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openwrt-xburst/package/mac80211/patches/511-ath9k_per_chan_nf.patch
nbd 3d7914783f ath9k: fetch survey data for all channels
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23154 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-09-29 15:16:13 +00:00

98 lines
2.7 KiB
Diff

--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -342,7 +342,6 @@ struct ath9k_hw_cal_data {
int32_t CalValid;
int8_t iCoff;
int8_t qCoff;
- int16_t rawNoiseFloor;
bool paprd_done;
bool nfcal_pending;
bool nfcal_interference;
@@ -356,6 +355,7 @@ struct ath9k_channel {
u16 channel;
u32 channelFlags;
u32 chanmode;
+ s16 noisefloor;
};
#define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -346,34 +346,34 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
struct ieee80211_channel *c = chan->chan;
struct ath9k_hw_cal_data *caldata = ah->caldata;
- if (!caldata)
- return false;
-
chan->channelFlags &= (~CHANNEL_CW_INT);
if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
ath_print(common, ATH_DBG_CALIBRATE,
"NF did not complete in calibration window\n");
- nf = 0;
- caldata->rawNoiseFloor = nf;
return false;
- } else {
- ath9k_hw_do_getnf(ah, nfarray);
- ath9k_hw_nf_sanitize(ah, nfarray);
- nf = nfarray[0];
- if (ath9k_hw_get_nf_thresh(ah, c->band, &nfThresh)
- && nf > nfThresh) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "noise floor failed detected; "
- "detected %d, threshold %d\n",
- nf, nfThresh);
- chan->channelFlags |= CHANNEL_CW_INT;
- }
+ }
+
+ ath9k_hw_do_getnf(ah, nfarray);
+ ath9k_hw_nf_sanitize(ah, nfarray);
+ nf = nfarray[0];
+ if (ath9k_hw_get_nf_thresh(ah, c->band, &nfThresh)
+ && nf > nfThresh) {
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "noise floor failed detected; "
+ "detected %d, threshold %d\n",
+ nf, nfThresh);
+ chan->channelFlags |= CHANNEL_CW_INT;
+ }
+
+ if (!caldata) {
+ chan->noisefloor = nf;
+ return false;
}
h = caldata->nfCalHist;
caldata->nfcal_pending = false;
ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray);
- caldata->rawNoiseFloor = h[0].privNF;
+ chan->noisefloor = h[0].privNF;
return true;
}
@@ -401,10 +401,10 @@ void ath9k_init_nfcal_hist_buffer(struct
s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
{
- if (!ah->caldata || !ah->caldata->rawNoiseFloor)
+ if (!ah->curchan || !ah->curchan->noisefloor)
return ath9k_hw_get_default_nf(ah, chan);
- return ah->caldata->rawNoiseFloor;
+ return ah->curchan->noisefloor;
}
EXPORT_SYMBOL(ath9k_hw_getchan_noise);
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1251,7 +1251,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
return -EIO;
- if (curchan && !ah->chip_fullsleep && ah->caldata)
+ if (curchan && !ah->chip_fullsleep)
ath9k_hw_getnf(ah, curchan);
ah->caldata = caldata;