iwlwifi: nvm: fix VHT capability antenna-dependent fields

As the antenna dependent fields depend on the firmware file and not
the NVM, use those fields in the VHT capability creation.

Additionally, fix the STBC and antenna pattern consistency fields.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/iwl-nvm-parse.c

@@ -299,9 +299,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
 
 static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
 				  struct iwl_nvm_data *data,
-				  struct ieee80211_sta_vht_cap *vht_cap)
+				  struct ieee80211_sta_vht_cap *vht_cap,
+				  u8 tx_chains, u8 rx_chains)
 {
-	int num_ants = num_of_ant(data->valid_rx_ant);
+	int num_rx_ants = num_of_ant(rx_chains);
+	int num_tx_ants = num_of_ant(tx_chains);
 
 	vht_cap->vht_supported = true;
 
@@ -311,8 +313,10 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
 		       3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT |
 		       7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
 
-	if (num_ants > 1)
+	if (num_tx_ants > 1)
 		vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC;
+	else
+		vht_cap->cap |= IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN;
 
 	if (iwlwifi_mod_params.amsdu_size_8K)
 		vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991;
@@ -327,10 +331,8 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
 			    IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
 			    IEEE80211_VHT_MCS_NOT_SUPPORTED << 14);
 
-	if (num_ants == 1 ||
-	    cfg->rx_with_siso_diversity) {
-		vht_cap->cap |= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
-				IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN;
+	if (num_rx_ants == 1 || cfg->rx_with_siso_diversity) {
+		vht_cap->cap |= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN;
 		/* this works because NOT_SUPPORTED == 3 */
 		vht_cap->vht_mcs.rx_mcs_map |=
 			cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED << 2);
@@ -375,7 +377,8 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
 	iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ,
 			     tx_chains, rx_chains);
 	if (enable_vht)
-		iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap);
+		iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap,
+				      tx_chains, rx_chains);
 
 	if (n_channels != n_used)
 		IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n",