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ipv4: Create and use route lookup helpers.

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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>
This commit is contained in:
David S. Miller
2011-03-12 00:00:52 -05:00
parent 1561747ddf
commit 78fbfd8a65
23 changed files with 204 additions and 324 deletions
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23
net/rxrpc/ar-peer.c
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@@ -36,28 +36,13 @@ static void rxrpc_destroy_peer(struct work_struct *work);
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;