kernel/drivers/net/wireless/ath/wil6210/cfg80211.c

   1 /*
   2  * Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/etherdevice.h>
  18 #include "wil6210.h"
  19 #include "wmi.h"
  20
  21 #define CHAN60G(_channel, _flags) {                             \
  22         .band                   = IEEE80211_BAND_60GHZ,         \
  23         .center_freq            = 56160 + (2160 * (_channel)),  \
  24         .hw_value               = (_channel),                   \
  25         .flags                  = (_flags),                     \
  26         .max_antenna_gain       = 0,                            \
  27         .max_power              = 40,                           \
  28 }
  29
  30 static struct ieee80211_channel wil_60ghz_channels[] = {
  31         CHAN60G(1, 0),
  32         CHAN60G(2, 0),
  33         CHAN60G(3, 0),
  34 /* channel 4 not supported yet */
  35 };
  36
  37 static struct ieee80211_supported_band wil_band_60ghz = {
  38         .channels = wil_60ghz_channels,
  39         .n_channels = ARRAY_SIZE(wil_60ghz_channels),
  40         .ht_cap = {
  41                 .ht_supported = true,
  42                 .cap = 0, /* TODO */
  43                 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
  44                 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
  45                 .mcs = {
  46                                 /* MCS 1..12 - SC PHY */
  47                         .rx_mask = {0xfe, 0x1f}, /* 1..12 */
  48                         .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
  49                 },
  50         },
  51 };
  52
  53 static const struct ieee80211_txrx_stypes
  54 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
  55         [NL80211_IFTYPE_STATION] = {
  56                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  57                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
  58                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  59                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  60         },
  61         [NL80211_IFTYPE_AP] = {
  62                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  63                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
  64                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  65                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  66         },
  67         [NL80211_IFTYPE_P2P_CLIENT] = {
  68                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  69                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
  70                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  71                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  72         },
  73         [NL80211_IFTYPE_P2P_GO] = {
  74                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  75                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
  76                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  77                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  78         },
  79 };
  80
  81 static const u32 wil_cipher_suites[] = {
  82         WLAN_CIPHER_SUITE_GCMP,
  83 };
  84
  85 int wil_iftype_nl2wmi(enum nl80211_iftype type)
  86 {
  87         static const struct {
  88                 enum nl80211_iftype nl;
  89                 enum wmi_network_type wmi;
  90         } __nl2wmi[] = {
  91                 {NL80211_IFTYPE_ADHOC,          WMI_NETTYPE_ADHOC},
  92                 {NL80211_IFTYPE_STATION,        WMI_NETTYPE_INFRA},
  93                 {NL80211_IFTYPE_AP,             WMI_NETTYPE_AP},
  94                 {NL80211_IFTYPE_P2P_CLIENT,     WMI_NETTYPE_P2P},
  95                 {NL80211_IFTYPE_P2P_GO,         WMI_NETTYPE_P2P},
  96                 {NL80211_IFTYPE_MONITOR,        WMI_NETTYPE_ADHOC}, /* FIXME */
  97         };
  98         uint i;
  99
 100         for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
 101                 if (__nl2wmi[i].nl == type)
 102                         return __nl2wmi[i].wmi;
 103         }
 104
 105         return -EOPNOTSUPP;
 106 }
 107
 108 int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
 109                        struct station_info *sinfo)
 110 {
 111         struct wmi_notify_req_cmd cmd = {
 112                 .cid = cid,
 113                 .interval_usec = 0,
 114         };
 115         struct {
 116                 struct wil6210_mbox_hdr_wmi wmi;
 117                 struct wmi_notify_req_done_event evt;
 118         } __packed reply;
 119         struct wil_net_stats *stats = &wil->sta[cid].stats;
 120         int rc;
 121
 122         rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
 123                       WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
 124         if (rc)
 125                 return rc;
 126
 127         wil_dbg_wmi(wil, "Link status for CID %d: {\n"
 128                     "  MCS %d TSF 0x%016llx\n"
 129                     "  BF status 0x%08x SNR 0x%08x SQI %d%%\n"
 130                     "  Tx Tpt %d goodput %d Rx goodput %d\n"
 131                     "  Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
 132                     cid, le16_to_cpu(reply.evt.bf_mcs),
 133                     le64_to_cpu(reply.evt.tsf), reply.evt.status,
 134                     le32_to_cpu(reply.evt.snr_val),
 135                     reply.evt.sqi,
 136                     le32_to_cpu(reply.evt.tx_tpt),
 137                     le32_to_cpu(reply.evt.tx_goodput),
 138                     le32_to_cpu(reply.evt.rx_goodput),
 139                     le16_to_cpu(reply.evt.my_rx_sector),
 140                     le16_to_cpu(reply.evt.my_tx_sector),
 141                     le16_to_cpu(reply.evt.other_rx_sector),
 142                     le16_to_cpu(reply.evt.other_tx_sector));
 143
 144         sinfo->generation = wil->sinfo_gen;
 145
 146         sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) |
 147                         BIT(NL80211_STA_INFO_TX_BYTES) |
 148                         BIT(NL80211_STA_INFO_RX_PACKETS) |
 149                         BIT(NL80211_STA_INFO_TX_PACKETS) |
 150                         BIT(NL80211_STA_INFO_RX_BITRATE) |
 151                         BIT(NL80211_STA_INFO_TX_BITRATE) |
 152                         BIT(NL80211_STA_INFO_RX_DROP_MISC) |
 153                         BIT(NL80211_STA_INFO_TX_FAILED);
 154
 155         sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
 156         sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
 157         sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
 158         sinfo->rxrate.mcs = stats->last_mcs_rx;
 159         sinfo->rx_bytes = stats->rx_bytes;
 160         sinfo->rx_packets = stats->rx_packets;
 161         sinfo->rx_dropped_misc = stats->rx_dropped;
 162         sinfo->tx_bytes = stats->tx_bytes;
 163         sinfo->tx_packets = stats->tx_packets;
 164         sinfo->tx_failed = stats->tx_errors;
 165
 166         if (test_bit(wil_status_fwconnected, wil->status)) {
 167                 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
 168                 sinfo->signal = reply.evt.sqi;
 169         }
 170
 171         return rc;
 172 }
 173
 174 static int wil_cfg80211_get_station(struct wiphy *wiphy,
 175                                     struct net_device *ndev,
 176                                     const u8 *mac, struct station_info *sinfo)
 177 {
 178         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 179         int rc;
 180
 181         int cid = wil_find_cid(wil, mac);
 182
 183         wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
 184         if (cid < 0)
 185                 return cid;
 186
 187         rc = wil_cid_fill_sinfo(wil, cid, sinfo);
 188
 189         return rc;
 190 }
 191
 192 /*
 193  * Find @idx-th active STA for station dump.
 194  */
 195 static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx)
 196 {
 197         int i;
 198
 199         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
 200                 if (wil->sta[i].status == wil_sta_unused)
 201                         continue;
 202                 if (idx == 0)
 203                         return i;
 204                 idx--;
 205         }
 206
 207         return -ENOENT;
 208 }
 209
 210 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
 211                                      struct net_device *dev, int idx,
 212                                      u8 *mac, struct station_info *sinfo)
 213 {
 214         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 215         int rc;
 216         int cid = wil_find_cid_by_idx(wil, idx);
 217
 218         if (cid < 0)
 219                 return -ENOENT;
 220
 221         ether_addr_copy(mac, wil->sta[cid].addr);
 222         wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
 223
 224         rc = wil_cid_fill_sinfo(wil, cid, sinfo);
 225
 226         return rc;
 227 }
 228
 229 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
 230                                      struct net_device *ndev,
 231                                      enum nl80211_iftype type, u32 *flags,
 232                                      struct vif_params *params)
 233 {
 234         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 235         struct wireless_dev *wdev = wil->wdev;
 236
 237         switch (type) {
 238         case NL80211_IFTYPE_STATION:
 239         case NL80211_IFTYPE_AP:
 240         case NL80211_IFTYPE_P2P_CLIENT:
 241         case NL80211_IFTYPE_P2P_GO:
 242                 break;
 243         case NL80211_IFTYPE_MONITOR:
 244                 if (flags)
 245                         wil->monitor_flags = *flags;
 246                 else
 247                         wil->monitor_flags = 0;
 248
 249                 break;
 250         default:
 251                 return -EOPNOTSUPP;
 252         }
 253
 254         wdev->iftype = type;
 255
 256         return 0;
 257 }
 258
 259 static int wil_cfg80211_scan(struct wiphy *wiphy,
 260                              struct cfg80211_scan_request *request)
 261 {
 262         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 263         struct wireless_dev *wdev = wil->wdev;
 264         struct {
 265                 struct wmi_start_scan_cmd cmd;
 266                 u16 chnl[4];
 267         } __packed cmd;
 268         uint i, n;
 269         int rc;
 270
 271         if (wil->scan_request) {
 272                 wil_err(wil, "Already scanning\n");
 273                 return -EAGAIN;
 274         }
 275
 276         /* check we are client side */
 277         switch (wdev->iftype) {
 278         case NL80211_IFTYPE_STATION:
 279         case NL80211_IFTYPE_P2P_CLIENT:
 280                 break;
 281         default:
 282                 return -EOPNOTSUPP;
 283         }
 284
 285         /* FW don't support scan after connection attempt */
 286         if (test_bit(wil_status_dontscan, wil->status)) {
 287                 wil_err(wil, "Can't scan now\n");
 288                 return -EBUSY;
 289         }
 290
 291         wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
 292         wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
 293
 294         for (i = 0; i < request->n_ssids; i++) {
 295                 wil_dbg_misc(wil, "SSID[%d]", i);
 296                 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
 297                                      request->ssids[i].ssid,
 298                                      request->ssids[i].ssid_len);
 299         }
 300
 301         if (request->n_ssids)
 302                 rc = wmi_set_ssid(wil, request->ssids[0].ssid_len,
 303                                   request->ssids[0].ssid);
 304         else
 305                 rc = wmi_set_ssid(wil, 0, NULL);
 306
 307         if (rc) {
 308                 wil_err(wil, "set SSID for scan request failed: %d\n", rc);
 309                 return rc;
 310         }
 311
 312         wil->scan_request = request;
 313         mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);
 314
 315         memset(&cmd, 0, sizeof(cmd));
 316         cmd.cmd.num_channels = 0;
 317         n = min(request->n_channels, 4U);
 318         for (i = 0; i < n; i++) {
 319                 int ch = request->channels[i]->hw_value;
 320
 321                 if (ch == 0) {
 322                         wil_err(wil,
 323                                 "Scan requested for unknown frequency %dMhz\n",
 324                                 request->channels[i]->center_freq);
 325                         continue;
 326                 }
 327                 /* 0-based channel indexes */
 328                 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
 329                 wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
 330                              request->channels[i]->center_freq);
 331         }
 332
 333         if (request->ie_len)
 334                 print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET,
 335                                      request->ie, request->ie_len);
 336         else
 337                 wil_dbg_misc(wil, "Scan has no IE's\n");
 338
 339         rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie);
 340         if (rc)
 341                 goto out;
 342
 343         rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
 344                         cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
 345
 346 out:
 347         if (rc) {
 348                 del_timer_sync(&wil->scan_timer);
 349                 wil->scan_request = NULL;
 350         }
 351
 352         return rc;
 353 }
 354
 355 static void wil_print_crypto(struct wil6210_priv *wil,
 356                              struct cfg80211_crypto_settings *c)
 357 {
 358         int i, n;
 359
 360         wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
 361                      c->wpa_versions, c->cipher_group);
 362         wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
 363         n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
 364         for (i = 0; i < n; i++)
 365                 wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
 366                              c->ciphers_pairwise[i]);
 367         wil_dbg_misc(wil, "}\n");
 368         wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
 369         n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
 370         for (i = 0; i < n; i++)
 371                 wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
 372                              c->akm_suites[i]);
 373         wil_dbg_misc(wil, "}\n");
 374         wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
 375                      c->control_port, be16_to_cpu(c->control_port_ethertype),
 376                      c->control_port_no_encrypt);
 377 }
 378
 379 static void wil_print_connect_params(struct wil6210_priv *wil,
 380                                      struct cfg80211_connect_params *sme)
 381 {
 382         wil_info(wil, "Connecting to:\n");
 383         if (sme->channel) {
 384                 wil_info(wil, "  Channel: %d freq %d\n",
 385                          sme->channel->hw_value, sme->channel->center_freq);
 386         }
 387         if (sme->bssid)
 388                 wil_info(wil, "  BSSID: %pM\n", sme->bssid);
 389         if (sme->ssid)
 390                 print_hex_dump(KERN_INFO, "  SSID: ", DUMP_PREFIX_OFFSET,
 391                                16, 1, sme->ssid, sme->ssid_len, true);
 392         wil_info(wil, "  Privacy: %s\n", sme->privacy ? "secure" : "open");
 393         wil_print_crypto(wil, &sme->crypto);
 394 }
 395
 396 static int wil_cfg80211_connect(struct wiphy *wiphy,
 397                                 struct net_device *ndev,
 398                                 struct cfg80211_connect_params *sme)
 399 {
 400         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 401         struct cfg80211_bss *bss;
 402         struct wmi_connect_cmd conn;
 403         const u8 *ssid_eid;
 404         const u8 *rsn_eid;
 405         int ch;
 406         int rc = 0;
 407
 408         wil_print_connect_params(wil, sme);
 409
 410         if (test_bit(wil_status_fwconnecting, wil->status) ||
 411             test_bit(wil_status_fwconnected, wil->status))
 412                 return -EALREADY;
 413
 414         if (sme->ie_len > WMI_MAX_IE_LEN) {
 415                 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
 416                 return -ERANGE;
 417         }
 418
 419         rsn_eid = sme->ie ?
 420                         cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
 421                         NULL;
 422         if (sme->privacy && !rsn_eid)
 423                 wil_info(wil, "WSC connection\n");
 424
 425         bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
 426                                sme->ssid, sme->ssid_len,
 427                                IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_ANY);
 428         if (!bss) {
 429                 wil_err(wil, "Unable to find BSS\n");
 430                 return -ENOENT;
 431         }
 432
 433         ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
 434         if (!ssid_eid) {
 435                 wil_err(wil, "No SSID\n");
 436                 rc = -ENOENT;
 437                 goto out;
 438         }
 439         wil->privacy = sme->privacy;
 440
 441         if (wil->privacy) {
 442                 /* For secure assoc, remove old keys */
 443                 rc = wmi_del_cipher_key(wil, 0, bss->bssid,
 444                                         WMI_KEY_USE_PAIRWISE);
 445                 if (rc) {
 446                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
 447                         goto out;
 448                 }
 449                 rc = wmi_del_cipher_key(wil, 0, bss->bssid,
 450                                         WMI_KEY_USE_RX_GROUP);
 451                 if (rc) {
 452                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
 453                         goto out;
 454                 }
 455         }
 456
 457         /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info
 458          * elements. Send it also in case it's empty, to erase previously set
 459          * ies in FW.
 460          */
 461         rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
 462         if (rc)
 463                 goto out;
 464
 465         /* WMI_CONNECT_CMD */
 466         memset(&conn, 0, sizeof(conn));
 467         switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
 468         case WLAN_CAPABILITY_DMG_TYPE_AP:
 469                 conn.network_type = WMI_NETTYPE_INFRA;
 470                 break;
 471         case WLAN_CAPABILITY_DMG_TYPE_PBSS:
 472                 conn.network_type = WMI_NETTYPE_P2P;
 473                 break;
 474         default:
 475                 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
 476                         bss->capability);
 477                 goto out;
 478         }
 479         if (wil->privacy) {
 480                 if (rsn_eid) { /* regular secure connection */
 481                         conn.dot11_auth_mode = WMI_AUTH11_SHARED;
 482                         conn.auth_mode = WMI_AUTH_WPA2_PSK;
 483                         conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
 484                         conn.pairwise_crypto_len = 16;
 485                         conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
 486                         conn.group_crypto_len = 16;
 487                 } else { /* WSC */
 488                         conn.dot11_auth_mode = WMI_AUTH11_WSC;
 489                         conn.auth_mode = WMI_AUTH_NONE;
 490                 }
 491         } else { /* insecure connection */
 492                 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
 493                 conn.auth_mode = WMI_AUTH_NONE;
 494         }
 495
 496         conn.ssid_len = min_t(u8, ssid_eid[1], 32);
 497         memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
 498
 499         ch = bss->channel->hw_value;
 500         if (ch == 0) {
 501                 wil_err(wil, "BSS at unknown frequency %dMhz\n",
 502                         bss->channel->center_freq);
 503                 rc = -EOPNOTSUPP;
 504                 goto out;
 505         }
 506         conn.channel = ch - 1;
 507
 508         ether_addr_copy(conn.bssid, bss->bssid);
 509         ether_addr_copy(conn.dst_mac, bss->bssid);
 510
 511         set_bit(wil_status_fwconnecting, wil->status);
 512
 513         rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
 514         if (rc == 0) {
 515                 netif_carrier_on(ndev);
 516                 /* Connect can take lots of time */
 517                 mod_timer(&wil->connect_timer,
 518                           jiffies + msecs_to_jiffies(2000));
 519         } else {
 520                 clear_bit(wil_status_fwconnecting, wil->status);
 521         }
 522
 523  out:
 524         cfg80211_put_bss(wiphy, bss);
 525
 526         return rc;
 527 }
 528
 529 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
 530                                    struct net_device *ndev,
 531                                    u16 reason_code)
 532 {
 533         int rc;
 534         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 535
 536         wil_dbg_misc(wil, "%s(reason=%d)\n", __func__, reason_code);
 537
 538         rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
 539
 540         return rc;
 541 }
 542
 543 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 544                          struct cfg80211_mgmt_tx_params *params,
 545                          u64 *cookie)
 546 {
 547         const u8 *buf = params->buf;
 548         size_t len = params->len;
 549         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 550         int rc;
 551         bool tx_status = false;
 552         struct ieee80211_mgmt *mgmt_frame = (void *)buf;
 553         struct wmi_sw_tx_req_cmd *cmd;
 554         struct {
 555                 struct wil6210_mbox_hdr_wmi wmi;
 556                 struct wmi_sw_tx_complete_event evt;
 557         } __packed evt;
 558
 559         cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
 560         if (!cmd) {
 561                 rc = -ENOMEM;
 562                 goto out;
 563         }
 564
 565         memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
 566         cmd->len = cpu_to_le16(len);
 567         memcpy(cmd->payload, buf, len);
 568
 569         rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
 570                       WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
 571         if (rc == 0)
 572                 tx_status = !evt.evt.status;
 573
 574         kfree(cmd);
 575  out:
 576         cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
 577                                 tx_status, GFP_KERNEL);
 578         return rc;
 579 }
 580
 581 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
 582                                     struct cfg80211_chan_def *chandef)
 583 {
 584         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 585         struct wireless_dev *wdev = wil->wdev;
 586
 587         wdev->preset_chandef = *chandef;
 588
 589         return 0;
 590 }
 591
 592 static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil,
 593                                                bool pairwise)
 594 {
 595         struct wireless_dev *wdev = wil->wdev;
 596         enum wmi_key_usage rc;
 597         static const char * const key_usage_str[] = {
 598                 [WMI_KEY_USE_PAIRWISE]  = "WMI_KEY_USE_PAIRWISE",
 599                 [WMI_KEY_USE_RX_GROUP]  = "WMI_KEY_USE_RX_GROUP",
 600                 [WMI_KEY_USE_TX_GROUP]  = "WMI_KEY_USE_TX_GROUP",
 601         };
 602
 603         if (pairwise) {
 604                 rc = WMI_KEY_USE_PAIRWISE;
 605         } else {
 606                 switch (wdev->iftype) {
 607                 case NL80211_IFTYPE_STATION:
 608                         rc = WMI_KEY_USE_RX_GROUP;
 609                         break;
 610                 case NL80211_IFTYPE_AP:
 611                         rc = WMI_KEY_USE_TX_GROUP;
 612                         break;
 613                 default:
 614                         /* TODO: Rx GTK or Tx GTK? */
 615                         wil_err(wil, "Can't determine GTK type\n");
 616                         rc = WMI_KEY_USE_RX_GROUP;
 617                         break;
 618                 }
 619         }
 620         wil_dbg_misc(wil, "%s() -> %s\n", __func__, key_usage_str[rc]);
 621
 622         return rc;
 623 }
 624
 625 static int wil_cfg80211_add_key(struct wiphy *wiphy,
 626                                 struct net_device *ndev,
 627                                 u8 key_index, bool pairwise,
 628                                 const u8 *mac_addr,
 629                                 struct key_params *params)
 630 {
 631         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 632         enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
 633
 634         wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index,
 635                      pairwise ? "PTK" : "GTK");
 636
 637         return wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len,
 638                                   params->key, key_usage);
 639 }
 640
 641 static int wil_cfg80211_del_key(struct wiphy *wiphy,
 642                                 struct net_device *ndev,
 643                                 u8 key_index, bool pairwise,
 644                                 const u8 *mac_addr)
 645 {
 646         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 647         enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
 648
 649         wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index,
 650                      pairwise ? "PTK" : "GTK");
 651
 652         return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage);
 653 }
 654
 655 /* Need to be present or wiphy_new() will WARN */
 656 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
 657                                         struct net_device *ndev,
 658                                         u8 key_index, bool unicast,
 659                                         bool multicast)
 660 {
 661         return 0;
 662 }
 663
 664 static int wil_remain_on_channel(struct wiphy *wiphy,
 665                                  struct wireless_dev *wdev,
 666                                  struct ieee80211_channel *chan,
 667                                  unsigned int duration,
 668                                  u64 *cookie)
 669 {
 670         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 671         int rc;
 672
 673         /* TODO: handle duration */
 674         wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration);
 675
 676         rc = wmi_set_channel(wil, chan->hw_value);
 677         if (rc)
 678                 return rc;
 679
 680         rc = wmi_rxon(wil, true);
 681
 682         return rc;
 683 }
 684
 685 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
 686                                         struct wireless_dev *wdev,
 687                                         u64 cookie)
 688 {
 689         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 690         int rc;
 691
 692         wil_info(wil, "%s()\n", __func__);
 693
 694         rc = wmi_rxon(wil, false);
 695
 696         return rc;
 697 }
 698
 699 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
 700 {
 701         print_hex_dump_bytes("head     ", DUMP_PREFIX_OFFSET,
 702                              b->head, b->head_len);
 703         print_hex_dump_bytes("tail     ", DUMP_PREFIX_OFFSET,
 704                              b->tail, b->tail_len);
 705         print_hex_dump_bytes("BCON IE  ", DUMP_PREFIX_OFFSET,
 706                              b->beacon_ies, b->beacon_ies_len);
 707         print_hex_dump_bytes("PROBE    ", DUMP_PREFIX_OFFSET,
 708                              b->probe_resp, b->probe_resp_len);
 709         print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET,
 710                              b->proberesp_ies, b->proberesp_ies_len);
 711         print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET,
 712                              b->assocresp_ies, b->assocresp_ies_len);
 713 }
 714
 715 static int wil_fix_bcon(struct wil6210_priv *wil,
 716                         struct cfg80211_beacon_data *bcon)
 717 {
 718         struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
 719         size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
 720
 721         if (bcon->probe_resp_len <= hlen)
 722                 return 0;
 723
 724 /* always use IE's from full probe frame, they has more info
 725  * notable RSN
 726  */
 727         bcon->proberesp_ies = f->u.probe_resp.variable;
 728         bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
 729         if (!bcon->assocresp_ies) {
 730                 bcon->assocresp_ies = bcon->proberesp_ies;
 731                 bcon->assocresp_ies_len = bcon->proberesp_ies_len;
 732         }
 733
 734         return 1;
 735 }
 736
 737 /* internal functions for device reset and starting AP */
 738 static int _wil_cfg80211_set_ies(struct wiphy *wiphy,
 739                                  struct cfg80211_beacon_data *bcon)
 740 {
 741         int rc;
 742         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 743
 744         rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
 745                         bcon->proberesp_ies);
 746         if (rc)
 747                 return rc;
 748
 749         rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
 750                         bcon->assocresp_ies);
 751 #if 0 /* to use beacon IE's, remove this #if 0 */
 752         if (rc)
 753                 return rc;
 754
 755         rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail);
 756 #endif
 757
 758         return rc;
 759 }
 760
 761 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
 762                                   struct net_device *ndev,
 763                                   const u8 *ssid, size_t ssid_len, u32 privacy,
 764                                   int bi, u8 chan,
 765                                   struct cfg80211_beacon_data *bcon,
 766                                   u8 hidden_ssid)
 767 {
 768         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 769         int rc;
 770         struct wireless_dev *wdev = ndev->ieee80211_ptr;
 771         u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
 772
 773         wil_set_recovery_state(wil, fw_recovery_idle);
 774
 775         mutex_lock(&wil->mutex);
 776
 777         __wil_down(wil);
 778         rc = __wil_up(wil);
 779         if (rc)
 780                 goto out;
 781
 782         rc = wmi_set_ssid(wil, ssid_len, ssid);
 783         if (rc)
 784                 goto out;
 785
 786         rc = _wil_cfg80211_set_ies(wiphy, bcon);
 787         if (rc)
 788                 goto out;
 789
 790         wil->privacy = privacy;
 791         wil->channel = chan;
 792         wil->hidden_ssid = hidden_ssid;
 793
 794         netif_carrier_on(ndev);
 795
 796         rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid);
 797         if (rc)
 798                 goto err_pcp_start;
 799
 800         rc = wil_bcast_init(wil);
 801         if (rc)
 802                 goto err_bcast;
 803
 804         goto out; /* success */
 805
 806 err_bcast:
 807         wmi_pcp_stop(wil);
 808 err_pcp_start:
 809         netif_carrier_off(ndev);
 810 out:
 811         mutex_unlock(&wil->mutex);
 812         return rc;
 813 }
 814
 815 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
 816                                       struct net_device *ndev,
 817                                       struct cfg80211_beacon_data *bcon)
 818 {
 819         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 820         int rc;
 821         u32 privacy = 0;
 822
 823         wil_dbg_misc(wil, "%s()\n", __func__);
 824         wil_print_bcon_data(bcon);
 825
 826         if (wil_fix_bcon(wil, bcon)) {
 827                 wil_dbg_misc(wil, "Fixed bcon\n");
 828                 wil_print_bcon_data(bcon);
 829         }
 830
 831         if (bcon->proberesp_ies &&
 832             cfg80211_find_ie(WLAN_EID_RSN, bcon->proberesp_ies,
 833                              bcon->proberesp_ies_len))
 834                 privacy = 1;
 835
 836         /* in case privacy has changed, need to restart the AP */
 837         if (wil->privacy != privacy) {
 838                 struct wireless_dev *wdev = ndev->ieee80211_ptr;
 839
 840                 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
 841                              wil->privacy, privacy);
 842
 843                 rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid,
 844                                             wdev->ssid_len, privacy,
 845                                             wdev->beacon_interval,
 846                                             wil->channel, bcon,
 847                                             wil->hidden_ssid);
 848         } else {
 849                 rc = _wil_cfg80211_set_ies(wiphy, bcon);
 850         }
 851
 852         return rc;
 853 }
 854
 855 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
 856                                  struct net_device *ndev,
 857                                  struct cfg80211_ap_settings *info)
 858 {
 859         int rc;
 860         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 861         struct ieee80211_channel *channel = info->chandef.chan;
 862         struct cfg80211_beacon_data *bcon = &info->beacon;
 863         struct cfg80211_crypto_settings *crypto = &info->crypto;
 864         u8 hidden_ssid;
 865
 866         wil_dbg_misc(wil, "%s()\n", __func__);
 867
 868         if (!channel) {
 869                 wil_err(wil, "AP: No channel???\n");
 870                 return -EINVAL;
 871         }
 872
 873         switch (info->hidden_ssid) {
 874         case NL80211_HIDDEN_SSID_NOT_IN_USE:
 875                 hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
 876                 break;
 877
 878         case NL80211_HIDDEN_SSID_ZERO_LEN:
 879                 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
 880                 break;
 881
 882         case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
 883                 hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
 884                 break;
 885
 886         default:
 887                 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
 888                 return -EOPNOTSUPP;
 889         }
 890         wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
 891                      channel->center_freq, info->privacy ? "secure" : "open");
 892         wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
 893                      info->privacy, info->auth_type);
 894         wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
 895                      info->hidden_ssid);
 896         wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
 897                      info->dtim_period);
 898         print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
 899                              info->ssid, info->ssid_len);
 900         wil_print_bcon_data(bcon);
 901         wil_print_crypto(wil, crypto);
 902
 903         if (wil_fix_bcon(wil, bcon)) {
 904                 wil_dbg_misc(wil, "Fixed bcon\n");
 905                 wil_print_bcon_data(bcon);
 906         }
 907
 908         rc = _wil_cfg80211_start_ap(wiphy, ndev,
 909                                     info->ssid, info->ssid_len, info->privacy,
 910                                     info->beacon_interval, channel->hw_value,
 911                                     bcon, hidden_ssid);
 912
 913         return rc;
 914 }
 915
 916 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
 917                                 struct net_device *ndev)
 918 {
 919         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 920
 921         wil_dbg_misc(wil, "%s()\n", __func__);
 922
 923         netif_carrier_off(ndev);
 924         wil_set_recovery_state(wil, fw_recovery_idle);
 925
 926         mutex_lock(&wil->mutex);
 927
 928         wmi_pcp_stop(wil);
 929
 930         __wil_down(wil);
 931
 932         mutex_unlock(&wil->mutex);
 933
 934         return 0;
 935 }
 936
 937 static int wil_cfg80211_del_station(struct wiphy *wiphy,
 938                                     struct net_device *dev,
 939                                     struct station_del_parameters *params)
 940 {
 941         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 942
 943         wil_dbg_misc(wil, "%s(%pM, reason=%d)\n", __func__, params->mac,
 944                      params->reason_code);
 945
 946         mutex_lock(&wil->mutex);
 947         wil6210_disconnect(wil, params->mac, params->reason_code, false);
 948         mutex_unlock(&wil->mutex);
 949
 950         return 0;
 951 }
 952
 953 /* probe_client handling */
 954 static void wil_probe_client_handle(struct wil6210_priv *wil,
 955                                     struct wil_probe_client_req *req)
 956 {
 957         struct net_device *ndev = wil_to_ndev(wil);
 958         struct wil_sta_info *sta = &wil->sta[req->cid];
 959         /* assume STA is alive if it is still connected,
 960          * else FW will disconnect it
 961          */
 962         bool alive = (sta->status == wil_sta_connected);
 963
 964         cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL);
 965 }
 966
 967 static struct list_head *next_probe_client(struct wil6210_priv *wil)
 968 {
 969         struct list_head *ret = NULL;
 970
 971         mutex_lock(&wil->probe_client_mutex);
 972
 973         if (!list_empty(&wil->probe_client_pending)) {
 974                 ret = wil->probe_client_pending.next;
 975                 list_del(ret);
 976         }
 977
 978         mutex_unlock(&wil->probe_client_mutex);
 979
 980         return ret;
 981 }
 982
 983 void wil_probe_client_worker(struct work_struct *work)
 984 {
 985         struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
 986                                                 probe_client_worker);
 987         struct wil_probe_client_req *req;
 988         struct list_head *lh;
 989
 990         while ((lh = next_probe_client(wil)) != NULL) {
 991                 req = list_entry(lh, struct wil_probe_client_req, list);
 992
 993                 wil_probe_client_handle(wil, req);
 994                 kfree(req);
 995         }
 996 }
 997
 998 void wil_probe_client_flush(struct wil6210_priv *wil)
 999 {
1000         struct wil_probe_client_req *req, *t;
1001
1002         wil_dbg_misc(wil, "%s()\n", __func__);
1003
1004         mutex_lock(&wil->probe_client_mutex);
1005
1006         list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) {
1007                 list_del(&req->list);
1008                 kfree(req);
1009         }
1010
1011         mutex_unlock(&wil->probe_client_mutex);
1012 }
1013
1014 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
1015                                      struct net_device *dev,
1016                                      const u8 *peer, u64 *cookie)
1017 {
1018         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1019         struct wil_probe_client_req *req;
1020         int cid = wil_find_cid(wil, peer);
1021
1022         wil_dbg_misc(wil, "%s(%pM => CID %d)\n", __func__, peer, cid);
1023
1024         if (cid < 0)
1025                 return -ENOLINK;
1026
1027         req = kzalloc(sizeof(*req), GFP_KERNEL);
1028         if (!req)
1029                 return -ENOMEM;
1030
1031         req->cid = cid;
1032         req->cookie = cid;
1033
1034         mutex_lock(&wil->probe_client_mutex);
1035         list_add_tail(&req->list, &wil->probe_client_pending);
1036         mutex_unlock(&wil->probe_client_mutex);
1037
1038         *cookie = req->cookie;
1039         queue_work(wil->wq_service, &wil->probe_client_worker);
1040         return 0;
1041 }
1042
1043 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
1044                                    struct net_device *dev,
1045                                    struct bss_parameters *params)
1046 {
1047         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1048
1049         if (params->ap_isolate >= 0) {
1050                 wil_dbg_misc(wil, "%s(ap_isolate %d => %d)\n", __func__,
1051                              wil->ap_isolate, params->ap_isolate);
1052                 wil->ap_isolate = params->ap_isolate;
1053         }
1054
1055         return 0;
1056 }
1057
1058 static struct cfg80211_ops wil_cfg80211_ops = {
1059         .scan = wil_cfg80211_scan,
1060         .connect = wil_cfg80211_connect,
1061         .disconnect = wil_cfg80211_disconnect,
1062         .change_virtual_intf = wil_cfg80211_change_iface,
1063         .get_station = wil_cfg80211_get_station,
1064         .dump_station = wil_cfg80211_dump_station,
1065         .remain_on_channel = wil_remain_on_channel,
1066         .cancel_remain_on_channel = wil_cancel_remain_on_channel,
1067         .mgmt_tx = wil_cfg80211_mgmt_tx,
1068         .set_monitor_channel = wil_cfg80211_set_channel,
1069         .add_key = wil_cfg80211_add_key,
1070         .del_key = wil_cfg80211_del_key,
1071         .set_default_key = wil_cfg80211_set_default_key,
1072         /* AP mode */
1073         .change_beacon = wil_cfg80211_change_beacon,
1074         .start_ap = wil_cfg80211_start_ap,
1075         .stop_ap = wil_cfg80211_stop_ap,
1076         .del_station = wil_cfg80211_del_station,
1077         .probe_client = wil_cfg80211_probe_client,
1078         .change_bss = wil_cfg80211_change_bss,
1079 };
1080
1081 static void wil_wiphy_init(struct wiphy *wiphy)
1082 {
1083         wiphy->max_scan_ssids = 1;
1084         wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
1085         wiphy->max_num_pmkids = 0 /* TODO: */;
1086         wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1087                                  BIT(NL80211_IFTYPE_AP) |
1088                                  BIT(NL80211_IFTYPE_MONITOR);
1089         /* TODO: enable P2P when integrated with supplicant:
1090          * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
1091          */
1092         wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1093                         WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1094         dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
1095                 __func__, wiphy->flags);
1096         wiphy->probe_resp_offload =
1097                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1098                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
1099                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
1100
1101         wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;
1102
1103         /* TODO: figure this out */
1104         wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
1105
1106         wiphy->cipher_suites = wil_cipher_suites;
1107         wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
1108         wiphy->mgmt_stypes = wil_mgmt_stypes;
1109         wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
1110 }
1111
1112 struct wireless_dev *wil_cfg80211_init(struct device *dev)
1113 {
1114         int rc = 0;
1115         struct wireless_dev *wdev;
1116
1117         dev_dbg(dev, "%s()\n", __func__);
1118
1119         wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
1120         if (!wdev)
1121                 return ERR_PTR(-ENOMEM);
1122
1123         wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
1124                                 sizeof(struct wil6210_priv));
1125         if (!wdev->wiphy) {
1126                 rc = -ENOMEM;
1127                 goto out;
1128         }
1129
1130         set_wiphy_dev(wdev->wiphy, dev);
1131         wil_wiphy_init(wdev->wiphy);
1132
1133         rc = wiphy_register(wdev->wiphy);
1134         if (rc < 0)
1135                 goto out_failed_reg;
1136
1137         return wdev;
1138
1139 out_failed_reg:
1140         wiphy_free(wdev->wiphy);
1141 out:
1142         kfree(wdev);
1143
1144         return ERR_PTR(rc);
1145 }
1146
1147 void wil_wdev_free(struct wil6210_priv *wil)
1148 {
1149         struct wireless_dev *wdev = wil_to_wdev(wil);
1150
1151         dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
1152
1153         if (!wdev)
1154                 return;
1155
1156         wiphy_unregister(wdev->wiphy);
1157         wiphy_free(wdev->wiphy);
1158         kfree(wdev);
1159 }