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Use 6 GHz default noise when estimating 6 GHz SNR

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wpa_supplicant underestimates 6 GHz SNR as it assumes 2 GHz default
noise in the estimation.

Use 6 GHz default noise when estimating 6 GHz SNR.

Signed-off-by: Kaidong Wang <kaidong@chromium.org>
This commit is contained in:
Kaidong Wang 2023-08-28 23:58:32 +00:00 committed by Jouni Malinen
parent 7a73399321
commit 2563edb8c5
1 changed files with 9 additions and 3 deletions
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12
wpa_supplicant/events.c
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@ -1963,9 +1963,15 @@ static void wpa_supplicant_rsn_preauth_scan_results(
static int wpas_get_snr_signal_info(u32 frequency, int avg_signal, int noise)
{
if (noise == WPA_INVALID_NOISE)
noise = IS_5GHZ(frequency) ? DEFAULT_NOISE_FLOOR_5GHZ :
DEFAULT_NOISE_FLOOR_2GHZ;
if (noise == WPA_INVALID_NOISE) {
if (IS_5GHZ(frequency)) {
noise = DEFAULT_NOISE_FLOOR_5GHZ;
} else if (is_6ghz_freq(frequency)) {
noise = DEFAULT_NOISE_FLOOR_6GHZ;
} else {
noise = DEFAULT_NOISE_FLOOR_2GHZ;
}
}
return avg_signal - noise;
}