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ath9k: fetch survey data for all channels

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SVN-Revision: 23154
master
Felix Fietkau 14 years ago
parent d328e72247
commit 6f8a738587
6 changed files with 272 additions and 0 deletions
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  1. 27
      package/mac80211/patches/510-ath9k_htc_remove_ani_nf.patch
  2. 97
      package/mac80211/patches/511-ath9k_per_chan_nf.patch
  3. 23
      package/mac80211/patches/512-ath9k_survey_no_bogus_nf.patch
  4. 39
      package/mac80211/patches/513-ath9k_remove_ani_nf.patch
  5. 46
      package/mac80211/patches/514-mac80211_survey_chan_in_use.patch
  6. 40
      package/mac80211/patches/515-ath9k_multi_channel_nf.patch

27
package/mac80211/patches/510-ath9k_htc_remove_ani_nf.patch
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@ -0,0 +1,27 @@
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -760,23 +760,12 @@ void ath9k_ani_work(struct work_struct *
ath9k_hw_ani_monitor(ah, ah->curchan);
/* Perform calibration if necessary */
- if (longcal || shortcal) {
+ if (longcal || shortcal)
common->ani.caldone =
ath9k_hw_calibrate(ah, ah->curchan,
common->rx_chainmask,
longcal);
- if (longcal)
- common->ani.noise_floor =
- ath9k_hw_getchan_noise(ah, ah->curchan);
-
- ath_print(common, ATH_DBG_ANI,
- " calibrate chan %u/%x nf: %d\n",
- ah->curchan->channel,
- ah->curchan->channelFlags,
- common->ani.noise_floor);
- }
-
ath9k_htc_ps_restore(priv);
}

97
package/mac80211/patches/511-ath9k_per_chan_nf.patch
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@ -0,0 +1,97 @@
--- 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;

23
package/mac80211/patches/512-ath9k_survey_no_bogus_nf.patch
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@ -0,0 +1,23 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2005,15 +2005,17 @@ static int ath9k_get_survey(struct ieee8
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_conf *conf = &hw->conf;
if (idx != 0)
return -ENOENT;
survey->channel = conf->channel;
- survey->filled = SURVEY_INFO_NOISE_DBM;
- survey->noise = common->ani.noise_floor;
+ survey->filled = 0;
+ if (ah->curchan && ah->curchan->noisefloor) {
+ survey->filled |= SURVEY_INFO_NOISE_DBM;
+ survey->noise = ah->curchan->noisefloor;
+ }
return 0;
}

39
package/mac80211/patches/513-ath9k_remove_ani_nf.patch
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@ -0,0 +1,39 @@
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -35,7 +35,6 @@ static const u8 ath_bcast_mac[ETH_ALEN]
struct ath_ani {
bool caldone;
- int16_t noise_floor;
unsigned int longcal_timer;
unsigned int shortcal_timer;
unsigned int resetcal_timer;
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -507,7 +507,6 @@ static void ath9k_init_misc(struct ath_s
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
int i = 0;
- common->ani.noise_floor = ATH_DEFAULT_NOISE_FLOOR;
setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
sc->config.txpowlimit = ATH_TXPOWER_MAX;
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -460,16 +460,6 @@ void ath_ani_calibrate(unsigned long dat
ah->curchan,
common->rx_chainmask,
longcal);
-
- if (longcal)
- common->ani.noise_floor = ath9k_hw_getchan_noise(ah,
- ah->curchan);
-
- ath_print(common, ATH_DBG_ANI,
- " calibrate chan %u/%x nf: %d\n",
- ah->curchan->channel,
- ah->curchan->channelFlags,
- common->ani.noise_floor);
}
}

46
package/mac80211/patches/514-mac80211_survey_chan_in_use.patch
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@ -0,0 +1,46 @@
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -294,12 +294,14 @@ struct key_params {
* enum survey_info_flags - survey information flags
*
* @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in
+ * @SURVEY_INFO_IN_USE: channel is currently being used
*
* Used by the driver to indicate which info in &struct survey_info
* it has filled in during the get_survey().
*/
enum survey_info_flags {
SURVEY_INFO_NOISE_DBM = 1<<0,
+ SURVEY_INFO_IN_USE = 1<<1,
};
/**
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1400,6 +1400,7 @@ enum nl80211_reg_rule_flags {
* @__NL80211_SURVEY_INFO_INVALID: attribute number 0 is reserved
* @NL80211_SURVEY_INFO_FREQUENCY: center frequency of channel
* @NL80211_SURVEY_INFO_NOISE: noise level of channel (u8, dBm)
+ * @NL80211_SURVEY_INFO_IN_USE: channel is currently being used
* @NL80211_SURVEY_INFO_MAX: highest survey info attribute number
* currently defined
* @__NL80211_SURVEY_INFO_AFTER_LAST: internal use
@@ -1408,6 +1409,7 @@ enum nl80211_survey_info {
__NL80211_SURVEY_INFO_INVALID,
NL80211_SURVEY_INFO_FREQUENCY,
NL80211_SURVEY_INFO_NOISE,
+ NL80211_SURVEY_INFO_IN_USE,
/* keep last */
__NL80211_SURVEY_INFO_AFTER_LAST,
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3491,6 +3491,8 @@ static int nl80211_send_survey(struct sk
if (survey->filled & SURVEY_INFO_NOISE_DBM)
NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE,
survey->noise);
+ if (survey->filled & SURVEY_INFO_IN_USE)
+ NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE);
nla_nest_end(msg, infoattr);

40
package/mac80211/patches/515-ath9k_multi_channel_nf.patch
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@ -0,0 +1,40 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1995,16 +1995,31 @@ static int ath9k_get_survey(struct ieee8
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_hw *ah = sc->sc_ah;
- struct ieee80211_conf *conf = &hw->conf;
+ struct ieee80211_supported_band *sband;
+ struct ath9k_channel *chan;
- if (idx != 0)
- return -ENOENT;
+ sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
+ if (sband && idx >= sband->n_channels) {
+ idx -= sband->n_channels;
+ sband = NULL;
+ }
+
+ if (!sband)
+ sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
+
+ if (idx >= sband->n_channels)
+ return -ENOENT;
- survey->channel = conf->channel;
+ survey->channel = &sband->channels[idx];
+ chan = &ah->channels[survey->channel->hw_value];
survey->filled = 0;
- if (ah->curchan && ah->curchan->noisefloor) {
+
+ if (chan == ah->curchan)
+ survey->filled |= SURVEY_INFO_IN_USE;
+
+ if (chan->noisefloor) {
survey->filled |= SURVEY_INFO_NOISE_DBM;
- survey->noise = ah->curchan->noisefloor;
+ survey->noise = chan->noisefloor;
}
return 0;
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