diff options
Diffstat (limited to 'package/mac80211/patches/526-ath9k_survey_channel_stats.patch')
| -rw-r--r-- | package/mac80211/patches/526-ath9k_survey_channel_stats.patch | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/package/mac80211/patches/526-ath9k_survey_channel_stats.patch b/package/mac80211/patches/526-ath9k_survey_channel_stats.patch deleted file mode 100644 index 57ba398b0..000000000 --- a/package/mac80211/patches/526-ath9k_survey_channel_stats.patch +++ /dev/null @@ -1,183 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/ath9k.h -+++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -594,6 +594,8 @@ struct ath_softc { - struct delayed_work wiphy_work; - unsigned long wiphy_scheduler_int; - int wiphy_scheduler_index; -+ struct survey_info *cur_survey; -+ struct survey_info survey[ATH9K_NUM_CHANNELS]; - - struct tasklet_struct intr_tq; - struct tasklet_struct bcon_tasklet; ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -176,6 +176,44 @@ static void ath_start_ani(struct ath_com - msecs_to_jiffies((u32)ah->config.ani_poll_interval)); - } - -+static void ath_update_survey_nf(struct ath_softc *sc, int channel) -+{ -+ struct ath_hw *ah = sc->sc_ah; -+ struct ath9k_channel *chan = &ah->channels[channel]; -+ struct survey_info *survey = &sc->survey[channel]; -+ -+ if (chan->noisefloor) { -+ survey->filled |= SURVEY_INFO_NOISE_DBM; -+ survey->noise = chan->noisefloor; -+ } -+} -+ -+static void ath_update_survey_stats(struct ath_softc *sc) -+{ -+ struct ath_hw *ah = sc->sc_ah; -+ struct ath_common *common = ath9k_hw_common(ah); -+ int pos = ah->curchan - &ah->channels[0]; -+ struct survey_info *survey = &sc->survey[pos]; -+ struct ath_cycle_counters *cc = &common->cc_survey; -+ unsigned int div = common->clockrate * 1000; -+ -+ ath_hw_cycle_counters_update(common); -+ -+ if (cc->cycles > 0) { -+ survey->filled |= SURVEY_INFO_CHANNEL_TIME | -+ SURVEY_INFO_CHANNEL_TIME_BUSY | -+ SURVEY_INFO_CHANNEL_TIME_RX | -+ SURVEY_INFO_CHANNEL_TIME_TX; -+ survey->channel_time += cc->cycles / div; -+ survey->channel_time_busy += cc->rx_busy / div; -+ survey->channel_time_rx += cc->rx_frame / div; -+ survey->channel_time_tx += cc->tx_frame / div; -+ } -+ memset(cc, 0, sizeof(*cc)); -+ -+ ath_update_survey_nf(sc, pos); -+} -+ - /* - * 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 -@@ -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; -- struct ath_common *common = ath9k_hw_common(sc->sc_ah); -+ struct ath_hw *ah = sc->sc_ah; -+ struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_conf *conf = &hw->conf; - bool disable_radio; - -@@ -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 +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 -+ * along with it. -+ * Reset the survey data for the new channel, unless we're switching -+ * back to the operating channel from an off-channel operation. -+ */ -+ if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) && -+ sc->cur_survey != &sc->survey[pos]) { -+ -+ if (sc->cur_survey) -+ sc->cur_survey->filled &= ~SURVEY_INFO_IN_USE; -+ -+ sc->cur_survey = &sc->survey[pos]; -+ -+ memset(sc->cur_survey, 0, sizeof(struct survey_info)); -+ sc->cur_survey->filled |= SURVEY_INFO_IN_USE; -+ } else if (!(sc->survey[pos].filled & SURVEY_INFO_IN_USE)) { -+ memset(&sc->survey[pos], 0, sizeof(struct survey_info)); -+ } -+ - if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) { - ath_print(common, ATH_DBG_FATAL, - "Unable to set channel\n"); - mutex_unlock(&sc->mutex); - return -EINVAL; - } -+ -+ /* -+ * The most recent snapshot of channel->noisefloor for the old -+ * channel is only available after the hardware reset. Copy it to -+ * the survey stats now. -+ */ -+ if (old_pos >= 0) -+ ath_update_survey_nf(sc, old_pos); - } - - skip_chan_change: -@@ -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) { -@@ -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; -- -- if (chan == ah->curchan) -- survey->filled |= SURVEY_INFO_IN_USE; -- -- 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; - } - |