ath11k: update tx duration in station info

Update tx duration in station info form PPDU stats
so that users can dump tx duration of the station.
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/ath11k/core.h

@@ -335,6 +335,7 @@ struct ath11k_sta {
 	struct rate_info txrate;
 	struct rate_info last_txrate;
 	u64 rx_duration;
+	u64 tx_duration;
 	u8 rssi_comb;
 	struct ath11k_htt_tx_stats *tx_stats;
 	struct ath11k_rx_peer_stats *rx_stats;

drivers/net/wireless/ath/ath11k/dp_rx.c

@@ -1147,7 +1147,7 @@ ath11k_update_per_peer_tx_stats(struct ath11k *ar,
 	arsta->txrate.nss = nss;
 	arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw);
 	arsta->tx_info.status.rates[0].flags |= ath11k_bw_to_mac80211_bwflags(bw);
-
+	arsta->tx_duration += tx_duration;
 	memcpy(&arsta->last_txrate, &arsta->txrate, sizeof(struct rate_info));
 
 	if (succ_pkts) {

drivers/net/wireless/ath/ath11k/mac.c

@@ -5316,6 +5316,9 @@ static void ath11k_mac_op_sta_statistics(struct ieee80211_hw *hw,
 	sinfo->rx_duration = arsta->rx_duration;
 	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
 
+	sinfo->tx_duration = arsta->tx_duration;
+	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION);
+
 	if (!arsta->txrate.legacy && !arsta->txrate.nss)
 		return;