[PATCH 3/3] nl80211: add feature flag for control port tx status capability

[Markus Theil <markus.theil@tu-ilmenau.de>]

This patch adds a feature flag in order to detect control port tx
status capability.

Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
---
 include/uapi/linux/nl80211.h | 4 ++++
 net/mac80211/main.c          | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index e3b7a911b35c..02e1aa10f9a2 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -5713,6 +5713,9 @@ enum nl80211_feature_flags {
  * @NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS: management frame registrations
  *	are possible for multicast frames and those will be reported properly.
  *
+ * @NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS: The driver
+ *	can report tx status for control port over nl80211 tx operations.
+ *
  * @NUM_NL80211_EXT_FEATURES: number of extended features.
  * @MAX_NL80211_EXT_FEATURES: highest extended feature index.
  */
@@ -5766,6 +5769,7 @@ enum nl80211_ext_feature_index {
 	NL80211_EXT_FEATURE_DEL_IBSS_STA,
 	NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS,
 	NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT,
+	NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS,
 
 	/* add new features before the definition below */
 	NUM_NL80211_EXT_FEATURES,
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index dfcee5e462da..6381e6c1f58b 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -596,6 +596,8 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
 			      NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211);
 	wiphy_ext_feature_set(wiphy,
 			      NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH);
+	wiphy_ext_feature_set(wiphy,
+			      NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS);
 
 	if (!ops->hw_scan) {
 		wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |
-- 
2.26.2