sctp: Add Auto-ASCONF support (core).

[deliverable/linux.git] / net / sctp / bind_addr.c

diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index 83e3011c19ca17c1e8b688a390e1118ddda211fa..17d157325b66c758e84d0816ba5461b7c377d7f7 100644 (file)
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -534,6 +534,21 @@ int sctp_in_scope(const union sctp_addr *addr, sctp_scope_t scope)
        return 0;
 }
 
+int sctp_is_ep_boundall(struct sock *sk)
+{
+       struct sctp_bind_addr *bp;
+       struct sctp_sockaddr_entry *addr;
+
+       bp = &sctp_sk(sk)->ep->base.bind_addr;
+       if (sctp_list_single_entry(&bp->address_list)) {
+               addr = list_entry(bp->address_list.next,
+                                 struct sctp_sockaddr_entry, list);
+               if (sctp_is_any(sk, &addr->a))
+                       return 1;
+       }
+       return 0;
+}
+
 /********************************************************************
  * 3rd Level Abstractions
  ********************************************************************/