drivers/staging/wilc1000/linux_wlan.c

   1 #include "wilc_wfi_cfgoperations.h"
   2 #include "wilc_wlan_if.h"
   3 #include "wilc_wlan.h"
   4
   5 #include <linux/slab.h>
   6 #include <linux/sched.h>
   7 #include <linux/delay.h>
   8 #include <linux/workqueue.h>
   9 #include <linux/interrupt.h>
  10 #include <linux/irq.h>
  11 #include <linux/gpio.h>
  12
  13 #include <linux/kthread.h>
  14 #include <linux/firmware.h>
  15
  16 #include <linux/init.h>
  17 #include <linux/netdevice.h>
  18 #include <linux/inetdevice.h>
  19 #include <linux/etherdevice.h>
  20 #include <linux/module.h>
  21 #include <linux/kernel.h>
  22 #include <linux/skbuff.h>
  23
  24 #include <linux/semaphore.h>
  25 #include <linux/completion.h>
  26
  27 static int dev_state_ev_handler(struct notifier_block *this,
  28                                 unsigned long event, void *ptr);
  29
  30 static struct notifier_block g_dev_notifier = {
  31         .notifier_call = dev_state_ev_handler
  32 };
  33
  34 static struct semaphore close_exit_sync;
  35
  36 static int wlan_deinit_locks(struct net_device *dev);
  37 static void wlan_deinitialize_threads(struct net_device *dev);
  38
  39 static void linux_wlan_tx_complete(void *priv, int status);
  40 static int  mac_init_fn(struct net_device *ndev);
  41 static struct net_device_stats *mac_stats(struct net_device *dev);
  42 static int  mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
  43 static void wilc_set_multicast_list(struct net_device *dev);
  44
  45 bool wilc_enable_ps = true;
  46
  47 static const struct net_device_ops wilc_netdev_ops = {
  48         .ndo_init = mac_init_fn,
  49         .ndo_open = wilc_mac_open,
  50         .ndo_stop = wilc_mac_close,
  51         .ndo_start_xmit = wilc_mac_xmit,
  52         .ndo_do_ioctl = mac_ioctl,
  53         .ndo_get_stats = mac_stats,
  54         .ndo_set_rx_mode  = wilc_set_multicast_list,
  55
  56 };
  57
  58 static int dev_state_ev_handler(struct notifier_block *this,
  59                                 unsigned long event, void *ptr)
  60 {
  61         struct in_ifaddr *dev_iface = ptr;
  62         struct wilc_priv *priv;
  63         struct host_if_drv *hif_drv;
  64         struct net_device *dev;
  65         u8 *ip_addr_buf;
  66         struct wilc_vif *vif;
  67         u8 null_ip[4] = {0};
  68         char wlan_dev_name[5] = "wlan0";
  69
  70         if (!dev_iface || !dev_iface->ifa_dev || !dev_iface->ifa_dev->dev)
  71                 return NOTIFY_DONE;
  72
  73         if (memcmp(dev_iface->ifa_label, "wlan0", 5) &&
  74             memcmp(dev_iface->ifa_label, "p2p0", 4))
  75                 return NOTIFY_DONE;
  76
  77         dev  = (struct net_device *)dev_iface->ifa_dev->dev;
  78         if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
  79                 return NOTIFY_DONE;
  80
  81         priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
  82         if (!priv)
  83                 return NOTIFY_DONE;
  84
  85         hif_drv = (struct host_if_drv *)priv->hif_drv;
  86         vif = netdev_priv(dev);
  87         if (!vif || !hif_drv)
  88                 return NOTIFY_DONE;
  89
  90         switch (event) {
  91         case NETDEV_UP:
  92                 if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
  93                         hif_drv->IFC_UP = 1;
  94                         wilc_optaining_ip = false;
  95                         del_timer(&wilc_during_ip_timer);
  96                 }
  97
  98                 if (wilc_enable_ps)
  99                         wilc_set_power_mgmt(vif, 1, 0);
 100
 101                 netdev_dbg(dev, "[%s] Up IP\n", dev_iface->ifa_label);
 102
 103                 ip_addr_buf = (char *)&dev_iface->ifa_address;
 104                 netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
 105                            ip_addr_buf[0], ip_addr_buf[1],
 106                            ip_addr_buf[2], ip_addr_buf[3]);
 107                 wilc_setup_ipaddress(vif, ip_addr_buf, vif->idx);
 108
 109                 break;
 110
 111         case NETDEV_DOWN:
 112                 if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
 113                         hif_drv->IFC_UP = 0;
 114                         wilc_optaining_ip = false;
 115                 }
 116
 117                 if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
 118                         wilc_set_power_mgmt(vif, 0, 0);
 119
 120                 wilc_resolve_disconnect_aberration(vif);
 121
 122                 netdev_dbg(dev, "[%s] Down IP\n", dev_iface->ifa_label);
 123
 124                 ip_addr_buf = null_ip;
 125                 netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
 126                            ip_addr_buf[0], ip_addr_buf[1],
 127                            ip_addr_buf[2], ip_addr_buf[3]);
 128
 129                 wilc_setup_ipaddress(vif, ip_addr_buf, vif->idx);
 130
 131                 break;
 132
 133         default:
 134                 break;
 135         }
 136
 137         return NOTIFY_DONE;
 138 }
 139
 140 static irqreturn_t isr_uh_routine(int irq, void *user_data)
 141 {
 142         struct wilc_vif *vif;
 143         struct wilc *wilc;
 144         struct net_device *dev = user_data;
 145
 146         vif = netdev_priv(dev);
 147         wilc = vif->wilc;
 148
 149         if (wilc->close) {
 150                 netdev_err(dev, "Can't handle UH interrupt\n");
 151                 return IRQ_HANDLED;
 152         }
 153         return IRQ_WAKE_THREAD;
 154 }
 155
 156 static irqreturn_t isr_bh_routine(int irq, void *userdata)
 157 {
 158         struct wilc_vif *vif;
 159         struct wilc *wilc;
 160         struct net_device *dev = userdata;
 161
 162         vif = netdev_priv(userdata);
 163         wilc = vif->wilc;
 164
 165         if (wilc->close) {
 166                 netdev_err(dev, "Can't handle BH interrupt\n");
 167                 return IRQ_HANDLED;
 168         }
 169
 170         wilc_handle_isr(wilc);
 171
 172         return IRQ_HANDLED;
 173 }
 174
 175 static int init_irq(struct net_device *dev)
 176 {
 177         int ret = 0;
 178         struct wilc_vif *vif;
 179         struct wilc *wl;
 180
 181         vif = netdev_priv(dev);
 182         wl = vif->wilc;
 183
 184         if ((gpio_request(wl->gpio, "WILC_INTR") == 0) &&
 185             (gpio_direction_input(wl->gpio) == 0)) {
 186                 wl->dev_irq_num = gpio_to_irq(wl->gpio);
 187         } else {
 188                 ret = -1;
 189                 netdev_err(dev, "could not obtain gpio for WILC_INTR\n");
 190         }
 191
 192         if (ret != -1 && request_threaded_irq(wl->dev_irq_num,
 193                                               isr_uh_routine,
 194                                               isr_bh_routine,
 195                                               IRQF_TRIGGER_LOW | IRQF_ONESHOT,
 196                                               "WILC_IRQ", dev) < 0) {
 197                 netdev_err(dev, "Failed to request IRQ GPIO: %d\n", wl->gpio);
 198                 gpio_free(wl->gpio);
 199                 ret = -1;
 200         } else {
 201                 netdev_dbg(dev,
 202                            "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
 203                            wl->dev_irq_num, wl->gpio);
 204         }
 205
 206         return ret;
 207 }
 208
 209 static void deinit_irq(struct net_device *dev)
 210 {
 211         struct wilc_vif *vif;
 212         struct wilc *wilc;
 213
 214         vif = netdev_priv(dev);
 215         wilc = vif->wilc;
 216
 217         /* Deintialize IRQ */
 218         if (wilc->dev_irq_num) {
 219                 free_irq(wilc->dev_irq_num, wilc);
 220                 gpio_free(wilc->gpio);
 221         }
 222 }
 223
 224 int wilc_lock_timeout(struct wilc *nic, void *vp, u32 timeout)
 225 {
 226         /* FIXME: replace with mutex_lock or wait_for_completion */
 227         int error = -1;
 228
 229         if (vp)
 230                 error = down_timeout(vp,
 231                                      msecs_to_jiffies(timeout));
 232         return error;
 233 }
 234
 235 void wilc_mac_indicate(struct wilc *wilc, int flag)
 236 {
 237         int status;
 238
 239         if (flag == WILC_MAC_INDICATE_STATUS) {
 240                 wilc_wlan_cfg_get_val(WID_STATUS,
 241                                       (unsigned char *)&status, 4);
 242                 if (wilc->mac_status == WILC_MAC_STATUS_INIT) {
 243                         wilc->mac_status = status;
 244                         up(&wilc->sync_event);
 245                 } else {
 246                         wilc->mac_status = status;
 247                 }
 248         }
 249 }
 250
 251 static struct net_device *get_if_handler(struct wilc *wilc, u8 *mac_header)
 252 {
 253         u8 *bssid, *bssid1;
 254         int i = 0;
 255
 256         bssid = mac_header + 10;
 257         bssid1 = mac_header + 4;
 258
 259         for (i = 0; i < wilc->vif_num; i++) {
 260                 if (wilc->vif[i]->mode == STATION_MODE)
 261                         if (ether_addr_equal_unaligned(bssid,
 262                                                        wilc->vif[i]->bssid))
 263                                 return wilc->vif[i]->ndev;
 264                 if (wilc->vif[i]->mode == AP_MODE)
 265                         if (ether_addr_equal_unaligned(bssid1,
 266                                                        wilc->vif[i]->bssid))
 267                                 return wilc->vif[i]->ndev;
 268         }
 269
 270         return NULL;
 271 }
 272
 273 int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode)
 274 {
 275         int i = 0;
 276         int ret = -1;
 277         struct wilc_vif *vif;
 278         struct wilc *wilc;
 279
 280         vif = netdev_priv(wilc_netdev);
 281         wilc = vif->wilc;
 282
 283         for (i = 0; i < wilc->vif_num; i++)
 284                 if (wilc->vif[i]->ndev == wilc_netdev) {
 285                         memcpy(wilc->vif[i]->bssid, bssid, 6);
 286                         wilc->vif[i]->mode = mode;
 287                         ret = 0;
 288                         break;
 289                 }
 290
 291         return ret;
 292 }
 293
 294 int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc)
 295 {
 296         u8 i = 0;
 297         u8 null_bssid[6] = {0};
 298         u8 ret_val = 0;
 299
 300         for (i = 0; i < wilc->vif_num; i++)
 301                 if (memcmp(wilc->vif[i]->bssid, null_bssid, 6))
 302                         ret_val++;
 303
 304         return ret_val;
 305 }
 306
 307 static int linux_wlan_txq_task(void *vp)
 308 {
 309         int ret, txq_count;
 310         struct wilc_vif *vif;
 311         struct wilc *wl;
 312         struct net_device *dev = vp;
 313
 314         vif = netdev_priv(dev);
 315         wl = vif->wilc;
 316
 317         complete(&wl->txq_thread_started);
 318         while (1) {
 319                 down(&wl->txq_event);
 320
 321                 if (wl->close) {
 322                         complete(&wl->txq_thread_started);
 323
 324                         while (!kthread_should_stop())
 325                                 schedule();
 326                         break;
 327                 }
 328                 do {
 329                         ret = wilc_wlan_handle_txq(dev, &txq_count);
 330                         if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD) {
 331                                 if (netif_queue_stopped(wl->vif[0]->ndev))
 332                                         netif_wake_queue(wl->vif[0]->ndev);
 333                                 if (netif_queue_stopped(wl->vif[1]->ndev))
 334                                         netif_wake_queue(wl->vif[1]->ndev);
 335                         }
 336                 } while (ret == WILC_TX_ERR_NO_BUF && !wl->close);
 337         }
 338         return 0;
 339 }
 340
 341 int wilc_wlan_get_firmware(struct net_device *dev)
 342 {
 343         struct wilc_vif *vif;
 344         struct wilc *wilc;
 345         int chip_id, ret = 0;
 346         const struct firmware *wilc_firmware;
 347         char *firmware;
 348
 349         vif = netdev_priv(dev);
 350         wilc = vif->wilc;
 351
 352         chip_id = wilc_get_chipid(wilc, false);
 353
 354         if (chip_id < 0x1003a0)
 355                 firmware = FIRMWARE_1002;
 356         else
 357                 firmware = FIRMWARE_1003;
 358
 359         netdev_info(dev, "loading firmware %s\n", firmware);
 360
 361         if (!(&vif->ndev->dev))
 362                 goto _fail_;
 363
 364         if (request_firmware(&wilc_firmware, firmware, wilc->dev) != 0) {
 365                 netdev_err(dev, "%s - firmare not available\n", firmware);
 366                 ret = -1;
 367                 goto _fail_;
 368         }
 369         wilc->firmware = wilc_firmware;
 370
 371 _fail_:
 372
 373         return ret;
 374 }
 375
 376 static int linux_wlan_start_firmware(struct net_device *dev)
 377 {
 378         struct wilc_vif *vif;
 379         struct wilc *wilc;
 380         int ret = 0;
 381
 382         vif = netdev_priv(dev);
 383         wilc = vif->wilc;
 384
 385         ret = wilc_wlan_start(wilc);
 386         if (ret < 0)
 387                 return ret;
 388
 389         ret = wilc_lock_timeout(wilc, &wilc->sync_event, 5000);
 390         if (ret)
 391                 return ret;
 392
 393         return 0;
 394 }
 395
 396 static int wilc1000_firmware_download(struct net_device *dev)
 397 {
 398         struct wilc_vif *vif;
 399         struct wilc *wilc;
 400         int ret = 0;
 401
 402         vif = netdev_priv(dev);
 403         wilc = vif->wilc;
 404
 405         if (!wilc->firmware) {
 406                 netdev_err(dev, "Firmware buffer is NULL\n");
 407                 return -ENOBUFS;
 408         }
 409
 410         ret = wilc_wlan_firmware_download(wilc, wilc->firmware->data,
 411                                           wilc->firmware->size);
 412         if (ret < 0)
 413                 return ret;
 414
 415         release_firmware(wilc->firmware);
 416         wilc->firmware = NULL;
 417
 418         netdev_dbg(dev, "Download Succeeded\n");
 419
 420         return 0;
 421 }
 422
 423 static int linux_wlan_init_test_config(struct net_device *dev,
 424                                        struct wilc_vif *vif)
 425 {
 426         unsigned char c_val[64];
 427         struct wilc *wilc = vif->wilc;
 428         struct wilc_priv *priv;
 429         struct host_if_drv *hif_drv;
 430
 431         netdev_dbg(dev, "Start configuring Firmware\n");
 432         priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
 433         hif_drv = (struct host_if_drv *)priv->hif_drv;
 434         netdev_dbg(dev, "Host = %p\n", hif_drv);
 435         wilc_get_chipid(wilc, false);
 436
 437         *(int *)c_val = 1;
 438
 439         if (!wilc_wlan_cfg_set(vif, 1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
 440                 goto _fail_;
 441
 442         c_val[0] = 0;
 443         if (!wilc_wlan_cfg_set(vif, 0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
 444                 goto _fail_;
 445
 446         c_val[0] = INFRASTRUCTURE;
 447         if (!wilc_wlan_cfg_set(vif, 0, WID_BSS_TYPE, c_val, 1, 0, 0))
 448                 goto _fail_;
 449
 450         c_val[0] = RATE_AUTO;
 451         if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
 452                 goto _fail_;
 453
 454         c_val[0] = G_MIXED_11B_2_MODE;
 455         if (!wilc_wlan_cfg_set(vif, 0, WID_11G_OPERATING_MODE, c_val, 1, 0,
 456                                0))
 457                 goto _fail_;
 458
 459         c_val[0] = 1;
 460         if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
 461                 goto _fail_;
 462
 463         c_val[0] = G_SHORT_PREAMBLE;
 464         if (!wilc_wlan_cfg_set(vif, 0, WID_PREAMBLE, c_val, 1, 0, 0))
 465                 goto _fail_;
 466
 467         c_val[0] = AUTO_PROT;
 468         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
 469                 goto _fail_;
 470
 471         c_val[0] = ACTIVE_SCAN;
 472         if (!wilc_wlan_cfg_set(vif, 0, WID_SCAN_TYPE, c_val, 1, 0, 0))
 473                 goto _fail_;
 474
 475         c_val[0] = SITE_SURVEY_OFF;
 476         if (!wilc_wlan_cfg_set(vif, 0, WID_SITE_SURVEY, c_val, 1, 0, 0))
 477                 goto _fail_;
 478
 479         *((int *)c_val) = 0xffff;
 480         if (!wilc_wlan_cfg_set(vif, 0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
 481                 goto _fail_;
 482
 483         *((int *)c_val) = 2346;
 484         if (!wilc_wlan_cfg_set(vif, 0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
 485                 goto _fail_;
 486
 487         c_val[0] = 0;
 488         if (!wilc_wlan_cfg_set(vif, 0, WID_BCAST_SSID, c_val, 1, 0, 0))
 489                 goto _fail_;
 490
 491         c_val[0] = 1;
 492         if (!wilc_wlan_cfg_set(vif, 0, WID_QOS_ENABLE, c_val, 1, 0, 0))
 493                 goto _fail_;
 494
 495         c_val[0] = NO_POWERSAVE;
 496         if (!wilc_wlan_cfg_set(vif, 0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
 497                 goto _fail_;
 498
 499         c_val[0] = NO_SECURITY; /* NO_ENCRYPT, 0x79 */
 500         if (!wilc_wlan_cfg_set(vif, 0, WID_11I_MODE, c_val, 1, 0, 0))
 501                 goto _fail_;
 502
 503         c_val[0] = OPEN_SYSTEM;
 504         if (!wilc_wlan_cfg_set(vif, 0, WID_AUTH_TYPE, c_val, 1, 0, 0))
 505                 goto _fail_;
 506
 507         strcpy(c_val, "123456790abcdef1234567890");
 508         if (!wilc_wlan_cfg_set(vif, 0, WID_WEP_KEY_VALUE, c_val,
 509                                (strlen(c_val) + 1), 0, 0))
 510                 goto _fail_;
 511
 512         strcpy(c_val, "12345678");
 513         if (!wilc_wlan_cfg_set(vif, 0, WID_11I_PSK, c_val, (strlen(c_val)), 0,
 514                                0))
 515                 goto _fail_;
 516
 517         strcpy(c_val, "password");
 518         if (!wilc_wlan_cfg_set(vif, 0, WID_1X_KEY, c_val, (strlen(c_val) + 1),
 519                                0, 0))
 520                 goto _fail_;
 521
 522         c_val[0] = 192;
 523         c_val[1] = 168;
 524         c_val[2] = 1;
 525         c_val[3] = 112;
 526         if (!wilc_wlan_cfg_set(vif, 0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
 527                 goto _fail_;
 528
 529         c_val[0] = 3;
 530         if (!wilc_wlan_cfg_set(vif, 0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
 531                 goto _fail_;
 532
 533         c_val[0] = 3;
 534         if (!wilc_wlan_cfg_set(vif, 0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
 535                 goto _fail_;
 536
 537         c_val[0] = NORMAL_ACK;
 538         if (!wilc_wlan_cfg_set(vif, 0, WID_ACK_POLICY, c_val, 1, 0, 0))
 539                 goto _fail_;
 540
 541         c_val[0] = 0;
 542         if (!wilc_wlan_cfg_set(vif, 0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1,
 543                                0, 0))
 544                 goto _fail_;
 545
 546         c_val[0] = 48;
 547         if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0,
 548                                0))
 549                 goto _fail_;
 550
 551         c_val[0] = 28;
 552         if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0,
 553                                0))
 554                 goto _fail_;
 555
 556         *((int *)c_val) = 100;
 557         if (!wilc_wlan_cfg_set(vif, 0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
 558                 goto _fail_;
 559
 560         c_val[0] = REKEY_DISABLE;
 561         if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_POLICY, c_val, 1, 0, 0))
 562                 goto _fail_;
 563
 564         *((int *)c_val) = 84600;
 565         if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
 566                 goto _fail_;
 567
 568         *((int *)c_val) = 500;
 569         if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PACKET_COUNT, c_val, 4, 0,
 570                                0))
 571                 goto _fail_;
 572
 573         c_val[0] = 1;
 574         if (!wilc_wlan_cfg_set(vif, 0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0,
 575                                0))
 576                 goto _fail_;
 577
 578         c_val[0] = G_SELF_CTS_PROT;
 579         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
 580                 goto _fail_;
 581
 582         c_val[0] = 1;
 583         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ENABLE, c_val, 1, 0, 0))
 584                 goto _fail_;
 585
 586         c_val[0] = HT_MIXED_MODE;
 587         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OPERATING_MODE, c_val, 1, 0,
 588                                0))
 589                 goto _fail_;
 590
 591         c_val[0] = 1;
 592         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0,
 593                                0))
 594                 goto _fail_;
 595
 596         c_val[0] = DETECT_PROTECT_REPORT;
 597         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1,
 598                                0, 0))
 599                 goto _fail_;
 600
 601         c_val[0] = RTS_CTS_NONHT_PROT;
 602         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
 603                 goto _fail_;
 604
 605         c_val[0] = 0;
 606         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0,
 607                                0))
 608                 goto _fail_;
 609
 610         c_val[0] = MIMO_MODE;
 611         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
 612                 goto _fail_;
 613
 614         c_val[0] = 7;
 615         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0,
 616                                0))
 617                 goto _fail_;
 618
 619         c_val[0] = 1;
 620         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1,
 621                                1, 1))
 622                 goto _fail_;
 623
 624         return 0;
 625
 626 _fail_:
 627         return -1;
 628 }
 629
 630 void wilc1000_wlan_deinit(struct net_device *dev)
 631 {
 632         struct wilc_vif *vif;
 633         struct wilc *wl;
 634
 635         vif = netdev_priv(dev);
 636         wl = vif->wilc;
 637
 638         if (!wl) {
 639                 netdev_err(dev, "wl is NULL\n");
 640                 return;
 641         }
 642
 643         if (wl->initialized)    {
 644                 netdev_info(dev, "Deinitializing wilc1000...\n");
 645
 646                 if (!wl->dev_irq_num &&
 647                     wl->hif_func->disable_interrupt) {
 648                         mutex_lock(&wl->hif_cs);
 649                         wl->hif_func->disable_interrupt(wl);
 650                         mutex_unlock(&wl->hif_cs);
 651                 }
 652                 if (&wl->txq_event)
 653                         up(&wl->txq_event);
 654
 655                 wlan_deinitialize_threads(dev);
 656                 deinit_irq(dev);
 657
 658                 wilc_wlan_stop(wl);
 659                 wilc_wlan_cleanup(dev);
 660                 wlan_deinit_locks(dev);
 661
 662                 wl->initialized = false;
 663
 664                 netdev_dbg(dev, "wilc1000 deinitialization Done\n");
 665         } else {
 666                 netdev_dbg(dev, "wilc1000 is not initialized\n");
 667         }
 668 }
 669
 670 static int wlan_init_locks(struct net_device *dev)
 671 {
 672         struct wilc_vif *vif;
 673         struct wilc *wl;
 674
 675         vif = netdev_priv(dev);
 676         wl = vif->wilc;
 677
 678         mutex_init(&wl->hif_cs);
 679         mutex_init(&wl->rxq_cs);
 680
 681         spin_lock_init(&wl->txq_spinlock);
 682         sema_init(&wl->txq_add_to_head_cs, 1);
 683
 684         sema_init(&wl->txq_event, 0);
 685
 686         sema_init(&wl->cfg_event, 0);
 687         sema_init(&wl->sync_event, 0);
 688         init_completion(&wl->txq_thread_started);
 689
 690         return 0;
 691 }
 692
 693 static int wlan_deinit_locks(struct net_device *dev)
 694 {
 695         struct wilc_vif *vif;
 696         struct wilc *wilc;
 697
 698         vif = netdev_priv(dev);
 699         wilc = vif->wilc;
 700
 701         if (&wilc->hif_cs)
 702                 mutex_destroy(&wilc->hif_cs);
 703
 704         if (&wilc->rxq_cs)
 705                 mutex_destroy(&wilc->rxq_cs);
 706
 707         return 0;
 708 }
 709
 710 static int wlan_initialize_threads(struct net_device *dev)
 711 {
 712         struct wilc_vif *vif;
 713         struct wilc *wilc;
 714
 715         vif = netdev_priv(dev);
 716         wilc = vif->wilc;
 717
 718         wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev,
 719                                      "K_TXQ_TASK");
 720         if (!wilc->txq_thread) {
 721                 netdev_err(dev, "couldn't create TXQ thread\n");
 722                 wilc->close = 0;
 723                 return -ENOBUFS;
 724         }
 725         wait_for_completion(&wilc->txq_thread_started);
 726
 727         return 0;
 728 }
 729
 730 static void wlan_deinitialize_threads(struct net_device *dev)
 731 {
 732         struct wilc_vif *vif;
 733         struct wilc *wl;
 734
 735         vif = netdev_priv(dev);
 736         wl = vif->wilc;
 737
 738         wl->close = 1;
 739
 740         if (&wl->txq_event)
 741                 up(&wl->txq_event);
 742
 743         if (wl->txq_thread) {
 744                 kthread_stop(wl->txq_thread);
 745                 wl->txq_thread = NULL;
 746         }
 747 }
 748
 749 int wilc1000_wlan_init(struct net_device *dev, struct wilc_vif *vif)
 750 {
 751         int ret = 0;
 752         struct wilc *wl = vif->wilc;
 753
 754         if (!wl->initialized) {
 755                 wl->mac_status = WILC_MAC_STATUS_INIT;
 756                 wl->close = 0;
 757
 758                 wlan_init_locks(dev);
 759
 760                 ret = wilc_wlan_init(dev);
 761                 if (ret < 0) {
 762                         ret = -EIO;
 763                         goto _fail_locks_;
 764                 }
 765
 766                 if (wl->gpio >= 0 && init_irq(dev)) {
 767                         ret = -EIO;
 768                         goto _fail_locks_;
 769                 }
 770
 771                 ret = wlan_initialize_threads(dev);
 772                 if (ret < 0) {
 773                         ret = -EIO;
 774                         goto _fail_wilc_wlan_;
 775                 }
 776
 777                 if (!wl->dev_irq_num &&
 778                     wl->hif_func->enable_interrupt &&
 779                     wl->hif_func->enable_interrupt(wl)) {
 780                         ret = -EIO;
 781                         goto _fail_irq_init_;
 782                 }
 783
 784                 if (wilc_wlan_get_firmware(dev)) {
 785                         ret = -EIO;
 786                         goto _fail_irq_enable_;
 787                 }
 788
 789                 ret = wilc1000_firmware_download(dev);
 790                 if (ret < 0) {
 791                         ret = -EIO;
 792                         goto _fail_irq_enable_;
 793                 }
 794
 795                 ret = linux_wlan_start_firmware(dev);
 796                 if (ret < 0) {
 797                         ret = -EIO;
 798                         goto _fail_irq_enable_;
 799                 }
 800
 801                 if (wilc_wlan_cfg_get(vif, 1, WID_FIRMWARE_VERSION, 1, 0)) {
 802                         int size;
 803                         char firmware_ver[20];
 804
 805                         size = wilc_wlan_cfg_get_val(WID_FIRMWARE_VERSION,
 806                                                      firmware_ver,
 807                                                      sizeof(firmware_ver));
 808                         firmware_ver[size] = '\0';
 809                         netdev_dbg(dev, "Firmware Ver = %s\n", firmware_ver);
 810                 }
 811                 ret = linux_wlan_init_test_config(dev, vif);
 812
 813                 if (ret < 0) {
 814                         netdev_err(dev, "Failed to configure firmware\n");
 815                         ret = -EIO;
 816                         goto _fail_fw_start_;
 817                 }
 818
 819                 wl->initialized = true;
 820                 return 0;
 821
 822 _fail_fw_start_:
 823                 wilc_wlan_stop(wl);
 824
 825 _fail_irq_enable_:
 826                 if (!wl->dev_irq_num &&
 827                     wl->hif_func->disable_interrupt)
 828                         wl->hif_func->disable_interrupt(wl);
 829 _fail_irq_init_:
 830                 if (wl->dev_irq_num)
 831                         deinit_irq(dev);
 832
 833                 wlan_deinitialize_threads(dev);
 834 _fail_wilc_wlan_:
 835                 wilc_wlan_cleanup(dev);
 836 _fail_locks_:
 837                 wlan_deinit_locks(dev);
 838                 netdev_err(dev, "WLAN Iinitialization FAILED\n");
 839         } else {
 840                 netdev_dbg(dev, "wilc1000 already initialized\n");
 841         }
 842         return ret;
 843 }
 844
 845 static int mac_init_fn(struct net_device *ndev)
 846 {
 847         netif_start_queue(ndev);
 848         netif_stop_queue(ndev);
 849
 850         return 0;
 851 }
 852
 853 int wilc_mac_open(struct net_device *ndev)
 854 {
 855         struct wilc_vif *vif;
 856
 857         unsigned char mac_add[ETH_ALEN] = {0};
 858         int ret = 0;
 859         int i = 0;
 860         struct wilc *wl;
 861
 862         vif = netdev_priv(ndev);
 863         wl = vif->wilc;
 864
 865         if (!wl || !wl->dev) {
 866                 netdev_err(ndev, "device not ready\n");
 867                 return -ENODEV;
 868         }
 869
 870         netdev_dbg(ndev, "MAC OPEN[%p]\n", ndev);
 871
 872         ret = wilc_init_host_int(ndev);
 873         if (ret < 0)
 874                 return ret;
 875
 876         ret = wilc1000_wlan_init(ndev, vif);
 877         if (ret < 0) {
 878                 wilc_deinit_host_int(ndev);
 879                 return ret;
 880         }
 881
 882         for (i = 0; i < wl->vif_num; i++) {
 883                 if (ndev == wl->vif[i]->ndev) {
 884                         if (vif->iftype == AP_MODE) {
 885                                 wilc_set_wfi_drv_handler(vif,
 886                                                          wilc_get_vif_idx(vif),
 887                                                          0);
 888                         } else if (!wilc_wlan_get_num_conn_ifcs(wl)) {
 889                                 wilc_set_wfi_drv_handler(vif,
 890                                                          wilc_get_vif_idx(vif),
 891                                                          wl->open_ifcs);
 892                         } else {
 893                                 if (memcmp(wl->vif[i ^ 1]->bssid,
 894                                            wl->vif[i ^ 1]->src_addr, 6))
 895                                         wilc_set_wfi_drv_handler(vif,
 896                                                          wilc_get_vif_idx(vif),
 897                                                          0);
 898                                 else
 899                                         wilc_set_wfi_drv_handler(vif,
 900                                                          wilc_get_vif_idx(vif),
 901                                                          1);
 902                         }
 903                         wilc_set_operation_mode(vif, vif->iftype);
 904
 905                         wilc_get_mac_address(vif, mac_add);
 906                         netdev_dbg(ndev, "Mac address: %pM\n", mac_add);
 907                         memcpy(wl->vif[i]->src_addr, mac_add, ETH_ALEN);
 908
 909                         break;
 910                 }
 911         }
 912
 913         memcpy(ndev->dev_addr, wl->vif[i]->src_addr, ETH_ALEN);
 914
 915         if (!is_valid_ether_addr(ndev->dev_addr)) {
 916                 netdev_err(ndev, "Wrong MAC address\n");
 917                 wilc_deinit_host_int(ndev);
 918                 wilc1000_wlan_deinit(ndev);
 919                 return -EINVAL;
 920         }
 921
 922         wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
 923                                  vif->ndev->ieee80211_ptr,
 924                                  vif->frame_reg[0].type,
 925                                  vif->frame_reg[0].reg);
 926         wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
 927                                  vif->ndev->ieee80211_ptr,
 928                                  vif->frame_reg[1].type,
 929                                  vif->frame_reg[1].reg);
 930         netif_wake_queue(ndev);
 931         wl->open_ifcs++;
 932         vif->mac_opened = 1;
 933         return 0;
 934 }
 935
 936 static struct net_device_stats *mac_stats(struct net_device *dev)
 937 {
 938         struct wilc_vif *vif = netdev_priv(dev);
 939
 940         return &vif->netstats;
 941 }
 942
 943 static void wilc_set_multicast_list(struct net_device *dev)
 944 {
 945         struct netdev_hw_addr *ha;
 946         struct wilc_vif *vif;
 947         int i = 0;
 948
 949         vif = netdev_priv(dev);
 950
 951         if (dev->flags & IFF_PROMISC)
 952                 return;
 953
 954         if ((dev->flags & IFF_ALLMULTI) ||
 955             (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
 956                 wilc_setup_multicast_filter(vif, false, 0);
 957                 return;
 958         }
 959
 960         if ((dev->mc.count) == 0) {
 961                 wilc_setup_multicast_filter(vif, true, 0);
 962                 return;
 963         }
 964
 965         netdev_for_each_mc_addr(ha, dev) {
 966                 memcpy(wilc_multicast_mac_addr_list[i], ha->addr, ETH_ALEN);
 967                 netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
 968                            wilc_multicast_mac_addr_list[i][0],
 969                            wilc_multicast_mac_addr_list[i][1],
 970                            wilc_multicast_mac_addr_list[i][2],
 971                            wilc_multicast_mac_addr_list[i][3],
 972                            wilc_multicast_mac_addr_list[i][4],
 973                            wilc_multicast_mac_addr_list[i][5]);
 974                 i++;
 975         }
 976
 977         wilc_setup_multicast_filter(vif, true, (dev->mc.count));
 978 }
 979
 980 static void linux_wlan_tx_complete(void *priv, int status)
 981 {
 982         struct tx_complete_data *pv_data = priv;
 983
 984         dev_kfree_skb(pv_data->skb);
 985         kfree(pv_data);
 986 }
 987
 988 int wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)
 989 {
 990         struct wilc_vif *vif;
 991         struct tx_complete_data *tx_data = NULL;
 992         int queue_count;
 993         char *udp_buf;
 994         struct iphdr *ih;
 995         struct ethhdr *eth_h;
 996         struct wilc *wilc;
 997
 998         vif = netdev_priv(ndev);
 999         wilc = vif->wilc;
1000
1001         if (skb->dev != ndev) {
1002                 netdev_err(ndev, "Packet not destined to this device\n");
1003                 return 0;
1004         }
1005
1006         tx_data = kmalloc(sizeof(*tx_data), GFP_ATOMIC);
1007         if (!tx_data) {
1008                 dev_kfree_skb(skb);
1009                 netif_wake_queue(ndev);
1010                 return 0;
1011         }
1012
1013         tx_data->buff = skb->data;
1014         tx_data->size = skb->len;
1015         tx_data->skb  = skb;
1016
1017         eth_h = (struct ethhdr *)(skb->data);
1018         if (eth_h->h_proto == 0x8e88)
1019                 netdev_dbg(ndev, "EAPOL transmitted\n");
1020
1021         ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
1022
1023         udp_buf = (char *)ih + sizeof(struct iphdr);
1024         if ((udp_buf[1] == 68 && udp_buf[3] == 67) ||
1025             (udp_buf[1] == 67 && udp_buf[3] == 68))
1026                 netdev_dbg(ndev, "DHCP Message transmitted, type:%x %x %x\n",
1027                            udp_buf[248], udp_buf[249], udp_buf[250]);
1028
1029         vif->netstats.tx_packets++;
1030         vif->netstats.tx_bytes += tx_data->size;
1031         tx_data->bssid = wilc->vif[vif->idx]->bssid;
1032         queue_count = wilc_wlan_txq_add_net_pkt(ndev, (void *)tx_data,
1033                                                 tx_data->buff, tx_data->size,
1034                                                 linux_wlan_tx_complete);
1035
1036         if (queue_count > FLOW_CONTROL_UPPER_THRESHOLD) {
1037                 netif_stop_queue(wilc->vif[0]->ndev);
1038                 netif_stop_queue(wilc->vif[1]->ndev);
1039         }
1040
1041         return 0;
1042 }
1043
1044 int wilc_mac_close(struct net_device *ndev)
1045 {
1046         struct wilc_priv *priv;
1047         struct wilc_vif *vif;
1048         struct host_if_drv *hif_drv;
1049         struct wilc *wl;
1050
1051         vif = netdev_priv(ndev);
1052
1053         if (!vif || !vif->ndev || !vif->ndev->ieee80211_ptr ||
1054             !vif->ndev->ieee80211_ptr->wiphy)
1055                 return 0;
1056
1057         priv = wiphy_priv(vif->ndev->ieee80211_ptr->wiphy);
1058         wl = vif->wilc;
1059
1060         if (!priv)
1061                 return 0;
1062
1063         hif_drv = (struct host_if_drv *)priv->hif_drv;
1064
1065         netdev_dbg(ndev, "Mac close\n");
1066
1067         if (!wl)
1068                 return 0;
1069
1070         if (!hif_drv)
1071                 return 0;
1072
1073         if ((wl->open_ifcs) > 0)
1074                 wl->open_ifcs--;
1075         else
1076                 return 0;
1077
1078         if (vif->ndev) {
1079                 netif_stop_queue(vif->ndev);
1080
1081                 wilc_deinit_host_int(vif->ndev);
1082         }
1083
1084         if (wl->open_ifcs == 0) {
1085                 netdev_dbg(ndev, "Deinitializing wilc1000\n");
1086                 wl->close = 1;
1087                 wilc1000_wlan_deinit(ndev);
1088                 WILC_WFI_deinit_mon_interface();
1089         }
1090
1091         up(&close_exit_sync);
1092         vif->mac_opened = 0;
1093
1094         return 0;
1095 }
1096
1097 static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
1098 {
1099         u8 *buff = NULL;
1100         s8 rssi;
1101         u32 size = 0, length = 0;
1102         struct wilc_vif *vif;
1103         s32 ret = 0;
1104         struct wilc *wilc;
1105
1106         vif = netdev_priv(ndev);
1107         wilc = vif->wilc;
1108
1109         if (!wilc->initialized)
1110                 return 0;
1111
1112         switch (cmd) {
1113         case SIOCSIWPRIV:
1114         {
1115                 struct iwreq *wrq = (struct iwreq *)req;
1116
1117                 size = wrq->u.data.length;
1118
1119                 if (size && wrq->u.data.pointer) {
1120                         buff = memdup_user(wrq->u.data.pointer,
1121                                            wrq->u.data.length);
1122                         if (IS_ERR(buff))
1123                                 return PTR_ERR(buff);
1124
1125                         if (strncasecmp(buff, "RSSI", length) == 0) {
1126                                 ret = wilc_get_rssi(vif, &rssi);
1127                                 netdev_info(ndev, "RSSI :%d\n", rssi);
1128
1129                                 rssi += 5;
1130
1131                                 snprintf(buff, size, "rssi %d", rssi);
1132
1133                                 if (copy_to_user(wrq->u.data.pointer, buff, size)) {
1134                                         netdev_err(ndev, "failed to copy\n");
1135                                         ret = -EFAULT;
1136                                         goto done;
1137                                 }
1138                         }
1139                 }
1140         }
1141         break;
1142
1143         default:
1144         {
1145                 netdev_info(ndev, "Command - %d - has been received\n", cmd);
1146                 ret = -EOPNOTSUPP;
1147                 goto done;
1148         }
1149         }
1150
1151 done:
1152
1153         kfree(buff);
1154
1155         return ret;
1156 }
1157
1158 void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset)
1159 {
1160         unsigned int frame_len = 0;
1161         int stats;
1162         unsigned char *buff_to_send = NULL;
1163         struct sk_buff *skb;
1164         struct net_device *wilc_netdev;
1165         struct wilc_vif *vif;
1166
1167         if (!wilc)
1168                 return;
1169
1170         wilc_netdev = get_if_handler(wilc, buff);
1171         if (!wilc_netdev)
1172                 return;
1173
1174         buff += pkt_offset;
1175         vif = netdev_priv(wilc_netdev);
1176
1177         if (size > 0) {
1178                 frame_len = size;
1179                 buff_to_send = buff;
1180
1181                 skb = dev_alloc_skb(frame_len);
1182                 if (!skb)
1183                         return;
1184
1185                 skb->dev = wilc_netdev;
1186
1187                 memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
1188
1189                 skb->protocol = eth_type_trans(skb, wilc_netdev);
1190                 vif->netstats.rx_packets++;
1191                 vif->netstats.rx_bytes += frame_len;
1192                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1193                 stats = netif_rx(skb);
1194                 netdev_dbg(wilc_netdev, "netif_rx ret value is: %d\n", stats);
1195         }
1196 }
1197
1198 void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size)
1199 {
1200         int i = 0;
1201         struct wilc_vif *vif;
1202
1203         for (i = 0; i < wilc->vif_num; i++) {
1204                 vif = netdev_priv(wilc->vif[i]->ndev);
1205                 if (vif->monitor_flag) {
1206                         WILC_WFI_monitor_rx(buff, size);
1207                         return;
1208                 }
1209         }
1210
1211         vif = netdev_priv(wilc->vif[1]->ndev);
1212         if ((buff[0] == vif->frame_reg[0].type && vif->frame_reg[0].reg) ||
1213             (buff[0] == vif->frame_reg[1].type && vif->frame_reg[1].reg))
1214                 WILC_WFI_p2p_rx(wilc->vif[1]->ndev, buff, size);
1215 }
1216
1217 void wilc_netdev_cleanup(struct wilc *wilc)
1218 {
1219         int i = 0;
1220         struct wilc_vif *vif[NUM_CONCURRENT_IFC];
1221
1222         if (wilc && (wilc->vif[0]->ndev || wilc->vif[1]->ndev)) {
1223                 unregister_inetaddr_notifier(&g_dev_notifier);
1224
1225                 for (i = 0; i < NUM_CONCURRENT_IFC; i++)
1226                         vif[i] = netdev_priv(wilc->vif[i]->ndev);
1227         }
1228
1229         if (wilc && wilc->firmware) {
1230                 release_firmware(wilc->firmware);
1231                 wilc->firmware = NULL;
1232         }
1233
1234         if (wilc && (wilc->vif[0]->ndev || wilc->vif[1]->ndev)) {
1235                 wilc_lock_timeout(wilc, &close_exit_sync, 5 * 1000);
1236
1237                 for (i = 0; i < NUM_CONCURRENT_IFC; i++)
1238                         if (wilc->vif[i]->ndev)
1239                                 if (vif[i]->mac_opened)
1240                                         wilc_mac_close(wilc->vif[i]->ndev);
1241
1242                 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
1243                         unregister_netdev(wilc->vif[i]->ndev);
1244                         wilc_free_wiphy(wilc->vif[i]->ndev);
1245                         free_netdev(wilc->vif[i]->ndev);
1246                 }
1247         }
1248
1249         kfree(wilc);
1250 }
1251 EXPORT_SYMBOL_GPL(wilc_netdev_cleanup);
1252
1253 int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
1254                      int gpio, const struct wilc_hif_func *ops)
1255 {
1256         int i, ret;
1257         struct wilc_vif *vif;
1258         struct net_device *ndev;
1259         struct wilc *wl;
1260
1261         sema_init(&close_exit_sync, 0);
1262
1263         wl = kzalloc(sizeof(*wl), GFP_KERNEL);
1264         if (!wl)
1265                 return -ENOMEM;
1266
1267         *wilc = wl;
1268         wl->io_type = io_type;
1269         wl->gpio = gpio;
1270         wl->hif_func = ops;
1271
1272         register_inetaddr_notifier(&g_dev_notifier);
1273
1274         for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
1275                 ndev = alloc_etherdev(sizeof(struct wilc_vif));
1276                 if (!ndev)
1277                         return -ENOMEM;
1278
1279                 vif = netdev_priv(ndev);
1280                 memset(vif, 0, sizeof(struct wilc_vif));
1281
1282                 if (i == 0)
1283                         strcpy(ndev->name, "wlan%d");
1284                 else
1285                         strcpy(ndev->name, "p2p%d");
1286
1287                 vif->idx = wl->vif_num;
1288                 vif->wilc = *wilc;
1289                 wl->vif[i] = vif;
1290                 wl->vif[wl->vif_num]->ndev = ndev;
1291                 wl->vif_num++;
1292                 ndev->netdev_ops = &wilc_netdev_ops;
1293
1294                 {
1295                         struct wireless_dev *wdev;
1296
1297                         wdev = wilc_create_wiphy(ndev, dev);
1298
1299                         if (dev)
1300                                 SET_NETDEV_DEV(ndev, dev);
1301
1302                         if (!wdev) {
1303                                 netdev_err(ndev, "Can't register WILC Wiphy\n");
1304                                 return -1;
1305                         }
1306
1307                         vif->ndev->ieee80211_ptr = wdev;
1308                         vif->ndev->ml_priv = vif;
1309                         wdev->netdev = vif->ndev;
1310                         vif->netstats.rx_packets = 0;
1311                         vif->netstats.tx_packets = 0;
1312                         vif->netstats.rx_bytes = 0;
1313                         vif->netstats.tx_bytes = 0;
1314                 }
1315
1316                 ret = register_netdev(ndev);
1317                 if (ret)
1318                         return ret;
1319
1320                 vif->iftype = STATION_MODE;
1321                 vif->mac_opened = 0;
1322         }
1323
1324         return 0;
1325 }
1326 EXPORT_SYMBOL_GPL(wilc_netdev_init);
1327
1328 MODULE_LICENSE("GPL");