--- zzzz-none-000/linux-3.10.107/include/uapi/linux/pfkeyv2.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/uapi/linux/pfkeyv2.h	2021-02-04 17:41:59.000000000 +0000
@@ -235,6 +235,18 @@
 } __attribute__((packed));
 /* sizeof(struct sadb_x_kmaddress) == 8 */
 
+/* To specify the SA dump filter */
+struct sadb_x_filter {
+	__u16	sadb_x_filter_len;
+	__u16	sadb_x_filter_exttype;
+	__u32	sadb_x_filter_saddr[4];
+	__u32	sadb_x_filter_daddr[4];
+	__u16	sadb_x_filter_family;
+	__u8	sadb_x_filter_splen;
+	__u8	sadb_x_filter_dplen;
+} __attribute__((packed));
+/* sizeof(struct sadb_x_filter) == 40 */
+
 /* Message types */
 #define SADB_RESERVED		0
 #define SADB_GETSPI		1
@@ -358,7 +370,8 @@
 #define SADB_X_EXT_SEC_CTX		24
 /* Used with MIGRATE to pass @ to IKE for negotiation */
 #define SADB_X_EXT_KMADDRESS		25
-#define SADB_EXT_MAX			25
+#define SADB_X_EXT_FILTER		26
+#define SADB_EXT_MAX			26
 
 /* Identity Extension values */
 #define SADB_IDENTTYPE_RESERVED	0