Calculate the final rate index inside ath_rc_tx_status().
Signed-off-by: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/rc.c | 71 +++++++++++++++----------------------
1 file changed, 29 insertions(+), 42 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 0e3d20a..2051fac 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -993,9 +993,6 @@ static void ath_debug_stat_retries(struct ath_rate_priv *rc, int rix,
stats->per = per;
}
-/* Update PER, RSSI and whatever else that the code thinks it is doing.
- If you can make sense of all this, you really need to go out more. */
-
static void ath_rc_update_ht(struct ath_softc *sc,
struct ath_rate_priv *ath_rc_priv,
struct ieee80211_tx_info *tx_info,
@@ -1069,25 +1066,43 @@ static void ath_rc_update_ht(struct ath_softc *sc,
}
+static void ath_debug_stat_rc(struct ath_rate_priv *rc, int final_rate)
+{
+ struct ath_rc_stats *stats;
+
+ stats = &rc->rcstats[final_rate];
+ stats->success++;
+}
static void ath_rc_tx_status(struct ath_softc *sc,
struct ath_rate_priv *ath_rc_priv,
- struct ieee80211_tx_info *tx_info,
- int final_ts_idx, int xretries, int long_retry)
+ struct sk_buff *skb)
{
- const struct ath_rate_table *rate_table;
+ const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_rate *rates = tx_info->status.rates;
+ struct ieee80211_tx_rate *rate;
+ int final_ts_idx = 0, xretries = 0, long_retry = 0;
u8 flags;
u32 i = 0, rix;
- rate_table = ath_rc_priv->rate_table;
+ for (i = 0; i < sc->hw->max_rates; i++) {
+ rate = &tx_info->status.rates[i];
+ if (rate->idx < 0 || !rate->count)
+ break;
+
+ final_ts_idx = i;
+ long_retry = rate->count - 1;
+ }
+
+ if (!(tx_info->flags & IEEE80211_TX_STAT_ACK))
+ xretries = 1;
/*
* If the first rate is not the final index, there
* are intermediate rate failures to be processed.
*/
if (final_ts_idx != 0) {
- /* Process intermediate rates that failed.*/
for (i = 0; i < final_ts_idx ; i++) {
if (rates[i].count != 0 && (rates[i].idx >= 0)) {
flags = rates[i].flags;
@@ -1101,8 +1116,8 @@ static void ath_rc_tx_status(struct ath_softc *sc,
rix = ath_rc_get_rateindex(rate_table, &rates[i]);
ath_rc_update_ht(sc, ath_rc_priv, tx_info,
- rix, xretries ? 1 : 2,
- rates[i].count);
+ rix, xretries ? 1 : 2,
+ rates[i].count);
}
}
} else {
@@ -1116,15 +1131,16 @@ static void ath_rc_tx_status(struct ath_softc *sc,
xretries = 2;
}
- flags = rates[i].flags;
+ flags = rates[final_ts_idx].flags;
/* If HT40 and we have switched mode from 40 to 20 => don't update */
if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
!(ath_rc_priv->ht_cap & WLAN_RC_40_FLAG))
return;
- rix = ath_rc_get_rateindex(rate_table, &rates[i]);
+ rix = ath_rc_get_rateindex(rate_table, &rates[final_ts_idx]);
ath_rc_update_ht(sc, ath_rc_priv, tx_info, rix, xretries, long_retry);
+ ath_debug_stat_rc(ath_rc_priv, rix);
}
static const
@@ -1248,15 +1264,6 @@ static bool ath_tx_aggr_check(struct ath_softc *sc, struct ieee80211_sta *sta,
/* mac80211 Rate Control callbacks */
/***********************************/
-static void ath_debug_stat_rc(struct ath_rate_priv *rc, int final_rate)
-{
- struct ath_rc_stats *stats;
-
- stats = &rc->rcstats[final_rate];
- stats->success++;
-}
-
-
static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta, void *priv_sta,
struct sk_buff *skb)
@@ -1265,10 +1272,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
struct ath_rate_priv *ath_rc_priv = priv_sta;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- int final_ts_idx = 0, tx_status = 0;
- int long_retry = 0;
__le16 fc = hdr->frame_control;
- int i;
if (!priv_sta || !ieee80211_is_data(fc))
return;
@@ -1281,20 +1285,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
if (tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED)
return;
- for (i = 0; i < sc->hw->max_rates; i++) {
- struct ieee80211_tx_rate *rate = &tx_info->status.rates[i];
- if (rate->idx < 0 || !rate->count)
- break;
-
- final_ts_idx = i;
- long_retry = rate->count - 1;
- }
-
- if (!(tx_info->flags & IEEE80211_TX_STAT_ACK))
- tx_status = 1;
-
- ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
- long_retry);
+ ath_rc_tx_status(sc, ath_rc_priv, skb);
/* Check if aggregation has to be enabled for this tid */
if (conf_is_ht(&sc->hw->conf) &&
@@ -1310,10 +1301,6 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
ieee80211_start_tx_ba_session(sta, tid, 0);
}
}
-
- ath_debug_stat_rc(ath_rc_priv,
- ath_rc_get_rateindex(ath_rc_priv->rate_table,
- &tx_info->status.rates[final_ts_idx]));
}
static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
--
1.7.11.4
--
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