ath10k: add support for per sta tx bitrate

Per STA tx bitrate info is filled from peer stats.
Export per sta txrate info to cfg80211/nl80211
Signed-off-by: NAnilkumar Kolli <akolli@qti.qualcomm.com>
Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/debugfs_sta.c

@@ -77,6 +77,19 @@ void ath10k_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 
 	sinfo->rx_duration = arsta->rx_duration;
 	sinfo->filled |= 1ULL << NL80211_STA_INFO_RX_DURATION;
+
+	if (!arsta->txrate.legacy && !arsta->txrate.nss)
+		return;
+
+	if (arsta->txrate.legacy) {
+		sinfo->txrate.legacy = arsta->txrate.legacy;
+	} else {
+		sinfo->txrate.mcs = arsta->txrate.mcs;
+		sinfo->txrate.nss = arsta->txrate.nss;
+		sinfo->txrate.bw = arsta->txrate.bw;
+	}
+	sinfo->txrate.flags = arsta->txrate.flags;
+	sinfo->filled |= 1ULL << NL80211_STA_INFO_TX_BITRATE;
 }
 
 static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file,