}
/*
- * Pertubation of rt_genid by a small quantity [1..256]
+ * Perturbation of rt_genid by a small quantity [1..256]
* Using 8 bits of shuffling ensure we can call rt_cache_invalidate()
* many times (2^24) without giving recent rt_genid.
* Jenkins hash is strong enough that litle changes of rt_genid are OK.
#endif
/*
* Since lookup is lockfree, we must make sure
- * previous writes to rt are comitted to memory
+ * previous writes to rt are committed to memory
* before making rt visible to other CPUS.
*/
rcu_assign_pointer(rt_hash_table[hash].chain, rt);
#ifdef CONFIG_IP_ROUTE_CLASSID
rth->dst.tclassid = itag;
#endif
+ rth->rt_route_iif = dev->ifindex;
rth->rt_iif = dev->ifindex;
rth->dst.dev = init_net.loopback_dev;
dev_hold(rth->dst.dev);
rth->rt_key_src = saddr;
rth->rt_src = saddr;
rth->rt_gateway = daddr;
+ rth->rt_route_iif = in_dev->dev->ifindex;
rth->rt_iif = in_dev->dev->ifindex;
rth->dst.dev = (out_dev)->dev;
dev_hold(rth->dst.dev);
#ifdef CONFIG_IP_ROUTE_CLASSID
rth->dst.tclassid = itag;
#endif
+ rth->rt_route_iif = dev->ifindex;
rth->rt_iif = dev->ifindex;
rth->dst.dev = net->loopback_dev;
dev_hold(rth->dst.dev);
rth->rt_mark = oldflp4->flowi4_mark;
rth->rt_dst = fl4->daddr;
rth->rt_src = fl4->saddr;
- rth->rt_iif = 0;
+ rth->rt_route_iif = 0;
+ rth->rt_iif = oldflp4->flowi4_oif ? : dev_out->ifindex;
/* get references to the devices that are to be hold by the routing
cache entry */
rth->dst.dev = dev_out;
{
}
+static u32 *ipv4_rt_blackhole_cow_metrics(struct dst_entry *dst,
+ unsigned long old)
+{
+ return NULL;
+}
+
static struct dst_ops ipv4_dst_blackhole_ops = {
.family = AF_INET,
.protocol = cpu_to_be16(ETH_P_IP),
.default_mtu = ipv4_blackhole_default_mtu,
.default_advmss = ipv4_default_advmss,
.update_pmtu = ipv4_rt_blackhole_update_pmtu,
+ .cow_metrics = ipv4_rt_blackhole_cow_metrics,
};
struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_orig)
rt->rt_key_dst = ort->rt_key_dst;
rt->rt_key_src = ort->rt_key_src;
rt->rt_tos = ort->rt_tos;
+ rt->rt_route_iif = ort->rt_route_iif;
rt->rt_iif = ort->rt_iif;
rt->rt_oif = ort->rt_oif;
rt->rt_mark = ort->rt_mark;
rt->rt_type = ort->rt_type;
rt->rt_dst = ort->rt_dst;
rt->rt_src = ort->rt_src;
- rt->rt_iif = ort->rt_iif;
rt->rt_gateway = ort->rt_gateway;
rt->rt_spec_dst = ort->rt_spec_dst;
rt->peer = ort->peer;