3 * Copyright (c) 2009-2010, Atheros Communications
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
19 #include "common/ieee802_11_common.h"
20 #include "common/ieee802_11_defs.h"
21 #include "common/wpa_ctrl.h"
22 #include "wps/wps_i.h"
24 #include "ap/hostapd.h"
25 #include "ap/p2p_hostapd.h"
26 #include "wpa_supplicant_i.h"
29 #include "config_ssid.h"
35 #include "wps_supplicant.h"
36 #include "p2p_supplicant.h"
39 static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx);
40 static struct wpa_supplicant *
41 wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
43 static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s);
44 static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx);
45 static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
46 const u8 *dev_addr, enum p2p_wps_method wps_method);
47 static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s);
48 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s);
51 static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s,
52 struct wpa_scan_results *scan_res)
56 if (wpa_s->global->p2p_disabled)
59 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS)",
62 for (i = 0; i < scan_res->num; i++) {
63 struct wpa_scan_res *bss = scan_res->res[i];
64 if (p2p_scan_res_handler(wpa_s->global->p2p, bss->bssid,
65 bss->freq, bss->level,
66 (const u8 *) (bss + 1),
71 p2p_scan_res_handled(wpa_s->global->p2p);
75 static int wpas_p2p_scan(void *ctx, enum p2p_scan_type type, int freq)
77 struct wpa_supplicant *wpa_s = ctx;
78 struct wpa_driver_scan_params params;
80 struct wpabuf *wps_ie, *ies;
81 int social_channels[] = { 2412, 2437, 2462, 0, 0 };
83 os_memset(¶ms, 0, sizeof(params));
85 /* P2P Wildcard SSID */
87 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
88 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
90 wpa_s->wps->dev.p2p = 1;
91 wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
96 ies = wpabuf_alloc(wpabuf_len(wps_ie) + 100);
101 wpabuf_put_buf(ies, wps_ie);
104 p2p_scan_ie(wpa_s->global->p2p, ies);
106 params.extra_ies = wpabuf_head(ies);
107 params.extra_ies_len = wpabuf_len(ies);
110 case P2P_SCAN_SOCIAL:
111 params.freqs = social_channels;
115 case P2P_SCAN_SPECIFIC:
116 social_channels[0] = freq;
117 social_channels[1] = 0;
118 params.freqs = social_channels;
120 case P2P_SCAN_SOCIAL_PLUS_ONE:
121 social_channels[3] = freq;
122 params.freqs = social_channels;
126 wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
127 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
128 ret = ieee80211_sta_req_scan(wpa_s, ¶ms);
130 ret = wpa_drv_scan(wpa_s, ¶ms);
138 #ifdef CONFIG_CLIENT_MLME
139 static void p2p_rx_action_mlme(void *ctx, const u8 *buf, size_t len, int freq)
141 struct wpa_supplicant *wpa_s = ctx;
142 const struct ieee80211_mgmt *mgmt;
145 if (wpa_s->global->p2p_disabled)
147 mgmt = (const struct ieee80211_mgmt *) buf;
148 hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
151 p2p_rx_action(wpa_s->global->p2p, mgmt->da, mgmt->sa, mgmt->bssid,
152 mgmt->u.action.category,
153 &mgmt->u.action.u.vs_public_action.action,
154 len - hdr_len, freq);
156 #endif /* CONFIG_CLIENT_MLME */
159 static enum wpa_driver_if_type wpas_p2p_if_type(int p2p_group_interface)
161 switch (p2p_group_interface) {
162 case P2P_GROUP_INTERFACE_PENDING:
163 return WPA_IF_P2P_GROUP;
164 case P2P_GROUP_INTERFACE_GO:
165 return WPA_IF_P2P_GO;
166 case P2P_GROUP_INTERFACE_CLIENT:
167 return WPA_IF_P2P_CLIENT;
170 return WPA_IF_P2P_GROUP;
174 static void wpas_p2p_group_delete(struct wpa_supplicant *wpa_s)
176 struct wpa_ssid *ssid;
179 ssid = wpa_s->current_ssid;
182 * The current SSID was not known, but there may still be a
183 * pending P2P group interface waiting for provisioning.
185 ssid = wpa_s->conf->ssid;
187 if (ssid->p2p_group &&
188 (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
189 (ssid->key_mgmt & WPA_KEY_MGMT_WPS)))
194 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO)
196 else if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
197 (ssid && ssid->mode == WPAS_MODE_INFRA)) {
198 wpa_s->reassociate = 0;
199 wpa_s->disconnected = 1;
200 wpa_supplicant_deauthenticate(wpa_s,
201 WLAN_REASON_DEAUTH_LEAVING);
205 if (wpa_s->cross_connect_in_use) {
206 wpa_s->cross_connect_in_use = 0;
207 wpa_msg(wpa_s->parent, MSG_INFO,
208 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
209 wpa_s->ifname, wpa_s->cross_connect_uplink);
211 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_REMOVED "%s %s",
212 wpa_s->ifname, gtype);
213 if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
214 struct wpa_global *global;
216 enum wpa_driver_if_type type;
217 wpa_printf(MSG_DEBUG, "P2P: Remove group interface %s",
219 global = wpa_s->global;
220 ifname = os_strdup(wpa_s->ifname);
221 type = wpas_p2p_if_type(wpa_s->p2p_group_interface);
222 wpa_supplicant_remove_iface(wpa_s->global, wpa_s);
223 wpa_s = global->ifaces;
225 wpa_drv_if_remove(wpa_s, type, ifname);
230 wpa_printf(MSG_DEBUG, "P2P: Remove temporary group network");
231 if (ssid && (ssid->p2p_group ||
232 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION ||
233 (ssid->key_mgmt & WPA_KEY_MGMT_WPS))) {
235 if (ssid == wpa_s->current_ssid)
236 wpa_s->current_ssid = NULL;
237 wpas_notify_network_removed(wpa_s, ssid);
238 wpa_config_remove_network(wpa_s->conf, id);
239 wpa_supplicant_clear_status(wpa_s);
241 wpa_printf(MSG_DEBUG, "P2P: Temporary group network not "
244 wpa_supplicant_ap_deinit(wpa_s);
248 static int wpas_p2p_persistent_group(struct wpa_supplicant *wpa_s,
250 const u8 *ssid, size_t ssid_len)
258 if (wpa_s->go_params)
259 bssid = wpa_s->go_params->peer_interface_addr;
261 bssid = wpa_s->bssid;
263 bss = wpa_bss_get(wpa_s, bssid, ssid, ssid_len);
265 u8 iface_addr[ETH_ALEN];
266 if (p2p_get_interface_addr(wpa_s->global->p2p, bssid,
268 bss = wpa_bss_get(wpa_s, iface_addr, ssid, ssid_len);
271 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
272 "group is persistent - BSS " MACSTR " not found",
277 p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
279 wpa_printf(MSG_DEBUG, "P2P: Could not figure out whether "
280 "group is persistent - BSS " MACSTR
281 " did not include P2P IE", MAC2STR(bssid));
282 wpa_hexdump(MSG_DEBUG, "P2P: Probe Response IEs",
283 (u8 *) (bss + 1), bss->ie_len);
284 wpa_hexdump(MSG_DEBUG, "P2P: Beacon IEs",
285 ((u8 *) bss + 1) + bss->ie_len,
290 group_capab = p2p_get_group_capab(p2p);
291 addr = p2p_get_go_dev_addr(p2p);
292 wpa_printf(MSG_DEBUG, "P2P: Checking whether group is persistent: "
293 "group_capab=0x%x", group_capab);
295 os_memcpy(go_dev_addr, addr, ETH_ALEN);
296 wpa_printf(MSG_DEBUG, "P2P: GO Device Address " MACSTR,
299 os_memset(go_dev_addr, 0, ETH_ALEN);
302 wpa_printf(MSG_DEBUG, "P2P: BSS " MACSTR " group_capab=0x%x "
303 "go_dev_addr=" MACSTR,
304 MAC2STR(bssid), group_capab, MAC2STR(go_dev_addr));
306 return group_capab & P2P_GROUP_CAPAB_PERSISTENT_GROUP;
310 static void wpas_p2p_store_persistent_group(struct wpa_supplicant *wpa_s,
311 struct wpa_ssid *ssid,
312 const u8 *go_dev_addr)
317 wpa_printf(MSG_DEBUG, "P2P: Storing credentials for a persistent "
318 "group (GO Dev Addr " MACSTR ")", MAC2STR(go_dev_addr));
319 for (s = wpa_s->conf->ssid; s; s = s->next) {
320 if (s->disabled == 2 &&
321 os_memcmp(go_dev_addr, s->bssid, ETH_ALEN) == 0 &&
322 s->ssid_len == ssid->ssid_len &&
323 os_memcmp(ssid->ssid, s->ssid, ssid->ssid_len) == 0)
328 wpa_printf(MSG_DEBUG, "P2P: Update existing persistent group "
330 if (ssid->passphrase && !s->passphrase)
332 else if (ssid->passphrase && s->passphrase &&
333 os_strcmp(ssid->passphrase, s->passphrase) != 0)
336 wpa_printf(MSG_DEBUG, "P2P: Create a new persistent group "
339 s = wpa_config_add_network(wpa_s->conf);
342 wpa_config_set_network_defaults(s);
346 s->p2p_persistent_group = 1;
349 os_memcpy(s->bssid, go_dev_addr, ETH_ALEN);
350 s->mode = ssid->mode;
351 s->auth_alg = WPA_AUTH_ALG_OPEN;
352 s->key_mgmt = WPA_KEY_MGMT_PSK;
353 s->proto = WPA_PROTO_RSN;
354 s->pairwise_cipher = WPA_CIPHER_CCMP;
355 if (ssid->passphrase) {
356 os_free(s->passphrase);
357 s->passphrase = os_strdup(ssid->passphrase);
361 os_memcpy(s->psk, ssid->psk, 32);
363 if (s->passphrase && !s->psk_set)
364 wpa_config_update_psk(s);
365 if (s->ssid == NULL || s->ssid_len < ssid->ssid_len) {
367 s->ssid = os_malloc(ssid->ssid_len);
370 s->ssid_len = ssid->ssid_len;
371 os_memcpy(s->ssid, ssid->ssid, s->ssid_len);
374 #ifndef CONFIG_NO_CONFIG_WRITE
375 if (changed && wpa_s->conf->update_config &&
376 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
377 wpa_printf(MSG_DEBUG, "P2P: Failed to update configuration");
379 #endif /* CONFIG_NO_CONFIG_WRITE */
383 static void wpas_group_formation_completed(struct wpa_supplicant *wpa_s,
386 struct wpa_ssid *ssid;
387 const char *ssid_txt;
390 u8 go_dev_addr[ETH_ALEN];
393 * This callback is likely called for the main interface. Update wpa_s
394 * to use the group interface if a new interface was created for the
397 if (wpa_s->global->p2p_group_formation)
398 wpa_s = wpa_s->global->p2p_group_formation;
399 wpa_s->p2p_in_provisioning = 0;
402 wpa_msg(wpa_s->parent, MSG_INFO,
403 P2P_EVENT_GROUP_FORMATION_FAILURE);
404 wpas_p2p_group_delete(wpa_s);
408 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_FORMATION_SUCCESS);
410 ssid = wpa_s->current_ssid;
411 if (ssid && ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
412 ssid->mode = WPAS_MODE_P2P_GO;
413 p2p_group_notif_formation_done(wpa_s->p2p_group);
414 wpa_supplicant_ap_mac_addr_filter(wpa_s, NULL);
419 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
420 client = ssid->mode == WPAS_MODE_INFRA;
421 if (ssid->mode == WPAS_MODE_P2P_GO) {
422 persistent = ssid->p2p_persistent_group;
423 os_memcpy(go_dev_addr, wpa_s->parent->own_addr,
426 persistent = wpas_p2p_persistent_group(wpa_s,
432 client = wpa_s->p2p_group_interface ==
433 P2P_GROUP_INTERFACE_CLIENT;
436 wpa_s->show_group_started = 0;
439 * Indicate event only after successfully completed 4-way
440 * handshake, i.e., when the interface is ready for data
443 wpa_s->show_group_started = 1;
444 } else if (ssid && ssid->passphrase == NULL && ssid->psk_set) {
446 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
447 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
448 "%s GO ssid=\"%s\" freq=%d psk=%s go_dev_addr=" MACSTR
450 wpa_s->ifname, ssid_txt, ssid->frequency, psk,
451 MAC2STR(go_dev_addr),
452 persistent ? " [PERSISTENT]" : "");
453 wpas_p2p_cross_connect_setup(wpa_s);
455 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
456 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
457 "go_dev_addr=" MACSTR "%s",
458 wpa_s->ifname, ssid_txt, ssid->frequency,
459 ssid && ssid->passphrase ? ssid->passphrase : "",
460 MAC2STR(go_dev_addr),
461 persistent ? " [PERSISTENT]" : "");
462 wpas_p2p_cross_connect_setup(wpa_s);
466 wpas_p2p_store_persistent_group(wpa_s->parent, ssid,
471 static void wpas_send_action_cb(void *eloop_ctx, void *timeout_ctx)
473 struct wpa_supplicant *wpa_s = eloop_ctx;
474 struct wpa_supplicant *iface;
478 without_roc = wpa_s->pending_action_without_roc;
479 wpa_s->pending_action_without_roc = 0;
480 wpa_printf(MSG_DEBUG, "P2P: Send Action callback (without_roc=%d "
481 "pending_action_tx=%p)",
482 without_roc, wpa_s->pending_action_tx);
484 if (wpa_s->pending_action_tx == NULL)
487 if (wpa_s->off_channel_freq != wpa_s->pending_action_freq &&
488 wpa_s->pending_action_freq != 0) {
489 wpa_printf(MSG_DEBUG, "P2P: Pending Action frame TX "
490 "waiting for another freq=%u (off_channel_freq=%u)",
491 wpa_s->pending_action_freq,
492 wpa_s->off_channel_freq);
493 if (without_roc && wpa_s->off_channel_freq == 0) {
495 * We may get here if wpas_send_action() found us to be
496 * on the correct channel, but remain-on-channel cancel
497 * event was received before getting here.
499 wpa_printf(MSG_DEBUG, "P2P: Schedule "
500 "remain-on-channel to send Action frame");
501 if (wpa_drv_remain_on_channel(
502 wpa_s, wpa_s->pending_action_freq, 200) <
504 wpa_printf(MSG_DEBUG, "P2P: Failed to request "
505 "driver to remain on channel (%u "
506 "MHz) for Action Frame TX",
507 wpa_s->pending_action_freq);
509 wpa_s->roc_waiting_drv_freq =
510 wpa_s->pending_action_freq;
516 * This call is likely going to be on the P2P device instance if the
517 * driver uses a separate interface for that purpose. However, some
518 * Action frames are actually sent within a P2P Group and when that is
519 * the case, we need to follow power saving (e.g., GO buffering the
520 * frame for a client in PS mode or a client following the advertised
521 * NoA from its GO). To make that easier for the driver, select the
522 * correct group interface here.
524 if (os_memcmp(wpa_s->pending_action_src, wpa_s->own_addr, ETH_ALEN) !=
527 * Try to find a group interface that matches with the source
530 iface = wpa_s->global->ifaces;
532 if (os_memcmp(wpa_s->pending_action_src,
533 iface->own_addr, ETH_ALEN) == 0)
538 wpa_printf(MSG_DEBUG, "P2P: Use group interface %s "
539 "instead of interface %s for Action TX",
540 iface->ifname, wpa_s->ifname);
546 wpa_printf(MSG_DEBUG, "P2P: Sending pending Action frame to "
547 MACSTR " using interface %s",
548 MAC2STR(wpa_s->pending_action_dst), iface->ifname);
549 res = wpa_drv_send_action(iface, wpa_s->pending_action_freq,
550 wpa_s->pending_action_dst,
551 wpa_s->pending_action_src,
552 wpa_s->pending_action_bssid,
553 wpabuf_head(wpa_s->pending_action_tx),
554 wpabuf_len(wpa_s->pending_action_tx));
556 wpa_printf(MSG_DEBUG, "P2P: Failed to send the pending "
559 * Use fake TX status event to allow P2P state machine to
562 wpas_send_action_tx_status(
563 wpa_s, wpa_s->pending_action_dst,
564 wpabuf_head(wpa_s->pending_action_tx),
565 wpabuf_len(wpa_s->pending_action_tx), 0);
570 void wpas_send_action_tx_status(struct wpa_supplicant *wpa_s, const u8 *dst,
571 const u8 *data, size_t data_len, int ack)
573 if (wpa_s->global->p2p_disabled)
576 if (wpa_s->pending_action_tx == NULL) {
577 wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - no "
578 "pending operation");
582 if (os_memcmp(dst, wpa_s->pending_action_dst, ETH_ALEN) != 0) {
583 wpa_printf(MSG_DEBUG, "P2P: Ignore Action TX status - unknown "
584 "destination address");
588 wpabuf_free(wpa_s->pending_action_tx);
589 wpa_s->pending_action_tx = NULL;
591 p2p_send_action_cb(wpa_s->global->p2p, wpa_s->pending_action_freq,
592 wpa_s->pending_action_dst,
593 wpa_s->pending_action_src,
594 wpa_s->pending_action_bssid,
597 if (wpa_s->pending_pd_before_join &&
598 (os_memcmp(wpa_s->pending_action_dst, wpa_s->pending_join_dev_addr,
600 os_memcmp(wpa_s->pending_action_dst,
601 wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
602 wpa_s->pending_pd_before_join = 0;
603 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
604 "join-existing-group operation");
605 wpas_p2p_join_start(wpa_s);
610 static int wpas_send_action(void *ctx, unsigned int freq, const u8 *dst,
611 const u8 *src, const u8 *bssid, const u8 *buf,
612 size_t len, unsigned int wait_time)
614 struct wpa_supplicant *wpa_s = ctx;
616 wpa_printf(MSG_DEBUG, "P2P: Send action frame: freq=%d dst=" MACSTR
617 " src=" MACSTR " bssid=" MACSTR " len=%d",
618 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
621 if (wpa_s->pending_action_tx) {
622 wpa_printf(MSG_DEBUG, "P2P: Dropped pending Action frame TX "
623 "to " MACSTR, MAC2STR(wpa_s->pending_action_dst));
624 wpabuf_free(wpa_s->pending_action_tx);
626 wpa_s->pending_action_tx = wpabuf_alloc(len);
627 if (wpa_s->pending_action_tx == NULL) {
628 wpa_printf(MSG_DEBUG, "P2P: Failed to allocate Action frame "
629 "TX buffer (len=%llu)", (unsigned long long) len);
632 wpabuf_put_data(wpa_s->pending_action_tx, buf, len);
633 os_memcpy(wpa_s->pending_action_src, src, ETH_ALEN);
634 os_memcpy(wpa_s->pending_action_dst, dst, ETH_ALEN);
635 os_memcpy(wpa_s->pending_action_bssid, bssid, ETH_ALEN);
636 wpa_s->pending_action_freq = freq;
638 if (wpa_s->off_channel_freq == freq || freq == 0) {
639 wpa_printf(MSG_DEBUG, "P2P: Already on requested channel; "
640 "send Action frame immediately");
641 /* TODO: Would there ever be need to extend the current
642 * duration on the channel? */
643 wpa_s->pending_action_without_roc = 1;
644 eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
645 eloop_register_timeout(0, 0, wpas_send_action_cb, wpa_s, NULL);
648 wpa_s->pending_action_without_roc = 0;
650 if (wpa_s->roc_waiting_drv_freq == freq) {
651 wpa_printf(MSG_DEBUG, "P2P: Already waiting for driver to get "
652 "to frequency %u MHz; continue waiting to send the "
653 "Action frame", freq);
657 wpa_printf(MSG_DEBUG, "P2P: Schedule Action frame to be transmitted "
658 "once the driver gets to the requested channel");
659 if (wait_time > wpa_s->max_remain_on_chan)
660 wait_time = wpa_s->max_remain_on_chan;
661 if (wpa_drv_remain_on_channel(wpa_s, freq, wait_time) < 0) {
662 wpa_printf(MSG_DEBUG, "P2P: Failed to request driver "
663 "to remain on channel (%u MHz) for Action "
667 wpa_s->roc_waiting_drv_freq = freq;
673 static void wpas_send_action_done(void *ctx)
675 struct wpa_supplicant *wpa_s = ctx;
676 wpa_printf(MSG_DEBUG, "P2P: Action frame sequence done notification");
677 wpabuf_free(wpa_s->pending_action_tx);
678 wpa_s->pending_action_tx = NULL;
679 if (wpa_s->off_channel_freq) {
680 wpa_drv_cancel_remain_on_channel(wpa_s);
681 wpa_s->off_channel_freq = 0;
682 wpa_s->roc_waiting_drv_freq = 0;
687 static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s,
688 struct p2p_go_neg_results *params)
690 if (wpa_s->go_params == NULL) {
691 wpa_s->go_params = os_malloc(sizeof(*params));
692 if (wpa_s->go_params == NULL)
695 os_memcpy(wpa_s->go_params, params, sizeof(*params));
700 static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
701 struct p2p_go_neg_results *res)
703 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
704 res->ssid, res->ssid_len);
705 wpa_supplicant_ap_deinit(wpa_s);
706 wpas_copy_go_neg_results(wpa_s, res);
707 if (res->wps_method == WPS_PBC)
708 wpas_wps_start_pbc(wpa_s, NULL /* res->peer_interface_addr */,
711 u16 dev_pw_id = DEV_PW_DEFAULT;
712 if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
713 dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
714 wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
715 wpa_s->p2p_pin, 1, dev_pw_id);
720 static void p2p_go_configured(void *ctx, void *data)
722 struct wpa_supplicant *wpa_s = ctx;
723 struct p2p_go_neg_results *params = data;
724 struct wpa_ssid *ssid;
726 ssid = wpa_s->current_ssid;
727 if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
728 wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
729 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
730 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
731 "go_dev_addr=" MACSTR "%s",
733 wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
735 params->passphrase ? params->passphrase : "",
736 MAC2STR(wpa_s->parent->own_addr),
737 params->persistent_group ? " [PERSISTENT]" : "");
738 if (params->persistent_group)
739 wpas_p2p_store_persistent_group(
741 wpa_s->parent->own_addr);
742 wpas_p2p_cross_connect_setup(wpa_s);
746 wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning");
747 if (wpa_supplicant_ap_mac_addr_filter(wpa_s,
748 params->peer_interface_addr)) {
749 wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address "
753 if (params->wps_method == WPS_PBC)
754 wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr);
755 else if (wpa_s->p2p_pin[0])
756 wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
757 wpa_s->p2p_pin, NULL, 0);
758 os_free(wpa_s->go_params);
759 wpa_s->go_params = NULL;
763 static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
764 struct p2p_go_neg_results *params,
767 struct wpa_ssid *ssid;
769 if (wpas_copy_go_neg_results(wpa_s, params) < 0)
772 ssid = wpa_config_add_network(wpa_s->conf);
776 wpa_config_set_network_defaults(ssid);
779 ssid->p2p_persistent_group = params->persistent_group;
780 ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
782 ssid->frequency = params->freq;
783 ssid->ssid = os_zalloc(params->ssid_len + 1);
785 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
786 ssid->ssid_len = params->ssid_len;
788 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
789 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
790 ssid->proto = WPA_PROTO_RSN;
791 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
792 ssid->passphrase = os_strdup(params->passphrase);
794 wpa_s->ap_configured_cb = p2p_go_configured;
795 wpa_s->ap_configured_cb_ctx = wpa_s;
796 wpa_s->ap_configured_cb_data = wpa_s->go_params;
797 wpa_s->connect_without_scan = 1;
798 wpa_s->reassociate = 1;
799 wpa_s->disconnected = 0;
800 wpa_supplicant_req_scan(wpa_s, 0, 0);
804 static void wpas_p2p_clone_config(struct wpa_supplicant *dst,
805 const struct wpa_supplicant *src)
807 struct wpa_config *d;
808 const struct wpa_config *s;
813 #define C(n) if (s->n) d->n = os_strdup(s->n)
825 static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
826 enum wpa_driver_if_type type)
828 char ifname[120], force_ifname[120];
830 if (wpa_s->pending_interface_name[0]) {
831 wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists "
832 "- skip creation of a new one");
833 if (is_zero_ether_addr(wpa_s->pending_interface_addr)) {
834 wpa_printf(MSG_DEBUG, "P2P: Pending virtual address "
835 "unknown?! ifname='%s'",
836 wpa_s->pending_interface_name);
842 os_snprintf(ifname, sizeof(ifname), "%s-p2p-%d", wpa_s->ifname,
843 wpa_s->p2p_group_idx);
844 force_ifname[0] = '\0';
846 wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group",
848 wpa_s->p2p_group_idx++;
850 wpa_s->pending_interface_type = type;
851 if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname,
852 wpa_s->pending_interface_addr) < 0) {
853 wpa_printf(MSG_ERROR, "P2P: Failed to create new group "
858 if (force_ifname[0]) {
859 wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s",
861 os_strlcpy(wpa_s->pending_interface_name, force_ifname,
862 sizeof(wpa_s->pending_interface_name));
864 os_strlcpy(wpa_s->pending_interface_name, ifname,
865 sizeof(wpa_s->pending_interface_name));
866 wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr "
867 MACSTR, wpa_s->pending_interface_name,
868 MAC2STR(wpa_s->pending_interface_addr));
874 static void wpas_p2p_remove_pending_group_interface(
875 struct wpa_supplicant *wpa_s)
877 if (!wpa_s->pending_interface_name[0] ||
878 is_zero_ether_addr(wpa_s->pending_interface_addr))
879 return; /* No pending virtual interface */
881 wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s",
882 wpa_s->pending_interface_name);
883 wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type,
884 wpa_s->pending_interface_name);
885 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
886 wpa_s->pending_interface_name[0] = '\0';
890 static struct wpa_supplicant *
891 wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go)
893 struct wpa_interface iface;
894 struct wpa_supplicant *group_wpa_s;
896 if (!wpa_s->pending_interface_name[0]) {
897 wpa_printf(MSG_ERROR, "P2P: No pending group interface");
901 os_memset(&iface, 0, sizeof(iface));
902 iface.ifname = wpa_s->pending_interface_name;
903 iface.driver = wpa_s->driver->name;
904 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
905 iface.driver_param = wpa_s->conf->driver_param;
906 group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface);
907 if (group_wpa_s == NULL) {
908 wpa_printf(MSG_ERROR, "P2P: Failed to create new "
909 "wpa_supplicant interface");
912 wpa_s->pending_interface_name[0] = '\0';
913 group_wpa_s->parent = wpa_s;
914 group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
915 P2P_GROUP_INTERFACE_CLIENT;
916 wpa_s->global->p2p_group_formation = group_wpa_s;
918 wpas_p2p_clone_config(group_wpa_s, wpa_s);
924 static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
927 struct wpa_supplicant *wpa_s = eloop_ctx;
928 wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
929 if (wpa_s->global->p2p)
930 p2p_group_formation_failed(wpa_s->global->p2p);
931 wpas_group_formation_completed(wpa_s, 0);
935 void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
937 struct wpa_supplicant *wpa_s = ctx;
939 if (wpa_s->off_channel_freq) {
940 wpa_drv_cancel_remain_on_channel(wpa_s);
941 wpa_s->off_channel_freq = 0;
942 wpa_s->roc_waiting_drv_freq = 0;
946 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_FAILURE "status=%d",
948 wpas_p2p_remove_pending_group_interface(wpa_s);
952 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS);
954 if (wpa_s->create_p2p_iface) {
955 struct wpa_supplicant *group_wpa_s =
956 wpas_p2p_init_group_interface(wpa_s, res->role_go);
957 if (group_wpa_s == NULL) {
958 wpas_p2p_remove_pending_group_interface(wpa_s);
961 if (group_wpa_s != wpa_s) {
962 os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
963 sizeof(group_wpa_s->p2p_pin));
964 group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
966 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
967 wpa_s->pending_interface_name[0] = '\0';
968 group_wpa_s->p2p_in_provisioning = 1;
971 wpas_start_wps_go(group_wpa_s, res, 1);
973 wpas_start_wps_enrollee(group_wpa_s, res);
975 wpa_s->p2p_in_provisioning = 1;
976 wpa_s->global->p2p_group_formation = wpa_s;
979 wpas_start_wps_go(wpa_s, res, 1);
981 wpas_start_wps_enrollee(ctx, res);
984 wpa_s->p2p_long_listen = 0;
985 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
987 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
988 eloop_register_timeout(15 + res->peer_config_timeout / 100,
989 (res->peer_config_timeout % 100) * 10000,
990 wpas_p2p_group_formation_timeout, wpa_s, NULL);
994 void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
996 struct wpa_supplicant *wpa_s = ctx;
997 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
998 " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id);
1002 void wpas_dev_found(void *ctx, const u8 *addr, const u8 *dev_addr,
1003 const u8 *pri_dev_type, const char *dev_name,
1004 u16 config_methods, u8 dev_capab, u8 group_capab)
1006 struct wpa_supplicant *wpa_s = ctx;
1007 char devtype[WPS_DEV_TYPE_BUFSIZE];
1008 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
1009 " p2p_dev_addr=" MACSTR
1010 " pri_dev_type=%s name='%s' config_methods=0x%x "
1011 "dev_capab=0x%x group_capab=0x%x",
1012 MAC2STR(addr), MAC2STR(dev_addr),
1013 wps_dev_type_bin2str(pri_dev_type, devtype, sizeof(devtype)),
1014 dev_name, config_methods, dev_capab, group_capab);
1018 static int wpas_start_listen(void *ctx, unsigned int freq,
1019 unsigned int duration,
1020 const struct wpabuf *probe_resp_ie)
1022 struct wpa_supplicant *wpa_s = ctx;
1024 wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie);
1026 if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
1027 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
1028 "report received Probe Request frames");
1032 wpa_s->pending_listen_freq = freq;
1033 wpa_s->pending_listen_duration = duration;
1035 if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) {
1036 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
1037 "to remain on channel (%u MHz) for Listen "
1039 wpa_s->pending_listen_freq = 0;
1042 wpa_s->roc_waiting_drv_freq = freq;
1048 static void wpas_stop_listen(void *ctx)
1050 struct wpa_supplicant *wpa_s = ctx;
1051 if (wpa_s->off_channel_freq) {
1052 wpa_drv_cancel_remain_on_channel(wpa_s);
1053 wpa_s->off_channel_freq = 0;
1054 wpa_s->roc_waiting_drv_freq = 0;
1056 wpa_drv_probe_req_report(wpa_s, 0);
1060 static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf)
1062 struct wpa_supplicant *wpa_s = ctx;
1063 return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf));
1067 static struct p2p_srv_bonjour *
1068 wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
1069 const struct wpabuf *query)
1071 struct p2p_srv_bonjour *bsrv;
1074 len = wpabuf_len(query);
1075 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1076 struct p2p_srv_bonjour, list) {
1077 if (len == wpabuf_len(bsrv->query) &&
1078 os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query),
1086 static struct p2p_srv_upnp *
1087 wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version,
1088 const char *service)
1090 struct p2p_srv_upnp *usrv;
1092 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1093 struct p2p_srv_upnp, list) {
1094 if (version == usrv->version &&
1095 os_strcmp(service, usrv->service) == 0)
1102 static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto,
1107 if (wpabuf_tailroom(resp) < 5)
1110 /* Length (to be filled) */
1111 len_pos = wpabuf_put(resp, 2);
1112 wpabuf_put_u8(resp, srv_proto);
1113 wpabuf_put_u8(resp, srv_trans_id);
1115 wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE);
1116 /* Response Data: empty */
1117 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1121 static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s,
1122 struct wpabuf *resp, u8 srv_trans_id)
1124 struct p2p_srv_bonjour *bsrv;
1127 wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services");
1129 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1130 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1134 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1135 struct p2p_srv_bonjour, list) {
1136 if (wpabuf_tailroom(resp) <
1137 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp))
1139 /* Length (to be filled) */
1140 len_pos = wpabuf_put(resp, 2);
1141 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1142 wpabuf_put_u8(resp, srv_trans_id);
1144 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1145 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1146 wpabuf_head(bsrv->resp),
1147 wpabuf_len(bsrv->resp));
1149 wpabuf_put_buf(resp, bsrv->query); /* Key */
1150 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1151 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1157 static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s,
1158 struct wpabuf *resp, u8 srv_trans_id,
1159 const u8 *query, size_t query_len)
1161 struct p2p_srv_bonjour *bsrv;
1165 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour",
1167 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1168 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1169 wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR,
1174 if (query_len == 0) {
1175 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1179 if (wpabuf_tailroom(resp) < 5)
1181 /* Length (to be filled) */
1182 len_pos = wpabuf_put(resp, 2);
1183 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1184 wpabuf_put_u8(resp, srv_trans_id);
1186 wpabuf_set(&buf, query, query_len);
1187 bsrv = wpas_p2p_service_get_bonjour(wpa_s, &buf);
1189 wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
1193 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
1194 /* Response Data: empty */
1195 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1201 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1202 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1203 wpabuf_head(bsrv->resp), wpabuf_len(bsrv->resp));
1205 if (wpabuf_tailroom(resp) >=
1206 wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) {
1208 wpabuf_put_buf(resp, bsrv->query); /* Key */
1209 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1211 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1215 static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s,
1216 struct wpabuf *resp, u8 srv_trans_id)
1218 struct p2p_srv_upnp *usrv;
1221 wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services");
1223 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1224 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1228 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1229 struct p2p_srv_upnp, list) {
1230 if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service))
1233 /* Length (to be filled) */
1234 len_pos = wpabuf_put(resp, 2);
1235 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1236 wpabuf_put_u8(resp, srv_trans_id);
1239 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1241 wpabuf_put_u8(resp, usrv->version);
1242 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1244 wpabuf_put_str(resp, usrv->service);
1245 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1251 static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s,
1252 struct wpabuf *resp, u8 srv_trans_id,
1253 const u8 *query, size_t query_len)
1255 struct p2p_srv_upnp *usrv;
1261 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP",
1264 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1265 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1266 wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP,
1271 if (query_len == 0) {
1272 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1277 str = os_malloc(query_len);
1280 os_memcpy(str, query + 1, query_len - 1);
1281 str[query_len - 1] = '\0';
1283 if (wpabuf_tailroom(resp) < 5)
1286 /* Length (to be filled) */
1287 len_pos = wpabuf_put(resp, 2);
1288 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1289 wpabuf_put_u8(resp, srv_trans_id);
1291 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1292 struct p2p_srv_upnp, list) {
1293 if (version != usrv->version)
1296 if (os_strcmp(str, "ssdp:all") != 0 &&
1297 os_strstr(usrv->service, str) == NULL)
1300 if (wpabuf_tailroom(resp) < 2)
1304 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1306 wpabuf_put_u8(resp, version);
1308 wpabuf_put_u8(resp, ',');
1312 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1314 if (wpabuf_tailroom(resp) < os_strlen(usrv->service))
1316 wpabuf_put_str(resp, usrv->service);
1320 wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not "
1323 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
1324 /* Response Data: empty */
1327 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1331 void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
1332 u16 update_indic, const u8 *tlvs, size_t tlvs_len)
1334 struct wpa_supplicant *wpa_s = ctx;
1335 const u8 *pos = tlvs;
1336 const u8 *end = tlvs + tlvs_len;
1339 struct wpabuf *resp;
1340 u8 srv_proto, srv_trans_id;
1344 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs",
1346 buf_len = 2 * tlvs_len + 1;
1347 buf = os_malloc(buf_len);
1349 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1350 wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d "
1352 freq, MAC2STR(sa), dialog_token, update_indic,
1357 if (wpa_s->p2p_sd_over_ctrl_iface)
1358 return; /* to be processed by an external program */
1360 resp = wpabuf_alloc(10000);
1364 while (pos + 1 < end) {
1365 wpa_printf(MSG_DEBUG, "P2P: Service Request TLV");
1366 slen = WPA_GET_LE16(pos);
1368 if (pos + slen > end || slen < 2) {
1369 wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data "
1374 tlv_end = pos + slen;
1377 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1379 srv_trans_id = *pos++;
1380 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1383 wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data",
1384 pos, tlv_end - pos);
1387 if (wpa_s->force_long_sd) {
1388 wpa_printf(MSG_DEBUG, "P2P: SD test - force long "
1390 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1391 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1395 switch (srv_proto) {
1396 case P2P_SERV_ALL_SERVICES:
1397 wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request "
1398 "for all services");
1399 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) &&
1400 dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1401 wpa_printf(MSG_DEBUG, "P2P: No service "
1402 "discovery protocols available");
1403 wpas_sd_add_proto_not_avail(
1404 resp, P2P_SERV_ALL_SERVICES,
1408 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1409 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1411 case P2P_SERV_BONJOUR:
1412 wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id,
1413 pos, tlv_end - pos);
1416 wpas_sd_req_upnp(wpa_s, resp, srv_trans_id,
1417 pos, tlv_end - pos);
1420 wpa_printf(MSG_DEBUG, "P2P: Unavailable service "
1421 "protocol %u", srv_proto);
1422 wpas_sd_add_proto_not_avail(resp, srv_proto,
1431 wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp);
1437 void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic,
1438 const u8 *tlvs, size_t tlvs_len)
1440 struct wpa_supplicant *wpa_s = ctx;
1441 const u8 *pos = tlvs;
1442 const u8 *end = tlvs + tlvs_len;
1448 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs",
1450 if (tlvs_len > 1500) {
1451 /* TODO: better way for handling this */
1452 wpa_msg_ctrl(wpa_s, MSG_INFO,
1453 P2P_EVENT_SERV_DISC_RESP MACSTR
1454 " %u <long response: %u bytes>",
1455 MAC2STR(sa), update_indic,
1456 (unsigned int) tlvs_len);
1458 buf_len = 2 * tlvs_len + 1;
1459 buf = os_malloc(buf_len);
1461 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1462 wpa_msg_ctrl(wpa_s, MSG_INFO,
1463 P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s",
1464 MAC2STR(sa), update_indic, buf);
1470 u8 srv_proto, srv_trans_id, status;
1472 wpa_printf(MSG_DEBUG, "P2P: Service Response TLV");
1473 slen = WPA_GET_LE16(pos);
1475 if (pos + slen > end || slen < 3) {
1476 wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data "
1480 tlv_end = pos + slen;
1483 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1485 srv_trans_id = *pos++;
1486 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1489 wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u",
1492 wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data",
1493 pos, tlv_end - pos);
1500 void * wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst,
1501 const struct wpabuf *tlvs)
1503 return p2p_sd_request(wpa_s->global->p2p, dst, tlvs);
1507 void * wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
1508 u8 version, const char *query)
1510 struct wpabuf *tlvs;
1513 tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query));
1516 wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query));
1517 wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */
1518 wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */
1519 wpabuf_put_u8(tlvs, version);
1520 wpabuf_put_str(tlvs, query);
1521 ret = wpas_p2p_sd_request(wpa_s, dst, tlvs);
1527 int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, void *req)
1529 return p2p_sd_cancel_request(wpa_s->global->p2p, req);
1533 void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq,
1534 const u8 *dst, u8 dialog_token,
1535 const struct wpabuf *resp_tlvs)
1537 p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token,
1542 void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s)
1544 p2p_sd_service_update(wpa_s->global->p2p);
1548 static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv)
1550 dl_list_del(&bsrv->list);
1551 wpabuf_free(bsrv->query);
1552 wpabuf_free(bsrv->resp);
1557 static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv)
1559 dl_list_del(&usrv->list);
1560 os_free(usrv->service);
1565 void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
1567 struct p2p_srv_bonjour *bsrv, *bn;
1568 struct p2p_srv_upnp *usrv, *un;
1570 dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour,
1571 struct p2p_srv_bonjour, list)
1572 wpas_p2p_srv_bonjour_free(bsrv);
1574 dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp,
1575 struct p2p_srv_upnp, list)
1576 wpas_p2p_srv_upnp_free(usrv);
1578 wpas_p2p_sd_service_update(wpa_s);
1582 int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
1583 struct wpabuf *query, struct wpabuf *resp)
1585 struct p2p_srv_bonjour *bsrv;
1587 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1590 wpabuf_free(bsrv->resp);
1595 bsrv = os_zalloc(sizeof(*bsrv));
1598 bsrv->query = query;
1600 dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list);
1602 wpas_p2p_sd_service_update(wpa_s);
1607 int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
1608 const struct wpabuf *query)
1610 struct p2p_srv_bonjour *bsrv;
1612 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1615 wpas_p2p_srv_bonjour_free(bsrv);
1616 wpas_p2p_sd_service_update(wpa_s);
1621 int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
1622 const char *service)
1624 struct p2p_srv_upnp *usrv;
1626 if (wpas_p2p_service_get_upnp(wpa_s, version, service))
1627 return 0; /* Already listed */
1628 usrv = os_zalloc(sizeof(*usrv));
1631 usrv->version = version;
1632 usrv->service = os_strdup(service);
1633 if (usrv->service == NULL) {
1637 dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list);
1639 wpas_p2p_sd_service_update(wpa_s);
1644 int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
1645 const char *service)
1647 struct p2p_srv_upnp *usrv;
1649 usrv = wpas_p2p_service_get_upnp(wpa_s, version, service);
1652 wpas_p2p_srv_upnp_free(usrv);
1653 wpas_p2p_sd_service_update(wpa_s);
1658 static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
1659 const u8 *peer, const char *params)
1661 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR " %08d%s",
1662 MAC2STR(peer), wps_generate_pin(), params);
1666 static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
1667 const u8 *peer, const char *params)
1669 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR "%s",
1670 MAC2STR(peer), params);
1674 void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
1675 const u8 *dev_addr, const u8 *pri_dev_type,
1676 const char *dev_name, u16 supp_config_methods,
1677 u8 dev_capab, u8 group_capab)
1679 struct wpa_supplicant *wpa_s = ctx;
1680 char devtype[WPS_DEV_TYPE_BUFSIZE];
1682 u8 empty_dev_type[8];
1684 if (pri_dev_type == NULL) {
1685 os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
1686 pri_dev_type = empty_dev_type;
1688 os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
1689 " pri_dev_type=%s name='%s' config_methods=0x%x "
1690 "dev_capab=0x%x group_capab=0x%x",
1692 wps_dev_type_bin2str(pri_dev_type, devtype,
1694 dev_name, supp_config_methods, dev_capab, group_capab);
1695 params[sizeof(params) - 1] = '\0';
1697 if (config_methods & WPS_CONFIG_DISPLAY)
1698 wpas_prov_disc_local_display(wpa_s, peer, params);
1699 else if (config_methods & WPS_CONFIG_KEYPAD)
1700 wpas_prov_disc_local_keypad(wpa_s, peer, params);
1701 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
1702 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ MACSTR
1703 "%s", MAC2STR(peer), params);
1707 void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
1709 struct wpa_supplicant *wpa_s = ctx;
1710 if (config_methods & WPS_CONFIG_DISPLAY)
1711 wpas_prov_disc_local_keypad(wpa_s, peer, "");
1712 else if (config_methods & WPS_CONFIG_KEYPAD)
1713 wpas_prov_disc_local_display(wpa_s, peer, "");
1714 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
1715 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR,
1718 if (wpa_s->pending_pd_before_join &&
1719 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
1720 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
1721 wpa_s->pending_pd_before_join = 0;
1722 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
1723 "join-existing-group operation");
1724 wpas_p2p_join_start(wpa_s);
1729 static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
1730 const u8 *go_dev_addr, const u8 *ssid,
1731 size_t ssid_len, int *go, u8 *group_bssid,
1732 int *force_freq, int persistent_group)
1734 struct wpa_supplicant *wpa_s = ctx;
1736 u8 cur_bssid[ETH_ALEN];
1739 if (!persistent_group) {
1740 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1741 " to join an active group", MAC2STR(sa));
1742 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
1743 (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
1745 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
1746 wpa_printf(MSG_DEBUG, "P2P: Accept previously "
1747 "authorized invitation");
1751 * Do not accept the invitation automatically; notify user and
1754 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1757 if (!wpa_s->conf->persistent_reconnect)
1758 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1760 for (s = wpa_s->conf->ssid; s; s = s->next) {
1761 if (s->disabled == 2 &&
1762 os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
1763 s->ssid_len == ssid_len &&
1764 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1769 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1770 " requested reinvocation of an unknown group",
1772 return P2P_SC_FAIL_UNKNOWN_GROUP;
1775 if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
1777 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1778 wpa_printf(MSG_DEBUG, "P2P: The only available "
1779 "interface is already in use - reject "
1781 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1783 os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
1784 } else if (s->mode == WPAS_MODE_P2P_GO) {
1786 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
1788 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
1789 "interface address for the group");
1790 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1792 os_memcpy(group_bssid, wpa_s->pending_interface_addr,
1797 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, cur_bssid) == 0 &&
1798 wpa_s->assoc_freq) {
1799 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1800 "the channel we are already using");
1801 *force_freq = wpa_s->assoc_freq;
1804 res = wpa_drv_shared_freq(wpa_s);
1806 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1807 "with the channel we are already using on a "
1808 "shared interface");
1812 return P2P_SC_SUCCESS;
1816 static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
1817 const u8 *ssid, size_t ssid_len,
1818 const u8 *go_dev_addr, u8 status,
1821 struct wpa_supplicant *wpa_s = ctx;
1824 for (s = wpa_s->conf->ssid; s; s = s->next) {
1825 if (s->disabled == 2 &&
1826 s->ssid_len == ssid_len &&
1827 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1831 if (status == P2P_SC_SUCCESS) {
1832 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
1833 " was accepted; op_freq=%d MHz",
1834 MAC2STR(sa), op_freq);
1836 wpas_p2p_group_add_persistent(
1837 wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0);
1839 wpas_p2p_join(wpa_s, bssid, go_dev_addr,
1840 wpa_s->p2p_wps_method);
1845 if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
1846 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
1847 " was rejected (status %u)", MAC2STR(sa), status);
1853 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
1854 "sa=" MACSTR " go_dev_addr=" MACSTR
1855 " bssid=" MACSTR " unknown-network",
1856 MAC2STR(sa), MAC2STR(go_dev_addr),
1859 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
1860 "sa=" MACSTR " go_dev_addr=" MACSTR
1862 MAC2STR(sa), MAC2STR(go_dev_addr));
1867 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED "sa=" MACSTR
1868 " persistent=%d", MAC2STR(sa), s->id);
1872 static void wpas_invitation_result(void *ctx, int status, const u8 *bssid)
1874 struct wpa_supplicant *wpa_s = ctx;
1875 struct wpa_ssid *ssid;
1878 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
1879 "status=%d " MACSTR,
1880 status, MAC2STR(bssid));
1882 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
1883 "status=%d ", status);
1886 if (wpa_s->pending_invite_ssid_id == -1)
1887 return; /* Invitation to active group */
1889 if (status != P2P_SC_SUCCESS) {
1890 wpas_p2p_remove_pending_group_interface(wpa_s);
1894 ssid = wpa_config_get_network(wpa_s->conf,
1895 wpa_s->pending_invite_ssid_id);
1897 wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
1898 "data matching with invitation");
1902 wpas_p2p_group_add_persistent(wpa_s, ssid,
1903 ssid->mode == WPAS_MODE_P2P_GO, 0);
1907 static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
1908 struct p2p_config *p2p)
1910 struct hostapd_hw_modes *modes;
1911 u16 num_modes, flags;
1913 int band24 = 0, band5_low = 0, band5_high = 0;
1915 /* TODO: more detailed selection of channels within reg_class based on
1916 * driver capabilities */
1918 modes = wpa_drv_get_hw_feature_data(wpa_s, &num_modes, &flags);
1919 if (modes == NULL) {
1920 wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
1921 "of all supported channels; assume dualband "
1923 band24 = band5_low = band5_high = 1;
1925 for (i = 0; i < num_modes; i++) {
1926 struct hostapd_hw_modes *mode;
1928 if (mode->mode == HOSTAPD_MODE_IEEE80211G) {
1930 } else if (mode->mode == HOSTAPD_MODE_IEEE80211A) {
1932 for (j = 0; j < mode->num_channels; j++) {
1933 struct hostapd_channel_data *ch;
1934 ch = &mode->channels[j];
1937 else if (ch->chan == 157)
1947 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for "
1950 /* Operating class 81 - 2.4 GHz band channels 1..13 */
1951 p2p->channels.reg_class[cla].reg_class = 81;
1953 p2p->channels.reg_class[cla].channels = 13;
1954 for (i = 0; i < 13; i++)
1955 p2p->channels.reg_class[cla].channel[i] = i + 1;
1957 p2p->channels.reg_class[cla].channels = 11;
1958 for (i = 0; i < 11; i++)
1959 p2p->channels.reg_class[cla].channel[i] = i + 1;
1964 /* Operating class 82 - 2.4 GHz band channel 14 */
1965 p2p->channels.reg_class[cla].reg_class = 82;
1966 p2p->channels.reg_class[cla].channels = 1;
1967 p2p->channels.reg_class[cla].channel[0] = 14;
1972 /* Operating class 83 - 2.4 GHz band channels 1..9; 40 MHz */
1973 p2p->channels.reg_class[cla].reg_class = 83;
1974 p2p->channels.reg_class[cla].channels = 9;
1975 for (i = 0; i < 9; i++)
1976 p2p->channels.reg_class[cla].channel[i] = i + 1;
1979 /* Operating class 84 - 2.4 GHz band channels 5..13; 40 MHz */
1980 p2p->channels.reg_class[cla].reg_class = 84;
1981 p2p->channels.reg_class[cla].channels = 9;
1982 for (i = 0; i < 9; i++)
1983 p2p->channels.reg_class[cla].channel[i] = i + 5;
1989 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for "
1990 "lower 5 GHz band");
1992 /* Operating class 115 - 5 GHz, channels 36-48 */
1993 p2p->channels.reg_class[cla].reg_class = 115;
1994 p2p->channels.reg_class[cla].channels = 4;
1995 p2p->channels.reg_class[cla].channel[0] = 36;
1996 p2p->channels.reg_class[cla].channel[1] = 40;
1997 p2p->channels.reg_class[cla].channel[2] = 44;
1998 p2p->channels.reg_class[cla].channel[3] = 48;
2002 /* Operating class 116 - 5 GHz, channels 36,44; 40 MHz */
2003 p2p->channels.reg_class[cla].reg_class = 116;
2004 p2p->channels.reg_class[cla].channels = 2;
2005 p2p->channels.reg_class[cla].channel[0] = 36;
2006 p2p->channels.reg_class[cla].channel[1] = 44;
2009 /* Operating class 117 - 5 GHz, channels 40,48; 40 MHz */
2010 p2p->channels.reg_class[cla].reg_class = 117;
2011 p2p->channels.reg_class[cla].channels = 2;
2012 p2p->channels.reg_class[cla].channel[0] = 40;
2013 p2p->channels.reg_class[cla].channel[1] = 48;
2019 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for "
2020 "higher 5 GHz band");
2022 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
2023 p2p->channels.reg_class[cla].reg_class = 124;
2024 p2p->channels.reg_class[cla].channels = 4;
2025 p2p->channels.reg_class[cla].channel[0] = 149;
2026 p2p->channels.reg_class[cla].channel[1] = 153;
2027 p2p->channels.reg_class[cla].channel[2] = 157;
2028 p2p->channels.reg_class[cla].channel[3] = 161;
2032 /* Operating class 126 - 5 GHz, channels 149,157; 40 MHz */
2033 p2p->channels.reg_class[cla].reg_class = 126;
2034 p2p->channels.reg_class[cla].channels = 2;
2035 p2p->channels.reg_class[cla].channel[0] = 149;
2036 p2p->channels.reg_class[cla].channel[1] = 157;
2039 /* Operating class 127 - 5 GHz, channels 153,161; 40 MHz */
2040 p2p->channels.reg_class[cla].reg_class = 127;
2041 p2p->channels.reg_class[cla].channels = 2;
2042 p2p->channels.reg_class[cla].channel[0] = 153;
2043 p2p->channels.reg_class[cla].channel[1] = 161;
2048 p2p->channels.reg_classes = cla;
2051 ieee80211_sta_free_hw_features(modes, num_modes);
2057 static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
2060 struct wpa_supplicant *wpa_s = ctx;
2062 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2063 if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
2069 return wpa_drv_get_noa(wpa_s, buf, buf_len);
2074 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
2075 * @global: Pointer to global data from wpa_supplicant_init()
2076 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2077 * Returns: 0 on success, -1 on failure
2079 int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
2081 struct p2p_config p2p;
2085 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
2088 #ifdef CONFIG_CLIENT_MLME
2089 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) {
2090 wpa_s->mlme.public_action_cb = p2p_rx_action_mlme;
2091 wpa_s->mlme.public_action_cb_ctx = wpa_s;
2093 #endif /* CONFIG_CLIENT_MLME */
2095 if (wpa_drv_disable_11b_rates(wpa_s, 1) < 0) {
2096 wpa_printf(MSG_DEBUG, "P2P: Failed to disable 11b rates");
2097 /* Continue anyway; this is not really a fatal error */
2103 os_memset(&p2p, 0, sizeof(p2p));
2104 p2p.msg_ctx = wpa_s;
2106 p2p.p2p_scan = wpas_p2p_scan;
2107 p2p.send_action = wpas_send_action;
2108 p2p.send_action_done = wpas_send_action_done;
2109 p2p.go_neg_completed = wpas_go_neg_completed;
2110 p2p.go_neg_req_rx = wpas_go_neg_req_rx;
2111 p2p.dev_found = wpas_dev_found;
2112 p2p.start_listen = wpas_start_listen;
2113 p2p.stop_listen = wpas_stop_listen;
2114 p2p.send_probe_resp = wpas_send_probe_resp;
2115 p2p.sd_request = wpas_sd_request;
2116 p2p.sd_response = wpas_sd_response;
2117 p2p.prov_disc_req = wpas_prov_disc_req;
2118 p2p.prov_disc_resp = wpas_prov_disc_resp;
2119 p2p.invitation_process = wpas_invitation_process;
2120 p2p.invitation_received = wpas_invitation_received;
2121 p2p.invitation_result = wpas_invitation_result;
2122 p2p.get_noa = wpas_get_noa;
2124 os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
2125 os_memcpy(p2p.dev_addr, wpa_s->own_addr, ETH_ALEN);
2126 p2p.dev_name = wpa_s->conf->device_name;
2128 if (wpa_s->conf->p2p_listen_reg_class &&
2129 wpa_s->conf->p2p_listen_channel) {
2130 p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
2131 p2p.channel = wpa_s->conf->p2p_listen_channel;
2135 * Pick one of the social channels randomly as the listen
2138 os_get_random((u8 *) &r, sizeof(r));
2139 p2p.channel = 1 + (r % 3) * 5;
2142 if (wpa_s->conf->p2p_oper_reg_class &&
2143 wpa_s->conf->p2p_oper_channel) {
2144 p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
2145 p2p.op_channel = wpa_s->conf->p2p_oper_channel;
2147 p2p.op_reg_class = 81;
2149 * For initial tests, pick the operation channel randomly.
2150 * TODO: Use scan results (etc.) to select the best channel.
2152 p2p.op_channel = 1 + r % 11;
2154 wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d "
2155 "Own preferred operation channel: %d",
2156 p2p.channel, p2p.op_channel);
2157 if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
2158 os_memcpy(p2p.country, wpa_s->conf->country, 2);
2159 p2p.country[2] = 0x04;
2161 os_memcpy(p2p.country, "US\x04", 3);
2163 if (wpas_p2p_setup_channels(wpa_s, &p2p)) {
2164 wpa_printf(MSG_ERROR, "P2P: Failed to configure supported "
2169 if (wpa_s->conf->device_type &&
2170 wps_dev_type_str2bin(wpa_s->conf->device_type, p2p.pri_dev_type) <
2172 wpa_printf(MSG_ERROR, "P2P: Invalid device_type");
2176 for (i = 0; i < MAX_SEC_DEVICE_TYPES; i++) {
2177 if (wpa_s->conf->sec_device_type[i] == NULL)
2179 if (wps_dev_type_str2bin(
2180 wpa_s->conf->sec_device_type[i],
2181 p2p.sec_dev_type[p2p.num_sec_dev_types]) < 0) {
2182 wpa_printf(MSG_ERROR, "P2P: Invalid sec_device_type");
2185 p2p.num_sec_dev_types++;
2186 if (p2p.num_sec_dev_types == P2P_SEC_DEVICE_TYPES)
2190 p2p.concurrent_operations = !!(wpa_s->drv_flags &
2191 WPA_DRIVER_FLAGS_P2P_CONCURRENT);
2193 p2p.max_peers = wpa_s->max_stations ? wpa_s->max_stations : 100;
2195 if (wpa_s->conf->p2p_ssid_postfix) {
2196 p2p.ssid_postfix_len =
2197 os_strlen(wpa_s->conf->p2p_ssid_postfix);
2198 if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
2199 p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
2200 os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
2201 p2p.ssid_postfix_len);
2204 p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
2206 global->p2p = p2p_init(&p2p);
2207 if (global->p2p == NULL)
2215 * wpas_p2p_deinit - Deinitialize per-interface P2P data
2216 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2218 * This function deinitialize per-interface P2P data.
2220 void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
2222 if (wpa_s->driver && wpa_s->drv_priv)
2223 wpa_drv_probe_req_report(wpa_s, 0);
2224 os_free(wpa_s->go_params);
2225 wpa_s->go_params = NULL;
2226 wpabuf_free(wpa_s->pending_action_tx);
2227 wpa_s->pending_action_tx = NULL;
2228 eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
2229 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
2230 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2231 wpa_s->p2p_long_listen = 0;
2232 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
2233 wpas_p2p_remove_pending_group_interface(wpa_s);
2235 /* TODO: remove group interface from the driver if this wpa_s instance
2236 * is on top of a P2P group interface */
2241 * wpas_p2p_deinit_global - Deinitialize global P2P module
2242 * @global: Pointer to global data from wpa_supplicant_init()
2244 * This function deinitializes the global (per device) P2P module.
2246 void wpas_p2p_deinit_global(struct wpa_global *global)
2248 struct wpa_supplicant *wpa_s, *tmp;
2251 if (global->p2p == NULL)
2254 /* Remove remaining P2P group interfaces */
2255 wpa_s = global->ifaces;
2257 wpas_p2p_service_flush(wpa_s);
2258 while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
2259 wpa_s = wpa_s->next;
2261 enum wpa_driver_if_type type;
2262 tmp = global->ifaces;
2265 tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
2270 ifname = os_strdup(tmp->ifname);
2271 type = wpas_p2p_if_type(tmp->p2p_group_interface);
2272 wpa_supplicant_remove_iface(global, tmp);
2274 wpa_drv_if_remove(wpa_s, type, ifname);
2279 * Deinit GO data on any possibly remaining interface (if main
2280 * interface is used as GO).
2282 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2283 if (wpa_s->ap_iface)
2284 wpas_p2p_group_deinit(wpa_s);
2287 p2p_deinit(global->p2p);
2292 static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
2294 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
2295 return 1; /* P2P group requires a new interface in every case
2297 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
2298 return 0; /* driver does not support concurrent operations */
2299 if (wpa_s->global->ifaces->next)
2300 return 1; /* more that one interface already in use */
2301 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2302 return 1; /* this interface is already in use */
2307 static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
2308 const u8 *peer_addr,
2309 enum p2p_wps_method wps_method,
2310 int go_intent, const u8 *own_interface_addr,
2311 unsigned int force_freq, int persistent_group)
2313 return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
2314 go_intent, own_interface_addr, force_freq,
2319 static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
2320 const u8 *peer_addr,
2321 enum p2p_wps_method wps_method,
2322 int go_intent, const u8 *own_interface_addr,
2323 unsigned int force_freq, int persistent_group)
2325 return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
2326 go_intent, own_interface_addr, force_freq,
2331 static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
2332 struct wpa_scan_results *scan_res)
2334 struct wpa_bss *bss;
2337 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2339 if (wpa_s->global->p2p_disabled)
2342 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for join",
2343 scan_res ? (int) scan_res->num : -1);
2346 wpas_p2p_scan_res_handler(wpa_s, scan_res);
2348 freq = p2p_get_oper_freq(wpa_s->global->p2p,
2349 wpa_s->pending_join_iface_addr);
2351 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
2352 "from P2P peer table: %d MHz", freq);
2354 bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
2357 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
2358 "from BSS table: %d MHz", freq);
2363 wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
2364 "prior to joining an existing group (GO " MACSTR
2366 MAC2STR(wpa_s->pending_join_dev_addr), freq);
2367 wpa_s->pending_pd_before_join = 1;
2369 switch (wpa_s->pending_join_wps_method) {
2371 case WPS_PIN_DISPLAY:
2372 method = WPS_CONFIG_KEYPAD;
2374 case WPS_PIN_KEYPAD:
2375 method = WPS_CONFIG_DISPLAY;
2378 method = WPS_CONFIG_PUSHBUTTON;
2385 if (p2p_prov_disc_req(wpa_s->global->p2p,
2386 wpa_s->pending_join_dev_addr, method, 1)
2388 wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
2389 "Discovery Request before joining an "
2391 wpa_s->pending_pd_before_join = 0;
2396 * Actual join operation will be started from the Action frame
2397 * TX status callback.
2402 wpa_printf(MSG_DEBUG, "P2P: Target BSS/GO not yet in BSS table - "
2403 "cannot send Provision Discovery Request");
2406 /* Start join operation immediately */
2407 wpas_p2p_join_start(wpa_s);
2411 static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
2413 struct wpa_supplicant *wpa_s = eloop_ctx;
2415 struct wpa_driver_scan_params params;
2416 struct wpabuf *wps_ie, *ies;
2418 os_memset(¶ms, 0, sizeof(params));
2420 /* P2P Wildcard SSID */
2421 params.num_ssids = 1;
2422 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
2423 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
2425 wpa_s->wps->dev.p2p = 1;
2426 wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
2428 if (wps_ie == NULL) {
2429 wpas_p2p_scan_res_join(wpa_s, NULL);
2433 ies = wpabuf_alloc(wpabuf_len(wps_ie) + 100);
2435 wpabuf_free(wps_ie);
2436 wpas_p2p_scan_res_join(wpa_s, NULL);
2439 wpabuf_put_buf(ies, wps_ie);
2440 wpabuf_free(wps_ie);
2442 p2p_scan_ie(wpa_s->global->p2p, ies);
2444 params.extra_ies = wpabuf_head(ies);
2445 params.extra_ies_len = wpabuf_len(ies);
2448 * Run a scan to update BSS table and start Provision Discovery once
2449 * the new scan results become available.
2451 wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
2452 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
2453 ret = ieee80211_sta_req_scan(wpa_s, ¶ms);
2455 ret = wpa_drv_scan(wpa_s, ¶ms);
2460 wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
2462 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2463 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
2468 static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
2469 const u8 *dev_addr, enum p2p_wps_method wps_method)
2471 wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
2472 MACSTR " dev " MACSTR ")",
2473 MAC2STR(iface_addr), MAC2STR(dev_addr));
2475 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
2476 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
2477 wpa_s->pending_join_wps_method = wps_method;
2479 /* Make sure we are not running find during connection establishment */
2480 wpas_p2p_stop_find(wpa_s);
2482 wpas_p2p_join_scan(wpa_s, NULL);
2487 static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s)
2489 struct wpa_supplicant *group;
2490 struct p2p_go_neg_results res;
2492 group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
2495 if (group != wpa_s) {
2496 os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
2497 sizeof(group->p2p_pin));
2498 group->p2p_wps_method = wpa_s->p2p_wps_method;
2501 group->p2p_in_provisioning = 1;
2503 os_memset(&res, 0, sizeof(res));
2504 os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
2506 res.wps_method = wpa_s->pending_join_wps_method;
2507 wpas_start_wps_enrollee(group, &res);
2510 * Allow a longer timeout for join-a-running-group than normal 15
2511 * second group formation timeout since the GO may not have authorized
2512 * our connection yet.
2514 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
2515 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout,
2523 * wpas_p2p_connect - Request P2P Group Formation to be started
2524 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2525 * @peer_addr: Address of the peer P2P Device
2526 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
2527 * @persistent_group: Whether to create a persistent group
2528 * @join: Whether to join an existing group (as a client) instead of starting
2529 * Group Owner negotiation; @peer_addr is BSSID in that case
2530 * @auth: Whether to only authorize the connection instead of doing that and
2531 * initiating Group Owner negotiation
2532 * @go_intent: GO Intent or -1 to use default
2533 * @freq: Frequency for the group or 0 for auto-selection
2534 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on failure
2536 int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
2537 const char *pin, enum p2p_wps_method wps_method,
2538 int persistent_group, int join, int auth, int go_intent,
2544 enum wpa_driver_if_type iftype;
2547 go_intent = wpa_s->conf->p2p_go_intent;
2550 wpa_s->p2p_long_listen = 0;
2552 wpa_s->p2p_wps_method = wps_method;
2555 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
2556 else if (wps_method == WPS_PIN_DISPLAY) {
2557 ret = wps_generate_pin();
2558 os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d",
2560 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
2563 wpa_s->p2p_pin[0] = '\0';
2566 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
2568 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
2569 "connect a running group from " MACSTR,
2570 MAC2STR(peer_addr));
2571 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
2574 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
2575 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
2577 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
2578 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
2581 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method) <
2589 else if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
2591 force_freq = wpa_s->assoc_freq;
2593 force_freq = wpa_drv_shared_freq(wpa_s);
2598 if (force_freq > 0) {
2599 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
2600 "channel we are already using (%u MHz) on another "
2601 "interface", force_freq);
2604 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
2606 if (!wpa_s->create_p2p_iface) {
2608 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
2609 go_intent, wpa_s->own_addr,
2610 force_freq, persistent_group)
2615 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
2616 go_intent, wpa_s->own_addr,
2617 force_freq, persistent_group) < 0)
2622 /* Prepare to add a new interface for the group */
2623 iftype = WPA_IF_P2P_GROUP;
2625 iftype = WPA_IF_P2P_CLIENT;
2626 else if (go_intent == 15)
2627 iftype = WPA_IF_P2P_GO;
2628 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
2629 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
2630 "interface for the group");
2635 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
2637 wpa_s->pending_interface_addr,
2638 force_freq, persistent_group) < 0)
2642 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, go_intent,
2643 wpa_s->pending_interface_addr,
2644 force_freq, persistent_group) < 0) {
2645 wpas_p2p_remove_pending_group_interface(wpa_s);
2653 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
2654 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2655 * @freq: Frequency of the channel in MHz
2656 * @duration: Duration of the stay on the channel in milliseconds
2658 * This callback is called when the driver indicates that it has started the
2659 * requested remain-on-channel duration.
2661 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
2662 unsigned int freq, unsigned int duration)
2664 wpa_s->roc_waiting_drv_freq = 0;
2665 wpa_s->off_channel_freq = freq;
2666 wpas_send_action_cb(wpa_s, NULL);
2667 if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
2668 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
2669 wpa_s->pending_listen_duration);
2670 wpa_s->pending_listen_freq = 0;
2675 static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s,
2676 unsigned int timeout)
2678 /* Limit maximum Listen state time based on driver limitation. */
2679 if (timeout > wpa_s->max_remain_on_chan)
2680 timeout = wpa_s->max_remain_on_chan;
2682 return p2p_listen(wpa_s->global->p2p, timeout);
2687 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
2688 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2689 * @freq: Frequency of the channel in MHz
2691 * This callback is called when the driver indicates that a remain-on-channel
2692 * operation has been completed, i.e., the duration on the requested channel
2695 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
2698 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
2699 "(p2p_long_listen=%d pending_action_tx=%p)",
2700 wpa_s->p2p_long_listen, wpa_s->pending_action_tx);
2701 wpa_s->off_channel_freq = 0;
2702 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
2703 return; /* P2P module started a new operation */
2704 if (wpa_s->pending_action_tx)
2706 if (wpa_s->p2p_long_listen > 0)
2707 wpa_s->p2p_long_listen -= 5;
2708 if (wpa_s->p2p_long_listen > 0) {
2709 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
2710 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen * 1000);
2716 * wpas_p2p_group_remove - Remove a P2P group
2717 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2718 * @ifname: Network interface name of the group interface or "*" to remove all
2720 * Returns: 0 on success, -1 on failure
2722 * This function is used to remove a P2P group. This can be used to disconnect
2723 * from a group in which the local end is a P2P Client or to end a P2P Group in
2724 * case the local end is the Group Owner. If a virtual network interface was
2725 * created for this group, that interface will be removed. Otherwise, only the
2726 * configured P2P group network will be removed from the interface.
2728 int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
2730 struct wpa_global *global = wpa_s->global;
2732 if (os_strcmp(ifname, "*") == 0) {
2733 struct wpa_supplicant *prev;
2734 wpa_s = global->ifaces;
2737 wpa_s = wpa_s->next;
2738 wpas_p2p_group_delete(prev);
2743 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2744 if (os_strcmp(wpa_s->ifname, ifname) == 0)
2751 wpas_p2p_group_delete(wpa_s);
2757 static void wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
2758 struct p2p_go_neg_results *params,
2764 os_memset(params, 0, sizeof(*params));
2765 params->role_go = 1;
2766 params->freq = 2412;
2768 params->freq = freq;
2769 else if (wpa_s->conf->p2p_oper_reg_class == 81 &&
2770 wpa_s->conf->p2p_oper_channel >= 1 &&
2771 wpa_s->conf->p2p_oper_channel <= 11)
2772 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
2773 else if (wpa_s->conf->p2p_oper_reg_class == 115 ||
2774 wpa_s->conf->p2p_oper_reg_class == 118)
2775 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
2776 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
2777 wpa_s->assoc_freq && !freq) {
2778 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
2780 params->freq = wpa_s->assoc_freq;
2783 res = wpa_drv_shared_freq(wpa_s);
2784 if (res > 0 && !freq) {
2785 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
2786 "already using on a shared interface");
2792 static struct wpa_supplicant *
2793 wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
2796 struct wpa_supplicant *group_wpa_s;
2798 if (!wpas_p2p_create_iface(wpa_s))
2801 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
2802 WPA_IF_P2P_CLIENT) < 0)
2804 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
2805 if (group_wpa_s == NULL) {
2806 wpas_p2p_remove_pending_group_interface(wpa_s);
2815 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
2816 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2817 * @persistent_group: Whether to create a persistent group
2818 * @freq: Frequency for the group or 0 to indicate no hardcoding
2819 * Returns: 0 on success, -1 on failure
2821 * This function creates a new P2P group with the local end as the Group Owner,
2822 * i.e., without using Group Owner Negotiation.
2824 int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
2827 struct p2p_go_neg_results params;
2829 wpas_p2p_init_go_params(wpa_s, ¶ms, freq);
2830 p2p_go_params(wpa_s->global->p2p, ¶ms);
2831 params.persistent_group = persistent_group;
2833 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
2836 wpas_start_wps_go(wpa_s, ¶ms, 0);
2842 static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
2843 struct wpa_ssid *params, int addr_allocated)
2845 struct wpa_ssid *ssid;
2847 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
2851 wpa_supplicant_ap_deinit(wpa_s);
2853 ssid = wpa_config_add_network(wpa_s->conf);
2856 wpas_notify_network_added(wpa_s, ssid);
2857 wpa_config_set_network_defaults(ssid);
2858 ssid->temporary = 1;
2859 ssid->proto = WPA_PROTO_RSN;
2860 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
2861 ssid->group_cipher = WPA_CIPHER_CCMP;
2862 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
2863 ssid->ssid = os_malloc(params->ssid_len);
2864 if (ssid->ssid == NULL) {
2865 wpas_notify_network_removed(wpa_s, ssid);
2866 wpa_config_remove_network(wpa_s->conf, ssid->id);
2869 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
2870 ssid->ssid_len = params->ssid_len;
2871 ssid->p2p_group = 1;
2872 if (params->psk_set) {
2873 os_memcpy(ssid->psk, params->psk, 32);
2876 if (params->passphrase)
2877 ssid->passphrase = os_strdup(params->passphrase);
2879 wpa_supplicant_select_network(wpa_s, ssid);
2881 wpa_s->show_group_started = 1;
2887 int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
2888 struct wpa_ssid *ssid, int addr_allocated,
2891 struct p2p_go_neg_results params;
2893 if (ssid->disabled != 2 || ssid->ssid == NULL)
2896 wpa_s->p2p_long_listen = 0;
2897 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
2899 if (ssid->mode == WPAS_MODE_INFRA)
2900 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated);
2902 if (ssid->mode != WPAS_MODE_P2P_GO)
2905 wpas_p2p_init_go_params(wpa_s, ¶ms, freq);
2908 if (ssid->passphrase == NULL ||
2909 os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
2910 wpa_printf(MSG_DEBUG, "P2P: Invalid passphrase in persistent "
2914 os_strlcpy(params.passphrase, ssid->passphrase,
2915 sizeof(params.passphrase));
2916 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
2917 params.ssid_len = ssid->ssid_len;
2918 params.persistent_group = 1;
2920 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
2924 wpas_start_wps_go(wpa_s, ¶ms, 0);
2930 static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
2931 struct wpabuf *proberesp_ies)
2933 struct wpa_supplicant *wpa_s = ctx;
2934 if (wpa_s->ap_iface) {
2935 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
2937 wpabuf_free(hapd->p2p_beacon_ie);
2938 hapd->p2p_beacon_ie = beacon_ies;
2940 wpabuf_free(hapd->p2p_probe_resp_ie);
2941 hapd->p2p_probe_resp_ie = proberesp_ies;
2943 wpabuf_free(beacon_ies);
2944 wpabuf_free(proberesp_ies);
2946 wpa_supplicant_ap_update_beacon(wpa_s);
2950 struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
2951 int persistent_group,
2952 int group_formation)
2954 struct p2p_group *group;
2955 struct p2p_group_config *cfg;
2957 cfg = os_zalloc(sizeof(*cfg));
2961 cfg->persistent_group = persistent_group;
2962 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
2963 cfg->cb_ctx = wpa_s;
2964 cfg->ie_update = wpas_p2p_ie_update;
2966 group = p2p_group_init(wpa_s->global->p2p, cfg);
2969 if (!group_formation)
2970 p2p_group_notif_formation_done(group);
2971 wpa_s->p2p_group = group;
2976 void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
2979 if (!wpa_s->p2p_in_provisioning) {
2980 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
2981 "provisioning not in progress");
2985 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
2987 if (wpa_s->global->p2p)
2988 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
2989 wpas_group_formation_completed(wpa_s, 1);
2993 int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
2994 const char *config_method)
2998 if (os_strcmp(config_method, "display") == 0)
2999 config_methods = WPS_CONFIG_DISPLAY;
3000 else if (os_strcmp(config_method, "keypad") == 0)
3001 config_methods = WPS_CONFIG_KEYPAD;
3002 else if (os_strcmp(config_method, "pbc") == 0 ||
3003 os_strcmp(config_method, "pushbutton") == 0)
3004 config_methods = WPS_CONFIG_PUSHBUTTON;
3008 if (wpa_s->global->p2p == NULL)
3011 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr,
3016 int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
3019 return p2p_scan_result_text(ies, ies_len, buf, end);
3023 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
3025 if (!wpa_s->pending_action_tx)
3028 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
3029 "operation request");
3030 wpabuf_free(wpa_s->pending_action_tx);
3031 wpa_s->pending_action_tx = NULL;
3035 int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
3036 enum p2p_discovery_type type)
3038 wpas_p2p_clear_pending_action_tx(wpa_s);
3039 wpa_s->p2p_long_listen = 0;
3041 return p2p_find(wpa_s->global->p2p, timeout, type);
3045 void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
3047 wpas_p2p_clear_pending_action_tx(wpa_s);
3048 wpa_s->p2p_long_listen = 0;
3049 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
3051 p2p_stop_find(wpa_s->global->p2p);
3053 wpas_p2p_remove_pending_group_interface(wpa_s);
3057 static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
3059 struct wpa_supplicant *wpa_s = eloop_ctx;
3060 wpa_s->p2p_long_listen = 0;
3064 int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
3068 wpas_p2p_clear_pending_action_tx(wpa_s);
3072 * This is a request for unlimited Listen state. However, at
3073 * least for now, this is mapped to a Listen state for one
3078 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3079 wpa_s->p2p_long_listen = 0;
3081 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
3082 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
3083 wpa_s->p2p_long_listen = timeout;
3084 eloop_register_timeout(timeout, 0,
3085 wpas_p2p_long_listen_timeout,
3093 int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3094 u8 *buf, size_t len, int p2p_group)
3096 struct wpabuf *p2p_ie;
3099 if (wpa_s->global->p2p_disabled)
3101 if (wpa_s->global->p2p == NULL)
3106 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
3107 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
3109 wpabuf_free(p2p_ie);
3115 int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
3116 const u8 *ie, size_t ie_len)
3118 if (wpa_s->global->p2p_disabled)
3120 if (wpa_s->global->p2p == NULL)
3123 return p2p_probe_req_rx(wpa_s->global->p2p, addr, ie, ie_len);
3127 void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
3128 const u8 *sa, const u8 *bssid,
3129 u8 category, const u8 *data, size_t len, int freq)
3131 if (wpa_s->global->p2p_disabled)
3133 if (wpa_s->global->p2p == NULL)
3136 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
3141 void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
3143 if (wpa_s->global->p2p_disabled)
3145 if (wpa_s->global->p2p == NULL)
3148 p2p_scan_ie(wpa_s->global->p2p, ies);
3152 void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
3154 p2p_group_deinit(wpa_s->p2p_group);
3155 wpa_s->p2p_group = NULL;
3159 int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
3161 wpa_s->p2p_long_listen = 0;
3163 return p2p_reject(wpa_s->global->p2p, addr);
3167 /* Invite to reinvoke a persistent group */
3168 int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3169 struct wpa_ssid *ssid, const u8 *go_dev_addr)
3171 enum p2p_invite_role role;
3174 if (ssid->mode == WPAS_MODE_P2P_GO) {
3175 role = P2P_INVITE_ROLE_GO;
3176 if (peer_addr == NULL) {
3177 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
3178 "address in invitation command");
3181 if (wpas_p2p_create_iface(wpa_s)) {
3182 if (wpas_p2p_add_group_interface(wpa_s,
3183 WPA_IF_P2P_GO) < 0) {
3184 wpa_printf(MSG_ERROR, "P2P: Failed to "
3185 "allocate a new interface for the "
3189 bssid = wpa_s->pending_interface_addr;
3191 bssid = wpa_s->own_addr;
3193 role = P2P_INVITE_ROLE_CLIENT;
3194 peer_addr = ssid->bssid;
3196 wpa_s->pending_invite_ssid_id = ssid->id;
3198 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
3199 ssid->ssid, ssid->ssid_len, 0, go_dev_addr, 1);
3203 /* Invite to join an active group */
3204 int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
3205 const u8 *peer_addr, const u8 *go_dev_addr)
3207 struct wpa_global *global = wpa_s->global;
3208 enum p2p_invite_role role;
3210 struct wpa_ssid *ssid;
3212 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3213 if (os_strcmp(wpa_s->ifname, ifname) == 0)
3216 if (wpa_s == NULL) {
3217 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
3221 ssid = wpa_s->current_ssid;
3223 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
3228 if (ssid->mode == WPAS_MODE_P2P_GO) {
3229 role = P2P_INVITE_ROLE_ACTIVE_GO;
3230 bssid = wpa_s->own_addr;
3231 if (go_dev_addr == NULL)
3232 go_dev_addr = wpa_s->parent->own_addr;
3234 role = P2P_INVITE_ROLE_CLIENT;
3235 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
3236 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
3237 "invite to current group");
3240 bssid = wpa_s->bssid;
3241 if (go_dev_addr == NULL &&
3242 !is_zero_ether_addr(wpa_s->go_dev_addr))
3243 go_dev_addr = wpa_s->go_dev_addr;
3245 wpa_s->pending_invite_ssid_id = -1;
3247 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
3248 ssid->ssid, ssid->ssid_len, wpa_s->assoc_freq,
3253 void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
3255 struct wpa_ssid *ssid = wpa_s->current_ssid;
3256 const char *ssid_txt;
3257 u8 go_dev_addr[ETH_ALEN];
3260 if (!wpa_s->show_group_started || !ssid)
3263 wpa_s->show_group_started = 0;
3265 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
3266 os_memset(go_dev_addr, 0, ETH_ALEN);
3267 if (ssid->bssid_set)
3268 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
3269 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
3271 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
3273 if (ssid->passphrase == NULL && ssid->psk_set) {
3275 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
3276 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
3277 "%s client ssid=\"%s\" freq=%d psk=%s go_dev_addr="
3279 wpa_s->ifname, ssid_txt, ssid->frequency, psk,
3280 MAC2STR(go_dev_addr),
3281 persistent ? " [PERSISTENT]" : "");
3283 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
3284 "%s client ssid=\"%s\" freq=%d passphrase=\"%s\" "
3285 "go_dev_addr=" MACSTR "%s",
3286 wpa_s->ifname, ssid_txt, ssid->frequency,
3287 ssid->passphrase ? ssid->passphrase : "",
3288 MAC2STR(go_dev_addr),
3289 persistent ? " [PERSISTENT]" : "");
3293 wpas_p2p_store_persistent_group(wpa_s->parent, ssid,
3298 int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
3299 u32 interval1, u32 duration2, u32 interval2)
3301 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
3302 wpa_s->current_ssid == NULL ||
3303 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
3306 return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
3307 wpa_s->own_addr, wpa_s->assoc_freq,
3308 duration1, interval1, duration2, interval2);
3312 int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
3313 unsigned int interval)
3315 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
3319 void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3320 u16 reason_code, const u8 *ie, size_t ie_len)
3322 if (wpa_s->global->p2p_disabled)
3325 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
3329 void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3330 u16 reason_code, const u8 *ie, size_t ie_len)
3332 if (wpa_s->global->p2p_disabled)
3335 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
3339 void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
3341 struct p2p_data *p2p = wpa_s->global->p2p;
3346 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
3349 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
3350 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
3352 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) {
3354 if (wpa_s->conf->device_type) {
3355 if (wps_dev_type_str2bin(wpa_s->conf->device_type,
3356 pri_dev_type) < 0) {
3357 wpa_printf(MSG_ERROR, "P2P: Invalid "
3360 p2p_set_pri_dev_type(p2p, pri_dev_type);
3364 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
3365 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
3368 for (i = 0; i < MAX_SEC_DEVICE_TYPES; i++) {
3369 if (wpa_s->conf->sec_device_type[i] == NULL)
3371 if (wps_dev_type_str2bin(
3372 wpa_s->conf->sec_device_type[i],
3373 sec_dev_type[num]) < 0) {
3374 wpa_printf(MSG_ERROR, "P2P: Invalid "
3379 if (num == P2P_SEC_DEVICE_TYPES)
3382 p2p_set_sec_dev_types(p2p, (void *) sec_dev_type, num);
3385 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
3386 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
3388 country[0] = wpa_s->conf->country[0];
3389 country[1] = wpa_s->conf->country[1];
3391 p2p_set_country(p2p, country);
3394 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
3395 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
3396 wpa_s->conf->p2p_ssid_postfix ?
3397 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
3401 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
3402 p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
3406 int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
3409 if (!wpa_s->ap_iface)
3411 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
3416 int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
3418 if (wpa_s->global->p2p_disabled)
3420 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3423 wpa_s->global->cross_connection = enabled;
3424 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
3427 struct wpa_supplicant *iface;
3429 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
3431 if (iface->cross_connect_enabled == 0)
3434 iface->cross_connect_enabled = 0;
3435 iface->cross_connect_in_use = 0;
3436 wpa_msg(iface->parent, MSG_INFO,
3437 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
3438 iface->ifname, iface->cross_connect_uplink);
3446 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
3448 struct wpa_supplicant *iface;
3450 if (!uplink->global->cross_connection)
3453 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
3454 if (!iface->cross_connect_enabled)
3456 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
3459 if (iface->ap_iface == NULL)
3461 if (iface->cross_connect_in_use)
3464 iface->cross_connect_in_use = 1;
3465 wpa_msg(iface->parent, MSG_INFO,
3466 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
3467 iface->ifname, iface->cross_connect_uplink);
3472 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
3474 struct wpa_supplicant *iface;
3476 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
3477 if (!iface->cross_connect_enabled)
3479 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
3482 if (!iface->cross_connect_in_use)
3485 wpa_msg(iface->parent, MSG_INFO,
3486 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
3487 iface->ifname, iface->cross_connect_uplink);
3488 iface->cross_connect_in_use = 0;
3493 void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
3495 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
3496 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
3497 wpa_s->cross_connect_disallowed)
3498 wpas_p2p_disable_cross_connect(wpa_s);
3500 wpas_p2p_enable_cross_connect(wpa_s);
3504 void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
3506 wpas_p2p_disable_cross_connect(wpa_s);
3510 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
3512 struct wpa_supplicant *iface;
3514 if (!wpa_s->global->cross_connection)
3517 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
3520 if (iface->drv_flags &
3521 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
3523 if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)
3526 wpa_s->cross_connect_enabled = 1;
3527 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
3528 sizeof(wpa_s->cross_connect_uplink));
3529 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
3530 "%s to %s whenever uplink is available",
3531 wpa_s->ifname, wpa_s->cross_connect_uplink);
3533 if (iface->ap_iface || iface->current_ssid == NULL ||
3534 iface->current_ssid->mode != WPAS_MODE_INFRA ||
3535 iface->cross_connect_disallowed ||
3536 iface->wpa_state != WPA_COMPLETED)
3539 wpa_s->cross_connect_in_use = 1;
3540 wpa_msg(wpa_s->parent, MSG_INFO,
3541 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
3542 wpa_s->ifname, wpa_s->cross_connect_uplink);
3548 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
3550 if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
3551 !wpa_s->p2p_in_provisioning)
3552 return 0; /* not P2P client operation */
3554 wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
3556 wpas_group_formation_completed(wpa_s, 0);