1 /* 2 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. 3 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <linux/etherdevice.h> 19 #include <linux/moduleparam.h> 20 #include <net/netlink.h> 21 #include <net/cfg80211.h> 22 #include "wil6210.h" 23 #include "wmi.h" 24 #include "fw.h" 25 26 #define WIL_MAX_ROC_DURATION_MS 5000 27 28 bool disable_ap_sme; 29 module_param(disable_ap_sme, bool, 0444); 30 MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME"); 31 32 #ifdef CONFIG_PM 33 static struct wiphy_wowlan_support wil_wowlan_support = { 34 .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT, 35 }; 36 #endif 37 38 #define CHAN60G(_channel, _flags) { \ 39 .band = NL80211_BAND_60GHZ, \ 40 .center_freq = 56160 + (2160 * (_channel)), \ 41 .hw_value = (_channel), \ 42 .flags = (_flags), \ 43 .max_antenna_gain = 0, \ 44 .max_power = 40, \ 45 } 46 47 static struct ieee80211_channel wil_60ghz_channels[] = { 48 CHAN60G(1, 0), 49 CHAN60G(2, 0), 50 CHAN60G(3, 0), 51 CHAN60G(4, 0), 52 }; 53 54 static void 55 wil_memdup_ie(u8 **pdst, size_t *pdst_len, const u8 *src, size_t src_len) 56 { 57 kfree(*pdst); 58 *pdst = NULL; 59 *pdst_len = 0; 60 if (src_len > 0) { 61 *pdst = kmemdup(src, src_len, GFP_KERNEL); 62 if (*pdst) 63 *pdst_len = src_len; 64 } 65 } 66 67 static int wil_num_supported_channels(struct wil6210_priv *wil) 68 { 69 int num_channels = ARRAY_SIZE(wil_60ghz_channels); 70 71 if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_4, wil->fw_capabilities)) 72 num_channels--; 73 74 return num_channels; 75 } 76 77 void update_supported_bands(struct wil6210_priv *wil) 78 { 79 struct wiphy *wiphy = wil_to_wiphy(wil); 80 81 wil_dbg_misc(wil, "update supported bands"); 82 83 wiphy->bands[NL80211_BAND_60GHZ]->n_channels = 84 wil_num_supported_channels(wil); 85 } 86 87 /* Vendor id to be used in vendor specific command and events 88 * to user space. 89 * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID, 90 * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and 91 * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in 92 * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that 93 */ 94 95 #define QCA_NL80211_VENDOR_ID 0x001374 96 97 #define WIL_MAX_RF_SECTORS (128) 98 #define WIL_CID_ALL (0xff) 99 100 enum qca_wlan_vendor_attr_rf_sector { 101 QCA_ATTR_MAC_ADDR = 6, 102 QCA_ATTR_PAD = 13, 103 QCA_ATTR_TSF = 29, 104 QCA_ATTR_DMG_RF_SECTOR_INDEX = 30, 105 QCA_ATTR_DMG_RF_SECTOR_TYPE = 31, 106 QCA_ATTR_DMG_RF_MODULE_MASK = 32, 107 QCA_ATTR_DMG_RF_SECTOR_CFG = 33, 108 QCA_ATTR_DMG_RF_SECTOR_MAX, 109 }; 110 111 enum qca_wlan_vendor_attr_dmg_rf_sector_type { 112 QCA_ATTR_DMG_RF_SECTOR_TYPE_RX, 113 QCA_ATTR_DMG_RF_SECTOR_TYPE_TX, 114 QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX 115 }; 116 117 enum qca_wlan_vendor_attr_dmg_rf_sector_cfg { 118 QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0, 119 QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX, 120 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0, 121 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1, 122 QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2, 123 QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI, 124 QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO, 125 QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16, 126 127 /* keep last */ 128 QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST, 129 QCA_ATTR_DMG_RF_SECTOR_CFG_MAX = 130 QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1 131 }; 132 133 static const struct 134 nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = { 135 [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN }, 136 [QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 }, 137 [QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 }, 138 [QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 }, 139 [QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED }, 140 }; 141 142 static const struct 143 nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = { 144 [QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 }, 145 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 }, 146 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 }, 147 [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 }, 148 [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 }, 149 [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 }, 150 [QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 }, 151 }; 152 153 enum qca_nl80211_vendor_subcmds { 154 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139, 155 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140, 156 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141, 157 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142, 158 }; 159 160 static int wil_rf_sector_get_cfg(struct wiphy *wiphy, 161 struct wireless_dev *wdev, 162 const void *data, int data_len); 163 static int wil_rf_sector_set_cfg(struct wiphy *wiphy, 164 struct wireless_dev *wdev, 165 const void *data, int data_len); 166 static int wil_rf_sector_get_selected(struct wiphy *wiphy, 167 struct wireless_dev *wdev, 168 const void *data, int data_len); 169 static int wil_rf_sector_set_selected(struct wiphy *wiphy, 170 struct wireless_dev *wdev, 171 const void *data, int data_len); 172 173 /* vendor specific commands */ 174 static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = { 175 { 176 .info.vendor_id = QCA_NL80211_VENDOR_ID, 177 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG, 178 .flags = WIPHY_VENDOR_CMD_NEED_WDEV | 179 WIPHY_VENDOR_CMD_NEED_RUNNING, 180 .doit = wil_rf_sector_get_cfg 181 }, 182 { 183 .info.vendor_id = QCA_NL80211_VENDOR_ID, 184 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG, 185 .flags = WIPHY_VENDOR_CMD_NEED_WDEV | 186 WIPHY_VENDOR_CMD_NEED_RUNNING, 187 .doit = wil_rf_sector_set_cfg 188 }, 189 { 190 .info.vendor_id = QCA_NL80211_VENDOR_ID, 191 .info.subcmd = 192 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR, 193 .flags = WIPHY_VENDOR_CMD_NEED_WDEV | 194 WIPHY_VENDOR_CMD_NEED_RUNNING, 195 .doit = wil_rf_sector_get_selected 196 }, 197 { 198 .info.vendor_id = QCA_NL80211_VENDOR_ID, 199 .info.subcmd = 200 QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR, 201 .flags = WIPHY_VENDOR_CMD_NEED_WDEV | 202 WIPHY_VENDOR_CMD_NEED_RUNNING, 203 .doit = wil_rf_sector_set_selected 204 }, 205 }; 206 207 static struct ieee80211_supported_band wil_band_60ghz = { 208 .channels = wil_60ghz_channels, 209 .n_channels = ARRAY_SIZE(wil_60ghz_channels), 210 .ht_cap = { 211 .ht_supported = true, 212 .cap = 0, /* TODO */ 213 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */ 214 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */ 215 .mcs = { 216 /* MCS 1..12 - SC PHY */ 217 .rx_mask = {0xfe, 0x1f}, /* 1..12 */ 218 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */ 219 }, 220 }, 221 }; 222 223 static const struct ieee80211_txrx_stypes 224 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = { 225 [NL80211_IFTYPE_STATION] = { 226 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 227 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 228 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 229 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 230 }, 231 [NL80211_IFTYPE_AP] = { 232 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 233 BIT(IEEE80211_STYPE_PROBE_RESP >> 4) | 234 BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) | 235 BIT(IEEE80211_STYPE_DISASSOC >> 4) | 236 BIT(IEEE80211_STYPE_AUTH >> 4) | 237 BIT(IEEE80211_STYPE_REASSOC_RESP >> 4), 238 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 239 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 240 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 241 BIT(IEEE80211_STYPE_DISASSOC >> 4) | 242 BIT(IEEE80211_STYPE_AUTH >> 4) | 243 BIT(IEEE80211_STYPE_DEAUTH >> 4) | 244 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) 245 }, 246 [NL80211_IFTYPE_P2P_CLIENT] = { 247 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 248 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 249 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 250 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 251 }, 252 [NL80211_IFTYPE_P2P_GO] = { 253 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 254 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 255 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 256 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 257 }, 258 [NL80211_IFTYPE_P2P_DEVICE] = { 259 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 260 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 261 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 262 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 263 }, 264 }; 265 266 static const u32 wil_cipher_suites[] = { 267 WLAN_CIPHER_SUITE_GCMP, 268 }; 269 270 static const char * const key_usage_str[] = { 271 [WMI_KEY_USE_PAIRWISE] = "PTK", 272 [WMI_KEY_USE_RX_GROUP] = "RX_GTK", 273 [WMI_KEY_USE_TX_GROUP] = "TX_GTK", 274 }; 275 276 int wil_iftype_nl2wmi(enum nl80211_iftype type) 277 { 278 static const struct { 279 enum nl80211_iftype nl; 280 enum wmi_network_type wmi; 281 } __nl2wmi[] = { 282 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC}, 283 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA}, 284 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP}, 285 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P}, 286 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P}, 287 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */ 288 }; 289 uint i; 290 291 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) { 292 if (__nl2wmi[i].nl == type) 293 return __nl2wmi[i].wmi; 294 } 295 296 return -EOPNOTSUPP; 297 } 298 299 int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid, 300 struct station_info *sinfo) 301 { 302 struct wil6210_priv *wil = vif_to_wil(vif); 303 struct wmi_notify_req_cmd cmd = { 304 .cid = cid, 305 .interval_usec = 0, 306 }; 307 struct { 308 struct wmi_cmd_hdr wmi; 309 struct wmi_notify_req_done_event evt; 310 } __packed reply; 311 struct wil_net_stats *stats = &wil->sta[cid].stats; 312 int rc; 313 314 memset(&reply, 0, sizeof(reply)); 315 316 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &cmd, sizeof(cmd), 317 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20); 318 if (rc) 319 return rc; 320 321 wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n" 322 " MCS %d TSF 0x%016llx\n" 323 " BF status 0x%08x RSSI %d SQI %d%%\n" 324 " Tx Tpt %d goodput %d Rx goodput %d\n" 325 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n", 326 cid, vif->mid, le16_to_cpu(reply.evt.bf_mcs), 327 le64_to_cpu(reply.evt.tsf), reply.evt.status, 328 reply.evt.rssi, 329 reply.evt.sqi, 330 le32_to_cpu(reply.evt.tx_tpt), 331 le32_to_cpu(reply.evt.tx_goodput), 332 le32_to_cpu(reply.evt.rx_goodput), 333 le16_to_cpu(reply.evt.my_rx_sector), 334 le16_to_cpu(reply.evt.my_tx_sector), 335 le16_to_cpu(reply.evt.other_rx_sector), 336 le16_to_cpu(reply.evt.other_tx_sector)); 337 338 sinfo->generation = wil->sinfo_gen; 339 340 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | 341 BIT_ULL(NL80211_STA_INFO_TX_BYTES) | 342 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | 343 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | 344 BIT_ULL(NL80211_STA_INFO_RX_BITRATE) | 345 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | 346 BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) | 347 BIT_ULL(NL80211_STA_INFO_TX_FAILED); 348 349 sinfo->txrate.flags = RATE_INFO_FLAGS_60G; 350 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); 351 sinfo->rxrate.mcs = stats->last_mcs_rx; 352 sinfo->rx_bytes = stats->rx_bytes; 353 sinfo->rx_packets = stats->rx_packets; 354 sinfo->rx_dropped_misc = stats->rx_dropped; 355 sinfo->tx_bytes = stats->tx_bytes; 356 sinfo->tx_packets = stats->tx_packets; 357 sinfo->tx_failed = stats->tx_errors; 358 359 if (test_bit(wil_vif_fwconnected, vif->status)) { 360 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); 361 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, 362 wil->fw_capabilities)) 363 sinfo->signal = reply.evt.rssi; 364 else 365 sinfo->signal = reply.evt.sqi; 366 } 367 368 return rc; 369 } 370 371 static int wil_cfg80211_get_station(struct wiphy *wiphy, 372 struct net_device *ndev, 373 const u8 *mac, struct station_info *sinfo) 374 { 375 struct wil6210_vif *vif = ndev_to_vif(ndev); 376 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 377 int rc; 378 379 int cid = wil_find_cid(wil, vif->mid, mac); 380 381 wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid, 382 vif->mid); 383 if (cid < 0) 384 return cid; 385 386 rc = wil_cid_fill_sinfo(vif, cid, sinfo); 387 388 return rc; 389 } 390 391 /* 392 * Find @idx-th active STA for specific MID for station dump. 393 */ 394 static int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx) 395 { 396 int i; 397 398 for (i = 0; i < max_assoc_sta; i++) { 399 if (wil->sta[i].status == wil_sta_unused) 400 continue; 401 if (wil->sta[i].mid != mid) 402 continue; 403 if (idx == 0) 404 return i; 405 idx--; 406 } 407 408 return -ENOENT; 409 } 410 411 static int wil_cfg80211_dump_station(struct wiphy *wiphy, 412 struct net_device *dev, int idx, 413 u8 *mac, struct station_info *sinfo) 414 { 415 struct wil6210_vif *vif = ndev_to_vif(dev); 416 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 417 int rc; 418 int cid = wil_find_cid_by_idx(wil, vif->mid, idx); 419 420 if (cid < 0) 421 return -ENOENT; 422 423 ether_addr_copy(mac, wil->sta[cid].addr); 424 wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid, 425 vif->mid); 426 427 rc = wil_cid_fill_sinfo(vif, cid, sinfo); 428 429 return rc; 430 } 431 432 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy, 433 struct wireless_dev *wdev) 434 { 435 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 436 437 wil_dbg_misc(wil, "start_p2p_device: entered\n"); 438 wil->p2p_dev_started = 1; 439 return 0; 440 } 441 442 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy, 443 struct wireless_dev *wdev) 444 { 445 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 446 447 if (!wil->p2p_dev_started) 448 return; 449 450 wil_dbg_misc(wil, "stop_p2p_device: entered\n"); 451 mutex_lock(&wil->mutex); 452 mutex_lock(&wil->vif_mutex); 453 wil_p2p_stop_radio_operations(wil); 454 wil->p2p_dev_started = 0; 455 mutex_unlock(&wil->vif_mutex); 456 mutex_unlock(&wil->mutex); 457 } 458 459 static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil, 460 enum nl80211_iftype new_type) 461 { 462 int i; 463 struct wireless_dev *wdev; 464 struct iface_combination_params params = { 465 .num_different_channels = 1, 466 }; 467 468 for (i = 0; i < GET_MAX_VIFS(wil); i++) { 469 if (wil->vifs[i]) { 470 wdev = vif_to_wdev(wil->vifs[i]); 471 params.iftype_num[wdev->iftype]++; 472 } 473 } 474 params.iftype_num[new_type]++; 475 return cfg80211_check_combinations(wil->wiphy, ¶ms); 476 } 477 478 static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil, 479 struct wil6210_vif *vif, 480 enum nl80211_iftype new_type) 481 { 482 int i, ret = 0; 483 struct wireless_dev *wdev; 484 struct iface_combination_params params = { 485 .num_different_channels = 1, 486 }; 487 bool check_combos = false; 488 489 for (i = 0; i < GET_MAX_VIFS(wil); i++) { 490 struct wil6210_vif *vif_pos = wil->vifs[i]; 491 492 if (vif_pos && vif != vif_pos) { 493 wdev = vif_to_wdev(vif_pos); 494 params.iftype_num[wdev->iftype]++; 495 check_combos = true; 496 } 497 } 498 499 if (check_combos) { 500 params.iftype_num[new_type]++; 501 ret = cfg80211_check_combinations(wil->wiphy, ¶ms); 502 } 503 return ret; 504 } 505 506 static struct wireless_dev * 507 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name, 508 unsigned char name_assign_type, 509 enum nl80211_iftype type, 510 struct vif_params *params) 511 { 512 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 513 struct net_device *ndev_main = wil->main_ndev, *ndev; 514 struct wil6210_vif *vif; 515 struct wireless_dev *p2p_wdev, *wdev; 516 int rc; 517 518 wil_dbg_misc(wil, "add_iface, type %d\n", type); 519 520 /* P2P device is not a real virtual interface, it is a management-only 521 * interface that shares the main interface. 522 * Skip concurrency checks here. 523 */ 524 if (type == NL80211_IFTYPE_P2P_DEVICE) { 525 if (wil->p2p_wdev) { 526 wil_err(wil, "P2P_DEVICE interface already created\n"); 527 return ERR_PTR(-EINVAL); 528 } 529 530 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL); 531 if (!p2p_wdev) 532 return ERR_PTR(-ENOMEM); 533 534 p2p_wdev->iftype = type; 535 p2p_wdev->wiphy = wiphy; 536 /* use our primary ethernet address */ 537 ether_addr_copy(p2p_wdev->address, ndev_main->perm_addr); 538 539 wil->p2p_wdev = p2p_wdev; 540 541 return p2p_wdev; 542 } 543 544 if (!wil->wiphy->n_iface_combinations) { 545 wil_err(wil, "virtual interfaces not supported\n"); 546 return ERR_PTR(-EINVAL); 547 } 548 549 rc = wil_cfg80211_validate_add_iface(wil, type); 550 if (rc) { 551 wil_err(wil, "iface validation failed, err=%d\n", rc); 552 return ERR_PTR(rc); 553 } 554 555 vif = wil_vif_alloc(wil, name, name_assign_type, type); 556 if (IS_ERR(vif)) 557 return ERR_CAST(vif); 558 559 ndev = vif_to_ndev(vif); 560 ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr); 561 if (is_valid_ether_addr(params->macaddr)) { 562 ether_addr_copy(ndev->dev_addr, params->macaddr); 563 } else { 564 ether_addr_copy(ndev->dev_addr, ndev_main->perm_addr); 565 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << vif->mid)) | 566 0x2; /* locally administered */ 567 } 568 wdev = vif_to_wdev(vif); 569 ether_addr_copy(wdev->address, ndev->dev_addr); 570 571 rc = wil_vif_add(wil, vif); 572 if (rc) 573 goto out; 574 575 wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n", 576 vif->mid, type, wdev->address); 577 return wdev; 578 out: 579 wil_vif_free(vif); 580 return ERR_PTR(rc); 581 } 582 583 int wil_vif_prepare_stop(struct wil6210_vif *vif) 584 { 585 struct wil6210_priv *wil = vif_to_wil(vif); 586 struct wireless_dev *wdev = vif_to_wdev(vif); 587 struct net_device *ndev; 588 int rc; 589 590 if (wdev->iftype != NL80211_IFTYPE_AP) 591 return 0; 592 593 ndev = vif_to_ndev(vif); 594 if (netif_carrier_ok(ndev)) { 595 rc = wmi_pcp_stop(vif); 596 if (rc) { 597 wil_info(wil, "failed to stop AP, status %d\n", 598 rc); 599 /* continue */ 600 } 601 wil_bcast_fini(vif); 602 netif_carrier_off(ndev); 603 } 604 605 return 0; 606 } 607 608 static int wil_cfg80211_del_iface(struct wiphy *wiphy, 609 struct wireless_dev *wdev) 610 { 611 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 612 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 613 int rc; 614 615 wil_dbg_misc(wil, "del_iface\n"); 616 617 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { 618 if (wdev != wil->p2p_wdev) { 619 wil_err(wil, "delete of incorrect interface 0x%p\n", 620 wdev); 621 return -EINVAL; 622 } 623 624 wil_cfg80211_stop_p2p_device(wiphy, wdev); 625 wil_p2p_wdev_free(wil); 626 return 0; 627 } 628 629 if (vif->mid == 0) { 630 wil_err(wil, "cannot remove the main interface\n"); 631 return -EINVAL; 632 } 633 634 rc = wil_vif_prepare_stop(vif); 635 if (rc) 636 goto out; 637 638 wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n", 639 vif->mid, wdev->iftype, wdev->address); 640 641 wil_vif_remove(wil, vif->mid); 642 out: 643 return rc; 644 } 645 646 static int wil_cfg80211_change_iface(struct wiphy *wiphy, 647 struct net_device *ndev, 648 enum nl80211_iftype type, 649 struct vif_params *params) 650 { 651 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 652 struct wil6210_vif *vif = ndev_to_vif(ndev); 653 struct wireless_dev *wdev = vif_to_wdev(vif); 654 int rc; 655 bool fw_reset = false; 656 657 wil_dbg_misc(wil, "change_iface: type=%d\n", type); 658 659 if (wiphy->n_iface_combinations) { 660 rc = wil_cfg80211_validate_change_iface(wil, vif, type); 661 if (rc) { 662 wil_err(wil, "iface validation failed, err=%d\n", rc); 663 return rc; 664 } 665 } 666 667 /* do not reset FW when there are active VIFs, 668 * because it can cause significant disruption 669 */ 670 if (!wil_has_other_active_ifaces(wil, ndev, true, false) && 671 netif_running(ndev) && !wil_is_recovery_blocked(wil)) { 672 wil_dbg_misc(wil, "interface is up. resetting...\n"); 673 mutex_lock(&wil->mutex); 674 __wil_down(wil); 675 rc = __wil_up(wil); 676 mutex_unlock(&wil->mutex); 677 678 if (rc) 679 return rc; 680 fw_reset = true; 681 } 682 683 switch (type) { 684 case NL80211_IFTYPE_STATION: 685 case NL80211_IFTYPE_AP: 686 case NL80211_IFTYPE_P2P_CLIENT: 687 case NL80211_IFTYPE_P2P_GO: 688 break; 689 case NL80211_IFTYPE_MONITOR: 690 if (params->flags) 691 wil->monitor_flags = params->flags; 692 break; 693 default: 694 return -EOPNOTSUPP; 695 } 696 697 if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) { 698 if (!fw_reset) 699 wil_vif_prepare_stop(vif); 700 rc = wmi_port_delete(wil, vif->mid); 701 if (rc) 702 return rc; 703 rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type); 704 if (rc) 705 return rc; 706 } 707 708 wdev->iftype = type; 709 return 0; 710 } 711 712 static int wil_cfg80211_scan(struct wiphy *wiphy, 713 struct cfg80211_scan_request *request) 714 { 715 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 716 struct wireless_dev *wdev = request->wdev; 717 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 718 struct { 719 struct wmi_start_scan_cmd cmd; 720 u16 chnl[4]; 721 } __packed cmd; 722 uint i, n; 723 int rc; 724 725 wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 726 727 /* scan is supported on client interfaces and on AP interface */ 728 switch (wdev->iftype) { 729 case NL80211_IFTYPE_STATION: 730 case NL80211_IFTYPE_P2P_CLIENT: 731 case NL80211_IFTYPE_P2P_DEVICE: 732 case NL80211_IFTYPE_AP: 733 break; 734 default: 735 return -EOPNOTSUPP; 736 } 737 738 /* FW don't support scan after connection attempt */ 739 if (test_bit(wil_status_dontscan, wil->status)) { 740 wil_err(wil, "Can't scan now\n"); 741 return -EBUSY; 742 } 743 744 mutex_lock(&wil->mutex); 745 746 mutex_lock(&wil->vif_mutex); 747 if (vif->scan_request || vif->p2p.discovery_started) { 748 wil_err(wil, "Already scanning\n"); 749 mutex_unlock(&wil->vif_mutex); 750 rc = -EAGAIN; 751 goto out; 752 } 753 mutex_unlock(&wil->vif_mutex); 754 755 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { 756 if (!wil->p2p_dev_started) { 757 wil_err(wil, "P2P search requested on stopped P2P device\n"); 758 rc = -EIO; 759 goto out; 760 } 761 /* social scan on P2P_DEVICE is handled as p2p search */ 762 if (wil_p2p_is_social_scan(request)) { 763 vif->scan_request = request; 764 if (vif->mid == 0) 765 wil->radio_wdev = wdev; 766 rc = wil_p2p_search(vif, request); 767 if (rc) { 768 if (vif->mid == 0) 769 wil->radio_wdev = 770 wil->main_ndev->ieee80211_ptr; 771 vif->scan_request = NULL; 772 } 773 goto out; 774 } 775 } 776 777 (void)wil_p2p_stop_discovery(vif); 778 779 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); 780 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); 781 782 for (i = 0; i < request->n_ssids; i++) { 783 wil_dbg_misc(wil, "SSID[%d]", i); 784 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 785 request->ssids[i].ssid, 786 request->ssids[i].ssid_len, true); 787 } 788 789 if (request->n_ssids) 790 rc = wmi_set_ssid(vif, request->ssids[0].ssid_len, 791 request->ssids[0].ssid); 792 else 793 rc = wmi_set_ssid(vif, 0, NULL); 794 795 if (rc) { 796 wil_err(wil, "set SSID for scan request failed: %d\n", rc); 797 goto out; 798 } 799 800 vif->scan_request = request; 801 mod_timer(&vif->scan_timer, jiffies + WIL6210_SCAN_TO); 802 803 memset(&cmd, 0, sizeof(cmd)); 804 cmd.cmd.scan_type = WMI_ACTIVE_SCAN; 805 cmd.cmd.num_channels = 0; 806 n = min(request->n_channels, 4U); 807 for (i = 0; i < n; i++) { 808 int ch = request->channels[i]->hw_value; 809 810 if (ch == 0) { 811 wil_err(wil, 812 "Scan requested for unknown frequency %dMhz\n", 813 request->channels[i]->center_freq); 814 continue; 815 } 816 /* 0-based channel indexes */ 817 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; 818 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, 819 request->channels[i]->center_freq); 820 } 821 822 if (request->ie_len) 823 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1, 824 request->ie, request->ie_len, true); 825 else 826 wil_dbg_misc(wil, "Scan has no IE's\n"); 827 828 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ, 829 request->ie_len, request->ie); 830 if (rc) 831 goto out_restore; 832 833 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { 834 cmd.cmd.discovery_mode = 1; 835 wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); 836 } 837 838 if (vif->mid == 0) 839 wil->radio_wdev = wdev; 840 rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid, 841 &cmd, sizeof(cmd.cmd) + 842 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); 843 844 out_restore: 845 if (rc) { 846 del_timer_sync(&vif->scan_timer); 847 if (vif->mid == 0) 848 wil->radio_wdev = wil->main_ndev->ieee80211_ptr; 849 vif->scan_request = NULL; 850 } 851 out: 852 mutex_unlock(&wil->mutex); 853 return rc; 854 } 855 856 static void wil_cfg80211_abort_scan(struct wiphy *wiphy, 857 struct wireless_dev *wdev) 858 { 859 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 860 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 861 862 wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 863 864 mutex_lock(&wil->mutex); 865 mutex_lock(&wil->vif_mutex); 866 867 if (!vif->scan_request) 868 goto out; 869 870 if (wdev != vif->scan_request->wdev) { 871 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n"); 872 goto out; 873 } 874 875 if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev) 876 wil_p2p_stop_radio_operations(wil); 877 else 878 wil_abort_scan(vif, true); 879 880 out: 881 mutex_unlock(&wil->vif_mutex); 882 mutex_unlock(&wil->mutex); 883 } 884 885 static void wil_print_crypto(struct wil6210_priv *wil, 886 struct cfg80211_crypto_settings *c) 887 { 888 int i, n; 889 890 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", 891 c->wpa_versions, c->cipher_group); 892 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); 893 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); 894 for (i = 0; i < n; i++) 895 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 896 c->ciphers_pairwise[i]); 897 wil_dbg_misc(wil, "}\n"); 898 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); 899 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); 900 for (i = 0; i < n; i++) 901 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 902 c->akm_suites[i]); 903 wil_dbg_misc(wil, "}\n"); 904 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", 905 c->control_port, be16_to_cpu(c->control_port_ethertype), 906 c->control_port_no_encrypt); 907 } 908 909 static const char * 910 wil_get_auth_type_name(enum nl80211_auth_type auth_type) 911 { 912 switch (auth_type) { 913 case NL80211_AUTHTYPE_OPEN_SYSTEM: 914 return "OPEN_SYSTEM"; 915 case NL80211_AUTHTYPE_SHARED_KEY: 916 return "SHARED_KEY"; 917 case NL80211_AUTHTYPE_FT: 918 return "FT"; 919 case NL80211_AUTHTYPE_NETWORK_EAP: 920 return "NETWORK_EAP"; 921 case NL80211_AUTHTYPE_SAE: 922 return "SAE"; 923 case NL80211_AUTHTYPE_AUTOMATIC: 924 return "AUTOMATIC"; 925 default: 926 return "unknown"; 927 } 928 } 929 static void wil_print_connect_params(struct wil6210_priv *wil, 930 struct cfg80211_connect_params *sme) 931 { 932 wil_info(wil, "Connecting to:\n"); 933 if (sme->channel) { 934 wil_info(wil, " Channel: %d freq %d\n", 935 sme->channel->hw_value, sme->channel->center_freq); 936 } 937 if (sme->bssid) 938 wil_info(wil, " BSSID: %pM\n", sme->bssid); 939 if (sme->ssid) 940 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 941 16, 1, sme->ssid, sme->ssid_len, true); 942 if (sme->prev_bssid) 943 wil_info(wil, " Previous BSSID=%pM\n", sme->prev_bssid); 944 wil_info(wil, " Auth Type: %s\n", 945 wil_get_auth_type_name(sme->auth_type)); 946 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); 947 wil_info(wil, " PBSS: %d\n", sme->pbss); 948 wil_print_crypto(wil, &sme->crypto); 949 } 950 951 static int wil_ft_connect(struct wiphy *wiphy, 952 struct net_device *ndev, 953 struct cfg80211_connect_params *sme) 954 { 955 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 956 struct wil6210_vif *vif = ndev_to_vif(ndev); 957 struct wmi_ft_auth_cmd auth_cmd; 958 int rc; 959 960 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) { 961 wil_err(wil, "FT: FW does not support FT roaming\n"); 962 return -EOPNOTSUPP; 963 } 964 965 if (!sme->prev_bssid) { 966 wil_err(wil, "FT: prev_bssid was not set\n"); 967 return -EINVAL; 968 } 969 970 if (ether_addr_equal(sme->prev_bssid, sme->bssid)) { 971 wil_err(wil, "FT: can not roam to same AP\n"); 972 return -EINVAL; 973 } 974 975 if (!test_bit(wil_vif_fwconnected, vif->status)) { 976 wil_err(wil, "FT: roam while not connected\n"); 977 return -EINVAL; 978 } 979 980 if (vif->privacy != sme->privacy) { 981 wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n", 982 vif->privacy, sme->privacy); 983 return -EINVAL; 984 } 985 986 if (sme->pbss) { 987 wil_err(wil, "FT: roam is not valid for PBSS\n"); 988 return -EINVAL; 989 } 990 991 memset(&auth_cmd, 0, sizeof(auth_cmd)); 992 auth_cmd.channel = sme->channel->hw_value - 1; 993 ether_addr_copy(auth_cmd.bssid, sme->bssid); 994 995 wil_info(wil, "FT: roaming\n"); 996 997 set_bit(wil_vif_ft_roam, vif->status); 998 rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid, 999 &auth_cmd, sizeof(auth_cmd)); 1000 if (rc == 0) 1001 mod_timer(&vif->connect_timer, 1002 jiffies + msecs_to_jiffies(5000)); 1003 else 1004 clear_bit(wil_vif_ft_roam, vif->status); 1005 1006 return rc; 1007 } 1008 1009 static int wil_cfg80211_connect(struct wiphy *wiphy, 1010 struct net_device *ndev, 1011 struct cfg80211_connect_params *sme) 1012 { 1013 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1014 struct wil6210_vif *vif = ndev_to_vif(ndev); 1015 struct cfg80211_bss *bss; 1016 struct wmi_connect_cmd conn; 1017 const u8 *ssid_eid; 1018 const u8 *rsn_eid; 1019 int ch; 1020 int rc = 0; 1021 bool is_ft_roam = false; 1022 u8 network_type; 1023 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; 1024 1025 wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid); 1026 wil_print_connect_params(wil, sme); 1027 1028 if (sme->auth_type == NL80211_AUTHTYPE_FT) 1029 is_ft_roam = true; 1030 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC && 1031 test_bit(wil_vif_fwconnected, vif->status)) 1032 is_ft_roam = true; 1033 1034 if (!is_ft_roam) 1035 if (test_bit(wil_vif_fwconnecting, vif->status) || 1036 test_bit(wil_vif_fwconnected, vif->status)) 1037 return -EALREADY; 1038 1039 if (sme->ie_len > WMI_MAX_IE_LEN) { 1040 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); 1041 return -ERANGE; 1042 } 1043 1044 rsn_eid = sme->ie ? 1045 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : 1046 NULL; 1047 if (sme->privacy && !rsn_eid) { 1048 wil_info(wil, "WSC connection\n"); 1049 if (is_ft_roam) { 1050 wil_err(wil, "No WSC with FT roam\n"); 1051 return -EINVAL; 1052 } 1053 } 1054 1055 if (sme->pbss) 1056 bss_type = IEEE80211_BSS_TYPE_PBSS; 1057 1058 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, 1059 sme->ssid, sme->ssid_len, 1060 bss_type, IEEE80211_PRIVACY_ANY); 1061 if (!bss) { 1062 wil_err(wil, "Unable to find BSS\n"); 1063 return -ENOENT; 1064 } 1065 1066 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); 1067 if (!ssid_eid) { 1068 wil_err(wil, "No SSID\n"); 1069 rc = -ENOENT; 1070 goto out; 1071 } 1072 vif->privacy = sme->privacy; 1073 vif->pbss = sme->pbss; 1074 1075 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); 1076 if (rc) 1077 goto out; 1078 1079 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { 1080 case WLAN_CAPABILITY_DMG_TYPE_AP: 1081 network_type = WMI_NETTYPE_INFRA; 1082 break; 1083 case WLAN_CAPABILITY_DMG_TYPE_PBSS: 1084 network_type = WMI_NETTYPE_P2P; 1085 break; 1086 default: 1087 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", 1088 bss->capability); 1089 rc = -EINVAL; 1090 goto out; 1091 } 1092 1093 ch = bss->channel->hw_value; 1094 if (ch == 0) { 1095 wil_err(wil, "BSS at unknown frequency %dMhz\n", 1096 bss->channel->center_freq); 1097 rc = -EOPNOTSUPP; 1098 goto out; 1099 } 1100 1101 if (is_ft_roam) { 1102 if (network_type != WMI_NETTYPE_INFRA) { 1103 wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n", 1104 bss->capability); 1105 rc = -EINVAL; 1106 goto out; 1107 } 1108 rc = wil_ft_connect(wiphy, ndev, sme); 1109 if (rc == 0) 1110 vif->bss = bss; 1111 goto out; 1112 } 1113 1114 if (vif->privacy) { 1115 /* For secure assoc, remove old keys */ 1116 rc = wmi_del_cipher_key(vif, 0, bss->bssid, 1117 WMI_KEY_USE_PAIRWISE); 1118 if (rc) { 1119 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); 1120 goto out; 1121 } 1122 rc = wmi_del_cipher_key(vif, 0, bss->bssid, 1123 WMI_KEY_USE_RX_GROUP); 1124 if (rc) { 1125 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); 1126 goto out; 1127 } 1128 } 1129 1130 /* WMI_CONNECT_CMD */ 1131 memset(&conn, 0, sizeof(conn)); 1132 conn.network_type = network_type; 1133 if (vif->privacy) { 1134 if (rsn_eid) { /* regular secure connection */ 1135 conn.dot11_auth_mode = WMI_AUTH11_SHARED; 1136 conn.auth_mode = WMI_AUTH_WPA2_PSK; 1137 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; 1138 conn.pairwise_crypto_len = 16; 1139 conn.group_crypto_type = WMI_CRYPT_AES_GCMP; 1140 conn.group_crypto_len = 16; 1141 } else { /* WSC */ 1142 conn.dot11_auth_mode = WMI_AUTH11_WSC; 1143 conn.auth_mode = WMI_AUTH_NONE; 1144 } 1145 } else { /* insecure connection */ 1146 conn.dot11_auth_mode = WMI_AUTH11_OPEN; 1147 conn.auth_mode = WMI_AUTH_NONE; 1148 } 1149 1150 conn.ssid_len = min_t(u8, ssid_eid[1], 32); 1151 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); 1152 conn.channel = ch - 1; 1153 1154 ether_addr_copy(conn.bssid, bss->bssid); 1155 ether_addr_copy(conn.dst_mac, bss->bssid); 1156 1157 set_bit(wil_vif_fwconnecting, vif->status); 1158 1159 rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn)); 1160 if (rc == 0) { 1161 netif_carrier_on(ndev); 1162 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 1163 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); 1164 vif->bss = bss; 1165 /* Connect can take lots of time */ 1166 mod_timer(&vif->connect_timer, 1167 jiffies + msecs_to_jiffies(5000)); 1168 } else { 1169 clear_bit(wil_vif_fwconnecting, vif->status); 1170 } 1171 1172 out: 1173 cfg80211_put_bss(wiphy, bss); 1174 1175 return rc; 1176 } 1177 1178 static int wil_cfg80211_disconnect(struct wiphy *wiphy, 1179 struct net_device *ndev, 1180 u16 reason_code) 1181 { 1182 int rc; 1183 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1184 struct wil6210_vif *vif = ndev_to_vif(ndev); 1185 1186 wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n", 1187 reason_code, vif->mid); 1188 1189 if (!(test_bit(wil_vif_fwconnecting, vif->status) || 1190 test_bit(wil_vif_fwconnected, vif->status))) { 1191 wil_err(wil, "Disconnect was called while disconnected\n"); 1192 return 0; 1193 } 1194 1195 vif->locally_generated_disc = true; 1196 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0, 1197 WMI_DISCONNECT_EVENTID, NULL, 0, 1198 WIL6210_DISCONNECT_TO_MS); 1199 if (rc) 1200 wil_err(wil, "disconnect error %d\n", rc); 1201 1202 return rc; 1203 } 1204 1205 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1206 { 1207 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1208 int rc; 1209 1210 /* these parameters are explicitly not supported */ 1211 if (changed & (WIPHY_PARAM_RETRY_LONG | 1212 WIPHY_PARAM_FRAG_THRESHOLD | 1213 WIPHY_PARAM_RTS_THRESHOLD)) 1214 return -ENOTSUPP; 1215 1216 if (changed & WIPHY_PARAM_RETRY_SHORT) { 1217 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short); 1218 if (rc) 1219 return rc; 1220 } 1221 1222 return 0; 1223 } 1224 1225 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1226 struct cfg80211_mgmt_tx_params *params, 1227 u64 *cookie) 1228 { 1229 const u8 *buf = params->buf; 1230 size_t len = params->len; 1231 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1232 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 1233 int rc; 1234 bool tx_status; 1235 1236 wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n", 1237 params->chan ? params->chan->hw_value : -1, 1238 params->offchan, 1239 params->wait); 1240 1241 /* Note, currently we support the "wait" parameter only on AP mode. 1242 * In other modes, user-space must call remain_on_channel before 1243 * mgmt_tx or listen on a channel other than active one. 1244 */ 1245 1246 if (params->chan && params->chan->hw_value == 0) { 1247 wil_err(wil, "invalid channel\n"); 1248 return -EINVAL; 1249 } 1250 1251 if (wdev->iftype != NL80211_IFTYPE_AP) { 1252 wil_dbg_misc(wil, 1253 "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n"); 1254 rc = wmi_mgmt_tx(vif, buf, len); 1255 goto out; 1256 } 1257 1258 if (!params->chan || params->chan->hw_value == vif->channel) { 1259 wil_dbg_misc(wil, 1260 "send WMI_SW_TX_REQ_CMDID for on-channel\n"); 1261 rc = wmi_mgmt_tx(vif, buf, len); 1262 goto out; 1263 } 1264 1265 if (params->offchan == 0) { 1266 wil_err(wil, 1267 "invalid channel params: current %d requested %d, off-channel not allowed\n", 1268 vif->channel, params->chan->hw_value); 1269 return -EBUSY; 1270 } 1271 1272 /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */ 1273 rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value, 1274 params->wait); 1275 1276 out: 1277 /* when the sent packet was not acked by receiver(ACK=0), rc will 1278 * be -EAGAIN. In this case this function needs to return success, 1279 * the ACK=0 will be reflected in tx_status. 1280 */ 1281 tx_status = (rc == 0); 1282 rc = (rc == -EAGAIN) ? 0 : rc; 1283 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, 1284 tx_status, GFP_KERNEL); 1285 1286 return rc; 1287 } 1288 1289 static int wil_cfg80211_set_channel(struct wiphy *wiphy, 1290 struct cfg80211_chan_def *chandef) 1291 { 1292 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1293 1294 wil->monitor_chandef = *chandef; 1295 1296 return 0; 1297 } 1298 1299 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev, 1300 bool pairwise) 1301 { 1302 struct wil6210_priv *wil = wdev_to_wil(wdev); 1303 enum wmi_key_usage rc; 1304 1305 if (pairwise) { 1306 rc = WMI_KEY_USE_PAIRWISE; 1307 } else { 1308 switch (wdev->iftype) { 1309 case NL80211_IFTYPE_STATION: 1310 case NL80211_IFTYPE_P2P_CLIENT: 1311 rc = WMI_KEY_USE_RX_GROUP; 1312 break; 1313 case NL80211_IFTYPE_AP: 1314 case NL80211_IFTYPE_P2P_GO: 1315 rc = WMI_KEY_USE_TX_GROUP; 1316 break; 1317 default: 1318 /* TODO: Rx GTK or Tx GTK? */ 1319 wil_err(wil, "Can't determine GTK type\n"); 1320 rc = WMI_KEY_USE_RX_GROUP; 1321 break; 1322 } 1323 } 1324 wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]); 1325 1326 return rc; 1327 } 1328 1329 static struct wil_sta_info * 1330 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid, 1331 enum wmi_key_usage key_usage, const u8 *mac_addr) 1332 { 1333 int cid = -EINVAL; 1334 1335 if (key_usage == WMI_KEY_USE_TX_GROUP) 1336 return NULL; /* not needed */ 1337 1338 /* supplicant provides Rx group key in STA mode with NULL MAC address */ 1339 if (mac_addr) 1340 cid = wil_find_cid(wil, mid, mac_addr); 1341 else if (key_usage == WMI_KEY_USE_RX_GROUP) 1342 cid = wil_find_cid_by_idx(wil, mid, 0); 1343 if (cid < 0) { 1344 wil_err(wil, "No CID for %pM %s\n", mac_addr, 1345 key_usage_str[key_usage]); 1346 return ERR_PTR(cid); 1347 } 1348 1349 return &wil->sta[cid]; 1350 } 1351 1352 void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, 1353 struct wil_sta_info *cs, 1354 struct key_params *params) 1355 { 1356 struct wil_tid_crypto_rx_single *cc; 1357 int tid; 1358 1359 if (!cs) 1360 return; 1361 1362 switch (key_usage) { 1363 case WMI_KEY_USE_PAIRWISE: 1364 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 1365 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 1366 if (params->seq) 1367 memcpy(cc->pn, params->seq, 1368 IEEE80211_GCMP_PN_LEN); 1369 else 1370 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 1371 cc->key_set = true; 1372 } 1373 break; 1374 case WMI_KEY_USE_RX_GROUP: 1375 cc = &cs->group_crypto_rx.key_id[key_index]; 1376 if (params->seq) 1377 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); 1378 else 1379 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 1380 cc->key_set = true; 1381 break; 1382 default: 1383 break; 1384 } 1385 } 1386 1387 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, 1388 struct wil_sta_info *cs) 1389 { 1390 struct wil_tid_crypto_rx_single *cc; 1391 int tid; 1392 1393 if (!cs) 1394 return; 1395 1396 switch (key_usage) { 1397 case WMI_KEY_USE_PAIRWISE: 1398 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 1399 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 1400 cc->key_set = false; 1401 } 1402 break; 1403 case WMI_KEY_USE_RX_GROUP: 1404 cc = &cs->group_crypto_rx.key_id[key_index]; 1405 cc->key_set = false; 1406 break; 1407 default: 1408 break; 1409 } 1410 } 1411 1412 static int wil_cfg80211_add_key(struct wiphy *wiphy, 1413 struct net_device *ndev, 1414 u8 key_index, bool pairwise, 1415 const u8 *mac_addr, 1416 struct key_params *params) 1417 { 1418 int rc; 1419 struct wil6210_vif *vif = ndev_to_vif(ndev); 1420 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1421 struct wireless_dev *wdev = vif_to_wdev(vif); 1422 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); 1423 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, 1424 key_usage, 1425 mac_addr); 1426 1427 if (!params) { 1428 wil_err(wil, "NULL params\n"); 1429 return -EINVAL; 1430 } 1431 1432 wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", 1433 mac_addr, key_usage_str[key_usage], key_index, 1434 params->seq_len, params->seq); 1435 1436 if (IS_ERR(cs)) { 1437 /* in FT, sta info may not be available as add_key may be 1438 * sent by host before FW sends WMI_CONNECT_EVENT 1439 */ 1440 if (!test_bit(wil_vif_ft_roam, vif->status)) { 1441 wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n", 1442 mac_addr, key_usage_str[key_usage], key_index, 1443 params->seq_len, params->seq); 1444 return -EINVAL; 1445 } 1446 } 1447 1448 if (!IS_ERR(cs)) 1449 wil_del_rx_key(key_index, key_usage, cs); 1450 1451 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { 1452 wil_err(wil, 1453 "Wrong PN len %d, %pM %s[%d] PN %*phN\n", 1454 params->seq_len, mac_addr, 1455 key_usage_str[key_usage], key_index, 1456 params->seq_len, params->seq); 1457 return -EINVAL; 1458 } 1459 1460 rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len, 1461 params->key, key_usage); 1462 if (!rc && !IS_ERR(cs)) { 1463 /* update local storage used for AP recovery */ 1464 if (key_usage == WMI_KEY_USE_TX_GROUP && params->key && 1465 params->key_len <= WMI_MAX_KEY_LEN) { 1466 vif->gtk_index = key_index; 1467 memcpy(vif->gtk, params->key, params->key_len); 1468 vif->gtk_len = params->key_len; 1469 } 1470 /* in FT set crypto will take place upon receiving 1471 * WMI_RING_EN_EVENTID event 1472 */ 1473 wil_set_crypto_rx(key_index, key_usage, cs, params); 1474 } 1475 1476 return rc; 1477 } 1478 1479 static int wil_cfg80211_del_key(struct wiphy *wiphy, 1480 struct net_device *ndev, 1481 u8 key_index, bool pairwise, 1482 const u8 *mac_addr) 1483 { 1484 struct wil6210_vif *vif = ndev_to_vif(ndev); 1485 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1486 struct wireless_dev *wdev = vif_to_wdev(vif); 1487 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); 1488 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, 1489 key_usage, 1490 mac_addr); 1491 1492 wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr, 1493 key_usage_str[key_usage], key_index); 1494 1495 if (IS_ERR(cs)) 1496 wil_info(wil, "Not connected, %pM %s[%d]\n", 1497 mac_addr, key_usage_str[key_usage], key_index); 1498 1499 if (!IS_ERR_OR_NULL(cs)) 1500 wil_del_rx_key(key_index, key_usage, cs); 1501 1502 return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage); 1503 } 1504 1505 /* Need to be present or wiphy_new() will WARN */ 1506 static int wil_cfg80211_set_default_key(struct wiphy *wiphy, 1507 struct net_device *ndev, 1508 u8 key_index, bool unicast, 1509 bool multicast) 1510 { 1511 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1512 1513 wil_dbg_misc(wil, "set_default_key: entered\n"); 1514 return 0; 1515 } 1516 1517 static int wil_remain_on_channel(struct wiphy *wiphy, 1518 struct wireless_dev *wdev, 1519 struct ieee80211_channel *chan, 1520 unsigned int duration, 1521 u64 *cookie) 1522 { 1523 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1524 int rc; 1525 1526 wil_dbg_misc(wil, 1527 "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n", 1528 chan->center_freq, duration, wdev->iftype); 1529 1530 rc = wil_p2p_listen(wil, wdev, duration, chan, cookie); 1531 return rc; 1532 } 1533 1534 static int wil_cancel_remain_on_channel(struct wiphy *wiphy, 1535 struct wireless_dev *wdev, 1536 u64 cookie) 1537 { 1538 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1539 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 1540 1541 wil_dbg_misc(wil, "cancel_remain_on_channel\n"); 1542 1543 return wil_p2p_cancel_listen(vif, cookie); 1544 } 1545 1546 /** 1547 * find a specific IE in a list of IEs 1548 * return a pointer to the beginning of IE in the list 1549 * or NULL if not found 1550 */ 1551 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, 1552 u16 ie_len) 1553 { 1554 struct ieee80211_vendor_ie *vie; 1555 u32 oui; 1556 1557 /* IE tag at offset 0, length at offset 1 */ 1558 if (ie_len < 2 || 2 + ie[1] > ie_len) 1559 return NULL; 1560 1561 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) 1562 return cfg80211_find_ie(ie[0], ies, ies_len); 1563 1564 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ 1565 if (ie[1] < 4) 1566 return NULL; 1567 vie = (struct ieee80211_vendor_ie *)ie; 1568 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; 1569 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, 1570 ies_len); 1571 } 1572 1573 /** 1574 * merge the IEs in two lists into a single list. 1575 * do not include IEs from the second list which exist in the first list. 1576 * add only vendor specific IEs from second list to keep 1577 * the merged list sorted (since vendor-specific IE has the 1578 * highest tag number) 1579 * caller must free the allocated memory for merged IEs 1580 */ 1581 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, 1582 const u8 *ies2, u16 ies2_len, 1583 u8 **merged_ies, u16 *merged_len) 1584 { 1585 u8 *buf, *dpos; 1586 const u8 *spos; 1587 1588 if (!ies1) 1589 ies1_len = 0; 1590 1591 if (!ies2) 1592 ies2_len = 0; 1593 1594 if (ies1_len == 0 && ies2_len == 0) { 1595 *merged_ies = NULL; 1596 *merged_len = 0; 1597 return 0; 1598 } 1599 1600 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); 1601 if (!buf) 1602 return -ENOMEM; 1603 if (ies1) 1604 memcpy(buf, ies1, ies1_len); 1605 dpos = buf + ies1_len; 1606 spos = ies2; 1607 while (spos && (spos + 1 < ies2 + ies2_len)) { 1608 /* IE tag at offset 0, length at offset 1 */ 1609 u16 ielen = 2 + spos[1]; 1610 1611 if (spos + ielen > ies2 + ies2_len) 1612 break; 1613 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && 1614 (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len, 1615 spos, ielen))) { 1616 memcpy(dpos, spos, ielen); 1617 dpos += ielen; 1618 } 1619 spos += ielen; 1620 } 1621 1622 *merged_ies = buf; 1623 *merged_len = dpos - buf; 1624 return 0; 1625 } 1626 1627 static void wil_print_bcon_data(struct cfg80211_beacon_data *b) 1628 { 1629 wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1, 1630 b->head, b->head_len, true); 1631 wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1, 1632 b->tail, b->tail_len, true); 1633 wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1, 1634 b->beacon_ies, b->beacon_ies_len, true); 1635 wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, 1636 b->probe_resp, b->probe_resp_len, true); 1637 wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1, 1638 b->proberesp_ies, b->proberesp_ies_len, true); 1639 wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1, 1640 b->assocresp_ies, b->assocresp_ies_len, true); 1641 } 1642 1643 /* internal functions for device reset and starting AP */ 1644 static u8 * 1645 _wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len, 1646 u16 *ies_len) 1647 { 1648 u8 *ies = NULL; 1649 1650 if (proberesp) { 1651 struct ieee80211_mgmt *f = 1652 (struct ieee80211_mgmt *)proberesp; 1653 size_t hlen = offsetof(struct ieee80211_mgmt, 1654 u.probe_resp.variable); 1655 1656 ies = f->u.probe_resp.variable; 1657 if (ies_len) 1658 *ies_len = proberesp_len - hlen; 1659 } 1660 1661 return ies; 1662 } 1663 1664 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif, 1665 struct cfg80211_beacon_data *bcon) 1666 { 1667 int rc; 1668 u16 len = 0, proberesp_len = 0; 1669 u8 *ies = NULL, *proberesp; 1670 1671 /* update local storage used for AP recovery */ 1672 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp, 1673 bcon->probe_resp_len); 1674 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, 1675 bcon->proberesp_ies, bcon->proberesp_ies_len); 1676 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, 1677 bcon->assocresp_ies, bcon->assocresp_ies_len); 1678 1679 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp, 1680 bcon->probe_resp_len, 1681 &proberesp_len); 1682 rc = _wil_cfg80211_merge_extra_ies(proberesp, 1683 proberesp_len, 1684 bcon->proberesp_ies, 1685 bcon->proberesp_ies_len, 1686 &ies, &len); 1687 1688 if (rc) 1689 goto out; 1690 1691 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies); 1692 if (rc) 1693 goto out; 1694 1695 if (bcon->assocresp_ies) 1696 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, 1697 bcon->assocresp_ies_len, bcon->assocresp_ies); 1698 else 1699 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies); 1700 #if 0 /* to use beacon IE's, remove this #if 0 */ 1701 if (rc) 1702 goto out; 1703 1704 rc = wmi_set_ie(vif, WMI_FRAME_BEACON, 1705 bcon->tail_len, bcon->tail); 1706 #endif 1707 out: 1708 kfree(ies); 1709 return rc; 1710 } 1711 1712 static int _wil_cfg80211_start_ap(struct wiphy *wiphy, 1713 struct net_device *ndev, 1714 const u8 *ssid, size_t ssid_len, u32 privacy, 1715 int bi, u8 chan, 1716 struct cfg80211_beacon_data *bcon, 1717 u8 hidden_ssid, u32 pbss) 1718 { 1719 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1720 struct wil6210_vif *vif = ndev_to_vif(ndev); 1721 int rc; 1722 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1723 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); 1724 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); 1725 u16 proberesp_len = 0; 1726 u8 *proberesp; 1727 bool ft = false; 1728 1729 if (pbss) 1730 wmi_nettype = WMI_NETTYPE_P2P; 1731 1732 wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go); 1733 if (is_go && !pbss) { 1734 wil_err(wil, "P2P GO must be in PBSS\n"); 1735 return -ENOTSUPP; 1736 } 1737 1738 wil_set_recovery_state(wil, fw_recovery_idle); 1739 1740 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp, 1741 bcon->probe_resp_len, 1742 &proberesp_len); 1743 /* check that the probe response IEs has a MDE */ 1744 if ((proberesp && proberesp_len > 0 && 1745 cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN, 1746 proberesp, 1747 proberesp_len))) 1748 ft = true; 1749 1750 if (ft) { 1751 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, 1752 wil->fw_capabilities)) { 1753 wil_err(wil, "FW does not support FT roaming\n"); 1754 return -ENOTSUPP; 1755 } 1756 set_bit(wil_vif_ft_roam, vif->status); 1757 } 1758 1759 mutex_lock(&wil->mutex); 1760 1761 if (!wil_has_other_active_ifaces(wil, ndev, true, false)) { 1762 __wil_down(wil); 1763 rc = __wil_up(wil); 1764 if (rc) 1765 goto out; 1766 } 1767 1768 rc = wmi_set_ssid(vif, ssid_len, ssid); 1769 if (rc) 1770 goto out; 1771 1772 rc = _wil_cfg80211_set_ies(vif, bcon); 1773 if (rc) 1774 goto out; 1775 1776 vif->privacy = privacy; 1777 vif->channel = chan; 1778 vif->hidden_ssid = hidden_ssid; 1779 vif->pbss = pbss; 1780 vif->bi = bi; 1781 memcpy(vif->ssid, ssid, ssid_len); 1782 vif->ssid_len = ssid_len; 1783 1784 netif_carrier_on(ndev); 1785 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 1786 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); 1787 1788 rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, hidden_ssid, is_go); 1789 if (rc) 1790 goto err_pcp_start; 1791 1792 rc = wil_bcast_init(vif); 1793 if (rc) 1794 goto err_bcast; 1795 1796 goto out; /* success */ 1797 1798 err_bcast: 1799 wmi_pcp_stop(vif); 1800 err_pcp_start: 1801 netif_carrier_off(ndev); 1802 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 1803 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1804 out: 1805 mutex_unlock(&wil->mutex); 1806 return rc; 1807 } 1808 1809 void wil_cfg80211_ap_recovery(struct wil6210_priv *wil) 1810 { 1811 int rc, i; 1812 struct wiphy *wiphy = wil_to_wiphy(wil); 1813 1814 for (i = 0; i < GET_MAX_VIFS(wil); i++) { 1815 struct wil6210_vif *vif = wil->vifs[i]; 1816 struct net_device *ndev; 1817 struct cfg80211_beacon_data bcon = {}; 1818 struct key_params key_params = {}; 1819 1820 if (!vif || vif->ssid_len == 0) 1821 continue; 1822 1823 ndev = vif_to_ndev(vif); 1824 bcon.proberesp_ies = vif->proberesp_ies; 1825 bcon.assocresp_ies = vif->assocresp_ies; 1826 bcon.probe_resp = vif->proberesp; 1827 bcon.proberesp_ies_len = vif->proberesp_ies_len; 1828 bcon.assocresp_ies_len = vif->assocresp_ies_len; 1829 bcon.probe_resp_len = vif->proberesp_len; 1830 1831 wil_info(wil, 1832 "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n", 1833 i, vif->privacy, vif->bi, vif->channel, 1834 vif->hidden_ssid, vif->pbss); 1835 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 1836 vif->ssid, vif->ssid_len, true); 1837 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1838 vif->ssid, vif->ssid_len, 1839 vif->privacy, vif->bi, 1840 vif->channel, &bcon, 1841 vif->hidden_ssid, vif->pbss); 1842 if (rc) { 1843 wil_err(wil, "vif %d recovery failed (%d)\n", i, rc); 1844 continue; 1845 } 1846 1847 if (!vif->privacy || vif->gtk_len == 0) 1848 continue; 1849 1850 key_params.key = vif->gtk; 1851 key_params.key_len = vif->gtk_len; 1852 key_params.seq_len = IEEE80211_GCMP_PN_LEN; 1853 rc = wil_cfg80211_add_key(wiphy, ndev, vif->gtk_index, false, 1854 NULL, &key_params); 1855 if (rc) 1856 wil_err(wil, "vif %d recovery add key failed (%d)\n", 1857 i, rc); 1858 } 1859 } 1860 1861 static int wil_cfg80211_change_beacon(struct wiphy *wiphy, 1862 struct net_device *ndev, 1863 struct cfg80211_beacon_data *bcon) 1864 { 1865 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1866 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1867 struct wil6210_vif *vif = ndev_to_vif(ndev); 1868 int rc; 1869 u32 privacy = 0; 1870 1871 wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid); 1872 wil_print_bcon_data(bcon); 1873 1874 if (bcon->tail && 1875 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, 1876 bcon->tail_len)) 1877 privacy = 1; 1878 1879 memcpy(vif->ssid, wdev->ssid, wdev->ssid_len); 1880 vif->ssid_len = wdev->ssid_len; 1881 1882 /* in case privacy has changed, need to restart the AP */ 1883 if (vif->privacy != privacy) { 1884 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", 1885 vif->privacy, privacy); 1886 1887 rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid, 1888 vif->ssid_len, privacy, 1889 wdev->beacon_interval, 1890 vif->channel, bcon, 1891 vif->hidden_ssid, 1892 vif->pbss); 1893 } else { 1894 rc = _wil_cfg80211_set_ies(vif, bcon); 1895 } 1896 1897 return rc; 1898 } 1899 1900 static int wil_cfg80211_start_ap(struct wiphy *wiphy, 1901 struct net_device *ndev, 1902 struct cfg80211_ap_settings *info) 1903 { 1904 int rc; 1905 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1906 struct ieee80211_channel *channel = info->chandef.chan; 1907 struct cfg80211_beacon_data *bcon = &info->beacon; 1908 struct cfg80211_crypto_settings *crypto = &info->crypto; 1909 u8 hidden_ssid; 1910 1911 wil_dbg_misc(wil, "start_ap\n"); 1912 1913 if (!channel) { 1914 wil_err(wil, "AP: No channel???\n"); 1915 return -EINVAL; 1916 } 1917 1918 switch (info->hidden_ssid) { 1919 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1920 hidden_ssid = WMI_HIDDEN_SSID_DISABLED; 1921 break; 1922 1923 case NL80211_HIDDEN_SSID_ZERO_LEN: 1924 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; 1925 break; 1926 1927 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1928 hidden_ssid = WMI_HIDDEN_SSID_CLEAR; 1929 break; 1930 1931 default: 1932 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); 1933 return -EOPNOTSUPP; 1934 } 1935 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, 1936 channel->center_freq, info->privacy ? "secure" : "open"); 1937 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", 1938 info->privacy, info->auth_type); 1939 wil_dbg_misc(wil, "Hidden SSID mode: %d\n", 1940 info->hidden_ssid); 1941 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, 1942 info->dtim_period); 1943 wil_dbg_misc(wil, "PBSS %d\n", info->pbss); 1944 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 1945 info->ssid, info->ssid_len, true); 1946 wil_print_bcon_data(bcon); 1947 wil_print_crypto(wil, crypto); 1948 1949 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1950 info->ssid, info->ssid_len, info->privacy, 1951 info->beacon_interval, channel->hw_value, 1952 bcon, hidden_ssid, info->pbss); 1953 1954 return rc; 1955 } 1956 1957 static int wil_cfg80211_stop_ap(struct wiphy *wiphy, 1958 struct net_device *ndev) 1959 { 1960 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1961 struct wil6210_vif *vif = ndev_to_vif(ndev); 1962 bool last; 1963 1964 wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid); 1965 1966 netif_carrier_off(ndev); 1967 last = !wil_has_other_active_ifaces(wil, ndev, false, true); 1968 if (last) { 1969 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1970 wil_set_recovery_state(wil, fw_recovery_idle); 1971 set_bit(wil_status_resetting, wil->status); 1972 } 1973 1974 mutex_lock(&wil->mutex); 1975 1976 wmi_pcp_stop(vif); 1977 clear_bit(wil_vif_ft_roam, vif->status); 1978 vif->ssid_len = 0; 1979 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0); 1980 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0); 1981 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0); 1982 memset(vif->gtk, 0, WMI_MAX_KEY_LEN); 1983 vif->gtk_len = 0; 1984 1985 if (last) 1986 __wil_down(wil); 1987 else 1988 wil_bcast_fini(vif); 1989 1990 mutex_unlock(&wil->mutex); 1991 1992 return 0; 1993 } 1994 1995 static int wil_cfg80211_add_station(struct wiphy *wiphy, 1996 struct net_device *dev, 1997 const u8 *mac, 1998 struct station_parameters *params) 1999 { 2000 struct wil6210_vif *vif = ndev_to_vif(dev); 2001 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2002 2003 wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n", 2004 mac, params->aid, vif->mid, 2005 params->sta_flags_mask, params->sta_flags_set); 2006 2007 if (!disable_ap_sme) { 2008 wil_err(wil, "not supported with AP SME enabled\n"); 2009 return -EOPNOTSUPP; 2010 } 2011 2012 if (params->aid > WIL_MAX_DMG_AID) { 2013 wil_err(wil, "invalid aid\n"); 2014 return -EINVAL; 2015 } 2016 2017 return wmi_new_sta(vif, mac, params->aid); 2018 } 2019 2020 static int wil_cfg80211_del_station(struct wiphy *wiphy, 2021 struct net_device *dev, 2022 struct station_del_parameters *params) 2023 { 2024 struct wil6210_vif *vif = ndev_to_vif(dev); 2025 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2026 2027 wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n", 2028 params->mac, params->reason_code, vif->mid); 2029 2030 mutex_lock(&wil->mutex); 2031 wil6210_disconnect(vif, params->mac, params->reason_code); 2032 mutex_unlock(&wil->mutex); 2033 2034 return 0; 2035 } 2036 2037 static int wil_cfg80211_change_station(struct wiphy *wiphy, 2038 struct net_device *dev, 2039 const u8 *mac, 2040 struct station_parameters *params) 2041 { 2042 struct wil6210_vif *vif = ndev_to_vif(dev); 2043 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2044 int authorize; 2045 int cid, i; 2046 struct wil_ring_tx_data *txdata = NULL; 2047 2048 wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n", 2049 mac, params->sta_flags_mask, params->sta_flags_set, 2050 vif->mid); 2051 2052 if (!disable_ap_sme) { 2053 wil_dbg_misc(wil, "not supported with AP SME enabled\n"); 2054 return -EOPNOTSUPP; 2055 } 2056 2057 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 2058 return 0; 2059 2060 cid = wil_find_cid(wil, vif->mid, mac); 2061 if (cid < 0) { 2062 wil_err(wil, "station not found\n"); 2063 return -ENOLINK; 2064 } 2065 2066 for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) 2067 if (wil->ring2cid_tid[i][0] == cid) { 2068 txdata = &wil->ring_tx_data[i]; 2069 break; 2070 } 2071 2072 if (!txdata) { 2073 wil_err(wil, "ring data not found\n"); 2074 return -ENOLINK; 2075 } 2076 2077 authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); 2078 txdata->dot1x_open = authorize ? 1 : 0; 2079 wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i, 2080 txdata->dot1x_open); 2081 2082 return 0; 2083 } 2084 2085 /* probe_client handling */ 2086 static void wil_probe_client_handle(struct wil6210_priv *wil, 2087 struct wil6210_vif *vif, 2088 struct wil_probe_client_req *req) 2089 { 2090 struct net_device *ndev = vif_to_ndev(vif); 2091 struct wil_sta_info *sta = &wil->sta[req->cid]; 2092 /* assume STA is alive if it is still connected, 2093 * else FW will disconnect it 2094 */ 2095 bool alive = (sta->status == wil_sta_connected); 2096 2097 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, 2098 0, false, GFP_KERNEL); 2099 } 2100 2101 static struct list_head *next_probe_client(struct wil6210_vif *vif) 2102 { 2103 struct list_head *ret = NULL; 2104 2105 mutex_lock(&vif->probe_client_mutex); 2106 2107 if (!list_empty(&vif->probe_client_pending)) { 2108 ret = vif->probe_client_pending.next; 2109 list_del(ret); 2110 } 2111 2112 mutex_unlock(&vif->probe_client_mutex); 2113 2114 return ret; 2115 } 2116 2117 void wil_probe_client_worker(struct work_struct *work) 2118 { 2119 struct wil6210_vif *vif = container_of(work, struct wil6210_vif, 2120 probe_client_worker); 2121 struct wil6210_priv *wil = vif_to_wil(vif); 2122 struct wil_probe_client_req *req; 2123 struct list_head *lh; 2124 2125 while ((lh = next_probe_client(vif)) != NULL) { 2126 req = list_entry(lh, struct wil_probe_client_req, list); 2127 2128 wil_probe_client_handle(wil, vif, req); 2129 kfree(req); 2130 } 2131 } 2132 2133 void wil_probe_client_flush(struct wil6210_vif *vif) 2134 { 2135 struct wil_probe_client_req *req, *t; 2136 struct wil6210_priv *wil = vif_to_wil(vif); 2137 2138 wil_dbg_misc(wil, "probe_client_flush\n"); 2139 2140 mutex_lock(&vif->probe_client_mutex); 2141 2142 list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) { 2143 list_del(&req->list); 2144 kfree(req); 2145 } 2146 2147 mutex_unlock(&vif->probe_client_mutex); 2148 } 2149 2150 static int wil_cfg80211_probe_client(struct wiphy *wiphy, 2151 struct net_device *dev, 2152 const u8 *peer, u64 *cookie) 2153 { 2154 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2155 struct wil6210_vif *vif = ndev_to_vif(dev); 2156 struct wil_probe_client_req *req; 2157 int cid = wil_find_cid(wil, vif->mid, peer); 2158 2159 wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n", 2160 peer, cid, vif->mid); 2161 2162 if (cid < 0) 2163 return -ENOLINK; 2164 2165 req = kzalloc(sizeof(*req), GFP_KERNEL); 2166 if (!req) 2167 return -ENOMEM; 2168 2169 req->cid = cid; 2170 req->cookie = cid; 2171 2172 mutex_lock(&vif->probe_client_mutex); 2173 list_add_tail(&req->list, &vif->probe_client_pending); 2174 mutex_unlock(&vif->probe_client_mutex); 2175 2176 *cookie = req->cookie; 2177 queue_work(wil->wq_service, &vif->probe_client_worker); 2178 return 0; 2179 } 2180 2181 static int wil_cfg80211_change_bss(struct wiphy *wiphy, 2182 struct net_device *dev, 2183 struct bss_parameters *params) 2184 { 2185 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2186 struct wil6210_vif *vif = ndev_to_vif(dev); 2187 2188 if (params->ap_isolate >= 0) { 2189 wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n", 2190 vif->mid, vif->ap_isolate, params->ap_isolate); 2191 vif->ap_isolate = params->ap_isolate; 2192 } 2193 2194 return 0; 2195 } 2196 2197 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy, 2198 struct net_device *dev, 2199 bool enabled, int timeout) 2200 { 2201 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2202 enum wmi_ps_profile_type ps_profile; 2203 2204 wil_dbg_misc(wil, "enabled=%d, timeout=%d\n", 2205 enabled, timeout); 2206 2207 if (enabled) 2208 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; 2209 else 2210 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED; 2211 2212 return wil_ps_update(wil, ps_profile); 2213 } 2214 2215 static int wil_cfg80211_suspend(struct wiphy *wiphy, 2216 struct cfg80211_wowlan *wow) 2217 { 2218 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2219 int rc; 2220 2221 /* Setting the wakeup trigger based on wow is TBD */ 2222 2223 if (test_bit(wil_status_suspended, wil->status)) { 2224 wil_dbg_pm(wil, "trying to suspend while suspended\n"); 2225 return 0; 2226 } 2227 2228 rc = wil_can_suspend(wil, false); 2229 if (rc) 2230 goto out; 2231 2232 wil_dbg_pm(wil, "suspending\n"); 2233 2234 mutex_lock(&wil->mutex); 2235 mutex_lock(&wil->vif_mutex); 2236 wil_p2p_stop_radio_operations(wil); 2237 wil_abort_scan_all_vifs(wil, true); 2238 mutex_unlock(&wil->vif_mutex); 2239 mutex_unlock(&wil->mutex); 2240 2241 out: 2242 return rc; 2243 } 2244 2245 static int wil_cfg80211_resume(struct wiphy *wiphy) 2246 { 2247 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2248 2249 wil_dbg_pm(wil, "resuming\n"); 2250 2251 return 0; 2252 } 2253 2254 static int 2255 wil_cfg80211_sched_scan_start(struct wiphy *wiphy, 2256 struct net_device *dev, 2257 struct cfg80211_sched_scan_request *request) 2258 { 2259 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2260 struct wil6210_vif *vif = ndev_to_vif(dev); 2261 int i, rc; 2262 2263 if (vif->mid != 0) 2264 return -EOPNOTSUPP; 2265 2266 wil_dbg_misc(wil, 2267 "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n", 2268 request->n_ssids, request->ie_len, request->flags); 2269 for (i = 0; i < request->n_ssids; i++) { 2270 wil_dbg_misc(wil, "SSID[%d]:", i); 2271 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2272 request->ssids[i].ssid, 2273 request->ssids[i].ssid_len, true); 2274 } 2275 wil_dbg_misc(wil, "channels:"); 2276 for (i = 0; i < request->n_channels; i++) 2277 wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value, 2278 i == request->n_channels - 1 ? "\n" : ""); 2279 wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n", 2280 request->n_match_sets, request->min_rssi_thold, 2281 request->delay); 2282 for (i = 0; i < request->n_match_sets; i++) { 2283 struct cfg80211_match_set *ms = &request->match_sets[i]; 2284 2285 wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n", 2286 i, ms->rssi_thold); 2287 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2288 ms->ssid.ssid, 2289 ms->ssid.ssid_len, true); 2290 } 2291 wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans); 2292 for (i = 0; i < request->n_scan_plans; i++) { 2293 struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i]; 2294 2295 wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n", 2296 i, sp->interval, sp->iterations); 2297 } 2298 2299 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ, 2300 request->ie_len, request->ie); 2301 if (rc) 2302 return rc; 2303 return wmi_start_sched_scan(wil, request); 2304 } 2305 2306 static int 2307 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 2308 u64 reqid) 2309 { 2310 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2311 struct wil6210_vif *vif = ndev_to_vif(dev); 2312 int rc; 2313 2314 if (vif->mid != 0) 2315 return -EOPNOTSUPP; 2316 2317 rc = wmi_stop_sched_scan(wil); 2318 /* device would return error if it thinks PNO is already stopped. 2319 * ignore the return code so user space and driver gets back in-sync 2320 */ 2321 wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc); 2322 2323 return 0; 2324 } 2325 2326 static int 2327 wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev, 2328 struct cfg80211_update_ft_ies_params *ftie) 2329 { 2330 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2331 struct wil6210_vif *vif = ndev_to_vif(dev); 2332 struct cfg80211_bss *bss; 2333 struct wmi_ft_reassoc_cmd reassoc; 2334 int rc = 0; 2335 2336 wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid); 2337 wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1, 2338 ftie->ie, ftie->ie_len, true); 2339 2340 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) { 2341 wil_err(wil, "FW does not support FT roaming\n"); 2342 return -EOPNOTSUPP; 2343 } 2344 2345 rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie); 2346 if (rc) 2347 return rc; 2348 2349 if (!test_bit(wil_vif_ft_roam, vif->status)) 2350 /* vif is not roaming */ 2351 return 0; 2352 2353 /* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as 2354 * a trigger for reassoc 2355 */ 2356 2357 bss = vif->bss; 2358 if (!bss) { 2359 wil_err(wil, "FT: bss is NULL\n"); 2360 return -EINVAL; 2361 } 2362 2363 memset(&reassoc, 0, sizeof(reassoc)); 2364 ether_addr_copy(reassoc.bssid, bss->bssid); 2365 2366 rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid, 2367 &reassoc, sizeof(reassoc)); 2368 if (rc) 2369 wil_err(wil, "FT: reassoc failed (%d)\n", rc); 2370 2371 return rc; 2372 } 2373 2374 static const struct cfg80211_ops wil_cfg80211_ops = { 2375 .add_virtual_intf = wil_cfg80211_add_iface, 2376 .del_virtual_intf = wil_cfg80211_del_iface, 2377 .scan = wil_cfg80211_scan, 2378 .abort_scan = wil_cfg80211_abort_scan, 2379 .connect = wil_cfg80211_connect, 2380 .disconnect = wil_cfg80211_disconnect, 2381 .set_wiphy_params = wil_cfg80211_set_wiphy_params, 2382 .change_virtual_intf = wil_cfg80211_change_iface, 2383 .get_station = wil_cfg80211_get_station, 2384 .dump_station = wil_cfg80211_dump_station, 2385 .remain_on_channel = wil_remain_on_channel, 2386 .cancel_remain_on_channel = wil_cancel_remain_on_channel, 2387 .mgmt_tx = wil_cfg80211_mgmt_tx, 2388 .set_monitor_channel = wil_cfg80211_set_channel, 2389 .add_key = wil_cfg80211_add_key, 2390 .del_key = wil_cfg80211_del_key, 2391 .set_default_key = wil_cfg80211_set_default_key, 2392 /* AP mode */ 2393 .change_beacon = wil_cfg80211_change_beacon, 2394 .start_ap = wil_cfg80211_start_ap, 2395 .stop_ap = wil_cfg80211_stop_ap, 2396 .add_station = wil_cfg80211_add_station, 2397 .del_station = wil_cfg80211_del_station, 2398 .change_station = wil_cfg80211_change_station, 2399 .probe_client = wil_cfg80211_probe_client, 2400 .change_bss = wil_cfg80211_change_bss, 2401 /* P2P device */ 2402 .start_p2p_device = wil_cfg80211_start_p2p_device, 2403 .stop_p2p_device = wil_cfg80211_stop_p2p_device, 2404 .set_power_mgmt = wil_cfg80211_set_power_mgmt, 2405 .suspend = wil_cfg80211_suspend, 2406 .resume = wil_cfg80211_resume, 2407 .sched_scan_start = wil_cfg80211_sched_scan_start, 2408 .sched_scan_stop = wil_cfg80211_sched_scan_stop, 2409 .update_ft_ies = wil_cfg80211_update_ft_ies, 2410 }; 2411 2412 static void wil_wiphy_init(struct wiphy *wiphy) 2413 { 2414 wiphy->max_scan_ssids = 1; 2415 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 2416 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; 2417 wiphy->max_num_pmkids = 0 /* TODO: */; 2418 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 2419 BIT(NL80211_IFTYPE_AP) | 2420 BIT(NL80211_IFTYPE_P2P_CLIENT) | 2421 BIT(NL80211_IFTYPE_P2P_GO) | 2422 BIT(NL80211_IFTYPE_P2P_DEVICE) | 2423 BIT(NL80211_IFTYPE_MONITOR); 2424 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 2425 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 2426 WIPHY_FLAG_PS_ON_BY_DEFAULT; 2427 if (!disable_ap_sme) 2428 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; 2429 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", 2430 __func__, wiphy->flags); 2431 wiphy->probe_resp_offload = 2432 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 2433 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 2434 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 2435 2436 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; 2437 2438 /* may change after reading FW capabilities */ 2439 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 2440 2441 wiphy->cipher_suites = wil_cipher_suites; 2442 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); 2443 wiphy->mgmt_stypes = wil_mgmt_stypes; 2444 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 2445 2446 wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands); 2447 wiphy->vendor_commands = wil_nl80211_vendor_commands; 2448 2449 #ifdef CONFIG_PM 2450 wiphy->wowlan = &wil_wowlan_support; 2451 #endif 2452 } 2453 2454 int wil_cfg80211_iface_combinations_from_fw( 2455 struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc) 2456 { 2457 struct wiphy *wiphy = wil_to_wiphy(wil); 2458 u32 total_limits = 0; 2459 u16 n_combos; 2460 const struct wil_fw_concurrency_combo *combo; 2461 const struct wil_fw_concurrency_limit *limit; 2462 struct ieee80211_iface_combination *iface_combinations; 2463 struct ieee80211_iface_limit *iface_limit; 2464 int i, j; 2465 2466 if (wiphy->iface_combinations) { 2467 wil_dbg_misc(wil, "iface_combinations already set, skipping\n"); 2468 return 0; 2469 } 2470 2471 combo = conc->combos; 2472 n_combos = le16_to_cpu(conc->n_combos); 2473 for (i = 0; i < n_combos; i++) { 2474 total_limits += combo->n_limits; 2475 limit = combo->limits + combo->n_limits; 2476 combo = (struct wil_fw_concurrency_combo *)limit; 2477 } 2478 2479 iface_combinations = 2480 kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) + 2481 total_limits * sizeof(struct ieee80211_iface_limit), 2482 GFP_KERNEL); 2483 if (!iface_combinations) 2484 return -ENOMEM; 2485 iface_limit = (struct ieee80211_iface_limit *)(iface_combinations + 2486 n_combos); 2487 combo = conc->combos; 2488 for (i = 0; i < n_combos; i++) { 2489 iface_combinations[i].max_interfaces = combo->max_interfaces; 2490 iface_combinations[i].num_different_channels = 2491 combo->n_diff_channels; 2492 iface_combinations[i].beacon_int_infra_match = 2493 combo->same_bi; 2494 iface_combinations[i].n_limits = combo->n_limits; 2495 wil_dbg_misc(wil, 2496 "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n", 2497 i, iface_combinations[i].max_interfaces, 2498 iface_combinations[i].num_different_channels, 2499 iface_combinations[i].beacon_int_infra_match); 2500 limit = combo->limits; 2501 for (j = 0; j < combo->n_limits; j++) { 2502 iface_limit[j].max = le16_to_cpu(limit[j].max); 2503 iface_limit[j].types = le16_to_cpu(limit[j].types); 2504 wil_dbg_misc(wil, 2505 "limit %d: max %d types 0x%x\n", j, 2506 iface_limit[j].max, iface_limit[j].types); 2507 } 2508 iface_combinations[i].limits = iface_limit; 2509 iface_limit += combo->n_limits; 2510 limit += combo->n_limits; 2511 combo = (struct wil_fw_concurrency_combo *)limit; 2512 } 2513 2514 wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids); 2515 wil->max_vifs = conc->n_mids + 1; /* including main interface */ 2516 if (wil->max_vifs > WIL_MAX_VIFS) { 2517 wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n", 2518 WIL_MAX_VIFS, wil->max_vifs); 2519 wil->max_vifs = WIL_MAX_VIFS; 2520 } 2521 wiphy->n_iface_combinations = n_combos; 2522 wiphy->iface_combinations = iface_combinations; 2523 return 0; 2524 } 2525 2526 struct wil6210_priv *wil_cfg80211_init(struct device *dev) 2527 { 2528 struct wiphy *wiphy; 2529 struct wil6210_priv *wil; 2530 struct ieee80211_channel *ch; 2531 2532 dev_dbg(dev, "%s()\n", __func__); 2533 2534 /* Note: the wireless_dev structure is no longer allocated here. 2535 * Instead, it is allocated as part of the net_device structure 2536 * for main interface and each VIF. 2537 */ 2538 wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv)); 2539 if (!wiphy) 2540 return ERR_PTR(-ENOMEM); 2541 2542 set_wiphy_dev(wiphy, dev); 2543 wil_wiphy_init(wiphy); 2544 2545 wil = wiphy_to_wil(wiphy); 2546 wil->wiphy = wiphy; 2547 2548 /* default monitor channel */ 2549 ch = wiphy->bands[NL80211_BAND_60GHZ]->channels; 2550 cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT); 2551 2552 return wil; 2553 } 2554 2555 void wil_cfg80211_deinit(struct wil6210_priv *wil) 2556 { 2557 struct wiphy *wiphy = wil_to_wiphy(wil); 2558 2559 dev_dbg(wil_to_dev(wil), "%s()\n", __func__); 2560 2561 if (!wiphy) 2562 return; 2563 2564 kfree(wiphy->iface_combinations); 2565 wiphy->iface_combinations = NULL; 2566 2567 wiphy_free(wiphy); 2568 /* do not access wil6210_priv after returning from here */ 2569 } 2570 2571 void wil_p2p_wdev_free(struct wil6210_priv *wil) 2572 { 2573 struct wireless_dev *p2p_wdev; 2574 2575 mutex_lock(&wil->vif_mutex); 2576 p2p_wdev = wil->p2p_wdev; 2577 wil->p2p_wdev = NULL; 2578 wil->radio_wdev = wil->main_ndev->ieee80211_ptr; 2579 mutex_unlock(&wil->vif_mutex); 2580 if (p2p_wdev) { 2581 cfg80211_unregister_wdev(p2p_wdev); 2582 kfree(p2p_wdev); 2583 } 2584 } 2585 2586 static int wil_rf_sector_status_to_rc(u8 status) 2587 { 2588 switch (status) { 2589 case WMI_RF_SECTOR_STATUS_SUCCESS: 2590 return 0; 2591 case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR: 2592 return -EINVAL; 2593 case WMI_RF_SECTOR_STATUS_BUSY_ERROR: 2594 return -EAGAIN; 2595 case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR: 2596 return -EOPNOTSUPP; 2597 default: 2598 return -EINVAL; 2599 } 2600 } 2601 2602 static int wil_rf_sector_get_cfg(struct wiphy *wiphy, 2603 struct wireless_dev *wdev, 2604 const void *data, int data_len) 2605 { 2606 struct wil6210_priv *wil = wdev_to_wil(wdev); 2607 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2608 int rc; 2609 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2610 u16 sector_index; 2611 u8 sector_type; 2612 u32 rf_modules_vec; 2613 struct wmi_get_rf_sector_params_cmd cmd; 2614 struct { 2615 struct wmi_cmd_hdr wmi; 2616 struct wmi_get_rf_sector_params_done_event evt; 2617 } __packed reply = { 2618 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2619 }; 2620 struct sk_buff *msg; 2621 struct nlattr *nl_cfgs, *nl_cfg; 2622 u32 i; 2623 struct wmi_rf_sector_info *si; 2624 2625 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2626 return -EOPNOTSUPP; 2627 2628 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 2629 data_len, wil_rf_sector_policy, NULL); 2630 if (rc) { 2631 wil_err(wil, "Invalid rf sector ATTR\n"); 2632 return rc; 2633 } 2634 2635 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2636 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || 2637 !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) { 2638 wil_err(wil, "Invalid rf sector spec\n"); 2639 return -EINVAL; 2640 } 2641 2642 sector_index = nla_get_u16( 2643 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2644 if (sector_index >= WIL_MAX_RF_SECTORS) { 2645 wil_err(wil, "Invalid sector index %d\n", sector_index); 2646 return -EINVAL; 2647 } 2648 2649 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2650 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2651 wil_err(wil, "Invalid sector type %d\n", sector_type); 2652 return -EINVAL; 2653 } 2654 2655 rf_modules_vec = nla_get_u32( 2656 tb[QCA_ATTR_DMG_RF_MODULE_MASK]); 2657 if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) { 2658 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec); 2659 return -EINVAL; 2660 } 2661 2662 cmd.sector_idx = cpu_to_le16(sector_index); 2663 cmd.sector_type = sector_type; 2664 cmd.rf_modules_vec = rf_modules_vec & 0xFF; 2665 rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid, 2666 &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID, 2667 &reply, sizeof(reply), 2668 500); 2669 if (rc) 2670 return rc; 2671 if (reply.evt.status) { 2672 wil_err(wil, "get rf sector cfg failed with status %d\n", 2673 reply.evt.status); 2674 return wil_rf_sector_status_to_rc(reply.evt.status); 2675 } 2676 2677 msg = cfg80211_vendor_cmd_alloc_reply_skb( 2678 wiphy, 64 * WMI_MAX_RF_MODULES_NUM); 2679 if (!msg) 2680 return -ENOMEM; 2681 2682 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF, 2683 le64_to_cpu(reply.evt.tsf), 2684 QCA_ATTR_PAD)) 2685 goto nla_put_failure; 2686 2687 nl_cfgs = nla_nest_start_noflag(msg, QCA_ATTR_DMG_RF_SECTOR_CFG); 2688 if (!nl_cfgs) 2689 goto nla_put_failure; 2690 for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) { 2691 if (!(rf_modules_vec & BIT(i))) 2692 continue; 2693 nl_cfg = nla_nest_start_noflag(msg, i); 2694 if (!nl_cfg) 2695 goto nla_put_failure; 2696 si = &reply.evt.sectors_info[i]; 2697 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX, 2698 i) || 2699 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0, 2700 le32_to_cpu(si->etype0)) || 2701 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1, 2702 le32_to_cpu(si->etype1)) || 2703 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2, 2704 le32_to_cpu(si->etype2)) || 2705 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI, 2706 le32_to_cpu(si->psh_hi)) || 2707 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO, 2708 le32_to_cpu(si->psh_lo)) || 2709 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16, 2710 le32_to_cpu(si->dtype_swch_off))) 2711 goto nla_put_failure; 2712 nla_nest_end(msg, nl_cfg); 2713 } 2714 2715 nla_nest_end(msg, nl_cfgs); 2716 rc = cfg80211_vendor_cmd_reply(msg); 2717 return rc; 2718 nla_put_failure: 2719 kfree_skb(msg); 2720 return -ENOBUFS; 2721 } 2722 2723 static int wil_rf_sector_set_cfg(struct wiphy *wiphy, 2724 struct wireless_dev *wdev, 2725 const void *data, int data_len) 2726 { 2727 struct wil6210_priv *wil = wdev_to_wil(wdev); 2728 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2729 int rc, tmp; 2730 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2731 struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1]; 2732 u16 sector_index, rf_module_index; 2733 u8 sector_type; 2734 u32 rf_modules_vec = 0; 2735 struct wmi_set_rf_sector_params_cmd cmd; 2736 struct { 2737 struct wmi_cmd_hdr wmi; 2738 struct wmi_set_rf_sector_params_done_event evt; 2739 } __packed reply = { 2740 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2741 }; 2742 struct nlattr *nl_cfg; 2743 struct wmi_rf_sector_info *si; 2744 2745 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2746 return -EOPNOTSUPP; 2747 2748 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 2749 data_len, wil_rf_sector_policy, NULL); 2750 if (rc) { 2751 wil_err(wil, "Invalid rf sector ATTR\n"); 2752 return rc; 2753 } 2754 2755 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2756 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || 2757 !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) { 2758 wil_err(wil, "Invalid rf sector spec\n"); 2759 return -EINVAL; 2760 } 2761 2762 sector_index = nla_get_u16( 2763 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2764 if (sector_index >= WIL_MAX_RF_SECTORS) { 2765 wil_err(wil, "Invalid sector index %d\n", sector_index); 2766 return -EINVAL; 2767 } 2768 2769 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2770 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2771 wil_err(wil, "Invalid sector type %d\n", sector_type); 2772 return -EINVAL; 2773 } 2774 2775 memset(&cmd, 0, sizeof(cmd)); 2776 2777 cmd.sector_idx = cpu_to_le16(sector_index); 2778 cmd.sector_type = sector_type; 2779 nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG], 2780 tmp) { 2781 rc = nla_parse_nested_deprecated(tb2, 2782 QCA_ATTR_DMG_RF_SECTOR_CFG_MAX, 2783 nl_cfg, 2784 wil_rf_sector_cfg_policy, 2785 NULL); 2786 if (rc) { 2787 wil_err(wil, "invalid sector cfg\n"); 2788 return -EINVAL; 2789 } 2790 2791 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] || 2792 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] || 2793 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] || 2794 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] || 2795 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] || 2796 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] || 2797 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) { 2798 wil_err(wil, "missing cfg params\n"); 2799 return -EINVAL; 2800 } 2801 2802 rf_module_index = nla_get_u8( 2803 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]); 2804 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) { 2805 wil_err(wil, "invalid RF module index %d\n", 2806 rf_module_index); 2807 return -EINVAL; 2808 } 2809 rf_modules_vec |= BIT(rf_module_index); 2810 si = &cmd.sectors_info[rf_module_index]; 2811 si->etype0 = cpu_to_le32(nla_get_u32( 2812 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0])); 2813 si->etype1 = cpu_to_le32(nla_get_u32( 2814 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1])); 2815 si->etype2 = cpu_to_le32(nla_get_u32( 2816 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2])); 2817 si->psh_hi = cpu_to_le32(nla_get_u32( 2818 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI])); 2819 si->psh_lo = cpu_to_le32(nla_get_u32( 2820 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO])); 2821 si->dtype_swch_off = cpu_to_le32(nla_get_u32( 2822 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16])); 2823 } 2824 2825 cmd.rf_modules_vec = rf_modules_vec & 0xFF; 2826 rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid, 2827 &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID, 2828 &reply, sizeof(reply), 2829 500); 2830 if (rc) 2831 return rc; 2832 return wil_rf_sector_status_to_rc(reply.evt.status); 2833 } 2834 2835 static int wil_rf_sector_get_selected(struct wiphy *wiphy, 2836 struct wireless_dev *wdev, 2837 const void *data, int data_len) 2838 { 2839 struct wil6210_priv *wil = wdev_to_wil(wdev); 2840 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2841 int rc; 2842 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2843 u8 sector_type, mac_addr[ETH_ALEN]; 2844 int cid = 0; 2845 struct wmi_get_selected_rf_sector_index_cmd cmd; 2846 struct { 2847 struct wmi_cmd_hdr wmi; 2848 struct wmi_get_selected_rf_sector_index_done_event evt; 2849 } __packed reply = { 2850 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2851 }; 2852 struct sk_buff *msg; 2853 2854 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2855 return -EOPNOTSUPP; 2856 2857 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 2858 data_len, wil_rf_sector_policy, NULL); 2859 if (rc) { 2860 wil_err(wil, "Invalid rf sector ATTR\n"); 2861 return rc; 2862 } 2863 2864 if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { 2865 wil_err(wil, "Invalid rf sector spec\n"); 2866 return -EINVAL; 2867 } 2868 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2869 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2870 wil_err(wil, "Invalid sector type %d\n", sector_type); 2871 return -EINVAL; 2872 } 2873 2874 if (tb[QCA_ATTR_MAC_ADDR]) { 2875 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); 2876 cid = wil_find_cid(wil, vif->mid, mac_addr); 2877 if (cid < 0) { 2878 wil_err(wil, "invalid MAC address %pM\n", mac_addr); 2879 return -ENOENT; 2880 } 2881 } else { 2882 if (test_bit(wil_vif_fwconnected, vif->status)) { 2883 wil_err(wil, "must specify MAC address when connected\n"); 2884 return -EINVAL; 2885 } 2886 } 2887 2888 memset(&cmd, 0, sizeof(cmd)); 2889 cmd.cid = (u8)cid; 2890 cmd.sector_type = sector_type; 2891 rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid, 2892 &cmd, sizeof(cmd), 2893 WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, 2894 &reply, sizeof(reply), 2895 500); 2896 if (rc) 2897 return rc; 2898 if (reply.evt.status) { 2899 wil_err(wil, "get rf selected sector cfg failed with status %d\n", 2900 reply.evt.status); 2901 return wil_rf_sector_status_to_rc(reply.evt.status); 2902 } 2903 2904 msg = cfg80211_vendor_cmd_alloc_reply_skb( 2905 wiphy, 64 * WMI_MAX_RF_MODULES_NUM); 2906 if (!msg) 2907 return -ENOMEM; 2908 2909 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF, 2910 le64_to_cpu(reply.evt.tsf), 2911 QCA_ATTR_PAD) || 2912 nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX, 2913 le16_to_cpu(reply.evt.sector_idx))) 2914 goto nla_put_failure; 2915 2916 rc = cfg80211_vendor_cmd_reply(msg); 2917 return rc; 2918 nla_put_failure: 2919 kfree_skb(msg); 2920 return -ENOBUFS; 2921 } 2922 2923 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil, 2924 u8 mid, u16 sector_index, 2925 u8 sector_type, u8 cid) 2926 { 2927 struct wmi_set_selected_rf_sector_index_cmd cmd; 2928 struct { 2929 struct wmi_cmd_hdr wmi; 2930 struct wmi_set_selected_rf_sector_index_done_event evt; 2931 } __packed reply = { 2932 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2933 }; 2934 int rc; 2935 2936 memset(&cmd, 0, sizeof(cmd)); 2937 cmd.sector_idx = cpu_to_le16(sector_index); 2938 cmd.sector_type = sector_type; 2939 cmd.cid = (u8)cid; 2940 rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid, 2941 &cmd, sizeof(cmd), 2942 WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, 2943 &reply, sizeof(reply), 2944 500); 2945 if (rc) 2946 return rc; 2947 return wil_rf_sector_status_to_rc(reply.evt.status); 2948 } 2949 2950 static int wil_rf_sector_set_selected(struct wiphy *wiphy, 2951 struct wireless_dev *wdev, 2952 const void *data, int data_len) 2953 { 2954 struct wil6210_priv *wil = wdev_to_wil(wdev); 2955 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2956 int rc; 2957 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2958 u16 sector_index; 2959 u8 sector_type, mac_addr[ETH_ALEN], i; 2960 int cid = 0; 2961 2962 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2963 return -EOPNOTSUPP; 2964 2965 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 2966 data_len, wil_rf_sector_policy, NULL); 2967 if (rc) { 2968 wil_err(wil, "Invalid rf sector ATTR\n"); 2969 return rc; 2970 } 2971 2972 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2973 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { 2974 wil_err(wil, "Invalid rf sector spec\n"); 2975 return -EINVAL; 2976 } 2977 2978 sector_index = nla_get_u16( 2979 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2980 if (sector_index >= WIL_MAX_RF_SECTORS && 2981 sector_index != WMI_INVALID_RF_SECTOR_INDEX) { 2982 wil_err(wil, "Invalid sector index %d\n", sector_index); 2983 return -EINVAL; 2984 } 2985 2986 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2987 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2988 wil_err(wil, "Invalid sector type %d\n", sector_type); 2989 return -EINVAL; 2990 } 2991 2992 if (tb[QCA_ATTR_MAC_ADDR]) { 2993 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); 2994 if (!is_broadcast_ether_addr(mac_addr)) { 2995 cid = wil_find_cid(wil, vif->mid, mac_addr); 2996 if (cid < 0) { 2997 wil_err(wil, "invalid MAC address %pM\n", 2998 mac_addr); 2999 return -ENOENT; 3000 } 3001 } else { 3002 if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) { 3003 wil_err(wil, "broadcast MAC valid only with unlocking\n"); 3004 return -EINVAL; 3005 } 3006 cid = -1; 3007 } 3008 } else { 3009 if (test_bit(wil_vif_fwconnected, vif->status)) { 3010 wil_err(wil, "must specify MAC address when connected\n"); 3011 return -EINVAL; 3012 } 3013 /* otherwise, using cid=0 for unassociated station */ 3014 } 3015 3016 if (cid >= 0) { 3017 rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index, 3018 sector_type, cid); 3019 } else { 3020 /* unlock all cids */ 3021 rc = wil_rf_sector_wmi_set_selected( 3022 wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX, 3023 sector_type, WIL_CID_ALL); 3024 if (rc == -EINVAL) { 3025 for (i = 0; i < max_assoc_sta; i++) { 3026 if (wil->sta[i].mid != vif->mid) 3027 continue; 3028 rc = wil_rf_sector_wmi_set_selected( 3029 wil, vif->mid, 3030 WMI_INVALID_RF_SECTOR_INDEX, 3031 sector_type, i); 3032 /* the FW will silently ignore and return 3033 * success for unused cid, so abort the loop 3034 * on any other error 3035 */ 3036 if (rc) { 3037 wil_err(wil, "unlock cid %d failed with status %d\n", 3038 i, rc); 3039 break; 3040 } 3041 } 3042 } 3043 } 3044 3045 return rc; 3046 } 3047