-
- retry:
- if (rt6_bind_neighbour(rt, rt->dst.dev)) {
- struct net *net = dev_net(rt->dst.dev);
- int saved_rt_min_interval =
- net->ipv6.sysctl.ip6_rt_gc_min_interval;
- int saved_rt_elasticity =
- net->ipv6.sysctl.ip6_rt_gc_elasticity;
-
- if (attempts-- > 0) {
- net->ipv6.sysctl.ip6_rt_gc_elasticity = 1;
- net->ipv6.sysctl.ip6_rt_gc_min_interval = 0;
-
- ip6_dst_gc(&net->ipv6.ip6_dst_ops);
-
- net->ipv6.sysctl.ip6_rt_gc_elasticity =
- saved_rt_elasticity;
- net->ipv6.sysctl.ip6_rt_gc_min_interval =
- saved_rt_min_interval;
- goto retry;
- }
-
- net_warn_ratelimited("Neighbour table overflow\n");
- dst_free(&rt->dst);
- return NULL;
- }