[SCTP]: Beginning of conversion to net-endian for embedded sctp_addr.

Part 1: rename sctp_chunk->source, sctp_sockaddr_entry->a,
sctp_transport->ipaddr and sctp_transport->saddr (to ..._h)

The next patch will reintroduce these fields and keep them as
net-endian mirrors of the original (renamed) ones.  Split in
two patches to make sure that we hadn't forgotten any instanes.

Later in the series we'll eliminate uses of host-endian variants
(basically switching users to net-endian counterparts as we
progress through that mess).  Then host-endian ones will die.

Other embedded host-endian sctp_addr will be easier to switch
directly, so we leave them alone for now.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 2423b8e..e1c5cdd 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -441,8 +441,8 @@
 		SCTP_DEBUG_PRINTK_IPADDR("transport_strike:association %p",
 					 " transport IP: port:%d failed.\n",
 					 asoc,
-					 (&transport->ipaddr),
-					 transport->ipaddr.v4.sin_port);
+					 (&transport->ipaddr_h),
+					 transport->ipaddr_h.v4.sin_port);
 		sctp_assoc_control_transport(asoc, transport,
 					     SCTP_TRANSPORT_DOWN,
 					     SCTP_FAILED_THRESHOLD);
@@ -833,9 +833,9 @@
 
 	list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
 		t = list_entry(pos, struct sctp_transport, transports);
-		if (!sctp_cmp_addr_exact(&t->ipaddr,
+		if (!sctp_cmp_addr_exact(&t->ipaddr_h,
 		                         &asoc->peer.primary_addr)) {
-			sctp_assoc_del_peer(asoc, &t->ipaddr);
+			sctp_assoc_del_peer(asoc, &t->ipaddr_h);
 		}
 	}