diff options
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 8e27f4fb21fe..dfe6a4707fd2 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -173,6 +173,8 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) +#define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e)) + #define ATH_TX_COMPLETE_POLL_INT 1000 enum ATH_AGGR_STATUS { diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index b088fa0eb022..36618e3a5e60 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1820,10 +1820,14 @@ 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 ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (curchan->channelFlags & CHANNEL_5GHZ) && (chainmask == 0x7) && (rate < 0x90)) return 0x3; + else if (AR_SREV_9462(ah) && ath9k_hw_btcoex_is_enabled(ah) && + IS_CCK_RATE(rate)) + return 0x2; else return chainmask; } |