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 struct hostapd_freq_params *freq) 151 { 152 struct hostapd_iface *ifmsh; 153 struct hostapd_data *bss; 154 struct hostapd_config *conf; 155 struct mesh_conf *mconf; 156 int basic_rates_erp[] = { 10, 20, 55, 60, 110, 120, 240, -1 }; 157 static int default_groups[] = { 19, 20, 21, 25, 26, -1 }; 158 size_t len; 159 int rate_len; 160 int frequency; 161 162 if (!wpa_s->conf->user_mpm) { 163 /* not much for us to do here */ 164 wpa_msg(wpa_s, MSG_WARNING, 165 "user_mpm is not enabled in configuration"); 166 return 0; 167 } 168 169 wpa_s->ifmsh = ifmsh = os_zalloc(sizeof(*wpa_s->ifmsh)); 170 if (!ifmsh) 171 return -ENOMEM; 172 173 ifmsh->drv_flags = wpa_s->drv_flags; 174 ifmsh->num_bss = 1; 175 ifmsh->bss = os_calloc(wpa_s->ifmsh->num_bss, 176 sizeof(struct hostapd_data *)); 177 if (!ifmsh->bss) 178 goto out_free; 179 180 ifmsh->bss[0] = bss = hostapd_alloc_bss_data(NULL, NULL, NULL); 181 if (!bss) 182 goto out_free; 183 184 os_memcpy(bss->own_addr, wpa_s->own_addr, ETH_ALEN); 185 bss->driver = wpa_s->driver; 186 bss->drv_priv = wpa_s->drv_priv; 187 bss->iface = ifmsh; 188 bss->mesh_sta_free_cb = mesh_mpm_free_sta; 189 frequency = ssid->frequency; 190 if (frequency != freq->freq && 191 frequency == freq->freq + freq->sec_channel_offset * 20) { 192 wpa_printf(MSG_DEBUG, "mesh: pri/sec channels switched"); 193 frequency = freq->freq; 194 } 195 wpa_s->assoc_freq = frequency; 196 wpa_s->current_ssid = ssid; 197 198 /* setup an AP config for auth processing */ 199 conf = hostapd_config_defaults(); 200 if (!conf) 201 goto out_free; 202 203 bss->conf = *conf->bss; 204 bss->conf->start_disabled = 1; 205 bss->conf->mesh = MESH_ENABLED; 206 bss->conf->ap_max_inactivity = wpa_s->conf->mesh_max_inactivity; 207 bss->iconf = conf; 208 ifmsh->conf = conf; 209 210 ifmsh->bss[0]->max_plinks = wpa_s->conf->max_peer_links; 211 ifmsh->bss[0]->dot11RSNASAERetransPeriod = 212 wpa_s->conf->dot11RSNASAERetransPeriod; 213 os_strlcpy(bss->conf->iface, wpa_s->ifname, sizeof(bss->conf->iface)); 214 215 mconf = mesh_config_create(wpa_s, ssid); 216 if (!mconf) 217 goto out_free; 218 ifmsh->mconf = mconf; 219 220 /* need conf->hw_mode for supported rates. */ 221 conf->hw_mode = ieee80211_freq_to_chan(frequency, &conf->channel); 222 if (conf->hw_mode == NUM_HOSTAPD_MODES) { 223 wpa_printf(MSG_ERROR, "Unsupported mesh mode frequency: %d MHz", 224 frequency); 225 goto out_free; 226 } 227 if (ssid->ht40) 228 conf->secondary_channel = ssid->ht40; 229 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A && ssid->vht) { 230 conf->vht_oper_chwidth = ssid->max_oper_chwidth; 231 switch (conf->vht_oper_chwidth) { 232 case VHT_CHANWIDTH_80MHZ: 233 case VHT_CHANWIDTH_80P80MHZ: 234 ieee80211_freq_to_chan( 235 frequency, 236 &conf->vht_oper_centr_freq_seg0_idx); 237 conf->vht_oper_centr_freq_seg0_idx += ssid->ht40 * 2; 238 break; 239 case VHT_CHANWIDTH_160MHZ: 240 ieee80211_freq_to_chan( 241 frequency, 242 &conf->vht_oper_centr_freq_seg0_idx); 243 conf->vht_oper_centr_freq_seg0_idx += ssid->ht40 * 2; 244 conf->vht_oper_centr_freq_seg0_idx += 40 / 5; 245 break; 246 } 247 ieee80211_freq_to_chan(ssid->vht_center_freq2, 248 &conf->vht_oper_centr_freq_seg1_idx); 249 } 250 251 if (ssid->mesh_basic_rates == NULL) { 252 /* 253 * XXX: Hack! This is so an MPM which correctly sets the ERP 254 * mandatory rates as BSSBasicRateSet doesn't reject us. We 255 * could add a new hw_mode HOSTAPD_MODE_IEEE80211G_ERP, but 256 * this is way easier. This also makes our BSSBasicRateSet 257 * advertised in beacons match the one in peering frames, sigh. 258 */ 259 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G) { 260 conf->basic_rates = os_malloc(sizeof(basic_rates_erp)); 261 if (!conf->basic_rates) 262 goto out_free; 263 os_memcpy(conf->basic_rates, basic_rates_erp, 264 sizeof(basic_rates_erp)); 265 } 266 } else { 267 rate_len = 0; 268 while (1) { 269 if (ssid->mesh_basic_rates[rate_len] < 1) 270 break; 271 rate_len++; 272 } 273 conf->basic_rates = os_calloc(rate_len + 1, sizeof(int)); 274 if (conf->basic_rates == NULL) 275 goto out_free; 276 os_memcpy(conf->basic_rates, ssid->mesh_basic_rates, 277 rate_len * sizeof(int)); 278 conf->basic_rates[rate_len] = -1; 279 } 280 281 if (hostapd_setup_interface(ifmsh)) { 282 wpa_printf(MSG_ERROR, 283 "Failed to initialize hostapd interface for mesh"); 284 return -1; 285 } 286 287 if (wpa_drv_init_mesh(wpa_s)) { 288 wpa_msg(wpa_s, MSG_ERROR, "Failed to init mesh in driver"); 289 return -1; 290 } 291 292 if (mconf->security != MESH_CONF_SEC_NONE) { 293 if (ssid->passphrase == NULL) { 294 wpa_printf(MSG_ERROR, 295 "mesh: Passphrase for SAE not configured"); 296 goto out_free; 297 } 298 299 bss->conf->wpa = ssid->proto; 300 bss->conf->wpa_key_mgmt = ssid->key_mgmt; 301 302 if (wpa_s->conf->sae_groups && 303 wpa_s->conf->sae_groups[0] > 0) { 304 wpas_mesh_copy_groups(bss, wpa_s); 305 } else { 306 bss->conf->sae_groups = 307 os_malloc(sizeof(default_groups)); 308 if (!bss->conf->sae_groups) 309 goto out_free; 310 os_memcpy(bss->conf->sae_groups, default_groups, 311 sizeof(default_groups)); 312 } 313 314 len = os_strlen(ssid->passphrase); 315 bss->conf->ssid.wpa_passphrase = 316 dup_binstr(ssid->passphrase, len); 317 318 wpa_s->mesh_rsn = mesh_rsn_auth_init(wpa_s, mconf); 319 if (!wpa_s->mesh_rsn) 320 goto out_free; 321 } 322 323 wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf); 324 325 return 0; 326 out_free: 327 wpa_supplicant_mesh_deinit(wpa_s); 328 return -ENOMEM; 329 } 330 331 332 void wpa_mesh_notify_peer(struct wpa_supplicant *wpa_s, const u8 *addr, 333 const u8 *ies, size_t ie_len) 334 { 335 struct ieee802_11_elems elems; 336 337 wpa_msg(wpa_s, MSG_INFO, 338 "new peer notification for " MACSTR, MAC2STR(addr)); 339 340 if (ieee802_11_parse_elems(ies, ie_len, &elems, 0) == ParseFailed) { 341 wpa_msg(wpa_s, MSG_INFO, "Could not parse beacon from " MACSTR, 342 MAC2STR(addr)); 343 return; 344 } 345 wpa_mesh_new_mesh_peer(wpa_s, addr, &elems); 346 } 347 348 349 void wpa_supplicant_mesh_add_scan_ie(struct wpa_supplicant *wpa_s, 350 struct wpabuf **extra_ie) 351 { 352 /* EID + 0-length (wildcard) mesh-id */ 353 size_t ielen = 2; 354 355 if (wpabuf_resize(extra_ie, ielen) == 0) { 356 wpabuf_put_u8(*extra_ie, WLAN_EID_MESH_ID); 357 wpabuf_put_u8(*extra_ie, 0); 358 } 359 } 360 361 362 int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s, 363 struct wpa_ssid *ssid) 364 { 365 struct wpa_driver_mesh_join_params params; 366 int ret = 0; 367 368 if (!ssid || !ssid->ssid || !ssid->ssid_len || !ssid->frequency) { 369 ret = -ENOENT; 370 goto out; 371 } 372 373 wpa_supplicant_mesh_deinit(wpa_s); 374 375 wpa_s->pairwise_cipher = WPA_CIPHER_NONE; 376 wpa_s->group_cipher = WPA_CIPHER_NONE; 377 wpa_s->mgmt_group_cipher = 0; 378 379 os_memset(¶ms, 0, sizeof(params)); 380 params.meshid = ssid->ssid; 381 params.meshid_len = ssid->ssid_len; 382 ibss_mesh_setup_freq(wpa_s, ssid, ¶ms.freq); 383 wpa_s->mesh_ht_enabled = !!params.freq.ht_enabled; 384 wpa_s->mesh_vht_enabled = !!params.freq.vht_enabled; 385 if (params.freq.ht_enabled && params.freq.sec_channel_offset) 386 ssid->ht40 = params.freq.sec_channel_offset; 387 if (wpa_s->mesh_vht_enabled) { 388 ssid->vht = 1; 389 switch (params.freq.bandwidth) { 390 case 80: 391 if (params.freq.center_freq2) { 392 ssid->max_oper_chwidth = VHT_CHANWIDTH_80P80MHZ; 393 ssid->vht_center_freq2 = 394 params.freq.center_freq2; 395 } else { 396 ssid->max_oper_chwidth = VHT_CHANWIDTH_80MHZ; 397 } 398 break; 399 case 160: 400 ssid->max_oper_chwidth = VHT_CHANWIDTH_160MHZ; 401 break; 402 default: 403 ssid->max_oper_chwidth = VHT_CHANWIDTH_USE_HT; 404 break; 405 } 406 } 407 if (ssid->beacon_int > 0) 408 params.beacon_int = ssid->beacon_int; 409 else if (wpa_s->conf->beacon_int > 0) 410 params.beacon_int = wpa_s->conf->beacon_int; 411 if (ssid->dtim_period > 0) 412 params.dtim_period = ssid->dtim_period; 413 else if (wpa_s->conf->dtim_period > 0) 414 params.dtim_period = wpa_s->conf->dtim_period; 415 params.conf.max_peer_links = wpa_s->conf->max_peer_links; 416 417 if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) { 418 params.flags |= WPA_DRIVER_MESH_FLAG_SAE_AUTH; 419 params.flags |= WPA_DRIVER_MESH_FLAG_AMPE; 420 wpa_s->conf->user_mpm = 1; 421 } 422 423 if (wpa_s->conf->user_mpm) { 424 params.flags |= WPA_DRIVER_MESH_FLAG_USER_MPM; 425 params.conf.auto_plinks = 0; 426 } else { 427 params.flags |= WPA_DRIVER_MESH_FLAG_DRIVER_MPM; 428 params.conf.auto_plinks = 1; 429 } 430 params.conf.peer_link_timeout = wpa_s->conf->mesh_max_inactivity; 431 432 if (wpa_supplicant_mesh_init(wpa_s, ssid, ¶ms.freq)) { 433 wpa_msg(wpa_s, MSG_ERROR, "Failed to init mesh"); 434 wpa_drv_leave_mesh(wpa_s); 435 ret = -1; 436 goto out; 437 } 438 439 if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) { 440 wpa_s->pairwise_cipher = wpa_s->mesh_rsn->pairwise_cipher; 441 wpa_s->group_cipher = wpa_s->mesh_rsn->group_cipher; 442 wpa_s->mgmt_group_cipher = wpa_s->mesh_rsn->mgmt_group_cipher; 443 } 444 445 if (wpa_s->ifmsh) { 446 params.ies = wpa_s->ifmsh->mconf->rsn_ie; 447 params.ie_len = wpa_s->ifmsh->mconf->rsn_ie_len; 448 params.basic_rates = wpa_s->ifmsh->basic_rates; 449 params.conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE; 450 params.conf.ht_opmode = wpa_s->ifmsh->bss[0]->iface->ht_op_mode; 451 } 452 453 wpa_msg(wpa_s, MSG_INFO, "joining mesh %s", 454 wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); 455 ret = wpa_drv_join_mesh(wpa_s, ¶ms); 456 if (ret) 457 wpa_msg(wpa_s, MSG_ERROR, "mesh join error=%d", ret); 458 459 /* hostapd sets the interface down until we associate */ 460 wpa_drv_set_operstate(wpa_s, 1); 461 462 if (!ret) 463 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 464 465 out: 466 return ret; 467 } 468 469 470 int wpa_supplicant_leave_mesh(struct wpa_supplicant *wpa_s) 471 { 472 int ret = 0; 473 474 wpa_msg(wpa_s, MSG_INFO, "leaving mesh"); 475 476 /* Need to send peering close messages first */ 477 wpa_supplicant_mesh_deinit(wpa_s); 478 479 ret = wpa_drv_leave_mesh(wpa_s); 480 if (ret) 481 wpa_msg(wpa_s, MSG_ERROR, "mesh leave error=%d", ret); 482 483 wpa_drv_set_operstate(wpa_s, 1); 484 485 return ret; 486 } 487 488 489 static int mesh_attr_text(const u8 *ies, size_t ies_len, char *buf, char *end) 490 { 491 struct ieee802_11_elems elems; 492 char *mesh_id, *pos = buf; 493 u8 *bss_basic_rate_set; 494 int bss_basic_rate_set_len, ret, i; 495 496 if (ieee802_11_parse_elems(ies, ies_len, &elems, 0) == ParseFailed) 497 return -1; 498 499 if (elems.mesh_id_len < 1) 500 return 0; 501 502 mesh_id = os_malloc(elems.mesh_id_len + 1); 503 if (mesh_id == NULL) 504 return -1; 505 506 os_memcpy(mesh_id, elems.mesh_id, elems.mesh_id_len); 507 mesh_id[elems.mesh_id_len] = '\0'; 508 ret = os_snprintf(pos, end - pos, "mesh_id=%s\n", mesh_id); 509 os_free(mesh_id); 510 if (os_snprintf_error(end - pos, ret)) 511 return pos - buf; 512 pos += ret; 513 514 if (elems.mesh_config_len > 6) { 515 ret = os_snprintf(pos, end - pos, 516 "active_path_selection_protocol_id=0x%02x\n" 517 "active_path_selection_metric_id=0x%02x\n" 518 "congestion_control_mode_id=0x%02x\n" 519 "synchronization_method_id=0x%02x\n" 520 "authentication_protocol_id=0x%02x\n" 521 "mesh_formation_info=0x%02x\n" 522 "mesh_capability=0x%02x\n", 523 elems.mesh_config[0], elems.mesh_config[1], 524 elems.mesh_config[2], elems.mesh_config[3], 525 elems.mesh_config[4], elems.mesh_config[5], 526 elems.mesh_config[6]); 527 if (os_snprintf_error(end - pos, ret)) 528 return pos - buf; 529 pos += ret; 530 } 531 532 bss_basic_rate_set = os_malloc(elems.supp_rates_len + 533 elems.ext_supp_rates_len); 534 if (bss_basic_rate_set == NULL) 535 return -1; 536 537 bss_basic_rate_set_len = 0; 538 for (i = 0; i < elems.supp_rates_len; i++) { 539 if (elems.supp_rates[i] & 0x80) { 540 bss_basic_rate_set[bss_basic_rate_set_len++] = 541 (elems.supp_rates[i] & 0x7f) * 5; 542 } 543 } 544 for (i = 0; i < elems.ext_supp_rates_len; i++) { 545 if (elems.ext_supp_rates[i] & 0x80) { 546 bss_basic_rate_set[bss_basic_rate_set_len++] = 547 (elems.ext_supp_rates[i] & 0x7f) * 5; 548 } 549 } 550 if (bss_basic_rate_set_len > 0) { 551 ret = os_snprintf(pos, end - pos, "bss_basic_rate_set=%d", 552 bss_basic_rate_set[0]); 553 if (os_snprintf_error(end - pos, ret)) 554 goto fail; 555 pos += ret; 556 557 for (i = 1; i < bss_basic_rate_set_len; i++) { 558 ret = os_snprintf(pos, end - pos, " %d", 559 bss_basic_rate_set[i]); 560 if (os_snprintf_error(end - pos, ret)) 561 goto fail; 562 pos += ret; 563 } 564 565 ret = os_snprintf(pos, end - pos, "\n"); 566 if (os_snprintf_error(end - pos, ret)) 567 goto fail; 568 pos += ret; 569 } 570 fail: 571 os_free(bss_basic_rate_set); 572 573 return pos - buf; 574 } 575 576 577 int wpas_mesh_scan_result_text(const u8 *ies, size_t ies_len, char *buf, 578 char *end) 579 { 580 return mesh_attr_text(ies, ies_len, buf, end); 581 } 582 583 584 static int wpas_mesh_get_ifname(struct wpa_supplicant *wpa_s, char *ifname, 585 size_t len) 586 { 587 char *ifname_ptr = wpa_s->ifname; 588 int res; 589 590 res = os_snprintf(ifname, len, "mesh-%s-%d", ifname_ptr, 591 wpa_s->mesh_if_idx); 592 if (os_snprintf_error(len, res) || 593 (os_strlen(ifname) >= IFNAMSIZ && 594 os_strlen(wpa_s->ifname) < IFNAMSIZ)) { 595 /* Try to avoid going over the IFNAMSIZ length limit */ 596 res = os_snprintf(ifname, len, "mesh-%d", wpa_s->mesh_if_idx); 597 if (os_snprintf_error(len, res)) 598 return -1; 599 } 600 wpa_s->mesh_if_idx++; 601 return 0; 602 } 603 604 605 int wpas_mesh_add_interface(struct wpa_supplicant *wpa_s, char *ifname, 606 size_t len) 607 { 608 struct wpa_interface iface; 609 struct wpa_supplicant *mesh_wpa_s; 610 u8 addr[ETH_ALEN]; 611 612 if (ifname[0] == '\0' && wpas_mesh_get_ifname(wpa_s, ifname, len) < 0) 613 return -1; 614 615 if (wpa_drv_if_add(wpa_s, WPA_IF_MESH, ifname, NULL, NULL, NULL, addr, 616 NULL) < 0) { 617 wpa_printf(MSG_ERROR, 618 "mesh: Failed to create new mesh interface"); 619 return -1; 620 } 621 wpa_printf(MSG_INFO, "mesh: Created virtual interface %s addr " 622 MACSTR, ifname, MAC2STR(addr)); 623 624 os_memset(&iface, 0, sizeof(iface)); 625 iface.ifname = ifname; 626 iface.driver = wpa_s->driver->name; 627 iface.driver_param = wpa_s->conf->driver_param; 628 iface.ctrl_interface = wpa_s->conf->ctrl_interface; 629 630 mesh_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s); 631 if (!mesh_wpa_s) { 632 wpa_printf(MSG_ERROR, 633 "mesh: Failed to create new wpa_supplicant interface"); 634 wpa_drv_if_remove(wpa_s, WPA_IF_MESH, ifname); 635 return -1; 636 } 637 mesh_wpa_s->mesh_if_created = 1; 638 return 0; 639 } 640 641 642 int wpas_mesh_peer_remove(struct wpa_supplicant *wpa_s, const u8 *addr) 643 { 644 return mesh_mpm_close_peer(wpa_s, addr); 645 } 646 647 648 int wpas_mesh_peer_add(struct wpa_supplicant *wpa_s, const u8 *addr, 649 int duration) 650 { 651 return mesh_mpm_connect_peer(wpa_s, addr, duration); 652 } 653
