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-rw-r--r--include/linux/skbuff.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 46678eb587ff..f7f33c79945b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -358,6 +358,10 @@ enum skb_drop_reason {
* corresponding to
* LINUX_MIB_TCPMD5FAILURE
*/
+ SKB_DROP_REASON_SOCKET_BACKLOG, /* failed to add skb to socket
+ * backlog (see
+ * LINUX_MIB_TCPBACKLOGDROP)
+ */
SKB_DROP_REASON_MAX,
};