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-rw-r--r--include/linux/skbuff.h6
-rw-r--r--include/trace/events/skb.h1
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 769d54ba2f3b..44ecbfff2b69 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -399,6 +399,12 @@ enum skb_drop_reason {
* outputting (failed to enqueue to
* current qdisc)
*/
+ SKB_DROP_REASON_CPU_BACKLOG, /* failed to enqueue the skb to
+ * the per CPU backlog queue. This
+ * can be caused by backlog queue
+ * full (see netdev_max_backlog in
+ * net.rst) or RPS flow limit
+ */
SKB_DROP_REASON_MAX,
};
diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
index dbf3e2e3c1b4..3bb90ca893ae 100644
--- a/include/trace/events/skb.h
+++ b/include/trace/events/skb.h
@@ -47,6 +47,7 @@
EM(SKB_DROP_REASON_NEIGH_DEAD, NEIGH_DEAD) \
EM(SKB_DROP_REASON_TC_EGRESS, TC_EGRESS) \
EM(SKB_DROP_REASON_QDISC_DROP, QDISC_DROP) \
+ EM(SKB_DROP_REASON_CPU_BACKLOG, CPU_BACKLOG) \
EMe(SKB_DROP_REASON_MAX, MAX)
#undef EM