ath10k: add support for ath10k_sta_statistics support

Enable support for 'drv_sta_statistics' callback.
Export rx_duration support if available to cfg80211/nl80211

This can also act as a placeholder for any new per STA stats support
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/debug.h

@@ -156,6 +156,9 @@ void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			    struct ieee80211_sta *sta, struct dentry *dir);
 void ath10k_sta_update_rx_duration(struct ath10k *ar,
 				   struct ath10k_fw_stats *stats);
+void ath10k_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			   struct ieee80211_sta *sta,
+			   struct station_info *sinfo);
 #else
 static inline
 void ath10k_sta_update_rx_duration(struct ath10k *ar,

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

@@ -65,6 +65,20 @@ void ath10k_sta_update_rx_duration(struct ath10k *ar,
 		ath10k_sta_update_stats_rx_duration(ar, stats);
 }
 
+void ath10k_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			   struct ieee80211_sta *sta,
+			   struct station_info *sinfo)
+{
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+
+	if (!ath10k_peer_stats_enabled(ar))
+		return;
+
+	sinfo->rx_duration = arsta->rx_duration;
+	sinfo->filled |= 1ULL << NL80211_STA_INFO_RX_DURATION;
+}
+
 static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file,
 					     char __user *user_buf,
 					     size_t count, loff_t *ppos)

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

@@ -7407,6 +7407,7 @@ static const struct ieee80211_ops ath10k_ops = {
 #endif
 #ifdef CONFIG_MAC80211_DEBUGFS
 	.sta_add_debugfs		= ath10k_sta_add_debugfs,
+	.sta_statistics			= ath10k_sta_statistics,
 #endif
 };