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P2P: Optimize scan timeouts for group formation

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This commit is contained in:
Jouni Malinen 2010-07-18 14:30:25 -07:00 committed by Jouni Malinen
parent 5f3a6aa0a4
commit 0817de904e
2 changed files with 40 additions and 0 deletions
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10
wpa_supplicant/events.c
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@ -856,6 +856,16 @@ static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
} else {
int timeout_sec = 5;
int timeout_usec = 0;
#ifdef CONFIG_P2P
if (wpa_s->p2p_in_provisioning) {
/*
* Use shorter wait during P2P Provisioning
* state to speed up group formation.
*/
timeout_sec = 0;
timeout_usec = 250000;
}
#endif /* CONFIG_P2P */
wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
timeout_usec);
}

30
wpa_supplicant/scan.c
View file

@ -383,6 +383,36 @@ static void wpa_supplicant_scan(void *eloop_ctx, void *timeout_ctx)
wpa_printf(MSG_DEBUG, "Starting AP scan for wildcard SSID");
}
#ifdef CONFIG_P2P
wpa_s->wps->dev.p2p = 1;
if (!wps) {
wps = 1;
req_type = WPS_REQ_ENROLLEE;
}
if (params.freqs == NULL && wpa_s->p2p_in_provisioning &&
wpa_s->go_params) {
/* Optimize provisioning state scan based on GO information */
if (wpa_s->p2p_in_provisioning < 5 &&
wpa_s->go_params->freq > 0) {
wpa_printf(MSG_DEBUG, "P2P: Scan only GO preferred "
"frequency %d MHz",
wpa_s->go_params->freq);
params.freqs = os_zalloc(2 * sizeof(int));
if (params.freqs)
params.freqs[0] = wpa_s->go_params->freq;
} else if (wpa_s->go_params->freq_list[0]) {
wpa_printf(MSG_DEBUG, "P2P: Scan only common "
"channels");
int_array_concat(&params.freqs,
wpa_s->go_params->freq_list);
if (params.freqs)
int_array_sort_unique(params.freqs);
}
wpa_s->p2p_in_provisioning++;
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_WPS
if (params.freqs == NULL && wpa_s->after_wps && wpa_s->wps_freq) {
/*