mirror of https://github.com/hak5/openwrt.git
89 lines
2.7 KiB
Diff
89 lines
2.7 KiB
Diff
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--- a/drivers/net/wireless/ath/ath9k/calib.c
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+++ b/drivers/net/wireless/ath/ath9k/calib.c
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@@ -365,6 +365,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
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if (!caldata) {
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chan->noisefloor = nf;
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+ ah->noise = ath9k_hw_getchan_noise(ah, chan);
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return false;
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}
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@@ -372,6 +373,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
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caldata->nfcal_pending = false;
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ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray);
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chan->noisefloor = h[0].privNF;
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+ ah->noise = ath9k_hw_getchan_noise(ah, chan);
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return true;
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}
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@@ -398,10 +400,15 @@ void ath9k_init_nfcal_hist_buffer(struct
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s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
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{
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- if (!ah->curchan || !ah->curchan->noisefloor)
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- return ath9k_hw_get_default_nf(ah, chan);
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+ s8 noise = ATH_DEFAULT_NOISE_FLOOR;
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- return ah->curchan->noisefloor;
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+ if (chan && chan->noisefloor) {
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+ s8 delta = chan->noisefloor -
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+ ath9k_hw_get_default_nf(ah, chan);
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+ if (delta > 0)
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+ noise += delta;
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+ }
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+ return noise;
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}
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EXPORT_SYMBOL(ath9k_hw_getchan_noise);
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--- a/drivers/net/wireless/ath/ath9k/hw.c
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+++ b/drivers/net/wireless/ath/ath9k/hw.c
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@@ -1286,6 +1286,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
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memset(caldata, 0, sizeof(*caldata));
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ath9k_init_nfcal_hist_buffer(ah, chan);
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}
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+ ah->noise = ath9k_hw_getchan_noise(ah, chan);
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if (bChannelChange &&
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(ah->chip_fullsleep != true) &&
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--- a/drivers/net/wireless/ath/ath9k/hw.h
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+++ b/drivers/net/wireless/ath/ath9k/hw.h
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@@ -677,6 +677,7 @@ struct ath_hw {
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enum nl80211_iftype opmode;
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enum ath9k_power_mode power_mode;
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+ s8 noise;
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struct ath9k_hw_cal_data *caldata;
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struct ath9k_pacal_info pacal_info;
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struct ar5416Stats stats;
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -165,7 +165,7 @@ static void ath_update_survey_nf(struct
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if (chan->noisefloor) {
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survey->filled |= SURVEY_INFO_NOISE_DBM;
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- survey->noise = chan->noisefloor;
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+ survey->noise = ath9k_hw_getchan_noise(ah, chan);
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}
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}
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--- a/drivers/net/wireless/ath/ath9k/recv.c
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+++ b/drivers/net/wireless/ath/ath9k/recv.c
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@@ -956,6 +956,8 @@ static int ath9k_rx_skb_preprocess(struc
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struct ieee80211_rx_status *rx_status,
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bool *decrypt_error)
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{
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+ struct ath_hw *ah = common->ah;
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+
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memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
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/*
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@@ -976,7 +978,7 @@ static int ath9k_rx_skb_preprocess(struc
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rx_status->band = hw->conf.channel->band;
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rx_status->freq = hw->conf.channel->center_freq;
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- rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
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+ rx_status->signal = ah->noise + rx_stats->rs_rssi;
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rx_status->antenna = rx_stats->rs_antenna;
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rx_status->flag |= RX_FLAG_MACTIME_MPDU;
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