From 42e8856092be1db40bd4ae01406d2aaddf4e66fc Mon Sep 17 00:00:00 2001 From: Vasanthakumar Thiagarajan Date: Wed, 29 Jul 2009 15:05:21 +0530 Subject: [PATCH] ath9k: Update rate control for 11NA HT40 mode Now the lowest rate in 11na ht40 mode is 13.5Mbps this shortens the range when compared to 11na ht20 mode where the lowest rate is 6.5Mbps. To improve the range, make 6.5Mbps as the lowest rate in 11na ht40 mode, this improves the range by approximately 2dB. 11ng ht40 does not have this issue as it also has basic rates (1, 2, 5.5 and 11). Signed-off-by: Vasanthakumar Thiagarajan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/rc.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index a07efa22551e..59ad47c98897 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -44,7 +44,7 @@ static const struct ath_rate_table ar5416_11na_ratetable = { { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */ 29300, 0x0c, 0x00, 108, 4, 7, 7, 7, 7, 0 }, - { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */ + { VALID_2040, VALID_2040, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */ 6400, 0x80, 0x00, 0, 0, 8, 24, 8, 24, 3216 }, { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */ @@ -463,8 +463,6 @@ static int ath_rc_valid_phyrate(u32 phy, u32 capflag, int ignore_cw) if (!ignore_cw && WLAN_RC_PHY_HT(phy)) if (WLAN_RC_PHY_40(phy) && !(capflag & WLAN_RC_40_FLAG)) return 0; - if (!WLAN_RC_PHY_40(phy) && (capflag & WLAN_RC_40_FLAG)) - return 0; return 1; } -- 2.20.1