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[7/8] wifi: mac80211: improve drop for action frame return

Message ID 20240320091155.34daf0a89eb4.I60e0639511f9de64e40e6105b640adf90f8f57f7@changeid (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series cfg80211/mac80211 patches from our internal tree 2024-03-20 | expand

Commit Message

Korenblit, Miriam Rachel March 20, 2024, 7:14 a.m. UTC 
From: Johannes Berg <johannes.berg@intel.com>

If we use a drop we not only save the extra call to
dev_kfree_skb(), but also have a better reason in
tracing, so do that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
---
 net/mac80211/drop.h | 3 ++-
 net/mac80211/rx.c   | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)
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Patch

diff --git a/net/mac80211/drop.h b/net/mac80211/drop.h
index 12a6f0e9eca6..59e3ec4dc960 100644
--- a/net/mac80211/drop.h
+++ b/net/mac80211/drop.h
@@ -2,7 +2,7 @@ 
 /*
  * mac80211 drop reason list
  *
- * Copyright (C) 2023 Intel Corporation
+ * Copyright (C) 2023-2024 Intel Corporation
  */
 
 #ifndef MAC80211_DROP_H
@@ -66,6 +66,7 @@  typedef unsigned int __bitwise ieee80211_rx_result;
 	R(RX_DROP_U_UNEXPECTED_STA_4ADDR)	\
 	R(RX_DROP_U_UNEXPECTED_VLAN_MCAST)	\
 	R(RX_DROP_U_NOT_PORT_CONTROL)		\
+	R(RX_DROP_U_UNKNOWN_ACTION_REJECTED)	\
 /* this line for the trailing \ - add before this */
 
 /* having two enums allows for checking ieee80211_rx_result use with sparse */
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c1f850138405..4b4cbd8bf35d 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3958,8 +3958,8 @@  ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx)
 		__ieee80211_tx_skb_tid_band(rx->sdata, nskb, 7, -1,
 					    status->band);
 	}
-	dev_kfree_skb(rx->skb);
-	return RX_QUEUED;
+
+	return RX_DROP_U_UNKNOWN_ACTION_REJECTED;
 }
 
 static ieee80211_rx_result debug_noinline