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path: root/drivers/net/wireless/ath/ath10k/htt_rx.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt_rx.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/htt_rx.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 8ca0a808a644..04095f91d301 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -949,6 +949,7 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar,
u8 preamble = 0;
u8 group_id;
u32 info1, info2, info3;
+ u32 stbc, nsts_su;
info1 = __le32_to_cpu(rxd->ppdu_start.info1);
info2 = __le32_to_cpu(rxd->ppdu_start.info2);
@@ -993,11 +994,16 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar,
*/
bw = info2 & 3;
sgi = info3 & 1;
+ stbc = (info2 >> 3) & 1;
group_id = (info2 >> 4) & 0x3F;
if (GROUP_ID_IS_SU_MIMO(group_id)) {
mcs = (info3 >> 4) & 0x0F;
- nss = ((info2 >> 10) & 0x07) + 1;
+ nsts_su = ((info2 >> 10) & 0x07);
+ if (stbc)
+ nss = (nsts_su >> 2) + 1;
+ else
+ nss = (nsts_su + 1);
} else {
/* Hardware doesn't decode VHT-SIG-B into Rx descriptor
* so it's impossible to decode MCS. Also since