1 files changed, 11 insertions, 0 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index a05893a238b7..95cdd2a3f809 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -168,6 +168,7 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
  * @IEEE80211_RX_FRAGMENTED: fragmented frame
  * @IEEE80211_RX_AMSDU: a-MSDU packet
  * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed
+ * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering
  *
  * These are per-frame flags that are attached to a frame in the
  * @rx_flags field of &struct ieee80211_rx_status.
@@ -178,6 +179,7 @@ enum ieee80211_packet_rx_flags {
         IEEE80211_RX_FRAGMENTED                 = BIT(2),
         IEEE80211_RX_AMSDU                      = BIT(3),
         IEEE80211_RX_MALFORMED_ACTION_FRM       = BIT(4),
+        IEEE80211_RX_DEFERRED_RELEASE           = BIT(5),
 };
 
 /**
@@ -774,6 +776,15 @@ struct ieee80211_local {
         struct sk_buff_head skb_queue;
         struct sk_buff_head skb_queue_unreliable;
 
+        /*
+         * Internal FIFO queue which is shared between multiple rx path
+         * stages. Its main task is to provide a serialization mechanism,
+         * so all rx handlers can enjoy having exclusive access to their
+         * private data structures.
+         */
+        struct sk_buff_head rx_skb_queue;
+        bool running_rx_handler;        /* protected by rx_skb_queue.lock */
+
         /* Station data */
         /*
          * The mutex only protects the list and counter,