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-rw-r--r--include/uapi/linux/net_tstamp.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/net_tstamp.h b/include/uapi/linux/net_tstamp.h
index 464dcca5ed68..0749fb13e517 100644
--- a/include/uapi/linux/net_tstamp.h
+++ b/include/uapi/linux/net_tstamp.h
@@ -125,6 +125,9 @@ enum hwtstamp_rx_filters {
HWTSTAMP_FILTER_PTP_V2_SYNC,
/* PTP v2/802.AS1, any layer, Delay_req packet */
HWTSTAMP_FILTER_PTP_V2_DELAY_REQ,
+
+ /* NTP, UDP, all versions and packet modes */
+ HWTSTAMP_FILTER_NTP_ALL,
};
#endif /* _NET_TIMESTAMPING_H */