drivers/net/wireless/quantenna/qtnfmac/cfg80211.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */
   3
   4 #include <linux/kernel.h>
   5 #include <linux/etherdevice.h>
   6 #include <linux/vmalloc.h>
   7 #include <linux/ieee80211.h>
   8 #include <net/cfg80211.h>
   9 #include <net/netlink.h>
  10
  11 #include "cfg80211.h"
  12 #include "commands.h"
  13 #include "core.h"
  14 #include "util.h"
  15 #include "bus.h"
  16
  17 /* Supported rates to be advertised to the cfg80211 */
  18 static struct ieee80211_rate qtnf_rates_2g[] = {
  19         {.bitrate = 10, .hw_value = 2, },
  20         {.bitrate = 20, .hw_value = 4, },
  21         {.bitrate = 55, .hw_value = 11, },
  22         {.bitrate = 110, .hw_value = 22, },
  23         {.bitrate = 60, .hw_value = 12, },
  24         {.bitrate = 90, .hw_value = 18, },
  25         {.bitrate = 120, .hw_value = 24, },
  26         {.bitrate = 180, .hw_value = 36, },
  27         {.bitrate = 240, .hw_value = 48, },
  28         {.bitrate = 360, .hw_value = 72, },
  29         {.bitrate = 480, .hw_value = 96, },
  30         {.bitrate = 540, .hw_value = 108, },
  31 };
  32
  33 /* Supported rates to be advertised to the cfg80211 */
  34 static struct ieee80211_rate qtnf_rates_5g[] = {
  35         {.bitrate = 60, .hw_value = 12, },
  36         {.bitrate = 90, .hw_value = 18, },
  37         {.bitrate = 120, .hw_value = 24, },
  38         {.bitrate = 180, .hw_value = 36, },
  39         {.bitrate = 240, .hw_value = 48, },
  40         {.bitrate = 360, .hw_value = 72, },
  41         {.bitrate = 480, .hw_value = 96, },
  42         {.bitrate = 540, .hw_value = 108, },
  43 };
  44
  45 /* Supported crypto cipher suits to be advertised to cfg80211 */
  46 static const u32 qtnf_cipher_suites[] = {
  47         WLAN_CIPHER_SUITE_TKIP,
  48         WLAN_CIPHER_SUITE_CCMP,
  49         WLAN_CIPHER_SUITE_AES_CMAC,
  50 };
  51
  52 /* Supported mgmt frame types to be advertised to cfg80211 */
  53 static const struct ieee80211_txrx_stypes
  54 qtnf_mgmt_stypes[NUM_NL80211_IFTYPES] = {
  55         [NL80211_IFTYPE_STATION] = {
  56                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  57                       BIT(IEEE80211_STYPE_AUTH >> 4),
  58                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  59                       BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
  60                       BIT(IEEE80211_STYPE_AUTH >> 4),
  61         },
  62         [NL80211_IFTYPE_AP] = {
  63                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4),
  64                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  65                       BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
  66                       BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
  67                       BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
  68                       BIT(IEEE80211_STYPE_AUTH >> 4),
  69         },
  70 };
  71
  72 static int
  73 qtnf_validate_iface_combinations(struct wiphy *wiphy,
  74                                  struct qtnf_vif *change_vif,
  75                                  enum nl80211_iftype new_type)
  76 {
  77         struct qtnf_wmac *mac;
  78         struct qtnf_vif *vif;
  79         int i;
  80         int ret = 0;
  81         struct iface_combination_params params = {
  82                 .num_different_channels = 1,
  83         };
  84
  85         mac = wiphy_priv(wiphy);
  86         if (!mac)
  87                 return -EFAULT;
  88
  89         for (i = 0; i < QTNF_MAX_INTF; i++) {
  90                 vif = &mac->iflist[i];
  91                 if (vif->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED)
  92                         params.iftype_num[vif->wdev.iftype]++;
  93         }
  94
  95         if (change_vif) {
  96                 params.iftype_num[new_type]++;
  97                 params.iftype_num[change_vif->wdev.iftype]--;
  98         } else {
  99                 params.iftype_num[new_type]++;
 100         }
 101
 102         ret = cfg80211_check_combinations(wiphy, &params);
 103
 104         return ret;
 105 }
 106
 107 static int
 108 qtnf_change_virtual_intf(struct wiphy *wiphy,
 109                          struct net_device *dev,
 110                          enum nl80211_iftype type,
 111                          struct vif_params *params)
 112 {
 113         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 114         u8 *mac_addr = NULL;
 115         int use4addr = 0;
 116         int ret;
 117
 118         ret = qtnf_validate_iface_combinations(wiphy, vif, type);
 119         if (ret) {
 120                 pr_err("VIF%u.%u combination check: failed to set type %d\n",
 121                        vif->mac->macid, vif->vifid, type);
 122                 return ret;
 123         }
 124
 125         if (params) {
 126                 mac_addr = params->macaddr;
 127                 use4addr = params->use_4addr;
 128         }
 129
 130         qtnf_scan_done(vif->mac, true);
 131
 132         ret = qtnf_cmd_send_change_intf_type(vif, type, use4addr, mac_addr);
 133         if (ret) {
 134                 pr_err("VIF%u.%u: failed to change type to %d\n",
 135                        vif->mac->macid, vif->vifid, type);
 136                 return ret;
 137         }
 138
 139         vif->wdev.iftype = type;
 140         return 0;
 141 }
 142
 143 int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
 144 {
 145         struct net_device *netdev =  wdev->netdev;
 146         struct qtnf_vif *vif;
 147         struct sk_buff *skb;
 148
 149         if (WARN_ON(!netdev))
 150                 return -EFAULT;
 151
 152         vif = qtnf_netdev_get_priv(wdev->netdev);
 153
 154         qtnf_scan_done(vif->mac, true);
 155
 156         /* Stop data */
 157         netif_tx_stop_all_queues(netdev);
 158         if (netif_carrier_ok(netdev))
 159                 netif_carrier_off(netdev);
 160
 161         while ((skb = skb_dequeue(&vif->high_pri_tx_queue)))
 162                 dev_kfree_skb_any(skb);
 163
 164         cancel_work_sync(&vif->high_pri_tx_work);
 165
 166         if (netdev->reg_state == NETREG_REGISTERED)
 167                 unregister_netdevice(netdev);
 168
 169         if (qtnf_cmd_send_del_intf(vif))
 170                 pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid,
 171                        vif->vifid);
 172
 173         vif->netdev->ieee80211_ptr = NULL;
 174         vif->netdev = NULL;
 175         vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
 176
 177         return 0;
 178 }
 179
 180 static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy,
 181                                                   const char *name,
 182                                                   unsigned char name_assign_t,
 183                                                   enum nl80211_iftype type,
 184                                                   struct vif_params *params)
 185 {
 186         struct qtnf_wmac *mac;
 187         struct qtnf_vif *vif;
 188         u8 *mac_addr = NULL;
 189         int use4addr = 0;
 190         int ret;
 191
 192         mac = wiphy_priv(wiphy);
 193
 194         if (!mac)
 195                 return ERR_PTR(-EFAULT);
 196
 197         ret = qtnf_validate_iface_combinations(wiphy, NULL, type);
 198         if (ret) {
 199                 pr_err("MAC%u invalid combination: failed to add type %d\n",
 200                        mac->macid, type);
 201                 return ERR_PTR(ret);
 202         }
 203
 204         switch (type) {
 205         case NL80211_IFTYPE_STATION:
 206         case NL80211_IFTYPE_AP:
 207                 vif = qtnf_mac_get_free_vif(mac);
 208                 if (!vif) {
 209                         pr_err("MAC%u: no free VIF available\n", mac->macid);
 210                         return ERR_PTR(-EFAULT);
 211                 }
 212
 213                 eth_zero_addr(vif->mac_addr);
 214                 eth_zero_addr(vif->bssid);
 215                 vif->bss_priority = QTNF_DEF_BSS_PRIORITY;
 216                 memset(&vif->wdev, 0, sizeof(vif->wdev));
 217                 vif->wdev.wiphy = wiphy;
 218                 vif->wdev.iftype = type;
 219                 break;
 220         default:
 221                 pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type);
 222                 return ERR_PTR(-ENOTSUPP);
 223         }
 224
 225         if (params) {
 226                 mac_addr = params->macaddr;
 227                 use4addr = params->use_4addr;
 228         }
 229
 230         ret = qtnf_cmd_send_add_intf(vif, type, use4addr, mac_addr);
 231         if (ret) {
 232                 pr_err("VIF%u.%u: failed to add VIF %pM\n",
 233                        mac->macid, vif->vifid, mac_addr);
 234                 goto err_cmd;
 235         }
 236
 237         if (!is_valid_ether_addr(vif->mac_addr)) {
 238                 pr_err("VIF%u.%u: FW reported bad MAC: %pM\n",
 239                        mac->macid, vif->vifid, vif->mac_addr);
 240                 ret = -EINVAL;
 241                 goto err_mac;
 242         }
 243
 244         ret = qtnf_core_net_attach(mac, vif, name, name_assign_t);
 245         if (ret) {
 246                 pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid,
 247                        vif->vifid);
 248                 goto err_net;
 249         }
 250
 251         vif->wdev.netdev = vif->netdev;
 252         return &vif->wdev;
 253
 254 err_net:
 255         vif->netdev = NULL;
 256 err_mac:
 257         qtnf_cmd_send_del_intf(vif);
 258 err_cmd:
 259         vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
 260
 261         return ERR_PTR(ret);
 262 }
 263
 264 static int qtnf_mgmt_set_appie(struct qtnf_vif *vif,
 265                                const struct cfg80211_beacon_data *info)
 266 {
 267         int ret = 0;
 268
 269         if (!info->beacon_ies || !info->beacon_ies_len) {
 270                 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
 271                                                    NULL, 0);
 272         } else {
 273                 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
 274                                                    info->beacon_ies,
 275                                                    info->beacon_ies_len);
 276         }
 277
 278         if (ret)
 279                 goto out;
 280
 281         if (!info->proberesp_ies || !info->proberesp_ies_len) {
 282                 ret = qtnf_cmd_send_mgmt_set_appie(vif,
 283                                                    QLINK_IE_SET_PROBE_RESP_IES,
 284                                                    NULL, 0);
 285         } else {
 286                 ret = qtnf_cmd_send_mgmt_set_appie(vif,
 287                                                    QLINK_IE_SET_PROBE_RESP_IES,
 288                                                    info->proberesp_ies,
 289                                                    info->proberesp_ies_len);
 290         }
 291
 292         if (ret)
 293                 goto out;
 294
 295         if (!info->assocresp_ies || !info->assocresp_ies_len) {
 296                 ret = qtnf_cmd_send_mgmt_set_appie(vif,
 297                                                    QLINK_IE_SET_ASSOC_RESP,
 298                                                    NULL, 0);
 299         } else {
 300                 ret = qtnf_cmd_send_mgmt_set_appie(vif,
 301                                                    QLINK_IE_SET_ASSOC_RESP,
 302                                                    info->assocresp_ies,
 303                                                    info->assocresp_ies_len);
 304         }
 305
 306 out:
 307         return ret;
 308 }
 309
 310 static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev,
 311                               struct cfg80211_beacon_data *info)
 312 {
 313         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 314
 315         return qtnf_mgmt_set_appie(vif, info);
 316 }
 317
 318 static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev,
 319                          struct cfg80211_ap_settings *settings)
 320 {
 321         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 322         int ret;
 323
 324         ret = qtnf_cmd_send_start_ap(vif, settings);
 325         if (ret)
 326                 pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid,
 327                        vif->vifid);
 328
 329         return ret;
 330 }
 331
 332 static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev)
 333 {
 334         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 335         int ret;
 336
 337         qtnf_scan_done(vif->mac, true);
 338
 339         ret = qtnf_cmd_send_stop_ap(vif);
 340         if (ret)
 341                 pr_err("VIF%u.%u: failed to stop AP operation in FW\n",
 342                        vif->mac->macid, vif->vifid);
 343
 344         netif_carrier_off(vif->netdev);
 345
 346         return ret;
 347 }
 348
 349 static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed)
 350 {
 351         struct qtnf_wmac *mac = wiphy_priv(wiphy);
 352         struct qtnf_vif *vif;
 353         int ret;
 354
 355         vif = qtnf_mac_get_base_vif(mac);
 356         if (!vif) {
 357                 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
 358                 return -EFAULT;
 359         }
 360
 361         ret = qtnf_cmd_send_update_phy_params(mac, changed);
 362         if (ret)
 363                 pr_err("MAC%u: failed to update PHY params\n", mac->macid);
 364
 365         return ret;
 366 }
 367
 368 static void
 369 qtnf_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev,
 370                          u16 frame_type, bool reg)
 371 {
 372         struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
 373         u16 mgmt_type;
 374         u16 new_mask;
 375         u16 qlink_frame_type = 0;
 376
 377         mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
 378
 379         if (reg)
 380                 new_mask = vif->mgmt_frames_bitmask | BIT(mgmt_type);
 381         else
 382                 new_mask = vif->mgmt_frames_bitmask & ~BIT(mgmt_type);
 383
 384         if (new_mask == vif->mgmt_frames_bitmask)
 385                 return;
 386
 387         switch (frame_type & IEEE80211_FCTL_STYPE) {
 388         case IEEE80211_STYPE_REASSOC_REQ:
 389         case IEEE80211_STYPE_ASSOC_REQ:
 390                 qlink_frame_type = QLINK_MGMT_FRAME_ASSOC_REQ;
 391                 break;
 392         case IEEE80211_STYPE_AUTH:
 393                 qlink_frame_type = QLINK_MGMT_FRAME_AUTH;
 394                 break;
 395         case IEEE80211_STYPE_PROBE_REQ:
 396                 qlink_frame_type = QLINK_MGMT_FRAME_PROBE_REQ;
 397                 break;
 398         case IEEE80211_STYPE_ACTION:
 399                 qlink_frame_type = QLINK_MGMT_FRAME_ACTION;
 400                 break;
 401         default:
 402                 pr_warn("VIF%u.%u: unsupported frame type: %X\n",
 403                         vif->mac->macid, vif->vifid,
 404                         (frame_type & IEEE80211_FCTL_STYPE) >> 4);
 405                 return;
 406         }
 407
 408         if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) {
 409                 pr_warn("VIF%u.%u: failed to %sregister mgmt frame type 0x%x\n",
 410                         vif->mac->macid, vif->vifid, reg ? "" : "un",
 411                         frame_type);
 412                 return;
 413         }
 414
 415         vif->mgmt_frames_bitmask = new_mask;
 416         pr_debug("VIF%u.%u: %sregistered mgmt frame type 0x%x\n",
 417                  vif->mac->macid, vif->vifid, reg ? "" : "un", frame_type);
 418 }
 419
 420 static int
 421 qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 422              struct cfg80211_mgmt_tx_params *params, u64 *cookie)
 423 {
 424         struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
 425         const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf;
 426         u32 short_cookie = prandom_u32();
 427         u16 flags = 0;
 428         u16 freq;
 429
 430         *cookie = short_cookie;
 431
 432         if (params->offchan)
 433                 flags |= QLINK_FRAME_TX_FLAG_OFFCHAN;
 434
 435         if (params->no_cck)
 436                 flags |= QLINK_FRAME_TX_FLAG_NO_CCK;
 437
 438         if (params->dont_wait_for_ack)
 439                 flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT;
 440
 441         /* If channel is not specified, pass "freq = 0" to tell device
 442          * firmware to use current channel.
 443          */
 444         if (params->chan)
 445                 freq = params->chan->center_freq;
 446         else
 447                 freq = 0;
 448
 449         pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n",
 450                  wdev->netdev->name, freq,
 451                  le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da,
 452                  params->len, short_cookie, flags);
 453
 454         return qtnf_cmd_send_frame(vif, short_cookie, flags,
 455                                    freq, params->buf, params->len);
 456 }
 457
 458 static int
 459 qtnf_get_station(struct wiphy *wiphy, struct net_device *dev,
 460                  const u8 *mac, struct station_info *sinfo)
 461 {
 462         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 463
 464         sinfo->generation = vif->generation;
 465         return qtnf_cmd_get_sta_info(vif, mac, sinfo);
 466 }
 467
 468 static int
 469 qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev,
 470                   int idx, u8 *mac, struct station_info *sinfo)
 471 {
 472         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 473         const struct qtnf_sta_node *sta_node;
 474         int ret;
 475
 476         switch (vif->wdev.iftype) {
 477         case NL80211_IFTYPE_STATION:
 478                 if (idx != 0 || !vif->wdev.current_bss)
 479                         return -ENOENT;
 480
 481                 ether_addr_copy(mac, vif->bssid);
 482                 break;
 483         case NL80211_IFTYPE_AP:
 484                 sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx);
 485                 if (unlikely(!sta_node))
 486                         return -ENOENT;
 487
 488                 ether_addr_copy(mac, sta_node->mac_addr);
 489                 break;
 490         default:
 491                 return -ENOTSUPP;
 492         }
 493
 494         ret = qtnf_cmd_get_sta_info(vif, mac, sinfo);
 495
 496         if (vif->wdev.iftype == NL80211_IFTYPE_AP) {
 497                 if (ret == -ENOENT) {
 498                         cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL);
 499                         sinfo->filled = 0;
 500                 }
 501         }
 502
 503         sinfo->generation = vif->generation;
 504
 505         return ret;
 506 }
 507
 508 static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev,
 509                         u8 key_index, bool pairwise, const u8 *mac_addr,
 510                         struct key_params *params)
 511 {
 512         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 513         int ret;
 514
 515         ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params);
 516         if (ret)
 517                 pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n",
 518                        vif->mac->macid, vif->vifid, params->cipher, key_index,
 519                        pairwise);
 520
 521         return ret;
 522 }
 523
 524 static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev,
 525                         u8 key_index, bool pairwise, const u8 *mac_addr)
 526 {
 527         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 528         int ret;
 529
 530         ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr);
 531         if (ret) {
 532                 if (ret == -ENOENT) {
 533                         pr_debug("VIF%u.%u: key index %d out of bounds\n",
 534                                  vif->mac->macid, vif->vifid, key_index);
 535                 } else {
 536                         pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n",
 537                                vif->mac->macid, vif->vifid,
 538                                key_index, pairwise);
 539                 }
 540         }
 541
 542         return ret;
 543 }
 544
 545 static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev,
 546                                 u8 key_index, bool unicast, bool multicast)
 547 {
 548         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 549         int ret;
 550
 551         ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast);
 552         if (ret)
 553                 pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n",
 554                        vif->mac->macid, vif->vifid, key_index, unicast,
 555                        multicast);
 556
 557         return ret;
 558 }
 559
 560 static int
 561 qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev,
 562                           u8 key_index)
 563 {
 564         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 565         int ret;
 566
 567         ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index);
 568         if (ret)
 569                 pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n",
 570                        vif->mac->macid, vif->vifid, key_index);
 571
 572         return ret;
 573 }
 574
 575 static int
 576 qtnf_change_station(struct wiphy *wiphy, struct net_device *dev,
 577                     const u8 *mac, struct station_parameters *params)
 578 {
 579         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 580         int ret;
 581
 582         ret = qtnf_cmd_send_change_sta(vif, mac, params);
 583         if (ret)
 584                 pr_err("VIF%u.%u: failed to change STA %pM\n",
 585                        vif->mac->macid, vif->vifid, mac);
 586
 587         return ret;
 588 }
 589
 590 static int
 591 qtnf_del_station(struct wiphy *wiphy, struct net_device *dev,
 592                  struct station_del_parameters *params)
 593 {
 594         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 595         int ret;
 596
 597         if (params->mac &&
 598             (vif->wdev.iftype == NL80211_IFTYPE_AP) &&
 599             !is_broadcast_ether_addr(params->mac) &&
 600             !qtnf_sta_list_lookup(&vif->sta_list, params->mac))
 601                 return 0;
 602
 603         ret = qtnf_cmd_send_del_sta(vif, params);
 604         if (ret)
 605                 pr_err("VIF%u.%u: failed to delete STA %pM\n",
 606                        vif->mac->macid, vif->vifid, params->mac);
 607
 608         return ret;
 609 }
 610
 611 static int
 612 qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
 613 {
 614         struct qtnf_wmac *mac = wiphy_priv(wiphy);
 615         int ret;
 616
 617         cancel_delayed_work_sync(&mac->scan_timeout);
 618
 619         mac->scan_req = request;
 620
 621         ret = qtnf_cmd_send_scan(mac);
 622         if (ret) {
 623                 pr_err("MAC%u: failed to start scan\n", mac->macid);
 624                 mac->scan_req = NULL;
 625                 goto out;
 626         }
 627
 628         pr_debug("MAC%u: scan started\n", mac->macid);
 629         queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout,
 630                            QTNF_SCAN_TIMEOUT_SEC * HZ);
 631
 632 out:
 633         return ret;
 634 }
 635
 636 static int
 637 qtnf_connect(struct wiphy *wiphy, struct net_device *dev,
 638              struct cfg80211_connect_params *sme)
 639 {
 640         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 641         int ret;
 642
 643         if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
 644                 return -EOPNOTSUPP;
 645
 646         if (sme->auth_type == NL80211_AUTHTYPE_SAE &&
 647             !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) {
 648                 pr_err("can not offload authentication to userspace\n");
 649                 return -EOPNOTSUPP;
 650         }
 651
 652         if (sme->bssid)
 653                 ether_addr_copy(vif->bssid, sme->bssid);
 654         else
 655                 eth_zero_addr(vif->bssid);
 656
 657         ret = qtnf_cmd_send_connect(vif, sme);
 658         if (ret) {
 659                 pr_err("VIF%u.%u: failed to connect\n",
 660                        vif->mac->macid, vif->vifid);
 661                 goto out;
 662         }
 663
 664 out:
 665         return ret;
 666 }
 667
 668 static int
 669 qtnf_external_auth(struct wiphy *wiphy, struct net_device *dev,
 670                    struct cfg80211_external_auth_params *auth)
 671 {
 672         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 673         int ret;
 674
 675         if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
 676                 return -EOPNOTSUPP;
 677
 678         if (!ether_addr_equal(vif->bssid, auth->bssid))
 679                 pr_warn("unexpected bssid: %pM", auth->bssid);
 680
 681         ret = qtnf_cmd_send_external_auth(vif, auth);
 682         if (ret) {
 683                 pr_err("VIF%u.%u: failed to report external auth\n",
 684                        vif->mac->macid, vif->vifid);
 685                 goto out;
 686         }
 687
 688 out:
 689         return ret;
 690 }
 691
 692 static int
 693 qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev,
 694                 u16 reason_code)
 695 {
 696         struct qtnf_wmac *mac = wiphy_priv(wiphy);
 697         struct qtnf_vif *vif;
 698         int ret = 0;
 699
 700         vif = qtnf_mac_get_base_vif(mac);
 701         if (!vif) {
 702                 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
 703                 return -EFAULT;
 704         }
 705
 706         if (vif->wdev.iftype != NL80211_IFTYPE_STATION) {
 707                 ret = -EOPNOTSUPP;
 708                 goto out;
 709         }
 710
 711         ret = qtnf_cmd_send_disconnect(vif, reason_code);
 712         if (ret)
 713                 pr_err("VIF%u.%u: failed to disconnect\n",
 714                        mac->macid, vif->vifid);
 715
 716         if (vif->wdev.current_bss) {
 717                 netif_carrier_off(vif->netdev);
 718                 cfg80211_disconnected(vif->netdev, reason_code,
 719                                       NULL, 0, true, GFP_KERNEL);
 720         }
 721
 722 out:
 723         return ret;
 724 }
 725
 726 static int
 727 qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 728                  int idx, struct survey_info *survey)
 729 {
 730         struct qtnf_wmac *mac = wiphy_priv(wiphy);
 731         struct wireless_dev *wdev = dev->ieee80211_ptr;
 732         struct ieee80211_supported_band *sband;
 733         const struct cfg80211_chan_def *chandef = &wdev->chandef;
 734         struct ieee80211_channel *chan;
 735         struct qtnf_chan_stats stats;
 736         int ret;
 737
 738         sband = wiphy->bands[NL80211_BAND_2GHZ];
 739         if (sband && idx >= sband->n_channels) {
 740                 idx -= sband->n_channels;
 741                 sband = NULL;
 742         }
 743
 744         if (!sband)
 745                 sband = wiphy->bands[NL80211_BAND_5GHZ];
 746
 747         if (!sband || idx >= sband->n_channels)
 748                 return -ENOENT;
 749
 750         chan = &sband->channels[idx];
 751         memset(&stats, 0, sizeof(stats));
 752
 753         survey->channel = chan;
 754         survey->filled = 0x0;
 755
 756         if (chandef->chan) {
 757                 if (chan->hw_value == chandef->chan->hw_value)
 758                         survey->filled = SURVEY_INFO_IN_USE;
 759         }
 760
 761         ret = qtnf_cmd_get_chan_stats(mac, chan->hw_value, &stats);
 762         switch (ret) {
 763         case 0:
 764                 if (unlikely(stats.chan_num != chan->hw_value)) {
 765                         pr_err("received stats for channel %d instead of %d\n",
 766                                stats.chan_num, chan->hw_value);
 767                         ret = -EINVAL;
 768                         break;
 769                 }
 770
 771                 survey->filled |= SURVEY_INFO_TIME |
 772                                  SURVEY_INFO_TIME_SCAN |
 773                                  SURVEY_INFO_TIME_BUSY |
 774                                  SURVEY_INFO_TIME_RX |
 775                                  SURVEY_INFO_TIME_TX |
 776                                  SURVEY_INFO_NOISE_DBM;
 777
 778                 survey->time_scan = stats.cca_try;
 779                 survey->time = stats.cca_try;
 780                 survey->time_tx = stats.cca_tx;
 781                 survey->time_rx = stats.cca_rx;
 782                 survey->time_busy = stats.cca_busy;
 783                 survey->noise = stats.chan_noise;
 784                 break;
 785         case -ENOENT:
 786                 pr_debug("no stats for channel %u\n", chan->hw_value);
 787                 ret = 0;
 788                 break;
 789         default:
 790                 pr_debug("failed to get chan(%d) stats from card\n",
 791                          chan->hw_value);
 792                 break;
 793         }
 794
 795         return ret;
 796 }
 797
 798 static int
 799 qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
 800                  struct cfg80211_chan_def *chandef)
 801 {
 802         struct net_device *ndev = wdev->netdev;
 803         struct qtnf_vif *vif;
 804         int ret;
 805
 806         if (!ndev)
 807                 return -ENODEV;
 808
 809         vif = qtnf_netdev_get_priv(wdev->netdev);
 810
 811         ret = qtnf_cmd_get_channel(vif, chandef);
 812         if (ret) {
 813                 pr_err("%s: failed to get channel: %d\n", ndev->name, ret);
 814                 ret = -ENODATA;
 815                 goto out;
 816         }
 817
 818         if (!cfg80211_chandef_valid(chandef)) {
 819                 pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n",
 820                        ndev->name, chandef->chan->center_freq,
 821                        chandef->center_freq1, chandef->center_freq2,
 822                        chandef->width);
 823                 ret = -ENODATA;
 824                 goto out;
 825         }
 826
 827 out:
 828         return ret;
 829 }
 830
 831 static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 832                                struct cfg80211_csa_settings *params)
 833 {
 834         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 835         int ret;
 836
 837         pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name,
 838                  params->chandef.chan->hw_value, params->count,
 839                  params->radar_required, params->block_tx);
 840
 841         if (!cfg80211_chandef_valid(&params->chandef)) {
 842                 pr_err("%s: invalid channel\n", dev->name);
 843                 return -EINVAL;
 844         }
 845
 846         ret = qtnf_cmd_send_chan_switch(vif, params);
 847         if (ret)
 848                 pr_warn("%s: failed to switch to channel (%u)\n",
 849                         dev->name, params->chandef.chan->hw_value);
 850
 851         return ret;
 852 }
 853
 854 static int qtnf_start_radar_detection(struct wiphy *wiphy,
 855                                       struct net_device *ndev,
 856                                       struct cfg80211_chan_def *chandef,
 857                                       u32 cac_time_ms)
 858 {
 859         struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
 860         int ret;
 861
 862         if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
 863                 return -ENOTSUPP;
 864
 865         ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms);
 866         if (ret)
 867                 pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret);
 868
 869         return ret;
 870 }
 871
 872 static int qtnf_set_mac_acl(struct wiphy *wiphy,
 873                             struct net_device *dev,
 874                             const struct cfg80211_acl_data *params)
 875 {
 876         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 877         int ret;
 878
 879         ret = qtnf_cmd_set_mac_acl(vif, params);
 880         if (ret)
 881                 pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret);
 882
 883         return ret;
 884 }
 885
 886 static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
 887                                bool enabled, int timeout)
 888 {
 889         struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
 890         int ret;
 891
 892         ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY :
 893                                    QLINK_PM_OFF, timeout);
 894         if (ret)
 895                 pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret);
 896
 897         return ret;
 898 }
 899
 900 #ifdef CONFIG_PM
 901 static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan)
 902 {
 903         struct qtnf_wmac *mac = wiphy_priv(wiphy);
 904         struct qtnf_vif *vif;
 905         int ret = 0;
 906
 907         vif = qtnf_mac_get_base_vif(mac);
 908         if (!vif) {
 909                 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
 910                 ret = -EFAULT;
 911                 goto exit;
 912         }
 913
 914         if (!wowlan) {
 915                 pr_debug("WoWLAN triggers are not enabled\n");
 916                 qtnf_virtual_intf_cleanup(vif->netdev);
 917                 goto exit;
 918         }
 919
 920         qtnf_scan_done(vif->mac, true);
 921
 922         ret = qtnf_cmd_send_wowlan_set(vif, wowlan);
 923         if (ret) {
 924                 pr_err("MAC%u: failed to set WoWLAN triggers\n",
 925                        mac->macid);
 926                 goto exit;
 927         }
 928
 929 exit:
 930         return ret;
 931 }
 932
 933 static int qtnf_resume(struct wiphy *wiphy)
 934 {
 935         struct qtnf_wmac *mac = wiphy_priv(wiphy);
 936         struct qtnf_vif *vif;
 937         int ret = 0;
 938
 939         vif = qtnf_mac_get_base_vif(mac);
 940         if (!vif) {
 941                 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
 942                 ret = -EFAULT;
 943                 goto exit;
 944         }
 945
 946         ret = qtnf_cmd_send_wowlan_set(vif, NULL);
 947         if (ret) {
 948                 pr_err("MAC%u: failed to reset WoWLAN triggers\n",
 949                        mac->macid);
 950                 goto exit;
 951         }
 952
 953 exit:
 954         return ret;
 955 }
 956
 957 static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled)
 958 {
 959         struct qtnf_wmac *mac = wiphy_priv(wiphy);
 960         struct qtnf_bus *bus = mac->bus;
 961
 962         device_set_wakeup_enable(bus->dev, enabled);
 963 }
 964 #endif
 965
 966 static struct cfg80211_ops qtn_cfg80211_ops = {
 967         .add_virtual_intf       = qtnf_add_virtual_intf,
 968         .change_virtual_intf    = qtnf_change_virtual_intf,
 969         .del_virtual_intf       = qtnf_del_virtual_intf,
 970         .start_ap               = qtnf_start_ap,
 971         .change_beacon          = qtnf_change_beacon,
 972         .stop_ap                = qtnf_stop_ap,
 973         .set_wiphy_params       = qtnf_set_wiphy_params,
 974         .mgmt_frame_register    = qtnf_mgmt_frame_register,
 975         .mgmt_tx                = qtnf_mgmt_tx,
 976         .change_station         = qtnf_change_station,
 977         .del_station            = qtnf_del_station,
 978         .get_station            = qtnf_get_station,
 979         .dump_station           = qtnf_dump_station,
 980         .add_key                = qtnf_add_key,
 981         .del_key                = qtnf_del_key,
 982         .set_default_key        = qtnf_set_default_key,
 983         .set_default_mgmt_key   = qtnf_set_default_mgmt_key,
 984         .scan                   = qtnf_scan,
 985         .connect                = qtnf_connect,
 986         .external_auth          = qtnf_external_auth,
 987         .disconnect             = qtnf_disconnect,
 988         .dump_survey            = qtnf_dump_survey,
 989         .get_channel            = qtnf_get_channel,
 990         .channel_switch         = qtnf_channel_switch,
 991         .start_radar_detection  = qtnf_start_radar_detection,
 992         .set_mac_acl            = qtnf_set_mac_acl,
 993         .set_power_mgmt         = qtnf_set_power_mgmt,
 994 #ifdef CONFIG_PM
 995         .suspend                = qtnf_suspend,
 996         .resume                 = qtnf_resume,
 997         .set_wakeup             = qtnf_set_wakeup,
 998 #endif
 999 };
1000
1001 static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy,
1002                                        struct regulatory_request *req)
1003 {
1004         struct qtnf_wmac *mac = wiphy_priv(wiphy);
1005         enum nl80211_band band;
1006         int ret;
1007
1008         pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator,
1009                  req->alpha2[0], req->alpha2[1]);
1010
1011         ret = qtnf_cmd_reg_notify(mac, req, qtnf_mac_slave_radar_get(wiphy));
1012         if (ret) {
1013                 pr_err("MAC%u: failed to update region to %c%c: %d\n",
1014                        mac->macid, req->alpha2[0], req->alpha2[1], ret);
1015                 return;
1016         }
1017
1018         for (band = 0; band < NUM_NL80211_BANDS; ++band) {
1019                 if (!wiphy->bands[band])
1020                         continue;
1021
1022                 ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]);
1023                 if (ret)
1024                         pr_err("MAC%u: failed to update band %u\n",
1025                                mac->macid, band);
1026         }
1027 }
1028
1029 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus)
1030 {
1031         struct wiphy *wiphy;
1032
1033         if (bus->hw_info.hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD)
1034                 qtn_cfg80211_ops.start_radar_detection = NULL;
1035
1036         if (!(bus->hw_info.hw_capab & QLINK_HW_CAPAB_PWR_MGMT))
1037                 qtn_cfg80211_ops.set_power_mgmt = NULL;
1038
1039         wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac));
1040         if (!wiphy)
1041                 return NULL;
1042
1043         set_wiphy_dev(wiphy, bus->dev);
1044
1045         return wiphy;
1046 }
1047
1048 static int
1049 qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info)
1050 {
1051         struct ieee80211_iface_combination *if_comb;
1052         size_t n_if_comb;
1053         u16 interface_modes = 0;
1054         size_t i, j;
1055
1056         if_comb = mac_info->if_comb;
1057         n_if_comb = mac_info->n_if_comb;
1058
1059         if (!if_comb || !n_if_comb)
1060                 return -ENOENT;
1061
1062         for (i = 0; i < n_if_comb; i++) {
1063                 if_comb[i].radar_detect_widths = mac_info->radar_detect_widths;
1064
1065                 for (j = 0; j < if_comb[i].n_limits; j++)
1066                         interface_modes |= if_comb[i].limits[j].types;
1067         }
1068
1069         wiphy->iface_combinations = if_comb;
1070         wiphy->n_iface_combinations = n_if_comb;
1071         wiphy->interface_modes = interface_modes;
1072
1073         return 0;
1074 }
1075
1076 int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac)
1077 {
1078         struct wiphy *wiphy = priv_to_wiphy(mac);
1079         struct qtnf_mac_info *macinfo = &mac->macinfo;
1080         int ret;
1081         bool regdomain_is_known;
1082
1083         if (!wiphy) {
1084                 pr_err("invalid wiphy pointer\n");
1085                 return -EFAULT;
1086         }
1087
1088         wiphy->frag_threshold = macinfo->frag_thr;
1089         wiphy->rts_threshold = macinfo->rts_thr;
1090         wiphy->retry_short = macinfo->sretry_limit;
1091         wiphy->retry_long = macinfo->lretry_limit;
1092         wiphy->coverage_class = macinfo->coverage_class;
1093
1094         wiphy->max_scan_ssids =
1095                 (hw_info->max_scan_ssids) ? hw_info->max_scan_ssids : 1;
1096         wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN;
1097         wiphy->mgmt_stypes = qtnf_mgmt_stypes;
1098         wiphy->max_remain_on_channel_duration = 5000;
1099         wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs;
1100         wiphy->max_num_csa_counters = 2;
1101
1102         ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo);
1103         if (ret)
1104                 goto out;
1105
1106         /* Initialize cipher suits */
1107         wiphy->cipher_suites = qtnf_cipher_suites;
1108         wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites);
1109         wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1110         wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1111                         WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
1112                         WIPHY_FLAG_AP_UAPSD |
1113                         WIPHY_FLAG_HAS_CHANNEL_SWITCH |
1114                         WIPHY_FLAG_4ADDR_STATION |
1115                         WIPHY_FLAG_NETNS_OK;
1116         wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
1117
1118         if (hw_info->hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD)
1119                 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD);
1120
1121         if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_DWELL)
1122                 wiphy_ext_feature_set(wiphy,
1123                                       NL80211_EXT_FEATURE_SET_SCAN_DWELL);
1124
1125         wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1126                                     NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2;
1127
1128         wiphy->available_antennas_tx = macinfo->num_tx_chain;
1129         wiphy->available_antennas_rx = macinfo->num_rx_chain;
1130
1131         wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta;
1132         wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask;
1133         wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask;
1134
1135         ether_addr_copy(wiphy->perm_addr, mac->macaddr);
1136
1137         if (hw_info->hw_capab & QLINK_HW_CAPAB_STA_INACT_TIMEOUT)
1138                 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
1139
1140         if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR)
1141                 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
1142
1143         if (!(hw_info->hw_capab & QLINK_HW_CAPAB_OBSS_SCAN))
1144                 wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN;
1145
1146         if (hw_info->hw_capab & QLINK_HW_CAPAB_SAE)
1147                 wiphy->features |= NL80211_FEATURE_SAE;
1148
1149 #ifdef CONFIG_PM
1150         if (macinfo->wowlan)
1151                 wiphy->wowlan = macinfo->wowlan;
1152 #endif
1153
1154         regdomain_is_known = isalpha(mac->rd->alpha2[0]) &&
1155                                 isalpha(mac->rd->alpha2[1]);
1156
1157         if (hw_info->hw_capab & QLINK_HW_CAPAB_REG_UPDATE) {
1158                 wiphy->reg_notifier = qtnf_cfg80211_reg_notifier;
1159
1160                 if (mac->rd->alpha2[0] == '9' && mac->rd->alpha2[1] == '9') {
1161                         wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
1162                                 REGULATORY_STRICT_REG;
1163                         wiphy_apply_custom_regulatory(wiphy, mac->rd);
1164                 } else if (regdomain_is_known) {
1165                         wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
1166                 }
1167         } else {
1168                 wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
1169         }
1170
1171         if (mac->macinfo.extended_capabilities_len) {
1172                 wiphy->extended_capabilities =
1173                         mac->macinfo.extended_capabilities;
1174                 wiphy->extended_capabilities_mask =
1175                         mac->macinfo.extended_capabilities_mask;
1176                 wiphy->extended_capabilities_len =
1177                         mac->macinfo.extended_capabilities_len;
1178         }
1179
1180         strlcpy(wiphy->fw_version, hw_info->fw_version,
1181                 sizeof(wiphy->fw_version));
1182         wiphy->hw_version = hw_info->hw_version;
1183
1184         ret = wiphy_register(wiphy);
1185         if (ret < 0)
1186                 goto out;
1187
1188         if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED)
1189                 ret = regulatory_set_wiphy_regd(wiphy, mac->rd);
1190         else if (regdomain_is_known)
1191                 ret = regulatory_hint(wiphy, mac->rd->alpha2);
1192
1193 out:
1194         return ret;
1195 }
1196
1197 void qtnf_netdev_updown(struct net_device *ndev, bool up)
1198 {
1199         struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1200
1201         if (qtnf_cmd_send_updown_intf(vif, up))
1202                 pr_err("failed to send %s command to VIF%u.%u\n",
1203                        up ? "UP" : "DOWN", vif->mac->macid, vif->vifid);
1204 }
1205
1206 void qtnf_virtual_intf_cleanup(struct net_device *ndev)
1207 {
1208         struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1209         struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy);
1210
1211         if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1212                 qtnf_disconnect(vif->wdev.wiphy, ndev,
1213                                 WLAN_REASON_DEAUTH_LEAVING);
1214
1215         qtnf_scan_done(mac, true);
1216 }
1217
1218 void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif)
1219 {
1220         if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1221                 cfg80211_disconnected(vif->netdev, WLAN_REASON_DEAUTH_LEAVING,
1222                                       NULL, 0, 1, GFP_KERNEL);
1223
1224         cfg80211_shutdown_all_interfaces(vif->wdev.wiphy);
1225 }
1226
1227 void qtnf_band_init_rates(struct ieee80211_supported_band *band)
1228 {
1229         switch (band->band) {
1230         case NL80211_BAND_2GHZ:
1231                 band->bitrates = qtnf_rates_2g;
1232                 band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g);
1233                 break;
1234         case NL80211_BAND_5GHZ:
1235                 band->bitrates = qtnf_rates_5g;
1236                 band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g);
1237                 break;
1238         default:
1239                 band->bitrates = NULL;
1240                 band->n_bitrates = 0;
1241                 break;
1242         }
1243 }