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 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK; 408 if (ext_feature_isset(ext_features, len, 409 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) 410 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X; 411 412 if (ext_feature_isset(ext_features, len, 413 NL80211_EXT_FEATURE_MFP_OPTIONAL)) 414 capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL; 415 416 if (ext_feature_isset(ext_features, len, 417 NL80211_EXT_FEATURE_DFS_OFFLOAD)) 418 capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; 419 420 #ifdef CONFIG_MBO 421 if (ext_feature_isset(ext_features, len, 422 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) && 423 ext_feature_isset(ext_features, len, 424 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) && 425 ext_feature_isset(ext_features, len, 426 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) && 427 ext_feature_isset( 428 ext_features, len, 429 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION)) 430 capa->flags |= WPA_DRIVER_FLAGS_OCE_STA; 431 #endif /* CONFIG_MBO */ 432 433 if (ext_feature_isset(ext_features, len, 434 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER)) 435 capa->flags |= WPA_DRIVER_FLAGS_FTM_RESPONDER; 436 } 437 438 439 static void wiphy_info_feature_flags(struct wiphy_info_data *info, 440 struct nlattr *tb) 441 { 442 u32 flags; 443 struct wpa_driver_capa *capa = info->capa; 444 445 if (tb == NULL) 446 return; 447 448 flags = nla_get_u32(tb); 449 450 if (flags & NL80211_FEATURE_SK_TX_STATUS) 451 info->data_tx_status = 1; 452 453 if (flags & NL80211_FEATURE_INACTIVITY_TIMER) 454 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER; 455 456 if (flags & NL80211_FEATURE_SAE) 457 capa->flags |= WPA_DRIVER_FLAGS_SAE; 458 459 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN) 460 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN; 461 462 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE) 463 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX; 464 465 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) { 466 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch"); 467 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH; 468 } 469 470 if (flags & NL80211_FEATURE_P2P_GO_CTWIN) 471 info->p2p_go_ctwindow_supported = 1; 472 473 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN) 474 info->have_low_prio_scan = 1; 475 476 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR) 477 info->mac_addr_rand_scan_supported = 1; 478 479 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR) 480 info->mac_addr_rand_sched_scan_supported = 1; 481 482 if (flags & NL80211_FEATURE_STATIC_SMPS) 483 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC; 484 485 if (flags & NL80211_FEATURE_DYNAMIC_SMPS) 486 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC; 487 488 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) 489 info->wmm_ac_supported = 1; 490 491 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) 492 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES; 493 494 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES) 495 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES; 496 497 if (flags & NL80211_FEATURE_QUIET) 498 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET; 499 500 if (flags & NL80211_FEATURE_TX_POWER_INSERTION) 501 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION; 502 503 if (flags & NL80211_FEATURE_HT_IBSS) 504 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS; 505 506 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE) 507 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE; 508 } 509 510 511 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa, 512 struct nlattr *tb) 513 { 514 u32 protocols; 515 516 if (tb == NULL) 517 return; 518 519 protocols = nla_get_u32(tb); 520 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP " 521 "mode"); 522 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; 523 capa->probe_resp_offloads = probe_resp_offload_support(protocols); 524 } 525 526 527 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa, 528 struct nlattr *tb) 529 { 530 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1]; 531 532 if (tb == NULL) 533 return; 534 535 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG, 536 tb, NULL)) 537 return; 538 539 if (triggers[NL80211_WOWLAN_TRIG_ANY]) 540 capa->wowlan_triggers.any = 1; 541 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT]) 542 capa->wowlan_triggers.disconnect = 1; 543 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT]) 544 capa->wowlan_triggers.magic_pkt = 1; 545 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) 546 capa->wowlan_triggers.gtk_rekey_failure = 1; 547 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) 548 capa->wowlan_triggers.eap_identity_req = 1; 549 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) 550 capa->wowlan_triggers.four_way_handshake = 1; 551 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) 552 capa->wowlan_triggers.rfkill_release = 1; 553 } 554 555 556 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv, 557 struct nlattr *tb) 558 { 559 int rem = 0, i; 560 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr; 561 562 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) 563 return; 564 565 nla_for_each_nested(attr, tb, rem) { 566 unsigned int len; 567 struct drv_nl80211_ext_capa *capa; 568 569 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr), 570 nla_len(attr), NULL); 571 572 if (!tb1[NL80211_ATTR_IFTYPE] || 573 !tb1[NL80211_ATTR_EXT_CAPA] || 574 !tb1[NL80211_ATTR_EXT_CAPA_MASK]) 575 continue; 576 577 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa]; 578 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]); 579 wpa_printf(MSG_DEBUG, 580 "nl80211: Driver-advertised extended capabilities for interface type %s", 581 nl80211_iftype_str(capa->iftype)); 582 583 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]); 584 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]), 585 len); 586 if (!capa->ext_capa) 587 goto err; 588 589 capa->ext_capa_len = len; 590 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities", 591 capa->ext_capa, capa->ext_capa_len); 592 593 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]); 594 capa->ext_capa_mask = 595 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]), 596 len); 597 if (!capa->ext_capa_mask) 598 goto err; 599 600 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask", 601 capa->ext_capa_mask, capa->ext_capa_len); 602 603 drv->num_iface_ext_capa++; 604 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) 605 break; 606 } 607 608 return; 609 610 err: 611 /* Cleanup allocated memory on error */ 612 for (i = 0; i < NL80211_IFTYPE_MAX; i++) { 613 os_free(drv->iface_ext_capa[i].ext_capa); 614 drv->iface_ext_capa[i].ext_capa = NULL; 615 os_free(drv->iface_ext_capa[i].ext_capa_mask); 616 drv->iface_ext_capa[i].ext_capa_mask = NULL; 617 drv->iface_ext_capa[i].ext_capa_len = 0; 618 } 619 drv->num_iface_ext_capa = 0; 620 } 621 622 623 static int wiphy_info_handler(struct nl_msg *msg, void *arg) 624 { 625 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 626 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 627 struct wiphy_info_data *info = arg; 628 struct wpa_driver_capa *capa = info->capa; 629 struct wpa_driver_nl80211_data *drv = info->drv; 630 631 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 632 genlmsg_attrlen(gnlh, 0), NULL); 633 634 if (tb[NL80211_ATTR_WIPHY]) 635 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); 636 637 if (tb[NL80211_ATTR_WIPHY_NAME]) 638 os_strlcpy(drv->phyname, 639 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]), 640 sizeof(drv->phyname)); 641 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) 642 capa->max_scan_ssids = 643 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]); 644 645 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]) 646 capa->max_sched_scan_ssids = 647 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]); 648 649 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] && 650 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] && 651 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) { 652 capa->max_sched_scan_plans = 653 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]); 654 655 capa->max_sched_scan_plan_interval = 656 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]); 657 658 capa->max_sched_scan_plan_iterations = 659 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]); 660 } 661 662 if (tb[NL80211_ATTR_MAX_MATCH_SETS]) 663 capa->max_match_sets = 664 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); 665 666 if (tb[NL80211_ATTR_MAC_ACL_MAX]) 667 capa->max_acl_mac_addrs = 668 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]); 669 670 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]); 671 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]); 672 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]); 673 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]); 674 675 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) { 676 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based " 677 "off-channel TX"); 678 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX; 679 } 680 681 if (tb[NL80211_ATTR_ROAM_SUPPORT]) { 682 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming"); 683 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; 684 } 685 686 wiphy_info_max_roc(capa, 687 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]); 688 689 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD]) 690 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD; 691 692 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT], 693 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]); 694 695 if (tb[NL80211_ATTR_DEVICE_AP_SME]) 696 info->device_ap_sme = 1; 697 698 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]); 699 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]); 700 wiphy_info_probe_resp_offload(capa, 701 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); 702 703 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] && 704 drv->extended_capa == NULL) { 705 drv->extended_capa = 706 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); 707 if (drv->extended_capa) { 708 os_memcpy(drv->extended_capa, 709 nla_data(tb[NL80211_ATTR_EXT_CAPA]), 710 nla_len(tb[NL80211_ATTR_EXT_CAPA])); 711 drv->extended_capa_len = 712 nla_len(tb[NL80211_ATTR_EXT_CAPA]); 713 wpa_hexdump(MSG_DEBUG, 714 "nl80211: Driver-advertised extended capabilities (default)", 715 drv->extended_capa, drv->extended_capa_len); 716 } 717 drv->extended_capa_mask = 718 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); 719 if (drv->extended_capa_mask) { 720 os_memcpy(drv->extended_capa_mask, 721 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]), 722 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); 723 wpa_hexdump(MSG_DEBUG, 724 "nl80211: Driver-advertised extended capabilities mask (default)", 725 drv->extended_capa_mask, 726 drv->extended_capa_len); 727 } else { 728 os_free(drv->extended_capa); 729 drv->extended_capa = NULL; 730 drv->extended_capa_len = 0; 731 } 732 } 733 734 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]); 735 736 if (tb[NL80211_ATTR_VENDOR_DATA]) { 737 struct nlattr *nl; 738 int rem; 739 740 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) { 741 struct nl80211_vendor_cmd_info *vinfo; 742 if (nla_len(nl) != sizeof(*vinfo)) { 743 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); 744 continue; 745 } 746 vinfo = nla_data(nl); 747 if (vinfo->vendor_id == OUI_QCA) { 748 switch (vinfo->subcmd) { 749 case QCA_NL80211_VENDOR_SUBCMD_TEST: 750 drv->vendor_cmd_test_avail = 1; 751 break; 752 #ifdef CONFIG_DRIVER_NL80211_QCA 753 case QCA_NL80211_VENDOR_SUBCMD_ROAMING: 754 drv->roaming_vendor_cmd_avail = 1; 755 break; 756 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY: 757 drv->dfs_vendor_cmd_avail = 1; 758 break; 759 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES: 760 drv->get_features_vendor_cmd_avail = 1; 761 break; 762 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST: 763 drv->get_pref_freq_list = 1; 764 break; 765 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL: 766 drv->set_prob_oper_freq = 1; 767 break; 768 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS: 769 drv->capa.flags |= 770 WPA_DRIVER_FLAGS_ACS_OFFLOAD; 771 break; 772 case QCA_NL80211_VENDOR_SUBCMD_SETBAND: 773 drv->setband_vendor_cmd_avail = 1; 774 break; 775 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN: 776 drv->scan_vendor_cmd_avail = 1; 777 break; 778 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION: 779 drv->set_wifi_conf_vendor_cmd_avail = 1; 780 break; 781 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS: 782 drv->fetch_bss_trans_status = 1; 783 break; 784 case QCA_NL80211_VENDOR_SUBCMD_ROAM: 785 drv->roam_vendor_cmd_avail = 1; 786 break; 787 case QCA_NL80211_VENDOR_SUBCMD_GET_SUPPORTED_AKMS: 788 drv->get_supported_akm_suites_avail = 1; 789 break; 790 #endif /* CONFIG_DRIVER_NL80211_QCA */ 791 } 792 } 793 794 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u", 795 vinfo->vendor_id, vinfo->subcmd); 796 } 797 } 798 799 if (tb[NL80211_ATTR_VENDOR_EVENTS]) { 800 struct nlattr *nl; 801 int rem; 802 803 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) { 804 struct nl80211_vendor_cmd_info *vinfo; 805 if (nla_len(nl) != sizeof(*vinfo)) { 806 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); 807 continue; 808 } 809 vinfo = nla_data(nl); 810 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u", 811 vinfo->vendor_id, vinfo->subcmd); 812 } 813 } 814 815 wiphy_info_wowlan_triggers(capa, 816 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]); 817 818 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA]) 819 capa->max_stations = 820 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]); 821 822 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS]) 823 capa->max_csa_counters = 824 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]); 825 826 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG]) 827 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY; 828 829 return NL_SKIP; 830 } 831 832 833 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, 834 struct wiphy_info_data *info) 835 { 836 u32 feat; 837 struct nl_msg *msg; 838 int flags = 0; 839 840 os_memset(info, 0, sizeof(*info)); 841 info->capa = &drv->capa; 842 info->drv = drv; 843 844 feat = get_nl80211_protocol_features(drv); 845 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 846 flags = NLM_F_DUMP; 847 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY); 848 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 849 nlmsg_free(msg); 850 return -1; 851 } 852 853 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info)) 854 return -1; 855 856 if (info->auth_supported) 857 drv->capa.flags |= WPA_DRIVER_FLAGS_SME; 858 else if (!info->connect_supported) { 859 wpa_printf(MSG_INFO, "nl80211: Driver does not support " 860 "authentication/association or connect commands"); 861 info->error = 1; 862 } 863 864 if (info->p2p_go_supported && info->p2p_client_supported) 865 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; 866 if (info->p2p_concurrent) { 867 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " 868 "interface (driver advertised support)"); 869 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; 870 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; 871 } 872 if (info->num_multichan_concurrent > 1) { 873 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " 874 "concurrent (driver advertised support)"); 875 drv->capa.num_multichan_concurrent = 876 info->num_multichan_concurrent; 877 } 878 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) 879 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support"); 880 881 /* default to 5000 since early versions of mac80211 don't set it */ 882 if (!drv->capa.max_remain_on_chan) 883 drv->capa.max_remain_on_chan = 5000; 884 885 drv->capa.wmm_ac_supported = info->wmm_ac_supported; 886 887 drv->capa.mac_addr_rand_sched_scan_supported = 888 info->mac_addr_rand_sched_scan_supported; 889 drv->capa.mac_addr_rand_scan_supported = 890 info->mac_addr_rand_scan_supported; 891 892 if (info->channel_switch_supported) { 893 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA; 894 if (!drv->capa.max_csa_counters) 895 drv->capa.max_csa_counters = 1; 896 } 897 898 if (!drv->capa.max_sched_scan_plans) { 899 drv->capa.max_sched_scan_plans = 1; 900 drv->capa.max_sched_scan_plan_interval = UINT32_MAX; 901 drv->capa.max_sched_scan_plan_iterations = 0; 902 } 903 904 return 0; 905 } 906 907 908 #ifdef CONFIG_DRIVER_NL80211_QCA 909 910 static int dfs_info_handler(struct nl_msg *msg, void *arg) 911 { 912 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 913 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 914 int *dfs_capability_ptr = arg; 915 916 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 917 genlmsg_attrlen(gnlh, 0), NULL); 918 919 if (tb[NL80211_ATTR_VENDOR_DATA]) { 920 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 921 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 922 923 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 924 nla_data(nl_vend), nla_len(nl_vend), NULL); 925 926 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) { 927 u32 val; 928 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]); 929 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u", 930 val); 931 *dfs_capability_ptr = val; 932 } 933 } 934 935 return NL_SKIP; 936 } 937 938 939 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv) 940 { 941 struct nl_msg *msg; 942 int dfs_capability = 0; 943 int ret; 944 945 if (!drv->dfs_vendor_cmd_avail) 946 return; 947 948 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 949 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 950 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 951 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) { 952 nlmsg_free(msg); 953 return; 954 } 955 956 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability); 957 if (!ret && dfs_capability) 958 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; 959 } 960 961 962 static unsigned int get_akm_suites_info(struct nlattr *tb) 963 { 964 int i, num; 965 unsigned int key_mgmt = 0; 966 u32 *akms; 967 968 if (!tb) 969 return 0; 970 971 num = nla_len(tb) / sizeof(u32); 972 akms = nla_data(tb); 973 for (i = 0; i < num; i++) { 974 u32 a = akms[i]; 975 976 wpa_printf(MSG_DEBUG, 977 "nl80211: Supported AKM %02x-%02x-%02x:%u", 978 a >> 24, (a >> 16) & 0xff, 979 (a >> 8) & 0xff, a & 0xff); 980 switch (a) { 981 case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X: 982 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA | 983 WPA_DRIVER_CAPA_KEY_MGMT_WPA2; 984 break; 985 case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X: 986 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | 987 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; 988 break; 989 case RSN_AUTH_KEY_MGMT_FT_802_1X: 990 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT; 991 break; 992 case RSN_AUTH_KEY_MGMT_FT_PSK: 993 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; 994 break; 995 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B: 996 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B; 997 break; 998 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192: 999 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192; 1000 break; 1001 case RSN_AUTH_KEY_MGMT_OWE: 1002 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE; 1003 break; 1004 case RSN_AUTH_KEY_MGMT_DPP: 1005 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP; 1006 break; 1007 case RSN_AUTH_KEY_MGMT_FILS_SHA256: 1008 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256; 1009 break; 1010 case RSN_AUTH_KEY_MGMT_FILS_SHA384: 1011 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; 1012 break; 1013 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256: 1014 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256; 1015 break; 1016 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384: 1017 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384; 1018 break; 1019 case RSN_AUTH_KEY_MGMT_SAE: 1020 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE; 1021 break; 1022 } 1023 } 1024 1025 return key_mgmt; 1026 } 1027 1028 1029 static int get_akm_suites_handler(struct nl_msg *msg, void *arg) 1030 { 1031 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 1032 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1033 unsigned int *key_mgmt = arg; 1034 1035 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1036 genlmsg_attrlen(gnlh, 0), NULL); 1037 1038 if (tb[NL80211_ATTR_VENDOR_DATA]) { 1039 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 1040 struct nlattr *tb_data[NL80211_ATTR_MAX + 1]; 1041 1042 nla_parse(tb_data, NL80211_ATTR_MAX, 1043 nla_data(nl_vend), nla_len(nl_vend), NULL); 1044 1045 *key_mgmt = 1046 get_akm_suites_info(tb_data[NL80211_ATTR_AKM_SUITES]); 1047 } 1048 1049 return NL_SKIP; 1050 } 1051 1052 1053 static int qca_nl80211_get_akm_suites(struct wpa_driver_nl80211_data *drv) 1054 { 1055 struct nl_msg *msg; 1056 unsigned int key_mgmt = 0; 1057 int ret; 1058 1059 if (!drv->get_supported_akm_suites_avail) 1060 return -1; 1061 1062 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1063 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1064 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1065 QCA_NL80211_VENDOR_SUBCMD_GET_SUPPORTED_AKMS)) { 1066 nlmsg_free(msg); 1067 return -1; 1068 } 1069 1070 ret = send_and_recv_msgs(drv, msg, get_akm_suites_handler, &key_mgmt); 1071 if (!ret) { 1072 wpa_printf(MSG_DEBUG, 1073 "nl80211: Replace capa.key_mgmt based on driver advertised capabilities: 0x%x", 1074 key_mgmt); 1075 drv->capa.key_mgmt = key_mgmt; 1076 } 1077 1078 return ret; 1079 } 1080 1081 1082 struct features_info { 1083 u8 *flags; 1084 size_t flags_len; 1085 struct wpa_driver_capa *capa; 1086 }; 1087 1088 1089 static int features_info_handler(struct nl_msg *msg, void *arg) 1090 { 1091 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 1092 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1093 struct features_info *info = arg; 1094 struct nlattr *nl_vend, *attr; 1095 1096 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1097 genlmsg_attrlen(gnlh, 0), NULL); 1098 1099 nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 1100 if (nl_vend) { 1101 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 1102 1103 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 1104 nla_data(nl_vend), nla_len(nl_vend), NULL); 1105 1106 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS]; 1107 if (attr) { 1108 int len = nla_len(attr); 1109 info->flags = os_malloc(len); 1110 if (info->flags != NULL) { 1111 os_memcpy(info->flags, nla_data(attr), len); 1112 info->flags_len = len; 1113 } 1114 } 1115 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA]; 1116 if (attr) 1117 info->capa->conc_capab = nla_get_u32(attr); 1118 1119 attr = tb_vendor[ 1120 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND]; 1121 if (attr) 1122 info->capa->max_conc_chan_2_4 = nla_get_u32(attr); 1123 1124 attr = tb_vendor[ 1125 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND]; 1126 if (attr) 1127 info->capa->max_conc_chan_5_0 = nla_get_u32(attr); 1128 } 1129 1130 return NL_SKIP; 1131 } 1132 1133 1134 static int check_feature(enum qca_wlan_vendor_features feature, 1135 struct features_info *info) 1136 { 1137 size_t idx = feature / 8; 1138 1139 return (idx < info->flags_len) && 1140 (info->flags[idx] & BIT(feature % 8)); 1141 } 1142 1143 1144 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv) 1145 { 1146 struct nl_msg *msg; 1147 struct features_info info; 1148 int ret; 1149 1150 if (!drv->get_features_vendor_cmd_avail) 1151 return; 1152 1153 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1154 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1155 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1156 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) { 1157 nlmsg_free(msg); 1158 return; 1159 } 1160 1161 os_memset(&info, 0, sizeof(info)); 1162 info.capa = &drv->capa; 1163 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info); 1164 if (ret || !info.flags) 1165 return; 1166 1167 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info)) 1168 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD; 1169 1170 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info)) 1171 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY; 1172 1173 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS, 1174 &info)) 1175 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1176 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info)) 1177 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD; 1178 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info)) 1179 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA; 1180 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info)) 1181 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP; 1182 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info)) 1183 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON; 1184 os_free(info.flags); 1185 } 1186 1187 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1188 1189 1190 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) 1191 { 1192 struct wiphy_info_data info; 1193 if (wpa_driver_nl80211_get_info(drv, &info)) 1194 return -1; 1195 1196 if (info.error) 1197 return -1; 1198 1199 drv->has_capability = 1; 1200 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | 1201 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | 1202 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | 1203 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK | 1204 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B | 1205 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192 | 1206 WPA_DRIVER_CAPA_KEY_MGMT_OWE | 1207 WPA_DRIVER_CAPA_KEY_MGMT_DPP; 1208 1209 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) 1210 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1211 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 | 1212 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 | 1213 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 | 1214 WPA_DRIVER_CAPA_KEY_MGMT_SAE; 1215 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD) 1216 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1217 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; 1218 1219 #ifdef CONFIG_DRIVER_NL80211_QCA 1220 /* Override drv->capa.key_mgmt based on driver advertised capability 1221 * constraints, if available. */ 1222 qca_nl80211_get_akm_suites(drv); 1223 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1224 1225 drv->capa.auth = WPA_DRIVER_AUTH_OPEN | 1226 WPA_DRIVER_AUTH_SHARED | 1227 WPA_DRIVER_AUTH_LEAP; 1228 1229 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES; 1230 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; 1231 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1232 1233 /* 1234 * As all cfg80211 drivers must support cases where the AP interface is 1235 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in 1236 * case that the user space daemon has crashed, they must be able to 1237 * cleanup all stations and key entries in the AP tear down flow. Thus, 1238 * this flag can/should always be set for cfg80211 drivers. 1239 */ 1240 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT; 1241 1242 if (!info.device_ap_sme) { 1243 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; 1244 1245 /* 1246 * No AP SME is currently assumed to also indicate no AP MLME 1247 * in the driver/firmware. 1248 */ 1249 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; 1250 } 1251 1252 drv->device_ap_sme = info.device_ap_sme; 1253 drv->poll_command_supported = info.poll_command_supported; 1254 drv->data_tx_status = info.data_tx_status; 1255 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported; 1256 if (info.set_qos_map_supported) 1257 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING; 1258 drv->have_low_prio_scan = info.have_low_prio_scan; 1259 1260 /* 1261 * If poll command and tx status are supported, mac80211 is new enough 1262 * to have everything we need to not need monitor interfaces. 1263 */ 1264 drv->use_monitor = !info.device_ap_sme && 1265 (!info.poll_command_supported || !info.data_tx_status); 1266 1267 /* 1268 * If we aren't going to use monitor interfaces, but the 1269 * driver doesn't support data TX status, we won't get TX 1270 * status for EAPOL frames. 1271 */ 1272 if (!drv->use_monitor && !info.data_tx_status) 1273 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1274 1275 #ifdef CONFIG_DRIVER_NL80211_QCA 1276 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)) 1277 qca_nl80211_check_dfs_capa(drv); 1278 qca_nl80211_get_features(drv); 1279 1280 /* 1281 * To enable offchannel simultaneous support in wpa_supplicant, the 1282 * underlying driver needs to support the same along with offchannel TX. 1283 * Offchannel TX support is needed since remain_on_channel and 1284 * action_tx use some common data structures and hence cannot be 1285 * scheduled simultaneously. 1286 */ 1287 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX)) 1288 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1289 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1290 1291 return 0; 1292 } 1293 1294 1295 struct phy_info_arg { 1296 u16 *num_modes; 1297 struct hostapd_hw_modes *modes; 1298 int last_mode, last_chan_idx; 1299 int failed; 1300 u8 dfs_domain; 1301 }; 1302 1303 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa, 1304 struct nlattr *ampdu_factor, 1305 struct nlattr *ampdu_density, 1306 struct nlattr *mcs_set) 1307 { 1308 if (capa) 1309 mode->ht_capab = nla_get_u16(capa); 1310 1311 if (ampdu_factor) 1312 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03; 1313 1314 if (ampdu_density) 1315 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2; 1316 1317 if (mcs_set && nla_len(mcs_set) >= 16) { 1318 u8 *mcs; 1319 mcs = nla_data(mcs_set); 1320 os_memcpy(mode->mcs_set, mcs, 16); 1321 } 1322 } 1323 1324 1325 static void phy_info_vht_capa(struct hostapd_hw_modes *mode, 1326 struct nlattr *capa, 1327 struct nlattr *mcs_set) 1328 { 1329 if (capa) 1330 mode->vht_capab = nla_get_u32(capa); 1331 1332 if (mcs_set && nla_len(mcs_set) >= 8) { 1333 u8 *mcs; 1334 mcs = nla_data(mcs_set); 1335 os_memcpy(mode->vht_mcs_set, mcs, 8); 1336 } 1337 } 1338 1339 1340 static void phy_info_freq(struct hostapd_hw_modes *mode, 1341 struct hostapd_channel_data *chan, 1342 struct nlattr *tb_freq[]) 1343 { 1344 u8 channel; 1345 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); 1346 chan->flag = 0; 1347 chan->allowed_bw = ~0; 1348 chan->dfs_cac_ms = 0; 1349 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES) 1350 chan->chan = channel; 1351 1352 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) 1353 chan->flag |= HOSTAPD_CHAN_DISABLED; 1354 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR]) 1355 chan->flag |= HOSTAPD_CHAN_NO_IR; 1356 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) 1357 chan->flag |= HOSTAPD_CHAN_RADAR; 1358 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY]) 1359 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY; 1360 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT]) 1361 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT; 1362 1363 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ]) 1364 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10; 1365 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ]) 1366 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20; 1367 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS]) 1368 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P; 1369 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS]) 1370 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M; 1371 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ]) 1372 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80; 1373 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ]) 1374 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160; 1375 1376 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { 1377 enum nl80211_dfs_state state = 1378 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); 1379 1380 switch (state) { 1381 case NL80211_DFS_USABLE: 1382 chan->flag |= HOSTAPD_CHAN_DFS_USABLE; 1383 break; 1384 case NL80211_DFS_AVAILABLE: 1385 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE; 1386 break; 1387 case NL80211_DFS_UNAVAILABLE: 1388 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE; 1389 break; 1390 } 1391 } 1392 1393 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) { 1394 chan->dfs_cac_ms = nla_get_u32( 1395 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]); 1396 } 1397 1398 chan->wmm_rules_valid = 0; 1399 if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) { 1400 static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = { 1401 [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 }, 1402 [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 }, 1403 [NL80211_WMMR_AIFSN] = { .type = NLA_U8 }, 1404 [NL80211_WMMR_TXOP] = { .type = NLA_U16 }, 1405 }; 1406 struct nlattr *nl_wmm; 1407 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1]; 1408 int rem_wmm, ac, count = 0; 1409 1410 nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM], 1411 rem_wmm) { 1412 if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm, 1413 wmm_policy)) { 1414 wpa_printf(MSG_DEBUG, 1415 "nl80211: Failed to parse WMM rules attribute"); 1416 return; 1417 } 1418 if (!tb_wmm[NL80211_WMMR_CW_MIN] || 1419 !tb_wmm[NL80211_WMMR_CW_MAX] || 1420 !tb_wmm[NL80211_WMMR_AIFSN] || 1421 !tb_wmm[NL80211_WMMR_TXOP]) { 1422 wpa_printf(MSG_DEBUG, 1423 "nl80211: Channel is missing WMM rule attribute"); 1424 return; 1425 } 1426 ac = nl_wmm->nla_type; 1427 if (ac < 0 || ac >= WMM_AC_NUM) { 1428 wpa_printf(MSG_DEBUG, 1429 "nl80211: Invalid AC value %d", ac); 1430 return; 1431 } 1432 1433 chan->wmm_rules[ac].min_cwmin = 1434 nla_get_u16(tb_wmm[NL80211_WMMR_CW_MIN]); 1435 chan->wmm_rules[ac].min_cwmax = 1436 nla_get_u16(tb_wmm[NL80211_WMMR_CW_MAX]); 1437 chan->wmm_rules[ac].min_aifs = 1438 nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]); 1439 chan->wmm_rules[ac].max_txop = 1440 nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32; 1441 count++; 1442 } 1443 1444 /* Set valid flag if all the AC rules are present */ 1445 if (count == WMM_AC_NUM) 1446 chan->wmm_rules_valid = 1; 1447 } 1448 } 1449 1450 1451 static int phy_info_freqs(struct phy_info_arg *phy_info, 1452 struct hostapd_hw_modes *mode, struct nlattr *tb) 1453 { 1454 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 1455 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, 1456 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, 1457 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, 1458 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, 1459 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, 1460 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 }, 1461 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG }, 1462 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG }, 1463 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG }, 1464 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG }, 1465 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG }, 1466 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG }, 1467 }; 1468 int new_channels = 0; 1469 struct hostapd_channel_data *channel; 1470 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; 1471 struct nlattr *nl_freq; 1472 int rem_freq, idx; 1473 1474 if (tb == NULL) 1475 return NL_OK; 1476 1477 nla_for_each_nested(nl_freq, tb, rem_freq) { 1478 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1479 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1480 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1481 continue; 1482 new_channels++; 1483 } 1484 1485 channel = os_realloc_array(mode->channels, 1486 mode->num_channels + new_channels, 1487 sizeof(struct hostapd_channel_data)); 1488 if (!channel) 1489 return NL_STOP; 1490 1491 mode->channels = channel; 1492 mode->num_channels += new_channels; 1493 1494 idx = phy_info->last_chan_idx; 1495 1496 nla_for_each_nested(nl_freq, tb, rem_freq) { 1497 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1498 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1499 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1500 continue; 1501 phy_info_freq(mode, &mode->channels[idx], tb_freq); 1502 idx++; 1503 } 1504 phy_info->last_chan_idx = idx; 1505 1506 return NL_OK; 1507 } 1508 1509 1510 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb) 1511 { 1512 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { 1513 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, 1514 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = 1515 { .type = NLA_FLAG }, 1516 }; 1517 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; 1518 struct nlattr *nl_rate; 1519 int rem_rate, idx; 1520 1521 if (tb == NULL) 1522 return NL_OK; 1523 1524 nla_for_each_nested(nl_rate, tb, rem_rate) { 1525 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1526 nla_data(nl_rate), nla_len(nl_rate), 1527 rate_policy); 1528 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1529 continue; 1530 mode->num_rates++; 1531 } 1532 1533 mode->rates = os_calloc(mode->num_rates, sizeof(int)); 1534 if (!mode->rates) 1535 return NL_STOP; 1536 1537 idx = 0; 1538 1539 nla_for_each_nested(nl_rate, tb, rem_rate) { 1540 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1541 nla_data(nl_rate), nla_len(nl_rate), 1542 rate_policy); 1543 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1544 continue; 1545 mode->rates[idx] = nla_get_u32( 1546 tb_rate[NL80211_BITRATE_ATTR_RATE]); 1547 idx++; 1548 } 1549 1550 return NL_OK; 1551 } 1552 1553 1554 static void phy_info_iftype_copy(struct he_capabilities *he_capab, 1555 enum ieee80211_op_mode opmode, 1556 struct nlattr **tb, struct nlattr **tb_flags) 1557 { 1558 enum nl80211_iftype iftype; 1559 size_t len; 1560 1561 switch (opmode) { 1562 case IEEE80211_MODE_INFRA: 1563 iftype = NL80211_IFTYPE_STATION; 1564 break; 1565 case IEEE80211_MODE_IBSS: 1566 iftype = NL80211_IFTYPE_ADHOC; 1567 break; 1568 case IEEE80211_MODE_AP: 1569 iftype = NL80211_IFTYPE_AP; 1570 break; 1571 case IEEE80211_MODE_MESH: 1572 iftype = NL80211_IFTYPE_MESH_POINT; 1573 break; 1574 default: 1575 return; 1576 } 1577 1578 if (!nla_get_flag(tb_flags[iftype])) 1579 return; 1580 1581 he_capab->he_supported = 1; 1582 1583 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) { 1584 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]); 1585 1586 if (len > sizeof(he_capab->phy_cap)) 1587 len = sizeof(he_capab->phy_cap); 1588 os_memcpy(he_capab->phy_cap, 1589 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]), 1590 len); 1591 } 1592 1593 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) { 1594 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]); 1595 1596 if (len > sizeof(he_capab->mac_cap)) 1597 len = sizeof(he_capab->mac_cap); 1598 os_memcpy(he_capab->mac_cap, 1599 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]), 1600 len); 1601 } 1602 1603 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) { 1604 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]); 1605 1606 if (len > sizeof(he_capab->mcs)) 1607 len = sizeof(he_capab->mcs); 1608 os_memcpy(he_capab->mcs, 1609 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]), 1610 len); 1611 } 1612 1613 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) { 1614 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]); 1615 1616 if (len > sizeof(he_capab->ppet)) 1617 len = sizeof(he_capab->ppet); 1618 os_memcpy(&he_capab->ppet, 1619 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]), 1620 len); 1621 } 1622 } 1623 1624 1625 static int phy_info_iftype(struct hostapd_hw_modes *mode, 1626 struct nlattr *nl_iftype) 1627 { 1628 struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1]; 1629 struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1]; 1630 unsigned int i; 1631 1632 nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX, 1633 nla_data(nl_iftype), nla_len(nl_iftype), NULL); 1634 1635 if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES]) 1636 return NL_STOP; 1637 1638 if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX, 1639 tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL)) 1640 return NL_STOP; 1641 1642 for (i = 0; i < IEEE80211_MODE_NUM; i++) 1643 phy_info_iftype_copy(&mode->he_capab[i], i, tb, tb_flags); 1644 1645 return NL_OK; 1646 } 1647 1648 1649 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band) 1650 { 1651 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; 1652 struct hostapd_hw_modes *mode; 1653 int ret; 1654 1655 if (phy_info->last_mode != nl_band->nla_type) { 1656 mode = os_realloc_array(phy_info->modes, 1657 *phy_info->num_modes + 1, 1658 sizeof(*mode)); 1659 if (!mode) { 1660 phy_info->failed = 1; 1661 return NL_STOP; 1662 } 1663 phy_info->modes = mode; 1664 1665 mode = &phy_info->modes[*(phy_info->num_modes)]; 1666 os_memset(mode, 0, sizeof(*mode)); 1667 mode->mode = NUM_HOSTAPD_MODES; 1668 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN | 1669 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN; 1670 1671 /* 1672 * Unsupported VHT MCS stream is defined as value 3, so the VHT 1673 * MCS RX/TX map must be initialized with 0xffff to mark all 8 1674 * possible streams as unsupported. This will be overridden if 1675 * driver advertises VHT support. 1676 */ 1677 mode->vht_mcs_set[0] = 0xff; 1678 mode->vht_mcs_set[1] = 0xff; 1679 mode->vht_mcs_set[4] = 0xff; 1680 mode->vht_mcs_set[5] = 0xff; 1681 1682 *(phy_info->num_modes) += 1; 1683 phy_info->last_mode = nl_band->nla_type; 1684 phy_info->last_chan_idx = 0; 1685 } else 1686 mode = &phy_info->modes[*(phy_info->num_modes) - 1]; 1687 1688 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), 1689 nla_len(nl_band), NULL); 1690 1691 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA], 1692 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR], 1693 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY], 1694 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]); 1695 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA], 1696 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); 1697 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]); 1698 if (ret == NL_OK) 1699 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]); 1700 if (ret != NL_OK) { 1701 phy_info->failed = 1; 1702 return ret; 1703 } 1704 1705 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) { 1706 struct nlattr *nl_iftype; 1707 int rem_band; 1708 1709 nla_for_each_nested(nl_iftype, 1710 tb_band[NL80211_BAND_ATTR_IFTYPE_DATA], 1711 rem_band) { 1712 ret = phy_info_iftype(mode, nl_iftype); 1713 if (ret != NL_OK) 1714 return ret; 1715 } 1716 } 1717 1718 return NL_OK; 1719 } 1720 1721 1722 static int phy_info_handler(struct nl_msg *msg, void *arg) 1723 { 1724 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 1725 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1726 struct phy_info_arg *phy_info = arg; 1727 struct nlattr *nl_band; 1728 int rem_band; 1729 1730 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1731 genlmsg_attrlen(gnlh, 0), NULL); 1732 1733 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS]) 1734 return NL_SKIP; 1735 1736 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) 1737 { 1738 int res = phy_info_band(phy_info, nl_band); 1739 if (res != NL_OK) 1740 return res; 1741 } 1742 1743 return NL_SKIP; 1744 } 1745 1746 1747 static struct hostapd_hw_modes * 1748 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes, 1749 u16 *num_modes) 1750 { 1751 u16 m; 1752 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode; 1753 int i, mode11g_idx = -1; 1754 1755 /* heuristic to set up modes */ 1756 for (m = 0; m < *num_modes; m++) { 1757 if (!modes[m].num_channels) 1758 continue; 1759 if (modes[m].channels[0].freq < 4000) { 1760 modes[m].mode = HOSTAPD_MODE_IEEE80211B; 1761 for (i = 0; i < modes[m].num_rates; i++) { 1762 if (modes[m].rates[i] > 200) { 1763 modes[m].mode = HOSTAPD_MODE_IEEE80211G; 1764 break; 1765 } 1766 } 1767 } else if (modes[m].channels[0].freq > 50000) 1768 modes[m].mode = HOSTAPD_MODE_IEEE80211AD; 1769 else 1770 modes[m].mode = HOSTAPD_MODE_IEEE80211A; 1771 } 1772 1773 /* If only 802.11g mode is included, use it to construct matching 1774 * 802.11b mode data. */ 1775 1776 for (m = 0; m < *num_modes; m++) { 1777 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B) 1778 return modes; /* 802.11b already included */ 1779 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G) 1780 mode11g_idx = m; 1781 } 1782 1783 if (mode11g_idx < 0) 1784 return modes; /* 2.4 GHz band not supported at all */ 1785 1786 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); 1787 if (nmodes == NULL) 1788 return modes; /* Could not add 802.11b mode */ 1789 1790 mode = &nmodes[*num_modes]; 1791 os_memset(mode, 0, sizeof(*mode)); 1792 (*num_modes)++; 1793 modes = nmodes; 1794 1795 mode->mode = HOSTAPD_MODE_IEEE80211B; 1796 1797 mode11g = &modes[mode11g_idx]; 1798 mode->num_channels = mode11g->num_channels; 1799 mode->channels = os_memdup(mode11g->channels, 1800 mode11g->num_channels * 1801 sizeof(struct hostapd_channel_data)); 1802 if (mode->channels == NULL) { 1803 (*num_modes)--; 1804 return modes; /* Could not add 802.11b mode */ 1805 } 1806 1807 mode->num_rates = 0; 1808 mode->rates = os_malloc(4 * sizeof(int)); 1809 if (mode->rates == NULL) { 1810 os_free(mode->channels); 1811 (*num_modes)--; 1812 return modes; /* Could not add 802.11b mode */ 1813 } 1814 1815 for (i = 0; i < mode11g->num_rates; i++) { 1816 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 && 1817 mode11g->rates[i] != 55 && mode11g->rates[i] != 110) 1818 continue; 1819 mode->rates[mode->num_rates] = mode11g->rates[i]; 1820 mode->num_rates++; 1821 if (mode->num_rates == 4) 1822 break; 1823 } 1824 1825 if (mode->num_rates == 0) { 1826 os_free(mode->channels); 1827 os_free(mode->rates); 1828 (*num_modes)--; 1829 return modes; /* No 802.11b rates */ 1830 } 1831 1832 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g " 1833 "information"); 1834 1835 return modes; 1836 } 1837 1838 1839 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, 1840 int end) 1841 { 1842 int c; 1843 1844 for (c = 0; c < mode->num_channels; c++) { 1845 struct hostapd_channel_data *chan = &mode->channels[c]; 1846 if (chan->freq - 10 >= start && chan->freq + 10 <= end) 1847 chan->flag |= HOSTAPD_CHAN_HT40; 1848 } 1849 } 1850 1851 1852 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, 1853 int end) 1854 { 1855 int c; 1856 1857 for (c = 0; c < mode->num_channels; c++) { 1858 struct hostapd_channel_data *chan = &mode->channels[c]; 1859 if (!(chan->flag & HOSTAPD_CHAN_HT40)) 1860 continue; 1861 if (chan->freq - 30 >= start && chan->freq - 10 <= end) 1862 chan->flag |= HOSTAPD_CHAN_HT40MINUS; 1863 if (chan->freq + 10 >= start && chan->freq + 30 <= end) 1864 chan->flag |= HOSTAPD_CHAN_HT40PLUS; 1865 } 1866 } 1867 1868 1869 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp, 1870 struct phy_info_arg *results) 1871 { 1872 u16 m; 1873 1874 for (m = 0; m < *results->num_modes; m++) { 1875 int c; 1876 struct hostapd_hw_modes *mode = &results->modes[m]; 1877 1878 for (c = 0; c < mode->num_channels; c++) { 1879 struct hostapd_channel_data *chan = &mode->channels[c]; 1880 if ((u32) chan->freq - 10 >= start && 1881 (u32) chan->freq + 10 <= end) 1882 chan->max_tx_power = max_eirp; 1883 } 1884 } 1885 } 1886 1887 1888 static void nl80211_reg_rule_ht40(u32 start, u32 end, 1889 struct phy_info_arg *results) 1890 { 1891 u16 m; 1892 1893 for (m = 0; m < *results->num_modes; m++) { 1894 if (!(results->modes[m].ht_capab & 1895 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1896 continue; 1897 nl80211_set_ht40_mode(&results->modes[m], start, end); 1898 } 1899 } 1900 1901 1902 static void nl80211_reg_rule_sec(struct nlattr *tb[], 1903 struct phy_info_arg *results) 1904 { 1905 u32 start, end, max_bw; 1906 u16 m; 1907 1908 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1909 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 1910 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 1911 return; 1912 1913 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1914 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1915 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1916 1917 if (max_bw < 20) 1918 return; 1919 1920 for (m = 0; m < *results->num_modes; m++) { 1921 if (!(results->modes[m].ht_capab & 1922 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1923 continue; 1924 nl80211_set_ht40_mode_sec(&results->modes[m], start, end); 1925 } 1926 } 1927 1928 1929 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start, 1930 int end, int max_bw) 1931 { 1932 int c; 1933 1934 for (c = 0; c < mode->num_channels; c++) { 1935 struct hostapd_channel_data *chan = &mode->channels[c]; 1936 if (chan->freq - 10 >= start && chan->freq + 70 <= end) 1937 chan->flag |= HOSTAPD_CHAN_VHT_10_70; 1938 1939 if (chan->freq - 30 >= start && chan->freq + 50 <= end) 1940 chan->flag |= HOSTAPD_CHAN_VHT_30_50; 1941 1942 if (chan->freq - 50 >= start && chan->freq + 30 <= end) 1943 chan->flag |= HOSTAPD_CHAN_VHT_50_30; 1944 1945 if (chan->freq - 70 >= start && chan->freq + 10 <= end) 1946 chan->flag |= HOSTAPD_CHAN_VHT_70_10; 1947 1948 if (max_bw >= 160) { 1949 if (chan->freq - 10 >= start && chan->freq + 150 <= end) 1950 chan->flag |= HOSTAPD_CHAN_VHT_10_150; 1951 1952 if (chan->freq - 30 >= start && chan->freq + 130 <= end) 1953 chan->flag |= HOSTAPD_CHAN_VHT_30_130; 1954 1955 if (chan->freq - 50 >= start && chan->freq + 110 <= end) 1956 chan->flag |= HOSTAPD_CHAN_VHT_50_110; 1957 1958 if (chan->freq - 70 >= start && chan->freq + 90 <= end) 1959 chan->flag |= HOSTAPD_CHAN_VHT_70_90; 1960 1961 if (chan->freq - 90 >= start && chan->freq + 70 <= end) 1962 chan->flag |= HOSTAPD_CHAN_VHT_90_70; 1963 1964 if (chan->freq - 110 >= start && chan->freq + 50 <= end) 1965 chan->flag |= HOSTAPD_CHAN_VHT_110_50; 1966 1967 if (chan->freq - 130 >= start && chan->freq + 30 <= end) 1968 chan->flag |= HOSTAPD_CHAN_VHT_130_30; 1969 1970 if (chan->freq - 150 >= start && chan->freq + 10 <= end) 1971 chan->flag |= HOSTAPD_CHAN_VHT_150_10; 1972 } 1973 } 1974 } 1975 1976 1977 static void nl80211_reg_rule_vht(struct nlattr *tb[], 1978 struct phy_info_arg *results) 1979 { 1980 u32 start, end, max_bw; 1981 u16 m; 1982 1983 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1984 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 1985 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 1986 return; 1987 1988 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1989 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1990 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1991 1992 if (max_bw < 80) 1993 return; 1994 1995 for (m = 0; m < *results->num_modes; m++) { 1996 if (!(results->modes[m].ht_capab & 1997 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1998 continue; 1999 /* TODO: use a real VHT support indication */ 2000 if (!results->modes[m].vht_capab) 2001 continue; 2002 2003 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw); 2004 } 2005 } 2006 2007 2008 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region, 2009 u8 *dfs_domain) 2010 { 2011 if (region == NL80211_DFS_FCC) 2012 *dfs_domain = HOSTAPD_DFS_REGION_FCC; 2013 else if (region == NL80211_DFS_ETSI) 2014 *dfs_domain = HOSTAPD_DFS_REGION_ETSI; 2015 else if (region == NL80211_DFS_JP) 2016 *dfs_domain = HOSTAPD_DFS_REGION_JP; 2017 else 2018 *dfs_domain = 0; 2019 } 2020 2021 2022 static const char * dfs_domain_name(enum nl80211_dfs_regions region) 2023 { 2024 switch (region) { 2025 case NL80211_DFS_UNSET: 2026 return "DFS-UNSET"; 2027 case NL80211_DFS_FCC: 2028 return "DFS-FCC"; 2029 case NL80211_DFS_ETSI: 2030 return "DFS-ETSI"; 2031 case NL80211_DFS_JP: 2032 return "DFS-JP"; 2033 default: 2034 return "DFS-invalid"; 2035 } 2036 } 2037 2038 2039 static int nl80211_get_reg(struct nl_msg *msg, void *arg) 2040 { 2041 struct phy_info_arg *results = arg; 2042 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 2043 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 2044 struct nlattr *nl_rule; 2045 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; 2046 int rem_rule; 2047 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 2048 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, 2049 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, 2050 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, 2051 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, 2052 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, 2053 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, 2054 }; 2055 2056 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 2057 genlmsg_attrlen(gnlh, 0), NULL); 2058 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || 2059 !tb_msg[NL80211_ATTR_REG_RULES]) { 2060 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " 2061 "available"); 2062 return NL_SKIP; 2063 } 2064 2065 if (tb_msg[NL80211_ATTR_DFS_REGION]) { 2066 enum nl80211_dfs_regions dfs_domain; 2067 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]); 2068 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain); 2069 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)", 2070 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 2071 dfs_domain_name(dfs_domain)); 2072 } else { 2073 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", 2074 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); 2075 } 2076 2077 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 2078 { 2079 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0; 2080 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 2081 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 2082 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL || 2083 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL) 2084 continue; 2085 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 2086 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 2087 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 2088 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100; 2089 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) 2090 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 2091 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS]) 2092 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]); 2093 2094 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s", 2095 start, end, max_bw, max_eirp, 2096 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "", 2097 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "", 2098 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "", 2099 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" : 2100 "", 2101 flags & NL80211_RRF_DFS ? " (DFS)" : "", 2102 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "", 2103 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "", 2104 flags & NL80211_RRF_NO_IR ? " (no IR)" : ""); 2105 if (max_bw >= 40) 2106 nl80211_reg_rule_ht40(start, end, results); 2107 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 2108 nl80211_reg_rule_max_eirp(start, end, max_eirp, 2109 results); 2110 } 2111 2112 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 2113 { 2114 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 2115 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 2116 nl80211_reg_rule_sec(tb_rule, results); 2117 } 2118 2119 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 2120 { 2121 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 2122 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 2123 nl80211_reg_rule_vht(tb_rule, results); 2124 } 2125 2126 return NL_SKIP; 2127 } 2128 2129 2130 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv, 2131 struct phy_info_arg *results) 2132 { 2133 struct nl_msg *msg; 2134 2135 msg = nlmsg_alloc(); 2136 if (!msg) 2137 return -ENOMEM; 2138 2139 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); 2140 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) { 2141 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) { 2142 nlmsg_free(msg); 2143 return -1; 2144 } 2145 } 2146 2147 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results); 2148 } 2149 2150 2151 static const char * modestr(enum hostapd_hw_mode mode) 2152 { 2153 switch (mode) { 2154 case HOSTAPD_MODE_IEEE80211B: 2155 return "802.11b"; 2156 case HOSTAPD_MODE_IEEE80211G: 2157 return "802.11g"; 2158 case HOSTAPD_MODE_IEEE80211A: 2159 return "802.11a"; 2160 case HOSTAPD_MODE_IEEE80211AD: 2161 return "802.11ad"; 2162 default: 2163 return "?"; 2164 } 2165 } 2166 2167 2168 static void nl80211_dump_chan_list(struct hostapd_hw_modes *modes, 2169 u16 num_modes) 2170 { 2171 int i; 2172 2173 if (!modes) 2174 return; 2175 2176 for (i = 0; i < num_modes; i++) { 2177 struct hostapd_hw_modes *mode = &modes[i]; 2178 char str[200]; 2179 char *pos = str; 2180 char *end = pos + sizeof(str); 2181 int j, res; 2182 2183 for (j = 0; j < mode->num_channels; j++) { 2184 struct hostapd_channel_data *chan = &mode->channels[j]; 2185 2186 res = os_snprintf(pos, end - pos, " %d%s%s%s", 2187 chan->freq, 2188 (chan->flag & HOSTAPD_CHAN_DISABLED) ? 2189 "[DISABLED]" : "", 2190 (chan->flag & HOSTAPD_CHAN_NO_IR) ? 2191 "[NO_IR]" : "", 2192 (chan->flag & HOSTAPD_CHAN_RADAR) ? 2193 "[RADAR]" : ""); 2194 if (os_snprintf_error(end - pos, res)) 2195 break; 2196 pos += res; 2197 } 2198 2199 *pos = '\0'; 2200 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s", 2201 modestr(mode->mode), str); 2202 } 2203 } 2204 2205 2206 struct hostapd_hw_modes * 2207 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, 2208 u8 *dfs_domain) 2209 { 2210 u32 feat; 2211 struct i802_bss *bss = priv; 2212 struct wpa_driver_nl80211_data *drv = bss->drv; 2213 int nl_flags = 0; 2214 struct nl_msg *msg; 2215 struct phy_info_arg result = { 2216 .num_modes = num_modes, 2217 .modes = NULL, 2218 .last_mode = -1, 2219 .failed = 0, 2220 .dfs_domain = 0, 2221 }; 2222 2223 *num_modes = 0; 2224 *flags = 0; 2225 *dfs_domain = 0; 2226 2227 feat = get_nl80211_protocol_features(drv); 2228 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 2229 nl_flags = NLM_F_DUMP; 2230 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) || 2231 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 2232 nlmsg_free(msg); 2233 return NULL; 2234 } 2235 2236 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) { 2237 struct hostapd_hw_modes *modes; 2238 2239 nl80211_set_regulatory_flags(drv, &result); 2240 if (result.failed) { 2241 int i; 2242 2243 for (i = 0; result.modes && i < *num_modes; i++) { 2244 os_free(result.modes[i].channels); 2245 os_free(result.modes[i].rates); 2246 } 2247 os_free(result.modes); 2248 *num_modes = 0; 2249 return NULL; 2250 } 2251 2252 *dfs_domain = result.dfs_domain; 2253 2254 modes = wpa_driver_nl80211_postprocess_modes(result.modes, 2255 num_modes); 2256 nl80211_dump_chan_list(modes, *num_modes); 2257 return modes; 2258 } 2259 2260 return NULL; 2261 } 2262