The reported RSSI values are relative to the calibrated noise floor, not
relative to a hardcoded value of -95.
Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/recv.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index a9c3f46..87d96c5 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -959,6 +959,9 @@ static int ath9k_rx_skb_preprocess(struct ath_common *common,
struct ieee80211_rx_status *rx_status,
bool *decrypt_error)
{
+ struct ath_hw *ah = common->ah;
+ int noise;
+
memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
/*
@@ -979,7 +982,13 @@ static int ath9k_rx_skb_preprocess(struct ath_common *common,
rx_status->band = hw->conf.channel->band;
rx_status->freq = hw->conf.channel->center_freq;
- rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
+
+ if (ah->curchan)
+ noise = ah->curchan->noisefloor;
+ else
+ noise = ATH_DEFAULT_NOISE_FLOOR;
+
+ rx_status->signal = noise + rx_stats->rs_rssi;
rx_status->antenna = rx_stats->rs_antenna;
rx_status->flag |= RX_FLAG_MACTIME_MPDU;
--
1.7.3.2
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
