diff options
Diffstat (limited to 'package/mac80211/patches')
| -rw-r--r-- | package/mac80211/patches/526-ath9k_survey_channel_stats.patch | 48 |
1 files changed, 33 insertions, 15 deletions
diff --git a/package/mac80211/patches/526-ath9k_survey_channel_stats.patch b/package/mac80211/patches/526-ath9k_survey_channel_stats.patch index 842dc812a..57ba398b0 100644 --- a/package/mac80211/patches/526-ath9k_survey_channel_stats.patch +++ b/package/mac80211/patches/526-ath9k_survey_channel_stats.patch @@ -11,7 +11,7 @@ struct tasklet_struct bcon_tasklet; --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -176,6 +176,49 @@ static void ath_start_ani(struct ath_com +@@ -176,6 +176,44 @@ static void ath_start_ani(struct ath_com msecs_to_jiffies((u32)ah->config.ani_poll_interval)); } @@ -34,11 +34,8 @@ + int pos = ah->curchan - &ah->channels[0]; + struct survey_info *survey = &sc->survey[pos]; + struct ath_cycle_counters *cc = &common->cc_survey; -+ unsigned long flags; + unsigned int div = common->clockrate * 1000; + -+ spin_lock_irqsave(&common->cc_lock, flags); -+ + ath_hw_cycle_counters_update(common); + + if (cc->cycles > 0) { @@ -54,14 +51,20 @@ + memset(cc, 0, sizeof(*cc)); + + ath_update_survey_nf(sc, pos); -+ -+ spin_unlock_irqrestore(&common->cc_lock, flags); +} + /* * Set/change channels. If the channel is really being changed, it's done * by reseting the chip. To accomplish this we must first cleanup any pending -@@ -1533,7 +1576,8 @@ static int ath9k_config(struct ieee80211 +@@ -454,6 +492,7 @@ void ath_ani_calibrate(unsigned long dat + if (aniflag) { + spin_lock_irqsave(&common->cc_lock, flags); + ath9k_hw_ani_monitor(ah, ah->curchan); ++ ath_update_survey_stats(sc); + spin_unlock_irqrestore(&common->cc_lock, flags); + } + +@@ -1533,7 +1572,8 @@ static int ath9k_config(struct ieee80211 { struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; @@ -71,23 +74,26 @@ struct ieee80211_conf *conf = &hw->conf; bool disable_radio; -@@ -1599,6 +1643,10 @@ static int ath9k_config(struct ieee80211 +@@ -1599,6 +1639,11 @@ static int ath9k_config(struct ieee80211 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { struct ieee80211_channel *curchan = hw->conf.channel; int pos = curchan->hw_value; + int old_pos = -1; ++ unsigned long flags; + + if (ah->curchan) + old_pos = ah->curchan - &ah->channels[0]; aphy->chan_idx = pos; aphy->chan_is_ht = conf_is_ht(conf); -@@ -1626,12 +1674,43 @@ static int ath9k_config(struct ieee80211 +@@ -1626,12 +1671,45 @@ static int ath9k_config(struct ieee80211 ath_update_chainmask(sc, conf_is_ht(conf)); + /* update survey stats for the old channel before switching */ ++ spin_lock_irqsave(&common->cc_lock, flags); + ath_update_survey_stats(sc); ++ spin_unlock_irqrestore(&common->cc_lock, flags); + + /* + * If the operating channel changes, change the survey in-use flags @@ -126,25 +132,31 @@ } skip_chan_change: -@@ -2001,9 +2080,12 @@ static int ath9k_get_survey(struct ieee8 +@@ -2001,9 +2079,15 @@ 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(sc->sc_ah); struct ieee80211_supported_band *sband; - struct ath9k_channel *chan; + struct ieee80211_channel *chan; ++ unsigned long flags; + int pos; + ++ spin_lock_irqsave(&common->cc_lock, flags); + if (idx == 0) + ath_update_survey_stats(sc); sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ]; if (sband && idx >= sband->n_channels) { -@@ -2017,17 +2099,10 @@ static int ath9k_get_survey(struct ieee8 - if (!sband || idx >= sband->n_channels) - return -ENOENT; +@@ -2014,21 +2098,17 @@ static int ath9k_get_survey(struct ieee8 + if (!sband) + sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ]; +- if (!sband || idx >= sband->n_channels) +- return -ENOENT; +- - survey->channel = &sband->channels[idx]; - chan = &ah->channels[survey->channel->hw_value]; - survey->filled = 0; @@ -155,11 +167,17 @@ - if (chan->noisefloor) { - survey->filled |= SURVEY_INFO_NOISE_DBM; - survey->noise = chan->noisefloor; -- } ++ if (!sband || idx >= sband->n_channels) { ++ spin_unlock_irqrestore(&common->cc_lock, flags); ++ return -ENOENT; + } + + chan = &sband->channels[idx]; + pos = chan->hw_value; + memcpy(survey, &sc->survey[pos], sizeof(*survey)); + survey->channel = chan; - ++ spin_unlock_irqrestore(&common->cc_lock, flags); ++ return 0; } + |