diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 5691bd6eb82c..d0caf1de2bde 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -154,11 +154,52 @@ static void ath_send_bar(struct ath_atx_tid *tid, u16 seqno) seqno << IEEE80211_SEQ_SEQ_SHIFT); } +static bool ath_merge_ratetbl(struct ieee80211_sta *sta, struct ath_buf *bf, + struct ieee80211_tx_info *tx_info) +{ + struct ieee80211_sta_rates *ratetbl; + u8 i; + + if (!sta) + return false; + + ratetbl = rcu_dereference(sta->rates); + if (!ratetbl) + return false; + + if (tx_info->control.rates[0].idx < 0 || + tx_info->control.rates[0].count == 0) + { + i = 0; + } else { + bf->rates[0] = tx_info->control.rates[0]; + i = 1; + } + + for ( ; i < IEEE80211_TX_MAX_RATES; i++) { + bf->rates[i].idx = ratetbl->rate[i].idx; + bf->rates[i].flags = ratetbl->rate[i].flags; + if (tx_info->control.use_rts) + bf->rates[i].count = ratetbl->rate[i].count_rts; + else if (tx_info->control.use_cts_prot) + bf->rates[i].count = ratetbl->rate[i].count_cts; + else + bf->rates[i].count = ratetbl->rate[i].count; + } + + return true; +} + static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ath_buf *bf) { - ieee80211_get_tx_rates(vif, sta, bf->bf_mpdu, bf->rates, - ARRAY_SIZE(bf->rates)); + struct ieee80211_tx_info *tx_info; + + tx_info = IEEE80211_SKB_CB(bf->bf_mpdu); + + if (!ath_merge_ratetbl(sta, bf, tx_info)) + ieee80211_get_tx_rates(vif, sta, bf->bf_mpdu, bf->rates, + ARRAY_SIZE(bf->rates)); } static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq, |