/* * Broadcom Dongle Host Driver (DHD), Linux-specific network interface * Basically selected code segments from usb-cdc.c and usb-rndis.c * * 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: dhd_linux.c 822756 2019-05-30 13:20:26Z $ */ #include #include #include #include #ifdef SHOW_LOGTRACE #include #include #endif /* SHOW_LOGTRACE */ #if defined(PCIE_FULL_DONGLE) || defined(SHOW_LOGTRACE) #include #endif /* PCIE_FULL_DONGLE */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef ENABLE_ADAPTIVE_SCHED #include #endif /* ENABLE_ADAPTIVE_SCHED */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include <802.3.h> #include #include #include #include #ifdef DHD_WET #include #endif /* DHD_WET */ #ifdef PCIE_FULL_DONGLE #include #endif // endif #include #include #include #ifdef WL_ESCAN #include #endif #include #include #include #ifdef CONFIG_HAS_WAKELOCK #include #endif // endif #if defined(WL_CFG80211) #include #endif /* WL_CFG80211 */ #ifdef PNO_SUPPORT #include #endif // endif #ifdef RTT_SUPPORT #include #endif // endif #ifdef CSI_SUPPORT #include #endif /* CSI_SUPPORT */ #ifdef CONFIG_COMPAT #include #endif // endif #if defined(CONFIG_SOC_EXYNOS8895) || defined(CONFIG_SOC_EXYNOS9810) || \ defined(CONFIG_SOC_EXYNOS9820) #include #endif /* CONFIG_SOC_EXYNOS8895 || CONFIG_SOC_EXYNOS9810 || CONFIG_SOC_EXYNOS9820 */ #ifdef DHD_L2_FILTER #include #include #include #endif /* DHD_L2_FILTER */ #ifdef DHD_PSTA #include #endif /* DHD_PSTA */ #ifdef AMPDU_VO_ENABLE #include <802.1d.h> #endif /* AMPDU_VO_ENABLE */ #if defined(DHDTCPACK_SUPPRESS) || defined(DHDTCPSYNC_FLOOD_BLK) #include #endif /* DHDTCPACK_SUPPRESS || DHDTCPSYNC_FLOOD_BLK */ #include #ifdef DHD_4WAYM4_FAIL_DISCONNECT #include #endif /* DHD_4WAYM4_FAIL_DISCONNECT */ #ifdef DHD_DEBUG_PAGEALLOC typedef void (*page_corrupt_cb_t)(void *handle, void *addr_corrupt, size_t len); void dhd_page_corrupt_cb(void *handle, void *addr_corrupt, size_t len); extern void register_page_corrupt_cb(page_corrupt_cb_t cb, void* handle); #endif /* DHD_DEBUG_PAGEALLOC */ #define IP_PROT_RESERVED 0xFF #ifdef DHD_4WAYM4_FAIL_DISCONNECT static void dhd_m4_state_handler(struct work_struct * work); #endif /* DHD_4WAYM4_FAIL_DISCONNECT */ #ifdef DHDTCPSYNC_FLOOD_BLK static void dhd_blk_tsfl_handler(struct work_struct * work); #endif /* DHDTCPSYNC_FLOOD_BLK */ #ifdef WL_NATOE #include #endif /* WL_NATOE */ #if defined(SOFTAP) extern bool ap_cfg_running; extern bool ap_fw_loaded; #endif // endif #ifdef FIX_CPU_MIN_CLOCK #include #endif /* FIX_CPU_MIN_CLOCK */ #ifdef SET_RANDOM_MAC_SOFTAP #ifndef CONFIG_DHD_SET_RANDOM_MAC_VAL #define CONFIG_DHD_SET_RANDOM_MAC_VAL 0x001A11 #endif // endif static u32 vendor_oui = CONFIG_DHD_SET_RANDOM_MAC_VAL; #endif /* SET_RANDOM_MAC_SOFTAP */ #ifdef ENABLE_ADAPTIVE_SCHED #define DEFAULT_CPUFREQ_THRESH 1000000 /* threshold frequency : 1000000 = 1GHz */ #ifndef CUSTOM_CPUFREQ_THRESH #define CUSTOM_CPUFREQ_THRESH DEFAULT_CPUFREQ_THRESH #endif /* CUSTOM_CPUFREQ_THRESH */ #endif /* ENABLE_ADAPTIVE_SCHED */ /* enable HOSTIP cache update from the host side when an eth0:N is up */ #define AOE_IP_ALIAS_SUPPORT 1 #ifdef PROP_TXSTATUS #include #include #endif // endif #include /* Maximum STA per radio */ #define DHD_MAX_STA 32 const uint8 wme_fifo2ac[] = { 0, 1, 2, 3, 1, 1 }; const uint8 prio2fifo[8] = { 1, 0, 0, 1, 2, 2, 3, 3 }; #define WME_PRIO2AC(prio) wme_fifo2ac[prio2fifo[(prio)]] #ifdef ARP_OFFLOAD_SUPPORT void aoe_update_host_ipv4_table(dhd_pub_t *dhd_pub, u32 ipa, bool add, int idx); static int dhd_inetaddr_notifier_call(struct notifier_block *this, unsigned long event, void *ptr); static struct notifier_block dhd_inetaddr_notifier = { .notifier_call = dhd_inetaddr_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 dhd_inetaddr_notifier_registered = FALSE; #endif /* ARP_OFFLOAD_SUPPORT */ #if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) int dhd_inet6addr_notifier_call(struct notifier_block *this, unsigned long event, void *ptr); static struct notifier_block dhd_inet6addr_notifier = { .notifier_call = dhd_inet6addr_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 dhd_inet6addr_notifier_registered = FALSE; #endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ #if defined(CONFIG_PM_SLEEP) #include volatile bool dhd_mmc_suspend = FALSE; DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait); #endif /* defined(CONFIG_PM_SLEEP) */ #if defined(OOB_INTR_ONLY) || defined(BCMSPI_ANDROID) || defined(FORCE_WOWLAN) extern void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable); #endif /* defined(OOB_INTR_ONLY) || defined(BCMSPI_ANDROID) */ static void dhd_hang_process(struct work_struct *work_data); MODULE_LICENSE("GPL and additional rights"); #if defined(MULTIPLE_SUPPLICANT) #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) DEFINE_MUTEX(_dhd_mutex_lock_); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */ #endif static int dhd_suspend_resume_helper(struct dhd_info *dhd, int val, int force); #ifdef CONFIG_BCM_DETECT_CONSECUTIVE_HANG #define MAX_CONSECUTIVE_HANG_COUNTS 5 #endif /* CONFIG_BCM_DETECT_CONSECUTIVE_HANG */ #include #ifdef DHD_ULP #include #endif /* DHD_ULP */ #ifndef PROP_TXSTATUS #define DBUS_RX_BUFFER_SIZE_DHD(net) (net->mtu + net->hard_header_len + dhd->pub.hdrlen) #else #define DBUS_RX_BUFFER_SIZE_DHD(net) (net->mtu + net->hard_header_len + dhd->pub.hdrlen + 128) #endif // endif #ifdef PROP_TXSTATUS extern bool dhd_wlfc_skip_fc(void * dhdp, uint8 idx); extern void dhd_wlfc_plat_init(void *dhd); extern void dhd_wlfc_plat_deinit(void *dhd); #endif /* PROP_TXSTATUS */ #ifdef USE_DYNAMIC_F2_BLKSIZE extern uint sd_f2_blocksize; extern int dhdsdio_func_blocksize(dhd_pub_t *dhd, int function_num, int block_size); #endif /* USE_DYNAMIC_F2_BLKSIZE */ /* Linux wireless extension support */ #if defined(WL_WIRELESS_EXT) #include extern wl_iw_extra_params_t g_wl_iw_params; #endif /* defined(WL_WIRELESS_EXT) */ #ifdef CONFIG_PARTIALSUSPEND_SLP #include #define CONFIG_HAS_EARLYSUSPEND #define DHD_USE_EARLYSUSPEND #define register_early_suspend register_pre_suspend #define unregister_early_suspend unregister_pre_suspend #define early_suspend pre_suspend #define EARLY_SUSPEND_LEVEL_BLANK_SCREEN 50 #else #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) #include #endif /* defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) */ #endif /* CONFIG_PARTIALSUSPEND_SLP */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) #include #endif /* OEM_ANDROID && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) */ #if defined(PKT_FILTER_SUPPORT) && defined(APF) static int __dhd_apf_add_filter(struct net_device *ndev, uint32 filter_id, u8* program, uint32 program_len); static int __dhd_apf_config_filter(struct net_device *ndev, uint32 filter_id, uint32 mode, uint32 enable); static int __dhd_apf_delete_filter(struct net_device *ndev, uint32 filter_id); #endif /* PKT_FILTER_SUPPORT && APF */ #if defined(WL_CFG80211) && defined(DHD_FILE_DUMP_EVENT) && defined(DHD_FW_COREDUMP) static int dhd_wait_for_file_dump(dhd_pub_t *dhdp); #endif /* WL_CFG80211 && DHD_FILE_DUMP_EVENT && DHD_FW_COREDUMP */ #if defined(ARGOS_NOTIFY_CB) /* ARGOS notifer data */ static struct notifier_block argos_wifi; /* STA */ static struct notifier_block argos_p2p; /* P2P */ argos_rps_ctrl argos_rps_ctrl_data; #endif // endif #ifdef DHD_FW_COREDUMP static int dhd_mem_dump(void *dhd_info, void *event_info, u8 event); #endif /* DHD_FW_COREDUMP */ #ifdef DHD_LOG_DUMP struct dhd_log_dump_buf g_dld_buf[DLD_BUFFER_NUM]; /* Only header for log dump buffers is stored in array * header for sections like 'dhd dump', 'ext trap' * etc, is not in the array, because they are not log * ring buffers */ dld_hdr_t dld_hdrs[DLD_BUFFER_NUM] = { {GENERAL_LOG_HDR, LOG_DUMP_SECTION_GENERAL}, {PRESERVE_LOG_HDR, LOG_DUMP_SECTION_PRESERVE}, {SPECIAL_LOG_HDR, LOG_DUMP_SECTION_SPECIAL} }; static int dld_buf_size[DLD_BUFFER_NUM] = { LOG_DUMP_GENERAL_MAX_BUFSIZE, /* DLD_BUF_TYPE_GENERAL */ LOG_DUMP_PRESERVE_MAX_BUFSIZE, /* DLD_BUF_TYPE_PRESERVE */ LOG_DUMP_SPECIAL_MAX_BUFSIZE, /* DLD_BUF_TYPE_SPECIAL */ }; static void dhd_log_dump_init(dhd_pub_t *dhd); static void dhd_log_dump_deinit(dhd_pub_t *dhd); static void dhd_log_dump(void *handle, void *event_info, u8 event); static int do_dhd_log_dump(dhd_pub_t *dhdp, log_dump_type_t *type); static int dhd_log_flush(dhd_pub_t *dhdp, log_dump_type_t *type); static void dhd_get_time_str(dhd_pub_t *dhdp, char *time_str, int size); void dhd_get_debug_dump_len(void *handle, struct sk_buff *skb, void *event_info, u8 event); void cfgvendor_log_dump_len(dhd_pub_t *dhdp, log_dump_type_t *type, struct sk_buff *skb); static void dhd_print_buf_addr(dhd_pub_t *dhdp, char *name, void *buf, unsigned int size); static void dhd_log_dump_buf_addr(dhd_pub_t *dhdp, log_dump_type_t *type); #endif /* DHD_LOG_DUMP */ #ifdef DHD_PCIE_NATIVE_RUNTIMEPM #include #include #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ #ifdef DHD_DEBUG_UART #include #define DHD_DEBUG_UART_EXEC_PATH "/system/bin/wldu" static void dhd_debug_uart_exec_rd(void *handle, void *event_info, u8 event); static void dhd_debug_uart_exec(dhd_pub_t *dhdp, char *cmd); #endif /* DHD_DEBUG_UART */ static int dhd_reboot_callback(struct notifier_block *this, unsigned long code, void *unused); static struct notifier_block dhd_reboot_notifier = { .notifier_call = dhd_reboot_callback, .priority = 1, }; #ifdef BCMPCIE static int is_reboot = 0; #endif /* BCMPCIE */ dhd_pub_t *g_dhd_pub = NULL; #if defined(BT_OVER_SDIO) #include "dhd_bt_interface.h" #endif /* defined (BT_OVER_SDIO) */ #ifdef WL_STATIC_IF bool dhd_is_static_ndev(dhd_pub_t *dhdp, struct net_device *ndev); #endif /* WL_STATIC_IF */ atomic_t exit_in_progress = ATOMIC_INIT(0); static void dhd_process_daemon_msg(struct sk_buff *skb); static void dhd_destroy_to_notifier_skt(void); static int dhd_create_to_notifier_skt(void); static struct sock *nl_to_event_sk = NULL; int sender_pid = 0; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) struct netlink_kernel_cfg dhd_netlink_cfg = { .groups = 1, .input = dhd_process_daemon_msg, }; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) */ #if defined(BT_OVER_SDIO) /* Flag to indicate if driver is initialized */ uint dhd_driver_init_done = TRUE; #else /* Flag to indicate if driver is initialized */ uint dhd_driver_init_done = FALSE; #endif // endif /* Flag to indicate if we should download firmware on driver load */ uint dhd_download_fw_on_driverload = TRUE; /* Definitions to provide path to the firmware and nvram * example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt" */ char firmware_path[MOD_PARAM_PATHLEN] = "/lib/firmware/ap6255/fw_bcm43455c0_ag_apsta.bin"; char nvram_path[MOD_PARAM_PATHLEN] = "/lib/firmware/ap6255/nvram_ap6255.txt"; char clm_path[MOD_PARAM_PATHLEN]; char config_path[MOD_PARAM_PATHLEN]; #ifdef DHD_UCODE_DOWNLOAD char ucode_path[MOD_PARAM_PATHLEN]; #endif /* DHD_UCODE_DOWNLOAD */ module_param_string(clm_path, clm_path, MOD_PARAM_PATHLEN, 0660); /* backup buffer for firmware and nvram path */ char fw_bak_path[MOD_PARAM_PATHLEN]; char nv_bak_path[MOD_PARAM_PATHLEN]; /* information string to keep firmware, chio, cheip version info visiable from log */ char info_string[MOD_PARAM_INFOLEN]; module_param_string(info_string, info_string, MOD_PARAM_INFOLEN, 0444); int op_mode = 0; int disable_proptx = 0; module_param(op_mode, int, 0644); extern int wl_control_wl_start(struct net_device *dev); #if defined(BCMLXSDMMC) || defined(BCMDBUS) struct semaphore dhd_registration_sem; #endif /* BCMXSDMMC */ #ifdef DHD_LOG_DUMP int logdump_max_filesize = LOG_DUMP_MAX_FILESIZE; module_param(logdump_max_filesize, int, 0644); int logdump_max_bufsize = LOG_DUMP_GENERAL_MAX_BUFSIZE; module_param(logdump_max_bufsize, int, 0644); int logdump_prsrv_tailsize = DHD_LOG_DUMP_MAX_TAIL_FLUSH_SIZE; int logdump_periodic_flush = FALSE; module_param(logdump_periodic_flush, int, 0644); #ifdef EWP_ECNTRS_LOGGING int logdump_ecntr_enable = TRUE; #else int logdump_ecntr_enable = FALSE; #endif /* EWP_ECNTRS_LOGGING */ module_param(logdump_ecntr_enable, int, 0644); #ifdef EWP_RTT_LOGGING int logdump_rtt_enable = TRUE; #else int logdump_rtt_enable = FALSE; #endif /* EWP_RTT_LOGGING */ module_param(logdump_rtt_enable, int, 0644); #endif /* DHD_LOG_DUMP */ #ifdef EWP_EDL int host_edl_support = TRUE; module_param(host_edl_support, int, 0644); #endif // endif /* deferred handlers */ static void dhd_ifadd_event_handler(void *handle, void *event_info, u8 event); static void dhd_ifdel_event_handler(void *handle, void *event_info, u8 event); static void dhd_set_mac_addr_handler(void *handle, void *event_info, u8 event); static void dhd_set_mcast_list_handler(void *handle, void *event_info, u8 event); #ifdef WL_NATOE static void dhd_natoe_ct_event_hanlder(void *handle, void *event_info, u8 event); static void dhd_natoe_ct_ioctl_handler(void *handle, void *event_info, uint8 event); #endif /* WL_NATOE */ #ifdef DHD_UPDATE_INTF_MAC static void dhd_ifupdate_event_handler(void *handle, void *event_info, u8 event); #endif /* DHD_UPDATE_INTF_MAC */ #if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) static void dhd_inet6_work_handler(void *dhd_info, void *event_data, u8 event); #endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ #ifdef WL_CFG80211 extern void dhd_netdev_free(struct net_device *ndev); #endif /* WL_CFG80211 */ static dhd_if_t * dhd_get_ifp_by_ndev(dhd_pub_t *dhdp, struct net_device *ndev); #if defined(WLDWDS) && defined(FOURADDR_AUTO_BRG) static void dhd_bridge_dev_set(dhd_info_t * dhd, int ifidx, struct net_device * dev); #endif /* defiend(WLDWDS) && defined(FOURADDR_AUTO_BRG) */ #if (defined(DHD_WET) || defined(DHD_MCAST_REGEN) || defined(DHD_L2_FILTER)) /* update rx_pkt_chainable state of dhd interface */ static void dhd_update_rx_pkt_chainable_state(dhd_pub_t* dhdp, uint32 idx); #endif /* DHD_WET || DHD_MCAST_REGEN || DHD_L2_FILTER */ /* Error bits */ module_param(dhd_msg_level, int, 0); #if defined(WL_WIRELESS_EXT) module_param(iw_msg_level, int, 0); #endif #ifdef WL_CFG80211 module_param(wl_dbg_level, int, 0); #endif module_param(android_msg_level, int, 0); module_param(config_msg_level, int, 0); #ifdef ARP_OFFLOAD_SUPPORT /* ARP offload enable */ uint dhd_arp_enable = TRUE; module_param(dhd_arp_enable, uint, 0); /* ARP offload agent mode : Enable ARP Host Auto-Reply and ARP Peer Auto-Reply */ #ifdef ENABLE_ARP_SNOOP_MODE uint dhd_arp_mode = (ARP_OL_AGENT | ARP_OL_PEER_AUTO_REPLY | ARP_OL_SNOOP | ARP_OL_HOST_AUTO_REPLY | ARP_OL_UPDATE_HOST_CACHE); #else uint dhd_arp_mode = ARP_OL_AGENT | ARP_OL_PEER_AUTO_REPLY | ARP_OL_UPDATE_HOST_CACHE; #endif /* ENABLE_ARP_SNOOP_MODE */ module_param(dhd_arp_mode, uint, 0); #endif /* ARP_OFFLOAD_SUPPORT */ /* Disable Prop tx */ module_param(disable_proptx, int, 0644); /* load firmware and/or nvram values from the filesystem */ module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0660); module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0660); module_param_string(config_path, config_path, MOD_PARAM_PATHLEN, 0); #ifdef DHD_UCODE_DOWNLOAD module_param_string(ucode_path, ucode_path, MOD_PARAM_PATHLEN, 0660); #endif /* DHD_UCODE_DOWNLOAD */ /* wl event forwarding */ #ifdef WL_EVENT_ENAB uint wl_event_enable = true; #else uint wl_event_enable = false; #endif /* WL_EVENT_ENAB */ module_param(wl_event_enable, uint, 0660); /* wl event forwarding */ #ifdef LOGTRACE_PKT_SENDUP uint logtrace_pkt_sendup = true; #else uint logtrace_pkt_sendup = false; #endif /* LOGTRACE_PKT_SENDUP */ module_param(logtrace_pkt_sendup, uint, 0660); /* Watchdog interval */ /* extend watchdog expiration to 2 seconds when DPC is running */ #define WATCHDOG_EXTEND_INTERVAL (2000) uint dhd_watchdog_ms = CUSTOM_DHD_WATCHDOG_MS; module_param(dhd_watchdog_ms, uint, 0); #if defined(DHD_DEBUG) /* Console poll interval */ uint dhd_console_ms = 0; module_param(dhd_console_ms, uint, 0644); #else uint dhd_console_ms = 0; #endif /* DHD_DEBUG */ uint dhd_slpauto = TRUE; module_param(dhd_slpauto, uint, 0); #ifdef PKT_FILTER_SUPPORT /* Global Pkt filter enable control */ uint dhd_pkt_filter_enable = TRUE; module_param(dhd_pkt_filter_enable, uint, 0); #endif // endif /* Pkt filter init setup */ uint dhd_pkt_filter_init = 0; module_param(dhd_pkt_filter_init, uint, 0); /* Pkt filter mode control */ #ifdef GAN_LITE_NAT_KEEPALIVE_FILTER uint dhd_master_mode = FALSE; #else uint dhd_master_mode = FALSE; #endif /* GAN_LITE_NAT_KEEPALIVE_FILTER */ module_param(dhd_master_mode, uint, 0); int dhd_watchdog_prio = 0; module_param(dhd_watchdog_prio, int, 0); /* DPC thread priority */ int dhd_dpc_prio = CUSTOM_DPC_PRIO_SETTING; module_param(dhd_dpc_prio, int, 0); /* RX frame thread priority */ int dhd_rxf_prio = CUSTOM_RXF_PRIO_SETTING; module_param(dhd_rxf_prio, int, 0); #if !defined(BCMDBUS) extern int dhd_dongle_ramsize; module_param(dhd_dongle_ramsize, int, 0); #endif /* !BCMDBUS */ #ifdef WL_CFG80211 int passive_channel_skip = 0; module_param(passive_channel_skip, int, (S_IRUSR|S_IWUSR)); #endif /* WL_CFG80211 */ #ifdef DHD_MSI_SUPPORT uint enable_msi = TRUE; module_param(enable_msi, uint, 0); #endif /* PCIE_FULL_DONGLE */ #ifdef DHD_SSSR_DUMP int dhdpcie_sssr_dump_get_before_after_len(dhd_pub_t *dhd, uint32 *arr_len); extern uint support_sssr_dump; module_param(support_sssr_dump, uint, 0); #endif /* DHD_SSSR_DUMP */ /* Keep track of number of instances */ static int dhd_found = 0; static int instance_base = 0; /* Starting instance number */ module_param(instance_base, int, 0644); #if defined(DHD_LB_RXP) static int dhd_napi_weight = 32; module_param(dhd_napi_weight, int, 0644); #endif /* DHD_LB_RXP */ #ifdef PCIE_FULL_DONGLE extern int h2d_max_txpost; module_param(h2d_max_txpost, int, 0644); extern uint dma_ring_indices; module_param(dma_ring_indices, uint, 0644); extern bool h2d_phase; module_param(h2d_phase, bool, 0644); extern bool force_trap_bad_h2d_phase; module_param(force_trap_bad_h2d_phase, bool, 0644); #endif /* PCIE_FULL_DONGLE */ #ifdef FORCE_TPOWERON /* * On Fire's reference platform, coming out of L1.2, * there is a constant delay of 45us between CLKREQ# and stable REFCLK * Due to this delay, with tPowerOn < 50 * there is a chance of the refclk sense to trigger on noise. * * 0x29 when written to L1SSControl2 translates to 50us. */ #define FORCE_TPOWERON_50US 0x29 uint32 tpoweron_scale = FORCE_TPOWERON_50US; /* default 50us */ module_param(tpoweron_scale, uint, 0644); #endif /* FORCE_TPOWERON */ #ifdef SHOW_LOGTRACE static char *logstrs_path = "/data/misc/wifi/logstrs.bin"; char *st_str_file_path = "/data/misc/wifi/rtecdc.bin"; static char *map_file_path = "/data/misc/wifi/rtecdc.map"; static char *rom_st_str_file_path = "/data/misc/wifi/roml.bin"; static char *rom_map_file_path = "/data/misc/wifi/roml.map"; static char *ram_file_str = "rtecdc"; static char *rom_file_str = "roml"; module_param(logstrs_path, charp, S_IRUGO); module_param(st_str_file_path, charp, S_IRUGO); module_param(map_file_path, charp, S_IRUGO); module_param(rom_st_str_file_path, charp, S_IRUGO); module_param(rom_map_file_path, charp, S_IRUGO); static int dhd_init_logstrs_array(osl_t *osh, dhd_event_log_t *temp); static int dhd_read_map(osl_t *osh, char *fname, uint32 *ramstart, uint32 *rodata_start, uint32 *rodata_end); static int dhd_init_static_strs_array(osl_t *osh, dhd_event_log_t *temp, char *str_file, char *map_file); #endif /* SHOW_LOGTRACE */ #ifdef USE_WFA_CERT_CONF int g_frameburst = 1; #endif /* USE_WFA_CERT_CONF */ static int dhd_get_pend_8021x_cnt(dhd_info_t *dhd); /* DHD Perimiter lock only used in router with bypass forwarding. */ #define DHD_PERIM_RADIO_INIT() do { /* noop */ } while (0) #define DHD_PERIM_LOCK_TRY(unit, flag) do { /* noop */ } while (0) #define DHD_PERIM_UNLOCK_TRY(unit, flag) do { /* noop */ } while (0) #ifdef PCIE_FULL_DONGLE #define DHD_IF_STA_LIST_LOCK_INIT(ifp) spin_lock_init(&(ifp)->sta_list_lock) #define DHD_IF_STA_LIST_LOCK(ifp, flags) \ spin_lock_irqsave(&(ifp)->sta_list_lock, (flags)) #define DHD_IF_STA_LIST_UNLOCK(ifp, flags) \ spin_unlock_irqrestore(&(ifp)->sta_list_lock, (flags)) #if defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) static struct list_head * dhd_sta_list_snapshot(dhd_info_t *dhd, dhd_if_t *ifp, struct list_head *snapshot_list); static void dhd_sta_list_snapshot_free(dhd_info_t *dhd, struct list_head *snapshot_list); #define DHD_IF_WMF_UCFORWARD_LOCK(dhd, ifp, slist) ({ dhd_sta_list_snapshot(dhd, ifp, slist); }) #define DHD_IF_WMF_UCFORWARD_UNLOCK(dhd, slist) ({ dhd_sta_list_snapshot_free(dhd, slist); }) #endif /* DHD_IGMP_UCQUERY || DHD_UCAST_UPNP */ #endif /* PCIE_FULL_DONGLE */ /* Control fw roaming */ #ifdef BCMCCX uint dhd_roam_disable = 0; #else uint dhd_roam_disable = 0; #endif /* BCMCCX */ #ifdef BCMDBGFS extern void dhd_dbgfs_init(dhd_pub_t *dhdp); extern void dhd_dbgfs_remove(void); #endif // endif static uint pcie_txs_metadata_enable = 0; /* Enable TX status metadta report */ module_param(pcie_txs_metadata_enable, int, 0); /* Control radio state */ uint dhd_radio_up = 1; /* Network inteface name */ char iface_name[IFNAMSIZ] = {'\0'}; module_param_string(iface_name, iface_name, IFNAMSIZ, 0); /* The following are specific to the SDIO dongle */ /* IOCTL response timeout */ int dhd_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT; /* DS Exit response timeout */ int ds_exit_timeout_msec = DS_EXIT_TIMEOUT; /* Idle timeout for backplane clock */ int dhd_idletime = DHD_IDLETIME_TICKS; module_param(dhd_idletime, int, 0); /* Use polling */ uint dhd_poll = FALSE; module_param(dhd_poll, uint, 0); /* Use interrupts */ uint dhd_intr = TRUE; module_param(dhd_intr, uint, 0); /* SDIO Drive Strength (in milliamps) */ uint dhd_sdiod_drive_strength = 6; module_param(dhd_sdiod_drive_strength, uint, 0); #ifdef BCMSDIO /* Tx/Rx bounds */ extern uint dhd_txbound; extern uint dhd_rxbound; module_param(dhd_txbound, uint, 0); module_param(dhd_rxbound, uint, 0); /* Deferred transmits */ extern uint dhd_deferred_tx; module_param(dhd_deferred_tx, uint, 0); #endif /* BCMSDIO */ #ifdef SDTEST /* Echo packet generator (pkts/s) */ uint dhd_pktgen = 0; module_param(dhd_pktgen, uint, 0); /* Echo packet len (0 => sawtooth, max 2040) */ uint dhd_pktgen_len = 0; module_param(dhd_pktgen_len, uint, 0); #endif /* SDTEST */ #if defined(BCMSUP_4WAY_HANDSHAKE) /* Use in dongle supplicant for 4-way handshake */ #if defined(WLFBT) || defined(WL_ENABLE_IDSUP) /* Enable idsup by default (if supported in fw) */ uint dhd_use_idsup = 1; #else uint dhd_use_idsup = 0; #endif /* WLFBT || WL_ENABLE_IDSUP */ module_param(dhd_use_idsup, uint, 0); #endif /* BCMSUP_4WAY_HANDSHAKE */ #ifndef BCMDBUS /* Allow delayed firmware download for debug purpose */ int allow_delay_fwdl = FALSE; module_param(allow_delay_fwdl, int, 0); #endif /* !BCMDBUS */ #ifdef ECOUNTER_PERIODIC_DISABLE uint enable_ecounter = FALSE; #else uint enable_ecounter = TRUE; #endif // endif module_param(enable_ecounter, uint, 0); /* TCM verification flag */ uint dhd_tcm_test_enable = FALSE; module_param(dhd_tcm_test_enable, uint, 0644); extern char dhd_version[]; extern char fw_version[]; extern char clm_version[]; int dhd_net_bus_devreset(struct net_device *dev, uint8 flag); static void dhd_net_if_lock_local(dhd_info_t *dhd); static void dhd_net_if_unlock_local(dhd_info_t *dhd); static void dhd_suspend_lock(dhd_pub_t *dhdp); static void dhd_suspend_unlock(dhd_pub_t *dhdp); /* Monitor interface */ int dhd_monitor_init(void *dhd_pub); int dhd_monitor_uninit(void); #ifdef DHD_PM_CONTROL_FROM_FILE bool g_pm_control; #ifdef DHD_EXPORT_CNTL_FILE int pmmode_val; #endif /* DHD_EXPORT_CNTL_FILE */ void sec_control_pm(dhd_pub_t *dhd, uint *); #endif /* DHD_PM_CONTROL_FROM_FILE */ #if defined(WL_WIRELESS_EXT) struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev); #endif /* defined(WL_WIRELESS_EXT) */ #ifndef BCMDBUS static void dhd_dpc(ulong data); #endif /* !BCMDBUS */ /* forward decl */ extern int dhd_wait_pend8021x(struct net_device *dev); void dhd_os_wd_timer_extend(void *bus, bool extend); #ifdef TOE #ifndef BDC #error TOE requires BDC #endif /* !BDC */ static int dhd_toe_get(dhd_info_t *dhd, int idx, uint32 *toe_ol); static int dhd_toe_set(dhd_info_t *dhd, int idx, uint32 toe_ol); #endif /* TOE */ static int dhd_wl_host_event(dhd_info_t *dhd, int ifidx, void *pktdata, uint16 pktlen, wl_event_msg_t *event_ptr, void **data_ptr); #if defined(CONFIG_PM_SLEEP) static int dhd_pm_callback(struct notifier_block *nfb, unsigned long action, void *ignored) { int ret = NOTIFY_DONE; bool suspend = FALSE; #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif dhd_info_t *dhdinfo = (dhd_info_t*)container_of(nfb, struct dhd_info, pm_notifier); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif BCM_REFERENCE(dhdinfo); BCM_REFERENCE(suspend); switch (action) { case PM_HIBERNATION_PREPARE: case PM_SUSPEND_PREPARE: suspend = TRUE; break; case PM_POST_HIBERNATION: case PM_POST_SUSPEND: suspend = FALSE; break; } printf("%s: action=%ld, suspend=%d, suspend_mode=%d\n", __FUNCTION__, action, suspend, dhdinfo->pub.conf->suspend_mode); if (suspend) { DHD_OS_WAKE_LOCK_WAIVE(&dhdinfo->pub); if (dhdinfo->pub.conf->suspend_mode == PM_NOTIFIER) dhd_suspend_resume_helper(dhdinfo, suspend, 0); #if defined(SUPPORT_P2P_GO_PS) && defined(PROP_TXSTATUS) dhd_wlfc_suspend(&dhdinfo->pub); #endif /* defined(SUPPORT_P2P_GO_PS) && defined(PROP_TXSTATUS) */ if (dhdinfo->pub.conf->suspend_mode == PM_NOTIFIER) dhd_conf_set_suspend_resume(&dhdinfo->pub, suspend); DHD_OS_WAKE_LOCK_RESTORE(&dhdinfo->pub); } else { if (dhdinfo->pub.conf->suspend_mode == PM_NOTIFIER) dhd_conf_set_suspend_resume(&dhdinfo->pub, suspend); #if defined(SUPPORT_P2P_GO_PS) && defined(PROP_TXSTATUS) dhd_wlfc_resume(&dhdinfo->pub); #endif /* defined(SUPPORT_P2P_GO_PS) && defined(PROP_TXSTATUS) */ if (dhdinfo->pub.conf->suspend_mode == PM_NOTIFIER) dhd_suspend_resume_helper(dhdinfo, suspend, 0); } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && (LINUX_VERSION_CODE <= \ KERNEL_VERSION(2, 6, 39)) dhd_mmc_suspend = suspend; smp_mb(); #endif return ret; } /* 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 dhd_pm_notifier_registered = FALSE; extern int register_pm_notifier(struct notifier_block *nb); extern int unregister_pm_notifier(struct notifier_block *nb); #endif /* CONFIG_PM_SLEEP */ /* Request scheduling of the bus rx frame */ static void dhd_sched_rxf(dhd_pub_t *dhdp, void *skb); static void dhd_os_rxflock(dhd_pub_t *pub); static void dhd_os_rxfunlock(dhd_pub_t *pub); #if defined(DHD_H2D_LOG_TIME_SYNC) static void dhd_deferred_work_rte_log_time_sync(void *handle, void *event_info, u8 event); #endif /* DHD_H2D_LOG_TIME_SYNC */ /** priv_link is the link between netdev and the dhdif and dhd_info structs. */ typedef struct dhd_dev_priv { dhd_info_t * dhd; /* cached pointer to dhd_info in netdevice priv */ dhd_if_t * ifp; /* cached pointer to dhd_if in netdevice priv */ int ifidx; /* interface index */ void * lkup; } dhd_dev_priv_t; #define DHD_DEV_PRIV_SIZE (sizeof(dhd_dev_priv_t)) #define DHD_DEV_PRIV(dev) ((dhd_dev_priv_t *)DEV_PRIV(dev)) #define DHD_DEV_INFO(dev) (((dhd_dev_priv_t *)DEV_PRIV(dev))->dhd) #define DHD_DEV_IFP(dev) (((dhd_dev_priv_t *)DEV_PRIV(dev))->ifp) #define DHD_DEV_IFIDX(dev) (((dhd_dev_priv_t *)DEV_PRIV(dev))->ifidx) #define DHD_DEV_LKUP(dev) (((dhd_dev_priv_t *)DEV_PRIV(dev))->lkup) /** Clear the dhd net_device's private structure. */ static inline void dhd_dev_priv_clear(struct net_device * dev) { dhd_dev_priv_t * dev_priv; ASSERT(dev != (struct net_device *)NULL); dev_priv = DHD_DEV_PRIV(dev); dev_priv->dhd = (dhd_info_t *)NULL; dev_priv->ifp = (dhd_if_t *)NULL; dev_priv->ifidx = DHD_BAD_IF; dev_priv->lkup = (void *)NULL; } /** Setup the dhd net_device's private structure. */ static inline void dhd_dev_priv_save(struct net_device * dev, dhd_info_t * dhd, dhd_if_t * ifp, int ifidx) { dhd_dev_priv_t * dev_priv; ASSERT(dev != (struct net_device *)NULL); dev_priv = DHD_DEV_PRIV(dev); dev_priv->dhd = dhd; dev_priv->ifp = ifp; dev_priv->ifidx = ifidx; } /* Return interface pointer */ struct dhd_if * dhd_get_ifp(dhd_pub_t *dhdp, uint32 ifidx) { ASSERT(ifidx < DHD_MAX_IFS); if (!dhdp || !dhdp->info || ifidx >= DHD_MAX_IFS) return NULL; return dhdp->info->iflist[ifidx]; } #ifdef PCIE_FULL_DONGLE /** Dummy objects are defined with state representing bad|down. * Performance gains from reducing branch conditionals, instruction parallelism, * dual issue, reducing load shadows, avail of larger pipelines. * Use DHD_XXX_NULL instead of (dhd_xxx_t *)NULL, whenever an object pointer * is accessed via the dhd_sta_t. */ /* Dummy dhd_info object */ dhd_info_t dhd_info_null = { .pub = { .info = &dhd_info_null, #ifdef DHDTCPACK_SUPPRESS .tcpack_sup_mode = TCPACK_SUP_REPLACE, #endif /* DHDTCPACK_SUPPRESS */ .up = FALSE, .busstate = DHD_BUS_DOWN } }; #define DHD_INFO_NULL (&dhd_info_null) #define DHD_PUB_NULL (&dhd_info_null.pub) /* Dummy netdevice object */ struct net_device dhd_net_dev_null = { .reg_state = NETREG_UNREGISTERED }; #define DHD_NET_DEV_NULL (&dhd_net_dev_null) /* Dummy dhd_if object */ dhd_if_t dhd_if_null = { #ifdef WMF .wmf = { .wmf_enable = TRUE }, #endif // endif .info = DHD_INFO_NULL, .net = DHD_NET_DEV_NULL, .idx = DHD_BAD_IF }; #define DHD_IF_NULL (&dhd_if_null) #define DHD_STA_NULL ((dhd_sta_t *)NULL) /** Interface STA list management. */ /** Alloc/Free a dhd_sta object from the dhd instances' sta_pool. */ static void dhd_sta_free(dhd_pub_t *pub, dhd_sta_t *sta); static dhd_sta_t * dhd_sta_alloc(dhd_pub_t * dhdp); /* Delete a dhd_sta or flush all dhd_sta in an interface's sta_list. */ static void dhd_if_del_sta_list(dhd_if_t * ifp); static void dhd_if_flush_sta(dhd_if_t * ifp); /* Construct/Destruct a sta pool. */ static int dhd_sta_pool_init(dhd_pub_t *dhdp, int max_sta); static void dhd_sta_pool_fini(dhd_pub_t *dhdp, int max_sta); /* Clear the pool of dhd_sta_t objects for built-in type driver */ static void dhd_sta_pool_clear(dhd_pub_t *dhdp, int max_sta); /** Reset a dhd_sta object and free into the dhd pool. */ static void dhd_sta_free(dhd_pub_t * dhdp, dhd_sta_t * sta) { int prio; ASSERT((sta != DHD_STA_NULL) && (sta->idx != ID16_INVALID)); ASSERT((dhdp->staid_allocator != NULL) && (dhdp->sta_pool != NULL)); /* * Flush and free all packets in all flowring's queues belonging to sta. * Packets in flow ring will be flushed later. */ for (prio = 0; prio < (int)NUMPRIO; prio++) { uint16 flowid = sta->flowid[prio]; if (flowid != FLOWID_INVALID) { unsigned long flags; flow_ring_node_t * flow_ring_node; #ifdef DHDTCPACK_SUPPRESS /* Clean tcp_ack_info_tbl in order to prevent access to flushed pkt, * when there is a newly coming packet from network stack. */ dhd_tcpack_info_tbl_clean(dhdp); #endif /* DHDTCPACK_SUPPRESS */ flow_ring_node = dhd_flow_ring_node(dhdp, flowid); if (flow_ring_node) { flow_queue_t *queue = &flow_ring_node->queue; DHD_FLOWRING_LOCK(flow_ring_node->lock, flags); flow_ring_node->status = FLOW_RING_STATUS_STA_FREEING; if (!DHD_FLOW_QUEUE_EMPTY(queue)) { void * pkt; while ((pkt = dhd_flow_queue_dequeue(dhdp, queue)) != NULL) { PKTFREE(dhdp->osh, pkt, TRUE); } } DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags); ASSERT(DHD_FLOW_QUEUE_EMPTY(queue)); } } sta->flowid[prio] = FLOWID_INVALID; } id16_map_free(dhdp->staid_allocator, sta->idx); DHD_CUMM_CTR_INIT(&sta->cumm_ctr); sta->ifp = DHD_IF_NULL; /* dummy dhd_if object */ sta->ifidx = DHD_BAD_IF; bzero(sta->ea.octet, ETHER_ADDR_LEN); INIT_LIST_HEAD(&sta->list); sta->idx = ID16_INVALID; /* implying free */ } /** Allocate a dhd_sta object from the dhd pool. */ static dhd_sta_t * dhd_sta_alloc(dhd_pub_t * dhdp) { uint16 idx; dhd_sta_t * sta; dhd_sta_pool_t * sta_pool; ASSERT((dhdp->staid_allocator != NULL) && (dhdp->sta_pool != NULL)); idx = id16_map_alloc(dhdp->staid_allocator); if (idx == ID16_INVALID) { DHD_ERROR(("%s: cannot get free staid\n", __FUNCTION__)); return DHD_STA_NULL; } sta_pool = (dhd_sta_pool_t *)(dhdp->sta_pool); sta = &sta_pool[idx]; ASSERT((sta->idx == ID16_INVALID) && (sta->ifp == DHD_IF_NULL) && (sta->ifidx == DHD_BAD_IF)); DHD_CUMM_CTR_INIT(&sta->cumm_ctr); sta->idx = idx; /* implying allocated */ return sta; } /** Delete all STAs in an interface's STA list. */ static void dhd_if_del_sta_list(dhd_if_t *ifp) { dhd_sta_t *sta, *next; unsigned long flags; DHD_IF_STA_LIST_LOCK(ifp, flags); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { list_del(&sta->list); dhd_sta_free(&ifp->info->pub, sta); } #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif DHD_IF_STA_LIST_UNLOCK(ifp, flags); return; } /** Router/GMAC3: Flush all station entries in the forwarder's WOFA database. */ static void dhd_if_flush_sta(dhd_if_t * ifp) { } /** Construct a pool of dhd_sta_t objects to be used by interfaces. */ static int dhd_sta_pool_init(dhd_pub_t *dhdp, int max_sta) { int idx, prio, sta_pool_memsz; dhd_sta_t * sta; dhd_sta_pool_t * sta_pool; void * staid_allocator; ASSERT(dhdp != (dhd_pub_t *)NULL); ASSERT((dhdp->staid_allocator == NULL) && (dhdp->sta_pool == NULL)); /* dhd_sta objects per radio are managed in a table. id#0 reserved. */ staid_allocator = id16_map_init(dhdp->osh, max_sta, 1); if (staid_allocator == NULL) { DHD_ERROR(("%s: sta id allocator init failure\n", __FUNCTION__)); return BCME_ERROR; } /* Pre allocate a pool of dhd_sta objects (one extra). */ sta_pool_memsz = ((max_sta + 1) * sizeof(dhd_sta_t)); /* skip idx 0 */ sta_pool = (dhd_sta_pool_t *)MALLOC(dhdp->osh, sta_pool_memsz); if (sta_pool == NULL) { DHD_ERROR(("%s: sta table alloc failure\n", __FUNCTION__)); id16_map_fini(dhdp->osh, staid_allocator); return BCME_ERROR; } dhdp->sta_pool = sta_pool; dhdp->staid_allocator = staid_allocator; /* Initialize all sta(s) for the pre-allocated free pool. */ bzero((uchar *)sta_pool, sta_pool_memsz); for (idx = max_sta; idx >= 1; idx--) { /* skip sta_pool[0] */ sta = &sta_pool[idx]; sta->idx = id16_map_alloc(staid_allocator); ASSERT(sta->idx <= max_sta); } /* Now place them into the pre-allocated free pool. */ for (idx = 1; idx <= max_sta; idx++) { sta = &sta_pool[idx]; for (prio = 0; prio < (int)NUMPRIO; prio++) { sta->flowid[prio] = FLOWID_INVALID; /* Flow rings do not exist */ } dhd_sta_free(dhdp, sta); } return BCME_OK; } /** Destruct the pool of dhd_sta_t objects. * Caller must ensure that no STA objects are currently associated with an if. */ static void dhd_sta_pool_fini(dhd_pub_t *dhdp, int max_sta) { dhd_sta_pool_t * sta_pool = (dhd_sta_pool_t *)dhdp->sta_pool; if (sta_pool) { int idx; int sta_pool_memsz = ((max_sta + 1) * sizeof(dhd_sta_t)); for (idx = 1; idx <= max_sta; idx++) { ASSERT(sta_pool[idx].ifp == DHD_IF_NULL); ASSERT(sta_pool[idx].idx == ID16_INVALID); } MFREE(dhdp->osh, dhdp->sta_pool, sta_pool_memsz); dhdp->sta_pool = NULL; } id16_map_fini(dhdp->osh, dhdp->staid_allocator); dhdp->staid_allocator = NULL; } /* Clear the pool of dhd_sta_t objects for built-in type driver */ static void dhd_sta_pool_clear(dhd_pub_t *dhdp, int max_sta) { int idx, prio, sta_pool_memsz; dhd_sta_t * sta; dhd_sta_pool_t * sta_pool; void *staid_allocator; if (!dhdp) { DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__)); return; } sta_pool = (dhd_sta_pool_t *)dhdp->sta_pool; staid_allocator = dhdp->staid_allocator; if (!sta_pool) { DHD_ERROR(("%s: sta_pool is NULL\n", __FUNCTION__)); return; } if (!staid_allocator) { DHD_ERROR(("%s: staid_allocator is NULL\n", __FUNCTION__)); return; } /* clear free pool */ sta_pool_memsz = ((max_sta + 1) * sizeof(dhd_sta_t)); bzero((uchar *)sta_pool, sta_pool_memsz); /* dhd_sta objects per radio are managed in a table. id#0 reserved. */ id16_map_clear(staid_allocator, max_sta, 1); /* Initialize all sta(s) for the pre-allocated free pool. */ for (idx = max_sta; idx >= 1; idx--) { /* skip sta_pool[0] */ sta = &sta_pool[idx]; sta->idx = id16_map_alloc(staid_allocator); ASSERT(sta->idx <= max_sta); } /* Now place them into the pre-allocated free pool. */ for (idx = 1; idx <= max_sta; idx++) { sta = &sta_pool[idx]; for (prio = 0; prio < (int)NUMPRIO; prio++) { sta->flowid[prio] = FLOWID_INVALID; /* Flow rings do not exist */ } dhd_sta_free(dhdp, sta); } } /** Find STA with MAC address ea in an interface's STA list. */ dhd_sta_t * dhd_find_sta(void *pub, int ifidx, void *ea) { dhd_sta_t *sta; dhd_if_t *ifp; unsigned long flags; ASSERT(ea != NULL); ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx); if (ifp == NULL) return DHD_STA_NULL; DHD_IF_STA_LIST_LOCK(ifp, flags); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif list_for_each_entry(sta, &ifp->sta_list, list) { if (!memcmp(sta->ea.octet, ea, ETHER_ADDR_LEN)) { DHD_INFO(("%s: Found STA " MACDBG "\n", __FUNCTION__, MAC2STRDBG((char *)ea))); DHD_IF_STA_LIST_UNLOCK(ifp, flags); return sta; } } #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif DHD_IF_STA_LIST_UNLOCK(ifp, flags); return DHD_STA_NULL; } /** Add STA into the interface's STA list. */ dhd_sta_t * dhd_add_sta(void *pub, int ifidx, void *ea) { dhd_sta_t *sta; dhd_if_t *ifp; unsigned long flags; ASSERT(ea != NULL); ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx); if (ifp == NULL) return DHD_STA_NULL; if (!memcmp(ifp->net->dev_addr, ea, ETHER_ADDR_LEN)) { DHD_ERROR(("%s: Serious FAILURE, receive own MAC %pM !!\n", __FUNCTION__, ea)); return DHD_STA_NULL; } sta = dhd_sta_alloc((dhd_pub_t *)pub); if (sta == DHD_STA_NULL) { DHD_ERROR(("%s: Alloc failed\n", __FUNCTION__)); return DHD_STA_NULL; } memcpy(sta->ea.octet, ea, ETHER_ADDR_LEN); /* link the sta and the dhd interface */ sta->ifp = ifp; sta->ifidx = ifidx; INIT_LIST_HEAD(&sta->list); DHD_IF_STA_LIST_LOCK(ifp, flags); list_add_tail(&sta->list, &ifp->sta_list); DHD_ERROR(("%s: Adding STA " MACDBG "\n", __FUNCTION__, MAC2STRDBG((char *)ea))); DHD_IF_STA_LIST_UNLOCK(ifp, flags); return sta; } /** Delete all STAs from the interface's STA list. */ void dhd_del_all_sta(void *pub, int ifidx) { dhd_sta_t *sta, *next; dhd_if_t *ifp; unsigned long flags; ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx); if (ifp == NULL) return; DHD_IF_STA_LIST_LOCK(ifp, flags); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { list_del(&sta->list); dhd_sta_free(&ifp->info->pub, sta); #ifdef DHD_L2_FILTER if (ifp->parp_enable) { /* clear Proxy ARP cache of specific Ethernet Address */ bcm_l2_filter_arp_table_update(((dhd_pub_t*)pub)->osh, ifp->phnd_arp_table, FALSE, sta->ea.octet, FALSE, ((dhd_pub_t*)pub)->tickcnt); } #endif /* DHD_L2_FILTER */ } #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif DHD_IF_STA_LIST_UNLOCK(ifp, flags); return; } /** Delete STA from the interface's STA list. */ void dhd_del_sta(void *pub, int ifidx, void *ea) { dhd_sta_t *sta, *next; dhd_if_t *ifp; unsigned long flags; ASSERT(ea != NULL); ifp = dhd_get_ifp((dhd_pub_t *)pub, ifidx); if (ifp == NULL) return; DHD_IF_STA_LIST_LOCK(ifp, flags); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { if (!memcmp(sta->ea.octet, ea, ETHER_ADDR_LEN)) { DHD_ERROR(("%s: Deleting STA " MACDBG "\n", __FUNCTION__, MAC2STRDBG(sta->ea.octet))); list_del(&sta->list); dhd_sta_free(&ifp->info->pub, sta); } } #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif DHD_IF_STA_LIST_UNLOCK(ifp, flags); #ifdef DHD_L2_FILTER if (ifp->parp_enable) { /* clear Proxy ARP cache of specific Ethernet Address */ bcm_l2_filter_arp_table_update(((dhd_pub_t*)pub)->osh, ifp->phnd_arp_table, FALSE, ea, FALSE, ((dhd_pub_t*)pub)->tickcnt); } #endif /* DHD_L2_FILTER */ return; } /** Add STA if it doesn't exist. Not reentrant. */ dhd_sta_t* dhd_findadd_sta(void *pub, int ifidx, void *ea) { dhd_sta_t *sta; sta = dhd_find_sta(pub, ifidx, ea); if (!sta) { /* Add entry */ sta = dhd_add_sta(pub, ifidx, ea); } return sta; } #if defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) static struct list_head * dhd_sta_list_snapshot(dhd_info_t *dhd, dhd_if_t *ifp, struct list_head *snapshot_list) { unsigned long flags; dhd_sta_t *sta, *snapshot; INIT_LIST_HEAD(snapshot_list); DHD_IF_STA_LIST_LOCK(ifp, flags); list_for_each_entry(sta, &ifp->sta_list, list) { /* allocate one and add to snapshot */ snapshot = (dhd_sta_t *)MALLOC(dhd->pub.osh, sizeof(dhd_sta_t)); if (snapshot == NULL) { DHD_ERROR(("%s: Cannot allocate memory\n", __FUNCTION__)); continue; } memcpy(snapshot->ea.octet, sta->ea.octet, ETHER_ADDR_LEN); INIT_LIST_HEAD(&snapshot->list); list_add_tail(&snapshot->list, snapshot_list); } DHD_IF_STA_LIST_UNLOCK(ifp, flags); return snapshot_list; } static void dhd_sta_list_snapshot_free(dhd_info_t *dhd, struct list_head *snapshot_list) { dhd_sta_t *sta, *next; list_for_each_entry_safe(sta, next, snapshot_list, list) { list_del(&sta->list); MFREE(dhd->pub.osh, sta, sizeof(dhd_sta_t)); } } #endif /* DHD_IGMP_UCQUERY || DHD_UCAST_UPNP */ #else static inline void dhd_if_flush_sta(dhd_if_t * ifp) { } static inline void dhd_if_del_sta_list(dhd_if_t *ifp) {} static inline int dhd_sta_pool_init(dhd_pub_t *dhdp, int max_sta) { return BCME_OK; } static inline void dhd_sta_pool_fini(dhd_pub_t *dhdp, int max_sta) {} static inline void dhd_sta_pool_clear(dhd_pub_t *dhdp, int max_sta) {} dhd_sta_t *dhd_findadd_sta(void *pub, int ifidx, void *ea) { return NULL; } dhd_sta_t *dhd_find_sta(void *pub, int ifidx, void *ea) { return NULL; } void dhd_del_sta(void *pub, int ifidx, void *ea) {} #endif /* PCIE_FULL_DONGLE */ #if defined(DNGL_AXI_ERROR_LOGGING) && defined(DHD_USE_WQ_FOR_DNGL_AXI_ERROR) void dhd_axi_error_dispatch(dhd_pub_t *dhdp) { dhd_info_t *dhd = dhdp->info; schedule_work(&dhd->axi_error_dispatcher_work); } static void dhd_axi_error_dispatcher_fn(struct work_struct * work) { struct dhd_info *dhd = container_of(work, struct dhd_info, axi_error_dispatcher_work); dhd_axi_error(&dhd->pub); } #endif /* DNGL_AXI_ERROR_LOGGING && DHD_USE_WQ_FOR_DNGL_AXI_ERROR */ /** Returns dhd iflist index corresponding the the bssidx provided by apps */ int dhd_bssidx2idx(dhd_pub_t *dhdp, uint32 bssidx) { dhd_if_t *ifp; dhd_info_t *dhd = dhdp->info; int i; ASSERT(bssidx < DHD_MAX_IFS); ASSERT(dhdp); for (i = 0; i < DHD_MAX_IFS; i++) { ifp = dhd->iflist[i]; if (ifp && (ifp->bssidx == bssidx)) { DHD_TRACE(("Index manipulated for %s from %d to %d\n", ifp->name, bssidx, i)); break; } } return i; } static inline int dhd_rxf_enqueue(dhd_pub_t *dhdp, void* skb) { uint32 store_idx; uint32 sent_idx; if (!skb) { DHD_ERROR(("dhd_rxf_enqueue: NULL skb!!!\n")); return BCME_ERROR; } dhd_os_rxflock(dhdp); store_idx = dhdp->store_idx; sent_idx = dhdp->sent_idx; if (dhdp->skbbuf[store_idx] != NULL) { /* Make sure the previous packets are processed */ dhd_os_rxfunlock(dhdp); DHD_ERROR(("dhd_rxf_enqueue: pktbuf not consumed %p, store idx %d sent idx %d\n", skb, store_idx, sent_idx)); /* removed msleep here, should use wait_event_timeout if we * want to give rx frame thread a chance to run */ #if defined(WAIT_DEQUEUE) OSL_SLEEP(1); #endif // endif return BCME_ERROR; } DHD_TRACE(("dhd_rxf_enqueue: Store SKB %p. idx %d -> %d\n", skb, store_idx, (store_idx + 1) & (MAXSKBPEND - 1))); dhdp->skbbuf[store_idx] = skb; dhdp->store_idx = (store_idx + 1) & (MAXSKBPEND - 1); dhd_os_rxfunlock(dhdp); return BCME_OK; } static inline void* dhd_rxf_dequeue(dhd_pub_t *dhdp) { uint32 store_idx; uint32 sent_idx; void *skb; dhd_os_rxflock(dhdp); store_idx = dhdp->store_idx; sent_idx = dhdp->sent_idx; skb = dhdp->skbbuf[sent_idx]; if (skb == NULL) { dhd_os_rxfunlock(dhdp); DHD_ERROR(("dhd_rxf_dequeue: Dequeued packet is NULL, store idx %d sent idx %d\n", store_idx, sent_idx)); return NULL; } dhdp->skbbuf[sent_idx] = NULL; dhdp->sent_idx = (sent_idx + 1) & (MAXSKBPEND - 1); DHD_TRACE(("dhd_rxf_dequeue: netif_rx_ni(%p), sent idx %d\n", skb, sent_idx)); dhd_os_rxfunlock(dhdp); return skb; } int dhd_process_cid_mac(dhd_pub_t *dhdp, bool prepost) { if (prepost) { /* pre process */ dhd_read_cis(dhdp); dhd_check_module_cid(dhdp); dhd_check_module_mac(dhdp); dhd_set_macaddr_from_file(dhdp); } else { /* post process */ dhd_write_macaddr(&dhdp->mac); dhd_clear_cis(dhdp); } return 0; } #if defined(WL_CFG80211) && defined(DHD_FILE_DUMP_EVENT) && defined(DHD_FW_COREDUMP) static int dhd_wait_for_file_dump(dhd_pub_t *dhdp) { struct net_device *primary_ndev; struct bcm_cfg80211 *cfg; unsigned long flags = 0; primary_ndev = dhd_linux_get_primary_netdev(dhdp); if (!primary_ndev) { DHD_ERROR(("%s: Cannot find primary netdev\n", __FUNCTION__)); return BCME_ERROR; } cfg = wl_get_cfg(primary_ndev); if (!cfg) { DHD_ERROR(("%s: Cannot find cfg\n", __FUNCTION__)); return BCME_ERROR; } DHD_GENERAL_LOCK(dhdp, flags); if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhdp)) { DHD_BUS_BUSY_CLEAR_IN_HALDUMP(dhdp); dhd_os_busbusy_wake(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); DHD_ERROR(("%s: bus is down! can't collect log dump. \n", __FUNCTION__)); return BCME_ERROR; } DHD_BUS_BUSY_SET_IN_HALDUMP(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); DHD_OS_WAKE_LOCK(dhdp); /* check for hal started and only then send event if not clear dump state here */ if (wl_cfg80211_is_hal_started(cfg)) { int timeleft = 0; DHD_ERROR(("[DUMP] %s: HAL started. send urgent event\n", __FUNCTION__)); dhd_dbg_send_urgent_evt(dhdp, NULL, 0); DHD_ERROR(("%s: wait to clear dhd_bus_busy_state: 0x%x\n", __FUNCTION__, dhdp->dhd_bus_busy_state)); timeleft = dhd_os_busbusy_wait_bitmask(dhdp, &dhdp->dhd_bus_busy_state, DHD_BUS_BUSY_IN_HALDUMP, 0); if ((dhdp->dhd_bus_busy_state & DHD_BUS_BUSY_IN_HALDUMP) != 0) { DHD_ERROR(("%s: Timed out dhd_bus_busy_state=0x%x\n", __FUNCTION__, dhdp->dhd_bus_busy_state)); } } else { DHD_ERROR(("[DUMP] %s: HAL Not started. skip urgent event\n", __FUNCTION__)); } DHD_OS_WAKE_UNLOCK(dhdp); /* In case of dhd_os_busbusy_wait_bitmask() timeout, * hal dump bit will not be cleared. Hence clearing it here. */ DHD_GENERAL_LOCK(dhdp, flags); DHD_BUS_BUSY_CLEAR_IN_HALDUMP(dhdp); dhd_os_busbusy_wake(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); return BCME_OK; } #endif /* WL_CFG80211 && DHD_FILE_DUMP_EVENT && DHD_FW_CORE_DUMP */ // terence 20160615: fix building error if ARP_OFFLOAD_SUPPORT removed #if defined(PKT_FILTER_SUPPORT) #if defined(ARP_OFFLOAD_SUPPORT) && !defined(GAN_LITE_NAT_KEEPALIVE_FILTER) static bool _turn_on_arp_filter(dhd_pub_t *dhd, int op_mode_param) { bool _apply = FALSE; /* In case of IBSS mode, apply arp pkt filter */ if (op_mode_param & DHD_FLAG_IBSS_MODE) { _apply = TRUE; goto exit; } /* In case of P2P GO or GC, apply pkt filter to pass arp pkt to host */ if (op_mode_param & (DHD_FLAG_P2P_GC_MODE | DHD_FLAG_P2P_GO_MODE)) { _apply = TRUE; goto exit; } exit: return _apply; } #endif /* !GAN_LITE_NAT_KEEPALIVE_FILTER */ void dhd_set_packet_filter(dhd_pub_t *dhd) { int i; DHD_TRACE(("%s: enter\n", __FUNCTION__)); if (dhd_pkt_filter_enable) { for (i = 0; i < dhd->pktfilter_count; i++) { dhd_pktfilter_offload_set(dhd, dhd->pktfilter[i]); } } } void dhd_enable_packet_filter(int value, dhd_pub_t *dhd) { int i; DHD_ERROR(("%s: enter, value = %d\n", __FUNCTION__, value)); if ((dhd->op_mode & DHD_FLAG_HOSTAP_MODE) && value && !dhd_conf_get_insuspend(dhd, AP_FILTER_IN_SUSPEND)) { DHD_ERROR(("%s: DHD_FLAG_HOSTAP_MODE\n", __FUNCTION__)); return; } /* 1 - Enable packet filter, only allow unicast packet to send up */ /* 0 - Disable packet filter */ if (dhd_pkt_filter_enable && (!value || (dhd_support_sta_mode(dhd) && !dhd->dhcp_in_progress) || dhd_conf_get_insuspend(dhd, AP_FILTER_IN_SUSPEND))) { for (i = 0; i < dhd->pktfilter_count; i++) { // terence 20160615: fix building error if ARP_OFFLOAD_SUPPORT removed #if defined(ARP_OFFLOAD_SUPPORT) && !defined(GAN_LITE_NAT_KEEPALIVE_FILTER) if (value && (i == DHD_ARP_FILTER_NUM) && !_turn_on_arp_filter(dhd, dhd->op_mode)) { DHD_TRACE(("Do not turn on ARP white list pkt filter:" "val %d, cnt %d, op_mode 0x%x\n", value, i, dhd->op_mode)); continue; } #endif /* !GAN_LITE_NAT_KEEPALIVE_FILTER */ dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i], value, dhd_master_mode); } } } int dhd_packet_filter_add_remove(dhd_pub_t *dhdp, int add_remove, int num) { char *filterp = NULL; int filter_id = 0; switch (num) { case DHD_BROADCAST_FILTER_NUM: filterp = "101 0 0 0 0xFFFFFFFFFFFF 0xFFFFFFFFFFFF"; filter_id = 101; break; case DHD_MULTICAST4_FILTER_NUM: filter_id = 102; if (FW_SUPPORTED((dhdp), pf6)) { if (dhdp->pktfilter[num] != NULL) { dhd_pktfilter_offload_delete(dhdp, filter_id); dhdp->pktfilter[num] = NULL; } if (!add_remove) { filterp = DISCARD_IPV4_MCAST; add_remove = 1; break; } } filterp = "102 0 0 0 0xFFFFFF 0x01005E"; break; case DHD_MULTICAST6_FILTER_NUM: filter_id = 103; if (FW_SUPPORTED((dhdp), pf6)) { if (dhdp->pktfilter[num] != NULL) { dhd_pktfilter_offload_delete(dhdp, filter_id); dhdp->pktfilter[num] = NULL; } if (!add_remove) { filterp = DISCARD_IPV6_MCAST; add_remove = 1; break; } } filterp = "103 0 0 0 0xFFFF 0x3333"; break; case DHD_MDNS_FILTER_NUM: filterp = "104 0 0 0 0xFFFFFFFFFFFF 0x01005E0000FB"; filter_id = 104; break; case DHD_ARP_FILTER_NUM: filterp = "105 0 0 12 0xFFFF 0x0806"; filter_id = 105; break; case DHD_BROADCAST_ARP_FILTER_NUM: filterp = "106 0 0 0 0xFFFFFFFFFFFF0000000000000806" " 0xFFFFFFFFFFFF0000000000000806"; filter_id = 106; break; default: return -EINVAL; } /* Add filter */ if (add_remove) { dhdp->pktfilter[num] = filterp; dhd_pktfilter_offload_set(dhdp, dhdp->pktfilter[num]); } else { /* Delete filter */ if (dhdp->pktfilter[num]) { dhd_pktfilter_offload_delete(dhdp, filter_id); dhdp->pktfilter[num] = NULL; } } return 0; } #endif /* PKT_FILTER_SUPPORT */ static int dhd_set_suspend(int value, dhd_pub_t *dhd) { #ifndef SUPPORT_PM2_ONLY int power_mode = PM_MAX; #endif /* SUPPORT_PM2_ONLY */ /* wl_pkt_filter_enable_t enable_parm; */ int bcn_li_dtim = 0; /* Default bcn_li_dtim in resume mode is 0 */ int ret = 0; #ifdef DHD_USE_EARLYSUSPEND #ifdef CUSTOM_BCN_TIMEOUT_IN_SUSPEND int bcn_timeout = 0; #endif /* CUSTOM_BCN_TIMEOUT_IN_SUSPEND */ #ifdef CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND int roam_time_thresh = 0; /* (ms) */ #endif /* CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND */ #ifndef ENABLE_FW_ROAM_SUSPEND uint roamvar = 1; #endif /* ENABLE_FW_ROAM_SUSPEND */ #ifdef ENABLE_BCN_LI_BCN_WAKEUP int bcn_li_bcn = 1; #endif /* ENABLE_BCN_LI_BCN_WAKEUP */ uint nd_ra_filter = 0; #ifdef ENABLE_IPMCAST_FILTER int ipmcast_l2filter; #endif /* ENABLE_IPMCAST_FILTER */ #ifdef CUSTOM_EVENT_PM_WAKE uint32 pm_awake_thresh = CUSTOM_EVENT_PM_WAKE; #endif /* CUSTOM_EVENT_PM_WAKE */ #endif /* DHD_USE_EARLYSUSPEND */ #ifdef PASS_ALL_MCAST_PKTS struct dhd_info *dhdinfo; uint32 allmulti; uint i; #endif /* PASS_ALL_MCAST_PKTS */ #ifdef DYNAMIC_SWOOB_DURATION #ifndef CUSTOM_INTR_WIDTH #define CUSTOM_INTR_WIDTH 100 int intr_width = 0; #endif /* CUSTOM_INTR_WIDTH */ #endif /* DYNAMIC_SWOOB_DURATION */ #if defined(BCMPCIE) int lpas = 0; int dtim_period = 0; int bcn_interval = 0; int bcn_to_dly = 0; #if defined(CUSTOM_BCN_TIMEOUT_IN_SUSPEND) && defined(DHD_USE_EARLYSUSPEND) bcn_timeout = CUSTOM_BCN_TIMEOUT_SETTING; #else int bcn_timeout = CUSTOM_BCN_TIMEOUT_SETTING; #endif /* CUSTOM_BCN_TIMEOUT_IN_SUSPEND && DHD_USE_EARLYSUSPEND */ #endif /* OEM_ANDROID && BCMPCIE */ if (!dhd) return -ENODEV; #ifdef PASS_ALL_MCAST_PKTS dhdinfo = dhd->info; #endif /* PASS_ALL_MCAST_PKTS */ DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n", __FUNCTION__, value, dhd->in_suspend)); dhd_suspend_lock(dhd); #ifdef CUSTOM_SET_CPUCORE DHD_TRACE(("%s set cpucore(suspend%d)\n", __FUNCTION__, value)); /* set specific cpucore */ dhd_set_cpucore(dhd, TRUE); #endif /* CUSTOM_SET_CPUCORE */ if (dhd->up) { if (value && dhd->in_suspend) { #ifdef PKT_FILTER_SUPPORT dhd->early_suspended = 1; #endif // endif /* Kernel suspended */ DHD_ERROR(("%s: force extra Suspend setting\n", __FUNCTION__)); #ifndef SUPPORT_PM2_ONLY dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode), TRUE, 0); #endif /* SUPPORT_PM2_ONLY */ #ifdef PKT_FILTER_SUPPORT /* Enable packet filter, * only allow unicast packet to send up */ 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 dhd_arp_offload_enable(dhd, TRUE); #endif /* ARP_OFFLOAD_SUPPORT */ #ifdef PASS_ALL_MCAST_PKTS allmulti = 0; for (i = 0; i < DHD_MAX_IFS; i++) { if (dhdinfo->iflist[i] && dhdinfo->iflist[i]->net) ret = dhd_iovar(dhd, i, "allmulti", (char *)&allmulti, sizeof(allmulti), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s allmulti failed %d\n", __FUNCTION__, ret)); } } #endif /* PASS_ALL_MCAST_PKTS */ /* If DTIM skip is set up as default, force it to wake * each third DTIM for better power savings. Note that * one side effect is a chance to miss BC/MC packet. */ #ifdef WLTDLS /* Do not set bcn_li_ditm on WFD mode */ if (dhd->tdls_mode) { bcn_li_dtim = 0; } else #endif /* WLTDLS */ #if defined(BCMPCIE) bcn_li_dtim = dhd_get_suspend_bcn_li_dtim(dhd, &dtim_period, &bcn_interval); ret = dhd_iovar(dhd, 0, "bcn_li_dtim", (char *)&bcn_li_dtim, sizeof(bcn_li_dtim), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s bcn_li_dtim failed %d\n", __FUNCTION__, ret)); } if ((bcn_li_dtim * dtim_period * bcn_interval) >= MIN_DTIM_FOR_ROAM_THRES_EXTEND) { /* * Increase max roaming threshold from 2 secs to 8 secs * the real roam threshold is MIN(max_roam_threshold, * bcn_timeout/2) */ lpas = 1; ret = dhd_iovar(dhd, 0, "lpas", (char *)&lpas, sizeof(lpas), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s lpas failed %d\n", __FUNCTION__, ret)); } bcn_to_dly = 1; /* * if bcn_to_dly is 1, the real roam threshold is * MIN(max_roam_threshold, bcn_timeout -1); * notify link down event after roaming procedure complete * if we hit bcn_timeout while we are in roaming progress. */ ret = dhd_iovar(dhd, 0, "bcn_to_dly", (char *)&bcn_to_dly, sizeof(bcn_to_dly), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s bcn_to_dly failed %d\n", __FUNCTION__, ret)); } /* Increase beacon timeout to 6 secs or use bigger one */ bcn_timeout = max(bcn_timeout, BCN_TIMEOUT_IN_SUSPEND); ret = dhd_iovar(dhd, 0, "bcn_timeout", (char *)&bcn_timeout, sizeof(bcn_timeout), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s bcn_timeout failed %d\n", __FUNCTION__, ret)); } } #else bcn_li_dtim = dhd_get_suspend_bcn_li_dtim(dhd); if (dhd_iovar(dhd, 0, "bcn_li_dtim", (char *)&bcn_li_dtim, sizeof(bcn_li_dtim), NULL, 0, TRUE) < 0) DHD_ERROR(("%s: set dtim failed\n", __FUNCTION__)); #endif /* OEM_ANDROID && BCMPCIE */ #ifdef WL_CFG80211 /* Disable cfg80211 feature events during suspend */ ret = wl_cfg80211_config_suspend_events( dhd_linux_get_primary_netdev(dhd), FALSE); if (ret < 0) { DHD_ERROR(("failed to disable events (%d)\n", ret)); } #endif /* WL_CFG80211 */ #ifdef DHD_USE_EARLYSUSPEND #ifdef CUSTOM_BCN_TIMEOUT_IN_SUSPEND bcn_timeout = CUSTOM_BCN_TIMEOUT_IN_SUSPEND; ret = dhd_iovar(dhd, 0, "bcn_timeout", (char *)&bcn_timeout, sizeof(bcn_timeout), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s bcn_timeout failed %d\n", __FUNCTION__, ret)); } #endif /* CUSTOM_BCN_TIMEOUT_IN_SUSPEND */ #ifdef CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND roam_time_thresh = CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND; ret = dhd_iovar(dhd, 0, "roam_time_thresh", (char *)&roam_time_thresh, sizeof(roam_time_thresh), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s roam_time_thresh failed %d\n", __FUNCTION__, ret)); } #endif /* CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND */ #ifndef ENABLE_FW_ROAM_SUSPEND /* Disable firmware roaming during suspend */ ret = dhd_iovar(dhd, 0, "roam_off", (char *)&roamvar, sizeof(roamvar), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s roam_off failed %d\n", __FUNCTION__, ret)); } #endif /* ENABLE_FW_ROAM_SUSPEND */ #ifdef ENABLE_BCN_LI_BCN_WAKEUP if (bcn_li_dtim) { bcn_li_bcn = 0; } ret = dhd_iovar(dhd, 0, "bcn_li_bcn", (char *)&bcn_li_bcn, sizeof(bcn_li_bcn), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s bcn_li_bcn failed %d\n", __FUNCTION__, ret)); } #endif /* ENABLE_BCN_LI_BCN_WAKEUP */ #if defined(WL_CFG80211) && defined(WL_BCNRECV) ret = wl_android_bcnrecv_suspend(dhd_linux_get_primary_netdev(dhd)); if (ret != BCME_OK) { DHD_ERROR(("failed to stop beacon recv event on" " suspend state (%d)\n", ret)); } #endif /* WL_CFG80211 && WL_BCNRECV */ #ifdef NDO_CONFIG_SUPPORT if (dhd->ndo_enable) { if (!dhd->ndo_host_ip_overflow) { /* enable ND offload on suspend */ ret = dhd_ndo_enable(dhd, TRUE); if (ret < 0) { DHD_ERROR(("%s: failed to enable NDO\n", __FUNCTION__)); } } else { DHD_INFO(("%s: NDO disabled on suspend due to" "HW capacity\n", __FUNCTION__)); } } #endif /* NDO_CONFIG_SUPPORT */ #ifndef APF if (FW_SUPPORTED(dhd, ndoe)) #else if (FW_SUPPORTED(dhd, ndoe) && !FW_SUPPORTED(dhd, apf)) #endif /* APF */ { /* enable IPv6 RA filter in firmware during suspend */ nd_ra_filter = 1; ret = dhd_iovar(dhd, 0, "nd_ra_filter_enable", (char *)&nd_ra_filter, sizeof(nd_ra_filter), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("failed to set nd_ra_filter (%d)\n", ret)); } dhd_os_suppress_logging(dhd, TRUE); #ifdef ENABLE_IPMCAST_FILTER ipmcast_l2filter = 1; ret = dhd_iovar(dhd, 0, "ipmcast_l2filter", (char *)&ipmcast_l2filter, sizeof(ipmcast_l2filter), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("failed to set ipmcast_l2filter (%d)\n", ret)); } #endif /* ENABLE_IPMCAST_FILTER */ #ifdef DYNAMIC_SWOOB_DURATION intr_width = CUSTOM_INTR_WIDTH; ret = dhd_iovar(dhd, 0, "bus:intr_width", (char *)&intr_width, sizeof(intr_width), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("failed to set intr_width (%d)\n", ret)); } #endif /* DYNAMIC_SWOOB_DURATION */ #ifdef CUSTOM_EVENT_PM_WAKE pm_awake_thresh = CUSTOM_EVENT_PM_WAKE * 4; ret = dhd_iovar(dhd, 0, "const_awake_thresh", (char *)&pm_awake_thresh, sizeof(pm_awake_thresh), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s set const_awake_thresh failed %d\n", __FUNCTION__, ret)); } #endif /* CUSTOM_EVENT_PM_WAKE */ #ifdef CONFIG_SILENT_ROAM if (!dhd->sroamed) { ret = dhd_sroam_set_mon(dhd, TRUE); if (ret < 0) { DHD_ERROR(("%s set sroam failed %d\n", __FUNCTION__, ret)); } } dhd->sroamed = FALSE; #endif /* CONFIG_SILENT_ROAM */ #endif /* DHD_USE_EARLYSUSPEND */ } else { #ifdef PKT_FILTER_SUPPORT dhd->early_suspended = 0; #endif // endif /* Kernel resumed */ DHD_ERROR(("%s: Remove extra suspend setting \n", __FUNCTION__)); #ifdef DYNAMIC_SWOOB_DURATION intr_width = 0; ret = dhd_iovar(dhd, 0, "bus:intr_width", (char *)&intr_width, sizeof(intr_width), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("failed to set intr_width (%d)\n", ret)); } #endif /* DYNAMIC_SWOOB_DURATION */ #ifndef SUPPORT_PM2_ONLY power_mode = PM_FAST; dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode), TRUE, 0); #endif /* SUPPORT_PM2_ONLY */ #if defined(WL_CFG80211) && defined(WL_BCNRECV) ret = wl_android_bcnrecv_resume(dhd_linux_get_primary_netdev(dhd)); if (ret != BCME_OK) { DHD_ERROR(("failed to resume beacon recv state (%d)\n", ret)); } #endif /* WL_CF80211 && WL_BCNRECV */ #ifdef ARP_OFFLOAD_SUPPORT dhd_arp_offload_enable(dhd, FALSE); #endif /* ARP_OFFLOAD_SUPPORT */ #ifdef PKT_FILTER_SUPPORT /* disable pkt filter */ 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 PASS_ALL_MCAST_PKTS allmulti = 1; for (i = 0; i < DHD_MAX_IFS; i++) { if (dhdinfo->iflist[i] && dhdinfo->iflist[i]->net) ret = dhd_iovar(dhd, i, "allmulti", (char *)&allmulti, sizeof(allmulti), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: allmulti failed:%d\n", __FUNCTION__, ret)); } } #endif /* PASS_ALL_MCAST_PKTS */ #if defined(BCMPCIE) /* restore pre-suspend setting */ ret = dhd_iovar(dhd, 0, "bcn_li_dtim", (char *)&bcn_li_dtim, sizeof(bcn_li_dtim), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s:bcn_li_ditm failed:%d\n", __FUNCTION__, ret)); } ret = dhd_iovar(dhd, 0, "lpas", (char *)&lpas, sizeof(lpas), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s:lpas failed:%d\n", __FUNCTION__, ret)); } ret = dhd_iovar(dhd, 0, "bcn_to_dly", (char *)&bcn_to_dly, sizeof(bcn_to_dly), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s:bcn_to_dly failed:%d\n", __FUNCTION__, ret)); } ret = dhd_iovar(dhd, 0, "bcn_timeout", (char *)&bcn_timeout, sizeof(bcn_timeout), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s:bcn_timeout failed:%d\n", __FUNCTION__, ret)); } #else /* restore pre-suspend setting for dtim_skip */ ret = dhd_iovar(dhd, 0, "bcn_li_dtim", (char *)&bcn_li_dtim, sizeof(bcn_li_dtim), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s:bcn_li_ditm fail:%d\n", __FUNCTION__, ret)); } #endif /* OEM_ANDROID && BCMPCIE */ #ifdef DHD_USE_EARLYSUSPEND #ifdef CUSTOM_BCN_TIMEOUT_IN_SUSPEND bcn_timeout = CUSTOM_BCN_TIMEOUT; ret = dhd_iovar(dhd, 0, "bcn_timeout", (char *)&bcn_timeout, sizeof(bcn_timeout), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s:bcn_timeout failed:%d\n", __FUNCTION__, ret)); } #endif /* CUSTOM_BCN_TIMEOUT_IN_SUSPEND */ #ifdef CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND roam_time_thresh = 2000; ret = dhd_iovar(dhd, 0, "roam_time_thresh", (char *)&roam_time_thresh, sizeof(roam_time_thresh), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s:roam_time_thresh failed:%d\n", __FUNCTION__, ret)); } #endif /* CUSTOM_ROAM_TIME_THRESH_IN_SUSPEND */ #ifndef ENABLE_FW_ROAM_SUSPEND roamvar = dhd_roam_disable; ret = dhd_iovar(dhd, 0, "roam_off", (char *)&roamvar, sizeof(roamvar), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: roam_off fail:%d\n", __FUNCTION__, ret)); } #endif /* ENABLE_FW_ROAM_SUSPEND */ #ifdef ENABLE_BCN_LI_BCN_WAKEUP ret = dhd_iovar(dhd, 0, "bcn_li_bcn", (char *)&bcn_li_bcn, sizeof(bcn_li_bcn), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: bcn_li_bcn failed:%d\n", __FUNCTION__, ret)); } #endif /* ENABLE_BCN_LI_BCN_WAKEUP */ #ifdef NDO_CONFIG_SUPPORT if (dhd->ndo_enable) { /* Disable ND offload on resume */ ret = dhd_ndo_enable(dhd, FALSE); if (ret < 0) { DHD_ERROR(("%s: failed to disable NDO\n", __FUNCTION__)); } } #endif /* NDO_CONFIG_SUPPORT */ #ifndef APF if (FW_SUPPORTED(dhd, ndoe)) #else if (FW_SUPPORTED(dhd, ndoe) && !FW_SUPPORTED(dhd, apf)) #endif /* APF */ { /* disable IPv6 RA filter in firmware during suspend */ nd_ra_filter = 0; ret = dhd_iovar(dhd, 0, "nd_ra_filter_enable", (char *)&nd_ra_filter, sizeof(nd_ra_filter), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("failed to set nd_ra_filter (%d)\n", ret)); } } dhd_os_suppress_logging(dhd, FALSE); #ifdef ENABLE_IPMCAST_FILTER ipmcast_l2filter = 0; ret = dhd_iovar(dhd, 0, "ipmcast_l2filter", (char *)&ipmcast_l2filter, sizeof(ipmcast_l2filter), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("failed to clear ipmcast_l2filter ret:%d", ret)); } #endif /* ENABLE_IPMCAST_FILTER */ #ifdef CUSTOM_EVENT_PM_WAKE ret = dhd_iovar(dhd, 0, "const_awake_thresh", (char *)&pm_awake_thresh, sizeof(pm_awake_thresh), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s set const_awake_thresh failed %d\n", __FUNCTION__, ret)); } #endif /* CUSTOM_EVENT_PM_WAKE */ #ifdef CONFIG_SILENT_ROAM ret = dhd_sroam_set_mon(dhd, FALSE); if (ret < 0) { DHD_ERROR(("%s set sroam failed %d\n", __FUNCTION__, ret)); } #endif /* CONFIG_SILENT_ROAM */ #endif /* DHD_USE_EARLYSUSPEND */ #ifdef WL_CFG80211 /* Enable cfg80211 feature events during resume */ ret = wl_cfg80211_config_suspend_events( dhd_linux_get_primary_netdev(dhd), TRUE); if (ret < 0) { DHD_ERROR(("failed to enable events (%d)\n", ret)); } #endif /* WL_CFG80211 */ #ifdef DHD_LB_IRQSET dhd_irq_set_affinity(dhd, dhd->info->cpumask_primary); #endif /* DHD_LB_IRQSET */ } } dhd_suspend_unlock(dhd); return 0; } static int dhd_suspend_resume_helper(struct dhd_info *dhd, int val, int force) { dhd_pub_t *dhdp = &dhd->pub; int ret = 0; DHD_OS_WAKE_LOCK(dhdp); DHD_PERIM_LOCK(dhdp); /* Set flag when early suspend was called */ dhdp->in_suspend = val; if ((force || !dhdp->suspend_disable_flag) && (dhd_support_sta_mode(dhdp) || dhd_conf_get_insuspend(dhdp, ALL_IN_SUSPEND))) { ret = dhd_set_suspend(val, dhdp); } DHD_PERIM_UNLOCK(dhdp); DHD_OS_WAKE_UNLOCK(dhdp); return ret; } #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) static void dhd_early_suspend(struct early_suspend *h) { struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); DHD_TRACE_HW4(("%s: enter\n", __FUNCTION__)); if (dhd && dhd->pub.conf->suspend_mode == EARLY_SUSPEND) { dhd_suspend_resume_helper(dhd, 1, 0); dhd_conf_set_suspend_resume(&dhd->pub, 1); } } static void dhd_late_resume(struct early_suspend *h) { struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); DHD_TRACE_HW4(("%s: enter\n", __FUNCTION__)); if (dhd && dhd->pub.conf->suspend_mode == EARLY_SUSPEND) { dhd_conf_set_suspend_resume(&dhd->pub, 0); dhd_suspend_resume_helper(dhd, 0, 0); } } #endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */ /* * Generalized timeout mechanism. Uses spin sleep with exponential back-off until * the sleep time reaches one jiffy, then switches over to task delay. Usage: * * dhd_timeout_start(&tmo, usec); * while (!dhd_timeout_expired(&tmo)) * if (poll_something()) * break; * if (dhd_timeout_expired(&tmo)) * fatal(); */ void dhd_timeout_start(dhd_timeout_t *tmo, uint usec) { tmo->limit = usec; tmo->increment = 0; tmo->elapsed = 0; tmo->tick = jiffies_to_usecs(1); } int dhd_timeout_expired(dhd_timeout_t *tmo) { /* Does nothing the first call */ if (tmo->increment == 0) { tmo->increment = 1; return 0; } if (tmo->elapsed >= tmo->limit) return 1; /* Add the delay that's about to take place */ tmo->elapsed += tmo->increment; if ((!CAN_SLEEP()) || tmo->increment < tmo->tick) { OSL_DELAY(tmo->increment); tmo->increment *= 2; if (tmo->increment > tmo->tick) tmo->increment = tmo->tick; } else { /* * OSL_SLEEP() is corresponding to usleep_range(). In non-atomic * context where the exact wakeup time is flexible, it would be good * to use usleep_range() instead of udelay(). It takes a few advantages * such as improving responsiveness and reducing power. */ OSL_SLEEP(jiffies_to_msecs(1)); } return 0; } int dhd_net2idx(dhd_info_t *dhd, struct net_device *net) { int i = 0; if (!dhd) { DHD_ERROR(("%s : DHD_BAD_IF return\n", __FUNCTION__)); return DHD_BAD_IF; } while (i < DHD_MAX_IFS) { if (dhd->iflist[i] && dhd->iflist[i]->net && (dhd->iflist[i]->net == net)) return i; i++; } return DHD_BAD_IF; } struct net_device * dhd_idx2net(void *pub, int ifidx) { struct dhd_pub *dhd_pub = (struct dhd_pub *)pub; struct dhd_info *dhd_info; if (!dhd_pub || ifidx < 0 || ifidx >= DHD_MAX_IFS) return NULL; dhd_info = dhd_pub->info; if (dhd_info && dhd_info->iflist[ifidx]) return dhd_info->iflist[ifidx]->net; return NULL; } int dhd_ifname2idx(dhd_info_t *dhd, char *name) { int i = DHD_MAX_IFS; ASSERT(dhd); if (name == NULL || *name == '\0') return 0; while (--i > 0) if (dhd->iflist[i] && !strncmp(dhd->iflist[i]->dngl_name, name, IFNAMSIZ)) break; DHD_TRACE(("%s: return idx %d for \"%s\"\n", __FUNCTION__, i, name)); return i; /* default - the primary interface */ } char * dhd_ifname(dhd_pub_t *dhdp, int ifidx) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; ASSERT(dhd); if (ifidx < 0 || ifidx >= DHD_MAX_IFS) { DHD_ERROR(("%s: ifidx %d out of range\n", __FUNCTION__, ifidx)); return ""; } if (dhd->iflist[ifidx] == NULL) { DHD_ERROR(("%s: null i/f %d\n", __FUNCTION__, ifidx)); return ""; } if (dhd->iflist[ifidx]->net) return dhd->iflist[ifidx]->net->name; return ""; } uint8 * dhd_bssidx2bssid(dhd_pub_t *dhdp, int idx) { int i; dhd_info_t *dhd = (dhd_info_t *)dhdp; ASSERT(dhd); for (i = 0; i < DHD_MAX_IFS; i++) if (dhd->iflist[i] && dhd->iflist[i]->bssidx == idx) return dhd->iflist[i]->mac_addr; return NULL; } static void _dhd_set_multicast_list(dhd_info_t *dhd, int ifidx) { struct net_device *dev; struct netdev_hw_addr *ha; uint32 allmulti, cnt; wl_ioctl_t ioc; char *buf, *bufp; uint buflen; int ret; #ifdef MCAST_LIST_ACCUMULATION int i; uint32 cnt_iface[DHD_MAX_IFS]; cnt = 0; allmulti = 0; for (i = 0; i < DHD_MAX_IFS; i++) { if (dhd->iflist[i]) { dev = dhd->iflist[i]->net; if (!dev) continue; netif_addr_lock_bh(dev); cnt_iface[i] = netdev_mc_count(dev); cnt += cnt_iface[i]; netif_addr_unlock_bh(dev); /* Determine initial value of allmulti flag */ allmulti |= (dev->flags & IFF_ALLMULTI) ? TRUE : FALSE; } } #else /* !MCAST_LIST_ACCUMULATION */ if (!dhd->iflist[ifidx]) { DHD_ERROR(("%s : dhd->iflist[%d] was NULL\n", __FUNCTION__, ifidx)); return; } dev = dhd->iflist[ifidx]->net; if (!dev) return; netif_addr_lock_bh(dev); cnt = netdev_mc_count(dev); netif_addr_unlock_bh(dev); /* Determine initial value of allmulti flag */ allmulti = (dev->flags & IFF_ALLMULTI) ? TRUE : FALSE; #endif /* MCAST_LIST_ACCUMULATION */ #ifdef PASS_ALL_MCAST_PKTS #ifdef PKT_FILTER_SUPPORT if (!dhd->pub.early_suspended) #endif /* PKT_FILTER_SUPPORT */ allmulti = TRUE; #endif /* PASS_ALL_MCAST_PKTS */ /* Send down the multicast list first. */ buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETHER_ADDR_LEN); if (!(bufp = buf = MALLOC(dhd->pub.osh, buflen))) { DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n", dhd_ifname(&dhd->pub, ifidx), cnt)); return; } strncpy(bufp, "mcast_list", buflen - 1); bufp[buflen - 1] = '\0'; bufp += strlen("mcast_list") + 1; cnt = htol32(cnt); memcpy(bufp, &cnt, sizeof(cnt)); bufp += sizeof(cnt); #ifdef MCAST_LIST_ACCUMULATION for (i = 0; i < DHD_MAX_IFS; i++) { if (dhd->iflist[i]) { DHD_TRACE(("_dhd_set_multicast_list: ifidx %d\n", i)); dev = dhd->iflist[i]->net; netif_addr_lock_bh(dev); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif netdev_for_each_mc_addr(ha, dev) { #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif if (!cnt_iface[i]) break; memcpy(bufp, ha->addr, ETHER_ADDR_LEN); bufp += ETHER_ADDR_LEN; DHD_TRACE(("_dhd_set_multicast_list: cnt " "%d " MACDBG "\n", cnt_iface[i], MAC2STRDBG(ha->addr))); cnt_iface[i]--; } netif_addr_unlock_bh(dev); } } #else /* !MCAST_LIST_ACCUMULATION */ netif_addr_lock_bh(dev); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif netdev_for_each_mc_addr(ha, dev) { if (!cnt) break; memcpy(bufp, ha->addr, ETHER_ADDR_LEN); bufp += ETHER_ADDR_LEN; cnt--; } #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif netif_addr_unlock_bh(dev); #endif /* MCAST_LIST_ACCUMULATION */ memset(&ioc, 0, sizeof(ioc)); ioc.cmd = WLC_SET_VAR; ioc.buf = buf; ioc.len = buflen; ioc.set = TRUE; ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); if (ret < 0) { DHD_ERROR(("%s: set mcast_list failed, cnt %d\n", dhd_ifname(&dhd->pub, ifidx), cnt)); allmulti = cnt ? TRUE : allmulti; } MFREE(dhd->pub.osh, buf, buflen); /* Now send the allmulti setting. This is based on the setting in the * net_device flags, but might be modified above to be turned on if we * were trying to set some addresses and dongle rejected it... */ allmulti = htol32(allmulti); ret = dhd_iovar(&dhd->pub, ifidx, "allmulti", (char *)&allmulti, sizeof(allmulti), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: set allmulti %d failed\n", dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); } /* Finally, pick up the PROMISC flag as well, like the NIC driver does */ #ifdef MCAST_LIST_ACCUMULATION allmulti = 0; for (i = 0; i < DHD_MAX_IFS; i++) { if (dhd->iflist[i]) { dev = dhd->iflist[i]->net; allmulti |= (dev->flags & IFF_PROMISC) ? TRUE : FALSE; } } #else allmulti = (dev->flags & IFF_PROMISC) ? TRUE : FALSE; #endif /* MCAST_LIST_ACCUMULATION */ allmulti = htol32(allmulti); memset(&ioc, 0, sizeof(ioc)); ioc.cmd = WLC_SET_PROMISC; ioc.buf = &allmulti; ioc.len = sizeof(allmulti); ioc.set = TRUE; ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); if (ret < 0) { DHD_ERROR(("%s: set promisc %d failed\n", dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); } } int _dhd_set_mac_address(dhd_info_t *dhd, int ifidx, uint8 *addr) { int ret; ret = dhd_iovar(&dhd->pub, ifidx, "cur_etheraddr", (char *)addr, ETHER_ADDR_LEN, NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: set cur_etheraddr failed\n", dhd_ifname(&dhd->pub, ifidx))); } else { memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETHER_ADDR_LEN); if (ifidx == 0) memcpy(dhd->pub.mac.octet, addr, ETHER_ADDR_LEN); } return ret; } #ifdef DHD_PSTA /* Get psta/psr configuration configuration */ int dhd_get_psta_mode(dhd_pub_t *dhdp) { dhd_info_t *dhd = dhdp->info; return (int)dhd->psta_mode; } /* Set psta/psr configuration configuration */ int dhd_set_psta_mode(dhd_pub_t *dhdp, uint32 val) { dhd_info_t *dhd = dhdp->info; dhd->psta_mode = val; return 0; } #endif /* DHD_PSTA */ #if (defined(DHD_WET) || defined(DHD_MCAST_REGEN) || defined(DHD_L2_FILTER)) static void dhd_update_rx_pkt_chainable_state(dhd_pub_t* dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; if ( #ifdef DHD_L2_FILTER (ifp->block_ping) || #endif // endif #ifdef DHD_WET (dhd->wet_mode) || #endif // endif #ifdef DHD_MCAST_REGEN (ifp->mcast_regen_bss_enable) || #endif // endif FALSE) { ifp->rx_pkt_chainable = FALSE; } } #endif /* DHD_WET || DHD_MCAST_REGEN || DHD_L2_FILTER */ #ifdef DHD_WET /* Get wet configuration configuration */ int dhd_get_wet_mode(dhd_pub_t *dhdp) { dhd_info_t *dhd = dhdp->info; return (int)dhd->wet_mode; } /* Set wet configuration configuration */ int dhd_set_wet_mode(dhd_pub_t *dhdp, uint32 val) { dhd_info_t *dhd = dhdp->info; dhd->wet_mode = val; dhd_update_rx_pkt_chainable_state(dhdp, 0); return 0; } #endif /* DHD_WET */ #if defined(WL_CFG80211) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) int32 dhd_role_to_nl80211_iftype(int32 role) { switch (role) { case WLC_E_IF_ROLE_STA: return NL80211_IFTYPE_STATION; case WLC_E_IF_ROLE_AP: return NL80211_IFTYPE_AP; case WLC_E_IF_ROLE_WDS: return NL80211_IFTYPE_WDS; case WLC_E_IF_ROLE_P2P_GO: return NL80211_IFTYPE_P2P_GO; case WLC_E_IF_ROLE_P2P_CLIENT: return NL80211_IFTYPE_P2P_CLIENT; case WLC_E_IF_ROLE_IBSS: case WLC_E_IF_ROLE_NAN: return NL80211_IFTYPE_ADHOC; default: return NL80211_IFTYPE_UNSPECIFIED; } } #endif /* WL_CFG80211 && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0) */ static void dhd_ifadd_event_handler(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; dhd_if_event_t *if_event = event_info; int ifidx, bssidx; int ret; #if defined(WL_CFG80211) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) struct wl_if_event_info info; #if defined(WLDWDS) && defined(FOURADDR_AUTO_BRG) struct net_device *ndev = NULL; #endif #else struct net_device *ndev; #endif /* WL_CFG80211 && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0) */ BCM_REFERENCE(ret); if (event != DHD_WQ_WORK_IF_ADD) { DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); return; } if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } if (!if_event) { DHD_ERROR(("%s: event data is null \n", __FUNCTION__)); return; } dhd_net_if_lock_local(dhd); DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); ifidx = if_event->event.ifidx; bssidx = if_event->event.bssidx; DHD_TRACE(("%s: registering if with ifidx %d\n", __FUNCTION__, ifidx)); #if defined(WL_CFG80211) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) if (if_event->event.ifidx > 0) { u8 *mac_addr; bzero(&info, sizeof(info)); info.ifidx = ifidx; info.bssidx = bssidx; info.role = if_event->event.role; strncpy(info.name, if_event->name, IFNAMSIZ); if (is_valid_ether_addr(if_event->mac)) { mac_addr = if_event->mac; } else { mac_addr = NULL; } #if defined(WLDWDS) && defined(FOURADDR_AUTO_BRG) if ((ndev = wl_cfg80211_post_ifcreate(dhd->pub.info->iflist[0]->net, &info, mac_addr, NULL, true)) == NULL) #else if (wl_cfg80211_post_ifcreate(dhd->pub.info->iflist[0]->net, &info, mac_addr, NULL, true) == NULL) #endif { /* Do the post interface create ops */ DHD_ERROR(("Post ifcreate ops failed. Returning \n")); goto done; } } #else /* This path is for non-android case */ /* The interface name in host and in event msg are same */ /* if name in event msg is used to create dongle if list on host */ ndev = dhd_allocate_if(&dhd->pub, ifidx, if_event->name, if_event->mac, bssidx, TRUE, if_event->name); if (!ndev) { DHD_ERROR(("%s: net device alloc failed \n", __FUNCTION__)); goto done; } DHD_PERIM_UNLOCK(&dhd->pub); ret = dhd_register_if(&dhd->pub, ifidx, TRUE); DHD_PERIM_LOCK(&dhd->pub); if (ret != BCME_OK) { DHD_ERROR(("%s: dhd_register_if failed\n", __FUNCTION__)); dhd_remove_if(&dhd->pub, ifidx, TRUE); goto done; } #endif /* WL_CFG80211 && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0) */ #ifndef PCIE_FULL_DONGLE /* Turn on AP isolation in the firmware for interfaces operating in AP mode */ if (FW_SUPPORTED((&dhd->pub), ap) && (if_event->event.role != WLC_E_IF_ROLE_STA)) { uint32 var_int = 1; ret = dhd_iovar(&dhd->pub, ifidx, "ap_isolate", (char *)&var_int, sizeof(var_int), NULL, 0, TRUE); if (ret != BCME_OK) { DHD_ERROR(("%s: Failed to set ap_isolate to dongle\n", __FUNCTION__)); dhd_remove_if(&dhd->pub, ifidx, TRUE); } } #endif /* PCIE_FULL_DONGLE */ done: MFREE(dhd->pub.osh, if_event, sizeof(dhd_if_event_t)); #if defined(WLDWDS) && defined(FOURADDR_AUTO_BRG) dhd_bridge_dev_set(dhd, ifidx, ndev); #endif /* defiend(WLDWDS) && defined(FOURADDR_AUTO_BRG) */ DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); dhd_net_if_unlock_local(dhd); } static void dhd_ifdel_event_handler(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; int ifidx; dhd_if_event_t *if_event = event_info; if (event != DHD_WQ_WORK_IF_DEL) { DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); return; } if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } if (!if_event) { DHD_ERROR(("%s: event data is null \n", __FUNCTION__)); return; } dhd_net_if_lock_local(dhd); DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); ifidx = if_event->event.ifidx; DHD_TRACE(("Removing interface with idx %d\n", ifidx)); #if defined(WLDWDS) && defined(FOURADDR_AUTO_BRG) dhd_bridge_dev_set(dhd, ifidx, NULL); #endif /* defiend(WLDWDS) && defined(FOURADDR_AUTO_BRG) */ DHD_PERIM_UNLOCK(&dhd->pub); if (!dhd->pub.info->iflist[ifidx]) { /* No matching netdev found */ DHD_ERROR(("Netdev not found! Do nothing.\n")); goto done; } #if defined(WL_CFG80211) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) if (if_event->event.ifidx > 0) { /* Do the post interface del ops */ if (wl_cfg80211_post_ifdel(dhd->pub.info->iflist[ifidx]->net, true, if_event->event.ifidx) != 0) { DHD_TRACE(("Post ifdel ops failed. Returning \n")); goto done; } } #else /* For non-cfg80211 drivers */ dhd_remove_if(&dhd->pub, ifidx, TRUE); #endif /* WL_CFG80211 && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0) */ done: DHD_PERIM_LOCK(&dhd->pub); MFREE(dhd->pub.osh, if_event, sizeof(dhd_if_event_t)); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); dhd_net_if_unlock_local(dhd); } #ifdef DHD_UPDATE_INTF_MAC static void dhd_ifupdate_event_handler(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; int ifidx; dhd_if_event_t *if_event = event_info; if (event != DHD_WQ_WORK_IF_UPDATE) { DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); return; } if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } if (!if_event) { DHD_ERROR(("%s: event data is null \n", __FUNCTION__)); return; } dhd_net_if_lock_local(dhd); DHD_OS_WAKE_LOCK(&dhd->pub); ifidx = if_event->event.ifidx; DHD_TRACE(("%s: Update interface with idx %d\n", __FUNCTION__, ifidx)); dhd_op_if_update(&dhd->pub, ifidx); MFREE(dhd->pub.osh, if_event, sizeof(dhd_if_event_t)); DHD_OS_WAKE_UNLOCK(&dhd->pub); dhd_net_if_unlock_local(dhd); } int dhd_op_if_update(dhd_pub_t *dhdpub, int ifidx) { dhd_info_t * dhdinfo = NULL; dhd_if_t * ifp = NULL; int ret = 0; char buf[128]; if ((NULL==dhdpub)||(NULL==dhdpub->info)) { DHD_ERROR(("%s: *** DHD handler is NULL!\n", __FUNCTION__)); return -1; } else { dhdinfo = (dhd_info_t *)dhdpub->info; ifp = dhdinfo->iflist[ifidx]; if (NULL==ifp) { DHD_ERROR(("%s: *** ifp handler is NULL!\n", __FUNCTION__)); return -2; } } DHD_TRACE(("%s: idx %d\n", __FUNCTION__, ifidx)); // Get MAC address strcpy(buf, "cur_etheraddr"); ret = dhd_wl_ioctl_cmd(&dhdinfo->pub, WLC_GET_VAR, buf, sizeof(buf), FALSE, ifp->idx); if (0>ret) { DHD_ERROR(("Failed to upudate the MAC address for itf=%s, ret=%d\n", ifp->name, ret)); // avoid collision dhdinfo->iflist[ifp->idx]->mac_addr[5] += 1; // force locally administrate address ETHER_SET_LOCALADDR(&dhdinfo->iflist[ifp->idx]->mac_addr); } else { DHD_EVENT(("Got mac for itf %s, idx %d, MAC=%02X:%02X:%02X:%02X:%02X:%02X\n", ifp->name, ifp->idx, (unsigned char)buf[0], (unsigned char)buf[1], (unsigned char)buf[2], (unsigned char)buf[3], (unsigned char)buf[4], (unsigned char)buf[5])); memcpy(dhdinfo->iflist[ifp->idx]->mac_addr, buf, ETHER_ADDR_LEN); if (dhdinfo->iflist[ifp->idx]->net) { memcpy(dhdinfo->iflist[ifp->idx]->net->dev_addr, buf, ETHER_ADDR_LEN); } } return ret; } #endif /* DHD_UPDATE_INTF_MAC */ static void dhd_set_mac_addr_handler(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; dhd_if_t *ifp = event_info; if (event != DHD_WQ_WORK_SET_MAC) { DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); } if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } dhd_net_if_lock_local(dhd); DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); // terence 20160907: fix for not able to set mac when wlan0 is down if (ifp == NULL || !ifp->set_macaddress) { goto done; } if (ifp == NULL || !dhd->pub.up) { DHD_ERROR(("%s: interface info not available/down \n", __FUNCTION__)); goto done; } DHD_ERROR(("%s: MACID is overwritten\n", __FUNCTION__)); ifp->set_macaddress = FALSE; if (_dhd_set_mac_address(dhd, ifp->idx, ifp->mac_addr) == 0) DHD_INFO(("%s: MACID is overwritten\n", __FUNCTION__)); else DHD_ERROR(("%s: _dhd_set_mac_address() failed\n", __FUNCTION__)); done: DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); dhd_net_if_unlock_local(dhd); } static void dhd_set_mcast_list_handler(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; int ifidx = (int)((long int)event_info); dhd_if_t *ifp = NULL; if (event != DHD_WQ_WORK_SET_MCAST_LIST) { DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); return; } if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } dhd_net_if_lock_local(dhd); DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); ifp = dhd->iflist[ifidx]; if (ifp == NULL || !dhd->pub.up) { DHD_ERROR(("%s: interface info not available/down \n", __FUNCTION__)); goto done; } if (ifp == NULL || !dhd->pub.up) { DHD_ERROR(("%s: interface info not available/down \n", __FUNCTION__)); goto done; } ifidx = ifp->idx; #ifdef MCAST_LIST_ACCUMULATION ifidx = 0; #endif /* MCAST_LIST_ACCUMULATION */ _dhd_set_multicast_list(dhd, ifidx); DHD_INFO(("%s: set multicast list for if %d\n", __FUNCTION__, ifidx)); done: DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); dhd_net_if_unlock_local(dhd); } static int dhd_set_mac_address(struct net_device *dev, void *addr) { int ret = 0; dhd_info_t *dhd = DHD_DEV_INFO(dev); struct sockaddr *sa = (struct sockaddr *)addr; int ifidx; dhd_if_t *dhdif; ifidx = dhd_net2idx(dhd, dev); if (ifidx == DHD_BAD_IF) return -1; dhdif = dhd->iflist[ifidx]; dhd_net_if_lock_local(dhd); memcpy(dhdif->mac_addr, sa->sa_data, ETHER_ADDR_LEN); dhdif->set_macaddress = TRUE; dhd_net_if_unlock_local(dhd); dhd_deferred_schedule_work(dhd->dhd_deferred_wq, (void *)dhdif, DHD_WQ_WORK_SET_MAC, dhd_set_mac_addr_handler, DHD_WQ_WORK_PRIORITY_LOW); return ret; } static void dhd_set_multicast_list(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ifidx; ifidx = dhd_net2idx(dhd, dev); if (ifidx == DHD_BAD_IF) return; dhd->iflist[ifidx]->set_multicast = TRUE; dhd_deferred_schedule_work(dhd->dhd_deferred_wq, (void *)((long int)ifidx), DHD_WQ_WORK_SET_MCAST_LIST, dhd_set_mcast_list_handler, DHD_WQ_WORK_PRIORITY_LOW); // terence 20160907: fix for not able to set mac when wlan0 is down dhd_deferred_schedule_work(dhd->dhd_deferred_wq, (void *)dhd->iflist[ifidx], DHD_WQ_WORK_SET_MAC, dhd_set_mac_addr_handler, DHD_WQ_WORK_PRIORITY_LOW); } #ifdef DHD_UCODE_DOWNLOAD /* Get ucode path */ char * dhd_get_ucode_path(dhd_pub_t *dhdp) { dhd_info_t *dhd = dhdp->info; return dhd->uc_path; } #endif /* DHD_UCODE_DOWNLOAD */ #ifdef PROP_TXSTATUS int dhd_os_wlfc_block(dhd_pub_t *pub) { dhd_info_t *di = (dhd_info_t *)(pub->info); ASSERT(di != NULL); /* terence 20161229: don't do spin lock if proptx not enabled */ if (disable_proptx) return 1; #ifdef BCMDBUS spin_lock_irqsave(&di->wlfc_spinlock, di->wlfc_lock_flags); #else spin_lock_bh(&di->wlfc_spinlock); #endif /* BCMDBUS */ return 1; } int dhd_os_wlfc_unblock(dhd_pub_t *pub) { dhd_info_t *di = (dhd_info_t *)(pub->info); ASSERT(di != NULL); /* terence 20161229: don't do spin lock if proptx not enabled */ if (disable_proptx) return 1; #ifdef BCMDBUS spin_unlock_irqrestore(&di->wlfc_spinlock, di->wlfc_lock_flags); #else spin_unlock_bh(&di->wlfc_spinlock); #endif /* BCMDBUS */ return 1; } #endif /* PROP_TXSTATUS */ #if defined(WL_MONITOR) && defined(BCMSDIO) static void dhd_rx_mon_pkt_sdio(dhd_pub_t *dhdp, void *pkt, int ifidx); bool dhd_monitor_enabled(dhd_pub_t *dhd, int ifidx); #endif /* WL_MONITOR && BCMSDIO */ /* This routine do not support Packet chain feature, Currently tested for * proxy arp feature */ int dhd_sendup(dhd_pub_t *dhdp, int ifidx, void *p) { struct sk_buff *skb; void *skbhead = NULL; void *skbprev = NULL; dhd_if_t *ifp; ASSERT(!PKTISCHAINED(p)); skb = PKTTONATIVE(dhdp->osh, p); ifp = dhdp->info->iflist[ifidx]; skb->dev = ifp->net; skb->protocol = eth_type_trans(skb, skb->dev); if (in_interrupt()) { bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); netif_rx(skb); } else { if (dhdp->info->rxthread_enabled) { if (!skbhead) { skbhead = skb; } else { PKTSETNEXT(dhdp->osh, skbprev, skb); } skbprev = skb; } else { /* If the receive is not processed inside an ISR, * the softirqd must be woken explicitly to service * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled * by netif_rx_ni(), but in earlier kernels, we need * to do it manually. */ bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); #if defined(WL_MONITOR) && defined(BCMSDIO) if (dhd_monitor_enabled(dhdp, ifidx)) dhd_rx_mon_pkt_sdio(dhdp, skb, ifidx); else #endif /* WL_MONITOR && BCMSDIO */ netif_rx_ni(skb); } } if (dhdp->info->rxthread_enabled && skbhead) dhd_sched_rxf(dhdp, skbhead); return BCME_OK; } int BCMFASTPATH __dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf) { int ret = BCME_OK; dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); struct ether_header *eh = NULL; bool pkt_ether_type_802_1x = FALSE; uint8 pkt_flow_prio; #if defined(DHD_L2_FILTER) dhd_if_t *ifp = dhd_get_ifp(dhdp, ifidx); #endif // endif /* Reject if down */ if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) { /* free the packet here since the caller won't */ PKTCFREE(dhdp->osh, pktbuf, TRUE); return -ENODEV; } #ifdef PCIE_FULL_DONGLE if (dhdp->busstate == DHD_BUS_SUSPEND) { DHD_ERROR(("%s : pcie is still in suspend state!!\n", __FUNCTION__)); PKTCFREE(dhdp->osh, pktbuf, TRUE); return NETDEV_TX_BUSY; } #endif /* PCIE_FULL_DONGLE */ /* Reject if pktlen > MAX_MTU_SZ */ if (PKTLEN(dhdp->osh, pktbuf) > MAX_MTU_SZ) { /* free the packet here since the caller won't */ dhdp->tx_big_packets++; PKTCFREE(dhdp->osh, pktbuf, TRUE); return BCME_ERROR; } #ifdef DHD_L2_FILTER /* if dhcp_unicast is enabled, we need to convert the */ /* broadcast DHCP ACK/REPLY packets to Unicast. */ if (ifp->dhcp_unicast) { uint8* mac_addr; uint8* ehptr = NULL; int ret; ret = bcm_l2_filter_get_mac_addr_dhcp_pkt(dhdp->osh, pktbuf, ifidx, &mac_addr); if (ret == BCME_OK) { /* if given mac address having valid entry in sta list * copy the given mac address, and return with BCME_OK */ if (dhd_find_sta(dhdp, ifidx, mac_addr)) { ehptr = PKTDATA(dhdp->osh, pktbuf); bcopy(mac_addr, ehptr + ETHER_DEST_OFFSET, ETHER_ADDR_LEN); } } } if (ifp->grat_arp && DHD_IF_ROLE_AP(dhdp, ifidx)) { if (bcm_l2_filter_gratuitous_arp(dhdp->osh, pktbuf) == BCME_OK) { PKTCFREE(dhdp->osh, pktbuf, TRUE); return BCME_ERROR; } } if (ifp->parp_enable && DHD_IF_ROLE_AP(dhdp, ifidx)) { ret = dhd_l2_filter_pkt_handle(dhdp, ifidx, pktbuf, TRUE); /* Drop the packets if l2 filter has processed it already * otherwise continue with the normal path */ if (ret == BCME_OK) { PKTCFREE(dhdp->osh, pktbuf, TRUE); return BCME_ERROR; } } #endif /* DHD_L2_FILTER */ /* Update multicast statistic */ if (PKTLEN(dhdp->osh, pktbuf) >= ETHER_HDR_LEN) { uint8 *pktdata = (uint8 *)PKTDATA(dhdp->osh, pktbuf); eh = (struct ether_header *)pktdata; if (ETHER_ISMULTI(eh->ether_dhost)) dhdp->tx_multicast++; if (ntoh16(eh->ether_type) == ETHER_TYPE_802_1X) { #ifdef DHD_LOSSLESS_ROAMING uint8 prio = (uint8)PKTPRIO(pktbuf); /* back up 802.1x's priority */ dhdp->prio_8021x = prio; #endif /* DHD_LOSSLESS_ROAMING */ pkt_ether_type_802_1x = TRUE; DBG_EVENT_LOG(dhdp, WIFI_EVENT_DRIVER_EAPOL_FRAME_TRANSMIT_REQUESTED); atomic_inc(&dhd->pend_8021x_cnt); #if defined(WL_CFG80211) && defined(WL_WPS_SYNC) wl_handle_wps_states(dhd_idx2net(dhdp, ifidx), pktdata, PKTLEN(dhdp->osh, pktbuf), TRUE); #endif /* WL_CFG80211 && WL_WPS_SYNC */ } dhd_dump_pkt(dhdp, ifidx, pktdata, (uint32)PKTLEN(dhdp->osh, pktbuf), TRUE, NULL, NULL); } else { PKTCFREE(dhdp->osh, pktbuf, TRUE); return BCME_ERROR; } { /* Look into the packet and update the packet priority */ #ifndef PKTPRIO_OVERRIDE if (PKTPRIO(pktbuf) == 0) #endif /* !PKTPRIO_OVERRIDE */ { #if defined(QOS_MAP_SET) pktsetprio_qms(pktbuf, wl_get_up_table(dhdp, ifidx), FALSE); #else pktsetprio(pktbuf, FALSE); #endif /* QOS_MAP_SET */ } #ifndef PKTPRIO_OVERRIDE else { /* Some protocols like OZMO use priority values from 256..263. * these are magic values to indicate a specific 802.1d priority. * make sure that priority field is in range of 0..7 */ PKTSETPRIO(pktbuf, PKTPRIO(pktbuf) & 0x7); } #endif /* !PKTPRIO_OVERRIDE */ } BCM_REFERENCE(pkt_ether_type_802_1x); BCM_REFERENCE(pkt_flow_prio); #ifdef SUPPORT_SET_TID dhd_set_tid_based_on_uid(dhdp, pktbuf); #endif /* SUPPORT_SET_TID */ #ifdef PCIE_FULL_DONGLE /* * Lkup the per interface hash table, for a matching flowring. If one is not * available, allocate a unique flowid and add a flowring entry. * The found or newly created flowid is placed into the pktbuf's tag. */ #ifdef DHD_LOSSLESS_ROAMING /* For LLR override and use flowring with prio 7 for 802.1x packets */ if (pkt_ether_type_802_1x) { pkt_flow_prio = PRIO_8021D_NC; } else #endif /* DHD_LOSSLESS_ROAMING */ { pkt_flow_prio = dhdp->flow_prio_map[(PKTPRIO(pktbuf))]; } ret = dhd_flowid_update(dhdp, ifidx, pkt_flow_prio, pktbuf); if (ret != BCME_OK) { PKTCFREE(dhd->pub.osh, pktbuf, TRUE); return ret; } #endif /* PCIE_FULL_DONGLE */ /* terence 20150901: Micky add to ajust the 802.1X priority */ /* Set the 802.1X packet with the highest priority 7 */ if (dhdp->conf->pktprio8021x >= 0) pktset8021xprio(pktbuf, dhdp->conf->pktprio8021x); #ifdef PROP_TXSTATUS if (dhd_wlfc_is_supported(dhdp)) { /* store the interface ID */ DHD_PKTTAG_SETIF(PKTTAG(pktbuf), ifidx); /* store destination MAC in the tag as well */ DHD_PKTTAG_SETDSTN(PKTTAG(pktbuf), eh->ether_dhost); /* decide which FIFO this packet belongs to */ if (ETHER_ISMULTI(eh->ether_dhost)) /* one additional queue index (highest AC + 1) is used for bc/mc queue */ DHD_PKTTAG_SETFIFO(PKTTAG(pktbuf), AC_COUNT); else DHD_PKTTAG_SETFIFO(PKTTAG(pktbuf), WME_PRIO2AC(PKTPRIO(pktbuf))); } else #endif /* PROP_TXSTATUS */ { /* If the protocol uses a data header, apply it */ dhd_prot_hdrpush(dhdp, ifidx, pktbuf); } /* Use bus module to send data frame */ #ifdef PROP_TXSTATUS { if (dhd_wlfc_commit_packets(dhdp, (f_commitpkt_t)dhd_bus_txdata, dhdp->bus, pktbuf, TRUE) == WLFC_UNSUPPORTED) { /* non-proptxstatus way */ #ifdef BCMPCIE ret = dhd_bus_txdata(dhdp->bus, pktbuf, (uint8)ifidx); #else ret = dhd_bus_txdata(dhdp->bus, pktbuf); #endif /* BCMPCIE */ } } #else #ifdef BCMPCIE ret = dhd_bus_txdata(dhdp->bus, pktbuf, (uint8)ifidx); #else ret = dhd_bus_txdata(dhdp->bus, pktbuf); #endif /* BCMPCIE */ #endif /* PROP_TXSTATUS */ #ifdef BCMDBUS if (ret) PKTCFREE(dhdp->osh, pktbuf, TRUE); #endif /* BCMDBUS */ return ret; } int BCMFASTPATH dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf) { int ret = 0; unsigned long flags; dhd_if_t *ifp; DHD_GENERAL_LOCK(dhdp, flags); ifp = dhd_get_ifp(dhdp, ifidx); if (!ifp || ifp->del_in_progress) { DHD_ERROR(("%s: ifp:%p del_in_progress:%d\n", __FUNCTION__, ifp, ifp ? ifp->del_in_progress : 0)); DHD_GENERAL_UNLOCK(dhdp, flags); PKTCFREE(dhdp->osh, pktbuf, TRUE); return -ENODEV; } if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhdp)) { DHD_ERROR(("%s: returning as busstate=%d\n", __FUNCTION__, dhdp->busstate)); DHD_GENERAL_UNLOCK(dhdp, flags); PKTCFREE(dhdp->osh, pktbuf, TRUE); return -ENODEV; } DHD_IF_SET_TX_ACTIVE(ifp, DHD_TX_SEND_PKT); DHD_BUS_BUSY_SET_IN_SEND_PKT(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); DHD_GENERAL_LOCK(dhdp, flags); if (DHD_BUS_CHECK_SUSPEND_OR_SUSPEND_IN_PROGRESS(dhdp)) { DHD_ERROR(("%s: bus is in suspend(%d) or suspending(0x%x) state!!\n", __FUNCTION__, dhdp->busstate, dhdp->dhd_bus_busy_state)); DHD_BUS_BUSY_CLEAR_IN_SEND_PKT(dhdp); DHD_IF_CLR_TX_ACTIVE(ifp, DHD_TX_SEND_PKT); dhd_os_tx_completion_wake(dhdp); dhd_os_busbusy_wake(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); PKTCFREE(dhdp->osh, pktbuf, TRUE); return -ENODEV; } DHD_GENERAL_UNLOCK(dhdp, flags); ret = __dhd_sendpkt(dhdp, ifidx, pktbuf); DHD_GENERAL_LOCK(dhdp, flags); DHD_BUS_BUSY_CLEAR_IN_SEND_PKT(dhdp); DHD_IF_CLR_TX_ACTIVE(ifp, DHD_TX_SEND_PKT); dhd_os_tx_completion_wake(dhdp); dhd_os_busbusy_wake(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); return ret; } int BCMFASTPATH dhd_start_xmit(struct sk_buff *skb, struct net_device *net) { int ret; uint datalen; void *pktbuf; dhd_info_t *dhd = DHD_DEV_INFO(net); dhd_if_t *ifp = NULL; int ifidx; unsigned long flags; uint8 htsfdlystat_sz = 0; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); if (dhd_query_bus_erros(&dhd->pub)) { return -ENODEV; } DHD_GENERAL_LOCK(&dhd->pub, flags); DHD_BUS_BUSY_SET_IN_TX(&dhd->pub); DHD_GENERAL_UNLOCK(&dhd->pub, flags); DHD_GENERAL_LOCK(&dhd->pub, flags); #ifdef BCMPCIE if (DHD_BUS_CHECK_SUSPEND_OR_SUSPEND_IN_PROGRESS(&dhd->pub)) { DHD_ERROR(("%s: bus is in suspend(%d) or suspending(0x%x) state!!\n", __FUNCTION__, dhd->pub.busstate, dhd->pub.dhd_bus_busy_state)); DHD_BUS_BUSY_CLEAR_IN_TX(&dhd->pub); #ifdef PCIE_FULL_DONGLE /* Stop tx queues if suspend is in progress */ if (DHD_BUS_CHECK_ANY_SUSPEND_IN_PROGRESS(&dhd->pub)) { dhd_bus_stop_queue(dhd->pub.bus); } #endif /* PCIE_FULL_DONGLE */ dhd_os_busbusy_wake(&dhd->pub); DHD_GENERAL_UNLOCK(&dhd->pub, flags); return NETDEV_TX_BUSY; } #else if (DHD_BUS_CHECK_SUSPEND_OR_SUSPEND_IN_PROGRESS(&dhd->pub)) { DHD_ERROR(("%s: bus is in suspend(%d) or suspending(0x%x) state!!\n", __FUNCTION__, dhd->pub.busstate, dhd->pub.dhd_bus_busy_state)); } #endif DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); /* Reject if down */ if (dhd->pub.hang_was_sent || DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(&dhd->pub)) { DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d \n", __FUNCTION__, dhd->pub.up, dhd->pub.busstate)); netif_stop_queue(net); /* Send Event when bus down detected during data session */ if (dhd->pub.up && !dhd->pub.hang_was_sent && !DHD_BUS_CHECK_REMOVE(&dhd->pub)) { DHD_ERROR(("%s: Event HANG sent up\n", __FUNCTION__)); dhd->pub.hang_reason = HANG_REASON_BUS_DOWN; net_os_send_hang_message(net); } DHD_BUS_BUSY_CLEAR_IN_TX(&dhd->pub); dhd_os_busbusy_wake(&dhd->pub); DHD_GENERAL_UNLOCK(&dhd->pub, flags); DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); DHD_OS_WAKE_UNLOCK(&dhd->pub); return NETDEV_TX_BUSY; } ifp = DHD_DEV_IFP(net); ifidx = DHD_DEV_IFIDX(net); if (!ifp || (ifidx == DHD_BAD_IF) || ifp->del_in_progress) { DHD_ERROR(("%s: ifidx %d ifp:%p del_in_progress:%d\n", __FUNCTION__, ifidx, ifp, (ifp ? ifp->del_in_progress : 0))); netif_stop_queue(net); DHD_BUS_BUSY_CLEAR_IN_TX(&dhd->pub); dhd_os_busbusy_wake(&dhd->pub); DHD_GENERAL_UNLOCK(&dhd->pub, flags); DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); DHD_OS_WAKE_UNLOCK(&dhd->pub); return NETDEV_TX_BUSY; } DHD_IF_SET_TX_ACTIVE(ifp, DHD_TX_START_XMIT); DHD_GENERAL_UNLOCK(&dhd->pub, flags); ASSERT(ifidx == dhd_net2idx(dhd, net)); ASSERT((ifp != NULL) && ((ifidx < DHD_MAX_IFS) && (ifp == dhd->iflist[ifidx]))); bcm_object_trace_opr(skb, BCM_OBJDBG_ADD_PKT, __FUNCTION__, __LINE__); /* re-align socket buffer if "skb->data" is odd address */ if (((unsigned long)(skb->data)) & 0x1) { unsigned char *data = skb->data; uint32 length = skb->len; PKTPUSH(dhd->pub.osh, skb, 1); memmove(skb->data, data, length); PKTSETLEN(dhd->pub.osh, skb, length); } datalen = PKTLEN(dhd->pub.osh, skb); #ifdef HOST_TPUT_TEST dhd_os_sdlock_txq(&dhd->pub); dhd->pub.net_len += datalen; dhd_os_sdunlock_txq(&dhd->pub); if ((dhd->pub.conf->data_drop_mode == XMIT_DROP) && (PKTLEN(dhd->pub.osh, skb) > 500)) { dev_kfree_skb(skb); return NETDEV_TX_OK; } #endif /* Make sure there's enough room for any header */ if (skb_headroom(skb) < dhd->pub.hdrlen + htsfdlystat_sz) { struct sk_buff *skb2; DHD_INFO(("%s: insufficient headroom\n", dhd_ifname(&dhd->pub, ifidx))); dhd->pub.tx_realloc++; bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen + htsfdlystat_sz); dev_kfree_skb(skb); if ((skb = skb2) == NULL) { DHD_ERROR(("%s: skb_realloc_headroom failed\n", dhd_ifname(&dhd->pub, ifidx))); ret = -ENOMEM; goto done; } bcm_object_trace_opr(skb, BCM_OBJDBG_ADD_PKT, __FUNCTION__, __LINE__); } /* move from dhdsdio_sendfromq(), try to orphan skb early */ if (dhd->pub.conf->orphan_move == 2) PKTORPHAN(skb, dhd->pub.conf->tsq); else if (dhd->pub.conf->orphan_move == 3) skb_orphan(skb); /* Convert to packet */ if (!(pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb))) { DHD_ERROR(("%s: PKTFRMNATIVE failed\n", dhd_ifname(&dhd->pub, ifidx))); bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); dev_kfree_skb_any(skb); ret = -ENOMEM; goto done; } #ifdef DHD_WET /* wet related packet proto manipulation should be done in DHD since dongle doesn't have complete payload */ if (WET_ENABLED(&dhd->pub) && (dhd_wet_send_proc(dhd->pub.wet_info, pktbuf, &pktbuf) < 0)) { DHD_INFO(("%s:%s: wet send proc failed\n", __FUNCTION__, dhd_ifname(&dhd->pub, ifidx))); PKTFREE(dhd->pub.osh, pktbuf, FALSE); ret = -EFAULT; goto done; } #endif /* DHD_WET */ #ifdef DHD_PSTA /* PSR related packet proto manipulation should be done in DHD * since dongle doesn't have complete payload */ if (PSR_ENABLED(&dhd->pub) && (dhd_psta_proc(&dhd->pub, ifidx, &pktbuf, TRUE) < 0)) { DHD_ERROR(("%s:%s: psta send proc failed\n", __FUNCTION__, dhd_ifname(&dhd->pub, ifidx))); } #endif /* DHD_PSTA */ #ifdef DHDTCPSYNC_FLOOD_BLK if (dhd_tcpdata_get_flag(&dhd->pub, pktbuf) == FLAG_SYNCACK) { ifp->tsyncack_txed ++; } #endif /* DHDTCPSYNC_FLOOD_BLK */ #ifdef DHDTCPACK_SUPPRESS if (dhd->pub.tcpack_sup_mode == TCPACK_SUP_HOLD) { /* If this packet has been hold or got freed, just return */ if (dhd_tcpack_hold(&dhd->pub, pktbuf, ifidx)) { ret = 0; goto done; } } else { /* If this packet has replaced another packet and got freed, just return */ if (dhd_tcpack_suppress(&dhd->pub, pktbuf)) { ret = 0; goto done; } } #endif /* DHDTCPACK_SUPPRESS */ /* * If Load Balance is enabled queue the packet * else send directly from here. */ #if defined(DHD_LB_TXP) ret = dhd_lb_sendpkt(dhd, net, ifidx, pktbuf); #else ret = __dhd_sendpkt(&dhd->pub, ifidx, pktbuf); #endif // endif done: if (ret) { ifp->stats.tx_dropped++; dhd->pub.tx_dropped++; } else { #ifdef PROP_TXSTATUS /* tx_packets counter can counted only when wlfc is disabled */ if (!dhd_wlfc_is_supported(&dhd->pub)) #endif // endif { dhd->pub.tx_packets++; ifp->stats.tx_packets++; ifp->stats.tx_bytes += datalen; } } DHD_GENERAL_LOCK(&dhd->pub, flags); DHD_BUS_BUSY_CLEAR_IN_TX(&dhd->pub); DHD_IF_CLR_TX_ACTIVE(ifp, DHD_TX_START_XMIT); dhd_os_tx_completion_wake(&dhd->pub); dhd_os_busbusy_wake(&dhd->pub); DHD_GENERAL_UNLOCK(&dhd->pub, flags); DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), lock_taken); DHD_OS_WAKE_UNLOCK(&dhd->pub); /* Return ok: we always eat the packet */ return NETDEV_TX_OK; } #ifdef DHD_PCIE_NATIVE_RUNTIMEPM void dhd_rx_wq_wakeup(struct work_struct *ptr) { struct dhd_rx_tx_work *work; struct dhd_pub * pub; work = container_of(ptr, struct dhd_rx_tx_work, work); pub = work->pub; DHD_RPM(("%s: ENTER. \n", __FUNCTION__)); if (atomic_read(&pub->block_bus) || pub->busstate == DHD_BUS_DOWN) { return; } DHD_OS_WAKE_LOCK(pub); if (pm_runtime_get_sync(dhd_bus_to_dev(pub->bus)) >= 0) { // do nothing but wakeup the bus. pm_runtime_mark_last_busy(dhd_bus_to_dev(pub->bus)); pm_runtime_put_autosuspend(dhd_bus_to_dev(pub->bus)); } DHD_OS_WAKE_UNLOCK(pub); kfree(work); } void dhd_start_xmit_wq_adapter(struct work_struct *ptr) { struct dhd_rx_tx_work *work; int ret; dhd_info_t *dhd; struct dhd_bus * bus; work = container_of(ptr, struct dhd_rx_tx_work, work); dhd = DHD_DEV_INFO(work->net); bus = dhd->pub.bus; if (atomic_read(&dhd->pub.block_bus)) { kfree_skb(work->skb); kfree(work); dhd_netif_start_queue(bus); return; } if (pm_runtime_get_sync(dhd_bus_to_dev(bus)) >= 0) { ret = dhd_start_xmit(work->skb, work->net); pm_runtime_mark_last_busy(dhd_bus_to_dev(bus)); pm_runtime_put_autosuspend(dhd_bus_to_dev(bus)); } kfree(work); dhd_netif_start_queue(bus); if (ret) netdev_err(work->net, "error: dhd_start_xmit():%d\n", ret); } int BCMFASTPATH dhd_start_xmit_wrapper(struct sk_buff *skb, struct net_device *net) { struct dhd_rx_tx_work *start_xmit_work; int ret; dhd_info_t *dhd = DHD_DEV_INFO(net); if (dhd->pub.busstate == DHD_BUS_SUSPEND) { DHD_RPM(("%s: wakeup the bus using workqueue.\n", __FUNCTION__)); dhd_netif_stop_queue(dhd->pub.bus); start_xmit_work = (struct dhd_rx_tx_work*) kmalloc(sizeof(*start_xmit_work), GFP_ATOMIC); if (!start_xmit_work) { netdev_err(net, "error: failed to alloc start_xmit_work\n"); ret = -ENOMEM; goto exit; } INIT_WORK(&start_xmit_work->work, dhd_start_xmit_wq_adapter); start_xmit_work->skb = skb; start_xmit_work->net = net; queue_work(dhd->tx_wq, &start_xmit_work->work); ret = NET_XMIT_SUCCESS; } else if (dhd->pub.busstate == DHD_BUS_DATA) { ret = dhd_start_xmit(skb, net); } else { /* when bus is down */ ret = -ENODEV; } exit: return ret; } void dhd_bus_wakeup_work(dhd_pub_t *dhdp) { struct dhd_rx_tx_work *rx_work; dhd_info_t *dhd = (dhd_info_t *)dhdp->info; rx_work = kmalloc(sizeof(*rx_work), GFP_ATOMIC); if (!rx_work) { DHD_ERROR(("%s: start_rx_work alloc error. \n", __FUNCTION__)); return; } INIT_WORK(&rx_work->work, dhd_rx_wq_wakeup); rx_work->pub = dhdp; queue_work(dhd->rx_wq, &rx_work->work); } #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ static void __dhd_txflowcontrol(dhd_pub_t *dhdp, struct net_device *net, bool state) { if ((state == ON) && (dhdp->txoff == FALSE)) { netif_stop_queue(net); dhd_prot_update_pktid_txq_stop_cnt(dhdp); } else if (state == ON) { DHD_INFO(("%s: Netif Queue has already stopped\n", __FUNCTION__)); } if ((state == OFF) && (dhdp->txoff == TRUE)) { netif_wake_queue(net); dhd_prot_update_pktid_txq_start_cnt(dhdp); } else if (state == OFF) { DHD_INFO(("%s: Netif Queue has already started\n", __FUNCTION__)); } } void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state) { struct net_device *net; dhd_info_t *dhd = dhdp->info; int i; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); ASSERT(dhd); #ifdef DHD_LOSSLESS_ROAMING /* block flowcontrol during roaming */ if ((dhdp->dequeue_prec_map == 1 << PRIO_8021D_NC) && state == ON) { return; } #endif // endif if (ifidx == ALL_INTERFACES) { for (i = 0; i < DHD_MAX_IFS; i++) { if (dhd->iflist[i]) { net = dhd->iflist[i]->net; __dhd_txflowcontrol(dhdp, net, state); } } } else { if (dhd->iflist[ifidx]) { net = dhd->iflist[ifidx]->net; __dhd_txflowcontrol(dhdp, net, state); } } dhdp->txoff = state; } #ifdef DHD_MCAST_REGEN /* * Description: This function is called to do the reverse translation * * Input eh - pointer to the ethernet header */ int32 dhd_mcast_reverse_translation(struct ether_header *eh) { uint8 *iph; uint32 dest_ip; iph = (uint8 *)eh + ETHER_HDR_LEN; dest_ip = ntoh32(*((uint32 *)(iph + IPV4_DEST_IP_OFFSET))); /* Only IP packets are handled */ if (eh->ether_type != hton16(ETHER_TYPE_IP)) return BCME_ERROR; /* Non-IPv4 multicast packets are not handled */ if (IP_VER(iph) != IP_VER_4) return BCME_ERROR; /* * The packet has a multicast IP and unicast MAC. That means * we have to do the reverse translation */ if (IPV4_ISMULTI(dest_ip) && !ETHER_ISMULTI(&eh->ether_dhost)) { ETHER_FILL_MCAST_ADDR_FROM_IP(eh->ether_dhost, dest_ip); return BCME_OK; } return BCME_ERROR; } #endif /* MCAST_REGEN */ #ifdef SHOW_LOGTRACE static void dhd_netif_rx_ni(struct sk_buff * skb) { /* Do not call netif_recieve_skb as this workqueue scheduler is * not from NAPI Also as we are not in INTR context, do not call * netif_rx, instead call netif_rx_ni (for kerenl >= 2.6) which * does netif_rx, disables irq, raise NET_IF_RX softirq and * enables interrupts back */ netif_rx_ni(skb); } static int dhd_event_logtrace_pkt_process(dhd_pub_t *dhdp, struct sk_buff * skb) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; int ret = BCME_OK; uint datalen; bcm_event_msg_u_t evu; void *data = NULL; void *pktdata = NULL; bcm_event_t *pvt_data; uint pktlen; DHD_TRACE(("%s:Enter\n", __FUNCTION__)); /* In dhd_rx_frame, header is stripped using skb_pull * of size ETH_HLEN, so adjust pktlen accordingly */ pktlen = skb->len + ETH_HLEN; pktdata = (void *)skb_mac_header(skb); ret = wl_host_event_get_data(pktdata, pktlen, &evu); if (ret != BCME_OK) { DHD_ERROR(("%s: wl_host_event_get_data err = %d\n", __FUNCTION__, ret)); goto exit; } datalen = ntoh32(evu.event.datalen); pvt_data = (bcm_event_t *)pktdata; data = &pvt_data[1]; dhd_dbg_trace_evnt_handler(dhdp, data, &dhd->event_data, datalen); exit: return ret; } /* * dhd_event_logtrace_process_items processes * each skb from evt_trace_queue. * Returns TRUE if more packets to be processed * else returns FALSE */ static int dhd_event_logtrace_process_items(dhd_info_t *dhd) { dhd_pub_t *dhdp; struct sk_buff *skb; uint32 qlen; uint32 process_len; if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return 0; } dhdp = &dhd->pub; if (!dhdp) { DHD_ERROR(("%s: dhd pub is null \n", __FUNCTION__)); return 0; } qlen = skb_queue_len(&dhd->evt_trace_queue); process_len = MIN(qlen, DHD_EVENT_LOGTRACE_BOUND); /* Run while loop till bound is reached or skb queue is empty */ while (process_len--) { int ifid = 0; skb = skb_dequeue(&dhd->evt_trace_queue); if (skb == NULL) { DHD_ERROR(("%s: skb is NULL, which is not valid case\n", __FUNCTION__)); break; } BCM_REFERENCE(ifid); #ifdef PCIE_FULL_DONGLE /* Check if pkt is from INFO ring or WLC_E_TRACE */ ifid = DHD_PKTTAG_IFID((dhd_pkttag_fr_t *)PKTTAG(skb)); if (ifid == DHD_DUMMY_INFO_IF) { /* Process logtrace from info rings */ dhd_event_logtrace_infobuf_pkt_process(dhdp, skb, &dhd->event_data); } else #endif /* PCIE_FULL_DONGLE */ { /* Processing WLC_E_TRACE case OR non PCIE PCIE_FULL_DONGLE case */ dhd_event_logtrace_pkt_process(dhdp, skb); } /* Dummy sleep so that scheduler kicks in after processing any logprints */ OSL_SLEEP(0); /* Send packet up if logtrace_pkt_sendup is TRUE */ if (dhdp->logtrace_pkt_sendup) { #ifdef DHD_USE_STATIC_CTRLBUF /* If bufs are allocated via static buf pool * and logtrace_pkt_sendup enabled, make a copy, * free the local one and send the copy up. */ void *npkt = PKTDUP(dhdp->osh, skb); /* Clone event and send it up */ PKTFREE_STATIC(dhdp->osh, skb, FALSE); if (npkt) { skb = npkt; } else { DHD_ERROR(("skb clone failed. dropping logtrace pkt.\n")); /* Packet is already freed, go to next packet */ continue; } #endif /* DHD_USE_STATIC_CTRLBUF */ #ifdef PCIE_FULL_DONGLE /* For infobuf packets as if is DHD_DUMMY_INFO_IF, * to send skb to network layer, assign skb->dev with * Primary interface n/w device */ if (ifid == DHD_DUMMY_INFO_IF) { skb = PKTTONATIVE(dhdp->osh, skb); skb->dev = dhd->iflist[0]->net; } #endif /* PCIE_FULL_DONGLE */ /* Send pkt UP */ dhd_netif_rx_ni(skb); } else { /* Don't send up. Free up the packet. */ #ifdef DHD_USE_STATIC_CTRLBUF PKTFREE_STATIC(dhdp->osh, skb, FALSE); #else PKTFREE(dhdp->osh, skb, FALSE); #endif /* DHD_USE_STATIC_CTRLBUF */ } } /* Reschedule if more packets to be processed */ return (qlen >= DHD_EVENT_LOGTRACE_BOUND); } #ifdef DHD_USE_KTHREAD_FOR_LOGTRACE static int dhd_logtrace_thread(void *data) { tsk_ctl_t *tsk = (tsk_ctl_t *)data; dhd_info_t *dhd = (dhd_info_t *)tsk->parent; dhd_pub_t *dhdp = (dhd_pub_t *)&dhd->pub; int ret; while (1) { dhdp->logtrace_thr_ts.entry_time = OSL_LOCALTIME_NS(); if (!binary_sema_down(tsk)) { dhdp->logtrace_thr_ts.sem_down_time = OSL_LOCALTIME_NS(); SMP_RD_BARRIER_DEPENDS(); if (dhd->pub.dongle_reset == FALSE) { do { /* Check terminated before processing the items */ if (tsk->terminated) { DHD_ERROR(("%s: task terminated\n", __FUNCTION__)); goto exit; } #ifdef EWP_EDL /* check if EDL is being used */ if (dhd->pub.dongle_edl_support) { ret = dhd_prot_process_edl_complete(&dhd->pub, &dhd->event_data); } else { ret = dhd_event_logtrace_process_items(dhd); } #else ret = dhd_event_logtrace_process_items(dhd); #endif /* EWP_EDL */ /* if ret > 0, bound has reached so to be fair to other * processes need to yield the scheduler. * The comment above yield()'s definition says: * If you want to use yield() to wait for something, * use wait_event(). * If you want to use yield() to be 'nice' for others, * use cond_resched(). * If you still want to use yield(), do not! */ if (ret > 0) { cond_resched(); OSL_SLEEP(DHD_EVENT_LOGTRACE_RESCHEDULE_DELAY_MS); } else if (ret < 0) { DHD_ERROR(("%s: ERROR should not reach here\n", __FUNCTION__)); } } while (ret > 0); } if (tsk->flush_ind) { DHD_ERROR(("%s: flushed\n", __FUNCTION__)); dhdp->logtrace_thr_ts.flush_time = OSL_LOCALTIME_NS(); tsk->flush_ind = 0; complete(&tsk->flushed); } } else { DHD_ERROR(("%s: unexpted break\n", __FUNCTION__)); dhdp->logtrace_thr_ts.unexpected_break_time = OSL_LOCALTIME_NS(); break; } } exit: complete_and_exit(&tsk->completed, 0); dhdp->logtrace_thr_ts.complete_time = OSL_LOCALTIME_NS(); } #else static void dhd_event_logtrace_process(struct work_struct * work) { int ret = 0; /* Ignore compiler warnings due to -Werror=cast-qual */ #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif struct delayed_work *dw = to_delayed_work(work); struct dhd_info *dhd = container_of(dw, struct dhd_info, event_log_dispatcher_work); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif #ifdef EWP_EDL if (dhd->pub.dongle_edl_support) { ret = dhd_prot_process_edl_complete(&dhd->pub, &dhd->event_data); } else { ret = dhd_event_logtrace_process_items(dhd); } #else ret = dhd_event_logtrace_process_items(dhd); #endif /* EWP_EDL */ if (ret > 0) { schedule_delayed_work(&(dhd)->event_log_dispatcher_work, msecs_to_jiffies(DHD_EVENT_LOGTRACE_RESCHEDULE_DELAY_MS)); } return; } #endif /* DHD_USE_KTHREAD_FOR_LOGTRACE */ void dhd_schedule_logtrace(void *dhd_info) { dhd_info_t *dhd = (dhd_info_t *)dhd_info; #ifdef DHD_USE_KTHREAD_FOR_LOGTRACE if (dhd->thr_logtrace_ctl.thr_pid >= 0) { binary_sema_up(&dhd->thr_logtrace_ctl); } else { DHD_ERROR(("%s: thr_logtrace_ctl(%ld) not inited\n", __FUNCTION__, dhd->thr_logtrace_ctl.thr_pid)); } #else schedule_delayed_work(&dhd->event_log_dispatcher_work, 0); #endif /* DHD_USE_KTHREAD_FOR_LOGTRACE */ return; } void dhd_cancel_logtrace_process_sync(dhd_info_t *dhd) { #ifdef DHD_USE_KTHREAD_FOR_LOGTRACE if (dhd->thr_logtrace_ctl.thr_pid >= 0) { PROC_STOP_USING_BINARY_SEMA(&dhd->thr_logtrace_ctl); } else { DHD_ERROR(("%s: thr_logtrace_ctl(%ld) not inited\n", __FUNCTION__, dhd->thr_logtrace_ctl.thr_pid)); } #else cancel_delayed_work_sync(&dhd->event_log_dispatcher_work); #endif /* DHD_USE_KTHREAD_FOR_LOGTRACE */ } void dhd_flush_logtrace_process(dhd_info_t *dhd) { #ifdef DHD_USE_KTHREAD_FOR_LOGTRACE if (dhd->thr_logtrace_ctl.thr_pid >= 0) { PROC_FLUSH_USING_BINARY_SEMA(&dhd->thr_logtrace_ctl); } else { DHD_ERROR(("%s: thr_logtrace_ctl(%ld) not inited\n", __FUNCTION__, dhd->thr_logtrace_ctl.thr_pid)); } #else flush_delayed_work(&dhd->event_log_dispatcher_work); #endif /* DHD_USE_KTHREAD_FOR_LOGTRACE */ } int dhd_init_logtrace_process(dhd_info_t *dhd) { #ifdef DHD_USE_KTHREAD_FOR_LOGTRACE dhd->thr_logtrace_ctl.thr_pid = DHD_PID_KT_INVALID; PROC_START(dhd_logtrace_thread, dhd, &dhd->thr_logtrace_ctl, 0, "dhd_logtrace_thread"); if (dhd->thr_logtrace_ctl.thr_pid < 0) { DHD_ERROR(("%s: init logtrace process failed\n", __FUNCTION__)); return BCME_ERROR; } else { DHD_ERROR(("%s: thr_logtrace_ctl(%ld) succedded\n", __FUNCTION__, dhd->thr_logtrace_ctl.thr_pid)); } #else INIT_DELAYED_WORK(&dhd->event_log_dispatcher_work, dhd_event_logtrace_process); #endif /* DHD_USE_KTHREAD_FOR_LOGTRACE */ return BCME_OK; } int dhd_reinit_logtrace_process(dhd_info_t *dhd) { #ifdef DHD_USE_KTHREAD_FOR_LOGTRACE /* Re-init only if PROC_STOP from dhd_stop was called * which can be checked via thr_pid */ if (dhd->thr_logtrace_ctl.thr_pid < 0) { PROC_START(dhd_logtrace_thread, dhd, &dhd->thr_logtrace_ctl, 0, "dhd_logtrace_thread"); if (dhd->thr_logtrace_ctl.thr_pid < 0) { DHD_ERROR(("%s: reinit logtrace process failed\n", __FUNCTION__)); return BCME_ERROR; } else { DHD_ERROR(("%s: thr_logtrace_ctl(%ld) succedded\n", __FUNCTION__, dhd->thr_logtrace_ctl.thr_pid)); } } #else /* No need to re-init for WQ as calcel_delayed_work_sync will * will not delete the WQ */ #endif /* DHD_USE_KTHREAD_FOR_LOGTRACE */ return BCME_OK; } void dhd_event_logtrace_enqueue(dhd_pub_t *dhdp, int ifidx, void *pktbuf) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; #ifdef PCIE_FULL_DONGLE /* Add ifidx in the PKTTAG */ DHD_PKTTAG_SET_IFID((dhd_pkttag_fr_t *)PKTTAG(pktbuf), ifidx); #endif /* PCIE_FULL_DONGLE */ skb_queue_tail(&dhd->evt_trace_queue, pktbuf); dhd_schedule_logtrace(dhd); } void dhd_event_logtrace_flush_queue(dhd_pub_t *dhdp) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; struct sk_buff *skb; while ((skb = skb_dequeue(&dhd->evt_trace_queue)) != NULL) { #ifdef DHD_USE_STATIC_CTRLBUF PKTFREE_STATIC(dhdp->osh, skb, FALSE); #else PKTFREE(dhdp->osh, skb, FALSE); #endif /* DHD_USE_STATIC_CTRLBUF */ } } void dhd_sendup_info_buf(dhd_pub_t *dhdp, uint8 *msg) { struct sk_buff *skb = NULL; uint32 pktsize = 0; void *pkt = NULL; info_buf_payload_hdr_t *infobuf = NULL; dhd_info_t *dhd = dhdp->info; uint8 *pktdata = NULL; if (!msg) return; /* msg = |infobuf_ver(u32)|info_buf_payload_hdr_t|msgtrace_hdr_t|| */ infobuf = (info_buf_payload_hdr_t *)(msg + sizeof(uint32)); pktsize = (uint32)(ltoh16(infobuf->length) + sizeof(info_buf_payload_hdr_t) + sizeof(uint32)); pkt = PKTGET(dhdp->osh, pktsize, FALSE); if (!pkt) { DHD_ERROR(("%s: skb alloc failed ! not sending event log up.\n", __FUNCTION__)); } else { PKTSETLEN(dhdp->osh, pkt, pktsize); pktdata = PKTDATA(dhdp->osh, pkt); memcpy(pktdata, msg, pktsize); /* For infobuf packets assign skb->dev with * Primary interface n/w device */ skb = PKTTONATIVE(dhdp->osh, pkt); skb->dev = dhd->iflist[0]->net; /* Send pkt UP */ dhd_netif_rx_ni(skb); } } #endif /* SHOW_LOGTRACE */ /** Called when a frame is received by the dongle on interface 'ifidx' */ void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, void *pktbuf, int numpkt, uint8 chan) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; struct sk_buff *skb; uchar *eth; uint len; void *data, *pnext = NULL; int i; dhd_if_t *ifp; wl_event_msg_t event; int tout_rx = 0; int tout_ctrl = 0; void *skbhead = NULL; void *skbprev = NULL; uint16 protocol; unsigned char *dump_data; #ifdef DHD_MCAST_REGEN uint8 interface_role; if_flow_lkup_t *if_flow_lkup; unsigned long flags; #endif // endif #ifdef DHD_WAKE_STATUS int pkt_wake = 0; wake_counts_t *wcp = NULL; #endif /* DHD_WAKE_STATUS */ DHD_TRACE(("%s: Enter\n", __FUNCTION__)); BCM_REFERENCE(dump_data); for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) { struct ether_header *eh; pnext = PKTNEXT(dhdp->osh, pktbuf); PKTSETNEXT(dhdp->osh, pktbuf, NULL); /* info ring "debug" data, which is not a 802.3 frame, is sent/hacked with a * special ifidx of DHD_DUMMY_INFO_IF. This is just internal to dhd to get the data * from dhd_msgbuf.c:dhd_prot_infobuf_cmplt_process() to here (dhd_rx_frame). */ if (ifidx == DHD_DUMMY_INFO_IF) { /* Event msg printing is called from dhd_rx_frame which is in Tasklet * context in case of PCIe FD, in case of other bus this will be from * DPC context. If we get bunch of events from Dongle then printing all * of them from Tasklet/DPC context that too in data path is costly. * Also in the new Dongle SW(4359, 4355 onwards) console prints too come as * events with type WLC_E_TRACE. * We'll print this console logs from the WorkQueue context by enqueing SKB * here and Dequeuing will be done in WorkQueue and will be freed only if * logtrace_pkt_sendup is TRUE */ #ifdef SHOW_LOGTRACE dhd_event_logtrace_enqueue(dhdp, ifidx, pktbuf); #else /* !SHOW_LOGTRACE */ /* If SHOW_LOGTRACE not defined and ifidx is DHD_DUMMY_INFO_IF, * free the PKT here itself */ #ifdef DHD_USE_STATIC_CTRLBUF PKTFREE_STATIC(dhdp->osh, pktbuf, FALSE); #else PKTFREE(dhdp->osh, pktbuf, FALSE); #endif /* DHD_USE_STATIC_CTRLBUF */ #endif /* SHOW_LOGTRACE */ continue; } #ifdef DHD_WAKE_STATUS #ifdef BCMDBUS wcp = NULL; #else pkt_wake = dhd_bus_get_bus_wake(dhdp); wcp = dhd_bus_get_wakecount(dhdp); #endif /* BCMDBUS */ if (wcp == NULL) { /* If wakeinfo count buffer is null do not update wake count values */ pkt_wake = 0; } #endif /* DHD_WAKE_STATUS */ eh = (struct ether_header *)PKTDATA(dhdp->osh, pktbuf); if (ifidx >= DHD_MAX_IFS) { DHD_ERROR(("%s: ifidx(%d) Out of bound. drop packet\n", __FUNCTION__, ifidx)); if (ntoh16(eh->ether_type) == ETHER_TYPE_BRCM) { #ifdef DHD_USE_STATIC_CTRLBUF PKTFREE_STATIC(dhdp->osh, pktbuf, FALSE); #else PKTFREE(dhdp->osh, pktbuf, FALSE); #endif /* DHD_USE_STATIC_CTRLBUF */ } else { PKTCFREE(dhdp->osh, pktbuf, FALSE); } continue; } ifp = dhd->iflist[ifidx]; if (ifp == NULL) { DHD_ERROR(("%s: ifp is NULL. drop packet\n", __FUNCTION__)); if (ntoh16(eh->ether_type) == ETHER_TYPE_BRCM) { #ifdef DHD_USE_STATIC_CTRLBUF PKTFREE_STATIC(dhdp->osh, pktbuf, FALSE); #else PKTFREE(dhdp->osh, pktbuf, FALSE); #endif /* DHD_USE_STATIC_CTRLBUF */ } else { PKTCFREE(dhdp->osh, pktbuf, FALSE); } continue; } /* Dropping only data packets before registering net device to avoid kernel panic */ #ifndef PROP_TXSTATUS_VSDB if ((!ifp->net || ifp->net->reg_state != NETREG_REGISTERED) && (ntoh16(eh->ether_type) != ETHER_TYPE_BRCM)) #else if ((!ifp->net || ifp->net->reg_state != NETREG_REGISTERED || !dhd->pub.up) && (ntoh16(eh->ether_type) != ETHER_TYPE_BRCM)) #endif /* PROP_TXSTATUS_VSDB */ { DHD_ERROR(("%s: net device is NOT registered yet. drop packet\n", __FUNCTION__)); PKTCFREE(dhdp->osh, pktbuf, FALSE); continue; } #ifdef PROP_TXSTATUS if (dhd_wlfc_is_header_only_pkt(dhdp, pktbuf)) { /* WLFC may send header only packet when there is an urgent message but no packet to piggy-back on */ PKTCFREE(dhdp->osh, pktbuf, FALSE); continue; } #endif // endif #ifdef DHD_L2_FILTER /* If block_ping is enabled drop the ping packet */ if (ifp->block_ping) { if (bcm_l2_filter_block_ping(dhdp->osh, pktbuf) == BCME_OK) { PKTCFREE(dhdp->osh, pktbuf, FALSE); continue; } } if (ifp->grat_arp && DHD_IF_ROLE_STA(dhdp, ifidx)) { if (bcm_l2_filter_gratuitous_arp(dhdp->osh, pktbuf) == BCME_OK) { PKTCFREE(dhdp->osh, pktbuf, FALSE); continue; } } if (ifp->parp_enable && DHD_IF_ROLE_AP(dhdp, ifidx)) { int ret = dhd_l2_filter_pkt_handle(dhdp, ifidx, pktbuf, FALSE); /* Drop the packets if l2 filter has processed it already * otherwise continue with the normal path */ if (ret == BCME_OK) { PKTCFREE(dhdp->osh, pktbuf, TRUE); continue; } } if (ifp->block_tdls) { if (bcm_l2_filter_block_tdls(dhdp->osh, pktbuf) == BCME_OK) { PKTCFREE(dhdp->osh, pktbuf, FALSE); continue; } } #endif /* DHD_L2_FILTER */ #ifdef DHD_MCAST_REGEN DHD_FLOWID_LOCK(dhdp->flowid_lock, flags); if_flow_lkup = (if_flow_lkup_t *)dhdp->if_flow_lkup; ASSERT(if_flow_lkup); interface_role = if_flow_lkup[ifidx].role; DHD_FLOWID_UNLOCK(dhdp->flowid_lock, flags); if (ifp->mcast_regen_bss_enable && (interface_role != WLC_E_IF_ROLE_WDS) && !DHD_IF_ROLE_AP(dhdp, ifidx) && ETHER_ISUCAST(eh->ether_dhost)) { if (dhd_mcast_reverse_translation(eh) == BCME_OK) { #ifdef DHD_PSTA /* Change bsscfg to primary bsscfg for unicast-multicast packets */ if ((dhd_get_psta_mode(dhdp) == DHD_MODE_PSTA) || (dhd_get_psta_mode(dhdp) == DHD_MODE_PSR)) { if (ifidx != 0) { /* Let the primary in PSTA interface handle this * frame after unicast to Multicast conversion */ ifp = dhd_get_ifp(dhdp, 0); ASSERT(ifp); } } } #endif /* PSTA */ } #endif /* MCAST_REGEN */ #ifdef DHDTCPSYNC_FLOOD_BLK if (dhd_tcpdata_get_flag(dhdp, pktbuf) == FLAG_SYNC) { int delta_sec; int delta_sync; int sync_per_sec; u64 curr_time = DIV_U64_BY_U32(OSL_LOCALTIME_NS(), NSEC_PER_SEC); ifp->tsync_rcvd ++; delta_sync = ifp->tsync_rcvd - ifp->tsyncack_txed; delta_sec = curr_time - ifp->last_sync; if (delta_sec > 1) { sync_per_sec = delta_sync/delta_sec; if (sync_per_sec > TCP_SYNC_FLOOD_LIMIT) { schedule_work(&ifp->blk_tsfl_work); DHD_ERROR(("ifx %d TCP SYNC Flood attack suspected! " "sync recvied %d pkt/sec \n", ifidx, sync_per_sec)); } dhd_reset_tcpsync_info_by_ifp(ifp); } } #endif /* DHDTCPSYNC_FLOOD_BLK */ #ifdef DHDTCPACK_SUPPRESS dhd_tcpdata_info_get(dhdp, pktbuf); #endif // endif skb = PKTTONATIVE(dhdp->osh, pktbuf); ASSERT(ifp); skb->dev = ifp->net; #ifdef DHD_WET /* wet related packet proto manipulation should be done in DHD * since dongle doesn't have complete payload */ if (WET_ENABLED(&dhd->pub) && (dhd_wet_recv_proc(dhd->pub.wet_info, pktbuf) < 0)) { DHD_INFO(("%s:%s: wet recv proc failed\n", __FUNCTION__, dhd_ifname(dhdp, ifidx))); } #endif /* DHD_WET */ #ifdef DHD_PSTA if (PSR_ENABLED(dhdp) && (dhd_psta_proc(dhdp, ifidx, &pktbuf, FALSE) < 0)) { DHD_ERROR(("%s:%s: psta recv proc failed\n", __FUNCTION__, dhd_ifname(dhdp, ifidx))); } #endif /* DHD_PSTA */ #ifdef PCIE_FULL_DONGLE if ((DHD_IF_ROLE_AP(dhdp, ifidx) || DHD_IF_ROLE_P2PGO(dhdp, ifidx)) && (!ifp->ap_isolate)) { eh = (struct ether_header *)PKTDATA(dhdp->osh, pktbuf); if (ETHER_ISUCAST(eh->ether_dhost)) { if (dhd_find_sta(dhdp, ifidx, (void *)eh->ether_dhost)) { dhd_sendpkt(dhdp, ifidx, pktbuf); continue; } } else { void *npktbuf = NULL; if ((ntoh16(eh->ether_type) != ETHER_TYPE_IAPP_L2_UPDATE) && (npktbuf = PKTDUP(dhdp->osh, pktbuf)) != NULL) { dhd_sendpkt(dhdp, ifidx, npktbuf); } } } #endif /* PCIE_FULL_DONGLE */ #ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT if (IS_STA_IFACE(ndev_to_wdev(ifp->net)) && (ifp->recv_reassoc_evt == TRUE) && (ifp->post_roam_evt == FALSE) && (dhd_is_4way_msg((char *)(skb->data)) == EAPOL_4WAY_M1)) { DHD_ERROR(("%s: Reassoc is in progress. " "Drop EAPOL M1 frame\n", __FUNCTION__)); PKTFREE(dhdp->osh, pktbuf, FALSE); continue; } #endif /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */ /* Get the protocol, maintain skb around eth_type_trans() * The main reason for this hack is for the limitation of * Linux 2.4 where 'eth_type_trans' uses the 'net->hard_header_len' * to perform skb_pull inside vs ETH_HLEN. Since to avoid * coping of the packet coming from the network stack to add * BDC, Hardware header etc, during network interface registration * we set the 'net->hard_header_len' to ETH_HLEN + extra space required * for BDC, Hardware header etc. and not just the ETH_HLEN */ eth = skb->data; len = skb->len; dump_data = skb->data; protocol = (skb->data[12] << 8) | skb->data[13]; if (protocol == ETHER_TYPE_802_1X) { DBG_EVENT_LOG(dhdp, WIFI_EVENT_DRIVER_EAPOL_FRAME_RECEIVED); #if defined(WL_CFG80211) && defined(WL_WPS_SYNC) wl_handle_wps_states(ifp->net, dump_data, len, FALSE); #endif /* WL_CFG80211 && WL_WPS_SYNC */ #ifdef DHD_4WAYM4_FAIL_DISCONNECT if (dhd_is_4way_msg((uint8 *)(skb->data)) == EAPOL_4WAY_M3) { OSL_ATOMIC_SET(dhdp->osh, &ifp->m4state, M3_RXED); } #endif /* DHD_4WAYM4_FAIL_DISCONNECT */ } dhd_dump_pkt(dhdp, ifidx, dump_data, len, FALSE, NULL, NULL); skb->protocol = eth_type_trans(skb, skb->dev); if (skb->pkt_type == PACKET_MULTICAST) { dhd->pub.rx_multicast++; ifp->stats.multicast++; } skb->data = eth; skb->len = len; DHD_DBG_PKT_MON_RX(dhdp, skb); /* Strip header, count, deliver upward */ skb_pull(skb, ETH_HLEN); /* Process special event packets and then discard them */ memset(&event, 0, sizeof(event)); if (ntoh16(skb->protocol) == ETHER_TYPE_BRCM) { bcm_event_msg_u_t evu; int ret_event, event_type; void *pkt_data = skb_mac_header(skb); ret_event = wl_host_event_get_data(pkt_data, len, &evu); if (ret_event != BCME_OK) { DHD_ERROR(("%s: wl_host_event_get_data err = %d\n", __FUNCTION__, ret_event)); #ifdef DHD_USE_STATIC_CTRLBUF PKTFREE_STATIC(dhdp->osh, pktbuf, FALSE); #else PKTFREE(dhdp->osh, pktbuf, FALSE); #endif // endif continue; } memcpy(&event, &evu.event, sizeof(wl_event_msg_t)); event_type = ntoh32_ua((void *)&event.event_type); #ifdef SHOW_LOGTRACE /* Event msg printing is called from dhd_rx_frame which is in Tasklet * context in case of PCIe FD, in case of other bus this will be from * DPC context. If we get bunch of events from Dongle then printing all * of them from Tasklet/DPC context that too in data path is costly. * Also in the new Dongle SW(4359, 4355 onwards) console prints too come as * events with type WLC_E_TRACE. * We'll print this console logs from the WorkQueue context by enqueing SKB * here and Dequeuing will be done in WorkQueue and will be freed only if * logtrace_pkt_sendup is true */ if (event_type == WLC_E_TRACE) { DHD_EVENT(("%s: WLC_E_TRACE\n", __FUNCTION__)); dhd_event_logtrace_enqueue(dhdp, ifidx, pktbuf); continue; } #endif /* SHOW_LOGTRACE */ ret_event = dhd_wl_host_event(dhd, ifidx, pkt_data, len, &event, &data); wl_event_to_host_order(&event); if (!tout_ctrl) tout_ctrl = DHD_PACKET_TIMEOUT_MS; #if defined(PNO_SUPPORT) if (event_type == WLC_E_PFN_NET_FOUND) { /* enforce custom wake lock to garantee that Kernel not suspended */ tout_ctrl = CUSTOM_PNO_EVENT_LOCK_xTIME * DHD_PACKET_TIMEOUT_MS; } #endif /* PNO_SUPPORT */ if (numpkt != 1) { DHD_TRACE(("%s: Got BRCM event packet in a chained packet.\n", __FUNCTION__)); } #ifdef DHD_WAKE_STATUS if (unlikely(pkt_wake)) { #ifdef DHD_WAKE_EVENT_STATUS if (event.event_type < WLC_E_LAST) { wcp->rc_event[event.event_type]++; wcp->rcwake++; pkt_wake = 0; } #endif /* DHD_WAKE_EVENT_STATUS */ } #endif /* DHD_WAKE_STATUS */ /* For delete virtual interface event, wl_host_event returns positive * i/f index, do not proceed. just free the pkt. */ if ((event_type == WLC_E_IF) && (ret_event > 0)) { DHD_ERROR(("%s: interface is deleted. Free event packet\n", __FUNCTION__)); #ifdef DHD_USE_STATIC_CTRLBUF PKTFREE_STATIC(dhdp->osh, pktbuf, FALSE); #else PKTFREE(dhdp->osh, pktbuf, FALSE); #endif // endif continue; } /* * For the event packets, there is a possibility * of ifidx getting modifed.Thus update the ifp * once again. */ ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]); ifp = dhd->iflist[ifidx]; #ifndef PROP_TXSTATUS_VSDB if (!(ifp && ifp->net && (ifp->net->reg_state == NETREG_REGISTERED))) #else if (!(ifp && ifp->net && (ifp->net->reg_state == NETREG_REGISTERED) && dhd->pub.up)) #endif /* PROP_TXSTATUS_VSDB */ { DHD_ERROR(("%s: net device is NOT registered. drop event packet\n", __FUNCTION__)); #ifdef DHD_USE_STATIC_CTRLBUF PKTFREE_STATIC(dhdp->osh, pktbuf, FALSE); #else PKTFREE(dhdp->osh, pktbuf, FALSE); #endif // endif continue; } #ifdef SENDPROB if (dhdp->wl_event_enabled || (dhdp->recv_probereq && (event.event_type == WLC_E_PROBREQ_MSG))) #else if (dhdp->wl_event_enabled) #endif { #ifdef DHD_USE_STATIC_CTRLBUF /* If event bufs are allocated via static buf pool * and wl events are enabled, make a copy, free the * local one and send the copy up. */ void *npkt = PKTDUP(dhdp->osh, skb); /* Clone event and send it up */ PKTFREE_STATIC(dhdp->osh, pktbuf, FALSE); if (npkt) { skb = npkt; } else { DHD_ERROR(("skb clone failed. dropping event.\n")); continue; } #endif /* DHD_USE_STATIC_CTRLBUF */ } else { /* If event enabled not explictly set, drop events */ #ifdef DHD_USE_STATIC_CTRLBUF PKTFREE_STATIC(dhdp->osh, pktbuf, FALSE); #else PKTFREE(dhdp->osh, pktbuf, FALSE); #endif /* DHD_USE_STATIC_CTRLBUF */ continue; } } else { tout_rx = DHD_PACKET_TIMEOUT_MS; #ifdef PROP_TXSTATUS dhd_wlfc_save_rxpath_ac_time(dhdp, (uint8)PKTPRIO(skb)); #endif /* PROP_TXSTATUS */ #ifdef DHD_WAKE_STATUS if (unlikely(pkt_wake)) { wcp->rxwake++; #ifdef DHD_WAKE_RX_STATUS #define ETHER_ICMP6_HEADER 20 #define ETHER_IPV6_SADDR (ETHER_ICMP6_HEADER + 2) #define ETHER_IPV6_DAADR (ETHER_IPV6_SADDR + IPV6_ADDR_LEN) #define ETHER_ICMPV6_TYPE (ETHER_IPV6_DAADR + IPV6_ADDR_LEN) if (ntoh16(skb->protocol) == ETHER_TYPE_ARP) /* ARP */ wcp->rx_arp++; if (dump_data[0] == 0xFF) { /* Broadcast */ wcp->rx_bcast++; } else if (dump_data[0] & 0x01) { /* Multicast */ wcp->rx_mcast++; if (ntoh16(skb->protocol) == ETHER_TYPE_IPV6) { wcp->rx_multi_ipv6++; if ((skb->len > ETHER_ICMP6_HEADER) && (dump_data[ETHER_ICMP6_HEADER] == IPPROTO_ICMPV6)) { wcp->rx_icmpv6++; if (skb->len > ETHER_ICMPV6_TYPE) { switch (dump_data[ETHER_ICMPV6_TYPE]) { case NDISC_ROUTER_ADVERTISEMENT: wcp->rx_icmpv6_ra++; break; case NDISC_NEIGHBOUR_ADVERTISEMENT: wcp->rx_icmpv6_na++; break; case NDISC_NEIGHBOUR_SOLICITATION: wcp->rx_icmpv6_ns++; break; } } } } else if (dump_data[2] == 0x5E) { wcp->rx_multi_ipv4++; } else { wcp->rx_multi_other++; } } else { /* Unicast */ wcp->rx_ucast++; } #undef ETHER_ICMP6_HEADER #undef ETHER_IPV6_SADDR #undef ETHER_IPV6_DAADR #undef ETHER_ICMPV6_TYPE #endif /* DHD_WAKE_RX_STATUS */ pkt_wake = 0; } #endif /* DHD_WAKE_STATUS */ } #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0) ifp->net->last_rx = jiffies; #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0) */ if (ntoh16(skb->protocol) != ETHER_TYPE_BRCM) { dhdp->dstats.rx_bytes += skb->len; dhdp->rx_packets++; /* Local count */ ifp->stats.rx_bytes += skb->len; ifp->stats.rx_packets++; } if (in_interrupt()) { bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); DHD_PERIM_UNLOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); #if defined(WL_MONITOR) && defined(BCMSDIO) if (dhd_monitor_enabled(dhdp, ifidx)) dhd_rx_mon_pkt_sdio(dhdp, skb, ifidx); else #endif /* WL_MONITOR && BCMSDIO */ #if defined(DHD_LB_RXP) netif_receive_skb(skb); #else /* !defined(DHD_LB_RXP) */ netif_rx(skb); #endif /* !defined(DHD_LB_RXP) */ DHD_PERIM_LOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); } else { if (dhd->rxthread_enabled) { if (!skbhead) skbhead = skb; else PKTSETNEXT(dhdp->osh, skbprev, skb); skbprev = skb; } else { /* If the receive is not processed inside an ISR, * the softirqd must be woken explicitly to service * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled * by netif_rx_ni(), but in earlier kernels, we need * to do it manually. */ bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); #if defined(ARGOS_NOTIFY_CB) argos_register_notifier_deinit(); #endif // endif #if defined(BCMPCIE) && defined(DHDTCPACK_SUPPRESS) dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF); #endif /* BCMPCIE && DHDTCPACK_SUPPRESS */ DHD_PERIM_UNLOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); #if defined(DHD_LB_RXP) netif_receive_skb(skb); #else /* !defined(DHD_LB_RXP) */ netif_rx_ni(skb); #endif /* defined(DHD_LB_RXP) */ DHD_PERIM_LOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); } } } if (dhd->rxthread_enabled && skbhead) dhd_sched_rxf(dhdp, skbhead); DHD_OS_WAKE_LOCK_RX_TIMEOUT_ENABLE(dhdp, tout_rx); DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhdp, tout_ctrl); } void dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx) { /* Linux version has nothing to do */ return; } void dhd_txcomplete(dhd_pub_t *dhdp, void *txp, bool success) { dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); struct ether_header *eh; uint16 type; dhd_prot_hdrpull(dhdp, NULL, txp, NULL, NULL); eh = (struct ether_header *)PKTDATA(dhdp->osh, txp); type = ntoh16(eh->ether_type); if (type == ETHER_TYPE_802_1X) { atomic_dec(&dhd->pend_8021x_cnt); } #ifdef PROP_TXSTATUS if (dhdp->wlfc_state && (dhdp->proptxstatus_mode != WLFC_FCMODE_NONE)) { dhd_if_t *ifp = dhd->iflist[DHD_PKTTAG_IF(PKTTAG(txp))]; uint datalen = PKTLEN(dhd->pub.osh, txp); if (ifp != NULL) { if (success) { dhd->pub.tx_packets++; ifp->stats.tx_packets++; ifp->stats.tx_bytes += datalen; } else { ifp->stats.tx_dropped++; } } } #endif // endif } static struct net_device_stats * dhd_get_stats(struct net_device *net) { dhd_info_t *dhd = DHD_DEV_INFO(net); dhd_if_t *ifp; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); if (!dhd) { DHD_ERROR(("%s : dhd is NULL\n", __FUNCTION__)); goto error; } ifp = dhd_get_ifp_by_ndev(&dhd->pub, net); if (!ifp) { /* return empty stats */ DHD_ERROR(("%s: BAD_IF\n", __FUNCTION__)); goto error; } if (dhd->pub.up) { /* Use the protocol to get dongle stats */ dhd_prot_dstats(&dhd->pub); } return &ifp->stats; error: memset(&net->stats, 0, sizeof(net->stats)); return &net->stats; } #ifndef BCMDBUS static int dhd_watchdog_thread(void *data) { tsk_ctl_t *tsk = (tsk_ctl_t *)data; dhd_info_t *dhd = (dhd_info_t *)tsk->parent; /* This thread doesn't need any user-level access, * so get rid of all our resources */ if (dhd_watchdog_prio > 0) { struct sched_param param; param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO)? dhd_watchdog_prio:(MAX_RT_PRIO-1); setScheduler(current, SCHED_FIFO, ¶m); } while (1) { if (down_interruptible (&tsk->sema) == 0) { unsigned long flags; unsigned long jiffies_at_start = jiffies; unsigned long time_lapse; #ifdef BCMPCIE DHD_OS_WD_WAKE_LOCK(&dhd->pub); #endif /* BCMPCIE */ SMP_RD_BARRIER_DEPENDS(); if (tsk->terminated) { #ifdef BCMPCIE DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); #endif /* BCMPCIE */ break; } if (dhd->pub.dongle_reset == FALSE) { DHD_TIMER(("%s:\n", __FUNCTION__)); dhd_bus_watchdog(&dhd->pub); DHD_GENERAL_LOCK(&dhd->pub, flags); /* Count the tick for reference */ dhd->pub.tickcnt++; #ifdef DHD_L2_FILTER dhd_l2_filter_watchdog(&dhd->pub); #endif /* DHD_L2_FILTER */ time_lapse = jiffies - jiffies_at_start; /* Reschedule the watchdog */ if (dhd->wd_timer_valid) { mod_timer(&dhd->timer, jiffies + msecs_to_jiffies(dhd_watchdog_ms) - min(msecs_to_jiffies(dhd_watchdog_ms), time_lapse)); } DHD_GENERAL_UNLOCK(&dhd->pub, flags); } #ifdef BCMPCIE DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); #endif /* BCMPCIE */ } else { break; } } complete_and_exit(&tsk->completed, 0); } static void dhd_watchdog(ulong data) { dhd_info_t *dhd = (dhd_info_t *)data; unsigned long flags; if (dhd->pub.dongle_reset) { return; } if (dhd->thr_wdt_ctl.thr_pid >= 0) { up(&dhd->thr_wdt_ctl.sema); return; } #ifdef BCMPCIE DHD_OS_WD_WAKE_LOCK(&dhd->pub); #endif /* BCMPCIE */ /* Call the bus module watchdog */ dhd_bus_watchdog(&dhd->pub); DHD_GENERAL_LOCK(&dhd->pub, flags); /* Count the tick for reference */ dhd->pub.tickcnt++; #ifdef DHD_L2_FILTER dhd_l2_filter_watchdog(&dhd->pub); #endif /* DHD_L2_FILTER */ /* Reschedule the watchdog */ if (dhd->wd_timer_valid) mod_timer(&dhd->timer, jiffies + msecs_to_jiffies(dhd_watchdog_ms)); DHD_GENERAL_UNLOCK(&dhd->pub, flags); #ifdef BCMPCIE DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); #endif /* BCMPCIE */ } #ifdef ENABLE_ADAPTIVE_SCHED static void dhd_sched_policy(int prio) { struct sched_param param; if (cpufreq_quick_get(0) <= CUSTOM_CPUFREQ_THRESH) { param.sched_priority = 0; setScheduler(current, SCHED_NORMAL, ¶m); } else { if (get_scheduler_policy(current) != SCHED_FIFO) { param.sched_priority = (prio < MAX_RT_PRIO)? prio : (MAX_RT_PRIO-1); setScheduler(current, SCHED_FIFO, ¶m); } } } #endif /* ENABLE_ADAPTIVE_SCHED */ #ifdef DEBUG_CPU_FREQ static int dhd_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data) { dhd_info_t *dhd = container_of(nb, struct dhd_info, freq_trans); struct cpufreq_freqs *freq = data; if (dhd) { if (!dhd->new_freq) goto exit; if (val == CPUFREQ_POSTCHANGE) { DHD_ERROR(("cpu freq is changed to %u kHZ on CPU %d\n", freq->new, freq->cpu)); *per_cpu_ptr(dhd->new_freq, freq->cpu) = freq->new; } } exit: return 0; } #endif /* DEBUG_CPU_FREQ */ static int dhd_dpc_thread(void *data) { tsk_ctl_t *tsk = (tsk_ctl_t *)data; dhd_info_t *dhd = (dhd_info_t *)tsk->parent; /* This thread doesn't need any user-level access, * so get rid of all our resources */ if (dhd_dpc_prio > 0) { struct sched_param param; param.sched_priority = (dhd_dpc_prio < MAX_RT_PRIO)?dhd_dpc_prio:(MAX_RT_PRIO-1); setScheduler(current, SCHED_FIFO, ¶m); } #ifdef CUSTOM_DPC_CPUCORE set_cpus_allowed_ptr(current, cpumask_of(CUSTOM_DPC_CPUCORE)); #endif // endif #ifdef CUSTOM_SET_CPUCORE dhd->pub.current_dpc = current; #endif /* CUSTOM_SET_CPUCORE */ /* Run until signal received */ while (1) { if (dhd->pub.conf->dpc_cpucore >= 0) { printf("%s: set dpc_cpucore %d\n", __FUNCTION__, dhd->pub.conf->dpc_cpucore); set_cpus_allowed_ptr(current, cpumask_of(dhd->pub.conf->dpc_cpucore)); dhd->pub.conf->dpc_cpucore = -1; } if (!binary_sema_down(tsk)) { #ifdef ENABLE_ADAPTIVE_SCHED dhd_sched_policy(dhd_dpc_prio); #endif /* ENABLE_ADAPTIVE_SCHED */ SMP_RD_BARRIER_DEPENDS(); if (tsk->terminated) { break; } /* Call bus dpc unless it indicated down (then clean stop) */ if (dhd->pub.busstate != DHD_BUS_DOWN) { #ifdef DEBUG_DPC_THREAD_WATCHDOG int resched_cnt = 0; #endif /* DEBUG_DPC_THREAD_WATCHDOG */ dhd_os_wd_timer_extend(&dhd->pub, TRUE); while (dhd_bus_dpc(dhd->pub.bus)) { /* process all data */ #ifdef DEBUG_DPC_THREAD_WATCHDOG resched_cnt++; if (resched_cnt > MAX_RESCHED_CNT) { DHD_INFO(("%s Calling msleep to" "let other processes run. \n", __FUNCTION__)); dhd->pub.dhd_bug_on = true; resched_cnt = 0; OSL_SLEEP(1); } #endif /* DEBUG_DPC_THREAD_WATCHDOG */ } dhd_os_wd_timer_extend(&dhd->pub, FALSE); DHD_OS_WAKE_UNLOCK(&dhd->pub); } else { if (dhd->pub.up) dhd_bus_stop(dhd->pub.bus, TRUE); DHD_OS_WAKE_UNLOCK(&dhd->pub); } } else { break; } } complete_and_exit(&tsk->completed, 0); } static int dhd_rxf_thread(void *data) { tsk_ctl_t *tsk = (tsk_ctl_t *)data; dhd_info_t *dhd = (dhd_info_t *)tsk->parent; #if defined(WAIT_DEQUEUE) #define RXF_WATCHDOG_TIME 250 /* BARK_TIME(1000) / */ ulong watchdogTime = OSL_SYSUPTIME(); /* msec */ #endif // endif dhd_pub_t *pub = &dhd->pub; /* This thread doesn't need any user-level access, * so get rid of all our resources */ if (dhd_rxf_prio > 0) { struct sched_param param; param.sched_priority = (dhd_rxf_prio < MAX_RT_PRIO)?dhd_rxf_prio:(MAX_RT_PRIO-1); setScheduler(current, SCHED_FIFO, ¶m); } #ifdef CUSTOM_SET_CPUCORE dhd->pub.current_rxf = current; #endif /* CUSTOM_SET_CPUCORE */ /* Run until signal received */ while (1) { if (dhd->pub.conf->rxf_cpucore >= 0) { printf("%s: set rxf_cpucore %d\n", __FUNCTION__, dhd->pub.conf->rxf_cpucore); set_cpus_allowed_ptr(current, cpumask_of(dhd->pub.conf->rxf_cpucore)); dhd->pub.conf->rxf_cpucore = -1; } if (down_interruptible(&tsk->sema) == 0) { void *skb; #ifdef ENABLE_ADAPTIVE_SCHED dhd_sched_policy(dhd_rxf_prio); #endif /* ENABLE_ADAPTIVE_SCHED */ SMP_RD_BARRIER_DEPENDS(); if (tsk->terminated) { break; } skb = dhd_rxf_dequeue(pub); if (skb == NULL) { continue; } while (skb) { void *skbnext = PKTNEXT(pub->osh, skb); PKTSETNEXT(pub->osh, skb, NULL); bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); #if defined(WL_MONITOR) && defined(BCMSDIO) if (dhd_monitor_enabled(pub, 0)) dhd_rx_mon_pkt_sdio(pub, skb, 0); else #endif /* WL_MONITOR && BCMSDIO */ netif_rx_ni(skb); skb = skbnext; } #if defined(WAIT_DEQUEUE) if (OSL_SYSUPTIME() - watchdogTime > RXF_WATCHDOG_TIME) { OSL_SLEEP(1); watchdogTime = OSL_SYSUPTIME(); } #endif // endif DHD_OS_WAKE_UNLOCK(pub); } else { break; } } complete_and_exit(&tsk->completed, 0); } #ifdef BCMPCIE void dhd_dpc_enable(dhd_pub_t *dhdp) { #if defined(DHD_LB_RXP) || defined(DHD_LB_TXP) dhd_info_t *dhd; if (!dhdp || !dhdp->info) return; dhd = dhdp->info; #endif /* DHD_LB_RXP || DHD_LB_TXP */ #ifdef DHD_LB_RXP __skb_queue_head_init(&dhd->rx_pend_queue); #endif /* DHD_LB_RXP */ #ifdef DHD_LB_TXP skb_queue_head_init(&dhd->tx_pend_queue); #endif /* DHD_LB_TXP */ } #endif /* BCMPCIE */ #ifdef BCMPCIE void dhd_dpc_kill(dhd_pub_t *dhdp) { dhd_info_t *dhd; if (!dhdp) { return; } dhd = dhdp->info; if (!dhd) { return; } if (dhd->thr_dpc_ctl.thr_pid < 0) { tasklet_kill(&dhd->tasklet); DHD_ERROR(("%s: tasklet disabled\n", __FUNCTION__)); } #ifdef DHD_LB #ifdef DHD_LB_RXP cancel_work_sync(&dhd->rx_napi_dispatcher_work); __skb_queue_purge(&dhd->rx_pend_queue); #endif /* DHD_LB_RXP */ #ifdef DHD_LB_TXP cancel_work_sync(&dhd->tx_dispatcher_work); skb_queue_purge(&dhd->tx_pend_queue); #endif /* DHD_LB_TXP */ /* Kill the Load Balancing Tasklets */ #if defined(DHD_LB_TXC) tasklet_kill(&dhd->tx_compl_tasklet); #endif /* DHD_LB_TXC */ #if defined(DHD_LB_RXC) tasklet_kill(&dhd->rx_compl_tasklet); #endif /* DHD_LB_RXC */ #if defined(DHD_LB_TXP) tasklet_kill(&dhd->tx_tasklet); #endif /* DHD_LB_TXP */ #endif /* DHD_LB */ } void dhd_dpc_tasklet_kill(dhd_pub_t *dhdp) { dhd_info_t *dhd; if (!dhdp) { return; } dhd = dhdp->info; if (!dhd) { return; } if (dhd->thr_dpc_ctl.thr_pid < 0) { tasklet_kill(&dhd->tasklet); } } #endif /* BCMPCIE */ static void dhd_dpc(ulong data) { dhd_info_t *dhd; dhd = (dhd_info_t *)data; /* this (tasklet) can be scheduled in dhd_sched_dpc[dhd_linux.c] * down below , wake lock is set, * the tasklet is initialized in dhd_attach() */ /* Call bus dpc unless it indicated down (then clean stop) */ if (dhd->pub.busstate != DHD_BUS_DOWN) { #if defined(DHD_LB_STATS) && defined(PCIE_FULL_DONGLE) DHD_LB_STATS_INCR(dhd->dhd_dpc_cnt); #endif /* DHD_LB_STATS && PCIE_FULL_DONGLE */ if (dhd_bus_dpc(dhd->pub.bus)) { tasklet_schedule(&dhd->tasklet); } } else { dhd_bus_stop(dhd->pub.bus, TRUE); } } void dhd_sched_dpc(dhd_pub_t *dhdp) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; if (dhd->thr_dpc_ctl.thr_pid >= 0) { DHD_OS_WAKE_LOCK(dhdp); /* If the semaphore does not get up, * wake unlock should be done here */ if (!binary_sema_up(&dhd->thr_dpc_ctl)) { DHD_OS_WAKE_UNLOCK(dhdp); } return; } else { dhd_bus_set_dpc_sched_time(dhdp); tasklet_schedule(&dhd->tasklet); } } #endif /* BCMDBUS */ static void dhd_sched_rxf(dhd_pub_t *dhdp, void *skb) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; DHD_OS_WAKE_LOCK(dhdp); DHD_TRACE(("dhd_sched_rxf: Enter\n")); do { if (dhd_rxf_enqueue(dhdp, skb) == BCME_OK) break; } while (1); if (dhd->thr_rxf_ctl.thr_pid >= 0) { up(&dhd->thr_rxf_ctl.sema); } return; } #if defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) #endif /* defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) */ #ifdef TOE /* Retrieve current toe component enables, which are kept as a bitmap in toe_ol iovar */ static int dhd_toe_get(dhd_info_t *dhd, int ifidx, uint32 *toe_ol) { char buf[32]; int ret; ret = dhd_iovar(&dhd->pub, ifidx, "toe_ol", NULL, 0, (char *)&buf, sizeof(buf), FALSE); if (ret < 0) { if (ret == -EIO) { DHD_ERROR(("%s: toe not supported by device\n", dhd_ifname(&dhd->pub, ifidx))); return -EOPNOTSUPP; } DHD_INFO(("%s: could not get toe_ol: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret)); return ret; } memcpy(toe_ol, buf, sizeof(uint32)); return 0; } /* Set current toe component enables in toe_ol iovar, and set toe global enable iovar */ static int dhd_toe_set(dhd_info_t *dhd, int ifidx, uint32 toe_ol) { int toe, ret; /* Set toe_ol as requested */ ret = dhd_iovar(&dhd->pub, ifidx, "toe_ol", (char *)&toe_ol, sizeof(toe_ol), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: could not set toe_ol: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret)); return ret; } /* Enable toe globally only if any components are enabled. */ toe = (toe_ol != 0); ret = dhd_iovar(&dhd->pub, ifidx, "toe", (char *)&toe, sizeof(toe), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: could not set toe: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret)); return ret; } return 0; } #endif /* TOE */ #if defined(WL_CFG80211) && defined(NUM_SCB_MAX_PROBE) void dhd_set_scb_probe(dhd_pub_t *dhd) { wl_scb_probe_t scb_probe; char iovbuf[WL_EVENTING_MASK_LEN + sizeof(wl_scb_probe_t)]; int ret; if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { return; } ret = dhd_iovar(dhd, 0, "scb_probe", NULL, 0, iovbuf, sizeof(iovbuf), FALSE); if (ret < 0) { DHD_ERROR(("%s: GET max_scb_probe failed\n", __FUNCTION__)); } memcpy(&scb_probe, iovbuf, sizeof(wl_scb_probe_t)); scb_probe.scb_max_probe = NUM_SCB_MAX_PROBE; ret = dhd_iovar(dhd, 0, "scb_probe", (char *)&scb_probe, sizeof(wl_scb_probe_t), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: max_scb_probe setting failed\n", __FUNCTION__)); return; } } #endif /* WL_CFG80211 && NUM_SCB_MAX_PROBE */ static void dhd_ethtool_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) { dhd_info_t *dhd = DHD_DEV_INFO(net); snprintf(info->driver, sizeof(info->driver), "wl"); snprintf(info->version, sizeof(info->version), "%lu", dhd->pub.drv_version); } struct ethtool_ops dhd_ethtool_ops = { .get_drvinfo = dhd_ethtool_get_drvinfo }; static int dhd_ethtool(dhd_info_t *dhd, void *uaddr) { struct ethtool_drvinfo info; char drvname[sizeof(info.driver)]; uint32 cmd; #ifdef TOE struct ethtool_value edata; uint32 toe_cmpnt, csum_dir; int ret; #endif // endif DHD_TRACE(("%s: Enter\n", __FUNCTION__)); /* all ethtool calls start with a cmd word */ if (copy_from_user(&cmd, uaddr, sizeof (uint32))) return -EFAULT; switch (cmd) { case ETHTOOL_GDRVINFO: /* Copy out any request driver name */ if (copy_from_user(&info, uaddr, sizeof(info))) return -EFAULT; strncpy(drvname, info.driver, sizeof(drvname) - 1); drvname[sizeof(drvname) - 1] = '\0'; /* clear struct for return */ memset(&info, 0, sizeof(info)); info.cmd = cmd; /* if dhd requested, identify ourselves */ if (strcmp(drvname, "?dhd") == 0) { snprintf(info.driver, sizeof(info.driver), "dhd"); strncpy(info.version, EPI_VERSION_STR, sizeof(info.version) - 1); info.version[sizeof(info.version) - 1] = '\0'; } /* otherwise, require dongle to be up */ else if (!dhd->pub.up) { DHD_ERROR(("%s: dongle is not up\n", __FUNCTION__)); return -ENODEV; } /* finally, report dongle driver type */ else if (dhd->pub.iswl) snprintf(info.driver, sizeof(info.driver), "wl"); else snprintf(info.driver, sizeof(info.driver), "xx"); snprintf(info.version, sizeof(info.version), "%lu", dhd->pub.drv_version); if (copy_to_user(uaddr, &info, sizeof(info))) return -EFAULT; DHD_CTL(("%s: given %*s, returning %s\n", __FUNCTION__, (int)sizeof(drvname), drvname, info.driver)); break; #ifdef TOE /* Get toe offload components from dongle */ case ETHTOOL_GRXCSUM: case ETHTOOL_GTXCSUM: if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0) return ret; csum_dir = (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; edata.cmd = cmd; edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; if (copy_to_user(uaddr, &edata, sizeof(edata))) return -EFAULT; break; /* Set toe offload components in dongle */ case ETHTOOL_SRXCSUM: case ETHTOOL_STXCSUM: if (copy_from_user(&edata, uaddr, sizeof(edata))) return -EFAULT; /* Read the current settings, update and write back */ if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0) return ret; csum_dir = (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; if (edata.data != 0) toe_cmpnt |= csum_dir; else toe_cmpnt &= ~csum_dir; if ((ret = dhd_toe_set(dhd, 0, toe_cmpnt)) < 0) return ret; /* If setting TX checksum mode, tell Linux the new mode */ if (cmd == ETHTOOL_STXCSUM) { if (edata.data) dhd->iflist[0]->net->features |= NETIF_F_IP_CSUM; else dhd->iflist[0]->net->features &= ~NETIF_F_IP_CSUM; } break; #endif /* TOE */ default: return -EOPNOTSUPP; } return 0; } static bool dhd_check_hang(struct net_device *net, dhd_pub_t *dhdp, int error) { if (!dhdp) { DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__)); return FALSE; } if (!dhdp->up) return FALSE; #if !defined(BCMPCIE) && !defined(BCMDBUS) if (dhdp->info->thr_dpc_ctl.thr_pid < 0) { DHD_ERROR(("%s : skipped due to negative pid - unloading?\n", __FUNCTION__)); return FALSE; } #endif /* !BCMPCIE && !BCMDBUS */ if ((error == -ETIMEDOUT) || (error == -EREMOTEIO) || ((dhdp->busstate == DHD_BUS_DOWN) && (!dhdp->dongle_reset))) { #ifdef BCMPCIE DHD_ERROR(("%s: Event HANG send up due to re=%d te=%d d3acke=%d e=%d s=%d\n", __FUNCTION__, dhdp->rxcnt_timeout, dhdp->txcnt_timeout, dhdp->d3ackcnt_timeout, error, dhdp->busstate)); #else DHD_ERROR(("%s: Event HANG send up due to re=%d te=%d e=%d s=%d\n", __FUNCTION__, dhdp->rxcnt_timeout, dhdp->txcnt_timeout, error, dhdp->busstate)); #endif /* BCMPCIE */ if (dhdp->hang_reason == 0) { if (dhdp->dongle_trap_occured) { dhdp->hang_reason = HANG_REASON_DONGLE_TRAP; #ifdef BCMPCIE } else if (dhdp->d3ackcnt_timeout) { dhdp->hang_reason = dhdp->is_sched_error ? HANG_REASON_D3_ACK_TIMEOUT_SCHED_ERROR : HANG_REASON_D3_ACK_TIMEOUT; #endif /* BCMPCIE */ } else { dhdp->hang_reason = dhdp->is_sched_error ? HANG_REASON_IOCTL_RESP_TIMEOUT_SCHED_ERROR : HANG_REASON_IOCTL_RESP_TIMEOUT; } } printf("%s\n", info_string); net_os_send_hang_message(net); return TRUE; } return FALSE; } #ifdef WL_MONITOR bool dhd_monitor_enabled(dhd_pub_t *dhd, int ifidx) { return (dhd->info->monitor_type != 0); } #ifdef BCMSDIO static void dhd_rx_mon_pkt_sdio(dhd_pub_t *dhdp, void *pkt, int ifidx) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; if (!dhd->monitor_skb) { if ((dhd->monitor_skb = PKTTONATIVE(dhdp->osh, pkt)) == NULL) return; } if (dhd->monitor_type && dhd->monitor_dev) dhd->monitor_skb->dev = dhd->monitor_dev; else { PKTFREE(dhdp->osh, pkt, FALSE); dhd->monitor_skb = NULL; return; } dhd->monitor_skb->protocol = eth_type_trans(dhd->monitor_skb, dhd->monitor_skb->dev); dhd->monitor_len = 0; netif_rx_ni(dhd->monitor_skb); dhd->monitor_skb = NULL; } #elif defined(BCMPCIE) void dhd_rx_mon_pkt(dhd_pub_t *dhdp, host_rxbuf_cmpl_t* msg, void *pkt, int ifidx) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; { uint8 amsdu_flag = (msg->flags & BCMPCIE_PKT_FLAGS_MONITOR_MASK) >> BCMPCIE_PKT_FLAGS_MONITOR_SHIFT; switch (amsdu_flag) { case BCMPCIE_PKT_FLAGS_MONITOR_NO_AMSDU: default: if (!dhd->monitor_skb) { if ((dhd->monitor_skb = PKTTONATIVE(dhdp->osh, pkt)) == NULL) return; } if (dhd->monitor_type && dhd->monitor_dev) dhd->monitor_skb->dev = dhd->monitor_dev; else { PKTFREE(dhdp->osh, pkt, FALSE); dhd->monitor_skb = NULL; return; } dhd->monitor_skb->protocol = eth_type_trans(dhd->monitor_skb, dhd->monitor_skb->dev); dhd->monitor_len = 0; break; case BCMPCIE_PKT_FLAGS_MONITOR_FIRST_PKT: if (!dhd->monitor_skb) { if ((dhd->monitor_skb = dev_alloc_skb(MAX_MON_PKT_SIZE)) == NULL) return; dhd->monitor_len = 0; } if (dhd->monitor_type && dhd->monitor_dev) dhd->monitor_skb->dev = dhd->monitor_dev; else { PKTFREE(dhdp->osh, pkt, FALSE); dev_kfree_skb(dhd->monitor_skb); return; } memcpy(PKTDATA(dhdp->osh, dhd->monitor_skb), PKTDATA(dhdp->osh, pkt), PKTLEN(dhdp->osh, pkt)); dhd->monitor_len = PKTLEN(dhdp->osh, pkt); PKTFREE(dhdp->osh, pkt, FALSE); return; case BCMPCIE_PKT_FLAGS_MONITOR_INTER_PKT: memcpy(PKTDATA(dhdp->osh, dhd->monitor_skb) + dhd->monitor_len, PKTDATA(dhdp->osh, pkt), PKTLEN(dhdp->osh, pkt)); dhd->monitor_len += PKTLEN(dhdp->osh, pkt); PKTFREE(dhdp->osh, pkt, FALSE); return; case BCMPCIE_PKT_FLAGS_MONITOR_LAST_PKT: memcpy(PKTDATA(dhdp->osh, dhd->monitor_skb) + dhd->monitor_len, PKTDATA(dhdp->osh, pkt), PKTLEN(dhdp->osh, pkt)); dhd->monitor_len += PKTLEN(dhdp->osh, pkt); PKTFREE(dhdp->osh, pkt, FALSE); skb_put(dhd->monitor_skb, dhd->monitor_len); dhd->monitor_skb->protocol = eth_type_trans(dhd->monitor_skb, dhd->monitor_skb->dev); dhd->monitor_len = 0; break; } } if (in_interrupt()) { bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); DHD_PERIM_UNLOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); netif_rx(dhd->monitor_skb); DHD_PERIM_LOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); } else { /* If the receive is not processed inside an ISR, * the softirqd must be woken explicitly to service * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled * by netif_rx_ni(), but in earlier kernels, we need * to do it manually. */ bcm_object_trace_opr(dhd->monitor_skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); DHD_PERIM_UNLOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); netif_rx_ni(dhd->monitor_skb); DHD_PERIM_LOCK_ALL((dhd->fwder_unit % FWDER_MAX_UNIT)); } dhd->monitor_skb = NULL; } #endif typedef struct dhd_mon_dev_priv { struct net_device_stats stats; } dhd_mon_dev_priv_t; #define DHD_MON_DEV_PRIV_SIZE (sizeof(dhd_mon_dev_priv_t)) #define DHD_MON_DEV_PRIV(dev) ((dhd_mon_dev_priv_t *)DEV_PRIV(dev)) #define DHD_MON_DEV_STATS(dev) (((dhd_mon_dev_priv_t *)DEV_PRIV(dev))->stats) static int dhd_monitor_start(struct sk_buff *skb, struct net_device *dev) { PKTFREE(NULL, skb, FALSE); return 0; } #if defined(BT_OVER_SDIO) void dhdsdio_bus_usr_cnt_inc(dhd_pub_t *dhdp) { dhdp->info->bus_user_count++; } void dhdsdio_bus_usr_cnt_dec(dhd_pub_t *dhdp) { dhdp->info->bus_user_count--; } /* Return values: * Success: Returns 0 * Failure: Returns -1 or errono code */ int dhd_bus_get(wlan_bt_handle_t handle, bus_owner_t owner) { dhd_pub_t *dhdp = (dhd_pub_t *)handle; dhd_info_t *dhd = (dhd_info_t *)dhdp->info; int ret = 0; mutex_lock(&dhd->bus_user_lock); ++dhd->bus_user_count; if (dhd->bus_user_count < 0) { DHD_ERROR(("%s(): bus_user_count is negative, which is invalid\n", __FUNCTION__)); ret = -1; goto exit; } if (dhd->bus_user_count == 1) { dhd->pub.hang_was_sent = 0; /* First user, turn on WL_REG, start the bus */ DHD_ERROR(("%s(): First user Turn On WL_REG & start the bus", __FUNCTION__)); if (!wifi_platform_set_power(dhd->adapter, TRUE, WIFI_TURNON_DELAY)) { /* Enable F1 */ ret = dhd_bus_resume(dhdp, 0); if (ret) { DHD_ERROR(("%s(): Failed to enable F1, err=%d\n", __FUNCTION__, ret)); goto exit; } } dhd_update_fw_nv_path(dhd); /* update firmware and nvram path to sdio bus */ dhd_bus_update_fw_nv_path(dhd->pub.bus, dhd->fw_path, dhd->nv_path); /* download the firmware, Enable F2 */ /* TODO: Should be done only in case of FW switch */ ret = dhd_bus_devreset(dhdp, FALSE); dhd_bus_resume(dhdp, 1); if (!ret) { if (dhd_sync_with_dongle(&dhd->pub) < 0) { DHD_ERROR(("%s(): Sync with dongle failed!!\n", __FUNCTION__)); ret = -EFAULT; } } else { DHD_ERROR(("%s(): Failed to download, err=%d\n", __FUNCTION__, ret)); } } else { DHD_ERROR(("%s(): BUS is already acquired, just increase the count %d \r\n", __FUNCTION__, dhd->bus_user_count)); } exit: mutex_unlock(&dhd->bus_user_lock); return ret; } EXPORT_SYMBOL(dhd_bus_get); /* Return values: * Success: Returns 0 * Failure: Returns -1 or errono code */ int dhd_bus_put(wlan_bt_handle_t handle, bus_owner_t owner) { dhd_pub_t *dhdp = (dhd_pub_t *)handle; dhd_info_t *dhd = (dhd_info_t *)dhdp->info; int ret = 0; BCM_REFERENCE(owner); mutex_lock(&dhd->bus_user_lock); --dhd->bus_user_count; if (dhd->bus_user_count < 0) { DHD_ERROR(("%s(): bus_user_count is negative, which is invalid\n", __FUNCTION__)); dhd->bus_user_count = 0; ret = -1; goto exit; } if (dhd->bus_user_count == 0) { /* Last user, stop the bus and turn Off WL_REG */ DHD_ERROR(("%s(): There are no owners left Trunf Off WL_REG & stop the bus \r\n", __FUNCTION__)); #ifdef PROP_TXSTATUS if (dhd->pub.wlfc_enabled) { dhd_wlfc_deinit(&dhd->pub); } #endif /* PROP_TXSTATUS */ #ifdef PNO_SUPPORT if (dhd->pub.pno_state) { dhd_pno_deinit(&dhd->pub); } #endif /* PNO_SUPPORT */ #ifdef RTT_SUPPORT if (dhd->pub.rtt_state) { dhd_rtt_deinit(&dhd->pub); } #endif /* RTT_SUPPORT */ ret = dhd_bus_devreset(dhdp, TRUE); if (!ret) { dhd_bus_suspend(dhdp); wifi_platform_set_power(dhd->adapter, FALSE, WIFI_TURNOFF_DELAY); } } else { DHD_ERROR(("%s(): Other owners using bus, decrease the count %d \r\n", __FUNCTION__, dhd->bus_user_count)); } exit: mutex_unlock(&dhd->bus_user_lock); return ret; } EXPORT_SYMBOL(dhd_bus_put); int dhd_net_bus_get(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return dhd_bus_get(&dhd->pub, WLAN_MODULE); } int dhd_net_bus_put(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return dhd_bus_put(&dhd->pub, WLAN_MODULE); } /* * Function to enable the Bus Clock * Returns BCME_OK on success and BCME_xxx on failure * * This function is not callable from non-sleepable context */ int dhd_bus_clk_enable(wlan_bt_handle_t handle, bus_owner_t owner) { dhd_pub_t *dhdp = (dhd_pub_t *)handle; int ret; dhd_os_sdlock(dhdp); /* * The second argument is TRUE, that means, we expect * the function to "wait" until the clocks are really * available */ ret = __dhdsdio_clk_enable(dhdp->bus, owner, TRUE); dhd_os_sdunlock(dhdp); return ret; } EXPORT_SYMBOL(dhd_bus_clk_enable); /* * Function to disable the Bus Clock * Returns BCME_OK on success and BCME_xxx on failure * * This function is not callable from non-sleepable context */ int dhd_bus_clk_disable(wlan_bt_handle_t handle, bus_owner_t owner) { dhd_pub_t *dhdp = (dhd_pub_t *)handle; int ret; dhd_os_sdlock(dhdp); /* * The second argument is TRUE, that means, we expect * the function to "wait" until the clocks are really * disabled */ ret = __dhdsdio_clk_disable(dhdp->bus, owner, TRUE); dhd_os_sdunlock(dhdp); return ret; } EXPORT_SYMBOL(dhd_bus_clk_disable); /* * Function to reset bt_use_count counter to zero. * * This function is not callable from non-sleepable context */ void dhd_bus_reset_bt_use_count(wlan_bt_handle_t handle) { dhd_pub_t *dhdp = (dhd_pub_t *)handle; /* take the lock and reset bt use count */ dhd_os_sdlock(dhdp); dhdsdio_reset_bt_use_count(dhdp->bus); dhd_os_sdunlock(dhdp); } EXPORT_SYMBOL(dhd_bus_reset_bt_use_count); void dhd_bus_retry_hang_recovery(wlan_bt_handle_t handle) { dhd_pub_t *dhdp = (dhd_pub_t *)handle; dhd_info_t *dhd = (dhd_info_t*)dhdp->info; dhdp->hang_was_sent = 0; dhd_os_send_hang_message(&dhd->pub); } EXPORT_SYMBOL(dhd_bus_retry_hang_recovery); #endif /* BT_OVER_SDIO */ static int dhd_monitor_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { return 0; } static struct net_device_stats* dhd_monitor_get_stats(struct net_device *dev) { return &DHD_MON_DEV_STATS(dev); } static const struct net_device_ops netdev_monitor_ops = { .ndo_start_xmit = dhd_monitor_start, .ndo_get_stats = dhd_monitor_get_stats, .ndo_do_ioctl = dhd_monitor_ioctl }; static void dhd_add_monitor_if(dhd_info_t *dhd) { struct net_device *dev; char *devname; uint32 scan_suppress = FALSE; int ret = BCME_OK; if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } if (dhd->monitor_dev) { DHD_ERROR(("%s: monitor i/f already exists", __FUNCTION__)); return; } dev = alloc_etherdev(DHD_MON_DEV_PRIV_SIZE); if (!dev) { DHD_ERROR(("%s: alloc wlif failed\n", __FUNCTION__)); return; } devname = "radiotap"; snprintf(dev->name, sizeof(dev->name), "%s%u", devname, dhd->unit); #ifndef ARPHRD_IEEE80211_PRISM /* From Linux 2.4.18 */ #define ARPHRD_IEEE80211_PRISM 802 #endif // endif #ifndef ARPHRD_IEEE80211_RADIOTAP #define ARPHRD_IEEE80211_RADIOTAP 803 /* IEEE 802.11 + radiotap header */ #endif /* ARPHRD_IEEE80211_RADIOTAP */ dev->type = ARPHRD_IEEE80211_RADIOTAP; dev->netdev_ops = &netdev_monitor_ops; if (register_netdevice(dev)) { DHD_ERROR(("%s, register_netdev failed for %s\n", __FUNCTION__, dev->name)); free_netdev(dev); return; } if (FW_SUPPORTED((&dhd->pub), monitor)) { scan_suppress = TRUE; /* Set the SCAN SUPPRESS Flag in the firmware to disable scan in Monitor mode */ ret = dhd_iovar(&dhd->pub, 0, "scansuppress", (char *)&scan_suppress, sizeof(scan_suppress), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: scansuppress set failed, ret=%d\n", __FUNCTION__, ret)); } } dhd->monitor_dev = dev; } static void dhd_del_monitor_if(dhd_info_t *dhd) { int ret = BCME_OK; uint32 scan_suppress = FALSE; if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } if (!dhd->monitor_dev) { DHD_ERROR(("%s: monitor i/f doesn't exist", __FUNCTION__)); return; } if (FW_SUPPORTED((&dhd->pub), monitor)) { scan_suppress = FALSE; /* Unset the SCAN SUPPRESS Flag in the firmware to enable scan */ ret = dhd_iovar(&dhd->pub, 0, "scansuppress", (char *)&scan_suppress, sizeof(scan_suppress), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: scansuppress set failed, ret=%d\n", __FUNCTION__, ret)); } } if (dhd->monitor_dev) { if (dhd->monitor_dev->reg_state == NETREG_UNINITIALIZED) { free_netdev(dhd->monitor_dev); } else { unregister_netdevice(dhd->monitor_dev); } dhd->monitor_dev = NULL; } } void dhd_set_monitor(dhd_pub_t *pub, int ifidx, int val) { dhd_info_t *dhd = pub->info; DHD_TRACE(("%s: val %d\n", __FUNCTION__, val)); dhd_net_if_lock_local(dhd); if (!val) { /* Delete monitor */ dhd_del_monitor_if(dhd); } else { /* Add monitor */ dhd_add_monitor_if(dhd); } dhd->monitor_type = val; dhd_net_if_unlock_local(dhd); } #endif /* WL_MONITOR */ #if defined(DHD_H2D_LOG_TIME_SYNC) /* * Helper function: * Used for RTE console message time syncing with Host printk */ void dhd_h2d_log_time_sync_deferred_wq_schedule(dhd_pub_t *dhdp) { dhd_info_t *info = dhdp->info; /* Ideally the "state" should be always TRUE */ dhd_deferred_schedule_work(info->dhd_deferred_wq, NULL, DHD_WQ_WORK_H2D_CONSOLE_TIME_STAMP_MATCH, dhd_deferred_work_rte_log_time_sync, DHD_WQ_WORK_PRIORITY_LOW); } void dhd_deferred_work_rte_log_time_sync(void *handle, void *event_info, u8 event) { dhd_info_t *dhd_info = handle; dhd_pub_t *dhd; if (event != DHD_WQ_WORK_H2D_CONSOLE_TIME_STAMP_MATCH) { DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); return; } if (!dhd_info) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } dhd = &dhd_info->pub; /* * Function to send IOVAR for console timesyncing * between Host and Dongle. * If the IOVAR fails, * 1. dhd_rte_time_sync_ms is set to 0 and * 2. HOST Dongle console time sync will *not* happen. */ dhd_h2d_log_time_sync(dhd); } #endif /* DHD_H2D_LOG_TIME_SYNC */ int dhd_ioctl_process(dhd_pub_t *pub, int ifidx, dhd_ioctl_t *ioc, void *data_buf) { int bcmerror = BCME_OK; int buflen = 0; struct net_device *net; net = dhd_idx2net(pub, ifidx); if (!net) { bcmerror = BCME_BADARG; /* * The netdev pointer is bad means the DHD can't communicate * to higher layers, so just return from here */ return bcmerror; } /* check for local dhd ioctl and handle it */ if (ioc->driver == DHD_IOCTL_MAGIC) { /* This is a DHD IOVAR, truncate buflen to DHD_IOCTL_MAXLEN */ if (data_buf) buflen = MIN(ioc->len, DHD_IOCTL_MAXLEN); bcmerror = dhd_ioctl((void *)pub, ioc, data_buf, buflen); if (bcmerror) pub->bcmerror = bcmerror; goto done; } /* This is a WL IOVAR, truncate buflen to WLC_IOCTL_MAXLEN */ if (data_buf) buflen = MIN(ioc->len, WLC_IOCTL_MAXLEN); #ifndef BCMDBUS /* send to dongle (must be up, and wl). */ if (pub->busstate == DHD_BUS_DOWN || pub->busstate == DHD_BUS_LOAD) { if ((!pub->dongle_trap_occured) && allow_delay_fwdl) { int ret; if (atomic_read(&exit_in_progress)) { DHD_ERROR(("%s module exit in progress\n", __func__)); bcmerror = BCME_DONGLE_DOWN; goto done; } ret = dhd_bus_start(pub); if (ret != 0) { DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); bcmerror = BCME_DONGLE_DOWN; goto done; } } else { bcmerror = BCME_DONGLE_DOWN; goto done; } } if (!pub->iswl) { bcmerror = BCME_DONGLE_DOWN; goto done; } #endif /* !BCMDBUS */ /* * Flush the TX queue if required for proper message serialization: * Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to * prevent M4 encryption and * intercept WLC_DISASSOC IOCTL - serialize WPS-DONE and WLC_DISASSOC IOCTL to * prevent disassoc frame being sent before WPS-DONE frame. */ if (ioc->cmd == WLC_SET_KEY || (ioc->cmd == WLC_SET_VAR && data_buf != NULL && strncmp("wsec_key", data_buf, 9) == 0) || (ioc->cmd == WLC_SET_VAR && data_buf != NULL && strncmp("bsscfg:wsec_key", data_buf, 15) == 0) || ioc->cmd == WLC_DISASSOC) dhd_wait_pend8021x(net); if ((ioc->cmd == WLC_SET_VAR || ioc->cmd == WLC_GET_VAR) && data_buf != NULL && strncmp("rpc_", data_buf, 4) == 0) { bcmerror = BCME_UNSUPPORTED; goto done; } bcmerror = dhd_wl_ioctl(pub, ifidx, (wl_ioctl_t *)ioc, data_buf, buflen); done: dhd_check_hang(net, pub, bcmerror); return bcmerror; } /** * Called by the OS (optionally via a wrapper function). * @param net Linux per dongle instance * @param ifr Linux request structure * @param cmd e.g. SIOCETHTOOL */ static int dhd_ioctl_entry(struct net_device *net, struct ifreq *ifr, int cmd) { dhd_info_t *dhd = DHD_DEV_INFO(net); dhd_ioctl_t ioc; int bcmerror = 0; int ifidx; int ret; void *local_buf = NULL; /**< buffer in kernel space */ void __user *ioc_buf_user = NULL; /**< buffer in user space */ u16 buflen = 0; if (atomic_read(&exit_in_progress)) { DHD_ERROR(("%s module exit in progress\n", __func__)); bcmerror = BCME_DONGLE_DOWN; return OSL_ERROR(bcmerror); } DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); /* Interface up check for built-in type */ if (!dhd_download_fw_on_driverload && dhd->pub.up == FALSE) { DHD_ERROR(("%s: Interface is down \n", __FUNCTION__)); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return OSL_ERROR(BCME_NOTUP); } ifidx = dhd_net2idx(dhd, net); DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __FUNCTION__, ifidx, cmd)); #if defined(WL_STATIC_IF) /* skip for static ndev when it is down */ if (dhd_is_static_ndev(&dhd->pub, net) && !(net->flags & IFF_UP)) { DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return -1; } #endif /* WL_STATIC_iF */ if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s: BAD IF\n", __FUNCTION__)); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return -1; } #if defined(WL_WIRELESS_EXT) /* linux wireless extensions */ if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) { /* may recurse, do NOT lock */ ret = wl_iw_ioctl(net, ifr, cmd); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return ret; } #endif /* defined(WL_WIRELESS_EXT) */ if (cmd == SIOCETHTOOL) { ret = dhd_ethtool(dhd, (void*)ifr->ifr_data); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return ret; } if (cmd == SIOCDEVPRIVATE+1) { ret = wl_android_priv_cmd(net, ifr); dhd_check_hang(net, &dhd->pub, ret); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return ret; } if (cmd != SIOCDEVPRIVATE) { DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return -EOPNOTSUPP; } memset(&ioc, 0, sizeof(ioc)); #ifdef CONFIG_COMPAT #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0)) if (in_compat_syscall()) #else if (is_compat_task()) #endif /* LINUX_VER >= 4.6 */ { compat_wl_ioctl_t compat_ioc; if (copy_from_user(&compat_ioc, ifr->ifr_data, sizeof(compat_wl_ioctl_t))) { bcmerror = BCME_BADADDR; goto done; } ioc.cmd = compat_ioc.cmd; if (ioc.cmd & WLC_SPEC_FLAG) { memset(&ioc, 0, sizeof(ioc)); /* Copy the ioc control structure part of ioctl request */ if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) { bcmerror = BCME_BADADDR; goto done; } ioc.cmd &= ~WLC_SPEC_FLAG; /* Clear the FLAG */ /* To differentiate between wl and dhd read 4 more byes */ if ((copy_from_user(&ioc.driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t), sizeof(uint)) != 0)) { bcmerror = BCME_BADADDR; goto done; } } else { /* ioc.cmd & WLC_SPEC_FLAG */ ioc.buf = compat_ptr(compat_ioc.buf); ioc.len = compat_ioc.len; ioc.set = compat_ioc.set; ioc.used = compat_ioc.used; ioc.needed = compat_ioc.needed; /* To differentiate between wl and dhd read 4 more byes */ if ((copy_from_user(&ioc.driver, (char *)ifr->ifr_data + sizeof(compat_wl_ioctl_t), sizeof(uint)) != 0)) { bcmerror = BCME_BADADDR; goto done; } } /* ioc.cmd & WLC_SPEC_FLAG */ } else #endif /* CONFIG_COMPAT */ { /* Copy the ioc control structure part of ioctl request */ if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) { bcmerror = BCME_BADADDR; goto done; } #ifdef CONFIG_COMPAT ioc.cmd &= ~WLC_SPEC_FLAG; /* make sure it was clear when it isn't a compat task*/ #endif /* To differentiate between wl and dhd read 4 more byes */ if ((copy_from_user(&ioc.driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t), sizeof(uint)) != 0)) { bcmerror = BCME_BADADDR; goto done; } } #ifndef CONFIG_VTS_SUPPORT if (!capable(CAP_NET_ADMIN)) { bcmerror = BCME_EPERM; goto done; } #endif /* Take backup of ioc.buf and restore later */ ioc_buf_user = ioc.buf; if (ioc.len > 0) { buflen = MIN(ioc.len, DHD_IOCTL_MAXLEN); if (!(local_buf = MALLOC(dhd->pub.osh, buflen+1))) { bcmerror = BCME_NOMEM; goto done; } DHD_PERIM_UNLOCK(&dhd->pub); if (copy_from_user(local_buf, ioc.buf, buflen)) { DHD_PERIM_LOCK(&dhd->pub); bcmerror = BCME_BADADDR; goto done; } DHD_PERIM_LOCK(&dhd->pub); *((char *)local_buf + buflen) = '\0'; /* For some platforms accessing userspace memory * of ioc.buf is causing kernel panic, so to avoid that * make ioc.buf pointing to kernel space memory local_buf */ ioc.buf = local_buf; } /* Skip all the non DHD iovars (wl iovars) after f/w hang */ if (ioc.driver != DHD_IOCTL_MAGIC && dhd->pub.hang_was_sent) { DHD_TRACE(("%s: HANG was sent up earlier\n", __FUNCTION__)); DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(&dhd->pub, DHD_EVENT_TIMEOUT_MS); bcmerror = BCME_DONGLE_DOWN; goto done; } bcmerror = dhd_ioctl_process(&dhd->pub, ifidx, &ioc, local_buf); /* Restore back userspace pointer to ioc.buf */ ioc.buf = ioc_buf_user; if (!bcmerror && buflen && local_buf && ioc.buf) { DHD_PERIM_UNLOCK(&dhd->pub); if (copy_to_user(ioc.buf, local_buf, buflen)) bcmerror = -EFAULT; DHD_PERIM_LOCK(&dhd->pub); } done: if (local_buf) MFREE(dhd->pub.osh, local_buf, buflen+1); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return OSL_ERROR(bcmerror); } #if defined(WL_CFG80211) && defined(SUPPORT_DEEP_SLEEP) /* Flags to indicate if we distingish power off policy when * user set the memu "Keep Wi-Fi on during sleep" to "Never" */ int trigger_deep_sleep = 0; #endif /* WL_CFG80211 && SUPPORT_DEEP_SLEEP */ #ifdef FIX_CPU_MIN_CLOCK static int dhd_init_cpufreq_fix(dhd_info_t *dhd) { if (dhd) { mutex_init(&dhd->cpufreq_fix); dhd->cpufreq_fix_status = FALSE; } return 0; } static void dhd_fix_cpu_freq(dhd_info_t *dhd) { mutex_lock(&dhd->cpufreq_fix); if (dhd && !dhd->cpufreq_fix_status) { pm_qos_add_request(&dhd->dhd_cpu_qos, PM_QOS_CPU_FREQ_MIN, 300000); #ifdef FIX_BUS_MIN_CLOCK pm_qos_add_request(&dhd->dhd_bus_qos, PM_QOS_BUS_THROUGHPUT, 400000); #endif /* FIX_BUS_MIN_CLOCK */ DHD_ERROR(("pm_qos_add_requests called\n")); dhd->cpufreq_fix_status = TRUE; } mutex_unlock(&dhd->cpufreq_fix); } static void dhd_rollback_cpu_freq(dhd_info_t *dhd) { mutex_lock(&dhd ->cpufreq_fix); if (dhd && dhd->cpufreq_fix_status != TRUE) { mutex_unlock(&dhd->cpufreq_fix); return; } pm_qos_remove_request(&dhd->dhd_cpu_qos); #ifdef FIX_BUS_MIN_CLOCK pm_qos_remove_request(&dhd->dhd_bus_qos); #endif /* FIX_BUS_MIN_CLOCK */ DHD_ERROR(("pm_qos_add_requests called\n")); dhd->cpufreq_fix_status = FALSE; mutex_unlock(&dhd->cpufreq_fix); } #endif /* FIX_CPU_MIN_CLOCK */ #ifdef DHD_PCIE_NATIVE_RUNTIMEPM static int dhd_ioctl_entry_wrapper(struct net_device *net, struct ifreq *ifr, int cmd) { int error; dhd_info_t *dhd = DHD_DEV_INFO(net); if (atomic_read(&dhd->pub.block_bus)) return -EHOSTDOWN; if (pm_runtime_get_sync(dhd_bus_to_dev(dhd->pub.bus)) < 0) return BCME_ERROR; error = dhd_ioctl_entry(net, ifr, cmd); pm_runtime_mark_last_busy(dhd_bus_to_dev(dhd->pub.bus)); pm_runtime_put_autosuspend(dhd_bus_to_dev(dhd->pub.bus)); return error; } #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ static int dhd_stop(struct net_device *net) { int ifidx = 0; bool skip_reset = false; #if defined(WL_CFG80211) unsigned long flags = 0; #ifdef WL_STATIC_IF struct bcm_cfg80211 *cfg = wl_get_cfg(net); #endif /* WL_STATIC_IF */ #endif /* WL_CFG80211 */ dhd_info_t *dhd = DHD_DEV_INFO(net); DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); printf("%s: Enter %s\n", __FUNCTION__, net->name); dhd->pub.rxcnt_timeout = 0; dhd->pub.txcnt_timeout = 0; #ifdef BCMPCIE dhd->pub.d3ackcnt_timeout = 0; #endif /* BCMPCIE */ mutex_lock(&dhd->pub.ndev_op_sync); if (dhd->pub.up == 0) { goto exit; } dhd_if_flush_sta(DHD_DEV_IFP(net)); #ifdef FIX_CPU_MIN_CLOCK if (dhd_get_fw_mode(dhd) == DHD_FLAG_HOSTAP_MODE) dhd_rollback_cpu_freq(dhd); #endif /* FIX_CPU_MIN_CLOCK */ ifidx = dhd_net2idx(dhd, net); BCM_REFERENCE(ifidx); DHD_ERROR(("%s: ######### dhd_stop called for ifidx=%d #########\n", __FUNCTION__, ifidx)); #if defined(WL_STATIC_IF) && defined(WL_CFG80211) /* If static if is operational, don't reset the chip */ if (IS_CFG80211_STATIC_IF_ACTIVE(cfg)) { DHD_ERROR(("static if operational. skip chip reset.\n")); skip_reset = true; wl_cfg80211_sta_ifdown(net); goto exit; } #endif /* WL_STATIC_IF && WL_CFG80211 */ DHD_ERROR(("%s: making dhdpub up FALSE\n", __FUNCTION__)); #ifdef WL_CFG80211 /* Disable Runtime PM before interface down */ DHD_DISABLE_RUNTIME_PM(&dhd->pub); spin_lock_irqsave(&dhd->pub.up_lock, flags); dhd->pub.up = 0; spin_unlock_irqrestore(&dhd->pub.up_lock, flags); #else dhd->pub.up = 0; #endif /* WL_CFG80211 */ #ifdef WL_CFG80211 if (ifidx == 0) { dhd_if_t *ifp; wl_cfg80211_down(net); ifp = dhd->iflist[0]; /* * For CFG80211: Clean up all the left over virtual interfaces * when the primary Interface is brought down. [ifconfig wlan0 down] */ if (!dhd_download_fw_on_driverload) { DHD_STATLOG_CTRL(&dhd->pub, ST(WLAN_POWER_OFF), ifidx, 0); if ((dhd->dhd_state & DHD_ATTACH_STATE_ADD_IF) && (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211)) { int i; #ifdef WL_CFG80211_P2P_DEV_IF wl_cfg80211_del_p2p_wdev(net); #endif /* WL_CFG80211_P2P_DEV_IF */ #ifdef DHD_4WAYM4_FAIL_DISCONNECT dhd_cleanup_m4_state_work(&dhd->pub, ifidx); #endif /* DHD_4WAYM4_FAIL_DISCONNECT */ #ifdef DHD_PKTDUMP_ROAM dhd_dump_pkt_clear(&dhd->pub); #endif /* DHD_PKTDUMP_ROAM */ dhd_net_if_lock_local(dhd); for (i = 1; i < DHD_MAX_IFS; i++) dhd_remove_if(&dhd->pub, i, FALSE); if (ifp && ifp->net) { dhd_if_del_sta_list(ifp); } #ifdef ARP_OFFLOAD_SUPPORT if (dhd_inetaddr_notifier_registered) { dhd_inetaddr_notifier_registered = FALSE; unregister_inetaddr_notifier(&dhd_inetaddr_notifier); } #endif /* ARP_OFFLOAD_SUPPORT */ #if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) if (dhd_inet6addr_notifier_registered) { dhd_inet6addr_notifier_registered = FALSE; unregister_inet6addr_notifier(&dhd_inet6addr_notifier); } #endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ dhd_net_if_unlock_local(dhd); } #if 0 // terence 20161024: remove this to prevent dev_close() get stuck in dhd_hang_process cancel_work_sync(dhd->dhd_deferred_wq); #endif #ifdef SHOW_LOGTRACE /* Wait till event logs work/kthread finishes */ dhd_cancel_logtrace_process_sync(dhd); #endif /* SHOW_LOGTRACE */ #if defined(DHD_LB_RXP) __skb_queue_purge(&dhd->rx_pend_queue); #endif /* DHD_LB_RXP */ #if defined(DHD_LB_TXP) skb_queue_purge(&dhd->tx_pend_queue); #endif /* DHD_LB_TXP */ } #if defined(ARGOS_NOTIFY_CB) argos_register_notifier_deinit(); #endif // endif #ifdef DHDTCPACK_SUPPRESS dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF); #endif /* DHDTCPACK_SUPPRESS */ #if defined(DHD_LB_RXP) if (ifp && ifp->net == dhd->rx_napi_netdev) { DHD_INFO(("%s napi<%p> disabled ifp->net<%p,%s>\n", __FUNCTION__, &dhd->rx_napi_struct, net, net->name)); skb_queue_purge(&dhd->rx_napi_queue); napi_disable(&dhd->rx_napi_struct); netif_napi_del(&dhd->rx_napi_struct); dhd->rx_napi_netdev = NULL; } #endif /* DHD_LB_RXP */ } #endif /* WL_CFG80211 */ DHD_SSSR_DUMP_DEINIT(&dhd->pub); #ifdef PROP_TXSTATUS dhd_wlfc_cleanup(&dhd->pub, NULL, 0); #endif // endif #ifdef SHOW_LOGTRACE if (!dhd_download_fw_on_driverload) { /* Release the skbs from queue for WLC_E_TRACE event */ dhd_event_logtrace_flush_queue(&dhd->pub); if (dhd->dhd_state & DHD_ATTACH_LOGTRACE_INIT) { if (dhd->event_data.fmts) { MFREE(dhd->pub.osh, dhd->event_data.fmts, dhd->event_data.fmts_size); dhd->event_data.fmts = NULL; } if (dhd->event_data.raw_fmts) { MFREE(dhd->pub.osh, dhd->event_data.raw_fmts, dhd->event_data.raw_fmts_size); dhd->event_data.raw_fmts = NULL; } if (dhd->event_data.raw_sstr) { MFREE(dhd->pub.osh, dhd->event_data.raw_sstr, dhd->event_data.raw_sstr_size); dhd->event_data.raw_sstr = NULL; } if (dhd->event_data.rom_raw_sstr) { MFREE(dhd->pub.osh, dhd->event_data.rom_raw_sstr, dhd->event_data.rom_raw_sstr_size); dhd->event_data.rom_raw_sstr = NULL; } dhd->dhd_state &= ~DHD_ATTACH_LOGTRACE_INIT; } } #endif /* SHOW_LOGTRACE */ #ifdef APF dhd_dev_apf_delete_filter(net); #endif /* APF */ /* Stop the protocol module */ dhd_prot_stop(&dhd->pub); OLD_MOD_DEC_USE_COUNT; exit: if (skip_reset == false) { #if defined(WL_WIRELESS_EXT) if (ifidx == 0) { wl_iw_down(net, &dhd->pub); } #endif /* defined(WL_WIRELESS_EXT) */ #ifdef WL_ESCAN if (ifidx == 0) { wl_escan_down(net, &dhd->pub); } #endif /* WL_ESCAN */ if (ifidx == 0 && !dhd_download_fw_on_driverload) { #if defined(BT_OVER_SDIO) dhd_bus_put(&dhd->pub, WLAN_MODULE); wl_android_set_wifi_on_flag(FALSE); #else wl_android_wifi_off(net, TRUE); #if defined(WL_EXT_IAPSTA) || defined(USE_IW) || defined(WL_ESCAN) #ifdef WL_EXT_IAPSTA wl_ext_iapsta_dettach_netdev(net, ifidx); #endif /* WL_EXT_IAPSTA */ #ifdef WL_ESCAN wl_escan_event_dettach(net, &dhd->pub); #endif /* WL_ESCAN */ wl_ext_event_dettach_netdev(net, ifidx); #endif /* WL_EXT_IAPSTA || USE_IW || WL_ESCAN */ #endif /* BT_OVER_SDIO */ } #ifdef SUPPORT_DEEP_SLEEP else { /* CSP#505233: Flags to indicate if we distingish * power off policy when user set the memu * "Keep Wi-Fi on during sleep" to "Never" */ if (trigger_deep_sleep) { dhd_deepsleep(net, 1); trigger_deep_sleep = 0; } } #endif /* SUPPORT_DEEP_SLEEP */ dhd->pub.hang_was_sent = 0; dhd->pub.hang_was_pending = 0; /* Clear country spec for for built-in type driver */ if (!dhd_download_fw_on_driverload) { dhd->pub.dhd_cspec.country_abbrev[0] = 0x00; dhd->pub.dhd_cspec.rev = 0; dhd->pub.dhd_cspec.ccode[0] = 0x00; } #ifdef BCMDBGFS dhd_dbgfs_remove(); #endif // endif } DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); /* Destroy wakelock */ if (!dhd_download_fw_on_driverload && (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT) && (skip_reset == false)) { DHD_OS_WAKE_LOCK_DESTROY(dhd); dhd->dhd_state &= ~DHD_ATTACH_STATE_WAKELOCKS_INIT; } printf("%s: Exit %s\n", __FUNCTION__, net->name); mutex_unlock(&dhd->pub.ndev_op_sync); return 0; } #if defined(WL_CFG80211) && (defined(USE_INITIAL_2G_SCAN) || \ defined(USE_INITIAL_SHORT_DWELL_TIME)) extern bool g_first_broadcast_scan; #endif /* OEM_ANDROID && WL_CFG80211 && (USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME) */ #ifdef WL11U static int dhd_interworking_enable(dhd_pub_t *dhd) { uint32 enable = true; int ret = BCME_OK; ret = dhd_iovar(dhd, 0, "interworking", (char *)&enable, sizeof(enable), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: enableing interworking failed, ret=%d\n", __FUNCTION__, ret)); } return ret; } #endif /* WL11u */ static int dhd_open(struct net_device *net) { dhd_info_t *dhd = DHD_DEV_INFO(net); #ifdef TOE uint32 toe_ol; #endif // endif int ifidx; int32 ret = 0; #if defined(OOB_INTR_ONLY) uint32 bus_type = -1; uint32 bus_num = -1; uint32 slot_num = -1; wifi_adapter_info_t *adapter = NULL; #endif #if defined(WL_EXT_IAPSTA) && defined(ISAM_PREINIT) int bytes_written = 0; #endif mutex_lock(&dhd->pub.ndev_op_sync); if (dhd->pub.up == 1) { /* already up */ DHD_ERROR(("Primary net_device is already up \n")); mutex_unlock(&dhd->pub.ndev_op_sync); return BCME_OK; } if (!dhd_download_fw_on_driverload) { if (!dhd_driver_init_done) { DHD_ERROR(("%s: WLAN driver is not initialized\n", __FUNCTION__)); mutex_unlock(&dhd->pub.ndev_op_sync); return -1; } } printf("%s: Enter %s\n", __FUNCTION__, net->name); DHD_MUTEX_LOCK(); /* Init wakelock */ if (!dhd_download_fw_on_driverload) { if (!(dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { DHD_OS_WAKE_LOCK_INIT(dhd); dhd->dhd_state |= DHD_ATTACH_STATE_WAKELOCKS_INIT; } #ifdef SHOW_LOGTRACE skb_queue_head_init(&dhd->evt_trace_queue); if (!(dhd->dhd_state & DHD_ATTACH_LOGTRACE_INIT)) { ret = dhd_init_logstrs_array(dhd->pub.osh, &dhd->event_data); if (ret == BCME_OK) { dhd_init_static_strs_array(dhd->pub.osh, &dhd->event_data, st_str_file_path, map_file_path); dhd_init_static_strs_array(dhd->pub.osh, &dhd->event_data, rom_st_str_file_path, rom_map_file_path); dhd->dhd_state |= DHD_ATTACH_LOGTRACE_INIT; } } #endif /* SHOW_LOGTRACE */ } DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); dhd->pub.dongle_trap_occured = 0; dhd->pub.hang_was_sent = 0; dhd->pub.hang_was_pending = 0; dhd->pub.hang_reason = 0; dhd->pub.iovar_timeout_occured = 0; #ifdef PCIE_FULL_DONGLE dhd->pub.d3ack_timeout_occured = 0; dhd->pub.livelock_occured = 0; dhd->pub.pktid_audit_failed = 0; #endif /* PCIE_FULL_DONGLE */ dhd->pub.iface_op_failed = 0; dhd->pub.scan_timeout_occurred = 0; dhd->pub.scan_busy_occurred = 0; dhd->pub.smmu_fault_occurred = 0; #ifdef DHD_LOSSLESS_ROAMING dhd->pub.dequeue_prec_map = ALLPRIO; #endif // endif #if 0 /* * Force start if ifconfig_up gets called before START command * We keep WEXT's wl_control_wl_start to provide backward compatibility * This should be removed in the future */ ret = wl_control_wl_start(net); if (ret != 0) { DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); ret = -1; goto exit; } #endif // endif ifidx = dhd_net2idx(dhd, net); DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx)); if (ifidx < 0) { DHD_ERROR(("%s: Error: called with invalid IF\n", __FUNCTION__)); ret = -1; goto exit; } if (!dhd->iflist[ifidx]) { DHD_ERROR(("%s: Error: called when IF already deleted\n", __FUNCTION__)); ret = -1; goto exit; } if (ifidx == 0) { atomic_set(&dhd->pend_8021x_cnt, 0); if (!dhd_download_fw_on_driverload) { DHD_ERROR(("\n%s\n", dhd_version)); DHD_STATLOG_CTRL(&dhd->pub, ST(WLAN_POWER_ON), ifidx, 0); #if defined(WL_EXT_IAPSTA) || defined(USE_IW) || defined(WL_ESCAN) wl_ext_event_attach_netdev(net, ifidx, dhd->iflist[ifidx]->bssidx); #ifdef WL_ESCAN wl_escan_event_attach(net, &dhd->pub); #endif /* WL_ESCAN */ #ifdef WL_EXT_IAPSTA wl_ext_iapsta_attach_netdev(net, ifidx, dhd->iflist[ifidx]->bssidx); #endif /* WL_EXT_IAPSTA */ #endif /* WL_EXT_IAPSTA || USE_IW || WL_ESCAN */ #if defined(USE_INITIAL_2G_SCAN) || defined(USE_INITIAL_SHORT_DWELL_TIME) g_first_broadcast_scan = TRUE; #endif /* USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME */ #ifdef SHOW_LOGTRACE /* dhd_cancel_logtrace_process_sync is called in dhd_stop * for built-in models. Need to start logtrace kthread before * calling wifi on, because once wifi is on, EDL will be in action * any moment, and if kthread is not active, FW event logs will * not be available */ if (dhd_reinit_logtrace_process(dhd) != BCME_OK) { goto exit; } #endif /* SHOW_LOGTRACE */ #if defined(BT_OVER_SDIO) ret = dhd_bus_get(&dhd->pub, WLAN_MODULE); wl_android_set_wifi_on_flag(TRUE); #else ret = wl_android_wifi_on(net); #endif /* BT_OVER_SDIO */ if (ret != 0) { DHD_ERROR(("%s : wl_android_wifi_on failed (%d)\n", __FUNCTION__, ret)); ret = -1; goto exit; } } #ifdef SUPPORT_DEEP_SLEEP else { /* Flags to indicate if we distingish * power off policy when user set the memu * "Keep Wi-Fi on during sleep" to "Never" */ if (trigger_deep_sleep) { #if defined(USE_INITIAL_2G_SCAN) || defined(USE_INITIAL_SHORT_DWELL_TIME) g_first_broadcast_scan = TRUE; #endif /* USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME */ dhd_deepsleep(net, 0); trigger_deep_sleep = 0; } } #endif /* SUPPORT_DEEP_SLEEP */ #ifdef FIX_CPU_MIN_CLOCK if (dhd_get_fw_mode(dhd) == DHD_FLAG_HOSTAP_MODE) { dhd_init_cpufreq_fix(dhd); dhd_fix_cpu_freq(dhd); } #endif /* FIX_CPU_MIN_CLOCK */ #if defined(OOB_INTR_ONLY) if (dhd->pub.conf->dpc_cpucore >= 0) { dhd_bus_get_ids(dhd->pub.bus, &bus_type, &bus_num, &slot_num); adapter = dhd_wifi_platform_get_adapter(bus_type, bus_num, slot_num); if (adapter) { printf("%s: set irq affinity hit %d\n", __FUNCTION__, dhd->pub.conf->dpc_cpucore); irq_set_affinity_hint(adapter->irq_num, cpumask_of(dhd->pub.conf->dpc_cpucore)); } } #endif if (dhd->pub.busstate != DHD_BUS_DATA) { #ifdef BCMDBUS dhd_set_path(&dhd->pub); DHD_MUTEX_UNLOCK(); wait_event_interruptible_timeout(dhd->adapter->status_event, wifi_get_adapter_status(dhd->adapter, WIFI_STATUS_FW_READY), msecs_to_jiffies(DHD_FW_READY_TIMEOUT)); DHD_MUTEX_LOCK(); if ((ret = dbus_up(dhd->pub.bus)) != 0) { DHD_ERROR(("%s: failed to dbus_up with code %d\n", __FUNCTION__, ret)); goto exit; } else { dhd->pub.busstate = DHD_BUS_DATA; } if ((ret = dhd_sync_with_dongle(&dhd->pub)) < 0) { DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); goto exit; } #else /* try to bring up bus */ DHD_PERIM_UNLOCK(&dhd->pub); #ifdef DHD_PCIE_NATIVE_RUNTIMEPM if (pm_runtime_get_sync(dhd_bus_to_dev(dhd->pub.bus)) >= 0) { ret = dhd_bus_start(&dhd->pub); pm_runtime_mark_last_busy(dhd_bus_to_dev(dhd->pub.bus)); pm_runtime_put_autosuspend(dhd_bus_to_dev(dhd->pub.bus)); } #else ret = dhd_bus_start(&dhd->pub); #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ DHD_PERIM_LOCK(&dhd->pub); if (ret) { DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); ret = -1; goto exit; } #endif /* !BCMDBUS */ } #ifdef WL_EXT_IAPSTA wl_ext_iapsta_attach_name(net, ifidx); #endif #ifdef BT_OVER_SDIO if (dhd->pub.is_bt_recovery_required) { DHD_ERROR(("%s: Send Hang Notification 2 to BT\n", __FUNCTION__)); bcmsdh_btsdio_process_dhd_hang_notification(TRUE); } dhd->pub.is_bt_recovery_required = FALSE; #endif // endif /* dhd_sync_with_dongle has been called in dhd_bus_start or wl_android_wifi_on */ memcpy(net->dev_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); #ifdef TOE /* Get current TOE mode from dongle */ if (dhd_toe_get(dhd, ifidx, &toe_ol) >= 0 && (toe_ol & TOE_TX_CSUM_OL) != 0) { dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM; } else { dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM; } #endif /* TOE */ #if defined(DHD_LB_RXP) __skb_queue_head_init(&dhd->rx_pend_queue); if (dhd->rx_napi_netdev == NULL) { dhd->rx_napi_netdev = dhd->iflist[ifidx]->net; memset(&dhd->rx_napi_struct, 0, sizeof(struct napi_struct)); netif_napi_add(dhd->rx_napi_netdev, &dhd->rx_napi_struct, dhd_napi_poll, dhd_napi_weight); DHD_INFO(("%s napi<%p> enabled ifp->net<%p,%s>\n", __FUNCTION__, &dhd->rx_napi_struct, net, net->name)); napi_enable(&dhd->rx_napi_struct); DHD_INFO(("%s load balance init rx_napi_struct\n", __FUNCTION__)); skb_queue_head_init(&dhd->rx_napi_queue); } /* rx_napi_netdev == NULL */ #endif /* DHD_LB_RXP */ #if defined(DHD_LB_TXP) /* Use the variant that uses locks */ skb_queue_head_init(&dhd->tx_pend_queue); #endif /* DHD_LB_TXP */ #if defined(WL_CFG80211) if (unlikely(wl_cfg80211_up(net))) { DHD_ERROR(("%s: failed to bring up cfg80211\n", __FUNCTION__)); ret = -1; goto exit; } if (!dhd_download_fw_on_driverload) { #ifdef ARP_OFFLOAD_SUPPORT dhd->pend_ipaddr = 0; if (!dhd_inetaddr_notifier_registered) { dhd_inetaddr_notifier_registered = TRUE; register_inetaddr_notifier(&dhd_inetaddr_notifier); } #endif /* ARP_OFFLOAD_SUPPORT */ #if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) if (!dhd_inet6addr_notifier_registered) { dhd_inet6addr_notifier_registered = TRUE; register_inet6addr_notifier(&dhd_inet6addr_notifier); } #endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ } #if defined(DHD_CONTROL_PCIE_ASPM_WIFI_TURNON) dhd_bus_aspm_enable_rc_ep(dhd->pub.bus, TRUE); #endif /* DHD_CONTROL_PCIE_ASPM_WIFI_TURNON */ #if defined(DHD_CONTROL_PCIE_CPUCORE_WIFI_TURNON) dhd_irq_set_affinity(&dhd->pub, cpumask_of(0)); #endif /* DHD_CONTROL_PCIE_CPUCORE_WIFI_TURNON */ #ifdef DHD_LB_IRQSET dhd_irq_set_affinity(&dhd->pub, dhd->cpumask_primary); #endif /* DHD_LB_IRQSET */ #if defined(ARGOS_NOTIFY_CB) argos_register_notifier_init(net); #endif // endif #if defined(NUM_SCB_MAX_PROBE) dhd_set_scb_probe(&dhd->pub); #endif /* NUM_SCB_MAX_PROBE */ #endif /* WL_CFG80211 */ #if defined(WL_WIRELESS_EXT) if (unlikely(wl_iw_up(net, &dhd->pub))) { DHD_ERROR(("%s: failed to bring up wext\n", __FUNCTION__)); ret = -1; goto exit; } #endif #ifdef WL_ESCAN if (unlikely(wl_escan_up(net, &dhd->pub))) { DHD_ERROR(("%s: failed to bring up escan\n", __FUNCTION__)); ret = -1; goto exit; } #endif /* WL_ESCAN */ #if defined(ISAM_PREINIT) if (!dhd_download_fw_on_driverload) { if (dhd->pub.conf) { wl_android_ext_priv_cmd(net, dhd->pub.conf->isam_init, 0, &bytes_written); wl_android_ext_priv_cmd(net, dhd->pub.conf->isam_config, 0, &bytes_written); wl_android_ext_priv_cmd(net, dhd->pub.conf->isam_enable, 0, &bytes_written); } } #endif } dhd->pub.up = 1; if (wl_event_enable) { /* For wl utility to receive events */ dhd->pub.wl_event_enabled = true; } else { dhd->pub.wl_event_enabled = false; } if (logtrace_pkt_sendup) { /* For any deamon to recieve logtrace */ dhd->pub.logtrace_pkt_sendup = true; } else { dhd->pub.logtrace_pkt_sendup = false; } OLD_MOD_INC_USE_COUNT; #ifdef BCMDBGFS dhd_dbgfs_init(&dhd->pub); #endif // endif exit: mutex_unlock(&dhd->pub.ndev_op_sync); if (ret) { dhd_stop(net); } DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); DHD_MUTEX_UNLOCK(); printf("%s: Exit %s ret=%d\n", __FUNCTION__, net->name, ret); return ret; } /* * ndo_start handler for primary ndev */ static int dhd_pri_open(struct net_device *net) { s32 ret; ret = dhd_open(net); if (unlikely(ret)) { DHD_ERROR(("Failed to open primary dev ret %d\n", ret)); return ret; } /* Allow transmit calls */ netif_start_queue(net); DHD_ERROR(("[%s] tx queue started\n", net->name)); return ret; } /* * ndo_stop handler for primary ndev */ static int dhd_pri_stop(struct net_device *net) { s32 ret; /* stop tx queue */ netif_stop_queue(net); DHD_ERROR(("[%s] tx queue stopped\n", net->name)); ret = dhd_stop(net); if (unlikely(ret)) { DHD_ERROR(("dhd_stop failed: %d\n", ret)); return ret; } return ret; } #if defined(WL_STATIC_IF) && defined(WL_CFG80211) /* * For static I/Fs, the firmware interface init * is done from the IFF_UP context. */ static int dhd_static_if_open(struct net_device *net) { s32 ret = 0; struct bcm_cfg80211 *cfg; struct net_device *primary_netdev = NULL; cfg = wl_get_cfg(net); primary_netdev = bcmcfg_to_prmry_ndev(cfg); if (!IS_CFG80211_STATIC_IF(cfg, net)) { DHD_TRACE(("non-static interface (%s)..do nothing \n", net->name)); ret = BCME_OK; goto done; } printf("%s: Enter %s\n", __FUNCTION__, net->name); /* Ensure fw is initialized. If it is already initialized, * dhd_open will return success. */ ret = dhd_open(primary_netdev); if (unlikely(ret)) { DHD_ERROR(("Failed to open primary dev ret %d\n", ret)); goto done; } ret = wl_cfg80211_static_if_open(net); if (!ret) { /* Allow transmit calls */ netif_start_queue(net); } done: printf("%s: Exit %s ret=%d\n", __FUNCTION__, net->name, ret); return ret; } static int dhd_static_if_stop(struct net_device *net) { struct bcm_cfg80211 *cfg; struct net_device *primary_netdev = NULL; int ret = BCME_OK; dhd_info_t *dhd = DHD_DEV_INFO(net); printf("%s: Enter %s\n", __FUNCTION__, net->name); /* Ensure queue is disabled */ netif_tx_disable(net); cfg = wl_get_cfg(net); if (!IS_CFG80211_STATIC_IF(cfg, net)) { DHD_TRACE(("non-static interface (%s)..do nothing \n", net->name)); return BCME_OK; } ret = wl_cfg80211_static_if_close(net); if (dhd->pub.up == 0) { /* If fw is down, return */ DHD_ERROR(("fw down\n")); return BCME_OK; } /* If STA iface is not in operational, invoke dhd_close from this * context. */ primary_netdev = bcmcfg_to_prmry_ndev(cfg); if (!(primary_netdev->flags & IFF_UP)) { ret = dhd_stop(primary_netdev); } else { DHD_ERROR(("Skipped dhd_stop, as sta is operational\n")); } printf("%s: Exit %s ret=%d\n", __FUNCTION__, net->name, ret); return ret; } #endif /* WL_STATIC_IF && WL_CF80211 */ int dhd_do_driver_init(struct net_device *net) { dhd_info_t *dhd = NULL; if (!net) { DHD_ERROR(("Primary Interface not initialized \n")); return -EINVAL; } DHD_MUTEX_IS_LOCK_RETURN(); /* && defined(OEM_ANDROID) && defined(BCMSDIO) */ dhd = DHD_DEV_INFO(net); /* If driver is already initialized, do nothing */ if (dhd->pub.busstate == DHD_BUS_DATA) { DHD_TRACE(("Driver already Inititalized. Nothing to do")); return 0; } if (dhd_open(net) < 0) { DHD_ERROR(("Driver Init Failed \n")); return -1; } return 0; } int dhd_event_ifadd(dhd_info_t *dhdinfo, wl_event_data_if_t *ifevent, char *name, uint8 *mac) { #ifdef WL_CFG80211 if (wl_cfg80211_notify_ifadd(dhd_linux_get_primary_netdev(&dhdinfo->pub), ifevent->ifidx, name, mac, ifevent->bssidx, ifevent->role) == BCME_OK) return BCME_OK; #endif // endif /* handle IF event caused by wl commands, SoftAP, WEXT and * anything else. This has to be done asynchronously otherwise * DPC will be blocked (and iovars will timeout as DPC has no chance * to read the response back) */ if (ifevent->ifidx > 0) { dhd_if_event_t *if_event = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_event_t)); if (if_event == NULL) { DHD_ERROR(("dhd_event_ifadd: Failed MALLOC, malloced %d bytes", MALLOCED(dhdinfo->pub.osh))); return BCME_NOMEM; } memcpy(&if_event->event, ifevent, sizeof(if_event->event)); memcpy(if_event->mac, mac, ETHER_ADDR_LEN); strncpy(if_event->name, name, IFNAMSIZ); if_event->name[IFNAMSIZ - 1] = '\0'; dhd_deferred_schedule_work(dhdinfo->dhd_deferred_wq, (void *)if_event, DHD_WQ_WORK_IF_ADD, dhd_ifadd_event_handler, DHD_WQ_WORK_PRIORITY_LOW); } return BCME_OK; } int dhd_event_ifdel(dhd_info_t *dhdinfo, wl_event_data_if_t *ifevent, char *name, uint8 *mac) { dhd_if_event_t *if_event; #ifdef WL_CFG80211 if (wl_cfg80211_notify_ifdel(dhd_linux_get_primary_netdev(&dhdinfo->pub), ifevent->ifidx, name, mac, ifevent->bssidx) == BCME_OK) return BCME_OK; #endif /* WL_CFG80211 */ /* handle IF event caused by wl commands, SoftAP, WEXT and * anything else */ if_event = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_event_t)); if (if_event == NULL) { DHD_ERROR(("dhd_event_ifdel: malloc failed for if_event, malloced %d bytes", MALLOCED(dhdinfo->pub.osh))); return BCME_NOMEM; } memcpy(&if_event->event, ifevent, sizeof(if_event->event)); memcpy(if_event->mac, mac, ETHER_ADDR_LEN); strncpy(if_event->name, name, IFNAMSIZ); if_event->name[IFNAMSIZ - 1] = '\0'; dhd_deferred_schedule_work(dhdinfo->dhd_deferred_wq, (void *)if_event, DHD_WQ_WORK_IF_DEL, dhd_ifdel_event_handler, DHD_WQ_WORK_PRIORITY_LOW); return BCME_OK; } int dhd_event_ifchange(dhd_info_t *dhdinfo, wl_event_data_if_t *ifevent, char *name, uint8 *mac) { #ifdef DHD_UPDATE_INTF_MAC dhd_if_event_t *if_event; #endif /* DHD_UPDATE_INTF_MAC */ #ifdef WL_CFG80211 wl_cfg80211_notify_ifchange(dhd_linux_get_primary_netdev(&dhdinfo->pub), ifevent->ifidx, name, mac, ifevent->bssidx); #endif /* WL_CFG80211 */ #ifdef DHD_UPDATE_INTF_MAC /* handle IF event caused by wl commands, SoftAP, WEXT, MBSS and * anything else */ if_event = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_event_t)); if (if_event == NULL) { DHD_ERROR(("dhd_event_ifdel: malloc failed for if_event, malloced %d bytes", MALLOCED(dhdinfo->pub.osh))); return BCME_NOMEM; } memcpy(&if_event->event, ifevent, sizeof(if_event->event)); // construct a change event if_event->event.ifidx = dhd_ifname2idx(dhdinfo, name); if_event->event.opcode = WLC_E_IF_CHANGE; memcpy(if_event->mac, mac, ETHER_ADDR_LEN); strncpy(if_event->name, name, IFNAMSIZ); if_event->name[IFNAMSIZ - 1] = '\0'; dhd_deferred_schedule_work(dhdinfo->dhd_deferred_wq, (void *)if_event, DHD_WQ_WORK_IF_UPDATE, dhd_ifupdate_event_handler, DHD_WQ_WORK_PRIORITY_LOW); #endif /* DHD_UPDATE_INTF_MAC */ return BCME_OK; } #ifdef WL_NATOE /* Handler to update natoe info and bind with new subscriptions if there is change in config */ static void dhd_natoe_ct_event_hanlder(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; wl_event_data_natoe_t *natoe = event_info; dhd_nfct_info_t *nfct = dhd->pub.nfct; if (event != DHD_WQ_WORK_NATOE_EVENT) { DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); return; } if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } if (natoe->natoe_active && natoe->sta_ip && natoe->start_port && natoe->end_port && (natoe->start_port < natoe->end_port)) { /* Rebind subscriptions to start receiving notifications from groups */ if (dhd_ct_nl_bind(nfct, nfct->subscriptions) < 0) { dhd_ct_close(nfct); } dhd_ct_send_dump_req(nfct); } else if (!natoe->natoe_active) { /* Rebind subscriptions to stop receiving notifications from groups */ if (dhd_ct_nl_bind(nfct, CT_NULL_SUBSCRIPTION) < 0) { dhd_ct_close(nfct); } } } /* As NATOE enable/disbale event is received, we have to bind with new NL subscriptions. * Scheduling workq to switch from tasklet context as bind call may sleep in handler */ int dhd_natoe_ct_event(dhd_pub_t *dhd, char *data) { wl_event_data_natoe_t *event_data = (wl_event_data_natoe_t *)data; if (dhd->nfct) { wl_event_data_natoe_t *natoe = dhd->nfct->natoe_info; uint8 prev_enable = natoe->natoe_active; spin_lock_bh(&dhd->nfct_lock); memcpy(natoe, event_data, sizeof(*event_data)); spin_unlock_bh(&dhd->nfct_lock); if (prev_enable != event_data->natoe_active) { dhd_deferred_schedule_work(dhd->info->dhd_deferred_wq, (void *)natoe, DHD_WQ_WORK_NATOE_EVENT, dhd_natoe_ct_event_hanlder, DHD_WQ_WORK_PRIORITY_LOW); } return BCME_OK; } DHD_ERROR(("%s ERROR NFCT is not enabled \n", __FUNCTION__)); return BCME_ERROR; } /* Handler to send natoe ioctl to dongle */ static void dhd_natoe_ct_ioctl_handler(void *handle, void *event_info, uint8 event) { dhd_info_t *dhd = handle; dhd_ct_ioc_t *ct_ioc = event_info; if (event != DHD_WQ_WORK_NATOE_IOCTL) { DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); return; } if (!dhd) { DHD_ERROR(("%s: dhd info not available \n", __FUNCTION__)); return; } if (dhd_natoe_prep_send_exception_port_ioctl(&dhd->pub, ct_ioc) < 0) { DHD_ERROR(("%s: Error in sending NATOE IOCTL \n", __FUNCTION__)); } } /* When Netlink message contains port collision info, the info must be sent to dongle FW * For that we have to switch context from softirq/tasklet by scheduling workq for natoe_ct ioctl */ void dhd_natoe_ct_ioctl_schedule_work(dhd_pub_t *dhd, dhd_ct_ioc_t *ioc) { dhd_deferred_schedule_work(dhd->info->dhd_deferred_wq, (void *)ioc, DHD_WQ_WORK_NATOE_IOCTL, dhd_natoe_ct_ioctl_handler, DHD_WQ_WORK_PRIORITY_HIGH); } #endif /* WL_NATOE */ /* This API maps ndev to ifp inclusive of static IFs */ static dhd_if_t * dhd_get_ifp_by_ndev(dhd_pub_t *dhdp, struct net_device *ndev) { dhd_if_t *ifp = NULL; #ifdef WL_STATIC_IF u32 ifidx = (DHD_MAX_IFS + DHD_MAX_STATIC_IFS - 1); #else u32 ifidx = (DHD_MAX_IFS - 1); #endif /* WL_STATIC_IF */ dhd_info_t *dhdinfo = (dhd_info_t *)dhdp->info; do { ifp = dhdinfo->iflist[ifidx]; if (ifp && (ifp->net == ndev)) { DHD_TRACE(("match found for %s. ifidx:%d\n", ndev->name, ifidx)); return ifp; } } while (ifidx--); DHD_ERROR(("no entry found for %s\n", ndev->name)); return NULL; } bool dhd_is_static_ndev(dhd_pub_t *dhdp, struct net_device *ndev) { dhd_if_t *ifp = NULL; if (!dhdp || !ndev) { DHD_ERROR(("wrong input\n")); ASSERT(0); return false; } ifp = dhd_get_ifp_by_ndev(dhdp, ndev); return (ifp && (ifp->static_if == true)); } #ifdef WL_STATIC_IF /* In some cases, while registering I/F, the actual ifidx, bssidx and dngl_name * are not known. For e.g: static i/f case. This function lets to update it once * it is known. */ s32 dhd_update_iflist_info(dhd_pub_t *dhdp, struct net_device *ndev, int ifidx, uint8 *mac, uint8 bssidx, const char *dngl_name, int if_state) { dhd_info_t *dhdinfo = (dhd_info_t *)dhdp->info; dhd_if_t *ifp, *ifp_new; s32 cur_idx; dhd_dev_priv_t * dev_priv; DHD_TRACE(("[STATIC_IF] update ifinfo for state:%d ifidx:%d\n", if_state, ifidx)); ASSERT(dhdinfo && (ifidx < (DHD_MAX_IFS + DHD_MAX_STATIC_IFS))); if ((ifp = dhd_get_ifp_by_ndev(dhdp, ndev)) == NULL) { return -ENODEV; } cur_idx = ifp->idx; if (if_state == NDEV_STATE_OS_IF_CREATED) { /* mark static if */ ifp->static_if = TRUE; return BCME_OK; } ifp_new = dhdinfo->iflist[ifidx]; if (ifp_new && (ifp_new != ifp)) { /* There should be only one entry for a given ifidx. */ DHD_ERROR(("ifp ptr already present for ifidx:%d\n", ifidx)); ASSERT(0); dhdp->hang_reason = HANG_REASON_IFACE_ADD_FAILURE; net_os_send_hang_message(ifp->net); return -EINVAL; } /* For static if delete case, cleanup the if before ifidx update */ if ((if_state == NDEV_STATE_FW_IF_DELETED) || (if_state == NDEV_STATE_FW_IF_FAILED)) { dhd_cleanup_if(ifp->net); dev_priv = DHD_DEV_PRIV(ndev); dev_priv->ifidx = ifidx; } /* update the iflist ifidx slot with cached info */ dhdinfo->iflist[ifidx] = ifp; dhdinfo->iflist[cur_idx] = NULL; /* update the values */ ifp->idx = ifidx; ifp->bssidx = bssidx; if (if_state == NDEV_STATE_FW_IF_CREATED) { dhd_dev_priv_save(ndev, dhdinfo, ifp, ifidx); /* initialize the dongle provided if name */ if (dngl_name) { strlcpy(ifp->dngl_name, dngl_name, IFNAMSIZ); } else if (ndev->name[0] != '\0') { strlcpy(ifp->dngl_name, ndev->name, IFNAMSIZ); } if (mac != NULL) { (void)memcpy_s(&ifp->mac_addr, ETHER_ADDR_LEN, mac, ETHER_ADDR_LEN); } #if defined(WL_EXT_IAPSTA) || defined(USE_IW) || defined(WL_ESCAN) wl_ext_event_attach_netdev(ndev, ifidx, bssidx); #ifdef WL_ESCAN wl_escan_event_attach(ndev, dhdp); #endif /* WL_ESCAN */ #ifdef WL_EXT_IAPSTA wl_ext_iapsta_ifadding(ndev, ifidx); wl_ext_iapsta_attach_netdev(ndev, ifidx, bssidx); wl_ext_iapsta_attach_name(ndev, ifidx); #endif /* WL_EXT_IAPSTA */ } else if (if_state == NDEV_STATE_FW_IF_DELETED) { #ifdef WL_EXT_IAPSTA wl_ext_iapsta_dettach_netdev(ndev, cur_idx); #endif /* WL_EXT_IAPSTA */ #ifdef WL_ESCAN wl_escan_event_dettach(ndev, dhdp); #endif /* WL_ESCAN */ wl_ext_event_dettach_netdev(ndev, cur_idx); #endif /* WL_EXT_IAPSTA || USE_IW || WL_ESCAN */ } DHD_INFO(("[STATIC_IF] ifp ptr updated for ifidx:%d curidx:%d if_state:%d\n", ifidx, cur_idx, if_state)); return BCME_OK; } #endif /* WL_STATIC_IF */ /* unregister and free the existing net_device interface (if any) in iflist and * allocate a new one. the slot is reused. this function does NOT register the * new interface to linux kernel. dhd_register_if does the job */ struct net_device* dhd_allocate_if(dhd_pub_t *dhdpub, int ifidx, const char *name, uint8 *mac, uint8 bssidx, bool need_rtnl_lock, const char *dngl_name) { dhd_info_t *dhdinfo = (dhd_info_t *)dhdpub->info; dhd_if_t *ifp; ASSERT(dhdinfo && (ifidx < (DHD_MAX_IFS + DHD_MAX_STATIC_IFS))); ifp = dhdinfo->iflist[ifidx]; if (ifp != NULL) { if (ifp->net != NULL) { DHD_ERROR(("%s: free existing IF %s ifidx:%d \n", __FUNCTION__, ifp->net->name, ifidx)); if (ifidx == 0) { /* For primary ifidx (0), there shouldn't be * any netdev present already. */ DHD_ERROR(("Primary ifidx populated already\n")); ASSERT(0); return NULL; } dhd_dev_priv_clear(ifp->net); /* clear net_device private */ /* in unregister_netdev case, the interface gets freed by net->destructor * (which is set to free_netdev) */ if (ifp->net->reg_state == NETREG_UNINITIALIZED) { free_netdev(ifp->net); } else { netif_stop_queue(ifp->net); if (need_rtnl_lock) unregister_netdev(ifp->net); else unregister_netdevice(ifp->net); } ifp->net = NULL; } } else { ifp = MALLOC(dhdinfo->pub.osh, sizeof(dhd_if_t)); if (ifp == NULL) { DHD_ERROR(("%s: OOM - dhd_if_t(%zu)\n", __FUNCTION__, sizeof(dhd_if_t))); return NULL; } } memset(ifp, 0, sizeof(dhd_if_t)); ifp->info = dhdinfo; ifp->idx = ifidx; ifp->bssidx = bssidx; #ifdef DHD_MCAST_REGEN ifp->mcast_regen_bss_enable = FALSE; #endif // endif /* set to TRUE rx_pkt_chainable at alloc time */ ifp->rx_pkt_chainable = TRUE; if (mac != NULL) memcpy(&ifp->mac_addr, mac, ETHER_ADDR_LEN); /* Allocate etherdev, including space for private structure */ ifp->net = alloc_etherdev(DHD_DEV_PRIV_SIZE); if (ifp->net == NULL) { DHD_ERROR(("%s: OOM - alloc_etherdev(%zu)\n", __FUNCTION__, sizeof(dhdinfo))); goto fail; } /* Setup the dhd interface's netdevice private structure. */ dhd_dev_priv_save(ifp->net, dhdinfo, ifp, ifidx); if (name && name[0]) { strncpy(ifp->net->name, name, IFNAMSIZ); ifp->net->name[IFNAMSIZ - 1] = '\0'; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 9)) #define IFP_NET_DESTRUCTOR ifp->net->priv_destructor #else #define IFP_NET_DESTRUCTOR ifp->net->destructor #endif // endif #ifdef WL_CFG80211 if (ifidx == 0) { IFP_NET_DESTRUCTOR = free_netdev; } else { IFP_NET_DESTRUCTOR = dhd_netdev_free; } #else IFP_NET_DESTRUCTOR = free_netdev; #endif /* WL_CFG80211 */ strncpy(ifp->name, ifp->net->name, IFNAMSIZ); ifp->name[IFNAMSIZ - 1] = '\0'; dhdinfo->iflist[ifidx] = ifp; /* initialize the dongle provided if name */ if (dngl_name) { strncpy(ifp->dngl_name, dngl_name, IFNAMSIZ); } else if (name) { strncpy(ifp->dngl_name, name, IFNAMSIZ); } #ifdef PCIE_FULL_DONGLE /* Initialize STA info list */ INIT_LIST_HEAD(&ifp->sta_list); DHD_IF_STA_LIST_LOCK_INIT(ifp); #endif /* PCIE_FULL_DONGLE */ #ifdef DHD_L2_FILTER ifp->phnd_arp_table = init_l2_filter_arp_table(dhdpub->osh); ifp->parp_allnode = TRUE; #endif /* DHD_L2_FILTER */ DHD_CUMM_CTR_INIT(&ifp->cumm_ctr); #ifdef DHD_4WAYM4_FAIL_DISCONNECT INIT_DELAYED_WORK(&ifp->m4state_work, dhd_m4_state_handler); #endif /* DHD_4WAYM4_FAIL_DISCONNECT */ #ifdef DHD_POST_EAPOL_M1_AFTER_ROAM_EVT ifp->recv_reassoc_evt = FALSE; ifp->post_roam_evt = FALSE; #endif /* DHD_POST_EAPOL_M1_AFTER_ROAM_EVT */ #ifdef DHDTCPSYNC_FLOOD_BLK INIT_WORK(&ifp->blk_tsfl_work, dhd_blk_tsfl_handler); dhd_reset_tcpsync_info_by_ifp(ifp); #endif /* DHDTCPSYNC_FLOOD_BLK */ return ifp->net; fail: if (ifp != NULL) { if (ifp->net != NULL) { #if defined(DHD_LB_RXP) && defined(PCIE_FULL_DONGLE) if (ifp->net == dhdinfo->rx_napi_netdev) { napi_disable(&dhdinfo->rx_napi_struct); netif_napi_del(&dhdinfo->rx_napi_struct); skb_queue_purge(&dhdinfo->rx_napi_queue); dhdinfo->rx_napi_netdev = NULL; } #endif /* DHD_LB_RXP && PCIE_FULL_DONGLE */ dhd_dev_priv_clear(ifp->net); free_netdev(ifp->net); ifp->net = NULL; } MFREE(dhdinfo->pub.osh, ifp, sizeof(*ifp)); ifp = NULL; } dhdinfo->iflist[ifidx] = NULL; return NULL; } static void dhd_cleanup_ifp(dhd_pub_t *dhdp, dhd_if_t *ifp) { #ifdef PCIE_FULL_DONGLE s32 ifidx = 0; if_flow_lkup_t *if_flow_lkup = (if_flow_lkup_t *)dhdp->if_flow_lkup; #endif /* PCIE_FULL_DONGLE */ if (ifp != NULL) { if ((ifp->idx < 0) || (ifp->idx >= DHD_MAX_IFS)) { DHD_ERROR(("Wrong idx:%d \n", ifp->idx)); ASSERT(0); return; } #ifdef DHD_L2_FILTER bcm_l2_filter_arp_table_update(dhdpub->osh, ifp->phnd_arp_table, TRUE, NULL, FALSE, dhdpub->tickcnt); deinit_l2_filter_arp_table(dhdpub->osh, ifp->phnd_arp_table); ifp->phnd_arp_table = NULL; #endif /* DHD_L2_FILTER */ dhd_if_del_sta_list(ifp); #ifdef PCIE_FULL_DONGLE /* Delete flowrings of virtual interface */ ifidx = ifp->idx; if ((ifidx != 0) && (if_flow_lkup[ifidx].role != WLC_E_IF_ROLE_AP)) { dhd_flow_rings_delete(dhdp, ifidx); } #endif /* PCIE_FULL_DONGLE */ } } void dhd_cleanup_if(struct net_device *net) { dhd_info_t *dhdinfo = DHD_DEV_INFO(net); dhd_pub_t *dhdp = &dhdinfo->pub; dhd_if_t *ifp; if (!(ifp = dhd_get_ifp_by_ndev(dhdp, net)) || (ifp->idx >= DHD_MAX_IFS)) { DHD_ERROR(("Wrong ifidx: %p, %d\n", ifp, ifp ? ifp->idx : -1)); ASSERT(0); return; } dhd_cleanup_ifp(dhdp, ifp); } /* unregister and free the the net_device interface associated with the indexed * slot, also free the slot memory and set the slot pointer to NULL */ #define DHD_TX_COMPLETION_TIMEOUT 5000 int dhd_remove_if(dhd_pub_t *dhdpub, int ifidx, bool need_rtnl_lock) { dhd_info_t *dhdinfo = (dhd_info_t *)dhdpub->info; dhd_if_t *ifp; unsigned long flags; long timeout; ifp = dhdinfo->iflist[ifidx]; if (ifp != NULL) { #ifdef DHD_4WAYM4_FAIL_DISCONNECT cancel_delayed_work_sync(&ifp->m4state_work); #endif /* DHD_4WAYM4_FAIL_DISCONNECT */ #ifdef DHDTCPSYNC_FLOOD_BLK cancel_work_sync(&ifp->blk_tsfl_work); #endif /* DHDTCPSYNC_FLOOD_BLK */ #ifdef WL_STATIC_IF /* static IF will be handled in detach */ if (ifp->static_if) { DHD_TRACE(("Skip del iface for static interface\n")); return BCME_OK; } #endif /* WL_STATIC_IF */ if (ifp->net != NULL) { DHD_ERROR(("deleting interface '%s' idx %d\n", ifp->net->name, ifp->idx)); DHD_GENERAL_LOCK(dhdpub, flags); ifp->del_in_progress = true; DHD_GENERAL_UNLOCK(dhdpub, flags); /* If TX is in progress, hold the if del */ if (DHD_IF_IS_TX_ACTIVE(ifp)) { DHD_INFO(("TX in progress. Wait for it to be complete.")); timeout = wait_event_timeout(dhdpub->tx_completion_wait, ((ifp->tx_paths_active & DHD_TX_CONTEXT_MASK) == 0), msecs_to_jiffies(DHD_TX_COMPLETION_TIMEOUT)); if (!timeout) { /* Tx completion timeout. Attempt proceeding ahead */ DHD_ERROR(("Tx completion timed out!\n")); ASSERT(0); } } else { DHD_TRACE(("No outstanding TX!\n")); } dhdinfo->iflist[ifidx] = NULL; /* in unregister_netdev case, the interface gets freed by net->destructor * (which is set to free_netdev) */ if (ifp->net->reg_state == NETREG_UNINITIALIZED) { free_netdev(ifp->net); } else { netif_tx_disable(ifp->net); #if defined(SET_RPS_CPUS) custom_rps_map_clear(ifp->net->_rx); #endif /* SET_RPS_CPUS */ #if defined(SET_RPS_CPUS) #if (defined(DHDTCPACK_SUPPRESS) && defined(BCMPCIE)) dhd_tcpack_suppress_set(dhdpub, TCPACK_SUP_OFF); #endif /* DHDTCPACK_SUPPRESS && BCMPCIE */ #endif // endif if (need_rtnl_lock) unregister_netdev(ifp->net); else unregister_netdevice(ifp->net); #if defined(WL_EXT_IAPSTA) || defined(USE_IW) || defined(WL_ESCAN) #ifdef WL_EXT_IAPSTA wl_ext_iapsta_dettach_netdev(ifp->net, ifidx); #endif /* WL_EXT_IAPSTA */ #ifdef WL_ESCAN wl_escan_event_dettach(ifp->net, dhdpub); #endif /* WL_ESCAN */ wl_ext_event_dettach_netdev(ifp->net, ifidx); #endif /* WL_EXT_IAPSTA || USE_IW || WL_ESCAN */ } ifp->net = NULL; DHD_GENERAL_LOCK(dhdpub, flags); ifp->del_in_progress = false; DHD_GENERAL_UNLOCK(dhdpub, flags); } dhd_cleanup_ifp(dhdpub, ifp); DHD_CUMM_CTR_INIT(&ifp->cumm_ctr); MFREE(dhdinfo->pub.osh, ifp, sizeof(*ifp)); ifp = NULL; } return BCME_OK; } static struct net_device_ops dhd_ops_pri = { .ndo_open = dhd_pri_open, .ndo_stop = dhd_pri_stop, .ndo_get_stats = dhd_get_stats, #ifdef DHD_PCIE_NATIVE_RUNTIMEPM .ndo_do_ioctl = dhd_ioctl_entry_wrapper, .ndo_start_xmit = dhd_start_xmit_wrapper, #else .ndo_do_ioctl = dhd_ioctl_entry, .ndo_start_xmit = dhd_start_xmit, #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ .ndo_set_mac_address = dhd_set_mac_address, #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) .ndo_set_rx_mode = dhd_set_multicast_list, #else .ndo_set_multicast_list = dhd_set_multicast_list, #endif // endif }; static struct net_device_ops dhd_ops_virt = { #if defined(WL_CFG80211) && defined(WL_STATIC_IF) .ndo_open = dhd_static_if_open, .ndo_stop = dhd_static_if_stop, #endif // endif .ndo_get_stats = dhd_get_stats, #ifdef DHD_PCIE_NATIVE_RUNTIMEPM .ndo_do_ioctl = dhd_ioctl_entry_wrapper, .ndo_start_xmit = dhd_start_xmit_wrapper, #else .ndo_do_ioctl = dhd_ioctl_entry, .ndo_start_xmit = dhd_start_xmit, #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ .ndo_set_mac_address = dhd_set_mac_address, #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) .ndo_set_rx_mode = dhd_set_multicast_list, #else .ndo_set_multicast_list = dhd_set_multicast_list, #endif // endif }; int dhd_os_write_file_posn(void *fp, unsigned long *posn, void *buf, unsigned long buflen) { loff_t wr_posn = *posn; if (!fp || !buf || buflen == 0) return -1; if (compat_vfs_write((struct file *)fp, buf, buflen, &wr_posn) < 0) return -1; *posn = wr_posn; return 0; } #ifdef SHOW_LOGTRACE int dhd_os_read_file(void *file, char *buf, uint32 size) { struct file *filep = (struct file *)file; if (!file || !buf) return -1; return vfs_read(filep, buf, size, &filep->f_pos); } int dhd_os_seek_file(void *file, int64 offset) { struct file *filep = (struct file *)file; if (!file) return -1; /* offset can be -ve */ filep->f_pos = filep->f_pos + offset; return 0; } static int dhd_init_logstrs_array(osl_t *osh, dhd_event_log_t *temp) { struct file *filep = NULL; struct kstat stat; mm_segment_t fs; char *raw_fmts = NULL; int logstrs_size = 0; int error = 0; fs = get_fs(); set_fs(KERNEL_DS); filep = filp_open(logstrs_path, O_RDONLY, 0); if (IS_ERR(filep)) { DHD_ERROR_NO_HW4(("%s: Failed to open the file %s \n", __FUNCTION__, logstrs_path)); goto fail; } error = vfs_stat(logstrs_path, &stat); if (error) { DHD_ERROR_NO_HW4(("%s: Failed to stat file %s \n", __FUNCTION__, logstrs_path)); goto fail; } logstrs_size = (int) stat.size; if (logstrs_size == 0) { DHD_ERROR(("%s: return as logstrs_size is 0\n", __FUNCTION__)); goto fail1; } raw_fmts = MALLOC(osh, logstrs_size); if (raw_fmts == NULL) { DHD_ERROR(("%s: Failed to allocate memory \n", __FUNCTION__)); goto fail; } if (vfs_read(filep, raw_fmts, logstrs_size, &filep->f_pos) != logstrs_size) { DHD_ERROR_NO_HW4(("%s: Failed to read file %s\n", __FUNCTION__, logstrs_path)); goto fail; } if (dhd_parse_logstrs_file(osh, raw_fmts, logstrs_size, temp) == BCME_OK) { filp_close(filep, NULL); set_fs(fs); return BCME_OK; } fail: if (raw_fmts) { MFREE(osh, raw_fmts, logstrs_size); raw_fmts = NULL; } fail1: if (!IS_ERR(filep)) filp_close(filep, NULL); set_fs(fs); temp->fmts = NULL; return BCME_ERROR; } static int dhd_read_map(osl_t *osh, char *fname, uint32 *ramstart, uint32 *rodata_start, uint32 *rodata_end) { struct file *filep = NULL; mm_segment_t fs; int err = BCME_ERROR; if (fname == NULL) { DHD_ERROR(("%s: ERROR fname is NULL \n", __FUNCTION__)); return BCME_ERROR; } fs = get_fs(); set_fs(KERNEL_DS); filep = filp_open(fname, O_RDONLY, 0); if (IS_ERR(filep)) { DHD_ERROR_NO_HW4(("%s: Failed to open %s \n", __FUNCTION__, fname)); goto fail; } if ((err = dhd_parse_map_file(osh, filep, ramstart, rodata_start, rodata_end)) < 0) goto fail; fail: if (!IS_ERR(filep)) filp_close(filep, NULL); set_fs(fs); return err; } static int dhd_init_static_strs_array(osl_t *osh, dhd_event_log_t *temp, char *str_file, char *map_file) { struct file *filep = NULL; mm_segment_t fs; char *raw_fmts = NULL; uint32 logstrs_size = 0; int error = 0; uint32 ramstart = 0; uint32 rodata_start = 0; uint32 rodata_end = 0; uint32 logfilebase = 0; error = dhd_read_map(osh, map_file, &ramstart, &rodata_start, &rodata_end); if (error != BCME_OK) { DHD_ERROR(("readmap Error!! \n")); /* don't do event log parsing in actual case */ if (strstr(str_file, ram_file_str) != NULL) { temp->raw_sstr = NULL; } else if (strstr(str_file, rom_file_str) != NULL) { temp->rom_raw_sstr = NULL; } return error; } DHD_ERROR(("ramstart: 0x%x, rodata_start: 0x%x, rodata_end:0x%x\n", ramstart, rodata_start, rodata_end)); fs = get_fs(); set_fs(KERNEL_DS); filep = filp_open(str_file, O_RDONLY, 0); if (IS_ERR(filep)) { DHD_ERROR(("%s: Failed to open the file %s \n", __FUNCTION__, str_file)); goto fail; } if (TRUE) { /* Full file size is huge. Just read required part */ logstrs_size = rodata_end - rodata_start; logfilebase = rodata_start - ramstart; } if (logstrs_size == 0) { DHD_ERROR(("%s: return as logstrs_size is 0\n", __FUNCTION__)); goto fail1; } raw_fmts = MALLOC(osh, logstrs_size); if (raw_fmts == NULL) { DHD_ERROR(("%s: Failed to allocate raw_fmts memory \n", __FUNCTION__)); goto fail; } if (TRUE) { error = generic_file_llseek(filep, logfilebase, SEEK_SET); if (error < 0) { DHD_ERROR(("%s: %s llseek failed %d \n", __FUNCTION__, str_file, error)); goto fail; } } error = vfs_read(filep, raw_fmts, logstrs_size, (&filep->f_pos)); if (error != logstrs_size) { DHD_ERROR(("%s: %s read failed %d \n", __FUNCTION__, str_file, error)); goto fail; } if (strstr(str_file, ram_file_str) != NULL) { temp->raw_sstr = raw_fmts; temp->raw_sstr_size = logstrs_size; temp->rodata_start = rodata_start; temp->rodata_end = rodata_end; } else if (strstr(str_file, rom_file_str) != NULL) { temp->rom_raw_sstr = raw_fmts; temp->rom_raw_sstr_size = logstrs_size; temp->rom_rodata_start = rodata_start; temp->rom_rodata_end = rodata_end; } filp_close(filep, NULL); set_fs(fs); return BCME_OK; fail: if (raw_fmts) { MFREE(osh, raw_fmts, logstrs_size); raw_fmts = NULL; } fail1: if (!IS_ERR(filep)) filp_close(filep, NULL); set_fs(fs); if (strstr(str_file, ram_file_str) != NULL) { temp->raw_sstr = NULL; } else if (strstr(str_file, rom_file_str) != NULL) { temp->rom_raw_sstr = NULL; } return error; } /* dhd_init_static_strs_array */ #endif /* SHOW_LOGTRACE */ #ifdef DHD_ERPOM uint enable_erpom = 0; module_param(enable_erpom, int, 0); int dhd_wlan_power_off_handler(void *handler, unsigned char reason) { dhd_pub_t *dhdp = (dhd_pub_t *)handler; bool dongle_isolation = dhdp->dongle_isolation; DHD_ERROR(("%s: WLAN DHD cleanup reason: %d\n", __FUNCTION__, reason)); if ((reason == BY_BT_DUE_TO_BT) || (reason == BY_BT_DUE_TO_WLAN)) { #if defined(DHD_FW_COREDUMP) /* save core dump to a file */ if (dhdp->memdump_enabled) { #ifdef DHD_SSSR_DUMP dhdp->collect_sssr = TRUE; #endif /* DHD_SSSR_DUMP */ dhdp->memdump_type = DUMP_TYPE_DUE_TO_BT; dhd_bus_mem_dump(dhdp); } #endif /* DHD_FW_COREDUMP */ } /* pause data on all the interfaces */ dhd_bus_stop_queue(dhdp->bus); /* Devreset function will perform FLR again, to avoid it set dongle_isolation */ dhdp->dongle_isolation = TRUE; dhd_bus_devreset(dhdp, 1); /* DHD structure cleanup */ dhdp->dongle_isolation = dongle_isolation; /* Restore the old value */ return 0; } int dhd_wlan_power_on_handler(void *handler, unsigned char reason) { dhd_pub_t *dhdp = (dhd_pub_t *)handler; bool dongle_isolation = dhdp->dongle_isolation; DHD_ERROR(("%s: WLAN DHD re-init reason: %d\n", __FUNCTION__, reason)); /* Devreset function will perform FLR again, to avoid it set dongle_isolation */ dhdp->dongle_isolation = TRUE; dhd_bus_devreset(dhdp, 0); /* DHD structure re-init */ dhdp->dongle_isolation = dongle_isolation; /* Restore the old value */ /* resume data on all the interfaces */ dhd_bus_start_queue(dhdp->bus); return 0; } #endif /* DHD_ERPOM */ #ifdef BCMDBUS uint dhd_get_rxsz(dhd_pub_t *pub) { struct net_device *net = NULL; dhd_info_t *dhd = NULL; uint rxsz; /* Assign rxsz for dbus_attach */ dhd = pub->info; net = dhd->iflist[0]->net; net->hard_header_len = ETH_HLEN + pub->hdrlen; rxsz = DBUS_RX_BUFFER_SIZE_DHD(net); return rxsz; } void dhd_set_path(dhd_pub_t *pub) { dhd_info_t *dhd = NULL; dhd = pub->info; /* try to download image and nvram to the dongle */ if (dhd_update_fw_nv_path(dhd) && dhd->pub.bus) { DHD_INFO(("%s: fw %s, nv %s, conf %s\n", __FUNCTION__, dhd->fw_path, dhd->nv_path, dhd->conf_path)); dhd_bus_update_fw_nv_path(dhd->pub.bus, dhd->fw_path, dhd->nv_path, dhd->clm_path, dhd->conf_path); } } #endif /** Called once for each hardware (dongle) instance that this DHD manages */ dhd_pub_t * dhd_attach(osl_t *osh, struct dhd_bus *bus, uint bus_hdrlen #ifdef BCMDBUS , void *data #endif ) { dhd_info_t *dhd = NULL; struct net_device *net = NULL; char if_name[IFNAMSIZ] = {'\0'}; #ifdef SHOW_LOGTRACE int ret; #endif /* SHOW_LOGTRACE */ #ifdef DHD_ERPOM pom_func_handler_t *pom_handler; #endif /* DHD_ERPOM */ #if defined(BCMSDIO) || defined(BCMPCIE) uint32 bus_type = -1; uint32 bus_num = -1; uint32 slot_num = -1; wifi_adapter_info_t *adapter = NULL; #elif defined(BCMDBUS) wifi_adapter_info_t *adapter = data; #endif #ifdef GET_CUSTOM_MAC_ENABLE char hw_ether[62]; #endif /* GET_CUSTOM_MAC_ENABLE */ dhd_attach_states_t dhd_state = DHD_ATTACH_STATE_INIT; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); #ifdef PCIE_FULL_DONGLE ASSERT(sizeof(dhd_pkttag_fd_t) <= OSL_PKTTAG_SZ); ASSERT(sizeof(dhd_pkttag_fr_t) <= OSL_PKTTAG_SZ); #endif /* PCIE_FULL_DONGLE */ /* will implement get_ids for DBUS later */ #if defined(BCMSDIO) dhd_bus_get_ids(bus, &bus_type, &bus_num, &slot_num); #endif // endif #if defined(BCMSDIO) || defined(BCMPCIE) adapter = dhd_wifi_platform_get_adapter(bus_type, bus_num, slot_num); #endif /* Allocate primary dhd_info */ dhd = wifi_platform_prealloc(adapter, DHD_PREALLOC_DHD_INFO, sizeof(dhd_info_t)); if (dhd == NULL) { dhd = MALLOC(osh, sizeof(dhd_info_t)); if (dhd == NULL) { DHD_ERROR(("%s: OOM - alloc dhd_info\n", __FUNCTION__)); goto dhd_null_flag; } } memset(dhd, 0, sizeof(dhd_info_t)); dhd_state |= DHD_ATTACH_STATE_DHD_ALLOC; dhd->unit = dhd_found + instance_base; /* do not increment dhd_found, yet */ dhd->pub.osh = osh; #ifdef DUMP_IOCTL_IOV_LIST dll_init(&(dhd->pub.dump_iovlist_head)); #endif /* DUMP_IOCTL_IOV_LIST */ dhd->adapter = adapter; dhd->pub.adapter = (void *)adapter; #ifdef BT_OVER_SDIO dhd->pub.is_bt_recovery_required = FALSE; mutex_init(&dhd->bus_user_lock); #endif /* BT_OVER_SDIO */ g_dhd_pub = &dhd->pub; #ifdef DHD_DEBUG dll_init(&(dhd->pub.mw_list_head)); #endif /* DHD_DEBUG */ #ifdef GET_CUSTOM_MAC_ENABLE wifi_platform_get_mac_addr(dhd->adapter, hw_ether, iface_name); bcopy(hw_ether, dhd->pub.mac.octet, sizeof(struct ether_addr)); #endif /* GET_CUSTOM_MAC_ENABLE */ #ifdef CUSTOM_FORCE_NODFS_FLAG dhd->pub.dhd_cflags |= WLAN_PLAT_NODFS_FLAG; dhd->pub.force_country_change = TRUE; #endif /* CUSTOM_FORCE_NODFS_FLAG */ #ifdef CUSTOM_COUNTRY_CODE get_customized_country_code(dhd->adapter, dhd->pub.dhd_cspec.country_abbrev, &dhd->pub.dhd_cspec, dhd->pub.dhd_cflags); #endif /* CUSTOM_COUNTRY_CODE */ #ifndef BCMDBUS dhd->thr_dpc_ctl.thr_pid = DHD_PID_KT_TL_INVALID; dhd->thr_wdt_ctl.thr_pid = DHD_PID_KT_INVALID; #ifdef DHD_WET dhd->pub.wet_info = dhd_get_wet_info(&dhd->pub); #endif /* DHD_WET */ /* Initialize thread based operation and lock */ sema_init(&dhd->sdsem, 1); #endif /* !BCMDBUS */ dhd->pub.pcie_txs_metadata_enable = pcie_txs_metadata_enable; /* Link to info module */ dhd->pub.info = dhd; /* Link to bus module */ dhd->pub.bus = bus; dhd->pub.hdrlen = bus_hdrlen; dhd->pub.txoff = FALSE; /* dhd_conf must be attached after linking dhd to dhd->pub.info, * because dhd_detech will check .info is NULL or not. */ if (dhd_conf_attach(&dhd->pub) != 0) { DHD_ERROR(("dhd_conf_attach failed\n")); goto fail; } #ifndef BCMDBUS dhd_conf_reset(&dhd->pub); dhd_conf_set_chiprev(&dhd->pub, dhd_bus_chip(bus), dhd_bus_chiprev(bus)); dhd_conf_preinit(&dhd->pub); #endif /* !BCMDBUS */ /* Some DHD modules (e.g. cfg80211) configures operation mode based on firmware name. * This is indeed a hack but we have to make it work properly before we have a better * solution */ dhd_update_fw_nv_path(dhd); /* Set network interface name if it was provided as module parameter */ if (iface_name[0]) { int len; char ch; strncpy(if_name, iface_name, IFNAMSIZ); if_name[IFNAMSIZ - 1] = 0; len = strlen(if_name); ch = if_name[len - 1]; if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2)) strncat(if_name, "%d", IFNAMSIZ - len - 1); } /* Passing NULL to dngl_name to ensure host gets if_name in dngl_name member */ net = dhd_allocate_if(&dhd->pub, 0, if_name, NULL, 0, TRUE, NULL); if (net == NULL) { goto fail; } mutex_init(&dhd->pub.ndev_op_sync); dhd_state |= DHD_ATTACH_STATE_ADD_IF; #ifdef DHD_L2_FILTER /* initialize the l2_filter_cnt */ dhd->pub.l2_filter_cnt = 0; #endif // endif net->netdev_ops = NULL; mutex_init(&dhd->dhd_iovar_mutex); sema_init(&dhd->proto_sem, 1); #ifdef DHD_ULP if (!(dhd_ulp_init(osh, &dhd->pub))) goto fail; #endif /* DHD_ULP */ #ifdef PROP_TXSTATUS spin_lock_init(&dhd->wlfc_spinlock); dhd->pub.skip_fc = dhd_wlfc_skip_fc; dhd->pub.plat_init = dhd_wlfc_plat_init; dhd->pub.plat_deinit = dhd_wlfc_plat_deinit; #ifdef DHD_WLFC_THREAD init_waitqueue_head(&dhd->pub.wlfc_wqhead); dhd->pub.wlfc_thread = kthread_create(dhd_wlfc_transfer_packets, &dhd->pub, "wlfc-thread"); if (IS_ERR(dhd->pub.wlfc_thread)) { DHD_ERROR(("create wlfc thread failed\n")); goto fail; } else { wake_up_process(dhd->pub.wlfc_thread); } #endif /* DHD_WLFC_THREAD */ #endif /* PROP_TXSTATUS */ /* Initialize other structure content */ init_waitqueue_head(&dhd->ioctl_resp_wait); init_waitqueue_head(&dhd->d3ack_wait); init_waitqueue_head(&dhd->ctrl_wait); init_waitqueue_head(&dhd->dhd_bus_busy_state_wait); init_waitqueue_head(&dhd->dmaxfer_wait); init_waitqueue_head(&dhd->pub.tx_completion_wait); dhd->pub.dhd_bus_busy_state = 0; /* Initialize the spinlocks */ spin_lock_init(&dhd->sdlock); spin_lock_init(&dhd->txqlock); spin_lock_init(&dhd->dhd_lock); spin_lock_init(&dhd->rxf_lock); #ifdef WLTDLS spin_lock_init(&dhd->pub.tdls_lock); #endif /* WLTDLS */ #if defined(RXFRAME_THREAD) dhd->rxthread_enabled = TRUE; #endif /* defined(RXFRAME_THREAD) */ #ifdef DHDTCPACK_SUPPRESS spin_lock_init(&dhd->tcpack_lock); #endif /* DHDTCPACK_SUPPRESS */ /* Initialize Wakelock stuff */ spin_lock_init(&dhd->wakelock_spinlock); spin_lock_init(&dhd->wakelock_evt_spinlock); DHD_OS_WAKE_LOCK_INIT(dhd); dhd->wakelock_counter = 0; /* wakelocks prevent a system from going into a low power state */ #ifdef CONFIG_HAS_WAKELOCK // terence 20161023: can not destroy wl_wifi when wlan down, it will happen null pointer in dhd_ioctl_entry wake_lock_init(&dhd->wl_wifi, WAKE_LOCK_SUSPEND, "wlan_wake"); wake_lock_init(&dhd->wl_wdwake, WAKE_LOCK_SUSPEND, "wlan_wd_wake"); #endif /* CONFIG_HAS_WAKELOCK */ mutex_init(&dhd->dhd_net_if_mutex); mutex_init(&dhd->dhd_suspend_mutex); #if defined(PKT_FILTER_SUPPORT) && defined(APF) mutex_init(&dhd->dhd_apf_mutex); #endif /* PKT_FILTER_SUPPORT && APF */ dhd_state |= DHD_ATTACH_STATE_WAKELOCKS_INIT; /* Attach and link in the protocol */ if (dhd_prot_attach(&dhd->pub) != 0) { DHD_ERROR(("dhd_prot_attach failed\n")); goto fail; } dhd_state |= DHD_ATTACH_STATE_PROT_ATTACH; #ifdef WL_CFG80211 spin_lock_init(&dhd->pub.up_lock); /* Attach and link in the cfg80211 */ if (unlikely(wl_cfg80211_attach(net, &dhd->pub))) { DHD_ERROR(("wl_cfg80211_attach failed\n")); goto fail; } dhd_monitor_init(&dhd->pub); dhd_state |= DHD_ATTACH_STATE_CFG80211; #endif // endif #if defined(WL_EXT_IAPSTA) || defined(USE_IW) || defined(WL_ESCAN) if (wl_ext_event_attach(net, &dhd->pub) != 0) { DHD_ERROR(("wl_ext_event_attach failed\n")); goto fail; } #ifdef WL_ESCAN /* Attach and link in the escan */ if (wl_escan_attach(net, &dhd->pub) != 0) { DHD_ERROR(("wl_escan_attach failed\n")); goto fail; } #endif /* WL_ESCAN */ #ifdef WL_EXT_IAPSTA if (wl_ext_iapsta_attach(&dhd->pub) != 0) { DHD_ERROR(("wl_ext_iapsta_attach failed\n")); goto fail; } #endif /* WL_EXT_IAPSTA */ #endif /* WL_EXT_IAPSTA || USE_IW || WL_ESCAN */ #if defined(WL_WIRELESS_EXT) /* Attach and link in the iw */ if (wl_iw_attach(net, &dhd->pub) != 0) { DHD_ERROR(("wl_iw_attach failed\n")); goto fail; } dhd_state |= DHD_ATTACH_STATE_WL_ATTACH; #endif /* defined(WL_WIRELESS_EXT) */ #ifdef SHOW_LOGTRACE ret = dhd_init_logstrs_array(osh, &dhd->event_data); if (ret == BCME_OK) { dhd_init_static_strs_array(osh, &dhd->event_data, st_str_file_path, map_file_path); dhd_init_static_strs_array(osh, &dhd->event_data, rom_st_str_file_path, rom_map_file_path); dhd_state |= DHD_ATTACH_LOGTRACE_INIT; } #endif /* SHOW_LOGTRACE */ /* attach debug if support */ if (dhd_os_dbg_attach(&dhd->pub)) { DHD_ERROR(("%s debug module attach failed\n", __FUNCTION__)); goto fail; } #ifdef DEBUGABILITY #if defined(SHOW_LOGTRACE) && defined(DBG_RING_LOG_INIT_DEFAULT) /* enable verbose ring to support dump_trace_buf */ dhd_os_start_logging(&dhd->pub, FW_VERBOSE_RING_NAME, 3, 0, 0, 0); #endif /* SHOW_LOGTRACE */ #ifdef DBG_PKT_MON dhd->pub.dbg->pkt_mon_lock = dhd_os_spin_lock_init(dhd->pub.osh); #ifdef DBG_PKT_MON_INIT_DEFAULT dhd_os_dbg_attach_pkt_monitor(&dhd->pub); #endif /* DBG_PKT_MON_INIT_DEFAULT */ #endif /* DBG_PKT_MON */ #endif /* DEBUGABILITY */ #ifdef DHD_STATUS_LOGGING dhd->pub.statlog = dhd_attach_statlog(&dhd->pub, MAX_STATLOG_ITEM, MAX_STATLOG_REQ_ITEM, STATLOG_LOGBUF_LEN); if (dhd->pub.statlog == NULL) { DHD_ERROR(("%s: alloc statlog failed\n", __FUNCTION__)); } #endif /* DHD_STATUS_LOGGING */ #ifdef DHD_LOG_DUMP dhd_log_dump_init(&dhd->pub); #endif /* DHD_LOG_DUMP */ #ifdef DHD_PKTDUMP_ROAM dhd_dump_pkt_init(&dhd->pub); #endif /* DHD_PKTDUMP_ROAM */ if (dhd_sta_pool_init(&dhd->pub, DHD_MAX_STA) != BCME_OK) { DHD_ERROR(("%s: Initializing %u sta\n", __FUNCTION__, DHD_MAX_STA)); goto fail; } #ifdef DHD_PCIE_NATIVE_RUNTIMEPM dhd->tx_wq = alloc_workqueue("bcmdhd-tx-wq", WQ_HIGHPRI | WQ_UNBOUND | WQ_MEM_RECLAIM, 1); if (!dhd->tx_wq) { DHD_ERROR(("%s: alloc_workqueue(bcmdhd-tx-wq) failed\n", __FUNCTION__)); goto fail; } dhd->rx_wq = alloc_workqueue("bcmdhd-rx-wq", WQ_HIGHPRI | WQ_UNBOUND | WQ_MEM_RECLAIM, 1); if (!dhd->rx_wq) { DHD_ERROR(("%s: alloc_workqueue(bcmdhd-rx-wq) failed\n", __FUNCTION__)); destroy_workqueue(dhd->tx_wq); dhd->tx_wq = NULL; goto fail; } #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ #ifndef BCMDBUS /* Set up the watchdog timer */ init_timer_compat(&dhd->timer, dhd_watchdog, dhd); dhd->default_wd_interval = dhd_watchdog_ms; if (dhd_watchdog_prio >= 0) { /* Initialize watchdog thread */ PROC_START(dhd_watchdog_thread, dhd, &dhd->thr_wdt_ctl, 0, "dhd_watchdog_thread"); if (dhd->thr_wdt_ctl.thr_pid < 0) { goto fail; } } else { dhd->thr_wdt_ctl.thr_pid = -1; } #ifdef SHOW_LOGTRACE skb_queue_head_init(&dhd->evt_trace_queue); /* Create ring proc entries */ dhd_dbg_ring_proc_create(&dhd->pub); #endif /* SHOW_LOGTRACE */ /* Set up the bottom half handler */ if (dhd_dpc_prio >= 0) { /* Initialize DPC thread */ PROC_START(dhd_dpc_thread, dhd, &dhd->thr_dpc_ctl, 0, "dhd_dpc"); if (dhd->thr_dpc_ctl.thr_pid < 0) { goto fail; } } else { /* use tasklet for dpc */ tasklet_init(&dhd->tasklet, dhd_dpc, (ulong)dhd); dhd->thr_dpc_ctl.thr_pid = -1; } if (dhd->rxthread_enabled) { bzero(&dhd->pub.skbbuf[0], sizeof(void *) * MAXSKBPEND); /* Initialize RXF thread */ PROC_START(dhd_rxf_thread, dhd, &dhd->thr_rxf_ctl, 0, "dhd_rxf"); if (dhd->thr_rxf_ctl.thr_pid < 0) { goto fail; } } #endif /* !BCMDBUS */ dhd_state |= DHD_ATTACH_STATE_THREADS_CREATED; #if defined(CONFIG_PM_SLEEP) if (!dhd_pm_notifier_registered) { dhd_pm_notifier_registered = TRUE; dhd->pm_notifier.notifier_call = dhd_pm_callback; dhd->pm_notifier.priority = 10; register_pm_notifier(&dhd->pm_notifier); } #endif /* CONFIG_PM_SLEEP */ #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20; dhd->early_suspend.suspend = dhd_early_suspend; dhd->early_suspend.resume = dhd_late_resume; register_early_suspend(&dhd->early_suspend); dhd_state |= DHD_ATTACH_STATE_EARLYSUSPEND_DONE; #endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */ #ifdef ARP_OFFLOAD_SUPPORT dhd->pend_ipaddr = 0; if (!dhd_inetaddr_notifier_registered) { dhd_inetaddr_notifier_registered = TRUE; register_inetaddr_notifier(&dhd_inetaddr_notifier); } #endif /* ARP_OFFLOAD_SUPPORT */ #if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) if (!dhd_inet6addr_notifier_registered) { dhd_inet6addr_notifier_registered = TRUE; register_inet6addr_notifier(&dhd_inet6addr_notifier); } #endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ dhd->dhd_deferred_wq = dhd_deferred_work_init((void *)dhd); INIT_WORK(&dhd->dhd_hang_process_work, dhd_hang_process); #ifdef DEBUG_CPU_FREQ dhd->new_freq = alloc_percpu(int); dhd->freq_trans.notifier_call = dhd_cpufreq_notifier; cpufreq_register_notifier(&dhd->freq_trans, CPUFREQ_TRANSITION_NOTIFIER); #endif // endif #ifdef DHDTCPACK_SUPPRESS #ifdef BCMSDIO dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_DELAYTX); #elif defined(BCMPCIE) dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_HOLD); #else dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF); #endif /* BCMSDIO */ #endif /* DHDTCPACK_SUPPRESS */ #if defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) #endif /* defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) */ #ifdef DHD_DEBUG_PAGEALLOC register_page_corrupt_cb(dhd_page_corrupt_cb, &dhd->pub); #endif /* DHD_DEBUG_PAGEALLOC */ #if defined(DHD_LB) dhd_lb_set_default_cpus(dhd); DHD_LB_STATS_INIT(&dhd->pub); /* Initialize the CPU Masks */ if (dhd_cpumasks_init(dhd) == 0) { /* Now we have the current CPU maps, run through candidacy */ dhd_select_cpu_candidacy(dhd); /* Register the call backs to CPU Hotplug sub-system */ dhd_register_cpuhp_callback(dhd); } else { /* * We are unable to initialize CPU masks, so candidacy algorithm * won't run, but still Load Balancing will be honoured based * on the CPUs allocated for a given job statically during init */ dhd->cpu_notifier.notifier_call = NULL; DHD_ERROR(("%s():dhd_cpumasks_init failed CPUs for JOB would be static\n", __FUNCTION__)); } #ifdef DHD_LB_TXP #ifdef DHD_LB_TXP_DEFAULT_ENAB /* Trun ON the feature by default */ atomic_set(&dhd->lb_txp_active, 1); #else /* Trun OFF the feature by default */ atomic_set(&dhd->lb_txp_active, 0); #endif /* DHD_LB_TXP_DEFAULT_ENAB */ #endif /* DHD_LB_TXP */ #ifdef DHD_LB_RXP /* Trun ON the feature by default */ atomic_set(&dhd->lb_rxp_active, 1); #endif /* DHD_LB_RXP */ /* Initialize the Load Balancing Tasklets and Napi object */ #if defined(DHD_LB_TXC) tasklet_init(&dhd->tx_compl_tasklet, dhd_lb_tx_compl_handler, (ulong)(&dhd->pub)); INIT_WORK(&dhd->tx_compl_dispatcher_work, dhd_tx_compl_dispatcher_fn); DHD_INFO(("%s load balance init tx_compl_tasklet\n", __FUNCTION__)); #endif /* DHD_LB_TXC */ #if defined(DHD_LB_RXC) tasklet_init(&dhd->rx_compl_tasklet, dhd_lb_rx_compl_handler, (ulong)(&dhd->pub)); INIT_WORK(&dhd->rx_compl_dispatcher_work, dhd_rx_compl_dispatcher_fn); DHD_INFO(("%s load balance init rx_compl_tasklet\n", __FUNCTION__)); #endif /* DHD_LB_RXC */ #if defined(DHD_LB_RXP) __skb_queue_head_init(&dhd->rx_pend_queue); skb_queue_head_init(&dhd->rx_napi_queue); /* Initialize the work that dispatches NAPI job to a given core */ INIT_WORK(&dhd->rx_napi_dispatcher_work, dhd_rx_napi_dispatcher_fn); DHD_INFO(("%s load balance init rx_napi_queue\n", __FUNCTION__)); #endif /* DHD_LB_RXP */ #if defined(DHD_LB_TXP) INIT_WORK(&dhd->tx_dispatcher_work, dhd_tx_dispatcher_work); skb_queue_head_init(&dhd->tx_pend_queue); /* Initialize the work that dispatches TX job to a given core */ tasklet_init(&dhd->tx_tasklet, dhd_lb_tx_handler, (ulong)(dhd)); DHD_INFO(("%s load balance init tx_pend_queue\n", __FUNCTION__)); #endif /* DHD_LB_TXP */ dhd_state |= DHD_ATTACH_STATE_LB_ATTACH_DONE; #endif /* DHD_LB */ #if defined(DNGL_AXI_ERROR_LOGGING) && defined(DHD_USE_WQ_FOR_DNGL_AXI_ERROR) INIT_WORK(&dhd->axi_error_dispatcher_work, dhd_axi_error_dispatcher_fn); #endif /* DNGL_AXI_ERROR_LOGGING && DHD_USE_WQ_FOR_DNGL_AXI_ERROR */ #if defined(BCMPCIE) dhd->pub.extended_trap_data = MALLOCZ(osh, BCMPCIE_EXT_TRAP_DATA_MAXLEN); if (dhd->pub.extended_trap_data == NULL) { DHD_ERROR(("%s: Failed to alloc extended_trap_data\n", __FUNCTION__)); } #ifdef DNGL_AXI_ERROR_LOGGING dhd->pub.axi_err_dump = MALLOCZ(osh, sizeof(dhd_axi_error_dump_t)); if (dhd->pub.axi_err_dump == NULL) { DHD_ERROR(("%s: Failed to alloc axi_err_dump\n", __FUNCTION__)); } #endif /* DNGL_AXI_ERROR_LOGGING */ #endif /* BCMPCIE && ETD */ #ifdef SHOW_LOGTRACE if (dhd_init_logtrace_process(dhd) != BCME_OK) { goto fail; } #endif /* SHOW_LOGTRACE */ DHD_SSSR_MEMPOOL_INIT(&dhd->pub); #ifdef EWP_EDL if (host_edl_support) { if (DHD_EDL_MEM_INIT(&dhd->pub) != BCME_OK) { host_edl_support = FALSE; } } #endif /* EWP_EDL */ (void)dhd_sysfs_init(dhd); #ifdef WL_NATOE /* Open Netlink socket for NF_CONNTRACK notifications */ dhd->pub.nfct = dhd_ct_open(&dhd->pub, NFNL_SUBSYS_CTNETLINK | NFNL_SUBSYS_CTNETLINK_EXP, CT_ALL); #endif /* WL_NATOE */ dhd_state |= DHD_ATTACH_STATE_DONE; dhd->dhd_state = dhd_state; dhd_found++; #ifdef CSI_SUPPORT dhd_csi_init(&dhd->pub); #endif /* CSI_SUPPORT */ #ifdef DHD_DUMP_MNGR dhd->pub.dump_file_manage = (dhd_dump_file_manage_t *)MALLOCZ(dhd->pub.osh, sizeof(dhd_dump_file_manage_t)); if (unlikely(!dhd->pub.dump_file_manage)) { DHD_ERROR(("%s(): could not allocate memory for - " "dhd_dump_file_manage_t\n", __FUNCTION__)); } #endif /* DHD_DUMP_MNGR */ #ifdef DHD_FW_COREDUMP /* Set memdump default values */ dhd->pub.memdump_enabled = DUMP_MEMFILE_BUGON; /* Check the memdump capability */ dhd_get_memdump_info(&dhd->pub); #endif /* DHD_FW_COREDUMP */ #ifdef DHD_ERPOM if (enable_erpom) { pom_handler = &dhd->pub.pom_wlan_handler; pom_handler->func_id = WLAN_FUNC_ID; pom_handler->handler = (void *)g_dhd_pub; pom_handler->power_off = dhd_wlan_power_off_handler; pom_handler->power_on = dhd_wlan_power_on_handler; dhd->pub.pom_func_register = NULL; dhd->pub.pom_func_deregister = NULL; dhd->pub.pom_toggle_reg_on = NULL; dhd->pub.pom_func_register = symbol_get(pom_func_register); dhd->pub.pom_func_deregister = symbol_get(pom_func_deregister); dhd->pub.pom_toggle_reg_on = symbol_get(pom_toggle_reg_on); symbol_put(pom_func_register); symbol_put(pom_func_deregister); symbol_put(pom_toggle_reg_on); if (!dhd->pub.pom_func_register || !dhd->pub.pom_func_deregister || !dhd->pub.pom_toggle_reg_on) { DHD_ERROR(("%s, enable_erpom enabled through module parameter but " "POM is not loaded\n", __FUNCTION__)); ASSERT(0); goto fail; } dhd->pub.pom_func_register(pom_handler); dhd->pub.enable_erpom = TRUE; } #endif /* DHD_ERPOM */ return &dhd->pub; fail: if (dhd_state >= DHD_ATTACH_STATE_DHD_ALLOC) { DHD_TRACE(("%s: Calling dhd_detach dhd_state 0x%x &dhd->pub %p\n", __FUNCTION__, dhd_state, &dhd->pub)); dhd->dhd_state = dhd_state; dhd_detach(&dhd->pub); dhd_free(&dhd->pub); } dhd_null_flag: return NULL; } int dhd_get_fw_mode(dhd_info_t *dhdinfo) { if (strstr(dhdinfo->fw_path, "_apsta") != NULL) return DHD_FLAG_HOSTAP_MODE; if (strstr(dhdinfo->fw_path, "_p2p") != NULL) return DHD_FLAG_P2P_MODE; if (strstr(dhdinfo->fw_path, "_ibss") != NULL) return DHD_FLAG_IBSS_MODE; if (strstr(dhdinfo->fw_path, "_mfg") != NULL) return DHD_FLAG_MFG_MODE; return DHD_FLAG_STA_MODE; } int dhd_bus_get_fw_mode(dhd_pub_t *dhdp) { return dhd_get_fw_mode(dhdp->info); } extern char * nvram_get(const char *name); bool dhd_update_fw_nv_path(dhd_info_t *dhdinfo) { int fw_len; int nv_len; int clm_len; int conf_len; const char *fw = NULL; const char *nv = NULL; const char *clm = NULL; const char *conf = NULL; #ifdef DHD_UCODE_DOWNLOAD int uc_len; const char *uc = NULL; #endif /* DHD_UCODE_DOWNLOAD */ wifi_adapter_info_t *adapter = dhdinfo->adapter; int fw_path_len = sizeof(dhdinfo->fw_path); int nv_path_len = sizeof(dhdinfo->nv_path); /* Update firmware and nvram path. The path may be from adapter info or module parameter * The path from adapter info is used for initialization only (as it won't change). * * The firmware_path/nvram_path module parameter may be changed by the system at run * time. When it changes we need to copy it to dhdinfo->fw_path. Also Android private * command may change dhdinfo->fw_path. As such we need to clear the path info in * module parameter after it is copied. We won't update the path until the module parameter * is changed again (first character is not '\0') */ /* set default firmware and nvram path for built-in type driver */ // if (!dhd_download_fw_on_driverload) { #ifdef CONFIG_BCMDHD_FW_PATH fw = VENDOR_PATH CONFIG_BCMDHD_FW_PATH; #endif /* CONFIG_BCMDHD_FW_PATH */ #ifdef CONFIG_BCMDHD_NVRAM_PATH nv = VENDOR_PATH CONFIG_BCMDHD_NVRAM_PATH; #endif /* CONFIG_BCMDHD_NVRAM_PATH */ // } /* check if we need to initialize the path */ if (dhdinfo->fw_path[0] == '\0') { if (adapter && adapter->fw_path && adapter->fw_path[0] != '\0') fw = adapter->fw_path; } if (dhdinfo->nv_path[0] == '\0') { if (adapter && adapter->nv_path && adapter->nv_path[0] != '\0') nv = adapter->nv_path; } if (dhdinfo->clm_path[0] == '\0') { if (adapter && adapter->clm_path && adapter->clm_path[0] != '\0') clm = adapter->clm_path; } if (dhdinfo->conf_path[0] == '\0') { if (adapter && adapter->conf_path && adapter->conf_path[0] != '\0') conf = adapter->conf_path; } /* Use module parameter if it is valid, EVEN IF the path has not been initialized * * TODO: need a solution for multi-chip, can't use the same firmware for all chips */ if (firmware_path[0] != '\0') fw = firmware_path; if (nvram_path[0] != '\0') nv = nvram_path; if (clm_path[0] != '\0') clm = clm_path; if (config_path[0] != '\0') conf = config_path; #ifdef DHD_UCODE_DOWNLOAD if (ucode_path[0] != '\0') uc = ucode_path; #endif /* DHD_UCODE_DOWNLOAD */ if (fw && fw[0] != '\0') { fw_len = strlen(fw); if (fw_len >= fw_path_len) { DHD_ERROR(("fw path len exceeds max len of dhdinfo->fw_path\n")); return FALSE; } strncpy(dhdinfo->fw_path, fw, fw_path_len); if (dhdinfo->fw_path[fw_len-1] == '\n') dhdinfo->fw_path[fw_len-1] = '\0'; } if (nv && nv[0] != '\0') { nv_len = strlen(nv); if (nv_len >= nv_path_len) { DHD_ERROR(("nvram path len exceeds max len of dhdinfo->nv_path\n")); return FALSE; } memset(dhdinfo->nv_path, 0, nv_path_len); strncpy(dhdinfo->nv_path, nv, nv_path_len); dhdinfo->nv_path[nv_len] = '\0'; #ifdef DHD_USE_SINGLE_NVRAM_FILE /* Remove "_net" or "_mfg" tag from current nvram path */ { char *nvram_tag = "nvram_"; char *ext_tag = ".txt"; char *sp_nvram = strnstr(dhdinfo->nv_path, nvram_tag, nv_path_len); bool valid_buf = sp_nvram && ((uint32)(sp_nvram + strlen(nvram_tag) + strlen(ext_tag) - dhdinfo->nv_path) <= nv_path_len); if (valid_buf) { char *sp = sp_nvram + strlen(nvram_tag) - 1; uint32 padding_size = (uint32)(dhdinfo->nv_path + nv_path_len - sp); memset(sp, 0, padding_size); strncat(dhdinfo->nv_path, ext_tag, strlen(ext_tag)); nv_len = strlen(dhdinfo->nv_path); DHD_INFO(("%s: new nvram path = %s\n", __FUNCTION__, dhdinfo->nv_path)); } else if (sp_nvram) { DHD_ERROR(("%s: buffer space for nvram path is not enough\n", __FUNCTION__)); return FALSE; } else { DHD_ERROR(("%s: Couldn't find the nvram tag. current" " nvram path = %s\n", __FUNCTION__, dhdinfo->nv_path)); } } #endif /* DHD_USE_SINGLE_NVRAM_FILE */ if (dhdinfo->nv_path[nv_len-1] == '\n') dhdinfo->nv_path[nv_len-1] = '\0'; } if (clm && clm[0] != '\0') { clm_len = strlen(clm); if (clm_len >= sizeof(dhdinfo->clm_path)) { DHD_ERROR(("clm path len exceeds max len of dhdinfo->clm_path\n")); return FALSE; } strncpy(dhdinfo->clm_path, clm, sizeof(dhdinfo->clm_path)); if (dhdinfo->clm_path[clm_len-1] == '\n') dhdinfo->clm_path[clm_len-1] = '\0'; } if (conf && conf[0] != '\0') { conf_len = strlen(conf); if (conf_len >= sizeof(dhdinfo->conf_path)) { DHD_ERROR(("config path len exceeds max len of dhdinfo->conf_path\n")); return FALSE; } strncpy(dhdinfo->conf_path, conf, sizeof(dhdinfo->conf_path)); if (dhdinfo->conf_path[conf_len-1] == '\n') dhdinfo->conf_path[conf_len-1] = '\0'; } #ifdef DHD_UCODE_DOWNLOAD if (uc && uc[0] != '\0') { uc_len = strlen(uc); if (uc_len >= sizeof(dhdinfo->uc_path)) { DHD_ERROR(("uc path len exceeds max len of dhdinfo->uc_path\n")); return FALSE; } strncpy(dhdinfo->uc_path, uc, sizeof(dhdinfo->uc_path)); if (dhdinfo->uc_path[uc_len-1] == '\n') dhdinfo->uc_path[uc_len-1] = '\0'; } #endif /* DHD_UCODE_DOWNLOAD */ #if 0 /* clear the path in module parameter */ if (dhd_download_fw_on_driverload) { firmware_path[0] = '\0'; nvram_path[0] = '\0'; clm_path[0] = '\0'; config_path[0] = '\0'; } #endif #ifdef DHD_UCODE_DOWNLOAD ucode_path[0] = '\0'; DHD_ERROR(("ucode path: %s\n", dhdinfo->uc_path)); #endif /* DHD_UCODE_DOWNLOAD */ /* fw_path and nv_path are not mandatory for BCMEMBEDIMAGE */ if (dhdinfo->fw_path[0] == '\0') { DHD_ERROR(("firmware path not found\n")); return FALSE; } if (dhdinfo->nv_path[0] == '\0') { DHD_ERROR(("nvram path not found\n")); return FALSE; } return TRUE; } #if defined(BT_OVER_SDIO) extern bool dhd_update_btfw_path(dhd_info_t *dhdinfo, char* btfw_path) { int fw_len; const char *fw = NULL; wifi_adapter_info_t *adapter = dhdinfo->adapter; /* Update bt firmware path. The path may be from adapter info or module parameter * The path from adapter info is used for initialization only (as it won't change). * * The btfw_path module parameter may be changed by the system at run * time. When it changes we need to copy it to dhdinfo->btfw_path. Also Android private * command may change dhdinfo->btfw_path. As such we need to clear the path info in * module parameter after it is copied. We won't update the path until the module parameter * is changed again (first character is not '\0') */ /* set default firmware and nvram path for built-in type driver */ if (!dhd_download_fw_on_driverload) { #ifdef CONFIG_BCMDHD_BTFW_PATH fw = CONFIG_BCMDHD_BTFW_PATH; #endif /* CONFIG_BCMDHD_FW_PATH */ } /* check if we need to initialize the path */ if (dhdinfo->btfw_path[0] == '\0') { if (adapter && adapter->btfw_path && adapter->btfw_path[0] != '\0') fw = adapter->btfw_path; } /* Use module parameter if it is valid, EVEN IF the path has not been initialized */ if (btfw_path[0] != '\0') fw = btfw_path; if (fw && fw[0] != '\0') { fw_len = strlen(fw); if (fw_len >= sizeof(dhdinfo->btfw_path)) { DHD_ERROR(("fw path len exceeds max len of dhdinfo->btfw_path\n")); return FALSE; } strncpy(dhdinfo->btfw_path, fw, sizeof(dhdinfo->btfw_path)); if (dhdinfo->btfw_path[fw_len-1] == '\n') dhdinfo->btfw_path[fw_len-1] = '\0'; } /* clear the path in module parameter */ btfw_path[0] = '\0'; if (dhdinfo->btfw_path[0] == '\0') { DHD_ERROR(("bt firmware path not found\n")); return FALSE; } return TRUE; } #endif /* defined (BT_OVER_SDIO) */ #if defined(BT_OVER_SDIO) wlan_bt_handle_t dhd_bt_get_pub_hndl(void) { DHD_ERROR(("%s: g_dhd_pub %p\n", __FUNCTION__, g_dhd_pub)); /* assuming that dhd_pub_t type pointer is available from a global variable */ return (wlan_bt_handle_t) g_dhd_pub; } EXPORT_SYMBOL(dhd_bt_get_pub_hndl); int dhd_download_btfw(wlan_bt_handle_t handle, char* btfw_path) { int ret = -1; dhd_pub_t *dhdp = (dhd_pub_t *)handle; dhd_info_t *dhd = (dhd_info_t*)dhdp->info; /* Download BT firmware image to the dongle */ if (dhd->pub.busstate == DHD_BUS_DATA && dhd_update_btfw_path(dhd, btfw_path)) { DHD_INFO(("%s: download btfw from: %s\n", __FUNCTION__, dhd->btfw_path)); ret = dhd_bus_download_btfw(dhd->pub.bus, dhd->pub.osh, dhd->btfw_path); if (ret < 0) { DHD_ERROR(("%s: failed to download btfw from: %s\n", __FUNCTION__, dhd->btfw_path)); return ret; } } return ret; } EXPORT_SYMBOL(dhd_download_btfw); #endif /* defined (BT_OVER_SDIO) */ #ifndef BCMDBUS int dhd_bus_start(dhd_pub_t *dhdp) { int ret = -1; dhd_info_t *dhd = (dhd_info_t*)dhdp->info; unsigned long flags; #if defined(DHD_DEBUG) && defined(BCMSDIO) int fw_download_start = 0, fw_download_end = 0, f2_sync_start = 0, f2_sync_end = 0; #endif /* DHD_DEBUG && BCMSDIO */ ASSERT(dhd); DHD_TRACE(("Enter %s:\n", __FUNCTION__)); dhdp->dongle_trap_occured = 0; #ifdef DHD_SSSR_DUMP /* Flag to indicate sssr dump is collected */ dhdp->sssr_dump_collected = 0; #endif /* DHD_SSSR_DUMP */ dhdp->iovar_timeout_occured = 0; #ifdef PCIE_FULL_DONGLE dhdp->d3ack_timeout_occured = 0; dhdp->livelock_occured = 0; dhdp->pktid_audit_failed = 0; #endif /* PCIE_FULL_DONGLE */ dhd->pub.iface_op_failed = 0; dhd->pub.scan_timeout_occurred = 0; dhd->pub.scan_busy_occurred = 0; /* Clear induced error during initialize */ dhd->pub.dhd_induce_error = DHD_INDUCE_ERROR_CLEAR; /* set default value for now. Will be updated again in dhd_preinit_ioctls() * after querying FW */ dhdp->event_log_max_sets = NUM_EVENT_LOG_SETS; dhdp->event_log_max_sets_queried = FALSE; dhdp->smmu_fault_occurred = 0; #ifdef DNGL_AXI_ERROR_LOGGING dhdp->axi_error = FALSE; #endif /* DNGL_AXI_ERROR_LOGGING */ DHD_PERIM_LOCK(dhdp); /* try to download image and nvram to the dongle */ if (dhd->pub.busstate == DHD_BUS_DOWN && dhd_update_fw_nv_path(dhd)) { /* Indicate FW Download has not yet done */ dhd->pub.fw_download_status = FW_DOWNLOAD_IN_PROGRESS; DHD_INFO(("%s download fw %s, nv %s, conf %s\n", __FUNCTION__, dhd->fw_path, dhd->nv_path, dhd->conf_path)); #if defined(DHD_DEBUG) && defined(BCMSDIO) fw_download_start = OSL_SYSUPTIME(); #endif /* DHD_DEBUG && BCMSDIO */ ret = dhd_bus_download_firmware(dhd->pub.bus, dhd->pub.osh, dhd->fw_path, dhd->nv_path, dhd->clm_path, dhd->conf_path); #if defined(DHD_DEBUG) && defined(BCMSDIO) fw_download_end = OSL_SYSUPTIME(); #endif /* DHD_DEBUG && BCMSDIO */ if (ret < 0) { DHD_ERROR(("%s: failed to download firmware %s\n", __FUNCTION__, dhd->fw_path)); DHD_PERIM_UNLOCK(dhdp); return ret; } /* Indicate FW Download has succeeded */ dhd->pub.fw_download_status = FW_DOWNLOAD_DONE; } if (dhd->pub.busstate != DHD_BUS_LOAD) { DHD_PERIM_UNLOCK(dhdp); return -ENETDOWN; } #ifdef BCMSDIO dhd_os_sdlock(dhdp); #endif /* BCMSDIO */ /* Start the watchdog timer */ dhd->pub.tickcnt = 0; dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); /* Bring up the bus */ if ((ret = dhd_bus_init(&dhd->pub, FALSE)) != 0) { DHD_ERROR(("%s, dhd_bus_init failed %d\n", __FUNCTION__, ret)); #ifdef BCMSDIO dhd_os_sdunlock(dhdp); #endif /* BCMSDIO */ DHD_PERIM_UNLOCK(dhdp); return ret; } DHD_ENABLE_RUNTIME_PM(&dhd->pub); #ifdef DHD_ULP dhd_ulp_set_ulp_state(dhdp, DHD_ULP_DISABLED); #endif /* DHD_ULP */ #if defined(OOB_INTR_ONLY) || defined(BCMSPI_ANDROID) || defined(BCMPCIE_OOB_HOST_WAKE) /* Host registration for OOB interrupt */ if (dhd_bus_oob_intr_register(dhdp)) { /* deactivate timer and wait for the handler to finish */ #if !defined(BCMPCIE_OOB_HOST_WAKE) DHD_GENERAL_LOCK(&dhd->pub, flags); dhd->wd_timer_valid = FALSE; DHD_GENERAL_UNLOCK(&dhd->pub, flags); del_timer_sync(&dhd->timer); #endif /* !BCMPCIE_OOB_HOST_WAKE */ DHD_DISABLE_RUNTIME_PM(&dhd->pub); DHD_PERIM_UNLOCK(dhdp); DHD_ERROR(("%s Host failed to register for OOB\n", __FUNCTION__)); DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); return -ENODEV; } #if defined(BCMPCIE_OOB_HOST_WAKE) dhd_bus_oob_intr_set(dhdp, TRUE); #else /* Enable oob at firmware */ dhd_enable_oob_intr(dhd->pub.bus, TRUE); #endif /* BCMPCIE_OOB_HOST_WAKE */ #elif defined(FORCE_WOWLAN) /* Enable oob at firmware */ dhd_enable_oob_intr(dhd->pub.bus, TRUE); #endif /* OOB_INTR_ONLY || BCMSPI_ANDROID || BCMPCIE_OOB_HOST_WAKE */ #ifdef PCIE_FULL_DONGLE { /* max_h2d_rings includes H2D common rings */ uint32 max_h2d_rings = dhd_bus_max_h2d_queues(dhd->pub.bus); DHD_ERROR(("%s: Initializing %u h2drings\n", __FUNCTION__, max_h2d_rings)); if ((ret = dhd_flow_rings_init(&dhd->pub, max_h2d_rings)) != BCME_OK) { #ifdef BCMSDIO dhd_os_sdunlock(dhdp); #endif /* BCMSDIO */ DHD_PERIM_UNLOCK(dhdp); return ret; } } #endif /* PCIE_FULL_DONGLE */ /* Do protocol initialization necessary for IOCTL/IOVAR */ ret = dhd_prot_init(&dhd->pub); if (unlikely(ret) != BCME_OK) { DHD_PERIM_UNLOCK(dhdp); DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); return ret; } /* If bus is not ready, can't come up */ if (dhd->pub.busstate != DHD_BUS_DATA) { DHD_GENERAL_LOCK(&dhd->pub, flags); dhd->wd_timer_valid = FALSE; DHD_GENERAL_UNLOCK(&dhd->pub, flags); del_timer_sync(&dhd->timer); DHD_ERROR(("%s failed bus is not ready\n", __FUNCTION__)); DHD_DISABLE_RUNTIME_PM(&dhd->pub); #ifdef BCMSDIO dhd_os_sdunlock(dhdp); #endif /* BCMSDIO */ DHD_PERIM_UNLOCK(dhdp); DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); return -ENODEV; } #ifdef BCMSDIO dhd_os_sdunlock(dhdp); #endif /* BCMSDIO */ /* Bus is ready, query any dongle information */ #if defined(DHD_DEBUG) && defined(BCMSDIO) f2_sync_start = OSL_SYSUPTIME(); #endif /* DHD_DEBUG && BCMSDIO */ if ((ret = dhd_sync_with_dongle(&dhd->pub)) < 0) { DHD_GENERAL_LOCK(&dhd->pub, flags); dhd->wd_timer_valid = FALSE; DHD_GENERAL_UNLOCK(&dhd->pub, flags); del_timer_sync(&dhd->timer); DHD_ERROR(("%s failed to sync with dongle\n", __FUNCTION__)); DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); DHD_PERIM_UNLOCK(dhdp); return ret; } #if defined(CONFIG_SOC_EXYNOS8895) || defined(CONFIG_SOC_EXYNOS9810) || \ defined(CONFIG_SOC_EXYNOS9820) DHD_ERROR(("%s: Enable L1ss EP side\n", __FUNCTION__)); exynos_pcie_l1ss_ctrl(1, PCIE_L1SS_CTRL_WIFI); #endif /* CONFIG_SOC_EXYNOS8895 || CONFIG_SOC_EXYNOS9810 || CONFIG_SOC_EXYNOS9820 */ #if defined(DHD_DEBUG) && defined(BCMSDIO) f2_sync_end = OSL_SYSUPTIME(); DHD_ERROR(("Time taken for FW download and F2 ready is: %d msec\n", (fw_download_end - fw_download_start) + (f2_sync_end - f2_sync_start))); #endif /* DHD_DEBUG && BCMSDIO */ #ifdef ARP_OFFLOAD_SUPPORT if (dhd->pend_ipaddr) { #ifdef AOE_IP_ALIAS_SUPPORT aoe_update_host_ipv4_table(&dhd->pub, dhd->pend_ipaddr, TRUE, 0); #endif /* AOE_IP_ALIAS_SUPPORT */ dhd->pend_ipaddr = 0; } #endif /* ARP_OFFLOAD_SUPPORT */ DHD_PERIM_UNLOCK(dhdp); return 0; } #endif /* !BCMDBUS */ #ifdef WLTDLS int _dhd_tdls_enable(dhd_pub_t *dhd, bool tdls_on, bool auto_on, struct ether_addr *mac) { uint32 tdls = tdls_on; int ret = 0; uint32 tdls_auto_op = 0; uint32 tdls_idle_time = CUSTOM_TDLS_IDLE_MODE_SETTING; int32 tdls_rssi_high = CUSTOM_TDLS_RSSI_THRESHOLD_HIGH; int32 tdls_rssi_low = CUSTOM_TDLS_RSSI_THRESHOLD_LOW; uint32 tdls_pktcnt_high = CUSTOM_TDLS_PCKTCNT_THRESHOLD_HIGH; uint32 tdls_pktcnt_low = CUSTOM_TDLS_PCKTCNT_THRESHOLD_LOW; BCM_REFERENCE(mac); if (!FW_SUPPORTED(dhd, tdls)) return BCME_ERROR; if (dhd->tdls_enable == tdls_on) goto auto_mode; ret = dhd_iovar(dhd, 0, "tdls_enable", (char *)&tdls, sizeof(tdls), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: tdls %d failed %d\n", __FUNCTION__, tdls, ret)); goto exit; } dhd->tdls_enable = tdls_on; auto_mode: tdls_auto_op = auto_on; ret = dhd_iovar(dhd, 0, "tdls_auto_op", (char *)&tdls_auto_op, sizeof(tdls_auto_op), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: tdls_auto_op failed %d\n", __FUNCTION__, ret)); goto exit; } if (tdls_auto_op) { ret = dhd_iovar(dhd, 0, "tdls_idle_time", (char *)&tdls_idle_time, sizeof(tdls_idle_time), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: tdls_idle_time failed %d\n", __FUNCTION__, ret)); goto exit; } ret = dhd_iovar(dhd, 0, "tdls_rssi_high", (char *)&tdls_rssi_high, sizeof(tdls_rssi_high), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: tdls_rssi_high failed %d\n", __FUNCTION__, ret)); goto exit; } ret = dhd_iovar(dhd, 0, "tdls_rssi_low", (char *)&tdls_rssi_low, sizeof(tdls_rssi_low), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: tdls_rssi_low failed %d\n", __FUNCTION__, ret)); goto exit; } ret = dhd_iovar(dhd, 0, "tdls_trigger_pktcnt_high", (char *)&tdls_pktcnt_high, sizeof(tdls_pktcnt_high), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: tdls_trigger_pktcnt_high failed %d\n", __FUNCTION__, ret)); goto exit; } ret = dhd_iovar(dhd, 0, "tdls_trigger_pktcnt_low", (char *)&tdls_pktcnt_low, sizeof(tdls_pktcnt_low), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: tdls_trigger_pktcnt_low failed %d\n", __FUNCTION__, ret)); goto exit; } } exit: return ret; } int dhd_tdls_enable(struct net_device *dev, bool tdls_on, bool auto_on, struct ether_addr *mac) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ret = 0; if (dhd) ret = _dhd_tdls_enable(&dhd->pub, tdls_on, auto_on, mac); else ret = BCME_ERROR; return ret; } int dhd_tdls_set_mode(dhd_pub_t *dhd, bool wfd_mode) { int ret = 0; bool auto_on = false; uint32 mode = wfd_mode; #ifdef ENABLE_TDLS_AUTO_MODE if (wfd_mode) { auto_on = false; } else { auto_on = true; } #else auto_on = false; #endif /* ENABLE_TDLS_AUTO_MODE */ ret = _dhd_tdls_enable(dhd, false, auto_on, NULL); if (ret < 0) { DHD_ERROR(("Disable tdls_auto_op failed. %d\n", ret)); return ret; } ret = dhd_iovar(dhd, 0, "tdls_wfd_mode", (char *)&mode, sizeof(mode), NULL, 0, TRUE); if ((ret < 0) && (ret != BCME_UNSUPPORTED)) { DHD_ERROR(("%s: tdls_wfd_mode faile_wfd_mode %d\n", __FUNCTION__, ret)); return ret; } ret = _dhd_tdls_enable(dhd, true, auto_on, NULL); if (ret < 0) { DHD_ERROR(("enable tdls_auto_op failed. %d\n", ret)); return ret; } dhd->tdls_mode = mode; return ret; } #ifdef PCIE_FULL_DONGLE int dhd_tdls_update_peer_info(dhd_pub_t *dhdp, wl_event_msg_t *event) { dhd_pub_t *dhd_pub = dhdp; tdls_peer_node_t *cur = dhd_pub->peer_tbl.node; tdls_peer_node_t *new = NULL, *prev = NULL; int ifindex = dhd_ifname2idx(dhd_pub->info, event->ifname); uint8 *da = (uint8 *)&event->addr.octet[0]; bool connect = FALSE; uint32 reason = ntoh32(event->reason); unsigned long flags; /* No handling needed for peer discovered reason */ if (reason == WLC_E_TDLS_PEER_DISCOVERED) { return BCME_ERROR; } if (reason == WLC_E_TDLS_PEER_CONNECTED) connect = TRUE; else if (reason == WLC_E_TDLS_PEER_DISCONNECTED) connect = FALSE; else { DHD_ERROR(("%s: TDLS Event reason is unknown\n", __FUNCTION__)); return BCME_ERROR; } if (ifindex == DHD_BAD_IF) return BCME_ERROR; if (connect) { while (cur != NULL) { if (!memcmp(da, cur->addr, ETHER_ADDR_LEN)) { DHD_ERROR(("%s: TDLS Peer exist already %d\n", __FUNCTION__, __LINE__)); return BCME_ERROR; } cur = cur->next; } new = MALLOC(dhd_pub->osh, sizeof(tdls_peer_node_t)); if (new == NULL) { DHD_ERROR(("%s: Failed to allocate memory\n", __FUNCTION__)); return BCME_ERROR; } memcpy(new->addr, da, ETHER_ADDR_LEN); DHD_TDLS_LOCK(&dhdp->tdls_lock, flags); new->next = dhd_pub->peer_tbl.node; dhd_pub->peer_tbl.node = new; dhd_pub->peer_tbl.tdls_peer_count++; DHD_TDLS_UNLOCK(&dhdp->tdls_lock, flags); } else { while (cur != NULL) { if (!memcmp(da, cur->addr, ETHER_ADDR_LEN)) { dhd_flow_rings_delete_for_peer(dhd_pub, (uint8)ifindex, da); DHD_TDLS_LOCK(&dhdp->tdls_lock, flags); if (prev) prev->next = cur->next; else dhd_pub->peer_tbl.node = cur->next; MFREE(dhd_pub->osh, cur, sizeof(tdls_peer_node_t)); dhd_pub->peer_tbl.tdls_peer_count--; DHD_TDLS_UNLOCK(&dhdp->tdls_lock, flags); return BCME_OK; } prev = cur; cur = cur->next; } DHD_ERROR(("%s: TDLS Peer Entry Not found\n", __FUNCTION__)); } return BCME_OK; } #endif /* PCIE_FULL_DONGLE */ #endif // endif bool dhd_is_concurrent_mode(dhd_pub_t *dhd) { if (!dhd) return FALSE; if (dhd->op_mode & DHD_FLAG_CONCURR_MULTI_CHAN_MODE) return TRUE; else if ((dhd->op_mode & DHD_FLAG_CONCURR_SINGLE_CHAN_MODE) == DHD_FLAG_CONCURR_SINGLE_CHAN_MODE) return TRUE; else return FALSE; } #if !defined(AP) && defined(WLP2P) /* From Android JerryBean release, the concurrent mode is enabled by default and the firmware * name would be fw_bcmdhd.bin. So we need to determine whether P2P is enabled in the STA * firmware and accordingly enable concurrent mode (Apply P2P settings). SoftAP firmware * would still be named as fw_bcmdhd_apsta. */ uint32 dhd_get_concurrent_capabilites(dhd_pub_t *dhd) { int32 ret = 0; char buf[WLC_IOCTL_SMLEN]; bool mchan_supported = FALSE; /* if dhd->op_mode is already set for HOSTAP and Manufacturing * test mode, that means we only will use the mode as it is */ if (dhd->op_mode & (DHD_FLAG_HOSTAP_MODE | DHD_FLAG_MFG_MODE)) return 0; if (FW_SUPPORTED(dhd, vsdb)) { mchan_supported = TRUE; } if (!FW_SUPPORTED(dhd, p2p)) { DHD_TRACE(("Chip does not support p2p\n")); return 0; } else { /* Chip supports p2p but ensure that p2p is really implemented in firmware or not */ memset(buf, 0, sizeof(buf)); ret = dhd_iovar(dhd, 0, "p2p", NULL, 0, (char *)&buf, sizeof(buf), FALSE); if (ret < 0) { DHD_ERROR(("%s: Get P2P failed (error=%d)\n", __FUNCTION__, ret)); return 0; } else { if (buf[0] == 1) { /* By default, chip supports single chan concurrency, * now lets check for mchan */ ret = DHD_FLAG_CONCURR_SINGLE_CHAN_MODE; if (mchan_supported) ret |= DHD_FLAG_CONCURR_MULTI_CHAN_MODE; if (FW_SUPPORTED(dhd, rsdb)) { ret |= DHD_FLAG_RSDB_MODE; } #ifdef WL_SUPPORT_MULTIP2P if (FW_SUPPORTED(dhd, mp2p)) { ret |= DHD_FLAG_MP2P_MODE; } #endif /* WL_SUPPORT_MULTIP2P */ #if defined(WL_ENABLE_P2P_IF) || defined(WL_CFG80211_P2P_DEV_IF) return ret; #else return 0; #endif /* WL_ENABLE_P2P_IF || WL_CFG80211_P2P_DEV_IF */ } } } return 0; } #endif // endif #if defined(WLADPS) int dhd_enable_adps(dhd_pub_t *dhd, uint8 on) { int i; int len; int ret = BCME_OK; bcm_iov_buf_t *iov_buf = NULL; wl_adps_params_v1_t *data = NULL; len = OFFSETOF(bcm_iov_buf_t, data) + sizeof(*data); iov_buf = MALLOC(dhd->osh, len); if (iov_buf == NULL) { DHD_ERROR(("%s - failed to allocate %d bytes for iov_buf\n", __FUNCTION__, len)); ret = BCME_NOMEM; goto exit; } iov_buf->version = WL_ADPS_IOV_VER; iov_buf->len = sizeof(*data); iov_buf->id = WL_ADPS_IOV_MODE; data = (wl_adps_params_v1_t *)iov_buf->data; data->version = ADPS_SUB_IOV_VERSION_1; data->length = sizeof(*data); data->mode = on; for (i = 1; i <= MAX_BANDS; i++) { data->band = i; ret = dhd_iovar(dhd, 0, "adps", (char *)iov_buf, len, NULL, 0, TRUE); if (ret < 0) { if (ret == BCME_UNSUPPORTED) { DHD_ERROR(("%s adps is not supported\n", __FUNCTION__)); ret = BCME_OK; goto exit; } else { DHD_ERROR(("%s fail to set adps %s for band %d (%d)\n", __FUNCTION__, on ? "On" : "Off", i, ret)); goto exit; } } } exit: if (iov_buf) { MFREE(dhd->osh, iov_buf, len); iov_buf = NULL; } return ret; } #endif // endif int dhd_preinit_ioctls(dhd_pub_t *dhd) { int ret = 0; char eventmask[WL_EVENTING_MASK_LEN]; char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + '\0' + bitvec */ uint32 buf_key_b4_m4 = 1; uint8 msglen; eventmsgs_ext_t *eventmask_msg = NULL; uint32 event_log_max_sets = 0; char* iov_buf = NULL; int ret2 = 0; uint32 wnm_cap = 0; #if defined(BCMSUP_4WAY_HANDSHAKE) uint32 sup_wpa = 1; #endif /* BCMSUP_4WAY_HANDSHAKE */ #if defined(CUSTOM_AMPDU_BA_WSIZE) uint32 ampdu_ba_wsize = 0; #endif // endif #if defined(CUSTOM_AMPDU_MPDU) int32 ampdu_mpdu = 0; #endif // endif #if defined(CUSTOM_AMPDU_RELEASE) int32 ampdu_release = 0; #endif // endif #if defined(CUSTOM_AMSDU_AGGSF) int32 amsdu_aggsf = 0; #endif // endif #if defined(BCMSDIO) || defined(BCMDBUS) #ifdef PROP_TXSTATUS int wlfc_enable = TRUE; #ifndef DISABLE_11N uint32 hostreorder = 1; uint wl_down = 1; #endif /* DISABLE_11N */ #endif /* PROP_TXSTATUS */ #endif /* BCMSDIO || BCMDBUS */ #ifndef PCIE_FULL_DONGLE uint32 wl_ap_isolate; #endif /* PCIE_FULL_DONGLE */ uint32 frameburst = CUSTOM_FRAMEBURST_SET; uint wnm_bsstrans_resp = 0; #ifdef SUPPORT_SET_CAC uint32 cac = 1; #endif /* SUPPORT_SET_CAC */ #ifdef DHD_ENABLE_LPC uint32 lpc = 1; #endif /* DHD_ENABLE_LPC */ uint power_mode = PM_FAST; #if defined(BCMSDIO) uint32 dongle_align = DHD_SDALIGN; uint32 glom = CUSTOM_GLOM_SETTING; #endif /* defined(BCMSDIO) */ #if defined(USE_WL_CREDALL) uint32 credall = 1; #endif // endif uint bcn_timeout = CUSTOM_BCN_TIMEOUT; uint scancache_enab = TRUE; #ifdef ENABLE_BCN_LI_BCN_WAKEUP uint32 bcn_li_bcn = 1; #endif /* ENABLE_BCN_LI_BCN_WAKEUP */ uint retry_max = CUSTOM_ASSOC_RETRY_MAX; #if defined(ARP_OFFLOAD_SUPPORT) int arpoe = 0; #endif // endif int scan_assoc_time = DHD_SCAN_ASSOC_ACTIVE_TIME; int scan_unassoc_time = DHD_SCAN_UNASSOC_ACTIVE_TIME; int scan_passive_time = DHD_SCAN_PASSIVE_TIME; char buf[WLC_IOCTL_SMLEN]; char *ptr; uint32 listen_interval = CUSTOM_LISTEN_INTERVAL; /* Default Listen Interval in Beacons */ #if defined(DHD_8021X_DUMP) && defined(SHOW_LOGTRACE) wl_el_tag_params_t *el_tag = NULL; #endif /* DHD_8021X_DUMP */ #ifdef ROAM_ENABLE uint roamvar = 0; int roam_trigger[2] = {CUSTOM_ROAM_TRIGGER_SETTING, WLC_BAND_ALL}; int roam_scan_period[2] = {10, WLC_BAND_ALL}; int roam_delta[2] = {CUSTOM_ROAM_DELTA_SETTING, WLC_BAND_ALL}; #ifdef ROAM_AP_ENV_DETECTION int roam_env_mode = AP_ENV_INDETERMINATE; #endif /* ROAM_AP_ENV_DETECTION */ #ifdef FULL_ROAMING_SCAN_PERIOD_60_SEC int roam_fullscan_period = 60; #else /* FULL_ROAMING_SCAN_PERIOD_60_SEC */ int roam_fullscan_period = 120; #endif /* FULL_ROAMING_SCAN_PERIOD_60_SEC */ #ifdef DISABLE_BCNLOSS_ROAM uint roam_bcnloss_off = 1; #endif /* DISABLE_BCNLOSS_ROAM */ #else #ifdef DISABLE_BUILTIN_ROAM uint roamvar = 1; #endif /* DISABLE_BUILTIN_ROAM */ #endif /* ROAM_ENABLE */ #if defined(SOFTAP) uint dtim = 1; #endif // endif #if (defined(AP) && !defined(WLP2P)) || (!defined(AP) && defined(WL_CFG80211)) struct ether_addr p2p_ea; #endif // endif #ifdef BCMCCX uint32 ccx = 1; #endif // endif #ifdef SOFTAP_UAPSD_OFF uint32 wme_apsd = 0; #endif /* SOFTAP_UAPSD_OFF */ #if (defined(AP) || defined(WLP2P)) && !defined(SOFTAP_AND_GC) uint32 apsta = 1; /* Enable APSTA mode */ #elif defined(SOFTAP_AND_GC) uint32 apsta = 0; int ap_mode = 1; #endif /* (defined(AP) || defined(WLP2P)) && !defined(SOFTAP_AND_GC) */ #ifdef GET_CUSTOM_MAC_ENABLE struct ether_addr ea_addr; char hw_ether[62]; #endif /* GET_CUSTOM_MAC_ENABLE */ #ifdef OKC_SUPPORT uint32 okc = 1; #endif // endif #ifdef DISABLE_11N uint32 nmode = 0; #endif /* DISABLE_11N */ #ifdef USE_WL_TXBF uint32 txbf = 1; #endif /* USE_WL_TXBF */ #ifdef DISABLE_TXBFR uint32 txbf_bfr_cap = 0; #endif /* DISABLE_TXBFR */ #ifdef AMPDU_VO_ENABLE struct ampdu_tid_control tid; #endif // endif #if defined(PROP_TXSTATUS) #ifdef USE_WFA_CERT_CONF uint32 proptx = 0; #endif /* USE_WFA_CERT_CONF */ #endif /* PROP_TXSTATUS */ #ifdef DHD_SET_FW_HIGHSPEED uint32 ack_ratio = 250; uint32 ack_ratio_depth = 64; #endif /* DHD_SET_FW_HIGHSPEED */ #if defined(SUPPORT_2G_VHT) || defined(SUPPORT_5G_1024QAM_VHT) uint32 vht_features = 0; /* init to 0, will be set based on each support */ #endif /* SUPPORT_2G_VHT || SUPPORT_5G_1024QAM_VHT */ #ifdef DISABLE_11N_PROPRIETARY_RATES uint32 ht_features = 0; #endif /* DISABLE_11N_PROPRIETARY_RATES */ #ifdef CUSTOM_PSPRETEND_THR uint32 pspretend_thr = CUSTOM_PSPRETEND_THR; #endif // endif #ifdef CUSTOM_EVENT_PM_WAKE uint32 pm_awake_thresh = CUSTOM_EVENT_PM_WAKE; #endif /* CUSTOM_EVENT_PM_WAKE */ #ifdef DISABLE_PRUNED_SCAN uint32 scan_features = 0; #endif /* DISABLE_PRUNED_SCAN */ #ifdef BCMPCIE_OOB_HOST_WAKE uint32 hostwake_oob = 0; #endif /* BCMPCIE_OOB_HOST_WAKE */ #ifdef EVENT_LOG_RATE_HC /* threshold number of lines per second */ #define EVENT_LOG_RATE_HC_THRESHOLD 1000 uint32 event_log_rate_hc = EVENT_LOG_RATE_HC_THRESHOLD; #endif /* EVENT_LOG_RATE_HC */ wl_wlc_version_t wlc_ver; #ifdef PKT_FILTER_SUPPORT dhd_pkt_filter_enable = TRUE; #ifdef APF dhd->apf_set = FALSE; #endif /* APF */ #endif /* PKT_FILTER_SUPPORT */ dhd->suspend_bcn_li_dtim = CUSTOM_SUSPEND_BCN_LI_DTIM; #ifdef ENABLE_MAX_DTIM_IN_SUSPEND dhd->max_dtim_enable = TRUE; #else dhd->max_dtim_enable = FALSE; #endif /* ENABLE_MAX_DTIM_IN_SUSPEND */ dhd->disable_dtim_in_suspend = FALSE; #ifdef SUPPORT_SET_TID dhd->tid_mode = SET_TID_OFF; dhd->target_uid = 0; dhd->target_tid = 0; #endif /* SUPPORT_SET_TID */ DHD_TRACE(("Enter %s\n", __FUNCTION__)); #ifdef DHDTCPACK_SUPPRESS dhd_tcpack_suppress_set(dhd, dhd->conf->tcpack_sup_mode); #endif dhd->op_mode = 0; #if defined(CUSTOM_COUNTRY_CODE) /* clear AP flags */ dhd->dhd_cflags &= ~WLAN_PLAT_AP_FLAG; #endif /* CUSTOM_COUNTRY_CODE && (CUSTOMER_HW2 || BOARD_HIKEY) */ /* query for 'ver' to get version info from firmware */ memset(buf, 0, sizeof(buf)); ptr = buf; ret = dhd_iovar(dhd, 0, "ver", NULL, 0, (char *)&buf, sizeof(buf), FALSE); if (ret < 0) DHD_ERROR(("%s failed %d\n", __FUNCTION__, ret)); else { bcmstrtok(&ptr, "\n", 0); /* Print fw version info */ strncpy(fw_version, buf, FW_VER_STR_LEN); fw_version[FW_VER_STR_LEN-1] = '\0'; } /* Set op_mode as MFG_MODE if WLTEST is present in "wl ver" */ if (strstr(fw_version, "WLTEST") != NULL) { DHD_ERROR(("%s: wl ver has WLTEST, setting op_mode as DHD_FLAG_MFG_MODE\n", __FUNCTION__)); op_mode = DHD_FLAG_MFG_MODE; } if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_MFG_MODE) || (op_mode == DHD_FLAG_MFG_MODE)) { dhd->op_mode = DHD_FLAG_MFG_MODE; #ifdef DHD_PCIE_NATIVE_RUNTIMEPM /* disable runtimePM by default in MFG mode. */ pm_runtime_disable(dhd_bus_to_dev(dhd->bus)); #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ /* Check and adjust IOCTL response timeout for Manufactring firmware */ dhd_os_set_ioctl_resp_timeout(MFG_IOCTL_RESP_TIMEOUT); DHD_ERROR(("%s : Set IOCTL response time for Manufactring Firmware\n", __FUNCTION__)); } else { dhd_os_set_ioctl_resp_timeout(IOCTL_RESP_TIMEOUT); DHD_INFO(("%s : Set IOCTL response time.\n", __FUNCTION__)); } #ifdef BCMPCIE_OOB_HOST_WAKE ret = dhd_iovar(dhd, 0, "bus:hostwake_oob", NULL, 0, (char *)&hostwake_oob, sizeof(hostwake_oob), FALSE); if (ret < 0) { DHD_ERROR(("%s: hostwake_oob IOVAR not present, proceed\n", __FUNCTION__)); } else { if (hostwake_oob == 0) { DHD_ERROR(("%s: hostwake_oob is not enabled in the NVRAM, STOP\n", __FUNCTION__)); ret = BCME_UNSUPPORTED; goto done; } else { DHD_ERROR(("%s: hostwake_oob enabled\n", __FUNCTION__)); } } #endif /* BCMPCIE_OOB_HOST_WAKE */ #ifdef DNGL_AXI_ERROR_LOGGING ret = dhd_iovar(dhd, 0, "axierror_logbuf_addr", NULL, 0, (char *)&dhd->axierror_logbuf_addr, sizeof(dhd->axierror_logbuf_addr), FALSE); if (ret < 0) { DHD_ERROR(("%s: axierror_logbuf_addr IOVAR not present, proceed\n", __FUNCTION__)); dhd->axierror_logbuf_addr = 0; } else { DHD_ERROR(("%s: axierror_logbuf_addr : 0x%x\n", __FUNCTION__, dhd->axierror_logbuf_addr)); } #endif /* DNGL_AXI_ERROR_LOGGING */ #ifdef EVENT_LOG_RATE_HC ret = dhd_iovar(dhd, 0, "event_log_rate_hc", (char *)&event_log_rate_hc, sizeof(event_log_rate_hc), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s event_log_rate_hc set failed %d\n", __FUNCTION__, ret)); } else { DHD_ERROR(("%s event_log_rate_hc set with threshold:%d\n", __FUNCTION__, event_log_rate_hc)); } #endif /* EVENT_LOG_RATE_HC */ #ifdef GET_CUSTOM_MAC_ENABLE memset(hw_ether, 0, sizeof(hw_ether)); ret = wifi_platform_get_mac_addr(dhd->info->adapter, hw_ether, iface_name); #ifdef GET_CUSTOM_MAC_FROM_CONFIG if (!memcmp(ðer_null, &dhd->conf->hw_ether, ETHER_ADDR_LEN)) { ret = 0; } else #endif if (!ret) { memset(buf, 0, sizeof(buf)); #ifdef GET_CUSTOM_MAC_FROM_CONFIG memcpy(hw_ether, &dhd->conf->hw_ether, sizeof(dhd->conf->hw_ether)); #endif bcopy(hw_ether, ea_addr.octet, sizeof(struct ether_addr)); bcm_mkiovar("cur_etheraddr", (void *)&ea_addr, ETHER_ADDR_LEN, buf, sizeof(buf)); ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, sizeof(buf), TRUE, 0); if (ret < 0) { memset(buf, 0, sizeof(buf)); bcm_mkiovar("hw_ether", hw_ether, sizeof(hw_ether), buf, sizeof(buf)); ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, sizeof(buf), TRUE, 0); if (ret) { DHD_ERROR(("%s: can't set MAC address MAC="MACDBG", error=%d\n", __FUNCTION__, MAC2STRDBG(hw_ether), ret)); prhex("MACPAD", &hw_ether[ETHER_ADDR_LEN], sizeof(hw_ether)-ETHER_ADDR_LEN); ret = BCME_NOTUP; goto done; } } } else { DHD_ERROR(("%s: can't get custom MAC address, ret=%d\n", __FUNCTION__, ret)); ret = BCME_NOTUP; goto done; } #endif /* GET_CUSTOM_MAC_ENABLE */ /* Get the default device MAC address directly from firmware */ memset(buf, 0, sizeof(buf)); bcm_mkiovar("cur_etheraddr", 0, 0, buf, sizeof(buf)); if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), FALSE, 0)) < 0) { DHD_ERROR(("%s: can't get MAC address , error=%d\n", __FUNCTION__, ret)); ret = BCME_NOTUP; goto done; } /* Update public MAC address after reading from Firmware */ memcpy(dhd->mac.octet, buf, ETHER_ADDR_LEN); if ((ret = dhd_apply_default_clm(dhd, dhd->clm_path)) < 0) { DHD_ERROR(("%s: CLM set failed. Abort initialization.\n", __FUNCTION__)); goto done; } /* get a capabilities from firmware */ { uint32 cap_buf_size = sizeof(dhd->fw_capabilities); memset(dhd->fw_capabilities, 0, cap_buf_size); ret = dhd_iovar(dhd, 0, "cap", NULL, 0, dhd->fw_capabilities, (cap_buf_size - 1), FALSE); if (ret < 0) { DHD_ERROR(("%s: Get Capability failed (error=%d)\n", __FUNCTION__, ret)); return 0; } memmove(&dhd->fw_capabilities[1], dhd->fw_capabilities, (cap_buf_size - 1)); dhd->fw_capabilities[0] = ' '; dhd->fw_capabilities[cap_buf_size - 2] = ' '; dhd->fw_capabilities[cap_buf_size - 1] = '\0'; } if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_HOSTAP_MODE) || (op_mode == DHD_FLAG_HOSTAP_MODE)) { #ifdef SET_RANDOM_MAC_SOFTAP uint rand_mac; #endif /* SET_RANDOM_MAC_SOFTAP */ dhd->op_mode = DHD_FLAG_HOSTAP_MODE; #if defined(ARP_OFFLOAD_SUPPORT) arpoe = 0; #endif // endif #ifdef PKT_FILTER_SUPPORT if (dhd_conf_get_insuspend(dhd, AP_FILTER_IN_SUSPEND)) dhd_pkt_filter_enable = TRUE; else dhd_pkt_filter_enable = FALSE; #endif // endif #ifdef SET_RANDOM_MAC_SOFTAP SRANDOM32((uint)jiffies); rand_mac = RANDOM32(); iovbuf[0] = (unsigned char)(vendor_oui >> 16) | 0x02; /* local admin bit */ iovbuf[1] = (unsigned char)(vendor_oui >> 8); iovbuf[2] = (unsigned char)vendor_oui; iovbuf[3] = (unsigned char)(rand_mac & 0x0F) | 0xF0; iovbuf[4] = (unsigned char)(rand_mac >> 8); iovbuf[5] = (unsigned char)(rand_mac >> 16); ret = dhd_iovar(dhd, 0, "cur_etheraddr", (char *)&iovbuf, ETHER_ADDR_LEN, NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: can't set MAC address , error=%d\n", __FUNCTION__, ret)); } else memcpy(dhd->mac.octet, iovbuf, ETHER_ADDR_LEN); #endif /* SET_RANDOM_MAC_SOFTAP */ #ifdef USE_DYNAMIC_F2_BLKSIZE dhdsdio_func_blocksize(dhd, 2, DYNAMIC_F2_BLKSIZE_FOR_NONLEGACY); #endif /* USE_DYNAMIC_F2_BLKSIZE */ #ifdef SOFTAP_UAPSD_OFF ret = dhd_iovar(dhd, 0, "wme_apsd", (char *)&wme_apsd, sizeof(wme_apsd), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: set wme_apsd 0 fail (error=%d)\n", __FUNCTION__, ret)); } #endif /* SOFTAP_UAPSD_OFF */ #if defined(CUSTOM_COUNTRY_CODE) /* set AP flag for specific country code of SOFTAP */ dhd->dhd_cflags |= WLAN_PLAT_AP_FLAG | WLAN_PLAT_NODFS_FLAG; #endif /* CUSTOM_COUNTRY_CODE && (CUSTOMER_HW2 || BOARD_HIKEY) */ } else if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_MFG_MODE) || (op_mode == DHD_FLAG_MFG_MODE)) { #if defined(ARP_OFFLOAD_SUPPORT) arpoe = 0; #endif /* ARP_OFFLOAD_SUPPORT */ #ifdef PKT_FILTER_SUPPORT dhd_pkt_filter_enable = FALSE; #endif /* PKT_FILTER_SUPPORT */ dhd->op_mode = DHD_FLAG_MFG_MODE; #ifdef USE_DYNAMIC_F2_BLKSIZE dhdsdio_func_blocksize(dhd, 2, DYNAMIC_F2_BLKSIZE_FOR_NONLEGACY); #endif /* USE_DYNAMIC_F2_BLKSIZE */ #ifndef CUSTOM_SET_ANTNPM if (FW_SUPPORTED(dhd, rsdb)) { wl_config_t rsdb_mode; memset(&rsdb_mode, 0, sizeof(rsdb_mode)); ret = dhd_iovar(dhd, 0, "rsdb_mode", (char *)&rsdb_mode, sizeof(rsdb_mode), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Disable rsdb_mode is failed ret= %d\n", __FUNCTION__, ret)); } } #endif /* !CUSTOM_SET_ANTNPM */ } else { uint32 concurrent_mode = 0; if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_P2P_MODE) || (op_mode == DHD_FLAG_P2P_MODE)) { #if defined(ARP_OFFLOAD_SUPPORT) arpoe = 0; #endif // endif #ifdef PKT_FILTER_SUPPORT dhd_pkt_filter_enable = FALSE; #endif // endif dhd->op_mode = DHD_FLAG_P2P_MODE; } else if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_IBSS_MODE) || (op_mode == DHD_FLAG_IBSS_MODE)) { dhd->op_mode = DHD_FLAG_IBSS_MODE; } else dhd->op_mode = DHD_FLAG_STA_MODE; #if !defined(AP) && defined(WLP2P) if (dhd->op_mode != DHD_FLAG_IBSS_MODE && (concurrent_mode = dhd_get_concurrent_capabilites(dhd))) { #if defined(ARP_OFFLOAD_SUPPORT) arpoe = 1; #endif // endif dhd->op_mode |= concurrent_mode; } /* Check if we are enabling p2p */ if (dhd->op_mode & DHD_FLAG_P2P_MODE) { ret = dhd_iovar(dhd, 0, "apsta", (char *)&apsta, sizeof(apsta), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s APSTA for P2P failed ret= %d\n", __FUNCTION__, ret)); #if defined(SOFTAP_AND_GC) if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_AP, (char *)&ap_mode, sizeof(ap_mode), TRUE, 0)) < 0) { DHD_ERROR(("%s WLC_SET_AP failed %d\n", __FUNCTION__, ret)); } #endif // endif memcpy(&p2p_ea, &dhd->mac, ETHER_ADDR_LEN); ETHER_SET_LOCALADDR(&p2p_ea); ret = dhd_iovar(dhd, 0, "p2p_da_override", (char *)&p2p_ea, sizeof(p2p_ea), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s p2p_da_override ret= %d\n", __FUNCTION__, ret)); else DHD_INFO(("dhd_preinit_ioctls: p2p_da_override succeeded\n")); } #else (void)concurrent_mode; #endif // endif } #ifdef DISABLE_PRUNED_SCAN if (FW_SUPPORTED(dhd, rsdb)) { ret = dhd_iovar(dhd, 0, "scan_features", (char *)&scan_features, sizeof(scan_features), iovbuf, sizeof(iovbuf), FALSE); if (ret < 0) { DHD_ERROR(("%s get scan_features is failed ret=%d\n", __FUNCTION__, ret)); } else { memcpy(&scan_features, iovbuf, 4); scan_features &= ~RSDB_SCAN_DOWNGRADED_CH_PRUNE_ROAM; ret = dhd_iovar(dhd, 0, "scan_features", (char *)&scan_features, sizeof(scan_features), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s set scan_features is failed ret=%d\n", __FUNCTION__, ret)); } } } #endif /* DISABLE_PRUNED_SCAN */ DHD_ERROR(("Firmware up: op_mode=0x%04x, MAC="MACDBG"\n", dhd->op_mode, MAC2STRDBG(dhd->mac.octet))); #if defined(DHD_BLOB_EXISTENCE_CHECK) if (!dhd->is_blob) #endif /* DHD_BLOB_EXISTENCE_CHECK */ { /* get a ccode and revision for the country code */ #if defined(CUSTOM_COUNTRY_CODE) get_customized_country_code(dhd->info->adapter, dhd->dhd_cspec.country_abbrev, &dhd->dhd_cspec, dhd->dhd_cflags); #else get_customized_country_code(dhd->info->adapter, dhd->dhd_cspec.country_abbrev, &dhd->dhd_cspec); #endif /* CUSTOM_COUNTRY_CODE */ } #if defined(RXFRAME_THREAD) && defined(RXTHREAD_ONLYSTA) if (dhd->op_mode == DHD_FLAG_HOSTAP_MODE) dhd->info->rxthread_enabled = FALSE; else dhd->info->rxthread_enabled = TRUE; #endif // endif /* Set Country code */ if (dhd->dhd_cspec.ccode[0] != 0) { ret = dhd_iovar(dhd, 0, "country", (char *)&dhd->dhd_cspec, sizeof(wl_country_t), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s: country code setting failed\n", __FUNCTION__)); } /* Set Listen Interval */ ret = dhd_iovar(dhd, 0, "assoc_listen", (char *)&listen_interval, sizeof(listen_interval), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s assoc_listen failed %d\n", __FUNCTION__, ret)); #if defined(ROAM_ENABLE) || defined(DISABLE_BUILTIN_ROAM) #ifdef USE_WFA_CERT_CONF if (sec_get_param_wfa_cert(dhd, SET_PARAM_ROAMOFF, &roamvar) == BCME_OK) { DHD_ERROR(("%s: read roam_off param =%d\n", __FUNCTION__, roamvar)); } #endif /* USE_WFA_CERT_CONF */ /* Disable built-in roaming to allowed ext supplicant to take care of roaming */ ret = dhd_iovar(dhd, 0, "roam_off", (char *)&roamvar, sizeof(roamvar), NULL, 0, TRUE); #endif /* ROAM_ENABLE || DISABLE_BUILTIN_ROAM */ #if defined(ROAM_ENABLE) #ifdef DISABLE_BCNLOSS_ROAM ret = dhd_iovar(dhd, 0, "roam_bcnloss_off", (char *)&roam_bcnloss_off, sizeof(roam_bcnloss_off), NULL, 0, TRUE); #endif /* DISABLE_BCNLOSS_ROAM */ if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_TRIGGER, roam_trigger, sizeof(roam_trigger), TRUE, 0)) < 0) DHD_ERROR(("%s: roam trigger set failed %d\n", __FUNCTION__, ret)); if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_SCAN_PERIOD, roam_scan_period, sizeof(roam_scan_period), TRUE, 0)) < 0) DHD_ERROR(("%s: roam scan period set failed %d\n", __FUNCTION__, ret)); if ((dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_DELTA, roam_delta, sizeof(roam_delta), TRUE, 0)) < 0) DHD_ERROR(("%s: roam delta set failed %d\n", __FUNCTION__, ret)); ret = dhd_iovar(dhd, 0, "fullroamperiod", (char *)&roam_fullscan_period, sizeof(roam_fullscan_period), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s: roam fullscan period set failed %d\n", __FUNCTION__, ret)); #ifdef ROAM_AP_ENV_DETECTION if (roam_trigger[0] == WL_AUTO_ROAM_TRIGGER) { if (dhd_iovar(dhd, 0, "roam_env_detection", (char *)&roam_env_mode, sizeof(roam_env_mode), NULL, 0, TRUE) == BCME_OK) dhd->roam_env_detection = TRUE; else dhd->roam_env_detection = FALSE; } #endif /* ROAM_AP_ENV_DETECTION */ #endif /* ROAM_ENABLE */ #ifdef CUSTOM_EVENT_PM_WAKE ret = dhd_iovar(dhd, 0, "const_awake_thresh", (char *)&pm_awake_thresh, sizeof(pm_awake_thresh), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s set const_awake_thresh failed %d\n", __FUNCTION__, ret)); } #endif /* CUSTOM_EVENT_PM_WAKE */ #ifdef OKC_SUPPORT ret = dhd_iovar(dhd, 0, "okc_enable", (char *)&okc, sizeof(okc), NULL, 0, TRUE); #endif // endif #ifdef BCMCCX ret = dhd_iovar(dhd, 0, "ccx_enable", (char *)&ccx, sizeof(ccx), NULL, 0, TRUE); #endif /* BCMCCX */ #ifdef WLTDLS dhd->tdls_enable = FALSE; dhd_tdls_set_mode(dhd, false); #endif /* WLTDLS */ #ifdef DHD_ENABLE_LPC /* Set lpc 1 */ ret = dhd_iovar(dhd, 0, "lpc", (char *)&lpc, sizeof(lpc), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Set lpc failed %d\n", __FUNCTION__, ret)); if (ret == BCME_NOTDOWN) { uint wl_down = 1; ret = dhd_wl_ioctl_cmd(dhd, WLC_DOWN, (char *)&wl_down, sizeof(wl_down), TRUE, 0); DHD_ERROR(("%s lpc fail WL_DOWN : %d, lpc = %d\n", __FUNCTION__, ret, lpc)); ret = dhd_iovar(dhd, 0, "lpc", (char *)&lpc, sizeof(lpc), NULL, 0, TRUE); DHD_ERROR(("%s Set lpc ret --> %d\n", __FUNCTION__, ret)); } } #endif /* DHD_ENABLE_LPC */ #ifdef WLADPS if (dhd->op_mode & DHD_FLAG_STA_MODE) { if ((ret = dhd_enable_adps(dhd, ADPS_ENABLE)) != BCME_OK) { DHD_ERROR(("%s dhd_enable_adps failed %d\n", __FUNCTION__, ret)); } } #endif /* WLADPS */ #ifdef DHD_PM_CONTROL_FROM_FILE sec_control_pm(dhd, &power_mode); #else /* Set PowerSave mode */ (void) dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode), TRUE, 0); #endif /* DHD_PM_CONTROL_FROM_FILE */ #if defined(BCMSDIO) /* Match Host and Dongle rx alignment */ ret = dhd_iovar(dhd, 0, "bus:txglomalign", (char *)&dongle_align, sizeof(dongle_align), NULL, 0, TRUE); #if defined(USE_WL_CREDALL) /* enable credall to reduce the chance of no bus credit happened. */ ret = dhd_iovar(dhd, 0, "bus:credall", (char *)&credall, sizeof(credall), NULL, 0, TRUE); #endif // endif #ifdef USE_WFA_CERT_CONF if (sec_get_param_wfa_cert(dhd, SET_PARAM_BUS_TXGLOM_MODE, &glom) == BCME_OK) { DHD_ERROR(("%s, read txglom param =%d\n", __FUNCTION__, glom)); } #endif /* USE_WFA_CERT_CONF */ if (glom != DEFAULT_GLOM_VALUE) { DHD_INFO(("%s set glom=0x%X\n", __FUNCTION__, glom)); ret = dhd_iovar(dhd, 0, "bus:txglom", (char *)&glom, sizeof(glom), NULL, 0, TRUE); } #endif /* defined(BCMSDIO) */ /* Setup timeout if Beacons are lost and roam is off to report link down */ ret = dhd_iovar(dhd, 0, "bcn_timeout", (char *)&bcn_timeout, sizeof(bcn_timeout), NULL, 0, TRUE); /* Setup assoc_retry_max count to reconnect target AP in dongle */ ret = dhd_iovar(dhd, 0, "assoc_retry_max", (char *)&retry_max, sizeof(retry_max), NULL, 0, TRUE); #if defined(AP) && !defined(WLP2P) ret = dhd_iovar(dhd, 0, "apsta", (char *)&apsta, sizeof(apsta), NULL, 0, TRUE); #endif /* defined(AP) && !defined(WLP2P) */ #ifdef MIMO_ANT_SETTING dhd_sel_ant_from_file(dhd); #endif /* MIMO_ANT_SETTING */ #if defined(SOFTAP) if (ap_fw_loaded == TRUE) { dhd_wl_ioctl_cmd(dhd, WLC_SET_DTIMPRD, (char *)&dtim, sizeof(dtim), TRUE, 0); } #endif // endif #if defined(KEEP_ALIVE) { /* Set Keep Alive : be sure to use FW with -keepalive */ int res; #if defined(SOFTAP) if (ap_fw_loaded == FALSE) #endif // endif if (!(dhd->op_mode & (DHD_FLAG_HOSTAP_MODE | DHD_FLAG_MFG_MODE))) { if ((res = dhd_keep_alive_onoff(dhd)) < 0) DHD_ERROR(("%s set keeplive failed %d\n", __FUNCTION__, res)); } } #endif /* defined(KEEP_ALIVE) */ #ifdef USE_WL_TXBF ret = dhd_iovar(dhd, 0, "txbf", (char *)&txbf, sizeof(txbf), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s Set txbf failed %d\n", __FUNCTION__, ret)); #endif /* USE_WL_TXBF */ ret = dhd_iovar(dhd, 0, "scancache", (char *)&scancache_enab, sizeof(scancache_enab), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Set scancache failed %d\n", __FUNCTION__, ret)); } ret = dhd_iovar(dhd, 0, "event_log_max_sets", NULL, 0, (char *)&event_log_max_sets, sizeof(event_log_max_sets), FALSE); if (ret == BCME_OK) { dhd->event_log_max_sets = event_log_max_sets; } else { dhd->event_log_max_sets = NUM_EVENT_LOG_SETS; } /* Make sure max_sets is set first with wmb and then sets_queried, * this will be used during parsing the logsets in the reverse order. */ OSL_SMP_WMB(); dhd->event_log_max_sets_queried = TRUE; DHD_ERROR(("%s: event_log_max_sets: %d ret: %d\n", __FUNCTION__, dhd->event_log_max_sets, ret)); #ifdef DISABLE_TXBFR ret = dhd_iovar(dhd, 0, "txbf_bfr_cap", (char *)&txbf_bfr_cap, sizeof(txbf_bfr_cap), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Clear txbf_bfr_cap failed %d\n", __FUNCTION__, ret)); } #endif /* DISABLE_TXBFR */ #ifdef USE_WFA_CERT_CONF #ifdef USE_WL_FRAMEBURST if (sec_get_param_wfa_cert(dhd, SET_PARAM_FRAMEBURST, &frameburst) == BCME_OK) { DHD_ERROR(("%s, read frameburst param=%d\n", __FUNCTION__, frameburst)); } #endif /* USE_WL_FRAMEBURST */ g_frameburst = frameburst; #endif /* USE_WFA_CERT_CONF */ #ifdef DISABLE_WL_FRAMEBURST_SOFTAP /* Disable Framebursting for SofAP */ if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { frameburst = 0; } #endif /* DISABLE_WL_FRAMEBURST_SOFTAP */ /* Set frameburst to value */ if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_FAKEFRAG, (char *)&frameburst, sizeof(frameburst), TRUE, 0)) < 0) { DHD_INFO(("%s frameburst not supported %d\n", __FUNCTION__, ret)); } #ifdef DHD_SET_FW_HIGHSPEED /* Set ack_ratio */ ret = dhd_iovar(dhd, 0, "ack_ratio", (char *)&ack_ratio, sizeof(ack_ratio), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Set ack_ratio failed %d\n", __FUNCTION__, ret)); } /* Set ack_ratio_depth */ ret = dhd_iovar(dhd, 0, "ack_ratio_depth", (char *)&ack_ratio_depth, sizeof(ack_ratio_depth), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Set ack_ratio_depth failed %d\n", __FUNCTION__, ret)); } #endif /* DHD_SET_FW_HIGHSPEED */ iov_buf = (char*)MALLOC(dhd->osh, WLC_IOCTL_SMLEN); if (iov_buf == NULL) { DHD_ERROR(("failed to allocate %d bytes for iov_buf\n", WLC_IOCTL_SMLEN)); ret = BCME_NOMEM; goto done; } #if defined(CUSTOM_AMPDU_BA_WSIZE) /* Set ampdu ba wsize to 64 or 16 */ #ifdef CUSTOM_AMPDU_BA_WSIZE ampdu_ba_wsize = CUSTOM_AMPDU_BA_WSIZE; #endif // endif if (ampdu_ba_wsize != 0) { ret = dhd_iovar(dhd, 0, "ampdu_ba_wsize", (char *)&du_ba_wsize, sizeof(ampdu_ba_wsize), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Set ampdu_ba_wsize to %d failed %d\n", __FUNCTION__, ampdu_ba_wsize, ret)); } } #endif // endif #if defined(CUSTOM_AMPDU_MPDU) ampdu_mpdu = CUSTOM_AMPDU_MPDU; if (ampdu_mpdu != 0 && (ampdu_mpdu <= ampdu_ba_wsize)) { ret = dhd_iovar(dhd, 0, "ampdu_mpdu", (char *)&du_mpdu, sizeof(ampdu_mpdu), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Set ampdu_mpdu to %d failed %d\n", __FUNCTION__, CUSTOM_AMPDU_MPDU, ret)); } } #endif /* CUSTOM_AMPDU_MPDU */ #if defined(CUSTOM_AMPDU_RELEASE) ampdu_release = CUSTOM_AMPDU_RELEASE; if (ampdu_release != 0 && (ampdu_release <= ampdu_ba_wsize)) { ret = dhd_iovar(dhd, 0, "ampdu_release", (char *)&du_release, sizeof(ampdu_release), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Set ampdu_release to %d failed %d\n", __FUNCTION__, CUSTOM_AMPDU_RELEASE, ret)); } } #endif /* CUSTOM_AMPDU_RELEASE */ #if defined(CUSTOM_AMSDU_AGGSF) amsdu_aggsf = CUSTOM_AMSDU_AGGSF; if (amsdu_aggsf != 0) { ret = dhd_iovar(dhd, 0, "amsdu_aggsf", (char *)&amsdu_aggsf, sizeof(amsdu_aggsf), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Set amsdu_aggsf to %d failed %d\n", __FUNCTION__, CUSTOM_AMSDU_AGGSF, ret)); } } #endif /* CUSTOM_AMSDU_AGGSF */ #if defined(BCMSUP_4WAY_HANDSHAKE) /* Read 4-way handshake requirements */ if (dhd_use_idsup == 1) { ret = dhd_iovar(dhd, 0, "sup_wpa", (char *)&sup_wpa, sizeof(sup_wpa), (char *)&iovbuf, sizeof(iovbuf), FALSE); /* sup_wpa iovar returns NOTREADY status on some platforms using modularized * in-dongle supplicant. */ if (ret >= 0 || ret == BCME_NOTREADY) dhd->fw_4way_handshake = TRUE; DHD_TRACE(("4-way handshake mode is: %d\n", dhd->fw_4way_handshake)); } #endif /* BCMSUP_4WAY_HANDSHAKE */ #if defined(SUPPORT_2G_VHT) || defined(SUPPORT_5G_1024QAM_VHT) ret = dhd_iovar(dhd, 0, "vht_features", (char *)&vht_features, sizeof(vht_features), NULL, 0, FALSE); if (ret < 0) { DHD_ERROR(("%s vht_features get failed %d\n", __FUNCTION__, ret)); vht_features = 0; } else { #ifdef SUPPORT_2G_VHT vht_features |= 0x3; /* 2G support */ #endif /* SUPPORT_2G_VHT */ #ifdef SUPPORT_5G_1024QAM_VHT vht_features |= 0x6; /* 5G 1024 QAM support */ #endif /* SUPPORT_5G_1024QAM_VHT */ } if (vht_features) { ret = dhd_iovar(dhd, 0, "vht_features", (char *)&vht_features, sizeof(vht_features), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s vht_features set failed %d\n", __FUNCTION__, ret)); if (ret == BCME_NOTDOWN) { uint wl_down = 1; ret = dhd_wl_ioctl_cmd(dhd, WLC_DOWN, (char *)&wl_down, sizeof(wl_down), TRUE, 0); DHD_ERROR(("%s vht_features fail WL_DOWN : %d," " vht_features = 0x%x\n", __FUNCTION__, ret, vht_features)); ret = dhd_iovar(dhd, 0, "vht_features", (char *)&vht_features, sizeof(vht_features), NULL, 0, TRUE); DHD_ERROR(("%s vht_features set. ret --> %d\n", __FUNCTION__, ret)); } } } #endif /* SUPPORT_2G_VHT || SUPPORT_5G_1024QAM_VHT */ #ifdef DISABLE_11N_PROPRIETARY_RATES ret = dhd_iovar(dhd, 0, "ht_features", (char *)&ht_features, sizeof(ht_features), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s ht_features set failed %d\n", __FUNCTION__, ret)); } #endif /* DISABLE_11N_PROPRIETARY_RATES */ #if defined(DISABLE_HE_ENAB) || defined(CUSTOM_CONTROL_HE_ENAB) #if defined(DISABLE_HE_ENAB) control_he_enab = 0; #endif /* DISABLE_HE_ENAB */ dhd_control_he_enab(dhd, control_he_enab); #endif /* DISABLE_HE_ENAB || CUSTOM_CONTROL_HE_ENAB */ #ifdef CUSTOM_PSPRETEND_THR /* Turn off MPC in AP mode */ ret = dhd_iovar(dhd, 0, "pspretend_threshold", (char *)&pspretend_thr, sizeof(pspretend_thr), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s pspretend_threshold for HostAPD failed %d\n", __FUNCTION__, ret)); } #endif // endif ret = dhd_iovar(dhd, 0, "buf_key_b4_m4", (char *)&buf_key_b4_m4, sizeof(buf_key_b4_m4), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s buf_key_b4_m4 set failed %d\n", __FUNCTION__, ret)); } #ifdef SUPPORT_SET_CAC ret = dhd_iovar(dhd, 0, "cac", (char *)&cac, sizeof(cac), NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Failed to set cac to %d, %d\n", __FUNCTION__, cac, ret)); } #endif /* SUPPORT_SET_CAC */ #ifdef DHD_ULP /* Get the required details from dongle during preinit ioctl */ dhd_ulp_preinit(dhd); #endif /* DHD_ULP */ /* Read event_msgs mask */ ret = dhd_iovar(dhd, 0, "event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf), FALSE); if (ret < 0) { DHD_ERROR(("%s read Event mask failed %d\n", __FUNCTION__, ret)); goto done; } bcopy(iovbuf, eventmask, WL_EVENTING_MASK_LEN); /* Setup event_msgs */ setbit(eventmask, WLC_E_SET_SSID); setbit(eventmask, WLC_E_PRUNE); setbit(eventmask, WLC_E_AUTH); setbit(eventmask, WLC_E_AUTH_IND); setbit(eventmask, WLC_E_ASSOC); setbit(eventmask, WLC_E_REASSOC); setbit(eventmask, WLC_E_REASSOC_IND); if (!(dhd->op_mode & DHD_FLAG_IBSS_MODE)) setbit(eventmask, WLC_E_DEAUTH); setbit(eventmask, WLC_E_DEAUTH_IND); setbit(eventmask, WLC_E_DISASSOC_IND); setbit(eventmask, WLC_E_DISASSOC); setbit(eventmask, WLC_E_JOIN); setbit(eventmask, WLC_E_START); setbit(eventmask, WLC_E_ASSOC_IND); setbit(eventmask, WLC_E_PSK_SUP); setbit(eventmask, WLC_E_LINK); setbit(eventmask, WLC_E_MIC_ERROR); setbit(eventmask, WLC_E_ASSOC_REQ_IE); setbit(eventmask, WLC_E_ASSOC_RESP_IE); #ifdef LIMIT_BORROW setbit(eventmask, WLC_E_ALLOW_CREDIT_BORROW); #endif // endif #ifndef WL_CFG80211 setbit(eventmask, WLC_E_PMKID_CACHE); // setbit(eventmask, WLC_E_TXFAIL); // terence 20181106: remove unnecessary event #endif // endif setbit(eventmask, WLC_E_JOIN_START); // setbit(eventmask, WLC_E_SCAN_COMPLETE); // terence 20150628: remove redundant event #ifdef DHD_DEBUG setbit(eventmask, WLC_E_SCAN_CONFIRM_IND); #endif // endif #ifdef PNO_SUPPORT setbit(eventmask, WLC_E_PFN_NET_FOUND); setbit(eventmask, WLC_E_PFN_BEST_BATCHING); setbit(eventmask, WLC_E_PFN_BSSID_NET_FOUND); setbit(eventmask, WLC_E_PFN_BSSID_NET_LOST); #endif /* PNO_SUPPORT */ /* enable dongle roaming event */ #ifdef WL_CFG80211 #if !defined(ROAM_EVT_DISABLE) setbit(eventmask, WLC_E_ROAM); #endif /* !ROAM_EVT_DISABLE */ setbit(eventmask, WLC_E_BSSID); #endif /* WL_CFG80211 */ #ifdef BCMCCX setbit(eventmask, WLC_E_ADDTS_IND); setbit(eventmask, WLC_E_DELTS_IND); #endif /* BCMCCX */ #ifdef WLTDLS setbit(eventmask, WLC_E_TDLS_PEER_EVENT); #endif /* WLTDLS */ #ifdef WL_ESCAN setbit(eventmask, WLC_E_ESCAN_RESULT); #endif /* WL_ESCAN */ #ifdef CSI_SUPPORT setbit(eventmask, WLC_E_CSI); #endif /* CSI_SUPPORT */ #ifdef RTT_SUPPORT setbit(eventmask, WLC_E_PROXD); #endif /* RTT_SUPPORT */ #ifdef WL_CFG80211 setbit(eventmask, WLC_E_ESCAN_RESULT); setbit(eventmask, WLC_E_AP_STARTED); setbit(eventmask, WLC_E_ACTION_FRAME_RX); if (dhd->op_mode & DHD_FLAG_P2P_MODE) { setbit(eventmask, WLC_E_P2P_DISC_LISTEN_COMPLETE); } #endif /* WL_CFG80211 */ #if defined(SHOW_LOGTRACE) && defined(LOGTRACE_FROM_FILE) if (dhd_logtrace_from_file(dhd)) { setbit(eventmask, WLC_E_TRACE); } else { clrbit(eventmask, WLC_E_TRACE); } #elif defined(SHOW_LOGTRACE) setbit(eventmask, WLC_E_TRACE); #else clrbit(eventmask, WLC_E_TRACE); if (dhd->conf->chip == BCM43752_CHIP_ID) setbit(eventmask, WLC_E_TRACE); #endif /* defined(SHOW_LOGTRACE) && defined(LOGTRACE_FROM_FILE) */ setbit(eventmask, WLC_E_CSA_COMPLETE_IND); #ifdef CUSTOM_EVENT_PM_WAKE setbit(eventmask, WLC_E_EXCESS_PM_WAKE_EVENT); #endif /* CUSTOM_EVENT_PM_WAKE */ #ifdef DHD_LOSSLESS_ROAMING setbit(eventmask, WLC_E_ROAM_PREP); #endif // endif /* nan events */ setbit(eventmask, WLC_E_NAN); #if defined(PCIE_FULL_DONGLE) && defined(DHD_LOSSLESS_ROAMING) dhd_update_flow_prio_map(dhd, DHD_FLOW_PRIO_LLR_MAP); #endif /* defined(PCIE_FULL_DONGLE) && defined(DHD_LOSSLESS_ROAMING) */ #if defined(BCMPCIE) && defined(EAPOL_PKT_PRIO) dhd_update_flow_prio_map(dhd, DHD_FLOW_PRIO_LLR_MAP); #endif /* defined(BCMPCIE) && defined(EAPOL_PKT_PRIO) */ /* Write updated Event mask */ ret = dhd_iovar(dhd, 0, "event_msgs", eventmask, WL_EVENTING_MASK_LEN, NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s Set Event mask failed %d\n", __FUNCTION__, ret)); goto done; } /* make up event mask ext message iovar for event larger than 128 */ msglen = ROUNDUP(WLC_E_LAST, NBBY)/NBBY + EVENTMSGS_EXT_STRUCT_SIZE; eventmask_msg = (eventmsgs_ext_t*)MALLOC(dhd->osh, msglen); if (eventmask_msg == NULL) { DHD_ERROR(("failed to allocate %d bytes for event_msg_ext\n", msglen)); ret = BCME_NOMEM; goto done; } bzero(eventmask_msg, msglen); eventmask_msg->ver = EVENTMSGS_VER; eventmask_msg->len = ROUNDUP(WLC_E_LAST, NBBY)/NBBY; /* Read event_msgs_ext mask */ ret2 = dhd_iovar(dhd, 0, "event_msgs_ext", (char *)eventmask_msg, msglen, iov_buf, WLC_IOCTL_SMLEN, FALSE); if (ret2 == 0) { /* event_msgs_ext must be supported */ bcopy(iov_buf, eventmask_msg, msglen); #ifdef RSSI_MONITOR_SUPPORT setbit(eventmask_msg->mask, WLC_E_RSSI_LQM); #endif /* RSSI_MONITOR_SUPPORT */ #ifdef GSCAN_SUPPORT setbit(eventmask_msg->mask, WLC_E_PFN_GSCAN_FULL_RESULT); setbit(eventmask_msg->mask, WLC_E_PFN_SCAN_COMPLETE); setbit(eventmask_msg->mask, WLC_E_PFN_SSID_EXT); setbit(eventmask_msg->mask, WLC_E_ROAM_EXP_EVENT); #endif /* GSCAN_SUPPORT */ setbit(eventmask_msg->mask, WLC_E_RSSI_LQM); #ifdef BT_WIFI_HANDOVER setbit(eventmask_msg->mask, WLC_E_BT_WIFI_HANDOVER_REQ); #endif /* BT_WIFI_HANDOVER */ #ifdef DBG_PKT_MON setbit(eventmask_msg->mask, WLC_E_ROAM_PREP); #endif /* DBG_PKT_MON */ #ifdef DHD_ULP setbit(eventmask_msg->mask, WLC_E_ULP); #endif // endif #ifdef WL_NATOE setbit(eventmask_msg->mask, WLC_E_NATOE_NFCT); #endif /* WL_NATOE */ #ifdef WL_NAN setbit(eventmask_msg->mask, WLC_E_SLOTTED_BSS_PEER_OP); #endif /* WL_NAN */ #ifdef WL_MBO setbit(eventmask_msg->mask, WLC_E_MBO); #endif /* WL_MBO */ #ifdef WL_CLIENT_SAE setbit(eventmask_msg->mask, WLC_E_JOIN_START); #endif /* WL_CLIENT_SAE */ #ifdef WL_BCNRECV setbit(eventmask_msg->mask, WLC_E_BCNRECV_ABORTED); #endif /* WL_BCNRECV */ #ifdef WL_CAC_TS setbit(eventmask_msg->mask, WLC_E_ADDTS_IND); setbit(eventmask_msg->mask, WLC_E_DELTS_IND); #endif /* WL_CAC_TS */ #ifdef WL_CHAN_UTIL setbit(eventmask_msg->mask, WLC_E_BSS_LOAD); #endif /* WL_CHAN_UTIL */ /* Write updated Event mask */ eventmask_msg->ver = EVENTMSGS_VER; eventmask_msg->command = EVENTMSGS_SET_MASK; eventmask_msg->len = ROUNDUP(WLC_E_LAST, NBBY)/NBBY; ret = dhd_iovar(dhd, 0, "event_msgs_ext", (char *)eventmask_msg, msglen, NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s write event mask ext failed %d\n", __FUNCTION__, ret)); goto done; } } else if (ret2 == BCME_UNSUPPORTED || ret2 == BCME_VERSION) { /* Skip for BCME_UNSUPPORTED or BCME_VERSION */ DHD_ERROR(("%s event_msgs_ext not support or version mismatch %d\n", __FUNCTION__, ret2)); } else { DHD_ERROR(("%s read event mask ext failed %d\n", __FUNCTION__, ret2)); ret = ret2; goto done; } #if defined(DHD_8021X_DUMP) && defined(SHOW_LOGTRACE) /* Enabling event log trace for EAP events */ el_tag = (wl_el_tag_params_t *)MALLOC(dhd->osh, sizeof(wl_el_tag_params_t)); if (el_tag == NULL) { DHD_ERROR(("failed to allocate %d bytes for event_msg_ext\n", (int)sizeof(wl_el_tag_params_t))); ret = BCME_NOMEM; goto done; } el_tag->tag = EVENT_LOG_TAG_4WAYHANDSHAKE; el_tag->set = 1; el_tag->flags = EVENT_LOG_TAG_FLAG_LOG; ret = dhd_iovar(dhd, 0, "event_log_tag_control", (char *)el_tag, sizeof(*el_tag), NULL, 0, TRUE); #endif /* DHD_8021X_DUMP */ dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_CHANNEL_TIME, (char *)&scan_assoc_time, sizeof(scan_assoc_time), TRUE, 0); dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_UNASSOC_TIME, (char *)&scan_unassoc_time, sizeof(scan_unassoc_time), TRUE, 0); dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_PASSIVE_TIME, (char *)&scan_passive_time, sizeof(scan_passive_time), TRUE, 0); #ifdef ARP_OFFLOAD_SUPPORT /* Set and enable ARP offload feature for STA only */ #if defined(SOFTAP) if (arpoe && !ap_fw_loaded) #else if (arpoe) #endif // endif { dhd_arp_offload_enable(dhd, TRUE); dhd_arp_offload_set(dhd, dhd_arp_mode); } else { dhd_arp_offload_enable(dhd, FALSE); dhd_arp_offload_set(dhd, 0); } dhd_arp_enable = arpoe; #endif /* ARP_OFFLOAD_SUPPORT */ #ifdef PKT_FILTER_SUPPORT /* Setup default defintions for pktfilter , enable in suspend */ if (dhd_master_mode) { dhd->pktfilter_count = 6; dhd->pktfilter[DHD_BROADCAST_FILTER_NUM] = NULL; if (!FW_SUPPORTED(dhd, pf6)) { dhd->pktfilter[DHD_MULTICAST4_FILTER_NUM] = NULL; dhd->pktfilter[DHD_MULTICAST6_FILTER_NUM] = NULL; } else { /* Immediately pkt filter TYPE 6 Discard IPv4/IPv6 Multicast Packet */ dhd->pktfilter[DHD_MULTICAST4_FILTER_NUM] = DISCARD_IPV4_MCAST; dhd->pktfilter[DHD_MULTICAST6_FILTER_NUM] = DISCARD_IPV6_MCAST; } /* apply APP pktfilter */ dhd->pktfilter[DHD_ARP_FILTER_NUM] = "105 0 0 12 0xFFFF 0x0806"; #ifdef BLOCK_IPV6_PACKET /* Setup filter to allow only IPv4 unicast frames */ dhd->pktfilter[DHD_UNICAST_FILTER_NUM] = "100 0 0 0 " HEX_PREF_STR UNI_FILTER_STR ZERO_ADDR_STR ETHER_TYPE_STR IPV6_FILTER_STR " " HEX_PREF_STR ZERO_ADDR_STR ZERO_ADDR_STR ETHER_TYPE_STR ZERO_TYPE_STR; #else /* Setup filter to allow only unicast */ dhd->pktfilter[DHD_UNICAST_FILTER_NUM] = "100 0 0 0 0x01 0x00"; #endif /* BLOCK_IPV6_PACKET */ #ifdef PASS_IPV4_SUSPEND dhd->pktfilter[DHD_MDNS_FILTER_NUM] = "104 0 0 0 0xFFFFFF 0x01005E"; #else /* Add filter to pass multicastDNS packet and NOT filter out as Broadcast */ dhd->pktfilter[DHD_MDNS_FILTER_NUM] = NULL; #endif /* PASS_IPV4_SUSPEND */ if (FW_SUPPORTED(dhd, pf6)) { /* Immediately pkt filter TYPE 6 Dicard Broadcast IP packet */ dhd->pktfilter[DHD_IP4BCAST_DROP_FILTER_NUM] = DISCARD_IPV4_BCAST; /* Immediately pkt filter TYPE 6 Dicard Cisco STP packet */ dhd->pktfilter[DHD_LLC_STP_DROP_FILTER_NUM] = DISCARD_LLC_STP; /* Immediately pkt filter TYPE 6 Dicard Cisco XID protocol */ dhd->pktfilter[DHD_LLC_XID_DROP_FILTER_NUM] = DISCARD_LLC_XID; dhd->pktfilter_count = 10; } #ifdef GAN_LITE_NAT_KEEPALIVE_FILTER dhd->pktfilter_count = 4; /* Setup filter to block broadcast and NAT Keepalive packets */ /* discard all broadcast packets */ dhd->pktfilter[DHD_UNICAST_FILTER_NUM] = "100 0 0 0 0xffffff 0xffffff"; /* discard NAT Keepalive packets */ dhd->pktfilter[DHD_BROADCAST_FILTER_NUM] = "102 0 0 36 0xffffffff 0x11940009"; /* discard NAT Keepalive packets */ dhd->pktfilter[DHD_MULTICAST4_FILTER_NUM] = "104 0 0 38 0xffffffff 0x11940009"; dhd->pktfilter[DHD_MULTICAST6_FILTER_NUM] = NULL; #endif /* GAN_LITE_NAT_KEEPALIVE_FILTER */ } else dhd_conf_discard_pkt_filter(dhd); dhd_conf_add_pkt_filter(dhd); #if defined(SOFTAP) if (ap_fw_loaded) { dhd_enable_packet_filter(0, dhd); } #endif /* defined(SOFTAP) */ dhd_set_packet_filter(dhd); #endif /* PKT_FILTER_SUPPORT */ #ifdef DISABLE_11N ret = dhd_iovar(dhd, 0, "nmode", (char *)&nmode, sizeof(nmode), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s wl nmode 0 failed %d\n", __FUNCTION__, ret)); #endif /* DISABLE_11N */ #ifdef ENABLE_BCN_LI_BCN_WAKEUP ret = dhd_iovar(dhd, 0, "bcn_li_bcn", (char *)&bcn_li_bcn, sizeof(bcn_li_bcn), NULL, 0, TRUE); #endif /* ENABLE_BCN_LI_BCN_WAKEUP */ #ifdef AMPDU_VO_ENABLE tid.tid = PRIO_8021D_VO; /* Enable TID(6) for voice */ tid.enable = TRUE; ret = dhd_iovar(dhd, 0, "ampdu_tid", (char *)&tid, sizeof(tid), NULL, 0, TRUE); tid.tid = PRIO_8021D_NC; /* Enable TID(7) for voice */ tid.enable = TRUE; ret = dhd_iovar(dhd, 0, "ampdu_tid", (char *)&tid, sizeof(tid), NULL, 0, TRUE); #endif // endif /* query for 'clmver' to get clm version info from firmware */ memset(buf, 0, sizeof(buf)); ret = dhd_iovar(dhd, 0, "clmver", NULL, 0, buf, sizeof(buf), FALSE); if (ret < 0) DHD_ERROR(("%s clmver failed %d\n", __FUNCTION__, ret)); else { char *ver_temp_buf = NULL, *ver_date_buf = NULL; int len; if ((ver_temp_buf = bcmstrstr(buf, "Data:")) == NULL) { DHD_ERROR(("Couldn't find \"Data:\"\n")); } else { ver_date_buf = bcmstrstr(buf, "Creation:"); ptr = (ver_temp_buf + strlen("Data:")); if ((ver_temp_buf = bcmstrtok(&ptr, "\n", 0)) == NULL) { DHD_ERROR(("Couldn't find New line character\n")); } else { memset(clm_version, 0, CLM_VER_STR_LEN); len = snprintf(clm_version, CLM_VER_STR_LEN - 1, "%s", ver_temp_buf); if (ver_date_buf) { ptr = (ver_date_buf + strlen("Creation:")); ver_date_buf = bcmstrtok(&ptr, "\n", 0); if (ver_date_buf) snprintf(clm_version+len, CLM_VER_STR_LEN-1-len, " (%s)", ver_date_buf); } DHD_INFO(("CLM version = %s\n", clm_version)); } } if (strlen(clm_version)) { DHD_INFO(("CLM version = %s\n", clm_version)); } else { DHD_ERROR(("Couldn't find CLM version!\n")); } } dhd_set_version_info(dhd, fw_version); #ifdef WRITE_WLANINFO sec_save_wlinfo(fw_version, EPI_VERSION_STR, dhd->info->nv_path, clm_version); #endif /* WRITE_WLANINFO */ /* query for 'wlc_ver' to get version info from firmware */ memset(&wlc_ver, 0, sizeof(wl_wlc_version_t)); ret2 = dhd_iovar(dhd, 0, "wlc_ver", NULL, 0, (char *)&wlc_ver, sizeof(wl_wlc_version_t), FALSE); if (ret2 < 0) { DHD_ERROR(("%s wlc_ver failed %d\n", __FUNCTION__, ret2)); if (ret2 != BCME_UNSUPPORTED) ret = ret2; } else { dhd->wlc_ver_major = wlc_ver.wlc_ver_major; dhd->wlc_ver_minor = wlc_ver.wlc_ver_minor; } #ifdef GEN_SOFTAP_INFO_FILE sec_save_softap_info(); #endif /* GEN_SOFTAP_INFO_FILE */ #if defined(BCMSDIO) dhd_txglom_enable(dhd, dhd->conf->bus_rxglom); #endif /* defined(BCMSDIO) */ #if defined(BCMSDIO) || defined(BCMDBUS) #ifdef PROP_TXSTATUS if (disable_proptx || #ifdef PROP_TXSTATUS_VSDB /* enable WLFC only if the firmware is VSDB when it is in STA mode */ (dhd->op_mode != DHD_FLAG_HOSTAP_MODE && dhd->op_mode != DHD_FLAG_IBSS_MODE) || #endif /* PROP_TXSTATUS_VSDB */ FALSE) { wlfc_enable = FALSE; } ret = dhd_conf_get_disable_proptx(dhd); if (ret == 0){ disable_proptx = 0; wlfc_enable = TRUE; } else if (ret >= 1) { disable_proptx = 1; wlfc_enable = FALSE; /* terence 20161229: we should set ampdu_hostreorder=0 when disable_proptx=1 */ hostreorder = 0; } #if defined(PROP_TXSTATUS) #ifdef USE_WFA_CERT_CONF if (sec_get_param_wfa_cert(dhd, SET_PARAM_PROPTX, &proptx) == BCME_OK) { DHD_ERROR(("%s , read proptx param=%d\n", __FUNCTION__, proptx)); wlfc_enable = proptx; } #endif /* USE_WFA_CERT_CONF */ #endif /* PROP_TXSTATUS */ #ifndef DISABLE_11N ret = dhd_wl_ioctl_cmd(dhd, WLC_DOWN, (char *)&wl_down, sizeof(wl_down), TRUE, 0); ret2 = dhd_iovar(dhd, 0, "ampdu_hostreorder", (char *)&hostreorder, sizeof(hostreorder), NULL, 0, TRUE); if (ret2 < 0) { DHD_ERROR(("%s wl ampdu_hostreorder failed %d\n", __FUNCTION__, ret2)); if (ret2 != BCME_UNSUPPORTED) ret = ret2; if (ret == BCME_NOTDOWN) { uint wl_down = 1; ret2 = dhd_wl_ioctl_cmd(dhd, WLC_DOWN, (char *)&wl_down, sizeof(wl_down), TRUE, 0); DHD_ERROR(("%s ampdu_hostreorder fail WL_DOWN : %d, hostreorder :%d\n", __FUNCTION__, ret2, hostreorder)); ret2 = dhd_iovar(dhd, 0, "ampdu_hostreorder", (char *)&hostreorder, sizeof(hostreorder), NULL, 0, TRUE); DHD_ERROR(("%s wl ampdu_hostreorder. ret --> %d\n", __FUNCTION__, ret2)); if (ret2 != BCME_UNSUPPORTED) ret = ret2; } if (ret2 != BCME_OK) hostreorder = 0; } #endif /* DISABLE_11N */ if (wlfc_enable) { dhd_wlfc_init(dhd); /* terence 20161229: enable ampdu_hostreorder if tlv enabled */ dhd_conf_set_intiovar(dhd, WLC_SET_VAR, "ampdu_hostreorder", 1, 0, TRUE); } #ifndef DISABLE_11N else if (hostreorder) dhd_wlfc_hostreorder_init(dhd); #endif /* DISABLE_11N */ #else /* terence 20161229: disable ampdu_hostreorder if PROP_TXSTATUS not defined */ printf("%s: not define PROP_TXSTATUS\n", __FUNCTION__); dhd_conf_set_intiovar(dhd, WLC_SET_VAR, "ampdu_hostreorder", 0, 0, TRUE); #endif /* PROP_TXSTATUS */ #endif /* BCMSDIO || BCMDBUS */ #ifndef PCIE_FULL_DONGLE /* For FD we need all the packets at DHD to handle intra-BSS forwarding */ if (FW_SUPPORTED(dhd, ap)) { wl_ap_isolate = AP_ISOLATE_SENDUP_ALL; ret = dhd_iovar(dhd, 0, "ap_isolate", (char *)&wl_ap_isolate, sizeof(wl_ap_isolate), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s failed %d\n", __FUNCTION__, ret)); } #endif /* PCIE_FULL_DONGLE */ #ifdef PNO_SUPPORT if (!dhd->pno_state) { dhd_pno_init(dhd); } #endif // endif #ifdef RTT_SUPPORT if (!dhd->rtt_state) { ret = dhd_rtt_init(dhd); if (ret < 0) { DHD_ERROR(("%s failed to initialize RTT\n", __FUNCTION__)); } } #endif // endif #ifdef FILTER_IE /* Failure to configure filter IE is not a fatal error, ignore it. */ if (!(dhd->op_mode & (DHD_FLAG_HOSTAP_MODE | DHD_FLAG_MFG_MODE))) dhd_read_from_file(dhd); #endif /* FILTER_IE */ #ifdef WL11U dhd_interworking_enable(dhd); #endif /* WL11U */ #ifdef NDO_CONFIG_SUPPORT dhd->ndo_enable = FALSE; dhd->ndo_host_ip_overflow = FALSE; dhd->ndo_max_host_ip = NDO_MAX_HOST_IP_ENTRIES; #endif /* NDO_CONFIG_SUPPORT */ /* ND offload version supported */ dhd->ndo_version = dhd_ndo_get_version(dhd); if (dhd->ndo_version > 0) { DHD_INFO(("%s: ndo version %d\n", __FUNCTION__, dhd->ndo_version)); #ifdef NDO_CONFIG_SUPPORT /* enable Unsolicited NA filter */ ret = dhd_ndo_unsolicited_na_filter_enable(dhd, 1); if (ret < 0) { DHD_ERROR(("%s failed to enable Unsolicited NA filter\n", __FUNCTION__)); } #endif /* NDO_CONFIG_SUPPORT */ } /* check dongle supports wbtext (product policy) or not */ dhd->wbtext_support = FALSE; if (dhd_wl_ioctl_get_intiovar(dhd, "wnm_bsstrans_resp", &wnm_bsstrans_resp, WLC_GET_VAR, FALSE, 0) != BCME_OK) { DHD_ERROR(("failed to get wnm_bsstrans_resp\n")); } dhd->wbtext_policy = wnm_bsstrans_resp; if (dhd->wbtext_policy == WL_BSSTRANS_POLICY_PRODUCT_WBTEXT) { dhd->wbtext_support = TRUE; } /* driver can turn off wbtext feature through makefile */ if (dhd->wbtext_support) { if (dhd_wl_ioctl_set_intiovar(dhd, "wnm_bsstrans_resp", WL_BSSTRANS_POLICY_ROAM_ALWAYS, WLC_SET_VAR, FALSE, 0) != BCME_OK) { DHD_ERROR(("failed to disable WBTEXT\n")); } } #ifdef DHD_NON_DMA_M2M_CORRUPTION /* check pcie non dma loopback */ if (dhd->op_mode == DHD_FLAG_MFG_MODE && (dhd_bus_dmaxfer_lpbk(dhd, M2M_NON_DMA_LPBK) < 0)) { goto done; } #endif /* DHD_NON_DMA_M2M_CORRUPTION */ /* WNM capabilities */ wnm_cap = 0 #ifdef WL11U | WL_WNM_BSSTRANS | WL_WNM_NOTIF #endif // endif ; #if defined(WL_MBO) && defined(WL_OCE) if (FW_SUPPORTED(dhd, estm)) { wnm_cap |= WL_WNM_ESTM; } #endif /* WL_MBO && WL_OCE */ if (dhd_iovar(dhd, 0, "wnm", (char *)&wnm_cap, sizeof(wnm_cap), NULL, 0, TRUE) < 0) { DHD_ERROR(("failed to set WNM capabilities\n")); } if (FW_SUPPORTED(dhd, ecounters) && enable_ecounter) { dhd_ecounter_configure(dhd, TRUE); } /* store the preserve log set numbers */ if (dhd_get_preserve_log_numbers(dhd, &dhd->logset_prsrv_mask) != BCME_OK) { DHD_ERROR(("%s: Failed to get preserve log # !\n", __FUNCTION__)); } #ifdef WL_MONITOR if (FW_SUPPORTED(dhd, monitor)) { dhd->monitor_enable = TRUE; DHD_ERROR(("%s: Monitor mode is enabled in FW cap\n", __FUNCTION__)); } else { dhd->monitor_enable = FALSE; DHD_ERROR(("%s: Monitor mode is not enabled in FW cap\n", __FUNCTION__)); } #endif /* WL_MONITOR */ #ifdef CONFIG_SILENT_ROAM dhd->sroam_turn_on = TRUE; dhd->sroamed = FALSE; #endif /* CONFIG_SILENT_ROAM */ dhd_conf_postinit_ioctls(dhd); done: if (eventmask_msg) { MFREE(dhd->osh, eventmask_msg, msglen); eventmask_msg = NULL; } if (iov_buf) { MFREE(dhd->osh, iov_buf, WLC_IOCTL_SMLEN); iov_buf = NULL; } #if defined(DHD_8021X_DUMP) && defined(SHOW_LOGTRACE) if (el_tag) { MFREE(dhd->osh, el_tag, sizeof(wl_el_tag_params_t)); el_tag = NULL; } #endif /* DHD_8021X_DUMP */ return ret; } int dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *param_buf, uint param_len, char *res_buf, uint res_len, int set) { char *buf = NULL; int input_len; wl_ioctl_t ioc; int ret; if (res_len > WLC_IOCTL_MAXLEN || param_len > WLC_IOCTL_MAXLEN) return BCME_BADARG; input_len = strlen(name) + 1 + param_len; if (input_len > WLC_IOCTL_MAXLEN) return BCME_BADARG; buf = NULL; if (set) { if (res_buf || res_len != 0) { DHD_ERROR(("%s: SET wrong arguemnet\n", __FUNCTION__)); ret = BCME_BADARG; goto exit; } buf = MALLOCZ(pub->osh, input_len); if (!buf) { DHD_ERROR(("%s: mem alloc failed\n", __FUNCTION__)); ret = BCME_NOMEM; goto exit; } ret = bcm_mkiovar(name, param_buf, param_len, buf, input_len); if (!ret) { ret = BCME_NOMEM; goto exit; } ioc.cmd = WLC_SET_VAR; ioc.buf = buf; ioc.len = input_len; ioc.set = set; ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); } else { if (!res_buf || !res_len) { DHD_ERROR(("%s: GET failed. resp_buf NULL or length 0.\n", __FUNCTION__)); ret = BCME_BADARG; goto exit; } if (res_len < input_len) { DHD_INFO(("%s: res_len(%d) < input_len(%d)\n", __FUNCTION__, res_len, input_len)); buf = MALLOCZ(pub->osh, input_len); if (!buf) { DHD_ERROR(("%s: mem alloc failed\n", __FUNCTION__)); ret = BCME_NOMEM; goto exit; } ret = bcm_mkiovar(name, param_buf, param_len, buf, input_len); if (!ret) { ret = BCME_NOMEM; goto exit; } ioc.cmd = WLC_GET_VAR; ioc.buf = buf; ioc.len = input_len; ioc.set = set; ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); if (ret == BCME_OK) { memcpy(res_buf, buf, res_len); } } else { memset(res_buf, 0, res_len); ret = bcm_mkiovar(name, param_buf, param_len, res_buf, res_len); if (!ret) { ret = BCME_NOMEM; goto exit; } ioc.cmd = WLC_GET_VAR; ioc.buf = res_buf; ioc.len = res_len; ioc.set = set; ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); } } exit: if (buf) { MFREE(pub->osh, buf, input_len); buf = NULL; } return ret; } int dhd_getiovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, uint cmd_len, char **resptr, uint resp_len) { int len = resp_len; int ret; char *buf = *resptr; wl_ioctl_t ioc; if (resp_len > WLC_IOCTL_MAXLEN) return BCME_BADARG; memset(buf, 0, resp_len); ret = bcm_mkiovar(name, cmd_buf, cmd_len, buf, len); if (ret == 0) { return BCME_BUFTOOSHORT; } memset(&ioc, 0, sizeof(ioc)); ioc.cmd = WLC_GET_VAR; ioc.buf = buf; ioc.len = len; ioc.set = 0; ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); return ret; } int dhd_change_mtu(dhd_pub_t *dhdp, int new_mtu, int ifidx) { struct dhd_info *dhd = dhdp->info; struct net_device *dev = NULL; ASSERT(dhd && dhd->iflist[ifidx]); dev = dhd->iflist[ifidx]->net; ASSERT(dev); if (netif_running(dev)) { DHD_ERROR(("%s: Must be down to change its MTU\n", dev->name)); return BCME_NOTDOWN; } #define DHD_MIN_MTU 1500 #define DHD_MAX_MTU 1752 if ((new_mtu < DHD_MIN_MTU) || (new_mtu > DHD_MAX_MTU)) { DHD_ERROR(("%s: MTU size %d is invalid.\n", __FUNCTION__, new_mtu)); return BCME_BADARG; } dev->mtu = new_mtu; return 0; } #ifdef ARP_OFFLOAD_SUPPORT /* add or remove AOE host ip(s) (up to 8 IPs on the interface) */ void aoe_update_host_ipv4_table(dhd_pub_t *dhd_pub, u32 ipa, bool add, int idx) { u32 ipv4_buf[MAX_IPV4_ENTRIES]; /* temp save for AOE host_ip table */ int i; int ret; bzero(ipv4_buf, sizeof(ipv4_buf)); /* display what we've got */ ret = dhd_arp_get_arp_hostip_table(dhd_pub, ipv4_buf, sizeof(ipv4_buf), idx); DHD_ARPOE(("%s: hostip table read from Dongle:\n", __FUNCTION__)); #ifdef AOE_DBG dhd_print_buf(ipv4_buf, 32, 4); /* max 8 IPs 4b each */ #endif // endif /* now we saved hoste_ip table, clr it in the dongle AOE */ dhd_aoe_hostip_clr(dhd_pub, idx); if (ret) { DHD_ERROR(("%s failed\n", __FUNCTION__)); return; } for (i = 0; i < MAX_IPV4_ENTRIES; i++) { if (add && (ipv4_buf[i] == 0)) { ipv4_buf[i] = ipa; add = FALSE; /* added ipa to local table */ DHD_ARPOE(("%s: Saved new IP in temp arp_hostip[%d]\n", __FUNCTION__, i)); } else if (ipv4_buf[i] == ipa) { ipv4_buf[i] = 0; DHD_ARPOE(("%s: removed IP:%x from temp table %d\n", __FUNCTION__, ipa, i)); } if (ipv4_buf[i] != 0) { /* add back host_ip entries from our local cache */ dhd_arp_offload_add_ip(dhd_pub, ipv4_buf[i], idx); DHD_ARPOE(("%s: added IP:%x to dongle arp_hostip[%d]\n\n", __FUNCTION__, ipv4_buf[i], i)); } } #ifdef AOE_DBG /* see the resulting hostip table */ dhd_arp_get_arp_hostip_table(dhd_pub, ipv4_buf, sizeof(ipv4_buf), idx); DHD_ARPOE(("%s: read back arp_hostip table:\n", __FUNCTION__)); dhd_print_buf(ipv4_buf, 32, 4); /* max 8 IPs 4b each */ #endif // endif } /* * Notification mechanism from kernel to our driver. This function is called by the Linux kernel * whenever there is an event related to an IP address. * ptr : kernel provided pointer to IP address that has changed */ static int dhd_inetaddr_notifier_call(struct notifier_block *this, unsigned long event, void *ptr) { struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; dhd_info_t *dhd; dhd_pub_t *dhd_pub; int idx; if (!dhd_arp_enable) return NOTIFY_DONE; if (!ifa || !(ifa->ifa_dev->dev)) return NOTIFY_DONE; /* Filter notifications meant for non Broadcom devices */ if ((ifa->ifa_dev->dev->netdev_ops != &dhd_ops_pri) && (ifa->ifa_dev->dev->netdev_ops != &dhd_ops_virt)) { #if defined(WL_ENABLE_P2P_IF) if (!wl_cfgp2p_is_ifops(ifa->ifa_dev->dev->netdev_ops)) #endif /* WL_ENABLE_P2P_IF */ return NOTIFY_DONE; } dhd = DHD_DEV_INFO(ifa->ifa_dev->dev); if (!dhd) return NOTIFY_DONE; dhd_pub = &dhd->pub; if (dhd_pub->arp_version == 1) { idx = 0; } else { for (idx = 0; idx < DHD_MAX_IFS; idx++) { if (dhd->iflist[idx] && dhd->iflist[idx]->net == ifa->ifa_dev->dev) break; } if (idx < DHD_MAX_IFS) DHD_TRACE(("ifidx : %p %s %d\n", dhd->iflist[idx]->net, dhd->iflist[idx]->name, dhd->iflist[idx]->idx)); else { DHD_ERROR(("Cannot find ifidx for(%s) set to 0\n", ifa->ifa_label)); idx = 0; } } switch (event) { case NETDEV_UP: DHD_ARPOE(("%s: [%s] Up IP: 0x%x\n", __FUNCTION__, ifa->ifa_label, ifa->ifa_address)); /* * Skip if Bus is not in a state to transport the IOVAR * (or) the Dongle is not ready. */ if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(&dhd->pub) || dhd->pub.busstate == DHD_BUS_LOAD) { DHD_ERROR(("%s: bus not ready, exit NETDEV_UP : %d\n", __FUNCTION__, dhd->pub.busstate)); if (dhd->pend_ipaddr) { DHD_ERROR(("%s: overwrite pending ipaddr: 0x%x\n", __FUNCTION__, dhd->pend_ipaddr)); } dhd->pend_ipaddr = ifa->ifa_address; break; } #ifdef AOE_IP_ALIAS_SUPPORT DHD_ARPOE(("%s:add aliased IP to AOE hostip cache\n", __FUNCTION__)); aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, TRUE, idx); #endif /* AOE_IP_ALIAS_SUPPORT */ dhd_conf_set_garp(dhd_pub, idx, ifa->ifa_address, TRUE); break; case NETDEV_DOWN: DHD_ARPOE(("%s: [%s] Down IP: 0x%x\n", __FUNCTION__, ifa->ifa_label, ifa->ifa_address)); dhd->pend_ipaddr = 0; #ifdef AOE_IP_ALIAS_SUPPORT DHD_ARPOE(("%s:interface is down, AOE clr all for this if\n", __FUNCTION__)); if ((dhd_pub->op_mode & DHD_FLAG_HOSTAP_MODE) || (ifa->ifa_dev->dev != dhd_linux_get_primary_netdev(dhd_pub))) { aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, FALSE, idx); } else #endif /* AOE_IP_ALIAS_SUPPORT */ { dhd_aoe_hostip_clr(&dhd->pub, idx); dhd_aoe_arp_clr(&dhd->pub, idx); } dhd_conf_set_garp(dhd_pub, idx, ifa->ifa_address, FALSE); break; default: DHD_ARPOE(("%s: do noting for [%s] Event: %lu\n", __func__, ifa->ifa_label, event)); break; } return NOTIFY_DONE; } #endif /* ARP_OFFLOAD_SUPPORT */ #if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) /* Neighbor Discovery Offload: defered handler */ static void dhd_inet6_work_handler(void *dhd_info, void *event_data, u8 event) { struct ipv6_work_info_t *ndo_work = (struct ipv6_work_info_t *)event_data; dhd_info_t *dhd = (dhd_info_t *)dhd_info; dhd_pub_t *dhdp; int ret; if (!dhd) { DHD_ERROR(("%s: invalid dhd_info\n", __FUNCTION__)); goto done; } dhdp = &dhd->pub; if (event != DHD_WQ_WORK_IPV6_NDO) { DHD_ERROR(("%s: unexpected event\n", __FUNCTION__)); goto done; } if (!ndo_work) { DHD_ERROR(("%s: ipv6 work info is not initialized\n", __FUNCTION__)); return; } switch (ndo_work->event) { case NETDEV_UP: #ifndef NDO_CONFIG_SUPPORT DHD_TRACE(("%s: Enable NDO \n ", __FUNCTION__)); ret = dhd_ndo_enable(dhdp, TRUE); if (ret < 0) { DHD_ERROR(("%s: Enabling NDO Failed %d\n", __FUNCTION__, ret)); } #endif /* !NDO_CONFIG_SUPPORT */ DHD_TRACE(("%s: Add a host ip for NDO\n", __FUNCTION__)); if (dhdp->ndo_version > 0) { /* inet6 addr notifier called only for unicast address */ ret = dhd_ndo_add_ip_with_type(dhdp, &ndo_work->ipv6_addr[0], WL_ND_IPV6_ADDR_TYPE_UNICAST, ndo_work->if_idx); } else { ret = dhd_ndo_add_ip(dhdp, &ndo_work->ipv6_addr[0], ndo_work->if_idx); } if (ret < 0) { DHD_ERROR(("%s: Adding a host ip for NDO failed %d\n", __FUNCTION__, ret)); } break; case NETDEV_DOWN: if (dhdp->ndo_version > 0) { DHD_TRACE(("%s: Remove a host ip for NDO\n", __FUNCTION__)); ret = dhd_ndo_remove_ip_by_addr(dhdp, &ndo_work->ipv6_addr[0], ndo_work->if_idx); } else { DHD_TRACE(("%s: Clear host ip table for NDO \n", __FUNCTION__)); ret = dhd_ndo_remove_ip(dhdp, ndo_work->if_idx); } if (ret < 0) { DHD_ERROR(("%s: Removing host ip for NDO failed %d\n", __FUNCTION__, ret)); goto done; } #ifdef NDO_CONFIG_SUPPORT if (dhdp->ndo_host_ip_overflow) { ret = dhd_dev_ndo_update_inet6addr( dhd_idx2net(dhdp, ndo_work->if_idx)); if ((ret < 0) && (ret != BCME_NORESOURCE)) { DHD_ERROR(("%s: Updating host ip for NDO failed %d\n", __FUNCTION__, ret)); goto done; } } #else /* !NDO_CONFIG_SUPPORT */ DHD_TRACE(("%s: Disable NDO\n ", __FUNCTION__)); ret = dhd_ndo_enable(dhdp, FALSE); if (ret < 0) { DHD_ERROR(("%s: disabling NDO Failed %d\n", __FUNCTION__, ret)); goto done; } #endif /* NDO_CONFIG_SUPPORT */ break; default: DHD_ERROR(("%s: unknown notifier event \n", __FUNCTION__)); break; } done: /* free ndo_work. alloced while scheduling the work */ if (ndo_work) { kfree(ndo_work); } return; } /* dhd_init_logstrs_array */ /* * Neighbor Discovery Offload: Called when an interface * is assigned with ipv6 address. * Handles only primary interface */ int dhd_inet6addr_notifier_call(struct notifier_block *this, unsigned long event, void *ptr) { dhd_info_t *dhd; dhd_pub_t *dhdp; struct inet6_ifaddr *inet6_ifa = ptr; struct ipv6_work_info_t *ndo_info; int idx; /* Filter notifications meant for non Broadcom devices */ if (inet6_ifa->idev->dev->netdev_ops != &dhd_ops_pri) { return NOTIFY_DONE; } dhd = DHD_DEV_INFO(inet6_ifa->idev->dev); if (!dhd) { return NOTIFY_DONE; } dhdp = &dhd->pub; /* Supports only primary interface */ idx = dhd_net2idx(dhd, inet6_ifa->idev->dev); if (idx != 0) { return NOTIFY_DONE; } /* FW capability */ if (!FW_SUPPORTED(dhdp, ndoe)) { return NOTIFY_DONE; } ndo_info = (struct ipv6_work_info_t *)kzalloc(sizeof(struct ipv6_work_info_t), GFP_ATOMIC); if (!ndo_info) { DHD_ERROR(("%s: ipv6 work alloc failed\n", __FUNCTION__)); return NOTIFY_DONE; } /* fill up ndo_info */ ndo_info->event = event; ndo_info->if_idx = idx; memcpy(ndo_info->ipv6_addr, &inet6_ifa->addr, IPV6_ADDR_LEN); /* defer the work to thread as it may block kernel */ dhd_deferred_schedule_work(dhd->dhd_deferred_wq, (void *)ndo_info, DHD_WQ_WORK_IPV6_NDO, dhd_inet6_work_handler, DHD_WQ_WORK_PRIORITY_LOW); return NOTIFY_DONE; } #endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ /* Network attach to be invoked from the bus probe handlers */ int dhd_attach_net(dhd_pub_t *dhdp, bool need_rtnl_lock) { struct net_device *primary_ndev; BCM_REFERENCE(primary_ndev); /* Register primary net device */ if (dhd_register_if(dhdp, 0, need_rtnl_lock) != 0) { return BCME_ERROR; } #if defined(WL_CFG80211) primary_ndev = dhd_linux_get_primary_netdev(dhdp); if (wl_cfg80211_net_attach(primary_ndev) < 0) { /* fail the init */ dhd_remove_if(dhdp, 0, TRUE); return BCME_ERROR; } #endif /* WL_CFG80211 */ return BCME_OK; } int dhd_register_if(dhd_pub_t *dhdp, int ifidx, bool need_rtnl_lock) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; dhd_if_t *ifp; struct net_device *net = NULL; int err = 0; uint8 temp_addr[ETHER_ADDR_LEN] = { 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33 }; DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx)); if (dhd == NULL || dhd->iflist[ifidx] == NULL) { DHD_ERROR(("%s: Invalid Interface\n", __FUNCTION__)); return BCME_ERROR; } ASSERT(dhd && dhd->iflist[ifidx]); ifp = dhd->iflist[ifidx]; net = ifp->net; ASSERT(net && (ifp->idx == ifidx)); ASSERT(!net->netdev_ops); net->netdev_ops = &dhd_ops_virt; /* Ok, link into the network layer... */ if (ifidx == 0) { /* * device functions for the primary interface only */ net->netdev_ops = &dhd_ops_pri; if (!ETHER_ISNULLADDR(dhd->pub.mac.octet)) memcpy(temp_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); } else { /* * We have to use the primary MAC for virtual interfaces */ memcpy(temp_addr, ifp->mac_addr, ETHER_ADDR_LEN); /* * Android sets the locally administered bit to indicate that this is a * portable hotspot. This will not work in simultaneous AP/STA mode, * nor with P2P. Need to set the Donlge's MAC address, and then use that. */ if (!memcmp(temp_addr, dhd->iflist[0]->mac_addr, ETHER_ADDR_LEN)) { DHD_ERROR(("%s interface [%s]: set locally administered bit in MAC\n", __func__, net->name)); temp_addr[0] |= 0x02; } } net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen; net->ethtool_ops = &dhd_ethtool_ops; #if defined(WL_WIRELESS_EXT) #if WIRELESS_EXT < 19 net->get_wireless_stats = dhd_get_wireless_stats; #endif /* WIRELESS_EXT < 19 */ #if WIRELESS_EXT > 12 net->wireless_handlers = &wl_iw_handler_def; #endif /* WIRELESS_EXT > 12 */ #endif /* defined(WL_WIRELESS_EXT) */ dhd->pub.rxsz = DBUS_RX_BUFFER_SIZE_DHD(net); #ifdef WLMESH if (ifidx >= 2 && dhdp->conf->fw_type == FW_TYPE_MESH) { temp_addr[4] ^= 0x80; temp_addr[4] += ifidx; temp_addr[5] += ifidx; } #endif memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN); if (ifidx == 0) printf("%s\n", dhd_version); else { #ifdef WL_EXT_IAPSTA wl_ext_iapsta_update_net_device(net, ifidx); #endif /* WL_EXT_IAPSTA */ if (_dhd_set_mac_address(dhd, ifidx, net->dev_addr) == 0) DHD_INFO(("%s: MACID is overwritten\n", __FUNCTION__)); else DHD_ERROR(("%s: _dhd_set_mac_address() failed\n", __FUNCTION__)); } if (need_rtnl_lock) err = register_netdev(net); else err = register_netdevice(net); if (err != 0) { DHD_ERROR(("couldn't register the net device [%s], err %d\n", net->name, err)); goto fail; } #if defined(WL_EXT_IAPSTA) || defined(USE_IW) || defined(WL_ESCAN) wl_ext_event_attach_netdev(net, ifidx, ifp->bssidx); #ifdef WL_ESCAN wl_escan_event_attach(net, dhdp); #endif /* WL_ESCAN */ #ifdef WL_EXT_IAPSTA wl_ext_iapsta_attach_netdev(net, ifidx, ifp->bssidx); wl_ext_iapsta_attach_name(net, ifidx); #endif /* WL_EXT_IAPSTA */ #endif /* WL_EXT_IAPSTA || USE_IW || WL_ESCAN */ printf("Register interface [%s] MAC: "MACDBG"\n\n", net->name, MAC2STRDBG(net->dev_addr)); #if defined(SOFTAP) && defined(WL_WIRELESS_EXT) && !defined(WL_CFG80211) // wl_iw_iscan_set_scan_broadcast_prep(net, 1); #endif // endif #if (defined(BCMPCIE) || defined(BCMLXSDMMC) || defined(BCMDBUS)) if (ifidx == 0) { #if defined(BCMLXSDMMC) && !defined(DHD_PRELOAD) up(&dhd_registration_sem); #endif /* BCMLXSDMMC */ if (!dhd_download_fw_on_driverload) { #ifdef WL_CFG80211 wl_terminate_event_handler(net); #endif /* WL_CFG80211 */ #if defined(DHD_LB_RXP) __skb_queue_purge(&dhd->rx_pend_queue); #endif /* DHD_LB_RXP */ #if defined(DHD_LB_TXP) skb_queue_purge(&dhd->tx_pend_queue); #endif /* DHD_LB_TXP */ #ifdef SHOW_LOGTRACE /* Release the skbs from queue for WLC_E_TRACE event */ dhd_event_logtrace_flush_queue(dhdp); #endif /* SHOW_LOGTRACE */ #if defined(BCMPCIE) && defined(DHDTCPACK_SUPPRESS) dhd_tcpack_suppress_set(dhdp, TCPACK_SUP_OFF); #endif /* BCMPCIE && DHDTCPACK_SUPPRESS */ dhd_net_bus_devreset(net, TRUE); #ifdef BCMLXSDMMC dhd_net_bus_suspend(net); #endif /* BCMLXSDMMC */ wifi_platform_set_power(dhdp->info->adapter, FALSE, WIFI_TURNOFF_DELAY); #if defined(BT_OVER_SDIO) dhd->bus_user_count--; #endif /* BT_OVER_SDIO */ } #if defined(WL_WIRELESS_EXT) wl_iw_down(net, &dhd->pub); #endif /* defined(WL_WIRELESS_EXT) */ } #endif /* OEM_ANDROID && (BCMPCIE || BCMLXSDMMC) */ return 0; fail: net->netdev_ops = NULL; return err; } void dhd_bus_detach(dhd_pub_t *dhdp) { dhd_info_t *dhd; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); if (dhdp) { dhd = (dhd_info_t *)dhdp->info; if (dhd) { /* * In case of Android cfg80211 driver, the bus is down in dhd_stop, * calling stop again will cuase SD read/write errors. */ if (dhd->pub.busstate != DHD_BUS_DOWN && dhd_download_fw_on_driverload) { /* Stop the protocol module */ dhd_prot_stop(&dhd->pub); /* Stop the bus module */ #ifdef BCMDBUS /* Force Dongle terminated */ if (dhd_wl_ioctl_cmd(dhdp, WLC_TERMINATED, NULL, 0, TRUE, 0) < 0) DHD_ERROR(("%s Setting WLC_TERMINATED failed\n", __FUNCTION__)); dbus_stop(dhd->pub.bus); dhd->pub.busstate = DHD_BUS_DOWN; #else dhd_bus_stop(dhd->pub.bus, TRUE); #endif /* BCMDBUS */ } #if defined(OOB_INTR_ONLY) || defined(BCMSPI_ANDROID) || defined(BCMPCIE_OOB_HOST_WAKE) dhd_bus_oob_intr_unregister(dhdp); #endif /* OOB_INTR_ONLY || BCMSPI_ANDROID || BCMPCIE_OOB_HOST_WAKE */ } } } void dhd_detach(dhd_pub_t *dhdp) { dhd_info_t *dhd; unsigned long flags; int timer_valid = FALSE; struct net_device *dev; #ifdef WL_CFG80211 struct bcm_cfg80211 *cfg = NULL; #endif // endif if (!dhdp) return; dhd = (dhd_info_t *)dhdp->info; if (!dhd) return; dev = dhd->iflist[0]->net; if (dev) { rtnl_lock(); #if defined(WL_CFG80211) && defined(WL_STATIC_IF) if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) { cfg = wl_get_cfg(dev); if (cfg && cfg->static_ndev && (cfg->static_ndev->flags & IFF_UP)) { dev_close(cfg->static_ndev); } } #endif /* WL_CFG80211 && WL_STATIC_IF */ if (dev->flags & IFF_UP) { /* If IFF_UP is still up, it indicates that * "ifconfig wlan0 down" hasn't been called. * So invoke dev_close explicitly here to * bring down the interface. */ DHD_TRACE(("IFF_UP flag is up. Enforcing dev_close from detach \n")); dev_close(dev); } rtnl_unlock(); } DHD_TRACE(("%s: Enter state 0x%x\n", __FUNCTION__, dhd->dhd_state)); DHD_ERROR(("%s: making dhdpub up FALSE\n", __FUNCTION__)); dhd->pub.up = 0; if (!(dhd->dhd_state & DHD_ATTACH_STATE_DONE)) { /* Give sufficient time for threads to start running in case * dhd_attach() has failed */ OSL_SLEEP(100); } #ifdef DHD_WET dhd_free_wet_info(&dhd->pub, dhd->pub.wet_info); #endif /* DHD_WET */ #if defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) #endif /* defined(BCM_DNGL_EMBEDIMAGE) || defined(BCM_REQUEST_FW) */ #ifdef PROP_TXSTATUS #ifdef DHD_WLFC_THREAD if (dhd->pub.wlfc_thread) { kthread_stop(dhd->pub.wlfc_thread); dhdp->wlfc_thread_go = TRUE; wake_up_interruptible(&dhdp->wlfc_wqhead); } dhd->pub.wlfc_thread = NULL; #endif /* DHD_WLFC_THREAD */ #endif /* PROP_TXSTATUS */ #ifdef WL_CFG80211 if (dev) wl_cfg80211_down(dev); #endif /* WL_CFG80211 */ if (dhd->dhd_state & DHD_ATTACH_STATE_PROT_ATTACH) { dhd_bus_detach(dhdp); #ifdef BCMPCIE if (is_reboot == SYS_RESTART) { extern bcmdhd_wifi_platdata_t *dhd_wifi_platdata; if (dhd_wifi_platdata && !dhdp->dongle_reset) { dhdpcie_bus_clock_stop(dhdp->bus); wifi_platform_set_power(dhd_wifi_platdata->adapters, FALSE, WIFI_TURNOFF_DELAY); } } #endif /* BCMPCIE */ #ifndef PCIE_FULL_DONGLE if (dhdp->prot) dhd_prot_detach(dhdp); #endif /* !PCIE_FULL_DONGLE */ } #ifdef ARP_OFFLOAD_SUPPORT if (dhd_inetaddr_notifier_registered) { dhd_inetaddr_notifier_registered = FALSE; unregister_inetaddr_notifier(&dhd_inetaddr_notifier); } #endif /* ARP_OFFLOAD_SUPPORT */ #if defined(CONFIG_IPV6) && defined(IPV6_NDO_SUPPORT) if (dhd_inet6addr_notifier_registered) { dhd_inet6addr_notifier_registered = FALSE; unregister_inet6addr_notifier(&dhd_inet6addr_notifier); } #endif /* CONFIG_IPV6 && IPV6_NDO_SUPPORT */ #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) if (dhd->dhd_state & DHD_ATTACH_STATE_EARLYSUSPEND_DONE) { if (dhd->early_suspend.suspend) unregister_early_suspend(&dhd->early_suspend); } #endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */ #if defined(WL_WIRELESS_EXT) if (dhd->dhd_state & DHD_ATTACH_STATE_WL_ATTACH) { /* Detatch and unlink in the iw */ wl_iw_detach(dev, dhdp); } #endif /* defined(WL_WIRELESS_EXT) */ #if defined(WL_EXT_IAPSTA) || defined(USE_IW) || defined(WL_ESCAN) #ifdef WL_EXT_IAPSTA wl_ext_iapsta_dettach(dhdp); #endif /* WL_EXT_IAPSTA */ #ifdef WL_ESCAN wl_escan_detach(dev, dhdp); #endif /* WL_ESCAN */ wl_ext_event_dettach(dhdp); #endif /* WL_EXT_IAPSTA || USE_IW || WL_ESCAN */ #ifdef DHD_ULP dhd_ulp_deinit(dhd->pub.osh, dhdp); #endif /* DHD_ULP */ /* delete all interfaces, start with virtual */ if (dhd->dhd_state & DHD_ATTACH_STATE_ADD_IF) { int i = 1; dhd_if_t *ifp; /* Cleanup virtual interfaces */ dhd_net_if_lock_local(dhd); for (i = 1; i < DHD_MAX_IFS; i++) { if (dhd->iflist[i]) { dhd_remove_if(&dhd->pub, i, TRUE); } } dhd_net_if_unlock_local(dhd); /* delete primary interface 0 */ ifp = dhd->iflist[0]; if (ifp && ifp->net) { #ifdef WL_CFG80211 cfg = wl_get_cfg(ifp->net); #endif // endif /* in unregister_netdev case, the interface gets freed by net->destructor * (which is set to free_netdev) */ if (ifp->net->reg_state == NETREG_UNINITIALIZED) { free_netdev(ifp->net); } else { #if defined(ARGOS_NOTIFY_CB) argos_register_notifier_deinit(); #endif // endif #ifdef SET_RPS_CPUS custom_rps_map_clear(ifp->net->_rx); #endif /* SET_RPS_CPUS */ netif_tx_disable(ifp->net); unregister_netdev(ifp->net); } #ifdef PCIE_FULL_DONGLE ifp->net = DHD_NET_DEV_NULL; #else ifp->net = NULL; #endif /* PCIE_FULL_DONGLE */ #ifdef DHD_L2_FILTER bcm_l2_filter_arp_table_update(dhdp->osh, ifp->phnd_arp_table, TRUE, NULL, FALSE, dhdp->tickcnt); deinit_l2_filter_arp_table(dhdp->osh, ifp->phnd_arp_table); ifp->phnd_arp_table = NULL; #endif /* DHD_L2_FILTER */ dhd_if_del_sta_list(ifp); MFREE(dhd->pub.osh, ifp, sizeof(*ifp)); dhd->iflist[0] = NULL; #ifdef WL_CFG80211 if (cfg && cfg->wdev) cfg->wdev->netdev = NULL; #endif } } /* Clear the watchdog timer */ DHD_GENERAL_LOCK(&dhd->pub, flags); timer_valid = dhd->wd_timer_valid; dhd->wd_timer_valid = FALSE; DHD_GENERAL_UNLOCK(&dhd->pub, flags); if (timer_valid) del_timer_sync(&dhd->timer); DHD_DISABLE_RUNTIME_PM(&dhd->pub); #ifdef BCMDBUS tasklet_kill(&dhd->tasklet); #else if (dhd->dhd_state & DHD_ATTACH_STATE_THREADS_CREATED) { if (dhd->thr_wdt_ctl.thr_pid >= 0) { PROC_STOP(&dhd->thr_wdt_ctl); } if (dhd->rxthread_enabled && dhd->thr_rxf_ctl.thr_pid >= 0) { PROC_STOP(&dhd->thr_rxf_ctl); } if (dhd->thr_dpc_ctl.thr_pid >= 0) { PROC_STOP(&dhd->thr_dpc_ctl); } else { tasklet_kill(&dhd->tasklet); } } #endif /* BCMDBUS */ #ifdef WL_NATOE if (dhd->pub.nfct) { dhd_ct_close(dhd->pub.nfct); } #endif /* WL_NATOE */ #ifdef DHD_LB if (dhd->dhd_state & DHD_ATTACH_STATE_LB_ATTACH_DONE) { /* Clear the flag first to avoid calling the cpu notifier */ dhd->dhd_state &= ~DHD_ATTACH_STATE_LB_ATTACH_DONE; /* Kill the Load Balancing Tasklets */ #ifdef DHD_LB_RXP cancel_work_sync(&dhd->rx_napi_dispatcher_work); __skb_queue_purge(&dhd->rx_pend_queue); #endif /* DHD_LB_RXP */ #ifdef DHD_LB_TXP cancel_work_sync(&dhd->tx_dispatcher_work); tasklet_kill(&dhd->tx_tasklet); __skb_queue_purge(&dhd->tx_pend_queue); #endif /* DHD_LB_TXP */ #ifdef DHD_LB_TXC cancel_work_sync(&dhd->tx_compl_dispatcher_work); tasklet_kill(&dhd->tx_compl_tasklet); #endif /* DHD_LB_TXC */ #ifdef DHD_LB_RXC tasklet_kill(&dhd->rx_compl_tasklet); #endif /* DHD_LB_RXC */ /* Unregister from CPU Hotplug framework */ dhd_unregister_cpuhp_callback(dhd); dhd_cpumasks_deinit(dhd); DHD_LB_STATS_DEINIT(&dhd->pub); } #endif /* DHD_LB */ #ifdef CSI_SUPPORT dhd_csi_deinit(dhdp); #endif /* CSI_SUPPORT */ #if defined(DNGL_AXI_ERROR_LOGGING) && defined(DHD_USE_WQ_FOR_DNGL_AXI_ERROR) cancel_work_sync(&dhd->axi_error_dispatcher_work); #endif /* DNGL_AXI_ERROR_LOGGING && DHD_USE_WQ_FOR_DNGL_AXI_ERROR */ DHD_SSSR_MEMPOOL_DEINIT(&dhd->pub); #ifdef WL_CFG80211 if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) { if (!cfg) { DHD_ERROR(("cfg NULL!\n")); ASSERT(0); } else { wl_cfg80211_detach(cfg); dhd_monitor_uninit(); } } #endif // endif #ifdef DHD_PCIE_NATIVE_RUNTIMEPM destroy_workqueue(dhd->tx_wq); dhd->tx_wq = NULL; destroy_workqueue(dhd->rx_wq); dhd->rx_wq = NULL; #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ #ifdef DEBUGABILITY if (dhdp->dbg) { #ifdef DBG_PKT_MON dhd_os_dbg_detach_pkt_monitor(dhdp); dhd_os_spin_lock_deinit(dhd->pub.osh, dhd->pub.dbg->pkt_mon_lock); #endif /* DBG_PKT_MON */ } #endif /* DEBUGABILITY */ if (dhdp->dbg) { dhd_os_dbg_detach(dhdp); } #ifdef DHD_STATUS_LOGGING dhd_detach_statlog(dhdp); #endif /* DHD_STATUS_LOGGING */ #ifdef DHD_PKTDUMP_ROAM dhd_dump_pkt_deinit(dhdp); #endif /* DHD_PKTDUMP_ROAM */ #ifdef SHOW_LOGTRACE /* Release the skbs from queue for WLC_E_TRACE event */ dhd_event_logtrace_flush_queue(dhdp); /* Wait till event logtrace context finishes */ dhd_cancel_logtrace_process_sync(dhd); /* Remove ring proc entries */ dhd_dbg_ring_proc_destroy(&dhd->pub); if (dhd->dhd_state & DHD_ATTACH_LOGTRACE_INIT) { if (dhd->event_data.fmts) { MFREE(dhd->pub.osh, dhd->event_data.fmts, dhd->event_data.fmts_size); dhd->event_data.fmts = NULL; } if (dhd->event_data.raw_fmts) { MFREE(dhd->pub.osh, dhd->event_data.raw_fmts, dhd->event_data.raw_fmts_size); dhd->event_data.raw_fmts = NULL; } if (dhd->event_data.raw_sstr) { MFREE(dhd->pub.osh, dhd->event_data.raw_sstr, dhd->event_data.raw_sstr_size); dhd->event_data.raw_sstr = NULL; } if (dhd->event_data.rom_raw_sstr) { MFREE(dhd->pub.osh, dhd->event_data.rom_raw_sstr, dhd->event_data.rom_raw_sstr_size); dhd->event_data.rom_raw_sstr = NULL; } dhd->dhd_state &= ~DHD_ATTACH_LOGTRACE_INIT; } #endif /* SHOW_LOGTRACE */ #ifdef PNO_SUPPORT if (dhdp->pno_state) dhd_pno_deinit(dhdp); #endif // endif #ifdef RTT_SUPPORT if (dhdp->rtt_state) { dhd_rtt_deinit(dhdp); } #endif // endif #if defined(CONFIG_PM_SLEEP) if (dhd_pm_notifier_registered) { unregister_pm_notifier(&dhd->pm_notifier); dhd_pm_notifier_registered = FALSE; } #endif /* CONFIG_PM_SLEEP */ #ifdef DEBUG_CPU_FREQ if (dhd->new_freq) free_percpu(dhd->new_freq); dhd->new_freq = NULL; cpufreq_unregister_notifier(&dhd->freq_trans, CPUFREQ_TRANSITION_NOTIFIER); #endif // endif DHD_TRACE(("wd wakelock count:%d\n", dhd->wakelock_wd_counter)); #ifdef CONFIG_HAS_WAKELOCK dhd->wakelock_wd_counter = 0; wake_lock_destroy(&dhd->wl_wdwake); // terence 20161023: can not destroy wl_wifi when wlan down, it will happen null pointer in dhd_ioctl_entry wake_lock_destroy(&dhd->wl_wifi); #endif /* CONFIG_HAS_WAKELOCK */ if (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT) { DHD_OS_WAKE_LOCK_DESTROY(dhd); } #ifdef DHDTCPACK_SUPPRESS /* This will free all MEM allocated for TCPACK SUPPRESS */ dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF); #endif /* DHDTCPACK_SUPPRESS */ #ifdef PCIE_FULL_DONGLE dhd_flow_rings_deinit(dhdp); if (dhdp->prot) dhd_prot_detach(dhdp); #endif // endif #if defined(WLTDLS) && defined(PCIE_FULL_DONGLE) dhd_free_tdls_peer_list(dhdp); #endif // endif #ifdef DUMP_IOCTL_IOV_LIST dhd_iov_li_delete(dhdp, &(dhdp->dump_iovlist_head)); #endif /* DUMP_IOCTL_IOV_LIST */ #ifdef DHD_DEBUG /* memory waste feature list initilization */ dhd_mw_list_delete(dhdp, &(dhdp->mw_list_head)); #endif /* DHD_DEBUG */ #ifdef WL_MONITOR dhd_del_monitor_if(dhd); #endif /* WL_MONITOR */ #ifdef DHD_ERPOM if (dhdp->enable_erpom) { dhdp->pom_func_deregister(&dhdp->pom_wlan_handler); } #endif /* DHD_ERPOM */ cancel_work_sync(&dhd->dhd_hang_process_work); /* Prefer adding de-init code above this comment unless necessary. * The idea is to cancel work queue, sysfs and flags at the end. */ dhd_deferred_work_deinit(dhd->dhd_deferred_wq); dhd->dhd_deferred_wq = NULL; /* log dump related buffers should be freed after wq is purged */ #ifdef DHD_LOG_DUMP dhd_log_dump_deinit(&dhd->pub); #endif /* DHD_LOG_DUMP */ #if defined(BCMPCIE) if (dhdp->extended_trap_data) { MFREE(dhdp->osh, dhdp->extended_trap_data, BCMPCIE_EXT_TRAP_DATA_MAXLEN); dhdp->extended_trap_data = NULL; } #ifdef DNGL_AXI_ERROR_LOGGING if (dhdp->axi_err_dump) { MFREE(dhdp->osh, dhdp->axi_err_dump, sizeof(dhd_axi_error_dump_t)); dhdp->axi_err_dump = NULL; } #endif /* DNGL_AXI_ERROR_LOGGING */ #endif /* BCMPCIE */ #ifdef DHD_DUMP_MNGR if (dhd->pub.dump_file_manage) { MFREE(dhd->pub.osh, dhd->pub.dump_file_manage, sizeof(dhd_dump_file_manage_t)); } #endif /* DHD_DUMP_MNGR */ dhd_sysfs_exit(dhd); dhd->pub.fw_download_status = FW_UNLOADED; #if defined(BT_OVER_SDIO) mutex_destroy(&dhd->bus_user_lock); #endif /* BT_OVER_SDIO */ dhd_conf_detach(dhdp); } /* dhd_detach */ void dhd_free(dhd_pub_t *dhdp) { dhd_info_t *dhd; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); if (dhdp) { int i; for (i = 0; i < ARRAYSIZE(dhdp->reorder_bufs); i++) { if (dhdp->reorder_bufs[i]) { reorder_info_t *ptr; uint32 buf_size = sizeof(struct reorder_info); ptr = dhdp->reorder_bufs[i]; buf_size += ((ptr->max_idx + 1) * sizeof(void*)); DHD_REORDER(("free flow id buf %d, maxidx is %d, buf_size %d\n", i, ptr->max_idx, buf_size)); MFREE(dhdp->osh, dhdp->reorder_bufs[i], buf_size); dhdp->reorder_bufs[i] = NULL; } } dhd_sta_pool_fini(dhdp, DHD_MAX_STA); dhd = (dhd_info_t *)dhdp->info; if (dhdp->soc_ram) { #if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) DHD_OS_PREFREE(dhdp, dhdp->soc_ram, dhdp->soc_ram_length); #else MFREE(dhdp->osh, dhdp->soc_ram, dhdp->soc_ram_length); #endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */ dhdp->soc_ram = NULL; } if (dhd != NULL) { /* If pointer is allocated by dhd_os_prealloc then avoid MFREE */ if (dhd != (dhd_info_t *)dhd_os_prealloc(dhdp, DHD_PREALLOC_DHD_INFO, 0, FALSE)) MFREE(dhd->pub.osh, dhd, sizeof(*dhd)); dhd = NULL; } } } void dhd_clear(dhd_pub_t *dhdp) { DHD_TRACE(("%s: Enter\n", __FUNCTION__)); if (dhdp) { int i; #ifdef DHDTCPACK_SUPPRESS /* Clean up timer/data structure for any remaining/pending packet or timer. */ dhd_tcpack_info_tbl_clean(dhdp); #endif /* DHDTCPACK_SUPPRESS */ for (i = 0; i < ARRAYSIZE(dhdp->reorder_bufs); i++) { if (dhdp->reorder_bufs[i]) { reorder_info_t *ptr; uint32 buf_size = sizeof(struct reorder_info); ptr = dhdp->reorder_bufs[i]; buf_size += ((ptr->max_idx + 1) * sizeof(void*)); DHD_REORDER(("free flow id buf %d, maxidx is %d, buf_size %d\n", i, ptr->max_idx, buf_size)); MFREE(dhdp->osh, dhdp->reorder_bufs[i], buf_size); dhdp->reorder_bufs[i] = NULL; } } dhd_sta_pool_clear(dhdp, DHD_MAX_STA); if (dhdp->soc_ram) { #if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) DHD_OS_PREFREE(dhdp, dhdp->soc_ram, dhdp->soc_ram_length); #else MFREE(dhdp->osh, dhdp->soc_ram, dhdp->soc_ram_length); #endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */ dhdp->soc_ram = NULL; } } } static void dhd_module_cleanup(void) { printf("%s: Enter\n", __FUNCTION__); dhd_bus_unregister(); wl_android_exit(); dhd_wifi_platform_unregister_drv(); printf("%s: Exit\n", __FUNCTION__); } static void __exit dhd_module_exit(void) { atomic_set(&exit_in_progress, 1); dhd_module_cleanup(); unregister_reboot_notifier(&dhd_reboot_notifier); dhd_destroy_to_notifier_skt(); } static int __init dhd_module_init(void) { int err; int retry = POWERUP_MAX_RETRY; printf("%s: in %s\n", __FUNCTION__, dhd_version); DHD_PERIM_RADIO_INIT(); if (firmware_path[0] != '\0') { strncpy(fw_bak_path, firmware_path, MOD_PARAM_PATHLEN); fw_bak_path[MOD_PARAM_PATHLEN-1] = '\0'; } if (nvram_path[0] != '\0') { strncpy(nv_bak_path, nvram_path, MOD_PARAM_PATHLEN); nv_bak_path[MOD_PARAM_PATHLEN-1] = '\0'; } do { err = dhd_wifi_platform_register_drv(); if (!err) { register_reboot_notifier(&dhd_reboot_notifier); break; } else { DHD_ERROR(("%s: Failed to load the driver, try cnt %d\n", __FUNCTION__, retry)); strncpy(firmware_path, fw_bak_path, MOD_PARAM_PATHLEN); firmware_path[MOD_PARAM_PATHLEN-1] = '\0'; strncpy(nvram_path, nv_bak_path, MOD_PARAM_PATHLEN); nvram_path[MOD_PARAM_PATHLEN-1] = '\0'; } } while (retry--); dhd_create_to_notifier_skt(); if (err) { DHD_ERROR(("%s: Failed to load driver max retry reached**\n", __FUNCTION__)); } else { if (!dhd_download_fw_on_driverload) { dhd_driver_init_done = TRUE; } } printf("%s: Exit err=%d\n", __FUNCTION__, err); return err; } static int dhd_reboot_callback(struct notifier_block *this, unsigned long code, void *unused) { DHD_TRACE(("%s: code = %ld\n", __FUNCTION__, code)); if (code == SYS_RESTART) { #ifdef BCMPCIE is_reboot = code; #endif /* BCMPCIE */ } return NOTIFY_DONE; } #if defined(CONFIG_DEFERRED_INITCALLS) && !defined(EXYNOS_PCIE_MODULE_PATCH) #if defined(CONFIG_MACH_UNIVERSAL7420) || defined(CONFIG_SOC_EXYNOS8890) || \ defined(CONFIG_ARCH_MSM8996) || defined(CONFIG_ARCH_MSM8998) || \ defined(CONFIG_SOC_EXYNOS8895) || defined(CONFIG_SOC_EXYNOS9810) || \ defined(CONFIG_ARCH_SDM845) || defined(CONFIG_SOC_EXYNOS9820) || \ defined(CONFIG_ARCH_SM8150) deferred_module_init_sync(dhd_module_init); #else deferred_module_init(dhd_module_init); #endif /* CONFIG_MACH_UNIVERSAL7420 || CONFIG_SOC_EXYNOS8890 || * CONFIG_ARCH_MSM8996 || CONFIG_ARCH_MSM8998 || CONFIG_SOC_EXYNOS8895 * CONFIG_SOC_EXYNOS9810 || CONFIG_ARCH_SDM845 || CONFIG_SOC_EXYNOS9820 * CONFIG_ARCH_SM8150 */ #elif defined(USE_LATE_INITCALL_SYNC) late_initcall_sync(dhd_module_init); #else late_initcall(dhd_module_init); #endif /* USE_LATE_INITCALL_SYNC */ module_exit(dhd_module_exit); /* * OS specific functions required to implement DHD driver in OS independent way */ int dhd_os_proto_block(dhd_pub_t *pub) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); if (dhd) { DHD_PERIM_UNLOCK(pub); down(&dhd->proto_sem); DHD_PERIM_LOCK(pub); return 1; } return 0; } int dhd_os_proto_unblock(dhd_pub_t *pub) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); if (dhd) { up(&dhd->proto_sem); return 1; } return 0; } void dhd_os_dhdiovar_lock(dhd_pub_t *pub) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); if (dhd) { mutex_lock(&dhd->dhd_iovar_mutex); } } void dhd_os_dhdiovar_unlock(dhd_pub_t *pub) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); if (dhd) { mutex_unlock(&dhd->dhd_iovar_mutex); } } void dhd_os_logdump_lock(dhd_pub_t *pub) { dhd_info_t *dhd = NULL; if (!pub) return; dhd = (dhd_info_t *)(pub->info); if (dhd) { mutex_lock(&dhd->logdump_lock); } } void dhd_os_logdump_unlock(dhd_pub_t *pub) { dhd_info_t *dhd = NULL; if (!pub) return; dhd = (dhd_info_t *)(pub->info); if (dhd) { mutex_unlock(&dhd->logdump_lock); } } unsigned long dhd_os_dbgring_lock(void *lock) { if (!lock) return 0; mutex_lock((struct mutex *)lock); return 0; } void dhd_os_dbgring_unlock(void *lock, unsigned long flags) { BCM_REFERENCE(flags); if (!lock) return; mutex_unlock((struct mutex *)lock); } unsigned int dhd_os_get_ioctl_resp_timeout(void) { return ((unsigned int)dhd_ioctl_timeout_msec); } void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec) { dhd_ioctl_timeout_msec = (int)timeout_msec; } int dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); int timeout; /* Convert timeout in millsecond to jiffies */ timeout = msecs_to_jiffies(dhd_ioctl_timeout_msec); DHD_PERIM_UNLOCK(pub); timeout = wait_event_timeout(dhd->ioctl_resp_wait, (*condition), timeout); DHD_PERIM_LOCK(pub); return timeout; } int dhd_os_ioctl_resp_wake(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); wake_up(&dhd->ioctl_resp_wait); return 0; } int dhd_os_d3ack_wait(dhd_pub_t *pub, uint *condition) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); int timeout; /* Convert timeout in millsecond to jiffies */ timeout = msecs_to_jiffies(D3_ACK_RESP_TIMEOUT); DHD_PERIM_UNLOCK(pub); timeout = wait_event_timeout(dhd->d3ack_wait, (*condition), timeout); DHD_PERIM_LOCK(pub); return timeout; } int dhd_os_d3ack_wake(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); wake_up(&dhd->d3ack_wait); return 0; } int dhd_os_busbusy_wait_negation(dhd_pub_t *pub, uint *condition) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); int timeout; /* Wait for bus usage contexts to gracefully exit within some timeout value * Set time out to little higher than dhd_ioctl_timeout_msec, * so that IOCTL timeout should not get affected. */ /* Convert timeout in millsecond to jiffies */ timeout = msecs_to_jiffies(DHD_BUS_BUSY_TIMEOUT); timeout = wait_event_timeout(dhd->dhd_bus_busy_state_wait, !(*condition), timeout); return timeout; } /* * Wait until the condition *var == condition is met. * Returns 0 if the @condition evaluated to false after the timeout elapsed * Returns 1 if the @condition evaluated to true */ int dhd_os_busbusy_wait_condition(dhd_pub_t *pub, uint *var, uint condition) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); int timeout; /* Convert timeout in millsecond to jiffies */ timeout = msecs_to_jiffies(DHD_BUS_BUSY_TIMEOUT); timeout = wait_event_timeout(dhd->dhd_bus_busy_state_wait, (*var == condition), timeout); return timeout; } /* * Wait until the '(*var & bitmask) == condition' is met. * Returns 0 if the @condition evaluated to false after the timeout elapsed * Returns 1 if the @condition evaluated to true */ int dhd_os_busbusy_wait_bitmask(dhd_pub_t *pub, uint *var, uint bitmask, uint condition) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); int timeout; /* Convert timeout in millsecond to jiffies */ timeout = msecs_to_jiffies(DHD_BUS_BUSY_TIMEOUT); timeout = wait_event_timeout(dhd->dhd_bus_busy_state_wait, ((*var & bitmask) == condition), timeout); return timeout; } int dhd_os_dmaxfer_wait(dhd_pub_t *pub, uint *condition) { int ret = 0; dhd_info_t * dhd = (dhd_info_t *)(pub->info); int timeout; timeout = msecs_to_jiffies(IOCTL_DMAXFER_TIMEOUT); DHD_PERIM_UNLOCK(pub); ret = wait_event_timeout(dhd->dmaxfer_wait, (*condition), timeout); DHD_PERIM_LOCK(pub); return ret; } int dhd_os_dmaxfer_wake(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); wake_up(&dhd->dmaxfer_wait); return 0; } void dhd_os_tx_completion_wake(dhd_pub_t *dhd) { /* Call wmb() to make sure before waking up the other event value gets updated */ OSL_SMP_WMB(); wake_up(&dhd->tx_completion_wait); } /* Fix compilation error for FC11 */ INLINE int dhd_os_busbusy_wake(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); /* Call wmb() to make sure before waking up the other event value gets updated */ OSL_SMP_WMB(); wake_up(&dhd->dhd_bus_busy_state_wait); return 0; } void dhd_os_wd_timer_extend(void *bus, bool extend) { #ifndef BCMDBUS dhd_pub_t *pub = bus; dhd_info_t *dhd = (dhd_info_t *)pub->info; if (extend) dhd_os_wd_timer(bus, WATCHDOG_EXTEND_INTERVAL); else dhd_os_wd_timer(bus, dhd->default_wd_interval); #endif /* !BCMDBUS */ } void dhd_os_wd_timer(void *bus, uint wdtick) { #ifndef BCMDBUS dhd_pub_t *pub = bus; dhd_info_t *dhd = (dhd_info_t *)pub->info; unsigned long flags; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); if (!dhd) { DHD_ERROR(("%s: dhd NULL\n", __FUNCTION__)); return; } DHD_GENERAL_LOCK(pub, flags); /* don't start the wd until fw is loaded */ if (pub->busstate == DHD_BUS_DOWN) { DHD_GENERAL_UNLOCK(pub, flags); #ifdef BCMSDIO if (!wdtick) { DHD_OS_WD_WAKE_UNLOCK(pub); } #endif /* BCMSDIO */ return; } /* Totally stop the timer */ if (!wdtick && dhd->wd_timer_valid == TRUE) { dhd->wd_timer_valid = FALSE; DHD_GENERAL_UNLOCK(pub, flags); del_timer_sync(&dhd->timer); #ifdef BCMSDIO DHD_OS_WD_WAKE_UNLOCK(pub); #endif /* BCMSDIO */ return; } if (wdtick) { #ifdef BCMSDIO DHD_OS_WD_WAKE_LOCK(pub); dhd_watchdog_ms = (uint)wdtick; #endif /* BCMSDIO */ /* Re arm the timer, at last watchdog period */ mod_timer(&dhd->timer, jiffies + msecs_to_jiffies(dhd_watchdog_ms)); dhd->wd_timer_valid = TRUE; } DHD_GENERAL_UNLOCK(pub, flags); #endif /* !BCMDBUS */ } void * dhd_os_open_image1(dhd_pub_t *pub, char *filename) { struct file *fp; int size; fp = filp_open(filename, O_RDONLY, 0); /* * 2.6.11 (FC4) supports filp_open() but later revs don't? * Alternative: * fp = open_namei(AT_FDCWD, filename, O_RD, 0); * ??? */ if (IS_ERR(fp)) { fp = NULL; goto err; } if (!S_ISREG(file_inode(fp)->i_mode)) { DHD_ERROR(("%s: %s is not regular file\n", __FUNCTION__, filename)); fp = NULL; goto err; } size = i_size_read(file_inode(fp)); if (size <= 0) { DHD_ERROR(("%s: %s file size invalid %d\n", __FUNCTION__, filename, size)); fp = NULL; goto err; } DHD_ERROR(("%s: %s (%d bytes) open success\n", __FUNCTION__, filename, size)); err: return fp; } int dhd_os_get_image_block(char *buf, int len, void *image) { struct file *fp = (struct file *)image; int rdlen; int size; if (!image) { return 0; } size = i_size_read(file_inode(fp)); rdlen = compat_kernel_read(fp, fp->f_pos, buf, MIN(len, size)); if (len >= size && size != rdlen) { return -EIO; } if (rdlen > 0) { fp->f_pos += rdlen; } return rdlen; } #if defined(BT_OVER_SDIO) int dhd_os_gets_image(dhd_pub_t *pub, char *str, int len, void *image) { struct file *fp = (struct file *)image; int rd_len; uint str_len = 0; char *str_end = NULL; if (!image) return 0; rd_len = compat_kernel_read(fp, fp->f_pos, str, len); str_end = strnchr(str, len, '\n'); if (str_end == NULL) { goto err; } str_len = (uint)(str_end - str); /* Advance file pointer past the string length */ fp->f_pos += str_len + 1; bzero(str_end, rd_len - str_len); err: return str_len; } #endif /* defined (BT_OVER_SDIO) */ int dhd_os_get_image_size(void *image) { struct file *fp = (struct file *)image; int size; if (!image) { return 0; } size = i_size_read(file_inode(fp)); return size; } void dhd_os_close_image1(dhd_pub_t *pub, void *image) { if (image) { filp_close((struct file *)image, NULL); } } void dhd_os_sdlock(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); #ifdef BCMDBUS spin_lock_bh(&dhd->sdlock); #else if (dhd_dpc_prio >= 0) down(&dhd->sdsem); else spin_lock_bh(&dhd->sdlock); #endif /* !BCMDBUS */ } void dhd_os_sdunlock(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); #ifdef BCMDBUS spin_unlock_bh(&dhd->sdlock); #else if (dhd_dpc_prio >= 0) up(&dhd->sdsem); else spin_unlock_bh(&dhd->sdlock); #endif /* !BCMDBUS */ } void dhd_os_sdlock_txq(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); #ifdef BCMDBUS spin_lock_irqsave(&dhd->txqlock, dhd->txqlock_flags); #else spin_lock_bh(&dhd->txqlock); #endif /* BCMDBUS */ } void dhd_os_sdunlock_txq(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); #ifdef BCMDBUS spin_unlock_irqrestore(&dhd->txqlock, dhd->txqlock_flags); #else spin_unlock_bh(&dhd->txqlock); #endif /* BCMDBUS */ } void dhd_os_sdlock_rxq(dhd_pub_t *pub) { } void dhd_os_sdunlock_rxq(dhd_pub_t *pub) { } static void dhd_os_rxflock(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); spin_lock_bh(&dhd->rxf_lock); } static void dhd_os_rxfunlock(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); spin_unlock_bh(&dhd->rxf_lock); } #ifdef DHDTCPACK_SUPPRESS unsigned long dhd_os_tcpacklock(dhd_pub_t *pub) { dhd_info_t *dhd; unsigned long flags = 0; dhd = (dhd_info_t *)(pub->info); if (dhd) { #ifdef BCMSDIO spin_lock_bh(&dhd->tcpack_lock); #else spin_lock_irqsave(&dhd->tcpack_lock, flags); #endif /* BCMSDIO */ } return flags; } void dhd_os_tcpackunlock(dhd_pub_t *pub, unsigned long flags) { dhd_info_t *dhd; #ifdef BCMSDIO BCM_REFERENCE(flags); #endif /* BCMSDIO */ dhd = (dhd_info_t *)(pub->info); if (dhd) { #ifdef BCMSDIO spin_unlock_bh(&dhd->tcpack_lock); #else spin_unlock_irqrestore(&dhd->tcpack_lock, flags); #endif /* BCMSDIO */ } } #endif /* DHDTCPACK_SUPPRESS */ uint8* dhd_os_prealloc(dhd_pub_t *dhdpub, int section, uint size, bool kmalloc_if_fail) { uint8* buf; gfp_t flags = CAN_SLEEP() ? GFP_KERNEL: GFP_ATOMIC; buf = (uint8*)wifi_platform_prealloc(dhdpub->info->adapter, section, size); if (buf == NULL && kmalloc_if_fail) buf = kmalloc(size, flags); return buf; } void dhd_os_prefree(dhd_pub_t *dhdpub, void *addr, uint size) { } #if defined(WL_WIRELESS_EXT) struct iw_statistics * dhd_get_wireless_stats(struct net_device *dev) { int res = 0; dhd_info_t *dhd = DHD_DEV_INFO(dev); if (!dhd->pub.up) { return NULL; } if (!(dev->flags & IFF_UP)) { return NULL; } res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats); if (res == 0) return &dhd->iw.wstats; else return NULL; } #endif /* defined(WL_WIRELESS_EXT) */ static int dhd_wl_host_event(dhd_info_t *dhd, int ifidx, void *pktdata, uint16 pktlen, wl_event_msg_t *event, void **data) { int bcmerror = 0; #ifdef WL_CFG80211 unsigned long flags = 0; #endif /* WL_CFG80211 */ ASSERT(dhd != NULL); #ifdef SHOW_LOGTRACE bcmerror = wl_process_host_event(&dhd->pub, &ifidx, pktdata, pktlen, event, data, &dhd->event_data); #else bcmerror = wl_process_host_event(&dhd->pub, &ifidx, pktdata, pktlen, event, data, NULL); #endif /* SHOW_LOGTRACE */ if (unlikely(bcmerror != BCME_OK)) { return bcmerror; } if (ntoh32(event->event_type) == WLC_E_IF) { /* WLC_E_IF event types are consumed by wl_process_host_event. * For ifadd/del ops, the netdev ptr may not be valid at this * point. so return before invoking cfg80211/wext handlers. */ return BCME_OK; } #if defined(WL_EXT_IAPSTA) || defined(USE_IW) wl_ext_event_send(dhd->pub.event_params, event, *data); #endif #ifdef WL_CFG80211 if (dhd->iflist[ifidx]->net) { spin_lock_irqsave(&dhd->pub.up_lock, flags); if (dhd->pub.up) { wl_cfg80211_event(dhd->iflist[ifidx]->net, event, *data); } spin_unlock_irqrestore(&dhd->pub.up_lock, flags); } #endif /* defined(WL_CFG80211) */ return (bcmerror); } /* send up locally generated event */ void dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data) { switch (ntoh32(event->event_type)) { /* Handle error case or further events here */ default: break; } } #ifdef LOG_INTO_TCPDUMP void dhd_sendup_log(dhd_pub_t *dhdp, void *data, int data_len) { struct sk_buff *p, *skb; uint32 pktlen; int len; dhd_if_t *ifp; dhd_info_t *dhd; uchar *skb_data; int ifidx = 0; struct ether_header eth; pktlen = sizeof(eth) + data_len; dhd = dhdp->info; if ((p = PKTGET(dhdp->osh, pktlen, FALSE))) { ASSERT(ISALIGNED((uintptr)PKTDATA(dhdp->osh, p), sizeof(uint32))); bcopy(&dhdp->mac, ð.ether_dhost, ETHER_ADDR_LEN); bcopy(&dhdp->mac, ð.ether_shost, ETHER_ADDR_LEN); ETHER_TOGGLE_LOCALADDR(ð.ether_shost); eth.ether_type = hton16(ETHER_TYPE_BRCM); bcopy((void *)ð, PKTDATA(dhdp->osh, p), sizeof(eth)); bcopy(data, PKTDATA(dhdp->osh, p) + sizeof(eth), data_len); skb = PKTTONATIVE(dhdp->osh, p); skb_data = skb->data; len = skb->len; ifidx = dhd_ifname2idx(dhd, "wlan0"); ifp = dhd->iflist[ifidx]; if (ifp == NULL) ifp = dhd->iflist[0]; ASSERT(ifp); skb->dev = ifp->net; skb->protocol = eth_type_trans(skb, skb->dev); skb->data = skb_data; skb->len = len; /* Strip header, count, deliver upward */ skb_pull(skb, ETH_HLEN); bcm_object_trace_opr(skb, BCM_OBJDBG_REMOVE, __FUNCTION__, __LINE__); /* Send the packet */ if (in_interrupt()) { netif_rx(skb); } else { netif_rx_ni(skb); } } else { /* Could not allocate a sk_buf */ DHD_ERROR(("%s: unable to alloc sk_buf\n", __FUNCTION__)); } } #endif /* LOG_INTO_TCPDUMP */ void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar) { #if defined(BCMSDIO) struct dhd_info *dhdinfo = dhd->info; int timeout = msecs_to_jiffies(IOCTL_RESP_TIMEOUT); dhd_os_sdunlock(dhd); wait_event_timeout(dhdinfo->ctrl_wait, (*lockvar == FALSE), timeout); dhd_os_sdlock(dhd); #endif /* defined(BCMSDIO) */ return; } /* dhd_init_static_strs_array */ void dhd_wait_event_wakeup(dhd_pub_t *dhd) { #if defined(BCMSDIO) struct dhd_info *dhdinfo = dhd->info; if (waitqueue_active(&dhdinfo->ctrl_wait)) wake_up(&dhdinfo->ctrl_wait); #endif // endif return; } #if defined(BCMSDIO) || defined(BCMPCIE) || defined(BCMDBUS) int dhd_net_bus_devreset(struct net_device *dev, uint8 flag) { int ret; dhd_info_t *dhd = DHD_DEV_INFO(dev); #ifdef DHD_PCIE_NATIVE_RUNTIMEPM if (pm_runtime_get_sync(dhd_bus_to_dev(dhd->pub.bus)) < 0) return BCME_ERROR; #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ if (flag == TRUE) { /* Issue wl down command before resetting the chip */ if (dhd_wl_ioctl_cmd(&dhd->pub, WLC_DOWN, NULL, 0, TRUE, 0) < 0) { DHD_TRACE(("%s: wl down failed\n", __FUNCTION__)); } #ifdef PROP_TXSTATUS if (dhd->pub.wlfc_enabled) { dhd_wlfc_deinit(&dhd->pub); } #endif /* PROP_TXSTATUS */ #ifdef PNO_SUPPORT if (dhd->pub.pno_state) { dhd_pno_deinit(&dhd->pub); } #endif // endif #ifdef RTT_SUPPORT if (dhd->pub.rtt_state) { dhd_rtt_deinit(&dhd->pub); } #endif /* RTT_SUPPORT */ #if defined(DBG_PKT_MON) && !defined(DBG_PKT_MON_INIT_DEFAULT) dhd_os_dbg_detach_pkt_monitor(&dhd->pub); #endif /* DBG_PKT_MON */ } #ifdef BCMSDIO if (!flag) { dhd_update_fw_nv_path(dhd); /* update firmware and nvram path to sdio bus */ dhd_bus_update_fw_nv_path(dhd->pub.bus, dhd->fw_path, dhd->nv_path, dhd->clm_path, dhd->conf_path); } #endif /* BCMSDIO */ ret = dhd_bus_devreset(&dhd->pub, flag); #ifdef DHD_PCIE_NATIVE_RUNTIMEPM pm_runtime_mark_last_busy(dhd_bus_to_dev(dhd->pub.bus)); pm_runtime_put_autosuspend(dhd_bus_to_dev(dhd->pub.bus)); #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ if (flag) { /* Clear some flags for recovery logic */ dhd->pub.dongle_trap_occured = 0; dhd->pub.iovar_timeout_occured = 0; #ifdef PCIE_FULL_DONGLE dhd->pub.d3ack_timeout_occured = 0; dhd->pub.livelock_occured = 0; dhd->pub.pktid_audit_failed = 0; #endif /* PCIE_FULL_DONGLE */ dhd->pub.iface_op_failed = 0; dhd->pub.scan_timeout_occurred = 0; dhd->pub.scan_busy_occurred = 0; dhd->pub.smmu_fault_occurred = 0; } if (ret) { DHD_ERROR(("%s: dhd_bus_devreset: %d\n", __FUNCTION__, ret)); } return ret; } #ifdef BCMSDIO int dhd_net_bus_suspend(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return dhd_bus_suspend(&dhd->pub); } int dhd_net_bus_resume(struct net_device *dev, uint8 stage) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return dhd_bus_resume(&dhd->pub, stage); } #endif /* BCMSDIO */ #endif /* BCMSDIO || BCMPCIE || BCMDBUS */ int net_os_set_suspend_disable(struct net_device *dev, int val) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ret = 0; if (dhd) { ret = dhd->pub.suspend_disable_flag; dhd->pub.suspend_disable_flag = val; } return ret; } int net_os_set_suspend(struct net_device *dev, int val, int force) { int ret = 0; dhd_info_t *dhd = DHD_DEV_INFO(dev); if (dhd && dhd->pub.conf->suspend_mode == EARLY_SUSPEND) { if (!val) dhd_conf_set_suspend_resume(&dhd->pub, val); #ifdef CONFIG_MACH_UNIVERSAL7420 #endif /* CONFIG_MACH_UNIVERSAL7420 */ #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) ret = dhd_set_suspend(val, &dhd->pub); #else ret = dhd_suspend_resume_helper(dhd, val, force); #endif // endif #ifdef WL_CFG80211 wl_cfg80211_update_power_mode(dev); #endif // endif if (val) dhd_conf_set_suspend_resume(&dhd->pub, val); } return ret; } int net_os_set_suspend_bcn_li_dtim(struct net_device *dev, int val) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (dhd) { DHD_ERROR(("%s: Set bcn_li_dtim in suspend %d\n", __FUNCTION__, val)); dhd->pub.suspend_bcn_li_dtim = val; } return 0; } int net_os_set_max_dtim_enable(struct net_device *dev, int val) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (dhd) { DHD_ERROR(("%s: use MAX bcn_li_dtim in suspend %s\n", __FUNCTION__, (val ? "Enable" : "Disable"))); if (val) { dhd->pub.max_dtim_enable = TRUE; } else { dhd->pub.max_dtim_enable = FALSE; } } else { return -1; } return 0; } #ifdef DISABLE_DTIM_IN_SUSPEND int net_os_set_disable_dtim_in_suspend(struct net_device *dev, int val) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (dhd) { DHD_ERROR(("%s: Disable bcn_li_dtim in suspend %s\n", __FUNCTION__, (val ? "Enable" : "Disable"))); if (val) { dhd->pub.disable_dtim_in_suspend = TRUE; } else { dhd->pub.disable_dtim_in_suspend = FALSE; } } else { return -1; } return 0; } #endif /* DISABLE_DTIM_IN_SUSPEND */ #ifdef PKT_FILTER_SUPPORT int net_os_rxfilter_add_remove(struct net_device *dev, int add_remove, int num) { int ret = 0; #ifndef GAN_LITE_NAT_KEEPALIVE_FILTER dhd_info_t *dhd = DHD_DEV_INFO(dev); if (!dhd_master_mode) add_remove = !add_remove; DHD_ERROR(("%s: add_remove = %d, num = %d\n", __FUNCTION__, add_remove, num)); if (!dhd || (num == DHD_UNICAST_FILTER_NUM)) { return 0; } #ifdef BLOCK_IPV6_PACKET /* customer want to use NO IPV6 packets only */ if (num == DHD_MULTICAST6_FILTER_NUM) { return 0; } #endif /* BLOCK_IPV6_PACKET */ if (num >= dhd->pub.pktfilter_count) { return -EINVAL; } ret = dhd_packet_filter_add_remove(&dhd->pub, add_remove, num); #endif /* !GAN_LITE_NAT_KEEPALIVE_FILTER */ return ret; } int dhd_os_enable_packet_filter(dhd_pub_t *dhdp, int val) { int ret = 0; /* Packet filtering is set only if we still in early-suspend and * we need either to turn it ON or turn it OFF * We can always turn it OFF in case of early-suspend, but we turn it * back ON only if suspend_disable_flag was not set */ if (dhdp && dhdp->up) { if (dhdp->in_suspend) { if (!val || (val && !dhdp->suspend_disable_flag)) dhd_enable_packet_filter(val, dhdp); } } return ret; } /* function to enable/disable packet for Network device */ int net_os_enable_packet_filter(struct net_device *dev, int val) { dhd_info_t *dhd = DHD_DEV_INFO(dev); DHD_ERROR(("%s: val = %d\n", __FUNCTION__, val)); return dhd_os_enable_packet_filter(&dhd->pub, val); } #endif /* PKT_FILTER_SUPPORT */ int dhd_dev_init_ioctl(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ret; if ((ret = dhd_sync_with_dongle(&dhd->pub)) < 0) goto done; done: return ret; } int dhd_dev_get_feature_set(struct net_device *dev) { dhd_info_t *ptr = *(dhd_info_t **)netdev_priv(dev); dhd_pub_t *dhd = (&ptr->pub); int feature_set = 0; if (FW_SUPPORTED(dhd, sta)) feature_set |= WIFI_FEATURE_INFRA; if (FW_SUPPORTED(dhd, dualband)) feature_set |= WIFI_FEATURE_INFRA_5G; if (FW_SUPPORTED(dhd, p2p)) feature_set |= WIFI_FEATURE_P2P; if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) feature_set |= WIFI_FEATURE_SOFT_AP; if (FW_SUPPORTED(dhd, tdls)) feature_set |= WIFI_FEATURE_TDLS; if (FW_SUPPORTED(dhd, vsdb)) feature_set |= WIFI_FEATURE_TDLS_OFFCHANNEL; if (FW_SUPPORTED(dhd, nan)) { feature_set |= WIFI_FEATURE_NAN; /* NAN is essentail for d2d rtt */ if (FW_SUPPORTED(dhd, rttd2d)) feature_set |= WIFI_FEATURE_D2D_RTT; } #ifdef RTT_SUPPORT if (dhd->rtt_supported) { feature_set |= WIFI_FEATURE_D2D_RTT; feature_set |= WIFI_FEATURE_D2AP_RTT; } #endif /* RTT_SUPPORT */ #ifdef LINKSTAT_SUPPORT feature_set |= WIFI_FEATURE_LINKSTAT; #endif /* LINKSTAT_SUPPORT */ #if defined(PNO_SUPPORT) && !defined(DISABLE_ANDROID_PNO) if (dhd_is_pno_supported(dhd)) { feature_set |= WIFI_FEATURE_PNO; #ifdef GSCAN_SUPPORT /* terence 20171115: remove to get GTS PASS * com.google.android.gts.wifi.WifiHostTest#testWifiScannerBatchTimestamp */ // feature_set |= WIFI_FEATURE_GSCAN; // feature_set |= WIFI_FEATURE_HAL_EPNO; #endif /* GSCAN_SUPPORT */ } #endif /* PNO_SUPPORT && !DISABLE_ANDROID_PNO */ #ifdef RSSI_MONITOR_SUPPORT if (FW_SUPPORTED(dhd, rssi_mon)) { feature_set |= WIFI_FEATURE_RSSI_MONITOR; } #endif /* RSSI_MONITOR_SUPPORT */ #ifdef WL11U feature_set |= WIFI_FEATURE_HOTSPOT; #endif /* WL11U */ #ifdef NDO_CONFIG_SUPPORT feature_set |= WIFI_FEATURE_CONFIG_NDO; #endif /* NDO_CONFIG_SUPPORT */ #ifdef KEEP_ALIVE feature_set |= WIFI_FEATURE_MKEEP_ALIVE; #endif /* KEEP_ALIVE */ #ifdef FILTER_IE if (FW_SUPPORTED(dhd, fie)) { feature_set |= WIFI_FEATURE_FILTER_IE; } #endif /* FILTER_IE */ #ifdef ROAMEXP_SUPPORT /* Check if the Android O roam feature is supported by FW */ if (!(BCME_UNSUPPORTED == dhd_dev_set_whitelist_ssid(dev, NULL, 0, true))) { feature_set |= WIFI_FEATURE_CONTROL_ROAMING; } #endif /* ROAMEXP_SUPPORT */ return feature_set; } int dhd_dev_get_feature_set_matrix(struct net_device *dev, int num) { int feature_set_full; int ret = 0; feature_set_full = dhd_dev_get_feature_set(dev); /* Common feature set for all interface */ ret = (feature_set_full & WIFI_FEATURE_INFRA) | (feature_set_full & WIFI_FEATURE_INFRA_5G) | (feature_set_full & WIFI_FEATURE_D2D_RTT) | (feature_set_full & WIFI_FEATURE_D2AP_RTT) | (feature_set_full & WIFI_FEATURE_RSSI_MONITOR) | (feature_set_full & WIFI_FEATURE_EPR); /* Specific feature group for each interface */ switch (num) { case 0: ret |= (feature_set_full & WIFI_FEATURE_P2P) | /* Not supported yet */ /* (feature_set_full & WIFI_FEATURE_NAN) | */ (feature_set_full & WIFI_FEATURE_TDLS) | (feature_set_full & WIFI_FEATURE_PNO) | (feature_set_full & WIFI_FEATURE_HAL_EPNO) | (feature_set_full & WIFI_FEATURE_BATCH_SCAN) | (feature_set_full & WIFI_FEATURE_GSCAN) | (feature_set_full & WIFI_FEATURE_HOTSPOT) | (feature_set_full & WIFI_FEATURE_ADDITIONAL_STA); break; case 1: ret |= (feature_set_full & WIFI_FEATURE_P2P); /* Not yet verified NAN with P2P */ /* (feature_set_full & WIFI_FEATURE_NAN) | */ break; case 2: ret |= (feature_set_full & WIFI_FEATURE_NAN) | (feature_set_full & WIFI_FEATURE_TDLS) | (feature_set_full & WIFI_FEATURE_TDLS_OFFCHANNEL); break; default: ret = WIFI_FEATURE_INVALID; DHD_ERROR(("%s: Out of index(%d) for get feature set\n", __FUNCTION__, num)); break; } return ret; } #ifdef CUSTOM_FORCE_NODFS_FLAG int dhd_dev_set_nodfs(struct net_device *dev, u32 nodfs) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (nodfs) dhd->pub.dhd_cflags |= WLAN_PLAT_NODFS_FLAG; else dhd->pub.dhd_cflags &= ~WLAN_PLAT_NODFS_FLAG; dhd->pub.force_country_change = TRUE; return 0; } #endif /* CUSTOM_FORCE_NODFS_FLAG */ #ifdef NDO_CONFIG_SUPPORT int dhd_dev_ndo_cfg(struct net_device *dev, u8 enable) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); dhd_pub_t *dhdp = &dhd->pub; int ret = 0; if (enable) { /* enable ND offload feature (will be enabled in FW on suspend) */ dhdp->ndo_enable = TRUE; /* Update changes of anycast address & DAD failed address */ ret = dhd_dev_ndo_update_inet6addr(dev); if ((ret < 0) && (ret != BCME_NORESOURCE)) { DHD_ERROR(("%s: failed to update host ip addr: %d\n", __FUNCTION__, ret)); return ret; } } else { /* disable ND offload feature */ dhdp->ndo_enable = FALSE; /* disable ND offload in FW */ ret = dhd_ndo_enable(dhdp, FALSE); if (ret < 0) { DHD_ERROR(("%s: failed to disable NDO: %d\n", __FUNCTION__, ret)); } } return ret; } /* #pragma used as a WAR to fix build failure, * ignore dropping of 'const' qualifier in 'list_entry' macro * this pragma disables the warning only for the following function */ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" static int dhd_dev_ndo_get_valid_inet6addr_count(struct inet6_dev *inet6) { struct inet6_ifaddr *ifa; struct ifacaddr6 *acaddr = NULL; int addr_count = 0; /* lock */ read_lock_bh(&inet6->lock); /* Count valid unicast address */ list_for_each_entry(ifa, &inet6->addr_list, if_list) { if ((ifa->flags & IFA_F_DADFAILED) == 0) { addr_count++; } } /* Count anycast address */ acaddr = inet6->ac_list; while (acaddr) { addr_count++; acaddr = acaddr->aca_next; } /* unlock */ read_unlock_bh(&inet6->lock); return addr_count; } int dhd_dev_ndo_update_inet6addr(struct net_device *dev) { dhd_info_t *dhd; dhd_pub_t *dhdp; struct inet6_dev *inet6; struct inet6_ifaddr *ifa; struct ifacaddr6 *acaddr = NULL; struct in6_addr *ipv6_addr = NULL; int cnt, i; int ret = BCME_OK; /* * this function evaulates host ip address in struct inet6_dev * unicast addr in inet6_dev->addr_list * anycast addr in inet6_dev->ac_list * while evaluating inet6_dev, read_lock_bh() is required to prevent * access on null(freed) pointer. */ if (dev) { inet6 = dev->ip6_ptr; if (!inet6) { DHD_ERROR(("%s: Invalid inet6_dev\n", __FUNCTION__)); return BCME_ERROR; } dhd = DHD_DEV_INFO(dev); if (!dhd) { DHD_ERROR(("%s: Invalid dhd_info\n", __FUNCTION__)); return BCME_ERROR; } dhdp = &dhd->pub; if (dhd_net2idx(dhd, dev) != 0) { DHD_ERROR(("%s: Not primary interface\n", __FUNCTION__)); return BCME_ERROR; } } else { DHD_ERROR(("%s: Invalid net_device\n", __FUNCTION__)); return BCME_ERROR; } /* Check host IP overflow */ cnt = dhd_dev_ndo_get_valid_inet6addr_count(inet6); if (cnt > dhdp->ndo_max_host_ip) { if (!dhdp->ndo_host_ip_overflow) { dhdp->ndo_host_ip_overflow = TRUE; /* Disable ND offload in FW */ DHD_INFO(("%s: Host IP overflow, disable NDO\n", __FUNCTION__)); ret = dhd_ndo_enable(dhdp, FALSE); } return ret; } /* * Allocate ipv6 addr buffer to store addresses to be added/removed. * driver need to lock inet6_dev while accessing structure. but, driver * cannot use ioctl while inet6_dev locked since it requires scheduling * hence, copy addresses to the buffer and do ioctl after unlock. */ ipv6_addr = (struct in6_addr *)MALLOC(dhdp->osh, sizeof(struct in6_addr) * dhdp->ndo_max_host_ip); if (!ipv6_addr) { DHD_ERROR(("%s: failed to alloc ipv6 addr buffer\n", __FUNCTION__)); return BCME_NOMEM; } /* Find DAD failed unicast address to be removed */ cnt = 0; read_lock_bh(&inet6->lock); list_for_each_entry(ifa, &inet6->addr_list, if_list) { /* DAD failed unicast address */ if ((ifa->flags & IFA_F_DADFAILED) && (cnt < dhdp->ndo_max_host_ip)) { memcpy(&ipv6_addr[cnt], &ifa->addr, sizeof(struct in6_addr)); cnt++; } } read_unlock_bh(&inet6->lock); /* Remove DAD failed unicast address */ for (i = 0; i < cnt; i++) { DHD_INFO(("%s: Remove DAD failed addr\n", __FUNCTION__)); ret = dhd_ndo_remove_ip_by_addr(dhdp, (char *)&ipv6_addr[i], 0); if (ret < 0) { goto done; } } /* Remove all anycast address */ ret = dhd_ndo_remove_ip_by_type(dhdp, WL_ND_IPV6_ADDR_TYPE_ANYCAST, 0); if (ret < 0) { goto done; } /* * if ND offload was disabled due to host ip overflow, * attempt to add valid unicast address. */ if (dhdp->ndo_host_ip_overflow) { /* Find valid unicast address */ cnt = 0; read_lock_bh(&inet6->lock); list_for_each_entry(ifa, &inet6->addr_list, if_list) { /* valid unicast address */ if (!(ifa->flags & IFA_F_DADFAILED) && (cnt < dhdp->ndo_max_host_ip)) { memcpy(&ipv6_addr[cnt], &ifa->addr, sizeof(struct in6_addr)); cnt++; } } read_unlock_bh(&inet6->lock); /* Add valid unicast address */ for (i = 0; i < cnt; i++) { ret = dhd_ndo_add_ip_with_type(dhdp, (char *)&ipv6_addr[i], WL_ND_IPV6_ADDR_TYPE_UNICAST, 0); if (ret < 0) { goto done; } } } /* Find anycast address */ cnt = 0; read_lock_bh(&inet6->lock); acaddr = inet6->ac_list; while (acaddr) { if (cnt < dhdp->ndo_max_host_ip) { memcpy(&ipv6_addr[cnt], &acaddr->aca_addr, sizeof(struct in6_addr)); cnt++; } acaddr = acaddr->aca_next; } read_unlock_bh(&inet6->lock); /* Add anycast address */ for (i = 0; i < cnt; i++) { ret = dhd_ndo_add_ip_with_type(dhdp, (char *)&ipv6_addr[i], WL_ND_IPV6_ADDR_TYPE_ANYCAST, 0); if (ret < 0) { goto done; } } /* Now All host IP addr were added successfully */ if (dhdp->ndo_host_ip_overflow) { dhdp->ndo_host_ip_overflow = FALSE; if (dhdp->in_suspend) { /* drvier is in (early) suspend state, need to enable ND offload in FW */ DHD_INFO(("%s: enable NDO\n", __FUNCTION__)); ret = dhd_ndo_enable(dhdp, TRUE); } } done: if (ipv6_addr) { MFREE(dhdp->osh, ipv6_addr, sizeof(struct in6_addr) * dhdp->ndo_max_host_ip); } return ret; } #pragma GCC diagnostic pop #endif /* NDO_CONFIG_SUPPORT */ #ifdef PNO_SUPPORT /* Linux wrapper to call common dhd_pno_stop_for_ssid */ int dhd_dev_pno_stop_for_ssid(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return (dhd_pno_stop_for_ssid(&dhd->pub)); } /* Linux wrapper to call common dhd_pno_set_for_ssid */ int dhd_dev_pno_set_for_ssid(struct net_device *dev, wlc_ssid_ext_t* ssids_local, int nssid, uint16 scan_fr, int pno_repeat, int pno_freq_expo_max, uint16 *channel_list, int nchan) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return (dhd_pno_set_for_ssid(&dhd->pub, ssids_local, nssid, scan_fr, pno_repeat, pno_freq_expo_max, channel_list, nchan)); } /* Linux wrapper to call common dhd_pno_enable */ int dhd_dev_pno_enable(struct net_device *dev, int enable) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return (dhd_pno_enable(&dhd->pub, enable)); } /* Linux wrapper to call common dhd_pno_set_for_hotlist */ int dhd_dev_pno_set_for_hotlist(struct net_device *dev, wl_pfn_bssid_t *p_pfn_bssid, struct dhd_pno_hotlist_params *hotlist_params) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return (dhd_pno_set_for_hotlist(&dhd->pub, p_pfn_bssid, hotlist_params)); } /* Linux wrapper to call common dhd_dev_pno_stop_for_batch */ int dhd_dev_pno_stop_for_batch(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return (dhd_pno_stop_for_batch(&dhd->pub)); } /* Linux wrapper to call common dhd_dev_pno_set_for_batch */ int dhd_dev_pno_set_for_batch(struct net_device *dev, struct dhd_pno_batch_params *batch_params) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return (dhd_pno_set_for_batch(&dhd->pub, batch_params)); } /* Linux wrapper to call common dhd_dev_pno_get_for_batch */ int dhd_dev_pno_get_for_batch(struct net_device *dev, char *buf, int bufsize) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return (dhd_pno_get_for_batch(&dhd->pub, buf, bufsize, PNO_STATUS_NORMAL)); } #endif /* PNO_SUPPORT */ #if defined(PNO_SUPPORT) #ifdef GSCAN_SUPPORT bool dhd_dev_is_legacy_pno_enabled(struct net_device *dev) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_is_legacy_pno_enabled(&dhd->pub)); } int dhd_dev_set_epno(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (!dhd) { return BCME_ERROR; } return dhd_pno_set_epno(&dhd->pub); } int dhd_dev_flush_fw_epno(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (!dhd) { return BCME_ERROR; } return dhd_pno_flush_fw_epno(&dhd->pub); } /* Linux wrapper to call common dhd_pno_set_cfg_gscan */ int dhd_dev_pno_set_cfg_gscan(struct net_device *dev, dhd_pno_gscan_cmd_cfg_t type, void *buf, bool flush) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_pno_set_cfg_gscan(&dhd->pub, type, buf, flush)); } /* Linux wrapper to call common dhd_wait_batch_results_complete */ int dhd_dev_wait_batch_results_complete(struct net_device *dev) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_wait_batch_results_complete(&dhd->pub)); } /* Linux wrapper to call common dhd_pno_lock_batch_results */ int dhd_dev_pno_lock_access_batch_results(struct net_device *dev) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_pno_lock_batch_results(&dhd->pub)); } /* Linux wrapper to call common dhd_pno_unlock_batch_results */ void dhd_dev_pno_unlock_access_batch_results(struct net_device *dev) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_pno_unlock_batch_results(&dhd->pub)); } /* Linux wrapper to call common dhd_pno_initiate_gscan_request */ int dhd_dev_pno_run_gscan(struct net_device *dev, bool run, bool flush) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_pno_initiate_gscan_request(&dhd->pub, run, flush)); } /* Linux wrapper to call common dhd_pno_enable_full_scan_result */ int dhd_dev_pno_enable_full_scan_result(struct net_device *dev, bool real_time_flag) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_pno_enable_full_scan_result(&dhd->pub, real_time_flag)); } /* Linux wrapper to call common dhd_handle_hotlist_scan_evt */ void * dhd_dev_hotlist_scan_event(struct net_device *dev, const void *data, int *send_evt_bytes, hotlist_type_t type, u32 *buf_len) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_handle_hotlist_scan_evt(&dhd->pub, data, send_evt_bytes, type, buf_len)); } /* Linux wrapper to call common dhd_process_full_gscan_result */ void * dhd_dev_process_full_gscan_result(struct net_device *dev, const void *data, uint32 len, int *send_evt_bytes) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_process_full_gscan_result(&dhd->pub, data, len, send_evt_bytes)); } void dhd_dev_gscan_hotlist_cache_cleanup(struct net_device *dev, hotlist_type_t type) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); dhd_gscan_hotlist_cache_cleanup(&dhd->pub, type); return; } int dhd_dev_gscan_batch_cache_cleanup(struct net_device *dev) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_gscan_batch_cache_cleanup(&dhd->pub)); } /* Linux wrapper to call common dhd_retreive_batch_scan_results */ int dhd_dev_retrieve_batch_scan(struct net_device *dev) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_retreive_batch_scan_results(&dhd->pub)); } /* Linux wrapper to call common dhd_pno_process_epno_result */ void * dhd_dev_process_epno_result(struct net_device *dev, const void *data, uint32 event, int *send_evt_bytes) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_pno_process_epno_result(&dhd->pub, data, event, send_evt_bytes)); } int dhd_dev_set_lazy_roam_cfg(struct net_device *dev, wlc_roam_exp_params_t *roam_param) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); wl_roam_exp_cfg_t roam_exp_cfg; int err; if (!roam_param) { return BCME_BADARG; } DHD_INFO(("a_band_boost_thr %d a_band_penalty_thr %d\n", roam_param->a_band_boost_threshold, roam_param->a_band_penalty_threshold)); DHD_INFO(("a_band_boost_factor %d a_band_penalty_factor %d cur_bssid_boost %d\n", roam_param->a_band_boost_factor, roam_param->a_band_penalty_factor, roam_param->cur_bssid_boost)); DHD_INFO(("alert_roam_trigger_thr %d a_band_max_boost %d\n", roam_param->alert_roam_trigger_threshold, roam_param->a_band_max_boost)); memcpy(&roam_exp_cfg.params, roam_param, sizeof(*roam_param)); roam_exp_cfg.version = ROAM_EXP_CFG_VERSION; roam_exp_cfg.flags = ROAM_EXP_CFG_PRESENT; if (dhd->pub.lazy_roam_enable) { roam_exp_cfg.flags |= ROAM_EXP_ENABLE_FLAG; } err = dhd_iovar(&dhd->pub, 0, "roam_exp_params", (char *)&roam_exp_cfg, sizeof(roam_exp_cfg), NULL, 0, TRUE); if (err < 0) { DHD_ERROR(("%s : Failed to execute roam_exp_params %d\n", __FUNCTION__, err)); } return err; } int dhd_dev_lazy_roam_enable(struct net_device *dev, uint32 enable) { int err; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); wl_roam_exp_cfg_t roam_exp_cfg; memset(&roam_exp_cfg, 0, sizeof(roam_exp_cfg)); roam_exp_cfg.version = ROAM_EXP_CFG_VERSION; if (enable) { roam_exp_cfg.flags = ROAM_EXP_ENABLE_FLAG; } err = dhd_iovar(&dhd->pub, 0, "roam_exp_params", (char *)&roam_exp_cfg, sizeof(roam_exp_cfg), NULL, 0, TRUE); if (err < 0) { DHD_ERROR(("%s : Failed to execute roam_exp_params %d\n", __FUNCTION__, err)); } else { dhd->pub.lazy_roam_enable = (enable != 0); } return err; } int dhd_dev_set_lazy_roam_bssid_pref(struct net_device *dev, wl_bssid_pref_cfg_t *bssid_pref, uint32 flush) { int err; uint len; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); bssid_pref->version = BSSID_PREF_LIST_VERSION; /* By default programming bssid pref flushes out old values */ bssid_pref->flags = (flush && !bssid_pref->count) ? ROAM_EXP_CLEAR_BSSID_PREF: 0; len = sizeof(wl_bssid_pref_cfg_t); if (bssid_pref->count) { len += (bssid_pref->count - 1) * sizeof(wl_bssid_pref_list_t); } err = dhd_iovar(&dhd->pub, 0, "roam_exp_bssid_pref", (char *)bssid_pref, len, NULL, 0, TRUE); if (err != BCME_OK) { DHD_ERROR(("%s : Failed to execute roam_exp_bssid_pref %d\n", __FUNCTION__, err)); } return err; } #endif /* GSCAN_SUPPORT */ #if defined(GSCAN_SUPPORT) || defined(ROAMEXP_SUPPORT) int dhd_dev_set_blacklist_bssid(struct net_device *dev, maclist_t *blacklist, uint32 len, uint32 flush) { int err; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); int macmode; if (blacklist) { err = dhd_wl_ioctl_cmd(&(dhd->pub), WLC_SET_MACLIST, (char *)blacklist, len, TRUE, 0); if (err != BCME_OK) { DHD_ERROR(("%s : WLC_SET_MACLIST failed %d\n", __FUNCTION__, err)); return err; } } /* By default programming blacklist flushes out old values */ macmode = (flush && !blacklist) ? WLC_MACMODE_DISABLED : WLC_MACMODE_DENY; err = dhd_wl_ioctl_cmd(&(dhd->pub), WLC_SET_MACMODE, (char *)&macmode, sizeof(macmode), TRUE, 0); if (err != BCME_OK) { DHD_ERROR(("%s : WLC_SET_MACMODE failed %d\n", __FUNCTION__, err)); } return err; } int dhd_dev_set_whitelist_ssid(struct net_device *dev, wl_ssid_whitelist_t *ssid_whitelist, uint32 len, uint32 flush) { int err; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); wl_ssid_whitelist_t whitelist_ssid_flush; if (!ssid_whitelist) { if (flush) { ssid_whitelist = &whitelist_ssid_flush; ssid_whitelist->ssid_count = 0; } else { DHD_ERROR(("%s : Nothing to do here\n", __FUNCTION__)); return BCME_BADARG; } } ssid_whitelist->version = SSID_WHITELIST_VERSION; ssid_whitelist->flags = flush ? ROAM_EXP_CLEAR_SSID_WHITELIST : 0; err = dhd_iovar(&dhd->pub, 0, "roam_exp_ssid_whitelist", (char *)ssid_whitelist, len, NULL, 0, TRUE); if (err != BCME_OK) { DHD_ERROR(("%s : Failed to execute roam_exp_bssid_pref %d\n", __FUNCTION__, err)); } return err; } #endif /* GSCAN_SUPPORT || ROAMEXP_SUPPORT */ #if defined(GSCAN_SUPPORT) || defined(DHD_GET_VALID_CHANNELS) /* Linux wrapper to call common dhd_pno_get_gscan */ void * dhd_dev_pno_get_gscan(struct net_device *dev, dhd_pno_gscan_cmd_cfg_t type, void *info, uint32 *len) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_pno_get_gscan(&dhd->pub, type, info, len)); } #endif /* GSCAN_SUPPORT || DHD_GET_VALID_CHANNELS */ #endif // endif #ifdef RSSI_MONITOR_SUPPORT int dhd_dev_set_rssi_monitor_cfg(struct net_device *dev, int start, int8 max_rssi, int8 min_rssi) { int err; wl_rssi_monitor_cfg_t rssi_monitor; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); rssi_monitor.version = RSSI_MONITOR_VERSION; rssi_monitor.max_rssi = max_rssi; rssi_monitor.min_rssi = min_rssi; rssi_monitor.flags = start ? 0: RSSI_MONITOR_STOP; err = dhd_iovar(&dhd->pub, 0, "rssi_monitor", (char *)&rssi_monitor, sizeof(rssi_monitor), NULL, 0, TRUE); if (err < 0 && err != BCME_UNSUPPORTED) { DHD_ERROR(("%s : Failed to execute rssi_monitor %d\n", __FUNCTION__, err)); } return err; } #endif /* RSSI_MONITOR_SUPPORT */ #ifdef DHDTCPACK_SUPPRESS int dhd_dev_set_tcpack_sup_mode_cfg(struct net_device *dev, uint8 enable) { int err; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); err = dhd_tcpack_suppress_set(&dhd->pub, enable); if (err != BCME_OK) { DHD_ERROR(("%s : Failed to set tcpack_suppress mode: %d\n", __FUNCTION__, err)); } return err; } #endif /* DHDTCPACK_SUPPRESS */ int dhd_dev_cfg_rand_mac_oui(struct net_device *dev, uint8 *oui) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); dhd_pub_t *dhdp = &dhd->pub; if (!dhdp || !oui) { DHD_ERROR(("NULL POINTER : %s\n", __FUNCTION__)); return BCME_ERROR; } if (ETHER_ISMULTI(oui)) { DHD_ERROR(("Expected unicast OUI\n")); return BCME_ERROR; } else { uint8 *rand_mac_oui = dhdp->rand_mac_oui; memcpy(rand_mac_oui, oui, DOT11_OUI_LEN); DHD_ERROR(("Random MAC OUI to be used - "MACOUIDBG"\n", MACOUI2STRDBG(rand_mac_oui))); } return BCME_OK; } int dhd_set_rand_mac_oui(dhd_pub_t *dhd) { int err; wl_pfn_macaddr_cfg_t wl_cfg; uint8 *rand_mac_oui = dhd->rand_mac_oui; memset(&wl_cfg.macaddr, 0, ETHER_ADDR_LEN); memcpy(&wl_cfg.macaddr, rand_mac_oui, DOT11_OUI_LEN); wl_cfg.version = WL_PFN_MACADDR_CFG_VER; if (ETHER_ISNULLADDR(&wl_cfg.macaddr)) { wl_cfg.flags = 0; } else { wl_cfg.flags = (WL_PFN_MAC_OUI_ONLY_MASK | WL_PFN_SET_MAC_UNASSOC_MASK); } DHD_ERROR(("Setting rand mac oui to FW - "MACOUIDBG"\n", MACOUI2STRDBG(rand_mac_oui))); err = dhd_iovar(dhd, 0, "pfn_macaddr", (char *)&wl_cfg, sizeof(wl_cfg), NULL, 0, TRUE); if (err < 0) { DHD_ERROR(("%s : failed to execute pfn_macaddr %d\n", __FUNCTION__, err)); } return err; } #if defined(RTT_SUPPORT) && defined(WL_CFG80211) /* Linux wrapper to call common dhd_pno_set_cfg_gscan */ int dhd_dev_rtt_set_cfg(struct net_device *dev, void *buf) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_rtt_set_cfg(&dhd->pub, buf)); } int dhd_dev_rtt_cancel_cfg(struct net_device *dev, struct ether_addr *mac_list, int mac_cnt) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_rtt_stop(&dhd->pub, mac_list, mac_cnt)); } int dhd_dev_rtt_register_noti_callback(struct net_device *dev, void *ctx, dhd_rtt_compl_noti_fn noti_fn) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_rtt_register_noti_callback(&dhd->pub, ctx, noti_fn)); } int dhd_dev_rtt_unregister_noti_callback(struct net_device *dev, dhd_rtt_compl_noti_fn noti_fn) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_rtt_unregister_noti_callback(&dhd->pub, noti_fn)); } int dhd_dev_rtt_capability(struct net_device *dev, rtt_capabilities_t *capa) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_rtt_capability(&dhd->pub, capa)); } int dhd_dev_rtt_avail_channel(struct net_device *dev, wifi_channel_info *channel_info) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_rtt_avail_channel(&dhd->pub, channel_info)); } int dhd_dev_rtt_enable_responder(struct net_device *dev, wifi_channel_info *channel_info) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_rtt_enable_responder(&dhd->pub, channel_info)); } int dhd_dev_rtt_cancel_responder(struct net_device *dev) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); return (dhd_rtt_cancel_responder(&dhd->pub)); } #endif /* RTT_SUPPORT */ #ifdef KEEP_ALIVE #define KA_TEMP_BUF_SIZE 512 #define KA_FRAME_SIZE 300 int dhd_dev_start_mkeep_alive(dhd_pub_t *dhd_pub, uint8 mkeep_alive_id, uint8 *ip_pkt, uint16 ip_pkt_len, uint8* src_mac, uint8* dst_mac, uint32 period_msec) { const int ETHERTYPE_LEN = 2; char *pbuf = NULL; const char *str; wl_mkeep_alive_pkt_t mkeep_alive_pkt; wl_mkeep_alive_pkt_t *mkeep_alive_pktp = NULL; int buf_len = 0; int str_len = 0; int res = BCME_ERROR; int len_bytes = 0; int i = 0; /* ether frame to have both max IP pkt (256 bytes) and ether header */ char *pmac_frame = NULL; char *pmac_frame_begin = NULL; /* * The mkeep_alive packet is for STA interface only; if the bss is configured as AP, * dongle shall reject a mkeep_alive request. */ if (!dhd_support_sta_mode(dhd_pub)) return res; DHD_TRACE(("%s execution\n", __FUNCTION__)); if ((pbuf = MALLOCZ(dhd_pub->osh, KA_TEMP_BUF_SIZE)) == NULL) { DHD_ERROR(("failed to allocate buf with size %d\n", KA_TEMP_BUF_SIZE)); res = BCME_NOMEM; return res; } if ((pmac_frame = MALLOCZ(dhd_pub->osh, KA_FRAME_SIZE)) == NULL) { DHD_ERROR(("failed to allocate mac_frame with size %d\n", KA_FRAME_SIZE)); res = BCME_NOMEM; goto exit; } pmac_frame_begin = pmac_frame; /* * Get current mkeep-alive status. */ res = dhd_iovar(dhd_pub, 0, "mkeep_alive", &mkeep_alive_id, sizeof(mkeep_alive_id), pbuf, KA_TEMP_BUF_SIZE, FALSE); if (res < 0) { DHD_ERROR(("%s: Get mkeep_alive failed (error=%d)\n", __FUNCTION__, res)); goto exit; } else { /* Check available ID whether it is occupied */ mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) pbuf; if (dtoh32(mkeep_alive_pktp->period_msec != 0)) { DHD_ERROR(("%s: Get mkeep_alive failed, ID %u is in use.\n", __FUNCTION__, mkeep_alive_id)); /* Current occupied ID info */ DHD_ERROR(("%s: mkeep_alive\n", __FUNCTION__)); DHD_ERROR((" Id : %d\n" " Period: %d msec\n" " Length: %d\n" " Packet: 0x", mkeep_alive_pktp->keep_alive_id, dtoh32(mkeep_alive_pktp->period_msec), dtoh16(mkeep_alive_pktp->len_bytes))); for (i = 0; i < mkeep_alive_pktp->len_bytes; i++) { DHD_ERROR(("%02x", mkeep_alive_pktp->data[i])); } DHD_ERROR(("\n")); res = BCME_NOTFOUND; goto exit; } } /* Request the specified ID */ memset(&mkeep_alive_pkt, 0, sizeof(wl_mkeep_alive_pkt_t)); memset(pbuf, 0, KA_TEMP_BUF_SIZE); str = "mkeep_alive"; str_len = strlen(str); strncpy(pbuf, str, str_len); pbuf[str_len] = '\0'; mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) (pbuf + str_len + 1); mkeep_alive_pkt.period_msec = htod32(period_msec); buf_len = str_len + 1; mkeep_alive_pkt.version = htod16(WL_MKEEP_ALIVE_VERSION); mkeep_alive_pkt.length = htod16(WL_MKEEP_ALIVE_FIXED_LEN); /* ID assigned */ mkeep_alive_pkt.keep_alive_id = mkeep_alive_id; buf_len += WL_MKEEP_ALIVE_FIXED_LEN; /* * Build up Ethernet Frame */ /* Mapping dest mac addr */ memcpy(pmac_frame, dst_mac, ETHER_ADDR_LEN); pmac_frame += ETHER_ADDR_LEN; /* Mapping src mac addr */ memcpy(pmac_frame, src_mac, ETHER_ADDR_LEN); pmac_frame += ETHER_ADDR_LEN; /* Mapping Ethernet type (ETHERTYPE_IP: 0x0800) */ *(pmac_frame++) = 0x08; *(pmac_frame++) = 0x00; /* Mapping IP pkt */ memcpy(pmac_frame, ip_pkt, ip_pkt_len); pmac_frame += ip_pkt_len; /* * Length of ether frame (assume to be all hexa bytes) * = src mac + dst mac + ether type + ip pkt len */ len_bytes = ETHER_ADDR_LEN*2 + ETHERTYPE_LEN + ip_pkt_len; memcpy(mkeep_alive_pktp->data, pmac_frame_begin, len_bytes); buf_len += len_bytes; mkeep_alive_pkt.len_bytes = htod16(len_bytes); /* * Keep-alive attributes are set in local variable (mkeep_alive_pkt), and * then memcpy'ed into buffer (mkeep_alive_pktp) since there is no * guarantee that the buffer is properly aligned. */ memcpy((char *)mkeep_alive_pktp, &mkeep_alive_pkt, WL_MKEEP_ALIVE_FIXED_LEN); res = dhd_wl_ioctl_cmd(dhd_pub, WLC_SET_VAR, pbuf, buf_len, TRUE, 0); exit: if (pmac_frame_begin) { MFREE(dhd_pub->osh, pmac_frame_begin, KA_FRAME_SIZE); pmac_frame_begin = NULL; } if (pbuf) { MFREE(dhd_pub->osh, pbuf, KA_TEMP_BUF_SIZE); pbuf = NULL; } return res; } int dhd_dev_stop_mkeep_alive(dhd_pub_t *dhd_pub, uint8 mkeep_alive_id) { char *pbuf = NULL; wl_mkeep_alive_pkt_t mkeep_alive_pkt; wl_mkeep_alive_pkt_t *mkeep_alive_pktp = NULL; int res = BCME_ERROR; int i = 0; /* * The mkeep_alive packet is for STA interface only; if the bss is configured as AP, * dongle shall reject a mkeep_alive request. */ if (!dhd_support_sta_mode(dhd_pub)) return res; DHD_TRACE(("%s execution\n", __FUNCTION__)); /* * Get current mkeep-alive status. Skip ID 0 which is being used for NULL pkt. */ if ((pbuf = MALLOC(dhd_pub->osh, KA_TEMP_BUF_SIZE)) == NULL) { DHD_ERROR(("failed to allocate buf with size %d\n", KA_TEMP_BUF_SIZE)); return res; } res = dhd_iovar(dhd_pub, 0, "mkeep_alive", &mkeep_alive_id, sizeof(mkeep_alive_id), pbuf, KA_TEMP_BUF_SIZE, FALSE); if (res < 0) { DHD_ERROR(("%s: Get mkeep_alive failed (error=%d)\n", __FUNCTION__, res)); goto exit; } else { /* Check occupied ID */ mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) pbuf; DHD_INFO(("%s: mkeep_alive\n", __FUNCTION__)); DHD_INFO((" Id : %d\n" " Period: %d msec\n" " Length: %d\n" " Packet: 0x", mkeep_alive_pktp->keep_alive_id, dtoh32(mkeep_alive_pktp->period_msec), dtoh16(mkeep_alive_pktp->len_bytes))); for (i = 0; i < mkeep_alive_pktp->len_bytes; i++) { DHD_INFO(("%02x", mkeep_alive_pktp->data[i])); } DHD_INFO(("\n")); } /* Make it stop if available */ if (dtoh32(mkeep_alive_pktp->period_msec != 0)) { DHD_INFO(("stop mkeep_alive on ID %d\n", mkeep_alive_id)); memset(&mkeep_alive_pkt, 0, sizeof(wl_mkeep_alive_pkt_t)); mkeep_alive_pkt.period_msec = 0; mkeep_alive_pkt.version = htod16(WL_MKEEP_ALIVE_VERSION); mkeep_alive_pkt.length = htod16(WL_MKEEP_ALIVE_FIXED_LEN); mkeep_alive_pkt.keep_alive_id = mkeep_alive_id; res = dhd_iovar(dhd_pub, 0, "mkeep_alive", (char *)&mkeep_alive_pkt, WL_MKEEP_ALIVE_FIXED_LEN, NULL, 0, TRUE); } else { DHD_ERROR(("%s: ID %u does not exist.\n", __FUNCTION__, mkeep_alive_id)); res = BCME_NOTFOUND; } exit: if (pbuf) { MFREE(dhd_pub->osh, pbuf, KA_TEMP_BUF_SIZE); pbuf = NULL; } return res; } #endif /* KEEP_ALIVE */ #if defined(PKT_FILTER_SUPPORT) && defined(APF) static void _dhd_apf_lock_local(dhd_info_t *dhd) { if (dhd) { mutex_lock(&dhd->dhd_apf_mutex); } } static void _dhd_apf_unlock_local(dhd_info_t *dhd) { if (dhd) { mutex_unlock(&dhd->dhd_apf_mutex); } } static int __dhd_apf_add_filter(struct net_device *ndev, uint32 filter_id, u8* program, uint32 program_len) { dhd_info_t *dhd = DHD_DEV_INFO(ndev); dhd_pub_t *dhdp = &dhd->pub; wl_pkt_filter_t * pkt_filterp; wl_apf_program_t *apf_program; char *buf; u32 cmd_len, buf_len; int ifidx, ret; char cmd[] = "pkt_filter_add"; ifidx = dhd_net2idx(dhd, ndev); if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s: bad ifidx\n", __FUNCTION__)); return -ENODEV; } cmd_len = sizeof(cmd); /* Check if the program_len is more than the expected len * and if the program is NULL return from here. */ if ((program_len > WL_APF_PROGRAM_MAX_SIZE) || (program == NULL)) { DHD_ERROR(("%s Invalid program_len: %d, program: %pK\n", __FUNCTION__, program_len, program)); return -EINVAL; } buf_len = cmd_len + WL_PKT_FILTER_FIXED_LEN + WL_APF_PROGRAM_FIXED_LEN + program_len; buf = MALLOCZ(dhdp->osh, buf_len); if (unlikely(!buf)) { DHD_ERROR(("%s: MALLOC failure, %d bytes\n", __FUNCTION__, buf_len)); return -ENOMEM; } memcpy(buf, cmd, cmd_len); pkt_filterp = (wl_pkt_filter_t *) (buf + cmd_len); pkt_filterp->id = htod32(filter_id); pkt_filterp->negate_match = htod32(FALSE); pkt_filterp->type = htod32(WL_PKT_FILTER_TYPE_APF_MATCH); apf_program = &pkt_filterp->u.apf_program; apf_program->version = htod16(WL_APF_INTERNAL_VERSION); apf_program->instr_len = htod16(program_len); memcpy(apf_program->instrs, program, program_len); ret = dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, buf, buf_len, TRUE, ifidx); if (unlikely(ret)) { DHD_ERROR(("%s: failed to add APF filter, id=%d, ret=%d\n", __FUNCTION__, filter_id, ret)); } if (buf) { MFREE(dhdp->osh, buf, buf_len); } return ret; } static int __dhd_apf_config_filter(struct net_device *ndev, uint32 filter_id, uint32 mode, uint32 enable) { dhd_info_t *dhd = DHD_DEV_INFO(ndev); dhd_pub_t *dhdp = &dhd->pub; wl_pkt_filter_enable_t * pkt_filterp; char *buf; u32 cmd_len, buf_len; int ifidx, ret; char cmd[] = "pkt_filter_enable"; ifidx = dhd_net2idx(dhd, ndev); if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s: bad ifidx\n", __FUNCTION__)); return -ENODEV; } cmd_len = sizeof(cmd); buf_len = cmd_len + sizeof(*pkt_filterp); buf = MALLOCZ(dhdp->osh, buf_len); if (unlikely(!buf)) { DHD_ERROR(("%s: MALLOC failure, %d bytes\n", __FUNCTION__, buf_len)); return -ENOMEM; } memcpy(buf, cmd, cmd_len); pkt_filterp = (wl_pkt_filter_enable_t *) (buf + cmd_len); pkt_filterp->id = htod32(filter_id); pkt_filterp->enable = htod32(enable); ret = dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, buf, buf_len, TRUE, ifidx); if (unlikely(ret)) { DHD_ERROR(("%s: failed to enable APF filter, id=%d, ret=%d\n", __FUNCTION__, filter_id, ret)); goto exit; } ret = dhd_wl_ioctl_set_intiovar(dhdp, "pkt_filter_mode", dhd_master_mode, WLC_SET_VAR, TRUE, ifidx); if (unlikely(ret)) { DHD_ERROR(("%s: failed to set APF filter mode, id=%d, ret=%d\n", __FUNCTION__, filter_id, ret)); } exit: if (buf) { MFREE(dhdp->osh, buf, buf_len); } return ret; } static int __dhd_apf_delete_filter(struct net_device *ndev, uint32 filter_id) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(ndev); dhd_pub_t *dhdp = &dhd->pub; int ifidx, ret; ifidx = dhd_net2idx(dhd, ndev); if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s: bad ifidx\n", __FUNCTION__)); return -ENODEV; } ret = dhd_wl_ioctl_set_intiovar(dhdp, "pkt_filter_delete", htod32(filter_id), WLC_SET_VAR, TRUE, ifidx); if (unlikely(ret)) { DHD_ERROR(("%s: failed to delete APF filter, id=%d, ret=%d\n", __FUNCTION__, filter_id, ret)); } return ret; } void dhd_apf_lock(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); _dhd_apf_lock_local(dhd); } void dhd_apf_unlock(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); _dhd_apf_unlock_local(dhd); } int dhd_dev_apf_get_version(struct net_device *ndev, uint32 *version) { dhd_info_t *dhd = DHD_DEV_INFO(ndev); dhd_pub_t *dhdp = &dhd->pub; int ifidx, ret; if (!FW_SUPPORTED(dhdp, apf)) { DHD_ERROR(("%s: firmware doesn't support APF\n", __FUNCTION__)); /* * Notify Android framework that APF is not supported by setting * version as zero. */ *version = 0; return BCME_OK; } ifidx = dhd_net2idx(dhd, ndev); if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s: bad ifidx\n", __FUNCTION__)); return -ENODEV; } ret = dhd_wl_ioctl_get_intiovar(dhdp, "apf_ver", version, WLC_GET_VAR, FALSE, ifidx); if (unlikely(ret)) { DHD_ERROR(("%s: failed to get APF version, ret=%d\n", __FUNCTION__, ret)); } return ret; } int dhd_dev_apf_get_max_len(struct net_device *ndev, uint32 *max_len) { dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(ndev); dhd_pub_t *dhdp = &dhd->pub; int ifidx, ret; if (!FW_SUPPORTED(dhdp, apf)) { DHD_ERROR(("%s: firmware doesn't support APF\n", __FUNCTION__)); *max_len = 0; return BCME_OK; } ifidx = dhd_net2idx(dhd, ndev); if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s bad ifidx\n", __FUNCTION__)); return -ENODEV; } ret = dhd_wl_ioctl_get_intiovar(dhdp, "apf_size_limit", max_len, WLC_GET_VAR, FALSE, ifidx); if (unlikely(ret)) { DHD_ERROR(("%s: failed to get APF size limit, ret=%d\n", __FUNCTION__, ret)); } return ret; } int dhd_dev_apf_add_filter(struct net_device *ndev, u8* program, uint32 program_len) { dhd_info_t *dhd = DHD_DEV_INFO(ndev); dhd_pub_t *dhdp = &dhd->pub; int ret; DHD_APF_LOCK(ndev); /* delete, if filter already exists */ if (dhdp->apf_set) { ret = __dhd_apf_delete_filter(ndev, PKT_FILTER_APF_ID); if (unlikely(ret)) { goto exit; } dhdp->apf_set = FALSE; } ret = __dhd_apf_add_filter(ndev, PKT_FILTER_APF_ID, program, program_len); if (ret) { goto exit; } dhdp->apf_set = TRUE; if (dhdp->in_suspend && dhdp->apf_set && !(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { /* Driver is still in (early) suspend state, enable APF filter back */ ret = __dhd_apf_config_filter(ndev, PKT_FILTER_APF_ID, PKT_FILTER_MODE_FORWARD_ON_MATCH, TRUE); } exit: DHD_APF_UNLOCK(ndev); return ret; } int dhd_dev_apf_enable_filter(struct net_device *ndev) { dhd_info_t *dhd = DHD_DEV_INFO(ndev); dhd_pub_t *dhdp = &dhd->pub; int ret = 0; bool nan_dp_active = false; DHD_APF_LOCK(ndev); #ifdef WL_NAN nan_dp_active = wl_cfgnan_is_dp_active(ndev); #endif /* WL_NAN */ if (dhdp->apf_set && (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE) && !nan_dp_active)) { ret = __dhd_apf_config_filter(ndev, PKT_FILTER_APF_ID, PKT_FILTER_MODE_FORWARD_ON_MATCH, TRUE); } DHD_APF_UNLOCK(ndev); return ret; } int dhd_dev_apf_disable_filter(struct net_device *ndev) { dhd_info_t *dhd = DHD_DEV_INFO(ndev); dhd_pub_t *dhdp = &dhd->pub; int ret = 0; DHD_APF_LOCK(ndev); if (dhdp->apf_set) { ret = __dhd_apf_config_filter(ndev, PKT_FILTER_APF_ID, PKT_FILTER_MODE_FORWARD_ON_MATCH, FALSE); } DHD_APF_UNLOCK(ndev); return ret; } int dhd_dev_apf_delete_filter(struct net_device *ndev) { dhd_info_t *dhd = DHD_DEV_INFO(ndev); dhd_pub_t *dhdp = &dhd->pub; int ret = 0; DHD_APF_LOCK(ndev); if (dhdp->apf_set) { ret = __dhd_apf_delete_filter(ndev, PKT_FILTER_APF_ID); if (!ret) { dhdp->apf_set = FALSE; } } DHD_APF_UNLOCK(ndev); return ret; } #endif /* PKT_FILTER_SUPPORT && APF */ static void dhd_hang_process(struct work_struct *work_data) { struct net_device *dev; #ifdef IFACE_HANG_FORCE_DEV_CLOSE struct net_device *ndev; uint8 i = 0; #endif /* IFACE_HANG_FORCE_DEV_CLOSE */ /* Ignore compiler warnings due to -Werror=cast-qual */ #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif struct dhd_info *dhd = container_of(work_data, dhd_info_t, dhd_hang_process_work); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif if (!dhd || !dhd->iflist[0]) return; dev = dhd->iflist[0]->net; if (dev) { #if defined(WL_WIRELESS_EXT) wl_iw_send_priv_event(dev, "HANG"); #endif // endif #if defined(WL_CFG80211) wl_cfg80211_hang(dev, WLAN_REASON_UNSPECIFIED); #endif // endif } #ifdef IFACE_HANG_FORCE_DEV_CLOSE /* * For HW2, dev_close need to be done to recover * from upper layer after hang. For Interposer skip * dev_close so that dhd iovars can be used to take * socramdump after crash, also skip for HW4 as * handling of hang event is different */ rtnl_lock(); for (i = 0; i < DHD_MAX_IFS; i++) { ndev = dhd->iflist[i] ? dhd->iflist[i]->net : NULL; if (ndev && (ndev->flags & IFF_UP)) { DHD_ERROR(("ndev->name : %s dev close\n", ndev->name)); dev_close(ndev); } } rtnl_unlock(); #endif /* IFACE_HANG_FORCE_DEV_CLOSE */ } #ifdef EXYNOS_PCIE_LINKDOWN_RECOVERY extern dhd_pub_t *link_recovery; void dhd_host_recover_link(void) { DHD_ERROR(("****** %s ******\n", __FUNCTION__)); link_recovery->hang_reason = HANG_REASON_PCIE_LINK_DOWN_RC_DETECT; dhd_bus_set_linkdown(link_recovery, TRUE); dhd_os_send_hang_message(link_recovery); } EXPORT_SYMBOL(dhd_host_recover_link); #endif /* EXYNOS_PCIE_LINKDOWN_RECOVERY */ int dhd_os_send_hang_message(dhd_pub_t *dhdp) { int ret = 0; #ifdef WL_CFG80211 struct net_device *primary_ndev; struct bcm_cfg80211 *cfg; #ifdef DHD_FILE_DUMP_EVENT dhd_info_t *dhd_info = NULL; #endif /* DHD_FILE_DUMP_EVENT */ #endif /* WL_CFG80211 */ if (!dhdp) { DHD_ERROR(("%s: dhdp is null\n", __FUNCTION__)); return -EINVAL; } #if defined(WL_CFG80211) && defined(DHD_FILE_DUMP_EVENT) dhd_info = (dhd_info_t *)dhdp->info; if (dhd_info->scheduled_memdump) { DHD_ERROR_RLMT(("[DUMP]:%s, memdump in progress. return\n", __FUNCTION__)); dhdp->hang_was_pending = 1; return BCME_OK; } #endif /* WL_CFG80211 && DHD_FILE_DUMP_EVENT */ #ifdef WL_CFG80211 primary_ndev = dhd_linux_get_primary_netdev(dhdp); if (!primary_ndev) { DHD_ERROR(("%s: Cannot find primary netdev\n", __FUNCTION__)); return -ENODEV; } cfg = wl_get_cfg(primary_ndev); if (!cfg) { DHD_ERROR(("%s: Cannot find cfg\n", __FUNCTION__)); return -EINVAL; } /* Skip sending HANG event to framework if driver is not ready */ if (!wl_get_drv_status(cfg, READY, primary_ndev)) { DHD_ERROR(("%s: device is not ready\n", __FUNCTION__)); return -ENODEV; } #endif /* WL_CFG80211 */ if (!dhdp->hang_was_sent) { #if defined(CONFIG_BCM_DETECT_CONSECUTIVE_HANG) dhdp->hang_counts++; if (dhdp->hang_counts >= MAX_CONSECUTIVE_HANG_COUNTS) { DHD_ERROR(("%s, Consecutive hang from Dongle :%u\n", __func__, dhdp->hang_counts)); BUG_ON(1); } #endif /* CONFIG_BCM_DETECT_CONSECUTIVE_HANG */ #ifdef DHD_DEBUG_UART /* If PCIe lane has broken, execute the debug uart application * to gether a ramdump data from dongle via uart */ if (!dhdp->info->duart_execute) { dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, (void *)dhdp, DHD_WQ_WORK_DEBUG_UART_DUMP, dhd_debug_uart_exec_rd, DHD_WQ_WORK_PRIORITY_HIGH); } #endif /* DHD_DEBUG_UART */ dhdp->hang_was_sent = 1; #ifdef BT_OVER_SDIO dhdp->is_bt_recovery_required = TRUE; #endif // endif schedule_work(&dhdp->info->dhd_hang_process_work); DHD_ERROR(("%s: Event HANG send up due to re=%d te=%d s=%d\n", __FUNCTION__, dhdp->rxcnt_timeout, dhdp->txcnt_timeout, dhdp->busstate)); } return ret; } int net_os_send_hang_message(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ret = 0; if (dhd) { /* Report FW problem when enabled */ if (dhd->pub.hang_report) { #ifdef BT_OVER_SDIO if (netif_running(dev)) { #endif /* BT_OVER_SDIO */ ret = dhd_os_send_hang_message(&dhd->pub); #ifdef BT_OVER_SDIO } DHD_ERROR(("%s: HANG -> Reset BT\n", __FUNCTION__)); bcmsdh_btsdio_process_dhd_hang_notification(!netif_running(dev)); #endif /* BT_OVER_SDIO */ } else { DHD_ERROR(("%s: FW HANG ignored (for testing purpose) and not sent up\n", __FUNCTION__)); } } return ret; } int net_os_send_hang_message_reason(struct net_device *dev, const char *string_num) { dhd_info_t *dhd = NULL; dhd_pub_t *dhdp = NULL; int reason; dhd = DHD_DEV_INFO(dev); if (dhd) { dhdp = &dhd->pub; } if (!dhd || !dhdp) { return 0; } reason = bcm_strtoul(string_num, NULL, 0); DHD_INFO(("%s: Enter, reason=0x%x\n", __FUNCTION__, reason)); if ((reason <= HANG_REASON_MASK) || (reason >= HANG_REASON_MAX)) { reason = 0; } dhdp->hang_reason = reason; return net_os_send_hang_message(dev); } int dhd_net_wifi_platform_set_power(struct net_device *dev, bool on, unsigned long delay_msec) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return wifi_platform_set_power(dhd->adapter, on, delay_msec); } bool dhd_force_country_change(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (dhd && dhd->pub.up) return dhd->pub.force_country_change; return FALSE; } void dhd_get_customized_country_code(struct net_device *dev, char *country_iso_code, wl_country_t *cspec) { dhd_info_t *dhd = DHD_DEV_INFO(dev); #if defined(DHD_BLOB_EXISTENCE_CHECK) if (!dhd->pub.is_blob) #endif /* DHD_BLOB_EXISTENCE_CHECK */ { #if defined(CUSTOM_COUNTRY_CODE) get_customized_country_code(dhd->adapter, country_iso_code, cspec, dhd->pub.dhd_cflags); #else get_customized_country_code(dhd->adapter, country_iso_code, cspec); #endif /* CUSTOM_COUNTRY_CODE */ } #if defined(DHD_BLOB_EXISTENCE_CHECK) && !defined(CUSTOM_COUNTRY_CODE) else { /* Replace the ccode to XZ if ccode is undefined country */ if (strncmp(country_iso_code, "", WLC_CNTRY_BUF_SZ) == 0) { strlcpy(country_iso_code, "XZ", WLC_CNTRY_BUF_SZ); strlcpy(cspec->country_abbrev, country_iso_code, WLC_CNTRY_BUF_SZ); strlcpy(cspec->ccode, country_iso_code, WLC_CNTRY_BUF_SZ); DHD_ERROR(("%s: ccode change to %s\n", __FUNCTION__, country_iso_code)); } } #endif /* DHD_BLOB_EXISTENCE_CHECK && !CUSTOM_COUNTRY_CODE */ BCM_REFERENCE(dhd); } void dhd_bus_country_set(struct net_device *dev, wl_country_t *cspec, bool notify) { dhd_info_t *dhd = DHD_DEV_INFO(dev); #ifdef WL_CFG80211 struct bcm_cfg80211 *cfg = wl_get_cfg(dev); #endif // endif if (dhd && dhd->pub.up) { memcpy(&dhd->pub.dhd_cspec, cspec, sizeof(wl_country_t)); #ifdef WL_CFG80211 wl_update_wiphybands(cfg, notify); #endif // endif } } void dhd_bus_band_set(struct net_device *dev, uint band) { dhd_info_t *dhd = DHD_DEV_INFO(dev); #ifdef WL_CFG80211 struct bcm_cfg80211 *cfg = wl_get_cfg(dev); #endif // endif if (dhd && dhd->pub.up) { #ifdef WL_CFG80211 wl_update_wiphybands(cfg, true); #endif // endif } } int dhd_net_set_fw_path(struct net_device *dev, char *fw) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (!fw || fw[0] == '\0') return -EINVAL; strncpy(dhd->fw_path, fw, sizeof(dhd->fw_path) - 1); dhd->fw_path[sizeof(dhd->fw_path)-1] = '\0'; #if defined(SOFTAP) if (strstr(fw, "apsta") != NULL) { DHD_INFO(("GOT APSTA FIRMWARE\n")); ap_fw_loaded = TRUE; } else { DHD_INFO(("GOT STA FIRMWARE\n")); ap_fw_loaded = FALSE; } #endif // endif return 0; } void dhd_net_if_lock(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); dhd_net_if_lock_local(dhd); } void dhd_net_if_unlock(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); dhd_net_if_unlock_local(dhd); } static void dhd_net_if_lock_local(dhd_info_t *dhd) { if (dhd) mutex_lock(&dhd->dhd_net_if_mutex); } static void dhd_net_if_unlock_local(dhd_info_t *dhd) { if (dhd) mutex_unlock(&dhd->dhd_net_if_mutex); } static void dhd_suspend_lock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) mutex_lock(&dhd->dhd_suspend_mutex); } static void dhd_suspend_unlock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) mutex_unlock(&dhd->dhd_suspend_mutex); } unsigned long dhd_os_general_spin_lock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags = 0; if (dhd) spin_lock_irqsave(&dhd->dhd_lock, flags); return flags; } void dhd_os_general_spin_unlock(dhd_pub_t *pub, unsigned long flags) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) spin_unlock_irqrestore(&dhd->dhd_lock, flags); } /* Linux specific multipurpose spinlock API */ void * dhd_os_spin_lock_init(osl_t *osh) { /* Adding 4 bytes since the sizeof(spinlock_t) could be 0 */ /* if CONFIG_SMP and CONFIG_DEBUG_SPINLOCK are not defined */ /* and this results in kernel asserts in internal builds */ spinlock_t * lock = MALLOC(osh, sizeof(spinlock_t) + 4); if (lock) spin_lock_init(lock); return ((void *)lock); } void dhd_os_spin_lock_deinit(osl_t *osh, void *lock) { if (lock) MFREE(osh, lock, sizeof(spinlock_t) + 4); } unsigned long dhd_os_spin_lock(void *lock) { unsigned long flags = 0; if (lock) spin_lock_irqsave((spinlock_t *)lock, flags); return flags; } void dhd_os_spin_unlock(void *lock, unsigned long flags) { if (lock) spin_unlock_irqrestore((spinlock_t *)lock, flags); } void * dhd_os_dbgring_lock_init(osl_t *osh) { struct mutex *mtx = NULL; mtx = MALLOCZ(osh, sizeof(*mtx)); if (mtx) mutex_init(mtx); return mtx; } void dhd_os_dbgring_lock_deinit(osl_t *osh, void *mtx) { if (mtx) { mutex_destroy(mtx); MFREE(osh, mtx, sizeof(struct mutex)); } } static int dhd_get_pend_8021x_cnt(dhd_info_t *dhd) { return (atomic_read(&dhd->pend_8021x_cnt)); } #define MAX_WAIT_FOR_8021X_TX 100 int dhd_wait_pend8021x(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int timeout = msecs_to_jiffies(10); int ntimes = MAX_WAIT_FOR_8021X_TX; int pend = dhd_get_pend_8021x_cnt(dhd); while (ntimes && pend) { if (pend) { set_current_state(TASK_INTERRUPTIBLE); DHD_PERIM_UNLOCK(&dhd->pub); schedule_timeout(timeout); DHD_PERIM_LOCK(&dhd->pub); set_current_state(TASK_RUNNING); ntimes--; } pend = dhd_get_pend_8021x_cnt(dhd); } if (ntimes == 0) { atomic_set(&dhd->pend_8021x_cnt, 0); WL_MSG(dev->name, "TIMEOUT\n"); } return pend; } #if defined(DHD_DEBUG) int write_file(const char * file_name, uint32 flags, uint8 *buf, int size) { int ret = 0; struct file *fp = NULL; mm_segment_t old_fs; loff_t pos = 0; /* change to KERNEL_DS address limit */ old_fs = get_fs(); set_fs(KERNEL_DS); /* open file to write */ fp = filp_open(file_name, flags, 0664); if (IS_ERR(fp)) { DHD_ERROR(("open file error, err = %ld\n", PTR_ERR(fp))); goto exit; } /* Write buf to file */ ret = compat_vfs_write(fp, buf, size, &pos); if (ret < 0) { DHD_ERROR(("write file error, err = %d\n", ret)); goto exit; } /* Sync file from filesystem to physical media */ ret = vfs_fsync(fp, 0); if (ret < 0) { DHD_ERROR(("sync file error, error = %d\n", ret)); goto exit; } ret = BCME_OK; exit: /* close file before return */ if (!IS_ERR(fp)) filp_close(fp, current->files); /* restore previous address limit */ set_fs(old_fs); return ret; } #endif // endif #ifdef DHD_DEBUG static void dhd_convert_memdump_type_to_str(uint32 type, char *buf, int substr_type) { char *type_str = NULL; switch (type) { case DUMP_TYPE_RESUMED_ON_TIMEOUT: type_str = "resumed_on_timeout"; break; case DUMP_TYPE_D3_ACK_TIMEOUT: type_str = "D3_ACK_timeout"; break; case DUMP_TYPE_DONGLE_TRAP: type_str = "Dongle_Trap"; break; case DUMP_TYPE_MEMORY_CORRUPTION: type_str = "Memory_Corruption"; break; case DUMP_TYPE_PKTID_AUDIT_FAILURE: type_str = "PKTID_AUDIT_Fail"; break; case DUMP_TYPE_PKTID_INVALID: type_str = "PKTID_INVALID"; break; case DUMP_TYPE_SCAN_TIMEOUT: type_str = "SCAN_timeout"; break; case DUMP_TYPE_SCAN_BUSY: type_str = "SCAN_Busy"; break; case DUMP_TYPE_BY_SYSDUMP: if (substr_type == CMD_UNWANTED) { type_str = "BY_SYSDUMP_FORUSER_unwanted"; } else if (substr_type == CMD_DISCONNECTED) { type_str = "BY_SYSDUMP_FORUSER_disconnected"; } else { type_str = "BY_SYSDUMP_FORUSER"; } break; case DUMP_TYPE_BY_LIVELOCK: type_str = "BY_LIVELOCK"; break; case DUMP_TYPE_AP_LINKUP_FAILURE: type_str = "BY_AP_LINK_FAILURE"; break; case DUMP_TYPE_AP_ABNORMAL_ACCESS: type_str = "INVALID_ACCESS"; break; case DUMP_TYPE_RESUMED_ON_TIMEOUT_RX: type_str = "ERROR_RX_TIMED_OUT"; break; case DUMP_TYPE_RESUMED_ON_TIMEOUT_TX: type_str = "ERROR_TX_TIMED_OUT"; break; case DUMP_TYPE_CFG_VENDOR_TRIGGERED: type_str = "CFG_VENDOR_TRIGGERED"; break; case DUMP_TYPE_RESUMED_ON_INVALID_RING_RDWR: type_str = "BY_INVALID_RING_RDWR"; break; case DUMP_TYPE_IFACE_OP_FAILURE: type_str = "BY_IFACE_OP_FAILURE"; break; case DUMP_TYPE_TRANS_ID_MISMATCH: type_str = "BY_TRANS_ID_MISMATCH"; break; #ifdef DEBUG_DNGL_INIT_FAIL case DUMP_TYPE_DONGLE_INIT_FAILURE: type_str = "DONGLE_INIT_FAIL"; break; #endif /* DEBUG_DNGL_INIT_FAIL */ case DUMP_TYPE_DONGLE_HOST_EVENT: type_str = "BY_DONGLE_HOST_EVENT"; break; case DUMP_TYPE_SMMU_FAULT: type_str = "SMMU_FAULT"; break; case DUMP_TYPE_BY_USER: type_str = "BY_USER"; break; #ifdef DHD_ERPOM case DUMP_TYPE_DUE_TO_BT: type_str = "DUE_TO_BT"; break; #endif /* DHD_ERPOM */ case DUMP_TYPE_LOGSET_BEYOND_RANGE: type_str = "LOGSET_BEYOND_RANGE"; break; case DUMP_TYPE_CTO_RECOVERY: type_str = "CTO_RECOVERY"; break; case DUMP_TYPE_SEQUENTIAL_PRIVCMD_ERROR: type_str = "SEQUENTIAL_PRIVCMD_ERROR"; break; case DUMP_TYPE_PROXD_TIMEOUT: type_str = "PROXD_TIMEOUT"; break; case DUMP_TYPE_PKTID_POOL_DEPLETED: type_str = "PKTID_POOL_DEPLETED"; break; default: type_str = "Unknown_type"; break; } strncpy(buf, type_str, strlen(type_str)); buf[strlen(type_str)] = 0; } void dhd_get_memdump_filename(struct net_device *ndev, char *memdump_path, int len, char *fname) { char memdump_type[32]; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(ndev); dhd_pub_t *dhdp = &dhd->pub; /* Init file name */ memset(memdump_path, 0, len); memset(memdump_type, 0, sizeof(memdump_type)); dhd_convert_memdump_type_to_str(dhdp->memdump_type, memdump_type, dhdp->debug_dump_subcmd); clear_debug_dump_time(dhdp->debug_dump_time_str); get_debug_dump_time(dhdp->debug_dump_time_str); snprintf(memdump_path, len, "%s%s_%s_" "%s", DHD_COMMON_DUMP_PATH, fname, memdump_type, dhdp->debug_dump_time_str); if (strstr(fname, "sssr_dump")) { DHD_SSSR_PRINT_FILEPATH(dhdp, memdump_path); } else { DHD_ERROR(("%s: file_path = %s%s\n", __FUNCTION__, memdump_path, FILE_NAME_HAL_TAG)); } } int write_dump_to_file(dhd_pub_t *dhd, uint8 *buf, int size, char *fname) { int ret = 0; char memdump_path[128]; char memdump_type[32]; uint32 file_mode; /* Init file name */ memset(memdump_path, 0, sizeof(memdump_path)); memset(memdump_type, 0, sizeof(memdump_type)); dhd_convert_memdump_type_to_str(dhd->memdump_type, memdump_type, dhd->debug_dump_subcmd); clear_debug_dump_time(dhd->debug_dump_time_str); get_debug_dump_time(dhd->debug_dump_time_str); snprintf(memdump_path, sizeof(memdump_path), "%s%s_%s_" "%s", DHD_COMMON_DUMP_PATH, fname, memdump_type, dhd->debug_dump_time_str); file_mode = O_CREAT | O_WRONLY | O_SYNC; /* print SOCRAM dump file path */ DHD_ERROR(("%s: file_path = %s\n", __FUNCTION__, memdump_path)); #ifdef DHD_LOG_DUMP dhd_print_buf_addr(dhd, "write_dump_to_file", buf, size); #endif /* DHD_LOG_DUMP */ /* Write file */ ret = write_file(memdump_path, file_mode, buf, size); #ifdef DHD_DUMP_MNGR if (ret == BCME_OK) { dhd_dump_file_manage_enqueue(dhd, memdump_path, fname); } #endif /* DHD_DUMP_MNGR */ return ret; } #endif /* DHD_DEBUG */ int dhd_os_wake_lock_timeout(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; int ret = 0; if (dhd && (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); ret = dhd->wakelock_rx_timeout_enable > dhd->wakelock_ctrl_timeout_enable ? dhd->wakelock_rx_timeout_enable : dhd->wakelock_ctrl_timeout_enable; #ifdef CONFIG_HAS_WAKELOCK if (dhd->wakelock_rx_timeout_enable) wake_lock_timeout(&dhd->wl_rxwake, msecs_to_jiffies(dhd->wakelock_rx_timeout_enable)); if (dhd->wakelock_ctrl_timeout_enable) wake_lock_timeout(&dhd->wl_ctrlwake, msecs_to_jiffies(dhd->wakelock_ctrl_timeout_enable)); #endif // endif dhd->wakelock_rx_timeout_enable = 0; dhd->wakelock_ctrl_timeout_enable = 0; spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return ret; } int net_os_wake_lock_timeout(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ret = 0; if (dhd) ret = dhd_os_wake_lock_timeout(&dhd->pub); return ret; } int dhd_os_wake_lock_rx_timeout_enable(dhd_pub_t *pub, int val) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; if (dhd && (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); if (val > dhd->wakelock_rx_timeout_enable) dhd->wakelock_rx_timeout_enable = val; spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return 0; } int dhd_os_wake_lock_ctrl_timeout_enable(dhd_pub_t *pub, int val) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; if (dhd && (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); if (val > dhd->wakelock_ctrl_timeout_enable) dhd->wakelock_ctrl_timeout_enable = val; spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return 0; } int dhd_os_wake_lock_ctrl_timeout_cancel(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; if (dhd && (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); dhd->wakelock_ctrl_timeout_enable = 0; #ifdef CONFIG_HAS_WAKELOCK if (wake_lock_active(&dhd->wl_ctrlwake)) wake_unlock(&dhd->wl_ctrlwake); #endif // endif spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return 0; } int net_os_wake_lock_rx_timeout_enable(struct net_device *dev, int val) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ret = 0; if (dhd) ret = dhd_os_wake_lock_rx_timeout_enable(&dhd->pub, val); return ret; } int net_os_wake_lock_ctrl_timeout_enable(struct net_device *dev, int val) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ret = 0; if (dhd) ret = dhd_os_wake_lock_ctrl_timeout_enable(&dhd->pub, val); return ret; } #if defined(DHD_TRACE_WAKE_LOCK) #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) #include #else #include #endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) /* Define 2^5 = 32 bucket size hash table */ DEFINE_HASHTABLE(wklock_history, 5); #else /* Define 2^5 = 32 bucket size hash table */ struct hlist_head wklock_history[32] = { [0 ... 31] = HLIST_HEAD_INIT }; #endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ atomic_t trace_wklock_onoff; typedef enum dhd_wklock_type { DHD_WAKE_LOCK, DHD_WAKE_UNLOCK, DHD_WAIVE_LOCK, DHD_RESTORE_LOCK } dhd_wklock_t; struct wk_trace_record { unsigned long addr; /* Address of the instruction */ dhd_wklock_t lock_type; /* lock_type */ unsigned long long counter; /* counter information */ struct hlist_node wklock_node; /* hash node */ }; static struct wk_trace_record *find_wklock_entry(unsigned long addr) { struct wk_trace_record *wklock_info; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) hash_for_each_possible(wklock_history, wklock_info, wklock_node, addr) #else struct hlist_node *entry; int index = hash_long(addr, ilog2(ARRAY_SIZE(wklock_history))); hlist_for_each_entry(wklock_info, entry, &wklock_history[index], wklock_node) #endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ { if (wklock_info->addr == addr) { return wklock_info; } } return NULL; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) #define HASH_ADD(hashtable, node, key) \ do { \ hash_add(hashtable, node, key); \ } while (0); #else #define HASH_ADD(hashtable, node, key) \ do { \ int index = hash_long(key, ilog2(ARRAY_SIZE(hashtable))); \ hlist_add_head(node, &hashtable[index]); \ } while (0); #endif /* KERNEL_VER < KERNEL_VERSION(3, 7, 0) */ #define STORE_WKLOCK_RECORD(wklock_type) \ do { \ struct wk_trace_record *wklock_info = NULL; \ unsigned long func_addr = (unsigned long)__builtin_return_address(0); \ wklock_info = find_wklock_entry(func_addr); \ if (wklock_info) { \ if (wklock_type == DHD_WAIVE_LOCK || wklock_type == DHD_RESTORE_LOCK) { \ wklock_info->counter = dhd->wakelock_counter; \ } else { \ wklock_info->counter++; \ } \ } else { \ wklock_info = kzalloc(sizeof(*wklock_info), GFP_ATOMIC); \ if (!wklock_info) {\ printk("Can't allocate wk_trace_record \n"); \ } else { \ wklock_info->addr = func_addr; \ wklock_info->lock_type = wklock_type; \ if (wklock_type == DHD_WAIVE_LOCK || \ wklock_type == DHD_RESTORE_LOCK) { \ wklock_info->counter = dhd->wakelock_counter; \ } else { \ wklock_info->counter++; \ } \ HASH_ADD(wklock_history, &wklock_info->wklock_node, func_addr); \ } \ } \ } while (0); static inline void dhd_wk_lock_rec_dump(void) { int bkt; struct wk_trace_record *wklock_info; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) hash_for_each(wklock_history, bkt, wklock_info, wklock_node) #else struct hlist_node *entry = NULL; int max_index = ARRAY_SIZE(wklock_history); for (bkt = 0; bkt < max_index; bkt++) hlist_for_each_entry(wklock_info, entry, &wklock_history[bkt], wklock_node) #endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ { switch (wklock_info->lock_type) { case DHD_WAKE_LOCK: printk("wakelock lock : %pS lock_counter : %llu \n", (void *)wklock_info->addr, wklock_info->counter); break; case DHD_WAKE_UNLOCK: printk("wakelock unlock : %pS, unlock_counter : %llu \n", (void *)wklock_info->addr, wklock_info->counter); break; case DHD_WAIVE_LOCK: printk("wakelock waive : %pS before_waive : %llu \n", (void *)wklock_info->addr, wklock_info->counter); break; case DHD_RESTORE_LOCK: printk("wakelock restore : %pS, after_waive : %llu \n", (void *)wklock_info->addr, wklock_info->counter); break; } } } static void dhd_wk_lock_trace_init(struct dhd_info *dhd) { unsigned long flags; #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0)) int i; #endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ spin_lock_irqsave(&dhd->wakelock_spinlock, flags); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) hash_init(wklock_history); #else for (i = 0; i < ARRAY_SIZE(wklock_history); i++) INIT_HLIST_HEAD(&wklock_history[i]); #endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); atomic_set(&trace_wklock_onoff, 1); } static void dhd_wk_lock_trace_deinit(struct dhd_info *dhd) { int bkt; struct wk_trace_record *wklock_info; struct hlist_node *tmp; unsigned long flags; #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0)) struct hlist_node *entry = NULL; int max_index = ARRAY_SIZE(wklock_history); #endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0) */ spin_lock_irqsave(&dhd->wakelock_spinlock, flags); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) hash_for_each_safe(wklock_history, bkt, tmp, wklock_info, wklock_node) #else for (bkt = 0; bkt < max_index; bkt++) hlist_for_each_entry_safe(wklock_info, entry, tmp, &wklock_history[bkt], wklock_node) #endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0)) */ { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) hash_del(&wklock_info->wklock_node); #else hlist_del_init(&wklock_info->wklock_node); #endif /* KERNEL_VER >= KERNEL_VERSION(3, 7, 0)) */ kfree(wklock_info); } spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } void dhd_wk_lock_stats_dump(dhd_pub_t *dhdp) { dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); unsigned long flags; printk(KERN_ERR"DHD Printing wl_wake Lock/Unlock Record \r\n"); spin_lock_irqsave(&dhd->wakelock_spinlock, flags); dhd_wk_lock_rec_dump(); spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } #else #define STORE_WKLOCK_RECORD(wklock_type) #endif /* ! DHD_TRACE_WAKE_LOCK */ int dhd_os_wake_lock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; int ret = 0; if (dhd && (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); if (dhd->wakelock_counter == 0 && !dhd->waive_wakelock) { #ifdef CONFIG_HAS_WAKELOCK wake_lock(&dhd->wl_wifi); #elif defined(BCMSDIO) dhd_bus_dev_pm_stay_awake(pub); #endif // endif } #ifdef DHD_TRACE_WAKE_LOCK if (atomic_read(&trace_wklock_onoff)) { STORE_WKLOCK_RECORD(DHD_WAKE_LOCK); } #endif /* DHD_TRACE_WAKE_LOCK */ dhd->wakelock_counter++; ret = dhd->wakelock_counter; spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return ret; } void dhd_event_wake_lock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { #ifdef CONFIG_HAS_WAKELOCK wake_lock(&dhd->wl_evtwake); #elif defined(BCMSDIO) dhd_bus_dev_pm_stay_awake(pub); #endif // endif } } void dhd_pm_wake_lock_timeout(dhd_pub_t *pub, int val) { #ifdef CONFIG_HAS_WAKELOCK dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { wake_lock_timeout(&dhd->wl_pmwake, msecs_to_jiffies(val)); } #endif /* CONFIG_HAS_WAKE_LOCK */ } void dhd_txfl_wake_lock_timeout(dhd_pub_t *pub, int val) { #ifdef CONFIG_HAS_WAKELOCK dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { wake_lock_timeout(&dhd->wl_txflwake, msecs_to_jiffies(val)); } #endif /* CONFIG_HAS_WAKE_LOCK */ } int net_os_wake_lock(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ret = 0; if (dhd) ret = dhd_os_wake_lock(&dhd->pub); return ret; } int dhd_os_wake_unlock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; int ret = 0; dhd_os_wake_lock_timeout(pub); if (dhd && (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); if (dhd->wakelock_counter > 0) { dhd->wakelock_counter--; #ifdef DHD_TRACE_WAKE_LOCK if (atomic_read(&trace_wklock_onoff)) { STORE_WKLOCK_RECORD(DHD_WAKE_UNLOCK); } #endif /* DHD_TRACE_WAKE_LOCK */ if (dhd->wakelock_counter == 0 && !dhd->waive_wakelock) { #ifdef CONFIG_HAS_WAKELOCK wake_unlock(&dhd->wl_wifi); #elif defined(BCMSDIO) dhd_bus_dev_pm_relax(pub); #endif // endif } ret = dhd->wakelock_counter; } spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return ret; } void dhd_event_wake_unlock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { #ifdef CONFIG_HAS_WAKELOCK wake_unlock(&dhd->wl_evtwake); #elif defined(BCMSDIO) dhd_bus_dev_pm_relax(pub); #endif // endif } } void dhd_pm_wake_unlock(dhd_pub_t *pub) { #ifdef CONFIG_HAS_WAKELOCK dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { /* if wl_pmwake is active, unlock it */ if (wake_lock_active(&dhd->wl_pmwake)) { wake_unlock(&dhd->wl_pmwake); } } #endif /* CONFIG_HAS_WAKELOCK */ } void dhd_txfl_wake_unlock(dhd_pub_t *pub) { #ifdef CONFIG_HAS_WAKELOCK dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { /* if wl_txflwake is active, unlock it */ if (wake_lock_active(&dhd->wl_txflwake)) { wake_unlock(&dhd->wl_txflwake); } } #endif /* CONFIG_HAS_WAKELOCK */ } int dhd_os_check_wakelock(dhd_pub_t *pub) { #if defined(CONFIG_HAS_WAKELOCK) || defined(BCMSDIO) dhd_info_t *dhd; if (!pub) return 0; dhd = (dhd_info_t *)(pub->info); #endif /* CONFIG_HAS_WAKELOCK || BCMSDIO */ #ifdef CONFIG_HAS_WAKELOCK /* Indicate to the SD Host to avoid going to suspend if internal locks are up */ if (dhd && (wake_lock_active(&dhd->wl_wifi) || (wake_lock_active(&dhd->wl_wdwake)))) return 1; #elif defined(BCMSDIO) if (dhd && (dhd->wakelock_counter > 0) && dhd_bus_dev_pm_enabled(pub)) return 1; #endif // endif return 0; } int dhd_os_check_wakelock_all(dhd_pub_t *pub) { #if defined(CONFIG_HAS_WAKELOCK) || defined(BCMSDIO) #if defined(CONFIG_HAS_WAKELOCK) int l1, l2, l3, l4, l7, l8, l9; int l5 = 0, l6 = 0; int c, lock_active; #endif /* CONFIG_HAS_WAKELOCK */ dhd_info_t *dhd; if (!pub) { return 0; } dhd = (dhd_info_t *)(pub->info); if (!dhd) { return 0; } #endif /* CONFIG_HAS_WAKELOCK || BCMSDIO */ #ifdef CONFIG_HAS_WAKELOCK c = dhd->wakelock_counter; l1 = wake_lock_active(&dhd->wl_wifi); l2 = wake_lock_active(&dhd->wl_wdwake); l3 = wake_lock_active(&dhd->wl_rxwake); l4 = wake_lock_active(&dhd->wl_ctrlwake); l7 = wake_lock_active(&dhd->wl_evtwake); #ifdef BCMPCIE_OOB_HOST_WAKE l5 = wake_lock_active(&dhd->wl_intrwake); #endif /* BCMPCIE_OOB_HOST_WAKE */ #ifdef DHD_USE_SCAN_WAKELOCK l6 = wake_lock_active(&dhd->wl_scanwake); #endif /* DHD_USE_SCAN_WAKELOCK */ l8 = wake_lock_active(&dhd->wl_pmwake); l9 = wake_lock_active(&dhd->wl_txflwake); lock_active = (l1 || l2 || l3 || l4 || l5 || l6 || l7 || l8 || l9); /* Indicate to the Host to avoid going to suspend if internal locks are up */ if (lock_active) { DHD_ERROR(("%s wakelock c-%d wl-%d wd-%d rx-%d " "ctl-%d intr-%d scan-%d evt-%d, pm-%d, txfl-%d\n", __FUNCTION__, c, l1, l2, l3, l4, l5, l6, l7, l8, l9)); return 1; } #elif defined(BCMSDIO) if (dhd && (dhd->wakelock_counter > 0) && dhd_bus_dev_pm_enabled(pub)) { return 1; } #endif /* defined(BCMSDIO) */ return 0; } int net_os_wake_unlock(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); int ret = 0; if (dhd) ret = dhd_os_wake_unlock(&dhd->pub); return ret; } int dhd_os_wd_wake_lock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; int ret = 0; if (dhd) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); if (dhd->wakelock_wd_counter == 0 && !dhd->waive_wakelock) { #ifdef CONFIG_HAS_WAKELOCK /* if wakelock_wd_counter was never used : lock it at once */ wake_lock(&dhd->wl_wdwake); #endif // endif } dhd->wakelock_wd_counter++; ret = dhd->wakelock_wd_counter; spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return ret; } int dhd_os_wd_wake_unlock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; int ret = 0; if (dhd) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); if (dhd->wakelock_wd_counter > 0) { dhd->wakelock_wd_counter = 0; if (!dhd->waive_wakelock) { #ifdef CONFIG_HAS_WAKELOCK wake_unlock(&dhd->wl_wdwake); #endif // endif } } spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return ret; } #ifdef BCMPCIE_OOB_HOST_WAKE void dhd_os_oob_irq_wake_lock_timeout(dhd_pub_t *pub, int val) { #ifdef CONFIG_HAS_WAKELOCK dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { wake_lock_timeout(&dhd->wl_intrwake, msecs_to_jiffies(val)); } #endif /* CONFIG_HAS_WAKELOCK */ } void dhd_os_oob_irq_wake_unlock(dhd_pub_t *pub) { #ifdef CONFIG_HAS_WAKELOCK dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { /* if wl_intrwake is active, unlock it */ if (wake_lock_active(&dhd->wl_intrwake)) { wake_unlock(&dhd->wl_intrwake); } } #endif /* CONFIG_HAS_WAKELOCK */ } #endif /* BCMPCIE_OOB_HOST_WAKE */ #ifdef DHD_USE_SCAN_WAKELOCK void dhd_os_scan_wake_lock_timeout(dhd_pub_t *pub, int val) { #ifdef CONFIG_HAS_WAKELOCK dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { wake_lock_timeout(&dhd->wl_scanwake, msecs_to_jiffies(val)); } #endif /* CONFIG_HAS_WAKELOCK */ } void dhd_os_scan_wake_unlock(dhd_pub_t *pub) { #ifdef CONFIG_HAS_WAKELOCK dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) { /* if wl_scanwake is active, unlock it */ if (wake_lock_active(&dhd->wl_scanwake)) { wake_unlock(&dhd->wl_scanwake); } } #endif /* CONFIG_HAS_WAKELOCK */ } #endif /* DHD_USE_SCAN_WAKELOCK */ /* waive wakelocks for operations such as IOVARs in suspend function, must be closed * by a paired function call to dhd_wakelock_restore. returns current wakelock counter */ int dhd_os_wake_lock_waive(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; int ret = 0; if (dhd && (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT)) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); /* dhd_wakelock_waive/dhd_wakelock_restore must be paired */ if (dhd->waive_wakelock == FALSE) { #ifdef DHD_TRACE_WAKE_LOCK if (atomic_read(&trace_wklock_onoff)) { STORE_WKLOCK_RECORD(DHD_WAIVE_LOCK); } #endif /* DHD_TRACE_WAKE_LOCK */ /* record current lock status */ dhd->wakelock_before_waive = dhd->wakelock_counter; dhd->waive_wakelock = TRUE; } ret = dhd->wakelock_wd_counter; spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return ret; } int dhd_os_wake_lock_restore(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); unsigned long flags; int ret = 0; if (!dhd) return 0; if ((dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT) == 0) return 0; spin_lock_irqsave(&dhd->wakelock_spinlock, flags); /* dhd_wakelock_waive/dhd_wakelock_restore must be paired */ if (!dhd->waive_wakelock) goto exit; dhd->waive_wakelock = FALSE; /* if somebody else acquires wakelock between dhd_wakelock_waive/dhd_wakelock_restore, * we need to make it up by calling wake_lock or pm_stay_awake. or if somebody releases * the lock in between, do the same by calling wake_unlock or pm_relax */ #ifdef DHD_TRACE_WAKE_LOCK if (atomic_read(&trace_wklock_onoff)) { STORE_WKLOCK_RECORD(DHD_RESTORE_LOCK); } #endif /* DHD_TRACE_WAKE_LOCK */ if (dhd->wakelock_before_waive == 0 && dhd->wakelock_counter > 0) { #ifdef CONFIG_HAS_WAKELOCK wake_lock(&dhd->wl_wifi); #elif defined(BCMSDIO) dhd_bus_dev_pm_stay_awake(&dhd->pub); #endif // endif } else if (dhd->wakelock_before_waive > 0 && dhd->wakelock_counter == 0) { #ifdef CONFIG_HAS_WAKELOCK wake_unlock(&dhd->wl_wifi); #elif defined(BCMSDIO) dhd_bus_dev_pm_relax(&dhd->pub); #endif // endif } dhd->wakelock_before_waive = 0; exit: ret = dhd->wakelock_wd_counter; spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); return ret; } void dhd_os_wake_lock_init(struct dhd_info *dhd) { DHD_TRACE(("%s: initialize wake_lock_counters\n", __FUNCTION__)); dhd->wakelock_counter = 0; dhd->wakelock_rx_timeout_enable = 0; dhd->wakelock_ctrl_timeout_enable = 0; /* wakelocks prevent a system from going into a low power state */ #ifdef CONFIG_HAS_WAKELOCK // terence 20161023: can not destroy wl_wifi when wlan down, it will happen null pointer in dhd_ioctl_entry wake_lock_init(&dhd->wl_rxwake, WAKE_LOCK_SUSPEND, "wlan_rx_wake"); wake_lock_init(&dhd->wl_ctrlwake, WAKE_LOCK_SUSPEND, "wlan_ctrl_wake"); wake_lock_init(&dhd->wl_evtwake, WAKE_LOCK_SUSPEND, "wlan_evt_wake"); wake_lock_init(&dhd->wl_pmwake, WAKE_LOCK_SUSPEND, "wlan_pm_wake"); wake_lock_init(&dhd->wl_txflwake, WAKE_LOCK_SUSPEND, "wlan_txfl_wake"); #ifdef BCMPCIE_OOB_HOST_WAKE wake_lock_init(&dhd->wl_intrwake, WAKE_LOCK_SUSPEND, "wlan_oob_irq_wake"); #endif /* BCMPCIE_OOB_HOST_WAKE */ #ifdef DHD_USE_SCAN_WAKELOCK wake_lock_init(&dhd->wl_scanwake, WAKE_LOCK_SUSPEND, "wlan_scan_wake"); #endif /* DHD_USE_SCAN_WAKELOCK */ #endif /* CONFIG_HAS_WAKELOCK */ #ifdef DHD_TRACE_WAKE_LOCK dhd_wk_lock_trace_init(dhd); #endif /* DHD_TRACE_WAKE_LOCK */ } void dhd_os_wake_lock_destroy(struct dhd_info *dhd) { DHD_TRACE(("%s: deinit wake_lock_counters\n", __FUNCTION__)); #ifdef CONFIG_HAS_WAKELOCK dhd->wakelock_counter = 0; dhd->wakelock_rx_timeout_enable = 0; dhd->wakelock_ctrl_timeout_enable = 0; // terence 20161023: can not destroy wl_wifi when wlan down, it will happen null pointer in dhd_ioctl_entry wake_lock_destroy(&dhd->wl_rxwake); wake_lock_destroy(&dhd->wl_ctrlwake); wake_lock_destroy(&dhd->wl_evtwake); wake_lock_destroy(&dhd->wl_pmwake); wake_lock_destroy(&dhd->wl_txflwake); #ifdef BCMPCIE_OOB_HOST_WAKE wake_lock_destroy(&dhd->wl_intrwake); #endif /* BCMPCIE_OOB_HOST_WAKE */ #ifdef DHD_USE_SCAN_WAKELOCK wake_lock_destroy(&dhd->wl_scanwake); #endif /* DHD_USE_SCAN_WAKELOCK */ #ifdef DHD_TRACE_WAKE_LOCK dhd_wk_lock_trace_deinit(dhd); #endif /* DHD_TRACE_WAKE_LOCK */ #endif /* CONFIG_HAS_WAKELOCK */ } bool dhd_os_check_if_up(dhd_pub_t *pub) { if (!pub) return FALSE; return pub->up; } /* function to collect firmware, chip id and chip version info */ void dhd_set_version_info(dhd_pub_t *dhdp, char *fw) { int i; i = snprintf(info_string, sizeof(info_string), " Driver: %s\n Firmware: %s\n CLM: %s ", EPI_VERSION_STR, fw, clm_version); printf("%s\n", info_string); if (!dhdp) return; i = snprintf(&info_string[i], sizeof(info_string) - i, "\n Chip: %x Rev %x", dhd_conf_get_chip(dhdp), dhd_conf_get_chiprev(dhdp)); } int dhd_ioctl_entry_local(struct net_device *net, wl_ioctl_t *ioc, int cmd) { int ifidx; int ret = 0; dhd_info_t *dhd = NULL; if (!net || !DEV_PRIV(net)) { DHD_ERROR(("%s invalid parameter net %p dev_priv %p\n", __FUNCTION__, net, DEV_PRIV(net))); return -EINVAL; } dhd = DHD_DEV_INFO(net); if (!dhd) return -EINVAL; ifidx = dhd_net2idx(dhd, net); if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s bad ifidx\n", __FUNCTION__)); return -ENODEV; } DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); ret = dhd_wl_ioctl(&dhd->pub, ifidx, ioc, ioc->buf, ioc->len); dhd_check_hang(net, &dhd->pub, ret); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return ret; } bool dhd_os_check_hang(dhd_pub_t *dhdp, int ifidx, int ret) { struct net_device *net; net = dhd_idx2net(dhdp, ifidx); if (!net) { DHD_ERROR(("%s : Invalid index : %d\n", __FUNCTION__, ifidx)); return -EINVAL; } return dhd_check_hang(net, dhdp, ret); } /* Return instance */ int dhd_get_instance(dhd_pub_t *dhdp) { return dhdp->info->unit; } #if defined(WL_CFG80211) && defined(SUPPORT_DEEP_SLEEP) #define MAX_TRY_CNT 5 /* Number of tries to disable deepsleep */ int dhd_deepsleep(struct net_device *dev, int flag) { char iovbuf[20]; uint powervar = 0; dhd_info_t *dhd; dhd_pub_t *dhdp; int cnt = 0; int ret = 0; dhd = DHD_DEV_INFO(dev); dhdp = &dhd->pub; switch (flag) { case 1 : /* Deepsleep on */ DHD_ERROR(("[WiFi] Deepsleep On\n")); /* give some time to sysioc_work before deepsleep */ OSL_SLEEP(200); #ifdef PKT_FILTER_SUPPORT /* disable pkt filter */ dhd_enable_packet_filter(0, dhdp); #endif /* PKT_FILTER_SUPPORT */ /* Disable MPC */ powervar = 0; ret = dhd_iovar(dhdp, 0, "mpc", (char *)&powervar, sizeof(powervar), NULL, 0, TRUE); /* Enable Deepsleep */ powervar = 1; ret = dhd_iovar(dhdp, 0, "deepsleep", (char *)&powervar, sizeof(powervar), NULL, 0, TRUE); break; case 0: /* Deepsleep Off */ DHD_ERROR(("[WiFi] Deepsleep Off\n")); /* Disable Deepsleep */ for (cnt = 0; cnt < MAX_TRY_CNT; cnt++) { powervar = 0; ret = dhd_iovar(dhdp, 0, "deepsleep", (char *)&powervar, sizeof(powervar), NULL, 0, TRUE); ret = dhd_iovar(dhdp, 0, "deepsleep", (char *)&powervar, sizeof(powervar), iovbuf, sizeof(iovbuf), FALSE); if (ret < 0) { DHD_ERROR(("the error of dhd deepsleep status" " ret value :%d\n", ret)); } else { if (!(*(int *)iovbuf)) { DHD_ERROR(("deepsleep mode is 0," " count: %d\n", cnt)); break; } } } /* Enable MPC */ powervar = 1; ret = dhd_iovar(dhdp, 0, "mpc", (char *)&powervar, sizeof(powervar), NULL, 0, TRUE); break; } return 0; } #endif /* WL_CFG80211 && SUPPORT_DEEP_SLEEP */ #ifdef PROP_TXSTATUS void dhd_wlfc_plat_init(void *dhd) { #ifdef USE_DYNAMIC_F2_BLKSIZE dhdsdio_func_blocksize((dhd_pub_t *)dhd, 2, DYNAMIC_F2_BLKSIZE_FOR_NONLEGACY); #endif /* USE_DYNAMIC_F2_BLKSIZE */ return; } void dhd_wlfc_plat_deinit(void *dhd) { #ifdef USE_DYNAMIC_F2_BLKSIZE dhdsdio_func_blocksize((dhd_pub_t *)dhd, 2, sd_f2_blocksize); #endif /* USE_DYNAMIC_F2_BLKSIZE */ return; } bool dhd_wlfc_skip_fc(void * dhdp, uint8 idx) { #ifdef SKIP_WLFC_ON_CONCURRENT #ifdef WL_CFG80211 struct net_device * net = dhd_idx2net((dhd_pub_t *)dhdp, idx); if (net) /* enable flow control in vsdb mode */ return !(wl_cfg80211_is_concurrent_mode(net)); #else return TRUE; /* skip flow control */ #endif /* WL_CFG80211 */ #else return FALSE; #endif /* SKIP_WLFC_ON_CONCURRENT */ return FALSE; } #endif /* PROP_TXSTATUS */ #ifdef BCMDBGFS #include typedef struct dhd_dbgfs { struct dentry *debugfs_dir; struct dentry *debugfs_mem; dhd_pub_t *dhdp; uint32 size; } dhd_dbgfs_t; dhd_dbgfs_t g_dbgfs; extern uint32 dhd_readregl(void *bp, uint32 addr); extern uint32 dhd_writeregl(void *bp, uint32 addr, uint32 data); static int dhd_dbg_state_open(struct inode *inode, struct file *file) { file->private_data = inode->i_private; return 0; } static ssize_t dhd_dbg_state_read(struct file *file, char __user *ubuf, size_t count, loff_t *ppos) { ssize_t rval; uint32 tmp; loff_t pos = *ppos; size_t ret; if (pos < 0) return -EINVAL; if (pos >= g_dbgfs.size || !count) return 0; if (count > g_dbgfs.size - pos) count = g_dbgfs.size - pos; /* Basically enforce aligned 4 byte reads. It's up to the user to work out the details */ tmp = dhd_readregl(g_dbgfs.dhdp->bus, file->f_pos & (~3)); ret = copy_to_user(ubuf, &tmp, 4); if (ret == count) return -EFAULT; count -= ret; *ppos = pos + count; rval = count; return rval; } static ssize_t dhd_debugfs_write(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { loff_t pos = *ppos; size_t ret; uint32 buf; if (pos < 0) return -EINVAL; if (pos >= g_dbgfs.size || !count) return 0; if (count > g_dbgfs.size - pos) count = g_dbgfs.size - pos; ret = copy_from_user(&buf, ubuf, sizeof(uint32)); if (ret == count) return -EFAULT; /* Basically enforce aligned 4 byte writes. It's up to the user to work out the details */ dhd_writeregl(g_dbgfs.dhdp->bus, file->f_pos & (~3), buf); return count; } loff_t dhd_debugfs_lseek(struct file *file, loff_t off, int whence) { loff_t pos = -1; switch (whence) { case 0: pos = off; break; case 1: pos = file->f_pos + off; break; case 2: pos = g_dbgfs.size - off; } return (pos < 0 || pos > g_dbgfs.size) ? -EINVAL : (file->f_pos = pos); } static const struct file_operations dhd_dbg_state_ops = { .read = dhd_dbg_state_read, .write = dhd_debugfs_write, .open = dhd_dbg_state_open, .llseek = dhd_debugfs_lseek }; static void dhd_dbgfs_create(void) { if (g_dbgfs.debugfs_dir) { g_dbgfs.debugfs_mem = debugfs_create_file("mem", 0644, g_dbgfs.debugfs_dir, NULL, &dhd_dbg_state_ops); } } void dhd_dbgfs_init(dhd_pub_t *dhdp) { g_dbgfs.dhdp = dhdp; g_dbgfs.size = 0x20000000; /* Allow access to various cores regs */ g_dbgfs.debugfs_dir = debugfs_create_dir("dhd", 0); if (IS_ERR(g_dbgfs.debugfs_dir)) { g_dbgfs.debugfs_dir = NULL; return; } dhd_dbgfs_create(); return; } void dhd_dbgfs_remove(void) { debugfs_remove(g_dbgfs.debugfs_mem); debugfs_remove(g_dbgfs.debugfs_dir); bzero((unsigned char *) &g_dbgfs, sizeof(g_dbgfs)); } #endif /* BCMDBGFS */ #ifdef CUSTOM_SET_CPUCORE void dhd_set_cpucore(dhd_pub_t *dhd, int set) { int e_dpc = 0, e_rxf = 0, retry_set = 0; if (!(dhd->chan_isvht80)) { DHD_ERROR(("%s: chan_status(%d) cpucore!!!\n", __FUNCTION__, dhd->chan_isvht80)); return; } if (DPC_CPUCORE) { do { if (set == TRUE) { e_dpc = set_cpus_allowed_ptr(dhd->current_dpc, cpumask_of(DPC_CPUCORE)); } else { e_dpc = set_cpus_allowed_ptr(dhd->current_dpc, cpumask_of(PRIMARY_CPUCORE)); } if (retry_set++ > MAX_RETRY_SET_CPUCORE) { DHD_ERROR(("%s: dpc(%d) invalid cpu!\n", __FUNCTION__, e_dpc)); return; } if (e_dpc < 0) OSL_SLEEP(1); } while (e_dpc < 0); } if (RXF_CPUCORE) { do { if (set == TRUE) { e_rxf = set_cpus_allowed_ptr(dhd->current_rxf, cpumask_of(RXF_CPUCORE)); } else { e_rxf = set_cpus_allowed_ptr(dhd->current_rxf, cpumask_of(PRIMARY_CPUCORE)); } if (retry_set++ > MAX_RETRY_SET_CPUCORE) { DHD_ERROR(("%s: rxf(%d) invalid cpu!\n", __FUNCTION__, e_rxf)); return; } if (e_rxf < 0) OSL_SLEEP(1); } while (e_rxf < 0); } DHD_TRACE(("%s: set(%d) cpucore success!\n", __FUNCTION__, set)); return; } #endif /* CUSTOM_SET_CPUCORE */ #ifdef DHD_MCAST_REGEN /* Get interface specific ap_isolate configuration */ int dhd_get_mcast_regen_bss_enable(dhd_pub_t *dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; return ifp->mcast_regen_bss_enable; } /* Set interface specific mcast_regen configuration */ int dhd_set_mcast_regen_bss_enable(dhd_pub_t *dhdp, uint32 idx, int val) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ifp->mcast_regen_bss_enable = val; /* Disable rx_pkt_chain feature for interface, if mcast_regen feature * is enabled */ dhd_update_rx_pkt_chainable_state(dhdp, idx); return BCME_OK; } #endif /* DHD_MCAST_REGEN */ /* Get interface specific ap_isolate configuration */ int dhd_get_ap_isolate(dhd_pub_t *dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; return ifp->ap_isolate; } /* Set interface specific ap_isolate configuration */ int dhd_set_ap_isolate(dhd_pub_t *dhdp, uint32 idx, int val) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; if (ifp) ifp->ap_isolate = val; return 0; } #ifdef DHD_FW_COREDUMP void dhd_schedule_memdump(dhd_pub_t *dhdp, uint8 *buf, uint32 size) { unsigned long flags = 0; dhd_dump_t *dump = NULL; dhd_info_t *dhd_info = NULL; #if !defined(DHD_DUMP_FILE_WRITE_FROM_KERNEL) log_dump_type_t type = DLD_BUF_TYPE_ALL; #endif /* !DHD_DUMP_FILE_WRITE_FROM_KERNEL */ dhd_info = (dhd_info_t *)dhdp->info; dump = (dhd_dump_t *)MALLOC(dhdp->osh, sizeof(dhd_dump_t)); if (dump == NULL) { DHD_ERROR(("%s: dhd dump memory allocation failed\n", __FUNCTION__)); return; } dump->buf = buf; dump->bufsize = size; #ifdef BCMPCIE dhd_get_hscb_info(dhdp, (void*)(&dump->hscb_buf), (uint32 *)(&dump->hscb_bufsize)); #else /* BCMPCIE */ dump->hscb_bufsize = 0; #endif /* BCMPCIE */ #ifdef DHD_LOG_DUMP dhd_print_buf_addr(dhdp, "memdump", buf, size); #if !defined(DHD_DUMP_FILE_WRITE_FROM_KERNEL) /* Print out buffer infomation */ dhd_log_dump_buf_addr(dhdp, &type); #endif /* !DHD_DUMP_FILE_WRITE_FROM_KERNEL */ #endif /* DHD_LOG_DUMP */ if (dhdp->memdump_enabled == DUMP_MEMONLY) { BUG_ON(1); } #if defined(DEBUG_DNGL_INIT_FAIL) || defined(DHD_ERPOM) || \ defined(DNGL_AXI_ERROR_LOGGING) if ( #if defined(DEBUG_DNGL_INIT_FAIL) (dhdp->memdump_type == DUMP_TYPE_DONGLE_INIT_FAILURE) || #endif /* DEBUG_DNGL_INIT_FAIL */ #ifdef DHD_ERPOM (dhdp->memdump_type == DUMP_TYPE_DUE_TO_BT) || #endif /* DHD_ERPOM */ #ifdef DNGL_AXI_ERROR_LOGGING (dhdp->memdump_type == DUMP_TYPE_SMMU_FAULT) || #endif /* DNGL_AXI_ERROR_LOGGING */ FALSE) { #if defined(DHD_DUMP_FILE_WRITE_FROM_KERNEL) && defined(DHD_LOG_DUMP) log_dump_type_t *flush_type = NULL; #endif /* DHD_DUMP_FILE_WRITE_FROM_KERNEL && DHD_LOG_DUMP */ dhd_info->scheduled_memdump = FALSE; (void)dhd_mem_dump((void *)dhdp->info, (void *)dump, 0); #if defined(DHD_DUMP_FILE_WRITE_FROM_KERNEL) && defined(DHD_LOG_DUMP) /* for dongle init fail cases, 'dhd_mem_dump' does * not call 'dhd_log_dump', so call it here. */ flush_type = MALLOCZ(dhdp->osh, sizeof(log_dump_type_t)); if (flush_type) { *flush_type = DLD_BUF_TYPE_ALL; DHD_ERROR(("%s: calling log dump.. \n", __FUNCTION__)); dhd_log_dump(dhdp->info, flush_type, 0); } #endif /* DHD_DUMP_FILE_WRITE_FROM_KERNEL && DHD_LOG_DUMP */ return; } #endif /* DEBUG_DNGL_INIT_FAIL || DHD_ERPOM || DNGL_AXI_ERROR_LOGGING */ dhd_info->scheduled_memdump = TRUE; /* bus busy bit for mem dump will be cleared in mem dump * work item context, after mem dump file is written */ DHD_GENERAL_LOCK(dhdp, flags); DHD_BUS_BUSY_SET_IN_MEMDUMP(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); DHD_ERROR(("%s: scheduling mem dump.. \n", __FUNCTION__)); dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, (void *)dump, DHD_WQ_WORK_SOC_RAM_DUMP, (void *)dhd_mem_dump, DHD_WQ_WORK_PRIORITY_HIGH); } static int dhd_mem_dump(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; dhd_pub_t *dhdp = NULL; unsigned long flags = 0; int ret = 0; dhd_dump_t *dump = NULL; DHD_ERROR(("%s: ENTER, memdump type %u\n", __FUNCTION__, dhd->pub.memdump_type)); if (!dhd) { DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__)); return -ENODEV; } dhdp = &dhd->pub; if (!dhdp) { DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__)); return -ENODEV; } DHD_GENERAL_LOCK(dhdp, flags); if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhdp)) { DHD_GENERAL_UNLOCK(dhdp, flags); DHD_ERROR(("%s: bus is down! can't collect mem dump. \n", __FUNCTION__)); ret = -ENODEV; goto exit; } DHD_GENERAL_UNLOCK(dhdp, flags); #ifdef DHD_SSSR_DUMP if (dhdp->sssr_inited && dhdp->collect_sssr) { dhdpcie_sssr_dump(dhdp); } dhdp->collect_sssr = FALSE; #endif /* DHD_SSSR_DUMP */ #if defined(WL_CFG80211) && defined(DHD_FILE_DUMP_EVENT) dhd_wait_for_file_dump(dhdp); #endif /* WL_CFG80211 && DHD_FILE_DUMP_EVENT */ dump = (dhd_dump_t *)event_info; if (!dump) { DHD_ERROR(("%s: dump is NULL\n", __FUNCTION__)); ret = -EINVAL; goto exit; } /* * If kernel does not have file write access enabled * then skip writing dumps to files. * The dumps will be pushed to HAL layer which will * write into files */ #ifdef DHD_DUMP_FILE_WRITE_FROM_KERNEL if (write_dump_to_file(&dhd->pub, dump->buf, dump->bufsize, "mem_dump")) { DHD_ERROR(("%s: writing SoC_RAM dump to the file failed\n", __FUNCTION__)); #ifdef DHD_DEBUG_UART dhd->pub.memdump_success = FALSE; #endif /* DHD_DEBUG_UART */ } /* directly call dhd_log_dump for debug_dump collection from the mem_dump work queue * context, no need to schedule another work queue for log dump. In case of * user initiated DEBUG_DUMP wpa_cli command (DUMP_TYPE_BY_SYSDUMP), * cfg layer is itself scheduling the log_dump work queue. * that path is not disturbed. If 'dhd_mem_dump' is called directly then we will not * collect debug_dump as it may be called from non-sleepable context. */ #ifdef DHD_LOG_DUMP if (dhd->scheduled_memdump && dhdp->memdump_type != DUMP_TYPE_BY_SYSDUMP) { log_dump_type_t *flush_type = MALLOCZ(dhdp->osh, sizeof(log_dump_type_t)); if (flush_type) { *flush_type = DLD_BUF_TYPE_ALL; DHD_ERROR(("%s: calling log dump.. \n", __FUNCTION__)); dhd_log_dump(dhd, flush_type, 0); } } #endif /* DHD_LOG_DUMP */ clear_debug_dump_time(dhdp->debug_dump_time_str); /* before calling bug on, wait for other logs to be dumped. * we cannot wait in case dhd_mem_dump is called directly * as it may not be in a sleepable context */ if (dhd->scheduled_memdump) { uint bitmask = 0; int timeleft = 0; #ifdef DHD_SSSR_DUMP bitmask |= DHD_BUS_BUSY_IN_SSSRDUMP; #endif // endif if (bitmask != 0) { DHD_ERROR(("%s: wait to clear dhd_bus_busy_state: 0x%x\n", __FUNCTION__, dhdp->dhd_bus_busy_state)); timeleft = dhd_os_busbusy_wait_bitmask(dhdp, &dhdp->dhd_bus_busy_state, bitmask, 0); if ((timeleft == 0) || (timeleft == 1)) { DHD_ERROR(("%s: Timed out dhd_bus_busy_state=0x%x\n", __FUNCTION__, dhdp->dhd_bus_busy_state)); } } } if (dump->hscb_buf && dump->hscb_bufsize) { DHD_ERROR(("%s: write HSCB dump... \n", __FUNCTION__)); if (write_dump_to_file(&dhd->pub, dump->hscb_buf, dump->hscb_bufsize, "mem_dump_hscb")) { DHD_ERROR(("%s: writing HSCB dump to the file failed\n", __FUNCTION__)); #ifdef DHD_DEBUG_UART dhd->pub.memdump_success = FALSE; #endif /* DHD_DEBUG_UART */ } } #endif /* DHD_DUMP_FILE_WRITE_FROM_KERNEL */ DHD_ERROR(("%s: memdump type %u\n", __FUNCTION__, dhd->pub.memdump_type)); if (dhd->pub.memdump_enabled == DUMP_MEMFILE_BUGON && #ifdef DHD_LOG_DUMP dhd->pub.memdump_type != DUMP_TYPE_BY_SYSDUMP && #endif /* DHD_LOG_DUMP */ dhd->pub.memdump_type != DUMP_TYPE_BY_USER && #ifdef DHD_DEBUG_UART dhd->pub.memdump_success == TRUE && #endif /* DHD_DEBUG_UART */ #ifdef DNGL_EVENT_SUPPORT dhd->pub.memdump_type != DUMP_TYPE_DONGLE_HOST_EVENT && #endif /* DNGL_EVENT_SUPPORT */ dhd->pub.memdump_type != DUMP_TYPE_CFG_VENDOR_TRIGGERED) { #ifdef SHOW_LOGTRACE /* Wait till logtrace context is flushed */ dhd_flush_logtrace_process(dhd); #endif /* SHOW_LOGTRACE */ DHD_ERROR(("%s: call BUG_ON \n", __FUNCTION__)); BUG_ON(1); } DHD_ERROR(("%s: No BUG ON, memdump type %u \n", __FUNCTION__, dhd->pub.memdump_type)); exit: if (dump) { MFREE(dhd->pub.osh, dump, sizeof(dhd_dump_t)); } DHD_GENERAL_LOCK(dhdp, flags); DHD_BUS_BUSY_CLEAR_IN_MEMDUMP(&dhd->pub); dhd_os_busbusy_wake(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); dhd->scheduled_memdump = FALSE; if (dhdp->hang_was_pending) { DHD_ERROR(("%s: Send pending HANG event...\n", __FUNCTION__)); dhd_os_send_hang_message(dhdp); dhdp->hang_was_pending = 0; } DHD_ERROR(("%s: EXIT \n", __FUNCTION__)); return ret; } #endif /* DHD_FW_COREDUMP */ #ifdef DHD_SSSR_DUMP int dhd_sssr_dump_dig_buf_before(void *dev, const void *user_buf, uint32 len) { dhd_info_t *dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhd_pub_t *dhdp = &dhd_info->pub; int pos = 0, ret = BCME_ERROR; uint dig_buf_size = 0; if (dhdp->sssr_reg_info.vasip_regs.vasip_sr_size) { dig_buf_size = dhdp->sssr_reg_info.vasip_regs.vasip_sr_size; } else if ((dhdp->sssr_reg_info.length > OFFSETOF(sssr_reg_info_v1_t, dig_mem_info)) && dhdp->sssr_reg_info.dig_mem_info.dig_sr_size) { dig_buf_size = dhdp->sssr_reg_info.dig_mem_info.dig_sr_size; } if (dhdp->sssr_dig_buf_before && (dhdp->sssr_dump_mode == SSSR_DUMP_MODE_SSSR)) { ret = dhd_export_debug_data((char *)dhdp->sssr_dig_buf_before, NULL, user_buf, dig_buf_size, &pos); } return ret; } int dhd_sssr_dump_dig_buf_after(void *dev, const void *user_buf, uint32 len) { dhd_info_t *dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhd_pub_t *dhdp = &dhd_info->pub; int pos = 0, ret = BCME_ERROR; uint dig_buf_size = 0; if (dhdp->sssr_reg_info.vasip_regs.vasip_sr_size) { dig_buf_size = dhdp->sssr_reg_info.vasip_regs.vasip_sr_size; } else if ((dhdp->sssr_reg_info.length > OFFSETOF(sssr_reg_info_v1_t, dig_mem_info)) && dhdp->sssr_reg_info.dig_mem_info.dig_sr_size) { dig_buf_size = dhdp->sssr_reg_info.dig_mem_info.dig_sr_size; } if (dhdp->sssr_dig_buf_after) { ret = dhd_export_debug_data((char *)dhdp->sssr_dig_buf_after, NULL, user_buf, dig_buf_size, &pos); } return ret; } int dhd_sssr_dump_d11_buf_before(void *dev, const void *user_buf, uint32 len, int core) { dhd_info_t *dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhd_pub_t *dhdp = &dhd_info->pub; int pos = 0, ret = BCME_ERROR; if (dhdp->sssr_d11_before[core] && dhdp->sssr_d11_outofreset[core] && (dhdp->sssr_dump_mode == SSSR_DUMP_MODE_SSSR)) { ret = dhd_export_debug_data((char *)dhdp->sssr_d11_before[core], NULL, user_buf, len, &pos); } return ret; } int dhd_sssr_dump_d11_buf_after(void *dev, const void *user_buf, uint32 len, int core) { dhd_info_t *dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhd_pub_t *dhdp = &dhd_info->pub; int pos = 0, ret = BCME_ERROR; if (dhdp->sssr_d11_after[core] && dhdp->sssr_d11_outofreset[core]) { ret = dhd_export_debug_data((char *)dhdp->sssr_d11_after[core], NULL, user_buf, len, &pos); } return ret; } static void dhd_sssr_dump_to_file(dhd_info_t* dhdinfo) { dhd_info_t *dhd = dhdinfo; dhd_pub_t *dhdp; int i; char before_sr_dump[128]; char after_sr_dump[128]; unsigned long flags = 0; uint dig_buf_size = 0; DHD_ERROR(("%s: ENTER \n", __FUNCTION__)); if (!dhd) { DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__)); return; } dhdp = &dhd->pub; DHD_GENERAL_LOCK(dhdp, flags); DHD_BUS_BUSY_SET_IN_SSSRDUMP(dhdp); if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhdp)) { DHD_GENERAL_UNLOCK(dhdp, flags); DHD_ERROR(("%s: bus is down! can't collect sssr dump. \n", __FUNCTION__)); goto exit; } DHD_GENERAL_UNLOCK(dhdp, flags); for (i = 0; i < MAX_NUM_D11CORES; i++) { /* Init file name */ memset(before_sr_dump, 0, sizeof(before_sr_dump)); memset(after_sr_dump, 0, sizeof(after_sr_dump)); snprintf(before_sr_dump, sizeof(before_sr_dump), "%s_%d_%s", "sssr_dump_core", i, "before_SR"); snprintf(after_sr_dump, sizeof(after_sr_dump), "%s_%d_%s", "sssr_dump_core", i, "after_SR"); if (dhdp->sssr_d11_before[i] && dhdp->sssr_d11_outofreset[i] && (dhdp->sssr_dump_mode == SSSR_DUMP_MODE_SSSR)) { if (write_dump_to_file(dhdp, (uint8 *)dhdp->sssr_d11_before[i], dhdp->sssr_reg_info.mac_regs[i].sr_size, before_sr_dump)) { DHD_ERROR(("%s: writing SSSR MAIN dump before to the file failed\n", __FUNCTION__)); } } if (dhdp->sssr_d11_after[i] && dhdp->sssr_d11_outofreset[i]) { if (write_dump_to_file(dhdp, (uint8 *)dhdp->sssr_d11_after[i], dhdp->sssr_reg_info.mac_regs[i].sr_size, after_sr_dump)) { DHD_ERROR(("%s: writing SSSR AUX dump after to the file failed\n", __FUNCTION__)); } } } if (dhdp->sssr_reg_info.vasip_regs.vasip_sr_size) { dig_buf_size = dhdp->sssr_reg_info.vasip_regs.vasip_sr_size; } else if ((dhdp->sssr_reg_info.length > OFFSETOF(sssr_reg_info_v1_t, dig_mem_info)) && dhdp->sssr_reg_info.dig_mem_info.dig_sr_size) { dig_buf_size = dhdp->sssr_reg_info.dig_mem_info.dig_sr_size; } if (dhdp->sssr_dig_buf_before && (dhdp->sssr_dump_mode == SSSR_DUMP_MODE_SSSR)) { if (write_dump_to_file(dhdp, (uint8 *)dhdp->sssr_dig_buf_before, dig_buf_size, "sssr_dump_dig_before_SR")) { DHD_ERROR(("%s: writing SSSR Dig dump before to the file failed\n", __FUNCTION__)); } } if (dhdp->sssr_dig_buf_after) { if (write_dump_to_file(dhdp, (uint8 *)dhdp->sssr_dig_buf_after, dig_buf_size, "sssr_dump_dig_after_SR")) { DHD_ERROR(("%s: writing SSSR Dig VASIP dump after to the file failed\n", __FUNCTION__)); } } exit: DHD_GENERAL_LOCK(dhdp, flags); DHD_BUS_BUSY_CLEAR_IN_SSSRDUMP(dhdp); dhd_os_busbusy_wake(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); } void dhd_write_sssr_dump(dhd_pub_t *dhdp, uint32 dump_mode) { dhdp->sssr_dump_mode = dump_mode; /* * If kernel does not have file write access enabled * then skip writing dumps to files. * The dumps will be pushed to HAL layer which will * write into files */ #if !defined(DHD_DUMP_FILE_WRITE_FROM_KERNEL) return; #endif /* !DHD_DUMP_FILE_WRITE_FROM_KERNEL */ /* * dhd_mem_dump -> dhd_sssr_dump -> dhd_write_sssr_dump * Without workqueue - * DUMP_TYPE_DONGLE_INIT_FAILURE/DUMP_TYPE_DUE_TO_BT/DUMP_TYPE_SMMU_FAULT * : These are called in own handler, not in the interrupt context * With workqueue - all other DUMP_TYPEs : dhd_mem_dump is called in workqueue * Thus, it doesn't neeed to dump SSSR in workqueue */ DHD_ERROR(("%s: writing sssr dump to file... \n", __FUNCTION__)); dhd_sssr_dump_to_file(dhdp->info); } #endif /* DHD_SSSR_DUMP */ #ifdef DHD_LOG_DUMP static void dhd_log_dump(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; log_dump_type_t *type = (log_dump_type_t *)event_info; if (!dhd || !type) { DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__)); return; } #ifdef WL_CFG80211 /* flush the fw side logs */ wl_flush_fw_log_buffer(dhd_linux_get_primary_netdev(&dhd->pub), FW_LOGSET_MASK_ALL); #endif // endif /* there are currently 3 possible contexts from which * log dump can be scheduled - * 1.TRAP 2.supplicant DEBUG_DUMP pvt driver command * 3.HEALTH CHECK event * The concise debug info buffer is a shared resource * and in case a trap is one of the contexts then both the * scheduled work queues need to run because trap data is * essential for debugging. Hence a mutex lock is acquired * before calling do_dhd_log_dump(). */ DHD_ERROR(("%s: calling log dump.. \n", __FUNCTION__)); dhd_os_logdump_lock(&dhd->pub); DHD_OS_WAKE_LOCK(&dhd->pub); if (do_dhd_log_dump(&dhd->pub, type) != BCME_OK) { DHD_ERROR(("%s: writing debug dump to the file failed\n", __FUNCTION__)); } DHD_OS_WAKE_UNLOCK(&dhd->pub); dhd_os_logdump_unlock(&dhd->pub); } void dhd_schedule_log_dump(dhd_pub_t *dhdp, void *type) { DHD_ERROR(("%s: scheduling log dump.. \n", __FUNCTION__)); dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, type, DHD_WQ_WORK_DHD_LOG_DUMP, dhd_log_dump, DHD_WQ_WORK_PRIORITY_HIGH); } static void dhd_print_buf_addr(dhd_pub_t *dhdp, char *name, void *buf, unsigned int size) { #ifdef DHD_FW_COREDUMP if ((dhdp->memdump_enabled == DUMP_MEMONLY) || (dhdp->memdump_enabled == DUMP_MEMFILE_BUGON) || (dhdp->memdump_type == DUMP_TYPE_SMMU_FAULT)) #else if (dhdp->memdump_type == DUMP_TYPE_SMMU_FAULT) #endif { #if defined(CONFIG_ARM64) DHD_ERROR(("-------- %s: buf(va)=%llx, buf(pa)=%llx, bufsize=%d\n", name, (uint64)buf, (uint64)__virt_to_phys((ulong)buf), size)); #elif defined(__ARM_ARCH_7A__) DHD_ERROR(("-------- %s: buf(va)=%x, buf(pa)=%x, bufsize=%d\n", name, (uint32)buf, (uint32)__virt_to_phys((ulong)buf), size)); #endif /* __ARM_ARCH_7A__ */ } } static void dhd_log_dump_buf_addr(dhd_pub_t *dhdp, log_dump_type_t *type) { int i; unsigned long wr_size = 0; struct dhd_log_dump_buf *dld_buf = &g_dld_buf[0]; size_t log_size = 0; char buf_name[DHD_PRINT_BUF_NAME_LEN]; dhd_dbg_ring_t *ring = NULL; BCM_REFERENCE(ring); for (i = 0; i < DLD_BUFFER_NUM; i++) { dld_buf = &g_dld_buf[i]; log_size = (unsigned long)dld_buf->max - (unsigned long)dld_buf->buffer; if (dld_buf->wraparound) { wr_size = log_size; } else { wr_size = (unsigned long)dld_buf->present - (unsigned long)dld_buf->front; } scnprintf(buf_name, sizeof(buf_name), "dlb_buf[%d]", i); dhd_print_buf_addr(dhdp, buf_name, dld_buf, dld_buf_size[i]); scnprintf(buf_name, sizeof(buf_name), "dlb_buf[%d] buffer", i); dhd_print_buf_addr(dhdp, buf_name, dld_buf->buffer, wr_size); scnprintf(buf_name, sizeof(buf_name), "dlb_buf[%d] present", i); dhd_print_buf_addr(dhdp, buf_name, dld_buf->present, wr_size); scnprintf(buf_name, sizeof(buf_name), "dlb_buf[%d] front", i); dhd_print_buf_addr(dhdp, buf_name, dld_buf->front, wr_size); } #ifdef EWP_ECNTRS_LOGGING /* periodic flushing of ecounters is NOT supported */ if (*type == DLD_BUF_TYPE_ALL && logdump_ecntr_enable && dhdp->ecntr_dbg_ring) { ring = (dhd_dbg_ring_t *)dhdp->ecntr_dbg_ring; dhd_print_buf_addr(dhdp, "ecntr_dbg_ring", ring, LOG_DUMP_ECNTRS_MAX_BUFSIZE); dhd_print_buf_addr(dhdp, "ecntr_dbg_ring ring_buf", ring->ring_buf, LOG_DUMP_ECNTRS_MAX_BUFSIZE); } #endif /* EWP_ECNTRS_LOGGING */ #ifdef DHD_STATUS_LOGGING if (dhdp->statlog) { dhd_print_buf_addr(dhdp, "statlog_logbuf", dhd_statlog_get_logbuf(dhdp), dhd_statlog_get_logbuf_len(dhdp)); } #endif /* DHD_STATUS_LOGGING */ #ifdef EWP_RTT_LOGGING /* periodic flushing of ecounters is NOT supported */ if (*type == DLD_BUF_TYPE_ALL && logdump_rtt_enable && dhdp->rtt_dbg_ring) { ring = (dhd_dbg_ring_t *)dhdp->rtt_dbg_ring; dhd_print_buf_addr(dhdp, "rtt_dbg_ring", ring, LOG_DUMP_RTT_MAX_BUFSIZE); dhd_print_buf_addr(dhdp, "rtt_dbg_ring ring_buf", ring->ring_buf, LOG_DUMP_RTT_MAX_BUFSIZE); } #endif /* EWP_RTT_LOGGING */ #ifdef BCMPCIE if (dhdp->dongle_trap_occured && dhdp->extended_trap_data) { dhd_print_buf_addr(dhdp, "extended_trap_data", dhdp->extended_trap_data, BCMPCIE_EXT_TRAP_DATA_MAXLEN); } #endif /* BCMPCIE */ #if defined(DHD_FW_COREDUMP) && defined(DNGL_EVENT_SUPPORT) /* if health check event was received */ if (dhdp->memdump_type == DUMP_TYPE_DONGLE_HOST_EVENT) { dhd_print_buf_addr(dhdp, "health_chk_event_data", dhdp->health_chk_event_data, HEALTH_CHK_BUF_SIZE); } #endif /* DHD_FW_COREDUMP && DNGL_EVENT_SUPPORT */ /* append the concise debug information */ if (dhdp->concise_dbg_buf) { dhd_print_buf_addr(dhdp, "concise_dbg_buf", dhdp->concise_dbg_buf, CONCISE_DUMP_BUFLEN); } } #ifdef DHD_SSSR_DUMP int dhdpcie_sssr_dump_get_before_after_len(dhd_pub_t *dhd, uint32 *arr_len) { int i = 0; DHD_ERROR(("%s\n", __FUNCTION__)); /* core 0 */ i = 0; if (dhd->sssr_d11_before[i] && dhd->sssr_d11_outofreset[i] && (dhd->sssr_dump_mode == SSSR_DUMP_MODE_SSSR)) { arr_len[SSSR_C0_D11_BEFORE] = (dhd->sssr_reg_info.mac_regs[i].sr_size); DHD_ERROR(("%s: arr_len[SSSR_C0_D11_BEFORE] : %d\n", __FUNCTION__, arr_len[SSSR_C0_D11_BEFORE])); #ifdef DHD_LOG_DUMP dhd_print_buf_addr(dhd, "SSSR_C0_D11_BEFORE", dhd->sssr_d11_before[i], arr_len[SSSR_C0_D11_BEFORE]); #endif /* DHD_LOG_DUMP */ } if (dhd->sssr_d11_after[i] && dhd->sssr_d11_outofreset[i]) { arr_len[SSSR_C0_D11_AFTER] = (dhd->sssr_reg_info.mac_regs[i].sr_size); DHD_ERROR(("%s: arr_len[SSSR_C0_D11_AFTER] : %d\n", __FUNCTION__, arr_len[SSSR_C0_D11_AFTER])); #ifdef DHD_LOG_DUMP dhd_print_buf_addr(dhd, "SSSR_C0_D11_AFTER", dhd->sssr_d11_after[i], arr_len[SSSR_C0_D11_AFTER]); #endif /* DHD_LOG_DUMP */ } /* core 1 */ i = 1; if (dhd->sssr_d11_before[i] && dhd->sssr_d11_outofreset[i] && (dhd->sssr_dump_mode == SSSR_DUMP_MODE_SSSR)) { arr_len[SSSR_C1_D11_BEFORE] = (dhd->sssr_reg_info.mac_regs[i].sr_size); DHD_ERROR(("%s: arr_len[SSSR_C1_D11_BEFORE] : %d\n", __FUNCTION__, arr_len[SSSR_C1_D11_BEFORE])); #ifdef DHD_LOG_DUMP dhd_print_buf_addr(dhd, "SSSR_C1_D11_BEFORE", dhd->sssr_d11_before[i], arr_len[SSSR_C1_D11_BEFORE]); #endif /* DHD_LOG_DUMP */ } if (dhd->sssr_d11_after[i] && dhd->sssr_d11_outofreset[i]) { arr_len[SSSR_C1_D11_AFTER] = (dhd->sssr_reg_info.mac_regs[i].sr_size); DHD_ERROR(("%s: arr_len[SSSR_C1_D11_AFTER] : %d\n", __FUNCTION__, arr_len[SSSR_C1_D11_AFTER])); #ifdef DHD_LOG_DUMP dhd_print_buf_addr(dhd, "SSSR_C1_D11_AFTER", dhd->sssr_d11_after[i], arr_len[SSSR_C1_D11_AFTER]); #endif /* DHD_LOG_DUMP */ } if (dhd->sssr_reg_info.vasip_regs.vasip_sr_size) { arr_len[SSSR_DIG_BEFORE] = (dhd->sssr_reg_info.vasip_regs.vasip_sr_size); arr_len[SSSR_DIG_AFTER] = (dhd->sssr_reg_info.vasip_regs.vasip_sr_size); DHD_ERROR(("%s: arr_len[SSSR_DIG_BEFORE] : %d\n", __FUNCTION__, arr_len[SSSR_DIG_BEFORE])); DHD_ERROR(("%s: arr_len[SSSR_DIG_AFTER] : %d\n", __FUNCTION__, arr_len[SSSR_DIG_AFTER])); #ifdef DHD_LOG_DUMP if (dhd->sssr_dig_buf_before) { dhd_print_buf_addr(dhd, "SSSR_DIG_BEFORE", dhd->sssr_dig_buf_before, arr_len[SSSR_DIG_BEFORE]); } if (dhd->sssr_dig_buf_after) { dhd_print_buf_addr(dhd, "SSSR_DIG_AFTER", dhd->sssr_dig_buf_after, arr_len[SSSR_DIG_AFTER]); } #endif /* DHD_LOG_DUMP */ } else if ((dhd->sssr_reg_info.length > OFFSETOF(sssr_reg_info_v1_t, dig_mem_info)) && dhd->sssr_reg_info.dig_mem_info.dig_sr_addr) { arr_len[SSSR_DIG_BEFORE] = (dhd->sssr_reg_info.dig_mem_info.dig_sr_size); arr_len[SSSR_DIG_AFTER] = (dhd->sssr_reg_info.dig_mem_info.dig_sr_size); DHD_ERROR(("%s: arr_len[SSSR_DIG_BEFORE] : %d\n", __FUNCTION__, arr_len[SSSR_DIG_BEFORE])); DHD_ERROR(("%s: arr_len[SSSR_DIG_AFTER] : %d\n", __FUNCTION__, arr_len[SSSR_DIG_AFTER])); #ifdef DHD_LOG_DUMP if (dhd->sssr_dig_buf_before) { dhd_print_buf_addr(dhd, "SSSR_DIG_BEFORE", dhd->sssr_dig_buf_before, arr_len[SSSR_DIG_BEFORE]); } if (dhd->sssr_dig_buf_after) { dhd_print_buf_addr(dhd, "SSSR_DIG_AFTER", dhd->sssr_dig_buf_after, arr_len[SSSR_DIG_AFTER]); } #endif /* DHD_LOG_DUMP */ } return BCME_OK; } void dhd_nla_put_sssr_dump_len(void *ndev, uint32 *arr_len) { dhd_info_t *dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)ndev); dhd_pub_t *dhdp = &dhd_info->pub; if (dhdp->sssr_dump_collected) { dhdpcie_sssr_dump_get_before_after_len(dhdp, arr_len); } } #endif /* DHD_SSSR_DUMP */ uint32 dhd_get_time_str_len() { char *ts = NULL, time_str[128]; ts = dhd_log_dump_get_timestamp(); snprintf(time_str, sizeof(time_str), "\n\n ========== LOG DUMP TAKEN AT : %s =========\n", ts); return strlen(time_str); } #if defined(BCMPCIE) uint32 dhd_get_ext_trap_len(void *ndev, dhd_pub_t *dhdp) { int length = 0; log_dump_section_hdr_t sec_hdr; dhd_info_t *dhd_info; if (ndev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)ndev); dhdp = &dhd_info->pub; } if (!dhdp) return length; if (dhdp->extended_trap_data) { length = (strlen(EXT_TRAP_LOG_HDR) + sizeof(sec_hdr) + BCMPCIE_EXT_TRAP_DATA_MAXLEN); } return length; } #endif #if defined(DHD_FW_COREDUMP) && defined(DNGL_EVENT_SUPPORT) uint32 dhd_get_health_chk_len(void *ndev, dhd_pub_t *dhdp) { int length = 0; log_dump_section_hdr_t sec_hdr; dhd_info_t *dhd_info; if (ndev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)ndev); dhdp = &dhd_info->pub; } if (!dhdp) return length; if (dhdp->memdump_type == DUMP_TYPE_DONGLE_HOST_EVENT) { length = (strlen(HEALTH_CHK_LOG_HDR) + sizeof(sec_hdr) + HEALTH_CHK_BUF_SIZE); } return length; } #endif /* DHD_FW_COREDUMP && DNGL_EVENT_SUPPORT */ uint32 dhd_get_dhd_dump_len(void *ndev, dhd_pub_t *dhdp) { int length = 0; log_dump_section_hdr_t sec_hdr; dhd_info_t *dhd_info; uint32 remain_len = 0; if (ndev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)ndev); dhdp = &dhd_info->pub; } if (!dhdp) return length; if (dhdp->concise_dbg_buf) { remain_len = dhd_dump(dhdp, (char *)dhdp->concise_dbg_buf, CONCISE_DUMP_BUFLEN); if (remain_len <= 0) { DHD_ERROR(("%s: error getting concise debug info !\n", __FUNCTION__)); return length; } length = (strlen(DHD_DUMP_LOG_HDR) + sizeof(sec_hdr) + (CONCISE_DUMP_BUFLEN - remain_len)); } return length; } uint32 dhd_get_cookie_log_len(void *ndev, dhd_pub_t *dhdp) { int length = 0; dhd_info_t *dhd_info; if (ndev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)ndev); dhdp = &dhd_info->pub; } if (!dhdp) return length; if (dhdp->logdump_cookie && dhd_logdump_cookie_count(dhdp) > 0) { length = dhd_log_dump_cookie_len(dhdp); } return length; } #ifdef DHD_DUMP_PCIE_RINGS uint32 dhd_get_flowring_len(void *ndev, dhd_pub_t *dhdp) { int length = 0; log_dump_section_hdr_t sec_hdr; dhd_info_t *dhd_info; uint16 h2d_flowrings_total; uint32 remain_len = 0; if (ndev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)ndev); dhdp = &dhd_info->pub; } if (!dhdp) return length; if (dhdp->concise_dbg_buf) { remain_len = dhd_dump(dhdp, (char *)dhdp->concise_dbg_buf, CONCISE_DUMP_BUFLEN); if (remain_len <= 0) { DHD_ERROR(("%s: error getting concise debug info !\n", __FUNCTION__)); return length; } } length += strlen(FLOWRING_DUMP_HDR); length += CONCISE_DUMP_BUFLEN - remain_len; length += sizeof(sec_hdr); h2d_flowrings_total = dhd_get_max_flow_rings(dhdp); length += ((H2DRING_TXPOST_ITEMSIZE * H2DRING_TXPOST_MAX_ITEM * h2d_flowrings_total) + (D2HRING_TXCMPLT_ITEMSIZE * D2HRING_TXCMPLT_MAX_ITEM) + (H2DRING_RXPOST_ITEMSIZE * H2DRING_RXPOST_MAX_ITEM) + (D2HRING_RXCMPLT_ITEMSIZE * D2HRING_RXCMPLT_MAX_ITEM) + (H2DRING_CTRL_SUB_ITEMSIZE * H2DRING_CTRL_SUB_MAX_ITEM) + (D2HRING_CTRL_CMPLT_ITEMSIZE * D2HRING_CTRL_CMPLT_MAX_ITEM) #ifdef EWP_EDL + (D2HRING_EDL_HDR_SIZE * D2HRING_EDL_MAX_ITEM)); #else + (H2DRING_INFO_BUFPOST_ITEMSIZE * H2DRING_DYNAMIC_INFO_MAX_ITEM) + (D2HRING_INFO_BUFCMPLT_ITEMSIZE * D2HRING_DYNAMIC_INFO_MAX_ITEM)); #endif /* EWP_EDL */ return length; } #endif /* DHD_DUMP_PCIE_RINGS */ #ifdef EWP_ECNTRS_LOGGING uint32 dhd_get_ecntrs_len(void *ndev, dhd_pub_t *dhdp) { dhd_info_t *dhd_info; log_dump_section_hdr_t sec_hdr; int length = 0; dhd_dbg_ring_t *ring; if (ndev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)ndev); dhdp = &dhd_info->pub; } if (!dhdp) return length; if (logdump_ecntr_enable && dhdp->ecntr_dbg_ring) { ring = (dhd_dbg_ring_t *)dhdp->ecntr_dbg_ring; length = ring->ring_size + strlen(ECNTRS_LOG_HDR) + sizeof(sec_hdr); } return length; } #endif /* EWP_ECNTRS_LOGGING */ #ifdef EWP_RTT_LOGGING uint32 dhd_get_rtt_len(void *ndev, dhd_pub_t *dhdp) { dhd_info_t *dhd_info; log_dump_section_hdr_t sec_hdr; int length = 0; dhd_dbg_ring_t *ring; if (ndev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)ndev); dhdp = &dhd_info->pub; } if (!dhdp) return length; if (logdump_rtt_enable && dhdp->rtt_dbg_ring) { ring = (dhd_dbg_ring_t *)dhdp->rtt_dbg_ring; length = ring->ring_size + strlen(RTT_LOG_HDR) + sizeof(sec_hdr); } return length; } #endif /* EWP_RTT_LOGGING */ int dhd_get_dld_log_dump(void *dev, dhd_pub_t *dhdp, const void *user_buf, void *fp, uint32 len, int type, void *pos) { int ret = BCME_OK; struct dhd_log_dump_buf *dld_buf; log_dump_section_hdr_t sec_hdr; dhd_info_t *dhd_info; dld_buf = &g_dld_buf[type]; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } else if (!dhdp) { return BCME_ERROR; } DHD_ERROR(("%s: ENTER \n", __FUNCTION__)); dhd_init_sec_hdr(&sec_hdr); /* write the section header first */ ret = dhd_export_debug_data(dld_hdrs[type].hdr_str, fp, user_buf, strlen(dld_hdrs[type].hdr_str), pos); if (ret < 0) goto exit; len -= (uint32)strlen(dld_hdrs[type].hdr_str); len -= (uint32)sizeof(sec_hdr); sec_hdr.type = dld_hdrs[type].sec_type; sec_hdr.length = len; ret = dhd_export_debug_data((char *)&sec_hdr, fp, user_buf, sizeof(sec_hdr), pos); if (ret < 0) goto exit; ret = dhd_export_debug_data(dld_buf->buffer, fp, user_buf, len, pos); if (ret < 0) goto exit; exit: return ret; } static int dhd_log_flush(dhd_pub_t *dhdp, log_dump_type_t *type) { unsigned long flags = 0; #ifdef EWP_EDL int i = 0; #endif /* EWP_EDL */ dhd_info_t *dhd_info = NULL; /* if dhdp is null, its extremely unlikely that log dump will be scheduled * so not freeing 'type' here is ok, even if we want to free 'type' * we cannot do so, since 'dhdp->osh' is unavailable * as dhdp is null */ if (!dhdp || !type) { if (dhdp) { DHD_GENERAL_LOCK(dhdp, flags); DHD_BUS_BUSY_CLEAR_IN_LOGDUMP(dhdp); dhd_os_busbusy_wake(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); } return BCME_ERROR; } dhd_info = (dhd_info_t *)dhdp->info; /* in case of trap get preserve logs from ETD */ #if defined(BCMPCIE) && defined(EWP_ETD_PRSRV_LOGS) if (dhdp->dongle_trap_occured && dhdp->extended_trap_data) { dhdpcie_get_etd_preserve_logs(dhdp, (uint8 *)dhdp->extended_trap_data, &dhd_info->event_data); } #endif /* BCMPCIE */ /* flush the event work items to get any fw events/logs * flush_work is a blocking call */ #ifdef SHOW_LOGTRACE #ifdef EWP_EDL if (dhd_info->pub.dongle_edl_support) { /* wait till existing edl items are processed */ dhd_flush_logtrace_process(dhd_info); /* dhd_flush_logtrace_process will ensure the work items in the ring * (EDL ring) from rd to wr are processed. But if wr had * wrapped around, only the work items from rd to ring-end are processed. * So to ensure that the work items at the * beginning of ring are also processed in the wrap around case, call * it twice */ for (i = 0; i < 2; i++) { /* blocks till the edl items are processed */ dhd_flush_logtrace_process(dhd_info); } } else { dhd_flush_logtrace_process(dhd_info); } #else dhd_flush_logtrace_process(dhd_info); #endif /* EWP_EDL */ #endif /* SHOW_LOGTRACE */ return BCME_OK; } int dhd_get_debug_dump_file_name(void *dev, dhd_pub_t *dhdp, char *dump_path, int size) { dhd_info_t *dhd_info; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } if (!dhdp) return BCME_ERROR; memset(dump_path, 0, size); switch (dhdp->debug_dump_subcmd) { case CMD_UNWANTED: snprintf(dump_path, size, "%s", DHD_COMMON_DUMP_PATH DHD_DEBUG_DUMP_TYPE DHD_DUMP_SUBSTR_UNWANTED); break; case CMD_DISCONNECTED: snprintf(dump_path, size, "%s", DHD_COMMON_DUMP_PATH DHD_DEBUG_DUMP_TYPE DHD_DUMP_SUBSTR_DISCONNECTED); break; default: snprintf(dump_path, size, "%s", DHD_COMMON_DUMP_PATH DHD_DEBUG_DUMP_TYPE); } if (!dhdp->logdump_periodic_flush) { get_debug_dump_time(dhdp->debug_dump_time_str); snprintf(dump_path + strlen(dump_path), size - strlen(dump_path), "_%s", dhdp->debug_dump_time_str); } return BCME_OK; } uint32 dhd_get_dld_len(int log_type) { unsigned long wr_size = 0; unsigned long buf_size = 0; unsigned long flags = 0; struct dhd_log_dump_buf *dld_buf; log_dump_section_hdr_t sec_hdr; /* calculate the length of the log */ dld_buf = &g_dld_buf[log_type]; buf_size = (unsigned long)dld_buf->max - (unsigned long)dld_buf->buffer; if (dld_buf->wraparound) { wr_size = buf_size; } else { /* need to hold the lock before accessing 'present' and 'remain' ptrs */ spin_lock_irqsave(&dld_buf->lock, flags); wr_size = (unsigned long)dld_buf->present - (unsigned long)dld_buf->front; spin_unlock_irqrestore(&dld_buf->lock, flags); } return (wr_size + sizeof(sec_hdr) + strlen(dld_hdrs[log_type].hdr_str)); } static void dhd_get_time_str(dhd_pub_t *dhdp, char *time_str, int size) { char *ts = NULL; memset(time_str, 0, size); ts = dhd_log_dump_get_timestamp(); snprintf(time_str, size, "\n\n ========== LOG DUMP TAKEN AT : %s =========\n", ts); } int dhd_print_time_str(const void *user_buf, void *fp, uint32 len, void *pos) { char *ts = NULL; int ret = 0; char time_str[128]; memset_s(time_str, sizeof(time_str), 0, sizeof(time_str)); ts = dhd_log_dump_get_timestamp(); snprintf(time_str, sizeof(time_str), "\n\n ========== LOG DUMP TAKEN AT : %s =========\n", ts); /* write the timestamp hdr to the file first */ ret = dhd_export_debug_data(time_str, fp, user_buf, strlen(time_str), pos); if (ret < 0) { DHD_ERROR(("write file error, err = %d\n", ret)); } return ret; } #if defined(DHD_FW_COREDUMP) && defined(DNGL_EVENT_SUPPORT) int dhd_print_health_chk_data(void *dev, dhd_pub_t *dhdp, const void *user_buf, void *fp, uint32 len, void *pos) { int ret = BCME_OK; log_dump_section_hdr_t sec_hdr; dhd_info_t *dhd_info; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } if (!dhdp) return BCME_ERROR; dhd_init_sec_hdr(&sec_hdr); if (dhdp->memdump_type == DUMP_TYPE_DONGLE_HOST_EVENT) { /* write the section header first */ ret = dhd_export_debug_data(HEALTH_CHK_LOG_HDR, fp, user_buf, strlen(HEALTH_CHK_LOG_HDR), pos); if (ret < 0) goto exit; len -= (uint32)strlen(HEALTH_CHK_LOG_HDR); sec_hdr.type = LOG_DUMP_SECTION_HEALTH_CHK; sec_hdr.length = HEALTH_CHK_BUF_SIZE; ret = dhd_export_debug_data((char *)&sec_hdr, fp, user_buf, sizeof(sec_hdr), pos); if (ret < 0) goto exit; len -= (uint32)sizeof(sec_hdr); /* write the log */ ret = dhd_export_debug_data((char *)dhdp->health_chk_event_data, fp, user_buf, len, pos); if (ret < 0) goto exit; } exit: return ret; } #endif /* DHD_FW_COREDUMP && DNGL_EVENT_SUPPORT */ #ifdef BCMPCIE int dhd_print_ext_trap_data(void *dev, dhd_pub_t *dhdp, const void *user_buf, void *fp, uint32 len, void *pos) { int ret = BCME_OK; log_dump_section_hdr_t sec_hdr; dhd_info_t *dhd_info; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } if (!dhdp) return BCME_ERROR; dhd_init_sec_hdr(&sec_hdr); /* append extended trap data to the file in case of traps */ if (dhdp->dongle_trap_occured && dhdp->extended_trap_data) { /* write the section header first */ ret = dhd_export_debug_data(EXT_TRAP_LOG_HDR, fp, user_buf, strlen(EXT_TRAP_LOG_HDR), pos); if (ret < 0) goto exit; len -= (uint32)strlen(EXT_TRAP_LOG_HDR); sec_hdr.type = LOG_DUMP_SECTION_EXT_TRAP; sec_hdr.length = BCMPCIE_EXT_TRAP_DATA_MAXLEN; ret = dhd_export_debug_data((uint8 *)&sec_hdr, fp, user_buf, sizeof(sec_hdr), pos); if (ret < 0) goto exit; len -= (uint32)sizeof(sec_hdr); /* write the log */ ret = dhd_export_debug_data((uint8 *)dhdp->extended_trap_data, fp, user_buf, len, pos); if (ret < 0) goto exit; } exit: return ret; } #endif /* BCMPCIE */ int dhd_print_dump_data(void *dev, dhd_pub_t *dhdp, const void *user_buf, void *fp, uint32 len, void *pos) { int ret = BCME_OK; log_dump_section_hdr_t sec_hdr; dhd_info_t *dhd_info; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } if (!dhdp) return BCME_ERROR; dhd_init_sec_hdr(&sec_hdr); ret = dhd_export_debug_data(DHD_DUMP_LOG_HDR, fp, user_buf, strlen(DHD_DUMP_LOG_HDR), pos); if (ret < 0) goto exit; len -= (uint32)strlen(DHD_DUMP_LOG_HDR); sec_hdr.type = LOG_DUMP_SECTION_DHD_DUMP; sec_hdr.length = len; ret = dhd_export_debug_data((char *)&sec_hdr, fp, user_buf, sizeof(sec_hdr), pos); if (ret < 0) goto exit; len -= (uint32)sizeof(sec_hdr); if (dhdp->concise_dbg_buf) { dhd_dump(dhdp, (char *)dhdp->concise_dbg_buf, CONCISE_DUMP_BUFLEN); ret = dhd_export_debug_data(dhdp->concise_dbg_buf, fp, user_buf, len, pos); if (ret < 0) goto exit; } exit: return ret; } int dhd_print_cookie_data(void *dev, dhd_pub_t *dhdp, const void *user_buf, void *fp, uint32 len, void *pos) { int ret = BCME_OK; dhd_info_t *dhd_info; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } if (!dhdp) return BCME_ERROR; if (dhdp->logdump_cookie && dhd_logdump_cookie_count(dhdp) > 0) { ret = dhd_log_dump_cookie_to_file(dhdp, fp, user_buf, (unsigned long *)pos); } return ret; } #ifdef DHD_DUMP_PCIE_RINGS int dhd_print_flowring_data(void *dev, dhd_pub_t *dhdp, const void *user_buf, void *fp, uint32 len, void *pos) { log_dump_section_hdr_t sec_hdr; int ret = BCME_OK; uint32 remain_len = 0; dhd_info_t *dhd_info; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } if (!dhdp) return BCME_ERROR; dhd_init_sec_hdr(&sec_hdr); remain_len = dhd_dump(dhdp, (char *)dhdp->concise_dbg_buf, CONCISE_DUMP_BUFLEN); memset(dhdp->concise_dbg_buf, 0, CONCISE_DUMP_BUFLEN); /* write the section header first */ ret = dhd_export_debug_data(FLOWRING_DUMP_HDR, fp, user_buf, strlen(FLOWRING_DUMP_HDR), pos); if (ret < 0) goto exit; /* Write the ring summary */ ret = dhd_export_debug_data(dhdp->concise_dbg_buf, fp, user_buf, (CONCISE_DUMP_BUFLEN - remain_len), pos); if (ret < 0) goto exit; sec_hdr.type = LOG_DUMP_SECTION_FLOWRING; sec_hdr.length = len; ret = dhd_export_debug_data((char *)&sec_hdr, fp, user_buf, sizeof(sec_hdr), pos); if (ret < 0) goto exit; /* write the log */ ret = dhd_d2h_h2d_ring_dump(dhdp, fp, user_buf, (unsigned long *)pos, TRUE); if (ret < 0) goto exit; exit: return ret; } #endif /* DHD_DUMP_PCIE_RINGS */ #ifdef EWP_ECNTRS_LOGGING int dhd_print_ecntrs_data(void *dev, dhd_pub_t *dhdp, const void *user_buf, void *fp, uint32 len, void *pos) { log_dump_section_hdr_t sec_hdr; int ret = BCME_OK; dhd_info_t *dhd_info; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } if (!dhdp) return BCME_ERROR; dhd_init_sec_hdr(&sec_hdr); if (logdump_ecntr_enable && dhdp->ecntr_dbg_ring) { sec_hdr.type = LOG_DUMP_SECTION_ECNTRS; ret = dhd_dump_debug_ring(dhdp, dhdp->ecntr_dbg_ring, user_buf, &sec_hdr, ECNTRS_LOG_HDR, len, LOG_DUMP_SECTION_ECNTRS); } return ret; } #endif /* EWP_ECNTRS_LOGGING */ #ifdef EWP_RTT_LOGGING int dhd_print_rtt_data(void *dev, dhd_pub_t *dhdp, const void *user_buf, void *fp, uint32 len, void *pos) { log_dump_section_hdr_t sec_hdr; int ret = BCME_OK; dhd_info_t *dhd_info; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } if (!dhdp) return BCME_ERROR; dhd_init_sec_hdr(&sec_hdr); if (logdump_rtt_enable && dhdp->rtt_dbg_ring) { ret = dhd_dump_debug_ring(dhdp, dhdp->rtt_dbg_ring, user_buf, &sec_hdr, RTT_LOG_HDR, len, LOG_DUMP_SECTION_RTT); } return ret; } #endif /* EWP_RTT_LOGGING */ #ifdef DHD_STATUS_LOGGING int dhd_print_status_log_data(void *dev, dhd_pub_t *dhdp, const void *user_buf, void *fp, uint32 len, void *pos) { dhd_info_t *dhd_info; if (dev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)dev); dhdp = &dhd_info->pub; } if (!dhdp) { return BCME_ERROR; } return dhd_statlog_write_logdump(dhdp, user_buf, fp, len, pos); } uint32 dhd_get_status_log_len(void *ndev, dhd_pub_t *dhdp) { dhd_info_t *dhd_info; uint32 length = 0; if (ndev) { dhd_info = *(dhd_info_t **)netdev_priv((struct net_device *)ndev); dhdp = &dhd_info->pub; } if (dhdp) { length = dhd_statlog_get_logbuf_len(dhdp); } return length; } #endif /* DHD_STATUS_LOGGING */ void dhd_init_sec_hdr(log_dump_section_hdr_t *sec_hdr) { /* prep the section header */ memset(sec_hdr, 0, sizeof(*sec_hdr)); sec_hdr->magic = LOG_DUMP_MAGIC; sec_hdr->timestamp = local_clock(); } /* Must hold 'dhd_os_logdump_lock' before calling this function ! */ static int do_dhd_log_dump(dhd_pub_t *dhdp, log_dump_type_t *type) { int ret = 0, i = 0; struct file *fp = NULL; mm_segment_t old_fs; loff_t pos = 0; char dump_path[128]; uint32 file_mode; unsigned long flags = 0; size_t log_size = 0; size_t fspace_remain = 0; struct kstat stat; char time_str[128]; unsigned int len = 0; log_dump_section_hdr_t sec_hdr; DHD_ERROR(("%s: ENTER \n", __FUNCTION__)); DHD_GENERAL_LOCK(dhdp, flags); if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhdp)) { DHD_GENERAL_UNLOCK(dhdp, flags); DHD_ERROR(("%s: bus is down! can't collect log dump. \n", __FUNCTION__)); goto exit1; } DHD_BUS_BUSY_SET_IN_LOGDUMP(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); if ((ret = dhd_log_flush(dhdp, type)) < 0) { goto exit1; } /* change to KERNEL_DS address limit */ old_fs = get_fs(); set_fs(KERNEL_DS); dhd_get_debug_dump_file_name(NULL, dhdp, dump_path, sizeof(dump_path)); DHD_ERROR(("debug_dump_path = %s\n", dump_path)); DHD_ERROR(("DHD version: %s\n", dhd_version)); DHD_ERROR(("F/W version: %s\n", fw_version)); dhd_log_dump_buf_addr(dhdp, type); dhd_get_time_str(dhdp, time_str, 128); /* if this is the first time after dhd is loaded, * or, if periodic flush is disabled, clear the log file */ if (!dhdp->logdump_periodic_flush || dhdp->last_file_posn == 0) file_mode = O_CREAT | O_WRONLY | O_SYNC | O_TRUNC; else file_mode = O_CREAT | O_RDWR | O_SYNC; fp = filp_open(dump_path, file_mode, 0664); if (IS_ERR(fp)) { /* If android installed image, try '/data' directory */ #if defined(CONFIG_X86) DHD_ERROR(("%s: File open error on Installed android image, trying /data...\n", __FUNCTION__)); snprintf(dump_path, sizeof(dump_path), "/data/" DHD_DEBUG_DUMP_TYPE); if (!dhdp->logdump_periodic_flush) { snprintf(dump_path + strlen(dump_path), sizeof(dump_path) - strlen(dump_path), "_%s", dhdp->debug_dump_time_str); } fp = filp_open(dump_path, file_mode, 0664); if (IS_ERR(fp)) { ret = PTR_ERR(fp); DHD_ERROR(("open file error, err = %d\n", ret)); goto exit2; } DHD_ERROR(("debug_dump_path = %s\n", dump_path)); #else ret = PTR_ERR(fp); DHD_ERROR(("open file error, err = %d\n", ret)); goto exit2; #endif /* CONFIG_X86 && OEM_ANDROID */ } ret = vfs_stat(dump_path, &stat); if (ret < 0) { DHD_ERROR(("file stat error, err = %d\n", ret)); goto exit2; } /* if some one else has changed the file */ if (dhdp->last_file_posn != 0 && stat.size < dhdp->last_file_posn) { dhdp->last_file_posn = 0; } if (dhdp->logdump_periodic_flush) { log_size = strlen(time_str) + strlen(DHD_DUMP_LOG_HDR) + sizeof(sec_hdr); /* calculate the amount of space required to dump all logs */ for (i = 0; i < DLD_BUFFER_NUM; ++i) { if (*type != DLD_BUF_TYPE_ALL && i != *type) continue; if (g_dld_buf[i].wraparound) { log_size += (unsigned long)g_dld_buf[i].max - (unsigned long)g_dld_buf[i].buffer; } else { spin_lock_irqsave(&g_dld_buf[i].lock, flags); log_size += (unsigned long)g_dld_buf[i].present - (unsigned long)g_dld_buf[i].front; spin_unlock_irqrestore(&g_dld_buf[i].lock, flags); } log_size += strlen(dld_hdrs[i].hdr_str) + sizeof(sec_hdr); if (*type != DLD_BUF_TYPE_ALL && i == *type) break; } ret = generic_file_llseek(fp, dhdp->last_file_posn, SEEK_CUR); if (ret < 0) { DHD_ERROR(("file seek last posn error ! err = %d \n", ret)); goto exit2; } pos = fp->f_pos; /* if the max file size is reached, wrap around to beginning of the file * we're treating the file as a large ring buffer */ fspace_remain = logdump_max_filesize - pos; if (log_size > fspace_remain) { fp->f_pos -= pos; pos = fp->f_pos; } } dhd_print_time_str(0, fp, len, &pos); for (i = 0; i < DLD_BUFFER_NUM; ++i) { if (*type != DLD_BUF_TYPE_ALL && i != *type) continue; len = dhd_get_dld_len(i); dhd_get_dld_log_dump(NULL, dhdp, 0, fp, len, i, &pos); if (*type != DLD_BUF_TYPE_ALL) break; } #ifdef EWP_ECNTRS_LOGGING /* periodic flushing of ecounters is NOT supported */ if (*type == DLD_BUF_TYPE_ALL && logdump_ecntr_enable && dhdp->ecntr_dbg_ring) { dhd_log_dump_ring_to_file(dhdp, dhdp->ecntr_dbg_ring, fp, (unsigned long *)&pos, &sec_hdr, ECNTRS_LOG_HDR, LOG_DUMP_SECTION_ECNTRS); } #endif /* EWP_ECNTRS_LOGGING */ #ifdef DHD_STATUS_LOGGING if (dhdp->statlog) { /* write the statlog */ len = dhd_get_status_log_len(NULL, dhdp); if (len) { if (dhd_print_status_log_data(NULL, dhdp, 0, fp, len, &pos) < 0) { goto exit2; } } } #endif /* DHD_STATUS_LOGGING */ #ifdef EWP_RTT_LOGGING /* periodic flushing of ecounters is NOT supported */ if (*type == DLD_BUF_TYPE_ALL && logdump_rtt_enable && dhdp->rtt_dbg_ring) { dhd_log_dump_ring_to_file(dhdp, dhdp->rtt_dbg_ring, fp, (unsigned long *)&pos, &sec_hdr, RTT_LOG_HDR, LOG_DUMP_SECTION_RTT); } #endif /* EWP_RTT_LOGGING */ #ifdef BCMPCIE len = dhd_get_ext_trap_len(NULL, dhdp); if (len) { if (dhd_print_ext_trap_data(NULL, dhdp, 0, fp, len, &pos) < 0) goto exit2; } #endif /* BCMPCIE */ #if defined(DHD_FW_COREDUMP) && defined(DNGL_EVENT_SUPPORT) len = dhd_get_health_chk_len(NULL, dhdp); if (len) { if (dhd_print_ext_trap_data(NULL, dhdp, 0, fp, len, &pos) < 0) goto exit2; } #endif /* DHD_FW_COREDUMP && DNGL_EVENT_SUPPORT */ len = dhd_get_dhd_dump_len(NULL, dhdp); if (len) { if (dhd_print_dump_data(NULL, dhdp, 0, fp, len, &pos) < 0) goto exit2; } len = dhd_get_cookie_log_len(NULL, dhdp); if (len) { if (dhd_print_cookie_data(NULL, dhdp, 0, fp, len, &pos) < 0) goto exit2; } #ifdef DHD_DUMP_PCIE_RINGS len = dhd_get_flowring_len(NULL, dhdp); if (len) { if (dhd_print_flowring_data(NULL, dhdp, 0, fp, len, &pos) < 0) goto exit2; } #endif // endif if (dhdp->logdump_periodic_flush) { /* store the last position written to in the file for future use */ dhdp->last_file_posn = pos; } exit2: if (!IS_ERR(fp) && fp != NULL) { filp_close(fp, NULL); DHD_ERROR(("%s: Finished writing log dump to file - '%s' \n", __FUNCTION__, dump_path)); } set_fs(old_fs); exit1: if (type) { MFREE(dhdp->osh, type, sizeof(*type)); } DHD_GENERAL_LOCK(dhdp, flags); DHD_BUS_BUSY_CLEAR_IN_LOGDUMP(dhdp); dhd_os_busbusy_wake(dhdp); DHD_GENERAL_UNLOCK(dhdp, flags); #ifdef DHD_DUMP_MNGR if (ret >= 0) { dhd_dump_file_manage_enqueue(dhdp, dump_path, DHD_DEBUG_DUMP_TYPE); } #endif /* DHD_DUMP_MNGR */ return (ret < 0) ? BCME_ERROR : BCME_OK; } #endif /* DHD_LOG_DUMP */ /* This function writes data to the file pointed by fp, OR * copies data to the user buffer sent by upper layer(HAL). */ int dhd_export_debug_data(void *mem_buf, void *fp, const void *user_buf, int buf_len, void *pos) { int ret = BCME_OK; if (fp) { ret = compat_vfs_write(fp, mem_buf, buf_len, (loff_t *)pos); if (ret < 0) { DHD_ERROR(("write file error, err = %d\n", ret)); goto exit; } } else { #ifdef CONFIG_COMPAT #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0)) if (in_compat_syscall()) #else if (is_compat_task()) #endif /* LINUX_VER >= 4.6 */ { void * usr_ptr = compat_ptr((uintptr_t) user_buf); ret = copy_to_user((void *)((uintptr_t)usr_ptr + (*(int *)pos)), mem_buf, buf_len); if (ret) { DHD_ERROR(("failed to copy into user buffer : %d\n", ret)); goto exit; } } else #endif /* CONFIG_COMPAT */ { ret = copy_to_user((void *)((uintptr_t)user_buf + (*(int *)pos)), mem_buf, buf_len); if (ret) { DHD_ERROR(("failed to copy into user buffer : %d\n", ret)); goto exit; } } (*(int *)pos) += buf_len; } exit: return ret; } /* * This call is to get the memdump size so that, * halutil can alloc that much buffer in user space. */ int dhd_os_socram_dump(struct net_device *dev, uint32 *dump_size) { int ret = BCME_OK; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); dhd_pub_t *dhdp = &dhd->pub; if (dhdp->busstate == DHD_BUS_DOWN) { DHD_ERROR(("%s: bus is down\n", __FUNCTION__)); return BCME_ERROR; } if (DHD_BUS_CHECK_SUSPEND_OR_SUSPEND_IN_PROGRESS(dhdp)) { DHD_ERROR(("%s: bus is in suspend(%d) or suspending(0x%x) state, so skip\n", __FUNCTION__, dhdp->busstate, dhdp->dhd_bus_busy_state)); return BCME_ERROR; } ret = dhd_common_socram_dump(dhdp); if (ret == BCME_OK) { *dump_size = dhdp->soc_ram_length; } return ret; } /* * This is to get the actual memdup after getting the memdump size */ int dhd_os_get_socram_dump(struct net_device *dev, char **buf, uint32 *size) { int ret = BCME_OK; int orig_len = 0; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); dhd_pub_t *dhdp = &dhd->pub; if (buf == NULL) return BCME_ERROR; orig_len = *size; if (dhdp->soc_ram) { if (orig_len >= dhdp->soc_ram_length) { *buf = dhdp->soc_ram; *size = dhdp->soc_ram_length; } else { ret = BCME_BUFTOOSHORT; DHD_ERROR(("The length of the buffer is too short" " to save the memory dump with %d\n", dhdp->soc_ram_length)); } } else { DHD_ERROR(("socram_dump is not ready to get\n")); ret = BCME_NOTREADY; } return ret; } int dhd_os_get_version(struct net_device *dev, bool dhd_ver, char **buf, uint32 size) { char *fw_str; if (size == 0) return BCME_BADARG; fw_str = strstr(info_string, "Firmware: "); if (fw_str == NULL) { return BCME_ERROR; } memset(*buf, 0, size); if (dhd_ver) { strncpy(*buf, dhd_version, size - 1); } else { strncpy(*buf, fw_str, size - 1); } return BCME_OK; } #ifdef DNGL_AXI_ERROR_LOGGING int dhd_os_get_axi_error_dump(void *dev, const void *user_buf, uint32 len) { int ret = BCME_OK; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); dhd_pub_t *dhdp = &dhd->pub; loff_t pos = 0; if (user_buf == NULL) { DHD_ERROR(("%s(): user buffer is NULL\n", __FUNCTION__)); return BCME_ERROR; } ret = dhd_export_debug_data((char *)dhdp->axi_err_dump, NULL, user_buf, sizeof(dhd_axi_error_dump_t), &pos); if (ret < 0) { DHD_ERROR(("%s(): fail to dump pktlog, err = %d\n", __FUNCTION__, ret)); return ret; } return ret; } int dhd_os_get_axi_error_dump_size(struct net_device *dev) { int size = -1; size = sizeof(dhd_axi_error_dump_t); if (size < 0) { DHD_ERROR(("%s(): fail to get axi error size, err = %d\n", __FUNCTION__, size)); } return size; } void dhd_os_get_axi_error_filename(struct net_device *dev, char *dump_path, int len) { snprintf(dump_path, len, "%s", DHD_COMMON_DUMP_PATH DHD_DUMP_AXI_ERROR_FILENAME); } #endif /* DNGL_AXI_ERROR_LOGGING */ bool dhd_sta_associated(dhd_pub_t *dhdp, uint32 bssidx, uint8 *mac) { return dhd_find_sta(dhdp, bssidx, mac) ? TRUE : FALSE; } #ifdef DHD_L2_FILTER arp_table_t* dhd_get_ifp_arp_table_handle(dhd_pub_t *dhdp, uint32 bssidx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(bssidx < DHD_MAX_IFS); ifp = dhd->iflist[bssidx]; return ifp->phnd_arp_table; } int dhd_get_parp_status(dhd_pub_t *dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; if (ifp) return ifp->parp_enable; else return FALSE; } /* Set interface specific proxy arp configuration */ int dhd_set_parp_status(dhd_pub_t *dhdp, uint32 idx, int val) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; if (!ifp) return BCME_ERROR; /* At present all 3 variables are being * handled at once */ ifp->parp_enable = val; ifp->parp_discard = val; ifp->parp_allnode = val; /* Flush ARP entries when disabled */ if (val == FALSE) { bcm_l2_filter_arp_table_update(dhdp->osh, ifp->phnd_arp_table, TRUE, NULL, FALSE, dhdp->tickcnt); } return BCME_OK; } bool dhd_parp_discard_is_enabled(dhd_pub_t *dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); return ifp->parp_discard; } bool dhd_parp_allnode_is_enabled(dhd_pub_t *dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); return ifp->parp_allnode; } int dhd_get_dhcp_unicast_status(dhd_pub_t *dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); return ifp->dhcp_unicast; } int dhd_set_dhcp_unicast_status(dhd_pub_t *dhdp, uint32 idx, int val) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); ifp->dhcp_unicast = val; return BCME_OK; } int dhd_get_block_ping_status(dhd_pub_t *dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); return ifp->block_ping; } int dhd_set_block_ping_status(dhd_pub_t *dhdp, uint32 idx, int val) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); ifp->block_ping = val; /* Disable rx_pkt_chain feature for interface if block_ping option is * enabled */ dhd_update_rx_pkt_chainable_state(dhdp, idx); return BCME_OK; } int dhd_get_grat_arp_status(dhd_pub_t *dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); return ifp->grat_arp; } int dhd_set_grat_arp_status(dhd_pub_t *dhdp, uint32 idx, int val) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); ifp->grat_arp = val; return BCME_OK; } int dhd_get_block_tdls_status(dhd_pub_t *dhdp, uint32 idx) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); return ifp->block_tdls; } int dhd_set_block_tdls_status(dhd_pub_t *dhdp, uint32 idx, int val) { dhd_info_t *dhd = dhdp->info; dhd_if_t *ifp; ASSERT(idx < DHD_MAX_IFS); ifp = dhd->iflist[idx]; ASSERT(ifp); ifp->block_tdls = val; return BCME_OK; } #endif /* DHD_L2_FILTER */ #if defined(SET_RPS_CPUS) int dhd_rps_cpus_enable(struct net_device *net, int enable) { dhd_info_t *dhd = DHD_DEV_INFO(net); dhd_if_t *ifp; int ifidx; char * RPS_CPU_SETBUF; ifidx = dhd_net2idx(dhd, net); if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s bad ifidx\n", __FUNCTION__)); return -ENODEV; } if (ifidx == PRIMARY_INF) { if (dhd->pub.op_mode == DHD_FLAG_IBSS_MODE) { DHD_INFO(("%s : set for IBSS.\n", __FUNCTION__)); RPS_CPU_SETBUF = RPS_CPUS_MASK_IBSS; } else { DHD_INFO(("%s : set for BSS.\n", __FUNCTION__)); RPS_CPU_SETBUF = RPS_CPUS_MASK; } } else if (ifidx == VIRTUAL_INF) { DHD_INFO(("%s : set for P2P.\n", __FUNCTION__)); RPS_CPU_SETBUF = RPS_CPUS_MASK_P2P; } else { DHD_ERROR(("%s : Invalid index : %d.\n", __FUNCTION__, ifidx)); return -EINVAL; } ifp = dhd->iflist[ifidx]; if (ifp) { if (enable) { DHD_INFO(("%s : set rps_cpus as [%s]\n", __FUNCTION__, RPS_CPU_SETBUF)); custom_rps_map_set(ifp->net->_rx, RPS_CPU_SETBUF, strlen(RPS_CPU_SETBUF)); } else { custom_rps_map_clear(ifp->net->_rx); } } else { DHD_ERROR(("%s : ifp is NULL!!\n", __FUNCTION__)); return -ENODEV; } return BCME_OK; } int custom_rps_map_set(struct netdev_rx_queue *queue, char *buf, size_t len) { struct rps_map *old_map, *map; cpumask_var_t mask; int err, cpu, i; static DEFINE_SPINLOCK(rps_map_lock); DHD_INFO(("%s : Entered.\n", __FUNCTION__)); if (!alloc_cpumask_var(&mask, GFP_KERNEL)) { DHD_ERROR(("%s : alloc_cpumask_var fail.\n", __FUNCTION__)); return -ENOMEM; } err = bitmap_parse(buf, len, cpumask_bits(mask), nr_cpumask_bits); if (err) { free_cpumask_var(mask); DHD_ERROR(("%s : bitmap_parse fail.\n", __FUNCTION__)); return err; } map = kzalloc(max_t(unsigned int, RPS_MAP_SIZE(cpumask_weight(mask)), L1_CACHE_BYTES), GFP_KERNEL); if (!map) { free_cpumask_var(mask); DHD_ERROR(("%s : map malloc fail.\n", __FUNCTION__)); return -ENOMEM; } i = 0; for_each_cpu(cpu, mask) { map->cpus[i++] = cpu; } if (i) { map->len = i; } else { kfree(map); map = NULL; free_cpumask_var(mask); DHD_ERROR(("%s : mapping cpu fail.\n", __FUNCTION__)); return -1; } spin_lock(&rps_map_lock); old_map = rcu_dereference_protected(queue->rps_map, lockdep_is_held(&rps_map_lock)); rcu_assign_pointer(queue->rps_map, map); spin_unlock(&rps_map_lock); if (map) { static_key_slow_inc(&rps_needed); } if (old_map) { kfree_rcu(old_map, rcu); static_key_slow_dec(&rps_needed); } free_cpumask_var(mask); DHD_INFO(("%s : Done. mapping cpu nummber : %d\n", __FUNCTION__, map->len)); return map->len; } void custom_rps_map_clear(struct netdev_rx_queue *queue) { struct rps_map *map; DHD_INFO(("%s : Entered.\n", __FUNCTION__)); map = rcu_dereference_protected(queue->rps_map, 1); if (map) { RCU_INIT_POINTER(queue->rps_map, NULL); kfree_rcu(map, rcu); DHD_INFO(("%s : rps_cpus map clear.\n", __FUNCTION__)); } } #endif // endif #if defined(ARGOS_NOTIFY_CB) static int argos_status_notifier_wifi_cb(struct notifier_block *notifier, unsigned long speed, void *v); static int argos_status_notifier_p2p_cb(struct notifier_block *notifier, unsigned long speed, void *v); int argos_register_notifier_init(struct net_device *net) { int ret = 0; DHD_INFO(("DHD: %s: \n", __FUNCTION__)); argos_rps_ctrl_data.wlan_primary_netdev = net; argos_rps_ctrl_data.argos_rps_cpus_enabled = 0; if (argos_wifi.notifier_call == NULL) { argos_wifi.notifier_call = argos_status_notifier_wifi_cb; ret = sec_argos_register_notifier(&argos_wifi, ARGOS_WIFI_TABLE_LABEL); if (ret < 0) { DHD_ERROR(("DHD:Failed to register WIFI notifier, ret=%d\n", ret)); goto exit; } } if (argos_p2p.notifier_call == NULL) { argos_p2p.notifier_call = argos_status_notifier_p2p_cb; ret = sec_argos_register_notifier(&argos_p2p, ARGOS_P2P_TABLE_LABEL); if (ret < 0) { DHD_ERROR(("DHD:Failed to register P2P notifier, ret=%d\n", ret)); sec_argos_unregister_notifier(&argos_wifi, ARGOS_WIFI_TABLE_LABEL); goto exit; } } return 0; exit: if (argos_wifi.notifier_call) { argos_wifi.notifier_call = NULL; } if (argos_p2p.notifier_call) { argos_p2p.notifier_call = NULL; } return ret; } int argos_register_notifier_deinit(void) { DHD_INFO(("DHD: %s: \n", __FUNCTION__)); if (argos_rps_ctrl_data.wlan_primary_netdev == NULL) { DHD_ERROR(("DHD: primary_net_dev is null %s: \n", __FUNCTION__)); return -1; } #ifndef DHD_LB custom_rps_map_clear(argos_rps_ctrl_data.wlan_primary_netdev->_rx); #endif /* !DHD_LB */ if (argos_p2p.notifier_call) { sec_argos_unregister_notifier(&argos_p2p, ARGOS_P2P_TABLE_LABEL); argos_p2p.notifier_call = NULL; } if (argos_wifi.notifier_call) { sec_argos_unregister_notifier(&argos_wifi, ARGOS_WIFI_TABLE_LABEL); argos_wifi.notifier_call = NULL; } argos_rps_ctrl_data.wlan_primary_netdev = NULL; argos_rps_ctrl_data.argos_rps_cpus_enabled = 0; return 0; } int argos_status_notifier_wifi_cb(struct notifier_block *notifier, unsigned long speed, void *v) { dhd_info_t *dhd; dhd_pub_t *dhdp; #if defined(ARGOS_NOTIFY_CB) unsigned int pcie_irq = 0; #endif /* ARGOS_NOTIFY_CB */ DHD_INFO(("DHD: %s: speed=%ld\n", __FUNCTION__, speed)); if (argos_rps_ctrl_data.wlan_primary_netdev == NULL) { goto exit; } dhd = DHD_DEV_INFO(argos_rps_ctrl_data.wlan_primary_netdev); if (dhd == NULL) { goto exit; } dhdp = &dhd->pub; if (dhdp == NULL || !dhdp->up) { goto exit; } /* Check if reported TPut value is more than threshold value */ if (speed > RPS_TPUT_THRESHOLD) { if (argos_rps_ctrl_data.argos_rps_cpus_enabled == 0) { /* It does not need to configre rps_cpus * if Load Balance is enabled */ #ifndef DHD_LB int err = 0; if (cpu_online(RPS_CPUS_WLAN_CORE_ID)) { err = custom_rps_map_set( argos_rps_ctrl_data.wlan_primary_netdev->_rx, RPS_CPUS_MASK, strlen(RPS_CPUS_MASK)); } else { DHD_ERROR(("DHD: %s: RPS_Set fail," " Core=%d Offline\n", __FUNCTION__, RPS_CPUS_WLAN_CORE_ID)); err = -1; } if (err < 0) { DHD_ERROR(("DHD: %s: Failed to RPS_CPUs. " "speed=%ld, error=%d\n", __FUNCTION__, speed, err)); } else { #endif /* !DHD_LB */ #if (defined(DHDTCPACK_SUPPRESS) && defined(BCMPCIE)) if (dhdp->tcpack_sup_mode != TCPACK_SUP_HOLD) { DHD_ERROR(("%s : set ack suppress. TCPACK_SUP_ON(%d)\n", __FUNCTION__, TCPACK_SUP_HOLD)); dhd_tcpack_suppress_set(dhdp, TCPACK_SUP_HOLD); } #endif /* DHDTCPACK_SUPPRESS && BCMPCIE */ argos_rps_ctrl_data.argos_rps_cpus_enabled = 1; #ifndef DHD_LB DHD_ERROR(("DHD: %s: Set RPS_CPUs, speed=%ld\n", __FUNCTION__, speed)); } #endif /* !DHD_LB */ } } else { if (argos_rps_ctrl_data.argos_rps_cpus_enabled == 1) { #if (defined(DHDTCPACK_SUPPRESS) && defined(BCMPCIE)) if (dhdp->tcpack_sup_mode != TCPACK_SUP_OFF) { DHD_ERROR(("%s : set ack suppress. TCPACK_SUP_OFF\n", __FUNCTION__)); dhd_tcpack_suppress_set(dhdp, TCPACK_SUP_OFF); } #endif /* DHDTCPACK_SUPPRESS && BCMPCIE */ #ifndef DHD_LB /* It does not need to configre rps_cpus * if Load Balance is enabled */ custom_rps_map_clear(argos_rps_ctrl_data.wlan_primary_netdev->_rx); DHD_ERROR(("DHD: %s: Clear RPS_CPUs, speed=%ld\n", __FUNCTION__, speed)); OSL_SLEEP(DELAY_TO_CLEAR_RPS_CPUS); #endif /* !DHD_LB */ argos_rps_ctrl_data.argos_rps_cpus_enabled = 0; } } exit: return NOTIFY_OK; } int argos_status_notifier_p2p_cb(struct notifier_block *notifier, unsigned long speed, void *v) { DHD_INFO(("DHD: %s: speed=%ld\n", __FUNCTION__, speed)); return argos_status_notifier_wifi_cb(notifier, speed, v); } #endif // endif #ifdef DHD_DEBUG_PAGEALLOC void dhd_page_corrupt_cb(void *handle, void *addr_corrupt, size_t len) { dhd_pub_t *dhdp = (dhd_pub_t *)handle; DHD_ERROR(("%s: Got dhd_page_corrupt_cb 0x%p %d\n", __FUNCTION__, addr_corrupt, (uint32)len)); DHD_OS_WAKE_LOCK(dhdp); prhex("Page Corruption:", addr_corrupt, len); dhd_dump_to_kernelog(dhdp); #if defined(BCMPCIE) && defined(DHD_FW_COREDUMP) /* Load the dongle side dump to host memory and then BUG_ON() */ dhdp->memdump_enabled = DUMP_MEMONLY; dhdp->memdump_type = DUMP_TYPE_MEMORY_CORRUPTION; dhd_bus_mem_dump(dhdp); #endif /* BCMPCIE && DHD_FW_COREDUMP */ DHD_OS_WAKE_UNLOCK(dhdp); } EXPORT_SYMBOL(dhd_page_corrupt_cb); #endif /* DHD_DEBUG_PAGEALLOC */ #if defined(BCMPCIE) && defined(DHD_PKTID_AUDIT_ENABLED) void dhd_pktid_error_handler(dhd_pub_t *dhdp) { DHD_ERROR(("%s: Got Pkt Id Audit failure \n", __FUNCTION__)); DHD_OS_WAKE_LOCK(dhdp); dhd_dump_to_kernelog(dhdp); #ifdef DHD_FW_COREDUMP /* Load the dongle side dump to host memory */ if (dhdp->memdump_enabled == DUMP_DISABLED) { dhdp->memdump_enabled = DUMP_MEMFILE; } dhdp->memdump_type = DUMP_TYPE_PKTID_AUDIT_FAILURE; dhd_bus_mem_dump(dhdp); #endif /* DHD_FW_COREDUMP */ dhdp->hang_reason = HANG_REASON_PCIE_PKTID_ERROR; dhd_os_check_hang(dhdp, 0, -EREMOTEIO); DHD_OS_WAKE_UNLOCK(dhdp); } #endif /* BCMPCIE && DHD_PKTID_AUDIT_ENABLED */ struct net_device * dhd_linux_get_primary_netdev(dhd_pub_t *dhdp) { dhd_info_t *dhd = dhdp->info; if (dhd->iflist[0] && dhd->iflist[0]->net) return dhd->iflist[0]->net; else return NULL; } fw_download_status_t dhd_fw_download_status(dhd_pub_t * dhd_pub) { return dhd_pub->fw_download_status; } static int dhd_create_to_notifier_skt(void) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) /* Kernel 3.7 onwards this API accepts only 3 arguments. */ /* Kernel version 3.6 is a special case which accepts 4 arguments */ nl_to_event_sk = netlink_kernel_create(&init_net, BCM_NL_USER, &dhd_netlink_cfg); #elif (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) /* Kernel version 3.5 and below use this old API format */ nl_to_event_sk = netlink_kernel_create(&init_net, BCM_NL_USER, 0, dhd_process_daemon_msg, NULL, THIS_MODULE); #else nl_to_event_sk = netlink_kernel_create(&init_net, BCM_NL_USER, THIS_MODULE, &dhd_netlink_cfg); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)) */ if (!nl_to_event_sk) { printf("Error creating socket.\n"); return -1; } DHD_INFO(("nl_to socket created successfully...\n")); return 0; } void dhd_destroy_to_notifier_skt(void) { DHD_INFO(("Destroying nl_to socket\n")); netlink_kernel_release(nl_to_event_sk); } static void dhd_recv_msg_from_daemon(struct sk_buff *skb) { struct nlmsghdr *nlh; bcm_to_info_t *cmd; nlh = (struct nlmsghdr *)skb->data; cmd = (bcm_to_info_t *)nlmsg_data(nlh); if ((cmd->magic == BCM_TO_MAGIC) && (cmd->reason == REASON_DAEMON_STARTED)) { sender_pid = ((struct nlmsghdr *)(skb->data))->nlmsg_pid; DHD_INFO(("DHD Daemon Started\n")); } } int dhd_send_msg_to_daemon(struct sk_buff *skb, void *data, int size) { struct nlmsghdr *nlh; struct sk_buff *skb_out; int ret = BCME_ERROR; BCM_REFERENCE(skb); if (sender_pid == 0) { DHD_INFO(("Invalid PID 0\n")); skb_out = NULL; goto err; } if ((skb_out = nlmsg_new(size, 0)) == NULL) { DHD_ERROR(("%s: skb alloc failed\n", __FUNCTION__)); ret = BCME_NOMEM; goto err; } nlh = nlmsg_put(skb_out, 0, 0, NLMSG_DONE, size, 0); if (nlh == NULL) { DHD_ERROR(("%s: nlmsg_put failed\n", __FUNCTION__)); goto err; } NETLINK_CB(skb_out).dst_group = 0; /* Unicast */ (void)memcpy_s(nlmsg_data(nlh), size, (char *)data, size); if ((ret = nlmsg_unicast(nl_to_event_sk, skb_out, sender_pid)) < 0) { DHD_ERROR(("Error sending message, ret:%d\n", ret)); /* skb is already freed inside nlmsg_unicast() on error case */ /* explicitly making skb_out to NULL to avoid double free */ skb_out = NULL; goto err; } return BCME_OK; err: if (skb_out) { nlmsg_free(skb_out); } return ret; } static void dhd_process_daemon_msg(struct sk_buff *skb) { bcm_to_info_t to_info; to_info.magic = BCM_TO_MAGIC; to_info.reason = REASON_DAEMON_STARTED; to_info.trap = NO_TRAP; dhd_recv_msg_from_daemon(skb); dhd_send_msg_to_daemon(skb, &to_info, sizeof(to_info)); } #ifdef DHD_LOG_DUMP bool dhd_log_dump_ecntr_enabled(void) { return (bool)logdump_ecntr_enable; } bool dhd_log_dump_rtt_enabled(void) { return (bool)logdump_rtt_enable; } void dhd_log_dump_init(dhd_pub_t *dhd) { struct dhd_log_dump_buf *dld_buf, *dld_buf_special; int i = 0; uint8 *prealloc_buf = NULL, *bufptr = NULL; #if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) int prealloc_idx = DHD_PREALLOC_DHD_LOG_DUMP_BUF; #endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */ int ret; dhd_dbg_ring_t *ring = NULL; unsigned long flags = 0; dhd_info_t *dhd_info = dhd->info; void *cookie_buf = NULL; BCM_REFERENCE(ret); BCM_REFERENCE(ring); BCM_REFERENCE(flags); /* sanity check */ if (logdump_prsrv_tailsize <= 0 || logdump_prsrv_tailsize > DHD_LOG_DUMP_MAX_TAIL_FLUSH_SIZE) { logdump_prsrv_tailsize = DHD_LOG_DUMP_MAX_TAIL_FLUSH_SIZE; } /* now adjust the preserve log flush size based on the * kernel printk log buffer size */ #ifdef CONFIG_LOG_BUF_SHIFT DHD_ERROR(("%s: kernel log buf size = %uKB; logdump_prsrv_tailsize = %uKB;" " limit prsrv tail size to = %uKB\n", __FUNCTION__, (1 << CONFIG_LOG_BUF_SHIFT)/1024, logdump_prsrv_tailsize/1024, LOG_DUMP_KERNEL_TAIL_FLUSH_SIZE/1024)); if (logdump_prsrv_tailsize > LOG_DUMP_KERNEL_TAIL_FLUSH_SIZE) { logdump_prsrv_tailsize = LOG_DUMP_KERNEL_TAIL_FLUSH_SIZE; } #else DHD_ERROR(("%s: logdump_prsrv_tailsize = %uKB \n", __FUNCTION__, logdump_prsrv_tailsize/1024); #endif /* CONFIG_LOG_BUF_SHIFT */ mutex_init(&dhd_info->logdump_lock); /* initialize log dump buf structures */ memset(g_dld_buf, 0, sizeof(struct dhd_log_dump_buf) * DLD_BUFFER_NUM); /* set the log dump buffer size based on the module_param */ if (logdump_max_bufsize > LOG_DUMP_GENERAL_MAX_BUFSIZE || logdump_max_bufsize <= 0) dld_buf_size[DLD_BUF_TYPE_GENERAL] = LOG_DUMP_GENERAL_MAX_BUFSIZE; else dld_buf_size[DLD_BUF_TYPE_GENERAL] = logdump_max_bufsize; /* pre-alloc the memory for the log buffers & 'special' buffer */ dld_buf_special = &g_dld_buf[DLD_BUF_TYPE_SPECIAL]; #if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) DHD_ERROR(("%s : Try to allocate memory total(%d) special(%d)\n", __FUNCTION__, LOG_DUMP_TOTAL_BUFSIZE, LOG_DUMP_SPECIAL_MAX_BUFSIZE)); prealloc_buf = DHD_OS_PREALLOC(dhd, prealloc_idx++, LOG_DUMP_TOTAL_BUFSIZE); dld_buf_special->buffer = DHD_OS_PREALLOC(dhd, prealloc_idx++, dld_buf_size[DLD_BUF_TYPE_SPECIAL]); #else prealloc_buf = MALLOCZ(dhd->osh, LOG_DUMP_TOTAL_BUFSIZE); dld_buf_special->buffer = MALLOCZ(dhd->osh, dld_buf_size[DLD_BUF_TYPE_SPECIAL]); #endif /* CONFIG_DHD_USE_STATIC_BUF && DHD_USE_STATIC_MEMDUMP */ if (!prealloc_buf) { DHD_ERROR(("Failed to pre-allocate memory for log buffers !\n")); goto fail; } if (!dld_buf_special->buffer) { DHD_ERROR(("Failed to pre-allocate memory for special buffer !\n")); goto fail; } bufptr = prealloc_buf; for (i = 0; i < DLD_BUFFER_NUM; i++) { dld_buf = &g_dld_buf[i]; dld_buf->dhd_pub = dhd; spin_lock_init(&dld_buf->lock); dld_buf->wraparound = 0; if (i != DLD_BUF_TYPE_SPECIAL) { dld_buf->buffer = bufptr; dld_buf->max = (unsigned long)dld_buf->buffer + dld_buf_size[i]; bufptr = (uint8 *)dld_buf->max; } else { dld_buf->max = (unsigned long)dld_buf->buffer + dld_buf_size[i]; } dld_buf->present = dld_buf->front = dld_buf->buffer; dld_buf->remain = dld_buf_size[i]; dld_buf->enable = 1; } #ifdef EWP_ECNTRS_LOGGING /* now use the rest of the pre-alloc'd memory for filter and ecounter log */ dhd->ecntr_dbg_ring = MALLOCZ(dhd->osh, sizeof(dhd_dbg_ring_t)); if (!dhd->ecntr_dbg_ring) goto fail; ring = (dhd_dbg_ring_t *)dhd->ecntr_dbg_ring; ret = dhd_dbg_ring_init(dhd, ring, ECNTR_RING_ID, ECNTR_RING_NAME, LOG_DUMP_ECNTRS_MAX_BUFSIZE, bufptr, TRUE); if (ret != BCME_OK) { DHD_ERROR(("%s: unable to init ecntr ring !\n", __FUNCTION__)); goto fail; } DHD_DBG_RING_LOCK(ring->lock, flags); ring->state = RING_ACTIVE; ring->threshold = 0; DHD_DBG_RING_UNLOCK(ring->lock, flags); bufptr += LOG_DUMP_ECNTRS_MAX_BUFSIZE; #endif /* EWP_ECNTRS_LOGGING */ #ifdef EWP_RTT_LOGGING /* now use the rest of the pre-alloc'd memory for filter and ecounter log */ dhd->rtt_dbg_ring = MALLOCZ(dhd->osh, sizeof(dhd_dbg_ring_t)); if (!dhd->rtt_dbg_ring) goto fail; ring = (dhd_dbg_ring_t *)dhd->rtt_dbg_ring; ret = dhd_dbg_ring_init(dhd, ring, RTT_RING_ID, RTT_RING_NAME, LOG_DUMP_RTT_MAX_BUFSIZE, bufptr, TRUE); if (ret != BCME_OK) { DHD_ERROR(("%s: unable to init ecntr ring !\n", __FUNCTION__)); goto fail; } DHD_DBG_RING_LOCK(ring->lock, flags); ring->state = RING_ACTIVE; ring->threshold = 0; DHD_DBG_RING_UNLOCK(ring->lock, flags); bufptr += LOG_DUMP_RTT_MAX_BUFSIZE; #endif /* EWP_RTT_LOGGING */ /* Concise buffer is used as intermediate buffer for following purposes * a) pull ecounters records temporarily before * writing it to file * b) to store dhd dump data before putting it to file * It should have a size equal to * MAX(largest possible ecntr record, 'dhd dump' data size) */ dhd->concise_dbg_buf = MALLOC(dhd->osh, CONCISE_DUMP_BUFLEN); if (!dhd->concise_dbg_buf) { DHD_ERROR(("%s: unable to alloc mem for concise debug info !\n", __FUNCTION__)); goto fail; } cookie_buf = MALLOC(dhd->osh, LOG_DUMP_COOKIE_BUFSIZE); if (!cookie_buf) { DHD_ERROR(("%s: unable to alloc mem for logdump cookie buffer\n", __FUNCTION__)); goto fail; } ret = dhd_logdump_cookie_init(dhd, cookie_buf, LOG_DUMP_COOKIE_BUFSIZE); if (ret != BCME_OK) { MFREE(dhd->osh, cookie_buf, LOG_DUMP_COOKIE_BUFSIZE); goto fail; } return; fail: if (dhd->logdump_cookie) { dhd_logdump_cookie_deinit(dhd); MFREE(dhd->osh, dhd->logdump_cookie, LOG_DUMP_COOKIE_BUFSIZE); dhd->logdump_cookie = NULL; } if (dhd->concise_dbg_buf) { MFREE(dhd->osh, dhd->concise_dbg_buf, CONCISE_DUMP_BUFLEN); } #ifdef EWP_ECNTRS_LOGGING if (dhd->ecntr_dbg_ring) { ring = (dhd_dbg_ring_t *)dhd->ecntr_dbg_ring; dhd_dbg_ring_deinit(dhd, ring); ring->ring_buf = NULL; ring->ring_size = 0; MFREE(dhd->osh, ring, sizeof(dhd_dbg_ring_t)); dhd->ecntr_dbg_ring = NULL; } #endif /* EWP_ECNTRS_LOGGING */ #ifdef EWP_RTT_LOGGING if (dhd->rtt_dbg_ring) { ring = (dhd_dbg_ring_t *)dhd->rtt_dbg_ring; dhd_dbg_ring_deinit(dhd, ring); ring->ring_buf = NULL; ring->ring_size = 0; MFREE(dhd->osh, ring, sizeof(dhd_dbg_ring_t)); dhd->rtt_dbg_ring = NULL; } #endif /* EWP_RTT_LOGGING */ #if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) if (prealloc_buf) { DHD_OS_PREFREE(dhd, prealloc_buf, LOG_DUMP_TOTAL_BUFSIZE); } if (dld_buf_special->buffer) { DHD_OS_PREFREE(dhd, dld_buf_special->buffer, dld_buf_size[DLD_BUF_TYPE_SPECIAL]); } #else if (prealloc_buf) { MFREE(dhd->osh, prealloc_buf, LOG_DUMP_TOTAL_BUFSIZE); } if (dld_buf_special->buffer) { MFREE(dhd->osh, dld_buf_special->buffer, dld_buf_size[DLD_BUF_TYPE_SPECIAL]); } #endif /* CONFIG_DHD_USE_STATIC_BUF */ for (i = 0; i < DLD_BUFFER_NUM; i++) { dld_buf = &g_dld_buf[i]; dld_buf->enable = 0; dld_buf->buffer = NULL; } mutex_destroy(&dhd_info->logdump_lock); } void dhd_log_dump_deinit(dhd_pub_t *dhd) { struct dhd_log_dump_buf *dld_buf = NULL, *dld_buf_special = NULL; int i = 0; dhd_info_t *dhd_info = dhd->info; dhd_dbg_ring_t *ring = NULL; BCM_REFERENCE(ring); if (dhd->concise_dbg_buf) { MFREE(dhd->osh, dhd->concise_dbg_buf, CONCISE_DUMP_BUFLEN); dhd->concise_dbg_buf = NULL; } if (dhd->logdump_cookie) { dhd_logdump_cookie_deinit(dhd); MFREE(dhd->osh, dhd->logdump_cookie, LOG_DUMP_COOKIE_BUFSIZE); dhd->logdump_cookie = NULL; } #ifdef EWP_ECNTRS_LOGGING if (dhd->ecntr_dbg_ring) { ring = (dhd_dbg_ring_t *)dhd->ecntr_dbg_ring; dhd_dbg_ring_deinit(dhd, ring); ring->ring_buf = NULL; ring->ring_size = 0; MFREE(dhd->osh, ring, sizeof(dhd_dbg_ring_t)); dhd->ecntr_dbg_ring = NULL; } #endif /* EWP_ECNTRS_LOGGING */ #ifdef EWP_RTT_LOGGING if (dhd->rtt_dbg_ring) { ring = (dhd_dbg_ring_t *)dhd->rtt_dbg_ring; dhd_dbg_ring_deinit(dhd, ring); ring->ring_buf = NULL; ring->ring_size = 0; MFREE(dhd->osh, ring, sizeof(dhd_dbg_ring_t)); dhd->rtt_dbg_ring = NULL; } #endif /* EWP_RTT_LOGGING */ /* 'general' buffer points to start of the pre-alloc'd memory */ dld_buf = &g_dld_buf[DLD_BUF_TYPE_GENERAL]; dld_buf_special = &g_dld_buf[DLD_BUF_TYPE_SPECIAL]; #if defined(CONFIG_DHD_USE_STATIC_BUF) && defined(DHD_USE_STATIC_MEMDUMP) if (dld_buf->buffer) { DHD_OS_PREFREE(dhd, dld_buf->buffer, LOG_DUMP_TOTAL_BUFSIZE); } if (dld_buf_special->buffer) { DHD_OS_PREFREE(dhd, dld_buf_special->buffer, dld_buf_size[DLD_BUF_TYPE_SPECIAL]); } #else if (dld_buf->buffer) { MFREE(dhd->osh, dld_buf->buffer, LOG_DUMP_TOTAL_BUFSIZE); } if (dld_buf_special->buffer) { MFREE(dhd->osh, dld_buf_special->buffer, dld_buf_size[DLD_BUF_TYPE_SPECIAL]); } #endif /* CONFIG_DHD_USE_STATIC_BUF */ for (i = 0; i < DLD_BUFFER_NUM; i++) { dld_buf = &g_dld_buf[i]; dld_buf->enable = 0; dld_buf->buffer = NULL; } mutex_destroy(&dhd_info->logdump_lock); } void dhd_log_dump_write(int type, char *binary_data, int binary_len, const char *fmt, ...) { int len = 0; char tmp_buf[DHD_LOG_DUMP_MAX_TEMP_BUFFER_SIZE] = {0, }; va_list args; unsigned long flags = 0; struct dhd_log_dump_buf *dld_buf = NULL; bool flush_log = FALSE; if (type < 0 || type >= DLD_BUFFER_NUM) { DHD_INFO(("%s: Unknown DHD_LOG_DUMP_BUF_TYPE(%d).\n", __FUNCTION__, type)); return; } dld_buf = &g_dld_buf[type]; if (dld_buf->enable != 1) { return; } va_start(args, fmt); len = vsnprintf(tmp_buf, DHD_LOG_DUMP_MAX_TEMP_BUFFER_SIZE, fmt, args); /* Non ANSI C99 compliant returns -1, * ANSI compliant return len >= DHD_LOG_DUMP_MAX_TEMP_BUFFER_SIZE */ va_end(args); if (len < 0) { return; } if (len >= DHD_LOG_DUMP_MAX_TEMP_BUFFER_SIZE) { len = DHD_LOG_DUMP_MAX_TEMP_BUFFER_SIZE - 1; tmp_buf[len] = '\0'; } /* make a critical section to eliminate race conditions */ spin_lock_irqsave(&dld_buf->lock, flags); if (dld_buf->remain < len) { dld_buf->wraparound = 1; dld_buf->present = dld_buf->front; dld_buf->remain = dld_buf_size[type]; /* if wrap around happens, flush the ring buffer to the file */ flush_log = TRUE; } memcpy(dld_buf->present, tmp_buf, len); dld_buf->remain -= len; dld_buf->present += len; spin_unlock_irqrestore(&dld_buf->lock, flags); /* double check invalid memory operation */ ASSERT((unsigned long)dld_buf->present <= dld_buf->max); if (dld_buf->dhd_pub) { dhd_pub_t *dhdp = (dhd_pub_t *)dld_buf->dhd_pub; dhdp->logdump_periodic_flush = logdump_periodic_flush; if (logdump_periodic_flush && flush_log) { log_dump_type_t *flush_type = MALLOCZ(dhdp->osh, sizeof(log_dump_type_t)); if (flush_type) { *flush_type = type; dhd_schedule_log_dump(dld_buf->dhd_pub, flush_type); } } } } char* dhd_log_dump_get_timestamp(void) { static char buf[16]; u64 ts_nsec; unsigned long rem_nsec; ts_nsec = local_clock(); rem_nsec = DIV_AND_MOD_U64_BY_U32(ts_nsec, NSEC_PER_SEC); snprintf(buf, sizeof(buf), "%5lu.%06lu", (unsigned long)ts_nsec, rem_nsec / NSEC_PER_USEC); return buf; } #endif /* DHD_LOG_DUMP */ #ifdef DHD_PCIE_NATIVE_RUNTIMEPM void dhd_flush_rx_tx_wq(dhd_pub_t *dhdp) { dhd_info_t * dhd; if (dhdp) { dhd = dhdp->info; if (dhd) { flush_workqueue(dhd->tx_wq); flush_workqueue(dhd->rx_wq); } } return; } #endif /* DHD_PCIE_NATIVE_RUNTIMEPM */ #ifdef DHD_DEBUG_UART bool dhd_debug_uart_is_running(struct net_device *dev) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (dhd->duart_execute) { return TRUE; } return FALSE; } static void dhd_debug_uart_exec_rd(void *handle, void *event_info, u8 event) { dhd_pub_t *dhdp = handle; dhd_debug_uart_exec(dhdp, "rd"); } static void dhd_debug_uart_exec(dhd_pub_t *dhdp, char *cmd) { int ret; char *argv[] = {DHD_DEBUG_UART_EXEC_PATH, cmd, NULL}; char *envp[] = {"HOME=/", "TERM=linux", "PATH=/sbin:/system/bin", NULL}; #ifdef DHD_FW_COREDUMP if (dhdp->memdump_enabled == DUMP_MEMFILE_BUGON) #endif // endif { if (dhdp->hang_reason == HANG_REASON_PCIE_LINK_DOWN_RC_DETECT || dhdp->hang_reason == HANG_REASON_PCIE_LINK_DOWN_EP_DETECT || #ifdef DHD_FW_COREDUMP dhdp->memdump_success == FALSE || #endif // endif FALSE) { dhdp->info->duart_execute = TRUE; DHD_ERROR(("DHD: %s - execute %s %s\n", __FUNCTION__, DHD_DEBUG_UART_EXEC_PATH, cmd)); ret = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC); DHD_ERROR(("DHD: %s - %s %s ret = %d\n", __FUNCTION__, DHD_DEBUG_UART_EXEC_PATH, cmd, ret)); dhdp->info->duart_execute = FALSE; #ifdef DHD_LOG_DUMP if (dhdp->memdump_type != DUMP_TYPE_BY_SYSDUMP) #endif // endif { BUG_ON(1); } } } } #endif /* DHD_DEBUG_UART */ #if defined(DHD_BLOB_EXISTENCE_CHECK) void dhd_set_blob_support(dhd_pub_t *dhdp, char *fw_path) { struct file *fp; char *filepath = VENDOR_PATH CONFIG_BCMDHD_CLM_PATH; fp = filp_open(filepath, O_RDONLY, 0); if (IS_ERR(fp)) { DHD_ERROR(("%s: ----- blob file doesn't exist (%s) -----\n", __FUNCTION__, filepath)); dhdp->is_blob = FALSE; } else { DHD_ERROR(("%s: ----- blob file exists (%s)-----\n", __FUNCTION__, filepath)); dhdp->is_blob = TRUE; #if defined(CONCATE_BLOB) strncat(fw_path, "_blob", strlen("_blob")); #else BCM_REFERENCE(fw_path); #endif /* SKIP_CONCATE_BLOB */ filp_close(fp, NULL); } } #endif /* DHD_BLOB_EXISTENCE_CHECK */ #if defined(PCIE_FULL_DONGLE) /** test / loopback */ void dmaxfer_free_dmaaddr_handler(void *handle, void *event_info, u8 event) { dmaxref_mem_map_t *dmmap = (dmaxref_mem_map_t *)event_info; dhd_info_t *dhd_info = (dhd_info_t *)handle; if (event != DHD_WQ_WORK_DMA_LB_MEM_REL) { DHD_ERROR(("%s: Unexpected event \n", __FUNCTION__)); return; } if (dhd_info == NULL) { DHD_ERROR(("%s: Invalid dhd_info\n", __FUNCTION__)); return; } if (dmmap == NULL) { DHD_ERROR(("%s: dmmap is null\n", __FUNCTION__)); return; } dmaxfer_free_prev_dmaaddr(&dhd_info->pub, dmmap); } void dhd_schedule_dmaxfer_free(dhd_pub_t *dhdp, dmaxref_mem_map_t *dmmap) { dhd_info_t *dhd_info = dhdp->info; dhd_deferred_schedule_work(dhd_info->dhd_deferred_wq, (void *)dmmap, DHD_WQ_WORK_DMA_LB_MEM_REL, dmaxfer_free_dmaaddr_handler, DHD_WQ_WORK_PRIORITY_LOW); } #endif /* PCIE_FULL_DONGLE */ /* ---------------------------- End of sysfs implementation ------------------------------------- */ #ifdef SET_PCIE_IRQ_CPU_CORE void dhd_set_irq_cpucore(dhd_pub_t *dhdp, int affinity_cmd) { unsigned int pcie_irq = 0; if (!dhdp) { DHD_ERROR(("%s : dhd is NULL\n", __FUNCTION__)); return; } if (!dhdp->bus) { DHD_ERROR(("%s : dhd->bus is NULL\n", __FUNCTION__)); return; } DHD_ERROR(("Enter %s, PCIe affinity cmd=0x%x\n", __FUNCTION__, affinity_cmd)); if (dhdpcie_get_pcieirq(dhdp->bus, &pcie_irq)) { DHD_ERROR(("%s : Can't get interrupt number\n", __FUNCTION__)); return; } /* irq_set_affinity() assign dedicated CPU core PCIe interrupt If dedicated CPU core is not on-line, PCIe interrupt scheduled on CPU core 0 */ switch (affinity_cmd) { case PCIE_IRQ_AFFINITY_OFF: break; case PCIE_IRQ_AFFINITY_BIG_CORE_ANY: #if defined(CONFIG_ARCH_SM8150) irq_set_affinity_hint(pcie_irq, dhdp->info->cpumask_primary); irq_set_affinity(pcie_irq, dhdp->info->cpumask_primary); #else /* Exynos and Others */ irq_set_affinity(pcie_irq, dhdp->info->cpumask_primary); #endif /* CONFIG_ARCH_SM8150 */ break; #if defined(CONFIG_SOC_EXYNOS9810) || defined(CONFIG_SOC_EXYNOS9820) case PCIE_IRQ_AFFINITY_BIG_CORE_EXYNOS: DHD_ERROR(("%s, PCIe IRQ:%u set Core %d\n", __FUNCTION__, pcie_irq, PCIE_IRQ_CPU_CORE)); irq_set_affinity(pcie_irq, cpumask_of(PCIE_IRQ_CPU_CORE)); break; #endif /* CONFIG_SOC_EXYNOS9810 || CONFIG_SOC_EXYNOS9820 */ default: DHD_ERROR(("%s, Unknown PCIe affinity cmd=0x%x\n", __FUNCTION__, affinity_cmd)); } } #endif /* SET_PCIE_IRQ_CPU_CORE */ int dhd_write_file(const char *filepath, char *buf, int buf_len) { struct file *fp = NULL; mm_segment_t old_fs; int ret = 0; /* change to KERNEL_DS address limit */ old_fs = get_fs(); set_fs(KERNEL_DS); /* File is always created. */ fp = filp_open(filepath, O_RDWR | O_CREAT, 0664); if (IS_ERR(fp)) { DHD_ERROR(("%s: Couldn't open file '%s' err %ld\n", __FUNCTION__, filepath, PTR_ERR(fp))); ret = BCME_ERROR; } else { if (fp->f_mode & FMODE_WRITE) { ret = compat_vfs_write(fp, buf, buf_len, &fp->f_pos); if (ret < 0) { DHD_ERROR(("%s: Couldn't write file '%s'\n", __FUNCTION__, filepath)); ret = BCME_ERROR; } else { ret = BCME_OK; } } filp_close(fp, NULL); } /* restore previous address limit */ set_fs(old_fs); return ret; } int dhd_read_file(const char *filepath, char *buf, int buf_len) { struct file *fp = NULL; mm_segment_t old_fs; int ret; /* change to KERNEL_DS address limit */ old_fs = get_fs(); set_fs(KERNEL_DS); fp = filp_open(filepath, O_RDONLY, 0); if (IS_ERR(fp)) { set_fs(old_fs); DHD_ERROR(("%s: File %s doesn't exist\n", __FUNCTION__, filepath)); return BCME_ERROR; } ret = compat_kernel_read(fp, 0, buf, buf_len); filp_close(fp, NULL); /* restore previous address limit */ set_fs(old_fs); /* Return the number of bytes read */ if (ret > 0) { /* Success to read */ ret = 0; } else { DHD_ERROR(("%s: Couldn't read the file %s, ret=%d\n", __FUNCTION__, filepath, ret)); ret = BCME_ERROR; } return ret; } int dhd_write_file_and_check(const char *filepath, char *buf, int buf_len) { int ret; ret = dhd_write_file(filepath, buf, buf_len); if (ret < 0) { return ret; } /* Read the file again and check if the file size is not zero */ memset(buf, 0, buf_len); ret = dhd_read_file(filepath, buf, buf_len); return ret; } #ifdef FILTER_IE int dhd_read_from_file(dhd_pub_t *dhd) { int ret = 0, nread = 0; void *fd; uint8 *buf; NULL_CHECK(dhd, "dhd is NULL", ret); buf = MALLOCZ(dhd->osh, FILE_BLOCK_READ_SIZE); if (!buf) { DHD_ERROR(("error: failed to alllocate buf.\n")); return BCME_NOMEM; } /* open file to read */ fd = dhd_os_open_image1(dhd, FILTER_IE_PATH); if (!fd) { DHD_ERROR(("error: failed to open %s\n", FILTER_IE_PATH)); ret = BCME_EPERM; goto exit; } nread = dhd_os_get_image_block(buf, (FILE_BLOCK_READ_SIZE - 1), fd); if (nread > 0) { buf[nread] = '\0'; if ((ret = dhd_parse_filter_ie(dhd, buf)) < 0) { DHD_ERROR(("error: failed to parse filter ie\n")); } } else { DHD_ERROR(("error: zero length file.failed to read\n")); ret = BCME_ERROR; } dhd_os_close_image1(dhd, fd); exit: if (buf) { MFREE(dhd->osh, buf, FILE_BLOCK_READ_SIZE); buf = NULL; } return ret; } int dhd_get_filter_ie_count(dhd_pub_t *dhdp, uint8* buf) { uint8* pstr = buf; int element_count = 0; if (buf == NULL) { return BCME_ERROR; } while (*pstr != '\0') { if (*pstr == '\n') { element_count++; } pstr++; } /* * New line character must not be present after last line. * To count last line */ element_count++; return element_count; } int dhd_parse_oui(dhd_pub_t *dhd, uint8 *inbuf, uint8 *oui, int len) { uint8 i, j, msb, lsb, oui_len = 0; /* * OUI can vary from 3 bytes to 5 bytes. * While reading from file as ascii input it can * take maximum size of 14 bytes and minumum size of * 8 bytes including ":" * Example 5byte OUI * Example 3byte OUI */ if ((inbuf == NULL) || (len < 8) || (len > 14)) { DHD_ERROR(("error: failed to parse OUI \n")); return BCME_ERROR; } for (j = 0, i = 0; i < len; i += 3, ++j) { if (!bcm_isxdigit(inbuf[i]) || !bcm_isxdigit(inbuf[i + 1])) { DHD_ERROR(("error: invalid OUI format \n")); return BCME_ERROR; } msb = inbuf[i] > '9' ? bcm_toupper(inbuf[i]) - 'A' + 10 : inbuf[i] - '0'; lsb = inbuf[i + 1] > '9' ? bcm_toupper(inbuf[i + 1]) - 'A' + 10 : inbuf[i + 1] - '0'; oui[j] = (msb << 4) | lsb; } /* Size of oui.It can vary from 3/4/5 */ oui_len = j; return oui_len; } int dhd_check_valid_ie(dhd_pub_t *dhdp, uint8* buf, int len) { int i = 0; while (i < len) { if (!bcm_isdigit(buf[i])) { DHD_ERROR(("error: non digit value found in filter_ie \n")); return BCME_ERROR; } i++; } if (bcm_atoi((char*)buf) > 255) { DHD_ERROR(("error: element id cannot be greater than 255 \n")); return BCME_ERROR; } return BCME_OK; } int dhd_parse_filter_ie(dhd_pub_t *dhd, uint8 *buf) { int element_count = 0, i = 0, oui_size = 0, ret = 0; uint16 bufsize, buf_space_left, id = 0, len = 0; uint16 filter_iovsize, all_tlvsize; wl_filter_ie_tlv_t *p_ie_tlv = NULL; wl_filter_ie_iov_v1_t *p_filter_iov = (wl_filter_ie_iov_v1_t *) NULL; char *token = NULL, *ele_token = NULL, *oui_token = NULL, *type = NULL; uint8 data[20]; element_count = dhd_get_filter_ie_count(dhd, buf); DHD_INFO(("total element count %d \n", element_count)); /* Calculate the whole buffer size */ filter_iovsize = sizeof(wl_filter_ie_iov_v1_t) + FILTER_IE_BUFSZ; p_filter_iov = MALLOCZ(dhd->osh, filter_iovsize); if (p_filter_iov == NULL) { DHD_ERROR(("error: failed to allocate %d bytes of memory\n", filter_iovsize)); return BCME_ERROR; } /* setup filter iovar header */ p_filter_iov->version = WL_FILTER_IE_VERSION; p_filter_iov->len = filter_iovsize; p_filter_iov->fixed_length = p_filter_iov->len - FILTER_IE_BUFSZ; p_filter_iov->pktflag = FC_PROBE_REQ; p_filter_iov->option = WL_FILTER_IE_CHECK_SUB_OPTION; /* setup TLVs */ bufsize = filter_iovsize - WL_FILTER_IE_IOV_HDR_SIZE; /* adjust available size for TLVs */ p_ie_tlv = (wl_filter_ie_tlv_t *)&p_filter_iov->tlvs[0]; buf_space_left = bufsize; while ((i < element_count) && (buf != NULL)) { len = 0; /* token contains one line of input data */ token = bcmstrtok((char**)&buf, "\n", NULL); if (token == NULL) { break; } if ((ele_token = bcmstrstr(token, ",")) == NULL) { /* only element id is present */ if (dhd_check_valid_ie(dhd, token, strlen(token)) == BCME_ERROR) { DHD_ERROR(("error: Invalid element id \n")); ret = BCME_ERROR; goto exit; } id = bcm_atoi((char*)token); data[len++] = WL_FILTER_IE_SET; } else { /* oui is present */ ele_token = bcmstrtok(&token, ",", NULL); if ((ele_token == NULL) || (dhd_check_valid_ie(dhd, ele_token, strlen(ele_token)) == BCME_ERROR)) { DHD_ERROR(("error: Invalid element id \n")); ret = BCME_ERROR; goto exit; } id = bcm_atoi((char*)ele_token); data[len++] = WL_FILTER_IE_SET; if ((oui_token = bcmstrstr(token, ",")) == NULL) { oui_size = dhd_parse_oui(dhd, token, &(data[len]), strlen(token)); if (oui_size == BCME_ERROR) { DHD_ERROR(("error: Invalid OUI \n")); ret = BCME_ERROR; goto exit; } len += oui_size; } else { /* type is present */ oui_token = bcmstrtok(&token, ",", NULL); if ((oui_token == NULL) || ((oui_size = dhd_parse_oui(dhd, oui_token, &(data[len]), strlen(oui_token))) == BCME_ERROR)) { DHD_ERROR(("error: Invalid OUI \n")); ret = BCME_ERROR; goto exit; } len += oui_size; if ((type = bcmstrstr(token, ",")) == NULL) { if (dhd_check_valid_ie(dhd, token, strlen(token)) == BCME_ERROR) { DHD_ERROR(("error: Invalid type \n")); ret = BCME_ERROR; goto exit; } data[len++] = bcm_atoi((char*)token); } else { /* subtype is present */ type = bcmstrtok(&token, ",", NULL); if ((type == NULL) || (dhd_check_valid_ie(dhd, type, strlen(type)) == BCME_ERROR)) { DHD_ERROR(("error: Invalid type \n")); ret = BCME_ERROR; goto exit; } data[len++] = bcm_atoi((char*)type); /* subtype is last element */ if ((token == NULL) || (*token == '\0') || (dhd_check_valid_ie(dhd, token, strlen(token)) == BCME_ERROR)) { DHD_ERROR(("error: Invalid subtype \n")); ret = BCME_ERROR; goto exit; } data[len++] = bcm_atoi((char*)token); } } } ret = bcm_pack_xtlv_entry((uint8 **)&p_ie_tlv, &buf_space_left, id, len, data, BCM_XTLV_OPTION_ALIGN32); if (ret != BCME_OK) { DHD_ERROR(("%s : bcm_pack_xtlv_entry() failed ," "status=%d\n", __FUNCTION__, ret)); goto exit; } i++; } if (i == 0) { /* file is empty or first line is blank */ DHD_ERROR(("error: filter_ie file is empty or first line is blank \n")); ret = BCME_ERROR; goto exit; } /* update the iov header, set len to include all TLVs + header */ all_tlvsize = (bufsize - buf_space_left); p_filter_iov->len = htol16(all_tlvsize + WL_FILTER_IE_IOV_HDR_SIZE); ret = dhd_iovar(dhd, 0, "filter_ie", (void *)p_filter_iov, p_filter_iov->len, NULL, 0, TRUE); if (ret != BCME_OK) { DHD_ERROR(("error: IOVAR failed, status=%d\n", ret)); } exit: /* clean up */ if (p_filter_iov) { MFREE(dhd->osh, p_filter_iov, filter_iovsize); p_filter_iov = NULL; } return ret; } #endif /* FILTER_IE */ #ifdef DHD_WAKE_STATUS wake_counts_t* dhd_get_wakecount(dhd_pub_t *dhdp) { #ifdef BCMDBUS return NULL; #else return dhd_bus_get_wakecount(dhdp); #endif /* BCMDBUS */ } #endif /* DHD_WAKE_STATUS */ int dhd_get_random_bytes(uint8 *buf, uint len) { #ifdef BCMPCIE #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0)) int rndlen = get_random_bytes_arch(buf, len); if (rndlen != len) { bzero(buf, len); get_random_bytes(buf, len); } #else get_random_bytes_arch(buf, len); #endif // endif #endif /* BCMPCIE */ return BCME_OK; } #ifdef DHD_ERPOM static void dhd_error_recovery(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; dhd_pub_t *dhdp; int ret = 0; if (!dhd) { DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__)); return; } dhdp = &dhd->pub; if (!(dhd->dhd_state & DHD_ATTACH_STATE_DONE)) { DHD_ERROR(("%s: init not completed, cannot initiate recovery\n", __FUNCTION__)); return; } ret = dhd_bus_perform_flr_with_quiesce(dhdp, dhdp->bus, FALSE); if (ret != BCME_DNGL_DEVRESET) { DHD_ERROR(("%s: dhd_bus_perform_flr_with_quiesce failed with ret: %d," "toggle REG_ON\n", __FUNCTION__, ret)); /* toggle REG_ON */ dhdp->pom_toggle_reg_on(WLAN_FUNC_ID, BY_WLAN_DUE_TO_WLAN); return; } } void dhd_schedule_reset(dhd_pub_t *dhdp) { if (dhdp->enable_erpom) { dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, NULL, DHD_WQ_WORK_ERROR_RECOVERY, dhd_error_recovery, DHD_WQ_WORK_PRIORITY_HIGH); } } #endif /* DHD_ERPOM */ void get_debug_dump_time(char *str) { struct osl_timespec curtime; unsigned long local_time; struct rtc_time tm; if (!strlen(str)) { osl_do_gettimeofday(&curtime); local_time = (u32)(curtime.tv_sec - (sys_tz.tz_minuteswest * DHD_LOG_DUMP_TS_MULTIPLIER_VALUE)); rtc_time_to_tm(local_time, &tm); snprintf(str, DEBUG_DUMP_TIME_BUF_LEN, DHD_LOG_DUMP_TS_FMT_YYMMDDHHMMSSMSMS, tm.tm_year - 100, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(curtime.tv_usec/NSEC_PER_USEC)); } } void clear_debug_dump_time(char *str) { memset(str, 0, DEBUG_DUMP_TIME_BUF_LEN); } void dhd_print_tasklet_status(dhd_pub_t *dhd) { dhd_info_t *dhdinfo; if (!dhd) { DHD_ERROR(("%s : DHD is null\n", __FUNCTION__)); return; } dhdinfo = dhd->info; if (!dhdinfo) { DHD_ERROR(("%s : DHD INFO is null \n", __FUNCTION__)); return; } DHD_ERROR(("DHD Tasklet status : 0x%lx\n", dhdinfo->tasklet.state)); } /* * DHD RING */ #define DHD_RING_ERR_INTERNAL(fmt, ...) DHD_ERROR(("EWPF-" fmt, ##__VA_ARGS__)) #define DHD_RING_TRACE_INTERNAL(fmt, ...) DHD_INFO(("EWPF-" fmt, ##__VA_ARGS__)) #define DHD_RING_ERR(x) DHD_RING_ERR_INTERNAL x #define DHD_RING_TRACE(x) DHD_RING_TRACE_INTERNAL x #define DHD_RING_MAGIC 0x20170910 #define DHD_RING_IDX_INVALID 0xffffffff #define DHD_RING_SYNC_LOCK_INIT(osh) dhd_os_spin_lock_init(osh) #define DHD_RING_SYNC_LOCK_DEINIT(osh, lock) dhd_os_spin_lock_deinit(osh, lock) #define DHD_RING_SYNC_LOCK(lock, flags) (flags) = dhd_os_spin_lock(lock) #define DHD_RING_SYNC_UNLOCK(lock, flags) dhd_os_spin_unlock(lock, flags) typedef struct { uint32 elem_size; uint32 elem_cnt; uint32 write_idx; /* next write index, -1 : not started */ uint32 read_idx; /* next read index, -1 : not start */ /* protected elements during serialization */ int lock_idx; /* start index of locked, element will not be overried */ int lock_count; /* number of locked, from lock idx */ /* saved data elements */ void *elem; } dhd_fixed_ring_info_t; typedef struct { uint32 elem_size; uint32 elem_cnt; uint32 idx; /* -1 : not started */ uint32 rsvd; /* reserved for future use */ /* protected elements during serialization */ atomic_t ring_locked; /* check the overwriting */ uint32 ring_overwrited; /* saved data elements */ void *elem; } dhd_singleidx_ring_info_t; typedef struct { uint32 magic; uint32 type; void *ring_sync; /* spinlock for sync */ union { dhd_fixed_ring_info_t fixed; dhd_singleidx_ring_info_t single; }; } dhd_ring_info_t; uint32 dhd_ring_get_hdr_size(void) { return sizeof(dhd_ring_info_t); } void * dhd_ring_init(dhd_pub_t *dhdp, uint8 *buf, uint32 buf_size, uint32 elem_size, uint32 elem_cnt, uint32 type) { dhd_ring_info_t *ret_ring; if (!buf) { DHD_RING_ERR(("NO RING BUFFER\n")); return NULL; } if (buf_size < dhd_ring_get_hdr_size() + elem_size * elem_cnt) { DHD_RING_ERR(("RING SIZE IS TOO SMALL\n")); return NULL; } if (type != DHD_RING_TYPE_FIXED && type != DHD_RING_TYPE_SINGLE_IDX) { DHD_RING_ERR(("UNSUPPORTED RING TYPE\n")); return NULL; } ret_ring = (dhd_ring_info_t *)buf; ret_ring->type = type; ret_ring->ring_sync = DHD_RING_SYNC_LOCK_INIT(dhdp->osh); ret_ring->magic = DHD_RING_MAGIC; if (type == DHD_RING_TYPE_FIXED) { ret_ring->fixed.read_idx = DHD_RING_IDX_INVALID; ret_ring->fixed.write_idx = DHD_RING_IDX_INVALID; ret_ring->fixed.lock_idx = DHD_RING_IDX_INVALID; ret_ring->fixed.elem = buf + sizeof(dhd_ring_info_t); ret_ring->fixed.elem_size = elem_size; ret_ring->fixed.elem_cnt = elem_cnt; } else { ret_ring->single.idx = DHD_RING_IDX_INVALID; atomic_set(&ret_ring->single.ring_locked, 0); ret_ring->single.ring_overwrited = 0; ret_ring->single.rsvd = 0; ret_ring->single.elem = buf + sizeof(dhd_ring_info_t); ret_ring->single.elem_size = elem_size; ret_ring->single.elem_cnt = elem_cnt; } return ret_ring; } void dhd_ring_deinit(dhd_pub_t *dhdp, void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; if (!ring) { return; } if (ring->magic != DHD_RING_MAGIC) { return; } if (ring->type != DHD_RING_TYPE_FIXED && ring->type != DHD_RING_TYPE_SINGLE_IDX) { return; } DHD_RING_SYNC_LOCK_DEINIT(dhdp->osh, ring->ring_sync); ring->ring_sync = NULL; if (ring->type == DHD_RING_TYPE_FIXED) { dhd_fixed_ring_info_t *fixed = &ring->fixed; memset(fixed->elem, 0, fixed->elem_size * fixed->elem_cnt); fixed->elem_size = fixed->elem_cnt = 0; } else { dhd_singleidx_ring_info_t *single = &ring->single; memset(single->elem, 0, single->elem_size * single->elem_cnt); single->elem_size = single->elem_cnt = 0; } ring->type = 0; ring->magic = 0; } static inline uint32 __dhd_ring_ptr2idx(void *ring, void *ptr, char *sig, uint32 type) { uint32 diff; uint32 ret_idx = (uint32)DHD_RING_IDX_INVALID; uint32 elem_size, elem_cnt; void *elem; if (type == DHD_RING_TYPE_FIXED) { dhd_fixed_ring_info_t *fixed = (dhd_fixed_ring_info_t *)ring; elem_size = fixed->elem_size; elem_cnt = fixed->elem_cnt; elem = fixed->elem; } else if (type == DHD_RING_TYPE_SINGLE_IDX) { dhd_singleidx_ring_info_t *single = (dhd_singleidx_ring_info_t *)ring; elem_size = single->elem_size; elem_cnt = single->elem_cnt; elem = single->elem; } else { DHD_RING_ERR(("UNSUPPORTED RING TYPE %d\n", type)); return ret_idx; } if (ptr < elem) { DHD_RING_ERR(("INVALID POINTER %s:%p, ring->elem:%p\n", sig, ptr, elem)); return ret_idx; } diff = (uint32)((uint8 *)ptr - (uint8 *)elem); if (diff % elem_size != 0) { DHD_RING_ERR(("INVALID POINTER %s:%p, ring->elem:%p\n", sig, ptr, elem)); return ret_idx; } ret_idx = diff / elem_size; if (ret_idx >= elem_cnt) { DHD_RING_ERR(("INVALID POINTER max:%d cur:%d\n", elem_cnt, ret_idx)); } return ret_idx; } /* Sub functions for fixed ring */ /* get counts between two indexes of ring buffer (internal only) */ static inline int __dhd_fixed_ring_get_count(dhd_fixed_ring_info_t *ring, int start, int end) { if (start == DHD_RING_IDX_INVALID || end == DHD_RING_IDX_INVALID) { return 0; } return (ring->elem_cnt + end - start) % ring->elem_cnt + 1; } static inline int __dhd_fixed_ring_get_cur_size(dhd_fixed_ring_info_t *ring) { return __dhd_fixed_ring_get_count(ring, ring->read_idx, ring->write_idx); } static inline void * __dhd_fixed_ring_get_first(dhd_fixed_ring_info_t *ring) { if (ring->read_idx == DHD_RING_IDX_INVALID) { return NULL; } return (uint8 *)ring->elem + (ring->elem_size * ring->read_idx); } static inline void __dhd_fixed_ring_free_first(dhd_fixed_ring_info_t *ring) { uint32 next_idx; if (ring->read_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return; } next_idx = (ring->read_idx + 1) % ring->elem_cnt; if (ring->read_idx == ring->write_idx) { /* Become empty */ ring->read_idx = ring->write_idx = DHD_RING_IDX_INVALID; return; } ring->read_idx = next_idx; return; } static inline void * __dhd_fixed_ring_get_last(dhd_fixed_ring_info_t *ring) { if (ring->read_idx == DHD_RING_IDX_INVALID) { return NULL; } return (uint8 *)ring->elem + (ring->elem_size * ring->write_idx); } static inline void * __dhd_fixed_ring_get_empty(dhd_fixed_ring_info_t *ring) { uint32 tmp_idx; if (ring->read_idx == DHD_RING_IDX_INVALID) { ring->read_idx = ring->write_idx = 0; return (uint8 *)ring->elem; } /* check next index is not locked */ tmp_idx = (ring->write_idx + 1) % ring->elem_cnt; if (ring->lock_idx == tmp_idx) { return NULL; } ring->write_idx = tmp_idx; if (ring->write_idx == ring->read_idx) { /* record is full, drop oldest one */ ring->read_idx = (ring->read_idx + 1) % ring->elem_cnt; } return (uint8 *)ring->elem + (ring->elem_size * ring->write_idx); } static inline void * __dhd_fixed_ring_get_next(dhd_fixed_ring_info_t *ring, void *prev, uint32 type) { uint32 cur_idx; if (ring->read_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return NULL; } cur_idx = __dhd_ring_ptr2idx(ring, prev, "NEXT", type); if (cur_idx >= ring->elem_cnt) { return NULL; } if (cur_idx == ring->write_idx) { /* no more new record */ return NULL; } cur_idx = (cur_idx + 1) % ring->elem_cnt; return (uint8 *)ring->elem + ring->elem_size * cur_idx; } static inline void * __dhd_fixed_ring_get_prev(dhd_fixed_ring_info_t *ring, void *prev, uint32 type) { uint32 cur_idx; if (ring->read_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return NULL; } cur_idx = __dhd_ring_ptr2idx(ring, prev, "PREV", type); if (cur_idx >= ring->elem_cnt) { return NULL; } if (cur_idx == ring->read_idx) { /* no more new record */ return NULL; } cur_idx = (cur_idx + ring->elem_cnt - 1) % ring->elem_cnt; return (uint8 *)ring->elem + ring->elem_size * cur_idx; } static inline void __dhd_fixed_ring_lock(dhd_fixed_ring_info_t *ring, void *first_ptr, void *last_ptr, uint32 type) { uint32 first_idx; uint32 last_idx; uint32 ring_filled_cnt; uint32 tmp_cnt; if (ring->read_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return; } if (first_ptr) { first_idx = __dhd_ring_ptr2idx(ring, first_ptr, "LCK FIRST", type); if (first_idx >= ring->elem_cnt) { return; } } else { first_idx = ring->read_idx; } if (last_ptr) { last_idx = __dhd_ring_ptr2idx(ring, last_ptr, "LCK LAST", type); if (last_idx >= ring->elem_cnt) { return; } } else { last_idx = ring->write_idx; } ring_filled_cnt = __dhd_fixed_ring_get_count(ring, ring->read_idx, ring->write_idx); tmp_cnt = __dhd_fixed_ring_get_count(ring, ring->read_idx, first_idx); if (tmp_cnt > ring_filled_cnt) { DHD_RING_ERR(("LOCK FIRST IS TO EMPTY ELEM: write: %d read: %d cur:%d\n", ring->write_idx, ring->read_idx, first_idx)); return; } tmp_cnt = __dhd_fixed_ring_get_count(ring, ring->read_idx, last_idx); if (tmp_cnt > ring_filled_cnt) { DHD_RING_ERR(("LOCK LAST IS TO EMPTY ELEM: write: %d read: %d cur:%d\n", ring->write_idx, ring->read_idx, last_idx)); return; } ring->lock_idx = first_idx; ring->lock_count = __dhd_fixed_ring_get_count(ring, first_idx, last_idx); return; } static inline void __dhd_fixed_ring_lock_free(dhd_fixed_ring_info_t *ring) { if (ring->read_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return; } ring->lock_idx = DHD_RING_IDX_INVALID; ring->lock_count = 0; return; } static inline void * __dhd_fixed_ring_lock_get_first(dhd_fixed_ring_info_t *ring) { if (ring->read_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return NULL; } if (ring->lock_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("NO LOCK POINT\n")); return NULL; } return (uint8 *)ring->elem + ring->elem_size * ring->lock_idx; } static inline void * __dhd_fixed_ring_lock_get_last(dhd_fixed_ring_info_t *ring) { int lock_last_idx; if (ring->read_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return NULL; } if (ring->lock_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("NO LOCK POINT\n")); return NULL; } lock_last_idx = (ring->lock_idx + ring->lock_count - 1) % ring->elem_cnt; return (uint8 *)ring->elem + ring->elem_size * lock_last_idx; } static inline int __dhd_fixed_ring_lock_get_count(dhd_fixed_ring_info_t *ring) { if (ring->read_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return BCME_ERROR; } if (ring->lock_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("NO LOCK POINT\n")); return BCME_ERROR; } return ring->lock_count; } static inline void __dhd_fixed_ring_lock_free_first(dhd_fixed_ring_info_t *ring) { if (ring->read_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return; } if (ring->lock_idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("NO LOCK POINT\n")); return; } ring->lock_count--; if (ring->lock_count <= 0) { ring->lock_idx = DHD_RING_IDX_INVALID; } else { ring->lock_idx = (ring->lock_idx + 1) % ring->elem_cnt; } return; } static inline void __dhd_fixed_ring_set_read_idx(dhd_fixed_ring_info_t *ring, uint32 idx) { ring->read_idx = idx; } static inline void __dhd_fixed_ring_set_write_idx(dhd_fixed_ring_info_t *ring, uint32 idx) { ring->write_idx = idx; } static inline uint32 __dhd_fixed_ring_get_read_idx(dhd_fixed_ring_info_t *ring) { return ring->read_idx; } static inline uint32 __dhd_fixed_ring_get_write_idx(dhd_fixed_ring_info_t *ring) { return ring->write_idx; } /* Sub functions for single index ring */ static inline void * __dhd_singleidx_ring_get_first(dhd_singleidx_ring_info_t *ring) { uint32 tmp_idx = 0; if (ring->idx == DHD_RING_IDX_INVALID) { return NULL; } if (ring->ring_overwrited) { tmp_idx = (ring->idx + 1) % ring->elem_cnt; } return (uint8 *)ring->elem + (ring->elem_size * tmp_idx); } static inline void * __dhd_singleidx_ring_get_last(dhd_singleidx_ring_info_t *ring) { if (ring->idx == DHD_RING_IDX_INVALID) { return NULL; } return (uint8 *)ring->elem + (ring->elem_size * ring->idx); } static inline void * __dhd_singleidx_ring_get_empty(dhd_singleidx_ring_info_t *ring) { if (ring->idx == DHD_RING_IDX_INVALID) { ring->idx = 0; return (uint8 *)ring->elem; } /* check the lock is held */ if (atomic_read(&ring->ring_locked)) { return NULL; } /* check the index rollover */ if (!ring->ring_overwrited && ring->idx == (ring->elem_cnt - 1)) { ring->ring_overwrited = 1; } ring->idx = (ring->idx + 1) % ring->elem_cnt; return (uint8 *)ring->elem + (ring->elem_size * ring->idx); } static inline void * __dhd_singleidx_ring_get_next(dhd_singleidx_ring_info_t *ring, void *prev, uint32 type) { uint32 cur_idx; if (ring->idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return NULL; } cur_idx = __dhd_ring_ptr2idx(ring, prev, "NEXT", type); if (cur_idx >= ring->elem_cnt) { return NULL; } if (cur_idx == ring->idx) { /* no more new record */ return NULL; } cur_idx = (cur_idx + 1) % ring->elem_cnt; return (uint8 *)ring->elem + ring->elem_size * cur_idx; } static inline void * __dhd_singleidx_ring_get_prev(dhd_singleidx_ring_info_t *ring, void *prev, uint32 type) { uint32 cur_idx; if (ring->idx == DHD_RING_IDX_INVALID) { DHD_RING_ERR(("EMPTY RING\n")); return NULL; } cur_idx = __dhd_ring_ptr2idx(ring, prev, "PREV", type); if (cur_idx >= ring->elem_cnt) { return NULL; } if (!ring->ring_overwrited && cur_idx == 0) { /* no more new record */ return NULL; } cur_idx = (cur_idx + ring->elem_cnt - 1) % ring->elem_cnt; if (ring->ring_overwrited && cur_idx == ring->idx) { /* no more new record */ return NULL; } return (uint8 *)ring->elem + ring->elem_size * cur_idx; } static inline void __dhd_singleidx_ring_whole_lock(dhd_singleidx_ring_info_t *ring) { if (!atomic_read(&ring->ring_locked)) { atomic_set(&ring->ring_locked, 1); } } static inline void __dhd_singleidx_ring_whole_unlock(dhd_singleidx_ring_info_t *ring) { if (atomic_read(&ring->ring_locked)) { atomic_set(&ring->ring_locked, 0); } } /* Get first element : oldest element */ void * dhd_ring_get_first(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; void *ret = NULL; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return NULL; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { ret = __dhd_fixed_ring_get_first(&ring->fixed); } if (ring->type == DHD_RING_TYPE_SINGLE_IDX) { ret = __dhd_singleidx_ring_get_first(&ring->single); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return ret; } /* Free first element : oldest element */ void dhd_ring_free_first(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { __dhd_fixed_ring_free_first(&ring->fixed); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); } void dhd_ring_set_read_idx(void *_ring, uint32 read_idx) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { __dhd_fixed_ring_set_read_idx(&ring->fixed, read_idx); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); } void dhd_ring_set_write_idx(void *_ring, uint32 write_idx) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { __dhd_fixed_ring_set_write_idx(&ring->fixed, write_idx); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); } uint32 dhd_ring_get_read_idx(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; uint32 read_idx = DHD_RING_IDX_INVALID; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return read_idx; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { read_idx = __dhd_fixed_ring_get_read_idx(&ring->fixed); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return read_idx; } uint32 dhd_ring_get_write_idx(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; uint32 write_idx = DHD_RING_IDX_INVALID; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return write_idx; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { write_idx = __dhd_fixed_ring_get_write_idx(&ring->fixed); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return write_idx; } /* Get latest element */ void * dhd_ring_get_last(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; void *ret = NULL; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return NULL; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { ret = __dhd_fixed_ring_get_last(&ring->fixed); } if (ring->type == DHD_RING_TYPE_SINGLE_IDX) { ret = __dhd_singleidx_ring_get_last(&ring->single); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return ret; } /* Get next point can be written * will overwrite which doesn't read * will return NULL if next pointer is locked */ void * dhd_ring_get_empty(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; void *ret = NULL; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return NULL; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { ret = __dhd_fixed_ring_get_empty(&ring->fixed); } if (ring->type == DHD_RING_TYPE_SINGLE_IDX) { ret = __dhd_singleidx_ring_get_empty(&ring->single); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return ret; } void * dhd_ring_get_next(void *_ring, void *cur) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; void *ret = NULL; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return NULL; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { ret = __dhd_fixed_ring_get_next(&ring->fixed, cur, ring->type); } if (ring->type == DHD_RING_TYPE_SINGLE_IDX) { ret = __dhd_singleidx_ring_get_next(&ring->single, cur, ring->type); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return ret; } void * dhd_ring_get_prev(void *_ring, void *cur) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; void *ret = NULL; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return NULL; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { ret = __dhd_fixed_ring_get_prev(&ring->fixed, cur, ring->type); } if (ring->type == DHD_RING_TYPE_SINGLE_IDX) { ret = __dhd_singleidx_ring_get_prev(&ring->single, cur, ring->type); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return ret; } int dhd_ring_get_cur_size(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; int cnt = 0; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return cnt; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { cnt = __dhd_fixed_ring_get_cur_size(&ring->fixed); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return cnt; } /* protect element between lock_ptr and write_idx */ void dhd_ring_lock(void *_ring, void *first_ptr, void *last_ptr) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { __dhd_fixed_ring_lock(&ring->fixed, first_ptr, last_ptr, ring->type); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); } /* free all lock */ void dhd_ring_lock_free(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { __dhd_fixed_ring_lock_free(&ring->fixed); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); } void * dhd_ring_lock_get_first(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; void *ret = NULL; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return NULL; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { ret = __dhd_fixed_ring_lock_get_first(&ring->fixed); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return ret; } void * dhd_ring_lock_get_last(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; void *ret = NULL; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return NULL; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { ret = __dhd_fixed_ring_lock_get_last(&ring->fixed); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return ret; } int dhd_ring_lock_get_count(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; int ret = BCME_ERROR; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return ret; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { ret = __dhd_fixed_ring_lock_get_count(&ring->fixed); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); return ret; } /* free first locked element */ void dhd_ring_lock_free_first(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_FIXED) { __dhd_fixed_ring_lock_free_first(&ring->fixed); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); } void dhd_ring_whole_lock(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_SINGLE_IDX) { __dhd_singleidx_ring_whole_lock(&ring->single); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); } void dhd_ring_whole_unlock(void *_ring) { dhd_ring_info_t *ring = (dhd_ring_info_t *)_ring; unsigned long flags; if (!ring || ring->magic != DHD_RING_MAGIC) { DHD_RING_ERR(("%s :INVALID RING INFO\n", __FUNCTION__)); return; } DHD_RING_SYNC_LOCK(ring->ring_sync, flags); if (ring->type == DHD_RING_TYPE_SINGLE_IDX) { __dhd_singleidx_ring_whole_unlock(&ring->single); } DHD_RING_SYNC_UNLOCK(ring->ring_sync, flags); } #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 19, 0)) #define DHD_VFS_INODE(dir) (dir->d_inode) #else #define DHD_VFS_INODE(dir) d_inode(dir) #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 19, 0) */ #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)) #define DHD_VFS_UNLINK(dir, b, c) vfs_unlink(DHD_VFS_INODE(dir), b) #else #define DHD_VFS_UNLINK(dir, b, c) vfs_unlink(DHD_VFS_INODE(dir), b, c) #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0) */ int dhd_file_delete(char *path) { struct path file_path; int err; struct dentry *dir; err = kern_path(path, 0, &file_path); if (err < 0) { DHD_ERROR(("Failed to get kern-path delete file: %s error: %d\n", path, err)); return err; } if ( #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)) !d_is_file(file_path.dentry) || #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 1, 0)) d_really_is_negative(file_path.dentry) || #endif /* LINUX_VERSION_CODE > KERNEL_VERSION(4, 1, 0) */ #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0) */ FALSE) { err = -EINVAL; } else { dir = dget_parent(file_path.dentry); if (!IS_ERR(dir)) { err = DHD_VFS_UNLINK(dir, file_path.dentry, NULL); dput(dir); } else { err = PTR_ERR(dir); } } path_put(&file_path); if (err < 0) { DHD_ERROR(("Failed to delete file: %s error: %d\n", path, err)); } return err; } #ifdef DHD_DUMP_MNGR static int dhd_dump_file_manage_idx(dhd_dump_file_manage_t *fm_ptr, char *fname) { int i; int fm_idx = -1; for (i = 0; i < DHD_DUMP_TYPE_COUNT_MAX; i++) { if (strlen(fm_ptr->elems[i].type_name) == 0) { fm_idx = i; break; } if (!(strncmp(fname, fm_ptr->elems[i].type_name, strlen(fname)))) { fm_idx = i; break; } } if (fm_idx == -1) { return fm_idx; } if (strlen(fm_ptr->elems[fm_idx].type_name) == 0) { strncpy(fm_ptr->elems[fm_idx].type_name, fname, DHD_DUMP_TYPE_NAME_SIZE); fm_ptr->elems[fm_idx].type_name[DHD_DUMP_TYPE_NAME_SIZE - 1] = '\0'; fm_ptr->elems[fm_idx].file_idx = 0; } return fm_idx; } /* * dhd_dump_file_manage_enqueue - enqueue dump file path * and delete odest file if file count is max. */ void dhd_dump_file_manage_enqueue(dhd_pub_t *dhd, char *dump_path, char *fname) { int fm_idx; int fp_idx; dhd_dump_file_manage_t *fm_ptr; DFM_elem_t *elem; if (!dhd || !dhd->dump_file_manage) { DHD_ERROR(("%s(): dhdp=%p dump_file_manage=%p\n", __FUNCTION__, dhd, (dhd ? dhd->dump_file_manage : NULL))); return; } fm_ptr = dhd->dump_file_manage; /* find file_manage idx */ DHD_INFO(("%s(): fname: %s dump_path: %s\n", __FUNCTION__, fname, dump_path)); if ((fm_idx = dhd_dump_file_manage_idx(fm_ptr, fname)) < 0) { DHD_ERROR(("%s(): Out of file manager entries, fname: %s\n", __FUNCTION__, fname)); return; } elem = &fm_ptr->elems[fm_idx]; fp_idx = elem->file_idx; DHD_INFO(("%s(): fm_idx: %d fp_idx: %d path: %s\n", __FUNCTION__, fm_idx, fp_idx, elem->file_path[fp_idx])); /* delete oldest file */ if (strlen(elem->file_path[fp_idx]) != 0) { if (dhd_file_delete(elem->file_path[fp_idx]) < 0) { DHD_ERROR(("%s(): Failed to delete file: %s\n", __FUNCTION__, elem->file_path[fp_idx])); } else { DHD_ERROR(("%s(): Successed to delete file: %s\n", __FUNCTION__, elem->file_path[fp_idx])); } } /* save dump file path */ strncpy(elem->file_path[fp_idx], dump_path, DHD_DUMP_FILE_PATH_SIZE); elem->file_path[fp_idx][DHD_DUMP_FILE_PATH_SIZE - 1] = '\0'; /* change file index to next file index */ elem->file_idx = (elem->file_idx + 1) % DHD_DUMP_FILE_COUNT_MAX; } #endif /* DHD_DUMP_MNGR */ #ifdef DHD_MAP_LOGGING /* Will be called from SMMU fault handler */ void dhd_smmu_fault_handler(uint32 axid, ulong fault_addr) { dhd_pub_t *dhdp = (dhd_pub_t *)g_dhd_pub; uint32 irq = (uint32)-1; DHD_ERROR(("%s: Trigger SMMU Fault\n", __FUNCTION__)); DHD_ERROR(("%s: axid:0x%x, fault_addr:0x%lx", __FUNCTION__, axid, fault_addr)); dhdp->smmu_fault_occurred = TRUE; #ifdef DNGL_AXI_ERROR_LOGGING dhdp->axi_error = TRUE; dhdp->axi_err_dump->axid = axid; dhdp->axi_err_dump->fault_address = fault_addr; #endif /* DNGL_AXI_ERROR_LOGGING */ /* Disable PCIe IRQ */ dhdpcie_get_pcieirq(dhdp->bus, &irq); if (irq != (uint32)-1) { disable_irq_nosync(irq); } /* Take debug information first */ DHD_OS_WAKE_LOCK(dhdp); dhd_prot_smmu_fault_dump(dhdp); DHD_OS_WAKE_UNLOCK(dhdp); /* Take AXI information if possible */ #ifdef DNGL_AXI_ERROR_LOGGING #ifdef DHD_USE_WQ_FOR_DNGL_AXI_ERROR dhd_axi_error_dispatch(dhdp); #else dhd_axi_error(dhdp); #endif /* DHD_USE_WQ_FOR_DNGL_AXI_ERROR */ #endif /* DNGL_AXI_ERROR_LOGGING */ } EXPORT_SYMBOL(dhd_smmu_fault_handler); #endif /* DHD_MAP_LOGGING */ #ifdef DHD_WIFI_SHUTDOWN void wifi_plat_dev_drv_shutdown(struct platform_device *pdev) { dhd_pub_t *dhd_pub = NULL; dhd_info_t *dhd_info = NULL; dhd_if_t *dhd_if = NULL; DHD_ERROR(("%s enter\n", __FUNCTION__)); dhd_pub = g_dhd_pub; if (dhd_os_check_if_up(dhd_pub)) { dhd_info = (dhd_info_t *)dhd_pub->info; dhd_if = dhd_info->iflist[0]; ASSERT(dhd_if); ASSERT(dhd_if->net); if (dhd_if && dhd_if->net) { dhd_stop(dhd_if->net); } } } #endif /* DHD_WIFI_SHUTDOWN */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)) int compat_kernel_read(struct file *file, loff_t offset, char *addr, unsigned long count) { return (int)kernel_read(file, addr, (size_t)count, &offset); } int compat_vfs_write(struct file *file, char *addr, int count, loff_t *offset) { return (int)kernel_write(file, addr, count, offset); } #else int compat_kernel_read(struct file *file, loff_t offset, char *addr, unsigned long count) { return kernel_read(file, offset, addr, count); } int compat_vfs_write(struct file *file, char *addr, int count, loff_t *offset) { return (int)vfs_write(file, addr, count, offset); } #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)) */ #ifdef DHDTCPSYNC_FLOOD_BLK static void dhd_blk_tsfl_handler(struct work_struct * work) { dhd_if_t *ifp = NULL; dhd_pub_t *dhdp = NULL; /* Ignore compiler warnings due to -Werror=cast-qual */ #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif /* STRICT_GCC_WARNINGS && __GNUC__ */ ifp = container_of(work, dhd_if_t, blk_tsfl_work); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif /* STRICT_GCC_WARNINGS && __GNUC__ */ if (ifp) { dhdp = &ifp->info->pub; if (dhdp) { if ((dhdp->op_mode & DHD_FLAG_P2P_GO_MODE)|| (dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) { DHD_ERROR(("Disassoc due to TCP SYNC FLOOD ATTACK\n")); wl_cfg80211_del_all_sta(ifp->net, WLAN_REASON_UNSPECIFIED); } else if ((dhdp->op_mode & DHD_FLAG_P2P_GC_MODE)|| (dhdp->op_mode & DHD_FLAG_STA_MODE)) { DHD_ERROR(("Diconnect due to TCP SYNC FLOOD ATTACK\n")); wl_cfg80211_disassoc(ifp->net, WLAN_REASON_UNSPECIFIED); } } } } void dhd_reset_tcpsync_info_by_ifp(dhd_if_t *ifp) { ifp->tsync_rcvd = 0; ifp->tsyncack_txed = 0; ifp->last_sync = DIV_U64_BY_U32(OSL_LOCALTIME_NS(), NSEC_PER_SEC); } void dhd_reset_tcpsync_info_by_dev(struct net_device *dev) { dhd_if_t *ifp = NULL; if (dev) { ifp = DHD_DEV_IFP(dev); } if (ifp) { ifp->tsync_rcvd = 0; ifp->tsyncack_txed = 0; ifp->last_sync = DIV_U64_BY_U32(OSL_LOCALTIME_NS(), NSEC_PER_SEC); } } #endif /* DHDTCPSYNC_FLOOD_BLK */ #ifdef DHD_4WAYM4_FAIL_DISCONNECT static void dhd_m4_state_handler(struct work_struct *work) { dhd_if_t *ifp = NULL; /* Ignore compiler warnings due to -Werror=cast-qual */ #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wcast-qual" #endif // endif struct delayed_work *dw = to_delayed_work(work); ifp = container_of(dw, dhd_if_t, m4state_work); #if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) #pragma GCC diagnostic pop #endif // endif if (ifp && ifp->net && (OSL_ATOMIC_READ(ifp->info->pub->osh, &ifp->m4state) == M4_TXFAILED)) { DHD_ERROR(("Disassoc for 4WAY_HANDSHAKE_TIMEOUT at %s\n", ifp->net->name)); wl_cfg80211_disassoc(ifp->net, WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT); } } void dhd_eap_txcomplete(dhd_pub_t *dhdp, void *txp, bool success, int ifidx) { dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); struct ether_header *eh; uint16 type; if (!success) { dhd_prot_hdrpull(dhdp, NULL, txp, NULL, NULL); eh = (struct ether_header *)PKTDATA(dhdp->osh, txp); type = ntoh16(eh->ether_type); if (type == ETHER_TYPE_802_1X) { if (dhd_is_4way_msg((uint8 *)eh) == EAPOL_4WAY_M4) { dhd_if_t *ifp = NULL; ifp = dhd->iflist[ifidx]; if (!ifp || !ifp->net) { return; } DHD_INFO(("%s: M4 TX failed on %d.\n", __FUNCTION__, ifidx)); OSL_ATOMIC_SET(dhdp->osh, &ifp->m4state, M4_TXFAILED); schedule_delayed_work(&ifp->m4state_work, msecs_to_jiffies(MAX_4WAY_TIMEOUT_MS)); } } } } void dhd_cleanup_m4_state_work(dhd_pub_t *dhdp, int ifidx) { dhd_info_t *dhdinfo; dhd_if_t *ifp; if ((ifidx < 0) || (ifidx >= DHD_MAX_IFS)) { DHD_ERROR(("%s: invalid ifidx %d\n", __FUNCTION__, ifidx)); return; } dhdinfo = (dhd_info_t *)(dhdp->info); if (!dhdinfo) { DHD_ERROR(("%s: dhdinfo is NULL\n", __FUNCTION__)); return; } ifp = dhdinfo->iflist[ifidx]; if (ifp) { cancel_delayed_work_sync(&ifp->m4state_work); } } #endif /* DHD_4WAYM4_FAIL_DISCONNECT */ #ifdef DHD_HP2P unsigned long dhd_os_hp2plock(dhd_pub_t *pub) { dhd_info_t *dhd; unsigned long flags = 0; dhd = (dhd_info_t *)(pub->info); if (dhd) { spin_lock_irqsave(&dhd->hp2p_lock, flags); } return flags; } void dhd_os_hp2punlock(dhd_pub_t *pub, unsigned long flags) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); if (dhd) { spin_unlock_irqrestore(&dhd->hp2p_lock, flags); } } #endif /* DHD_HP2P */ #ifdef DNGL_AXI_ERROR_LOGGING static void dhd_axi_error_dump(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = (dhd_info_t *)handle; dhd_pub_t *dhdp = NULL; if (!dhd) { DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__)); goto exit; } dhdp = &dhd->pub; if (!dhdp) { DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__)); goto exit; } /** * First save axi error information to a file * because panic should happen right after this. * After dhd reset, dhd reads the file, and do hang event process * to send axi error stored on the file to Bigdata server */ if (dhdp->axi_err_dump->etd_axi_error_v1.version != HND_EXT_TRAP_AXIERROR_VERSION_1) { DHD_ERROR(("%s: Invalid AXI version: 0x%x\n", __FUNCTION__, dhdp->axi_err_dump->etd_axi_error_v1.version)); } DHD_OS_WAKE_LOCK(dhdp); #ifdef DHD_FW_COREDUMP #ifdef DHD_SSSR_DUMP dhdp->collect_sssr = TRUE; #endif /* DHD_SSSR_DUMP */ DHD_ERROR(("%s: scheduling mem dump.. \n", __FUNCTION__)); dhd_schedule_memdump(dhdp, dhdp->soc_ram, dhdp->soc_ram_length); #endif /* DHD_FW_COREDUMP */ DHD_OS_WAKE_UNLOCK(dhdp); exit: /* Trigger kernel panic after taking necessary dumps */ BUG_ON(1); } void dhd_schedule_axi_error_dump(dhd_pub_t *dhdp, void *type) { DHD_ERROR(("%s: scheduling axi_error_dump.. \n", __FUNCTION__)); dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, type, DHD_WQ_WORK_AXI_ERROR_DUMP, dhd_axi_error_dump, DHD_WQ_WORK_PRIORITY_HIGH); } #endif /* DNGL_AXI_ERROR_LOGGING */ #ifdef BCMPCIE static void dhd_cto_recovery_handler(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; dhd_pub_t *dhdp = NULL; if (!dhd) { DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__)); BUG_ON(1); return; } dhdp = &dhd->pub; dhdpcie_cto_recovery_handler(dhdp); } void dhd_schedule_cto_recovery(dhd_pub_t *dhdp) { DHD_ERROR(("%s: scheduling cto recovery.. \n", __FUNCTION__)); dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, NULL, DHD_WQ_WORK_CTO_RECOVERY, dhd_cto_recovery_handler, DHD_WQ_WORK_PRIORITY_HIGH); } #endif /* BCMPCIE */ #ifdef SUPPORT_SET_TID /* * Set custom TID value for UDP frame based on UID value. * This will be triggered by android private command below. * DRIVER SET_TID * Mode 0(SET_TID_OFF) : Disable changing TID * Mode 1(SET_TID_ALL_UDP) : Change TID for all UDP frames * Mode 2(SET_TID_BASED_ON_UID) : Change TID for UDP frames based on target UID */ void dhd_set_tid_based_on_uid(dhd_pub_t *dhdp, void *pkt) { struct ether_header *eh = NULL; struct sock *sk = NULL; uint8 *pktdata = NULL; uint8 *ip_hdr = NULL; uint8 cur_prio; uint8 prio; uint32 uid; if (dhdp->tid_mode == SET_TID_OFF) { return; } pktdata = (uint8 *)PKTDATA(dhdp->osh, pkt); eh = (struct ether_header *) pktdata; ip_hdr = (uint8 *)eh + ETHER_HDR_LEN; if (IPV4_PROT(ip_hdr) != IP_PROT_UDP) { return; } cur_prio = PKTPRIO(pkt); prio = dhdp->target_tid; uid = dhdp->target_uid; if ((cur_prio == prio) || (cur_prio != PRIO_8021D_BE)) { return; } sk = ((struct sk_buff*)(pkt))->sk; if ((dhdp->tid_mode == SET_TID_ALL_UDP) || (sk && (uid == __kuid_val(sock_i_uid(sk))))) { PKTSETPRIO(pkt, prio); } } #endif /* SUPPORT_SET_TID */ void *dhd_get_pub(struct net_device *dev) { dhd_info_t *dhdinfo = *(dhd_info_t **)netdev_priv(dev); if (dhdinfo) return (void *)&dhdinfo->pub; else { printf("%s: null dhdinfo\n", __FUNCTION__); return NULL; } } void *dhd_get_conf(struct net_device *dev) { dhd_info_t *dhdinfo = *(dhd_info_t **)netdev_priv(dev); if (dhdinfo) return (void *)dhdinfo->pub.conf; else { printf("%s: null dhdinfo\n", __FUNCTION__); return NULL; } } bool dhd_os_wd_timer_enabled(void *bus) { dhd_pub_t *pub = bus; dhd_info_t *dhd = (dhd_info_t *)pub->info; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); if (!dhd) { DHD_ERROR(("%s: dhd NULL\n", __FUNCTION__)); return FALSE; } return dhd->wd_timer_valid; } #if defined(WLDWDS) && defined(FOURADDR_AUTO_BRG) /* This function is to automatically add/del interface to the bridged dev that priamy dev is in */ static void dhd_bridge_dev_set(dhd_info_t *dhd, int ifidx, struct net_device *dev) { struct net_device *primary_ndev = NULL, *br_dev = NULL; int cmd; struct ifreq ifr; /* add new interface to bridge dev */ if (dev) { int found = 0, i; DHD_ERROR(("bssidx %d\n", dhd->pub.info->iflist[ifidx]->bssidx)); for (i = 0 ; i < ifidx; i++) { DHD_ERROR(("bssidx %d %d\n", i, dhd->pub.info->iflist[i]->bssidx)); /* search the primary interface */ if (dhd->pub.info->iflist[i]->bssidx == dhd->pub.info->iflist[ifidx]->bssidx) { primary_ndev = dhd->pub.info->iflist[i]->net; DHD_ERROR(("%dst is primary dev %s\n", i, primary_ndev->name)); found = 1; break; } } if (found == 0) { DHD_ERROR(("Can not find primary dev %s\n", dev->name)); return; } cmd = SIOCBRADDIF; ifr.ifr_ifindex = dev->ifindex; } else { /* del interface from bridge dev */ primary_ndev = dhd->pub.info->iflist[ifidx]->net; cmd = SIOCBRDELIF; ifr.ifr_ifindex = primary_ndev->ifindex; } /* if primary net device is bridged */ if (primary_ndev->priv_flags & IFF_BRIDGE_PORT) { rtnl_lock(); /* get bridge device */ br_dev = netdev_master_upper_dev_get(primary_ndev); if (br_dev) { const struct net_device_ops *ops = br_dev->netdev_ops; DHD_ERROR(("br %s pri %s\n", br_dev->name, primary_ndev->name)); if (ops) { if (cmd == SIOCBRADDIF) { DHD_ERROR(("br call ndo_add_slave\n")); ops->ndo_add_slave(br_dev, dev); /* Also bring wds0.x interface up automatically */ dev_change_flags(dev, dev->flags | IFF_UP); } else { DHD_ERROR(("br call ndo_del_slave\n")); ops->ndo_del_slave(br_dev, primary_ndev); } } } else { DHD_ERROR(("no br dev\n")); } rtnl_unlock(); } else { DHD_ERROR(("device %s is not bridged\n", primary_ndev->name)); } } #endif /* defiend(WLDWDS) && defined(FOURADDR_AUTO_BRG) */