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authorDavid S. Miller <davem@davemloft.net>2011-03-12 08:00:52 +0300
committerDavid S. Miller <davem@davemloft.net>2011-03-13 02:08:42 +0300
commit78fbfd8a653ca972afe479517a40661bfff6d8c3 (patch)
tree9dccc5c16bf269d53d8499064ec95a998e84c646 /net/l2tp
parent1561747ddf9d28185548687b11aae7074d6129c4 (diff)
downloadlinux-78fbfd8a653ca972afe479517a40661bfff6d8c3.tar.xz
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>
Diffstat (limited to 'net/l2tp')
-rw-r--r--net/l2tp/l2tp_ip.c30
1 files changed, 11 insertions, 19 deletions
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 2a698ff89db6..fce9bd3bd3fe 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -475,25 +475,17 @@ static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m
if (opt && opt->srr)
daddr = opt->faddr;
- {
- struct flowi fl = { .oif = sk->sk_bound_dev_if,
- .fl4_dst = daddr,
- .fl4_src = inet->inet_saddr,
- .fl4_tos = RT_CONN_FLAGS(sk),
- .proto = sk->sk_protocol,
- .flags = inet_sk_flowi_flags(sk),
- .fl_ip_sport = inet->inet_sport,
- .fl_ip_dport = inet->inet_dport };
-
- /* If this fails, retransmit mechanism of transport layer will
- * keep trying until route appears or the connection times
- * itself out.
- */
- security_sk_classify_flow(sk, &fl);
- rt = ip_route_output_flow(sock_net(sk), &fl, sk);
- if (IS_ERR(rt))
- goto no_route;
- }
+ /* If this fails, retransmit mechanism of transport layer will
+ * keep trying until route appears or the connection times
+ * itself out.
+ */
+ rt = ip_route_output_ports(sock_net(sk), sk,
+ daddr, inet->inet_saddr,
+ inet->inet_dport, inet->inet_sport,
+ sk->sk_protocol, RT_CONN_FLAGS(sk),
+ sk->sk_bound_dev_if);
+ if (IS_ERR(rt))
+ goto no_route;
sk_setup_caps(sk, &rt->dst);
}
skb_dst_set(skb, dst_clone(&rt->dst));