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 if (wil->scan_request) { 358 wil_err(wil, "Already scanning\n"); 359 return -EAGAIN; 360 } 361 362 /* check we are client side */ 363 switch (wdev->iftype) { 364 case NL80211_IFTYPE_STATION: 365 case NL80211_IFTYPE_P2P_CLIENT: 366 case NL80211_IFTYPE_P2P_DEVICE: 367 break; 368 default: 369 return -EOPNOTSUPP; 370 } 371 372 /* FW don't support scan after connection attempt */ 373 if (test_bit(wil_status_dontscan, wil->status)) { 374 wil_err(wil, "Can't scan now\n"); 375 return -EBUSY; 376 } 377 378 /* social scan on P2P_DEVICE is handled as p2p search */ 379 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE && 380 wil_p2p_is_social_scan(request)) { 381 wil->scan_request = request; 382 wil->radio_wdev = wdev; 383 rc = wil_p2p_search(wil, request); 384 if (rc) { 385 wil->radio_wdev = wil_to_wdev(wil); 386 wil->scan_request = NULL; 387 } 388 return rc; 389 } 390 391 (void)wil_p2p_stop_discovery(wil); 392 393 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); 394 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); 395 396 for (i = 0; i < request->n_ssids; i++) { 397 wil_dbg_misc(wil, "SSID[%d]", i); 398 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, 399 request->ssids[i].ssid, 400 request->ssids[i].ssid_len); 401 } 402 403 if (request->n_ssids) 404 rc = wmi_set_ssid(wil, request->ssids[0].ssid_len, 405 request->ssids[0].ssid); 406 else 407 rc = wmi_set_ssid(wil, 0, NULL); 408 409 if (rc) { 410 wil_err(wil, "set SSID for scan request failed: %d\n", rc); 411 return rc; 412 } 413 414 wil->scan_request = request; 415 mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); 416 417 memset(&cmd, 0, sizeof(cmd)); 418 cmd.cmd.scan_type = WMI_ACTIVE_SCAN; 419 cmd.cmd.num_channels = 0; 420 n = min(request->n_channels, 4U); 421 for (i = 0; i < n; i++) { 422 int ch = request->channels[i]->hw_value; 423 424 if (ch == 0) { 425 wil_err(wil, 426 "Scan requested for unknown frequency %dMhz\n", 427 request->channels[i]->center_freq); 428 continue; 429 } 430 /* 0-based channel indexes */ 431 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; 432 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, 433 request->channels[i]->center_freq); 434 } 435 436 if (request->ie_len) 437 print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET, 438 request->ie, request->ie_len); 439 else 440 wil_dbg_misc(wil, "Scan has no IE's\n"); 441 442 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); 443 if (rc) 444 goto out; 445 446 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { 447 cmd.cmd.discovery_mode = 1; 448 wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); 449 } 450 451 wil->radio_wdev = wdev; 452 rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + 453 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); 454 455 out: 456 if (rc) { 457 del_timer_sync(&wil->scan_timer); 458 wil->radio_wdev = wil_to_wdev(wil); 459 wil->scan_request = NULL; 460 } 461 462 return rc; 463 } 464 465 static void wil_print_crypto(struct wil6210_priv *wil, 466 struct cfg80211_crypto_settings *c) 467 { 468 int i, n; 469 470 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", 471 c->wpa_versions, c->cipher_group); 472 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); 473 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); 474 for (i = 0; i < n; i++) 475 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 476 c->ciphers_pairwise[i]); 477 wil_dbg_misc(wil, "}\n"); 478 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); 479 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); 480 for (i = 0; i < n; i++) 481 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 482 c->akm_suites[i]); 483 wil_dbg_misc(wil, "}\n"); 484 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", 485 c->control_port, be16_to_cpu(c->control_port_ethertype), 486 c->control_port_no_encrypt); 487 } 488 489 static void wil_print_connect_params(struct wil6210_priv *wil, 490 struct cfg80211_connect_params *sme) 491 { 492 wil_info(wil, "Connecting to:\n"); 493 if (sme->channel) { 494 wil_info(wil, " Channel: %d freq %d\n", 495 sme->channel->hw_value, sme->channel->center_freq); 496 } 497 if (sme->bssid) 498 wil_info(wil, " BSSID: %pM\n", sme->bssid); 499 if (sme->ssid) 500 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 501 16, 1, sme->ssid, sme->ssid_len, true); 502 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); 503 wil_info(wil, " PBSS: %d\n", sme->pbss); 504 wil_print_crypto(wil, &sme->crypto); 505 } 506 507 static int wil_cfg80211_connect(struct wiphy *wiphy, 508 struct net_device *ndev, 509 struct cfg80211_connect_params *sme) 510 { 511 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 512 struct cfg80211_bss *bss; 513 struct wmi_connect_cmd conn; 514 const u8 *ssid_eid; 515 const u8 *rsn_eid; 516 int ch; 517 int rc = 0; 518 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; 519 520 wil_dbg_misc(wil, "%s()\n", __func__); 521 wil_print_connect_params(wil, sme); 522 523 if (test_bit(wil_status_fwconnecting, wil->status) || 524 test_bit(wil_status_fwconnected, wil->status)) 525 return -EALREADY; 526 527 if (sme->ie_len > WMI_MAX_IE_LEN) { 528 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); 529 return -ERANGE; 530 } 531 532 rsn_eid = sme->ie ? 533 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : 534 NULL; 535 if (sme->privacy && !rsn_eid) 536 wil_info(wil, "WSC connection\n"); 537 538 if (sme->pbss) 539 bss_type = IEEE80211_BSS_TYPE_PBSS; 540 541 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, 542 sme->ssid, sme->ssid_len, 543 bss_type, IEEE80211_PRIVACY_ANY); 544 if (!bss) { 545 wil_err(wil, "Unable to find BSS\n"); 546 return -ENOENT; 547 } 548 549 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); 550 if (!ssid_eid) { 551 wil_err(wil, "No SSID\n"); 552 rc = -ENOENT; 553 goto out; 554 } 555 wil->privacy = sme->privacy; 556 557 if (wil->privacy) { 558 /* For secure assoc, remove old keys */ 559 rc = wmi_del_cipher_key(wil, 0, bss->bssid, 560 WMI_KEY_USE_PAIRWISE); 561 if (rc) { 562 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); 563 goto out; 564 } 565 rc = wmi_del_cipher_key(wil, 0, bss->bssid, 566 WMI_KEY_USE_RX_GROUP); 567 if (rc) { 568 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); 569 goto out; 570 } 571 } 572 573 /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info 574 * elements. Send it also in case it's empty, to erase previously set 575 * ies in FW. 576 */ 577 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); 578 if (rc) 579 goto out; 580 581 /* WMI_CONNECT_CMD */ 582 memset(&conn, 0, sizeof(conn)); 583 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { 584 case WLAN_CAPABILITY_DMG_TYPE_AP: 585 conn.network_type = WMI_NETTYPE_INFRA; 586 break; 587 case WLAN_CAPABILITY_DMG_TYPE_PBSS: 588 conn.network_type = WMI_NETTYPE_P2P; 589 break; 590 default: 591 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", 592 bss->capability); 593 goto out; 594 } 595 if (wil->privacy) { 596 if (rsn_eid) { /* regular secure connection */ 597 conn.dot11_auth_mode = WMI_AUTH11_SHARED; 598 conn.auth_mode = WMI_AUTH_WPA2_PSK; 599 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; 600 conn.pairwise_crypto_len = 16; 601 conn.group_crypto_type = WMI_CRYPT_AES_GCMP; 602 conn.group_crypto_len = 16; 603 } else { /* WSC */ 604 conn.dot11_auth_mode = WMI_AUTH11_WSC; 605 conn.auth_mode = WMI_AUTH_NONE; 606 } 607 } else { /* insecure connection */ 608 conn.dot11_auth_mode = WMI_AUTH11_OPEN; 609 conn.auth_mode = WMI_AUTH_NONE; 610 } 611 612 conn.ssid_len = min_t(u8, ssid_eid[1], 32); 613 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); 614 615 ch = bss->channel->hw_value; 616 if (ch == 0) { 617 wil_err(wil, "BSS at unknown frequency %dMhz\n", 618 bss->channel->center_freq); 619 rc = -EOPNOTSUPP; 620 goto out; 621 } 622 conn.channel = ch - 1; 623 624 ether_addr_copy(conn.bssid, bss->bssid); 625 ether_addr_copy(conn.dst_mac, bss->bssid); 626 627 set_bit(wil_status_fwconnecting, wil->status); 628 629 rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); 630 if (rc == 0) { 631 netif_carrier_on(ndev); 632 /* Connect can take lots of time */ 633 mod_timer(&wil->connect_timer, 634 jiffies + msecs_to_jiffies(2000)); 635 } else { 636 clear_bit(wil_status_fwconnecting, wil->status); 637 } 638 639 out: 640 cfg80211_put_bss(wiphy, bss); 641 642 return rc; 643 } 644 645 static int wil_cfg80211_disconnect(struct wiphy *wiphy, 646 struct net_device *ndev, 647 u16 reason_code) 648 { 649 int rc; 650 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 651 652 wil_dbg_misc(wil, "%s(reason=%d)\n", __func__, reason_code); 653 654 if (!(test_bit(wil_status_fwconnecting, wil->status) || 655 test_bit(wil_status_fwconnected, wil->status))) { 656 wil_err(wil, "%s: Disconnect was called while disconnected\n", 657 __func__); 658 return 0; 659 } 660 661 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0, 662 WMI_DISCONNECT_EVENTID, NULL, 0, 663 WIL6210_DISCONNECT_TO_MS); 664 if (rc) 665 wil_err(wil, "%s: disconnect error %d\n", __func__, rc); 666 667 return rc; 668 } 669 670 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 671 struct cfg80211_mgmt_tx_params *params, 672 u64 *cookie) 673 { 674 const u8 *buf = params->buf; 675 size_t len = params->len; 676 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 677 int rc; 678 bool tx_status = false; 679 struct ieee80211_mgmt *mgmt_frame = (void *)buf; 680 struct wmi_sw_tx_req_cmd *cmd; 681 struct { 682 struct wmi_cmd_hdr wmi; 683 struct wmi_sw_tx_complete_event evt; 684 } __packed evt; 685 686 /* Note, currently we do not support the "wait" parameter, user-space 687 * must call remain_on_channel before mgmt_tx or listen on a channel 688 * another way (AP/PCP or connected station) 689 * in addition we need to check if specified "chan" argument is 690 * different from currently "listened" channel and fail if it is. 691 */ 692 693 wil_dbg_misc(wil, "%s()\n", __func__); 694 print_hex_dump_bytes("mgmt tx frame ", DUMP_PREFIX_OFFSET, buf, len); 695 696 cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL); 697 if (!cmd) { 698 rc = -ENOMEM; 699 goto out; 700 } 701 702 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); 703 cmd->len = cpu_to_le16(len); 704 memcpy(cmd->payload, buf, len); 705 706 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len, 707 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); 708 if (rc == 0) 709 tx_status = !evt.evt.status; 710 711 kfree(cmd); 712 out: 713 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, 714 tx_status, GFP_KERNEL); 715 return rc; 716 } 717 718 static int wil_cfg80211_set_channel(struct wiphy *wiphy, 719 struct cfg80211_chan_def *chandef) 720 { 721 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 722 struct wireless_dev *wdev = wil_to_wdev(wil); 723 724 wdev->preset_chandef = *chandef; 725 726 return 0; 727 } 728 729 static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil, 730 bool pairwise) 731 { 732 struct wireless_dev *wdev = wil_to_wdev(wil); 733 enum wmi_key_usage rc; 734 735 if (pairwise) { 736 rc = WMI_KEY_USE_PAIRWISE; 737 } else { 738 switch (wdev->iftype) { 739 case NL80211_IFTYPE_STATION: 740 case NL80211_IFTYPE_P2P_CLIENT: 741 rc = WMI_KEY_USE_RX_GROUP; 742 break; 743 case NL80211_IFTYPE_AP: 744 case NL80211_IFTYPE_P2P_GO: 745 rc = WMI_KEY_USE_TX_GROUP; 746 break; 747 default: 748 /* TODO: Rx GTK or Tx GTK? */ 749 wil_err(wil, "Can't determine GTK type\n"); 750 rc = WMI_KEY_USE_RX_GROUP; 751 break; 752 } 753 } 754 wil_dbg_misc(wil, "%s() -> %s\n", __func__, key_usage_str[rc]); 755 756 return rc; 757 } 758 759 static struct wil_tid_crypto_rx_single * 760 wil_find_crypto_ctx(struct wil6210_priv *wil, u8 key_index, 761 enum wmi_key_usage key_usage, const u8 *mac_addr) 762 { 763 int cid = -EINVAL; 764 int tid = 0; 765 struct wil_sta_info *s; 766 struct wil_tid_crypto_rx *c; 767 768 if (key_usage == WMI_KEY_USE_TX_GROUP) 769 return NULL; /* not needed */ 770 771 /* supplicant provides Rx group key in STA mode with NULL MAC address */ 772 if (mac_addr) 773 cid = wil_find_cid(wil, mac_addr); 774 else if (key_usage == WMI_KEY_USE_RX_GROUP) 775 cid = wil_find_cid_by_idx(wil, 0); 776 if (cid < 0) { 777 wil_err(wil, "No CID for %pM %s[%d]\n", mac_addr, 778 key_usage_str[key_usage], key_index); 779 return ERR_PTR(cid); 780 } 781 782 s = &wil->sta[cid]; 783 if (key_usage == WMI_KEY_USE_PAIRWISE) 784 c = &s->tid_crypto_rx[tid]; 785 else 786 c = &s->group_crypto_rx; 787 788 return &c->key_id[key_index]; 789 } 790 791 static int wil_cfg80211_add_key(struct wiphy *wiphy, 792 struct net_device *ndev, 793 u8 key_index, bool pairwise, 794 const u8 *mac_addr, 795 struct key_params *params) 796 { 797 int rc; 798 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 799 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); 800 struct wil_tid_crypto_rx_single *cc = wil_find_crypto_ctx(wil, 801 key_index, 802 key_usage, 803 mac_addr); 804 805 wil_dbg_misc(wil, "%s(%pM %s[%d] PN %*phN)\n", __func__, 806 mac_addr, key_usage_str[key_usage], key_index, 807 params->seq_len, params->seq); 808 809 if (IS_ERR(cc)) { 810 wil_err(wil, "Not connected, %s(%pM %s[%d] PN %*phN)\n", 811 __func__, mac_addr, key_usage_str[key_usage], key_index, 812 params->seq_len, params->seq); 813 return -EINVAL; 814 } 815 816 if (cc) 817 cc->key_set = false; 818 819 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { 820 wil_err(wil, 821 "Wrong PN len %d, %s(%pM %s[%d] PN %*phN)\n", 822 params->seq_len, __func__, mac_addr, 823 key_usage_str[key_usage], key_index, 824 params->seq_len, params->seq); 825 return -EINVAL; 826 } 827 828 rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len, 829 params->key, key_usage); 830 if ((rc == 0) && cc) { 831 if (params->seq) 832 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); 833 else 834 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 835 cc->key_set = true; 836 } 837 838 return rc; 839 } 840 841 static int wil_cfg80211_del_key(struct wiphy *wiphy, 842 struct net_device *ndev, 843 u8 key_index, bool pairwise, 844 const u8 *mac_addr) 845 { 846 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 847 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); 848 struct wil_tid_crypto_rx_single *cc = wil_find_crypto_ctx(wil, 849 key_index, 850 key_usage, 851 mac_addr); 852 853 wil_dbg_misc(wil, "%s(%pM %s[%d])\n", __func__, mac_addr, 854 key_usage_str[key_usage], key_index); 855 856 if (IS_ERR(cc)) 857 wil_info(wil, "Not connected, %s(%pM %s[%d])\n", __func__, 858 mac_addr, key_usage_str[key_usage], key_index); 859 860 if (!IS_ERR_OR_NULL(cc)) 861 cc->key_set = false; 862 863 return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage); 864 } 865 866 /* Need to be present or wiphy_new() will WARN */ 867 static int wil_cfg80211_set_default_key(struct wiphy *wiphy, 868 struct net_device *ndev, 869 u8 key_index, bool unicast, 870 bool multicast) 871 { 872 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 873 874 wil_dbg_misc(wil, "%s: entered\n", __func__); 875 return 0; 876 } 877 878 static int wil_remain_on_channel(struct wiphy *wiphy, 879 struct wireless_dev *wdev, 880 struct ieee80211_channel *chan, 881 unsigned int duration, 882 u64 *cookie) 883 { 884 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 885 int rc; 886 887 wil_dbg_misc(wil, "%s() center_freq=%d, duration=%d iftype=%d\n", 888 __func__, chan->center_freq, duration, wdev->iftype); 889 890 rc = wil_p2p_listen(wil, duration, chan, cookie); 891 if (rc) 892 return rc; 893 894 wil->radio_wdev = wdev; 895 896 cfg80211_ready_on_channel(wdev, *cookie, chan, duration, 897 GFP_KERNEL); 898 899 return 0; 900 } 901 902 static int wil_cancel_remain_on_channel(struct wiphy *wiphy, 903 struct wireless_dev *wdev, 904 u64 cookie) 905 { 906 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 907 908 wil_dbg_misc(wil, "%s()\n", __func__); 909 910 return wil_p2p_cancel_listen(wil, cookie); 911 } 912 913 /** 914 * find a specific IE in a list of IEs 915 * return a pointer to the beginning of IE in the list 916 * or NULL if not found 917 */ 918 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, 919 u16 ie_len) 920 { 921 struct ieee80211_vendor_ie *vie; 922 u32 oui; 923 924 /* IE tag at offset 0, length at offset 1 */ 925 if (ie_len < 2 || 2 + ie[1] > ie_len) 926 return NULL; 927 928 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) 929 return cfg80211_find_ie(ie[0], ies, ies_len); 930 931 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ 932 if (ie[1] < 4) 933 return NULL; 934 vie = (struct ieee80211_vendor_ie *)ie; 935 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; 936 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, 937 ies_len); 938 } 939 940 /** 941 * merge the IEs in two lists into a single list. 942 * do not include IEs from the second list which exist in the first list. 943 * add only vendor specific IEs from second list to keep 944 * the merged list sorted (since vendor-specific IE has the 945 * highest tag number) 946 * caller must free the allocated memory for merged IEs 947 */ 948 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, 949 const u8 *ies2, u16 ies2_len, 950 u8 **merged_ies, u16 *merged_len) 951 { 952 u8 *buf, *dpos; 953 const u8 *spos; 954 955 if (ies1_len == 0 && ies2_len == 0) { 956 *merged_ies = NULL; 957 *merged_len = 0; 958 return 0; 959 } 960 961 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); 962 if (!buf) 963 return -ENOMEM; 964 memcpy(buf, ies1, ies1_len); 965 dpos = buf + ies1_len; 966 spos = ies2; 967 while (spos + 1 < ies2 + ies2_len) { 968 /* IE tag at offset 0, length at offset 1 */ 969 u16 ielen = 2 + spos[1]; 970 971 if (spos + ielen > ies2 + ies2_len) 972 break; 973 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && 974 !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) { 975 memcpy(dpos, spos, ielen); 976 dpos += ielen; 977 } 978 spos += ielen; 979 } 980 981 *merged_ies = buf; 982 *merged_len = dpos - buf; 983 return 0; 984 } 985 986 static void wil_print_bcon_data(struct cfg80211_beacon_data *b) 987 { 988 print_hex_dump_bytes("head ", DUMP_PREFIX_OFFSET, 989 b->head, b->head_len); 990 print_hex_dump_bytes("tail ", DUMP_PREFIX_OFFSET, 991 b->tail, b->tail_len); 992 print_hex_dump_bytes("BCON IE ", DUMP_PREFIX_OFFSET, 993 b->beacon_ies, b->beacon_ies_len); 994 print_hex_dump_bytes("PROBE ", DUMP_PREFIX_OFFSET, 995 b->probe_resp, b->probe_resp_len); 996 print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET, 997 b->proberesp_ies, b->proberesp_ies_len); 998 print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET, 999 b->assocresp_ies, b->assocresp_ies_len); 1000 } 1001 1002 /* internal functions for device reset and starting AP */ 1003 static int _wil_cfg80211_set_ies(struct wiphy *wiphy, 1004 struct cfg80211_beacon_data *bcon) 1005 { 1006 int rc; 1007 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1008 u16 len = 0, proberesp_len = 0; 1009 u8 *ies = NULL, *proberesp = NULL; 1010 1011 if (bcon->probe_resp) { 1012 struct ieee80211_mgmt *f = 1013 (struct ieee80211_mgmt *)bcon->probe_resp; 1014 size_t hlen = offsetof(struct ieee80211_mgmt, 1015 u.probe_resp.variable); 1016 proberesp = f->u.probe_resp.variable; 1017 proberesp_len = bcon->probe_resp_len - hlen; 1018 } 1019 rc = _wil_cfg80211_merge_extra_ies(proberesp, 1020 proberesp_len, 1021 bcon->proberesp_ies, 1022 bcon->proberesp_ies_len, 1023 &ies, &len); 1024 1025 if (rc) 1026 goto out; 1027 1028 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies); 1029 if (rc) 1030 goto out; 1031 1032 if (bcon->assocresp_ies) 1033 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, 1034 bcon->assocresp_ies_len, bcon->assocresp_ies); 1035 else 1036 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies); 1037 #if 0 /* to use beacon IE's, remove this #if 0 */ 1038 if (rc) 1039 goto out; 1040 1041 rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail); 1042 #endif 1043 out: 1044 kfree(ies); 1045 return rc; 1046 } 1047 1048 static int _wil_cfg80211_start_ap(struct wiphy *wiphy, 1049 struct net_device *ndev, 1050 const u8 *ssid, size_t ssid_len, u32 privacy, 1051 int bi, u8 chan, 1052 struct cfg80211_beacon_data *bcon, 1053 u8 hidden_ssid, u32 pbss) 1054 { 1055 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1056 int rc; 1057 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1058 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); 1059 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); 1060 1061 if (pbss) 1062 wmi_nettype = WMI_NETTYPE_P2P; 1063 1064 wil_dbg_misc(wil, "%s: is_go=%d\n", __func__, is_go); 1065 if (is_go && !pbss) { 1066 wil_err(wil, "%s: P2P GO must be in PBSS\n", __func__); 1067 return -ENOTSUPP; 1068 } 1069 1070 wil_set_recovery_state(wil, fw_recovery_idle); 1071 1072 mutex_lock(&wil->mutex); 1073 1074 __wil_down(wil); 1075 rc = __wil_up(wil); 1076 if (rc) 1077 goto out; 1078 1079 rc = wmi_set_ssid(wil, ssid_len, ssid); 1080 if (rc) 1081 goto out; 1082 1083 rc = _wil_cfg80211_set_ies(wiphy, bcon); 1084 if (rc) 1085 goto out; 1086 1087 wil->privacy = privacy; 1088 wil->channel = chan; 1089 wil->hidden_ssid = hidden_ssid; 1090 wil->pbss = pbss; 1091 1092 netif_carrier_on(ndev); 1093 1094 rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid, is_go); 1095 if (rc) 1096 goto err_pcp_start; 1097 1098 rc = wil_bcast_init(wil); 1099 if (rc) 1100 goto err_bcast; 1101 1102 goto out; /* success */ 1103 1104 err_bcast: 1105 wmi_pcp_stop(wil); 1106 err_pcp_start: 1107 netif_carrier_off(ndev); 1108 out: 1109 mutex_unlock(&wil->mutex); 1110 return rc; 1111 } 1112 1113 static int wil_cfg80211_change_beacon(struct wiphy *wiphy, 1114 struct net_device *ndev, 1115 struct cfg80211_beacon_data *bcon) 1116 { 1117 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1118 int rc; 1119 u32 privacy = 0; 1120 1121 wil_dbg_misc(wil, "%s()\n", __func__); 1122 wil_print_bcon_data(bcon); 1123 1124 if (bcon->tail && 1125 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, 1126 bcon->tail_len)) 1127 privacy = 1; 1128 1129 /* in case privacy has changed, need to restart the AP */ 1130 if (wil->privacy != privacy) { 1131 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1132 1133 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", 1134 wil->privacy, privacy); 1135 1136 rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid, 1137 wdev->ssid_len, privacy, 1138 wdev->beacon_interval, 1139 wil->channel, bcon, 1140 wil->hidden_ssid, 1141 wil->pbss); 1142 } else { 1143 rc = _wil_cfg80211_set_ies(wiphy, bcon); 1144 } 1145 1146 return rc; 1147 } 1148 1149 static int wil_cfg80211_start_ap(struct wiphy *wiphy, 1150 struct net_device *ndev, 1151 struct cfg80211_ap_settings *info) 1152 { 1153 int rc; 1154 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1155 struct ieee80211_channel *channel = info->chandef.chan; 1156 struct cfg80211_beacon_data *bcon = &info->beacon; 1157 struct cfg80211_crypto_settings *crypto = &info->crypto; 1158 u8 hidden_ssid; 1159 1160 wil_dbg_misc(wil, "%s()\n", __func__); 1161 1162 if (!channel) { 1163 wil_err(wil, "AP: No channel???\n"); 1164 return -EINVAL; 1165 } 1166 1167 switch (info->hidden_ssid) { 1168 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1169 hidden_ssid = WMI_HIDDEN_SSID_DISABLED; 1170 break; 1171 1172 case NL80211_HIDDEN_SSID_ZERO_LEN: 1173 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; 1174 break; 1175 1176 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1177 hidden_ssid = WMI_HIDDEN_SSID_CLEAR; 1178 break; 1179 1180 default: 1181 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); 1182 return -EOPNOTSUPP; 1183 } 1184 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, 1185 channel->center_freq, info->privacy ? "secure" : "open"); 1186 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", 1187 info->privacy, info->auth_type); 1188 wil_dbg_misc(wil, "Hidden SSID mode: %d\n", 1189 info->hidden_ssid); 1190 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, 1191 info->dtim_period); 1192 wil_dbg_misc(wil, "PBSS %d\n", info->pbss); 1193 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, 1194 info->ssid, info->ssid_len); 1195 wil_print_bcon_data(bcon); 1196 wil_print_crypto(wil, crypto); 1197 1198 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1199 info->ssid, info->ssid_len, info->privacy, 1200 info->beacon_interval, channel->hw_value, 1201 bcon, hidden_ssid, info->pbss); 1202 1203 return rc; 1204 } 1205 1206 static int wil_cfg80211_stop_ap(struct wiphy *wiphy, 1207 struct net_device *ndev) 1208 { 1209 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1210 1211 wil_dbg_misc(wil, "%s()\n", __func__); 1212 1213 netif_carrier_off(ndev); 1214 wil_set_recovery_state(wil, fw_recovery_idle); 1215 1216 mutex_lock(&wil->mutex); 1217 1218 wmi_pcp_stop(wil); 1219 1220 __wil_down(wil); 1221 1222 mutex_unlock(&wil->mutex); 1223 1224 return 0; 1225 } 1226 1227 static int wil_cfg80211_del_station(struct wiphy *wiphy, 1228 struct net_device *dev, 1229 struct station_del_parameters *params) 1230 { 1231 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1232 1233 wil_dbg_misc(wil, "%s(%pM, reason=%d)\n", __func__, params->mac, 1234 params->reason_code); 1235 1236 mutex_lock(&wil->mutex); 1237 wil6210_disconnect(wil, params->mac, params->reason_code, false); 1238 mutex_unlock(&wil->mutex); 1239 1240 return 0; 1241 } 1242 1243 /* probe_client handling */ 1244 static void wil_probe_client_handle(struct wil6210_priv *wil, 1245 struct wil_probe_client_req *req) 1246 { 1247 struct net_device *ndev = wil_to_ndev(wil); 1248 struct wil_sta_info *sta = &wil->sta[req->cid]; 1249 /* assume STA is alive if it is still connected, 1250 * else FW will disconnect it 1251 */ 1252 bool alive = (sta->status == wil_sta_connected); 1253 1254 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL); 1255 } 1256 1257 static struct list_head *next_probe_client(struct wil6210_priv *wil) 1258 { 1259 struct list_head *ret = NULL; 1260 1261 mutex_lock(&wil->probe_client_mutex); 1262 1263 if (!list_empty(&wil->probe_client_pending)) { 1264 ret = wil->probe_client_pending.next; 1265 list_del(ret); 1266 } 1267 1268 mutex_unlock(&wil->probe_client_mutex); 1269 1270 return ret; 1271 } 1272 1273 void wil_probe_client_worker(struct work_struct *work) 1274 { 1275 struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 1276 probe_client_worker); 1277 struct wil_probe_client_req *req; 1278 struct list_head *lh; 1279 1280 while ((lh = next_probe_client(wil)) != NULL) { 1281 req = list_entry(lh, struct wil_probe_client_req, list); 1282 1283 wil_probe_client_handle(wil, req); 1284 kfree(req); 1285 } 1286 } 1287 1288 void wil_probe_client_flush(struct wil6210_priv *wil) 1289 { 1290 struct wil_probe_client_req *req, *t; 1291 1292 wil_dbg_misc(wil, "%s()\n", __func__); 1293 1294 mutex_lock(&wil->probe_client_mutex); 1295 1296 list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) { 1297 list_del(&req->list); 1298 kfree(req); 1299 } 1300 1301 mutex_unlock(&wil->probe_client_mutex); 1302 } 1303 1304 static int wil_cfg80211_probe_client(struct wiphy *wiphy, 1305 struct net_device *dev, 1306 const u8 *peer, u64 *cookie) 1307 { 1308 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1309 struct wil_probe_client_req *req; 1310 int cid = wil_find_cid(wil, peer); 1311 1312 wil_dbg_misc(wil, "%s(%pM => CID %d)\n", __func__, peer, cid); 1313 1314 if (cid < 0) 1315 return -ENOLINK; 1316 1317 req = kzalloc(sizeof(*req), GFP_KERNEL); 1318 if (!req) 1319 return -ENOMEM; 1320 1321 req->cid = cid; 1322 req->cookie = cid; 1323 1324 mutex_lock(&wil->probe_client_mutex); 1325 list_add_tail(&req->list, &wil->probe_client_pending); 1326 mutex_unlock(&wil->probe_client_mutex); 1327 1328 *cookie = req->cookie; 1329 queue_work(wil->wq_service, &wil->probe_client_worker); 1330 return 0; 1331 } 1332 1333 static int wil_cfg80211_change_bss(struct wiphy *wiphy, 1334 struct net_device *dev, 1335 struct bss_parameters *params) 1336 { 1337 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1338 1339 if (params->ap_isolate >= 0) { 1340 wil_dbg_misc(wil, "%s(ap_isolate %d => %d)\n", __func__, 1341 wil->ap_isolate, params->ap_isolate); 1342 wil->ap_isolate = params->ap_isolate; 1343 } 1344 1345 return 0; 1346 } 1347 1348 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy, 1349 struct wireless_dev *wdev) 1350 { 1351 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1352 1353 wil_dbg_misc(wil, "%s: entered\n", __func__); 1354 return 0; 1355 } 1356 1357 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy, 1358 struct wireless_dev *wdev) 1359 { 1360 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1361 1362 wil_dbg_misc(wil, "%s: entered\n", __func__); 1363 } 1364 1365 static struct cfg80211_ops wil_cfg80211_ops = { 1366 .add_virtual_intf = wil_cfg80211_add_iface, 1367 .del_virtual_intf = wil_cfg80211_del_iface, 1368 .scan = wil_cfg80211_scan, 1369 .connect = wil_cfg80211_connect, 1370 .disconnect = wil_cfg80211_disconnect, 1371 .change_virtual_intf = wil_cfg80211_change_iface, 1372 .get_station = wil_cfg80211_get_station, 1373 .dump_station = wil_cfg80211_dump_station, 1374 .remain_on_channel = wil_remain_on_channel, 1375 .cancel_remain_on_channel = wil_cancel_remain_on_channel, 1376 .mgmt_tx = wil_cfg80211_mgmt_tx, 1377 .set_monitor_channel = wil_cfg80211_set_channel, 1378 .add_key = wil_cfg80211_add_key, 1379 .del_key = wil_cfg80211_del_key, 1380 .set_default_key = wil_cfg80211_set_default_key, 1381 /* AP mode */ 1382 .change_beacon = wil_cfg80211_change_beacon, 1383 .start_ap = wil_cfg80211_start_ap, 1384 .stop_ap = wil_cfg80211_stop_ap, 1385 .del_station = wil_cfg80211_del_station, 1386 .probe_client = wil_cfg80211_probe_client, 1387 .change_bss = wil_cfg80211_change_bss, 1388 /* P2P device */ 1389 .start_p2p_device = wil_cfg80211_start_p2p_device, 1390 .stop_p2p_device = wil_cfg80211_stop_p2p_device, 1391 }; 1392 1393 static void wil_wiphy_init(struct wiphy *wiphy) 1394 { 1395 wiphy->max_scan_ssids = 1; 1396 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 1397 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; 1398 wiphy->max_num_pmkids = 0 /* TODO: */; 1399 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 1400 BIT(NL80211_IFTYPE_AP) | 1401 BIT(NL80211_IFTYPE_P2P_CLIENT) | 1402 BIT(NL80211_IFTYPE_P2P_GO) | 1403 BIT(NL80211_IFTYPE_P2P_DEVICE) | 1404 BIT(NL80211_IFTYPE_MONITOR); 1405 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 1406 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 1407 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 1408 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", 1409 __func__, wiphy->flags); 1410 wiphy->probe_resp_offload = 1411 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 1412 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 1413 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 1414 1415 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; 1416 1417 /* TODO: figure this out */ 1418 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 1419 1420 wiphy->cipher_suites = wil_cipher_suites; 1421 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); 1422 wiphy->mgmt_stypes = wil_mgmt_stypes; 1423 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 1424 } 1425 1426 struct wireless_dev *wil_cfg80211_init(struct device *dev) 1427 { 1428 int rc = 0; 1429 struct wireless_dev *wdev; 1430 1431 dev_dbg(dev, "%s()\n", __func__); 1432 1433 wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); 1434 if (!wdev) 1435 return ERR_PTR(-ENOMEM); 1436 1437 wdev->wiphy = wiphy_new(&wil_cfg80211_ops, 1438 sizeof(struct wil6210_priv)); 1439 if (!wdev->wiphy) { 1440 rc = -ENOMEM; 1441 goto out; 1442 } 1443 1444 set_wiphy_dev(wdev->wiphy, dev); 1445 wil_wiphy_init(wdev->wiphy); 1446 1447 rc = wiphy_register(wdev->wiphy); 1448 if (rc < 0) 1449 goto out_failed_reg; 1450 1451 return wdev; 1452 1453 out_failed_reg: 1454 wiphy_free(wdev->wiphy); 1455 out: 1456 kfree(wdev); 1457 1458 return ERR_PTR(rc); 1459 } 1460 1461 void wil_wdev_free(struct wil6210_priv *wil) 1462 { 1463 struct wireless_dev *wdev = wil_to_wdev(wil); 1464 1465 dev_dbg(wil_to_dev(wil), "%s()\n", __func__); 1466 1467 if (!wdev) 1468 return; 1469 1470 wiphy_unregister(wdev->wiphy); 1471 wiphy_free(wdev->wiphy); 1472 kfree(wdev); 1473 } 1474 1475 void wil_p2p_wdev_free(struct wil6210_priv *wil) 1476 { 1477 struct wireless_dev *p2p_wdev; 1478 1479 mutex_lock(&wil->p2p_wdev_mutex); 1480 p2p_wdev = wil->p2p_wdev; 1481 if (p2p_wdev) { 1482 wil->p2p_wdev = NULL; 1483 wil->radio_wdev = wil_to_wdev(wil); 1484 cfg80211_unregister_wdev(p2p_wdev); 1485 kfree(p2p_wdev); 1486 } 1487 mutex_unlock(&wil->p2p_wdev_mutex); 1488 } 1489