diff options
| author | David S. Miller <davem@davemloft.net> | 2010-12-10 09:50:47 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-12-10 09:50:47 -0800 |
| commit | 1e13f863ca88014d9550876c05c939fdab1017d1 (patch) | |
| tree | 1ede9804ee33d7eefb73e9535e0399dfd7f58c00 /drivers/net/wireless/ath/ath9k/xmit.c | |
| parent | f404c2fea37e02bec7c8b6edddf5edd22ca60505 (diff) | |
| parent | f435d9eea01309aa7b6c1f134569a7b5957918ae (diff) | |
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Conflicts:
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 495432ec85a9..821d3679c6ff 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -250,11 +250,11 @@ static void ath_tid_drain(struct ath_softc *sc, struct ath_txq *txq, static void ath_tx_set_retry(struct ath_softc *sc, struct ath_txq *txq, struct sk_buff *skb) { - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ath_frame_info *fi = get_frame_info(skb); struct ieee80211_hdr *hdr; TX_STAT_INC(txq->axq_qnum, a_retries); - if (tx_info->control.rates[4].count++ > 0) + if (fi->retries++ > 0) return; hdr = (struct ieee80211_hdr *)skb->data; @@ -1506,6 +1506,18 @@ static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen, return duration; } +u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath9k_channel *curchan = ah->curchan; + if ((sc->sc_flags & SC_OP_ENABLE_APM) && + (curchan->channelFlags & CHANNEL_5GHZ) && + (chainmask == 0x7) && (rate < 0x90)) + return 0x3; + else + return chainmask; +} + static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); @@ -1546,7 +1558,6 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len) rix = rates[i].idx; series[i].Tries = rates[i].count; - series[i].ChSel = common->tx_chainmask; if ((sc->config.ath_aggr_prot && bf_isaggr(bf)) || (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)) { @@ -1569,6 +1580,8 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len) if (rates[i].flags & IEEE80211_TX_RC_MCS) { /* MCS rates */ series[i].Rate = rix | 0x80; + series[i].ChSel = ath_txchainmask_reduction(sc, + common->tx_chainmask, series[i].Rate); series[i].PktDuration = ath_pkt_duration(sc, rix, len, is_40, is_sgi, is_sp); if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC)) @@ -1576,7 +1589,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len) continue; } - /* legcay rates */ + /* legacy rates */ if ((tx_info->band == IEEE80211_BAND_2GHZ) && !(rate->flags & IEEE80211_RATE_ERP_G)) phy = WLAN_RC_PHY_CCK; @@ -1592,6 +1605,12 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len) is_sp = false; } + if (bf->bf_state.bfs_paprd) + series[i].ChSel = common->tx_chainmask; + else + series[i].ChSel = ath_txchainmask_reduction(sc, + common->tx_chainmask, series[i].Rate); + series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah, phy, rate->bitrate * 100, len, rix, is_sp); } |