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 "common/brcm_vendor.h" 20 #include "driver_nl80211.h" 21 22 23 static int protocol_feature_handler(struct nl_msg *msg, void *arg) 24 { 25 u32 *feat = arg; 26 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 27 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 28 29 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 30 genlmsg_attrlen(gnlh, 0), NULL); 31 32 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) 33 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]); 34 35 return NL_SKIP; 36 } 37 38 39 static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv) 40 { 41 u32 feat = 0; 42 struct nl_msg *msg; 43 44 msg = nlmsg_alloc(); 45 if (!msg) 46 return 0; 47 48 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) { 49 nlmsg_free(msg); 50 return 0; 51 } 52 53 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat, 54 NULL, NULL) == 0) 55 return feat; 56 57 return 0; 58 } 59 60 61 struct wiphy_info_data { 62 struct wpa_driver_nl80211_data *drv; 63 struct wpa_driver_capa *capa; 64 65 unsigned int num_multichan_concurrent; 66 67 unsigned int error:1; 68 unsigned int device_ap_sme:1; 69 unsigned int poll_command_supported:1; 70 unsigned int data_tx_status:1; 71 unsigned int auth_supported:1; 72 unsigned int connect_supported:1; 73 unsigned int p2p_go_supported:1; 74 unsigned int p2p_client_supported:1; 75 unsigned int p2p_go_ctwindow_supported:1; 76 unsigned int p2p_concurrent:1; 77 unsigned int channel_switch_supported:1; 78 unsigned int set_qos_map_supported:1; 79 unsigned int have_low_prio_scan:1; 80 unsigned int wmm_ac_supported:1; 81 unsigned int mac_addr_rand_scan_supported:1; 82 unsigned int mac_addr_rand_sched_scan_supported:1; 83 unsigned int update_ft_ies_supported:1; 84 unsigned int has_key_mgmt:1; 85 unsigned int has_key_mgmt_iftype:1; 86 }; 87 88 89 static unsigned int probe_resp_offload_support(int supp_protocols) 90 { 91 unsigned int prot = 0; 92 93 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS) 94 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS; 95 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2) 96 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2; 97 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P) 98 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P; 99 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U) 100 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING; 101 102 return prot; 103 } 104 105 106 static void wiphy_info_supported_iftypes(struct wiphy_info_data *info, 107 struct nlattr *tb) 108 { 109 struct nlattr *nl_mode; 110 int i; 111 112 if (tb == NULL) 113 return; 114 115 nla_for_each_nested(nl_mode, tb, i) { 116 switch (nla_type(nl_mode)) { 117 case NL80211_IFTYPE_AP: 118 info->capa->flags |= WPA_DRIVER_FLAGS_AP; 119 break; 120 case NL80211_IFTYPE_MESH_POINT: 121 info->capa->flags |= WPA_DRIVER_FLAGS_MESH; 122 break; 123 case NL80211_IFTYPE_ADHOC: 124 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS; 125 break; 126 case NL80211_IFTYPE_P2P_DEVICE: 127 info->capa->flags |= 128 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE; 129 break; 130 case NL80211_IFTYPE_P2P_GO: 131 info->p2p_go_supported = 1; 132 break; 133 case NL80211_IFTYPE_P2P_CLIENT: 134 info->p2p_client_supported = 1; 135 break; 136 } 137 } 138 } 139 140 141 static int wiphy_info_iface_comb_process(struct wiphy_info_data *info, 142 struct nlattr *nl_combi) 143 { 144 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB]; 145 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT]; 146 struct nlattr *nl_limit, *nl_mode; 147 int err, rem_limit, rem_mode; 148 int combination_has_p2p = 0, combination_has_mgd = 0; 149 static struct nla_policy 150 iface_combination_policy[NUM_NL80211_IFACE_COMB] = { 151 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED }, 152 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 }, 153 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG }, 154 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 }, 155 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 }, 156 }, 157 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = { 158 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED }, 159 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 }, 160 }; 161 162 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB, 163 nl_combi, iface_combination_policy); 164 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] || 165 !tb_comb[NL80211_IFACE_COMB_MAXNUM] || 166 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) 167 return 0; /* broken combination */ 168 169 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) 170 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR; 171 172 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], 173 rem_limit) { 174 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT, 175 nl_limit, iface_limit_policy); 176 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) 177 return 0; /* broken combination */ 178 179 nla_for_each_nested(nl_mode, 180 tb_limit[NL80211_IFACE_LIMIT_TYPES], 181 rem_mode) { 182 int ift = nla_type(nl_mode); 183 if (ift == NL80211_IFTYPE_P2P_GO || 184 ift == NL80211_IFTYPE_P2P_CLIENT) 185 combination_has_p2p = 1; 186 if (ift == NL80211_IFTYPE_STATION) 187 combination_has_mgd = 1; 188 } 189 if (combination_has_p2p && combination_has_mgd) 190 break; 191 } 192 193 if (combination_has_p2p && combination_has_mgd) { 194 unsigned int num_channels = 195 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]); 196 197 info->p2p_concurrent = 1; 198 if (info->num_multichan_concurrent < num_channels) 199 info->num_multichan_concurrent = num_channels; 200 } 201 202 return 0; 203 } 204 205 206 static void wiphy_info_iface_comb(struct wiphy_info_data *info, 207 struct nlattr *tb) 208 { 209 struct nlattr *nl_combi; 210 int rem_combi; 211 212 if (tb == NULL) 213 return; 214 215 nla_for_each_nested(nl_combi, tb, rem_combi) { 216 if (wiphy_info_iface_comb_process(info, nl_combi) > 0) 217 break; 218 } 219 } 220 221 222 static void wiphy_info_supp_cmds(struct wiphy_info_data *info, 223 struct nlattr *tb) 224 { 225 struct nlattr *nl_cmd; 226 int i; 227 228 if (tb == NULL) 229 return; 230 231 nla_for_each_nested(nl_cmd, tb, i) { 232 switch (nla_get_u32(nl_cmd)) { 233 case NL80211_CMD_AUTHENTICATE: 234 info->auth_supported = 1; 235 break; 236 case NL80211_CMD_CONNECT: 237 info->connect_supported = 1; 238 break; 239 case NL80211_CMD_START_SCHED_SCAN: 240 info->capa->sched_scan_supported = 1; 241 break; 242 case NL80211_CMD_PROBE_CLIENT: 243 info->poll_command_supported = 1; 244 break; 245 case NL80211_CMD_CHANNEL_SWITCH: 246 info->channel_switch_supported = 1; 247 break; 248 case NL80211_CMD_SET_QOS_MAP: 249 info->set_qos_map_supported = 1; 250 break; 251 case NL80211_CMD_UPDATE_FT_IES: 252 info->update_ft_ies_supported = 1; 253 break; 254 } 255 } 256 } 257 258 259 static unsigned int get_akm_suites_info(struct nlattr *tb) 260 { 261 int i, num; 262 unsigned int key_mgmt = 0; 263 u32 *akms; 264 265 if (!tb) 266 return 0; 267 268 num = nla_len(tb) / sizeof(u32); 269 akms = nla_data(tb); 270 for (i = 0; i < num; i++) { 271 switch (akms[i]) { 272 case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X: 273 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA | 274 WPA_DRIVER_CAPA_KEY_MGMT_WPA2; 275 break; 276 case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X: 277 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | 278 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; 279 break; 280 case RSN_AUTH_KEY_MGMT_FT_802_1X: 281 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT; 282 break; 283 case RSN_AUTH_KEY_MGMT_FT_PSK: 284 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; 285 break; 286 case RSN_AUTH_KEY_MGMT_802_1X_SHA256: 287 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_802_1X_SHA256; 288 break; 289 case RSN_AUTH_KEY_MGMT_PSK_SHA256: 290 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_PSK_SHA256; 291 break; 292 case RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE: 293 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_TPK_HANDSHAKE; 294 break; 295 case RSN_AUTH_KEY_MGMT_FT_SAE: 296 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_SAE; 297 break; 298 case RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384: 299 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_802_1X_SHA384; 300 break; 301 case RSN_AUTH_KEY_MGMT_CCKM: 302 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_CCKM; 303 break; 304 case RSN_AUTH_KEY_MGMT_OSEN: 305 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OSEN; 306 break; 307 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B: 308 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B; 309 break; 310 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192: 311 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192; 312 break; 313 case RSN_AUTH_KEY_MGMT_OWE: 314 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE; 315 break; 316 case RSN_AUTH_KEY_MGMT_DPP: 317 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP; 318 break; 319 case RSN_AUTH_KEY_MGMT_FILS_SHA256: 320 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256; 321 break; 322 case RSN_AUTH_KEY_MGMT_FILS_SHA384: 323 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; 324 break; 325 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256: 326 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256; 327 break; 328 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384: 329 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384; 330 break; 331 case RSN_AUTH_KEY_MGMT_SAE: 332 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE; 333 break; 334 } 335 } 336 337 return key_mgmt; 338 } 339 340 341 static void get_iface_akm_suites_info(struct wiphy_info_data *info, 342 struct nlattr *nl_akms) 343 { 344 struct nlattr *tb[NL80211_IFTYPE_AKM_ATTR_MAX + 1]; 345 struct nlattr *nl_iftype; 346 unsigned int key_mgmt; 347 int i; 348 349 if (!nl_akms) 350 return; 351 352 nla_parse(tb, NL80211_IFTYPE_AKM_ATTR_MAX, 353 nla_data(nl_akms), nla_len(nl_akms), NULL); 354 355 if (!tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES] || 356 !tb[NL80211_IFTYPE_AKM_ATTR_SUITES]) 357 return; 358 359 info->has_key_mgmt_iftype = 1; 360 key_mgmt = get_akm_suites_info(tb[NL80211_IFTYPE_AKM_ATTR_SUITES]); 361 362 nla_for_each_nested(nl_iftype, tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES], i) { 363 switch (nla_type(nl_iftype)) { 364 case NL80211_IFTYPE_ADHOC: 365 info->drv->capa.key_mgmt_iftype[WPA_IF_IBSS] = key_mgmt; 366 break; 367 case NL80211_IFTYPE_STATION: 368 info->drv->capa.key_mgmt_iftype[WPA_IF_STATION] = 369 key_mgmt; 370 break; 371 case NL80211_IFTYPE_AP: 372 info->drv->capa.key_mgmt_iftype[WPA_IF_AP_BSS] = 373 key_mgmt; 374 break; 375 case NL80211_IFTYPE_AP_VLAN: 376 info->drv->capa.key_mgmt_iftype[WPA_IF_AP_VLAN] = 377 key_mgmt; 378 break; 379 case NL80211_IFTYPE_MESH_POINT: 380 info->drv->capa.key_mgmt_iftype[WPA_IF_MESH] = key_mgmt; 381 break; 382 case NL80211_IFTYPE_P2P_CLIENT: 383 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_CLIENT] = 384 key_mgmt; 385 break; 386 case NL80211_IFTYPE_P2P_GO: 387 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_GO] = 388 key_mgmt; 389 break; 390 case NL80211_IFTYPE_P2P_DEVICE: 391 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_DEVICE] = 392 key_mgmt; 393 break; 394 case NL80211_IFTYPE_NAN: 395 info->drv->capa.key_mgmt_iftype[WPA_IF_NAN] = key_mgmt; 396 break; 397 } 398 wpa_printf(MSG_DEBUG, "nl80211: %s supported key_mgmt 0x%x", 399 nl80211_iftype_str(nla_type(nl_iftype)), 400 key_mgmt); 401 } 402 } 403 404 405 static void wiphy_info_iftype_akm_suites(struct wiphy_info_data *info, 406 struct nlattr *tb) 407 { 408 struct nlattr *nl_if; 409 int rem_if; 410 411 if (!tb) 412 return; 413 414 nla_for_each_nested(nl_if, tb, rem_if) 415 get_iface_akm_suites_info(info, nl_if); 416 } 417 418 419 static void wiphy_info_akm_suites(struct wiphy_info_data *info, 420 struct nlattr *tb) 421 { 422 if (!tb) 423 return; 424 425 info->has_key_mgmt = 1; 426 info->capa->key_mgmt = get_akm_suites_info(tb); 427 wpa_printf(MSG_DEBUG, "nl80211: wiphy supported key_mgmt 0x%x", 428 info->capa->key_mgmt); 429 } 430 431 432 static void wiphy_info_cipher_suites(struct wiphy_info_data *info, 433 struct nlattr *tb) 434 { 435 int i, num; 436 u32 *ciphers; 437 438 if (tb == NULL) 439 return; 440 441 num = nla_len(tb) / sizeof(u32); 442 ciphers = nla_data(tb); 443 for (i = 0; i < num; i++) { 444 u32 c = ciphers[i]; 445 446 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d", 447 c >> 24, (c >> 16) & 0xff, 448 (c >> 8) & 0xff, c & 0xff); 449 switch (c) { 450 case RSN_CIPHER_SUITE_CCMP_256: 451 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256; 452 break; 453 case RSN_CIPHER_SUITE_GCMP_256: 454 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256; 455 break; 456 case RSN_CIPHER_SUITE_CCMP: 457 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP; 458 break; 459 case RSN_CIPHER_SUITE_GCMP: 460 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP; 461 break; 462 case RSN_CIPHER_SUITE_TKIP: 463 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP; 464 break; 465 case RSN_CIPHER_SUITE_WEP104: 466 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104; 467 break; 468 case RSN_CIPHER_SUITE_WEP40: 469 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40; 470 break; 471 case RSN_CIPHER_SUITE_AES_128_CMAC: 472 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP; 473 break; 474 case RSN_CIPHER_SUITE_BIP_GMAC_128: 475 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128; 476 break; 477 case RSN_CIPHER_SUITE_BIP_GMAC_256: 478 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256; 479 break; 480 case RSN_CIPHER_SUITE_BIP_CMAC_256: 481 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256; 482 break; 483 case RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED: 484 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED; 485 break; 486 } 487 } 488 } 489 490 491 static void wiphy_info_max_roc(struct wpa_driver_capa *capa, 492 struct nlattr *tb) 493 { 494 if (tb) 495 capa->max_remain_on_chan = nla_get_u32(tb); 496 } 497 498 499 static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls, 500 struct nlattr *ext_setup) 501 { 502 if (tdls == NULL) 503 return; 504 505 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported"); 506 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT; 507 508 if (ext_setup) { 509 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup"); 510 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP; 511 } 512 } 513 514 515 static int ext_feature_isset(const u8 *ext_features, int ext_features_len, 516 enum nl80211_ext_feature_index ftidx) 517 { 518 u8 ft_byte; 519 520 if ((int) ftidx / 8 >= ext_features_len) 521 return 0; 522 523 ft_byte = ext_features[ftidx / 8]; 524 return (ft_byte & BIT(ftidx % 8)) != 0; 525 } 526 527 528 static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info, 529 struct nlattr *tb) 530 { 531 struct wpa_driver_capa *capa = info->capa; 532 u8 *ext_features; 533 int len; 534 535 if (tb == NULL) 536 return; 537 538 ext_features = nla_data(tb); 539 len = nla_len(tb); 540 541 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS)) 542 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS; 543 544 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM)) 545 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM; 546 547 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_FILS_STA)) 548 capa->flags |= WPA_DRIVER_FLAGS_SUPPORT_FILS; 549 550 if (ext_feature_isset(ext_features, len, 551 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) 552 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY; 553 554 if (ext_feature_isset(ext_features, len, 555 NL80211_EXT_FEATURE_BEACON_RATE_HT)) 556 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_HT; 557 558 if (ext_feature_isset(ext_features, len, 559 NL80211_EXT_FEATURE_BEACON_RATE_VHT)) 560 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_VHT; 561 562 if (ext_feature_isset(ext_features, len, 563 NL80211_EXT_FEATURE_BEACON_RATE_HE)) 564 capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_RATE_HE; 565 566 if (ext_feature_isset(ext_features, len, 567 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) 568 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_SET_SCAN_DWELL; 569 570 if (ext_feature_isset(ext_features, len, 571 NL80211_EXT_FEATURE_SCAN_START_TIME) && 572 ext_feature_isset(ext_features, len, 573 NL80211_EXT_FEATURE_BSS_PARENT_TSF) && 574 ext_feature_isset(ext_features, len, 575 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) 576 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT; 577 if (ext_feature_isset(ext_features, len, 578 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA)) 579 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA; 580 if (ext_feature_isset(ext_features, len, 581 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED)) 582 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA_CONNECTED; 583 if (ext_feature_isset(ext_features, len, 584 NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI)) 585 capa->flags |= WPA_DRIVER_FLAGS_SCHED_SCAN_RELATIVE_RSSI; 586 if (ext_feature_isset(ext_features, len, 587 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD)) 588 capa->flags |= WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD; 589 590 if (ext_feature_isset(ext_features, len, 591 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK)) 592 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK; 593 if (ext_feature_isset(ext_features, len, 594 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) 595 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X; 596 597 if (ext_feature_isset(ext_features, len, 598 NL80211_EXT_FEATURE_MFP_OPTIONAL)) 599 capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL; 600 601 if (ext_feature_isset(ext_features, len, 602 NL80211_EXT_FEATURE_DFS_OFFLOAD)) 603 capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; 604 605 #ifdef CONFIG_MBO 606 if (ext_feature_isset(ext_features, len, 607 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) && 608 ext_feature_isset(ext_features, len, 609 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) && 610 ext_feature_isset(ext_features, len, 611 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) && 612 ext_feature_isset( 613 ext_features, len, 614 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION)) 615 capa->flags |= WPA_DRIVER_FLAGS_OCE_STA; 616 #endif /* CONFIG_MBO */ 617 618 if (ext_feature_isset(ext_features, len, 619 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER)) 620 capa->flags |= WPA_DRIVER_FLAGS_FTM_RESPONDER; 621 622 if (ext_feature_isset(ext_features, len, 623 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211)) 624 capa->flags |= WPA_DRIVER_FLAGS_CONTROL_PORT; 625 if (ext_feature_isset(ext_features, len, 626 NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH)) 627 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_RX; 628 if (ext_feature_isset( 629 ext_features, len, 630 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS)) 631 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS; 632 633 if (ext_feature_isset(ext_features, len, 634 NL80211_EXT_FEATURE_VLAN_OFFLOAD)) 635 capa->flags |= WPA_DRIVER_FLAGS_VLAN_OFFLOAD; 636 637 if (ext_feature_isset(ext_features, len, 638 NL80211_EXT_FEATURE_CAN_REPLACE_PTK0)) 639 capa->flags |= WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS; 640 641 if (ext_feature_isset(ext_features, len, 642 NL80211_EXT_FEATURE_BEACON_PROTECTION)) 643 capa->flags |= WPA_DRIVER_FLAGS_BEACON_PROTECTION; 644 645 if (ext_feature_isset(ext_features, len, 646 NL80211_EXT_FEATURE_EXT_KEY_ID)) 647 capa->flags |= WPA_DRIVER_FLAGS_EXTENDED_KEY_ID; 648 649 if (ext_feature_isset(ext_features, len, 650 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) 651 info->drv->multicast_registrations = 1; 652 653 if (ext_feature_isset(ext_features, len, 654 NL80211_EXT_FEATURE_FILS_DISCOVERY)) 655 info->drv->fils_discovery = 1; 656 657 if (ext_feature_isset(ext_features, len, 658 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP)) 659 info->drv->unsol_bcast_probe_resp = 1; 660 661 if (ext_feature_isset(ext_features, len, 662 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT)) 663 capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT; 664 665 if (ext_feature_isset(ext_features, len, 666 NL80211_EXT_FEATURE_OPERATING_CHANNEL_VALIDATION)) 667 capa->flags2 |= WPA_DRIVER_FLAGS2_OCV; 668 } 669 670 671 static void wiphy_info_feature_flags(struct wiphy_info_data *info, 672 struct nlattr *tb) 673 { 674 u32 flags; 675 struct wpa_driver_capa *capa = info->capa; 676 677 if (tb == NULL) 678 return; 679 680 flags = nla_get_u32(tb); 681 682 if (flags & NL80211_FEATURE_SK_TX_STATUS) 683 info->data_tx_status = 1; 684 685 if (flags & NL80211_FEATURE_INACTIVITY_TIMER) 686 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER; 687 688 if (flags & NL80211_FEATURE_SAE) 689 capa->flags |= WPA_DRIVER_FLAGS_SAE; 690 691 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN) 692 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN; 693 694 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE) 695 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX; 696 697 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) { 698 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch"); 699 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH; 700 } 701 702 if (flags & NL80211_FEATURE_P2P_GO_CTWIN) 703 info->p2p_go_ctwindow_supported = 1; 704 705 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN) 706 info->have_low_prio_scan = 1; 707 708 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR) 709 info->mac_addr_rand_scan_supported = 1; 710 711 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR) 712 info->mac_addr_rand_sched_scan_supported = 1; 713 714 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) 715 info->wmm_ac_supported = 1; 716 717 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) 718 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES; 719 720 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES) 721 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES; 722 723 if (flags & NL80211_FEATURE_QUIET) 724 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET; 725 726 if (flags & NL80211_FEATURE_TX_POWER_INSERTION) 727 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION; 728 729 if (flags & NL80211_FEATURE_HT_IBSS) 730 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS; 731 732 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE) 733 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE; 734 } 735 736 737 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa, 738 struct nlattr *tb) 739 { 740 u32 protocols; 741 742 if (tb == NULL) 743 return; 744 745 protocols = nla_get_u32(tb); 746 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP " 747 "mode"); 748 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; 749 capa->probe_resp_offloads = probe_resp_offload_support(protocols); 750 } 751 752 753 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa, 754 struct nlattr *tb) 755 { 756 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1]; 757 758 if (tb == NULL) 759 return; 760 761 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG, 762 tb, NULL)) 763 return; 764 765 if (triggers[NL80211_WOWLAN_TRIG_ANY]) 766 capa->wowlan_triggers.any = 1; 767 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT]) 768 capa->wowlan_triggers.disconnect = 1; 769 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT]) 770 capa->wowlan_triggers.magic_pkt = 1; 771 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) 772 capa->wowlan_triggers.gtk_rekey_failure = 1; 773 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) 774 capa->wowlan_triggers.eap_identity_req = 1; 775 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) 776 capa->wowlan_triggers.four_way_handshake = 1; 777 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) 778 capa->wowlan_triggers.rfkill_release = 1; 779 } 780 781 782 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv, 783 struct nlattr *tb) 784 { 785 int rem = 0, i; 786 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr; 787 788 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) 789 return; 790 791 nla_for_each_nested(attr, tb, rem) { 792 unsigned int len; 793 struct drv_nl80211_ext_capa *capa; 794 795 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr), 796 nla_len(attr), NULL); 797 798 if (!tb1[NL80211_ATTR_IFTYPE] || 799 !tb1[NL80211_ATTR_EXT_CAPA] || 800 !tb1[NL80211_ATTR_EXT_CAPA_MASK]) 801 continue; 802 803 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa]; 804 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]); 805 wpa_printf(MSG_DEBUG, 806 "nl80211: Driver-advertised extended capabilities for interface type %s", 807 nl80211_iftype_str(capa->iftype)); 808 809 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]); 810 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]), 811 len); 812 if (!capa->ext_capa) 813 goto err; 814 815 capa->ext_capa_len = len; 816 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities", 817 capa->ext_capa, capa->ext_capa_len); 818 819 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]); 820 capa->ext_capa_mask = 821 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]), 822 len); 823 if (!capa->ext_capa_mask) 824 goto err; 825 826 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask", 827 capa->ext_capa_mask, capa->ext_capa_len); 828 829 drv->num_iface_ext_capa++; 830 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) 831 break; 832 } 833 834 return; 835 836 err: 837 /* Cleanup allocated memory on error */ 838 for (i = 0; i < NL80211_IFTYPE_MAX; i++) { 839 os_free(drv->iface_ext_capa[i].ext_capa); 840 drv->iface_ext_capa[i].ext_capa = NULL; 841 os_free(drv->iface_ext_capa[i].ext_capa_mask); 842 drv->iface_ext_capa[i].ext_capa_mask = NULL; 843 drv->iface_ext_capa[i].ext_capa_len = 0; 844 } 845 drv->num_iface_ext_capa = 0; 846 } 847 848 849 static int wiphy_info_handler(struct nl_msg *msg, void *arg) 850 { 851 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 852 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 853 struct wiphy_info_data *info = arg; 854 struct wpa_driver_capa *capa = info->capa; 855 struct wpa_driver_nl80211_data *drv = info->drv; 856 857 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 858 genlmsg_attrlen(gnlh, 0), NULL); 859 860 if (tb[NL80211_ATTR_WIPHY]) 861 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); 862 863 if (tb[NL80211_ATTR_WIPHY_NAME]) 864 os_strlcpy(drv->phyname, 865 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]), 866 sizeof(drv->phyname)); 867 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) 868 capa->max_scan_ssids = 869 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]); 870 871 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]) 872 capa->max_sched_scan_ssids = 873 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]); 874 875 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] && 876 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] && 877 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) { 878 capa->max_sched_scan_plans = 879 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]); 880 881 capa->max_sched_scan_plan_interval = 882 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]); 883 884 capa->max_sched_scan_plan_iterations = 885 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]); 886 } 887 888 if (tb[NL80211_ATTR_MAX_MATCH_SETS]) 889 capa->max_match_sets = 890 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); 891 892 if (tb[NL80211_ATTR_MAC_ACL_MAX]) 893 capa->max_acl_mac_addrs = 894 nla_get_u32(tb[NL80211_ATTR_MAC_ACL_MAX]); 895 896 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]); 897 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]); 898 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]); 899 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]); 900 wiphy_info_akm_suites(info, tb[NL80211_ATTR_AKM_SUITES]); 901 wiphy_info_iftype_akm_suites(info, tb[NL80211_ATTR_IFTYPE_AKM_SUITES]); 902 903 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) { 904 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based " 905 "off-channel TX"); 906 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX; 907 } 908 909 if (tb[NL80211_ATTR_ROAM_SUPPORT]) { 910 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming"); 911 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; 912 } 913 914 wiphy_info_max_roc(capa, 915 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]); 916 917 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD]) 918 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD; 919 920 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT], 921 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]); 922 923 if (tb[NL80211_ATTR_DEVICE_AP_SME]) 924 info->device_ap_sme = 1; 925 926 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]); 927 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]); 928 wiphy_info_probe_resp_offload(capa, 929 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); 930 931 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] && 932 drv->extended_capa == NULL) { 933 drv->extended_capa = 934 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); 935 if (drv->extended_capa) { 936 os_memcpy(drv->extended_capa, 937 nla_data(tb[NL80211_ATTR_EXT_CAPA]), 938 nla_len(tb[NL80211_ATTR_EXT_CAPA])); 939 drv->extended_capa_len = 940 nla_len(tb[NL80211_ATTR_EXT_CAPA]); 941 wpa_hexdump(MSG_DEBUG, 942 "nl80211: Driver-advertised extended capabilities (default)", 943 drv->extended_capa, drv->extended_capa_len); 944 } 945 drv->extended_capa_mask = 946 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); 947 if (drv->extended_capa_mask) { 948 os_memcpy(drv->extended_capa_mask, 949 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]), 950 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); 951 wpa_hexdump(MSG_DEBUG, 952 "nl80211: Driver-advertised extended capabilities mask (default)", 953 drv->extended_capa_mask, 954 drv->extended_capa_len); 955 } else { 956 os_free(drv->extended_capa); 957 drv->extended_capa = NULL; 958 drv->extended_capa_len = 0; 959 } 960 } 961 962 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]); 963 964 if (tb[NL80211_ATTR_VENDOR_DATA]) { 965 struct nlattr *nl; 966 int rem; 967 968 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) { 969 struct nl80211_vendor_cmd_info *vinfo; 970 if (nla_len(nl) != sizeof(*vinfo)) { 971 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); 972 continue; 973 } 974 vinfo = nla_data(nl); 975 if (vinfo->vendor_id == OUI_QCA) { 976 switch (vinfo->subcmd) { 977 case QCA_NL80211_VENDOR_SUBCMD_TEST: 978 drv->vendor_cmd_test_avail = 1; 979 break; 980 #ifdef CONFIG_DRIVER_NL80211_QCA 981 case QCA_NL80211_VENDOR_SUBCMD_ROAMING: 982 drv->roaming_vendor_cmd_avail = 1; 983 break; 984 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY: 985 drv->dfs_vendor_cmd_avail = 1; 986 break; 987 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES: 988 drv->get_features_vendor_cmd_avail = 1; 989 break; 990 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST: 991 drv->get_pref_freq_list = 1; 992 break; 993 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL: 994 drv->set_prob_oper_freq = 1; 995 break; 996 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS: 997 drv->capa.flags |= 998 WPA_DRIVER_FLAGS_ACS_OFFLOAD; 999 drv->qca_do_acs = 1; 1000 break; 1001 case QCA_NL80211_VENDOR_SUBCMD_SETBAND: 1002 drv->setband_vendor_cmd_avail = 1; 1003 break; 1004 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN: 1005 drv->scan_vendor_cmd_avail = 1; 1006 break; 1007 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION: 1008 drv->set_wifi_conf_vendor_cmd_avail = 1; 1009 break; 1010 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS: 1011 drv->fetch_bss_trans_status = 1; 1012 break; 1013 case QCA_NL80211_VENDOR_SUBCMD_ROAM: 1014 drv->roam_vendor_cmd_avail = 1; 1015 break; 1016 case QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE: 1017 drv->add_sta_node_vendor_cmd_avail = 1; 1018 break; 1019 case QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO: 1020 drv->get_sta_info_vendor_cmd_avail = 1; 1021 break; 1022 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1023 } 1024 #ifdef CONFIG_DRIVER_NL80211_BRCM 1025 } else if (vinfo->vendor_id == OUI_BRCM) { 1026 switch (vinfo->subcmd) { 1027 case BRCM_VENDOR_SCMD_ACS: 1028 drv->capa.flags |= 1029 WPA_DRIVER_FLAGS_ACS_OFFLOAD; 1030 wpa_printf(MSG_DEBUG, 1031 "Enabled BRCM ACS"); 1032 drv->brcm_do_acs = 1; 1033 break; 1034 } 1035 #endif /* CONFIG_DRIVER_NL80211_BRCM */ 1036 } 1037 1038 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u", 1039 vinfo->vendor_id, vinfo->subcmd); 1040 } 1041 } 1042 1043 if (tb[NL80211_ATTR_VENDOR_EVENTS]) { 1044 struct nlattr *nl; 1045 int rem; 1046 1047 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) { 1048 struct nl80211_vendor_cmd_info *vinfo; 1049 if (nla_len(nl) != sizeof(*vinfo)) { 1050 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); 1051 continue; 1052 } 1053 vinfo = nla_data(nl); 1054 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u", 1055 vinfo->vendor_id, vinfo->subcmd); 1056 } 1057 } 1058 1059 wiphy_info_wowlan_triggers(capa, 1060 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]); 1061 1062 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA]) 1063 capa->max_stations = 1064 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]); 1065 1066 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS]) 1067 capa->max_csa_counters = 1068 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]); 1069 1070 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG]) 1071 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY; 1072 1073 return NL_SKIP; 1074 } 1075 1076 1077 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, 1078 struct wiphy_info_data *info) 1079 { 1080 u32 feat; 1081 struct nl_msg *msg; 1082 int flags = 0; 1083 1084 os_memset(info, 0, sizeof(*info)); 1085 info->capa = &drv->capa; 1086 info->drv = drv; 1087 1088 feat = get_nl80211_protocol_features(drv); 1089 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 1090 flags = NLM_F_DUMP; 1091 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY); 1092 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 1093 nlmsg_free(msg); 1094 return -1; 1095 } 1096 1097 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info, NULL, NULL)) 1098 return -1; 1099 1100 if (info->auth_supported) 1101 drv->capa.flags |= WPA_DRIVER_FLAGS_SME; 1102 else if (!info->connect_supported) { 1103 wpa_printf(MSG_INFO, "nl80211: Driver does not support " 1104 "authentication/association or connect commands"); 1105 info->error = 1; 1106 } 1107 1108 if (info->p2p_go_supported && info->p2p_client_supported) 1109 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; 1110 if (info->p2p_concurrent) { 1111 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " 1112 "interface (driver advertised support)"); 1113 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; 1114 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; 1115 } 1116 if (info->num_multichan_concurrent > 1) { 1117 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " 1118 "concurrent (driver advertised support)"); 1119 drv->capa.num_multichan_concurrent = 1120 info->num_multichan_concurrent; 1121 } 1122 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) 1123 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support"); 1124 1125 /* default to 5000 since early versions of mac80211 don't set it */ 1126 if (!drv->capa.max_remain_on_chan) 1127 drv->capa.max_remain_on_chan = 5000; 1128 1129 drv->capa.wmm_ac_supported = info->wmm_ac_supported; 1130 1131 drv->capa.mac_addr_rand_sched_scan_supported = 1132 info->mac_addr_rand_sched_scan_supported; 1133 drv->capa.mac_addr_rand_scan_supported = 1134 info->mac_addr_rand_scan_supported; 1135 1136 if (info->channel_switch_supported) { 1137 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA; 1138 if (!drv->capa.max_csa_counters) 1139 drv->capa.max_csa_counters = 1; 1140 } 1141 1142 if (!drv->capa.max_sched_scan_plans) { 1143 drv->capa.max_sched_scan_plans = 1; 1144 drv->capa.max_sched_scan_plan_interval = UINT32_MAX; 1145 drv->capa.max_sched_scan_plan_iterations = 0; 1146 } 1147 1148 if (info->update_ft_ies_supported) 1149 drv->capa.flags |= WPA_DRIVER_FLAGS_UPDATE_FT_IES; 1150 1151 return 0; 1152 } 1153 1154 1155 #ifdef CONFIG_DRIVER_NL80211_QCA 1156 1157 static int dfs_info_handler(struct nl_msg *msg, void *arg) 1158 { 1159 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 1160 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1161 int *dfs_capability_ptr = arg; 1162 1163 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1164 genlmsg_attrlen(gnlh, 0), NULL); 1165 1166 if (tb[NL80211_ATTR_VENDOR_DATA]) { 1167 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 1168 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 1169 1170 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 1171 nla_data(nl_vend), nla_len(nl_vend), NULL); 1172 1173 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) { 1174 u32 val; 1175 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]); 1176 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u", 1177 val); 1178 *dfs_capability_ptr = val; 1179 } 1180 } 1181 1182 return NL_SKIP; 1183 } 1184 1185 1186 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv) 1187 { 1188 struct nl_msg *msg; 1189 int dfs_capability = 0; 1190 int ret; 1191 1192 if (!drv->dfs_vendor_cmd_avail) 1193 return; 1194 1195 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1196 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1197 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1198 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) { 1199 nlmsg_free(msg); 1200 return; 1201 } 1202 1203 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability, 1204 NULL, NULL); 1205 if (!ret && dfs_capability) 1206 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; 1207 } 1208 1209 1210 struct features_info { 1211 u8 *flags; 1212 size_t flags_len; 1213 struct wpa_driver_capa *capa; 1214 }; 1215 1216 1217 static int features_info_handler(struct nl_msg *msg, void *arg) 1218 { 1219 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 1220 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1221 struct features_info *info = arg; 1222 struct nlattr *nl_vend, *attr; 1223 1224 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1225 genlmsg_attrlen(gnlh, 0), NULL); 1226 1227 nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 1228 if (nl_vend) { 1229 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 1230 1231 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 1232 nla_data(nl_vend), nla_len(nl_vend), NULL); 1233 1234 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS]; 1235 if (attr) { 1236 int len = nla_len(attr); 1237 info->flags = os_malloc(len); 1238 if (info->flags != NULL) { 1239 os_memcpy(info->flags, nla_data(attr), len); 1240 info->flags_len = len; 1241 } 1242 } 1243 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA]; 1244 if (attr) 1245 info->capa->conc_capab = nla_get_u32(attr); 1246 1247 attr = tb_vendor[ 1248 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND]; 1249 if (attr) 1250 info->capa->max_conc_chan_2_4 = nla_get_u32(attr); 1251 1252 attr = tb_vendor[ 1253 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND]; 1254 if (attr) 1255 info->capa->max_conc_chan_5_0 = nla_get_u32(attr); 1256 } 1257 1258 return NL_SKIP; 1259 } 1260 1261 1262 static int check_feature(enum qca_wlan_vendor_features feature, 1263 struct features_info *info) 1264 { 1265 size_t idx = feature / 8; 1266 1267 return (idx < info->flags_len) && 1268 (info->flags[idx] & BIT(feature % 8)); 1269 } 1270 1271 1272 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv) 1273 { 1274 struct nl_msg *msg; 1275 struct features_info info; 1276 int ret; 1277 1278 if (!drv->get_features_vendor_cmd_avail) 1279 return; 1280 1281 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1282 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1283 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1284 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) { 1285 nlmsg_free(msg); 1286 return; 1287 } 1288 1289 os_memset(&info, 0, sizeof(info)); 1290 info.capa = &drv->capa; 1291 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info, 1292 NULL, NULL); 1293 if (ret || !info.flags) 1294 return; 1295 1296 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info)) 1297 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD; 1298 1299 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info)) 1300 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY; 1301 1302 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS, 1303 &info)) 1304 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1305 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info)) 1306 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD; 1307 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info)) 1308 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA; 1309 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info)) 1310 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP; 1311 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info)) 1312 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON; 1313 os_free(info.flags); 1314 } 1315 1316 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1317 1318 1319 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) 1320 { 1321 struct wiphy_info_data info; 1322 int i; 1323 1324 if (wpa_driver_nl80211_get_info(drv, &info)) 1325 return -1; 1326 1327 if (info.error) 1328 return -1; 1329 1330 drv->has_capability = 1; 1331 drv->has_driver_key_mgmt = info.has_key_mgmt | info.has_key_mgmt_iftype; 1332 1333 /* Fallback to hardcoded defaults if the driver does nott advertize any 1334 * AKM capabilities. */ 1335 if (!drv->has_driver_key_mgmt) { 1336 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | 1337 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | 1338 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | 1339 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK | 1340 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B | 1341 WPA_DRIVER_CAPA_KEY_MGMT_OWE | 1342 WPA_DRIVER_CAPA_KEY_MGMT_DPP; 1343 1344 if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 | 1345 WPA_DRIVER_CAPA_ENC_GCMP_256)) 1346 drv->capa.key_mgmt |= 1347 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192; 1348 1349 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) 1350 drv->capa.key_mgmt |= 1351 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1352 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 | 1353 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 | 1354 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 | 1355 WPA_DRIVER_CAPA_KEY_MGMT_SAE; 1356 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD) 1357 drv->capa.key_mgmt |= 1358 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1359 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; 1360 } 1361 1362 if (!info.has_key_mgmt_iftype) { 1363 /* If the driver does not advertize per interface AKM 1364 * capabilities, consider all interfaces to support default AKMs 1365 * in key_mgmt. */ 1366 for (i = 0; i < WPA_IF_MAX; i++) 1367 drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt; 1368 } else if (info.has_key_mgmt_iftype && !info.has_key_mgmt) { 1369 /* If the driver advertizes only per interface supported AKMs 1370 * but does not advertize per wiphy AKM capabilities, consider 1371 * the default key_mgmt as a mask of per interface supported 1372 * AKMs. */ 1373 drv->capa.key_mgmt = 0; 1374 for (i = 0; i < WPA_IF_MAX; i++) 1375 drv->capa.key_mgmt |= drv->capa.key_mgmt_iftype[i]; 1376 } else if (info.has_key_mgmt_iftype && info.has_key_mgmt) { 1377 /* If the driver advertizes AKM capabilities both per wiphy and 1378 * per interface, consider the interfaces for which per 1379 * interface AKM capabilities were not received to support the 1380 * default key_mgmt capabilities. 1381 */ 1382 for (i = 0; i < WPA_IF_MAX; i++) 1383 if (!drv->capa.key_mgmt_iftype[i]) 1384 drv->capa.key_mgmt_iftype[i] = 1385 drv->capa.key_mgmt; 1386 } 1387 1388 drv->capa.auth = WPA_DRIVER_AUTH_OPEN | 1389 WPA_DRIVER_AUTH_SHARED | 1390 WPA_DRIVER_AUTH_LEAP; 1391 1392 drv->capa.flags |= WPA_DRIVER_FLAGS_VALID_ERROR_CODES; 1393 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; 1394 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1395 1396 /* 1397 * As all cfg80211 drivers must support cases where the AP interface is 1398 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in 1399 * case that the user space daemon has crashed, they must be able to 1400 * cleanup all stations and key entries in the AP tear down flow. Thus, 1401 * this flag can/should always be set for cfg80211 drivers. 1402 */ 1403 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT; 1404 1405 if (!info.device_ap_sme) { 1406 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; 1407 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_AP_SME; 1408 1409 /* 1410 * No AP SME is currently assumed to also indicate no AP MLME 1411 * in the driver/firmware. 1412 */ 1413 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; 1414 } 1415 1416 drv->device_ap_sme = info.device_ap_sme; 1417 drv->poll_command_supported = info.poll_command_supported; 1418 drv->data_tx_status = info.data_tx_status; 1419 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported; 1420 if (info.set_qos_map_supported) 1421 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING; 1422 drv->have_low_prio_scan = info.have_low_prio_scan; 1423 1424 /* 1425 * If poll command and tx status are supported, mac80211 is new enough 1426 * to have everything we need to not need monitor interfaces. 1427 */ 1428 drv->use_monitor = !info.device_ap_sme && 1429 (!info.poll_command_supported || !info.data_tx_status); 1430 1431 /* 1432 * If we aren't going to use monitor interfaces, but the 1433 * driver doesn't support data TX status, we won't get TX 1434 * status for EAPOL frames. 1435 */ 1436 if (!drv->use_monitor && !info.data_tx_status) 1437 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1438 1439 #ifdef CONFIG_DRIVER_NL80211_QCA 1440 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)) 1441 qca_nl80211_check_dfs_capa(drv); 1442 qca_nl80211_get_features(drv); 1443 1444 /* 1445 * To enable offchannel simultaneous support in wpa_supplicant, the 1446 * underlying driver needs to support the same along with offchannel TX. 1447 * Offchannel TX support is needed since remain_on_channel and 1448 * action_tx use some common data structures and hence cannot be 1449 * scheduled simultaneously. 1450 */ 1451 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX)) 1452 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1453 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1454 1455 wpa_printf(MSG_DEBUG, 1456 "nl80211: key_mgmt=0x%x enc=0x%x auth=0x%x flags=0x%llx rrm_flags=0x%x probe_resp_offloads=0x%x max_stations=%u max_remain_on_chan=%u max_scan_ssids=%d", 1457 drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth, 1458 (unsigned long long) drv->capa.flags, drv->capa.rrm_flags, 1459 drv->capa.probe_resp_offloads, drv->capa.max_stations, 1460 drv->capa.max_remain_on_chan, drv->capa.max_scan_ssids); 1461 return 0; 1462 } 1463 1464 1465 struct phy_info_arg { 1466 u16 *num_modes; 1467 struct hostapd_hw_modes *modes; 1468 int last_mode, last_chan_idx; 1469 int failed; 1470 u8 dfs_domain; 1471 }; 1472 1473 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa, 1474 struct nlattr *ampdu_factor, 1475 struct nlattr *ampdu_density, 1476 struct nlattr *mcs_set) 1477 { 1478 if (capa) 1479 mode->ht_capab = nla_get_u16(capa); 1480 1481 if (ampdu_factor) 1482 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03; 1483 1484 if (ampdu_density) 1485 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2; 1486 1487 if (mcs_set && nla_len(mcs_set) >= 16) { 1488 u8 *mcs; 1489 mcs = nla_data(mcs_set); 1490 os_memcpy(mode->mcs_set, mcs, 16); 1491 } 1492 } 1493 1494 1495 static void phy_info_vht_capa(struct hostapd_hw_modes *mode, 1496 struct nlattr *capa, 1497 struct nlattr *mcs_set) 1498 { 1499 if (capa) 1500 mode->vht_capab = nla_get_u32(capa); 1501 1502 if (mcs_set && nla_len(mcs_set) >= 8) { 1503 u8 *mcs; 1504 mcs = nla_data(mcs_set); 1505 os_memcpy(mode->vht_mcs_set, mcs, 8); 1506 } 1507 } 1508 1509 1510 static int phy_info_edmg_capa(struct hostapd_hw_modes *mode, 1511 struct nlattr *bw_config, 1512 struct nlattr *channels) 1513 { 1514 if (!bw_config || !channels) 1515 return NL_OK; 1516 1517 mode->edmg.bw_config = nla_get_u8(bw_config); 1518 mode->edmg.channels = nla_get_u8(channels); 1519 1520 if (!mode->edmg.channels || !mode->edmg.bw_config) 1521 return NL_STOP; 1522 1523 return NL_OK; 1524 } 1525 1526 1527 static int cw2ecw(unsigned int cw) 1528 { 1529 int bit; 1530 1531 if (cw == 0) 1532 return 0; 1533 1534 for (bit = 1; cw != 1; bit++) 1535 cw >>= 1; 1536 1537 return bit; 1538 } 1539 1540 1541 static void phy_info_freq(struct hostapd_hw_modes *mode, 1542 struct hostapd_channel_data *chan, 1543 struct nlattr *tb_freq[]) 1544 { 1545 u8 channel; 1546 1547 os_memset(chan, 0, sizeof(*chan)); 1548 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); 1549 chan->flag = 0; 1550 chan->allowed_bw = ~0; 1551 chan->dfs_cac_ms = 0; 1552 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES) 1553 chan->chan = channel; 1554 else 1555 wpa_printf(MSG_DEBUG, 1556 "nl80211: No channel number found for frequency %u MHz", 1557 chan->freq); 1558 1559 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) 1560 chan->flag |= HOSTAPD_CHAN_DISABLED; 1561 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR]) 1562 chan->flag |= HOSTAPD_CHAN_NO_IR; 1563 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) 1564 chan->flag |= HOSTAPD_CHAN_RADAR; 1565 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY]) 1566 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY; 1567 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT]) 1568 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT; 1569 1570 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ]) 1571 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10; 1572 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ]) 1573 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20; 1574 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS]) 1575 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P; 1576 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS]) 1577 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M; 1578 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ]) 1579 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80; 1580 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ]) 1581 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160; 1582 1583 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { 1584 enum nl80211_dfs_state state = 1585 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); 1586 1587 switch (state) { 1588 case NL80211_DFS_USABLE: 1589 chan->flag |= HOSTAPD_CHAN_DFS_USABLE; 1590 break; 1591 case NL80211_DFS_AVAILABLE: 1592 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE; 1593 break; 1594 case NL80211_DFS_UNAVAILABLE: 1595 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE; 1596 break; 1597 } 1598 } 1599 1600 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) { 1601 chan->dfs_cac_ms = nla_get_u32( 1602 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]); 1603 } 1604 1605 chan->wmm_rules_valid = 0; 1606 if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) { 1607 static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = { 1608 [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 }, 1609 [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 }, 1610 [NL80211_WMMR_AIFSN] = { .type = NLA_U8 }, 1611 [NL80211_WMMR_TXOP] = { .type = NLA_U16 }, 1612 }; 1613 static const u8 wmm_map[4] = { 1614 [NL80211_AC_BE] = WMM_AC_BE, 1615 [NL80211_AC_BK] = WMM_AC_BK, 1616 [NL80211_AC_VI] = WMM_AC_VI, 1617 [NL80211_AC_VO] = WMM_AC_VO, 1618 }; 1619 struct nlattr *nl_wmm; 1620 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1]; 1621 int rem_wmm, ac, count = 0; 1622 1623 nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM], 1624 rem_wmm) { 1625 if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm, 1626 wmm_policy)) { 1627 wpa_printf(MSG_DEBUG, 1628 "nl80211: Failed to parse WMM rules attribute"); 1629 return; 1630 } 1631 if (!tb_wmm[NL80211_WMMR_CW_MIN] || 1632 !tb_wmm[NL80211_WMMR_CW_MAX] || 1633 !tb_wmm[NL80211_WMMR_AIFSN] || 1634 !tb_wmm[NL80211_WMMR_TXOP]) { 1635 wpa_printf(MSG_DEBUG, 1636 "nl80211: Channel is missing WMM rule attribute"); 1637 return; 1638 } 1639 ac = nl_wmm->nla_type; 1640 if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) { 1641 wpa_printf(MSG_DEBUG, 1642 "nl80211: Invalid AC value %d", ac); 1643 return; 1644 } 1645 1646 ac = wmm_map[ac]; 1647 chan->wmm_rules[ac].min_cwmin = 1648 cw2ecw(nla_get_u16( 1649 tb_wmm[NL80211_WMMR_CW_MIN])); 1650 chan->wmm_rules[ac].min_cwmax = 1651 cw2ecw(nla_get_u16( 1652 tb_wmm[NL80211_WMMR_CW_MAX])); 1653 chan->wmm_rules[ac].min_aifs = 1654 nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]); 1655 chan->wmm_rules[ac].max_txop = 1656 nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32; 1657 count++; 1658 } 1659 1660 /* Set valid flag if all the AC rules are present */ 1661 if (count == WMM_AC_NUM) 1662 chan->wmm_rules_valid = 1; 1663 } 1664 } 1665 1666 1667 static int phy_info_freqs(struct phy_info_arg *phy_info, 1668 struct hostapd_hw_modes *mode, struct nlattr *tb) 1669 { 1670 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 1671 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, 1672 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, 1673 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, 1674 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, 1675 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, 1676 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 }, 1677 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG }, 1678 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG }, 1679 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG }, 1680 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG }, 1681 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG }, 1682 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG }, 1683 }; 1684 int new_channels = 0; 1685 struct hostapd_channel_data *channel; 1686 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; 1687 struct nlattr *nl_freq; 1688 int rem_freq, idx; 1689 1690 if (tb == NULL) 1691 return NL_OK; 1692 1693 nla_for_each_nested(nl_freq, tb, rem_freq) { 1694 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1695 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1696 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1697 continue; 1698 new_channels++; 1699 } 1700 1701 channel = os_realloc_array(mode->channels, 1702 mode->num_channels + new_channels, 1703 sizeof(struct hostapd_channel_data)); 1704 if (!channel) 1705 return NL_STOP; 1706 1707 mode->channels = channel; 1708 mode->num_channels += new_channels; 1709 1710 idx = phy_info->last_chan_idx; 1711 1712 nla_for_each_nested(nl_freq, tb, rem_freq) { 1713 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1714 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1715 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1716 continue; 1717 phy_info_freq(mode, &mode->channels[idx], tb_freq); 1718 idx++; 1719 } 1720 phy_info->last_chan_idx = idx; 1721 1722 return NL_OK; 1723 } 1724 1725 1726 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb) 1727 { 1728 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { 1729 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, 1730 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = 1731 { .type = NLA_FLAG }, 1732 }; 1733 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; 1734 struct nlattr *nl_rate; 1735 int rem_rate, idx; 1736 1737 if (tb == NULL) 1738 return NL_OK; 1739 1740 nla_for_each_nested(nl_rate, tb, rem_rate) { 1741 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1742 nla_data(nl_rate), nla_len(nl_rate), 1743 rate_policy); 1744 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1745 continue; 1746 mode->num_rates++; 1747 } 1748 1749 mode->rates = os_calloc(mode->num_rates, sizeof(int)); 1750 if (!mode->rates) 1751 return NL_STOP; 1752 1753 idx = 0; 1754 1755 nla_for_each_nested(nl_rate, tb, rem_rate) { 1756 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1757 nla_data(nl_rate), nla_len(nl_rate), 1758 rate_policy); 1759 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1760 continue; 1761 mode->rates[idx] = nla_get_u32( 1762 tb_rate[NL80211_BITRATE_ATTR_RATE]); 1763 idx++; 1764 } 1765 1766 return NL_OK; 1767 } 1768 1769 1770 static void phy_info_iftype_copy(struct he_capabilities *he_capab, 1771 enum ieee80211_op_mode opmode, 1772 struct nlattr **tb, struct nlattr **tb_flags) 1773 { 1774 enum nl80211_iftype iftype; 1775 size_t len; 1776 1777 switch (opmode) { 1778 case IEEE80211_MODE_INFRA: 1779 iftype = NL80211_IFTYPE_STATION; 1780 break; 1781 case IEEE80211_MODE_IBSS: 1782 iftype = NL80211_IFTYPE_ADHOC; 1783 break; 1784 case IEEE80211_MODE_AP: 1785 iftype = NL80211_IFTYPE_AP; 1786 break; 1787 case IEEE80211_MODE_MESH: 1788 iftype = NL80211_IFTYPE_MESH_POINT; 1789 break; 1790 default: 1791 return; 1792 } 1793 1794 if (!nla_get_flag(tb_flags[iftype])) 1795 return; 1796 1797 he_capab->he_supported = 1; 1798 1799 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) { 1800 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]); 1801 1802 if (len > sizeof(he_capab->phy_cap)) 1803 len = sizeof(he_capab->phy_cap); 1804 os_memcpy(he_capab->phy_cap, 1805 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]), 1806 len); 1807 } 1808 1809 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) { 1810 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]); 1811 1812 if (len > sizeof(he_capab->mac_cap)) 1813 len = sizeof(he_capab->mac_cap); 1814 os_memcpy(he_capab->mac_cap, 1815 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]), 1816 len); 1817 } 1818 1819 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) { 1820 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]); 1821 1822 if (len > sizeof(he_capab->mcs)) 1823 len = sizeof(he_capab->mcs); 1824 os_memcpy(he_capab->mcs, 1825 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]), 1826 len); 1827 } 1828 1829 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) { 1830 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]); 1831 1832 if (len > sizeof(he_capab->ppet)) 1833 len = sizeof(he_capab->ppet); 1834 os_memcpy(&he_capab->ppet, 1835 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]), 1836 len); 1837 } 1838 1839 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]) { 1840 u16 capa; 1841 1842 capa = nla_get_u16(tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]); 1843 he_capab->he_6ghz_capa = le_to_host16(capa); 1844 } 1845 } 1846 1847 1848 static int phy_info_iftype(struct hostapd_hw_modes *mode, 1849 struct nlattr *nl_iftype) 1850 { 1851 struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1]; 1852 struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1]; 1853 unsigned int i; 1854 1855 nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX, 1856 nla_data(nl_iftype), nla_len(nl_iftype), NULL); 1857 1858 if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES]) 1859 return NL_STOP; 1860 1861 if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX, 1862 tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL)) 1863 return NL_STOP; 1864 1865 for (i = 0; i < IEEE80211_MODE_NUM; i++) 1866 phy_info_iftype_copy(&mode->he_capab[i], i, tb, tb_flags); 1867 1868 return NL_OK; 1869 } 1870 1871 1872 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band) 1873 { 1874 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; 1875 struct hostapd_hw_modes *mode; 1876 int ret; 1877 1878 if (phy_info->last_mode != nl_band->nla_type) { 1879 mode = os_realloc_array(phy_info->modes, 1880 *phy_info->num_modes + 1, 1881 sizeof(*mode)); 1882 if (!mode) { 1883 phy_info->failed = 1; 1884 return NL_STOP; 1885 } 1886 phy_info->modes = mode; 1887 1888 mode = &phy_info->modes[*(phy_info->num_modes)]; 1889 os_memset(mode, 0, sizeof(*mode)); 1890 mode->mode = NUM_HOSTAPD_MODES; 1891 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN | 1892 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN; 1893 1894 /* 1895 * Unsupported VHT MCS stream is defined as value 3, so the VHT 1896 * MCS RX/TX map must be initialized with 0xffff to mark all 8 1897 * possible streams as unsupported. This will be overridden if 1898 * driver advertises VHT support. 1899 */ 1900 mode->vht_mcs_set[0] = 0xff; 1901 mode->vht_mcs_set[1] = 0xff; 1902 mode->vht_mcs_set[4] = 0xff; 1903 mode->vht_mcs_set[5] = 0xff; 1904 1905 *(phy_info->num_modes) += 1; 1906 phy_info->last_mode = nl_band->nla_type; 1907 phy_info->last_chan_idx = 0; 1908 } else 1909 mode = &phy_info->modes[*(phy_info->num_modes) - 1]; 1910 1911 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), 1912 nla_len(nl_band), NULL); 1913 1914 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA], 1915 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR], 1916 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY], 1917 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]); 1918 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA], 1919 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); 1920 ret = phy_info_edmg_capa(mode, 1921 tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG], 1922 tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]); 1923 if (ret == NL_OK) 1924 ret = phy_info_freqs(phy_info, mode, 1925 tb_band[NL80211_BAND_ATTR_FREQS]); 1926 if (ret == NL_OK) 1927 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]); 1928 if (ret != NL_OK) { 1929 phy_info->failed = 1; 1930 return ret; 1931 } 1932 1933 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) { 1934 struct nlattr *nl_iftype; 1935 int rem_band; 1936 1937 nla_for_each_nested(nl_iftype, 1938 tb_band[NL80211_BAND_ATTR_IFTYPE_DATA], 1939 rem_band) { 1940 ret = phy_info_iftype(mode, nl_iftype); 1941 if (ret != NL_OK) 1942 return ret; 1943 } 1944 } 1945 1946 return NL_OK; 1947 } 1948 1949 1950 static int phy_info_handler(struct nl_msg *msg, void *arg) 1951 { 1952 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 1953 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1954 struct phy_info_arg *phy_info = arg; 1955 struct nlattr *nl_band; 1956 int rem_band; 1957 1958 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1959 genlmsg_attrlen(gnlh, 0), NULL); 1960 1961 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS]) 1962 return NL_SKIP; 1963 1964 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) 1965 { 1966 int res = phy_info_band(phy_info, nl_band); 1967 if (res != NL_OK) 1968 return res; 1969 } 1970 1971 return NL_SKIP; 1972 } 1973 1974 1975 static struct hostapd_hw_modes * 1976 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes, 1977 u16 *num_modes) 1978 { 1979 u16 m; 1980 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode; 1981 int i, mode11g_idx = -1; 1982 1983 /* heuristic to set up modes */ 1984 for (m = 0; m < *num_modes; m++) { 1985 if (!modes[m].num_channels) 1986 continue; 1987 if (modes[m].channels[0].freq < 2000) { 1988 modes[m].num_channels = 0; 1989 continue; 1990 } else if (modes[m].channels[0].freq < 4000) { 1991 modes[m].mode = HOSTAPD_MODE_IEEE80211B; 1992 for (i = 0; i < modes[m].num_rates; i++) { 1993 if (modes[m].rates[i] > 200) { 1994 modes[m].mode = HOSTAPD_MODE_IEEE80211G; 1995 break; 1996 } 1997 } 1998 } else if (modes[m].channels[0].freq > 50000) 1999 modes[m].mode = HOSTAPD_MODE_IEEE80211AD; 2000 else 2001 modes[m].mode = HOSTAPD_MODE_IEEE80211A; 2002 } 2003 2004 /* Remove unsupported bands */ 2005 m = 0; 2006 while (m < *num_modes) { 2007 if (modes[m].mode == NUM_HOSTAPD_MODES) { 2008 wpa_printf(MSG_DEBUG, 2009 "nl80211: Remove unsupported mode"); 2010 os_free(modes[m].channels); 2011 os_free(modes[m].rates); 2012 if (m + 1 < *num_modes) 2013 os_memmove(&modes[m], &modes[m + 1], 2014 sizeof(struct hostapd_hw_modes) * 2015 (*num_modes - (m + 1))); 2016 (*num_modes)--; 2017 continue; 2018 } 2019 m++; 2020 } 2021 2022 /* If only 802.11g mode is included, use it to construct matching 2023 * 802.11b mode data. */ 2024 2025 for (m = 0; m < *num_modes; m++) { 2026 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B) 2027 return modes; /* 802.11b already included */ 2028 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G) 2029 mode11g_idx = m; 2030 } 2031 2032 if (mode11g_idx < 0) 2033 return modes; /* 2.4 GHz band not supported at all */ 2034 2035 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); 2036 if (nmodes == NULL) 2037 return modes; /* Could not add 802.11b mode */ 2038 2039 mode = &nmodes[*num_modes]; 2040 os_memset(mode, 0, sizeof(*mode)); 2041 (*num_modes)++; 2042 modes = nmodes; 2043 2044 mode->mode = HOSTAPD_MODE_IEEE80211B; 2045 2046 mode11g = &modes[mode11g_idx]; 2047 mode->num_channels = mode11g->num_channels; 2048 mode->channels = os_memdup(mode11g->channels, 2049 mode11g->num_channels * 2050 sizeof(struct hostapd_channel_data)); 2051 if (mode->channels == NULL) { 2052 (*num_modes)--; 2053 return modes; /* Could not add 802.11b mode */ 2054 } 2055 2056 mode->num_rates = 0; 2057 mode->rates = os_malloc(4 * sizeof(int)); 2058 if (mode->rates == NULL) { 2059 os_free(mode->channels); 2060 (*num_modes)--; 2061 return modes; /* Could not add 802.11b mode */ 2062 } 2063 2064 for (i = 0; i < mode11g->num_rates; i++) { 2065 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 && 2066 mode11g->rates[i] != 55 && mode11g->rates[i] != 110) 2067 continue; 2068 mode->rates[mode->num_rates] = mode11g->rates[i]; 2069 mode->num_rates++; 2070 if (mode->num_rates == 4) 2071 break; 2072 } 2073 2074 if (mode->num_rates == 0) { 2075 os_free(mode->channels); 2076 os_free(mode->rates); 2077 (*num_modes)--; 2078 return modes; /* No 802.11b rates */ 2079 } 2080 2081 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g " 2082 "information"); 2083 2084 return modes; 2085 } 2086 2087 2088 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, 2089 int end) 2090 { 2091 int c; 2092 2093 for (c = 0; c < mode->num_channels; c++) { 2094 struct hostapd_channel_data *chan = &mode->channels[c]; 2095 if (chan->freq - 10 >= start && chan->freq + 10 <= end) 2096 chan->flag |= HOSTAPD_CHAN_HT40; 2097 } 2098 } 2099 2100 2101 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, 2102 int end) 2103 { 2104 int c; 2105 2106 for (c = 0; c < mode->num_channels; c++) { 2107 struct hostapd_channel_data *chan = &mode->channels[c]; 2108 if (!(chan->flag & HOSTAPD_CHAN_HT40)) 2109 continue; 2110 if (chan->freq - 30 >= start && chan->freq - 10 <= end) 2111 chan->flag |= HOSTAPD_CHAN_HT40MINUS; 2112 if (chan->freq + 10 >= start && chan->freq + 30 <= end) 2113 chan->flag |= HOSTAPD_CHAN_HT40PLUS; 2114 } 2115 } 2116 2117 2118 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp, 2119 struct phy_info_arg *results) 2120 { 2121 u16 m; 2122 2123 for (m = 0; m < *results->num_modes; m++) { 2124 int c; 2125 struct hostapd_hw_modes *mode = &results->modes[m]; 2126 2127 for (c = 0; c < mode->num_channels; c++) { 2128 struct hostapd_channel_data *chan = &mode->channels[c]; 2129 if ((u32) chan->freq - 10 >= start && 2130 (u32) chan->freq + 10 <= end) 2131 chan->max_tx_power = max_eirp; 2132 } 2133 } 2134 } 2135 2136 2137 static void nl80211_reg_rule_ht40(u32 start, u32 end, 2138 struct phy_info_arg *results) 2139 { 2140 u16 m; 2141 2142 for (m = 0; m < *results->num_modes; m++) { 2143 if (!(results->modes[m].ht_capab & 2144 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 2145 continue; 2146 nl80211_set_ht40_mode(&results->modes[m], start, end); 2147 } 2148 } 2149 2150 2151 static void nl80211_reg_rule_sec(struct nlattr *tb[], 2152 struct phy_info_arg *results) 2153 { 2154 u32 start, end, max_bw; 2155 u16 m; 2156 2157 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 2158 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 2159 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 2160 return; 2161 2162 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 2163 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 2164 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 2165 2166 if (max_bw < 20) 2167 return; 2168 2169 for (m = 0; m < *results->num_modes; m++) { 2170 if (!(results->modes[m].ht_capab & 2171 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 2172 continue; 2173 nl80211_set_ht40_mode_sec(&results->modes[m], start, end); 2174 } 2175 } 2176 2177 2178 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start, 2179 int end, int max_bw) 2180 { 2181 int c; 2182 2183 for (c = 0; c < mode->num_channels; c++) { 2184 struct hostapd_channel_data *chan = &mode->channels[c]; 2185 if (chan->freq - 10 >= start && chan->freq + 70 <= end) 2186 chan->flag |= HOSTAPD_CHAN_VHT_10_70; 2187 2188 if (chan->freq - 30 >= start && chan->freq + 50 <= end) 2189 chan->flag |= HOSTAPD_CHAN_VHT_30_50; 2190 2191 if (chan->freq - 50 >= start && chan->freq + 30 <= end) 2192 chan->flag |= HOSTAPD_CHAN_VHT_50_30; 2193 2194 if (chan->freq - 70 >= start && chan->freq + 10 <= end) 2195 chan->flag |= HOSTAPD_CHAN_VHT_70_10; 2196 2197 if (max_bw >= 160) { 2198 if (chan->freq - 10 >= start && chan->freq + 150 <= end) 2199 chan->flag |= HOSTAPD_CHAN_VHT_10_150; 2200 2201 if (chan->freq - 30 >= start && chan->freq + 130 <= end) 2202 chan->flag |= HOSTAPD_CHAN_VHT_30_130; 2203 2204 if (chan->freq - 50 >= start && chan->freq + 110 <= end) 2205 chan->flag |= HOSTAPD_CHAN_VHT_50_110; 2206 2207 if (chan->freq - 70 >= start && chan->freq + 90 <= end) 2208 chan->flag |= HOSTAPD_CHAN_VHT_70_90; 2209 2210 if (chan->freq - 90 >= start && chan->freq + 70 <= end) 2211 chan->flag |= HOSTAPD_CHAN_VHT_90_70; 2212 2213 if (chan->freq - 110 >= start && chan->freq + 50 <= end) 2214 chan->flag |= HOSTAPD_CHAN_VHT_110_50; 2215 2216 if (chan->freq - 130 >= start && chan->freq + 30 <= end) 2217 chan->flag |= HOSTAPD_CHAN_VHT_130_30; 2218 2219 if (chan->freq - 150 >= start && chan->freq + 10 <= end) 2220 chan->flag |= HOSTAPD_CHAN_VHT_150_10; 2221 } 2222 } 2223 } 2224 2225 2226 static void nl80211_reg_rule_vht(struct nlattr *tb[], 2227 struct phy_info_arg *results) 2228 { 2229 u32 start, end, max_bw; 2230 u16 m; 2231 2232 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 2233 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 2234 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 2235 return; 2236 2237 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 2238 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 2239 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 2240 2241 if (max_bw < 80) 2242 return; 2243 2244 for (m = 0; m < *results->num_modes; m++) { 2245 if (!(results->modes[m].ht_capab & 2246 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 2247 continue; 2248 /* TODO: use a real VHT support indication */ 2249 if (!results->modes[m].vht_capab) 2250 continue; 2251 2252 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw); 2253 } 2254 } 2255 2256 2257 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region, 2258 u8 *dfs_domain) 2259 { 2260 if (region == NL80211_DFS_FCC) 2261 *dfs_domain = HOSTAPD_DFS_REGION_FCC; 2262 else if (region == NL80211_DFS_ETSI) 2263 *dfs_domain = HOSTAPD_DFS_REGION_ETSI; 2264 else if (region == NL80211_DFS_JP) 2265 *dfs_domain = HOSTAPD_DFS_REGION_JP; 2266 else 2267 *dfs_domain = 0; 2268 } 2269 2270 2271 static const char * dfs_domain_name(enum nl80211_dfs_regions region) 2272 { 2273 switch (region) { 2274 case NL80211_DFS_UNSET: 2275 return "DFS-UNSET"; 2276 case NL80211_DFS_FCC: 2277 return "DFS-FCC"; 2278 case NL80211_DFS_ETSI: 2279 return "DFS-ETSI"; 2280 case NL80211_DFS_JP: 2281 return "DFS-JP"; 2282 default: 2283 return "DFS-invalid"; 2284 } 2285 } 2286 2287 2288 static int nl80211_get_reg(struct nl_msg *msg, void *arg) 2289 { 2290 struct phy_info_arg *results = arg; 2291 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 2292 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 2293 struct nlattr *nl_rule; 2294 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; 2295 int rem_rule; 2296 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 2297 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, 2298 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, 2299 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, 2300 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, 2301 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, 2302 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, 2303 }; 2304 2305 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 2306 genlmsg_attrlen(gnlh, 0), NULL); 2307 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || 2308 !tb_msg[NL80211_ATTR_REG_RULES]) { 2309 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " 2310 "available"); 2311 return NL_SKIP; 2312 } 2313 2314 if (tb_msg[NL80211_ATTR_DFS_REGION]) { 2315 enum nl80211_dfs_regions dfs_domain; 2316 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]); 2317 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain); 2318 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)", 2319 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 2320 dfs_domain_name(dfs_domain)); 2321 } else { 2322 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", 2323 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); 2324 } 2325 2326 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 2327 { 2328 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0; 2329 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 2330 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 2331 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL || 2332 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL) 2333 continue; 2334 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 2335 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 2336 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 2337 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100; 2338 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) 2339 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 2340 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS]) 2341 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]); 2342 2343 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s", 2344 start, end, max_bw, max_eirp, 2345 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "", 2346 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "", 2347 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "", 2348 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" : 2349 "", 2350 flags & NL80211_RRF_DFS ? " (DFS)" : "", 2351 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "", 2352 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "", 2353 flags & NL80211_RRF_NO_IR ? " (no IR)" : ""); 2354 if (max_bw >= 40) 2355 nl80211_reg_rule_ht40(start, end, results); 2356 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 2357 nl80211_reg_rule_max_eirp(start, end, max_eirp, 2358 results); 2359 } 2360 2361 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 2362 { 2363 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 2364 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 2365 nl80211_reg_rule_sec(tb_rule, results); 2366 } 2367 2368 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 2369 { 2370 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 2371 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 2372 nl80211_reg_rule_vht(tb_rule, results); 2373 } 2374 2375 return NL_SKIP; 2376 } 2377 2378 2379 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv, 2380 struct phy_info_arg *results) 2381 { 2382 struct nl_msg *msg; 2383 2384 msg = nlmsg_alloc(); 2385 if (!msg) 2386 return -ENOMEM; 2387 2388 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); 2389 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) { 2390 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) { 2391 nlmsg_free(msg); 2392 return -1; 2393 } 2394 } 2395 2396 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results, 2397 NULL, NULL); 2398 } 2399 2400 2401 static const char * modestr(enum hostapd_hw_mode mode) 2402 { 2403 switch (mode) { 2404 case HOSTAPD_MODE_IEEE80211B: 2405 return "802.11b"; 2406 case HOSTAPD_MODE_IEEE80211G: 2407 return "802.11g"; 2408 case HOSTAPD_MODE_IEEE80211A: 2409 return "802.11a"; 2410 case HOSTAPD_MODE_IEEE80211AD: 2411 return "802.11ad"; 2412 default: 2413 return "?"; 2414 } 2415 } 2416 2417 2418 static void nl80211_dump_chan_list(struct hostapd_hw_modes *modes, 2419 u16 num_modes) 2420 { 2421 int i; 2422 2423 if (!modes) 2424 return; 2425 2426 for (i = 0; i < num_modes; i++) { 2427 struct hostapd_hw_modes *mode = &modes[i]; 2428 char str[200]; 2429 char *pos = str; 2430 char *end = pos + sizeof(str); 2431 int j, res; 2432 2433 for (j = 0; j < mode->num_channels; j++) { 2434 struct hostapd_channel_data *chan = &mode->channels[j]; 2435 2436 res = os_snprintf(pos, end - pos, " %d%s%s%s", 2437 chan->freq, 2438 (chan->flag & HOSTAPD_CHAN_DISABLED) ? 2439 "[DISABLED]" : "", 2440 (chan->flag & HOSTAPD_CHAN_NO_IR) ? 2441 "[NO_IR]" : "", 2442 (chan->flag & HOSTAPD_CHAN_RADAR) ? 2443 "[RADAR]" : ""); 2444 if (os_snprintf_error(end - pos, res)) 2445 break; 2446 pos += res; 2447 } 2448 2449 *pos = '\0'; 2450 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s", 2451 modestr(mode->mode), str); 2452 } 2453 } 2454 2455 2456 struct hostapd_hw_modes * 2457 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, 2458 u8 *dfs_domain) 2459 { 2460 u32 feat; 2461 struct i802_bss *bss = priv; 2462 struct wpa_driver_nl80211_data *drv = bss->drv; 2463 int nl_flags = 0; 2464 struct nl_msg *msg; 2465 struct phy_info_arg result = { 2466 .num_modes = num_modes, 2467 .modes = NULL, 2468 .last_mode = -1, 2469 .failed = 0, 2470 .dfs_domain = 0, 2471 }; 2472 2473 *num_modes = 0; 2474 *flags = 0; 2475 *dfs_domain = 0; 2476 2477 feat = get_nl80211_protocol_features(drv); 2478 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 2479 nl_flags = NLM_F_DUMP; 2480 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) || 2481 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 2482 nlmsg_free(msg); 2483 return NULL; 2484 } 2485 2486 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result, 2487 NULL, NULL) == 0) { 2488 struct hostapd_hw_modes *modes; 2489 2490 nl80211_set_regulatory_flags(drv, &result); 2491 if (result.failed) { 2492 int i; 2493 2494 for (i = 0; result.modes && i < *num_modes; i++) { 2495 os_free(result.modes[i].channels); 2496 os_free(result.modes[i].rates); 2497 } 2498 os_free(result.modes); 2499 *num_modes = 0; 2500 return NULL; 2501 } 2502 2503 *dfs_domain = result.dfs_domain; 2504 2505 modes = wpa_driver_nl80211_postprocess_modes(result.modes, 2506 num_modes); 2507 nl80211_dump_chan_list(modes, *num_modes); 2508 return modes; 2509 } 2510 2511 return NULL; 2512 } 2513