1 files changed, 20 insertions, 0 deletions

diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index adab27ba1ecb..e4b059908cc7 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -9,6 +9,7 @@
 enum metadata_type {
 	METADATA_IP_TUNNEL,
 	METADATA_HW_PORT_MUX,
+	METADATA_XFRM,
 };
 
 struct hw_port_info {
@@ -16,12 +17,18 @@ struct hw_port_info {
 	u32 port_id;
 };
 
+struct xfrm_md_info {
+	u32 if_id;
+	int link;
+};
+
 struct metadata_dst {
 	struct dst_entry		dst;
 	enum metadata_type		type;
 	union {
 		struct ip_tunnel_info	tun_info;
 		struct hw_port_info	port_info;
+		struct xfrm_md_info	xfrm_info;
 	} u;
 };
 
@@ -53,6 +60,16 @@ skb_tunnel_info(const struct sk_buff *skb)
 	return NULL;
 }
 
+static inline struct xfrm_md_info *skb_xfrm_md_info(const struct sk_buff *skb)
+{
+	struct metadata_dst *md_dst = skb_metadata_dst(skb);
+
+	if (md_dst && md_dst->type == METADATA_XFRM)
+		return &md_dst->u.xfrm_info;
+
+	return NULL;
+}
+
 static inline bool skb_valid_dst(const struct sk_buff *skb)
 {
 	struct dst_entry *dst = skb_dst(skb);
@@ -82,6 +99,9 @@ static inline int skb_metadata_dst_cmp(const struct sk_buff *skb_a,
 		return memcmp(&a->u.tun_info, &b->u.tun_info,
 			      sizeof(a->u.tun_info) +
 					 a->u.tun_info.options_len);
+	case METADATA_XFRM:
+		return memcmp(&a->u.xfrm_info, &b->u.xfrm_info,
+			      sizeof(a->u.xfrm_info));
 	default:
 		return 1;
 	}