[SCTP] embedded sctp_addr: net-endian mirrors

Add sctp_chunk->source, sctp_sockaddr_entry->a, sctp_transport->ipaddr
and sctp_transport->saddr, maintain them as net-endian mirrors of
their host-endian counterparts.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sctp/bind_addr.c

@@ -163,6 +163,8 @@ int sctp_add_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *new,
 	if (!addr->a_h.v4.sin_port)
 		addr->a_h.v4.sin_port = bp->port;
 
+	flip_to_n(&addr->a, &addr->a_h);
+
 	addr->use_as_src = use_as_src;
 
 	INIT_LIST_HEAD(&addr->list);