1 /* 2 * Driver interaction with Linux nl80211/cfg80211 - Capabilities 3 * Copyright (c) 2002-2015, Jouni Malinen <j (at) w1.fi> 4 * Copyright (c) 2007, Johannes Berg <johannes (at) 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_GET_HE_CAPABILITIES: 782 drv->he_capab_vendor_cmd_avail = 1; 783 break; 784 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS: 785 drv->fetch_bss_trans_status = 1; 786 break; 787 case QCA_NL80211_VENDOR_SUBCMD_ROAM: 788 drv->roam_vendor_cmd_avail = 1; 789 break; 790 case QCA_NL80211_VENDOR_SUBCMD_GET_SUPPORTED_AKMS: 791 drv->get_supported_akm_suites_avail = 1; 792 break; 793 #endif /* CONFIG_DRIVER_NL80211_QCA */ 794 } 795 } 796 797 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u", 798 vinfo->vendor_id, vinfo->subcmd); 799 } 800 } 801 802 if (tb[NL80211_ATTR_VENDOR_EVENTS]) { 803 struct nlattr *nl; 804 int rem; 805 806 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) { 807 struct nl80211_vendor_cmd_info *vinfo; 808 if (nla_len(nl) != sizeof(*vinfo)) { 809 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); 810 continue; 811 } 812 vinfo = nla_data(nl); 813 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u", 814 vinfo->vendor_id, vinfo->subcmd); 815 } 816 } 817 818 wiphy_info_wowlan_triggers(capa, 819 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]); 820 821 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA]) 822 capa->max_stations = 823 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]); 824 825 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS]) 826 capa->max_csa_counters = 827 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]); 828 829 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG]) 830 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY; 831 832 return NL_SKIP; 833 } 834 835 836 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, 837 struct wiphy_info_data *info) 838 { 839 u32 feat; 840 struct nl_msg *msg; 841 int flags = 0; 842 843 os_memset(info, 0, sizeof(*info)); 844 info->capa = &drv->capa; 845 info->drv = drv; 846 847 feat = get_nl80211_protocol_features(drv); 848 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 849 flags = NLM_F_DUMP; 850 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY); 851 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 852 nlmsg_free(msg); 853 return -1; 854 } 855 856 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info)) 857 return -1; 858 859 if (info->auth_supported) 860 drv->capa.flags |= WPA_DRIVER_FLAGS_SME; 861 else if (!info->connect_supported) { 862 wpa_printf(MSG_INFO, "nl80211: Driver does not support " 863 "authentication/association or connect commands"); 864 info->error = 1; 865 } 866 867 if (info->p2p_go_supported && info->p2p_client_supported) 868 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; 869 if (info->p2p_concurrent) { 870 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " 871 "interface (driver advertised support)"); 872 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; 873 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; 874 } 875 if (info->num_multichan_concurrent > 1) { 876 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " 877 "concurrent (driver advertised support)"); 878 drv->capa.num_multichan_concurrent = 879 info->num_multichan_concurrent; 880 } 881 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) 882 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support"); 883 884 /* default to 5000 since early versions of mac80211 don't set it */ 885 if (!drv->capa.max_remain_on_chan) 886 drv->capa.max_remain_on_chan = 5000; 887 888 drv->capa.wmm_ac_supported = info->wmm_ac_supported; 889 890 drv->capa.mac_addr_rand_sched_scan_supported = 891 info->mac_addr_rand_sched_scan_supported; 892 drv->capa.mac_addr_rand_scan_supported = 893 info->mac_addr_rand_scan_supported; 894 895 if (info->channel_switch_supported) { 896 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA; 897 if (!drv->capa.max_csa_counters) 898 drv->capa.max_csa_counters = 1; 899 } 900 901 if (!drv->capa.max_sched_scan_plans) { 902 drv->capa.max_sched_scan_plans = 1; 903 drv->capa.max_sched_scan_plan_interval = UINT32_MAX; 904 drv->capa.max_sched_scan_plan_iterations = 0; 905 } 906 907 return 0; 908 } 909 910 911 #ifdef CONFIG_DRIVER_NL80211_QCA 912 913 static int dfs_info_handler(struct nl_msg *msg, void *arg) 914 { 915 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 916 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 917 int *dfs_capability_ptr = arg; 918 919 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 920 genlmsg_attrlen(gnlh, 0), NULL); 921 922 if (tb[NL80211_ATTR_VENDOR_DATA]) { 923 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 924 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 925 926 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 927 nla_data(nl_vend), nla_len(nl_vend), NULL); 928 929 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) { 930 u32 val; 931 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]); 932 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u", 933 val); 934 *dfs_capability_ptr = val; 935 } 936 } 937 938 return NL_SKIP; 939 } 940 941 942 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv) 943 { 944 struct nl_msg *msg; 945 int dfs_capability = 0; 946 int ret; 947 948 if (!drv->dfs_vendor_cmd_avail) 949 return; 950 951 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 952 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 953 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 954 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) { 955 nlmsg_free(msg); 956 return; 957 } 958 959 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability); 960 if (!ret && dfs_capability) 961 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; 962 } 963 964 965 static unsigned int get_akm_suites_info(struct nlattr *tb) 966 { 967 int i, num; 968 unsigned int key_mgmt = 0; 969 u32 *akms; 970 971 if (!tb) 972 return 0; 973 974 num = nla_len(tb) / sizeof(u32); 975 akms = nla_data(tb); 976 for (i = 0; i < num; i++) { 977 u32 a = akms[i]; 978 979 wpa_printf(MSG_DEBUG, 980 "nl80211: Supported AKM %02x-%02x-%02x:%u", 981 a >> 24, (a >> 16) & 0xff, 982 (a >> 8) & 0xff, a & 0xff); 983 switch (a) { 984 case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X: 985 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA | 986 WPA_DRIVER_CAPA_KEY_MGMT_WPA2; 987 break; 988 case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X: 989 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | 990 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; 991 break; 992 case RSN_AUTH_KEY_MGMT_FT_802_1X: 993 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT; 994 break; 995 case RSN_AUTH_KEY_MGMT_FT_PSK: 996 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; 997 break; 998 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B: 999 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B; 1000 break; 1001 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192: 1002 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192; 1003 break; 1004 case RSN_AUTH_KEY_MGMT_OWE: 1005 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE; 1006 break; 1007 case RSN_AUTH_KEY_MGMT_DPP: 1008 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP; 1009 break; 1010 case RSN_AUTH_KEY_MGMT_FILS_SHA256: 1011 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256; 1012 break; 1013 case RSN_AUTH_KEY_MGMT_FILS_SHA384: 1014 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; 1015 break; 1016 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256: 1017 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256; 1018 break; 1019 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384: 1020 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384; 1021 break; 1022 case RSN_AUTH_KEY_MGMT_SAE: 1023 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE; 1024 break; 1025 } 1026 } 1027 1028 return key_mgmt; 1029 } 1030 1031 1032 static int get_akm_suites_handler(struct nl_msg *msg, void *arg) 1033 { 1034 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 1035 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1036 unsigned int *key_mgmt = arg; 1037 1038 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1039 genlmsg_attrlen(gnlh, 0), NULL); 1040 1041 if (tb[NL80211_ATTR_VENDOR_DATA]) { 1042 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 1043 struct nlattr *tb_data[NL80211_ATTR_MAX + 1]; 1044 1045 nla_parse(tb_data, NL80211_ATTR_MAX, 1046 nla_data(nl_vend), nla_len(nl_vend), NULL); 1047 1048 *key_mgmt = 1049 get_akm_suites_info(tb_data[NL80211_ATTR_AKM_SUITES]); 1050 } 1051 1052 return NL_SKIP; 1053 } 1054 1055 1056 static int qca_nl80211_get_akm_suites(struct wpa_driver_nl80211_data *drv) 1057 { 1058 struct nl_msg *msg; 1059 unsigned int key_mgmt = 0; 1060 int ret; 1061 1062 if (!drv->get_supported_akm_suites_avail) 1063 return -1; 1064 1065 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1066 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1067 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1068 QCA_NL80211_VENDOR_SUBCMD_GET_SUPPORTED_AKMS)) { 1069 nlmsg_free(msg); 1070 return -1; 1071 } 1072 1073 ret = send_and_recv_msgs(drv, msg, get_akm_suites_handler, &key_mgmt); 1074 if (!ret) { 1075 wpa_printf(MSG_DEBUG, 1076 "nl80211: Replace capa.key_mgmt based on driver advertised capabilities: 0x%x", 1077 key_mgmt); 1078 drv->capa.key_mgmt = key_mgmt; 1079 } 1080 1081 return ret; 1082 } 1083 1084 1085 static int qca_nl80211_he_capab_handler(struct nl_msg *msg, void *arg) 1086 { 1087 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 1088 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1089 struct he_capabilities *he_capab = arg; 1090 struct nlattr *nl_vend; 1091 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX + 1]; 1092 size_t len; 1093 1094 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1095 genlmsg_attrlen(gnlh, 0), NULL); 1096 1097 if (!tb[NL80211_ATTR_VENDOR_DATA]) 1098 return NL_SKIP; 1099 1100 nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 1101 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX, 1102 nla_data(nl_vend), nla_len(nl_vend), NULL); 1103 1104 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]) { 1105 u8 he_supported; 1106 1107 he_supported = nla_get_u8( 1108 tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]); 1109 wpa_printf(MSG_DEBUG, "nl80211: HE capabilities supported: %u", 1110 he_supported); 1111 he_capab->he_supported = he_supported; 1112 if (!he_supported) 1113 return NL_SKIP; 1114 } 1115 1116 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]) { 1117 len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]); 1118 1119 if (len > sizeof(he_capab->phy_cap)) 1120 len = sizeof(he_capab->phy_cap); 1121 os_memcpy(he_capab->phy_cap, 1122 nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]), 1123 len); 1124 } 1125 1126 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB]) 1127 he_capab->mac_cap = 1128 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB]); 1129 1130 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS]) 1131 he_capab->mcs = 1132 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS]); 1133 1134 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS]) 1135 he_capab->ppet.numss_m1 = 1136 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS]); 1137 1138 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK]) 1139 he_capab->ppet.ru_count = 1140 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK]); 1141 1142 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]) { 1143 len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]); 1144 1145 if (len > sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0)) 1146 len = sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0); 1147 os_memcpy(he_capab->ppet.ppet16_ppet8_ru3_ru0, 1148 nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]), 1149 len); 1150 } 1151 1152 return NL_SKIP; 1153 } 1154 1155 1156 static void qca_nl80211_check_he_capab(struct wpa_driver_nl80211_data *drv) 1157 { 1158 struct nl_msg *msg; 1159 int ret; 1160 1161 if (!drv->he_capab_vendor_cmd_avail) 1162 return; 1163 1164 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1165 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1166 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1167 QCA_NL80211_VENDOR_SUBCMD_GET_HE_CAPABILITIES)) { 1168 nlmsg_free(msg); 1169 return; 1170 } 1171 1172 ret = send_and_recv_msgs(drv, msg, qca_nl80211_he_capab_handler, 1173 &drv->he_capab); 1174 if (!ret && drv->he_capab.he_supported) 1175 drv->capa.flags |= WPA_DRIVER_FLAGS_HE_CAPABILITIES; 1176 } 1177 1178 1179 struct features_info { 1180 u8 *flags; 1181 size_t flags_len; 1182 struct wpa_driver_capa *capa; 1183 }; 1184 1185 1186 static int features_info_handler(struct nl_msg *msg, void *arg) 1187 { 1188 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 1189 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1190 struct features_info *info = arg; 1191 struct nlattr *nl_vend, *attr; 1192 1193 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1194 genlmsg_attrlen(gnlh, 0), NULL); 1195 1196 nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 1197 if (nl_vend) { 1198 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 1199 1200 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 1201 nla_data(nl_vend), nla_len(nl_vend), NULL); 1202 1203 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS]; 1204 if (attr) { 1205 int len = nla_len(attr); 1206 info->flags = os_malloc(len); 1207 if (info->flags != NULL) { 1208 os_memcpy(info->flags, nla_data(attr), len); 1209 info->flags_len = len; 1210 } 1211 } 1212 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA]; 1213 if (attr) 1214 info->capa->conc_capab = nla_get_u32(attr); 1215 1216 attr = tb_vendor[ 1217 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND]; 1218 if (attr) 1219 info->capa->max_conc_chan_2_4 = nla_get_u32(attr); 1220 1221 attr = tb_vendor[ 1222 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND]; 1223 if (attr) 1224 info->capa->max_conc_chan_5_0 = nla_get_u32(attr); 1225 } 1226 1227 return NL_SKIP; 1228 } 1229 1230 1231 static int check_feature(enum qca_wlan_vendor_features feature, 1232 struct features_info *info) 1233 { 1234 size_t idx = feature / 8; 1235 1236 return (idx < info->flags_len) && 1237 (info->flags[idx] & BIT(feature % 8)); 1238 } 1239 1240 1241 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv) 1242 { 1243 struct nl_msg *msg; 1244 struct features_info info; 1245 int ret; 1246 1247 if (!drv->get_features_vendor_cmd_avail) 1248 return; 1249 1250 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1251 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1252 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1253 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) { 1254 nlmsg_free(msg); 1255 return; 1256 } 1257 1258 os_memset(&info, 0, sizeof(info)); 1259 info.capa = &drv->capa; 1260 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info); 1261 if (ret || !info.flags) 1262 return; 1263 1264 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info)) 1265 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD; 1266 1267 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info)) 1268 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY; 1269 1270 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS, 1271 &info)) 1272 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1273 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info)) 1274 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD; 1275 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info)) 1276 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA; 1277 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info)) 1278 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP; 1279 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info)) 1280 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON; 1281 os_free(info.flags); 1282 } 1283 1284 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1285 1286 1287 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) 1288 { 1289 struct wiphy_info_data info; 1290 if (wpa_driver_nl80211_get_info(drv, &info)) 1291 return -1; 1292 1293 if (info.error) 1294 return -1; 1295 1296 drv->has_capability = 1; 1297 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | 1298 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | 1299 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | 1300 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK | 1301 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B | 1302 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192 | 1303 WPA_DRIVER_CAPA_KEY_MGMT_OWE | 1304 WPA_DRIVER_CAPA_KEY_MGMT_DPP; 1305 1306 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) 1307 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1308 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 | 1309 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 | 1310 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 | 1311 WPA_DRIVER_CAPA_KEY_MGMT_SAE; 1312 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD) 1313 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1314 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; 1315 1316 #ifdef CONFIG_DRIVER_NL80211_QCA 1317 /* Override drv->capa.key_mgmt based on driver advertised capability 1318 * constraints, if available. */ 1319 qca_nl80211_get_akm_suites(drv); 1320 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1321 1322 drv->capa.auth = WPA_DRIVER_AUTH_OPEN | 1323 WPA_DRIVER_AUTH_SHARED | 1324 WPA_DRIVER_AUTH_LEAP; 1325 1326 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES; 1327 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; 1328 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1329 1330 /* 1331 * As all cfg80211 drivers must support cases where the AP interface is 1332 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in 1333 * case that the user space daemon has crashed, they must be able to 1334 * cleanup all stations and key entries in the AP tear down flow. Thus, 1335 * this flag can/should always be set for cfg80211 drivers. 1336 */ 1337 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT; 1338 1339 if (!info.device_ap_sme) { 1340 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; 1341 1342 /* 1343 * No AP SME is currently assumed to also indicate no AP MLME 1344 * in the driver/firmware. 1345 */ 1346 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; 1347 } 1348 1349 drv->device_ap_sme = info.device_ap_sme; 1350 drv->poll_command_supported = info.poll_command_supported; 1351 drv->data_tx_status = info.data_tx_status; 1352 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported; 1353 if (info.set_qos_map_supported) 1354 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING; 1355 drv->have_low_prio_scan = info.have_low_prio_scan; 1356 1357 /* 1358 * If poll command and tx status are supported, mac80211 is new enough 1359 * to have everything we need to not need monitor interfaces. 1360 */ 1361 drv->use_monitor = !info.device_ap_sme && 1362 (!info.poll_command_supported || !info.data_tx_status); 1363 1364 /* 1365 * If we aren't going to use monitor interfaces, but the 1366 * driver doesn't support data TX status, we won't get TX 1367 * status for EAPOL frames. 1368 */ 1369 if (!drv->use_monitor && !info.data_tx_status) 1370 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1371 1372 #ifdef CONFIG_DRIVER_NL80211_QCA 1373 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)) 1374 qca_nl80211_check_dfs_capa(drv); 1375 qca_nl80211_get_features(drv); 1376 qca_nl80211_check_he_capab(drv); 1377 1378 /* 1379 * To enable offchannel simultaneous support in wpa_supplicant, the 1380 * underlying driver needs to support the same along with offchannel TX. 1381 * Offchannel TX support is needed since remain_on_channel and 1382 * action_tx use some common data structures and hence cannot be 1383 * scheduled simultaneously. 1384 */ 1385 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX)) 1386 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1387 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1388 1389 return 0; 1390 } 1391 1392 1393 struct phy_info_arg { 1394 u16 *num_modes; 1395 struct hostapd_hw_modes *modes; 1396 int last_mode, last_chan_idx; 1397 int failed; 1398 u8 dfs_domain; 1399 }; 1400 1401 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa, 1402 struct nlattr *ampdu_factor, 1403 struct nlattr *ampdu_density, 1404 struct nlattr *mcs_set) 1405 { 1406 if (capa) 1407 mode->ht_capab = nla_get_u16(capa); 1408 1409 if (ampdu_factor) 1410 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03; 1411 1412 if (ampdu_density) 1413 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2; 1414 1415 if (mcs_set && nla_len(mcs_set) >= 16) { 1416 u8 *mcs; 1417 mcs = nla_data(mcs_set); 1418 os_memcpy(mode->mcs_set, mcs, 16); 1419 } 1420 } 1421 1422 1423 static void phy_info_vht_capa(struct hostapd_hw_modes *mode, 1424 struct nlattr *capa, 1425 struct nlattr *mcs_set) 1426 { 1427 if (capa) 1428 mode->vht_capab = nla_get_u32(capa); 1429 1430 if (mcs_set && nla_len(mcs_set) >= 8) { 1431 u8 *mcs; 1432 mcs = nla_data(mcs_set); 1433 os_memcpy(mode->vht_mcs_set, mcs, 8); 1434 } 1435 } 1436 1437 1438 static void phy_info_freq(struct hostapd_hw_modes *mode, 1439 struct hostapd_channel_data *chan, 1440 struct nlattr *tb_freq[]) 1441 { 1442 u8 channel; 1443 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); 1444 chan->flag = 0; 1445 chan->allowed_bw = ~0; 1446 chan->dfs_cac_ms = 0; 1447 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES) 1448 chan->chan = channel; 1449 1450 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) 1451 chan->flag |= HOSTAPD_CHAN_DISABLED; 1452 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR]) 1453 chan->flag |= HOSTAPD_CHAN_NO_IR; 1454 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) 1455 chan->flag |= HOSTAPD_CHAN_RADAR; 1456 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY]) 1457 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY; 1458 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT]) 1459 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT; 1460 1461 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ]) 1462 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10; 1463 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ]) 1464 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20; 1465 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS]) 1466 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P; 1467 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS]) 1468 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M; 1469 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ]) 1470 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80; 1471 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ]) 1472 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160; 1473 1474 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { 1475 enum nl80211_dfs_state state = 1476 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); 1477 1478 switch (state) { 1479 case NL80211_DFS_USABLE: 1480 chan->flag |= HOSTAPD_CHAN_DFS_USABLE; 1481 break; 1482 case NL80211_DFS_AVAILABLE: 1483 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE; 1484 break; 1485 case NL80211_DFS_UNAVAILABLE: 1486 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE; 1487 break; 1488 } 1489 } 1490 1491 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) { 1492 chan->dfs_cac_ms = nla_get_u32( 1493 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]); 1494 } 1495 } 1496 1497 1498 static int phy_info_freqs(struct phy_info_arg *phy_info, 1499 struct hostapd_hw_modes *mode, struct nlattr *tb) 1500 { 1501 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 1502 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, 1503 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, 1504 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, 1505 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, 1506 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, 1507 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 }, 1508 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG }, 1509 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG }, 1510 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG }, 1511 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG }, 1512 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG }, 1513 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG }, 1514 }; 1515 int new_channels = 0; 1516 struct hostapd_channel_data *channel; 1517 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; 1518 struct nlattr *nl_freq; 1519 int rem_freq, idx; 1520 1521 if (tb == NULL) 1522 return NL_OK; 1523 1524 nla_for_each_nested(nl_freq, tb, rem_freq) { 1525 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1526 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1527 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1528 continue; 1529 new_channels++; 1530 } 1531 1532 channel = os_realloc_array(mode->channels, 1533 mode->num_channels + new_channels, 1534 sizeof(struct hostapd_channel_data)); 1535 if (!channel) 1536 return NL_STOP; 1537 1538 mode->channels = channel; 1539 mode->num_channels += new_channels; 1540 1541 idx = phy_info->last_chan_idx; 1542 1543 nla_for_each_nested(nl_freq, tb, rem_freq) { 1544 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1545 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1546 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1547 continue; 1548 phy_info_freq(mode, &mode->channels[idx], tb_freq); 1549 idx++; 1550 } 1551 phy_info->last_chan_idx = idx; 1552 1553 return NL_OK; 1554 } 1555 1556 1557 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb) 1558 { 1559 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { 1560 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, 1561 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = 1562 { .type = NLA_FLAG }, 1563 }; 1564 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; 1565 struct nlattr *nl_rate; 1566 int rem_rate, idx; 1567 1568 if (tb == NULL) 1569 return NL_OK; 1570 1571 nla_for_each_nested(nl_rate, tb, rem_rate) { 1572 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1573 nla_data(nl_rate), nla_len(nl_rate), 1574 rate_policy); 1575 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1576 continue; 1577 mode->num_rates++; 1578 } 1579 1580 mode->rates = os_calloc(mode->num_rates, sizeof(int)); 1581 if (!mode->rates) 1582 return NL_STOP; 1583 1584 idx = 0; 1585 1586 nla_for_each_nested(nl_rate, tb, rem_rate) { 1587 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1588 nla_data(nl_rate), nla_len(nl_rate), 1589 rate_policy); 1590 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1591 continue; 1592 mode->rates[idx] = nla_get_u32( 1593 tb_rate[NL80211_BITRATE_ATTR_RATE]); 1594 idx++; 1595 } 1596 1597 return NL_OK; 1598 } 1599 1600 1601 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band) 1602 { 1603 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; 1604 struct hostapd_hw_modes *mode; 1605 int ret; 1606 1607 if (phy_info->last_mode != nl_band->nla_type) { 1608 mode = os_realloc_array(phy_info->modes, 1609 *phy_info->num_modes + 1, 1610 sizeof(*mode)); 1611 if (!mode) { 1612 phy_info->failed = 1; 1613 return NL_STOP; 1614 } 1615 phy_info->modes = mode; 1616 1617 mode = &phy_info->modes[*(phy_info->num_modes)]; 1618 os_memset(mode, 0, sizeof(*mode)); 1619 mode->mode = NUM_HOSTAPD_MODES; 1620 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN | 1621 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN; 1622 1623 /* 1624 * Unsupported VHT MCS stream is defined as value 3, so the VHT 1625 * MCS RX/TX map must be initialized with 0xffff to mark all 8 1626 * possible streams as unsupported. This will be overridden if 1627 * driver advertises VHT support. 1628 */ 1629 mode->vht_mcs_set[0] = 0xff; 1630 mode->vht_mcs_set[1] = 0xff; 1631 mode->vht_mcs_set[4] = 0xff; 1632 mode->vht_mcs_set[5] = 0xff; 1633 1634 *(phy_info->num_modes) += 1; 1635 phy_info->last_mode = nl_band->nla_type; 1636 phy_info->last_chan_idx = 0; 1637 } else 1638 mode = &phy_info->modes[*(phy_info->num_modes) - 1]; 1639 1640 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), 1641 nla_len(nl_band), NULL); 1642 1643 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA], 1644 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR], 1645 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY], 1646 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]); 1647 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA], 1648 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); 1649 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]); 1650 if (ret == NL_OK) 1651 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]); 1652 if (ret != NL_OK) { 1653 phy_info->failed = 1; 1654 return ret; 1655 } 1656 1657 return NL_OK; 1658 } 1659 1660 1661 static int phy_info_handler(struct nl_msg *msg, void *arg) 1662 { 1663 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 1664 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1665 struct phy_info_arg *phy_info = arg; 1666 struct nlattr *nl_band; 1667 int rem_band; 1668 1669 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1670 genlmsg_attrlen(gnlh, 0), NULL); 1671 1672 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS]) 1673 return NL_SKIP; 1674 1675 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) 1676 { 1677 int res = phy_info_band(phy_info, nl_band); 1678 if (res != NL_OK) 1679 return res; 1680 } 1681 1682 return NL_SKIP; 1683 } 1684 1685 1686 static struct hostapd_hw_modes * 1687 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes, 1688 u16 *num_modes) 1689 { 1690 u16 m; 1691 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode; 1692 int i, mode11g_idx = -1; 1693 1694 /* heuristic to set up modes */ 1695 for (m = 0; m < *num_modes; m++) { 1696 if (!modes[m].num_channels) 1697 continue; 1698 if (modes[m].channels[0].freq < 4000) { 1699 modes[m].mode = HOSTAPD_MODE_IEEE80211B; 1700 for (i = 0; i < modes[m].num_rates; i++) { 1701 if (modes[m].rates[i] > 200) { 1702 modes[m].mode = HOSTAPD_MODE_IEEE80211G; 1703 break; 1704 } 1705 } 1706 } else if (modes[m].channels[0].freq > 50000) 1707 modes[m].mode = HOSTAPD_MODE_IEEE80211AD; 1708 else 1709 modes[m].mode = HOSTAPD_MODE_IEEE80211A; 1710 } 1711 1712 /* If only 802.11g mode is included, use it to construct matching 1713 * 802.11b mode data. */ 1714 1715 for (m = 0; m < *num_modes; m++) { 1716 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B) 1717 return modes; /* 802.11b already included */ 1718 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G) 1719 mode11g_idx = m; 1720 } 1721 1722 if (mode11g_idx < 0) 1723 return modes; /* 2.4 GHz band not supported at all */ 1724 1725 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); 1726 if (nmodes == NULL) 1727 return modes; /* Could not add 802.11b mode */ 1728 1729 mode = &nmodes[*num_modes]; 1730 os_memset(mode, 0, sizeof(*mode)); 1731 (*num_modes)++; 1732 modes = nmodes; 1733 1734 mode->mode = HOSTAPD_MODE_IEEE80211B; 1735 1736 mode11g = &modes[mode11g_idx]; 1737 mode->num_channels = mode11g->num_channels; 1738 mode->channels = os_memdup(mode11g->channels, 1739 mode11g->num_channels * 1740 sizeof(struct hostapd_channel_data)); 1741 if (mode->channels == NULL) { 1742 (*num_modes)--; 1743 return modes; /* Could not add 802.11b mode */ 1744 } 1745 1746 mode->num_rates = 0; 1747 mode->rates = os_malloc(4 * sizeof(int)); 1748 if (mode->rates == NULL) { 1749 os_free(mode->channels); 1750 (*num_modes)--; 1751 return modes; /* Could not add 802.11b mode */ 1752 } 1753 1754 for (i = 0; i < mode11g->num_rates; i++) { 1755 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 && 1756 mode11g->rates[i] != 55 && mode11g->rates[i] != 110) 1757 continue; 1758 mode->rates[mode->num_rates] = mode11g->rates[i]; 1759 mode->num_rates++; 1760 if (mode->num_rates == 4) 1761 break; 1762 } 1763 1764 if (mode->num_rates == 0) { 1765 os_free(mode->channels); 1766 os_free(mode->rates); 1767 (*num_modes)--; 1768 return modes; /* No 802.11b rates */ 1769 } 1770 1771 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g " 1772 "information"); 1773 1774 return modes; 1775 } 1776 1777 1778 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, 1779 int end) 1780 { 1781 int c; 1782 1783 for (c = 0; c < mode->num_channels; c++) { 1784 struct hostapd_channel_data *chan = &mode->channels[c]; 1785 if (chan->freq - 10 >= start && chan->freq + 10 <= end) 1786 chan->flag |= HOSTAPD_CHAN_HT40; 1787 } 1788 } 1789 1790 1791 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, 1792 int end) 1793 { 1794 int c; 1795 1796 for (c = 0; c < mode->num_channels; c++) { 1797 struct hostapd_channel_data *chan = &mode->channels[c]; 1798 if (!(chan->flag & HOSTAPD_CHAN_HT40)) 1799 continue; 1800 if (chan->freq - 30 >= start && chan->freq - 10 <= end) 1801 chan->flag |= HOSTAPD_CHAN_HT40MINUS; 1802 if (chan->freq + 10 >= start && chan->freq + 30 <= end) 1803 chan->flag |= HOSTAPD_CHAN_HT40PLUS; 1804 } 1805 } 1806 1807 1808 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp, 1809 struct phy_info_arg *results) 1810 { 1811 u16 m; 1812 1813 for (m = 0; m < *results->num_modes; m++) { 1814 int c; 1815 struct hostapd_hw_modes *mode = &results->modes[m]; 1816 1817 for (c = 0; c < mode->num_channels; c++) { 1818 struct hostapd_channel_data *chan = &mode->channels[c]; 1819 if ((u32) chan->freq - 10 >= start && 1820 (u32) chan->freq + 10 <= end) 1821 chan->max_tx_power = max_eirp; 1822 } 1823 } 1824 } 1825 1826 1827 static void nl80211_reg_rule_ht40(u32 start, u32 end, 1828 struct phy_info_arg *results) 1829 { 1830 u16 m; 1831 1832 for (m = 0; m < *results->num_modes; m++) { 1833 if (!(results->modes[m].ht_capab & 1834 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1835 continue; 1836 nl80211_set_ht40_mode(&results->modes[m], start, end); 1837 } 1838 } 1839 1840 1841 static void nl80211_reg_rule_sec(struct nlattr *tb[], 1842 struct phy_info_arg *results) 1843 { 1844 u32 start, end, max_bw; 1845 u16 m; 1846 1847 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1848 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 1849 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 1850 return; 1851 1852 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1853 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1854 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1855 1856 if (max_bw < 20) 1857 return; 1858 1859 for (m = 0; m < *results->num_modes; m++) { 1860 if (!(results->modes[m].ht_capab & 1861 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1862 continue; 1863 nl80211_set_ht40_mode_sec(&results->modes[m], start, end); 1864 } 1865 } 1866 1867 1868 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start, 1869 int end, int max_bw) 1870 { 1871 int c; 1872 1873 for (c = 0; c < mode->num_channels; c++) { 1874 struct hostapd_channel_data *chan = &mode->channels[c]; 1875 if (chan->freq - 10 >= start && chan->freq + 70 <= end) 1876 chan->flag |= HOSTAPD_CHAN_VHT_10_70; 1877 1878 if (chan->freq - 30 >= start && chan->freq + 50 <= end) 1879 chan->flag |= HOSTAPD_CHAN_VHT_30_50; 1880 1881 if (chan->freq - 50 >= start && chan->freq + 30 <= end) 1882 chan->flag |= HOSTAPD_CHAN_VHT_50_30; 1883 1884 if (chan->freq - 70 >= start && chan->freq + 10 <= end) 1885 chan->flag |= HOSTAPD_CHAN_VHT_70_10; 1886 1887 if (max_bw >= 160) { 1888 if (chan->freq - 10 >= start && chan->freq + 150 <= end) 1889 chan->flag |= HOSTAPD_CHAN_VHT_10_150; 1890 1891 if (chan->freq - 30 >= start && chan->freq + 130 <= end) 1892 chan->flag |= HOSTAPD_CHAN_VHT_30_130; 1893 1894 if (chan->freq - 50 >= start && chan->freq + 110 <= end) 1895 chan->flag |= HOSTAPD_CHAN_VHT_50_110; 1896 1897 if (chan->freq - 70 >= start && chan->freq + 90 <= end) 1898 chan->flag |= HOSTAPD_CHAN_VHT_70_90; 1899 1900 if (chan->freq - 90 >= start && chan->freq + 70 <= end) 1901 chan->flag |= HOSTAPD_CHAN_VHT_90_70; 1902 1903 if (chan->freq - 110 >= start && chan->freq + 50 <= end) 1904 chan->flag |= HOSTAPD_CHAN_VHT_110_50; 1905 1906 if (chan->freq - 130 >= start && chan->freq + 30 <= end) 1907 chan->flag |= HOSTAPD_CHAN_VHT_130_30; 1908 1909 if (chan->freq - 150 >= start && chan->freq + 10 <= end) 1910 chan->flag |= HOSTAPD_CHAN_VHT_150_10; 1911 } 1912 } 1913 } 1914 1915 1916 static void nl80211_reg_rule_vht(struct nlattr *tb[], 1917 struct phy_info_arg *results) 1918 { 1919 u32 start, end, max_bw; 1920 u16 m; 1921 1922 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1923 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 1924 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 1925 return; 1926 1927 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1928 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1929 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1930 1931 if (max_bw < 80) 1932 return; 1933 1934 for (m = 0; m < *results->num_modes; m++) { 1935 if (!(results->modes[m].ht_capab & 1936 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1937 continue; 1938 /* TODO: use a real VHT support indication */ 1939 if (!results->modes[m].vht_capab) 1940 continue; 1941 1942 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw); 1943 } 1944 } 1945 1946 1947 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region, 1948 u8 *dfs_domain) 1949 { 1950 if (region == NL80211_DFS_FCC) 1951 *dfs_domain = HOSTAPD_DFS_REGION_FCC; 1952 else if (region == NL80211_DFS_ETSI) 1953 *dfs_domain = HOSTAPD_DFS_REGION_ETSI; 1954 else if (region == NL80211_DFS_JP) 1955 *dfs_domain = HOSTAPD_DFS_REGION_JP; 1956 else 1957 *dfs_domain = 0; 1958 } 1959 1960 1961 static const char * dfs_domain_name(enum nl80211_dfs_regions region) 1962 { 1963 switch (region) { 1964 case NL80211_DFS_UNSET: 1965 return "DFS-UNSET"; 1966 case NL80211_DFS_FCC: 1967 return "DFS-FCC"; 1968 case NL80211_DFS_ETSI: 1969 return "DFS-ETSI"; 1970 case NL80211_DFS_JP: 1971 return "DFS-JP"; 1972 default: 1973 return "DFS-invalid"; 1974 } 1975 } 1976 1977 1978 static int nl80211_get_reg(struct nl_msg *msg, void *arg) 1979 { 1980 struct phy_info_arg *results = arg; 1981 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 1982 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1983 struct nlattr *nl_rule; 1984 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; 1985 int rem_rule; 1986 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 1987 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, 1988 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, 1989 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, 1990 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, 1991 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, 1992 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, 1993 }; 1994 1995 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1996 genlmsg_attrlen(gnlh, 0), NULL); 1997 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || 1998 !tb_msg[NL80211_ATTR_REG_RULES]) { 1999 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " 2000 "available"); 2001 return NL_SKIP; 2002 } 2003 2004 if (tb_msg[NL80211_ATTR_DFS_REGION]) { 2005 enum nl80211_dfs_regions dfs_domain; 2006 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]); 2007 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain); 2008 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)", 2009 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 2010 dfs_domain_name(dfs_domain)); 2011 } else { 2012 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", 2013 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); 2014 } 2015 2016 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 2017 { 2018 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0; 2019 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 2020 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 2021 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL || 2022 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL) 2023 continue; 2024 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 2025 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 2026 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 2027 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100; 2028 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) 2029 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 2030 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS]) 2031 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]); 2032 2033 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s", 2034 start, end, max_bw, max_eirp, 2035 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "", 2036 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "", 2037 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "", 2038 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" : 2039 "", 2040 flags & NL80211_RRF_DFS ? " (DFS)" : "", 2041 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "", 2042 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "", 2043 flags & NL80211_RRF_NO_IR ? " (no IR)" : ""); 2044 if (max_bw >= 40) 2045 nl80211_reg_rule_ht40(start, end, results); 2046 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 2047 nl80211_reg_rule_max_eirp(start, end, max_eirp, 2048 results); 2049 } 2050 2051 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 2052 { 2053 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 2054 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 2055 nl80211_reg_rule_sec(tb_rule, results); 2056 } 2057 2058 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 2059 { 2060 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 2061 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 2062 nl80211_reg_rule_vht(tb_rule, results); 2063 } 2064 2065 return NL_SKIP; 2066 } 2067 2068 2069 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv, 2070 struct phy_info_arg *results) 2071 { 2072 struct nl_msg *msg; 2073 2074 msg = nlmsg_alloc(); 2075 if (!msg) 2076 return -ENOMEM; 2077 2078 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); 2079 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) { 2080 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) { 2081 nlmsg_free(msg); 2082 return -1; 2083 } 2084 } 2085 2086 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results); 2087 } 2088 2089 2090 static const char * modestr(enum hostapd_hw_mode mode) 2091 { 2092 switch (mode) { 2093 case HOSTAPD_MODE_IEEE80211B: 2094 return "802.11b"; 2095 case HOSTAPD_MODE_IEEE80211G: 2096 return "802.11g"; 2097 case HOSTAPD_MODE_IEEE80211A: 2098 return "802.11a"; 2099 case HOSTAPD_MODE_IEEE80211AD: 2100 return "802.11ad"; 2101 default: 2102 return "?"; 2103 } 2104 } 2105 2106 2107 static void nl80211_dump_chan_list(struct hostapd_hw_modes *modes, 2108 u16 num_modes) 2109 { 2110 int i; 2111 2112 if (!modes) 2113 return; 2114 2115 for (i = 0; i < num_modes; i++) { 2116 struct hostapd_hw_modes *mode = &modes[i]; 2117 char str[200]; 2118 char *pos = str; 2119 char *end = pos + sizeof(str); 2120 int j, res; 2121 2122 for (j = 0; j < mode->num_channels; j++) { 2123 struct hostapd_channel_data *chan = &mode->channels[j]; 2124 2125 res = os_snprintf(pos, end - pos, " %d%s%s%s", 2126 chan->freq, 2127 (chan->flag & HOSTAPD_CHAN_DISABLED) ? 2128 "[DISABLED]" : "", 2129 (chan->flag & HOSTAPD_CHAN_NO_IR) ? 2130 "[NO_IR]" : "", 2131 (chan->flag & HOSTAPD_CHAN_RADAR) ? 2132 "[RADAR]" : ""); 2133 if (os_snprintf_error(end - pos, res)) 2134 break; 2135 pos += res; 2136 } 2137 2138 *pos = '\0'; 2139 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s", 2140 modestr(mode->mode), str); 2141 } 2142 } 2143 2144 2145 struct hostapd_hw_modes * 2146 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, 2147 u8 *dfs_domain) 2148 { 2149 u32 feat; 2150 struct i802_bss *bss = priv; 2151 struct wpa_driver_nl80211_data *drv = bss->drv; 2152 int nl_flags = 0; 2153 struct nl_msg *msg; 2154 struct phy_info_arg result = { 2155 .num_modes = num_modes, 2156 .modes = NULL, 2157 .last_mode = -1, 2158 .failed = 0, 2159 .dfs_domain = 0, 2160 }; 2161 2162 *num_modes = 0; 2163 *flags = 0; 2164 *dfs_domain = 0; 2165 2166 feat = get_nl80211_protocol_features(drv); 2167 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 2168 nl_flags = NLM_F_DUMP; 2169 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) || 2170 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 2171 nlmsg_free(msg); 2172 return NULL; 2173 } 2174 2175 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) { 2176 struct hostapd_hw_modes *modes; 2177 2178 nl80211_set_regulatory_flags(drv, &result); 2179 if (result.failed) { 2180 int i; 2181 2182 for (i = 0; result.modes && i < *num_modes; i++) { 2183 os_free(result.modes[i].channels); 2184 os_free(result.modes[i].rates); 2185 } 2186 os_free(result.modes); 2187 *num_modes = 0; 2188 return NULL; 2189 } 2190 2191 *dfs_domain = result.dfs_domain; 2192 2193 modes = wpa_driver_nl80211_postprocess_modes(result.modes, 2194 num_modes); 2195 nl80211_dump_chan_list(modes, *num_modes); 2196 return modes; 2197 } 2198 2199 return NULL; 2200 } 2201
