summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFelix Fietkau <nbd@openwrt.org>2010-03-01 12:32:11 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2010-03-10 22:44:45 (GMT)
commitd969847c2202f82b3f6755d16909925e64e354e5 (patch)
tree108eec6c1cccb07497c2831618ba1a0ac5bb420c
parent7c3c76a82f3a6d52bbeabf48dd32109cc951a7cf (diff)
downloadlinux-fsl-qoriq-d969847c2202f82b3f6755d16909925e64e354e5.tar.xz
ath9k: fix rate control tx status handling for A-MPDU
Currently the rate control tx status update gets called for every subframe of an A-MPDU, and ath9k marks the frame with the relevant status update with an internal flag. This not suitable for rate control algorithms using the standard mac80211 rate control API, so fix this by using IEEE80211_TX_STAT_AMPDU for marking the correct frames that should be processed. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath9k/rc.c8
-rw-r--r--drivers/net/wireless/ath/ath9k/rc.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c4
3 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 0e79e58..3c4b5d2 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1226,8 +1226,12 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
long_retry = rate->count - 1;
}
- if (!priv_sta || !ieee80211_is_data(fc) ||
- !(tx_info->pad[0] & ATH_TX_INFO_UPDATE_RC))
+ if (!priv_sta || !ieee80211_is_data(fc))
+ return;
+
+ /* This packet was aggregated but doesn't carry status info */
+ if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) &&
+ !(tx_info->flags & IEEE80211_TX_STAT_AMPDU))
return;
if (tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED)
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 4f6d6fd..f4818e4 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -172,7 +172,6 @@ struct ath_rate_priv {
#define ATH_TX_INFO_FRAME_TYPE_INTERNAL (1 << 0)
#define ATH_TX_INFO_FRAME_TYPE_PAUSE (1 << 1)
-#define ATH_TX_INFO_UPDATE_RC (1 << 2)
#define ATH_TX_INFO_XRETRY (1 << 3)
#define ATH_TX_INFO_UNDERRUN (1 << 4)
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index b2c8207..8359362 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1947,10 +1947,10 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
tx_rateindex = ds->ds_txstat.ts_rateindex;
WARN_ON(tx_rateindex >= hw->max_rates);
- if (update_rc)
- tx_info->pad[0] |= ATH_TX_INFO_UPDATE_RC;
if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT)
tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
+ if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && update_rc)
+ tx_info->flags |= IEEE80211_TX_STAT_AMPDU;
if ((ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) == 0 &&
(bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {