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openwrt-xburst/package/mac80211/patches/560-ath9k_aggr_sampling_fix.patch
nbd 9cdf3516e5 ath9k: fix sampling frame handling wrt. aggregation, replace minstrel_ht performance fixes for better performance
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23558 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-10-21 00:33:00 +00:00

23 lines
791 B
Diff

--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -673,6 +673,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
u16 aggr_limit = 0, al = 0, bpad = 0,
al_delta, h_baw = tid->baw_size / 2;
enum ATH_AGGR_STATUS status = ATH_AGGR_DONE;
+ struct ieee80211_tx_info *tx_info;
bf_first = list_first_entry(&tid->buf_q, struct ath_buf, list);
@@ -699,6 +700,11 @@ static enum ATH_AGGR_STATUS ath_tx_form_
break;
}
+ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
+ if (nframes && ((tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
+ !(tx_info->control.rates[0].flags & IEEE80211_TX_RC_MCS)))
+ break;
+
/* do not exceed subframe limit */
if (nframes >= min((int)h_baw, ATH_AMPDU_SUBFRAME_DEFAULT)) {
status = ATH_AGGR_LIMITED;