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_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR,
704 MAC2STR(res->peer_interface_addr));
705 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
706 res->ssid, res->ssid_len);
707 wpa_supplicant_ap_deinit(wpa_s);
708 wpas_copy_go_neg_results(wpa_s, res);
709 if (res->wps_method == WPS_PBC)
710 wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1);
712 u16 dev_pw_id = DEV_PW_DEFAULT;
713 if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)
714 dev_pw_id = DEV_PW_REGISTRAR_SPECIFIED;
715 wpas_wps_start_pin(wpa_s, res->peer_interface_addr,
716 wpa_s->p2p_pin, 1, dev_pw_id);
721 static void p2p_go_configured(void *ctx, void *data)
723 struct wpa_supplicant *wpa_s = ctx;
724 struct p2p_go_neg_results *params = data;
725 struct wpa_ssid *ssid;
727 ssid = wpa_s->current_ssid;
728 if (ssid && ssid->mode == WPAS_MODE_P2P_GO) {
729 wpa_printf(MSG_DEBUG, "P2P: Group setup without provisioning");
730 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
731 "%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
732 "go_dev_addr=" MACSTR "%s",
734 wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
736 params->passphrase ? params->passphrase : "",
737 MAC2STR(wpa_s->parent->own_addr),
738 params->persistent_group ? " [PERSISTENT]" : "");
739 if (params->persistent_group)
740 wpas_p2p_store_persistent_group(
742 wpa_s->parent->own_addr);
743 wpas_p2p_cross_connect_setup(wpa_s);
747 wpa_printf(MSG_DEBUG, "P2P: Setting up WPS for GO provisioning");
748 if (wpa_supplicant_ap_mac_addr_filter(wpa_s,
749 params->peer_interface_addr)) {
750 wpa_printf(MSG_DEBUG, "P2P: Failed to setup MAC address "
754 if (params->wps_method == WPS_PBC)
755 wpa_supplicant_ap_wps_pbc(wpa_s, params->peer_interface_addr);
756 else if (wpa_s->p2p_pin[0])
757 wpa_supplicant_ap_wps_pin(wpa_s, params->peer_interface_addr,
758 wpa_s->p2p_pin, NULL, 0);
759 os_free(wpa_s->go_params);
760 wpa_s->go_params = NULL;
764 static void wpas_start_wps_go(struct wpa_supplicant *wpa_s,
765 struct p2p_go_neg_results *params,
768 struct wpa_ssid *ssid;
770 if (wpas_copy_go_neg_results(wpa_s, params) < 0)
773 ssid = wpa_config_add_network(wpa_s->conf);
777 wpa_config_set_network_defaults(ssid);
780 ssid->p2p_persistent_group = params->persistent_group;
781 ssid->mode = group_formation ? WPAS_MODE_P2P_GROUP_FORMATION :
783 ssid->frequency = params->freq;
784 ssid->ssid = os_zalloc(params->ssid_len + 1);
786 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
787 ssid->ssid_len = params->ssid_len;
789 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
790 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
791 ssid->proto = WPA_PROTO_RSN;
792 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
793 ssid->passphrase = os_strdup(params->passphrase);
795 wpa_s->ap_configured_cb = p2p_go_configured;
796 wpa_s->ap_configured_cb_ctx = wpa_s;
797 wpa_s->ap_configured_cb_data = wpa_s->go_params;
798 wpa_s->connect_without_scan = 1;
799 wpa_s->reassociate = 1;
800 wpa_s->disconnected = 0;
801 wpa_supplicant_req_scan(wpa_s, 0, 0);
805 static void wpas_p2p_clone_config(struct wpa_supplicant *dst,
806 const struct wpa_supplicant *src)
808 struct wpa_config *d;
809 const struct wpa_config *s;
814 #define C(n) if (s->n) d->n = os_strdup(s->n)
826 static int wpas_p2p_add_group_interface(struct wpa_supplicant *wpa_s,
827 enum wpa_driver_if_type type)
829 char ifname[120], force_ifname[120];
831 if (wpa_s->pending_interface_name[0]) {
832 wpa_printf(MSG_DEBUG, "P2P: Pending virtual interface exists "
833 "- skip creation of a new one");
834 if (is_zero_ether_addr(wpa_s->pending_interface_addr)) {
835 wpa_printf(MSG_DEBUG, "P2P: Pending virtual address "
836 "unknown?! ifname='%s'",
837 wpa_s->pending_interface_name);
843 os_snprintf(ifname, sizeof(ifname), "%s-p2p-%d", wpa_s->ifname,
844 wpa_s->p2p_group_idx);
845 force_ifname[0] = '\0';
847 wpa_printf(MSG_DEBUG, "P2P: Create a new interface %s for the group",
849 wpa_s->p2p_group_idx++;
851 wpa_s->pending_interface_type = type;
852 if (wpa_drv_if_add(wpa_s, type, ifname, NULL, NULL, force_ifname,
853 wpa_s->pending_interface_addr) < 0) {
854 wpa_printf(MSG_ERROR, "P2P: Failed to create new group "
859 if (force_ifname[0]) {
860 wpa_printf(MSG_DEBUG, "P2P: Driver forced interface name %s",
862 os_strlcpy(wpa_s->pending_interface_name, force_ifname,
863 sizeof(wpa_s->pending_interface_name));
865 os_strlcpy(wpa_s->pending_interface_name, ifname,
866 sizeof(wpa_s->pending_interface_name));
867 wpa_printf(MSG_DEBUG, "P2P: Created pending virtual interface %s addr "
868 MACSTR, wpa_s->pending_interface_name,
869 MAC2STR(wpa_s->pending_interface_addr));
875 static void wpas_p2p_remove_pending_group_interface(
876 struct wpa_supplicant *wpa_s)
878 if (!wpa_s->pending_interface_name[0] ||
879 is_zero_ether_addr(wpa_s->pending_interface_addr))
880 return; /* No pending virtual interface */
882 wpa_printf(MSG_DEBUG, "P2P: Removing pending group interface %s",
883 wpa_s->pending_interface_name);
884 wpa_drv_if_remove(wpa_s, wpa_s->pending_interface_type,
885 wpa_s->pending_interface_name);
886 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
887 wpa_s->pending_interface_name[0] = '\0';
891 static struct wpa_supplicant *
892 wpas_p2p_init_group_interface(struct wpa_supplicant *wpa_s, int go)
894 struct wpa_interface iface;
895 struct wpa_supplicant *group_wpa_s;
897 if (!wpa_s->pending_interface_name[0]) {
898 wpa_printf(MSG_ERROR, "P2P: No pending group interface");
902 os_memset(&iface, 0, sizeof(iface));
903 iface.ifname = wpa_s->pending_interface_name;
904 iface.driver = wpa_s->driver->name;
905 iface.ctrl_interface = wpa_s->conf->ctrl_interface;
906 iface.driver_param = wpa_s->conf->driver_param;
907 group_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface);
908 if (group_wpa_s == NULL) {
909 wpa_printf(MSG_ERROR, "P2P: Failed to create new "
910 "wpa_supplicant interface");
913 wpa_s->pending_interface_name[0] = '\0';
914 group_wpa_s->parent = wpa_s;
915 group_wpa_s->p2p_group_interface = go ? P2P_GROUP_INTERFACE_GO :
916 P2P_GROUP_INTERFACE_CLIENT;
917 wpa_s->global->p2p_group_formation = group_wpa_s;
919 wpas_p2p_clone_config(group_wpa_s, wpa_s);
925 static void wpas_p2p_group_formation_timeout(void *eloop_ctx,
928 struct wpa_supplicant *wpa_s = eloop_ctx;
929 wpa_printf(MSG_DEBUG, "P2P: Group Formation timed out");
930 if (wpa_s->global->p2p)
931 p2p_group_formation_failed(wpa_s->global->p2p);
932 wpas_group_formation_completed(wpa_s, 0);
936 void wpas_go_neg_completed(void *ctx, struct p2p_go_neg_results *res)
938 struct wpa_supplicant *wpa_s = ctx;
940 if (wpa_s->off_channel_freq) {
941 wpa_drv_cancel_remain_on_channel(wpa_s);
942 wpa_s->off_channel_freq = 0;
943 wpa_s->roc_waiting_drv_freq = 0;
947 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_FAILURE "status=%d",
949 wpas_p2p_remove_pending_group_interface(wpa_s);
953 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_SUCCESS);
955 if (wpa_s->create_p2p_iface) {
956 struct wpa_supplicant *group_wpa_s =
957 wpas_p2p_init_group_interface(wpa_s, res->role_go);
958 if (group_wpa_s == NULL) {
959 wpas_p2p_remove_pending_group_interface(wpa_s);
962 if (group_wpa_s != wpa_s) {
963 os_memcpy(group_wpa_s->p2p_pin, wpa_s->p2p_pin,
964 sizeof(group_wpa_s->p2p_pin));
965 group_wpa_s->p2p_wps_method = wpa_s->p2p_wps_method;
967 os_memset(wpa_s->pending_interface_addr, 0, ETH_ALEN);
968 wpa_s->pending_interface_name[0] = '\0';
969 group_wpa_s->p2p_in_provisioning = 1;
972 wpas_start_wps_go(group_wpa_s, res, 1);
974 wpas_start_wps_enrollee(group_wpa_s, res);
976 wpa_s->p2p_in_provisioning = 1;
977 wpa_s->global->p2p_group_formation = wpa_s;
980 wpas_start_wps_go(wpa_s, res, 1);
982 wpas_start_wps_enrollee(ctx, res);
985 wpa_s->p2p_long_listen = 0;
986 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
988 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
989 eloop_register_timeout(15 + res->peer_config_timeout / 100,
990 (res->peer_config_timeout % 100) * 10000,
991 wpas_p2p_group_formation_timeout, wpa_s, NULL);
995 void wpas_go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
997 struct wpa_supplicant *wpa_s = ctx;
998 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_GO_NEG_REQUEST MACSTR
999 " dev_passwd_id=%u", MAC2STR(src), dev_passwd_id);
1003 void wpas_dev_found(void *ctx, const u8 *addr, const u8 *dev_addr,
1004 const u8 *pri_dev_type, const char *dev_name,
1005 u16 config_methods, u8 dev_capab, u8 group_capab)
1007 struct wpa_supplicant *wpa_s = ctx;
1008 char devtype[WPS_DEV_TYPE_BUFSIZE];
1009 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_DEVICE_FOUND MACSTR
1010 " p2p_dev_addr=" MACSTR
1011 " pri_dev_type=%s name='%s' config_methods=0x%x "
1012 "dev_capab=0x%x group_capab=0x%x",
1013 MAC2STR(addr), MAC2STR(dev_addr),
1014 wps_dev_type_bin2str(pri_dev_type, devtype, sizeof(devtype)),
1015 dev_name, config_methods, dev_capab, group_capab);
1019 static int wpas_start_listen(void *ctx, unsigned int freq,
1020 unsigned int duration,
1021 const struct wpabuf *probe_resp_ie)
1023 struct wpa_supplicant *wpa_s = ctx;
1025 wpa_drv_set_ap_wps_ie(wpa_s, NULL, probe_resp_ie, NULL);
1027 if (wpa_drv_probe_req_report(wpa_s, 1) < 0) {
1028 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver to "
1029 "report received Probe Request frames");
1033 wpa_s->pending_listen_freq = freq;
1034 wpa_s->pending_listen_duration = duration;
1036 if (wpa_drv_remain_on_channel(wpa_s, freq, duration) < 0) {
1037 wpa_printf(MSG_DEBUG, "P2P: Failed to request the driver "
1038 "to remain on channel (%u MHz) for Listen "
1040 wpa_s->pending_listen_freq = 0;
1043 wpa_s->roc_waiting_drv_freq = freq;
1049 static void wpas_stop_listen(void *ctx)
1051 struct wpa_supplicant *wpa_s = ctx;
1052 if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) {
1053 wpa_drv_cancel_remain_on_channel(wpa_s);
1054 wpa_s->off_channel_freq = 0;
1055 wpa_s->roc_waiting_drv_freq = 0;
1057 wpa_drv_probe_req_report(wpa_s, 0);
1061 static int wpas_send_probe_resp(void *ctx, const struct wpabuf *buf)
1063 struct wpa_supplicant *wpa_s = ctx;
1064 return wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf));
1068 static struct p2p_srv_bonjour *
1069 wpas_p2p_service_get_bonjour(struct wpa_supplicant *wpa_s,
1070 const struct wpabuf *query)
1072 struct p2p_srv_bonjour *bsrv;
1075 len = wpabuf_len(query);
1076 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1077 struct p2p_srv_bonjour, list) {
1078 if (len == wpabuf_len(bsrv->query) &&
1079 os_memcmp(wpabuf_head(query), wpabuf_head(bsrv->query),
1087 static struct p2p_srv_upnp *
1088 wpas_p2p_service_get_upnp(struct wpa_supplicant *wpa_s, u8 version,
1089 const char *service)
1091 struct p2p_srv_upnp *usrv;
1093 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1094 struct p2p_srv_upnp, list) {
1095 if (version == usrv->version &&
1096 os_strcmp(service, usrv->service) == 0)
1103 static void wpas_sd_add_proto_not_avail(struct wpabuf *resp, u8 srv_proto,
1108 if (wpabuf_tailroom(resp) < 5)
1111 /* Length (to be filled) */
1112 len_pos = wpabuf_put(resp, 2);
1113 wpabuf_put_u8(resp, srv_proto);
1114 wpabuf_put_u8(resp, srv_trans_id);
1116 wpabuf_put_u8(resp, P2P_SD_PROTO_NOT_AVAILABLE);
1117 /* Response Data: empty */
1118 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1122 static void wpas_sd_all_bonjour(struct wpa_supplicant *wpa_s,
1123 struct wpabuf *resp, u8 srv_trans_id)
1125 struct p2p_srv_bonjour *bsrv;
1128 wpa_printf(MSG_DEBUG, "P2P: SD Request for all Bonjour services");
1130 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1131 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1135 dl_list_for_each(bsrv, &wpa_s->global->p2p_srv_bonjour,
1136 struct p2p_srv_bonjour, list) {
1137 if (wpabuf_tailroom(resp) <
1138 5 + wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp))
1140 /* Length (to be filled) */
1141 len_pos = wpabuf_put(resp, 2);
1142 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1143 wpabuf_put_u8(resp, srv_trans_id);
1145 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1146 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1147 wpabuf_head(bsrv->resp),
1148 wpabuf_len(bsrv->resp));
1150 wpabuf_put_buf(resp, bsrv->query); /* Key */
1151 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1152 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1158 static void wpas_sd_req_bonjour(struct wpa_supplicant *wpa_s,
1159 struct wpabuf *resp, u8 srv_trans_id,
1160 const u8 *query, size_t query_len)
1162 struct p2p_srv_bonjour *bsrv;
1166 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for Bonjour",
1168 if (dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1169 wpa_printf(MSG_DEBUG, "P2P: Bonjour protocol not available");
1170 wpas_sd_add_proto_not_avail(resp, P2P_SERV_BONJOUR,
1175 if (query_len == 0) {
1176 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1180 if (wpabuf_tailroom(resp) < 5)
1182 /* Length (to be filled) */
1183 len_pos = wpabuf_put(resp, 2);
1184 wpabuf_put_u8(resp, P2P_SERV_BONJOUR);
1185 wpabuf_put_u8(resp, srv_trans_id);
1187 wpabuf_set(&buf, query, query_len);
1188 bsrv = wpas_p2p_service_get_bonjour(wpa_s, &buf);
1190 wpa_printf(MSG_DEBUG, "P2P: Requested Bonjour service not "
1194 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
1195 /* Response Data: empty */
1196 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1202 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1203 wpa_hexdump_ascii(MSG_DEBUG, "P2P: Matching Bonjour service",
1204 wpabuf_head(bsrv->resp), wpabuf_len(bsrv->resp));
1206 if (wpabuf_tailroom(resp) >=
1207 wpabuf_len(bsrv->query) + wpabuf_len(bsrv->resp)) {
1209 wpabuf_put_buf(resp, bsrv->query); /* Key */
1210 wpabuf_put_buf(resp, bsrv->resp); /* Value */
1212 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1216 static void wpas_sd_all_upnp(struct wpa_supplicant *wpa_s,
1217 struct wpabuf *resp, u8 srv_trans_id)
1219 struct p2p_srv_upnp *usrv;
1222 wpa_printf(MSG_DEBUG, "P2P: SD Request for all UPnP services");
1224 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1225 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1229 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1230 struct p2p_srv_upnp, list) {
1231 if (wpabuf_tailroom(resp) < 5 + 1 + os_strlen(usrv->service))
1234 /* Length (to be filled) */
1235 len_pos = wpabuf_put(resp, 2);
1236 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1237 wpabuf_put_u8(resp, srv_trans_id);
1240 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1242 wpabuf_put_u8(resp, usrv->version);
1243 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1245 wpabuf_put_str(resp, usrv->service);
1246 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos -
1252 static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s,
1253 struct wpabuf *resp, u8 srv_trans_id,
1254 const u8 *query, size_t query_len)
1256 struct p2p_srv_upnp *usrv;
1262 wpa_hexdump_ascii(MSG_DEBUG, "P2P: SD Request for UPnP",
1265 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp)) {
1266 wpa_printf(MSG_DEBUG, "P2P: UPnP protocol not available");
1267 wpas_sd_add_proto_not_avail(resp, P2P_SERV_UPNP,
1272 if (query_len == 0) {
1273 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1278 str = os_malloc(query_len);
1281 os_memcpy(str, query + 1, query_len - 1);
1282 str[query_len - 1] = '\0';
1284 if (wpabuf_tailroom(resp) < 5)
1287 /* Length (to be filled) */
1288 len_pos = wpabuf_put(resp, 2);
1289 wpabuf_put_u8(resp, P2P_SERV_UPNP);
1290 wpabuf_put_u8(resp, srv_trans_id);
1292 dl_list_for_each(usrv, &wpa_s->global->p2p_srv_upnp,
1293 struct p2p_srv_upnp, list) {
1294 if (version != usrv->version)
1297 if (os_strcmp(str, "ssdp:all") != 0 &&
1298 os_strstr(usrv->service, str) == NULL)
1301 if (wpabuf_tailroom(resp) < 2)
1305 wpabuf_put_u8(resp, P2P_SD_SUCCESS);
1307 wpabuf_put_u8(resp, version);
1309 wpabuf_put_u8(resp, ',');
1313 wpa_printf(MSG_DEBUG, "P2P: Matching UPnP Service: %s",
1315 if (wpabuf_tailroom(resp) < os_strlen(usrv->service))
1317 wpabuf_put_str(resp, usrv->service);
1321 wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not "
1324 wpabuf_put_u8(resp, P2P_SD_REQUESTED_INFO_NOT_AVAILABLE);
1325 /* Response Data: empty */
1328 WPA_PUT_LE16(len_pos, (u8 *) wpabuf_put(resp, 0) - len_pos - 2);
1332 void wpas_sd_request(void *ctx, int freq, const u8 *sa, u8 dialog_token,
1333 u16 update_indic, const u8 *tlvs, size_t tlvs_len)
1335 struct wpa_supplicant *wpa_s = ctx;
1336 const u8 *pos = tlvs;
1337 const u8 *end = tlvs + tlvs_len;
1340 struct wpabuf *resp;
1341 u8 srv_proto, srv_trans_id;
1345 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Request TLVs",
1347 buf_len = 2 * tlvs_len + 1;
1348 buf = os_malloc(buf_len);
1350 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1351 wpa_msg_ctrl(wpa_s, MSG_INFO, P2P_EVENT_SERV_DISC_REQ "%d "
1353 freq, MAC2STR(sa), dialog_token, update_indic,
1358 if (wpa_s->p2p_sd_over_ctrl_iface)
1359 return; /* to be processed by an external program */
1361 resp = wpabuf_alloc(10000);
1365 while (pos + 1 < end) {
1366 wpa_printf(MSG_DEBUG, "P2P: Service Request TLV");
1367 slen = WPA_GET_LE16(pos);
1369 if (pos + slen > end || slen < 2) {
1370 wpa_printf(MSG_DEBUG, "P2P: Unexpected Query Data "
1375 tlv_end = pos + slen;
1378 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1380 srv_trans_id = *pos++;
1381 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1384 wpa_hexdump(MSG_MSGDUMP, "P2P: Query Data",
1385 pos, tlv_end - pos);
1388 if (wpa_s->force_long_sd) {
1389 wpa_printf(MSG_DEBUG, "P2P: SD test - force long "
1391 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1392 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1396 switch (srv_proto) {
1397 case P2P_SERV_ALL_SERVICES:
1398 wpa_printf(MSG_DEBUG, "P2P: Service Discovery Request "
1399 "for all services");
1400 if (dl_list_empty(&wpa_s->global->p2p_srv_upnp) &&
1401 dl_list_empty(&wpa_s->global->p2p_srv_bonjour)) {
1402 wpa_printf(MSG_DEBUG, "P2P: No service "
1403 "discovery protocols available");
1404 wpas_sd_add_proto_not_avail(
1405 resp, P2P_SERV_ALL_SERVICES,
1409 wpas_sd_all_bonjour(wpa_s, resp, srv_trans_id);
1410 wpas_sd_all_upnp(wpa_s, resp, srv_trans_id);
1412 case P2P_SERV_BONJOUR:
1413 wpas_sd_req_bonjour(wpa_s, resp, srv_trans_id,
1414 pos, tlv_end - pos);
1417 wpas_sd_req_upnp(wpa_s, resp, srv_trans_id,
1418 pos, tlv_end - pos);
1421 wpa_printf(MSG_DEBUG, "P2P: Unavailable service "
1422 "protocol %u", srv_proto);
1423 wpas_sd_add_proto_not_avail(resp, srv_proto,
1432 wpas_p2p_sd_response(wpa_s, freq, sa, dialog_token, resp);
1438 void wpas_sd_response(void *ctx, const u8 *sa, u16 update_indic,
1439 const u8 *tlvs, size_t tlvs_len)
1441 struct wpa_supplicant *wpa_s = ctx;
1442 const u8 *pos = tlvs;
1443 const u8 *end = tlvs + tlvs_len;
1449 wpa_hexdump(MSG_MSGDUMP, "P2P: Service Discovery Response TLVs",
1451 if (tlvs_len > 1500) {
1452 /* TODO: better way for handling this */
1453 wpa_msg_ctrl(wpa_s, MSG_INFO,
1454 P2P_EVENT_SERV_DISC_RESP MACSTR
1455 " %u <long response: %u bytes>",
1456 MAC2STR(sa), update_indic,
1457 (unsigned int) tlvs_len);
1459 buf_len = 2 * tlvs_len + 1;
1460 buf = os_malloc(buf_len);
1462 wpa_snprintf_hex(buf, buf_len, tlvs, tlvs_len);
1463 wpa_msg_ctrl(wpa_s, MSG_INFO,
1464 P2P_EVENT_SERV_DISC_RESP MACSTR " %u %s",
1465 MAC2STR(sa), update_indic, buf);
1471 u8 srv_proto, srv_trans_id, status;
1473 wpa_printf(MSG_DEBUG, "P2P: Service Response TLV");
1474 slen = WPA_GET_LE16(pos);
1476 if (pos + slen > end || slen < 3) {
1477 wpa_printf(MSG_DEBUG, "P2P: Unexpected Response Data "
1481 tlv_end = pos + slen;
1484 wpa_printf(MSG_DEBUG, "P2P: Service Protocol Type %u",
1486 srv_trans_id = *pos++;
1487 wpa_printf(MSG_DEBUG, "P2P: Service Transaction ID %u",
1490 wpa_printf(MSG_DEBUG, "P2P: Status Code ID %u",
1493 wpa_hexdump(MSG_MSGDUMP, "P2P: Response Data",
1494 pos, tlv_end - pos);
1501 void * wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst,
1502 const struct wpabuf *tlvs)
1504 return p2p_sd_request(wpa_s->global->p2p, dst, tlvs);
1508 void * wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
1509 u8 version, const char *query)
1511 struct wpabuf *tlvs;
1514 tlvs = wpabuf_alloc(2 + 1 + 1 + 1 + os_strlen(query));
1517 wpabuf_put_le16(tlvs, 1 + 1 + 1 + os_strlen(query));
1518 wpabuf_put_u8(tlvs, P2P_SERV_UPNP); /* Service Protocol Type */
1519 wpabuf_put_u8(tlvs, 1); /* Service Transaction ID */
1520 wpabuf_put_u8(tlvs, version);
1521 wpabuf_put_str(tlvs, query);
1522 ret = wpas_p2p_sd_request(wpa_s, dst, tlvs);
1528 int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, void *req)
1530 return p2p_sd_cancel_request(wpa_s->global->p2p, req);
1534 void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq,
1535 const u8 *dst, u8 dialog_token,
1536 const struct wpabuf *resp_tlvs)
1538 p2p_sd_response(wpa_s->global->p2p, freq, dst, dialog_token,
1543 void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s)
1545 p2p_sd_service_update(wpa_s->global->p2p);
1549 static void wpas_p2p_srv_bonjour_free(struct p2p_srv_bonjour *bsrv)
1551 dl_list_del(&bsrv->list);
1552 wpabuf_free(bsrv->query);
1553 wpabuf_free(bsrv->resp);
1558 static void wpas_p2p_srv_upnp_free(struct p2p_srv_upnp *usrv)
1560 dl_list_del(&usrv->list);
1561 os_free(usrv->service);
1566 void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
1568 struct p2p_srv_bonjour *bsrv, *bn;
1569 struct p2p_srv_upnp *usrv, *un;
1571 dl_list_for_each_safe(bsrv, bn, &wpa_s->global->p2p_srv_bonjour,
1572 struct p2p_srv_bonjour, list)
1573 wpas_p2p_srv_bonjour_free(bsrv);
1575 dl_list_for_each_safe(usrv, un, &wpa_s->global->p2p_srv_upnp,
1576 struct p2p_srv_upnp, list)
1577 wpas_p2p_srv_upnp_free(usrv);
1579 wpas_p2p_sd_service_update(wpa_s);
1583 int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
1584 struct wpabuf *query, struct wpabuf *resp)
1586 struct p2p_srv_bonjour *bsrv;
1588 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1591 wpabuf_free(bsrv->resp);
1596 bsrv = os_zalloc(sizeof(*bsrv));
1599 bsrv->query = query;
1601 dl_list_add(&wpa_s->global->p2p_srv_bonjour, &bsrv->list);
1603 wpas_p2p_sd_service_update(wpa_s);
1608 int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
1609 const struct wpabuf *query)
1611 struct p2p_srv_bonjour *bsrv;
1613 bsrv = wpas_p2p_service_get_bonjour(wpa_s, query);
1616 wpas_p2p_srv_bonjour_free(bsrv);
1617 wpas_p2p_sd_service_update(wpa_s);
1622 int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
1623 const char *service)
1625 struct p2p_srv_upnp *usrv;
1627 if (wpas_p2p_service_get_upnp(wpa_s, version, service))
1628 return 0; /* Already listed */
1629 usrv = os_zalloc(sizeof(*usrv));
1632 usrv->version = version;
1633 usrv->service = os_strdup(service);
1634 if (usrv->service == NULL) {
1638 dl_list_add(&wpa_s->global->p2p_srv_upnp, &usrv->list);
1640 wpas_p2p_sd_service_update(wpa_s);
1645 int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
1646 const char *service)
1648 struct p2p_srv_upnp *usrv;
1650 usrv = wpas_p2p_service_get_upnp(wpa_s, version, service);
1653 wpas_p2p_srv_upnp_free(usrv);
1654 wpas_p2p_sd_service_update(wpa_s);
1659 static void wpas_prov_disc_local_display(struct wpa_supplicant *wpa_s,
1660 const u8 *peer, const char *params)
1662 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR " %08d%s",
1663 MAC2STR(peer), wps_generate_pin(), params);
1667 static void wpas_prov_disc_local_keypad(struct wpa_supplicant *wpa_s,
1668 const u8 *peer, const char *params)
1670 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR "%s",
1671 MAC2STR(peer), params);
1675 void wpas_prov_disc_req(void *ctx, const u8 *peer, u16 config_methods,
1676 const u8 *dev_addr, const u8 *pri_dev_type,
1677 const char *dev_name, u16 supp_config_methods,
1678 u8 dev_capab, u8 group_capab)
1680 struct wpa_supplicant *wpa_s = ctx;
1681 char devtype[WPS_DEV_TYPE_BUFSIZE];
1683 u8 empty_dev_type[8];
1685 if (pri_dev_type == NULL) {
1686 os_memset(empty_dev_type, 0, sizeof(empty_dev_type));
1687 pri_dev_type = empty_dev_type;
1689 os_snprintf(params, sizeof(params), " p2p_dev_addr=" MACSTR
1690 " pri_dev_type=%s name='%s' config_methods=0x%x "
1691 "dev_capab=0x%x group_capab=0x%x",
1693 wps_dev_type_bin2str(pri_dev_type, devtype,
1695 dev_name, supp_config_methods, dev_capab, group_capab);
1696 params[sizeof(params) - 1] = '\0';
1698 if (config_methods & WPS_CONFIG_DISPLAY)
1699 wpas_prov_disc_local_display(wpa_s, peer, params);
1700 else if (config_methods & WPS_CONFIG_KEYPAD)
1701 wpas_prov_disc_local_keypad(wpa_s, peer, params);
1702 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
1703 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_REQ MACSTR
1704 "%s", MAC2STR(peer), params);
1708 void wpas_prov_disc_resp(void *ctx, const u8 *peer, u16 config_methods)
1710 struct wpa_supplicant *wpa_s = ctx;
1711 if (config_methods & WPS_CONFIG_DISPLAY)
1712 wpas_prov_disc_local_keypad(wpa_s, peer, "");
1713 else if (config_methods & WPS_CONFIG_KEYPAD)
1714 wpas_prov_disc_local_display(wpa_s, peer, "");
1715 else if (config_methods & WPS_CONFIG_PUSHBUTTON)
1716 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_PROV_DISC_PBC_RESP MACSTR,
1719 if (wpa_s->pending_pd_before_join &&
1720 (os_memcmp(peer, wpa_s->pending_join_dev_addr, ETH_ALEN) == 0 ||
1721 os_memcmp(peer, wpa_s->pending_join_iface_addr, ETH_ALEN) == 0)) {
1722 wpa_s->pending_pd_before_join = 0;
1723 wpa_printf(MSG_DEBUG, "P2P: Starting pending "
1724 "join-existing-group operation");
1725 wpas_p2p_join_start(wpa_s);
1730 static u8 wpas_invitation_process(void *ctx, const u8 *sa, const u8 *bssid,
1731 const u8 *go_dev_addr, const u8 *ssid,
1732 size_t ssid_len, int *go, u8 *group_bssid,
1733 int *force_freq, int persistent_group)
1735 struct wpa_supplicant *wpa_s = ctx;
1737 u8 cur_bssid[ETH_ALEN];
1740 if (!persistent_group) {
1741 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1742 " to join an active group", MAC2STR(sa));
1743 if (!is_zero_ether_addr(wpa_s->p2p_auth_invite) &&
1744 (os_memcmp(go_dev_addr, wpa_s->p2p_auth_invite, ETH_ALEN)
1746 os_memcmp(sa, wpa_s->p2p_auth_invite, ETH_ALEN) == 0)) {
1747 wpa_printf(MSG_DEBUG, "P2P: Accept previously "
1748 "authorized invitation");
1752 * Do not accept the invitation automatically; notify user and
1755 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1758 if (!wpa_s->conf->persistent_reconnect)
1759 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
1761 for (s = wpa_s->conf->ssid; s; s = s->next) {
1762 if (s->disabled == 2 &&
1763 os_memcmp(s->bssid, go_dev_addr, ETH_ALEN) == 0 &&
1764 s->ssid_len == ssid_len &&
1765 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1770 wpa_printf(MSG_DEBUG, "P2P: Invitation from " MACSTR
1771 " requested reinvocation of an unknown group",
1773 return P2P_SC_FAIL_UNKNOWN_GROUP;
1776 if (s->mode == WPAS_MODE_P2P_GO && !wpas_p2p_create_iface(wpa_s)) {
1778 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
1779 wpa_printf(MSG_DEBUG, "P2P: The only available "
1780 "interface is already in use - reject "
1782 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1784 os_memcpy(group_bssid, wpa_s->own_addr, ETH_ALEN);
1785 } else if (s->mode == WPAS_MODE_P2P_GO) {
1787 if (wpas_p2p_add_group_interface(wpa_s, WPA_IF_P2P_GO) < 0)
1789 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
1790 "interface address for the group");
1791 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE;
1793 os_memcpy(group_bssid, wpa_s->pending_interface_addr,
1798 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, cur_bssid) == 0 &&
1799 wpa_s->assoc_freq) {
1800 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1801 "the channel we are already using");
1802 *force_freq = wpa_s->assoc_freq;
1805 res = wpa_drv_shared_freq(wpa_s);
1807 wpa_printf(MSG_DEBUG, "P2P: Trying to force channel to match "
1808 "with the channel we are already using on a "
1809 "shared interface");
1813 return P2P_SC_SUCCESS;
1817 static void wpas_invitation_received(void *ctx, const u8 *sa, const u8 *bssid,
1818 const u8 *ssid, size_t ssid_len,
1819 const u8 *go_dev_addr, u8 status,
1822 struct wpa_supplicant *wpa_s = ctx;
1825 for (s = wpa_s->conf->ssid; s; s = s->next) {
1826 if (s->disabled == 2 &&
1827 s->ssid_len == ssid_len &&
1828 os_memcmp(ssid, s->ssid, ssid_len) == 0)
1832 if (status == P2P_SC_SUCCESS) {
1833 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
1834 " was accepted; op_freq=%d MHz",
1835 MAC2STR(sa), op_freq);
1837 wpas_p2p_group_add_persistent(
1838 wpa_s, s, s->mode == WPAS_MODE_P2P_GO, 0);
1840 wpas_p2p_join(wpa_s, bssid, go_dev_addr,
1841 wpa_s->p2p_wps_method);
1846 if (status != P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE) {
1847 wpa_printf(MSG_DEBUG, "P2P: Invitation from peer " MACSTR
1848 " was rejected (status %u)", MAC2STR(sa), status);
1854 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
1855 "sa=" MACSTR " go_dev_addr=" MACSTR
1856 " bssid=" MACSTR " unknown-network",
1857 MAC2STR(sa), MAC2STR(go_dev_addr),
1860 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED
1861 "sa=" MACSTR " go_dev_addr=" MACSTR
1863 MAC2STR(sa), MAC2STR(go_dev_addr));
1868 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RECEIVED "sa=" MACSTR
1869 " persistent=%d", MAC2STR(sa), s->id);
1873 static void wpas_invitation_result(void *ctx, int status, const u8 *bssid)
1875 struct wpa_supplicant *wpa_s = ctx;
1876 struct wpa_ssid *ssid;
1879 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
1880 "status=%d " MACSTR,
1881 status, MAC2STR(bssid));
1883 wpa_msg(wpa_s, MSG_INFO, P2P_EVENT_INVITATION_RESULT
1884 "status=%d ", status);
1887 if (wpa_s->pending_invite_ssid_id == -1)
1888 return; /* Invitation to active group */
1890 if (status != P2P_SC_SUCCESS) {
1891 wpas_p2p_remove_pending_group_interface(wpa_s);
1895 ssid = wpa_config_get_network(wpa_s->conf,
1896 wpa_s->pending_invite_ssid_id);
1898 wpa_printf(MSG_ERROR, "P2P: Could not find persistent group "
1899 "data matching with invitation");
1903 wpas_p2p_group_add_persistent(wpa_s, ssid,
1904 ssid->mode == WPAS_MODE_P2P_GO, 0);
1908 static int wpas_p2p_default_channels(struct wpa_supplicant *wpa_s,
1909 struct p2p_channels *chan)
1913 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for 2.4 GHz "
1916 /* Operating class 81 - 2.4 GHz band channels 1..13 */
1917 chan->reg_class[cla].reg_class = 81;
1918 chan->reg_class[cla].channels = 11;
1919 for (i = 0; i < 11; i++)
1920 chan->reg_class[cla].channel[i] = i + 1;
1923 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for lower 5 GHz "
1926 /* Operating class 115 - 5 GHz, channels 36-48 */
1927 chan->reg_class[cla].reg_class = 115;
1928 chan->reg_class[cla].channels = 4;
1929 chan->reg_class[cla].channel[0] = 36;
1930 chan->reg_class[cla].channel[1] = 40;
1931 chan->reg_class[cla].channel[2] = 44;
1932 chan->reg_class[cla].channel[3] = 48;
1935 wpa_printf(MSG_DEBUG, "P2P: Enable operating classes for higher 5 GHz "
1938 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
1939 chan->reg_class[cla].reg_class = 124;
1940 chan->reg_class[cla].channels = 4;
1941 chan->reg_class[cla].channel[0] = 149;
1942 chan->reg_class[cla].channel[1] = 153;
1943 chan->reg_class[cla].channel[2] = 157;
1944 chan->reg_class[cla].channel[3] = 161;
1947 chan->reg_classes = cla;
1952 static struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes,
1954 enum hostapd_hw_mode mode)
1958 for (i = 0; i < num_modes; i++) {
1959 if (modes[i].mode == mode)
1967 static int has_channel(struct hostapd_hw_modes *mode, u8 chan)
1971 for (i = 0; i < mode->num_channels; i++) {
1972 if (mode->channels[i].chan == chan) {
1973 return !(mode->channels[i].flag &
1974 (HOSTAPD_CHAN_DISABLED |
1975 HOSTAPD_CHAN_PASSIVE_SCAN |
1976 HOSTAPD_CHAN_NO_IBSS |
1977 HOSTAPD_CHAN_RADAR));
1985 struct p2p_oper_class_map {
1986 enum hostapd_hw_mode mode;
1993 static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
1994 struct p2p_channels *chan)
1996 struct hostapd_hw_modes *modes, *mode;
1997 u16 num_modes, flags;
1999 struct p2p_oper_class_map op_class[] = {
2000 { HOSTAPD_MODE_IEEE80211G, 81, 1, 13, 1 },
2001 { HOSTAPD_MODE_IEEE80211G, 82, 14, 14, 1 },
2002 { HOSTAPD_MODE_IEEE80211A, 115, 36, 48, 4 },
2003 { HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4 },
2004 #if 0 /* TODO: 40 MHz channels */
2005 { HOSTAPD_MODE_IEEE80211G, 83, 1, 9, 1 },
2006 { HOSTAPD_MODE_IEEE80211G, 84, 5, 13, 1 },
2007 { HOSTAPD_MODE_IEEE80211A, 116, 36, 44, 8 },
2008 { HOSTAPD_MODE_IEEE80211A, 117, 40, 48, 8 },
2009 { HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8 },
2010 { HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8 },
2015 modes = wpa_drv_get_hw_feature_data(wpa_s, &num_modes, &flags);
2016 if (modes == NULL) {
2017 wpa_printf(MSG_DEBUG, "P2P: Driver did not support fetching "
2018 "of all supported channels; assume dualband "
2020 return wpas_p2p_default_channels(wpa_s, chan);
2025 for (op = 0; op_class[op].op_class; op++) {
2026 struct p2p_oper_class_map *o = &op_class[op];
2028 struct p2p_reg_class *reg = NULL;
2030 mode = get_mode(modes, num_modes, o->mode);
2033 for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) {
2034 if (!has_channel(mode, ch))
2037 wpa_printf(MSG_DEBUG, "P2P: Add operating "
2038 "class %u", o->op_class);
2039 reg = &chan->reg_class[cla];
2041 reg->reg_class = o->op_class;
2043 reg->channel[reg->channels] = ch;
2047 wpa_hexdump(MSG_DEBUG, "P2P: Channels",
2048 reg->channel, reg->channels);
2052 chan->reg_classes = cla;
2054 ieee80211_sta_free_hw_features(modes, num_modes);
2060 static int wpas_get_noa(void *ctx, const u8 *interface_addr, u8 *buf,
2063 struct wpa_supplicant *wpa_s = ctx;
2065 for (wpa_s = wpa_s->global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2066 if (os_memcmp(wpa_s->own_addr, interface_addr, ETH_ALEN) == 0)
2072 return wpa_drv_get_noa(wpa_s, buf, buf_len);
2077 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
2078 * @global: Pointer to global data from wpa_supplicant_init()
2079 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2080 * Returns: 0 on success, -1 on failure
2082 int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
2084 struct p2p_config p2p;
2088 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
2091 #ifdef CONFIG_CLIENT_MLME
2092 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)) {
2093 wpa_s->mlme.public_action_cb = p2p_rx_action_mlme;
2094 wpa_s->mlme.public_action_cb_ctx = wpa_s;
2096 #endif /* CONFIG_CLIENT_MLME */
2098 if (wpa_drv_disable_11b_rates(wpa_s, 1) < 0) {
2099 wpa_printf(MSG_DEBUG, "P2P: Failed to disable 11b rates");
2100 /* Continue anyway; this is not really a fatal error */
2106 os_memset(&p2p, 0, sizeof(p2p));
2107 p2p.msg_ctx = wpa_s;
2109 p2p.p2p_scan = wpas_p2p_scan;
2110 p2p.send_action = wpas_send_action;
2111 p2p.send_action_done = wpas_send_action_done;
2112 p2p.go_neg_completed = wpas_go_neg_completed;
2113 p2p.go_neg_req_rx = wpas_go_neg_req_rx;
2114 p2p.dev_found = wpas_dev_found;
2115 p2p.start_listen = wpas_start_listen;
2116 p2p.stop_listen = wpas_stop_listen;
2117 p2p.send_probe_resp = wpas_send_probe_resp;
2118 p2p.sd_request = wpas_sd_request;
2119 p2p.sd_response = wpas_sd_response;
2120 p2p.prov_disc_req = wpas_prov_disc_req;
2121 p2p.prov_disc_resp = wpas_prov_disc_resp;
2122 p2p.invitation_process = wpas_invitation_process;
2123 p2p.invitation_received = wpas_invitation_received;
2124 p2p.invitation_result = wpas_invitation_result;
2125 p2p.get_noa = wpas_get_noa;
2127 os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
2128 os_memcpy(p2p.dev_addr, wpa_s->own_addr, ETH_ALEN);
2129 p2p.dev_name = wpa_s->conf->device_name;
2131 if (wpa_s->conf->p2p_listen_reg_class &&
2132 wpa_s->conf->p2p_listen_channel) {
2133 p2p.reg_class = wpa_s->conf->p2p_listen_reg_class;
2134 p2p.channel = wpa_s->conf->p2p_listen_channel;
2138 * Pick one of the social channels randomly as the listen
2141 os_get_random((u8 *) &r, sizeof(r));
2142 p2p.channel = 1 + (r % 3) * 5;
2145 if (wpa_s->conf->p2p_oper_reg_class &&
2146 wpa_s->conf->p2p_oper_channel) {
2147 p2p.op_reg_class = wpa_s->conf->p2p_oper_reg_class;
2148 p2p.op_channel = wpa_s->conf->p2p_oper_channel;
2150 p2p.op_reg_class = 81;
2152 * For initial tests, pick the operation channel randomly.
2153 * TODO: Use scan results (etc.) to select the best channel.
2155 p2p.op_channel = 1 + r % 11;
2157 wpa_printf(MSG_DEBUG, "P2P: Own listen channel: %d "
2158 "Own preferred operation channel: %d",
2159 p2p.channel, p2p.op_channel);
2160 if (wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
2161 os_memcpy(p2p.country, wpa_s->conf->country, 2);
2162 p2p.country[2] = 0x04;
2164 os_memcpy(p2p.country, "US\x04", 3);
2166 if (wpas_p2p_setup_channels(wpa_s, &p2p.channels)) {
2167 wpa_printf(MSG_ERROR, "P2P: Failed to configure supported "
2172 if (wpa_s->conf->device_type &&
2173 wps_dev_type_str2bin(wpa_s->conf->device_type, p2p.pri_dev_type) <
2175 wpa_printf(MSG_ERROR, "P2P: Invalid device_type");
2179 for (i = 0; i < MAX_SEC_DEVICE_TYPES; i++) {
2180 if (wpa_s->conf->sec_device_type[i] == NULL)
2182 if (wps_dev_type_str2bin(
2183 wpa_s->conf->sec_device_type[i],
2184 p2p.sec_dev_type[p2p.num_sec_dev_types]) < 0) {
2185 wpa_printf(MSG_ERROR, "P2P: Invalid sec_device_type");
2188 p2p.num_sec_dev_types++;
2189 if (p2p.num_sec_dev_types == P2P_SEC_DEVICE_TYPES)
2193 p2p.concurrent_operations = !!(wpa_s->drv_flags &
2194 WPA_DRIVER_FLAGS_P2P_CONCURRENT);
2196 p2p.max_peers = wpa_s->max_stations ? wpa_s->max_stations : 100;
2198 if (wpa_s->conf->p2p_ssid_postfix) {
2199 p2p.ssid_postfix_len =
2200 os_strlen(wpa_s->conf->p2p_ssid_postfix);
2201 if (p2p.ssid_postfix_len > sizeof(p2p.ssid_postfix))
2202 p2p.ssid_postfix_len = sizeof(p2p.ssid_postfix);
2203 os_memcpy(p2p.ssid_postfix, wpa_s->conf->p2p_ssid_postfix,
2204 p2p.ssid_postfix_len);
2207 p2p.p2p_intra_bss = wpa_s->conf->p2p_intra_bss;
2209 global->p2p = p2p_init(&p2p);
2210 if (global->p2p == NULL)
2218 * wpas_p2p_deinit - Deinitialize per-interface P2P data
2219 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2221 * This function deinitialize per-interface P2P data.
2223 void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
2225 if (wpa_s->driver && wpa_s->drv_priv)
2226 wpa_drv_probe_req_report(wpa_s, 0);
2227 os_free(wpa_s->go_params);
2228 wpa_s->go_params = NULL;
2229 wpabuf_free(wpa_s->pending_action_tx);
2230 wpa_s->pending_action_tx = NULL;
2231 eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL);
2232 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
2233 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2234 wpa_s->p2p_long_listen = 0;
2235 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
2236 wpas_p2p_remove_pending_group_interface(wpa_s);
2238 /* TODO: remove group interface from the driver if this wpa_s instance
2239 * is on top of a P2P group interface */
2244 * wpas_p2p_deinit_global - Deinitialize global P2P module
2245 * @global: Pointer to global data from wpa_supplicant_init()
2247 * This function deinitializes the global (per device) P2P module.
2249 void wpas_p2p_deinit_global(struct wpa_global *global)
2251 struct wpa_supplicant *wpa_s, *tmp;
2254 if (global->p2p == NULL)
2257 /* Remove remaining P2P group interfaces */
2258 wpa_s = global->ifaces;
2260 wpas_p2p_service_flush(wpa_s);
2261 while (wpa_s && wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
2262 wpa_s = wpa_s->next;
2264 enum wpa_driver_if_type type;
2265 tmp = global->ifaces;
2268 tmp->p2p_group_interface == NOT_P2P_GROUP_INTERFACE)) {
2273 ifname = os_strdup(tmp->ifname);
2274 type = wpas_p2p_if_type(tmp->p2p_group_interface);
2275 wpa_supplicant_remove_iface(global, tmp);
2277 wpa_drv_if_remove(wpa_s, type, ifname);
2282 * Deinit GO data on any possibly remaining interface (if main
2283 * interface is used as GO).
2285 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2286 if (wpa_s->ap_iface)
2287 wpas_p2p_group_deinit(wpa_s);
2290 p2p_deinit(global->p2p);
2295 static int wpas_p2p_create_iface(struct wpa_supplicant *wpa_s)
2297 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
2298 return 1; /* P2P group requires a new interface in every case
2300 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CONCURRENT))
2301 return 0; /* driver does not support concurrent operations */
2302 if (wpa_s->global->ifaces->next)
2303 return 1; /* more that one interface already in use */
2304 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2305 return 1; /* this interface is already in use */
2310 static int wpas_p2p_start_go_neg(struct wpa_supplicant *wpa_s,
2311 const u8 *peer_addr,
2312 enum p2p_wps_method wps_method,
2313 int go_intent, const u8 *own_interface_addr,
2314 unsigned int force_freq, int persistent_group)
2316 return p2p_connect(wpa_s->global->p2p, peer_addr, wps_method,
2317 go_intent, own_interface_addr, force_freq,
2322 static int wpas_p2p_auth_go_neg(struct wpa_supplicant *wpa_s,
2323 const u8 *peer_addr,
2324 enum p2p_wps_method wps_method,
2325 int go_intent, const u8 *own_interface_addr,
2326 unsigned int force_freq, int persistent_group)
2328 return p2p_authorize(wpa_s->global->p2p, peer_addr, wps_method,
2329 go_intent, own_interface_addr, force_freq,
2334 static void wpas_p2p_scan_res_join(struct wpa_supplicant *wpa_s,
2335 struct wpa_scan_results *scan_res)
2337 struct wpa_bss *bss;
2340 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2342 if (wpa_s->global->p2p_disabled)
2345 wpa_printf(MSG_DEBUG, "P2P: Scan results received (%d BSS) for join",
2346 scan_res ? (int) scan_res->num : -1);
2349 wpas_p2p_scan_res_handler(wpa_s, scan_res);
2351 freq = p2p_get_oper_freq(wpa_s->global->p2p,
2352 wpa_s->pending_join_iface_addr);
2354 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
2355 "from P2P peer table: %d MHz", freq);
2357 bss = wpa_bss_get_bssid(wpa_s, wpa_s->pending_join_iface_addr);
2360 wpa_printf(MSG_DEBUG, "P2P: Target GO operating frequency "
2361 "from BSS table: %d MHz", freq);
2366 wpa_printf(MSG_DEBUG, "P2P: Send Provision Discovery Request "
2367 "prior to joining an existing group (GO " MACSTR
2369 MAC2STR(wpa_s->pending_join_dev_addr), freq);
2370 wpa_s->pending_pd_before_join = 1;
2372 switch (wpa_s->pending_join_wps_method) {
2374 case WPS_PIN_DISPLAY:
2375 method = WPS_CONFIG_KEYPAD;
2377 case WPS_PIN_KEYPAD:
2378 method = WPS_CONFIG_DISPLAY;
2381 method = WPS_CONFIG_PUSHBUTTON;
2388 if (p2p_prov_disc_req(wpa_s->global->p2p,
2389 wpa_s->pending_join_dev_addr, method, 1)
2391 wpa_printf(MSG_DEBUG, "P2P: Failed to send Provision "
2392 "Discovery Request before joining an "
2394 wpa_s->pending_pd_before_join = 0;
2399 * Actual join operation will be started from the Action frame
2400 * TX status callback.
2405 wpa_printf(MSG_DEBUG, "P2P: Target BSS/GO not yet in BSS table - "
2406 "cannot send Provision Discovery Request");
2409 /* Start join operation immediately */
2410 wpas_p2p_join_start(wpa_s);
2414 static void wpas_p2p_join_scan(void *eloop_ctx, void *timeout_ctx)
2416 struct wpa_supplicant *wpa_s = eloop_ctx;
2418 struct wpa_driver_scan_params params;
2419 struct wpabuf *wps_ie, *ies;
2421 os_memset(¶ms, 0, sizeof(params));
2423 /* P2P Wildcard SSID */
2424 params.num_ssids = 1;
2425 params.ssids[0].ssid = (u8 *) P2P_WILDCARD_SSID;
2426 params.ssids[0].ssid_len = P2P_WILDCARD_SSID_LEN;
2428 wpa_s->wps->dev.p2p = 1;
2429 wps_ie = wps_build_probe_req_ie(0, &wpa_s->wps->dev, wpa_s->wps->uuid,
2431 if (wps_ie == NULL) {
2432 wpas_p2p_scan_res_join(wpa_s, NULL);
2436 ies = wpabuf_alloc(wpabuf_len(wps_ie) + 100);
2438 wpabuf_free(wps_ie);
2439 wpas_p2p_scan_res_join(wpa_s, NULL);
2442 wpabuf_put_buf(ies, wps_ie);
2443 wpabuf_free(wps_ie);
2445 p2p_scan_ie(wpa_s->global->p2p, ies);
2447 params.extra_ies = wpabuf_head(ies);
2448 params.extra_ies_len = wpabuf_len(ies);
2451 * Run a scan to update BSS table and start Provision Discovery once
2452 * the new scan results become available.
2454 wpa_s->scan_res_handler = wpas_p2p_scan_res_join;
2455 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
2456 ret = ieee80211_sta_req_scan(wpa_s, ¶ms);
2458 ret = wpa_drv_scan(wpa_s, ¶ms);
2463 wpa_printf(MSG_DEBUG, "P2P: Failed to start scan for join - "
2465 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
2466 eloop_register_timeout(1, 0, wpas_p2p_join_scan, wpa_s, NULL);
2471 static int wpas_p2p_join(struct wpa_supplicant *wpa_s, const u8 *iface_addr,
2472 const u8 *dev_addr, enum p2p_wps_method wps_method)
2474 wpa_printf(MSG_DEBUG, "P2P: Request to join existing group (iface "
2475 MACSTR " dev " MACSTR ")",
2476 MAC2STR(iface_addr), MAC2STR(dev_addr));
2478 os_memcpy(wpa_s->pending_join_iface_addr, iface_addr, ETH_ALEN);
2479 os_memcpy(wpa_s->pending_join_dev_addr, dev_addr, ETH_ALEN);
2480 wpa_s->pending_join_wps_method = wps_method;
2482 /* Make sure we are not running find during connection establishment */
2483 wpas_p2p_stop_find(wpa_s);
2485 wpas_p2p_join_scan(wpa_s, NULL);
2490 static int wpas_p2p_join_start(struct wpa_supplicant *wpa_s)
2492 struct wpa_supplicant *group;
2493 struct p2p_go_neg_results res;
2495 group = wpas_p2p_get_group_iface(wpa_s, 0, 0);
2498 if (group != wpa_s) {
2499 os_memcpy(group->p2p_pin, wpa_s->p2p_pin,
2500 sizeof(group->p2p_pin));
2501 group->p2p_wps_method = wpa_s->p2p_wps_method;
2504 group->p2p_in_provisioning = 1;
2506 os_memset(&res, 0, sizeof(res));
2507 os_memcpy(res.peer_interface_addr, wpa_s->pending_join_iface_addr,
2509 res.wps_method = wpa_s->pending_join_wps_method;
2510 wpas_start_wps_enrollee(group, &res);
2513 * Allow a longer timeout for join-a-running-group than normal 15
2514 * second group formation timeout since the GO may not have authorized
2515 * our connection yet.
2517 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s, NULL);
2518 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout,
2526 * wpas_p2p_connect - Request P2P Group Formation to be started
2527 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2528 * @peer_addr: Address of the peer P2P Device
2529 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
2530 * @persistent_group: Whether to create a persistent group
2531 * @join: Whether to join an existing group (as a client) instead of starting
2532 * Group Owner negotiation; @peer_addr is BSSID in that case
2533 * @auth: Whether to only authorize the connection instead of doing that and
2534 * initiating Group Owner negotiation
2535 * @go_intent: GO Intent or -1 to use default
2536 * @freq: Frequency for the group or 0 for auto-selection
2537 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
2538 * failure, -2 on failure due to channel not currently available,
2539 * -3 if forced channel is not supported
2541 int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
2542 const char *pin, enum p2p_wps_method wps_method,
2543 int persistent_group, int join, int auth, int go_intent,
2546 int force_freq = 0, oper_freq = 0;
2549 enum wpa_driver_if_type iftype;
2552 go_intent = wpa_s->conf->p2p_go_intent;
2555 wpa_s->p2p_long_listen = 0;
2557 wpa_s->p2p_wps_method = wps_method;
2560 os_strlcpy(wpa_s->p2p_pin, pin, sizeof(wpa_s->p2p_pin));
2561 else if (wps_method == WPS_PIN_DISPLAY) {
2562 ret = wps_generate_pin();
2563 os_snprintf(wpa_s->p2p_pin, sizeof(wpa_s->p2p_pin), "%08d",
2565 wpa_printf(MSG_DEBUG, "P2P: Randomly generated PIN: %s",
2568 wpa_s->p2p_pin[0] = '\0';
2571 u8 iface_addr[ETH_ALEN], dev_addr[ETH_ALEN];
2573 wpa_printf(MSG_DEBUG, "P2P: Authorize invitation to "
2574 "connect a running group from " MACSTR,
2575 MAC2STR(peer_addr));
2576 os_memcpy(wpa_s->p2p_auth_invite, peer_addr, ETH_ALEN);
2579 os_memcpy(dev_addr, peer_addr, ETH_ALEN);
2580 if (p2p_get_interface_addr(wpa_s->global->p2p, peer_addr,
2582 os_memcpy(iface_addr, peer_addr, ETH_ALEN);
2583 p2p_get_dev_addr(wpa_s->global->p2p, peer_addr,
2586 if (wpas_p2p_join(wpa_s, iface_addr, dev_addr, wps_method) <
2592 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
2594 oper_freq = wpa_s->assoc_freq;
2596 oper_freq = wpa_drv_shared_freq(wpa_s);
2602 if (!p2p_supported_freq(wpa_s->global->p2p, freq)) {
2603 wpa_printf(MSG_DEBUG, "P2P: The forced channel "
2604 "(%u MHz) is not supported for P2P uses",
2609 if (oper_freq > 0 && freq != oper_freq &&
2610 !(wpa_s->drv_flags &
2611 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
2612 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
2613 "on %u MHz while connected on another "
2614 "channel (%u MHz)", freq, oper_freq);
2617 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
2618 "requested channel (%u MHz)", freq);
2620 } else if (oper_freq > 0 &&
2621 !p2p_supported_freq(wpa_s->global->p2p, oper_freq)) {
2622 if (!(wpa_s->drv_flags &
2623 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT)) {
2624 wpa_printf(MSG_DEBUG, "P2P: Cannot start P2P group "
2625 "while connected on non-P2P supported "
2626 "channel (%u MHz)", oper_freq);
2629 wpa_printf(MSG_DEBUG, "P2P: Current operating channel "
2630 "(%u MHz) not available for P2P - try to use "
2631 "another channel", oper_freq);
2633 } else if (oper_freq > 0) {
2634 wpa_printf(MSG_DEBUG, "P2P: Trying to force us to use the "
2635 "channel we are already using (%u MHz) on another "
2636 "interface", oper_freq);
2637 force_freq = oper_freq;
2640 wpa_s->create_p2p_iface = wpas_p2p_create_iface(wpa_s);
2642 if (!wpa_s->create_p2p_iface) {
2644 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
2645 go_intent, wpa_s->own_addr,
2646 force_freq, persistent_group)
2651 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method,
2652 go_intent, wpa_s->own_addr,
2653 force_freq, persistent_group) < 0)
2658 /* Prepare to add a new interface for the group */
2659 iftype = WPA_IF_P2P_GROUP;
2661 iftype = WPA_IF_P2P_CLIENT;
2662 else if (go_intent == 15)
2663 iftype = WPA_IF_P2P_GO;
2664 if (wpas_p2p_add_group_interface(wpa_s, iftype) < 0) {
2665 wpa_printf(MSG_ERROR, "P2P: Failed to allocate a new "
2666 "interface for the group");
2671 if (wpas_p2p_auth_go_neg(wpa_s, peer_addr, wps_method,
2673 wpa_s->pending_interface_addr,
2674 force_freq, persistent_group) < 0)
2678 if (wpas_p2p_start_go_neg(wpa_s, peer_addr, wps_method, go_intent,
2679 wpa_s->pending_interface_addr,
2680 force_freq, persistent_group) < 0) {
2681 wpas_p2p_remove_pending_group_interface(wpa_s);
2689 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
2690 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2691 * @freq: Frequency of the channel in MHz
2692 * @duration: Duration of the stay on the channel in milliseconds
2694 * This callback is called when the driver indicates that it has started the
2695 * requested remain-on-channel duration.
2697 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
2698 unsigned int freq, unsigned int duration)
2700 wpa_s->roc_waiting_drv_freq = 0;
2701 wpa_s->off_channel_freq = freq;
2702 wpas_send_action_cb(wpa_s, NULL);
2703 if (wpa_s->off_channel_freq == wpa_s->pending_listen_freq) {
2704 p2p_listen_cb(wpa_s->global->p2p, wpa_s->pending_listen_freq,
2705 wpa_s->pending_listen_duration);
2706 wpa_s->pending_listen_freq = 0;
2711 static int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s,
2712 unsigned int timeout)
2714 /* Limit maximum Listen state time based on driver limitation. */
2715 if (timeout > wpa_s->max_remain_on_chan)
2716 timeout = wpa_s->max_remain_on_chan;
2718 return p2p_listen(wpa_s->global->p2p, timeout);
2723 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
2724 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2725 * @freq: Frequency of the channel in MHz
2727 * This callback is called when the driver indicates that a remain-on-channel
2728 * operation has been completed, i.e., the duration on the requested channel
2731 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
2734 wpa_printf(MSG_DEBUG, "P2P: Cancel remain-on-channel callback "
2735 "(p2p_long_listen=%d pending_action_tx=%p)",
2736 wpa_s->p2p_long_listen, wpa_s->pending_action_tx);
2737 wpa_s->off_channel_freq = 0;
2738 if (p2p_listen_end(wpa_s->global->p2p, freq) > 0)
2739 return; /* P2P module started a new operation */
2740 if (wpa_s->pending_action_tx)
2742 if (wpa_s->p2p_long_listen > 0)
2743 wpa_s->p2p_long_listen -= 5;
2744 if (wpa_s->p2p_long_listen > 0) {
2745 wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state");
2746 wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen * 1000);
2752 * wpas_p2p_group_remove - Remove a P2P group
2753 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2754 * @ifname: Network interface name of the group interface or "*" to remove all
2756 * Returns: 0 on success, -1 on failure
2758 * This function is used to remove a P2P group. This can be used to disconnect
2759 * from a group in which the local end is a P2P Client or to end a P2P Group in
2760 * case the local end is the Group Owner. If a virtual network interface was
2761 * created for this group, that interface will be removed. Otherwise, only the
2762 * configured P2P group network will be removed from the interface.
2764 int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname)
2766 struct wpa_global *global = wpa_s->global;
2768 if (os_strcmp(ifname, "*") == 0) {
2769 struct wpa_supplicant *prev;
2770 wpa_s = global->ifaces;
2773 wpa_s = wpa_s->next;
2774 wpas_p2p_group_delete(prev);
2779 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2780 if (os_strcmp(wpa_s->ifname, ifname) == 0)
2787 wpas_p2p_group_delete(wpa_s);
2793 static void wpas_p2p_init_go_params(struct wpa_supplicant *wpa_s,
2794 struct p2p_go_neg_results *params,
2800 os_memset(params, 0, sizeof(*params));
2801 params->role_go = 1;
2802 params->freq = 2412;
2804 params->freq = freq;
2805 else if (wpa_s->conf->p2p_oper_reg_class == 81 &&
2806 wpa_s->conf->p2p_oper_channel >= 1 &&
2807 wpa_s->conf->p2p_oper_channel <= 11)
2808 params->freq = 2407 + 5 * wpa_s->conf->p2p_oper_channel;
2809 else if (wpa_s->conf->p2p_oper_reg_class == 115 ||
2810 wpa_s->conf->p2p_oper_reg_class == 118)
2811 params->freq = 5000 + 5 * wpa_s->conf->p2p_oper_channel;
2812 if (wpa_s->current_ssid && wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
2813 wpa_s->assoc_freq && !freq) {
2814 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
2816 params->freq = wpa_s->assoc_freq;
2819 res = wpa_drv_shared_freq(wpa_s);
2820 if (res > 0 && !freq) {
2821 wpa_printf(MSG_DEBUG, "P2P: Force GO on the channel we are "
2822 "already using on a shared interface");
2828 static struct wpa_supplicant *
2829 wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
2832 struct wpa_supplicant *group_wpa_s;
2834 if (!wpas_p2p_create_iface(wpa_s))
2837 if (wpas_p2p_add_group_interface(wpa_s, go ? WPA_IF_P2P_GO :
2838 WPA_IF_P2P_CLIENT) < 0)
2840 group_wpa_s = wpas_p2p_init_group_interface(wpa_s, go);
2841 if (group_wpa_s == NULL) {
2842 wpas_p2p_remove_pending_group_interface(wpa_s);
2851 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
2852 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
2853 * @persistent_group: Whether to create a persistent group
2854 * @freq: Frequency for the group or 0 to indicate no hardcoding
2855 * Returns: 0 on success, -1 on failure
2857 * This function creates a new P2P group with the local end as the Group Owner,
2858 * i.e., without using Group Owner Negotiation.
2860 int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
2863 struct p2p_go_neg_results params;
2865 if (freq > 0 && !p2p_supported_freq(wpa_s->global->p2p, freq)) {
2866 wpa_printf(MSG_DEBUG, "P2P: The forced channel for GO "
2867 "(%u MHz) is not supported for P2P uses",
2872 wpas_p2p_init_go_params(wpa_s, ¶ms, freq);
2873 p2p_go_params(wpa_s->global->p2p, ¶ms);
2874 params.persistent_group = persistent_group;
2876 wpa_s = wpas_p2p_get_group_iface(wpa_s, 0, 1);
2879 wpas_start_wps_go(wpa_s, ¶ms, 0);
2885 static int wpas_start_p2p_client(struct wpa_supplicant *wpa_s,
2886 struct wpa_ssid *params, int addr_allocated)
2888 struct wpa_ssid *ssid;
2890 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 0);
2894 wpa_supplicant_ap_deinit(wpa_s);
2896 ssid = wpa_config_add_network(wpa_s->conf);
2899 wpas_notify_network_added(wpa_s, ssid);
2900 wpa_config_set_network_defaults(ssid);
2901 ssid->temporary = 1;
2902 ssid->proto = WPA_PROTO_RSN;
2903 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
2904 ssid->group_cipher = WPA_CIPHER_CCMP;
2905 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
2906 ssid->ssid = os_malloc(params->ssid_len);
2907 if (ssid->ssid == NULL) {
2908 wpas_notify_network_removed(wpa_s, ssid);
2909 wpa_config_remove_network(wpa_s->conf, ssid->id);
2912 os_memcpy(ssid->ssid, params->ssid, params->ssid_len);
2913 ssid->ssid_len = params->ssid_len;
2914 ssid->p2p_group = 1;
2915 if (params->psk_set) {
2916 os_memcpy(ssid->psk, params->psk, 32);
2919 if (params->passphrase)
2920 ssid->passphrase = os_strdup(params->passphrase);
2922 wpa_supplicant_select_network(wpa_s, ssid);
2924 wpa_s->show_group_started = 1;
2930 int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
2931 struct wpa_ssid *ssid, int addr_allocated,
2934 struct p2p_go_neg_results params;
2936 if (ssid->disabled != 2 || ssid->ssid == NULL)
2939 wpa_s->p2p_long_listen = 0;
2940 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
2942 if (ssid->mode == WPAS_MODE_INFRA)
2943 return wpas_start_p2p_client(wpa_s, ssid, addr_allocated);
2945 if (ssid->mode != WPAS_MODE_P2P_GO)
2948 wpas_p2p_init_go_params(wpa_s, ¶ms, freq);
2951 if (ssid->passphrase == NULL ||
2952 os_strlen(ssid->passphrase) >= sizeof(params.passphrase)) {
2953 wpa_printf(MSG_DEBUG, "P2P: Invalid passphrase in persistent "
2957 os_strlcpy(params.passphrase, ssid->passphrase,
2958 sizeof(params.passphrase));
2959 os_memcpy(params.ssid, ssid->ssid, ssid->ssid_len);
2960 params.ssid_len = ssid->ssid_len;
2961 params.persistent_group = 1;
2963 wpa_s = wpas_p2p_get_group_iface(wpa_s, addr_allocated, 1);
2967 wpas_start_wps_go(wpa_s, ¶ms, 0);
2973 static void wpas_p2p_ie_update(void *ctx, struct wpabuf *beacon_ies,
2974 struct wpabuf *proberesp_ies)
2976 struct wpa_supplicant *wpa_s = ctx;
2977 if (wpa_s->ap_iface) {
2978 struct hostapd_data *hapd = wpa_s->ap_iface->bss[0];
2980 wpabuf_free(hapd->p2p_beacon_ie);
2981 hapd->p2p_beacon_ie = beacon_ies;
2983 wpabuf_free(hapd->p2p_probe_resp_ie);
2984 hapd->p2p_probe_resp_ie = proberesp_ies;
2986 wpabuf_free(beacon_ies);
2987 wpabuf_free(proberesp_ies);
2989 wpa_supplicant_ap_update_beacon(wpa_s);
2993 struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
2994 int persistent_group,
2995 int group_formation)
2997 struct p2p_group *group;
2998 struct p2p_group_config *cfg;
3000 cfg = os_zalloc(sizeof(*cfg));
3004 cfg->persistent_group = persistent_group;
3005 os_memcpy(cfg->interface_addr, wpa_s->own_addr, ETH_ALEN);
3006 cfg->cb_ctx = wpa_s;
3007 cfg->ie_update = wpas_p2p_ie_update;
3009 group = p2p_group_init(wpa_s->global->p2p, cfg);
3012 if (!group_formation)
3013 p2p_group_notif_formation_done(group);
3014 wpa_s->p2p_group = group;
3019 void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3022 if (!wpa_s->p2p_in_provisioning) {
3023 wpa_printf(MSG_DEBUG, "P2P: Ignore WPS success event - P2P "
3024 "provisioning not in progress");
3028 eloop_cancel_timeout(wpas_p2p_group_formation_timeout, wpa_s->parent,
3030 if (wpa_s->global->p2p)
3031 p2p_wps_success_cb(wpa_s->global->p2p, peer_addr);
3032 wpas_group_formation_completed(wpa_s, 1);
3036 int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3037 const char *config_method)
3041 if (os_strcmp(config_method, "display") == 0)
3042 config_methods = WPS_CONFIG_DISPLAY;
3043 else if (os_strcmp(config_method, "keypad") == 0)
3044 config_methods = WPS_CONFIG_KEYPAD;
3045 else if (os_strcmp(config_method, "pbc") == 0 ||
3046 os_strcmp(config_method, "pushbutton") == 0)
3047 config_methods = WPS_CONFIG_PUSHBUTTON;
3051 if (wpa_s->global->p2p == NULL)
3054 return p2p_prov_disc_req(wpa_s->global->p2p, peer_addr,
3059 int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
3062 return p2p_scan_result_text(ies, ies_len, buf, end);
3066 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant *wpa_s)
3068 if (!wpa_s->pending_action_tx)
3071 wpa_printf(MSG_DEBUG, "P2P: Drop pending Action TX due to new "
3072 "operation request");
3073 wpabuf_free(wpa_s->pending_action_tx);
3074 wpa_s->pending_action_tx = NULL;
3078 int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
3079 enum p2p_discovery_type type)
3081 wpas_p2p_clear_pending_action_tx(wpa_s);
3082 wpa_s->p2p_long_listen = 0;
3084 return p2p_find(wpa_s->global->p2p, timeout, type);
3088 void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s)
3090 wpas_p2p_clear_pending_action_tx(wpa_s);
3091 wpa_s->p2p_long_listen = 0;
3092 eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
3094 p2p_stop_find(wpa_s->global->p2p);
3096 wpas_p2p_remove_pending_group_interface(wpa_s);
3100 static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx)
3102 struct wpa_supplicant *wpa_s = eloop_ctx;
3103 wpa_s->p2p_long_listen = 0;
3107 int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout)
3111 wpas_p2p_clear_pending_action_tx(wpa_s);
3115 * This is a request for unlimited Listen state. However, at
3116 * least for now, this is mapped to a Listen state for one
3121 eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
3122 wpa_s->p2p_long_listen = 0;
3124 res = wpas_p2p_listen_start(wpa_s, timeout * 1000);
3125 if (res == 0 && timeout * 1000 > wpa_s->max_remain_on_chan) {
3126 wpa_s->p2p_long_listen = timeout;
3127 eloop_register_timeout(timeout, 0,
3128 wpas_p2p_long_listen_timeout,
3136 int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3137 u8 *buf, size_t len, int p2p_group)
3139 struct wpabuf *p2p_ie;
3142 if (wpa_s->global->p2p_disabled)
3144 if (wpa_s->global->p2p == NULL)
3149 p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
3150 ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,
3152 wpabuf_free(p2p_ie);
3158 int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
3159 const u8 *ie, size_t ie_len)
3161 if (wpa_s->global->p2p_disabled)
3163 if (wpa_s->global->p2p == NULL)
3166 return p2p_probe_req_rx(wpa_s->global->p2p, addr, ie, ie_len);
3170 void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
3171 const u8 *sa, const u8 *bssid,
3172 u8 category, const u8 *data, size_t len, int freq)
3174 if (wpa_s->global->p2p_disabled)
3176 if (wpa_s->global->p2p == NULL)
3179 p2p_rx_action(wpa_s->global->p2p, da, sa, bssid, category, data, len,
3184 void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies)
3186 if (wpa_s->global->p2p_disabled)
3188 if (wpa_s->global->p2p == NULL)
3191 p2p_scan_ie(wpa_s->global->p2p, ies);
3195 void wpas_p2p_group_deinit(struct wpa_supplicant *wpa_s)
3197 p2p_group_deinit(wpa_s->p2p_group);
3198 wpa_s->p2p_group = NULL;
3202 int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr)
3204 wpa_s->p2p_long_listen = 0;
3206 return p2p_reject(wpa_s->global->p2p, addr);
3210 /* Invite to reinvoke a persistent group */
3211 int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
3212 struct wpa_ssid *ssid, const u8 *go_dev_addr)
3214 enum p2p_invite_role role;
3217 if (ssid->mode == WPAS_MODE_P2P_GO) {
3218 role = P2P_INVITE_ROLE_GO;
3219 if (peer_addr == NULL) {
3220 wpa_printf(MSG_DEBUG, "P2P: Missing peer "
3221 "address in invitation command");
3224 if (wpas_p2p_create_iface(wpa_s)) {
3225 if (wpas_p2p_add_group_interface(wpa_s,
3226 WPA_IF_P2P_GO) < 0) {
3227 wpa_printf(MSG_ERROR, "P2P: Failed to "
3228 "allocate a new interface for the "
3232 bssid = wpa_s->pending_interface_addr;
3234 bssid = wpa_s->own_addr;
3236 role = P2P_INVITE_ROLE_CLIENT;
3237 peer_addr = ssid->bssid;
3239 wpa_s->pending_invite_ssid_id = ssid->id;
3241 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
3242 ssid->ssid, ssid->ssid_len, 0, go_dev_addr, 1);
3246 /* Invite to join an active group */
3247 int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
3248 const u8 *peer_addr, const u8 *go_dev_addr)
3250 struct wpa_global *global = wpa_s->global;
3251 enum p2p_invite_role role;
3253 struct wpa_ssid *ssid;
3255 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3256 if (os_strcmp(wpa_s->ifname, ifname) == 0)
3259 if (wpa_s == NULL) {
3260 wpa_printf(MSG_DEBUG, "P2P: Interface '%s' not found", ifname);
3264 ssid = wpa_s->current_ssid;
3266 wpa_printf(MSG_DEBUG, "P2P: No current SSID to use for "
3271 if (ssid->mode == WPAS_MODE_P2P_GO) {
3272 role = P2P_INVITE_ROLE_ACTIVE_GO;
3273 bssid = wpa_s->own_addr;
3274 if (go_dev_addr == NULL)
3275 go_dev_addr = wpa_s->parent->own_addr;
3277 role = P2P_INVITE_ROLE_CLIENT;
3278 if (wpa_s->wpa_state < WPA_ASSOCIATED) {
3279 wpa_printf(MSG_DEBUG, "P2P: Not associated - cannot "
3280 "invite to current group");
3283 bssid = wpa_s->bssid;
3284 if (go_dev_addr == NULL &&
3285 !is_zero_ether_addr(wpa_s->go_dev_addr))
3286 go_dev_addr = wpa_s->go_dev_addr;
3288 wpa_s->pending_invite_ssid_id = -1;
3290 return p2p_invite(wpa_s->global->p2p, peer_addr, role, bssid,
3291 ssid->ssid, ssid->ssid_len, wpa_s->assoc_freq,
3296 void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
3298 struct wpa_ssid *ssid = wpa_s->current_ssid;
3299 const char *ssid_txt;
3300 u8 go_dev_addr[ETH_ALEN];
3303 if (!wpa_s->show_group_started || !ssid)
3306 wpa_s->show_group_started = 0;
3308 ssid_txt = wpa_ssid_txt(ssid->ssid, ssid->ssid_len);
3309 os_memset(go_dev_addr, 0, ETH_ALEN);
3310 if (ssid->bssid_set)
3311 os_memcpy(go_dev_addr, ssid->bssid, ETH_ALEN);
3312 persistent = wpas_p2p_persistent_group(wpa_s, go_dev_addr, ssid->ssid,
3314 os_memcpy(wpa_s->go_dev_addr, go_dev_addr, ETH_ALEN);
3316 if (ssid->passphrase == NULL && ssid->psk_set) {
3318 wpa_snprintf_hex(psk, sizeof(psk), ssid->psk, 32);
3319 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
3320 "%s client ssid=\"%s\" freq=%d psk=%s go_dev_addr="
3322 wpa_s->ifname, ssid_txt, ssid->frequency, psk,
3323 MAC2STR(go_dev_addr),
3324 persistent ? " [PERSISTENT]" : "");
3326 wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
3327 "%s client ssid=\"%s\" freq=%d passphrase=\"%s\" "
3328 "go_dev_addr=" MACSTR "%s",
3329 wpa_s->ifname, ssid_txt, ssid->frequency,
3330 ssid->passphrase ? ssid->passphrase : "",
3331 MAC2STR(go_dev_addr),
3332 persistent ? " [PERSISTENT]" : "");
3336 wpas_p2p_store_persistent_group(wpa_s->parent, ssid,
3341 int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
3342 u32 interval1, u32 duration2, u32 interval2)
3344 if (wpa_s->wpa_state < WPA_ASSOCIATED ||
3345 wpa_s->current_ssid == NULL ||
3346 wpa_s->current_ssid->mode != WPAS_MODE_INFRA)
3349 return p2p_presence_req(wpa_s->global->p2p, wpa_s->bssid,
3350 wpa_s->own_addr, wpa_s->assoc_freq,
3351 duration1, interval1, duration2, interval2);
3355 int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
3356 unsigned int interval)
3358 return p2p_ext_listen(wpa_s->global->p2p, period, interval);
3362 void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3363 u16 reason_code, const u8 *ie, size_t ie_len)
3365 if (wpa_s->global->p2p_disabled)
3368 p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
3372 void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
3373 u16 reason_code, const u8 *ie, size_t ie_len)
3375 if (wpa_s->global->p2p_disabled)
3378 p2p_disassoc_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
3382 void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
3384 struct p2p_data *p2p = wpa_s->global->p2p;
3389 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE))
3392 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_NAME)
3393 p2p_set_dev_name(p2p, wpa_s->conf->device_name);
3395 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) {
3397 if (wpa_s->conf->device_type) {
3398 if (wps_dev_type_str2bin(wpa_s->conf->device_type,
3399 pri_dev_type) < 0) {
3400 wpa_printf(MSG_ERROR, "P2P: Invalid "
3403 p2p_set_pri_dev_type(p2p, pri_dev_type);
3407 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
3408 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
3411 for (i = 0; i < MAX_SEC_DEVICE_TYPES; i++) {
3412 if (wpa_s->conf->sec_device_type[i] == NULL)
3414 if (wps_dev_type_str2bin(
3415 wpa_s->conf->sec_device_type[i],
3416 sec_dev_type[num]) < 0) {
3417 wpa_printf(MSG_ERROR, "P2P: Invalid "
3422 if (num == P2P_SEC_DEVICE_TYPES)
3425 p2p_set_sec_dev_types(p2p, (void *) sec_dev_type, num);
3428 if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
3429 wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
3431 country[0] = wpa_s->conf->country[0];
3432 country[1] = wpa_s->conf->country[1];
3434 p2p_set_country(p2p, country);
3437 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_SSID_POSTFIX) {
3438 p2p_set_ssid_postfix(p2p, (u8 *) wpa_s->conf->p2p_ssid_postfix,
3439 wpa_s->conf->p2p_ssid_postfix ?
3440 os_strlen(wpa_s->conf->p2p_ssid_postfix) :
3444 if (wpa_s->conf->changed_parameters & CFG_CHANGED_P2P_INTRA_BSS)
3445 p2p_set_intra_bss_dist(p2p, wpa_s->conf->p2p_intra_bss);
3449 int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
3452 if (!wpa_s->ap_iface)
3454 return hostapd_p2p_set_noa(wpa_s->ap_iface->bss[0], count, start,
3459 int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled)
3461 if (wpa_s->global->p2p_disabled)
3463 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT)
3466 wpa_s->global->cross_connection = enabled;
3467 p2p_set_cross_connect(wpa_s->global->p2p, enabled);
3470 struct wpa_supplicant *iface;
3472 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
3474 if (iface->cross_connect_enabled == 0)
3477 iface->cross_connect_enabled = 0;
3478 iface->cross_connect_in_use = 0;
3479 wpa_msg(iface->parent, MSG_INFO,
3480 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
3481 iface->ifname, iface->cross_connect_uplink);
3489 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant *uplink)
3491 struct wpa_supplicant *iface;
3493 if (!uplink->global->cross_connection)
3496 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
3497 if (!iface->cross_connect_enabled)
3499 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
3502 if (iface->ap_iface == NULL)
3504 if (iface->cross_connect_in_use)
3507 iface->cross_connect_in_use = 1;
3508 wpa_msg(iface->parent, MSG_INFO,
3509 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
3510 iface->ifname, iface->cross_connect_uplink);
3515 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant *uplink)
3517 struct wpa_supplicant *iface;
3519 for (iface = uplink->global->ifaces; iface; iface = iface->next) {
3520 if (!iface->cross_connect_enabled)
3522 if (os_strcmp(uplink->ifname, iface->cross_connect_uplink) !=
3525 if (!iface->cross_connect_in_use)
3528 wpa_msg(iface->parent, MSG_INFO,
3529 P2P_EVENT_CROSS_CONNECT_DISABLE "%s %s",
3530 iface->ifname, iface->cross_connect_uplink);
3531 iface->cross_connect_in_use = 0;
3536 void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
3538 if (wpa_s->ap_iface || wpa_s->current_ssid == NULL ||
3539 wpa_s->current_ssid->mode != WPAS_MODE_INFRA ||
3540 wpa_s->cross_connect_disallowed)
3541 wpas_p2p_disable_cross_connect(wpa_s);
3543 wpas_p2p_enable_cross_connect(wpa_s);
3547 void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
3549 wpas_p2p_disable_cross_connect(wpa_s);
3553 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant *wpa_s)
3555 struct wpa_supplicant *iface;
3557 if (!wpa_s->global->cross_connection)
3560 for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
3563 if (iface->drv_flags &
3564 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)
3566 if (iface->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE)
3569 wpa_s->cross_connect_enabled = 1;
3570 os_strlcpy(wpa_s->cross_connect_uplink, iface->ifname,
3571 sizeof(wpa_s->cross_connect_uplink));
3572 wpa_printf(MSG_DEBUG, "P2P: Enable cross connection from "
3573 "%s to %s whenever uplink is available",
3574 wpa_s->ifname, wpa_s->cross_connect_uplink);
3576 if (iface->ap_iface || iface->current_ssid == NULL ||
3577 iface->current_ssid->mode != WPAS_MODE_INFRA ||
3578 iface->cross_connect_disallowed ||
3579 iface->wpa_state != WPA_COMPLETED)
3582 wpa_s->cross_connect_in_use = 1;
3583 wpa_msg(wpa_s->parent, MSG_INFO,
3584 P2P_EVENT_CROSS_CONNECT_ENABLE "%s %s",
3585 wpa_s->ifname, wpa_s->cross_connect_uplink);
3591 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
3593 if (wpa_s->p2p_group_interface != P2P_GROUP_INTERFACE_CLIENT &&
3594 !wpa_s->p2p_in_provisioning)
3595 return 0; /* not P2P client operation */
3597 wpa_printf(MSG_DEBUG, "P2P: Terminate connection due to WPS PBC "
3599 wpas_group_formation_completed(wpa_s, 0);
3604 void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s)
3606 struct p2p_channels chan;
3608 if (wpa_s->global == NULL || wpa_s->global->p2p == NULL)
3611 os_memset(&chan, 0, sizeof(chan));
3612 if (wpas_p2p_setup_channels(wpa_s, &chan)) {
3613 wpa_printf(MSG_ERROR, "P2P: Failed to update supported "
3618 p2p_update_channel_list(wpa_s->global->p2p, &chan);