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

   1 /*
   2  * Copyright (c) 2012-2014 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 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                                     const 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_dbg_misc(wil, "Start scan_request 0x%p\n", request);
 291         wil->scan_request = request;
 292         mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);
 293
 294         memset(&cmd, 0, sizeof(cmd));
 295         cmd.cmd.num_channels = 0;
 296         n = min(request->n_channels, 4U);
 297         for (i = 0; i < n; i++) {
 298                 int ch = request->channels[i]->hw_value;
 299                 if (ch == 0) {
 300                         wil_err(wil,
 301                                 "Scan requested for unknown frequency %dMhz\n",
 302                                 request->channels[i]->center_freq);
 303                         continue;
 304                 }
 305                 /* 0-based channel indexes */
 306                 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
 307                 wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
 308                              request->channels[i]->center_freq);
 309         }
 310
 311         rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
 312                         cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
 313
 314         if (rc) {
 315                 del_timer_sync(&wil->scan_timer);
 316                 wil->scan_request = NULL;
 317         }
 318
 319         return rc;
 320 }
 321
 322 static void wil_print_connect_params(struct wil6210_priv *wil,
 323                                      struct cfg80211_connect_params *sme)
 324 {
 325         wil_info(wil, "Connecting to:\n");
 326         if (sme->channel) {
 327                 wil_info(wil, "  Channel: %d freq %d\n",
 328                          sme->channel->hw_value, sme->channel->center_freq);
 329         }
 330         if (sme->bssid)
 331                 wil_info(wil, "  BSSID: %pM\n", sme->bssid);
 332         if (sme->ssid)
 333                 print_hex_dump(KERN_INFO, "  SSID: ", DUMP_PREFIX_OFFSET,
 334                                16, 1, sme->ssid, sme->ssid_len, true);
 335         wil_info(wil, "  Privacy: %s\n", sme->privacy ? "secure" : "open");
 336 }
 337
 338 static int wil_cfg80211_connect(struct wiphy *wiphy,
 339                                 struct net_device *ndev,
 340                                 struct cfg80211_connect_params *sme)
 341 {
 342         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 343         struct cfg80211_bss *bss;
 344         struct wmi_connect_cmd conn;
 345         const u8 *ssid_eid;
 346         const u8 *rsn_eid;
 347         int ch;
 348         int rc = 0;
 349
 350         if (test_bit(wil_status_fwconnecting, &wil->status) ||
 351             test_bit(wil_status_fwconnected, &wil->status))
 352                 return -EALREADY;
 353
 354         wil_print_connect_params(wil, sme);
 355
 356         bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
 357                                sme->ssid, sme->ssid_len,
 358                                WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
 359         if (!bss) {
 360                 wil_err(wil, "Unable to find BSS\n");
 361                 return -ENOENT;
 362         }
 363
 364         ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
 365         if (!ssid_eid) {
 366                 wil_err(wil, "No SSID\n");
 367                 rc = -ENOENT;
 368                 goto out;
 369         }
 370
 371         rsn_eid = sme->ie ?
 372                         cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
 373                         NULL;
 374         if (rsn_eid) {
 375                 if (sme->ie_len > WMI_MAX_IE_LEN) {
 376                         rc = -ERANGE;
 377                         wil_err(wil, "IE too large (%td bytes)\n",
 378                                 sme->ie_len);
 379                         goto out;
 380                 }
 381                 /*
 382                  * For secure assoc, send:
 383                  * (1) WMI_DELETE_CIPHER_KEY_CMD
 384                  * (2) WMI_SET_APPIE_CMD
 385                  */
 386                 rc = wmi_del_cipher_key(wil, 0, bss->bssid);
 387                 if (rc) {
 388                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n");
 389                         goto out;
 390                 }
 391                 /* WMI_SET_APPIE_CMD */
 392                 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
 393                 if (rc) {
 394                         wil_err(wil, "WMI_SET_APPIE_CMD failed\n");
 395                         goto out;
 396                 }
 397         }
 398
 399         /* WMI_CONNECT_CMD */
 400         memset(&conn, 0, sizeof(conn));
 401         switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
 402         case WLAN_CAPABILITY_DMG_TYPE_AP:
 403                 conn.network_type = WMI_NETTYPE_INFRA;
 404                 break;
 405         case WLAN_CAPABILITY_DMG_TYPE_PBSS:
 406                 conn.network_type = WMI_NETTYPE_P2P;
 407                 break;
 408         default:
 409                 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
 410                         bss->capability);
 411                 goto out;
 412         }
 413         if (rsn_eid) {
 414                 conn.dot11_auth_mode = WMI_AUTH11_SHARED;
 415                 conn.auth_mode = WMI_AUTH_WPA2_PSK;
 416                 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
 417                 conn.pairwise_crypto_len = 16;
 418         } else {
 419                 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
 420                 conn.auth_mode = WMI_AUTH_NONE;
 421         }
 422
 423         conn.ssid_len = min_t(u8, ssid_eid[1], 32);
 424         memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
 425
 426         ch = bss->channel->hw_value;
 427         if (ch == 0) {
 428                 wil_err(wil, "BSS at unknown frequency %dMhz\n",
 429                         bss->channel->center_freq);
 430                 rc = -EOPNOTSUPP;
 431                 goto out;
 432         }
 433         conn.channel = ch - 1;
 434
 435         memcpy(conn.bssid, bss->bssid, ETH_ALEN);
 436         memcpy(conn.dst_mac, bss->bssid, ETH_ALEN);
 437
 438         set_bit(wil_status_fwconnecting, &wil->status);
 439
 440         rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
 441         if (rc == 0) {
 442                 /* Connect can take lots of time */
 443                 mod_timer(&wil->connect_timer,
 444                           jiffies + msecs_to_jiffies(2000));
 445         } else {
 446                 clear_bit(wil_status_fwconnecting, &wil->status);
 447         }
 448
 449  out:
 450         cfg80211_put_bss(wiphy, bss);
 451
 452         return rc;
 453 }
 454
 455 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
 456                                    struct net_device *ndev,
 457                                    u16 reason_code)
 458 {
 459         int rc;
 460         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 461
 462         rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
 463
 464         return rc;
 465 }
 466
 467 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 468                          struct cfg80211_mgmt_tx_params *params,
 469                          u64 *cookie)
 470 {
 471         const u8 *buf = params->buf;
 472         size_t len = params->len;
 473         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 474         int rc;
 475         bool tx_status = false;
 476         struct ieee80211_mgmt *mgmt_frame = (void *)buf;
 477         struct wmi_sw_tx_req_cmd *cmd;
 478         struct {
 479                 struct wil6210_mbox_hdr_wmi wmi;
 480                 struct wmi_sw_tx_complete_event evt;
 481         } __packed evt;
 482
 483         cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
 484         if (!cmd) {
 485                 rc = -ENOMEM;
 486                 goto out;
 487         }
 488
 489         memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
 490         cmd->len = cpu_to_le16(len);
 491         memcpy(cmd->payload, buf, len);
 492
 493         rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
 494                       WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
 495         if (rc == 0)
 496                 tx_status = !evt.evt.status;
 497
 498         kfree(cmd);
 499  out:
 500         cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
 501                                 tx_status, GFP_KERNEL);
 502         return rc;
 503 }
 504
 505 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
 506                                     struct cfg80211_chan_def *chandef)
 507 {
 508         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 509         struct wireless_dev *wdev = wil->wdev;
 510
 511         wdev->preset_chandef = *chandef;
 512
 513         return 0;
 514 }
 515
 516 static int wil_cfg80211_add_key(struct wiphy *wiphy,
 517                                 struct net_device *ndev,
 518                                 u8 key_index, bool pairwise,
 519                                 const u8 *mac_addr,
 520                                 struct key_params *params)
 521 {
 522         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 523
 524         /* group key is not used */
 525         if (!pairwise)
 526                 return 0;
 527
 528         return wmi_add_cipher_key(wil, key_index, mac_addr,
 529                                   params->key_len, params->key);
 530 }
 531
 532 static int wil_cfg80211_del_key(struct wiphy *wiphy,
 533                                 struct net_device *ndev,
 534                                 u8 key_index, bool pairwise,
 535                                 const u8 *mac_addr)
 536 {
 537         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 538
 539         /* group key is not used */
 540         if (!pairwise)
 541                 return 0;
 542
 543         return wmi_del_cipher_key(wil, key_index, mac_addr);
 544 }
 545
 546 /* Need to be present or wiphy_new() will WARN */
 547 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
 548                                         struct net_device *ndev,
 549                                         u8 key_index, bool unicast,
 550                                         bool multicast)
 551 {
 552         return 0;
 553 }
 554
 555 static int wil_remain_on_channel(struct wiphy *wiphy,
 556                                  struct wireless_dev *wdev,
 557                                  struct ieee80211_channel *chan,
 558                                  unsigned int duration,
 559                                  u64 *cookie)
 560 {
 561         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 562         int rc;
 563
 564         /* TODO: handle duration */
 565         wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration);
 566
 567         rc = wmi_set_channel(wil, chan->hw_value);
 568         if (rc)
 569                 return rc;
 570
 571         rc = wmi_rxon(wil, true);
 572
 573         return rc;
 574 }
 575
 576 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
 577                                         struct wireless_dev *wdev,
 578                                         u64 cookie)
 579 {
 580         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 581         int rc;
 582
 583         wil_info(wil, "%s()\n", __func__);
 584
 585         rc = wmi_rxon(wil, false);
 586
 587         return rc;
 588 }
 589
 590 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
 591 {
 592         print_hex_dump_bytes("head     ", DUMP_PREFIX_OFFSET,
 593                              b->head, b->head_len);
 594         print_hex_dump_bytes("tail     ", DUMP_PREFIX_OFFSET,
 595                              b->tail, b->tail_len);
 596         print_hex_dump_bytes("BCON IE  ", DUMP_PREFIX_OFFSET,
 597                              b->beacon_ies, b->beacon_ies_len);
 598         print_hex_dump_bytes("PROBE    ", DUMP_PREFIX_OFFSET,
 599                              b->probe_resp, b->probe_resp_len);
 600         print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET,
 601                              b->proberesp_ies, b->proberesp_ies_len);
 602         print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET,
 603                              b->assocresp_ies, b->assocresp_ies_len);
 604 }
 605
 606 static void wil_print_crypto(struct wil6210_priv *wil,
 607                              struct cfg80211_crypto_settings *c)
 608 {
 609         wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
 610                      c->wpa_versions, c->cipher_group);
 611         wil_dbg_misc(wil, "Pairwise ciphers [%d]\n", c->n_ciphers_pairwise);
 612         wil_dbg_misc(wil, "AKM suites [%d]\n", c->n_akm_suites);
 613         wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
 614                      c->control_port, be16_to_cpu(c->control_port_ethertype),
 615                      c->control_port_no_encrypt);
 616 }
 617
 618 static int wil_fix_bcon(struct wil6210_priv *wil,
 619                         struct cfg80211_beacon_data *bcon)
 620 {
 621         struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
 622         size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
 623         int rc = 0;
 624
 625         if (bcon->probe_resp_len <= hlen)
 626                 return 0;
 627
 628         if (!bcon->proberesp_ies) {
 629                 bcon->proberesp_ies = f->u.probe_resp.variable;
 630                 bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
 631                 rc = 1;
 632         }
 633         if (!bcon->assocresp_ies) {
 634                 bcon->assocresp_ies = f->u.probe_resp.variable;
 635                 bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
 636                 rc = 1;
 637         }
 638
 639         return rc;
 640 }
 641
 642 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
 643                                  struct net_device *ndev,
 644                                  struct cfg80211_ap_settings *info)
 645 {
 646         int rc = 0;
 647         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 648         struct wireless_dev *wdev = ndev->ieee80211_ptr;
 649         struct ieee80211_channel *channel = info->chandef.chan;
 650         struct cfg80211_beacon_data *bcon = &info->beacon;
 651         struct cfg80211_crypto_settings *crypto = &info->crypto;
 652         u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
 653
 654         wil_dbg_misc(wil, "%s()\n", __func__);
 655
 656         if (!channel) {
 657                 wil_err(wil, "AP: No channel???\n");
 658                 return -EINVAL;
 659         }
 660
 661         wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
 662                      channel->center_freq, info->privacy ? "secure" : "open");
 663         wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
 664                      info->privacy, info->auth_type);
 665         wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
 666                      info->dtim_period);
 667         print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
 668                              info->ssid, info->ssid_len);
 669         wil_print_bcon_data(bcon);
 670         wil_print_crypto(wil, crypto);
 671
 672         if (wil_fix_bcon(wil, bcon)) {
 673                 wil_dbg_misc(wil, "Fixed bcon\n");
 674                 wil_print_bcon_data(bcon);
 675         }
 676
 677         mutex_lock(&wil->mutex);
 678
 679         rc = wil_reset(wil);
 680         if (rc)
 681                 goto out;
 682
 683         /* Rx VRING. */
 684         rc = wil_rx_init(wil);
 685         if (rc)
 686                 goto out;
 687
 688         rc = wmi_set_ssid(wil, info->ssid_len, info->ssid);
 689         if (rc)
 690                 goto out;
 691
 692         /* MAC address - pre-requisite for other commands */
 693         wmi_set_mac_address(wil, ndev->dev_addr);
 694
 695         /* IE's */
 696         /* bcon 'head IE's are not relevant for 60g band */
 697         /*
 698          * FW do not form regular beacon, so bcon IE's are not set
 699          * For the DMG bcon, when it will be supported, bcon IE's will
 700          * be reused; add something like:
 701          * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
 702          * bcon->beacon_ies);
 703          */
 704         wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
 705                    bcon->proberesp_ies);
 706         wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
 707                    bcon->assocresp_ies);
 708
 709         wil->secure_pcp = info->privacy;
 710
 711         rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype,
 712                            channel->hw_value);
 713         if (rc)
 714                 goto out;
 715
 716
 717         netif_carrier_on(ndev);
 718
 719 out:
 720         mutex_unlock(&wil->mutex);
 721         return rc;
 722 }
 723
 724 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
 725                                 struct net_device *ndev)
 726 {
 727         int rc = 0;
 728         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 729
 730         wil_dbg_misc(wil, "%s()\n", __func__);
 731
 732         mutex_lock(&wil->mutex);
 733
 734         rc = wmi_pcp_stop(wil);
 735
 736         mutex_unlock(&wil->mutex);
 737         return rc;
 738 }
 739
 740 static int wil_cfg80211_del_station(struct wiphy *wiphy,
 741                                     struct net_device *dev, const u8 *mac)
 742 {
 743         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 744
 745         mutex_lock(&wil->mutex);
 746         wil6210_disconnect(wil, mac);
 747         mutex_unlock(&wil->mutex);
 748
 749         return 0;
 750 }
 751
 752 static struct cfg80211_ops wil_cfg80211_ops = {
 753         .scan = wil_cfg80211_scan,
 754         .connect = wil_cfg80211_connect,
 755         .disconnect = wil_cfg80211_disconnect,
 756         .change_virtual_intf = wil_cfg80211_change_iface,
 757         .get_station = wil_cfg80211_get_station,
 758         .dump_station = wil_cfg80211_dump_station,
 759         .remain_on_channel = wil_remain_on_channel,
 760         .cancel_remain_on_channel = wil_cancel_remain_on_channel,
 761         .mgmt_tx = wil_cfg80211_mgmt_tx,
 762         .set_monitor_channel = wil_cfg80211_set_channel,
 763         .add_key = wil_cfg80211_add_key,
 764         .del_key = wil_cfg80211_del_key,
 765         .set_default_key = wil_cfg80211_set_default_key,
 766         /* AP mode */
 767         .start_ap = wil_cfg80211_start_ap,
 768         .stop_ap = wil_cfg80211_stop_ap,
 769         .del_station = wil_cfg80211_del_station,
 770 };
 771
 772 static void wil_wiphy_init(struct wiphy *wiphy)
 773 {
 774         /* TODO: set real value */
 775         wiphy->max_scan_ssids = 10;
 776         wiphy->max_num_pmkids = 0 /* TODO: */;
 777         wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 778                                  BIT(NL80211_IFTYPE_AP) |
 779                                  BIT(NL80211_IFTYPE_MONITOR);
 780         /* TODO: enable P2P when integrated with supplicant:
 781          * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
 782          */
 783         wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
 784                         WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
 785         dev_warn(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
 786                  __func__, wiphy->flags);
 787         wiphy->probe_resp_offload =
 788                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
 789                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
 790                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
 791
 792         wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;
 793
 794         /* TODO: figure this out */
 795         wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
 796
 797         wiphy->cipher_suites = wil_cipher_suites;
 798         wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
 799         wiphy->mgmt_stypes = wil_mgmt_stypes;
 800 }
 801
 802 struct wireless_dev *wil_cfg80211_init(struct device *dev)
 803 {
 804         int rc = 0;
 805         struct wireless_dev *wdev;
 806
 807         wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
 808         if (!wdev)
 809                 return ERR_PTR(-ENOMEM);
 810
 811         wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
 812                                 sizeof(struct wil6210_priv));
 813         if (!wdev->wiphy) {
 814                 rc = -ENOMEM;
 815                 goto out;
 816         }
 817
 818         set_wiphy_dev(wdev->wiphy, dev);
 819         wil_wiphy_init(wdev->wiphy);
 820
 821         rc = wiphy_register(wdev->wiphy);
 822         if (rc < 0)
 823                 goto out_failed_reg;
 824
 825         return wdev;
 826
 827 out_failed_reg:
 828         wiphy_free(wdev->wiphy);
 829 out:
 830         kfree(wdev);
 831
 832         return ERR_PTR(rc);
 833 }
 834
 835 void wil_wdev_free(struct wil6210_priv *wil)
 836 {
 837         struct wireless_dev *wdev = wil_to_wdev(wil);
 838
 839         if (!wdev)
 840                 return;
 841
 842         wiphy_unregister(wdev->wiphy);
 843         wiphy_free(wdev->wiphy);
 844         kfree(wdev);
 845 }