diff options
Diffstat (limited to 'drivers/staging/wilc1000/linux_wlan.c')
| -rw-r--r-- | drivers/staging/wilc1000/linux_wlan.c | 2783 |
1 files changed, 2783 insertions, 0 deletions
diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c new file mode 100644 index 000000000000..b352c504a77d --- /dev/null +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -0,0 +1,2783 @@ +#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 <linux/slab.h> +#include <linux/sched.h> +#include <linux/delay.h> +#include <linux/workqueue.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/gpio.h> + +#include <linux/kthread.h> +#include <linux/firmware.h> +#include <linux/delay.h> + +#include <linux/init.h> +#include <linux/netdevice.h> +#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP +#include <linux/inetdevice.h> +#endif +#include <linux/etherdevice.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/skbuff.h> + +#include <linux/version.h> +#include <linux/semaphore.h> + +#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 <linux/vmalloc.h> +#include <linux/fs.h> +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(i<frame_len) + * WILC_PRINTF("buff_to_send[%d]=%2x\n",i,buff_to_send[i]); + * + * }*/ + + /* skb_put(skb, frame_len); */ + memcpy(skb_put(skb, frame_len), buff_to_send, frame_len); + + /* WILC_PRINTF("After MEM_CPY\n"); */ + + /* nic = netdev_priv(wilc_netdev); */ + +#ifdef USE_WIRELESS + /* if(nic->monitor_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 |