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bgscan-simple: Poll for signal in init

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It is not guaranteed that we will get a CQM signal shortly after setting
up monitoring. In order to establish the correct initial background
scanning rate, poll directly for the signal strength.

Signed-off-by: Paul Stewart
This commit is contained in:
Paul Stewart 2011-03-31 18:02:37 +03:00 committed by Jouni Malinen
parent 1c5c7273f5
commit db03ddacff
1 changed files with 9 additions and 0 deletions
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9
wpa_supplicant/bgscan_simple.c
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@ -122,6 +122,15 @@ static void * bgscan_simple_init(struct wpa_supplicant *wpa_s,
}
data->scan_interval = data->short_interval;
if (data->signal_threshold) {
/* Poll for signal info to set initial scan interval */
struct wpa_signal_info siginfo;
if (wpa_drv_signal_poll(wpa_s, &siginfo) == 0 &&
siginfo.current_signal >= data->signal_threshold)
data->scan_interval = data->long_interval;
}
wpa_printf(MSG_DEBUG, "bgscan simple: Init scan interval: %d",
data->scan_interval);
eloop_register_timeout(data->scan_interval, 0, bgscan_simple_timeout,
data, NULL);