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
51 * Defines time interval in seconds when a GO needs to evacuate a frequency that
52 * it is currently using, but is no longer valid for P2P use cases.
54 #define P2P_GO_FREQ_CHANGE_TIME 5
57 * Defines CSA parameters which are used when GO evacuates the no longer valid
58 * channel (and if the driver supports channel switch).
60 #define P2P_GO_CSA_COUNT 7
61 #define P2P_GO_CSA_BLOCK_TX 0
63 #ifndef P2P_MAX_CLIENT_IDLE
65 * How many seconds to try to reconnect to the GO when connection in P2P client
68 #define P2P_MAX_CLIENT_IDLE 10
69 #endif /* P2P_MAX_CLIENT_IDLE */
71 #ifndef P2P_MAX_INITIAL_CONN_WAIT
73 * How many seconds to wait for initial 4-way handshake to get completed after
74 * WPS provisioning step or after the re-invocation of a persistent group on a
77 #define P2P_MAX_INITIAL_CONN_WAIT 10
78 #endif /* P2P_MAX_INITIAL_CONN_WAIT */
80 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO
82 * How many seconds to wait for initial 4-way handshake to get completed after
83 * WPS provisioning step on the GO. This controls the extra time the P2P
84 * operation is considered to be in progress (e.g., to delay other scans) after
85 * WPS provisioning has been completed on the GO during group formation.
87 #define P2P_MAX_INITIAL_CONN_WAIT_GO 10
88 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO */
90 #ifndef P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
92 * How many seconds to wait for initial 4-way handshake to get completed after
93 * re-invocation of a persistent group on the GO when the client is expected
94 * to connect automatically (no user interaction).
96 #define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15
97 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */
99 #define P2P_MGMT_DEVICE_PREFIX "p2p-dev-"
102 * How many seconds to wait to re-attempt to move GOs, in case previous attempt
105 #define P2P_RECONSIDER_GO_MOVE_DELAY 30
107 enum p2p_group_removal_reason
{
108 P2P_GROUP_REMOVAL_UNKNOWN
,
109 P2P_GROUP_REMOVAL_SILENT
,
110 P2P_GROUP_REMOVAL_FORMATION_FAILED
,
111 P2P_GROUP_REMOVAL_REQUESTED
,
112 P2P_GROUP_REMOVAL_IDLE_TIMEOUT
,
113 P2P_GROUP_REMOVAL_UNAVAILABLE
,
114 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
,
115 P2P_GROUP_REMOVAL_PSK_FAILURE
,
116 P2P_GROUP_REMOVAL_FREQ_CONFLICT
,
117 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL
121 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
);
122 static struct wpa_supplicant
*
123 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
125 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
, int freq
,
126 const u8
*ssid
, size_t ssid_len
);
127 static int wpas_p2p_setup_freqs(struct wpa_supplicant
*wpa_s
, int freq
,
128 int *force_freq
, int *pref_freq
, int go
,
129 unsigned int *pref_freq_list
,
130 unsigned int *num_pref_freq
);
131 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
,
132 const u8
*ssid
, size_t ssid_len
);
133 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
);
134 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
135 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
136 int auto_join
, int freq
,
137 const u8
*ssid
, size_t ssid_len
);
138 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
);
139 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
);
140 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
);
141 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
);
142 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
144 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
);
145 static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
147 static void wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
);
148 static void wpas_stop_listen(void *ctx
);
149 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
);
150 static void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
);
151 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
152 enum wpa_driver_if_type type
);
153 static void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
,
154 int already_deleted
);
155 static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant
*wpa_s
,
156 struct wpa_used_freq_data
*freqs
,
158 static void wpas_p2p_move_go(void *eloop_ctx
, void *timeout_ctx
);
159 static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant
*wpa_s
, int freq
);
161 wpas_p2p_consider_moving_gos(struct wpa_supplicant
*wpa_s
,
162 struct wpa_used_freq_data
*freqs
, unsigned int num
,
163 enum wpas_p2p_channel_update_trig trig
);
164 static void wpas_p2p_reconsider_moving_go(void *eloop_ctx
, void *timeout_ctx
);
168 * Get the number of concurrent channels that the HW can operate, but that are
169 * currently not in use by any of the wpa_supplicant interfaces.
171 static int wpas_p2p_num_unused_channels(struct wpa_supplicant
*wpa_s
)
176 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
, sizeof(int));
180 num
= get_shared_radio_freqs(wpa_s
, freqs
,
181 wpa_s
->num_multichan_concurrent
);
184 unused
= wpa_s
->num_multichan_concurrent
- num
;
185 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: num_unused_channels: %d", unused
);
191 * Get the frequencies that are currently in use by one or more of the virtual
192 * interfaces, and that are also valid for P2P operation.
195 wpas_p2p_valid_oper_freqs(struct wpa_supplicant
*wpa_s
,
196 struct wpa_used_freq_data
*p2p_freqs
,
199 struct wpa_used_freq_data
*freqs
;
200 unsigned int num
, i
, j
;
202 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
203 sizeof(struct wpa_used_freq_data
));
207 num
= get_shared_radio_freqs_data(wpa_s
, freqs
,
208 wpa_s
->num_multichan_concurrent
);
210 os_memset(p2p_freqs
, 0, sizeof(struct wpa_used_freq_data
) * len
);
212 for (i
= 0, j
= 0; i
< num
&& j
< len
; i
++) {
213 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
214 p2p_freqs
[j
++] = freqs
[i
];
219 dump_freq_data(wpa_s
, "valid for P2P", p2p_freqs
, j
);
225 static void wpas_p2p_set_own_freq_preference(struct wpa_supplicant
*wpa_s
,
228 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
231 /* Use the wpa_s used to control the P2P Device operation */
232 wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
234 if (wpa_s
->conf
->p2p_ignore_shared_freq
&&
235 freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
236 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
237 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz due to p2p_ignore_shared_freq=1 configuration",
241 p2p_set_own_freq_preference(wpa_s
->global
->p2p
, freq
);
245 static void wpas_p2p_scan_res_handler(struct wpa_supplicant
*wpa_s
,
246 struct wpa_scan_results
*scan_res
)
250 if (wpa_s
->p2p_scan_work
) {
251 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
252 wpa_s
->p2p_scan_work
= NULL
;
253 radio_work_done(work
);
256 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
259 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS)",
260 (int) scan_res
->num
);
262 for (i
= 0; i
< scan_res
->num
; i
++) {
263 struct wpa_scan_res
*bss
= scan_res
->res
[i
];
264 struct os_reltime time_tmp_age
, entry_ts
;
268 time_tmp_age
.sec
= bss
->age
/ 1000;
269 time_tmp_age
.usec
= (bss
->age
% 1000) * 1000;
270 os_reltime_sub(&scan_res
->fetch_time
, &time_tmp_age
, &entry_ts
);
272 ies
= (const u8
*) (bss
+ 1);
273 ies_len
= bss
->ie_len
;
274 if (bss
->beacon_ie_len
> 0 &&
275 !wpa_scan_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) &&
276 wpa_scan_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) {
277 wpa_printf(MSG_DEBUG
, "P2P: Use P2P IE(s) from Beacon frame since no P2P IE(s) in Probe Response frames received for "
278 MACSTR
, MAC2STR(bss
->bssid
));
280 ies_len
= bss
->beacon_ie_len
;
284 if (p2p_scan_res_handler(wpa_s
->global
->p2p
, bss
->bssid
,
285 bss
->freq
, &entry_ts
, bss
->level
,
290 p2p_scan_res_handled(wpa_s
->global
->p2p
);
294 static void wpas_p2p_trigger_scan_cb(struct wpa_radio_work
*work
, int deinit
)
296 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
297 struct wpa_driver_scan_params
*params
= work
->ctx
;
301 if (!work
->started
) {
302 wpa_scan_free_params(params
);
306 wpa_s
->p2p_scan_work
= NULL
;
310 if (wpa_s
->clear_driver_scan_cache
) {
311 wpa_printf(MSG_DEBUG
,
312 "Request driver to clear scan cache due to local BSS flush");
313 params
->only_new_results
= 1;
315 ret
= wpa_drv_scan(wpa_s
, params
);
317 wpa_s
->curr_scan_cookie
= params
->scan_cookie
;
318 wpa_scan_free_params(params
);
321 radio_work_done(work
);
322 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
326 p2p_notify_scan_trigger_status(wpa_s
->global
->p2p
, ret
);
327 os_get_reltime(&wpa_s
->scan_trigger_time
);
328 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_handler
;
329 wpa_s
->own_scan_requested
= 1;
330 wpa_s
->clear_driver_scan_cache
= 0;
331 wpa_s
->p2p_scan_work
= work
;
335 static int wpas_p2p_search_social_channel(struct wpa_supplicant
*wpa_s
,
338 if (wpa_s
->global
->p2p_24ghz_social_channels
&&
339 (freq
== 2412 || freq
== 2437 || freq
== 2462)) {
341 * Search all social channels regardless of whether these have
342 * been disabled for P2P operating channel use to avoid missing
347 return p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
351 static int wpas_p2p_scan(void *ctx
, enum p2p_scan_type type
, int freq
,
352 unsigned int num_req_dev_types
,
353 const u8
*req_dev_types
, const u8
*dev_id
, u16 pw_id
)
355 struct wpa_supplicant
*wpa_s
= ctx
;
356 struct wpa_driver_scan_params
*params
= NULL
;
357 struct wpabuf
*wps_ie
, *ies
;
358 unsigned int num_channels
= 0;
359 int social_channels_freq
[] = { 2412, 2437, 2462, 60480 };
364 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
367 if (wpa_s
->p2p_scan_work
) {
368 wpa_dbg(wpa_s
, MSG_INFO
, "P2P: Reject scan trigger since one is already pending");
372 params
= os_zalloc(sizeof(*params
));
376 /* P2P Wildcard SSID */
377 params
->num_ssids
= 1;
378 n
= os_malloc(P2P_WILDCARD_SSID_LEN
);
381 os_memcpy(n
, P2P_WILDCARD_SSID
, P2P_WILDCARD_SSID_LEN
);
382 params
->ssids
[0].ssid
= n
;
383 params
->ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
385 wpa_s
->wps
->dev
.p2p
= 1;
386 wps_ie
= wps_build_probe_req_ie(pw_id
, &wpa_s
->wps
->dev
,
387 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
,
388 num_req_dev_types
, req_dev_types
);
393 case P2P_SCAN_SOCIAL
:
394 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 1,
396 if (params
->freqs
== NULL
)
398 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
399 if (wpas_p2p_search_social_channel(
400 wpa_s
, social_channels_freq
[i
]))
401 params
->freqs
[num_channels
++] =
402 social_channels_freq
[i
];
404 params
->freqs
[num_channels
++] = 0;
408 case P2P_SCAN_SPECIFIC
:
409 params
->freqs
= os_calloc(2, sizeof(int));
410 if (params
->freqs
== NULL
)
412 params
->freqs
[0] = freq
;
413 params
->freqs
[1] = 0;
415 case P2P_SCAN_SOCIAL_PLUS_ONE
:
416 params
->freqs
= os_calloc(ARRAY_SIZE(social_channels_freq
) + 2,
418 if (params
->freqs
== NULL
)
420 for (i
= 0; i
< ARRAY_SIZE(social_channels_freq
); i
++) {
421 if (wpas_p2p_search_social_channel(
422 wpa_s
, social_channels_freq
[i
]))
423 params
->freqs
[num_channels
++] =
424 social_channels_freq
[i
];
426 if (p2p_supported_freq(wpa_s
->global
->p2p
, freq
))
427 params
->freqs
[num_channels
++] = freq
;
428 params
->freqs
[num_channels
++] = 0;
432 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
433 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
438 wpabuf_put_buf(ies
, wps_ie
);
441 bands
= wpas_get_bands(wpa_s
, params
->freqs
);
442 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, dev_id
, bands
);
444 params
->p2p_probe
= 1;
445 n
= os_malloc(wpabuf_len(ies
));
450 os_memcpy(n
, wpabuf_head(ies
), wpabuf_len(ies
));
451 params
->extra_ies
= n
;
452 params
->extra_ies_len
= wpabuf_len(ies
);
455 radio_remove_works(wpa_s
, "p2p-scan", 0);
456 if (radio_add_work(wpa_s
, 0, "p2p-scan", 0, wpas_p2p_trigger_scan_cb
,
462 wpa_scan_free_params(params
);
467 static enum wpa_driver_if_type
wpas_p2p_if_type(int p2p_group_interface
)
469 switch (p2p_group_interface
) {
470 case P2P_GROUP_INTERFACE_PENDING
:
471 return WPA_IF_P2P_GROUP
;
472 case P2P_GROUP_INTERFACE_GO
:
473 return WPA_IF_P2P_GO
;
474 case P2P_GROUP_INTERFACE_CLIENT
:
475 return WPA_IF_P2P_CLIENT
;
478 return WPA_IF_P2P_GROUP
;
482 static struct wpa_supplicant
* wpas_get_p2p_group(struct wpa_supplicant
*wpa_s
,
484 size_t ssid_len
, int *go
)
488 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
489 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
490 if (s
->disabled
!= 0 || !s
->p2p_group
||
491 s
->ssid_len
!= ssid_len
||
492 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
494 if (s
->mode
== WPAS_MODE_P2P_GO
&&
495 s
!= wpa_s
->current_ssid
)
498 *go
= s
->mode
== WPAS_MODE_P2P_GO
;
507 static void run_wpas_p2p_disconnect(void *eloop_ctx
, void *timeout_ctx
)
509 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
510 wpa_printf(MSG_DEBUG
,
511 "P2P: Complete previously requested removal of %s",
513 wpas_p2p_disconnect(wpa_s
);
517 static int wpas_p2p_disconnect_safely(struct wpa_supplicant
*wpa_s
,
518 struct wpa_supplicant
*calling_wpa_s
)
520 if (calling_wpa_s
== wpa_s
&& wpa_s
&&
521 wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
523 * The calling wpa_s instance is going to be removed. Do that
524 * from an eloop callback to keep the instance available until
525 * the caller has returned. This my be needed, e.g., to provide
526 * control interface responses on the per-interface socket.
528 if (eloop_register_timeout(0, 0, run_wpas_p2p_disconnect
,
534 return wpas_p2p_disconnect(wpa_s
);
538 /* Determine total number of clients in active groups where we are the GO */
539 static unsigned int p2p_group_go_member_count(struct wpa_supplicant
*wpa_s
)
541 unsigned int count
= 0;
544 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
545 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
546 wpa_printf(MSG_DEBUG
,
547 "P2P: sup:%p ssid:%p disabled:%d p2p:%d mode:%d",
548 wpa_s
, s
, s
->disabled
, s
->p2p_group
,
550 if (!s
->disabled
&& s
->p2p_group
&&
551 s
->mode
== WPAS_MODE_P2P_GO
) {
552 count
+= p2p_get_group_num_members(
562 static unsigned int p2p_is_active_persistent_group(struct wpa_supplicant
*wpa_s
)
564 return !wpa_s
->p2p_mgmt
&& wpa_s
->current_ssid
&&
565 !wpa_s
->current_ssid
->disabled
&&
566 wpa_s
->current_ssid
->p2p_group
&&
567 wpa_s
->current_ssid
->p2p_persistent_group
;
571 static unsigned int p2p_is_active_persistent_go(struct wpa_supplicant
*wpa_s
)
573 return p2p_is_active_persistent_group(wpa_s
) &&
574 wpa_s
->current_ssid
->mode
== WPAS_MODE_P2P_GO
;
578 /* Find an interface for a P2P group where we are the GO */
579 static struct wpa_supplicant
*
580 wpas_p2p_get_go_group(struct wpa_supplicant
*wpa_s
)
582 struct wpa_supplicant
*save
= NULL
;
587 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
588 if (!p2p_is_active_persistent_go(wpa_s
))
591 /* Prefer a group with connected clients */
592 if (p2p_get_group_num_members(wpa_s
->p2p_group
))
597 /* No group with connected clients, so pick the one without (if any) */
602 static unsigned int p2p_is_active_persistent_cli(struct wpa_supplicant
*wpa_s
)
604 return p2p_is_active_persistent_group(wpa_s
) &&
605 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
;
609 /* Find an interface for a P2P group where we are the P2P Client */
610 static struct wpa_supplicant
*
611 wpas_p2p_get_cli_group(struct wpa_supplicant
*wpa_s
)
613 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
614 if (p2p_is_active_persistent_cli(wpa_s
))
622 /* Find a persistent group where we are the GO */
623 static struct wpa_ssid
*
624 wpas_p2p_get_persistent_go(struct wpa_supplicant
*wpa_s
)
628 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
629 if (s
->disabled
== 2 && s
->mode
== WPAS_MODE_P2P_GO
)
637 static u8
p2ps_group_capability(void *ctx
, u8 incoming
, u8 role
,
638 unsigned int *force_freq
,
639 unsigned int *pref_freq
)
641 struct wpa_supplicant
*wpa_s
= ctx
;
643 u8 conncap
= P2PS_SETUP_NONE
;
644 unsigned int owned_members
= 0;
645 struct wpa_supplicant
*go_wpa_s
, *cli_wpa_s
;
646 struct wpa_ssid
*persistent_go
;
647 int p2p_no_group_iface
;
648 unsigned int pref_freq_list
[P2P_MAX_PREF_CHANNELS
], size
;
650 wpa_printf(MSG_DEBUG
, "P2P: Conncap - in:%d role:%d", incoming
, role
);
657 size
= P2P_MAX_PREF_CHANNELS
;
658 if (force_freq
&& pref_freq
&&
659 !wpas_p2p_setup_freqs(wpa_s
, 0, (int *) force_freq
,
660 (int *) pref_freq
, 0, pref_freq_list
, &size
))
661 wpas_p2p_set_own_freq_preference(wpa_s
,
662 *force_freq
? *force_freq
:
666 * For non-concurrent capable devices:
667 * If persistent_go, then no new.
668 * If GO, then no client.
669 * If client, then no GO.
671 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
673 owned_members
= p2p_get_group_num_members(go_wpa_s
->p2p_group
);
674 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
675 p2p_no_group_iface
= !wpas_p2p_create_iface(wpa_s
);
676 cli_wpa_s
= wpas_p2p_get_cli_group(wpa_s
);
678 wpa_printf(MSG_DEBUG
,
679 "P2P: GO(iface)=%p members=%u CLI(iface)=%p persistent(ssid)=%p",
680 go_wpa_s
, owned_members
, cli_wpa_s
, persistent_go
);
682 /* If not concurrent, restrict our choices */
683 if (p2p_no_group_iface
) {
684 wpa_printf(MSG_DEBUG
, "P2P: p2p_no_group_iface");
687 return P2PS_SETUP_NONE
;
690 if (role
== P2PS_SETUP_CLIENT
||
691 incoming
== P2PS_SETUP_GROUP_OWNER
||
692 p2p_client_limit_reached(go_wpa_s
->p2p_group
))
693 return P2PS_SETUP_NONE
;
695 return P2PS_SETUP_GROUP_OWNER
;
699 if (role
== P2PS_SETUP_NONE
|| role
== P2PS_SETUP_NEW
) {
701 return P2PS_SETUP_GROUP_OWNER
|
703 if (incoming
== P2PS_SETUP_NEW
) {
706 if (os_get_random(&r
, sizeof(r
)) < 0 ||
708 return P2PS_SETUP_CLIENT
;
709 return P2PS_SETUP_GROUP_OWNER
;
715 /* If a required role has been specified, handle it here */
716 if (role
&& role
!= P2PS_SETUP_NEW
) {
718 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
719 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
721 * Peer has an active GO, so if the role allows it and
722 * we do not have any active roles, become client.
724 if ((role
& P2PS_SETUP_CLIENT
) && !go_wpa_s
&&
726 return P2PS_SETUP_CLIENT
;
730 case P2PS_SETUP_NONE
:
735 case P2PS_SETUP_GROUP_OWNER
:
737 * Must be a complimentary role - cannot be a client to
738 * more than one peer.
740 if (incoming
== role
|| cli_wpa_s
)
741 return P2PS_SETUP_NONE
;
743 return P2PS_SETUP_CLIENT
;
745 case P2PS_SETUP_CLIENT
:
746 /* Must be a complimentary role */
747 if (incoming
!= role
) {
748 conncap
= P2PS_SETUP_GROUP_OWNER
;
754 return P2PS_SETUP_NONE
;
759 * For now, we only will support ownership of one group, and being a
760 * client of one group. Therefore, if we have either an existing GO
761 * group, or an existing client group, we will not do a new GO
762 * negotiation, but rather try to re-use the existing groups.
765 case P2PS_SETUP_NONE
:
768 conncap
= P2PS_SETUP_GROUP_OWNER
;
769 else if (!owned_members
)
770 conncap
= P2PS_SETUP_NEW
;
771 else if (incoming
== P2PS_SETUP_NONE
)
772 conncap
= P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
;
774 conncap
= P2PS_SETUP_CLIENT
;
777 case P2PS_SETUP_CLIENT
:
778 conncap
= P2PS_SETUP_GROUP_OWNER
;
781 case P2PS_SETUP_GROUP_OWNER
:
783 conncap
= P2PS_SETUP_CLIENT
;
786 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_NEW
:
787 case P2PS_SETUP_GROUP_OWNER
| P2PS_SETUP_CLIENT
:
789 conncap
= P2PS_SETUP_GROUP_OWNER
;
793 if (os_get_random(&r
, sizeof(r
)) < 0 ||
795 conncap
= P2PS_SETUP_CLIENT
;
797 conncap
= P2PS_SETUP_GROUP_OWNER
;
802 return P2PS_SETUP_NONE
;
806 if ((conncap
& P2PS_SETUP_GROUP_OWNER
) ||
807 (!incoming
&& (conncap
& P2PS_SETUP_NEW
))) {
808 if (go_wpa_s
&& p2p_client_limit_reached(go_wpa_s
->p2p_group
))
809 conncap
&= ~P2PS_SETUP_GROUP_OWNER
;
811 s
= wpas_p2p_get_persistent_go(wpa_s
);
812 if (!s
&& !go_wpa_s
&& p2p_no_group_iface
) {
813 p2p_set_intended_addr(wpa_s
->global
->p2p
,
815 wpa_s
->parent
->own_addr
:
817 } else if (!s
&& !go_wpa_s
) {
818 if (wpas_p2p_add_group_interface(wpa_s
,
819 WPA_IF_P2P_GROUP
) < 0) {
820 wpa_printf(MSG_ERROR
,
821 "P2P: Failed to allocate a new interface for the group");
822 return P2PS_SETUP_NONE
;
824 wpa_s
->global
->pending_group_iface_for_p2ps
= 1;
825 p2p_set_intended_addr(wpa_s
->global
->p2p
,
826 wpa_s
->pending_interface_addr
);
834 static int wpas_p2p_group_delete(struct wpa_supplicant
*wpa_s
,
835 enum p2p_group_removal_reason removal_reason
)
837 struct wpa_ssid
*ssid
;
841 ssid
= wpa_s
->current_ssid
;
844 * The current SSID was not known, but there may still be a
845 * pending P2P group interface waiting for provisioning or a
846 * P2P group that is trying to reconnect.
848 ssid
= wpa_s
->conf
->ssid
;
850 if (ssid
->p2p_group
&& ssid
->disabled
!= 2)
855 wpa_s
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)
857 wpa_printf(MSG_ERROR
, "P2P: P2P group interface "
862 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
)
864 else if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
||
865 (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
)) {
866 wpa_s
->reassociate
= 0;
867 wpa_s
->disconnected
= 1;
872 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
&& ssid
)
873 wpas_notify_p2p_group_removed(wpa_s
, ssid
, gtype
);
875 if (os_strcmp(gtype
, "client") == 0) {
876 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
877 if (eloop_is_timeout_registered(wpas_p2p_psk_failure_removal
,
879 wpa_printf(MSG_DEBUG
,
880 "P2P: PSK failure removal was scheduled, so use PSK failure as reason for group removal");
881 removal_reason
= P2P_GROUP_REMOVAL_PSK_FAILURE
;
882 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
,
887 if (wpa_s
->cross_connect_in_use
) {
888 wpa_s
->cross_connect_in_use
= 0;
889 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
890 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
891 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
893 switch (removal_reason
) {
894 case P2P_GROUP_REMOVAL_REQUESTED
:
895 reason
= " reason=REQUESTED";
897 case P2P_GROUP_REMOVAL_FORMATION_FAILED
:
898 reason
= " reason=FORMATION_FAILED";
900 case P2P_GROUP_REMOVAL_IDLE_TIMEOUT
:
901 reason
= " reason=IDLE";
903 case P2P_GROUP_REMOVAL_UNAVAILABLE
:
904 reason
= " reason=UNAVAILABLE";
906 case P2P_GROUP_REMOVAL_GO_ENDING_SESSION
:
907 reason
= " reason=GO_ENDING_SESSION";
909 case P2P_GROUP_REMOVAL_PSK_FAILURE
:
910 reason
= " reason=PSK_FAILURE";
912 case P2P_GROUP_REMOVAL_FREQ_CONFLICT
:
913 reason
= " reason=FREQ_CONFLICT";
919 if (removal_reason
!= P2P_GROUP_REMOVAL_SILENT
) {
920 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
921 P2P_EVENT_GROUP_REMOVED
"%s %s%s",
922 wpa_s
->ifname
, gtype
, reason
);
925 if (eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
) > 0)
926 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group freq_conflict timeout");
927 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
928 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
929 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
930 wpa_s
->p2pdev
, NULL
) > 0) {
931 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group formation "
933 wpa_s
->p2p_in_provisioning
= 0;
934 wpas_p2p_group_formation_failed(wpa_s
, 1);
937 wpa_s
->p2p_in_invitation
= 0;
938 eloop_cancel_timeout(wpas_p2p_move_go
, wpa_s
, NULL
);
939 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go
, wpa_s
, NULL
);
942 * Make sure wait for the first client does not remain active after the
943 * group has been removed.
945 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
947 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
) {
948 struct wpa_global
*global
;
950 enum wpa_driver_if_type type
;
951 wpa_printf(MSG_DEBUG
, "P2P: Remove group interface %s",
953 global
= wpa_s
->global
;
954 ifname
= os_strdup(wpa_s
->ifname
);
955 type
= wpas_p2p_if_type(wpa_s
->p2p_group_interface
);
956 eloop_cancel_timeout(run_wpas_p2p_disconnect
, wpa_s
, NULL
);
957 wpa_supplicant_remove_iface(wpa_s
->global
, wpa_s
, 0);
958 wpa_s
= global
->ifaces
;
960 wpa_drv_if_remove(wpa_s
, type
, ifname
);
966 * The primary interface was used for P2P group operations, so
967 * need to reset its p2pdev.
969 wpa_s
->p2pdev
= wpa_s
->parent
;
971 if (!wpa_s
->p2p_go_group_formation_completed
) {
972 wpa_s
->global
->p2p_group_formation
= NULL
;
973 wpa_s
->p2p_in_provisioning
= 0;
976 wpa_s
->show_group_started
= 0;
977 os_free(wpa_s
->go_params
);
978 wpa_s
->go_params
= NULL
;
980 os_free(wpa_s
->p2p_group_common_freqs
);
981 wpa_s
->p2p_group_common_freqs
= NULL
;
982 wpa_s
->p2p_group_common_freqs_num
= 0;
983 wpa_s
->p2p_go_do_acs
= 0;
985 wpa_s
->waiting_presence_resp
= 0;
987 wpa_printf(MSG_DEBUG
, "P2P: Remove temporary group network");
988 if (ssid
&& (ssid
->p2p_group
||
989 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
||
990 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))) {
992 if (ssid
== wpa_s
->current_ssid
) {
993 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
994 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
995 wpa_s
->current_ssid
= NULL
;
998 * Networks objects created during any P2P activities are not
999 * exposed out as they might/will confuse certain non-P2P aware
1000 * applications since these network objects won't behave like
1003 * Likewise, we don't send out network removed signals for such
1006 wpa_config_remove_network(wpa_s
->conf
, id
);
1007 wpa_supplicant_clear_status(wpa_s
);
1008 wpa_supplicant_cancel_sched_scan(wpa_s
);
1010 wpa_printf(MSG_DEBUG
, "P2P: Temporary group network not "
1013 if (wpa_s
->ap_iface
)
1014 wpa_supplicant_ap_deinit(wpa_s
);
1016 wpa_drv_deinit_p2p_cli(wpa_s
);
1018 os_memset(wpa_s
->go_dev_addr
, 0, ETH_ALEN
);
1024 static int wpas_p2p_persistent_group(struct wpa_supplicant
*wpa_s
,
1026 const u8
*ssid
, size_t ssid_len
)
1028 struct wpa_bss
*bss
;
1034 if (wpa_s
->go_params
)
1035 bssid
= wpa_s
->go_params
->peer_interface_addr
;
1037 bssid
= wpa_s
->bssid
;
1039 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
, ssid_len
);
1040 if (bss
== NULL
&& wpa_s
->go_params
&&
1041 !is_zero_ether_addr(wpa_s
->go_params
->peer_device_addr
))
1042 bss
= wpa_bss_get_p2p_dev_addr(
1043 wpa_s
, wpa_s
->go_params
->peer_device_addr
);
1045 u8 iface_addr
[ETH_ALEN
];
1046 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, bssid
,
1048 bss
= wpa_bss_get(wpa_s
, iface_addr
, ssid
, ssid_len
);
1051 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
1052 "group is persistent - BSS " MACSTR
" not found",
1057 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
1059 p2p
= wpa_bss_get_vendor_ie_multi_beacon(bss
,
1060 P2P_IE_VENDOR_TYPE
);
1062 wpa_printf(MSG_DEBUG
, "P2P: Could not figure out whether "
1063 "group is persistent - BSS " MACSTR
1064 " did not include P2P IE", MAC2STR(bssid
));
1065 wpa_hexdump(MSG_DEBUG
, "P2P: Probe Response IEs",
1066 (u8
*) (bss
+ 1), bss
->ie_len
);
1067 wpa_hexdump(MSG_DEBUG
, "P2P: Beacon IEs",
1068 ((u8
*) bss
+ 1) + bss
->ie_len
,
1069 bss
->beacon_ie_len
);
1073 group_capab
= p2p_get_group_capab(p2p
);
1074 addr
= p2p_get_go_dev_addr(p2p
);
1075 wpa_printf(MSG_DEBUG
, "P2P: Checking whether group is persistent: "
1076 "group_capab=0x%x", group_capab
);
1078 os_memcpy(go_dev_addr
, addr
, ETH_ALEN
);
1079 wpa_printf(MSG_DEBUG
, "P2P: GO Device Address " MACSTR
,
1082 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1085 wpa_printf(MSG_DEBUG
, "P2P: BSS " MACSTR
" group_capab=0x%x "
1086 "go_dev_addr=" MACSTR
,
1087 MAC2STR(bssid
), group_capab
, MAC2STR(go_dev_addr
));
1089 return !!(group_capab
& P2P_GROUP_CAPAB_PERSISTENT_GROUP
);
1093 static int wpas_p2p_store_persistent_group(struct wpa_supplicant
*wpa_s
,
1094 struct wpa_ssid
*ssid
,
1095 const u8
*go_dev_addr
)
1100 wpa_printf(MSG_DEBUG
, "P2P: Storing credentials for a persistent "
1101 "group (GO Dev Addr " MACSTR
")", MAC2STR(go_dev_addr
));
1102 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
1103 if (s
->disabled
== 2 &&
1104 os_memcmp(go_dev_addr
, s
->bssid
, ETH_ALEN
) == 0 &&
1105 s
->ssid_len
== ssid
->ssid_len
&&
1106 os_memcmp(ssid
->ssid
, s
->ssid
, ssid
->ssid_len
) == 0)
1111 wpa_printf(MSG_DEBUG
, "P2P: Update existing persistent group "
1113 if (ssid
->passphrase
&& !s
->passphrase
)
1115 else if (ssid
->passphrase
&& s
->passphrase
&&
1116 os_strcmp(ssid
->passphrase
, s
->passphrase
) != 0)
1119 wpa_printf(MSG_DEBUG
, "P2P: Create a new persistent group "
1122 s
= wpa_config_add_network(wpa_s
->conf
);
1127 * Instead of network_added we emit persistent_group_added
1128 * notification. Also to keep the defense checks in
1129 * persistent_group obj registration method, we set the
1130 * relevant flags in s to designate it as a persistent group.
1133 s
->p2p_persistent_group
= 1;
1134 wpas_notify_persistent_group_added(wpa_s
, s
);
1135 wpa_config_set_network_defaults(s
);
1139 s
->p2p_persistent_group
= 1;
1142 os_memcpy(s
->bssid
, go_dev_addr
, ETH_ALEN
);
1143 s
->mode
= ssid
->mode
;
1144 s
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1145 s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1146 s
->proto
= WPA_PROTO_RSN
;
1147 s
->pbss
= ssid
->pbss
;
1148 s
->pairwise_cipher
= ssid
->pbss
? WPA_CIPHER_GCMP
: WPA_CIPHER_CCMP
;
1150 if (ssid
->passphrase
) {
1151 os_free(s
->passphrase
);
1152 s
->passphrase
= os_strdup(ssid
->passphrase
);
1154 if (ssid
->psk_set
) {
1156 os_memcpy(s
->psk
, ssid
->psk
, 32);
1158 if (s
->passphrase
&& !s
->psk_set
)
1159 wpa_config_update_psk(s
);
1160 if (s
->ssid
== NULL
|| s
->ssid_len
< ssid
->ssid_len
) {
1162 s
->ssid
= os_malloc(ssid
->ssid_len
);
1165 s
->ssid_len
= ssid
->ssid_len
;
1166 os_memcpy(s
->ssid
, ssid
->ssid
, s
->ssid_len
);
1168 if (ssid
->mode
== WPAS_MODE_P2P_GO
&& wpa_s
->global
->add_psk
) {
1169 dl_list_add(&s
->psk_list
, &wpa_s
->global
->add_psk
->list
);
1170 wpa_s
->global
->add_psk
= NULL
;
1174 if (changed
&& wpa_s
->conf
->update_config
&&
1175 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
1176 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1183 static void wpas_p2p_add_persistent_group_client(struct wpa_supplicant
*wpa_s
,
1186 struct wpa_ssid
*ssid
, *s
;
1190 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
1192 ssid
= wpa_s
->current_ssid
;
1193 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
1194 !ssid
->p2p_persistent_group
)
1197 for (s
= p2p_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
1198 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
1201 if (s
->ssid_len
== ssid
->ssid_len
&&
1202 os_memcmp(s
->ssid
, ssid
->ssid
, s
->ssid_len
) == 0)
1209 for (i
= 0; s
->p2p_client_list
&& i
< s
->num_p2p_clients
; i
++) {
1210 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
, addr
,
1214 if (i
== s
->num_p2p_clients
- 1)
1215 return; /* already the most recent entry */
1217 /* move the entry to mark it most recent */
1218 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
1219 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
1220 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
1221 os_memcpy(s
->p2p_client_list
+
1222 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
, addr
,
1224 os_memset(s
->p2p_client_list
+
1225 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1231 if (!found
&& s
->num_p2p_clients
< P2P_MAX_STORED_CLIENTS
) {
1232 n
= os_realloc_array(s
->p2p_client_list
,
1233 s
->num_p2p_clients
+ 1, 2 * ETH_ALEN
);
1236 os_memcpy(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
, addr
,
1238 os_memset(n
+ s
->num_p2p_clients
* 2 * ETH_ALEN
+ ETH_ALEN
,
1240 s
->p2p_client_list
= n
;
1241 s
->num_p2p_clients
++;
1242 } else if (!found
&& s
->p2p_client_list
) {
1243 /* Not enough room for an additional entry - drop the oldest
1245 os_memmove(s
->p2p_client_list
,
1246 s
->p2p_client_list
+ 2 * ETH_ALEN
,
1247 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
);
1248 os_memcpy(s
->p2p_client_list
+
1249 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
,
1251 os_memset(s
->p2p_client_list
+
1252 (s
->num_p2p_clients
- 1) * 2 * ETH_ALEN
+ ETH_ALEN
,
1256 if (p2p_wpa_s
->conf
->update_config
&&
1257 wpa_config_write(p2p_wpa_s
->confname
, p2p_wpa_s
->conf
))
1258 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1262 static void wpas_p2p_group_started(struct wpa_supplicant
*wpa_s
,
1263 int go
, struct wpa_ssid
*ssid
, int freq
,
1264 const u8
*psk
, const char *passphrase
,
1265 const u8
*go_dev_addr
, int persistent
,
1268 const char *ssid_txt
;
1272 wpa_snprintf_hex(psk_txt
, sizeof(psk_txt
), psk
, 32);
1277 ssid_txt
= wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
);
1281 if (passphrase
&& passphrase
[0] == '\0')
1285 * Include PSK/passphrase only in the control interface message and
1286 * leave it out from the debug log entry.
1288 wpa_msg_global_ctrl(wpa_s
->p2pdev
, MSG_INFO
,
1289 P2P_EVENT_GROUP_STARTED
1290 "%s %s ssid=\"%s\" freq=%d%s%s%s%s%s go_dev_addr="
1292 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1293 psk
? " psk=" : "", psk_txt
,
1294 passphrase
? " passphrase=\"" : "",
1295 passphrase
? passphrase
: "",
1296 passphrase
? "\"" : "",
1297 MAC2STR(go_dev_addr
),
1298 persistent
? " [PERSISTENT]" : "", extra
);
1299 wpa_printf(MSG_INFO
, P2P_EVENT_GROUP_STARTED
1300 "%s %s ssid=\"%s\" freq=%d go_dev_addr=" MACSTR
"%s%s",
1301 wpa_s
->ifname
, go
? "GO" : "client", ssid_txt
, freq
,
1302 MAC2STR(go_dev_addr
), persistent
? " [PERSISTENT]" : "",
1307 static void wpas_group_formation_completed(struct wpa_supplicant
*wpa_s
,
1308 int success
, int already_deleted
)
1310 struct wpa_ssid
*ssid
;
1313 u8 go_dev_addr
[ETH_ALEN
];
1316 * This callback is likely called for the main interface. Update wpa_s
1317 * to use the group interface if a new interface was created for the
1320 if (wpa_s
->global
->p2p_group_formation
)
1321 wpa_s
= wpa_s
->global
->p2p_group_formation
;
1322 if (wpa_s
->p2p_go_group_formation_completed
) {
1323 wpa_s
->global
->p2p_group_formation
= NULL
;
1324 wpa_s
->p2p_in_provisioning
= 0;
1325 } else if (wpa_s
->p2p_in_provisioning
&& !success
) {
1326 wpa_msg(wpa_s
, MSG_DEBUG
,
1327 "P2P: Stop provisioning state due to failure");
1328 wpa_s
->p2p_in_provisioning
= 0;
1330 wpa_s
->p2p_in_invitation
= 0;
1331 wpa_s
->group_formation_reported
= 1;
1334 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
1335 P2P_EVENT_GROUP_FORMATION_FAILURE
);
1336 wpas_notify_p2p_group_formation_failure(wpa_s
, "");
1337 if (already_deleted
)
1339 wpas_p2p_group_delete(wpa_s
,
1340 P2P_GROUP_REMOVAL_FORMATION_FAILED
);
1344 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
1345 P2P_EVENT_GROUP_FORMATION_SUCCESS
);
1347 ssid
= wpa_s
->current_ssid
;
1348 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
1349 ssid
->mode
= WPAS_MODE_P2P_GO
;
1350 p2p_group_notif_formation_done(wpa_s
->p2p_group
);
1351 wpa_supplicant_ap_mac_addr_filter(wpa_s
, NULL
);
1356 client
= ssid
->mode
== WPAS_MODE_INFRA
;
1357 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
1358 persistent
= ssid
->p2p_persistent_group
;
1359 os_memcpy(go_dev_addr
, wpa_s
->global
->p2p_dev_addr
,
1362 persistent
= wpas_p2p_persistent_group(wpa_s
,
1367 client
= wpa_s
->p2p_group_interface
==
1368 P2P_GROUP_INTERFACE_CLIENT
;
1369 os_memset(go_dev_addr
, 0, ETH_ALEN
);
1372 wpa_s
->show_group_started
= 0;
1375 * Indicate event only after successfully completed 4-way
1376 * handshake, i.e., when the interface is ready for data
1379 wpa_s
->show_group_started
= 1;
1381 wpas_p2p_group_started(wpa_s
, 1, ssid
,
1382 ssid
? ssid
->frequency
: 0,
1383 ssid
&& ssid
->passphrase
== NULL
&&
1384 ssid
->psk_set
? ssid
->psk
: NULL
,
1385 ssid
? ssid
->passphrase
: NULL
,
1386 go_dev_addr
, persistent
, "");
1387 wpas_p2p_cross_connect_setup(wpa_s
);
1388 wpas_p2p_set_group_idle_timeout(wpa_s
);
1392 wpas_p2p_store_persistent_group(wpa_s
->p2pdev
,
1395 os_free(wpa_s
->global
->add_psk
);
1396 wpa_s
->global
->add_psk
= NULL
;
1400 wpas_notify_p2p_group_started(wpa_s
, ssid
, persistent
, 0, NULL
);
1401 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1406 struct send_action_work
{
1412 unsigned int wait_time
;
1417 static void wpas_p2p_free_send_action_work(struct wpa_supplicant
*wpa_s
)
1419 struct send_action_work
*awork
= wpa_s
->p2p_send_action_work
->ctx
;
1421 wpa_printf(MSG_DEBUG
,
1422 "P2P: Free Action frame radio work @%p (freq=%u dst="
1423 MACSTR
" src=" MACSTR
" bssid=" MACSTR
" wait_time=%u)",
1424 wpa_s
->p2p_send_action_work
, awork
->freq
,
1425 MAC2STR(awork
->dst
), MAC2STR(awork
->src
),
1426 MAC2STR(awork
->bssid
), awork
->wait_time
);
1427 wpa_hexdump(MSG_DEBUG
, "P2P: Freeing pending Action frame",
1428 awork
->buf
, awork
->len
);
1430 wpa_s
->p2p_send_action_work
->ctx
= NULL
;
1431 radio_work_done(wpa_s
->p2p_send_action_work
);
1432 wpa_s
->p2p_send_action_work
= NULL
;
1436 static void wpas_p2p_send_action_work_timeout(void *eloop_ctx
,
1439 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1441 if (!wpa_s
->p2p_send_action_work
)
1444 wpa_printf(MSG_DEBUG
, "P2P: Send Action frame radio work timed out");
1445 wpas_p2p_free_send_action_work(wpa_s
);
1449 static void wpas_p2p_action_tx_clear(struct wpa_supplicant
*wpa_s
)
1451 if (wpa_s
->p2p_send_action_work
) {
1452 struct send_action_work
*awork
;
1454 awork
= wpa_s
->p2p_send_action_work
->ctx
;
1455 wpa_printf(MSG_DEBUG
,
1456 "P2P: Clear Action TX work @%p (wait_time=%u)",
1457 wpa_s
->p2p_send_action_work
, awork
->wait_time
);
1458 if (awork
->wait_time
== 0) {
1459 wpas_p2p_free_send_action_work(wpa_s
);
1462 * In theory, this should not be needed, but number of
1463 * places in the P2P code is still using non-zero wait
1464 * time for the last Action frame in the sequence and
1465 * some of these do not call send_action_done().
1467 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1469 eloop_register_timeout(
1470 0, awork
->wait_time
* 1000,
1471 wpas_p2p_send_action_work_timeout
,
1478 static void wpas_p2p_send_action_tx_status(struct wpa_supplicant
*wpa_s
,
1480 const u8
*dst
, const u8
*src
,
1482 const u8
*data
, size_t data_len
,
1483 enum offchannel_send_action_result
1486 enum p2p_send_action_result res
= P2P_SEND_ACTION_SUCCESS
;
1488 wpas_p2p_action_tx_clear(wpa_s
);
1490 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
)
1494 case OFFCHANNEL_SEND_ACTION_SUCCESS
:
1495 res
= P2P_SEND_ACTION_SUCCESS
;
1497 case OFFCHANNEL_SEND_ACTION_NO_ACK
:
1498 res
= P2P_SEND_ACTION_NO_ACK
;
1500 case OFFCHANNEL_SEND_ACTION_FAILED
:
1501 res
= P2P_SEND_ACTION_FAILED
;
1505 p2p_send_action_cb(wpa_s
->global
->p2p
, freq
, dst
, src
, bssid
, res
);
1507 if (result
!= OFFCHANNEL_SEND_ACTION_SUCCESS
&&
1508 wpa_s
->pending_pd_before_join
&&
1509 (os_memcmp(dst
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
1510 os_memcmp(dst
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0) &&
1511 wpa_s
->p2p_fallback_to_go_neg
) {
1512 wpa_s
->pending_pd_before_join
= 0;
1513 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No ACK for PD Req "
1514 "during p2p_connect-auto");
1515 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
1516 P2P_EVENT_FALLBACK_TO_GO_NEG
1517 "reason=no-ACK-to-PD-Req");
1518 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
1524 static void wpas_send_action_cb(struct wpa_radio_work
*work
, int deinit
)
1526 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
1527 struct send_action_work
*awork
= work
->ctx
;
1530 if (work
->started
) {
1531 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1533 wpa_s
->p2p_send_action_work
= NULL
;
1534 offchannel_send_action_done(wpa_s
);
1540 if (offchannel_send_action(wpa_s
, awork
->freq
, awork
->dst
, awork
->src
,
1541 awork
->bssid
, awork
->buf
, awork
->len
,
1543 wpas_p2p_send_action_tx_status
, 1) < 0) {
1545 radio_work_done(work
);
1548 wpa_s
->p2p_send_action_work
= work
;
1552 static int wpas_send_action_work(struct wpa_supplicant
*wpa_s
,
1553 unsigned int freq
, const u8
*dst
,
1554 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1555 size_t len
, unsigned int wait_time
)
1557 struct send_action_work
*awork
;
1559 if (radio_work_pending(wpa_s
, "p2p-send-action")) {
1560 wpa_printf(MSG_DEBUG
, "P2P: Cannot schedule new p2p-send-action work since one is already pending");
1564 awork
= os_zalloc(sizeof(*awork
) + len
);
1569 os_memcpy(awork
->dst
, dst
, ETH_ALEN
);
1570 os_memcpy(awork
->src
, src
, ETH_ALEN
);
1571 os_memcpy(awork
->bssid
, bssid
, ETH_ALEN
);
1573 awork
->wait_time
= wait_time
;
1574 os_memcpy(awork
->buf
, buf
, len
);
1576 if (radio_add_work(wpa_s
, freq
, "p2p-send-action", 1,
1577 wpas_send_action_cb
, awork
) < 0) {
1586 static int wpas_send_action(void *ctx
, unsigned int freq
, const u8
*dst
,
1587 const u8
*src
, const u8
*bssid
, const u8
*buf
,
1588 size_t len
, unsigned int wait_time
, int *scheduled
)
1590 struct wpa_supplicant
*wpa_s
= ctx
;
1591 int listen_freq
= -1, send_freq
= -1;
1595 if (wpa_s
->p2p_listen_work
)
1596 listen_freq
= wpa_s
->p2p_listen_work
->freq
;
1597 if (wpa_s
->p2p_send_action_work
)
1598 send_freq
= wpa_s
->p2p_send_action_work
->freq
;
1599 if (listen_freq
!= (int) freq
&& send_freq
!= (int) freq
) {
1602 wpa_printf(MSG_DEBUG
, "P2P: Schedule new radio work for Action frame TX (listen_freq=%d send_freq=%d freq=%u)",
1603 listen_freq
, send_freq
, freq
);
1604 res
= wpas_send_action_work(wpa_s
, freq
, dst
, src
, bssid
, buf
,
1606 if (res
== 0 && scheduled
)
1611 wpa_printf(MSG_DEBUG
, "P2P: Use ongoing radio work for Action frame TX");
1612 return offchannel_send_action(wpa_s
, freq
, dst
, src
, bssid
, buf
, len
,
1614 wpas_p2p_send_action_tx_status
, 1);
1618 static void wpas_send_action_done(void *ctx
)
1620 struct wpa_supplicant
*wpa_s
= ctx
;
1622 if (wpa_s
->p2p_send_action_work
) {
1623 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
1625 os_free(wpa_s
->p2p_send_action_work
->ctx
);
1626 radio_work_done(wpa_s
->p2p_send_action_work
);
1627 wpa_s
->p2p_send_action_work
= NULL
;
1630 offchannel_send_action_done(wpa_s
);
1634 static int wpas_copy_go_neg_results(struct wpa_supplicant
*wpa_s
,
1635 struct p2p_go_neg_results
*params
)
1637 if (wpa_s
->go_params
== NULL
) {
1638 wpa_s
->go_params
= os_malloc(sizeof(*params
));
1639 if (wpa_s
->go_params
== NULL
)
1642 os_memcpy(wpa_s
->go_params
, params
, sizeof(*params
));
1647 static void wpas_start_wps_enrollee(struct wpa_supplicant
*wpa_s
,
1648 struct p2p_go_neg_results
*res
)
1650 wpa_s
->group_formation_reported
= 0;
1651 wpa_printf(MSG_DEBUG
, "P2P: Start WPS Enrollee for peer " MACSTR
1652 " dev_addr " MACSTR
" wps_method %d",
1653 MAC2STR(res
->peer_interface_addr
),
1654 MAC2STR(res
->peer_device_addr
), res
->wps_method
);
1655 wpa_hexdump_ascii(MSG_DEBUG
, "P2P: Start WPS Enrollee for SSID",
1656 res
->ssid
, res
->ssid_len
);
1657 wpa_supplicant_ap_deinit(wpa_s
);
1658 wpas_copy_go_neg_results(wpa_s
, res
);
1659 if (res
->wps_method
== WPS_PBC
) {
1660 wpas_wps_start_pbc(wpa_s
, res
->peer_interface_addr
, 1, 0);
1661 #ifdef CONFIG_WPS_NFC
1662 } else if (res
->wps_method
== WPS_NFC
) {
1663 wpas_wps_start_nfc(wpa_s
, res
->peer_device_addr
,
1664 res
->peer_interface_addr
,
1665 wpa_s
->p2pdev
->p2p_oob_dev_pw
,
1666 wpa_s
->p2pdev
->p2p_oob_dev_pw_id
, 1,
1667 wpa_s
->p2pdev
->p2p_oob_dev_pw_id
==
1668 DEV_PW_NFC_CONNECTION_HANDOVER
?
1669 wpa_s
->p2pdev
->p2p_peer_oob_pubkey_hash
:
1672 #endif /* CONFIG_WPS_NFC */
1674 u16 dev_pw_id
= DEV_PW_DEFAULT
;
1675 if (wpa_s
->p2p_wps_method
== WPS_P2PS
)
1676 dev_pw_id
= DEV_PW_P2PS_DEFAULT
;
1677 if (wpa_s
->p2p_wps_method
== WPS_PIN_KEYPAD
)
1678 dev_pw_id
= DEV_PW_REGISTRAR_SPECIFIED
;
1679 wpas_wps_start_pin(wpa_s
, res
->peer_interface_addr
,
1680 wpa_s
->p2p_pin
, 1, dev_pw_id
);
1685 static void wpas_p2p_add_psk_list(struct wpa_supplicant
*wpa_s
,
1686 struct wpa_ssid
*ssid
)
1688 struct wpa_ssid
*persistent
;
1689 struct psk_list_entry
*psk
;
1690 struct hostapd_data
*hapd
;
1692 if (!wpa_s
->ap_iface
)
1695 persistent
= wpas_p2p_get_persistent(wpa_s
->p2pdev
, NULL
, ssid
->ssid
,
1697 if (persistent
== NULL
)
1700 hapd
= wpa_s
->ap_iface
->bss
[0];
1702 dl_list_for_each(psk
, &persistent
->psk_list
, struct psk_list_entry
,
1704 struct hostapd_wpa_psk
*hpsk
;
1706 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add persistent group PSK entry for "
1708 MAC2STR(psk
->addr
), psk
->p2p
);
1709 hpsk
= os_zalloc(sizeof(*hpsk
));
1712 os_memcpy(hpsk
->psk
, psk
->psk
, PMK_LEN
);
1714 os_memcpy(hpsk
->p2p_dev_addr
, psk
->addr
, ETH_ALEN
);
1716 os_memcpy(hpsk
->addr
, psk
->addr
, ETH_ALEN
);
1717 hpsk
->next
= hapd
->conf
->ssid
.wpa_psk
;
1718 hapd
->conf
->ssid
.wpa_psk
= hpsk
;
1723 static void p2p_go_dump_common_freqs(struct wpa_supplicant
*wpa_s
)
1725 char buf
[20 + P2P_MAX_CHANNELS
* 6];
1731 end
= pos
+ sizeof(buf
);
1732 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++) {
1733 res
= os_snprintf(pos
, end
- pos
, " %d",
1734 wpa_s
->p2p_group_common_freqs
[i
]);
1735 if (os_snprintf_error(end
- pos
, res
))
1741 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Common group frequencies:%s", buf
);
1745 static void p2p_go_save_group_common_freqs(struct wpa_supplicant
*wpa_s
,
1746 struct p2p_go_neg_results
*params
)
1748 unsigned int i
, len
= int_array_len(wpa_s
->go_params
->freq_list
);
1750 wpa_s
->p2p_group_common_freqs_num
= 0;
1751 os_free(wpa_s
->p2p_group_common_freqs
);
1752 wpa_s
->p2p_group_common_freqs
= os_calloc(len
, sizeof(int));
1753 if (!wpa_s
->p2p_group_common_freqs
)
1756 for (i
= 0; i
< len
; i
++) {
1757 if (!wpa_s
->go_params
->freq_list
[i
])
1759 wpa_s
->p2p_group_common_freqs
[i
] =
1760 wpa_s
->go_params
->freq_list
[i
];
1762 wpa_s
->p2p_group_common_freqs_num
= i
;
1766 static void p2p_config_write(struct wpa_supplicant
*wpa_s
)
1768 #ifndef CONFIG_NO_CONFIG_WRITE
1769 if (wpa_s
->p2pdev
->conf
->update_config
&&
1770 wpa_config_write(wpa_s
->p2pdev
->confname
, wpa_s
->p2pdev
->conf
))
1771 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
1772 #endif /* CONFIG_NO_CONFIG_WRITE */
1776 static void p2p_go_configured(void *ctx
, void *data
)
1778 struct wpa_supplicant
*wpa_s
= ctx
;
1779 struct p2p_go_neg_results
*params
= data
;
1780 struct wpa_ssid
*ssid
;
1782 wpa_s
->ap_configured_cb
= NULL
;
1783 wpa_s
->ap_configured_cb_ctx
= NULL
;
1784 wpa_s
->ap_configured_cb_data
= NULL
;
1785 if (!wpa_s
->go_params
) {
1786 wpa_printf(MSG_ERROR
,
1787 "P2P: p2p_go_configured() called with wpa_s->go_params == NULL");
1791 p2p_go_save_group_common_freqs(wpa_s
, params
);
1792 p2p_go_dump_common_freqs(wpa_s
);
1794 ssid
= wpa_s
->current_ssid
;
1795 if (ssid
&& ssid
->mode
== WPAS_MODE_P2P_GO
) {
1796 wpa_printf(MSG_DEBUG
, "P2P: Group setup without provisioning");
1797 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
1798 wpa_s
->global
->p2p_group_formation
= NULL
;
1799 wpas_p2p_group_started(wpa_s
, 1, ssid
, ssid
->frequency
,
1800 params
->passphrase
[0] == '\0' ?
1803 wpa_s
->global
->p2p_dev_addr
,
1804 params
->persistent_group
, "");
1805 wpa_s
->group_formation_reported
= 1;
1807 if (wpa_s
->p2pdev
->p2ps_method_config_any
) {
1808 if (is_zero_ether_addr(wpa_s
->p2pdev
->p2ps_join_addr
)) {
1809 wpa_dbg(wpa_s
, MSG_DEBUG
,
1810 "P2PS: Setting default PIN for ANY");
1811 wpa_supplicant_ap_wps_pin(wpa_s
, NULL
,
1812 "12345670", NULL
, 0,
1815 wpa_dbg(wpa_s
, MSG_DEBUG
,
1816 "P2PS: Setting default PIN for " MACSTR
,
1817 MAC2STR(wpa_s
->p2pdev
->p2ps_join_addr
));
1818 wpa_supplicant_ap_wps_pin(
1819 wpa_s
, wpa_s
->p2pdev
->p2ps_join_addr
,
1820 "12345670", NULL
, 0, 0);
1822 wpa_s
->p2pdev
->p2ps_method_config_any
= 0;
1825 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
1826 if (params
->persistent_group
) {
1827 wpas_p2p_store_persistent_group(
1828 wpa_s
->p2pdev
, ssid
,
1829 wpa_s
->global
->p2p_dev_addr
);
1830 wpas_p2p_add_psk_list(wpa_s
, ssid
);
1833 wpas_notify_p2p_group_started(wpa_s
, ssid
,
1834 params
->persistent_group
, 0,
1836 wpas_p2p_cross_connect_setup(wpa_s
);
1837 wpas_p2p_set_group_idle_timeout(wpa_s
);
1839 if (wpa_s
->p2p_first_connection_timeout
) {
1840 wpa_dbg(wpa_s
, MSG_DEBUG
,
1841 "P2P: Start group formation timeout of %d seconds until first data connection on GO",
1842 wpa_s
->p2p_first_connection_timeout
);
1843 wpa_s
->p2p_go_group_formation_completed
= 0;
1844 wpa_s
->global
->p2p_group_formation
= wpa_s
;
1845 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
1846 wpa_s
->p2pdev
, NULL
);
1847 eloop_register_timeout(
1848 wpa_s
->p2p_first_connection_timeout
, 0,
1849 wpas_p2p_group_formation_timeout
,
1850 wpa_s
->p2pdev
, NULL
);
1856 wpa_printf(MSG_DEBUG
, "P2P: Setting up WPS for GO provisioning");
1857 if (wpa_supplicant_ap_mac_addr_filter(wpa_s
,
1858 params
->peer_interface_addr
)) {
1859 wpa_printf(MSG_DEBUG
, "P2P: Failed to setup MAC address "
1863 if (params
->wps_method
== WPS_PBC
) {
1864 wpa_supplicant_ap_wps_pbc(wpa_s
, params
->peer_interface_addr
,
1865 params
->peer_device_addr
);
1866 #ifdef CONFIG_WPS_NFC
1867 } else if (params
->wps_method
== WPS_NFC
) {
1868 if (wpa_s
->p2pdev
->p2p_oob_dev_pw_id
!=
1869 DEV_PW_NFC_CONNECTION_HANDOVER
&&
1870 !wpa_s
->p2pdev
->p2p_oob_dev_pw
) {
1871 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
1874 wpas_ap_wps_add_nfc_pw(
1875 wpa_s
, wpa_s
->p2pdev
->p2p_oob_dev_pw_id
,
1876 wpa_s
->p2pdev
->p2p_oob_dev_pw
,
1877 wpa_s
->p2pdev
->p2p_peer_oob_pk_hash_known
?
1878 wpa_s
->p2pdev
->p2p_peer_oob_pubkey_hash
: NULL
);
1879 #endif /* CONFIG_WPS_NFC */
1880 } else if (wpa_s
->p2p_pin
[0])
1881 wpa_supplicant_ap_wps_pin(wpa_s
, params
->peer_interface_addr
,
1882 wpa_s
->p2p_pin
, NULL
, 0, 0);
1883 os_free(wpa_s
->go_params
);
1884 wpa_s
->go_params
= NULL
;
1888 static void wpas_start_wps_go(struct wpa_supplicant
*wpa_s
,
1889 struct p2p_go_neg_results
*params
,
1890 int group_formation
)
1892 struct wpa_ssid
*ssid
;
1894 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Starting GO");
1895 if (wpas_copy_go_neg_results(wpa_s
, params
) < 0) {
1896 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not copy GO Negotiation "
1901 ssid
= wpa_config_add_network(wpa_s
->conf
);
1903 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not add network for GO");
1907 wpa_s
->show_group_started
= 0;
1908 wpa_s
->p2p_go_group_formation_completed
= 0;
1909 wpa_s
->group_formation_reported
= 0;
1910 os_memset(wpa_s
->go_dev_addr
, 0, ETH_ALEN
);
1912 wpa_config_set_network_defaults(ssid
);
1913 ssid
->temporary
= 1;
1914 ssid
->p2p_group
= 1;
1915 ssid
->p2p_persistent_group
= !!params
->persistent_group
;
1916 ssid
->mode
= group_formation
? WPAS_MODE_P2P_GROUP_FORMATION
:
1918 ssid
->frequency
= params
->freq
;
1919 ssid
->ht40
= params
->ht40
;
1920 ssid
->vht
= params
->vht
;
1921 ssid
->max_oper_chwidth
= params
->max_oper_chwidth
;
1922 ssid
->vht_center_freq2
= params
->vht_center_freq2
;
1923 ssid
->he
= params
->he
;
1924 ssid
->ssid
= os_zalloc(params
->ssid_len
+ 1);
1926 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
1927 ssid
->ssid_len
= params
->ssid_len
;
1929 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
1930 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1931 ssid
->proto
= WPA_PROTO_RSN
;
1932 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1933 ssid
->group_cipher
= WPA_CIPHER_CCMP
;
1934 if (params
->freq
> 56160) {
1936 * Enable GCMP instead of CCMP as pairwise_cipher and
1937 * group_cipher in 60 GHz.
1939 ssid
->pairwise_cipher
= WPA_CIPHER_GCMP
;
1940 ssid
->group_cipher
= WPA_CIPHER_GCMP
;
1941 /* P2P GO in 60 GHz is always a PCP (PBSS) */
1944 if (os_strlen(params
->passphrase
) > 0) {
1945 ssid
->passphrase
= os_strdup(params
->passphrase
);
1946 if (ssid
->passphrase
== NULL
) {
1947 wpa_msg_global(wpa_s
, MSG_ERROR
,
1948 "P2P: Failed to copy passphrase for GO");
1949 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1953 ssid
->passphrase
= NULL
;
1954 ssid
->psk_set
= params
->psk_set
;
1956 os_memcpy(ssid
->psk
, params
->psk
, sizeof(ssid
->psk
));
1957 else if (ssid
->passphrase
)
1958 wpa_config_update_psk(ssid
);
1959 ssid
->ap_max_inactivity
= wpa_s
->p2pdev
->conf
->p2p_go_max_inactivity
;
1961 wpa_s
->ap_configured_cb
= p2p_go_configured
;
1962 wpa_s
->ap_configured_cb_ctx
= wpa_s
;
1963 wpa_s
->ap_configured_cb_data
= wpa_s
->go_params
;
1964 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
1965 wpa_s
->connect_without_scan
= ssid
;
1966 wpa_s
->reassociate
= 1;
1967 wpa_s
->disconnected
= 0;
1968 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Request scan (that will be skipped) to "
1970 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1974 static void wpas_p2p_clone_config(struct wpa_supplicant
*dst
,
1975 const struct wpa_supplicant
*src
)
1977 struct wpa_config
*d
;
1978 const struct wpa_config
*s
;
1985 if (s->n && !d->n) \
1986 d->n = os_strdup(s->n); \
1997 os_memcpy(d
->device_type
, s
->device_type
, WPS_DEV_TYPE_LEN
);
1998 os_memcpy(d
->sec_device_type
, s
->sec_device_type
,
1999 sizeof(d
->sec_device_type
));
2000 d
->num_sec_device_types
= s
->num_sec_device_types
;
2002 d
->p2p_group_idle
= s
->p2p_group_idle
;
2003 d
->p2p_go_freq_change_policy
= s
->p2p_go_freq_change_policy
;
2004 d
->p2p_intra_bss
= s
->p2p_intra_bss
;
2005 d
->persistent_reconnect
= s
->persistent_reconnect
;
2006 d
->max_num_sta
= s
->max_num_sta
;
2007 d
->pbc_in_m1
= s
->pbc_in_m1
;
2008 d
->ignore_old_scan_res
= s
->ignore_old_scan_res
;
2009 d
->beacon_int
= s
->beacon_int
;
2010 d
->dtim_period
= s
->dtim_period
;
2011 d
->p2p_go_ctwindow
= s
->p2p_go_ctwindow
;
2012 d
->disassoc_low_ack
= s
->disassoc_low_ack
;
2013 d
->disable_scan_offload
= s
->disable_scan_offload
;
2014 d
->passive_scan
= s
->passive_scan
;
2016 if (s
->wps_nfc_dh_privkey
&& s
->wps_nfc_dh_pubkey
&&
2017 !d
->wps_nfc_pw_from_config
) {
2018 wpabuf_free(d
->wps_nfc_dh_privkey
);
2019 wpabuf_free(d
->wps_nfc_dh_pubkey
);
2020 d
->wps_nfc_dh_privkey
= wpabuf_dup(s
->wps_nfc_dh_privkey
);
2021 d
->wps_nfc_dh_pubkey
= wpabuf_dup(s
->wps_nfc_dh_pubkey
);
2023 d
->p2p_cli_probe
= s
->p2p_cli_probe
;
2024 d
->go_interworking
= s
->go_interworking
;
2025 d
->go_access_network_type
= s
->go_access_network_type
;
2026 d
->go_internet
= s
->go_internet
;
2027 d
->go_venue_group
= s
->go_venue_group
;
2028 d
->go_venue_type
= s
->go_venue_type
;
2032 static void wpas_p2p_get_group_ifname(struct wpa_supplicant
*wpa_s
,
2033 char *ifname
, size_t len
)
2035 char *ifname_ptr
= wpa_s
->ifname
;
2037 if (os_strncmp(wpa_s
->ifname
, P2P_MGMT_DEVICE_PREFIX
,
2038 os_strlen(P2P_MGMT_DEVICE_PREFIX
)) == 0) {
2039 ifname_ptr
= os_strrchr(wpa_s
->ifname
, '-') + 1;
2042 os_snprintf(ifname
, len
, "p2p-%s-%d", ifname_ptr
, wpa_s
->p2p_group_idx
);
2043 if (os_strlen(ifname
) >= IFNAMSIZ
&&
2044 os_strlen(wpa_s
->ifname
) < IFNAMSIZ
) {
2047 /* Try to avoid going over the IFNAMSIZ length limit */
2048 res
= os_snprintf(ifname
, len
, "p2p-%d", wpa_s
->p2p_group_idx
);
2049 if (os_snprintf_error(len
, res
) && len
)
2050 ifname
[len
- 1] = '\0';
2055 static int wpas_p2p_add_group_interface(struct wpa_supplicant
*wpa_s
,
2056 enum wpa_driver_if_type type
)
2058 char ifname
[120], force_ifname
[120];
2060 if (wpa_s
->pending_interface_name
[0]) {
2061 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual interface exists "
2062 "- skip creation of a new one");
2063 if (is_zero_ether_addr(wpa_s
->pending_interface_addr
)) {
2064 wpa_printf(MSG_DEBUG
, "P2P: Pending virtual address "
2065 "unknown?! ifname='%s'",
2066 wpa_s
->pending_interface_name
);
2072 wpas_p2p_get_group_ifname(wpa_s
, ifname
, sizeof(ifname
));
2073 force_ifname
[0] = '\0';
2075 wpa_printf(MSG_DEBUG
, "P2P: Create a new interface %s for the group",
2077 wpa_s
->p2p_group_idx
++;
2079 wpa_s
->pending_interface_type
= type
;
2080 if (wpa_drv_if_add(wpa_s
, type
, ifname
, NULL
, NULL
, force_ifname
,
2081 wpa_s
->pending_interface_addr
, NULL
) < 0) {
2082 wpa_printf(MSG_ERROR
, "P2P: Failed to create new group "
2087 if (wpa_s
->conf
->p2p_interface_random_mac_addr
) {
2088 random_mac_addr(wpa_s
->pending_interface_addr
);
2089 wpa_printf(MSG_DEBUG
, "P2P: Generate random MAC address " MACSTR
2091 MAC2STR(wpa_s
->pending_interface_addr
));
2094 if (force_ifname
[0]) {
2095 wpa_printf(MSG_DEBUG
, "P2P: Driver forced interface name %s",
2097 os_strlcpy(wpa_s
->pending_interface_name
, force_ifname
,
2098 sizeof(wpa_s
->pending_interface_name
));
2100 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
2101 sizeof(wpa_s
->pending_interface_name
));
2102 wpa_printf(MSG_DEBUG
, "P2P: Created pending virtual interface %s addr "
2103 MACSTR
, wpa_s
->pending_interface_name
,
2104 MAC2STR(wpa_s
->pending_interface_addr
));
2110 static void wpas_p2p_remove_pending_group_interface(
2111 struct wpa_supplicant
*wpa_s
)
2113 if (!wpa_s
->pending_interface_name
[0] ||
2114 is_zero_ether_addr(wpa_s
->pending_interface_addr
))
2115 return; /* No pending virtual interface */
2117 wpa_printf(MSG_DEBUG
, "P2P: Removing pending group interface %s",
2118 wpa_s
->pending_interface_name
);
2119 wpa_drv_if_remove(wpa_s
, wpa_s
->pending_interface_type
,
2120 wpa_s
->pending_interface_name
);
2121 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
2122 wpa_s
->pending_interface_name
[0] = '\0';
2123 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
2127 static struct wpa_supplicant
*
2128 wpas_p2p_init_group_interface(struct wpa_supplicant
*wpa_s
, int go
)
2130 struct wpa_interface iface
;
2131 struct wpa_supplicant
*group_wpa_s
;
2133 if (!wpa_s
->pending_interface_name
[0]) {
2134 wpa_printf(MSG_ERROR
, "P2P: No pending group interface");
2135 if (!wpas_p2p_create_iface(wpa_s
))
2138 * Something has forced us to remove the pending interface; try
2139 * to create a new one and hope for the best that we will get
2140 * the same local address.
2142 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
2143 WPA_IF_P2P_CLIENT
) < 0)
2147 os_memset(&iface
, 0, sizeof(iface
));
2148 iface
.ifname
= wpa_s
->pending_interface_name
;
2149 iface
.driver
= wpa_s
->driver
->name
;
2150 if (wpa_s
->conf
->ctrl_interface
== NULL
&&
2151 wpa_s
->parent
!= wpa_s
&&
2153 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
))
2154 iface
.ctrl_interface
= wpa_s
->parent
->conf
->ctrl_interface
;
2156 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
2157 iface
.driver_param
= wpa_s
->conf
->driver_param
;
2158 group_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
2159 if (group_wpa_s
== NULL
) {
2160 wpa_printf(MSG_ERROR
, "P2P: Failed to create new "
2161 "wpa_supplicant interface");
2164 wpa_s
->pending_interface_name
[0] = '\0';
2165 group_wpa_s
->p2p_group_interface
= go
? P2P_GROUP_INTERFACE_GO
:
2166 P2P_GROUP_INTERFACE_CLIENT
;
2167 wpa_s
->global
->p2p_group_formation
= group_wpa_s
;
2168 wpa_s
->global
->pending_group_iface_for_p2ps
= 0;
2170 wpas_p2p_clone_config(group_wpa_s
, wpa_s
);
2172 if (wpa_s
->conf
->p2p_interface_random_mac_addr
) {
2173 if (wpa_drv_set_mac_addr(group_wpa_s
,
2174 wpa_s
->pending_interface_addr
) < 0) {
2175 wpa_msg(group_wpa_s
, MSG_INFO
,
2176 "Failed to set random MAC address");
2177 wpa_supplicant_remove_iface(wpa_s
->global
, group_wpa_s
,
2182 if (wpa_supplicant_update_mac_addr(group_wpa_s
) < 0) {
2183 wpa_msg(group_wpa_s
, MSG_INFO
,
2184 "Could not update MAC address information");
2185 wpa_supplicant_remove_iface(wpa_s
->global
, group_wpa_s
,
2190 wpa_printf(MSG_DEBUG
, "P2P: Using random MAC address " MACSTR
2192 MAC2STR(wpa_s
->pending_interface_addr
));
2199 static void wpas_p2p_group_formation_timeout(void *eloop_ctx
,
2202 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
2203 wpa_printf(MSG_DEBUG
, "P2P: Group Formation timed out");
2204 wpas_p2p_group_formation_failed(wpa_s
, 0);
2208 static void wpas_p2p_group_formation_failed(struct wpa_supplicant
*wpa_s
,
2209 int already_deleted
)
2211 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2212 wpa_s
->p2pdev
, NULL
);
2213 if (wpa_s
->global
->p2p
)
2214 p2p_group_formation_failed(wpa_s
->global
->p2p
);
2215 wpas_group_formation_completed(wpa_s
, 0, already_deleted
);
2219 static void wpas_p2p_grpform_fail_after_wps(struct wpa_supplicant
*wpa_s
)
2221 wpa_printf(MSG_DEBUG
, "P2P: Reject group formation due to WPS provisioning failure");
2222 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2223 wpa_s
->p2pdev
, NULL
);
2224 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2225 wpa_s
->p2pdev
, NULL
);
2226 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
2230 void wpas_p2p_ap_setup_failed(struct wpa_supplicant
*wpa_s
)
2232 if (wpa_s
->global
->p2p_group_formation
!= wpa_s
)
2234 /* Speed up group formation timeout since this cannot succeed */
2235 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
2236 wpa_s
->p2pdev
, NULL
);
2237 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
2238 wpa_s
->p2pdev
, NULL
);
2242 static void wpas_go_neg_completed(void *ctx
, struct p2p_go_neg_results
*res
)
2244 struct wpa_supplicant
*wpa_s
= ctx
;
2245 struct wpa_supplicant
*group_wpa_s
;
2247 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2248 wpa_drv_cancel_remain_on_channel(wpa_s
);
2249 wpa_s
->off_channel_freq
= 0;
2250 wpa_s
->roc_waiting_drv_freq
= 0;
2254 wpa_msg_global(wpa_s
, MSG_INFO
,
2255 P2P_EVENT_GO_NEG_FAILURE
"status=%d",
2257 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2258 wpas_p2p_remove_pending_group_interface(wpa_s
);
2262 if (!res
->role_go
) {
2263 /* Inform driver of the operating channel of GO. */
2264 wpa_drv_set_prob_oper_freq(wpa_s
, res
->freq
);
2267 if (wpa_s
->p2p_go_ht40
)
2269 if (wpa_s
->p2p_go_vht
)
2271 if (wpa_s
->p2p_go_he
)
2273 res
->max_oper_chwidth
= wpa_s
->p2p_go_max_oper_chwidth
;
2274 res
->vht_center_freq2
= wpa_s
->p2p_go_vht_center_freq2
;
2276 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_SUCCESS
"role=%s "
2277 "freq=%d ht40=%d peer_dev=" MACSTR
" peer_iface=" MACSTR
2279 res
->role_go
? "GO" : "client", res
->freq
, res
->ht40
,
2280 MAC2STR(res
->peer_device_addr
),
2281 MAC2STR(res
->peer_interface_addr
),
2282 p2p_wps_method_text(res
->wps_method
));
2283 wpas_notify_p2p_go_neg_completed(wpa_s
, res
);
2285 if (res
->role_go
&& wpa_s
->p2p_persistent_id
>= 0) {
2286 struct wpa_ssid
*ssid
;
2287 ssid
= wpa_config_get_network(wpa_s
->conf
,
2288 wpa_s
->p2p_persistent_id
);
2289 if (ssid
&& ssid
->disabled
== 2 &&
2290 ssid
->mode
== WPAS_MODE_P2P_GO
&& ssid
->passphrase
) {
2291 size_t len
= os_strlen(ssid
->passphrase
);
2292 wpa_printf(MSG_DEBUG
, "P2P: Override passphrase based "
2293 "on requested persistent group");
2294 os_memcpy(res
->passphrase
, ssid
->passphrase
, len
);
2295 res
->passphrase
[len
] = '\0';
2299 if (wpa_s
->create_p2p_iface
) {
2301 wpas_p2p_init_group_interface(wpa_s
, res
->role_go
);
2302 if (group_wpa_s
== NULL
) {
2303 wpas_p2p_remove_pending_group_interface(wpa_s
);
2304 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
,
2306 wpas_p2p_group_formation_failed(wpa_s
, 1);
2309 os_memset(wpa_s
->pending_interface_addr
, 0, ETH_ALEN
);
2310 wpa_s
->pending_interface_name
[0] = '\0';
2312 group_wpa_s
= wpa_s
->parent
;
2313 wpa_s
->global
->p2p_group_formation
= group_wpa_s
;
2314 if (group_wpa_s
!= wpa_s
)
2315 wpas_p2p_clone_config(group_wpa_s
, wpa_s
);
2318 group_wpa_s
->p2p_in_provisioning
= 1;
2319 group_wpa_s
->p2pdev
= wpa_s
;
2320 if (group_wpa_s
!= wpa_s
) {
2321 os_memcpy(group_wpa_s
->p2p_pin
, wpa_s
->p2p_pin
,
2322 sizeof(group_wpa_s
->p2p_pin
));
2323 group_wpa_s
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
2326 wpas_start_wps_go(group_wpa_s
, res
, 1);
2328 os_get_reltime(&group_wpa_s
->scan_min_time
);
2329 wpas_start_wps_enrollee(group_wpa_s
, res
);
2332 wpa_s
->p2p_long_listen
= 0;
2333 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
2335 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2336 eloop_register_timeout(15 + res
->peer_config_timeout
/ 100,
2337 (res
->peer_config_timeout
% 100) * 10000,
2338 wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
2342 static void wpas_go_neg_req_rx(void *ctx
, const u8
*src
, u16 dev_passwd_id
,
2345 struct wpa_supplicant
*wpa_s
= ctx
;
2346 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_GO_NEG_REQUEST MACSTR
2347 " dev_passwd_id=%u go_intent=%u", MAC2STR(src
),
2348 dev_passwd_id
, go_intent
);
2350 wpas_notify_p2p_go_neg_req(wpa_s
, src
, dev_passwd_id
, go_intent
);
2354 static void wpas_dev_found(void *ctx
, const u8
*addr
,
2355 const struct p2p_peer_info
*info
,
2358 #ifndef CONFIG_NO_STDOUT_DEBUG
2359 struct wpa_supplicant
*wpa_s
= ctx
;
2360 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2361 char *wfd_dev_info_hex
= NULL
;
2363 #ifdef CONFIG_WIFI_DISPLAY
2364 wfd_dev_info_hex
= wifi_display_subelem_hex(info
->wfd_subelems
,
2365 WFD_SUBELEM_DEVICE_INFO
);
2366 #endif /* CONFIG_WIFI_DISPLAY */
2368 if (info
->p2ps_instance
) {
2370 const u8
*buf
= wpabuf_head(info
->p2ps_instance
);
2371 size_t len
= wpabuf_len(info
->p2ps_instance
);
2378 if (len
< 4 + 2 + 1)
2380 id
= WPA_GET_LE32(buf
);
2382 methods
= WPA_GET_BE16(buf
);
2385 if (str_len
> len
- 4 - 2 - 1)
2387 os_memcpy(str
, buf
, str_len
);
2388 str
[str_len
] = '\0';
2390 len
-= str_len
+ sizeof(u32
) + sizeof(u16
) + sizeof(u8
);
2392 wpa_msg_global(wpa_s
, MSG_INFO
,
2393 P2P_EVENT_DEVICE_FOUND MACSTR
2394 " p2p_dev_addr=" MACSTR
2395 " pri_dev_type=%s name='%s'"
2396 " config_methods=0x%x"
2399 " adv_id=%x asp_svc=%s%s",
2401 MAC2STR(info
->p2p_device_addr
),
2402 wps_dev_type_bin2str(
2404 devtype
, sizeof(devtype
)),
2405 info
->device_name
, methods
,
2406 info
->dev_capab
, info
->group_capab
,
2408 info
->vendor_elems
?
2409 " vendor_elems=1" : "");
2414 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_FOUND MACSTR
2415 " p2p_dev_addr=" MACSTR
2416 " pri_dev_type=%s name='%s' config_methods=0x%x "
2417 "dev_capab=0x%x group_capab=0x%x%s%s%s new=%d",
2418 MAC2STR(addr
), MAC2STR(info
->p2p_device_addr
),
2419 wps_dev_type_bin2str(info
->pri_dev_type
, devtype
,
2421 info
->device_name
, info
->config_methods
,
2422 info
->dev_capab
, info
->group_capab
,
2423 wfd_dev_info_hex
? " wfd_dev_info=0x" : "",
2424 wfd_dev_info_hex
? wfd_dev_info_hex
: "",
2425 info
->vendor_elems
? " vendor_elems=1" : "",
2429 os_free(wfd_dev_info_hex
);
2430 #endif /* CONFIG_NO_STDOUT_DEBUG */
2432 wpas_notify_p2p_device_found(ctx
, info
->p2p_device_addr
, new_device
);
2436 static void wpas_dev_lost(void *ctx
, const u8
*dev_addr
)
2438 struct wpa_supplicant
*wpa_s
= ctx
;
2440 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_DEVICE_LOST
2441 "p2p_dev_addr=" MACSTR
, MAC2STR(dev_addr
));
2443 wpas_notify_p2p_device_lost(wpa_s
, dev_addr
);
2447 static void wpas_find_stopped(void *ctx
)
2449 struct wpa_supplicant
*wpa_s
= ctx
;
2451 if (wpa_s
->p2p_scan_work
&& wpas_abort_ongoing_scan(wpa_s
) < 0)
2452 wpa_printf(MSG_DEBUG
, "P2P: Abort ongoing scan failed");
2454 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_FIND_STOPPED
);
2455 wpas_notify_p2p_find_stopped(wpa_s
);
2459 struct wpas_p2p_listen_work
{
2461 unsigned int duration
;
2462 struct wpabuf
*probe_resp_ie
;
2466 static void wpas_p2p_listen_work_free(struct wpas_p2p_listen_work
*lwork
)
2470 wpabuf_free(lwork
->probe_resp_ie
);
2475 static void wpas_p2p_listen_work_done(struct wpa_supplicant
*wpa_s
)
2477 struct wpas_p2p_listen_work
*lwork
;
2479 if (!wpa_s
->p2p_listen_work
)
2482 lwork
= wpa_s
->p2p_listen_work
->ctx
;
2483 wpas_p2p_listen_work_free(lwork
);
2484 radio_work_done(wpa_s
->p2p_listen_work
);
2485 wpa_s
->p2p_listen_work
= NULL
;
2489 static void wpas_start_listen_cb(struct wpa_radio_work
*work
, int deinit
)
2491 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
2492 struct wpas_p2p_listen_work
*lwork
= work
->ctx
;
2493 unsigned int duration
;
2496 if (work
->started
) {
2497 wpa_s
->p2p_listen_work
= NULL
;
2498 wpas_stop_listen(wpa_s
);
2500 wpas_p2p_listen_work_free(lwork
);
2504 wpa_s
->p2p_listen_work
= work
;
2506 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, lwork
->probe_resp_ie
, NULL
);
2508 if (wpa_drv_probe_req_report(wpa_s
, 1) < 0) {
2509 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver to "
2510 "report received Probe Request frames");
2511 wpas_p2p_listen_work_done(wpa_s
);
2515 wpa_s
->pending_listen_freq
= lwork
->freq
;
2516 wpa_s
->pending_listen_duration
= lwork
->duration
;
2518 duration
= lwork
->duration
;
2519 #ifdef CONFIG_TESTING_OPTIONS
2520 if (wpa_s
->extra_roc_dur
) {
2521 wpa_printf(MSG_DEBUG
, "TESTING: Increase ROC duration %u -> %u",
2522 duration
, duration
+ wpa_s
->extra_roc_dur
);
2523 duration
+= wpa_s
->extra_roc_dur
;
2525 #endif /* CONFIG_TESTING_OPTIONS */
2527 if (wpa_drv_remain_on_channel(wpa_s
, lwork
->freq
, duration
) < 0) {
2528 wpa_printf(MSG_DEBUG
, "P2P: Failed to request the driver "
2529 "to remain on channel (%u MHz) for Listen "
2530 "state", lwork
->freq
);
2531 wpas_p2p_listen_work_done(wpa_s
);
2532 wpa_s
->pending_listen_freq
= 0;
2535 wpa_s
->off_channel_freq
= 0;
2536 wpa_s
->roc_waiting_drv_freq
= lwork
->freq
;
2540 static int wpas_start_listen(void *ctx
, unsigned int freq
,
2541 unsigned int duration
,
2542 const struct wpabuf
*probe_resp_ie
)
2544 struct wpa_supplicant
*wpa_s
= ctx
;
2545 struct wpas_p2p_listen_work
*lwork
;
2547 if (wpa_s
->p2p_listen_work
) {
2548 wpa_printf(MSG_DEBUG
, "P2P: Reject start_listen since p2p_listen_work already exists");
2552 lwork
= os_zalloc(sizeof(*lwork
));
2556 lwork
->duration
= duration
;
2557 if (probe_resp_ie
) {
2558 lwork
->probe_resp_ie
= wpabuf_dup(probe_resp_ie
);
2559 if (lwork
->probe_resp_ie
== NULL
) {
2560 wpas_p2p_listen_work_free(lwork
);
2565 if (radio_add_work(wpa_s
, freq
, "p2p-listen", 0, wpas_start_listen_cb
,
2567 wpas_p2p_listen_work_free(lwork
);
2575 static void wpas_stop_listen(void *ctx
)
2577 struct wpa_supplicant
*wpa_s
= ctx
;
2578 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
2579 wpa_drv_cancel_remain_on_channel(wpa_s
);
2580 wpa_s
->off_channel_freq
= 0;
2581 wpa_s
->roc_waiting_drv_freq
= 0;
2583 wpa_drv_set_ap_wps_ie(wpa_s
, NULL
, NULL
, NULL
);
2586 * Don't cancel Probe Request RX reporting for a connected P2P Client
2587 * handling Probe Request frames.
2589 if (!wpa_s
->p2p_cli_probe
)
2590 wpa_drv_probe_req_report(wpa_s
, 0);
2592 wpas_p2p_listen_work_done(wpa_s
);
2596 static int wpas_send_probe_resp(void *ctx
, const struct wpabuf
*buf
,
2599 struct wpa_supplicant
*wpa_s
= ctx
;
2600 return wpa_drv_send_mlme(wpa_s
, wpabuf_head(buf
), wpabuf_len(buf
), 1,
2605 static void wpas_prov_disc_local_display(struct wpa_supplicant
*wpa_s
,
2606 const u8
*peer
, const char *params
,
2607 unsigned int generated_pin
)
2609 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_SHOW_PIN MACSTR
2610 " %08d%s", MAC2STR(peer
), generated_pin
, params
);
2614 static void wpas_prov_disc_local_keypad(struct wpa_supplicant
*wpa_s
,
2615 const u8
*peer
, const char *params
)
2617 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_ENTER_PIN MACSTR
2618 "%s", MAC2STR(peer
), params
);
2622 static void wpas_prov_disc_req(void *ctx
, const u8
*peer
, u16 config_methods
,
2623 const u8
*dev_addr
, const u8
*pri_dev_type
,
2624 const char *dev_name
, u16 supp_config_methods
,
2625 u8 dev_capab
, u8 group_capab
, const u8
*group_id
,
2626 size_t group_id_len
)
2628 struct wpa_supplicant
*wpa_s
= ctx
;
2629 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
2631 u8 empty_dev_type
[8];
2632 unsigned int generated_pin
= 0;
2633 struct wpa_supplicant
*group
= NULL
;
2637 for (group
= wpa_s
->global
->ifaces
; group
; group
= group
->next
)
2639 struct wpa_ssid
*s
= group
->current_ssid
;
2641 s
->mode
== WPAS_MODE_P2P_GO
&&
2642 group_id_len
- ETH_ALEN
== s
->ssid_len
&&
2643 os_memcmp(group_id
+ ETH_ALEN
, s
->ssid
,
2649 if (pri_dev_type
== NULL
) {
2650 os_memset(empty_dev_type
, 0, sizeof(empty_dev_type
));
2651 pri_dev_type
= empty_dev_type
;
2653 res
= os_snprintf(params
, sizeof(params
), " p2p_dev_addr=" MACSTR
2654 " pri_dev_type=%s name='%s' config_methods=0x%x "
2655 "dev_capab=0x%x group_capab=0x%x%s%s",
2657 wps_dev_type_bin2str(pri_dev_type
, devtype
,
2659 dev_name
, supp_config_methods
, dev_capab
, group_capab
,
2660 group
? " group=" : "",
2661 group
? group
->ifname
: "");
2662 if (os_snprintf_error(sizeof(params
), res
))
2663 wpa_printf(MSG_DEBUG
, "P2P: PD Request event truncated");
2664 params
[sizeof(params
) - 1] = '\0';
2666 if (config_methods
& WPS_CONFIG_DISPLAY
) {
2667 if (wps_generate_pin(&generated_pin
) < 0) {
2668 wpa_printf(MSG_DEBUG
, "P2P: Could not generate PIN");
2669 wpas_notify_p2p_provision_discovery(
2670 wpa_s
, peer
, 0 /* response */,
2671 P2P_PROV_DISC_INFO_UNAVAILABLE
, 0, 0);
2674 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2676 } else if (config_methods
& WPS_CONFIG_KEYPAD
)
2677 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2678 else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2679 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_REQ
2680 MACSTR
"%s", MAC2STR(peer
), params
);
2682 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 1 /* request */,
2683 P2P_PROV_DISC_SUCCESS
,
2684 config_methods
, generated_pin
);
2688 static void wpas_prov_disc_resp(void *ctx
, const u8
*peer
, u16 config_methods
)
2690 struct wpa_supplicant
*wpa_s
= ctx
;
2691 unsigned int generated_pin
= 0;
2694 if (wpa_s
->pending_pd_before_join
&&
2695 (os_memcmp(peer
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) == 0 ||
2696 os_memcmp(peer
, wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0)) {
2697 wpa_s
->pending_pd_before_join
= 0;
2698 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2699 "join-existing-group operation");
2700 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2704 if (wpa_s
->pending_pd_use
== AUTO_PD_JOIN
||
2705 wpa_s
->pending_pd_use
== AUTO_PD_GO_NEG
) {
2708 res
= os_snprintf(params
, sizeof(params
), " peer_go=%d",
2709 wpa_s
->pending_pd_use
== AUTO_PD_JOIN
);
2710 if (os_snprintf_error(sizeof(params
), res
))
2711 params
[sizeof(params
) - 1] = '\0';
2715 if (config_methods
& WPS_CONFIG_DISPLAY
)
2716 wpas_prov_disc_local_keypad(wpa_s
, peer
, params
);
2717 else if (config_methods
& WPS_CONFIG_KEYPAD
) {
2718 if (wps_generate_pin(&generated_pin
) < 0) {
2719 wpa_printf(MSG_DEBUG
, "P2P: Could not generate PIN");
2720 wpas_notify_p2p_provision_discovery(
2721 wpa_s
, peer
, 0 /* response */,
2722 P2P_PROV_DISC_INFO_UNAVAILABLE
, 0, 0);
2725 wpas_prov_disc_local_display(wpa_s
, peer
, params
,
2727 } else if (config_methods
& WPS_CONFIG_PUSHBUTTON
)
2728 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_PBC_RESP
2729 MACSTR
"%s", MAC2STR(peer
), params
);
2731 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2732 P2P_PROV_DISC_SUCCESS
,
2733 config_methods
, generated_pin
);
2737 static void wpas_prov_disc_fail(void *ctx
, const u8
*peer
,
2738 enum p2p_prov_disc_status status
,
2739 u32 adv_id
, const u8
*adv_mac
,
2740 const char *deferred_session_resp
)
2742 struct wpa_supplicant
*wpa_s
= ctx
;
2744 if (wpa_s
->p2p_fallback_to_go_neg
) {
2745 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: PD for p2p_connect-auto "
2746 "failed - fall back to GO Negotiation");
2747 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
2748 P2P_EVENT_FALLBACK_TO_GO_NEG
2749 "reason=PD-failed");
2750 wpas_p2p_fallback_to_go_neg(wpa_s
, 0);
2754 if (status
== P2P_PROV_DISC_TIMEOUT_JOIN
) {
2755 wpa_s
->pending_pd_before_join
= 0;
2756 wpa_printf(MSG_DEBUG
, "P2P: Starting pending "
2757 "join-existing-group operation (no ACK for PD "
2759 wpas_p2p_join_start(wpa_s
, 0, NULL
, 0);
2763 if (adv_id
&& adv_mac
&& deferred_session_resp
) {
2764 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2765 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x"
2766 " deferred_session_resp='%s'",
2767 MAC2STR(peer
), status
, adv_id
,
2768 deferred_session_resp
);
2769 } else if (adv_id
&& adv_mac
) {
2770 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2771 " p2p_dev_addr=" MACSTR
" status=%d adv_id=%x",
2772 MAC2STR(peer
), status
, adv_id
);
2774 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_PROV_DISC_FAILURE
2775 " p2p_dev_addr=" MACSTR
" status=%d",
2776 MAC2STR(peer
), status
);
2779 wpas_notify_p2p_provision_discovery(wpa_s
, peer
, 0 /* response */,
2784 static int freq_included(struct wpa_supplicant
*wpa_s
,
2785 const struct p2p_channels
*channels
,
2788 if ((channels
== NULL
|| p2p_channels_includes_freq(channels
, freq
)) &&
2789 wpas_p2p_go_is_peer_freq(wpa_s
, freq
))
2795 static void wpas_p2p_go_update_common_freqs(struct wpa_supplicant
*wpa_s
)
2797 unsigned int num
= P2P_MAX_CHANNELS
;
2801 p2p_go_dump_common_freqs(wpa_s
);
2802 common_freqs
= os_calloc(num
, sizeof(int));
2806 ret
= p2p_group_get_common_freqs(wpa_s
->p2p_group
, common_freqs
, &num
);
2808 wpa_dbg(wpa_s
, MSG_DEBUG
,
2809 "P2P: Failed to get group common freqs");
2810 os_free(common_freqs
);
2814 os_free(wpa_s
->p2p_group_common_freqs
);
2815 wpa_s
->p2p_group_common_freqs
= common_freqs
;
2816 wpa_s
->p2p_group_common_freqs_num
= num
;
2817 p2p_go_dump_common_freqs(wpa_s
);
2822 * Check if the given frequency is one of the possible operating frequencies
2823 * set after the completion of the GO Negotiation.
2825 static int wpas_p2p_go_is_peer_freq(struct wpa_supplicant
*wpa_s
, int freq
)
2829 p2p_go_dump_common_freqs(wpa_s
);
2831 /* assume no restrictions */
2832 if (!wpa_s
->p2p_group_common_freqs_num
)
2835 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++) {
2836 if (wpa_s
->p2p_group_common_freqs
[i
] == freq
)
2843 static int wpas_sta_check_ecsa(struct hostapd_data
*hapd
,
2844 struct sta_info
*sta
, void *ctx
)
2846 int *ecsa_support
= ctx
;
2848 *ecsa_support
&= sta
->ecsa_supported
;
2854 /* Check if all the peers support eCSA */
2855 static int wpas_p2p_go_clients_support_ecsa(struct wpa_supplicant
*wpa_s
)
2857 int ecsa_support
= 1;
2859 ap_for_each_sta(wpa_s
->ap_iface
->bss
[0], wpas_sta_check_ecsa
,
2862 return ecsa_support
;
2867 * Pick the best frequency to use from all the currently used frequencies.
2869 static int wpas_p2p_pick_best_used_freq(struct wpa_supplicant
*wpa_s
,
2870 struct wpa_used_freq_data
*freqs
,
2875 /* find a candidate freq that is supported by P2P */
2876 for (c
= 0; c
< num
; c
++)
2877 if (p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[c
].freq
))
2883 /* once we have a candidate, try to find a 'better' one */
2884 for (i
= c
+ 1; i
< num
; i
++) {
2885 if (!p2p_supported_freq(wpa_s
->global
->p2p
, freqs
[i
].freq
))
2889 * 1. Infrastructure station interfaces have higher preference.
2890 * 2. P2P Clients have higher preference.
2893 if (freqs
[i
].flags
& WPA_FREQ_USED_BY_INFRA_STATION
) {
2898 if ((freqs
[i
].flags
& WPA_FREQ_USED_BY_P2P_CLIENT
))
2901 return freqs
[c
].freq
;
2905 static u8
wpas_invitation_process(void *ctx
, const u8
*sa
, const u8
*bssid
,
2906 const u8
*go_dev_addr
, const u8
*ssid
,
2907 size_t ssid_len
, int *go
, u8
*group_bssid
,
2908 int *force_freq
, int persistent_group
,
2909 const struct p2p_channels
*channels
,
2912 struct wpa_supplicant
*wpa_s
= ctx
;
2914 struct wpa_used_freq_data
*freqs
;
2915 struct wpa_supplicant
*grp
;
2918 if (!persistent_group
) {
2919 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2920 " to join an active group (SSID: %s)",
2921 MAC2STR(sa
), wpa_ssid_txt(ssid
, ssid_len
));
2922 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2923 (os_memcmp(go_dev_addr
, wpa_s
->p2p_auth_invite
, ETH_ALEN
)
2925 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0)) {
2926 wpa_printf(MSG_DEBUG
, "P2P: Accept previously "
2927 "authorized invitation");
2931 #ifdef CONFIG_WPS_NFC
2932 if (dev_pw_id
>= 0 && wpa_s
->p2p_nfc_tag_enabled
&&
2933 dev_pw_id
== wpa_s
->p2p_oob_dev_pw_id
) {
2934 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation based on local enabled NFC Tag");
2935 wpa_s
->p2p_wps_method
= WPS_NFC
;
2936 wpa_s
->pending_join_wps_method
= WPS_NFC
;
2937 os_memcpy(wpa_s
->pending_join_dev_addr
,
2938 go_dev_addr
, ETH_ALEN
);
2939 os_memcpy(wpa_s
->pending_join_iface_addr
,
2943 #endif /* CONFIG_WPS_NFC */
2946 * Do not accept the invitation automatically; notify user and
2949 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2952 grp
= wpas_get_p2p_group(wpa_s
, ssid
, ssid_len
, go
);
2954 wpa_printf(MSG_DEBUG
, "P2P: Accept invitation to already "
2955 "running persistent group");
2957 os_memcpy(group_bssid
, grp
->own_addr
, ETH_ALEN
);
2961 if (!is_zero_ether_addr(wpa_s
->p2p_auth_invite
) &&
2962 os_memcmp(sa
, wpa_s
->p2p_auth_invite
, ETH_ALEN
) == 0) {
2963 wpa_printf(MSG_DEBUG
, "P2P: Accept previously initiated "
2964 "invitation to re-invoke a persistent group");
2965 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
2966 } else if (!wpa_s
->conf
->persistent_reconnect
)
2967 return P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
;
2969 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
2970 if (s
->disabled
== 2 &&
2971 os_memcmp(s
->bssid
, go_dev_addr
, ETH_ALEN
) == 0 &&
2972 s
->ssid_len
== ssid_len
&&
2973 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
2978 wpa_printf(MSG_DEBUG
, "P2P: Invitation from " MACSTR
2979 " requested reinvocation of an unknown group",
2981 return P2P_SC_FAIL_UNKNOWN_GROUP
;
2984 if (s
->mode
== WPAS_MODE_P2P_GO
&& !wpas_p2p_create_iface(wpa_s
)) {
2986 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2987 wpa_printf(MSG_DEBUG
, "P2P: The only available "
2988 "interface is already in use - reject "
2990 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
2992 if (wpa_s
->p2p_mgmt
)
2993 os_memcpy(group_bssid
, wpa_s
->parent
->own_addr
,
2996 os_memcpy(group_bssid
, wpa_s
->own_addr
, ETH_ALEN
);
2997 } else if (s
->mode
== WPAS_MODE_P2P_GO
) {
2999 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
) < 0)
3001 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
3002 "interface address for the group");
3003 return P2P_SC_FAIL_UNABLE_TO_ACCOMMODATE
;
3005 os_memcpy(group_bssid
, wpa_s
->pending_interface_addr
,
3010 wpas_p2p_set_own_freq_preference(wpa_s
, 0);
3013 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
3014 sizeof(struct wpa_used_freq_data
));
3016 int num_channels
= wpa_s
->num_multichan_concurrent
;
3017 int num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
, num_channels
);
3018 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
3022 /* Get one of the frequencies currently in use */
3023 if (best_freq
> 0) {
3024 wpa_printf(MSG_DEBUG
, "P2P: Trying to prefer a channel already used by one of the interfaces");
3025 wpas_p2p_set_own_freq_preference(wpa_s
, best_freq
);
3027 if (wpa_s
->num_multichan_concurrent
< 2 ||
3028 wpas_p2p_num_unused_channels(wpa_s
) < 1) {
3029 wpa_printf(MSG_DEBUG
, "P2P: No extra channels available - trying to force channel to match a channel already used by one of the interfaces");
3030 *force_freq
= best_freq
;
3034 if (*force_freq
> 0 && wpa_s
->num_multichan_concurrent
> 1 &&
3035 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
3037 /* We are the client */
3038 wpa_printf(MSG_DEBUG
, "P2P: Peer was found to be "
3039 "running a GO but we are capable of MCC, "
3040 "figure out the best channel to use");
3042 } else if (!freq_included(wpa_s
, channels
, *force_freq
)) {
3043 /* We are the GO, and *force_freq is not in the
3045 wpa_printf(MSG_DEBUG
, "P2P: Forced GO freq %d MHz not "
3046 "in intersection but we are capable of MCC, "
3047 "figure out the best channel to use",
3053 return P2P_SC_SUCCESS
;
3057 static void wpas_invitation_received(void *ctx
, const u8
*sa
, const u8
*bssid
,
3058 const u8
*ssid
, size_t ssid_len
,
3059 const u8
*go_dev_addr
, u8 status
,
3062 struct wpa_supplicant
*wpa_s
= ctx
;
3065 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
3066 if (s
->disabled
== 2 &&
3067 s
->ssid_len
== ssid_len
&&
3068 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
3072 if (status
== P2P_SC_SUCCESS
) {
3073 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
3074 " was accepted; op_freq=%d MHz, SSID=%s",
3075 MAC2STR(sa
), op_freq
, wpa_ssid_txt(ssid
, ssid_len
));
3077 int go
= s
->mode
== WPAS_MODE_P2P_GO
;
3079 wpa_msg_global(wpa_s
, MSG_INFO
,
3080 P2P_EVENT_INVITATION_ACCEPTED
3082 " persistent=%d freq=%d",
3083 MAC2STR(sa
), s
->id
, op_freq
);
3085 wpa_msg_global(wpa_s
, MSG_INFO
,
3086 P2P_EVENT_INVITATION_ACCEPTED
3089 MAC2STR(sa
), s
->id
);
3091 wpas_p2p_group_add_persistent(
3092 wpa_s
, s
, go
, 0, op_freq
, 0, 0, 0, 0, 0, NULL
,
3093 go
? P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0,
3096 wpa_s
->user_initiated_pd
= 0;
3097 wpa_msg_global(wpa_s
, MSG_INFO
,
3098 P2P_EVENT_INVITATION_ACCEPTED
3099 "sa=" MACSTR
" go_dev_addr=" MACSTR
3100 " bssid=" MACSTR
" unknown-network",
3101 MAC2STR(sa
), MAC2STR(go_dev_addr
),
3103 wpas_p2p_join(wpa_s
, bssid
, go_dev_addr
,
3104 wpa_s
->p2p_wps_method
, 0, op_freq
,
3110 if (status
!= P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
3111 wpa_printf(MSG_DEBUG
, "P2P: Invitation from peer " MACSTR
3112 " was rejected (status %u)", MAC2STR(sa
), status
);
3118 wpa_msg_global(wpa_s
, MSG_INFO
,
3119 P2P_EVENT_INVITATION_RECEIVED
3120 "sa=" MACSTR
" go_dev_addr=" MACSTR
3121 " bssid=" MACSTR
" unknown-network",
3122 MAC2STR(sa
), MAC2STR(go_dev_addr
),
3125 wpa_msg_global(wpa_s
, MSG_INFO
,
3126 P2P_EVENT_INVITATION_RECEIVED
3127 "sa=" MACSTR
" go_dev_addr=" MACSTR
3129 MAC2STR(sa
), MAC2STR(go_dev_addr
));
3131 wpas_notify_p2p_invitation_received(wpa_s
, sa
, go_dev_addr
,
3136 if (s
->mode
== WPAS_MODE_P2P_GO
&& op_freq
) {
3137 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
3138 "sa=" MACSTR
" persistent=%d freq=%d",
3139 MAC2STR(sa
), s
->id
, op_freq
);
3141 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RECEIVED
3142 "sa=" MACSTR
" persistent=%d",
3143 MAC2STR(sa
), s
->id
);
3145 wpas_notify_p2p_invitation_received(wpa_s
, sa
, go_dev_addr
, bssid
,
3150 static void wpas_remove_persistent_peer(struct wpa_supplicant
*wpa_s
,
3151 struct wpa_ssid
*ssid
,
3152 const u8
*peer
, int inv
)
3155 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
3160 for (i
= 0; ssid
->p2p_client_list
&& i
< ssid
->num_p2p_clients
; i
++) {
3161 if (os_memcmp(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
, peer
,
3165 if (i
>= ssid
->num_p2p_clients
|| !ssid
->p2p_client_list
) {
3166 if (ssid
->mode
!= WPAS_MODE_P2P_GO
&&
3167 os_memcmp(ssid
->bssid
, peer
, ETH_ALEN
) == 0) {
3168 wpa_printf(MSG_DEBUG
, "P2P: Remove persistent group %d "
3169 "due to invitation result", ssid
->id
);
3170 wpas_notify_network_removed(wpa_s
, ssid
);
3171 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
3174 return; /* Peer not found in client list */
3177 wpa_printf(MSG_DEBUG
, "P2P: Remove peer " MACSTR
" from persistent "
3178 "group %d client list%s",
3179 MAC2STR(peer
), ssid
->id
,
3180 inv
? " due to invitation result" : "");
3181 os_memmove(ssid
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3182 ssid
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
3183 (ssid
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
3184 ssid
->num_p2p_clients
--;
3185 if (p2p_wpa_s
->conf
->update_config
&&
3186 wpa_config_write(p2p_wpa_s
->confname
, p2p_wpa_s
->conf
))
3187 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
3191 static void wpas_remove_persistent_client(struct wpa_supplicant
*wpa_s
,
3194 struct wpa_ssid
*ssid
;
3196 wpa_s
= wpa_s
->global
->p2p_invite_group
;
3198 return; /* No known invitation group */
3199 ssid
= wpa_s
->current_ssid
;
3200 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GO
||
3201 !ssid
->p2p_persistent_group
)
3202 return; /* Not operating as a GO in persistent group */
3203 ssid
= wpas_p2p_get_persistent(wpa_s
->p2pdev
, peer
,
3204 ssid
->ssid
, ssid
->ssid_len
);
3205 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
3209 static void wpas_invitation_result(void *ctx
, int status
, const u8
*bssid
,
3210 const struct p2p_channels
*channels
,
3211 const u8
*peer
, int neg_freq
,
3214 struct wpa_supplicant
*wpa_s
= ctx
;
3215 struct wpa_ssid
*ssid
;
3219 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
3220 "status=%d " MACSTR
,
3221 status
, MAC2STR(bssid
));
3223 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_INVITATION_RESULT
3224 "status=%d ", status
);
3226 wpas_notify_p2p_invitation_result(wpa_s
, status
, bssid
);
3228 wpa_printf(MSG_DEBUG
, "P2P: Invitation result - status=%d peer=" MACSTR
,
3229 status
, MAC2STR(peer
));
3230 if (wpa_s
->pending_invite_ssid_id
== -1) {
3231 struct wpa_supplicant
*group_if
=
3232 wpa_s
->global
->p2p_invite_group
;
3234 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
)
3235 wpas_remove_persistent_client(wpa_s
, peer
);
3238 * Invitation to an active group. If this is successful and we
3239 * are the GO, set the client wait to postpone some concurrent
3240 * operations and to allow provisioning and connection to happen
3243 if (status
== P2P_SC_SUCCESS
&&
3244 group_if
&& group_if
->current_ssid
&&
3245 group_if
->current_ssid
->mode
== WPAS_MODE_P2P_GO
) {
3246 os_get_reltime(&wpa_s
->global
->p2p_go_wait_client
);
3247 #ifdef CONFIG_TESTING_OPTIONS
3248 if (group_if
->p2p_go_csa_on_inv
) {
3249 wpa_printf(MSG_DEBUG
,
3250 "Testing: force P2P GO CSA after invitation");
3251 eloop_cancel_timeout(
3252 wpas_p2p_reconsider_moving_go
,
3254 eloop_register_timeout(
3256 wpas_p2p_reconsider_moving_go
,
3259 #endif /* CONFIG_TESTING_OPTIONS */
3264 if (status
== P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE
) {
3265 wpa_printf(MSG_DEBUG
, "P2P: Waiting for peer to start another "
3266 "invitation exchange to indicate readiness for "
3270 if (status
!= P2P_SC_SUCCESS
) {
3271 if (status
== P2P_SC_FAIL_UNKNOWN_GROUP
) {
3272 ssid
= wpa_config_get_network(
3273 wpa_s
->conf
, wpa_s
->pending_invite_ssid_id
);
3274 wpas_remove_persistent_peer(wpa_s
, ssid
, peer
, 1);
3276 wpas_p2p_remove_pending_group_interface(wpa_s
);
3280 ssid
= wpa_config_get_network(wpa_s
->conf
,
3281 wpa_s
->pending_invite_ssid_id
);
3283 wpa_printf(MSG_ERROR
, "P2P: Could not find persistent group "
3284 "data matching with invitation");
3289 * The peer could have missed our ctrl::ack frame for Invitation
3290 * Response and continue retransmitting the frame. To reduce the
3291 * likelihood of the peer not getting successful TX status for the
3292 * Invitation Response frame, wait a short time here before starting
3293 * the persistent group so that we will remain on the current channel to
3294 * acknowledge any possible retransmission from the peer.
3296 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: 50 ms wait on current channel before "
3297 "starting persistent group");
3300 if (neg_freq
> 0 && ssid
->mode
== WPAS_MODE_P2P_GO
&&
3301 freq_included(wpa_s
, channels
, neg_freq
))
3303 else if (peer_oper_freq
> 0 && ssid
->mode
!= WPAS_MODE_P2P_GO
&&
3304 freq_included(wpa_s
, channels
, peer_oper_freq
))
3305 freq
= peer_oper_freq
;
3309 wpa_printf(MSG_DEBUG
, "P2P: Persistent group invitation success - op_freq=%d MHz SSID=%s",
3310 freq
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
3311 wpas_p2p_group_add_persistent(wpa_s
, ssid
,
3312 ssid
->mode
== WPAS_MODE_P2P_GO
,
3313 wpa_s
->p2p_persistent_go_freq
,
3315 wpa_s
->p2p_go_vht_center_freq2
,
3316 wpa_s
->p2p_go_ht40
, wpa_s
->p2p_go_vht
,
3317 wpa_s
->p2p_go_max_oper_chwidth
,
3320 ssid
->mode
== WPAS_MODE_P2P_GO
?
3321 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
3326 static int wpas_p2p_disallowed_freq(struct wpa_global
*global
,
3329 if (freq_range_list_includes(&global
->p2p_go_avoid_freq
, freq
))
3331 return freq_range_list_includes(&global
->p2p_disallow_freq
, freq
);
3335 static void wpas_p2p_add_chan(struct p2p_reg_class
*reg
, u8 chan
)
3337 reg
->channel
[reg
->channels
] = chan
;
3342 static int wpas_p2p_default_channels(struct wpa_supplicant
*wpa_s
,
3343 struct p2p_channels
*chan
,
3344 struct p2p_channels
*cli_chan
)
3348 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3350 os_memset(cli_chan
, 0, sizeof(*cli_chan
));
3352 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for 2.4 GHz "
3355 /* Operating class 81 - 2.4 GHz band channels 1..13 */
3356 chan
->reg_class
[cla
].reg_class
= 81;
3357 chan
->reg_class
[cla
].channels
= 0;
3358 for (i
= 0; i
< 11; i
++) {
3359 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 2412 + i
* 5))
3360 wpas_p2p_add_chan(&chan
->reg_class
[cla
], i
+ 1);
3362 if (chan
->reg_class
[cla
].channels
)
3365 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for lower 5 GHz "
3368 /* Operating class 115 - 5 GHz, channels 36-48 */
3369 chan
->reg_class
[cla
].reg_class
= 115;
3370 chan
->reg_class
[cla
].channels
= 0;
3371 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 36 * 5))
3372 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 36);
3373 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 40 * 5))
3374 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 40);
3375 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 44 * 5))
3376 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 44);
3377 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 48 * 5))
3378 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 48);
3379 if (chan
->reg_class
[cla
].channels
)
3382 wpa_printf(MSG_DEBUG
, "P2P: Enable operating classes for higher 5 GHz "
3385 /* Operating class 124 - 5 GHz, channels 149,153,157,161 */
3386 chan
->reg_class
[cla
].reg_class
= 124;
3387 chan
->reg_class
[cla
].channels
= 0;
3388 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 149 * 5))
3389 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 149);
3390 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 153 * 5))
3391 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 153);
3392 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 156 * 5))
3393 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 157);
3394 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, 5000 + 161 * 5))
3395 wpas_p2p_add_chan(&chan
->reg_class
[cla
], 161);
3396 if (chan
->reg_class
[cla
].channels
)
3399 chan
->reg_classes
= cla
;
3404 static int has_channel(struct wpa_global
*global
,
3405 struct hostapd_hw_modes
*mode
, u8 chan
, int *flags
)
3410 freq
= (mode
->mode
== HOSTAPD_MODE_IEEE80211A
? 5000 : 2407) +
3412 if (wpas_p2p_disallowed_freq(global
, freq
))
3415 for (i
= 0; i
< mode
->num_channels
; i
++) {
3416 if (mode
->channels
[i
].chan
== chan
) {
3418 *flags
= mode
->channels
[i
].flag
;
3419 if (mode
->channels
[i
].flag
&
3420 (HOSTAPD_CHAN_DISABLED
|
3421 HOSTAPD_CHAN_RADAR
))
3423 if (mode
->channels
[i
].flag
& HOSTAPD_CHAN_NO_IR
)
3433 static int wpas_p2p_get_center_80mhz(struct wpa_supplicant
*wpa_s
,
3434 struct hostapd_hw_modes
*mode
,
3437 u8 center_channels
[] = { 42, 58, 106, 122, 138, 155 };
3440 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
3443 for (i
= 0; i
< ARRAY_SIZE(center_channels
); i
++)
3445 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
3446 * so the center channel is 6 channels away from the start/end.
3448 if (channel
>= center_channels
[i
] - 6 &&
3449 channel
<= center_channels
[i
] + 6)
3450 return center_channels
[i
];
3456 static enum chan_allowed
wpas_p2p_verify_80mhz(struct wpa_supplicant
*wpa_s
,
3457 struct hostapd_hw_modes
*mode
,
3462 enum chan_allowed res
, ret
= ALLOWED
;
3464 center_chan
= wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3467 if (center_chan
>= 58 && center_chan
<= 138)
3468 return NOT_ALLOWED
; /* Do not allow DFS channels for P2P */
3470 /* check all the channels are available */
3471 for (i
= 0; i
< 4; i
++) {
3472 int adj_chan
= center_chan
- 6 + i
* 4;
3474 res
= has_channel(wpa_s
->global
, mode
, adj_chan
, &flags
);
3475 if (res
== NOT_ALLOWED
)
3480 if (i
== 0 && !(flags
& HOSTAPD_CHAN_VHT_10_70
))
3482 if (i
== 1 && !(flags
& HOSTAPD_CHAN_VHT_30_50
))
3484 if (i
== 2 && !(flags
& HOSTAPD_CHAN_VHT_50_30
))
3486 if (i
== 3 && !(flags
& HOSTAPD_CHAN_VHT_70_10
))
3494 static int wpas_p2p_get_center_160mhz(struct wpa_supplicant
*wpa_s
,
3495 struct hostapd_hw_modes
*mode
,
3498 u8 center_channels
[] = { 50, 114 };
3501 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
3504 for (i
= 0; i
< ARRAY_SIZE(center_channels
); i
++)
3506 * In 160 MHz, the bandwidth "spans" 28 channels (e.g., 36-64),
3507 * so the center channel is 14 channels away from the start/end.
3509 if (channel
>= center_channels
[i
] - 14 &&
3510 channel
<= center_channels
[i
] + 14)
3511 return center_channels
[i
];
3517 static enum chan_allowed
wpas_p2p_verify_160mhz(struct wpa_supplicant
*wpa_s
,
3518 struct hostapd_hw_modes
*mode
,
3523 enum chan_allowed res
, ret
= ALLOWED
;
3525 center_chan
= wpas_p2p_get_center_160mhz(wpa_s
, mode
, channel
);
3528 /* VHT 160 MHz uses DFS channels in most countries. */
3530 /* Check all the channels are available */
3531 for (i
= 0; i
< 8; i
++) {
3532 int adj_chan
= center_chan
- 14 + i
* 4;
3534 res
= has_channel(wpa_s
->global
, mode
, adj_chan
, &flags
);
3535 if (res
== NOT_ALLOWED
)
3541 if (i
== 0 && !(flags
& HOSTAPD_CHAN_VHT_10_150
))
3543 if (i
== 1 && !(flags
& HOSTAPD_CHAN_VHT_30_130
))
3545 if (i
== 2 && !(flags
& HOSTAPD_CHAN_VHT_50_110
))
3547 if (i
== 3 && !(flags
& HOSTAPD_CHAN_VHT_70_90
))
3549 if (i
== 4 && !(flags
& HOSTAPD_CHAN_VHT_90_70
))
3551 if (i
== 5 && !(flags
& HOSTAPD_CHAN_VHT_110_50
))
3553 if (i
== 6 && !(flags
& HOSTAPD_CHAN_VHT_130_30
))
3555 if (i
== 7 && !(flags
& HOSTAPD_CHAN_VHT_150_10
))
3563 static enum chan_allowed
wpas_p2p_verify_channel(struct wpa_supplicant
*wpa_s
,
3564 struct hostapd_hw_modes
*mode
,
3568 enum chan_allowed res
, res2
;
3570 res2
= res
= has_channel(wpa_s
->global
, mode
, channel
, &flag
);
3571 if (bw
== BW40MINUS
) {
3572 if (!(flag
& HOSTAPD_CHAN_HT40MINUS
))
3574 res2
= has_channel(wpa_s
->global
, mode
, channel
- 4, NULL
);
3575 } else if (bw
== BW40PLUS
) {
3576 if (!(flag
& HOSTAPD_CHAN_HT40PLUS
))
3578 res2
= has_channel(wpa_s
->global
, mode
, channel
+ 4, NULL
);
3579 } else if (bw
== BW80
) {
3580 res2
= wpas_p2p_verify_80mhz(wpa_s
, mode
, channel
, bw
);
3581 } else if (bw
== BW160
) {
3582 res2
= wpas_p2p_verify_160mhz(wpa_s
, mode
, channel
, bw
);
3585 if (res
== NOT_ALLOWED
|| res2
== NOT_ALLOWED
)
3587 if (res
== NO_IR
|| res2
== NO_IR
)
3593 static int wpas_p2p_setup_channels(struct wpa_supplicant
*wpa_s
,
3594 struct p2p_channels
*chan
,
3595 struct p2p_channels
*cli_chan
)
3597 struct hostapd_hw_modes
*mode
;
3598 int cla
, op
, cli_cla
;
3600 if (wpa_s
->hw
.modes
== NULL
) {
3601 wpa_printf(MSG_DEBUG
, "P2P: Driver did not support fetching "
3602 "of all supported channels; assume dualband "
3604 return wpas_p2p_default_channels(wpa_s
, chan
, cli_chan
);
3609 for (op
= 0; global_op_class
[op
].op_class
; op
++) {
3610 const struct oper_class_map
*o
= &global_op_class
[op
];
3612 struct p2p_reg_class
*reg
= NULL
, *cli_reg
= NULL
;
3614 if (o
->p2p
== NO_P2P_SUPP
)
3617 mode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
, o
->mode
);
3620 if (mode
->mode
== HOSTAPD_MODE_IEEE80211G
)
3621 wpa_s
->global
->p2p_24ghz_social_channels
= 1;
3622 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3623 enum chan_allowed res
;
3624 res
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3625 if (res
== ALLOWED
) {
3627 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u",
3629 reg
= &chan
->reg_class
[cla
];
3631 reg
->reg_class
= o
->op_class
;
3633 reg
->channel
[reg
->channels
] = ch
;
3635 } else if (res
== NO_IR
&&
3636 wpa_s
->conf
->p2p_add_cli_chan
) {
3637 if (cli_reg
== NULL
) {
3638 wpa_printf(MSG_DEBUG
, "P2P: Add operating class %u (client only)",
3640 cli_reg
= &cli_chan
->reg_class
[cli_cla
];
3642 cli_reg
->reg_class
= o
->op_class
;
3644 cli_reg
->channel
[cli_reg
->channels
] = ch
;
3645 cli_reg
->channels
++;
3649 wpa_hexdump(MSG_DEBUG
, "P2P: Channels",
3650 reg
->channel
, reg
->channels
);
3653 wpa_hexdump(MSG_DEBUG
, "P2P: Channels (client only)",
3654 cli_reg
->channel
, cli_reg
->channels
);
3658 chan
->reg_classes
= cla
;
3659 cli_chan
->reg_classes
= cli_cla
;
3665 int wpas_p2p_get_ht40_mode(struct wpa_supplicant
*wpa_s
,
3666 struct hostapd_hw_modes
*mode
, u8 channel
)
3669 enum chan_allowed ret
;
3671 for (op
= 0; global_op_class
[op
].op_class
; op
++) {
3672 const struct oper_class_map
*o
= &global_op_class
[op
];
3675 if (o
->p2p
== NO_P2P_SUPP
)
3678 for (ch
= o
->min_chan
; ch
<= o
->max_chan
; ch
+= o
->inc
) {
3679 if (o
->mode
!= HOSTAPD_MODE_IEEE80211A
||
3680 (o
->bw
!= BW40PLUS
&& o
->bw
!= BW40MINUS
) ||
3683 ret
= wpas_p2p_verify_channel(wpa_s
, mode
, ch
, o
->bw
);
3685 return (o
->bw
== BW40MINUS
) ? -1 : 1;
3692 int wpas_p2p_get_vht80_center(struct wpa_supplicant
*wpa_s
,
3693 struct hostapd_hw_modes
*mode
, u8 channel
)
3695 if (!wpas_p2p_verify_channel(wpa_s
, mode
, channel
, BW80
))
3698 return wpas_p2p_get_center_80mhz(wpa_s
, mode
, channel
);
3702 int wpas_p2p_get_vht160_center(struct wpa_supplicant
*wpa_s
,
3703 struct hostapd_hw_modes
*mode
, u8 channel
)
3705 if (!wpas_p2p_verify_channel(wpa_s
, mode
, channel
, BW160
))
3707 return wpas_p2p_get_center_160mhz(wpa_s
, mode
, channel
);
3711 static int wpas_get_noa(void *ctx
, const u8
*interface_addr
, u8
*buf
,
3714 struct wpa_supplicant
*wpa_s
= ctx
;
3716 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3717 if (os_memcmp(wpa_s
->own_addr
, interface_addr
, ETH_ALEN
) == 0)
3723 return wpa_drv_get_noa(wpa_s
, buf
, buf_len
);
3727 struct wpa_supplicant
* wpas_get_p2p_go_iface(struct wpa_supplicant
*wpa_s
,
3728 const u8
*ssid
, size_t ssid_len
)
3730 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3731 struct wpa_ssid
*s
= wpa_s
->current_ssid
;
3734 if (s
->mode
!= WPAS_MODE_P2P_GO
&&
3735 s
->mode
!= WPAS_MODE_AP
&&
3736 s
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
3738 if (s
->ssid_len
!= ssid_len
||
3739 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0)
3749 struct wpa_supplicant
* wpas_get_p2p_client_iface(struct wpa_supplicant
*wpa_s
,
3750 const u8
*peer_dev_addr
)
3752 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3753 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3754 if (ssid
&& (ssid
->mode
!= WPAS_MODE_INFRA
|| !ssid
->p2p_group
))
3756 if (os_memcmp(wpa_s
->go_dev_addr
, peer_dev_addr
, ETH_ALEN
) == 0)
3764 static int wpas_go_connected(void *ctx
, const u8
*dev_addr
)
3766 struct wpa_supplicant
*wpa_s
= ctx
;
3768 return wpas_get_p2p_client_iface(wpa_s
, dev_addr
) != NULL
;
3772 static int wpas_is_concurrent_session_active(void *ctx
)
3774 struct wpa_supplicant
*wpa_s
= ctx
;
3775 struct wpa_supplicant
*ifs
;
3777 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
3780 if (ifs
->wpa_state
> WPA_ASSOCIATED
)
3787 static void wpas_p2p_debug_print(void *ctx
, int level
, const char *msg
)
3789 struct wpa_supplicant
*wpa_s
= ctx
;
3790 wpa_msg_global(wpa_s
, level
, "P2P: %s", msg
);
3794 int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant
*wpa_s
,
3795 const char *conf_p2p_dev
)
3797 struct wpa_interface iface
;
3798 struct wpa_supplicant
*p2pdev_wpa_s
;
3800 char force_name
[100];
3803 ret
= os_snprintf(ifname
, sizeof(ifname
), P2P_MGMT_DEVICE_PREFIX
"%s",
3805 if (os_snprintf_error(sizeof(ifname
), ret
))
3807 force_name
[0] = '\0';
3808 wpa_s
->pending_interface_type
= WPA_IF_P2P_DEVICE
;
3809 ret
= wpa_drv_if_add(wpa_s
, WPA_IF_P2P_DEVICE
, ifname
, NULL
, NULL
,
3810 force_name
, wpa_s
->pending_interface_addr
, NULL
);
3812 wpa_printf(MSG_DEBUG
, "P2P: Failed to create P2P Device interface");
3815 os_strlcpy(wpa_s
->pending_interface_name
, ifname
,
3816 sizeof(wpa_s
->pending_interface_name
));
3818 os_memset(&iface
, 0, sizeof(iface
));
3820 iface
.ifname
= wpa_s
->pending_interface_name
;
3821 iface
.driver
= wpa_s
->driver
->name
;
3822 iface
.driver_param
= wpa_s
->conf
->driver_param
;
3825 * If a P2P Device configuration file was given, use it as the interface
3826 * configuration file (instead of using parent's configuration file.
3829 iface
.confname
= conf_p2p_dev
;
3830 iface
.ctrl_interface
= NULL
;
3832 iface
.confname
= wpa_s
->confname
;
3833 iface
.ctrl_interface
= wpa_s
->conf
->ctrl_interface
;
3836 p2pdev_wpa_s
= wpa_supplicant_add_iface(wpa_s
->global
, &iface
, wpa_s
);
3837 if (!p2pdev_wpa_s
) {
3838 wpa_printf(MSG_DEBUG
, "P2P: Failed to add P2P Device interface");
3842 p2pdev_wpa_s
->p2pdev
= p2pdev_wpa_s
;
3843 wpa_s
->pending_interface_name
[0] = '\0';
3848 static void wpas_presence_resp(void *ctx
, const u8
*src
, u8 status
,
3849 const u8
*noa
, size_t noa_len
)
3851 struct wpa_supplicant
*wpa_s
, *intf
= ctx
;
3854 for (wpa_s
= intf
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3855 if (wpa_s
->waiting_presence_resp
)
3859 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No group interface was waiting for presence response");
3862 wpa_s
->waiting_presence_resp
= 0;
3864 wpa_snprintf_hex(hex
, sizeof(hex
), noa
, noa_len
);
3865 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_PRESENCE_RESPONSE
"src=" MACSTR
3866 " status=%u noa=%s", MAC2STR(src
), status
, hex
);
3870 static int wpas_get_persistent_group(void *ctx
, const u8
*addr
, const u8
*ssid
,
3871 size_t ssid_len
, u8
*go_dev_addr
,
3872 u8
*ret_ssid
, size_t *ret_ssid_len
,
3873 u8
*intended_iface_addr
)
3875 struct wpa_supplicant
*wpa_s
= ctx
;
3878 s
= wpas_p2p_get_persistent(wpa_s
, addr
, ssid
, ssid_len
);
3880 os_memcpy(ret_ssid
, s
->ssid
, s
->ssid_len
);
3881 *ret_ssid_len
= s
->ssid_len
;
3882 os_memcpy(go_dev_addr
, s
->bssid
, ETH_ALEN
);
3884 if (s
->mode
!= WPAS_MODE_P2P_GO
) {
3885 os_memset(intended_iface_addr
, 0, ETH_ALEN
);
3886 } else if (wpas_p2p_create_iface(wpa_s
)) {
3887 if (wpas_p2p_add_group_interface(wpa_s
, WPA_IF_P2P_GO
))
3890 os_memcpy(intended_iface_addr
,
3891 wpa_s
->pending_interface_addr
, ETH_ALEN
);
3893 os_memcpy(intended_iface_addr
, wpa_s
->own_addr
,
3903 static int wpas_get_go_info(void *ctx
, u8
*intended_addr
,
3904 u8
*ssid
, size_t *ssid_len
, int *group_iface
,
3907 struct wpa_supplicant
*wpa_s
= ctx
;
3908 struct wpa_supplicant
*go
;
3912 * group_iface will be set to 1 only if a dedicated interface for P2P
3913 * role is required. First, we try to reuse an active GO. However,
3914 * if it is not present, we will try to reactivate an existing
3915 * persistent group and set group_iface to 1, so the caller will know
3916 * that the pending interface should be used.
3923 go
= wpas_p2p_get_go_group(wpa_s
);
3925 s
= wpas_p2p_get_persistent_go(wpa_s
);
3926 *group_iface
= wpas_p2p_create_iface(wpa_s
);
3928 os_memcpy(intended_addr
, s
->bssid
, ETH_ALEN
);
3932 s
= go
->current_ssid
;
3933 os_memcpy(intended_addr
, go
->own_addr
, ETH_ALEN
);
3935 *freq
= go
->assoc_freq
;
3938 os_memcpy(ssid
, s
->ssid
, s
->ssid_len
);
3939 *ssid_len
= s
->ssid_len
;
3945 static int wpas_remove_stale_groups(void *ctx
, const u8
*peer
, const u8
*go
,
3946 const u8
*ssid
, size_t ssid_len
)
3948 struct wpa_supplicant
*wpa_s
= ctx
;
3950 int save_config
= 0;
3953 /* Start with our first choice of Persistent Groups */
3954 while ((s
= wpas_p2p_get_persistent(wpa_s
, peer
, NULL
, 0))) {
3955 if (go
&& ssid
&& ssid_len
&&
3956 s
->ssid_len
== ssid_len
&&
3957 os_memcmp(go
, s
->bssid
, ETH_ALEN
) == 0 &&
3958 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
3961 /* Remove stale persistent group */
3962 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->num_p2p_clients
<= 1) {
3963 wpa_dbg(wpa_s
, MSG_DEBUG
,
3964 "P2P: Remove stale persistent group id=%d",
3966 wpas_notify_persistent_group_removed(wpa_s
, s
);
3967 wpa_config_remove_network(wpa_s
->conf
, s
->id
);
3972 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
3973 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3974 peer
, ETH_ALEN
) != 0)
3977 os_memmove(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
3978 s
->p2p_client_list
+ (i
+ 1) * 2 * ETH_ALEN
,
3979 (s
->num_p2p_clients
- i
- 1) * 2 * ETH_ALEN
);
3982 s
->num_p2p_clients
--;
3987 p2p_config_write(wpa_s
);
3989 /* Return TRUE if valid SSID remains */
3994 static void wpas_p2ps_get_feat_cap_str(char *buf
, size_t buf_len
,
3995 const u8
*feat_cap
, size_t feat_cap_len
)
3997 static const char pref
[] = " feature_cap=";
4003 * We expect a feature capability to contain at least one byte to be
4004 * reported. The string buffer provided by the caller function is
4005 * expected to be big enough to contain all bytes of the attribute for
4006 * known specifications. This function truncates the reported bytes if
4007 * the feature capability data exceeds the string buffer size.
4009 if (!feat_cap
|| !feat_cap_len
|| buf_len
< sizeof(pref
) + 2)
4012 os_memcpy(buf
, pref
, sizeof(pref
));
4013 ret
= wpa_snprintf_hex(&buf
[sizeof(pref
) - 1],
4014 buf_len
- sizeof(pref
) + 1,
4015 feat_cap
, feat_cap_len
);
4017 if (ret
!= (2 * (int) feat_cap_len
))
4018 wpa_printf(MSG_WARNING
, "P2PS feature_cap bytes truncated");
4022 static void wpas_p2ps_prov_complete(void *ctx
, u8 status
, const u8
*dev
,
4023 const u8
*adv_mac
, const u8
*ses_mac
,
4024 const u8
*grp_mac
, u32 adv_id
, u32 ses_id
,
4025 u8 conncap
, int passwd_id
,
4026 const u8
*persist_ssid
,
4027 size_t persist_ssid_size
, int response_done
,
4028 int prov_start
, const char *session_info
,
4029 const u8
*feat_cap
, size_t feat_cap_len
,
4031 const u8
*group_ssid
, size_t group_ssid_len
)
4033 struct wpa_supplicant
*wpa_s
= ctx
;
4035 struct wpa_ssid
*persistent_go
, *stale
, *s
= NULL
;
4036 int save_config
= 0;
4037 struct wpa_supplicant
*go_wpa_s
;
4038 char feat_cap_str
[256];
4043 os_memset(mac
, 0, ETH_ALEN
);
4051 wpas_p2ps_get_feat_cap_str(feat_cap_str
, sizeof(feat_cap_str
),
4052 feat_cap
, feat_cap_len
);
4055 if (session_info
== NULL
) {
4056 wpa_msg_global(wpa_s
, MSG_INFO
,
4057 P2P_EVENT_P2PS_PROVISION_START MACSTR
4058 " adv_id=%x conncap=%x"
4060 " session=%x mac=" MACSTR
4061 " dev_passwd_id=%d%s",
4062 MAC2STR(dev
), adv_id
, conncap
,
4064 ses_id
, MAC2STR(ses_mac
),
4065 passwd_id
, feat_cap_str
);
4067 wpa_msg_global(wpa_s
, MSG_INFO
,
4068 P2P_EVENT_P2PS_PROVISION_START MACSTR
4069 " adv_id=%x conncap=%x"
4071 " session=%x mac=" MACSTR
4072 " dev_passwd_id=%d info='%s'%s",
4073 MAC2STR(dev
), adv_id
, conncap
,
4075 ses_id
, MAC2STR(ses_mac
),
4076 passwd_id
, session_info
, feat_cap_str
);
4081 go_wpa_s
= wpas_p2p_get_go_group(wpa_s
);
4082 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
4084 if (status
&& status
!= P2P_SC_SUCCESS_DEFERRED
) {
4085 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
4086 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
4088 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
4089 /* remove empty persistent GO */
4090 wpa_dbg(wpa_s
, MSG_DEBUG
,
4091 "P2P: Remove empty persistent group id=%d",
4093 wpas_notify_persistent_group_removed(wpa_s
,
4095 wpa_config_remove_network(wpa_s
->conf
,
4099 wpa_msg_global(wpa_s
, MSG_INFO
,
4100 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4102 " adv_id=%x adv_mac=" MACSTR
4103 " session=%x mac=" MACSTR
"%s",
4104 MAC2STR(dev
), status
,
4105 adv_id
, MAC2STR(adv_mac
),
4106 ses_id
, MAC2STR(ses_mac
), feat_cap_str
);
4110 /* Clean up stale persistent groups with this device */
4111 if (persist_ssid
&& persist_ssid_size
)
4112 s
= wpas_p2p_get_persistent(wpa_s
, dev
, persist_ssid
,
4115 if (persist_ssid
&& s
&& s
->mode
!= WPAS_MODE_P2P_GO
&&
4116 is_zero_ether_addr(grp_mac
)) {
4117 wpa_dbg(wpa_s
, MSG_ERROR
,
4118 "P2P: Peer device is a GO in a persistent group, but it did not provide the intended MAC address");
4123 stale
= wpas_p2p_get_persistent(wpa_s
, dev
, NULL
, 0);
4127 if (s
&& s
->ssid_len
== stale
->ssid_len
&&
4128 os_memcmp(stale
->bssid
, s
->bssid
, ETH_ALEN
) == 0 &&
4129 os_memcmp(stale
->ssid
, s
->ssid
, s
->ssid_len
) == 0)
4132 /* Remove stale persistent group */
4133 if (stale
->mode
!= WPAS_MODE_P2P_GO
||
4134 stale
->num_p2p_clients
<= 1) {
4135 wpa_dbg(wpa_s
, MSG_DEBUG
,
4136 "P2P: Remove stale persistent group id=%d",
4138 wpas_notify_persistent_group_removed(wpa_s
, stale
);
4139 wpa_config_remove_network(wpa_s
->conf
, stale
->id
);
4143 for (i
= 0; i
< stale
->num_p2p_clients
; i
++) {
4144 if (os_memcmp(stale
->p2p_client_list
+
4146 dev
, ETH_ALEN
) == 0) {
4147 os_memmove(stale
->p2p_client_list
+
4149 stale
->p2p_client_list
+
4151 (stale
->num_p2p_clients
-
4156 stale
->num_p2p_clients
--;
4162 p2p_config_write(wpa_s
);
4165 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
4166 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
4168 if (persistent_go
&& s
!= persistent_go
&&
4169 !persistent_go
->num_p2p_clients
) {
4170 /* remove empty persistent GO */
4171 wpa_dbg(wpa_s
, MSG_DEBUG
,
4172 "P2P: Remove empty persistent group id=%d",
4174 wpas_notify_persistent_group_removed(wpa_s
,
4176 wpa_config_remove_network(wpa_s
->conf
,
4181 wpa_msg_global(wpa_s
, MSG_INFO
,
4182 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4184 " adv_id=%x adv_mac=" MACSTR
4185 " session=%x mac=" MACSTR
4187 MAC2STR(dev
), status
,
4188 adv_id
, MAC2STR(adv_mac
),
4189 ses_id
, MAC2STR(ses_mac
), s
->id
, feat_cap_str
);
4193 wpa_s
->global
->pending_p2ps_group
= 0;
4194 wpa_s
->global
->pending_p2ps_group_freq
= 0;
4196 if (conncap
== P2PS_SETUP_GROUP_OWNER
) {
4198 * We need to copy the interface name. Simply saving a
4199 * pointer isn't enough, since if we use pending_interface_name
4200 * it will be overwritten when the group is added.
4202 char go_ifname
[100];
4204 go_ifname
[0] = '\0';
4206 if (!response_done
) {
4207 wpa_s
->global
->pending_p2ps_group
= 1;
4208 wpa_s
->global
->pending_p2ps_group_freq
= freq
;
4211 if (!wpas_p2p_create_iface(wpa_s
))
4212 os_memcpy(go_ifname
, wpa_s
->ifname
,
4214 else if (wpa_s
->pending_interface_name
[0])
4215 os_memcpy(go_ifname
,
4216 wpa_s
->pending_interface_name
,
4219 if (!go_ifname
[0]) {
4220 wpas_p2ps_prov_complete(
4221 wpa_s
, P2P_SC_FAIL_UNKNOWN_GROUP
,
4222 dev
, adv_mac
, ses_mac
,
4223 grp_mac
, adv_id
, ses_id
, 0, 0,
4224 NULL
, 0, 0, 0, NULL
, NULL
, 0, 0,
4229 /* If PD Resp complete, start up the GO */
4230 if (response_done
&& persistent_go
) {
4231 wpas_p2p_group_add_persistent(
4232 wpa_s
, persistent_go
,
4233 0, 0, freq
, 0, 0, 0, 0, 0, NULL
,
4234 persistent_go
->mode
==
4236 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
:
4238 } else if (response_done
) {
4239 wpas_p2p_group_add(wpa_s
, 1, freq
,
4243 if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
4244 os_memcpy(wpa_s
->p2ps_join_addr
, grp_mac
,
4246 wpa_s
->p2ps_method_config_any
= 1;
4248 } else if (passwd_id
== DEV_PW_P2PS_DEFAULT
) {
4249 os_memcpy(go_ifname
, go_wpa_s
->ifname
,
4252 if (is_zero_ether_addr(grp_mac
)) {
4253 wpa_dbg(go_wpa_s
, MSG_DEBUG
,
4254 "P2P: Setting PIN-1 for ANY");
4255 wpa_supplicant_ap_wps_pin(go_wpa_s
, NULL
,
4256 "12345670", NULL
, 0,
4259 wpa_dbg(go_wpa_s
, MSG_DEBUG
,
4260 "P2P: Setting PIN-1 for " MACSTR
,
4262 wpa_supplicant_ap_wps_pin(go_wpa_s
, grp_mac
,
4263 "12345670", NULL
, 0,
4267 os_memcpy(wpa_s
->p2ps_join_addr
, grp_mac
, ETH_ALEN
);
4268 wpa_s
->p2ps_method_config_any
= 1;
4271 wpa_msg_global(wpa_s
, MSG_INFO
,
4272 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4273 " status=%d conncap=%x"
4274 " adv_id=%x adv_mac=" MACSTR
4275 " session=%x mac=" MACSTR
4276 " dev_passwd_id=%d go=%s%s",
4277 MAC2STR(dev
), status
, conncap
,
4278 adv_id
, MAC2STR(adv_mac
),
4279 ses_id
, MAC2STR(ses_mac
),
4280 passwd_id
, go_ifname
, feat_cap_str
);
4284 if (go_wpa_s
&& !p2p_group_go_member_count(wpa_s
))
4285 wpas_p2p_group_remove(wpa_s
, go_wpa_s
->ifname
);
4287 if (persistent_go
&& !persistent_go
->num_p2p_clients
) {
4288 /* remove empty persistent GO */
4289 wpa_dbg(wpa_s
, MSG_DEBUG
,
4290 "P2P: Remove empty persistent group id=%d",
4292 wpas_notify_persistent_group_removed(wpa_s
, persistent_go
);
4293 wpa_config_remove_network(wpa_s
->conf
, persistent_go
->id
);
4296 if (conncap
== P2PS_SETUP_CLIENT
) {
4297 char ssid_hex
[32 * 2 + 1];
4300 wpa_snprintf_hex(ssid_hex
, sizeof(ssid_hex
),
4301 group_ssid
, group_ssid_len
);
4304 wpa_msg_global(wpa_s
, MSG_INFO
,
4305 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4306 " status=%d conncap=%x"
4307 " adv_id=%x adv_mac=" MACSTR
4308 " session=%x mac=" MACSTR
4309 " dev_passwd_id=%d join=" MACSTR
"%s%s%s",
4310 MAC2STR(dev
), status
, conncap
,
4311 adv_id
, MAC2STR(adv_mac
),
4312 ses_id
, MAC2STR(ses_mac
),
4313 passwd_id
, MAC2STR(grp_mac
), feat_cap_str
,
4314 group_ssid
? " group_ssid=" : "", ssid_hex
);
4316 wpa_msg_global(wpa_s
, MSG_INFO
,
4317 P2P_EVENT_P2PS_PROVISION_DONE MACSTR
4318 " status=%d conncap=%x"
4319 " adv_id=%x adv_mac=" MACSTR
4320 " session=%x mac=" MACSTR
4321 " dev_passwd_id=%d%s",
4322 MAC2STR(dev
), status
, conncap
,
4323 adv_id
, MAC2STR(adv_mac
),
4324 ses_id
, MAC2STR(ses_mac
),
4325 passwd_id
, feat_cap_str
);
4330 static int _wpas_p2p_in_progress(void *ctx
)
4332 struct wpa_supplicant
*wpa_s
= ctx
;
4333 return wpas_p2p_in_progress(wpa_s
);
4337 static int wpas_prov_disc_resp_cb(void *ctx
)
4339 struct wpa_supplicant
*wpa_s
= ctx
;
4340 struct wpa_ssid
*persistent_go
;
4343 if (!wpa_s
->global
->pending_p2ps_group
)
4346 freq
= wpa_s
->global
->pending_p2ps_group_freq
;
4347 wpa_s
->global
->pending_p2ps_group_freq
= 0;
4348 wpa_s
->global
->pending_p2ps_group
= 0;
4350 if (wpas_p2p_get_go_group(wpa_s
))
4352 persistent_go
= wpas_p2p_get_persistent_go(wpa_s
);
4354 if (persistent_go
) {
4355 wpas_p2p_group_add_persistent(
4356 wpa_s
, persistent_go
, 0, 0, 0, 0, 0, 0, 0, 0, NULL
,
4357 persistent_go
->mode
== WPAS_MODE_P2P_GO
?
4358 P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE
: 0, 0);
4360 wpas_p2p_group_add(wpa_s
, 1, freq
, 0, 0, 0, 0, 0);
4367 static int wpas_p2p_get_pref_freq_list(void *ctx
, int go
,
4369 unsigned int *freq_list
)
4371 struct wpa_supplicant
*wpa_s
= ctx
;
4373 return wpa_drv_get_pref_freq_list(wpa_s
, go
? WPA_IF_P2P_GO
:
4374 WPA_IF_P2P_CLIENT
, len
, freq_list
);
4378 int wpas_p2p_mac_setup(struct wpa_supplicant
*wpa_s
)
4380 u8 addr
[ETH_ALEN
] = {0};
4382 if (wpa_s
->conf
->p2p_device_random_mac_addr
== 0)
4385 if (!wpa_s
->conf
->ssid
) {
4386 if (random_mac_addr(addr
) < 0) {
4387 wpa_msg(wpa_s
, MSG_INFO
,
4388 "Failed to generate random MAC address");
4392 /* Store generated MAC address. */
4393 os_memcpy(wpa_s
->conf
->p2p_device_persistent_mac_addr
, addr
,
4396 /* If there are existing saved groups, restore last MAC address.
4397 * if there is no last used MAC address, the last one is
4399 if (is_zero_ether_addr(
4400 wpa_s
->conf
->p2p_device_persistent_mac_addr
))
4402 os_memcpy(addr
, wpa_s
->conf
->p2p_device_persistent_mac_addr
,
4404 wpa_msg(wpa_s
, MSG_DEBUG
, "Restore last used MAC address.");
4407 if (wpa_drv_set_mac_addr(wpa_s
, addr
) < 0) {
4408 wpa_msg(wpa_s
, MSG_INFO
,
4409 "Failed to set random MAC address");
4413 if (wpa_supplicant_update_mac_addr(wpa_s
) < 0) {
4414 wpa_msg(wpa_s
, MSG_INFO
,
4415 "Could not update MAC address information");
4419 wpa_msg(wpa_s
, MSG_DEBUG
, "Using random MAC address " MACSTR
,
4427 * wpas_p2p_init - Initialize P2P module for %wpa_supplicant
4428 * @global: Pointer to global data from wpa_supplicant_init()
4429 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4430 * Returns: 0 on success, -1 on failure
4432 int wpas_p2p_init(struct wpa_global
*global
, struct wpa_supplicant
*wpa_s
)
4434 struct p2p_config p2p
;
4437 if (wpa_s
->conf
->p2p_disabled
)
4440 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
4446 if (wpas_p2p_mac_setup(wpa_s
) < 0) {
4447 wpa_msg(wpa_s
, MSG_ERROR
,
4448 "Failed to initialize P2P random MAC address.");
4452 os_memset(&p2p
, 0, sizeof(p2p
));
4454 p2p
.debug_print
= wpas_p2p_debug_print
;
4455 p2p
.p2p_scan
= wpas_p2p_scan
;
4456 p2p
.send_action
= wpas_send_action
;
4457 p2p
.send_action_done
= wpas_send_action_done
;
4458 p2p
.go_neg_completed
= wpas_go_neg_completed
;
4459 p2p
.go_neg_req_rx
= wpas_go_neg_req_rx
;
4460 p2p
.dev_found
= wpas_dev_found
;
4461 p2p
.dev_lost
= wpas_dev_lost
;
4462 p2p
.find_stopped
= wpas_find_stopped
;
4463 p2p
.start_listen
= wpas_start_listen
;
4464 p2p
.stop_listen
= wpas_stop_listen
;
4465 p2p
.send_probe_resp
= wpas_send_probe_resp
;
4466 p2p
.sd_request
= wpas_sd_request
;
4467 p2p
.sd_response
= wpas_sd_response
;
4468 p2p
.prov_disc_req
= wpas_prov_disc_req
;
4469 p2p
.prov_disc_resp
= wpas_prov_disc_resp
;
4470 p2p
.prov_disc_fail
= wpas_prov_disc_fail
;
4471 p2p
.invitation_process
= wpas_invitation_process
;
4472 p2p
.invitation_received
= wpas_invitation_received
;
4473 p2p
.invitation_result
= wpas_invitation_result
;
4474 p2p
.get_noa
= wpas_get_noa
;
4475 p2p
.go_connected
= wpas_go_connected
;
4476 p2p
.presence_resp
= wpas_presence_resp
;
4477 p2p
.is_concurrent_session_active
= wpas_is_concurrent_session_active
;
4478 p2p
.is_p2p_in_progress
= _wpas_p2p_in_progress
;
4479 p2p
.get_persistent_group
= wpas_get_persistent_group
;
4480 p2p
.get_go_info
= wpas_get_go_info
;
4481 p2p
.remove_stale_groups
= wpas_remove_stale_groups
;
4482 p2p
.p2ps_prov_complete
= wpas_p2ps_prov_complete
;
4483 p2p
.prov_disc_resp_cb
= wpas_prov_disc_resp_cb
;
4484 p2p
.p2ps_group_capability
= p2ps_group_capability
;
4485 p2p
.get_pref_freq_list
= wpas_p2p_get_pref_freq_list
;
4487 os_memcpy(wpa_s
->global
->p2p_dev_addr
, wpa_s
->own_addr
, ETH_ALEN
);
4488 os_memcpy(p2p
.dev_addr
, wpa_s
->global
->p2p_dev_addr
, ETH_ALEN
);
4489 p2p
.dev_name
= wpa_s
->conf
->device_name
;
4490 p2p
.manufacturer
= wpa_s
->conf
->manufacturer
;
4491 p2p
.model_name
= wpa_s
->conf
->model_name
;
4492 p2p
.model_number
= wpa_s
->conf
->model_number
;
4493 p2p
.serial_number
= wpa_s
->conf
->serial_number
;
4495 os_memcpy(p2p
.uuid
, wpa_s
->wps
->uuid
, 16);
4496 p2p
.config_methods
= wpa_s
->wps
->config_methods
;
4499 if (wpas_p2p_setup_channels(wpa_s
, &p2p
.channels
, &p2p
.cli_channels
)) {
4500 wpa_printf(MSG_ERROR
,
4501 "P2P: Failed to configure supported channel list");
4505 if (wpa_s
->conf
->p2p_listen_reg_class
&&
4506 wpa_s
->conf
->p2p_listen_channel
) {
4507 p2p
.reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
4508 p2p
.channel
= wpa_s
->conf
->p2p_listen_channel
;
4509 p2p
.channel_forced
= 1;
4512 * Pick one of the social channels randomly as the listen
4515 if (p2p_config_get_random_social(&p2p
, &p2p
.reg_class
,
4517 &global
->p2p_go_avoid_freq
,
4518 &global
->p2p_disallow_freq
) !=
4520 wpa_printf(MSG_INFO
,
4521 "P2P: No social channels supported by the driver - do not enable P2P");
4524 p2p
.channel_forced
= 0;
4526 wpa_printf(MSG_DEBUG
, "P2P: Own listen channel: %d:%d",
4527 p2p
.reg_class
, p2p
.channel
);
4529 if (wpa_s
->conf
->p2p_oper_reg_class
&&
4530 wpa_s
->conf
->p2p_oper_channel
) {
4531 p2p
.op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
4532 p2p
.op_channel
= wpa_s
->conf
->p2p_oper_channel
;
4533 p2p
.cfg_op_channel
= 1;
4534 wpa_printf(MSG_DEBUG
, "P2P: Configured operating channel: "
4535 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
4539 * Use random operation channel from 2.4 GHz band social
4540 * channels (1, 6, 11) or band 60 GHz social channel (2) if no
4541 * other preference is indicated.
4543 if (p2p_config_get_random_social(&p2p
, &p2p
.op_reg_class
,
4544 &p2p
.op_channel
, NULL
,
4546 wpa_printf(MSG_INFO
,
4547 "P2P: Failed to select random social channel as operation channel");
4548 p2p
.op_reg_class
= 0;
4550 /* This will be overridden during group setup in
4551 * p2p_prepare_channel(), so allow setup to continue. */
4553 p2p
.cfg_op_channel
= 0;
4554 wpa_printf(MSG_DEBUG
, "P2P: Random operating channel: "
4555 "%d:%d", p2p
.op_reg_class
, p2p
.op_channel
);
4558 if (wpa_s
->conf
->p2p_pref_chan
&& wpa_s
->conf
->num_p2p_pref_chan
) {
4559 p2p
.pref_chan
= wpa_s
->conf
->p2p_pref_chan
;
4560 p2p
.num_pref_chan
= wpa_s
->conf
->num_p2p_pref_chan
;
4563 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
4564 os_memcpy(p2p
.country
, wpa_s
->conf
->country
, 2);
4565 p2p
.country
[2] = 0x04;
4567 os_memcpy(p2p
.country
, "XX\x04", 3);
4569 os_memcpy(p2p
.pri_dev_type
, wpa_s
->conf
->device_type
,
4572 p2p
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
4573 os_memcpy(p2p
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
4574 p2p
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
4576 p2p
.concurrent_operations
= !!(wpa_s
->drv_flags
&
4577 WPA_DRIVER_FLAGS_P2P_CONCURRENT
);
4579 p2p
.max_peers
= 100;
4581 if (wpa_s
->conf
->p2p_ssid_postfix
) {
4582 p2p
.ssid_postfix_len
=
4583 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
);
4584 if (p2p
.ssid_postfix_len
> sizeof(p2p
.ssid_postfix
))
4585 p2p
.ssid_postfix_len
= sizeof(p2p
.ssid_postfix
);
4586 os_memcpy(p2p
.ssid_postfix
, wpa_s
->conf
->p2p_ssid_postfix
,
4587 p2p
.ssid_postfix_len
);
4590 p2p
.p2p_intra_bss
= wpa_s
->conf
->p2p_intra_bss
;
4592 p2p
.max_listen
= wpa_s
->max_remain_on_chan
;
4594 if (wpa_s
->conf
->p2p_passphrase_len
>= 8 &&
4595 wpa_s
->conf
->p2p_passphrase_len
<= 63)
4596 p2p
.passphrase_len
= wpa_s
->conf
->p2p_passphrase_len
;
4598 p2p
.passphrase_len
= 8;
4600 global
->p2p
= p2p_init(&p2p
);
4601 if (global
->p2p
== NULL
)
4603 global
->p2p_init_wpa_s
= wpa_s
;
4605 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
4606 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
4608 p2p_add_wps_vendor_extension(
4609 global
->p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
4612 p2p_set_no_go_freq(global
->p2p
, &wpa_s
->conf
->p2p_no_go_freq
);
4619 * wpas_p2p_deinit - Deinitialize per-interface P2P data
4620 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
4622 * This function deinitialize per-interface P2P data.
4624 void wpas_p2p_deinit(struct wpa_supplicant
*wpa_s
)
4626 if (wpa_s
->driver
&& wpa_s
->drv_priv
)
4627 wpa_drv_probe_req_report(wpa_s
, 0);
4629 if (wpa_s
->go_params
) {
4630 /* Clear any stored provisioning info */
4631 p2p_clear_provisioning_info(
4633 wpa_s
->go_params
->peer_device_addr
);
4636 os_free(wpa_s
->go_params
);
4637 wpa_s
->go_params
= NULL
;
4638 eloop_cancel_timeout(wpas_p2p_psk_failure_removal
, wpa_s
, NULL
);
4639 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
4640 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4641 wpa_s
->p2p_long_listen
= 0;
4642 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
4643 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
4644 wpas_p2p_remove_pending_group_interface(wpa_s
);
4645 eloop_cancel_timeout(wpas_p2p_group_freq_conflict
, wpa_s
, NULL
);
4646 wpas_p2p_listen_work_done(wpa_s
);
4647 if (wpa_s
->p2p_send_action_work
) {
4648 os_free(wpa_s
->p2p_send_action_work
->ctx
);
4649 radio_work_done(wpa_s
->p2p_send_action_work
);
4650 wpa_s
->p2p_send_action_work
= NULL
;
4652 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
, wpa_s
, NULL
);
4654 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
4655 wpa_s
->p2p_oob_dev_pw
= NULL
;
4657 os_free(wpa_s
->p2p_group_common_freqs
);
4658 wpa_s
->p2p_group_common_freqs
= NULL
;
4659 wpa_s
->p2p_group_common_freqs_num
= 0;
4661 /* TODO: remove group interface from the driver if this wpa_s instance
4662 * is on top of a P2P group interface */
4667 * wpas_p2p_deinit_global - Deinitialize global P2P module
4668 * @global: Pointer to global data from wpa_supplicant_init()
4670 * This function deinitializes the global (per device) P2P module.
4672 static void wpas_p2p_deinit_global(struct wpa_global
*global
)
4674 struct wpa_supplicant
*wpa_s
, *tmp
;
4676 wpa_s
= global
->ifaces
;
4678 wpas_p2p_service_flush(global
->p2p_init_wpa_s
);
4680 /* Remove remaining P2P group interfaces */
4681 while (wpa_s
&& wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
4682 wpa_s
= wpa_s
->next
;
4684 tmp
= global
->ifaces
;
4687 tmp
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
)) {
4692 /* Disconnect from the P2P group and deinit the interface */
4693 wpas_p2p_disconnect(tmp
);
4697 * Deinit GO data on any possibly remaining interface (if main
4698 * interface is used as GO).
4700 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
4701 if (wpa_s
->ap_iface
)
4702 wpas_p2p_group_deinit(wpa_s
);
4705 p2p_deinit(global
->p2p
);
4707 global
->p2p_init_wpa_s
= NULL
;
4711 static int wpas_p2p_create_iface(struct wpa_supplicant
*wpa_s
)
4713 if (wpa_s
->conf
->p2p_no_group_iface
)
4714 return 0; /* separate interface disabled per configuration */
4715 if (wpa_s
->drv_flags
&
4716 (WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
|
4717 WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
))
4718 return 1; /* P2P group requires a new interface in every case
4720 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CONCURRENT
))
4721 return 0; /* driver does not support concurrent operations */
4722 if (wpa_s
->global
->ifaces
->next
)
4723 return 1; /* more that one interface already in use */
4724 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
4725 return 1; /* this interface is already in use */
4730 static int wpas_p2p_start_go_neg(struct wpa_supplicant
*wpa_s
,
4731 const u8
*peer_addr
,
4732 enum p2p_wps_method wps_method
,
4733 int go_intent
, const u8
*own_interface_addr
,
4734 unsigned int force_freq
, int persistent_group
,
4735 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4737 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4738 persistent_group
= 2;
4741 * Increase GO config timeout if HT40 is used since it takes some time
4742 * to scan channels for coex purposes before the BSS can be started.
4744 p2p_set_config_timeout(wpa_s
->global
->p2p
,
4745 wpa_s
->p2p_go_ht40
? 255 : 100, 20);
4747 return p2p_connect(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4748 go_intent
, own_interface_addr
, force_freq
,
4749 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4750 ssid
? ssid
->ssid_len
: 0,
4751 wpa_s
->p2p_pd_before_go_neg
, pref_freq
,
4752 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4757 static int wpas_p2p_auth_go_neg(struct wpa_supplicant
*wpa_s
,
4758 const u8
*peer_addr
,
4759 enum p2p_wps_method wps_method
,
4760 int go_intent
, const u8
*own_interface_addr
,
4761 unsigned int force_freq
, int persistent_group
,
4762 struct wpa_ssid
*ssid
, unsigned int pref_freq
)
4764 if (persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
4765 persistent_group
= 2;
4767 return p2p_authorize(wpa_s
->global
->p2p
, peer_addr
, wps_method
,
4768 go_intent
, own_interface_addr
, force_freq
,
4769 persistent_group
, ssid
? ssid
->ssid
: NULL
,
4770 ssid
? ssid
->ssid_len
: 0, pref_freq
,
4771 wps_method
== WPS_NFC
? wpa_s
->p2p_oob_dev_pw_id
:
4776 static void wpas_p2p_check_join_scan_limit(struct wpa_supplicant
*wpa_s
)
4778 wpa_s
->p2p_join_scan_count
++;
4779 wpa_printf(MSG_DEBUG
, "P2P: Join scan attempt %d",
4780 wpa_s
->p2p_join_scan_count
);
4781 if (wpa_s
->p2p_join_scan_count
> P2P_MAX_JOIN_SCAN_ATTEMPTS
) {
4782 wpa_printf(MSG_DEBUG
, "P2P: Failed to find GO " MACSTR
4783 " for join operationg - stop join attempt",
4784 MAC2STR(wpa_s
->pending_join_iface_addr
));
4785 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4786 if (wpa_s
->p2p_auto_pd
) {
4787 wpa_s
->p2p_auto_pd
= 0;
4788 wpa_msg_global(wpa_s
, MSG_INFO
,
4789 P2P_EVENT_PROV_DISC_FAILURE
4790 " p2p_dev_addr=" MACSTR
" status=N/A",
4791 MAC2STR(wpa_s
->pending_join_dev_addr
));
4794 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
4795 P2P_EVENT_GROUP_FORMATION_FAILURE
);
4796 wpas_notify_p2p_group_formation_failure(wpa_s
, "");
4801 static int wpas_check_freq_conflict(struct wpa_supplicant
*wpa_s
, int freq
)
4804 unsigned int num
, i
;
4805 struct wpa_used_freq_data
*freqs
;
4807 if (wpas_p2p_num_unused_channels(wpa_s
) > 0) {
4808 /* Multiple channels are supported and not all are in use */
4812 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
4813 sizeof(struct wpa_used_freq_data
));
4817 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
4818 wpa_s
->num_multichan_concurrent
);
4820 for (i
= 0; i
< num
; i
++) {
4821 if (freqs
[i
].freq
== freq
) {
4822 wpa_printf(MSG_DEBUG
, "P2P: Frequency %d MHz in use by another virtual interface and can be used",
4829 wpa_printf(MSG_DEBUG
, "P2P: No valid operating frequencies");
4838 static int wpas_p2p_peer_go(struct wpa_supplicant
*wpa_s
,
4839 const u8
*peer_dev_addr
)
4841 struct wpa_bss
*bss
;
4844 bss
= wpa_bss_get_p2p_dev_addr(wpa_s
, peer_dev_addr
);
4847 if (bss
->last_update_idx
< wpa_s
->bss_update_idx
) {
4848 wpa_printf(MSG_DEBUG
, "P2P: Peer BSS entry not updated in the "
4853 updated
= os_reltime_before(&wpa_s
->p2p_auto_started
,
4855 wpa_printf(MSG_DEBUG
, "P2P: Current BSS entry for peer updated at "
4856 "%ld.%06ld (%supdated in last scan)",
4857 bss
->last_update
.sec
, bss
->last_update
.usec
,
4858 updated
? "": "not ");
4864 static void wpas_p2p_scan_res_join(struct wpa_supplicant
*wpa_s
,
4865 struct wpa_scan_results
*scan_res
)
4867 struct wpa_bss
*bss
= NULL
;
4869 u8 iface_addr
[ETH_ALEN
];
4871 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
4873 if (wpa_s
->global
->p2p_disabled
)
4876 wpa_printf(MSG_DEBUG
, "P2P: Scan results received (%d BSS) for %sjoin",
4877 scan_res
? (int) scan_res
->num
: -1,
4878 wpa_s
->p2p_auto_join
? "auto_" : "");
4881 wpas_p2p_scan_res_handler(wpa_s
, scan_res
);
4883 if (wpa_s
->p2p_auto_pd
) {
4884 int join
= wpas_p2p_peer_go(wpa_s
,
4885 wpa_s
->pending_join_dev_addr
);
4887 wpa_s
->auto_pd_scan_retry
< P2P_AUTO_PD_SCAN_ATTEMPTS
) {
4888 wpa_s
->auto_pd_scan_retry
++;
4889 bss
= wpa_bss_get_bssid_latest(
4890 wpa_s
, wpa_s
->pending_join_dev_addr
);
4893 wpa_printf(MSG_DEBUG
, "P2P: Scan retry %d for "
4894 "the peer " MACSTR
" at %d MHz",
4895 wpa_s
->auto_pd_scan_retry
,
4897 pending_join_dev_addr
),
4899 wpas_p2p_join_scan_req(wpa_s
, freq
, NULL
, 0);
4907 wpa_s
->p2p_auto_pd
= 0;
4908 wpa_s
->pending_pd_use
= join
? AUTO_PD_JOIN
: AUTO_PD_GO_NEG
;
4909 wpa_printf(MSG_DEBUG
, "P2P: Auto PD with " MACSTR
" join=%d",
4910 MAC2STR(wpa_s
->pending_join_dev_addr
), join
);
4911 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
4912 wpa_s
->pending_join_dev_addr
, NULL
,
4913 wpa_s
->pending_pd_config_methods
, join
,
4914 0, wpa_s
->user_initiated_pd
) < 0) {
4915 wpa_s
->p2p_auto_pd
= 0;
4916 wpa_msg_global(wpa_s
, MSG_INFO
,
4917 P2P_EVENT_PROV_DISC_FAILURE
4918 " p2p_dev_addr=" MACSTR
" status=N/A",
4919 MAC2STR(wpa_s
->pending_join_dev_addr
));
4924 if (wpa_s
->p2p_auto_join
) {
4925 int join
= wpas_p2p_peer_go(wpa_s
,
4926 wpa_s
->pending_join_dev_addr
);
4928 wpa_printf(MSG_DEBUG
, "P2P: Peer was not found to be "
4929 "running a GO -> use GO Negotiation");
4930 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
4931 P2P_EVENT_FALLBACK_TO_GO_NEG
4932 "reason=peer-not-running-GO");
4933 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
,
4934 wpa_s
->p2p_pin
, wpa_s
->p2p_wps_method
,
4935 wpa_s
->p2p_persistent_group
, 0, 0, 0,
4936 wpa_s
->p2p_go_intent
,
4937 wpa_s
->p2p_connect_freq
,
4938 wpa_s
->p2p_go_vht_center_freq2
,
4939 wpa_s
->p2p_persistent_id
,
4940 wpa_s
->p2p_pd_before_go_neg
,
4943 wpa_s
->p2p_go_max_oper_chwidth
,
4949 wpa_printf(MSG_DEBUG
, "P2P: Peer was found running GO%s -> "
4950 "try to join the group", join
? "" :
4953 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
4954 P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED
);
4955 wpa_s
->p2p_fallback_to_go_neg
= 1;
4959 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4960 wpa_s
->pending_join_iface_addr
);
4962 p2p_get_interface_addr(wpa_s
->global
->p2p
,
4963 wpa_s
->pending_join_dev_addr
,
4965 os_memcmp(iface_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
) != 0
4966 && !wpa_bss_get_bssid(wpa_s
, wpa_s
->pending_join_iface_addr
)) {
4967 wpa_printf(MSG_DEBUG
, "P2P: Overwrite pending interface "
4968 "address for join from " MACSTR
" to " MACSTR
4969 " based on newly discovered P2P peer entry",
4970 MAC2STR(wpa_s
->pending_join_iface_addr
),
4971 MAC2STR(iface_addr
));
4972 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
,
4975 freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
4976 wpa_s
->pending_join_iface_addr
);
4979 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
4980 "from P2P peer table: %d MHz", freq
);
4982 if (wpa_s
->p2p_join_ssid_len
) {
4983 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4984 MACSTR
" and SSID %s",
4985 MAC2STR(wpa_s
->pending_join_iface_addr
),
4986 wpa_ssid_txt(wpa_s
->p2p_join_ssid
,
4987 wpa_s
->p2p_join_ssid_len
));
4988 bss
= wpa_bss_get(wpa_s
, wpa_s
->pending_join_iface_addr
,
4989 wpa_s
->p2p_join_ssid
,
4990 wpa_s
->p2p_join_ssid_len
);
4992 wpa_printf(MSG_DEBUG
, "P2P: Trying to find target GO BSS entry based on BSSID "
4993 MACSTR
, MAC2STR(wpa_s
->pending_join_iface_addr
));
4994 bss
= wpa_bss_get_bssid_latest(wpa_s
,
4995 wpa_s
->pending_join_iface_addr
);
4998 u8 dev_addr
[ETH_ALEN
];
5001 wpa_printf(MSG_DEBUG
, "P2P: Target GO operating frequency "
5002 "from BSS table: %d MHz (SSID %s)", freq
,
5003 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
5004 if (p2p_parse_dev_addr((const u8
*) (bss
+ 1), bss
->ie_len
,
5006 os_memcmp(wpa_s
->pending_join_dev_addr
,
5007 wpa_s
->pending_join_iface_addr
, ETH_ALEN
) == 0 &&
5008 os_memcmp(dev_addr
, wpa_s
->pending_join_dev_addr
,
5010 wpa_printf(MSG_DEBUG
,
5011 "P2P: Update target GO device address based on BSS entry: " MACSTR
" (was " MACSTR
")",
5013 MAC2STR(wpa_s
->pending_join_dev_addr
));
5014 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
,
5021 if (wpas_check_freq_conflict(wpa_s
, freq
) > 0) {
5022 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
5023 P2P_EVENT_GROUP_FORMATION_FAILURE
5024 "reason=FREQ_CONFLICT");
5025 wpas_notify_p2p_group_formation_failure(
5026 wpa_s
, "FREQ_CONFLICT");
5030 wpa_printf(MSG_DEBUG
, "P2P: Send Provision Discovery Request "
5031 "prior to joining an existing group (GO " MACSTR
5033 MAC2STR(wpa_s
->pending_join_dev_addr
), freq
);
5034 wpa_s
->pending_pd_before_join
= 1;
5036 switch (wpa_s
->pending_join_wps_method
) {
5037 case WPS_PIN_DISPLAY
:
5038 method
= WPS_CONFIG_KEYPAD
;
5040 case WPS_PIN_KEYPAD
:
5041 method
= WPS_CONFIG_DISPLAY
;
5044 method
= WPS_CONFIG_PUSHBUTTON
;
5047 method
= WPS_CONFIG_P2PS
;
5054 if ((p2p_get_provisioning_info(wpa_s
->global
->p2p
,
5055 wpa_s
->pending_join_dev_addr
) ==
5058 * We have already performed provision discovery for
5059 * joining the group. Proceed directly to join
5060 * operation without duplicated provision discovery. */
5061 wpa_printf(MSG_DEBUG
, "P2P: Provision discovery "
5062 "with " MACSTR
" already done - proceed to "
5064 MAC2STR(wpa_s
->pending_join_dev_addr
));
5065 wpa_s
->pending_pd_before_join
= 0;
5069 if (p2p_prov_disc_req(wpa_s
->global
->p2p
,
5070 wpa_s
->pending_join_dev_addr
,
5072 freq
, wpa_s
->user_initiated_pd
) < 0) {
5073 wpa_printf(MSG_DEBUG
, "P2P: Failed to send Provision "
5074 "Discovery Request before joining an "
5076 wpa_s
->pending_pd_before_join
= 0;
5082 wpa_printf(MSG_DEBUG
, "P2P: Failed to find BSS/GO - try again later");
5083 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
5084 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
5085 wpas_p2p_check_join_scan_limit(wpa_s
);
5089 /* Start join operation immediately */
5090 wpas_p2p_join_start(wpa_s
, 0, wpa_s
->p2p_join_ssid
,
5091 wpa_s
->p2p_join_ssid_len
);
5095 static void wpas_p2p_join_scan_req(struct wpa_supplicant
*wpa_s
, int freq
,
5096 const u8
*ssid
, size_t ssid_len
)
5099 struct wpa_driver_scan_params params
;
5100 struct wpabuf
*wps_ie
, *ies
;
5102 int freqs
[2] = { 0, 0 };
5105 os_memset(¶ms
, 0, sizeof(params
));
5107 /* P2P Wildcard SSID */
5108 params
.num_ssids
= 1;
5109 if (ssid
&& ssid_len
) {
5110 params
.ssids
[0].ssid
= ssid
;
5111 params
.ssids
[0].ssid_len
= ssid_len
;
5112 os_memcpy(wpa_s
->p2p_join_ssid
, ssid
, ssid_len
);
5113 wpa_s
->p2p_join_ssid_len
= ssid_len
;
5115 params
.ssids
[0].ssid
= (u8
*) P2P_WILDCARD_SSID
;
5116 params
.ssids
[0].ssid_len
= P2P_WILDCARD_SSID_LEN
;
5117 wpa_s
->p2p_join_ssid_len
= 0;
5120 wpa_s
->wps
->dev
.p2p
= 1;
5121 wps_ie
= wps_build_probe_req_ie(DEV_PW_DEFAULT
, &wpa_s
->wps
->dev
,
5122 wpa_s
->wps
->uuid
, WPS_REQ_ENROLLEE
, 0,
5124 if (wps_ie
== NULL
) {
5125 wpas_p2p_scan_res_join(wpa_s
, NULL
);
5132 * If freq is not provided, check the operating freq of the GO
5133 * and use a single channel scan on if possible.
5135 oper_freq
= p2p_get_oper_freq(wpa_s
->global
->p2p
,
5136 wpa_s
->pending_join_iface_addr
);
5142 params
.freqs
= freqs
;
5145 ielen
= p2p_scan_ie_buf_len(wpa_s
->global
->p2p
);
5146 ies
= wpabuf_alloc(wpabuf_len(wps_ie
) + ielen
);
5148 wpabuf_free(wps_ie
);
5149 wpas_p2p_scan_res_join(wpa_s
, NULL
);
5152 wpabuf_put_buf(ies
, wps_ie
);
5153 wpabuf_free(wps_ie
);
5155 bands
= wpas_get_bands(wpa_s
, freqs
);
5156 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
, bands
);
5158 params
.p2p_probe
= 1;
5159 params
.extra_ies
= wpabuf_head(ies
);
5160 params
.extra_ies_len
= wpabuf_len(ies
);
5162 if (wpa_s
->clear_driver_scan_cache
) {
5163 wpa_printf(MSG_DEBUG
,
5164 "Request driver to clear scan cache due to local BSS flush");
5165 params
.only_new_results
= 1;
5169 * Run a scan to update BSS table and start Provision Discovery once
5170 * the new scan results become available.
5172 ret
= wpa_drv_scan(wpa_s
, ¶ms
);
5174 os_get_reltime(&wpa_s
->scan_trigger_time
);
5175 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_join
;
5176 wpa_s
->own_scan_requested
= 1;
5177 wpa_s
->clear_driver_scan_cache
= 0;
5183 wpa_printf(MSG_DEBUG
, "P2P: Failed to start scan for join - "
5185 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
5186 eloop_register_timeout(1, 0, wpas_p2p_join_scan
, wpa_s
, NULL
);
5187 wpas_p2p_check_join_scan_limit(wpa_s
);
5192 static void wpas_p2p_join_scan(void *eloop_ctx
, void *timeout_ctx
)
5194 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
5195 wpas_p2p_join_scan_req(wpa_s
, 0, NULL
, 0);
5199 static int wpas_p2p_join(struct wpa_supplicant
*wpa_s
, const u8
*iface_addr
,
5200 const u8
*dev_addr
, enum p2p_wps_method wps_method
,
5201 int auto_join
, int op_freq
,
5202 const u8
*ssid
, size_t ssid_len
)
5204 wpa_printf(MSG_DEBUG
, "P2P: Request to join existing group (iface "
5205 MACSTR
" dev " MACSTR
" op_freq=%d)%s",
5206 MAC2STR(iface_addr
), MAC2STR(dev_addr
), op_freq
,
5207 auto_join
? " (auto_join)" : "");
5208 if (ssid
&& ssid_len
) {
5209 wpa_printf(MSG_DEBUG
, "P2P: Group SSID specified: %s",
5210 wpa_ssid_txt(ssid
, ssid_len
));
5213 wpa_s
->p2p_auto_pd
= 0;
5214 wpa_s
->p2p_auto_join
= !!auto_join
;
5215 os_memcpy(wpa_s
->pending_join_iface_addr
, iface_addr
, ETH_ALEN
);
5216 os_memcpy(wpa_s
->pending_join_dev_addr
, dev_addr
, ETH_ALEN
);
5217 wpa_s
->pending_join_wps_method
= wps_method
;
5219 /* Make sure we are not running find during connection establishment */
5220 wpas_p2p_stop_find(wpa_s
);
5222 wpa_s
->p2p_join_scan_count
= 0;
5223 wpas_p2p_join_scan_req(wpa_s
, op_freq
, ssid
, ssid_len
);
5228 static int wpas_p2p_join_start(struct wpa_supplicant
*wpa_s
, int freq
,
5229 const u8
*ssid
, size_t ssid_len
)
5231 struct wpa_supplicant
*group
;
5232 struct p2p_go_neg_results res
;
5233 struct wpa_bss
*bss
;
5235 group
= wpas_p2p_get_group_iface(wpa_s
, 0, 0);
5238 if (group
!= wpa_s
) {
5239 os_memcpy(group
->p2p_pin
, wpa_s
->p2p_pin
,
5240 sizeof(group
->p2p_pin
));
5241 group
->p2p_wps_method
= wpa_s
->p2p_wps_method
;
5245 * Need to mark the current interface for p2p_group_formation
5246 * when a separate group interface is not used. This is needed
5247 * to allow p2p_cancel stop a pending p2p_connect-join.
5248 * wpas_p2p_init_group_interface() addresses this for the case
5249 * where a separate group interface is used.
5251 if (group
== wpa_s
->parent
)
5252 wpa_s
->global
->p2p_group_formation
= group
;
5254 group
->p2p_in_provisioning
= 1;
5255 group
->p2p_fallback_to_go_neg
= wpa_s
->p2p_fallback_to_go_neg
;
5257 os_memset(&res
, 0, sizeof(res
));
5258 os_memcpy(res
.peer_device_addr
, wpa_s
->pending_join_dev_addr
, ETH_ALEN
);
5259 os_memcpy(res
.peer_interface_addr
, wpa_s
->pending_join_iface_addr
,
5261 res
.wps_method
= wpa_s
->pending_join_wps_method
;
5262 if (freq
&& ssid
&& ssid_len
) {
5264 res
.ssid_len
= ssid_len
;
5265 os_memcpy(res
.ssid
, ssid
, ssid_len
);
5267 if (ssid
&& ssid_len
) {
5268 bss
= wpa_bss_get(wpa_s
, wpa_s
->pending_join_iface_addr
,
5271 bss
= wpa_bss_get_bssid_latest(
5272 wpa_s
, wpa_s
->pending_join_iface_addr
);
5275 res
.freq
= bss
->freq
;
5276 res
.ssid_len
= bss
->ssid_len
;
5277 os_memcpy(res
.ssid
, bss
->ssid
, bss
->ssid_len
);
5278 wpa_printf(MSG_DEBUG
, "P2P: Join target GO operating frequency from BSS table: %d MHz (SSID %s)",
5280 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
5281 } else if (ssid
&& ssid_len
) {
5282 res
.ssid_len
= ssid_len
;
5283 os_memcpy(res
.ssid
, ssid
, ssid_len
);
5284 wpa_printf(MSG_DEBUG
, "P2P: Join target GO (SSID %s)",
5285 wpa_ssid_txt(ssid
, ssid_len
));
5289 if (wpa_s
->off_channel_freq
|| wpa_s
->roc_waiting_drv_freq
) {
5290 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel prior to "
5292 wpa_drv_cancel_remain_on_channel(wpa_s
);
5293 wpa_s
->off_channel_freq
= 0;
5294 wpa_s
->roc_waiting_drv_freq
= 0;
5296 wpas_start_wps_enrollee(group
, &res
);
5299 * Allow a longer timeout for join-a-running-group than normal 15
5300 * second group formation timeout since the GO may not have authorized
5301 * our connection yet.
5303 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
, NULL
);
5304 eloop_register_timeout(60, 0, wpas_p2p_group_formation_timeout
,
5311 static int wpas_p2p_setup_freqs(struct wpa_supplicant
*wpa_s
, int freq
,
5312 int *force_freq
, int *pref_freq
, int go
,
5313 unsigned int *pref_freq_list
,
5314 unsigned int *num_pref_freq
)
5316 struct wpa_used_freq_data
*freqs
;
5317 int res
, best_freq
, num_unused
;
5318 unsigned int freq_in_use
= 0, num
, i
, max_pref_freq
;
5320 max_pref_freq
= *num_pref_freq
;
5323 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
5324 sizeof(struct wpa_used_freq_data
));
5328 num
= wpas_p2p_valid_oper_freqs(wpa_s
, freqs
,
5329 wpa_s
->num_multichan_concurrent
);
5332 * It is possible that the total number of used frequencies is bigger
5333 * than the number of frequencies used for P2P, so get the system wide
5334 * number of unused frequencies.
5336 num_unused
= wpas_p2p_num_unused_channels(wpa_s
);
5338 wpa_printf(MSG_DEBUG
,
5339 "P2P: Setup freqs: freq=%d num_MCC=%d shared_freqs=%u num_unused=%d",
5340 freq
, wpa_s
->num_multichan_concurrent
, num
, num_unused
);
5345 ret
= p2p_supported_freq(wpa_s
->global
->p2p
, freq
);
5347 ret
= p2p_supported_freq_cli(wpa_s
->global
->p2p
, freq
);
5349 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5350 ieee80211_is_dfs(freq
, wpa_s
->hw
.modes
,
5351 wpa_s
->hw
.num_modes
)) {
5353 * If freq is a DFS channel and DFS is offloaded
5354 * to the driver, allow P2P GO to use it.
5356 wpa_printf(MSG_DEBUG
,
5357 "P2P: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded to the driver",
5360 wpa_printf(MSG_DEBUG
,
5361 "P2P: The forced channel (%u MHz) is not supported for P2P uses",
5368 for (i
= 0; i
< num
; i
++) {
5369 if (freqs
[i
].freq
== freq
)
5373 if (num_unused
<= 0 && !freq_in_use
) {
5374 wpa_printf(MSG_DEBUG
, "P2P: Cannot start P2P group on %u MHz as there are no available channels",
5379 wpa_printf(MSG_DEBUG
, "P2P: Trying to force us to use the "
5380 "requested channel (%u MHz)", freq
);
5385 best_freq
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
5387 if (!wpa_s
->conf
->num_p2p_pref_chan
&& *pref_freq
== 0) {
5388 enum wpa_driver_if_type iface_type
;
5391 iface_type
= WPA_IF_P2P_GO
;
5393 iface_type
= WPA_IF_P2P_CLIENT
;
5395 wpa_printf(MSG_DEBUG
, "P2P: best_freq=%d, go=%d",
5398 res
= wpa_drv_get_pref_freq_list(wpa_s
, iface_type
,
5401 if (!res
&& max_pref_freq
> 0) {
5402 *num_pref_freq
= max_pref_freq
;
5404 while (i
< *num_pref_freq
&&
5405 (!p2p_supported_freq(wpa_s
->global
->p2p
,
5406 pref_freq_list
[i
]) ||
5407 wpas_p2p_disallowed_freq(wpa_s
->global
,
5408 pref_freq_list
[i
]))) {
5409 wpa_printf(MSG_DEBUG
,
5410 "P2P: preferred_freq_list[%d]=%d is disallowed",
5411 i
, pref_freq_list
[i
]);
5414 if (i
!= *num_pref_freq
) {
5415 best_freq
= pref_freq_list
[i
];
5416 wpa_printf(MSG_DEBUG
,
5417 "P2P: Using preferred_freq_list[%d]=%d",
5420 wpa_printf(MSG_DEBUG
,
5421 "P2P: All driver preferred frequencies are disallowed for P2P use");
5425 wpa_printf(MSG_DEBUG
,
5426 "P2P: No preferred frequency list available");
5430 /* We have a candidate frequency to use */
5431 if (best_freq
> 0) {
5432 if (*pref_freq
== 0 && num_unused
> 0) {
5433 wpa_printf(MSG_DEBUG
, "P2P: Try to prefer a frequency (%u MHz) we are already using",
5435 *pref_freq
= best_freq
;
5437 wpa_printf(MSG_DEBUG
, "P2P: Try to force us to use frequency (%u MHz) which is already in use",
5439 *force_freq
= best_freq
;
5441 } else if (num_unused
> 0) {
5442 wpa_printf(MSG_DEBUG
,
5443 "P2P: Current operating channels are not available for P2P. Try to use another channel");
5446 wpa_printf(MSG_DEBUG
,
5447 "P2P: All channels are in use and none of them are P2P enabled. Cannot start P2P group");
5461 * wpas_p2p_connect - Request P2P Group Formation to be started
5462 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5463 * @peer_addr: Address of the peer P2P Device
5464 * @pin: PIN to use during provisioning or %NULL to indicate PBC mode
5465 * @persistent_group: Whether to create a persistent group
5466 * @auto_join: Whether to select join vs. GO Negotiation automatically
5467 * @join: Whether to join an existing group (as a client) instead of starting
5468 * Group Owner negotiation; @peer_addr is BSSID in that case
5469 * @auth: Whether to only authorize the connection instead of doing that and
5470 * initiating Group Owner negotiation
5471 * @go_intent: GO Intent or -1 to use default
5472 * @freq: Frequency for the group or 0 for auto-selection
5473 * @freq2: Center frequency of segment 1 for the GO operating in VHT 80P80 mode
5474 * @persistent_id: Persistent group credentials to use for forcing GO
5475 * parameters or -1 to generate new values (SSID/passphrase)
5476 * @pd: Whether to send Provision Discovery prior to GO Negotiation as an
5477 * interoperability workaround when initiating group formation
5478 * @ht40: Start GO with 40 MHz channel width
5479 * @vht: Start GO with VHT support
5480 * @vht_chwidth: Channel width supported by GO operating with VHT support
5482 * @group_ssid: Specific Group SSID for join or %NULL if not set
5483 * @group_ssid_len: Length of @group_ssid in octets
5484 * Returns: 0 or new PIN (if pin was %NULL) on success, -1 on unspecified
5485 * failure, -2 on failure due to channel not currently available,
5486 * -3 if forced channel is not supported
5488 int wpas_p2p_connect(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
5489 const char *pin
, enum p2p_wps_method wps_method
,
5490 int persistent_group
, int auto_join
, int join
, int auth
,
5491 int go_intent
, int freq
, unsigned int vht_center_freq2
,
5492 int persistent_id
, int pd
, int ht40
, int vht
,
5493 unsigned int vht_chwidth
, int he
, const u8
*group_ssid
,
5494 size_t group_ssid_len
)
5496 int force_freq
= 0, pref_freq
= 0;
5498 enum wpa_driver_if_type iftype
;
5500 struct wpa_ssid
*ssid
= NULL
;
5501 unsigned int pref_freq_list
[P2P_MAX_PREF_CHANNELS
], size
;
5503 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5506 if (persistent_id
>= 0) {
5507 ssid
= wpa_config_get_network(wpa_s
->conf
, persistent_id
);
5508 if (ssid
== NULL
|| ssid
->disabled
!= 2 ||
5509 ssid
->mode
!= WPAS_MODE_P2P_GO
)
5513 os_free(wpa_s
->global
->add_psk
);
5514 wpa_s
->global
->add_psk
= NULL
;
5516 wpa_s
->global
->p2p_fail_on_wps_complete
= 0;
5517 wpa_s
->global
->pending_p2ps_group
= 0;
5518 wpa_s
->global
->pending_p2ps_group_freq
= 0;
5519 wpa_s
->p2ps_method_config_any
= 0;
5522 go_intent
= wpa_s
->conf
->p2p_go_intent
;
5525 wpa_s
->p2p_long_listen
= 0;
5527 wpa_s
->p2p_wps_method
= wps_method
;
5528 wpa_s
->p2p_persistent_group
= !!persistent_group
;
5529 wpa_s
->p2p_persistent_id
= persistent_id
;
5530 wpa_s
->p2p_go_intent
= go_intent
;
5531 wpa_s
->p2p_connect_freq
= freq
;
5532 wpa_s
->p2p_fallback_to_go_neg
= 0;
5533 wpa_s
->p2p_pd_before_go_neg
= !!pd
;
5534 wpa_s
->p2p_go_ht40
= !!ht40
;
5535 wpa_s
->p2p_go_vht
= !!vht
;
5536 wpa_s
->p2p_go_vht_center_freq2
= vht_center_freq2
;
5537 wpa_s
->p2p_go_max_oper_chwidth
= vht_chwidth
;
5538 wpa_s
->p2p_go_he
= !!he
;
5541 os_strlcpy(wpa_s
->p2p_pin
, pin
, sizeof(wpa_s
->p2p_pin
));
5542 else if (wps_method
== WPS_PIN_DISPLAY
) {
5543 if (wps_generate_pin((unsigned int *) &ret
) < 0)
5545 res
= os_snprintf(wpa_s
->p2p_pin
, sizeof(wpa_s
->p2p_pin
),
5547 if (os_snprintf_error(sizeof(wpa_s
->p2p_pin
), res
))
5548 wpa_s
->p2p_pin
[sizeof(wpa_s
->p2p_pin
) - 1] = '\0';
5549 wpa_printf(MSG_DEBUG
, "P2P: Randomly generated PIN: %s",
5551 } else if (wps_method
== WPS_P2PS
) {
5552 /* Force the P2Ps default PIN to be used */
5553 os_strlcpy(wpa_s
->p2p_pin
, "12345670", sizeof(wpa_s
->p2p_pin
));
5555 wpa_s
->p2p_pin
[0] = '\0';
5557 if (join
|| auto_join
) {
5558 u8 iface_addr
[ETH_ALEN
], dev_addr
[ETH_ALEN
];
5560 wpa_printf(MSG_DEBUG
, "P2P: Authorize invitation to "
5561 "connect a running group from " MACSTR
,
5562 MAC2STR(peer_addr
));
5563 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
5566 os_memcpy(dev_addr
, peer_addr
, ETH_ALEN
);
5567 if (p2p_get_interface_addr(wpa_s
->global
->p2p
, peer_addr
,
5569 os_memcpy(iface_addr
, peer_addr
, ETH_ALEN
);
5570 p2p_get_dev_addr(wpa_s
->global
->p2p
, peer_addr
,
5574 os_get_reltime(&wpa_s
->p2p_auto_started
);
5575 wpa_printf(MSG_DEBUG
, "P2P: Auto join started at "
5577 wpa_s
->p2p_auto_started
.sec
,
5578 wpa_s
->p2p_auto_started
.usec
);
5580 wpa_s
->user_initiated_pd
= 1;
5581 if (wpas_p2p_join(wpa_s
, iface_addr
, dev_addr
, wps_method
,
5583 group_ssid
, group_ssid_len
) < 0)
5588 size
= P2P_MAX_PREF_CHANNELS
;
5589 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
5590 go_intent
== 15, pref_freq_list
, &size
);
5593 wpas_p2p_set_own_freq_preference(wpa_s
,
5594 force_freq
? force_freq
: pref_freq
);
5596 p2p_set_own_pref_freq_list(wpa_s
->global
->p2p
, pref_freq_list
, size
);
5598 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
5600 if (wpa_s
->create_p2p_iface
) {
5601 /* Prepare to add a new interface for the group */
5602 iftype
= WPA_IF_P2P_GROUP
;
5603 if (go_intent
== 15)
5604 iftype
= WPA_IF_P2P_GO
;
5605 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
5606 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
5607 "interface for the group");
5611 if_addr
= wpa_s
->pending_interface_addr
;
5613 if (wpa_s
->p2p_mgmt
)
5614 if_addr
= wpa_s
->parent
->own_addr
;
5616 if_addr
= wpa_s
->own_addr
;
5617 os_memset(wpa_s
->go_dev_addr
, 0, ETH_ALEN
);
5621 if (wpas_p2p_auth_go_neg(wpa_s
, peer_addr
, wps_method
,
5623 force_freq
, persistent_group
, ssid
,
5629 if (wpas_p2p_start_go_neg(wpa_s
, peer_addr
, wps_method
,
5630 go_intent
, if_addr
, force_freq
,
5631 persistent_group
, ssid
, pref_freq
) < 0) {
5632 if (wpa_s
->create_p2p_iface
)
5633 wpas_p2p_remove_pending_group_interface(wpa_s
);
5641 * wpas_p2p_remain_on_channel_cb - Indication of remain-on-channel start
5642 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5643 * @freq: Frequency of the channel in MHz
5644 * @duration: Duration of the stay on the channel in milliseconds
5646 * This callback is called when the driver indicates that it has started the
5647 * requested remain-on-channel duration.
5649 void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
5650 unsigned int freq
, unsigned int duration
)
5652 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5654 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)",
5655 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
5656 wpa_s
->roc_waiting_drv_freq
, freq
, duration
);
5657 if (wpa_s
->off_channel_freq
&&
5658 wpa_s
->off_channel_freq
== wpa_s
->pending_listen_freq
) {
5659 p2p_listen_cb(wpa_s
->global
->p2p
, wpa_s
->pending_listen_freq
,
5660 wpa_s
->pending_listen_duration
);
5661 wpa_s
->pending_listen_freq
= 0;
5663 wpa_printf(MSG_DEBUG
, "P2P: Ignore remain-on-channel callback (off_channel_freq=%u pending_listen_freq=%d freq=%u duration=%u)",
5664 wpa_s
->off_channel_freq
, wpa_s
->pending_listen_freq
,
5670 int wpas_p2p_listen_start(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
5672 /* Limit maximum Listen state time based on driver limitation. */
5673 if (timeout
> wpa_s
->max_remain_on_chan
)
5674 timeout
= wpa_s
->max_remain_on_chan
;
5676 return p2p_listen(wpa_s
->global
->p2p
, timeout
);
5681 * wpas_p2p_cancel_remain_on_channel_cb - Remain-on-channel timeout
5682 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5683 * @freq: Frequency of the channel in MHz
5685 * This callback is called when the driver indicates that a remain-on-channel
5686 * operation has been completed, i.e., the duration on the requested channel
5689 void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
5692 wpa_printf(MSG_DEBUG
, "P2P: Cancel remain-on-channel callback "
5693 "(p2p_long_listen=%d ms pending_action_tx=%p)",
5694 wpa_s
->p2p_long_listen
, offchannel_pending_action_tx(wpa_s
));
5695 wpas_p2p_listen_work_done(wpa_s
);
5696 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
5698 if (wpa_s
->p2p_long_listen
> 0)
5699 wpa_s
->p2p_long_listen
-= wpa_s
->max_remain_on_chan
;
5700 if (p2p_listen_end(wpa_s
->global
->p2p
, freq
) > 0)
5701 return; /* P2P module started a new operation */
5702 if (offchannel_pending_action_tx(wpa_s
))
5704 if (wpa_s
->p2p_long_listen
> 0) {
5705 wpa_printf(MSG_DEBUG
, "P2P: Continuing long Listen state");
5706 wpas_p2p_listen_start(wpa_s
, wpa_s
->p2p_long_listen
);
5709 * When listen duration is over, stop listen & update p2p_state
5712 p2p_stop_listen(wpa_s
->global
->p2p
);
5718 * wpas_p2p_group_remove - Remove a P2P group
5719 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
5720 * @ifname: Network interface name of the group interface or "*" to remove all
5722 * Returns: 0 on success, -1 on failure
5724 * This function is used to remove a P2P group. This can be used to disconnect
5725 * from a group in which the local end is a P2P Client or to end a P2P Group in
5726 * case the local end is the Group Owner. If a virtual network interface was
5727 * created for this group, that interface will be removed. Otherwise, only the
5728 * configured P2P group network will be removed from the interface.
5730 int wpas_p2p_group_remove(struct wpa_supplicant
*wpa_s
, const char *ifname
)
5732 struct wpa_global
*global
= wpa_s
->global
;
5733 struct wpa_supplicant
*calling_wpa_s
= wpa_s
;
5735 if (os_strcmp(ifname
, "*") == 0) {
5736 struct wpa_supplicant
*prev
;
5737 wpa_s
= global
->ifaces
;
5740 wpa_s
= wpa_s
->next
;
5741 if (prev
->p2p_group_interface
!=
5742 NOT_P2P_GROUP_INTERFACE
||
5743 (prev
->current_ssid
&&
5744 prev
->current_ssid
->p2p_group
))
5745 wpas_p2p_disconnect_safely(prev
, calling_wpa_s
);
5750 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5751 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5755 return wpas_p2p_disconnect_safely(wpa_s
, calling_wpa_s
);
5759 static int wpas_p2p_select_go_freq(struct wpa_supplicant
*wpa_s
, int freq
)
5763 if (!wpa_s
->conf
->num_p2p_pref_chan
&& !freq
) {
5764 unsigned int i
, size
= P2P_MAX_PREF_CHANNELS
;
5765 unsigned int pref_freq_list
[P2P_MAX_PREF_CHANNELS
];
5768 res
= wpa_drv_get_pref_freq_list(wpa_s
, WPA_IF_P2P_GO
,
5769 &size
, pref_freq_list
);
5770 if (!res
&& size
> 0) {
5773 (!p2p_supported_freq(wpa_s
->global
->p2p
,
5774 pref_freq_list
[i
]) ||
5775 wpas_p2p_disallowed_freq(wpa_s
->global
,
5776 pref_freq_list
[i
]))) {
5777 wpa_printf(MSG_DEBUG
,
5778 "P2P: preferred_freq_list[%d]=%d is disallowed",
5779 i
, pref_freq_list
[i
]);
5783 freq
= pref_freq_list
[i
];
5784 wpa_printf(MSG_DEBUG
,
5785 "P2P: Using preferred_freq_list[%d]=%d",
5788 wpa_printf(MSG_DEBUG
,
5789 "P2P: All driver preferred frequencies are disallowed for P2P use");
5792 wpa_printf(MSG_DEBUG
,
5793 "P2P: No preferred frequency list available");
5798 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 2.4 GHz "
5800 if (wpa_s
->best_24_freq
> 0 &&
5801 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5802 wpa_s
->best_24_freq
)) {
5803 freq
= wpa_s
->best_24_freq
;
5804 wpa_printf(MSG_DEBUG
, "P2P: Use best 2.4 GHz band "
5805 "channel: %d MHz", freq
);
5807 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5809 freq
= 2412 + (r
% 3) * 25;
5810 wpa_printf(MSG_DEBUG
, "P2P: Use random 2.4 GHz band "
5811 "channel: %d MHz", freq
);
5816 wpa_printf(MSG_DEBUG
, "P2P: Request to start GO on 5 GHz "
5818 if (wpa_s
->best_5_freq
> 0 &&
5819 p2p_supported_freq_go(wpa_s
->global
->p2p
,
5820 wpa_s
->best_5_freq
)) {
5821 freq
= wpa_s
->best_5_freq
;
5822 wpa_printf(MSG_DEBUG
, "P2P: Use best 5 GHz band "
5823 "channel: %d MHz", freq
);
5825 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5827 freq
= 5180 + (r
% 4) * 20;
5828 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5829 wpa_printf(MSG_DEBUG
, "P2P: Could not select "
5830 "5 GHz channel for P2P group");
5833 wpa_printf(MSG_DEBUG
, "P2P: Use random 5 GHz band "
5834 "channel: %d MHz", freq
);
5838 if (freq
> 0 && !p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
5839 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
5840 ieee80211_is_dfs(freq
, wpa_s
->hw
.modes
,
5841 wpa_s
->hw
.num_modes
)) {
5843 * If freq is a DFS channel and DFS is offloaded to the
5844 * driver, allow P2P GO to use it.
5846 wpa_printf(MSG_DEBUG
, "P2P: "
5847 "%s: The forced channel for GO (%u MHz) is DFS, and DFS is offloaded",
5851 wpa_printf(MSG_DEBUG
, "P2P: The forced channel for GO "
5852 "(%u MHz) is not supported for P2P uses",
5861 static int wpas_p2p_supported_freq_go(struct wpa_supplicant
*wpa_s
,
5862 const struct p2p_channels
*channels
,
5865 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, freq
) &&
5866 p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
) &&
5867 freq_included(wpa_s
, channels
, freq
))
5873 static void wpas_p2p_select_go_freq_no_pref(struct wpa_supplicant
*wpa_s
,
5874 struct p2p_go_neg_results
*params
,
5875 const struct p2p_channels
*channels
)
5879 /* try all channels in operating class 115 */
5880 for (i
= 0; i
< 4; i
++) {
5881 params
->freq
= 5180 + i
* 20;
5882 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5883 freq_included(wpa_s
, channels
, params
->freq
) &&
5884 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5888 /* try all channels in operating class 124 */
5889 for (i
= 0; i
< 4; i
++) {
5890 params
->freq
= 5745 + i
* 20;
5891 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5892 freq_included(wpa_s
, channels
, params
->freq
) &&
5893 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5897 /* try social channel class 180 channel 2 */
5898 params
->freq
= 58320 + 1 * 2160;
5899 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5900 freq_included(wpa_s
, channels
, params
->freq
) &&
5901 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5904 /* try all channels in reg. class 180 */
5905 for (i
= 0; i
< 4; i
++) {
5906 params
->freq
= 58320 + i
* 2160;
5907 if (!wpas_p2p_disallowed_freq(wpa_s
->global
, params
->freq
) &&
5908 freq_included(wpa_s
, channels
, params
->freq
) &&
5909 p2p_supported_freq(wpa_s
->global
->p2p
, params
->freq
))
5913 /* try some random selection of the social channels */
5914 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
5917 for (i
= 0; i
< 3; i
++) {
5918 params
->freq
= 2412 + ((r
+ i
) % 3) * 25;
5919 if (wpas_p2p_supported_freq_go(wpa_s
, channels
, params
->freq
))
5923 /* try all other channels in operating class 81 */
5924 for (i
= 0; i
< 11; i
++) {
5925 params
->freq
= 2412 + i
* 5;
5927 /* skip social channels; covered in the previous loop */
5928 if (params
->freq
== 2412 ||
5929 params
->freq
== 2437 ||
5930 params
->freq
== 2462)
5933 if (wpas_p2p_supported_freq_go(wpa_s
, channels
, params
->freq
))
5938 wpa_printf(MSG_DEBUG
, "P2P: No 2.4, 5, or 60 GHz channel allowed");
5941 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz (no preference known)",
5946 static int wpas_same_band(int freq1
, int freq2
)
5948 enum hostapd_hw_mode mode1
, mode2
;
5951 mode1
= ieee80211_freq_to_chan(freq1
, &chan1
);
5952 mode2
= ieee80211_freq_to_chan(freq2
, &chan2
);
5953 if (mode1
== NUM_HOSTAPD_MODES
)
5955 return mode1
== mode2
;
5959 static int wpas_p2p_init_go_params(struct wpa_supplicant
*wpa_s
,
5960 struct p2p_go_neg_results
*params
,
5961 int freq
, int vht_center_freq2
, int ht40
,
5962 int vht
, int max_oper_chwidth
, int he
,
5963 const struct p2p_channels
*channels
)
5965 struct wpa_used_freq_data
*freqs
;
5967 unsigned int num
, i
;
5968 int ignore_no_freqs
= 0;
5969 int unused_channels
= wpas_p2p_num_unused_channels(wpa_s
) > 0;
5971 os_memset(params
, 0, sizeof(*params
));
5972 params
->role_go
= 1;
5973 params
->ht40
= ht40
;
5976 params
->max_oper_chwidth
= max_oper_chwidth
;
5977 params
->vht_center_freq2
= vht_center_freq2
;
5979 freqs
= os_calloc(wpa_s
->num_multichan_concurrent
,
5980 sizeof(struct wpa_used_freq_data
));
5984 num
= get_shared_radio_freqs_data(wpa_s
, freqs
,
5985 wpa_s
->num_multichan_concurrent
);
5987 if (wpa_s
->current_ssid
&&
5988 wpa_s
->current_ssid
->mode
== WPAS_MODE_P2P_GO
&&
5989 wpa_s
->wpa_state
== WPA_COMPLETED
) {
5990 wpa_printf(MSG_DEBUG
, "P2P: %s called for an active GO",
5994 * If the frequency selection is done for an active P2P GO that
5995 * is not sharing a frequency, allow to select a new frequency
5996 * even if there are no unused frequencies as we are about to
5997 * move the P2P GO so its frequency can be re-used.
5999 for (i
= 0; i
< num
; i
++) {
6000 if (freqs
[i
].freq
== wpa_s
->current_ssid
->frequency
&&
6001 freqs
[i
].flags
== 0) {
6002 ignore_no_freqs
= 1;
6008 /* try using the forced freq */
6010 if (wpas_p2p_disallowed_freq(wpa_s
->global
, freq
) ||
6011 !freq_included(wpa_s
, channels
, freq
)) {
6012 wpa_printf(MSG_DEBUG
,
6013 "P2P: Forced GO freq %d MHz disallowed",
6017 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
)) {
6018 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
6019 ieee80211_is_dfs(freq
, wpa_s
->hw
.modes
,
6020 wpa_s
->hw
.num_modes
)) {
6022 * If freq is a DFS channel and DFS is offloaded
6023 * to the driver, allow P2P GO to use it.
6025 wpa_printf(MSG_DEBUG
,
6026 "P2P: %s: The forced channel for GO (%u MHz) requires DFS and DFS is offloaded",
6029 wpa_printf(MSG_DEBUG
,
6030 "P2P: The forced channel for GO (%u MHz) is not supported for P2P uses",
6036 for (i
= 0; i
< num
; i
++) {
6037 if (freqs
[i
].freq
== freq
) {
6038 wpa_printf(MSG_DEBUG
,
6039 "P2P: forced freq (%d MHz) is also shared",
6041 params
->freq
= freq
;
6046 if (!ignore_no_freqs
&& !unused_channels
) {
6047 wpa_printf(MSG_DEBUG
,
6048 "P2P: Cannot force GO on freq (%d MHz) as all the channels are in use",
6053 wpa_printf(MSG_DEBUG
,
6054 "P2P: force GO freq (%d MHz) on a free channel",
6056 params
->freq
= freq
;
6060 /* consider using one of the shared frequencies */
6062 (!wpa_s
->conf
->p2p_ignore_shared_freq
|| !unused_channels
)) {
6063 cand
= wpas_p2p_pick_best_used_freq(wpa_s
, freqs
, num
);
6064 if (wpas_p2p_supported_freq_go(wpa_s
, channels
, cand
)) {
6065 wpa_printf(MSG_DEBUG
,
6066 "P2P: Use shared freq (%d MHz) for GO",
6068 params
->freq
= cand
;
6072 /* try using one of the shared freqs */
6073 for (i
= 0; i
< num
; i
++) {
6074 if (wpas_p2p_supported_freq_go(wpa_s
, channels
,
6076 wpa_printf(MSG_DEBUG
,
6077 "P2P: Use shared freq (%d MHz) for GO",
6079 params
->freq
= freqs
[i
].freq
;
6085 if (!ignore_no_freqs
&& !unused_channels
) {
6086 wpa_printf(MSG_DEBUG
,
6087 "P2P: Cannot force GO on any of the channels we are already using");
6091 /* try using the setting from the configuration file */
6092 if (wpa_s
->conf
->p2p_oper_reg_class
== 81 &&
6093 wpa_s
->conf
->p2p_oper_channel
>= 1 &&
6094 wpa_s
->conf
->p2p_oper_channel
<= 11 &&
6095 wpas_p2p_supported_freq_go(
6097 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
)) {
6098 params
->freq
= 2407 + 5 * wpa_s
->conf
->p2p_oper_channel
;
6099 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
6100 "frequency %d MHz", params
->freq
);
6104 if ((wpa_s
->conf
->p2p_oper_reg_class
== 115 ||
6105 wpa_s
->conf
->p2p_oper_reg_class
== 116 ||
6106 wpa_s
->conf
->p2p_oper_reg_class
== 117 ||
6107 wpa_s
->conf
->p2p_oper_reg_class
== 124 ||
6108 wpa_s
->conf
->p2p_oper_reg_class
== 125 ||
6109 wpa_s
->conf
->p2p_oper_reg_class
== 126 ||
6110 wpa_s
->conf
->p2p_oper_reg_class
== 127) &&
6111 wpas_p2p_supported_freq_go(wpa_s
, channels
,
6113 5 * wpa_s
->conf
->p2p_oper_channel
)) {
6114 params
->freq
= 5000 + 5 * wpa_s
->conf
->p2p_oper_channel
;
6115 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on configured "
6116 "frequency %d MHz", params
->freq
);
6120 /* Try using best channels */
6121 if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
6122 wpa_s
->best_overall_freq
> 0 &&
6123 wpas_p2p_supported_freq_go(wpa_s
, channels
,
6124 wpa_s
->best_overall_freq
)) {
6125 params
->freq
= wpa_s
->best_overall_freq
;
6126 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best overall "
6127 "channel %d MHz", params
->freq
);
6131 if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
6132 wpa_s
->best_24_freq
> 0 &&
6133 wpas_p2p_supported_freq_go(wpa_s
, channels
,
6134 wpa_s
->best_24_freq
)) {
6135 params
->freq
= wpa_s
->best_24_freq
;
6136 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 2.4 GHz "
6137 "channel %d MHz", params
->freq
);
6141 if (wpa_s
->conf
->p2p_oper_channel
== 0 &&
6142 wpa_s
->best_5_freq
> 0 &&
6143 wpas_p2p_supported_freq_go(wpa_s
, channels
,
6144 wpa_s
->best_5_freq
)) {
6145 params
->freq
= wpa_s
->best_5_freq
;
6146 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq based on best 5 GHz "
6147 "channel %d MHz", params
->freq
);
6151 /* try using preferred channels */
6152 cand
= p2p_get_pref_freq(wpa_s
->global
->p2p
, channels
);
6153 if (cand
&& wpas_p2p_supported_freq_go(wpa_s
, channels
, cand
)) {
6154 params
->freq
= cand
;
6155 wpa_printf(MSG_DEBUG
, "P2P: Set GO freq %d MHz from preferred "
6156 "channels", params
->freq
);
6160 /* Try using a channel that allows VHT to be used with 80 MHz */
6161 if (wpa_s
->hw
.modes
&& wpa_s
->p2p_group_common_freqs
) {
6162 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++) {
6163 enum hostapd_hw_mode mode
;
6164 struct hostapd_hw_modes
*hwmode
;
6167 cand
= wpa_s
->p2p_group_common_freqs
[i
];
6168 mode
= ieee80211_freq_to_chan(cand
, &chan
);
6169 hwmode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
,
6172 wpas_p2p_verify_channel(wpa_s
, hwmode
, chan
,
6175 if (wpas_p2p_supported_freq_go(wpa_s
, channels
, cand
)) {
6176 params
->freq
= cand
;
6177 wpa_printf(MSG_DEBUG
,
6178 "P2P: Use freq %d MHz common with the peer and allowing VHT80",
6185 /* Try using a channel that allows HT to be used with 40 MHz on the same
6186 * band so that CSA can be used */
6187 if (wpa_s
->current_ssid
&& wpa_s
->hw
.modes
&&
6188 wpa_s
->p2p_group_common_freqs
) {
6189 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++) {
6190 enum hostapd_hw_mode mode
;
6191 struct hostapd_hw_modes
*hwmode
;
6194 cand
= wpa_s
->p2p_group_common_freqs
[i
];
6195 mode
= ieee80211_freq_to_chan(cand
, &chan
);
6196 hwmode
= get_mode(wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
,
6198 if (!wpas_same_band(wpa_s
->current_ssid
->frequency
,
6201 (wpas_p2p_verify_channel(wpa_s
, hwmode
, chan
,
6202 BW40MINUS
) != ALLOWED
&&
6203 wpas_p2p_verify_channel(wpa_s
, hwmode
, chan
,
6204 BW40PLUS
) != ALLOWED
))
6206 if (wpas_p2p_supported_freq_go(wpa_s
, channels
, cand
)) {
6207 params
->freq
= cand
;
6208 wpa_printf(MSG_DEBUG
,
6209 "P2P: Use freq %d MHz common with the peer, allowing HT40, and maintaining same band",
6216 /* Try using one of the group common freqs on the same band so that CSA
6218 if (wpa_s
->current_ssid
&& wpa_s
->p2p_group_common_freqs
) {
6219 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++) {
6220 cand
= wpa_s
->p2p_group_common_freqs
[i
];
6221 if (!wpas_same_band(wpa_s
->current_ssid
->frequency
,
6224 if (wpas_p2p_supported_freq_go(wpa_s
, channels
, cand
)) {
6225 params
->freq
= cand
;
6226 wpa_printf(MSG_DEBUG
,
6227 "P2P: Use freq %d MHz common with the peer and maintaining same band",
6234 /* Try using one of the group common freqs */
6235 if (wpa_s
->p2p_group_common_freqs
) {
6236 for (i
= 0; i
< wpa_s
->p2p_group_common_freqs_num
; i
++) {
6237 cand
= wpa_s
->p2p_group_common_freqs
[i
];
6238 if (wpas_p2p_supported_freq_go(wpa_s
, channels
, cand
)) {
6239 params
->freq
= cand
;
6240 wpa_printf(MSG_DEBUG
,
6241 "P2P: Use freq %d MHz common with the peer",
6248 /* no preference, select some channel */
6249 wpas_p2p_select_go_freq_no_pref(wpa_s
, params
, channels
);
6251 if (params
->freq
== 0) {
6252 wpa_printf(MSG_DEBUG
, "P2P: did not find a freq for GO use");
6265 static struct wpa_supplicant
*
6266 wpas_p2p_get_group_iface(struct wpa_supplicant
*wpa_s
, int addr_allocated
,
6269 struct wpa_supplicant
*group_wpa_s
;
6271 if (!wpas_p2p_create_iface(wpa_s
)) {
6272 if (wpa_s
->p2p_mgmt
) {
6274 * We may be called on the p2p_dev interface which
6275 * cannot be used for group operations, so always use
6276 * the primary interface.
6278 wpa_s
->parent
->p2pdev
= wpa_s
;
6279 wpa_s
= wpa_s
->parent
;
6281 wpa_dbg(wpa_s
, MSG_DEBUG
,
6282 "P2P: Use primary interface for group operations");
6283 wpa_s
->p2p_first_connection_timeout
= 0;
6284 if (wpa_s
!= wpa_s
->p2pdev
)
6285 wpas_p2p_clone_config(wpa_s
, wpa_s
->p2pdev
);
6289 if (wpas_p2p_add_group_interface(wpa_s
, go
? WPA_IF_P2P_GO
:
6290 WPA_IF_P2P_CLIENT
) < 0) {
6291 wpa_msg_global(wpa_s
, MSG_ERROR
,
6292 "P2P: Failed to add group interface");
6295 group_wpa_s
= wpas_p2p_init_group_interface(wpa_s
, go
);
6296 if (group_wpa_s
== NULL
) {
6297 wpa_msg_global(wpa_s
, MSG_ERROR
,
6298 "P2P: Failed to initialize group interface");
6299 wpas_p2p_remove_pending_group_interface(wpa_s
);
6303 if (go
&& wpa_s
->p2p_go_do_acs
) {
6304 group_wpa_s
->p2p_go_do_acs
= wpa_s
->p2p_go_do_acs
;
6305 group_wpa_s
->p2p_go_acs_band
= wpa_s
->p2p_go_acs_band
;
6306 wpa_s
->p2p_go_do_acs
= 0;
6309 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use separate group interface %s",
6310 group_wpa_s
->ifname
);
6311 group_wpa_s
->p2p_first_connection_timeout
= 0;
6317 * wpas_p2p_group_add - Add a new P2P group with local end as Group Owner
6318 * @wpa_s: Pointer to wpa_supplicant data from wpa_supplicant_add_iface()
6319 * @persistent_group: Whether to create a persistent group
6320 * @freq: Frequency for the group or 0 to indicate no hardcoding
6321 * @vht_center_freq2: segment_1 center frequency for GO operating in VHT 80P80
6322 * @ht40: Start GO with 40 MHz channel width
6323 * @vht: Start GO with VHT support
6324 * @vht_chwidth: channel bandwidth for GO operating with VHT support
6325 * Returns: 0 on success, -1 on failure
6327 * This function creates a new P2P group with the local end as the Group Owner,
6328 * i.e., without using Group Owner Negotiation.
6330 int wpas_p2p_group_add(struct wpa_supplicant
*wpa_s
, int persistent_group
,
6331 int freq
, int vht_center_freq2
, int ht40
, int vht
,
6332 int max_oper_chwidth
, int he
)
6334 struct p2p_go_neg_results params
;
6336 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6339 os_free(wpa_s
->global
->add_psk
);
6340 wpa_s
->global
->add_psk
= NULL
;
6342 /* Make sure we are not running find during connection establishment */
6343 wpa_printf(MSG_DEBUG
, "P2P: Stop any on-going P2P FIND");
6344 wpas_p2p_stop_find_oper(wpa_s
);
6346 if (!wpa_s
->p2p_go_do_acs
) {
6347 freq
= wpas_p2p_select_go_freq(wpa_s
, freq
);
6352 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, vht_center_freq2
,
6353 ht40
, vht
, max_oper_chwidth
, he
, NULL
))
6356 p2p_go_params(wpa_s
->global
->p2p
, ¶ms
);
6357 params
.persistent_group
= persistent_group
;
6359 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, 0, 1);
6362 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
6368 static int wpas_start_p2p_client(struct wpa_supplicant
*wpa_s
,
6369 struct wpa_ssid
*params
, int addr_allocated
,
6370 int freq
, int force_scan
)
6372 struct wpa_ssid
*ssid
;
6374 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 0);
6378 os_get_reltime(&wpa_s
->scan_min_time
);
6379 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
6381 wpa_supplicant_ap_deinit(wpa_s
);
6383 ssid
= wpa_config_add_network(wpa_s
->conf
);
6386 os_memset(wpa_s
->go_dev_addr
, 0, ETH_ALEN
);
6387 wpa_config_set_network_defaults(ssid
);
6388 ssid
->temporary
= 1;
6389 ssid
->proto
= WPA_PROTO_RSN
;
6390 ssid
->pbss
= params
->pbss
;
6391 ssid
->pairwise_cipher
= params
->pbss
? WPA_CIPHER_GCMP
:
6393 ssid
->group_cipher
= params
->pbss
? WPA_CIPHER_GCMP
: WPA_CIPHER_CCMP
;
6394 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
6395 ssid
->ssid
= os_malloc(params
->ssid_len
);
6396 if (ssid
->ssid
== NULL
) {
6397 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
6400 os_memcpy(ssid
->ssid
, params
->ssid
, params
->ssid_len
);
6401 ssid
->ssid_len
= params
->ssid_len
;
6402 ssid
->p2p_group
= 1;
6403 ssid
->export_keys
= 1;
6404 if (params
->psk_set
) {
6405 os_memcpy(ssid
->psk
, params
->psk
, 32);
6408 if (params
->passphrase
)
6409 ssid
->passphrase
= os_strdup(params
->passphrase
);
6411 wpa_s
->show_group_started
= 1;
6412 wpa_s
->p2p_in_invitation
= 1;
6413 wpa_s
->p2p_invite_go_freq
= freq
;
6414 wpa_s
->p2p_go_group_formation_completed
= 0;
6415 wpa_s
->global
->p2p_group_formation
= wpa_s
;
6417 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->p2pdev
,
6419 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
6420 wpas_p2p_group_formation_timeout
,
6421 wpa_s
->p2pdev
, NULL
);
6422 wpa_supplicant_select_network(wpa_s
, ssid
);
6428 int wpas_p2p_group_add_persistent(struct wpa_supplicant
*wpa_s
,
6429 struct wpa_ssid
*ssid
, int addr_allocated
,
6430 int force_freq
, int neg_freq
,
6431 int vht_center_freq2
, int ht40
,
6432 int vht
, int max_oper_chwidth
, int he
,
6433 const struct p2p_channels
*channels
,
6434 int connection_timeout
, int force_scan
)
6436 struct p2p_go_neg_results params
;
6439 if (ssid
->disabled
!= 2 || ssid
->ssid
== NULL
)
6442 if (wpas_get_p2p_group(wpa_s
, ssid
->ssid
, ssid
->ssid_len
, &go
) &&
6443 go
== (ssid
->mode
== WPAS_MODE_P2P_GO
)) {
6444 wpa_printf(MSG_DEBUG
, "P2P: Requested persistent group is "
6447 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
6448 wpa_s
->p2pdev
, NULL
)) {
6450 * This can happen if Invitation Response frame was lost
6451 * and the peer (GO of a persistent group) tries to
6452 * invite us again. Reschedule the timeout to avoid
6453 * terminating the wait for the connection too early
6454 * since we now know that the peer is still trying to
6455 * invite us instead of having already started the GO.
6457 wpa_printf(MSG_DEBUG
,
6458 "P2P: Reschedule group formation timeout since peer is still trying to invite us");
6459 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
6460 wpas_p2p_group_formation_timeout
,
6461 wpa_s
->p2pdev
, NULL
);
6466 os_free(wpa_s
->global
->add_psk
);
6467 wpa_s
->global
->add_psk
= NULL
;
6469 /* Make sure we are not running find during connection establishment */
6470 wpas_p2p_stop_find_oper(wpa_s
);
6472 wpa_s
->p2p_fallback_to_go_neg
= 0;
6474 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
6475 if (force_freq
> 0) {
6476 freq
= wpas_p2p_select_go_freq(wpa_s
, force_freq
);
6480 freq
= wpas_p2p_select_go_freq(wpa_s
, neg_freq
);
6482 (freq
> 0 && !freq_included(wpa_s
, channels
, freq
)))
6485 } else if (ssid
->mode
== WPAS_MODE_INFRA
) {
6487 if (freq
<= 0 || !freq_included(wpa_s
, channels
, freq
)) {
6488 struct os_reltime now
;
6489 struct wpa_bss
*bss
=
6490 wpa_bss_get_p2p_dev_addr(wpa_s
, ssid
->bssid
);
6492 os_get_reltime(&now
);
6494 !os_reltime_expired(&now
, &bss
->last_update
, 5) &&
6495 freq_included(wpa_s
, channels
, bss
->freq
))
6501 return wpas_start_p2p_client(wpa_s
, ssid
, addr_allocated
, freq
,
6507 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, freq
, vht_center_freq2
,
6508 ht40
, vht
, max_oper_chwidth
, he
, channels
))
6512 params
.psk_set
= ssid
->psk_set
;
6514 os_memcpy(params
.psk
, ssid
->psk
, sizeof(params
.psk
));
6515 if (ssid
->passphrase
) {
6516 if (os_strlen(ssid
->passphrase
) >= sizeof(params
.passphrase
)) {
6517 wpa_printf(MSG_ERROR
, "P2P: Invalid passphrase in "
6518 "persistent group");
6521 os_strlcpy(params
.passphrase
, ssid
->passphrase
,
6522 sizeof(params
.passphrase
));
6524 os_memcpy(params
.ssid
, ssid
->ssid
, ssid
->ssid_len
);
6525 params
.ssid_len
= ssid
->ssid_len
;
6526 params
.persistent_group
= 1;
6528 wpa_s
= wpas_p2p_get_group_iface(wpa_s
, addr_allocated
, 1);
6532 p2p_channels_to_freqs(channels
, params
.freq_list
, P2P_MAX_CHANNELS
);
6534 wpa_s
->p2p_first_connection_timeout
= connection_timeout
;
6535 wpas_start_wps_go(wpa_s
, ¶ms
, 0);
6541 static void wpas_p2p_ie_update(void *ctx
, struct wpabuf
*beacon_ies
,
6542 struct wpabuf
*proberesp_ies
)
6544 struct wpa_supplicant
*wpa_s
= ctx
;
6545 if (wpa_s
->ap_iface
) {
6546 struct hostapd_data
*hapd
= wpa_s
->ap_iface
->bss
[0];
6547 if (!(hapd
->conf
->p2p
& P2P_GROUP_OWNER
)) {
6548 wpabuf_free(beacon_ies
);
6549 wpabuf_free(proberesp_ies
);
6553 wpabuf_free(hapd
->p2p_beacon_ie
);
6554 hapd
->p2p_beacon_ie
= beacon_ies
;
6556 wpabuf_free(hapd
->p2p_probe_resp_ie
);
6557 hapd
->p2p_probe_resp_ie
= proberesp_ies
;
6559 wpabuf_free(beacon_ies
);
6560 wpabuf_free(proberesp_ies
);
6562 wpa_supplicant_ap_update_beacon(wpa_s
);
6566 static void wpas_p2p_idle_update(void *ctx
, int idle
)
6568 struct wpa_supplicant
*wpa_s
= ctx
;
6569 if (!wpa_s
->ap_iface
)
6571 wpa_printf(MSG_DEBUG
, "P2P: GO - group %sidle", idle
? "" : "not ");
6573 if (wpa_s
->global
->p2p_fail_on_wps_complete
&&
6574 wpa_s
->p2p_in_provisioning
) {
6575 wpas_p2p_grpform_fail_after_wps(wpa_s
);
6578 wpas_p2p_set_group_idle_timeout(wpa_s
);
6580 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
);
6584 struct p2p_group
* wpas_p2p_group_init(struct wpa_supplicant
*wpa_s
,
6585 struct wpa_ssid
*ssid
)
6587 struct p2p_group
*group
;
6588 struct p2p_group_config
*cfg
;
6590 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
||
6594 cfg
= os_zalloc(sizeof(*cfg
));
6598 if (ssid
->p2p_persistent_group
&& wpa_s
->conf
->persistent_reconnect
)
6599 cfg
->persistent_group
= 2;
6600 else if (ssid
->p2p_persistent_group
)
6601 cfg
->persistent_group
= 1;
6602 os_memcpy(cfg
->interface_addr
, wpa_s
->own_addr
, ETH_ALEN
);
6603 if (wpa_s
->max_stations
&&
6604 wpa_s
->max_stations
< wpa_s
->conf
->max_num_sta
)
6605 cfg
->max_clients
= wpa_s
->max_stations
;
6607 cfg
->max_clients
= wpa_s
->conf
->max_num_sta
;
6608 os_memcpy(cfg
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
6609 cfg
->ssid_len
= ssid
->ssid_len
;
6610 cfg
->freq
= ssid
->frequency
;
6611 cfg
->cb_ctx
= wpa_s
;
6612 cfg
->ie_update
= wpas_p2p_ie_update
;
6613 cfg
->idle_update
= wpas_p2p_idle_update
;
6614 cfg
->ip_addr_alloc
= WPA_GET_BE32(wpa_s
->p2pdev
->conf
->ip_addr_start
)
6617 group
= p2p_group_init(wpa_s
->global
->p2p
, cfg
);
6620 if (ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
)
6621 p2p_group_notif_formation_done(group
);
6622 wpa_s
->p2p_group
= group
;
6627 void wpas_p2p_wps_success(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
6630 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6632 if (!wpa_s
->p2p_in_provisioning
) {
6633 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS success event - P2P "
6634 "provisioning not in progress");
6638 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
6639 u8 go_dev_addr
[ETH_ALEN
];
6640 os_memcpy(go_dev_addr
, wpa_s
->bssid
, ETH_ALEN
);
6641 wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
6643 /* Clear any stored provisioning info */
6644 p2p_clear_provisioning_info(wpa_s
->global
->p2p
, go_dev_addr
);
6647 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
, wpa_s
->p2pdev
,
6649 wpa_s
->p2p_go_group_formation_completed
= 1;
6650 if (ssid
&& ssid
->mode
== WPAS_MODE_INFRA
) {
6652 * Use a separate timeout for initial data connection to
6653 * complete to allow the group to be removed automatically if
6654 * something goes wrong in this step before the P2P group idle
6655 * timeout mechanism is taken into use.
6657 wpa_dbg(wpa_s
, MSG_DEBUG
,
6658 "P2P: Re-start group formation timeout (%d seconds) as client for initial connection",
6659 P2P_MAX_INITIAL_CONN_WAIT
);
6660 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT
, 0,
6661 wpas_p2p_group_formation_timeout
,
6662 wpa_s
->p2pdev
, NULL
);
6663 /* Complete group formation on successful data connection. */
6664 wpa_s
->p2p_go_group_formation_completed
= 0;
6667 * Use a separate timeout for initial data connection to
6668 * complete to allow the group to be removed automatically if
6669 * the client does not complete data connection successfully.
6671 wpa_dbg(wpa_s
, MSG_DEBUG
,
6672 "P2P: Re-start group formation timeout (%d seconds) as GO for initial connection",
6673 P2P_MAX_INITIAL_CONN_WAIT_GO
);
6674 eloop_register_timeout(P2P_MAX_INITIAL_CONN_WAIT_GO
, 0,
6675 wpas_p2p_group_formation_timeout
,
6676 wpa_s
->p2pdev
, NULL
);
6678 * Complete group formation on first successful data connection
6680 wpa_s
->p2p_go_group_formation_completed
= 0;
6682 if (wpa_s
->global
->p2p
)
6683 p2p_wps_success_cb(wpa_s
->global
->p2p
, peer_addr
);
6684 wpas_group_formation_completed(wpa_s
, 1, 0);
6688 void wpas_p2p_wps_failed(struct wpa_supplicant
*wpa_s
,
6689 struct wps_event_fail
*fail
)
6691 if (!wpa_s
->p2p_in_provisioning
) {
6692 wpa_printf(MSG_DEBUG
, "P2P: Ignore WPS fail event - P2P "
6693 "provisioning not in progress");
6697 if (wpa_s
->go_params
) {
6698 p2p_clear_provisioning_info(
6700 wpa_s
->go_params
->peer_device_addr
);
6703 wpas_notify_p2p_wps_failed(wpa_s
, fail
);
6705 if (wpa_s
== wpa_s
->global
->p2p_group_formation
) {
6707 * Allow some time for the failed WPS negotiation exchange to
6708 * complete, but remove the group since group formation cannot
6709 * succeed after provisioning failure.
6711 wpa_printf(MSG_DEBUG
, "P2P: WPS step failed during group formation - reject connection from timeout");
6712 wpa_s
->global
->p2p_fail_on_wps_complete
= 1;
6713 eloop_deplete_timeout(0, 50000,
6714 wpas_p2p_group_formation_timeout
,
6715 wpa_s
->p2pdev
, NULL
);
6720 int wpas_p2p_wps_eapol_cb(struct wpa_supplicant
*wpa_s
)
6722 if (!wpa_s
->global
->p2p_fail_on_wps_complete
||
6723 !wpa_s
->p2p_in_provisioning
)
6726 wpas_p2p_grpform_fail_after_wps(wpa_s
);
6732 int wpas_p2p_prov_disc(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
6733 const char *config_method
,
6734 enum wpas_p2p_prov_disc_use use
,
6735 struct p2ps_provision
*p2ps_prov
)
6739 wpa_s
->global
->pending_p2ps_group
= 0;
6740 wpa_s
->global
->pending_p2ps_group_freq
= 0;
6741 wpa_s
->p2p_fallback_to_go_neg
= 0;
6742 wpa_s
->pending_pd_use
= NORMAL_PD
;
6743 if (p2ps_prov
&& use
== WPAS_P2P_PD_FOR_ASP
) {
6744 p2ps_prov
->conncap
= p2ps_group_capability(
6745 wpa_s
, P2PS_SETUP_NONE
, p2ps_prov
->role
,
6746 &p2ps_prov
->force_freq
, &p2ps_prov
->pref_freq
);
6748 wpa_printf(MSG_DEBUG
,
6749 "P2P: %s conncap: %d - ASP parsed: %x %x %d %s",
6750 __func__
, p2ps_prov
->conncap
,
6751 p2ps_prov
->adv_id
, p2ps_prov
->conncap
,
6752 p2ps_prov
->status
, p2ps_prov
->info
);
6755 } else if (os_strncmp(config_method
, "display", 7) == 0)
6756 config_methods
= WPS_CONFIG_DISPLAY
;
6757 else if (os_strncmp(config_method
, "keypad", 6) == 0)
6758 config_methods
= WPS_CONFIG_KEYPAD
;
6759 else if (os_strncmp(config_method
, "pbc", 3) == 0 ||
6760 os_strncmp(config_method
, "pushbutton", 10) == 0)
6761 config_methods
= WPS_CONFIG_PUSHBUTTON
;
6763 wpa_printf(MSG_DEBUG
, "P2P: Unknown config method");
6768 if (use
== WPAS_P2P_PD_AUTO
) {
6769 os_memcpy(wpa_s
->pending_join_dev_addr
, peer_addr
, ETH_ALEN
);
6770 wpa_s
->pending_pd_config_methods
= config_methods
;
6771 wpa_s
->p2p_auto_pd
= 1;
6772 wpa_s
->p2p_auto_join
= 0;
6773 wpa_s
->pending_pd_before_join
= 0;
6774 wpa_s
->auto_pd_scan_retry
= 0;
6775 wpas_p2p_stop_find(wpa_s
);
6776 wpa_s
->p2p_join_scan_count
= 0;
6777 os_get_reltime(&wpa_s
->p2p_auto_started
);
6778 wpa_printf(MSG_DEBUG
, "P2P: Auto PD started at %ld.%06ld",
6779 wpa_s
->p2p_auto_started
.sec
,
6780 wpa_s
->p2p_auto_started
.usec
);
6781 wpas_p2p_join_scan(wpa_s
, NULL
);
6785 if (wpa_s
->global
->p2p
== NULL
|| wpa_s
->global
->p2p_disabled
) {
6790 return p2p_prov_disc_req(wpa_s
->global
->p2p
, peer_addr
, p2ps_prov
,
6791 config_methods
, use
== WPAS_P2P_PD_FOR_JOIN
,
6796 int wpas_p2p_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
6799 return p2p_scan_result_text(ies
, ies_len
, buf
, end
);
6803 static void wpas_p2p_clear_pending_action_tx(struct wpa_supplicant
*wpa_s
)
6805 if (!offchannel_pending_action_tx(wpa_s
))
6808 if (wpa_s
->p2p_send_action_work
) {
6809 wpas_p2p_free_send_action_work(wpa_s
);
6810 eloop_cancel_timeout(wpas_p2p_send_action_work_timeout
,
6812 offchannel_send_action_done(wpa_s
);
6815 wpa_printf(MSG_DEBUG
, "P2P: Drop pending Action TX due to new "
6816 "operation request");
6817 offchannel_clear_pending_action_tx(wpa_s
);
6821 int wpas_p2p_find(struct wpa_supplicant
*wpa_s
, unsigned int timeout
,
6822 enum p2p_discovery_type type
,
6823 unsigned int num_req_dev_types
, const u8
*req_dev_types
,
6824 const u8
*dev_id
, unsigned int search_delay
,
6825 u8 seek_cnt
, const char **seek_string
, int freq
)
6827 wpas_p2p_clear_pending_action_tx(wpa_s
);
6828 wpa_s
->p2p_long_listen
= 0;
6830 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
||
6831 wpa_s
->p2p_in_provisioning
) {
6832 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Reject p2p_find operation%s%s",
6833 (wpa_s
->global
->p2p_disabled
|| !wpa_s
->global
->p2p
) ?
6834 " (P2P disabled)" : "",
6835 wpa_s
->p2p_in_provisioning
?
6836 " (p2p_in_provisioning)" : "");
6840 wpa_supplicant_cancel_sched_scan(wpa_s
);
6842 return p2p_find(wpa_s
->global
->p2p
, timeout
, type
,
6843 num_req_dev_types
, req_dev_types
, dev_id
,
6844 search_delay
, seek_cnt
, seek_string
, freq
);
6848 static void wpas_p2p_scan_res_ignore_search(struct wpa_supplicant
*wpa_s
,
6849 struct wpa_scan_results
*scan_res
)
6851 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
6853 if (wpa_s
->p2p_scan_work
) {
6854 struct wpa_radio_work
*work
= wpa_s
->p2p_scan_work
;
6855 wpa_s
->p2p_scan_work
= NULL
;
6856 radio_work_done(work
);
6859 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6863 * Indicate that results have been processed so that the P2P module can
6864 * continue pending tasks.
6866 p2p_scan_res_handled(wpa_s
->global
->p2p
);
6870 static void wpas_p2p_stop_find_oper(struct wpa_supplicant
*wpa_s
)
6872 wpas_p2p_clear_pending_action_tx(wpa_s
);
6873 wpa_s
->p2p_long_listen
= 0;
6874 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
6875 eloop_cancel_timeout(wpas_p2p_join_scan
, wpa_s
, NULL
);
6877 if (wpa_s
->global
->p2p
)
6878 p2p_stop_find(wpa_s
->global
->p2p
);
6880 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_handler
) {
6881 wpa_printf(MSG_DEBUG
,
6882 "P2P: Do not consider the scan results after stop_find");
6883 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore_search
;
6888 void wpas_p2p_stop_find(struct wpa_supplicant
*wpa_s
)
6890 wpas_p2p_stop_find_oper(wpa_s
);
6891 if (!wpa_s
->global
->pending_group_iface_for_p2ps
)
6892 wpas_p2p_remove_pending_group_interface(wpa_s
);
6896 static void wpas_p2p_long_listen_timeout(void *eloop_ctx
, void *timeout_ctx
)
6898 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
6899 wpa_s
->p2p_long_listen
= 0;
6903 int wpas_p2p_listen(struct wpa_supplicant
*wpa_s
, unsigned int timeout
)
6907 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
6910 if (wpa_s
->p2p_lo_started
) {
6911 wpa_printf(MSG_DEBUG
,
6912 "P2P: Cannot start P2P listen, it is offloaded");
6916 wpa_supplicant_cancel_sched_scan(wpa_s
);
6917 wpas_p2p_clear_pending_action_tx(wpa_s
);
6921 * This is a request for unlimited Listen state. However, at
6922 * least for now, this is mapped to a Listen state for one
6927 eloop_cancel_timeout(wpas_p2p_long_listen_timeout
, wpa_s
, NULL
);
6928 wpa_s
->p2p_long_listen
= 0;
6931 * Stop previous find/listen operation to avoid trying to request a new
6932 * remain-on-channel operation while the driver is still running the
6935 if (wpa_s
->global
->p2p
)
6936 p2p_stop_find(wpa_s
->global
->p2p
);
6938 res
= wpas_p2p_listen_start(wpa_s
, timeout
* 1000);
6939 if (res
== 0 && timeout
* 1000 > wpa_s
->max_remain_on_chan
) {
6940 wpa_s
->p2p_long_listen
= timeout
* 1000;
6941 eloop_register_timeout(timeout
, 0,
6942 wpas_p2p_long_listen_timeout
,
6950 int wpas_p2p_assoc_req_ie(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
6951 u8
*buf
, size_t len
, int p2p_group
)
6953 struct wpabuf
*p2p_ie
;
6956 if (wpa_s
->global
->p2p_disabled
)
6959 * Advertize mandatory cross connection capability even on
6960 * p2p_disabled=1 interface when associating with a P2P Manager WLAN AP.
6962 if (wpa_s
->conf
->p2p_disabled
&& p2p_group
)
6964 if (wpa_s
->global
->p2p
== NULL
)
6969 p2p_ie
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
6970 ret
= p2p_assoc_req_ie(wpa_s
->global
->p2p
, bss
->bssid
, buf
, len
,
6972 wpabuf_free(p2p_ie
);
6978 int wpas_p2p_probe_req_rx(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
6979 const u8
*dst
, const u8
*bssid
,
6980 const u8
*ie
, size_t ie_len
,
6981 unsigned int rx_freq
, int ssi_signal
)
6983 if (wpa_s
->global
->p2p_disabled
)
6985 if (wpa_s
->global
->p2p
== NULL
)
6988 switch (p2p_probe_req_rx(wpa_s
->global
->p2p
, addr
, dst
, bssid
,
6989 ie
, ie_len
, rx_freq
, wpa_s
->p2p_lo_started
)) {
6990 case P2P_PREQ_NOT_P2P
:
6991 wpas_notify_preq(wpa_s
, addr
, dst
, bssid
, ie
, ie_len
,
6994 case P2P_PREQ_MALFORMED
:
6995 case P2P_PREQ_NOT_LISTEN
:
6996 case P2P_PREQ_NOT_PROCESSED
:
6997 default: /* make gcc happy */
6999 case P2P_PREQ_PROCESSED
:
7005 void wpas_p2p_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*da
,
7006 const u8
*sa
, const u8
*bssid
,
7007 u8 category
, const u8
*data
, size_t len
, int freq
)
7009 if (wpa_s
->global
->p2p_disabled
)
7011 if (wpa_s
->global
->p2p
== NULL
)
7014 p2p_rx_action(wpa_s
->global
->p2p
, da
, sa
, bssid
, category
, data
, len
,
7019 void wpas_p2p_scan_ie(struct wpa_supplicant
*wpa_s
, struct wpabuf
*ies
)
7023 if (wpa_s
->global
->p2p_disabled
)
7025 if (wpa_s
->global
->p2p
== NULL
)
7028 bands
= wpas_get_bands(wpa_s
, NULL
);
7029 p2p_scan_ie(wpa_s
->global
->p2p
, ies
, NULL
, bands
);
7033 static void wpas_p2p_group_deinit(struct wpa_supplicant
*wpa_s
)
7035 p2p_group_deinit(wpa_s
->p2p_group
);
7036 wpa_s
->p2p_group
= NULL
;
7038 wpa_s
->ap_configured_cb
= NULL
;
7039 wpa_s
->ap_configured_cb_ctx
= NULL
;
7040 wpa_s
->ap_configured_cb_data
= NULL
;
7041 wpa_s
->connect_without_scan
= NULL
;
7045 int wpas_p2p_reject(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
7047 wpa_s
->p2p_long_listen
= 0;
7049 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7052 return p2p_reject(wpa_s
->global
->p2p
, addr
);
7056 /* Invite to reinvoke a persistent group */
7057 int wpas_p2p_invite(struct wpa_supplicant
*wpa_s
, const u8
*peer_addr
,
7058 struct wpa_ssid
*ssid
, const u8
*go_dev_addr
, int freq
,
7059 int vht_center_freq2
, int ht40
, int vht
, int max_chwidth
,
7060 int pref_freq
, int he
)
7062 enum p2p_invite_role role
;
7066 int no_pref_freq_given
= pref_freq
== 0;
7067 unsigned int pref_freq_list
[P2P_MAX_PREF_CHANNELS
], size
;
7069 wpa_s
->global
->p2p_invite_group
= NULL
;
7071 os_memcpy(wpa_s
->p2p_auth_invite
, peer_addr
, ETH_ALEN
);
7073 os_memset(wpa_s
->p2p_auth_invite
, 0, ETH_ALEN
);
7075 wpa_s
->p2p_persistent_go_freq
= freq
;
7076 wpa_s
->p2p_go_ht40
= !!ht40
;
7077 wpa_s
->p2p_go_vht
= !!vht
;
7078 wpa_s
->p2p_go_he
= !!he
;
7079 wpa_s
->p2p_go_max_oper_chwidth
= max_chwidth
;
7080 wpa_s
->p2p_go_vht_center_freq2
= vht_center_freq2
;
7081 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
7082 role
= P2P_INVITE_ROLE_GO
;
7083 if (peer_addr
== NULL
) {
7084 wpa_printf(MSG_DEBUG
, "P2P: Missing peer "
7085 "address in invitation command");
7088 if (wpas_p2p_create_iface(wpa_s
)) {
7089 if (wpas_p2p_add_group_interface(wpa_s
,
7090 WPA_IF_P2P_GO
) < 0) {
7091 wpa_printf(MSG_ERROR
, "P2P: Failed to "
7092 "allocate a new interface for the "
7096 bssid
= wpa_s
->pending_interface_addr
;
7097 } else if (wpa_s
->p2p_mgmt
)
7098 bssid
= wpa_s
->parent
->own_addr
;
7100 bssid
= wpa_s
->own_addr
;
7102 role
= P2P_INVITE_ROLE_CLIENT
;
7103 peer_addr
= ssid
->bssid
;
7105 wpa_s
->pending_invite_ssid_id
= ssid
->id
;
7107 size
= P2P_MAX_PREF_CHANNELS
;
7108 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
7109 role
== P2P_INVITE_ROLE_GO
,
7110 pref_freq_list
, &size
);
7114 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7117 p2p_set_own_pref_freq_list(wpa_s
->global
->p2p
, pref_freq_list
, size
);
7119 if (wpa_s
->parent
->conf
->p2p_ignore_shared_freq
&&
7120 no_pref_freq_given
&& pref_freq
> 0 &&
7121 wpa_s
->num_multichan_concurrent
> 1 &&
7122 wpas_p2p_num_unused_channels(wpa_s
) > 0) {
7123 wpa_printf(MSG_DEBUG
, "P2P: Ignore own channel preference %d MHz for invitation due to p2p_ignore_shared_freq=1 configuration",
7129 * Stop any find/listen operations before invitation and possibly
7130 * connection establishment.
7132 wpas_p2p_stop_find_oper(wpa_s
);
7134 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
7135 ssid
->ssid
, ssid
->ssid_len
, force_freq
, go_dev_addr
,
7140 /* Invite to join an active group */
7141 int wpas_p2p_invite_group(struct wpa_supplicant
*wpa_s
, const char *ifname
,
7142 const u8
*peer_addr
, const u8
*go_dev_addr
)
7144 struct wpa_global
*global
= wpa_s
->global
;
7145 enum p2p_invite_role role
;
7147 struct wpa_ssid
*ssid
;
7149 int freq
= 0, force_freq
= 0, pref_freq
= 0;
7151 unsigned int pref_freq_list
[P2P_MAX_PREF_CHANNELS
], size
;
7153 wpa_s
->p2p_persistent_go_freq
= 0;
7154 wpa_s
->p2p_go_ht40
= 0;
7155 wpa_s
->p2p_go_vht
= 0;
7156 wpa_s
->p2p_go_vht_center_freq2
= 0;
7157 wpa_s
->p2p_go_max_oper_chwidth
= 0;
7159 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
7160 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
7163 if (wpa_s
== NULL
) {
7164 wpa_printf(MSG_DEBUG
, "P2P: Interface '%s' not found", ifname
);
7168 ssid
= wpa_s
->current_ssid
;
7170 wpa_printf(MSG_DEBUG
, "P2P: No current SSID to use for "
7175 wpa_s
->global
->p2p_invite_group
= wpa_s
;
7176 persistent
= ssid
->p2p_persistent_group
&&
7177 wpas_p2p_get_persistent(wpa_s
->p2pdev
, peer_addr
,
7178 ssid
->ssid
, ssid
->ssid_len
);
7180 if (ssid
->mode
== WPAS_MODE_P2P_GO
) {
7181 role
= P2P_INVITE_ROLE_ACTIVE_GO
;
7182 bssid
= wpa_s
->own_addr
;
7183 if (go_dev_addr
== NULL
)
7184 go_dev_addr
= wpa_s
->global
->p2p_dev_addr
;
7185 freq
= ssid
->frequency
;
7187 role
= P2P_INVITE_ROLE_CLIENT
;
7188 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
) {
7189 wpa_printf(MSG_DEBUG
, "P2P: Not associated - cannot "
7190 "invite to current group");
7193 bssid
= wpa_s
->bssid
;
7194 if (go_dev_addr
== NULL
&&
7195 !is_zero_ether_addr(wpa_s
->go_dev_addr
))
7196 go_dev_addr
= wpa_s
->go_dev_addr
;
7197 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
7198 (int) wpa_s
->assoc_freq
;
7200 wpa_s
->p2pdev
->pending_invite_ssid_id
= -1;
7202 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7205 size
= P2P_MAX_PREF_CHANNELS
;
7206 res
= wpas_p2p_setup_freqs(wpa_s
, freq
, &force_freq
, &pref_freq
,
7207 role
== P2P_INVITE_ROLE_ACTIVE_GO
,
7208 pref_freq_list
, &size
);
7211 wpas_p2p_set_own_freq_preference(wpa_s
, force_freq
);
7213 return p2p_invite(wpa_s
->global
->p2p
, peer_addr
, role
, bssid
,
7214 ssid
->ssid
, ssid
->ssid_len
, force_freq
,
7215 go_dev_addr
, persistent
, pref_freq
, -1);
7219 void wpas_p2p_completed(struct wpa_supplicant
*wpa_s
)
7221 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
7222 u8 go_dev_addr
[ETH_ALEN
];
7225 u8 ip
[3 * 4], *ip_ptr
= NULL
;
7228 if (ssid
== NULL
|| ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
) {
7229 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7230 wpa_s
->p2pdev
, NULL
);
7233 if (!wpa_s
->show_group_started
|| !ssid
)
7236 wpa_s
->show_group_started
= 0;
7237 if (!wpa_s
->p2p_go_group_formation_completed
&&
7238 wpa_s
->global
->p2p_group_formation
== wpa_s
) {
7239 wpa_dbg(wpa_s
, MSG_DEBUG
,
7240 "P2P: Marking group formation completed on client on data connection");
7241 wpa_s
->p2p_go_group_formation_completed
= 1;
7242 wpa_s
->global
->p2p_group_formation
= NULL
;
7243 wpa_s
->p2p_in_provisioning
= 0;
7244 wpa_s
->p2p_in_invitation
= 0;
7247 os_memset(go_dev_addr
, 0, ETH_ALEN
);
7248 if (ssid
->bssid_set
)
7249 os_memcpy(go_dev_addr
, ssid
->bssid
, ETH_ALEN
);
7250 persistent
= wpas_p2p_persistent_group(wpa_s
, go_dev_addr
, ssid
->ssid
,
7252 os_memcpy(wpa_s
->go_dev_addr
, go_dev_addr
, ETH_ALEN
);
7254 if (wpa_s
->global
->p2p_group_formation
== wpa_s
)
7255 wpa_s
->global
->p2p_group_formation
= NULL
;
7257 freq
= wpa_s
->current_bss
? wpa_s
->current_bss
->freq
:
7258 (int) wpa_s
->assoc_freq
;
7261 if (wpa_sm_get_p2p_ip_addr(wpa_s
->wpa
, ip
) == 0) {
7264 res
= os_snprintf(ip_addr
, sizeof(ip_addr
),
7265 " ip_addr=%u.%u.%u.%u "
7266 "ip_mask=%u.%u.%u.%u go_ip_addr=%u.%u.%u.%u",
7267 ip
[0], ip
[1], ip
[2], ip
[3],
7268 ip
[4], ip
[5], ip
[6], ip
[7],
7269 ip
[8], ip
[9], ip
[10], ip
[11]);
7270 if (os_snprintf_error(sizeof(ip_addr
), res
))
7275 wpas_p2p_group_started(wpa_s
, 0, ssid
, freq
,
7276 ssid
->passphrase
== NULL
&& ssid
->psk_set
?
7278 ssid
->passphrase
, go_dev_addr
, persistent
,
7282 wpas_p2p_store_persistent_group(wpa_s
->p2pdev
,
7285 wpas_notify_p2p_group_started(wpa_s
, ssid
, persistent
, 1, ip_ptr
);
7289 int wpas_p2p_presence_req(struct wpa_supplicant
*wpa_s
, u32 duration1
,
7290 u32 interval1
, u32 duration2
, u32 interval2
)
7294 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7297 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
7298 wpa_s
->current_ssid
== NULL
||
7299 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
7302 ret
= p2p_presence_req(wpa_s
->global
->p2p
, wpa_s
->bssid
,
7303 wpa_s
->own_addr
, wpa_s
->assoc_freq
,
7304 duration1
, interval1
, duration2
, interval2
);
7306 wpa_s
->waiting_presence_resp
= 1;
7312 int wpas_p2p_ext_listen(struct wpa_supplicant
*wpa_s
, unsigned int period
,
7313 unsigned int interval
)
7315 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7318 return p2p_ext_listen(wpa_s
->global
->p2p
, period
, interval
);
7322 static int wpas_p2p_is_client(struct wpa_supplicant
*wpa_s
)
7324 if (wpa_s
->current_ssid
== NULL
) {
7326 * current_ssid can be cleared when P2P client interface gets
7327 * disconnected, so assume this interface was used as P2P
7332 return wpa_s
->current_ssid
->p2p_group
&&
7333 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
;
7337 static void wpas_p2p_group_idle_timeout(void *eloop_ctx
, void *timeout_ctx
)
7339 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7341 if (wpa_s
->conf
->p2p_group_idle
== 0 && !wpas_p2p_is_client(wpa_s
)) {
7342 wpa_printf(MSG_DEBUG
, "P2P: Ignore group idle timeout - "
7347 wpa_printf(MSG_DEBUG
, "P2P: Group idle timeout reached - terminate "
7349 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_IDLE_TIMEOUT
);
7353 static void wpas_p2p_set_group_idle_timeout(struct wpa_supplicant
*wpa_s
)
7357 if (eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
7358 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
7360 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
7363 timeout
= wpa_s
->conf
->p2p_group_idle
;
7364 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
7365 (timeout
== 0 || timeout
> P2P_MAX_CLIENT_IDLE
))
7366 timeout
= P2P_MAX_CLIENT_IDLE
;
7372 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
)
7373 timeout
= 0; /* special client mode no-timeout */
7378 if (wpa_s
->p2p_in_provisioning
) {
7380 * Use the normal group formation timeout during the
7381 * provisioning phase to avoid terminating this process too
7382 * early due to group idle timeout.
7384 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
7385 "during provisioning");
7389 if (wpa_s
->show_group_started
) {
7391 * Use the normal group formation timeout between the end of
7392 * the provisioning phase and completion of 4-way handshake to
7393 * avoid terminating this process too early due to group idle
7396 wpa_printf(MSG_DEBUG
, "P2P: Do not use P2P group idle timeout "
7397 "while waiting for initial 4-way handshake to "
7402 wpa_printf(MSG_DEBUG
, "P2P: Set P2P group idle timeout to %u seconds",
7404 eloop_register_timeout(timeout
, 0, wpas_p2p_group_idle_timeout
,
7409 /* Returns 1 if the interface was removed */
7410 int wpas_p2p_deauth_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
7411 u16 reason_code
, const u8
*ie
, size_t ie_len
,
7412 int locally_generated
)
7414 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7417 if (!locally_generated
)
7418 p2p_deauth_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
7421 if (reason_code
== WLAN_REASON_DEAUTH_LEAVING
&& !locally_generated
&&
7422 wpa_s
->current_ssid
&&
7423 wpa_s
->current_ssid
->p2p_group
&&
7424 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
7425 wpa_printf(MSG_DEBUG
, "P2P: GO indicated that the P2P Group "
7426 "session is ending");
7427 if (wpas_p2p_group_delete(wpa_s
,
7428 P2P_GROUP_REMOVAL_GO_ENDING_SESSION
)
7437 void wpas_p2p_disassoc_notif(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
7438 u16 reason_code
, const u8
*ie
, size_t ie_len
,
7439 int locally_generated
)
7441 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7444 if (!locally_generated
)
7445 p2p_disassoc_notif(wpa_s
->global
->p2p
, bssid
, reason_code
, ie
,
7450 void wpas_p2p_update_config(struct wpa_supplicant
*wpa_s
)
7452 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
7457 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
))
7460 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_NAME
)
7461 p2p_set_dev_name(p2p
, wpa_s
->conf
->device_name
);
7463 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
7464 p2p_set_pri_dev_type(p2p
, wpa_s
->conf
->device_type
);
7467 (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
))
7468 p2p_set_config_methods(p2p
, wpa_s
->wps
->config_methods
);
7470 if (wpa_s
->wps
&& (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
))
7471 p2p_set_uuid(p2p
, wpa_s
->wps
->uuid
);
7473 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_WPS_STRING
) {
7474 p2p_set_manufacturer(p2p
, wpa_s
->conf
->manufacturer
);
7475 p2p_set_model_name(p2p
, wpa_s
->conf
->model_name
);
7476 p2p_set_model_number(p2p
, wpa_s
->conf
->model_number
);
7477 p2p_set_serial_number(p2p
, wpa_s
->conf
->serial_number
);
7480 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
)
7481 p2p_set_sec_dev_types(p2p
,
7482 (void *) wpa_s
->conf
->sec_device_type
,
7483 wpa_s
->conf
->num_sec_device_types
);
7485 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
) {
7487 p2p_remove_wps_vendor_extensions(p2p
);
7488 for (i
= 0; i
< MAX_WPS_VENDOR_EXT
; i
++) {
7489 if (wpa_s
->conf
->wps_vendor_ext
[i
] == NULL
)
7491 p2p_add_wps_vendor_extension(
7492 p2p
, wpa_s
->conf
->wps_vendor_ext
[i
]);
7496 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
7497 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
7499 country
[0] = wpa_s
->conf
->country
[0];
7500 country
[1] = wpa_s
->conf
->country
[1];
7502 p2p_set_country(p2p
, country
);
7505 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_SSID_POSTFIX
) {
7506 p2p_set_ssid_postfix(p2p
, (u8
*) wpa_s
->conf
->p2p_ssid_postfix
,
7507 wpa_s
->conf
->p2p_ssid_postfix
?
7508 os_strlen(wpa_s
->conf
->p2p_ssid_postfix
) :
7512 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_INTRA_BSS
)
7513 p2p_set_intra_bss_dist(p2p
, wpa_s
->conf
->p2p_intra_bss
);
7515 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_LISTEN_CHANNEL
) {
7516 u8 reg_class
, channel
;
7521 if (wpa_s
->conf
->p2p_listen_reg_class
&&
7522 wpa_s
->conf
->p2p_listen_channel
) {
7523 reg_class
= wpa_s
->conf
->p2p_listen_reg_class
;
7524 channel
= wpa_s
->conf
->p2p_listen_channel
;
7529 * Pick one of the social channels randomly as the
7532 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
7535 channel
= 1 + (r
% 3) * 5;
7538 ret
= p2p_set_listen_channel(p2p
, reg_class
, channel
,
7541 wpa_printf(MSG_ERROR
, "P2P: Own listen channel update "
7544 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_OPER_CHANNEL
) {
7545 u8 op_reg_class
, op_channel
, cfg_op_channel
;
7548 if (wpa_s
->conf
->p2p_oper_reg_class
&&
7549 wpa_s
->conf
->p2p_oper_channel
) {
7550 op_reg_class
= wpa_s
->conf
->p2p_oper_reg_class
;
7551 op_channel
= wpa_s
->conf
->p2p_oper_channel
;
7556 * Use random operation channel from (1, 6, 11)
7557 *if no other preference is indicated.
7559 if (os_get_random((u8
*) &r
, sizeof(r
)) < 0)
7562 op_channel
= 1 + (r
% 3) * 5;
7565 ret
= p2p_set_oper_channel(p2p
, op_reg_class
, op_channel
,
7568 wpa_printf(MSG_ERROR
, "P2P: Own oper channel update "
7572 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PREF_CHAN
) {
7573 if (p2p_set_pref_chan(p2p
, wpa_s
->conf
->num_p2p_pref_chan
,
7574 wpa_s
->conf
->p2p_pref_chan
) < 0) {
7575 wpa_printf(MSG_ERROR
, "P2P: Preferred channel list "
7579 if (p2p_set_no_go_freq(p2p
, &wpa_s
->conf
->p2p_no_go_freq
) < 0) {
7580 wpa_printf(MSG_ERROR
, "P2P: No GO channel list "
7585 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_P2P_PASSPHRASE_LEN
)
7586 p2p_set_passphrase_len(p2p
, wpa_s
->conf
->p2p_passphrase_len
);
7590 int wpas_p2p_set_noa(struct wpa_supplicant
*wpa_s
, u8 count
, int start
,
7593 if (!wpa_s
->ap_iface
)
7595 return hostapd_p2p_set_noa(wpa_s
->ap_iface
->bss
[0], count
, start
,
7600 int wpas_p2p_set_cross_connect(struct wpa_supplicant
*wpa_s
, int enabled
)
7602 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7605 wpa_s
->global
->cross_connection
= enabled
;
7606 p2p_set_cross_connect(wpa_s
->global
->p2p
, enabled
);
7609 struct wpa_supplicant
*iface
;
7611 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
7613 if (iface
->cross_connect_enabled
== 0)
7616 iface
->cross_connect_enabled
= 0;
7617 iface
->cross_connect_in_use
= 0;
7618 wpa_msg_global(iface
->p2pdev
, MSG_INFO
,
7619 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
7621 iface
->cross_connect_uplink
);
7629 static void wpas_p2p_enable_cross_connect(struct wpa_supplicant
*uplink
)
7631 struct wpa_supplicant
*iface
;
7633 if (!uplink
->global
->cross_connection
)
7636 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
7637 if (!iface
->cross_connect_enabled
)
7639 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
7642 if (iface
->ap_iface
== NULL
)
7644 if (iface
->cross_connect_in_use
)
7647 iface
->cross_connect_in_use
= 1;
7648 wpa_msg_global(iface
->p2pdev
, MSG_INFO
,
7649 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
7650 iface
->ifname
, iface
->cross_connect_uplink
);
7655 static void wpas_p2p_disable_cross_connect(struct wpa_supplicant
*uplink
)
7657 struct wpa_supplicant
*iface
;
7659 for (iface
= uplink
->global
->ifaces
; iface
; iface
= iface
->next
) {
7660 if (!iface
->cross_connect_enabled
)
7662 if (os_strcmp(uplink
->ifname
, iface
->cross_connect_uplink
) !=
7665 if (!iface
->cross_connect_in_use
)
7668 wpa_msg_global(iface
->p2pdev
, MSG_INFO
,
7669 P2P_EVENT_CROSS_CONNECT_DISABLE
"%s %s",
7670 iface
->ifname
, iface
->cross_connect_uplink
);
7671 iface
->cross_connect_in_use
= 0;
7676 void wpas_p2p_notif_connected(struct wpa_supplicant
*wpa_s
)
7678 if (wpa_s
->ap_iface
|| wpa_s
->current_ssid
== NULL
||
7679 wpa_s
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
7680 wpa_s
->cross_connect_disallowed
)
7681 wpas_p2p_disable_cross_connect(wpa_s
);
7683 wpas_p2p_enable_cross_connect(wpa_s
);
7684 if (!wpa_s
->ap_iface
&&
7685 eloop_cancel_timeout(wpas_p2p_group_idle_timeout
, wpa_s
, NULL
) > 0)
7686 wpa_printf(MSG_DEBUG
, "P2P: Cancelled P2P group idle timeout");
7690 void wpas_p2p_notif_disconnected(struct wpa_supplicant
*wpa_s
)
7692 wpas_p2p_disable_cross_connect(wpa_s
);
7693 if (!wpa_s
->ap_iface
&&
7694 !eloop_is_timeout_registered(wpas_p2p_group_idle_timeout
,
7696 wpas_p2p_set_group_idle_timeout(wpa_s
);
7700 static void wpas_p2p_cross_connect_setup(struct wpa_supplicant
*wpa_s
)
7702 struct wpa_supplicant
*iface
;
7704 if (!wpa_s
->global
->cross_connection
)
7707 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
7710 if (iface
->drv_flags
&
7711 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)
7713 if ((iface
->drv_flags
& WPA_DRIVER_FLAGS_P2P_CAPABLE
) &&
7714 iface
!= wpa_s
->parent
)
7717 wpa_s
->cross_connect_enabled
= 1;
7718 os_strlcpy(wpa_s
->cross_connect_uplink
, iface
->ifname
,
7719 sizeof(wpa_s
->cross_connect_uplink
));
7720 wpa_printf(MSG_DEBUG
, "P2P: Enable cross connection from "
7721 "%s to %s whenever uplink is available",
7722 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
7724 if (iface
->ap_iface
|| iface
->current_ssid
== NULL
||
7725 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
||
7726 iface
->cross_connect_disallowed
||
7727 iface
->wpa_state
!= WPA_COMPLETED
)
7730 wpa_s
->cross_connect_in_use
= 1;
7731 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
7732 P2P_EVENT_CROSS_CONNECT_ENABLE
"%s %s",
7733 wpa_s
->ifname
, wpa_s
->cross_connect_uplink
);
7739 int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant
*wpa_s
)
7741 if (wpa_s
->p2p_group_interface
!= P2P_GROUP_INTERFACE_CLIENT
&&
7742 !wpa_s
->p2p_in_provisioning
)
7743 return 0; /* not P2P client operation */
7745 wpa_printf(MSG_DEBUG
, "P2P: Terminate connection due to WPS PBC "
7747 if (wpa_s
!= wpa_s
->p2pdev
)
7748 wpa_msg_ctrl(wpa_s
->p2pdev
, MSG_INFO
, WPS_EVENT_OVERLAP
);
7749 wpas_p2p_group_formation_failed(wpa_s
, 0);
7754 void wpas_p2p_pbc_overlap_cb(void *eloop_ctx
, void *timeout_ctx
)
7756 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
7757 wpas_p2p_notif_pbc_overlap(wpa_s
);
7761 void wpas_p2p_update_channel_list(struct wpa_supplicant
*wpa_s
,
7762 enum wpas_p2p_channel_update_trig trig
)
7764 struct p2p_channels chan
, cli_chan
;
7765 struct wpa_used_freq_data
*freqs
= NULL
;
7766 unsigned int num
= wpa_s
->num_multichan_concurrent
;
7768 if (wpa_s
->global
== NULL
|| wpa_s
->global
->p2p
== NULL
)
7771 freqs
= os_calloc(num
, sizeof(struct wpa_used_freq_data
));
7775 num
= get_shared_radio_freqs_data(wpa_s
, freqs
, num
);
7777 os_memset(&chan
, 0, sizeof(chan
));
7778 os_memset(&cli_chan
, 0, sizeof(cli_chan
));
7779 if (wpas_p2p_setup_channels(wpa_s
, &chan
, &cli_chan
)) {
7780 wpa_printf(MSG_ERROR
, "P2P: Failed to update supported "
7785 p2p_update_channel_list(wpa_s
->global
->p2p
, &chan
, &cli_chan
);
7787 wpas_p2p_optimize_listen_channel(wpa_s
, freqs
, num
);
7790 * The used frequencies map changed, so it is possible that a GO is
7791 * using a channel that is no longer valid for P2P use. It is also
7792 * possible that due to policy consideration, it would be preferable to
7793 * move it to a frequency already used by other station interfaces.
7795 wpas_p2p_consider_moving_gos(wpa_s
, freqs
, num
, trig
);
7801 static void wpas_p2p_scan_res_ignore(struct wpa_supplicant
*wpa_s
,
7802 struct wpa_scan_results
*scan_res
)
7804 wpa_printf(MSG_DEBUG
, "P2P: Ignore scan results");
7808 int wpas_p2p_cancel(struct wpa_supplicant
*wpa_s
)
7810 struct wpa_global
*global
= wpa_s
->global
;
7814 if (global
->p2p
== NULL
)
7817 wpa_printf(MSG_DEBUG
, "P2P: Request to cancel group formation");
7819 if (wpa_s
->pending_interface_name
[0] &&
7820 !is_zero_ether_addr(wpa_s
->pending_interface_addr
))
7823 peer
= p2p_get_go_neg_peer(global
->p2p
);
7825 wpa_printf(MSG_DEBUG
, "P2P: Unauthorize pending GO Neg peer "
7826 MACSTR
, MAC2STR(peer
));
7827 p2p_unauthorize(global
->p2p
, peer
);
7831 if (wpa_s
->scan_res_handler
== wpas_p2p_scan_res_join
) {
7832 wpa_printf(MSG_DEBUG
, "P2P: Stop pending scan for join");
7833 wpa_s
->scan_res_handler
= wpas_p2p_scan_res_ignore
;
7837 if (wpa_s
->pending_pd_before_join
) {
7838 wpa_printf(MSG_DEBUG
, "P2P: Stop pending PD before join");
7839 wpa_s
->pending_pd_before_join
= 0;
7843 wpas_p2p_stop_find(wpa_s
);
7845 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
7846 if (wpa_s
== global
->p2p_group_formation
&&
7847 (wpa_s
->p2p_in_provisioning
||
7848 wpa_s
->parent
->pending_interface_type
==
7849 WPA_IF_P2P_CLIENT
)) {
7850 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in group "
7851 "formation found - cancelling",
7854 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7855 wpa_s
->p2pdev
, NULL
);
7856 if (wpa_s
->p2p_in_provisioning
) {
7857 wpas_group_formation_completed(wpa_s
, 0, 0);
7860 wpas_p2p_group_delete(wpa_s
,
7861 P2P_GROUP_REMOVAL_REQUESTED
);
7863 } else if (wpa_s
->p2p_in_invitation
) {
7864 wpa_printf(MSG_DEBUG
, "P2P: Interface %s in invitation found - cancelling",
7867 wpas_p2p_group_formation_failed(wpa_s
, 0);
7873 wpa_printf(MSG_DEBUG
, "P2P: No ongoing group formation found");
7881 void wpas_p2p_interface_unavailable(struct wpa_supplicant
*wpa_s
)
7883 if (wpa_s
->current_ssid
== NULL
|| !wpa_s
->current_ssid
->p2p_group
)
7886 wpa_printf(MSG_DEBUG
, "P2P: Remove group due to driver resource not "
7887 "being available anymore");
7888 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_UNAVAILABLE
);
7892 void wpas_p2p_update_best_channels(struct wpa_supplicant
*wpa_s
,
7893 int freq_24
, int freq_5
, int freq_overall
)
7895 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
7898 p2p_set_best_channels(p2p
, freq_24
, freq_5
, freq_overall
);
7902 int wpas_p2p_unauthorize(struct wpa_supplicant
*wpa_s
, const char *addr
)
7905 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
7910 if (hwaddr_aton(addr
, peer
))
7913 return p2p_unauthorize(p2p
, peer
);
7918 * wpas_p2p_disconnect - Disconnect from a P2P Group
7919 * @wpa_s: Pointer to wpa_supplicant data
7920 * Returns: 0 on success, -1 on failure
7922 * This can be used to disconnect from a group in which the local end is a P2P
7923 * Client or to end a P2P Group in case the local end is the Group Owner. If a
7924 * virtual network interface was created for this group, that interface will be
7925 * removed. Otherwise, only the configured P2P group network will be removed
7926 * from the interface.
7928 int wpas_p2p_disconnect(struct wpa_supplicant
*wpa_s
)
7934 return wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_REQUESTED
) < 0 ?
7939 int wpas_p2p_in_progress(struct wpa_supplicant
*wpa_s
)
7943 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
7946 ret
= p2p_in_progress(wpa_s
->global
->p2p
);
7949 * Check whether there is an ongoing WPS provisioning step (or
7950 * other parts of group formation) on another interface since
7951 * p2p_in_progress() does not report this to avoid issues for
7952 * scans during such provisioning step.
7954 if (wpa_s
->global
->p2p_group_formation
&&
7955 wpa_s
->global
->p2p_group_formation
!= wpa_s
) {
7956 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Another interface (%s) "
7957 "in group formation",
7958 wpa_s
->global
->p2p_group_formation
->ifname
);
7963 if (!ret
&& wpa_s
->global
->p2p_go_wait_client
.sec
) {
7964 struct os_reltime now
;
7965 os_get_reltime(&now
);
7966 if (os_reltime_expired(&now
, &wpa_s
->global
->p2p_go_wait_client
,
7967 P2P_MAX_INITIAL_CONN_WAIT_GO
)) {
7968 /* Wait for the first client has expired */
7969 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
7971 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Waiting for initial client connection during group formation");
7980 void wpas_p2p_network_removed(struct wpa_supplicant
*wpa_s
,
7981 struct wpa_ssid
*ssid
)
7983 if (wpa_s
->p2p_in_provisioning
&& ssid
->p2p_group
&&
7984 eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
7985 wpa_s
->p2pdev
, NULL
) > 0) {
7987 * Remove the network by scheduling the group formation
7988 * timeout to happen immediately. The teardown code
7989 * needs to be scheduled to run asynch later so that we
7990 * don't delete data from under ourselves unexpectedly.
7991 * Calling wpas_p2p_group_formation_timeout directly
7992 * causes a series of crashes in WPS failure scenarios.
7994 wpa_printf(MSG_DEBUG
, "P2P: Canceled group formation due to "
7995 "P2P group network getting removed");
7996 eloop_register_timeout(0, 0, wpas_p2p_group_formation_timeout
,
7997 wpa_s
->p2pdev
, NULL
);
8002 struct wpa_ssid
* wpas_p2p_get_persistent(struct wpa_supplicant
*wpa_s
,
8003 const u8
*addr
, const u8
*ssid
,
8009 for (s
= wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
8010 if (s
->disabled
!= 2)
8013 (ssid_len
!= s
->ssid_len
||
8014 os_memcmp(ssid
, s
->ssid
, ssid_len
) != 0))
8017 if (s
->mode
== WPAS_MODE_P2P_GO
)
8021 if (os_memcmp(s
->bssid
, addr
, ETH_ALEN
) == 0)
8022 return s
; /* peer is GO in the persistent group */
8023 if (s
->mode
!= WPAS_MODE_P2P_GO
|| s
->p2p_client_list
== NULL
)
8025 for (i
= 0; i
< s
->num_p2p_clients
; i
++) {
8026 if (os_memcmp(s
->p2p_client_list
+ i
* 2 * ETH_ALEN
,
8027 addr
, ETH_ALEN
) == 0)
8028 return s
; /* peer is P2P client in persistent
8037 void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant
*wpa_s
,
8040 if (eloop_cancel_timeout(wpas_p2p_group_formation_timeout
,
8041 wpa_s
->p2pdev
, NULL
) > 0) {
8043 * This can happen if WPS provisioning step is not terminated
8044 * cleanly (e.g., P2P Client does not send WSC_Done). Since the
8045 * peer was able to connect, there is no need to time out group
8046 * formation after this, though. In addition, this is used with
8047 * the initial connection wait on the GO as a separate formation
8048 * timeout and as such, expected to be hit after the initial WPS
8049 * provisioning step.
8051 wpa_printf(MSG_DEBUG
, "P2P: Canceled P2P group formation timeout on data connection");
8053 if (!wpa_s
->p2p_go_group_formation_completed
&&
8054 !wpa_s
->group_formation_reported
) {
8056 * GO has not yet notified group formation success since
8057 * the WPS step was not completed cleanly. Do that
8058 * notification now since the P2P Client was able to
8059 * connect and as such, must have received the
8060 * credential from the WPS step.
8062 if (wpa_s
->global
->p2p
)
8063 p2p_wps_success_cb(wpa_s
->global
->p2p
, addr
);
8064 wpas_group_formation_completed(wpa_s
, 1, 0);
8067 if (!wpa_s
->p2p_go_group_formation_completed
) {
8068 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Marking group formation completed on GO on first data connection");
8069 wpa_s
->p2p_go_group_formation_completed
= 1;
8070 wpa_s
->global
->p2p_group_formation
= NULL
;
8071 wpa_s
->p2p_in_provisioning
= 0;
8072 wpa_s
->p2p_in_invitation
= 0;
8074 wpa_s
->global
->p2p_go_wait_client
.sec
= 0;
8077 wpas_p2p_add_persistent_group_client(wpa_s
, addr
);
8081 static int wpas_p2p_fallback_to_go_neg(struct wpa_supplicant
*wpa_s
,
8084 struct wpa_supplicant
*group
= wpa_s
;
8087 if (wpa_s
->global
->p2p_group_formation
)
8088 group
= wpa_s
->global
->p2p_group_formation
;
8089 wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
8090 offchannel_send_action_done(wpa_s
);
8092 ret
= wpas_p2p_group_delete(group
, P2P_GROUP_REMOVAL_SILENT
);
8093 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Fall back to GO Negotiation");
8094 wpas_p2p_connect(wpa_s
, wpa_s
->pending_join_dev_addr
, wpa_s
->p2p_pin
,
8095 wpa_s
->p2p_wps_method
, wpa_s
->p2p_persistent_group
, 0,
8096 0, 0, wpa_s
->p2p_go_intent
, wpa_s
->p2p_connect_freq
,
8097 wpa_s
->p2p_go_vht_center_freq2
,
8098 wpa_s
->p2p_persistent_id
,
8099 wpa_s
->p2p_pd_before_go_neg
,
8102 wpa_s
->p2p_go_max_oper_chwidth
,
8103 wpa_s
->p2p_go_he
, NULL
, 0);
8108 int wpas_p2p_scan_no_go_seen(struct wpa_supplicant
*wpa_s
)
8112 if (!wpa_s
->p2p_fallback_to_go_neg
||
8113 wpa_s
->p2p_in_provisioning
<= 5)
8116 if (wpas_p2p_peer_go(wpa_s
, wpa_s
->pending_join_dev_addr
) > 0)
8117 return 0; /* peer operating as a GO */
8119 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: GO not found for p2p_connect-auto - "
8120 "fallback to GO Negotiation");
8121 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
, P2P_EVENT_FALLBACK_TO_GO_NEG
8122 "reason=GO-not-found");
8123 res
= wpas_p2p_fallback_to_go_neg(wpa_s
, 1);
8125 return res
== 1 ? 2 : 1;
8129 unsigned int wpas_p2p_search_delay(struct wpa_supplicant
*wpa_s
)
8131 struct wpa_supplicant
*ifs
;
8133 if (wpa_s
->wpa_state
> WPA_SCANNING
) {
8134 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search delay due to "
8135 "concurrent operation",
8136 wpa_s
->conf
->p2p_search_delay
);
8137 return wpa_s
->conf
->p2p_search_delay
;
8140 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
8142 if (ifs
!= wpa_s
&& ifs
->wpa_state
> WPA_SCANNING
) {
8143 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Use %u ms search "
8144 "delay due to concurrent operation on "
8146 wpa_s
->conf
->p2p_search_delay
,
8148 return wpa_s
->conf
->p2p_search_delay
;
8156 static int wpas_p2p_remove_psk_entry(struct wpa_supplicant
*wpa_s
,
8157 struct wpa_ssid
*s
, const u8
*addr
,
8160 struct psk_list_entry
*psk
, *tmp
;
8163 dl_list_for_each_safe(psk
, tmp
, &s
->psk_list
, struct psk_list_entry
,
8165 if ((iface_addr
&& !psk
->p2p
&&
8166 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0) ||
8167 (!iface_addr
&& psk
->p2p
&&
8168 os_memcmp(addr
, psk
->addr
, ETH_ALEN
) == 0)) {
8169 wpa_dbg(wpa_s
, MSG_DEBUG
,
8170 "P2P: Remove persistent group PSK list entry for "
8172 MAC2STR(psk
->addr
), psk
->p2p
);
8173 dl_list_del(&psk
->list
);
8183 void wpas_p2p_new_psk_cb(struct wpa_supplicant
*wpa_s
, const u8
*mac_addr
,
8184 const u8
*p2p_dev_addr
,
8185 const u8
*psk
, size_t psk_len
)
8187 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
8188 struct wpa_ssid
*persistent
;
8189 struct psk_list_entry
*p
, *last
;
8191 if (psk_len
!= sizeof(p
->psk
))
8195 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
8196 " p2p_dev_addr=" MACSTR
,
8197 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
8198 if (is_zero_ether_addr(p2p_dev_addr
))
8199 p2p_dev_addr
= NULL
;
8201 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New PSK for addr=" MACSTR
,
8205 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
8206 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: new_psk_cb during group formation");
8207 /* To be added to persistent group once created */
8208 if (wpa_s
->global
->add_psk
== NULL
) {
8209 wpa_s
->global
->add_psk
= os_zalloc(sizeof(*p
));
8210 if (wpa_s
->global
->add_psk
== NULL
)
8213 p
= wpa_s
->global
->add_psk
;
8216 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
8219 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
8221 os_memcpy(p
->psk
, psk
, psk_len
);
8225 if (ssid
->mode
!= WPAS_MODE_P2P_GO
|| !ssid
->p2p_persistent_group
) {
8226 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Ignore new_psk_cb on not-persistent GO");
8230 persistent
= wpas_p2p_get_persistent(wpa_s
->p2pdev
, NULL
, ssid
->ssid
,
8233 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not find persistent group information to store the new PSK");
8237 p
= os_zalloc(sizeof(*p
));
8242 os_memcpy(p
->addr
, p2p_dev_addr
, ETH_ALEN
);
8245 os_memcpy(p
->addr
, mac_addr
, ETH_ALEN
);
8247 os_memcpy(p
->psk
, psk
, psk_len
);
8249 if (dl_list_len(&persistent
->psk_list
) > P2P_MAX_STORED_CLIENTS
&&
8250 (last
= dl_list_last(&persistent
->psk_list
,
8251 struct psk_list_entry
, list
))) {
8252 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove oldest PSK entry for "
8253 MACSTR
" (p2p=%u) to make room for a new one",
8254 MAC2STR(last
->addr
), last
->p2p
);
8255 dl_list_del(&last
->list
);
8259 wpas_p2p_remove_psk_entry(wpa_s
->p2pdev
, persistent
,
8260 p2p_dev_addr
? p2p_dev_addr
: mac_addr
,
8261 p2p_dev_addr
== NULL
);
8263 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for p2p_dev_addr="
8264 MACSTR
, MAC2STR(p2p_dev_addr
));
8266 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Add new PSK for addr=" MACSTR
,
8269 dl_list_add(&persistent
->psk_list
, &p
->list
);
8271 if (wpa_s
->p2pdev
->conf
->update_config
&&
8272 wpa_config_write(wpa_s
->p2pdev
->confname
, wpa_s
->p2pdev
->conf
))
8273 wpa_printf(MSG_DEBUG
, "P2P: Failed to update configuration");
8277 static void wpas_p2p_remove_psk(struct wpa_supplicant
*wpa_s
,
8278 struct wpa_ssid
*s
, const u8
*addr
,
8283 res
= wpas_p2p_remove_psk_entry(wpa_s
, s
, addr
, iface_addr
);
8284 if (res
> 0 && wpa_s
->conf
->update_config
&&
8285 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
))
8286 wpa_dbg(wpa_s
, MSG_DEBUG
,
8287 "P2P: Failed to update configuration");
8291 static void wpas_p2p_remove_client_go(struct wpa_supplicant
*wpa_s
,
8292 const u8
*peer
, int iface_addr
)
8294 struct hostapd_data
*hapd
;
8295 struct hostapd_wpa_psk
*psk
, *prev
, *rem
;
8296 struct sta_info
*sta
;
8298 if (wpa_s
->ap_iface
== NULL
|| wpa_s
->current_ssid
== NULL
||
8299 wpa_s
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
)
8302 /* Remove per-station PSK entry */
8303 hapd
= wpa_s
->ap_iface
->bss
[0];
8305 psk
= hapd
->conf
->ssid
.wpa_psk
;
8307 if ((iface_addr
&& os_memcmp(peer
, psk
->addr
, ETH_ALEN
) == 0) ||
8309 os_memcmp(peer
, psk
->p2p_dev_addr
, ETH_ALEN
) == 0)) {
8310 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove operating group PSK entry for "
8311 MACSTR
" iface_addr=%d",
8312 MAC2STR(peer
), iface_addr
);
8314 prev
->next
= psk
->next
;
8316 hapd
->conf
->ssid
.wpa_psk
= psk
->next
;
8326 /* Disconnect from group */
8328 sta
= ap_get_sta(hapd
, peer
);
8330 sta
= ap_get_sta_p2p(hapd
, peer
);
8332 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disconnect peer " MACSTR
8333 " (iface_addr=%d) from group",
8334 MAC2STR(peer
), iface_addr
);
8335 hostapd_drv_sta_deauth(hapd
, sta
->addr
,
8336 WLAN_REASON_DEAUTH_LEAVING
);
8337 ap_sta_deauthenticate(hapd
, sta
, WLAN_REASON_DEAUTH_LEAVING
);
8342 void wpas_p2p_remove_client(struct wpa_supplicant
*wpa_s
, const u8
*peer
,
8346 struct wpa_supplicant
*w
;
8347 struct wpa_supplicant
*p2p_wpa_s
= wpa_s
->global
->p2p_init_wpa_s
;
8349 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Remove client " MACSTR
, MAC2STR(peer
));
8351 /* Remove from any persistent group */
8352 for (s
= p2p_wpa_s
->conf
->ssid
; s
; s
= s
->next
) {
8353 if (s
->disabled
!= 2 || s
->mode
!= WPAS_MODE_P2P_GO
)
8356 wpas_remove_persistent_peer(p2p_wpa_s
, s
, peer
, 0);
8357 wpas_p2p_remove_psk(p2p_wpa_s
, s
, peer
, iface_addr
);
8360 /* Remove from any operating group */
8361 for (w
= wpa_s
->global
->ifaces
; w
; w
= w
->next
)
8362 wpas_p2p_remove_client_go(w
, peer
, iface_addr
);
8366 static void wpas_p2p_psk_failure_removal(void *eloop_ctx
, void *timeout_ctx
)
8368 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
8369 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_PSK_FAILURE
);
8373 static void wpas_p2p_group_freq_conflict(void *eloop_ctx
, void *timeout_ctx
)
8375 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
8377 wpa_printf(MSG_DEBUG
, "P2P: Frequency conflict - terminate group");
8378 wpas_p2p_group_delete(wpa_s
, P2P_GROUP_REMOVAL_FREQ_CONFLICT
);
8382 int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant
*wpa_s
, int freq
,
8383 struct wpa_ssid
*ssid
)
8385 struct wpa_supplicant
*iface
;
8387 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
8388 if (!iface
->current_ssid
||
8389 iface
->current_ssid
->frequency
== freq
||
8390 (iface
->p2p_group_interface
== NOT_P2P_GROUP_INTERFACE
&&
8391 !iface
->current_ssid
->p2p_group
))
8394 /* Remove the connection with least priority */
8395 if (!wpas_is_p2p_prioritized(iface
)) {
8396 /* STA connection has priority over existing
8397 * P2P connection, so remove the interface. */
8398 wpa_printf(MSG_DEBUG
, "P2P: Removing P2P connection due to single channel concurrent mode frequency conflict");
8399 eloop_register_timeout(0, 0,
8400 wpas_p2p_group_freq_conflict
,
8402 /* If connection in progress is P2P connection, do not
8403 * proceed for the connection. */
8409 /* P2P connection has priority, disable the STA network
8411 wpa_supplicant_disable_network(wpa_s
->global
->ifaces
,
8413 wpa_msg(wpa_s
->global
->ifaces
, MSG_INFO
,
8414 WPA_EVENT_FREQ_CONFLICT
" id=%d", ssid
->id
);
8415 os_memset(wpa_s
->global
->ifaces
->pending_bssid
, 0,
8417 /* If P2P connection is in progress, continue
8430 int wpas_p2p_4way_hs_failed(struct wpa_supplicant
*wpa_s
)
8432 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
8434 if (ssid
== NULL
|| !ssid
->p2p_group
)
8437 if (wpa_s
->p2p_last_4way_hs_fail
&&
8438 wpa_s
->p2p_last_4way_hs_fail
== ssid
) {
8439 u8 go_dev_addr
[ETH_ALEN
];
8440 struct wpa_ssid
*persistent
;
8442 if (wpas_p2p_persistent_group(wpa_s
, go_dev_addr
,
8444 ssid
->ssid_len
) <= 0) {
8445 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Could not determine whether 4-way handshake failures were for a persistent group");
8449 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Two 4-way handshake failures for a P2P group - go_dev_addr="
8450 MACSTR
, MAC2STR(go_dev_addr
));
8451 persistent
= wpas_p2p_get_persistent(wpa_s
->p2pdev
, go_dev_addr
,
8454 if (persistent
== NULL
|| persistent
->mode
!= WPAS_MODE_INFRA
) {
8455 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No matching persistent group stored");
8458 wpa_msg_global(wpa_s
->p2pdev
, MSG_INFO
,
8459 P2P_EVENT_PERSISTENT_PSK_FAIL
"%d",
8462 wpa_s
->p2p_last_4way_hs_fail
= NULL
;
8464 * Remove the group from a timeout to avoid issues with caller
8465 * continuing to use the interface if this is on a P2P group
8468 eloop_register_timeout(0, 0, wpas_p2p_psk_failure_removal
,
8473 wpa_s
->p2p_last_4way_hs_fail
= ssid
;
8478 #ifdef CONFIG_WPS_NFC
8480 static struct wpabuf
* wpas_p2p_nfc_handover(int ndef
, struct wpabuf
*wsc
,
8488 wpa_printf(MSG_DEBUG
, "P2P: No p2p buffer for handover");
8492 wsc_len
= wsc
? wpabuf_len(wsc
) : 0;
8493 ret
= wpabuf_alloc(2 + wsc_len
+ 2 + wpabuf_len(p2p
));
8500 wpabuf_put_be16(ret
, wsc_len
);
8502 wpabuf_put_buf(ret
, wsc
);
8503 wpabuf_put_be16(ret
, wpabuf_len(p2p
));
8504 wpabuf_put_buf(ret
, p2p
);
8508 wpa_hexdump_buf(MSG_DEBUG
,
8509 "P2P: Generated NFC connection handover message", ret
);
8513 tmp
= ndef_build_p2p(ret
);
8516 wpa_printf(MSG_DEBUG
, "P2P: Failed to NDEF encapsulate handover request");
8526 static int wpas_p2p_cli_freq(struct wpa_supplicant
*wpa_s
,
8527 struct wpa_ssid
**ssid
, u8
*go_dev_addr
)
8529 struct wpa_supplicant
*iface
;
8532 os_memset(go_dev_addr
, 0, ETH_ALEN
);
8535 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
8536 if (iface
->wpa_state
< WPA_ASSOCIATING
||
8537 iface
->current_ssid
== NULL
|| iface
->assoc_freq
== 0 ||
8538 !iface
->current_ssid
->p2p_group
||
8539 iface
->current_ssid
->mode
!= WPAS_MODE_INFRA
)
8542 *ssid
= iface
->current_ssid
;
8544 os_memcpy(go_dev_addr
, iface
->go_dev_addr
, ETH_ALEN
);
8545 return iface
->assoc_freq
;
8551 struct wpabuf
* wpas_p2p_nfc_handover_req(struct wpa_supplicant
*wpa_s
,
8554 struct wpabuf
*wsc
, *p2p
;
8555 struct wpa_ssid
*ssid
;
8556 u8 go_dev_addr
[ETH_ALEN
];
8557 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
8559 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
) {
8560 wpa_printf(MSG_DEBUG
, "P2P: P2P disabled - cannot build handover request");
8564 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
8565 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
8566 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0) {
8567 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: No DH key available for handover request");
8571 if (cli_freq
== 0) {
8572 wsc
= wps_build_nfc_handover_req_p2p(
8573 wpa_s
->parent
->wps
, wpa_s
->conf
->wps_nfc_dh_pubkey
);
8576 p2p
= p2p_build_nfc_handover_req(wpa_s
->global
->p2p
, cli_freq
,
8577 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
8578 ssid
? ssid
->ssid_len
: 0);
8580 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
8584 struct wpabuf
* wpas_p2p_nfc_handover_sel(struct wpa_supplicant
*wpa_s
,
8587 struct wpabuf
*wsc
, *p2p
;
8588 struct wpa_ssid
*ssid
;
8589 u8 go_dev_addr
[ETH_ALEN
];
8590 int cli_freq
= wpas_p2p_cli_freq(wpa_s
, &ssid
, go_dev_addr
);
8592 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8595 if (!tag
&& wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
8596 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
8597 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
8600 if (cli_freq
== 0) {
8601 wsc
= wps_build_nfc_handover_sel_p2p(
8603 tag
? wpa_s
->conf
->wps_nfc_dev_pw_id
:
8604 DEV_PW_NFC_CONNECTION_HANDOVER
,
8605 wpa_s
->conf
->wps_nfc_dh_pubkey
,
8606 tag
? wpa_s
->conf
->wps_nfc_dev_pw
: NULL
);
8609 p2p
= p2p_build_nfc_handover_sel(wpa_s
->global
->p2p
, cli_freq
,
8610 go_dev_addr
, ssid
? ssid
->ssid
: NULL
,
8611 ssid
? ssid
->ssid_len
: 0);
8613 return wpas_p2p_nfc_handover(ndef
, wsc
, p2p
);
8617 static int wpas_p2p_nfc_join_group(struct wpa_supplicant
*wpa_s
,
8618 struct p2p_nfc_params
*params
)
8620 wpa_printf(MSG_DEBUG
, "P2P: Initiate join-group based on NFC "
8621 "connection handover (freq=%d)",
8624 if (params
->go_freq
&& params
->go_ssid_len
) {
8625 wpa_s
->p2p_wps_method
= WPS_NFC
;
8626 wpa_s
->pending_join_wps_method
= WPS_NFC
;
8627 os_memset(wpa_s
->pending_join_iface_addr
, 0, ETH_ALEN
);
8628 os_memcpy(wpa_s
->pending_join_dev_addr
, params
->go_dev_addr
,
8630 return wpas_p2p_join_start(wpa_s
, params
->go_freq
,
8632 params
->go_ssid_len
);
8635 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
8636 WPS_NFC
, 0, 0, 1, 0, wpa_s
->conf
->p2p_go_intent
,
8637 params
->go_freq
, wpa_s
->p2p_go_vht_center_freq2
,
8638 -1, 0, 1, 1, wpa_s
->p2p_go_max_oper_chwidth
,
8640 params
->go_ssid_len
? params
->go_ssid
: NULL
,
8641 params
->go_ssid_len
);
8645 static int wpas_p2p_nfc_auth_join(struct wpa_supplicant
*wpa_s
,
8646 struct p2p_nfc_params
*params
, int tag
)
8648 int res
, persistent
;
8649 struct wpa_ssid
*ssid
;
8651 wpa_printf(MSG_DEBUG
, "P2P: Authorize join-group based on NFC "
8652 "connection handover");
8653 for (wpa_s
= wpa_s
->global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
8654 ssid
= wpa_s
->current_ssid
;
8657 if (ssid
->mode
!= WPAS_MODE_P2P_GO
)
8659 if (wpa_s
->ap_iface
== NULL
)
8663 if (wpa_s
== NULL
) {
8664 wpa_printf(MSG_DEBUG
, "P2P: Could not find GO interface");
8668 if (wpa_s
->p2pdev
->p2p_oob_dev_pw_id
!=
8669 DEV_PW_NFC_CONNECTION_HANDOVER
&&
8670 !wpa_s
->p2pdev
->p2p_oob_dev_pw
) {
8671 wpa_printf(MSG_DEBUG
, "P2P: No NFC Dev Pw known");
8674 res
= wpas_ap_wps_add_nfc_pw(
8675 wpa_s
, wpa_s
->p2pdev
->p2p_oob_dev_pw_id
,
8676 wpa_s
->p2pdev
->p2p_oob_dev_pw
,
8677 wpa_s
->p2pdev
->p2p_peer_oob_pk_hash_known
?
8678 wpa_s
->p2pdev
->p2p_peer_oob_pubkey_hash
: NULL
);
8683 wpa_printf(MSG_DEBUG
, "P2P: Negotiated handover - wait for peer to join without invitation");
8687 if (!params
->peer
||
8688 !(params
->peer
->dev_capab
& P2P_DEV_CAPAB_INVITATION_PROCEDURE
))
8691 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invite peer " MACSTR
8692 " to join", MAC2STR(params
->peer
->p2p_device_addr
));
8694 wpa_s
->global
->p2p_invite_group
= wpa_s
;
8695 persistent
= ssid
->p2p_persistent_group
&&
8696 wpas_p2p_get_persistent(wpa_s
->p2pdev
,
8697 params
->peer
->p2p_device_addr
,
8698 ssid
->ssid
, ssid
->ssid_len
);
8699 wpa_s
->p2pdev
->pending_invite_ssid_id
= -1;
8701 return p2p_invite(wpa_s
->global
->p2p
, params
->peer
->p2p_device_addr
,
8702 P2P_INVITE_ROLE_ACTIVE_GO
, wpa_s
->own_addr
,
8703 ssid
->ssid
, ssid
->ssid_len
, ssid
->frequency
,
8704 wpa_s
->global
->p2p_dev_addr
, persistent
, 0,
8705 wpa_s
->p2pdev
->p2p_oob_dev_pw_id
);
8709 static int wpas_p2p_nfc_init_go_neg(struct wpa_supplicant
*wpa_s
,
8710 struct p2p_nfc_params
*params
,
8713 wpa_printf(MSG_DEBUG
, "P2P: Initiate GO Negotiation based on NFC "
8714 "connection handover");
8715 return wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
8716 WPS_NFC
, 0, 0, 0, 0, wpa_s
->conf
->p2p_go_intent
,
8717 forced_freq
, wpa_s
->p2p_go_vht_center_freq2
,
8718 -1, 0, 1, 1, wpa_s
->p2p_go_max_oper_chwidth
,
8719 wpa_s
->p2p_go_he
, NULL
, 0);
8723 static int wpas_p2p_nfc_resp_go_neg(struct wpa_supplicant
*wpa_s
,
8724 struct p2p_nfc_params
*params
,
8729 wpa_printf(MSG_DEBUG
, "P2P: Authorize GO Negotiation based on NFC "
8730 "connection handover");
8731 res
= wpas_p2p_connect(wpa_s
, params
->peer
->p2p_device_addr
, NULL
,
8732 WPS_NFC
, 0, 0, 0, 1, wpa_s
->conf
->p2p_go_intent
,
8733 forced_freq
, wpa_s
->p2p_go_vht_center_freq2
,
8734 -1, 0, 1, 1, wpa_s
->p2p_go_max_oper_chwidth
,
8735 wpa_s
->p2p_go_he
, NULL
, 0);
8739 res
= wpas_p2p_listen(wpa_s
, 60);
8741 p2p_unauthorize(wpa_s
->global
->p2p
,
8742 params
->peer
->p2p_device_addr
);
8749 static int wpas_p2p_nfc_connection_handover(struct wpa_supplicant
*wpa_s
,
8750 const struct wpabuf
*data
,
8751 int sel
, int tag
, int forced_freq
)
8753 const u8
*pos
, *end
;
8755 struct p2p_nfc_params params
;
8758 os_memset(¶ms
, 0, sizeof(params
));
8761 wpa_hexdump_buf(MSG_DEBUG
, "P2P: Received NFC tag payload", data
);
8763 pos
= wpabuf_head(data
);
8764 end
= pos
+ wpabuf_len(data
);
8766 if (end
- pos
< 2) {
8767 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of WSC "
8771 len
= WPA_GET_BE16(pos
);
8773 if (len
> end
- pos
) {
8774 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for WSC "
8778 params
.wsc_attr
= pos
;
8779 params
.wsc_len
= len
;
8782 if (end
- pos
< 2) {
8783 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for Length of P2P "
8787 len
= WPA_GET_BE16(pos
);
8789 if (len
> end
- pos
) {
8790 wpa_printf(MSG_DEBUG
, "P2P: Not enough data for P2P "
8794 params
.p2p_attr
= pos
;
8795 params
.p2p_len
= len
;
8798 wpa_hexdump(MSG_DEBUG
, "P2P: WSC attributes",
8799 params
.wsc_attr
, params
.wsc_len
);
8800 wpa_hexdump(MSG_DEBUG
, "P2P: P2P attributes",
8801 params
.p2p_attr
, params
.p2p_len
);
8803 wpa_hexdump(MSG_DEBUG
,
8804 "P2P: Ignored extra data after P2P attributes",
8808 res
= p2p_process_nfc_connection_handover(wpa_s
->global
->p2p
, ¶ms
);
8812 if (params
.next_step
== NO_ACTION
)
8815 if (params
.next_step
== BOTH_GO
) {
8816 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_BOTH_GO
"peer=" MACSTR
,
8817 MAC2STR(params
.peer
->p2p_device_addr
));
8821 if (params
.next_step
== PEER_CLIENT
) {
8822 if (!is_zero_ether_addr(params
.go_dev_addr
)) {
8823 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
8824 "peer=" MACSTR
" freq=%d go_dev_addr=" MACSTR
8826 MAC2STR(params
.peer
->p2p_device_addr
),
8828 MAC2STR(params
.go_dev_addr
),
8829 wpa_ssid_txt(params
.go_ssid
,
8830 params
.go_ssid_len
));
8832 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_PEER_CLIENT
8833 "peer=" MACSTR
" freq=%d",
8834 MAC2STR(params
.peer
->p2p_device_addr
),
8840 if (wpas_p2p_cli_freq(wpa_s
, NULL
, NULL
)) {
8841 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_NFC_WHILE_CLIENT
"peer="
8842 MACSTR
, MAC2STR(params
.peer
->p2p_device_addr
));
8846 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
8847 wpa_s
->p2p_oob_dev_pw
= NULL
;
8849 if (params
.oob_dev_pw_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
8850 wpa_printf(MSG_DEBUG
, "P2P: No peer OOB Dev Pw "
8855 id
= WPA_GET_BE16(params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
);
8856 wpa_printf(MSG_DEBUG
, "P2P: Peer OOB Dev Pw %u", id
);
8857 wpa_hexdump(MSG_DEBUG
, "P2P: Peer OOB Public Key hash",
8858 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
8859 os_memcpy(wpa_s
->p2p_peer_oob_pubkey_hash
,
8860 params
.oob_dev_pw
, WPS_OOB_PUBKEY_HASH_LEN
);
8861 wpa_s
->p2p_peer_oob_pk_hash_known
= 1;
8865 wpa_printf(MSG_DEBUG
, "P2P: Static handover - invalid "
8866 "peer OOB Device Password Id %u", id
);
8869 wpa_printf(MSG_DEBUG
, "P2P: Static handover - use peer OOB "
8870 "Device Password Id %u", id
);
8871 wpa_hexdump_key(MSG_DEBUG
, "P2P: Peer OOB Device Password",
8872 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
8873 params
.oob_dev_pw_len
-
8874 WPS_OOB_PUBKEY_HASH_LEN
- 2);
8875 wpa_s
->p2p_oob_dev_pw_id
= id
;
8876 wpa_s
->p2p_oob_dev_pw
= wpabuf_alloc_copy(
8877 params
.oob_dev_pw
+ WPS_OOB_PUBKEY_HASH_LEN
+ 2,
8878 params
.oob_dev_pw_len
-
8879 WPS_OOB_PUBKEY_HASH_LEN
- 2);
8880 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
8883 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
8884 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
8885 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
8888 wpa_printf(MSG_DEBUG
, "P2P: Using abbreviated WPS handshake "
8889 "without Device Password");
8890 wpa_s
->p2p_oob_dev_pw_id
= DEV_PW_NFC_CONNECTION_HANDOVER
;
8893 switch (params
.next_step
) {
8897 /* already covered above */
8900 return wpas_p2p_nfc_join_group(wpa_s
, ¶ms
);
8902 return wpas_p2p_nfc_auth_join(wpa_s
, ¶ms
, tag
);
8904 return wpas_p2p_nfc_init_go_neg(wpa_s
, ¶ms
, forced_freq
);
8906 /* TODO: use own OOB Dev Pw */
8907 return wpas_p2p_nfc_resp_go_neg(wpa_s
, ¶ms
, forced_freq
);
8914 int wpas_p2p_nfc_tag_process(struct wpa_supplicant
*wpa_s
,
8915 const struct wpabuf
*data
, int forced_freq
)
8917 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8920 return wpas_p2p_nfc_connection_handover(wpa_s
, data
, 1, 1, forced_freq
);
8924 int wpas_p2p_nfc_report_handover(struct wpa_supplicant
*wpa_s
, int init
,
8925 const struct wpabuf
*req
,
8926 const struct wpabuf
*sel
, int forced_freq
)
8931 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
8934 wpa_printf(MSG_DEBUG
, "NFC: P2P connection handover reported");
8936 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Req",
8937 wpabuf_head(req
), wpabuf_len(req
));
8938 wpa_hexdump_ascii(MSG_DEBUG
, "NFC: Sel",
8939 wpabuf_head(sel
), wpabuf_len(sel
));
8941 wpa_printf(MSG_DEBUG
, "NFC: Forced freq %d", forced_freq
);
8942 tmp
= ndef_parse_p2p(init
? sel
: req
);
8944 wpa_printf(MSG_DEBUG
, "P2P: Could not parse NDEF");
8948 ret
= wpas_p2p_nfc_connection_handover(wpa_s
, tmp
, init
, 0,
8956 int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant
*wpa_s
, int enabled
)
8959 int go_intent
= wpa_s
->conf
->p2p_go_intent
;
8960 struct wpa_supplicant
*iface
;
8962 if (wpa_s
->global
->p2p
== NULL
)
8966 wpa_printf(MSG_DEBUG
, "P2P: Disable use of own NFC Tag");
8967 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
)
8969 if (!iface
->ap_iface
)
8971 hostapd_wps_nfc_token_disable(iface
->ap_iface
->bss
[0]);
8973 p2p_set_authorized_oob_dev_pw_id(wpa_s
->global
->p2p
, 0,
8975 if (wpa_s
->p2p_nfc_tag_enabled
)
8976 wpas_p2p_remove_pending_group_interface(wpa_s
);
8977 wpa_s
->p2p_nfc_tag_enabled
= 0;
8981 if (wpa_s
->global
->p2p_disabled
)
8984 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
||
8985 wpa_s
->conf
->wps_nfc_dh_privkey
== NULL
||
8986 wpa_s
->conf
->wps_nfc_dev_pw
== NULL
||
8987 wpa_s
->conf
->wps_nfc_dev_pw_id
< 0x10) {
8988 wpa_printf(MSG_DEBUG
, "P2P: NFC password token not configured "
8989 "to allow static handover cases");
8993 wpa_printf(MSG_DEBUG
, "P2P: Enable use of own NFC Tag");
8995 wpa_s
->p2p_oob_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
8996 wpabuf_free(wpa_s
->p2p_oob_dev_pw
);
8997 wpa_s
->p2p_oob_dev_pw
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
8998 if (wpa_s
->p2p_oob_dev_pw
== NULL
)
9000 wpa_s
->p2p_peer_oob_pk_hash_known
= 0;
9002 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
||
9003 wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
) {
9005 * P2P Group Interface present and the command came on group
9006 * interface, so enable the token for the current interface.
9008 wpa_s
->create_p2p_iface
= 0;
9010 wpa_s
->create_p2p_iface
= wpas_p2p_create_iface(wpa_s
);
9013 if (wpa_s
->create_p2p_iface
) {
9014 enum wpa_driver_if_type iftype
;
9015 /* Prepare to add a new interface for the group */
9016 iftype
= WPA_IF_P2P_GROUP
;
9017 if (go_intent
== 15)
9018 iftype
= WPA_IF_P2P_GO
;
9019 if (wpas_p2p_add_group_interface(wpa_s
, iftype
) < 0) {
9020 wpa_printf(MSG_ERROR
, "P2P: Failed to allocate a new "
9021 "interface for the group");
9025 if_addr
= wpa_s
->pending_interface_addr
;
9026 } else if (wpa_s
->p2p_mgmt
)
9027 if_addr
= wpa_s
->parent
->own_addr
;
9029 if_addr
= wpa_s
->own_addr
;
9031 wpa_s
->p2p_nfc_tag_enabled
= enabled
;
9033 for (iface
= wpa_s
->global
->ifaces
; iface
; iface
= iface
->next
) {
9034 struct hostapd_data
*hapd
;
9035 if (iface
->ap_iface
== NULL
)
9037 hapd
= iface
->ap_iface
->bss
[0];
9038 wpabuf_free(hapd
->conf
->wps_nfc_dh_pubkey
);
9039 hapd
->conf
->wps_nfc_dh_pubkey
=
9040 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
9041 wpabuf_free(hapd
->conf
->wps_nfc_dh_privkey
);
9042 hapd
->conf
->wps_nfc_dh_privkey
=
9043 wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
9044 wpabuf_free(hapd
->conf
->wps_nfc_dev_pw
);
9045 hapd
->conf
->wps_nfc_dev_pw
=
9046 wpabuf_dup(wpa_s
->conf
->wps_nfc_dev_pw
);
9047 hapd
->conf
->wps_nfc_dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
9049 if (hostapd_wps_nfc_token_enable(iface
->ap_iface
->bss
[0]) < 0) {
9050 wpa_dbg(iface
, MSG_DEBUG
,
9051 "P2P: Failed to enable NFC Tag for GO");
9054 p2p_set_authorized_oob_dev_pw_id(
9055 wpa_s
->global
->p2p
, wpa_s
->conf
->wps_nfc_dev_pw_id
, go_intent
,
9061 #endif /* CONFIG_WPS_NFC */
9064 static void wpas_p2p_optimize_listen_channel(struct wpa_supplicant
*wpa_s
,
9065 struct wpa_used_freq_data
*freqs
,
9068 u8 curr_chan
, cand
, chan
;
9072 * If possible, optimize the Listen channel to be a channel that is
9073 * already used by one of the other interfaces.
9075 if (!wpa_s
->conf
->p2p_optimize_listen_chan
)
9078 if (!wpa_s
->current_ssid
|| wpa_s
->wpa_state
!= WPA_COMPLETED
)
9081 curr_chan
= p2p_get_listen_channel(wpa_s
->global
->p2p
);
9082 for (i
= 0, cand
= 0; i
< num
; i
++) {
9083 ieee80211_freq_to_chan(freqs
[i
].freq
, &chan
);
9084 if (curr_chan
== chan
) {
9089 if (chan
== 1 || chan
== 6 || chan
== 11)
9094 wpa_dbg(wpa_s
, MSG_DEBUG
,
9095 "P2P: Update Listen channel to %u based on operating channel",
9097 p2p_set_listen_channel(wpa_s
->global
->p2p
, 81, cand
, 0);
9102 static int wpas_p2p_move_go_csa(struct wpa_supplicant
*wpa_s
)
9104 struct hostapd_config
*conf
;
9105 struct p2p_go_neg_results params
;
9106 struct csa_settings csa_settings
;
9107 struct wpa_ssid
*current_ssid
= wpa_s
->current_ssid
;
9108 int old_freq
= current_ssid
->frequency
;
9111 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_AP_CSA
)) {
9112 wpa_dbg(wpa_s
, MSG_DEBUG
, "CSA is not enabled");
9117 * TODO: This function may not always work correctly. For example,
9118 * when we have a running GO and a BSS on a DFS channel.
9120 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, 0, 0, 0, 0, 0, 0, NULL
)) {
9121 wpa_dbg(wpa_s
, MSG_DEBUG
,
9122 "P2P CSA: Failed to select new frequency for GO");
9126 if (current_ssid
->frequency
== params
.freq
) {
9127 wpa_dbg(wpa_s
, MSG_DEBUG
,
9128 "P2P CSA: Selected same frequency - not moving GO");
9132 conf
= hostapd_config_defaults();
9134 wpa_dbg(wpa_s
, MSG_DEBUG
,
9135 "P2P CSA: Failed to allocate default config");
9139 current_ssid
->frequency
= params
.freq
;
9140 if (wpa_supplicant_conf_ap_ht(wpa_s
, current_ssid
, conf
)) {
9141 wpa_dbg(wpa_s
, MSG_DEBUG
,
9142 "P2P CSA: Failed to create new GO config");
9147 if (conf
->hw_mode
!= wpa_s
->ap_iface
->current_mode
->mode
) {
9148 wpa_dbg(wpa_s
, MSG_DEBUG
,
9149 "P2P CSA: CSA to a different band is not supported");
9154 os_memset(&csa_settings
, 0, sizeof(csa_settings
));
9155 csa_settings
.cs_count
= P2P_GO_CSA_COUNT
;
9156 csa_settings
.block_tx
= P2P_GO_CSA_BLOCK_TX
;
9157 csa_settings
.freq_params
.freq
= params
.freq
;
9158 csa_settings
.freq_params
.sec_channel_offset
= conf
->secondary_channel
;
9159 csa_settings
.freq_params
.ht_enabled
= conf
->ieee80211n
;
9160 csa_settings
.freq_params
.bandwidth
= conf
->secondary_channel
? 40 : 20;
9162 if (conf
->ieee80211ac
) {
9163 int freq1
= 0, freq2
= 0;
9166 if (ieee80211_freq_to_channel_ext(params
.freq
,
9167 conf
->secondary_channel
,
9168 conf
->vht_oper_chwidth
,
9170 NUM_HOSTAPD_MODES
) {
9171 wpa_printf(MSG_ERROR
, "P2P CSA: Bad freq");
9176 if (conf
->vht_oper_centr_freq_seg0_idx
)
9177 freq1
= ieee80211_chan_to_freq(
9179 conf
->vht_oper_centr_freq_seg0_idx
);
9181 if (conf
->vht_oper_centr_freq_seg1_idx
)
9182 freq2
= ieee80211_chan_to_freq(
9184 conf
->vht_oper_centr_freq_seg1_idx
);
9186 if (freq1
< 0 || freq2
< 0) {
9187 wpa_dbg(wpa_s
, MSG_DEBUG
,
9188 "P2P CSA: Selected invalid VHT center freqs");
9193 csa_settings
.freq_params
.vht_enabled
= conf
->ieee80211ac
;
9194 csa_settings
.freq_params
.center_freq1
= freq1
;
9195 csa_settings
.freq_params
.center_freq2
= freq2
;
9197 switch (conf
->vht_oper_chwidth
) {
9198 case CHANWIDTH_80MHZ
:
9199 case CHANWIDTH_80P80MHZ
:
9200 csa_settings
.freq_params
.bandwidth
= 80;
9202 case CHANWIDTH_160MHZ
:
9203 csa_settings
.freq_params
.bandwidth
= 160;
9208 ret
= ap_switch_channel(wpa_s
, &csa_settings
);
9210 current_ssid
->frequency
= old_freq
;
9211 hostapd_config_free(conf
);
9216 static void wpas_p2p_move_go_no_csa(struct wpa_supplicant
*wpa_s
)
9218 struct p2p_go_neg_results params
;
9219 struct wpa_ssid
*current_ssid
= wpa_s
->current_ssid
;
9221 wpa_msg_global(wpa_s
, MSG_INFO
, P2P_EVENT_REMOVE_AND_REFORM_GROUP
);
9223 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Move GO from freq=%d MHz",
9224 current_ssid
->frequency
);
9226 /* Stop the AP functionality */
9227 /* TODO: Should do this in a way that does not indicated to possible
9228 * P2P Clients in the group that the group is terminated. */
9229 wpa_supplicant_ap_deinit(wpa_s
);
9231 /* Reselect the GO frequency */
9232 if (wpas_p2p_init_go_params(wpa_s
, ¶ms
, 0, 0, 0, 0, 0, 0, NULL
)) {
9233 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Failed to reselect freq");
9234 wpas_p2p_group_delete(wpa_s
,
9235 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL
);
9238 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: New freq selected for the GO (%u MHz)",
9242 !p2p_supported_freq_go(wpa_s
->global
->p2p
, params
.freq
)) {
9243 wpa_printf(MSG_DEBUG
,
9244 "P2P: Selected freq (%u MHz) is not valid for P2P",
9246 wpas_p2p_group_delete(wpa_s
,
9247 P2P_GROUP_REMOVAL_GO_LEAVE_CHANNEL
);
9251 /* Update the frequency */
9252 current_ssid
->frequency
= params
.freq
;
9253 wpa_s
->connect_without_scan
= current_ssid
;
9254 wpa_s
->reassociate
= 1;
9255 wpa_s
->disconnected
= 0;
9256 wpa_supplicant_req_scan(wpa_s
, 0, 0);
9260 static void wpas_p2p_move_go(void *eloop_ctx
, void *timeout_ctx
)
9262 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
9264 if (!wpa_s
->ap_iface
|| !wpa_s
->current_ssid
)
9267 wpas_p2p_go_update_common_freqs(wpa_s
);
9269 /* Do not move GO in the middle of a CSA */
9270 if (hostapd_csa_in_progress(wpa_s
->ap_iface
)) {
9271 wpa_printf(MSG_DEBUG
,
9272 "P2P: CSA is in progress - not moving GO");
9277 * First, try a channel switch flow. If it is not supported or fails,
9278 * take down the GO and bring it up again.
9280 if (wpas_p2p_move_go_csa(wpa_s
) < 0)
9281 wpas_p2p_move_go_no_csa(wpa_s
);
9285 static void wpas_p2p_reconsider_moving_go(void *eloop_ctx
, void *timeout_ctx
)
9287 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
9288 struct wpa_used_freq_data
*freqs
= NULL
;
9289 unsigned int num
= wpa_s
->num_multichan_concurrent
;
9291 freqs
= os_calloc(num
, sizeof(struct wpa_used_freq_data
));
9295 num
= get_shared_radio_freqs_data(wpa_s
, freqs
, num
);
9297 /* Previous attempt to move a GO was not possible -- try again. */
9298 wpas_p2p_consider_moving_gos(wpa_s
, freqs
, num
,
9299 WPAS_P2P_CHANNEL_UPDATE_ANY
);
9306 * Consider moving a GO from its currently used frequency:
9307 * 1. It is possible that due to regulatory consideration the frequency
9308 * can no longer be used and there is a need to evacuate the GO.
9309 * 2. It is possible that due to MCC considerations, it would be preferable
9310 * to move the GO to a channel that is currently used by some other
9311 * station interface.
9313 * In case a frequency that became invalid is once again valid, cancel a
9314 * previously initiated GO frequency change.
9316 static void wpas_p2p_consider_moving_one_go(struct wpa_supplicant
*wpa_s
,
9317 struct wpa_used_freq_data
*freqs
,
9320 unsigned int i
, invalid_freq
= 0, policy_move
= 0, flags
= 0;
9321 unsigned int timeout
;
9325 wpas_p2p_go_update_common_freqs(wpa_s
);
9327 freq
= wpa_s
->current_ssid
->frequency
;
9328 dfs_offload
= (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DFS_OFFLOAD
) &&
9329 ieee80211_is_dfs(freq
, wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
);
9330 for (i
= 0, invalid_freq
= 0; i
< num
; i
++) {
9331 if (freqs
[i
].freq
== freq
) {
9332 flags
= freqs
[i
].flags
;
9334 /* The channel is invalid, must change it */
9335 if (!p2p_supported_freq_go(wpa_s
->global
->p2p
, freq
) &&
9337 wpa_dbg(wpa_s
, MSG_DEBUG
,
9338 "P2P: Freq=%d MHz no longer valid for GO",
9342 } else if (freqs
[i
].flags
== 0) {
9343 /* Freq is not used by any other station interface */
9345 } else if (!p2p_supported_freq(wpa_s
->global
->p2p
,
9346 freqs
[i
].freq
) && !dfs_offload
) {
9347 /* Freq is not valid for P2P use cases */
9349 } else if (wpa_s
->conf
->p2p_go_freq_change_policy
==
9350 P2P_GO_FREQ_MOVE_SCM
) {
9352 } else if (wpa_s
->conf
->p2p_go_freq_change_policy
==
9353 P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS
&&
9354 wpas_p2p_go_is_peer_freq(wpa_s
, freqs
[i
].freq
)) {
9356 } else if ((wpa_s
->conf
->p2p_go_freq_change_policy
==
9357 P2P_GO_FREQ_MOVE_SCM_ECSA
) &&
9358 wpas_p2p_go_is_peer_freq(wpa_s
, freqs
[i
].freq
)) {
9359 if (!p2p_get_group_num_members(wpa_s
->p2p_group
)) {
9361 } else if ((wpa_s
->drv_flags
&
9362 WPA_DRIVER_FLAGS_AP_CSA
) &&
9363 wpas_p2p_go_clients_support_ecsa(wpa_s
)) {
9367 * We do not support CSA between bands, so move
9368 * GO only within the same band.
9370 if (wpa_s
->ap_iface
->current_mode
->mode
==
9371 ieee80211_freq_to_chan(freqs
[i
].freq
,
9378 wpa_dbg(wpa_s
, MSG_DEBUG
,
9379 "P2P: GO move: invalid_freq=%u, policy_move=%u, flags=0x%X",
9380 invalid_freq
, policy_move
, flags
);
9383 * The channel is valid, or we are going to have a policy move, so
9386 if (!invalid_freq
|| policy_move
) {
9387 wpa_dbg(wpa_s
, MSG_DEBUG
,
9388 "P2P: Cancel a GO move from freq=%d MHz", freq
);
9389 eloop_cancel_timeout(wpas_p2p_move_go
, wpa_s
, NULL
);
9391 if (wpas_p2p_in_progress(wpa_s
)) {
9392 wpa_dbg(wpa_s
, MSG_DEBUG
,
9393 "P2P: GO move: policy CS is not allowed - setting timeout to re-consider GO move");
9394 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go
,
9396 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY
, 0,
9397 wpas_p2p_reconsider_moving_go
,
9403 if (!invalid_freq
&& (!policy_move
|| flags
!= 0)) {
9404 wpa_dbg(wpa_s
, MSG_DEBUG
,
9405 "P2P: Not initiating a GO frequency change");
9410 * Do not consider moving GO if it is in the middle of a CSA. When the
9411 * CSA is finished this flow should be retriggered.
9413 if (hostapd_csa_in_progress(wpa_s
->ap_iface
)) {
9414 wpa_dbg(wpa_s
, MSG_DEBUG
,
9415 "P2P: Not initiating a GO frequency change - CSA is in progress");
9419 if (invalid_freq
&& !wpas_p2p_disallowed_freq(wpa_s
->global
, freq
))
9420 timeout
= P2P_GO_FREQ_CHANGE_TIME
;
9424 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Move GO from freq=%d MHz in %d secs",
9426 eloop_cancel_timeout(wpas_p2p_move_go
, wpa_s
, NULL
);
9427 eloop_register_timeout(timeout
, 0, wpas_p2p_move_go
, wpa_s
, NULL
);
9431 static void wpas_p2p_consider_moving_gos(struct wpa_supplicant
*wpa_s
,
9432 struct wpa_used_freq_data
*freqs
,
9434 enum wpas_p2p_channel_update_trig trig
)
9436 struct wpa_supplicant
*ifs
;
9438 eloop_cancel_timeout(wpas_p2p_reconsider_moving_go
, ELOOP_ALL_CTX
,
9442 * Travers all the radio interfaces, and for each GO interface, check
9443 * if there is a need to move the GO from the frequency it is using,
9444 * or in case the frequency is valid again, cancel the evacuation flow.
9446 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
9448 if (ifs
->current_ssid
== NULL
||
9449 ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
)
9453 * The GO was just started or completed channel switch, no need
9457 (trig
== WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE
||
9458 trig
== WPAS_P2P_CHANNEL_UPDATE_CS
)) {
9459 wpa_dbg(wpa_s
, MSG_DEBUG
,
9460 "P2P: GO move - schedule re-consideration");
9461 eloop_register_timeout(P2P_RECONSIDER_GO_MOVE_DELAY
, 0,
9462 wpas_p2p_reconsider_moving_go
,
9467 wpas_p2p_consider_moving_one_go(ifs
, freqs
, num
);
9472 void wpas_p2p_indicate_state_change(struct wpa_supplicant
*wpa_s
)
9474 if (wpa_s
->global
->p2p_disabled
|| wpa_s
->global
->p2p
== NULL
)
9477 wpas_p2p_update_channel_list(wpa_s
,
9478 WPAS_P2P_CHANNEL_UPDATE_STATE_CHANGE
);
9482 void wpas_p2p_deinit_iface(struct wpa_supplicant
*wpa_s
)
9484 if (wpa_s
== wpa_s
->global
->p2p_init_wpa_s
&& wpa_s
->global
->p2p
) {
9485 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disable P2P since removing "
9486 "the management interface is being removed");
9487 wpas_p2p_deinit_global(wpa_s
->global
);
9492 void wpas_p2p_ap_deinit(struct wpa_supplicant
*wpa_s
)
9494 if (wpa_s
->ap_iface
->bss
)
9495 wpa_s
->ap_iface
->bss
[0]->p2p_group
= NULL
;
9496 wpas_p2p_group_deinit(wpa_s
);
9500 int wpas_p2p_lo_start(struct wpa_supplicant
*wpa_s
, unsigned int freq
,
9501 unsigned int period
, unsigned int interval
,
9504 struct p2p_data
*p2p
= wpa_s
->global
->p2p
;
9506 size_t dev_types_len
;
9510 if (wpa_s
->p2p_lo_started
) {
9511 wpa_dbg(wpa_s
, MSG_DEBUG
,
9512 "P2P Listen offload is already started");
9516 if (wpa_s
->global
->p2p
== NULL
||
9517 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD
)) {
9518 wpa_printf(MSG_DEBUG
, "P2P: Listen offload not supported");
9522 if (!p2p_supported_freq(wpa_s
->global
->p2p
, freq
)) {
9523 wpa_printf(MSG_ERROR
, "P2P: Input channel not supported: %u",
9528 /* Get device type */
9529 dev_types_len
= (wpa_s
->conf
->num_sec_device_types
+ 1) *
9531 device_types
= os_malloc(dev_types_len
);
9534 os_memcpy(device_types
, wpa_s
->conf
->device_type
, WPS_DEV_TYPE_LEN
);
9535 os_memcpy(&device_types
[WPS_DEV_TYPE_LEN
], wpa_s
->conf
->sec_device_type
,
9536 wpa_s
->conf
->num_sec_device_types
* WPS_DEV_TYPE_LEN
);
9538 /* Get Probe Response IE(s) */
9539 buf
= p2p_build_probe_resp_template(p2p
, freq
);
9541 os_free(device_types
);
9545 ret
= wpa_drv_p2p_lo_start(wpa_s
, freq
, period
, interval
, count
,
9546 device_types
, dev_types_len
,
9547 wpabuf_mhead_u8(buf
), wpabuf_len(buf
));
9549 wpa_dbg(wpa_s
, MSG_DEBUG
,
9550 "P2P: Failed to start P2P listen offload");
9552 os_free(device_types
);
9556 wpa_s
->p2p_lo_started
= 1;
9558 /* Stop current P2P listen if any */
9559 wpas_stop_listen(wpa_s
);
9566 int wpas_p2p_lo_stop(struct wpa_supplicant
*wpa_s
)
9570 if (!wpa_s
->p2p_lo_started
)
9573 ret
= wpa_drv_p2p_lo_stop(wpa_s
);
9575 wpa_dbg(wpa_s
, MSG_DEBUG
,
9576 "P2P: Failed to stop P2P listen offload");
9578 wpa_s
->p2p_lo_started
= 0;