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_MCS | RATE_INFO_FLAGS_60G; 182 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); 183 sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; 184 sinfo->rxrate.mcs = stats->last_mcs_rx; 185 sinfo->rx_bytes = stats->rx_bytes; 186 sinfo->rx_packets = stats->rx_packets; 187 sinfo->rx_dropped_misc = stats->rx_dropped; 188 sinfo->tx_bytes = stats->tx_bytes; 189 sinfo->tx_packets = stats->tx_packets; 190 sinfo->tx_failed = stats->tx_errors; 191 192 if (test_bit(wil_status_fwconnected, wil->status)) { 193 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); 194 sinfo->signal = reply.evt.sqi; 195 } 196 197 return rc; 198 } 199 200 static int wil_cfg80211_get_station(struct wiphy *wiphy, 201 struct net_device *ndev, 202 const u8 *mac, struct station_info *sinfo) 203 { 204 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 205 int rc; 206 207 int cid = wil_find_cid(wil, mac); 208 209 wil_dbg_misc(wil, "get_station: %pM CID %d\n", mac, cid); 210 if (cid < 0) 211 return cid; 212 213 rc = wil_cid_fill_sinfo(wil, cid, sinfo); 214 215 return rc; 216 } 217 218 /* 219 * Find @idx-th active STA for station dump. 220 */ 221 static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx) 222 { 223 int i; 224 225 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 226 if (wil->sta[i].status == wil_sta_unused) 227 continue; 228 if (idx == 0) 229 return i; 230 idx--; 231 } 232 233 return -ENOENT; 234 } 235 236 static int wil_cfg80211_dump_station(struct wiphy *wiphy, 237 struct net_device *dev, int idx, 238 u8 *mac, struct station_info *sinfo) 239 { 240 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 241 int rc; 242 int cid = wil_find_cid_by_idx(wil, idx); 243 244 if (cid < 0) 245 return -ENOENT; 246 247 ether_addr_copy(mac, wil->sta[cid].addr); 248 wil_dbg_misc(wil, "dump_station: %pM CID %d\n", mac, cid); 249 250 rc = wil_cid_fill_sinfo(wil, cid, sinfo); 251 252 return rc; 253 } 254 255 static struct wireless_dev * 256 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name, 257 unsigned char name_assign_type, 258 enum nl80211_iftype type, 259 u32 *flags, struct vif_params *params) 260 { 261 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 262 struct net_device *ndev = wil_to_ndev(wil); 263 struct wireless_dev *p2p_wdev; 264 265 wil_dbg_misc(wil, "add_iface\n"); 266 267 if (type != NL80211_IFTYPE_P2P_DEVICE) { 268 wil_err(wil, "unsupported iftype %d\n", type); 269 return ERR_PTR(-EINVAL); 270 } 271 272 if (wil->p2p_wdev) { 273 wil_err(wil, "P2P_DEVICE interface already created\n"); 274 return ERR_PTR(-EINVAL); 275 } 276 277 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL); 278 if (!p2p_wdev) 279 return ERR_PTR(-ENOMEM); 280 281 p2p_wdev->iftype = type; 282 p2p_wdev->wiphy = wiphy; 283 /* use our primary ethernet address */ 284 ether_addr_copy(p2p_wdev->address, ndev->perm_addr); 285 286 wil->p2p_wdev = p2p_wdev; 287 288 return p2p_wdev; 289 } 290 291 static int wil_cfg80211_del_iface(struct wiphy *wiphy, 292 struct wireless_dev *wdev) 293 { 294 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 295 296 wil_dbg_misc(wil, "del_iface\n"); 297 298 if (wdev != wil->p2p_wdev) { 299 wil_err(wil, "delete of incorrect interface 0x%p\n", wdev); 300 return -EINVAL; 301 } 302 303 wil_p2p_wdev_free(wil); 304 305 return 0; 306 } 307 308 static int wil_cfg80211_change_iface(struct wiphy *wiphy, 309 struct net_device *ndev, 310 enum nl80211_iftype type, u32 *flags, 311 struct vif_params *params) 312 { 313 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 314 struct wireless_dev *wdev = wil_to_wdev(wil); 315 int rc; 316 317 wil_dbg_misc(wil, "change_iface: type=%d\n", type); 318 319 if (netif_running(wil_to_ndev(wil)) && !wil_is_recovery_blocked(wil)) { 320 wil_dbg_misc(wil, "interface is up. resetting...\n"); 321 mutex_lock(&wil->mutex); 322 __wil_down(wil); 323 rc = __wil_up(wil); 324 mutex_unlock(&wil->mutex); 325 326 if (rc) 327 return rc; 328 } 329 330 switch (type) { 331 case NL80211_IFTYPE_STATION: 332 case NL80211_IFTYPE_AP: 333 case NL80211_IFTYPE_P2P_CLIENT: 334 case NL80211_IFTYPE_P2P_GO: 335 break; 336 case NL80211_IFTYPE_MONITOR: 337 if (flags) 338 wil->monitor_flags = *flags; 339 else 340 wil->monitor_flags = 0; 341 342 break; 343 default: 344 return -EOPNOTSUPP; 345 } 346 347 wdev->iftype = type; 348 349 return 0; 350 } 351 352 static int wil_cfg80211_scan(struct wiphy *wiphy, 353 struct cfg80211_scan_request *request) 354 { 355 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 356 struct wireless_dev *wdev = request->wdev; 357 struct { 358 struct wmi_start_scan_cmd cmd; 359 u16 chnl[4]; 360 } __packed cmd; 361 uint i, n; 362 int rc; 363 364 wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 365 366 /* check we are client side */ 367 switch (wdev->iftype) { 368 case NL80211_IFTYPE_STATION: 369 case NL80211_IFTYPE_P2P_CLIENT: 370 case NL80211_IFTYPE_P2P_DEVICE: 371 break; 372 default: 373 return -EOPNOTSUPP; 374 } 375 376 /* FW don't support scan after connection attempt */ 377 if (test_bit(wil_status_dontscan, wil->status)) { 378 wil_err(wil, "Can't scan now\n"); 379 return -EBUSY; 380 } 381 382 mutex_lock(&wil->mutex); 383 384 mutex_lock(&wil->p2p_wdev_mutex); 385 if (wil->scan_request || wil->p2p.discovery_started) { 386 wil_err(wil, "Already scanning\n"); 387 mutex_unlock(&wil->p2p_wdev_mutex); 388 rc = -EAGAIN; 389 goto out; 390 } 391 mutex_unlock(&wil->p2p_wdev_mutex); 392 393 /* social scan on P2P_DEVICE is handled as p2p search */ 394 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE && 395 wil_p2p_is_social_scan(request)) { 396 if (!wil->p2p.p2p_dev_started) { 397 wil_err(wil, "P2P search requested on stopped P2P device\n"); 398 rc = -EIO; 399 goto out; 400 } 401 wil->scan_request = request; 402 wil->radio_wdev = wdev; 403 rc = wil_p2p_search(wil, request); 404 if (rc) { 405 wil->radio_wdev = wil_to_wdev(wil); 406 wil->scan_request = NULL; 407 } 408 goto out; 409 } 410 411 (void)wil_p2p_stop_discovery(wil); 412 413 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); 414 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); 415 416 for (i = 0; i < request->n_ssids; i++) { 417 wil_dbg_misc(wil, "SSID[%d]", i); 418 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, 419 request->ssids[i].ssid, 420 request->ssids[i].ssid_len); 421 } 422 423 if (request->n_ssids) 424 rc = wmi_set_ssid(wil, request->ssids[0].ssid_len, 425 request->ssids[0].ssid); 426 else 427 rc = wmi_set_ssid(wil, 0, NULL); 428 429 if (rc) { 430 wil_err(wil, "set SSID for scan request failed: %d\n", rc); 431 goto out; 432 } 433 434 wil->scan_request = request; 435 mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); 436 437 memset(&cmd, 0, sizeof(cmd)); 438 cmd.cmd.scan_type = WMI_ACTIVE_SCAN; 439 cmd.cmd.num_channels = 0; 440 n = min(request->n_channels, 4U); 441 for (i = 0; i < n; i++) { 442 int ch = request->channels[i]->hw_value; 443 444 if (ch == 0) { 445 wil_err(wil, 446 "Scan requested for unknown frequency %dMhz\n", 447 request->channels[i]->center_freq); 448 continue; 449 } 450 /* 0-based channel indexes */ 451 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; 452 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, 453 request->channels[i]->center_freq); 454 } 455 456 if (request->ie_len) 457 print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET, 458 request->ie, request->ie_len); 459 else 460 wil_dbg_misc(wil, "Scan has no IE's\n"); 461 462 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); 463 if (rc) 464 goto out_restore; 465 466 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { 467 cmd.cmd.discovery_mode = 1; 468 wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); 469 } 470 471 wil->radio_wdev = wdev; 472 rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + 473 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); 474 475 out_restore: 476 if (rc) { 477 del_timer_sync(&wil->scan_timer); 478 wil->radio_wdev = wil_to_wdev(wil); 479 wil->scan_request = NULL; 480 } 481 out: 482 mutex_unlock(&wil->mutex); 483 return rc; 484 } 485 486 static void wil_cfg80211_abort_scan(struct wiphy *wiphy, 487 struct wireless_dev *wdev) 488 { 489 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 490 491 wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 492 493 mutex_lock(&wil->mutex); 494 mutex_lock(&wil->p2p_wdev_mutex); 495 496 if (!wil->scan_request) 497 goto out; 498 499 if (wdev != wil->scan_request->wdev) { 500 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n"); 501 goto out; 502 } 503 504 if (wil->radio_wdev == wil->p2p_wdev) 505 wil_p2p_stop_radio_operations(wil); 506 else 507 wil_abort_scan(wil, true); 508 509 out: 510 mutex_unlock(&wil->p2p_wdev_mutex); 511 mutex_unlock(&wil->mutex); 512 } 513 514 static void wil_print_crypto(struct wil6210_priv *wil, 515 struct cfg80211_crypto_settings *c) 516 { 517 int i, n; 518 519 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", 520 c->wpa_versions, c->cipher_group); 521 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); 522 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); 523 for (i = 0; i < n; i++) 524 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 525 c->ciphers_pairwise[i]); 526 wil_dbg_misc(wil, "}\n"); 527 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); 528 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); 529 for (i = 0; i < n; i++) 530 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 531 c->akm_suites[i]); 532 wil_dbg_misc(wil, "}\n"); 533 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", 534 c->control_port, be16_to_cpu(c->control_port_ethertype), 535 c->control_port_no_encrypt); 536 } 537 538 static void wil_print_connect_params(struct wil6210_priv *wil, 539 struct cfg80211_connect_params *sme) 540 { 541 wil_info(wil, "Connecting to:\n"); 542 if (sme->channel) { 543 wil_info(wil, " Channel: %d freq %d\n", 544 sme->channel->hw_value, sme->channel->center_freq); 545 } 546 if (sme->bssid) 547 wil_info(wil, " BSSID: %pM\n", sme->bssid); 548 if (sme->ssid) 549 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 550 16, 1, sme->ssid, sme->ssid_len, true); 551 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); 552 wil_info(wil, " PBSS: %d\n", sme->pbss); 553 wil_print_crypto(wil, &sme->crypto); 554 } 555 556 static int wil_cfg80211_connect(struct wiphy *wiphy, 557 struct net_device *ndev, 558 struct cfg80211_connect_params *sme) 559 { 560 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 561 struct cfg80211_bss *bss; 562 struct wmi_connect_cmd conn; 563 const u8 *ssid_eid; 564 const u8 *rsn_eid; 565 int ch; 566 int rc = 0; 567 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; 568 569 wil_dbg_misc(wil, "connect\n"); 570 wil_print_connect_params(wil, sme); 571 572 if (test_bit(wil_status_fwconnecting, wil->status) || 573 test_bit(wil_status_fwconnected, wil->status)) 574 return -EALREADY; 575 576 if (sme->ie_len > WMI_MAX_IE_LEN) { 577 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); 578 return -ERANGE; 579 } 580 581 rsn_eid = sme->ie ? 582 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : 583 NULL; 584 if (sme->privacy && !rsn_eid) 585 wil_info(wil, "WSC connection\n"); 586 587 if (sme->pbss) 588 bss_type = IEEE80211_BSS_TYPE_PBSS; 589 590 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, 591 sme->ssid, sme->ssid_len, 592 bss_type, IEEE80211_PRIVACY_ANY); 593 if (!bss) { 594 wil_err(wil, "Unable to find BSS\n"); 595 return -ENOENT; 596 } 597 598 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); 599 if (!ssid_eid) { 600 wil_err(wil, "No SSID\n"); 601 rc = -ENOENT; 602 goto out; 603 } 604 wil->privacy = sme->privacy; 605 wil->pbss = sme->pbss; 606 607 if (wil->privacy) { 608 /* For secure assoc, remove old keys */ 609 rc = wmi_del_cipher_key(wil, 0, bss->bssid, 610 WMI_KEY_USE_PAIRWISE); 611 if (rc) { 612 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); 613 goto out; 614 } 615 rc = wmi_del_cipher_key(wil, 0, bss->bssid, 616 WMI_KEY_USE_RX_GROUP); 617 if (rc) { 618 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); 619 goto out; 620 } 621 } 622 623 /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info 624 * elements. Send it also in case it's empty, to erase previously set 625 * ies in FW. 626 */ 627 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); 628 if (rc) 629 goto out; 630 631 /* WMI_CONNECT_CMD */ 632 memset(&conn, 0, sizeof(conn)); 633 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { 634 case WLAN_CAPABILITY_DMG_TYPE_AP: 635 conn.network_type = WMI_NETTYPE_INFRA; 636 break; 637 case WLAN_CAPABILITY_DMG_TYPE_PBSS: 638 conn.network_type = WMI_NETTYPE_P2P; 639 break; 640 default: 641 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", 642 bss->capability); 643 goto out; 644 } 645 if (wil->privacy) { 646 if (rsn_eid) { /* regular secure connection */ 647 conn.dot11_auth_mode = WMI_AUTH11_SHARED; 648 conn.auth_mode = WMI_AUTH_WPA2_PSK; 649 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; 650 conn.pairwise_crypto_len = 16; 651 conn.group_crypto_type = WMI_CRYPT_AES_GCMP; 652 conn.group_crypto_len = 16; 653 } else { /* WSC */ 654 conn.dot11_auth_mode = WMI_AUTH11_WSC; 655 conn.auth_mode = WMI_AUTH_NONE; 656 } 657 } else { /* insecure connection */ 658 conn.dot11_auth_mode = WMI_AUTH11_OPEN; 659 conn.auth_mode = WMI_AUTH_NONE; 660 } 661 662 conn.ssid_len = min_t(u8, ssid_eid[1], 32); 663 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); 664 665 ch = bss->channel->hw_value; 666 if (ch == 0) { 667 wil_err(wil, "BSS at unknown frequency %dMhz\n", 668 bss->channel->center_freq); 669 rc = -EOPNOTSUPP; 670 goto out; 671 } 672 conn.channel = ch - 1; 673 674 ether_addr_copy(conn.bssid, bss->bssid); 675 ether_addr_copy(conn.dst_mac, bss->bssid); 676 677 set_bit(wil_status_fwconnecting, wil->status); 678 679 rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); 680 if (rc == 0) { 681 netif_carrier_on(ndev); 682 /* Connect can take lots of time */ 683 mod_timer(&wil->connect_timer, 684 jiffies + msecs_to_jiffies(2000)); 685 } else { 686 clear_bit(wil_status_fwconnecting, wil->status); 687 } 688 689 out: 690 cfg80211_put_bss(wiphy, bss); 691 692 return rc; 693 } 694 695 static int wil_cfg80211_disconnect(struct wiphy *wiphy, 696 struct net_device *ndev, 697 u16 reason_code) 698 { 699 int rc; 700 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 701 702 wil_dbg_misc(wil, "disconnect: reason=%d\n", reason_code); 703 704 if (!(test_bit(wil_status_fwconnecting, wil->status) || 705 test_bit(wil_status_fwconnected, wil->status))) { 706 wil_err(wil, "Disconnect was called while disconnected\n"); 707 return 0; 708 } 709 710 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 print_hex_dump_bytes("mgmt tx frame ", DUMP_PREFIX_OFFSET, buf, len); 764 765 cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL); 766 if (!cmd) { 767 rc = -ENOMEM; 768 goto out; 769 } 770 771 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); 772 cmd->len = cpu_to_le16(len); 773 memcpy(cmd->payload, buf, len); 774 775 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len, 776 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); 777 if (rc == 0) 778 tx_status = !evt.evt.status; 779 780 kfree(cmd); 781 out: 782 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, 783 tx_status, GFP_KERNEL); 784 return rc; 785 } 786 787 static int wil_cfg80211_set_channel(struct wiphy *wiphy, 788 struct cfg80211_chan_def *chandef) 789 { 790 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 791 struct wireless_dev *wdev = wil_to_wdev(wil); 792 793 wdev->preset_chandef = *chandef; 794 795 return 0; 796 } 797 798 static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil, 799 bool pairwise) 800 { 801 struct wireless_dev *wdev = wil_to_wdev(wil); 802 enum wmi_key_usage rc; 803 804 if (pairwise) { 805 rc = WMI_KEY_USE_PAIRWISE; 806 } else { 807 switch (wdev->iftype) { 808 case NL80211_IFTYPE_STATION: 809 case NL80211_IFTYPE_P2P_CLIENT: 810 rc = WMI_KEY_USE_RX_GROUP; 811 break; 812 case NL80211_IFTYPE_AP: 813 case NL80211_IFTYPE_P2P_GO: 814 rc = WMI_KEY_USE_TX_GROUP; 815 break; 816 default: 817 /* TODO: Rx GTK or Tx GTK? */ 818 wil_err(wil, "Can't determine GTK type\n"); 819 rc = WMI_KEY_USE_RX_GROUP; 820 break; 821 } 822 } 823 wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]); 824 825 return rc; 826 } 827 828 static struct wil_sta_info * 829 wil_find_sta_by_key_usage(struct wil6210_priv *wil, 830 enum wmi_key_usage key_usage, const u8 *mac_addr) 831 { 832 int cid = -EINVAL; 833 834 if (key_usage == WMI_KEY_USE_TX_GROUP) 835 return NULL; /* not needed */ 836 837 /* supplicant provides Rx group key in STA mode with NULL MAC address */ 838 if (mac_addr) 839 cid = wil_find_cid(wil, mac_addr); 840 else if (key_usage == WMI_KEY_USE_RX_GROUP) 841 cid = wil_find_cid_by_idx(wil, 0); 842 if (cid < 0) { 843 wil_err(wil, "No CID for %pM %s\n", mac_addr, 844 key_usage_str[key_usage]); 845 return ERR_PTR(cid); 846 } 847 848 return &wil->sta[cid]; 849 } 850 851 static void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, 852 struct wil_sta_info *cs, 853 struct key_params *params) 854 { 855 struct wil_tid_crypto_rx_single *cc; 856 int tid; 857 858 if (!cs) 859 return; 860 861 switch (key_usage) { 862 case WMI_KEY_USE_PAIRWISE: 863 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 864 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 865 if (params->seq) 866 memcpy(cc->pn, params->seq, 867 IEEE80211_GCMP_PN_LEN); 868 else 869 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 870 cc->key_set = true; 871 } 872 break; 873 case WMI_KEY_USE_RX_GROUP: 874 cc = &cs->group_crypto_rx.key_id[key_index]; 875 if (params->seq) 876 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); 877 else 878 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 879 cc->key_set = true; 880 break; 881 default: 882 break; 883 } 884 } 885 886 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, 887 struct wil_sta_info *cs) 888 { 889 struct wil_tid_crypto_rx_single *cc; 890 int tid; 891 892 if (!cs) 893 return; 894 895 switch (key_usage) { 896 case WMI_KEY_USE_PAIRWISE: 897 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 898 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 899 cc->key_set = false; 900 } 901 break; 902 case WMI_KEY_USE_RX_GROUP: 903 cc = &cs->group_crypto_rx.key_id[key_index]; 904 cc->key_set = false; 905 break; 906 default: 907 break; 908 } 909 } 910 911 static int wil_cfg80211_add_key(struct wiphy *wiphy, 912 struct net_device *ndev, 913 u8 key_index, bool pairwise, 914 const u8 *mac_addr, 915 struct key_params *params) 916 { 917 int rc; 918 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 919 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); 920 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, 921 mac_addr); 922 923 if (!params) { 924 wil_err(wil, "NULL params\n"); 925 return -EINVAL; 926 } 927 928 wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", 929 mac_addr, key_usage_str[key_usage], key_index, 930 params->seq_len, params->seq); 931 932 if (IS_ERR(cs)) { 933 wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n", 934 mac_addr, key_usage_str[key_usage], key_index, 935 params->seq_len, params->seq); 936 return -EINVAL; 937 } 938 939 wil_del_rx_key(key_index, key_usage, cs); 940 941 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { 942 wil_err(wil, 943 "Wrong PN len %d, %pM %s[%d] PN %*phN\n", 944 params->seq_len, mac_addr, 945 key_usage_str[key_usage], key_index, 946 params->seq_len, params->seq); 947 return -EINVAL; 948 } 949 950 rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len, 951 params->key, key_usage); 952 if (!rc) 953 wil_set_crypto_rx(key_index, key_usage, cs, params); 954 955 return rc; 956 } 957 958 static int wil_cfg80211_del_key(struct wiphy *wiphy, 959 struct net_device *ndev, 960 u8 key_index, bool pairwise, 961 const u8 *mac_addr) 962 { 963 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 964 enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); 965 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, 966 mac_addr); 967 968 wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr, 969 key_usage_str[key_usage], key_index); 970 971 if (IS_ERR(cs)) 972 wil_info(wil, "Not connected, %pM %s[%d]\n", 973 mac_addr, key_usage_str[key_usage], key_index); 974 975 if (!IS_ERR_OR_NULL(cs)) 976 wil_del_rx_key(key_index, key_usage, cs); 977 978 return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage); 979 } 980 981 /* Need to be present or wiphy_new() will WARN */ 982 static int wil_cfg80211_set_default_key(struct wiphy *wiphy, 983 struct net_device *ndev, 984 u8 key_index, bool unicast, 985 bool multicast) 986 { 987 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 988 989 wil_dbg_misc(wil, "set_default_key: entered\n"); 990 return 0; 991 } 992 993 static int wil_remain_on_channel(struct wiphy *wiphy, 994 struct wireless_dev *wdev, 995 struct ieee80211_channel *chan, 996 unsigned int duration, 997 u64 *cookie) 998 { 999 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1000 int rc; 1001 1002 wil_dbg_misc(wil, 1003 "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n", 1004 chan->center_freq, duration, wdev->iftype); 1005 1006 rc = wil_p2p_listen(wil, wdev, duration, chan, cookie); 1007 return rc; 1008 } 1009 1010 static int wil_cancel_remain_on_channel(struct wiphy *wiphy, 1011 struct wireless_dev *wdev, 1012 u64 cookie) 1013 { 1014 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1015 1016 wil_dbg_misc(wil, "cancel_remain_on_channel\n"); 1017 1018 return wil_p2p_cancel_listen(wil, cookie); 1019 } 1020 1021 /** 1022 * find a specific IE in a list of IEs 1023 * return a pointer to the beginning of IE in the list 1024 * or NULL if not found 1025 */ 1026 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, 1027 u16 ie_len) 1028 { 1029 struct ieee80211_vendor_ie *vie; 1030 u32 oui; 1031 1032 /* IE tag at offset 0, length at offset 1 */ 1033 if (ie_len < 2 || 2 + ie[1] > ie_len) 1034 return NULL; 1035 1036 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) 1037 return cfg80211_find_ie(ie[0], ies, ies_len); 1038 1039 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ 1040 if (ie[1] < 4) 1041 return NULL; 1042 vie = (struct ieee80211_vendor_ie *)ie; 1043 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; 1044 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, 1045 ies_len); 1046 } 1047 1048 /** 1049 * merge the IEs in two lists into a single list. 1050 * do not include IEs from the second list which exist in the first list. 1051 * add only vendor specific IEs from second list to keep 1052 * the merged list sorted (since vendor-specific IE has the 1053 * highest tag number) 1054 * caller must free the allocated memory for merged IEs 1055 */ 1056 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, 1057 const u8 *ies2, u16 ies2_len, 1058 u8 **merged_ies, u16 *merged_len) 1059 { 1060 u8 *buf, *dpos; 1061 const u8 *spos; 1062 1063 if (ies1_len == 0 && ies2_len == 0) { 1064 *merged_ies = NULL; 1065 *merged_len = 0; 1066 return 0; 1067 } 1068 1069 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); 1070 if (!buf) 1071 return -ENOMEM; 1072 memcpy(buf, ies1, ies1_len); 1073 dpos = buf + ies1_len; 1074 spos = ies2; 1075 while (spos + 1 < ies2 + ies2_len) { 1076 /* IE tag at offset 0, length at offset 1 */ 1077 u16 ielen = 2 + spos[1]; 1078 1079 if (spos + ielen > ies2 + ies2_len) 1080 break; 1081 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && 1082 !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) { 1083 memcpy(dpos, spos, ielen); 1084 dpos += ielen; 1085 } 1086 spos += ielen; 1087 } 1088 1089 *merged_ies = buf; 1090 *merged_len = dpos - buf; 1091 return 0; 1092 } 1093 1094 static void wil_print_bcon_data(struct cfg80211_beacon_data *b) 1095 { 1096 print_hex_dump_bytes("head ", DUMP_PREFIX_OFFSET, 1097 b->head, b->head_len); 1098 print_hex_dump_bytes("tail ", DUMP_PREFIX_OFFSET, 1099 b->tail, b->tail_len); 1100 print_hex_dump_bytes("BCON IE ", DUMP_PREFIX_OFFSET, 1101 b->beacon_ies, b->beacon_ies_len); 1102 print_hex_dump_bytes("PROBE ", DUMP_PREFIX_OFFSET, 1103 b->probe_resp, b->probe_resp_len); 1104 print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET, 1105 b->proberesp_ies, b->proberesp_ies_len); 1106 print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET, 1107 b->assocresp_ies, b->assocresp_ies_len); 1108 } 1109 1110 /* internal functions for device reset and starting AP */ 1111 static int _wil_cfg80211_set_ies(struct wiphy *wiphy, 1112 struct cfg80211_beacon_data *bcon) 1113 { 1114 int rc; 1115 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1116 u16 len = 0, proberesp_len = 0; 1117 u8 *ies = NULL, *proberesp = NULL; 1118 1119 if (bcon->probe_resp) { 1120 struct ieee80211_mgmt *f = 1121 (struct ieee80211_mgmt *)bcon->probe_resp; 1122 size_t hlen = offsetof(struct ieee80211_mgmt, 1123 u.probe_resp.variable); 1124 proberesp = f->u.probe_resp.variable; 1125 proberesp_len = bcon->probe_resp_len - hlen; 1126 } 1127 rc = _wil_cfg80211_merge_extra_ies(proberesp, 1128 proberesp_len, 1129 bcon->proberesp_ies, 1130 bcon->proberesp_ies_len, 1131 &ies, &len); 1132 1133 if (rc) 1134 goto out; 1135 1136 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies); 1137 if (rc) 1138 goto out; 1139 1140 if (bcon->assocresp_ies) 1141 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, 1142 bcon->assocresp_ies_len, bcon->assocresp_ies); 1143 else 1144 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies); 1145 #if 0 /* to use beacon IE's, remove this #if 0 */ 1146 if (rc) 1147 goto out; 1148 1149 rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail); 1150 #endif 1151 out: 1152 kfree(ies); 1153 return rc; 1154 } 1155 1156 static int _wil_cfg80211_start_ap(struct wiphy *wiphy, 1157 struct net_device *ndev, 1158 const u8 *ssid, size_t ssid_len, u32 privacy, 1159 int bi, u8 chan, 1160 struct cfg80211_beacon_data *bcon, 1161 u8 hidden_ssid, u32 pbss) 1162 { 1163 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1164 int rc; 1165 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1166 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); 1167 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); 1168 1169 if (pbss) 1170 wmi_nettype = WMI_NETTYPE_P2P; 1171 1172 wil_dbg_misc(wil, "start_ap: is_go=%d\n", is_go); 1173 if (is_go && !pbss) { 1174 wil_err(wil, "P2P GO must be in PBSS\n"); 1175 return -ENOTSUPP; 1176 } 1177 1178 wil_set_recovery_state(wil, fw_recovery_idle); 1179 1180 mutex_lock(&wil->mutex); 1181 1182 __wil_down(wil); 1183 rc = __wil_up(wil); 1184 if (rc) 1185 goto out; 1186 1187 rc = wmi_set_ssid(wil, ssid_len, ssid); 1188 if (rc) 1189 goto out; 1190 1191 rc = _wil_cfg80211_set_ies(wiphy, bcon); 1192 if (rc) 1193 goto out; 1194 1195 wil->privacy = privacy; 1196 wil->channel = chan; 1197 wil->hidden_ssid = hidden_ssid; 1198 wil->pbss = pbss; 1199 1200 netif_carrier_on(ndev); 1201 1202 rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid, is_go); 1203 if (rc) 1204 goto err_pcp_start; 1205 1206 rc = wil_bcast_init(wil); 1207 if (rc) 1208 goto err_bcast; 1209 1210 goto out; /* success */ 1211 1212 err_bcast: 1213 wmi_pcp_stop(wil); 1214 err_pcp_start: 1215 netif_carrier_off(ndev); 1216 out: 1217 mutex_unlock(&wil->mutex); 1218 return rc; 1219 } 1220 1221 static int wil_cfg80211_change_beacon(struct wiphy *wiphy, 1222 struct net_device *ndev, 1223 struct cfg80211_beacon_data *bcon) 1224 { 1225 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1226 int rc; 1227 u32 privacy = 0; 1228 1229 wil_dbg_misc(wil, "change_beacon\n"); 1230 wil_print_bcon_data(bcon); 1231 1232 if (bcon->tail && 1233 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, 1234 bcon->tail_len)) 1235 privacy = 1; 1236 1237 /* in case privacy has changed, need to restart the AP */ 1238 if (wil->privacy != privacy) { 1239 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1240 1241 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", 1242 wil->privacy, privacy); 1243 1244 rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid, 1245 wdev->ssid_len, privacy, 1246 wdev->beacon_interval, 1247 wil->channel, bcon, 1248 wil->hidden_ssid, 1249 wil->pbss); 1250 } else { 1251 rc = _wil_cfg80211_set_ies(wiphy, bcon); 1252 } 1253 1254 return rc; 1255 } 1256 1257 static int wil_cfg80211_start_ap(struct wiphy *wiphy, 1258 struct net_device *ndev, 1259 struct cfg80211_ap_settings *info) 1260 { 1261 int rc; 1262 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1263 struct ieee80211_channel *channel = info->chandef.chan; 1264 struct cfg80211_beacon_data *bcon = &info->beacon; 1265 struct cfg80211_crypto_settings *crypto = &info->crypto; 1266 u8 hidden_ssid; 1267 1268 wil_dbg_misc(wil, "start_ap\n"); 1269 1270 if (!channel) { 1271 wil_err(wil, "AP: No channel???\n"); 1272 return -EINVAL; 1273 } 1274 1275 switch (info->hidden_ssid) { 1276 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1277 hidden_ssid = WMI_HIDDEN_SSID_DISABLED; 1278 break; 1279 1280 case NL80211_HIDDEN_SSID_ZERO_LEN: 1281 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; 1282 break; 1283 1284 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1285 hidden_ssid = WMI_HIDDEN_SSID_CLEAR; 1286 break; 1287 1288 default: 1289 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); 1290 return -EOPNOTSUPP; 1291 } 1292 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, 1293 channel->center_freq, info->privacy ? "secure" : "open"); 1294 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", 1295 info->privacy, info->auth_type); 1296 wil_dbg_misc(wil, "Hidden SSID mode: %d\n", 1297 info->hidden_ssid); 1298 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, 1299 info->dtim_period); 1300 wil_dbg_misc(wil, "PBSS %d\n", info->pbss); 1301 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, 1302 info->ssid, info->ssid_len); 1303 wil_print_bcon_data(bcon); 1304 wil_print_crypto(wil, crypto); 1305 1306 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1307 info->ssid, info->ssid_len, info->privacy, 1308 info->beacon_interval, channel->hw_value, 1309 bcon, hidden_ssid, info->pbss); 1310 1311 return rc; 1312 } 1313 1314 static int wil_cfg80211_stop_ap(struct wiphy *wiphy, 1315 struct net_device *ndev) 1316 { 1317 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1318 1319 wil_dbg_misc(wil, "stop_ap\n"); 1320 1321 netif_carrier_off(ndev); 1322 wil_set_recovery_state(wil, fw_recovery_idle); 1323 1324 mutex_lock(&wil->mutex); 1325 1326 wmi_pcp_stop(wil); 1327 1328 __wil_down(wil); 1329 1330 mutex_unlock(&wil->mutex); 1331 1332 return 0; 1333 } 1334 1335 static int wil_cfg80211_add_station(struct wiphy *wiphy, 1336 struct net_device *dev, 1337 const u8 *mac, 1338 struct station_parameters *params) 1339 { 1340 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1341 1342 wil_dbg_misc(wil, "add station %pM aid %d\n", mac, params->aid); 1343 1344 if (!disable_ap_sme) { 1345 wil_err(wil, "not supported with AP SME enabled\n"); 1346 return -EOPNOTSUPP; 1347 } 1348 1349 if (params->aid > WIL_MAX_DMG_AID) { 1350 wil_err(wil, "invalid aid\n"); 1351 return -EINVAL; 1352 } 1353 1354 return wmi_new_sta(wil, mac, params->aid); 1355 } 1356 1357 static int wil_cfg80211_del_station(struct wiphy *wiphy, 1358 struct net_device *dev, 1359 struct station_del_parameters *params) 1360 { 1361 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1362 1363 wil_dbg_misc(wil, "del_station: %pM, reason=%d\n", params->mac, 1364 params->reason_code); 1365 1366 mutex_lock(&wil->mutex); 1367 wil6210_disconnect(wil, params->mac, params->reason_code, false); 1368 mutex_unlock(&wil->mutex); 1369 1370 return 0; 1371 } 1372 1373 static int wil_cfg80211_change_station(struct wiphy *wiphy, 1374 struct net_device *dev, 1375 const u8 *mac, 1376 struct station_parameters *params) 1377 { 1378 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1379 int authorize; 1380 int cid, i; 1381 struct vring_tx_data *txdata = NULL; 1382 1383 wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x\n", mac, 1384 params->sta_flags_mask, params->sta_flags_set); 1385 1386 if (!disable_ap_sme) { 1387 wil_dbg_misc(wil, "not supported with AP SME enabled\n"); 1388 return -EOPNOTSUPP; 1389 } 1390 1391 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 1392 return 0; 1393 1394 cid = wil_find_cid(wil, mac); 1395 if (cid < 0) { 1396 wil_err(wil, "station not found\n"); 1397 return -ENOLINK; 1398 } 1399 1400 for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) 1401 if (wil->vring2cid_tid[i][0] == cid) { 1402 txdata = &wil->vring_tx_data[i]; 1403 break; 1404 } 1405 1406 if (!txdata) { 1407 wil_err(wil, "vring data not found\n"); 1408 return -ENOLINK; 1409 } 1410 1411 authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); 1412 txdata->dot1x_open = authorize ? 1 : 0; 1413 wil_dbg_misc(wil, "cid %d vring %d authorize %d\n", cid, i, 1414 txdata->dot1x_open); 1415 1416 return 0; 1417 } 1418 1419 /* probe_client handling */ 1420 static void wil_probe_client_handle(struct wil6210_priv *wil, 1421 struct wil_probe_client_req *req) 1422 { 1423 struct net_device *ndev = wil_to_ndev(wil); 1424 struct wil_sta_info *sta = &wil->sta[req->cid]; 1425 /* assume STA is alive if it is still connected, 1426 * else FW will disconnect it 1427 */ 1428 bool alive = (sta->status == wil_sta_connected); 1429 1430 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL); 1431 } 1432 1433 static struct list_head *next_probe_client(struct wil6210_priv *wil) 1434 { 1435 struct list_head *ret = NULL; 1436 1437 mutex_lock(&wil->probe_client_mutex); 1438 1439 if (!list_empty(&wil->probe_client_pending)) { 1440 ret = wil->probe_client_pending.next; 1441 list_del(ret); 1442 } 1443 1444 mutex_unlock(&wil->probe_client_mutex); 1445 1446 return ret; 1447 } 1448 1449 void wil_probe_client_worker(struct work_struct *work) 1450 { 1451 struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 1452 probe_client_worker); 1453 struct wil_probe_client_req *req; 1454 struct list_head *lh; 1455 1456 while ((lh = next_probe_client(wil)) != NULL) { 1457 req = list_entry(lh, struct wil_probe_client_req, list); 1458 1459 wil_probe_client_handle(wil, req); 1460 kfree(req); 1461 } 1462 } 1463 1464 void wil_probe_client_flush(struct wil6210_priv *wil) 1465 { 1466 struct wil_probe_client_req *req, *t; 1467 1468 wil_dbg_misc(wil, "probe_client_flush\n"); 1469 1470 mutex_lock(&wil->probe_client_mutex); 1471 1472 list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) { 1473 list_del(&req->list); 1474 kfree(req); 1475 } 1476 1477 mutex_unlock(&wil->probe_client_mutex); 1478 } 1479 1480 static int wil_cfg80211_probe_client(struct wiphy *wiphy, 1481 struct net_device *dev, 1482 const u8 *peer, u64 *cookie) 1483 { 1484 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1485 struct wil_probe_client_req *req; 1486 int cid = wil_find_cid(wil, peer); 1487 1488 wil_dbg_misc(wil, "probe_client: %pM => CID %d\n", peer, cid); 1489 1490 if (cid < 0) 1491 return -ENOLINK; 1492 1493 req = kzalloc(sizeof(*req), GFP_KERNEL); 1494 if (!req) 1495 return -ENOMEM; 1496 1497 req->cid = cid; 1498 req->cookie = cid; 1499 1500 mutex_lock(&wil->probe_client_mutex); 1501 list_add_tail(&req->list, &wil->probe_client_pending); 1502 mutex_unlock(&wil->probe_client_mutex); 1503 1504 *cookie = req->cookie; 1505 queue_work(wil->wq_service, &wil->probe_client_worker); 1506 return 0; 1507 } 1508 1509 static int wil_cfg80211_change_bss(struct wiphy *wiphy, 1510 struct net_device *dev, 1511 struct bss_parameters *params) 1512 { 1513 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1514 1515 if (params->ap_isolate >= 0) { 1516 wil_dbg_misc(wil, "change_bss: ap_isolate %d => %d\n", 1517 wil->ap_isolate, params->ap_isolate); 1518 wil->ap_isolate = params->ap_isolate; 1519 } 1520 1521 return 0; 1522 } 1523 1524 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy, 1525 struct wireless_dev *wdev) 1526 { 1527 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1528 1529 wil_dbg_misc(wil, "start_p2p_device: entered\n"); 1530 wil->p2p.p2p_dev_started = 1; 1531 return 0; 1532 } 1533 1534 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy, 1535 struct wireless_dev *wdev) 1536 { 1537 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1538 struct wil_p2p_info *p2p = &wil->p2p; 1539 1540 if (!p2p->p2p_dev_started) 1541 return; 1542 1543 wil_dbg_misc(wil, "stop_p2p_device: entered\n"); 1544 mutex_lock(&wil->mutex); 1545 mutex_lock(&wil->p2p_wdev_mutex); 1546 wil_p2p_stop_radio_operations(wil); 1547 p2p->p2p_dev_started = 0; 1548 mutex_unlock(&wil->p2p_wdev_mutex); 1549 mutex_unlock(&wil->mutex); 1550 } 1551 1552 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1553 struct net_device *dev, 1554 bool enabled, int timeout) 1555 { 1556 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1557 enum wmi_ps_profile_type ps_profile; 1558 int rc; 1559 1560 if (!test_bit(WMI_FW_CAPABILITY_PS_CONFIG, wil->fw_capabilities)) { 1561 wil_err(wil, "set_power_mgmt not supported\n"); 1562 return -EOPNOTSUPP; 1563 } 1564 1565 wil_dbg_misc(wil, "enabled=%d, timeout=%d\n", 1566 enabled, timeout); 1567 1568 if (enabled) 1569 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; 1570 else 1571 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED; 1572 1573 rc = wmi_ps_dev_profile_cfg(wil, ps_profile); 1574 if (rc) 1575 wil_err(wil, "wmi_ps_dev_profile_cfg failed (%d)\n", rc); 1576 1577 return rc; 1578 } 1579 1580 static const struct cfg80211_ops wil_cfg80211_ops = { 1581 .add_virtual_intf = wil_cfg80211_add_iface, 1582 .del_virtual_intf = wil_cfg80211_del_iface, 1583 .scan = wil_cfg80211_scan, 1584 .abort_scan = wil_cfg80211_abort_scan, 1585 .connect = wil_cfg80211_connect, 1586 .disconnect = wil_cfg80211_disconnect, 1587 .set_wiphy_params = wil_cfg80211_set_wiphy_params, 1588 .change_virtual_intf = wil_cfg80211_change_iface, 1589 .get_station = wil_cfg80211_get_station, 1590 .dump_station = wil_cfg80211_dump_station, 1591 .remain_on_channel = wil_remain_on_channel, 1592 .cancel_remain_on_channel = wil_cancel_remain_on_channel, 1593 .mgmt_tx = wil_cfg80211_mgmt_tx, 1594 .set_monitor_channel = wil_cfg80211_set_channel, 1595 .add_key = wil_cfg80211_add_key, 1596 .del_key = wil_cfg80211_del_key, 1597 .set_default_key = wil_cfg80211_set_default_key, 1598 /* AP mode */ 1599 .change_beacon = wil_cfg80211_change_beacon, 1600 .start_ap = wil_cfg80211_start_ap, 1601 .stop_ap = wil_cfg80211_stop_ap, 1602 .add_station = wil_cfg80211_add_station, 1603 .del_station = wil_cfg80211_del_station, 1604 .change_station = wil_cfg80211_change_station, 1605 .probe_client = wil_cfg80211_probe_client, 1606 .change_bss = wil_cfg80211_change_bss, 1607 /* P2P device */ 1608 .start_p2p_device = wil_cfg80211_start_p2p_device, 1609 .stop_p2p_device = wil_cfg80211_stop_p2p_device, 1610 .set_power_mgmt = wil_cfg80211_set_power_mgmt, 1611 }; 1612 1613 static void wil_wiphy_init(struct wiphy *wiphy) 1614 { 1615 wiphy->max_scan_ssids = 1; 1616 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 1617 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; 1618 wiphy->max_num_pmkids = 0 /* TODO: */; 1619 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 1620 BIT(NL80211_IFTYPE_AP) | 1621 BIT(NL80211_IFTYPE_P2P_CLIENT) | 1622 BIT(NL80211_IFTYPE_P2P_GO) | 1623 BIT(NL80211_IFTYPE_P2P_DEVICE) | 1624 BIT(NL80211_IFTYPE_MONITOR); 1625 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 1626 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 1627 WIPHY_FLAG_PS_ON_BY_DEFAULT; 1628 if (!disable_ap_sme) 1629 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; 1630 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", 1631 __func__, wiphy->flags); 1632 wiphy->probe_resp_offload = 1633 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 1634 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 1635 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 1636 1637 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; 1638 1639 /* TODO: figure this out */ 1640 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 1641 1642 wiphy->cipher_suites = wil_cipher_suites; 1643 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); 1644 wiphy->mgmt_stypes = wil_mgmt_stypes; 1645 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 1646 } 1647 1648 struct wireless_dev *wil_cfg80211_init(struct device *dev) 1649 { 1650 int rc = 0; 1651 struct wireless_dev *wdev; 1652 1653 dev_dbg(dev, "%s()\n", __func__); 1654 1655 wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); 1656 if (!wdev) 1657 return ERR_PTR(-ENOMEM); 1658 1659 wdev->wiphy = wiphy_new(&wil_cfg80211_ops, 1660 sizeof(struct wil6210_priv)); 1661 if (!wdev->wiphy) { 1662 rc = -ENOMEM; 1663 goto out; 1664 } 1665 1666 set_wiphy_dev(wdev->wiphy, dev); 1667 wil_wiphy_init(wdev->wiphy); 1668 1669 return wdev; 1670 1671 out: 1672 kfree(wdev); 1673 1674 return ERR_PTR(rc); 1675 } 1676 1677 void wil_wdev_free(struct wil6210_priv *wil) 1678 { 1679 struct wireless_dev *wdev = wil_to_wdev(wil); 1680 1681 dev_dbg(wil_to_dev(wil), "%s()\n", __func__); 1682 1683 if (!wdev) 1684 return; 1685 1686 wiphy_free(wdev->wiphy); 1687 kfree(wdev); 1688 } 1689 1690 void wil_p2p_wdev_free(struct wil6210_priv *wil) 1691 { 1692 struct wireless_dev *p2p_wdev; 1693 1694 mutex_lock(&wil->p2p_wdev_mutex); 1695 p2p_wdev = wil->p2p_wdev; 1696 wil->p2p_wdev = NULL; 1697 wil->radio_wdev = wil_to_wdev(wil); 1698 mutex_unlock(&wil->p2p_wdev_mutex); 1699 if (p2p_wdev) { 1700 cfg80211_unregister_wdev(p2p_wdev); 1701 kfree(p2p_wdev); 1702 } 1703 } 1704