netns xfrm: per-netns xfrm_state_bysrc hash

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 02487b3..bfcd5a3 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -14,6 +14,7 @@
 	 * offending SA.
 	 */
 	struct hlist_head	*state_bydst;
+	struct hlist_head	*state_bysrc;
 };
 
 #endif