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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-05-31 23:07:29 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-05-31 23:07:29 +0000
commitd349dd54e7b15d674e13020f71d9644607789a1f (patch)
tree162dd92bedb9c34bcb7e81601626a31f2a7553fb /package/mac80211/patches/530-ath9k_noise_dbm_fixup.patch
parent269c6430d734fa76d87a04c9df85ae8a4dcab03b (diff)
mac80211: update to wireless-testing 2011-05-27
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27071 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/530-ath9k_noise_dbm_fixup.patch')
-rw-r--r--package/mac80211/patches/530-ath9k_noise_dbm_fixup.patch99
1 files changed, 99 insertions, 0 deletions
diff --git a/package/mac80211/patches/530-ath9k_noise_dbm_fixup.patch b/package/mac80211/patches/530-ath9k_noise_dbm_fixup.patch
new file mode 100644
index 0000000000..8f72207316
--- /dev/null
+++ b/package/mac80211/patches/530-ath9k_noise_dbm_fixup.patch
@@ -0,0 +1,99 @@
+--- a/drivers/net/wireless/ath/ath9k/calib.c
++++ b/drivers/net/wireless/ath/ath9k/calib.c
+@@ -63,6 +63,19 @@ static s16 ath9k_hw_get_default_nf(struc
+ return ath9k_hw_get_nf_limits(ah, chan)->nominal;
+ }
+
++s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
++{
++ s8 noise = ATH_DEFAULT_NOISE_FLOOR;
++
++ if (chan && chan->noisefloor) {
++ s8 delta = chan->noisefloor -
++ ath9k_hw_get_default_nf(ah, chan);
++ if (delta > 0)
++ noise += delta;
++ }
++ return noise;
++}
++EXPORT_SYMBOL(ath9k_hw_getchan_noise);
+
+ static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,
+ struct ath9k_hw_cal_data *cal,
+@@ -378,6 +391,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
+
+ if (!caldata) {
+ chan->noisefloor = nf;
++ ah->noise = ath9k_hw_getchan_noise(ah, chan);
+ return false;
+ }
+
+@@ -385,6 +399,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
+ caldata->nfcal_pending = false;
+ ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray);
+ chan->noisefloor = h[0].privNF;
++ ah->noise = ath9k_hw_getchan_noise(ah, chan);
+ return true;
+ }
+
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1344,6 +1344,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ memset(caldata, 0, sizeof(*caldata));
+ ath9k_init_nfcal_hist_buffer(ah, chan);
+ }
++ ah->noise = ath9k_hw_getchan_noise(ah, chan);
+
+ if (bChannelChange &&
+ (ah->chip_fullsleep != true) &&
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
+@@ -687,6 +687,7 @@ struct ath_hw {
+ enum nl80211_iftype opmode;
+ enum ath9k_power_mode power_mode;
+
++ s8 noise;
+ struct ath9k_hw_cal_data *caldata;
+ struct ath9k_pacal_info pacal_info;
+ struct ar5416Stats stats;
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -163,7 +163,7 @@ static void ath_update_survey_nf(struct
+
+ if (chan->noisefloor) {
+ survey->filled |= SURVEY_INFO_NOISE_DBM;
+- survey->noise = chan->noisefloor;
++ survey->noise = ath9k_hw_getchan_noise(ah, chan);
+ }
+ }
+
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -985,6 +985,8 @@ static int ath9k_rx_skb_preprocess(struc
+ struct ieee80211_rx_status *rx_status,
+ bool *decrypt_error)
+ {
++ struct ath_hw *ah = common->ah;
++
+ memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
+
+ /*
+@@ -1005,7 +1007,7 @@ static int ath9k_rx_skb_preprocess(struc
+
+ 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;
++ rx_status->signal = ah->noise + rx_stats->rs_rssi;
+ rx_status->antenna = rx_stats->rs_antenna;
+ rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+
+--- a/drivers/net/wireless/ath/ath9k/calib.h
++++ b/drivers/net/wireless/ath/ath9k/calib.h
+@@ -108,6 +108,7 @@ void ath9k_init_nfcal_hist_buffer(struct
+ void ath9k_hw_bstuck_nfcal(struct ath_hw *ah);
+ void ath9k_hw_reset_calibration(struct ath_hw *ah,
+ struct ath9k_cal_list *currCal);
++s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
+
+
+ #endif /* CALIB_H */