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
 300                 if (ch == 0) {
 301                         wil_err(wil,
 302                                 "Scan requested for unknown frequency %dMhz\n",
 303                                 request->channels[i]->center_freq);
 304                         continue;
 305                 }
 306                 /* 0-based channel indexes */
 307                 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
 308                 wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
 309                              request->channels[i]->center_freq);
 310         }
 311
 312         if (request->ie_len)
 313                 print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET,
 314                                      request->ie, request->ie_len);
 315         else
 316                 wil_dbg_misc(wil, "Scan has no IE's\n");
 317
 318         rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len,
 319                         request->ie);
 320         if (rc) {
 321                 wil_err(wil, "Aborting scan, set_ie failed: %d\n", rc);
 322                 goto out;
 323         }
 324
 325         rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
 326                         cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
 327
 328 out:
 329         if (rc) {
 330                 del_timer_sync(&wil->scan_timer);
 331                 wil->scan_request = NULL;
 332         }
 333
 334         return rc;
 335 }
 336
 337 static void wil_print_connect_params(struct wil6210_priv *wil,
 338                                      struct cfg80211_connect_params *sme)
 339 {
 340         wil_info(wil, "Connecting to:\n");
 341         if (sme->channel) {
 342                 wil_info(wil, "  Channel: %d freq %d\n",
 343                          sme->channel->hw_value, sme->channel->center_freq);
 344         }
 345         if (sme->bssid)
 346                 wil_info(wil, "  BSSID: %pM\n", sme->bssid);
 347         if (sme->ssid)
 348                 print_hex_dump(KERN_INFO, "  SSID: ", DUMP_PREFIX_OFFSET,
 349                                16, 1, sme->ssid, sme->ssid_len, true);
 350         wil_info(wil, "  Privacy: %s\n", sme->privacy ? "secure" : "open");
 351 }
 352
 353 static int wil_cfg80211_connect(struct wiphy *wiphy,
 354                                 struct net_device *ndev,
 355                                 struct cfg80211_connect_params *sme)
 356 {
 357         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 358         struct cfg80211_bss *bss;
 359         struct wmi_connect_cmd conn;
 360         const u8 *ssid_eid;
 361         const u8 *rsn_eid;
 362         int ch;
 363         int rc = 0;
 364
 365         if (test_bit(wil_status_fwconnecting, wil->status) ||
 366             test_bit(wil_status_fwconnected, wil->status))
 367                 return -EALREADY;
 368
 369         wil_print_connect_params(wil, sme);
 370
 371         bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
 372                                sme->ssid, sme->ssid_len,
 373                                WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
 374         if (!bss) {
 375                 wil_err(wil, "Unable to find BSS\n");
 376                 return -ENOENT;
 377         }
 378
 379         ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
 380         if (!ssid_eid) {
 381                 wil_err(wil, "No SSID\n");
 382                 rc = -ENOENT;
 383                 goto out;
 384         }
 385
 386         rsn_eid = sme->ie ?
 387                         cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
 388                         NULL;
 389         if (rsn_eid) {
 390                 if (sme->ie_len > WMI_MAX_IE_LEN) {
 391                         rc = -ERANGE;
 392                         wil_err(wil, "IE too large (%td bytes)\n",
 393                                 sme->ie_len);
 394                         goto out;
 395                 }
 396                 /* For secure assoc, send WMI_DELETE_CIPHER_KEY_CMD */
 397                 rc = wmi_del_cipher_key(wil, 0, bss->bssid);
 398                 if (rc) {
 399                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n");
 400                         goto out;
 401                 }
 402         }
 403
 404         /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info
 405          * elements. Send it also in case it's empty, to erase previously set
 406          * ies in FW.
 407          */
 408         rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
 409         if (rc) {
 410                 wil_err(wil, "WMI_SET_APPIE_CMD failed\n");
 411                 goto out;
 412         }
 413
 414         /* WMI_CONNECT_CMD */
 415         memset(&conn, 0, sizeof(conn));
 416         switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
 417         case WLAN_CAPABILITY_DMG_TYPE_AP:
 418                 conn.network_type = WMI_NETTYPE_INFRA;
 419                 break;
 420         case WLAN_CAPABILITY_DMG_TYPE_PBSS:
 421                 conn.network_type = WMI_NETTYPE_P2P;
 422                 break;
 423         default:
 424                 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
 425                         bss->capability);
 426                 goto out;
 427         }
 428         if (rsn_eid) {
 429                 conn.dot11_auth_mode = WMI_AUTH11_SHARED;
 430                 conn.auth_mode = WMI_AUTH_WPA2_PSK;
 431                 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
 432                 conn.pairwise_crypto_len = 16;
 433         } else {
 434                 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
 435                 conn.auth_mode = WMI_AUTH_NONE;
 436         }
 437
 438         conn.ssid_len = min_t(u8, ssid_eid[1], 32);
 439         memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
 440
 441         ch = bss->channel->hw_value;
 442         if (ch == 0) {
 443                 wil_err(wil, "BSS at unknown frequency %dMhz\n",
 444                         bss->channel->center_freq);
 445                 rc = -EOPNOTSUPP;
 446                 goto out;
 447         }
 448         conn.channel = ch - 1;
 449
 450         memcpy(conn.bssid, bss->bssid, ETH_ALEN);
 451         memcpy(conn.dst_mac, bss->bssid, ETH_ALEN);
 452
 453         set_bit(wil_status_fwconnecting, wil->status);
 454
 455         rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
 456         if (rc == 0) {
 457                 /* Connect can take lots of time */
 458                 mod_timer(&wil->connect_timer,
 459                           jiffies + msecs_to_jiffies(2000));
 460         } else {
 461                 clear_bit(wil_status_fwconnecting, wil->status);
 462         }
 463
 464  out:
 465         cfg80211_put_bss(wiphy, bss);
 466
 467         return rc;
 468 }
 469
 470 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
 471                                    struct net_device *ndev,
 472                                    u16 reason_code)
 473 {
 474         int rc;
 475         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 476
 477         rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
 478
 479         return rc;
 480 }
 481
 482 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 483                          struct cfg80211_mgmt_tx_params *params,
 484                          u64 *cookie)
 485 {
 486         const u8 *buf = params->buf;
 487         size_t len = params->len;
 488         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 489         int rc;
 490         bool tx_status = false;
 491         struct ieee80211_mgmt *mgmt_frame = (void *)buf;
 492         struct wmi_sw_tx_req_cmd *cmd;
 493         struct {
 494                 struct wil6210_mbox_hdr_wmi wmi;
 495                 struct wmi_sw_tx_complete_event evt;
 496         } __packed evt;
 497
 498         cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
 499         if (!cmd) {
 500                 rc = -ENOMEM;
 501                 goto out;
 502         }
 503
 504         memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
 505         cmd->len = cpu_to_le16(len);
 506         memcpy(cmd->payload, buf, len);
 507
 508         rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
 509                       WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
 510         if (rc == 0)
 511                 tx_status = !evt.evt.status;
 512
 513         kfree(cmd);
 514  out:
 515         cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
 516                                 tx_status, GFP_KERNEL);
 517         return rc;
 518 }
 519
 520 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
 521                                     struct cfg80211_chan_def *chandef)
 522 {
 523         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 524         struct wireless_dev *wdev = wil->wdev;
 525
 526         wdev->preset_chandef = *chandef;
 527
 528         return 0;
 529 }
 530
 531 static int wil_cfg80211_add_key(struct wiphy *wiphy,
 532                                 struct net_device *ndev,
 533                                 u8 key_index, bool pairwise,
 534                                 const u8 *mac_addr,
 535                                 struct key_params *params)
 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_add_cipher_key(wil, key_index, mac_addr,
 544                                   params->key_len, params->key);
 545 }
 546
 547 static int wil_cfg80211_del_key(struct wiphy *wiphy,
 548                                 struct net_device *ndev,
 549                                 u8 key_index, bool pairwise,
 550                                 const u8 *mac_addr)
 551 {
 552         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 553
 554         /* group key is not used */
 555         if (!pairwise)
 556                 return 0;
 557
 558         return wmi_del_cipher_key(wil, key_index, mac_addr);
 559 }
 560
 561 /* Need to be present or wiphy_new() will WARN */
 562 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
 563                                         struct net_device *ndev,
 564                                         u8 key_index, bool unicast,
 565                                         bool multicast)
 566 {
 567         return 0;
 568 }
 569
 570 static int wil_remain_on_channel(struct wiphy *wiphy,
 571                                  struct wireless_dev *wdev,
 572                                  struct ieee80211_channel *chan,
 573                                  unsigned int duration,
 574                                  u64 *cookie)
 575 {
 576         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 577         int rc;
 578
 579         /* TODO: handle duration */
 580         wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration);
 581
 582         rc = wmi_set_channel(wil, chan->hw_value);
 583         if (rc)
 584                 return rc;
 585
 586         rc = wmi_rxon(wil, true);
 587
 588         return rc;
 589 }
 590
 591 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
 592                                         struct wireless_dev *wdev,
 593                                         u64 cookie)
 594 {
 595         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 596         int rc;
 597
 598         wil_info(wil, "%s()\n", __func__);
 599
 600         rc = wmi_rxon(wil, false);
 601
 602         return rc;
 603 }
 604
 605 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
 606 {
 607         print_hex_dump_bytes("head     ", DUMP_PREFIX_OFFSET,
 608                              b->head, b->head_len);
 609         print_hex_dump_bytes("tail     ", DUMP_PREFIX_OFFSET,
 610                              b->tail, b->tail_len);
 611         print_hex_dump_bytes("BCON IE  ", DUMP_PREFIX_OFFSET,
 612                              b->beacon_ies, b->beacon_ies_len);
 613         print_hex_dump_bytes("PROBE    ", DUMP_PREFIX_OFFSET,
 614                              b->probe_resp, b->probe_resp_len);
 615         print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET,
 616                              b->proberesp_ies, b->proberesp_ies_len);
 617         print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET,
 618                              b->assocresp_ies, b->assocresp_ies_len);
 619 }
 620
 621 static void wil_print_crypto(struct wil6210_priv *wil,
 622                              struct cfg80211_crypto_settings *c)
 623 {
 624         wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
 625                      c->wpa_versions, c->cipher_group);
 626         wil_dbg_misc(wil, "Pairwise ciphers [%d]\n", c->n_ciphers_pairwise);
 627         wil_dbg_misc(wil, "AKM suites [%d]\n", c->n_akm_suites);
 628         wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
 629                      c->control_port, be16_to_cpu(c->control_port_ethertype),
 630                      c->control_port_no_encrypt);
 631 }
 632
 633 static int wil_fix_bcon(struct wil6210_priv *wil,
 634                         struct cfg80211_beacon_data *bcon)
 635 {
 636         struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
 637         size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
 638         int rc = 0;
 639
 640         if (bcon->probe_resp_len <= hlen)
 641                 return 0;
 642
 643         if (!bcon->proberesp_ies) {
 644                 bcon->proberesp_ies = f->u.probe_resp.variable;
 645                 bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
 646                 rc = 1;
 647         }
 648         if (!bcon->assocresp_ies) {
 649                 bcon->assocresp_ies = f->u.probe_resp.variable;
 650                 bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
 651                 rc = 1;
 652         }
 653
 654         return rc;
 655 }
 656
 657 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
 658                                       struct net_device *ndev,
 659                                       struct cfg80211_beacon_data *bcon)
 660 {
 661         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 662         int rc;
 663
 664         wil_dbg_misc(wil, "%s()\n", __func__);
 665
 666         if (wil_fix_bcon(wil, bcon)) {
 667                 wil_dbg_misc(wil, "Fixed bcon\n");
 668                 wil_print_bcon_data(bcon);
 669         }
 670
 671         /* FW do not form regular beacon, so bcon IE's are not set
 672          * For the DMG bcon, when it will be supported, bcon IE's will
 673          * be reused; add something like:
 674          * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
 675          * bcon->beacon_ies);
 676          */
 677         rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP,
 678                         bcon->proberesp_ies_len,
 679                         bcon->proberesp_ies);
 680         if (rc) {
 681                 wil_err(wil, "set_ie(PROBE_RESP) failed\n");
 682                 return rc;
 683         }
 684
 685         rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP,
 686                         bcon->assocresp_ies_len,
 687                         bcon->assocresp_ies);
 688         if (rc) {
 689                 wil_err(wil, "set_ie(ASSOC_RESP) failed\n");
 690                 return rc;
 691         }
 692
 693         return 0;
 694 }
 695
 696 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
 697                                  struct net_device *ndev,
 698                                  struct cfg80211_ap_settings *info)
 699 {
 700         int rc = 0;
 701         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 702         struct wireless_dev *wdev = ndev->ieee80211_ptr;
 703         struct ieee80211_channel *channel = info->chandef.chan;
 704         struct cfg80211_beacon_data *bcon = &info->beacon;
 705         struct cfg80211_crypto_settings *crypto = &info->crypto;
 706         u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
 707
 708         wil_dbg_misc(wil, "%s()\n", __func__);
 709
 710         if (!channel) {
 711                 wil_err(wil, "AP: No channel???\n");
 712                 return -EINVAL;
 713         }
 714
 715         wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
 716                      channel->center_freq, info->privacy ? "secure" : "open");
 717         wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
 718                      info->privacy, info->auth_type);
 719         wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
 720                      info->dtim_period);
 721         print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
 722                              info->ssid, info->ssid_len);
 723         wil_print_bcon_data(bcon);
 724         wil_print_crypto(wil, crypto);
 725
 726         if (wil_fix_bcon(wil, bcon)) {
 727                 wil_dbg_misc(wil, "Fixed bcon\n");
 728                 wil_print_bcon_data(bcon);
 729         }
 730
 731         wil_set_recovery_state(wil, fw_recovery_idle);
 732
 733         mutex_lock(&wil->mutex);
 734
 735         __wil_down(wil);
 736         rc = __wil_up(wil);
 737         if (rc)
 738                 goto out;
 739
 740         rc = wmi_set_ssid(wil, info->ssid_len, info->ssid);
 741         if (rc)
 742                 goto out;
 743
 744         /* IE's */
 745         /* bcon 'head IE's are not relevant for 60g band */
 746         /*
 747          * FW do not form regular beacon, so bcon IE's are not set
 748          * For the DMG bcon, when it will be supported, bcon IE's will
 749          * be reused; add something like:
 750          * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
 751          * bcon->beacon_ies);
 752          */
 753         wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
 754                    bcon->proberesp_ies);
 755         wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
 756                    bcon->assocresp_ies);
 757
 758         wil->secure_pcp = info->privacy;
 759
 760         rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype,
 761                            channel->hw_value);
 762         if (rc)
 763                 goto out;
 764
 765         netif_carrier_on(ndev);
 766
 767 out:
 768         mutex_unlock(&wil->mutex);
 769         return rc;
 770 }
 771
 772 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
 773                                 struct net_device *ndev)
 774 {
 775         int rc, rc1;
 776         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 777
 778         wil_dbg_misc(wil, "%s()\n", __func__);
 779
 780         wil_set_recovery_state(wil, fw_recovery_idle);
 781
 782         mutex_lock(&wil->mutex);
 783
 784         rc = wmi_pcp_stop(wil);
 785
 786         __wil_down(wil);
 787         rc1 = __wil_up(wil);
 788
 789         mutex_unlock(&wil->mutex);
 790
 791         return min(rc, rc1);
 792 }
 793
 794 static int wil_cfg80211_del_station(struct wiphy *wiphy,
 795                                     struct net_device *dev,
 796                                     struct station_del_parameters *params)
 797 {
 798         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 799
 800         mutex_lock(&wil->mutex);
 801         wil6210_disconnect(wil, params->mac, params->reason_code, false);
 802         mutex_unlock(&wil->mutex);
 803
 804         return 0;
 805 }
 806
 807 static struct cfg80211_ops wil_cfg80211_ops = {
 808         .scan = wil_cfg80211_scan,
 809         .connect = wil_cfg80211_connect,
 810         .disconnect = wil_cfg80211_disconnect,
 811         .change_virtual_intf = wil_cfg80211_change_iface,
 812         .get_station = wil_cfg80211_get_station,
 813         .dump_station = wil_cfg80211_dump_station,
 814         .remain_on_channel = wil_remain_on_channel,
 815         .cancel_remain_on_channel = wil_cancel_remain_on_channel,
 816         .mgmt_tx = wil_cfg80211_mgmt_tx,
 817         .set_monitor_channel = wil_cfg80211_set_channel,
 818         .add_key = wil_cfg80211_add_key,
 819         .del_key = wil_cfg80211_del_key,
 820         .set_default_key = wil_cfg80211_set_default_key,
 821         /* AP mode */
 822         .change_beacon = wil_cfg80211_change_beacon,
 823         .start_ap = wil_cfg80211_start_ap,
 824         .stop_ap = wil_cfg80211_stop_ap,
 825         .del_station = wil_cfg80211_del_station,
 826 };
 827
 828 static void wil_wiphy_init(struct wiphy *wiphy)
 829 {
 830         /* TODO: set real value */
 831         wiphy->max_scan_ssids = 10;
 832         wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
 833         wiphy->max_num_pmkids = 0 /* TODO: */;
 834         wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 835                                  BIT(NL80211_IFTYPE_AP) |
 836                                  BIT(NL80211_IFTYPE_MONITOR);
 837         /* TODO: enable P2P when integrated with supplicant:
 838          * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
 839          */
 840         wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
 841                         WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
 842         dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
 843                 __func__, wiphy->flags);
 844         wiphy->probe_resp_offload =
 845                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
 846                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
 847                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
 848
 849         wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz;
 850
 851         /* TODO: figure this out */
 852         wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
 853
 854         wiphy->cipher_suites = wil_cipher_suites;
 855         wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
 856         wiphy->mgmt_stypes = wil_mgmt_stypes;
 857 }
 858
 859 struct wireless_dev *wil_cfg80211_init(struct device *dev)
 860 {
 861         int rc = 0;
 862         struct wireless_dev *wdev;
 863
 864         dev_dbg(dev, "%s()\n", __func__);
 865
 866         wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
 867         if (!wdev)
 868                 return ERR_PTR(-ENOMEM);
 869
 870         wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
 871                                 sizeof(struct wil6210_priv));
 872         if (!wdev->wiphy) {
 873                 rc = -ENOMEM;
 874                 goto out;
 875         }
 876
 877         set_wiphy_dev(wdev->wiphy, dev);
 878         wil_wiphy_init(wdev->wiphy);
 879
 880         rc = wiphy_register(wdev->wiphy);
 881         if (rc < 0)
 882                 goto out_failed_reg;
 883
 884         return wdev;
 885
 886 out_failed_reg:
 887         wiphy_free(wdev->wiphy);
 888 out:
 889         kfree(wdev);
 890
 891         return ERR_PTR(rc);
 892 }
 893
 894 void wil_wdev_free(struct wil6210_priv *wil)
 895 {
 896         struct wireless_dev *wdev = wil_to_wdev(wil);
 897
 898         dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
 899
 900         if (!wdev)
 901                 return;
 902
 903         wiphy_unregister(wdev->wiphy);
 904         wiphy_free(wdev->wiphy);
 905         kfree(wdev);
 906 }