diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2008-11-20 11:51:18 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-11-26 09:47:40 -0500 |
| commit | 7ac47010a444d9f4285cf1ae06780633a112489b (patch) | |
| tree | 1c2e739ceb5ef702efbd02551767d43f7da369ee | |
| parent | 40fc95d57caf258e20282f6526b695426d65a73a (diff) | |
ath9k: Dont update rate control for every AMPDU
Update the rate control only with the tx status of first
AMPDU of an aggregation. This patch fixes frequent drops
in throughput.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath9k/rc.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/rc.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/xmit.c | 2 |
3 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index e118824625ba..7d1913d48d31 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -1413,7 +1413,8 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband, an = (struct ath_node *)sta->drv_priv; final_ts_idx = tx_info_priv->tx.ts_rateindex; - if (!an || !priv_sta || !ieee80211_is_data(fc)) + if (!an || !priv_sta || !ieee80211_is_data(fc) || + !tx_info_priv->update_rc) goto exit; if (tx_info_priv->tx.ts_status & ATH9K_TXERR_FILT) diff --git a/drivers/net/wireless/ath9k/rc.h b/drivers/net/wireless/ath9k/rc.h index 297dff96c3a1..97c60d12e8aa 100644 --- a/drivers/net/wireless/ath9k/rc.h +++ b/drivers/net/wireless/ath9k/rc.h @@ -188,6 +188,7 @@ struct ath_tx_info_priv { struct ath_tx_status tx; int n_frames; int n_bad_frames; + bool update_rc; }; #define ATH_TX_INFO_PRIV(tx_info) \ diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c index 50d4105ee4b3..dad81a9df152 100644 --- a/drivers/net/wireless/ath9k/xmit.c +++ b/drivers/net/wireless/ath9k/xmit.c @@ -950,6 +950,7 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds, int nbad) struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info); + tx_info_priv->update_rc = false; if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED; @@ -960,6 +961,7 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds, int nbad) sizeof(tx_info_priv->tx)); tx_info_priv->n_frames = bf->bf_nframes; tx_info_priv->n_bad_frames = nbad; + tx_info_priv->update_rc = true; } } } |