2 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/pfkeyv2.h b/include/linux/pfkeyv2.h
index e6b519220245..724066778aff 100644
--- a/include/linux/pfkeyv2.h
+++ b/include/linux/pfkeyv2.h
@@ -245,6 +245,7 @@ struct sadb_x_nat_t_port {
 
 /* Security Association flags */
 #define SADB_SAFLAGS_PFS        1
+#define SADB_SAFLAGS_NOPMTUDISC 0x20000000
 #define SADB_SAFLAGS_DECAP_DSCP 0x40000000
 #define SADB_SAFLAGS_NOECN      0x80000000
 
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index d68391a9b9f3..f0d423300d84 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -196,6 +196,7 @@ struct xfrm_usersa_info {
         __u8                            flags;
 #define XFRM_STATE_NOECN        1
 #define XFRM_STATE_DECAP_DSCP   2
+#define XFRM_STATE_NOPMTUDISC   4
 };
 
 struct xfrm_usersa_id {