ipv4: Create and use route lookup helpers.
The idea here is this minimizes the number of places one has to edit
in order to make changes to how flows are defined and used.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c
index 3620c56..55b93dc 100644
--- a/net/rxrpc/ar-peer.c
+++ b/net/rxrpc/ar-peer.c
@@ -36,28 +36,13 @@
static void rxrpc_assess_MTU_size(struct rxrpc_peer *peer)
{
struct rtable *rt;
- struct flowi fl;
peer->if_mtu = 1500;
- memset(&fl, 0, sizeof(fl));
-
- switch (peer->srx.transport.family) {
- case AF_INET:
- fl.oif = 0;
- fl.proto = IPPROTO_UDP,
- fl.fl4_dst = peer->srx.transport.sin.sin_addr.s_addr;
- fl.fl4_src = 0;
- fl.fl4_tos = 0;
- /* assume AFS.CM talking to AFS.FS */
- fl.fl_ip_sport = htons(7001);
- fl.fl_ip_dport = htons(7000);
- break;
- default:
- BUG();
- }
-
- rt = ip_route_output_key(&init_net, &fl);
+ rt = ip_route_output_ports(&init_net, NULL,
+ peer->srx.transport.sin.sin_addr.s_addr, 0,
+ htons(7000), htons(7001),
+ IPPROTO_UDP, 0, 0);
if (IS_ERR(rt)) {
_leave(" [route err %ld]", PTR_ERR(rt));
return;