1 /* 2 * Copyright (c) 2012-2017 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 <linux/moduleparam.h> 19 #include "wil6210.h" 20 #include "wmi.h" 21 22 #define WIL_MAX_ROC_DURATION_MS 5000 23 24 bool disable_ap_sme; 25 module_param(disable_ap_sme, bool, 0444); 26 MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME"); 27 28 #define CHAN60G(_channel, _flags) { \ 29 .band = NL80211_BAND_60GHZ, \ 30 .center_freq = 56160 + (2160 * (_channel)), \ 31 .hw_value = (_channel), \ 32 .flags = (_flags), \ 33 .max_antenna_gain = 0, \ 34 .max_power = 40, \ 35 } 36 37 static struct ieee80211_channel wil_60ghz_channels[] = { 38 CHAN60G(1, 0), 39 CHAN60G(2, 0), 40 CHAN60G(3, 0), 41 /* channel 4 not supported yet */ 42 }; 43 44 static struct ieee80211_supported_band wil_band_60ghz = { 45 .channels = wil_60ghz_channels, 46 .n_channels = ARRAY_SIZE(wil_60ghz_channels), 47 .ht_cap = { 48 .ht_supported = true, 49 .cap = 0, /* TODO */ 50 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */ 51 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */ 52 .mcs = { 53 /* MCS 1..12 - SC PHY */ 54 .rx_mask = {0xfe, 0x1f}, /* 1..12 */ 55 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */ 56 }, 57 }, 58 }; 59 60 static const struct ieee80211_txrx_stypes 61 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = { 62 [NL80211_IFTYPE_STATION] = { 63 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 64 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 65 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 66 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 67 }, 68 [NL80211_IFTYPE_AP] = { 69 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 70 BIT(IEEE80211_STYPE_PROBE_RESP >> 4) | 71 BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) | 72 BIT(IEEE80211_STYPE_DISASSOC >> 4), 73 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 74 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 75 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 76 BIT(IEEE80211_STYPE_DISASSOC >> 4) | 77 BIT(IEEE80211_STYPE_AUTH >> 4) | 78 BIT(IEEE80211_STYPE_DEAUTH >> 4) | 79 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) 80 }, 81 [NL80211_IFTYPE_P2P_CLIENT] = { 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 [NL80211_IFTYPE_P2P_GO] = { 88 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 89 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 90 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 91 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 92 }, 93 [NL80211_IFTYPE_P2P_DEVICE] = { 94 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 95 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 96 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 97 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 98 }, 99 }; 100 101 static const u32 wil_cipher_suites[] = { 102 WLAN_CIPHER_SUITE_GCMP, 103 }; 104 105 static const char * const key_usage_str[] = { 106 [WMI_KEY_USE_PAIRWISE] = "PTK", 107 [WMI_KEY_USE_RX_GROUP] = "RX_GTK", 108 [WMI_KEY_USE_TX_GROUP] = "TX_GTK", 109 }; 110 111 int wil_iftype_nl2wmi(enum nl80211_iftype type) 112 { 113 static const struct { 114 enum nl80211_iftype nl; 115 enum wmi_network_type wmi; 116 } __nl2wmi[] = { 117 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC}, 118 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA}, 119 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP}, 120 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P}, 121 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P}, 122 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */ 123 }; 124 uint i; 125 126 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) { 127 if (__nl2wmi[i].nl == type) 128 return __nl2wmi[i].wmi; 129 } 130 131 return -EOPNOTSUPP; 132 } 133 134 int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid, 135 struct station_info *sinfo) 136 { 137 struct wmi_notify_req_cmd cmd = { 138 .cid = cid, 139 .interval_usec = 0, 140 }; 141 struct { 142 struct wmi_cmd_hdr wmi; 143 struct wmi_notify_req_done_event evt; 144 } __packed reply; 145 struct wil_net_stats *stats = &wil->sta[cid].stats; 146 int rc; 147 148 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd), 149 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20); 150 if (rc) 151 return rc; 152 153 wil_dbg_wmi(wil, "Link status for CID %d: {\n" 154 " MCS %d TSF 0x%016llx\n" 155 " BF status 0x%08x SNR 0x%08x SQI %d%%\n" 156 " Tx Tpt %d goodput %d Rx goodput %d\n" 157 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n", 158 cid, le16_to_cpu(reply.evt.bf_mcs), 159 le64_to_cpu(reply.evt.tsf), reply.evt.status, 160 le32_to_cpu(reply.evt.snr_val), 161 reply.evt.sqi, 162 le32_to_cpu(reply.evt.tx_tpt), 163 le32_to_cpu(reply.evt.tx_goodput), 164 le32_to_cpu(reply.evt.rx_goodput), 165 le16_to_cpu(reply.evt.my_rx_sector), 166 le16_to_cpu(reply.evt.my_tx_sector), 167 le16_to_cpu(reply.evt.other_rx_sector), 168 le16_to_cpu(reply.evt.other_tx_sector)); 169 170 sinfo->generation = wil->sinfo_gen; 171 172 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | 173 BIT(NL80211_STA_INFO_TX_BYTES) | 174 BIT(NL80211_STA_INFO_RX_PACKETS) | 175 BIT(NL80211_STA_INFO_TX_PACKETS) | 176 BIT(NL80211_STA_INFO_RX_BITRATE) | 177 BIT(NL80211_STA_INFO_TX_BITRATE) | 178 BIT(NL80211_STA_INFO_RX_DROP_MISC) | 179 BIT(NL80211_STA_INFO_TX_FAILED); 180 181 sinfo->txrate.flags = RATE_INFO_FLAGS_60G; 182 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); 183 sinfo->rxrate.mcs = stats->last_mcs_rx; 184 sinfo->rx_bytes = stats->rx_bytes; 185 sinfo->rx_packets = stats->rx_packets; 186 sinfo->rx_dropped_misc = stats->rx_dropped; 187 sinfo->tx_bytes = stats->tx_bytes; 188 sinfo->tx_packets = stats->tx_packets; 189 sinfo->tx_failed = stats->tx_errors; 190 191 if (test_bit(wil_status_fwconnected, wil->status)) { 192 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); 193 sinfo->signal = reply.evt.sqi; 194 } 195 196 return rc; 197 } 198 199 static int wil_cfg80211_get_station(struct wiphy *wiphy, 200 struct net_device *ndev, 201 const u8 *mac, struct station_info *sinfo) 202 { 203 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 204 int rc; 205 206 int cid = wil_find_cid(wil, mac); 207 208 wil_dbg_misc(wil, "get_station: %pM CID %d\n", mac, cid); 209 if (cid < 0) 210 return cid; 211 212 rc = wil_cid_fill_sinfo(wil, cid, sinfo); 213 214 return rc; 215 } 216 217 /* 218 * Find @idx-th active STA for station dump. 219 */ 220 static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx) 221 { 222 int i; 223 224 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 225 if (wil->sta[i].status == wil_sta_unused) 226 continue; 227 if (idx == 0) 228 return i; 229 idx--; 230 } 231 232 return -ENOENT; 233 } 234 235 static int wil_cfg80211_dump_station(struct wiphy *wiphy, 236 struct net_device *dev, int idx, 237 u8 *mac, struct station_info *sinfo) 238 { 239 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 240 int rc; 241 int cid = wil_find_cid_by_idx(wil, idx); 242 243 if (cid < 0) 244 return -ENOENT; 245 246 ether_addr_copy(mac, wil->sta[cid].addr); 247 wil_dbg_misc(wil, "dump_station: %pM CID %d\n", mac, cid); 248 249 rc = wil_cid_fill_sinfo(wil, cid, sinfo); 250 251 return rc; 252 } 253 254 static struct wireless_dev * 255 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name, 256 unsigned char name_assign_type, 257 enum nl80211_iftype type, 258 struct vif_params *params) 259 { 260 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 261 struct net_device *ndev = wil_to_ndev(wil); 262 struct wireless_dev *p2p_wdev; 263 264 wil_dbg_misc(wil, "add_iface\n"); 265 266 if (type != NL80211_IFTYPE_P2P_DEVICE) { 267 wil_err(wil, "unsupported iftype %d\n", type); 268 return ERR_PTR(-EINVAL); 269 } 270 271 if (wil->p2p_wdev) { 272 wil_err(wil, "P2P_DEVICE interface already created\n"); 273 return ERR_PTR(-EINVAL); 274 } 275 276 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL); 277 if (!p2p_wdev) 278 return ERR_PTR(-ENOMEM); 279 280 p2p_wdev->iftype = type; 281 p2p_wdev->wiphy = wiphy; 282 /* use our primary ethernet address */ 283 ether_addr_copy(p2p_wdev->address, ndev->perm_addr); 284 285 wil->p2p_wdev = p2p_wdev; 286 287 return p2p_wdev; 288 } 289 290 static int wil_cfg80211_del_iface(struct wiphy *wiphy, 291 struct wireless_dev *wdev) 292 { 293 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 294 295 wil_dbg_misc(wil, "del_iface\n"); 296 297 if (wdev != wil->p2p_wdev) { 298 wil_err(wil, "delete of incorrect interface 0x%p\n", wdev); 299 return -EINVAL; 300 } 301 302 wil_p2p_wdev_free(wil); 303 304 return 0; 305 } 306 307 static int wil_cfg80211_change_iface(struct wiphy *wiphy, 308 struct net_device *ndev, 309 enum nl80211_iftype type, 310 struct vif_params *params) 311 { 312 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 313 struct wireless_dev *wdev = wil_to_wdev(wil); 314 int rc; 315 316 wil_dbg_misc(wil, "change_iface: type=%d\n", type); 317 318 if (netif_running(wil_to_ndev(wil)) && !wil_is_recovery_blocked(wil)) { 319 wil_dbg_misc(wil, "interface is up. resetting...\n"); 320 mutex_lock(&wil->mutex); 321 __wil_down(wil); 322 rc = __wil_up(wil); 323 mutex_unlock(&wil->mutex); 324 325 if (rc) 326 return rc; 327 } 328 329 switch (type) { 330 case NL80211_IFTYPE_STATION: 331 case NL80211_IFTYPE_AP: 332 case NL80211_IFTYPE_P2P_CLIENT: 333 case NL80211_IFTYPE_P2P_GO: 334 break; 335 case NL80211_IFTYPE_MONITOR: 336 if (params->flags) 337 wil->monitor_flags = params->flags; 338 break; 339 default: 340 return -EOPNOTSUPP; 341 } 342 343 wdev->iftype = type; 344 345 return 0; 346 } 347 348 static int wil_cfg80211_scan(struct wiphy *wiphy, 349 struct cfg80211_scan_request *request) 350 { 351 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 352 struct wireless_dev *wdev = request->wdev; 353 struct { 354 struct wmi_start_scan_cmd cmd; 355 u16 chnl[4]; 356 } __packed cmd; 357 uint i, n; 358 int rc; 359 360 wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 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 mutex_lock(&wil->mutex); 379 380 mutex_lock(&wil->p2p_wdev_mutex); 381 if (wil->scan_request || wil->p2p.discovery_started) { 382 wil_err(wil, "Already scanning\n"); 383 mutex_unlock(&wil->p2p_wdev_mutex); 384 rc = -EAGAIN; 385 goto out; 386 } 387 mutex_unlock(&wil->p2p_wdev_mutex); 388 389 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { 390 if (!wil->p2p.p2p_dev_started) { 391 wil_err(wil, "P2P search requested on stopped P2P device\n"); 392 rc = -EIO; 393 goto out; 394 } 395 /* social scan on P2P_DEVICE is handled as p2p search */ 396 if (wil_p2p_is_social_scan(request)) { 397 wil->scan_request = request; 398 wil->radio_wdev = wdev; 399 rc = wil_p2p_search(wil, request); 400 if (rc) { 401 wil->radio_wdev = wil_to_wdev(wil); 402 wil->scan_request = NULL; 403 } 404 goto out; 405 } 406 } 407 408 (void)wil_p2p_stop_discovery(wil); 409 410 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); 411 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); 412 413 for (i = 0; i < request->n_ssids; i++) { 414 wil_dbg_misc(wil, "SSID[%d]", i); 415 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 416 request->ssids[i].ssid, 417 request->ssids[i].ssid_len, true); 418 } 419 420 if (request->n_ssids) 421 rc = wmi_set_ssid(wil, request->ssids[0].ssid_len, 422 request->ssids[0].ssid); 423 else 424 rc = wmi_set_ssid(wil, 0, NULL); 425 426 if (rc) { 427 wil_err(wil, "set SSID for scan request failed: %d\n", rc); 428 goto out; 429 } 430 431 wil->scan_request = request; 432 mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); 433 434 memset(&cmd, 0, sizeof(cmd)); 435 cmd.cmd.scan_type = WMI_ACTIVE_SCAN; 436 cmd.cmd.num_channels = 0; 437 n = min(request->n_channels, 4U); 438 for (i = 0; i < n; i++) { 439 int ch = request->channels[i]->hw_value; 440 441 if (ch == 0) { 442 wil_err(wil, 443 "Scan requested for unknown frequency %dMhz\n", 444 request->channels[i]->center_freq); 445 continue; 446 } 447 /* 0-based channel indexes */ 448 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; 449 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, 450 request->channels[i]->center_freq); 451 } 452 453 if (request->ie_len) 454 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1, 455 request->ie, request->ie_len, true); 456 else 457 wil_dbg_misc(wil, "Scan has no IE's\n"); 458 459 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); 460 if (rc) 461 goto out_restore; 462 463 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { 464 cmd.cmd.discovery_mode = 1; 465 wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); 466 } 467 468 wil->radio_wdev = wdev; 469 rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + 470 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); 471 472 out_restore: 473 if (rc) { 474 del_timer_sync(&wil->scan_timer); 475 wil->radio_wdev = wil_to_wdev(wil); 476 wil->scan_request = NULL; 477 } 478 out: 479 mutex_unlock(&wil->mutex); 480 return rc; 481 } 482 483 static void wil_cfg80211_abort_scan(struct wiphy *wiphy, 484 struct wireless_dev *wdev) 485 { 486 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 487 488 wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 489 490 mutex_lock(&wil->mutex); 491 mutex_lock(&wil->p2p_wdev_mutex); 492 493 if (!wil->scan_request) 494 goto out; 495 496 if (wdev != wil->scan_request->wdev) { 497 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n"); 498 goto out; 499 } 500 501 if (wil->radio_wdev == wil->p2p_wdev) 502 wil_p2p_stop_radio_operations(wil); 503 else 504 wil_abort_scan(wil, true); 505 506 out: 507 mutex_unlock(&wil->p2p_wdev_mutex); 508 mutex_unlock(&wil->mutex); 509 } 510 511 static void wil_print_crypto(struct wil6210_priv *wil, 512 struct cfg80211_crypto_settings *c) 513 { 514 int i, n; 515 516 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", 517 c->wpa_versions, c->cipher_group); 518 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); 519 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); 520 for (i = 0; i < n; i++) 521 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 522 c->ciphers_pairwise[i]); 523 wil_dbg_misc(wil, "}\n"); 524 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); 525 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); 526 for (i = 0; i < n; i++) 527 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 528 c->akm_suites[i]); 529 wil_dbg_misc(wil, "}\n"); 530 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", 531 c->control_port, be16_to_cpu(c->control_port_ethertype), 532 c->control_port_no_encrypt); 533 } 534 535 static void wil_print_connect_params(struct wil6210_priv *wil, 536 struct cfg80211_connect_params *sme) 537 { 538 wil_info(wil, "Connecting to:\n"); 539 if (sme->channel) { 540 wil_info(wil, " Channel: %d freq %d\n", 541 sme->channel->hw_value, sme->channel->center_freq); 542 } 543 if (sme->bssid) 544 wil_info(wil, " BSSID: %pM\n", sme->bssid); 545 if (sme->ssid) 546 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 547 16, 1, sme->ssid, sme->ssid_len, true); 548 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); 549 wil_info(wil, " PBSS: %d\n", sme->pbss); 550 wil_print_crypto(wil, &sme->crypto); 551 } 552 553 static int wil_cfg80211_connect(struct wiphy *wiphy, 554 struct net_device *ndev, 555 struct cfg80211_connect_params *sme) 556 { 557 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 558 struct cfg80211_bss *bss; 559 struct wmi_connect_cmd conn; 560 const u8 *ssid_eid; 561 const u8 *rsn_eid; 562 int ch; 563 int rc = 0; 564 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; 565 566 wil_dbg_misc(wil, "connect\n"); 567 wil_print_connect_params(wil, sme); 568 569 if (test_bit(wil_status_fwconnecting, wil->status) || 570 test_bit(wil_status_fwconnected, wil->status)) 571 return -EALREADY; 572 573 if (sme->ie_len > WMI_MAX_IE_LEN) { 574 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); 575 return -ERANGE; 576 } 577 578 rsn_eid = sme->ie ? 579 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : 580 NULL; 581 if (sme->privacy && !rsn_eid) 582 wil_info(wil, "WSC connection\n"); 583 584 if (sme->pbss) 585 bss_type = IEEE80211_BSS_TYPE_PBSS; 586 587 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, 588 sme->ssid, sme->ssid_len, 589 bss_type, IEEE80211_PRIVACY_ANY); 590 if (!bss) { 591 wil_err(wil, "Unable to find BSS\n"); 592 return -ENOENT; 593 } 594 595 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); 596 if (!ssid_eid) { 597 wil_err(wil, "No SSID\n"); 598 rc = -ENOENT; 599 goto out; 600 } 601 wil->privacy = sme->privacy; 602 wil->pbss = sme->pbss; 603 604 if (wil->privacy) { 605 /* For secure assoc, remove old keys */ 606 rc = wmi_del_cipher_key(wil, 0, bss->bssid, 607 WMI_KEY_USE_PAIRWISE); 608 if (rc) { 609 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); 610 goto out; 611 } 612 rc = wmi_del_cipher_key(wil, 0, bss->bssid, 613 WMI_KEY_USE_RX_GROUP); 614 if (rc) { 615 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); 616 goto out; 617 } 618 } 619 620 /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info 621 * elements. Send it also in case it's empty, to erase previously set 622 * ies in FW. 623 */ 624 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); 625 if (rc) 626 goto out; 627 628 /* WMI_CONNECT_CMD */ 629 memset(&conn, 0, sizeof(conn)); 630 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { 631 case WLAN_CAPABILITY_DMG_TYPE_AP: 632 conn.network_type = WMI_NETTYPE_INFRA; 633 break; 634 case WLAN_CAPABILITY_DMG_TYPE_PBSS: 635 conn.network_type = WMI_NETTYPE_P2P; 636 break; 637 default: 638 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", 639 bss->capability); 640 goto out; 641 } 642 if (wil->privacy) { 643 if (rsn_eid) { /* regular secure connection */ 644 conn.dot11_auth_mode = WMI_AUTH11_SHARED; 645 conn.auth_mode = WMI_AUTH_WPA2_PSK; 646 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; 647 conn.pairwise_crypto_len = 16; 648 conn.group_crypto_type = WMI_CRYPT_AES_GCMP; 649 conn.group_crypto_len = 16; 650 } else { /* WSC */ 651 conn.dot11_auth_mode = WMI_AUTH11_WSC; 652 conn.auth_mode = WMI_AUTH_NONE; 653 } 654 } else { /* insecure connection */ 655 conn.dot11_auth_mode = WMI_AUTH11_OPEN; 656 conn.auth_mode = WMI_AUTH_NONE; 657 } 658 659 conn.ssid_len = min_t(u8, ssid_eid[1], 32); 660 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); 661 662 ch = bss->channel->hw_value; 663 if (ch == 0) { 664 wil_err(wil, "BSS at unknown frequency %dMhz\n", 665 bss->channel->center_freq); 666 rc = -EOPNOTSUPP; 667 goto out; 668 } 669 conn.channel = ch - 1; 670 671 ether_addr_copy(conn.bssid, bss->bssid); 672 ether_addr_copy(conn.dst_mac, bss->bssid); 673 674 set_bit(wil_status_fwconnecting, wil->status); 675 676 rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); 677 if (rc == 0) { 678 netif_carrier_on(ndev); 679 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); 680 wil->bss = bss; 681 /* Connect can take lots of time */ 682 mod_timer(&wil->connect_timer, 683 jiffies + msecs_to_jiffies(2000)); 684 } else { 685 clear_bit(wil_status_fwconnecting, wil->status); 686 } 687 688 out: 689 cfg80211_put_bss(wiphy, bss); 690 691 return rc; 692 } 693 694 static int wil_cfg80211_disconnect(struct wiphy *wiphy, 695 struct net_device *ndev, 696 u16 reason_code) 697 { 698 int rc; 699 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 700 701 wil_dbg_misc(wil, "disconnect: reason=%d\n", reason_code); 702 703 if (!(test_bit(wil_status_fwconnecting, wil->status) || 704 test_bit(wil_status_fwconnected, wil->status))) { 705 wil_err(wil, "Disconnect was called while disconnected\n"); 706 return 0; 707 } 708 709 wil->locally_generated_disc = true; 710 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0, 711 WMI_DISCONNECT_EVENTID, NULL, 0, 712 WIL6210_DISCONNECT_TO_MS); 713 if (rc) 714 wil_err(wil, "disconnect error %d\n", rc); 715 716 return rc; 717 } 718 719 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 720 { 721 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 722 int rc; 723 724 /* these parameters are explicitly not supported */ 725 if (changed & (WIPHY_PARAM_RETRY_LONG | 726 WIPHY_PARAM_FRAG_THRESHOLD | 727 WIPHY_PARAM_RTS_THRESHOLD)) 728 return -ENOTSUPP; 729 730 if (changed & WIPHY_PARAM_RETRY_SHORT) { 731 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short); 732 if (rc) 733 return rc; 734 } 735 736 return 0; 737 } 738 739 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 740 struct cfg80211_mgmt_tx_params *params, 741 u64 *cookie) 742 { 743 const u8 *buf = params->buf; 744 size_t len = params->len; 745 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 746 int rc; 747 bool tx_status = false; 748 struct ieee80211_mgmt *mgmt_frame = (void *)buf; 749 struct wmi_sw_tx_req_cmd *cmd; 750 struct { 751 struct wmi_cmd_hdr wmi; 752 struct wmi_sw_tx_complete_event evt; 753 } __packed evt; 754 755 /* Note, currently we do not support the "wait" parameter, user-space 756 * must call remain_on_channel before mgmt_tx or listen on a channel 757 * another way (AP/PCP or connected station) 758 * in addition we need to check if specified "chan" argument is 759 * different from currently "listened" channel and fail if it is. 760 */ 761 762 wil_dbg_misc(wil, "mgmt_tx\n"); 763 wil_hex_dump_misc("mgmt tx frame ", DUMP_PREFIX_OFFSET, 16, 1, buf, 764 len, true); 765 766 cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL); 767 if (!cmd) { 768 rc = -ENOMEM; 769 goto out; 770 } 771 772 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); 773 cmd->len = cpu_to_le16(len); 774 memcpy(cmd->payload, buf, len); 775 776 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len, 777 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); 778 if (rc == 0) 779 tx_status = !evt.evt.status; 780 781 kfree(cmd); 782 out: 783 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, 784 tx_status, GFP_KERNEL); 785 return rc; 786 } 787 788 static int wil_cfg80211_set_channel(struct wiphy *wiphy, 789 struct cfg80211_chan_def *chandef) 790 { 791 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 792 struct wireless_dev *wdev = wil_to_wdev(wil); 793 794 wdev->preset_chandef = *chandef; 795 796 return 0; 797 } 798 799 static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil, 800 bool pairwise) 801 { 802 struct wireless_dev *wdev = wil_to_wdev(wil); 803 enum wmi_key_usage rc; 804 805 if (pairwise) { 806 rc = WMI_KEY_USE_PAIRWISE; 807 } else { 808 switch (wdev->iftype) { 809 case NL80211_IFTYPE_STATION: 810 case NL80211_IFTYPE_P2P_CLIENT: 811 rc = WMI_KEY_USE_RX_GROUP; 812 break; 813 case NL80211_IFTYPE_AP: 814 case NL80211_IFTYPE_P2P_GO: 815 rc = WMI_KEY_USE_TX_GROUP; 816 break; 817 default: 818 /* TODO: Rx GTK or Tx GTK? */ 819 wil_err(wil, "Can't determine GTK type\n"); 820 rc = WMI_KEY_USE_RX_GROUP; 821 break; 822 } 823 } 824 wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]); 825 826 return rc; 827 } 828 829 static struct wil_sta_info * 830 wil_find_sta_by_key_usage(struct wil6210_priv *wil, 831 enum wmi_key_usage key_usage, const u8 *mac_addr) 832 { 833 int cid = -EINVAL; 834 835 if (key_usage == WMI_KEY_USE_TX_GROUP) 836 return NULL; /* not needed */ 837 838 /* supplicant provides Rx group key in STA mode with NULL MAC address */ 839 if (mac_addr) 840 cid = wil_find_cid(wil, mac_addr); 841 else if (key_usage == WMI_KEY_USE_RX_GROUP) 842 cid = wil_find_cid_by_idx(wil, 0); 843 if (cid < 0) { 844 wil_err(wil, "No CID for %pM %s\n", mac_addr, 845 key_usage_str[key_usage]); 846 return ERR_PTR(cid); 847 } 848 849 return &wil->sta[cid]; 850 } 851 852 static void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, 853 struct wil_sta_info *cs, 854 struct key_params *params) 855 { 856 struct wil_tid_crypto_rx_single *cc; 857 int tid; 858 859 if (!cs) 860 return; 861 862 switch (key_usage) { 863 case WMI_KEY_USE_PAIRWISE: 864 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 865 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 866 if (params->seq) 867 memcpy(cc->pn, params->seq, 868 IEEE80211_GCMP_PN_LEN); 869 else 870 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 871 cc->key_set = true; 872 } 873 break; 874 case WMI_KEY_USE_RX_GROUP: 875 cc = &cs->group_crypto_rx.key_id[key_index]; 876 if (params->seq) 877 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); 878 else 879 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 880 cc->key_set = true; 881 break; 882 default: 883 break; 884 } 885 } 886 887 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, 888 struct wil_sta_info *cs) 889 { 890 struct wil_tid_crypto_rx_single *cc; 891 int tid; 892 893 if (!cs) 894 return; 895 896 switch (key_usage) { 897 case WMI_KEY_USE_PAIRWISE: 898 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 899 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 900 cc->key_set = false; 901 } 902 break; 903 case WMI_KEY_USE_RX_GROUP: 904 cc = &cs->group_crypto_rx.key_id[key_index]; 905 cc->key_set = false; 906 break; 907 default: 908 break; 909 } 910 } 911 912 static int wil_cfg80211_add_key(struct wiphy *wiphy, 913 struct net_device *ndev, 914 u8 key_index, bool pairwise, 915 const u8 *mac_addr, 916 struct key_params *params) 917 { 918 int rc; 919 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 920 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); 921 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, 922 mac_addr); 923 924 if (!params) { 925 wil_err(wil, "NULL params\n"); 926 return -EINVAL; 927 } 928 929 wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", 930 mac_addr, key_usage_str[key_usage], key_index, 931 params->seq_len, params->seq); 932 933 if (IS_ERR(cs)) { 934 wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n", 935 mac_addr, key_usage_str[key_usage], key_index, 936 params->seq_len, params->seq); 937 return -EINVAL; 938 } 939 940 wil_del_rx_key(key_index, key_usage, cs); 941 942 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { 943 wil_err(wil, 944 "Wrong PN len %d, %pM %s[%d] PN %*phN\n", 945 params->seq_len, mac_addr, 946 key_usage_str[key_usage], key_index, 947 params->seq_len, params->seq); 948 return -EINVAL; 949 } 950 951 rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len, 952 params->key, key_usage); 953 if (!rc) 954 wil_set_crypto_rx(key_index, key_usage, cs, params); 955 956 return rc; 957 } 958 959 static int wil_cfg80211_del_key(struct wiphy *wiphy, 960 struct net_device *ndev, 961 u8 key_index, bool pairwise, 962 const u8 *mac_addr) 963 { 964 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 965 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); 966 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, 967 mac_addr); 968 969 wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr, 970 key_usage_str[key_usage], key_index); 971 972 if (IS_ERR(cs)) 973 wil_info(wil, "Not connected, %pM %s[%d]\n", 974 mac_addr, key_usage_str[key_usage], key_index); 975 976 if (!IS_ERR_OR_NULL(cs)) 977 wil_del_rx_key(key_index, key_usage, cs); 978 979 return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage); 980 } 981 982 /* Need to be present or wiphy_new() will WARN */ 983 static int wil_cfg80211_set_default_key(struct wiphy *wiphy, 984 struct net_device *ndev, 985 u8 key_index, bool unicast, 986 bool multicast) 987 { 988 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 989 990 wil_dbg_misc(wil, "set_default_key: entered\n"); 991 return 0; 992 } 993 994 static int wil_remain_on_channel(struct wiphy *wiphy, 995 struct wireless_dev *wdev, 996 struct ieee80211_channel *chan, 997 unsigned int duration, 998 u64 *cookie) 999 { 1000 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1001 int rc; 1002 1003 wil_dbg_misc(wil, 1004 "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n", 1005 chan->center_freq, duration, wdev->iftype); 1006 1007 rc = wil_p2p_listen(wil, wdev, duration, chan, cookie); 1008 return rc; 1009 } 1010 1011 static int wil_cancel_remain_on_channel(struct wiphy *wiphy, 1012 struct wireless_dev *wdev, 1013 u64 cookie) 1014 { 1015 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1016 1017 wil_dbg_misc(wil, "cancel_remain_on_channel\n"); 1018 1019 return wil_p2p_cancel_listen(wil, cookie); 1020 } 1021 1022 /** 1023 * find a specific IE in a list of IEs 1024 * return a pointer to the beginning of IE in the list 1025 * or NULL if not found 1026 */ 1027 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, 1028 u16 ie_len) 1029 { 1030 struct ieee80211_vendor_ie *vie; 1031 u32 oui; 1032 1033 /* IE tag at offset 0, length at offset 1 */ 1034 if (ie_len < 2 || 2 + ie[1] > ie_len) 1035 return NULL; 1036 1037 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) 1038 return cfg80211_find_ie(ie[0], ies, ies_len); 1039 1040 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ 1041 if (ie[1] < 4) 1042 return NULL; 1043 vie = (struct ieee80211_vendor_ie *)ie; 1044 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; 1045 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, 1046 ies_len); 1047 } 1048 1049 /** 1050 * merge the IEs in two lists into a single list. 1051 * do not include IEs from the second list which exist in the first list. 1052 * add only vendor specific IEs from second list to keep 1053 * the merged list sorted (since vendor-specific IE has the 1054 * highest tag number) 1055 * caller must free the allocated memory for merged IEs 1056 */ 1057 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, 1058 const u8 *ies2, u16 ies2_len, 1059 u8 **merged_ies, u16 *merged_len) 1060 { 1061 u8 *buf, *dpos; 1062 const u8 *spos; 1063 1064 if (ies1_len == 0 && ies2_len == 0) { 1065 *merged_ies = NULL; 1066 *merged_len = 0; 1067 return 0; 1068 } 1069 1070 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); 1071 if (!buf) 1072 return -ENOMEM; 1073 memcpy(buf, ies1, ies1_len); 1074 dpos = buf + ies1_len; 1075 spos = ies2; 1076 while (spos + 1 < ies2 + ies2_len) { 1077 /* IE tag at offset 0, length at offset 1 */ 1078 u16 ielen = 2 + spos[1]; 1079 1080 if (spos + ielen > ies2 + ies2_len) 1081 break; 1082 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && 1083 !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) { 1084 memcpy(dpos, spos, ielen); 1085 dpos += ielen; 1086 } 1087 spos += ielen; 1088 } 1089 1090 *merged_ies = buf; 1091 *merged_len = dpos - buf; 1092 return 0; 1093 } 1094 1095 static void wil_print_bcon_data(struct cfg80211_beacon_data *b) 1096 { 1097 wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1, 1098 b->head, b->head_len, true); 1099 wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1, 1100 b->tail, b->tail_len, true); 1101 wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1, 1102 b->beacon_ies, b->beacon_ies_len, true); 1103 wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, 1104 b->probe_resp, b->probe_resp_len, true); 1105 wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1, 1106 b->proberesp_ies, b->proberesp_ies_len, true); 1107 wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1, 1108 b->assocresp_ies, b->assocresp_ies_len, true); 1109 } 1110 1111 /* internal functions for device reset and starting AP */ 1112 static int _wil_cfg80211_set_ies(struct wiphy *wiphy, 1113 struct cfg80211_beacon_data *bcon) 1114 { 1115 int rc; 1116 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1117 u16 len = 0, proberesp_len = 0; 1118 u8 *ies = NULL, *proberesp = NULL; 1119 1120 if (bcon->probe_resp) { 1121 struct ieee80211_mgmt *f = 1122 (struct ieee80211_mgmt *)bcon->probe_resp; 1123 size_t hlen = offsetof(struct ieee80211_mgmt, 1124 u.probe_resp.variable); 1125 proberesp = f->u.probe_resp.variable; 1126 proberesp_len = bcon->probe_resp_len - hlen; 1127 } 1128 rc = _wil_cfg80211_merge_extra_ies(proberesp, 1129 proberesp_len, 1130 bcon->proberesp_ies, 1131 bcon->proberesp_ies_len, 1132 &ies, &len); 1133 1134 if (rc) 1135 goto out; 1136 1137 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies); 1138 if (rc) 1139 goto out; 1140 1141 if (bcon->assocresp_ies) 1142 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, 1143 bcon->assocresp_ies_len, bcon->assocresp_ies); 1144 else 1145 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies); 1146 #if 0 /* to use beacon IE's, remove this #if 0 */ 1147 if (rc) 1148 goto out; 1149 1150 rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail); 1151 #endif 1152 out: 1153 kfree(ies); 1154 return rc; 1155 } 1156 1157 static int _wil_cfg80211_start_ap(struct wiphy *wiphy, 1158 struct net_device *ndev, 1159 const u8 *ssid, size_t ssid_len, u32 privacy, 1160 int bi, u8 chan, 1161 struct cfg80211_beacon_data *bcon, 1162 u8 hidden_ssid, u32 pbss) 1163 { 1164 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1165 int rc; 1166 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1167 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); 1168 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); 1169 1170 if (pbss) 1171 wmi_nettype = WMI_NETTYPE_P2P; 1172 1173 wil_dbg_misc(wil, "start_ap: is_go=%d\n", is_go); 1174 if (is_go && !pbss) { 1175 wil_err(wil, "P2P GO must be in PBSS\n"); 1176 return -ENOTSUPP; 1177 } 1178 1179 wil_set_recovery_state(wil, fw_recovery_idle); 1180 1181 mutex_lock(&wil->mutex); 1182 1183 __wil_down(wil); 1184 rc = __wil_up(wil); 1185 if (rc) 1186 goto out; 1187 1188 rc = wmi_set_ssid(wil, ssid_len, ssid); 1189 if (rc) 1190 goto out; 1191 1192 rc = _wil_cfg80211_set_ies(wiphy, bcon); 1193 if (rc) 1194 goto out; 1195 1196 wil->privacy = privacy; 1197 wil->channel = chan; 1198 wil->hidden_ssid = hidden_ssid; 1199 wil->pbss = pbss; 1200 1201 netif_carrier_on(ndev); 1202 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); 1203 1204 rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid, is_go); 1205 if (rc) 1206 goto err_pcp_start; 1207 1208 rc = wil_bcast_init(wil); 1209 if (rc) 1210 goto err_bcast; 1211 1212 goto out; /* success */ 1213 1214 err_bcast: 1215 wmi_pcp_stop(wil); 1216 err_pcp_start: 1217 netif_carrier_off(ndev); 1218 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1219 out: 1220 mutex_unlock(&wil->mutex); 1221 return rc; 1222 } 1223 1224 static int wil_cfg80211_change_beacon(struct wiphy *wiphy, 1225 struct net_device *ndev, 1226 struct cfg80211_beacon_data *bcon) 1227 { 1228 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1229 int rc; 1230 u32 privacy = 0; 1231 1232 wil_dbg_misc(wil, "change_beacon\n"); 1233 wil_print_bcon_data(bcon); 1234 1235 if (bcon->tail && 1236 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, 1237 bcon->tail_len)) 1238 privacy = 1; 1239 1240 /* in case privacy has changed, need to restart the AP */ 1241 if (wil->privacy != privacy) { 1242 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1243 1244 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", 1245 wil->privacy, privacy); 1246 1247 rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid, 1248 wdev->ssid_len, privacy, 1249 wdev->beacon_interval, 1250 wil->channel, bcon, 1251 wil->hidden_ssid, 1252 wil->pbss); 1253 } else { 1254 rc = _wil_cfg80211_set_ies(wiphy, bcon); 1255 } 1256 1257 return rc; 1258 } 1259 1260 static int wil_cfg80211_start_ap(struct wiphy *wiphy, 1261 struct net_device *ndev, 1262 struct cfg80211_ap_settings *info) 1263 { 1264 int rc; 1265 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1266 struct ieee80211_channel *channel = info->chandef.chan; 1267 struct cfg80211_beacon_data *bcon = &info->beacon; 1268 struct cfg80211_crypto_settings *crypto = &info->crypto; 1269 u8 hidden_ssid; 1270 1271 wil_dbg_misc(wil, "start_ap\n"); 1272 1273 if (!channel) { 1274 wil_err(wil, "AP: No channel???\n"); 1275 return -EINVAL; 1276 } 1277 1278 switch (info->hidden_ssid) { 1279 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1280 hidden_ssid = WMI_HIDDEN_SSID_DISABLED; 1281 break; 1282 1283 case NL80211_HIDDEN_SSID_ZERO_LEN: 1284 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; 1285 break; 1286 1287 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1288 hidden_ssid = WMI_HIDDEN_SSID_CLEAR; 1289 break; 1290 1291 default: 1292 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); 1293 return -EOPNOTSUPP; 1294 } 1295 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, 1296 channel->center_freq, info->privacy ? "secure" : "open"); 1297 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", 1298 info->privacy, info->auth_type); 1299 wil_dbg_misc(wil, "Hidden SSID mode: %d\n", 1300 info->hidden_ssid); 1301 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, 1302 info->dtim_period); 1303 wil_dbg_misc(wil, "PBSS %d\n", info->pbss); 1304 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 1305 info->ssid, info->ssid_len, true); 1306 wil_print_bcon_data(bcon); 1307 wil_print_crypto(wil, crypto); 1308 1309 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1310 info->ssid, info->ssid_len, info->privacy, 1311 info->beacon_interval, channel->hw_value, 1312 bcon, hidden_ssid, info->pbss); 1313 1314 return rc; 1315 } 1316 1317 static int wil_cfg80211_stop_ap(struct wiphy *wiphy, 1318 struct net_device *ndev) 1319 { 1320 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1321 1322 wil_dbg_misc(wil, "stop_ap\n"); 1323 1324 netif_carrier_off(ndev); 1325 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1326 wil_set_recovery_state(wil, fw_recovery_idle); 1327 1328 mutex_lock(&wil->mutex); 1329 1330 wmi_pcp_stop(wil); 1331 1332 __wil_down(wil); 1333 1334 mutex_unlock(&wil->mutex); 1335 1336 return 0; 1337 } 1338 1339 static int wil_cfg80211_add_station(struct wiphy *wiphy, 1340 struct net_device *dev, 1341 const u8 *mac, 1342 struct station_parameters *params) 1343 { 1344 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1345 1346 wil_dbg_misc(wil, "add station %pM aid %d\n", mac, params->aid); 1347 1348 if (!disable_ap_sme) { 1349 wil_err(wil, "not supported with AP SME enabled\n"); 1350 return -EOPNOTSUPP; 1351 } 1352 1353 if (params->aid > WIL_MAX_DMG_AID) { 1354 wil_err(wil, "invalid aid\n"); 1355 return -EINVAL; 1356 } 1357 1358 return wmi_new_sta(wil, mac, params->aid); 1359 } 1360 1361 static int wil_cfg80211_del_station(struct wiphy *wiphy, 1362 struct net_device *dev, 1363 struct station_del_parameters *params) 1364 { 1365 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1366 1367 wil_dbg_misc(wil, "del_station: %pM, reason=%d\n", params->mac, 1368 params->reason_code); 1369 1370 mutex_lock(&wil->mutex); 1371 wil6210_disconnect(wil, params->mac, params->reason_code, false); 1372 mutex_unlock(&wil->mutex); 1373 1374 return 0; 1375 } 1376 1377 static int wil_cfg80211_change_station(struct wiphy *wiphy, 1378 struct net_device *dev, 1379 const u8 *mac, 1380 struct station_parameters *params) 1381 { 1382 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1383 int authorize; 1384 int cid, i; 1385 struct vring_tx_data *txdata = NULL; 1386 1387 wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x\n", mac, 1388 params->sta_flags_mask, params->sta_flags_set); 1389 1390 if (!disable_ap_sme) { 1391 wil_dbg_misc(wil, "not supported with AP SME enabled\n"); 1392 return -EOPNOTSUPP; 1393 } 1394 1395 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 1396 return 0; 1397 1398 cid = wil_find_cid(wil, mac); 1399 if (cid < 0) { 1400 wil_err(wil, "station not found\n"); 1401 return -ENOLINK; 1402 } 1403 1404 for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) 1405 if (wil->vring2cid_tid[i][0] == cid) { 1406 txdata = &wil->vring_tx_data[i]; 1407 break; 1408 } 1409 1410 if (!txdata) { 1411 wil_err(wil, "vring data not found\n"); 1412 return -ENOLINK; 1413 } 1414 1415 authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); 1416 txdata->dot1x_open = authorize ? 1 : 0; 1417 wil_dbg_misc(wil, "cid %d vring %d authorize %d\n", cid, i, 1418 txdata->dot1x_open); 1419 1420 return 0; 1421 } 1422 1423 /* probe_client handling */ 1424 static void wil_probe_client_handle(struct wil6210_priv *wil, 1425 struct wil_probe_client_req *req) 1426 { 1427 struct net_device *ndev = wil_to_ndev(wil); 1428 struct wil_sta_info *sta = &wil->sta[req->cid]; 1429 /* assume STA is alive if it is still connected, 1430 * else FW will disconnect it 1431 */ 1432 bool alive = (sta->status == wil_sta_connected); 1433 1434 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL); 1435 } 1436 1437 static struct list_head *next_probe_client(struct wil6210_priv *wil) 1438 { 1439 struct list_head *ret = NULL; 1440 1441 mutex_lock(&wil->probe_client_mutex); 1442 1443 if (!list_empty(&wil->probe_client_pending)) { 1444 ret = wil->probe_client_pending.next; 1445 list_del(ret); 1446 } 1447 1448 mutex_unlock(&wil->probe_client_mutex); 1449 1450 return ret; 1451 } 1452 1453 void wil_probe_client_worker(struct work_struct *work) 1454 { 1455 struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 1456 probe_client_worker); 1457 struct wil_probe_client_req *req; 1458 struct list_head *lh; 1459 1460 while ((lh = next_probe_client(wil)) != NULL) { 1461 req = list_entry(lh, struct wil_probe_client_req, list); 1462 1463 wil_probe_client_handle(wil, req); 1464 kfree(req); 1465 } 1466 } 1467 1468 void wil_probe_client_flush(struct wil6210_priv *wil) 1469 { 1470 struct wil_probe_client_req *req, *t; 1471 1472 wil_dbg_misc(wil, "probe_client_flush\n"); 1473 1474 mutex_lock(&wil->probe_client_mutex); 1475 1476 list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) { 1477 list_del(&req->list); 1478 kfree(req); 1479 } 1480 1481 mutex_unlock(&wil->probe_client_mutex); 1482 } 1483 1484 static int wil_cfg80211_probe_client(struct wiphy *wiphy, 1485 struct net_device *dev, 1486 const u8 *peer, u64 *cookie) 1487 { 1488 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1489 struct wil_probe_client_req *req; 1490 int cid = wil_find_cid(wil, peer); 1491 1492 wil_dbg_misc(wil, "probe_client: %pM => CID %d\n", peer, cid); 1493 1494 if (cid < 0) 1495 return -ENOLINK; 1496 1497 req = kzalloc(sizeof(*req), GFP_KERNEL); 1498 if (!req) 1499 return -ENOMEM; 1500 1501 req->cid = cid; 1502 req->cookie = cid; 1503 1504 mutex_lock(&wil->probe_client_mutex); 1505 list_add_tail(&req->list, &wil->probe_client_pending); 1506 mutex_unlock(&wil->probe_client_mutex); 1507 1508 *cookie = req->cookie; 1509 queue_work(wil->wq_service, &wil->probe_client_worker); 1510 return 0; 1511 } 1512 1513 static int wil_cfg80211_change_bss(struct wiphy *wiphy, 1514 struct net_device *dev, 1515 struct bss_parameters *params) 1516 { 1517 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1518 1519 if (params->ap_isolate >= 0) { 1520 wil_dbg_misc(wil, "change_bss: ap_isolate %d => %d\n", 1521 wil->ap_isolate, params->ap_isolate); 1522 wil->ap_isolate = params->ap_isolate; 1523 } 1524 1525 return 0; 1526 } 1527 1528 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy, 1529 struct wireless_dev *wdev) 1530 { 1531 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1532 1533 wil_dbg_misc(wil, "start_p2p_device: entered\n"); 1534 wil->p2p.p2p_dev_started = 1; 1535 return 0; 1536 } 1537 1538 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy, 1539 struct wireless_dev *wdev) 1540 { 1541 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1542 struct wil_p2p_info *p2p = &wil->p2p; 1543 1544 if (!p2p->p2p_dev_started) 1545 return; 1546 1547 wil_dbg_misc(wil, "stop_p2p_device: entered\n"); 1548 mutex_lock(&wil->mutex); 1549 mutex_lock(&wil->p2p_wdev_mutex); 1550 wil_p2p_stop_radio_operations(wil); 1551 p2p->p2p_dev_started = 0; 1552 mutex_unlock(&wil->p2p_wdev_mutex); 1553 mutex_unlock(&wil->mutex); 1554 } 1555 1556 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1557 struct net_device *dev, 1558 bool enabled, int timeout) 1559 { 1560 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1561 enum wmi_ps_profile_type ps_profile; 1562 1563 wil_dbg_misc(wil, "enabled=%d, timeout=%d\n", 1564 enabled, timeout); 1565 1566 if (enabled) 1567 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; 1568 else 1569 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED; 1570 1571 return wil_ps_update(wil, ps_profile); 1572 } 1573 1574 static const struct cfg80211_ops wil_cfg80211_ops = { 1575 .add_virtual_intf = wil_cfg80211_add_iface, 1576 .del_virtual_intf = wil_cfg80211_del_iface, 1577 .scan = wil_cfg80211_scan, 1578 .abort_scan = wil_cfg80211_abort_scan, 1579 .connect = wil_cfg80211_connect, 1580 .disconnect = wil_cfg80211_disconnect, 1581 .set_wiphy_params = wil_cfg80211_set_wiphy_params, 1582 .change_virtual_intf = wil_cfg80211_change_iface, 1583 .get_station = wil_cfg80211_get_station, 1584 .dump_station = wil_cfg80211_dump_station, 1585 .remain_on_channel = wil_remain_on_channel, 1586 .cancel_remain_on_channel = wil_cancel_remain_on_channel, 1587 .mgmt_tx = wil_cfg80211_mgmt_tx, 1588 .set_monitor_channel = wil_cfg80211_set_channel, 1589 .add_key = wil_cfg80211_add_key, 1590 .del_key = wil_cfg80211_del_key, 1591 .set_default_key = wil_cfg80211_set_default_key, 1592 /* AP mode */ 1593 .change_beacon = wil_cfg80211_change_beacon, 1594 .start_ap = wil_cfg80211_start_ap, 1595 .stop_ap = wil_cfg80211_stop_ap, 1596 .add_station = wil_cfg80211_add_station, 1597 .del_station = wil_cfg80211_del_station, 1598 .change_station = wil_cfg80211_change_station, 1599 .probe_client = wil_cfg80211_probe_client, 1600 .change_bss = wil_cfg80211_change_bss, 1601 /* P2P device */ 1602 .start_p2p_device = wil_cfg80211_start_p2p_device, 1603 .stop_p2p_device = wil_cfg80211_stop_p2p_device, 1604 .set_power_mgmt = wil_cfg80211_set_power_mgmt, 1605 }; 1606 1607 static void wil_wiphy_init(struct wiphy *wiphy) 1608 { 1609 wiphy->max_scan_ssids = 1; 1610 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 1611 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; 1612 wiphy->max_num_pmkids = 0 /* TODO: */; 1613 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 1614 BIT(NL80211_IFTYPE_AP) | 1615 BIT(NL80211_IFTYPE_P2P_CLIENT) | 1616 BIT(NL80211_IFTYPE_P2P_GO) | 1617 BIT(NL80211_IFTYPE_P2P_DEVICE) | 1618 BIT(NL80211_IFTYPE_MONITOR); 1619 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 1620 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 1621 WIPHY_FLAG_PS_ON_BY_DEFAULT; 1622 if (!disable_ap_sme) 1623 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; 1624 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", 1625 __func__, wiphy->flags); 1626 wiphy->probe_resp_offload = 1627 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 1628 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 1629 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 1630 1631 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; 1632 1633 /* TODO: figure this out */ 1634 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 1635 1636 wiphy->cipher_suites = wil_cipher_suites; 1637 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); 1638 wiphy->mgmt_stypes = wil_mgmt_stypes; 1639 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 1640 } 1641 1642 struct wireless_dev *wil_cfg80211_init(struct device *dev) 1643 { 1644 int rc = 0; 1645 struct wireless_dev *wdev; 1646 1647 dev_dbg(dev, "%s()\n", __func__); 1648 1649 wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); 1650 if (!wdev) 1651 return ERR_PTR(-ENOMEM); 1652 1653 wdev->wiphy = wiphy_new(&wil_cfg80211_ops, 1654 sizeof(struct wil6210_priv)); 1655 if (!wdev->wiphy) { 1656 rc = -ENOMEM; 1657 goto out; 1658 } 1659 1660 set_wiphy_dev(wdev->wiphy, dev); 1661 wil_wiphy_init(wdev->wiphy); 1662 1663 return wdev; 1664 1665 out: 1666 kfree(wdev); 1667 1668 return ERR_PTR(rc); 1669 } 1670 1671 void wil_wdev_free(struct wil6210_priv *wil) 1672 { 1673 struct wireless_dev *wdev = wil_to_wdev(wil); 1674 1675 dev_dbg(wil_to_dev(wil), "%s()\n", __func__); 1676 1677 if (!wdev) 1678 return; 1679 1680 wiphy_free(wdev->wiphy); 1681 kfree(wdev); 1682 } 1683 1684 void wil_p2p_wdev_free(struct wil6210_priv *wil) 1685 { 1686 struct wireless_dev *p2p_wdev; 1687 1688 mutex_lock(&wil->p2p_wdev_mutex); 1689 p2p_wdev = wil->p2p_wdev; 1690 wil->p2p_wdev = NULL; 1691 wil->radio_wdev = wil_to_wdev(wil); 1692 mutex_unlock(&wil->p2p_wdev_mutex); 1693 if (p2p_wdev) { 1694 cfg80211_unregister_wdev(p2p_wdev); 1695 kfree(p2p_wdev); 1696 } 1697 } 1698