From: Sujith <Sujith.Manoharan@atheros.com>
To: <linville@tuxdriver.com>
Cc: <linux-wireless@vger.kernel.org>
Subject: [PATCH 4/5] ath9k_htc: Enable SGI in HT20 for AR9271
Date: Mon, 17 May 2010 12:01:19 +0530 [thread overview]
Message-ID: <19440.58039.731965.709469@gargle.gargle.HOWL> (raw)
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
---
drivers/net/wireless/ath/ath9k/htc_drv_init.c | 3 +++
drivers/net/wireless/ath/ath9k/htc_drv_main.c | 7 +++++--
drivers/net/wireless/ath/ath9k/hw.c | 2 +-
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 7ec2c2e..8b202e0 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -404,6 +404,9 @@ static void setup_ht_cap(struct ath9k_htc_priv *priv,
IEEE80211_HT_CAP_SGI_40 |
IEEE80211_HT_CAP_DSSSCCK40;
+ if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20)
+ ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
+
ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 80feeb3..6d46423 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -367,9 +367,12 @@ static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv,
caps = WLAN_RC_HT_FLAG;
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
caps |= WLAN_RC_40_FLAG;
- if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
+ if (conf_is_ht40(&priv->hw->conf) &&
+ (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40))
+ caps |= WLAN_RC_SGI_FLAG;
+ else if (conf_is_ht20(&priv->hw->conf) &&
+ (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20))
caps |= WLAN_RC_SGI_FLAG;
-
}
trate->sta_index = ista->index;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 1985d19..45a9c84 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2232,7 +2232,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
if (AR_SREV_9300_20_OR_LATER(ah))
pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED;
- if (AR_SREV_9287_10_OR_LATER(ah))
+ if (AR_SREV_9287_10_OR_LATER(ah) || AR_SREV_9271(ah))
pCap->hw_caps |= ATH9K_HW_CAP_SGI_20;
return 0;
--
1.7.1
next reply other threads:[~2010-05-17 6:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-17 6:31 Sujith [this message]
2010-05-17 6:37 ` [PATCH 4/5] ath9k_htc: Enable SGI in HT20 for AR9271 Sujith
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