mac80211: add ieee80211_tx_status_ext

This allows the driver to pass in struct ieee80211_tx_status directly.
Make ieee80211_tx_status_noskb a wrapper around it.

As with ieee80211_tx_status_noskb, there is no _ni variant of this call,
because it probably won't be needed.

Even if the driver won't provide any extra status info other than what's
in struct ieee80211_tx_info already, it can optimize status reporting
this way by passing in the station pointer.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
[use C99 initializers]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c9ba79a..807ee6c 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -4214,6 +4214,23 @@
 			 struct sk_buff *skb);
 
 /**
+ * ieee80211_tx_status_ext - extended transmit status callback
+ *
+ * This function can be used as a replacement for ieee80211_tx_status
+ * in drivers that may want to provide extra information that does not
+ * fit into &struct ieee80211_tx_info.
+ *
+ * Calls to this function for a single hardware must be synchronized
+ * against each other. Calls to this function, ieee80211_tx_status_ni()
+ * and ieee80211_tx_status_irqsafe() may not be mixed for a single hardware.
+ *
+ * @hw: the hardware the frame was transmitted by
+ * @status: tx status information
+ */
+void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
+			     struct ieee80211_tx_status *status);
+
+/**
  * ieee80211_tx_status_noskb - transmit status callback without skb
  *
  * This function can be used as a replacement for ieee80211_tx_status
@@ -4229,9 +4246,17 @@
  *	(NULL for multicast packets)
  * @info: tx status information
  */
-void ieee80211_tx_status_noskb(struct ieee80211_hw *hw,
-			       struct ieee80211_sta *sta,
-			       struct ieee80211_tx_info *info);
+static inline void ieee80211_tx_status_noskb(struct ieee80211_hw *hw,
+					     struct ieee80211_sta *sta,
+					     struct ieee80211_tx_info *info)
+{
+	struct ieee80211_tx_status status = {
+		.sta = sta,
+		.info = info,
+	};
+
+	ieee80211_tx_status_ext(hw, &status);
+}
 
 /**
  * ieee80211_tx_status_ni - transmit status callback (in process context)