3 * Copyright (c) 2009-2010, Atheros Communications
4 * Copyright (c) 2010-2014, Jouni Malinen <j@w1.fi>
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
14 #include "common/ieee802_11_common.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/wpa_ctrl.h"
17 #include "wps/wps_i.h"
19 #include "ap/hostapd.h"
20 #include "ap/ap_config.h"
21 #include "ap/sta_info.h"
22 #include "ap/ap_drv_ops.h"
23 #include "ap/wps_hostapd.h"
24 #include "ap/p2p_hostapd.h"
26 #include "eapol_supp/eapol_supp_sm.h"
27 #include "rsn_supp/wpa.h"
28 #include "wpa_supplicant_i.h"
31 #include "config_ssid.h"
36 #include "offchannel.h"
37 #include "wps_supplicant.h"
38 #include "p2p_supplicant.h"
39 #include "wifi_display.h"
43 * How many times to try to scan to find the GO before giving up on join
46 #define P2P_MAX_JOIN_SCAN_ATTEMPTS 10
48 #define P2P_AUTO_PD_SCAN_ATTEMPTS 5
50 #ifndef P2P_MAX_CLIENT_IDLE
52 * How many seconds to try to reconnect to the GO when connection in P2P client
55 #define P2P_MAX_CLIENT_IDLE 10
56 #endif /* P2P_MAX_CLIENT_IDLE */
58 #ifndef P2P_MAX_INITIAL_CONN_WAIT
60 * How many seconds to wait for initial 4-way handshake to get completed after
61 * WPS provisioning step or after the re-invocation of a persistent group on a
64 #define P2P_MAX_INITIAL_CONN_WAIT 10
65 #endif /* P2P_MAX_INITIAL_CONN_WAIT */
67 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO
69 * How many seconds to wait for initial 4-way handshake to get completed after
70 * WPS provisioning step on the GO. This controls the extra time the P2P
71 * operation is considered to be in progress (e.g., to delay other scans) after
72 * WPS provisioning has been completed on the GO during group formation.
74 #define P2P_MAX_INITIAL_CONN_WAIT_GO 10
75 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO */
77 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
79 * How many seconds to wait for initial 4-way handshake to get completed after
80 * re-invocation of a persistent group on the GO when the client is expected
81 * to connect automatically (no user interaction).
83 #define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15
84 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */
86 #define P2P_MGMT_DEVICE_PREFIX "p2p-dev-"
88 enum p2p_group_removal_reason
{
89 P2P_GROUP_REMOVAL_UNKNOWN
,
90 P2P_GROUP_REMOVAL_SILENT
,
91 P2P_GROUP_REMOVAL_FORMATION_FAILED
,
92 P2P_GROUP_REMOVAL_REQUESTED
,
93 P2P_GROUP_REMOVAL_IDLE_TIMEOUT
,
94 P2P_GROUP_REMOVAL_UNAVAILABLE
,
95 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
,
96 P2P_GROUP_REMOVAL_PSK_FAILURE
,
97 P2P_GROUP_REMOVAL_FREQ_CONFLICT
101 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
);
102 static struct wpa_supplicant
*
103 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
105 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
, int freq
,
106 const u8
*ssid
, size_t ssid_len
);
107 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
,
108 const u8
*ssid
, size_t ssid_len
);
109 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
);
110 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
111 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
112 int auto_join
, int freq
,
113 const u8
*ssid
, size_t ssid_len
);
114 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
);
115 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
);
116 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
);
117 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
);
118 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
120 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
);
121 static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
123 static void wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
);
124 static void wpas_stop_listen(void *ctx
);
125 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
);
126 static void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
);
127 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
128 enum wpa_driver_if_type type
);
129 static void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
,
130 int already_deleted
);
134 * Get the number of concurrent channels that the HW can operate, but that are
135 * currently not in use by any of the wpa_supplicant interfaces.
137 static int wpas_p2p_num_unused_channels(struct wpa_supplicant
*wpa_s
)
142 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
146 num
= get_shared_radio_freqs(wpa_s
, freqs
,
147 wpa_s
->num_multichan_concurrent
);
150 unused
= wpa_s
->num_multichan_concurrent
- num
;
151 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: num_unused_channels: %d", unused
);
157 * Get the frequencies that are currently in use by one or more of the virtual
158 * interfaces, and that are also valid for P2P operation.
161 wpas_p2p_valid_oper_freqs(struct wpa_supplicant
*wpa_s
,
162 struct wpa_used_freq_data
*p2p_freqs
,
165 struct wpa_used_freq_data
*freqs
;
166 unsigned int num
, i
, j
;
168 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
169 sizeof(struct wpa_used_freq_data
));
173 num
= get_shared_radio_freqs_data(wpa_s
, freqs
,
174 wpa_s
->num_multichan_concurrent
);
176 os_memset(p2p_freqs
, 0, sizeof(struct wpa_used_freq_data
) * len
);
178 for (i
= 0, j
= 0; i
< num
&& j
< len
; i
++) {
179 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
180 p2p_freqs
[j
++] = freqs
[i
];
185 dump_freq_data(wpa_s
, "valid for P2P", p2p_freqs
, j
);
191 static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant
*wpa_s
,
194 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
197 /* Use the wpa_s used to control the P2P Device operation */
198 wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
200 if (wpa_s
->conf
->p2p_ignore_shared_freq
&&
201 freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
202 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
203 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration",
207 p2p_set_own_freq_preference(wpa_s
->global
->p2p
, freq
);
211 static void wpas_p2p_scan_res_handler(struct wpa_supplicant
*wpa_s
,
212 struct wpa_scan_results
*scan_res
)
216 if (wpa_s
->p2p_scan_work
) {
217 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
218 wpa_s
->p2p_scan_work
= NULL
;
219 radio_work_done(work
);
222 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
225 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS)",
226 (int) scan_res
->num
);
228 for (i
= 0; i
< scan_res
->num
; i
++) {
229 struct wpa_scan_res
*bss
= scan_res
->res
[i
];
230 struct os_reltime time_tmp_age
, entry_ts
;
234 time_tmp_age
.sec
= bss
->age
/ 1000;
235 time_tmp_age
.usec
= (bss
->age
% 1000) * 1000;
236 os_reltime_sub(&scan_res
->fetch_time
, &time_tmp_age
, &entry_ts
);
238 ies
= (const u8
*) (bss
+ 1);
239 ies_len
= bss
->ie_len
;
240 if (bss
->beacon_ie_len
> 0 &&
241 !wpa_scan_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) &&
242 wpa_scan_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) {
243 wpa_printf(MSG_DEBUG
, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for "
244 MACSTR
, MAC2STR(bss
->bssid
));
246 ies_len
= bss
->beacon_ie_len
;
250 if (p2p_scan_res_handler(wpa_s
->global
->p2p
, bss
->bssid
,
251 bss
->freq
, &entry_ts
, bss
->level
,
256 p2p_scan_res_handled(wpa_s
->global
->p2p
);
260 static void wpas_p2p_trigger_scan_cb(struct wpa_radio_work
*work
, int deinit
)
262 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
263 struct wpa_driver_scan_params
*params
= work
->ctx
;
267 if (!work
->started
) {
268 wpa_scan_free_params(params
);
272 wpa_s
->p2p_scan_work
= NULL
;
276 ret
= wpa_drv_scan(wpa_s
, params
);
277 wpa_scan_free_params(params
);
280 radio_work_done(work
);
281 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
285 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
286 os_get_reltime(&wpa_s
->scan_trigger_time
);
287 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_handler
;
288 wpa_s
->own_scan_requested
= 1;
289 wpa_s
->p2p_scan_work
= work
;
293 static int wpas_p2p_search_social_channel(struct wpa_supplicant
*wpa_s
,
296 if (wpa_s
->global
->p2p_24ghz_social_channels
&&
297 (freq
== 2412 || freq
== 2437 || freq
== 2462)) {
299 * Search all social channels regardless of whether these have
300 * been disabled for P2P operating channel use to avoid missing
305 return p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
309 static int wpas_p2p_scan(void *ctx
, enum p2p_scan_type type
, int freq
,
310 unsigned int num_req_dev_types
,
311 const u8
*req_dev_types
, const u8
*dev_id
, u16 pw_id
)
313 struct wpa_supplicant
*wpa_s
= ctx
;
314 struct wpa_driver_scan_params
*params
= NULL
;
315 struct wpabuf
*wps_ie
, *ies
;
316 unsigned int num_channels
= 0;
317 int social_channels_freq
[] = { 2412, 2437, 2462, 60480 };
321 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
324 if (wpa_s
->p2p_scan_work
) {
325 wpa_dbg(wpa_s
, MSG_INFO
, "P2P: Reject scan trigger since one is already pending");
329 params
= os_zalloc(sizeof(*params
));
333 /* P2P Wildcard SSID */
334 params
->num_ssids
= 1;
335 n
= os_malloc(P2P_WILDCARD_SSID_LEN
);
338 os_memcpy(n
, P2P_WILDCARD_SSID
, P2P_WILDCARD_SSID_LEN
);
339 params
->ssids
[0].ssid
= n
;
340 params
->ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
342 wpa_s
->wps
->dev
.p2p
= 1;
343 wps_ie
= wps_build_probe_req_ie(pw_id
, &wpa_s
->wps
->dev
,
344 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
,
345 num_req_dev_types
, req_dev_types
);
349 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
350 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
355 wpabuf_put_buf(ies
, wps_ie
);
358 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, dev_id
);
360 params
->p2p_probe
= 1;
361 n
= os_malloc(wpabuf_len(ies
));
366 os_memcpy(n
, wpabuf_head(ies
), wpabuf_len(ies
));
367 params
->extra_ies
= n
;
368 params
->extra_ies_len
= wpabuf_len(ies
);
372 case P2P_SCAN_SOCIAL
:
373 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 1,
375 if (params
->freqs
== NULL
)
377 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
378 if (wpas_p2p_search_social_channel(
379 wpa_s
, social_channels_freq
[i
]))
380 params
->freqs
[num_channels
++] =
381 social_channels_freq
[i
];
383 params
->freqs
[num_channels
++] = 0;
387 case P2P_SCAN_SPECIFIC
:
388 params
->freqs
= os_calloc(2, sizeof(int));
389 if (params
->freqs
== NULL
)
391 params
->freqs
[0] = freq
;
392 params
->freqs
[1] = 0;
394 case P2P_SCAN_SOCIAL_PLUS_ONE
:
395 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 2,
397 if (params
->freqs
== NULL
)
399 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
400 if (wpas_p2p_search_social_channel(
401 wpa_s
, social_channels_freq
[i
]))
402 params
->freqs
[num_channels
++] =
403 social_channels_freq
[i
];
405 if (p2p_supported_freq(wpa_s
->global
->p2p
, freq
))
406 params
->freqs
[num_channels
++] = freq
;
407 params
->freqs
[num_channels
++] = 0;
411 radio_remove_works(wpa_s
, "p2p-scan", 0);
412 if (radio_add_work(wpa_s
, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb
,
418 wpa_scan_free_params(params
);
423 static enum wpa_driver_if_type
wpas_p2p_if_type(int p2p_group_interface
)
425 switch (p2p_group_interface
) {
426 case P2P_GROUP_INTERFACE_PENDING
:
427 return WPA_IF_P2P_GROUP
;
428 case P2P_GROUP_INTERFACE_GO
:
429 return WPA_IF_P2P_GO
;
430 case P2P_GROUP_INTERFACE_CLIENT
:
431 return WPA_IF_P2P_CLIENT
;
434 return WPA_IF_P2P_GROUP
;
438 static struct wpa_supplicant
* wpas_get_p2p_group(struct wpa_supplicant
*wpa_s
,
440 size_t ssid_len
, int *go
)
444 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
445 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
446 if (s
->disabled
!= 0 || !s
->p2p_group
||
447 s
->ssid_len
!= ssid_len
||
448 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
450 if (s
->mode
== WPAS_MODE_P2P_GO
&&
451 s
!= wpa_s
->current_ssid
)
454 *go
= s
->mode
== WPAS_MODE_P2P_GO
;
463 static void run_wpas_p2p_disconnect(void *eloop_ctx
, void *timeout_ctx
)
465 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
466 wpa_printf(MSG_DEBUG
,
467 "P2P: Complete previously requested removal of %s",
469 wpas_p2p_disconnect(wpa_s
);
473 static int wpas_p2p_disconnect_safely(struct wpa_supplicant
*wpa_s
,
474 struct wpa_supplicant
*calling_wpa_s
)
476 if (calling_wpa_s
== wpa_s
&& wpa_s
&&
477 wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
479 * The calling wpa_s instance is going to be removed. Do that
480 * from an eloop callback to keep the instance available until
481 * the caller has returned. This my be needed, e.g., to provide
482 * control interface responses on the per-interface socket.
484 if (eloop_register_timeout(0, 0, run_wpas_p2p_disconnect
,
490 return wpas_p2p_disconnect(wpa_s
);
494 /* Determine total number of clients in active groups where we are the GO */
495 static unsigned int p2p_group_go_member_count(struct wpa_supplicant
*wpa_s
)
497 unsigned int count
= 0;
500 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
501 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
502 wpa_printf(MSG_DEBUG
,
503 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
504 wpa_s
, s
, s
->disabled
, s
->p2p_group
,
506 if (!s
->disabled
&& s
->p2p_group
&&
507 s
->mode
== WPAS_MODE_P2P_GO
) {
508 count
+= p2p_get_group_num_members(
518 /* Find an interface for a P2P group where we are the GO */
519 static struct wpa_supplicant
*
520 wpas_p2p_get_go_group(struct wpa_supplicant
*wpa_s
)
522 struct wpa_supplicant
*save
= NULL
;
528 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
529 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
530 if (s
->disabled
|| !s
->p2p_group
||
531 s
->mode
!= WPAS_MODE_P2P_GO
)
534 /* Prefer a group with connected clients */
535 if (p2p_get_group_num_members(wpa_s
->p2p_group
))
541 /* No group with connected clients, so pick the one without (if any) */
546 /* Find an active P2P group where we are the GO */
547 static struct wpa_ssid
* wpas_p2p_group_go_ssid(struct wpa_supplicant
*wpa_s
,
550 struct wpa_ssid
*s
, *empty
= NULL
;
555 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
556 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
557 if (s
->disabled
|| !s
->p2p_group
||
558 s
->mode
!= WPAS_MODE_P2P_GO
)
561 os_memcpy(bssid
, wpa_s
->own_addr
, ETH_ALEN
);
562 if (p2p_get_group_num_members(wpa_s
->p2p_group
))
572 /* Find a persistent group where we are the GO */
573 static struct wpa_ssid
*
574 wpas_p2p_get_persistent_go(struct wpa_supplicant
*wpa_s
)
578 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
579 if (s
->disabled
== 2 && s
->mode
== WPAS_MODE_P2P_GO
)
587 static u8
p2ps_group_capability(void *ctx
, u8 incoming
, u8 role
)
589 struct wpa_supplicant
*wpa_s
= ctx
, *tmp_wpa_s
;
591 u8 conncap
= P2PS_SETUP_NONE
;
592 unsigned int owned_members
= 0;
593 unsigned int owner
= 0;
594 unsigned int client
= 0;
595 struct wpa_supplicant
*go_wpa_s
;
596 struct wpa_ssid
*persistent_go
;
597 int p2p_no_group_iface
;
599 wpa_printf(MSG_DEBUG
, "P2P: Conncap - in:%d role:%d", incoming
, role
);
602 * For non-concurrent capable devices:
603 * If persistent_go, then no new.
604 * If GO, then no client.
605 * If client, then no GO.
607 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
608 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
609 p2p_no_group_iface
= !wpas_p2p_create_iface(wpa_s
);
611 wpa_printf(MSG_DEBUG
, "P2P: GO(iface)=%p persistent(ssid)=%p",
612 go_wpa_s
, persistent_go
);
614 for (tmp_wpa_s
= wpa_s
->global
->ifaces
; tmp_wpa_s
;
615 tmp_wpa_s
= tmp_wpa_s
->next
) {
616 for (s
= tmp_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
617 wpa_printf(MSG_DEBUG
,
618 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
619 tmp_wpa_s
, s
, s
->disabled
,
620 s
->p2p_group
, s
->mode
);
621 if (!s
->disabled
&& s
->p2p_group
) {
622 if (s
->mode
== WPAS_MODE_P2P_GO
) {
624 p2p_get_group_num_members(
625 tmp_wpa_s
->p2p_group
);
633 /* If not concurrent, restrict our choices */
634 if (p2p_no_group_iface
) {
635 wpa_printf(MSG_DEBUG
, "P2P: p2p_no_group_iface");
638 return P2PS_SETUP_NONE
;
641 if (role
== P2PS_SETUP_CLIENT
||
642 incoming
== P2PS_SETUP_GROUP_OWNER
||
643 p2p_client_limit_reached(go_wpa_s
->p2p_group
))
644 return P2PS_SETUP_NONE
;
646 return P2PS_SETUP_GROUP_OWNER
;
650 if (role
== P2PS_SETUP_NONE
|| role
== P2PS_SETUP_NEW
) {
652 return P2PS_SETUP_GROUP_OWNER
|
654 if (incoming
== P2PS_SETUP_NEW
) {
657 if (os_get_random(&r
, sizeof(r
)) < 0 ||
659 return P2PS_SETUP_CLIENT
;
660 return P2PS_SETUP_GROUP_OWNER
;
666 /* If a required role has been specified, handle it here */
667 if (role
&& role
!= P2PS_SETUP_NEW
) {
669 case P2PS_SETUP_NONE
:
671 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
672 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
676 case P2PS_SETUP_GROUP_OWNER
:
678 * Must be a complimentary role - cannot be a client to
679 * more than one peer.
681 if (incoming
== role
|| client
)
682 return P2PS_SETUP_NONE
;
684 return P2PS_SETUP_CLIENT
;
686 case P2PS_SETUP_CLIENT
:
687 /* Must be a complimentary role */
688 if (incoming
!= role
) {
689 conncap
= P2PS_SETUP_GROUP_OWNER
;
694 return P2PS_SETUP_NONE
;
699 * For now, we only will support ownership of one group, and being a
700 * client of one group. Therefore, if we have either an existing GO
701 * group, or an existing client group, we will not do a new GO
702 * negotiation, but rather try to re-use the existing groups.
705 case P2PS_SETUP_NONE
:
708 conncap
= P2PS_SETUP_GROUP_OWNER
;
709 else if (!owned_members
)
710 conncap
= P2PS_SETUP_NEW
;
711 else if (incoming
== P2PS_SETUP_NONE
)
712 conncap
= P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
;
714 conncap
= P2PS_SETUP_CLIENT
;
717 case P2PS_SETUP_CLIENT
:
718 conncap
= P2PS_SETUP_GROUP_OWNER
;
721 case P2PS_SETUP_GROUP_OWNER
:
723 conncap
= P2PS_SETUP_CLIENT
;
726 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
727 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
729 conncap
= P2PS_SETUP_GROUP_OWNER
;
733 if (os_get_random(&r
, sizeof(r
)) < 0 ||
735 conncap
= P2PS_SETUP_CLIENT
;
737 conncap
= P2PS_SETUP_GROUP_OWNER
;
742 return P2PS_SETUP_NONE
;
746 if ((conncap
& P2PS_SETUP_GROUP_OWNER
) ||
747 (!incoming
&& (conncap
& P2PS_SETUP_NEW
))) {
748 if (go_wpa_s
&& p2p_client_limit_reached(go_wpa_s
->p2p_group
))
749 conncap
&= ~P2PS_SETUP_GROUP_OWNER
;
750 wpa_printf(MSG_DEBUG
, "P2P: GOs:%d members:%d conncap:%d",
751 owner
, owned_members
, conncap
);
753 s
= wpas_p2p_get_persistent_go(wpa_s
);
755 if (!s
&& !owner
&& p2p_no_group_iface
) {
756 p2p_set_intended_addr(wpa_s
->global
->p2p
,
758 } else if (!s
&& !owner
) {
759 if (wpas_p2p_add_group_interface(wpa_s
,
760 WPA_IF_P2P_GO
) < 0) {
761 wpa_printf(MSG_ERROR
,
762 "P2P: Failed to allocate a new interface for the group");
763 return P2PS_SETUP_NONE
;
765 wpa_s
->global
->pending_group_iface_for_p2ps
= 1;
766 p2p_set_intended_addr(wpa_s
->global
->p2p
,
767 wpa_s
->pending_interface_addr
);
775 static int wpas_p2p_group_delete(struct wpa_supplicant
*wpa_s
,
776 enum p2p_group_removal_reason removal_reason
)
778 struct wpa_ssid
*ssid
;
782 ssid
= wpa_s
->current_ssid
;
785 * The current SSID was not known, but there may still be a
786 * pending P2P group interface waiting for provisioning or a
787 * P2P group that is trying to reconnect.
789 ssid
= wpa_s
->conf
->ssid
;
791 if (ssid
->p2p_group
&& ssid
->disabled
!= 2)
796 wpa_s
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)
798 wpa_printf(MSG_ERROR
, "P2P: P2P group interface "
803 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
)
805 else if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
||
806 (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
)) {
807 wpa_s
->reassociate
= 0;
808 wpa_s
->disconnected
= 1;
813 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
&& ssid
)
814 wpas_notify_p2p_group_removed(wpa_s
, ssid
, gtype
);
816 if (os_strcmp(gtype
, "client") == 0) {
817 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
818 if (eloop_is_timeout_registered(wpas_p2p_psk_failure_removal
,
820 wpa_printf(MSG_DEBUG
,
821 "P2P: PSK failure removal was scheduled, so use PSK failure as reason for group removal");
822 removal_reason
= P2P_GROUP_REMOVAL_PSK_FAILURE
;
823 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
,
828 if (wpa_s
->cross_connect_in_use
) {
829 wpa_s
->cross_connect_in_use
= 0;
830 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
831 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
832 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
834 switch (removal_reason
) {
835 case P2P_GROUP_REMOVAL_REQUESTED
:
836 reason
= " reason=REQUESTED";
838 case P2P_GROUP_REMOVAL_FORMATION_FAILED
:
839 reason
= " reason=FORMATION_FAILED";
841 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT
:
842 reason
= " reason=IDLE";
844 case P2P_GROUP_REMOVAL_UNAVAILABLE
:
845 reason
= " reason=UNAVAILABLE";
847 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION
:
848 reason
= " reason=GO_ENDING_SESSION";
850 case P2P_GROUP_REMOVAL_PSK_FAILURE
:
851 reason
= " reason=PSK_FAILURE";
853 case P2P_GROUP_REMOVAL_FREQ_CONFLICT
:
854 reason
= " reason=FREQ_CONFLICT";
860 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
) {
861 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
862 P2P_EVENT_GROUP_REMOVED
"%s %s%s",
863 wpa_s
->ifname
, gtype
, reason
);
866 if (eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
) > 0)
867 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group freq_conflict timeout");
868 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
869 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
870 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
871 wpa_s
->parent
, NULL
) > 0) {
872 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group formation "
874 wpa_s
->p2p_in_provisioning
= 0;
877 wpa_s
->p2p_in_invitation
= 0;
880 * Make sure wait for the first client does not remain active after the
881 * group has been removed.
883 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
885 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
886 struct wpa_global
*global
;
888 enum wpa_driver_if_type type
;
889 wpa_printf(MSG_DEBUG
, "P2P: Remove group interface %s",
891 global
= wpa_s
->global
;
892 ifname
= os_strdup(wpa_s
->ifname
);
893 type
= wpas_p2p_if_type(wpa_s
->p2p_group_interface
);
894 eloop_cancel_timeout(run_wpas_p2p_disconnect
, wpa_s
, NULL
);
895 wpa_supplicant_remove_iface(wpa_s
->global
, wpa_s
, 0);
896 wpa_s
= global
->ifaces
;
898 wpa_drv_if_remove(wpa_s
, type
, ifname
);
903 if (!wpa_s
->p2p_go_group_formation_completed
) {
904 wpa_s
->global
->p2p_group_formation
= NULL
;
905 wpa_s
->p2p_in_provisioning
= 0;
908 wpa_s
->show_group_started
= 0;
909 os_free(wpa_s
->go_params
);
910 wpa_s
->go_params
= NULL
;
912 os_free(wpa_s
->p2p_group_common_freqs
);
913 wpa_s
->p2p_group_common_freqs
= NULL
;
914 wpa_s
->p2p_group_common_freqs_num
= 0;
916 wpa_s
->waiting_presence_resp
= 0;
918 wpa_printf(MSG_DEBUG
, "P2P: Remove temporary group network");
919 if (ssid
&& (ssid
->p2p_group
||
920 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
||
921 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))) {
923 if (ssid
== wpa_s
->current_ssid
) {
924 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
925 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
926 wpa_s
->current_ssid
= NULL
;
929 * Networks objects created during any P2P activities are not
930 * exposed out as they might/will confuse certain non-P2P aware
931 * applications since these network objects won't behave like
934 * Likewise, we don't send out network removed signals for such
937 wpa_config_remove_network(wpa_s
->conf
, id
);
938 wpa_supplicant_clear_status(wpa_s
);
939 wpa_supplicant_cancel_sched_scan(wpa_s
);
941 wpa_printf(MSG_DEBUG
, "P2P: Temporary group network not "
945 wpa_supplicant_ap_deinit(wpa_s
);
947 wpa_drv_deinit_p2p_cli(wpa_s
);
953 static int wpas_p2p_persistent_group(struct wpa_supplicant
*wpa_s
,
955 const u8
*ssid
, size_t ssid_len
)
963 if (wpa_s
->go_params
)
964 bssid
= wpa_s
->go_params
->peer_interface_addr
;
966 bssid
= wpa_s
->bssid
;
968 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
, ssid_len
);
969 if (bss
== NULL
&& wpa_s
->go_params
&&
970 !is_zero_ether_addr(wpa_s
->go_params
->peer_device_addr
))
971 bss
= wpa_bss_get_p2p_dev_addr(
972 wpa_s
, wpa_s
->go_params
->peer_device_addr
);
974 u8 iface_addr
[ETH_ALEN
];
975 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, bssid
,
977 bss
= wpa_bss_get(wpa_s
, iface_addr
, ssid
, ssid_len
);
980 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
981 "group is persistent - BSS " MACSTR
" not found",
986 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
988 p2p
= wpa_bss_get_vendor_ie_multi_beacon(bss
,
991 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
992 "group is persistent - BSS " MACSTR
993 " did not include P2P IE", MAC2STR(bssid
));
994 wpa_hexdump(MSG_DEBUG
, "P2P: Probe Response IEs",
995 (u8
*) (bss
+ 1), bss
->ie_len
);
996 wpa_hexdump(MSG_DEBUG
, "P2P: Beacon IEs",
997 ((u8
*) bss
+ 1) + bss
->ie_len
,
1002 group_capab
= p2p_get_group_capab(p2p
);
1003 addr
= p2p_get_go_dev_addr(p2p
);
1004 wpa_printf(MSG_DEBUG
, "P2P: Checking whether group is persistent: "
1005 "group_capab=0x%x", group_capab
);
1007 os_memcpy(go_dev_addr
, addr
, ETH_ALEN
);
1008 wpa_printf(MSG_DEBUG
, "P2P: GO Device Address " MACSTR
,
1011 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1014 wpa_printf(MSG_DEBUG
, "P2P: BSS " MACSTR
" group_capab=0x%x "
1015 "go_dev_addr=" MACSTR
,
1016 MAC2STR(bssid
), group_capab
, MAC2STR(go_dev_addr
));
1018 return group_capab
& P2P_GROUP_CAPAB_PERSISTENT_GROUP
;
1022 static int wpas_p2p_store_persistent_group(struct wpa_supplicant
*wpa_s
,
1023 struct wpa_ssid
*ssid
,
1024 const u8
*go_dev_addr
)
1029 wpa_printf(MSG_DEBUG
, "P2P: Storing credentials for a persistent "
1030 "group (GO Dev Addr " MACSTR
")", MAC2STR(go_dev_addr
));
1031 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
1032 if (s
->disabled
== 2 &&
1033 os_memcmp(go_dev_addr
, s
->bssid
, ETH_ALEN
) == 0 &&
1034 s
->ssid_len
== ssid
->ssid_len
&&
1035 os_memcmp(ssid
->ssid
, s
->ssid
, ssid
->ssid_len
) == 0)
1040 wpa_printf(MSG_DEBUG
, "P2P: Update existing persistent group "
1042 if (ssid
->passphrase
&& !s
->passphrase
)
1044 else if (ssid
->passphrase
&& s
->passphrase
&&
1045 os_strcmp(ssid
->passphrase
, s
->passphrase
) != 0)
1048 wpa_printf(MSG_DEBUG
, "P2P: Create a new persistent group "
1051 s
= wpa_config_add_network(wpa_s
->conf
);
1056 * Instead of network_added we emit persistent_group_added
1057 * notification. Also to keep the defense checks in
1058 * persistent_group obj registration method, we set the
1059 * relevant flags in s to designate it as a persistent group.
1062 s
->p2p_persistent_group
= 1;
1063 wpas_notify_persistent_group_added(wpa_s
, s
);
1064 wpa_config_set_network_defaults(s
);
1068 s
->p2p_persistent_group
= 1;
1071 os_memcpy(s
->bssid
, go_dev_addr
, ETH_ALEN
);
1072 s
->mode
= ssid
->mode
;
1073 s
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1074 s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1075 s
->proto
= WPA_PROTO_RSN
;
1076 s
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1078 if (ssid
->passphrase
) {
1079 os_free(s
->passphrase
);
1080 s
->passphrase
= os_strdup(ssid
->passphrase
);
1082 if (ssid
->psk_set
) {
1084 os_memcpy(s
->psk
, ssid
->psk
, 32);
1086 if (s
->passphrase
&& !s
->psk_set
)
1087 wpa_config_update_psk(s
);
1088 if (s
->ssid
== NULL
|| s
->ssid_len
< ssid
->ssid_len
) {
1090 s
->ssid
= os_malloc(ssid
->ssid_len
);
1093 s
->ssid_len
= ssid
->ssid_len
;
1094 os_memcpy(s
->ssid
, ssid
->ssid
, s
->ssid_len
);
1096 if (ssid
->mode
== WPAS_MODE_P2P_GO
&& wpa_s
->global
->add_psk
) {
1097 dl_list_add(&s
->psk_list
, &wpa_s
->global
->add_psk
->list
);
1098 wpa_s
->global
->add_psk
= NULL
;
1102 if (changed
&& wpa_s
->conf
->update_config
&&
1103 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
1104 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1111 static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant
*wpa_s
,
1114 struct wpa_ssid
*ssid
, *s
;
1118 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
1120 ssid
= wpa_s
->current_ssid
;
1121 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
1122 !ssid
->p2p_persistent_group
)
1125 for (s
= p2p_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
1126 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
1129 if (s
->ssid_len
== ssid
->ssid_len
&&
1130 os_memcmp(s
->ssid
, ssid
->ssid
, s
->ssid_len
) == 0)
1137 for (i
= 0; s
->p2p_client_list
&& i
< s
->num_p2p_clients
; i
++) {
1138 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
, addr
,
1142 if (i
== s
->num_p2p_clients
- 1)
1143 return; /* already the most recent entry */
1145 /* move the entry to mark it most recent */
1146 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
1147 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
1148 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
1149 os_memcpy(s
->p2p_client_list
+
1150 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
, addr
,
1152 os_memset(s
->p2p_client_list
+
1153 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1159 if (!found
&& s
->num_p2p_clients
< P2P_MAX_STORED_CLIENTS
) {
1160 n
= os_realloc_array(s
->p2p_client_list
,
1161 s
->num_p2p_clients
+ 1, 2 * ETH_ALEN
);
1164 os_memcpy(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
, addr
,
1166 os_memset(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
+ ETH_ALEN
,
1168 s
->p2p_client_list
= n
;
1169 s
->num_p2p_clients
++;
1170 } else if (!found
&& s
->p2p_client_list
) {
1171 /* Not enough room for an additional entry - drop the oldest
1173 os_memmove(s
->p2p_client_list
,
1174 s
->p2p_client_list
+ 2 * ETH_ALEN
,
1175 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
);
1176 os_memcpy(s
->p2p_client_list
+
1177 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
,
1179 os_memset(s
->p2p_client_list
+
1180 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1184 if (p2p_wpa_s
->conf
->update_config
&&
1185 wpa_config_write(p2p_wpa_s
->confname
, p2p_wpa_s
->conf
))
1186 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1190 static void wpas_p2p_group_started(struct wpa_supplicant
*wpa_s
,
1191 int go
, struct wpa_ssid
*ssid
, int freq
,
1192 const u8
*psk
, const char *passphrase
,
1193 const u8
*go_dev_addr
, int persistent
,
1196 const char *ssid_txt
;
1200 wpa_snprintf_hex(psk_txt
, sizeof(psk_txt
), psk
, 32);
1205 ssid_txt
= wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
);
1209 if (passphrase
&& passphrase
[0] == '\0')
1213 * Include PSK/passphrase only in the control interface message and
1214 * leave it out from the debug log entry.
1216 wpa_msg_global_ctrl(wpa_s
->parent
, MSG_INFO
,
1217 P2P_EVENT_GROUP_STARTED
1218 "%s %s ssid=\"%s\" freq=%d%s%s%s%s%s go_dev_addr="
1220 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1221 psk
? " psk=" : "", psk_txt
,
1222 passphrase
? " passphrase=\"" : "",
1223 passphrase
? passphrase
: "",
1224 passphrase
? "\"" : "",
1225 MAC2STR(go_dev_addr
),
1226 persistent
? " [PERSISTENT]" : "", extra
);
1227 wpa_printf(MSG_INFO
, P2P_EVENT_GROUP_STARTED
1228 "%s %s ssid=\"%s\" freq=%d go_dev_addr=" MACSTR
"%s%s",
1229 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1230 MAC2STR(go_dev_addr
), persistent
? " [PERSISTENT]" : "",
1235 static void wpas_group_formation_completed(struct wpa_supplicant
*wpa_s
,
1236 int success
, int already_deleted
)
1238 struct wpa_ssid
*ssid
;
1241 u8 go_dev_addr
[ETH_ALEN
];
1242 int network_id
= -1;
1245 * This callback is likely called for the main interface. Update wpa_s
1246 * to use the group interface if a new interface was created for the
1249 if (wpa_s
->global
->p2p_group_formation
)
1250 wpa_s
= wpa_s
->global
->p2p_group_formation
;
1251 if (wpa_s
->p2p_go_group_formation_completed
) {
1252 wpa_s
->global
->p2p_group_formation
= NULL
;
1253 wpa_s
->p2p_in_provisioning
= 0;
1255 wpa_s
->p2p_in_invitation
= 0;
1256 wpa_s
->group_formation_reported
= 1;
1259 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1260 P2P_EVENT_GROUP_FORMATION_FAILURE
);
1261 if (already_deleted
)
1263 wpas_p2p_group_delete(wpa_s
,
1264 P2P_GROUP_REMOVAL_FORMATION_FAILED
);
1268 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1269 P2P_EVENT_GROUP_FORMATION_SUCCESS
);
1271 ssid
= wpa_s
->current_ssid
;
1272 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
1273 ssid
->mode
= WPAS_MODE_P2P_GO
;
1274 p2p_group_notif_formation_done(wpa_s
->p2p_group
);
1275 wpa_supplicant_ap_mac_addr_filter(wpa_s
, NULL
);
1280 client
= ssid
->mode
== WPAS_MODE_INFRA
;
1281 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
1282 persistent
= ssid
->p2p_persistent_group
;
1283 os_memcpy(go_dev_addr
, wpa_s
->global
->p2p_dev_addr
,
1286 persistent
= wpas_p2p_persistent_group(wpa_s
,
1291 client
= wpa_s
->p2p_group_interface
==
1292 P2P_GROUP_INTERFACE_CLIENT
;
1293 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1296 wpa_s
->show_group_started
= 0;
1299 * Indicate event only after successfully completed 4-way
1300 * handshake, i.e., when the interface is ready for data
1303 wpa_s
->show_group_started
= 1;
1305 wpas_p2p_group_started(wpa_s
, 1, ssid
,
1306 ssid
? ssid
->frequency
: 0,
1307 ssid
&& ssid
->passphrase
== NULL
&&
1308 ssid
->psk_set
? ssid
->psk
: NULL
,
1309 ssid
? ssid
->passphrase
: NULL
,
1310 go_dev_addr
, persistent
, "");
1311 wpas_p2p_cross_connect_setup(wpa_s
);
1312 wpas_p2p_set_group_idle_timeout(wpa_s
);
1316 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
1319 os_free(wpa_s
->global
->add_psk
);
1320 wpa_s
->global
->add_psk
= NULL
;
1322 if (network_id
< 0 && ssid
)
1323 network_id
= ssid
->id
;
1325 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1326 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1331 struct send_action_work
{
1337 unsigned int wait_time
;
1342 static void wpas_p2p_send_action_work_timeout(void *eloop_ctx
,
1345 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1347 if (!wpa_s
->p2p_send_action_work
)
1350 wpa_printf(MSG_DEBUG
, "P2P: Send Action frame radio work timed out");
1351 os_free(wpa_s
->p2p_send_action_work
->ctx
);
1352 radio_work_done(wpa_s
->p2p_send_action_work
);
1353 wpa_s
->p2p_send_action_work
= NULL
;
1357 static void wpas_p2p_action_tx_clear(struct wpa_supplicant
*wpa_s
)
1359 if (wpa_s
->p2p_send_action_work
) {
1360 struct send_action_work
*awork
;
1361 awork
= wpa_s
->p2p_send_action_work
->ctx
;
1362 if (awork
->wait_time
== 0) {
1364 radio_work_done(wpa_s
->p2p_send_action_work
);
1365 wpa_s
->p2p_send_action_work
= NULL
;
1368 * In theory, this should not be needed, but number of
1369 * places in the P2P code is still using non-zero wait
1370 * time for the last Action frame in the sequence and
1371 * some of these do not call send_action_done().
1373 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1375 eloop_register_timeout(
1376 0, awork
->wait_time
* 1000,
1377 wpas_p2p_send_action_work_timeout
,
1384 static void wpas_p2p_send_action_tx_status(struct wpa_supplicant
*wpa_s
,
1386 const u8
*dst
, const u8
*src
,
1388 const u8
*data
, size_t data_len
,
1389 enum offchannel_send_action_result
1392 enum p2p_send_action_result res
= P2P_SEND_ACTION_SUCCESS
;
1394 wpas_p2p_action_tx_clear(wpa_s
);
1396 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
)
1400 case OFFCHANNEL_SEND_ACTION_SUCCESS
:
1401 res
= P2P_SEND_ACTION_SUCCESS
;
1403 case OFFCHANNEL_SEND_ACTION_NO_ACK
:
1404 res
= P2P_SEND_ACTION_NO_ACK
;
1406 case OFFCHANNEL_SEND_ACTION_FAILED
:
1407 res
= P2P_SEND_ACTION_FAILED
;
1411 p2p_send_action_cb(wpa_s
->global
->p2p
, freq
, dst
, src
, bssid
, res
);
1413 if (result
!= OFFCHANNEL_SEND_ACTION_SUCCESS
&&
1414 wpa_s
->pending_pd_before_join
&&
1415 (os_memcmp(dst
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
1416 os_memcmp(dst
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0) &&
1417 wpa_s
->p2p_fallback_to_go_neg
) {
1418 wpa_s
->pending_pd_before_join
= 0;
1419 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No ACK for PD Req "
1420 "during p2p_connect-auto");
1421 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
1422 P2P_EVENT_FALLBACK_TO_GO_NEG
1423 "reason=no-ACK-to-PD-Req");
1424 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
1430 static void wpas_send_action_cb(struct wpa_radio_work
*work
, int deinit
)
1432 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
1433 struct send_action_work
*awork
= work
->ctx
;
1436 if (work
->started
) {
1437 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1439 wpa_s
->p2p_send_action_work
= NULL
;
1440 offchannel_send_action_done(wpa_s
);
1446 if (offchannel_send_action(wpa_s
, awork
->freq
, awork
->dst
, awork
->src
,
1447 awork
->bssid
, awork
->buf
, awork
->len
,
1449 wpas_p2p_send_action_tx_status
, 1) < 0) {
1451 radio_work_done(work
);
1454 wpa_s
->p2p_send_action_work
= work
;
1458 static int wpas_send_action_work(struct wpa_supplicant
*wpa_s
,
1459 unsigned int freq
, const u8
*dst
,
1460 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1461 size_t len
, unsigned int wait_time
)
1463 struct send_action_work
*awork
;
1465 if (wpa_s
->p2p_send_action_work
) {
1466 wpa_printf(MSG_DEBUG
, "P2P: Cannot schedule new p2p-send-action work since one is already pending");
1470 awork
= os_zalloc(sizeof(*awork
) + len
);
1475 os_memcpy(awork
->dst
, dst
, ETH_ALEN
);
1476 os_memcpy(awork
->src
, src
, ETH_ALEN
);
1477 os_memcpy(awork
->bssid
, bssid
, ETH_ALEN
);
1479 awork
->wait_time
= wait_time
;
1480 os_memcpy(awork
->buf
, buf
, len
);
1482 if (radio_add_work(wpa_s
, freq
, "p2p-send-action", 0,
1483 wpas_send_action_cb
, awork
) < 0) {
1492 static int wpas_send_action(void *ctx
, unsigned int freq
, const u8
*dst
,
1493 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1494 size_t len
, unsigned int wait_time
)
1496 struct wpa_supplicant
*wpa_s
= ctx
;
1497 int listen_freq
= -1, send_freq
= -1;
1499 if (wpa_s
->p2p_listen_work
)
1500 listen_freq
= wpa_s
->p2p_listen_work
->freq
;
1501 if (wpa_s
->p2p_send_action_work
)
1502 send_freq
= wpa_s
->p2p_send_action_work
->freq
;
1503 if (listen_freq
!= (int) freq
&& send_freq
!= (int) freq
) {
1504 wpa_printf(MSG_DEBUG
, "P2P: Schedule new radio work for Action frame TX (listen_freq=%d send_freq=%d)",
1505 listen_freq
, send_freq
);
1506 return wpas_send_action_work(wpa_s
, freq
, dst
, src
, bssid
, buf
,
1510 wpa_printf(MSG_DEBUG
, "P2P: Use ongoing radio work for Action frame TX");
1511 return offchannel_send_action(wpa_s
, freq
, dst
, src
, bssid
, buf
, len
,
1513 wpas_p2p_send_action_tx_status
, 1);
1517 static void wpas_send_action_done(void *ctx
)
1519 struct wpa_supplicant
*wpa_s
= ctx
;
1521 if (wpa_s
->p2p_send_action_work
) {
1522 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1524 os_free(wpa_s
->p2p_send_action_work
->ctx
);
1525 radio_work_done(wpa_s
->p2p_send_action_work
);
1526 wpa_s
->p2p_send_action_work
= NULL
;
1529 offchannel_send_action_done(wpa_s
);
1533 static int wpas_copy_go_neg_results(struct wpa_supplicant
*wpa_s
,
1534 struct p2p_go_neg_results
*params
)
1536 if (wpa_s
->go_params
== NULL
) {
1537 wpa_s
->go_params
= os_malloc(sizeof(*params
));
1538 if (wpa_s
->go_params
== NULL
)
1541 os_memcpy(wpa_s
->go_params
, params
, sizeof(*params
));
1546 static void wpas_start_wps_enrollee(struct wpa_supplicant
*wpa_s
,
1547 struct p2p_go_neg_results
*res
)
1549 wpa_s
->group_formation_reported
= 0;
1550 wpa_printf(MSG_DEBUG
, "P2P: Start WPS Enrollee for peer " MACSTR
1551 " dev_addr " MACSTR
" wps_method %d",
1552 MAC2STR(res
->peer_interface_addr
),
1553 MAC2STR(res
->peer_device_addr
), res
->wps_method
);
1554 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Start WPS Enrollee for SSID",
1555 res
->ssid
, res
->ssid_len
);
1556 wpa_supplicant_ap_deinit(wpa_s
);
1557 wpas_copy_go_neg_results(wpa_s
, res
);
1558 if (res
->wps_method
== WPS_PBC
) {
1559 wpas_wps_start_pbc(wpa_s
, res
->peer_interface_addr
, 1);
1560 #ifdef CONFIG_WPS_NFC
1561 } else if (res
->wps_method
== WPS_NFC
) {
1562 wpas_wps_start_nfc(wpa_s
, res
->peer_device_addr
,
1563 res
->peer_interface_addr
,
1564 wpa_s
->parent
->p2p_oob_dev_pw
,
1565 wpa_s
->parent
->p2p_oob_dev_pw_id
, 1,
1566 wpa_s
->parent
->p2p_oob_dev_pw_id
==
1567 DEV_PW_NFC_CONNECTION_HANDOVER
?
1568 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
:
1571 #endif /* CONFIG_WPS_NFC */
1573 u16 dev_pw_id
= DEV_PW_DEFAULT
;
1574 if (wpa_s
->p2p_wps_method
== WPS_P2PS
)
1575 dev_pw_id
= DEV_PW_P2PS_DEFAULT
;
1576 if (wpa_s
->p2p_wps_method
== WPS_PIN_KEYPAD
)
1577 dev_pw_id
= DEV_PW_REGISTRAR_SPECIFIED
;
1578 wpas_wps_start_pin(wpa_s
, res
->peer_interface_addr
,
1579 wpa_s
->p2p_pin
, 1, dev_pw_id
);
1584 static void wpas_p2p_add_psk_list(struct wpa_supplicant
*wpa_s
,
1585 struct wpa_ssid
*ssid
)
1587 struct wpa_ssid
*persistent
;
1588 struct psk_list_entry
*psk
;
1589 struct hostapd_data
*hapd
;
1591 if (!wpa_s
->ap_iface
)
1594 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
1596 if (persistent
== NULL
)
1599 hapd
= wpa_s
->ap_iface
->bss
[0];
1601 dl_list_for_each(psk
, &persistent
->psk_list
, struct psk_list_entry
,
1603 struct hostapd_wpa_psk
*hpsk
;
1605 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add persistent group PSK entry for "
1607 MAC2STR(psk
->addr
), psk
->p2p
);
1608 hpsk
= os_zalloc(sizeof(*hpsk
));
1611 os_memcpy(hpsk
->psk
, psk
->psk
, PMK_LEN
);
1613 os_memcpy(hpsk
->p2p_dev_addr
, psk
->addr
, ETH_ALEN
);
1615 os_memcpy(hpsk
->addr
, psk
->addr
, ETH_ALEN
);
1616 hpsk
->next
= hapd
->conf
->ssid
.wpa_psk
;
1617 hapd
->conf
->ssid
.wpa_psk
= hpsk
;
1622 static void p2p_go_dump_common_freqs(struct wpa_supplicant
*wpa_s
)
1626 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Common group frequencies (len=%u):",
1627 wpa_s
->p2p_group_common_freqs_num
);
1629 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++)
1630 wpa_dbg(wpa_s
, MSG_DEBUG
, "freq[%u]: %d",
1631 i
, wpa_s
->p2p_group_common_freqs
[i
]);
1635 static void p2p_go_save_group_common_freqs(struct wpa_supplicant
*wpa_s
,
1636 struct p2p_go_neg_results
*params
)
1638 unsigned int i
, len
= int_array_len(wpa_s
->go_params
->freq_list
);
1640 wpa_s
->p2p_group_common_freqs_num
= 0;
1641 os_free(wpa_s
->p2p_group_common_freqs
);
1642 wpa_s
->p2p_group_common_freqs
= os_calloc(len
, sizeof(int));
1643 if (!wpa_s
->p2p_group_common_freqs
)
1646 for (i
= 0; i
< len
; i
++) {
1647 if (!wpa_s
->go_params
->freq_list
[i
])
1649 wpa_s
->p2p_group_common_freqs
[i
] =
1650 wpa_s
->go_params
->freq_list
[i
];
1652 wpa_s
->p2p_group_common_freqs_num
= i
;
1656 static void p2p_config_write(struct wpa_supplicant
*wpa_s
)
1658 #ifndef CONFIG_NO_CONFIG_WRITE
1659 if (wpa_s
->parent
->conf
->update_config
&&
1660 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
1661 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1662 #endif /* CONFIG_NO_CONFIG_WRITE */
1666 static void p2p_go_configured(void *ctx
, void *data
)
1668 struct wpa_supplicant
*wpa_s
= ctx
;
1669 struct p2p_go_neg_results
*params
= data
;
1670 struct wpa_ssid
*ssid
;
1671 int network_id
= -1;
1673 p2p_go_save_group_common_freqs(wpa_s
, params
);
1674 p2p_go_dump_common_freqs(wpa_s
);
1676 ssid
= wpa_s
->current_ssid
;
1677 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GO
) {
1678 wpa_printf(MSG_DEBUG
, "P2P: Group setup without provisioning");
1679 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
1680 wpa_s
->global
->p2p_group_formation
= NULL
;
1681 wpas_p2p_group_started(wpa_s
, 1, ssid
, ssid
->frequency
,
1682 params
->passphrase
[0] == '\0' ?
1685 wpa_s
->global
->p2p_dev_addr
,
1686 params
->persistent_group
, "");
1687 wpa_s
->group_formation_reported
= 1;
1689 if (wpa_s
->parent
->p2ps_join_addr_valid
) {
1690 wpa_dbg(wpa_s
, MSG_DEBUG
,
1691 "P2PS: Setting default PIN for " MACSTR
,
1692 MAC2STR(wpa_s
->parent
->p2ps_join_addr
));
1693 wpa_supplicant_ap_wps_pin(wpa_s
,
1694 wpa_s
->parent
->p2ps_join_addr
,
1695 "12345670", NULL
, 0, 0);
1696 wpa_s
->parent
->p2ps_join_addr_valid
= 0;
1699 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1700 if (params
->persistent_group
) {
1701 network_id
= wpas_p2p_store_persistent_group(
1702 wpa_s
->parent
, ssid
,
1703 wpa_s
->global
->p2p_dev_addr
);
1704 wpas_p2p_add_psk_list(wpa_s
, ssid
);
1707 network_id
= ssid
->id
;
1708 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 0);
1709 wpas_p2p_cross_connect_setup(wpa_s
);
1710 wpas_p2p_set_group_idle_timeout(wpa_s
);
1712 if (wpa_s
->p2p_first_connection_timeout
) {
1713 wpa_dbg(wpa_s
, MSG_DEBUG
,
1714 "P2P: Start group formation timeout of %d seconds until first data connection on GO",
1715 wpa_s
->p2p_first_connection_timeout
);
1716 wpa_s
->p2p_go_group_formation_completed
= 0;
1717 wpa_s
->global
->p2p_group_formation
= wpa_s
;
1718 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1719 wpa_s
->parent
, NULL
);
1720 eloop_register_timeout(
1721 wpa_s
->p2p_first_connection_timeout
, 0,
1722 wpas_p2p_group_formation_timeout
,
1723 wpa_s
->parent
, NULL
);
1729 wpa_printf(MSG_DEBUG
, "P2P: Setting up WPS for GO provisioning");
1730 if (wpa_supplicant_ap_mac_addr_filter(wpa_s
,
1731 params
->peer_interface_addr
)) {
1732 wpa_printf(MSG_DEBUG
, "P2P: Failed to setup MAC address "
1736 if (params
->wps_method
== WPS_PBC
) {
1737 wpa_supplicant_ap_wps_pbc(wpa_s
, params
->peer_interface_addr
,
1738 params
->peer_device_addr
);
1739 #ifdef CONFIG_WPS_NFC
1740 } else if (params
->wps_method
== WPS_NFC
) {
1741 if (wpa_s
->parent
->p2p_oob_dev_pw_id
!=
1742 DEV_PW_NFC_CONNECTION_HANDOVER
&&
1743 !wpa_s
->parent
->p2p_oob_dev_pw
) {
1744 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
1747 wpas_ap_wps_add_nfc_pw(
1748 wpa_s
, wpa_s
->parent
->p2p_oob_dev_pw_id
,
1749 wpa_s
->parent
->p2p_oob_dev_pw
,
1750 wpa_s
->parent
->p2p_peer_oob_pk_hash_known
?
1751 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
: NULL
);
1752 #endif /* CONFIG_WPS_NFC */
1753 } else if (wpa_s
->p2p_pin
[0])
1754 wpa_supplicant_ap_wps_pin(wpa_s
, params
->peer_interface_addr
,
1755 wpa_s
->p2p_pin
, NULL
, 0, 0);
1756 os_free(wpa_s
->go_params
);
1757 wpa_s
->go_params
= NULL
;
1761 static void wpas_start_wps_go(struct wpa_supplicant
*wpa_s
,
1762 struct p2p_go_neg_results
*params
,
1763 int group_formation
)
1765 struct wpa_ssid
*ssid
;
1767 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Starting GO");
1768 if (wpas_copy_go_neg_results(wpa_s
, params
) < 0) {
1769 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not copy GO Negotiation "
1774 ssid
= wpa_config_add_network(wpa_s
->conf
);
1776 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not add network for GO");
1780 wpa_s
->show_group_started
= 0;
1781 wpa_s
->p2p_go_group_formation_completed
= 0;
1782 wpa_s
->group_formation_reported
= 0;
1784 wpa_config_set_network_defaults(ssid
);
1785 ssid
->temporary
= 1;
1786 ssid
->p2p_group
= 1;
1787 ssid
->p2p_persistent_group
= params
->persistent_group
;
1788 ssid
->mode
= group_formation
? WPAS_MODE_P2P_GROUP_FORMATION
:
1790 ssid
->frequency
= params
->freq
;
1791 ssid
->ht40
= params
->ht40
;
1792 ssid
->vht
= params
->vht
;
1793 ssid
->ssid
= os_zalloc(params
->ssid_len
+ 1);
1795 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
1796 ssid
->ssid_len
= params
->ssid_len
;
1798 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1799 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1800 ssid
->proto
= WPA_PROTO_RSN
;
1801 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1802 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
1803 if (params
->freq
> 56160) {
1805 * Enable GCMP instead of CCMP as pairwise_cipher and
1806 * group_cipher in 60 GHz.
1808 ssid
->pairwise_cipher
= WPA_CIPHER_GCMP
;
1809 ssid
->group_cipher
= WPA_CIPHER_GCMP
;
1811 if (os_strlen(params
->passphrase
) > 0) {
1812 ssid
->passphrase
= os_strdup(params
->passphrase
);
1813 if (ssid
->passphrase
== NULL
) {
1814 wpa_msg_global(wpa_s
, MSG_ERROR
,
1815 "P2P: Failed to copy passphrase for GO");
1816 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1820 ssid
->passphrase
= NULL
;
1821 ssid
->psk_set
= params
->psk_set
;
1823 os_memcpy(ssid
->psk
, params
->psk
, sizeof(ssid
->psk
));
1824 else if (ssid
->passphrase
)
1825 wpa_config_update_psk(ssid
);
1826 ssid
->ap_max_inactivity
= wpa_s
->parent
->conf
->p2p_go_max_inactivity
;
1828 wpa_s
->ap_configured_cb
= p2p_go_configured
;
1829 wpa_s
->ap_configured_cb_ctx
= wpa_s
;
1830 wpa_s
->ap_configured_cb_data
= wpa_s
->go_params
;
1831 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
1832 wpa_s
->connect_without_scan
= ssid
;
1833 wpa_s
->reassociate
= 1;
1834 wpa_s
->disconnected
= 0;
1835 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Request scan (that will be skipped) to "
1837 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1841 static void wpas_p2p_clone_config(struct wpa_supplicant
*dst
,
1842 const struct wpa_supplicant
*src
)
1844 struct wpa_config
*d
;
1845 const struct wpa_config
*s
;
1850 #define C(n) if (s->n) d->n = os_strdup(s->n)
1859 os_memcpy(d
->device_type
, s
->device_type
, WPS_DEV_TYPE_LEN
);
1860 os_memcpy(d
->sec_device_type
, s
->sec_device_type
,
1861 sizeof(d
->sec_device_type
));
1862 d
->num_sec_device_types
= s
->num_sec_device_types
;
1864 d
->p2p_group_idle
= s
->p2p_group_idle
;
1865 d
->p2p_intra_bss
= s
->p2p_intra_bss
;
1866 d
->persistent_reconnect
= s
->persistent_reconnect
;
1867 d
->max_num_sta
= s
->max_num_sta
;
1868 d
->pbc_in_m1
= s
->pbc_in_m1
;
1869 d
->ignore_old_scan_res
= s
->ignore_old_scan_res
;
1870 d
->beacon_int
= s
->beacon_int
;
1871 d
->dtim_period
= s
->dtim_period
;
1872 d
->p2p_go_ctwindow
= s
->p2p_go_ctwindow
;
1873 d
->disassoc_low_ack
= s
->disassoc_low_ack
;
1874 d
->disable_scan_offload
= s
->disable_scan_offload
;
1875 d
->passive_scan
= s
->passive_scan
;
1877 if (s
->wps_nfc_dh_privkey
&& s
->wps_nfc_dh_pubkey
) {
1878 d
->wps_nfc_dh_privkey
= wpabuf_dup(s
->wps_nfc_dh_privkey
);
1879 d
->wps_nfc_dh_pubkey
= wpabuf_dup(s
->wps_nfc_dh_pubkey
);
1881 d
->p2p_cli_probe
= s
->p2p_cli_probe
;
1885 static void wpas_p2p_get_group_ifname(struct wpa_supplicant
*wpa_s
,
1886 char *ifname
, size_t len
)
1888 char *ifname_ptr
= wpa_s
->ifname
;
1890 if (os_strncmp(wpa_s
->ifname
, P2P_MGMT_DEVICE_PREFIX
,
1891 os_strlen(P2P_MGMT_DEVICE_PREFIX
)) == 0) {
1892 ifname_ptr
= os_strrchr(wpa_s
->ifname
, '-') + 1;
1895 os_snprintf(ifname
, len
, "p2p-%s-%d", ifname_ptr
, wpa_s
->p2p_group_idx
);
1896 if (os_strlen(ifname
) >= IFNAMSIZ
&&
1897 os_strlen(wpa_s
->ifname
) < IFNAMSIZ
) {
1900 /* Try to avoid going over the IFNAMSIZ length limit */
1901 res
= os_snprintf(ifname
, len
, "p2p-%d", wpa_s
->p2p_group_idx
);
1902 if (os_snprintf_error(len
, res
) && len
)
1903 ifname
[len
- 1] = '\0';
1908 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
1909 enum wpa_driver_if_type type
)
1911 char ifname
[120], force_ifname
[120];
1913 if (wpa_s
->pending_interface_name
[0]) {
1914 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual interface exists "
1915 "- skip creation of a new one");
1916 if (is_zero_ether_addr(wpa_s
->pending_interface_addr
)) {
1917 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual address "
1918 "unknown?! ifname='%s'",
1919 wpa_s
->pending_interface_name
);
1925 wpas_p2p_get_group_ifname(wpa_s
, ifname
, sizeof(ifname
));
1926 force_ifname
[0] = '\0';
1928 wpa_printf(MSG_DEBUG
, "P2P: Create a new interface %s for the group",
1930 wpa_s
->p2p_group_idx
++;
1932 wpa_s
->pending_interface_type
= type
;
1933 if (wpa_drv_if_add(wpa_s
, type
, ifname
, NULL
, NULL
, force_ifname
,
1934 wpa_s
->pending_interface_addr
, NULL
) < 0) {
1935 wpa_printf(MSG_ERROR
, "P2P: Failed to create new group "
1940 if (force_ifname
[0]) {
1941 wpa_printf(MSG_DEBUG
, "P2P: Driver forced interface name %s",
1943 os_strlcpy(wpa_s
->pending_interface_name
, force_ifname
,
1944 sizeof(wpa_s
->pending_interface_name
));
1946 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
1947 sizeof(wpa_s
->pending_interface_name
));
1948 wpa_printf(MSG_DEBUG
, "P2P: Created pending virtual interface %s addr "
1949 MACSTR
, wpa_s
->pending_interface_name
,
1950 MAC2STR(wpa_s
->pending_interface_addr
));
1956 static void wpas_p2p_remove_pending_group_interface(
1957 struct wpa_supplicant
*wpa_s
)
1959 if (!wpa_s
->pending_interface_name
[0] ||
1960 is_zero_ether_addr(wpa_s
->pending_interface_addr
))
1961 return; /* No pending virtual interface */
1963 wpa_printf(MSG_DEBUG
, "P2P: Removing pending group interface %s",
1964 wpa_s
->pending_interface_name
);
1965 wpa_drv_if_remove(wpa_s
, wpa_s
->pending_interface_type
,
1966 wpa_s
->pending_interface_name
);
1967 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
1968 wpa_s
->pending_interface_name
[0] = '\0';
1969 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
1973 static struct wpa_supplicant
*
1974 wpas_p2p_init_group_interface(struct wpa_supplicant
*wpa_s
, int go
)
1976 struct wpa_interface iface
;
1977 struct wpa_supplicant
*group_wpa_s
;
1979 if (!wpa_s
->pending_interface_name
[0]) {
1980 wpa_printf(MSG_ERROR
, "P2P: No pending group interface");
1981 if (!wpas_p2p_create_iface(wpa_s
))
1984 * Something has forced us to remove the pending interface; try
1985 * to create a new one and hope for the best that we will get
1986 * the same local address.
1988 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
1989 WPA_IF_P2P_CLIENT
) < 0)
1993 os_memset(&iface
, 0, sizeof(iface
));
1994 iface
.ifname
= wpa_s
->pending_interface_name
;
1995 iface
.driver
= wpa_s
->driver
->name
;
1996 if (wpa_s
->conf
->ctrl_interface
== NULL
&&
1997 wpa_s
->parent
!= wpa_s
&&
1999 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
))
2000 iface
.ctrl_interface
= wpa_s
->parent
->conf
->ctrl_interface
;
2002 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
2003 iface
.driver_param
= wpa_s
->conf
->driver_param
;
2004 group_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
2005 if (group_wpa_s
== NULL
) {
2006 wpa_printf(MSG_ERROR
, "P2P: Failed to create new "
2007 "wpa_supplicant interface");
2010 wpa_s
->pending_interface_name
[0] = '\0';
2011 group_wpa_s
->p2p_group_interface
= go
? P2P_GROUP_INTERFACE_GO
:
2012 P2P_GROUP_INTERFACE_CLIENT
;
2013 wpa_s
->global
->p2p_group_formation
= group_wpa_s
;
2014 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
2016 wpas_p2p_clone_config(group_wpa_s
, wpa_s
);
2022 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
2025 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
2026 wpa_printf(MSG_DEBUG
, "P2P: Group Formation timed out");
2027 wpas_p2p_group_formation_failed(wpa_s
, 0);
2031 static void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
,
2032 int already_deleted
)
2034 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2035 wpa_s
->parent
, NULL
);
2036 if (wpa_s
->global
->p2p
)
2037 p2p_group_formation_failed(wpa_s
->global
->p2p
);
2038 wpas_group_formation_completed(wpa_s
, 0, already_deleted
);
2042 static void wpas_p2p_grpform_fail_after_wps(struct wpa_supplicant
*wpa_s
)
2044 wpa_printf(MSG_DEBUG
, "P2P: Reject group formation due to WPS provisioning failure");
2045 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2046 wpa_s
->parent
, NULL
);
2047 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2048 wpa_s
->parent
, NULL
);
2049 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
2053 void wpas_p2p_ap_setup_failed(struct wpa_supplicant
*wpa_s
)
2055 if (wpa_s
->global
->p2p_group_formation
!= wpa_s
)
2057 /* Speed up group formation timeout since this cannot succeed */
2058 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2059 wpa_s
->parent
, NULL
);
2060 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2061 wpa_s
->parent
, NULL
);
2065 static void wpas_go_neg_completed(void *ctx
, struct p2p_go_neg_results
*res
)
2067 struct wpa_supplicant
*wpa_s
= ctx
;
2069 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2070 wpa_drv_cancel_remain_on_channel(wpa_s
);
2071 wpa_s
->off_channel_freq
= 0;
2072 wpa_s
->roc_waiting_drv_freq
= 0;
2076 wpa_msg_global(wpa_s
, MSG_INFO
,
2077 P2P_EVENT_GO_NEG_FAILURE
"status=%d",
2079 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2080 wpas_p2p_remove_pending_group_interface(wpa_s
);
2084 if (wpa_s
->p2p_go_ht40
)
2086 if (wpa_s
->p2p_go_vht
)
2089 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_SUCCESS
"role=%s "
2090 "freq=%d ht40=%d peer_dev=" MACSTR
" peer_iface=" MACSTR
2092 res
->role_go
? "GO" : "client", res
->freq
, res
->ht40
,
2093 MAC2STR(res
->peer_device_addr
),
2094 MAC2STR(res
->peer_interface_addr
),
2095 p2p_wps_method_text(res
->wps_method
));
2096 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2098 if (res
->role_go
&& wpa_s
->p2p_persistent_id
>= 0) {
2099 struct wpa_ssid
*ssid
;
2100 ssid
= wpa_config_get_network(wpa_s
->conf
,
2101 wpa_s
->p2p_persistent_id
);
2102 if (ssid
&& ssid
->disabled
== 2 &&
2103 ssid
->mode
== WPAS_MODE_P2P_GO
&& ssid
->passphrase
) {
2104 size_t len
= os_strlen(ssid
->passphrase
);
2105 wpa_printf(MSG_DEBUG
, "P2P: Override passphrase based "
2106 "on requested persistent group");
2107 os_memcpy(res
->passphrase
, ssid
->passphrase
, len
);
2108 res
->passphrase
[len
] = '\0';
2112 if (wpa_s
->create_p2p_iface
) {
2113 struct wpa_supplicant
*group_wpa_s
=
2114 wpas_p2p_init_group_interface(wpa_s
, res
->role_go
);
2115 if (group_wpa_s
== NULL
) {
2116 wpas_p2p_remove_pending_group_interface(wpa_s
);
2117 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
,
2119 wpas_p2p_group_formation_failed(wpa_s
, 1);
2122 if (group_wpa_s
!= wpa_s
) {
2123 os_memcpy(group_wpa_s
->p2p_pin
, wpa_s
->p2p_pin
,
2124 sizeof(group_wpa_s
->p2p_pin
));
2125 group_wpa_s
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
2127 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
2128 wpa_s
->pending_interface_name
[0] = '\0';
2129 group_wpa_s
->p2p_in_provisioning
= 1;
2132 wpas_start_wps_go(group_wpa_s
, res
, 1);
2134 wpas_start_wps_enrollee(group_wpa_s
, res
);
2136 wpa_s
->p2p_in_provisioning
= 1;
2137 wpa_s
->global
->p2p_group_formation
= wpa_s
;
2140 wpas_start_wps_go(wpa_s
, res
, 1);
2142 wpas_start_wps_enrollee(ctx
, res
);
2145 wpa_s
->p2p_long_listen
= 0;
2146 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
2148 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2149 eloop_register_timeout(15 + res
->peer_config_timeout
/ 100,
2150 (res
->peer_config_timeout
% 100) * 10000,
2151 wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2155 static void wpas_go_neg_req_rx(void *ctx
, const u8
*src
, u16 dev_passwd_id
,
2158 struct wpa_supplicant
*wpa_s
= ctx
;
2159 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_REQUEST MACSTR
2160 " dev_passwd_id=%u go_intent=%u", MAC2STR(src
),
2161 dev_passwd_id
, go_intent
);
2163 wpas_notify_p2p_go_neg_req(wpa_s
, src
, dev_passwd_id
, go_intent
);
2167 static void wpas_dev_found(void *ctx
, const u8
*addr
,
2168 const struct p2p_peer_info
*info
,
2171 #ifndef CONFIG_NO_STDOUT_DEBUG
2172 struct wpa_supplicant
*wpa_s
= ctx
;
2173 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2174 char *wfd_dev_info_hex
= NULL
;
2176 #ifdef CONFIG_WIFI_DISPLAY
2177 wfd_dev_info_hex
= wifi_display_subelem_hex(info
->wfd_subelems
,
2178 WFD_SUBELEM_DEVICE_INFO
);
2179 #endif /* CONFIG_WIFI_DISPLAY */
2181 if (info
->p2ps_instance
) {
2183 const u8
*buf
= wpabuf_head(info
->p2ps_instance
);
2184 size_t len
= wpabuf_len(info
->p2ps_instance
);
2191 if (len
< 4 + 2 + 1)
2193 id
= WPA_GET_LE32(buf
);
2195 methods
= WPA_GET_BE16(buf
);
2198 if (str_len
> len
- 4 - 2 - 1)
2200 os_memcpy(str
, buf
, str_len
);
2201 str
[str_len
] = '\0';
2203 len
-= str_len
+ sizeof(u32
) + sizeof(u16
) + sizeof(u8
);
2205 wpa_msg_global(wpa_s
, MSG_INFO
,
2206 P2P_EVENT_DEVICE_FOUND MACSTR
2207 " p2p_dev_addr=" MACSTR
2208 " pri_dev_type=%s name='%s'"
2209 " config_methods=0x%x"
2212 " adv_id=%x asp_svc=%s%s",
2214 MAC2STR(info
->p2p_device_addr
),
2215 wps_dev_type_bin2str(
2217 devtype
, sizeof(devtype
)),
2218 info
->device_name
, methods
,
2219 info
->dev_capab
, info
->group_capab
,
2221 info
->vendor_elems
?
2222 " vendor_elems=1" : "");
2227 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_FOUND MACSTR
2228 " p2p_dev_addr=" MACSTR
2229 " pri_dev_type=%s name='%s' config_methods=0x%x "
2230 "dev_capab=0x%x group_capab=0x%x%s%s%s new=%d",
2231 MAC2STR(addr
), MAC2STR(info
->p2p_device_addr
),
2232 wps_dev_type_bin2str(info
->pri_dev_type
, devtype
,
2234 info
->device_name
, info
->config_methods
,
2235 info
->dev_capab
, info
->group_capab
,
2236 wfd_dev_info_hex
? " wfd_dev_info=0x" : "",
2237 wfd_dev_info_hex
? wfd_dev_info_hex
: "",
2238 info
->vendor_elems
? " vendor_elems=1" : "",
2242 os_free(wfd_dev_info_hex
);
2243 #endif /* CONFIG_NO_STDOUT_DEBUG */
2245 wpas_notify_p2p_device_found(ctx
, info
->p2p_device_addr
, new_device
);
2249 static void wpas_dev_lost(void *ctx
, const u8
*dev_addr
)
2251 struct wpa_supplicant
*wpa_s
= ctx
;
2253 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_LOST
2254 "p2p_dev_addr=" MACSTR
, MAC2STR(dev_addr
));
2256 wpas_notify_p2p_device_lost(wpa_s
, dev_addr
);
2260 static void wpas_find_stopped(void *ctx
)
2262 struct wpa_supplicant
*wpa_s
= ctx
;
2263 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_FIND_STOPPED
);
2264 wpas_notify_p2p_find_stopped(wpa_s
);
2268 struct wpas_p2p_listen_work
{
2270 unsigned int duration
;
2271 struct wpabuf
*probe_resp_ie
;
2275 static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work
*lwork
)
2279 wpabuf_free(lwork
->probe_resp_ie
);
2284 static void wpas_p2p_listen_work_done(struct wpa_supplicant
*wpa_s
)
2286 struct wpas_p2p_listen_work
*lwork
;
2288 if (!wpa_s
->p2p_listen_work
)
2291 lwork
= wpa_s
->p2p_listen_work
->ctx
;
2292 wpas_p2p_listen_work_free(lwork
);
2293 radio_work_done(wpa_s
->p2p_listen_work
);
2294 wpa_s
->p2p_listen_work
= NULL
;
2298 static void wpas_start_listen_cb(struct wpa_radio_work
*work
, int deinit
)
2300 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
2301 struct wpas_p2p_listen_work
*lwork
= work
->ctx
;
2302 unsigned int duration
;
2305 if (work
->started
) {
2306 wpa_s
->p2p_listen_work
= NULL
;
2307 wpas_stop_listen(wpa_s
);
2309 wpas_p2p_listen_work_free(lwork
);
2313 wpa_s
->p2p_listen_work
= work
;
2315 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, lwork
->probe_resp_ie
, NULL
);
2317 if (wpa_drv_probe_req_report(wpa_s
, 1) < 0) {
2318 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver to "
2319 "report received Probe Request frames");
2320 wpas_p2p_listen_work_done(wpa_s
);
2324 wpa_s
->pending_listen_freq
= lwork
->freq
;
2325 wpa_s
->pending_listen_duration
= lwork
->duration
;
2327 duration
= lwork
->duration
;
2328 #ifdef CONFIG_TESTING_OPTIONS
2329 if (wpa_s
->extra_roc_dur
) {
2330 wpa_printf(MSG_DEBUG
, "TESTING: Increase ROC duration %u -> %u",
2331 duration
, duration
+ wpa_s
->extra_roc_dur
);
2332 duration
+= wpa_s
->extra_roc_dur
;
2334 #endif /* CONFIG_TESTING_OPTIONS */
2336 if (wpa_drv_remain_on_channel(wpa_s
, lwork
->freq
, duration
) < 0) {
2337 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver "
2338 "to remain on channel (%u MHz) for Listen "
2339 "state", lwork
->freq
);
2340 wpas_p2p_listen_work_done(wpa_s
);
2341 wpa_s
->pending_listen_freq
= 0;
2344 wpa_s
->off_channel_freq
= 0;
2345 wpa_s
->roc_waiting_drv_freq
= lwork
->freq
;
2349 static int wpas_start_listen(void *ctx
, unsigned int freq
,
2350 unsigned int duration
,
2351 const struct wpabuf
*probe_resp_ie
)
2353 struct wpa_supplicant
*wpa_s
= ctx
;
2354 struct wpas_p2p_listen_work
*lwork
;
2356 if (wpa_s
->p2p_listen_work
) {
2357 wpa_printf(MSG_DEBUG
, "P2P: Reject start_listen since p2p_listen_work already exists");
2361 lwork
= os_zalloc(sizeof(*lwork
));
2365 lwork
->duration
= duration
;
2366 if (probe_resp_ie
) {
2367 lwork
->probe_resp_ie
= wpabuf_dup(probe_resp_ie
);
2368 if (lwork
->probe_resp_ie
== NULL
) {
2369 wpas_p2p_listen_work_free(lwork
);
2374 if (radio_add_work(wpa_s
, freq
, "p2p-listen", 0, wpas_start_listen_cb
,
2376 wpas_p2p_listen_work_free(lwork
);
2384 static void wpas_stop_listen(void *ctx
)
2386 struct wpa_supplicant
*wpa_s
= ctx
;
2387 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2388 wpa_drv_cancel_remain_on_channel(wpa_s
);
2389 wpa_s
->off_channel_freq
= 0;
2390 wpa_s
->roc_waiting_drv_freq
= 0;
2392 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, NULL
, NULL
);
2395 * Don't cancel Probe Request RX reporting for a connected P2P Client
2396 * handling Probe Request frames.
2398 if (!wpa_s
->p2p_cli_probe
)
2399 wpa_drv_probe_req_report(wpa_s
, 0);
2401 wpas_p2p_listen_work_done(wpa_s
);
2405 static int wpas_send_probe_resp(void *ctx
, const struct wpabuf
*buf
,
2408 struct wpa_supplicant
*wpa_s
= ctx
;
2409 return wpa_drv_send_mlme(wpa_s
, wpabuf_head(buf
), wpabuf_len(buf
), 1,
2414 static void wpas_prov_disc_local_display(struct wpa_supplicant
*wpa_s
,
2415 const u8
*peer
, const char *params
,
2416 unsigned int generated_pin
)
2418 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2419 " %08d%s", MAC2STR(peer
), generated_pin
, params
);
2423 static void wpas_prov_disc_local_keypad(struct wpa_supplicant
*wpa_s
,
2424 const u8
*peer
, const char *params
)
2426 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2427 "%s", MAC2STR(peer
), params
);
2431 static void wpas_prov_disc_req(void *ctx
, const u8
*peer
, u16 config_methods
,
2432 const u8
*dev_addr
, const u8
*pri_dev_type
,
2433 const char *dev_name
, u16 supp_config_methods
,
2434 u8 dev_capab
, u8 group_capab
, const u8
*group_id
,
2435 size_t group_id_len
)
2437 struct wpa_supplicant
*wpa_s
= ctx
;
2438 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2440 u8 empty_dev_type
[8];
2441 unsigned int generated_pin
= 0;
2442 struct wpa_supplicant
*group
= NULL
;
2446 for (group
= wpa_s
->global
->ifaces
; group
; group
= group
->next
)
2448 struct wpa_ssid
*s
= group
->current_ssid
;
2450 s
->mode
== WPAS_MODE_P2P_GO
&&
2451 group_id_len
- ETH_ALEN
== s
->ssid_len
&&
2452 os_memcmp(group_id
+ ETH_ALEN
, s
->ssid
,
2458 if (pri_dev_type
== NULL
) {
2459 os_memset(empty_dev_type
, 0, sizeof(empty_dev_type
));
2460 pri_dev_type
= empty_dev_type
;
2462 res
= os_snprintf(params
, sizeof(params
), " p2p_dev_addr=" MACSTR
2463 " pri_dev_type=%s name='%s' config_methods=0x%x "
2464 "dev_capab=0x%x group_capab=0x%x%s%s",
2466 wps_dev_type_bin2str(pri_dev_type
, devtype
,
2468 dev_name
, supp_config_methods
, dev_capab
, group_capab
,
2469 group
? " group=" : "",
2470 group
? group
->ifname
: "");
2471 if (os_snprintf_error(sizeof(params
), res
))
2472 wpa_printf(MSG_DEBUG
, "P2P: PD Request event truncated");
2473 params
[sizeof(params
) - 1] = '\0';
2475 if (config_methods
& WPS_CONFIG_DISPLAY
) {
2476 generated_pin
= wps_generate_pin();
2477 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2479 } else if (config_methods
& WPS_CONFIG_KEYPAD
)
2480 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2481 else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2482 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_REQ
2483 MACSTR
"%s", MAC2STR(peer
), params
);
2485 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 1 /* request */,
2486 P2P_PROV_DISC_SUCCESS
,
2487 config_methods
, generated_pin
);
2491 static void wpas_prov_disc_resp(void *ctx
, const u8
*peer
, u16 config_methods
)
2493 struct wpa_supplicant
*wpa_s
= ctx
;
2494 unsigned int generated_pin
= 0;
2497 if (wpa_s
->pending_pd_before_join
&&
2498 (os_memcmp(peer
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
2499 os_memcmp(peer
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0)) {
2500 wpa_s
->pending_pd_before_join
= 0;
2501 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2502 "join-existing-group operation");
2503 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2507 if (wpa_s
->pending_pd_use
== AUTO_PD_JOIN
||
2508 wpa_s
->pending_pd_use
== AUTO_PD_GO_NEG
) {
2511 res
= os_snprintf(params
, sizeof(params
), " peer_go=%d",
2512 wpa_s
->pending_pd_use
== AUTO_PD_JOIN
);
2513 if (os_snprintf_error(sizeof(params
), res
))
2514 params
[sizeof(params
) - 1] = '\0';
2518 if (config_methods
& WPS_CONFIG_DISPLAY
)
2519 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2520 else if (config_methods
& WPS_CONFIG_KEYPAD
) {
2521 generated_pin
= wps_generate_pin();
2522 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2524 } else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2525 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_RESP
2526 MACSTR
"%s", MAC2STR(peer
), params
);
2528 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2529 P2P_PROV_DISC_SUCCESS
,
2530 config_methods
, generated_pin
);
2534 static void wpas_prov_disc_fail(void *ctx
, const u8
*peer
,
2535 enum p2p_prov_disc_status status
,
2536 u32 adv_id
, const u8
*adv_mac
,
2537 const char *deferred_session_resp
)
2539 struct wpa_supplicant
*wpa_s
= ctx
;
2541 if (wpa_s
->p2p_fallback_to_go_neg
) {
2542 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: PD for p2p_connect-auto "
2543 "failed - fall back to GO Negotiation");
2544 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
2545 P2P_EVENT_FALLBACK_TO_GO_NEG
2546 "reason=PD-failed");
2547 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
2551 if (status
== P2P_PROV_DISC_TIMEOUT_JOIN
) {
2552 wpa_s
->pending_pd_before_join
= 0;
2553 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2554 "join-existing-group operation (no ACK for PD "
2556 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2560 if (adv_id
&& adv_mac
&& deferred_session_resp
) {
2561 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2562 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x"
2563 " deferred_session_resp='%s'",
2564 MAC2STR(peer
), status
, adv_id
,
2565 deferred_session_resp
);
2566 } else if (adv_id
&& adv_mac
) {
2567 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2568 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x",
2569 MAC2STR(peer
), status
, adv_id
);
2571 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2572 " p2p_dev_addr=" MACSTR
" status=%d",
2573 MAC2STR(peer
), status
);
2576 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2581 static int freq_included(const struct p2p_channels
*channels
, unsigned int freq
)
2583 if (channels
== NULL
)
2584 return 1; /* Assume no restrictions */
2585 return p2p_channels_includes_freq(channels
, freq
);
2591 * Pick the best frequency to use from all the currently used frequencies.
2593 static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant
*wpa_s
,
2594 struct wpa_used_freq_data
*freqs
,
2599 /* find a candidate freq that is supported by P2P */
2600 for (c
= 0; c
< num
; c
++)
2601 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[c
].freq
))
2607 /* once we have a candidate, try to find a 'better' one */
2608 for (i
= c
+ 1; i
< num
; i
++) {
2609 if (!p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
2613 * 1. Infrastructure station interfaces have higher preference.
2614 * 2. P2P Clients have higher preference.
2617 if (freqs
[i
].flags
& WPA_FREQ_USED_BY_INFRA_STATION
) {
2622 if ((freqs
[i
].flags
& WPA_FREQ_USED_BY_P2P_CLIENT
))
2625 return freqs
[c
].freq
;
2629 static u8
wpas_invitation_process(void *ctx
, const u8
*sa
, const u8
*bssid
,
2630 const u8
*go_dev_addr
, const u8
*ssid
,
2631 size_t ssid_len
, int *go
, u8
*group_bssid
,
2632 int *force_freq
, int persistent_group
,
2633 const struct p2p_channels
*channels
,
2636 struct wpa_supplicant
*wpa_s
= ctx
;
2638 struct wpa_used_freq_data
*freqs
;
2639 struct wpa_supplicant
*grp
;
2642 if (!persistent_group
) {
2643 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2644 " to join an active group (SSID: %s)",
2645 MAC2STR(sa
), wpa_ssid_txt(ssid
, ssid_len
));
2646 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2647 (os_memcmp(go_dev_addr
, wpa_s
->p2p_auth_invite
, ETH_ALEN
)
2649 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0)) {
2650 wpa_printf(MSG_DEBUG
, "P2P: Accept previously "
2651 "authorized invitation");
2655 #ifdef CONFIG_WPS_NFC
2656 if (dev_pw_id
>= 0 && wpa_s
->p2p_nfc_tag_enabled
&&
2657 dev_pw_id
== wpa_s
->p2p_oob_dev_pw_id
) {
2658 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation based on local enabled NFC Tag");
2659 wpa_s
->p2p_wps_method
= WPS_NFC
;
2660 wpa_s
->pending_join_wps_method
= WPS_NFC
;
2661 os_memcpy(wpa_s
->pending_join_dev_addr
,
2662 go_dev_addr
, ETH_ALEN
);
2663 os_memcpy(wpa_s
->pending_join_iface_addr
,
2667 #endif /* CONFIG_WPS_NFC */
2670 * Do not accept the invitation automatically; notify user and
2673 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2676 grp
= wpas_get_p2p_group(wpa_s
, ssid
, ssid_len
, go
);
2678 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation to already "
2679 "running persistent group");
2681 os_memcpy(group_bssid
, grp
->own_addr
, ETH_ALEN
);
2685 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2686 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0) {
2687 wpa_printf(MSG_DEBUG
, "P2P: Accept previously initiated "
2688 "invitation to re-invoke a persistent group");
2689 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
2690 } else if (!wpa_s
->conf
->persistent_reconnect
)
2691 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2693 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2694 if (s
->disabled
== 2 &&
2695 os_memcmp(s
->bssid
, go_dev_addr
, ETH_ALEN
) == 0 &&
2696 s
->ssid_len
== ssid_len
&&
2697 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2702 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2703 " requested reinvocation of an unknown group",
2705 return P2P_SC_FAIL_UNKNOWN_GROUP
;
2708 if (s
->mode
== WPAS_MODE_P2P_GO
&& !wpas_p2p_create_iface(wpa_s
)) {
2710 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2711 wpa_printf(MSG_DEBUG
, "P2P: The only available "
2712 "interface is already in use - reject "
2714 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2716 os_memcpy(group_bssid
, wpa_s
->own_addr
, ETH_ALEN
);
2717 } else if (s
->mode
== WPAS_MODE_P2P_GO
) {
2719 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
) < 0)
2721 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
2722 "interface address for the group");
2723 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2725 os_memcpy(group_bssid
, wpa_s
->pending_interface_addr
,
2730 wpas_p2p_set_own_freq_preference(wpa_s
, 0);
2733 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
2734 sizeof(struct wpa_used_freq_data
));
2736 int num_channels
= wpa_s
->num_multichan_concurrent
;
2737 int num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
, num_channels
);
2738 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
2742 /* Get one of the frequencies currently in use */
2743 if (best_freq
> 0) {
2744 wpa_printf(MSG_DEBUG
, "P2P: Trying to prefer a channel already used by one of the interfaces");
2745 wpas_p2p_set_own_freq_preference(wpa_s
, best_freq
);
2747 if (wpa_s
->num_multichan_concurrent
< 2 ||
2748 wpas_p2p_num_unused_channels(wpa_s
) < 1) {
2749 wpa_printf(MSG_DEBUG
, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
2750 *force_freq
= best_freq
;
2754 if (*force_freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
2755 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
2757 /* We are the client */
2758 wpa_printf(MSG_DEBUG
, "P2P: Peer was found to be "
2759 "running a GO but we are capable of MCC, "
2760 "figure out the best channel to use");
2762 } else if (!freq_included(channels
, *force_freq
)) {
2763 /* We are the GO, and *force_freq is not in the
2765 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
2766 "in intersection but we are capable of MCC, "
2767 "figure out the best channel to use",
2773 return P2P_SC_SUCCESS
;
2777 static void wpas_invitation_received(void *ctx
, const u8
*sa
, const u8
*bssid
,
2778 const u8
*ssid
, size_t ssid_len
,
2779 const u8
*go_dev_addr
, u8 status
,
2782 struct wpa_supplicant
*wpa_s
= ctx
;
2785 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2786 if (s
->disabled
== 2 &&
2787 s
->ssid_len
== ssid_len
&&
2788 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2792 if (status
== P2P_SC_SUCCESS
) {
2793 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2794 " was accepted; op_freq=%d MHz, SSID=%s",
2795 MAC2STR(sa
), op_freq
, wpa_ssid_txt(ssid
, ssid_len
));
2797 int go
= s
->mode
== WPAS_MODE_P2P_GO
;
2798 wpas_p2p_group_add_persistent(
2799 wpa_s
, s
, go
, 0, op_freq
, 0, 0, NULL
,
2800 go
? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
2802 wpa_s
->user_initiated_pd
= 0;
2803 wpas_p2p_join(wpa_s
, bssid
, go_dev_addr
,
2804 wpa_s
->p2p_wps_method
, 0, op_freq
,
2810 if (status
!= P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2811 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
2812 " was rejected (status %u)", MAC2STR(sa
), status
);
2818 wpa_msg_global(wpa_s
, MSG_INFO
,
2819 P2P_EVENT_INVITATION_RECEIVED
2820 "sa=" MACSTR
" go_dev_addr=" MACSTR
2821 " bssid=" MACSTR
" unknown-network",
2822 MAC2STR(sa
), MAC2STR(go_dev_addr
),
2825 wpa_msg_global(wpa_s
, MSG_INFO
,
2826 P2P_EVENT_INVITATION_RECEIVED
2827 "sa=" MACSTR
" go_dev_addr=" MACSTR
2829 MAC2STR(sa
), MAC2STR(go_dev_addr
));
2834 if (s
->mode
== WPAS_MODE_P2P_GO
&& op_freq
) {
2835 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2836 "sa=" MACSTR
" persistent=%d freq=%d",
2837 MAC2STR(sa
), s
->id
, op_freq
);
2839 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
2840 "sa=" MACSTR
" persistent=%d",
2841 MAC2STR(sa
), s
->id
);
2846 static void wpas_remove_persistent_peer(struct wpa_supplicant
*wpa_s
,
2847 struct wpa_ssid
*ssid
,
2848 const u8
*peer
, int inv
)
2851 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
2856 for (i
= 0; ssid
->p2p_client_list
&& i
< ssid
->num_p2p_clients
; i
++) {
2857 if (os_memcmp(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
, peer
,
2861 if (i
>= ssid
->num_p2p_clients
|| !ssid
->p2p_client_list
) {
2862 if (ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2863 os_memcmp(ssid
->bssid
, peer
, ETH_ALEN
) == 0) {
2864 wpa_printf(MSG_DEBUG
, "P2P: Remove persistent group %d "
2865 "due to invitation result", ssid
->id
);
2866 wpas_notify_network_removed(wpa_s
, ssid
);
2867 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
2870 return; /* Peer not found in client list */
2873 wpa_printf(MSG_DEBUG
, "P2P: Remove peer " MACSTR
" from persistent "
2874 "group %d client list%s",
2875 MAC2STR(peer
), ssid
->id
,
2876 inv
? " due to invitation result" : "");
2877 os_memmove(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
2878 ssid
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
2879 (ssid
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
2880 ssid
->num_p2p_clients
--;
2881 if (p2p_wpa_s
->conf
->update_config
&&
2882 wpa_config_write(p2p_wpa_s
->confname
, p2p_wpa_s
->conf
))
2883 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
2887 static void wpas_remove_persistent_client(struct wpa_supplicant
*wpa_s
,
2890 struct wpa_ssid
*ssid
;
2892 wpa_s
= wpa_s
->global
->p2p_invite_group
;
2894 return; /* No known invitation group */
2895 ssid
= wpa_s
->current_ssid
;
2896 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
2897 !ssid
->p2p_persistent_group
)
2898 return; /* Not operating as a GO in persistent group */
2899 ssid
= wpas_p2p_get_persistent(wpa_s
->parent
, peer
,
2900 ssid
->ssid
, ssid
->ssid_len
);
2901 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2905 static void wpas_invitation_result(void *ctx
, int status
, const u8
*bssid
,
2906 const struct p2p_channels
*channels
,
2907 const u8
*peer
, int neg_freq
,
2910 struct wpa_supplicant
*wpa_s
= ctx
;
2911 struct wpa_ssid
*ssid
;
2915 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2916 "status=%d " MACSTR
,
2917 status
, MAC2STR(bssid
));
2919 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
2920 "status=%d ", status
);
2922 wpas_notify_p2p_invitation_result(wpa_s
, status
, bssid
);
2924 wpa_printf(MSG_DEBUG
, "P2P: Invitation result - status=%d peer=" MACSTR
,
2925 status
, MAC2STR(peer
));
2926 if (wpa_s
->pending_invite_ssid_id
== -1) {
2927 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
)
2928 wpas_remove_persistent_client(wpa_s
, peer
);
2929 return; /* Invitation to active group */
2932 if (status
== P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
2933 wpa_printf(MSG_DEBUG
, "P2P: Waiting for peer to start another "
2934 "invitation exchange to indicate readiness for "
2938 if (status
!= P2P_SC_SUCCESS
) {
2939 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
) {
2940 ssid
= wpa_config_get_network(
2941 wpa_s
->conf
, wpa_s
->pending_invite_ssid_id
);
2942 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
2944 wpas_p2p_remove_pending_group_interface(wpa_s
);
2948 ssid
= wpa_config_get_network(wpa_s
->conf
,
2949 wpa_s
->pending_invite_ssid_id
);
2951 wpa_printf(MSG_ERROR
, "P2P: Could not find persistent group "
2952 "data matching with invitation");
2957 * The peer could have missed our ctrl::ack frame for Invitation
2958 * Response and continue retransmitting the frame. To reduce the
2959 * likelihood of the peer not getting successful TX status for the
2960 * Invitation Response frame, wait a short time here before starting
2961 * the persistent group so that we will remain on the current channel to
2962 * acknowledge any possible retransmission from the peer.
2964 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: 50 ms wait on current channel before "
2965 "starting persistent group");
2968 if (neg_freq
> 0 && ssid
->mode
== WPAS_MODE_P2P_GO
&&
2969 freq_included(channels
, neg_freq
))
2971 else if (peer_oper_freq
> 0 && ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2972 freq_included(channels
, peer_oper_freq
))
2973 freq
= peer_oper_freq
;
2977 wpa_printf(MSG_DEBUG
, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
2978 freq
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
2979 wpas_p2p_group_add_persistent(wpa_s
, ssid
,
2980 ssid
->mode
== WPAS_MODE_P2P_GO
,
2981 wpa_s
->p2p_persistent_go_freq
,
2983 wpa_s
->p2p_go_ht40
, wpa_s
->p2p_go_vht
,
2985 ssid
->mode
== WPAS_MODE_P2P_GO
?
2986 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
2991 static int wpas_p2p_disallowed_freq(struct wpa_global
*global
,
2994 if (freq_range_list_includes(&global
->p2p_go_avoid_freq
, freq
))
2996 return freq_range_list_includes(&global
->p2p_disallow_freq
, freq
);
3000 static void wpas_p2p_add_chan(struct p2p_reg_class
*reg
, u8 chan
)
3002 reg
->channel
[reg
->channels
] = chan
;
3007 static int wpas_p2p_default_channels(struct wpa_supplicant
*wpa_s
,
3008 struct p2p_channels
*chan
,
3009 struct p2p_channels
*cli_chan
)
3013 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3015 os_memset(cli_chan
, 0, sizeof(*cli_chan
));
3017 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for 2.4 GHz "
3020 /* Operating class 81 - 2.4 GHz band channels 1..13 */
3021 chan
->reg_class
[cla
].reg_class
= 81;
3022 chan
->reg_class
[cla
].channels
= 0;
3023 for (i
= 0; i
< 11; i
++) {
3024 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 2412 + i
* 5))
3025 wpas_p2p_add_chan(&chan
->reg_class
[cla
], i
+ 1);
3027 if (chan
->reg_class
[cla
].channels
)
3030 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for lower 5 GHz "
3033 /* Operating class 115 - 5 GHz, channels 36-48 */
3034 chan
->reg_class
[cla
].reg_class
= 115;
3035 chan
->reg_class
[cla
].channels
= 0;
3036 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 36 * 5))
3037 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 36);
3038 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 40 * 5))
3039 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 40);
3040 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 44 * 5))
3041 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 44);
3042 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 48 * 5))
3043 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 48);
3044 if (chan
->reg_class
[cla
].channels
)
3047 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for higher 5 GHz "
3050 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3051 chan
->reg_class
[cla
].reg_class
= 124;
3052 chan
->reg_class
[cla
].channels
= 0;
3053 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 149 * 5))
3054 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 149);
3055 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 153 * 5))
3056 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 153);
3057 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 156 * 5))
3058 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 157);
3059 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 161 * 5))
3060 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 161);
3061 if (chan
->reg_class
[cla
].channels
)
3064 chan
->reg_classes
= cla
;
3069 static struct hostapd_hw_modes
* get_mode(struct hostapd_hw_modes
*modes
,
3071 enum hostapd_hw_mode mode
)
3075 for (i
= 0; i
< num_modes
; i
++) {
3076 if (modes
[i
].mode
== mode
)
3085 NOT_ALLOWED
, NO_IR
, ALLOWED
3088 static int has_channel(struct wpa_global
*global
,
3089 struct hostapd_hw_modes
*mode
, u8 chan
, int *flags
)
3094 freq
= (mode
->mode
== HOSTAPD_MODE_IEEE80211A
? 5000 : 2407) +
3096 if (wpas_p2p_disallowed_freq(global
, freq
))
3099 for (i
= 0; i
< mode
->num_channels
; i
++) {
3100 if (mode
->channels
[i
].chan
== chan
) {
3102 *flags
= mode
->channels
[i
].flag
;
3103 if (mode
->channels
[i
].flag
&
3104 (HOSTAPD_CHAN_DISABLED
|
3105 HOSTAPD_CHAN_RADAR
))
3107 if (mode
->channels
[i
].flag
& HOSTAPD_CHAN_NO_IR
)
3117 struct p2p_oper_class_map
{
3118 enum hostapd_hw_mode mode
;
3123 enum { BW20
, BW40PLUS
, BW40MINUS
, BW80
, BW2160
} bw
;
3126 static const struct p2p_oper_class_map op_class
[] = {
3127 { HOSTAPD_MODE_IEEE80211G
, 81, 1, 13, 1, BW20
},
3128 #if 0 /* Do not enable HT40 on 2 GHz for now */
3129 { HOSTAPD_MODE_IEEE80211G
, 83, 1, 9, 1, BW40PLUS
},
3130 { HOSTAPD_MODE_IEEE80211G
, 84, 5, 13, 1, BW40MINUS
},
3132 { HOSTAPD_MODE_IEEE80211A
, 115, 36, 48, 4, BW20
},
3133 { HOSTAPD_MODE_IEEE80211A
, 124, 149, 161, 4, BW20
},
3134 { HOSTAPD_MODE_IEEE80211A
, 125, 149, 169, 4, BW20
},
3135 { HOSTAPD_MODE_IEEE80211A
, 116, 36, 44, 8, BW40PLUS
},
3136 { HOSTAPD_MODE_IEEE80211A
, 117, 40, 48, 8, BW40MINUS
},
3137 { HOSTAPD_MODE_IEEE80211A
, 126, 149, 157, 8, BW40PLUS
},
3138 { HOSTAPD_MODE_IEEE80211A
, 127, 153, 161, 8, BW40MINUS
},
3141 * IEEE P802.11ac/D7.0 Table E-4 actually talks about channel center
3142 * frequency index 42, 58, 106, 122, 138, 155 with channel spacing of
3143 * 80 MHz, but currently use the following definition for simplicity
3144 * (these center frequencies are not actual channels, which makes
3145 * has_channel() fail). wpas_p2p_verify_80mhz() should take care of
3146 * removing invalid channels.
3148 { HOSTAPD_MODE_IEEE80211A
, 128, 36, 161, 4, BW80
},
3149 { HOSTAPD_MODE_IEEE80211AD
, 180, 1, 4, 1, BW2160
},
3150 { -1, 0, 0, 0, 0, BW20
}
3154 static int wpas_p2p_get_center_80mhz(struct wpa_supplicant
*wpa_s
,
3155 struct hostapd_hw_modes
*mode
,
3158 u8 center_channels
[] = { 42, 58, 106, 122, 138, 155 };
3161 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
3164 for (i
= 0; i
< ARRAY_SIZE(center_channels
); i
++)
3166 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3167 * so the center channel is 6 channels away from the start/end.
3169 if (channel
>= center_channels
[i
] - 6 &&
3170 channel
<= center_channels
[i
] + 6)
3171 return center_channels
[i
];
3177 static enum chan_allowed
wpas_p2p_verify_80mhz(struct wpa_supplicant
*wpa_s
,
3178 struct hostapd_hw_modes
*mode
,
3183 enum chan_allowed res
, ret
= ALLOWED
;
3185 center_chan
= wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3188 if (center_chan
>= 58 && center_chan
<= 138)
3189 return NOT_ALLOWED
; /* Do not allow DFS channels for P2P */
3191 /* check all the channels are available */
3192 for (i
= 0; i
< 4; i
++) {
3193 int adj_chan
= center_chan
- 6 + i
* 4;
3195 res
= has_channel(wpa_s
->global
, mode
, adj_chan
, &flags
);
3196 if (res
== NOT_ALLOWED
)
3201 if (i
== 0 && !(flags
& HOSTAPD_CHAN_VHT_10_70
))
3203 if (i
== 1 && !(flags
& HOSTAPD_CHAN_VHT_30_50
))
3205 if (i
== 2 && !(flags
& HOSTAPD_CHAN_VHT_50_30
))
3207 if (i
== 3 && !(flags
& HOSTAPD_CHAN_VHT_70_10
))
3215 static enum chan_allowed
wpas_p2p_verify_channel(struct wpa_supplicant
*wpa_s
,
3216 struct hostapd_hw_modes
*mode
,
3220 enum chan_allowed res
, res2
;
3222 res2
= res
= has_channel(wpa_s
->global
, mode
, channel
, &flag
);
3223 if (bw
== BW40MINUS
) {
3224 if (!(flag
& HOSTAPD_CHAN_HT40MINUS
))
3226 res2
= has_channel(wpa_s
->global
, mode
, channel
- 4, NULL
);
3227 } else if (bw
== BW40PLUS
) {
3228 if (!(flag
& HOSTAPD_CHAN_HT40PLUS
))
3230 res2
= has_channel(wpa_s
->global
, mode
, channel
+ 4, NULL
);
3231 } else if (bw
== BW80
) {
3232 res2
= wpas_p2p_verify_80mhz(wpa_s
, mode
, channel
, bw
);
3235 if (res
== NOT_ALLOWED
|| res2
== NOT_ALLOWED
)
3237 if (res
== NO_IR
|| res2
== NO_IR
)
3243 static int wpas_p2p_setup_channels(struct wpa_supplicant
*wpa_s
,
3244 struct p2p_channels
*chan
,
3245 struct p2p_channels
*cli_chan
)
3247 struct hostapd_hw_modes
*mode
;
3248 int cla
, op
, cli_cla
;
3250 if (wpa_s
->hw
.modes
== NULL
) {
3251 wpa_printf(MSG_DEBUG
, "P2P: Driver did not support fetching "
3252 "of all supported channels; assume dualband "
3254 return wpas_p2p_default_channels(wpa_s
, chan
, cli_chan
);
3259 for (op
= 0; op_class
[op
].op_class
; op
++) {
3260 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3262 struct p2p_reg_class
*reg
= NULL
, *cli_reg
= NULL
;
3264 mode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
, o
->mode
);
3267 if (mode
->mode
== HOSTAPD_MODE_IEEE80211G
)
3268 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3269 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3270 enum chan_allowed res
;
3271 res
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3272 if (res
== ALLOWED
) {
3274 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u",
3276 reg
= &chan
->reg_class
[cla
];
3278 reg
->reg_class
= o
->op_class
;
3280 reg
->channel
[reg
->channels
] = ch
;
3282 } else if (res
== NO_IR
&&
3283 wpa_s
->conf
->p2p_add_cli_chan
) {
3284 if (cli_reg
== NULL
) {
3285 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u (client only)",
3287 cli_reg
= &cli_chan
->reg_class
[cli_cla
];
3289 cli_reg
->reg_class
= o
->op_class
;
3291 cli_reg
->channel
[cli_reg
->channels
] = ch
;
3292 cli_reg
->channels
++;
3296 wpa_hexdump(MSG_DEBUG
, "P2P: Channels",
3297 reg
->channel
, reg
->channels
);
3300 wpa_hexdump(MSG_DEBUG
, "P2P: Channels (client only)",
3301 cli_reg
->channel
, cli_reg
->channels
);
3305 chan
->reg_classes
= cla
;
3306 cli_chan
->reg_classes
= cli_cla
;
3312 int wpas_p2p_get_ht40_mode(struct wpa_supplicant
*wpa_s
,
3313 struct hostapd_hw_modes
*mode
, u8 channel
)
3316 enum chan_allowed ret
;
3318 for (op
= 0; op_class
[op
].op_class
; op
++) {
3319 const struct p2p_oper_class_map
*o
= &op_class
[op
];
3322 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3323 if (o
->mode
!= HOSTAPD_MODE_IEEE80211A
||
3324 (o
->bw
!= BW40PLUS
&& o
->bw
!= BW40MINUS
) ||
3327 ret
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3329 return (o
->bw
== BW40MINUS
) ? -1 : 1;
3336 int wpas_p2p_get_vht80_center(struct wpa_supplicant
*wpa_s
,
3337 struct hostapd_hw_modes
*mode
, u8 channel
)
3339 if (!wpas_p2p_verify_channel(wpa_s
, mode
, channel
, BW80
))
3342 return wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3346 static int wpas_get_noa(void *ctx
, const u8
*interface_addr
, u8
*buf
,
3349 struct wpa_supplicant
*wpa_s
= ctx
;
3351 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3352 if (os_memcmp(wpa_s
->own_addr
, interface_addr
, ETH_ALEN
) == 0)
3358 return wpa_drv_get_noa(wpa_s
, buf
, buf_len
);
3362 struct wpa_supplicant
* wpas_get_p2p_go_iface(struct wpa_supplicant
*wpa_s
,
3363 const u8
*ssid
, size_t ssid_len
)
3365 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3366 struct wpa_ssid
*s
= wpa_s
->current_ssid
;
3369 if (s
->mode
!= WPAS_MODE_P2P_GO
&&
3370 s
->mode
!= WPAS_MODE_AP
&&
3371 s
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
3373 if (s
->ssid_len
!= ssid_len
||
3374 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
3384 struct wpa_supplicant
* wpas_get_p2p_client_iface(struct wpa_supplicant
*wpa_s
,
3385 const u8
*peer_dev_addr
)
3387 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3388 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3391 if (ssid
->mode
!= WPAS_MODE_INFRA
)
3393 if (wpa_s
->wpa_state
!= WPA_COMPLETED
&&
3394 wpa_s
->wpa_state
!= WPA_GROUP_HANDSHAKE
)
3396 if (os_memcmp(wpa_s
->go_dev_addr
, peer_dev_addr
, ETH_ALEN
) == 0)
3404 static int wpas_go_connected(void *ctx
, const u8
*dev_addr
)
3406 struct wpa_supplicant
*wpa_s
= ctx
;
3408 return wpas_get_p2p_client_iface(wpa_s
, dev_addr
) != NULL
;
3412 static int wpas_is_concurrent_session_active(void *ctx
)
3414 struct wpa_supplicant
*wpa_s
= ctx
;
3415 struct wpa_supplicant
*ifs
;
3417 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
3420 if (ifs
->wpa_state
> WPA_ASSOCIATED
)
3427 static void wpas_p2p_debug_print(void *ctx
, int level
, const char *msg
)
3429 struct wpa_supplicant
*wpa_s
= ctx
;
3430 wpa_msg_global(wpa_s
, level
, "P2P: %s", msg
);
3434 int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant
*wpa_s
,
3435 const char *conf_p2p_dev
)
3437 struct wpa_interface iface
;
3438 struct wpa_supplicant
*p2pdev_wpa_s
;
3440 char force_name
[100];
3443 ret
= os_snprintf(ifname
, sizeof(ifname
), P2P_MGMT_DEVICE_PREFIX
"%s",
3445 if (os_snprintf_error(sizeof(ifname
), ret
))
3447 force_name
[0] = '\0';
3448 wpa_s
->pending_interface_type
= WPA_IF_P2P_DEVICE
;
3449 ret
= wpa_drv_if_add(wpa_s
, WPA_IF_P2P_DEVICE
, ifname
, NULL
, NULL
,
3450 force_name
, wpa_s
->pending_interface_addr
, NULL
);
3452 wpa_printf(MSG_DEBUG
, "P2P: Failed to create P2P Device interface");
3455 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
3456 sizeof(wpa_s
->pending_interface_name
));
3458 os_memset(&iface
, 0, sizeof(iface
));
3460 iface
.ifname
= wpa_s
->pending_interface_name
;
3461 iface
.driver
= wpa_s
->driver
->name
;
3462 iface
.driver_param
= wpa_s
->conf
->driver_param
;
3465 * If a P2P Device configuration file was given, use it as the interface
3466 * configuration file (instead of using parent's configuration file.
3469 iface
.confname
= conf_p2p_dev
;
3470 iface
.ctrl_interface
= NULL
;
3472 iface
.confname
= wpa_s
->confname
;
3473 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
3476 p2pdev_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
3477 if (!p2pdev_wpa_s
) {
3478 wpa_printf(MSG_DEBUG
, "P2P: Failed to add P2P Device interface");
3482 wpa_s
->pending_interface_name
[0] = '\0';
3487 static void wpas_presence_resp(void *ctx
, const u8
*src
, u8 status
,
3488 const u8
*noa
, size_t noa_len
)
3490 struct wpa_supplicant
*wpa_s
, *intf
= ctx
;
3493 for (wpa_s
= intf
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3494 if (wpa_s
->waiting_presence_resp
)
3498 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No group interface was waiting for presence response");
3501 wpa_s
->waiting_presence_resp
= 0;
3503 wpa_snprintf_hex(hex
, sizeof(hex
), noa
, noa_len
);
3504 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_PRESENCE_RESPONSE
"src=" MACSTR
3505 " status=%u noa=%s", MAC2STR(src
), status
, hex
);
3509 static int wpas_get_persistent_group(void *ctx
, const u8
*addr
, const u8
*ssid
,
3510 size_t ssid_len
, u8
*go_dev_addr
,
3511 u8
*ret_ssid
, size_t *ret_ssid_len
,
3512 u8
*intended_iface_addr
)
3514 struct wpa_supplicant
*wpa_s
= ctx
;
3517 s
= wpas_p2p_get_persistent(wpa_s
, addr
, ssid
, ssid_len
);
3519 os_memcpy(ret_ssid
, s
->ssid
, s
->ssid_len
);
3520 *ret_ssid_len
= s
->ssid_len
;
3521 os_memcpy(go_dev_addr
, s
->bssid
, ETH_ALEN
);
3523 if (s
->mode
!= WPAS_MODE_P2P_GO
) {
3524 os_memset(intended_iface_addr
, 0, ETH_ALEN
);
3525 } else if (wpas_p2p_create_iface(wpa_s
)) {
3526 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
))
3529 os_memcpy(intended_iface_addr
,
3530 wpa_s
->pending_interface_addr
, ETH_ALEN
);
3532 os_memcpy(intended_iface_addr
, wpa_s
->own_addr
,
3542 static int wpas_get_go_info(void *ctx
, u8
*intended_addr
,
3543 u8
*ssid
, size_t *ssid_len
, int *group_iface
)
3545 struct wpa_supplicant
*wpa_s
= ctx
;
3550 * group_iface will be set to 1 only if a dedicated interface for P2P
3551 * role is required. First, we try to reuse an active GO. However,
3552 * if it is not present, we will try to reactivate an existing
3553 * persistent group and set group_iface to 1, so the caller will know
3554 * that the pending interface should be used.
3557 s
= wpas_p2p_group_go_ssid(wpa_s
, bssid
);
3559 s
= wpas_p2p_get_persistent_go(wpa_s
);
3560 *group_iface
= wpas_p2p_create_iface(wpa_s
);
3562 os_memcpy(bssid
, s
->bssid
, ETH_ALEN
);
3567 os_memcpy(intended_addr
, bssid
, ETH_ALEN
);
3568 os_memcpy(ssid
, s
->ssid
, s
->ssid_len
);
3569 *ssid_len
= s
->ssid_len
;
3575 static int wpas_remove_stale_groups(void *ctx
, const u8
*peer
, const u8
*go
,
3576 const u8
*ssid
, size_t ssid_len
)
3578 struct wpa_supplicant
*wpa_s
= ctx
;
3580 int save_config
= 0;
3583 /* Start with our first choice of Persistent Groups */
3584 while ((s
= wpas_p2p_get_persistent(wpa_s
, peer
, NULL
, 0))) {
3585 if (go
&& ssid
&& ssid_len
&&
3586 s
->ssid_len
== ssid_len
&&
3587 os_memcmp(go
, s
->bssid
, ETH_ALEN
) == 0 &&
3588 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
3591 /* Remove stale persistent group */
3592 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->num_p2p_clients
<= 1) {
3593 wpa_config_remove_network(wpa_s
->conf
, s
->id
);
3598 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
3599 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3600 peer
, ETH_ALEN
) != 0)
3603 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3604 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
3605 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
3608 s
->num_p2p_clients
--;
3613 p2p_config_write(wpa_s
);
3615 /* Return TRUE if valid SSID remains */
3620 static void wpas_p2ps_prov_complete(void *ctx
, u8 status
, const u8
*dev
,
3621 const u8
*adv_mac
, const u8
*ses_mac
,
3622 const u8
*grp_mac
, u32 adv_id
, u32 ses_id
,
3623 u8 conncap
, int passwd_id
,
3624 const u8
*persist_ssid
,
3625 size_t persist_ssid_size
, int response_done
,
3626 int prov_start
, const char *session_info
)
3628 struct wpa_supplicant
*wpa_s
= ctx
;
3630 struct wpa_ssid
*persistent_go
, *stale
, *s
;
3631 int save_config
= 0;
3632 struct wpa_supplicant
*go_wpa_s
;
3637 os_memset(mac
, 0, ETH_ALEN
);
3646 if (session_info
== NULL
) {
3647 wpa_msg_global(wpa_s
, MSG_INFO
,
3648 P2P_EVENT_P2PS_PROVISION_START MACSTR
3649 " adv_id=%x conncap=%x"
3651 " session=%x mac=" MACSTR
3652 " dev_passwd_id=%d",
3653 MAC2STR(dev
), adv_id
, conncap
,
3655 ses_id
, MAC2STR(ses_mac
),
3658 wpa_msg_global(wpa_s
, MSG_INFO
,
3659 P2P_EVENT_P2PS_PROVISION_START MACSTR
3660 " adv_id=%x conncap=%x"
3662 " session=%x mac=" MACSTR
3663 " dev_passwd_id=%d info='%s'",
3664 MAC2STR(dev
), adv_id
, conncap
,
3666 ses_id
, MAC2STR(ses_mac
),
3667 passwd_id
, session_info
);
3672 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
3673 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3675 if (status
&& status
!= P2P_SC_SUCCESS_DEFERRED
) {
3676 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3677 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3679 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3680 /* remove empty persistent GO */
3681 wpa_config_remove_network(wpa_s
->conf
,
3685 wpa_msg_global(wpa_s
, MSG_INFO
,
3686 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3688 " adv_id=%x adv_mac=" MACSTR
3689 " session=%x mac=" MACSTR
,
3690 MAC2STR(dev
), status
,
3691 adv_id
, MAC2STR(adv_mac
),
3692 ses_id
, MAC2STR(ses_mac
));
3696 /* Clean up stale persistent groups with this device */
3697 s
= wpas_p2p_get_persistent(wpa_s
, dev
, persist_ssid
,
3700 if (persist_ssid
&& s
&& s
->mode
!= WPAS_MODE_P2P_GO
&&
3701 os_memcmp(grp_mac
, mac
, ETH_ALEN
) == 0) {
3702 wpa_dbg(wpa_s
, MSG_ERROR
,
3703 "P2P: Peer device is a GO in a persistent group, but it did not provide the intended MAC address");
3708 stale
= wpas_p2p_get_persistent(wpa_s
, dev
, NULL
, 0);
3712 if (s
&& s
->ssid_len
== stale
->ssid_len
&&
3713 os_memcmp(stale
->bssid
, s
->bssid
, ETH_ALEN
) == 0 &&
3714 os_memcmp(stale
->ssid
, s
->ssid
, s
->ssid_len
) == 0)
3717 /* Remove stale persistent group */
3718 if (stale
->mode
!= WPAS_MODE_P2P_GO
||
3719 stale
->num_p2p_clients
<= 1) {
3720 wpa_config_remove_network(wpa_s
->conf
, stale
->id
);
3724 for (i
= 0; i
< stale
->num_p2p_clients
; i
++) {
3725 if (os_memcmp(stale
->p2p_client_list
+
3727 dev
, ETH_ALEN
) == 0) {
3728 os_memmove(stale
->p2p_client_list
+
3730 stale
->p2p_client_list
+
3732 (stale
->num_p2p_clients
-
3737 stale
->num_p2p_clients
--;
3743 p2p_config_write(wpa_s
);
3746 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3747 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3749 if (persistent_go
&& s
!= persistent_go
&&
3750 !persistent_go
->num_p2p_clients
) {
3751 /* remove empty persistent GO */
3752 wpa_config_remove_network(wpa_s
->conf
,
3757 wpa_msg_global(wpa_s
, MSG_INFO
,
3758 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3760 " adv_id=%x adv_mac=" MACSTR
3761 " session=%x mac=" MACSTR
3763 MAC2STR(dev
), status
,
3764 adv_id
, MAC2STR(adv_mac
),
3765 ses_id
, MAC2STR(ses_mac
), s
->id
);
3769 if (conncap
== P2PS_SETUP_GROUP_OWNER
) {
3771 * We need to copy the interface name. Simply saving a
3772 * pointer isn't enough, since if we use pending_interface_name
3773 * it will be overwritten when the group is added.
3775 char go_ifname
[100];
3777 go_ifname
[0] = '\0';
3779 wpa_s
->global
->pending_p2ps_group
= 1;
3781 if (!wpas_p2p_create_iface(wpa_s
))
3782 os_memcpy(go_ifname
, wpa_s
->ifname
,
3784 else if (wpa_s
->pending_interface_name
[0])
3785 os_memcpy(go_ifname
,
3786 wpa_s
->pending_interface_name
,
3789 if (!go_ifname
[0]) {
3790 wpas_p2ps_prov_complete(
3791 wpa_s
, P2P_SC_FAIL_UNKNOWN_GROUP
,
3792 dev
, adv_mac
, ses_mac
,
3793 NULL
, adv_id
, ses_id
, 0, 0,
3794 NULL
, 0, 0, 0, NULL
);
3798 /* If PD Resp complete, start up the GO */
3799 if (response_done
&& persistent_go
) {
3800 wpas_p2p_group_add_persistent(
3801 wpa_s
, persistent_go
,
3802 0, 0, 0, 0, 0, NULL
,
3803 persistent_go
->mode
==
3805 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
3807 } else if (response_done
) {
3808 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3811 if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3812 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3813 wpa_s
->p2ps_join_addr_valid
= 1;
3814 wpa_dbg(wpa_s
, MSG_DEBUG
,
3815 "P2PS: Saving PIN for " MACSTR
,
3818 } else if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
3819 os_memcpy(go_ifname
, go_wpa_s
->ifname
,
3822 wpa_dbg(go_wpa_s
, MSG_DEBUG
,
3823 "P2P: Setting PIN-1 For " MACSTR
, MAC2STR(dev
));
3824 wpa_supplicant_ap_wps_pin(go_wpa_s
, dev
, "12345670",
3827 os_memcpy(wpa_s
->p2ps_join_addr
, dev
, ETH_ALEN
);
3828 wpa_s
->p2ps_join_addr_valid
= 1;
3829 wpa_dbg(wpa_s
, MSG_DEBUG
,
3830 "P2PS: Saving PIN for " MACSTR
, MAC2STR(dev
));
3833 wpa_msg_global(wpa_s
, MSG_INFO
,
3834 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3835 " status=%d conncap=%x"
3836 " adv_id=%x adv_mac=" MACSTR
3837 " session=%x mac=" MACSTR
3838 " dev_passwd_id=%d go=%s",
3839 MAC2STR(dev
), status
, conncap
,
3840 adv_id
, MAC2STR(adv_mac
),
3841 ses_id
, MAC2STR(ses_mac
),
3842 passwd_id
, go_ifname
);
3846 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
3847 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
3849 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
3850 /* remove empty persistent GO */
3851 wpa_config_remove_network(wpa_s
->conf
, persistent_go
->id
);
3854 if (conncap
== P2PS_SETUP_CLIENT
) {
3855 wpa_msg_global(wpa_s
, MSG_INFO
,
3856 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3857 " status=%d conncap=%x"
3858 " adv_id=%x adv_mac=" MACSTR
3859 " session=%x mac=" MACSTR
3860 " dev_passwd_id=%d join=" MACSTR
,
3861 MAC2STR(dev
), status
, conncap
,
3862 adv_id
, MAC2STR(adv_mac
),
3863 ses_id
, MAC2STR(ses_mac
),
3864 passwd_id
, MAC2STR(grp_mac
));
3866 wpa_msg_global(wpa_s
, MSG_INFO
,
3867 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
3868 " status=%d conncap=%x"
3869 " adv_id=%x adv_mac=" MACSTR
3870 " session=%x mac=" MACSTR
3871 " dev_passwd_id=%d",
3872 MAC2STR(dev
), status
, conncap
,
3873 adv_id
, MAC2STR(adv_mac
),
3874 ses_id
, MAC2STR(ses_mac
),
3880 static int _wpas_p2p_in_progress(void *ctx
)
3882 struct wpa_supplicant
*wpa_s
= ctx
;
3883 return wpas_p2p_in_progress(wpa_s
);
3887 static int wpas_prov_disc_resp_cb(void *ctx
)
3889 struct wpa_supplicant
*wpa_s
= ctx
;
3890 struct wpa_ssid
*persistent_go
;
3892 if (!wpa_s
->global
->pending_p2ps_group
)
3895 wpa_s
->global
->pending_p2ps_group
= 0;
3897 if (wpas_p2p_get_go_group(wpa_s
))
3899 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
3901 if (persistent_go
) {
3902 wpas_p2p_group_add_persistent(
3903 wpa_s
, persistent_go
, 0, 0, 0, 0, 0, NULL
,
3904 persistent_go
->mode
== WPAS_MODE_P2P_GO
?
3905 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0);
3907 wpas_p2p_group_add(wpa_s
, 1, 0, 0, 0);
3915 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
3916 * @global: Pointer to global data from wpa_supplicant_init()
3917 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
3918 * Returns: 0 on success, -1 on failure
3920 int wpas_p2p_init(struct wpa_global
*global
, struct wpa_supplicant
*wpa_s
)
3922 struct p2p_config p2p
;
3925 if (wpa_s
->conf
->p2p_disabled
)
3928 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
3934 os_memset(&p2p
, 0, sizeof(p2p
));
3936 p2p
.debug_print
= wpas_p2p_debug_print
;
3937 p2p
.p2p_scan
= wpas_p2p_scan
;
3938 p2p
.send_action
= wpas_send_action
;
3939 p2p
.send_action_done
= wpas_send_action_done
;
3940 p2p
.go_neg_completed
= wpas_go_neg_completed
;
3941 p2p
.go_neg_req_rx
= wpas_go_neg_req_rx
;
3942 p2p
.dev_found
= wpas_dev_found
;
3943 p2p
.dev_lost
= wpas_dev_lost
;
3944 p2p
.find_stopped
= wpas_find_stopped
;
3945 p2p
.start_listen
= wpas_start_listen
;
3946 p2p
.stop_listen
= wpas_stop_listen
;
3947 p2p
.send_probe_resp
= wpas_send_probe_resp
;
3948 p2p
.sd_request
= wpas_sd_request
;
3949 p2p
.sd_response
= wpas_sd_response
;
3950 p2p
.prov_disc_req
= wpas_prov_disc_req
;
3951 p2p
.prov_disc_resp
= wpas_prov_disc_resp
;
3952 p2p
.prov_disc_fail
= wpas_prov_disc_fail
;
3953 p2p
.invitation_process
= wpas_invitation_process
;
3954 p2p
.invitation_received
= wpas_invitation_received
;
3955 p2p
.invitation_result
= wpas_invitation_result
;
3956 p2p
.get_noa
= wpas_get_noa
;
3957 p2p
.go_connected
= wpas_go_connected
;
3958 p2p
.presence_resp
= wpas_presence_resp
;
3959 p2p
.is_concurrent_session_active
= wpas_is_concurrent_session_active
;
3960 p2p
.is_p2p_in_progress
= _wpas_p2p_in_progress
;
3961 p2p
.get_persistent_group
= wpas_get_persistent_group
;
3962 p2p
.get_go_info
= wpas_get_go_info
;
3963 p2p
.remove_stale_groups
= wpas_remove_stale_groups
;
3964 p2p
.p2ps_prov_complete
= wpas_p2ps_prov_complete
;
3965 p2p
.prov_disc_resp_cb
= wpas_prov_disc_resp_cb
;
3966 p2p
.p2ps_group_capability
= p2ps_group_capability
;
3968 os_memcpy(wpa_s
->global
->p2p_dev_addr
, wpa_s
->own_addr
, ETH_ALEN
);
3969 os_memcpy(p2p
.dev_addr
, wpa_s
->global
->p2p_dev_addr
, ETH_ALEN
);
3970 p2p
.dev_name
= wpa_s
->conf
->device_name
;
3971 p2p
.manufacturer
= wpa_s
->conf
->manufacturer
;
3972 p2p
.model_name
= wpa_s
->conf
->model_name
;
3973 p2p
.model_number
= wpa_s
->conf
->model_number
;
3974 p2p
.serial_number
= wpa_s
->conf
->serial_number
;
3976 os_memcpy(p2p
.uuid
, wpa_s
->wps
->uuid
, 16);
3977 p2p
.config_methods
= wpa_s
->wps
->config_methods
;
3980 if (wpas_p2p_setup_channels(wpa_s
, &p2p
.channels
, &p2p
.cli_channels
)) {
3981 wpa_printf(MSG_ERROR
,
3982 "P2P: Failed to configure supported channel list");
3986 if (wpa_s
->conf
->p2p_listen_reg_class
&&
3987 wpa_s
->conf
->p2p_listen_channel
) {
3988 p2p
.reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
3989 p2p
.channel
= wpa_s
->conf
->p2p_listen_channel
;
3990 p2p
.channel_forced
= 1;
3993 * Pick one of the social channels randomly as the listen
3996 if (p2p_config_get_random_social(&p2p
, &p2p
.reg_class
,
3997 &p2p
.channel
) != 0) {
3998 wpa_printf(MSG_INFO
,
3999 "P2P: No social channels supported by the driver - do not enable P2P");
4002 p2p
.channel_forced
= 0;
4004 wpa_printf(MSG_DEBUG
, "P2P: Own listen channel: %d:%d",
4005 p2p
.reg_class
, p2p
.channel
);
4007 if (wpa_s
->conf
->p2p_oper_reg_class
&&
4008 wpa_s
->conf
->p2p_oper_channel
) {
4009 p2p
.op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
4010 p2p
.op_channel
= wpa_s
->conf
->p2p_oper_channel
;
4011 p2p
.cfg_op_channel
= 1;
4012 wpa_printf(MSG_DEBUG
, "P2P: Configured operating channel: "
4013 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
4017 * Use random operation channel from 2.4 GHz band social
4018 * channels (1, 6, 11) or band 60 GHz social channel (2) if no
4019 * other preference is indicated.
4021 if (p2p_config_get_random_social(&p2p
, &p2p
.op_reg_class
,
4022 &p2p
.op_channel
) != 0) {
4023 wpa_printf(MSG_ERROR
,
4024 "P2P: Failed to select random social channel as operation channel");
4027 p2p
.cfg_op_channel
= 0;
4028 wpa_printf(MSG_DEBUG
, "P2P: Random operating channel: "
4029 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
4032 if (wpa_s
->conf
->p2p_pref_chan
&& wpa_s
->conf
->num_p2p_pref_chan
) {
4033 p2p
.pref_chan
= wpa_s
->conf
->p2p_pref_chan
;
4034 p2p
.num_pref_chan
= wpa_s
->conf
->num_p2p_pref_chan
;
4037 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
4038 os_memcpy(p2p
.country
, wpa_s
->conf
->country
, 2);
4039 p2p
.country
[2] = 0x04;
4041 os_memcpy(p2p
.country
, "XX\x04", 3);
4043 os_memcpy(p2p
.pri_dev_type
, wpa_s
->conf
->device_type
,
4046 p2p
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
4047 os_memcpy(p2p
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
4048 p2p
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
4050 p2p
.concurrent_operations
= !!(wpa_s
->drv_flags
&
4051 WPA_DRIVER_FLAGS_P2P_CONCURRENT
);
4053 p2p
.max_peers
= 100;
4055 if (wpa_s
->conf
->p2p_ssid_postfix
) {
4056 p2p
.ssid_postfix_len
=
4057 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
);
4058 if (p2p
.ssid_postfix_len
> sizeof(p2p
.ssid_postfix
))
4059 p2p
.ssid_postfix_len
= sizeof(p2p
.ssid_postfix
);
4060 os_memcpy(p2p
.ssid_postfix
, wpa_s
->conf
->p2p_ssid_postfix
,
4061 p2p
.ssid_postfix_len
);
4064 p2p
.p2p_intra_bss
= wpa_s
->conf
->p2p_intra_bss
;
4066 p2p
.max_listen
= wpa_s
->max_remain_on_chan
;
4068 if (wpa_s
->conf
->p2p_passphrase_len
>= 8 &&
4069 wpa_s
->conf
->p2p_passphrase_len
<= 63)
4070 p2p
.passphrase_len
= wpa_s
->conf
->p2p_passphrase_len
;
4072 p2p
.passphrase_len
= 8;
4074 global
->p2p
= p2p_init(&p2p
);
4075 if (global
->p2p
== NULL
)
4077 global
->p2p_init_wpa_s
= wpa_s
;
4079 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
4080 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
4082 p2p_add_wps_vendor_extension(
4083 global
->p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
4086 p2p_set_no_go_freq(global
->p2p
, &wpa_s
->conf
->p2p_no_go_freq
);
4093 * wpas_p2p_deinit - Deinitialize per-interface P2P data
4094 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4096 * This function deinitialize per-interface P2P data.
4098 void wpas_p2p_deinit(struct wpa_supplicant
*wpa_s
)
4100 if (wpa_s
->driver
&& wpa_s
->drv_priv
)
4101 wpa_drv_probe_req_report(wpa_s
, 0);
4103 if (wpa_s
->go_params
) {
4104 /* Clear any stored provisioning info */
4105 p2p_clear_provisioning_info(
4107 wpa_s
->go_params
->peer_device_addr
);
4110 os_free(wpa_s
->go_params
);
4111 wpa_s
->go_params
= NULL
;
4112 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
, wpa_s
, NULL
);
4113 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4114 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4115 wpa_s
->p2p_long_listen
= 0;
4116 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
4117 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
4118 wpas_p2p_remove_pending_group_interface(wpa_s
);
4119 eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
);
4120 wpas_p2p_listen_work_done(wpa_s
);
4121 if (wpa_s
->p2p_send_action_work
) {
4122 os_free(wpa_s
->p2p_send_action_work
->ctx
);
4123 radio_work_done(wpa_s
->p2p_send_action_work
);
4124 wpa_s
->p2p_send_action_work
= NULL
;
4126 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
, wpa_s
, NULL
);
4128 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
4129 wpa_s
->p2p_oob_dev_pw
= NULL
;
4131 os_free(wpa_s
->p2p_group_common_freqs
);
4132 wpa_s
->p2p_group_common_freqs
= NULL
;
4133 wpa_s
->p2p_group_common_freqs_num
= 0;
4135 /* TODO: remove group interface from the driver if this wpa_s instance
4136 * is on top of a P2P group interface */
4141 * wpas_p2p_deinit_global - Deinitialize global P2P module
4142 * @global: Pointer to global data from wpa_supplicant_init()
4144 * This function deinitializes the global (per device) P2P module.
4146 static void wpas_p2p_deinit_global(struct wpa_global
*global
)
4148 struct wpa_supplicant
*wpa_s
, *tmp
;
4150 wpa_s
= global
->ifaces
;
4152 wpas_p2p_service_flush(global
->p2p_init_wpa_s
);
4154 /* Remove remaining P2P group interfaces */
4155 while (wpa_s
&& wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
4156 wpa_s
= wpa_s
->next
;
4158 tmp
= global
->ifaces
;
4161 tmp
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)) {
4166 /* Disconnect from the P2P group and deinit the interface */
4167 wpas_p2p_disconnect(tmp
);
4171 * Deinit GO data on any possibly remaining interface (if main
4172 * interface is used as GO).
4174 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
4175 if (wpa_s
->ap_iface
)
4176 wpas_p2p_group_deinit(wpa_s
);
4179 p2p_deinit(global
->p2p
);
4181 global
->p2p_init_wpa_s
= NULL
;
4185 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
)
4187 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
4188 wpa_s
->conf
->p2p_no_group_iface
)
4189 return 0; /* separate interface disabled per configuration */
4190 if (wpa_s
->drv_flags
&
4191 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
|
4192 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
))
4193 return 1; /* P2P group requires a new interface in every case
4195 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CONCURRENT
))
4196 return 0; /* driver does not support concurrent operations */
4197 if (wpa_s
->global
->ifaces
->next
)
4198 return 1; /* more that one interface already in use */
4199 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
4200 return 1; /* this interface is already in use */
4205 static int wpas_p2p_start_go_neg(struct wpa_supplicant
*wpa_s
,
4206 const u8
*peer_addr
,
4207 enum p2p_wps_method wps_method
,
4208 int go_intent
, const u8
*own_interface_addr
,
4209 unsigned int force_freq
, int persistent_group
,
4210 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4212 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4213 persistent_group
= 2;
4216 * Increase GO config timeout if HT40 is used since it takes some time
4217 * to scan channels for coex purposes before the BSS can be started.
4219 p2p_set_config_timeout(wpa_s
->global
->p2p
,
4220 wpa_s
->p2p_go_ht40
? 255 : 100, 20);
4222 return p2p_connect(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4223 go_intent
, own_interface_addr
, force_freq
,
4224 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4225 ssid
? ssid
->ssid_len
: 0,
4226 wpa_s
->p2p_pd_before_go_neg
, pref_freq
,
4227 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4232 static int wpas_p2p_auth_go_neg(struct wpa_supplicant
*wpa_s
,
4233 const u8
*peer_addr
,
4234 enum p2p_wps_method wps_method
,
4235 int go_intent
, const u8
*own_interface_addr
,
4236 unsigned int force_freq
, int persistent_group
,
4237 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4239 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4240 persistent_group
= 2;
4242 return p2p_authorize(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4243 go_intent
, own_interface_addr
, force_freq
,
4244 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4245 ssid
? ssid
->ssid_len
: 0, pref_freq
,
4246 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4251 static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant
*wpa_s
)
4253 wpa_s
->p2p_join_scan_count
++;
4254 wpa_printf(MSG_DEBUG
, "P2P: Join scan attempt %d",
4255 wpa_s
->p2p_join_scan_count
);
4256 if (wpa_s
->p2p_join_scan_count
> P2P_MAX_JOIN_SCAN_ATTEMPTS
) {
4257 wpa_printf(MSG_DEBUG
, "P2P: Failed to find GO " MACSTR
4258 " for join operationg - stop join attempt",
4259 MAC2STR(wpa_s
->pending_join_iface_addr
));
4260 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4261 if (wpa_s
->p2p_auto_pd
) {
4262 wpa_s
->p2p_auto_pd
= 0;
4263 wpa_msg_global(wpa_s
, MSG_INFO
,
4264 P2P_EVENT_PROV_DISC_FAILURE
4265 " p2p_dev_addr=" MACSTR
" status=N/A",
4266 MAC2STR(wpa_s
->pending_join_dev_addr
));
4269 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4270 P2P_EVENT_GROUP_FORMATION_FAILURE
);
4275 static int wpas_check_freq_conflict(struct wpa_supplicant
*wpa_s
, int freq
)
4278 unsigned int num
, i
;
4279 struct wpa_used_freq_data
*freqs
;
4281 if (wpas_p2p_num_unused_channels(wpa_s
) > 0) {
4282 /* Multiple channels are supported and not all are in use */
4286 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4287 sizeof(struct wpa_used_freq_data
));
4291 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4292 wpa_s
->num_multichan_concurrent
);
4294 for (i
= 0; i
< num
; i
++) {
4295 if (freqs
[i
].freq
== freq
) {
4296 wpa_printf(MSG_DEBUG
, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
4303 wpa_printf(MSG_DEBUG
, "P2P: No valid operating frequencies");
4312 static int wpas_p2p_peer_go(struct wpa_supplicant
*wpa_s
,
4313 const u8
*peer_dev_addr
)
4315 struct wpa_bss
*bss
;
4318 bss
= wpa_bss_get_p2p_dev_addr(wpa_s
, peer_dev_addr
);
4321 if (bss
->last_update_idx
< wpa_s
->bss_update_idx
) {
4322 wpa_printf(MSG_DEBUG
, "P2P: Peer BSS entry not updated in the "
4327 updated
= os_reltime_before(&wpa_s
->p2p_auto_started
,
4329 wpa_printf(MSG_DEBUG
, "P2P: Current BSS entry for peer updated at "
4330 "%ld.%06ld (%supdated in last scan)",
4331 bss
->last_update
.sec
, bss
->last_update
.usec
,
4332 updated
? "": "not ");
4338 static void wpas_p2p_scan_res_join(struct wpa_supplicant
*wpa_s
,
4339 struct wpa_scan_results
*scan_res
)
4341 struct wpa_bss
*bss
= NULL
;
4343 u8 iface_addr
[ETH_ALEN
];
4345 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4347 if (wpa_s
->global
->p2p_disabled
)
4350 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS) for %sjoin",
4351 scan_res
? (int) scan_res
->num
: -1,
4352 wpa_s
->p2p_auto_join
? "auto_" : "");
4355 wpas_p2p_scan_res_handler(wpa_s
, scan_res
);
4357 if (wpa_s
->p2p_auto_pd
) {
4358 int join
= wpas_p2p_peer_go(wpa_s
,
4359 wpa_s
->pending_join_dev_addr
);
4361 wpa_s
->auto_pd_scan_retry
< P2P_AUTO_PD_SCAN_ATTEMPTS
) {
4362 wpa_s
->auto_pd_scan_retry
++;
4363 bss
= wpa_bss_get_bssid_latest(
4364 wpa_s
, wpa_s
->pending_join_dev_addr
);
4367 wpa_printf(MSG_DEBUG
, "P2P: Scan retry %d for "
4368 "the peer " MACSTR
" at %d MHz",
4369 wpa_s
->auto_pd_scan_retry
,
4371 pending_join_dev_addr
),
4373 wpas_p2p_join_scan_req(wpa_s
, freq
, NULL
, 0);
4381 wpa_s
->p2p_auto_pd
= 0;
4382 wpa_s
->pending_pd_use
= join
? AUTO_PD_JOIN
: AUTO_PD_GO_NEG
;
4383 wpa_printf(MSG_DEBUG
, "P2P: Auto PD with " MACSTR
" join=%d",
4384 MAC2STR(wpa_s
->pending_join_dev_addr
), join
);
4385 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4386 wpa_s
->pending_join_dev_addr
, NULL
,
4387 wpa_s
->pending_pd_config_methods
, join
,
4388 0, wpa_s
->user_initiated_pd
) < 0) {
4389 wpa_s
->p2p_auto_pd
= 0;
4390 wpa_msg_global(wpa_s
, MSG_INFO
,
4391 P2P_EVENT_PROV_DISC_FAILURE
4392 " p2p_dev_addr=" MACSTR
" status=N/A",
4393 MAC2STR(wpa_s
->pending_join_dev_addr
));
4398 if (wpa_s
->p2p_auto_join
) {
4399 int join
= wpas_p2p_peer_go(wpa_s
,
4400 wpa_s
->pending_join_dev_addr
);
4402 wpa_printf(MSG_DEBUG
, "P2P: Peer was not found to be "
4403 "running a GO -> use GO Negotiation");
4404 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4405 P2P_EVENT_FALLBACK_TO_GO_NEG
4406 "reason=peer-not-running-GO");
4407 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
,
4408 wpa_s
->p2p_pin
, wpa_s
->p2p_wps_method
,
4409 wpa_s
->p2p_persistent_group
, 0, 0, 0,
4410 wpa_s
->p2p_go_intent
,
4411 wpa_s
->p2p_connect_freq
,
4412 wpa_s
->p2p_persistent_id
,
4413 wpa_s
->p2p_pd_before_go_neg
,
4419 wpa_printf(MSG_DEBUG
, "P2P: Peer was found running GO%s -> "
4420 "try to join the group", join
? "" :
4423 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4424 P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED
);
4425 wpa_s
->p2p_fallback_to_go_neg
= 1;
4429 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4430 wpa_s
->pending_join_iface_addr
);
4432 p2p_get_interface_addr(wpa_s
->global
->p2p
,
4433 wpa_s
->pending_join_dev_addr
,
4435 os_memcmp(iface_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) != 0
4436 && !wpa_bss_get_bssid(wpa_s
, wpa_s
->pending_join_iface_addr
)) {
4437 wpa_printf(MSG_DEBUG
, "P2P: Overwrite pending interface "
4438 "address for join from " MACSTR
" to " MACSTR
4439 " based on newly discovered P2P peer entry",
4440 MAC2STR(wpa_s
->pending_join_iface_addr
),
4441 MAC2STR(iface_addr
));
4442 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
,
4445 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4446 wpa_s
->pending_join_iface_addr
);
4449 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4450 "from P2P peer table: %d MHz", freq
);
4452 if (wpa_s
->p2p_join_ssid_len
) {
4453 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4454 MACSTR
" and SSID %s",
4455 MAC2STR(wpa_s
->pending_join_iface_addr
),
4456 wpa_ssid_txt(wpa_s
->p2p_join_ssid
,
4457 wpa_s
->p2p_join_ssid_len
));
4458 bss
= wpa_bss_get(wpa_s
, wpa_s
->pending_join_iface_addr
,
4459 wpa_s
->p2p_join_ssid
,
4460 wpa_s
->p2p_join_ssid_len
);
4463 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4464 MACSTR
, MAC2STR(wpa_s
->pending_join_iface_addr
));
4465 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4466 wpa_s
->pending_join_iface_addr
);
4469 u8 dev_addr
[ETH_ALEN
];
4472 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4473 "from BSS table: %d MHz (SSID %s)", freq
,
4474 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4475 if (p2p_parse_dev_addr((const u8
*) (bss
+ 1), bss
->ie_len
,
4477 os_memcmp(wpa_s
->pending_join_dev_addr
,
4478 wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0 &&
4479 os_memcmp(dev_addr
, wpa_s
->pending_join_dev_addr
,
4481 wpa_printf(MSG_DEBUG
,
4482 "P2P: Update target GO device address based on BSS entry: " MACSTR
" (was " MACSTR
")",
4484 MAC2STR(wpa_s
->pending_join_dev_addr
));
4485 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
,
4492 if (wpas_check_freq_conflict(wpa_s
, freq
) > 0) {
4493 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
4494 P2P_EVENT_GROUP_FORMATION_FAILURE
4495 "reason=FREQ_CONFLICT");
4499 wpa_printf(MSG_DEBUG
, "P2P: Send Provision Discovery Request "
4500 "prior to joining an existing group (GO " MACSTR
4502 MAC2STR(wpa_s
->pending_join_dev_addr
), freq
);
4503 wpa_s
->pending_pd_before_join
= 1;
4505 switch (wpa_s
->pending_join_wps_method
) {
4506 case WPS_PIN_DISPLAY
:
4507 method
= WPS_CONFIG_KEYPAD
;
4509 case WPS_PIN_KEYPAD
:
4510 method
= WPS_CONFIG_DISPLAY
;
4513 method
= WPS_CONFIG_PUSHBUTTON
;
4520 if ((p2p_get_provisioning_info(wpa_s
->global
->p2p
,
4521 wpa_s
->pending_join_dev_addr
) ==
4524 * We have already performed provision discovery for
4525 * joining the group. Proceed directly to join
4526 * operation without duplicated provision discovery. */
4527 wpa_printf(MSG_DEBUG
, "P2P: Provision discovery "
4528 "with " MACSTR
" already done - proceed to "
4530 MAC2STR(wpa_s
->pending_join_dev_addr
));
4531 wpa_s
->pending_pd_before_join
= 0;
4535 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4536 wpa_s
->pending_join_dev_addr
,
4538 freq
, wpa_s
->user_initiated_pd
) < 0) {
4539 wpa_printf(MSG_DEBUG
, "P2P: Failed to send Provision "
4540 "Discovery Request before joining an "
4542 wpa_s
->pending_pd_before_join
= 0;
4548 wpa_printf(MSG_DEBUG
, "P2P: Failed to find BSS/GO - try again later");
4549 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4550 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4551 wpas_p2p_check_join_scan_limit(wpa_s
);
4555 /* Start join operation immediately */
4556 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
4560 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
,
4561 const u8
*ssid
, size_t ssid_len
)
4564 struct wpa_driver_scan_params params
;
4565 struct wpabuf
*wps_ie
, *ies
;
4567 int freqs
[2] = { 0, 0 };
4569 os_memset(¶ms
, 0, sizeof(params
));
4571 /* P2P Wildcard SSID */
4572 params
.num_ssids
= 1;
4573 if (ssid
&& ssid_len
) {
4574 params
.ssids
[0].ssid
= ssid
;
4575 params
.ssids
[0].ssid_len
= ssid_len
;
4576 os_memcpy(wpa_s
->p2p_join_ssid
, ssid
, ssid_len
);
4577 wpa_s
->p2p_join_ssid_len
= ssid_len
;
4579 params
.ssids
[0].ssid
= (u8
*) P2P_WILDCARD_SSID
;
4580 params
.ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
4581 wpa_s
->p2p_join_ssid_len
= 0;
4584 wpa_s
->wps
->dev
.p2p
= 1;
4585 wps_ie
= wps_build_probe_req_ie(DEV_PW_DEFAULT
, &wpa_s
->wps
->dev
,
4586 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
, 0,
4588 if (wps_ie
== NULL
) {
4589 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4593 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
4594 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
4596 wpabuf_free(wps_ie
);
4597 wpas_p2p_scan_res_join(wpa_s
, NULL
);
4600 wpabuf_put_buf(ies
, wps_ie
);
4601 wpabuf_free(wps_ie
);
4603 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
4605 params
.p2p_probe
= 1;
4606 params
.extra_ies
= wpabuf_head(ies
);
4607 params
.extra_ies_len
= wpabuf_len(ies
);
4612 * If freq is not provided, check the operating freq of the GO
4613 * and use a single channel scan on if possible.
4615 oper_freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4616 wpa_s
->pending_join_iface_addr
);
4622 params
.freqs
= freqs
;
4626 * Run a scan to update BSS table and start Provision Discovery once
4627 * the new scan results become available.
4629 ret
= wpa_drv_scan(wpa_s
, ¶ms
);
4631 os_get_reltime(&wpa_s
->scan_trigger_time
);
4632 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_join
;
4633 wpa_s
->own_scan_requested
= 1;
4639 wpa_printf(MSG_DEBUG
, "P2P: Failed to start scan for join - "
4641 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4642 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
4643 wpas_p2p_check_join_scan_limit(wpa_s
);
4648 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
)
4650 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
4651 wpas_p2p_join_scan_req(wpa_s
, 0, NULL
, 0);
4655 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
4656 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
4657 int auto_join
, int op_freq
,
4658 const u8
*ssid
, size_t ssid_len
)
4660 wpa_printf(MSG_DEBUG
, "P2P: Request to join existing group (iface "
4661 MACSTR
" dev " MACSTR
" op_freq=%d)%s",
4662 MAC2STR(iface_addr
), MAC2STR(dev_addr
), op_freq
,
4663 auto_join
? " (auto_join)" : "");
4664 if (ssid
&& ssid_len
) {
4665 wpa_printf(MSG_DEBUG
, "P2P: Group SSID specified: %s",
4666 wpa_ssid_txt(ssid
, ssid_len
));
4669 wpa_s
->p2p_auto_pd
= 0;
4670 wpa_s
->p2p_auto_join
= !!auto_join
;
4671 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
, ETH_ALEN
);
4672 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
, ETH_ALEN
);
4673 wpa_s
->pending_join_wps_method
= wps_method
;
4675 /* Make sure we are not running find during connection establishment */
4676 wpas_p2p_stop_find(wpa_s
);
4678 wpa_s
->p2p_join_scan_count
= 0;
4679 wpas_p2p_join_scan_req(wpa_s
, op_freq
, ssid
, ssid_len
);
4684 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
, int freq
,
4685 const u8
*ssid
, size_t ssid_len
)
4687 struct wpa_supplicant
*group
;
4688 struct p2p_go_neg_results res
;
4689 struct wpa_bss
*bss
;
4691 group
= wpas_p2p_get_group_iface(wpa_s
, 0, 0);
4694 if (group
!= wpa_s
) {
4695 os_memcpy(group
->p2p_pin
, wpa_s
->p2p_pin
,
4696 sizeof(group
->p2p_pin
));
4697 group
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
4700 * Need to mark the current interface for p2p_group_formation
4701 * when a separate group interface is not used. This is needed
4702 * to allow p2p_cancel stop a pending p2p_connect-join.
4703 * wpas_p2p_init_group_interface() addresses this for the case
4704 * where a separate group interface is used.
4706 wpa_s
->global
->p2p_group_formation
= wpa_s
;
4709 group
->p2p_in_provisioning
= 1;
4710 group
->p2p_fallback_to_go_neg
= wpa_s
->p2p_fallback_to_go_neg
;
4712 os_memset(&res
, 0, sizeof(res
));
4713 os_memcpy(res
.peer_device_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
);
4714 os_memcpy(res
.peer_interface_addr
, wpa_s
->pending_join_iface_addr
,
4716 res
.wps_method
= wpa_s
->pending_join_wps_method
;
4717 if (freq
&& ssid
&& ssid_len
) {
4719 res
.ssid_len
= ssid_len
;
4720 os_memcpy(res
.ssid
, ssid
, ssid_len
);
4722 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4723 wpa_s
->pending_join_iface_addr
);
4725 res
.freq
= bss
->freq
;
4726 res
.ssid_len
= bss
->ssid_len
;
4727 os_memcpy(res
.ssid
, bss
->ssid
, bss
->ssid_len
);
4728 wpa_printf(MSG_DEBUG
, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
4730 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
4734 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
4735 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel prior to "
4737 wpa_drv_cancel_remain_on_channel(wpa_s
);
4738 wpa_s
->off_channel_freq
= 0;
4739 wpa_s
->roc_waiting_drv_freq
= 0;
4741 wpas_start_wps_enrollee(group
, &res
);
4744 * Allow a longer timeout for join-a-running-group than normal 15
4745 * second group formation timeout since the GO may not have authorized
4746 * our connection yet.
4748 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4749 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout
,
4756 static int wpas_p2p_setup_freqs(struct wpa_supplicant
*wpa_s
, int freq
,
4757 int *force_freq
, int *pref_freq
, int go
)
4759 struct wpa_used_freq_data
*freqs
;
4760 int res
, best_freq
, num_unused
;
4761 unsigned int freq_in_use
= 0, num
, i
;
4763 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4764 sizeof(struct wpa_used_freq_data
));
4768 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4769 wpa_s
->num_multichan_concurrent
);
4772 * It is possible that the total number of used frequencies is bigger
4773 * than the number of frequencies used for P2P, so get the system wide
4774 * number of unused frequencies.
4776 num_unused
= wpas_p2p_num_unused_channels(wpa_s
);
4778 wpa_printf(MSG_DEBUG
,
4779 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
4780 freq
, wpa_s
->num_multichan_concurrent
, num
, num_unused
);
4785 ret
= p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
4787 ret
= p2p_supported_freq_cli(wpa_s
->global
->p2p
, freq
);
4789 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
4790 ieee80211_is_dfs(freq
)) {
4792 * If freq is a DFS channel and DFS is offloaded
4793 * to the driver, allow P2P GO to use it.
4795 wpa_printf(MSG_DEBUG
,
4796 "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
4799 wpa_printf(MSG_DEBUG
,
4800 "P2P: The forced channel (%u MHz) is not supported for P2P uses",
4807 for (i
= 0; i
< num
; i
++) {
4808 if (freqs
[i
].freq
== freq
)
4812 if (num_unused
<= 0 && !freq_in_use
) {
4813 wpa_printf(MSG_DEBUG
, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
4818 wpa_printf(MSG_DEBUG
, "P2P: Trying to force us to use the "
4819 "requested channel (%u MHz)", freq
);
4824 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
4826 /* We have a candidate frequency to use */
4827 if (best_freq
> 0) {
4828 if (*pref_freq
== 0 && num_unused
> 0) {
4829 wpa_printf(MSG_DEBUG
, "P2P: Try to prefer a frequency (%u MHz) we are already using",
4831 *pref_freq
= best_freq
;
4833 wpa_printf(MSG_DEBUG
, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
4835 *force_freq
= best_freq
;
4837 } else if (num_unused
> 0) {
4838 wpa_printf(MSG_DEBUG
,
4839 "P2P: Current operating channels are not available for P2P. Try to use another channel");
4842 wpa_printf(MSG_DEBUG
,
4843 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
4857 * wpas_p2p_connect - Request P2P Group Formation to be started
4858 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4859 * @peer_addr: Address of the peer P2P Device
4860 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
4861 * @persistent_group: Whether to create a persistent group
4862 * @auto_join: Whether to select join vs. GO Negotiation automatically
4863 * @join: Whether to join an existing group (as a client) instead of starting
4864 * Group Owner negotiation; @peer_addr is BSSID in that case
4865 * @auth: Whether to only authorize the connection instead of doing that and
4866 * initiating Group Owner negotiation
4867 * @go_intent: GO Intent or -1 to use default
4868 * @freq: Frequency for the group or 0 for auto-selection
4869 * @persistent_id: Persistent group credentials to use for forcing GO
4870 * parameters or -1 to generate new values (SSID/passphrase)
4871 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
4872 * interoperability workaround when initiating group formation
4873 * @ht40: Start GO with 40 MHz channel width
4874 * @vht: Start GO with VHT support
4875 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
4876 * failure, -2 on failure due to channel not currently available,
4877 * -3 if forced channel is not supported
4879 int wpas_p2p_connect(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
4880 const char *pin
, enum p2p_wps_method wps_method
,
4881 int persistent_group
, int auto_join
, int join
, int auth
,
4882 int go_intent
, int freq
, int persistent_id
, int pd
,
4885 int force_freq
= 0, pref_freq
= 0;
4887 enum wpa_driver_if_type iftype
;
4889 struct wpa_ssid
*ssid
= NULL
;
4891 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
4894 if (persistent_id
>= 0) {
4895 ssid
= wpa_config_get_network(wpa_s
->conf
, persistent_id
);
4896 if (ssid
== NULL
|| ssid
->disabled
!= 2 ||
4897 ssid
->mode
!= WPAS_MODE_P2P_GO
)
4901 os_free(wpa_s
->global
->add_psk
);
4902 wpa_s
->global
->add_psk
= NULL
;
4904 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
4905 wpa_s
->global
->pending_p2ps_group
= 0;
4908 go_intent
= wpa_s
->conf
->p2p_go_intent
;
4911 wpa_s
->p2p_long_listen
= 0;
4913 wpa_s
->p2p_wps_method
= wps_method
;
4914 wpa_s
->p2p_persistent_group
= !!persistent_group
;
4915 wpa_s
->p2p_persistent_id
= persistent_id
;
4916 wpa_s
->p2p_go_intent
= go_intent
;
4917 wpa_s
->p2p_connect_freq
= freq
;
4918 wpa_s
->p2p_fallback_to_go_neg
= 0;
4919 wpa_s
->p2p_pd_before_go_neg
= !!pd
;
4920 wpa_s
->p2p_go_ht40
= !!ht40
;
4921 wpa_s
->p2p_go_vht
= !!vht
;
4924 os_strlcpy(wpa_s
->p2p_pin
, pin
, sizeof(wpa_s
->p2p_pin
));
4925 else if (wps_method
== WPS_PIN_DISPLAY
) {
4926 ret
= wps_generate_pin();
4927 res
= os_snprintf(wpa_s
->p2p_pin
, sizeof(wpa_s
->p2p_pin
),
4929 if (os_snprintf_error(sizeof(wpa_s
->p2p_pin
), res
))
4930 wpa_s
->p2p_pin
[sizeof(wpa_s
->p2p_pin
) - 1] = '\0';
4931 wpa_printf(MSG_DEBUG
, "P2P: Randomly generated PIN: %s",
4934 wpa_s
->p2p_pin
[0] = '\0';
4936 if (join
|| auto_join
) {
4937 u8 iface_addr
[ETH_ALEN
], dev_addr
[ETH_ALEN
];
4939 wpa_printf(MSG_DEBUG
, "P2P: Authorize invitation to "
4940 "connect a running group from " MACSTR
,
4941 MAC2STR(peer_addr
));
4942 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
4945 os_memcpy(dev_addr
, peer_addr
, ETH_ALEN
);
4946 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, peer_addr
,
4948 os_memcpy(iface_addr
, peer_addr
, ETH_ALEN
);
4949 p2p_get_dev_addr(wpa_s
->global
->p2p
, peer_addr
,
4953 os_get_reltime(&wpa_s
->p2p_auto_started
);
4954 wpa_printf(MSG_DEBUG
, "P2P: Auto join started at "
4956 wpa_s
->p2p_auto_started
.sec
,
4957 wpa_s
->p2p_auto_started
.usec
);
4959 wpa_s
->user_initiated_pd
= 1;
4960 if (wpas_p2p_join(wpa_s
, iface_addr
, dev_addr
, wps_method
,
4961 auto_join
, freq
, NULL
, 0) < 0)
4966 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
4970 wpas_p2p_set_own_freq_preference(wpa_s
,
4971 force_freq
? force_freq
: pref_freq
);
4973 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
4975 if (wpa_s
->create_p2p_iface
) {
4976 /* Prepare to add a new interface for the group */
4977 iftype
= WPA_IF_P2P_GROUP
;
4978 if (go_intent
== 15)
4979 iftype
= WPA_IF_P2P_GO
;
4980 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
4981 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
4982 "interface for the group");
4986 if_addr
= wpa_s
->pending_interface_addr
;
4988 if_addr
= wpa_s
->own_addr
;
4991 if (wpas_p2p_auth_go_neg(wpa_s
, peer_addr
, wps_method
,
4993 force_freq
, persistent_group
, ssid
,
4999 if (wpas_p2p_start_go_neg(wpa_s
, peer_addr
, wps_method
,
5000 go_intent
, if_addr
, force_freq
,
5001 persistent_group
, ssid
, pref_freq
) < 0) {
5002 if (wpa_s
->create_p2p_iface
)
5003 wpas_p2p_remove_pending_group_interface(wpa_s
);
5011 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
5012 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5013 * @freq: Frequency of the channel in MHz
5014 * @duration: Duration of the stay on the channel in milliseconds
5016 * This callback is called when the driver indicates that it has started the
5017 * requested remain-on-channel duration.
5019 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
5020 unsigned int freq
, unsigned int duration
)
5022 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5024 wpa_printf(MSG_DEBUG
, "P2P: remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d roc_waiting_drv_freq=%d freq=%u duration=%u)",
5025 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
5026 wpa_s
->roc_waiting_drv_freq
, freq
, duration
);
5027 if (wpa_s
->off_channel_freq
&&
5028 wpa_s
->off_channel_freq
== wpa_s
->pending_listen_freq
) {
5029 p2p_listen_cb(wpa_s
->global
->p2p
, wpa_s
->pending_listen_freq
,
5030 wpa_s
->pending_listen_duration
);
5031 wpa_s
->pending_listen_freq
= 0;
5033 wpa_printf(MSG_DEBUG
, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
5034 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
5040 int wpas_p2p_listen_start(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
5042 /* Limit maximum Listen state time based on driver limitation. */
5043 if (timeout
> wpa_s
->max_remain_on_chan
)
5044 timeout
= wpa_s
->max_remain_on_chan
;
5046 return p2p_listen(wpa_s
->global
->p2p
, timeout
);
5051 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
5052 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5053 * @freq: Frequency of the channel in MHz
5055 * This callback is called when the driver indicates that a remain-on-channel
5056 * operation has been completed, i.e., the duration on the requested channel
5059 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
5062 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel callback "
5063 "(p2p_long_listen=%d ms pending_action_tx=%p)",
5064 wpa_s
->p2p_long_listen
, offchannel_pending_action_tx(wpa_s
));
5065 wpas_p2p_listen_work_done(wpa_s
);
5066 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5068 if (wpa_s
->p2p_long_listen
> 0)
5069 wpa_s
->p2p_long_listen
-= wpa_s
->max_remain_on_chan
;
5070 if (p2p_listen_end(wpa_s
->global
->p2p
, freq
) > 0)
5071 return; /* P2P module started a new operation */
5072 if (offchannel_pending_action_tx(wpa_s
))
5074 if (wpa_s
->p2p_long_listen
> 0) {
5075 wpa_printf(MSG_DEBUG
, "P2P: Continuing long Listen state");
5076 wpas_p2p_listen_start(wpa_s
, wpa_s
->p2p_long_listen
);
5079 * When listen duration is over, stop listen & update p2p_state
5082 p2p_stop_listen(wpa_s
->global
->p2p
);
5088 * wpas_p2p_group_remove - Remove a P2P group
5089 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5090 * @ifname: Network interface name of the group interface or "*" to remove all
5092 * Returns: 0 on success, -1 on failure
5094 * This function is used to remove a P2P group. This can be used to disconnect
5095 * from a group in which the local end is a P2P Client or to end a P2P Group in
5096 * case the local end is the Group Owner. If a virtual network interface was
5097 * created for this group, that interface will be removed. Otherwise, only the
5098 * configured P2P group network will be removed from the interface.
5100 int wpas_p2p_group_remove(struct wpa_supplicant
*wpa_s
, const char *ifname
)
5102 struct wpa_global
*global
= wpa_s
->global
;
5103 struct wpa_supplicant
*calling_wpa_s
= wpa_s
;
5105 if (os_strcmp(ifname
, "*") == 0) {
5106 struct wpa_supplicant
*prev
;
5107 wpa_s
= global
->ifaces
;
5110 wpa_s
= wpa_s
->next
;
5111 if (prev
->p2p_group_interface
!=
5112 NOT_P2P_GROUP_INTERFACE
||
5113 (prev
->current_ssid
&&
5114 prev
->current_ssid
->p2p_group
))
5115 wpas_p2p_disconnect_safely(prev
, calling_wpa_s
);
5120 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5121 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5125 return wpas_p2p_disconnect_safely(wpa_s
, calling_wpa_s
);
5129 static int wpas_p2p_select_go_freq(struct wpa_supplicant
*wpa_s
, int freq
)
5134 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 2.4 GHz "
5136 if (wpa_s
->best_24_freq
> 0 &&
5137 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5138 wpa_s
->best_24_freq
)) {
5139 freq
= wpa_s
->best_24_freq
;
5140 wpa_printf(MSG_DEBUG
, "P2P: Use best 2.4 GHz band "
5141 "channel: %d MHz", freq
);
5143 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5145 freq
= 2412 + (r
% 3) * 25;
5146 wpa_printf(MSG_DEBUG
, "P2P: Use random 2.4 GHz band "
5147 "channel: %d MHz", freq
);
5152 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 5 GHz "
5154 if (wpa_s
->best_5_freq
> 0 &&
5155 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5156 wpa_s
->best_5_freq
)) {
5157 freq
= wpa_s
->best_5_freq
;
5158 wpa_printf(MSG_DEBUG
, "P2P: Use best 5 GHz band "
5159 "channel: %d MHz", freq
);
5161 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5163 freq
= 5180 + (r
% 4) * 20;
5164 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5165 wpa_printf(MSG_DEBUG
, "P2P: Could not select "
5166 "5 GHz channel for P2P group");
5169 wpa_printf(MSG_DEBUG
, "P2P: Use random 5 GHz band "
5170 "channel: %d MHz", freq
);
5174 if (freq
> 0 && !p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5175 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5176 ieee80211_is_dfs(freq
)) {
5178 * If freq is a DFS channel and DFS is offloaded to the
5179 * driver, allow P2P GO to use it.
5181 wpa_printf(MSG_DEBUG
, "P2P: "
5182 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5186 wpa_printf(MSG_DEBUG
, "P2P: The forced channel for GO "
5187 "(%u MHz) is not supported for P2P uses",
5196 static int wpas_p2p_select_freq_no_pref(struct wpa_supplicant
*wpa_s
,
5197 struct p2p_go_neg_results
*params
,
5198 const struct p2p_channels
*channels
)
5202 /* first try some random selection of the social channels */
5203 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5206 for (i
= 0; i
< 3; i
++) {
5207 params
->freq
= 2412 + ((r
+ i
) % 3) * 25;
5208 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5209 freq_included(channels
, params
->freq
) &&
5210 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5214 /* try all channels in reg. class 81 */
5215 for (i
= 0; i
< 11; i
++) {
5216 params
->freq
= 2412 + i
* 5;
5217 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5218 freq_included(channels
, params
->freq
) &&
5219 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5223 /* try all channels in operating class 115 */
5224 for (i
= 0; i
< 4; i
++) {
5225 params
->freq
= 5180 + i
* 20;
5226 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5227 freq_included(channels
, params
->freq
) &&
5228 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5232 /* try all channels in operating class 124 */
5233 for (i
= 0; i
< 4; i
++) {
5234 params
->freq
= 5745 + i
* 20;
5235 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5236 freq_included(channels
, params
->freq
) &&
5237 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5241 /* try social channel class 180 channel 2 */
5242 params
->freq
= 58320 + 1 * 2160;
5243 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5244 freq_included(channels
, params
->freq
) &&
5245 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5248 /* try all channels in reg. class 180 */
5249 for (i
= 0; i
< 4; i
++) {
5250 params
->freq
= 58320 + i
* 2160;
5251 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5252 freq_included(channels
, params
->freq
) &&
5253 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5257 wpa_printf(MSG_DEBUG
, "P2P: No 2.4, 5, or 60 GHz channel allowed");
5260 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz (no preference known)",
5266 static int wpas_p2p_init_go_params(struct wpa_supplicant
*wpa_s
,
5267 struct p2p_go_neg_results
*params
,
5268 int freq
, int ht40
, int vht
,
5269 const struct p2p_channels
*channels
)
5271 struct wpa_used_freq_data
*freqs
;
5272 unsigned int pref_freq
, cand_freq
;
5273 unsigned int num
, i
;
5275 os_memset(params
, 0, sizeof(*params
));
5276 params
->role_go
= 1;
5277 params
->ht40
= ht40
;
5280 if (!freq_included(channels
, freq
)) {
5281 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
5285 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on forced "
5286 "frequency %d MHz", freq
);
5287 params
->freq
= freq
;
5288 } else if (wpa_s
->conf
->p2p_oper_reg_class
== 81 &&
5289 wpa_s
->conf
->p2p_oper_channel
>= 1 &&
5290 wpa_s
->conf
->p2p_oper_channel
<= 11 &&
5291 freq_included(channels
,
5292 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5293 params
->freq
= 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5294 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5295 "frequency %d MHz", params
->freq
);
5296 } else if ((wpa_s
->conf
->p2p_oper_reg_class
== 115 ||
5297 wpa_s
->conf
->p2p_oper_reg_class
== 116 ||
5298 wpa_s
->conf
->p2p_oper_reg_class
== 117 ||
5299 wpa_s
->conf
->p2p_oper_reg_class
== 124 ||
5300 wpa_s
->conf
->p2p_oper_reg_class
== 125 ||
5301 wpa_s
->conf
->p2p_oper_reg_class
== 126 ||
5302 wpa_s
->conf
->p2p_oper_reg_class
== 127) &&
5303 freq_included(channels
,
5304 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
5305 params
->freq
= 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
;
5306 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
5307 "frequency %d MHz", params
->freq
);
5308 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5309 wpa_s
->best_overall_freq
> 0 &&
5310 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5311 wpa_s
->best_overall_freq
) &&
5312 freq_included(channels
, wpa_s
->best_overall_freq
)) {
5313 params
->freq
= wpa_s
->best_overall_freq
;
5314 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best overall "
5315 "channel %d MHz", params
->freq
);
5316 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5317 wpa_s
->best_24_freq
> 0 &&
5318 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5319 wpa_s
->best_24_freq
) &&
5320 freq_included(channels
, wpa_s
->best_24_freq
)) {
5321 params
->freq
= wpa_s
->best_24_freq
;
5322 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 2.4 GHz "
5323 "channel %d MHz", params
->freq
);
5324 } else if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
5325 wpa_s
->best_5_freq
> 0 &&
5326 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5327 wpa_s
->best_5_freq
) &&
5328 freq_included(channels
, wpa_s
->best_5_freq
)) {
5329 params
->freq
= wpa_s
->best_5_freq
;
5330 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 5 GHz "
5331 "channel %d MHz", params
->freq
);
5332 } else if ((pref_freq
= p2p_get_pref_freq(wpa_s
->global
->p2p
,
5334 params
->freq
= pref_freq
;
5335 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz from preferred "
5336 "channels", params
->freq
);
5338 /* no preference, select some channel */
5339 if (wpas_p2p_select_freq_no_pref(wpa_s
, params
, channels
) < 0)
5343 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
5344 sizeof(struct wpa_used_freq_data
));
5348 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
5349 wpa_s
->num_multichan_concurrent
);
5351 cand_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
5353 /* First try the best used frequency if possible */
5354 if (!freq
&& cand_freq
> 0 && freq_included(channels
, cand_freq
)) {
5355 params
->freq
= cand_freq
;
5357 /* Try any of the used frequencies */
5358 for (i
= 0; i
< num
; i
++) {
5359 if (freq_included(channels
, freqs
[i
].freq
)) {
5360 wpa_printf(MSG_DEBUG
, "P2P: Force GO on a channel we are already using (%u MHz)",
5362 params
->freq
= freqs
[i
].freq
;
5368 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5369 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using");
5373 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on any of the channels we are already using. Use one of the free channels");
5377 for (i
= 0; i
< num
; i
++) {
5378 if (freqs
[i
].freq
== freq
)
5383 if (wpas_p2p_num_unused_channels(wpa_s
) <= 0) {
5385 wpa_printf(MSG_DEBUG
, "P2P: Cannot force GO on freq (%u MHz) as all the channels are in use", freq
);
5389 wpa_printf(MSG_DEBUG
, "P2P: Use one of the free channels");
5399 static struct wpa_supplicant
*
5400 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
5403 struct wpa_supplicant
*group_wpa_s
;
5405 if (!wpas_p2p_create_iface(wpa_s
)) {
5406 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use same interface for group "
5408 wpa_s
->p2p_first_connection_timeout
= 0;
5412 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
5413 WPA_IF_P2P_CLIENT
) < 0) {
5414 wpa_msg_global(wpa_s
, MSG_ERROR
,
5415 "P2P: Failed to add group interface");
5418 group_wpa_s
= wpas_p2p_init_group_interface(wpa_s
, go
);
5419 if (group_wpa_s
== NULL
) {
5420 wpa_msg_global(wpa_s
, MSG_ERROR
,
5421 "P2P: Failed to initialize group interface");
5422 wpas_p2p_remove_pending_group_interface(wpa_s
);
5426 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use separate group interface %s",
5427 group_wpa_s
->ifname
);
5428 group_wpa_s
->p2p_first_connection_timeout
= 0;
5434 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
5435 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5436 * @persistent_group: Whether to create a persistent group
5437 * @freq: Frequency for the group or 0 to indicate no hardcoding
5438 * @ht40: Start GO with 40 MHz channel width
5439 * @vht: Start GO with VHT support
5440 * Returns: 0 on success, -1 on failure
5442 * This function creates a new P2P group with the local end as the Group Owner,
5443 * i.e., without using Group Owner Negotiation.
5445 int wpas_p2p_group_add(struct wpa_supplicant
*wpa_s
, int persistent_group
,
5446 int freq
, int ht40
, int vht
)
5448 struct p2p_go_neg_results params
;
5450 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5453 os_free(wpa_s
->global
->add_psk
);
5454 wpa_s
->global
->add_psk
= NULL
;
5456 /* Make sure we are not running find during connection establishment */
5457 wpa_printf(MSG_DEBUG
, "P2P: Stop any on-going P2P FIND");
5458 wpas_p2p_stop_find_oper(wpa_s
);
5460 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
5464 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, NULL
))
5467 !p2p_supported_freq_go(wpa_s
->global
->p2p
, params
.freq
)) {
5468 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5469 ieee80211_is_dfs(params
.freq
)) {
5471 * If freq is a DFS channel and DFS is offloaded to the
5472 * driver, allow P2P GO to use it.
5474 wpa_printf(MSG_DEBUG
,
5475 "P2P: %s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to driver",
5476 __func__
, params
.freq
);
5478 wpa_printf(MSG_DEBUG
,
5479 "P2P: The selected channel for GO (%u MHz) is not supported for P2P uses",
5484 p2p_go_params(wpa_s
->global
->p2p
, ¶ms
);
5485 params
.persistent_group
= persistent_group
;
5487 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, 0, 1);
5490 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5496 static int wpas_start_p2p_client(struct wpa_supplicant
*wpa_s
,
5497 struct wpa_ssid
*params
, int addr_allocated
,
5500 struct wpa_ssid
*ssid
;
5502 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 0);
5505 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
5507 wpa_supplicant_ap_deinit(wpa_s
);
5509 ssid
= wpa_config_add_network(wpa_s
->conf
);
5512 wpa_config_set_network_defaults(ssid
);
5513 ssid
->temporary
= 1;
5514 ssid
->proto
= WPA_PROTO_RSN
;
5515 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
5516 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
5517 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
5518 ssid
->ssid
= os_malloc(params
->ssid_len
);
5519 if (ssid
->ssid
== NULL
) {
5520 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
5523 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
5524 ssid
->ssid_len
= params
->ssid_len
;
5525 ssid
->p2p_group
= 1;
5526 ssid
->export_keys
= 1;
5527 if (params
->psk_set
) {
5528 os_memcpy(ssid
->psk
, params
->psk
, 32);
5531 if (params
->passphrase
)
5532 ssid
->passphrase
= os_strdup(params
->passphrase
);
5534 wpa_s
->show_group_started
= 1;
5535 wpa_s
->p2p_in_invitation
= 1;
5536 wpa_s
->p2p_invite_go_freq
= freq
;
5538 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5540 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5541 wpas_p2p_group_formation_timeout
,
5542 wpa_s
->parent
, NULL
);
5543 wpa_supplicant_select_network(wpa_s
, ssid
);
5549 int wpas_p2p_group_add_persistent(struct wpa_supplicant
*wpa_s
,
5550 struct wpa_ssid
*ssid
, int addr_allocated
,
5551 int force_freq
, int neg_freq
, int ht40
,
5552 int vht
, const struct p2p_channels
*channels
,
5553 int connection_timeout
)
5555 struct p2p_go_neg_results params
;
5558 if (ssid
->disabled
!= 2 || ssid
->ssid
== NULL
)
5561 if (wpas_get_p2p_group(wpa_s
, ssid
->ssid
, ssid
->ssid_len
, &go
) &&
5562 go
== (ssid
->mode
== WPAS_MODE_P2P_GO
)) {
5563 wpa_printf(MSG_DEBUG
, "P2P: Requested persistent group is "
5566 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
5567 wpa_s
->parent
, NULL
)) {
5569 * This can happen if Invitation Response frame was lost
5570 * and the peer (GO of a persistent group) tries to
5571 * invite us again. Reschedule the timeout to avoid
5572 * terminating the wait for the connection too early
5573 * since we now know that the peer is still trying to
5574 * invite us instead of having already started the GO.
5576 wpa_printf(MSG_DEBUG
,
5577 "P2P: Reschedule group formation timeout since peer is still trying to invite us");
5578 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5579 wpas_p2p_group_formation_timeout
,
5580 wpa_s
->parent
, NULL
);
5585 os_free(wpa_s
->global
->add_psk
);
5586 wpa_s
->global
->add_psk
= NULL
;
5588 /* Make sure we are not running find during connection establishment */
5589 wpas_p2p_stop_find_oper(wpa_s
);
5591 wpa_s
->p2p_fallback_to_go_neg
= 0;
5593 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
5594 if (force_freq
> 0) {
5595 freq
= wpas_p2p_select_go_freq(wpa_s
, force_freq
);
5599 freq
= wpas_p2p_select_go_freq(wpa_s
, neg_freq
);
5601 (freq
> 0 && !freq_included(channels
, freq
)))
5604 } else if (ssid
->mode
== WPAS_MODE_INFRA
) {
5606 if (freq
<= 0 || !freq_included(channels
, freq
)) {
5607 struct os_reltime now
;
5608 struct wpa_bss
*bss
=
5609 wpa_bss_get_p2p_dev_addr(wpa_s
, ssid
->bssid
);
5611 os_get_reltime(&now
);
5613 !os_reltime_expired(&now
, &bss
->last_update
, 5) &&
5614 freq_included(channels
, bss
->freq
))
5620 return wpas_start_p2p_client(wpa_s
, ssid
, addr_allocated
, freq
);
5625 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, ht40
, vht
, channels
))
5629 params
.psk_set
= ssid
->psk_set
;
5631 os_memcpy(params
.psk
, ssid
->psk
, sizeof(params
.psk
));
5632 if (ssid
->passphrase
) {
5633 if (os_strlen(ssid
->passphrase
) >= sizeof(params
.passphrase
)) {
5634 wpa_printf(MSG_ERROR
, "P2P: Invalid passphrase in "
5635 "persistent group");
5638 os_strlcpy(params
.passphrase
, ssid
->passphrase
,
5639 sizeof(params
.passphrase
));
5641 os_memcpy(params
.ssid
, ssid
->ssid
, ssid
->ssid_len
);
5642 params
.ssid_len
= ssid
->ssid_len
;
5643 params
.persistent_group
= 1;
5645 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 1);
5649 p2p_channels_to_freqs(channels
, params
.freq_list
, P2P_MAX_CHANNELS
);
5651 wpa_s
->p2p_first_connection_timeout
= connection_timeout
;
5652 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
5658 static void wpas_p2p_ie_update(void *ctx
, struct wpabuf
*beacon_ies
,
5659 struct wpabuf
*proberesp_ies
)
5661 struct wpa_supplicant
*wpa_s
= ctx
;
5662 if (wpa_s
->ap_iface
) {
5663 struct hostapd_data
*hapd
= wpa_s
->ap_iface
->bss
[0];
5664 if (!(hapd
->conf
->p2p
& P2P_GROUP_OWNER
)) {
5665 wpabuf_free(beacon_ies
);
5666 wpabuf_free(proberesp_ies
);
5670 wpabuf_free(hapd
->p2p_beacon_ie
);
5671 hapd
->p2p_beacon_ie
= beacon_ies
;
5673 wpabuf_free(hapd
->p2p_probe_resp_ie
);
5674 hapd
->p2p_probe_resp_ie
= proberesp_ies
;
5676 wpabuf_free(beacon_ies
);
5677 wpabuf_free(proberesp_ies
);
5679 wpa_supplicant_ap_update_beacon(wpa_s
);
5683 static void wpas_p2p_idle_update(void *ctx
, int idle
)
5685 struct wpa_supplicant
*wpa_s
= ctx
;
5686 if (!wpa_s
->ap_iface
)
5688 wpa_printf(MSG_DEBUG
, "P2P: GO - group %sidle", idle
? "" : "not ");
5690 if (wpa_s
->global
->p2p_fail_on_wps_complete
&&
5691 wpa_s
->p2p_in_provisioning
) {
5692 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5695 wpas_p2p_set_group_idle_timeout(wpa_s
);
5697 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
5701 struct p2p_group
* wpas_p2p_group_init(struct wpa_supplicant
*wpa_s
,
5702 struct wpa_ssid
*ssid
)
5704 struct p2p_group
*group
;
5705 struct p2p_group_config
*cfg
;
5707 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5710 cfg
= os_zalloc(sizeof(*cfg
));
5714 if (ssid
->p2p_persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
5715 cfg
->persistent_group
= 2;
5716 else if (ssid
->p2p_persistent_group
)
5717 cfg
->persistent_group
= 1;
5718 os_memcpy(cfg
->interface_addr
, wpa_s
->own_addr
, ETH_ALEN
);
5719 if (wpa_s
->max_stations
&&
5720 wpa_s
->max_stations
< wpa_s
->conf
->max_num_sta
)
5721 cfg
->max_clients
= wpa_s
->max_stations
;
5723 cfg
->max_clients
= wpa_s
->conf
->max_num_sta
;
5724 os_memcpy(cfg
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
5725 cfg
->ssid_len
= ssid
->ssid_len
;
5726 cfg
->freq
= ssid
->frequency
;
5727 cfg
->cb_ctx
= wpa_s
;
5728 cfg
->ie_update
= wpas_p2p_ie_update
;
5729 cfg
->idle_update
= wpas_p2p_idle_update
;
5731 group
= p2p_group_init(wpa_s
->global
->p2p
, cfg
);
5734 if (ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
5735 p2p_group_notif_formation_done(group
);
5736 wpa_s
->p2p_group
= group
;
5741 void wpas_p2p_wps_success(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5744 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
5746 if (!wpa_s
->p2p_in_provisioning
) {
5747 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS success event - P2P "
5748 "provisioning not in progress");
5752 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5753 u8 go_dev_addr
[ETH_ALEN
];
5754 os_memcpy(go_dev_addr
, wpa_s
->bssid
, ETH_ALEN
);
5755 wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
5757 /* Clear any stored provisioning info */
5758 p2p_clear_provisioning_info(wpa_s
->global
->p2p
, go_dev_addr
);
5761 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->parent
,
5763 wpa_s
->p2p_go_group_formation_completed
= 1;
5764 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
5766 * Use a separate timeout for initial data connection to
5767 * complete to allow the group to be removed automatically if
5768 * something goes wrong in this step before the P2P group idle
5769 * timeout mechanism is taken into use.
5771 wpa_dbg(wpa_s
, MSG_DEBUG
,
5772 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
5773 P2P_MAX_INITIAL_CONN_WAIT
);
5774 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
5775 wpas_p2p_group_formation_timeout
,
5776 wpa_s
->parent
, NULL
);
5779 * Use a separate timeout for initial data connection to
5780 * complete to allow the group to be removed automatically if
5781 * the client does not complete data connection successfully.
5783 wpa_dbg(wpa_s
, MSG_DEBUG
,
5784 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
5785 P2P_MAX_INITIAL_CONN_WAIT_GO
);
5786 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO
, 0,
5787 wpas_p2p_group_formation_timeout
,
5788 wpa_s
->parent
, NULL
);
5790 * Complete group formation on first successful data connection
5792 wpa_s
->p2p_go_group_formation_completed
= 0;
5794 if (wpa_s
->global
->p2p
)
5795 p2p_wps_success_cb(wpa_s
->global
->p2p
, peer_addr
);
5796 wpas_group_formation_completed(wpa_s
, 1, 0);
5800 void wpas_p2p_wps_failed(struct wpa_supplicant
*wpa_s
,
5801 struct wps_event_fail
*fail
)
5803 if (!wpa_s
->p2p_in_provisioning
) {
5804 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS fail event - P2P "
5805 "provisioning not in progress");
5809 if (wpa_s
->go_params
) {
5810 p2p_clear_provisioning_info(
5812 wpa_s
->go_params
->peer_device_addr
);
5815 wpas_notify_p2p_wps_failed(wpa_s
, fail
);
5817 if (wpa_s
== wpa_s
->global
->p2p_group_formation
) {
5819 * Allow some time for the failed WPS negotiation exchange to
5820 * complete, but remove the group since group formation cannot
5821 * succeed after provisioning failure.
5823 wpa_printf(MSG_DEBUG
, "P2P: WPS step failed during group formation - reject connection from timeout");
5824 wpa_s
->global
->p2p_fail_on_wps_complete
= 1;
5825 eloop_deplete_timeout(0, 50000,
5826 wpas_p2p_group_formation_timeout
,
5827 wpa_s
->parent
, NULL
);
5832 int wpas_p2p_wps_eapol_cb(struct wpa_supplicant
*wpa_s
)
5834 if (!wpa_s
->global
->p2p_fail_on_wps_complete
||
5835 !wpa_s
->p2p_in_provisioning
)
5838 wpas_p2p_grpform_fail_after_wps(wpa_s
);
5844 int wpas_p2p_prov_disc(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5845 const char *config_method
,
5846 enum wpas_p2p_prov_disc_use use
,
5847 struct p2ps_provision
*p2ps_prov
)
5851 wpa_s
->global
->pending_p2ps_group
= 0;
5852 wpa_s
->p2p_fallback_to_go_neg
= 0;
5853 wpa_s
->pending_pd_use
= NORMAL_PD
;
5854 if (p2ps_prov
&& use
== WPAS_P2P_PD_FOR_ASP
) {
5855 p2ps_prov
->conncap
= p2ps_group_capability(
5856 wpa_s
, P2PS_SETUP_NONE
, p2ps_prov
->role
);
5857 wpa_printf(MSG_DEBUG
,
5858 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
5859 __func__
, p2ps_prov
->conncap
,
5860 p2ps_prov
->adv_id
, p2ps_prov
->conncap
,
5861 p2ps_prov
->status
, p2ps_prov
->info
);
5864 } else if (os_strncmp(config_method
, "display", 7) == 0)
5865 config_methods
= WPS_CONFIG_DISPLAY
;
5866 else if (os_strncmp(config_method
, "keypad", 6) == 0)
5867 config_methods
= WPS_CONFIG_KEYPAD
;
5868 else if (os_strncmp(config_method
, "pbc", 3) == 0 ||
5869 os_strncmp(config_method
, "pushbutton", 10) == 0)
5870 config_methods
= WPS_CONFIG_PUSHBUTTON
;
5872 wpa_printf(MSG_DEBUG
, "P2P: Unknown config method");
5877 if (use
== WPAS_P2P_PD_AUTO
) {
5878 os_memcpy(wpa_s
->pending_join_dev_addr
, peer_addr
, ETH_ALEN
);
5879 wpa_s
->pending_pd_config_methods
= config_methods
;
5880 wpa_s
->p2p_auto_pd
= 1;
5881 wpa_s
->p2p_auto_join
= 0;
5882 wpa_s
->pending_pd_before_join
= 0;
5883 wpa_s
->auto_pd_scan_retry
= 0;
5884 wpas_p2p_stop_find(wpa_s
);
5885 wpa_s
->p2p_join_scan_count
= 0;
5886 os_get_reltime(&wpa_s
->p2p_auto_started
);
5887 wpa_printf(MSG_DEBUG
, "P2P: Auto PD started at %ld.%06ld",
5888 wpa_s
->p2p_auto_started
.sec
,
5889 wpa_s
->p2p_auto_started
.usec
);
5890 wpas_p2p_join_scan(wpa_s
, NULL
);
5894 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
) {
5899 return p2p_prov_disc_req(wpa_s
->global
->p2p
, peer_addr
, p2ps_prov
,
5900 config_methods
, use
== WPAS_P2P_PD_FOR_JOIN
,
5905 int wpas_p2p_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
5908 return p2p_scan_result_text(ies
, ies_len
, buf
, end
);
5912 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant
*wpa_s
)
5914 if (!offchannel_pending_action_tx(wpa_s
))
5917 wpas_p2p_action_tx_clear(wpa_s
);
5919 wpa_printf(MSG_DEBUG
, "P2P: Drop pending Action TX due to new "
5920 "operation request");
5921 offchannel_clear_pending_action_tx(wpa_s
);
5925 int wpas_p2p_find(struct wpa_supplicant
*wpa_s
, unsigned int timeout
,
5926 enum p2p_discovery_type type
,
5927 unsigned int num_req_dev_types
, const u8
*req_dev_types
,
5928 const u8
*dev_id
, unsigned int search_delay
,
5929 u8 seek_cnt
, const char **seek_string
, int freq
)
5931 wpas_p2p_clear_pending_action_tx(wpa_s
);
5932 wpa_s
->p2p_long_listen
= 0;
5934 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
||
5935 wpa_s
->p2p_in_provisioning
)
5938 wpa_supplicant_cancel_sched_scan(wpa_s
);
5940 return p2p_find(wpa_s
->global
->p2p
, timeout
, type
,
5941 num_req_dev_types
, req_dev_types
, dev_id
,
5942 search_delay
, seek_cnt
, seek_string
, freq
);
5946 static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant
*wpa_s
,
5947 struct wpa_scan_results
*scan_res
)
5949 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
5951 if (wpa_s
->p2p_scan_work
) {
5952 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
5953 wpa_s
->p2p_scan_work
= NULL
;
5954 radio_work_done(work
);
5957 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5961 * Indicate that results have been processed so that the P2P module can
5962 * continue pending tasks.
5964 p2p_scan_res_handled(wpa_s
->global
->p2p
);
5968 static void wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
)
5970 wpas_p2p_clear_pending_action_tx(wpa_s
);
5971 wpa_s
->p2p_long_listen
= 0;
5972 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
5973 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
5975 if (wpa_s
->global
->p2p
)
5976 p2p_stop_find(wpa_s
->global
->p2p
);
5978 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_handler
) {
5979 wpa_printf(MSG_DEBUG
,
5980 "P2P: Do not consider the scan results after stop_find");
5981 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore_search
;
5986 void wpas_p2p_stop_find(struct wpa_supplicant
*wpa_s
)
5988 wpas_p2p_stop_find_oper(wpa_s
);
5989 if (!wpa_s
->global
->pending_group_iface_for_p2ps
)
5990 wpas_p2p_remove_pending_group_interface(wpa_s
);
5994 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
)
5996 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
5997 wpa_s
->p2p_long_listen
= 0;
6001 int wpas_p2p_listen(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
6005 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6008 wpa_supplicant_cancel_sched_scan(wpa_s
);
6009 wpas_p2p_clear_pending_action_tx(wpa_s
);
6013 * This is a request for unlimited Listen state. However, at
6014 * least for now, this is mapped to a Listen state for one
6019 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
6020 wpa_s
->p2p_long_listen
= 0;
6023 * Stop previous find/listen operation to avoid trying to request a new
6024 * remain-on-channel operation while the driver is still running the
6027 if (wpa_s
->global
->p2p
)
6028 p2p_stop_find(wpa_s
->global
->p2p
);
6030 res
= wpas_p2p_listen_start(wpa_s
, timeout
* 1000);
6031 if (res
== 0 && timeout
* 1000 > wpa_s
->max_remain_on_chan
) {
6032 wpa_s
->p2p_long_listen
= timeout
* 1000;
6033 eloop_register_timeout(timeout
, 0,
6034 wpas_p2p_long_listen_timeout
,
6042 int wpas_p2p_assoc_req_ie(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
6043 u8
*buf
, size_t len
, int p2p_group
)
6045 struct wpabuf
*p2p_ie
;
6048 if (wpa_s
->global
->p2p_disabled
)
6051 * Advertize mandatory cross connection capability even on
6052 * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
6054 if (wpa_s
->conf
->p2p_disabled
&& p2p_group
)
6056 if (wpa_s
->global
->p2p
== NULL
)
6061 p2p_ie
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
6062 ret
= p2p_assoc_req_ie(wpa_s
->global
->p2p
, bss
->bssid
, buf
, len
,
6064 wpabuf_free(p2p_ie
);
6070 int wpas_p2p_probe_req_rx(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
6071 const u8
*dst
, const u8
*bssid
,
6072 const u8
*ie
, size_t ie_len
,
6073 unsigned int rx_freq
, int ssi_signal
)
6075 if (wpa_s
->global
->p2p_disabled
)
6077 if (wpa_s
->global
->p2p
== NULL
)
6080 switch (p2p_probe_req_rx(wpa_s
->global
->p2p
, addr
, dst
, bssid
,
6081 ie
, ie_len
, rx_freq
)) {
6082 case P2P_PREQ_NOT_P2P
:
6083 wpas_notify_preq(wpa_s
, addr
, dst
, bssid
, ie
, ie_len
,
6086 case P2P_PREQ_MALFORMED
:
6087 case P2P_PREQ_NOT_LISTEN
:
6088 case P2P_PREQ_NOT_PROCESSED
:
6089 default: /* make gcc happy */
6091 case P2P_PREQ_PROCESSED
:
6097 void wpas_p2p_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*da
,
6098 const u8
*sa
, const u8
*bssid
,
6099 u8 category
, const u8
*data
, size_t len
, int freq
)
6101 if (wpa_s
->global
->p2p_disabled
)
6103 if (wpa_s
->global
->p2p
== NULL
)
6106 p2p_rx_action(wpa_s
->global
->p2p
, da
, sa
, bssid
, category
, data
, len
,
6111 void wpas_p2p_scan_ie(struct wpa_supplicant
*wpa_s
, struct wpabuf
*ies
)
6113 if (wpa_s
->global
->p2p_disabled
)
6115 if (wpa_s
->global
->p2p
== NULL
)
6118 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
);
6122 static void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
)
6124 p2p_group_deinit(wpa_s
->p2p_group
);
6125 wpa_s
->p2p_group
= NULL
;
6127 wpa_s
->ap_configured_cb
= NULL
;
6128 wpa_s
->ap_configured_cb_ctx
= NULL
;
6129 wpa_s
->ap_configured_cb_data
= NULL
;
6130 wpa_s
->connect_without_scan
= NULL
;
6134 int wpas_p2p_reject(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
6136 wpa_s
->p2p_long_listen
= 0;
6138 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6141 return p2p_reject(wpa_s
->global
->p2p
, addr
);
6145 /* Invite to reinvoke a persistent group */
6146 int wpas_p2p_invite(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
6147 struct wpa_ssid
*ssid
, const u8
*go_dev_addr
, int freq
,
6148 int ht40
, int vht
, int pref_freq
)
6150 enum p2p_invite_role role
;
6154 int no_pref_freq_given
= pref_freq
== 0;
6156 wpa_s
->global
->p2p_invite_group
= NULL
;
6158 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
6160 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
6162 wpa_s
->p2p_persistent_go_freq
= freq
;
6163 wpa_s
->p2p_go_ht40
= !!ht40
;
6164 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6165 role
= P2P_INVITE_ROLE_GO
;
6166 if (peer_addr
== NULL
) {
6167 wpa_printf(MSG_DEBUG
, "P2P: Missing peer "
6168 "address in invitation command");
6171 if (wpas_p2p_create_iface(wpa_s
)) {
6172 if (wpas_p2p_add_group_interface(wpa_s
,
6173 WPA_IF_P2P_GO
) < 0) {
6174 wpa_printf(MSG_ERROR
, "P2P: Failed to "
6175 "allocate a new interface for the "
6179 bssid
= wpa_s
->pending_interface_addr
;
6181 bssid
= wpa_s
->own_addr
;
6183 role
= P2P_INVITE_ROLE_CLIENT
;
6184 peer_addr
= ssid
->bssid
;
6186 wpa_s
->pending_invite_ssid_id
= ssid
->id
;
6188 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6189 role
== P2P_INVITE_ROLE_GO
);
6193 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6196 if (wpa_s
->parent
->conf
->p2p_ignore_shared_freq
&&
6197 no_pref_freq_given
&& pref_freq
> 0 &&
6198 wpa_s
->num_multichan_concurrent
> 1 &&
6199 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
6200 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
6206 * Stop any find/listen operations before invitation and possibly
6207 * connection establishment.
6209 wpas_p2p_stop_find_oper(wpa_s
);
6211 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6212 ssid
->ssid
, ssid
->ssid_len
, force_freq
, go_dev_addr
,
6217 /* Invite to join an active group */
6218 int wpas_p2p_invite_group(struct wpa_supplicant
*wpa_s
, const char *ifname
,
6219 const u8
*peer_addr
, const u8
*go_dev_addr
)
6221 struct wpa_global
*global
= wpa_s
->global
;
6222 enum p2p_invite_role role
;
6224 struct wpa_ssid
*ssid
;
6226 int freq
= 0, force_freq
= 0, pref_freq
= 0;
6229 wpa_s
->p2p_persistent_go_freq
= 0;
6230 wpa_s
->p2p_go_ht40
= 0;
6231 wpa_s
->p2p_go_vht
= 0;
6233 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6234 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
6237 if (wpa_s
== NULL
) {
6238 wpa_printf(MSG_DEBUG
, "P2P: Interface '%s' not found", ifname
);
6242 ssid
= wpa_s
->current_ssid
;
6244 wpa_printf(MSG_DEBUG
, "P2P: No current SSID to use for "
6249 wpa_s
->global
->p2p_invite_group
= wpa_s
;
6250 persistent
= ssid
->p2p_persistent_group
&&
6251 wpas_p2p_get_persistent(wpa_s
->parent
, peer_addr
,
6252 ssid
->ssid
, ssid
->ssid_len
);
6254 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6255 role
= P2P_INVITE_ROLE_ACTIVE_GO
;
6256 bssid
= wpa_s
->own_addr
;
6257 if (go_dev_addr
== NULL
)
6258 go_dev_addr
= wpa_s
->global
->p2p_dev_addr
;
6259 freq
= ssid
->frequency
;
6261 role
= P2P_INVITE_ROLE_CLIENT
;
6262 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
) {
6263 wpa_printf(MSG_DEBUG
, "P2P: Not associated - cannot "
6264 "invite to current group");
6267 bssid
= wpa_s
->bssid
;
6268 if (go_dev_addr
== NULL
&&
6269 !is_zero_ether_addr(wpa_s
->go_dev_addr
))
6270 go_dev_addr
= wpa_s
->go_dev_addr
;
6271 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6272 (int) wpa_s
->assoc_freq
;
6274 wpa_s
->parent
->pending_invite_ssid_id
= -1;
6276 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6279 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
6280 role
== P2P_INVITE_ROLE_ACTIVE_GO
);
6283 wpas_p2p_set_own_freq_preference(wpa_s
, force_freq
);
6285 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
6286 ssid
->ssid
, ssid
->ssid_len
, force_freq
,
6287 go_dev_addr
, persistent
, pref_freq
, -1);
6291 void wpas_p2p_completed(struct wpa_supplicant
*wpa_s
)
6293 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6294 u8 go_dev_addr
[ETH_ALEN
];
6295 int network_id
= -1;
6301 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
) {
6302 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6303 wpa_s
->parent
, NULL
);
6306 if (!wpa_s
->show_group_started
|| !ssid
)
6309 wpa_s
->show_group_started
= 0;
6311 os_memset(go_dev_addr
, 0, ETH_ALEN
);
6312 if (ssid
->bssid_set
)
6313 os_memcpy(go_dev_addr
, ssid
->bssid
, ETH_ALEN
);
6314 persistent
= wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
6316 os_memcpy(wpa_s
->go_dev_addr
, go_dev_addr
, ETH_ALEN
);
6318 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
6319 wpa_s
->global
->p2p_group_formation
= NULL
;
6321 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
6322 (int) wpa_s
->assoc_freq
;
6325 if (wpa_sm_get_p2p_ip_addr(wpa_s
->wpa
, ip
) == 0) {
6328 res
= os_snprintf(ip_addr
, sizeof(ip_addr
),
6329 " ip_addr=%u.%u.%u.%u "
6330 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
6331 ip
[0], ip
[1], ip
[2], ip
[3],
6332 ip
[4], ip
[5], ip
[6], ip
[7],
6333 ip
[8], ip
[9], ip
[10], ip
[11]);
6334 if (os_snprintf_error(sizeof(ip_addr
), res
))
6338 wpas_p2p_group_started(wpa_s
, 0, ssid
, freq
,
6339 ssid
->passphrase
== NULL
&& ssid
->psk_set
?
6341 ssid
->passphrase
, go_dev_addr
, persistent
,
6345 network_id
= wpas_p2p_store_persistent_group(wpa_s
->parent
,
6348 network_id
= ssid
->id
;
6349 wpas_notify_p2p_group_started(wpa_s
, ssid
, network_id
, 1);
6353 int wpas_p2p_presence_req(struct wpa_supplicant
*wpa_s
, u32 duration1
,
6354 u32 interval1
, u32 duration2
, u32 interval2
)
6358 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6361 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
6362 wpa_s
->current_ssid
== NULL
||
6363 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
6366 ret
= p2p_presence_req(wpa_s
->global
->p2p
, wpa_s
->bssid
,
6367 wpa_s
->own_addr
, wpa_s
->assoc_freq
,
6368 duration1
, interval1
, duration2
, interval2
);
6370 wpa_s
->waiting_presence_resp
= 1;
6376 int wpas_p2p_ext_listen(struct wpa_supplicant
*wpa_s
, unsigned int period
,
6377 unsigned int interval
)
6379 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6382 return p2p_ext_listen(wpa_s
->global
->p2p
, period
, interval
);
6386 static int wpas_p2p_is_client(struct wpa_supplicant
*wpa_s
)
6388 if (wpa_s
->current_ssid
== NULL
) {
6390 * current_ssid can be cleared when P2P client interface gets
6391 * disconnected, so assume this interface was used as P2P
6396 return wpa_s
->current_ssid
->p2p_group
&&
6397 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
;
6401 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
)
6403 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6405 if (wpa_s
->conf
->p2p_group_idle
== 0 && !wpas_p2p_is_client(wpa_s
)) {
6406 wpa_printf(MSG_DEBUG
, "P2P: Ignore group idle timeout - "
6411 wpa_printf(MSG_DEBUG
, "P2P: Group idle timeout reached - terminate "
6413 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_IDLE_TIMEOUT
);
6417 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
)
6421 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6422 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6424 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6427 timeout
= wpa_s
->conf
->p2p_group_idle
;
6428 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
6429 (timeout
== 0 || timeout
> P2P_MAX_CLIENT_IDLE
))
6430 timeout
= P2P_MAX_CLIENT_IDLE
;
6436 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
)
6437 timeout
= 0; /* special client mode no-timeout */
6442 if (wpa_s
->p2p_in_provisioning
) {
6444 * Use the normal group formation timeout during the
6445 * provisioning phase to avoid terminating this process too
6446 * early due to group idle timeout.
6448 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6449 "during provisioning");
6453 if (wpa_s
->show_group_started
) {
6455 * Use the normal group formation timeout between the end of
6456 * the provisioning phase and completion of 4-way handshake to
6457 * avoid terminating this process too early due to group idle
6460 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
6461 "while waiting for initial 4-way handshake to "
6466 wpa_printf(MSG_DEBUG
, "P2P: Set P2P group idle timeout to %u seconds",
6468 eloop_register_timeout(timeout
, 0, wpas_p2p_group_idle_timeout
,
6473 /* Returns 1 if the interface was removed */
6474 int wpas_p2p_deauth_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6475 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6476 int locally_generated
)
6478 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6481 if (!locally_generated
)
6482 p2p_deauth_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6485 if (reason_code
== WLAN_REASON_DEAUTH_LEAVING
&& !locally_generated
&&
6486 wpa_s
->current_ssid
&&
6487 wpa_s
->current_ssid
->p2p_group
&&
6488 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
6489 wpa_printf(MSG_DEBUG
, "P2P: GO indicated that the P2P Group "
6490 "session is ending");
6491 if (wpas_p2p_group_delete(wpa_s
,
6492 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
)
6501 void wpas_p2p_disassoc_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6502 u16 reason_code
, const u8
*ie
, size_t ie_len
,
6503 int locally_generated
)
6505 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6508 if (!locally_generated
)
6509 p2p_disassoc_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
6514 void wpas_p2p_update_config(struct wpa_supplicant
*wpa_s
)
6516 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6521 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
6524 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_NAME
)
6525 p2p_set_dev_name(p2p
, wpa_s
->conf
->device_name
);
6527 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
6528 p2p_set_pri_dev_type(p2p
, wpa_s
->conf
->device_type
);
6531 (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
))
6532 p2p_set_config_methods(p2p
, wpa_s
->wps
->config_methods
);
6534 if (wpa_s
->wps
&& (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
))
6535 p2p_set_uuid(p2p
, wpa_s
->wps
->uuid
);
6537 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_WPS_STRING
) {
6538 p2p_set_manufacturer(p2p
, wpa_s
->conf
->manufacturer
);
6539 p2p_set_model_name(p2p
, wpa_s
->conf
->model_name
);
6540 p2p_set_model_number(p2p
, wpa_s
->conf
->model_number
);
6541 p2p_set_serial_number(p2p
, wpa_s
->conf
->serial_number
);
6544 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
)
6545 p2p_set_sec_dev_types(p2p
,
6546 (void *) wpa_s
->conf
->sec_device_type
,
6547 wpa_s
->conf
->num_sec_device_types
);
6549 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
) {
6551 p2p_remove_wps_vendor_extensions(p2p
);
6552 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
6553 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
6555 p2p_add_wps_vendor_extension(
6556 p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
6560 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
6561 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
6563 country
[0] = wpa_s
->conf
->country
[0];
6564 country
[1] = wpa_s
->conf
->country
[1];
6566 p2p_set_country(p2p
, country
);
6569 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_SSID_POSTFIX
) {
6570 p2p_set_ssid_postfix(p2p
, (u8
*) wpa_s
->conf
->p2p_ssid_postfix
,
6571 wpa_s
->conf
->p2p_ssid_postfix
?
6572 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
) :
6576 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_INTRA_BSS
)
6577 p2p_set_intra_bss_dist(p2p
, wpa_s
->conf
->p2p_intra_bss
);
6579 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_LISTEN_CHANNEL
) {
6580 u8 reg_class
, channel
;
6585 if (wpa_s
->conf
->p2p_listen_reg_class
&&
6586 wpa_s
->conf
->p2p_listen_channel
) {
6587 reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
6588 channel
= wpa_s
->conf
->p2p_listen_channel
;
6593 * Pick one of the social channels randomly as the
6596 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6599 channel
= 1 + (r
% 3) * 5;
6602 ret
= p2p_set_listen_channel(p2p
, reg_class
, channel
,
6605 wpa_printf(MSG_ERROR
, "P2P: Own listen channel update "
6608 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_OPER_CHANNEL
) {
6609 u8 op_reg_class
, op_channel
, cfg_op_channel
;
6612 if (wpa_s
->conf
->p2p_oper_reg_class
&&
6613 wpa_s
->conf
->p2p_oper_channel
) {
6614 op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
6615 op_channel
= wpa_s
->conf
->p2p_oper_channel
;
6620 * Use random operation channel from (1, 6, 11)
6621 *if no other preference is indicated.
6623 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
6626 op_channel
= 1 + (r
% 3) * 5;
6629 ret
= p2p_set_oper_channel(p2p
, op_reg_class
, op_channel
,
6632 wpa_printf(MSG_ERROR
, "P2P: Own oper channel update "
6636 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PREF_CHAN
) {
6637 if (p2p_set_pref_chan(p2p
, wpa_s
->conf
->num_p2p_pref_chan
,
6638 wpa_s
->conf
->p2p_pref_chan
) < 0) {
6639 wpa_printf(MSG_ERROR
, "P2P: Preferred channel list "
6643 if (p2p_set_no_go_freq(p2p
, &wpa_s
->conf
->p2p_no_go_freq
) < 0) {
6644 wpa_printf(MSG_ERROR
, "P2P: No GO channel list "
6649 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PASSPHRASE_LEN
)
6650 p2p_set_passphrase_len(p2p
, wpa_s
->conf
->p2p_passphrase_len
);
6654 int wpas_p2p_set_noa(struct wpa_supplicant
*wpa_s
, u8 count
, int start
,
6657 if (!wpa_s
->ap_iface
)
6659 return hostapd_p2p_set_noa(wpa_s
->ap_iface
->bss
[0], count
, start
,
6664 int wpas_p2p_set_cross_connect(struct wpa_supplicant
*wpa_s
, int enabled
)
6666 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6669 wpa_s
->global
->cross_connection
= enabled
;
6670 p2p_set_cross_connect(wpa_s
->global
->p2p
, enabled
);
6673 struct wpa_supplicant
*iface
;
6675 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
6677 if (iface
->cross_connect_enabled
== 0)
6680 iface
->cross_connect_enabled
= 0;
6681 iface
->cross_connect_in_use
= 0;
6682 wpa_msg_global(iface
->parent
, MSG_INFO
,
6683 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6685 iface
->cross_connect_uplink
);
6693 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant
*uplink
)
6695 struct wpa_supplicant
*iface
;
6697 if (!uplink
->global
->cross_connection
)
6700 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6701 if (!iface
->cross_connect_enabled
)
6703 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6706 if (iface
->ap_iface
== NULL
)
6708 if (iface
->cross_connect_in_use
)
6711 iface
->cross_connect_in_use
= 1;
6712 wpa_msg_global(iface
->parent
, MSG_INFO
,
6713 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6714 iface
->ifname
, iface
->cross_connect_uplink
);
6719 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant
*uplink
)
6721 struct wpa_supplicant
*iface
;
6723 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
6724 if (!iface
->cross_connect_enabled
)
6726 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
6729 if (!iface
->cross_connect_in_use
)
6732 wpa_msg_global(iface
->parent
, MSG_INFO
,
6733 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
6734 iface
->ifname
, iface
->cross_connect_uplink
);
6735 iface
->cross_connect_in_use
= 0;
6740 void wpas_p2p_notif_connected(struct wpa_supplicant
*wpa_s
)
6742 if (wpa_s
->ap_iface
|| wpa_s
->current_ssid
== NULL
||
6743 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6744 wpa_s
->cross_connect_disallowed
)
6745 wpas_p2p_disable_cross_connect(wpa_s
);
6747 wpas_p2p_enable_cross_connect(wpa_s
);
6748 if (!wpa_s
->ap_iface
&&
6749 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
6750 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
6754 void wpas_p2p_notif_disconnected(struct wpa_supplicant
*wpa_s
)
6756 wpas_p2p_disable_cross_connect(wpa_s
);
6757 if (!wpa_s
->ap_iface
&&
6758 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout
,
6760 wpas_p2p_set_group_idle_timeout(wpa_s
);
6764 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
)
6766 struct wpa_supplicant
*iface
;
6768 if (!wpa_s
->global
->cross_connection
)
6771 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
6774 if (iface
->drv_flags
&
6775 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)
6777 if ((iface
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
) &&
6778 iface
!= wpa_s
->parent
)
6781 wpa_s
->cross_connect_enabled
= 1;
6782 os_strlcpy(wpa_s
->cross_connect_uplink
, iface
->ifname
,
6783 sizeof(wpa_s
->cross_connect_uplink
));
6784 wpa_printf(MSG_DEBUG
, "P2P: Enable cross connection from "
6785 "%s to %s whenever uplink is available",
6786 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6788 if (iface
->ap_iface
|| iface
->current_ssid
== NULL
||
6789 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
6790 iface
->cross_connect_disallowed
||
6791 iface
->wpa_state
!= WPA_COMPLETED
)
6794 wpa_s
->cross_connect_in_use
= 1;
6795 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
6796 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
6797 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
6803 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant
*wpa_s
)
6805 if (wpa_s
->p2p_group_interface
!= P2P_GROUP_INTERFACE_CLIENT
&&
6806 !wpa_s
->p2p_in_provisioning
)
6807 return 0; /* not P2P client operation */
6809 wpa_printf(MSG_DEBUG
, "P2P: Terminate connection due to WPS PBC "
6811 if (wpa_s
!= wpa_s
->parent
)
6812 wpa_msg_ctrl(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_OVERLAP
);
6813 wpas_p2p_group_formation_failed(wpa_s
, 0);
6818 void wpas_p2p_pbc_overlap_cb(void *eloop_ctx
, void *timeout_ctx
)
6820 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6821 wpas_p2p_notif_pbc_overlap(wpa_s
);
6825 void wpas_p2p_update_channel_list(struct wpa_supplicant
*wpa_s
)
6827 struct p2p_channels chan
, cli_chan
;
6828 struct wpa_supplicant
*ifs
;
6830 if (wpa_s
->global
== NULL
|| wpa_s
->global
->p2p
== NULL
)
6833 os_memset(&chan
, 0, sizeof(chan
));
6834 os_memset(&cli_chan
, 0, sizeof(cli_chan
));
6835 if (wpas_p2p_setup_channels(wpa_s
, &chan
, &cli_chan
)) {
6836 wpa_printf(MSG_ERROR
, "P2P: Failed to update supported "
6841 p2p_update_channel_list(wpa_s
->global
->p2p
, &chan
, &cli_chan
);
6843 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
6845 if (!ifs
->current_ssid
||
6846 !ifs
->current_ssid
->p2p_group
||
6847 (ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
&&
6848 ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
))
6850 freq
= ifs
->current_ssid
->frequency
;
6851 if (freq_included(&chan
, freq
)) {
6852 wpa_dbg(ifs
, MSG_DEBUG
,
6853 "P2P GO operating frequency %d MHz in valid range",
6858 wpa_dbg(ifs
, MSG_DEBUG
,
6859 "P2P GO operating in invalid frequency %d MHz", freq
);
6860 /* TODO: Consider using CSA or removing the group within
6862 wpa_msg(ifs
, MSG_INFO
, P2P_EVENT_REMOVE_AND_REFORM_GROUP
);
6867 static void wpas_p2p_scan_res_ignore(struct wpa_supplicant
*wpa_s
,
6868 struct wpa_scan_results
*scan_res
)
6870 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
6874 int wpas_p2p_cancel(struct wpa_supplicant
*wpa_s
)
6876 struct wpa_global
*global
= wpa_s
->global
;
6880 if (global
->p2p
== NULL
)
6883 wpa_printf(MSG_DEBUG
, "P2P: Request to cancel group formation");
6885 if (wpa_s
->pending_interface_name
[0] &&
6886 !is_zero_ether_addr(wpa_s
->pending_interface_addr
))
6889 peer
= p2p_get_go_neg_peer(global
->p2p
);
6891 wpa_printf(MSG_DEBUG
, "P2P: Unauthorize pending GO Neg peer "
6892 MACSTR
, MAC2STR(peer
));
6893 p2p_unauthorize(global
->p2p
, peer
);
6897 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_join
) {
6898 wpa_printf(MSG_DEBUG
, "P2P: Stop pending scan for join");
6899 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore
;
6903 if (wpa_s
->pending_pd_before_join
) {
6904 wpa_printf(MSG_DEBUG
, "P2P: Stop pending PD before join");
6905 wpa_s
->pending_pd_before_join
= 0;
6909 wpas_p2p_stop_find(wpa_s
);
6911 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
6912 if (wpa_s
== global
->p2p_group_formation
&&
6913 (wpa_s
->p2p_in_provisioning
||
6914 wpa_s
->parent
->pending_interface_type
==
6915 WPA_IF_P2P_CLIENT
)) {
6916 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in group "
6917 "formation found - cancelling",
6920 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6921 wpa_s
->parent
, NULL
);
6922 if (wpa_s
->p2p_in_provisioning
) {
6923 wpas_group_formation_completed(wpa_s
, 0, 0);
6926 wpas_p2p_group_delete(wpa_s
,
6927 P2P_GROUP_REMOVAL_REQUESTED
);
6929 } else if (wpa_s
->p2p_in_invitation
) {
6930 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in invitation found - cancelling",
6933 wpas_p2p_group_formation_failed(wpa_s
, 0);
6938 wpa_printf(MSG_DEBUG
, "P2P: No ongoing group formation found");
6946 void wpas_p2p_interface_unavailable(struct wpa_supplicant
*wpa_s
)
6948 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
6951 wpa_printf(MSG_DEBUG
, "P2P: Remove group due to driver resource not "
6952 "being available anymore");
6953 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_UNAVAILABLE
);
6957 void wpas_p2p_update_best_channels(struct wpa_supplicant
*wpa_s
,
6958 int freq_24
, int freq_5
, int freq_overall
)
6960 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6963 p2p_set_best_channels(p2p
, freq_24
, freq_5
, freq_overall
);
6967 int wpas_p2p_unauthorize(struct wpa_supplicant
*wpa_s
, const char *addr
)
6970 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
6975 if (hwaddr_aton(addr
, peer
))
6978 return p2p_unauthorize(p2p
, peer
);
6983 * wpas_p2p_disconnect - Disconnect from a P2P Group
6984 * @wpa_s: Pointer to wpa_supplicant data
6985 * Returns: 0 on success, -1 on failure
6987 * This can be used to disconnect from a group in which the local end is a P2P
6988 * Client or to end a P2P Group in case the local end is the Group Owner. If a
6989 * virtual network interface was created for this group, that interface will be
6990 * removed. Otherwise, only the configured P2P group network will be removed
6991 * from the interface.
6993 int wpas_p2p_disconnect(struct wpa_supplicant
*wpa_s
)
6999 return wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_REQUESTED
) < 0 ?
7004 int wpas_p2p_in_progress(struct wpa_supplicant
*wpa_s
)
7008 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7011 ret
= p2p_in_progress(wpa_s
->global
->p2p
);
7014 * Check whether there is an ongoing WPS provisioning step (or
7015 * other parts of group formation) on another interface since
7016 * p2p_in_progress() does not report this to avoid issues for
7017 * scans during such provisioning step.
7019 if (wpa_s
->global
->p2p_group_formation
&&
7020 wpa_s
->global
->p2p_group_formation
!= wpa_s
) {
7021 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Another interface (%s) "
7022 "in group formation",
7023 wpa_s
->global
->p2p_group_formation
->ifname
);
7028 if (!ret
&& wpa_s
->global
->p2p_go_wait_client
.sec
) {
7029 struct os_reltime now
;
7030 os_get_reltime(&now
);
7031 if (os_reltime_expired(&now
, &wpa_s
->global
->p2p_go_wait_client
,
7032 P2P_MAX_INITIAL_CONN_WAIT_GO
)) {
7033 /* Wait for the first client has expired */
7034 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
7036 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Waiting for initial client connection during group formation");
7045 void wpas_p2p_network_removed(struct wpa_supplicant
*wpa_s
,
7046 struct wpa_ssid
*ssid
)
7048 if (wpa_s
->p2p_in_provisioning
&& ssid
->p2p_group
&&
7049 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7050 wpa_s
->parent
, NULL
) > 0) {
7052 * Remove the network by scheduling the group formation
7053 * timeout to happen immediately. The teardown code
7054 * needs to be scheduled to run asynch later so that we
7055 * don't delete data from under ourselves unexpectedly.
7056 * Calling wpas_p2p_group_formation_timeout directly
7057 * causes a series of crashes in WPS failure scenarios.
7059 wpa_printf(MSG_DEBUG
, "P2P: Canceled group formation due to "
7060 "P2P group network getting removed");
7061 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
7062 wpa_s
->parent
, NULL
);
7067 struct wpa_ssid
* wpas_p2p_get_persistent(struct wpa_supplicant
*wpa_s
,
7068 const u8
*addr
, const u8
*ssid
,
7074 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
7075 if (s
->disabled
!= 2)
7078 (ssid_len
!= s
->ssid_len
||
7079 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0))
7082 if (s
->mode
== WPAS_MODE_P2P_GO
)
7086 if (os_memcmp(s
->bssid
, addr
, ETH_ALEN
) == 0)
7087 return s
; /* peer is GO in the persistent group */
7088 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->p2p_client_list
== NULL
)
7090 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
7091 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
7092 addr
, ETH_ALEN
) == 0)
7093 return s
; /* peer is P2P client in persistent
7102 void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant
*wpa_s
,
7105 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7106 wpa_s
->parent
, NULL
) > 0) {
7108 * This can happen if WPS provisioning step is not terminated
7109 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
7110 * peer was able to connect, there is no need to time out group
7111 * formation after this, though. In addition, this is used with
7112 * the initial connection wait on the GO as a separate formation
7113 * timeout and as such, expected to be hit after the initial WPS
7114 * provisioning step.
7116 wpa_printf(MSG_DEBUG
, "P2P: Canceled P2P group formation timeout on data connection");
7118 if (!wpa_s
->p2p_go_group_formation_completed
&&
7119 !wpa_s
->group_formation_reported
) {
7121 * GO has not yet notified group formation success since
7122 * the WPS step was not completed cleanly. Do that
7123 * notification now since the P2P Client was able to
7124 * connect and as such, must have received the
7125 * credential from the WPS step.
7127 if (wpa_s
->global
->p2p
)
7128 p2p_wps_success_cb(wpa_s
->global
->p2p
, addr
);
7129 wpas_group_formation_completed(wpa_s
, 1, 0);
7132 if (!wpa_s
->p2p_go_group_formation_completed
) {
7133 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Marking group formation completed on GO on first data connection");
7134 wpa_s
->p2p_go_group_formation_completed
= 1;
7135 wpa_s
->global
->p2p_group_formation
= NULL
;
7136 wpa_s
->p2p_in_provisioning
= 0;
7137 wpa_s
->p2p_in_invitation
= 0;
7139 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
7142 wpas_p2p_add_persistent_group_client(wpa_s
, addr
);
7146 static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
7149 struct wpa_supplicant
*group
= wpa_s
;
7152 if (wpa_s
->global
->p2p_group_formation
)
7153 group
= wpa_s
->global
->p2p_group_formation
;
7154 wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
7155 offchannel_send_action_done(wpa_s
);
7157 ret
= wpas_p2p_group_delete(group
, P2P_GROUP_REMOVAL_SILENT
);
7158 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Fall back to GO Negotiation");
7159 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
, wpa_s
->p2p_pin
,
7160 wpa_s
->p2p_wps_method
, wpa_s
->p2p_persistent_group
, 0,
7161 0, 0, wpa_s
->p2p_go_intent
, wpa_s
->p2p_connect_freq
,
7162 wpa_s
->p2p_persistent_id
,
7163 wpa_s
->p2p_pd_before_go_neg
,
7170 int wpas_p2p_scan_no_go_seen(struct wpa_supplicant
*wpa_s
)
7174 if (!wpa_s
->p2p_fallback_to_go_neg
||
7175 wpa_s
->p2p_in_provisioning
<= 5)
7178 if (wpas_p2p_peer_go(wpa_s
, wpa_s
->pending_join_dev_addr
) > 0)
7179 return 0; /* peer operating as a GO */
7181 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: GO not found for p2p_connect-auto - "
7182 "fallback to GO Negotiation");
7183 wpa_msg_global(wpa_s
->parent
, MSG_INFO
, P2P_EVENT_FALLBACK_TO_GO_NEG
7184 "reason=GO-not-found");
7185 res
= wpas_p2p_fallback_to_go_neg(wpa_s
, 1);
7187 return res
== 1 ? 2 : 1;
7191 unsigned int wpas_p2p_search_delay(struct wpa_supplicant
*wpa_s
)
7193 struct wpa_supplicant
*ifs
;
7195 if (wpa_s
->wpa_state
> WPA_SCANNING
) {
7196 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search delay due to "
7197 "concurrent operation",
7198 wpa_s
->conf
->p2p_search_delay
);
7199 return wpa_s
->conf
->p2p_search_delay
;
7202 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
7204 if (ifs
!= wpa_s
&& ifs
->wpa_state
> WPA_SCANNING
) {
7205 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search "
7206 "delay due to concurrent operation on "
7208 wpa_s
->conf
->p2p_search_delay
,
7210 return wpa_s
->conf
->p2p_search_delay
;
7218 static int wpas_p2p_remove_psk_entry(struct wpa_supplicant
*wpa_s
,
7219 struct wpa_ssid
*s
, const u8
*addr
,
7222 struct psk_list_entry
*psk
, *tmp
;
7225 dl_list_for_each_safe(psk
, tmp
, &s
->psk_list
, struct psk_list_entry
,
7227 if ((iface_addr
&& !psk
->p2p
&&
7228 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0) ||
7229 (!iface_addr
&& psk
->p2p
&&
7230 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0)) {
7231 wpa_dbg(wpa_s
, MSG_DEBUG
,
7232 "P2P: Remove persistent group PSK list entry for "
7234 MAC2STR(psk
->addr
), psk
->p2p
);
7235 dl_list_del(&psk
->list
);
7245 void wpas_p2p_new_psk_cb(struct wpa_supplicant
*wpa_s
, const u8
*mac_addr
,
7246 const u8
*p2p_dev_addr
,
7247 const u8
*psk
, size_t psk_len
)
7249 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7250 struct wpa_ssid
*persistent
;
7251 struct psk_list_entry
*p
, *last
;
7253 if (psk_len
!= sizeof(p
->psk
))
7257 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
7258 " p2p_dev_addr=" MACSTR
,
7259 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
7260 if (is_zero_ether_addr(p2p_dev_addr
))
7261 p2p_dev_addr
= NULL
;
7263 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
,
7267 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
7268 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: new_psk_cb during group formation");
7269 /* To be added to persistent group once created */
7270 if (wpa_s
->global
->add_psk
== NULL
) {
7271 wpa_s
->global
->add_psk
= os_zalloc(sizeof(*p
));
7272 if (wpa_s
->global
->add_psk
== NULL
)
7275 p
= wpa_s
->global
->add_psk
;
7278 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7281 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7283 os_memcpy(p
->psk
, psk
, psk_len
);
7287 if (ssid
->mode
!= WPAS_MODE_P2P_GO
|| !ssid
->p2p_persistent_group
) {
7288 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Ignore new_psk_cb on not-persistent GO");
7292 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, NULL
, ssid
->ssid
,
7295 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not find persistent group information to store the new PSK");
7299 p
= os_zalloc(sizeof(*p
));
7304 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
7307 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
7309 os_memcpy(p
->psk
, psk
, psk_len
);
7311 if (dl_list_len(&persistent
->psk_list
) > P2P_MAX_STORED_CLIENTS
&&
7312 (last
= dl_list_last(&persistent
->psk_list
,
7313 struct psk_list_entry
, list
))) {
7314 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove oldest PSK entry for "
7315 MACSTR
" (p2p=%u) to make room for a new one",
7316 MAC2STR(last
->addr
), last
->p2p
);
7317 dl_list_del(&last
->list
);
7321 wpas_p2p_remove_psk_entry(wpa_s
->parent
, persistent
,
7322 p2p_dev_addr
? p2p_dev_addr
: mac_addr
,
7323 p2p_dev_addr
== NULL
);
7325 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for p2p_dev_addr="
7326 MACSTR
, MAC2STR(p2p_dev_addr
));
7328 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for addr=" MACSTR
,
7331 dl_list_add(&persistent
->psk_list
, &p
->list
);
7333 if (wpa_s
->parent
->conf
->update_config
&&
7334 wpa_config_write(wpa_s
->parent
->confname
, wpa_s
->parent
->conf
))
7335 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
7339 static void wpas_p2p_remove_psk(struct wpa_supplicant
*wpa_s
,
7340 struct wpa_ssid
*s
, const u8
*addr
,
7345 res
= wpas_p2p_remove_psk_entry(wpa_s
, s
, addr
, iface_addr
);
7346 if (res
> 0 && wpa_s
->conf
->update_config
&&
7347 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
))
7348 wpa_dbg(wpa_s
, MSG_DEBUG
,
7349 "P2P: Failed to update configuration");
7353 static void wpas_p2p_remove_client_go(struct wpa_supplicant
*wpa_s
,
7354 const u8
*peer
, int iface_addr
)
7356 struct hostapd_data
*hapd
;
7357 struct hostapd_wpa_psk
*psk
, *prev
, *rem
;
7358 struct sta_info
*sta
;
7360 if (wpa_s
->ap_iface
== NULL
|| wpa_s
->current_ssid
== NULL
||
7361 wpa_s
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
)
7364 /* Remove per-station PSK entry */
7365 hapd
= wpa_s
->ap_iface
->bss
[0];
7367 psk
= hapd
->conf
->ssid
.wpa_psk
;
7369 if ((iface_addr
&& os_memcmp(peer
, psk
->addr
, ETH_ALEN
) == 0) ||
7371 os_memcmp(peer
, psk
->p2p_dev_addr
, ETH_ALEN
) == 0)) {
7372 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove operating group PSK entry for "
7373 MACSTR
" iface_addr=%d",
7374 MAC2STR(peer
), iface_addr
);
7376 prev
->next
= psk
->next
;
7378 hapd
->conf
->ssid
.wpa_psk
= psk
->next
;
7388 /* Disconnect from group */
7390 sta
= ap_get_sta(hapd
, peer
);
7392 sta
= ap_get_sta_p2p(hapd
, peer
);
7394 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disconnect peer " MACSTR
7395 " (iface_addr=%d) from group",
7396 MAC2STR(peer
), iface_addr
);
7397 hostapd_drv_sta_deauth(hapd
, sta
->addr
,
7398 WLAN_REASON_DEAUTH_LEAVING
);
7399 ap_sta_deauthenticate(hapd
, sta
, WLAN_REASON_DEAUTH_LEAVING
);
7404 void wpas_p2p_remove_client(struct wpa_supplicant
*wpa_s
, const u8
*peer
,
7408 struct wpa_supplicant
*w
;
7409 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
7411 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove client " MACSTR
, MAC2STR(peer
));
7413 /* Remove from any persistent group */
7414 for (s
= p2p_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
7415 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
7418 wpas_remove_persistent_peer(p2p_wpa_s
, s
, peer
, 0);
7419 wpas_p2p_remove_psk(p2p_wpa_s
, s
, peer
, iface_addr
);
7422 /* Remove from any operating group */
7423 for (w
= wpa_s
->global
->ifaces
; w
; w
= w
->next
)
7424 wpas_p2p_remove_client_go(w
, peer
, iface_addr
);
7428 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
)
7430 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7431 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_PSK_FAILURE
);
7435 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
)
7437 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7439 wpa_printf(MSG_DEBUG
, "P2P: Frequency conflict - terminate group");
7440 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_FREQ_CONFLICT
);
7444 int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant
*wpa_s
, int freq
,
7445 struct wpa_ssid
*ssid
)
7447 struct wpa_supplicant
*iface
;
7449 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7450 if (!iface
->current_ssid
||
7451 iface
->current_ssid
->frequency
== freq
||
7452 (iface
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
&&
7453 !iface
->current_ssid
->p2p_group
))
7456 /* Remove the connection with least priority */
7457 if (!wpas_is_p2p_prioritized(iface
)) {
7458 /* STA connection has priority over existing
7459 * P2P connection, so remove the interface. */
7460 wpa_printf(MSG_DEBUG
, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
7461 eloop_register_timeout(0, 0,
7462 wpas_p2p_group_freq_conflict
,
7464 /* If connection in progress is P2P connection, do not
7465 * proceed for the connection. */
7471 /* P2P connection has priority, disable the STA network
7473 wpa_supplicant_disable_network(wpa_s
->global
->ifaces
,
7475 wpa_msg(wpa_s
->global
->ifaces
, MSG_INFO
,
7476 WPA_EVENT_FREQ_CONFLICT
" id=%d", ssid
->id
);
7477 os_memset(wpa_s
->global
->ifaces
->pending_bssid
, 0,
7479 /* If P2P connection is in progress, continue
7492 int wpas_p2p_4way_hs_failed(struct wpa_supplicant
*wpa_s
)
7494 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7496 if (ssid
== NULL
|| !ssid
->p2p_group
)
7499 if (wpa_s
->p2p_last_4way_hs_fail
&&
7500 wpa_s
->p2p_last_4way_hs_fail
== ssid
) {
7501 u8 go_dev_addr
[ETH_ALEN
];
7502 struct wpa_ssid
*persistent
;
7504 if (wpas_p2p_persistent_group(wpa_s
, go_dev_addr
,
7506 ssid
->ssid_len
) <= 0) {
7507 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
7511 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
7512 MACSTR
, MAC2STR(go_dev_addr
));
7513 persistent
= wpas_p2p_get_persistent(wpa_s
->parent
, go_dev_addr
,
7516 if (persistent
== NULL
|| persistent
->mode
!= WPAS_MODE_INFRA
) {
7517 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No matching persistent group stored");
7520 wpa_msg_global(wpa_s
->parent
, MSG_INFO
,
7521 P2P_EVENT_PERSISTENT_PSK_FAIL
"%d",
7524 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
7526 * Remove the group from a timeout to avoid issues with caller
7527 * continuing to use the interface if this is on a P2P group
7530 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal
,
7535 wpa_s
->p2p_last_4way_hs_fail
= ssid
;
7540 #ifdef CONFIG_WPS_NFC
7542 static struct wpabuf
* wpas_p2p_nfc_handover(int ndef
, struct wpabuf
*wsc
,
7550 wpa_printf(MSG_DEBUG
, "P2P: No p2p buffer for handover");
7554 wsc_len
= wsc
? wpabuf_len(wsc
) : 0;
7555 ret
= wpabuf_alloc(2 + wsc_len
+ 2 + wpabuf_len(p2p
));
7562 wpabuf_put_be16(ret
, wsc_len
);
7564 wpabuf_put_buf(ret
, wsc
);
7565 wpabuf_put_be16(ret
, wpabuf_len(p2p
));
7566 wpabuf_put_buf(ret
, p2p
);
7570 wpa_hexdump_buf(MSG_DEBUG
,
7571 "P2P: Generated NFC connection handover message", ret
);
7575 tmp
= ndef_build_p2p(ret
);
7578 wpa_printf(MSG_DEBUG
, "P2P: Failed to NDEF encapsulate handover request");
7588 static int wpas_p2p_cli_freq(struct wpa_supplicant
*wpa_s
,
7589 struct wpa_ssid
**ssid
, u8
*go_dev_addr
)
7591 struct wpa_supplicant
*iface
;
7594 os_memset(go_dev_addr
, 0, ETH_ALEN
);
7597 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7598 if (iface
->wpa_state
< WPA_ASSOCIATING
||
7599 iface
->current_ssid
== NULL
|| iface
->assoc_freq
== 0 ||
7600 !iface
->current_ssid
->p2p_group
||
7601 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
7604 *ssid
= iface
->current_ssid
;
7606 os_memcpy(go_dev_addr
, iface
->go_dev_addr
, ETH_ALEN
);
7607 return iface
->assoc_freq
;
7613 struct wpabuf
* wpas_p2p_nfc_handover_req(struct wpa_supplicant
*wpa_s
,
7616 struct wpabuf
*wsc
, *p2p
;
7617 struct wpa_ssid
*ssid
;
7618 u8 go_dev_addr
[ETH_ALEN
];
7619 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7621 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
) {
7622 wpa_printf(MSG_DEBUG
, "P2P: P2P disabled - cannot build handover request");
7626 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7627 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7628 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0) {
7629 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No DH key available for handover request");
7633 if (cli_freq
== 0) {
7634 wsc
= wps_build_nfc_handover_req_p2p(
7635 wpa_s
->parent
->wps
, wpa_s
->conf
->wps_nfc_dh_pubkey
);
7638 p2p
= p2p_build_nfc_handover_req(wpa_s
->global
->p2p
, cli_freq
,
7639 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7640 ssid
? ssid
->ssid_len
: 0);
7642 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7646 struct wpabuf
* wpas_p2p_nfc_handover_sel(struct wpa_supplicant
*wpa_s
,
7649 struct wpabuf
*wsc
, *p2p
;
7650 struct wpa_ssid
*ssid
;
7651 u8 go_dev_addr
[ETH_ALEN
];
7652 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
7654 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7657 if (!tag
&& wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7658 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7659 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
7662 if (cli_freq
== 0) {
7663 wsc
= wps_build_nfc_handover_sel_p2p(
7665 tag
? wpa_s
->conf
->wps_nfc_dev_pw_id
:
7666 DEV_PW_NFC_CONNECTION_HANDOVER
,
7667 wpa_s
->conf
->wps_nfc_dh_pubkey
,
7668 tag
? wpa_s
->conf
->wps_nfc_dev_pw
: NULL
);
7671 p2p
= p2p_build_nfc_handover_sel(wpa_s
->global
->p2p
, cli_freq
,
7672 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
7673 ssid
? ssid
->ssid_len
: 0);
7675 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
7679 static int wpas_p2p_nfc_join_group(struct wpa_supplicant
*wpa_s
,
7680 struct p2p_nfc_params
*params
)
7682 wpa_printf(MSG_DEBUG
, "P2P: Initiate join-group based on NFC "
7683 "connection handover (freq=%d)",
7686 if (params
->go_freq
&& params
->go_ssid_len
) {
7687 wpa_s
->p2p_wps_method
= WPS_NFC
;
7688 wpa_s
->pending_join_wps_method
= WPS_NFC
;
7689 os_memset(wpa_s
->pending_join_iface_addr
, 0, ETH_ALEN
);
7690 os_memcpy(wpa_s
->pending_join_dev_addr
, params
->go_dev_addr
,
7692 return wpas_p2p_join_start(wpa_s
, params
->go_freq
,
7694 params
->go_ssid_len
);
7697 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7698 WPS_NFC
, 0, 0, 1, 0, wpa_s
->conf
->p2p_go_intent
,
7699 params
->go_freq
, -1, 0, 1, 1);
7703 static int wpas_p2p_nfc_auth_join(struct wpa_supplicant
*wpa_s
,
7704 struct p2p_nfc_params
*params
, int tag
)
7706 int res
, persistent
;
7707 struct wpa_ssid
*ssid
;
7709 wpa_printf(MSG_DEBUG
, "P2P: Authorize join-group based on NFC "
7710 "connection handover");
7711 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
7712 ssid
= wpa_s
->current_ssid
;
7715 if (ssid
->mode
!= WPAS_MODE_P2P_GO
)
7717 if (wpa_s
->ap_iface
== NULL
)
7721 if (wpa_s
== NULL
) {
7722 wpa_printf(MSG_DEBUG
, "P2P: Could not find GO interface");
7726 if (wpa_s
->parent
->p2p_oob_dev_pw_id
!=
7727 DEV_PW_NFC_CONNECTION_HANDOVER
&&
7728 !wpa_s
->parent
->p2p_oob_dev_pw
) {
7729 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
7732 res
= wpas_ap_wps_add_nfc_pw(
7733 wpa_s
, wpa_s
->parent
->p2p_oob_dev_pw_id
,
7734 wpa_s
->parent
->p2p_oob_dev_pw
,
7735 wpa_s
->parent
->p2p_peer_oob_pk_hash_known
?
7736 wpa_s
->parent
->p2p_peer_oob_pubkey_hash
: NULL
);
7741 wpa_printf(MSG_DEBUG
, "P2P: Negotiated handover - wait for peer to join without invitation");
7745 if (!params
->peer
||
7746 !(params
->peer
->dev_capab
& P2P_DEV_CAPAB_INVITATION_PROCEDURE
))
7749 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invite peer " MACSTR
7750 " to join", MAC2STR(params
->peer
->p2p_device_addr
));
7752 wpa_s
->global
->p2p_invite_group
= wpa_s
;
7753 persistent
= ssid
->p2p_persistent_group
&&
7754 wpas_p2p_get_persistent(wpa_s
->parent
,
7755 params
->peer
->p2p_device_addr
,
7756 ssid
->ssid
, ssid
->ssid_len
);
7757 wpa_s
->parent
->pending_invite_ssid_id
= -1;
7759 return p2p_invite(wpa_s
->global
->p2p
, params
->peer
->p2p_device_addr
,
7760 P2P_INVITE_ROLE_ACTIVE_GO
, wpa_s
->own_addr
,
7761 ssid
->ssid
, ssid
->ssid_len
, ssid
->frequency
,
7762 wpa_s
->global
->p2p_dev_addr
, persistent
, 0,
7763 wpa_s
->parent
->p2p_oob_dev_pw_id
);
7767 static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant
*wpa_s
,
7768 struct p2p_nfc_params
*params
,
7771 wpa_printf(MSG_DEBUG
, "P2P: Initiate GO Negotiation based on NFC "
7772 "connection handover");
7773 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7774 WPS_NFC
, 0, 0, 0, 0, wpa_s
->conf
->p2p_go_intent
,
7775 forced_freq
, -1, 0, 1, 1);
7779 static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant
*wpa_s
,
7780 struct p2p_nfc_params
*params
,
7785 wpa_printf(MSG_DEBUG
, "P2P: Authorize GO Negotiation based on NFC "
7786 "connection handover");
7787 res
= wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
7788 WPS_NFC
, 0, 0, 0, 1, wpa_s
->conf
->p2p_go_intent
,
7789 forced_freq
, -1, 0, 1, 1);
7793 res
= wpas_p2p_listen(wpa_s
, 60);
7795 p2p_unauthorize(wpa_s
->global
->p2p
,
7796 params
->peer
->p2p_device_addr
);
7803 static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant
*wpa_s
,
7804 const struct wpabuf
*data
,
7805 int sel
, int tag
, int forced_freq
)
7807 const u8
*pos
, *end
;
7809 struct p2p_nfc_params params
;
7812 os_memset(¶ms
, 0, sizeof(params
));
7815 wpa_hexdump_buf(MSG_DEBUG
, "P2P: Received NFC tag payload", data
);
7817 pos
= wpabuf_head(data
);
7818 end
= pos
+ wpabuf_len(data
);
7820 if (end
- pos
< 2) {
7821 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of WSC "
7825 len
= WPA_GET_BE16(pos
);
7827 if (len
> end
- pos
) {
7828 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for WSC "
7832 params
.wsc_attr
= pos
;
7833 params
.wsc_len
= len
;
7836 if (end
- pos
< 2) {
7837 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of P2P "
7841 len
= WPA_GET_BE16(pos
);
7843 if (len
> end
- pos
) {
7844 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for P2P "
7848 params
.p2p_attr
= pos
;
7849 params
.p2p_len
= len
;
7852 wpa_hexdump(MSG_DEBUG
, "P2P: WSC attributes",
7853 params
.wsc_attr
, params
.wsc_len
);
7854 wpa_hexdump(MSG_DEBUG
, "P2P: P2P attributes",
7855 params
.p2p_attr
, params
.p2p_len
);
7857 wpa_hexdump(MSG_DEBUG
,
7858 "P2P: Ignored extra data after P2P attributes",
7862 res
= p2p_process_nfc_connection_handover(wpa_s
->global
->p2p
, ¶ms
);
7866 if (params
.next_step
== NO_ACTION
)
7869 if (params
.next_step
== BOTH_GO
) {
7870 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_BOTH_GO
"peer=" MACSTR
,
7871 MAC2STR(params
.peer
->p2p_device_addr
));
7875 if (params
.next_step
== PEER_CLIENT
) {
7876 if (!is_zero_ether_addr(params
.go_dev_addr
)) {
7877 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7878 "peer=" MACSTR
" freq=%d go_dev_addr=" MACSTR
7880 MAC2STR(params
.peer
->p2p_device_addr
),
7882 MAC2STR(params
.go_dev_addr
),
7883 wpa_ssid_txt(params
.go_ssid
,
7884 params
.go_ssid_len
));
7886 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
7887 "peer=" MACSTR
" freq=%d",
7888 MAC2STR(params
.peer
->p2p_device_addr
),
7894 if (wpas_p2p_cli_freq(wpa_s
, NULL
, NULL
)) {
7895 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_WHILE_CLIENT
"peer="
7896 MACSTR
, MAC2STR(params
.peer
->p2p_device_addr
));
7900 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
7901 wpa_s
->p2p_oob_dev_pw
= NULL
;
7903 if (params
.oob_dev_pw_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
7904 wpa_printf(MSG_DEBUG
, "P2P: No peer OOB Dev Pw "
7909 id
= WPA_GET_BE16(params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
);
7910 wpa_printf(MSG_DEBUG
, "P2P: Peer OOB Dev Pw %u", id
);
7911 wpa_hexdump(MSG_DEBUG
, "P2P: Peer OOB Public Key hash",
7912 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
7913 os_memcpy(wpa_s
->p2p_peer_oob_pubkey_hash
,
7914 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
7915 wpa_s
->p2p_peer_oob_pk_hash_known
= 1;
7919 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invalid "
7920 "peer OOB Device Password Id %u", id
);
7923 wpa_printf(MSG_DEBUG
, "P2P: Static handover - use peer OOB "
7924 "Device Password Id %u", id
);
7925 wpa_hexdump_key(MSG_DEBUG
, "P2P: Peer OOB Device Password",
7926 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
7927 params
.oob_dev_pw_len
-
7928 WPS_OOB_PUBKEY_HASH_LEN
- 2);
7929 wpa_s
->p2p_oob_dev_pw_id
= id
;
7930 wpa_s
->p2p_oob_dev_pw
= wpabuf_alloc_copy(
7931 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
7932 params
.oob_dev_pw_len
-
7933 WPS_OOB_PUBKEY_HASH_LEN
- 2);
7934 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
7937 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
7938 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
7939 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
7942 wpa_printf(MSG_DEBUG
, "P2P: Using abbreviated WPS handshake "
7943 "without Device Password");
7944 wpa_s
->p2p_oob_dev_pw_id
= DEV_PW_NFC_CONNECTION_HANDOVER
;
7947 switch (params
.next_step
) {
7951 /* already covered above */
7954 return wpas_p2p_nfc_join_group(wpa_s
, ¶ms
);
7956 return wpas_p2p_nfc_auth_join(wpa_s
, ¶ms
, tag
);
7958 return wpas_p2p_nfc_init_go_neg(wpa_s
, ¶ms
, forced_freq
);
7960 /* TODO: use own OOB Dev Pw */
7961 return wpas_p2p_nfc_resp_go_neg(wpa_s
, ¶ms
, forced_freq
);
7968 int wpas_p2p_nfc_tag_process(struct wpa_supplicant
*wpa_s
,
7969 const struct wpabuf
*data
, int forced_freq
)
7971 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7974 return wpas_p2p_nfc_connection_handover(wpa_s
, data
, 1, 1, forced_freq
);
7978 int wpas_p2p_nfc_report_handover(struct wpa_supplicant
*wpa_s
, int init
,
7979 const struct wpabuf
*req
,
7980 const struct wpabuf
*sel
, int forced_freq
)
7985 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7988 wpa_printf(MSG_DEBUG
, "NFC: P2P connection handover reported");
7990 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Req",
7991 wpabuf_head(req
), wpabuf_len(req
));
7992 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Sel",
7993 wpabuf_head(sel
), wpabuf_len(sel
));
7995 wpa_printf(MSG_DEBUG
, "NFC: Forced freq %d", forced_freq
);
7996 tmp
= ndef_parse_p2p(init
? sel
: req
);
7998 wpa_printf(MSG_DEBUG
, "P2P: Could not parse NDEF");
8002 ret
= wpas_p2p_nfc_connection_handover(wpa_s
, tmp
, init
, 0,
8010 int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant
*wpa_s
, int enabled
)
8013 int go_intent
= wpa_s
->conf
->p2p_go_intent
;
8014 struct wpa_supplicant
*iface
;
8016 if (wpa_s
->global
->p2p
== NULL
)
8020 wpa_printf(MSG_DEBUG
, "P2P: Disable use of own NFC Tag");
8021 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
8023 if (!iface
->ap_iface
)
8025 hostapd_wps_nfc_token_disable(iface
->ap_iface
->bss
[0]);
8027 p2p_set_authorized_oob_dev_pw_id(wpa_s
->global
->p2p
, 0,
8029 if (wpa_s
->p2p_nfc_tag_enabled
)
8030 wpas_p2p_remove_pending_group_interface(wpa_s
);
8031 wpa_s
->p2p_nfc_tag_enabled
= 0;
8035 if (wpa_s
->global
->p2p_disabled
)
8038 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
||
8039 wpa_s
->conf
->wps_nfc_dh_privkey
== NULL
||
8040 wpa_s
->conf
->wps_nfc_dev_pw
== NULL
||
8041 wpa_s
->conf
->wps_nfc_dev_pw_id
< 0x10) {
8042 wpa_printf(MSG_DEBUG
, "P2P: NFC password token not configured "
8043 "to allow static handover cases");
8047 wpa_printf(MSG_DEBUG
, "P2P: Enable use of own NFC Tag");
8049 wpa_s
->p2p_oob_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
8050 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
8051 wpa_s
->p2p_oob_dev_pw
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
8052 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
8054 wpa_s
->p2p_peer_oob_pk_hash_known
= 0;
8056 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
||
8057 wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
) {
8059 * P2P Group Interface present and the command came on group
8060 * interface, so enable the token for the current interface.
8062 wpa_s
->create_p2p_iface
= 0;
8064 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
8067 if (wpa_s
->create_p2p_iface
) {
8068 enum wpa_driver_if_type iftype
;
8069 /* Prepare to add a new interface for the group */
8070 iftype
= WPA_IF_P2P_GROUP
;
8071 if (go_intent
== 15)
8072 iftype
= WPA_IF_P2P_GO
;
8073 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
8074 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
8075 "interface for the group");
8079 if_addr
= wpa_s
->pending_interface_addr
;
8081 if_addr
= wpa_s
->own_addr
;
8083 wpa_s
->p2p_nfc_tag_enabled
= enabled
;
8085 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
8086 struct hostapd_data
*hapd
;
8087 if (iface
->ap_iface
== NULL
)
8089 hapd
= iface
->ap_iface
->bss
[0];
8090 wpabuf_free(hapd
->conf
->wps_nfc_dh_pubkey
);
8091 hapd
->conf
->wps_nfc_dh_pubkey
=
8092 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
8093 wpabuf_free(hapd
->conf
->wps_nfc_dh_privkey
);
8094 hapd
->conf
->wps_nfc_dh_privkey
=
8095 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
8096 wpabuf_free(hapd
->conf
->wps_nfc_dev_pw
);
8097 hapd
->conf
->wps_nfc_dev_pw
=
8098 wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
8099 hapd
->conf
->wps_nfc_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
8101 if (hostapd_wps_nfc_token_enable(iface
->ap_iface
->bss
[0]) < 0) {
8102 wpa_dbg(iface
, MSG_DEBUG
,
8103 "P2P: Failed to enable NFC Tag for GO");
8106 p2p_set_authorized_oob_dev_pw_id(
8107 wpa_s
->global
->p2p
, wpa_s
->conf
->wps_nfc_dev_pw_id
, go_intent
,
8113 #endif /* CONFIG_WPS_NFC */
8116 static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant
*wpa_s
,
8117 struct wpa_used_freq_data
*freqs
,
8120 u8 curr_chan
, cand
, chan
;
8123 curr_chan
= p2p_get_listen_channel(wpa_s
->global
->p2p
);
8124 for (i
= 0, cand
= 0; i
< num
; i
++) {
8125 ieee80211_freq_to_chan(freqs
[i
].freq
, &chan
);
8126 if (curr_chan
== chan
) {
8131 if (chan
== 1 || chan
== 6 || chan
== 11)
8136 wpa_dbg(wpa_s
, MSG_DEBUG
,
8137 "P2P: Update Listen channel to %u based on operating channel",
8139 p2p_set_listen_channel(wpa_s
->global
->p2p
, 81, cand
, 0);
8144 void wpas_p2p_indicate_state_change(struct wpa_supplicant
*wpa_s
)
8146 struct wpa_used_freq_data
*freqs
;
8147 unsigned int num
= wpa_s
->num_multichan_concurrent
;
8149 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8153 * If possible, optimize the Listen channel to be a channel that is
8154 * already used by one of the other interfaces.
8156 if (!wpa_s
->conf
->p2p_optimize_listen_chan
)
8159 if (!wpa_s
->current_ssid
|| wpa_s
->wpa_state
!= WPA_COMPLETED
)
8162 freqs
= os_calloc(num
, sizeof(struct wpa_used_freq_data
));
8166 num
= get_shared_radio_freqs_data(wpa_s
, freqs
, num
);
8168 wpas_p2p_optimize_listen_channel(wpa_s
, freqs
, num
);
8173 void wpas_p2p_deinit_iface(struct wpa_supplicant
*wpa_s
)
8175 if (wpa_s
== wpa_s
->global
->p2p_init_wpa_s
&& wpa_s
->global
->p2p
) {
8176 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disable P2P since removing "
8177 "the management interface is being removed");
8178 wpas_p2p_deinit_global(wpa_s
->global
);
8183 void wpas_p2p_ap_deinit(struct wpa_supplicant
*wpa_s
)
8185 if (wpa_s
->ap_iface
->bss
)
8186 wpa_s
->ap_iface
->bss
[0]->p2p_group
= NULL
;
8187 wpas_p2p_group_deinit(wpa_s
);