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nt9856x/code/driver/source/net/bcmdhd.100.10.545.x/dhd_linux.c
payton 543d2da268 1.一次S530代码提交
2023-03-28 15:07:53 +08:00

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/*
* 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.
*
*
* <<Broadcom-WL-IPTag/Open:>>
*
* $Id: dhd_linux.c 822756 2019-05-30 13:20:26Z $
*/
#include <typedefs.h>
#include <linuxver.h>
#include <osl.h>
#include <bcmstdlib_s.h>
#ifdef SHOW_LOGTRACE
#include <linux/syscalls.h>
#include <event_log.h>
#endif /* SHOW_LOGTRACE */
#if defined(PCIE_FULL_DONGLE) || defined(SHOW_LOGTRACE)
#include <bcmmsgbuf.h>
#endif /* PCIE_FULL_DONGLE */
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/inetdevice.h>
#include <linux/rtnetlink.h>
#include <linux/etherdevice.h>
#include <linux/random.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/fcntl.h>
#include <linux/fs.h>
#include <linux/ip.h>
#include <linux/reboot.h>
#include <linux/notifier.h>
#include <linux/irq.h>
#include <net/addrconf.h>
#ifdef ENABLE_ADAPTIVE_SCHED
#include <linux/cpufreq.h>
#endif /* ENABLE_ADAPTIVE_SCHED */
#include <linux/rtc.h>
#include <linux/namei.h>
#include <asm/uaccess.h>
#include <asm/unaligned.h>
#include <dhd_linux_priv.h>
#include <epivers.h>
#include <bcmutils.h>
#include <bcmendian.h>
#include <bcmdevs.h>
#include <bcmiov.h>
#include <ethernet.h>
#include <bcmevent.h>
#include <vlan.h>
#include <802.3.h>
#include <dhd_linux_wq.h>
#include <dhd.h>
#include <dhd_linux.h>
#include <dhd_linux_pktdump.h>
#ifdef DHD_WET
#include <dhd_wet.h>
#endif /* DHD_WET */
#ifdef PCIE_FULL_DONGLE
#include <dhd_flowring.h>
#endif // endif
#include <dhd_bus.h>
#include <dhd_proto.h>
#include <dhd_config.h>
#ifdef WL_ESCAN
#include <wl_escan.h>
#endif
#include <dhd_dbg.h>
#include <dhd_dbg_ring.h>
#include <dhd_debug.h>
#ifdef CONFIG_HAS_WAKELOCK
#include <linux/wakelock.h>
#endif // endif
#if defined(WL_CFG80211)
#include <wl_cfg80211.h>
#endif /* WL_CFG80211 */
#ifdef PNO_SUPPORT
#include <dhd_pno.h>
#endif // endif
#ifdef RTT_SUPPORT
#include <dhd_rtt.h>
#endif // endif
#ifdef CSI_SUPPORT
#include <dhd_csi.h>
#endif /* CSI_SUPPORT */
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
#endif // endif
#if defined(CONFIG_SOC_EXYNOS8895) || defined(CONFIG_SOC_EXYNOS9810) || \
defined(CONFIG_SOC_EXYNOS9820)
#include <linux/exynos-pci-ctrl.h>
#endif /* CONFIG_SOC_EXYNOS8895 || CONFIG_SOC_EXYNOS9810 || CONFIG_SOC_EXYNOS9820 */
#ifdef DHD_L2_FILTER
#include <bcmicmp.h>
#include <bcm_l2_filter.h>
#include <dhd_l2_filter.h>
#endif /* DHD_L2_FILTER */
#ifdef DHD_PSTA
#include <dhd_psta.h>
#endif /* DHD_PSTA */
#ifdef AMPDU_VO_ENABLE
#include <802.1d.h>
#endif /* AMPDU_VO_ENABLE */
#if defined(DHDTCPACK_SUPPRESS) || defined(DHDTCPSYNC_FLOOD_BLK)
#include <dhd_ip.h>
#endif /* DHDTCPACK_SUPPRESS || DHDTCPSYNC_FLOOD_BLK */
#include <dhd_daemon.h>
#ifdef DHD_4WAYM4_FAIL_DISCONNECT
#include <eapol.h>
#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 <dhd_linux_nfct.h>
#endif /* WL_NATOE */
#if defined(SOFTAP)
extern bool ap_cfg_running;
extern bool ap_fw_loaded;
#endif // endif
#ifdef FIX_CPU_MIN_CLOCK
#include <linux/pm_qos.h>
#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 <wlfc_proto.h>
#include <dhd_wlfc.h>
#endif // endif
#include <wl_android.h>
/* 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 <linux/suspend.h>
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 <dhd_bus.h>
#ifdef DHD_ULP
#include <dhd_ulp.h>
#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 <wl_iw.h>
extern wl_iw_extra_params_t g_wl_iw_params;
#endif /* defined(WL_WIRELESS_EXT) */
#ifdef CONFIG_PARTIALSUSPEND_SLP
#include <linux/partialsuspend_slp.h>
#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 <linux/earlysuspend.h>
#endif /* defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) */
#endif /* CONFIG_PARTIALSUSPEND_SLP */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
#include <linux/nl80211.h>
#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 <linux/workqueue.h>
#include <linux/pm_runtime.h>
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
#ifdef DHD_DEBUG_UART
#include <linux/kmod.h>
#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_bad>";
}
if (dhd->iflist[ifidx] == NULL) {
DHD_ERROR(("%s: null i/f %d\n", __FUNCTION__, ifidx));
return "<if_null>";
}
if (dhd->iflist[ifidx]->net)
return dhd->iflist[ifidx]->net->name;
return "<if_none>";
}
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|<var len data>| */
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, &param);
}
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, &param);
} else {
if (get_scheduler_policy(current) != SCHED_FIFO) {
param.sched_priority = (prio < MAX_RT_PRIO)? prio : (MAX_RT_PRIO-1);
setScheduler(current, SCHED_FIFO, &param);
}
}
}
#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, &param);
}
#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, &param);
}
#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(&ether_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 *)&ampdu_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 *)&ampdu_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 *)&ampdu_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, &eth.ether_dhost, ETHER_ADDR_LEN);
bcopy(&dhdp->mac, &eth.ether_shost, ETHER_ADDR_LEN);
ETHER_TOGGLE_LOCALADDR(&eth.ether_shost);
eth.ether_type = hton16(ETHER_TYPE_BRCM);
bcopy((void *)&eth, 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 <linux/hashtable.h>
#else
#include <linux/hash.h>
#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 <linux/debugfs.h>
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 <AB:DE:BE:CD:FA>
* Example 3byte OUI <AB:DC:EF>
*/
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:uint8> <Target UID:uint32> <Custom TID:uint8>
* 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) */
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