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

   1 /*
   2  * Copyright (c) 2012 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 "wil6210.h"
  18 #include "wmi.h"
  19
  20 #define CHAN60G(_channel, _flags) {                             \
  21         .band                   = IEEE80211_BAND_60GHZ,         \
  22         .center_freq            = 56160 + (2160 * (_channel)),  \
  23         .hw_value               = (_channel),                   \
  24         .flags                  = (_flags),                     \
  25         .max_antenna_gain       = 0,                            \
  26         .max_power              = 40,                           \
  27 }
  28
  29 static struct ieee80211_channel wil_60ghz_channels[] = {
  30         CHAN60G(1, 0),
  31         CHAN60G(2, 0),
  32         CHAN60G(3, 0),
  33 /* channel 4 not supported yet */
  34 };
  35
  36 static struct ieee80211_supported_band wil_band_60ghz = {
  37         .channels = wil_60ghz_channels,
  38         .n_channels = ARRAY_SIZE(wil_60ghz_channels),
  39         .ht_cap = {
  40                 .ht_supported = true,
  41                 .cap = 0, /* TODO */
  42                 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
  43                 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
  44                 .mcs = {
  45                                 /* MCS 1..12 - SC PHY */
  46                         .rx_mask = {0xfe, 0x1f}, /* 1..12 */
  47                         .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
  48                 },
  49         },
  50 };
  51
  52 static const struct ieee80211_txrx_stypes
  53 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
  54         [NL80211_IFTYPE_STATION] = {
  55                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  56                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
  57                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  58                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  59         },
  60         [NL80211_IFTYPE_AP] = {
  61                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  62                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
  63                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  64                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  65         },
  66         [NL80211_IFTYPE_P2P_CLIENT] = {
  67                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  68                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
  69                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  70                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  71         },
  72         [NL80211_IFTYPE_P2P_GO] = {
  73                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  74                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
  75                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  76                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  77         },
  78 };
  79
  80 static const u32 wil_cipher_suites[] = {
  81         WLAN_CIPHER_SUITE_GCMP,
  82 };
  83
  84 int wil_iftype_nl2wmi(enum nl80211_iftype type)
  85 {
  86         static const struct {
  87                 enum nl80211_iftype nl;
  88                 enum wmi_network_type wmi;
  89         } __nl2wmi[] = {
  90                 {NL80211_IFTYPE_ADHOC,          WMI_NETTYPE_ADHOC},
  91                 {NL80211_IFTYPE_STATION,        WMI_NETTYPE_INFRA},
  92                 {NL80211_IFTYPE_AP,             WMI_NETTYPE_AP},
  93                 {NL80211_IFTYPE_P2P_CLIENT,     WMI_NETTYPE_P2P},
  94                 {NL80211_IFTYPE_P2P_GO,         WMI_NETTYPE_P2P},
  95                 {NL80211_IFTYPE_MONITOR,        WMI_NETTYPE_ADHOC}, /* FIXME */
  96         };
  97         uint i;
  98
  99         for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
 100                 if (__nl2wmi[i].nl == type)
 101                         return __nl2wmi[i].wmi;
 102         }
 103
 104         return -EOPNOTSUPP;
 105 }
 106
 107 static int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
 108                               struct station_info *sinfo)
 109 {
 110         struct wmi_notify_req_cmd cmd = {
 111                 .cid = cid,
 112                 .interval_usec = 0,
 113         };
 114         struct {
 115                 struct wil6210_mbox_hdr_wmi wmi;
 116                 struct wmi_notify_req_done_event evt;
 117         } __packed reply;
 118         struct wil_net_stats *stats = &wil->sta[cid].stats;
 119         int rc;
 120
 121         rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
 122                       WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
 123         if (rc)
 124                 return rc;
 125
 126         wil_dbg_wmi(wil, "Link status for CID %d: {\n"
 127                     "  MCS %d TSF 0x%016llx\n"
 128                     "  BF status 0x%08x SNR 0x%08x SQI %d%%\n"
 129                     "  Tx Tpt %d goodput %d Rx goodput %d\n"
 130                     "  Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
 131                     cid, le16_to_cpu(reply.evt.bf_mcs),
 132                     le64_to_cpu(reply.evt.tsf), reply.evt.status,
 133                     le32_to_cpu(reply.evt.snr_val),
 134                     reply.evt.sqi,
 135                     le32_to_cpu(reply.evt.tx_tpt),
 136                     le32_to_cpu(reply.evt.tx_goodput),
 137                     le32_to_cpu(reply.evt.rx_goodput),
 138                     le16_to_cpu(reply.evt.my_rx_sector),
 139                     le16_to_cpu(reply.evt.my_tx_sector),
 140                     le16_to_cpu(reply.evt.other_rx_sector),
 141                     le16_to_cpu(reply.evt.other_tx_sector));
 142
 143         sinfo->generation = wil->sinfo_gen;
 144
 145         sinfo->filled = STATION_INFO_RX_BYTES |
 146                         STATION_INFO_TX_BYTES |
 147                         STATION_INFO_RX_PACKETS |
 148                         STATION_INFO_TX_PACKETS |
 149                         STATION_INFO_RX_BITRATE |
 150                         STATION_INFO_TX_BITRATE |
 151                         STATION_INFO_RX_DROP_MISC |
 152                         STATION_INFO_TX_FAILED;
 153
 154         sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
 155         sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
 156         sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
 157         sinfo->rxrate.mcs = stats->last_mcs_rx;
 158         sinfo->rx_bytes = stats->rx_bytes;
 159         sinfo->rx_packets = stats->rx_packets;
 160         sinfo->rx_dropped_misc = stats->rx_dropped;
 161         sinfo->tx_bytes = stats->tx_bytes;
 162         sinfo->tx_packets = stats->tx_packets;
 163         sinfo->tx_failed = stats->tx_errors;
 164
 165         if (test_bit(wil_status_fwconnected, &wil->status)) {
 166                 sinfo->filled |= STATION_INFO_SIGNAL;
 167                 sinfo->signal = reply.evt.sqi;
 168         }
 169
 170         return rc;
 171 }
 172
 173 static int wil_cfg80211_get_station(struct wiphy *wiphy,
 174                                     struct net_device *ndev,
 175                                     u8 *mac, struct station_info *sinfo)
 176 {
 177         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 178         int rc;
 179
 180         int cid = wil_find_cid(wil, mac);
 181
 182         wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
 183         if (cid < 0)
 184                 return cid;
 185
 186         rc = wil_cid_fill_sinfo(wil, cid, sinfo);
 187
 188         return rc;
 189 }
 190
 191 /*
 192  * Find @idx-th active STA for station dump.
 193  */
 194 static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx)
 195 {
 196         int i;
 197
 198         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
 199                 if (wil->sta[i].status == wil_sta_unused)
 200                         continue;
 201                 if (idx == 0)
 202                         return i;
 203                 idx--;
 204         }
 205
 206         return -ENOENT;
 207 }
 208
 209 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
 210                                      struct net_device *dev, int idx,
 211                                      u8 *mac, struct station_info *sinfo)
 212 {
 213         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 214         int rc;
 215         int cid = wil_find_cid_by_idx(wil, idx);
 216
 217         if (cid < 0)
 218                 return -ENOENT;
 219
 220         memcpy(mac, wil->sta[cid].addr, ETH_ALEN);
 221         wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid);
 222
 223         rc = wil_cid_fill_sinfo(wil, cid, sinfo);
 224
 225         return rc;
 226 }
 227
 228 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
 229                                      struct net_device *ndev,
 230                                      enum nl80211_iftype type, u32 *flags,
 231                                      struct vif_params *params)
 232 {
 233         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 234         struct wireless_dev *wdev = wil->wdev;
 235
 236         switch (type) {
 237         case NL80211_IFTYPE_STATION:
 238         case NL80211_IFTYPE_AP:
 239         case NL80211_IFTYPE_P2P_CLIENT:
 240         case NL80211_IFTYPE_P2P_GO:
 241                 break;
 242         case NL80211_IFTYPE_MONITOR:
 243                 if (flags)
 244                         wil->monitor_flags = *flags;
 245                 else
 246                         wil->monitor_flags = 0;
 247
 248                 break;
 249         default:
 250                 return -EOPNOTSUPP;
 251         }
 252
 253         wdev->iftype = type;
 254
 255         return 0;
 256 }
 257
 258 static int wil_cfg80211_scan(struct wiphy *wiphy,
 259                              struct cfg80211_scan_request *request)
 260 {
 261         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 262         struct wireless_dev *wdev = wil->wdev;
 263         struct {
 264                 struct wmi_start_scan_cmd cmd;
 265                 u16 chnl[4];
 266         } __packed cmd;
 267         uint i, n;
 268         int rc;
 269
 270         if (wil->scan_request) {
 271                 wil_err(wil, "Already scanning\n");
 272                 return -EAGAIN;
 273         }
 274
 275         /* check we are client side */
 276         switch (wdev->iftype) {
 277         case NL80211_IFTYPE_STATION:
 278         case NL80211_IFTYPE_P2P_CLIENT:
 279                 break;
 280         default:
 281                 return -EOPNOTSUPP;
 282         }
 283
 284         /* FW don't support scan after connection attempt */
 285         if (test_bit(wil_status_dontscan, &wil->status)) {
 286                 wil_err(wil, "Can't scan now\n");
 287                 return -EBUSY;
 288         }
 289
 290         wil->scan_request = request;
 291
 292         memset(&cmd, 0, sizeof(cmd));
 293         cmd.cmd.num_channels = 0;
 294         n = min(request->n_channels, 4U);
 295         for (i = 0; i < n; i++) {
 296                 int ch = request->channels[i]->hw_value;
 297                 if (ch == 0) {
 298                         wil_err(wil,
 299                                 "Scan requested for unknown frequency %dMhz\n",
 300                                 request->channels[i]->center_freq);
 301                         continue;
 302                 }
 303                 /* 0-based channel indexes */
 304                 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
 305                 wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
 306                              request->channels[i]->center_freq);
 307         }
 308
 309         rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
 310                         cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
 311
 312         if (rc)
 313                 wil->scan_request = NULL;
 314
 315         return rc;
 316 }
 317
 318 static int wil_cfg80211_connect(struct wiphy *wiphy,
 319                                 struct net_device *ndev,
 320                                 struct cfg80211_connect_params *sme)
 321 {
 322         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 323         struct cfg80211_bss *bss;
 324         struct wmi_connect_cmd conn;
 325         const u8 *ssid_eid;
 326         const u8 *rsn_eid;
 327         int ch;
 328         int rc = 0;
 329
 330         if (test_bit(wil_status_fwconnecting, &wil->status) ||
 331             test_bit(wil_status_fwconnected, &wil->status))
 332                 return -EALREADY;
 333
 334         bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
 335                                sme->ssid, sme->ssid_len,
 336                                WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
 337         if (!bss) {
 338                 wil_err(wil, "Unable to find BSS\n");
 339                 return -ENOENT;
 340         }
 341
 342         ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
 343         if (!ssid_eid) {
 344                 wil_err(wil, "No SSID\n");
 345                 rc = -ENOENT;
 346                 goto out;
 347         }
 348
 349         rsn_eid = sme->ie ?
 350                         cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
 351                         NULL;
 352         if (rsn_eid) {
 353                 if (sme->ie_len > WMI_MAX_IE_LEN) {
 354                         rc = -ERANGE;
 355                         wil_err(wil, "IE too large (%td bytes)\n",
 356                                 sme->ie_len);
 357                         goto out;
 358                 }
 359                 /*
 360                  * For secure assoc, send:
 361                  * (1) WMI_DELETE_CIPHER_KEY_CMD
 362                  * (2) WMI_SET_APPIE_CMD
 363                  */
 364                 rc = wmi_del_cipher_key(wil, 0, bss->bssid);
 365                 if (rc) {
 366                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n");
 367                         goto out;
 368                 }
 369                 /* WMI_SET_APPIE_CMD */
 370                 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
 371                 if (rc) {
 372                         wil_err(wil, "WMI_SET_APPIE_CMD failed\n");
 373                         goto out;
 374                 }
 375         }
 376
 377         /* WMI_CONNECT_CMD */
 378         memset(&conn, 0, sizeof(conn));
 379         switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
 380         case WLAN_CAPABILITY_DMG_TYPE_AP:
 381                 conn.network_type = WMI_NETTYPE_INFRA;
 382                 break;
 383         case WLAN_CAPABILITY_DMG_TYPE_PBSS:
 384                 conn.network_type = WMI_NETTYPE_P2P;
 385                 break;
 386         default:
 387                 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
 388                         bss->capability);
 389                 goto out;
 390         }
 391         if (rsn_eid) {
 392                 conn.dot11_auth_mode = WMI_AUTH11_SHARED;
 393                 conn.auth_mode = WMI_AUTH_WPA2_PSK;
 394                 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
 395                 conn.pairwise_crypto_len = 16;
 396         } else {
 397                 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
 398                 conn.auth_mode = WMI_AUTH_NONE;
 399         }
 400
 401         conn.ssid_len = min_t(u8, ssid_eid[1], 32);
 402         memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
 403
 404         ch = bss->channel->hw_value;
 405         if (ch == 0) {
 406                 wil_err(wil, "BSS at unknown frequency %dMhz\n",
 407                         bss->channel->center_freq);
 408                 rc = -EOPNOTSUPP;
 409                 goto out;
 410         }
 411         conn.channel = ch - 1;
 412
 413         memcpy(conn.bssid, bss->bssid, ETH_ALEN);
 414         memcpy(conn.dst_mac, bss->bssid, ETH_ALEN);
 415
 416         set_bit(wil_status_fwconnecting, &wil->status);
 417
 418         rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
 419         if (rc == 0) {
 420                 /* Connect can take lots of time */
 421                 mod_timer(&wil->connect_timer,
 422                           jiffies + msecs_to_jiffies(2000));
 423         } else {
 424                 clear_bit(wil_status_fwconnecting, &wil->status);
 425         }
 426
 427  out:
 428         cfg80211_put_bss(wiphy, bss);
 429
 430         return rc;
 431 }
 432
 433 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
 434                                    struct net_device *ndev,
 435                                    u16 reason_code)
 436 {
 437         int rc;
 438         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 439
 440         rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
 441
 442         return rc;
 443 }
 444
 445 static int wil_cfg80211_mgmt_tx(struct wiphy *wiphy,
 446                                 struct wireless_dev *wdev,
 447                                 struct cfg80211_mgmt_tx_params *params,
 448                                 u64 *cookie)
 449 {
 450         const u8 *buf = params->buf;
 451         size_t len = params->len;
 452         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 453         int rc;
 454         struct ieee80211_mgmt *mgmt_frame = (void *)buf;
 455         struct wmi_sw_tx_req_cmd *cmd;
 456         struct {
 457                 struct wil6210_mbox_hdr_wmi wmi;
 458                 struct wmi_sw_tx_complete_event evt;
 459         } __packed evt;
 460
 461         cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
 462         if (!cmd)
 463                 return -ENOMEM;
 464
 465         memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
 466         cmd->len = cpu_to_le16(len);
 467         memcpy(cmd->payload, buf, len);
 468
 469         rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
 470                       WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
 471         if (rc == 0)
 472                 rc = evt.evt.status;
 473
 474         kfree(cmd);
 475
 476         return rc;
 477 }
 478
 479 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
 480                                     struct cfg80211_chan_def *chandef)
 481 {
 482         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 483         struct wireless_dev *wdev = wil->wdev;
 484
 485         wdev->preset_chandef = *chandef;
 486
 487         return 0;
 488 }
 489
 490 static int wil_cfg80211_add_key(struct wiphy *wiphy,
 491                                 struct net_device *ndev,
 492                                 u8 key_index, bool pairwise,
 493                                 const u8 *mac_addr,
 494                                 struct key_params *params)
 495 {
 496         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 497
 498         /* group key is not used */
 499         if (!pairwise)
 500                 return 0;
 501
 502         return wmi_add_cipher_key(wil, key_index, mac_addr,
 503                                   params->key_len, params->key);
 504 }
 505
 506 static int wil_cfg80211_del_key(struct wiphy *wiphy,
 507                                 struct net_device *ndev,
 508                                 u8 key_index, bool pairwise,
 509                                 const u8 *mac_addr)
 510 {
 511         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 512
 513         /* group key is not used */
 514         if (!pairwise)
 515                 return 0;
 516
 517         return wmi_del_cipher_key(wil, key_index, mac_addr);
 518 }
 519
 520 /* Need to be present or wiphy_new() will WARN */
 521 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
 522                                         struct net_device *ndev,
 523                                         u8 key_index, bool unicast,
 524                                         bool multicast)
 525 {
 526         return 0;
 527 }
 528
 529 static int wil_remain_on_channel(struct wiphy *wiphy,
 530                                  struct wireless_dev *wdev,
 531                                  struct ieee80211_channel *chan,
 532                                  unsigned int duration,
 533                                  u64 *cookie)
 534 {
 535         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 536         int rc;
 537
 538         /* TODO: handle duration */
 539         wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration);
 540
 541         rc = wmi_set_channel(wil, chan->hw_value);
 542         if (rc)
 543                 return rc;
 544
 545         rc = wmi_rxon(wil, true);
 546
 547         return rc;
 548 }
 549
 550 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
 551                                         struct wireless_dev *wdev,
 552                                         u64 cookie)
 553 {
 554         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 555         int rc;
 556
 557         wil_info(wil, "%s()\n", __func__);
 558
 559         rc = wmi_rxon(wil, false);
 560
 561         return rc;
 562 }
 563
 564 static int wil_fix_bcon(struct wil6210_priv *wil,
 565                         struct cfg80211_beacon_data *bcon)
 566 {
 567         struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
 568         size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
 569         int rc = 0;
 570
 571         if (bcon->probe_resp_len <= hlen)
 572                 return 0;
 573
 574         if (!bcon->proberesp_ies) {
 575                 bcon->proberesp_ies = f->u.probe_resp.variable;
 576                 bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
 577                 rc = 1;
 578         }
 579         if (!bcon->assocresp_ies) {
 580                 bcon->assocresp_ies = f->u.probe_resp.variable;
 581                 bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
 582                 rc = 1;
 583         }
 584
 585         return rc;
 586 }
 587
 588 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
 589                                  struct net_device *ndev,
 590                                  struct cfg80211_ap_settings *info)
 591 {
 592         int rc = 0;
 593         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 594         struct wireless_dev *wdev = ndev->ieee80211_ptr;
 595         struct ieee80211_channel *channel = info->chandef.chan;
 596         struct cfg80211_beacon_data *bcon = &info->beacon;
 597         u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
 598
 599         if (!channel) {
 600                 wil_err(wil, "AP: No channel???\n");
 601                 return -EINVAL;
 602         }
 603
 604         wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
 605                      channel->center_freq, info->privacy ? "secure" : "open");
 606         print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
 607                              info->ssid, info->ssid_len);
 608
 609         if (wil_fix_bcon(wil, bcon))
 610                 wil_dbg_misc(wil, "Fixed bcon\n");
 611
 612         mutex_lock(&wil->mutex);
 613
 614         rc = wil_reset(wil);
 615         if (rc)
 616                 goto out;
 617
 618         /* Rx VRING. */
 619         rc = wil_rx_init(wil);
 620         if (rc)
 621                 goto out;
 622
 623         rc = wmi_set_ssid(wil, info->ssid_len, info->ssid);
 624         if (rc)
 625                 goto out;
 626
 627         /* MAC address - pre-requisite for other commands */
 628         wmi_set_mac_address(wil, ndev->dev_addr);
 629
 630         /* IE's */
 631         /* bcon 'head IE's are not relevant for 60g band */
 632         /*
 633          * FW do not form regular beacon, so bcon IE's are not set
 634          * For the DMG bcon, when it will be supported, bcon IE's will
 635          * be reused; add something like:
 636          * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
 637          * bcon->beacon_ies);
 638          */
 639         wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
 640                    bcon->proberesp_ies);
 641         wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
 642                    bcon->assocresp_ies);
 643
 644         wil->secure_pcp = info->privacy;
 645
 646         rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype,
 647                            channel->hw_value);
 648         if (rc)
 649                 goto out;
 650
 651
 652         netif_carrier_on(ndev);
 653
 654 out:
 655         mutex_unlock(&wil->mutex);
 656         return rc;
 657 }
 658
 659 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
 660                                 struct net_device *ndev)
 661 {
 662         int rc = 0;
 663         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 664
 665         mutex_lock(&wil->mutex);
 666
 667         rc = wmi_pcp_stop(wil);
 668
 669         mutex_unlock(&wil->mutex);
 670         return rc;
 671 }
 672
 673 static int wil_cfg80211_del_station(struct wiphy *wiphy,
 674                                     struct net_device *dev, u8 *mac)
 675 {
 676         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 677
 678         mutex_lock(&wil->mutex);
 679         wil6210_disconnect(wil, mac);
 680         mutex_unlock(&wil->mutex);
 681
 682         return 0;
 683 }
 684
 685 static struct cfg80211_ops wil_cfg80211_ops = {
 686         .scan = wil_cfg80211_scan,
 687         .connect = wil_cfg80211_connect,
 688         .disconnect = wil_cfg80211_disconnect,
 689         .change_virtual_intf = wil_cfg80211_change_iface,
 690         .get_station = wil_cfg80211_get_station,
 691         .dump_station = wil_cfg80211_dump_station,
 692         .remain_on_channel = wil_remain_on_channel,
 693         .cancel_remain_on_channel = wil_cancel_remain_on_channel,
 694         .mgmt_tx = wil_cfg80211_mgmt_tx,
 695         .set_monitor_channel = wil_cfg80211_set_channel,
 696         .add_key = wil_cfg80211_add_key,
 697         .del_key = wil_cfg80211_del_key,
 698         .set_default_key = wil_cfg80211_set_default_key,
 699         /* AP mode */
 700         .start_ap = wil_cfg80211_start_ap,
 701         .stop_ap = wil_cfg80211_stop_ap,
 702         .del_station = wil_cfg80211_del_station,
 703 };
 704
 705 static void wil_wiphy_init(struct wiphy *wiphy)
 706 {
 707         /* TODO: set real value */
 708         wiphy->max_scan_ssids = 10;
 709         wiphy->max_num_pmkids = 0 /* TODO: */;
 710         wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 711                                  BIT(NL80211_IFTYPE_AP) |
 712                                  BIT(NL80211_IFTYPE_MONITOR);
 713         /* TODO: enable P2P when integrated with supplicant:
 714          * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
 715          */
 716         wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
 717                         WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
 718         dev_warn(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
 719                  __func__, wiphy->flags);
 720         wiphy->probe_resp_offload =
 721                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
 722                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
 723                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
 724
 725         wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;
 726
 727         /* TODO: figure this out */
 728         wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
 729
 730         wiphy->cipher_suites = wil_cipher_suites;
 731         wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
 732         wiphy->mgmt_stypes = wil_mgmt_stypes;
 733 }
 734
 735 struct wireless_dev *wil_cfg80211_init(struct device *dev)
 736 {
 737         int rc = 0;
 738         struct wireless_dev *wdev;
 739
 740         wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
 741         if (!wdev)
 742                 return ERR_PTR(-ENOMEM);
 743
 744         wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
 745                                 sizeof(struct wil6210_priv));
 746         if (!wdev->wiphy) {
 747                 rc = -ENOMEM;
 748                 goto out;
 749         }
 750
 751         set_wiphy_dev(wdev->wiphy, dev);
 752         wil_wiphy_init(wdev->wiphy);
 753
 754         rc = wiphy_register(wdev->wiphy);
 755         if (rc < 0)
 756                 goto out_failed_reg;
 757
 758         return wdev;
 759
 760 out_failed_reg:
 761         wiphy_free(wdev->wiphy);
 762 out:
 763         kfree(wdev);
 764
 765         return ERR_PTR(rc);
 766 }
 767
 768 void wil_wdev_free(struct wil6210_priv *wil)
 769 {
 770         struct wireless_dev *wdev = wil_to_wdev(wil);
 771
 772         if (!wdev)
 773                 return;
 774
 775         wiphy_unregister(wdev->wiphy);
 776         wiphy_free(wdev->wiphy);
 777         kfree(wdev);
 778 }