mesh.c revision 1.1.1.2.12.2
1 /* 2 * WPA Supplicant - Basic mesh mode routines 3 * Copyright (c) 2013-2014, cozybit, Inc. All rights reserved. 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #include "utils/includes.h" 10 11 #include "utils/common.h" 12 #include "utils/eloop.h" 13 #include "utils/uuid.h" 14 #include "common/ieee802_11_defs.h" 15 #include "common/wpa_ctrl.h" 16 #include "ap/sta_info.h" 17 #include "ap/hostapd.h" 18 #include "ap/ieee802_11.h" 19 #include "config_ssid.h" 20 #include "config.h" 21 #include "wpa_supplicant_i.h" 22 #include "driver_i.h" 23 #include "notify.h" 24 #include "ap.h" 25 #include "mesh_mpm.h" 26 #include "mesh_rsn.h" 27 #include "mesh.h" 28 29 30 static void wpa_supplicant_mesh_deinit(struct wpa_supplicant *wpa_s) 31 { 32 wpa_supplicant_mesh_iface_deinit(wpa_s, wpa_s->ifmsh); 33 wpa_s->ifmsh = NULL; 34 wpa_s->current_ssid = NULL; 35 os_free(wpa_s->mesh_rsn); 36 wpa_s->mesh_rsn = NULL; 37 /* TODO: leave mesh (stop beacon). This will happen on link down 38 * anyway, so it's not urgent */ 39 } 40 41 42 void wpa_supplicant_mesh_iface_deinit(struct wpa_supplicant *wpa_s, 43 struct hostapd_iface *ifmsh) 44 { 45 if (!ifmsh) 46 return; 47 48 if (ifmsh->mconf) { 49 mesh_mpm_deinit(wpa_s, ifmsh); 50 if (ifmsh->mconf->rsn_ie) { 51 ifmsh->mconf->rsn_ie = NULL; 52 /* We cannot free this struct 53 * because wpa_authenticator on 54 * hostapd side is also using it 55 * for now just set to NULL and 56 * let hostapd code free it. 57 */ 58 } 59 os_free(ifmsh->mconf); 60 ifmsh->mconf = NULL; 61 } 62 63 /* take care of shared data */ 64 hostapd_interface_deinit(ifmsh); 65 hostapd_interface_free(ifmsh); 66 } 67 68 69 static struct mesh_conf * mesh_config_create(struct wpa_supplicant *wpa_s, 70 struct wpa_ssid *ssid) 71 { 72 struct mesh_conf *conf; 73 int cipher; 74 75 conf = os_zalloc(sizeof(struct mesh_conf)); 76 if (!conf) 77 return NULL; 78 79 os_memcpy(conf->meshid, ssid->ssid, ssid->ssid_len); 80 conf->meshid_len = ssid->ssid_len; 81 82 if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) 83 conf->security |= MESH_CONF_SEC_AUTH | 84 MESH_CONF_SEC_AMPE; 85 else 86 conf->security |= MESH_CONF_SEC_NONE; 87 conf->ieee80211w = ssid->ieee80211w; 88 if (conf->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT) { 89 if (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_BIP) 90 conf->ieee80211w = wpa_s->conf->pmf; 91 else 92 conf->ieee80211w = NO_MGMT_FRAME_PROTECTION; 93 } 94 95 cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher, 0); 96 if (cipher < 0 || cipher == WPA_CIPHER_TKIP) { 97 wpa_msg(wpa_s, MSG_INFO, "mesh: Invalid pairwise cipher"); 98 os_free(conf); 99 return NULL; 100 } 101 conf->pairwise_cipher = cipher; 102 103 cipher = wpa_pick_group_cipher(ssid->group_cipher); 104 if (cipher < 0 || cipher == WPA_CIPHER_TKIP || 105 cipher == WPA_CIPHER_GTK_NOT_USED) { 106 wpa_msg(wpa_s, MSG_INFO, "mesh: Invalid group cipher"); 107 os_free(conf); 108 return NULL; 109 } 110 111 conf->group_cipher = cipher; 112 if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) 113 conf->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC; 114 115 /* defaults */ 116 conf->mesh_pp_id = MESH_PATH_PROTOCOL_HWMP; 117 conf->mesh_pm_id = MESH_PATH_METRIC_AIRTIME; 118 conf->mesh_cc_id = 0; 119 conf->mesh_sp_id = MESH_SYNC_METHOD_NEIGHBOR_OFFSET; 120 conf->mesh_auth_id = (conf->security & MESH_CONF_SEC_AUTH) ? 1 : 0; 121 conf->dot11MeshMaxRetries = ssid->dot11MeshMaxRetries; 122 conf->dot11MeshRetryTimeout = ssid->dot11MeshRetryTimeout; 123 conf->dot11MeshConfirmTimeout = ssid->dot11MeshConfirmTimeout; 124 conf->dot11MeshHoldingTimeout = ssid->dot11MeshHoldingTimeout; 125 126 return conf; 127 } 128 129 130 static void wpas_mesh_copy_groups(struct hostapd_data *bss, 131 struct wpa_supplicant *wpa_s) 132 { 133 int num_groups; 134 size_t groups_size; 135 136 for (num_groups = 0; wpa_s->conf->sae_groups[num_groups] > 0; 137 num_groups++) 138 ; 139 140 groups_size = (num_groups + 1) * sizeof(wpa_s->conf->sae_groups[0]); 141 bss->conf->sae_groups = os_malloc(groups_size); 142 if (bss->conf->sae_groups) 143 os_memcpy(bss->conf->sae_groups, wpa_s->conf->sae_groups, 144 groups_size); 145 } 146 147 148 static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s, 149 struct wpa_ssid *ssid) 150 { 151 struct hostapd_iface *ifmsh; 152 struct hostapd_data *bss; 153 struct hostapd_config *conf; 154 struct mesh_conf *mconf; 155 int basic_rates_erp[] = { 10, 20, 55, 60, 110, 120, 240, -1 }; 156 static int default_groups[] = { 19, 20, 21, 25, 26, -1 }; 157 size_t len; 158 int rate_len; 159 160 if (!wpa_s->conf->user_mpm) { 161 /* not much for us to do here */ 162 wpa_msg(wpa_s, MSG_WARNING, 163 "user_mpm is not enabled in configuration"); 164 return 0; 165 } 166 167 wpa_s->ifmsh = ifmsh = os_zalloc(sizeof(*wpa_s->ifmsh)); 168 if (!ifmsh) 169 return -ENOMEM; 170 171 ifmsh->drv_flags = wpa_s->drv_flags; 172 ifmsh->num_bss = 1; 173 ifmsh->bss = os_calloc(wpa_s->ifmsh->num_bss, 174 sizeof(struct hostapd_data *)); 175 if (!ifmsh->bss) 176 goto out_free; 177 178 ifmsh->bss[0] = bss = os_zalloc(sizeof(struct hostapd_data)); 179 if (!bss) 180 goto out_free; 181 dl_list_init(&bss->nr_db); 182 183 os_memcpy(bss->own_addr, wpa_s->own_addr, ETH_ALEN); 184 bss->driver = wpa_s->driver; 185 bss->drv_priv = wpa_s->drv_priv; 186 bss->iface = ifmsh; 187 bss->mesh_sta_free_cb = mesh_mpm_free_sta; 188 wpa_s->assoc_freq = ssid->frequency; 189 wpa_s->current_ssid = ssid; 190 191 /* setup an AP config for auth processing */ 192 conf = hostapd_config_defaults(); 193 if (!conf) 194 goto out_free; 195 196 bss->conf = *conf->bss; 197 bss->conf->start_disabled = 1; 198 bss->conf->mesh = MESH_ENABLED; 199 bss->conf->ap_max_inactivity = wpa_s->conf->mesh_max_inactivity; 200 bss->iconf = conf; 201 ifmsh->conf = conf; 202 203 ifmsh->bss[0]->max_plinks = wpa_s->conf->max_peer_links; 204 ifmsh->bss[0]->dot11RSNASAERetransPeriod = 205 wpa_s->conf->dot11RSNASAERetransPeriod; 206 os_strlcpy(bss->conf->iface, wpa_s->ifname, sizeof(bss->conf->iface)); 207 208 mconf = mesh_config_create(wpa_s, ssid); 209 if (!mconf) 210 goto out_free; 211 ifmsh->mconf = mconf; 212 213 /* need conf->hw_mode for supported rates. */ 214 conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency, &conf->channel); 215 if (conf->hw_mode == NUM_HOSTAPD_MODES) { 216 wpa_printf(MSG_ERROR, "Unsupported mesh mode frequency: %d MHz", 217 ssid->frequency); 218 goto out_free; 219 } 220 if (ssid->ht40) 221 conf->secondary_channel = ssid->ht40; 222 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A && ssid->vht) { 223 conf->vht_oper_chwidth = ssid->max_oper_chwidth; 224 switch (conf->vht_oper_chwidth) { 225 case VHT_CHANWIDTH_80MHZ: 226 case VHT_CHANWIDTH_80P80MHZ: 227 ieee80211_freq_to_chan( 228 ssid->frequency, 229 &conf->vht_oper_centr_freq_seg0_idx); 230 conf->vht_oper_centr_freq_seg0_idx += ssid->ht40 * 2; 231 break; 232 case VHT_CHANWIDTH_160MHZ: 233 ieee80211_freq_to_chan( 234 ssid->frequency, 235 &conf->vht_oper_centr_freq_seg0_idx); 236 conf->vht_oper_centr_freq_seg0_idx += ssid->ht40 * 2; 237 conf->vht_oper_centr_freq_seg0_idx += 40 / 5; 238 break; 239 } 240 ieee80211_freq_to_chan(ssid->vht_center_freq2, 241 &conf->vht_oper_centr_freq_seg1_idx); 242 } 243 244 if (ssid->mesh_basic_rates == NULL) { 245 /* 246 * XXX: Hack! This is so an MPM which correctly sets the ERP 247 * mandatory rates as BSSBasicRateSet doesn't reject us. We 248 * could add a new hw_mode HOSTAPD_MODE_IEEE80211G_ERP, but 249 * this is way easier. This also makes our BSSBasicRateSet 250 * advertised in beacons match the one in peering frames, sigh. 251 */ 252 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G) { 253 conf->basic_rates = os_malloc(sizeof(basic_rates_erp)); 254 if (!conf->basic_rates) 255 goto out_free; 256 os_memcpy(conf->basic_rates, basic_rates_erp, 257 sizeof(basic_rates_erp)); 258 } 259 } else { 260 rate_len = 0; 261 while (1) { 262 if (ssid->mesh_basic_rates[rate_len] < 1) 263 break; 264 rate_len++; 265 } 266 conf->basic_rates = os_calloc(rate_len + 1, sizeof(int)); 267 if (conf->basic_rates == NULL) 268 goto out_free; 269 os_memcpy(conf->basic_rates, ssid->mesh_basic_rates, 270 rate_len * sizeof(int)); 271 conf->basic_rates[rate_len] = -1; 272 } 273 274 if (hostapd_setup_interface(ifmsh)) { 275 wpa_printf(MSG_ERROR, 276 "Failed to initialize hostapd interface for mesh"); 277 return -1; 278 } 279 280 if (wpa_drv_init_mesh(wpa_s)) { 281 wpa_msg(wpa_s, MSG_ERROR, "Failed to init mesh in driver"); 282 return -1; 283 } 284 285 if (mconf->security != MESH_CONF_SEC_NONE) { 286 if (ssid->passphrase == NULL) { 287 wpa_printf(MSG_ERROR, 288 "mesh: Passphrase for SAE not configured"); 289 goto out_free; 290 } 291 292 bss->conf->wpa = ssid->proto; 293 bss->conf->wpa_key_mgmt = ssid->key_mgmt; 294 295 if (wpa_s->conf->sae_groups && 296 wpa_s->conf->sae_groups[0] > 0) { 297 wpas_mesh_copy_groups(bss, wpa_s); 298 } else { 299 bss->conf->sae_groups = 300 os_malloc(sizeof(default_groups)); 301 if (!bss->conf->sae_groups) 302 goto out_free; 303 os_memcpy(bss->conf->sae_groups, default_groups, 304 sizeof(default_groups)); 305 } 306 307 len = os_strlen(ssid->passphrase); 308 bss->conf->ssid.wpa_passphrase = 309 dup_binstr(ssid->passphrase, len); 310 311 wpa_s->mesh_rsn = mesh_rsn_auth_init(wpa_s, mconf); 312 if (!wpa_s->mesh_rsn) 313 goto out_free; 314 } 315 316 wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf); 317 318 return 0; 319 out_free: 320 wpa_supplicant_mesh_deinit(wpa_s); 321 return -ENOMEM; 322 } 323 324 325 void wpa_mesh_notify_peer(struct wpa_supplicant *wpa_s, const u8 *addr, 326 const u8 *ies, size_t ie_len) 327 { 328 struct ieee802_11_elems elems; 329 330 wpa_msg(wpa_s, MSG_INFO, 331 "new peer notification for " MACSTR, MAC2STR(addr)); 332 333 if (ieee802_11_parse_elems(ies, ie_len, &elems, 0) == ParseFailed) { 334 wpa_msg(wpa_s, MSG_INFO, "Could not parse beacon from " MACSTR, 335 MAC2STR(addr)); 336 return; 337 } 338 wpa_mesh_new_mesh_peer(wpa_s, addr, &elems); 339 } 340 341 342 void wpa_supplicant_mesh_add_scan_ie(struct wpa_supplicant *wpa_s, 343 struct wpabuf **extra_ie) 344 { 345 /* EID + 0-length (wildcard) mesh-id */ 346 size_t ielen = 2; 347 348 if (wpabuf_resize(extra_ie, ielen) == 0) { 349 wpabuf_put_u8(*extra_ie, WLAN_EID_MESH_ID); 350 wpabuf_put_u8(*extra_ie, 0); 351 } 352 } 353 354 355 int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s, 356 struct wpa_ssid *ssid) 357 { 358 struct wpa_driver_mesh_join_params params; 359 int ret = 0; 360 361 if (!ssid || !ssid->ssid || !ssid->ssid_len || !ssid->frequency) { 362 ret = -ENOENT; 363 goto out; 364 } 365 366 wpa_supplicant_mesh_deinit(wpa_s); 367 368 wpa_s->pairwise_cipher = WPA_CIPHER_NONE; 369 wpa_s->group_cipher = WPA_CIPHER_NONE; 370 wpa_s->mgmt_group_cipher = 0; 371 372 os_memset(¶ms, 0, sizeof(params)); 373 params.meshid = ssid->ssid; 374 params.meshid_len = ssid->ssid_len; 375 ibss_mesh_setup_freq(wpa_s, ssid, ¶ms.freq); 376 wpa_s->mesh_ht_enabled = !!params.freq.ht_enabled; 377 wpa_s->mesh_vht_enabled = !!params.freq.vht_enabled; 378 if (params.freq.ht_enabled && params.freq.sec_channel_offset) 379 ssid->ht40 = params.freq.sec_channel_offset; 380 if (wpa_s->mesh_vht_enabled) { 381 ssid->vht = 1; 382 switch (params.freq.bandwidth) { 383 case 80: 384 if (params.freq.center_freq2) { 385 ssid->max_oper_chwidth = VHT_CHANWIDTH_80P80MHZ; 386 ssid->vht_center_freq2 = 387 params.freq.center_freq2; 388 } else { 389 ssid->max_oper_chwidth = VHT_CHANWIDTH_80MHZ; 390 } 391 break; 392 case 160: 393 ssid->max_oper_chwidth = VHT_CHANWIDTH_160MHZ; 394 break; 395 default: 396 ssid->max_oper_chwidth = VHT_CHANWIDTH_USE_HT; 397 break; 398 } 399 } 400 if (ssid->beacon_int > 0) 401 params.beacon_int = ssid->beacon_int; 402 else if (wpa_s->conf->beacon_int > 0) 403 params.beacon_int = wpa_s->conf->beacon_int; 404 if (ssid->dtim_period > 0) 405 params.dtim_period = ssid->dtim_period; 406 else if (wpa_s->conf->dtim_period > 0) 407 params.dtim_period = wpa_s->conf->dtim_period; 408 params.conf.max_peer_links = wpa_s->conf->max_peer_links; 409 410 if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) { 411 params.flags |= WPA_DRIVER_MESH_FLAG_SAE_AUTH; 412 params.flags |= WPA_DRIVER_MESH_FLAG_AMPE; 413 wpa_s->conf->user_mpm = 1; 414 } 415 416 if (wpa_s->conf->user_mpm) { 417 params.flags |= WPA_DRIVER_MESH_FLAG_USER_MPM; 418 params.conf.auto_plinks = 0; 419 } else { 420 params.flags |= WPA_DRIVER_MESH_FLAG_DRIVER_MPM; 421 params.conf.auto_plinks = 1; 422 } 423 params.conf.peer_link_timeout = wpa_s->conf->mesh_max_inactivity; 424 425 if (wpa_supplicant_mesh_init(wpa_s, ssid)) { 426 wpa_msg(wpa_s, MSG_ERROR, "Failed to init mesh"); 427 wpa_drv_leave_mesh(wpa_s); 428 ret = -1; 429 goto out; 430 } 431 432 if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) { 433 wpa_s->pairwise_cipher = wpa_s->mesh_rsn->pairwise_cipher; 434 wpa_s->group_cipher = wpa_s->mesh_rsn->group_cipher; 435 wpa_s->mgmt_group_cipher = wpa_s->mesh_rsn->mgmt_group_cipher; 436 } 437 438 if (wpa_s->ifmsh) { 439 params.ies = wpa_s->ifmsh->mconf->rsn_ie; 440 params.ie_len = wpa_s->ifmsh->mconf->rsn_ie_len; 441 params.basic_rates = wpa_s->ifmsh->basic_rates; 442 params.conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE; 443 params.conf.ht_opmode = wpa_s->ifmsh->bss[0]->iface->ht_op_mode; 444 } 445 446 wpa_msg(wpa_s, MSG_INFO, "joining mesh %s", 447 wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); 448 ret = wpa_drv_join_mesh(wpa_s, ¶ms); 449 if (ret) 450 wpa_msg(wpa_s, MSG_ERROR, "mesh join error=%d", ret); 451 452 /* hostapd sets the interface down until we associate */ 453 wpa_drv_set_operstate(wpa_s, 1); 454 455 if (!ret) 456 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 457 458 out: 459 return ret; 460 } 461 462 463 int wpa_supplicant_leave_mesh(struct wpa_supplicant *wpa_s) 464 { 465 int ret = 0; 466 467 wpa_msg(wpa_s, MSG_INFO, "leaving mesh"); 468 469 /* Need to send peering close messages first */ 470 wpa_supplicant_mesh_deinit(wpa_s); 471 472 ret = wpa_drv_leave_mesh(wpa_s); 473 if (ret) 474 wpa_msg(wpa_s, MSG_ERROR, "mesh leave error=%d", ret); 475 476 wpa_drv_set_operstate(wpa_s, 1); 477 478 return ret; 479 } 480 481 482 static int mesh_attr_text(const u8 *ies, size_t ies_len, char *buf, char *end) 483 { 484 struct ieee802_11_elems elems; 485 char *mesh_id, *pos = buf; 486 u8 *bss_basic_rate_set; 487 int bss_basic_rate_set_len, ret, i; 488 489 if (ieee802_11_parse_elems(ies, ies_len, &elems, 0) == ParseFailed) 490 return -1; 491 492 if (elems.mesh_id_len < 1) 493 return 0; 494 495 mesh_id = os_malloc(elems.mesh_id_len + 1); 496 if (mesh_id == NULL) 497 return -1; 498 499 os_memcpy(mesh_id, elems.mesh_id, elems.mesh_id_len); 500 mesh_id[elems.mesh_id_len] = '\0'; 501 ret = os_snprintf(pos, end - pos, "mesh_id=%s\n", mesh_id); 502 os_free(mesh_id); 503 if (os_snprintf_error(end - pos, ret)) 504 return pos - buf; 505 pos += ret; 506 507 if (elems.mesh_config_len > 6) { 508 ret = os_snprintf(pos, end - pos, 509 "active_path_selection_protocol_id=0x%02x\n" 510 "active_path_selection_metric_id=0x%02x\n" 511 "congestion_control_mode_id=0x%02x\n" 512 "synchronization_method_id=0x%02x\n" 513 "authentication_protocol_id=0x%02x\n" 514 "mesh_formation_info=0x%02x\n" 515 "mesh_capability=0x%02x\n", 516 elems.mesh_config[0], elems.mesh_config[1], 517 elems.mesh_config[2], elems.mesh_config[3], 518 elems.mesh_config[4], elems.mesh_config[5], 519 elems.mesh_config[6]); 520 if (os_snprintf_error(end - pos, ret)) 521 return pos - buf; 522 pos += ret; 523 } 524 525 bss_basic_rate_set = os_malloc(elems.supp_rates_len + 526 elems.ext_supp_rates_len); 527 if (bss_basic_rate_set == NULL) 528 return -1; 529 530 bss_basic_rate_set_len = 0; 531 for (i = 0; i < elems.supp_rates_len; i++) { 532 if (elems.supp_rates[i] & 0x80) { 533 bss_basic_rate_set[bss_basic_rate_set_len++] = 534 (elems.supp_rates[i] & 0x7f) * 5; 535 } 536 } 537 for (i = 0; i < elems.ext_supp_rates_len; i++) { 538 if (elems.ext_supp_rates[i] & 0x80) { 539 bss_basic_rate_set[bss_basic_rate_set_len++] = 540 (elems.ext_supp_rates[i] & 0x7f) * 5; 541 } 542 } 543 if (bss_basic_rate_set_len > 0) { 544 ret = os_snprintf(pos, end - pos, "bss_basic_rate_set=%d", 545 bss_basic_rate_set[0]); 546 if (os_snprintf_error(end - pos, ret)) 547 goto fail; 548 pos += ret; 549 550 for (i = 1; i < bss_basic_rate_set_len; i++) { 551 ret = os_snprintf(pos, end - pos, " %d", 552 bss_basic_rate_set[i]); 553 if (os_snprintf_error(end - pos, ret)) 554 goto fail; 555 pos += ret; 556 } 557 558 ret = os_snprintf(pos, end - pos, "\n"); 559 if (os_snprintf_error(end - pos, ret)) 560 goto fail; 561 pos += ret; 562 } 563 fail: 564 os_free(bss_basic_rate_set); 565 566 return pos - buf; 567 } 568 569 570 int wpas_mesh_scan_result_text(const u8 *ies, size_t ies_len, char *buf, 571 char *end) 572 { 573 return mesh_attr_text(ies, ies_len, buf, end); 574 } 575 576 577 static int wpas_mesh_get_ifname(struct wpa_supplicant *wpa_s, char *ifname, 578 size_t len) 579 { 580 char *ifname_ptr = wpa_s->ifname; 581 int res; 582 583 res = os_snprintf(ifname, len, "mesh-%s-%d", ifname_ptr, 584 wpa_s->mesh_if_idx); 585 if (os_snprintf_error(len, res) || 586 (os_strlen(ifname) >= IFNAMSIZ && 587 os_strlen(wpa_s->ifname) < IFNAMSIZ)) { 588 /* Try to avoid going over the IFNAMSIZ length limit */ 589 res = os_snprintf(ifname, len, "mesh-%d", wpa_s->mesh_if_idx); 590 if (os_snprintf_error(len, res)) 591 return -1; 592 } 593 wpa_s->mesh_if_idx++; 594 return 0; 595 } 596 597 598 int wpas_mesh_add_interface(struct wpa_supplicant *wpa_s, char *ifname, 599 size_t len) 600 { 601 struct wpa_interface iface; 602 struct wpa_supplicant *mesh_wpa_s; 603 u8 addr[ETH_ALEN]; 604 605 if (ifname[0] == '\0' && wpas_mesh_get_ifname(wpa_s, ifname, len) < 0) 606 return -1; 607 608 if (wpa_drv_if_add(wpa_s, WPA_IF_MESH, ifname, NULL, NULL, NULL, addr, 609 NULL) < 0) { 610 wpa_printf(MSG_ERROR, 611 "mesh: Failed to create new mesh interface"); 612 return -1; 613 } 614 wpa_printf(MSG_INFO, "mesh: Created virtual interface %s addr " 615 MACSTR, ifname, MAC2STR(addr)); 616 617 os_memset(&iface, 0, sizeof(iface)); 618 iface.ifname = ifname; 619 iface.driver = wpa_s->driver->name; 620 iface.driver_param = wpa_s->conf->driver_param; 621 iface.ctrl_interface = wpa_s->conf->ctrl_interface; 622 623 mesh_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s); 624 if (!mesh_wpa_s) { 625 wpa_printf(MSG_ERROR, 626 "mesh: Failed to create new wpa_supplicant interface"); 627 wpa_drv_if_remove(wpa_s, WPA_IF_MESH, ifname); 628 return -1; 629 } 630 mesh_wpa_s->mesh_if_created = 1; 631 return 0; 632 } 633 634 635 int wpas_mesh_peer_remove(struct wpa_supplicant *wpa_s, const u8 *addr) 636 { 637 return mesh_mpm_close_peer(wpa_s, addr); 638 } 639 640 641 int wpas_mesh_peer_add(struct wpa_supplicant *wpa_s, const u8 *addr, 642 int duration) 643 { 644 return mesh_mpm_connect_peer(wpa_s, addr, duration); 645 } 646
Indexes created Sun Mar 01 05:31:48 UTC 2026