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), 318 WIL_WMI_CALL_GENERAL_TO_MS); 319 if (rc) 320 return rc; 321 322 wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n" 323 " MCS %d TSF 0x%016llx\n" 324 " BF status 0x%08x RSSI %d SQI %d%%\n" 325 " Tx Tpt %d goodput %d Rx goodput %d\n" 326 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n", 327 cid, vif->mid, le16_to_cpu(reply.evt.bf_mcs), 328 le64_to_cpu(reply.evt.tsf), reply.evt.status, 329 reply.evt.rssi, 330 reply.evt.sqi, 331 le32_to_cpu(reply.evt.tx_tpt), 332 le32_to_cpu(reply.evt.tx_goodput), 333 le32_to_cpu(reply.evt.rx_goodput), 334 le16_to_cpu(reply.evt.my_rx_sector), 335 le16_to_cpu(reply.evt.my_tx_sector), 336 le16_to_cpu(reply.evt.other_rx_sector), 337 le16_to_cpu(reply.evt.other_tx_sector)); 338 339 sinfo->generation = wil->sinfo_gen; 340 341 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | 342 BIT_ULL(NL80211_STA_INFO_TX_BYTES) | 343 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | 344 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | 345 BIT_ULL(NL80211_STA_INFO_RX_BITRATE) | 346 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | 347 BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) | 348 BIT_ULL(NL80211_STA_INFO_TX_FAILED); 349 350 sinfo->txrate.flags = RATE_INFO_FLAGS_60G; 351 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); 352 sinfo->rxrate.mcs = stats->last_mcs_rx; 353 sinfo->rx_bytes = stats->rx_bytes; 354 sinfo->rx_packets = stats->rx_packets; 355 sinfo->rx_dropped_misc = stats->rx_dropped; 356 sinfo->tx_bytes = stats->tx_bytes; 357 sinfo->tx_packets = stats->tx_packets; 358 sinfo->tx_failed = stats->tx_errors; 359 360 if (test_bit(wil_vif_fwconnected, vif->status)) { 361 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); 362 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, 363 wil->fw_capabilities)) 364 sinfo->signal = reply.evt.rssi; 365 else 366 sinfo->signal = reply.evt.sqi; 367 } 368 369 return rc; 370 } 371 372 static int wil_cfg80211_get_station(struct wiphy *wiphy, 373 struct net_device *ndev, 374 const u8 *mac, struct station_info *sinfo) 375 { 376 struct wil6210_vif *vif = ndev_to_vif(ndev); 377 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 378 int rc; 379 380 int cid = wil_find_cid(wil, vif->mid, mac); 381 382 wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid, 383 vif->mid); 384 if (!wil_cid_valid(wil, cid)) 385 return -ENOENT; 386 387 rc = wil_cid_fill_sinfo(vif, cid, sinfo); 388 389 return rc; 390 } 391 392 /* 393 * Find @idx-th active STA for specific MID for station dump. 394 */ 395 static int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx) 396 { 397 int i; 398 399 for (i = 0; i < wil->max_assoc_sta; i++) { 400 if (wil->sta[i].status == wil_sta_unused) 401 continue; 402 if (wil->sta[i].mid != mid) 403 continue; 404 if (idx == 0) 405 return i; 406 idx--; 407 } 408 409 return -ENOENT; 410 } 411 412 static int wil_cfg80211_dump_station(struct wiphy *wiphy, 413 struct net_device *dev, int idx, 414 u8 *mac, struct station_info *sinfo) 415 { 416 struct wil6210_vif *vif = ndev_to_vif(dev); 417 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 418 int rc; 419 int cid = wil_find_cid_by_idx(wil, vif->mid, idx); 420 421 if (!wil_cid_valid(wil, cid)) 422 return -ENOENT; 423 424 ether_addr_copy(mac, wil->sta[cid].addr); 425 wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid, 426 vif->mid); 427 428 rc = wil_cid_fill_sinfo(vif, cid, sinfo); 429 430 return rc; 431 } 432 433 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy, 434 struct wireless_dev *wdev) 435 { 436 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 437 438 wil_dbg_misc(wil, "start_p2p_device: entered\n"); 439 wil->p2p_dev_started = 1; 440 return 0; 441 } 442 443 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy, 444 struct wireless_dev *wdev) 445 { 446 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 447 448 if (!wil->p2p_dev_started) 449 return; 450 451 wil_dbg_misc(wil, "stop_p2p_device: entered\n"); 452 mutex_lock(&wil->mutex); 453 mutex_lock(&wil->vif_mutex); 454 wil_p2p_stop_radio_operations(wil); 455 wil->p2p_dev_started = 0; 456 mutex_unlock(&wil->vif_mutex); 457 mutex_unlock(&wil->mutex); 458 } 459 460 static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil, 461 enum nl80211_iftype new_type) 462 { 463 int i; 464 struct wireless_dev *wdev; 465 struct iface_combination_params params = { 466 .num_different_channels = 1, 467 }; 468 469 for (i = 0; i < GET_MAX_VIFS(wil); i++) { 470 if (wil->vifs[i]) { 471 wdev = vif_to_wdev(wil->vifs[i]); 472 params.iftype_num[wdev->iftype]++; 473 } 474 } 475 params.iftype_num[new_type]++; 476 return cfg80211_check_combinations(wil->wiphy, ¶ms); 477 } 478 479 static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil, 480 struct wil6210_vif *vif, 481 enum nl80211_iftype new_type) 482 { 483 int i, ret = 0; 484 struct wireless_dev *wdev; 485 struct iface_combination_params params = { 486 .num_different_channels = 1, 487 }; 488 bool check_combos = false; 489 490 for (i = 0; i < GET_MAX_VIFS(wil); i++) { 491 struct wil6210_vif *vif_pos = wil->vifs[i]; 492 493 if (vif_pos && vif != vif_pos) { 494 wdev = vif_to_wdev(vif_pos); 495 params.iftype_num[wdev->iftype]++; 496 check_combos = true; 497 } 498 } 499 500 if (check_combos) { 501 params.iftype_num[new_type]++; 502 ret = cfg80211_check_combinations(wil->wiphy, ¶ms); 503 } 504 return ret; 505 } 506 507 static struct wireless_dev * 508 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name, 509 unsigned char name_assign_type, 510 enum nl80211_iftype type, 511 struct vif_params *params) 512 { 513 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 514 struct net_device *ndev_main = wil->main_ndev, *ndev; 515 struct wil6210_vif *vif; 516 struct wireless_dev *p2p_wdev, *wdev; 517 int rc; 518 519 wil_dbg_misc(wil, "add_iface, type %d\n", type); 520 521 /* P2P device is not a real virtual interface, it is a management-only 522 * interface that shares the main interface. 523 * Skip concurrency checks here. 524 */ 525 if (type == NL80211_IFTYPE_P2P_DEVICE) { 526 if (wil->p2p_wdev) { 527 wil_err(wil, "P2P_DEVICE interface already created\n"); 528 return ERR_PTR(-EINVAL); 529 } 530 531 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL); 532 if (!p2p_wdev) 533 return ERR_PTR(-ENOMEM); 534 535 p2p_wdev->iftype = type; 536 p2p_wdev->wiphy = wiphy; 537 /* use our primary ethernet address */ 538 ether_addr_copy(p2p_wdev->address, ndev_main->perm_addr); 539 540 wil->p2p_wdev = p2p_wdev; 541 542 return p2p_wdev; 543 } 544 545 if (!wil->wiphy->n_iface_combinations) { 546 wil_err(wil, "virtual interfaces not supported\n"); 547 return ERR_PTR(-EINVAL); 548 } 549 550 rc = wil_cfg80211_validate_add_iface(wil, type); 551 if (rc) { 552 wil_err(wil, "iface validation failed, err=%d\n", rc); 553 return ERR_PTR(rc); 554 } 555 556 vif = wil_vif_alloc(wil, name, name_assign_type, type); 557 if (IS_ERR(vif)) 558 return ERR_CAST(vif); 559 560 ndev = vif_to_ndev(vif); 561 ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr); 562 if (is_valid_ether_addr(params->macaddr)) { 563 ether_addr_copy(ndev->dev_addr, params->macaddr); 564 } else { 565 ether_addr_copy(ndev->dev_addr, ndev_main->perm_addr); 566 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << vif->mid)) | 567 0x2; /* locally administered */ 568 } 569 wdev = vif_to_wdev(vif); 570 ether_addr_copy(wdev->address, ndev->dev_addr); 571 572 rc = wil_vif_add(wil, vif); 573 if (rc) 574 goto out; 575 576 wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n", 577 vif->mid, type, wdev->address); 578 return wdev; 579 out: 580 wil_vif_free(vif); 581 return ERR_PTR(rc); 582 } 583 584 int wil_vif_prepare_stop(struct wil6210_vif *vif) 585 { 586 struct wil6210_priv *wil = vif_to_wil(vif); 587 struct wireless_dev *wdev = vif_to_wdev(vif); 588 struct net_device *ndev; 589 int rc; 590 591 if (wdev->iftype != NL80211_IFTYPE_AP) 592 return 0; 593 594 ndev = vif_to_ndev(vif); 595 if (netif_carrier_ok(ndev)) { 596 rc = wmi_pcp_stop(vif); 597 if (rc) { 598 wil_info(wil, "failed to stop AP, status %d\n", 599 rc); 600 /* continue */ 601 } 602 wil_bcast_fini(vif); 603 netif_carrier_off(ndev); 604 } 605 606 return 0; 607 } 608 609 static int wil_cfg80211_del_iface(struct wiphy *wiphy, 610 struct wireless_dev *wdev) 611 { 612 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 613 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 614 int rc; 615 616 wil_dbg_misc(wil, "del_iface\n"); 617 618 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { 619 if (wdev != wil->p2p_wdev) { 620 wil_err(wil, "delete of incorrect interface 0x%p\n", 621 wdev); 622 return -EINVAL; 623 } 624 625 wil_cfg80211_stop_p2p_device(wiphy, wdev); 626 wil_p2p_wdev_free(wil); 627 return 0; 628 } 629 630 if (vif->mid == 0) { 631 wil_err(wil, "cannot remove the main interface\n"); 632 return -EINVAL; 633 } 634 635 rc = wil_vif_prepare_stop(vif); 636 if (rc) 637 goto out; 638 639 wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n", 640 vif->mid, wdev->iftype, wdev->address); 641 642 wil_vif_remove(wil, vif->mid); 643 out: 644 return rc; 645 } 646 647 static bool wil_is_safe_switch(enum nl80211_iftype from, 648 enum nl80211_iftype to) 649 { 650 if (from == NL80211_IFTYPE_STATION && 651 to == NL80211_IFTYPE_P2P_CLIENT) 652 return true; 653 654 return false; 655 } 656 657 static int wil_cfg80211_change_iface(struct wiphy *wiphy, 658 struct net_device *ndev, 659 enum nl80211_iftype type, 660 struct vif_params *params) 661 { 662 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 663 struct wil6210_vif *vif = ndev_to_vif(ndev); 664 struct wireless_dev *wdev = vif_to_wdev(vif); 665 int rc; 666 bool fw_reset = false; 667 668 wil_dbg_misc(wil, "change_iface: type=%d\n", type); 669 670 if (wiphy->n_iface_combinations) { 671 rc = wil_cfg80211_validate_change_iface(wil, vif, type); 672 if (rc) { 673 wil_err(wil, "iface validation failed, err=%d\n", rc); 674 return rc; 675 } 676 } 677 678 /* do not reset FW when there are active VIFs, 679 * because it can cause significant disruption 680 */ 681 if (!wil_has_other_active_ifaces(wil, ndev, true, false) && 682 netif_running(ndev) && !wil_is_recovery_blocked(wil) && 683 !wil_is_safe_switch(wdev->iftype, type)) { 684 wil_dbg_misc(wil, "interface is up. resetting...\n"); 685 mutex_lock(&wil->mutex); 686 __wil_down(wil); 687 rc = __wil_up(wil); 688 mutex_unlock(&wil->mutex); 689 690 if (rc) 691 return rc; 692 fw_reset = true; 693 } 694 695 switch (type) { 696 case NL80211_IFTYPE_STATION: 697 case NL80211_IFTYPE_AP: 698 case NL80211_IFTYPE_P2P_CLIENT: 699 case NL80211_IFTYPE_P2P_GO: 700 break; 701 case NL80211_IFTYPE_MONITOR: 702 if (params->flags) 703 wil->monitor_flags = params->flags; 704 break; 705 default: 706 return -EOPNOTSUPP; 707 } 708 709 if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) { 710 if (!fw_reset) 711 wil_vif_prepare_stop(vif); 712 rc = wmi_port_delete(wil, vif->mid); 713 if (rc) 714 return rc; 715 rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type); 716 if (rc) 717 return rc; 718 } 719 720 wdev->iftype = type; 721 return 0; 722 } 723 724 static int wil_cfg80211_scan(struct wiphy *wiphy, 725 struct cfg80211_scan_request *request) 726 { 727 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 728 struct wireless_dev *wdev = request->wdev; 729 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 730 struct { 731 struct wmi_start_scan_cmd cmd; 732 u16 chnl[4]; 733 } __packed cmd; 734 uint i, n; 735 int rc; 736 737 wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 738 739 /* scan is supported on client interfaces and on AP interface */ 740 switch (wdev->iftype) { 741 case NL80211_IFTYPE_STATION: 742 case NL80211_IFTYPE_P2P_CLIENT: 743 case NL80211_IFTYPE_P2P_DEVICE: 744 case NL80211_IFTYPE_AP: 745 break; 746 default: 747 return -EOPNOTSUPP; 748 } 749 750 /* FW don't support scan after connection attempt */ 751 if (test_bit(wil_status_dontscan, wil->status)) { 752 wil_err(wil, "Can't scan now\n"); 753 return -EBUSY; 754 } 755 756 mutex_lock(&wil->mutex); 757 758 mutex_lock(&wil->vif_mutex); 759 if (vif->scan_request || vif->p2p.discovery_started) { 760 wil_err(wil, "Already scanning\n"); 761 mutex_unlock(&wil->vif_mutex); 762 rc = -EAGAIN; 763 goto out; 764 } 765 mutex_unlock(&wil->vif_mutex); 766 767 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { 768 if (!wil->p2p_dev_started) { 769 wil_err(wil, "P2P search requested on stopped P2P device\n"); 770 rc = -EIO; 771 goto out; 772 } 773 /* social scan on P2P_DEVICE is handled as p2p search */ 774 if (wil_p2p_is_social_scan(request)) { 775 vif->scan_request = request; 776 if (vif->mid == 0) 777 wil->radio_wdev = wdev; 778 rc = wil_p2p_search(vif, request); 779 if (rc) { 780 if (vif->mid == 0) 781 wil->radio_wdev = 782 wil->main_ndev->ieee80211_ptr; 783 vif->scan_request = NULL; 784 } 785 goto out; 786 } 787 } 788 789 (void)wil_p2p_stop_discovery(vif); 790 791 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); 792 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); 793 794 for (i = 0; i < request->n_ssids; i++) { 795 wil_dbg_misc(wil, "SSID[%d]", i); 796 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 797 request->ssids[i].ssid, 798 request->ssids[i].ssid_len, true); 799 } 800 801 if (request->n_ssids) 802 rc = wmi_set_ssid(vif, request->ssids[0].ssid_len, 803 request->ssids[0].ssid); 804 else 805 rc = wmi_set_ssid(vif, 0, NULL); 806 807 if (rc) { 808 wil_err(wil, "set SSID for scan request failed: %d\n", rc); 809 goto out; 810 } 811 812 vif->scan_request = request; 813 mod_timer(&vif->scan_timer, jiffies + WIL6210_SCAN_TO); 814 815 memset(&cmd, 0, sizeof(cmd)); 816 cmd.cmd.scan_type = WMI_ACTIVE_SCAN; 817 cmd.cmd.num_channels = 0; 818 n = min(request->n_channels, 4U); 819 for (i = 0; i < n; i++) { 820 int ch = request->channels[i]->hw_value; 821 822 if (ch == 0) { 823 wil_err(wil, 824 "Scan requested for unknown frequency %dMhz\n", 825 request->channels[i]->center_freq); 826 continue; 827 } 828 /* 0-based channel indexes */ 829 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; 830 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, 831 request->channels[i]->center_freq); 832 } 833 834 if (request->ie_len) 835 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1, 836 request->ie, request->ie_len, true); 837 else 838 wil_dbg_misc(wil, "Scan has no IE's\n"); 839 840 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ, 841 request->ie_len, request->ie); 842 if (rc) 843 goto out_restore; 844 845 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { 846 cmd.cmd.discovery_mode = 1; 847 wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); 848 } 849 850 if (vif->mid == 0) 851 wil->radio_wdev = wdev; 852 rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid, 853 &cmd, sizeof(cmd.cmd) + 854 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); 855 856 out_restore: 857 if (rc) { 858 del_timer_sync(&vif->scan_timer); 859 if (vif->mid == 0) 860 wil->radio_wdev = wil->main_ndev->ieee80211_ptr; 861 vif->scan_request = NULL; 862 } 863 out: 864 mutex_unlock(&wil->mutex); 865 return rc; 866 } 867 868 static void wil_cfg80211_abort_scan(struct wiphy *wiphy, 869 struct wireless_dev *wdev) 870 { 871 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 872 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 873 874 wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 875 876 mutex_lock(&wil->mutex); 877 mutex_lock(&wil->vif_mutex); 878 879 if (!vif->scan_request) 880 goto out; 881 882 if (wdev != vif->scan_request->wdev) { 883 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n"); 884 goto out; 885 } 886 887 if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev) 888 wil_p2p_stop_radio_operations(wil); 889 else 890 wil_abort_scan(vif, true); 891 892 out: 893 mutex_unlock(&wil->vif_mutex); 894 mutex_unlock(&wil->mutex); 895 } 896 897 static void wil_print_crypto(struct wil6210_priv *wil, 898 struct cfg80211_crypto_settings *c) 899 { 900 int i, n; 901 902 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", 903 c->wpa_versions, c->cipher_group); 904 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); 905 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); 906 for (i = 0; i < n; i++) 907 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 908 c->ciphers_pairwise[i]); 909 wil_dbg_misc(wil, "}\n"); 910 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); 911 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); 912 for (i = 0; i < n; i++) 913 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 914 c->akm_suites[i]); 915 wil_dbg_misc(wil, "}\n"); 916 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", 917 c->control_port, be16_to_cpu(c->control_port_ethertype), 918 c->control_port_no_encrypt); 919 } 920 921 static const char * 922 wil_get_auth_type_name(enum nl80211_auth_type auth_type) 923 { 924 switch (auth_type) { 925 case NL80211_AUTHTYPE_OPEN_SYSTEM: 926 return "OPEN_SYSTEM"; 927 case NL80211_AUTHTYPE_SHARED_KEY: 928 return "SHARED_KEY"; 929 case NL80211_AUTHTYPE_FT: 930 return "FT"; 931 case NL80211_AUTHTYPE_NETWORK_EAP: 932 return "NETWORK_EAP"; 933 case NL80211_AUTHTYPE_SAE: 934 return "SAE"; 935 case NL80211_AUTHTYPE_AUTOMATIC: 936 return "AUTOMATIC"; 937 default: 938 return "unknown"; 939 } 940 } 941 static void wil_print_connect_params(struct wil6210_priv *wil, 942 struct cfg80211_connect_params *sme) 943 { 944 wil_info(wil, "Connecting to:\n"); 945 if (sme->channel) { 946 wil_info(wil, " Channel: %d freq %d\n", 947 sme->channel->hw_value, sme->channel->center_freq); 948 } 949 if (sme->bssid) 950 wil_info(wil, " BSSID: %pM\n", sme->bssid); 951 if (sme->ssid) 952 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 953 16, 1, sme->ssid, sme->ssid_len, true); 954 if (sme->prev_bssid) 955 wil_info(wil, " Previous BSSID=%pM\n", sme->prev_bssid); 956 wil_info(wil, " Auth Type: %s\n", 957 wil_get_auth_type_name(sme->auth_type)); 958 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); 959 wil_info(wil, " PBSS: %d\n", sme->pbss); 960 wil_print_crypto(wil, &sme->crypto); 961 } 962 963 static int wil_ft_connect(struct wiphy *wiphy, 964 struct net_device *ndev, 965 struct cfg80211_connect_params *sme) 966 { 967 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 968 struct wil6210_vif *vif = ndev_to_vif(ndev); 969 struct wmi_ft_auth_cmd auth_cmd; 970 int rc; 971 972 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) { 973 wil_err(wil, "FT: FW does not support FT roaming\n"); 974 return -EOPNOTSUPP; 975 } 976 977 if (!sme->prev_bssid) { 978 wil_err(wil, "FT: prev_bssid was not set\n"); 979 return -EINVAL; 980 } 981 982 if (ether_addr_equal(sme->prev_bssid, sme->bssid)) { 983 wil_err(wil, "FT: can not roam to same AP\n"); 984 return -EINVAL; 985 } 986 987 if (!test_bit(wil_vif_fwconnected, vif->status)) { 988 wil_err(wil, "FT: roam while not connected\n"); 989 return -EINVAL; 990 } 991 992 if (vif->privacy != sme->privacy) { 993 wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n", 994 vif->privacy, sme->privacy); 995 return -EINVAL; 996 } 997 998 if (sme->pbss) { 999 wil_err(wil, "FT: roam is not valid for PBSS\n"); 1000 return -EINVAL; 1001 } 1002 1003 memset(&auth_cmd, 0, sizeof(auth_cmd)); 1004 auth_cmd.channel = sme->channel->hw_value - 1; 1005 ether_addr_copy(auth_cmd.bssid, sme->bssid); 1006 1007 wil_info(wil, "FT: roaming\n"); 1008 1009 set_bit(wil_vif_ft_roam, vif->status); 1010 rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid, 1011 &auth_cmd, sizeof(auth_cmd)); 1012 if (rc == 0) 1013 mod_timer(&vif->connect_timer, 1014 jiffies + msecs_to_jiffies(5000)); 1015 else 1016 clear_bit(wil_vif_ft_roam, vif->status); 1017 1018 return rc; 1019 } 1020 1021 static int wil_cfg80211_connect(struct wiphy *wiphy, 1022 struct net_device *ndev, 1023 struct cfg80211_connect_params *sme) 1024 { 1025 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1026 struct wil6210_vif *vif = ndev_to_vif(ndev); 1027 struct cfg80211_bss *bss; 1028 struct wmi_connect_cmd conn; 1029 const u8 *ssid_eid; 1030 const u8 *rsn_eid; 1031 int ch; 1032 int rc = 0; 1033 bool is_ft_roam = false; 1034 u8 network_type; 1035 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; 1036 1037 wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid); 1038 wil_print_connect_params(wil, sme); 1039 1040 if (sme->auth_type == NL80211_AUTHTYPE_FT) 1041 is_ft_roam = true; 1042 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC && 1043 test_bit(wil_vif_fwconnected, vif->status)) 1044 is_ft_roam = true; 1045 1046 if (!is_ft_roam) 1047 if (test_bit(wil_vif_fwconnecting, vif->status) || 1048 test_bit(wil_vif_fwconnected, vif->status)) 1049 return -EALREADY; 1050 1051 if (sme->ie_len > WMI_MAX_IE_LEN) { 1052 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); 1053 return -ERANGE; 1054 } 1055 1056 rsn_eid = sme->ie ? 1057 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : 1058 NULL; 1059 if (sme->privacy && !rsn_eid) { 1060 wil_info(wil, "WSC connection\n"); 1061 if (is_ft_roam) { 1062 wil_err(wil, "No WSC with FT roam\n"); 1063 return -EINVAL; 1064 } 1065 } 1066 1067 if (sme->pbss) 1068 bss_type = IEEE80211_BSS_TYPE_PBSS; 1069 1070 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, 1071 sme->ssid, sme->ssid_len, 1072 bss_type, IEEE80211_PRIVACY_ANY); 1073 if (!bss) { 1074 wil_err(wil, "Unable to find BSS\n"); 1075 return -ENOENT; 1076 } 1077 1078 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); 1079 if (!ssid_eid) { 1080 wil_err(wil, "No SSID\n"); 1081 rc = -ENOENT; 1082 goto out; 1083 } 1084 vif->privacy = sme->privacy; 1085 vif->pbss = sme->pbss; 1086 1087 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); 1088 if (rc) 1089 goto out; 1090 1091 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { 1092 case WLAN_CAPABILITY_DMG_TYPE_AP: 1093 network_type = WMI_NETTYPE_INFRA; 1094 break; 1095 case WLAN_CAPABILITY_DMG_TYPE_PBSS: 1096 network_type = WMI_NETTYPE_P2P; 1097 break; 1098 default: 1099 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", 1100 bss->capability); 1101 rc = -EINVAL; 1102 goto out; 1103 } 1104 1105 ch = bss->channel->hw_value; 1106 if (ch == 0) { 1107 wil_err(wil, "BSS at unknown frequency %dMhz\n", 1108 bss->channel->center_freq); 1109 rc = -EOPNOTSUPP; 1110 goto out; 1111 } 1112 1113 if (is_ft_roam) { 1114 if (network_type != WMI_NETTYPE_INFRA) { 1115 wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n", 1116 bss->capability); 1117 rc = -EINVAL; 1118 goto out; 1119 } 1120 rc = wil_ft_connect(wiphy, ndev, sme); 1121 if (rc == 0) 1122 vif->bss = bss; 1123 goto out; 1124 } 1125 1126 if (vif->privacy) { 1127 /* For secure assoc, remove old keys */ 1128 rc = wmi_del_cipher_key(vif, 0, bss->bssid, 1129 WMI_KEY_USE_PAIRWISE); 1130 if (rc) { 1131 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); 1132 goto out; 1133 } 1134 rc = wmi_del_cipher_key(vif, 0, bss->bssid, 1135 WMI_KEY_USE_RX_GROUP); 1136 if (rc) { 1137 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); 1138 goto out; 1139 } 1140 } 1141 1142 /* WMI_CONNECT_CMD */ 1143 memset(&conn, 0, sizeof(conn)); 1144 conn.network_type = network_type; 1145 if (vif->privacy) { 1146 if (rsn_eid) { /* regular secure connection */ 1147 conn.dot11_auth_mode = WMI_AUTH11_SHARED; 1148 conn.auth_mode = WMI_AUTH_WPA2_PSK; 1149 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; 1150 conn.pairwise_crypto_len = 16; 1151 conn.group_crypto_type = WMI_CRYPT_AES_GCMP; 1152 conn.group_crypto_len = 16; 1153 } else { /* WSC */ 1154 conn.dot11_auth_mode = WMI_AUTH11_WSC; 1155 conn.auth_mode = WMI_AUTH_NONE; 1156 } 1157 } else { /* insecure connection */ 1158 conn.dot11_auth_mode = WMI_AUTH11_OPEN; 1159 conn.auth_mode = WMI_AUTH_NONE; 1160 } 1161 1162 conn.ssid_len = min_t(u8, ssid_eid[1], 32); 1163 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); 1164 conn.channel = ch - 1; 1165 1166 ether_addr_copy(conn.bssid, bss->bssid); 1167 ether_addr_copy(conn.dst_mac, bss->bssid); 1168 1169 set_bit(wil_vif_fwconnecting, vif->status); 1170 1171 rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn)); 1172 if (rc == 0) { 1173 netif_carrier_on(ndev); 1174 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 1175 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); 1176 vif->bss = bss; 1177 /* Connect can take lots of time */ 1178 mod_timer(&vif->connect_timer, 1179 jiffies + msecs_to_jiffies(5000)); 1180 } else { 1181 clear_bit(wil_vif_fwconnecting, vif->status); 1182 } 1183 1184 out: 1185 cfg80211_put_bss(wiphy, bss); 1186 1187 return rc; 1188 } 1189 1190 static int wil_cfg80211_disconnect(struct wiphy *wiphy, 1191 struct net_device *ndev, 1192 u16 reason_code) 1193 { 1194 int rc; 1195 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1196 struct wil6210_vif *vif = ndev_to_vif(ndev); 1197 1198 wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n", 1199 reason_code, vif->mid); 1200 1201 if (!(test_bit(wil_vif_fwconnecting, vif->status) || 1202 test_bit(wil_vif_fwconnected, vif->status))) { 1203 wil_err(wil, "Disconnect was called while disconnected\n"); 1204 return 0; 1205 } 1206 1207 vif->locally_generated_disc = true; 1208 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0, 1209 WMI_DISCONNECT_EVENTID, NULL, 0, 1210 WIL6210_DISCONNECT_TO_MS); 1211 if (rc) 1212 wil_err(wil, "disconnect error %d\n", rc); 1213 1214 return rc; 1215 } 1216 1217 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1218 { 1219 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1220 int rc; 1221 1222 /* these parameters are explicitly not supported */ 1223 if (changed & (WIPHY_PARAM_RETRY_LONG | 1224 WIPHY_PARAM_FRAG_THRESHOLD | 1225 WIPHY_PARAM_RTS_THRESHOLD)) 1226 return -ENOTSUPP; 1227 1228 if (changed & WIPHY_PARAM_RETRY_SHORT) { 1229 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short); 1230 if (rc) 1231 return rc; 1232 } 1233 1234 return 0; 1235 } 1236 1237 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1238 struct cfg80211_mgmt_tx_params *params, 1239 u64 *cookie) 1240 { 1241 const u8 *buf = params->buf; 1242 size_t len = params->len; 1243 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1244 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 1245 int rc; 1246 bool tx_status; 1247 1248 wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n", 1249 params->chan ? params->chan->hw_value : -1, 1250 params->offchan, 1251 params->wait); 1252 1253 /* Note, currently we support the "wait" parameter only on AP mode. 1254 * In other modes, user-space must call remain_on_channel before 1255 * mgmt_tx or listen on a channel other than active one. 1256 */ 1257 1258 if (params->chan && params->chan->hw_value == 0) { 1259 wil_err(wil, "invalid channel\n"); 1260 return -EINVAL; 1261 } 1262 1263 if (wdev->iftype != NL80211_IFTYPE_AP) { 1264 wil_dbg_misc(wil, 1265 "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n"); 1266 rc = wmi_mgmt_tx(vif, buf, len); 1267 goto out; 1268 } 1269 1270 if (!params->chan || params->chan->hw_value == vif->channel) { 1271 wil_dbg_misc(wil, 1272 "send WMI_SW_TX_REQ_CMDID for on-channel\n"); 1273 rc = wmi_mgmt_tx(vif, buf, len); 1274 goto out; 1275 } 1276 1277 if (params->offchan == 0) { 1278 wil_err(wil, 1279 "invalid channel params: current %d requested %d, off-channel not allowed\n", 1280 vif->channel, params->chan->hw_value); 1281 return -EBUSY; 1282 } 1283 1284 /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */ 1285 rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value, 1286 params->wait); 1287 1288 out: 1289 /* when the sent packet was not acked by receiver(ACK=0), rc will 1290 * be -EAGAIN. In this case this function needs to return success, 1291 * the ACK=0 will be reflected in tx_status. 1292 */ 1293 tx_status = (rc == 0); 1294 rc = (rc == -EAGAIN) ? 0 : rc; 1295 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, 1296 tx_status, GFP_KERNEL); 1297 1298 return rc; 1299 } 1300 1301 static int wil_cfg80211_set_channel(struct wiphy *wiphy, 1302 struct cfg80211_chan_def *chandef) 1303 { 1304 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1305 1306 wil->monitor_chandef = *chandef; 1307 1308 return 0; 1309 } 1310 1311 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev, 1312 bool pairwise) 1313 { 1314 struct wil6210_priv *wil = wdev_to_wil(wdev); 1315 enum wmi_key_usage rc; 1316 1317 if (pairwise) { 1318 rc = WMI_KEY_USE_PAIRWISE; 1319 } else { 1320 switch (wdev->iftype) { 1321 case NL80211_IFTYPE_STATION: 1322 case NL80211_IFTYPE_P2P_CLIENT: 1323 rc = WMI_KEY_USE_RX_GROUP; 1324 break; 1325 case NL80211_IFTYPE_AP: 1326 case NL80211_IFTYPE_P2P_GO: 1327 rc = WMI_KEY_USE_TX_GROUP; 1328 break; 1329 default: 1330 /* TODO: Rx GTK or Tx GTK? */ 1331 wil_err(wil, "Can't determine GTK type\n"); 1332 rc = WMI_KEY_USE_RX_GROUP; 1333 break; 1334 } 1335 } 1336 wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]); 1337 1338 return rc; 1339 } 1340 1341 static struct wil_sta_info * 1342 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid, 1343 enum wmi_key_usage key_usage, const u8 *mac_addr) 1344 { 1345 int cid = -EINVAL; 1346 1347 if (key_usage == WMI_KEY_USE_TX_GROUP) 1348 return NULL; /* not needed */ 1349 1350 /* supplicant provides Rx group key in STA mode with NULL MAC address */ 1351 if (mac_addr) 1352 cid = wil_find_cid(wil, mid, mac_addr); 1353 else if (key_usage == WMI_KEY_USE_RX_GROUP) 1354 cid = wil_find_cid_by_idx(wil, mid, 0); 1355 if (cid < 0) { 1356 wil_err(wil, "No CID for %pM %s\n", mac_addr, 1357 key_usage_str[key_usage]); 1358 return ERR_PTR(cid); 1359 } 1360 1361 return &wil->sta[cid]; 1362 } 1363 1364 void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, 1365 struct wil_sta_info *cs, 1366 struct key_params *params) 1367 { 1368 struct wil_tid_crypto_rx_single *cc; 1369 int tid; 1370 1371 if (!cs) 1372 return; 1373 1374 switch (key_usage) { 1375 case WMI_KEY_USE_PAIRWISE: 1376 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 1377 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 1378 if (params->seq) 1379 memcpy(cc->pn, params->seq, 1380 IEEE80211_GCMP_PN_LEN); 1381 else 1382 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 1383 cc->key_set = true; 1384 } 1385 break; 1386 case WMI_KEY_USE_RX_GROUP: 1387 cc = &cs->group_crypto_rx.key_id[key_index]; 1388 if (params->seq) 1389 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); 1390 else 1391 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 1392 cc->key_set = true; 1393 break; 1394 default: 1395 break; 1396 } 1397 } 1398 1399 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, 1400 struct wil_sta_info *cs) 1401 { 1402 struct wil_tid_crypto_rx_single *cc; 1403 int tid; 1404 1405 if (!cs) 1406 return; 1407 1408 switch (key_usage) { 1409 case WMI_KEY_USE_PAIRWISE: 1410 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 1411 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 1412 cc->key_set = false; 1413 } 1414 break; 1415 case WMI_KEY_USE_RX_GROUP: 1416 cc = &cs->group_crypto_rx.key_id[key_index]; 1417 cc->key_set = false; 1418 break; 1419 default: 1420 break; 1421 } 1422 } 1423 1424 static int wil_cfg80211_add_key(struct wiphy *wiphy, 1425 struct net_device *ndev, 1426 u8 key_index, bool pairwise, 1427 const u8 *mac_addr, 1428 struct key_params *params) 1429 { 1430 int rc; 1431 struct wil6210_vif *vif = ndev_to_vif(ndev); 1432 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1433 struct wireless_dev *wdev = vif_to_wdev(vif); 1434 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); 1435 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, 1436 key_usage, 1437 mac_addr); 1438 1439 if (!params) { 1440 wil_err(wil, "NULL params\n"); 1441 return -EINVAL; 1442 } 1443 1444 wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", 1445 mac_addr, key_usage_str[key_usage], key_index, 1446 params->seq_len, params->seq); 1447 1448 if (IS_ERR(cs)) { 1449 /* in FT, sta info may not be available as add_key may be 1450 * sent by host before FW sends WMI_CONNECT_EVENT 1451 */ 1452 if (!test_bit(wil_vif_ft_roam, vif->status)) { 1453 wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n", 1454 mac_addr, key_usage_str[key_usage], key_index, 1455 params->seq_len, params->seq); 1456 return -EINVAL; 1457 } 1458 } 1459 1460 if (!IS_ERR(cs)) 1461 wil_del_rx_key(key_index, key_usage, cs); 1462 1463 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { 1464 wil_err(wil, 1465 "Wrong PN len %d, %pM %s[%d] PN %*phN\n", 1466 params->seq_len, mac_addr, 1467 key_usage_str[key_usage], key_index, 1468 params->seq_len, params->seq); 1469 return -EINVAL; 1470 } 1471 1472 rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len, 1473 params->key, key_usage); 1474 if (!rc && !IS_ERR(cs)) { 1475 /* update local storage used for AP recovery */ 1476 if (key_usage == WMI_KEY_USE_TX_GROUP && params->key && 1477 params->key_len <= WMI_MAX_KEY_LEN) { 1478 vif->gtk_index = key_index; 1479 memcpy(vif->gtk, params->key, params->key_len); 1480 vif->gtk_len = params->key_len; 1481 } 1482 /* in FT set crypto will take place upon receiving 1483 * WMI_RING_EN_EVENTID event 1484 */ 1485 wil_set_crypto_rx(key_index, key_usage, cs, params); 1486 } 1487 1488 return rc; 1489 } 1490 1491 static int wil_cfg80211_del_key(struct wiphy *wiphy, 1492 struct net_device *ndev, 1493 u8 key_index, bool pairwise, 1494 const u8 *mac_addr) 1495 { 1496 struct wil6210_vif *vif = ndev_to_vif(ndev); 1497 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1498 struct wireless_dev *wdev = vif_to_wdev(vif); 1499 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); 1500 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, 1501 key_usage, 1502 mac_addr); 1503 1504 wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr, 1505 key_usage_str[key_usage], key_index); 1506 1507 if (IS_ERR(cs)) 1508 wil_info(wil, "Not connected, %pM %s[%d]\n", 1509 mac_addr, key_usage_str[key_usage], key_index); 1510 1511 if (!IS_ERR_OR_NULL(cs)) 1512 wil_del_rx_key(key_index, key_usage, cs); 1513 1514 return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage); 1515 } 1516 1517 /* Need to be present or wiphy_new() will WARN */ 1518 static int wil_cfg80211_set_default_key(struct wiphy *wiphy, 1519 struct net_device *ndev, 1520 u8 key_index, bool unicast, 1521 bool multicast) 1522 { 1523 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1524 1525 wil_dbg_misc(wil, "set_default_key: entered\n"); 1526 return 0; 1527 } 1528 1529 static int wil_remain_on_channel(struct wiphy *wiphy, 1530 struct wireless_dev *wdev, 1531 struct ieee80211_channel *chan, 1532 unsigned int duration, 1533 u64 *cookie) 1534 { 1535 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1536 int rc; 1537 1538 wil_dbg_misc(wil, 1539 "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n", 1540 chan->center_freq, duration, wdev->iftype); 1541 1542 rc = wil_p2p_listen(wil, wdev, duration, chan, cookie); 1543 return rc; 1544 } 1545 1546 static int wil_cancel_remain_on_channel(struct wiphy *wiphy, 1547 struct wireless_dev *wdev, 1548 u64 cookie) 1549 { 1550 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1551 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 1552 1553 wil_dbg_misc(wil, "cancel_remain_on_channel\n"); 1554 1555 return wil_p2p_cancel_listen(vif, cookie); 1556 } 1557 1558 /** 1559 * find a specific IE in a list of IEs 1560 * return a pointer to the beginning of IE in the list 1561 * or NULL if not found 1562 */ 1563 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, 1564 u16 ie_len) 1565 { 1566 struct ieee80211_vendor_ie *vie; 1567 u32 oui; 1568 1569 /* IE tag at offset 0, length at offset 1 */ 1570 if (ie_len < 2 || 2 + ie[1] > ie_len) 1571 return NULL; 1572 1573 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) 1574 return cfg80211_find_ie(ie[0], ies, ies_len); 1575 1576 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ 1577 if (ie[1] < 4) 1578 return NULL; 1579 vie = (struct ieee80211_vendor_ie *)ie; 1580 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; 1581 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, 1582 ies_len); 1583 } 1584 1585 /** 1586 * merge the IEs in two lists into a single list. 1587 * do not include IEs from the second list which exist in the first list. 1588 * add only vendor specific IEs from second list to keep 1589 * the merged list sorted (since vendor-specific IE has the 1590 * highest tag number) 1591 * caller must free the allocated memory for merged IEs 1592 */ 1593 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, 1594 const u8 *ies2, u16 ies2_len, 1595 u8 **merged_ies, u16 *merged_len) 1596 { 1597 u8 *buf, *dpos; 1598 const u8 *spos; 1599 1600 if (!ies1) 1601 ies1_len = 0; 1602 1603 if (!ies2) 1604 ies2_len = 0; 1605 1606 if (ies1_len == 0 && ies2_len == 0) { 1607 *merged_ies = NULL; 1608 *merged_len = 0; 1609 return 0; 1610 } 1611 1612 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); 1613 if (!buf) 1614 return -ENOMEM; 1615 if (ies1) 1616 memcpy(buf, ies1, ies1_len); 1617 dpos = buf + ies1_len; 1618 spos = ies2; 1619 while (spos && (spos + 1 < ies2 + ies2_len)) { 1620 /* IE tag at offset 0, length at offset 1 */ 1621 u16 ielen = 2 + spos[1]; 1622 1623 if (spos + ielen > ies2 + ies2_len) 1624 break; 1625 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && 1626 (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len, 1627 spos, ielen))) { 1628 memcpy(dpos, spos, ielen); 1629 dpos += ielen; 1630 } 1631 spos += ielen; 1632 } 1633 1634 *merged_ies = buf; 1635 *merged_len = dpos - buf; 1636 return 0; 1637 } 1638 1639 static void wil_print_bcon_data(struct cfg80211_beacon_data *b) 1640 { 1641 wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1, 1642 b->head, b->head_len, true); 1643 wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1, 1644 b->tail, b->tail_len, true); 1645 wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1, 1646 b->beacon_ies, b->beacon_ies_len, true); 1647 wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, 1648 b->probe_resp, b->probe_resp_len, true); 1649 wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1, 1650 b->proberesp_ies, b->proberesp_ies_len, true); 1651 wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1, 1652 b->assocresp_ies, b->assocresp_ies_len, true); 1653 } 1654 1655 /* internal functions for device reset and starting AP */ 1656 static u8 * 1657 _wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len, 1658 u16 *ies_len) 1659 { 1660 u8 *ies = NULL; 1661 1662 if (proberesp) { 1663 struct ieee80211_mgmt *f = 1664 (struct ieee80211_mgmt *)proberesp; 1665 size_t hlen = offsetof(struct ieee80211_mgmt, 1666 u.probe_resp.variable); 1667 1668 ies = f->u.probe_resp.variable; 1669 if (ies_len) 1670 *ies_len = proberesp_len - hlen; 1671 } 1672 1673 return ies; 1674 } 1675 1676 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif, 1677 struct cfg80211_beacon_data *bcon) 1678 { 1679 int rc; 1680 u16 len = 0, proberesp_len = 0; 1681 u8 *ies = NULL, *proberesp; 1682 1683 /* update local storage used for AP recovery */ 1684 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp, 1685 bcon->probe_resp_len); 1686 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, 1687 bcon->proberesp_ies, bcon->proberesp_ies_len); 1688 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, 1689 bcon->assocresp_ies, bcon->assocresp_ies_len); 1690 1691 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp, 1692 bcon->probe_resp_len, 1693 &proberesp_len); 1694 rc = _wil_cfg80211_merge_extra_ies(proberesp, 1695 proberesp_len, 1696 bcon->proberesp_ies, 1697 bcon->proberesp_ies_len, 1698 &ies, &len); 1699 1700 if (rc) 1701 goto out; 1702 1703 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies); 1704 if (rc) 1705 goto out; 1706 1707 if (bcon->assocresp_ies) 1708 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, 1709 bcon->assocresp_ies_len, bcon->assocresp_ies); 1710 else 1711 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies); 1712 #if 0 /* to use beacon IE's, remove this #if 0 */ 1713 if (rc) 1714 goto out; 1715 1716 rc = wmi_set_ie(vif, WMI_FRAME_BEACON, 1717 bcon->tail_len, bcon->tail); 1718 #endif 1719 out: 1720 kfree(ies); 1721 return rc; 1722 } 1723 1724 static int _wil_cfg80211_start_ap(struct wiphy *wiphy, 1725 struct net_device *ndev, 1726 const u8 *ssid, size_t ssid_len, u32 privacy, 1727 int bi, u8 chan, 1728 struct cfg80211_beacon_data *bcon, 1729 u8 hidden_ssid, u32 pbss) 1730 { 1731 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1732 struct wil6210_vif *vif = ndev_to_vif(ndev); 1733 int rc; 1734 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1735 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); 1736 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); 1737 u16 proberesp_len = 0; 1738 u8 *proberesp; 1739 bool ft = false; 1740 1741 if (pbss) 1742 wmi_nettype = WMI_NETTYPE_P2P; 1743 1744 wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go); 1745 if (is_go && !pbss) { 1746 wil_err(wil, "P2P GO must be in PBSS\n"); 1747 return -ENOTSUPP; 1748 } 1749 1750 wil_set_recovery_state(wil, fw_recovery_idle); 1751 1752 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp, 1753 bcon->probe_resp_len, 1754 &proberesp_len); 1755 /* check that the probe response IEs has a MDE */ 1756 if ((proberesp && proberesp_len > 0 && 1757 cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN, 1758 proberesp, 1759 proberesp_len))) 1760 ft = true; 1761 1762 if (ft) { 1763 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, 1764 wil->fw_capabilities)) { 1765 wil_err(wil, "FW does not support FT roaming\n"); 1766 return -ENOTSUPP; 1767 } 1768 set_bit(wil_vif_ft_roam, vif->status); 1769 } 1770 1771 mutex_lock(&wil->mutex); 1772 1773 if (!wil_has_other_active_ifaces(wil, ndev, true, false)) { 1774 __wil_down(wil); 1775 rc = __wil_up(wil); 1776 if (rc) 1777 goto out; 1778 } 1779 1780 rc = wmi_set_ssid(vif, ssid_len, ssid); 1781 if (rc) 1782 goto out; 1783 1784 rc = _wil_cfg80211_set_ies(vif, bcon); 1785 if (rc) 1786 goto out; 1787 1788 vif->privacy = privacy; 1789 vif->channel = chan; 1790 vif->hidden_ssid = hidden_ssid; 1791 vif->pbss = pbss; 1792 vif->bi = bi; 1793 memcpy(vif->ssid, ssid, ssid_len); 1794 vif->ssid_len = ssid_len; 1795 1796 netif_carrier_on(ndev); 1797 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 1798 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); 1799 1800 rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, hidden_ssid, is_go); 1801 if (rc) 1802 goto err_pcp_start; 1803 1804 rc = wil_bcast_init(vif); 1805 if (rc) 1806 goto err_bcast; 1807 1808 goto out; /* success */ 1809 1810 err_bcast: 1811 wmi_pcp_stop(vif); 1812 err_pcp_start: 1813 netif_carrier_off(ndev); 1814 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 1815 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1816 out: 1817 mutex_unlock(&wil->mutex); 1818 return rc; 1819 } 1820 1821 void wil_cfg80211_ap_recovery(struct wil6210_priv *wil) 1822 { 1823 int rc, i; 1824 struct wiphy *wiphy = wil_to_wiphy(wil); 1825 1826 for (i = 0; i < GET_MAX_VIFS(wil); i++) { 1827 struct wil6210_vif *vif = wil->vifs[i]; 1828 struct net_device *ndev; 1829 struct cfg80211_beacon_data bcon = {}; 1830 struct key_params key_params = {}; 1831 1832 if (!vif || vif->ssid_len == 0) 1833 continue; 1834 1835 ndev = vif_to_ndev(vif); 1836 bcon.proberesp_ies = vif->proberesp_ies; 1837 bcon.assocresp_ies = vif->assocresp_ies; 1838 bcon.probe_resp = vif->proberesp; 1839 bcon.proberesp_ies_len = vif->proberesp_ies_len; 1840 bcon.assocresp_ies_len = vif->assocresp_ies_len; 1841 bcon.probe_resp_len = vif->proberesp_len; 1842 1843 wil_info(wil, 1844 "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n", 1845 i, vif->privacy, vif->bi, vif->channel, 1846 vif->hidden_ssid, vif->pbss); 1847 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 1848 vif->ssid, vif->ssid_len, true); 1849 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1850 vif->ssid, vif->ssid_len, 1851 vif->privacy, vif->bi, 1852 vif->channel, &bcon, 1853 vif->hidden_ssid, vif->pbss); 1854 if (rc) { 1855 wil_err(wil, "vif %d recovery failed (%d)\n", i, rc); 1856 continue; 1857 } 1858 1859 if (!vif->privacy || vif->gtk_len == 0) 1860 continue; 1861 1862 key_params.key = vif->gtk; 1863 key_params.key_len = vif->gtk_len; 1864 key_params.seq_len = IEEE80211_GCMP_PN_LEN; 1865 rc = wil_cfg80211_add_key(wiphy, ndev, vif->gtk_index, false, 1866 NULL, &key_params); 1867 if (rc) 1868 wil_err(wil, "vif %d recovery add key failed (%d)\n", 1869 i, rc); 1870 } 1871 } 1872 1873 static int wil_cfg80211_change_beacon(struct wiphy *wiphy, 1874 struct net_device *ndev, 1875 struct cfg80211_beacon_data *bcon) 1876 { 1877 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1878 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1879 struct wil6210_vif *vif = ndev_to_vif(ndev); 1880 int rc; 1881 u32 privacy = 0; 1882 1883 wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid); 1884 wil_print_bcon_data(bcon); 1885 1886 if (bcon->tail && 1887 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, 1888 bcon->tail_len)) 1889 privacy = 1; 1890 1891 memcpy(vif->ssid, wdev->ssid, wdev->ssid_len); 1892 vif->ssid_len = wdev->ssid_len; 1893 1894 /* in case privacy has changed, need to restart the AP */ 1895 if (vif->privacy != privacy) { 1896 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", 1897 vif->privacy, privacy); 1898 1899 rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid, 1900 vif->ssid_len, privacy, 1901 wdev->beacon_interval, 1902 vif->channel, bcon, 1903 vif->hidden_ssid, 1904 vif->pbss); 1905 } else { 1906 rc = _wil_cfg80211_set_ies(vif, bcon); 1907 } 1908 1909 return rc; 1910 } 1911 1912 static int wil_cfg80211_start_ap(struct wiphy *wiphy, 1913 struct net_device *ndev, 1914 struct cfg80211_ap_settings *info) 1915 { 1916 int rc; 1917 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1918 struct ieee80211_channel *channel = info->chandef.chan; 1919 struct cfg80211_beacon_data *bcon = &info->beacon; 1920 struct cfg80211_crypto_settings *crypto = &info->crypto; 1921 u8 hidden_ssid; 1922 1923 wil_dbg_misc(wil, "start_ap\n"); 1924 1925 if (!channel) { 1926 wil_err(wil, "AP: No channel???\n"); 1927 return -EINVAL; 1928 } 1929 1930 switch (info->hidden_ssid) { 1931 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1932 hidden_ssid = WMI_HIDDEN_SSID_DISABLED; 1933 break; 1934 1935 case NL80211_HIDDEN_SSID_ZERO_LEN: 1936 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; 1937 break; 1938 1939 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1940 hidden_ssid = WMI_HIDDEN_SSID_CLEAR; 1941 break; 1942 1943 default: 1944 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); 1945 return -EOPNOTSUPP; 1946 } 1947 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, 1948 channel->center_freq, info->privacy ? "secure" : "open"); 1949 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", 1950 info->privacy, info->auth_type); 1951 wil_dbg_misc(wil, "Hidden SSID mode: %d\n", 1952 info->hidden_ssid); 1953 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, 1954 info->dtim_period); 1955 wil_dbg_misc(wil, "PBSS %d\n", info->pbss); 1956 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 1957 info->ssid, info->ssid_len, true); 1958 wil_print_bcon_data(bcon); 1959 wil_print_crypto(wil, crypto); 1960 1961 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1962 info->ssid, info->ssid_len, info->privacy, 1963 info->beacon_interval, channel->hw_value, 1964 bcon, hidden_ssid, info->pbss); 1965 1966 return rc; 1967 } 1968 1969 static int wil_cfg80211_stop_ap(struct wiphy *wiphy, 1970 struct net_device *ndev) 1971 { 1972 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1973 struct wil6210_vif *vif = ndev_to_vif(ndev); 1974 bool last; 1975 1976 wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid); 1977 1978 netif_carrier_off(ndev); 1979 last = !wil_has_other_active_ifaces(wil, ndev, false, true); 1980 if (last) { 1981 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1982 wil_set_recovery_state(wil, fw_recovery_idle); 1983 set_bit(wil_status_resetting, wil->status); 1984 } 1985 1986 mutex_lock(&wil->mutex); 1987 1988 wmi_pcp_stop(vif); 1989 clear_bit(wil_vif_ft_roam, vif->status); 1990 vif->ssid_len = 0; 1991 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0); 1992 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0); 1993 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0); 1994 memset(vif->gtk, 0, WMI_MAX_KEY_LEN); 1995 vif->gtk_len = 0; 1996 1997 if (last) 1998 __wil_down(wil); 1999 else 2000 wil_bcast_fini(vif); 2001 2002 mutex_unlock(&wil->mutex); 2003 2004 return 0; 2005 } 2006 2007 static int wil_cfg80211_add_station(struct wiphy *wiphy, 2008 struct net_device *dev, 2009 const u8 *mac, 2010 struct station_parameters *params) 2011 { 2012 struct wil6210_vif *vif = ndev_to_vif(dev); 2013 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2014 2015 wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n", 2016 mac, params->aid, vif->mid, 2017 params->sta_flags_mask, params->sta_flags_set); 2018 2019 if (!disable_ap_sme) { 2020 wil_err(wil, "not supported with AP SME enabled\n"); 2021 return -EOPNOTSUPP; 2022 } 2023 2024 if (params->aid > WIL_MAX_DMG_AID) { 2025 wil_err(wil, "invalid aid\n"); 2026 return -EINVAL; 2027 } 2028 2029 return wmi_new_sta(vif, mac, params->aid); 2030 } 2031 2032 static int wil_cfg80211_del_station(struct wiphy *wiphy, 2033 struct net_device *dev, 2034 struct station_del_parameters *params) 2035 { 2036 struct wil6210_vif *vif = ndev_to_vif(dev); 2037 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2038 2039 wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n", 2040 params->mac, params->reason_code, vif->mid); 2041 2042 mutex_lock(&wil->mutex); 2043 wil6210_disconnect(vif, params->mac, params->reason_code); 2044 mutex_unlock(&wil->mutex); 2045 2046 return 0; 2047 } 2048 2049 static int wil_cfg80211_change_station(struct wiphy *wiphy, 2050 struct net_device *dev, 2051 const u8 *mac, 2052 struct station_parameters *params) 2053 { 2054 struct wil6210_vif *vif = ndev_to_vif(dev); 2055 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2056 int authorize; 2057 int cid, i; 2058 struct wil_ring_tx_data *txdata = NULL; 2059 2060 wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n", 2061 mac, params->sta_flags_mask, params->sta_flags_set, 2062 vif->mid); 2063 2064 if (!disable_ap_sme) { 2065 wil_dbg_misc(wil, "not supported with AP SME enabled\n"); 2066 return -EOPNOTSUPP; 2067 } 2068 2069 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 2070 return 0; 2071 2072 cid = wil_find_cid(wil, vif->mid, mac); 2073 if (cid < 0) { 2074 wil_err(wil, "station not found\n"); 2075 return -ENOLINK; 2076 } 2077 2078 for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) 2079 if (wil->ring2cid_tid[i][0] == cid) { 2080 txdata = &wil->ring_tx_data[i]; 2081 break; 2082 } 2083 2084 if (!txdata) { 2085 wil_err(wil, "ring data not found\n"); 2086 return -ENOLINK; 2087 } 2088 2089 authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); 2090 txdata->dot1x_open = authorize ? 1 : 0; 2091 wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i, 2092 txdata->dot1x_open); 2093 2094 return 0; 2095 } 2096 2097 /* probe_client handling */ 2098 static void wil_probe_client_handle(struct wil6210_priv *wil, 2099 struct wil6210_vif *vif, 2100 struct wil_probe_client_req *req) 2101 { 2102 struct net_device *ndev = vif_to_ndev(vif); 2103 struct wil_sta_info *sta = &wil->sta[req->cid]; 2104 /* assume STA is alive if it is still connected, 2105 * else FW will disconnect it 2106 */ 2107 bool alive = (sta->status == wil_sta_connected); 2108 2109 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, 2110 0, false, GFP_KERNEL); 2111 } 2112 2113 static struct list_head *next_probe_client(struct wil6210_vif *vif) 2114 { 2115 struct list_head *ret = NULL; 2116 2117 mutex_lock(&vif->probe_client_mutex); 2118 2119 if (!list_empty(&vif->probe_client_pending)) { 2120 ret = vif->probe_client_pending.next; 2121 list_del(ret); 2122 } 2123 2124 mutex_unlock(&vif->probe_client_mutex); 2125 2126 return ret; 2127 } 2128 2129 void wil_probe_client_worker(struct work_struct *work) 2130 { 2131 struct wil6210_vif *vif = container_of(work, struct wil6210_vif, 2132 probe_client_worker); 2133 struct wil6210_priv *wil = vif_to_wil(vif); 2134 struct wil_probe_client_req *req; 2135 struct list_head *lh; 2136 2137 while ((lh = next_probe_client(vif)) != NULL) { 2138 req = list_entry(lh, struct wil_probe_client_req, list); 2139 2140 wil_probe_client_handle(wil, vif, req); 2141 kfree(req); 2142 } 2143 } 2144 2145 void wil_probe_client_flush(struct wil6210_vif *vif) 2146 { 2147 struct wil_probe_client_req *req, *t; 2148 struct wil6210_priv *wil = vif_to_wil(vif); 2149 2150 wil_dbg_misc(wil, "probe_client_flush\n"); 2151 2152 mutex_lock(&vif->probe_client_mutex); 2153 2154 list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) { 2155 list_del(&req->list); 2156 kfree(req); 2157 } 2158 2159 mutex_unlock(&vif->probe_client_mutex); 2160 } 2161 2162 static int wil_cfg80211_probe_client(struct wiphy *wiphy, 2163 struct net_device *dev, 2164 const u8 *peer, u64 *cookie) 2165 { 2166 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2167 struct wil6210_vif *vif = ndev_to_vif(dev); 2168 struct wil_probe_client_req *req; 2169 int cid = wil_find_cid(wil, vif->mid, peer); 2170 2171 wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n", 2172 peer, cid, vif->mid); 2173 2174 if (cid < 0) 2175 return -ENOLINK; 2176 2177 req = kzalloc(sizeof(*req), GFP_KERNEL); 2178 if (!req) 2179 return -ENOMEM; 2180 2181 req->cid = cid; 2182 req->cookie = cid; 2183 2184 mutex_lock(&vif->probe_client_mutex); 2185 list_add_tail(&req->list, &vif->probe_client_pending); 2186 mutex_unlock(&vif->probe_client_mutex); 2187 2188 *cookie = req->cookie; 2189 queue_work(wil->wq_service, &vif->probe_client_worker); 2190 return 0; 2191 } 2192 2193 static int wil_cfg80211_change_bss(struct wiphy *wiphy, 2194 struct net_device *dev, 2195 struct bss_parameters *params) 2196 { 2197 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2198 struct wil6210_vif *vif = ndev_to_vif(dev); 2199 2200 if (params->ap_isolate >= 0) { 2201 wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n", 2202 vif->mid, vif->ap_isolate, params->ap_isolate); 2203 vif->ap_isolate = params->ap_isolate; 2204 } 2205 2206 return 0; 2207 } 2208 2209 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy, 2210 struct net_device *dev, 2211 bool enabled, int timeout) 2212 { 2213 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2214 enum wmi_ps_profile_type ps_profile; 2215 2216 wil_dbg_misc(wil, "enabled=%d, timeout=%d\n", 2217 enabled, timeout); 2218 2219 if (enabled) 2220 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; 2221 else 2222 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED; 2223 2224 return wil_ps_update(wil, ps_profile); 2225 } 2226 2227 static int wil_cfg80211_suspend(struct wiphy *wiphy, 2228 struct cfg80211_wowlan *wow) 2229 { 2230 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2231 int rc; 2232 2233 /* Setting the wakeup trigger based on wow is TBD */ 2234 2235 if (test_bit(wil_status_suspended, wil->status)) { 2236 wil_dbg_pm(wil, "trying to suspend while suspended\n"); 2237 return 0; 2238 } 2239 2240 rc = wil_can_suspend(wil, false); 2241 if (rc) 2242 goto out; 2243 2244 wil_dbg_pm(wil, "suspending\n"); 2245 2246 mutex_lock(&wil->mutex); 2247 mutex_lock(&wil->vif_mutex); 2248 wil_p2p_stop_radio_operations(wil); 2249 wil_abort_scan_all_vifs(wil, true); 2250 mutex_unlock(&wil->vif_mutex); 2251 mutex_unlock(&wil->mutex); 2252 2253 out: 2254 return rc; 2255 } 2256 2257 static int wil_cfg80211_resume(struct wiphy *wiphy) 2258 { 2259 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2260 2261 wil_dbg_pm(wil, "resuming\n"); 2262 2263 return 0; 2264 } 2265 2266 static int 2267 wil_cfg80211_sched_scan_start(struct wiphy *wiphy, 2268 struct net_device *dev, 2269 struct cfg80211_sched_scan_request *request) 2270 { 2271 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2272 struct wil6210_vif *vif = ndev_to_vif(dev); 2273 int i, rc; 2274 2275 if (vif->mid != 0) 2276 return -EOPNOTSUPP; 2277 2278 wil_dbg_misc(wil, 2279 "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n", 2280 request->n_ssids, request->ie_len, request->flags); 2281 for (i = 0; i < request->n_ssids; i++) { 2282 wil_dbg_misc(wil, "SSID[%d]:", i); 2283 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2284 request->ssids[i].ssid, 2285 request->ssids[i].ssid_len, true); 2286 } 2287 wil_dbg_misc(wil, "channels:"); 2288 for (i = 0; i < request->n_channels; i++) 2289 wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value, 2290 i == request->n_channels - 1 ? "\n" : ""); 2291 wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n", 2292 request->n_match_sets, request->min_rssi_thold, 2293 request->delay); 2294 for (i = 0; i < request->n_match_sets; i++) { 2295 struct cfg80211_match_set *ms = &request->match_sets[i]; 2296 2297 wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n", 2298 i, ms->rssi_thold); 2299 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2300 ms->ssid.ssid, 2301 ms->ssid.ssid_len, true); 2302 } 2303 wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans); 2304 for (i = 0; i < request->n_scan_plans; i++) { 2305 struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i]; 2306 2307 wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n", 2308 i, sp->interval, sp->iterations); 2309 } 2310 2311 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ, 2312 request->ie_len, request->ie); 2313 if (rc) 2314 return rc; 2315 return wmi_start_sched_scan(wil, request); 2316 } 2317 2318 static int 2319 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 2320 u64 reqid) 2321 { 2322 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2323 struct wil6210_vif *vif = ndev_to_vif(dev); 2324 int rc; 2325 2326 if (vif->mid != 0) 2327 return -EOPNOTSUPP; 2328 2329 rc = wmi_stop_sched_scan(wil); 2330 /* device would return error if it thinks PNO is already stopped. 2331 * ignore the return code so user space and driver gets back in-sync 2332 */ 2333 wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc); 2334 2335 return 0; 2336 } 2337 2338 static int 2339 wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev, 2340 struct cfg80211_update_ft_ies_params *ftie) 2341 { 2342 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2343 struct wil6210_vif *vif = ndev_to_vif(dev); 2344 struct cfg80211_bss *bss; 2345 struct wmi_ft_reassoc_cmd reassoc; 2346 int rc = 0; 2347 2348 wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid); 2349 wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1, 2350 ftie->ie, ftie->ie_len, true); 2351 2352 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) { 2353 wil_err(wil, "FW does not support FT roaming\n"); 2354 return -EOPNOTSUPP; 2355 } 2356 2357 rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie); 2358 if (rc) 2359 return rc; 2360 2361 if (!test_bit(wil_vif_ft_roam, vif->status)) 2362 /* vif is not roaming */ 2363 return 0; 2364 2365 /* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as 2366 * a trigger for reassoc 2367 */ 2368 2369 bss = vif->bss; 2370 if (!bss) { 2371 wil_err(wil, "FT: bss is NULL\n"); 2372 return -EINVAL; 2373 } 2374 2375 memset(&reassoc, 0, sizeof(reassoc)); 2376 ether_addr_copy(reassoc.bssid, bss->bssid); 2377 2378 rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid, 2379 &reassoc, sizeof(reassoc)); 2380 if (rc) 2381 wil_err(wil, "FT: reassoc failed (%d)\n", rc); 2382 2383 return rc; 2384 } 2385 2386 static const struct cfg80211_ops wil_cfg80211_ops = { 2387 .add_virtual_intf = wil_cfg80211_add_iface, 2388 .del_virtual_intf = wil_cfg80211_del_iface, 2389 .scan = wil_cfg80211_scan, 2390 .abort_scan = wil_cfg80211_abort_scan, 2391 .connect = wil_cfg80211_connect, 2392 .disconnect = wil_cfg80211_disconnect, 2393 .set_wiphy_params = wil_cfg80211_set_wiphy_params, 2394 .change_virtual_intf = wil_cfg80211_change_iface, 2395 .get_station = wil_cfg80211_get_station, 2396 .dump_station = wil_cfg80211_dump_station, 2397 .remain_on_channel = wil_remain_on_channel, 2398 .cancel_remain_on_channel = wil_cancel_remain_on_channel, 2399 .mgmt_tx = wil_cfg80211_mgmt_tx, 2400 .set_monitor_channel = wil_cfg80211_set_channel, 2401 .add_key = wil_cfg80211_add_key, 2402 .del_key = wil_cfg80211_del_key, 2403 .set_default_key = wil_cfg80211_set_default_key, 2404 /* AP mode */ 2405 .change_beacon = wil_cfg80211_change_beacon, 2406 .start_ap = wil_cfg80211_start_ap, 2407 .stop_ap = wil_cfg80211_stop_ap, 2408 .add_station = wil_cfg80211_add_station, 2409 .del_station = wil_cfg80211_del_station, 2410 .change_station = wil_cfg80211_change_station, 2411 .probe_client = wil_cfg80211_probe_client, 2412 .change_bss = wil_cfg80211_change_bss, 2413 /* P2P device */ 2414 .start_p2p_device = wil_cfg80211_start_p2p_device, 2415 .stop_p2p_device = wil_cfg80211_stop_p2p_device, 2416 .set_power_mgmt = wil_cfg80211_set_power_mgmt, 2417 .suspend = wil_cfg80211_suspend, 2418 .resume = wil_cfg80211_resume, 2419 .sched_scan_start = wil_cfg80211_sched_scan_start, 2420 .sched_scan_stop = wil_cfg80211_sched_scan_stop, 2421 .update_ft_ies = wil_cfg80211_update_ft_ies, 2422 }; 2423 2424 static void wil_wiphy_init(struct wiphy *wiphy) 2425 { 2426 wiphy->max_scan_ssids = 1; 2427 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 2428 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; 2429 wiphy->max_num_pmkids = 0 /* TODO: */; 2430 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 2431 BIT(NL80211_IFTYPE_AP) | 2432 BIT(NL80211_IFTYPE_P2P_CLIENT) | 2433 BIT(NL80211_IFTYPE_P2P_GO) | 2434 BIT(NL80211_IFTYPE_P2P_DEVICE) | 2435 BIT(NL80211_IFTYPE_MONITOR); 2436 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 2437 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 2438 WIPHY_FLAG_PS_ON_BY_DEFAULT; 2439 if (!disable_ap_sme) 2440 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; 2441 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", 2442 __func__, wiphy->flags); 2443 wiphy->probe_resp_offload = 2444 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 2445 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 2446 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 2447 2448 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; 2449 2450 /* may change after reading FW capabilities */ 2451 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 2452 2453 wiphy->cipher_suites = wil_cipher_suites; 2454 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); 2455 wiphy->mgmt_stypes = wil_mgmt_stypes; 2456 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 2457 2458 wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands); 2459 wiphy->vendor_commands = wil_nl80211_vendor_commands; 2460 2461 #ifdef CONFIG_PM 2462 wiphy->wowlan = &wil_wowlan_support; 2463 #endif 2464 } 2465 2466 int wil_cfg80211_iface_combinations_from_fw( 2467 struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc) 2468 { 2469 struct wiphy *wiphy = wil_to_wiphy(wil); 2470 u32 total_limits = 0; 2471 u16 n_combos; 2472 const struct wil_fw_concurrency_combo *combo; 2473 const struct wil_fw_concurrency_limit *limit; 2474 struct ieee80211_iface_combination *iface_combinations; 2475 struct ieee80211_iface_limit *iface_limit; 2476 int i, j; 2477 2478 if (wiphy->iface_combinations) { 2479 wil_dbg_misc(wil, "iface_combinations already set, skipping\n"); 2480 return 0; 2481 } 2482 2483 combo = conc->combos; 2484 n_combos = le16_to_cpu(conc->n_combos); 2485 for (i = 0; i < n_combos; i++) { 2486 total_limits += combo->n_limits; 2487 limit = combo->limits + combo->n_limits; 2488 combo = (struct wil_fw_concurrency_combo *)limit; 2489 } 2490 2491 iface_combinations = 2492 kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) + 2493 total_limits * sizeof(struct ieee80211_iface_limit), 2494 GFP_KERNEL); 2495 if (!iface_combinations) 2496 return -ENOMEM; 2497 iface_limit = (struct ieee80211_iface_limit *)(iface_combinations + 2498 n_combos); 2499 combo = conc->combos; 2500 for (i = 0; i < n_combos; i++) { 2501 iface_combinations[i].max_interfaces = combo->max_interfaces; 2502 iface_combinations[i].num_different_channels = 2503 combo->n_diff_channels; 2504 iface_combinations[i].beacon_int_infra_match = 2505 combo->same_bi; 2506 iface_combinations[i].n_limits = combo->n_limits; 2507 wil_dbg_misc(wil, 2508 "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n", 2509 i, iface_combinations[i].max_interfaces, 2510 iface_combinations[i].num_different_channels, 2511 iface_combinations[i].beacon_int_infra_match); 2512 limit = combo->limits; 2513 for (j = 0; j < combo->n_limits; j++) { 2514 iface_limit[j].max = le16_to_cpu(limit[j].max); 2515 iface_limit[j].types = le16_to_cpu(limit[j].types); 2516 wil_dbg_misc(wil, 2517 "limit %d: max %d types 0x%x\n", j, 2518 iface_limit[j].max, iface_limit[j].types); 2519 } 2520 iface_combinations[i].limits = iface_limit; 2521 iface_limit += combo->n_limits; 2522 limit += combo->n_limits; 2523 combo = (struct wil_fw_concurrency_combo *)limit; 2524 } 2525 2526 wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids); 2527 wil->max_vifs = conc->n_mids + 1; /* including main interface */ 2528 if (wil->max_vifs > WIL_MAX_VIFS) { 2529 wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n", 2530 WIL_MAX_VIFS, wil->max_vifs); 2531 wil->max_vifs = WIL_MAX_VIFS; 2532 } 2533 wiphy->n_iface_combinations = n_combos; 2534 wiphy->iface_combinations = iface_combinations; 2535 return 0; 2536 } 2537 2538 struct wil6210_priv *wil_cfg80211_init(struct device *dev) 2539 { 2540 struct wiphy *wiphy; 2541 struct wil6210_priv *wil; 2542 struct ieee80211_channel *ch; 2543 2544 dev_dbg(dev, "%s()\n", __func__); 2545 2546 /* Note: the wireless_dev structure is no longer allocated here. 2547 * Instead, it is allocated as part of the net_device structure 2548 * for main interface and each VIF. 2549 */ 2550 wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv)); 2551 if (!wiphy) 2552 return ERR_PTR(-ENOMEM); 2553 2554 set_wiphy_dev(wiphy, dev); 2555 wil_wiphy_init(wiphy); 2556 2557 wil = wiphy_to_wil(wiphy); 2558 wil->wiphy = wiphy; 2559 2560 /* default monitor channel */ 2561 ch = wiphy->bands[NL80211_BAND_60GHZ]->channels; 2562 cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT); 2563 2564 return wil; 2565 } 2566 2567 void wil_cfg80211_deinit(struct wil6210_priv *wil) 2568 { 2569 struct wiphy *wiphy = wil_to_wiphy(wil); 2570 2571 dev_dbg(wil_to_dev(wil), "%s()\n", __func__); 2572 2573 if (!wiphy) 2574 return; 2575 2576 kfree(wiphy->iface_combinations); 2577 wiphy->iface_combinations = NULL; 2578 2579 wiphy_free(wiphy); 2580 /* do not access wil6210_priv after returning from here */ 2581 } 2582 2583 void wil_p2p_wdev_free(struct wil6210_priv *wil) 2584 { 2585 struct wireless_dev *p2p_wdev; 2586 2587 mutex_lock(&wil->vif_mutex); 2588 p2p_wdev = wil->p2p_wdev; 2589 wil->p2p_wdev = NULL; 2590 wil->radio_wdev = wil->main_ndev->ieee80211_ptr; 2591 mutex_unlock(&wil->vif_mutex); 2592 if (p2p_wdev) { 2593 cfg80211_unregister_wdev(p2p_wdev); 2594 kfree(p2p_wdev); 2595 } 2596 } 2597 2598 static int wil_rf_sector_status_to_rc(u8 status) 2599 { 2600 switch (status) { 2601 case WMI_RF_SECTOR_STATUS_SUCCESS: 2602 return 0; 2603 case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR: 2604 return -EINVAL; 2605 case WMI_RF_SECTOR_STATUS_BUSY_ERROR: 2606 return -EAGAIN; 2607 case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR: 2608 return -EOPNOTSUPP; 2609 default: 2610 return -EINVAL; 2611 } 2612 } 2613 2614 static int wil_rf_sector_get_cfg(struct wiphy *wiphy, 2615 struct wireless_dev *wdev, 2616 const void *data, int data_len) 2617 { 2618 struct wil6210_priv *wil = wdev_to_wil(wdev); 2619 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2620 int rc; 2621 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2622 u16 sector_index; 2623 u8 sector_type; 2624 u32 rf_modules_vec; 2625 struct wmi_get_rf_sector_params_cmd cmd; 2626 struct { 2627 struct wmi_cmd_hdr wmi; 2628 struct wmi_get_rf_sector_params_done_event evt; 2629 } __packed reply = { 2630 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2631 }; 2632 struct sk_buff *msg; 2633 struct nlattr *nl_cfgs, *nl_cfg; 2634 u32 i; 2635 struct wmi_rf_sector_info *si; 2636 2637 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2638 return -EOPNOTSUPP; 2639 2640 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 2641 data_len, wil_rf_sector_policy, NULL); 2642 if (rc) { 2643 wil_err(wil, "Invalid rf sector ATTR\n"); 2644 return rc; 2645 } 2646 2647 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2648 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || 2649 !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) { 2650 wil_err(wil, "Invalid rf sector spec\n"); 2651 return -EINVAL; 2652 } 2653 2654 sector_index = nla_get_u16( 2655 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2656 if (sector_index >= WIL_MAX_RF_SECTORS) { 2657 wil_err(wil, "Invalid sector index %d\n", sector_index); 2658 return -EINVAL; 2659 } 2660 2661 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2662 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2663 wil_err(wil, "Invalid sector type %d\n", sector_type); 2664 return -EINVAL; 2665 } 2666 2667 rf_modules_vec = nla_get_u32( 2668 tb[QCA_ATTR_DMG_RF_MODULE_MASK]); 2669 if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) { 2670 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec); 2671 return -EINVAL; 2672 } 2673 2674 cmd.sector_idx = cpu_to_le16(sector_index); 2675 cmd.sector_type = sector_type; 2676 cmd.rf_modules_vec = rf_modules_vec & 0xFF; 2677 rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid, 2678 &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID, 2679 &reply, sizeof(reply), 2680 500); 2681 if (rc) 2682 return rc; 2683 if (reply.evt.status) { 2684 wil_err(wil, "get rf sector cfg failed with status %d\n", 2685 reply.evt.status); 2686 return wil_rf_sector_status_to_rc(reply.evt.status); 2687 } 2688 2689 msg = cfg80211_vendor_cmd_alloc_reply_skb( 2690 wiphy, 64 * WMI_MAX_RF_MODULES_NUM); 2691 if (!msg) 2692 return -ENOMEM; 2693 2694 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF, 2695 le64_to_cpu(reply.evt.tsf), 2696 QCA_ATTR_PAD)) 2697 goto nla_put_failure; 2698 2699 nl_cfgs = nla_nest_start_noflag(msg, QCA_ATTR_DMG_RF_SECTOR_CFG); 2700 if (!nl_cfgs) 2701 goto nla_put_failure; 2702 for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) { 2703 if (!(rf_modules_vec & BIT(i))) 2704 continue; 2705 nl_cfg = nla_nest_start_noflag(msg, i); 2706 if (!nl_cfg) 2707 goto nla_put_failure; 2708 si = &reply.evt.sectors_info[i]; 2709 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX, 2710 i) || 2711 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0, 2712 le32_to_cpu(si->etype0)) || 2713 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1, 2714 le32_to_cpu(si->etype1)) || 2715 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2, 2716 le32_to_cpu(si->etype2)) || 2717 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI, 2718 le32_to_cpu(si->psh_hi)) || 2719 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO, 2720 le32_to_cpu(si->psh_lo)) || 2721 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16, 2722 le32_to_cpu(si->dtype_swch_off))) 2723 goto nla_put_failure; 2724 nla_nest_end(msg, nl_cfg); 2725 } 2726 2727 nla_nest_end(msg, nl_cfgs); 2728 rc = cfg80211_vendor_cmd_reply(msg); 2729 return rc; 2730 nla_put_failure: 2731 kfree_skb(msg); 2732 return -ENOBUFS; 2733 } 2734 2735 static int wil_rf_sector_set_cfg(struct wiphy *wiphy, 2736 struct wireless_dev *wdev, 2737 const void *data, int data_len) 2738 { 2739 struct wil6210_priv *wil = wdev_to_wil(wdev); 2740 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2741 int rc, tmp; 2742 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2743 struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1]; 2744 u16 sector_index, rf_module_index; 2745 u8 sector_type; 2746 u32 rf_modules_vec = 0; 2747 struct wmi_set_rf_sector_params_cmd cmd; 2748 struct { 2749 struct wmi_cmd_hdr wmi; 2750 struct wmi_set_rf_sector_params_done_event evt; 2751 } __packed reply = { 2752 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2753 }; 2754 struct nlattr *nl_cfg; 2755 struct wmi_rf_sector_info *si; 2756 2757 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2758 return -EOPNOTSUPP; 2759 2760 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 2761 data_len, wil_rf_sector_policy, NULL); 2762 if (rc) { 2763 wil_err(wil, "Invalid rf sector ATTR\n"); 2764 return rc; 2765 } 2766 2767 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2768 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || 2769 !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) { 2770 wil_err(wil, "Invalid rf sector spec\n"); 2771 return -EINVAL; 2772 } 2773 2774 sector_index = nla_get_u16( 2775 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2776 if (sector_index >= WIL_MAX_RF_SECTORS) { 2777 wil_err(wil, "Invalid sector index %d\n", sector_index); 2778 return -EINVAL; 2779 } 2780 2781 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2782 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2783 wil_err(wil, "Invalid sector type %d\n", sector_type); 2784 return -EINVAL; 2785 } 2786 2787 memset(&cmd, 0, sizeof(cmd)); 2788 2789 cmd.sector_idx = cpu_to_le16(sector_index); 2790 cmd.sector_type = sector_type; 2791 nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG], 2792 tmp) { 2793 rc = nla_parse_nested_deprecated(tb2, 2794 QCA_ATTR_DMG_RF_SECTOR_CFG_MAX, 2795 nl_cfg, 2796 wil_rf_sector_cfg_policy, 2797 NULL); 2798 if (rc) { 2799 wil_err(wil, "invalid sector cfg\n"); 2800 return -EINVAL; 2801 } 2802 2803 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] || 2804 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] || 2805 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] || 2806 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] || 2807 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] || 2808 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] || 2809 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) { 2810 wil_err(wil, "missing cfg params\n"); 2811 return -EINVAL; 2812 } 2813 2814 rf_module_index = nla_get_u8( 2815 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]); 2816 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) { 2817 wil_err(wil, "invalid RF module index %d\n", 2818 rf_module_index); 2819 return -EINVAL; 2820 } 2821 rf_modules_vec |= BIT(rf_module_index); 2822 si = &cmd.sectors_info[rf_module_index]; 2823 si->etype0 = cpu_to_le32(nla_get_u32( 2824 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0])); 2825 si->etype1 = cpu_to_le32(nla_get_u32( 2826 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1])); 2827 si->etype2 = cpu_to_le32(nla_get_u32( 2828 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2])); 2829 si->psh_hi = cpu_to_le32(nla_get_u32( 2830 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI])); 2831 si->psh_lo = cpu_to_le32(nla_get_u32( 2832 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO])); 2833 si->dtype_swch_off = cpu_to_le32(nla_get_u32( 2834 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16])); 2835 } 2836 2837 cmd.rf_modules_vec = rf_modules_vec & 0xFF; 2838 rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid, 2839 &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID, 2840 &reply, sizeof(reply), 2841 500); 2842 if (rc) 2843 return rc; 2844 return wil_rf_sector_status_to_rc(reply.evt.status); 2845 } 2846 2847 static int wil_rf_sector_get_selected(struct wiphy *wiphy, 2848 struct wireless_dev *wdev, 2849 const void *data, int data_len) 2850 { 2851 struct wil6210_priv *wil = wdev_to_wil(wdev); 2852 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2853 int rc; 2854 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2855 u8 sector_type, mac_addr[ETH_ALEN]; 2856 int cid = 0; 2857 struct wmi_get_selected_rf_sector_index_cmd cmd; 2858 struct { 2859 struct wmi_cmd_hdr wmi; 2860 struct wmi_get_selected_rf_sector_index_done_event evt; 2861 } __packed reply = { 2862 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2863 }; 2864 struct sk_buff *msg; 2865 2866 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2867 return -EOPNOTSUPP; 2868 2869 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 2870 data_len, wil_rf_sector_policy, NULL); 2871 if (rc) { 2872 wil_err(wil, "Invalid rf sector ATTR\n"); 2873 return rc; 2874 } 2875 2876 if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { 2877 wil_err(wil, "Invalid rf sector spec\n"); 2878 return -EINVAL; 2879 } 2880 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2881 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2882 wil_err(wil, "Invalid sector type %d\n", sector_type); 2883 return -EINVAL; 2884 } 2885 2886 if (tb[QCA_ATTR_MAC_ADDR]) { 2887 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); 2888 cid = wil_find_cid(wil, vif->mid, mac_addr); 2889 if (cid < 0) { 2890 wil_err(wil, "invalid MAC address %pM\n", mac_addr); 2891 return -ENOENT; 2892 } 2893 } else { 2894 if (test_bit(wil_vif_fwconnected, vif->status)) { 2895 wil_err(wil, "must specify MAC address when connected\n"); 2896 return -EINVAL; 2897 } 2898 } 2899 2900 memset(&cmd, 0, sizeof(cmd)); 2901 cmd.cid = (u8)cid; 2902 cmd.sector_type = sector_type; 2903 rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid, 2904 &cmd, sizeof(cmd), 2905 WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, 2906 &reply, sizeof(reply), 2907 500); 2908 if (rc) 2909 return rc; 2910 if (reply.evt.status) { 2911 wil_err(wil, "get rf selected sector cfg failed with status %d\n", 2912 reply.evt.status); 2913 return wil_rf_sector_status_to_rc(reply.evt.status); 2914 } 2915 2916 msg = cfg80211_vendor_cmd_alloc_reply_skb( 2917 wiphy, 64 * WMI_MAX_RF_MODULES_NUM); 2918 if (!msg) 2919 return -ENOMEM; 2920 2921 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF, 2922 le64_to_cpu(reply.evt.tsf), 2923 QCA_ATTR_PAD) || 2924 nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX, 2925 le16_to_cpu(reply.evt.sector_idx))) 2926 goto nla_put_failure; 2927 2928 rc = cfg80211_vendor_cmd_reply(msg); 2929 return rc; 2930 nla_put_failure: 2931 kfree_skb(msg); 2932 return -ENOBUFS; 2933 } 2934 2935 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil, 2936 u8 mid, u16 sector_index, 2937 u8 sector_type, u8 cid) 2938 { 2939 struct wmi_set_selected_rf_sector_index_cmd cmd; 2940 struct { 2941 struct wmi_cmd_hdr wmi; 2942 struct wmi_set_selected_rf_sector_index_done_event evt; 2943 } __packed reply = { 2944 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2945 }; 2946 int rc; 2947 2948 memset(&cmd, 0, sizeof(cmd)); 2949 cmd.sector_idx = cpu_to_le16(sector_index); 2950 cmd.sector_type = sector_type; 2951 cmd.cid = (u8)cid; 2952 rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid, 2953 &cmd, sizeof(cmd), 2954 WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, 2955 &reply, sizeof(reply), 2956 500); 2957 if (rc) 2958 return rc; 2959 return wil_rf_sector_status_to_rc(reply.evt.status); 2960 } 2961 2962 static int wil_rf_sector_set_selected(struct wiphy *wiphy, 2963 struct wireless_dev *wdev, 2964 const void *data, int data_len) 2965 { 2966 struct wil6210_priv *wil = wdev_to_wil(wdev); 2967 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2968 int rc; 2969 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2970 u16 sector_index; 2971 u8 sector_type, mac_addr[ETH_ALEN], i; 2972 int cid = 0; 2973 2974 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2975 return -EOPNOTSUPP; 2976 2977 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 2978 data_len, wil_rf_sector_policy, NULL); 2979 if (rc) { 2980 wil_err(wil, "Invalid rf sector ATTR\n"); 2981 return rc; 2982 } 2983 2984 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2985 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { 2986 wil_err(wil, "Invalid rf sector spec\n"); 2987 return -EINVAL; 2988 } 2989 2990 sector_index = nla_get_u16( 2991 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2992 if (sector_index >= WIL_MAX_RF_SECTORS && 2993 sector_index != WMI_INVALID_RF_SECTOR_INDEX) { 2994 wil_err(wil, "Invalid sector index %d\n", sector_index); 2995 return -EINVAL; 2996 } 2997 2998 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2999 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 3000 wil_err(wil, "Invalid sector type %d\n", sector_type); 3001 return -EINVAL; 3002 } 3003 3004 if (tb[QCA_ATTR_MAC_ADDR]) { 3005 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); 3006 if (!is_broadcast_ether_addr(mac_addr)) { 3007 cid = wil_find_cid(wil, vif->mid, mac_addr); 3008 if (cid < 0) { 3009 wil_err(wil, "invalid MAC address %pM\n", 3010 mac_addr); 3011 return -ENOENT; 3012 } 3013 } else { 3014 if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) { 3015 wil_err(wil, "broadcast MAC valid only with unlocking\n"); 3016 return -EINVAL; 3017 } 3018 cid = -1; 3019 } 3020 } else { 3021 if (test_bit(wil_vif_fwconnected, vif->status)) { 3022 wil_err(wil, "must specify MAC address when connected\n"); 3023 return -EINVAL; 3024 } 3025 /* otherwise, using cid=0 for unassociated station */ 3026 } 3027 3028 if (cid >= 0) { 3029 rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index, 3030 sector_type, cid); 3031 } else { 3032 /* unlock all cids */ 3033 rc = wil_rf_sector_wmi_set_selected( 3034 wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX, 3035 sector_type, WIL_CID_ALL); 3036 if (rc == -EINVAL) { 3037 for (i = 0; i < wil->max_assoc_sta; i++) { 3038 if (wil->sta[i].mid != vif->mid) 3039 continue; 3040 rc = wil_rf_sector_wmi_set_selected( 3041 wil, vif->mid, 3042 WMI_INVALID_RF_SECTOR_INDEX, 3043 sector_type, i); 3044 /* the FW will silently ignore and return 3045 * success for unused cid, so abort the loop 3046 * on any other error 3047 */ 3048 if (rc) { 3049 wil_err(wil, "unlock cid %d failed with status %d\n", 3050 i, rc); 3051 break; 3052 } 3053 } 3054 } 3055 } 3056 3057 return rc; 3058 } 3059