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-rw-r--r--include/uapi/linux/errqueue.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/errqueue.h b/include/uapi/linux/errqueue.h
index 17437cf297b..07bdce1f444 100644
--- a/include/uapi/linux/errqueue.h
+++ b/include/uapi/linux/errqueue.h
@@ -40,6 +40,7 @@ struct scm_timestamping {
enum {
SCM_TSTAMP_SND, /* driver passed skb to NIC, or HW */
SCM_TSTAMP_SCHED, /* data entered the packet scheduler */
+ SCM_TSTAMP_ACK, /* data acknowledged by peer */
};
#endif /* _UAPI_LINUX_ERRQUEUE_H */