); } bool wl_cfg80211_is_roam_offload(struct net_device * dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); return (cfg && cfg->roam_offload); } bool wl_cfg80211_is_event_from_connected_bssid(struct net_device * dev, const wl_event_msg_t *e, int ifidx) { u8 *curbssid = NULL; struct bcm_cfg80211 *cfg = wl_get_cfg(dev); if (!cfg) { /* When interface is created using wl * ndev->ieee80211_ptr will be NULL. */ return NULL; } curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID); if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) == 0) { return true; } return false; } static void wl_cfg80211_work_handler(struct work_struct * work) { struct bcm_cfg80211 *cfg = NULL; struct net_info *iter, *next; s32 err = BCME_OK; s32 pm = PM_FAST; dhd_pub_t *dhd; BCM_SET_CONTAINER_OF(cfg, work, struct bcm_cfg80211, pm_enable_work.work); WL_DBG(("Enter \n")); GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); /* p2p discovery iface ndev could be null */ if (iter->ndev) { if (!wl_get_drv_status(cfg, CONNECTED, iter->ndev) || (wl_get_mode_by_netdev(cfg, iter->ndev) != WL_MODE_BSS && wl_get_mode_by_netdev(cfg, iter->ndev) != WL_MODE_IBSS)) continue; if (iter->ndev) { dhd = (dhd_pub_t *)(cfg->pub); if (dhd_conf_get_pm(dhd) >= 0) pm = dhd_conf_get_pm(dhd); if ((err = wldev_ioctl_set(iter->ndev, WLC_SET_PM, &pm, sizeof(pm))) != 0) { if (err == -ENODEV) WL_DBG(("%s:netdev not ready\n", iter->ndev->name)); else WL_ERR(("%s:error (%d)\n", iter->ndev->name, err)); } else wl_cfg80211_update_power_mode(iter->ndev); } } } DHD_PM_WAKE_UNLOCK(cfg->pub); } u8 wl_get_action_category(void *frame, u32 frame_len) { u8 category; u8 *ptr = (u8 *)frame; if (frame == NULL) return DOT11_ACTION_CAT_ERR_MASK; if (frame_len < DOT11_ACTION_HDR_LEN) return DOT11_ACTION_CAT_ERR_MASK; category = ptr[DOT11_ACTION_CAT_OFF]; WL_DBG(("Action Category: %d\n", category)); return category; } int wl_get_public_action(void *frame, u32 frame_len, u8 *ret_action) { u8 *ptr = (u8 *)frame; if (frame == NULL || ret_action == NULL) return BCME_ERROR; if (frame_len < DOT11_ACTION_HDR_LEN) return BCME_ERROR; if (DOT11_ACTION_CAT_PUBLIC != wl_get_action_category(frame, frame_len)) return BCME_ERROR; *ret_action = ptr[DOT11_ACTION_ACT_OFF]; WL_DBG(("Public Action : %d\n", *ret_action)); return BCME_OK; } #ifdef WLFBT int wl_cfg80211_get_fbt_key(struct net_device *dev, uint8 *key, int total_len) { struct bcm_cfg80211 * cfg = wl_get_cfg(dev); int bytes_written = -1; if (total_len < FBT_KEYLEN) { WL_ERR(("wl_cfg80211_get_fbt_key: Insufficient buffer \n")); goto end; } if (cfg) { memcpy(key, cfg->fbt_key, FBT_KEYLEN); bytes_written = FBT_KEYLEN; } else { bzero(key, FBT_KEYLEN); WL_ERR(("wl_cfg80211_get_fbt_key: Failed to copy KCK and KEK \n")); } prhex("KCK, KEK", (uchar *)key, FBT_KEYLEN); end: return bytes_written; } #endif /* WLFBT */ static int wl_cfg80211_delayed_roam(struct bcm_cfg80211 *cfg, struct net_device *ndev, const struct ether_addr *bssid) { s32 err; wl_event_msg_t e; bzero(&e, sizeof(e)); e.event_type = cpu_to_be32(WLC_E_ROAM); memcpy(&e.addr, bssid, ETHER_ADDR_LEN); /* trigger the roam event handler */ err = wl_notify_roaming_status(cfg, ndev_to_cfgdev(ndev), &e, NULL); return err; } static s32 wl_cfg80211_parse_vndr_ies(const u8 *parse, u32 len, struct parsed_vndr_ies *vndr_ies) { s32 err = BCME_OK; const vndr_ie_t *vndrie; const bcm_tlv_t *ie; struct parsed_vndr_ie_info *parsed_info; u32 count = 0; u32 remained_len; remained_len = len; bzero(vndr_ies, sizeof(*vndr_ies)); WL_DBG(("---> len %d\n", len)); ie = (const bcm_tlv_t *) parse; if (!bcm_valid_tlv(ie, remained_len)) ie = NULL; while (ie) { if (count >= MAX_VNDR_IE_NUMBER) break; if (ie->id == DOT11_MNG_VS_ID || (ie->id == DOT11_MNG_ID_EXT_ID)) { vndrie = (const vndr_ie_t *) ie; if (ie->id == DOT11_MNG_ID_EXT_ID) { /* len should be bigger than sizeof ID extn field at least */ if (vndrie->len < MIN_VENDOR_EXTN_IE_LEN) { WL_ERR(("%s: invalid vndr extn ie." " length %d\n", __FUNCTION__, vndrie->len)); goto end; } } else { /* len should be bigger than OUI length + * one data length at least */ if (vndrie->len < (VNDR_IE_MIN_LEN + 1)) { WL_ERR(("wl_cfg80211_parse_vndr_ies:" " invalid vndr ie. length is too small %d\n", vndrie->len)); goto end; } /* if wpa or wme ie, do not add ie */ if (!bcmp(vndrie->oui, (u8*)WPA_OUI, WPA_OUI_LEN) && ((vndrie->data[0] == WPA_OUI_TYPE) || (vndrie->data[0] == WME_OUI_TYPE))) { CFGP2P_DBG(("Found WPA/WME oui. Do not add it\n")); goto end; } } parsed_info = &vndr_ies->ie_info[count++]; /* save vndr ie information */ parsed_info->ie_ptr = (const char *)vndrie; parsed_info->ie_len = (vndrie->len + TLV_HDR_LEN); memcpy(&parsed_info->vndrie, vndrie, sizeof(vndr_ie_t)); vndr_ies->count = count; if (ie->id == DOT11_MNG_ID_EXT_ID) { WL_DBG(("\t ** Vendor Extension ie id: 0x%02x, len:%d\n", ie->id, parsed_info->ie_len)); } else { WL_DBG(("\t ** OUI "MACOUIDBG", type 0x%02x len:%d\n", MACOUI2STRDBG(parsed_info->vndrie.oui), parsed_info->vndrie.data[0], parsed_info->ie_len)); } } end: ie = bcm_next_tlv(ie, &remained_len); } return err; } static bool wl_vndr_ies_exclude_vndr_oui(struct parsed_vndr_ie_info *vndr_info) { int i = 0; while (exclude_vndr_oui_list[i]) { if (!memcmp(vndr_info->vndrie.oui, exclude_vndr_oui_list[i], DOT11_OUI_LEN)) { return TRUE; } i++; } return FALSE; } static bool wl_vndr_ies_check_duplicate_vndr_oui(struct bcm_cfg80211 *cfg, struct parsed_vndr_ie_info *vndr_info) { wl_vndr_oui_entry_t *oui_entry = NULL; unsigned long flags; WL_CFG_VNDR_OUI_SYNC_LOCK(&cfg->vndr_oui_sync, flags); GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); list_for_each_entry(oui_entry, &cfg->vndr_oui_list, list) { GCC_DIAGNOSTIC_POP(); if (!memcmp(oui_entry->oui, vndr_info->vndrie.oui, DOT11_OUI_LEN)) { WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags); return TRUE; } } WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags); return FALSE; } static bool wl_vndr_ies_add_vendor_oui_list(struct bcm_cfg80211 *cfg, struct parsed_vndr_ie_info *vndr_info) { wl_vndr_oui_entry_t *oui_entry = NULL; unsigned long flags; oui_entry = kmalloc(sizeof(*oui_entry), GFP_KERNEL); if (oui_entry == NULL) { WL_ERR(("alloc failed\n")); return FALSE; } memcpy(oui_entry->oui, vndr_info->vndrie.oui, DOT11_OUI_LEN); INIT_LIST_HEAD(&oui_entry->list); WL_CFG_VNDR_OUI_SYNC_LOCK(&cfg->vndr_oui_sync, flags); list_add_tail(&oui_entry->list, &cfg->vndr_oui_list); WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags); return TRUE; } static void wl_vndr_ies_clear_vendor_oui_list(struct bcm_cfg80211 *cfg) { wl_vndr_oui_entry_t *oui_entry = NULL; unsigned long flags; WL_CFG_VNDR_OUI_SYNC_LOCK(&cfg->vndr_oui_sync, flags); while (!list_empty(&cfg->vndr_oui_list)) { GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); oui_entry = list_entry(cfg->vndr_oui_list.next, wl_vndr_oui_entry_t, list); GCC_DIAGNOSTIC_POP(); if (oui_entry) { list_del(&oui_entry->list); kfree(oui_entry); } } WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags); } static int wl_vndr_ies_get_vendor_oui(struct bcm_cfg80211 *cfg, struct net_device *ndev, char *vndr_oui, u32 vndr_oui_len) { int i; int vndr_oui_num = 0; struct wl_connect_info *conn_info = wl_to_conn(cfg); wl_vndr_oui_entry_t *oui_entry = NULL; struct parsed_vndr_ie_info *vndr_info; struct parsed_vndr_ies vndr_ies; char *pos = vndr_oui; u32 remained_buf_len = vndr_oui_len; unsigned long flags; if (!conn_info->resp_ie_len) { return BCME_ERROR; } wl_vndr_ies_clear_vendor_oui_list(cfg); if ((wl_cfg80211_parse_vndr_ies((u8 *)conn_info->resp_ie, conn_info->resp_ie_len, &vndr_ies)) == BCME_OK) { for (i = 0; i < vndr_ies.count; i++) { vndr_info = &vndr_ies.ie_info[i]; if (wl_vndr_ies_exclude_vndr_oui(vndr_info)) { continue; } if (wl_vndr_ies_check_duplicate_vndr_oui(cfg, vndr_info)) { continue; } wl_vndr_ies_add_vendor_oui_list(cfg, vndr_info); vndr_oui_num++; } } if (vndr_oui) { WL_CFG_VNDR_OUI_SYNC_LOCK(&cfg->vndr_oui_sync, flags); GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); list_for_each_entry(oui_entry, &cfg->vndr_oui_list, list) { GCC_DIAGNOSTIC_POP(); if (remained_buf_len < VNDR_OUI_STR_LEN) { WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags); return BCME_ERROR; } pos += snprintf(pos, VNDR_OUI_STR_LEN, "%02X-%02X-%02X ", oui_entry->oui[0], oui_entry->oui[1], oui_entry->oui[2]); remained_buf_len -= VNDR_OUI_STR_LEN; } WL_CFG_VNDR_OUI_SYNC_UNLOCK(&cfg->vndr_oui_sync, flags); } return vndr_oui_num; } void wl_cfg80211_clear_p2p_disc_ies(struct bcm_cfg80211 *cfg) { /* Legacy P2P used to store it in primary dev cache */ s32 index; struct net_device *ndev; s32 bssidx; s32 ret; s32 vndrie_flag[] = {VNDR_IE_BEACON_FLAG, VNDR_IE_PRBRSP_FLAG, VNDR_IE_ASSOCRSP_FLAG, VNDR_IE_PRBREQ_FLAG, VNDR_IE_ASSOCREQ_FLAG}; WL_DBG(("Clear IEs for P2P Discovery Iface \n")); /* certain vendors uses p2p0 interface in addition to * the dedicated p2p interface supported by the linux * kernel. */ ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY); bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); if (bssidx == WL_INVALID) { WL_DBG(("No discovery I/F available. Do nothing.\n")); return; } for (index = 0; index < ARRAYSIZE(vndrie_flag); index++) { if ((ret = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(ndev), bssidx, vndrie_flag[index], NULL, 0)) < 0) { if (ret != BCME_NOTFOUND) { WL_ERR(("vndr_ies clear failed (%d). Ignoring.. \n", ret)); } } } if (cfg->p2p_wdev && (ndev->ieee80211_ptr != cfg->p2p_wdev)) { /* clear IEs for dedicated p2p interface */ wl_cfg80211_clear_per_bss_ies(cfg, cfg->p2p_wdev); } } s32 wl_cfg80211_clear_per_bss_ies(struct bcm_cfg80211 *cfg, struct wireless_dev *wdev) { s32 index; s32 ret; struct net_info *netinfo; s32 vndrie_flag[] = {VNDR_IE_BEACON_FLAG, VNDR_IE_PRBRSP_FLAG, VNDR_IE_ASSOCRSP_FLAG, VNDR_IE_PRBREQ_FLAG, VNDR_IE_ASSOCREQ_FLAG}; netinfo = wl_get_netinfo_by_wdev(cfg, wdev); if (!netinfo || !netinfo->wdev) { WL_ERR(("netinfo or netinfo->wdev is NULL\n")); return -1; } WL_DBG(("clear management vendor IEs for bssidx:%d \n", netinfo->bssidx)); /* Clear the IEs set in the firmware so that host is in sync with firmware */ for (index = 0; index < ARRAYSIZE(vndrie_flag); index++) { if ((ret = wl_cfg80211_set_mgmt_vndr_ies(cfg, wdev_to_cfgdev(netinfo->wdev), netinfo->bssidx, vndrie_flag[index], NULL, 0)) < 0) if (ret != BCME_NOTFOUND) { WL_ERR(("vndr_ies clear failed. Ignoring.. \n")); } } return 0; } s32 wl_cfg80211_clear_mgmt_vndr_ies(struct bcm_cfg80211 *cfg) { struct net_info *iter, *next; WL_DBG(("clear management vendor IEs \n")); GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); wl_cfg80211_clear_per_bss_ies(cfg, iter->wdev); } return 0; } #define WL_VNDR_IE_MAXLEN 2048 static s8 g_mgmt_ie_buf[WL_VNDR_IE_MAXLEN]; int wl_cfg80211_set_mgmt_vndr_ies(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, s32 bssidx, s32 pktflag, const u8 *vndr_ie, u32 vndr_ie_len) { struct net_device *ndev = NULL; s32 ret = BCME_OK; u8 *curr_ie_buf = NULL; u8 *mgmt_ie_buf = NULL; u32 mgmt_ie_buf_len = 0; u32 *mgmt_ie_len = 0; u32 del_add_ie_buf_len = 0; u32 total_ie_buf_len = 0; u32 parsed_ie_buf_len = 0; struct parsed_vndr_ies old_vndr_ies; struct parsed_vndr_ies new_vndr_ies; s32 i; u8 *ptr; s32 remained_buf_len; wl_bss_vndr_ies_t *ies = NULL; struct net_info *netinfo; struct wireless_dev *wdev; if (!cfgdev) { WL_ERR(("cfgdev is NULL\n")); return -EINVAL; } ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); wdev = cfgdev_to_wdev(cfgdev); if (bssidx > WL_MAX_IFS) { WL_ERR(("bssidx > supported concurrent Ifaces \n")); return -EINVAL; } netinfo = wl_get_netinfo_by_wdev(cfg, wdev); if (!netinfo) { WL_ERR(("net_info ptr is NULL \n")); return -EINVAL; } /* Clear the global buffer */ bzero(g_mgmt_ie_buf, sizeof(g_mgmt_ie_buf)); curr_ie_buf = g_mgmt_ie_buf; ies = &netinfo->bss.ies; WL_DBG(("Enter. pktflag:0x%x bssidx:%x vnd_ie_len:%d wdev:%p\n", pktflag, bssidx, vndr_ie_len, wdev)); switch (pktflag) { case VNDR_IE_PRBRSP_FLAG : mgmt_ie_buf = ies->probe_res_ie; mgmt_ie_len = &ies->probe_res_ie_len; mgmt_ie_buf_len = sizeof(ies->probe_res_ie); break; case VNDR_IE_ASSOCRSP_FLAG : mgmt_ie_buf = ies->assoc_res_ie; mgmt_ie_len = &ies->assoc_res_ie_len; mgmt_ie_buf_len = sizeof(ies->assoc_res_ie); break; case VNDR_IE_BEACON_FLAG : mgmt_ie_buf = ies->beacon_ie; mgmt_ie_len = &ies->beacon_ie_len; mgmt_ie_buf_len = sizeof(ies->beacon_ie); break; case VNDR_IE_PRBREQ_FLAG : mgmt_ie_buf = ies->probe_req_ie; mgmt_ie_len = &ies->probe_req_ie_len; mgmt_ie_buf_len = sizeof(ies->probe_req_ie); break; case VNDR_IE_ASSOCREQ_FLAG : mgmt_ie_buf = ies->assoc_req_ie; mgmt_ie_len = &ies->assoc_req_ie_len; mgmt_ie_buf_len = sizeof(ies->assoc_req_ie); break; case VNDR_IE_DISASSOC_FLAG : mgmt_ie_buf = ies->disassoc_ie; mgmt_ie_len = &ies->disassoc_ie_len; mgmt_ie_buf_len = sizeof(ies->disassoc_ie); break; default: mgmt_ie_buf = NULL; mgmt_ie_len = NULL; WL_ERR(("not suitable packet type (%d)\n", pktflag)); return BCME_ERROR; } if (vndr_ie_len > mgmt_ie_buf_len) { WL_ERR(("extra IE size too big\n")); ret = -ENOMEM; } else { /* parse and save new vndr_ie in curr_ie_buff before comparing it */ if (vndr_ie && vndr_ie_len && curr_ie_buf) { ptr = curr_ie_buf; if ((ret = wl_cfg80211_parse_vndr_ies((const u8 *)vndr_ie, vndr_ie_len, &new_vndr_ies)) < 0) { WL_ERR(("parse vndr ie failed \n")); goto exit; } for (i = 0; i < new_vndr_ies.count; i++) { struct parsed_vndr_ie_info *vndrie_info = &new_vndr_ies.ie_info[i]; if ((parsed_ie_buf_len + vndrie_info->ie_len) > WL_VNDR_IE_MAXLEN) { WL_ERR(("IE size is too big (%d > %d)\n", parsed_ie_buf_len, WL_VNDR_IE_MAXLEN)); ret = -EINVAL; goto exit; } memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr, vndrie_info->ie_len); parsed_ie_buf_len += vndrie_info->ie_len; } } if (mgmt_ie_buf != NULL) { if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) && (memcmp(mgmt_ie_buf, curr_ie_buf, parsed_ie_buf_len) == 0)) { WL_DBG(("Previous mgmt IE is equals to current IE")); goto exit; } /* parse old vndr_ie */ if ((ret = wl_cfg80211_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies)) < 0) { WL_ERR(("parse vndr ie failed \n")); goto exit; } /* make a command to delete old ie */ for (i = 0; i < old_vndr_ies.count; i++) { struct parsed_vndr_ie_info *vndrie_info = &old_vndr_ies.ie_info[i]; #if defined(WL_MBO) || defined(WL_OCE) { if ((vndrie_info->vndrie.id == 0xDD) && (!memcmp(vndrie_info->vndrie.oui, WFA_OUI, WFA_OUI_LEN)) && (vndrie_info->vndrie.data[0] == WFA_OUI_TYPE_MBO_OCE)) { WL_DBG(("skipping ID : %d, Len: %d, OUI:"MACOUIDBG ", type: %0x\n", vndrie_info->vndrie.id, vndrie_info->vndrie.len, MACOUI2STRDBG(vndrie_info->vndrie.oui), vndrie_info->vndrie.data[0])); continue; } } #endif /* WL_MBO || WL_OCE */ if (vndrie_info->vndrie.id == DOT11_MNG_ID_EXT_ID) { WL_DBG(("DELETED VENDOR EXTN ID : %d, TYPE: %d Len: %d\n", vndrie_info->vndrie.id, vndrie_info->vndrie.oui[0], vndrie_info->vndrie.len)); } else { WL_DBG(("DELETED ID : %d, Len: %d , OUI:"MACOUIDBG"\n", vndrie_info->vndrie.id, vndrie_info->vndrie.len, MACOUI2STRDBG(vndrie_info->vndrie.oui))); } del_add_ie_buf_len = wl_cfgp2p_vndr_ie(cfg, curr_ie_buf, pktflag, vndrie_info->vndrie.oui, vndrie_info->vndrie.id, vndrie_info->ie_ptr + VNDR_IE_FIXED_LEN, vndrie_info->ie_len - VNDR_IE_FIXED_LEN, "del"); curr_ie_buf += del_add_ie_buf_len; total_ie_buf_len += del_add_ie_buf_len; } } *mgmt_ie_len = 0; /* Add if there is any extra IE */ if (mgmt_ie_buf && parsed_ie_buf_len) { ptr = mgmt_ie_buf; remained_buf_len = mgmt_ie_buf_len; /* make a command to add new ie */ for (i = 0; i < new_vndr_ies.count; i++) { struct parsed_vndr_ie_info *vndrie_info = &new_vndr_ies.ie_info[i]; #if defined(WL_MBO) || defined(WL_OCE) { if ((vndrie_info->vndrie.id == 0xDD) && (!memcmp(vndrie_info->vndrie.oui, WFA_OUI, WFA_OUI_LEN)) && (vndrie_info->vndrie.data[0] == WFA_OUI_TYPE_MBO_OCE)) { WL_DBG(("skipping ID : %d, Len: %d, OUI:"MACOUIDBG ",type :%0x\n", vndrie_info->vndrie.id, vndrie_info->vndrie.len, MACOUI2STRDBG(vndrie_info->vndrie.oui), vndrie_info->vndrie.data[0])); continue; } } #endif /* WL_MBO || WL_OCE */ if (vndrie_info->vndrie.id == DOT11_MNG_ID_EXT_ID) { WL_DBG(("ADDED VENDOR EXTN ID : %d, TYPE = %d, Len: %d\n", vndrie_info->vndrie.id, vndrie_info->vndrie.oui[0], vndrie_info->vndrie.len)); } else { WL_DBG(("ADDED ID : %d, Len: %d(%d), OUI:"MACOUIDBG"\n", vndrie_info->vndrie.id, vndrie_info->vndrie.len, vndrie_info->ie_len - 2, MACOUI2STRDBG(vndrie_info->vndrie.oui))); } del_add_ie_buf_len = wl_cfgp2p_vndr_ie(cfg, curr_ie_buf, pktflag, vndrie_info->vndrie.oui, vndrie_info->vndrie.id, vndrie_info->ie_ptr + VNDR_IE_FIXED_LEN, vndrie_info->ie_len - VNDR_IE_FIXED_LEN, "add"); /* verify remained buf size before copy data */ if (remained_buf_len >= vndrie_info->ie_len) { remained_buf_len -= vndrie_info->ie_len; } else { WL_ERR(("no space in mgmt_ie_buf: pktflag = %d, " "found vndr ies # = %d(cur %d), remained len %d, " "cur mgmt_ie_len %d, new ie len = %d\n", pktflag, new_vndr_ies.count, i, remained_buf_len, *mgmt_ie_len, vndrie_info->ie_len)); break; } /* save the parsed IE in cfg struct */ memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr, vndrie_info->ie_len); *mgmt_ie_len += vndrie_info->ie_len; curr_ie_buf += del_add_ie_buf_len; total_ie_buf_len += del_add_ie_buf_len; } } if (total_ie_buf_len && cfg->ioctl_buf != NULL) { ret = wldev_iovar_setbuf_bsscfg(ndev, "vndr_ie", g_mgmt_ie_buf, total_ie_buf_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (ret) WL_ERR(("vndr ie set error : %d\n", ret)); } } exit: return ret; } #ifdef WL_CFG80211_ACL static int wl_cfg80211_set_mac_acl(struct wiphy *wiphy, struct net_device *cfgdev, const struct cfg80211_acl_data *acl) { int i; int ret = 0; int macnum = 0; int macmode = MACLIST_MODE_DISABLED; struct maclist *list; struct bcm_cfg80211 *cfg = wl_get_cfg(cfgdev); /* get the MAC filter mode */ if (acl && acl->acl_policy == NL80211_ACL_POLICY_DENY_UNLESS_LISTED) { macmode = MACLIST_MODE_ALLOW; } else if (acl && acl->acl_policy == NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && acl->n_acl_entries) { macmode = MACLIST_MODE_DENY; } /* if acl == NULL, macmode is still disabled.. */ if (macmode == MACLIST_MODE_DISABLED) { if ((ret = wl_android_set_ap_mac_list(cfgdev, macmode, NULL)) != 0) WL_ERR(("wl_cfg80211_set_mac_acl: Setting MAC list" " failed error=%d\n", ret)); return ret; } macnum = acl->n_acl_entries; if (macnum < 0 || macnum > MAX_NUM_MAC_FILT) { WL_ERR(("wl_cfg80211_set_mac_acl: invalid number of MAC address entries %d\n", macnum)); return -1; } /* allocate memory for the MAC list */ list = (struct maclist *)MALLOC(cfg->osh, sizeof(int) + sizeof(struct ether_addr) * macnum); if (!list) { WL_ERR(("wl_cfg80211_set_mac_acl: failed to allocate memory\n")); return -1; } /* prepare the MAC list */ list->count = htod32(macnum); for (i = 0; i < macnum; i++) { memcpy(&list->ea[i], &acl->mac_addrs[i], ETHER_ADDR_LEN); } /* set the list */ if ((ret = wl_android_set_ap_mac_list(cfgdev, macmode, list)) != 0) WL_ERR(("wl_cfg80211_set_mac_acl: Setting MAC list failed error=%d\n", ret)); MFREE(cfg->osh, list, sizeof(int) + sizeof(struct ether_addr) * macnum); return ret; } #endif /* WL_CFG80211_ACL */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) int wl_chspec_chandef(chanspec_t chanspec, #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0)) struct cfg80211_chan_def *chandef, #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, 0))) struct chan_info *chaninfo, #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) */ struct wiphy *wiphy) { uint16 freq = 0; int chan_type = 0; int channel = 0; struct ieee80211_channel *chan; if (!chandef) { return -1; } channel = CHSPEC_CHANNEL(chanspec); switch (CHSPEC_BW(chanspec)) { case WL_CHANSPEC_BW_20: chan_type = NL80211_CHAN_HT20; break; case WL_CHANSPEC_BW_40: { if (CHSPEC_SB_UPPER(chanspec)) { channel += CH_10MHZ_APART; } else { channel -= CH_10MHZ_APART; } } chan_type = NL80211_CHAN_HT40PLUS; break; #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) case WL_CHANSPEC_BW_80: case WL_CHANSPEC_BW_8080: { uint16 sb = CHSPEC_CTL_SB(chanspec); if (sb == WL_CHANSPEC_CTL_SB_LL) { channel -= (CH_10MHZ_APART + CH_20MHZ_APART); } else if (sb == WL_CHANSPEC_CTL_SB_LU) { channel -= CH_10MHZ_APART; } else if (sb == WL_CHANSPEC_CTL_SB_UL) { channel += CH_10MHZ_APART; } else { /* WL_CHANSPEC_CTL_SB_UU */ channel += (CH_10MHZ_APART + CH_20MHZ_APART); } if (sb == WL_CHANSPEC_CTL_SB_LL || sb == WL_CHANSPEC_CTL_SB_LU) chan_type = NL80211_CHAN_HT40MINUS; else if (sb == WL_CHANSPEC_CTL_SB_UL || sb == WL_CHANSPEC_CTL_SB_UU) chan_type = NL80211_CHAN_HT40PLUS; } break; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ default: chan_type = NL80211_CHAN_HT20; break; } if (CHSPEC_IS5G(chanspec)) freq = ieee80211_channel_to_frequency(channel, NL80211_BAND_5GHZ); else freq = ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ); chan = ieee80211_get_channel(wiphy, freq); WL_DBG(("channel:%d freq:%d chan_type: %d chan_ptr:%p \n", channel, freq, chan_type, chan)); if (unlikely(!chan)) { /* fw and cfg80211 channel lists are not in sync */ WL_ERR(("Couldn't find matching channel in wiphy channel list \n")); ASSERT(0); return -EINVAL; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) cfg80211_chandef_create(chandef, chan, chan_type); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \ \ 0))) chaninfo->freq = freq; chaninfo->chan_type = chan_type; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ return 0; } void wl_cfg80211_ch_switch_notify(struct net_device *dev, uint16 chanspec, struct wiphy *wiphy) { u32 freq; #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) struct cfg80211_chan_def chandef; #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, 0))) struct chan_info chaninfo; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ if (!wiphy) { WL_ERR(("wiphy is null\n")); return; } #if (LINUX_VERSION_CODE <= KERNEL_VERSION (3, 18, 0)) /* Channel switch support is only for AP/GO/ADHOC/MESH */ if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION || dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) { WL_ERR(("No channel switch notify support for STA/GC\n")); return; } #endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION (3, 18, 0)) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) if (wl_chspec_chandef(chanspec, &chandef, wiphy)) #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, 0))) if (wl_chspec_chandef(chanspec, &chaninfo, wiphy)) #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ { WL_ERR(("chspec_chandef failed\n")); return; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) freq = chandef.chan ? chandef.chan->center_freq : chandef.center_freq1; cfg80211_ch_switch_notify(dev, &chandef); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, 0))) freq = chan_info.freq; cfg80211_ch_switch_notify(dev, freq, chan_info.chan_type); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ WL_MSG(dev->name, "Channel switch notification for freq: %d chanspec: 0x%x\n", freq, chanspec); return; } #endif /* LINUX_VERSION_CODE >= (3, 5, 0) */ static void wl_ap_channel_ind(struct bcm_cfg80211 *cfg, struct net_device *ndev, chanspec_t chanspec) { u32 channel = LCHSPEC_CHANNEL(chanspec); WL_INFORM_MEM(("(%s) AP channel:%d chspec:0x%x \n", ndev->name, channel, chanspec)); #ifdef SUPPORT_AP_BWCTRL wl_update_apchan_bwcap(cfg, ndev, chanspec); #endif /* SUPPORT_AP_BWCTRL */ if (cfg->ap_oper_channel && (cfg->ap_oper_channel != channel)) { /* * If cached channel is different from the channel indicated * by the event, notify user space about the channel switch. */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) wl_cfg80211_ch_switch_notify(ndev, chanspec, bcmcfg_to_wiphy(cfg)); #endif /* LINUX_VERSION_CODE >= (3, 5, 0) */ cfg->ap_oper_channel = channel; } } static s32 wl_ap_start_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct net_device *ndev = NULL; chanspec_t chanspec; WL_DBG(("Enter\n")); if (unlikely(e->status)) { WL_ERR(("status:0x%x \n", e->status)); return -1; } if (!data) { return -EINVAL; } if (likely(cfgdev)) { ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); chanspec = *((chanspec_t *)data); if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) { /* For AP/GO role */ wl_ap_channel_ind(cfg, ndev, chanspec); } } return 0; } static s32 wl_csa_complete_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { int error = 0; u32 chanspec = 0; struct net_device *ndev = NULL; struct ether_addr bssid; WL_DBG(("Enter\n")); if (unlikely(e->status)) { WL_ERR(("status:0x%x \n", e->status)); return -1; } if (likely(cfgdev)) { ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); /* Get association state if not AP and then query chanspec */ if (!((wl_get_mode_by_netdev(cfg, ndev)) == WL_MODE_AP)) { error = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN); if (error) { WL_ERR(("CSA on %s. Not associated. error=%d\n", ndev->name, error)); return BCME_ERROR; } } error = wldev_iovar_getint(ndev, "chanspec", &chanspec); if (unlikely(error)) { WL_ERR(("Get chanspec error: %d \n", error)); return -1; } WL_INFORM_MEM(("[%s] CSA ind. ch:0x%x\n", ndev->name, chanspec)); if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) { /* For AP/GO role */ wl_ap_channel_ind(cfg, ndev, chanspec); } else { /* STA/GC roles */ if (!wl_get_drv_status(cfg, CONNECTED, ndev)) { WL_ERR(("CSA on %s. Not associated.\n", ndev->name)); return BCME_ERROR; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) wl_cfg80211_ch_switch_notify(ndev, chanspec, bcmcfg_to_wiphy(cfg)); #endif /* LINUX_VERSION_CODE >= (3, 5, 0) */ } } return 0; } void wl_cfg80211_clear_security(struct bcm_cfg80211 *cfg) { struct net_device *dev = bcmcfg_to_prmry_ndev(cfg); int err; /* Clear the security settings on the primary Interface */ err = wldev_iovar_setint(dev, "wsec", 0); if (unlikely(err)) { WL_ERR(("wsec clear failed \n")); } err = wldev_iovar_setint(dev, "auth", 0); if (unlikely(err)) { WL_ERR(("auth clear failed \n")); } err = wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_DISABLED); if (unlikely(err)) { WL_ERR(("wpa_auth clear failed \n")); } } #ifdef WL_CFG80211_P2P_DEV_IF void wl_cfg80211_del_p2p_wdev(struct net_device *dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct wireless_dev *wdev = NULL; WL_DBG(("Enter \n")); if (!cfg) { WL_ERR(("Invalid Ptr\n")); return; } else { wdev = cfg->p2p_wdev; } if (wdev) { wl_cfgp2p_del_p2p_disc_if(wdev, cfg); } } #endif /* WL_CFG80211_P2P_DEV_IF */ #ifdef GTK_OFFLOAD_SUPPORT #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0)) static s32 wl_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_gtk_rekey_data *data) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; gtk_keyinfo_t keyinfo; bcol_gtk_para_t bcol_keyinfo; WL_DBG(("Enter\n")); if (data == NULL || cfg->p2p_net == dev) { WL_ERR(("data is NULL or wrong net device\n")); return -EINVAL; } prhex("kck", (const u8 *) (data->kck), RSN_KCK_LENGTH); prhex("kek", (const u8 *) (data->kek), RSN_KEK_LENGTH); prhex("replay_ctr", (const u8 *) (data->replay_ctr), RSN_REPLAY_LEN); bcopy(data->kck, keyinfo.KCK, RSN_KCK_LENGTH); bcopy(data->kek, keyinfo.KEK, RSN_KEK_LENGTH); bcopy(data->replay_ctr, keyinfo.ReplayCounter, RSN_REPLAY_LEN); memset(&bcol_keyinfo, 0, sizeof(bcol_keyinfo)); bcol_keyinfo.enable = 1; bcol_keyinfo.ptk_len = 64; memcpy(&bcol_keyinfo.ptk[0], data->kck, RSN_KCK_LENGTH); memcpy(&bcol_keyinfo.ptk[RSN_KCK_LENGTH], data->kek, RSN_KEK_LENGTH); err = wldev_iovar_setbuf(dev, "bcol_gtk_rekey_ptk", &bcol_keyinfo, sizeof(bcol_keyinfo), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (!err) { return err; } if ((err = wldev_iovar_setbuf(dev, "gtk_key_info", &keyinfo, sizeof(keyinfo), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync)) < 0) { WL_ERR(("seting gtk_key_info failed code=%d\n", err)); return err; } WL_DBG(("Exit\n")); return err; } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) */ #endif /* GTK_OFFLOAD_SUPPORT */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)) static int wl_cfg80211_set_pmk(struct wiphy *wiphy, struct net_device *dev, const struct cfg80211_pmk_conf *conf) { int ret = 0; wsec_pmk_t pmk; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wl_security *sec; s32 bssidx; pmk.key_len = conf->pmk_len; if (pmk.key_len > sizeof(pmk.key)) { ret = -EINVAL; return ret; } pmk.flags = 0; ret = memcpy_s(&pmk.key, sizeof(pmk.key), conf->pmk, conf->pmk_len); if (ret) { ret = -EINVAL; return ret; } if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) { WL_ERR(("Find index failed\n")); ret = -EINVAL; return ret; } sec = wl_read_prof(cfg, dev, WL_PROF_SEC); if ((sec->wpa_auth == WLAN_AKM_SUITE_8021X) || (sec->wpa_auth == WL_AKM_SUITE_SHA256_1X)) { ret = wldev_iovar_setbuf_bsscfg(dev, "okc_info_pmk", pmk.key, pmk.key_len, cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync); if (ret) { /* could fail in case that 'okc' is not supported */ WL_INFORM_MEM(("okc_info_pmk failed, err=%d (ignore)\n", ret)); } } ret = wldev_ioctl_set(dev, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk)); if (ret) { WL_ERR(("wl_cfg80211_set_pmk error:%d", ret)); ret = -EINVAL; return ret; } return 0; } static int wl_cfg80211_del_pmk(struct wiphy *wiphy, struct net_device *dev, const u8 *aa) { int err = BCME_OK; struct cfg80211_pmksa pmksa; /* build up cfg80211_pmksa structure to use existing wl_cfg80211_update_pmksa API */ bzero(&pmksa, sizeof(pmksa)); pmksa.bssid = aa; err = wl_cfg80211_update_pmksa(wiphy, dev, &pmksa, FALSE); if (err) { WL_ERR(("wl_cfg80211_update_pmksa err:%d\n", err)); err = -EINVAL; } return err; } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0) */ #if defined(WL_SUPPORT_AUTO_CHANNEL) int wl_cfg80211_set_spect(struct net_device *dev, int spect) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); int wlc_down = 1; int wlc_up = 1; int err = BCME_OK; if (!wl_get_drv_status_all(cfg, CONNECTED)) { err = wldev_ioctl_set(dev, WLC_DOWN, &wlc_down, sizeof(wlc_down)); if (err) { WL_ERR(("%s: WLC_DOWN failed: code: %d\n", __func__, err)); return err; } err = wldev_ioctl_set(dev, WLC_SET_SPECT_MANAGMENT, &spect, sizeof(spect)); if (err) { WL_ERR(("%s: error setting spect: code: %d\n", __func__, err)); return err; } err = wldev_ioctl_set(dev, WLC_UP, &wlc_up, sizeof(wlc_up)); if (err) { WL_ERR(("%s: WLC_UP failed: code: %d\n", __func__, err)); return err; } } return err; } int wl_cfg80211_get_sta_channel(struct bcm_cfg80211 *cfg) { int channel = 0; if (wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) { channel = cfg->channel; } return channel; } #endif /* WL_SUPPORT_AUTO_CHANNEL */ u64 wl_cfg80211_get_new_roc_id(struct bcm_cfg80211 *cfg) { u64 id = 0; id = ++cfg->last_roc_id; #ifdef P2P_LISTEN_OFFLOADING if (id == P2PO_COOKIE) { id = ++cfg->last_roc_id; } #endif /* P2P_LISTEN_OFFLOADING */ if (id == 0) id = ++cfg->last_roc_id; return id; } #ifdef WLTDLS s32 wl_cfg80211_tdls_config(struct bcm_cfg80211 *cfg, enum wl_tdls_config state, bool auto_mode) { struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); int err = 0; struct net_info *iter, *next; int update_reqd = 0; int enable = 0; dhd_pub_t *dhdp; dhdp = (dhd_pub_t *)(cfg->pub); /* * TDLS need to be enabled only if we have a single STA/GC * connection. */ WL_DBG(("Enter state:%d\n", state)); if (!cfg->tdls_supported) { /* FW doesn't support tdls. Do nothing */ return -ENODEV; } /* Protect tdls config session */ mutex_lock(&cfg->tdls_sync); if (state == TDLS_STATE_TEARDOWN) { /* Host initiated TDLS tear down */ err = dhd_tdls_enable(ndev, false, auto_mode, NULL); goto exit; } else if ((state == TDLS_STATE_AP_CREATE) || (state == TDLS_STATE_NMI_CREATE)) { /* We don't support tdls while AP/GO/NAN is operational */ update_reqd = true; enable = false; } else if ((state == TDLS_STATE_CONNECT) || (state == TDLS_STATE_IF_CREATE)) { if (wl_get_drv_status_all(cfg, CONNECTED) >= TDLS_MAX_IFACE_FOR_ENABLE) { /* For STA/GC connect command request, disable * tdls if we have any concurrent interfaces * operational. */ WL_DBG(("Interface limit restriction. disable tdls.\n")); update_reqd = true; enable = false; } } else if ((state == TDLS_STATE_DISCONNECT) || (state == TDLS_STATE_AP_DELETE) || (state == TDLS_STATE_SETUP) || (state == TDLS_STATE_IF_DELETE)) { /* Enable back the tdls connection only if we have less than * or equal to a single STA/GC connection. */ if (wl_get_drv_status_all(cfg, CONNECTED) == 0) { /* If there are no interfaces connected, enable tdls */ update_reqd = true; enable = true; } else if (wl_get_drv_status_all(cfg, CONNECTED) == TDLS_MAX_IFACE_FOR_ENABLE) { /* We have one interface in CONNECTED state. * Verify whether its a STA interface before * we enable back tdls. */ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if ((iter->ndev) && (wl_get_drv_status(cfg, CONNECTED, ndev)) && (ndev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)) { WL_DBG(("Non STA iface operational. cfg_iftype:%d" " Can't enable tdls.\n", ndev->ieee80211_ptr->iftype)); err = -ENOTSUPP; goto exit; } } /* No AP/GO found. Enable back tdls */ update_reqd = true; enable = true; } else { WL_DBG(("Concurrent connection mode. Can't enable tdls. \n")); err = -ENOTSUPP; goto exit; } } else { WL_ERR(("Unknown tdls state:%d \n", state)); err = -EINVAL; goto exit; } if (update_reqd == true) { if (dhdp->tdls_enable == enable) { WL_DBG(("No change in tdls state. Do nothing." " tdls_enable:%d\n", enable)); goto exit; } err = wldev_iovar_setint(ndev, "tdls_enable", enable); if (unlikely(err)) { WL_ERR(("tdls_enable setting failed. err:%d\n", err)); goto exit; } else { WL_INFORM_MEM(("tdls_enable %d state:%d\n", enable, state)); /* Update the dhd state variable to be in sync */ dhdp->tdls_enable = enable; if (state == TDLS_STATE_SETUP) { /* For host initiated setup, apply TDLS params * Don't propagate errors up for param config * failures */ dhd_tdls_enable(ndev, true, auto_mode, NULL); } } } else { WL_DBG(("Skip tdls config. state:%d update_reqd:%d " "current_status:%d \n", state, update_reqd, dhdp->tdls_enable)); } exit: if (err) { wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL); } mutex_unlock(&cfg->tdls_sync); return err; } #endif /* WLTDLS */ struct net_device* wl_get_ap_netdev(struct bcm_cfg80211 *cfg, char *ifname) { struct net_info *iter, *next; struct net_device *ndev = NULL; GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev) { if (strncmp(iter->ndev->name, ifname, IFNAMSIZ) == 0) { if (iter->ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) { ndev = iter->ndev; break; } } } } return ndev; } struct net_device* wl_get_netdev_by_name(struct bcm_cfg80211 *cfg, char *ifname) { struct net_info *iter, *next; struct net_device *ndev = NULL; GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev) { if (strncmp(iter->ndev->name, ifname, IFNAMSIZ) == 0) { ndev = iter->ndev; break; } } } return ndev; } #ifdef SUPPORT_AP_HIGHER_BEACONRATE #define WLC_RATE_FLAG 0x80 #define RATE_MASK 0x7f int wl_set_ap_beacon_rate(struct net_device *dev, int val, char *ifname) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp; wl_rateset_args_t rs; int error = BCME_ERROR, i; struct net_device *ndev = NULL; dhdp = (dhd_pub_t *)(cfg->pub); if (dhdp && !(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { WL_ERR(("Not Hostapd mode\n")); return BCME_NOTAP; } ndev = wl_get_ap_netdev(cfg, ifname); if (ndev == NULL) { WL_ERR(("No softAP interface named %s\n", ifname)); return BCME_NOTAP; } bzero(&rs, sizeof(wl_rateset_args_t)); error = wldev_iovar_getbuf(ndev, "rateset", NULL, 0, &rs, sizeof(wl_rateset_args_t), NULL); if (error < 0) { WL_ERR(("get rateset failed = %d\n", error)); return error; } if (rs.count < 1) { WL_ERR(("Failed to get rate count\n")); return BCME_ERROR; } /* Host delivers target rate in the unit of 500kbps */ /* To make it to 1mbps unit, atof should be implemented for 5.5mbps basic rate */ for (i = 0; i < rs.count && i < WL_NUMRATES; i++) if (rs.rates[i] & WLC_RATE_FLAG) if ((rs.rates[i] & RATE_MASK) == val) break; /* Valid rate has been delivered as an argument */ if (i < rs.count && i < WL_NUMRATES) { error = wldev_iovar_setint(ndev, "force_bcn_rspec", val); if (error < 0) { WL_ERR(("set beacon rate failed = %d\n", error)); return BCME_ERROR; } } else { WL_ERR(("Rate is invalid")); return BCME_BADARG; } return BCME_OK; } int wl_get_ap_basic_rate(struct net_device *dev, char* command, char *ifname, int total_len) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp; wl_rateset_args_t rs; int error = BCME_ERROR; int i, bytes_written = 0; struct net_device *ndev = NULL; dhdp = (dhd_pub_t *)(cfg->pub); if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { WL_ERR(("Not Hostapd mode\n")); return BCME_NOTAP; } ndev = wl_get_ap_netdev(cfg, ifname); if (ndev == NULL) { WL_ERR(("No softAP interface named %s\n", ifname)); return BCME_NOTAP; } bzero(&rs, sizeof(wl_rateset_args_t)); error = wldev_iovar_getbuf(ndev, "rateset", NULL, 0, &rs, sizeof(wl_rateset_args_t), NULL); if (error < 0) { WL_ERR(("get rateset failed = %d\n", error)); return error; } if (rs.count < 1) { WL_ERR(("Failed to get rate count\n")); return BCME_ERROR; } /* Delivers basic rate in the unit of 500kbps to host */ for (i = 0; i < rs.count && i < WL_NUMRATES; i++) if (rs.rates[i] & WLC_RATE_FLAG) bytes_written += snprintf(command + bytes_written, total_len, "%d ", rs.rates[i] & RATE_MASK); /* Remove last space in the command buffer */ if (bytes_written && (bytes_written < total_len)) { command[bytes_written - 1] = '\0'; bytes_written--; } return bytes_written; } #endif /* SUPPORT_AP_HIGHER_BEACONRATE */ #ifdef SUPPORT_AP_RADIO_PWRSAVE #define MSEC_PER_MIN (60000L) static int _wl_update_ap_rps_params(struct net_device *dev) { struct bcm_cfg80211 *cfg = NULL; rpsnoa_iovar_params_t iovar; u8 smbuf[WLC_IOCTL_SMLEN]; if (!dev) return BCME_BADARG; cfg = wl_get_cfg(dev); bzero(&iovar, sizeof(iovar)); bzero(smbuf, sizeof(smbuf)); iovar.hdr.ver = RADIO_PWRSAVE_VERSION; iovar.hdr.subcmd = WL_RPSNOA_CMD_PARAMS; iovar.hdr.len = sizeof(iovar); iovar.param->band = WLC_BAND_ALL; iovar.param->level = cfg->ap_rps_info.level; iovar.param->stas_assoc_check = cfg->ap_rps_info.sta_assoc_check; iovar.param->pps = cfg->ap_rps_info.pps; iovar.param->quiet_time = cfg->ap_rps_info.quiet_time; if (wldev_iovar_setbuf(dev, "rpsnoa", &iovar, sizeof(iovar), smbuf, sizeof(smbuf), NULL)) { WL_ERR(("Failed to set rpsnoa params")); return BCME_ERROR; } return BCME_OK; } int wl_get_ap_rps(struct net_device *dev, char* command, char *ifname, int total_len) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp; int error = BCME_ERROR; int bytes_written = 0; struct net_device *ndev = NULL; rpsnoa_iovar_status_t iovar; u8 smbuf[WLC_IOCTL_SMLEN]; u32 chanspec = 0; u8 idx = 0; u16 state; u32 sleep; u32 time_since_enable; dhdp = (dhd_pub_t *)(cfg->pub); if (!dhdp) { error = BCME_NOTUP; goto fail; } if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { WL_ERR(("Not Hostapd mode\n")); error = BCME_NOTAP; goto fail; } ndev = wl_get_ap_netdev(cfg, ifname); if (ndev == NULL) { WL_ERR(("No softAP interface named %s\n", ifname)); error = BCME_NOTAP; goto fail; } bzero(&iovar, sizeof(iovar)); bzero(smbuf, sizeof(smbuf)); iovar.hdr.ver = RADIO_PWRSAVE_VERSION; iovar.hdr.subcmd = WL_RPSNOA_CMD_STATUS; iovar.hdr.len = sizeof(iovar); iovar.stats->band = WLC_BAND_ALL; error = wldev_iovar_getbuf(ndev, "rpsnoa", &iovar, sizeof(iovar), smbuf, sizeof(smbuf), NULL); if (error < 0) { WL_ERR(("get ap radio pwrsave failed = %d\n", error)); goto fail; } /* RSDB event doesn't seem to be handled correctly. * So check chanspec of AP directly from the firmware */ error = wldev_iovar_getint(ndev, "chanspec", (s32 *)&chanspec); if (error < 0) { WL_ERR(("get chanspec from AP failed = %d\n", error)); goto fail; } chanspec = wl_chspec_driver_to_host(chanspec); if (CHSPEC_IS2G(chanspec)) idx = 0; else if (CHSPEC_IS5G(chanspec)) idx = 1; else { error = BCME_BADCHAN; goto fail; } state = ((rpsnoa_iovar_status_t *)smbuf)->stats[idx].state; sleep = ((rpsnoa_iovar_status_t *)smbuf)->stats[idx].sleep_dur; time_since_enable = ((rpsnoa_iovar_status_t *)smbuf)->stats[idx].sleep_avail_dur; /* Conver ms to minute, round down only */ sleep = DIV_U64_BY_U32(sleep, MSEC_PER_MIN); time_since_enable = DIV_U64_BY_U32(time_since_enable, MSEC_PER_MIN); bytes_written += snprintf(command + bytes_written, total_len, "state=%d sleep=%d time_since_enable=%d", state, sleep, time_since_enable); error = bytes_written; fail: return error; } int wl_set_ap_rps(struct net_device *dev, bool enable, char *ifname) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp; struct net_device *ndev = NULL; rpsnoa_iovar_t iovar; u8 smbuf[WLC_IOCTL_SMLEN]; int ret = BCME_OK; dhdp = (dhd_pub_t *)(cfg->pub); if (!dhdp) { ret = BCME_NOTUP; goto exit; } if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { WL_ERR(("Not Hostapd mode\n")); ret = BCME_NOTAP; goto exit; } ndev = wl_get_ap_netdev(cfg, ifname); if (ndev == NULL) { WL_ERR(("No softAP interface named %s\n", ifname)); ret = BCME_NOTAP; goto exit; } if (cfg->ap_rps_info.enable != enable) { cfg->ap_rps_info.enable = enable; if (enable) { ret = _wl_update_ap_rps_params(ndev); if (ret) { WL_ERR(("Filed to update rpsnoa params\n")); goto exit; } } bzero(&iovar, sizeof(iovar)); bzero(smbuf, sizeof(smbuf)); iovar.hdr.ver = RADIO_PWRSAVE_VERSION; iovar.hdr.subcmd = WL_RPSNOA_CMD_ENABLE; iovar.hdr.len = sizeof(iovar); iovar.data->band = WLC_BAND_ALL; iovar.data->value = (int16)enable; ret = wldev_iovar_setbuf(ndev, "rpsnoa", &iovar, sizeof(iovar), smbuf, sizeof(smbuf), NULL); if (ret) { WL_ERR(("Failed to enable AP radio power save")); goto exit; } cfg->ap_rps_info.enable = enable; } exit: return ret; } int wl_update_ap_rps_params(struct net_device *dev, ap_rps_info_t* rps, char *ifname) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp; struct net_device *ndev = NULL; dhdp = (dhd_pub_t *)(cfg->pub); if (!dhdp) return BCME_NOTUP; if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { WL_ERR(("Not Hostapd mode\n")); return BCME_NOTAP; } ndev = wl_get_ap_netdev(cfg, ifname); if (ndev == NULL) { WL_ERR(("No softAP interface named %s\n", ifname)); return BCME_NOTAP; } if (!rps) return BCME_BADARG; if (rps->pps < RADIO_PWRSAVE_PPS_MIN) return BCME_BADARG; if (rps->level < RADIO_PWRSAVE_LEVEL_MIN || rps->level > RADIO_PWRSAVE_LEVEL_MAX) return BCME_BADARG; if (rps->quiet_time < RADIO_PWRSAVE_QUIETTIME_MIN) return BCME_BADARG; if (rps->sta_assoc_check > RADIO_PWRSAVE_ASSOCCHECK_MAX || rps->sta_assoc_check < RADIO_PWRSAVE_ASSOCCHECK_MIN) return BCME_BADARG; cfg->ap_rps_info.pps = rps->pps; cfg->ap_rps_info.level = rps->level; cfg->ap_rps_info.quiet_time = rps->quiet_time; cfg->ap_rps_info.sta_assoc_check = rps->sta_assoc_check; if (cfg->ap_rps_info.enable) { if (_wl_update_ap_rps_params(ndev)) { WL_ERR(("Failed to update rpsnoa params")); return BCME_ERROR; } } return BCME_OK; } void wl_cfg80211_init_ap_rps(struct bcm_cfg80211 *cfg) { cfg->ap_rps_info.enable = FALSE; cfg->ap_rps_info.sta_assoc_check = RADIO_PWRSAVE_STAS_ASSOC_CHECK; cfg->ap_rps_info.pps = RADIO_PWRSAVE_PPS; cfg->ap_rps_info.quiet_time = RADIO_PWRSAVE_QUIET_TIME; cfg->ap_rps_info.level = RADIO_PWRSAVE_LEVEL; } #endif /* SUPPORT_AP_RADIO_PWRSAVE */ int wl_cfg80211_iface_count(struct net_device *dev) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct net_info *iter, *next; int iface_count = 0; /* Return the count of network interfaces (skip netless p2p discovery * interface) */ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev) { iface_count++; } } return iface_count; } #ifdef SUPPORT_SET_CAC static void wl_cfg80211_set_cac(struct bcm_cfg80211 *cfg, int enable) { int ret = 0; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); WL_DBG(("cac enable %d\n", enable)); if (!dhd) { WL_ERR(("dhd is NULL\n")); return; } if ((ret = dhd_wl_ioctl_set_intiovar(dhd, "cac", enable, WLC_SET_VAR, TRUE, 0)) < 0) { WL_ERR(("Failed set CAC, ret=%d\n", ret)); } else { WL_DBG(("CAC set successfully\n")); } return; } #endif /* SUPPORT_SET_CAC */ #ifdef SUPPORT_RSSI_SUM_REPORT int wl_get_rssi_per_ant(struct net_device *dev, char *ifname, char *peer_mac, void *param) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); wl_rssi_ant_mimo_t *get_param = (wl_rssi_ant_mimo_t *)param; rssi_ant_param_t *set_param = NULL; struct net_device *ifdev = NULL; char iobuf[WLC_IOCTL_SMLEN]; int err = BCME_OK; int iftype = 0; bzero(iobuf, WLC_IOCTL_SMLEN); /* Check the interface type */ ifdev = wl_get_netdev_by_name(cfg, ifname); if (ifdev == NULL) { WL_ERR(("Could not find net_device for ifname:%s\n", ifname)); err = BCME_BADARG; goto fail; } iftype = ifdev->ieee80211_ptr->iftype; if (iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO) { if (peer_mac) { set_param = (rssi_ant_param_t *)MALLOCZ(cfg->osh, sizeof(rssi_ant_param_t)); err = wl_cfg80211_ether_atoe(peer_mac, &set_param->ea); if (!err) { WL_ERR(("Invalid Peer MAC format\n")); err = BCME_BADARG; goto fail; } } else { WL_ERR(("Peer MAC is not provided for iftype %d\n", iftype)); err = BCME_BADARG; goto fail; } } err = wldev_iovar_getbuf(ifdev, "phy_rssi_ant", peer_mac ? (void *)&(set_param->ea) : NULL, peer_mac ? ETHER_ADDR_LEN : 0, (void *)iobuf, sizeof(iobuf), NULL); if (unlikely(err)) { WL_ERR(("Failed to get rssi info, err=%d\n", err)); } else { memcpy(get_param, iobuf, sizeof(wl_rssi_ant_mimo_t)); if (get_param->count == 0) { WL_ERR(("Not supported on this chip\n")); err = BCME_UNSUPPORTED; } } fail: if (set_param) { MFREE(cfg->osh, set_param, sizeof(rssi_ant_param_t)); } return err; } int wl_get_rssi_logging(struct net_device *dev, void *param) { rssilog_get_param_t *get_param = (rssilog_get_param_t *)param; char iobuf[WLC_IOCTL_SMLEN]; int err = BCME_OK; bzero(iobuf, WLC_IOCTL_SMLEN); bzero(get_param, sizeof(*get_param)); err = wldev_iovar_getbuf(dev, "rssilog", NULL, 0, (void *)iobuf, sizeof(iobuf), NULL); if (err) { WL_ERR(("Failed to get rssi logging info, err=%d\n", err)); } else { memcpy(get_param, iobuf, sizeof(*get_param)); } return err; } int wl_set_rssi_logging(struct net_device *dev, void *param) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); rssilog_set_param_t *set_param = (rssilog_set_param_t *)param; int err; err = wldev_iovar_setbuf(dev, "rssilog", set_param, sizeof(*set_param), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (err) { WL_ERR(("Failed to set rssi logging param, err=%d\n", err)); } return err; } #endif /* SUPPORT_RSSI_SUM_REPORT */ /* Function to flush the FW preserve buffer content * The buffer content is sent to host in form of events. */ void wl_flush_fw_log_buffer(struct net_device *dev, uint32 logset_mask) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); int i; int err = 0; u8 buf[WLC_IOCTL_SMLEN] = {0}; wl_el_set_params_t set_param; /* Set the size of data to retrieve */ memset(&set_param, 0, sizeof(set_param)); set_param.size = WLC_IOCTL_SMLEN; for (i = 0; i < dhd->event_log_max_sets; i++) { if ((0x01u << i) & logset_mask) { set_param.set = i; err = wldev_iovar_setbuf(dev, "event_log_get", &set_param, sizeof(struct wl_el_set_params_s), buf, WLC_IOCTL_SMLEN, NULL); if (err) { WL_DBG(("Failed to get fw preserve logs, err=%d\n", err)); } } } } #ifdef USE_WFA_CERT_CONF extern int g_frameburst; #endif /* USE_WFA_CERT_CONF */ int wl_cfg80211_set_frameburst(struct bcm_cfg80211 *cfg, bool enable) { int ret = BCME_OK; int val = enable ? 1 : 0; #ifdef USE_WFA_CERT_CONF if (!g_frameburst) { WL_DBG(("Skip setting frameburst\n")); return 0; } #endif /* USE_WFA_CERT_CONF */ WL_DBG(("Set frameburst %d\n", val)); ret = wldev_ioctl_set(bcmcfg_to_prmry_ndev(cfg), WLC_SET_FAKEFRAG, &val, sizeof(val)); if (ret < 0) { WL_ERR(("Failed set frameburst, ret=%d\n", ret)); } else { WL_INFORM_MEM(("frameburst is %s\n", enable ? "enabled" : "disabled")); } return ret; } s32 wl_cfg80211_set_dbg_verbose(struct net_device *ndev, u32 level) { /* configure verbose level for debugging */ if (level) { /* Enable increased verbose */ wl_dbg_level |= WL_DBG_DBG; } else { /* Disable */ wl_dbg_level &= ~WL_DBG_DBG; } WL_INFORM(("debug verbose set to %d\n", level)); return BCME_OK; } const u8 * wl_find_attribute(const u8 *buf, u16 len, u16 element_id) { const u8 *attrib; u16 attrib_id; u16 attrib_len; if (!buf) { WL_ERR(("buf null\n")); return NULL; } attrib = buf; while (len >= 4) { /* attribute id */ attrib_id = *attrib++ << 8; attrib_id |= *attrib++; len -= 2; /* 2-byte little endian */ attrib_len = *attrib++ << 8; attrib_len |= *attrib++; len -= 2; if (attrib_id == element_id) { /* This will point to start of subelement attrib after * attribute id & len */ return attrib; } if (len > attrib_len) { len -= attrib_len; /* for the remaining subelt fields */ WL_DBG(("Attribue:%4x attrib_len:%d rem_len:%d\n", attrib_id, attrib_len, len)); /* Go to next subelement */ attrib += attrib_len; } else { WL_ERR(("Incorrect Attribue:%4x attrib_len:%d\n", attrib_id, attrib_len)); return NULL; } } return NULL; } uint8 wl_cfg80211_get_bus_state(struct bcm_cfg80211 *cfg) { dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); WL_INFORM(("dhd->hang_was_sent = %d and busstate = %d\n", dhd->hang_was_sent, dhd->busstate)); return ((dhd->busstate == DHD_BUS_DOWN) || dhd->hang_was_sent); } #ifdef WL_WPS_SYNC static void wl_wps_reauth_timeout(unsigned long data) { struct net_device *ndev = (struct net_device *)data; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); s32 inst; unsigned long flags; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); inst = wl_get_wps_inst_match(cfg, ndev); if (inst >= 0) { WL_ERR(("[%s][WPS] Reauth Timeout Inst:%d! state:%d\n", ndev->name, inst, cfg->wps_session[inst].state)); if (cfg->wps_session[inst].state == WPS_STATE_REAUTH_WAIT) { /* Session should get deleted from success (linkup) or * deauth case. Just in case, link reassoc failed, clear * state here. */ WL_ERR(("[%s][WPS] Reauth Timeout Inst:%d!\n", ndev->name, inst)); cfg->wps_session[inst].state = WPS_STATE_IDLE; cfg->wps_session[inst].in_use = false; } } WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); } static void wl_init_wps_reauth_sm(struct bcm_cfg80211 *cfg) { /* Only two instances are supported as of now. one for * infra STA and other for infra STA/GC. */ int i = 0; struct net_device *pdev = bcmcfg_to_prmry_ndev(cfg); spin_lock_init(&cfg->wps_sync); for (i = 0; i < WPS_MAX_SESSIONS; i++) { /* Init scan_timeout timer */ init_timer_compat(&cfg->wps_session[i].timer, wl_wps_reauth_timeout, pdev); cfg->wps_session[i].in_use = false; cfg->wps_session[i].state = WPS_STATE_IDLE; } } static void wl_deinit_wps_reauth_sm(struct bcm_cfg80211 *cfg) { int i = 0; for (i = 0; i < WPS_MAX_SESSIONS; i++) { cfg->wps_session[i].in_use = false; cfg->wps_session[i].state = WPS_STATE_IDLE; if (timer_pending(&cfg->wps_session[i].timer)) { del_timer_sync(&cfg->wps_session[i].timer); } } } static s32 wl_get_free_wps_inst(struct bcm_cfg80211 *cfg) { int i; for (i = 0; i < WPS_MAX_SESSIONS; i++) { if (!cfg->wps_session[i].in_use) { return i; } } return BCME_ERROR; } static s32 wl_get_wps_inst_match(struct bcm_cfg80211 *cfg, struct net_device *ndev) { int i; for (i = 0; i < WPS_MAX_SESSIONS; i++) { if ((cfg->wps_session[i].in_use) && (ndev == cfg->wps_session[i].ndev)) { return i; } } return BCME_ERROR; } static s32 wl_wps_session_add(struct net_device *ndev, u16 mode, u8 *mac_addr) { s32 inst; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); /* Fetch and initialize a wps instance */ inst = wl_get_free_wps_inst(cfg); if (inst == BCME_ERROR) { WL_ERR(("[WPS] No free insance\n")); WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return BCME_ERROR; } cfg->wps_session[inst].in_use = true; cfg->wps_session[inst].state = WPS_STATE_STARTED; cfg->wps_session[inst].ndev = ndev; cfg->wps_session[inst].mode = mode; /* return check not required since both buffer lens are same */ (void)memcpy_s(cfg->wps_session[inst].peer_mac, ETH_ALEN, mac_addr, ETH_ALEN); WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); WL_INFORM_MEM(("[%s][WPS] session created. Peer: " MACDBG "\n", ndev->name, MAC2STRDBG(mac_addr))); return BCME_OK; } static void wl_wps_session_del(struct net_device *ndev) { s32 inst; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); /* Get current instance for the given ndev */ inst = wl_get_wps_inst_match(cfg, ndev); if (inst == BCME_ERROR) { WL_DBG(("[WPS] instance match NOT found\n")); WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return; } cur_state = cfg->wps_session[inst].state; if (cur_state != WPS_STATE_DONE) { WL_DBG(("[WPS] wrong state:%d\n", cur_state)); WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return; } /* Mark this as unused */ cfg->wps_session[inst].in_use = false; cfg->wps_session[inst].state = WPS_STATE_IDLE; WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); /* Ensure this API is called from sleepable context. */ if (timer_pending(&cfg->wps_session[inst].timer)) { del_timer_sync(&cfg->wps_session[inst].timer); } WL_INFORM_MEM(("[%s][WPS] session deleted\n", ndev->name)); } static void wl_wps_handle_ifdel(struct net_device *ndev) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; s32 inst; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); inst = wl_get_wps_inst_match(cfg, ndev); if (inst == BCME_ERROR) { WL_DBG(("[WPS] instance match NOT found\n")); WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return; } cur_state = cfg->wps_session[inst].state; cfg->wps_session[inst].state = WPS_STATE_DONE; WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); WL_INFORM_MEM(("[%s][WPS] state:%x\n", ndev->name, cur_state)); if (cur_state > WPS_STATE_IDLE) { wl_wps_session_del(ndev); } } static s32 wl_wps_handle_sta_linkdown(struct net_device *ndev, u16 inst) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; bool wps_done = false; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; if (cur_state == WPS_STATE_REAUTH_WAIT) { WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); wl_clr_drv_status(cfg, CONNECTED, ndev); wl_clr_drv_status(cfg, DISCONNECTING, ndev); WL_INFORM_MEM(("[%s][WPS] REAUTH link down\n", ndev->name)); /* Drop the link down event while we are waiting for reauth */ return BCME_UNSUPPORTED; } else if (cur_state == WPS_STATE_STARTED) { /* Link down before reaching EAP-FAIL. End WPS session */ cfg->wps_session[inst].state = WPS_STATE_DONE; wps_done = true; WL_INFORM_MEM(("[%s][WPS] link down after wps start\n", ndev->name)); } else { WL_DBG(("[%s][WPS] link down in state:%d\n", ndev->name, cur_state)); } WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); if (wps_done) { wl_wps_session_del(ndev); } return BCME_OK; } static s32 wl_wps_handle_peersta_linkdown(struct net_device *ndev, u16 inst, const u8 *peer_mac) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; s32 ret = BCME_OK; bool wps_done = false; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; if (!peer_mac) { WL_ERR(("Invalid arg\n")); ret = BCME_ERROR; goto exit; } /* AP/GO can have multiple clients. so validate peer_mac addr * and ensure states are updated only for right peer. */ if (memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) { /* Mac addr not matching. Ignore. */ WL_DBG(("[%s][WPS] No active WPS session" "for the peer:" MACDBG "\n", ndev->name, MAC2STRDBG(peer_mac))); ret = BCME_OK; goto exit; } if (cur_state == WPS_STATE_REAUTH_WAIT) { WL_INFORM_MEM(("[%s][WPS] REAUTH link down." " Peer: " MACDBG "\n", ndev->name, MAC2STRDBG(peer_mac))); #ifdef NOT_YET /* Link down during REAUTH state is expected. However, * if this is send up, hostapd statemachine issues a * deauth down and that may pre-empt WPS reauth state * at GC. */ WL_INFORM_MEM(("[%s][WPS] REAUTH link down. Ignore." " for client:" MACDBG "\n", ndev->name, MAC2STRDBG(peer_mac))); ret = BCME_UNSUPPORTED; #endif // endif } else if (cur_state == WPS_STATE_STARTED) { /* Link down before reaching REAUTH_WAIT state. WPS * session ended. */ cfg->wps_session[inst].state = WPS_STATE_DONE; WL_INFORM_MEM(("[%s][WPS] link down after wps start" " client:" MACDBG "\n", ndev->name, MAC2STRDBG(peer_mac))); wps_done = true; /* since we have freed lock above, return from here */ ret = BCME_OK; } else { WL_ERR(("[%s][WPS] Unsupported state:%d", ndev->name, cur_state)); ret = BCME_ERROR; } exit: WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); if (wps_done) { wl_wps_session_del(ndev); } return ret; } static s32 wl_wps_handle_sta_linkup(struct net_device *ndev, u16 inst) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; s32 ret = BCME_OK; bool wps_done = false; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; if (cur_state == WPS_STATE_REAUTH_WAIT) { /* WPS session succeeded. del session. */ cfg->wps_session[inst].state = WPS_STATE_DONE; wps_done = true; WL_INFORM_MEM(("[%s][WPS] WPS_REAUTH link up (WPS DONE)\n", ndev->name)); ret = BCME_OK; } else { WL_ERR(("[%s][WPS] unexpected link up in state:%d \n", ndev->name, cur_state)); ret = BCME_ERROR; } WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); if (wps_done) { wl_wps_session_del(ndev); } return ret; } static s32 wl_wps_handle_peersta_linkup(struct net_device *ndev, u16 inst, const u8 *peer_mac) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; s32 ret = BCME_OK; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; /* For AP case, check whether call came for right peer */ if (!peer_mac || memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) { WL_ERR(("[WPS] macaddr mismatch\n")); WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); /* Mac addr not matching. Ignore. */ return BCME_ERROR; } if (cur_state == WPS_STATE_REAUTH_WAIT) { WL_INFORM_MEM(("[%s][WPS] REAUTH link up\n", ndev->name)); ret = BCME_OK; } else { WL_INFORM_MEM(("[%s][WPS] unexpected link up in state:%d \n", ndev->name, cur_state)); ret = BCME_ERROR; } WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return ret; } static s32 wl_wps_handle_authorize(struct net_device *ndev, u16 inst, const u8 *peer_mac) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; bool wps_done = false; s32 ret = BCME_OK; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; /* For AP case, check whether call came for right peer */ if (!peer_mac || memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) { WL_ERR(("[WPS] macaddr mismatch\n")); WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); /* Mac addr not matching. Ignore. */ return BCME_ERROR; } if (cur_state == WPS_STATE_REAUTH_WAIT) { /* WPS session succeeded. del session. */ cfg->wps_session[inst].state = WPS_STATE_DONE; wps_done = true; WL_INFORM_MEM(("[%s][WPS] Authorize done (WPS DONE)\n", ndev->name)); ret = BCME_OK; } else { WL_INFORM_MEM(("[%s][WPS] unexpected Authorize in state:%d \n", ndev->name, cur_state)); ret = BCME_ERROR; } WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); if (wps_done) { wl_wps_session_del(ndev); } return ret; } static s32 wl_wps_handle_reauth(struct net_device *ndev, u16 inst, const u8 *peer_mac) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; u16 mode; s32 ret = BCME_OK; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; mode = cfg->wps_session[inst].mode; if (((mode == WL_MODE_BSS) && (cur_state == WPS_STATE_STARTED)) || ((mode == WL_MODE_AP) && (cur_state == WPS_STATE_M8_SENT))) { /* Move to reauth wait */ cfg->wps_session[inst].state = WPS_STATE_REAUTH_WAIT; /* Use ndev to find the wps instance which fired the timer */ timer_set_private(&cfg->wps_session[inst].timer, ndev); WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); mod_timer(&cfg->wps_session[inst].timer, jiffies + msecs_to_jiffies(WL_WPS_REAUTH_TIMEOUT)); WL_INFORM_MEM(("[%s][WPS] STATE_REAUTH_WAIT mode:%d Peer: " MACDBG "\n", ndev->name, mode, MAC2STRDBG(peer_mac))); return BCME_OK; } else { /* 802.1x cases */ WL_DBG(("[%s][WPS] EAP-FAIL\n", ndev->name)); } WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return ret; } static s32 wl_wps_handle_disconnect(struct net_device *ndev, u16 inst, const u8 *peer_mac) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; s32 ret = BCME_OK; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; /* If Disconnect command comes from user space for STA/GC, * respond with event without waiting for event from fw as * it would be dropped by the WPS_SYNC code. */ if (cur_state == WPS_STATE_REAUTH_WAIT) { if (ETHER_ISBCAST(peer_mac)) { WL_DBG(("[WPS] Bcast peer. Do nothing.\n")); } else { /* Notify link down */ CFG80211_DISCONNECTED(ndev, WLAN_REASON_DEAUTH_LEAVING, NULL, 0, true, GFP_ATOMIC); } } else { WL_DBG(("[%s][WPS] Not valid state to report disconnected:%d", ndev->name, cur_state)); ret = BCME_UNSUPPORTED; } WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return ret; } static s32 wl_wps_handle_disconnect_client(struct net_device *ndev, u16 inst, const u8 *peer_mac) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; s32 ret = BCME_OK; bool wps_done = false; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; /* For GO/AP, ignore disconnect client during reauth state */ if (cur_state == WPS_STATE_REAUTH_WAIT) { if (ETHER_ISBCAST(peer_mac)) { /* If there is broadcast deauth, then mark wps session as ended */ cfg->wps_session[inst].state = WPS_STATE_DONE; wps_done = true; WL_INFORM_MEM(("[%s][WPS] BCAST deauth. WPS stopped.\n", ndev->name)); ret = BCME_OK; goto exit; } else if (!(memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN))) { WL_ERR(("[%s][WPS] Drop disconnect client\n", ndev->name)); ret = BCME_UNSUPPORTED; } } exit: WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); if (wps_done) { wl_wps_session_del(ndev); } return ret; } static s32 wl_wps_handle_connect_fail(struct net_device *ndev, u16 inst) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; bool wps_done = false; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; if (cur_state == WPS_STATE_REAUTH_WAIT) { cfg->wps_session[inst].state = WPS_STATE_DONE; wps_done = true; WL_INFORM_MEM(("[%s][WPS] Connect fail. WPS stopped.\n", ndev->name)); } else { WL_ERR(("[%s][WPS] Connect fail. state:%d\n", ndev->name, cur_state)); } WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); if (wps_done) { wl_wps_session_del(ndev); } return BCME_OK; } static s32 wl_wps_handle_m8_sent(struct net_device *ndev, u16 inst, const u8 *peer_mac) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); unsigned long flags; u16 cur_state; s32 ret = BCME_OK; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); cur_state = cfg->wps_session[inst].state; if (cur_state == WPS_STATE_STARTED) { /* Move to M8 sent state */ cfg->wps_session[inst].state = WPS_STATE_M8_SENT; WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return BCME_OK; } else { /* 802.1x cases */ WL_DBG(("[%s][WPS] Not valid state to send M8\n", ndev->name)); } WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return ret; } static s32 wl_wps_session_update(struct net_device *ndev, u16 state, const u8 *peer_mac) { s32 inst; u16 mode; struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); s32 ret = BCME_ERROR; unsigned long flags; WL_CFG_WPS_SYNC_LOCK(&cfg->wps_sync, flags); /* Get current instance for the given ndev */ inst = wl_get_wps_inst_match(cfg, ndev); if (inst == BCME_ERROR) { /* No active WPS session. Do Nothing. */ WL_DBG(("[%s][WPS] No matching instance.\n", ndev->name)); WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); return BCME_NOTFOUND; } mode = cfg->wps_session[inst].mode; WL_CFG_WPS_SYNC_UNLOCK(&cfg->wps_sync, flags); WL_DBG(("[%s][WPS] state:%d mode:%d Peer: " MACDBG "\n", ndev->name, state, mode, MAC2STRDBG(peer_mac))); switch (state) { case WPS_STATE_M8_RECVD: { /* Occasionally, due to race condition between ctrl * and data path, deauth ind is recvd before EAP-FAIL. * Ignore deauth ind before EAP-FAIL * So move to REAUTH WAIT on receiving M8 on GC and * ignore deauth ind before EAP-FAIL till 'x' timeout. * Kickoff a timer to monitor reauth status. */ if (mode == WL_MODE_BSS) { ret = wl_wps_handle_reauth(ndev, inst, peer_mac); } else { /* Nothing to be done for AP/GO mode */ ret = BCME_OK; } break; } case WPS_STATE_M8_SENT: { /* Mantain the M8 sent state to verify * EAP-FAIL sent is valid */ if (mode == WL_MODE_AP) { ret = wl_wps_handle_m8_sent(ndev, inst, peer_mac); } else { /* Nothing to be done for STA/GC mode */ ret = BCME_OK; } break; } case WPS_STATE_EAP_FAIL: { /* Move to REAUTH WAIT following EAP-FAIL TX on GO/AP. * Kickoff a timer to monitor reauth status */ if (mode == WL_MODE_AP) { ret = wl_wps_handle_reauth(ndev, inst, peer_mac); } else { /* Nothing to be done for STA/GC mode */ ret = BCME_OK; } break; } case WPS_STATE_LINKDOWN: { if (mode == WL_MODE_BSS) { ret = wl_wps_handle_sta_linkdown(ndev, inst); } else if (mode == WL_MODE_AP) { /* Take action only for matching peer mac */ if (!memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) { ret = wl_wps_handle_peersta_linkdown(ndev, inst, peer_mac); } } break; } case WPS_STATE_LINKUP: { if (mode == WL_MODE_BSS) { wl_wps_handle_sta_linkup(ndev, inst); } else if (mode == WL_MODE_AP) { /* Take action only for matching peer mac */ if (!memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) { wl_wps_handle_peersta_linkup(ndev, inst, peer_mac); } } break; } case WPS_STATE_DISCONNECT_CLIENT: { /* Disconnect STA/GC command from user space */ if (mode == WL_MODE_AP) { ret = wl_wps_handle_disconnect_client(ndev, inst, peer_mac); } else { WL_ERR(("[WPS] Unsupported mode %d\n", mode)); } break; } case WPS_STATE_DISCONNECT: { /* Disconnect command on STA/GC interface */ if (mode == WL_MODE_BSS) { ret = wl_wps_handle_disconnect(ndev, inst, peer_mac); } break; } case WPS_STATE_CONNECT_FAIL: { if (mode == WL_MODE_BSS) { ret = wl_wps_handle_connect_fail(ndev, inst); } else { WL_ERR(("[WPS] Unsupported mode %d\n", mode)); } break; } case WPS_STATE_AUTHORIZE: { if (mode == WL_MODE_AP) { /* Take action only for matching peer mac */ if (!memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) { wl_wps_handle_authorize(ndev, inst, peer_mac); } else { WL_INFORM_MEM(("[WPS] Authorize Request for wrong peer\n")); } } break; } default: WL_ERR(("[WPS] Unsupported state:%d mode:%d\n", state, mode)); ret = BCME_ERROR; } return ret; } #define EAP_EXP_ATTRIB_DATA_OFFSET 14 void wl_handle_wps_states(struct net_device *ndev, u8 *pkt, u16 len, bool direction) { eapol_header_t *eapol_hdr; bool tx_packet = direction; u16 eapol_type; u16 mode; u8 *peer_mac; if (!ndev || !pkt) { WL_ERR(("[WPS] Invalid arg\n")); return; } if (len < (ETHER_HDR_LEN + EAPOL_HDR_LEN)) { WL_ERR(("[WPS] Invalid len\n")); return; } eapol_hdr = (eapol_header_t *)pkt; eapol_type = eapol_hdr->type; peer_mac = tx_packet ? eapol_hdr->eth.ether_dhost : eapol_hdr->eth.ether_shost; /* * The implementation assumes only one WPS session would be active * per interface at a time. Even for hostap, the wps_pin session * is limited to one enrollee/client at a time. A session is marked * started on WSC_START and gets cleared from below contexts * a) Deauth/link down before reaching EAP-FAIL state. (Fail case) * b) Link up following EAP-FAIL. (success case) * c) Link up timeout after EAP-FAIL. (Fail case) */ if (eapol_type == EAP_PACKET) { wl_eap_header_t *eap; if (len > sizeof(*eap)) { eap = (wl_eap_header_t *)(pkt + ETHER_HDR_LEN + EAPOL_HDR_LEN); if (eap->type == EAP_EXPANDED_TYPE) { wl_eap_exp_t *exp = (wl_eap_exp_t *)eap->data; if (eap->length > EAP_EXP_HDR_MIN_LENGTH) { /* opcode is at fixed offset */ u8 opcode = exp->opcode; u16 eap_len = ntoh16(eap->length); WL_DBG(("[%s][WPS] EAP EXPANDED packet. opcode:%x len:%d\n", ndev->name, opcode, eap_len)); if (opcode == EAP_WSC_MSG) { const u8 *msg; const u8* parse_buf = exp->data; /* Check if recvd pkt is fragmented */ if ((!tx_packet) && (exp->flags & EAP_EXP_FLAGS_FRAGMENTED_DATA)) { if ((eap_len - EAP_EXP_ATTRIB_DATA_OFFSET) > 2) { parse_buf += EAP_EXP_FRAGMENT_LEN_OFFSET; eap_len -= EAP_EXP_FRAGMENT_LEN_OFFSET; WL_DBG(("Rcvd EAP" " fragmented pkt\n")); } else { /* If recvd pkt is fragmented * and does not have * length field drop the packet. */ return; } } msg = wl_find_attribute(parse_buf, (eap_len - EAP_EXP_ATTRIB_DATA_OFFSET), EAP_ATTRIB_MSGTYPE); if (unlikely(!msg)) { WL_ERR(("[WPS] ATTRIB MSG not found!\n")); } else if ((*msg == EAP_WSC_MSG_M8) && !tx_packet) { WL_INFORM_MEM(("[%s][WPS] M8\n", ndev->name)); wl_wps_session_update(ndev, WPS_STATE_M8_RECVD, peer_mac); } else if ((*msg == EAP_WSC_MSG_M8) && tx_packet) { WL_INFORM_MEM(("[%s][WPS] M8 Sent\n", ndev->name)); wl_wps_session_update(ndev, WPS_STATE_M8_SENT, peer_mac); } else { WL_DBG(("[%s][WPS] EAP WSC MSG: 0x%X\n", ndev->name, *msg)); } } else if (opcode == EAP_WSC_START) { /* WSC session started. WSC_START - Tx from GO/AP. * Session will be deleted on successful link up or * on failure (deauth context) */ mode = tx_packet ? WL_MODE_AP : WL_MODE_BSS; wl_wps_session_add(ndev, mode, peer_mac); WL_INFORM_MEM(("[%s][WPS] WSC_START Mode:%d\n", ndev->name, mode)); } else if (opcode == EAP_WSC_DONE) { /* WSC session done. TX on STA/GC. RX on GO/AP * On devices where config file save fails, it may * return WPS_NAK with config_error:0. But the * connection would still proceed. Hence don't let * state machine depend on WSC DONE. */ WL_INFORM_MEM(("[%s][WPS] WSC_DONE\n", ndev->name)); } } } if (eap->code == EAP_CODE_FAILURE) { /* EAP_FAIL */ WL_INFORM_MEM(("[%s][WPS] EAP_FAIL\n", ndev->name)); wl_wps_session_update(ndev, WPS_STATE_EAP_FAIL, peer_mac); } } } } #endif /* WL_WPS_SYNC */ s32 wl_cfg80211_sup_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *event, void *data) { int err = BCME_OK; u32 status = ntoh32(event->status); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); u32 reason = ntoh32(event->reason); if (!wl_get_drv_status(cfg, CFG80211_CONNECT, ndev)) { /* Join attempt via non-cfg80211 interface. * Don't send resultant events to cfg80211 * layer */ WL_INFORM_MEM(("Event received in non-cfg80211" " connect state. Ignore\n")); return BCME_OK; } if ((status == WLC_SUP_KEYED || status == WLC_SUP_KEYXCHANGE_WAIT_G1) && reason == WLC_E_SUP_OTHER) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)) /* NL80211_CMD_PORT_AUTHORIZED supported above >= 4.15 */ cfg80211_port_authorized(ndev, (u8 *)wl_read_prof(cfg, ndev, WL_PROF_BSSID), GFP_KERNEL); WL_INFORM_MEM(("4way HS finished. port authorized event sent\n")); #elif ((LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || \ defined(WL_VENDOR_EXT_SUPPORT)) err = wl_cfgvendor_send_async_event(bcmcfg_to_wiphy(cfg), ndev, BRCM_VENDOR_EVENT_PORT_AUTHORIZED, NULL, 0); WL_INFORM_MEM(("4way HS finished. port authorized event sent\n")); #else /* not supported in kernel <= 3,14,0 */ #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0) */ } else if (status < WLC_SUP_KEYXCHANGE_WAIT_G1 && (reason != WLC_E_SUP_OTHER && reason != WLC_E_SUP_PTK_UPDATE)) { /* if any failure seen while 4way HS, should send NL80211_CMD_DISCONNECT */ WL_ERR(("4way HS error. status:%d, reason:%d\n", status, reason)); CFG80211_DISCONNECTED(ndev, 0, NULL, 0, false, GFP_KERNEL); } return err; } #ifdef WL_BCNRECV static s32 wl_bcnrecv_aborted_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { s32 status = ntoh32(e->status); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); /* Abort fakeapscan, when Roam is in progress */ if (status == WLC_E_STATUS_RXBCN_ABORT) { wl_android_bcnrecv_stop(ndev, WL_BCNRECV_ROAMABORT); } else { WL_ERR(("UNKNOWN STATUS. status:%d\n", status)); } return BCME_OK; } #endif /* WL_BCNRECV */ #ifdef WL_MBO static s32 wl_mbo_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { s32 err = 0; wl_event_mbo_t *mbo_evt = (wl_event_mbo_t *)data; wl_event_mbo_cell_nw_switch_t *cell_sw_evt = NULL; wl_btm_event_type_data_t *evt_data = NULL; WL_INFORM(("MBO: Evt %u\n", mbo_evt->type)); if (mbo_evt->type == WL_MBO_E_CELLULAR_NW_SWITCH) { cell_sw_evt = (wl_event_mbo_cell_nw_switch_t *)mbo_evt->data; BCM_REFERENCE(cell_sw_evt); SUPP_EVENT(("CTRL-EVENT-CELLULAR-SWITCH", "reason %d cur_assoc_time_left %u " "reassoc_delay %u\n", cell_sw_evt->reason, cell_sw_evt->assoc_time_remain, cell_sw_evt->reassoc_delay)); } else if (mbo_evt->type == WL_MBO_E_BTM_RCVD) { evt_data = (wl_btm_event_type_data_t *)mbo_evt->data; if (evt_data->version != WL_BTM_EVENT_DATA_VER_1) { WL_ERR(("version mismatch. rcvd %u expected %u\n", evt_data->version, WL_BTM_EVENT_DATA_VER_1)); return -1; } SUPP_EVENT(("CTRL-EVENT-BRCM-BTM-REQ-RCVD", "reason=%u\n", evt_data->transition_reason)); } else { WL_INFORM(("UNKNOWN EVENT. type:%u\n", mbo_evt->type)); } return err; } #endif /* WL_MBO */ #ifdef WL_CAC_TS static s32 wl_cfg80211_cac_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { u32 event = ntoh32(e->event_type); s32 status = ntoh32(e->status); s32 reason = ntoh32(e->reason); BCM_REFERENCE(reason); if (event == WLC_E_ADDTS_IND) { /* The supp log format of adding ts_delay in success case needs to be maintained */ if (status == WLC_E_STATUS_SUCCESS) { uint *ts_delay = (uint *)data; BCM_REFERENCE(ts_delay); SUPP_EVENT(("CTRL-EVENT-CAC-ADDTS", "status=%d reason=%d ts_delay=%u\n", status, reason, *ts_delay)); } else { SUPP_EVENT(("CTRL-EVENT-CAC-ADDTS", "status=%d reason=%d\n", status, reason)); } } else if (event == WLC_E_DELTS_IND) { SUPP_EVENT(("CTRL-EVENT-CAC-DELTS", "status=%d reason=%d\n", status, reason)); } return BCME_OK; } #endif /* WL_CAC_TS */ #if defined(WL_MBO) || defined(WL_OCE) static s32 wl_bssid_prune_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { s32 err = 0; uint reason = 0; wl_bssid_pruned_evt_info_t *evt_info = (wl_bssid_pruned_evt_info_t *)data; if (evt_info->version == WL_BSSID_PRUNE_EVT_VER_1) { if (evt_info->reason == WLC_E_PRUNE_ASSOC_RETRY_DELAY) { /* MBO assoc retry delay */ reason = WIFI_PRUNE_ASSOC_RETRY_DELAY; SUPP_EVENT(("CTRL-EVENT-BRCM-BSSID-PRUNED", "ssid=%s bssid=" MACF " reason=%u timeout_val=%u(ms)\n", evt_info->SSID, ETHER_TO_MACF(evt_info->BSSID), reason, evt_info->time_remaining)); } else if (evt_info->reason == WLC_E_PRUNE_RSSI_ASSOC_REJ) { /* OCE RSSI-based assoc rejection */ reason = WIFI_PRUNE_RSSI_ASSOC_REJ; SUPP_EVENT(("CTRL-EVENT-BRCM-BSSID-PRUNED", "ssid=%s bssid=" MACF " reason=%u timeout_val=%u(ms) rssi_threshold=%d(dBm)\n", evt_info->SSID, ETHER_TO_MACF(evt_info->BSSID), reason, evt_info->time_remaining, evt_info->rssi_threshold)); } else { /* Invalid other than the assoc retry delay/RSSI assoc rejection * in the current handler */ BCM_REFERENCE(reason); WL_INFORM(("INVALID. reason:%u\n", evt_info->reason)); } } else { WL_INFORM(("version mismatch. rcvd %u expected %u\n", evt_info->version, WL_BSSID_PRUNE_EVT_VER_1)); } return err; } #endif /* WL_MBO || WL_OCE */ #ifdef RTT_SUPPORT static s32 wl_cfg80211_rtt_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); wl_event_msg_t event; (void)memcpy_s(&event, sizeof(wl_event_msg_t), e, sizeof(wl_event_msg_t)); return dhd_rtt_event_handler(dhdp, &event, data); } #endif /* RTT_SUPPORT */ void wl_print_verinfo(struct bcm_cfg80211 *cfg) { char *ver_ptr; uint32 alloc_len = MOD_PARAM_INFOLEN; if (!cfg) { WL_ERR(("cfg is NULL\n")); return; } ver_ptr = (char *)MALLOCZ(cfg->osh, alloc_len); if (!ver_ptr) { WL_ERR(("Failed to alloc ver_ptr\n")); return; } if (!dhd_os_get_version(bcmcfg_to_prmry_ndev(cfg), TRUE, &ver_ptr, alloc_len)) { WL_ERR(("DHD Version: %s\n", ver_ptr)); } if (!dhd_os_get_version(bcmcfg_to_prmry_ndev(cfg), FALSE, &ver_ptr, alloc_len)) { WL_ERR(("F/W Version: %s\n", ver_ptr)); } MFREE(cfg->osh, ver_ptr, alloc_len); } #if defined(WL_DISABLE_HE_SOFTAP) || defined(WL_DISABLE_HE_P2P) typedef struct { uint16 id; uint16 len; uint32 val; } he_xtlv_v32; static bool wl_he_get_uint_cb(void *ctx, uint16 *id, uint16 *len) { he_xtlv_v32 *v32 = ctx; *id = v32->id; *len = v32->len; return FALSE; } static void wl_he_pack_uint_cb(void *ctx, uint16 id, uint16 len, uint8 *buf) { he_xtlv_v32 *v32 = ctx; BCM_REFERENCE(id); BCM_REFERENCE(len); v32->val = htod32(v32->val); switch (v32->len) { case sizeof(uint8): *buf = (uint8)v32->val; break; case sizeof(uint16): store16_ua(buf, (uint16)v32->val); break; case sizeof(uint32): store32_ua(buf, v32->val); break; default: /* ASSERT(0); */ break; } } int wl_cfg80211_set_he_mode(struct net_device *dev, struct bcm_cfg80211 *cfg, s32 bssidx, u32 interface_type, bool set) { bcm_xtlv_t read_he_xtlv; uint8 se_he_xtlv[32]; int se_he_xtlv_len = sizeof(se_he_xtlv); he_xtlv_v32 v32; u32 he_feature = 0; s32 err = 0; u32 he_interface = 0; read_he_xtlv.id = WL_HE_CMD_FEATURES; read_he_xtlv.len = 0; err = wldev_iovar_getbuf_bsscfg(dev, "he", &read_he_xtlv, sizeof(read_he_xtlv), cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, NULL); if (err < 0) { if (err == BCME_UNSUPPORTED) { /* HE not supported. Do nothing. */ return BCME_OK; } WL_ERR(("HE get failed. error=%d\n", err)); } else { he_feature = *(int*)cfg->ioctl_buf; he_feature = dtoh32(he_feature); } v32.id = WL_HE_CMD_FEATURES; v32.len = sizeof(s32); if (interface_type == WL_IF_TYPE_P2P_DISC) { he_interface = WL_HE_FEATURES_HE_P2P; } else if (interface_type == WL_IF_TYPE_AP) { he_interface = WL_HE_FEATURES_HE_AP; } else { WL_ERR(("HE request for Invalid interface type")); err = BCME_BADARG; return err; } if (set) { v32.val = (he_feature | he_interface); } else { v32.val = (he_feature & ~he_interface); } err = bcm_pack_xtlv_buf((void *)&v32, se_he_xtlv, sizeof(se_he_xtlv), BCM_XTLV_OPTION_ALIGN32, wl_he_get_uint_cb, wl_he_pack_uint_cb, &se_he_xtlv_len); if (err != BCME_OK) { WL_ERR(("failed to pack he settvl=%d\n", err)); } err = wldev_iovar_setbuf_bsscfg(dev, "he", &se_he_xtlv, sizeof(se_he_xtlv), cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("failed to set he features, error=%d\n", err)); } WL_INFORM(("Set HE[%d] done\n", set)); return err; } #endif /* WL_DISABLE_HE_SOFTAP || WL_DISABLE_HE_P2P */ /* Get the concurrency mode */ int wl_cfg80211_get_concurrency_mode(struct bcm_cfg80211 *cfg) { struct net_info *iter, *next; uint cmode = CONCURRENCY_MODE_NONE; u32 connected_cnt = 0; u32 pre_channel = 0, channel = 0; u32 pre_band = 0; u32 chanspec = 0; u32 band = 0; connected_cnt = wl_get_drv_status_all(cfg, CONNECTED); if (connected_cnt <= 1) { return cmode; } GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { if (iter->ndev) { if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) { if (wldev_iovar_getint(iter->ndev, "chanspec", (s32 *)&chanspec) == BCME_OK) { channel = wf_chspec_ctlchan( wl_chspec_driver_to_host(chanspec)); band = (channel <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; } if ((!pre_channel && channel)) { pre_band = band; pre_channel = channel; } else if (pre_channel) { if ((pre_band == band) && (pre_channel == channel)) { cmode = CONCURRENCY_SCC_MODE; goto exit; } else if ((pre_band == band) && (pre_channel != channel)) { cmode = CONCURRENCY_VSDB_MODE; goto exit; } else if (pre_band != band) { cmode = CONCURRENCY_RSDB_MODE; goto exit; } } } } } #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \ 4 && __GNUC_MINOR__ >= 6)) _Pragma("GCC diagnostic pop") #endif // endif exit: return cmode; } #ifdef WL_CHAN_UTIL static s32 wl_cfg80211_bssload_report_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { s32 err = BCME_OK; struct sk_buff *skb = NULL; s32 status = ntoh32(e->status); u8 chan_use_percentage = 0; #if (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || \ LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); #endif /* (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || */ /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); uint len; gfp_t kflags; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) len = CU_ATTR_HDR_LEN + sizeof(u8); kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */ #if (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || \ LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) skb = cfg80211_vendor_event_alloc(wiphy, ndev_to_wdev(ndev), len, BRCM_VENDOR_EVENT_CU, kflags); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) skb = cfg80211_vendor_event_alloc(wiphy, len, BRCM_VENDOR_EVENT_CU, kflags); #else /* No support exist */ #endif /* (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || */ /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) */ if (!skb) { WL_ERR(("skb alloc failed")); return -ENOMEM; } if ((status == WLC_E_STATUS_SUCCESS) && data) { wl_bssload_t *bssload_report = (wl_bssload_t *)data; chan_use_percentage = (bssload_report->chan_util * 100) / 255; WL_DBG(("ChannelUtilization=%hhu\n", chan_use_percentage)); err = nla_put_u8(skb, CU_ATTR_PERCENTAGE, chan_use_percentage); if (err < 0) { WL_ERR(("Failed to put CU_ATTR_PERCENTAGE, err:%d\n", err)); } } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) cfg80211_vendor_event(skb, kflags); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */ return err; } #define WL_CHAN_UTIL_DEFAULT_INTERVAL 3000 #define WL_CHAN_UTIL_THRESH_MIN 15 #define WL_CHAN_UTIL_THRESH_INTERVAL 10 #ifndef CUSTOM_CU_INTERVAL #define CUSTOM_CU_INTERVAL WL_CHAN_UTIL_DEFAULT_INTERVAL #endif /* CUSTOM_CU_INTERVAL */ static s32 wl_cfg80211_start_bssload_report(struct net_device *ndev) { s32 err = BCME_OK; wl_bssload_cfg_t blcfg; u8 i; struct bcm_cfg80211 *cfg; if (!ndev) { return -ENODEV; } cfg = wl_get_cfg(ndev); if (!cfg) { return -ENODEV; } /* Typecasting to void as the buffer size is same as the memset size */ (void)memset_s(&blcfg, sizeof(wl_bssload_cfg_t), 0, sizeof(wl_bssload_cfg_t)); /* Set default report interval 3 sec and 8 threshhold levels between 15 to 85% */ blcfg.rate_limit_msec = CUSTOM_CU_INTERVAL; blcfg.num_util_levels = MAX_BSSLOAD_LEVELS; for (i = 0; i < MAX_BSSLOAD_LEVELS; i++) { blcfg.util_levels[i] = (((WL_CHAN_UTIL_THRESH_MIN + (i * WL_CHAN_UTIL_THRESH_INTERVAL)) * 255) / 100); } err = wldev_iovar_setbuf(ndev, "bssload_report_event", &blcfg, sizeof(wl_bssload_cfg_t), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("Set event_msgs error (%d)\n", err)); } return err; } #endif /* WL_CHAN_UTIL */ s32 wl_cfg80211_config_suspend_events(struct net_device *ndev, bool enable) { s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; s8 eventmask[WL_EVENTING_MASK_LEN]; s32 err = 0; struct bcm_cfg80211 *cfg; if (!ndev) { return -ENODEV; } cfg = wl_get_cfg(ndev); if (!cfg) { return -ENODEV; } mutex_lock(&cfg->event_sync); err = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL); if (unlikely(err)) { WL_ERR(("Get event_msgs error (%d)\n", err)); goto eventmsg_out; } (void)memcpy_s(eventmask, WL_EVENTING_MASK_LEN, iovbuf, WL_EVENTING_MASK_LEN); /* Add set/clear of event mask under feature specific flags */ if (enable) { WL_DBG(("%s: Enabling events on resume\n", __FUNCTION__)); #ifdef WL_CHAN_UTIL setbit(eventmask, WLC_E_BSS_LOAD); #endif /* WL_CHAN_UTIL */ } else { WL_DBG(("%s: Disabling events before suspend\n", __FUNCTION__)); #ifdef WL_CHAN_UTIL clrbit(eventmask, WLC_E_BSS_LOAD); #endif /* WL_CHAN_UTIL */ } err = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf), NULL); if (unlikely(err)) { WL_ERR(("Set event_msgs error (%d)\n", err)); goto eventmsg_out; } eventmsg_out: mutex_unlock(&cfg->event_sync); return err; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) int wl_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_csa_settings *params) { s32 err = BCME_OK; s32 chan = 0; u32 band = 0; u32 bw = WL_CHANSPEC_BW_20; chanspec_t chspec = 0; wl_chan_switch_t csa_arg; struct cfg80211_chan_def *chandef = ¶ms->chandef; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg); dev = ndev_to_wlc_ndev(dev, cfg); chan = ieee80211_frequency_to_channel(chandef->chan->center_freq); band = chandef->chan->band; WL_ERR(("netdev_ifidx(%d), target channel(%d) target bandwidth(%d)," " mode(%d), count(%d)\n", dev->ifindex, chan, chandef->width, params->block_tx, params->count)); if (wl_get_mode_by_netdev(cfg, dev) != WL_MODE_AP) { WL_ERR(("Channel Switch doesn't support on " "the non-SoftAP mode\n")); return -EINVAL; } /* Check if STA is trying to associate with an AP */ if (wl_get_drv_status(cfg, CONNECTING, primary_dev)) { WL_ERR(("Connecting is in progress\n")); return BCME_BUSY; } if (chan == cfg->ap_oper_channel) { WL_ERR(("Channel %d is same as current operating channel," " so skip\n", chan)); return BCME_OK; } if (band == IEEE80211_BAND_5GHZ) { #ifdef APSTA_RESTRICTED_CHANNEL if (chan != DEFAULT_5G_SOFTAP_CHANNEL) { WL_ERR(("Invalid 5G Channel, chan=%d\n", chan)); return -EINVAL; } #endif /* APSTA_RESTRICTED_CHANNEL */ err = wl_get_bandwidth_cap(primary_dev, band, &bw); if (err < 0) { WL_ERR(("Failed to get bandwidth information," " err=%d\n", err)); return err; } } else if (band == IEEE80211_BAND_2GHZ) { #ifdef APSTA_RESTRICTED_CHANNEL dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); u32 *sta_chan = (u32 *)wl_read_prof(cfg, primary_dev, WL_PROF_CHAN); /* In 2GHz STA/SoftAP concurrent mode, the operating channel * of STA and SoftAP should be confgiured to the same 2GHz * channel. Otherwise, it is an invalid configuration. */ if (DHD_OPMODE_STA_SOFTAP_CONCURR(dhdp) && wl_get_drv_status(cfg, CONNECTED, primary_dev) && sta_chan && (*sta_chan != chan)) { WL_ERR(("Invalid 2G Channel in case of STA/SoftAP" " concurrent mode, sta_chan=%d, chan=%d\n", *sta_chan, chan)); return -EINVAL; } #endif /* APSTA_RESTRICTED_CHANNEL */ bw = WL_CHANSPEC_BW_20; } else { WL_ERR(("invalid band (%d)\n", band)); return -EINVAL; } chspec = wf_channel2chspec(chan, bw); if (!wf_chspec_valid(chspec)) { WL_ERR(("Invalid chanspec 0x%x\n", chspec)); return -EINVAL; } /* Send CSA to associated STAs */ memset(&csa_arg, 0, sizeof(wl_chan_switch_t)); csa_arg.mode = params->block_tx; csa_arg.count = params->count; csa_arg.chspec = chspec; csa_arg.frame_type = CSA_BROADCAST_ACTION_FRAME; csa_arg.reg = 0; err = wldev_iovar_setbuf(dev, "csa", &csa_arg, sizeof(wl_chan_switch_t), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("Failed to switch channel, err=%d\n", err)); } return err; } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) */ #ifdef WL_WIPSEVT int wl_cfg80211_wips_event_ext(wl_wips_event_info_t *wips_event) { s32 err = BCME_OK; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) struct sk_buff *skb; gfp_t kflags; struct bcm_cfg80211 *cfg; struct net_device *ndev; struct wiphy *wiphy; cfg = wl_cfg80211_get_bcmcfg(); if (!cfg || !cfg->wdev) { WL_ERR(("WIPS evt invalid arg\n")); return err; } ndev = bcmcfg_to_prmry_ndev(cfg); wiphy = bcmcfg_to_wiphy(cfg); kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; skb = CFG80211_VENDOR_EVENT_ALLOC(wiphy, ndev_to_wdev(ndev), BRCM_VENDOR_WIPS_EVENT_BUF_LEN, BRCM_VENDOR_EVENT_WIPS, kflags); if (!skb) { WL_ERR(("skb alloc failed")); return BCME_NOMEM; } err = nla_put_u16(skb, WIPS_ATTR_DEAUTH_CNT, wips_event->misdeauth); if (unlikely(err)) { WL_ERR(("nla_put_u16 WIPS_ATTR_DEAUTH_CNT failed\n")); goto fail; } err = nla_put(skb, WIPS_ATTR_DEAUTH_BSSID, ETHER_ADDR_LEN, &wips_event->bssid); if (unlikely(err)) { WL_ERR(("nla_put WIPS_ATTR_DEAUTH_BSSID failed\n")); goto fail; } err = nla_put_s16(skb, WIPS_ATTR_CURRENT_RSSI, wips_event->current_RSSI); if (unlikely(err)) { WL_ERR(("nla_put_u16 WIPS_ATTR_CURRENT_RSSI failed\n")); goto fail; } err = nla_put_s16(skb, WIPS_ATTR_DEAUTH_RSSI, wips_event->deauth_RSSI); if (unlikely(err)) { WL_ERR(("nla_put_u16 WIPS_ATTR_DEAUTH_RSSI failed\n")); goto fail; } cfg80211_vendor_event(skb, kflags); return err; fail: if (skb) { nlmsg_free(skb); } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */ return err; } int wl_cfg80211_wips_event(uint16 misdeauth, char* bssid) { s32 err = BCME_OK; wl_wips_event_info_t wips_event; wips_event.misdeauth = misdeauth; memcpy(&wips_event.bssid, bssid, ETHER_ADDR_LEN); wips_event.current_RSSI = 0; wips_event.deauth_RSSI = 0; err = wl_cfg80211_wips_event_ext(&wips_event); return err; } #endif /* WL_WIPSEVT */ bool wl_cfg80211_check_in_progress(struct net_device *dev) { /* TODO: Check for cfg status like scan in progress, * four way handshake, etc before entering Deep Sleep. */ return TRUE; } #ifdef SUPPORT_AP_SUSPEND void wl_set_ap_suspend_error_handler(struct net_device *ndev, bool suspend) { struct bcm_cfg80211 *cfg = wl_get_cfg(ndev); dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); if (wl_get_drv_status(cfg, READY, ndev)) { /* IF dongle is down due to previous hang or other conditions, sending * one more hang notification is not needed. */ if (dhd_query_bus_erros(dhdp)) { return; } dhdp->iface_op_failed = TRUE; #if defined(DHD_FW_COREDUMP) if (dhdp->memdump_enabled) { dhdp->memdump_type = DUMP_TYPE_IFACE_OP_FAILURE; dhd_bus_mem_dump(dhdp); } #endif /* DHD_FW_COREDUMP */ WL_ERR(("Notify hang event to upper layer \n")); dhdp->hang_reason = suspend ? HANG_REASON_BSS_DOWN_FAILURE : HANG_REASON_BSS_UP_FAILURE; net_os_send_hang_message(ndev); } } #define MAX_AP_RESUME_TIME 5000 int wl_set_ap_suspend(struct net_device *dev, bool suspend, char *ifname) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp; struct net_device *ndev = NULL; int ret = BCME_OK; bool is_bssup = FALSE; int bssidx; unsigned long start_j; int time_to_sleep = MAX_AP_RESUME_TIME; dhdp = (dhd_pub_t *)(cfg->pub); if (!dhdp) { return BCME_NOTUP; } if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { WL_ERR(("Not Hostapd mode\n")); return BCME_NOTAP; } ndev = wl_get_ap_netdev(cfg, ifname); if (ndev == NULL) { WL_ERR(("No softAP interface named %s\n", ifname)); return BCME_NOTAP; } if ((bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr)) < 0) { WL_ERR(("Find p2p index from wdev(%p) failed\n", ndev->ieee80211_ptr)); return BCME_NOTFOUND; } is_bssup = wl_cfg80211_bss_isup(ndev, bssidx); if (is_bssup && suspend) { wl_clr_drv_status(cfg, AP_CREATED, ndev); wl_clr_drv_status(cfg, CONNECTED, ndev); if ((ret = wl_cfg80211_bss_up(cfg, ndev, bssidx, 0)) < 0) { WL_ERR(("AP suspend error %d, suspend %d\n", ret, suspend)); ret = BCME_NOTDOWN; goto exit; } } else if (!is_bssup && !suspend) { /* Abort scan before starting AP again */ wl_cfg80211_scan_abort(cfg); if ((ret = wl_cfg80211_bss_up(cfg, ndev, bssidx, 1)) < 0) { WL_ERR(("AP resume error %d, suspend %d\n", ret, suspend)); ret = BCME_NOTUP; goto exit; } while (TRUE) { start_j = get_jiffies_64(); /* Wait for Linkup event to mark successful AP bring up */ ret = wait_event_interruptible_timeout(cfg->netif_change_event, wl_get_drv_status(cfg, AP_CREATED, ndev), msecs_to_jiffies(time_to_sleep)); if (ret == -ERESTARTSYS) { WL_ERR(("waitqueue was interrupted by a signal\n")); time_to_sleep -= jiffies_to_msecs(get_jiffies_64() - start_j); if (time_to_sleep <= 0) { WL_ERR(("time to sleep hits 0\n")); ret = BCME_NOTUP; goto exit; } } else if (ret == 0 || !wl_get_drv_status(cfg, AP_CREATED, ndev)) { WL_ERR(("AP resume failed!\n")); ret = BCME_NOTUP; goto exit; } else { wl_set_drv_status(cfg, CONNECTED, ndev); ret = BCME_OK; break; } } } else { /* bssup + resume or bssdown + suspend, * So, returns OK */ ret = BCME_OK; } exit: if (ret != BCME_OK) wl_set_ap_suspend_error_handler(bcmcfg_to_prmry_ndev(cfg), suspend); return ret; } #endif /* SUPPORT_AP_SUSPEND */ #ifdef SUPPORT_SOFTAP_ELNA_BYPASS int wl_set_softap_elna_bypass(struct net_device *dev, char *ifname, int enable) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); struct net_device *ifdev = NULL; char iobuf[WLC_IOCTL_SMLEN]; int err = BCME_OK; int iftype = 0; memset(iobuf, 0, WLC_IOCTL_SMLEN); /* Check the interface type */ ifdev = wl_get_netdev_by_name(cfg, ifname); if (ifdev == NULL) { WL_ERR(("%s: Could not find net_device for ifname:%s\n", __FUNCTION__, ifname)); err = BCME_BADARG; goto fail; } iftype = ifdev->ieee80211_ptr->iftype; if (iftype == NL80211_IFTYPE_AP) { err = wldev_iovar_setint(ifdev, "softap_elnabypass", enable); if (unlikely(err)) { WL_ERR(("%s: Failed to set softap_elnabypass, err=%d\n", __FUNCTION__, err)); } } else { WL_ERR(("%s: softap_elnabypass should control in SoftAP mode only\n", __FUNCTION__)); err = BCME_BADARG; } fail: return err; } int wl_get_softap_elna_bypass(struct net_device *dev, char *ifname, void *param) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); int *enable = (int*)param; struct net_device *ifdev = NULL; char iobuf[WLC_IOCTL_SMLEN]; int err = BCME_OK; int iftype = 0; memset(iobuf, 0, WLC_IOCTL_SMLEN); /* Check the interface type */ ifdev = wl_get_netdev_by_name(cfg, ifname); if (ifdev == NULL) { WL_ERR(("%s: Could not find net_device for ifname:%s\n", __FUNCTION__, ifname)); err = BCME_BADARG; goto fail; } iftype = ifdev->ieee80211_ptr->iftype; if (iftype == NL80211_IFTYPE_AP) { err = wldev_iovar_getint(ifdev, "softap_elnabypass", enable); if (unlikely(err)) { WL_ERR(("%s: Failed to get softap_elnabypass, err=%d\n", __FUNCTION__, err)); } } else { WL_ERR(("%s: softap_elnabypass should control in SoftAP mode only\n", __FUNCTION__)); err = BCME_BADARG; } fail: return err; } #endif /* SUPPORT_SOFTAP_ELNA_BYPASS */ #ifdef SUPPORT_AP_BWCTRL #define OPER_MODE_ENABLE (1 << 8) static int op2bw[] = {20, 40, 80, 160}; static int wl_get_ap_he_mode(struct net_device *ndev, struct bcm_cfg80211 *cfg, bool *he) { bcm_xtlv_t read_he_xtlv; int ret = 0; u8 he_enab = 0; u32 he_feature = 0; *he = FALSE; /* Check he enab first */ read_he_xtlv.id = WL_HE_CMD_ENAB; read_he_xtlv.len = 0; ret = wldev_iovar_getbuf(ndev, "he", &read_he_xtlv, sizeof(read_he_xtlv), cfg->ioctl_buf, WLC_IOCTL_SMLEN, NULL); if (ret < 0) { if (ret == BCME_UNSUPPORTED) { /* HE not supported */ ret = BCME_OK; } else { WL_ERR(("HE ENAB get failed. ret=%d\n", ret)); } goto exit; } else { he_enab = *(u8*)cfg->ioctl_buf; } if (!he_enab) { goto exit; } /* Then check BIT3 of he features */ read_he_xtlv.id = WL_HE_CMD_FEATURES; read_he_xtlv.len = 0; ret = wldev_iovar_getbuf(ndev, "he", &read_he_xtlv, sizeof(read_he_xtlv), cfg->ioctl_buf, WLC_IOCTL_SMLEN, NULL); if (ret < 0) { WL_ERR(("HE FEATURE get failed. error=%d\n", ret)); goto exit; } else { he_feature = *(int*)cfg->ioctl_buf; he_feature = dtoh32(he_feature); } if (he_feature & WL_HE_FEATURES_HE_AP) { WL_DBG(("HE is enabled in AP\n")); *he = TRUE; } exit: return ret; } static void wl_update_apchan_bwcap(struct bcm_cfg80211 *cfg, struct net_device *ndev, chanspec_t chanspec) { struct net_device *dev = bcmcfg_to_prmry_ndev(cfg); struct wireless_dev *wdev = ndev_to_wdev(dev); struct wiphy *wiphy = wdev->wiphy; int ret = BCME_OK; u32 bw_cap; u32 ctl_chan; chanspec_t chanbw = WL_CHANSPEC_BW_20; /* Update channel in profile */ ctl_chan = wf_chspec_ctlchan(chanspec); wl_update_prof(cfg, ndev, NULL, &ctl_chan, WL_PROF_CHAN); /* BW cap is only updated in 5GHz */ if (ctl_chan <= CH_MAX_2G_CHANNEL) return; /* Get WL BW CAP */ ret = wl_get_bandwidth_cap(bcmcfg_to_prmry_ndev(cfg), IEEE80211_BAND_5GHZ, &bw_cap); if (ret < 0) { WL_ERR(("get bw_cap failed = %d\n", ret)); goto exit; } chanbw = CHSPEC_BW(channel_to_chanspec(wiphy, ndev, wf_chspec_ctlchan(chanspec), bw_cap)); exit: cfg->bw_cap_5g = bw2cap[chanbw >> WL_CHANSPEC_BW_SHIFT]; WL_INFORM_MEM(("supported bw cap is:0x%x\n", cfg->bw_cap_5g)); } int wl_rxchain_to_opmode_nss(int rxchain) { /* * Nss 1 -> 0, Nss 2 -> 1 * This is from operating mode field * in 8.4.1.50 of 802.11ac-2013 */ /* TODO : Nss 3 ? */ if (rxchain == 3) return (1 << 4); else return 0; } int wl_update_opmode(struct net_device *ndev, u32 bw) { int ret = BCME_OK; int oper_mode; int rxchain; ret = wldev_iovar_getint(ndev, "rxchain", (s32 *)&rxchain); if (ret < 0) { WL_ERR(("get rxchain failed = %d\n", ret)); goto exit; } oper_mode = bw; oper_mode |= wl_rxchain_to_opmode_nss(rxchain); /* Enable flag */ oper_mode |= OPER_MODE_ENABLE; ret = wldev_iovar_setint(ndev, "oper_mode", oper_mode); if (ret < 0) { WL_ERR(("set oper_mode failed = %d\n", ret)); goto exit; } exit: return ret; } int wl_set_ap_bw(struct net_device *dev, u32 bw, char *ifname) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp; struct net_device *ndev = NULL; int ret = BCME_OK; u32 *channel; bool he; dhdp = (dhd_pub_t *)(cfg->pub); if (!dhdp) { return BCME_NOTUP; } if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { WL_ERR(("Not Hostapd mode\n")); return BCME_NOTAP; } ndev = wl_get_ap_netdev(cfg, ifname); if (ndev == NULL) { WL_ERR(("No softAP interface named %s\n", ifname)); return BCME_NOTAP; } if (bw > DOT11_OPER_MODE_160MHZ) { WL_ERR(("BW is too big %d\n", bw)); return BCME_BADARG; } channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN); if (*channel <= CH_MAX_2G_CHANNEL) { WL_ERR(("current channel is %d, not supported\n", *channel)); ret = BCME_BADCHAN; goto exit; } if ((DHD_OPMODE_STA_SOFTAP_CONCURR(dhdp) && wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) || cfg->nan_enable) { WL_ERR(("BW control in concurrent mode is not supported\n")); return BCME_BUSY; } /* When SCAN is on going either in STA or in AP, return BUSY */ if (wl_get_drv_status_all(cfg, SCANNING)) { WL_ERR(("STA is SCANNING, not support BW control\n")); return BCME_BUSY; } /* When SCANABORT is on going either in STA or in AP, return BUSY */ if (wl_get_drv_status_all(cfg, SCAN_ABORTING)) { WL_ERR(("STA is SCAN_ABORTING, not support BW control\n")); return BCME_BUSY; } /* When CONNECTION is on going in STA, return BUSY */ if (wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) { WL_ERR(("STA is CONNECTING, not support BW control\n")); return BCME_BUSY; } /* BW control in AX mode needs more verification */ ret = wl_get_ap_he_mode(ndev, cfg, &he); if (ret == BCME_OK && he) { WL_ERR(("BW control in HE mode is not supported\n")); return BCME_UNSUPPORTED; } if (ret < 0) { WL_ERR(("Check AX mode is failed\n")); goto exit; } if ((!WL_BW_CAP_160MHZ(cfg->bw_cap_5g) && (bw == DOT11_OPER_MODE_160MHZ)) || (!WL_BW_CAP_80MHZ(cfg->bw_cap_5g) && (bw >= DOT11_OPER_MODE_80MHZ)) || (!WL_BW_CAP_40MHZ(cfg->bw_cap_5g) && (bw >= DOT11_OPER_MODE_40MHZ)) || (!WL_BW_CAP_20MHZ(cfg->bw_cap_5g) && (bw >= DOT11_OPER_MODE_20MHZ))) { WL_ERR(("bw_cap %x does not support bw = %d\n", cfg->bw_cap_5g, bw)); ret = BCME_BADARG; goto exit; } WL_DBG(("Updating AP BW to %d\n", op2bw[bw])); ret = wl_update_opmode(ndev, bw); if (ret < 0) { WL_ERR(("opmode set failed = %d\n", ret)); goto exit; } exit: return ret; } int wl_get_ap_bw(struct net_device *dev, char* command, char *ifname, int total_len) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); dhd_pub_t *dhdp; struct net_device *ndev = NULL; int ret = BCME_OK; u32 chanspec = 0; u32 bw = DOT11_OPER_MODE_20MHZ; int bytes_written = 0; dhdp = (dhd_pub_t *)(cfg->pub); if (!dhdp) { return BCME_NOTUP; } if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { WL_ERR(("Not Hostapd mode\n")); return BCME_NOTAP; } ndev = wl_get_ap_netdev(cfg, ifname); if (ndev == NULL) { WL_ERR(("No softAP interface named %s\n", ifname)); return BCME_NOTAP; } ret = wldev_iovar_getint(ndev, "chanspec", (s32 *)&chanspec); if (ret < 0) { WL_ERR(("get chanspec from AP failed = %d\n", ret)); goto exit; } chanspec = wl_chspec_driver_to_host(chanspec); if (CHSPEC_IS20(chanspec)) { bw = DOT11_OPER_MODE_20MHZ; } else if (CHSPEC_IS40(chanspec)) { bw = DOT11_OPER_MODE_40MHZ; } else if (CHSPEC_IS80(chanspec)) { bw = DOT11_OPER_MODE_80MHZ; } else if (CHSPEC_IS_BW_160_WIDE(chanspec)) { bw = DOT11_OPER_MODE_160MHZ; } else { WL_ERR(("chanspec error %x\n", chanspec)); ret = BCME_BADCHAN; goto exit; } bytes_written += snprintf(command + bytes_written, total_len, "bw=%d", bw); ret = bytes_written; exit: return ret; } static void wl_restore_ap_bw(struct bcm_cfg80211 *cfg) { int ret = BCME_OK; u32 bw; bool he = FALSE; struct net_info *iter, *next; struct net_device *ndev = NULL; u32 *channel; if (!cfg) { return; } GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); for_each_ndev(cfg, iter, next) { GCC_DIAGNOSTIC_POP(); if (iter->ndev) { if (iter->ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) { channel = (u32 *)wl_read_prof(cfg, iter->ndev, WL_PROF_CHAN); if (*channel > CH_MAX_2G_CHANNEL) { ndev = iter->ndev; break; } } } } if (!ndev) { return; } /* BW control in AX mode not allowed */ ret = wl_get_ap_he_mode(bcmcfg_to_prmry_ndev(cfg), cfg, &he); if (ret == BCME_OK && he) { return; } if (ret < 0) { WL_ERR(("Check AX mode is failed\n")); return; } if (WL_BW_CAP_160MHZ(cfg->bw_cap_5g)) { bw = DOT11_OPER_MODE_160MHZ; } else if (WL_BW_CAP_80MHZ(cfg->bw_cap_5g)) { bw = DOT11_OPER_MODE_80MHZ; } else if (WL_BW_CAP_40MHZ(cfg->bw_cap_5g)) { bw = DOT11_OPER_MODE_40MHZ; } else { return; } WL_DBG(("Restoring AP BW to %d\n", op2bw[bw])); ret = wl_update_opmode(ndev, bw); if (ret < 0) { WL_ERR(("bw restore failed = %d\n", ret)); return; } } #endif /* SUPPORT_AP_BWCTRL */ s32 wl_cfg80211_autochannel(struct net_device *dev, char* command, int total_len) { struct bcm_cfg80211 *cfg = wl_get_cfg(dev); int ret = 0; int bytes_written = -1; sscanf(command, "%*s %d", &cfg->autochannel); if (cfg->autochannel == 0) { cfg->best_2g_ch = 0; cfg->best_5g_ch = 0; } else if (cfg->autochannel == 2) { bytes_written = snprintf(command, total_len, "2g=%d 5g=%d", cfg->best_2g_ch, cfg->best_5g_ch); WL_TRACE(("%s: command result is %s\n", __FUNCTION__, command)); ret = bytes_written; } return ret; } int wl_cfg80211_check_in4way(struct bcm_cfg80211 *cfg, struct net_device *dev, uint action, enum wl_ext_status status, void *context) { dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub); struct wl_security *sec; s32 bssidx = -1; int ret = 0, cur_eapol_status, ifidx; int max_wait_time, max_wait_cnt; int suppressed = 0; mutex_lock(&cfg->in4way_sync); action = action & dhdp->conf->in4way; WL_DBG(("status=%d, action=0x%x, in4way=0x%x\n", status, action, dhdp->conf->in4way)); cur_eapol_status = dhdp->conf->eapol_status; switch (status) { case WL_EXT_STATUS_SCAN: wldev_ioctl(dev, WLC_GET_SCANSUPPRESS, &suppressed, sizeof(int), false); if (suppressed) { WL_ERR(("scan suppressed\n")); ret = -EBUSY; break; } if (action & NO_SCAN_IN4WAY) { if (cfg->handshaking > 0 && cfg->handshaking <= 3) { WL_ERR(("return -EBUSY cnt %d\n", cfg->handshaking)); cfg->handshaking++; ret = -EBUSY; break; } } break; case WL_EXT_STATUS_DISCONNECTING: if (cur_eapol_status >= EAPOL_STATUS_4WAY_START && cur_eapol_status < EAPOL_STATUS_4WAY_DONE) { WL_ERR(("WPA failed at %d\n", cur_eapol_status)); dhdp->conf->eapol_status = EAPOL_STATUS_NONE; } else if (cur_eapol_status >= EAPOL_STATUS_WSC_START && cur_eapol_status < EAPOL_STATUS_WSC_DONE) { WL_ERR(("WPS failed at %d\n", cur_eapol_status)); dhdp->conf->eapol_status = EAPOL_STATUS_NONE; } if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) { if (cfg->handshaking) { if ((action & NO_BTC_IN4WAY) && cfg->btc_mode) { WL_TRACE(("status=%d, restore btc_mode %d\n", status, cfg->btc_mode)); wldev_iovar_setint(dev, "btc_mode", cfg->btc_mode); } cfg->handshaking = 0; } } if (action & WAIT_DISCONNECTED) { max_wait_time = 200; max_wait_cnt = 20; cfg->disconnected_jiffies = jiffies; while (!time_after(jiffies, cfg->disconnected_jiffies + msecs_to_jiffies(max_wait_time)) && max_wait_cnt) { WL_TRACE(("status=%d, max_wait_cnt=%d waiting...\n", status, max_wait_cnt)); mutex_unlock(&cfg->in4way_sync); OSL_SLEEP(50); mutex_lock(&cfg->in4way_sync); max_wait_cnt--; } wake_up_interruptible(&dhdp->conf->event_complete); } break; case WL_EXT_STATUS_CONNECTING: if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) { bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr); sec = wl_read_prof(cfg, dev, WL_PROF_SEC); if ((sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) && bssidx == 0) { dhdp->conf->eapol_status = EAPOL_STATUS_4WAY_START; cfg->handshaking = 1; if (action & NO_BTC_IN4WAY) { ret = wldev_iovar_getint(dev, "btc_mode", &cfg->btc_mode); if (!ret && cfg->btc_mode) { WL_TRACE(("status=%d, disable current btc_mode %d\n", status, cfg->btc_mode)); wldev_iovar_setint(dev, "btc_mode", 0); } } } } if (action & WAIT_DISCONNECTED) { max_wait_time = 200; max_wait_cnt = 10; while (!time_after(jiffies, cfg->disconnected_jiffies + msecs_to_jiffies(max_wait_time)) && max_wait_cnt) { WL_TRACE(("status=%d, max_wait_cnt=%d waiting...\n", status, max_wait_cnt)); mutex_unlock(&cfg->in4way_sync); OSL_SLEEP(50); mutex_lock(&cfg->in4way_sync); max_wait_cnt--; } wake_up_interruptible(&dhdp->conf->event_complete); } break; case WL_EXT_STATUS_CONNECTED: ifidx = dhd_net2idx(dhdp->info, dev); if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION && ifidx >= 0) { dhd_conf_set_wme(cfg->pub, ifidx, 0); wake_up_interruptible(&dhdp->conf->event_complete); } else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) { dhd_conf_set_mchan_bw(cfg->pub, WL_P2P_IF_CLIENT, -1); } break; case WL_EXT_STATUS_DISCONNECTED: if (cur_eapol_status >= EAPOL_STATUS_4WAY_START && cur_eapol_status < EAPOL_STATUS_4WAY_DONE) { WL_ERR(("WPA failed at %d\n", cur_eapol_status)); dhdp->conf->eapol_status = EAPOL_STATUS_NONE; } else if (cur_eapol_status >= EAPOL_STATUS_WSC_START && cur_eapol_status < EAPOL_STATUS_WSC_DONE) { WL_ERR(("WPS failed at %d\n", cur_eapol_status)); dhdp->conf->eapol_status = EAPOL_STATUS_NONE; } if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) { if (cfg->handshaking) { if ((action & NO_BTC_IN4WAY) && cfg->btc_mode) { WL_TRACE(("status=%d, restore btc_mode %d\n", status, cfg->btc_mode)); wldev_iovar_setint(dev, "btc_mode", cfg->btc_mode); } cfg->handshaking = 0; } } if (action & WAIT_DISCONNECTED) { cfg->disconnected_jiffies = jiffies; } wake_up_interruptible(&dhdp->conf->event_complete); break; case WL_EXT_STATUS_ADD_KEY: dhdp->conf->eapol_status = EAPOL_STATUS_4WAY_DONE; if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) { if (cfg->handshaking) { if ((action & NO_BTC_IN4WAY) && cfg->btc_mode) { WL_TRACE(("status=%d, restore btc_mode %d\n", status, cfg->btc_mode)); wldev_iovar_setint(dev, "btc_mode", cfg->btc_mode); } cfg->handshaking = 0; } } wake_up_interruptible(&dhdp->conf->event_complete); break; case WL_EXT_STATUS_AP_ENABLED: ifidx = dhd_net2idx(dhdp->info, dev); if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP && ifidx >= 0) { dhd_conf_set_wme(cfg->pub, ifidx, 1); } else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) { dhd_conf_set_mchan_bw(cfg->pub, WL_P2P_IF_GO, -1); } break; case WL_EXT_STATUS_DELETE_STA: if ((action & DONT_DELETE_GC_AFTER_WPS) && (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO)) { u8* mac_addr = context; if (mac_addr && memcmp(ðer_bcast, mac_addr, ETHER_ADDR_LEN) && cur_eapol_status == EAPOL_STATUS_WSC_DONE) { u32 timeout; max_wait_time = 300; WL_TRACE(("status=%d, wps_done=%d, waiting %dms ...\n", status, cfg->wps_done, max_wait_time)); mutex_unlock(&cfg->in4way_sync); timeout = wait_event_interruptible_timeout(cfg->wps_done_event, cfg->wps_done, msecs_to_jiffies(max_wait_time)); mutex_lock(&cfg->in4way_sync); WL_TRACE(("status=%d, wps_done=%d, timeout=%d\n", status, cfg->wps_done, timeout)); if (timeout > 0) { ret = -1; break; } } else { WL_TRACE(("status=%d, wps_done=%d => 0\n", status, cfg->wps_done)); cfg->wps_done = FALSE; dhdp->conf->eapol_status = EAPOL_STATUS_NONE; } } break; case WL_EXT_STATUS_STA_DISCONNECTED: if ((action & DONT_DELETE_GC_AFTER_WPS) && (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) && cur_eapol_status == EAPOL_STATUS_WSC_DONE) { WL_TRACE(("status=%d, wps_done=%d => 0\n", status, cfg->wps_done)); cfg->wps_done = FALSE; } break; case WL_EXT_STATUS_STA_CONNECTED: if ((action & DONT_DELETE_GC_AFTER_WPS) && (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) && cur_eapol_status == EAPOL_STATUS_WSC_DONE) { WL_TRACE(("status=%d, wps_done=%d => 1\n", status, cfg->wps_done)); cfg->wps_done = TRUE; wake_up_interruptible(&cfg->wps_done_event); } break; default: WL_ERR(("Unknown action=0x%x, status=%d\n", action, status)); } mutex_unlock(&cfg->in4way_sync); return ret; }