1 /* 2 * Driver interaction with Linux nl80211/cfg80211 - Capabilities 3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi> 4 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> 5 * Copyright (c) 2009-2010, Atheros Communications 6 * 7 * This software may be distributed under the terms of the BSD license. 8 * See README for more details. 9 */ 10 11 #include "includes.h" 12 #include <netlink/genl/genl.h> 13 14 #include "utils/common.h" 15 #include "common/ieee802_11_common.h" 16 #include "common/wpa_common.h" 17 #include "common/qca-vendor.h" 18 #include "common/qca-vendor-attr.h" 19 #include "driver_nl80211.h" 20 21 22 static int protocol_feature_handler(struct nl_msg *msg, void *arg) 23 { 24 u32 *feat = arg; 25 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 26 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 27 28 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 29 genlmsg_attrlen(gnlh, 0), NULL); 30 31 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) 32 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]); 33 34 return NL_SKIP; 35 } 36 37 38 static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv) 39 { 40 u32 feat = 0; 41 struct nl_msg *msg; 42 43 msg = nlmsg_alloc(); 44 if (!msg) 45 return 0; 46 47 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) { 48 nlmsg_free(msg); 49 return 0; 50 } 51 52 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0) 53 return feat; 54 55 return 0; 56 } 57 58 59 struct wiphy_info_data { 60 struct wpa_driver_nl80211_data *drv; 61 struct wpa_driver_capa *capa; 62 63 unsigned int num_multichan_concurrent; 64 65 unsigned int error:1; 66 unsigned int device_ap_sme:1; 67 unsigned int poll_command_supported:1; 68 unsigned int data_tx_status:1; 69 unsigned int auth_supported:1; 70 unsigned int connect_supported:1; 71 unsigned int p2p_go_supported:1; 72 unsigned int p2p_client_supported:1; 73 unsigned int p2p_go_ctwindow_supported:1; 74 unsigned int p2p_concurrent:1; 75 unsigned int channel_switch_supported:1; 76 unsigned int set_qos_map_supported:1; 77 unsigned int have_low_prio_scan:1; 78 unsigned int wmm_ac_supported:1; 79 unsigned int mac_addr_rand_scan_supported:1; 80 unsigned int mac_addr_rand_sched_scan_supported:1; 81 }; 82 83 84 static unsigned int probe_resp_offload_support(int supp_protocols) 85 { 86 unsigned int prot = 0; 87 88 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS) 89 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS; 90 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2) 91 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2; 92 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P) 93 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P; 94 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U) 95 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING; 96 97 return prot; 98 } 99 100 101 static void wiphy_info_supported_iftypes(struct wiphy_info_data *info, 102 struct nlattr *tb) 103 { 104 struct nlattr *nl_mode; 105 int i; 106 107 if (tb == NULL) 108 return; 109 110 nla_for_each_nested(nl_mode, tb, i) { 111 switch (nla_type(nl_mode)) { 112 case NL80211_IFTYPE_AP: 113 info->capa->flags |= WPA_DRIVER_FLAGS_AP; 114 break; 115 case NL80211_IFTYPE_MESH_POINT: 116 info->capa->flags |= WPA_DRIVER_FLAGS_MESH; 117 break; 118 case NL80211_IFTYPE_ADHOC: 119 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS; 120 break; 121 case NL80211_IFTYPE_P2P_DEVICE: 122 info->capa->flags |= 123 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE; 124 break; 125 case NL80211_IFTYPE_P2P_GO: 126 info->p2p_go_supported = 1; 127 break; 128 case NL80211_IFTYPE_P2P_CLIENT: 129 info->p2p_client_supported = 1; 130 break; 131 } 132 } 133 } 134 135 136 static int wiphy_info_iface_comb_process(struct wiphy_info_data *info, 137 struct nlattr *nl_combi) 138 { 139 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB]; 140 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT]; 141 struct nlattr *nl_limit, *nl_mode; 142 int err, rem_limit, rem_mode; 143 int combination_has_p2p = 0, combination_has_mgd = 0; 144 static struct nla_policy 145 iface_combination_policy[NUM_NL80211_IFACE_COMB] = { 146 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED }, 147 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 }, 148 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG }, 149 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 }, 150 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 }, 151 }, 152 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = { 153 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED }, 154 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 }, 155 }; 156 157 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB, 158 nl_combi, iface_combination_policy); 159 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] || 160 !tb_comb[NL80211_IFACE_COMB_MAXNUM] || 161 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) 162 return 0; /* broken combination */ 163 164 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) 165 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR; 166 167 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], 168 rem_limit) { 169 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT, 170 nl_limit, iface_limit_policy); 171 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) 172 return 0; /* broken combination */ 173 174 nla_for_each_nested(nl_mode, 175 tb_limit[NL80211_IFACE_LIMIT_TYPES], 176 rem_mode) { 177 int ift = nla_type(nl_mode); 178 if (ift == NL80211_IFTYPE_P2P_GO || 179 ift == NL80211_IFTYPE_P2P_CLIENT) 180 combination_has_p2p = 1; 181 if (ift == NL80211_IFTYPE_STATION) 182 combination_has_mgd = 1; 183 } 184 if (combination_has_p2p && combination_has_mgd) 185 break; 186 } 187 188 if (combination_has_p2p && combination_has_mgd) { 189 unsigned int num_channels = 190 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]); 191 192 info->p2p_concurrent = 1; 193 if (info->num_multichan_concurrent < num_channels) 194 info->num_multichan_concurrent = num_channels; 195 } 196 197 return 0; 198 } 199 200 201 static void wiphy_info_iface_comb(struct wiphy_info_data *info, 202 struct nlattr *tb) 203 { 204 struct nlattr *nl_combi; 205 int rem_combi; 206 207 if (tb == NULL) 208 return; 209 210 nla_for_each_nested(nl_combi, tb, rem_combi) { 211 if (wiphy_info_iface_comb_process(info, nl_combi) > 0) 212 break; 213 } 214 } 215 216 217 static void wiphy_info_supp_cmds(struct wiphy_info_data *info, 218 struct nlattr *tb) 219 { 220 struct nlattr *nl_cmd; 221 int i; 222 223 if (tb == NULL) 224 return; 225 226 nla_for_each_nested(nl_cmd, tb, i) { 227 switch (nla_get_u32(nl_cmd)) { 228 case NL80211_CMD_AUTHENTICATE: 229 info->auth_supported = 1; 230 break; 231 case NL80211_CMD_CONNECT: 232 info->connect_supported = 1; 233 break; 234 case NL80211_CMD_START_SCHED_SCAN: 235 info->capa->sched_scan_supported = 1; 236 break; 237 case NL80211_CMD_PROBE_CLIENT: 238 info->poll_command_supported = 1; 239 break; 240 case NL80211_CMD_CHANNEL_SWITCH: 241 info->channel_switch_supported = 1; 242 break; 243 case NL80211_CMD_SET_QOS_MAP: 244 info->set_qos_map_supported = 1; 245 break; 246 } 247 } 248 } 249 250 251 static void wiphy_info_cipher_suites(struct wiphy_info_data *info, 252 struct nlattr *tb) 253 { 254 int i, num; 255 u32 *ciphers; 256 257 if (tb == NULL) 258 return; 259 260 num = nla_len(tb) / sizeof(u32); 261 ciphers = nla_data(tb); 262 for (i = 0; i < num; i++) { 263 u32 c = ciphers[i]; 264 265 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d", 266 c >> 24, (c >> 16) & 0xff, 267 (c >> 8) & 0xff, c & 0xff); 268 switch (c) { 269 case RSN_CIPHER_SUITE_CCMP_256: 270 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256; 271 break; 272 case RSN_CIPHER_SUITE_GCMP_256: 273 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256; 274 break; 275 case RSN_CIPHER_SUITE_CCMP: 276 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP; 277 break; 278 case RSN_CIPHER_SUITE_GCMP: 279 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP; 280 break; 281 case RSN_CIPHER_SUITE_TKIP: 282 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP; 283 break; 284 case RSN_CIPHER_SUITE_WEP104: 285 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104; 286 break; 287 case RSN_CIPHER_SUITE_WEP40: 288 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40; 289 break; 290 case RSN_CIPHER_SUITE_AES_128_CMAC: 291 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP; 292 break; 293 case RSN_CIPHER_SUITE_BIP_GMAC_128: 294 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128; 295 break; 296 case RSN_CIPHER_SUITE_BIP_GMAC_256: 297 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256; 298 break; 299 case RSN_CIPHER_SUITE_BIP_CMAC_256: 300 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256; 301 break; 302 case RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED: 303 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED; 304 break; 305 } 306 } 307 } 308 309 310 static void wiphy_info_max_roc(struct wpa_driver_capa *capa, 311 struct nlattr *tb) 312 { 313 if (tb) 314 capa->max_remain_on_chan = nla_get_u32(tb); 315 } 316 317 318 static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls, 319 struct nlattr *ext_setup) 320 { 321 if (tdls == NULL) 322 return; 323 324 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported"); 325 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT; 326 327 if (ext_setup) { 328 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup"); 329 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP; 330 } 331 } 332 333 334 static int ext_feature_isset(const u8 *ext_features, int ext_features_len, 335 enum nl80211_ext_feature_index ftidx) 336 { 337 u8 ft_byte; 338 339 if ((int) ftidx / 8 >= ext_features_len) 340 return 0; 341 342 ft_byte = ext_features[ftidx / 8]; 343 return (ft_byte & BIT(ftidx % 8)) != 0; 344 } 345 346 347 static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info, 348 struct nlattr *tb) 349 { 350 struct wpa_driver_capa *capa = info->capa; 351 u8 *ext_features; 352 int len; 353 354 if (tb == NULL) 355 return; 356 357 ext_features = nla_data(tb); 358 len = nla_len(tb); 359 360 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS)) 361 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS; 362 363 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM)) 364 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM; 365 366 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_FILS_STA)) 367 capa->flags |= WPA_DRIVER_FLAGS_SUPPORT_FILS; 368 369 if (ext_feature_isset(ext_features, len, 370 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) 371 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY; 372 373 if (ext_feature_isset(ext_features, len, 374 NL80211_EXT_FEATURE_BEACON_RATE_HT)) 375 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_HT; 376 377 if (ext_feature_isset(ext_features, len, 378 NL80211_EXT_FEATURE_BEACON_RATE_VHT)) 379 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_VHT; 380 381 if (ext_feature_isset(ext_features, len, 382 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) 383 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_SET_SCAN_DWELL; 384 385 if (ext_feature_isset(ext_features, len, 386 NL80211_EXT_FEATURE_SCAN_START_TIME) && 387 ext_feature_isset(ext_features, len, 388 NL80211_EXT_FEATURE_BSS_PARENT_TSF) && 389 ext_feature_isset(ext_features, len, 390 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) 391 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT; 392 if (ext_feature_isset(ext_features, len, 393 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA)) 394 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA; 395 if (ext_feature_isset(ext_features, len, 396 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED)) 397 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA_CONNECTED; 398 if (ext_feature_isset(ext_features, len, 399 NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI)) 400 capa->flags |= WPA_DRIVER_FLAGS_SCHED_SCAN_RELATIVE_RSSI; 401 if (ext_feature_isset(ext_features, len, 402 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD)) 403 capa->flags |= WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD; 404 405 if (ext_feature_isset(ext_features, len, 406 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) && 407 ext_feature_isset(ext_features, len, 408 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) 409 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE; 410 411 if (ext_feature_isset(ext_features, len, 412 NL80211_EXT_FEATURE_MFP_OPTIONAL)) 413 capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL; 414 415 if (ext_feature_isset(ext_features, len, 416 NL80211_EXT_FEATURE_DFS_OFFLOAD)) 417 capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; 418 419 #ifdef CONFIG_MBO 420 if (ext_feature_isset(ext_features, len, 421 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) && 422 ext_feature_isset(ext_features, len, 423 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) && 424 ext_feature_isset(ext_features, len, 425 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) && 426 ext_feature_isset( 427 ext_features, len, 428 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION)) 429 capa->flags |= WPA_DRIVER_FLAGS_OCE_STA; 430 #endif /* CONFIG_MBO */ 431 } 432 433 434 static void wiphy_info_feature_flags(struct wiphy_info_data *info, 435 struct nlattr *tb) 436 { 437 u32 flags; 438 struct wpa_driver_capa *capa = info->capa; 439 440 if (tb == NULL) 441 return; 442 443 flags = nla_get_u32(tb); 444 445 if (flags & NL80211_FEATURE_SK_TX_STATUS) 446 info->data_tx_status = 1; 447 448 if (flags & NL80211_FEATURE_INACTIVITY_TIMER) 449 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER; 450 451 if (flags & NL80211_FEATURE_SAE) 452 capa->flags |= WPA_DRIVER_FLAGS_SAE; 453 454 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN) 455 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN; 456 457 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE) 458 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX; 459 460 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) { 461 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch"); 462 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH; 463 } 464 465 if (flags & NL80211_FEATURE_P2P_GO_CTWIN) 466 info->p2p_go_ctwindow_supported = 1; 467 468 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN) 469 info->have_low_prio_scan = 1; 470 471 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR) 472 info->mac_addr_rand_scan_supported = 1; 473 474 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR) 475 info->mac_addr_rand_sched_scan_supported = 1; 476 477 if (flags & NL80211_FEATURE_STATIC_SMPS) 478 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC; 479 480 if (flags & NL80211_FEATURE_DYNAMIC_SMPS) 481 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC; 482 483 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) 484 info->wmm_ac_supported = 1; 485 486 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) 487 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES; 488 489 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES) 490 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES; 491 492 if (flags & NL80211_FEATURE_QUIET) 493 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET; 494 495 if (flags & NL80211_FEATURE_TX_POWER_INSERTION) 496 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION; 497 498 if (flags & NL80211_FEATURE_HT_IBSS) 499 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS; 500 501 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE) 502 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE; 503 } 504 505 506 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa, 507 struct nlattr *tb) 508 { 509 u32 protocols; 510 511 if (tb == NULL) 512 return; 513 514 protocols = nla_get_u32(tb); 515 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP " 516 "mode"); 517 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; 518 capa->probe_resp_offloads = probe_resp_offload_support(protocols); 519 } 520 521 522 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa, 523 struct nlattr *tb) 524 { 525 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1]; 526 527 if (tb == NULL) 528 return; 529 530 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG, 531 tb, NULL)) 532 return; 533 534 if (triggers[NL80211_WOWLAN_TRIG_ANY]) 535 capa->wowlan_triggers.any = 1; 536 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT]) 537 capa->wowlan_triggers.disconnect = 1; 538 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT]) 539 capa->wowlan_triggers.magic_pkt = 1; 540 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) 541 capa->wowlan_triggers.gtk_rekey_failure = 1; 542 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) 543 capa->wowlan_triggers.eap_identity_req = 1; 544 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) 545 capa->wowlan_triggers.four_way_handshake = 1; 546 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) 547 capa->wowlan_triggers.rfkill_release = 1; 548 } 549 550 551 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv, 552 struct nlattr *tb) 553 { 554 int rem = 0, i; 555 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr; 556 557 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) 558 return; 559 560 nla_for_each_nested(attr, tb, rem) { 561 unsigned int len; 562 struct drv_nl80211_ext_capa *capa; 563 564 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr), 565 nla_len(attr), NULL); 566 567 if (!tb1[NL80211_ATTR_IFTYPE] || 568 !tb1[NL80211_ATTR_EXT_CAPA] || 569 !tb1[NL80211_ATTR_EXT_CAPA_MASK]) 570 continue; 571 572 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa]; 573 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]); 574 wpa_printf(MSG_DEBUG, 575 "nl80211: Driver-advertised extended capabilities for interface type %s", 576 nl80211_iftype_str(capa->iftype)); 577 578 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]); 579 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]), 580 len); 581 if (!capa->ext_capa) 582 goto err; 583 584 capa->ext_capa_len = len; 585 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities", 586 capa->ext_capa, capa->ext_capa_len); 587 588 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]); 589 capa->ext_capa_mask = 590 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]), 591 len); 592 if (!capa->ext_capa_mask) 593 goto err; 594 595 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask", 596 capa->ext_capa_mask, capa->ext_capa_len); 597 598 drv->num_iface_ext_capa++; 599 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) 600 break; 601 } 602 603 return; 604 605 err: 606 /* Cleanup allocated memory on error */ 607 for (i = 0; i < NL80211_IFTYPE_MAX; i++) { 608 os_free(drv->iface_ext_capa[i].ext_capa); 609 drv->iface_ext_capa[i].ext_capa = NULL; 610 os_free(drv->iface_ext_capa[i].ext_capa_mask); 611 drv->iface_ext_capa[i].ext_capa_mask = NULL; 612 drv->iface_ext_capa[i].ext_capa_len = 0; 613 } 614 drv->num_iface_ext_capa = 0; 615 } 616 617 618 static int wiphy_info_handler(struct nl_msg *msg, void *arg) 619 { 620 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 621 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 622 struct wiphy_info_data *info = arg; 623 struct wpa_driver_capa *capa = info->capa; 624 struct wpa_driver_nl80211_data *drv = info->drv; 625 626 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 627 genlmsg_attrlen(gnlh, 0), NULL); 628 629 if (tb[NL80211_ATTR_WIPHY]) 630 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); 631 632 if (tb[NL80211_ATTR_WIPHY_NAME]) 633 os_strlcpy(drv->phyname, 634 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]), 635 sizeof(drv->phyname)); 636 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) 637 capa->max_scan_ssids = 638 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]); 639 640 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]) 641 capa->max_sched_scan_ssids = 642 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]); 643 644 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] && 645 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] && 646 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) { 647 capa->max_sched_scan_plans = 648 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]); 649 650 capa->max_sched_scan_plan_interval = 651 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]); 652 653 capa->max_sched_scan_plan_iterations = 654 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]); 655 } 656 657 if (tb[NL80211_ATTR_MAX_MATCH_SETS]) 658 capa->max_match_sets = 659 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); 660 661 if (tb[NL80211_ATTR_MAC_ACL_MAX]) 662 capa->max_acl_mac_addrs = 663 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]); 664 665 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]); 666 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]); 667 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]); 668 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]); 669 670 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) { 671 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based " 672 "off-channel TX"); 673 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX; 674 } 675 676 if (tb[NL80211_ATTR_ROAM_SUPPORT]) { 677 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming"); 678 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; 679 } 680 681 wiphy_info_max_roc(capa, 682 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]); 683 684 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD]) 685 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD; 686 687 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT], 688 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]); 689 690 if (tb[NL80211_ATTR_DEVICE_AP_SME]) 691 info->device_ap_sme = 1; 692 693 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]); 694 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]); 695 wiphy_info_probe_resp_offload(capa, 696 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); 697 698 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] && 699 drv->extended_capa == NULL) { 700 drv->extended_capa = 701 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); 702 if (drv->extended_capa) { 703 os_memcpy(drv->extended_capa, 704 nla_data(tb[NL80211_ATTR_EXT_CAPA]), 705 nla_len(tb[NL80211_ATTR_EXT_CAPA])); 706 drv->extended_capa_len = 707 nla_len(tb[NL80211_ATTR_EXT_CAPA]); 708 wpa_hexdump(MSG_DEBUG, 709 "nl80211: Driver-advertised extended capabilities (default)", 710 drv->extended_capa, drv->extended_capa_len); 711 } 712 drv->extended_capa_mask = 713 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); 714 if (drv->extended_capa_mask) { 715 os_memcpy(drv->extended_capa_mask, 716 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]), 717 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); 718 wpa_hexdump(MSG_DEBUG, 719 "nl80211: Driver-advertised extended capabilities mask (default)", 720 drv->extended_capa_mask, 721 drv->extended_capa_len); 722 } else { 723 os_free(drv->extended_capa); 724 drv->extended_capa = NULL; 725 drv->extended_capa_len = 0; 726 } 727 } 728 729 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]); 730 731 if (tb[NL80211_ATTR_VENDOR_DATA]) { 732 struct nlattr *nl; 733 int rem; 734 735 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) { 736 struct nl80211_vendor_cmd_info *vinfo; 737 if (nla_len(nl) != sizeof(*vinfo)) { 738 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); 739 continue; 740 } 741 vinfo = nla_data(nl); 742 if (vinfo->vendor_id == OUI_QCA) { 743 switch (vinfo->subcmd) { 744 case QCA_NL80211_VENDOR_SUBCMD_TEST: 745 drv->vendor_cmd_test_avail = 1; 746 break; 747 #ifdef CONFIG_DRIVER_NL80211_QCA 748 case QCA_NL80211_VENDOR_SUBCMD_ROAMING: 749 drv->roaming_vendor_cmd_avail = 1; 750 break; 751 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY: 752 drv->dfs_vendor_cmd_avail = 1; 753 break; 754 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES: 755 drv->get_features_vendor_cmd_avail = 1; 756 break; 757 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST: 758 drv->get_pref_freq_list = 1; 759 break; 760 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL: 761 drv->set_prob_oper_freq = 1; 762 break; 763 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS: 764 drv->capa.flags |= 765 WPA_DRIVER_FLAGS_ACS_OFFLOAD; 766 break; 767 case QCA_NL80211_VENDOR_SUBCMD_SETBAND: 768 drv->setband_vendor_cmd_avail = 1; 769 break; 770 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN: 771 drv->scan_vendor_cmd_avail = 1; 772 break; 773 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION: 774 drv->set_wifi_conf_vendor_cmd_avail = 1; 775 break; 776 case QCA_NL80211_VENDOR_SUBCMD_GET_HE_CAPABILITIES: 777 drv->he_capab_vendor_cmd_avail = 1; 778 break; 779 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS: 780 drv->fetch_bss_trans_status = 1; 781 break; 782 case QCA_NL80211_VENDOR_SUBCMD_ROAM: 783 drv->roam_vendor_cmd_avail = 1; 784 break; 785 #endif /* CONFIG_DRIVER_NL80211_QCA */ 786 } 787 } 788 789 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u", 790 vinfo->vendor_id, vinfo->subcmd); 791 } 792 } 793 794 if (tb[NL80211_ATTR_VENDOR_EVENTS]) { 795 struct nlattr *nl; 796 int rem; 797 798 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) { 799 struct nl80211_vendor_cmd_info *vinfo; 800 if (nla_len(nl) != sizeof(*vinfo)) { 801 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); 802 continue; 803 } 804 vinfo = nla_data(nl); 805 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u", 806 vinfo->vendor_id, vinfo->subcmd); 807 } 808 } 809 810 wiphy_info_wowlan_triggers(capa, 811 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]); 812 813 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA]) 814 capa->max_stations = 815 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]); 816 817 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS]) 818 capa->max_csa_counters = 819 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]); 820 821 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG]) 822 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY; 823 824 return NL_SKIP; 825 } 826 827 828 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, 829 struct wiphy_info_data *info) 830 { 831 u32 feat; 832 struct nl_msg *msg; 833 int flags = 0; 834 835 os_memset(info, 0, sizeof(*info)); 836 info->capa = &drv->capa; 837 info->drv = drv; 838 839 feat = get_nl80211_protocol_features(drv); 840 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 841 flags = NLM_F_DUMP; 842 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY); 843 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 844 nlmsg_free(msg); 845 return -1; 846 } 847 848 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info)) 849 return -1; 850 851 if (info->auth_supported) 852 drv->capa.flags |= WPA_DRIVER_FLAGS_SME; 853 else if (!info->connect_supported) { 854 wpa_printf(MSG_INFO, "nl80211: Driver does not support " 855 "authentication/association or connect commands"); 856 info->error = 1; 857 } 858 859 if (info->p2p_go_supported && info->p2p_client_supported) 860 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; 861 if (info->p2p_concurrent) { 862 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " 863 "interface (driver advertised support)"); 864 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; 865 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; 866 } 867 if (info->num_multichan_concurrent > 1) { 868 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " 869 "concurrent (driver advertised support)"); 870 drv->capa.num_multichan_concurrent = 871 info->num_multichan_concurrent; 872 } 873 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) 874 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support"); 875 876 /* default to 5000 since early versions of mac80211 don't set it */ 877 if (!drv->capa.max_remain_on_chan) 878 drv->capa.max_remain_on_chan = 5000; 879 880 drv->capa.wmm_ac_supported = info->wmm_ac_supported; 881 882 drv->capa.mac_addr_rand_sched_scan_supported = 883 info->mac_addr_rand_sched_scan_supported; 884 drv->capa.mac_addr_rand_scan_supported = 885 info->mac_addr_rand_scan_supported; 886 887 if (info->channel_switch_supported) { 888 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA; 889 if (!drv->capa.max_csa_counters) 890 drv->capa.max_csa_counters = 1; 891 } 892 893 if (!drv->capa.max_sched_scan_plans) { 894 drv->capa.max_sched_scan_plans = 1; 895 drv->capa.max_sched_scan_plan_interval = UINT32_MAX; 896 drv->capa.max_sched_scan_plan_iterations = 0; 897 } 898 899 return 0; 900 } 901 902 903 #ifdef CONFIG_DRIVER_NL80211_QCA 904 905 static int dfs_info_handler(struct nl_msg *msg, void *arg) 906 { 907 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 908 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 909 int *dfs_capability_ptr = arg; 910 911 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 912 genlmsg_attrlen(gnlh, 0), NULL); 913 914 if (tb[NL80211_ATTR_VENDOR_DATA]) { 915 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 916 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 917 918 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 919 nla_data(nl_vend), nla_len(nl_vend), NULL); 920 921 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) { 922 u32 val; 923 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]); 924 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u", 925 val); 926 *dfs_capability_ptr = val; 927 } 928 } 929 930 return NL_SKIP; 931 } 932 933 934 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv) 935 { 936 struct nl_msg *msg; 937 int dfs_capability = 0; 938 int ret; 939 940 if (!drv->dfs_vendor_cmd_avail) 941 return; 942 943 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 944 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 945 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 946 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) { 947 nlmsg_free(msg); 948 return; 949 } 950 951 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability); 952 if (!ret && dfs_capability) 953 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; 954 } 955 956 957 static int qca_nl80211_he_capab_handler(struct nl_msg *msg, void *arg) 958 { 959 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 960 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 961 struct he_capabilities *he_capab = arg; 962 struct nlattr *nl_vend; 963 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX + 1]; 964 size_t len; 965 966 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 967 genlmsg_attrlen(gnlh, 0), NULL); 968 969 if (!tb[NL80211_ATTR_VENDOR_DATA]) 970 return NL_SKIP; 971 972 nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 973 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX, 974 nla_data(nl_vend), nla_len(nl_vend), NULL); 975 976 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]) { 977 u8 he_supported; 978 979 he_supported = nla_get_u8( 980 tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]); 981 wpa_printf(MSG_DEBUG, "nl80211: HE capabilities supported: %u", 982 he_supported); 983 he_capab->he_supported = he_supported; 984 if (!he_supported) 985 return NL_SKIP; 986 } 987 988 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]) { 989 len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]); 990 991 if (len > sizeof(he_capab->phy_cap)) 992 len = sizeof(he_capab->phy_cap); 993 os_memcpy(he_capab->phy_cap, 994 nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]), 995 len); 996 } 997 998 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB]) 999 he_capab->mac_cap = 1000 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB]); 1001 1002 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS]) 1003 he_capab->mcs = 1004 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS]); 1005 1006 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS]) 1007 he_capab->ppet.numss_m1 = 1008 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS]); 1009 1010 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK]) 1011 he_capab->ppet.ru_count = 1012 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK]); 1013 1014 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]) { 1015 len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]); 1016 1017 if (len > sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0)) 1018 len = sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0); 1019 os_memcpy(he_capab->ppet.ppet16_ppet8_ru3_ru0, 1020 nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]), 1021 len); 1022 } 1023 1024 return NL_SKIP; 1025 } 1026 1027 1028 static void qca_nl80211_check_he_capab(struct wpa_driver_nl80211_data *drv) 1029 { 1030 struct nl_msg *msg; 1031 int ret; 1032 1033 if (!drv->he_capab_vendor_cmd_avail) 1034 return; 1035 1036 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1037 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1038 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1039 QCA_NL80211_VENDOR_SUBCMD_GET_HE_CAPABILITIES)) { 1040 nlmsg_free(msg); 1041 return; 1042 } 1043 1044 ret = send_and_recv_msgs(drv, msg, qca_nl80211_he_capab_handler, 1045 &drv->he_capab); 1046 if (!ret && drv->he_capab.he_supported) 1047 drv->capa.flags |= WPA_DRIVER_FLAGS_HE_CAPABILITIES; 1048 } 1049 1050 1051 struct features_info { 1052 u8 *flags; 1053 size_t flags_len; 1054 struct wpa_driver_capa *capa; 1055 }; 1056 1057 1058 static int features_info_handler(struct nl_msg *msg, void *arg) 1059 { 1060 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 1061 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1062 struct features_info *info = arg; 1063 struct nlattr *nl_vend, *attr; 1064 1065 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1066 genlmsg_attrlen(gnlh, 0), NULL); 1067 1068 nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 1069 if (nl_vend) { 1070 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 1071 1072 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 1073 nla_data(nl_vend), nla_len(nl_vend), NULL); 1074 1075 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS]; 1076 if (attr) { 1077 int len = nla_len(attr); 1078 info->flags = os_malloc(len); 1079 if (info->flags != NULL) { 1080 os_memcpy(info->flags, nla_data(attr), len); 1081 info->flags_len = len; 1082 } 1083 } 1084 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA]; 1085 if (attr) 1086 info->capa->conc_capab = nla_get_u32(attr); 1087 1088 attr = tb_vendor[ 1089 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND]; 1090 if (attr) 1091 info->capa->max_conc_chan_2_4 = nla_get_u32(attr); 1092 1093 attr = tb_vendor[ 1094 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND]; 1095 if (attr) 1096 info->capa->max_conc_chan_5_0 = nla_get_u32(attr); 1097 } 1098 1099 return NL_SKIP; 1100 } 1101 1102 1103 static int check_feature(enum qca_wlan_vendor_features feature, 1104 struct features_info *info) 1105 { 1106 size_t idx = feature / 8; 1107 1108 return (idx < info->flags_len) && 1109 (info->flags[idx] & BIT(feature % 8)); 1110 } 1111 1112 1113 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv) 1114 { 1115 struct nl_msg *msg; 1116 struct features_info info; 1117 int ret; 1118 1119 if (!drv->get_features_vendor_cmd_avail) 1120 return; 1121 1122 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1123 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1124 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1125 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) { 1126 nlmsg_free(msg); 1127 return; 1128 } 1129 1130 os_memset(&info, 0, sizeof(info)); 1131 info.capa = &drv->capa; 1132 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info); 1133 if (ret || !info.flags) 1134 return; 1135 1136 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info)) 1137 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD; 1138 1139 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info)) 1140 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY; 1141 1142 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS, 1143 &info)) 1144 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1145 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info)) 1146 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD; 1147 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info)) 1148 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA; 1149 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info)) 1150 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP; 1151 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info)) 1152 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON; 1153 os_free(info.flags); 1154 } 1155 1156 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1157 1158 1159 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) 1160 { 1161 struct wiphy_info_data info; 1162 if (wpa_driver_nl80211_get_info(drv, &info)) 1163 return -1; 1164 1165 if (info.error) 1166 return -1; 1167 1168 drv->has_capability = 1; 1169 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | 1170 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | 1171 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | 1172 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK | 1173 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B | 1174 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192 | 1175 WPA_DRIVER_CAPA_KEY_MGMT_OWE | 1176 WPA_DRIVER_CAPA_KEY_MGMT_DPP; 1177 1178 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) 1179 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1180 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 | 1181 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 | 1182 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384; 1183 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD) 1184 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1185 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; 1186 1187 drv->capa.auth = WPA_DRIVER_AUTH_OPEN | 1188 WPA_DRIVER_AUTH_SHARED | 1189 WPA_DRIVER_AUTH_LEAP; 1190 1191 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES; 1192 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; 1193 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1194 1195 /* 1196 * As all cfg80211 drivers must support cases where the AP interface is 1197 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in 1198 * case that the user space daemon has crashed, they must be able to 1199 * cleanup all stations and key entries in the AP tear down flow. Thus, 1200 * this flag can/should always be set for cfg80211 drivers. 1201 */ 1202 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT; 1203 1204 if (!info.device_ap_sme) { 1205 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; 1206 1207 /* 1208 * No AP SME is currently assumed to also indicate no AP MLME 1209 * in the driver/firmware. 1210 */ 1211 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; 1212 } 1213 1214 drv->device_ap_sme = info.device_ap_sme; 1215 drv->poll_command_supported = info.poll_command_supported; 1216 drv->data_tx_status = info.data_tx_status; 1217 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported; 1218 if (info.set_qos_map_supported) 1219 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING; 1220 drv->have_low_prio_scan = info.have_low_prio_scan; 1221 1222 /* 1223 * If poll command and tx status are supported, mac80211 is new enough 1224 * to have everything we need to not need monitor interfaces. 1225 */ 1226 drv->use_monitor = !info.device_ap_sme && 1227 (!info.poll_command_supported || !info.data_tx_status); 1228 1229 /* 1230 * If we aren't going to use monitor interfaces, but the 1231 * driver doesn't support data TX status, we won't get TX 1232 * status for EAPOL frames. 1233 */ 1234 if (!drv->use_monitor && !info.data_tx_status) 1235 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1236 1237 #ifdef CONFIG_DRIVER_NL80211_QCA 1238 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)) 1239 qca_nl80211_check_dfs_capa(drv); 1240 qca_nl80211_get_features(drv); 1241 qca_nl80211_check_he_capab(drv); 1242 1243 /* 1244 * To enable offchannel simultaneous support in wpa_supplicant, the 1245 * underlying driver needs to support the same along with offchannel TX. 1246 * Offchannel TX support is needed since remain_on_channel and 1247 * action_tx use some common data structures and hence cannot be 1248 * scheduled simultaneously. 1249 */ 1250 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX)) 1251 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1252 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1253 1254 return 0; 1255 } 1256 1257 1258 struct phy_info_arg { 1259 u16 *num_modes; 1260 struct hostapd_hw_modes *modes; 1261 int last_mode, last_chan_idx; 1262 int failed; 1263 u8 dfs_domain; 1264 }; 1265 1266 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa, 1267 struct nlattr *ampdu_factor, 1268 struct nlattr *ampdu_density, 1269 struct nlattr *mcs_set) 1270 { 1271 if (capa) 1272 mode->ht_capab = nla_get_u16(capa); 1273 1274 if (ampdu_factor) 1275 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03; 1276 1277 if (ampdu_density) 1278 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2; 1279 1280 if (mcs_set && nla_len(mcs_set) >= 16) { 1281 u8 *mcs; 1282 mcs = nla_data(mcs_set); 1283 os_memcpy(mode->mcs_set, mcs, 16); 1284 } 1285 } 1286 1287 1288 static void phy_info_vht_capa(struct hostapd_hw_modes *mode, 1289 struct nlattr *capa, 1290 struct nlattr *mcs_set) 1291 { 1292 if (capa) 1293 mode->vht_capab = nla_get_u32(capa); 1294 1295 if (mcs_set && nla_len(mcs_set) >= 8) { 1296 u8 *mcs; 1297 mcs = nla_data(mcs_set); 1298 os_memcpy(mode->vht_mcs_set, mcs, 8); 1299 } 1300 } 1301 1302 1303 static void phy_info_freq(struct hostapd_hw_modes *mode, 1304 struct hostapd_channel_data *chan, 1305 struct nlattr *tb_freq[]) 1306 { 1307 u8 channel; 1308 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); 1309 chan->flag = 0; 1310 chan->dfs_cac_ms = 0; 1311 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES) 1312 chan->chan = channel; 1313 1314 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) 1315 chan->flag |= HOSTAPD_CHAN_DISABLED; 1316 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR]) 1317 chan->flag |= HOSTAPD_CHAN_NO_IR; 1318 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) 1319 chan->flag |= HOSTAPD_CHAN_RADAR; 1320 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY]) 1321 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY; 1322 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT]) 1323 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT; 1324 1325 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { 1326 enum nl80211_dfs_state state = 1327 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); 1328 1329 switch (state) { 1330 case NL80211_DFS_USABLE: 1331 chan->flag |= HOSTAPD_CHAN_DFS_USABLE; 1332 break; 1333 case NL80211_DFS_AVAILABLE: 1334 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE; 1335 break; 1336 case NL80211_DFS_UNAVAILABLE: 1337 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE; 1338 break; 1339 } 1340 } 1341 1342 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) { 1343 chan->dfs_cac_ms = nla_get_u32( 1344 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]); 1345 } 1346 } 1347 1348 1349 static int phy_info_freqs(struct phy_info_arg *phy_info, 1350 struct hostapd_hw_modes *mode, struct nlattr *tb) 1351 { 1352 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 1353 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, 1354 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, 1355 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, 1356 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, 1357 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, 1358 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 }, 1359 }; 1360 int new_channels = 0; 1361 struct hostapd_channel_data *channel; 1362 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; 1363 struct nlattr *nl_freq; 1364 int rem_freq, idx; 1365 1366 if (tb == NULL) 1367 return NL_OK; 1368 1369 nla_for_each_nested(nl_freq, tb, rem_freq) { 1370 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1371 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1372 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1373 continue; 1374 new_channels++; 1375 } 1376 1377 channel = os_realloc_array(mode->channels, 1378 mode->num_channels + new_channels, 1379 sizeof(struct hostapd_channel_data)); 1380 if (!channel) 1381 return NL_STOP; 1382 1383 mode->channels = channel; 1384 mode->num_channels += new_channels; 1385 1386 idx = phy_info->last_chan_idx; 1387 1388 nla_for_each_nested(nl_freq, tb, rem_freq) { 1389 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1390 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1391 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1392 continue; 1393 phy_info_freq(mode, &mode->channels[idx], tb_freq); 1394 idx++; 1395 } 1396 phy_info->last_chan_idx = idx; 1397 1398 return NL_OK; 1399 } 1400 1401 1402 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb) 1403 { 1404 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { 1405 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, 1406 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = 1407 { .type = NLA_FLAG }, 1408 }; 1409 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; 1410 struct nlattr *nl_rate; 1411 int rem_rate, idx; 1412 1413 if (tb == NULL) 1414 return NL_OK; 1415 1416 nla_for_each_nested(nl_rate, tb, rem_rate) { 1417 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1418 nla_data(nl_rate), nla_len(nl_rate), 1419 rate_policy); 1420 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1421 continue; 1422 mode->num_rates++; 1423 } 1424 1425 mode->rates = os_calloc(mode->num_rates, sizeof(int)); 1426 if (!mode->rates) 1427 return NL_STOP; 1428 1429 idx = 0; 1430 1431 nla_for_each_nested(nl_rate, tb, rem_rate) { 1432 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1433 nla_data(nl_rate), nla_len(nl_rate), 1434 rate_policy); 1435 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1436 continue; 1437 mode->rates[idx] = nla_get_u32( 1438 tb_rate[NL80211_BITRATE_ATTR_RATE]); 1439 idx++; 1440 } 1441 1442 return NL_OK; 1443 } 1444 1445 1446 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band) 1447 { 1448 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; 1449 struct hostapd_hw_modes *mode; 1450 int ret; 1451 1452 if (phy_info->last_mode != nl_band->nla_type) { 1453 mode = os_realloc_array(phy_info->modes, 1454 *phy_info->num_modes + 1, 1455 sizeof(*mode)); 1456 if (!mode) { 1457 phy_info->failed = 1; 1458 return NL_STOP; 1459 } 1460 phy_info->modes = mode; 1461 1462 mode = &phy_info->modes[*(phy_info->num_modes)]; 1463 os_memset(mode, 0, sizeof(*mode)); 1464 mode->mode = NUM_HOSTAPD_MODES; 1465 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN | 1466 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN; 1467 1468 /* 1469 * Unsupported VHT MCS stream is defined as value 3, so the VHT 1470 * MCS RX/TX map must be initialized with 0xffff to mark all 8 1471 * possible streams as unsupported. This will be overridden if 1472 * driver advertises VHT support. 1473 */ 1474 mode->vht_mcs_set[0] = 0xff; 1475 mode->vht_mcs_set[1] = 0xff; 1476 mode->vht_mcs_set[4] = 0xff; 1477 mode->vht_mcs_set[5] = 0xff; 1478 1479 *(phy_info->num_modes) += 1; 1480 phy_info->last_mode = nl_band->nla_type; 1481 phy_info->last_chan_idx = 0; 1482 } else 1483 mode = &phy_info->modes[*(phy_info->num_modes) - 1]; 1484 1485 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), 1486 nla_len(nl_band), NULL); 1487 1488 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA], 1489 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR], 1490 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY], 1491 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]); 1492 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA], 1493 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); 1494 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]); 1495 if (ret == NL_OK) 1496 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]); 1497 if (ret != NL_OK) { 1498 phy_info->failed = 1; 1499 return ret; 1500 } 1501 1502 return NL_OK; 1503 } 1504 1505 1506 static int phy_info_handler(struct nl_msg *msg, void *arg) 1507 { 1508 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 1509 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1510 struct phy_info_arg *phy_info = arg; 1511 struct nlattr *nl_band; 1512 int rem_band; 1513 1514 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1515 genlmsg_attrlen(gnlh, 0), NULL); 1516 1517 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS]) 1518 return NL_SKIP; 1519 1520 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) 1521 { 1522 int res = phy_info_band(phy_info, nl_band); 1523 if (res != NL_OK) 1524 return res; 1525 } 1526 1527 return NL_SKIP; 1528 } 1529 1530 1531 static struct hostapd_hw_modes * 1532 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes, 1533 u16 *num_modes) 1534 { 1535 u16 m; 1536 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode; 1537 int i, mode11g_idx = -1; 1538 1539 /* heuristic to set up modes */ 1540 for (m = 0; m < *num_modes; m++) { 1541 if (!modes[m].num_channels) 1542 continue; 1543 if (modes[m].channels[0].freq < 4000) { 1544 modes[m].mode = HOSTAPD_MODE_IEEE80211B; 1545 for (i = 0; i < modes[m].num_rates; i++) { 1546 if (modes[m].rates[i] > 200) { 1547 modes[m].mode = HOSTAPD_MODE_IEEE80211G; 1548 break; 1549 } 1550 } 1551 } else if (modes[m].channels[0].freq > 50000) 1552 modes[m].mode = HOSTAPD_MODE_IEEE80211AD; 1553 else 1554 modes[m].mode = HOSTAPD_MODE_IEEE80211A; 1555 } 1556 1557 /* If only 802.11g mode is included, use it to construct matching 1558 * 802.11b mode data. */ 1559 1560 for (m = 0; m < *num_modes; m++) { 1561 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B) 1562 return modes; /* 802.11b already included */ 1563 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G) 1564 mode11g_idx = m; 1565 } 1566 1567 if (mode11g_idx < 0) 1568 return modes; /* 2.4 GHz band not supported at all */ 1569 1570 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); 1571 if (nmodes == NULL) 1572 return modes; /* Could not add 802.11b mode */ 1573 1574 mode = &nmodes[*num_modes]; 1575 os_memset(mode, 0, sizeof(*mode)); 1576 (*num_modes)++; 1577 modes = nmodes; 1578 1579 mode->mode = HOSTAPD_MODE_IEEE80211B; 1580 1581 mode11g = &modes[mode11g_idx]; 1582 mode->num_channels = mode11g->num_channels; 1583 mode->channels = os_memdup(mode11g->channels, 1584 mode11g->num_channels * 1585 sizeof(struct hostapd_channel_data)); 1586 if (mode->channels == NULL) { 1587 (*num_modes)--; 1588 return modes; /* Could not add 802.11b mode */ 1589 } 1590 1591 mode->num_rates = 0; 1592 mode->rates = os_malloc(4 * sizeof(int)); 1593 if (mode->rates == NULL) { 1594 os_free(mode->channels); 1595 (*num_modes)--; 1596 return modes; /* Could not add 802.11b mode */ 1597 } 1598 1599 for (i = 0; i < mode11g->num_rates; i++) { 1600 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 && 1601 mode11g->rates[i] != 55 && mode11g->rates[i] != 110) 1602 continue; 1603 mode->rates[mode->num_rates] = mode11g->rates[i]; 1604 mode->num_rates++; 1605 if (mode->num_rates == 4) 1606 break; 1607 } 1608 1609 if (mode->num_rates == 0) { 1610 os_free(mode->channels); 1611 os_free(mode->rates); 1612 (*num_modes)--; 1613 return modes; /* No 802.11b rates */ 1614 } 1615 1616 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g " 1617 "information"); 1618 1619 return modes; 1620 } 1621 1622 1623 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, 1624 int end) 1625 { 1626 int c; 1627 1628 for (c = 0; c < mode->num_channels; c++) { 1629 struct hostapd_channel_data *chan = &mode->channels[c]; 1630 if (chan->freq - 10 >= start && chan->freq + 10 <= end) 1631 chan->flag |= HOSTAPD_CHAN_HT40; 1632 } 1633 } 1634 1635 1636 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, 1637 int end) 1638 { 1639 int c; 1640 1641 for (c = 0; c < mode->num_channels; c++) { 1642 struct hostapd_channel_data *chan = &mode->channels[c]; 1643 if (!(chan->flag & HOSTAPD_CHAN_HT40)) 1644 continue; 1645 if (chan->freq - 30 >= start && chan->freq - 10 <= end) 1646 chan->flag |= HOSTAPD_CHAN_HT40MINUS; 1647 if (chan->freq + 10 >= start && chan->freq + 30 <= end) 1648 chan->flag |= HOSTAPD_CHAN_HT40PLUS; 1649 } 1650 } 1651 1652 1653 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp, 1654 struct phy_info_arg *results) 1655 { 1656 u16 m; 1657 1658 for (m = 0; m < *results->num_modes; m++) { 1659 int c; 1660 struct hostapd_hw_modes *mode = &results->modes[m]; 1661 1662 for (c = 0; c < mode->num_channels; c++) { 1663 struct hostapd_channel_data *chan = &mode->channels[c]; 1664 if ((u32) chan->freq - 10 >= start && 1665 (u32) chan->freq + 10 <= end) 1666 chan->max_tx_power = max_eirp; 1667 } 1668 } 1669 } 1670 1671 1672 static void nl80211_reg_rule_ht40(u32 start, u32 end, 1673 struct phy_info_arg *results) 1674 { 1675 u16 m; 1676 1677 for (m = 0; m < *results->num_modes; m++) { 1678 if (!(results->modes[m].ht_capab & 1679 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1680 continue; 1681 nl80211_set_ht40_mode(&results->modes[m], start, end); 1682 } 1683 } 1684 1685 1686 static void nl80211_reg_rule_sec(struct nlattr *tb[], 1687 struct phy_info_arg *results) 1688 { 1689 u32 start, end, max_bw; 1690 u16 m; 1691 1692 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1693 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 1694 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 1695 return; 1696 1697 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1698 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1699 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1700 1701 if (max_bw < 20) 1702 return; 1703 1704 for (m = 0; m < *results->num_modes; m++) { 1705 if (!(results->modes[m].ht_capab & 1706 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1707 continue; 1708 nl80211_set_ht40_mode_sec(&results->modes[m], start, end); 1709 } 1710 } 1711 1712 1713 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start, 1714 int end, int max_bw) 1715 { 1716 int c; 1717 1718 for (c = 0; c < mode->num_channels; c++) { 1719 struct hostapd_channel_data *chan = &mode->channels[c]; 1720 if (chan->freq - 10 >= start && chan->freq + 70 <= end) 1721 chan->flag |= HOSTAPD_CHAN_VHT_10_70; 1722 1723 if (chan->freq - 30 >= start && chan->freq + 50 <= end) 1724 chan->flag |= HOSTAPD_CHAN_VHT_30_50; 1725 1726 if (chan->freq - 50 >= start && chan->freq + 30 <= end) 1727 chan->flag |= HOSTAPD_CHAN_VHT_50_30; 1728 1729 if (chan->freq - 70 >= start && chan->freq + 10 <= end) 1730 chan->flag |= HOSTAPD_CHAN_VHT_70_10; 1731 1732 if (max_bw >= 160) { 1733 if (chan->freq - 10 >= start && chan->freq + 150 <= end) 1734 chan->flag |= HOSTAPD_CHAN_VHT_10_150; 1735 1736 if (chan->freq - 30 >= start && chan->freq + 130 <= end) 1737 chan->flag |= HOSTAPD_CHAN_VHT_30_130; 1738 1739 if (chan->freq - 50 >= start && chan->freq + 110 <= end) 1740 chan->flag |= HOSTAPD_CHAN_VHT_50_110; 1741 1742 if (chan->freq - 70 >= start && chan->freq + 90 <= end) 1743 chan->flag |= HOSTAPD_CHAN_VHT_70_90; 1744 1745 if (chan->freq - 90 >= start && chan->freq + 70 <= end) 1746 chan->flag |= HOSTAPD_CHAN_VHT_90_70; 1747 1748 if (chan->freq - 110 >= start && chan->freq + 50 <= end) 1749 chan->flag |= HOSTAPD_CHAN_VHT_110_50; 1750 1751 if (chan->freq - 130 >= start && chan->freq + 30 <= end) 1752 chan->flag |= HOSTAPD_CHAN_VHT_130_30; 1753 1754 if (chan->freq - 150 >= start && chan->freq + 10 <= end) 1755 chan->flag |= HOSTAPD_CHAN_VHT_150_10; 1756 } 1757 } 1758 } 1759 1760 1761 static void nl80211_reg_rule_vht(struct nlattr *tb[], 1762 struct phy_info_arg *results) 1763 { 1764 u32 start, end, max_bw; 1765 u16 m; 1766 1767 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1768 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 1769 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 1770 return; 1771 1772 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1773 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1774 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1775 1776 if (max_bw < 80) 1777 return; 1778 1779 for (m = 0; m < *results->num_modes; m++) { 1780 if (!(results->modes[m].ht_capab & 1781 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1782 continue; 1783 /* TODO: use a real VHT support indication */ 1784 if (!results->modes[m].vht_capab) 1785 continue; 1786 1787 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw); 1788 } 1789 } 1790 1791 1792 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region, 1793 u8 *dfs_domain) 1794 { 1795 if (region == NL80211_DFS_FCC) 1796 *dfs_domain = HOSTAPD_DFS_REGION_FCC; 1797 else if (region == NL80211_DFS_ETSI) 1798 *dfs_domain = HOSTAPD_DFS_REGION_ETSI; 1799 else if (region == NL80211_DFS_JP) 1800 *dfs_domain = HOSTAPD_DFS_REGION_JP; 1801 else 1802 *dfs_domain = 0; 1803 } 1804 1805 1806 static const char * dfs_domain_name(enum nl80211_dfs_regions region) 1807 { 1808 switch (region) { 1809 case NL80211_DFS_UNSET: 1810 return "DFS-UNSET"; 1811 case NL80211_DFS_FCC: 1812 return "DFS-FCC"; 1813 case NL80211_DFS_ETSI: 1814 return "DFS-ETSI"; 1815 case NL80211_DFS_JP: 1816 return "DFS-JP"; 1817 default: 1818 return "DFS-invalid"; 1819 } 1820 } 1821 1822 1823 static int nl80211_get_reg(struct nl_msg *msg, void *arg) 1824 { 1825 struct phy_info_arg *results = arg; 1826 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 1827 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1828 struct nlattr *nl_rule; 1829 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; 1830 int rem_rule; 1831 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 1832 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, 1833 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, 1834 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, 1835 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, 1836 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, 1837 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, 1838 }; 1839 1840 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1841 genlmsg_attrlen(gnlh, 0), NULL); 1842 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || 1843 !tb_msg[NL80211_ATTR_REG_RULES]) { 1844 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " 1845 "available"); 1846 return NL_SKIP; 1847 } 1848 1849 if (tb_msg[NL80211_ATTR_DFS_REGION]) { 1850 enum nl80211_dfs_regions dfs_domain; 1851 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]); 1852 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain); 1853 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)", 1854 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 1855 dfs_domain_name(dfs_domain)); 1856 } else { 1857 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", 1858 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); 1859 } 1860 1861 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 1862 { 1863 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0; 1864 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 1865 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 1866 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1867 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL) 1868 continue; 1869 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1870 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1871 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 1872 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100; 1873 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) 1874 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1875 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS]) 1876 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]); 1877 1878 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s", 1879 start, end, max_bw, max_eirp, 1880 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "", 1881 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "", 1882 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "", 1883 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" : 1884 "", 1885 flags & NL80211_RRF_DFS ? " (DFS)" : "", 1886 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "", 1887 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "", 1888 flags & NL80211_RRF_NO_IR ? " (no IR)" : ""); 1889 if (max_bw >= 40) 1890 nl80211_reg_rule_ht40(start, end, results); 1891 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 1892 nl80211_reg_rule_max_eirp(start, end, max_eirp, 1893 results); 1894 } 1895 1896 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 1897 { 1898 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 1899 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 1900 nl80211_reg_rule_sec(tb_rule, results); 1901 } 1902 1903 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 1904 { 1905 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 1906 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 1907 nl80211_reg_rule_vht(tb_rule, results); 1908 } 1909 1910 return NL_SKIP; 1911 } 1912 1913 1914 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv, 1915 struct phy_info_arg *results) 1916 { 1917 struct nl_msg *msg; 1918 1919 msg = nlmsg_alloc(); 1920 if (!msg) 1921 return -ENOMEM; 1922 1923 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); 1924 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) { 1925 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) { 1926 nlmsg_free(msg); 1927 return -1; 1928 } 1929 } 1930 1931 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results); 1932 } 1933 1934 1935 struct hostapd_hw_modes * 1936 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, 1937 u8 *dfs_domain) 1938 { 1939 u32 feat; 1940 struct i802_bss *bss = priv; 1941 struct wpa_driver_nl80211_data *drv = bss->drv; 1942 int nl_flags = 0; 1943 struct nl_msg *msg; 1944 struct phy_info_arg result = { 1945 .num_modes = num_modes, 1946 .modes = NULL, 1947 .last_mode = -1, 1948 .failed = 0, 1949 .dfs_domain = 0, 1950 }; 1951 1952 *num_modes = 0; 1953 *flags = 0; 1954 *dfs_domain = 0; 1955 1956 feat = get_nl80211_protocol_features(drv); 1957 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 1958 nl_flags = NLM_F_DUMP; 1959 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) || 1960 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 1961 nlmsg_free(msg); 1962 return NULL; 1963 } 1964 1965 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) { 1966 nl80211_set_regulatory_flags(drv, &result); 1967 if (result.failed) { 1968 int i; 1969 1970 for (i = 0; result.modes && i < *num_modes; i++) { 1971 os_free(result.modes[i].channels); 1972 os_free(result.modes[i].rates); 1973 } 1974 os_free(result.modes); 1975 *num_modes = 0; 1976 return NULL; 1977 } 1978 1979 *dfs_domain = result.dfs_domain; 1980 1981 return wpa_driver_nl80211_postprocess_modes(result.modes, 1982 num_modes); 1983 } 1984 1985 return NULL; 1986 } 1987