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authorVasanthakumar Thiagarajan <vasanth@atheros.com>2008-11-20 11:51:18 +0530
committerJohn W. Linville <linville@tuxdriver.com>2008-11-26 09:47:40 -0500
commit7ac47010a444d9f4285cf1ae06780633a112489b (patch)
tree1c2e739ceb5ef702efbd02551767d43f7da369ee /drivers/net/wireless/ath9k/xmit.c
parentiwlwifi: TX update chicken bits (diff)
downloadlinux-dev-7ac47010a444d9f4285cf1ae06780633a112489b.tar.xz
linux-dev-7ac47010a444d9f4285cf1ae06780633a112489b.zip
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>
Diffstat (limited to 'drivers/net/wireless/ath9k/xmit.c')
-rw-r--r--drivers/net/wireless/ath9k/xmit.c2
1 files changed, 2 insertions, 0 deletions
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;
}
}
}