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 } 405 406 407 static void wiphy_info_feature_flags(struct wiphy_info_data *info, 408 struct nlattr *tb) 409 { 410 u32 flags; 411 struct wpa_driver_capa *capa = info->capa; 412 413 if (tb == NULL) 414 return; 415 416 flags = nla_get_u32(tb); 417 418 if (flags & NL80211_FEATURE_SK_TX_STATUS) 419 info->data_tx_status = 1; 420 421 if (flags & NL80211_FEATURE_INACTIVITY_TIMER) 422 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER; 423 424 if (flags & NL80211_FEATURE_SAE) 425 capa->flags |= WPA_DRIVER_FLAGS_SAE; 426 427 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN) 428 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN; 429 430 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE) 431 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX; 432 433 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) { 434 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch"); 435 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH; 436 } 437 438 if (flags & NL80211_FEATURE_P2P_GO_CTWIN) 439 info->p2p_go_ctwindow_supported = 1; 440 441 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN) 442 info->have_low_prio_scan = 1; 443 444 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR) 445 info->mac_addr_rand_scan_supported = 1; 446 447 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR) 448 info->mac_addr_rand_sched_scan_supported = 1; 449 450 if (flags & NL80211_FEATURE_STATIC_SMPS) 451 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC; 452 453 if (flags & NL80211_FEATURE_DYNAMIC_SMPS) 454 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC; 455 456 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) 457 info->wmm_ac_supported = 1; 458 459 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) 460 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES; 461 462 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES) 463 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES; 464 465 if (flags & NL80211_FEATURE_QUIET) 466 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET; 467 468 if (flags & NL80211_FEATURE_TX_POWER_INSERTION) 469 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION; 470 471 if (flags & NL80211_FEATURE_HT_IBSS) 472 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS; 473 474 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE) 475 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE; 476 } 477 478 479 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa, 480 struct nlattr *tb) 481 { 482 u32 protocols; 483 484 if (tb == NULL) 485 return; 486 487 protocols = nla_get_u32(tb); 488 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP " 489 "mode"); 490 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; 491 capa->probe_resp_offloads = probe_resp_offload_support(protocols); 492 } 493 494 495 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa, 496 struct nlattr *tb) 497 { 498 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1]; 499 500 if (tb == NULL) 501 return; 502 503 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG, 504 tb, NULL)) 505 return; 506 507 if (triggers[NL80211_WOWLAN_TRIG_ANY]) 508 capa->wowlan_triggers.any = 1; 509 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT]) 510 capa->wowlan_triggers.disconnect = 1; 511 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT]) 512 capa->wowlan_triggers.magic_pkt = 1; 513 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) 514 capa->wowlan_triggers.gtk_rekey_failure = 1; 515 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) 516 capa->wowlan_triggers.eap_identity_req = 1; 517 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) 518 capa->wowlan_triggers.four_way_handshake = 1; 519 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) 520 capa->wowlan_triggers.rfkill_release = 1; 521 } 522 523 524 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv, 525 struct nlattr *tb) 526 { 527 int rem = 0, i; 528 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr; 529 530 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) 531 return; 532 533 nla_for_each_nested(attr, tb, rem) { 534 unsigned int len; 535 struct drv_nl80211_ext_capa *capa; 536 537 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr), 538 nla_len(attr), NULL); 539 540 if (!tb1[NL80211_ATTR_IFTYPE] || 541 !tb1[NL80211_ATTR_EXT_CAPA] || 542 !tb1[NL80211_ATTR_EXT_CAPA_MASK]) 543 continue; 544 545 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa]; 546 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]); 547 wpa_printf(MSG_DEBUG, 548 "nl80211: Driver-advertised extended capabilities for interface type %s", 549 nl80211_iftype_str(capa->iftype)); 550 551 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]); 552 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]), 553 len); 554 if (!capa->ext_capa) 555 goto err; 556 557 capa->ext_capa_len = len; 558 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities", 559 capa->ext_capa, capa->ext_capa_len); 560 561 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]); 562 capa->ext_capa_mask = 563 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]), 564 len); 565 if (!capa->ext_capa_mask) 566 goto err; 567 568 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask", 569 capa->ext_capa_mask, capa->ext_capa_len); 570 571 drv->num_iface_ext_capa++; 572 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) 573 break; 574 } 575 576 return; 577 578 err: 579 /* Cleanup allocated memory on error */ 580 for (i = 0; i < NL80211_IFTYPE_MAX; i++) { 581 os_free(drv->iface_ext_capa[i].ext_capa); 582 drv->iface_ext_capa[i].ext_capa = NULL; 583 os_free(drv->iface_ext_capa[i].ext_capa_mask); 584 drv->iface_ext_capa[i].ext_capa_mask = NULL; 585 drv->iface_ext_capa[i].ext_capa_len = 0; 586 } 587 drv->num_iface_ext_capa = 0; 588 } 589 590 591 static int wiphy_info_handler(struct nl_msg *msg, void *arg) 592 { 593 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 594 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 595 struct wiphy_info_data *info = arg; 596 struct wpa_driver_capa *capa = info->capa; 597 struct wpa_driver_nl80211_data *drv = info->drv; 598 599 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 600 genlmsg_attrlen(gnlh, 0), NULL); 601 602 if (tb[NL80211_ATTR_WIPHY]) 603 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); 604 605 if (tb[NL80211_ATTR_WIPHY_NAME]) 606 os_strlcpy(drv->phyname, 607 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]), 608 sizeof(drv->phyname)); 609 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) 610 capa->max_scan_ssids = 611 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]); 612 613 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]) 614 capa->max_sched_scan_ssids = 615 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]); 616 617 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] && 618 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] && 619 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) { 620 capa->max_sched_scan_plans = 621 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]); 622 623 capa->max_sched_scan_plan_interval = 624 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]); 625 626 capa->max_sched_scan_plan_iterations = 627 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]); 628 } 629 630 if (tb[NL80211_ATTR_MAX_MATCH_SETS]) 631 capa->max_match_sets = 632 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); 633 634 if (tb[NL80211_ATTR_MAC_ACL_MAX]) 635 capa->max_acl_mac_addrs = 636 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]); 637 638 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]); 639 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]); 640 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]); 641 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]); 642 643 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) { 644 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based " 645 "off-channel TX"); 646 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX; 647 } 648 649 if (tb[NL80211_ATTR_ROAM_SUPPORT]) { 650 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming"); 651 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; 652 } 653 654 wiphy_info_max_roc(capa, 655 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]); 656 657 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD]) 658 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD; 659 660 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT], 661 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]); 662 663 if (tb[NL80211_ATTR_DEVICE_AP_SME]) 664 info->device_ap_sme = 1; 665 666 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]); 667 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]); 668 wiphy_info_probe_resp_offload(capa, 669 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); 670 671 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] && 672 drv->extended_capa == NULL) { 673 drv->extended_capa = 674 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); 675 if (drv->extended_capa) { 676 os_memcpy(drv->extended_capa, 677 nla_data(tb[NL80211_ATTR_EXT_CAPA]), 678 nla_len(tb[NL80211_ATTR_EXT_CAPA])); 679 drv->extended_capa_len = 680 nla_len(tb[NL80211_ATTR_EXT_CAPA]); 681 wpa_hexdump(MSG_DEBUG, 682 "nl80211: Driver-advertised extended capabilities (default)", 683 drv->extended_capa, drv->extended_capa_len); 684 } 685 drv->extended_capa_mask = 686 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); 687 if (drv->extended_capa_mask) { 688 os_memcpy(drv->extended_capa_mask, 689 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]), 690 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); 691 wpa_hexdump(MSG_DEBUG, 692 "nl80211: Driver-advertised extended capabilities mask (default)", 693 drv->extended_capa_mask, 694 drv->extended_capa_len); 695 } else { 696 os_free(drv->extended_capa); 697 drv->extended_capa = NULL; 698 drv->extended_capa_len = 0; 699 } 700 } 701 702 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]); 703 704 if (tb[NL80211_ATTR_VENDOR_DATA]) { 705 struct nlattr *nl; 706 int rem; 707 708 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) { 709 struct nl80211_vendor_cmd_info *vinfo; 710 if (nla_len(nl) != sizeof(*vinfo)) { 711 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); 712 continue; 713 } 714 vinfo = nla_data(nl); 715 if (vinfo->vendor_id == OUI_QCA) { 716 switch (vinfo->subcmd) { 717 case QCA_NL80211_VENDOR_SUBCMD_TEST: 718 drv->vendor_cmd_test_avail = 1; 719 break; 720 #ifdef CONFIG_DRIVER_NL80211_QCA 721 case QCA_NL80211_VENDOR_SUBCMD_ROAMING: 722 drv->roaming_vendor_cmd_avail = 1; 723 break; 724 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY: 725 drv->dfs_vendor_cmd_avail = 1; 726 break; 727 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES: 728 drv->get_features_vendor_cmd_avail = 1; 729 break; 730 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST: 731 drv->get_pref_freq_list = 1; 732 break; 733 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL: 734 drv->set_prob_oper_freq = 1; 735 break; 736 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS: 737 drv->capa.flags |= 738 WPA_DRIVER_FLAGS_ACS_OFFLOAD; 739 break; 740 case QCA_NL80211_VENDOR_SUBCMD_SETBAND: 741 drv->setband_vendor_cmd_avail = 1; 742 break; 743 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN: 744 drv->scan_vendor_cmd_avail = 1; 745 break; 746 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION: 747 drv->set_wifi_conf_vendor_cmd_avail = 1; 748 break; 749 case QCA_NL80211_VENDOR_SUBCMD_GET_HE_CAPABILITIES: 750 drv->he_capab_vendor_cmd_avail = 1; 751 break; 752 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS: 753 drv->fetch_bss_trans_status = 1; 754 break; 755 case QCA_NL80211_VENDOR_SUBCMD_ROAM: 756 drv->roam_vendor_cmd_avail = 1; 757 break; 758 #endif /* CONFIG_DRIVER_NL80211_QCA */ 759 } 760 } 761 762 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u", 763 vinfo->vendor_id, vinfo->subcmd); 764 } 765 } 766 767 if (tb[NL80211_ATTR_VENDOR_EVENTS]) { 768 struct nlattr *nl; 769 int rem; 770 771 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) { 772 struct nl80211_vendor_cmd_info *vinfo; 773 if (nla_len(nl) != sizeof(*vinfo)) { 774 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); 775 continue; 776 } 777 vinfo = nla_data(nl); 778 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u", 779 vinfo->vendor_id, vinfo->subcmd); 780 } 781 } 782 783 wiphy_info_wowlan_triggers(capa, 784 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]); 785 786 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA]) 787 capa->max_stations = 788 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]); 789 790 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS]) 791 capa->max_csa_counters = 792 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]); 793 794 return NL_SKIP; 795 } 796 797 798 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, 799 struct wiphy_info_data *info) 800 { 801 u32 feat; 802 struct nl_msg *msg; 803 int flags = 0; 804 805 os_memset(info, 0, sizeof(*info)); 806 info->capa = &drv->capa; 807 info->drv = drv; 808 809 feat = get_nl80211_protocol_features(drv); 810 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 811 flags = NLM_F_DUMP; 812 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY); 813 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 814 nlmsg_free(msg); 815 return -1; 816 } 817 818 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info)) 819 return -1; 820 821 if (info->auth_supported) 822 drv->capa.flags |= WPA_DRIVER_FLAGS_SME; 823 else if (!info->connect_supported) { 824 wpa_printf(MSG_INFO, "nl80211: Driver does not support " 825 "authentication/association or connect commands"); 826 info->error = 1; 827 } 828 829 if (info->p2p_go_supported && info->p2p_client_supported) 830 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; 831 if (info->p2p_concurrent) { 832 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " 833 "interface (driver advertised support)"); 834 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; 835 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; 836 } 837 if (info->num_multichan_concurrent > 1) { 838 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " 839 "concurrent (driver advertised support)"); 840 drv->capa.num_multichan_concurrent = 841 info->num_multichan_concurrent; 842 } 843 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) 844 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support"); 845 846 /* default to 5000 since early versions of mac80211 don't set it */ 847 if (!drv->capa.max_remain_on_chan) 848 drv->capa.max_remain_on_chan = 5000; 849 850 drv->capa.wmm_ac_supported = info->wmm_ac_supported; 851 852 drv->capa.mac_addr_rand_sched_scan_supported = 853 info->mac_addr_rand_sched_scan_supported; 854 drv->capa.mac_addr_rand_scan_supported = 855 info->mac_addr_rand_scan_supported; 856 857 if (info->channel_switch_supported) { 858 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA; 859 if (!drv->capa.max_csa_counters) 860 drv->capa.max_csa_counters = 1; 861 } 862 863 if (!drv->capa.max_sched_scan_plans) { 864 drv->capa.max_sched_scan_plans = 1; 865 drv->capa.max_sched_scan_plan_interval = UINT32_MAX; 866 drv->capa.max_sched_scan_plan_iterations = 0; 867 } 868 869 return 0; 870 } 871 872 873 #ifdef CONFIG_DRIVER_NL80211_QCA 874 875 static int dfs_info_handler(struct nl_msg *msg, void *arg) 876 { 877 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 878 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 879 int *dfs_capability_ptr = arg; 880 881 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 882 genlmsg_attrlen(gnlh, 0), NULL); 883 884 if (tb[NL80211_ATTR_VENDOR_DATA]) { 885 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 886 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 887 888 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 889 nla_data(nl_vend), nla_len(nl_vend), NULL); 890 891 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) { 892 u32 val; 893 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]); 894 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u", 895 val); 896 *dfs_capability_ptr = val; 897 } 898 } 899 900 return NL_SKIP; 901 } 902 903 904 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv) 905 { 906 struct nl_msg *msg; 907 int dfs_capability = 0; 908 int ret; 909 910 if (!drv->dfs_vendor_cmd_avail) 911 return; 912 913 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 914 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 915 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 916 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) { 917 nlmsg_free(msg); 918 return; 919 } 920 921 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability); 922 if (!ret && dfs_capability) 923 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; 924 } 925 926 927 static int qca_nl80211_he_capab_handler(struct nl_msg *msg, void *arg) 928 { 929 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 930 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 931 struct he_capabilities *he_capab = arg; 932 struct nlattr *nl_vend; 933 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX + 1]; 934 size_t len; 935 936 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 937 genlmsg_attrlen(gnlh, 0), NULL); 938 939 if (!tb[NL80211_ATTR_VENDOR_DATA]) 940 return NL_SKIP; 941 942 nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 943 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX, 944 nla_data(nl_vend), nla_len(nl_vend), NULL); 945 946 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]) { 947 u8 he_supported; 948 949 he_supported = nla_get_u8( 950 tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]); 951 wpa_printf(MSG_DEBUG, "nl80211: HE capabilities supported: %u", 952 he_supported); 953 he_capab->he_supported = he_supported; 954 if (!he_supported) 955 return NL_SKIP; 956 } 957 958 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]) { 959 len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]); 960 961 if (len > sizeof(he_capab->phy_cap)) 962 len = sizeof(he_capab->phy_cap); 963 os_memcpy(he_capab->phy_cap, 964 nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]), 965 len); 966 } 967 968 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB]) 969 he_capab->mac_cap = 970 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB]); 971 972 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS]) 973 he_capab->mcs = 974 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS]); 975 976 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS]) 977 he_capab->ppet.numss_m1 = 978 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS]); 979 980 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK]) 981 he_capab->ppet.ru_count = 982 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK]); 983 984 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]) { 985 len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]); 986 987 if (len > sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0)) 988 len = sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0); 989 os_memcpy(he_capab->ppet.ppet16_ppet8_ru3_ru0, 990 nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]), 991 len); 992 } 993 994 return NL_SKIP; 995 } 996 997 998 static void qca_nl80211_check_he_capab(struct wpa_driver_nl80211_data *drv) 999 { 1000 struct nl_msg *msg; 1001 int ret; 1002 1003 if (!drv->he_capab_vendor_cmd_avail) 1004 return; 1005 1006 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1007 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1008 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1009 QCA_NL80211_VENDOR_SUBCMD_GET_HE_CAPABILITIES)) { 1010 nlmsg_free(msg); 1011 return; 1012 } 1013 1014 ret = send_and_recv_msgs(drv, msg, qca_nl80211_he_capab_handler, 1015 &drv->he_capab); 1016 if (!ret && drv->he_capab.he_supported) 1017 drv->capa.flags |= WPA_DRIVER_FLAGS_HE_CAPABILITIES; 1018 } 1019 1020 1021 struct features_info { 1022 u8 *flags; 1023 size_t flags_len; 1024 struct wpa_driver_capa *capa; 1025 }; 1026 1027 1028 static int features_info_handler(struct nl_msg *msg, void *arg) 1029 { 1030 struct nlattr *tb[NL80211_ATTR_MAX + 1]; 1031 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1032 struct features_info *info = arg; 1033 struct nlattr *nl_vend, *attr; 1034 1035 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1036 genlmsg_attrlen(gnlh, 0), NULL); 1037 1038 nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; 1039 if (nl_vend) { 1040 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; 1041 1042 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, 1043 nla_data(nl_vend), nla_len(nl_vend), NULL); 1044 1045 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS]; 1046 if (attr) { 1047 int len = nla_len(attr); 1048 info->flags = os_malloc(len); 1049 if (info->flags != NULL) { 1050 os_memcpy(info->flags, nla_data(attr), len); 1051 info->flags_len = len; 1052 } 1053 } 1054 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA]; 1055 if (attr) 1056 info->capa->conc_capab = nla_get_u32(attr); 1057 1058 attr = tb_vendor[ 1059 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND]; 1060 if (attr) 1061 info->capa->max_conc_chan_2_4 = nla_get_u32(attr); 1062 1063 attr = tb_vendor[ 1064 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND]; 1065 if (attr) 1066 info->capa->max_conc_chan_5_0 = nla_get_u32(attr); 1067 } 1068 1069 return NL_SKIP; 1070 } 1071 1072 1073 static int check_feature(enum qca_wlan_vendor_features feature, 1074 struct features_info *info) 1075 { 1076 size_t idx = feature / 8; 1077 1078 return (idx < info->flags_len) && 1079 (info->flags[idx] & BIT(feature % 8)); 1080 } 1081 1082 1083 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv) 1084 { 1085 struct nl_msg *msg; 1086 struct features_info info; 1087 int ret; 1088 1089 if (!drv->get_features_vendor_cmd_avail) 1090 return; 1091 1092 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 1093 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 1094 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 1095 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) { 1096 nlmsg_free(msg); 1097 return; 1098 } 1099 1100 os_memset(&info, 0, sizeof(info)); 1101 info.capa = &drv->capa; 1102 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info); 1103 if (ret || !info.flags) 1104 return; 1105 1106 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info)) 1107 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD; 1108 1109 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info)) 1110 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY; 1111 1112 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS, 1113 &info)) 1114 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1115 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info)) 1116 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD; 1117 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info)) 1118 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA; 1119 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info)) 1120 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP; 1121 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info)) 1122 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON; 1123 os_free(info.flags); 1124 } 1125 1126 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1127 1128 1129 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) 1130 { 1131 struct wiphy_info_data info; 1132 if (wpa_driver_nl80211_get_info(drv, &info)) 1133 return -1; 1134 1135 if (info.error) 1136 return -1; 1137 1138 drv->has_capability = 1; 1139 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | 1140 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | 1141 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | 1142 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK | 1143 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B | 1144 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192 | 1145 WPA_DRIVER_CAPA_KEY_MGMT_OWE | 1146 WPA_DRIVER_CAPA_KEY_MGMT_DPP; 1147 1148 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) 1149 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1150 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 | 1151 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 | 1152 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384; 1153 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD) 1154 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | 1155 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; 1156 1157 drv->capa.auth = WPA_DRIVER_AUTH_OPEN | 1158 WPA_DRIVER_AUTH_SHARED | 1159 WPA_DRIVER_AUTH_LEAP; 1160 1161 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES; 1162 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; 1163 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1164 1165 /* 1166 * As all cfg80211 drivers must support cases where the AP interface is 1167 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in 1168 * case that the user space daemon has crashed, they must be able to 1169 * cleanup all stations and key entries in the AP tear down flow. Thus, 1170 * this flag can/should always be set for cfg80211 drivers. 1171 */ 1172 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT; 1173 1174 if (!info.device_ap_sme) { 1175 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; 1176 1177 /* 1178 * No AP SME is currently assumed to also indicate no AP MLME 1179 * in the driver/firmware. 1180 */ 1181 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; 1182 } 1183 1184 drv->device_ap_sme = info.device_ap_sme; 1185 drv->poll_command_supported = info.poll_command_supported; 1186 drv->data_tx_status = info.data_tx_status; 1187 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported; 1188 if (info.set_qos_map_supported) 1189 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING; 1190 drv->have_low_prio_scan = info.have_low_prio_scan; 1191 1192 /* 1193 * If poll command and tx status are supported, mac80211 is new enough 1194 * to have everything we need to not need monitor interfaces. 1195 */ 1196 drv->use_monitor = !info.device_ap_sme && 1197 (!info.poll_command_supported || !info.data_tx_status); 1198 1199 /* 1200 * If we aren't going to use monitor interfaces, but the 1201 * driver doesn't support data TX status, we won't get TX 1202 * status for EAPOL frames. 1203 */ 1204 if (!drv->use_monitor && !info.data_tx_status) 1205 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; 1206 1207 #ifdef CONFIG_DRIVER_NL80211_QCA 1208 qca_nl80211_check_dfs_capa(drv); 1209 qca_nl80211_get_features(drv); 1210 qca_nl80211_check_he_capab(drv); 1211 1212 /* 1213 * To enable offchannel simultaneous support in wpa_supplicant, the 1214 * underlying driver needs to support the same along with offchannel TX. 1215 * Offchannel TX support is needed since remain_on_channel and 1216 * action_tx use some common data structures and hence cannot be 1217 * scheduled simultaneously. 1218 */ 1219 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX)) 1220 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; 1221 #endif /* CONFIG_DRIVER_NL80211_QCA */ 1222 1223 return 0; 1224 } 1225 1226 1227 struct phy_info_arg { 1228 u16 *num_modes; 1229 struct hostapd_hw_modes *modes; 1230 int last_mode, last_chan_idx; 1231 int failed; 1232 u8 dfs_domain; 1233 }; 1234 1235 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa, 1236 struct nlattr *ampdu_factor, 1237 struct nlattr *ampdu_density, 1238 struct nlattr *mcs_set) 1239 { 1240 if (capa) 1241 mode->ht_capab = nla_get_u16(capa); 1242 1243 if (ampdu_factor) 1244 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03; 1245 1246 if (ampdu_density) 1247 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2; 1248 1249 if (mcs_set && nla_len(mcs_set) >= 16) { 1250 u8 *mcs; 1251 mcs = nla_data(mcs_set); 1252 os_memcpy(mode->mcs_set, mcs, 16); 1253 } 1254 } 1255 1256 1257 static void phy_info_vht_capa(struct hostapd_hw_modes *mode, 1258 struct nlattr *capa, 1259 struct nlattr *mcs_set) 1260 { 1261 if (capa) 1262 mode->vht_capab = nla_get_u32(capa); 1263 1264 if (mcs_set && nla_len(mcs_set) >= 8) { 1265 u8 *mcs; 1266 mcs = nla_data(mcs_set); 1267 os_memcpy(mode->vht_mcs_set, mcs, 8); 1268 } 1269 } 1270 1271 1272 static void phy_info_freq(struct hostapd_hw_modes *mode, 1273 struct hostapd_channel_data *chan, 1274 struct nlattr *tb_freq[]) 1275 { 1276 u8 channel; 1277 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); 1278 chan->flag = 0; 1279 chan->dfs_cac_ms = 0; 1280 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES) 1281 chan->chan = channel; 1282 1283 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) 1284 chan->flag |= HOSTAPD_CHAN_DISABLED; 1285 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR]) 1286 chan->flag |= HOSTAPD_CHAN_NO_IR; 1287 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) 1288 chan->flag |= HOSTAPD_CHAN_RADAR; 1289 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY]) 1290 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY; 1291 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT]) 1292 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT; 1293 1294 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { 1295 enum nl80211_dfs_state state = 1296 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); 1297 1298 switch (state) { 1299 case NL80211_DFS_USABLE: 1300 chan->flag |= HOSTAPD_CHAN_DFS_USABLE; 1301 break; 1302 case NL80211_DFS_AVAILABLE: 1303 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE; 1304 break; 1305 case NL80211_DFS_UNAVAILABLE: 1306 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE; 1307 break; 1308 } 1309 } 1310 1311 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) { 1312 chan->dfs_cac_ms = nla_get_u32( 1313 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]); 1314 } 1315 } 1316 1317 1318 static int phy_info_freqs(struct phy_info_arg *phy_info, 1319 struct hostapd_hw_modes *mode, struct nlattr *tb) 1320 { 1321 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 1322 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, 1323 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, 1324 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, 1325 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, 1326 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, 1327 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 }, 1328 }; 1329 int new_channels = 0; 1330 struct hostapd_channel_data *channel; 1331 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; 1332 struct nlattr *nl_freq; 1333 int rem_freq, idx; 1334 1335 if (tb == NULL) 1336 return NL_OK; 1337 1338 nla_for_each_nested(nl_freq, tb, rem_freq) { 1339 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1340 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1341 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1342 continue; 1343 new_channels++; 1344 } 1345 1346 channel = os_realloc_array(mode->channels, 1347 mode->num_channels + new_channels, 1348 sizeof(struct hostapd_channel_data)); 1349 if (!channel) 1350 return NL_STOP; 1351 1352 mode->channels = channel; 1353 mode->num_channels += new_channels; 1354 1355 idx = phy_info->last_chan_idx; 1356 1357 nla_for_each_nested(nl_freq, tb, rem_freq) { 1358 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, 1359 nla_data(nl_freq), nla_len(nl_freq), freq_policy); 1360 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) 1361 continue; 1362 phy_info_freq(mode, &mode->channels[idx], tb_freq); 1363 idx++; 1364 } 1365 phy_info->last_chan_idx = idx; 1366 1367 return NL_OK; 1368 } 1369 1370 1371 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb) 1372 { 1373 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { 1374 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, 1375 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = 1376 { .type = NLA_FLAG }, 1377 }; 1378 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; 1379 struct nlattr *nl_rate; 1380 int rem_rate, idx; 1381 1382 if (tb == NULL) 1383 return NL_OK; 1384 1385 nla_for_each_nested(nl_rate, tb, rem_rate) { 1386 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1387 nla_data(nl_rate), nla_len(nl_rate), 1388 rate_policy); 1389 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1390 continue; 1391 mode->num_rates++; 1392 } 1393 1394 mode->rates = os_calloc(mode->num_rates, sizeof(int)); 1395 if (!mode->rates) 1396 return NL_STOP; 1397 1398 idx = 0; 1399 1400 nla_for_each_nested(nl_rate, tb, rem_rate) { 1401 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, 1402 nla_data(nl_rate), nla_len(nl_rate), 1403 rate_policy); 1404 if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) 1405 continue; 1406 mode->rates[idx] = nla_get_u32( 1407 tb_rate[NL80211_BITRATE_ATTR_RATE]); 1408 idx++; 1409 } 1410 1411 return NL_OK; 1412 } 1413 1414 1415 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band) 1416 { 1417 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; 1418 struct hostapd_hw_modes *mode; 1419 int ret; 1420 1421 if (phy_info->last_mode != nl_band->nla_type) { 1422 mode = os_realloc_array(phy_info->modes, 1423 *phy_info->num_modes + 1, 1424 sizeof(*mode)); 1425 if (!mode) { 1426 phy_info->failed = 1; 1427 return NL_STOP; 1428 } 1429 phy_info->modes = mode; 1430 1431 mode = &phy_info->modes[*(phy_info->num_modes)]; 1432 os_memset(mode, 0, sizeof(*mode)); 1433 mode->mode = NUM_HOSTAPD_MODES; 1434 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN | 1435 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN; 1436 1437 /* 1438 * Unsupported VHT MCS stream is defined as value 3, so the VHT 1439 * MCS RX/TX map must be initialized with 0xffff to mark all 8 1440 * possible streams as unsupported. This will be overridden if 1441 * driver advertises VHT support. 1442 */ 1443 mode->vht_mcs_set[0] = 0xff; 1444 mode->vht_mcs_set[1] = 0xff; 1445 mode->vht_mcs_set[4] = 0xff; 1446 mode->vht_mcs_set[5] = 0xff; 1447 1448 *(phy_info->num_modes) += 1; 1449 phy_info->last_mode = nl_band->nla_type; 1450 phy_info->last_chan_idx = 0; 1451 } else 1452 mode = &phy_info->modes[*(phy_info->num_modes) - 1]; 1453 1454 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), 1455 nla_len(nl_band), NULL); 1456 1457 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA], 1458 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR], 1459 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY], 1460 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]); 1461 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA], 1462 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); 1463 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]); 1464 if (ret == NL_OK) 1465 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]); 1466 if (ret != NL_OK) { 1467 phy_info->failed = 1; 1468 return ret; 1469 } 1470 1471 return NL_OK; 1472 } 1473 1474 1475 static int phy_info_handler(struct nl_msg *msg, void *arg) 1476 { 1477 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 1478 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1479 struct phy_info_arg *phy_info = arg; 1480 struct nlattr *nl_band; 1481 int rem_band; 1482 1483 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1484 genlmsg_attrlen(gnlh, 0), NULL); 1485 1486 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS]) 1487 return NL_SKIP; 1488 1489 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) 1490 { 1491 int res = phy_info_band(phy_info, nl_band); 1492 if (res != NL_OK) 1493 return res; 1494 } 1495 1496 return NL_SKIP; 1497 } 1498 1499 1500 static struct hostapd_hw_modes * 1501 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes, 1502 u16 *num_modes) 1503 { 1504 u16 m; 1505 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode; 1506 int i, mode11g_idx = -1; 1507 1508 /* heuristic to set up modes */ 1509 for (m = 0; m < *num_modes; m++) { 1510 if (!modes[m].num_channels) 1511 continue; 1512 if (modes[m].channels[0].freq < 4000) { 1513 modes[m].mode = HOSTAPD_MODE_IEEE80211B; 1514 for (i = 0; i < modes[m].num_rates; i++) { 1515 if (modes[m].rates[i] > 200) { 1516 modes[m].mode = HOSTAPD_MODE_IEEE80211G; 1517 break; 1518 } 1519 } 1520 } else if (modes[m].channels[0].freq > 50000) 1521 modes[m].mode = HOSTAPD_MODE_IEEE80211AD; 1522 else 1523 modes[m].mode = HOSTAPD_MODE_IEEE80211A; 1524 } 1525 1526 /* If only 802.11g mode is included, use it to construct matching 1527 * 802.11b mode data. */ 1528 1529 for (m = 0; m < *num_modes; m++) { 1530 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B) 1531 return modes; /* 802.11b already included */ 1532 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G) 1533 mode11g_idx = m; 1534 } 1535 1536 if (mode11g_idx < 0) 1537 return modes; /* 2.4 GHz band not supported at all */ 1538 1539 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); 1540 if (nmodes == NULL) 1541 return modes; /* Could not add 802.11b mode */ 1542 1543 mode = &nmodes[*num_modes]; 1544 os_memset(mode, 0, sizeof(*mode)); 1545 (*num_modes)++; 1546 modes = nmodes; 1547 1548 mode->mode = HOSTAPD_MODE_IEEE80211B; 1549 1550 mode11g = &modes[mode11g_idx]; 1551 mode->num_channels = mode11g->num_channels; 1552 mode->channels = os_memdup(mode11g->channels, 1553 mode11g->num_channels * 1554 sizeof(struct hostapd_channel_data)); 1555 if (mode->channels == NULL) { 1556 (*num_modes)--; 1557 return modes; /* Could not add 802.11b mode */ 1558 } 1559 1560 mode->num_rates = 0; 1561 mode->rates = os_malloc(4 * sizeof(int)); 1562 if (mode->rates == NULL) { 1563 os_free(mode->channels); 1564 (*num_modes)--; 1565 return modes; /* Could not add 802.11b mode */ 1566 } 1567 1568 for (i = 0; i < mode11g->num_rates; i++) { 1569 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 && 1570 mode11g->rates[i] != 55 && mode11g->rates[i] != 110) 1571 continue; 1572 mode->rates[mode->num_rates] = mode11g->rates[i]; 1573 mode->num_rates++; 1574 if (mode->num_rates == 4) 1575 break; 1576 } 1577 1578 if (mode->num_rates == 0) { 1579 os_free(mode->channels); 1580 os_free(mode->rates); 1581 (*num_modes)--; 1582 return modes; /* No 802.11b rates */ 1583 } 1584 1585 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g " 1586 "information"); 1587 1588 return modes; 1589 } 1590 1591 1592 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, 1593 int end) 1594 { 1595 int c; 1596 1597 for (c = 0; c < mode->num_channels; c++) { 1598 struct hostapd_channel_data *chan = &mode->channels[c]; 1599 if (chan->freq - 10 >= start && chan->freq + 10 <= end) 1600 chan->flag |= HOSTAPD_CHAN_HT40; 1601 } 1602 } 1603 1604 1605 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, 1606 int end) 1607 { 1608 int c; 1609 1610 for (c = 0; c < mode->num_channels; c++) { 1611 struct hostapd_channel_data *chan = &mode->channels[c]; 1612 if (!(chan->flag & HOSTAPD_CHAN_HT40)) 1613 continue; 1614 if (chan->freq - 30 >= start && chan->freq - 10 <= end) 1615 chan->flag |= HOSTAPD_CHAN_HT40MINUS; 1616 if (chan->freq + 10 >= start && chan->freq + 30 <= end) 1617 chan->flag |= HOSTAPD_CHAN_HT40PLUS; 1618 } 1619 } 1620 1621 1622 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp, 1623 struct phy_info_arg *results) 1624 { 1625 u16 m; 1626 1627 for (m = 0; m < *results->num_modes; m++) { 1628 int c; 1629 struct hostapd_hw_modes *mode = &results->modes[m]; 1630 1631 for (c = 0; c < mode->num_channels; c++) { 1632 struct hostapd_channel_data *chan = &mode->channels[c]; 1633 if ((u32) chan->freq - 10 >= start && 1634 (u32) chan->freq + 10 <= end) 1635 chan->max_tx_power = max_eirp; 1636 } 1637 } 1638 } 1639 1640 1641 static void nl80211_reg_rule_ht40(u32 start, u32 end, 1642 struct phy_info_arg *results) 1643 { 1644 u16 m; 1645 1646 for (m = 0; m < *results->num_modes; m++) { 1647 if (!(results->modes[m].ht_capab & 1648 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1649 continue; 1650 nl80211_set_ht40_mode(&results->modes[m], start, end); 1651 } 1652 } 1653 1654 1655 static void nl80211_reg_rule_sec(struct nlattr *tb[], 1656 struct phy_info_arg *results) 1657 { 1658 u32 start, end, max_bw; 1659 u16 m; 1660 1661 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1662 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 1663 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 1664 return; 1665 1666 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1667 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1668 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1669 1670 if (max_bw < 20) 1671 return; 1672 1673 for (m = 0; m < *results->num_modes; m++) { 1674 if (!(results->modes[m].ht_capab & 1675 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1676 continue; 1677 nl80211_set_ht40_mode_sec(&results->modes[m], start, end); 1678 } 1679 } 1680 1681 1682 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start, 1683 int end, int max_bw) 1684 { 1685 int c; 1686 1687 for (c = 0; c < mode->num_channels; c++) { 1688 struct hostapd_channel_data *chan = &mode->channels[c]; 1689 if (chan->freq - 10 >= start && chan->freq + 70 <= end) 1690 chan->flag |= HOSTAPD_CHAN_VHT_10_70; 1691 1692 if (chan->freq - 30 >= start && chan->freq + 50 <= end) 1693 chan->flag |= HOSTAPD_CHAN_VHT_30_50; 1694 1695 if (chan->freq - 50 >= start && chan->freq + 30 <= end) 1696 chan->flag |= HOSTAPD_CHAN_VHT_50_30; 1697 1698 if (chan->freq - 70 >= start && chan->freq + 10 <= end) 1699 chan->flag |= HOSTAPD_CHAN_VHT_70_10; 1700 1701 if (max_bw >= 160) { 1702 if (chan->freq - 10 >= start && chan->freq + 150 <= end) 1703 chan->flag |= HOSTAPD_CHAN_VHT_10_150; 1704 1705 if (chan->freq - 30 >= start && chan->freq + 130 <= end) 1706 chan->flag |= HOSTAPD_CHAN_VHT_30_130; 1707 1708 if (chan->freq - 50 >= start && chan->freq + 110 <= end) 1709 chan->flag |= HOSTAPD_CHAN_VHT_50_110; 1710 1711 if (chan->freq - 70 >= start && chan->freq + 90 <= end) 1712 chan->flag |= HOSTAPD_CHAN_VHT_70_90; 1713 1714 if (chan->freq - 90 >= start && chan->freq + 70 <= end) 1715 chan->flag |= HOSTAPD_CHAN_VHT_90_70; 1716 1717 if (chan->freq - 110 >= start && chan->freq + 50 <= end) 1718 chan->flag |= HOSTAPD_CHAN_VHT_110_50; 1719 1720 if (chan->freq - 130 >= start && chan->freq + 30 <= end) 1721 chan->flag |= HOSTAPD_CHAN_VHT_130_30; 1722 1723 if (chan->freq - 150 >= start && chan->freq + 10 <= end) 1724 chan->flag |= HOSTAPD_CHAN_VHT_150_10; 1725 } 1726 } 1727 } 1728 1729 1730 static void nl80211_reg_rule_vht(struct nlattr *tb[], 1731 struct phy_info_arg *results) 1732 { 1733 u32 start, end, max_bw; 1734 u16 m; 1735 1736 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1737 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || 1738 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) 1739 return; 1740 1741 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1742 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1743 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1744 1745 if (max_bw < 80) 1746 return; 1747 1748 for (m = 0; m < *results->num_modes; m++) { 1749 if (!(results->modes[m].ht_capab & 1750 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) 1751 continue; 1752 /* TODO: use a real VHT support indication */ 1753 if (!results->modes[m].vht_capab) 1754 continue; 1755 1756 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw); 1757 } 1758 } 1759 1760 1761 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region, 1762 u8 *dfs_domain) 1763 { 1764 if (region == NL80211_DFS_FCC) 1765 *dfs_domain = HOSTAPD_DFS_REGION_FCC; 1766 else if (region == NL80211_DFS_ETSI) 1767 *dfs_domain = HOSTAPD_DFS_REGION_ETSI; 1768 else if (region == NL80211_DFS_JP) 1769 *dfs_domain = HOSTAPD_DFS_REGION_JP; 1770 else 1771 *dfs_domain = 0; 1772 } 1773 1774 1775 static const char * dfs_domain_name(enum nl80211_dfs_regions region) 1776 { 1777 switch (region) { 1778 case NL80211_DFS_UNSET: 1779 return "DFS-UNSET"; 1780 case NL80211_DFS_FCC: 1781 return "DFS-FCC"; 1782 case NL80211_DFS_ETSI: 1783 return "DFS-ETSI"; 1784 case NL80211_DFS_JP: 1785 return "DFS-JP"; 1786 default: 1787 return "DFS-invalid"; 1788 } 1789 } 1790 1791 1792 static int nl80211_get_reg(struct nl_msg *msg, void *arg) 1793 { 1794 struct phy_info_arg *results = arg; 1795 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; 1796 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 1797 struct nlattr *nl_rule; 1798 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; 1799 int rem_rule; 1800 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { 1801 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, 1802 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, 1803 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, 1804 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, 1805 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, 1806 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, 1807 }; 1808 1809 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 1810 genlmsg_attrlen(gnlh, 0), NULL); 1811 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || 1812 !tb_msg[NL80211_ATTR_REG_RULES]) { 1813 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " 1814 "available"); 1815 return NL_SKIP; 1816 } 1817 1818 if (tb_msg[NL80211_ATTR_DFS_REGION]) { 1819 enum nl80211_dfs_regions dfs_domain; 1820 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]); 1821 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain); 1822 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)", 1823 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 1824 dfs_domain_name(dfs_domain)); 1825 } else { 1826 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", 1827 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); 1828 } 1829 1830 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 1831 { 1832 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0; 1833 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 1834 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 1835 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL || 1836 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL) 1837 continue; 1838 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000; 1839 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000; 1840 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 1841 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100; 1842 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) 1843 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; 1844 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS]) 1845 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]); 1846 1847 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s", 1848 start, end, max_bw, max_eirp, 1849 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "", 1850 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "", 1851 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "", 1852 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" : 1853 "", 1854 flags & NL80211_RRF_DFS ? " (DFS)" : "", 1855 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "", 1856 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "", 1857 flags & NL80211_RRF_NO_IR ? " (no IR)" : ""); 1858 if (max_bw >= 40) 1859 nl80211_reg_rule_ht40(start, end, results); 1860 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) 1861 nl80211_reg_rule_max_eirp(start, end, max_eirp, 1862 results); 1863 } 1864 1865 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 1866 { 1867 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 1868 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 1869 nl80211_reg_rule_sec(tb_rule, results); 1870 } 1871 1872 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) 1873 { 1874 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, 1875 nla_data(nl_rule), nla_len(nl_rule), reg_policy); 1876 nl80211_reg_rule_vht(tb_rule, results); 1877 } 1878 1879 return NL_SKIP; 1880 } 1881 1882 1883 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv, 1884 struct phy_info_arg *results) 1885 { 1886 struct nl_msg *msg; 1887 1888 msg = nlmsg_alloc(); 1889 if (!msg) 1890 return -ENOMEM; 1891 1892 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); 1893 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results); 1894 } 1895 1896 1897 struct hostapd_hw_modes * 1898 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, 1899 u8 *dfs_domain) 1900 { 1901 u32 feat; 1902 struct i802_bss *bss = priv; 1903 struct wpa_driver_nl80211_data *drv = bss->drv; 1904 int nl_flags = 0; 1905 struct nl_msg *msg; 1906 struct phy_info_arg result = { 1907 .num_modes = num_modes, 1908 .modes = NULL, 1909 .last_mode = -1, 1910 .failed = 0, 1911 .dfs_domain = 0, 1912 }; 1913 1914 *num_modes = 0; 1915 *flags = 0; 1916 *dfs_domain = 0; 1917 1918 feat = get_nl80211_protocol_features(drv); 1919 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) 1920 nl_flags = NLM_F_DUMP; 1921 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) || 1922 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { 1923 nlmsg_free(msg); 1924 return NULL; 1925 } 1926 1927 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) { 1928 nl80211_set_regulatory_flags(drv, &result); 1929 if (result.failed) { 1930 int i; 1931 1932 for (i = 0; result.modes && i < *num_modes; i++) { 1933 os_free(result.modes[i].channels); 1934 os_free(result.modes[i].rates); 1935 } 1936 os_free(result.modes); 1937 *num_modes = 0; 1938 return NULL; 1939 } 1940 1941 *dfs_domain = result.dfs_domain; 1942 1943 return wpa_driver_nl80211_postprocess_modes(result.modes, 1944 num_modes); 1945 } 1946 1947 return NULL; 1948 } 1949
