| #include "wilc_wfi_cfgoperations.h" |
| #include "linux_wlan_common.h" |
| #include "wilc_wlan_if.h" |
| #include "wilc_wlan.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> |
| #include <linux/inetdevice.h> |
| #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 |
| |
| #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 |
| |
| extern bool g_obtainingIP; |
| extern void resolve_disconnect_aberration(void *drvHandler); |
| extern u8 gau8MulticastMacAddrList[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN]; |
| extern struct timer_list hDuringIpTimer; |
| |
| 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; |
| } |
| |
| 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 |
| }; |
| |
| #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; |
| |
| static int wlan_deinit_locks(struct net_device *dev); |
| static void wlan_deinitialize_threads(struct net_device *dev); |
| extern void WILC_WFI_monitor_rx(u8 *buff, u32 size); |
| extern void WILC_WFI_p2p_rx(struct net_device *dev, u8 *buff, u32 size); |
| |
| static void linux_wlan_tx_complete(void *priv, int status); |
| 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 |
| */ |
| struct wilc *g_linux_wlan; |
| 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, |
| |
| }; |
| |
| 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_priv *priv; |
| struct host_if_drv *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 = (struct host_if_drv *)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; |
| del_timer(&hDuringIpTimer); |
| PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n"); |
| } |
| |
| if (bEnablePS) |
| host_int_set_power_mgmt(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(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(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(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; |
| |
| } |
| |
| #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) |
| static irqreturn_t isr_uh_routine(int irq, void *user_data) |
| { |
| perInterface_wlan_t *nic; |
| struct wilc *wilc; |
| struct net_device *dev = (struct net_device *)user_data; |
| |
| nic = netdev_priv(dev); |
| wilc = nic->wilc; |
| PRINT_D(INT_DBG, "Interrupt received UH\n"); |
| |
| /*While mac is closing cacncel the handling of any interrupts received*/ |
| if (wilc->close) { |
| PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n"); |
| return IRQ_HANDLED; |
| } |
| return IRQ_WAKE_THREAD; |
| } |
| #endif |
| |
| irqreturn_t isr_bh_routine(int irq, void *userdata) |
| { |
| perInterface_wlan_t *nic; |
| struct wilc *wilc; |
| |
| nic = netdev_priv(userdata); |
| wilc = nic->wilc; |
| |
| /*While mac is closing cacncel the handling of any interrupts received*/ |
| if (wilc->close) { |
| PRINT_ER("Driver is CLOSING: Can't handle BH interrupt\n"); |
| return IRQ_HANDLED; |
| } |
| |
| PRINT_D(INT_DBG, "Interrupt received BH\n"); |
| wilc_handle_isr(wilc); |
| |
| return IRQ_HANDLED; |
| } |
| |
| #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) |
| static int init_irq(struct net_device *dev) |
| { |
| int ret = 0; |
| perInterface_wlan_t *nic; |
| struct wilc *wl; |
| |
| nic = netdev_priv(dev); |
| wl = nic->wilc; |
| |
| /*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); |
| */ |
| #else |
| wl->dev_irq_num = gpio_to_irq(GPIO_NUM); |
| #endif |
| } else { |
| ret = -1; |
| PRINT_ER("could not obtain gpio for WILC_INTR\n"); |
| } |
| |
| if ((ret != -1) && (request_threaded_irq(wl->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", dev)) < 0) { |
| |
| 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", |
| wl->dev_irq_num, GPIO_NUM); |
| } |
| |
| return ret; |
| } |
| #endif |
| |
| static void deinit_irq(struct net_device *dev) |
| { |
| perInterface_wlan_t *nic; |
| struct wilc *wilc; |
| |
| nic = netdev_priv(dev); |
| wilc = nic->wilc; |
| |
| #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) |
| /* Deintialize IRQ */ |
| if (&wilc->dev_irq_num != 0) { |
| free_irq(wilc->dev_irq_num, wilc); |
| |
| gpio_free(GPIO_NUM); |
| } |
| #endif |
| } |
| |
| /* |
| * OS functions |
| */ |
| void linux_wlan_dbg(u8 *buff) |
| { |
| PRINT_D(INIT_DBG, "%d\n", *buff); |
| } |
| |
| 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_mac_indicate(struct wilc *wilc, int flag) |
| { |
| /*I have to do it that way becuase there is no mean to encapsulate device pointer |
| * as a parameter |
| */ |
| int status; |
| |
| if (flag == WILC_MAC_INDICATE_STATUS) { |
| wilc_wlan_cfg_get_val(WID_STATUS, (unsigned char *)&status, 4); |
| if (wilc->mac_status == WILC_MAC_STATUS_INIT) { |
| wilc->mac_status = status; |
| up(&wilc->sync_event); |
| } else { |
| wilc->mac_status = status; |
| } |
| |
| if (wilc->mac_status == WILC_MAC_STATUS_CONNECT) { /* Connect */ |
| } |
| |
| } else if (flag == WILC_MAC_INDICATE_SCAN) { |
| PRINT_D(GENERIC_DBG, "Scanning ...\n"); |
| |
| } |
| |
| } |
| |
| struct net_device *GetIfHandler(struct wilc *wilc, u8 *pMacHeader) |
| { |
| u8 *Bssid, *Bssid1; |
| int i = 0; |
| |
| Bssid = pMacHeader + 10; |
| Bssid1 = pMacHeader + 4; |
| |
| for (i = 0; i < wilc->vif_num; i++) |
| if (!memcmp(Bssid1, wilc->vif[i].bssid, ETH_ALEN) || |
| !memcmp(Bssid, wilc->vif[i].bssid, ETH_ALEN)) |
| return wilc->vif[i].ndev; |
| |
| 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 < wilc->vif_num; i++) |
| if (!memcmp(Bssid1, wilc->vif[i].bssid, ETH_ALEN) || |
| !memcmp(Bssid, wilc->vif[i].bssid, ETH_ALEN)) |
| return wilc->vif[i].ndev; |
| |
| PRINT_INFO(INIT_DBG, "\n"); |
| return NULL; |
| } |
| |
| int linux_wlan_set_bssid(struct net_device *wilc_netdev, u8 *pBSSID) |
| { |
| int i = 0; |
| int ret = -1; |
| perInterface_wlan_t *nic; |
| struct wilc *wilc; |
| |
| nic = netdev_priv(wilc_netdev); |
| wilc = nic->wilc; |
| |
| for (i = 0; i < wilc->vif_num; i++) |
| if (wilc->vif[i].ndev == wilc_netdev) { |
| memcpy(wilc->vif[i].bssid, pBSSID, 6); |
| ret = 0; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| /*Function to get number of connected interfaces*/ |
| int linux_wlan_get_num_conn_ifcs(void) |
| { |
| u8 i = 0; |
| u8 null_bssid[6] = {0}; |
| u8 ret_val = 0; |
| |
| for (i = 0; i < g_linux_wlan->vif_num; i++) |
| if (memcmp(g_linux_wlan->vif[i].bssid, null_bssid, 6)) |
| ret_val++; |
| |
| return ret_val; |
| } |
| |
| #define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS |
| |
| static int linux_wlan_txq_task(void *vp) |
| { |
| int ret, txq_count; |
| perInterface_wlan_t *nic; |
| struct wilc *wl; |
| struct net_device *dev = vp; |
| #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; |
| #endif |
| |
| nic = netdev_priv(dev); |
| wl = nic->wilc; |
| |
| /* inform wilc1000_wlan_init that TXQ task is started. */ |
| up(&wl->txq_thread_started); |
| while (1) { |
| |
| PRINT_D(TX_DBG, "txq_task Taking a nap :)\n"); |
| down(&wl->txq_event); |
| /* wait_for_completion(&pd->txq_event); */ |
| PRINT_D(TX_DBG, "txq_task Who waked me up :$\n"); |
| |
| if (wl->close) { |
| /*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */ |
| up(&wl->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 |
| ret = wilc_wlan_handle_txq(dev, &txq_count); |
| #else |
| do { |
| ret = wilc_wlan_handle_txq(dev, &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(wl->vif[0].ndev)) |
| netif_wake_queue(wl->vif[0].ndev); |
| if (netif_queue_stopped(wl->vif[1].ndev)) |
| netif_wake_queue(wl->vif[1].ndev); |
| } |
| |
| if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */ |
| 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 && !wl->close); /* retry sending packets if no more buffers in chip. */ |
| #endif |
| } |
| return 0; |
| } |
| |
| 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; |
| |
| 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->firmware = wilc_firmware; |
| |
| _fail_: |
| |
| return ret; |
| |
| } |
| |
| static int linux_wlan_start_firmware(perInterface_wlan_t *nic) |
| { |
| |
| int ret = 0; |
| /* start firmware */ |
| PRINT_D(INIT_DBG, "Starting Firmware ...\n"); |
| ret = wilc_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) { |
| 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(struct wilc *p_nic) |
| { |
| |
| int ret = 0; |
| |
| if (!g_linux_wlan->firmware) { |
| PRINT_ER("Firmware buffer is NULL\n"); |
| ret = -ENOBUFS; |
| goto _FAIL_; |
| } |
| /** |
| * do the firmware download |
| **/ |
| PRINT_D(INIT_DBG, "Downloading Firmware ...\n"); |
| ret = wilc_wlan_firmware_download(g_linux_wlan->firmware->data, |
| g_linux_wlan->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->firmware); |
| |
| 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, struct wilc *p_nic) |
| { |
| |
| unsigned char c_val[64]; |
| unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff}; |
| |
| struct wilc_priv *priv; |
| struct host_if_drv *pstrWFIDrv; |
| |
| PRINT_D(TX_DBG, "Start configuring Firmware\n"); |
| get_random_bytes(&mac_add[5], 1); |
| get_random_bytes(&mac_add[4], 1); |
| priv = wiphy_priv(dev->ieee80211_ptr->wiphy); |
| pstrWFIDrv = (struct host_if_drv *)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); |
| |
| *(int *)c_val = 1; |
| |
| if (!wilc_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 (!wilc_wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = INFRASTRUCTURE; |
| if (!wilc_wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| /* c_val[0] = RATE_AUTO; */ |
| c_val[0] = RATE_AUTO; |
| if (!wilc_wlan_cfg_set(0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = G_MIXED_11B_2_MODE; |
| if (!wilc_wlan_cfg_set(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 1; |
| if (!wilc_wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = G_SHORT_PREAMBLE; |
| if (!wilc_wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = AUTO_PROT; |
| if (!wilc_wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = ACTIVE_SCAN; |
| if (!wilc_wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = SITE_SURVEY_OFF; |
| if (!wilc_wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| *((int *)c_val) = 0xffff; /* Never use RTS-CTS */ |
| if (!wilc_wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0)) |
| goto _fail_; |
| |
| *((int *)c_val) = 2346; |
| if (!wilc_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 ) */ |
| /* -------------------------------------------------------------- */ |
| c_val[0] = 0; |
| if (!wilc_wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 1; |
| if (!wilc_wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = NO_POWERSAVE; |
| if (!wilc_wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */ |
| if (!wilc_wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = OPEN_SYSTEM; |
| if (!wilc_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 (!wilc_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 (!wilc_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 (!wilc_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 (!wilc_wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 3; |
| if (!wilc_wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 3; |
| if (!wilc_wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = NORMAL_ACK; |
| if (!wilc_wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 0; |
| if (!wilc_wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 48; |
| if (!wilc_wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 28; |
| if (!wilc_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 (!wilc_wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = REKEY_DISABLE; |
| if (!wilc_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 (!wilc_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 (!wilc_wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 1; |
| if (!wilc_wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = G_SELF_CTS_PROT; |
| if (!wilc_wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 1; /* Enable N */ |
| if (!wilc_wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = HT_MIXED_MODE; |
| if (!wilc_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 (!wilc_wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| memcpy(c_val, mac_add, 6); |
| |
| if (!wilc_wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0)) |
| goto _fail_; |
| |
| /** |
| * AP only |
| **/ |
| c_val[0] = DETECT_PROTECT_REPORT; |
| if (!wilc_wlan_cfg_set(0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = RTS_CTS_NONHT_PROT; |
| if (!wilc_wlan_cfg_set(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 0; |
| if (!wilc_wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = MIMO_MODE; |
| if (!wilc_wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0)) |
| goto _fail_; |
| |
| c_val[0] = 7; |
| if (!wilc_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 (!wilc_wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, 1)) |
| goto _fail_; |
| |
| return 0; |
| |
| _fail_: |
| return -1; |
| } |
| |
| /**************************/ |
| void wilc1000_wlan_deinit(struct net_device *dev) |
| { |
| perInterface_wlan_t *nic; |
| struct wilc *wl; |
| |
| nic = netdev_priv(dev); |
| wl = nic->wilc; |
| |
| if (!wl) { |
| netdev_err(dev, "wl is NULL\n"); |
| return; |
| } |
| |
| if (wl->initialized) { |
| netdev_info(dev, "Deinitializing wilc1000...\n"); |
| |
| #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"); |
| #ifdef WILC_SDIO |
| mutex_lock(&wl->hif_cs); |
| disable_sdio_interrupt(); |
| mutex_unlock(&wl->hif_cs); |
| #endif |
| if (&wl->txq_event != NULL) |
| up(&wl->txq_event); |
| |
| PRINT_D(INIT_DBG, "Deinitializing Threads\n"); |
| wlan_deinitialize_threads(dev); |
| |
| PRINT_D(INIT_DBG, "Deinitializing IRQ\n"); |
| deinit_irq(dev); |
| |
| wilc_wlan_stop(); |
| |
| PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n"); |
| wilc_wlan_cleanup(dev); |
| #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"); |
| |
| mutex_lock(&wl->hif_cs); |
| disable_sdio_interrupt(); |
| mutex_unlock(&wl->hif_cs); |
| #endif |
| #endif |
| |
| /*De-Initialize locks*/ |
| PRINT_D(INIT_DBG, "Deinitializing Locks\n"); |
| wlan_deinit_locks(dev); |
| |
| /* announce that wilc1000 is not initialized */ |
| wl->initialized = false; |
| |
| PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n"); |
| |
| } else { |
| PRINT_D(INIT_DBG, "wilc1000 is not initialized\n"); |
| } |
| } |
| |
| int wlan_init_locks(struct net_device *dev) |
| { |
| perInterface_wlan_t *nic; |
| struct wilc *wl; |
| |
| nic = netdev_priv(dev); |
| wl = nic->wilc; |
| |
| PRINT_D(INIT_DBG, "Initializing Locks ...\n"); |
| |
| mutex_init(&wl->hif_cs); |
| mutex_init(&wl->rxq_cs); |
| |
| spin_lock_init(&wl->txq_spinlock); |
| sema_init(&wl->txq_add_to_head_cs, 1); |
| |
| sema_init(&wl->txq_event, 0); |
| |
| sema_init(&wl->cfg_event, 0); |
| sema_init(&wl->sync_event, 0); |
| |
| sema_init(&wl->txq_thread_started, 0); |
| |
| return 0; |
| } |
| |
| static int wlan_deinit_locks(struct net_device *dev) |
| { |
| perInterface_wlan_t *nic; |
| struct wilc *wilc; |
| |
| nic = netdev_priv(dev); |
| wilc = nic->wilc; |
| |
| PRINT_D(INIT_DBG, "De-Initializing Locks\n"); |
| |
| if (&wilc->hif_cs != NULL) |
| mutex_destroy(&wilc->hif_cs); |
| |
| if (&wilc->rxq_cs != NULL) |
| mutex_destroy(&wilc->rxq_cs); |
| |
| return 0; |
| } |
| void linux_to_wlan(wilc_wlan_inp_t *nwi, struct wilc *nic) |
| { |
| |
| PRINT_D(INIT_DBG, "Linux to Wlan services ...\n"); |
| |
| nwi->os_context.os_private = (void *)nic; |
| |
| #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 |
| } |
| |
| int wlan_initialize_threads(struct net_device *dev) |
| { |
| perInterface_wlan_t *nic; |
| struct wilc *wilc; |
| int ret = 0; |
| |
| nic = netdev_priv(dev); |
| wilc = nic->wilc; |
| |
| PRINT_D(INIT_DBG, "Initializing Threads ...\n"); |
| |
| /* create tx task */ |
| PRINT_D(INIT_DBG, "Creating kthread for transmission\n"); |
| wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev, |
| "K_TXQ_TASK"); |
| if (!wilc->txq_thread) { |
| PRINT_ER("couldn't create TXQ thread\n"); |
| ret = -ENOBUFS; |
| goto _fail_2; |
| } |
| /* wait for TXQ task to start. */ |
| down(&wilc->txq_thread_started); |
| |
| return 0; |
| |
| _fail_2: |
| /*De-Initialize 2nd thread*/ |
| wilc->close = 0; |
| return ret; |
| } |
| |
| static void wlan_deinitialize_threads(struct net_device *dev) |
| { |
| perInterface_wlan_t *nic; |
| struct wilc *wl; |
| |
| nic = netdev_priv(dev); |
| wl = nic->wilc; |
| |
| wl->close = 1; |
| PRINT_D(INIT_DBG, "Deinitializing Threads\n"); |
| |
| if (&wl->txq_event != NULL) |
| up(&wl->txq_event); |
| |
| if (wl->txq_thread != NULL) { |
| kthread_stop(wl->txq_thread); |
| wl->txq_thread = NULL; |
| } |
| } |
| |
| int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic) |
| { |
| wilc_wlan_inp_t nwi; |
| perInterface_wlan_t *nic = p_nic; |
| int ret = 0; |
| struct wilc *wl = nic->wilc; |
| |
| if (!wl->initialized) { |
| wl->mac_status = WILC_MAC_STATUS_INIT; |
| wl->close = 0; |
| |
| wlan_init_locks(dev); |
| |
| linux_to_wlan(&nwi, wl); |
| |
| ret = wilc_wlan_init(&nwi); |
| if (ret < 0) { |
| PRINT_ER("Initializing WILC_Wlan FAILED\n"); |
| ret = -EIO; |
| goto _fail_locks_; |
| } |
| |
| #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO) |
| if (init_irq(dev)) { |
| PRINT_ER("couldn't initialize IRQ\n"); |
| ret = -EIO; |
| goto _fail_locks_; |
| } |
| #endif |
| |
| ret = wlan_initialize_threads(dev); |
| if (ret < 0) { |
| PRINT_ER("Initializing Threads FAILED\n"); |
| ret = -EIO; |
| goto _fail_wilc_wlan_; |
| } |
| |
| #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(wl); |
| 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 (wilc_wlan_cfg_get(1, WID_FIRMWARE_VERSION, 1, 0)) { |
| int size; |
| char Firmware_ver[20]; |
| |
| size = wilc_wlan_cfg_get_val( |
| 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, wl); |
| |
| if (ret < 0) { |
| PRINT_ER("Failed to configure firmware\n"); |
| ret = -EIO; |
| goto _fail_fw_start_; |
| } |
| |
| wl->initialized = true; |
| return 0; /*success*/ |
| |
| _fail_fw_start_: |
| wilc_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(dev); |
| |
| #endif |
| wlan_deinitialize_threads(dev); |
| _fail_wilc_wlan_: |
| wilc_wlan_cleanup(dev); |
| _fail_locks_: |
| wlan_deinit_locks(dev); |
| 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. |
| */ |
| |
| int mac_init_fn(struct net_device *ndev) |
| { |
| |
| /*Why we do this !!!*/ |
| netif_start_queue(ndev); /* ma */ |
| netif_stop_queue(ndev); /* ma */ |
| |
| return 0; |
| } |
| |
| /* This fn is called, when this device is setup using ifconfig */ |
| int mac_open(struct net_device *ndev) |
| { |
| perInterface_wlan_t *nic; |
| |
| /*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_priv *priv; |
| struct wilc *wl; |
| |
| nic = netdev_priv(ndev); |
| wl = nic->wilc; |
| |
| #ifdef WILC_SPI |
| if (!wl|| !wl->wilc_spidev) { |
| netdev_err(ndev, "wilc1000: SPI device not ready\n"); |
| return -ENODEV; |
| } |
| #endif |
| nic = netdev_priv(ndev); |
| priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy); |
| PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev); |
| |
| ret = wilc_init_host_int(ndev); |
| if (ret < 0) { |
| PRINT_ER("Failed to initialize host interface\n"); |
| |
| return ret; |
| } |
| |
| /*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_deinit_host_int(ndev); |
| return ret; |
| } |
| |
| Set_machw_change_vir_if(ndev, false); |
| |
| host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add); |
| PRINT_D(INIT_DBG, "Mac address: %pM\n", mac_add); |
| |
| /* loop through the NUM of supported devices and set the MAC address */ |
| for (i = 0; i < wl->vif_num; i++) { |
| if (ndev == wl->vif[i].ndev) { |
| memcpy(wl->vif[i].src_addr, mac_add, ETH_ALEN); |
| wl->vif[i].hif_drv = priv->hWILCWFIDrv; |
| break; |
| } |
| } |
| |
| /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/ |
| memcpy(ndev->dev_addr, wl->vif[i].src_addr, ETH_ALEN); |
| |
| if (!is_valid_ether_addr(ndev->dev_addr)) { |
| PRINT_ER("Error: Wrong MAC address\n"); |
| ret = -EINVAL; |
| goto _err_; |
| } |
| |
| wilc_mgmt_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev->ieee80211_ptr, |
| nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg); |
| wilc_mgmt_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev->ieee80211_ptr, |
| nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg); |
| netif_wake_queue(ndev); |
| wl->open_ifcs++; |
| nic->mac_opened = 1; |
| return 0; |
| |
| _err_: |
| wilc_deinit_host_int(ndev); |
| wilc1000_wlan_deinit(ndev); |
| return ret; |
| } |
| |
| 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_priv *priv; |
| struct host_if_drv *pstrWFIDrv; |
| int i = 0; |
| |
| priv = wiphy_priv(dev->ieee80211_ptr->wiphy); |
| pstrWFIDrv = (struct host_if_drv *)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(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(pstrWFIDrv, true, 0); |
| return; |
| } |
| |
| /* Store all of the multicast addresses in the hardware filter */ |
| netdev_for_each_mc_addr(ha, dev) |
| { |
| 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(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); |
| kfree(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; |
| struct wilc *wilc; |
| |
| nic = netdev_priv(ndev); |
| wilc = nic->wilc; |
| |
| 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 = kmalloc(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 = wilc->vif[nic->u8IfIdx].bssid; |
| QueueCount = wilc_wlan_txq_add_net_pkt(ndev, (void *)tx_data, |
| tx_data->buff, tx_data->size, |
| linux_wlan_tx_complete); |
| |
| if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) { |
| netif_stop_queue(wilc->vif[0].ndev); |
| netif_stop_queue(wilc->vif[1].ndev); |
| } |
| |
| return 0; |
| } |
| |
| int mac_close(struct net_device *ndev) |
| { |
| struct wilc_priv *priv; |
| perInterface_wlan_t *nic; |
| struct host_if_drv *pstrWFIDrv; |
| struct wilc *wl; |
| |
| 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); |
| wl = nic->wilc; |
| |
| if (priv == NULL) { |
| PRINT_ER("priv = NULL\n"); |
| return 0; |
| } |
| |
| pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; |
| |
| PRINT_D(GENERIC_DBG, "Mac close\n"); |
| |
| if (!wl) { |
| PRINT_ER("wl = NULL\n"); |
| return 0; |
| } |
| |
| if (pstrWFIDrv == NULL) { |
| PRINT_ER("pstrWFIDrv = NULL\n"); |
| return 0; |
| } |
| |
| if ((wl->open_ifcs) > 0) { |
| wl->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); |
| |
| wilc_deinit_host_int(nic->wilc_netdev); |
| } |
| |
| if (wl->open_ifcs == 0) { |
| PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n"); |
| wl->close = 1; |
| wilc1000_wlan_deinit(ndev); |
| WILC_WFI_deinit_mon_interface(); |
| } |
| |
| up(&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_priv *priv; |
| s32 s32Error = 0; |
| struct wilc *wilc; |
| |
| /* struct iwreq *wrq = (struct iwreq *) req; // tony moved to case SIOCSIWPRIV */ |
| nic = netdev_priv(ndev); |
| wilc = nic->wilc; |
| |
| if (!wilc->initialized) |
| return 0; |
| |
| 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)) |
| return PTR_ERR(buff); |
| |
| if (strncasecmp(buff, "RSSI", length) == 0) { |
| 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 "); |
| 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: |
| |
| kfree(buff); |
| |
| return s32Error; |
| } |
| |
| void frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset) |
| { |
| |
| unsigned int frame_len = 0; |
| int stats; |
| unsigned char *buff_to_send = NULL; |
| struct sk_buff *skb; |
| struct net_device *wilc_netdev; |
| perInterface_wlan_t *nic; |
| |
| wilc_netdev = GetIfHandler(wilc, 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; |
| } |
| |
| if (wilc == NULL || wilc_netdev == NULL) |
| PRINT_ER("wilc_netdev in wilc 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); */ |
| |
| skb->protocol = eth_type_trans(skb, wilc_netdev); |
| /* 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); |
| } |
| } |
| |
| void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size) |
| { |
| int i = 0; |
| perInterface_wlan_t *nic; |
| |
| /*Pass the frame on the monitor interface, if any.*/ |
| /*Otherwise, pass it on p2p0 netdev, if registered on it*/ |
| for (i = 0; i < wilc->vif_num; i++) { |
| nic = netdev_priv(wilc->vif[i].ndev); |
| if (nic->monitor_flag) { |
| WILC_WFI_monitor_rx(buff, size); |
| return; |
| } |
| } |
| |
| nic = netdev_priv(wilc->vif[1].ndev); /* 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(wilc->vif[1].ndev, buff, size); |
| } |
| |
| void wl_wlan_cleanup(void) |
| { |
| int i = 0; |
| perInterface_wlan_t *nic[NUM_CONCURRENT_IFC]; |
| |
| if (g_linux_wlan && |
| (g_linux_wlan->vif[0].ndev || g_linux_wlan->vif[1].ndev)) { |
| unregister_inetaddr_notifier(&g_dev_notifier); |
| |
| for (i = 0; i < NUM_CONCURRENT_IFC; i++) |
| nic[i] = netdev_priv(g_linux_wlan->vif[i].ndev); |
| } |
| |
| if (g_linux_wlan && g_linux_wlan->firmware) |
| release_firmware(g_linux_wlan->firmware); |
| |
| if (g_linux_wlan && |
| (g_linux_wlan->vif[0].ndev || g_linux_wlan->vif[1].ndev)) { |
| linux_wlan_lock_timeout(&close_exit_sync, 12 * 1000); |
| |
| for (i = 0; i < NUM_CONCURRENT_IFC; i++) |
| if (g_linux_wlan->vif[i].ndev) |
| if (nic[i]->mac_opened) |
| mac_close(g_linux_wlan->vif[i].ndev); |
| |
| for (i = 0; i < NUM_CONCURRENT_IFC; i++) { |
| unregister_netdev(g_linux_wlan->vif[i].ndev); |
| wilc_free_wiphy(g_linux_wlan->vif[i].ndev); |
| free_netdev(g_linux_wlan->vif[i].ndev); |
| } |
| } |
| |
| kfree(g_linux_wlan); |
| |
| #if defined(WILC_DEBUGFS) |
| wilc_debugfs_remove(); |
| #endif |
| linux_wlan_device_detection(0); |
| linux_wlan_device_power(0); |
| } |
| |
| int wilc_netdev_init(struct wilc **wilc) |
| { |
| int i; |
| perInterface_wlan_t *nic; |
| struct net_device *ndev; |
| |
| sema_init(&close_exit_sync, 0); |
| |
| /*create the common structure*/ |
| g_linux_wlan = kzalloc(sizeof(*g_linux_wlan), GFP_KERNEL); |
| if (!g_linux_wlan) |
| return -ENOMEM; |
| |
| *wilc = g_linux_wlan; |
| |
| register_inetaddr_notifier(&g_dev_notifier); |
| |
| 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->vif_num; |
| nic->wilc_netdev = ndev; |
| nic->wilc = *wilc; |
| g_linux_wlan->vif[g_linux_wlan->vif_num].ndev = ndev; |
| g_linux_wlan->vif_num++; |
| ndev->netdev_ops = &wilc_netdev_ops; |
| |
| { |
| struct wireless_dev *wdev; |
| /*Register WiFi*/ |
| wdev = wilc_create_wiphy(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; |
| |
| } |
| |
| 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) |
| { |
| #ifdef WILC_SPI |
| struct wilc *wilc; |
| #endif |
| |
| #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(&wilc)) |
| PRINT_ER("Couldn't initialize netdev\n"); |
| return 0; |
| #endif |
| } |
| late_initcall(init_wilc_driver); |
| |
| static void __exit exit_wilc_driver(void) |
| { |
| #ifndef WILC_SDIO |
| PRINT_D(INIT_DBG, "SPI unregister...\n"); |
| spi_unregister_driver(&wilc_bus); |
| #else |
| PRINT_D(INIT_DBG, "SDIO unregister...\n"); |
| sdio_unregister_driver(&wilc_bus); |
| #endif |
| } |
| module_exit(exit_wilc_driver); |
| |
| MODULE_LICENSE("GPL"); |