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authorSujith Manoharan <Sujith.Manoharan@atheros.com>2011-04-20 11:01:00 +0530
committerJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:50:14 -0400
commitf0dd49803b0c0f3a002f073ec1a82cac5795af2d (patch)
tree69d7f430cef63ed9e16b9fc1fd01d72ebae330d4
parent3a0593efd191c7eb13c79179c4c5ddbc519b2510 (diff)
downloadblackbird-op-linux-f0dd49803b0c0f3a002f073ec1a82cac5795af2d.tar.gz
blackbird-op-linux-f0dd49803b0c0f3a002f073ec1a82cac5795af2d.zip
ath9k_htc: Fix max A-MPDU size handling
Set the maximum ampdu size of a station correctly in the target by using the ampdu_factor. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_main.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index a6402681d58d..fbc238a0b203 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -467,6 +467,7 @@ static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
struct ath9k_htc_sta *ista;
int ret, sta_idx;
u8 cmd_rsp;
+ u16 maxampdu;
if (priv->nstations >= ATH9K_HTC_MAX_STA)
return -ENOBUFS;
@@ -490,7 +491,15 @@ static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
tsta.sta_index = sta_idx;
tsta.vif_index = avp->index;
- tsta.maxampdu = cpu_to_be16(0xffff);
+
+ if (!sta) {
+ tsta.maxampdu = cpu_to_be16(0xffff);
+ } else {
+ maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
+ sta->ht_cap.ampdu_factor);
+ tsta.maxampdu = cpu_to_be16(maxampdu);
+ }
+
if (sta && sta->ht_cap.ht_supported)
tsta.flags = cpu_to_be16(ATH_HTC_STA_HT);
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