1 /* 2 * Wi-Fi Direct - P2P Invitation procedure 3 * Copyright (c) 2010, Atheros Communications 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #include "includes.h" 10 11 #include "common.h" 12 #include "common/ieee802_11_defs.h" 13 #include "p2p_i.h" 14 #include "p2p.h" 15 16 17 static struct wpabuf * p2p_build_invitation_req(struct p2p_data *p2p, 18 struct p2p_device *peer, 19 const u8 *go_dev_addr, 20 int dev_pw_id) 21 { 22 struct wpabuf *buf; 23 u8 *len; 24 const u8 *dev_addr; 25 size_t extra = 0; 26 27 #ifdef CONFIG_WIFI_DISPLAY 28 struct wpabuf *wfd_ie = p2p->wfd_ie_invitation; 29 if (wfd_ie && p2p->inv_role == P2P_INVITE_ROLE_ACTIVE_GO) { 30 size_t i; 31 for (i = 0; i < p2p->num_groups; i++) { 32 struct p2p_group *g = p2p->groups[i]; 33 struct wpabuf *ie; 34 if (os_memcmp(p2p_group_get_interface_addr(g), 35 p2p->inv_bssid, ETH_ALEN) != 0) 36 continue; 37 ie = p2p_group_get_wfd_ie(g); 38 if (ie) { 39 wfd_ie = ie; 40 break; 41 } 42 } 43 } 44 if (wfd_ie) 45 extra = wpabuf_len(wfd_ie); 46 #endif /* CONFIG_WIFI_DISPLAY */ 47 48 buf = wpabuf_alloc(1000 + extra); 49 if (buf == NULL) 50 return NULL; 51 52 peer->dialog_token++; 53 if (peer->dialog_token == 0) 54 peer->dialog_token = 1; 55 p2p_buf_add_public_action_hdr(buf, P2P_INVITATION_REQ, 56 peer->dialog_token); 57 58 len = p2p_buf_add_ie_hdr(buf); 59 if (p2p->inv_role == P2P_INVITE_ROLE_ACTIVE_GO || !p2p->inv_persistent) 60 p2p_buf_add_config_timeout(buf, 0, 0); 61 else 62 p2p_buf_add_config_timeout(buf, p2p->go_timeout, 63 p2p->client_timeout); 64 p2p_buf_add_invitation_flags(buf, p2p->inv_persistent ? 65 P2P_INVITATION_FLAGS_TYPE : 0); 66 if (p2p->inv_role != P2P_INVITE_ROLE_CLIENT || 67 !(peer->flags & P2P_DEV_NO_PREF_CHAN)) 68 p2p_buf_add_operating_channel(buf, p2p->cfg->country, 69 p2p->op_reg_class, 70 p2p->op_channel); 71 if (p2p->inv_bssid_set) 72 p2p_buf_add_group_bssid(buf, p2p->inv_bssid); 73 p2p_buf_add_channel_list(buf, p2p->cfg->country, &p2p->channels); 74 if (go_dev_addr) 75 dev_addr = go_dev_addr; 76 else if (p2p->inv_role == P2P_INVITE_ROLE_CLIENT) 77 dev_addr = peer->info.p2p_device_addr; 78 else 79 dev_addr = p2p->cfg->dev_addr; 80 p2p_buf_add_group_id(buf, dev_addr, p2p->inv_ssid, p2p->inv_ssid_len); 81 p2p_buf_add_device_info(buf, p2p, peer); 82 p2p_buf_update_ie_hdr(buf, len); 83 84 #ifdef CONFIG_WIFI_DISPLAY 85 if (wfd_ie) 86 wpabuf_put_buf(buf, wfd_ie); 87 #endif /* CONFIG_WIFI_DISPLAY */ 88 89 if (dev_pw_id >= 0) { 90 /* WSC IE in Invitation Request for NFC static handover */ 91 p2p_build_wps_ie(p2p, buf, dev_pw_id, 0); 92 } 93 94 return buf; 95 } 96 97 98 static struct wpabuf * p2p_build_invitation_resp(struct p2p_data *p2p, 99 struct p2p_device *peer, 100 u8 dialog_token, u8 status, 101 const u8 *group_bssid, 102 u8 reg_class, u8 channel, 103 struct p2p_channels *channels) 104 { 105 struct wpabuf *buf; 106 u8 *len; 107 size_t extra = 0; 108 109 #ifdef CONFIG_WIFI_DISPLAY 110 struct wpabuf *wfd_ie = p2p->wfd_ie_invitation; 111 if (wfd_ie && group_bssid) { 112 size_t i; 113 for (i = 0; i < p2p->num_groups; i++) { 114 struct p2p_group *g = p2p->groups[i]; 115 struct wpabuf *ie; 116 if (os_memcmp(p2p_group_get_interface_addr(g), 117 group_bssid, ETH_ALEN) != 0) 118 continue; 119 ie = p2p_group_get_wfd_ie(g); 120 if (ie) { 121 wfd_ie = ie; 122 break; 123 } 124 } 125 } 126 if (wfd_ie) 127 extra = wpabuf_len(wfd_ie); 128 #endif /* CONFIG_WIFI_DISPLAY */ 129 130 buf = wpabuf_alloc(1000 + extra); 131 if (buf == NULL) 132 return NULL; 133 134 p2p_buf_add_public_action_hdr(buf, P2P_INVITATION_RESP, 135 dialog_token); 136 137 len = p2p_buf_add_ie_hdr(buf); 138 p2p_buf_add_status(buf, status); 139 p2p_buf_add_config_timeout(buf, 0, 0); /* FIX */ 140 if (reg_class && channel) 141 p2p_buf_add_operating_channel(buf, p2p->cfg->country, 142 reg_class, channel); 143 if (group_bssid) 144 p2p_buf_add_group_bssid(buf, group_bssid); 145 if (channels) 146 p2p_buf_add_channel_list(buf, p2p->cfg->country, channels); 147 p2p_buf_update_ie_hdr(buf, len); 148 149 #ifdef CONFIG_WIFI_DISPLAY 150 if (wfd_ie) 151 wpabuf_put_buf(buf, wfd_ie); 152 #endif /* CONFIG_WIFI_DISPLAY */ 153 154 return buf; 155 } 156 157 158 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 159 const u8 *data, size_t len, int rx_freq) 160 { 161 struct p2p_device *dev; 162 struct p2p_message msg; 163 struct wpabuf *resp = NULL; 164 u8 status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; 165 int freq; 166 int go = 0; 167 u8 group_bssid[ETH_ALEN], *bssid; 168 int op_freq = 0; 169 u8 reg_class = 0, channel = 0; 170 struct p2p_channels intersection, *channels = NULL; 171 int persistent; 172 173 os_memset(group_bssid, 0, sizeof(group_bssid)); 174 175 p2p_dbg(p2p, "Received Invitation Request from " MACSTR " (freq=%d)", 176 MAC2STR(sa), rx_freq); 177 178 if (p2p_parse(data, len, &msg)) 179 return; 180 181 dev = p2p_get_device(p2p, sa); 182 if (dev == NULL || (dev->flags & P2P_DEV_PROBE_REQ_ONLY)) { 183 p2p_dbg(p2p, "Invitation Request from unknown peer " MACSTR, 184 MAC2STR(sa)); 185 186 if (p2p_add_device(p2p, sa, rx_freq, NULL, 0, data + 1, len - 1, 187 0)) { 188 p2p_dbg(p2p, "Invitation Request add device failed " 189 MACSTR, MAC2STR(sa)); 190 status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; 191 goto fail; 192 } 193 194 dev = p2p_get_device(p2p, sa); 195 if (dev == NULL) { 196 p2p_dbg(p2p, "Reject Invitation Request from unknown peer " 197 MACSTR, MAC2STR(sa)); 198 status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE; 199 goto fail; 200 } 201 } 202 203 if (!msg.group_id || !msg.channel_list) { 204 p2p_dbg(p2p, "Mandatory attribute missing in Invitation Request from " 205 MACSTR, MAC2STR(sa)); 206 status = P2P_SC_FAIL_INVALID_PARAMS; 207 goto fail; 208 } 209 210 if (msg.invitation_flags) 211 persistent = *msg.invitation_flags & P2P_INVITATION_FLAGS_TYPE; 212 else { 213 /* Invitation Flags is a mandatory attribute starting from P2P 214 * spec 1.06. As a backwards compatibility mechanism, assume 215 * the request was for a persistent group if the attribute is 216 * missing. 217 */ 218 p2p_dbg(p2p, "Mandatory Invitation Flags attribute missing from Invitation Request"); 219 persistent = 1; 220 } 221 222 if (p2p_peer_channels_check(p2p, &p2p->cfg->channels, dev, 223 msg.channel_list, msg.channel_list_len) < 224 0) { 225 p2p_dbg(p2p, "No common channels found"); 226 status = P2P_SC_FAIL_NO_COMMON_CHANNELS; 227 goto fail; 228 } 229 230 p2p_channels_intersect(&p2p->cfg->channels, &dev->channels, 231 &intersection); 232 233 if (p2p->cfg->invitation_process) { 234 status = p2p->cfg->invitation_process( 235 p2p->cfg->cb_ctx, sa, msg.group_bssid, msg.group_id, 236 msg.group_id + ETH_ALEN, msg.group_id_len - ETH_ALEN, 237 &go, group_bssid, &op_freq, persistent, &intersection, 238 msg.dev_password_id_present ? msg.dev_password_id : -1); 239 } 240 241 if (op_freq) { 242 p2p_dbg(p2p, "Invitation processing forced frequency %d MHz", 243 op_freq); 244 if (p2p_freq_to_channel(op_freq, ®_class, &channel) < 0) { 245 p2p_dbg(p2p, "Unknown forced freq %d MHz from invitation_process()", 246 op_freq); 247 status = P2P_SC_FAIL_NO_COMMON_CHANNELS; 248 goto fail; 249 } 250 251 if (!p2p_channels_includes(&intersection, reg_class, channel)) 252 { 253 p2p_dbg(p2p, "forced freq %d MHz not in the supported channels interaction", 254 op_freq); 255 status = P2P_SC_FAIL_NO_COMMON_CHANNELS; 256 goto fail; 257 } 258 259 if (status == P2P_SC_SUCCESS) 260 channels = &intersection; 261 } else { 262 p2p_dbg(p2p, "No forced channel from invitation processing - figure out best one to use"); 263 264 /* Default to own configuration as a starting point */ 265 p2p->op_reg_class = p2p->cfg->op_reg_class; 266 p2p->op_channel = p2p->cfg->op_channel; 267 p2p_dbg(p2p, "Own default op_class %d channel %d", 268 p2p->op_reg_class, p2p->op_channel); 269 270 /* Use peer preference if specified and compatible */ 271 if (msg.operating_channel) { 272 int req_freq; 273 req_freq = p2p_channel_to_freq( 274 msg.operating_channel[3], 275 msg.operating_channel[4]); 276 p2p_dbg(p2p, "Peer operating channel preference: %d MHz", 277 req_freq); 278 if (req_freq > 0 && 279 p2p_channels_includes(&intersection, 280 msg.operating_channel[3], 281 msg.operating_channel[4])) { 282 p2p->op_reg_class = msg.operating_channel[3]; 283 p2p->op_channel = msg.operating_channel[4]; 284 p2p_dbg(p2p, "Use peer preference op_class %d channel %d", 285 p2p->op_reg_class, p2p->op_channel); 286 } else { 287 p2p_dbg(p2p, "Cannot use peer channel preference"); 288 } 289 } 290 291 if (!p2p_channels_includes(&intersection, p2p->op_reg_class, 292 p2p->op_channel)) { 293 p2p_dbg(p2p, "Initially selected channel (op_class %d channel %d) not in channel intersection - try to reselect", 294 p2p->op_reg_class, p2p->op_channel); 295 p2p_reselect_channel(p2p, &intersection); 296 p2p_dbg(p2p, "Re-selection result: op_class %d channel %d", 297 p2p->op_reg_class, p2p->op_channel); 298 if (!p2p_channels_includes(&intersection, 299 p2p->op_reg_class, 300 p2p->op_channel)) { 301 p2p_dbg(p2p, "Peer does not support selected operating channel (reg_class=%u channel=%u)", 302 p2p->op_reg_class, p2p->op_channel); 303 status = P2P_SC_FAIL_NO_COMMON_CHANNELS; 304 goto fail; 305 } 306 } else if (!(dev->flags & P2P_DEV_FORCE_FREQ) && 307 !p2p->cfg->cfg_op_channel) { 308 p2p_dbg(p2p, "Try to reselect channel selection with peer information received; previously selected op_class %u channel %u", 309 p2p->op_reg_class, p2p->op_channel); 310 p2p_reselect_channel(p2p, &intersection); 311 } 312 313 op_freq = p2p_channel_to_freq(p2p->op_reg_class, 314 p2p->op_channel); 315 if (op_freq < 0) { 316 p2p_dbg(p2p, "Unknown operational channel (country=%c%c reg_class=%u channel=%u)", 317 p2p->cfg->country[0], p2p->cfg->country[1], 318 p2p->op_reg_class, p2p->op_channel); 319 status = P2P_SC_FAIL_NO_COMMON_CHANNELS; 320 goto fail; 321 } 322 p2p_dbg(p2p, "Selected operating channel - %d MHz", op_freq); 323 324 if (status == P2P_SC_SUCCESS) { 325 reg_class = p2p->op_reg_class; 326 channel = p2p->op_channel; 327 channels = &intersection; 328 } 329 } 330 331 fail: 332 if (go && status == P2P_SC_SUCCESS && !is_zero_ether_addr(group_bssid)) 333 bssid = group_bssid; 334 else 335 bssid = NULL; 336 resp = p2p_build_invitation_resp(p2p, dev, msg.dialog_token, status, 337 bssid, reg_class, channel, channels); 338 339 if (resp == NULL) 340 goto out; 341 342 if (rx_freq > 0) 343 freq = rx_freq; 344 else 345 freq = p2p_channel_to_freq(p2p->cfg->reg_class, 346 p2p->cfg->channel); 347 if (freq < 0) { 348 p2p_dbg(p2p, "Unknown regulatory class/channel"); 349 goto out; 350 } 351 352 /* 353 * Store copy of invitation data to be used when processing TX status 354 * callback for the Acton frame. 355 */ 356 os_memcpy(p2p->inv_sa, sa, ETH_ALEN); 357 if (msg.group_bssid) { 358 os_memcpy(p2p->inv_group_bssid, msg.group_bssid, ETH_ALEN); 359 p2p->inv_group_bssid_ptr = p2p->inv_group_bssid; 360 } else 361 p2p->inv_group_bssid_ptr = NULL; 362 if (msg.group_id_len - ETH_ALEN <= 32) { 363 os_memcpy(p2p->inv_ssid, msg.group_id + ETH_ALEN, 364 msg.group_id_len - ETH_ALEN); 365 p2p->inv_ssid_len = msg.group_id_len - ETH_ALEN; 366 } 367 os_memcpy(p2p->inv_go_dev_addr, msg.group_id, ETH_ALEN); 368 p2p->inv_status = status; 369 p2p->inv_op_freq = op_freq; 370 371 p2p->pending_action_state = P2P_PENDING_INVITATION_RESPONSE; 372 if (p2p_send_action(p2p, freq, sa, p2p->cfg->dev_addr, 373 p2p->cfg->dev_addr, 374 wpabuf_head(resp), wpabuf_len(resp), 200) < 0) { 375 p2p_dbg(p2p, "Failed to send Action frame"); 376 } 377 378 out: 379 wpabuf_free(resp); 380 p2p_parse_free(&msg); 381 } 382 383 384 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 385 const u8 *data, size_t len) 386 { 387 struct p2p_device *dev; 388 struct p2p_message msg; 389 struct p2p_channels intersection, *channels = NULL; 390 391 p2p_dbg(p2p, "Received Invitation Response from " MACSTR, 392 MAC2STR(sa)); 393 394 dev = p2p_get_device(p2p, sa); 395 if (dev == NULL) { 396 p2p_dbg(p2p, "Ignore Invitation Response from unknown peer " 397 MACSTR, MAC2STR(sa)); 398 return; 399 } 400 401 if (dev != p2p->invite_peer) { 402 p2p_dbg(p2p, "Ignore unexpected Invitation Response from peer " 403 MACSTR, MAC2STR(sa)); 404 return; 405 } 406 407 if (p2p_parse(data, len, &msg)) 408 return; 409 410 if (!msg.status) { 411 p2p_dbg(p2p, "Mandatory Status attribute missing in Invitation Response from " 412 MACSTR, MAC2STR(sa)); 413 p2p_parse_free(&msg); 414 return; 415 } 416 417 if (!msg.channel_list && *msg.status == P2P_SC_SUCCESS) { 418 p2p_dbg(p2p, "Mandatory Channel List attribute missing in Invitation Response from " 419 MACSTR, MAC2STR(sa)); 420 #ifdef CONFIG_P2P_STRICT 421 p2p_parse_free(&msg); 422 return; 423 #endif /* CONFIG_P2P_STRICT */ 424 /* Try to survive without peer channel list */ 425 channels = &p2p->channels; 426 } else if (!msg.channel_list) { 427 /* Non-success cases are not required to include Channel List */ 428 channels = &p2p->channels; 429 } else if (p2p_peer_channels_check(p2p, &p2p->channels, dev, 430 msg.channel_list, 431 msg.channel_list_len) < 0) { 432 p2p_dbg(p2p, "No common channels found"); 433 p2p_parse_free(&msg); 434 return; 435 } else { 436 p2p_channels_intersect(&p2p->channels, &dev->channels, 437 &intersection); 438 channels = &intersection; 439 } 440 441 if (p2p->cfg->invitation_result) { 442 int freq = p2p_channel_to_freq(p2p->op_reg_class, 443 p2p->op_channel); 444 if (freq < 0) 445 freq = 0; 446 p2p->cfg->invitation_result(p2p->cfg->cb_ctx, *msg.status, 447 msg.group_bssid, channels, sa, 448 freq); 449 } 450 451 p2p_parse_free(&msg); 452 453 p2p_clear_timeout(p2p); 454 p2p_set_state(p2p, P2P_IDLE); 455 p2p->invite_peer = NULL; 456 } 457 458 459 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 460 const u8 *go_dev_addr, int dev_pw_id) 461 { 462 struct wpabuf *req; 463 int freq; 464 465 freq = dev->listen_freq > 0 ? dev->listen_freq : dev->oper_freq; 466 if (freq <= 0) 467 freq = dev->oob_go_neg_freq; 468 if (freq <= 0) { 469 p2p_dbg(p2p, "No Listen/Operating frequency known for the peer " 470 MACSTR " to send Invitation Request", 471 MAC2STR(dev->info.p2p_device_addr)); 472 return -1; 473 } 474 475 req = p2p_build_invitation_req(p2p, dev, go_dev_addr, dev_pw_id); 476 if (req == NULL) 477 return -1; 478 if (p2p->state != P2P_IDLE) 479 p2p_stop_listen_for_freq(p2p, freq); 480 p2p_dbg(p2p, "Sending Invitation Request"); 481 p2p_set_state(p2p, P2P_INVITE); 482 p2p->pending_action_state = P2P_PENDING_INVITATION_REQUEST; 483 p2p->invite_peer = dev; 484 dev->invitation_reqs++; 485 if (p2p_send_action(p2p, freq, dev->info.p2p_device_addr, 486 p2p->cfg->dev_addr, dev->info.p2p_device_addr, 487 wpabuf_head(req), wpabuf_len(req), 500) < 0) { 488 p2p_dbg(p2p, "Failed to send Action frame"); 489 /* Use P2P find to recover and retry */ 490 p2p_set_timeout(p2p, 0, 0); 491 } 492 493 wpabuf_free(req); 494 495 return 0; 496 } 497 498 499 void p2p_invitation_req_cb(struct p2p_data *p2p, int success) 500 { 501 p2p_dbg(p2p, "Invitation Request TX callback: success=%d", success); 502 503 if (p2p->invite_peer == NULL) { 504 p2p_dbg(p2p, "No pending Invite"); 505 return; 506 } 507 508 /* 509 * Use P2P find, if needed, to find the other device from its listen 510 * channel. 511 */ 512 p2p_set_state(p2p, P2P_INVITE); 513 p2p_set_timeout(p2p, 0, success ? 500000 : 100000); 514 } 515 516 517 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success) 518 { 519 p2p_dbg(p2p, "Invitation Response TX callback: success=%d", success); 520 p2p->cfg->send_action_done(p2p->cfg->cb_ctx); 521 522 if (!success) 523 p2p_dbg(p2p, "Assume Invitation Response was actually received by the peer even though Ack was not reported"); 524 525 if (p2p->cfg->invitation_received) { 526 p2p->cfg->invitation_received(p2p->cfg->cb_ctx, 527 p2p->inv_sa, 528 p2p->inv_group_bssid_ptr, 529 p2p->inv_ssid, p2p->inv_ssid_len, 530 p2p->inv_go_dev_addr, 531 p2p->inv_status, 532 p2p->inv_op_freq); 533 } 534 } 535 536 537 int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role, 538 const u8 *bssid, const u8 *ssid, size_t ssid_len, 539 unsigned int force_freq, const u8 *go_dev_addr, 540 int persistent_group, unsigned int pref_freq, int dev_pw_id) 541 { 542 struct p2p_device *dev; 543 544 p2p_dbg(p2p, "Request to invite peer " MACSTR " role=%d persistent=%d " 545 "force_freq=%u", 546 MAC2STR(peer), role, persistent_group, force_freq); 547 if (bssid) 548 p2p_dbg(p2p, "Invitation for BSSID " MACSTR, MAC2STR(bssid)); 549 if (go_dev_addr) { 550 p2p_dbg(p2p, "Invitation for GO Device Address " MACSTR, 551 MAC2STR(go_dev_addr)); 552 os_memcpy(p2p->invite_go_dev_addr_buf, go_dev_addr, ETH_ALEN); 553 p2p->invite_go_dev_addr = p2p->invite_go_dev_addr_buf; 554 } else 555 p2p->invite_go_dev_addr = NULL; 556 wpa_hexdump_ascii(MSG_DEBUG, "Invitation for SSID", 557 ssid, ssid_len); 558 if (dev_pw_id >= 0) { 559 p2p_dbg(p2p, "Invitation to use Device Password ID %d", 560 dev_pw_id); 561 } 562 p2p->invite_dev_pw_id = dev_pw_id; 563 564 dev = p2p_get_device(p2p, peer); 565 if (dev == NULL || (dev->listen_freq <= 0 && dev->oper_freq <= 0 && 566 dev->oob_go_neg_freq <= 0)) { 567 p2p_dbg(p2p, "Cannot invite unknown P2P Device " MACSTR, 568 MAC2STR(peer)); 569 return -1; 570 } 571 572 if (p2p_prepare_channel(p2p, dev, force_freq, pref_freq, 573 role != P2P_INVITE_ROLE_CLIENT) < 0) 574 return -1; 575 576 if (persistent_group && role == P2P_INVITE_ROLE_CLIENT && !force_freq && 577 !pref_freq) 578 dev->flags |= P2P_DEV_NO_PREF_CHAN; 579 else 580 dev->flags &= ~P2P_DEV_NO_PREF_CHAN; 581 582 if (dev->flags & P2P_DEV_GROUP_CLIENT_ONLY) { 583 if (!(dev->info.dev_capab & 584 P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY)) { 585 p2p_dbg(p2p, "Cannot invite a P2P Device " MACSTR 586 " that is in a group and is not discoverable", 587 MAC2STR(peer)); 588 } 589 /* TODO: use device discoverability request through GO */ 590 } 591 592 dev->invitation_reqs = 0; 593 594 if (p2p->state != P2P_IDLE) 595 p2p_stop_find(p2p); 596 597 p2p->inv_role = role; 598 p2p->inv_bssid_set = bssid != NULL; 599 if (bssid) 600 os_memcpy(p2p->inv_bssid, bssid, ETH_ALEN); 601 os_memcpy(p2p->inv_ssid, ssid, ssid_len); 602 p2p->inv_ssid_len = ssid_len; 603 p2p->inv_persistent = persistent_group; 604 return p2p_invite_send(p2p, dev, go_dev_addr, dev_pw_id); 605 } 606