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 < wil->max_vifs; 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 < wil->max_vifs; 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 tx_status = (rc == 0); 1278 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, 1279 tx_status, GFP_KERNEL); 1280 1281 return rc; 1282 } 1283 1284 static int wil_cfg80211_set_channel(struct wiphy *wiphy, 1285 struct cfg80211_chan_def *chandef) 1286 { 1287 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1288 1289 wil->monitor_chandef = *chandef; 1290 1291 return 0; 1292 } 1293 1294 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev, 1295 bool pairwise) 1296 { 1297 struct wil6210_priv *wil = wdev_to_wil(wdev); 1298 enum wmi_key_usage rc; 1299 1300 if (pairwise) { 1301 rc = WMI_KEY_USE_PAIRWISE; 1302 } else { 1303 switch (wdev->iftype) { 1304 case NL80211_IFTYPE_STATION: 1305 case NL80211_IFTYPE_P2P_CLIENT: 1306 rc = WMI_KEY_USE_RX_GROUP; 1307 break; 1308 case NL80211_IFTYPE_AP: 1309 case NL80211_IFTYPE_P2P_GO: 1310 rc = WMI_KEY_USE_TX_GROUP; 1311 break; 1312 default: 1313 /* TODO: Rx GTK or Tx GTK? */ 1314 wil_err(wil, "Can't determine GTK type\n"); 1315 rc = WMI_KEY_USE_RX_GROUP; 1316 break; 1317 } 1318 } 1319 wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]); 1320 1321 return rc; 1322 } 1323 1324 static struct wil_sta_info * 1325 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid, 1326 enum wmi_key_usage key_usage, const u8 *mac_addr) 1327 { 1328 int cid = -EINVAL; 1329 1330 if (key_usage == WMI_KEY_USE_TX_GROUP) 1331 return NULL; /* not needed */ 1332 1333 /* supplicant provides Rx group key in STA mode with NULL MAC address */ 1334 if (mac_addr) 1335 cid = wil_find_cid(wil, mid, mac_addr); 1336 else if (key_usage == WMI_KEY_USE_RX_GROUP) 1337 cid = wil_find_cid_by_idx(wil, mid, 0); 1338 if (cid < 0) { 1339 wil_err(wil, "No CID for %pM %s\n", mac_addr, 1340 key_usage_str[key_usage]); 1341 return ERR_PTR(cid); 1342 } 1343 1344 return &wil->sta[cid]; 1345 } 1346 1347 void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, 1348 struct wil_sta_info *cs, 1349 struct key_params *params) 1350 { 1351 struct wil_tid_crypto_rx_single *cc; 1352 int tid; 1353 1354 if (!cs) 1355 return; 1356 1357 switch (key_usage) { 1358 case WMI_KEY_USE_PAIRWISE: 1359 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 1360 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 1361 if (params->seq) 1362 memcpy(cc->pn, params->seq, 1363 IEEE80211_GCMP_PN_LEN); 1364 else 1365 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 1366 cc->key_set = true; 1367 } 1368 break; 1369 case WMI_KEY_USE_RX_GROUP: 1370 cc = &cs->group_crypto_rx.key_id[key_index]; 1371 if (params->seq) 1372 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); 1373 else 1374 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 1375 cc->key_set = true; 1376 break; 1377 default: 1378 break; 1379 } 1380 } 1381 1382 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, 1383 struct wil_sta_info *cs) 1384 { 1385 struct wil_tid_crypto_rx_single *cc; 1386 int tid; 1387 1388 if (!cs) 1389 return; 1390 1391 switch (key_usage) { 1392 case WMI_KEY_USE_PAIRWISE: 1393 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 1394 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 1395 cc->key_set = false; 1396 } 1397 break; 1398 case WMI_KEY_USE_RX_GROUP: 1399 cc = &cs->group_crypto_rx.key_id[key_index]; 1400 cc->key_set = false; 1401 break; 1402 default: 1403 break; 1404 } 1405 } 1406 1407 static int wil_cfg80211_add_key(struct wiphy *wiphy, 1408 struct net_device *ndev, 1409 u8 key_index, bool pairwise, 1410 const u8 *mac_addr, 1411 struct key_params *params) 1412 { 1413 int rc; 1414 struct wil6210_vif *vif = ndev_to_vif(ndev); 1415 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1416 struct wireless_dev *wdev = vif_to_wdev(vif); 1417 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); 1418 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, 1419 key_usage, 1420 mac_addr); 1421 1422 if (!params) { 1423 wil_err(wil, "NULL params\n"); 1424 return -EINVAL; 1425 } 1426 1427 wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", 1428 mac_addr, key_usage_str[key_usage], key_index, 1429 params->seq_len, params->seq); 1430 1431 if (IS_ERR(cs)) { 1432 /* in FT, sta info may not be available as add_key may be 1433 * sent by host before FW sends WMI_CONNECT_EVENT 1434 */ 1435 if (!test_bit(wil_vif_ft_roam, vif->status)) { 1436 wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n", 1437 mac_addr, key_usage_str[key_usage], key_index, 1438 params->seq_len, params->seq); 1439 return -EINVAL; 1440 } 1441 } 1442 1443 if (!IS_ERR(cs)) 1444 wil_del_rx_key(key_index, key_usage, cs); 1445 1446 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { 1447 wil_err(wil, 1448 "Wrong PN len %d, %pM %s[%d] PN %*phN\n", 1449 params->seq_len, mac_addr, 1450 key_usage_str[key_usage], key_index, 1451 params->seq_len, params->seq); 1452 return -EINVAL; 1453 } 1454 1455 rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len, 1456 params->key, key_usage); 1457 if (!rc && !IS_ERR(cs)) { 1458 /* update local storage used for AP recovery */ 1459 if (key_usage == WMI_KEY_USE_TX_GROUP && params->key && 1460 params->key_len <= WMI_MAX_KEY_LEN) { 1461 vif->gtk_index = key_index; 1462 memcpy(vif->gtk, params->key, params->key_len); 1463 vif->gtk_len = params->key_len; 1464 } 1465 /* in FT set crypto will take place upon receiving 1466 * WMI_RING_EN_EVENTID event 1467 */ 1468 wil_set_crypto_rx(key_index, key_usage, cs, params); 1469 } 1470 1471 return rc; 1472 } 1473 1474 static int wil_cfg80211_del_key(struct wiphy *wiphy, 1475 struct net_device *ndev, 1476 u8 key_index, bool pairwise, 1477 const u8 *mac_addr) 1478 { 1479 struct wil6210_vif *vif = ndev_to_vif(ndev); 1480 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1481 struct wireless_dev *wdev = vif_to_wdev(vif); 1482 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); 1483 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, 1484 key_usage, 1485 mac_addr); 1486 1487 wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr, 1488 key_usage_str[key_usage], key_index); 1489 1490 if (IS_ERR(cs)) 1491 wil_info(wil, "Not connected, %pM %s[%d]\n", 1492 mac_addr, key_usage_str[key_usage], key_index); 1493 1494 if (!IS_ERR_OR_NULL(cs)) 1495 wil_del_rx_key(key_index, key_usage, cs); 1496 1497 return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage); 1498 } 1499 1500 /* Need to be present or wiphy_new() will WARN */ 1501 static int wil_cfg80211_set_default_key(struct wiphy *wiphy, 1502 struct net_device *ndev, 1503 u8 key_index, bool unicast, 1504 bool multicast) 1505 { 1506 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1507 1508 wil_dbg_misc(wil, "set_default_key: entered\n"); 1509 return 0; 1510 } 1511 1512 static int wil_remain_on_channel(struct wiphy *wiphy, 1513 struct wireless_dev *wdev, 1514 struct ieee80211_channel *chan, 1515 unsigned int duration, 1516 u64 *cookie) 1517 { 1518 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1519 int rc; 1520 1521 wil_dbg_misc(wil, 1522 "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n", 1523 chan->center_freq, duration, wdev->iftype); 1524 1525 rc = wil_p2p_listen(wil, wdev, duration, chan, cookie); 1526 return rc; 1527 } 1528 1529 static int wil_cancel_remain_on_channel(struct wiphy *wiphy, 1530 struct wireless_dev *wdev, 1531 u64 cookie) 1532 { 1533 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1534 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 1535 1536 wil_dbg_misc(wil, "cancel_remain_on_channel\n"); 1537 1538 return wil_p2p_cancel_listen(vif, cookie); 1539 } 1540 1541 /** 1542 * find a specific IE in a list of IEs 1543 * return a pointer to the beginning of IE in the list 1544 * or NULL if not found 1545 */ 1546 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, 1547 u16 ie_len) 1548 { 1549 struct ieee80211_vendor_ie *vie; 1550 u32 oui; 1551 1552 /* IE tag at offset 0, length at offset 1 */ 1553 if (ie_len < 2 || 2 + ie[1] > ie_len) 1554 return NULL; 1555 1556 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) 1557 return cfg80211_find_ie(ie[0], ies, ies_len); 1558 1559 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ 1560 if (ie[1] < 4) 1561 return NULL; 1562 vie = (struct ieee80211_vendor_ie *)ie; 1563 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; 1564 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, 1565 ies_len); 1566 } 1567 1568 /** 1569 * merge the IEs in two lists into a single list. 1570 * do not include IEs from the second list which exist in the first list. 1571 * add only vendor specific IEs from second list to keep 1572 * the merged list sorted (since vendor-specific IE has the 1573 * highest tag number) 1574 * caller must free the allocated memory for merged IEs 1575 */ 1576 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, 1577 const u8 *ies2, u16 ies2_len, 1578 u8 **merged_ies, u16 *merged_len) 1579 { 1580 u8 *buf, *dpos; 1581 const u8 *spos; 1582 1583 if (!ies1) 1584 ies1_len = 0; 1585 1586 if (!ies2) 1587 ies2_len = 0; 1588 1589 if (ies1_len == 0 && ies2_len == 0) { 1590 *merged_ies = NULL; 1591 *merged_len = 0; 1592 return 0; 1593 } 1594 1595 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); 1596 if (!buf) 1597 return -ENOMEM; 1598 if (ies1) 1599 memcpy(buf, ies1, ies1_len); 1600 dpos = buf + ies1_len; 1601 spos = ies2; 1602 while (spos && (spos + 1 < ies2 + ies2_len)) { 1603 /* IE tag at offset 0, length at offset 1 */ 1604 u16 ielen = 2 + spos[1]; 1605 1606 if (spos + ielen > ies2 + ies2_len) 1607 break; 1608 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && 1609 (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len, 1610 spos, ielen))) { 1611 memcpy(dpos, spos, ielen); 1612 dpos += ielen; 1613 } 1614 spos += ielen; 1615 } 1616 1617 *merged_ies = buf; 1618 *merged_len = dpos - buf; 1619 return 0; 1620 } 1621 1622 static void wil_print_bcon_data(struct cfg80211_beacon_data *b) 1623 { 1624 wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1, 1625 b->head, b->head_len, true); 1626 wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1, 1627 b->tail, b->tail_len, true); 1628 wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1, 1629 b->beacon_ies, b->beacon_ies_len, true); 1630 wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, 1631 b->probe_resp, b->probe_resp_len, true); 1632 wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1, 1633 b->proberesp_ies, b->proberesp_ies_len, true); 1634 wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1, 1635 b->assocresp_ies, b->assocresp_ies_len, true); 1636 } 1637 1638 /* internal functions for device reset and starting AP */ 1639 static u8 * 1640 _wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len, 1641 u16 *ies_len) 1642 { 1643 u8 *ies = NULL; 1644 1645 if (proberesp) { 1646 struct ieee80211_mgmt *f = 1647 (struct ieee80211_mgmt *)proberesp; 1648 size_t hlen = offsetof(struct ieee80211_mgmt, 1649 u.probe_resp.variable); 1650 1651 ies = f->u.probe_resp.variable; 1652 if (ies_len) 1653 *ies_len = proberesp_len - hlen; 1654 } 1655 1656 return ies; 1657 } 1658 1659 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif, 1660 struct cfg80211_beacon_data *bcon) 1661 { 1662 int rc; 1663 u16 len = 0, proberesp_len = 0; 1664 u8 *ies = NULL, *proberesp; 1665 1666 /* update local storage used for AP recovery */ 1667 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp, 1668 bcon->probe_resp_len); 1669 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, 1670 bcon->proberesp_ies, bcon->proberesp_ies_len); 1671 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, 1672 bcon->assocresp_ies, bcon->assocresp_ies_len); 1673 1674 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp, 1675 bcon->probe_resp_len, 1676 &proberesp_len); 1677 rc = _wil_cfg80211_merge_extra_ies(proberesp, 1678 proberesp_len, 1679 bcon->proberesp_ies, 1680 bcon->proberesp_ies_len, 1681 &ies, &len); 1682 1683 if (rc) 1684 goto out; 1685 1686 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies); 1687 if (rc) 1688 goto out; 1689 1690 if (bcon->assocresp_ies) 1691 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, 1692 bcon->assocresp_ies_len, bcon->assocresp_ies); 1693 else 1694 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies); 1695 #if 0 /* to use beacon IE's, remove this #if 0 */ 1696 if (rc) 1697 goto out; 1698 1699 rc = wmi_set_ie(vif, WMI_FRAME_BEACON, 1700 bcon->tail_len, bcon->tail); 1701 #endif 1702 out: 1703 kfree(ies); 1704 return rc; 1705 } 1706 1707 static int _wil_cfg80211_start_ap(struct wiphy *wiphy, 1708 struct net_device *ndev, 1709 const u8 *ssid, size_t ssid_len, u32 privacy, 1710 int bi, u8 chan, 1711 struct cfg80211_beacon_data *bcon, 1712 u8 hidden_ssid, u32 pbss) 1713 { 1714 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1715 struct wil6210_vif *vif = ndev_to_vif(ndev); 1716 int rc; 1717 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1718 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); 1719 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); 1720 u16 proberesp_len = 0; 1721 u8 *proberesp; 1722 bool ft = false; 1723 1724 if (pbss) 1725 wmi_nettype = WMI_NETTYPE_P2P; 1726 1727 wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go); 1728 if (is_go && !pbss) { 1729 wil_err(wil, "P2P GO must be in PBSS\n"); 1730 return -ENOTSUPP; 1731 } 1732 1733 wil_set_recovery_state(wil, fw_recovery_idle); 1734 1735 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp, 1736 bcon->probe_resp_len, 1737 &proberesp_len); 1738 /* check that the probe response IEs has a MDE */ 1739 if ((proberesp && proberesp_len > 0 && 1740 cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN, 1741 proberesp, 1742 proberesp_len))) 1743 ft = true; 1744 1745 if (ft) { 1746 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, 1747 wil->fw_capabilities)) { 1748 wil_err(wil, "FW does not support FT roaming\n"); 1749 return -ENOTSUPP; 1750 } 1751 set_bit(wil_vif_ft_roam, vif->status); 1752 } 1753 1754 mutex_lock(&wil->mutex); 1755 1756 if (!wil_has_other_active_ifaces(wil, ndev, true, false)) { 1757 __wil_down(wil); 1758 rc = __wil_up(wil); 1759 if (rc) 1760 goto out; 1761 } 1762 1763 rc = wmi_set_ssid(vif, ssid_len, ssid); 1764 if (rc) 1765 goto out; 1766 1767 rc = _wil_cfg80211_set_ies(vif, bcon); 1768 if (rc) 1769 goto out; 1770 1771 vif->privacy = privacy; 1772 vif->channel = chan; 1773 vif->hidden_ssid = hidden_ssid; 1774 vif->pbss = pbss; 1775 vif->bi = bi; 1776 memcpy(vif->ssid, ssid, ssid_len); 1777 vif->ssid_len = ssid_len; 1778 1779 netif_carrier_on(ndev); 1780 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 1781 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); 1782 1783 rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, hidden_ssid, is_go); 1784 if (rc) 1785 goto err_pcp_start; 1786 1787 rc = wil_bcast_init(vif); 1788 if (rc) 1789 goto err_bcast; 1790 1791 goto out; /* success */ 1792 1793 err_bcast: 1794 wmi_pcp_stop(vif); 1795 err_pcp_start: 1796 netif_carrier_off(ndev); 1797 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 1798 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1799 out: 1800 mutex_unlock(&wil->mutex); 1801 return rc; 1802 } 1803 1804 void wil_cfg80211_ap_recovery(struct wil6210_priv *wil) 1805 { 1806 int rc, i; 1807 struct wiphy *wiphy = wil_to_wiphy(wil); 1808 1809 for (i = 0; i < wil->max_vifs; i++) { 1810 struct wil6210_vif *vif = wil->vifs[i]; 1811 struct net_device *ndev; 1812 struct cfg80211_beacon_data bcon = {}; 1813 struct key_params key_params = {}; 1814 1815 if (!vif || vif->ssid_len == 0) 1816 continue; 1817 1818 ndev = vif_to_ndev(vif); 1819 bcon.proberesp_ies = vif->proberesp_ies; 1820 bcon.assocresp_ies = vif->assocresp_ies; 1821 bcon.probe_resp = vif->proberesp; 1822 bcon.proberesp_ies_len = vif->proberesp_ies_len; 1823 bcon.assocresp_ies_len = vif->assocresp_ies_len; 1824 bcon.probe_resp_len = vif->proberesp_len; 1825 1826 wil_info(wil, 1827 "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n", 1828 i, vif->privacy, vif->bi, vif->channel, 1829 vif->hidden_ssid, vif->pbss); 1830 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 1831 vif->ssid, vif->ssid_len, true); 1832 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1833 vif->ssid, vif->ssid_len, 1834 vif->privacy, vif->bi, 1835 vif->channel, &bcon, 1836 vif->hidden_ssid, vif->pbss); 1837 if (rc) { 1838 wil_err(wil, "vif %d recovery failed (%d)\n", i, rc); 1839 continue; 1840 } 1841 1842 if (!vif->privacy || vif->gtk_len == 0) 1843 continue; 1844 1845 key_params.key = vif->gtk; 1846 key_params.key_len = vif->gtk_len; 1847 key_params.seq_len = IEEE80211_GCMP_PN_LEN; 1848 rc = wil_cfg80211_add_key(wiphy, ndev, vif->gtk_index, false, 1849 NULL, &key_params); 1850 if (rc) 1851 wil_err(wil, "vif %d recovery add key failed (%d)\n", 1852 i, rc); 1853 } 1854 } 1855 1856 static int wil_cfg80211_change_beacon(struct wiphy *wiphy, 1857 struct net_device *ndev, 1858 struct cfg80211_beacon_data *bcon) 1859 { 1860 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1861 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1862 struct wil6210_vif *vif = ndev_to_vif(ndev); 1863 int rc; 1864 u32 privacy = 0; 1865 1866 wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid); 1867 wil_print_bcon_data(bcon); 1868 1869 if (bcon->tail && 1870 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, 1871 bcon->tail_len)) 1872 privacy = 1; 1873 1874 memcpy(vif->ssid, wdev->ssid, wdev->ssid_len); 1875 vif->ssid_len = wdev->ssid_len; 1876 1877 /* in case privacy has changed, need to restart the AP */ 1878 if (vif->privacy != privacy) { 1879 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", 1880 vif->privacy, privacy); 1881 1882 rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid, 1883 vif->ssid_len, privacy, 1884 wdev->beacon_interval, 1885 vif->channel, bcon, 1886 vif->hidden_ssid, 1887 vif->pbss); 1888 } else { 1889 rc = _wil_cfg80211_set_ies(vif, bcon); 1890 } 1891 1892 return rc; 1893 } 1894 1895 static int wil_cfg80211_start_ap(struct wiphy *wiphy, 1896 struct net_device *ndev, 1897 struct cfg80211_ap_settings *info) 1898 { 1899 int rc; 1900 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1901 struct ieee80211_channel *channel = info->chandef.chan; 1902 struct cfg80211_beacon_data *bcon = &info->beacon; 1903 struct cfg80211_crypto_settings *crypto = &info->crypto; 1904 u8 hidden_ssid; 1905 1906 wil_dbg_misc(wil, "start_ap\n"); 1907 1908 if (!channel) { 1909 wil_err(wil, "AP: No channel???\n"); 1910 return -EINVAL; 1911 } 1912 1913 switch (info->hidden_ssid) { 1914 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1915 hidden_ssid = WMI_HIDDEN_SSID_DISABLED; 1916 break; 1917 1918 case NL80211_HIDDEN_SSID_ZERO_LEN: 1919 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; 1920 break; 1921 1922 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1923 hidden_ssid = WMI_HIDDEN_SSID_CLEAR; 1924 break; 1925 1926 default: 1927 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); 1928 return -EOPNOTSUPP; 1929 } 1930 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, 1931 channel->center_freq, info->privacy ? "secure" : "open"); 1932 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", 1933 info->privacy, info->auth_type); 1934 wil_dbg_misc(wil, "Hidden SSID mode: %d\n", 1935 info->hidden_ssid); 1936 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, 1937 info->dtim_period); 1938 wil_dbg_misc(wil, "PBSS %d\n", info->pbss); 1939 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 1940 info->ssid, info->ssid_len, true); 1941 wil_print_bcon_data(bcon); 1942 wil_print_crypto(wil, crypto); 1943 1944 rc = _wil_cfg80211_start_ap(wiphy, ndev, 1945 info->ssid, info->ssid_len, info->privacy, 1946 info->beacon_interval, channel->hw_value, 1947 bcon, hidden_ssid, info->pbss); 1948 1949 return rc; 1950 } 1951 1952 static int wil_cfg80211_stop_ap(struct wiphy *wiphy, 1953 struct net_device *ndev) 1954 { 1955 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1956 struct wil6210_vif *vif = ndev_to_vif(ndev); 1957 bool last; 1958 1959 wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid); 1960 1961 netif_carrier_off(ndev); 1962 last = !wil_has_other_active_ifaces(wil, ndev, false, true); 1963 if (last) { 1964 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1965 wil_set_recovery_state(wil, fw_recovery_idle); 1966 set_bit(wil_status_resetting, wil->status); 1967 } 1968 1969 mutex_lock(&wil->mutex); 1970 1971 wmi_pcp_stop(vif); 1972 clear_bit(wil_vif_ft_roam, vif->status); 1973 vif->ssid_len = 0; 1974 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0); 1975 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0); 1976 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0); 1977 memset(vif->gtk, 0, WMI_MAX_KEY_LEN); 1978 vif->gtk_len = 0; 1979 1980 if (last) 1981 __wil_down(wil); 1982 else 1983 wil_bcast_fini(vif); 1984 1985 mutex_unlock(&wil->mutex); 1986 1987 return 0; 1988 } 1989 1990 static int wil_cfg80211_add_station(struct wiphy *wiphy, 1991 struct net_device *dev, 1992 const u8 *mac, 1993 struct station_parameters *params) 1994 { 1995 struct wil6210_vif *vif = ndev_to_vif(dev); 1996 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1997 1998 wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n", 1999 mac, params->aid, vif->mid, 2000 params->sta_flags_mask, params->sta_flags_set); 2001 2002 if (!disable_ap_sme) { 2003 wil_err(wil, "not supported with AP SME enabled\n"); 2004 return -EOPNOTSUPP; 2005 } 2006 2007 if (params->aid > WIL_MAX_DMG_AID) { 2008 wil_err(wil, "invalid aid\n"); 2009 return -EINVAL; 2010 } 2011 2012 return wmi_new_sta(vif, mac, params->aid); 2013 } 2014 2015 static int wil_cfg80211_del_station(struct wiphy *wiphy, 2016 struct net_device *dev, 2017 struct station_del_parameters *params) 2018 { 2019 struct wil6210_vif *vif = ndev_to_vif(dev); 2020 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2021 2022 wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n", 2023 params->mac, params->reason_code, vif->mid); 2024 2025 mutex_lock(&wil->mutex); 2026 wil6210_disconnect(vif, params->mac, params->reason_code); 2027 mutex_unlock(&wil->mutex); 2028 2029 return 0; 2030 } 2031 2032 static int wil_cfg80211_change_station(struct wiphy *wiphy, 2033 struct net_device *dev, 2034 const u8 *mac, 2035 struct station_parameters *params) 2036 { 2037 struct wil6210_vif *vif = ndev_to_vif(dev); 2038 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2039 int authorize; 2040 int cid, i; 2041 struct wil_ring_tx_data *txdata = NULL; 2042 2043 wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n", 2044 mac, params->sta_flags_mask, params->sta_flags_set, 2045 vif->mid); 2046 2047 if (!disable_ap_sme) { 2048 wil_dbg_misc(wil, "not supported with AP SME enabled\n"); 2049 return -EOPNOTSUPP; 2050 } 2051 2052 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 2053 return 0; 2054 2055 cid = wil_find_cid(wil, vif->mid, mac); 2056 if (cid < 0) { 2057 wil_err(wil, "station not found\n"); 2058 return -ENOLINK; 2059 } 2060 2061 for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) 2062 if (wil->ring2cid_tid[i][0] == cid) { 2063 txdata = &wil->ring_tx_data[i]; 2064 break; 2065 } 2066 2067 if (!txdata) { 2068 wil_err(wil, "ring data not found\n"); 2069 return -ENOLINK; 2070 } 2071 2072 authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); 2073 txdata->dot1x_open = authorize ? 1 : 0; 2074 wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i, 2075 txdata->dot1x_open); 2076 2077 return 0; 2078 } 2079 2080 /* probe_client handling */ 2081 static void wil_probe_client_handle(struct wil6210_priv *wil, 2082 struct wil6210_vif *vif, 2083 struct wil_probe_client_req *req) 2084 { 2085 struct net_device *ndev = vif_to_ndev(vif); 2086 struct wil_sta_info *sta = &wil->sta[req->cid]; 2087 /* assume STA is alive if it is still connected, 2088 * else FW will disconnect it 2089 */ 2090 bool alive = (sta->status == wil_sta_connected); 2091 2092 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, 2093 0, false, GFP_KERNEL); 2094 } 2095 2096 static struct list_head *next_probe_client(struct wil6210_vif *vif) 2097 { 2098 struct list_head *ret = NULL; 2099 2100 mutex_lock(&vif->probe_client_mutex); 2101 2102 if (!list_empty(&vif->probe_client_pending)) { 2103 ret = vif->probe_client_pending.next; 2104 list_del(ret); 2105 } 2106 2107 mutex_unlock(&vif->probe_client_mutex); 2108 2109 return ret; 2110 } 2111 2112 void wil_probe_client_worker(struct work_struct *work) 2113 { 2114 struct wil6210_vif *vif = container_of(work, struct wil6210_vif, 2115 probe_client_worker); 2116 struct wil6210_priv *wil = vif_to_wil(vif); 2117 struct wil_probe_client_req *req; 2118 struct list_head *lh; 2119 2120 while ((lh = next_probe_client(vif)) != NULL) { 2121 req = list_entry(lh, struct wil_probe_client_req, list); 2122 2123 wil_probe_client_handle(wil, vif, req); 2124 kfree(req); 2125 } 2126 } 2127 2128 void wil_probe_client_flush(struct wil6210_vif *vif) 2129 { 2130 struct wil_probe_client_req *req, *t; 2131 struct wil6210_priv *wil = vif_to_wil(vif); 2132 2133 wil_dbg_misc(wil, "probe_client_flush\n"); 2134 2135 mutex_lock(&vif->probe_client_mutex); 2136 2137 list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) { 2138 list_del(&req->list); 2139 kfree(req); 2140 } 2141 2142 mutex_unlock(&vif->probe_client_mutex); 2143 } 2144 2145 static int wil_cfg80211_probe_client(struct wiphy *wiphy, 2146 struct net_device *dev, 2147 const u8 *peer, u64 *cookie) 2148 { 2149 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2150 struct wil6210_vif *vif = ndev_to_vif(dev); 2151 struct wil_probe_client_req *req; 2152 int cid = wil_find_cid(wil, vif->mid, peer); 2153 2154 wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n", 2155 peer, cid, vif->mid); 2156 2157 if (cid < 0) 2158 return -ENOLINK; 2159 2160 req = kzalloc(sizeof(*req), GFP_KERNEL); 2161 if (!req) 2162 return -ENOMEM; 2163 2164 req->cid = cid; 2165 req->cookie = cid; 2166 2167 mutex_lock(&vif->probe_client_mutex); 2168 list_add_tail(&req->list, &vif->probe_client_pending); 2169 mutex_unlock(&vif->probe_client_mutex); 2170 2171 *cookie = req->cookie; 2172 queue_work(wil->wq_service, &vif->probe_client_worker); 2173 return 0; 2174 } 2175 2176 static int wil_cfg80211_change_bss(struct wiphy *wiphy, 2177 struct net_device *dev, 2178 struct bss_parameters *params) 2179 { 2180 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2181 struct wil6210_vif *vif = ndev_to_vif(dev); 2182 2183 if (params->ap_isolate >= 0) { 2184 wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n", 2185 vif->mid, vif->ap_isolate, params->ap_isolate); 2186 vif->ap_isolate = params->ap_isolate; 2187 } 2188 2189 return 0; 2190 } 2191 2192 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy, 2193 struct net_device *dev, 2194 bool enabled, int timeout) 2195 { 2196 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2197 enum wmi_ps_profile_type ps_profile; 2198 2199 wil_dbg_misc(wil, "enabled=%d, timeout=%d\n", 2200 enabled, timeout); 2201 2202 if (enabled) 2203 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; 2204 else 2205 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED; 2206 2207 return wil_ps_update(wil, ps_profile); 2208 } 2209 2210 static int wil_cfg80211_suspend(struct wiphy *wiphy, 2211 struct cfg80211_wowlan *wow) 2212 { 2213 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2214 int rc; 2215 2216 /* Setting the wakeup trigger based on wow is TBD */ 2217 2218 if (test_bit(wil_status_suspended, wil->status)) { 2219 wil_dbg_pm(wil, "trying to suspend while suspended\n"); 2220 return 0; 2221 } 2222 2223 rc = wil_can_suspend(wil, false); 2224 if (rc) 2225 goto out; 2226 2227 wil_dbg_pm(wil, "suspending\n"); 2228 2229 mutex_lock(&wil->mutex); 2230 mutex_lock(&wil->vif_mutex); 2231 wil_p2p_stop_radio_operations(wil); 2232 wil_abort_scan_all_vifs(wil, true); 2233 mutex_unlock(&wil->vif_mutex); 2234 mutex_unlock(&wil->mutex); 2235 2236 out: 2237 return rc; 2238 } 2239 2240 static int wil_cfg80211_resume(struct wiphy *wiphy) 2241 { 2242 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2243 2244 wil_dbg_pm(wil, "resuming\n"); 2245 2246 return 0; 2247 } 2248 2249 static int 2250 wil_cfg80211_sched_scan_start(struct wiphy *wiphy, 2251 struct net_device *dev, 2252 struct cfg80211_sched_scan_request *request) 2253 { 2254 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2255 struct wil6210_vif *vif = ndev_to_vif(dev); 2256 int i, rc; 2257 2258 if (vif->mid != 0) 2259 return -EOPNOTSUPP; 2260 2261 wil_dbg_misc(wil, 2262 "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n", 2263 request->n_ssids, request->ie_len, request->flags); 2264 for (i = 0; i < request->n_ssids; i++) { 2265 wil_dbg_misc(wil, "SSID[%d]:", i); 2266 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2267 request->ssids[i].ssid, 2268 request->ssids[i].ssid_len, true); 2269 } 2270 wil_dbg_misc(wil, "channels:"); 2271 for (i = 0; i < request->n_channels; i++) 2272 wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value, 2273 i == request->n_channels - 1 ? "\n" : ""); 2274 wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n", 2275 request->n_match_sets, request->min_rssi_thold, 2276 request->delay); 2277 for (i = 0; i < request->n_match_sets; i++) { 2278 struct cfg80211_match_set *ms = &request->match_sets[i]; 2279 2280 wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n", 2281 i, ms->rssi_thold); 2282 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2283 ms->ssid.ssid, 2284 ms->ssid.ssid_len, true); 2285 } 2286 wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans); 2287 for (i = 0; i < request->n_scan_plans; i++) { 2288 struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i]; 2289 2290 wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n", 2291 i, sp->interval, sp->iterations); 2292 } 2293 2294 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ, 2295 request->ie_len, request->ie); 2296 if (rc) 2297 return rc; 2298 return wmi_start_sched_scan(wil, request); 2299 } 2300 2301 static int 2302 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 2303 u64 reqid) 2304 { 2305 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2306 struct wil6210_vif *vif = ndev_to_vif(dev); 2307 int rc; 2308 2309 if (vif->mid != 0) 2310 return -EOPNOTSUPP; 2311 2312 rc = wmi_stop_sched_scan(wil); 2313 /* device would return error if it thinks PNO is already stopped. 2314 * ignore the return code so user space and driver gets back in-sync 2315 */ 2316 wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc); 2317 2318 return 0; 2319 } 2320 2321 static int 2322 wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev, 2323 struct cfg80211_update_ft_ies_params *ftie) 2324 { 2325 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2326 struct wil6210_vif *vif = ndev_to_vif(dev); 2327 struct cfg80211_bss *bss; 2328 struct wmi_ft_reassoc_cmd reassoc; 2329 int rc = 0; 2330 2331 wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid); 2332 wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1, 2333 ftie->ie, ftie->ie_len, true); 2334 2335 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) { 2336 wil_err(wil, "FW does not support FT roaming\n"); 2337 return -EOPNOTSUPP; 2338 } 2339 2340 rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie); 2341 if (rc) 2342 return rc; 2343 2344 if (!test_bit(wil_vif_ft_roam, vif->status)) 2345 /* vif is not roaming */ 2346 return 0; 2347 2348 /* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as 2349 * a trigger for reassoc 2350 */ 2351 2352 bss = vif->bss; 2353 if (!bss) { 2354 wil_err(wil, "FT: bss is NULL\n"); 2355 return -EINVAL; 2356 } 2357 2358 memset(&reassoc, 0, sizeof(reassoc)); 2359 ether_addr_copy(reassoc.bssid, bss->bssid); 2360 2361 rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid, 2362 &reassoc, sizeof(reassoc)); 2363 if (rc) 2364 wil_err(wil, "FT: reassoc failed (%d)\n", rc); 2365 2366 return rc; 2367 } 2368 2369 static const struct cfg80211_ops wil_cfg80211_ops = { 2370 .add_virtual_intf = wil_cfg80211_add_iface, 2371 .del_virtual_intf = wil_cfg80211_del_iface, 2372 .scan = wil_cfg80211_scan, 2373 .abort_scan = wil_cfg80211_abort_scan, 2374 .connect = wil_cfg80211_connect, 2375 .disconnect = wil_cfg80211_disconnect, 2376 .set_wiphy_params = wil_cfg80211_set_wiphy_params, 2377 .change_virtual_intf = wil_cfg80211_change_iface, 2378 .get_station = wil_cfg80211_get_station, 2379 .dump_station = wil_cfg80211_dump_station, 2380 .remain_on_channel = wil_remain_on_channel, 2381 .cancel_remain_on_channel = wil_cancel_remain_on_channel, 2382 .mgmt_tx = wil_cfg80211_mgmt_tx, 2383 .set_monitor_channel = wil_cfg80211_set_channel, 2384 .add_key = wil_cfg80211_add_key, 2385 .del_key = wil_cfg80211_del_key, 2386 .set_default_key = wil_cfg80211_set_default_key, 2387 /* AP mode */ 2388 .change_beacon = wil_cfg80211_change_beacon, 2389 .start_ap = wil_cfg80211_start_ap, 2390 .stop_ap = wil_cfg80211_stop_ap, 2391 .add_station = wil_cfg80211_add_station, 2392 .del_station = wil_cfg80211_del_station, 2393 .change_station = wil_cfg80211_change_station, 2394 .probe_client = wil_cfg80211_probe_client, 2395 .change_bss = wil_cfg80211_change_bss, 2396 /* P2P device */ 2397 .start_p2p_device = wil_cfg80211_start_p2p_device, 2398 .stop_p2p_device = wil_cfg80211_stop_p2p_device, 2399 .set_power_mgmt = wil_cfg80211_set_power_mgmt, 2400 .suspend = wil_cfg80211_suspend, 2401 .resume = wil_cfg80211_resume, 2402 .sched_scan_start = wil_cfg80211_sched_scan_start, 2403 .sched_scan_stop = wil_cfg80211_sched_scan_stop, 2404 .update_ft_ies = wil_cfg80211_update_ft_ies, 2405 }; 2406 2407 static void wil_wiphy_init(struct wiphy *wiphy) 2408 { 2409 wiphy->max_scan_ssids = 1; 2410 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 2411 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; 2412 wiphy->max_num_pmkids = 0 /* TODO: */; 2413 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 2414 BIT(NL80211_IFTYPE_AP) | 2415 BIT(NL80211_IFTYPE_P2P_CLIENT) | 2416 BIT(NL80211_IFTYPE_P2P_GO) | 2417 BIT(NL80211_IFTYPE_P2P_DEVICE) | 2418 BIT(NL80211_IFTYPE_MONITOR); 2419 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 2420 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 2421 WIPHY_FLAG_PS_ON_BY_DEFAULT; 2422 if (!disable_ap_sme) 2423 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; 2424 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", 2425 __func__, wiphy->flags); 2426 wiphy->probe_resp_offload = 2427 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 2428 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 2429 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 2430 2431 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; 2432 2433 /* may change after reading FW capabilities */ 2434 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 2435 2436 wiphy->cipher_suites = wil_cipher_suites; 2437 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); 2438 wiphy->mgmt_stypes = wil_mgmt_stypes; 2439 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 2440 2441 wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands); 2442 wiphy->vendor_commands = wil_nl80211_vendor_commands; 2443 2444 #ifdef CONFIG_PM 2445 wiphy->wowlan = &wil_wowlan_support; 2446 #endif 2447 } 2448 2449 int wil_cfg80211_iface_combinations_from_fw( 2450 struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc) 2451 { 2452 struct wiphy *wiphy = wil_to_wiphy(wil); 2453 u32 total_limits = 0; 2454 u16 n_combos; 2455 const struct wil_fw_concurrency_combo *combo; 2456 const struct wil_fw_concurrency_limit *limit; 2457 struct ieee80211_iface_combination *iface_combinations; 2458 struct ieee80211_iface_limit *iface_limit; 2459 int i, j; 2460 2461 if (wiphy->iface_combinations) { 2462 wil_dbg_misc(wil, "iface_combinations already set, skipping\n"); 2463 return 0; 2464 } 2465 2466 combo = conc->combos; 2467 n_combos = le16_to_cpu(conc->n_combos); 2468 for (i = 0; i < n_combos; i++) { 2469 total_limits += combo->n_limits; 2470 limit = combo->limits + combo->n_limits; 2471 combo = (struct wil_fw_concurrency_combo *)limit; 2472 } 2473 2474 iface_combinations = 2475 kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) + 2476 total_limits * sizeof(struct ieee80211_iface_limit), 2477 GFP_KERNEL); 2478 if (!iface_combinations) 2479 return -ENOMEM; 2480 iface_limit = (struct ieee80211_iface_limit *)(iface_combinations + 2481 n_combos); 2482 combo = conc->combos; 2483 for (i = 0; i < n_combos; i++) { 2484 iface_combinations[i].max_interfaces = combo->max_interfaces; 2485 iface_combinations[i].num_different_channels = 2486 combo->n_diff_channels; 2487 iface_combinations[i].beacon_int_infra_match = 2488 combo->same_bi; 2489 iface_combinations[i].n_limits = combo->n_limits; 2490 wil_dbg_misc(wil, 2491 "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n", 2492 i, iface_combinations[i].max_interfaces, 2493 iface_combinations[i].num_different_channels, 2494 iface_combinations[i].beacon_int_infra_match); 2495 limit = combo->limits; 2496 for (j = 0; j < combo->n_limits; j++) { 2497 iface_limit[j].max = le16_to_cpu(limit[j].max); 2498 iface_limit[j].types = le16_to_cpu(limit[j].types); 2499 wil_dbg_misc(wil, 2500 "limit %d: max %d types 0x%x\n", j, 2501 iface_limit[j].max, iface_limit[j].types); 2502 } 2503 iface_combinations[i].limits = iface_limit; 2504 iface_limit += combo->n_limits; 2505 limit += combo->n_limits; 2506 combo = (struct wil_fw_concurrency_combo *)limit; 2507 } 2508 2509 wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids); 2510 wil->max_vifs = conc->n_mids + 1; /* including main interface */ 2511 if (wil->max_vifs > WIL_MAX_VIFS) { 2512 wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n", 2513 WIL_MAX_VIFS, wil->max_vifs); 2514 wil->max_vifs = WIL_MAX_VIFS; 2515 } 2516 wiphy->n_iface_combinations = n_combos; 2517 wiphy->iface_combinations = iface_combinations; 2518 return 0; 2519 } 2520 2521 struct wil6210_priv *wil_cfg80211_init(struct device *dev) 2522 { 2523 struct wiphy *wiphy; 2524 struct wil6210_priv *wil; 2525 struct ieee80211_channel *ch; 2526 2527 dev_dbg(dev, "%s()\n", __func__); 2528 2529 /* Note: the wireless_dev structure is no longer allocated here. 2530 * Instead, it is allocated as part of the net_device structure 2531 * for main interface and each VIF. 2532 */ 2533 wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv)); 2534 if (!wiphy) 2535 return ERR_PTR(-ENOMEM); 2536 2537 set_wiphy_dev(wiphy, dev); 2538 wil_wiphy_init(wiphy); 2539 2540 wil = wiphy_to_wil(wiphy); 2541 wil->wiphy = wiphy; 2542 2543 /* default monitor channel */ 2544 ch = wiphy->bands[NL80211_BAND_60GHZ]->channels; 2545 cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT); 2546 2547 return wil; 2548 } 2549 2550 void wil_cfg80211_deinit(struct wil6210_priv *wil) 2551 { 2552 struct wiphy *wiphy = wil_to_wiphy(wil); 2553 2554 dev_dbg(wil_to_dev(wil), "%s()\n", __func__); 2555 2556 if (!wiphy) 2557 return; 2558 2559 kfree(wiphy->iface_combinations); 2560 wiphy->iface_combinations = NULL; 2561 2562 wiphy_free(wiphy); 2563 /* do not access wil6210_priv after returning from here */ 2564 } 2565 2566 void wil_p2p_wdev_free(struct wil6210_priv *wil) 2567 { 2568 struct wireless_dev *p2p_wdev; 2569 2570 mutex_lock(&wil->vif_mutex); 2571 p2p_wdev = wil->p2p_wdev; 2572 wil->p2p_wdev = NULL; 2573 wil->radio_wdev = wil->main_ndev->ieee80211_ptr; 2574 mutex_unlock(&wil->vif_mutex); 2575 if (p2p_wdev) { 2576 cfg80211_unregister_wdev(p2p_wdev); 2577 kfree(p2p_wdev); 2578 } 2579 } 2580 2581 static int wil_rf_sector_status_to_rc(u8 status) 2582 { 2583 switch (status) { 2584 case WMI_RF_SECTOR_STATUS_SUCCESS: 2585 return 0; 2586 case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR: 2587 return -EINVAL; 2588 case WMI_RF_SECTOR_STATUS_BUSY_ERROR: 2589 return -EAGAIN; 2590 case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR: 2591 return -EOPNOTSUPP; 2592 default: 2593 return -EINVAL; 2594 } 2595 } 2596 2597 static int wil_rf_sector_get_cfg(struct wiphy *wiphy, 2598 struct wireless_dev *wdev, 2599 const void *data, int data_len) 2600 { 2601 struct wil6210_priv *wil = wdev_to_wil(wdev); 2602 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2603 int rc; 2604 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2605 u16 sector_index; 2606 u8 sector_type; 2607 u32 rf_modules_vec; 2608 struct wmi_get_rf_sector_params_cmd cmd; 2609 struct { 2610 struct wmi_cmd_hdr wmi; 2611 struct wmi_get_rf_sector_params_done_event evt; 2612 } __packed reply = { 2613 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2614 }; 2615 struct sk_buff *msg; 2616 struct nlattr *nl_cfgs, *nl_cfg; 2617 u32 i; 2618 struct wmi_rf_sector_info *si; 2619 2620 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2621 return -EOPNOTSUPP; 2622 2623 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len, 2624 wil_rf_sector_policy, NULL); 2625 if (rc) { 2626 wil_err(wil, "Invalid rf sector ATTR\n"); 2627 return rc; 2628 } 2629 2630 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2631 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || 2632 !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) { 2633 wil_err(wil, "Invalid rf sector spec\n"); 2634 return -EINVAL; 2635 } 2636 2637 sector_index = nla_get_u16( 2638 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2639 if (sector_index >= WIL_MAX_RF_SECTORS) { 2640 wil_err(wil, "Invalid sector index %d\n", sector_index); 2641 return -EINVAL; 2642 } 2643 2644 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2645 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2646 wil_err(wil, "Invalid sector type %d\n", sector_type); 2647 return -EINVAL; 2648 } 2649 2650 rf_modules_vec = nla_get_u32( 2651 tb[QCA_ATTR_DMG_RF_MODULE_MASK]); 2652 if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) { 2653 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec); 2654 return -EINVAL; 2655 } 2656 2657 cmd.sector_idx = cpu_to_le16(sector_index); 2658 cmd.sector_type = sector_type; 2659 cmd.rf_modules_vec = rf_modules_vec & 0xFF; 2660 rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid, 2661 &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID, 2662 &reply, sizeof(reply), 2663 500); 2664 if (rc) 2665 return rc; 2666 if (reply.evt.status) { 2667 wil_err(wil, "get rf sector cfg failed with status %d\n", 2668 reply.evt.status); 2669 return wil_rf_sector_status_to_rc(reply.evt.status); 2670 } 2671 2672 msg = cfg80211_vendor_cmd_alloc_reply_skb( 2673 wiphy, 64 * WMI_MAX_RF_MODULES_NUM); 2674 if (!msg) 2675 return -ENOMEM; 2676 2677 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF, 2678 le64_to_cpu(reply.evt.tsf), 2679 QCA_ATTR_PAD)) 2680 goto nla_put_failure; 2681 2682 nl_cfgs = nla_nest_start(msg, QCA_ATTR_DMG_RF_SECTOR_CFG); 2683 if (!nl_cfgs) 2684 goto nla_put_failure; 2685 for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) { 2686 if (!(rf_modules_vec & BIT(i))) 2687 continue; 2688 nl_cfg = nla_nest_start(msg, i); 2689 if (!nl_cfg) 2690 goto nla_put_failure; 2691 si = &reply.evt.sectors_info[i]; 2692 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX, 2693 i) || 2694 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0, 2695 le32_to_cpu(si->etype0)) || 2696 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1, 2697 le32_to_cpu(si->etype1)) || 2698 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2, 2699 le32_to_cpu(si->etype2)) || 2700 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI, 2701 le32_to_cpu(si->psh_hi)) || 2702 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO, 2703 le32_to_cpu(si->psh_lo)) || 2704 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16, 2705 le32_to_cpu(si->dtype_swch_off))) 2706 goto nla_put_failure; 2707 nla_nest_end(msg, nl_cfg); 2708 } 2709 2710 nla_nest_end(msg, nl_cfgs); 2711 rc = cfg80211_vendor_cmd_reply(msg); 2712 return rc; 2713 nla_put_failure: 2714 kfree_skb(msg); 2715 return -ENOBUFS; 2716 } 2717 2718 static int wil_rf_sector_set_cfg(struct wiphy *wiphy, 2719 struct wireless_dev *wdev, 2720 const void *data, int data_len) 2721 { 2722 struct wil6210_priv *wil = wdev_to_wil(wdev); 2723 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2724 int rc, tmp; 2725 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2726 struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1]; 2727 u16 sector_index, rf_module_index; 2728 u8 sector_type; 2729 u32 rf_modules_vec = 0; 2730 struct wmi_set_rf_sector_params_cmd cmd; 2731 struct { 2732 struct wmi_cmd_hdr wmi; 2733 struct wmi_set_rf_sector_params_done_event evt; 2734 } __packed reply = { 2735 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2736 }; 2737 struct nlattr *nl_cfg; 2738 struct wmi_rf_sector_info *si; 2739 2740 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2741 return -EOPNOTSUPP; 2742 2743 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len, 2744 wil_rf_sector_policy, NULL); 2745 if (rc) { 2746 wil_err(wil, "Invalid rf sector ATTR\n"); 2747 return rc; 2748 } 2749 2750 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2751 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || 2752 !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) { 2753 wil_err(wil, "Invalid rf sector spec\n"); 2754 return -EINVAL; 2755 } 2756 2757 sector_index = nla_get_u16( 2758 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2759 if (sector_index >= WIL_MAX_RF_SECTORS) { 2760 wil_err(wil, "Invalid sector index %d\n", sector_index); 2761 return -EINVAL; 2762 } 2763 2764 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2765 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2766 wil_err(wil, "Invalid sector type %d\n", sector_type); 2767 return -EINVAL; 2768 } 2769 2770 memset(&cmd, 0, sizeof(cmd)); 2771 2772 cmd.sector_idx = cpu_to_le16(sector_index); 2773 cmd.sector_type = sector_type; 2774 nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG], 2775 tmp) { 2776 rc = nla_parse_nested(tb2, QCA_ATTR_DMG_RF_SECTOR_CFG_MAX, 2777 nl_cfg, wil_rf_sector_cfg_policy, 2778 NULL); 2779 if (rc) { 2780 wil_err(wil, "invalid sector cfg\n"); 2781 return -EINVAL; 2782 } 2783 2784 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] || 2785 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] || 2786 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] || 2787 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] || 2788 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] || 2789 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] || 2790 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) { 2791 wil_err(wil, "missing cfg params\n"); 2792 return -EINVAL; 2793 } 2794 2795 rf_module_index = nla_get_u8( 2796 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]); 2797 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) { 2798 wil_err(wil, "invalid RF module index %d\n", 2799 rf_module_index); 2800 return -EINVAL; 2801 } 2802 rf_modules_vec |= BIT(rf_module_index); 2803 si = &cmd.sectors_info[rf_module_index]; 2804 si->etype0 = cpu_to_le32(nla_get_u32( 2805 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0])); 2806 si->etype1 = cpu_to_le32(nla_get_u32( 2807 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1])); 2808 si->etype2 = cpu_to_le32(nla_get_u32( 2809 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2])); 2810 si->psh_hi = cpu_to_le32(nla_get_u32( 2811 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI])); 2812 si->psh_lo = cpu_to_le32(nla_get_u32( 2813 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO])); 2814 si->dtype_swch_off = cpu_to_le32(nla_get_u32( 2815 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16])); 2816 } 2817 2818 cmd.rf_modules_vec = rf_modules_vec & 0xFF; 2819 rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid, 2820 &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID, 2821 &reply, sizeof(reply), 2822 500); 2823 if (rc) 2824 return rc; 2825 return wil_rf_sector_status_to_rc(reply.evt.status); 2826 } 2827 2828 static int wil_rf_sector_get_selected(struct wiphy *wiphy, 2829 struct wireless_dev *wdev, 2830 const void *data, int data_len) 2831 { 2832 struct wil6210_priv *wil = wdev_to_wil(wdev); 2833 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2834 int rc; 2835 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2836 u8 sector_type, mac_addr[ETH_ALEN]; 2837 int cid = 0; 2838 struct wmi_get_selected_rf_sector_index_cmd cmd; 2839 struct { 2840 struct wmi_cmd_hdr wmi; 2841 struct wmi_get_selected_rf_sector_index_done_event evt; 2842 } __packed reply = { 2843 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2844 }; 2845 struct sk_buff *msg; 2846 2847 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2848 return -EOPNOTSUPP; 2849 2850 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len, 2851 wil_rf_sector_policy, NULL); 2852 if (rc) { 2853 wil_err(wil, "Invalid rf sector ATTR\n"); 2854 return rc; 2855 } 2856 2857 if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { 2858 wil_err(wil, "Invalid rf sector spec\n"); 2859 return -EINVAL; 2860 } 2861 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2862 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2863 wil_err(wil, "Invalid sector type %d\n", sector_type); 2864 return -EINVAL; 2865 } 2866 2867 if (tb[QCA_ATTR_MAC_ADDR]) { 2868 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); 2869 cid = wil_find_cid(wil, vif->mid, mac_addr); 2870 if (cid < 0) { 2871 wil_err(wil, "invalid MAC address %pM\n", mac_addr); 2872 return -ENOENT; 2873 } 2874 } else { 2875 if (test_bit(wil_vif_fwconnected, vif->status)) { 2876 wil_err(wil, "must specify MAC address when connected\n"); 2877 return -EINVAL; 2878 } 2879 } 2880 2881 memset(&cmd, 0, sizeof(cmd)); 2882 cmd.cid = (u8)cid; 2883 cmd.sector_type = sector_type; 2884 rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid, 2885 &cmd, sizeof(cmd), 2886 WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, 2887 &reply, sizeof(reply), 2888 500); 2889 if (rc) 2890 return rc; 2891 if (reply.evt.status) { 2892 wil_err(wil, "get rf selected sector cfg failed with status %d\n", 2893 reply.evt.status); 2894 return wil_rf_sector_status_to_rc(reply.evt.status); 2895 } 2896 2897 msg = cfg80211_vendor_cmd_alloc_reply_skb( 2898 wiphy, 64 * WMI_MAX_RF_MODULES_NUM); 2899 if (!msg) 2900 return -ENOMEM; 2901 2902 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF, 2903 le64_to_cpu(reply.evt.tsf), 2904 QCA_ATTR_PAD) || 2905 nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX, 2906 le16_to_cpu(reply.evt.sector_idx))) 2907 goto nla_put_failure; 2908 2909 rc = cfg80211_vendor_cmd_reply(msg); 2910 return rc; 2911 nla_put_failure: 2912 kfree_skb(msg); 2913 return -ENOBUFS; 2914 } 2915 2916 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil, 2917 u8 mid, u16 sector_index, 2918 u8 sector_type, u8 cid) 2919 { 2920 struct wmi_set_selected_rf_sector_index_cmd cmd; 2921 struct { 2922 struct wmi_cmd_hdr wmi; 2923 struct wmi_set_selected_rf_sector_index_done_event evt; 2924 } __packed reply = { 2925 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2926 }; 2927 int rc; 2928 2929 memset(&cmd, 0, sizeof(cmd)); 2930 cmd.sector_idx = cpu_to_le16(sector_index); 2931 cmd.sector_type = sector_type; 2932 cmd.cid = (u8)cid; 2933 rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid, 2934 &cmd, sizeof(cmd), 2935 WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, 2936 &reply, sizeof(reply), 2937 500); 2938 if (rc) 2939 return rc; 2940 return wil_rf_sector_status_to_rc(reply.evt.status); 2941 } 2942 2943 static int wil_rf_sector_set_selected(struct wiphy *wiphy, 2944 struct wireless_dev *wdev, 2945 const void *data, int data_len) 2946 { 2947 struct wil6210_priv *wil = wdev_to_wil(wdev); 2948 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2949 int rc; 2950 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2951 u16 sector_index; 2952 u8 sector_type, mac_addr[ETH_ALEN], i; 2953 int cid = 0; 2954 2955 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2956 return -EOPNOTSUPP; 2957 2958 rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len, 2959 wil_rf_sector_policy, NULL); 2960 if (rc) { 2961 wil_err(wil, "Invalid rf sector ATTR\n"); 2962 return rc; 2963 } 2964 2965 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2966 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { 2967 wil_err(wil, "Invalid rf sector spec\n"); 2968 return -EINVAL; 2969 } 2970 2971 sector_index = nla_get_u16( 2972 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2973 if (sector_index >= WIL_MAX_RF_SECTORS && 2974 sector_index != WMI_INVALID_RF_SECTOR_INDEX) { 2975 wil_err(wil, "Invalid sector index %d\n", sector_index); 2976 return -EINVAL; 2977 } 2978 2979 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2980 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2981 wil_err(wil, "Invalid sector type %d\n", sector_type); 2982 return -EINVAL; 2983 } 2984 2985 if (tb[QCA_ATTR_MAC_ADDR]) { 2986 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); 2987 if (!is_broadcast_ether_addr(mac_addr)) { 2988 cid = wil_find_cid(wil, vif->mid, mac_addr); 2989 if (cid < 0) { 2990 wil_err(wil, "invalid MAC address %pM\n", 2991 mac_addr); 2992 return -ENOENT; 2993 } 2994 } else { 2995 if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) { 2996 wil_err(wil, "broadcast MAC valid only with unlocking\n"); 2997 return -EINVAL; 2998 } 2999 cid = -1; 3000 } 3001 } else { 3002 if (test_bit(wil_vif_fwconnected, vif->status)) { 3003 wil_err(wil, "must specify MAC address when connected\n"); 3004 return -EINVAL; 3005 } 3006 /* otherwise, using cid=0 for unassociated station */ 3007 } 3008 3009 if (cid >= 0) { 3010 rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index, 3011 sector_type, cid); 3012 } else { 3013 /* unlock all cids */ 3014 rc = wil_rf_sector_wmi_set_selected( 3015 wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX, 3016 sector_type, WIL_CID_ALL); 3017 if (rc == -EINVAL) { 3018 for (i = 0; i < max_assoc_sta; i++) { 3019 if (wil->sta[i].mid != vif->mid) 3020 continue; 3021 rc = wil_rf_sector_wmi_set_selected( 3022 wil, vif->mid, 3023 WMI_INVALID_RF_SECTOR_INDEX, 3024 sector_type, i); 3025 /* the FW will silently ignore and return 3026 * success for unused cid, so abort the loop 3027 * on any other error 3028 */ 3029 if (rc) { 3030 wil_err(wil, "unlock cid %d failed with status %d\n", 3031 i, rc); 3032 break; 3033 } 3034 } 3035 } 3036 } 3037 3038 return rc; 3039 } 3040