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Reschedule own scan request if an externally started one is in progress

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This avoids some unnecessary attempts to request the driver to start a
scan while it is still busy with the scan operation that was started by
an external program.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-12-26 17:53:20 +02:00
parent dc3906cb2d
commit 1cd93ff743
1 changed files with 11 additions and 0 deletions
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11
wpa_supplicant/scan.c
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@ -508,6 +508,17 @@ static void wpa_supplicant_scan(void *eloop_ctx, void *timeout_ctx)
return; return;
} }
if (wpa_s->external_scan_running) {
struct os_reltime now, diff;
os_get_reltime(&now);
os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
if (diff.sec < 30) {
wpa_dbg(wpa_s, MSG_DEBUG, "Externally triggered scan running - Reschedule the incoming scan req");
wpa_supplicant_req_scan(wpa_s, 1, 0);
return;
}
}
if (!wpa_supplicant_enabled_networks(wpa_s) && if (!wpa_supplicant_enabled_networks(wpa_s) &&
wpa_s->scan_req == NORMAL_SCAN_REQ) { wpa_s->scan_req == NORMAL_SCAN_REQ) {
wpa_dbg(wpa_s, MSG_DEBUG, "No enabled networks - do not scan"); wpa_dbg(wpa_s, MSG_DEBUG, "No enabled networks - do not scan");