/* * Broadcom Dongle Host Driver (DHD), Linux-specific network interface * Basically selected code segments from usb-cdc.c and usb-rndis.c * * Copyright (C) 1999-2015, Broadcom Corporation * * Portions contributed by Nvidia * Copyright (C) 2015-2020, NVIDIA Corporation. All rights reserved. * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2 (the "GPL"), * available at http://www.broadcom.com/licenses/GPLv2.php, with the * following added to such license: * * As a special exception, the copyright holders of this software give you * permission to link this software with independent modules, and to copy and * distribute the resulting executable under terms of your choice, provided that * you also meet, for each linked independent module, the terms and conditions of * the license of that module. An independent module is a module which is not * derived from this software. The special exception does not apply to any * modifications of the software. * * Notwithstanding the above, under no circumstances may you combine this * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * * $Id: dhd_linux.c 531927 2015-02-04 14:00:07Z $ */ #include #include "dynamic.h" #include #include #ifdef SHOW_LOGTRACE #include #include #endif /* SHOW_LOGTRACE */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef ENABLE_ADAPTIVE_SCHED #include #endif /* ENABLE_ADAPTIVE_SCHED */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 10, 0)) #include #endif #include #include #include #include #include #include #include #include #include #include #ifdef DHD_L2_FILTER #include #endif #include #include #include #include #include #ifdef PCIE_FULL_DONGLE #include #endif #include #include #include /* Used for the bottom half, so same priority as the other irqthread */ #define DHD_DEFAULT_RT_PRIORITY (MAX_USER_RT_PRIO / 2) #ifdef WL_CFG80211 #include #endif #ifdef P2PONEINT #include #endif #ifdef PNO_SUPPORT #include #endif #ifdef CONFIG_COMPAT #include #endif #ifdef DHD_WMF #include #endif /* DHD_WMF */ #ifdef DHDTCPACK_SUPPRESS #include #endif /* DHDTCPACK_SUPPRESS */ #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA #include "dhd_custom_sysfs_tegra.h" #include "dhd_custom_sysfs_tegra_scan.h" #include "dhd_custom_sysfs_tegra_stat.h" #define RX_CAPTURE(skb)\ {\ TEGRA_SYSFS_HISTOGRAM_WAKE_CNT_INC(skb);\ tegra_sysfs_histogram_tcpdump_rx(skb, __func__, __LINE__);\ }\ #define DPC_CAPTURE(void)\ {\ tegra_sysfs_dpc_pkt();\ } \ #else #define RX_CAPTURE(skb) #define DPC_CAPTURE(void) #endif #ifdef CONFIG_BCMDHD_CUSTOM_NET_PERF_TEGRA #include "dhd_custom_net_perf_tegra.h" #endif #ifdef WLMEDIA_HTSF #include #include #define HTSF_MINLEN 200 /* min. packet length to timestamp */ #define HTSF_BUS_DELAY 150 /* assume a fix propagation in us */ #define TSMAX 1000 /* max no. of timing record kept */ #define NUMBIN 34 static uint32 tsidx = 0; static uint32 htsf_seqnum = 0; uint32 tsfsync; struct timeval tsync; static uint32 tsport = 5010; typedef struct histo_ { uint32 bin[NUMBIN]; } histo_t; #if !ISPOWEROF2(DHD_SDALIGN) #error DHD_SDALIGN is not a power of 2! #endif static histo_t vi_d1, vi_d2, vi_d3, vi_d4; #endif /* WLMEDIA_HTSF */ #if defined(SOFTAP) extern bool ap_cfg_running; extern bool ap_fw_loaded; #endif extern void dhd_dump_eapol_4way_message(int ifidx, char *dump_data, bool direction); #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 BCM_FD_AGGR #include #include #endif #ifdef PROP_TXSTATUS #include #include #endif #include #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) #include #endif /* CUSTOMER_HW20 && WLANAUDIO */ /* 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 */ #ifdef CONFIG_IPV6 static 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 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM) #include volatile bool dhd_mmc_suspend = FALSE; DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM) */ #if defined(OOB_INTR_ONLY) extern void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable); #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) static void dhd_hang_process(void *dhd_info, void *event_data, u8 event); #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) MODULE_LICENSE("GPL and additional rights"); #endif /* LinuxVer */ #include #ifdef BCM_FD_AGGR #define DBUS_RX_BUFFER_SIZE_DHD(net) (BCM_RPC_TP_DNGL_AGG_MAX_BYTE) #else #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 /* BCM_FD_AGGR */ #ifdef PROP_TXSTATUS extern bool dhd_wlfc_skip_fc(void); extern void dhd_wlfc_plat_init(void *dhd); extern void dhd_wlfc_plat_deinit(void *dhd); #endif /* PROP_TXSTATUS */ #ifdef BCMSDIO extern int dhd_slpauto_config(dhd_pub_t *dhd, s32 val); #endif #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15) const char * print_tainted() { return ""; } #endif /* LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15) */ #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) #include #endif /* defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) */ extern int dhd_get_suspend_bcn_li_dtim(dhd_pub_t *dhd); #ifdef PKT_FILTER_SUPPORT extern void dhd_pktfilter_offload_set(dhd_pub_t * dhd, char *arg); extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode); extern void dhd_pktfilter_offload_delete(dhd_pub_t *dhd, int id); #endif #ifdef READ_MACADDR extern int dhd_read_macaddr(struct dhd_info *dhd); #else static inline int dhd_read_macaddr(struct dhd_info *dhd) { return 0; } #endif #ifdef WRITE_MACADDR extern int dhd_write_macaddr(struct ether_addr *mac); #else static inline int dhd_write_macaddr(struct ether_addr *mac) { return 0; } #endif #if defined(DHD_DEBUG) static void dhd_mem_dump(void *dhd_info, void *event_info, u8 event); #endif /* DHD_DEBUG */ 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, }; typedef struct dhd_if_event { struct list_head list; wl_event_data_if_t event; char name[IFNAMSIZ+1]; uint8 mac[ETHER_ADDR_LEN]; } dhd_if_event_t; /* Interface control information */ typedef struct dhd_if { struct dhd_info *info; /* back pointer to dhd_info */ /* OS/stack specifics */ struct net_device *net; int idx; /* iface idx in dongle */ uint subunit; /* subunit */ uint8 mac_addr[ETHER_ADDR_LEN]; /* assigned MAC address */ bool set_macaddress; bool set_multicast; uint8 bssidx; /* bsscfg index for the interface */ bool attached; /* Delayed attachment when unset */ bool txflowcontrol; /* Per interface flow control indicator */ char name[IFNAMSIZ+1]; /* linux interface name */ struct net_device_stats stats; #ifdef DHD_WMF dhd_wmf_t wmf; /* per bsscfg wmf setting */ #endif /* DHD_WMF */ #ifdef PCIE_FULL_DONGLE struct list_head sta_list; /* sll of associated stations */ #if !defined(BCM_GMAC3) spinlock_t sta_list_lock; /* lock for manipulating sll */ #endif /* ! BCM_GMAC3 */ #endif /* PCIE_FULL_DONGLE */ uint32 ap_isolate; /* ap-isolation settings */ } dhd_if_t; #ifdef WLMEDIA_HTSF typedef struct { uint32 low; uint32 high; } tsf_t; typedef struct { uint32 last_cycle; uint32 last_sec; uint32 last_tsf; uint32 coef; /* scaling factor */ uint32 coefdec1; /* first decimal */ uint32 coefdec2; /* second decimal */ } htsf_t; typedef struct { uint32 t1; uint32 t2; uint32 t3; uint32 t4; } tstamp_t; static tstamp_t ts[TSMAX]; static tstamp_t maxdelayts; static uint32 maxdelay = 0, tspktcnt = 0, maxdelaypktno = 0; #endif /* WLMEDIA_HTSF */ struct ipv6_work_info_t { uint8 if_idx; char ipv6_addr[16]; unsigned long event; }; #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) #define MAX_WLANAUDIO_BLACKLIST 4 struct wlanaudio_blacklist { bool is_blacklist; uint32 cnt; ulong txfail_jiffies; struct ether_addr blacklist_addr; }; #endif /* CUSTOMER_HW20 && WLANAUDIO */ #if defined(DHD_DEBUG) typedef struct dhd_dump { uint8 *buf; int bufsize; } dhd_dump_t; #endif /* DHD_DEBUG */ /* When Perimeter locks are deployed, any blocking calls must be preceeded * with a PERIM UNLOCK and followed by a PERIM LOCK. * Examples of blocking calls are: schedule_timeout(), down_interruptible(), * wait_event_timeout(). */ /* Local private structure (extension of pub) */ typedef struct dhd_info { dhd_pub_t pub; dhd_if_t *iflist[DHD_MAX_IFS]; /* for supporting multiple interfaces */ void *p2p_del_ifp; void *adapter; /* adapter information, interrupt, fw path etc. */ char fw_path[PATH_MAX]; /* path to firmware image */ char nv_path[PATH_MAX]; /* path to nvram vars file */ struct semaphore proto_sem; #ifdef PROP_TXSTATUS spinlock_t wlfc_spinlock; #endif /* PROP_TXSTATUS */ #ifdef WLMEDIA_HTSF htsf_t htsf; #endif wait_queue_head_t ioctl_resp_wait; wait_queue_head_t d3ack_wait; uint32 default_wd_interval; struct timer_list timer; bool wd_timer_valid; struct tasklet_struct tasklet; spinlock_t sdlock; spinlock_t txqlock; spinlock_t dhd_lock; struct semaphore sdsem; tsk_ctl_t thr_dpc_ctl; tsk_ctl_t thr_wdt_ctl; tsk_ctl_t thr_rxf_ctl; spinlock_t rxf_lock; bool rxthread_enabled; /* Wakelocks */ #if defined(CONFIG_PM_WAKELOCKS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) struct wakeup_source wl_wifi; /* Wifi wakelock */ struct wakeup_source wl_rxwake; /* Wifi rx wakelock */ struct wakeup_source wl_ctrlwake; /* Wifi ctrl wakelock */ struct wakeup_source wl_wdwake; /* Wifi wd wakelock */ #ifdef BCMPCIE_OOB_HOST_WAKE struct wakeup_source wl_intrwake; /* Host wakeup wakelock */ #endif /* BCMPCIE_OOB_HOST_WAKE */ #endif /* CONFIG_PM_WAKELOCKS && LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) /* net_device interface lock, prevent race conditions among net_dev interface * calls and wifi_on or wifi_off */ struct mutex dhd_net_if_mutex; struct mutex dhd_suspend_mutex; #endif spinlock_t wakelock_spinlock; uint32 wakelock_counter; int wakelock_wd_counter; int wakelock_rx_timeout_enable; int wakelock_ctrl_timeout_enable; bool waive_wakelock; uint32 wakelock_before_waive; /* Thread to issue ioctl for multicast */ wait_queue_head_t ctrl_wait; atomic_t pend_8021x_cnt; dhd_attach_states_t dhd_state; #ifdef SHOW_LOGTRACE dhd_event_log_t event_data; #endif /* SHOW_LOGTRACE */ #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) struct early_suspend early_suspend; #endif /* CONFIG_HAS_EARLYSUSPEND && DHD_USE_EARLYSUSPEND */ #ifdef ARP_OFFLOAD_SUPPORT u32 pend_ipaddr; #endif /* ARP_OFFLOAD_SUPPORT */ #ifdef BCM_FD_AGGR void *rpc_th; void *rpc_osh; struct timer_list rpcth_timer; bool rpcth_timer_active; bool fdaggr; #endif #ifdef DHDTCPACK_SUPPRESS spinlock_t tcpack_lock; #endif /* DHDTCPACK_SUPPRESS */ void *dhd_deferred_wq; #ifdef DEBUG_CPU_FREQ struct notifier_block freq_trans; int __percpu *new_freq; #endif unsigned int unit; struct notifier_block pm_notifier; #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) struct wlanaudio_blacklist wlanaudio_blist[MAX_WLANAUDIO_BLACKLIST]; bool is_wlanaudio_blist; #endif /* CUSTOMER_HW20 && WLANAUDIO */ } dhd_info_t; #define DHDIF_FWDER(dhdif) FALSE /* 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]; char nvram_path[MOD_PARAM_PATHLEN]; /* flag to restrict p2p GO bw to 20Mhz */ u32 restrict_bw_20; /* 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); char clm_path[MOD_PARAM_PATHLEN]; module_param_string(clm_path, clm_path, MOD_PARAM_PATHLEN, 0660); unsigned long dpc_sleep_cnt; atomic_t dpc_bound = ATOMIC_INIT(8); /* ms */ atomic_t dpc_frame_time = ATOMIC_INIT(16); /* ms */ extern int wl_control_wl_start(struct net_device *dev); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(BCMLXSDMMC) struct semaphore dhd_registration_sem; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ /* 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 CONFIG_IPV6 static void dhd_inet6_work_handler(void *dhd_info, void *event_data, u8 event); #endif #ifdef WL_CFG80211 extern void dhd_netdev_free(struct net_device *ndev); #endif /* WL_CFG80211 */ /* Error bits */ module_param(dhd_msg_level, int, 0644); #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 */ uint dhd_arp_mode = ARP_OL_AGENT | ARP_OL_PEER_AUTO_REPLY; 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); /* 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); #endif /* defined(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 /* Pkt filter init setup */ uint dhd_pkt_filter_init = 0; module_param(dhd_pkt_filter_init, uint, 0); /* Pkt filter mode control */ uint dhd_master_mode = TRUE; 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); int passive_channel_skip = 0; module_param(passive_channel_skip, int, (S_IRUSR|S_IWUSR)); #if !defined(BCMDHDUSB) extern int dhd_dongle_ramsize; module_param(dhd_dongle_ramsize, int, 0); #endif /* BCMDHDUSB */ /* 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(CUSTOMER_HW20) && defined(WLANAUDIO) dhd_info_t *dhd_global = NULL; #endif /* CUSTOMER_HW20 && WLANAUDIO */ /* 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) #define DHD_PERIM_LOCK_ALL() do { /* noop */ } while (0) #define DHD_PERIM_UNLOCK_ALL() do { /* noop */ } while (0) #ifdef PCIE_FULL_DONGLE #if defined(BCM_GMAC3) #define DHD_IF_STA_LIST_LOCK_INIT(ifp) do { /* noop */ } while (0) #define DHD_IF_STA_LIST_LOCK(ifp, flags) ({ BCM_REFERENCE(flags); }) #define DHD_IF_STA_LIST_UNLOCK(ifp, flags) ({ BCM_REFERENCE(flags); }) #else /* ! BCM_GMAC3 */ #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)) #endif /* ! BCM_GMAC3 */ #endif /* PCIE_FULL_DONGLE */ /* Control fw roaming */ uint dhd_roam_disable = 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; /* 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); #ifdef BCMDBGFS extern void dhd_dbg_init(dhd_pub_t *dhdp); extern void dhd_dbg_remove(void); #endif /* BCMDBGFS */ #endif /* BCMSDIO */ #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA #define OZ_ETHERTYPE 0x892e extern atomic_t tegra_downgrade_ac; #endif #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 */ extern char dhd_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); #ifdef WLMEDIA_HTSF void htsf_update(dhd_info_t *dhd, void *data); tsf_t prev_tsf, cur_tsf; uint32 dhd_get_htsf(dhd_info_t *dhd, int ifidx); static int dhd_ioctl_htsf_get(dhd_info_t *dhd, int ifidx); static void dhd_dump_latency(void); static void dhd_htsf_addtxts(dhd_pub_t *dhdp, void *pktbuf); static void dhd_htsf_addrxts(dhd_pub_t *dhdp, void *pktbuf); static void dhd_dump_htsfhisto(histo_t *his, char *s); #endif /* WLMEDIA_HTSF */ /* Monitor interface */ int dhd_monitor_init(void *dhd_pub); int dhd_monitor_uninit(void); static void dhd_dpc(ulong data); /* 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, size_t pktlen, wl_event_msg_t *event_ptr, void **data_ptr); #ifdef DHD_UNICAST_DHCP static const uint8 llc_snap_hdr[SNAP_HDR_LEN] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00}; static int dhd_get_pkt_ip_type(dhd_pub_t *dhd, void *skb, uint8 **data_ptr, int *len_ptr, uint8 *prot_ptr); static int dhd_get_pkt_ether_type(dhd_pub_t *dhd, void *skb, uint8 **data_ptr, int *len_ptr, uint16 *et_ptr, bool *snap_ptr); static int dhd_convert_dhcp_broadcast_ack_to_unicast(dhd_pub_t *pub, void *pktbuf, int ifidx); #endif /* DHD_UNICAST_DHCP */ #ifdef DHD_L2_FILTER static int dhd_l2_filter_block_ping(dhd_pub_t *pub, void *pktbuf, int ifidx); #endif void dhd_enable_packet_filter(int value, dhd_pub_t *dhd); #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; dhd_info_t *dhdinfo = (dhd_info_t*)container_of(nfb, struct dhd_info, pm_notifier); BCM_REFERENCE(dhdinfo); switch (action) { case PM_HIBERNATION_PREPARE: case PM_SUSPEND_PREPARE: suspend = TRUE; break; case PM_POST_HIBERNATION: case PM_POST_SUSPEND: suspend = FALSE; break; } /* FIXME: dhd_wlfc_suspend acquires wd wakelock and calling in this function is breaking LP0. So moving this function call to dhd_set_suspend. Need to enable it after fixing wd wakelock issue. */ #if 0 #if defined(SUPPORT_P2P_GO_PS) #ifdef PROP_TXSTATUS if (suspend) { DHD_OS_WAKE_LOCK_WAIVE(&dhdinfo->pub); dhd_wlfc_suspend(&dhdinfo->pub); DHD_OS_WAKE_LOCK_RESTORE(&dhdinfo->pub); } else dhd_wlfc_resume(&dhdinfo->pub); #endif #endif /* defined(SUPPORT_P2P_GO_PS) */ #endif #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; } static struct notifier_block dhd_pm_notifier = { .notifier_call = dhd_pm_callback, .priority = 10 }; /* 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); /** 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 */ } 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) /** 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; } /** 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; } #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 = { #if defined(BCM_GMAC3) .fwdh = FWDER_NULL, #endif .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 = { #if defined(BCM_GMAC3) .fwdh = FWDER_NULL, #endif #ifdef WMF .wmf = { .wmf_enable = TRUE }, #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. */ /** Fetch the dhd_if object, given the interface index in the dhd. */ static inline dhd_if_t *dhd_get_ifp(dhd_pub_t *dhdp, uint32 ifidx); /** 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); static void dhd_sta_pool_clear(dhd_pub_t *dhdp, int max_sta); /* Return interface pointer */ static inline dhd_if_t *dhd_get_ifp(dhd_pub_t *dhdp, uint32 ifidx) { ASSERT(ifidx < DHD_MAX_IFS); if (ifidx >= DHD_MAX_IFS) return NULL; return dhdp->info->iflist[ifidx]; } /** 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)); id16_map_free(dhdp->staid_allocator, sta->idx); for (prio = 0; prio < (int)NUMPRIO; prio++) sta->flowid[prio] = FLOWID_INVALID; 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)); 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); list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { #if defined(BCM_GMAC3) if (ifp->fwdh) { /* Remove sta from WOFA forwarder. */ fwder_deassoc(ifp->fwdh, (uint16 *)(sta->ea.octet), (wofa_t)sta); } #endif /* BCM_GMAC3 */ list_del(&sta->list); dhd_sta_free(&ifp->info->pub, sta); } 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) { #if defined(BCM_GMAC3) if (ifp && (ifp->fwdh != FWDER_NULL)) { dhd_sta_t *sta, *next; unsigned long flags; DHD_IF_STA_LIST_LOCK(ifp, flags); list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { /* Remove any sta entry from WOFA forwarder. */ fwder_flush(ifp->fwdh, (wofa_t)sta); } DHD_IF_STA_LIST_UNLOCK(ifp, flags); } #endif /* BCM_GMAC3 */ } /** 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, 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]; 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, 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]; 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, *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_STA_NULL; DHD_IF_STA_LIST_LOCK(ifp, flags); list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { if (!memcmp(sta->ea.octet, ea, ETHER_ADDR_LEN)) { DHD_IF_STA_LIST_UNLOCK(ifp, flags); return sta; } } 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; 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); #if defined(BCM_GMAC3) if (ifp->fwdh) { ASSERT(ISALIGNED(ea, 2)); /* Add sta to WOFA forwarder. */ fwder_reassoc(ifp->fwdh, (uint16 *)ea, (wofa_t)sta); } #endif /* BCM_GMAC3 */ DHD_IF_STA_LIST_UNLOCK(ifp, flags); return sta; } /** 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); list_for_each_entry_safe(sta, next, &ifp->sta_list, list) { if (!memcmp(sta->ea.octet, ea, ETHER_ADDR_LEN)) { #if defined(BCM_GMAC3) if (ifp->fwdh) { /* Found a sta, remove from WOFA forwarder. */ ASSERT(ISALIGNED(ea, 2)); fwder_deassoc(ifp->fwdh, (uint16 *)ea, (wofa_t)sta); } #endif /* BCM_GMAC3 */ list_del(&sta->list); dhd_sta_free(&ifp->info->pub, sta); } } DHD_IF_STA_LIST_UNLOCK(ifp, flags); 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; } #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; } void dhd_del_sta(void *pub, int ifidx, void *ea) {} #endif /* PCIE_FULL_DONGLE */ /* Returns dhd iflist index correspondig 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); #ifdef RXF_DEQUEUE_ON_BUSY DHD_TRACE(("dhd_rxf_enqueue: pktbuf not consumed %p, store idx %d sent idx %d\n", skb, store_idx, sent_idx)); return BCME_BUSY; #else /* RXF_DEQUEUE_ON_BUSY */ 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 return BCME_ERROR; #endif /* RXF_DEQUEUE_ON_BUSY */ } 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) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; if (prepost) { /* pre process */ dhd_read_macaddr(dhd); } else { /* post process */ dhd_write_macaddr(&dhd->pub.mac); } return 0; } #if defined(PKT_FILTER_SUPPORT) && !defined(GAN_LITE_NAT_KEEPALIVE_FILTER) static bool _turn_on_arp_filter(dhd_pub_t *dhd, int op_mode) { bool _apply = FALSE; /* In case of IBSS mode, apply arp pkt filter */ if (op_mode & 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 ((dhd->arp_version == 1) && (op_mode & (DHD_FLAG_P2P_GC_MODE | DHD_FLAG_P2P_GO_MODE))) { _apply = TRUE; goto exit; } exit: return _apply; } #endif /* PKT_FILTER_SUPPORT && !GAN_LITE_NAT_KEEPALIVE_FILTER */ #ifdef PKT_FILTER_SUPPORT void dhd_set_packet_filter_mode(struct net_device *dev, char *command) { dhd_info_t *dhdi = *(dhd_info_t **)netdev_priv(dev); dhd_pub_t *dhdp = &dhdi->pub; dhdi->pub.pkt_filter_mode = bcm_strtoul(command, &command, 0); dhd_enable_packet_filter(1, dhdp); } int dhd_set_packet_filter_ports(struct net_device *dev, char *command) { int i = 0, error = BCME_OK, count = 0, get_count = 0, action = 0; uint16 portnum = 0, *ports = NULL, get_ports[WL_PKT_FILTER_PORTS_MAX]; dhd_info_t *dhdi = *(dhd_info_t **)netdev_priv(dev); dhd_pub_t *dhdp = &dhdi->pub; char iovbuf[WLC_IOCTL_SMLEN]; /* get action */ action = bcm_strtoul(command, &command, 0); if (action > PKT_FILTER_PORTS_MAX) return BCME_BADARG; if (action == PKT_FILTER_PORTS_LOOPBACK) { /* echo the loopback value if port filter is supported else error */ bcm_mkiovar("cap", NULL, 0, iovbuf, sizeof(iovbuf)); error = dhd_wl_ioctl_cmd(dhdp, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0); if (error < 0) { DHD_ERROR(("%s: Get Capability failed (error=%d)\n", __FUNCTION__, error)); return error; } if (strstr(iovbuf, "pktfltr2")) return bcm_strtoul(command, &command, 0); else { DHD_ERROR(("%s: pktfltr2 is not supported\n", __FUNCTION__)); return BCME_UNSUPPORTED; } } if (action == PKT_FILTER_PORTS_CLEAR) { /* action 0 is clear all ports */ dhdp->pkt_filter_ports_count = 0; bzero(dhdp->pkt_filter_ports, sizeof(dhdp->pkt_filter_ports)); } else { portnum = bcm_strtoul(command, &command, 0); if (portnum == 0) { /* no ports to add or remove */ return BCME_BADARG; } /* get configured ports */ count = dhdp->pkt_filter_ports_count; ports = dhdp->pkt_filter_ports; if (action == PKT_FILTER_PORTS_ADD) { /* action 1 is add ports */ /* copy new ports */ while ((portnum != 0) && (count < WL_PKT_FILTER_PORTS_MAX)) { for (i = 0; i < count; i++) { /* duplicate port */ if (portnum == ports[i]) break; } if (portnum != ports[i]) ports[count++] = portnum; portnum = bcm_strtoul(command, &command, 0); } } else if ((action == PKT_FILTER_PORTS_DEL) && (count > 0)) { /* action 2 is remove ports */ bcopy(dhdp->pkt_filter_ports, get_ports, count * sizeof(uint16)); get_count = count; while (portnum != 0) { count = 0; for (i = 0; i < get_count; i++) { if (portnum != get_ports[i]) ports[count++] = get_ports[i]; } get_count = count; bcopy(ports, get_ports, count * sizeof(uint16)); portnum = bcm_strtoul(command, &command, 0); } } dhdp->pkt_filter_ports_count = count; } return error; } static void dhd_enable_packet_filter_ports(dhd_pub_t *dhd, bool enable) { int error = 0; wl_pkt_filter_ports_t *portlist = NULL; const uint pkt_filter_ports_buf_len = sizeof("pkt_filter_ports") + WL_PKT_FILTER_PORTS_FIXED_LEN + (WL_PKT_FILTER_PORTS_MAX * sizeof(uint16)); char pkt_filter_ports_buf[pkt_filter_ports_buf_len]; char iovbuf[pkt_filter_ports_buf_len]; DHD_ERROR(("%s: enable %d, in_suspend %d, mode %d, port count %d\n", __FUNCTION__, enable, dhd->in_suspend, dhd->pkt_filter_mode, dhd->pkt_filter_ports_count)); bzero(pkt_filter_ports_buf, sizeof(pkt_filter_ports_buf)); portlist = (wl_pkt_filter_ports_t*)pkt_filter_ports_buf; portlist->version = WL_PKT_FILTER_PORTS_VERSION; portlist->reserved = 0; if (enable) { if (!(dhd->pkt_filter_mode & PKT_FILTER_MODE_PORTS_ONLY)) { /* disable port filter */ portlist->count = 0; dhd_master_mode &= ~PKT_FILTER_MODE_PORTS_ONLY; dhd_master_mode |= PKT_FILTER_MODE_FORWARD_ON_MATCH; } else { /* enable port filter */ dhd_master_mode |= PKT_FILTER_MODE_PORTS_ONLY; if (dhd->pkt_filter_mode & PKT_FILTER_MODE_FORWARD_ON_MATCH) /* whitelist mode: FORWARD_ON_MATCH */ dhd_master_mode |= PKT_FILTER_MODE_FORWARD_ON_MATCH; else /* blacklist mode: DISCARD_ON_MATCH */ dhd_master_mode &= ~PKT_FILTER_MODE_FORWARD_ON_MATCH; portlist->count = dhd->pkt_filter_ports_count; bcopy(dhd->pkt_filter_ports, portlist->ports, dhd->pkt_filter_ports_count * sizeof(uint16)); } } else { /* disable port filter */ portlist->count = 0; dhd_master_mode &= ~PKT_FILTER_MODE_PORTS_ONLY; dhd_master_mode |= PKT_FILTER_MODE_FORWARD_ON_MATCH; } DHD_INFO(("%s: update: mode %d, port count %d\n", __FUNCTION__, dhd_master_mode, portlist->count)); /* update ports */ bcm_mkiovar("pkt_filter_ports", (char*)portlist, (WL_PKT_FILTER_PORTS_FIXED_LEN + (portlist->count * sizeof(uint16))), iovbuf, sizeof(iovbuf)); error = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); if (error < 0) DHD_ERROR(("%s: set pkt_filter_ports failed %d\n", __FUNCTION__, error)); /* update mode */ bcm_mkiovar("pkt_filter_mode", (char*)&dhd_master_mode, sizeof(dhd_master_mode), iovbuf, sizeof(iovbuf)); error = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); if (error < 0) DHD_ERROR(("%s: set pkt_filter_mode failed %d\n", __FUNCTION__, error)); return; } #endif /* PKT_FILTER_SUPPORT */ void dhd_set_packet_filter(dhd_pub_t *dhd) { #ifdef PKT_FILTER_SUPPORT 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]); } } #endif /* PKT_FILTER_SUPPORT */ } void dhd_enable_packet_filter(int value, dhd_pub_t *dhd) { #ifdef PKT_FILTER_SUPPORT int i; DHD_TRACE(("%s: enter, value = %d\n", __FUNCTION__, value)); dhd_enable_packet_filter_ports(dhd, value); /* 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))) { for (i = 0; i < dhd->pktfilter_count; i++) { #ifndef 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); } } #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 */ #ifndef ENABLE_FW_ROAM_SUSPEND uint roamvar = 1; #endif /* ENABLE_FW_ROAM_SUSPEND */ uint nd_ra_filter = 0; int ret = 0; if (!dhd) return -ENODEV; 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 #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA tegra_sysfs_suspend(); #endif nvlogger_suspend_work(); /* 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 */ /* Enable packet filter, only allow unicast packet to send up */ dhd_enable_packet_filter(1, dhd); /* 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. */ 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__)); #ifndef ENABLE_FW_ROAM_SUSPEND /* Disable firmware roaming during suspend */ if (!builtin_roam_disabled) { dhd_iovar(dhd, 0, "roam_off", (char *)&roamvar, sizeof(roamvar), NULL, 0, TRUE); } #endif /* ENABLE_FW_ROAM_SUSPEND */ if (FW_SUPPORTED(dhd, ndoe)) { /* 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(("nd_ra_filter :%d\n", ret)); } #if defined(SUPPORT_P2P_GO_PS) if (bcmdhd_support_p2p_go_ps) { #ifdef PROP_TXSTATUS DHD_OS_WAKE_LOCK_WAIVE(dhd); dhd_wlfc_suspend(dhd); DHD_OS_WAKE_LOCK_RESTORE(dhd); #endif } #endif /* defined(SUPPORT_P2P_GO_PS) */ } else { #ifdef PKT_FILTER_SUPPORT dhd->early_suspended = 0; #endif #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA tegra_sysfs_resume(); #endif nvlogger_resume_work(); /* Kernel resumed */ DHD_ERROR(("%s: Remove extra suspend setting\n", __FUNCTION__)); #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 */ #ifdef PKT_FILTER_SUPPORT /* disable pkt filter */ dhd_enable_packet_filter(0, dhd); #endif /* PKT_FILTER_SUPPORT */ /* restore pre-suspend setting for dtim_skip */ dhd_iovar(dhd, 0, "bcn_li_dtim", (char *)&bcn_li_dtim, sizeof(bcn_li_dtim), NULL, 0, TRUE); #ifndef ENABLE_FW_ROAM_SUSPEND roamvar = dhd_roam_disable; if (!builtin_roam_disabled) { dhd_iovar(dhd, 0, "roam_off", (char *)&roamvar, sizeof(roamvar), NULL, 0, TRUE); } #endif /* ENABLE_FW_ROAM_SUSPEND */ if (FW_SUPPORTED(dhd, ndoe)) { /* 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(("nd_ra_filter: %d\n", ret)); } #if defined(SUPPORT_P2P_GO_PS) if (bcmdhd_support_p2p_go_ps) { #ifdef PROP_TXSTATUS dhd_wlfc_resume(dhd); #endif } #endif /* defined(SUPPORT_P2P_GO_PS) */ } } 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)) { 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_suspend_resume_helper(dhd, 1, 0); } 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_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 { wait_queue_head_t delay_wait; DECLARE_WAITQUEUE(wait, current); init_waitqueue_head(&delay_wait); add_wait_queue(&delay_wait, &wait); set_current_state(TASK_INTERRUPTIBLE); (void)schedule_timeout(1); remove_wait_queue(&delay_wait, &wait); set_current_state(TASK_RUNNING); } 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]->name, name, IFNAMSIZ)) break; DHD_TRACE(("%s: return idx %d for \"%s\"\n", __FUNCTION__, i, name)); return i; /* default - the primary interface */ } int dhd_ifidx2hostidx(dhd_info_t *dhd, int ifidx) { int i = DHD_MAX_IFS; ASSERT(dhd); while (--i > 0) if (dhd->iflist[i] && (dhd->iflist[i]->idx == ifidx)) break; DHD_TRACE(("%s: return hostidx %d for ifidx %d\n", __FUNCTION__, i, ifidx)); return i; /* default - the primary interface */ } char * dhd_ifname(dhd_pub_t *dhdp, int ifidx) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; ASSERT(dhd); if (ifidx < 0 || ifidx >= DHD_MAX_IFS) { DHD_ERROR(("%s: ifidx %d out of range\n", __FUNCTION__, ifidx)); return ""; } if (dhd->iflist[ifidx] == NULL) { DHD_ERROR(("%s: null i/f %d\n", __FUNCTION__, ifidx)); return ""; } if (dhd->iflist[ifidx]->net) return dhd->iflist[ifidx]->net->name; return ""; } uint8 * dhd_bssidx2bssid(dhd_pub_t *dhdp, int idx) { int i; dhd_info_t *dhd = (dhd_info_t *)dhdp; ASSERT(dhd); for (i = 0; i < DHD_MAX_IFS; i++) if (dhd->iflist[i] && dhd->iflist[i]->bssidx == idx) return dhd->iflist[i]->mac_addr; return NULL; } static void _dhd_set_multicast_list(dhd_info_t *dhd, int ifidx) { struct net_device *dev; #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) struct netdev_hw_addr *ha; #else struct dev_mc_list *mclist; #endif uint32 allmulti, cnt; wl_ioctl_t ioc; char *buf, *bufp; uint buflen; int ret; ASSERT(dhd && dhd->iflist[ifidx]); if (dhd == NULL || dhd->iflist[ifidx] == NULL) return; dev = dhd->iflist[ifidx]->net; if (!dev) return; #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) netif_addr_lock_bh(dev); #endif #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) cnt = netdev_mc_count(dev); #else cnt = dev->mc_count; #endif /* LINUX_VERSION_CODE */ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) netif_addr_unlock_bh(dev); #endif /* Determine initial value of allmulti flag */ allmulti = (dev->flags & IFF_ALLMULTI) ? TRUE : FALSE; /* 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); #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) netif_addr_lock_bh(dev); #endif #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) netdev_for_each_mc_addr(ha, dev) { if (!cnt) break; memcpy(bufp, ha->addr, ETHER_ADDR_LEN); bufp += ETHER_ADDR_LEN; cnt--; } #else for (mclist = dev->mc_list; (mclist && (cnt > 0)); cnt--, mclist = mclist->next) { memcpy(bufp, (void *)mclist->dmi_addr, ETHER_ADDR_LEN); bufp += ETHER_ADDR_LEN; } #endif /* LINUX_VERSION_CODE */ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) netif_addr_unlock_bh(dev); #endif 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 */ allmulti = (dev->flags & IFF_PROMISC) ? TRUE : FALSE; 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 SOFTAP extern struct net_device *ap_net_dev; extern tsk_ctl_t ap_eth_ctl; /* ap netdev heper thread ctl */ #endif 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; struct net_device *ndev; int ifidx, bssidx; int ret; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) struct wireless_dev *vwdev, *primary_wdev; struct net_device *primary_ndev; #endif /* OEM_ANDROID && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) */ 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)); ndev = dhd_allocate_if(&dhd->pub, ifidx, if_event->name, if_event->mac, bssidx, TRUE); if (!ndev) { DHD_ERROR(("%s: net device alloc failed \n", __FUNCTION__)); goto done; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) vwdev = kzalloc(sizeof(*vwdev), GFP_KERNEL); if (unlikely(!vwdev)) { WL_ERR(("Could not allocate wireless device\n")); goto done; } primary_ndev = dhd->pub.info->iflist[0]->net; primary_wdev = ndev_to_wdev(primary_ndev); vwdev->wiphy = primary_wdev->wiphy; vwdev->iftype = if_event->event.role; vwdev->netdev = ndev; ndev->ieee80211_ptr = vwdev; SET_NETDEV_DEV(ndev, wiphy_dev(vwdev->wiphy)); DHD_ERROR(("virtual interface(%s) is created\n", if_event->name)); #endif /* OEM_ANDROID && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) */ 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; } #ifdef PCIE_FULL_DONGLE /* Turn on AP isolation in the firmware for interfaces operating in AP mode */ if (FW_SUPPORTED((&dhd->pub), ap) && !(DHD_IF_ROLE_STA(if_event->event.role))) { uint32 var_int = 1; 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)); 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)); dhd_remove_if(&dhd->pub, ifidx, TRUE); 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); } 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); #ifdef SOFTAP { unsigned long flags; bool in_ap = FALSE; DHD_GENERAL_LOCK(&dhd->pub, flags); in_ap = (ap_net_dev != NULL); DHD_GENERAL_UNLOCK(&dhd->pub, flags); if (in_ap) { DHD_ERROR(("attempt to set MAC for %s in AP Mode, blocked. \n", ifp->net->name)); goto done; } } #endif /* SOFTAP */ 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; dhd_if_t *ifp = event_info; int ifidx; 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); #ifdef SOFTAP { bool in_ap = FALSE; unsigned long flags; DHD_GENERAL_LOCK(&dhd->pub, flags); in_ap = (ap_net_dev != NULL); DHD_GENERAL_UNLOCK(&dhd->pub, flags); if (in_ap) { DHD_ERROR(("set MULTICAST list for %s in AP Mode, blocked. \n", ifp->net->name)); ifp->set_multicast = FALSE; goto done; } } #endif /* SOFTAP */ if (ifp == NULL || !dhd->pub.up) { DHD_ERROR(("%s: interface info not available/down \n", __FUNCTION__)); goto done; } ifidx = ifp->idx; _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_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 *)dhd->iflist[ifidx], DHD_WQ_WORK_SET_MCAST_LIST, dhd_set_mcast_list_handler, DHD_WORK_PRIORITY_LOW); } #ifdef PROP_TXSTATUS int dhd_os_wlfc_block(dhd_pub_t *pub) { dhd_info_t *di = (dhd_info_t *)(pub->info); ASSERT(di != NULL); spin_lock_bh(&di->wlfc_spinlock); return 1; } int dhd_os_wlfc_unblock(dhd_pub_t *pub) { dhd_info_t *di = (dhd_info_t *)(pub->info); ASSERT(di != NULL); spin_unlock_bh(&di->wlfc_spinlock); return 1; } #endif /* PROP_TXSTATUS */ #if defined(DHD_8021X_DUMP) void dhd_tx_dump(int ifidx, osl_t *osh, void *pkt) { uint8 *dump_data; uint16 protocol; dump_data = PKTDATA(osh, pkt); protocol = (dump_data[12] << 8) | dump_data[13]; if (protocol == ETHER_TYPE_802_1X) /* flag true indicates Tx path */ dhd_dump_eapol_4way_message(ifidx, dump_data, true); } #endif /* DHD_8021X_DUMP */ 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; int temp_prio; DHD_INFO(("skb->prio = %d\n", PKTPRIO(pktbuf))); /* Reject if down */ if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) { /* free the packet here since the caller won't */ PKTFREE(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__)); PKTFREE(dhdp->osh, pktbuf, TRUE); return -EBUSY; } #endif /* PCIE_FULL_DONGLE */ #ifdef DHD_UNICAST_DHCP /* if dhcp_unicast is enabled, we need to convert the */ /* broadcast DHCP ACK/REPLY packets to Unicast. */ if (dhdp->dhcp_unicast) { dhd_convert_dhcp_broadcast_ack_to_unicast(dhdp, pktbuf, ifidx); } #endif /* DHD_UNICAST_DHCP */ /* 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) atomic_inc(&dhd->pend_8021x_cnt); #ifdef DHD_DHCP_DUMP if (ntoh16(eh->ether_type) == ETHER_TYPE_IP) { uint16 dump_hex; uint16 source_port; uint16 dest_port; uint16 udp_port_pos; uint8 *ptr8 = (uint8 *)&pktdata[ETHER_HDR_LEN]; uint8 ip_header_len = (*ptr8 & 0x0f)<<2; udp_port_pos = ETHER_HDR_LEN + ip_header_len; source_port = (pktdata[udp_port_pos] << 8) | pktdata[udp_port_pos+1]; dest_port = (pktdata[udp_port_pos+2] << 8) | pktdata[udp_port_pos+3]; if (source_port == 0x0044 || dest_port == 0x0044) { dump_hex = (pktdata[udp_port_pos+249] << 8) | pktdata[udp_port_pos+250]; if (dump_hex == 0x0101) { DHD_ERROR(("ifidx:%d DHCP - DISCOVER [TX]\n", ifidx)); } else if (dump_hex == 0x0102) { DHD_ERROR(("ifidx:%d DHCP - OFFER [TX]\n", ifidx)); } else if (dump_hex == 0x0103) { DHD_ERROR(("ifidx:%d DHCP - REQUEST [TX]\n", ifidx)); } else if (dump_hex == 0x0105) { DHD_ERROR(("ifidx:%d DHCP - ACK [TX]\n", ifidx)); } else { DHD_ERROR(("ifidx:%d DHCP - 0x%X [TX]\n", ifidx, dump_hex)); } } else if (source_port == 0x0043 || dest_port == 0x0043) { DHD_ERROR(("ifidx:%d DHCP - BOOTP [RX]\n", ifidx)); } } #endif /* DHD_DHCP_DUMP */ } else { PKTFREE(dhd->pub.osh, pktbuf, TRUE); return BCME_ERROR; } /* Look into the packet and update the packet priority */ temp_prio = PKTPRIO(pktbuf); if (temp_prio & 0x100) PKTSETPRIO(pktbuf, temp_prio & 0xFF); #ifndef PKTPRIO_OVERRIDE if (PKTPRIO(pktbuf) == 0) #endif #ifdef QOS_MAP_SET pktsetprio_qms(pktbuf, wl_get_up_table(), FALSE); #else pktsetprio(pktbuf, FALSE); #endif /* QOS_MAP_SET */ #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA /* Downgrade voice to video priority */ if (atomic_read(&tegra_downgrade_ac) && ((struct sk_buff *) (pktbuf))->protocol != htons(OZ_ETHERTYPE)) { switch (PKTPRIO(pktbuf)) { case PRIO_8021D_VO: case PRIO_8021D_NC: PKTSETPRIO(pktbuf, PRIO_8021D_VI); /* VO -> VI */ break; default: break; } } #endif #if defined(PCIE_FULL_DONGLE) && !defined(PCIE_TX_DEFERRAL) /* * 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. */ ret = dhd_flowid_update(dhdp, ifidx, dhdp->flow_prio_map[(PKTPRIO(pktbuf))], pktbuf); if (ret != BCME_OK) { PKTCFREE(dhd->pub.osh, pktbuf, TRUE); return ret; } #endif #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 WLMEDIA_HTSF dhd_htsf_addtxts(dhdp, pktbuf); #endif #if defined(DHD_8021X_DUMP) dhd_tx_dump(ifidx, dhdp->osh, pktbuf); #endif #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 */ 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; #ifdef WLMEDIA_HTSF uint8 htsfdlystat_sz = dhd->pub.htsfdlystat_sz; #else uint8 htsfdlystat_sz = 0; #endif #ifdef DHD_WMF struct ether_header *eh; uint8 *iph; #endif /* DHD_WMF */ DHD_TRACE(("%s: Enter\n", __FUNCTION__)); #ifdef CONFIG_BCMDHD_CUSTOM_NET_PERF_TEGRA tegra_net_perf_tx(skb); #endif DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE); /* Reject if down */ if (dhd->pub.busstate == DHD_BUS_DOWN || dhd->pub.hang_was_sent) { 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_ERROR(("%s: Event HANG sent up\n", __FUNCTION__)); net_os_send_hang_message(net); } DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE); DHD_OS_WAKE_UNLOCK(&dhd->pub); #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)) return -ENODEV; #else return NETDEV_TX_BUSY; #endif } ifp = DHD_DEV_IFP(net); ifidx = DHD_DEV_IFIDX(net); ASSERT(ifidx == dhd_net2idx(dhd, net)); ASSERT((ifp != NULL) && (ifp == dhd->iflist[ifidx])); if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s: bad ifidx %d\n", __FUNCTION__, ifidx)); netif_stop_queue(net); DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE); DHD_OS_WAKE_UNLOCK(&dhd->pub); #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)) return -ENODEV; #else return NETDEV_TX_BUSY; #endif } /* if wifi scan is blocked waiting for tx packet, unblock it */ #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SCAN_TX_PKT_CHECK(skb, ifidx) #endif /* 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); /* 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++; 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; } } #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA tegra_sysfs_histogram_tcpdump_tx(skb, __func__, __LINE__); #endif /* Convert to packet */ if (!(pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb))) { DHD_ERROR(("%s: PKTFRMNATIVE failed\n", dhd_ifname(&dhd->pub, ifidx))); dev_kfree_skb_any(skb); ret = -ENOMEM; goto done; } #ifdef WLMEDIA_HTSF if (htsfdlystat_sz && PKTLEN(dhd->pub.osh, pktbuf) >= ETHER_ADDR_LEN) { uint8 *pktdata = (uint8 *)PKTDATA(dhd->pub.osh, pktbuf); struct ether_header *eh = (struct ether_header *)pktdata; if (!ETHER_ISMULTI(eh->ether_dhost) && (ntoh16(eh->ether_type) == ETHER_TYPE_IP)) { eh->ether_type = hton16(ETHER_TYPE_BRCM_PKTDLYSTATS); } } #endif #ifdef DHD_WMF eh = (struct ether_header *)PKTDATA(dhd->pub.osh, pktbuf); iph = (uint8 *)eh + ETHER_HDR_LEN; /* WMF processing for multicast packets * Only IPv4 packets are handled */ if (ifp->wmf.wmf_enable && (ntoh16(eh->ether_type) == ETHER_TYPE_IP) && (IP_VER(iph) == IP_VER_4) && (ETHER_ISMULTI(eh->ether_dhost) || ((IPV4_PROT(iph) == IP_PROT_IGMP) && dhd->pub.wmf_ucast_igmp))) { #if defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) void *sdu_clone; bool ucast_convert = FALSE; #ifdef DHD_UCAST_UPNP uint32 dest_ip; dest_ip = ntoh32(*((uint32 *)(iph + IPV4_DEST_IP_OFFSET))); ucast_convert = dhd->pub.wmf_ucast_upnp && MCAST_ADDR_UPNP_SSDP(dest_ip); #endif /* DHD_UCAST_UPNP */ #ifdef DHD_IGMP_UCQUERY ucast_convert |= dhd->pub.wmf_ucast_igmp_query && (IPV4_PROT(iph) == IP_PROT_IGMP) && (*(iph + IPV4_HLEN(iph)) == IGMPV2_HOST_MEMBERSHIP_QUERY); #endif /* DHD_IGMP_UCQUERY */ if (ucast_convert) { dhd_sta_t *sta; unsigned long flags; DHD_IF_STA_LIST_LOCK(ifp, flags); /* Convert upnp/igmp query to unicast for each assoc STA */ list_for_each_entry(sta, &ifp->sta_list, list) { if ((sdu_clone = PKTDUP(dhd->pub.osh, pktbuf)) == NULL) { DHD_IF_STA_LIST_UNLOCK(ifp, flags); DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE); DHD_OS_WAKE_UNLOCK(&dhd->pub); return (WMF_NOP); } dhd_wmf_forward(ifp->wmf.wmfh, sdu_clone, 0, sta, 1); } DHD_IF_STA_LIST_UNLOCK(ifp, flags); DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE); DHD_OS_WAKE_UNLOCK(&dhd->pub); PKTFREE(dhd->pub.osh, pktbuf, TRUE); return NETDEV_TX_OK; } else #endif /* defined(DHD_IGMP_UCQUERY) || defined(DHD_UCAST_UPNP) */ { /* There will be no STA info if the packet is coming from LAN host * Pass as NULL */ ret = dhd_wmf_packets_handle(&dhd->pub, pktbuf, NULL, ifidx, 0); switch (ret) { case WMF_TAKEN: case WMF_DROP: /* Either taken by WMF or we should drop it. * Exiting send path */ DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE); DHD_OS_WAKE_UNLOCK(&dhd->pub); return NETDEV_TX_OK; default: /* Continue the transmit path */ break; } } } #endif /* DHD_WMF */ #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 */ ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf); 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 { dhd->pub.tx_packets++; ifp->stats.tx_packets++; ifp->stats.tx_bytes += datalen; } } DHD_PERIM_UNLOCK_TRY(DHD_FWDER_UNIT(dhd), TRUE); DHD_OS_WAKE_UNLOCK(&dhd->pub); /* Return ok: we always eat the packet */ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)) return 0; #else return NETDEV_TX_OK; #endif } 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); if (ifidx == ALL_INTERFACES) { /* Flow control on all active interfaces */ dhdp->txoff = state; for (i = 0; i < DHD_MAX_IFS; i++) { if (dhd->iflist[i]) { net = dhd->iflist[i]->net; if (state == ON) netif_stop_queue(net); else netif_wake_queue(net); } } } else { if (dhd->iflist[ifidx]) { net = dhd->iflist[ifidx]->net; if (state == ON) netif_stop_queue(net); else netif_wake_queue(net); } } } #ifdef DHD_RX_DUMP typedef struct { uint16 type; const char *str; } PKTTYPE_INFO; static const PKTTYPE_INFO packet_type_info[] = { { ETHER_TYPE_IP, "IP" }, { ETHER_TYPE_ARP, "ARP" }, { ETHER_TYPE_BRCM, "BRCM" }, { ETHER_TYPE_802_1X, "802.1X" }, { ETHER_TYPE_WAI, "WAPI" }, { 0, ""} }; static const char *_get_packet_type_str(uint16 type) { int i; int n = sizeof(packet_type_info)/sizeof(packet_type_info[1]) - 1; for (i = 0; i < n; i++) { if (packet_type_info[i].type == type) return packet_type_info[i].str; } return packet_type_info[n].str; } #endif /* DHD_RX_DUMP */ #ifdef DHD_WMF bool dhd_is_rxthread_enabled(dhd_pub_t *dhdp) { dhd_info_t *dhd = dhdp->info; return dhd->rxthread_enabled; } #endif /* DHD_WMF */ 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; #if defined(DHD_RX_DUMP) || defined(DHD_8021X_DUMP) char *dump_data; uint16 protocol; #endif /* DHD_RX_DUMP || DHD_8021X_DUMP */ DHD_TRACE(("%s: Enter\n", __FUNCTION__)); for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) { struct ether_header *eh; pnext = PKTNEXT(dhdp->osh, pktbuf); PKTSETNEXT(dhdp->osh, pktbuf, NULL); ifp = dhd->iflist[ifidx]; if (ifp == NULL) { DHD_ERROR(("%s: ifp is NULL. drop packet\n", __FUNCTION__)); PKTCFREE(dhdp->osh, pktbuf, FALSE); continue; } eh = (struct ether_header *)PKTDATA(dhdp->osh, pktbuf); /* 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 || (bcmdhd_prop_txstatus_vsdb && !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 #ifdef DHD_L2_FILTER /* If block_ping is enabled drop the ping packet */ if (dhdp->block_ping) { if (dhd_l2_filter_block_ping(dhdp, pktbuf, ifidx) == BCME_OK) { PKTFREE(dhdp->osh, pktbuf, FALSE); continue; } } #endif #ifdef DHD_WMF /* WMF processing for multicast packets */ if (ifp->wmf.wmf_enable && (ETHER_ISMULTI(eh->ether_dhost))) { dhd_sta_t *sta; int ret; sta = dhd_find_sta(dhdp, ifidx, (void *)eh->ether_shost); ret = dhd_wmf_packets_handle(dhdp, pktbuf, sta, ifidx, 1); switch (ret) { case WMF_TAKEN: /* The packet is taken by WMF. Continue to next iteration */ continue; case WMF_DROP: /* Packet DROP decision by WMF. Toss it */ DHD_ERROR(("%s: WMF decides to drop packet\n", __FUNCTION__)); PKTCFREE(dhdp->osh, pktbuf, FALSE); continue; default: /* Continue the transmit path */ break; } } #endif /* DHD_WMF */ #ifdef DHDTCPACK_SUPPRESS dhd_tcpdata_info_get(dhdp, pktbuf); #endif skb = PKTTONATIVE(dhdp->osh, pktbuf); ifp = dhd->iflist[ifidx]; if (ifp == NULL) ifp = dhd->iflist[0]; ASSERT(ifp); skb->dev = ifp->net; #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 = PKTDUP(dhdp->osh, pktbuf); dhd_sendpkt(dhdp, ifidx, npktbuf); } } #endif /* PCIE_FULL_DONGLE */ /* 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; #if defined(DHD_RX_DUMP) || defined(DHD_8021X_DUMP) || defined(DHD_DHCP_DUMP) dump_data = skb->data; protocol = (dump_data[12] << 8) | dump_data[13]; #endif /* DHD_RX_DUMP || DHD_8021X_DUMP || DHD_DHCP_DUMP */ #ifdef DHD_8021X_DUMP if (protocol == ETHER_TYPE_802_1X) /* flag false indicates Rx path */ dhd_dump_eapol_4way_message(ifidx, dump_data, false); #endif /* DHD_8021X_DUMP */ #ifdef DHD_DHCP_DUMP if (protocol != ETHER_TYPE_BRCM && protocol == ETHER_TYPE_IP) { uint16 dump_hex; uint16 source_port; uint16 dest_port; uint16 udp_port_pos; uint8 *ptr8 = (uint8 *)&dump_data[ETHER_HDR_LEN]; uint8 ip_header_len = (*ptr8 & 0x0f)<<2; udp_port_pos = ETHER_HDR_LEN + ip_header_len; source_port = (dump_data[udp_port_pos] << 8) | dump_data[udp_port_pos+1]; dest_port = (dump_data[udp_port_pos+2] << 8) | dump_data[udp_port_pos+3]; if (source_port == 0x0044 || dest_port == 0x0044) { dump_hex = (dump_data[udp_port_pos+249] << 8) | dump_data[udp_port_pos+250]; if (dump_hex == 0x0101) { DHD_ERROR(("ifidx:%d DHCP - DISCOVER [RX]\n", ifidx)); } else if (dump_hex == 0x0102) { DHD_ERROR(("ifidx:%d DHCP - OFFER [RX]\n", ifidx)); } else if (dump_hex == 0x0103) { DHD_ERROR(("ifidx:%d DHCP - REQUEST [RX]\n", ifidx)); } else if (dump_hex == 0x0105) { DHD_ERROR(("ifidx:%d DHCP - ACK [RX]\n", ifidx)); } else { DHD_ERROR(("ifidx:%d DHCP - 0x%X [RX]\n", dump_hex, ifidx)); } } else if (source_port == 0x0043 || dest_port == 0x0043) { DHD_ERROR(("ifidx:%d DHCP - BOOTP [RX]\n", ifidx)); } } #endif /* DHD_DHCP_DUMP */ #if defined(DHD_RX_DUMP) DHD_ERROR(("RX DUMP - %s\n", _get_packet_type_str(protocol))); if (protocol != ETHER_TYPE_BRCM) { if (dump_data[0] == 0xFF) { DHD_ERROR(("%s: BROADCAST\n", __FUNCTION__)); if ((dump_data[12] == 8) && (dump_data[13] == 6)) { DHD_ERROR(("%s: ARP %d\n", __FUNCTION__, dump_data[0x15])); } } else if (dump_data[0] & 1) { DHD_ERROR(("%s: MULTICAST: " MACDBG "\n", __FUNCTION__, MAC2STRDBG(dump_data))); } #ifdef DHD_RX_FULL_DUMP { int k; for (k = 0; k < skb->len; k++) { DHD_ERROR(("%02X ", dump_data[k])); if ((k & 15) == 15) DHD_ERROR(("\n")); } DHD_ERROR(("\n")); } #endif /* DHD_RX_FULL_DUMP */ } #endif /* DHD_RX_DUMP */ 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; #ifdef WLMEDIA_HTSF dhd_htsf_addrxts(dhdp, pktbuf); #endif /* Strip header, count, deliver upward */ RX_CAPTURE(skb); 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) { int ret_event; ret_event = dhd_wl_host_event(dhd, &ifidx, #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) skb_mac_header(skb), #else skb->mac.raw, #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) */ len, &event, &data); if (ret_event != BCME_OK) { PKTFREE(dhdp->osh, pktbuf, FALSE); continue; } wl_event_to_host_order(&event); if (!tout_ctrl) tout_ctrl = DHD_PACKET_TIMEOUT_MS; #if defined(PNO_SUPPORT) if (event.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 */ #ifdef DHD_DONOT_FORWARD_BCMEVENT_AS_NETWORK_PKT PKTFREE(dhdp->osh, pktbuf, FALSE); continue; #endif /* DHD_DONOT_FORWARD_BCMEVENT_AS_NETWORK_PKT */ } else { tout_rx = DHD_PACKET_TIMEOUT_MS; #ifdef PROP_TXSTATUS dhd_wlfc_save_rxpath_ac_time(dhdp, (uint8)PKTPRIO(skb)); #endif /* PROP_TXSTATUS */ } ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]); ifp = dhd->iflist[ifidx]; #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) if (ifp->net) ifp->net->last_rx = jiffies; #endif 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()) { #ifdef CONFIG_BCMDHD_CUSTOM_NET_PERF_TEGRA tegra_net_perf_rx(skb); #endif netif_rx(skb); } 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. */ #ifdef CONFIG_BCMDHD_CUSTOM_NET_PERF_TEGRA tegra_net_perf_rx(skb); #endif #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) netif_rx_ni(skb); #else ulong flags; netif_rx(skb); local_irq_save(flags); RAISE_RX_SOFTIRQ(); local_irq_restore(flags); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) */ } } } 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; #ifdef PROP_TXSTATUS dhd_if_t *ifp = dhd->iflist[DHD_PKTTAG_IF(PKTTAG(txp))]; #endif 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 ASSERT(ifp); if ( (ifp != NULL) && dhdp->wlfc_state && (dhdp->proptxstatus_mode != WLFC_FCMODE_NONE)) { uint datalen = PKTLEN(dhd->pub.osh, txp); if (success) { dhd->pub.tx_packets++; ifp->stats.tx_packets++; ifp->stats.tx_bytes += datalen; } else { ifp->stats.tx_dropped++; } } #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; int ifidx; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); ifidx = dhd_net2idx(dhd, net); if (ifidx == DHD_BAD_IF) { DHD_ERROR(("%s: BAD_IF\n", __FUNCTION__)); memset(&net->stats, 0, sizeof(net->stats)); return &net->stats; } ifp = dhd->iflist[ifidx]; ASSERT(dhd && ifp); if (dhd->pub.up) { /* Use the protocol to get dongle stats */ dhd_prot_dstats(&dhd->pub); } return &ifp->stats; } static int dhd_watchdog_thread(void *data) { tsk_ctl_t *tsk = (tsk_ctl_t *)data; dhd_info_t *dhd = (dhd_info_t *)tsk->parent; /* This thread doesn't need any user-level access, * so get rid of all our resources */ if (dhd_watchdog_prio > 0) { struct sched_param param; param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO)? dhd_watchdog_prio:(MAX_RT_PRIO-1); setScheduler(current, SCHED_FIFO, ¶m); } while (1) if (down_interruptible (&tsk->sema) == 0) { unsigned long flags; unsigned long jiffies_at_start = jiffies; unsigned long time_lapse; SMP_RD_BARRIER_DEPENDS(); if (tsk->terminated) { break; } if (dhd->pub.dongle_reset == FALSE) { DHD_TIMER(("%s:\n", __FUNCTION__)); /* Call the bus module watchdog */ dhd_bus_watchdog(&dhd->pub); DHD_GENERAL_LOCK(&dhd->pub, flags); /* Count the tick for reference */ dhd->pub.tickcnt++; 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); } } 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; } /* Call the bus module watchdog */ dhd_bus_watchdog(&dhd->pub); DHD_GENERAL_LOCK(&dhd->pub, flags); /* Count the tick for reference */ dhd->pub.tickcnt++; /* 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 ENABLE_ADAPTIVE_SCHED static void dhd_sched_policy(int prio) { struct sched_param param; if (cpufreq_quick_get(0) <= CUSTOM_CPUFREQ_THRESH) { param.sched_priority = 0; setScheduler(current, SCHED_NORMAL, ¶m); } else { if (get_scheduler_policy(current) != SCHED_FIFO) { param.sched_priority = DHD_DEFAULT_RT_PRIORITY; setScheduler(current, SCHED_FIFO, ¶m); } } } #endif /* ENABLE_ADAPTIVE_SCHED */ #ifdef DEBUG_CPU_FREQ static int dhd_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data) { dhd_info_t *dhd = container_of(nb, struct dhd_info, freq_trans); struct cpufreq_freqs *freq = data; if (dhd) { if (!dhd->new_freq) goto exit; if (val == CPUFREQ_POSTCHANGE) { DHD_ERROR(("cpu freq is changed to %u kHZ on CPU %d\n", freq->new, freq->cpu)); *per_cpu_ptr(dhd->new_freq, freq->cpu) = freq->new; } } exit: return 0; } #endif /* DEBUG_CPU_FREQ */ static int dhd_dpc_thread(void *data) { unsigned long timeout; unsigned int loopcnt, count; 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_DEFAULT_RT_PRIORITY; setScheduler(current, SCHED_FIFO, ¶m); } #ifdef CUSTOM_DPC_CPUCORE set_cpus_allowed_ptr(current, cpumask_of(CUSTOM_DPC_CPUCORE)); #endif #ifdef CUSTOM_SET_CPUCORE dhd->pub.current_dpc = current; #endif /* CUSTOM_SET_CPUCORE */ /* Run until signal received */ while (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) { dhd_os_wd_timer_extend(&dhd->pub, TRUE); timeout = jiffies + msecs_to_jiffies(100); loopcnt = 0; count = 0; /* DPC_CAPTURE(); */ while (dhd_bus_dpc(dhd->pub.bus)) { ++loopcnt; if (time_after(jiffies, timeout) && (loopcnt % 1000 == 0)) { count++; timeout = jiffies + msecs_to_jiffies(100); } /* process all data */ } if (count) DHD_ERROR(("%s is consuming too much time" " Looped %u times for 1000 iterations in 100ms timeout\n", __func__, count)); 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 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_DEFAULT_RT_PRIORITY; setScheduler(current, SCHED_FIFO, ¶m); } DAEMONIZE("dhd_rxf"); /* DHD_OS_WAKE_LOCK is called in dhd_sched_dpc[dhd_linux.c] down below */ /* signal: thread has started */ complete(&tsk->completed); #ifdef CUSTOM_SET_CPUCORE dhd->pub.current_rxf = current; #endif /* CUSTOM_SET_CPUCORE */ /* Run until signal received */ while (1) { if (down_interruptible(&tsk->sema) == 0) { void *skb; #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0) ulong flags; #endif #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); #ifdef CONFIG_BCMDHD_CUSTOM_NET_PERF_TEGRA tegra_net_perf_rx(skb); #endif #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) netif_rx_ni(skb); #else netif_rx(skb); local_irq_save(flags); RAISE_RX_SOFTIRQ(); local_irq_restore(flags); #endif skb = skbnext; } #if defined(WAIT_DEQUEUE) if (OSL_SYSUPTIME() - watchdogTime > RXF_WATCHDOG_TIME) { OSL_SLEEP(1); watchdogTime = OSL_SYSUPTIME(); } #endif DHD_OS_WAKE_UNLOCK(pub); } else break; } complete_and_exit(&tsk->completed, 0); } #ifdef BCMPCIE void dhd_dpc_kill(dhd_pub_t *dhdp) { dhd_info_t *dhd; if (!dhdp) return; dhd = dhdp->info; if (!dhd) return; tasklet_kill(&dhd->tasklet); DHD_ERROR(("%s: tasklet disabled\n", __FUNCTION__)); } #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 (dhd_bus_dpc(dhd->pub.bus)) tasklet_schedule(&dhd->tasklet); else DHD_OS_WAKE_UNLOCK(&dhd->pub); } else { dhd_bus_stop(dhd->pub.bus, TRUE); DHD_OS_WAKE_UNLOCK(&dhd->pub); } } void dhd_sched_dpc(dhd_pub_t *dhdp) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; DHD_OS_WAKE_LOCK(dhdp); if (dhd->thr_dpc_ctl.thr_pid >= 0) { /* 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 { tasklet_schedule(&dhd->tasklet); } } static void dhd_sched_rxf(dhd_pub_t *dhdp, void *skb) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; #ifdef RXF_DEQUEUE_ON_BUSY int ret = BCME_OK; int retry = 2; #endif /* RXF_DEQUEUE_ON_BUSY */ DHD_OS_WAKE_LOCK(dhdp); DHD_TRACE(("dhd_sched_rxf: Enter\n")); #ifdef RXF_DEQUEUE_ON_BUSY do { ret = dhd_rxf_enqueue(dhdp, skb); if (ret == BCME_OK || ret == BCME_ERROR) break; else OSL_SLEEP(50); /* waiting for dequeueing */ } while (retry-- > 0); if (retry <= 0 && ret == BCME_BUSY) { void *skbp = skb; while (skbp) { void *skbnext = PKTNEXT(dhdp->osh, skbp); PKTSETNEXT(dhdp->osh, skbp, NULL); #ifdef CONFIG_BCMDHD_CUSTOM_NET_PERF_TEGRA tegra_net_perf_rx(skbp); #endif netif_rx_ni(skbp); skbp = skbnext; } DHD_ERROR(("send skb to kernel backlog without rxf_thread\n")); } else { if (dhd->thr_rxf_ctl.thr_pid >= 0) { up(&dhd->thr_rxf_ctl.sema); } } #else /* RXF_DEQUEUE_ON_BUSY */ 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; #endif /* RXF_DEQUEUE_ON_BUSY */ } #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; memset(buf, 0, sizeof(buf)); ret = dhd_iovar(&dhd->pub, ifidx, "toe_ol", NULL, 0, (char *)&buf, sizeof(buf), FALSE); if (ret == -EIO) { DHD_ERROR(("%s: toe not supported by device\n", dhd_ifname(&dhd->pub, ifidx))); return -EOPNOTSUPP; } else if (ret < 0) { 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) { wl_ioctl_t ioc; int toe, ret; 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) void dhd_set_scb_probe(dhd_pub_t *dhd) { #define NUM_SCB_MAX_PROBE 3 int ret = 0; wl_scb_probe_t scb_probe; char iovbuf[WL_EVENTING_MASK_LEN + 12]; memset(&scb_probe, 0, sizeof(wl_scb_probe_t)); if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) return; bcm_mkiovar("scb_probe", NULL, 0, iovbuf, sizeof(iovbuf)); if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 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; bcm_mkiovar("scb_probe", (char *)&scb_probe, sizeof(wl_scb_probe_t), iovbuf, sizeof(iovbuf)); if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) DHD_ERROR(("%s: max_scb_probe setting failed\n", __FUNCTION__)); #undef NUM_SCB_MAX_PROBE return; } #endif /* WL_CFG80211 */ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) 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 }; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) 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 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)); drvname[sizeof(info.driver)-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; } #endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */ static bool dhd_check_hang(struct net_device *net, dhd_pub_t *dhdp, int error) { dhd_info_t *dhd; if (!dhdp) { DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__)); return FALSE; } if (!dhdp->up) return FALSE; dhd = (dhd_info_t *)dhdp->info; #if !defined(BCMPCIE) if (dhd->thr_dpc_ctl.thr_pid < 0) { DHD_ERROR(("%s : skipped due to negative pid - unloading?\n", __FUNCTION__)); return FALSE; } #endif #ifdef CONFIG_MACH_UNIVERSAL5433 /* old revision does not send hang message */ if ((check_rev() && (error == -ETIMEDOUT)) || (error == -EREMOTEIO) || #else if ((error == -ETIMEDOUT) || (error == -EREMOTEIO) || #endif /* CONFIG_MACH_UNIVERSAL5433 */ ((dhdp->busstate == DHD_BUS_DOWN) && (!dhdp->dongle_reset))) { 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)); net_os_send_hang_message(net); return TRUE; } return FALSE; } 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; goto done; } if (data_buf) buflen = MIN(ioc->len, DHD_IOCTL_MAXLEN); /* check for local dhd ioctl and handle it */ if (ioc->driver == DHD_IOCTL_MAGIC) { bcmerror = dhd_ioctl((void *)pub, ioc, data_buf, buflen); if (bcmerror) pub->bcmerror = bcmerror; goto done; } /* send to dongle (must be up, and wl). */ if (pub->busstate != DHD_BUS_DATA) { bcmerror = BCME_DONGLE_DOWN; goto done; } if (!pub->iswl) { bcmerror = BCME_DONGLE_DOWN; goto done; } /* * 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); #ifdef WLMEDIA_HTSF if (data_buf) { /* short cut wl ioctl calls here */ if (strcmp("htsf", data_buf) == 0) { dhd_ioctl_htsf_get(dhd, 0); return BCME_OK; } if (strcmp("htsflate", data_buf) == 0) { if (ioc->set) { memset(ts, 0, sizeof(tstamp_t)*TSMAX); memset(&maxdelayts, 0, sizeof(tstamp_t)); maxdelay = 0; tspktcnt = 0; maxdelaypktno = 0; memset(&vi_d1.bin, 0, sizeof(uint32)*NUMBIN); memset(&vi_d2.bin, 0, sizeof(uint32)*NUMBIN); memset(&vi_d3.bin, 0, sizeof(uint32)*NUMBIN); memset(&vi_d4.bin, 0, sizeof(uint32)*NUMBIN); } else { dhd_dump_latency(); } return BCME_OK; } if (strcmp("htsfclear", data_buf) == 0) { memset(&vi_d1.bin, 0, sizeof(uint32)*NUMBIN); memset(&vi_d2.bin, 0, sizeof(uint32)*NUMBIN); memset(&vi_d3.bin, 0, sizeof(uint32)*NUMBIN); memset(&vi_d4.bin, 0, sizeof(uint32)*NUMBIN); htsf_seqnum = 0; return BCME_OK; } if (strcmp("htsfhis", data_buf) == 0) { dhd_dump_htsfhisto(&vi_d1, "H to D"); dhd_dump_htsfhisto(&vi_d2, "D to D"); dhd_dump_htsfhisto(&vi_d3, "D to H"); dhd_dump_htsfhisto(&vi_d4, "H to H"); return BCME_OK; } if (strcmp("tsport", data_buf) == 0) { if (ioc->set) { memcpy(&tsport, data_buf + 7, 4); } else { DHD_ERROR(("current timestamp port: %d \n", tsport)); } return BCME_OK; } } #endif /* WLMEDIA_HTSF */ if ((ioc->cmd == WLC_SET_VAR || ioc->cmd == WLC_GET_VAR) && data_buf != NULL && strncmp("rpc_", data_buf, 4) == 0) { #ifdef BCM_FD_AGGR bcmerror = dhd_fdaggr_ioctl(pub, ifidx, (wl_ioctl_t *)ioc, data_buf, buflen); #else bcmerror = BCME_UNSUPPORTED; #endif goto done; } bcmerror = dhd_wl_ioctl(pub, ifidx, (wl_ioctl_t *)ioc, data_buf, buflen); done: dhd_check_hang(net, pub, bcmerror); return bcmerror; } 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; u16 buflen = 0; 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 == 0) { DHD_TRACE(("%s: Interface is down \n", __FUNCTION__)); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return BCME_NOTUP; } /* send to dongle only if we are not waiting for reload already */ if (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); DHD_OS_WAKE_UNLOCK(&dhd->pub); return OSL_ERROR(BCME_DONGLE_DOWN); } ifidx = dhd_net2idx(dhd, net); DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __FUNCTION__, ifidx, cmd)); 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 LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) if (cmd == SIOCETHTOOL) { ret = dhd_ethtool(dhd, (void*)ifr->ifr_data); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); return ret; } #endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */ if (cmd == SIOCDEVPRIVATE+1) { ret = wl_android_priv_cmd(net, ifr, cmd); dhd_check_hang(net, &dhd->pub, ret); 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 (is_compat_task()) { 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; 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; } } 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; } /* 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; } } if (!capable(CAP_NET_ADMIN)) { bcmerror = BCME_EPERM; goto done; } 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'; } bcmerror = dhd_ioctl_process(&dhd->pub, ifidx, &ioc, local_buf); 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); } static int dhd_stop(struct net_device *net) { int ifidx = 0; dhd_info_t *dhd = DHD_DEV_INFO(net); DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); DHD_TRACE(("%s: Enter %p\n", __FUNCTION__, net)); if (dhd->pub.up == 0) { goto exit; } dhd_if_flush_sta(DHD_DEV_IFP(net)); ifidx = dhd_net2idx(dhd, net); BCM_REFERENCE(ifidx); /* Set state and stop OS transmissions */ netif_stop_queue(net); dhd->pub.up = 0; #ifdef WL_CFG80211 if (ifidx == 0) { wl_cfg80211_down(NULL); /* * 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) { if ((dhd->dhd_state & DHD_ATTACH_STATE_ADD_IF) && (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211)) { int i; dhd_net_if_lock_local(dhd); for (i = 1; i < DHD_MAX_IFS; i++) dhd_remove_if(&dhd->pub, i, FALSE); #ifdef ARP_OFFLOAD_SUPPORT if (dhd_inetaddr_notifier_registered) { dhd_inetaddr_notifier_registered = FALSE; unregister_inetaddr_notifier(&dhd_inetaddr_notifier); } #endif /* ARP_OFFLOAD_SUPPORT */ #ifdef CONFIG_IPV6 if (dhd_inet6addr_notifier_registered) { dhd_inet6addr_notifier_registered = FALSE; unregister_inet6addr_notifier(&dhd_inet6addr_notifier); } #endif /* CONFIG_IPV6 */ dhd_net_if_unlock_local(dhd); } } } #endif /* WL_CFG80211 */ #ifdef PROP_TXSTATUS dhd_wlfc_cleanup(&dhd->pub, NULL, 0); #endif /* Stop the protocol module */ dhd_prot_stop(&dhd->pub); OLD_MOD_DEC_USE_COUNT; exit: #if defined(WL_CFG80211) if (ifidx == 0 && !dhd_download_fw_on_driverload) wl_android_wifi_off(net); #endif dhd->pub.rxcnt_timeout = 0; dhd->pub.txcnt_timeout = 0; dhd->pub.hang_was_sent = 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; } DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); 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; 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)); if (ret == BCME_OK) { /* basic capabilities for HS20 REL2 */ uint32 cap = WL_WNM_BSSTRANS | WL_WNM_NOTIF; ret = dhd_iovar(dhd, 0, "wnm", (char *)&cap, sizeof(cap), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s: failed to set WNM info, ret=%d\n", __FUNCTION__, ret)); } return ret; } #endif /* WL11u */ extern struct mutex net_if_lock; static int dhd_open(struct net_device *net) { dhd_info_t *dhd = DHD_DEV_INFO(net); #ifdef TOE uint32 toe_ol; #endif #ifdef BCM_FD_AGGR char iovbuf[WLC_IOCTL_SMLEN]; dbus_config_t config; uint32 agglimit = 0; uint32 rpc_agg = BCM_RPC_TP_DNGL_AGG_DPC; /* host aggr not enabled yet */ #endif /* BCM_FD_AGGR */ int ifidx; int32 ret = 0; DHD_OS_WAKE_LOCK(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); dhd->pub.dongle_trap_occured = 0; dhd->pub.hang_was_sent = 0; mutex_lock(&net_if_lock); #if !defined(WL_CFG80211) /* * 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 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 defined(WL_CFG80211) if (!dhd_download_fw_on_driverload) { DHD_ERROR(("\n%s\n", dhd_version)); #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 */ ret = wl_android_wifi_on(net); if (ret != 0) { DHD_ERROR(("%s : wl_android_wifi_on failed (%d)\n", __FUNCTION__, ret)); ret = -1; goto exit; } } #endif if (dhd->pub.busstate != DHD_BUS_DATA) { /* try to bring up bus */ DHD_PERIM_UNLOCK(&dhd->pub); ret = dhd_bus_start(&dhd->pub); DHD_PERIM_LOCK(&dhd->pub); if (ret) { DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); ret = -1; goto exit; } } #ifdef BCM_FD_AGGR config.config_id = DBUS_CONFIG_ID_AGGR_LIMIT; memset(iovbuf, 0, sizeof(iovbuf)); bcm_mkiovar("rpc_dngl_agglimit", (char *)&agglimit, 4, iovbuf, sizeof(iovbuf)); if (!dhd_wl_ioctl_cmd(&dhd->pub, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0)) { agglimit = *(uint32 *)iovbuf; config.aggr_param.maxrxsf = agglimit >> BCM_RPC_TP_AGG_SF_SHIFT; config.aggr_param.maxrxsize = agglimit & BCM_RPC_TP_AGG_BYTES_MASK; config.aggr_param.maxrxsize *= 2; /* temporary double rx size */ DHD_ERROR(("rpc_dngl_agglimit %x : sf_limit %d bytes_limit %d\n", agglimit, config.aggr_param.maxrxsf, config.aggr_param.maxrxsize)); if (bcm_rpc_tp_set_config(dhd->pub.info->rpc_th, &config)) { DHD_ERROR(("set tx/rx queue size and buffersize failed\n")); } } else { DHD_ERROR(("get rpc_dngl_agglimit failed\n")); rpc_agg &= ~BCM_RPC_TP_DNGL_AGG_DPC; } /* Set aggregation for TX */ bcm_rpc_tp_agg_set(dhd->pub.info->rpc_th, BCM_RPC_TP_HOST_AGG_MASK, rpc_agg & BCM_RPC_TP_HOST_AGG_MASK); /* Set aggregation for RX */ memset(iovbuf, 0, sizeof(iovbuf)); bcm_mkiovar("rpc_agg", (char *)&rpc_agg, sizeof(rpc_agg), iovbuf, sizeof(iovbuf)); if (!dhd_wl_ioctl_cmd(&dhd->pub, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) { dhd->pub.info->fdaggr = (rpc_agg != 0); } else { DHD_ERROR(("%s(): Setting RX aggregation failed %d\n", __FUNCTION__, ret)); } #endif /* BCM_FD_AGGR */ /* 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(WL_CFG80211) if (unlikely(wl_cfg80211_up(NULL))) { 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 */ #ifdef CONFIG_IPV6 if (!dhd_inet6addr_notifier_registered) { dhd_inet6addr_notifier_registered = TRUE; register_inet6addr_notifier(&dhd_inet6addr_notifier); } #endif /* CONFIG_IPV6 */ } dhd_set_scb_probe(&dhd->pub); #endif /* WL_CFG80211 */ } /* Allow transmit calls */ netif_start_queue(net); dhd->pub.up = 1; #ifdef BCMDBGFS dhd_dbg_init(&dhd->pub); #endif OLD_MOD_INC_USE_COUNT; exit: if (ret) dhd_stop(net); DHD_PERIM_UNLOCK(&dhd->pub); DHD_OS_WAKE_UNLOCK(&dhd->pub); mutex_unlock(&net_if_lock); return ret; } 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; } /* && 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(ifevent->ifidx, name, mac, ifevent->bssidx) == BCME_OK) return BCME_OK; #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) 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_WORK_PRIORITY_LOW); } return BCME_OK; } void dhd_p2p_ifdel(dhd_pub_t *dhdpub, int ifidx) { dhd_info_t *dhdinfo = dhdpub->info; dhdinfo->p2p_del_ifp = dhdinfo->iflist[ifidx]; dhdinfo->iflist[ifidx] = NULL; } int dhd_event_ifdel(dhd_info_t *dhdinfo, wl_event_data_if_t *ifevent, char *name, uint8 *mac) { dhd_if_event_t *if_event; #if defined(WL_CFG80211) && !defined(P2PONEINT) if (wl_cfg80211_notify_ifdel(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) 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_WORK_PRIORITY_LOW); return BCME_OK; } /* 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, char *name, uint8 *mac, uint8 bssidx, bool need_rtnl_lock) { dhd_info_t *dhdinfo = (dhd_info_t *)dhdpub->info; dhd_if_t *ifp; ASSERT(dhdinfo && (ifidx < DHD_MAX_IFS)); ifp = dhdinfo->iflist[ifidx]; if (ifp != NULL) { if (ifp->net != NULL) { DHD_ERROR(("%s: free existing IF %s\n", __FUNCTION__, ifp->net->name)); 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; 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]) { strlcpy(ifp->net->name, name, IFNAMSIZ); } #ifdef WL_CFG80211 if (ifidx == 0) #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) ifp->net->priv_destructor = free_netdev; #else ifp->net->destructor = free_netdev; #endif else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) ifp->net->priv_destructor = dhd_netdev_free; #else ifp->net->destructor = dhd_netdev_free; #endif #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) ifp->net->priv_destructor = free_netdev; #else ifp->net->destructor = free_netdev; #endif #endif /* WL_CFG80211 */ strncpy(ifp->name, ifp->net->name, IFNAMSIZ); ifp->name[IFNAMSIZ - 1] = '\0'; dhdinfo->iflist[ifidx] = ifp; #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 */ return ifp->net; fail: if (ifp != NULL) { if (ifp->net != NULL) { 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; } /* 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 */ 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; ifp = dhdinfo->iflist[ifidx]; if (ifp != NULL) { dhdinfo->iflist[ifidx] = NULL; if (ifp->net != NULL) { DHD_ERROR(("deleting interface '%s' idx %d\n", ifp->net->name, ifp->idx)); /* 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); #ifdef SET_RPS_CPUS custom_rps_map_clear(ifp->net->_rx); #endif /* SET_RPS_CPUS */ #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA if (ifidx == 0) { tegra_sysfs_unregister(&ifp->net->dev); dhdlog_sysfs_deinit(&ifp->net->dev); } #endif if (need_rtnl_lock) unregister_netdev(ifp->net); else unregister_netdevice(ifp->net); } ifp->net = NULL; } #ifdef DHD_WMF dhd_wmf_cleanup(dhdpub, ifidx); #endif /* DHD_WMF */ dhd_if_del_sta_list(ifp); MFREE(dhdinfo->pub.osh, ifp, sizeof(*ifp)); } return BCME_OK; } int dhd_remove_p2p_if(dhd_pub_t *dhdpub, int ifidx, bool need_rtnl_lock) { dhd_info_t *dhdinfo = (dhd_info_t *)dhdpub->info; dhd_if_t *ifp = dhdinfo->p2p_del_ifp; ifp = dhdinfo->p2p_del_ifp; dhdinfo->p2p_del_ifp=NULL; if (ifp != NULL) { if (ifp->net != NULL) { DHD_ERROR(("deleting interface '%s' idx %d\n", ifp->net->name, ifp->idx)); /* 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; } #ifdef DHD_WMF //Take care of this once WMF is enabled //dhd_wmf_cleanup(dhdpub, ifidx); #endif /* DHD_WMF */ dhd_if_del_sta_list(ifp); MFREE(dhdinfo->pub.osh, ifp, sizeof(*ifp)); } return BCME_OK; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) static struct net_device_ops dhd_ops_pri = { .ndo_open = dhd_open, .ndo_stop = dhd_stop, .ndo_get_stats = dhd_get_stats, .ndo_do_ioctl = dhd_ioctl_entry, .ndo_start_xmit = dhd_start_xmit, .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 }; static struct net_device_ops dhd_ops_virt = { .ndo_get_stats = dhd_get_stats, .ndo_do_ioctl = dhd_ioctl_entry, .ndo_start_xmit = dhd_start_xmit, .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 }; #ifdef P2PONEINT extern int wl_cfgp2p_if_open(struct net_device *net); extern int wl_cfgp2p_if_stop(struct net_device *net); static struct net_device_ops dhd_cfgp2p_ops_virt = { .ndo_open = wl_cfgp2p_if_open, .ndo_stop = wl_cfgp2p_if_stop, .ndo_get_stats = dhd_get_stats, .ndo_do_ioctl = dhd_ioctl_entry, .ndo_start_xmit = dhd_start_xmit, .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 /* P2PONEINT */ #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) */ #ifdef DEBUGGER extern void debugger_init(void *bus_handle); #endif #ifdef SHOW_LOGTRACE static char *logstrs_path = "/root/logstrs.bin"; module_param(logstrs_path, charp, S_IRUGO); int dhd_init_logstrs_array(dhd_event_log_t *temp) { struct file *filep = NULL; struct kstat stat; mm_segment_t fs; char *raw_fmts = NULL; int logstrs_size = 0; logstr_header_t *hdr = NULL; uint32 *lognums = NULL; char *logstrs = NULL; int ram_index = 0; char **fmts; int num_fmts = 0; uint32 i = 0; int error = 0; set_fs(KERNEL_DS); fs = get_fs(); filep = filp_open(logstrs_path, O_RDONLY, 0); if (IS_ERR(filep)) { DHD_ERROR(("Failed to open the file logstrs.bin in %s", __FUNCTION__)); goto fail; } error = vfs_stat(logstrs_path, &stat); if (error) { DHD_ERROR(("Failed in %s to find file stat", __FUNCTION__)); goto fail; } logstrs_size = (int) stat.size; raw_fmts = kmalloc(logstrs_size, GFP_KERNEL); if (raw_fmts == NULL) { DHD_ERROR(("Failed to allocate raw_fmts memory")); goto fail; } if (vfs_read(filep, raw_fmts, logstrs_size, &filep->f_pos) != logstrs_size) { DHD_ERROR(("Error: Log strings file read failed")); goto fail; } /* Remember header from the logstrs.bin file */ hdr = (logstr_header_t *) (raw_fmts + logstrs_size - sizeof(logstr_header_t)); if (hdr->log_magic == LOGSTRS_MAGIC) { /* * logstrs.bin start with header. */ num_fmts = hdr->rom_logstrs_offset / sizeof(uint32); ram_index = (hdr->ram_lognums_offset - hdr->rom_lognums_offset) / sizeof(uint32); lognums = (uint32 *) &raw_fmts[hdr->rom_lognums_offset]; logstrs = (char *) &raw_fmts[hdr->rom_logstrs_offset]; } else { /* * Legacy logstrs.bin format without header. */ num_fmts = *((uint32 *) (raw_fmts)) / sizeof(uint32); if (num_fmts == 0) { /* Legacy ROM/RAM logstrs.bin format: * - ROM 'lognums' section * - RAM 'lognums' section * - ROM 'logstrs' section. * - RAM 'logstrs' section. * * 'lognums' is an array of indexes for the strings in the * 'logstrs' section. The first uint32 is 0 (index of first * string in ROM 'logstrs' section). * * The 4324b5 is the only ROM that uses this legacy format. Use the * fixed number of ROM fmtnums to find the start of the RAM * 'lognums' section. Use the fixed first ROM string ("Con\n") to * find the ROM 'logstrs' section. */ #define NUM_4324B5_ROM_FMTS 186 #define FIRST_4324B5_ROM_LOGSTR "Con\n" ram_index = NUM_4324B5_ROM_FMTS; lognums = (uint32 *) raw_fmts; num_fmts = ram_index; logstrs = (char *) &raw_fmts[num_fmts << 2]; while (strncmp(FIRST_4324B5_ROM_LOGSTR, logstrs, 4)) { num_fmts++; logstrs = (char *) &raw_fmts[num_fmts << 2]; } } else { /* Legacy RAM-only logstrs.bin format: * - RAM 'lognums' section * - RAM 'logstrs' section. * * 'lognums' is an array of indexes for the strings in the * 'logstrs' section. The first uint32 is an index to the * start of 'logstrs'. Therefore, if this index is divided * by 'sizeof(uint32)' it provides the number of logstr * entries. */ ram_index = 0; lognums = (uint32 *) raw_fmts; logstrs = (char *) &raw_fmts[num_fmts << 2]; } } fmts = kmalloc(num_fmts * sizeof(char *), GFP_KERNEL); if (fmts == NULL) { DHD_ERROR(("Failed to allocate fmts memory")); goto fail; } for (i = 0; i < num_fmts; i++) { /* ROM lognums index into logstrs using 'rom_logstrs_offset' as a base * (they are 0-indexed relative to 'rom_logstrs_offset'). * * RAM lognums are already indexed to point to the correct RAM logstrs (they * are 0-indexed relative to the start of the logstrs.bin file). */ if (i == ram_index) { logstrs = raw_fmts; } fmts[i] = &logstrs[lognums[i]]; } temp->fmts = fmts; temp->raw_fmts = raw_fmts; temp->num_fmts = num_fmts; filp_close(filep, NULL); set_fs(fs); return 0; fail: if (raw_fmts) { kfree(raw_fmts); raw_fmts = NULL; } if (!IS_ERR(filep)) filp_close(filep, NULL); set_fs(fs); temp->fmts = NULL; return -1; } #endif /* SHOW_LOGTRACE */ #ifdef CUSTOMER_HW20 static char init_ccode[8] = {'\0'}; module_param_string(init_ccode, init_ccode, 8, 0); static int dhd_parse_ccspec(const char *spec, char *ccode, int *regrev) { char *revstr; char *endptr = NULL; int ccode_len; int rev = -1; revstr = strchr(spec, '/'); if (revstr) { rev = bcm_strtoul(revstr + 1, &endptr, 10); if (*endptr != '\0') { /* not all the value string was parsed by strtol */ DHD_ERROR(("Could not parse \"%s\" as a regulatory revision " "in the country string \"%s\"\n", revstr + 1, spec)); return BCME_ERROR; } } if (revstr) ccode_len = (int)(uintptr)(revstr - spec); else ccode_len = (int)strlen(spec); if (ccode_len > 3) { DHD_ERROR(("Could not parse a 2-3 char country code " "in the country string \"%s\"\n", spec)); return BCME_ERROR; } memcpy(ccode, spec, ccode_len); ccode[ccode_len] = '\0'; *regrev = rev; return BCME_OK; } static int dhd_init_ccode(struct net_device *ndev) { int ret = 0; wl_country_t cspec = {{0}, 0, {0}}; uint band = 0; if (init_ccode[0] == '\0') return BCME_OK; memset(&cspec, 0, sizeof(cspec)); cspec.rev = -1; DHD_ERROR(("Country Code = %s, len = %d \n", init_ccode, (int)strlen(init_ccode))); if (strncmp(init_ccode, "UY/1", 4) == 0) { band = WLC_BAND_5G; ret = wldev_ioctl(ndev, WLC_SET_BAND, &band, sizeof(band), true); WL_INFORM(("set BAND A \n")); } ret = dhd_parse_ccspec(init_ccode, cspec.country_abbrev, &cspec.rev); if (ret != BCME_OK) { DHD_ERROR(("ERROR occured when ccode is set \n")); return ret; } if (cspec.rev != -1) memcpy(cspec.ccode, cspec.country_abbrev, WLC_CNTRY_BUF_SZ); ret = wldev_ioctl(ndev, WLC_SET_COUNTRY, &cspec, sizeof(cspec), true); if (ret != BCME_OK) { DHD_ERROR(("%s: country code set failed %d\n", __FUNCTION__, ret)); return ret; } memset(&cspec, 0, sizeof(cspec)); ret = wldev_ioctl(ndev, WLC_GET_COUNTRY, &cspec, sizeof(cspec), false); if (ret != BCME_OK) DHD_ERROR(("%s: country code get failed %d\n", __FUNCTION__, ret)); else DHD_ERROR(("Get Country Code = %s %d %s\n", cspec.country_abbrev, cspec.rev, cspec.ccode)); return ret; } #endif /* CUSTOMER_HW20 */ dhd_pub_t * dhd_attach(osl_t *osh, struct dhd_bus *bus, uint bus_hdrlen) { dhd_info_t *dhd = NULL; struct net_device *net = NULL; char if_name[IFNAMSIZ] = {'\0'}; uint32 bus_type = -1; uint32 bus_num = -1; uint32 slot_num = -1; wifi_adapter_info_t *adapter = NULL; dhd_attach_states_t dhd_state = DHD_ATTACH_STATE_INIT; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); /* will implement get_ids for DBUS later */ #if defined(BCMSDIO) dhd_bus_get_ids(bus, &bus_type, &bus_num, &slot_num); #endif adapter = dhd_wifi_platform_get_adapter(bus_type, bus_num, slot_num); /* 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 fail; } } 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; dhd->adapter = adapter; #ifdef GET_CUSTOM_MAC_ENABLE wifi_platform_get_mac_addr(dhd->adapter, dhd->pub.mac.octet); #endif /* GET_CUSTOM_MAC_ENABLE */ dhd->thr_dpc_ctl.thr_pid = DHD_PID_KT_TL_INVALID; dhd->thr_wdt_ctl.thr_pid = DHD_PID_KT_INVALID; /* Initialize thread based operation and lock */ sema_init(&dhd->sdsem, 1); /* 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); /* Link to info module */ dhd->pub.info = dhd; /* Link to bus module */ dhd->pub.bus = bus; dhd->pub.hdrlen = bus_hdrlen; /* 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)) strcat(if_name, "%d"); } net = dhd_allocate_if(&dhd->pub, 0, if_name, NULL, 0, TRUE); if (net == NULL) goto fail; dhd_state |= DHD_ATTACH_STATE_ADD_IF; #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) net->open = NULL; #else net->netdev_ops = NULL; #endif sema_init(&dhd->proto_sem, 1); #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); /* 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); #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); dhd->wakelock_counter = 0; dhd->wakelock_wd_counter = 0; dhd->wakelock_rx_timeout_enable = 0; dhd->wakelock_ctrl_timeout_enable = 0; #ifdef CONFIG_PM_WAKELOCKS wakeup_source_init(&dhd->wl_wifi, "wlan_wake"); wakeup_source_init(&dhd->wl_rxwake, "wlan_rx_wake"); wakeup_source_init(&dhd->wl_ctrlwake, "wlan_ctrl_wake"); wakeup_source_init(&dhd->wl_wdwake, "wlan_wd_wake"); #ifdef BCMPCIE_OOB_HOST_WAKE wakeup_source_init(&dhd->wl_intrwake, WAKE_LOCK_SUSPEND, "wlan_oob_irq_wake"); #endif /* BCMPCIE_OOB_HOST_WAKE */ #endif /* CONFIG_PM_WAKELOCKS */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) mutex_init(&dhd->dhd_net_if_mutex); mutex_init(&dhd->dhd_suspend_mutex); write_log_init(); #endif 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 /* 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 #ifdef SHOW_LOGTRACE dhd_init_logstrs_array(&dhd->event_data); #endif /* SHOW_LOGTRACE */ 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; } /* Set up the watchdog timer */ init_timer(&dhd->timer); dhd->timer.data = (ulong)dhd; dhd->timer.function = dhd_watchdog; 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"); } else { dhd->thr_wdt_ctl.thr_pid = -1; } #ifdef DEBUGGER debugger_init((void *) bus); #endif /* 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"); } 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"); } dhd_state |= DHD_ATTACH_STATE_THREADS_CREATED; #if defined(CONFIG_PM_SLEEP) if (!dhd_pm_notifier_registered) { dhd_pm_notifier_registered = TRUE; 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 */ #ifdef CONFIG_IPV6 if (!dhd_inet6addr_notifier_registered) { dhd_inet6addr_notifier_registered = TRUE; register_inet6addr_notifier(&dhd_inet6addr_notifier); } #endif dhd->dhd_deferred_wq = dhd_deferred_work_init((void *)dhd); #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 #ifdef DHDTCPACK_SUPPRESS #ifdef BCMSDIO dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_REPLACE); #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 */ dhd_state |= DHD_ATTACH_STATE_DONE; dhd->dhd_state = dhd_state; dhd_found++; #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) dhd_global = dhd; #endif /* CUSTOMER_HW20 && WLANAUDIO */ 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); } 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; } static inline bool is_file_valid(const char *file) { struct file *fp; mm_segment_t old_fs = get_fs(); if (!file) return false; set_fs(KERNEL_DS); fp = filp_open(file, O_RDONLY, 0); if (IS_ERR_OR_NULL(fp)) { set_fs(old_fs); return false; } filp_close(fp, NULL); set_fs(old_fs); return true; } bool dhd_update_fw_nv_path(dhd_info_t *dhdinfo) { int fw_len; int nv_len; const char *fw = NULL; const char *nv = NULL; wifi_adapter_info_t *adapter = dhdinfo->adapter; /* 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 if (is_file_valid(CONFIG_BCMDHD_FW_PATH)) fw = CONFIG_BCMDHD_FW_PATH; #endif /* CONFIG_BCMDHD_FW_PATH */ #ifdef CONFIG_BCMDHD_NVRAM_PATH if (is_file_valid(CONFIG_BCMDHD_NVRAM_PATH)) nv = CONFIG_BCMDHD_NVRAM_PATH; #endif /* CONFIG_BCMDHD_NVRAM_PATH */ } /* check if we need to initialize the path */ if (adapter && adapter->fw_path && adapter->fw_path[0] != '\0') { if (is_file_valid(adapter->fw_path)) fw = adapter->fw_path; } if (adapter && adapter->nv_path && adapter->nv_path[0] != '\0') { if (is_file_valid(adapter->nv_path)) nv = adapter->nv_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') { if (is_file_valid(firmware_path)) fw = firmware_path; } if (nvram_path[0] != '\0') { if (is_file_valid(nvram_path)) nv = nvram_path; } if (fw && fw[0] != '\0') { fw_len = strlen(fw); if (fw_len >= sizeof(dhdinfo->fw_path)) { DHD_ERROR(("fw path len exceeds max len of dhdinfo->fw_path\n")); return FALSE; } strncpy(dhdinfo->fw_path, fw, sizeof(dhdinfo->fw_path)); 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 >= sizeof(dhdinfo->nv_path)) { DHD_ERROR(("nvram path len exceeds max len of dhdinfo->nv_path\n")); return FALSE; } strncpy(dhdinfo->nv_path, nv, sizeof(dhdinfo->nv_path)); if (dhdinfo->nv_path[nv_len-1] == '\n') dhdinfo->nv_path[nv_len-1] = '\0'; } /* clear the path in module parameter */ firmware_path[0] = '\0'; nvram_path[0] = '\0'; #ifndef BCMEMBEDIMAGE /* 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; } #endif /* BCMEMBEDIMAGE */ return TRUE; } int dhd_bus_start(dhd_pub_t *dhdp) { int ret = -1; dhd_info_t *dhd = (dhd_info_t*)dhdp->info; unsigned long flags; ASSERT(dhd); DHD_TRACE(("Enter %s:\n", __FUNCTION__)); 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)) { DHD_INFO(("%s download fw %s, nv %s\n", __FUNCTION__, dhd->fw_path, dhd->nv_path)); ret = dhd_bus_download_firmware(dhd->pub.bus, dhd->pub.osh, dhd->fw_path, dhd->nv_path); if (ret < 0) { DHD_ERROR(("%s: failed to download firmware %s\n", __FUNCTION__, dhd->fw_path)); DHD_PERIM_UNLOCK(dhdp); return ret; } } if (dhd->pub.busstate != DHD_BUS_LOAD) { DHD_PERIM_UNLOCK(dhdp); return -ENETDOWN; } dhd_os_sdlock(dhdp); /* 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)); dhd_os_sdunlock(dhdp); DHD_PERIM_UNLOCK(dhdp); return ret; } #if defined(OOB_INTR_ONLY) || defined(BCMPCIE_OOB_HOST_WAKE) #if defined(BCMPCIE_OOB_HOST_WAKE) dhd_os_sdunlock(dhdp); #endif /* 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); dhd_os_sdunlock(dhdp); del_timer_sync(&dhd->timer); #endif /* BCMPCIE_OOB_HOST_WAKE */ DHD_PERIM_UNLOCK(dhdp); DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); DHD_ERROR(("%s Host failed to register for OOB\n", __FUNCTION__)); return -ENODEV; } #if defined(BCMPCIE_OOB_HOST_WAKE) dhd_os_sdlock(dhdp); 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 */ #endif #ifdef PCIE_FULL_DONGLE { uint8 txpush = 0; uint32 num_flowrings; /* includes H2D common rings */ num_flowrings = dhd_bus_max_h2d_queues(dhd->pub.bus, &txpush); DHD_ERROR(("%s: Initializing %u flowrings\n", __FUNCTION__, num_flowrings)); if ((ret = dhd_flow_rings_init(&dhd->pub, num_flowrings)) != BCME_OK) { dhd_os_sdunlock(dhdp); DHD_PERIM_UNLOCK(dhdp); return ret; } } #endif /* PCIE_FULL_DONGLE */ /* Do protocol initialization necessary for IOCTL/IOVAR */ dhd_prot_init(&dhd->pub); /* 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); dhd_os_sdunlock(dhdp); del_timer_sync(&dhd->timer); DHD_ERROR(("%s failed bus is not ready\n", __FUNCTION__)); DHD_PERIM_UNLOCK(dhdp); DHD_OS_WD_WAKE_UNLOCK(&dhd->pub); return -ENODEV; } dhd_os_sdunlock(dhdp); /* Bus is ready, query any dongle information */ if ((ret = dhd_sync_with_dongle(&dhd->pub)) < 0) { DHD_PERIM_UNLOCK(dhdp); return ret; } #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; } #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; 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; } } 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; } #ifdef PCIE_FULL_DONGLE void dhd_tdls_update_peer_info(struct net_device *dev, bool connect, uint8 *da) { dhd_info_t *dhd = DHD_DEV_INFO(dev); dhd_pub_t *dhdp = (dhd_pub_t *)&dhd->pub; tdls_peer_node_t *cur = dhdp->peer_tbl.node; tdls_peer_node_t *new = NULL, *prev = NULL; dhd_if_t *dhdif; uint8 sa[ETHER_ADDR_LEN]; int ifidx = dhd_net2idx(dhd, dev); if (ifidx == DHD_BAD_IF) return; dhdif = dhd->iflist[ifidx]; memcpy(sa, dhdif->mac_addr, ETHER_ADDR_LEN); 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; } cur = cur->next; } new = MALLOC(dhdp->osh, sizeof(tdls_peer_node_t)); if (new == NULL) { DHD_ERROR(("%s: Failed to allocate memory\n", __FUNCTION__)); return; } memcpy(new->addr, da, ETHER_ADDR_LEN); new->next = dhdp->peer_tbl.node; dhdp->peer_tbl.node = new; dhdp->peer_tbl.tdls_peer_count++; } else { while (cur != NULL) { if (!memcmp(da, cur->addr, ETHER_ADDR_LEN)) { dhd_flow_rings_delete_for_peer(dhdp, ifidx, da); if (prev) prev->next = cur->next; else dhdp->peer_tbl.node = cur->next; MFREE(dhdp->osh, cur, sizeof(tdls_peer_node_t)); dhdp->peer_tbl.tdls_peer_count--; return; } prev = cur; cur = cur->next; } DHD_ERROR(("%s: TDLS Peer Entry Not found\n", __FUNCTION__)); } } #endif /* PCIE_FULL_DONGLE */ #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 defined(WL_ENABLE_P2P_IF) || defined(WL_CFG80211_P2P_DEV_IF) /* For customer_hw4, although ICS, * we still support concurrent mode */ return ret; #else return 0; #endif } } } return 0; } #endif #ifdef SUPPORT_AP_POWERSAVE #define RXCHAIN_PWRSAVE_PPS 10 #define RXCHAIN_PWRSAVE_QUIET_TIME 10 #define RXCHAIN_PWRSAVE_STAS_ASSOC_CHECK 0 int dhd_set_ap_powersave(dhd_pub_t *dhdp, int ifidx, int enable) { char iovbuf[128]; int32 pps = RXCHAIN_PWRSAVE_PPS; int32 quiet_time = RXCHAIN_PWRSAVE_QUIET_TIME; int32 stas_assoc_check = RXCHAIN_PWRSAVE_STAS_ASSOC_CHECK; if (enable) { bcm_mkiovar("rxchain_pwrsave_enable", (char *)&enable, 4, iovbuf, sizeof(iovbuf)); if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { DHD_ERROR(("Failed to enable AP power save")); } bcm_mkiovar("rxchain_pwrsave_pps", (char *)&pps, 4, iovbuf, sizeof(iovbuf)); if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { DHD_ERROR(("Failed to set pps")); } bcm_mkiovar("rxchain_pwrsave_quiet_time", (char *)&quiet_time, 4, iovbuf, sizeof(iovbuf)); if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { DHD_ERROR(("Failed to set quiet time")); } bcm_mkiovar("rxchain_pwrsave_stas_assoc_check", (char *)&stas_assoc_check, 4, iovbuf, sizeof(iovbuf)); if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { DHD_ERROR(("Failed to set stas assoc check")); } } else { bcm_mkiovar("rxchain_pwrsave_enable", (char *)&enable, 4, iovbuf, sizeof(iovbuf)); if (dhd_wl_ioctl_cmd(dhdp, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0) != BCME_OK) { DHD_ERROR(("Failed to disable AP power save")); } } return 0; } #endif /* SUPPORT_AP_POWERSAVE */ int dhd_apply_default_clm(dhd_pub_t *dhd, char *clm_path) { char *clm_blob_path = NULL; #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA char *append_result = NULL; #endif /*CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA */ int len; char *memblock = NULL; int err = BCME_OK; char iovbuf[WLC_IOCTL_SMLEN]; wl_country_t *cspec; dhd_info_t *dhdinfo; wifi_adapter_info_t *adapter; /* Initialize clm path per below precedence * 1. From DT * 2. From module param * 3. From defconfig */ dhdinfo = (dhd_info_t *) dhd->info; if (dhdinfo) { adapter = (wifi_adapter_info_t *)dhdinfo->adapter; if (adapter && adapter->clm_blob_path && adapter->clm_blob_path[0] != '\0') { #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA if (wifi_product_value[0] != '\0') { get_product_blob_path( (char *)adapter->clm_blob_path, &append_result); } if (append_result && is_file_valid(append_result)) { clm_blob_path = append_result; DHD_ERROR(("clm path based on wifi product value :%s\n", clm_blob_path)); goto load_clm_blob; } else #endif /*CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA */ if (is_file_valid(adapter->clm_blob_path)) { clm_blob_path = (char *) adapter->clm_blob_path; DHD_ERROR(("clm path from dt:%s\n", clm_blob_path)); goto load_clm_blob; } } } if (clm_path[0] != '\0') { if (strlen(clm_path) > MOD_PARAM_PATHLEN) { DHD_ERROR(("clm path exceeds max len\n")); return BCME_ERROR; } clm_blob_path = clm_path; DHD_ERROR(("clm path from module param:%s\n", clm_path)); } else { clm_blob_path = CONFIG_BCMDHD_CLM_PATH; DHD_ERROR(("clm path from default:%s\n", clm_blob_path)); } /* If CLM blob file is found on the filesystem, download the file. * After CLM file download or If the blob file is not present, * validate the country code before proceeding with the initialization. * If country code is not valid, fail the initialization. */ load_clm_blob: len = MAX_CLM_BUF_SIZE; dhd_get_download_buffer(dhd, clm_blob_path, CLM_BLOB, &memblock, &len); if ((len > 0) && (len < MAX_CLM_BUF_SIZE) && memblock) { /* Found blob file. Download the file */ DHD_ERROR(("clm file download from %s\n", clm_blob_path)); err = dhd_download_clm_blob(dhd, memblock, len); if (err) { DHD_ERROR(("%s: CLM download failed err=%d\n", __func__, err)); /* Retrieve clmload_status and print */ bcm_mkiovar("clmload_status", NULL, 0, iovbuf, sizeof(iovbuf)); err = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0); if (err) { DHD_ERROR(("%s: clmload_status get failed err = %d\n", __func__, err)); } else { DHD_INFO(("%s: clmload_status: %d\n", __func__, *((int *)iovbuf))); } err = BCME_ERROR; goto exit; } else { DHD_ERROR(("%s: CLM download succeeded\n", __func__)); } } else { DHD_ERROR(("Skipping the clm download. len:%d memblk:%p\n", len, memblock)); } /* Verify country code */ bcm_mkiovar("country", NULL, 0, iovbuf, sizeof(iovbuf)); err = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0); if (err) { DHD_ERROR(("%s: country code get failed\n", __func__)); goto exit; } cspec = (wl_country_t *)iovbuf; if (!strncmp(cspec->ccode, WL_CCODE_NULL_COUNTRY, WLC_CNTRY_BUF_SZ)) { /* Country code not initialized or CLM download not proper */ DHD_ERROR(("country code not initialized\n")); err = BCME_ERROR; } exit: if (memblock) { dhd_free_download_buffer(dhd, memblock, MAX_CLM_BUF_SIZE); } #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA if (append_result) { kfree(append_result); } #endif /*CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA */ return err; } 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; uint32 rpt_hitxrate = 1; uint8 msglen; eventmsgs_ext_t *eventmask_msg = NULL; char* iov_buf = NULL; int ret2 = 0; #if defined(CUSTOM_AMPDU_BA_WSIZE) uint32 ampdu_ba_wsize = 0; #endif #if defined(CUSTOM_AMPDU_MPDU) int32 ampdu_mpdu = 0; #endif #if defined(CUSTOM_AMPDU_RELEASE) int32 ampdu_release = 0; #endif #if defined(CUSTOM_AMSDU_AGGSF) int32 amsdu_aggsf = 0; #endif #if defined(BCMSDIO) #ifdef PROP_TXSTATUS int wlfc_enable = TRUE; #ifndef DISABLE_11N uint32 hostreorder = 1; #endif /* DISABLE_11N */ #endif /* PROP_TXSTATUS */ #endif #ifdef PCIE_FULL_DONGLE uint32 wl_ap_isolate; #endif /* PCIE_FULL_DONGLE */ #ifdef DHD_ENABLE_LPC uint32 lpc = 1; #endif /* DHD_ENABLE_LPC */ uint power_mode = PM_FAST; uint32 dongle_align = DHD_SDALIGN; #if defined(BCMSDIO) uint32 glom = CUSTOM_GLOM_SETTING; #endif /* defined(BCMSDIO) */ #if defined(CUSTOMER_HW2) && defined(USE_WL_CREDALL) uint32 credall = 1; #endif #if defined(VSDB) || defined(ROAM_ENABLE) uint bcn_timeout = CUSTOM_BCN_TIMEOUT; #else uint bcn_timeout = 4; #endif uint retry_max = 3; #if defined(ARP_OFFLOAD_SUPPORT) int arpoe = 1; #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 */ #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 */ #else #ifdef DISABLE_BUILTIN_ROAM uint roamvar = 1; #endif /* DISABLE_BUILTIN_ROAM */ #endif /* ROAM_ENABLE */ #if defined(SOFTAP) uint dtim = 1; #endif #if (defined(AP) && !defined(WLP2P)) || (!defined(AP) && defined(WL_CFG80211)) uint32 mpc = 0; /* Turn MPC off for AP/APSTA mode */ struct ether_addr p2p_ea; #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; #endif /* GET_CUSTOM_MAC_ENABLE */ #ifdef CUSTOM_AMPDU_BA_WSIZE struct ampdu_tid_control atc; #endif #ifdef DISABLE_11N uint32 nmode = 0; #endif /* DISABLE_11N */ #ifdef USE_WL_TXBF uint32 txbf = 1; #endif /* USE_WL_TXBF */ #ifdef USE_WL_FRAMEBURST uint32 frameburst = 1; #endif /* USE_WL_FRAMEBURST */ #ifdef CUSTOM_PSPRETEND_THR uint32 pspretend_thr = CUSTOM_PSPRETEND_THR; #endif #ifdef RXCB uint32 rxcb = 1; #endif #ifdef PKT_FILTER_SUPPORT dhd_pkt_filter_enable = TRUE; #endif /* PKT_FILTER_SUPPORT */ #ifdef WLTDLS dhd->tdls_enable = FALSE; #endif /* WLTDLS */ dhd->suspend_bcn_li_dtim = CUSTOM_SUSPEND_BCN_LI_DTIM; DHD_TRACE(("Enter %s\n", __FUNCTION__)); dhd->op_mode = 0; if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_MFG_MODE) || (op_mode == DHD_FLAG_MFG_MODE)) { /* 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 GET_CUSTOM_MAC_ENABLE ret = wifi_platform_get_mac_addr(dhd->info->adapter, ea_addr.octet); if (!ret) { ret = dhd_iovar(dhd, 0, "cur_etheraddr", (char *)&ea_addr, ETHER_ADDR_LEN, NULL, 0, TRUE); if (ret < 0) { DHD_ERROR(("%s: can't set MAC address , error=%d\n", __FUNCTION__, ret)); ret = BCME_NOTUP; goto done; } memcpy(dhd->mac.octet, ea_addr.octet, ETHER_ADDR_LEN); } else { #endif /* GET_CUSTOM_MAC_ENABLE */ /* Get the default device MAC address directly from firmware */ memset(buf, 0, sizeof(buf)); ret = dhd_iovar(dhd, 0, "cur_etheraddr", NULL, 0, (char *)&buf, sizeof(buf), FALSE); if (ret < 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); #ifdef GET_CUSTOM_MAC_ENABLE } #endif /* GET_CUSTOM_MAC_ENABLE */ /* get a capabilities from firmware */ ret = dhd_iovar(dhd, 0, "cap", NULL, 0, (char *)&dhd->fw_capabilities, sizeof(dhd->fw_capabilities), FALSE); if (ret < 0) { DHD_ERROR(("%s: Get Capability failed (error=%d)\n", __FUNCTION__, ret)); goto done; } 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 dhd->op_mode = DHD_FLAG_HOSTAP_MODE; #if defined(ARP_OFFLOAD_SUPPORT) arpoe = 0; #endif #ifdef PKT_FILTER_SUPPORT dhd_pkt_filter_enable = FALSE; #endif #ifdef SET_RANDOM_MAC_SOFTAP SRANDOM32((uint)jiffies); rand_mac = RANDOM32(); iovbuf[0] = 0x02; /* locally administered bit */ iovbuf[1] = 0x1A; iovbuf[2] = 0x11; 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 */ #if !defined(AP) && defined(WL_CFG80211) /* Turn off MPC in AP mode */ ret = dhd_iovar(dhd, 0, "mpc", (char *)&mpc, sizeof(mpc), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s mpc for HostAPD failed %d\n", __FUNCTION__, ret)); #endif #ifdef SUPPORT_AP_POWERSAVE dhd_set_ap_powersave(dhd, 0, TRUE); #endif #ifdef SOFTAP_UAPSD_OFF bcm_mkiovar("wme_apsd", (char *)&wme_apsd, 4, iovbuf, sizeof(iovbuf)); if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) DHD_ERROR(("%s: set wme_apsd 0 fail (error=%d)\n", __FUNCTION__, ret)); #endif /* SOFTAP_UAPSD_OFF */ } 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; } 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 #ifdef PKT_FILTER_SUPPORT dhd_pkt_filter_enable = FALSE; #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 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 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 } DHD_ERROR(("Firmware up: op_mode=0x%04x, MAC="MACDBG"\n", dhd->op_mode, MAC2STRDBG(dhd->mac.octet))); /* Set Country code */ if (dhd->dhd_cspec.ccode[0] != 0) { ret = dhd_iovar(dhd, 0, "country", (char *)&dhd->dhd_cspec, sizeof(dhd->dhd_cspec), 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) /* Disable built-in roaming to allowed ext supplicant to take care of roaming */ if (builtin_roam_disabled) roamvar = 1; dhd_iovar(dhd, 0, "roam_off", (char *)&roamvar, sizeof(roamvar), NULL, 0, TRUE); #endif /* ROAM_ENABLE || DISABLE_BUILTIN_ROAM */ #if defined(ROAM_ENABLE) if (!builtin_roam_disabled) { 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 WLTDLS /* by default TDLS on and auto mode off */ _dhd_tdls_enable(dhd, true, false, NULL); #endif /* WLTDLS */ #ifdef DHD_ENABLE_LPC if (bcmdhd_dhd_enable_lpc) { /* Set lpc 1 */ ret = dhd_iovar(dhd, 0, "lpc", (char *)&lpc, sizeof(lpc), NULL, 0, TRUE); if (ret < 0) { if (ret != BCME_NOTDOWN) { DHD_ERROR(("%s Set lpc fail %d\n", __FUNCTION__, ret)); } else { u32 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); if (ret < 0) DHD_ERROR(("%s Set lpc ret --> %d\n", __FUNCTION__, ret)); } } } #endif /* DHD_ENABLE_LPC */ /* Set PowerSave mode */ dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode), TRUE, 0); /* Match Host and Dongle rx alignment */ dhd_iovar(dhd, 0, "bus:txglomalign", (char *)&dongle_align, sizeof(dongle_align), NULL, 0, TRUE); #if defined(CUSTOMER_HW2) && defined(USE_WL_CREDALL) /* enable credall to reduce the chance of no bus credit happened. */ dhd_iovar(dhd, 0, "bus:credall", (char *)&credall, sizeof(credall), NULL, 0, TRUE); #endif #if defined(BCMSDIO) if (glom != DEFAULT_GLOM_VALUE) { DHD_INFO(("%s set glom=0x%X\n", __FUNCTION__, glom)); 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 */ 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 */ dhd_iovar(dhd, 0, "assoc_retry_max", (char *)&retry_max, sizeof(retry_max), NULL, 0, TRUE); #if defined(AP) && !defined(WLP2P) /* Turn off MPC in AP mode */ dhd_iovar(dhd, 0, "mpc", (char *)&mpc, sizeof(mpc), NULL, 0, TRUE); dhd_iovar(dhd, 0, "apsta", (char *)&apsta, sizeof(apsta), NULL, 0, TRUE); #endif /* defined(AP) && !defined(WLP2P) */ #if defined(SOFTAP) if (ap_fw_loaded == TRUE) { dhd_wl_ioctl_cmd(dhd, WLC_SET_DTIMPRD, (char *)&dtim, sizeof(dtim), TRUE, 0); } #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 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) */ ret = dhd_apply_default_clm(dhd, clm_path); if (ret < 0) { DHD_ERROR(("%s: CLM set failed. Abort initialization.\n", __FUNCTION__)); goto done; } #ifdef USE_WL_TXBF if (bcmdhd_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 */ #ifdef USE_WL_FRAMEBURST if (bcmdhd_use_wl_frameburst) { /* Set frameburst to value */ if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_FAKEFRAG, (char *)&frameburst, sizeof(frameburst), TRUE, 0)) < 0) { DHD_ERROR(("%s Set frameburst failed %d\n", __FUNCTION__, ret)); } } #endif /* USE_WL_FRAMEBURST */ #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 if (ampdu_ba_wsize != 0) { ret = dhd_iovar(dhd, 0, "ampdu_ba_wsize", (char *)&du_ba_wsize, sizeof(ampdu_ba_wsize), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s Set ampdu_ba_wsize to %d failed %d\n", __FUNCTION__, ampdu_ba_wsize, ret)); } atc.tid = 7; atc.enable = 0; bcm_mkiovar("ampdu_rx_tid", (char *)&atc, sizeof(atc), iovbuf, sizeof(iovbuf)); dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); #endif iov_buf = (char*)kmalloc(WLC_IOCTL_SMLEN, GFP_KERNEL); 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_MPDU) if (bcmdhd_use_custom_ampdu_mpdu) { ampdu_mpdu = CUSTOM_AMPDU_MPDU; if (ampdu_mpdu != 0 && (ampdu_mpdu <= ampdu_ba_wsize)) { ret = dhd_iovar(dhd, 0, "ampdu_mpdu", (char *)&du_mpdu, sizeof(ampdu_mpdu), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s Set ampdu_mpdu to %d failed %d\n", __FUNCTION__, CUSTOM_AMPDU_MPDU, ret)); } } #endif /* CUSTOM_AMPDU_MPDU */ #if defined(CUSTOM_AMPDU_RELEASE) ampdu_release = CUSTOM_AMPDU_RELEASE; if (ampdu_release != 0 && (ampdu_release <= ampdu_ba_wsize)) { ret = dhd_iovar(dhd, 0, "ampdu_release", (char *)&du_release, sizeof(ampdu_release), NULL, 0, TRUE); if (ret < 0) DHD_ERROR(("%s Set ampdu_release to %d failed %d\n", __FUNCTION__, CUSTOM_AMPDU_RELEASE, ret)); } #endif /* CUSTOM_AMPDU_RELEASE */ #if defined(CUSTOM_AMSDU_AGGSF) amsdu_aggsf = CUSTOM_AMSDU_AGGSF; if (amsdu_aggsf != 0) { bcm_mkiovar("amsdu_aggsf", (char *)&amsdu_aggsf, 4, iovbuf, sizeof(iovbuf)); if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { DHD_ERROR(("%s Set amsdu_aggsf to %d failed %d\n", __FUNCTION__, CUSTOM_AMSDU_AGGSF, ret)); } } #endif /* CUSTOM_AMSDU_AGGSF */ #ifdef CUSTOM_PSPRETEND_THR if (bcmdhd_use_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 /* Set the rpt_hitxrate to 1 so that link speed updated by WLC_GET_RATE * is the maximum trasnmit rate * rpt_hitxrate 0 : Here the rate reported is the most used rate in * the link. * rpt_hitxrate 1 : Here the rate reported is the highest used rate * in the link. */ bcm_mkiovar("rpt_hitxrate", (char *)&rpt_hitxrate, 4, iovbuf, sizeof(iovbuf)); ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); if (ret < 0) { DHD_ERROR(("%s Set rpt_hitxrate failed %d\n", __FUNCTION__, ret)); } 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)); /* Read event_msgs mask */ ret = dhd_iovar(dhd, 0, "event_msgs", NULL, 0, (char *)&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); 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_NDIS_LINK); setbit(eventmask, WLC_E_MIC_ERROR); setbit(eventmask, WLC_E_ASSOC_REQ_IE); setbit(eventmask, WLC_E_ASSOC_RESP_IE); #ifndef WL_CFG80211 setbit(eventmask, WLC_E_PMKID_CACHE); setbit(eventmask, WLC_E_TXFAIL); #endif setbit(eventmask, WLC_E_JOIN_START); setbit(eventmask, WLC_E_SCAN_COMPLETE); #ifdef WLMEDIA_HTSF setbit(eventmask, WLC_E_HTSFSYNC); #endif /* WLMEDIA_HTSF */ #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 */ /* WLC_E_ROAM event is depricated for bcm4354 WLC_E_BSSID event is used for roaming in bcm4354*/ #ifndef DISABLE_ROAM_EVENT if (!bcmdhd_disable_roam_event) { setbit(eventmask, WLC_E_ROAM); } #endif /* DISABLE_ROAM_EVENT */ setbit(eventmask, WLC_E_BSSID); #ifdef WLTDLS setbit(eventmask, WLC_E_TDLS_PEER_EVENT); #endif /* WLTDLS */ #ifdef WL_CFG80211 setbit(eventmask, WLC_E_ESCAN_RESULT); if (dhd->op_mode & DHD_FLAG_P2P_MODE) { setbit(eventmask, WLC_E_ACTION_FRAME_RX); setbit(eventmask, WLC_E_P2P_DISC_LISTEN_COMPLETE); } #endif /* WL_CFG80211 */ setbit(eventmask, WLC_E_TRACE); setbit(eventmask, WLC_E_CSA_COMPLETE_IND); /* Write updated Event mask */ ret = dhd_iovar(dhd, 0, "event_msgs", eventmask, sizeof(eventmask), 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*)kmalloc(msglen, GFP_KERNEL); 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 != BCME_UNSUPPORTED) ret = ret2; if (ret2 == 0) { /* event_msgs_ext must be supported */ bcopy(iov_buf, eventmask_msg, msglen); #ifdef BT_WIFI_HANDOVER setbit(eventmask_msg->mask, WLC_E_BT_WIFI_HANDOVER_REQ); #endif /* BT_WIFI_HANDOVER */ /* 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 < 0 && ret2 != BCME_UNSUPPORTED) { DHD_ERROR(("%s read event mask ext failed %d\n", __FUNCTION__, ret2)); goto done; } /* unsupported is ok */ 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 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 */ dhd->pktfilter_count = 6; /* Setup filter to allow only unicast */ dhd->pktfilter[DHD_UNICAST_FILTER_NUM] = "100 0 0 0 0x01 0x00"; dhd->pktfilter[DHD_BROADCAST_FILTER_NUM] = NULL; dhd->pktfilter[DHD_MULTICAST4_FILTER_NUM] = NULL; dhd->pktfilter[DHD_MULTICAST6_FILTER_NUM] = NULL; /* Add filter to pass multicastDNS packet and NOT filter out as Broadcast */ dhd->pktfilter[DHD_MDNS_FILTER_NUM] = "104 0 0 0 0xFFFFFFFFFFFF 0x01005E0000FB"; /* apply APP pktfilter */ dhd->pktfilter[DHD_ARP_FILTER_NUM] = "105 0 0 12 0xFFFF 0x0806"; #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 */ /* query for 'ver' to get version info from firmware */ ret = dhd_iovar(dhd, 0, "ver", NULL, 0, (char *)&buf, sizeof(buf), FALSE); if (ret == BCME_OK) { ptr = buf; bcmstrtok(&ptr, "\n", 0); /* Print fw version info */ DHD_ERROR(("Firmware version = %s\n", buf)); #if defined(BCMSDIO) dhd_set_version_info(dhd, buf); #endif /* defined(BCMSDIO) */ } else { DHD_ERROR(("%s failed %d\n", __FUNCTION__, ret)); } #if defined(BCMSDIO) dhd_txglom_enable(dhd, TRUE); #endif /* defined(BCMSDIO) */ #if defined(BCMSDIO) #ifdef PROP_TXSTATUS if (disable_proptx || #ifdef PROP_TXSTATUS_VSDB /* enable WLFC only if the firmware is VSDB when it is in STA mode */ (bcmdhd_prop_txstatus_vsdb && (dhd->op_mode != DHD_FLAG_HOSTAP_MODE && dhd->op_mode != DHD_FLAG_IBSS_MODE)) || #endif /* PROP_TXSTATUS_VSDB */ FALSE) { wlfc_enable = FALSE; } #ifndef DISABLE_11N 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); #ifndef DISABLE_11N else if (hostreorder) dhd_wlfc_hostreorder_init(dhd); #endif /* DISABLE_11N */ #endif /* PROP_TXSTATUS */ #endif /* BCMSDIO || BCMBUS */ #ifdef 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 #ifdef WL11U if (bcmdhd_wl11u) { dhd_interworking_enable(dhd); } #endif /* WL11U */ /*RXCB not applicable to PCIE*/ #if !defined(BCMPCIE) && defined(RXCB) if (bcmdhd_custom_rxcb) { /* Enable bus rx callback */ bcm_mkiovar("bus:rxcb", (char *)&rxcb, 4, iovbuf, sizeof(iovbuf)); ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); if (ret < 0) DHD_ERROR(("%s failed to set RXCB %d\n", __FUNCTION__, ret)); } #endif done: if (eventmask_msg) kfree(eventmask_msg); if (iov_buf) kfree(iov_buf); return ret; } void dhd_set_ampdu_rx_tid(struct net_device *dev, int ampdu_rx_tid) { int i, ret = 0; dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); dhd_pub_t *pub = &dhd->pub; char iovbuf[32]; for (i = 0; i < 8; i++) { /* One bit each for traffic class CS7 - CS0 */ struct ampdu_tid_control atc; atc.tid = i; atc.enable = (ampdu_rx_tid >> i) & 1; bcm_mkiovar("ampdu_rx_tid", (char *)&atc, sizeof(atc), iovbuf,sizeof(iovbuf)); ret = dhd_wl_ioctl_cmd(pub, WLC_SET_VAR, iovbuf, sizeof(iovbuf),TRUE, 0); if (ret < 0) DHD_ERROR(("%s failed %d\n", __func__, 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; 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__)); return BCME_BADARG; } buf = kzalloc(input_len, GFP_KERNEL); if (!buf) { DHD_ERROR(("%s: mem alloc failed\n", __FUNCTION__)); return BCME_NOMEM; } 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 == 0) { DHD_ERROR(("%s: GET failed. resp_buf NULL or len:0\n", __FUNCTION__)); return BCME_NOMEM; } if (res_len < input_len) { DHD_INFO(("%s: res_len(%d) < input_len(%d)\n", __FUNCTION__, res_len, input_len)); buf = kzalloc(input_len, GFP_KERNEL); if (!buf) { DHD_ERROR(("%s: mem alloc failed\n", __FUNCTION__)); return BCME_NOMEM; } 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: kfree(buf); 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", 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 /* 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 } /* * 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; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) /* 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; } #endif /* LINUX_VERSION_CODE */ 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)); if (dhd->pub.busstate != DHD_BUS_DATA) { DHD_ERROR(("%s: bus not ready, exit\n", __FUNCTION__)); 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 */ 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__)); aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, FALSE, idx); #else dhd_aoe_hostip_clr(&dhd->pub, idx); dhd_aoe_arp_clr(&dhd->pub, idx); #endif /* AOE_IP_ALIAS_SUPPORT */ 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 */ #ifdef CONFIG_IPV6 /* 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_pub_t *pub = &((dhd_info_t *)dhd_info)->pub; int ret; if (event != DHD_WQ_WORK_IPV6_NDO) { DHD_ERROR(("%s: unexpected event \n", __FUNCTION__)); return; } if (!ndo_work) { DHD_ERROR(("%s: ipv6 work info is not initialized \n", __FUNCTION__)); return; } if (!pub) { DHD_ERROR(("%s: dhd pub is not initialized \n", __FUNCTION__)); return; } if (ndo_work->if_idx) { DHD_ERROR(("%s: idx %d \n", __FUNCTION__, ndo_work->if_idx)); return; } switch (ndo_work->event) { case NETDEV_UP: DHD_TRACE(("%s: Enable NDO and add ipv6 into table \n ", __FUNCTION__)); ret = dhd_ndo_enable(pub, TRUE); if (ret < 0) { DHD_ERROR(("%s: Enabling NDO Failed %d\n", __FUNCTION__, ret)); } ret = dhd_ndo_add_ip(pub, &ndo_work->ipv6_addr[0], ndo_work->if_idx); if (ret < 0) { DHD_ERROR(("%s: Adding host ip for NDO failed %d\n", __FUNCTION__, ret)); } break; case NETDEV_DOWN: DHD_TRACE(("%s: clear ipv6 table \n", __FUNCTION__)); ret = dhd_ndo_remove_ip(pub, ndo_work->if_idx); if (ret < 0) { DHD_ERROR(("%s: Removing host ip for NDO failed %d\n", __FUNCTION__, ret)); goto done; } ret = dhd_ndo_enable(pub, FALSE); if (ret < 0) { DHD_ERROR(("%s: disabling NDO Failed %d\n", __FUNCTION__, ret)); goto done; } break; default: DHD_ERROR(("%s: unknown notifier event \n", __FUNCTION__)); break; } done: /* free ndo_work. alloced while scheduling the work */ kfree(ndo_work); return; } /* * Neighbor Discovery Offload: Called when an interface * is assigned with ipv6 address. * Handles only primary interface */ static int dhd_inet6addr_notifier_call(struct notifier_block *this, unsigned long event, void *ptr) { dhd_info_t *dhd; dhd_pub_t *dhd_pub; struct inet6_ifaddr *inet6_ifa = ptr; struct in6_addr *ipv6_addr = &inet6_ifa->addr; struct ipv6_work_info_t *ndo_info; int idx = 0; /* REVISIT */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) /* Filter notifications meant for non Broadcom devices */ if (inet6_ifa->idev->dev->netdev_ops != &dhd_ops_pri) { return NOTIFY_DONE; } #endif /* LINUX_VERSION_CODE */ dhd = DHD_DEV_INFO(inet6_ifa->idev->dev); if (!dhd) return NOTIFY_DONE; if (dhd->iflist[idx] && dhd->iflist[idx]->net != inet6_ifa->idev->dev) return NOTIFY_DONE; dhd_pub = &dhd->pub; if (!FW_SUPPORTED(dhd_pub, 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; } ndo_info->event = event; ndo_info->if_idx = idx; memcpy(&ndo_info->ipv6_addr[0], ipv6_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_WORK_PRIORITY_LOW); return NOTIFY_DONE; } #endif /* #ifdef CONFIG_IPV6 */ int dhd_register_if(dhd_pub_t *dhdp, int ifidx, bool need_rtnl_lock) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; extern struct net_device *dhd_pno_netdev; 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)); ASSERT(dhd && dhd->iflist[ifidx]); ifp = dhd->iflist[ifidx]; net = ifp->net; ASSERT(net && (ifp->idx == ifidx)); #ifndef P2PONEINT #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) ASSERT(!net->open); net->get_stats = dhd_get_stats; net->do_ioctl = dhd_ioctl_entry; net->hard_start_xmit = dhd_start_xmit; net->set_mac_address = dhd_set_mac_address; net->set_multicast_list = dhd_set_multicast_list; net->open = net->stop = NULL; #else ASSERT(!net->netdev_ops); net->netdev_ops = &dhd_ops_virt; #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) */ #else net->netdev_ops = &dhd_cfgp2p_ops_virt; #endif /* P2PONEINT */ /* Ok, link into the network layer... */ if (ifidx == 0) { /* * device functions for the primary interface only */ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) net->open = dhd_open; net->stop = dhd_stop; #else net->netdev_ops = &dhd_ops_pri; #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) */ 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; #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) net->ethtool_ops = &dhd_ethtool_ops; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ dhd->pub.rxsz = DBUS_RX_BUFFER_SIZE_DHD(net); memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN); if (ifidx == 0) printf("%s\n", dhd_version); if (need_rtnl_lock) err = register_netdev(net); else err = register_netdevice(net); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA { extern struct net_device *dhd_custom_sysfs_tegra_histogram_stat_netdev; if (ifidx == 0) { dhd_custom_sysfs_tegra_histogram_stat_netdev = net; tegra_sysfs_register(&net->dev); dhdlog_sysfs_init(&net->dev); } } #endif if (ifidx == 0) dhd_pno_netdev = net; if (err != 0) { DHD_ERROR(("couldn't register the net device [%s], err %d\n", net->name, err)); goto fail; } printf("Register interface [%s] MAC: "MACDBG"\n\n", net->name, MAC2STRDBG(net->dev_addr)); #if (defined(BCMPCIE) || (defined(BCMLXSDMMC) && (LINUX_VERSION_CODE >= \ KERNEL_VERSION(2, 6, 27)))) if (ifidx == 0) { #ifdef BCMLXSDMMC up(&dhd_registration_sem); #endif if (!dhd_download_fw_on_driverload) { 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); } } #endif /* OEM_ANDROID && (BCMPCIE || (BCMLXSDMMC && KERNEL_VERSION >= 2.6.27)) */ return 0; fail: #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) net->open = NULL; #else net->netdev_ops = NULL; #endif 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) { /* Stop the protocol module */ dhd_prot_stop(&dhd->pub); /* Stop the bus module */ dhd_bus_stop(dhd->pub.bus, TRUE); } #if defined(OOB_INTR_ONLY) || defined(BCMPCIE_OOB_HOST_WAKE) dhd_bus_oob_intr_unregister(dhdp); #endif } } } void dhd_detach(dhd_pub_t *dhdp) { dhd_info_t *dhd; unsigned long flags; int timer_valid = FALSE; if (!dhdp) return; dhd = (dhd_info_t *)dhdp->info; if (!dhd) return; #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) dhd_global = NULL; #endif /* CUSTOMER_HW20 && WLANAUDIO */ DHD_TRACE(("%s: Enter state 0x%x\n", __FUNCTION__, dhd->dhd_state)); 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 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 */ if (dhd->dhd_state & DHD_ATTACH_STATE_PROT_ATTACH) { dhd_bus_detach(dhdp); #ifdef PCIE_FULL_DONGLE dhd_flow_rings_deinit(dhdp); #endif if (dhdp->prot) dhd_prot_detach(dhdp); } #ifdef ARP_OFFLOAD_SUPPORT if (dhd_inetaddr_notifier_registered) { dhd_inetaddr_notifier_registered = FALSE; unregister_inetaddr_notifier(&dhd_inetaddr_notifier); } #endif /* ARP_OFFLOAD_SUPPORT */ #ifdef CONFIG_IPV6 if (dhd_inet6addr_notifier_registered) { dhd_inet6addr_notifier_registered = FALSE; unregister_inet6addr_notifier(&dhd_inet6addr_notifier); } #endif #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 */ /* 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]; ASSERT(ifp); ASSERT(ifp->net); if (ifp && ifp->net) { /* 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 { #ifdef SET_RPS_CPUS custom_rps_map_clear(ifp->net->_rx); #endif /* SET_RPS_CPUS */ unregister_netdev(ifp->net); } ifp->net = NULL; #ifdef DHD_WMF dhd_wmf_cleanup(dhdp, 0); #endif /* DHD_WMF */ dhd_if_del_sta_list(ifp); MFREE(dhd->pub.osh, ifp, sizeof(*ifp)); dhd->iflist[0] = NULL; } } /* 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); 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); } write_log_uninit(); #ifdef WL_CFG80211 if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) { wl_cfg80211_detach(NULL); dhd_monitor_uninit(); } #endif /* free deferred work queue */ dhd_deferred_work_deinit(dhd->dhd_deferred_wq); dhd->dhd_deferred_wq = NULL; #ifdef SHOW_LOGTRACE if (dhd->event_data.fmts) kfree(dhd->event_data.fmts); if (dhd->event_data.raw_fmts) kfree(dhd->event_data.raw_fmts); #endif /* SHOW_LOGTRACE */ #ifdef PNO_SUPPORT if (dhdp->pno_state) dhd_pno_deinit(dhdp); #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 if (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT) { DHD_TRACE(("wd wakelock count:%d\n", dhd->wakelock_wd_counter)); #ifdef CONFIG_PM_WAKELOCKS dhd->wakelock_counter = 0; dhd->wakelock_wd_counter = 0; dhd->wakelock_rx_timeout_enable = 0; dhd->wakelock_ctrl_timeout_enable = 0; wakeup_source_trash(&dhd->wl_wifi); wakeup_source_trash(&dhd->wl_rxwake); wakeup_source_trash(&dhd->wl_ctrlwake); wakeup_source_trash(&dhd->wl_wdwake); #ifdef BCMPCIE_OOB_HOST_WAKE wakeup_source_trash(&dhd->wl_intrwake); #endif /* BCMPCIE_OOB_HOST_WAKE */ #endif /* CONFIG_PM_WAKELOCKS */ } #ifdef DHDTCPACK_SUPPRESS /* This will free all MEM allocated for TCPACK SUPPRESS */ dhd_tcpack_suppress_set(&dhd->pub, TCPACK_SUP_OFF); #endif /* DHDTCPACK_SUPPRESS */ } 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) { MFREE(dhdp->osh, dhdp->soc_ram, dhdp->soc_ram_length); dhdp->soc_ram = NULL; } /* If pointer is allocated by dhd_os_prealloc then avoid MFREE */ if (dhd && 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) { MFREE(dhdp->osh, dhdp->soc_ram, dhdp->soc_ram_length); dhdp->soc_ram = NULL; } } } static void dhd_module_cleanup(void) { DHD_TRACE(("%s: Enter\n", __FUNCTION__)); dhd_bus_unregister(); wl_android_exit(); dhd_wifi_platform_unregister_drv(); } static void __exit dhd_module_exit(void) { #ifdef CONFIG_BCMDHD_CUSTOM_NET_PERF_TEGRA tegra_net_perf_exit(); #endif dhd_module_cleanup(); unregister_reboot_notifier(&dhd_reboot_notifier); } static int __init dhd_module_init(void) { int err; int retry = POWERUP_MAX_RETRY; DHD_ERROR(("%s in\n", __FUNCTION__)); #ifdef CONFIG_BCMDHD_CUSTOM_NET_PERF_TEGRA tegra_net_perf_init(); #endif #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA rf_test_params_init(); #endif 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--); if (err) DHD_ERROR(("%s: Failed to load driver max retry reached**\n", __FUNCTION__)); 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) { } return NOTIFY_DONE; } #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) #if defined(CONFIG_DEFERRED_INITCALLS) deferred_module_init(dhd_module_init); #elif defined(USE_LATE_INITCALL_SYNC) late_initcall_sync(dhd_module_init); #else late_initcall(dhd_module_init); #endif /* USE_LATE_INITCALL_SYNC */ #else module_init(dhd_module_init); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) */ 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; } 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, bool *pending) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); int timeout; /* Convert timeout in millsecond to jiffies */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) timeout = msecs_to_jiffies(dhd_ioctl_timeout_msec); #else timeout = dhd_ioctl_timeout_msec * HZ / 1000; #endif 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, bool *pending) { dhd_info_t * dhd = (dhd_info_t *)(pub->info); int timeout; /* Convert timeout in millsecond to jiffies */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) timeout = msecs_to_jiffies(dhd_ioctl_timeout_msec); #else timeout = dhd_ioctl_timeout_msec * HZ / 1000; #endif 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; } void dhd_os_wd_timer_extend(void *bus, bool extend) { 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); } void dhd_os_wd_timer(void *bus, uint wdtick) { 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); if (!wdtick) DHD_OS_WD_WAKE_UNLOCK(pub); 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); DHD_OS_WD_WAKE_UNLOCK(pub); return; } if (wdtick) { DHD_OS_WD_WAKE_LOCK(pub); dhd_watchdog_ms = (uint)wdtick; /* 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); } void * dhd_os_open_image(char *filename) { struct file *fp; 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; return fp; } int dhd_os_get_image_block(char *buf, int len, void *image) { struct file *fp = (struct file *)image; int rdlen; if (!image) return 0; #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 13, 0)) rdlen = kernel_read(fp, buf, len, &fp->f_pos); #else rdlen = kernel_read(fp, fp->f_pos, buf, len); if (rdlen > 0) fp->f_pos += rdlen; #endif return rdlen; } void dhd_os_close_image(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); if (dhd_dpc_prio >= 0) down(&dhd->sdsem); else spin_lock_bh(&dhd->sdlock); } void dhd_os_sdunlock(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); if (dhd_dpc_prio >= 0) up(&dhd->sdsem); else spin_unlock_bh(&dhd->sdlock); } void dhd_os_sdlock_txq(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); spin_lock_bh(&dhd->txqlock); } void dhd_os_sdunlock_txq(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); spin_unlock_bh(&dhd->txqlock); } 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 void dhd_os_tcpacklock(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); #ifdef BCMPCIE if (irqs_disabled()) spin_lock(&dhd->tcpack_lock); else spin_lock_bh(&dhd->tcpack_lock); #else spin_lock_bh(&dhd->tcpack_lock); #endif } void dhd_os_tcpackunlock(dhd_pub_t *pub) { dhd_info_t *dhd; dhd = (dhd_info_t *)(pub->info); #ifdef BCMPCIE if (irqs_disabled()) spin_unlock(&dhd->tcpack_lock); else spin_unlock_bh(&dhd->tcpack_lock); #else spin_unlock_bh(&dhd->tcpack_lock); #endif } #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) { DHD_ERROR(("%s: failed to alloc memory, section: %d," " size: %dbytes", __FUNCTION__, section, size)); if (kmalloc_if_fail) buf = kmalloc(size, flags); } return buf; } void dhd_os_prefree(dhd_pub_t *dhdpub, void *addr, uint size) { } #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) static int dhd_wlanaudio_event(dhd_info_t *dhd, int *ifidx, void *pktdata, wl_event_msg_t *event, void **data) { int cnt; char eabuf[ETHER_ADDR_STR_LEN]; struct ether_addr *addr = &event->addr; uint32 type = ntoh32_ua((void *)&event->event_type); switch (type) { case WLC_E_TXFAIL: if (addr != NULL) bcm_ether_ntoa(addr, eabuf); else return (BCME_ERROR); for (cnt = 0; cnt < MAX_WLANAUDIO_BLACKLIST; cnt++) { if (dhd->wlanaudio_blist[cnt].is_blacklist) break; if (!bcmp(&dhd->wlanaudio_blist[cnt].blacklist_addr, addr, ETHER_ADDR_LEN)) { /* Mac address is Same */ dhd->wlanaudio_blist[cnt].cnt++; if (dhd->wlanaudio_blist[cnt].cnt < 15) { /* black list is false */ if ((dhd->wlanaudio_blist[cnt].cnt > 10) && (jiffies - dhd->wlanaudio_blist[cnt].txfail_jiffies < 100)) { dhd->wlanaudio_blist[cnt].is_blacklist = true; dhd->is_wlanaudio_blist = true; } } else { if ((!dhd->wlanaudio_blist[cnt].is_blacklist) && (jiffies - dhd->wlanaudio_blist[cnt].txfail_jiffies > 100)) { bzero(&dhd->wlanaudio_blist[cnt], sizeof(struct wlanaudio_blacklist)); } } break; } else if ((!dhd->wlanaudio_blist[cnt].is_blacklist) && (!dhd->wlanaudio_blist[cnt].cnt)) { bcopy(addr, (char*)&dhd->wlanaudio_blist[cnt].blacklist_addr, ETHER_ADDR_LEN); dhd->wlanaudio_blist[cnt].cnt++; dhd->wlanaudio_blist[cnt].txfail_jiffies = jiffies; bcm_ether_ntoa(&dhd->wlanaudio_blist[cnt].blacklist_addr, eabuf); break; } } break; case WLC_E_AUTH : case WLC_E_AUTH_IND : case WLC_E_DEAUTH : case WLC_E_DEAUTH_IND : case WLC_E_ASSOC: case WLC_E_ASSOC_IND: case WLC_E_REASSOC: case WLC_E_REASSOC_IND: case WLC_E_DISASSOC: case WLC_E_DISASSOC_IND: { int bl_cnt = 0; if (addr != NULL) bcm_ether_ntoa(addr, eabuf); else return (BCME_ERROR); for (cnt = 0; cnt < MAX_WLANAUDIO_BLACKLIST; cnt++) { if (!bcmp(&dhd->wlanaudio_blist[cnt].blacklist_addr, addr, ETHER_ADDR_LEN)) { /* Mac address is Same */ if (dhd->wlanaudio_blist[cnt].is_blacklist) { /* black list is true */ bzero(&dhd->wlanaudio_blist[cnt], sizeof(struct wlanaudio_blacklist)); } } } for (cnt = 0; cnt < MAX_WLANAUDIO_BLACKLIST; cnt++) { if (dhd->wlanaudio_blist[cnt].is_blacklist) bl_cnt++; } if (!bl_cnt) { dhd->is_wlanaudio_blist = false; } break; } } return BCME_OK; } #endif /* CUSTOMER_HW20 && WLANAUDIO */ static int dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, size_t pktlen, wl_event_msg_t *event, void **data) { int bcmerror = 0; ASSERT(dhd != NULL); #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) bcmerror = dhd_wlanaudio_event(dhd, ifidx, pktdata, event, data); if (bcmerror != BCME_OK) return (bcmerror); #endif /* CUSTOMER_HW20 && WLANAUDIO */ #ifdef SHOW_LOGTRACE bcmerror = wl_host_event(&dhd->pub, ifidx, pktdata, pktlen, event, data, &dhd->event_data); #else bcmerror = wl_host_event(&dhd->pub, ifidx, pktdata, pktlen, event, data, NULL); #endif /* SHOW_LOGTRACE */ if (bcmerror != BCME_OK) return (bcmerror); #ifdef WL_CFG80211 ASSERT(dhd->iflist[*ifidx] != NULL); if (dhd->iflist[*ifidx] == NULL) return BCME_BADARG; ASSERT(dhd->iflist[*ifidx]->net != NULL); if (dhd->iflist[*ifidx]->net == NULL) return BCME_BADARG; if (dhd->iflist[*ifidx]->net) wl_cfg80211_event(dhd->iflist[*ifidx]->net, event, *data); #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)) { default: break; } } #ifdef LOG_INTO_TCPDUMP void dhd_sendup_log(dhd_pub_t *dhdp, void *data, int data_len) { struct sk_buff *p, *skb; uint32 pktlen; int len; dhd_if_t *ifp; dhd_info_t *dhd; uchar *skb_data; int ifidx = 0; struct ether_header eth; pktlen = sizeof(eth) + data_len; dhd = dhdp->info; if ((p = PKTGET(dhdp->osh, pktlen, FALSE))) { ASSERT(ISALIGNED((uintptr)PKTDATA(dhdp->osh, p), sizeof(uint32))); bcopy(&dhdp->mac, ð.ether_dhost, ETHER_ADDR_LEN); bcopy(&dhdp->mac, ð.ether_shost, ETHER_ADDR_LEN); ETHER_TOGGLE_LOCALADDR(ð.ether_shost); eth.ether_type = hton16(ETHER_TYPE_BRCM); bcopy((void *)ð, PKTDATA(dhdp->osh, p), sizeof(eth)); bcopy(data, PKTDATA(dhdp->osh, p) + sizeof(eth), data_len); skb = PKTTONATIVE(dhdp->osh, p); skb_data = skb->data; len = skb->len; ifidx = dhd_ifname2idx(dhd, "wlan0"); ifp = dhd->iflist[ifidx]; if (ifp == NULL) ifp = dhd->iflist[0]; ASSERT(ifp); skb->dev = ifp->net; skb->protocol = eth_type_trans(skb, skb->dev); skb->data = skb_data; skb->len = len; /* Strip header, count, deliver upward */ skb_pull(skb, ETH_HLEN); /* Send the packet */ #ifdef CONFIG_BCMDHD_CUSTOM_NET_PERF_TEGRA tegra_net_perf_rx(skb); #endif 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", __FUNCTION__)); } } #endif /* LOG_INTO_TCPDUMP */ void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar) { #if defined(BCMSDIO) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) struct dhd_info *dhdinfo = dhd->info; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) int timeout = msecs_to_jiffies(IOCTL_RESP_TIMEOUT); #else int timeout = (IOCTL_RESP_TIMEOUT / 1000) * HZ; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ dhd_os_sdunlock(dhd); wait_event_timeout(dhdinfo->ctrl_wait, (*lockvar == FALSE), timeout); dhd_os_sdlock(dhd); #endif /* defined(BCMSDIO) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) */ return; } void dhd_wait_event_wakeup(dhd_pub_t *dhd) { #if defined(BCMSDIO) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) struct dhd_info *dhdinfo = dhd->info; if (waitqueue_active(&dhdinfo->ctrl_wait)) wake_up(&dhdinfo->ctrl_wait); #endif return; } #if defined(BCMSDIO) || defined(BCMPCIE) int dhd_net_bus_devreset(struct net_device *dev, uint8 flag) { int ret = 0; dhd_info_t *dhd = DHD_DEV_INFO(dev); 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 } #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); } #endif /* BCMSDIO */ ret = dhd_bus_devreset(&dhd->pub, flag); if (ret) { DHD_ERROR(("%s: dhd_bus_devreset: %d\n", __FUNCTION__, ret)); return 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 */ 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) { #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 #ifdef WL_CFG80211 wl_cfg80211_update_power_mode(dev); #endif } 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->pub.suspend_bcn_li_dtim = val; return 0; } #ifdef PKT_FILTER_SUPPORT int net_os_rxfilter_add_remove(struct net_device *dev, int add_remove, int num) { dhd_info_t *dhd = DHD_DEV_INFO(dev); char *filterp = NULL; int filter_id = 0; int ret = 0; if (!dhd || (num == DHD_UNICAST_FILTER_NUM) || (num == DHD_MDNS_FILTER_NUM)) return ret; if (num >= dhd->pub.pktfilter_count) return -EINVAL; switch (num) { case DHD_BROADCAST_FILTER_NUM: filterp = "101 0 0 0 0xFFFFFFFFFFFF 0xFFFFFFFFFFFF"; filter_id = 101; break; case DHD_MULTICAST4_FILTER_NUM: filterp = "102 0 0 0 0xFFFFFF 0x01005E"; filter_id = 102; break; case DHD_MULTICAST6_FILTER_NUM: filterp = "103 0 0 0 0xFFFF 0x3333"; filter_id = 103; break; default: return -EINVAL; } /* Add filter */ if (add_remove) { dhd->pub.pktfilter[num] = filterp; dhd_pktfilter_offload_set(&dhd->pub, dhd->pub.pktfilter[num]); } else { /* Delete filter */ if (dhd->pub.pktfilter[num] != NULL) { dhd_pktfilter_offload_delete(&dhd->pub, filter_id); dhd->pub.pktfilter[num] = NULL; } } 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); 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; } #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_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 */ #ifdef GSCAN_SUPPORT /* 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 */ 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 (!dhd) return feature_set; 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 feature_set |= WIFI_FEATURE_D2AP_RTT; #endif /* RTT_SUPPORT */ #ifdef LINKSTAT_SUPPORT feature_set |= WIFI_FEATURE_LINKSTAT; #endif /* LINKSTAT_SUPPORT */ /* Supports STA + STA always */ feature_set |= WIFI_FEATURE_ADDITIONAL_STA; #ifdef PNO_SUPPORT if (dhd_is_pno_supported(dhd)) { feature_set |= WIFI_FEATURE_PNO; feature_set |= WIFI_FEATURE_BATCH_SCAN; } if (FW_SUPPORTED(dhd, rssi_mon)) { feature_set |= WIFI_FEATUE_RSSI_MONITOR; } #endif /* PNO_SUPPORT */ #ifdef WL11U feature_set |= WIFI_FEATURE_HOTSPOT; #endif /* WL11U */ return feature_set; } /* Linux wrapper to call common dhd_pno_set_mac_oui */ int dhd_dev_pno_set_mac_oui(struct net_device *dev, uint8 *oui) { dhd_info_t *dhd = DHD_DEV_INFO(dev); return (dhd_pno_set_mac_oui(&dhd->pub, oui)); } int dhd_os_get_version(struct net_device *dev, bool dhd_ver, char **buf, uint32 size) { int ret = BCME_OK; memset(*buf, 0, size); if (dhd_ver) { strncpy(*buf, dhd_version, size - 1); } else { strncpy(*buf, strstr(info_string, "Firmware: "), size - 1); } return ret; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) static void dhd_hang_process(void *dhd_info, void *event_info, u8 event) { dhd_info_t *dhd; struct net_device *dev; dhd = (dhd_info_t *)((dhd_pub_t *)dhd_info)->info; dev = dhd->iflist[0]->net; if (dev) { rtnl_lock(); dev_close(dev); rtnl_unlock(); #if defined(WL_CFG80211) wl_cfg80211_hang(dev, WLAN_REASON_UNSPECIFIED); #endif } } int dhd_os_send_hang_message(dhd_pub_t *dhdp) { int ret = 0; #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SYSFS_HISTOGRAM_STAT_INC(hang); #endif if (dhdp) { if (!dhdp->hang_was_sent) { dhdp->hang_was_sent = 1; dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, (void *)dhdp, DHD_WQ_WORK_HANG_MSG, dhd_hang_process, DHD_WORK_PRIORITY_HIGH); } } 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) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) ret = dhd_os_send_hang_message(&dhd->pub); #else ret = wl_cfg80211_hang(dev, WLAN_REASON_UNSPECIFIED); #endif } else { DHD_ERROR(("%s: FW HANG ignored (for testing purpose) and not sent up\n", __FUNCTION__)); /* Enforce bus down to stop any future traffic */ dhd->pub.busstate = DHD_BUS_DOWN; } } return ret; } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) && OEM_ANDROID */ 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); } 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); get_customized_country_code(dhd->adapter, country_iso_code, cspec); } void dhd_bus_country_set(struct net_device *dev, wl_country_t *cspec, bool notify) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (dhd && dhd->pub.up) { memcpy(&dhd->pub.dhd_cspec, cspec, sizeof(wl_country_t)); #ifdef WL_CFG80211 wl_update_wiphybands(NULL, notify); #endif } } void dhd_bus_band_set(struct net_device *dev, uint band) { dhd_info_t *dhd = DHD_DEV_INFO(dev); if (dhd && dhd->pub.up) { #ifdef WL_CFG80211 wl_update_wiphybands(NULL, true); #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 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) if (dhd) mutex_lock(&dhd->dhd_net_if_mutex); #endif } static void dhd_net_if_unlock_local(dhd_info_t *dhd) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) if (dhd) mutex_unlock(&dhd->dhd_net_if_mutex); #endif } static void dhd_suspend_lock(dhd_pub_t *pub) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) mutex_lock(&dhd->dhd_suspend_mutex); #endif } static void dhd_suspend_unlock(dhd_pub_t *pub) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) dhd_info_t *dhd = (dhd_info_t *)(pub->info); if (dhd) mutex_unlock(&dhd->dhd_suspend_mutex); #endif } 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) { 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); } 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); DHD_ERROR(("%s: TIMEOUT\n", __FUNCTION__)); } return pend; } #ifdef DHD_DEBUG int write_to_file(dhd_pub_t *dhd, uint8 *buf, int size) { int ret = 0; struct file *fp; 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 */ #if defined(CUSTOMER_HW5) fp = filp_open("/data/mem_dump", O_WRONLY|O_CREAT, 0640); #else fp = filp_open("/tmp/mem_dump", O_WRONLY|O_CREAT, 0640); #endif if (IS_ERR(fp)) { fp = NULL; printf("%s: open file error\n", __FUNCTION__); ret = -1; goto exit; } /* Write buf to file */ fp->f_op->write(fp, buf, size, &pos); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0)) fp->f_op->fsync(fp, 0, size-1, 1); #else fp->f_op->fsync(fp, 1); #endif /* KERNEL_VERSION(3, 1, 0) */ exit: /* free buf before return */ if (buf) { MFREE(dhd->osh, buf, size); } /* close file before return */ if (fp) filp_close(fp, current->files); /* restore previous address limit */ set_fs(old_fs); 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) { 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_PM_WAKELOCKS if (dhd->wakelock_rx_timeout_enable) __pm_wakeup_event(&dhd->wl_rxwake, dhd->wakelock_rx_timeout_enable); if (dhd->wakelock_ctrl_timeout_enable) __pm_wakeup_event(&dhd->wl_ctrlwake, dhd->wakelock_ctrl_timeout_enable); #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) { 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) { 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) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); dhd->wakelock_ctrl_timeout_enable = 0; #ifdef CONFIG_PM_WAKELOCKS if (dhd->wl_ctrlwake.active) __pm_relax(&dhd->wl_ctrlwake); #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; } 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) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); if (dhd->wakelock_counter == 0 && !dhd->waive_wakelock) { #ifdef CONFIG_PM_WAKELOCKS __pm_stay_awake(&dhd->wl_wifi); #elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) dhd_bus_dev_pm_stay_awake(pub); #endif } dhd->wakelock_counter++; ret = dhd->wakelock_counter; spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return ret; } 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) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); if (dhd->wakelock_counter > 0) { dhd->wakelock_counter--; if (dhd->wakelock_counter == 0 && !dhd->waive_wakelock) { #ifdef CONFIG_PM_WAKELOCKS __pm_relax(&dhd->wl_wifi); #elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) dhd_bus_dev_pm_relax(pub); #endif } ret = dhd->wakelock_counter; } spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return ret; } int dhd_os_check_wakelock(dhd_pub_t *pub) { #if defined(CONFIG_PM_WAKELOCKS) || (defined(BCMSDIO) && (LINUX_VERSION_CODE > \ KERNEL_VERSION(2, 6, 36))) dhd_info_t *dhd; if (!pub) return 0; dhd = (dhd_info_t *)(pub->info); #endif /* CONFIG_PM_WAKELOCKS || BCMSDIO */ #ifdef CONFIG_PM_WAKELOCKS /* Indicate to the SD Host to avoid going to suspend if internal locks are up */ if (dhd && (dhd->wl_wifi.active || dhd->wl_wdwake.active)) return 1; #elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) if (dhd && (dhd->wakelock_counter > 0) && dhd_bus_dev_pm_enabled(pub)) return 1; #endif return 0; } int dhd_os_check_wakelock_all(dhd_pub_t *pub) { #if defined(CONFIG_PM_WAKELOCKS) || (defined(BCMSDIO) && (LINUX_VERSION_CODE > \ KERNEL_VERSION(2, 6, 36))) dhd_info_t *dhd; if (!pub) return 0; dhd = (dhd_info_t *)(pub->info); #endif /* CONFIG_PM_WAKELOCKS || BCMSDIO */ #ifdef CONFIG_PM_WAKELOCKS /* Indicate to the SD Host to avoid going to suspend if internal locks are up */ if (dhd && (dhd->wl_wifi.active || dhd->wl_wdwake.active || dhd->wl_rxwake.active || dhd->wl_ctrlwake.active)) { return 1; } #elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) if (dhd && (dhd->wakelock_counter > 0) && dhd_bus_dev_pm_enabled(pub)) return 1; #endif 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); #ifdef CONFIG_PM_WAKELOCKS /* if wakelock_wd_counter was never used : lock it at once */ if (!dhd->wakelock_wd_counter) __pm_stay_awake(&dhd->wl_wdwake); #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) { dhd->wakelock_wd_counter = 0; #ifdef CONFIG_PM_WAKELOCKS __pm_relax(&dhd->wl_wdwake); #endif } spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); } return ret; } #ifdef BCMPCIE_OOB_HOST_WAKE int dhd_os_oob_irq_wake_lock_timeout(dhd_pub_t *pub, int val) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); int ret = 0; if (dhd) { #ifdef CONFIG_PM_WAKELOCKS __pm_wakeup_event(&dhd->wl_intrwake, val); #endif } return ret; } int dhd_os_oob_irq_wake_unlock(dhd_pub_t *pub) { dhd_info_t *dhd = (dhd_info_t *)(pub->info); int ret = 0; if (dhd) { #ifdef CONFIG_PM_WAKELOCKS /* if wl_intrwake is active, unlock it */ if (dhd->wl_intrwake.active) { __pm_relax(&dhd->wl_intrwake); } #endif } return ret; } #endif /* BCMPCIE_OOB_HOST_WAKE */ /* 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) { spin_lock_irqsave(&dhd->wakelock_spinlock, flags); /* dhd_wakelock_waive/dhd_wakelock_restore must be paired */ if (dhd->waive_wakelock == FALSE) { /* 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; 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 */ if (dhd->wakelock_before_waive == 0 && dhd->wakelock_counter > 0) { #ifdef CONFIG_PM_WAKELOCKS __pm_stay_awake(&dhd->wl_wifi); #elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) dhd_bus_dev_pm_stay_awake(&dhd->pub); #endif } else if (dhd->wakelock_before_waive > 0 && dhd->wakelock_counter == 0) { #ifdef CONFIG_PM_WAKELOCKS __pm_relax(&dhd->wl_wifi); #elif defined(BCMSDIO) && (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 36)) dhd_bus_dev_pm_relax(&dhd->pub); #endif } dhd->wakelock_before_waive = 0; exit: ret = dhd->wakelock_wd_counter; spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); return ret; } bool dhd_os_check_if_up(dhd_pub_t *pub) { if (!pub) return FALSE; return pub->up; } #if defined(BCMSDIO) /* 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 ", EPI_VERSION_STR, fw); if (!dhdp) return; i = snprintf(&info_string[i], sizeof(info_string) - i, "\n Chip: %x Rev %x Pkg %x", dhd_bus_chip_id(dhdp), dhd_bus_chiprev_id(dhdp), dhd_bus_chippkg_id(dhdp)); } #endif /* defined(BCMSDIO) */ 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\n", __FUNCTION__)); 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; } #ifdef PROP_TXSTATUS void dhd_wlfc_plat_init(void *dhd) { return; } void dhd_wlfc_plat_deinit(void *dhd) { return; } bool dhd_wlfc_skip_fc(void) { return FALSE; } #endif /* PROP_TXSTATUS */ #ifdef BCMDBGFS #include extern uint32 dhd_readregl(void *bp, uint32 addr); extern uint32 dhd_writeregl(void *bp, uint32 addr, uint32 data); 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; 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_dbg_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_dbg_init(dhd_pub_t *dhdp) { int err; 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)) { err = PTR_ERR(g_dbgfs.debugfs_dir); g_dbgfs.debugfs_dir = NULL; return; } dhd_dbg_create(); return; } void dhd_dbg_remove(void) { debugfs_remove(g_dbgfs.debugfs_mem); debugfs_remove(g_dbgfs.debugfs_dir); bzero((unsigned char *) &g_dbgfs, sizeof(g_dbgfs)); } #endif /* ifdef BCMDBGFS */ #ifdef WLMEDIA_HTSF static void dhd_htsf_addtxts(dhd_pub_t *dhdp, void *pktbuf) { dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); struct sk_buff *skb; uint32 htsf = 0; uint16 dport = 0, oldmagic = 0xACAC; char *p1; htsfts_t ts; /* timestamp packet */ p1 = (char*) PKTDATA(dhdp->osh, pktbuf); if (PKTLEN(dhdp->osh, pktbuf) > HTSF_MINLEN) { /* memcpy(&proto, p1+26, 4); */ memcpy(&dport, p1+40, 2); /* proto = ((ntoh32(proto))>> 16) & 0xFF; */ dport = ntoh16(dport); } /* timestamp only if icmp or udb iperf with port 5555 */ /* if (proto == 17 && dport == tsport) { */ if (dport >= tsport && dport <= tsport + 20) { skb = (struct sk_buff *) pktbuf; htsf = dhd_get_htsf(dhd, 0); memset(skb->data + 44, 0, 2); /* clear checksum */ memcpy(skb->data+82, &oldmagic, 2); memcpy(skb->data+84, &htsf, 4); memset(&ts, 0, sizeof(htsfts_t)); ts.magic = HTSFMAGIC; ts.prio = PKTPRIO(pktbuf); ts.seqnum = htsf_seqnum++; ts.c10 = get_cycles(); ts.t10 = htsf; ts.endmagic = HTSFENDMAGIC; memcpy(skb->data + HTSF_HOSTOFFSET, &ts, sizeof(ts)); } } static void dhd_dump_htsfhisto(histo_t *his, char *s) { int pktcnt = 0, curval = 0, i; for (i = 0; i < (NUMBIN-2); i++) { curval += 500; printf("%d ", his->bin[i]); pktcnt += his->bin[i]; } printf(" max: %d TotPkt: %d neg: %d [%s]\n", his->bin[NUMBIN-2], pktcnt, his->bin[NUMBIN-1], s); } static void sorttobin(int value, histo_t *histo) { int i, binval = 0; if (value < 0) { histo->bin[NUMBIN-1]++; return; } if (value > histo->bin[NUMBIN-2]) /* store the max value */ histo->bin[NUMBIN-2] = value; for (i = 0; i < (NUMBIN-2); i++) { binval += 500; /* 500m s bins */ if (value <= binval) { histo->bin[i]++; return; } } histo->bin[NUMBIN-3]++; } static void dhd_htsf_addrxts(dhd_pub_t *dhdp, void *pktbuf) { dhd_info_t *dhd = (dhd_info_t *)dhdp->info; struct sk_buff *skb; char *p1; uint16 old_magic; int d1, d2, d3, end2end; htsfts_t *htsf_ts; uint32 htsf; skb = PKTTONATIVE(dhdp->osh, pktbuf); p1 = (char*)PKTDATA(dhdp->osh, pktbuf); if (PKTLEN(osh, pktbuf) > HTSF_MINLEN) { memcpy(&old_magic, p1+78, 2); htsf_ts = (htsfts_t*) (p1 + HTSF_HOSTOFFSET - 4); } else return; if (htsf_ts->magic == HTSFMAGIC) { htsf_ts->tE0 = dhd_get_htsf(dhd, 0); htsf_ts->cE0 = get_cycles(); } if (old_magic == 0xACAC) { tspktcnt++; htsf = dhd_get_htsf(dhd, 0); memcpy(skb->data+92, &htsf, sizeof(uint32)); memcpy(&ts[tsidx].t1, skb->data+80, 16); d1 = ts[tsidx].t2 - ts[tsidx].t1; d2 = ts[tsidx].t3 - ts[tsidx].t2; d3 = ts[tsidx].t4 - ts[tsidx].t3; end2end = ts[tsidx].t4 - ts[tsidx].t1; sorttobin(d1, &vi_d1); sorttobin(d2, &vi_d2); sorttobin(d3, &vi_d3); sorttobin(end2end, &vi_d4); if (end2end > 0 && end2end > maxdelay) { maxdelay = end2end; maxdelaypktno = tspktcnt; memcpy(&maxdelayts, &ts[tsidx], 16); } if (++tsidx >= TSMAX) tsidx = 0; } } uint32 dhd_get_htsf(dhd_info_t *dhd, int ifidx) { uint32 htsf = 0, cur_cycle, delta, delta_us; uint32 factor, baseval, baseval2; cycles_t t; t = get_cycles(); cur_cycle = t; if (cur_cycle > dhd->htsf.last_cycle) delta = cur_cycle - dhd->htsf.last_cycle; else { delta = cur_cycle + (0xFFFFFFFF - dhd->htsf.last_cycle); } delta = delta >> 4; if (dhd->htsf.coef) { /* times ten to get the first digit */ factor = (dhd->htsf.coef*10 + dhd->htsf.coefdec1); baseval = (delta*10)/factor; baseval2 = (delta*10)/(factor+1); delta_us = (baseval - (((baseval - baseval2) * dhd->htsf.coefdec2)) / 10); htsf = (delta_us << 4) + dhd->htsf.last_tsf + HTSF_BUS_DELAY; } else { DHD_ERROR(("-------dhd->htsf.coef = 0 -------\n")); } return htsf; } static void dhd_dump_latency(void) { int i, max = 0; int d1, d2, d3, d4, d5; printf("T1 T2 T3 T4 d1 d2 t4-t1 i \n"); for (i = 0; i < TSMAX; i++) { d1 = ts[i].t2 - ts[i].t1; d2 = ts[i].t3 - ts[i].t2; d3 = ts[i].t4 - ts[i].t3; d4 = ts[i].t4 - ts[i].t1; d5 = ts[max].t4-ts[max].t1; if (d4 > d5 && d4 > 0) { max = i; } printf("%08X %08X %08X %08X \t%d %d %d %d i=%d\n", ts[i].t1, ts[i].t2, ts[i].t3, ts[i].t4, d1, d2, d3, d4, i); } printf("current idx = %d \n", tsidx); printf("Highest latency %d pkt no.%d total=%d\n", maxdelay, maxdelaypktno, tspktcnt); printf("%08X %08X %08X %08X \t%d %d %d %d\n", maxdelayts.t1, maxdelayts.t2, maxdelayts.t3, maxdelayts.t4, maxdelayts.t2 - maxdelayts.t1, maxdelayts.t3 - maxdelayts.t2, maxdelayts.t4 - maxdelayts.t3, maxdelayts.t4 - maxdelayts.t1); } static int dhd_ioctl_htsf_get(dhd_info_t *dhd, int ifidx) { char buf[32]; int ret; uint32 s1, s2; struct tsf { uint32 low; uint32 high; } tsf_buf; s1 = dhd_get_htsf(dhd, 0); ret = dhd_iovar(&dhd->pub, ifidx, "tsf", NULL, 0, buf, sizeof(buf), FALSE); if (ret < 0) { if (ret == -EIO) { DHD_ERROR(("%s: tsf is not supported by device\n", dhd_ifname(&dhd->pub, ifidx))); return -EOPNOTSUPP; } return ret; } s2 = dhd_get_htsf(dhd, 0); memcpy(&tsf_buf, buf, sizeof(tsf_buf)); printf(" TSF_h=%04X lo=%08X Calc:htsf=%08X, coef=%d.%d%d delta=%d ", tsf_buf.high, tsf_buf.low, s2, dhd->htsf.coef, dhd->htsf.coefdec1, dhd->htsf.coefdec2, s2-tsf_buf.low); printf("lasttsf=%08X lastcycle=%08X\n", dhd->htsf.last_tsf, dhd->htsf.last_cycle); return 0; } void htsf_update(dhd_info_t *dhd, void *data) { static ulong cur_cycle = 0, prev_cycle = 0; uint32 htsf, tsf_delta = 0; uint32 hfactor = 0, cyc_delta, dec1 = 0, dec2, dec3, tmp; ulong b, a; cycles_t t; /* cycles_t in inlcude/mips/timex.h */ t = get_cycles(); prev_cycle = cur_cycle; cur_cycle = t; if (cur_cycle > prev_cycle) cyc_delta = cur_cycle - prev_cycle; else { b = cur_cycle; a = prev_cycle; cyc_delta = cur_cycle + (0xFFFFFFFF - prev_cycle); } if (data == NULL) printf(" tsf update ata point er is null \n"); memcpy(&prev_tsf, &cur_tsf, sizeof(tsf_t)); memcpy(&cur_tsf, data, sizeof(tsf_t)); if (cur_tsf.low == 0) { DHD_INFO((" ---- 0 TSF, do not update, return\n")); return; } if (cur_tsf.low > prev_tsf.low) tsf_delta = (cur_tsf.low - prev_tsf.low); else { DHD_INFO((" ---- tsf low is smaller cur_tsf= %08X, prev_tsf=%08X, \n", cur_tsf.low, prev_tsf.low)); if (cur_tsf.high > prev_tsf.high) { tsf_delta = cur_tsf.low + (0xFFFFFFFF - prev_tsf.low); DHD_INFO((" ---- Wrap around tsf coutner adjusted TSF=%08X\n", tsf_delta)); } else return; /* do not update */ } if (tsf_delta) { hfactor = cyc_delta / tsf_delta; tmp = (cyc_delta - (hfactor * tsf_delta))*10; dec1 = tmp/tsf_delta; dec2 = ((tmp - dec1*tsf_delta)*10) / tsf_delta; tmp = (tmp - (dec1*tsf_delta))*10; dec3 = ((tmp - dec2*tsf_delta)*10) / tsf_delta; if (dec3 > 4) { if (dec2 == 9) { dec2 = 0; if (dec1 == 9) { dec1 = 0; hfactor++; } else { dec1++; } } else dec2++; } } if (hfactor) { htsf = ((cyc_delta * 10) / (hfactor*10+dec1)) + prev_tsf.low; dhd->htsf.coef = hfactor; dhd->htsf.last_cycle = cur_cycle; dhd->htsf.last_tsf = cur_tsf.low; dhd->htsf.coefdec1 = dec1; dhd->htsf.coefdec2 = dec2; } else { htsf = prev_tsf.low; } } #endif /* WLMEDIA_HTSF */ #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); } #ifdef DHD_OF_SUPPORT interrupt_set_cpucore(set); #endif /* DHD_OF_SUPPORT */ DHD_TRACE(("%s: set(%d) cpucore success!\n", __FUNCTION__, set)); return; } #endif /* CUSTOM_SET_CPUCORE */ /* 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]; ifp->ap_isolate = val; return 0; } #if defined(DHD_DEBUG) void dhd_schedule_memdump(dhd_pub_t *dhdp, uint8 *buf, uint32 size) { dhd_dump_t *dump = NULL; dump = MALLOC(dhdp->osh, sizeof(dhd_dump_t)); if (dump == NULL) return; dump->buf = buf; dump->bufsize = size; dhd_deferred_schedule_work(dhdp->info->dhd_deferred_wq, (void *)dump, DHD_WQ_WORK_SOC_RAM_DUMP, dhd_mem_dump, DHD_WORK_PRIORITY_HIGH); } static void dhd_mem_dump(void *handle, void *event_info, u8 event) { dhd_info_t *dhd = handle; dhd_dump_t *dump = event_info; if (!dhd || !dump) return; if (write_to_file(&dhd->pub, dump->buf, dump->bufsize)) { DHD_ERROR(("%s: writing SoC_RAM dump to the file failed\n", __FUNCTION__)); } MFREE(dhd->pub.osh, dump, sizeof(dhd_dump_t)); } #endif /* DHD_DEBUG */ #ifdef DHD_WMF /* Returns interface specific WMF configuration */ dhd_wmf_t* dhd_wmf_conf(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->wmf; } #endif /* DHD_WMF */ #if defined(KEEP_ALIVE) #define TEMP_BUF_SIZE 512 #define TEMP_FRAME_SIZE 300 int dhd_dev_start_mkeep_alive(dhd_pub_t *dhd_pub, u8 mkeep_alive_id, u8 *ip_pkt, u16 ip_pkt_len, u8* src_mac, u8* dst_mac, u32 period_msec) { char *pbuf; const char *str; wl_mkeep_alive_pkt_t mkeep_alive_pkt = {0}; wl_mkeep_alive_pkt_t *mkeep_alive_pktp; int buf_len; int str_len; int res = BCME_ERROR; int len_bytes = 0; int i; /* ether frame to have both max IP pkt (256 bytes) and ether header */ char *pmac_frame; /* * 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 = kzalloc(TEMP_BUF_SIZE, GFP_KERNEL)) == NULL) { DHD_ERROR(("failed to allocate buf with size %d\n", TEMP_BUF_SIZE)); res = BCME_NOMEM; return res; } if ((pmac_frame = kzalloc(TEMP_FRAME_SIZE, GFP_KERNEL)) == NULL) { DHD_ERROR(("failed to allocate mac_frame with size %d\n", TEMP_FRAME_SIZE)); res = BCME_NOMEM; goto exit; } /* * Get current mkeep-alive status. */ bcm_mkiovar("mkeep_alive", &mkeep_alive_id, sizeof(mkeep_alive_id), pbuf, TEMP_BUF_SIZE); if ((res = dhd_wl_ioctl_cmd(dhd_pub, WLC_GET_VAR, pbuf, TEMP_BUF_SIZE, FALSE, 0)) < 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, TEMP_BUF_SIZE); str = "mkeep_alive"; str_len = strlen(str); strlcpy(pbuf, str, TEMP_BUF_SIZE); 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 + ETHER_TYPE_LEN + ip_pkt_len; /* Get back to the beginning. */ pmac_frame -= len_bytes; memcpy(mkeep_alive_pktp->data, pmac_frame, 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: kfree(pmac_frame); kfree(pbuf); return res; } int dhd_dev_stop_mkeep_alive(dhd_pub_t *dhd_pub, u8 mkeep_alive_id) { char *pbuf; const char *str; wl_mkeep_alive_pkt_t mkeep_alive_pkt; wl_mkeep_alive_pkt_t *mkeep_alive_pktp; int buf_len; int str_len; int res = BCME_ERROR; int i; /* * 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)) { DHD_ERROR(("sta mode not supported \n")); 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 = kzalloc(TEMP_BUF_SIZE, GFP_KERNEL)) == NULL) { DHD_ERROR(("failed to allocate buf with size %d\n", TEMP_BUF_SIZE)); return res; } bcm_mkiovar("mkeep_alive", &mkeep_alive_id, sizeof(mkeep_alive_id), pbuf, TEMP_BUF_SIZE); if ((res = dhd_wl_ioctl_cmd(dhd_pub, WLC_GET_VAR, pbuf, TEMP_BUF_SIZE, FALSE, 0)) < 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)); memset(pbuf, 0, TEMP_BUF_SIZE); str = "mkeep_alive"; str_len = strlen(str); strlcpy(pbuf, str, str_len + 1); mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) (pbuf + str_len + 1); mkeep_alive_pkt.period_msec = 0; buf_len = str_len + 1; 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; buf_len += WL_MKEEP_ALIVE_FIXED_LEN; /* * 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); } else { DHD_ERROR(("%s: ID %u does not exist.\n", __FUNCTION__, mkeep_alive_id)); res = BCME_NOTFOUND; } exit: kfree(pbuf); return res; } #endif /* defined(KEEP_ALIVE) */ #ifdef DHD_UNICAST_DHCP static int dhd_get_pkt_ether_type(dhd_pub_t *pub, void *pktbuf, uint8 **data_ptr, int *len_ptr, uint16 *et_ptr, bool *snap_ptr) { uint8 *frame = PKTDATA(pub->osh, pktbuf); int length = PKTLEN(pub->osh, pktbuf); uint8 *pt; /* Pointer to type field */ uint16 ethertype; bool snap = FALSE; /* Process Ethernet II or SNAP-encapsulated 802.3 frames */ if (length < ETHER_HDR_LEN) { DHD_ERROR(("dhd: %s: short eth frame (%d)\n", __FUNCTION__, length)); return BCME_ERROR; } else if (ntoh16_ua(frame + ETHER_TYPE_OFFSET) >= ETHER_TYPE_MIN) { /* Frame is Ethernet II */ pt = frame + ETHER_TYPE_OFFSET; } else if (length >= ETHER_HDR_LEN + SNAP_HDR_LEN + ETHER_TYPE_LEN && !bcmp(llc_snap_hdr, frame + ETHER_HDR_LEN, SNAP_HDR_LEN)) { pt = frame + ETHER_HDR_LEN + SNAP_HDR_LEN; snap = TRUE; } else { DHD_INFO(("DHD: %s: non-SNAP 802.3 frame\n", __FUNCTION__)); return BCME_ERROR; } ethertype = ntoh16_ua(pt); /* Skip VLAN tag, if any */ if (ethertype == ETHER_TYPE_8021Q) { pt += VLAN_TAG_LEN; if ((pt + ETHER_TYPE_LEN) > (frame + length)) { DHD_ERROR(("dhd: %s: short VLAN frame (%d)\n", __FUNCTION__, length)); return BCME_ERROR; } ethertype = ntoh16_ua(pt); } *data_ptr = pt + ETHER_TYPE_LEN; *len_ptr = length - (pt + ETHER_TYPE_LEN - frame); *et_ptr = ethertype; *snap_ptr = snap; return BCME_OK; } static int dhd_get_pkt_ip_type(dhd_pub_t *pub, void *pktbuf, uint8 **data_ptr, int *len_ptr, uint8 *prot_ptr) { struct ipv4_hdr *iph; /* IP frame pointer */ int iplen; /* IP frame length */ uint16 ethertype, iphdrlen, ippktlen; uint16 iph_frag; uint8 prot; bool snap; if (dhd_get_pkt_ether_type(pub, pktbuf, (uint8 **)&iph, &iplen, ðertype, &snap) != 0) return BCME_ERROR; if (ethertype != ETHER_TYPE_IP) { return BCME_ERROR; } /* We support IPv4 only */ if (iplen < IPV4_OPTIONS_OFFSET || (IP_VER(iph) != IP_VER_4)) { return BCME_ERROR; } /* Header length sanity */ iphdrlen = IPV4_HLEN(iph); /* * Packet length sanity; sometimes we receive eth-frame size bigger * than the IP content, which results in a bad tcp chksum */ ippktlen = ntoh16(iph->tot_len); if (ippktlen < iplen) { DHD_INFO(("%s: extra frame length ignored\n", __FUNCTION__)); iplen = ippktlen; } else if (ippktlen > iplen) { DHD_ERROR(("dhd: %s: truncated IP packet (%d)\n", __FUNCTION__, ippktlen - iplen)); return BCME_ERROR; } if (iphdrlen < IPV4_OPTIONS_OFFSET || iphdrlen > iplen) { DHD_ERROR(("DHD: %s: IP-header-len (%d) out of range (%d-%d)\n", __FUNCTION__, iphdrlen, IPV4_OPTIONS_OFFSET, iplen)); return BCME_ERROR; } /* * We don't handle fragmented IP packets. A first frag is indicated by the MF * (more frag) bit and a subsequent frag is indicated by a non-zero frag offset. */ iph_frag = ntoh16(iph->frag); if ((iph_frag & IPV4_FRAG_MORE) || (iph_frag & IPV4_FRAG_OFFSET_MASK) != 0) { DHD_INFO(("DHD:%s: IP fragment not handled\n", __FUNCTION__)); return BCME_ERROR; } prot = IPV4_PROT(iph); *data_ptr = (((uint8 *)iph) + iphdrlen); *len_ptr = iplen - iphdrlen; *prot_ptr = prot; return BCME_OK; } /** check the packet type, if it is DHCP ACK/REPLY, convert into unicast packet */ static int dhd_convert_dhcp_broadcast_ack_to_unicast(dhd_pub_t *pub, void *pktbuf, int ifidx) { dhd_sta_t* stainfo; uint8 *eh = PKTDATA(pub->osh, pktbuf); uint8 *udph; uint8 *dhcp; uint8 *chaddr; int udpl; int dhcpl; uint16 port; uint8 prot; if (!ETHER_ISMULTI(eh + ETHER_DEST_OFFSET)) return BCME_ERROR; if (dhd_get_pkt_ip_type(pub, pktbuf, &udph, &udpl, &prot) != 0) return BCME_ERROR; if (prot != IP_PROT_UDP) return BCME_ERROR; /* check frame length, at least UDP_HDR_LEN */ if (udpl < UDP_HDR_LEN) { DHD_ERROR(("DHD: %s: short UDP frame, ignored\n", __FUNCTION__)); return BCME_ERROR; } port = ntoh16_ua(udph + UDP_DEST_PORT_OFFSET); /* only process DHCP packets from server to client */ if (port != DHCP_PORT_CLIENT) return BCME_ERROR; dhcp = udph + UDP_HDR_LEN; dhcpl = udpl - UDP_HDR_LEN; if (dhcpl < DHCP_CHADDR_OFFSET + ETHER_ADDR_LEN) { DHD_ERROR(("DHD: %s: short DHCP frame, ignored\n", __FUNCTION__)); return BCME_ERROR; } /* only process DHCP reply(offer/ack) packets */ if (*(dhcp + DHCP_TYPE_OFFSET) != DHCP_TYPE_REPLY) return BCME_ERROR; chaddr = dhcp + DHCP_CHADDR_OFFSET; stainfo = dhd_find_sta(pub, ifidx, chaddr); if (stainfo) { bcopy(chaddr, eh + ETHER_DEST_OFFSET, ETHER_ADDR_LEN); return BCME_OK; } return BCME_ERROR; } #endif /* DHD_UNICAST_DHD */ #ifdef DHD_L2_FILTER /* Check if packet type is ICMP ECHO */ static int dhd_l2_filter_block_ping(dhd_pub_t *pub, void *pktbuf, int ifidx) { struct bcmicmp_hdr *icmph; int udpl; uint8 prot; if (dhd_get_pkt_ip_type(pub, pktbuf, (uint8 **)&icmph, &udpl, &prot) != 0) return BCME_ERROR; if (prot == IP_PROT_ICMP) { if (icmph->type == ICMP_TYPE_ECHO_REQUEST) return BCME_OK; } return BCME_ERROR; } #endif /* DHD_L2_FILTER */ int dhd_set_slpauto_mode(struct net_device *dev, s32 val) { #ifdef BCMSDIO dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); int ret; if (!dhd) return -1; DHD_ERROR(("Setting dhd auto sleep(dhd_slpauto) to %s\n", val ? "enable" : "disable")); dhd_os_sdlock(&dhd->pub); val = htod32(val); ret = dhd_slpauto_config(&dhd->pub, val); dhd_os_sdunlock(&dhd->pub); return ret; #else return BCME_UNSUPPORTED; #endif } #if defined(SET_RPS_CPUS) || defined(ARGOS_RPS_CPU_CTL) 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 /* SET_RPS_CPUS || ARGOS_RPS_CPU_CTL */ #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) void SDA_setSharedMemory4Send(unsigned int buffer_id, unsigned char *buffer, unsigned int buffer_size, unsigned int packet_size, unsigned int headroom_size) { dhd_info_t *dhd = dhd_global; sda_packet_length = packet_size; ASSERT(dhd); if (dhd == NULL) return; } void SDA_registerCallback4SendDone(SDA_SendDoneCallBack packet_cb) { dhd_info_t *dhd = dhd_global; ASSERT(dhd); if (dhd == NULL) return; } unsigned long long SDA_getTsf(unsigned char vif_id) { dhd_info_t *dhd = dhd_global; uint64 tsf_val; char buf[WLC_IOCTL_SMLEN]; int ifidx = 0; struct tsf { uint32 low; uint32 high; } tsf_buf; memset(buf, 0, sizeof(buf)); if (vif_id == 0) /* wlan0 tsf */ ifidx = dhd_ifname2idx(dhd, "wlan0"); else if (vif_id == 1) /* p2p0 tsf */ ifidx = dhd_ifname2idx(dhd, "p2p0"); bcm_mkiovar("tsf_bss", 0, 0, buf, sizeof(buf)); if (dhd_wl_ioctl_cmd(&dhd->pub, WLC_GET_VAR, buf, sizeof(buf), FALSE, ifidx) < 0) { DHD_ERROR(("%s wl ioctl error\n", __FUNCTION__)); return 0; } memcpy(&tsf_buf, buf, sizeof(tsf_buf)); tsf_val = (uint64)tsf_buf.high; DHD_TRACE(("%s tsf high 0x%08x, low 0x%08x\n", __FUNCTION__, tsf_buf.high, tsf_buf.low)); return ((tsf_val << 32) | tsf_buf.low); } EXPORT_SYMBOL(SDA_getTsf); unsigned int SDA_syncTsf(void) { dhd_info_t *dhd = dhd_global; int tsf_sync = 1; char iovbuf[WLC_IOCTL_SMLEN]; bcm_mkiovar("wa_tsf_sync", (char *)&tsf_sync, 4, iovbuf, sizeof(iovbuf)); dhd_wl_ioctl_cmd(&dhd->pub, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); DHD_TRACE(("%s\n", __FUNCTION__)); return 0; } extern struct net_device *wl0dot1_dev; void BCMFASTPATH SDA_function4Send(uint buffer_id, void *packet, uint packet_size) { struct sk_buff *skb; sda_packet_t *shm_packet = packet; dhd_info_t *dhd = dhd_global; int cnt; static unsigned int cnt_t = 1; ASSERT(dhd); if (dhd == NULL) return; if (dhd->is_wlanaudio_blist) { for (cnt = 0; cnt < MAX_WLANAUDIO_BLACKLIST; cnt++) { if (dhd->wlanaudio_blist[cnt].is_blacklist == true) { if (!bcmp(dhd->wlanaudio_blist[cnt].blacklist_addr.octet, shm_packet->headroom.ether_dhost, ETHER_ADDR_LEN)) return; } } } if ((cnt_t % 10000) == 0) cnt_t = 0; cnt_t++; /* packet_size may be smaller than SDA_SHM_PKT_SIZE, remaining will be garbage */ #define TXOFF 26 skb = __dev_alloc_skb(TXOFF + sda_packet_length - SDA_PKT_HEADER_SIZE, GFP_ATOMIC); skb_reserve(skb, TXOFF - SDA_HEADROOM_SIZE); skb_put(skb, sda_packet_length - SDA_PKT_HEADER_SIZE + SDA_HEADROOM_SIZE); skb->priority = PRIO_8021D_VO; /* PRIO_8021D_VO or PRIO_8021D_VI */ /* p2p_net */ skb->dev = wl0dot1_dev; shm_packet->txTsf = 0x0; shm_packet->rxTsf = 0x0; memcpy(skb->data, &shm_packet->headroom, sda_packet_length - OFFSETOF(sda_packet_t, headroom)); shm_packet->desc.ready_to_copy = 0; dhd_start_xmit(skb, skb->dev); } void SDA_registerCallback4Recv(unsigned char *pBufferTotal, unsigned int BufferTotalSize) { dhd_info_t *dhd = dhd_global; ASSERT(dhd); if (dhd == NULL) return; } void SDA_setSharedMemory4Recv(unsigned char *pBufferTotal, unsigned int BufferTotalSize, unsigned int BufferUnitSize, unsigned int Headroomsize) { dhd_info_t *dhd = dhd_global; ASSERT(dhd); if (dhd == NULL) return; } void SDA_function4RecvDone(unsigned char * pBuffer, unsigned int BufferSize) { dhd_info_t *dhd = dhd_global; ASSERT(dhd); if (dhd == NULL) return; } EXPORT_SYMBOL(SDA_setSharedMemory4Send); EXPORT_SYMBOL(SDA_registerCallback4SendDone); EXPORT_SYMBOL(SDA_syncTsf); EXPORT_SYMBOL(SDA_function4Send); EXPORT_SYMBOL(SDA_registerCallback4Recv); EXPORT_SYMBOL(SDA_setSharedMemory4Recv); EXPORT_SYMBOL(SDA_function4RecvDone); #endif /* CUSTOMER_HW20 && WLANAUDIO */