drivers/staging/wilc1000/linux_wlan.c

   1 #ifndef SIMULATION
   2 #include "wilc_wfi_cfgoperations.h"
   3 #include "linux_wlan_common.h"
   4 #include "wilc_wlan_if.h"
   5 #include "wilc_wlan.h"
   6 #ifdef USE_WIRELESS
   7 #include "wilc_wfi_cfgoperations.h"
   8 #endif
   9
  10 #include "linux_wlan_common.h"
  11
  12 #include <linux/slab.h>
  13 #include <linux/sched.h>
  14 #include <linux/delay.h>
  15 #include <linux/workqueue.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/irq.h>
  18 #include <linux/gpio.h>
  19
  20 #include <linux/kthread.h>
  21 #include <linux/firmware.h>
  22 #include <linux/delay.h>
  23
  24 #include <linux/init.h>
  25 #include <linux/netdevice.h>
  26 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
  27 #include <linux/inetdevice.h>
  28 #endif
  29 #include <linux/etherdevice.h>
  30 #include <linux/module.h>
  31 #include <linux/kernel.h>
  32 #include <linux/skbuff.h>
  33
  34 #include <linux/version.h>
  35 #include <linux/semaphore.h>
  36
  37 #ifdef WILC_SDIO
  38 #include "linux_wlan_sdio.h"
  39 #else
  40 #include "linux_wlan_spi.h"
  41 #endif
  42
  43 #ifdef WILC_FULLY_HOSTING_AP
  44 #include "wilc_host_ap.h"
  45 #endif
  46
  47 #ifdef STATIC_MACADDRESS /* brandy_0724 [[ */
  48 #include <linux/vmalloc.h>
  49 #include <linux/fs.h>
  50 struct task_struct *wilc_mac_thread;
  51 unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xb2};
  52 #endif /* brandy_0724 ]] */
  53
  54 #if defined(CUSTOMER_PLATFORM)
  55 /*
  56  TODO : Write power control functions as customer platform.
  57  */
  58 #else
  59
  60  #define _linux_wlan_device_power_on()          {}
  61  #define _linux_wlan_device_power_off()         {}
  62
  63  #define _linux_wlan_device_detection()         {}
  64  #define _linux_wlan_device_removal()           {}
  65 #endif
  66
  67 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
  68 extern WILC_Bool g_obtainingIP;
  69 #endif
  70 extern u16 Set_machw_change_vir_if(WILC_Bool bValue);
  71 extern void resolve_disconnect_aberration(void *drvHandler);
  72 extern u8 gau8MulticastMacAddrList[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN];
  73 void wilc1000_wlan_deinit(linux_wlan_t *nic);
  74 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
  75 extern WILC_TimerHandle hDuringIpTimer;
  76 #endif
  77
  78 static int linux_wlan_device_power(int on_off)
  79 {
  80         PRINT_D(INIT_DBG, "linux_wlan_device_power.. (%d)\n", on_off);
  81
  82         if (on_off) {
  83                 _linux_wlan_device_power_on();
  84         } else {
  85                 _linux_wlan_device_power_off();
  86         }
  87
  88         return 0;
  89 }
  90
  91 static int linux_wlan_device_detection(int on_off)
  92 {
  93         PRINT_D(INIT_DBG, "linux_wlan_device_detection.. (%d)\n", on_off);
  94
  95 #ifdef WILC_SDIO
  96         if (on_off) {
  97                 _linux_wlan_device_detection();
  98         } else {
  99                 _linux_wlan_device_removal();
 100         }
 101 #endif
 102
 103         return 0;
 104 }
 105
 106
 107 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
 108 static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr);
 109
 110 static struct notifier_block g_dev_notifier = {
 111         .notifier_call = dev_state_ev_handler
 112 };
 113 #endif
 114
 115 #define wilc_wlan_deinit(nic)   { if (&g_linux_wlan->oup != NULL)        \
 116                 if (g_linux_wlan->oup.wlan_cleanup != NULL) \
 117                         g_linux_wlan->oup.wlan_cleanup(); }
 118
 119
 120 #ifndef STA_FIRMWARE
 121 #define STA_FIRMWARE    "wifi_firmware.bin"
 122 #endif
 123
 124 #ifndef AP_FIRMWARE
 125 #define AP_FIRMWARE             "wifi_firmware_ap.bin"
 126 #endif
 127
 128 #ifndef P2P_CONCURRENCY_FIRMWARE
 129 #define P2P_CONCURRENCY_FIRMWARE        "wifi_firmware_p2p_concurrency.bin"
 130 #endif
 131
 132
 133
 134 typedef struct android_wifi_priv_cmd {
 135         char *buf;
 136         int used_len;
 137         int total_len;
 138 } android_wifi_priv_cmd;
 139
 140
 141 #define IRQ_WAIT        1
 142 #define IRQ_NO_WAIT     0
 143 /*
 144  *      to sync between mac_close and module exit.
 145  *      don't initialize or de-initialize from init/deinitlocks
 146  *      to be initialized from module wilc_netdev_init and
 147  *      deinitialized from mdoule_exit
 148  */
 149 static struct semaphore close_exit_sync;
 150 unsigned int int_rcvdU;
 151 unsigned int int_rcvdB;
 152 unsigned int int_clrd;
 153
 154 static int wlan_deinit_locks(linux_wlan_t *nic);
 155 static void wlan_deinitialize_threads(linux_wlan_t *nic);
 156 static void linux_wlan_lock(void *vp);
 157 void linux_wlan_unlock(void *vp);
 158 extern void WILC_WFI_monitor_rx(uint8_t *buff, uint32_t size);
 159 extern void WILC_WFI_p2p_rx(struct net_device *dev, uint8_t *buff, uint32_t size);
 160
 161
 162 static void *internal_alloc(uint32_t size, uint32_t flag);
 163 static void linux_wlan_tx_complete(void *priv, int status);
 164 void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset);
 165 static int  mac_init_fn(struct net_device *ndev);
 166 int  mac_xmit(struct sk_buff *skb, struct net_device *dev);
 167 int  mac_open(struct net_device *ndev);
 168 int  mac_close(struct net_device *ndev);
 169 static struct net_device_stats *mac_stats(struct net_device *dev);
 170 static int  mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
 171 static void wilc_set_multicast_list(struct net_device *dev);
 172
 173
 174
 175 /*
 176  * for now - in frmw_to_linux there should be private data to be passed to it
 177  * and this data should be pointer to net device
 178  */
 179 linux_wlan_t *g_linux_wlan;
 180 wilc_wlan_oup_t *gpstrWlanOps;
 181 WILC_Bool bEnablePS = WILC_TRUE;
 182
 183 static const struct net_device_ops wilc_netdev_ops = {
 184         .ndo_init = mac_init_fn,
 185         .ndo_open = mac_open,
 186         .ndo_stop = mac_close,
 187         .ndo_start_xmit = mac_xmit,
 188         .ndo_do_ioctl = mac_ioctl,
 189         .ndo_get_stats = mac_stats,
 190         .ndo_set_rx_mode  = wilc_set_multicast_list,
 191
 192 };
 193
 194 #ifdef DEBUG_MODE
 195
 196 extern volatile int timeNo;
 197
 198 #define DEGUG_BUFFER_LENGTH 1000
 199 volatile int WatchDogdebuggerCounter;
 200 char DebugBuffer[DEGUG_BUFFER_LENGTH + 20] = {0};
 201 static char *ps8current = DebugBuffer;
 202
 203
 204
 205 void printk_later(const char *format, ...)
 206 {
 207         va_list args;
 208         va_start (args, format);
 209         ps8current += vsprintf (ps8current, format, args);
 210         va_end (args);
 211         if ((ps8current - DebugBuffer) > DEGUG_BUFFER_LENGTH) {
 212                 ps8current = DebugBuffer;
 213         }
 214
 215 }
 216
 217
 218 void dump_logs()
 219 {
 220         if (DebugBuffer[0]) {
 221                 DebugBuffer[DEGUG_BUFFER_LENGTH] = 0;
 222                 PRINT_INFO(GENERIC_DBG, "early printed\n");
 223                 PRINT_D(GENERIC_DBG, ps8current + 1);
 224                 ps8current[1] = 0;
 225                 PRINT_INFO(GENERIC_DBG, "latest printed\n");
 226                 PRINT_D(GENERIC_DBG, DebugBuffer);
 227                 DebugBuffer[0] = 0;
 228                 ps8current = DebugBuffer;
 229         }
 230 }
 231
 232 void Reset_WatchDogdebugger()
 233 {
 234         WatchDogdebuggerCounter = 0;
 235 }
 236
 237 static int DebuggingThreadTask(void *vp)
 238 {
 239         while (1) {
 240                 while (!WatchDogdebuggerCounter) {
 241                         PRINT_D(GENERIC_DBG, "Debug Thread Running %d\n", timeNo);
 242                         WatchDogdebuggerCounter = 1;
 243                         msleep(10000);
 244                 }
 245                 dump_logs();
 246                 WatchDogdebuggerCounter = 0;
 247         }
 248 }
 249
 250
 251 #endif
 252
 253
 254 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
 255 static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr)
 256 {
 257         struct in_ifaddr *dev_iface = (struct in_ifaddr *)ptr;
 258         struct WILC_WFI_priv *priv;
 259         tstrWILC_WFIDrv *pstrWFIDrv;
 260         struct net_device *dev;
 261         u8 *pIP_Add_buff;
 262         perInterface_wlan_t *nic;
 263         u8 null_ip[4] = {0};
 264         char wlan_dev_name[5] = "wlan0";
 265
 266         if (dev_iface == NULL || dev_iface->ifa_dev == NULL || dev_iface->ifa_dev->dev == NULL) {
 267                 PRINT_D(GENERIC_DBG, "dev_iface = NULL\n");
 268                 return NOTIFY_DONE;
 269         }
 270
 271         if ((memcmp(dev_iface->ifa_label, "wlan0", 5)) && (memcmp(dev_iface->ifa_label, "p2p0", 4))) {
 272                 PRINT_D(GENERIC_DBG, "Interface is neither WLAN0 nor P2P0\n");
 273                 return NOTIFY_DONE;
 274         }
 275
 276         dev  = (struct net_device *)dev_iface->ifa_dev->dev;
 277         if (dev->ieee80211_ptr == NULL || dev->ieee80211_ptr->wiphy == NULL) {
 278                 PRINT_D(GENERIC_DBG, "No Wireless registerd\n");
 279                 return NOTIFY_DONE;
 280         }
 281         priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
 282         if (priv == NULL) {
 283                 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
 284                 return NOTIFY_DONE;
 285         }
 286         pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
 287         nic = netdev_priv(dev);
 288         if (nic == NULL || pstrWFIDrv == NULL) {
 289                 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
 290                 return NOTIFY_DONE;
 291         }
 292
 293         PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler +++\n"); /* tony */
 294
 295         switch (event) {
 296         case NETDEV_UP:
 297                 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_UP %p\n", dev);       /* tony */
 298
 299                 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Obtained ===============\n\n");
 300
 301
 302                 /*If we are in station mode or client mode*/
 303                 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
 304                         pstrWFIDrv->IFC_UP = 1;
 305                         g_obtainingIP = WILC_FALSE;
 306                         WILC_TimerStop(&hDuringIpTimer, NULL);
 307                         PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n");
 308                 }
 309
 310
 311
 312                 if (bEnablePS    == WILC_TRUE)
 313                         host_int_set_power_mgmt((WILC_WFIDrvHandle)pstrWFIDrv, 1, 0);
 314
 315                 PRINT_D(GENERIC_DBG, "[%s] Up IP\n", dev_iface->ifa_label);
 316
 317                 pIP_Add_buff = (char *) (&(dev_iface->ifa_address));
 318                 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]);
 319                 host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
 320
 321                 break;
 322
 323         case NETDEV_DOWN:
 324                 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_DOWN %p\n", dev);               /* tony */
 325
 326                 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Released ===============\n\n");
 327                 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
 328                         pstrWFIDrv->IFC_UP = 0;
 329                         g_obtainingIP = WILC_FALSE;
 330                 }
 331
 332                 if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
 333                         host_int_set_power_mgmt((WILC_WFIDrvHandle)pstrWFIDrv, 0, 0);
 334
 335                 resolve_disconnect_aberration(pstrWFIDrv);
 336
 337
 338                 PRINT_D(GENERIC_DBG, "[%s] Down IP\n", dev_iface->ifa_label);
 339
 340                 pIP_Add_buff = null_ip;
 341                 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]);
 342
 343                 host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
 344
 345                 break;
 346
 347         default:
 348                 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler event=default\n");        /* tony */
 349                 PRINT_INFO(GENERIC_DBG, "[%s] unknown dev event: %lu\n", dev_iface->ifa_label, event);
 350
 351                 break;
 352         }
 353
 354         return NOTIFY_DONE;
 355
 356 }
 357 #endif
 358
 359 /*
 360  *      Interrupt initialization and handling functions
 361  */
 362
 363 void linux_wlan_enable_irq(void)
 364 {
 365
 366 #if (RX_BH_TYPE != RX_BH_THREADED_IRQ)
 367 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
 368         PRINT_D(INT_DBG, "Enabling IRQ ...\n");
 369         enable_irq(g_linux_wlan->dev_irq_num);
 370 #endif
 371 #endif
 372 }
 373
 374 void linux_wlan_disable_irq(int wait)
 375 {
 376 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
 377         if (wait) {
 378                 PRINT_D(INT_DBG, "Disabling IRQ ...\n");
 379                 disable_irq(g_linux_wlan->dev_irq_num);
 380         } else {
 381                 PRINT_D(INT_DBG, "Disabling IRQ ...\n");
 382                 disable_irq_nosync(g_linux_wlan->dev_irq_num);
 383         }
 384 #endif
 385 }
 386
 387 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
 388 static irqreturn_t isr_uh_routine(int irq, void *user_data)
 389 {
 390
 391
 392         int_rcvdU++;
 393 #if (RX_BH_TYPE != RX_BH_THREADED_IRQ)
 394         linux_wlan_disable_irq(IRQ_NO_WAIT);
 395 #endif
 396         PRINT_D(INT_DBG, "Interrupt received UH\n");
 397
 398         /*While mac is closing cacncel the handling of any interrupts received*/
 399         if (g_linux_wlan->close) {
 400                 PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n");
 401         #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
 402                 return IRQ_HANDLED;
 403         #else
 404                 return IRQ_NONE;
 405         #endif
 406
 407         }
 408 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
 409         schedule_work(&g_linux_wlan->rx_work_queue);
 410         return IRQ_HANDLED;
 411 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
 412         linux_wlan_unlock(&g_linux_wlan->rx_sem);
 413         return IRQ_HANDLED;
 414 #elif (RX_BH_TYPE == RX_BH_THREADED_IRQ)
 415         return IRQ_WAKE_THREAD;
 416 #endif
 417
 418 }
 419 #endif
 420
 421 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE || RX_BH_TYPE == RX_BH_THREADED_IRQ)
 422
 423 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
 424 irqreturn_t isr_bh_routine(int irq, void *userdata)
 425 {
 426         linux_wlan_t *nic;
 427         nic = (linux_wlan_t *)userdata;
 428 #else
 429 static void isr_bh_routine(struct work_struct *work)
 430 {
 431         perInterface_wlan_t *nic;
 432         nic = (perInterface_wlan_t *)container_of(work, linux_wlan_t, rx_work_queue);
 433 #endif
 434
 435         /*While mac is closing cacncel the handling of any interrupts received*/
 436         if (g_linux_wlan->close) {
 437                 PRINT_ER("Driver is CLOSING: Can't handle BH interrupt\n");
 438         #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
 439                 return IRQ_HANDLED;
 440         #else
 441                 return;
 442         #endif
 443
 444
 445
 446         }
 447
 448         int_rcvdB++;
 449         PRINT_D(INT_DBG, "Interrupt received BH\n");
 450         if (g_linux_wlan->oup.wlan_handle_rx_isr != 0) {
 451                 g_linux_wlan->oup.wlan_handle_rx_isr();
 452         } else {
 453                 PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n");
 454         }
 455
 456
 457 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
 458         return IRQ_HANDLED;
 459 #endif
 460 }
 461 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
 462 static int isr_bh_routine(void *vp)
 463 {
 464         linux_wlan_t *nic;
 465
 466         nic = (linux_wlan_t *)vp;
 467
 468         while (1) {
 469                 linux_wlan_lock(&nic->rx_sem);
 470                 if (g_linux_wlan->close) {
 471
 472                         while (!kthread_should_stop())
 473                                 schedule();
 474
 475                         break;
 476                 }
 477                 int_rcvdB++;
 478                 PRINT_D(INT_DBG, "Interrupt received BH\n");
 479                 if (g_linux_wlan->oup.wlan_handle_rx_isr != 0) {
 480                         g_linux_wlan->oup.wlan_handle_rx_isr();
 481                 } else {
 482                         PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n");
 483                 }
 484         }
 485
 486         return 0;
 487 }
 488 #endif
 489
 490
 491 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
 492 static int init_irq(linux_wlan_t *p_nic)
 493 {
 494         int ret = 0;
 495         linux_wlan_t *nic = p_nic;
 496
 497         /*initialize GPIO and register IRQ num*/
 498         /*GPIO request*/
 499         if ((gpio_request(GPIO_NUM, "WILC_INTR") == 0) &&
 500             (gpio_direction_input(GPIO_NUM) == 0)) {
 501 #if defined(CUSTOMER_PLATFORM)
 502 /*
 503  TODO : save the registerd irq number to the private wilc context in kernel.
 504  *
 505  * ex) nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
 506  */
 507 #elif defined (NM73131_0_BOARD)
 508                 nic->dev_irq_num = IRQ_WILC1000;
 509 #elif defined (PANDA_BOARD)
 510                 gpio_export(GPIO_NUM, 1);
 511                 nic->dev_irq_num = OMAP_GPIO_IRQ(GPIO_NUM);
 512                 irq_set_irq_type(nic->dev_irq_num, IRQ_TYPE_LEVEL_LOW);
 513 #else
 514                 nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
 515 #endif
 516         } else {
 517                 ret = -1;
 518                 PRINT_ER("could not obtain gpio for WILC_INTR\n");
 519         }
 520
 521
 522 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
 523         if ((ret != -1) && (request_threaded_irq(nic->dev_irq_num, isr_uh_routine, isr_bh_routine,
 524                                                   IRQF_TRIGGER_LOW | IRQF_ONESHOT,               /*Without IRQF_ONESHOT the uh will remain kicked in and dont gave a chance to bh*/
 525                                                   "WILC_IRQ", nic)) < 0) {
 526
 527 #else
 528         /*Request IRQ*/
 529         if ((ret != -1) && (request_irq(nic->dev_irq_num, isr_uh_routine,
 530                                         IRQF_TRIGGER_LOW, "WILC_IRQ", nic) < 0)) {
 531
 532 #endif
 533                 PRINT_ER("Failed to request IRQ for GPIO: %d\n", GPIO_NUM);
 534                 ret = -1;
 535         } else {
 536
 537                 PRINT_D(INIT_DBG, "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
 538                         nic->dev_irq_num, GPIO_NUM);
 539         }
 540
 541         return ret;
 542 }
 543 #endif
 544
 545 static void deinit_irq(linux_wlan_t *nic)
 546 {
 547 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
 548         /* Deintialize IRQ */
 549         if (&nic->dev_irq_num != 0) {
 550                 free_irq(nic->dev_irq_num, g_linux_wlan);
 551
 552                 gpio_free(GPIO_NUM);
 553         }
 554 #endif
 555 }
 556
 557
 558 /*
 559  *      OS functions
 560  */
 561 static void linux_wlan_msleep(uint32_t msc)
 562 {
 563         if (msc <= 4000000) {
 564                 u32 u32Temp = msc * 1000;
 565                 usleep_range(u32Temp, u32Temp);
 566         } else {
 567                 msleep(msc);
 568         }
 569 }
 570
 571 static void linux_wlan_atomic_msleep(uint32_t msc)
 572 {
 573         mdelay(msc);
 574 }
 575 static void linux_wlan_dbg(uint8_t *buff)
 576 {
 577         PRINT_D(INIT_DBG, "%d\n", *buff);
 578 }
 579
 580 static void *linux_wlan_malloc_atomic(uint32_t sz)
 581 {
 582         char *pntr = NULL;
 583         pntr = (char *)kmalloc(sz, GFP_ATOMIC);
 584         PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
 585         return (void *)pntr;
 586
 587 }
 588 static void *linux_wlan_malloc(uint32_t sz)
 589 {
 590         char *pntr = NULL;
 591         pntr = (char *)kmalloc(sz, GFP_KERNEL);
 592         PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
 593         return (void *)pntr;
 594 }
 595
 596 void linux_wlan_free(void *vp)
 597 {
 598         if (vp != NULL) {
 599                 PRINT_D(MEM_DBG, "Freeing %p\n", vp);
 600                 kfree(vp);
 601         }
 602 }
 603
 604
 605 static void *internal_alloc(uint32_t size, uint32_t flag)
 606 {
 607         char *pntr = NULL;
 608         pntr = (char *)kmalloc(size, flag);
 609         PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", size, pntr);
 610         return (void *)pntr;
 611 }
 612
 613
 614 static void linux_wlan_init_lock(char *lockName, void *plock, int count)
 615 {
 616         sema_init((struct semaphore *)plock, count);
 617         PRINT_D(LOCK_DBG, "Initializing [%s][%p]\n", lockName, plock);
 618
 619 }
 620
 621 static void linux_wlan_deinit_lock(void *plock)
 622 {
 623         /* mutex_destroy((struct mutex*)plock); */
 624 }
 625
 626 static void linux_wlan_lock(void *vp)
 627 {
 628         PRINT_D(LOCK_DBG, "Locking %p\n", vp);
 629         if (vp != NULL) {
 630                 while (down_interruptible((struct semaphore *) vp))
 631                         ;
 632         } else {
 633                 PRINT_ER("Failed, mutex is NULL\n");
 634         }
 635 }
 636
 637 static int linux_wlan_lock_timeout(void *vp, u32 timeout)
 638 {
 639         int error = -1;
 640         PRINT_D(LOCK_DBG, "Locking %p\n", vp);
 641         if (vp != NULL) {
 642                 error = down_timeout((struct semaphore *)vp, msecs_to_jiffies(timeout));
 643         } else {
 644                 PRINT_ER("Failed, mutex is NULL\n");
 645         }
 646         return error;
 647 }
 648
 649 void linux_wlan_unlock(void *vp)
 650 {
 651         PRINT_D(LOCK_DBG, "Unlocking %p\n", vp);
 652         if (vp != NULL) {
 653                 up((struct semaphore *)vp);
 654         } else {
 655                 PRINT_ER("Failed, mutex is NULL\n");
 656         }
 657 }
 658
 659
 660 static void linux_wlan_init_mutex(char *lockName, void *plock, int count)
 661 {
 662         mutex_init((struct mutex *)plock);
 663         PRINT_D(LOCK_DBG, "Initializing mutex [%s][%p]\n", lockName, plock);
 664
 665 }
 666
 667 static void linux_wlan_deinit_mutex(void *plock)
 668 {
 669         mutex_destroy((struct mutex *)plock);
 670 }
 671
 672 static void linux_wlan_lock_mutex(void *vp)
 673 {
 674         PRINT_D(LOCK_DBG, "Locking mutex %p\n", vp);
 675         if (vp != NULL) {
 676                 /*
 677                  *      if(mutex_is_locked((struct mutex*)vp))
 678                  *      {
 679                  *              //PRINT_ER("Mutex already locked - %p \n",vp);
 680                  *      }
 681                  */
 682                 mutex_lock((struct mutex *)vp);
 683
 684         } else {
 685                 PRINT_ER("Failed, mutex is NULL\n");
 686         }
 687 }
 688
 689 static void linux_wlan_unlock_mutex(void *vp)
 690 {
 691         PRINT_D(LOCK_DBG, "Unlocking mutex %p\n", vp);
 692         if (vp != NULL) {
 693
 694                 if (mutex_is_locked((struct mutex *)vp)) {
 695                         mutex_unlock((struct mutex *)vp);
 696                 } else {
 697                         /* PRINT_ER("Mutex already unlocked  - %p\n",vp); */
 698                 }
 699
 700         } else {
 701                 PRINT_ER("Failed, mutex is NULL\n");
 702         }
 703 }
 704
 705
 706 /*Added by Amr - BugID_4720*/
 707 static void linux_wlan_init_spin_lock(char *lockName, void *plock, int count)
 708 {
 709         spin_lock_init((spinlock_t *)plock);
 710         PRINT_D(SPIN_DEBUG, "Initializing mutex [%s][%p]\n", lockName, plock);
 711
 712 }
 713
 714 static void linux_wlan_deinit_spin_lock(void *plock)
 715 {
 716
 717 }
 718 static void linux_wlan_spin_lock(void *vp, unsigned long *flags)
 719 {
 720         unsigned long lflags;
 721         PRINT_D(SPIN_DEBUG, "Lock spin %p\n", vp);
 722         if (vp != NULL) {
 723                 spin_lock_irqsave((spinlock_t *)vp, lflags);
 724                 *flags = lflags;
 725         } else {
 726                 PRINT_ER("Failed, spin lock is NULL\n");
 727         }
 728 }
 729 static void linux_wlan_spin_unlock(void *vp, unsigned long *flags)
 730 {
 731         unsigned long lflags = *flags;
 732         PRINT_D(SPIN_DEBUG, "Unlock spin %p\n", vp);
 733         if (vp != NULL) {
 734                 spin_unlock_irqrestore((spinlock_t *)vp, lflags);
 735                 *flags = lflags;
 736         } else {
 737                 PRINT_ER("Failed, spin lock is NULL\n");
 738         }
 739 }
 740
 741 static void linux_wlan_mac_indicate(int flag)
 742 {
 743         /*I have to do it that way becuase there is no mean to encapsulate device pointer
 744          * as a parameter
 745          */
 746         linux_wlan_t *pd = g_linux_wlan;
 747         int status;
 748
 749         if (flag == WILC_MAC_INDICATE_STATUS) {
 750                 pd->oup.wlan_cfg_get_value(WID_STATUS, (unsigned char *)&status, 4);
 751                 if (pd->mac_status == WILC_MAC_STATUS_INIT) {
 752                         pd->mac_status = status;
 753                         linux_wlan_unlock(&pd->sync_event);
 754                 } else {
 755                         pd->mac_status = status;
 756                 }
 757
 758                 if (pd->mac_status == WILC_MAC_STATUS_CONNECT) {        /* Connect */
 759 #if 0
 760                         /**
 761                          *      get the mac and bssid address
 762                          **/
 763                         PRINT_D(RX_DBG, "Calling cfg_get to get MAC_ADDR\n");
 764                         pd->oup.wlan_cfg_get(1, WID_MAC_ADDR, 0);
 765                         PRINT_D(RX_DBG, "Calling cfg_get to get BSSID\n");
 766                         pd->oup.wlan_cfg_get(0, WID_BSSID, 1);
 767
 768                         /**
 769                          *      get the value
 770                          **/
 771                         pd->oup.wlan_cfg_get_value(WID_MAC_ADDR, pd->eth_src_address, 6);
 772                         pd->oup.wlan_cfg_get_value(WID_BSSID, pd->eth_dst_address, 6);
 773
 774                         PRINT_D(GENERIC_DBG, "Source Address = %s", pd->eth_src_address);
 775                         PRINT_D(GENERIC_DBG, "Destiation Address = %s", pd->eth_dst_address);
 776
 777                         /**
 778                          *      launch ndis
 779                          **/
 780 #endif
 781                 }
 782
 783         } else if (flag == WILC_MAC_INDICATE_SCAN) {
 784                 PRINT_D(GENERIC_DBG, "Scanning ...\n");
 785
 786         }
 787
 788 }
 789
 790 struct net_device *GetIfHandler(uint8_t *pMacHeader)
 791 {
 792         uint8_t *Bssid, *Bssid1;
 793         int i = 0;
 794
 795         Bssid  = pMacHeader + 10;
 796         Bssid1 = pMacHeader + 4;
 797
 798         for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
 799                 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
 800                     !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
 801                         return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
 802                 }
 803         }
 804         PRINT_INFO(INIT_DBG, "Invalide handle\n");
 805         for (i = 0; i < 25; i++) {
 806                 PRINT_D(INIT_DBG, "%02x ", pMacHeader[i]);
 807         }
 808         Bssid  = pMacHeader + 18;
 809         Bssid1 = pMacHeader + 12;
 810         for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
 811                 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
 812                     !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
 813                         PRINT_D(INIT_DBG, "Ctx [%p]\n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
 814                         return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
 815                 }
 816         }
 817         PRINT_INFO(INIT_DBG, "\n");
 818         return NULL;
 819 }
 820
 821 int linux_wlan_set_bssid(struct net_device *wilc_netdev, uint8_t *pBSSID)
 822 {
 823         int i = 0;
 824         int ret = -1;
 825
 826         PRINT_D(INIT_DBG, "set bssid on[%p]\n", wilc_netdev);
 827         for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
 828                 if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev == wilc_netdev) {
 829                         PRINT_D(INIT_DBG, "set bssid [%x][%x][%x]\n", pBSSID[0], pBSSID[1], pBSSID[2]);
 830                         memcpy(g_linux_wlan->strInterfaceInfo[i].aBSSID, pBSSID, 6);
 831                         ret = 0;
 832                         break;
 833                 }
 834         }
 835         return ret;
 836 }
 837
 838 /*BugID_5213*/
 839 /*Function to get number of connected interfaces*/
 840 int linux_wlan_get_num_conn_ifcs(void)
 841 {
 842         uint8_t i = 0;
 843         uint8_t null_bssid[6] = {0};
 844         uint8_t ret_val = 0;
 845
 846         for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
 847                 if (memcmp(g_linux_wlan->strInterfaceInfo[i].aBSSID, null_bssid, 6)) {
 848                         ret_val++;
 849                 }
 850         }
 851         return ret_val;
 852 }
 853
 854 static int linux_wlan_rxq_task(void *vp)
 855 {
 856
 857         /* inform wilc1000_wlan_init that RXQ task is started. */
 858         linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
 859         while (1) {
 860                 linux_wlan_lock(&g_linux_wlan->rxq_event);
 861                 /* wait_for_completion(&g_linux_wlan->rxq_event); */
 862
 863                 if (g_linux_wlan->close) {
 864                         /*Unlock the mutex in the mac_close function to indicate the exiting of the RX thread */
 865                         linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
 866
 867                         while (!kthread_should_stop())
 868                                 schedule();
 869
 870                         PRINT_D(RX_DBG, " RX thread stopped\n");
 871                         break;
 872                 }
 873                 PRINT_D(RX_DBG, "Calling wlan_handle_rx_que()\n");
 874
 875                 g_linux_wlan->oup.wlan_handle_rx_que();
 876         }
 877         return 0;
 878 }
 879
 880 #define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
 881
 882 static int linux_wlan_txq_task(void *vp)
 883 {
 884         int ret, txq_count;
 885
 886 #if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
 887 #define TX_BACKOFF_WEIGHT_INCR_STEP (1)
 888 #define TX_BACKOFF_WEIGHT_DECR_STEP (1)
 889 #define TX_BACKOFF_WEIGHT_MAX (7)
 890 #define TX_BACKOFF_WEIGHT_MIN (0)
 891 #define TX_BACKOFF_WEIGHT_UNIT_MS (10)
 892         int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
 893         signed long timeout;
 894 #endif
 895
 896         /* inform wilc1000_wlan_init that TXQ task is started. */
 897         linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
 898         while (1) {
 899
 900                 PRINT_D(TX_DBG, "txq_task Taking a nap :)\n");
 901                 linux_wlan_lock(&g_linux_wlan->txq_event);
 902                 /* wait_for_completion(&pd->txq_event); */
 903                 PRINT_D(TX_DBG, "txq_task Who waked me up :$\n");
 904
 905                 if (g_linux_wlan->close) {
 906                         /*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */
 907                         linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
 908
 909                         while (!kthread_should_stop())
 910                                 schedule();
 911
 912                         PRINT_D(TX_DBG, "TX thread stopped\n");
 913                         break;
 914                 }
 915                 PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n");
 916 #if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
 917                 g_linux_wlan->oup.wlan_handle_tx_que();
 918 #else
 919                 do {
 920                         ret = g_linux_wlan->oup.wlan_handle_tx_que(&txq_count);
 921                         if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD /* && netif_queue_stopped(pd->wilc_netdev)*/) {
 922                                 PRINT_D(TX_DBG, "Waking up queue\n");
 923                                 /* netif_wake_queue(pd->wilc_netdev); */
 924                                 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[0].wilc_netdev))
 925                                         netif_wake_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
 926                                 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[1].wilc_netdev))
 927                                         netif_wake_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
 928                         }
 929
 930                         if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */
 931                                 timeout = msecs_to_jiffies(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
 932                                 do {
 933                                         /* Back off from sending packets for some time. */
 934                                         /* schedule_timeout will allow RX task to run and free buffers.*/
 935                                         /* set_current_state(TASK_UNINTERRUPTIBLE); */
 936                                         /* timeout = schedule_timeout(timeout); */
 937                                         msleep(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
 938                                 } while (/*timeout*/ 0);
 939                                 backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
 940                                 if (backoff_weight > TX_BACKOFF_WEIGHT_MAX) {
 941                                         backoff_weight = TX_BACKOFF_WEIGHT_MAX;
 942                                 }
 943                         } else {
 944                                 if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
 945                                         backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
 946                                         if (backoff_weight < TX_BACKOFF_WEIGHT_MIN) {
 947                                                 backoff_weight = TX_BACKOFF_WEIGHT_MIN;
 948                                         }
 949                                 }
 950                         }
 951                         /*TODO: drop packets after a certain time/number of retry count. */
 952                 } while (ret == WILC_TX_ERR_NO_BUF && !g_linux_wlan->close); /* retry sending packets if no more buffers in chip. */
 953 #endif
 954         }
 955         return 0;
 956 }
 957
 958 static void linux_wlan_rx_complete(void)
 959 {
 960         PRINT_D(RX_DBG, "RX completed\n");
 961 }
 962
 963 int linux_wlan_get_firmware(perInterface_wlan_t *p_nic)
 964 {
 965
 966         perInterface_wlan_t *nic = p_nic;
 967         int ret = 0;
 968         const struct firmware *wilc_firmware;
 969         char *firmware;
 970
 971
 972         if (nic->iftype == AP_MODE)
 973                 firmware = AP_FIRMWARE;
 974         else if (nic->iftype == STATION_MODE)
 975                 firmware = STA_FIRMWARE;
 976
 977         /*BugID_5137*/
 978         else {
 979                 PRINT_D(INIT_DBG, "Get P2P_CONCURRENCY_FIRMWARE\n");
 980                 firmware = P2P_CONCURRENCY_FIRMWARE;
 981         }
 982
 983
 984
 985         if (nic == NULL) {
 986                 PRINT_ER("NIC is NULL\n");
 987                 goto _fail_;
 988         }
 989
 990         if (&nic->wilc_netdev->dev == NULL) {
 991                 PRINT_ER("&nic->wilc_netdev->dev  is NULL\n");
 992                 goto _fail_;
 993         }
 994
 995
 996         /*      the firmare should be located in /lib/firmware in
 997          *      root file system with the name specified above */
 998
 999 #ifdef WILC_SDIO
1000         if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_sdio_func->dev) != 0) {
1001                 PRINT_ER("%s - firmare not available\n", firmware);
1002                 ret = -1;
1003                 goto _fail_;
1004         }
1005 #else
1006         if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_spidev->dev) != 0) {
1007                 PRINT_ER("%s - firmare not available\n", firmware);
1008                 ret = -1;
1009                 goto _fail_;
1010         }
1011 #endif
1012         g_linux_wlan->wilc_firmware = wilc_firmware; /* Bug 4703 */
1013
1014 _fail_:
1015
1016         return ret;
1017
1018 }
1019
1020 #ifdef COMPLEMENT_BOOT
1021 int repeat_power_cycle(perInterface_wlan_t *nic);
1022 #endif
1023
1024 static int linux_wlan_start_firmware(perInterface_wlan_t *nic)
1025 {
1026
1027         int ret = 0;
1028         /* start firmware */
1029         PRINT_D(INIT_DBG, "Starting Firmware ...\n");
1030         ret = g_linux_wlan->oup.wlan_start();
1031         if (ret < 0) {
1032                 PRINT_ER("Failed to start Firmware\n");
1033                 goto _fail_;
1034         }
1035
1036         /* wait for mac ready */
1037         PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n");
1038         ret = linux_wlan_lock_timeout(&g_linux_wlan->sync_event, 5000);
1039         if (ret) {
1040 #ifdef COMPLEMENT_BOOT
1041                 static int timeout = 5;
1042
1043                 if (timeout--) {
1044                         PRINT_D(INIT_DBG, "repeat power cycle[%d]", timeout);
1045                         ret = repeat_power_cycle(nic);
1046                 } else {
1047                         timeout = 5;
1048                         ret = -1;
1049                         goto _fail_;
1050                 }
1051 #endif
1052                 PRINT_D(INIT_DBG, "Firmware start timed out");
1053                 goto _fail_;
1054         }
1055         /*
1056          *      TODO: Driver shouoldn't wait forever for firmware to get started -
1057          *      in case of timeout this should be handled properly
1058          */
1059         PRINT_D(INIT_DBG, "Firmware successfully started\n");
1060
1061 _fail_:
1062         return ret;
1063 }
1064 static int linux_wlan_firmware_download(linux_wlan_t *p_nic)
1065 {
1066
1067         int ret = 0;
1068
1069         if (g_linux_wlan->wilc_firmware == NULL) {
1070                 PRINT_ER("Firmware buffer is NULL\n");
1071                 ret = -ENOBUFS;
1072                 goto _FAIL_;
1073         }
1074         /**
1075          *      do the firmware download
1076          **/
1077         PRINT_D(INIT_DBG, "Downloading Firmware ...\n");
1078         ret = g_linux_wlan->oup.wlan_firmware_download(g_linux_wlan->wilc_firmware->data, g_linux_wlan->wilc_firmware->size);
1079         if (ret < 0) {
1080                 goto _FAIL_;
1081         }
1082
1083         /* Freeing FW buffer */
1084         PRINT_D(INIT_DBG, "Freeing FW buffer ...\n");
1085         PRINT_D(INIT_DBG, "Releasing firmware\n");
1086         release_firmware(g_linux_wlan->wilc_firmware);
1087         g_linux_wlan->wilc_firmware = NULL;
1088
1089         PRINT_D(INIT_DBG, "Download Succeeded \n");
1090
1091 _FAIL_:
1092         return ret;
1093 }
1094
1095
1096 /* startup configuration - could be changed later using iconfig*/
1097 static int linux_wlan_init_test_config(struct net_device *dev, linux_wlan_t *p_nic)
1098 {
1099
1100         unsigned char c_val[64];
1101         #ifndef STATIC_MACADDRESS
1102         unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff};
1103         #endif
1104
1105         /*BugID_5077*/
1106         struct WILC_WFI_priv *priv;
1107         tstrWILC_WFIDrv *pstrWFIDrv;
1108
1109         PRINT_D(TX_DBG, "Start configuring Firmware\n");
1110         #ifndef STATIC_MACADDRESS
1111         get_random_bytes(&mac_add[5], 1);
1112         get_random_bytes(&mac_add[4], 1);
1113         #endif
1114         priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
1115         pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
1116         PRINT_D(INIT_DBG, "Host = %p\n", pstrWFIDrv);
1117
1118         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]);
1119         wilc_get_chipid(0);
1120
1121
1122         if (g_linux_wlan->oup.wlan_cfg_set == NULL) {
1123                 PRINT_D(INIT_DBG, "Null p[ointer\n");
1124                 goto _fail_;
1125         }
1126
1127         *(int *)c_val = (u32)pstrWFIDrv;
1128
1129         if (!g_linux_wlan->oup.wlan_cfg_set(1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
1130                 goto _fail_;
1131
1132         /*to tell fw that we are going to use PC test - WILC specific*/
1133         c_val[0] = 0;
1134         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
1135                 goto _fail_;
1136
1137         c_val[0] = INFRASTRUCTURE;
1138         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0))
1139                 goto _fail_;
1140
1141
1142         /* c_val[0] = RATE_AUTO; / * bug 4275: Enable autorate and limit it to 24Mbps * / */
1143         c_val[0] = RATE_AUTO;
1144         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
1145                 goto _fail_;
1146
1147         c_val[0] = G_MIXED_11B_2_MODE;
1148         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0))
1149                 goto _fail_;
1150
1151         c_val[0] = 1;
1152         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
1153                 goto _fail_;
1154
1155         c_val[0] = G_SHORT_PREAMBLE;
1156         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0))
1157                 goto _fail_;
1158
1159         c_val[0] = AUTO_PROT;
1160         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
1161                 goto _fail_;
1162
1163 #ifdef SWITCH_LOG_TERMINAL
1164         c_val[0] = AUTO_PROT;
1165         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LOGTerminal_Switch, c_val, 1, 0, 0))
1166                 goto _fail_;
1167 #endif
1168
1169         c_val[0] = ACTIVE_SCAN;
1170         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0))
1171                 goto _fail_;
1172
1173         c_val[0] = SITE_SURVEY_OFF;
1174         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0))
1175                 goto _fail_;
1176
1177         *((int *)c_val) = 0xffff; /* Never use RTS-CTS */
1178         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
1179                 goto _fail_;
1180
1181         *((int *)c_val) = 2346;
1182         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
1183                 goto _fail_;
1184
1185         /*  SSID                                                                 */
1186         /*  --------------------------------------------------------------       */
1187         /*  Configuration :   String with length less than 32 bytes              */
1188         /*  Values to set :   Any string with length less than 32 bytes          */
1189         /*                    ( In BSS Station Set SSID to "" (null string)      */
1190         /*                      to enable Broadcast SSID suppport )              */
1191         /*  --------------------------------------------------------------       */
1192 #ifndef USE_WIRELESS
1193         strcpy(c_val, "nwifi");
1194         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SSID, c_val, (strlen(c_val) + 1), 0, 0))
1195                 goto _fail_;
1196 #endif
1197
1198         c_val[0] = 0;
1199         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0))
1200                 goto _fail_;
1201
1202         c_val[0] = 1;
1203         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0))
1204                 goto _fail_;
1205
1206         c_val[0] = NO_POWERSAVE;
1207         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
1208                 goto _fail_;
1209
1210         c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */
1211         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0))
1212                 goto _fail_;
1213
1214         c_val[0] = OPEN_SYSTEM;
1215         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_AUTH_TYPE, c_val, 1, 0, 0))
1216                 goto _fail_;
1217
1218         /*  WEP/802 11I Configuration                                            */
1219         /*  ------------------------------------------------------------------   */
1220         /*  Configuration : WEP Key                                              */
1221         /*  Values (0x)   : 5 byte for WEP40 and 13 bytes for WEP104             */
1222         /*                  In case more than 5 bytes are passed on for WEP 40   */
1223         /*                  only first 5 bytes will be used as the key           */
1224         /*  ------------------------------------------------------------------   */
1225
1226         strcpy(c_val, "123456790abcdef1234567890");
1227         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_WEP_KEY_VALUE, c_val, (strlen(c_val) + 1), 0, 0))
1228                 goto _fail_;
1229
1230         /*  WEP/802 11I Configuration                                            */
1231         /*  ------------------------------------------------------------------   */
1232         /*  Configuration : AES/TKIP WPA/RSNA Pre-Shared Key                     */
1233         /*  Values to set : Any string with length greater than equal to 8 bytes */
1234         /*                  and less than 64 bytes                               */
1235         /*  ------------------------------------------------------------------   */
1236         strcpy(c_val, "12345678");
1237         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_PSK, c_val, (strlen(c_val)), 0, 0))
1238                 goto _fail_;
1239
1240         /*  IEEE802.1X Key Configuration                                         */
1241         /*  ------------------------------------------------------------------   */
1242         /*  Configuration : Radius Server Access Secret Key                      */
1243         /*  Values to set : Any string with length greater than equal to 8 bytes */
1244         /*                  and less than 65 bytes                               */
1245         /*  ------------------------------------------------------------------   */
1246         strcpy(c_val, "password");
1247         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_KEY, c_val, (strlen(c_val) + 1), 0, 0))
1248                 goto _fail_;
1249
1250         /*   IEEE802.1X Server Address Configuration                             */
1251         /*  ------------------------------------------------------------------   */
1252         /*  Configuration : Radius Server IP Address                             */
1253         /*  Values to set : Any valid IP Address                                 */
1254         /*  ------------------------------------------------------------------   */
1255         c_val[0] = 192;
1256         c_val[1] = 168;
1257         c_val[2] = 1;
1258         c_val[3] = 112;
1259         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
1260                 goto _fail_;
1261
1262         c_val[0] = 3;
1263         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
1264                 goto _fail_;
1265
1266         c_val[0] = 3;
1267         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
1268                 goto _fail_;
1269
1270         c_val[0] = NORMAL_ACK;
1271         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0))
1272                 goto _fail_;
1273
1274         c_val[0] = 0;
1275         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0))
1276                 goto _fail_;
1277
1278         c_val[0] = 48;
1279         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0))
1280                 goto _fail_;
1281
1282         c_val[0] = 28;
1283         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0, 0))
1284                 goto _fail_;
1285
1286         /*  Beacon Interval                                                      */
1287         /*  -------------------------------------------------------------------- */
1288         /*  Configuration : Sets the beacon interval value                       */
1289         /*  Values to set : Any 16-bit value                                     */
1290         /*  -------------------------------------------------------------------- */
1291
1292         *((int *)c_val) = 100;
1293         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
1294                 goto _fail_;
1295
1296         c_val[0] = REKEY_DISABLE;
1297         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_POLICY, c_val, 1, 0, 0))
1298                 goto _fail_;
1299
1300         /*  Rekey Time (s) (Used only when the Rekey policy is 2 or 4)           */
1301         /*  -------------------------------------------------------------------- */
1302         /*  Configuration : Sets the Rekey Time (s)                              */
1303         /*  Values to set : 32-bit value                                         */
1304         /*  -------------------------------------------------------------------- */
1305         *((int *)c_val) = 84600;
1306         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
1307                 goto _fail_;
1308
1309         /*  Rekey Packet Count (in 1000s; used when Rekey Policy is 3)           */
1310         /*  -------------------------------------------------------------------- */
1311         /*  Configuration : Sets Rekey Group Packet count                        */
1312         /*  Values to set : 32-bit Value                                         */
1313         /*  -------------------------------------------------------------------- */
1314         *((int *)c_val) = 500;
1315         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0))
1316                 goto _fail_;
1317
1318         c_val[0] = 1;
1319         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0))
1320                 goto _fail_;
1321
1322         c_val[0] = G_SELF_CTS_PROT;
1323         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
1324                 goto _fail_;
1325
1326         c_val[0] = 1;  /* Enable N */
1327         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0))
1328                 goto _fail_;
1329
1330         c_val[0] = HT_MIXED_MODE;
1331         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OPERATING_MODE, c_val, 1, 0, 0))
1332                 goto _fail_;
1333
1334         c_val[0] = 1;   /* TXOP Prot disable in N mode: No RTS-CTS on TX A-MPDUs to save air-time. */
1335         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0))
1336                 goto _fail_;
1337
1338         memcpy(c_val, mac_add, 6);
1339
1340         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0))
1341                 goto _fail_;
1342
1343         /**
1344          *      AP only
1345          **/
1346         c_val[0] = DETECT_PROTECT_REPORT;
1347         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1, 0, 0))
1348                 goto _fail_;
1349
1350         c_val[0] = RTS_CTS_NONHT_PROT;
1351         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
1352                 goto _fail_;
1353
1354         c_val[0] = 0;
1355         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0))
1356                 goto _fail_;
1357
1358         c_val[0] = MIMO_MODE;
1359         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
1360                 goto _fail_;
1361
1362         c_val[0] = 7;
1363         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0, 0))
1364                 goto _fail_;
1365
1366         c_val[0] = 1; /* Enable N with immediate block ack. */
1367         if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, (u32)pstrWFIDrv))
1368                 goto _fail_;
1369
1370         return 0;
1371
1372 _fail_:
1373         return -1;
1374 }
1375
1376
1377 /**************************/
1378 void wilc1000_wlan_deinit(linux_wlan_t *nic)
1379 {
1380
1381         if (g_linux_wlan->wilc1000_initialized) {
1382
1383                 printk("Deinitializing wilc1000  ...\n");
1384
1385                 if (nic == NULL) {
1386                         PRINT_ER("nic is NULL\n");
1387                         return;
1388                 }
1389
1390 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1391                 /* johnny : remove */
1392                 PRINT_D(INIT_DBG, "skip wilc_bus_set_default_speed\n");
1393 #else
1394                 wilc_bus_set_default_speed();
1395 #endif
1396
1397                 PRINT_D(INIT_DBG, "Disabling IRQ\n");
1398                 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1399                 linux_wlan_disable_irq(IRQ_WAIT);
1400                 #else
1401                   #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1402
1403                   #else
1404                 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1405                 disable_sdio_interrupt();
1406                 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1407                   #endif
1408                 #endif
1409
1410
1411                 /* not sure if the following unlocks are needed or not*/
1412                 if (&g_linux_wlan->rxq_event != NULL) {
1413                         linux_wlan_unlock(&g_linux_wlan->rxq_event);
1414                 }
1415
1416                 if (&g_linux_wlan->txq_event != NULL) {
1417                         linux_wlan_unlock(&g_linux_wlan->txq_event);
1418                 }
1419
1420
1421         #if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1422                 /*Removing the work struct from the linux kernel workqueue*/
1423                 if (&g_linux_wlan->rx_work_queue != NULL)
1424                         flush_work(&g_linux_wlan->rx_work_queue);
1425
1426         #elif (RX_BH_TYPE == RX_BH_KTHREAD)
1427                 /* if(&nic->rx_sem != NULL) */
1428                 /* linux_wlan_unlock(&nic->rx_sem); */
1429         #endif
1430
1431                 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1432                 wlan_deinitialize_threads(nic);
1433
1434                 PRINT_D(INIT_DBG, "Deinitializing IRQ\n");
1435                 deinit_irq(g_linux_wlan);
1436
1437
1438                 if (&g_linux_wlan->oup != NULL) {
1439                         if (g_linux_wlan->oup.wlan_stop != NULL)
1440                                 g_linux_wlan->oup.wlan_stop();
1441                 }
1442
1443                 PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n");
1444                 wilc_wlan_deinit(nic);
1445 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1446   #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1447                 PRINT_D(INIT_DBG, "Disabling IRQ 2\n");
1448
1449                 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1450                 disable_sdio_interrupt();
1451                 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1452   #endif
1453 #endif
1454
1455                 /*De-Initialize locks*/
1456                 PRINT_D(INIT_DBG, "Deinitializing Locks\n");
1457                 wlan_deinit_locks(g_linux_wlan);
1458
1459                 /* announce that wilc1000 is not initialized */
1460                 g_linux_wlan->wilc1000_initialized = 0;
1461
1462                 PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n");
1463
1464         } else {
1465                 PRINT_D(INIT_DBG, "wilc1000 is not initialized\n");
1466         }
1467         return;
1468 }
1469
1470 int wlan_init_locks(linux_wlan_t *p_nic)
1471 {
1472
1473         PRINT_D(INIT_DBG, "Initializing Locks ...\n");
1474
1475         /*initialize mutexes*/
1476         linux_wlan_init_mutex("hif_lock/hif_cs", &g_linux_wlan->hif_cs, 1);
1477         linux_wlan_init_mutex("rxq_lock/rxq_cs", &g_linux_wlan->rxq_cs, 1);
1478         linux_wlan_init_mutex("txq_lock/txq_cs", &g_linux_wlan->txq_cs, 1);
1479
1480         /*Added by Amr - BugID_4720*/
1481         linux_wlan_init_spin_lock("txq_spin_lock/txq_cs", &g_linux_wlan->txq_spinlock, 1);
1482
1483         /*Added by Amr - BugID_4720*/
1484         linux_wlan_init_lock("txq_add_to_head_lock/txq_cs", &g_linux_wlan->txq_add_to_head_cs, 1);
1485
1486         linux_wlan_init_lock("txq_wait/txq_event", &g_linux_wlan->txq_event, 0);
1487         linux_wlan_init_lock("rxq_wait/rxq_event", &g_linux_wlan->rxq_event, 0);
1488
1489         linux_wlan_init_lock("cfg_wait/cfg_event", &g_linux_wlan->cfg_event, 0);
1490         linux_wlan_init_lock("sync_event", &g_linux_wlan->sync_event, 0);
1491
1492         linux_wlan_init_lock("rxq_lock/rxq_started", &g_linux_wlan->rxq_thread_started, 0);
1493         linux_wlan_init_lock("rxq_lock/txq_started", &g_linux_wlan->txq_thread_started, 0);
1494
1495         #if (RX_BH_TYPE == RX_BH_KTHREAD)
1496         linux_wlan_init_lock("BH_SEM", &g_linux_wlan->rx_sem, 0);
1497         #endif
1498
1499         return 0;
1500 }
1501
1502 static int wlan_deinit_locks(linux_wlan_t *nic)
1503 {
1504         PRINT_D(INIT_DBG, "De-Initializing Locks\n");
1505
1506         if (&g_linux_wlan->hif_cs != NULL)
1507                 linux_wlan_deinit_mutex(&g_linux_wlan->hif_cs);
1508
1509         if (&g_linux_wlan->rxq_cs != NULL)
1510                 linux_wlan_deinit_mutex(&g_linux_wlan->rxq_cs);
1511
1512         if (&g_linux_wlan->txq_cs != NULL)
1513                 linux_wlan_deinit_mutex(&g_linux_wlan->txq_cs);
1514
1515         /*Added by Amr - BugID_4720*/
1516         if (&g_linux_wlan->txq_spinlock != NULL)
1517                 linux_wlan_deinit_spin_lock(&g_linux_wlan->txq_spinlock);
1518
1519         if (&g_linux_wlan->rxq_event != NULL)
1520                 linux_wlan_deinit_lock(&g_linux_wlan->rxq_event);
1521
1522         if (&g_linux_wlan->txq_event != NULL)
1523                 linux_wlan_deinit_lock(&g_linux_wlan->txq_event);
1524
1525         /*Added by Amr - BugID_4720*/
1526         if (&g_linux_wlan->txq_add_to_head_cs != NULL)
1527                 linux_wlan_deinit_lock(&g_linux_wlan->txq_add_to_head_cs);
1528
1529         if (&g_linux_wlan->rxq_thread_started != NULL)
1530                 linux_wlan_deinit_lock(&g_linux_wlan->rxq_thread_started);
1531
1532         if (&g_linux_wlan->txq_thread_started != NULL)
1533                 linux_wlan_deinit_lock(&g_linux_wlan->txq_thread_started);
1534
1535         if (&g_linux_wlan->cfg_event != NULL)
1536                 linux_wlan_deinit_lock(&g_linux_wlan->cfg_event);
1537
1538         if (&g_linux_wlan->sync_event != NULL)
1539                 linux_wlan_deinit_lock(&g_linux_wlan->sync_event);
1540
1541         return 0;
1542 }
1543 void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic)
1544 {
1545
1546         PRINT_D(INIT_DBG, "Linux to Wlan services ...\n");
1547
1548         nwi->os_context.hif_critical_section = (void *)&g_linux_wlan->hif_cs;
1549         nwi->os_context.os_private = (void *)nic;
1550         nwi->os_context.tx_buffer_size = LINUX_TX_SIZE;
1551         nwi->os_context.txq_critical_section = (void *)&g_linux_wlan->txq_cs;
1552
1553         /*Added by Amr - BugID_4720*/
1554         nwi->os_context.txq_add_to_head_critical_section = (void *)&g_linux_wlan->txq_add_to_head_cs;
1555
1556         /*Added by Amr - BugID_4720*/
1557         nwi->os_context.txq_spin_lock = (void *)&g_linux_wlan->txq_spinlock;
1558
1559         nwi->os_context.txq_wait_event = (void *)&g_linux_wlan->txq_event;
1560
1561 #if defined (MEMORY_STATIC)
1562         nwi->os_context.rx_buffer_size = LINUX_RX_SIZE;
1563 #endif
1564         nwi->os_context.rxq_critical_section = (void *)&g_linux_wlan->rxq_cs;
1565         nwi->os_context.rxq_wait_event = (void *)&g_linux_wlan->rxq_event;
1566         nwi->os_context.cfg_wait_event = (void *)&g_linux_wlan->cfg_event;
1567
1568         nwi->os_func.os_sleep = linux_wlan_msleep;
1569         nwi->os_func.os_atomic_sleep = linux_wlan_atomic_msleep;
1570         nwi->os_func.os_debug = linux_wlan_dbg;
1571         nwi->os_func.os_malloc = linux_wlan_malloc;
1572         nwi->os_func.os_malloc_atomic = linux_wlan_malloc_atomic;
1573         nwi->os_func.os_free = linux_wlan_free;
1574         nwi->os_func.os_lock = linux_wlan_lock;
1575         nwi->os_func.os_unlock = linux_wlan_unlock;
1576         nwi->os_func.os_wait = linux_wlan_lock_timeout;
1577         nwi->os_func.os_signal = linux_wlan_unlock;
1578         nwi->os_func.os_enter_cs = linux_wlan_lock_mutex;
1579         nwi->os_func.os_leave_cs = linux_wlan_unlock_mutex;
1580
1581         /*Added by Amr - BugID_4720*/
1582         nwi->os_func.os_spin_lock = linux_wlan_spin_lock;
1583         nwi->os_func.os_spin_unlock = linux_wlan_spin_unlock;
1584
1585 #ifdef WILC_SDIO
1586         nwi->io_func.io_type = HIF_SDIO;
1587         nwi->io_func.io_init = linux_sdio_init;
1588         nwi->io_func.io_deinit = linux_sdio_deinit;
1589         nwi->io_func.u.sdio.sdio_cmd52 = linux_sdio_cmd52;
1590         nwi->io_func.u.sdio.sdio_cmd53 = linux_sdio_cmd53;
1591         nwi->io_func.u.sdio.sdio_set_max_speed = linux_sdio_set_max_speed;
1592         nwi->io_func.u.sdio.sdio_set_default_speed = linux_sdio_set_default_speed;
1593 #else
1594         nwi->io_func.io_type = HIF_SPI;
1595         nwi->io_func.io_init = linux_spi_init;
1596         nwi->io_func.io_deinit = linux_spi_deinit;
1597         nwi->io_func.u.spi.spi_tx = linux_spi_write;
1598         nwi->io_func.u.spi.spi_rx = linux_spi_read;
1599         nwi->io_func.u.spi.spi_trx = linux_spi_write_read;
1600         nwi->io_func.u.spi.spi_max_speed = linux_spi_set_max_speed;
1601 #endif
1602
1603         /*for now - to be revised*/
1604         #ifdef WILC_FULLY_HOSTING_AP
1605         /* incase of Fully hosted AP, all non cfg pkts are processed here*/
1606         nwi->net_func.rx_indicate = WILC_Process_rx_frame;
1607         #else
1608         nwi->net_func.rx_indicate = frmw_to_linux;
1609         #endif
1610         nwi->net_func.rx_complete = linux_wlan_rx_complete;
1611         nwi->indicate_func.mac_indicate = linux_wlan_mac_indicate;
1612 }
1613
1614 int wlan_initialize_threads(perInterface_wlan_t *nic)
1615 {
1616
1617         int ret = 0;
1618         PRINT_D(INIT_DBG, "Initializing Threads ...\n");
1619
1620 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1621         /*Initialize rx work queue task*/
1622         INIT_WORK(&g_linux_wlan->rx_work_queue, isr_bh_routine);
1623 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
1624         PRINT_D(INIT_DBG, "Creating kthread for Rxq BH\n");
1625         g_linux_wlan->rx_bh_thread = kthread_run(isr_bh_routine, (void *)g_linux_wlan, "K_RXQ_BH");
1626         if (g_linux_wlan->rx_bh_thread == 0) {
1627                 PRINT_ER("couldn't create RX BH thread\n");
1628                 ret = -ENOBUFS;
1629                 goto _fail_;
1630         }
1631 #endif
1632
1633 #ifndef TCP_ENHANCEMENTS
1634         /* create rx task */
1635         PRINT_D(INIT_DBG, "Creating kthread for reception\n");
1636         g_linux_wlan->rxq_thread = kthread_run(linux_wlan_rxq_task, (void *)g_linux_wlan, "K_RXQ_TASK");
1637         if (g_linux_wlan->rxq_thread == 0) {
1638                 PRINT_ER("couldn't create RXQ thread\n");
1639                 ret = -ENOBUFS;
1640                 goto _fail_1;
1641         }
1642
1643         /* wait for RXQ task to start. */
1644         linux_wlan_lock(&g_linux_wlan->rxq_thread_started);
1645
1646 #endif
1647
1648         /* create tx task */
1649         PRINT_D(INIT_DBG, "Creating kthread for transmission\n");
1650         g_linux_wlan->txq_thread = kthread_run(linux_wlan_txq_task, (void *)g_linux_wlan, "K_TXQ_TASK");
1651         if (g_linux_wlan->txq_thread == 0) {
1652                 PRINT_ER("couldn't create TXQ thread\n");
1653                 ret = -ENOBUFS;
1654                 goto _fail_2;
1655         }
1656 #ifdef DEBUG_MODE
1657         PRINT_D(INIT_DBG, "Creating kthread for Debugging\n");
1658         g_linux_wlan->txq_thread = kthread_run(DebuggingThreadTask, (void *)g_linux_wlan, "DebugThread");
1659         if (g_linux_wlan->txq_thread == 0) {
1660                 PRINT_ER("couldn't create TXQ thread\n");
1661                 ret = -ENOBUFS;
1662                 goto _fail_2;
1663         }
1664 #endif
1665         /* wait for TXQ task to start. */
1666         linux_wlan_lock(&g_linux_wlan->txq_thread_started);
1667
1668         return 0;
1669
1670 _fail_2:
1671         /*De-Initialize 2nd thread*/
1672         g_linux_wlan->close = 1;
1673         linux_wlan_unlock(&g_linux_wlan->rxq_event);
1674         kthread_stop(g_linux_wlan->rxq_thread);
1675
1676 #ifndef TCP_ENHANCEMENTS
1677 _fail_1:
1678 #endif
1679         #if (RX_BH_TYPE == RX_BH_KTHREAD)
1680         /*De-Initialize 1st thread*/
1681         g_linux_wlan->close = 1;
1682         linux_wlan_unlock(&g_linux_wlan->rx_sem);
1683         kthread_stop(g_linux_wlan->rx_bh_thread);
1684 _fail_:
1685         #endif
1686         g_linux_wlan->close = 0;
1687         return ret;
1688 }
1689
1690 static void wlan_deinitialize_threads(linux_wlan_t *nic)
1691 {
1692
1693         g_linux_wlan->close = 1;
1694         PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1695         if (&g_linux_wlan->rxq_event != NULL)
1696                 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1697
1698
1699         if (g_linux_wlan->rxq_thread != NULL) {
1700                 kthread_stop(g_linux_wlan->rxq_thread);
1701                 g_linux_wlan->rxq_thread = NULL;
1702         }
1703
1704
1705         if (&g_linux_wlan->txq_event != NULL)
1706                 linux_wlan_unlock(&g_linux_wlan->txq_event);
1707
1708
1709         if (g_linux_wlan->txq_thread != NULL) {
1710                 kthread_stop(g_linux_wlan->txq_thread);
1711                 g_linux_wlan->txq_thread = NULL;
1712         }
1713
1714         #if (RX_BH_TYPE == RX_BH_KTHREAD)
1715         if (&g_linux_wlan->rx_sem != NULL)
1716                 linux_wlan_unlock(&g_linux_wlan->rx_sem);
1717
1718         if (g_linux_wlan->rx_bh_thread != NULL) {
1719                 kthread_stop(g_linux_wlan->rx_bh_thread);
1720                 g_linux_wlan->rx_bh_thread = NULL;
1721         }
1722         #endif
1723 }
1724
1725 #ifdef STATIC_MACADDRESS
1726 const char *path_string[] = {
1727         "/etc/wlan",
1728         "/data/wlan",
1729 };
1730
1731 static int linux_wlan_read_mac_addr(void *vp)
1732 {
1733         int ret = 0;
1734         struct file *fp = (struct file *)-ENOENT;
1735         mm_segment_t old_fs;
1736         loff_t pos = 0;
1737         int index;
1738         int array_size = ARRAY_SIZE(path_string);
1739
1740         /* change to KERNEL_DS address limit */
1741         old_fs = get_fs();
1742         set_fs(KERNEL_DS);
1743
1744         for (index = 0; index < array_size; index++) {
1745                 fp = filp_open(path_string[index], O_WRONLY, 0640);
1746                 if (!fp) {
1747                         ret = -1;
1748                         goto exit;
1749                 }
1750
1751                 /*No such file or directory */
1752                 if (IS_ERR(fp) || !fp->f_op) {
1753                         get_random_bytes(&mac_add[3], 3);
1754                         /* open file to write */
1755                         fp = filp_open(path_string[index], O_WRONLY | O_CREAT, 0640);
1756
1757                         if (!fp || IS_ERR(fp)) {
1758                                 ret = -1;
1759                                 continue;
1760                         } else {
1761                                 /* write buf to file */
1762                                 fp->f_op->write(fp, mac_add, 6, &pos);
1763                                 break;
1764                         }
1765                 } else {
1766                         /* read file to buf */
1767                         fp->f_op->read(fp, mac_add, 6, &pos);
1768                         break;
1769                 }
1770         }
1771
1772         if (index == array_size) {
1773                 PRINT_ER("random MAC\n");
1774         }
1775
1776 exit:
1777         if (fp && !IS_ERR(fp)) {
1778                 filp_close(fp, NULL);
1779         }
1780
1781         set_fs(old_fs);
1782
1783         return ret;
1784 }
1785 #endif
1786
1787 #ifdef COMPLEMENT_BOOT
1788
1789 extern volatile int probe;
1790 extern uint8_t core_11b_ready(void);
1791
1792 #define READY_CHECK_THRESHOLD           30
1793 extern void wilc_wlan_global_reset(void);
1794 uint8_t wilc1000_prepare_11b_core(wilc_wlan_inp_t *nwi, wilc_wlan_oup_t *nwo, linux_wlan_t *nic)
1795 {
1796         uint8_t trials = 0;
1797         while ((core_11b_ready() && (READY_CHECK_THRESHOLD > (trials++)))) {
1798                 PRINT_D(INIT_DBG, "11b core not ready yet: %u\n", trials);
1799                 wilc_wlan_deinit(nic);
1800                 wilc_wlan_global_reset();
1801                 sdio_unregister_driver(&wilc_bus);
1802
1803                 linux_wlan_device_detection(0);
1804
1805                 mdelay(100);
1806
1807                 linux_wlan_device_detection(1);
1808
1809                 sdio_register_driver(&wilc_bus);
1810
1811                 while (!probe) {
1812                         msleep(100);
1813                 }
1814                 probe = 0;
1815                 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1816                 linux_to_wlan(nwi, nic);
1817                 wilc_wlan_init(nwi, nwo);
1818         }
1819
1820         if (READY_CHECK_THRESHOLD <= trials)
1821                 return 1;
1822         else
1823                 return 0;
1824
1825 }
1826
1827 int repeat_power_cycle(perInterface_wlan_t *nic)
1828 {
1829         int ret = 0;
1830         wilc_wlan_inp_t nwi;
1831         wilc_wlan_oup_t nwo;
1832         sdio_unregister_driver(&wilc_bus);
1833
1834         linux_wlan_device_detection(0);
1835         linux_wlan_device_power(0);
1836         msleep(100);
1837         linux_wlan_device_power(1);
1838         msleep(80);
1839         linux_wlan_device_detection(1);
1840         msleep(20);
1841
1842         sdio_register_driver(&wilc_bus);
1843
1844         /* msleep(1000); */
1845         while (!probe) {
1846                 msleep(100);
1847         }
1848         probe = 0;
1849         g_linux_wlan->wilc_sdio_func = local_sdio_func;
1850         linux_to_wlan(&nwi, g_linux_wlan);
1851         ret = wilc_wlan_init(&nwi, &nwo);
1852
1853         g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1854         #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1855         enable_sdio_interrupt();
1856         #endif
1857
1858         if (linux_wlan_get_firmware(nic)) {
1859                 PRINT_ER("Can't get firmware \n");
1860                 ret = -1;
1861                 goto __fail__;
1862         }
1863
1864         /*Download firmware*/
1865         ret = linux_wlan_firmware_download(g_linux_wlan);
1866         if (ret < 0) {
1867                 PRINT_ER("Failed to download firmware\n");
1868                 goto __fail__;
1869         }
1870         /* Start firmware*/
1871         ret = linux_wlan_start_firmware(nic);
1872         if (ret < 0) {
1873                 PRINT_ER("Failed to start firmware\n");
1874         }
1875 __fail__:
1876         return ret;
1877 }
1878 #endif
1879
1880 int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic)
1881 {
1882         wilc_wlan_inp_t nwi;
1883         wilc_wlan_oup_t nwo;
1884         perInterface_wlan_t *nic = p_nic;
1885         int ret = 0;
1886
1887         if (!g_linux_wlan->wilc1000_initialized) {
1888                 g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1889                 g_linux_wlan->close = 0;
1890                 g_linux_wlan->wilc1000_initialized = 0;
1891
1892                 wlan_init_locks(g_linux_wlan);
1893
1894 #ifdef STATIC_MACADDRESS
1895                 wilc_mac_thread = kthread_run(linux_wlan_read_mac_addr, NULL, "wilc_mac_thread");
1896                 if (wilc_mac_thread < 0) {
1897                         PRINT_ER("couldn't create Mac addr thread\n");
1898                 }
1899 #endif
1900
1901                 linux_to_wlan(&nwi, g_linux_wlan);
1902
1903                 ret = wilc_wlan_init(&nwi, &nwo);
1904                 if (ret < 0) {
1905                         PRINT_ER("Initializing WILC_Wlan FAILED\n");
1906                         ret = -EIO;
1907                         goto _fail_locks_;
1908                 }
1909                 memcpy(&g_linux_wlan->oup, &nwo, sizeof(wilc_wlan_oup_t));
1910
1911                 /*Save the oup structre into global pointer*/
1912                 gpstrWlanOps = &g_linux_wlan->oup;
1913
1914
1915                 ret = wlan_initialize_threads(nic);
1916                 if (ret < 0) {
1917                         PRINT_ER("Initializing Threads FAILED\n");
1918                         ret = -EIO;
1919                         goto _fail_wilc_wlan_;
1920                 }
1921
1922 #if (defined WILC_SDIO) && (defined COMPLEMENT_BOOT)
1923                 if (wilc1000_prepare_11b_core(&nwi, &nwo, g_linux_wlan)) {
1924                         PRINT_ER("11b Core is not ready\n");
1925                         ret = -EIO;
1926                         goto _fail_threads_;
1927                 }
1928 #endif
1929
1930 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1931                 if (init_irq(g_linux_wlan)) {
1932                         PRINT_ER("couldn't initialize IRQ\n");
1933                         ret = -EIO;
1934                         goto _fail_threads_;
1935                 }
1936 #endif
1937
1938 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1939                 if (enable_sdio_interrupt()) {
1940                         PRINT_ER("couldn't initialize IRQ\n");
1941                         ret = -EIO;
1942                         goto _fail_irq_init_;
1943                 }
1944 #endif
1945
1946                 if (linux_wlan_get_firmware(nic)) {
1947                         PRINT_ER("Can't get firmware \n");
1948                         ret = -EIO;
1949                         goto _fail_irq_enable_;
1950                 }
1951
1952
1953                 /*Download firmware*/
1954                 ret = linux_wlan_firmware_download(g_linux_wlan);
1955                 if (ret < 0) {
1956                         PRINT_ER("Failed to download firmware\n");
1957                         ret = -EIO;
1958                         goto _fail_irq_enable_;
1959                 }
1960
1961                 /* Start firmware*/
1962                 ret = linux_wlan_start_firmware(nic);
1963                 if (ret < 0) {
1964                         PRINT_ER("Failed to start firmware\n");
1965                         ret = -EIO;
1966                         goto _fail_irq_enable_;
1967                 }
1968
1969                 wilc_bus_set_max_speed();
1970
1971                 if (g_linux_wlan->oup.wlan_cfg_get(1, WID_FIRMWARE_VERSION, 1, 0)) {
1972                         int size;
1973                         char Firmware_ver[20];
1974                         size = g_linux_wlan->oup.wlan_cfg_get_value(
1975                                         WID_FIRMWARE_VERSION,
1976                                         Firmware_ver, sizeof(Firmware_ver));
1977                         Firmware_ver[size] = '\0';
1978                         PRINT_D(INIT_DBG, "***** Firmware Ver = %s  *******\n", Firmware_ver);
1979                 }
1980                 /* Initialize firmware with default configuration */
1981                 ret = linux_wlan_init_test_config(dev, g_linux_wlan);
1982
1983                 if (ret < 0) {
1984                         PRINT_ER("Failed to configure firmware\n");
1985                         ret = -EIO;
1986                         goto _fail_fw_start_;
1987                 }
1988
1989                 g_linux_wlan->wilc1000_initialized = 1;
1990                 return 0; /*success*/
1991
1992
1993 _fail_fw_start_:
1994                 if (&g_linux_wlan->oup != NULL) {
1995                         if (g_linux_wlan->oup.wlan_stop != NULL)
1996                                 g_linux_wlan->oup.wlan_stop();
1997                 }
1998
1999 _fail_irq_enable_:
2000 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
2001                 disable_sdio_interrupt();
2002 _fail_irq_init_:
2003 #endif
2004 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
2005                 deinit_irq(g_linux_wlan);
2006
2007 #endif
2008 _fail_threads_:
2009                 wlan_deinitialize_threads(g_linux_wlan);
2010 _fail_wilc_wlan_:
2011                 wilc_wlan_deinit(g_linux_wlan);
2012 _fail_locks_:
2013                 wlan_deinit_locks(g_linux_wlan);
2014                 PRINT_ER("WLAN Iinitialization FAILED\n");
2015         } else {
2016                 PRINT_D(INIT_DBG, "wilc1000 already initialized\n");
2017         }
2018         return ret;
2019 }
2020
2021
2022 /*
2023  *      - this function will be called automatically by OS when module inserted.
2024  */
2025
2026 #if !defined (NM73131_0_BOARD)
2027 int mac_init_fn(struct net_device *ndev)
2028 {
2029
2030         /*Why we do this !!!*/
2031         netif_start_queue(ndev); /* ma */
2032         netif_stop_queue(ndev); /* ma */
2033
2034         return 0;
2035 }
2036 #else
2037 int mac_init_fn(struct net_device *ndev)
2038 {
2039
2040         unsigned char mac_add[] = {0x00, 0x50, 0xc2, 0x5e, 0x10, 0x00};
2041         /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
2042         memcpy(ndev->dev_addr, mac_add, 6);
2043
2044         if (!is_valid_ether_addr(ndev->dev_addr)) {
2045                 PRINT_ER("Error: Wrong MAC address\n");
2046                 return -EINVAL;
2047         }
2048
2049         return 0;
2050 }
2051 #endif
2052
2053
2054 void    WILC_WFI_frame_register(struct wiphy *wiphy, struct net_device *dev,
2055                                 u16 frame_type, bool reg);
2056
2057 /* This fn is called, when this device is setup using ifconfig */
2058 #if !defined (NM73131_0_BOARD)
2059 int mac_open(struct net_device *ndev)
2060 {
2061         perInterface_wlan_t *nic;
2062
2063         /*BugID_5213*/
2064         /*No need for setting mac address here anymore,*/
2065         /*Just set it in init_test_config()*/
2066         unsigned char mac_add[ETH_ALEN] = {0};
2067         int ret = 0;
2068         int i = 0;
2069         struct WILC_WFI_priv *priv;
2070
2071         nic = netdev_priv(ndev);
2072         priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2073         PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev);
2074
2075         #ifdef USE_WIRELESS
2076         ret = WILC_WFI_InitHostInt(ndev);
2077         if (ret < 0) {
2078                 PRINT_ER("Failed to initialize host interface\n");
2079
2080                 return ret;
2081         }
2082         #endif
2083
2084         /*initialize platform*/
2085         PRINT_D(INIT_DBG, "*** re-init ***\n");
2086         ret = wilc1000_wlan_init(ndev, nic);
2087         if (ret < 0) {
2088                 PRINT_ER("Failed to initialize wilc1000\n");
2089                 WILC_WFI_DeInitHostInt(ndev);
2090                 return ret;
2091         }
2092
2093         Set_machw_change_vir_if(WILC_FALSE);
2094
2095         host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add);
2096         PRINT_D(INIT_DBG, "Mac address: %x:%x:%x:%x:%x:%x\n", mac_add[0], mac_add[1], mac_add[2],
2097                 mac_add[3], mac_add[4], mac_add[5]);
2098
2099         /* loop through the NUM of supported devices and set the MAC address */
2100         for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2101                 if (ndev == g_linux_wlan->strInterfaceInfo[i].wilc_netdev) {
2102                         memcpy(g_linux_wlan->strInterfaceInfo[i].aSrcAddress, mac_add, ETH_ALEN);
2103                         g_linux_wlan->strInterfaceInfo[i].drvHandler = (u32)priv->hWILCWFIDrv;
2104                         break;
2105                 }
2106         }
2107
2108         /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
2109         memcpy(ndev->dev_addr, g_linux_wlan->strInterfaceInfo[i].aSrcAddress, ETH_ALEN);
2110
2111         if (!is_valid_ether_addr(ndev->dev_addr)) {
2112                 PRINT_ER("Error: Wrong MAC address\n");
2113                 ret = -EINVAL;
2114                 goto _err_;
2115         }
2116
2117
2118         WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2119                                 nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg);
2120         WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2121                                 nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg);
2122         netif_wake_queue(ndev);
2123         g_linux_wlan->open_ifcs++;
2124         nic->mac_opened = 1;
2125         return 0;
2126
2127 _err_:
2128         WILC_WFI_DeInitHostInt(ndev);
2129         wilc1000_wlan_deinit(g_linux_wlan);
2130         return ret;
2131 }
2132 #else
2133 int mac_open(struct net_device *ndev)
2134 {
2135
2136         linux_wlan_t *nic;
2137         nic = netdev_priv(ndev);
2138
2139         /*initialize platform*/
2140         if (wilc1000_wlan_init(nic)) {
2141                 PRINT_ER("Failed to initialize platform\n");
2142                 return 1;
2143         }
2144         /* Start the network interface queue for this device */
2145         PRINT_D(INIT_DBG, "Starting netifQ\n");
2146         netif_start_queue(ndev);
2147 /*      linux_wlan_lock(&close_exit_sync); */
2148         return 0;
2149 }
2150 #endif
2151
2152 struct net_device_stats *mac_stats(struct net_device *dev)
2153 {
2154         perInterface_wlan_t *nic = netdev_priv(dev);
2155
2156
2157         return &nic->netstats;
2158 }
2159
2160 /* Setup the multicast filter */
2161 static void wilc_set_multicast_list(struct net_device *dev)
2162 {
2163
2164         struct netdev_hw_addr *ha;
2165         struct WILC_WFI_priv *priv;
2166         tstrWILC_WFIDrv *pstrWFIDrv;
2167         int i = 0;
2168         priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
2169         pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2170
2171
2172         if (!dev)
2173                 return;
2174
2175         PRINT_D(INIT_DBG, "Setting Multicast List with count = %d. \n", dev->mc.count);
2176
2177         if (dev->flags & IFF_PROMISC) {
2178                 /* Normally, we should configure the chip to retrive all packets
2179                  * but we don't wanna support this right now */
2180                 /* TODO: add promiscuous mode support */
2181                 PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets \n");
2182                 return;
2183         }
2184
2185         /* If there's more addresses than we handle, get all multicast
2186          * packets and sort them out in software. */
2187         if ((dev->flags & IFF_ALLMULTI) || (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
2188                 PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n");
2189                 /* get all multicast packets */
2190                 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, WILC_FALSE, 0);
2191                 return;
2192         }
2193
2194         /* No multicast?  Just get our own stuff */
2195         if ((dev->mc.count) == 0) {
2196                 PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n");
2197                 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, WILC_TRUE, 0);
2198                 return;
2199         }
2200
2201         /* Store all of the multicast addresses in the hardware filter */
2202         netdev_for_each_mc_addr(ha, dev)
2203         {
2204                 WILC_memcpy(gau8MulticastMacAddrList[i], ha->addr, ETH_ALEN);
2205                 PRINT_D(INIT_DBG, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
2206                         gau8MulticastMacAddrList[i][0], gau8MulticastMacAddrList[i][1], gau8MulticastMacAddrList[i][2], gau8MulticastMacAddrList[i][3], gau8MulticastMacAddrList[i][4], gau8MulticastMacAddrList[i][5]);
2207                 i++;
2208         }
2209
2210         host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, WILC_TRUE, (dev->mc.count));
2211
2212         return;
2213
2214 }
2215
2216 static void linux_wlan_tx_complete(void *priv, int status)
2217 {
2218
2219         struct tx_complete_data *pv_data = (struct tx_complete_data *)priv;
2220         if (status == 1) {
2221                 PRINT_D(TX_DBG, "Packet sent successfully - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
2222         } else {
2223                 PRINT_D(TX_DBG, "Couldn't send packet - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
2224         }
2225         /* Free the SK Buffer, its work is done */
2226         dev_kfree_skb(pv_data->skb);
2227         linux_wlan_free(pv_data);
2228 }
2229
2230 int mac_xmit(struct sk_buff *skb, struct net_device *ndev)
2231 {
2232         perInterface_wlan_t *nic;
2233         struct tx_complete_data *tx_data = NULL;
2234         int QueueCount;
2235         char *pu8UdpBuffer;
2236         struct iphdr *ih;
2237         struct ethhdr *eth_h;
2238         nic = netdev_priv(ndev);
2239
2240         PRINT_D(INT_DBG, "\n========\n IntUH: %d - IntBH: %d - IntCld: %d \n========\n", int_rcvdU, int_rcvdB, int_clrd);
2241         PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n");
2242
2243         /* Stop the network interface queue */
2244         if (skb->dev != ndev) {
2245                 PRINT_ER("Packet not destined to this device\n");
2246                 return 0;
2247         }
2248
2249         tx_data = (struct tx_complete_data *)internal_alloc(sizeof(struct tx_complete_data), GFP_ATOMIC);
2250         if (tx_data == NULL) {
2251                 PRINT_ER("Failed to allocate memory for tx_data structure\n");
2252                 dev_kfree_skb(skb);
2253                 netif_wake_queue(ndev);
2254                 return 0;
2255         }
2256
2257         tx_data->buff = skb->data;
2258         tx_data->size = skb->len;
2259         tx_data->skb  = skb;
2260
2261         eth_h = (struct ethhdr *)(skb->data);
2262         if (eth_h->h_proto == 0x8e88) {
2263                 PRINT_D(INIT_DBG, "EAPOL transmitted\n");
2264         }
2265
2266         /*get source and dest ip addresses*/
2267         ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2268
2269         pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
2270         if ((pu8UdpBuffer[1] == 68 && pu8UdpBuffer[3] == 67) || (pu8UdpBuffer[1] == 67 && pu8UdpBuffer[3] == 68)) {
2271                 PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n", pu8UdpBuffer[248], pu8UdpBuffer[249], pu8UdpBuffer[250]);
2272
2273         }
2274         PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb);
2275
2276         /* Send packet to MAC HW - for now the tx_complete function will be just status
2277          * indicator. still not sure if I need to suspend host transmission till the tx_complete
2278          * function called or not?
2279          * allocated buffer will be freed in tx_complete function.
2280          */
2281         PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n");
2282         nic->netstats.tx_packets++;
2283         nic->netstats.tx_bytes += tx_data->size;
2284         tx_data->pBssid = g_linux_wlan->strInterfaceInfo[nic->u8IfIdx].aBSSID;
2285         #ifndef WILC_FULLY_HOSTING_AP
2286         QueueCount = g_linux_wlan->oup.wlan_add_to_tx_que((void *)tx_data,
2287                                                           tx_data->buff,
2288                                                           tx_data->size,
2289                                                           linux_wlan_tx_complete);
2290         #else
2291         QueueCount = WILC_Xmit_data((void *)tx_data, HOST_TO_WLAN);
2292         #endif /* WILC_FULLY_HOSTING_AP */
2293
2294
2295         if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) {
2296                 netif_stop_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
2297                 netif_stop_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
2298         }
2299
2300         return 0;
2301 }
2302
2303
2304 int mac_close(struct net_device *ndev)
2305 {
2306         struct WILC_WFI_priv *priv;
2307         perInterface_wlan_t *nic;
2308         tstrWILC_WFIDrv *pstrWFIDrv;
2309
2310         nic = netdev_priv(ndev);
2311
2312         if ((nic == NULL) || (nic->wilc_netdev == NULL) || (nic->wilc_netdev->ieee80211_ptr == NULL) || (nic->wilc_netdev->ieee80211_ptr->wiphy == NULL)) {
2313                 PRINT_ER("nic = NULL\n");
2314                 return 0;
2315         }
2316
2317         priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2318
2319         if (priv == NULL) {
2320                 PRINT_ER("priv = NULL\n");
2321                 return 0;
2322         }
2323
2324         pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2325
2326
2327
2328         PRINT_D(GENERIC_DBG, "Mac close\n");
2329
2330         if (g_linux_wlan == NULL) {
2331                 PRINT_ER("g_linux_wlan = NULL\n");
2332                 return 0;
2333         }
2334
2335         if (pstrWFIDrv == NULL) {
2336                 PRINT_ER("pstrWFIDrv = NULL\n");
2337                 return 0;
2338         }
2339
2340         if ((g_linux_wlan->open_ifcs) > 0) {
2341                 g_linux_wlan->open_ifcs--;
2342         } else {
2343                 PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n");
2344                 return 0;
2345         }
2346
2347         if (nic->wilc_netdev != NULL) {
2348                 /* Stop the network interface queue */
2349                 netif_stop_queue(nic->wilc_netdev);
2350
2351                 #ifdef USE_WIRELESS
2352                 WILC_WFI_DeInitHostInt(nic->wilc_netdev);
2353                 #endif
2354         }
2355
2356         if (g_linux_wlan->open_ifcs == 0) {
2357                 PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n");
2358                 g_linux_wlan->close = 1;
2359                 wilc1000_wlan_deinit(g_linux_wlan);
2360                 #ifdef USE_WIRELESS
2361                 #ifdef WILC_AP_EXTERNAL_MLME
2362                 WILC_WFI_deinit_mon_interface();
2363                 #endif
2364                 #endif
2365         }
2366
2367         linux_wlan_unlock(&close_exit_sync);
2368         nic->mac_opened = 0;
2369
2370         return 0;
2371 }
2372
2373
2374 int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
2375 {
2376
2377         u8 *buff = NULL;
2378         WILC_Sint8 rssi;
2379         u32 size = 0, length = 0;
2380         perInterface_wlan_t *nic;
2381         struct WILC_WFI_priv *priv;
2382         WILC_Sint32 s32Error = WILC_SUCCESS;
2383
2384
2385
2386         /* struct iwreq *wrq = (struct iwreq *) req;    // tony moved to case SIOCSIWPRIV */
2387         #ifdef USE_WIRELESS
2388         nic = netdev_priv(ndev);
2389
2390         if (!g_linux_wlan->wilc1000_initialized)
2391                 return 0;
2392
2393         #endif
2394
2395         switch (cmd) {
2396         /* [[ added by tony for SIOCDEVPRIVATE */
2397         case SIOCDEVPRIVATE + 1:
2398         {
2399                 android_wifi_priv_cmd priv_cmd;
2400
2401                 PRINT_INFO(GENERIC_DBG, "in SIOCDEVPRIVATE+1\n");
2402
2403                 if (copy_from_user(&priv_cmd, req->ifr_data, sizeof(android_wifi_priv_cmd))) {
2404                         s32Error = -EFAULT;
2405                         goto done;
2406                 }
2407
2408                 buff = kmalloc(priv_cmd.total_len, GFP_KERNEL);
2409                 if (!buff) {
2410                         s32Error = -ENOMEM;
2411                         goto done;
2412                 }
2413
2414                 if (copy_from_user(buff, priv_cmd.buf, priv_cmd.total_len)) {
2415                         s32Error = -EFAULT;
2416                         goto done;
2417                 }
2418
2419                 PRINT_INFO(GENERIC_DBG, "%s: Android private cmd \"%s\" on %s\n", __FUNCTION__, buff, req->ifr_name);
2420
2421                 if (strncasecmp(buff, "SCAN-ACTIVE", strlen("SCAN-ACTIVE")) == 0) {
2422                         PRINT_INFO(GENERIC_DBG, "%s, SCAN-ACTIVE command\n", __FUNCTION__);
2423                 } else if (strncasecmp(buff, "SCAN-PASSIVE", strlen("SCAN-PASSIVE")) == 0)  {
2424                         PRINT_INFO(GENERIC_DBG, "%s, SCAN-PASSIVE command\n", __FUNCTION__);
2425                 } else if (strncasecmp(buff, "RXFILTER-START", strlen("RXFILTER-START")) == 0)  {
2426                         PRINT_INFO(GENERIC_DBG, "%s, RXFILTER-START command\n", __FUNCTION__);
2427                 } else if (strncasecmp(buff, "RXFILTER-STOP", strlen("RXFILTER-STOP")) == 0)  {
2428                         PRINT_INFO(GENERIC_DBG, "%s, RXFILTER-STOP command\n", __FUNCTION__);
2429                 } else if (strncasecmp(buff, "RXFILTER-ADD", strlen("RXFILTER-ADD")) == 0)  {
2430                         int filter_num = *(buff + strlen("RXFILTER-ADD") + 1) - '0';
2431                         PRINT_INFO(GENERIC_DBG, "%s, RXFILTER-ADD command, filter_num=%d\n", __FUNCTION__, filter_num);
2432                 } else if (strncasecmp(buff, "RXFILTER-REMOVE", strlen("RXFILTER-REMOVE")) == 0)  {
2433                         int filter_num = *(buff + strlen("RXFILTER-REMOVE") + 1) - '0';
2434                         PRINT_INFO(GENERIC_DBG, "%s, RXFILTER-REMOVE command, filter_num=%d\n", __FUNCTION__, filter_num);
2435                 } else if (strncasecmp(buff, "BTCOEXSCAN-START", strlen("BTCOEXSCAN-START")) == 0)  {
2436                         PRINT_INFO(GENERIC_DBG, "%s, BTCOEXSCAN-START command\n", __FUNCTION__);
2437                 } else if (strncasecmp(buff, "BTCOEXSCAN-STOP", strlen("BTCOEXSCAN-STOP")) == 0)  {
2438                         PRINT_INFO(GENERIC_DBG, "%s, BTCOEXSCAN-STOP command\n", __FUNCTION__);
2439                 } else if (strncasecmp(buff, "BTCOEXMODE", strlen("BTCOEXMODE")) == 0)  {
2440                         PRINT_INFO(GENERIC_DBG, "%s, BTCOEXMODE command\n", __FUNCTION__);
2441                 } else if (strncasecmp(buff, "SETBAND", strlen("SETBAND")) == 0)  {
2442                         uint band = *(buff + strlen("SETBAND") + 1) - '0';
2443                         PRINT_INFO(GENERIC_DBG, "%s, SETBAND command, band=%d\n", __FUNCTION__, band);
2444                 } else if (strncasecmp(buff, "GETBAND", strlen("GETBAND")) == 0)  {
2445                         PRINT_INFO(GENERIC_DBG, "%s, GETBAND command\n", __FUNCTION__);
2446                 } else if (strncasecmp(buff, "COUNTRY", strlen("COUNTRY")) == 0)  {
2447                         char *country_code = buff + strlen("COUNTRY") + 1;
2448                         PRINT_INFO(GENERIC_DBG, "%s, COUNTRY command, country_code=%s\n", __FUNCTION__, country_code);
2449                 } else {
2450                         PRINT_INFO(GENERIC_DBG, "%s, Unknown command\n", __FUNCTION__);
2451                 }
2452         } break;
2453
2454         /* ]] 2013-06-24 */
2455         case SIOCSIWPRIV:
2456         {
2457                 struct iwreq *wrq = (struct iwreq *) req;               /* added by tony */
2458
2459                 size = wrq->u.data.length;
2460
2461                 if (size && wrq->u.data.pointer) {
2462                         buff = kmalloc(size, GFP_KERNEL);
2463                         if (!buff) {
2464                                 s32Error = -ENOMEM;
2465                                 goto done;
2466                         }
2467
2468                         if (copy_from_user
2469                                     (buff, wrq->u.data.pointer,
2470                                     wrq->u.data.length)) {
2471                                 s32Error = -EFAULT;
2472                                 goto done;
2473                         }
2474
2475                         if (strncasecmp(buff, "RSSI", length) == 0) {
2476
2477                                         #ifdef USE_WIRELESS
2478                                 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2479                                 s32Error = host_int_get_rssi(priv->hWILCWFIDrv, &(rssi));
2480                                 if (s32Error)
2481                                         PRINT_ER("Failed to send get rssi param's message queue ");
2482                                         #endif
2483                                 PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi);
2484
2485                                 /*Rounding up the rssi negative value*/
2486                                 rssi += 5;
2487
2488                                 snprintf(buff, size, "rssi %d", rssi);
2489
2490                                 if (copy_to_user(wrq->u.data.pointer, buff, size)) {
2491                                         PRINT_ER("%s: failed to copy data to user buffer\n", __FUNCTION__);
2492                                         s32Error = -EFAULT;
2493                                         goto done;
2494                                 }
2495                         }
2496                 }
2497         }
2498         break;
2499
2500         default:
2501         {
2502                 PRINT_INFO(GENERIC_DBG, "Command - %d - has been received\n", cmd);
2503                 s32Error = -EOPNOTSUPP;
2504                 goto done;
2505         }
2506         }
2507
2508 done:
2509
2510         if (buff != NULL) {
2511                 kfree(buff);
2512         }
2513
2514         return s32Error;
2515 }
2516
2517 void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset)
2518 {
2519
2520         unsigned int frame_len = 0;
2521         int stats;
2522         unsigned char *buff_to_send = NULL;
2523         struct sk_buff *skb;
2524 #ifndef TCP_ENHANCEMENTS
2525         char *pu8UdpBuffer;
2526         struct iphdr *ih;
2527 #endif
2528         struct net_device *wilc_netdev;
2529         perInterface_wlan_t *nic;
2530
2531         wilc_netdev = GetIfHandler(buff);
2532         if (wilc_netdev == NULL)
2533                 return;
2534
2535         buff += pkt_offset;
2536         nic = netdev_priv(wilc_netdev);
2537
2538         if (size > 0) {
2539
2540                 frame_len = size;
2541                 buff_to_send = buff;
2542
2543
2544                 /* Need to send the packet up to the host, allocate a skb buffer */
2545                 skb = dev_alloc_skb(frame_len);
2546                 if (skb == NULL) {
2547                         PRINT_ER("Low memory - packet droped\n");
2548                         return;
2549                 }
2550
2551                 skb_reserve(skb, (unsigned int)skb->data & 0x3);
2552
2553                 if (g_linux_wlan == NULL || wilc_netdev == NULL) {
2554                         PRINT_ER("wilc_netdev in g_linux_wlan is NULL");
2555                 }
2556                 skb->dev = wilc_netdev;
2557
2558                 if (skb->dev == NULL) {
2559                         PRINT_ER("skb->dev is NULL\n");
2560                 }
2561
2562                 /*
2563                  * for(i=0;i<40;i++)
2564                  * {
2565                  *      if(i<frame_len)
2566                  *              WILC_PRINTF("buff_to_send[%d]=%2x\n",i,buff_to_send[i]);
2567                  *
2568                  * }*/
2569
2570                 /* skb_put(skb, frame_len); */
2571                 memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
2572
2573                 /* WILC_PRINTF("After MEM_CPY\n"); */
2574
2575                 /* nic = netdev_priv(wilc_netdev); */
2576
2577 #ifdef USE_WIRELESS
2578                 /*      if(nic->monitor_flag)
2579                  *      {
2580                  *              WILC_WFI_monitor_rx(nic->wilc_netdev,skb);
2581                  *              return;
2582                  *      }*/
2583 #endif
2584                 skb->protocol = eth_type_trans(skb, wilc_netdev);
2585                         #ifndef TCP_ENHANCEMENTS
2586                 /*get source and dest ip addresses*/
2587                 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2588
2589                 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
2590                 if (buff_to_send[35] == 67 && buff_to_send[37] == 68) {
2591                         PRINT_D(RX_DBG, "DHCP Message received\n");
2592                 }
2593                 if (buff_to_send[12] == 0x88 && buff_to_send[13] == 0x8e)
2594                         PRINT_D(GENERIC_DBG, "eapol received\n");
2595                         #endif
2596                 /* Send the packet to the stack by giving it to the bridge */
2597                 nic->netstats.rx_packets++;
2598                 nic->netstats.rx_bytes += frame_len;
2599                 skb->ip_summed = CHECKSUM_UNNECESSARY;
2600                 stats = netif_rx(skb);
2601                 PRINT_D(RX_DBG, "netif_rx ret value is: %d\n", stats);
2602         }
2603                 #ifndef TCP_ENHANCEMENTS
2604         else {
2605                 PRINT_ER("Discard sending packet with len = %d\n", size);
2606         }
2607                 #endif
2608 }
2609
2610 void WILC_WFI_mgmt_rx(uint8_t *buff, uint32_t size)
2611 {
2612         int i = 0;
2613         perInterface_wlan_t *nic;
2614
2615         /*BugID_5450*/
2616         /*Pass the frame on the monitor interface, if any.*/
2617         /*Otherwise, pass it on p2p0 netdev, if registered on it*/
2618         for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2619                 nic = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2620                 if (nic->monitor_flag) {
2621                         WILC_WFI_monitor_rx(buff, size);
2622                         return;
2623                 }
2624         }
2625
2626         #ifdef WILC_P2P
2627         nic = netdev_priv(g_linux_wlan->strInterfaceInfo[1].wilc_netdev); /* p2p0 */
2628         if ((buff[0] == nic->g_struct_frame_reg[0].frame_type && nic->g_struct_frame_reg[0].reg) ||
2629             (buff[0] == nic->g_struct_frame_reg[1].frame_type && nic->g_struct_frame_reg[1].reg)) {
2630                 WILC_WFI_p2p_rx(g_linux_wlan->strInterfaceInfo[1].wilc_netdev, buff, size);
2631         }
2632         #endif
2633 }
2634
2635 int wilc_netdev_init(void)
2636 {
2637
2638         int i;
2639         perInterface_wlan_t *nic;
2640         struct net_device *ndev;
2641
2642         linux_wlan_init_lock("close_exit_sync", &close_exit_sync, 0);
2643
2644         /*create the common structure*/
2645         g_linux_wlan = (linux_wlan_t *)WILC_MALLOC(sizeof(linux_wlan_t));
2646         memset(g_linux_wlan, 0, sizeof(linux_wlan_t));
2647
2648         /*Reset interrupt count debug*/
2649         int_rcvdU = 0;
2650         int_rcvdB = 0;
2651         int_clrd = 0;
2652         #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2653         register_inetaddr_notifier(&g_dev_notifier);
2654         #endif
2655
2656         for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2657                 /*allocate first ethernet device with perinterface_wlan_t as its private data*/
2658                 ndev = alloc_etherdev(sizeof(perInterface_wlan_t));
2659                 if (!ndev) {
2660                         PRINT_ER("Failed to allocate ethernet dev\n");
2661                         return -1;
2662                 }
2663
2664                 nic = netdev_priv(ndev);
2665                 memset(nic, 0, sizeof(perInterface_wlan_t));
2666
2667                 /*Name the Devices*/
2668                 if (i == 0) {
2669                 #if defined(NM73131)    /* tony, 2012-09-20 */
2670                         strcpy(ndev->name, "wilc_eth%d");
2671                 #elif defined(PLAT_CLM9722)                     /* rachel */
2672                         strcpy(ndev->name, "eth%d");
2673                 #else /* PANDA_BOARD, PLAT_ALLWINNER_A10, PLAT_ALLWINNER_A20, PLAT_ALLWINNER_A31, PLAT_AML8726_M3 or PLAT_WMS8304 */
2674                         strcpy(ndev->name, "wlan%d");
2675                 #endif
2676                 } else
2677                         strcpy(ndev->name, "p2p%d");
2678
2679                 nic->u8IfIdx = g_linux_wlan->u8NoIfcs;
2680                 nic->wilc_netdev = ndev;
2681                 g_linux_wlan->strInterfaceInfo[g_linux_wlan->u8NoIfcs].wilc_netdev = ndev;
2682                 g_linux_wlan->u8NoIfcs++;
2683                 ndev->netdev_ops = &wilc_netdev_ops;
2684
2685                 #ifdef USE_WIRELESS
2686                 {
2687                         struct wireless_dev *wdev;
2688                         /*Register WiFi*/
2689                         wdev = WILC_WFI_WiphyRegister(ndev);
2690
2691                         #ifdef WILC_SDIO
2692                         /* set netdev, tony */
2693                         SET_NETDEV_DEV(ndev, &local_sdio_func->dev);
2694                         #endif
2695
2696                         if (wdev == NULL) {
2697                                 PRINT_ER("Can't register WILC Wiphy\n");
2698                                 return -1;
2699                         }
2700
2701                         /*linking the wireless_dev structure with the netdevice*/
2702                         nic->wilc_netdev->ieee80211_ptr = wdev;
2703                         nic->wilc_netdev->ml_priv = nic;
2704                         wdev->netdev = nic->wilc_netdev;
2705                         nic->netstats.rx_packets = 0;
2706                         nic->netstats.tx_packets = 0;
2707                         nic->netstats.rx_bytes = 0;
2708                         nic->netstats.tx_bytes = 0;
2709
2710                 }
2711                 #endif
2712
2713
2714                 if (register_netdev(ndev)) {
2715                         PRINT_ER("Device couldn't be registered - %s\n", ndev->name);
2716                         return -1; /* ERROR */
2717                 }
2718
2719                 nic->iftype = STATION_MODE;
2720                 nic->mac_opened = 0;
2721
2722         }
2723
2724         #ifndef WILC_SDIO
2725         if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) {
2726                 PRINT_ER("Can't initialize SPI \n");
2727                 return -1; /* ERROR */
2728         }
2729         g_linux_wlan->wilc_spidev = wilc_spi_dev;
2730         #else
2731         g_linux_wlan->wilc_sdio_func = local_sdio_func;
2732         #endif
2733
2734         return 0;
2735 }
2736
2737
2738 /*The 1st function called after module inserted*/
2739 static int __init init_wilc_driver(void)
2740 {
2741
2742
2743 #if defined (WILC_DEBUGFS)
2744         if (wilc_debugfs_init() < 0) {
2745                 PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n");
2746                 return -1;
2747         }
2748 #endif
2749
2750         printk("IN INIT FUNCTION\n");
2751         printk("*** WILC1000 driver VERSION=[10.2] FW_VER=[10.2] ***\n");
2752
2753         linux_wlan_device_power(1);
2754         msleep(100);
2755         linux_wlan_device_detection(1);
2756
2757 #ifdef WILC_SDIO
2758         {
2759                 int ret;
2760
2761                 ret = sdio_register_driver(&wilc_bus);
2762                 if (ret < 0) {
2763                         PRINT_D(INIT_DBG, "init_wilc_driver: Failed register sdio driver\n");
2764                 }
2765
2766                 return ret;
2767         }
2768 #else
2769         PRINT_D(INIT_DBG, "Initializing netdev\n");
2770         if (wilc_netdev_init()) {
2771                 PRINT_ER("Couldn't initialize netdev\n");
2772         }
2773         return 0;
2774 #endif
2775 }
2776 late_initcall(init_wilc_driver);
2777
2778 static void __exit exit_wilc_driver(void)
2779 {
2780         int i = 0;
2781         perInterface_wlan_t *nic[NUM_CONCURRENT_IFC] = {NULL,};
2782         #define CLOSE_TIMEOUT (12 * 1000)
2783
2784         if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2785                                        || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2786         #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2787                 unregister_inetaddr_notifier(&g_dev_notifier);
2788         #endif
2789
2790                 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2791                         nic[i] = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2792                 }
2793         }
2794
2795
2796         if ((g_linux_wlan != NULL) && g_linux_wlan->wilc_firmware != NULL) {
2797                 release_firmware(g_linux_wlan->wilc_firmware);
2798                 g_linux_wlan->wilc_firmware = NULL;
2799         }
2800
2801
2802         if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2803                                        || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2804                 PRINT_D(INIT_DBG, "Waiting for mac_close ....\n");
2805
2806                 if (linux_wlan_lock_timeout(&close_exit_sync, CLOSE_TIMEOUT) < 0)
2807                         PRINT_D(INIT_DBG, "Closed TimedOUT\n");
2808                 else
2809                         PRINT_D(INIT_DBG, "mac_closed\n");
2810
2811
2812                 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2813                         /* close all opened interfaces */
2814                         if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev != NULL) {
2815                                 if (nic[i]->mac_opened) {
2816                                         mac_close(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2817                                 }
2818                         }
2819                 }
2820                 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2821                         PRINT_D(INIT_DBG, "Unregistering netdev %p \n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2822                         unregister_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2823                         #ifdef USE_WIRELESS
2824                         PRINT_D(INIT_DBG, "Freeing Wiphy...\n");
2825                         WILC_WFI_WiphyFree(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2826                         #endif
2827                         PRINT_D(INIT_DBG, "Freeing netdev...\n");
2828                         free_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2829                 }
2830         }
2831
2832
2833 #ifdef USE_WIRELESS
2834 #ifdef WILC_AP_EXTERNAL_MLME
2835         /* Bug 4600 : WILC_WFI_deinit_mon_interface was already called at mac_close */
2836         /* WILC_WFI_deinit_mon_interface(); */
2837 #endif
2838 #endif
2839
2840         /* if(g_linux_wlan->open_ifcs==0) */
2841         {
2842         #ifndef WILC_SDIO
2843                 PRINT_D(INIT_DBG, "SPI unregsiter...\n");
2844                 spi_unregister_driver(&wilc_bus);
2845         #else
2846                 PRINT_D(INIT_DBG, "SDIO unregsiter...\n");
2847                 sdio_unregister_driver(&wilc_bus);
2848         #endif
2849
2850                 linux_wlan_deinit_lock(&close_exit_sync);
2851                 if (g_linux_wlan != NULL) {
2852                         WILC_FREE(g_linux_wlan);
2853                         g_linux_wlan = NULL;
2854                 }
2855                 printk("Module_exit Done.\n");
2856
2857 #if defined (WILC_DEBUGFS)
2858                 wilc_debugfs_remove();
2859 #endif
2860
2861                 linux_wlan_device_detection(0);
2862                 linux_wlan_device_power(0);
2863         }
2864 }
2865 module_exit(exit_wilc_driver);
2866
2867 MODULE_LICENSE("GPL");
2868 #endif