diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 20626729795d..5e2982938ffc 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -571,6 +571,25 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, ath_reset(sc, false); } +static bool ath_lookup_legacy(struct ath_buf *bf) +{ + struct sk_buff *skb; + struct ieee80211_tx_info *tx_info; + struct ieee80211_tx_rate *rates; + int i; + + skb = bf->bf_mpdu; + tx_info = IEEE80211_SKB_CB(skb); + rates = tx_info->control.rates; + + for (i = 3; i >= 0; i--) { + if (!(rates[i].flags & IEEE80211_TX_RC_MCS)) + return true; + } + + return false; +} + static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf, struct ath_atx_tid *tid) { @@ -750,7 +769,8 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc, al_delta = ATH_AGGR_DELIM_SZ + fi->framelen; if (nframes && - (aggr_limit < (al + bpad + al_delta + prev_al))) { + ((aggr_limit < (al + bpad + al_delta + prev_al)) || + ath_lookup_legacy(bf))) { status = ATH_AGGR_LIMITED; break; } |