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/ipv6/sit.c b/net/ipv6/sit.c
index 3534cea..43b3337 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -732,17 +732,14 @@
dst = addr6->s6_addr32[3];
}
- {
- struct flowi fl = { .fl4_dst = dst,
- .fl4_src = tiph->saddr,
- .fl4_tos = RT_TOS(tos),
- .oif = tunnel->parms.link,
- .proto = IPPROTO_IPV6 };
- rt = ip_route_output_key(dev_net(dev), &fl);
- if (IS_ERR(rt)) {
- dev->stats.tx_carrier_errors++;
- goto tx_error_icmp;
- }
+ rt = ip_route_output_ports(dev_net(dev), NULL,
+ dst, tiph->saddr,
+ 0, 0,
+ IPPROTO_IPV6, RT_TOS(tos),
+ tunnel->parms.link);
+ if (IS_ERR(rt)) {
+ dev->stats.tx_carrier_errors++;
+ goto tx_error_icmp;
}
if (rt->rt_type != RTN_UNICAST) {
ip_rt_put(rt);
@@ -858,12 +855,12 @@
iph = &tunnel->parms.iph;
if (iph->daddr) {
- struct flowi fl = { .fl4_dst = iph->daddr,
- .fl4_src = iph->saddr,
- .fl4_tos = RT_TOS(iph->tos),
- .oif = tunnel->parms.link,
- .proto = IPPROTO_IPV6 };
- struct rtable *rt = ip_route_output_key(dev_net(dev), &fl);
+ struct rtable *rt = ip_route_output_ports(dev_net(dev), NULL,
+ iph->daddr, iph->saddr,
+ 0, 0,
+ IPPROTO_IPV6,
+ RT_TOS(iph->tos),
+ tunnel->parms.link);
if (!IS_ERR(rt)) {
tdev = rt->dst.dev;