#ifndef SIMULATION #include "wilc_wfi_cfgoperations.h" #include "linux_wlan_common.h" #include "wilc_wlan_if.h" #include "wilc_wlan.h" #ifdef USE_WIRELESS #include "wilc_wfi_cfgoperations.h" #endif #include "linux_wlan_common.h" #include #include #include #include #include #include #include #include #include #include #include #include #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP #include #endif #include #include #include #include #include #include #ifdef WILC_SDIO #include "linux_wlan_sdio.h" #else #include "linux_wlan_spi.h" #endif #ifdef WILC_FULLY_HOSTING_AP #include "wilc_host_ap.h" #endif #ifdef STATIC_MACADDRESS /* brandy_0724 [[ */ #include #include struct task_struct *wilc_mac_thread; unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xb2}; #endif /* brandy_0724 ]] */ #if defined(CUSTOMER_PLATFORM) /* TODO : Write power control functions as customer platform. */ #else #define _linux_wlan_device_power_on() {} #define _linux_wlan_device_power_off() {} #define _linux_wlan_device_detection() {} #define _linux_wlan_device_removal() {} #endif #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP extern bool g_obtainingIP; #endif extern u16 Set_machw_change_vir_if(bool bValue); extern void resolve_disconnect_aberration(void *drvHandler); extern u8 gau8MulticastMacAddrList[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN]; void wilc1000_wlan_deinit(linux_wlan_t *nic); #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP extern WILC_TimerHandle hDuringIpTimer; #endif static int linux_wlan_device_power(int on_off) { PRINT_D(INIT_DBG, "linux_wlan_device_power.. (%d)\n", on_off); if (on_off) { _linux_wlan_device_power_on(); } else { _linux_wlan_device_power_off(); } return 0; } static int linux_wlan_device_detection(int on_off) { PRINT_D(INIT_DBG, "linux_wlan_device_detection.. (%d)\n", on_off); #ifdef WILC_SDIO if (on_off) { _linux_wlan_device_detection(); } else { _linux_wlan_device_removal(); } #endif return 0; } #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr); static struct notifier_block g_dev_notifier = { .notifier_call = dev_state_ev_handler }; #endif #define wilc_wlan_deinit(nic) { if (&g_linux_wlan->oup != NULL) \ if (g_linux_wlan->oup.wlan_cleanup != NULL) \ g_linux_wlan->oup.wlan_cleanup(); } #ifndef STA_FIRMWARE #define STA_FIRMWARE "wifi_firmware.bin" #endif #ifndef AP_FIRMWARE #define AP_FIRMWARE "wifi_firmware_ap.bin" #endif #ifndef P2P_CONCURRENCY_FIRMWARE #define P2P_CONCURRENCY_FIRMWARE "wifi_firmware_p2p_concurrency.bin" #endif typedef struct android_wifi_priv_cmd { char *buf; int used_len; int total_len; } android_wifi_priv_cmd; #define IRQ_WAIT 1 #define IRQ_NO_WAIT 0 /* * to sync between mac_close and module exit. * don't initialize or de-initialize from init/deinitlocks * to be initialized from module wilc_netdev_init and * deinitialized from mdoule_exit */ static struct semaphore close_exit_sync; unsigned int int_rcvdU; unsigned int int_rcvdB; unsigned int int_clrd; static int wlan_deinit_locks(linux_wlan_t *nic); static void wlan_deinitialize_threads(linux_wlan_t *nic); static void linux_wlan_lock(void *vp); void linux_wlan_unlock(void *vp); extern void WILC_WFI_monitor_rx(uint8_t *buff, uint32_t size); extern void WILC_WFI_p2p_rx(struct net_device *dev, uint8_t *buff, uint32_t size); static void *internal_alloc(uint32_t size, uint32_t flag); static void linux_wlan_tx_complete(void *priv, int status); void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset); static int mac_init_fn(struct net_device *ndev); int mac_xmit(struct sk_buff *skb, struct net_device *dev); int mac_open(struct net_device *ndev); int mac_close(struct net_device *ndev); static struct net_device_stats *mac_stats(struct net_device *dev); static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd); static void wilc_set_multicast_list(struct net_device *dev); /* * for now - in frmw_to_linux there should be private data to be passed to it * and this data should be pointer to net device */ linux_wlan_t *g_linux_wlan; wilc_wlan_oup_t *gpstrWlanOps; bool bEnablePS = true; static const struct net_device_ops wilc_netdev_ops = { .ndo_init = mac_init_fn, .ndo_open = mac_open, .ndo_stop = mac_close, .ndo_start_xmit = mac_xmit, .ndo_do_ioctl = mac_ioctl, .ndo_get_stats = mac_stats, .ndo_set_rx_mode = wilc_set_multicast_list, }; #ifdef DEBUG_MODE extern volatile int timeNo; #define DEGUG_BUFFER_LENGTH 1000 volatile int WatchDogdebuggerCounter; char DebugBuffer[DEGUG_BUFFER_LENGTH + 20] = {0}; static char *ps8current = DebugBuffer; void printk_later(const char *format, ...) { va_list args; va_start (args, format); ps8current += vsprintf (ps8current, format, args); va_end (args); if ((ps8current - DebugBuffer) > DEGUG_BUFFER_LENGTH) { ps8current = DebugBuffer; } } void dump_logs() { if (DebugBuffer[0]) { DebugBuffer[DEGUG_BUFFER_LENGTH] = 0; PRINT_INFO(GENERIC_DBG, "early printed\n"); PRINT_D(GENERIC_DBG, ps8current + 1); ps8current[1] = 0; PRINT_INFO(GENERIC_DBG, "latest printed\n"); PRINT_D(GENERIC_DBG, DebugBuffer); DebugBuffer[0] = 0; ps8current = DebugBuffer; } } void Reset_WatchDogdebugger() { WatchDogdebuggerCounter = 0; } static int DebuggingThreadTask(void *vp) { while (1) { while (!WatchDogdebuggerCounter) { PRINT_D(GENERIC_DBG, "Debug Thread Running %d\n", timeNo); WatchDogdebuggerCounter = 1; msleep(10000); } dump_logs(); WatchDogdebuggerCounter = 0; } } #endif #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr) { struct in_ifaddr *dev_iface = (struct in_ifaddr *)ptr; struct WILC_WFI_priv *priv; tstrWILC_WFIDrv *pstrWFIDrv; struct net_device *dev; u8 *pIP_Add_buff; perInterface_wlan_t *nic; u8 null_ip[4] = {0}; char wlan_dev_name[5] = "wlan0"; if (dev_iface == NULL || dev_iface->ifa_dev == NULL || dev_iface->ifa_dev->dev == NULL) { PRINT_D(GENERIC_DBG, "dev_iface = NULL\n"); return NOTIFY_DONE; } if ((memcmp(dev_iface->ifa_label, "wlan0", 5)) && (memcmp(dev_iface->ifa_label, "p2p0", 4))) { PRINT_D(GENERIC_DBG, "Interface is neither WLAN0 nor P2P0\n"); return NOTIFY_DONE; } dev = (struct net_device *)dev_iface->ifa_dev->dev; if (dev->ieee80211_ptr == NULL || dev->ieee80211_ptr->wiphy == NULL) { PRINT_D(GENERIC_DBG, "No Wireless registerd\n"); return NOTIFY_DONE; } priv = wiphy_priv(dev->ieee80211_ptr->wiphy); if (priv == NULL) { PRINT_D(GENERIC_DBG, "No Wireless Priv\n"); return NOTIFY_DONE; } pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv; nic = netdev_priv(dev); if (nic == NULL || pstrWFIDrv == NULL) { PRINT_D(GENERIC_DBG, "No Wireless Priv\n"); return NOTIFY_DONE; } PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler +++\n"); /* tony */ switch (event) { case NETDEV_UP: PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_UP %p\n", dev); /* tony */ PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Obtained ===============\n\n"); /*If we are in station mode or client mode*/ if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) { pstrWFIDrv->IFC_UP = 1; g_obtainingIP = false; WILC_TimerStop(&hDuringIpTimer, NULL); PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n"); } if (bEnablePS) host_int_set_power_mgmt((WILC_WFIDrvHandle)pstrWFIDrv, 1, 0); PRINT_D(GENERIC_DBG, "[%s] Up IP\n", dev_iface->ifa_label); pIP_Add_buff = (char *) (&(dev_iface->ifa_address)); PRINT_D(GENERIC_DBG, "IP add=%d:%d:%d:%d \n", pIP_Add_buff[0], pIP_Add_buff[1], pIP_Add_buff[2], pIP_Add_buff[3]); host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx); break; case NETDEV_DOWN: PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_DOWN %p\n", dev); /* tony */ PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Released ===============\n\n"); if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) { pstrWFIDrv->IFC_UP = 0; g_obtainingIP = false; } if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0) host_int_set_power_mgmt((WILC_WFIDrvHandle)pstrWFIDrv, 0, 0); resolve_disconnect_aberration(pstrWFIDrv); PRINT_D(GENERIC_DBG, "[%s] Down IP\n", dev_iface->ifa_label); pIP_Add_buff = null_ip; PRINT_D(GENERIC_DBG, "IP add=%d:%d:%d:%d \n", pIP_Add_buff[0], pIP_Add_buff[1], pIP_Add_buff[2], pIP_Add_buff[3]); host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx); break; default: PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler event=default\n"); /* tony */ PRINT_INFO(GENERIC_DBG, "[%s] unknown dev event: %lu\n", dev_iface->ifa_label, event); break; } return NOTIFY_DONE; } #endif /* * Interrupt initialization and handling functions */ void linux_wlan_enable_irq(void) { #if (RX_BH_TYPE != RX_BH_THREADED_IRQ) #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) PRINT_D(INT_DBG, "Enabling IRQ ...\n"); enable_irq(g_linux_wlan->dev_irq_num); #endif #endif } void linux_wlan_disable_irq(int wait) { #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) if (wait) { PRINT_D(INT_DBG, "Disabling IRQ ...\n"); disable_irq(g_linux_wlan->dev_irq_num); } else { PRINT_D(INT_DBG, "Disabling IRQ ...\n"); disable_irq_nosync(g_linux_wlan->dev_irq_num); } #endif } #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) static irqreturn_t isr_uh_routine(int irq, void *user_data) { int_rcvdU++; #if (RX_BH_TYPE != RX_BH_THREADED_IRQ) linux_wlan_disable_irq(IRQ_NO_WAIT); #endif PRINT_D(INT_DBG, "Interrupt received UH\n"); /*While mac is closing cacncel the handling of any interrupts received*/ if (g_linux_wlan->close) { PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n"); #if (RX_BH_TYPE == RX_BH_THREADED_IRQ) return IRQ_HANDLED; #else return IRQ_NONE; #endif } #if (RX_BH_TYPE == RX_BH_WORK_QUEUE) schedule_work(&g_linux_wlan->rx_work_queue); return IRQ_HANDLED; #elif (RX_BH_TYPE == RX_BH_KTHREAD) linux_wlan_unlock(&g_linux_wlan->rx_sem); return IRQ_HANDLED; #elif (RX_BH_TYPE == RX_BH_THREADED_IRQ) return IRQ_WAKE_THREAD; #endif } #endif #if (RX_BH_TYPE == RX_BH_WORK_QUEUE || RX_BH_TYPE == RX_BH_THREADED_IRQ) #if (RX_BH_TYPE == RX_BH_THREADED_IRQ) irqreturn_t isr_bh_routine(int irq, void *userdata) { linux_wlan_t *nic; nic = (linux_wlan_t *)userdata; #else static void isr_bh_routine(struct work_struct *work) { perInterface_wlan_t *nic; nic = (perInterface_wlan_t *)container_of(work, linux_wlan_t, rx_work_queue); #endif /*While mac is closing cacncel the handling of any interrupts received*/ if (g_linux_wlan->close) { PRINT_ER("Driver is CLOSING: Can't handle BH interrupt\n"); #if (RX_BH_TYPE == RX_BH_THREADED_IRQ) return IRQ_HANDLED; #else return; #endif } int_rcvdB++; PRINT_D(INT_DBG, "Interrupt received BH\n"); if (g_linux_wlan->oup.wlan_handle_rx_isr != 0) { g_linux_wlan->oup.wlan_handle_rx_isr(); } else { PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n"); } #if (RX_BH_TYPE == RX_BH_THREADED_IRQ) return IRQ_HANDLED; #endif } #elif (RX_BH_TYPE == RX_BH_KTHREAD) static int isr_bh_routine(void *vp) { linux_wlan_t *nic; nic = (linux_wlan_t *)vp; while (1) { linux_wlan_lock(&nic->rx_sem); if (g_linux_wlan->close) { while (!kthread_should_stop()) schedule(); break; } int_rcvdB++; PRINT_D(INT_DBG, "Interrupt received BH\n"); if (g_linux_wlan->oup.wlan_handle_rx_isr != 0) { g_linux_wlan->oup.wlan_handle_rx_isr(); } else { PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n"); } } return 0; } #endif #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) static int init_irq(linux_wlan_t *p_nic) { int ret = 0; linux_wlan_t *nic = p_nic; /*initialize GPIO and register IRQ num*/ /*GPIO request*/ if ((gpio_request(GPIO_NUM, "WILC_INTR") == 0) && (gpio_direction_input(GPIO_NUM) == 0)) { #if defined(CUSTOMER_PLATFORM) /* TODO : save the registerd irq number to the private wilc context in kernel. * * ex) nic->dev_irq_num = gpio_to_irq(GPIO_NUM); */ #elif defined (NM73131_0_BOARD) nic->dev_irq_num = IRQ_WILC1000; #elif defined (PANDA_BOARD) gpio_export(GPIO_NUM, 1); nic->dev_irq_num = OMAP_GPIO_IRQ(GPIO_NUM); irq_set_irq_type(nic->dev_irq_num, IRQ_TYPE_LEVEL_LOW); #else nic->dev_irq_num = gpio_to_irq(GPIO_NUM); #endif } else { ret = -1; PRINT_ER("could not obtain gpio for WILC_INTR\n"); } #if (RX_BH_TYPE == RX_BH_THREADED_IRQ) if ((ret != -1) && (request_threaded_irq(nic->dev_irq_num, isr_uh_routine, isr_bh_routine, IRQF_TRIGGER_LOW | IRQF_ONESHOT, /*Without IRQF_ONESHOT the uh will remain kicked in and dont gave a chance to bh*/ "WILC_IRQ", nic)) < 0) { #else /*Request IRQ*/ if ((ret != -1) && (request_irq(nic->dev_irq_num, isr_uh_routine, IRQF_TRIGGER_LOW, "WILC_IRQ", nic) < 0)) { #endif PRINT_ER("Failed to request IRQ for GPIO: %d\n", GPIO_NUM); ret = -1; } else { PRINT_D(INIT_DBG, "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n", nic->dev_irq_num, GPIO_NUM); } return ret; } #endif static void deinit_irq(linux_wlan_t *nic) { #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) /* Deintialize IRQ */ if (&nic->dev_irq_num != 0) { free_irq(nic->dev_irq_num, g_linux_wlan); gpio_free(GPIO_NUM); } #endif } /* * OS functions */ static void linux_wlan_msleep(uint32_t msc) { if (msc <= 4000000) { u32 u32Temp = msc * 1000; usleep_range(u32Temp, u32Temp); } else { msleep(msc); } } static void linux_wlan_atomic_msleep(uint32_t msc) { mdelay(msc); } static void linux_wlan_dbg(uint8_t *buff) { PRINT_D(INIT_DBG, "%d\n", *buff); } static void *linux_wlan_malloc_atomic(uint32_t sz) { char *pntr = NULL; pntr = kmalloc(sz, GFP_ATOMIC); PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr); return (void *)pntr; } static void *linux_wlan_malloc(uint32_t sz) { char *pntr = NULL; pntr = kmalloc(sz, GFP_KERNEL); PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr); return (void *)pntr; } void linux_wlan_free(void *vp) { if (vp != NULL) { PRINT_D(MEM_DBG, "Freeing %p\n", vp); kfree(vp); } } static void *internal_alloc(uint32_t size, uint32_t flag) { char *pntr = NULL; pntr = kmalloc(size, flag); PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", size, pntr); return (void *)pntr; } static void linux_wlan_init_lock(char *lockName, void *plock, int count) { sema_init((struct semaphore *)plock, count); PRINT_D(LOCK_DBG, "Initializing [%s][%p]\n", lockName, plock); } static void linux_wlan_deinit_lock(void *plock) { /* mutex_destroy((struct mutex*)plock); */ } static void linux_wlan_lock(void *vp) { PRINT_D(LOCK_DBG, "Locking %p\n", vp); if (vp != NULL) { while (down_interruptible((struct semaphore *) vp)) ; } else { PRINT_ER("Failed, mutex is NULL\n"); } } static int linux_wlan_lock_timeout(void *vp, u32 timeout) { int error = -1; PRINT_D(LOCK_DBG, "Locking %p\n", vp); if (vp != NULL) { error = down_timeout((struct semaphore *)vp, msecs_to_jiffies(timeout)); } else { PRINT_ER("Failed, mutex is NULL\n"); } return error; } void linux_wlan_unlock(void *vp) { PRINT_D(LOCK_DBG, "Unlocking %p\n", vp); if (vp != NULL) { up((struct semaphore *)vp); } else { PRINT_ER("Failed, mutex is NULL\n"); } } static void linux_wlan_init_mutex(char *lockName, void *plock, int count) { mutex_init((struct mutex *)plock); PRINT_D(LOCK_DBG, "Initializing mutex [%s][%p]\n", lockName, plock); } static void linux_wlan_deinit_mutex(void *plock) { mutex_destroy((struct mutex *)plock); } static void linux_wlan_lock_mutex(void *vp) { PRINT_D(LOCK_DBG, "Locking mutex %p\n", vp); if (vp != NULL) { /* * if(mutex_is_locked((struct mutex*)vp)) * { * //PRINT_ER("Mutex already locked - %p \n",vp); * } */ mutex_lock((struct mutex *)vp); } else { PRINT_ER("Failed, mutex is NULL\n"); } } static void linux_wlan_unlock_mutex(void *vp) { PRINT_D(LOCK_DBG, "Unlocking mutex %p\n", vp); if (vp != NULL) { if (mutex_is_locked((struct mutex *)vp)) { mutex_unlock((struct mutex *)vp); } else { /* PRINT_ER("Mutex already unlocked - %p\n",vp); */ } } else { PRINT_ER("Failed, mutex is NULL\n"); } } /*Added by Amr - BugID_4720*/ static void linux_wlan_init_spin_lock(char *lockName, void *plock, int count) { spin_lock_init((spinlock_t *)plock); PRINT_D(SPIN_DEBUG, "Initializing mutex [%s][%p]\n", lockName, plock); } static void linux_wlan_deinit_spin_lock(void *plock) { } static void linux_wlan_spin_lock(void *vp, unsigned long *flags) { unsigned long lflags; PRINT_D(SPIN_DEBUG, "Lock spin %p\n", vp); if (vp != NULL) { spin_lock_irqsave((spinlock_t *)vp, lflags); *flags = lflags; } else { PRINT_ER("Failed, spin lock is NULL\n"); } } static void linux_wlan_spin_unlock(void *vp, unsigned long *flags) { unsigned long lflags = *flags; PRINT_D(SPIN_DEBUG, "Unlock spin %p\n", vp); if (vp != NULL) { spin_unlock_irqrestore((spinlock_t *)vp, lflags); *flags = lflags; } else { PRINT_ER("Failed, spin lock is NULL\n"); } } static void linux_wlan_mac_indicate(int flag) { /*I have to do it that way becuase there is no mean to encapsulate device pointer * as a parameter */ linux_wlan_t *pd = g_linux_wlan; int status; if (flag == WILC_MAC_INDICATE_STATUS) { pd->oup.wlan_cfg_get_value(WID_STATUS, (unsigned char *)&status, 4); if (pd->mac_status == WILC_MAC_STATUS_INIT) { pd->mac_status = status; linux_wlan_unlock(&pd->sync_event); } else { pd->mac_status = status; } if (pd->mac_status == WILC_MAC_STATUS_CONNECT) { /* Connect */ } } else if (flag == WILC_MAC_INDICATE_SCAN) { PRINT_D(GENERIC_DBG, "Scanning ...\n"); } } struct net_device *GetIfHandler(uint8_t *pMacHeader) { uint8_t *Bssid, *Bssid1; int i = 0; Bssid = pMacHeader + 10; Bssid1 = pMacHeader + 4; for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) { if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) || !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) { return g_linux_wlan->strInterfaceInfo[i].wilc_netdev; } } PRINT_INFO(INIT_DBG, "Invalide handle\n"); for (i = 0; i < 25; i++) { PRINT_D(INIT_DBG, "%02x ", pMacHeader[i]); } Bssid = pMacHeader + 18; Bssid1 = pMacHeader + 12; for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) { if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) || !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) { PRINT_D(INIT_DBG, "Ctx [%p]\n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev); return g_linux_wlan->strInterfaceInfo[i].wilc_netdev; } } PRINT_INFO(INIT_DBG, "\n"); return NULL; } int linux_wlan_set_bssid(struct net_device *wilc_netdev, uint8_t *pBSSID) { int i = 0; int ret = -1; PRINT_D(INIT_DBG, "set bssid on[%p]\n", wilc_netdev); for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) { if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev == wilc_netdev) { PRINT_D(INIT_DBG, "set bssid [%x][%x][%x]\n", pBSSID[0], pBSSID[1], pBSSID[2]); memcpy(g_linux_wlan->strInterfaceInfo[i].aBSSID, pBSSID, 6); ret = 0; break; } } return ret; } /*BugID_5213*/ /*Function to get number of connected interfaces*/ int linux_wlan_get_num_conn_ifcs(void) { uint8_t i = 0; uint8_t null_bssid[6] = {0}; uint8_t ret_val = 0; for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) { if (memcmp(g_linux_wlan->strInterfaceInfo[i].aBSSID, null_bssid, 6)) { ret_val++; } } return ret_val; } static int linux_wlan_rxq_task(void *vp) { /* inform wilc1000_wlan_init that RXQ task is started. */ linux_wlan_unlock(&g_linux_wlan->rxq_thread_started); while (1) { linux_wlan_lock(&g_linux_wlan->rxq_event); /* wait_for_completion(&g_linux_wlan->rxq_event); */ if (g_linux_wlan->close) { /*Unlock the mutex in the mac_close function to indicate the exiting of the RX thread */ linux_wlan_unlock(&g_linux_wlan->rxq_thread_started); while (!kthread_should_stop()) schedule(); PRINT_D(RX_DBG, " RX thread stopped\n"); break; } PRINT_D(RX_DBG, "Calling wlan_handle_rx_que()\n"); g_linux_wlan->oup.wlan_handle_rx_que(); } return 0; } #define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS static int linux_wlan_txq_task(void *vp) { int ret, txq_count; #if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS #define TX_BACKOFF_WEIGHT_INCR_STEP (1) #define TX_BACKOFF_WEIGHT_DECR_STEP (1) #define TX_BACKOFF_WEIGHT_MAX (7) #define TX_BACKOFF_WEIGHT_MIN (0) #define TX_BACKOFF_WEIGHT_UNIT_MS (10) int backoff_weight = TX_BACKOFF_WEIGHT_MIN; signed long timeout; #endif /* inform wilc1000_wlan_init that TXQ task is started. */ linux_wlan_unlock(&g_linux_wlan->txq_thread_started); while (1) { PRINT_D(TX_DBG, "txq_task Taking a nap :)\n"); linux_wlan_lock(&g_linux_wlan->txq_event); /* wait_for_completion(&pd->txq_event); */ PRINT_D(TX_DBG, "txq_task Who waked me up :$\n"); if (g_linux_wlan->close) { /*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */ linux_wlan_unlock(&g_linux_wlan->txq_thread_started); while (!kthread_should_stop()) schedule(); PRINT_D(TX_DBG, "TX thread stopped\n"); break; } PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n"); #if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS g_linux_wlan->oup.wlan_handle_tx_que(); #else do { ret = g_linux_wlan->oup.wlan_handle_tx_que(&txq_count); if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD /* && netif_queue_stopped(pd->wilc_netdev)*/) { PRINT_D(TX_DBG, "Waking up queue\n"); /* netif_wake_queue(pd->wilc_netdev); */ if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[0].wilc_netdev)) netif_wake_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev); if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[1].wilc_netdev)) netif_wake_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev); } if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */ timeout = msecs_to_jiffies(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight); do { /* Back off from sending packets for some time. */ /* schedule_timeout will allow RX task to run and free buffers.*/ /* set_current_state(TASK_UNINTERRUPTIBLE); */ /* timeout = schedule_timeout(timeout); */ msleep(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight); } while (/*timeout*/ 0); backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP; if (backoff_weight > TX_BACKOFF_WEIGHT_MAX) { backoff_weight = TX_BACKOFF_WEIGHT_MAX; } } else { if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) { backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP; if (backoff_weight < TX_BACKOFF_WEIGHT_MIN) { backoff_weight = TX_BACKOFF_WEIGHT_MIN; } } } /*TODO: drop packets after a certain time/number of retry count. */ } while (ret == WILC_TX_ERR_NO_BUF && !g_linux_wlan->close); /* retry sending packets if no more buffers in chip. */ #endif } return 0; } static void linux_wlan_rx_complete(void) { PRINT_D(RX_DBG, "RX completed\n"); } int linux_wlan_get_firmware(perInterface_wlan_t *p_nic) { perInterface_wlan_t *nic = p_nic; int ret = 0; const struct firmware *wilc_firmware; char *firmware; if (nic->iftype == AP_MODE) firmware = AP_FIRMWARE; else if (nic->iftype == STATION_MODE) firmware = STA_FIRMWARE; /*BugID_5137*/ else { PRINT_D(INIT_DBG, "Get P2P_CONCURRENCY_FIRMWARE\n"); firmware = P2P_CONCURRENCY_FIRMWARE; } if (nic == NULL) { PRINT_ER("NIC is NULL\n"); goto _fail_; } if (&nic->wilc_netdev->dev == NULL) { PRINT_ER("&nic->wilc_netdev->dev is NULL\n"); goto _fail_; } /* the firmare should be located in /lib/firmware in * root file system with the name specified above */ #ifdef WILC_SDIO if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_sdio_func->dev) != 0) { PRINT_ER("%s - firmare not available\n", firmware); ret = -1; goto _fail_; } #else if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_spidev->dev) != 0) { PRINT_ER("%s - firmare not available\n", firmware); ret = -1; goto _fail_; } #endif g_linux_wlan->wilc_firmware = wilc_firmware; /* Bug 4703 */ _fail_: return ret; } #ifdef COMPLEMENT_BOOT int repeat_power_cycle(perInterface_wlan_t *nic); #endif static int linux_wlan_start_firmware(perInterface_wlan_t *nic) { int ret = 0; /* start firmware */ PRINT_D(INIT_DBG, "Starting Firmware ...\n"); ret = g_linux_wlan->oup.wlan_start(); if (ret < 0) { PRINT_ER("Failed to start Firmware\n"); goto _fail_; } /* wait for mac ready */ PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n"); ret = linux_wlan_lock_timeout(&g_linux_wlan->sync_event, 5000); if (ret) { #ifdef COMPLEMENT_BOOT static int timeout = 5; if (timeout--) { PRINT_D(INIT_DBG, "repeat power cycle[%d]", timeout); ret = repeat_power_cycle(nic); } else { timeout = 5; ret = -1; goto _fail_; } #endif PRINT_D(INIT_DBG, "Firmware start timed out"); goto _fail_; } /* * TODO: Driver shouoldn't wait forever for firmware to get started - * in case of timeout this should be handled properly */ PRINT_D(INIT_DBG, "Firmware successfully started\n"); _fail_: return ret; } static int linux_wlan_firmware_download(linux_wlan_t *p_nic) { int ret = 0; if (g_linux_wlan->wilc_firmware == NULL) { PRINT_ER("Firmware buffer is NULL\n"); ret = -ENOBUFS; goto _FAIL_; } /** * do the firmware download **/ PRINT_D(INIT_DBG, "Downloading Firmware ...\n"); ret = g_linux_wlan->oup.wlan_firmware_download(g_linux_wlan->wilc_firmware->data, g_linux_wlan->wilc_firmware->size); if (ret < 0) { goto _FAIL_; } /* Freeing FW buffer */ PRINT_D(INIT_DBG, "Freeing FW buffer ...\n"); PRINT_D(INIT_DBG, "Releasing firmware\n"); release_firmware(g_linux_wlan->wilc_firmware); g_linux_wlan->wilc_firmware = NULL; PRINT_D(INIT_DBG, "Download Succeeded \n"); _FAIL_: return ret; } /* startup configuration - could be changed later using iconfig*/ static int linux_wlan_init_test_config(struct net_device *dev, linux_wlan_t *p_nic) { unsigned char c_val[64]; #ifndef STATIC_MACADDRESS unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff}; #endif /*BugID_5077*/ struct WILC_WFI_priv *priv; tstrWILC_WFIDrv *pstrWFIDrv; PRINT_D(TX_DBG, "Start configuring Firmware\n"); #ifndef STATIC_MACADDRESS get_random_bytes(&mac_add[5], 1); get_random_bytes(&mac_add[4], 1); #endif priv = wiphy_priv(dev->ieee80211_ptr->wiphy); pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv; PRINT_D(INIT_DBG, "Host = %p\n", pstrWFIDrv); PRINT_D(INIT_DBG, "MAC address is : %02x-%02x-%02x-%02x-%02x-%02x\n", mac_add[0], mac_add[1], mac_add[2], mac_add[3], mac_add[4], mac_add[5]); wilc_get_chipid(0); if (g_linux_wlan->oup.wlan_cfg_set == NULL) { PRINT_D(INIT_DBG, "Null p[ointer\n"); goto _fail_; } *(int *)c_val = (u32)pstrWFIDrv; if (!g_linux_wlan->oup.wlan_cfg_set(1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0)) goto _fail_; /*to tell fw that we are going to use PC test - WILC specific*/ c_val[0] = 0; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = INFRASTRUCTURE; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0)) goto _fail_; /* c_val[0] = RATE_AUTO; / * bug 4275: Enable autorate and limit it to 24Mbps * / */ c_val[0] = RATE_AUTO; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = G_MIXED_11B_2_MODE; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 1; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0)) goto _fail_; c_val[0] = G_SHORT_PREAMBLE; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = AUTO_PROT; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0)) goto _fail_; #ifdef SWITCH_LOG_TERMINAL c_val[0] = AUTO_PROT; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LOGTerminal_Switch, c_val, 1, 0, 0)) goto _fail_; #endif c_val[0] = ACTIVE_SCAN; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = SITE_SURVEY_OFF; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0)) goto _fail_; *((int *)c_val) = 0xffff; /* Never use RTS-CTS */ if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0)) goto _fail_; *((int *)c_val) = 2346; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0)) goto _fail_; /* SSID */ /* -------------------------------------------------------------- */ /* Configuration : String with length less than 32 bytes */ /* Values to set : Any string with length less than 32 bytes */ /* ( In BSS Station Set SSID to "" (null string) */ /* to enable Broadcast SSID suppport ) */ /* -------------------------------------------------------------- */ #ifndef USE_WIRELESS strcpy(c_val, "nwifi"); if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SSID, c_val, (strlen(c_val) + 1), 0, 0)) goto _fail_; #endif c_val[0] = 0; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 1; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = NO_POWERSAVE; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0)) goto _fail_; c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */ if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = OPEN_SYSTEM; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_AUTH_TYPE, c_val, 1, 0, 0)) goto _fail_; /* WEP/802 11I Configuration */ /* ------------------------------------------------------------------ */ /* Configuration : WEP Key */ /* Values (0x) : 5 byte for WEP40 and 13 bytes for WEP104 */ /* In case more than 5 bytes are passed on for WEP 40 */ /* only first 5 bytes will be used as the key */ /* ------------------------------------------------------------------ */ strcpy(c_val, "123456790abcdef1234567890"); if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_WEP_KEY_VALUE, c_val, (strlen(c_val) + 1), 0, 0)) goto _fail_; /* WEP/802 11I Configuration */ /* ------------------------------------------------------------------ */ /* Configuration : AES/TKIP WPA/RSNA Pre-Shared Key */ /* Values to set : Any string with length greater than equal to 8 bytes */ /* and less than 64 bytes */ /* ------------------------------------------------------------------ */ strcpy(c_val, "12345678"); if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_PSK, c_val, (strlen(c_val)), 0, 0)) goto _fail_; /* IEEE802.1X Key Configuration */ /* ------------------------------------------------------------------ */ /* Configuration : Radius Server Access Secret Key */ /* Values to set : Any string with length greater than equal to 8 bytes */ /* and less than 65 bytes */ /* ------------------------------------------------------------------ */ strcpy(c_val, "password"); if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_KEY, c_val, (strlen(c_val) + 1), 0, 0)) goto _fail_; /* IEEE802.1X Server Address Configuration */ /* ------------------------------------------------------------------ */ /* Configuration : Radius Server IP Address */ /* Values to set : Any valid IP Address */ /* ------------------------------------------------------------------ */ c_val[0] = 192; c_val[1] = 168; c_val[2] = 1; c_val[3] = 112; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0)) goto _fail_; c_val[0] = 3; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 3; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0)) goto _fail_; c_val[0] = NORMAL_ACK; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 0; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 48; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 28; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0, 0)) goto _fail_; /* Beacon Interval */ /* -------------------------------------------------------------------- */ /* Configuration : Sets the beacon interval value */ /* Values to set : Any 16-bit value */ /* -------------------------------------------------------------------- */ *((int *)c_val) = 100; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0)) goto _fail_; c_val[0] = REKEY_DISABLE; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_POLICY, c_val, 1, 0, 0)) goto _fail_; /* Rekey Time (s) (Used only when the Rekey policy is 2 or 4) */ /* -------------------------------------------------------------------- */ /* Configuration : Sets the Rekey Time (s) */ /* Values to set : 32-bit value */ /* -------------------------------------------------------------------- */ *((int *)c_val) = 84600; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PERIOD, c_val, 4, 0, 0)) goto _fail_; /* Rekey Packet Count (in 1000s; used when Rekey Policy is 3) */ /* -------------------------------------------------------------------- */ /* Configuration : Sets Rekey Group Packet count */ /* Values to set : 32-bit Value */ /* -------------------------------------------------------------------- */ *((int *)c_val) = 500; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0)) goto _fail_; c_val[0] = 1; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0)) goto _fail_; c_val[0] = G_SELF_CTS_PROT; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 1; /* Enable N */ if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = HT_MIXED_MODE; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OPERATING_MODE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 1; /* TXOP Prot disable in N mode: No RTS-CTS on TX A-MPDUs to save air-time. */ if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0)) goto _fail_; memcpy(c_val, mac_add, 6); if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0)) goto _fail_; /** * AP only **/ c_val[0] = DETECT_PROTECT_REPORT; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1, 0, 0)) goto _fail_; c_val[0] = RTS_CTS_NONHT_PROT; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 0; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = MIMO_MODE; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 7; if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0, 0)) goto _fail_; c_val[0] = 1; /* Enable N with immediate block ack. */ if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, (u32)pstrWFIDrv)) goto _fail_; return 0; _fail_: return -1; } /**************************/ void wilc1000_wlan_deinit(linux_wlan_t *nic) { if (g_linux_wlan->wilc1000_initialized) { printk("Deinitializing wilc1000 ...\n"); if (nic == NULL) { PRINT_ER("nic is NULL\n"); return; } #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31) /* johnny : remove */ PRINT_D(INIT_DBG, "skip wilc_bus_set_default_speed\n"); #else wilc_bus_set_default_speed(); #endif PRINT_D(INIT_DBG, "Disabling IRQ\n"); #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO) linux_wlan_disable_irq(IRQ_WAIT); #else #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31) #else linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs); disable_sdio_interrupt(); linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs); #endif #endif /* not sure if the following unlocks are needed or not*/ if (&g_linux_wlan->rxq_event != NULL) { linux_wlan_unlock(&g_linux_wlan->rxq_event); } if (&g_linux_wlan->txq_event != NULL) { linux_wlan_unlock(&g_linux_wlan->txq_event); } #if (RX_BH_TYPE == RX_BH_WORK_QUEUE) /*Removing the work struct from the linux kernel workqueue*/ if (&g_linux_wlan->rx_work_queue != NULL) flush_work(&g_linux_wlan->rx_work_queue); #elif (RX_BH_TYPE == RX_BH_KTHREAD) /* if(&nic->rx_sem != NULL) */ /* linux_wlan_unlock(&nic->rx_sem); */ #endif PRINT_D(INIT_DBG, "Deinitializing Threads\n"); wlan_deinitialize_threads(nic); PRINT_D(INIT_DBG, "Deinitializing IRQ\n"); deinit_irq(g_linux_wlan); if (&g_linux_wlan->oup != NULL) { if (g_linux_wlan->oup.wlan_stop != NULL) g_linux_wlan->oup.wlan_stop(); } PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n"); wilc_wlan_deinit(nic); #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO) #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31) PRINT_D(INIT_DBG, "Disabling IRQ 2\n"); linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs); disable_sdio_interrupt(); linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs); #endif #endif /*De-Initialize locks*/ PRINT_D(INIT_DBG, "Deinitializing Locks\n"); wlan_deinit_locks(g_linux_wlan); /* announce that wilc1000 is not initialized */ g_linux_wlan->wilc1000_initialized = 0; PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n"); } else { PRINT_D(INIT_DBG, "wilc1000 is not initialized\n"); } return; } int wlan_init_locks(linux_wlan_t *p_nic) { PRINT_D(INIT_DBG, "Initializing Locks ...\n"); /*initialize mutexes*/ linux_wlan_init_mutex("hif_lock/hif_cs", &g_linux_wlan->hif_cs, 1); linux_wlan_init_mutex("rxq_lock/rxq_cs", &g_linux_wlan->rxq_cs, 1); linux_wlan_init_mutex("txq_lock/txq_cs", &g_linux_wlan->txq_cs, 1); /*Added by Amr - BugID_4720*/ linux_wlan_init_spin_lock("txq_spin_lock/txq_cs", &g_linux_wlan->txq_spinlock, 1); /*Added by Amr - BugID_4720*/ linux_wlan_init_lock("txq_add_to_head_lock/txq_cs", &g_linux_wlan->txq_add_to_head_cs, 1); linux_wlan_init_lock("txq_wait/txq_event", &g_linux_wlan->txq_event, 0); linux_wlan_init_lock("rxq_wait/rxq_event", &g_linux_wlan->rxq_event, 0); linux_wlan_init_lock("cfg_wait/cfg_event", &g_linux_wlan->cfg_event, 0); linux_wlan_init_lock("sync_event", &g_linux_wlan->sync_event, 0); linux_wlan_init_lock("rxq_lock/rxq_started", &g_linux_wlan->rxq_thread_started, 0); linux_wlan_init_lock("rxq_lock/txq_started", &g_linux_wlan->txq_thread_started, 0); #if (RX_BH_TYPE == RX_BH_KTHREAD) linux_wlan_init_lock("BH_SEM", &g_linux_wlan->rx_sem, 0); #endif return 0; } static int wlan_deinit_locks(linux_wlan_t *nic) { PRINT_D(INIT_DBG, "De-Initializing Locks\n"); if (&g_linux_wlan->hif_cs != NULL) linux_wlan_deinit_mutex(&g_linux_wlan->hif_cs); if (&g_linux_wlan->rxq_cs != NULL) linux_wlan_deinit_mutex(&g_linux_wlan->rxq_cs); if (&g_linux_wlan->txq_cs != NULL) linux_wlan_deinit_mutex(&g_linux_wlan->txq_cs); /*Added by Amr - BugID_4720*/ if (&g_linux_wlan->txq_spinlock != NULL) linux_wlan_deinit_spin_lock(&g_linux_wlan->txq_spinlock); if (&g_linux_wlan->rxq_event != NULL) linux_wlan_deinit_lock(&g_linux_wlan->rxq_event); if (&g_linux_wlan->txq_event != NULL) linux_wlan_deinit_lock(&g_linux_wlan->txq_event); /*Added by Amr - BugID_4720*/ if (&g_linux_wlan->txq_add_to_head_cs != NULL) linux_wlan_deinit_lock(&g_linux_wlan->txq_add_to_head_cs); if (&g_linux_wlan->rxq_thread_started != NULL) linux_wlan_deinit_lock(&g_linux_wlan->rxq_thread_started); if (&g_linux_wlan->txq_thread_started != NULL) linux_wlan_deinit_lock(&g_linux_wlan->txq_thread_started); if (&g_linux_wlan->cfg_event != NULL) linux_wlan_deinit_lock(&g_linux_wlan->cfg_event); if (&g_linux_wlan->sync_event != NULL) linux_wlan_deinit_lock(&g_linux_wlan->sync_event); return 0; } void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic) { PRINT_D(INIT_DBG, "Linux to Wlan services ...\n"); nwi->os_context.hif_critical_section = (void *)&g_linux_wlan->hif_cs; nwi->os_context.os_private = (void *)nic; nwi->os_context.tx_buffer_size = LINUX_TX_SIZE; nwi->os_context.txq_critical_section = (void *)&g_linux_wlan->txq_cs; /*Added by Amr - BugID_4720*/ nwi->os_context.txq_add_to_head_critical_section = (void *)&g_linux_wlan->txq_add_to_head_cs; /*Added by Amr - BugID_4720*/ nwi->os_context.txq_spin_lock = (void *)&g_linux_wlan->txq_spinlock; nwi->os_context.txq_wait_event = (void *)&g_linux_wlan->txq_event; #if defined (MEMORY_STATIC) nwi->os_context.rx_buffer_size = LINUX_RX_SIZE; #endif nwi->os_context.rxq_critical_section = (void *)&g_linux_wlan->rxq_cs; nwi->os_context.rxq_wait_event = (void *)&g_linux_wlan->rxq_event; nwi->os_context.cfg_wait_event = (void *)&g_linux_wlan->cfg_event; nwi->os_func.os_sleep = linux_wlan_msleep; nwi->os_func.os_atomic_sleep = linux_wlan_atomic_msleep; nwi->os_func.os_debug = linux_wlan_dbg; nwi->os_func.os_malloc = linux_wlan_malloc; nwi->os_func.os_malloc_atomic = linux_wlan_malloc_atomic; nwi->os_func.os_free = linux_wlan_free; nwi->os_func.os_lock = linux_wlan_lock; nwi->os_func.os_unlock = linux_wlan_unlock; nwi->os_func.os_wait = linux_wlan_lock_timeout; nwi->os_func.os_signal = linux_wlan_unlock; nwi->os_func.os_enter_cs = linux_wlan_lock_mutex; nwi->os_func.os_leave_cs = linux_wlan_unlock_mutex; /*Added by Amr - BugID_4720*/ nwi->os_func.os_spin_lock = linux_wlan_spin_lock; nwi->os_func.os_spin_unlock = linux_wlan_spin_unlock; #ifdef WILC_SDIO nwi->io_func.io_type = HIF_SDIO; nwi->io_func.io_init = linux_sdio_init; nwi->io_func.io_deinit = linux_sdio_deinit; nwi->io_func.u.sdio.sdio_cmd52 = linux_sdio_cmd52; nwi->io_func.u.sdio.sdio_cmd53 = linux_sdio_cmd53; nwi->io_func.u.sdio.sdio_set_max_speed = linux_sdio_set_max_speed; nwi->io_func.u.sdio.sdio_set_default_speed = linux_sdio_set_default_speed; #else nwi->io_func.io_type = HIF_SPI; nwi->io_func.io_init = linux_spi_init; nwi->io_func.io_deinit = linux_spi_deinit; nwi->io_func.u.spi.spi_tx = linux_spi_write; nwi->io_func.u.spi.spi_rx = linux_spi_read; nwi->io_func.u.spi.spi_trx = linux_spi_write_read; nwi->io_func.u.spi.spi_max_speed = linux_spi_set_max_speed; #endif /*for now - to be revised*/ #ifdef WILC_FULLY_HOSTING_AP /* incase of Fully hosted AP, all non cfg pkts are processed here*/ nwi->net_func.rx_indicate = WILC_Process_rx_frame; #else nwi->net_func.rx_indicate = frmw_to_linux; #endif nwi->net_func.rx_complete = linux_wlan_rx_complete; nwi->indicate_func.mac_indicate = linux_wlan_mac_indicate; } int wlan_initialize_threads(perInterface_wlan_t *nic) { int ret = 0; PRINT_D(INIT_DBG, "Initializing Threads ...\n"); #if (RX_BH_TYPE == RX_BH_WORK_QUEUE) /*Initialize rx work queue task*/ INIT_WORK(&g_linux_wlan->rx_work_queue, isr_bh_routine); #elif (RX_BH_TYPE == RX_BH_KTHREAD) PRINT_D(INIT_DBG, "Creating kthread for Rxq BH\n"); g_linux_wlan->rx_bh_thread = kthread_run(isr_bh_routine, (void *)g_linux_wlan, "K_RXQ_BH"); if (g_linux_wlan->rx_bh_thread == 0) { PRINT_ER("couldn't create RX BH thread\n"); ret = -ENOBUFS; goto _fail_; } #endif #ifndef TCP_ENHANCEMENTS /* create rx task */ PRINT_D(INIT_DBG, "Creating kthread for reception\n"); g_linux_wlan->rxq_thread = kthread_run(linux_wlan_rxq_task, (void *)g_linux_wlan, "K_RXQ_TASK"); if (g_linux_wlan->rxq_thread == 0) { PRINT_ER("couldn't create RXQ thread\n"); ret = -ENOBUFS; goto _fail_1; } /* wait for RXQ task to start. */ linux_wlan_lock(&g_linux_wlan->rxq_thread_started); #endif /* create tx task */ PRINT_D(INIT_DBG, "Creating kthread for transmission\n"); g_linux_wlan->txq_thread = kthread_run(linux_wlan_txq_task, (void *)g_linux_wlan, "K_TXQ_TASK"); if (g_linux_wlan->txq_thread == 0) { PRINT_ER("couldn't create TXQ thread\n"); ret = -ENOBUFS; goto _fail_2; } #ifdef DEBUG_MODE PRINT_D(INIT_DBG, "Creating kthread for Debugging\n"); g_linux_wlan->txq_thread = kthread_run(DebuggingThreadTask, (void *)g_linux_wlan, "DebugThread"); if (g_linux_wlan->txq_thread == 0) { PRINT_ER("couldn't create TXQ thread\n"); ret = -ENOBUFS; goto _fail_2; } #endif /* wait for TXQ task to start. */ linux_wlan_lock(&g_linux_wlan->txq_thread_started); return 0; _fail_2: /*De-Initialize 2nd thread*/ g_linux_wlan->close = 1; linux_wlan_unlock(&g_linux_wlan->rxq_event); kthread_stop(g_linux_wlan->rxq_thread); #ifndef TCP_ENHANCEMENTS _fail_1: #endif #if (RX_BH_TYPE == RX_BH_KTHREAD) /*De-Initialize 1st thread*/ g_linux_wlan->close = 1; linux_wlan_unlock(&g_linux_wlan->rx_sem); kthread_stop(g_linux_wlan->rx_bh_thread); _fail_: #endif g_linux_wlan->close = 0; return ret; } static void wlan_deinitialize_threads(linux_wlan_t *nic) { g_linux_wlan->close = 1; PRINT_D(INIT_DBG, "Deinitializing Threads\n"); if (&g_linux_wlan->rxq_event != NULL) linux_wlan_unlock(&g_linux_wlan->rxq_event); if (g_linux_wlan->rxq_thread != NULL) { kthread_stop(g_linux_wlan->rxq_thread); g_linux_wlan->rxq_thread = NULL; } if (&g_linux_wlan->txq_event != NULL) linux_wlan_unlock(&g_linux_wlan->txq_event); if (g_linux_wlan->txq_thread != NULL) { kthread_stop(g_linux_wlan->txq_thread); g_linux_wlan->txq_thread = NULL; } #if (RX_BH_TYPE == RX_BH_KTHREAD) if (&g_linux_wlan->rx_sem != NULL) linux_wlan_unlock(&g_linux_wlan->rx_sem); if (g_linux_wlan->rx_bh_thread != NULL) { kthread_stop(g_linux_wlan->rx_bh_thread); g_linux_wlan->rx_bh_thread = NULL; } #endif } #ifdef STATIC_MACADDRESS const char *path_string[] = { "/etc/wlan", "/data/wlan", }; static int linux_wlan_read_mac_addr(void *vp) { int ret = 0; struct file *fp = (struct file *)-ENOENT; mm_segment_t old_fs; loff_t pos = 0; int index; int array_size = ARRAY_SIZE(path_string); /* change to KERNEL_DS address limit */ old_fs = get_fs(); set_fs(KERNEL_DS); for (index = 0; index < array_size; index++) { fp = filp_open(path_string[index], O_WRONLY, 0640); if (!fp) { ret = -1; goto exit; } /*No such file or directory */ if (IS_ERR(fp) || !fp->f_op) { get_random_bytes(&mac_add[3], 3); /* open file to write */ fp = filp_open(path_string[index], O_WRONLY | O_CREAT, 0640); if (!fp || IS_ERR(fp)) { ret = -1; continue; } else { /* write buf to file */ fp->f_op->write(fp, mac_add, 6, &pos); break; } } else { /* read file to buf */ fp->f_op->read(fp, mac_add, 6, &pos); break; } } if (index == array_size) { PRINT_ER("random MAC\n"); } exit: if (fp && !IS_ERR(fp)) { filp_close(fp, NULL); } set_fs(old_fs); return ret; } #endif #ifdef COMPLEMENT_BOOT extern volatile int probe; extern uint8_t core_11b_ready(void); #define READY_CHECK_THRESHOLD 30 extern void wilc_wlan_global_reset(void); uint8_t wilc1000_prepare_11b_core(wilc_wlan_inp_t *nwi, wilc_wlan_oup_t *nwo, linux_wlan_t *nic) { uint8_t trials = 0; while ((core_11b_ready() && (READY_CHECK_THRESHOLD > (trials++)))) { PRINT_D(INIT_DBG, "11b core not ready yet: %u\n", trials); wilc_wlan_deinit(nic); wilc_wlan_global_reset(); sdio_unregister_driver(&wilc_bus); linux_wlan_device_detection(0); mdelay(100); linux_wlan_device_detection(1); sdio_register_driver(&wilc_bus); while (!probe) { msleep(100); } probe = 0; g_linux_wlan->wilc_sdio_func = local_sdio_func; linux_to_wlan(nwi, nic); wilc_wlan_init(nwi, nwo); } if (READY_CHECK_THRESHOLD <= trials) return 1; else return 0; } int repeat_power_cycle(perInterface_wlan_t *nic) { int ret = 0; wilc_wlan_inp_t nwi; wilc_wlan_oup_t nwo; sdio_unregister_driver(&wilc_bus); linux_wlan_device_detection(0); linux_wlan_device_power(0); msleep(100); linux_wlan_device_power(1); msleep(80); linux_wlan_device_detection(1); msleep(20); sdio_register_driver(&wilc_bus); /* msleep(1000); */ while (!probe) { msleep(100); } probe = 0; g_linux_wlan->wilc_sdio_func = local_sdio_func; linux_to_wlan(&nwi, g_linux_wlan); ret = wilc_wlan_init(&nwi, &nwo); g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT; #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO) enable_sdio_interrupt(); #endif if (linux_wlan_get_firmware(nic)) { PRINT_ER("Can't get firmware \n"); ret = -1; goto __fail__; } /*Download firmware*/ ret = linux_wlan_firmware_download(g_linux_wlan); if (ret < 0) { PRINT_ER("Failed to download firmware\n"); goto __fail__; } /* Start firmware*/ ret = linux_wlan_start_firmware(nic); if (ret < 0) { PRINT_ER("Failed to start firmware\n"); } __fail__: return ret; } #endif int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic) { wilc_wlan_inp_t nwi; wilc_wlan_oup_t nwo; perInterface_wlan_t *nic = p_nic; int ret = 0; if (!g_linux_wlan->wilc1000_initialized) { g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT; g_linux_wlan->close = 0; g_linux_wlan->wilc1000_initialized = 0; wlan_init_locks(g_linux_wlan); #ifdef STATIC_MACADDRESS wilc_mac_thread = kthread_run(linux_wlan_read_mac_addr, NULL, "wilc_mac_thread"); if (wilc_mac_thread < 0) { PRINT_ER("couldn't create Mac addr thread\n"); } #endif linux_to_wlan(&nwi, g_linux_wlan); ret = wilc_wlan_init(&nwi, &nwo); if (ret < 0) { PRINT_ER("Initializing WILC_Wlan FAILED\n"); ret = -EIO; goto _fail_locks_; } memcpy(&g_linux_wlan->oup, &nwo, sizeof(wilc_wlan_oup_t)); /*Save the oup structre into global pointer*/ gpstrWlanOps = &g_linux_wlan->oup; ret = wlan_initialize_threads(nic); if (ret < 0) { PRINT_ER("Initializing Threads FAILED\n"); ret = -EIO; goto _fail_wilc_wlan_; } #if (defined WILC_SDIO) && (defined COMPLEMENT_BOOT) if (wilc1000_prepare_11b_core(&nwi, &nwo, g_linux_wlan)) { PRINT_ER("11b Core is not ready\n"); ret = -EIO; goto _fail_threads_; } #endif #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO) if (init_irq(g_linux_wlan)) { PRINT_ER("couldn't initialize IRQ\n"); ret = -EIO; goto _fail_threads_; } #endif #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO) if (enable_sdio_interrupt()) { PRINT_ER("couldn't initialize IRQ\n"); ret = -EIO; goto _fail_irq_init_; } #endif if (linux_wlan_get_firmware(nic)) { PRINT_ER("Can't get firmware \n"); ret = -EIO; goto _fail_irq_enable_; } /*Download firmware*/ ret = linux_wlan_firmware_download(g_linux_wlan); if (ret < 0) { PRINT_ER("Failed to download firmware\n"); ret = -EIO; goto _fail_irq_enable_; } /* Start firmware*/ ret = linux_wlan_start_firmware(nic); if (ret < 0) { PRINT_ER("Failed to start firmware\n"); ret = -EIO; goto _fail_irq_enable_; } wilc_bus_set_max_speed(); if (g_linux_wlan->oup.wlan_cfg_get(1, WID_FIRMWARE_VERSION, 1, 0)) { int size; char Firmware_ver[20]; size = g_linux_wlan->oup.wlan_cfg_get_value( WID_FIRMWARE_VERSION, Firmware_ver, sizeof(Firmware_ver)); Firmware_ver[size] = '\0'; PRINT_D(INIT_DBG, "***** Firmware Ver = %s *******\n", Firmware_ver); } /* Initialize firmware with default configuration */ ret = linux_wlan_init_test_config(dev, g_linux_wlan); if (ret < 0) { PRINT_ER("Failed to configure firmware\n"); ret = -EIO; goto _fail_fw_start_; } g_linux_wlan->wilc1000_initialized = 1; return 0; /*success*/ _fail_fw_start_: if (&g_linux_wlan->oup != NULL) { if (g_linux_wlan->oup.wlan_stop != NULL) g_linux_wlan->oup.wlan_stop(); } _fail_irq_enable_: #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO) disable_sdio_interrupt(); _fail_irq_init_: #endif #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO) deinit_irq(g_linux_wlan); #endif _fail_threads_: wlan_deinitialize_threads(g_linux_wlan); _fail_wilc_wlan_: wilc_wlan_deinit(g_linux_wlan); _fail_locks_: wlan_deinit_locks(g_linux_wlan); PRINT_ER("WLAN Iinitialization FAILED\n"); } else { PRINT_D(INIT_DBG, "wilc1000 already initialized\n"); } return ret; } /* * - this function will be called automatically by OS when module inserted. */ #if !defined (NM73131_0_BOARD) int mac_init_fn(struct net_device *ndev) { /*Why we do this !!!*/ netif_start_queue(ndev); /* ma */ netif_stop_queue(ndev); /* ma */ return 0; } #else int mac_init_fn(struct net_device *ndev) { unsigned char mac_add[] = {0x00, 0x50, 0xc2, 0x5e, 0x10, 0x00}; /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/ memcpy(ndev->dev_addr, mac_add, 6); if (!is_valid_ether_addr(ndev->dev_addr)) { PRINT_ER("Error: Wrong MAC address\n"); return -EINVAL; } return 0; } #endif void WILC_WFI_frame_register(struct wiphy *wiphy, struct net_device *dev, u16 frame_type, bool reg); /* This fn is called, when this device is setup using ifconfig */ #if !defined (NM73131_0_BOARD) int mac_open(struct net_device *ndev) { perInterface_wlan_t *nic; /*BugID_5213*/ /*No need for setting mac address here anymore,*/ /*Just set it in init_test_config()*/ unsigned char mac_add[ETH_ALEN] = {0}; int ret = 0; int i = 0; struct WILC_WFI_priv *priv; nic = netdev_priv(ndev); priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy); PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev); #ifdef USE_WIRELESS ret = WILC_WFI_InitHostInt(ndev); if (ret < 0) { PRINT_ER("Failed to initialize host interface\n"); return ret; } #endif /*initialize platform*/ PRINT_D(INIT_DBG, "*** re-init ***\n"); ret = wilc1000_wlan_init(ndev, nic); if (ret < 0) { PRINT_ER("Failed to initialize wilc1000\n"); WILC_WFI_DeInitHostInt(ndev); return ret; } Set_machw_change_vir_if(false); host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add); PRINT_D(INIT_DBG, "Mac address: %x:%x:%x:%x:%x:%x\n", mac_add[0], mac_add[1], mac_add[2], mac_add[3], mac_add[4], mac_add[5]); /* loop through the NUM of supported devices and set the MAC address */ for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) { if (ndev == g_linux_wlan->strInterfaceInfo[i].wilc_netdev) { memcpy(g_linux_wlan->strInterfaceInfo[i].aSrcAddress, mac_add, ETH_ALEN); g_linux_wlan->strInterfaceInfo[i].drvHandler = (u32)priv->hWILCWFIDrv; break; } } /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/ memcpy(ndev->dev_addr, g_linux_wlan->strInterfaceInfo[i].aSrcAddress, ETH_ALEN); if (!is_valid_ether_addr(ndev->dev_addr)) { PRINT_ER("Error: Wrong MAC address\n"); ret = -EINVAL; goto _err_; } WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev, nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg); WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev, nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg); netif_wake_queue(ndev); g_linux_wlan->open_ifcs++; nic->mac_opened = 1; return 0; _err_: WILC_WFI_DeInitHostInt(ndev); wilc1000_wlan_deinit(g_linux_wlan); return ret; } #else int mac_open(struct net_device *ndev) { linux_wlan_t *nic; nic = netdev_priv(ndev); /*initialize platform*/ if (wilc1000_wlan_init(nic)) { PRINT_ER("Failed to initialize platform\n"); return 1; } /* Start the network interface queue for this device */ PRINT_D(INIT_DBG, "Starting netifQ\n"); netif_start_queue(ndev); /* linux_wlan_lock(&close_exit_sync); */ return 0; } #endif struct net_device_stats *mac_stats(struct net_device *dev) { perInterface_wlan_t *nic = netdev_priv(dev); return &nic->netstats; } /* Setup the multicast filter */ static void wilc_set_multicast_list(struct net_device *dev) { struct netdev_hw_addr *ha; struct WILC_WFI_priv *priv; tstrWILC_WFIDrv *pstrWFIDrv; int i = 0; priv = wiphy_priv(dev->ieee80211_ptr->wiphy); pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv; if (!dev) return; PRINT_D(INIT_DBG, "Setting Multicast List with count = %d. \n", dev->mc.count); if (dev->flags & IFF_PROMISC) { /* Normally, we should configure the chip to retrive all packets * but we don't wanna support this right now */ /* TODO: add promiscuous mode support */ PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets \n"); return; } /* If there's more addresses than we handle, get all multicast * packets and sort them out in software. */ if ((dev->flags & IFF_ALLMULTI) || (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) { PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n"); /* get all multicast packets */ host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, false, 0); return; } /* No multicast? Just get our own stuff */ if ((dev->mc.count) == 0) { PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n"); host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, true, 0); return; } /* Store all of the multicast addresses in the hardware filter */ netdev_for_each_mc_addr(ha, dev) { WILC_memcpy(gau8MulticastMacAddrList[i], ha->addr, ETH_ALEN); PRINT_D(INIT_DBG, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i, gau8MulticastMacAddrList[i][0], gau8MulticastMacAddrList[i][1], gau8MulticastMacAddrList[i][2], gau8MulticastMacAddrList[i][3], gau8MulticastMacAddrList[i][4], gau8MulticastMacAddrList[i][5]); i++; } host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, true, (dev->mc.count)); return; } static void linux_wlan_tx_complete(void *priv, int status) { struct tx_complete_data *pv_data = (struct tx_complete_data *)priv; if (status == 1) { PRINT_D(TX_DBG, "Packet sent successfully - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb); } else { PRINT_D(TX_DBG, "Couldn't send packet - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb); } /* Free the SK Buffer, its work is done */ dev_kfree_skb(pv_data->skb); linux_wlan_free(pv_data); } int mac_xmit(struct sk_buff *skb, struct net_device *ndev) { perInterface_wlan_t *nic; struct tx_complete_data *tx_data = NULL; int QueueCount; char *pu8UdpBuffer; struct iphdr *ih; struct ethhdr *eth_h; nic = netdev_priv(ndev); PRINT_D(INT_DBG, "\n========\n IntUH: %d - IntBH: %d - IntCld: %d \n========\n", int_rcvdU, int_rcvdB, int_clrd); PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n"); /* Stop the network interface queue */ if (skb->dev != ndev) { PRINT_ER("Packet not destined to this device\n"); return 0; } tx_data = (struct tx_complete_data *)internal_alloc(sizeof(struct tx_complete_data), GFP_ATOMIC); if (tx_data == NULL) { PRINT_ER("Failed to allocate memory for tx_data structure\n"); dev_kfree_skb(skb); netif_wake_queue(ndev); return 0; } tx_data->buff = skb->data; tx_data->size = skb->len; tx_data->skb = skb; eth_h = (struct ethhdr *)(skb->data); if (eth_h->h_proto == 0x8e88) { PRINT_D(INIT_DBG, "EAPOL transmitted\n"); } /*get source and dest ip addresses*/ ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr)); pu8UdpBuffer = (char *)ih + sizeof(struct iphdr); if ((pu8UdpBuffer[1] == 68 && pu8UdpBuffer[3] == 67) || (pu8UdpBuffer[1] == 67 && pu8UdpBuffer[3] == 68)) { PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n", pu8UdpBuffer[248], pu8UdpBuffer[249], pu8UdpBuffer[250]); } PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb); /* Send packet to MAC HW - for now the tx_complete function will be just status * indicator. still not sure if I need to suspend host transmission till the tx_complete * function called or not? * allocated buffer will be freed in tx_complete function. */ PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n"); nic->netstats.tx_packets++; nic->netstats.tx_bytes += tx_data->size; tx_data->pBssid = g_linux_wlan->strInterfaceInfo[nic->u8IfIdx].aBSSID; #ifndef WILC_FULLY_HOSTING_AP QueueCount = g_linux_wlan->oup.wlan_add_to_tx_que((void *)tx_data, tx_data->buff, tx_data->size, linux_wlan_tx_complete); #else QueueCount = WILC_Xmit_data((void *)tx_data, HOST_TO_WLAN); #endif /* WILC_FULLY_HOSTING_AP */ if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) { netif_stop_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev); netif_stop_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev); } return 0; } int mac_close(struct net_device *ndev) { struct WILC_WFI_priv *priv; perInterface_wlan_t *nic; tstrWILC_WFIDrv *pstrWFIDrv; nic = netdev_priv(ndev); if ((nic == NULL) || (nic->wilc_netdev == NULL) || (nic->wilc_netdev->ieee80211_ptr == NULL) || (nic->wilc_netdev->ieee80211_ptr->wiphy == NULL)) { PRINT_ER("nic = NULL\n"); return 0; } priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy); if (priv == NULL) { PRINT_ER("priv = NULL\n"); return 0; } pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv; PRINT_D(GENERIC_DBG, "Mac close\n"); if (g_linux_wlan == NULL) { PRINT_ER("g_linux_wlan = NULL\n"); return 0; } if (pstrWFIDrv == NULL) { PRINT_ER("pstrWFIDrv = NULL\n"); return 0; } if ((g_linux_wlan->open_ifcs) > 0) { g_linux_wlan->open_ifcs--; } else { PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n"); return 0; } if (nic->wilc_netdev != NULL) { /* Stop the network interface queue */ netif_stop_queue(nic->wilc_netdev); #ifdef USE_WIRELESS WILC_WFI_DeInitHostInt(nic->wilc_netdev); #endif } if (g_linux_wlan->open_ifcs == 0) { PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n"); g_linux_wlan->close = 1; wilc1000_wlan_deinit(g_linux_wlan); #ifdef USE_WIRELESS #ifdef WILC_AP_EXTERNAL_MLME WILC_WFI_deinit_mon_interface(); #endif #endif } linux_wlan_unlock(&close_exit_sync); nic->mac_opened = 0; return 0; } int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd) { u8 *buff = NULL; s8 rssi; u32 size = 0, length = 0; perInterface_wlan_t *nic; struct WILC_WFI_priv *priv; s32 s32Error = WILC_SUCCESS; /* struct iwreq *wrq = (struct iwreq *) req; // tony moved to case SIOCSIWPRIV */ #ifdef USE_WIRELESS nic = netdev_priv(ndev); if (!g_linux_wlan->wilc1000_initialized) return 0; #endif switch (cmd) { /* ]] 2013-06-24 */ case SIOCSIWPRIV: { struct iwreq *wrq = (struct iwreq *) req; /* added by tony */ size = wrq->u.data.length; if (size && wrq->u.data.pointer) { buff = memdup_user(wrq->u.data.pointer, wrq->u.data.length); if (IS_ERR(buff)) { s32Error = PTR_ERR(buff); goto done; } if (strncasecmp(buff, "RSSI", length) == 0) { #ifdef USE_WIRELESS priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy); s32Error = host_int_get_rssi(priv->hWILCWFIDrv, &(rssi)); if (s32Error) PRINT_ER("Failed to send get rssi param's message queue "); #endif PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi); /*Rounding up the rssi negative value*/ rssi += 5; snprintf(buff, size, "rssi %d", rssi); if (copy_to_user(wrq->u.data.pointer, buff, size)) { PRINT_ER("%s: failed to copy data to user buffer\n", __func__); s32Error = -EFAULT; goto done; } } } } break; default: { PRINT_INFO(GENERIC_DBG, "Command - %d - has been received\n", cmd); s32Error = -EOPNOTSUPP; goto done; } } done: if (buff != NULL) { kfree(buff); } return s32Error; } void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset) { unsigned int frame_len = 0; int stats; unsigned char *buff_to_send = NULL; struct sk_buff *skb; #ifndef TCP_ENHANCEMENTS char *pu8UdpBuffer; struct iphdr *ih; #endif struct net_device *wilc_netdev; perInterface_wlan_t *nic; wilc_netdev = GetIfHandler(buff); if (wilc_netdev == NULL) return; buff += pkt_offset; nic = netdev_priv(wilc_netdev); if (size > 0) { frame_len = size; buff_to_send = buff; /* Need to send the packet up to the host, allocate a skb buffer */ skb = dev_alloc_skb(frame_len); if (skb == NULL) { PRINT_ER("Low memory - packet droped\n"); return; } skb_reserve(skb, (unsigned int)skb->data & 0x3); if (g_linux_wlan == NULL || wilc_netdev == NULL) { PRINT_ER("wilc_netdev in g_linux_wlan is NULL"); } skb->dev = wilc_netdev; if (skb->dev == NULL) { PRINT_ER("skb->dev is NULL\n"); } /* * for(i=0;i<40;i++) * { * if(imonitor_flag) * { * WILC_WFI_monitor_rx(nic->wilc_netdev,skb); * return; * }*/ #endif skb->protocol = eth_type_trans(skb, wilc_netdev); #ifndef TCP_ENHANCEMENTS /*get source and dest ip addresses*/ ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr)); pu8UdpBuffer = (char *)ih + sizeof(struct iphdr); if (buff_to_send[35] == 67 && buff_to_send[37] == 68) { PRINT_D(RX_DBG, "DHCP Message received\n"); } if (buff_to_send[12] == 0x88 && buff_to_send[13] == 0x8e) PRINT_D(GENERIC_DBG, "eapol received\n"); #endif /* Send the packet to the stack by giving it to the bridge */ nic->netstats.rx_packets++; nic->netstats.rx_bytes += frame_len; skb->ip_summed = CHECKSUM_UNNECESSARY; stats = netif_rx(skb); PRINT_D(RX_DBG, "netif_rx ret value is: %d\n", stats); } #ifndef TCP_ENHANCEMENTS else { PRINT_ER("Discard sending packet with len = %d\n", size); } #endif } void WILC_WFI_mgmt_rx(uint8_t *buff, uint32_t size) { int i = 0; perInterface_wlan_t *nic; /*BugID_5450*/ /*Pass the frame on the monitor interface, if any.*/ /*Otherwise, pass it on p2p0 netdev, if registered on it*/ for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) { nic = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev); if (nic->monitor_flag) { WILC_WFI_monitor_rx(buff, size); return; } } #ifdef WILC_P2P nic = netdev_priv(g_linux_wlan->strInterfaceInfo[1].wilc_netdev); /* p2p0 */ if ((buff[0] == nic->g_struct_frame_reg[0].frame_type && nic->g_struct_frame_reg[0].reg) || (buff[0] == nic->g_struct_frame_reg[1].frame_type && nic->g_struct_frame_reg[1].reg)) { WILC_WFI_p2p_rx(g_linux_wlan->strInterfaceInfo[1].wilc_netdev, buff, size); } #endif } int wilc_netdev_init(void) { int i; perInterface_wlan_t *nic; struct net_device *ndev; linux_wlan_init_lock("close_exit_sync", &close_exit_sync, 0); /*create the common structure*/ g_linux_wlan = (linux_wlan_t *)WILC_MALLOC(sizeof(linux_wlan_t)); memset(g_linux_wlan, 0, sizeof(linux_wlan_t)); /*Reset interrupt count debug*/ int_rcvdU = 0; int_rcvdB = 0; int_clrd = 0; #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP register_inetaddr_notifier(&g_dev_notifier); #endif for (i = 0; i < NUM_CONCURRENT_IFC; i++) { /*allocate first ethernet device with perinterface_wlan_t as its private data*/ ndev = alloc_etherdev(sizeof(perInterface_wlan_t)); if (!ndev) { PRINT_ER("Failed to allocate ethernet dev\n"); return -1; } nic = netdev_priv(ndev); memset(nic, 0, sizeof(perInterface_wlan_t)); /*Name the Devices*/ if (i == 0) { #if defined(NM73131) /* tony, 2012-09-20 */ strcpy(ndev->name, "wilc_eth%d"); #elif defined(PLAT_CLM9722) /* rachel */ strcpy(ndev->name, "eth%d"); #else /* PANDA_BOARD, PLAT_ALLWINNER_A10, PLAT_ALLWINNER_A20, PLAT_ALLWINNER_A31, PLAT_AML8726_M3 or PLAT_WMS8304 */ strcpy(ndev->name, "wlan%d"); #endif } else strcpy(ndev->name, "p2p%d"); nic->u8IfIdx = g_linux_wlan->u8NoIfcs; nic->wilc_netdev = ndev; g_linux_wlan->strInterfaceInfo[g_linux_wlan->u8NoIfcs].wilc_netdev = ndev; g_linux_wlan->u8NoIfcs++; ndev->netdev_ops = &wilc_netdev_ops; #ifdef USE_WIRELESS { struct wireless_dev *wdev; /*Register WiFi*/ wdev = WILC_WFI_WiphyRegister(ndev); #ifdef WILC_SDIO /* set netdev, tony */ SET_NETDEV_DEV(ndev, &local_sdio_func->dev); #endif if (wdev == NULL) { PRINT_ER("Can't register WILC Wiphy\n"); return -1; } /*linking the wireless_dev structure with the netdevice*/ nic->wilc_netdev->ieee80211_ptr = wdev; nic->wilc_netdev->ml_priv = nic; wdev->netdev = nic->wilc_netdev; nic->netstats.rx_packets = 0; nic->netstats.tx_packets = 0; nic->netstats.rx_bytes = 0; nic->netstats.tx_bytes = 0; } #endif if (register_netdev(ndev)) { PRINT_ER("Device couldn't be registered - %s\n", ndev->name); return -1; /* ERROR */ } nic->iftype = STATION_MODE; nic->mac_opened = 0; } #ifndef WILC_SDIO if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) { PRINT_ER("Can't initialize SPI \n"); return -1; /* ERROR */ } g_linux_wlan->wilc_spidev = wilc_spi_dev; #else g_linux_wlan->wilc_sdio_func = local_sdio_func; #endif return 0; } /*The 1st function called after module inserted*/ static int __init init_wilc_driver(void) { #if defined (WILC_DEBUGFS) if (wilc_debugfs_init() < 0) { PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n"); return -1; } #endif printk("IN INIT FUNCTION\n"); printk("*** WILC1000 driver VERSION=[10.2] FW_VER=[10.2] ***\n"); linux_wlan_device_power(1); msleep(100); linux_wlan_device_detection(1); #ifdef WILC_SDIO { int ret; ret = sdio_register_driver(&wilc_bus); if (ret < 0) { PRINT_D(INIT_DBG, "init_wilc_driver: Failed register sdio driver\n"); } return ret; } #else PRINT_D(INIT_DBG, "Initializing netdev\n"); if (wilc_netdev_init()) { PRINT_ER("Couldn't initialize netdev\n"); } return 0; #endif } late_initcall(init_wilc_driver); static void __exit exit_wilc_driver(void) { int i = 0; perInterface_wlan_t *nic[NUM_CONCURRENT_IFC] = {NULL,}; #define CLOSE_TIMEOUT (12 * 1000) if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL) || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) { #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP unregister_inetaddr_notifier(&g_dev_notifier); #endif for (i = 0; i < NUM_CONCURRENT_IFC; i++) { nic[i] = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev); } } if ((g_linux_wlan != NULL) && g_linux_wlan->wilc_firmware != NULL) { release_firmware(g_linux_wlan->wilc_firmware); g_linux_wlan->wilc_firmware = NULL; } if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL) || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) { PRINT_D(INIT_DBG, "Waiting for mac_close ....\n"); if (linux_wlan_lock_timeout(&close_exit_sync, CLOSE_TIMEOUT) < 0) PRINT_D(INIT_DBG, "Closed TimedOUT\n"); else PRINT_D(INIT_DBG, "mac_closed\n"); for (i = 0; i < NUM_CONCURRENT_IFC; i++) { /* close all opened interfaces */ if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev != NULL) { if (nic[i]->mac_opened) { mac_close(g_linux_wlan->strInterfaceInfo[i].wilc_netdev); } } } for (i = 0; i < NUM_CONCURRENT_IFC; i++) { PRINT_D(INIT_DBG, "Unregistering netdev %p \n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev); unregister_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev); #ifdef USE_WIRELESS PRINT_D(INIT_DBG, "Freeing Wiphy...\n"); WILC_WFI_WiphyFree(g_linux_wlan->strInterfaceInfo[i].wilc_netdev); #endif PRINT_D(INIT_DBG, "Freeing netdev...\n"); free_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev); } } #ifdef USE_WIRELESS #ifdef WILC_AP_EXTERNAL_MLME /* Bug 4600 : WILC_WFI_deinit_mon_interface was already called at mac_close */ /* WILC_WFI_deinit_mon_interface(); */ #endif #endif /* if(g_linux_wlan->open_ifcs==0) */ { #ifndef WILC_SDIO PRINT_D(INIT_DBG, "SPI unregsiter...\n"); spi_unregister_driver(&wilc_bus); #else PRINT_D(INIT_DBG, "SDIO unregsiter...\n"); sdio_unregister_driver(&wilc_bus); #endif linux_wlan_deinit_lock(&close_exit_sync); if (g_linux_wlan != NULL) { WILC_FREE(g_linux_wlan); g_linux_wlan = NULL; } printk("Module_exit Done.\n"); #if defined (WILC_DEBUGFS) wilc_debugfs_remove(); #endif linux_wlan_device_detection(0); linux_wlan_device_power(0); } } module_exit(exit_wilc_driver); MODULE_LICENSE("GPL"); #endif