1 files changed, 2 insertions, 0 deletions

diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index e97a9accb71d..eb8afe3499a9 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -24,6 +24,7 @@
 #define IF_RA_MANAGED   0x40
 #define IF_RA_RCVD      0x20
 #define IF_RS_SENT      0x10
+#define IF_READY        0x80000000
 
 /* prefix flags */
 #define IF_PREFIX_ONLINK        0x01
@@ -82,6 +83,7 @@ struct ipv6_mc_socklist
         struct in6_addr         addr;
         int                     ifindex;
         struct ipv6_mc_socklist *next;
+        rwlock_t                sflock;
         unsigned int            sfmode;         /* MCAST_{INCLUDE,EXCLUDE} */
         struct ip6_sf_socklist  *sflist;
 };