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-rw-r--r--drivers/net/wireless/ath/ath5k/base.c35
-rw-r--r--drivers/net/wireless/ath/ath5k/base.h2
2 files changed, 25 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 4e3b97c3d7c2..b3c7241a62a5 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -2654,6 +2654,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
bool skip_pcu)
{
struct ath5k_hw *ah = sc->ah;
+ struct ath_common *common = ath5k_hw_common(ah);
int ret, ani_mode;
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n");
@@ -2696,6 +2697,14 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
ah->ah_cal_next_nf = jiffies;
ewma_init(&ah->ah_beacon_rssi_avg, 1024, 8);
+ /* clear survey data and cycle counters */
+ memset(&sc->survey, 0, sizeof(sc->survey));
+ spin_lock(&common->cc_lock);
+ ath_hw_cycle_counters_update(common);
+ memset(&common->cc_survey, 0, sizeof(common->cc_survey));
+ memset(&common->cc_ani, 0, sizeof(common->cc_ani));
+ spin_unlock(&common->cc_lock);
+
/*
* Change channels and update the h/w rate map if we're switching;
* e.g. 11a to 11b/g.
@@ -3362,25 +3371,27 @@ static int ath5k_get_survey(struct ieee80211_hw *hw, int idx,
if (idx != 0)
return -ENOENT;
- survey->channel = conf->channel;
- survey->filled = SURVEY_INFO_NOISE_DBM;
- survey->noise = sc->ah->ah_noise_floor;
-
spin_lock_bh(&common->cc_lock);
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;
+ sc->survey.channel_time += cc->cycles / div;
+ sc->survey.channel_time_busy += cc->rx_busy / div;
+ sc->survey.channel_time_rx += cc->rx_frame / div;
+ sc->survey.channel_time_tx += cc->tx_frame / div;
}
memset(cc, 0, sizeof(*cc));
spin_unlock_bh(&common->cc_lock);
+ memcpy(survey, &sc->survey, sizeof(*survey));
+
+ survey->channel = conf->channel;
+ survey->noise = sc->ah->ah_noise_floor;
+ survey->filled = SURVEY_INFO_NOISE_DBM |
+ SURVEY_INFO_CHANNEL_TIME |
+ SURVEY_INFO_CHANNEL_TIME_BUSY |
+ SURVEY_INFO_CHANNEL_TIME_RX |
+ SURVEY_INFO_CHANNEL_TIME_TX;
+
return 0;
}
diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h
index aa6c32aafb59..6d511476e4d2 100644
--- a/drivers/net/wireless/ath/ath5k/base.h
+++ b/drivers/net/wireless/ath/ath5k/base.h
@@ -258,6 +258,8 @@ struct ath5k_softc {
struct tasklet_struct ani_tasklet; /* ANI calibration */
struct delayed_work tx_complete_work;
+
+ struct survey_info survey; /* collected survey info */
};
#define ath5k_hw_hasbssidmask(_ah) \