1 /* 2 * Copyright (c) 2012-2016 Qualcomm Atheros, Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <linux/etherdevice.h> 18 #include "wil6210.h" 19 #include "wmi.h" 20 21 #define WIL_MAX_ROC_DURATION_MS 5000 22 23 #define CHAN60G(_channel, _flags) { \ 24 .band = NL80211_BAND_60GHZ, \ 25 .center_freq = 56160 + (2160 * (_channel)), \ 26 .hw_value = (_channel), \ 27 .flags = (_flags), \ 28 .max_antenna_gain = 0, \ 29 .max_power = 40, \ 30 } 31 32 static struct ieee80211_channel wil_60ghz_channels[] = { 33 CHAN60G(1, 0), 34 CHAN60G(2, 0), 35 CHAN60G(3, 0), 36 /* channel 4 not supported yet */ 37 }; 38 39 static struct ieee80211_supported_band wil_band_60ghz = { 40 .channels = wil_60ghz_channels, 41 .n_channels = ARRAY_SIZE(wil_60ghz_channels), 42 .ht_cap = { 43 .ht_supported = true, 44 .cap = 0, /* TODO */ 45 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */ 46 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */ 47 .mcs = { 48 /* MCS 1..12 - SC PHY */ 49 .rx_mask = {0xfe, 0x1f}, /* 1..12 */ 50 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */ 51 }, 52 }, 53 }; 54 55 static const struct ieee80211_txrx_stypes 56 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = { 57 [NL80211_IFTYPE_STATION] = { 58 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 59 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 60 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 61 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 62 }, 63 [NL80211_IFTYPE_AP] = { 64 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 65 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 66 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 67 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 68 }, 69 [NL80211_IFTYPE_P2P_CLIENT] = { 70 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 71 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 72 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 73 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 74 }, 75 [NL80211_IFTYPE_P2P_GO] = { 76 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 77 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 78 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 79 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 80 }, 81 [NL80211_IFTYPE_P2P_DEVICE] = { 82 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 83 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 84 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 85 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 86 }, 87 }; 88 89 static const u32 wil_cipher_suites[] = { 90 WLAN_CIPHER_SUITE_GCMP, 91 }; 92 93 static const char * const key_usage_str[] = { 94 [WMI_KEY_USE_PAIRWISE] = "PTK", 95 [WMI_KEY_USE_RX_GROUP] = "RX_GTK", 96 [WMI_KEY_USE_TX_GROUP] = "TX_GTK", 97 }; 98 99 int wil_iftype_nl2wmi(enum nl80211_iftype type) 100 { 101 static const struct { 102 enum nl80211_iftype nl; 103 enum wmi_network_type wmi; 104 } __nl2wmi[] = { 105 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC}, 106 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA}, 107 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP}, 108 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P}, 109 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P}, 110 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */ 111 }; 112 uint i; 113 114 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) { 115 if (__nl2wmi[i].nl == type) 116 return __nl2wmi[i].wmi; 117 } 118 119 return -EOPNOTSUPP; 120 } 121 122 int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid, 123 struct station_info *sinfo) 124 { 125 struct wmi_notify_req_cmd cmd = { 126 .cid = cid, 127 .interval_usec = 0, 128 }; 129 struct { 130 struct wmi_cmd_hdr wmi; 131 struct wmi_notify_req_done_event evt; 132 } __packed reply; 133 struct wil_net_stats *stats = &wil->sta[cid].stats; 134 int rc; 135 136 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd), 137 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20); 138 if (rc) 139 return rc; 140 141 wil_dbg_wmi(wil, "Link status for CID %d: {\n" 142 " MCS %d TSF 0x%016llx\n" 143 " BF status 0x%08x SNR 0x%08x SQI %d%%\n" 144 " Tx Tpt %d goodput %d Rx goodput %d\n" 145 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n", 146 cid, le16_to_cpu(reply.evt.bf_mcs), 147 le64_to_cpu(reply.evt.tsf), reply.evt.status, 148 le32_to_cpu(reply.evt.snr_val), 149 reply.evt.sqi, 150 le32_to_cpu(reply.evt.tx_tpt), 151 le32_to_cpu(reply.evt.tx_goodput), 152 le32_to_cpu(reply.evt.rx_goodput), 153 le16_to_cpu(reply.evt.my_rx_sector), 154 le16_to_cpu(reply.evt.my_tx_sector), 155 le16_to_cpu(reply.evt.other_rx_sector), 156 le16_to_cpu(reply.evt.other_tx_sector)); 157 158 sinfo->generation = wil->sinfo_gen; 159 160 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | 161 BIT(NL80211_STA_INFO_TX_BYTES) | 162 BIT(NL80211_STA_INFO_RX_PACKETS) | 163 BIT(NL80211_STA_INFO_TX_PACKETS) | 164 BIT(NL80211_STA_INFO_RX_BITRATE) | 165 BIT(NL80211_STA_INFO_TX_BITRATE) | 166 BIT(NL80211_STA_INFO_RX_DROP_MISC) | 167 BIT(NL80211_STA_INFO_TX_FAILED); 168 169 sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; 170 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); 171 sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; 172 sinfo->rxrate.mcs = stats->last_mcs_rx; 173 sinfo->rx_bytes = stats->rx_bytes; 174 sinfo->rx_packets = stats->rx_packets; 175 sinfo->rx_dropped_misc = stats->rx_dropped; 176 sinfo->tx_bytes = stats->tx_bytes; 177 sinfo->tx_packets = stats->tx_packets; 178 sinfo->tx_failed = stats->tx_errors; 179 180 if (test_bit(wil_status_fwconnected, wil->status)) { 181 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); 182 sinfo->signal = reply.evt.sqi; 183 } 184 185 return rc; 186 } 187 188 static int wil_cfg80211_get_station(struct wiphy *wiphy, 189 struct net_device *ndev, 190 const u8 *mac, struct station_info *sinfo) 191 { 192 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 193 int rc; 194 195 int cid = wil_find_cid(wil, mac); 196 197 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid); 198 if (cid < 0) 199 return cid; 200 201 rc = wil_cid_fill_sinfo(wil, cid, sinfo); 202 203 return rc; 204 } 205 206 /* 207 * Find @idx-th active STA for station dump. 208 */ 209 static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx) 210 { 211 int i; 212 213 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 214 if (wil->sta[i].status == wil_sta_unused) 215 continue; 216 if (idx == 0) 217 return i; 218 idx--; 219 } 220 221 return -ENOENT; 222 } 223 224 static int wil_cfg80211_dump_station(struct wiphy *wiphy, 225 struct net_device *dev, int idx, 226 u8 *mac, struct station_info *sinfo) 227 { 228 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 229 int rc; 230 int cid = wil_find_cid_by_idx(wil, idx); 231 232 if (cid < 0) 233 return -ENOENT; 234 235 ether_addr_copy(mac, wil->sta[cid].addr); 236 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid); 237 238 rc = wil_cid_fill_sinfo(wil, cid, sinfo); 239 240 return rc; 241 } 242 243 static struct wireless_dev * 244 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name, 245 unsigned char name_assign_type, 246 enum nl80211_iftype type, 247 u32 *flags, struct vif_params *params) 248 { 249 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 250 struct net_device *ndev = wil_to_ndev(wil); 251 struct wireless_dev *p2p_wdev; 252 253 wil_dbg_misc(wil, "%s()\n", __func__); 254 255 if (type != NL80211_IFTYPE_P2P_DEVICE) { 256 wil_err(wil, "%s: unsupported iftype %d\n", __func__, type); 257 return ERR_PTR(-EINVAL); 258 } 259 260 if (wil->p2p_wdev) { 261 wil_err(wil, "%s: P2P_DEVICE interface already created\n", 262 __func__); 263 return ERR_PTR(-EINVAL); 264 } 265 266 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL); 267 if (!p2p_wdev) 268 return ERR_PTR(-ENOMEM); 269 270 p2p_wdev->iftype = type; 271 p2p_wdev->wiphy = wiphy; 272 /* use our primary ethernet address */ 273 ether_addr_copy(p2p_wdev->address, ndev->perm_addr); 274 275 wil->p2p_wdev = p2p_wdev; 276 277 return p2p_wdev; 278 } 279 280 static int wil_cfg80211_del_iface(struct wiphy *wiphy, 281 struct wireless_dev *wdev) 282 { 283 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 284 285 wil_dbg_misc(wil, "%s()\n", __func__); 286 287 if (wdev != wil->p2p_wdev) { 288 wil_err(wil, "%s: delete of incorrect interface 0x%p\n", 289 __func__, wdev); 290 return -EINVAL; 291 } 292 293 wil_p2p_wdev_free(wil); 294 295 return 0; 296 } 297 298 static int wil_cfg80211_change_iface(struct wiphy *wiphy, 299 struct net_device *ndev, 300 enum nl80211_iftype type, u32 *flags, 301 struct vif_params *params) 302 { 303 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 304 struct wireless_dev *wdev = wil_to_wdev(wil); 305 int rc; 306 307 wil_dbg_misc(wil, "%s() type=%d\n", __func__, type); 308 309 if (netif_running(wil_to_ndev(wil)) && !wil_is_recovery_blocked(wil)) { 310 wil_dbg_misc(wil, "interface is up. resetting...\n"); 311 mutex_lock(&wil->mutex); 312 __wil_down(wil); 313 rc = __wil_up(wil); 314 mutex_unlock(&wil->mutex); 315 316 if (rc) 317 return rc; 318 } 319 320 switch (type) { 321 case NL80211_IFTYPE_STATION: 322 case NL80211_IFTYPE_AP: 323 case NL80211_IFTYPE_P2P_CLIENT: 324 case NL80211_IFTYPE_P2P_GO: 325 break; 326 case NL80211_IFTYPE_MONITOR: 327 if (flags) 328 wil->monitor_flags = *flags; 329 else 330 wil->monitor_flags = 0; 331 332 break; 333 default: 334 return -EOPNOTSUPP; 335 } 336 337 wdev->iftype = type; 338 339 return 0; 340 } 341 342 static int wil_cfg80211_scan(struct wiphy *wiphy, 343 struct cfg80211_scan_request *request) 344 { 345 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 346 struct wireless_dev *wdev = request->wdev; 347 struct { 348 struct wmi_start_scan_cmd cmd; 349 u16 chnl[4]; 350 } __packed cmd; 351 uint i, n; 352 int rc; 353 354 wil_dbg_misc(wil, "%s(), wdev=0x%p iftype=%d\n", 355 __func__, wdev, wdev->iftype); 356 357 mutex_lock(&wil->p2p_wdev_mutex); 358 if (wil->scan_request) { 359 wil_err(wil, "Already scanning\n"); 360 mutex_unlock(&wil->p2p_wdev_mutex); 361 return -EAGAIN; 362 } 363 mutex_unlock(&wil->p2p_wdev_mutex); 364 365 /* check we are client side */ 366 switch (wdev->iftype) { 367 case NL80211_IFTYPE_STATION: 368 case NL80211_IFTYPE_P2P_CLIENT: 369 case NL80211_IFTYPE_P2P_DEVICE: 370 break; 371 default: 372 return -EOPNOTSUPP; 373 } 374 375 /* FW don't support scan after connection attempt */ 376 if (test_bit(wil_status_dontscan, wil->status)) { 377 wil_err(wil, "Can't scan now\n"); 378 return -EBUSY; 379 } 380 381 /* social scan on P2P_DEVICE is handled as p2p search */ 382 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE && 383 wil_p2p_is_social_scan(request)) { 384 if (!wil->p2p.p2p_dev_started) { 385 wil_err(wil, "P2P search requested on stopped P2P device\n"); 386 return -EIO; 387 } 388 wil->scan_request = request; 389 wil->radio_wdev = wdev; 390 rc = wil_p2p_search(wil, request); 391 if (rc) { 392 wil->radio_wdev = wil_to_wdev(wil); 393 wil->scan_request = NULL; 394 } 395 return rc; 396 } 397 398 (void)wil_p2p_stop_discovery(wil); 399 400 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); 401 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); 402 403 for (i = 0; i < request->n_ssids; i++) { 404 wil_dbg_misc(wil, "SSID[%d]", i); 405 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, 406 request->ssids[i].ssid, 407 request->ssids[i].ssid_len); 408 } 409 410 if (request->n_ssids) 411 rc = wmi_set_ssid(wil, request->ssids[0].ssid_len, 412 request->ssids[0].ssid); 413 else 414 rc = wmi_set_ssid(wil, 0, NULL); 415 416 if (rc) { 417 wil_err(wil, "set SSID for scan request failed: %d\n", rc); 418 return rc; 419 } 420 421 wil->scan_request = request; 422 mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); 423 424 memset(&cmd, 0, sizeof(cmd)); 425 cmd.cmd.scan_type = WMI_ACTIVE_SCAN; 426 cmd.cmd.num_channels = 0; 427 n = min(request->n_channels, 4U); 428 for (i = 0; i < n; i++) { 429 int ch = request->channels[i]->hw_value; 430 431 if (ch == 0) { 432 wil_err(wil, 433 "Scan requested for unknown frequency %dMhz\n", 434 request->channels[i]->center_freq); 435 continue; 436 } 437 /* 0-based channel indexes */ 438 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; 439 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, 440 request->channels[i]->center_freq); 441 } 442 443 if (request->ie_len) 444 print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET, 445 request->ie, request->ie_len); 446 else 447 wil_dbg_misc(wil, "Scan has no IE's\n"); 448 449 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); 450 if (rc) 451 goto out; 452 453 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { 454 cmd.cmd.discovery_mode = 1; 455 wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); 456 } 457 458 wil->radio_wdev = wdev; 459 rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + 460 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); 461 462 out: 463 if (rc) { 464 del_timer_sync(&wil->scan_timer); 465 wil->radio_wdev = wil_to_wdev(wil); 466 wil->scan_request = NULL; 467 } 468 469 return rc; 470 } 471 472 static void wil_print_crypto(struct wil6210_priv *wil, 473 struct cfg80211_crypto_settings *c) 474 { 475 int i, n; 476 477 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", 478 c->wpa_versions, c->cipher_group); 479 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); 480 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); 481 for (i = 0; i < n; i++) 482 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 483 c->ciphers_pairwise[i]); 484 wil_dbg_misc(wil, "}\n"); 485 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); 486 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); 487 for (i = 0; i < n; i++) 488 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 489 c->akm_suites[i]); 490 wil_dbg_misc(wil, "}\n"); 491 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", 492 c->control_port, be16_to_cpu(c->control_port_ethertype), 493 c->control_port_no_encrypt); 494 } 495 496 static void wil_print_connect_params(struct wil6210_priv *wil, 497 struct cfg80211_connect_params *sme) 498 { 499 wil_info(wil, "Connecting to:\n"); 500 if (sme->channel) { 501 wil_info(wil, " Channel: %d freq %d\n", 502 sme->channel->hw_value, sme->channel->center_freq); 503 } 504 if (sme->bssid) 505 wil_info(wil, " BSSID: %pM\n", sme->bssid); 506 if (sme->ssid) 507 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 508 16, 1, sme->ssid, sme->ssid_len, true); 509 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); 510 wil_info(wil, " PBSS: %d\n", sme->pbss); 511 wil_print_crypto(wil, &sme->crypto); 512 } 513 514 static int wil_cfg80211_connect(struct wiphy *wiphy, 515 struct net_device *ndev, 516 struct cfg80211_connect_params *sme) 517 { 518 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 519 struct cfg80211_bss *bss; 520 struct wmi_connect_cmd conn; 521 const u8 *ssid_eid; 522 const u8 *rsn_eid; 523 int ch; 524 int rc = 0; 525 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; 526 527 wil_dbg_misc(wil, "%s()\n", __func__); 528 wil_print_connect_params(wil, sme); 529 530 if (test_bit(wil_status_fwconnecting, wil->status) || 531 test_bit(wil_status_fwconnected, wil->status)) 532 return -EALREADY; 533 534 if (sme->ie_len > WMI_MAX_IE_LEN) { 535 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); 536 return -ERANGE; 537 } 538 539 rsn_eid = sme->ie ? 540 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : 541 NULL; 542 if (sme->privacy && !rsn_eid) 543 wil_info(wil, "WSC connection\n"); 544 545 if (sme->pbss) 546 bss_type = IEEE80211_BSS_TYPE_PBSS; 547 548 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, 549 sme->ssid, sme->ssid_len, 550 bss_type, IEEE80211_PRIVACY_ANY); 551 if (!bss) { 552 wil_err(wil, "Unable to find BSS\n"); 553 return -ENOENT; 554 } 555 556 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); 557 if (!ssid_eid) { 558 wil_err(wil, "No SSID\n"); 559 rc = -ENOENT; 560 goto out; 561 } 562 wil->privacy = sme->privacy; 563 564 if (wil->privacy) { 565 /* For secure assoc, remove old keys */ 566 rc = wmi_del_cipher_key(wil, 0, bss->bssid, 567 WMI_KEY_USE_PAIRWISE); 568 if (rc) { 569 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); 570 goto out; 571 } 572 rc = wmi_del_cipher_key(wil, 0, bss->bssid, 573 WMI_KEY_USE_RX_GROUP); 574 if (rc) { 575 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); 576 goto out; 577 } 578 } 579 580 /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info 581 * elements. Send it also in case it's empty, to erase previously set 582 * ies in FW. 583 */ 584 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); 585 if (rc) 586 goto out; 587 588 /* WMI_CONNECT_CMD */ 589 memset(&conn, 0, sizeof(conn)); 590 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { 591 case WLAN_CAPABILITY_DMG_TYPE_AP: 592 conn.network_type = WMI_NETTYPE_INFRA; 593 break; 594 case WLAN_CAPABILITY_DMG_TYPE_PBSS: 595 conn.network_type = WMI_NETTYPE_P2P; 596 break; 597 default: 598 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", 599 bss->capability); 600 goto out; 601 } 602 if (wil->privacy) { 603 if (rsn_eid) { /* regular secure connection */ 604 conn.dot11_auth_mode = WMI_AUTH11_SHARED; 605 conn.auth_mode = WMI_AUTH_WPA2_PSK; 606 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; 607 conn.pairwise_crypto_len = 16; 608 conn.group_crypto_type = WMI_CRYPT_AES_GCMP; 609 conn.group_crypto_len = 16; 610 } else { /* WSC */ 611 conn.dot11_auth_mode = WMI_AUTH11_WSC; 612 conn.auth_mode = WMI_AUTH_NONE; 613 } 614 } else { /* insecure connection */ 615 conn.dot11_auth_mode = WMI_AUTH11_OPEN; 616 conn.auth_mode = WMI_AUTH_NONE; 617 } 618 619 conn.ssid_len = min_t(u8, ssid_eid[1], 32); 620 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); 621 622 ch = bss->channel->hw_value; 623 if (ch == 0) { 624 wil_err(wil, "BSS at unknown frequency %dMhz\n", 625 bss->channel->center_freq); 626 rc = -EOPNOTSUPP; 627 goto out; 628 } 629 conn.channel = ch - 1; 630 631 ether_addr_copy(conn.bssid, bss->bssid); 632 ether_addr_copy(conn.dst_mac, bss->bssid); 633 634 set_bit(wil_status_fwconnecting, wil->status); 635 636 rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); 637 if (rc == 0) { 638 netif_carrier_on(ndev); 639 /* Connect can take lots of time */ 640 mod_timer(&wil->connect_timer, 641 jiffies + msecs_to_jiffies(2000)); 642 } else { 643 clear_bit(wil_status_fwconnecting, wil->status); 644 } 645 646 out: 647 cfg80211_put_bss(wiphy, bss); 648 649 return rc; 650 } 651 652 static int wil_cfg80211_disconnect(struct wiphy *wiphy, 653 struct net_device *ndev, 654 u16 reason_code) 655 { 656 int rc; 657 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 658 659 wil_dbg_misc(wil, "%s(reason=%d)\n", __func__, reason_code); 660 661 if (!(test_bit(wil_status_fwconnecting, wil->status) || 662 test_bit(wil_status_fwconnected, wil->status))) { 663 wil_err(wil, "%s: Disconnect was called while disconnected\n", 664 __func__); 665 return 0; 666 } 667 668 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0, 669 WMI_DISCONNECT_EVENTID, NULL, 0, 670 WIL6210_DISCONNECT_TO_MS); 671 if (rc) 672 wil_err(wil, "%s: disconnect error %d\n", __func__, rc); 673 674 return rc; 675 } 676 677 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 678 struct cfg80211_mgmt_tx_params *params, 679 u64 *cookie) 680 { 681 const u8 *buf = params->buf; 682 size_t len = params->len; 683 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 684 int rc; 685 bool tx_status = false; 686 struct ieee80211_mgmt *mgmt_frame = (void *)buf; 687 struct wmi_sw_tx_req_cmd *cmd; 688 struct { 689 struct wmi_cmd_hdr wmi; 690 struct wmi_sw_tx_complete_event evt; 691 } __packed evt; 692 693 /* Note, currently we do not support the "wait" parameter, user-space 694 * must call remain_on_channel before mgmt_tx or listen on a channel 695 * another way (AP/PCP or connected station) 696 * in addition we need to check if specified "chan" argument is 697 * different from currently "listened" channel and fail if it is. 698 */ 699 700 wil_dbg_misc(wil, "%s()\n", __func__); 701 print_hex_dump_bytes("mgmt tx frame ", DUMP_PREFIX_OFFSET, buf, len); 702 703 cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL); 704 if (!cmd) { 705 rc = -ENOMEM; 706 goto out; 707 } 708 709 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); 710 cmd->len = cpu_to_le16(len); 711 memcpy(cmd->payload, buf, len); 712 713 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len, 714 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); 715 if (rc == 0) 716 tx_status = !evt.evt.status; 717 718 kfree(cmd); 719 out: 720 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, 721 tx_status, GFP_KERNEL); 722 return rc; 723 } 724 725 static int wil_cfg80211_set_channel(struct wiphy *wiphy, 726 struct cfg80211_chan_def *chandef) 727 { 728 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 729 struct wireless_dev *wdev = wil_to_wdev(wil); 730 731 wdev->preset_chandef = *chandef; 732 733 return 0; 734 } 735 736 static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil, 737 bool pairwise) 738 { 739 struct wireless_dev *wdev = wil_to_wdev(wil); 740 enum wmi_key_usage rc; 741 742 if (pairwise) { 743 rc = WMI_KEY_USE_PAIRWISE; 744 } else { 745 switch (wdev->iftype) { 746 case NL80211_IFTYPE_STATION: 747 case NL80211_IFTYPE_P2P_CLIENT: 748 rc = WMI_KEY_USE_RX_GROUP; 749 break; 750 case NL80211_IFTYPE_AP: 751 case NL80211_IFTYPE_P2P_GO: 752 rc = WMI_KEY_USE_TX_GROUP; 753 break; 754 default: 755 /* TODO: Rx GTK or Tx GTK? */ 756 wil_err(wil, "Can't determine GTK type\n"); 757 rc = WMI_KEY_USE_RX_GROUP; 758 break; 759 } 760 } 761 wil_dbg_misc(wil, "%s() -> %s\n", __func__, key_usage_str[rc]); 762 763 return rc; 764 } 765 766 static struct wil_sta_info * 767 wil_find_sta_by_key_usage(struct wil6210_priv *wil, 768 enum wmi_key_usage key_usage, const u8 *mac_addr) 769 { 770 int cid = -EINVAL; 771 772 if (key_usage == WMI_KEY_USE_TX_GROUP) 773 return NULL; /* not needed */ 774 775 /* supplicant provides Rx group key in STA mode with NULL MAC address */ 776 if (mac_addr) 777 cid = wil_find_cid(wil, mac_addr); 778 else if (key_usage == WMI_KEY_USE_RX_GROUP) 779 cid = wil_find_cid_by_idx(wil, 0); 780 if (cid < 0) { 781 wil_err(wil, "No CID for %pM %s\n", mac_addr, 782 key_usage_str[key_usage]); 783 return ERR_PTR(cid); 784 } 785 786 return &wil->sta[cid]; 787 } 788 789 static void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, 790 struct wil_sta_info *cs, 791 struct key_params *params) 792 { 793 struct wil_tid_crypto_rx_single *cc; 794 int tid; 795 796 if (!cs) 797 return; 798 799 switch (key_usage) { 800 case WMI_KEY_USE_PAIRWISE: 801 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 802 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 803 if (params->seq) 804 memcpy(cc->pn, params->seq, 805 IEEE80211_GCMP_PN_LEN); 806 else 807 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 808 cc->key_set = true; 809 } 810 break; 811 case WMI_KEY_USE_RX_GROUP: 812 cc = &cs->group_crypto_rx.key_id[key_index]; 813 if (params->seq) 814 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); 815 else 816 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 817 cc->key_set = true; 818 break; 819 default: 820 break; 821 } 822 } 823 824 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, 825 struct wil_sta_info *cs) 826 { 827 struct wil_tid_crypto_rx_single *cc; 828 int tid; 829 830 if (!cs) 831 return; 832 833 switch (key_usage) { 834 case WMI_KEY_USE_PAIRWISE: 835 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 836 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 837 cc->key_set = false; 838 } 839 break; 840 case WMI_KEY_USE_RX_GROUP: 841 cc = &cs->group_crypto_rx.key_id[key_index]; 842 cc->key_set = false; 843 break; 844 default: 845 break; 846 } 847 } 848 849 static int wil_cfg80211_add_key(struct wiphy *wiphy, 850 struct net_device *ndev, 851 u8 key_index, bool pairwise, 852 const u8 *mac_addr, 853 struct key_params *params) 854 { 855 int rc; 856 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 857 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); 858 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, 859 mac_addr); 860 861 if (!params) { 862 wil_err(wil, "NULL params\n"); 863 return -EINVAL; 864 } 865 866 wil_dbg_misc(wil, "%s(%pM %s[%d] PN %*phN)\n", __func__, 867 mac_addr, key_usage_str[key_usage], key_index, 868 params->seq_len, params->seq); 869 870 if (IS_ERR(cs)) { 871 wil_err(wil, "Not connected, %s(%pM %s[%d] PN %*phN)\n", 872 __func__, mac_addr, key_usage_str[key_usage], key_index, 873 params->seq_len, params->seq); 874 return -EINVAL; 875 } 876 877 wil_del_rx_key(key_index, key_usage, cs); 878 879 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { 880 wil_err(wil, 881 "Wrong PN len %d, %s(%pM %s[%d] PN %*phN)\n", 882 params->seq_len, __func__, mac_addr, 883 key_usage_str[key_usage], key_index, 884 params->seq_len, params->seq); 885 return -EINVAL; 886 } 887 888 rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len, 889 params->key, key_usage); 890 if (!rc) 891 wil_set_crypto_rx(key_index, key_usage, cs, params); 892 893 return rc; 894 } 895 896 static int wil_cfg80211_del_key(struct wiphy *wiphy, 897 struct net_device *ndev, 898 u8 key_index, bool pairwise, 899 const u8 *mac_addr) 900 { 901 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 902 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); 903 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, 904 mac_addr); 905 906 wil_dbg_misc(wil, "%s(%pM %s[%d])\n", __func__, mac_addr, 907 key_usage_str[key_usage], key_index); 908 909 if (IS_ERR(cs)) 910 wil_info(wil, "Not connected, %s(%pM %s[%d])\n", __func__, 911 mac_addr, key_usage_str[key_usage], key_index); 912 913 if (!IS_ERR_OR_NULL(cs)) 914 wil_del_rx_key(key_index, key_usage, cs); 915 916 return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage); 917 } 918 919 /* Need to be present or wiphy_new() will WARN */ 920 static int wil_cfg80211_set_default_key(struct wiphy *wiphy, 921 struct net_device *ndev, 922 u8 key_index, bool unicast, 923 bool multicast) 924 { 925 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 926 927 wil_dbg_misc(wil, "%s: entered\n", __func__); 928 return 0; 929 } 930 931 static int wil_remain_on_channel(struct wiphy *wiphy, 932 struct wireless_dev *wdev, 933 struct ieee80211_channel *chan, 934 unsigned int duration, 935 u64 *cookie) 936 { 937 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 938 int rc; 939 940 wil_dbg_misc(wil, "%s() center_freq=%d, duration=%d iftype=%d\n", 941 __func__, chan->center_freq, duration, wdev->iftype); 942 943 rc = wil_p2p_listen(wil, duration, chan, cookie); 944 if (rc) 945 return rc; 946 947 wil->radio_wdev = wdev; 948 949 cfg80211_ready_on_channel(wdev, *cookie, chan, duration, 950 GFP_KERNEL); 951 952 return 0; 953 } 954 955 static int wil_cancel_remain_on_channel(struct wiphy *wiphy, 956 struct wireless_dev *wdev, 957 u64 cookie) 958 { 959 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 960 961 wil_dbg_misc(wil, "%s()\n", __func__); 962 963 return wil_p2p_cancel_listen(wil, cookie); 964 } 965 966 /** 967 * find a specific IE in a list of IEs 968 * return a pointer to the beginning of IE in the list 969 * or NULL if not found 970 */ 971 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, 972 u16 ie_len) 973 { 974 struct ieee80211_vendor_ie *vie; 975 u32 oui; 976 977 /* IE tag at offset 0, length at offset 1 */ 978 if (ie_len < 2 || 2 + ie[1] > ie_len) 979 return NULL; 980 981 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) 982 return cfg80211_find_ie(ie[0], ies, ies_len); 983 984 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ 985 if (ie[1] < 4) 986 return NULL; 987 vie = (struct ieee80211_vendor_ie *)ie; 988 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; 989 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, 990 ies_len); 991 } 992 993 /** 994 * merge the IEs in two lists into a single list. 995 * do not include IEs from the second list which exist in the first list. 996 * add only vendor specific IEs from second list to keep 997 * the merged list sorted (since vendor-specific IE has the 998 * highest tag number) 999 * caller must free the allocated memory for merged IEs 1000 */ 1001 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, 1002 const u8 *ies2, u16 ies2_len, 1003 u8 **merged_ies, u16 *merged_len) 1004 { 1005 u8 *buf, *dpos; 1006 const u8 *spos; 1007 1008 if (ies1_len == 0 && ies2_len == 0) { 1009 *merged_ies = NULL; 1010 *merged_len = 0; 1011 return 0; 1012 } 1013 1014 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); 1015 if (!buf) 1016 return -ENOMEM; 1017 memcpy(buf, ies1, ies1_len); 1018 dpos = buf + ies1_len; 1019 spos = ies2; 1020 while (spos + 1 < ies2 + ies2_len) { 1021 /* IE tag at offset 0, length at offset 1 */ 1022 u16 ielen = 2 + spos[1]; 1023 1024 if (spos + ielen > ies2 + ies2_len) 1025 break; 1026 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && 1027 !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) { 1028 memcpy(dpos, spos, ielen); 1029 dpos += ielen; 1030 } 1031 spos += ielen; 1032 } 1033 1034 *merged_ies = buf; 1035 *merged_len = dpos - buf; 1036 return 0; 1037 } 1038 1039 static void wil_print_bcon_data(struct cfg80211_beacon_data *b) 1040 { 1041 print_hex_dump_bytes("head ", DUMP_PREFIX_OFFSET, 1042 b->head, b->head_len); 1043 print_hex_dump_bytes("tail ", DUMP_PREFIX_OFFSET, 1044 b->tail, b->tail_len); 1045 print_hex_dump_bytes("BCON IE ", DUMP_PREFIX_OFFSET, 1046 b->beacon_ies, b->beacon_ies_len); 1047 print_hex_dump_bytes("PROBE ", DUMP_PREFIX_OFFSET, 1048 b->probe_resp, b->probe_resp_len); 1049 print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET, 1050 b->proberesp_ies, b->proberesp_ies_len); 1051 print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET, 1052 b->assocresp_ies, b->assocresp_ies_len); 1053 } 1054 1055 /* internal functions for device reset and starting AP */ 1056 static int _wil_cfg80211_set_ies(struct wiphy *wiphy, 1057 struct cfg80211_beacon_data *bcon) 1058 { 1059 int rc; 1060 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1061 u16 len = 0, proberesp_len = 0; 1062 u8 *ies = NULL, *proberesp = NULL; 1063 1064 if (bcon->probe_resp) { 1065 struct ieee80211_mgmt *f = 1066 (struct ieee80211_mgmt *)bcon->probe_resp; 1067 size_t hlen = offsetof(struct ieee80211_mgmt, 1068 u.probe_resp.variable); 1069 proberesp = f->u.probe_resp.variable; 1070 proberesp_len = bcon->probe_resp_len - hlen; 1071 } 1072 rc = _wil_cfg80211_merge_extra_ies(proberesp, 1073 proberesp_len, 1074 bcon->proberesp_ies, 1075 bcon->proberesp_ies_len, 1076 &ies, &len); 1077 1078 if (rc) 1079 goto out; 1080 1081 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies); 1082 if (rc) 1083 goto out; 1084 1085 if (bcon->assocresp_ies) 1086 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, 1087 bcon->assocresp_ies_len, bcon->assocresp_ies); 1088 else 1089 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies); 1090 #if 0 /* to use beacon IE's, remove this #if 0 */ 1091 if (rc) 1092 goto out; 1093 1094 rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail); 1095 #endif 1096 out: 1097 kfree(ies); 1098 return rc; 1099 } 1100 1101 static int _wil_cfg80211_start_ap(struct wiphy *wiphy, 1102 struct net_device *ndev, 1103 const u8 *ssid, size_t ssid_len, u32 privacy, 1104 int bi, u8 chan, 1105 struct cfg80211_beacon_data *bcon, 1106 u8 hidden_ssid, u32 pbss) 1107 { 1108 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1109 int rc; 1110 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1111 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); 1112 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); 1113 1114 if (pbss) 1115 wmi_nettype = WMI_NETTYPE_P2P; 1116 1117 wil_dbg_misc(wil, "%s: is_go=%d\n", __func__, is_go); 1118 if (is_go && !pbss) { 1119 wil_err(wil, "%s: P2P GO must be in PBSS\n", __func__); 1120 return -ENOTSUPP; 1121 } 1122 1123 wil_set_recovery_state(wil, fw_recovery_idle); 1124 1125 mutex_lock(&wil->mutex); 1126 1127 __wil_down(wil); 1128 rc = __wil_up(wil); 1129 if (rc) 1130 goto out; 1131 1132 rc = wmi_set_ssid(wil, ssid_len, ssid); 1133 if (rc) 1134 goto out; 1135 1136 rc = _wil_cfg80211_set_ies(wiphy, bcon); 1137 if (rc) 1138 goto out; 1139 1140 wil->privacy = privacy; 1141 wil->channel = chan; 1142 wil->hidden_ssid = hidden_ssid; 1143 wil->pbss = pbss; 1144 1145 netif_carrier_on(ndev); 1146 1147 rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid, is_go); 1148 if (rc) 1149 goto err_pcp_start; 1150 1151 rc = wil_bcast_init(wil); 1152 if (rc) 1153 goto err_bcast; 1154 1155 goto out; /* success */ 1156 1157 err_bcast: 1158 wmi_pcp_stop(wil); 1159 err_pcp_start: 1160 netif_carrier_off(ndev); 1161 out: 1162 mutex_unlock(&wil->mutex); 1163 return rc; 1164 } 1165 1166 static int wil_cfg80211_change_beacon(struct wiphy *wiphy, 1167 struct net_device *ndev, 1168 struct cfg80211_beacon_data *bcon) 1169 { 1170 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1171 int rc; 1172 u32 privacy = 0; 1173 1174 wil_dbg_misc(wil, "%s()\n", __func__); 1175 wil_print_bcon_data(bcon); 1176 1177 if (bcon->tail && 1178 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, 1179 bcon->tail_len)) 1180 privacy = 1; 1181 1182 /* in case privacy has changed, need to restart the AP */ 1183 if (wil->privacy != privacy) { 1184 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1185 1186 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", 1187 wil->privacy, privacy); 1188 1189 rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid, 1190 wdev->ssid_len, privacy, 1191 wdev->beacon_interval, 1192 wil->channel, bcon, 1193 wil->hidden_ssid, 1194 wil->pbss); 1195 } else { 1196 rc = _wil_cfg80211_set_ies(wiphy, bcon); 1197 } 1198 1199 return rc; 1200 } 1201 1202 static int wil_cfg80211_start_ap(struct wiphy *wiphy, 1203 struct net_device *ndev, 1204 struct cfg80211_ap_settings *info) 1205 { 1206 int rc; 1207 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1208 struct ieee80211_channel *channel = info->chandef.chan; 1209 struct cfg80211_beacon_data *bcon = &info->beacon; 1210 struct cfg80211_crypto_settings *crypto = &info->crypto; 1211 u8 hidden_ssid; 1212 1213 wil_dbg_misc(wil, "%s()\n", __func__); 1214 1215 if (!channel) { 1216 wil_err(wil, "AP: No channel???\n"); 1217 return -EINVAL; 1218 } 1219 1220 switch (info->hidden_ssid) { 1221 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1222 hidden_ssid = WMI_HIDDEN_SSID_DISABLED; 1223 break; 1224 1225 case NL80211_HIDDEN_SSID_ZERO_LEN: 1226 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; 1227 break; 1228 1229 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1230 hidden_ssid = WMI_HIDDEN_SSID_CLEAR; 1231 break; 1232 1233 default: 1234 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); 1235 return -EOPNOTSUPP; 1236 } 1237 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, 1238 channel->center_freq, info->privacy ? "secure" : "open"); 1239 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", 1240 info->privacy, info->auth_type); 1241 wil_dbg_misc(wil, "Hidden SSID mode: %d\n", 1242 info->hidden_ssid); 1243 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, 1244 info->dtim_period); 1245 wil_dbg_misc(wil, "PBSS %d\n", info->pbss); 1246 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, 1247 info->ssid, info->ssid_len); 1248 wil_print_bcon_data(bcon); 1249 wil_print_crypto(wil, crypto); 1250 1251 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1252 info->ssid, info->ssid_len, info->privacy, 1253 info->beacon_interval, channel->hw_value, 1254 bcon, hidden_ssid, info->pbss); 1255 1256 return rc; 1257 } 1258 1259 static int wil_cfg80211_stop_ap(struct wiphy *wiphy, 1260 struct net_device *ndev) 1261 { 1262 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1263 1264 wil_dbg_misc(wil, "%s()\n", __func__); 1265 1266 netif_carrier_off(ndev); 1267 wil_set_recovery_state(wil, fw_recovery_idle); 1268 1269 mutex_lock(&wil->mutex); 1270 1271 wmi_pcp_stop(wil); 1272 1273 __wil_down(wil); 1274 1275 mutex_unlock(&wil->mutex); 1276 1277 return 0; 1278 } 1279 1280 static int wil_cfg80211_del_station(struct wiphy *wiphy, 1281 struct net_device *dev, 1282 struct station_del_parameters *params) 1283 { 1284 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1285 1286 wil_dbg_misc(wil, "%s(%pM, reason=%d)\n", __func__, params->mac, 1287 params->reason_code); 1288 1289 mutex_lock(&wil->mutex); 1290 wil6210_disconnect(wil, params->mac, params->reason_code, false); 1291 mutex_unlock(&wil->mutex); 1292 1293 return 0; 1294 } 1295 1296 /* probe_client handling */ 1297 static void wil_probe_client_handle(struct wil6210_priv *wil, 1298 struct wil_probe_client_req *req) 1299 { 1300 struct net_device *ndev = wil_to_ndev(wil); 1301 struct wil_sta_info *sta = &wil->sta[req->cid]; 1302 /* assume STA is alive if it is still connected, 1303 * else FW will disconnect it 1304 */ 1305 bool alive = (sta->status == wil_sta_connected); 1306 1307 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL); 1308 } 1309 1310 static struct list_head *next_probe_client(struct wil6210_priv *wil) 1311 { 1312 struct list_head *ret = NULL; 1313 1314 mutex_lock(&wil->probe_client_mutex); 1315 1316 if (!list_empty(&wil->probe_client_pending)) { 1317 ret = wil->probe_client_pending.next; 1318 list_del(ret); 1319 } 1320 1321 mutex_unlock(&wil->probe_client_mutex); 1322 1323 return ret; 1324 } 1325 1326 void wil_probe_client_worker(struct work_struct *work) 1327 { 1328 struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 1329 probe_client_worker); 1330 struct wil_probe_client_req *req; 1331 struct list_head *lh; 1332 1333 while ((lh = next_probe_client(wil)) != NULL) { 1334 req = list_entry(lh, struct wil_probe_client_req, list); 1335 1336 wil_probe_client_handle(wil, req); 1337 kfree(req); 1338 } 1339 } 1340 1341 void wil_probe_client_flush(struct wil6210_priv *wil) 1342 { 1343 struct wil_probe_client_req *req, *t; 1344 1345 wil_dbg_misc(wil, "%s()\n", __func__); 1346 1347 mutex_lock(&wil->probe_client_mutex); 1348 1349 list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) { 1350 list_del(&req->list); 1351 kfree(req); 1352 } 1353 1354 mutex_unlock(&wil->probe_client_mutex); 1355 } 1356 1357 static int wil_cfg80211_probe_client(struct wiphy *wiphy, 1358 struct net_device *dev, 1359 const u8 *peer, u64 *cookie) 1360 { 1361 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1362 struct wil_probe_client_req *req; 1363 int cid = wil_find_cid(wil, peer); 1364 1365 wil_dbg_misc(wil, "%s(%pM => CID %d)\n", __func__, peer, cid); 1366 1367 if (cid < 0) 1368 return -ENOLINK; 1369 1370 req = kzalloc(sizeof(*req), GFP_KERNEL); 1371 if (!req) 1372 return -ENOMEM; 1373 1374 req->cid = cid; 1375 req->cookie = cid; 1376 1377 mutex_lock(&wil->probe_client_mutex); 1378 list_add_tail(&req->list, &wil->probe_client_pending); 1379 mutex_unlock(&wil->probe_client_mutex); 1380 1381 *cookie = req->cookie; 1382 queue_work(wil->wq_service, &wil->probe_client_worker); 1383 return 0; 1384 } 1385 1386 static int wil_cfg80211_change_bss(struct wiphy *wiphy, 1387 struct net_device *dev, 1388 struct bss_parameters *params) 1389 { 1390 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1391 1392 if (params->ap_isolate >= 0) { 1393 wil_dbg_misc(wil, "%s(ap_isolate %d => %d)\n", __func__, 1394 wil->ap_isolate, params->ap_isolate); 1395 wil->ap_isolate = params->ap_isolate; 1396 } 1397 1398 return 0; 1399 } 1400 1401 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy, 1402 struct wireless_dev *wdev) 1403 { 1404 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1405 1406 wil_dbg_misc(wil, "%s: entered\n", __func__); 1407 wil->p2p.p2p_dev_started = 1; 1408 return 0; 1409 } 1410 1411 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy, 1412 struct wireless_dev *wdev) 1413 { 1414 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1415 struct wil_p2p_info *p2p = &wil->p2p; 1416 1417 if (!p2p->p2p_dev_started) 1418 return; 1419 1420 wil_dbg_misc(wil, "%s: entered\n", __func__); 1421 mutex_lock(&wil->mutex); 1422 wil_p2p_stop_radio_operations(wil); 1423 p2p->p2p_dev_started = 0; 1424 mutex_unlock(&wil->mutex); 1425 } 1426 1427 static struct cfg80211_ops wil_cfg80211_ops = { 1428 .add_virtual_intf = wil_cfg80211_add_iface, 1429 .del_virtual_intf = wil_cfg80211_del_iface, 1430 .scan = wil_cfg80211_scan, 1431 .connect = wil_cfg80211_connect, 1432 .disconnect = wil_cfg80211_disconnect, 1433 .change_virtual_intf = wil_cfg80211_change_iface, 1434 .get_station = wil_cfg80211_get_station, 1435 .dump_station = wil_cfg80211_dump_station, 1436 .remain_on_channel = wil_remain_on_channel, 1437 .cancel_remain_on_channel = wil_cancel_remain_on_channel, 1438 .mgmt_tx = wil_cfg80211_mgmt_tx, 1439 .set_monitor_channel = wil_cfg80211_set_channel, 1440 .add_key = wil_cfg80211_add_key, 1441 .del_key = wil_cfg80211_del_key, 1442 .set_default_key = wil_cfg80211_set_default_key, 1443 /* AP mode */ 1444 .change_beacon = wil_cfg80211_change_beacon, 1445 .start_ap = wil_cfg80211_start_ap, 1446 .stop_ap = wil_cfg80211_stop_ap, 1447 .del_station = wil_cfg80211_del_station, 1448 .probe_client = wil_cfg80211_probe_client, 1449 .change_bss = wil_cfg80211_change_bss, 1450 /* P2P device */ 1451 .start_p2p_device = wil_cfg80211_start_p2p_device, 1452 .stop_p2p_device = wil_cfg80211_stop_p2p_device, 1453 }; 1454 1455 static void wil_wiphy_init(struct wiphy *wiphy) 1456 { 1457 wiphy->max_scan_ssids = 1; 1458 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 1459 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; 1460 wiphy->max_num_pmkids = 0 /* TODO: */; 1461 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 1462 BIT(NL80211_IFTYPE_AP) | 1463 BIT(NL80211_IFTYPE_P2P_CLIENT) | 1464 BIT(NL80211_IFTYPE_P2P_GO) | 1465 BIT(NL80211_IFTYPE_P2P_DEVICE) | 1466 BIT(NL80211_IFTYPE_MONITOR); 1467 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 1468 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 1469 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 1470 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", 1471 __func__, wiphy->flags); 1472 wiphy->probe_resp_offload = 1473 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 1474 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 1475 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 1476 1477 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; 1478 1479 /* TODO: figure this out */ 1480 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 1481 1482 wiphy->cipher_suites = wil_cipher_suites; 1483 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); 1484 wiphy->mgmt_stypes = wil_mgmt_stypes; 1485 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 1486 } 1487 1488 struct wireless_dev *wil_cfg80211_init(struct device *dev) 1489 { 1490 int rc = 0; 1491 struct wireless_dev *wdev; 1492 1493 dev_dbg(dev, "%s()\n", __func__); 1494 1495 wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); 1496 if (!wdev) 1497 return ERR_PTR(-ENOMEM); 1498 1499 wdev->wiphy = wiphy_new(&wil_cfg80211_ops, 1500 sizeof(struct wil6210_priv)); 1501 if (!wdev->wiphy) { 1502 rc = -ENOMEM; 1503 goto out; 1504 } 1505 1506 set_wiphy_dev(wdev->wiphy, dev); 1507 wil_wiphy_init(wdev->wiphy); 1508 1509 return wdev; 1510 1511 out: 1512 kfree(wdev); 1513 1514 return ERR_PTR(rc); 1515 } 1516 1517 void wil_wdev_free(struct wil6210_priv *wil) 1518 { 1519 struct wireless_dev *wdev = wil_to_wdev(wil); 1520 1521 dev_dbg(wil_to_dev(wil), "%s()\n", __func__); 1522 1523 if (!wdev) 1524 return; 1525 1526 wiphy_free(wdev->wiphy); 1527 kfree(wdev); 1528 } 1529 1530 void wil_p2p_wdev_free(struct wil6210_priv *wil) 1531 { 1532 struct wireless_dev *p2p_wdev; 1533 1534 mutex_lock(&wil->p2p_wdev_mutex); 1535 p2p_wdev = wil->p2p_wdev; 1536 wil->p2p_wdev = NULL; 1537 wil->radio_wdev = wil_to_wdev(wil); 1538 mutex_unlock(&wil->p2p_wdev_mutex); 1539 if (p2p_wdev) { 1540 cfg80211_unregister_wdev(p2p_wdev); 1541 kfree(p2p_wdev); 1542 } 1543 } 1544