ath10k: fill HT/VHT MCS rateset only for configured chainmask
authorRajkumar Manoharan <rmanohar@qti.qualcomm.com>
Tue, 27 Oct 2015 12:21:12 +0000 (17:51 +0530)
committerKalle Valo <kvalo@qca.qualcomm.com>
Thu, 29 Oct 2015 11:00:41 +0000 (13:00 +0200)
HT/VHT MCS rateset should be filled only for configured chainmask
rather that max supported chainmask. Fix that by checking configured
chainmask while filling HT/VHT MCS rate map.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
drivers/net/wireless/ath/ath10k/mac.c

index 352e80bc3f167396d0d0824685ba4065f17910c5..c200a87d28c7f6b6d6484da323cee374e15f7031 100644 (file)
@@ -6984,7 +6984,7 @@ static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
 
        mcs_map = 0;
        for (i = 0; i < 8; i++) {
-               if (i < ar->num_rf_chains)
+               if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i)))
                        mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2);
                else
                        mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i*2);
@@ -7051,8 +7051,10 @@ static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
        if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
                ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
 
-       for (i = 0; i < ar->num_rf_chains; i++)
-               ht_cap.mcs.rx_mask[i] = 0xFF;
+       for (i = 0; i < ar->num_rf_chains; i++) {
+               if (ar->cfg_rx_chainmask & BIT(i))
+                       ht_cap.mcs.rx_mask[i] = 0xFF;
+       }
 
        ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;