drivers/staging/wilc1000/linux_wlan.c

   1 #include "wilc_wfi_cfgoperations.h"
   2 #include "linux_wlan_common.h"
   3 #include "wilc_wlan_if.h"
   4 #include "wilc_wlan.h"
   5
   6 #include <linux/slab.h>
   7 #include <linux/sched.h>
   8 #include <linux/delay.h>
   9 #include <linux/workqueue.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/irq.h>
  12 #include <linux/gpio.h>
  13
  14 #include <linux/kthread.h>
  15 #include <linux/firmware.h>
  16 #include <linux/delay.h>
  17
  18 #include <linux/init.h>
  19 #include <linux/netdevice.h>
  20 #include <linux/inetdevice.h>
  21 #include <linux/etherdevice.h>
  22 #include <linux/module.h>
  23 #include <linux/kernel.h>
  24 #include <linux/skbuff.h>
  25
  26 #include <linux/semaphore.h>
  27
  28 static int dev_state_ev_handler(struct notifier_block *this,
  29                                 unsigned long event, void *ptr);
  30
  31 static struct notifier_block g_dev_notifier = {
  32         .notifier_call = dev_state_ev_handler
  33 };
  34
  35 #define IRQ_WAIT        1
  36 #define IRQ_NO_WAIT     0
  37 static struct semaphore close_exit_sync;
  38
  39 static int wlan_deinit_locks(struct net_device *dev);
  40 static void wlan_deinitialize_threads(struct net_device *dev);
  41
  42 static void linux_wlan_tx_complete(void *priv, int status);
  43 static int  mac_init_fn(struct net_device *ndev);
  44 static struct net_device_stats *mac_stats(struct net_device *dev);
  45 static int  mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
  46 static void wilc_set_multicast_list(struct net_device *dev);
  47
  48 bool wilc_enable_ps = true;
  49
  50 static const struct net_device_ops wilc_netdev_ops = {
  51         .ndo_init = mac_init_fn,
  52         .ndo_open = wilc_mac_open,
  53         .ndo_stop = wilc_mac_close,
  54         .ndo_start_xmit = wilc_mac_xmit,
  55         .ndo_do_ioctl = mac_ioctl,
  56         .ndo_get_stats = mac_stats,
  57         .ndo_set_rx_mode  = wilc_set_multicast_list,
  58
  59 };
  60
  61 static int dev_state_ev_handler(struct notifier_block *this,
  62                                 unsigned long event, void *ptr)
  63 {
  64         struct in_ifaddr *dev_iface = ptr;
  65         struct wilc_priv *priv;
  66         struct host_if_drv *hif_drv;
  67         struct net_device *dev;
  68         u8 *ip_addr_buf;
  69         struct wilc_vif *vif;
  70         u8 null_ip[4] = {0};
  71         char wlan_dev_name[5] = "wlan0";
  72
  73         if (!dev_iface || !dev_iface->ifa_dev || !dev_iface->ifa_dev->dev)
  74                 return NOTIFY_DONE;
  75
  76         if (memcmp(dev_iface->ifa_label, "wlan0", 5) &&
  77             memcmp(dev_iface->ifa_label, "p2p0", 4))
  78                 return NOTIFY_DONE;
  79
  80         dev  = (struct net_device *)dev_iface->ifa_dev->dev;
  81         if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
  82                 return NOTIFY_DONE;
  83
  84         priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
  85         if (!priv)
  86                 return NOTIFY_DONE;
  87
  88         hif_drv = (struct host_if_drv *)priv->hif_drv;
  89         vif = netdev_priv(dev);
  90         if (!vif || !hif_drv)
  91                 return NOTIFY_DONE;
  92
  93         switch (event) {
  94         case NETDEV_UP:
  95                 if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
  96                         hif_drv->IFC_UP = 1;
  97                         wilc_optaining_ip = false;
  98                         del_timer(&wilc_during_ip_timer);
  99                 }
 100
 101                 if (wilc_enable_ps)
 102                         wilc_set_power_mgmt(vif, 1, 0);
 103
 104                 netdev_dbg(dev, "[%s] Up IP\n", dev_iface->ifa_label);
 105
 106                 ip_addr_buf = (char *)&dev_iface->ifa_address;
 107                 netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
 108                            ip_addr_buf[0], ip_addr_buf[1],
 109                            ip_addr_buf[2], ip_addr_buf[3]);
 110                 wilc_setup_ipaddress(vif, ip_addr_buf, vif->idx);
 111
 112                 break;
 113
 114         case NETDEV_DOWN:
 115                 if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
 116                         hif_drv->IFC_UP = 0;
 117                         wilc_optaining_ip = false;
 118                 }
 119
 120                 if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
 121                         wilc_set_power_mgmt(vif, 0, 0);
 122
 123                 wilc_resolve_disconnect_aberration(vif);
 124
 125                 netdev_dbg(dev, "[%s] Down IP\n", dev_iface->ifa_label);
 126
 127                 ip_addr_buf = null_ip;
 128                 netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
 129                            ip_addr_buf[0], ip_addr_buf[1],
 130                            ip_addr_buf[2], ip_addr_buf[3]);
 131
 132                 wilc_setup_ipaddress(vif, ip_addr_buf, vif->idx);
 133
 134                 break;
 135
 136         default:
 137                 break;
 138         }
 139
 140         return NOTIFY_DONE;
 141 }
 142
 143 static irqreturn_t isr_uh_routine(int irq, void *user_data)
 144 {
 145         struct wilc_vif *vif;
 146         struct wilc *wilc;
 147         struct net_device *dev = user_data;
 148
 149         vif = netdev_priv(dev);
 150         wilc = vif->wilc;
 151
 152         if (wilc->close) {
 153                 netdev_err(dev, "Can't handle UH interrupt\n");
 154                 return IRQ_HANDLED;
 155         }
 156         return IRQ_WAKE_THREAD;
 157 }
 158
 159 static irqreturn_t isr_bh_routine(int irq, void *userdata)
 160 {
 161         struct wilc_vif *vif;
 162         struct wilc *wilc;
 163         struct net_device *dev = userdata;
 164
 165         vif = netdev_priv(userdata);
 166         wilc = vif->wilc;
 167
 168         if (wilc->close) {
 169                 netdev_err(dev, "Can't handle BH interrupt\n");
 170                 return IRQ_HANDLED;
 171         }
 172
 173         wilc_handle_isr(wilc);
 174
 175         return IRQ_HANDLED;
 176 }
 177
 178 static int init_irq(struct net_device *dev)
 179 {
 180         int ret = 0;
 181         struct wilc_vif *vif;
 182         struct wilc *wl;
 183
 184         vif = netdev_priv(dev);
 185         wl = vif->wilc;
 186
 187         if ((gpio_request(wl->gpio, "WILC_INTR") == 0) &&
 188             (gpio_direction_input(wl->gpio) == 0)) {
 189                 wl->dev_irq_num = gpio_to_irq(wl->gpio);
 190         } else {
 191                 ret = -1;
 192                 netdev_err(dev, "could not obtain gpio for WILC_INTR\n");
 193         }
 194
 195         if (ret != -1 && request_threaded_irq(wl->dev_irq_num,
 196                                               isr_uh_routine,
 197                                               isr_bh_routine,
 198                                               IRQF_TRIGGER_LOW | IRQF_ONESHOT,
 199                                               "WILC_IRQ", dev) < 0) {
 200                 netdev_err(dev, "Failed to request IRQ GPIO: %d\n", wl->gpio);
 201                 gpio_free(wl->gpio);
 202                 ret = -1;
 203         } else {
 204                 netdev_dbg(dev,
 205                            "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
 206                            wl->dev_irq_num, wl->gpio);
 207         }
 208
 209         return ret;
 210 }
 211
 212 static void deinit_irq(struct net_device *dev)
 213 {
 214         struct wilc_vif *vif;
 215         struct wilc *wilc;
 216
 217         vif = netdev_priv(dev);
 218         wilc = vif->wilc;
 219
 220         /* Deintialize IRQ */
 221         if (wilc->dev_irq_num) {
 222                 free_irq(wilc->dev_irq_num, wilc);
 223                 gpio_free(wilc->gpio);
 224         }
 225 }
 226
 227 void wilc_dbg(u8 *buff)
 228 {
 229         PRINT_D(INIT_DBG, "%d\n", *buff);
 230 }
 231
 232 int wilc_lock_timeout(struct wilc *nic, void *vp, u32 timeout)
 233 {
 234         /* FIXME: replace with mutex_lock or wait_for_completion */
 235         int error = -1;
 236
 237         if (vp)
 238                 error = down_timeout(vp,
 239                                      msecs_to_jiffies(timeout));
 240         return error;
 241 }
 242
 243 void wilc_mac_indicate(struct wilc *wilc, int flag)
 244 {
 245         int status;
 246
 247         if (flag == WILC_MAC_INDICATE_STATUS) {
 248                 wilc_wlan_cfg_get_val(WID_STATUS,
 249                                       (unsigned char *)&status, 4);
 250                 if (wilc->mac_status == WILC_MAC_STATUS_INIT) {
 251                         wilc->mac_status = status;
 252                         up(&wilc->sync_event);
 253                 } else {
 254                         wilc->mac_status = status;
 255                 }
 256         }
 257 }
 258
 259 static struct net_device *get_if_handler(struct wilc *wilc, u8 *mac_header)
 260 {
 261         u8 *bssid, *bssid1;
 262         int i = 0;
 263
 264         bssid = mac_header + 10;
 265         bssid1 = mac_header + 4;
 266
 267         for (i = 0; i < wilc->vif_num; i++) {
 268                 if (wilc->vif[i]->mode == STATION_MODE)
 269                         if (!memcmp(bssid, wilc->vif[i]->bssid, ETH_ALEN))
 270                                 return wilc->vif[i]->ndev;
 271                 if (wilc->vif[i]->mode == AP_MODE)
 272                         if (!memcmp(bssid1, wilc->vif[i]->bssid, ETH_ALEN))
 273                                 return wilc->vif[i]->ndev;
 274         }
 275
 276         return NULL;
 277 }
 278
 279 int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode)
 280 {
 281         int i = 0;
 282         int ret = -1;
 283         struct wilc_vif *vif;
 284         struct wilc *wilc;
 285
 286         vif = netdev_priv(wilc_netdev);
 287         wilc = vif->wilc;
 288
 289         for (i = 0; i < wilc->vif_num; i++)
 290                 if (wilc->vif[i]->ndev == wilc_netdev) {
 291                         memcpy(wilc->vif[i]->bssid, bssid, 6);
 292                         wilc->vif[i]->mode = mode;
 293                         ret = 0;
 294                         break;
 295                 }
 296
 297         return ret;
 298 }
 299
 300 int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc)
 301 {
 302         u8 i = 0;
 303         u8 null_bssid[6] = {0};
 304         u8 ret_val = 0;
 305
 306         for (i = 0; i < wilc->vif_num; i++)
 307                 if (memcmp(wilc->vif[i]->bssid, null_bssid, 6))
 308                         ret_val++;
 309
 310         return ret_val;
 311 }
 312
 313 #define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
 314
 315 static int linux_wlan_txq_task(void *vp)
 316 {
 317         int ret, txq_count;
 318         struct wilc_vif *vif;
 319         struct wilc *wl;
 320         struct net_device *dev = vp;
 321 #if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
 322 #define TX_BACKOFF_WEIGHT_INCR_STEP (1)
 323 #define TX_BACKOFF_WEIGHT_DECR_STEP (1)
 324 #define TX_BACKOFF_WEIGHT_MAX (7)
 325 #define TX_BACKOFF_WEIGHT_MIN (0)
 326 #define TX_BACKOFF_WEIGHT_UNIT_MS (10)
 327         int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
 328 #endif
 329
 330         vif = netdev_priv(dev);
 331         wl = vif->wilc;
 332
 333         up(&wl->txq_thread_started);
 334         while (1) {
 335                 down(&wl->txq_event);
 336
 337                 if (wl->close) {
 338                         up(&wl->txq_thread_started);
 339
 340                         while (!kthread_should_stop())
 341                                 schedule();
 342                         break;
 343                 }
 344 #if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
 345                 ret = wilc_wlan_handle_txq(dev, &txq_count);
 346 #else
 347                 do {
 348                         ret = wilc_wlan_handle_txq(dev, &txq_count);
 349                         if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD) {
 350                                 if (netif_queue_stopped(wl->vif[0]->ndev))
 351                                         netif_wake_queue(wl->vif[0]->ndev);
 352                                 if (netif_queue_stopped(wl->vif[1]->ndev))
 353                                         netif_wake_queue(wl->vif[1]->ndev);
 354                         }
 355
 356                         if (ret == WILC_TX_ERR_NO_BUF) {
 357                                 backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
 358                                 if (backoff_weight > TX_BACKOFF_WEIGHT_MAX)
 359                                         backoff_weight = TX_BACKOFF_WEIGHT_MAX;
 360                         } else {
 361                                 if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
 362                                         backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
 363                                         if (backoff_weight < TX_BACKOFF_WEIGHT_MIN)
 364                                                 backoff_weight = TX_BACKOFF_WEIGHT_MIN;
 365                                 }
 366                         }
 367                 } while (ret == WILC_TX_ERR_NO_BUF && !wl->close);
 368 #endif
 369         }
 370         return 0;
 371 }
 372
 373 int wilc_wlan_get_firmware(struct net_device *dev)
 374 {
 375         struct wilc_vif *vif;
 376         struct wilc *wilc;
 377         int chip_id, ret = 0;
 378         const struct firmware *wilc_firmware;
 379         char *firmware;
 380
 381         vif = netdev_priv(dev);
 382         wilc = vif->wilc;
 383
 384         chip_id = wilc_get_chipid(wilc, false);
 385
 386         if (chip_id < 0x1003a0)
 387                 firmware = FIRMWARE_1002;
 388         else
 389                 firmware = FIRMWARE_1003;
 390
 391         netdev_info(dev, "loading firmware %s\n", firmware);
 392
 393         if (!(&vif->ndev->dev))
 394                 goto _fail_;
 395
 396         if (request_firmware(&wilc_firmware, firmware, wilc->dev) != 0) {
 397                 netdev_err(dev, "%s - firmare not available\n", firmware);
 398                 ret = -1;
 399                 goto _fail_;
 400         }
 401         wilc->firmware = wilc_firmware;
 402
 403 _fail_:
 404
 405         return ret;
 406 }
 407
 408 static int linux_wlan_start_firmware(struct net_device *dev)
 409 {
 410         struct wilc_vif *vif;
 411         struct wilc *wilc;
 412         int ret = 0;
 413
 414         vif = netdev_priv(dev);
 415         wilc = vif->wilc;
 416
 417         ret = wilc_wlan_start(wilc);
 418         if (ret < 0)
 419                 return ret;
 420
 421         ret = wilc_lock_timeout(wilc, &wilc->sync_event, 5000);
 422         if (ret)
 423                 return ret;
 424
 425         return 0;
 426 }
 427
 428 static int wilc1000_firmware_download(struct net_device *dev)
 429 {
 430         struct wilc_vif *vif;
 431         struct wilc *wilc;
 432         int ret = 0;
 433
 434         vif = netdev_priv(dev);
 435         wilc = vif->wilc;
 436
 437         if (!wilc->firmware) {
 438                 netdev_err(dev, "Firmware buffer is NULL\n");
 439                 return -ENOBUFS;
 440         }
 441
 442         ret = wilc_wlan_firmware_download(wilc, wilc->firmware->data,
 443                                           wilc->firmware->size);
 444         if (ret < 0)
 445                 return ret;
 446
 447         release_firmware(wilc->firmware);
 448         wilc->firmware = NULL;
 449
 450         netdev_dbg(dev, "Download Succeeded\n");
 451
 452         return 0;
 453 }
 454
 455 static int linux_wlan_init_test_config(struct net_device *dev,
 456                                        struct wilc_vif *vif)
 457 {
 458         unsigned char c_val[64];
 459         unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff};
 460         struct wilc *wilc = vif->wilc;
 461         struct wilc_priv *priv;
 462         struct host_if_drv *hif_drv;
 463
 464         netdev_dbg(dev, "Start configuring Firmware\n");
 465         priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
 466         hif_drv = (struct host_if_drv *)priv->hif_drv;
 467         netdev_dbg(dev, "Host = %p\n", hif_drv);
 468         wilc_get_mac_address(vif, mac_add);
 469
 470         netdev_dbg(dev, "MAC address is : %pM\n", mac_add);
 471         wilc_get_chipid(wilc, false);
 472
 473         *(int *)c_val = 1;
 474
 475         if (!wilc_wlan_cfg_set(vif, 1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
 476                 goto _fail_;
 477
 478         c_val[0] = 0;
 479         if (!wilc_wlan_cfg_set(vif, 0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
 480                 goto _fail_;
 481
 482         c_val[0] = INFRASTRUCTURE;
 483         if (!wilc_wlan_cfg_set(vif, 0, WID_BSS_TYPE, c_val, 1, 0, 0))
 484                 goto _fail_;
 485
 486         c_val[0] = RATE_AUTO;
 487         if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
 488                 goto _fail_;
 489
 490         c_val[0] = G_MIXED_11B_2_MODE;
 491         if (!wilc_wlan_cfg_set(vif, 0, WID_11G_OPERATING_MODE, c_val, 1, 0,
 492                                0))
 493                 goto _fail_;
 494
 495         c_val[0] = 1;
 496         if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
 497                 goto _fail_;
 498
 499         c_val[0] = G_SHORT_PREAMBLE;
 500         if (!wilc_wlan_cfg_set(vif, 0, WID_PREAMBLE, c_val, 1, 0, 0))
 501                 goto _fail_;
 502
 503         c_val[0] = AUTO_PROT;
 504         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
 505                 goto _fail_;
 506
 507         c_val[0] = ACTIVE_SCAN;
 508         if (!wilc_wlan_cfg_set(vif, 0, WID_SCAN_TYPE, c_val, 1, 0, 0))
 509                 goto _fail_;
 510
 511         c_val[0] = SITE_SURVEY_OFF;
 512         if (!wilc_wlan_cfg_set(vif, 0, WID_SITE_SURVEY, c_val, 1, 0, 0))
 513                 goto _fail_;
 514
 515         *((int *)c_val) = 0xffff;
 516         if (!wilc_wlan_cfg_set(vif, 0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
 517                 goto _fail_;
 518
 519         *((int *)c_val) = 2346;
 520         if (!wilc_wlan_cfg_set(vif, 0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
 521                 goto _fail_;
 522
 523         c_val[0] = 0;
 524         if (!wilc_wlan_cfg_set(vif, 0, WID_BCAST_SSID, c_val, 1, 0, 0))
 525                 goto _fail_;
 526
 527         c_val[0] = 1;
 528         if (!wilc_wlan_cfg_set(vif, 0, WID_QOS_ENABLE, c_val, 1, 0, 0))
 529                 goto _fail_;
 530
 531         c_val[0] = NO_POWERSAVE;
 532         if (!wilc_wlan_cfg_set(vif, 0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
 533                 goto _fail_;
 534
 535         c_val[0] = NO_SECURITY; /* NO_ENCRYPT, 0x79 */
 536         if (!wilc_wlan_cfg_set(vif, 0, WID_11I_MODE, c_val, 1, 0, 0))
 537                 goto _fail_;
 538
 539         c_val[0] = OPEN_SYSTEM;
 540         if (!wilc_wlan_cfg_set(vif, 0, WID_AUTH_TYPE, c_val, 1, 0, 0))
 541                 goto _fail_;
 542
 543         strcpy(c_val, "123456790abcdef1234567890");
 544         if (!wilc_wlan_cfg_set(vif, 0, WID_WEP_KEY_VALUE, c_val,
 545                                (strlen(c_val) + 1), 0, 0))
 546                 goto _fail_;
 547
 548         strcpy(c_val, "12345678");
 549         if (!wilc_wlan_cfg_set(vif, 0, WID_11I_PSK, c_val, (strlen(c_val)), 0,
 550                                0))
 551                 goto _fail_;
 552
 553         strcpy(c_val, "password");
 554         if (!wilc_wlan_cfg_set(vif, 0, WID_1X_KEY, c_val, (strlen(c_val) + 1),
 555                                0, 0))
 556                 goto _fail_;
 557
 558         c_val[0] = 192;
 559         c_val[1] = 168;
 560         c_val[2] = 1;
 561         c_val[3] = 112;
 562         if (!wilc_wlan_cfg_set(vif, 0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
 563                 goto _fail_;
 564
 565         c_val[0] = 3;
 566         if (!wilc_wlan_cfg_set(vif, 0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
 567                 goto _fail_;
 568
 569         c_val[0] = 3;
 570         if (!wilc_wlan_cfg_set(vif, 0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
 571                 goto _fail_;
 572
 573         c_val[0] = NORMAL_ACK;
 574         if (!wilc_wlan_cfg_set(vif, 0, WID_ACK_POLICY, c_val, 1, 0, 0))
 575                 goto _fail_;
 576
 577         c_val[0] = 0;
 578         if (!wilc_wlan_cfg_set(vif, 0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1,
 579                                0, 0))
 580                 goto _fail_;
 581
 582         c_val[0] = 48;
 583         if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0,
 584                                0))
 585                 goto _fail_;
 586
 587         c_val[0] = 28;
 588         if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0,
 589                                0))
 590                 goto _fail_;
 591
 592         *((int *)c_val) = 100;
 593         if (!wilc_wlan_cfg_set(vif, 0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
 594                 goto _fail_;
 595
 596         c_val[0] = REKEY_DISABLE;
 597         if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_POLICY, c_val, 1, 0, 0))
 598                 goto _fail_;
 599
 600         *((int *)c_val) = 84600;
 601         if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
 602                 goto _fail_;
 603
 604         *((int *)c_val) = 500;
 605         if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PACKET_COUNT, c_val, 4, 0,
 606                                0))
 607                 goto _fail_;
 608
 609         c_val[0] = 1;
 610         if (!wilc_wlan_cfg_set(vif, 0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0,
 611                                0))
 612                 goto _fail_;
 613
 614         c_val[0] = G_SELF_CTS_PROT;
 615         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
 616                 goto _fail_;
 617
 618         c_val[0] = 1;
 619         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ENABLE, c_val, 1, 0, 0))
 620                 goto _fail_;
 621
 622         c_val[0] = HT_MIXED_MODE;
 623         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OPERATING_MODE, c_val, 1, 0,
 624                                0))
 625                 goto _fail_;
 626
 627         c_val[0] = 1;
 628         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0,
 629                                0))
 630                 goto _fail_;
 631
 632         memcpy(c_val, mac_add, 6);
 633
 634         if (!wilc_wlan_cfg_set(vif, 0, WID_MAC_ADDR, c_val, 6, 0, 0))
 635                 goto _fail_;
 636
 637         c_val[0] = DETECT_PROTECT_REPORT;
 638         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1,
 639                                0, 0))
 640                 goto _fail_;
 641
 642         c_val[0] = RTS_CTS_NONHT_PROT;
 643         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
 644                 goto _fail_;
 645
 646         c_val[0] = 0;
 647         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0,
 648                                0))
 649                 goto _fail_;
 650
 651         c_val[0] = MIMO_MODE;
 652         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
 653                 goto _fail_;
 654
 655         c_val[0] = 7;
 656         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0,
 657                                0))
 658                 goto _fail_;
 659
 660         c_val[0] = 1;
 661         if (!wilc_wlan_cfg_set(vif, 0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1,
 662                                1, 1))
 663                 goto _fail_;
 664
 665         return 0;
 666
 667 _fail_:
 668         return -1;
 669 }
 670
 671 void wilc1000_wlan_deinit(struct net_device *dev)
 672 {
 673         struct wilc_vif *vif;
 674         struct wilc *wl;
 675
 676         vif = netdev_priv(dev);
 677         wl = vif->wilc;
 678
 679         if (!wl) {
 680                 netdev_err(dev, "wl is NULL\n");
 681                 return;
 682         }
 683
 684         if (wl->initialized)    {
 685                 netdev_info(dev, "Deinitializing wilc1000...\n");
 686
 687                 if (!wl->dev_irq_num &&
 688                     wl->hif_func->disable_interrupt) {
 689                         mutex_lock(&wl->hif_cs);
 690                         wl->hif_func->disable_interrupt(wl);
 691                         mutex_unlock(&wl->hif_cs);
 692                 }
 693                 if (&wl->txq_event)
 694                         up(&wl->txq_event);
 695
 696                 wlan_deinitialize_threads(dev);
 697                 deinit_irq(dev);
 698
 699                 wilc_wlan_stop(wl);
 700                 wilc_wlan_cleanup(dev);
 701 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
 702                 if (!wl->dev_irq_num &&
 703                     wl->hif_func->disable_interrupt) {
 704                         mutex_lock(&wl->hif_cs);
 705                         wl->hif_func->disable_interrupt(wl);
 706                         mutex_unlock(&wl->hif_cs);
 707                 }
 708 #endif
 709                 wlan_deinit_locks(dev);
 710
 711                 wl->initialized = false;
 712
 713                 netdev_dbg(dev, "wilc1000 deinitialization Done\n");
 714         } else {
 715                 netdev_dbg(dev, "wilc1000 is not initialized\n");
 716         }
 717 }
 718
 719 static int wlan_init_locks(struct net_device *dev)
 720 {
 721         struct wilc_vif *vif;
 722         struct wilc *wl;
 723
 724         vif = netdev_priv(dev);
 725         wl = vif->wilc;
 726
 727         mutex_init(&wl->hif_cs);
 728         mutex_init(&wl->rxq_cs);
 729
 730         spin_lock_init(&wl->txq_spinlock);
 731         sema_init(&wl->txq_add_to_head_cs, 1);
 732
 733         sema_init(&wl->txq_event, 0);
 734
 735         sema_init(&wl->cfg_event, 0);
 736         sema_init(&wl->sync_event, 0);
 737
 738         sema_init(&wl->txq_thread_started, 0);
 739
 740         return 0;
 741 }
 742
 743 static int wlan_deinit_locks(struct net_device *dev)
 744 {
 745         struct wilc_vif *vif;
 746         struct wilc *wilc;
 747
 748         vif = netdev_priv(dev);
 749         wilc = vif->wilc;
 750
 751         if (&wilc->hif_cs)
 752                 mutex_destroy(&wilc->hif_cs);
 753
 754         if (&wilc->rxq_cs)
 755                 mutex_destroy(&wilc->rxq_cs);
 756
 757         return 0;
 758 }
 759
 760 static int wlan_initialize_threads(struct net_device *dev)
 761 {
 762         struct wilc_vif *vif;
 763         struct wilc *wilc;
 764
 765         vif = netdev_priv(dev);
 766         wilc = vif->wilc;
 767
 768         wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev,
 769                                      "K_TXQ_TASK");
 770         if (!wilc->txq_thread) {
 771                 netdev_err(dev, "couldn't create TXQ thread\n");
 772                 wilc->close = 0;
 773                 return -ENOBUFS;
 774         }
 775         down(&wilc->txq_thread_started);
 776
 777         return 0;
 778 }
 779
 780 static void wlan_deinitialize_threads(struct net_device *dev)
 781 {
 782         struct wilc_vif *vif;
 783         struct wilc *wl;
 784
 785         vif = netdev_priv(dev);
 786         wl = vif->wilc;
 787
 788         wl->close = 1;
 789
 790         if (&wl->txq_event)
 791                 up(&wl->txq_event);
 792
 793         if (wl->txq_thread) {
 794                 kthread_stop(wl->txq_thread);
 795                 wl->txq_thread = NULL;
 796         }
 797 }
 798
 799 int wilc1000_wlan_init(struct net_device *dev, struct wilc_vif *vif)
 800 {
 801         int ret = 0;
 802         struct wilc *wl = vif->wilc;
 803
 804         if (!wl->initialized) {
 805                 wl->mac_status = WILC_MAC_STATUS_INIT;
 806                 wl->close = 0;
 807
 808                 wlan_init_locks(dev);
 809
 810                 ret = wilc_wlan_init(dev);
 811                 if (ret < 0) {
 812                         ret = -EIO;
 813                         goto _fail_locks_;
 814                 }
 815
 816                 if (wl->gpio >= 0 && init_irq(dev)) {
 817                         ret = -EIO;
 818                         goto _fail_locks_;
 819                 }
 820
 821                 ret = wlan_initialize_threads(dev);
 822                 if (ret < 0) {
 823                         ret = -EIO;
 824                         goto _fail_wilc_wlan_;
 825                 }
 826
 827                 if (!wl->dev_irq_num &&
 828                     wl->hif_func->enable_interrupt &&
 829                     wl->hif_func->enable_interrupt(wl)) {
 830                         ret = -EIO;
 831                         goto _fail_irq_init_;
 832                 }
 833
 834                 if (wilc_wlan_get_firmware(dev)) {
 835                         ret = -EIO;
 836                         goto _fail_irq_enable_;
 837                 }
 838
 839                 ret = wilc1000_firmware_download(dev);
 840                 if (ret < 0) {
 841                         ret = -EIO;
 842                         goto _fail_irq_enable_;
 843                 }
 844
 845                 ret = linux_wlan_start_firmware(dev);
 846                 if (ret < 0) {
 847                         ret = -EIO;
 848                         goto _fail_irq_enable_;
 849                 }
 850
 851                 if (wilc_wlan_cfg_get(vif, 1, WID_FIRMWARE_VERSION, 1, 0)) {
 852                         int size;
 853                         char firmware_ver[20];
 854
 855                         size = wilc_wlan_cfg_get_val(WID_FIRMWARE_VERSION,
 856                                                      firmware_ver,
 857                                                      sizeof(firmware_ver));
 858                         firmware_ver[size] = '\0';
 859                         netdev_dbg(dev, "Firmware Ver = %s\n", firmware_ver);
 860                 }
 861                 ret = linux_wlan_init_test_config(dev, vif);
 862
 863                 if (ret < 0) {
 864                         netdev_err(dev, "Failed to configure firmware\n");
 865                         ret = -EIO;
 866                         goto _fail_fw_start_;
 867                 }
 868
 869                 wl->initialized = true;
 870                 return 0;
 871
 872 _fail_fw_start_:
 873                 wilc_wlan_stop(wl);
 874
 875 _fail_irq_enable_:
 876                 if (!wl->dev_irq_num &&
 877                     wl->hif_func->disable_interrupt)
 878                         wl->hif_func->disable_interrupt(wl);
 879 _fail_irq_init_:
 880                 if (wl->dev_irq_num)
 881                         deinit_irq(dev);
 882
 883                 wlan_deinitialize_threads(dev);
 884 _fail_wilc_wlan_:
 885                 wilc_wlan_cleanup(dev);
 886 _fail_locks_:
 887                 wlan_deinit_locks(dev);
 888                 netdev_err(dev, "WLAN Iinitialization FAILED\n");
 889         } else {
 890                 netdev_dbg(dev, "wilc1000 already initialized\n");
 891         }
 892         return ret;
 893 }
 894
 895 static int mac_init_fn(struct net_device *ndev)
 896 {
 897         netif_start_queue(ndev);
 898         netif_stop_queue(ndev);
 899
 900         return 0;
 901 }
 902
 903 int wilc_mac_open(struct net_device *ndev)
 904 {
 905         struct wilc_vif *vif;
 906         struct wilc *wilc;
 907
 908         unsigned char mac_add[ETH_ALEN] = {0};
 909         int ret = 0;
 910         int i = 0;
 911         struct wilc_priv *priv;
 912         struct wilc *wl;
 913
 914         vif = netdev_priv(ndev);
 915         wl = vif->wilc;
 916
 917         if (!wl || !wl->dev) {
 918                 netdev_err(ndev, "wilc1000: SPI device not ready\n");
 919                 return -ENODEV;
 920         }
 921
 922         vif = netdev_priv(ndev);
 923         wilc = vif->wilc;
 924         priv = wiphy_priv(vif->ndev->ieee80211_ptr->wiphy);
 925         netdev_dbg(ndev, "MAC OPEN[%p]\n", ndev);
 926
 927         ret = wilc_init_host_int(ndev);
 928         if (ret < 0)
 929                 return ret;
 930
 931         ret = wilc1000_wlan_init(ndev, vif);
 932         if (ret < 0) {
 933                 wilc_deinit_host_int(ndev);
 934                 return ret;
 935         }
 936
 937         for (i = 0; i < wl->vif_num; i++) {
 938                 if (ndev == wl->vif[i]->ndev) {
 939                         if (vif->iftype == AP_MODE) {
 940                                 wilc_set_wfi_drv_handler(vif,
 941                                                          wilc_get_vif_idx(vif),
 942                                                          0);
 943                         } else if (!wilc_wlan_get_num_conn_ifcs(wilc)) {
 944                                 wilc_set_wfi_drv_handler(vif,
 945                                                          wilc_get_vif_idx(vif),
 946                                                          wilc->open_ifcs);
 947                         } else {
 948                                 if (memcmp(wilc->vif[i ^ 1]->bssid,
 949                                            wilc->vif[i ^ 1]->src_addr, 6))
 950                                         wilc_set_wfi_drv_handler(vif,
 951                                                          wilc_get_vif_idx(vif),
 952                                                          0);
 953                                 else
 954                                         wilc_set_wfi_drv_handler(vif,
 955                                                          wilc_get_vif_idx(vif),
 956                                                          1);
 957                         }
 958                         wilc_set_operation_mode(vif, vif->iftype);
 959
 960                         wilc_get_mac_address(vif, mac_add);
 961                         netdev_dbg(ndev, "Mac address: %pM\n", mac_add);
 962                         memcpy(wl->vif[i]->src_addr, mac_add, ETH_ALEN);
 963
 964                         break;
 965                 }
 966         }
 967
 968         memcpy(ndev->dev_addr, wl->vif[i]->src_addr, ETH_ALEN);
 969
 970         if (!is_valid_ether_addr(ndev->dev_addr)) {
 971                 netdev_err(ndev, "Wrong MAC address\n");
 972                 wilc_deinit_host_int(ndev);
 973                 wilc1000_wlan_deinit(ndev);
 974                 return -EINVAL;
 975         }
 976
 977         wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
 978                                  vif->ndev->ieee80211_ptr,
 979                                  vif->g_struct_frame_reg[0].frame_type,
 980                                  vif->g_struct_frame_reg[0].reg);
 981         wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
 982                                  vif->ndev->ieee80211_ptr,
 983                                  vif->g_struct_frame_reg[1].frame_type,
 984                                  vif->g_struct_frame_reg[1].reg);
 985         netif_wake_queue(ndev);
 986         wl->open_ifcs++;
 987         vif->mac_opened = 1;
 988         return 0;
 989 }
 990
 991 static struct net_device_stats *mac_stats(struct net_device *dev)
 992 {
 993         struct wilc_vif *vif = netdev_priv(dev);
 994
 995         return &vif->netstats;
 996 }
 997
 998 static void wilc_set_multicast_list(struct net_device *dev)
 999 {
1000         struct netdev_hw_addr *ha;
1001         struct wilc_priv *priv;
1002         struct host_if_drv *hif_drv;
1003         struct wilc_vif *vif;
1004         int i = 0;
1005
1006         priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
1007         vif = netdev_priv(dev);
1008         hif_drv = (struct host_if_drv *)priv->hif_drv;
1009
1010         if (dev->flags & IFF_PROMISC)
1011                 return;
1012
1013         if ((dev->flags & IFF_ALLMULTI) ||
1014             (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
1015                 wilc_setup_multicast_filter(vif, false, 0);
1016                 return;
1017         }
1018
1019         if ((dev->mc.count) == 0) {
1020                 wilc_setup_multicast_filter(vif, true, 0);
1021                 return;
1022         }
1023
1024         netdev_for_each_mc_addr(ha, dev) {
1025                 memcpy(wilc_multicast_mac_addr_list[i], ha->addr, ETH_ALEN);
1026                 netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
1027                            wilc_multicast_mac_addr_list[i][0],
1028                            wilc_multicast_mac_addr_list[i][1],
1029                            wilc_multicast_mac_addr_list[i][2],
1030                            wilc_multicast_mac_addr_list[i][3],
1031                            wilc_multicast_mac_addr_list[i][4],
1032                            wilc_multicast_mac_addr_list[i][5]);
1033                 i++;
1034         }
1035
1036         wilc_setup_multicast_filter(vif, true, (dev->mc.count));
1037 }
1038
1039 static void linux_wlan_tx_complete(void *priv, int status)
1040 {
1041         struct tx_complete_data *pv_data = priv;
1042
1043         dev_kfree_skb(pv_data->skb);
1044         kfree(pv_data);
1045 }
1046
1047 int wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)
1048 {
1049         struct wilc_vif *vif;
1050         struct tx_complete_data *tx_data = NULL;
1051         int queue_count;
1052         char *udp_buf;
1053         struct iphdr *ih;
1054         struct ethhdr *eth_h;
1055         struct wilc *wilc;
1056
1057         vif = netdev_priv(ndev);
1058         wilc = vif->wilc;
1059
1060         if (skb->dev != ndev) {
1061                 netdev_err(ndev, "Packet not destined to this device\n");
1062                 return 0;
1063         }
1064
1065         tx_data = kmalloc(sizeof(*tx_data), GFP_ATOMIC);
1066         if (!tx_data) {
1067                 dev_kfree_skb(skb);
1068                 netif_wake_queue(ndev);
1069                 return 0;
1070         }
1071
1072         tx_data->buff = skb->data;
1073         tx_data->size = skb->len;
1074         tx_data->skb  = skb;
1075
1076         eth_h = (struct ethhdr *)(skb->data);
1077         if (eth_h->h_proto == 0x8e88)
1078                 netdev_dbg(ndev, "EAPOL transmitted\n");
1079
1080         ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
1081
1082         udp_buf = (char *)ih + sizeof(struct iphdr);
1083         if ((udp_buf[1] == 68 && udp_buf[3] == 67) ||
1084             (udp_buf[1] == 67 && udp_buf[3] == 68))
1085                 netdev_dbg(ndev, "DHCP Message transmitted, type:%x %x %x\n",
1086                            udp_buf[248], udp_buf[249], udp_buf[250]);
1087
1088         vif->netstats.tx_packets++;
1089         vif->netstats.tx_bytes += tx_data->size;
1090         tx_data->bssid = wilc->vif[vif->idx]->bssid;
1091         queue_count = wilc_wlan_txq_add_net_pkt(ndev, (void *)tx_data,
1092                                                 tx_data->buff, tx_data->size,
1093                                                 linux_wlan_tx_complete);
1094
1095         if (queue_count > FLOW_CONTROL_UPPER_THRESHOLD) {
1096                 netif_stop_queue(wilc->vif[0]->ndev);
1097                 netif_stop_queue(wilc->vif[1]->ndev);
1098         }
1099
1100         return 0;
1101 }
1102
1103 int wilc_mac_close(struct net_device *ndev)
1104 {
1105         struct wilc_priv *priv;
1106         struct wilc_vif *vif;
1107         struct host_if_drv *hif_drv;
1108         struct wilc *wl;
1109
1110         vif = netdev_priv(ndev);
1111
1112         if (!vif || !vif->ndev || !vif->ndev->ieee80211_ptr ||
1113             !vif->ndev->ieee80211_ptr->wiphy)
1114                 return 0;
1115
1116         priv = wiphy_priv(vif->ndev->ieee80211_ptr->wiphy);
1117         wl = vif->wilc;
1118
1119         if (!priv)
1120                 return 0;
1121
1122         hif_drv = (struct host_if_drv *)priv->hif_drv;
1123
1124         netdev_dbg(ndev, "Mac close\n");
1125
1126         if (!wl)
1127                 return 0;
1128
1129         if (!hif_drv)
1130                 return 0;
1131
1132         if ((wl->open_ifcs) > 0)
1133                 wl->open_ifcs--;
1134         else
1135                 return 0;
1136
1137         if (vif->ndev) {
1138                 netif_stop_queue(vif->ndev);
1139
1140                 wilc_deinit_host_int(vif->ndev);
1141         }
1142
1143         if (wl->open_ifcs == 0) {
1144                 netdev_dbg(ndev, "Deinitializing wilc1000\n");
1145                 wl->close = 1;
1146                 wilc1000_wlan_deinit(ndev);
1147                 WILC_WFI_deinit_mon_interface();
1148         }
1149
1150         up(&close_exit_sync);
1151         vif->mac_opened = 0;
1152
1153         return 0;
1154 }
1155
1156 static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
1157 {
1158         u8 *buff = NULL;
1159         s8 rssi;
1160         u32 size = 0, length = 0;
1161         struct wilc_vif *vif;
1162         struct wilc_priv *priv;
1163         s32 ret = 0;
1164         struct wilc *wilc;
1165
1166         vif = netdev_priv(ndev);
1167         wilc = vif->wilc;
1168
1169         if (!wilc->initialized)
1170                 return 0;
1171
1172         switch (cmd) {
1173         case SIOCSIWPRIV:
1174         {
1175                 struct iwreq *wrq = (struct iwreq *)req;
1176
1177                 size = wrq->u.data.length;
1178
1179                 if (size && wrq->u.data.pointer) {
1180                         buff = memdup_user(wrq->u.data.pointer,
1181                                            wrq->u.data.length);
1182                         if (IS_ERR(buff))
1183                                 return PTR_ERR(buff);
1184
1185                         if (strncasecmp(buff, "RSSI", length) == 0) {
1186                                 priv = wiphy_priv(vif->ndev->ieee80211_ptr->wiphy);
1187                                 ret = wilc_get_rssi(vif, &rssi);
1188                                 netdev_info(ndev, "RSSI :%d\n", rssi);
1189
1190                                 rssi += 5;
1191
1192                                 snprintf(buff, size, "rssi %d", rssi);
1193
1194                                 if (copy_to_user(wrq->u.data.pointer, buff, size)) {
1195                                         netdev_err(ndev, "failed to copy\n");
1196                                         ret = -EFAULT;
1197                                         goto done;
1198                                 }
1199                         }
1200                 }
1201         }
1202         break;
1203
1204         default:
1205         {
1206                 netdev_info(ndev, "Command - %d - has been received\n", cmd);
1207                 ret = -EOPNOTSUPP;
1208                 goto done;
1209         }
1210         }
1211
1212 done:
1213
1214         kfree(buff);
1215
1216         return ret;
1217 }
1218
1219 void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset)
1220 {
1221         unsigned int frame_len = 0;
1222         int stats;
1223         unsigned char *buff_to_send = NULL;
1224         struct sk_buff *skb;
1225         struct net_device *wilc_netdev;
1226         struct wilc_vif *vif;
1227
1228         if (!wilc)
1229                 return;
1230
1231         wilc_netdev = get_if_handler(wilc, buff);
1232         if (!wilc_netdev)
1233                 return;
1234
1235         buff += pkt_offset;
1236         vif = netdev_priv(wilc_netdev);
1237
1238         if (size > 0) {
1239                 frame_len = size;
1240                 buff_to_send = buff;
1241
1242                 skb = dev_alloc_skb(frame_len);
1243                 if (!skb)
1244                         return;
1245
1246                 skb->dev = wilc_netdev;
1247
1248                 memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
1249
1250                 skb->protocol = eth_type_trans(skb, wilc_netdev);
1251                 vif->netstats.rx_packets++;
1252                 vif->netstats.rx_bytes += frame_len;
1253                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1254                 stats = netif_rx(skb);
1255                 netdev_dbg(wilc_netdev, "netif_rx ret value is: %d\n", stats);
1256         }
1257 }
1258
1259 void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size)
1260 {
1261         int i = 0;
1262         struct wilc_vif *vif;
1263
1264         for (i = 0; i < wilc->vif_num; i++) {
1265                 vif = netdev_priv(wilc->vif[i]->ndev);
1266                 if (vif->monitor_flag) {
1267                         WILC_WFI_monitor_rx(buff, size);
1268                         return;
1269                 }
1270         }
1271
1272         vif = netdev_priv(wilc->vif[1]->ndev);
1273         if ((buff[0] == vif->g_struct_frame_reg[0].frame_type && vif->g_struct_frame_reg[0].reg) ||
1274             (buff[0] == vif->g_struct_frame_reg[1].frame_type && vif->g_struct_frame_reg[1].reg))
1275                 WILC_WFI_p2p_rx(wilc->vif[1]->ndev, buff, size);
1276 }
1277
1278 void wilc_netdev_cleanup(struct wilc *wilc)
1279 {
1280         int i = 0;
1281         struct wilc_vif *vif[NUM_CONCURRENT_IFC];
1282
1283         if (wilc && (wilc->vif[0]->ndev || wilc->vif[1]->ndev)) {
1284                 unregister_inetaddr_notifier(&g_dev_notifier);
1285
1286                 for (i = 0; i < NUM_CONCURRENT_IFC; i++)
1287                         vif[i] = netdev_priv(wilc->vif[i]->ndev);
1288         }
1289
1290         if (wilc && wilc->firmware)
1291                 release_firmware(wilc->firmware);
1292
1293         if (wilc && (wilc->vif[0]->ndev || wilc->vif[1]->ndev)) {
1294                 wilc_lock_timeout(wilc, &close_exit_sync, 5 * 1000);
1295
1296                 for (i = 0; i < NUM_CONCURRENT_IFC; i++)
1297                         if (wilc->vif[i]->ndev)
1298                                 if (vif[i]->mac_opened)
1299                                         wilc_mac_close(wilc->vif[i]->ndev);
1300
1301                 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
1302                         unregister_netdev(wilc->vif[i]->ndev);
1303                         wilc_free_wiphy(wilc->vif[i]->ndev);
1304                         free_netdev(wilc->vif[i]->ndev);
1305                 }
1306         }
1307
1308         kfree(wilc);
1309 }
1310 EXPORT_SYMBOL_GPL(wilc_netdev_cleanup);
1311
1312 int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
1313                      int gpio, const struct wilc_hif_func *ops)
1314 {
1315         int i, ret;
1316         struct wilc_vif *vif;
1317         struct net_device *ndev;
1318         struct wilc *wl;
1319
1320         sema_init(&close_exit_sync, 0);
1321
1322         wl = kzalloc(sizeof(*wl), GFP_KERNEL);
1323         if (!wl)
1324                 return -ENOMEM;
1325
1326         *wilc = wl;
1327         wl->io_type = io_type;
1328         wl->gpio = gpio;
1329         wl->hif_func = ops;
1330
1331         register_inetaddr_notifier(&g_dev_notifier);
1332
1333         for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
1334                 ndev = alloc_etherdev(sizeof(struct wilc_vif));
1335                 if (!ndev)
1336                         return -ENOMEM;
1337
1338                 vif = netdev_priv(ndev);
1339                 memset(vif, 0, sizeof(struct wilc_vif));
1340
1341                 if (i == 0)
1342                         strcpy(ndev->name, "wlan%d");
1343                 else
1344                         strcpy(ndev->name, "p2p%d");
1345
1346                 vif->idx = wl->vif_num;
1347                 vif->wilc = *wilc;
1348                 wl->vif[i] = vif;
1349                 wl->vif[wl->vif_num]->ndev = ndev;
1350                 wl->vif_num++;
1351                 ndev->netdev_ops = &wilc_netdev_ops;
1352
1353                 {
1354                         struct wireless_dev *wdev;
1355
1356                         wdev = wilc_create_wiphy(ndev, dev);
1357
1358                         if (dev)
1359                                 SET_NETDEV_DEV(ndev, dev);
1360
1361                         if (!wdev) {
1362                                 netdev_err(ndev, "Can't register WILC Wiphy\n");
1363                                 return -1;
1364                         }
1365
1366                         vif->ndev->ieee80211_ptr = wdev;
1367                         vif->ndev->ml_priv = vif;
1368                         wdev->netdev = vif->ndev;
1369                         vif->netstats.rx_packets = 0;
1370                         vif->netstats.tx_packets = 0;
1371                         vif->netstats.rx_bytes = 0;
1372                         vif->netstats.tx_bytes = 0;
1373                 }
1374
1375                 ret = register_netdev(ndev);
1376                 if (ret)
1377                         return ret;
1378
1379                 vif->iftype = STATION_MODE;
1380                 vif->mac_opened = 0;
1381         }
1382
1383         return 0;
1384 }
1385 EXPORT_SYMBOL_GPL(wilc_netdev_init);
1386
1387 MODULE_LICENSE("GPL");