ipv6: initialize ip6_route sysctl vars in ip6_route_net_init()

[net-next-2.6.git] / net / ipv6 / route.c

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 9af6115f0f500822c94ff6cb751ab24cd34de911..e10a17015504267c8932cead336600f01aca6db9 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1003,6 +1003,25 @@ int icmp6_dst_gc(void)
        return more;
 }
 
+static void icmp6_clean_all(int (*func)(struct rt6_info *rt, void *arg),
+                           void *arg)
+{
+       struct dst_entry *dst, **pprev;
+
+       spin_lock_bh(&icmp6_dst_lock);
+       pprev = &icmp6_dst_gc_list;
+       while ((dst = *pprev) != NULL) {
+               struct rt6_info *rt = (struct rt6_info *) dst;
+               if (func(rt, arg)) {
+                       *pprev = dst->next;
+                       dst_free(dst);
+               } else {
+                       pprev = &dst->next;
+               }
+       }
+       spin_unlock_bh(&icmp6_dst_lock);
+}
+
 static int ip6_dst_gc(struct dst_ops *ops)
 {
        unsigned long now = jiffies;
@@ -1930,6 +1949,7 @@ void rt6_ifdown(struct net *net, struct net_device *dev)
        };
 
        fib6_clean_all(net, fib6_ifdown, 0, &adn);
+       icmp6_clean_all(fib6_ifdown, &adn);
 }
 
 struct rt6_mtu_change_arg
@@ -2611,10 +2631,8 @@ static int ip6_route_net_init(struct net *net)
        net->ipv6.ip6_prohibit_entry = kmemdup(&ip6_prohibit_entry_template,
                                               sizeof(*net->ipv6.ip6_prohibit_entry),
                                               GFP_KERNEL);
-       if (!net->ipv6.ip6_prohibit_entry) {
-               kfree(net->ipv6.ip6_null_entry);
-               goto out;
-       }
+       if (!net->ipv6.ip6_prohibit_entry)
+               goto out_ip6_null_entry;
        net->ipv6.ip6_prohibit_entry->u.dst.path =
                (struct dst_entry *)net->ipv6.ip6_prohibit_entry;
        net->ipv6.ip6_prohibit_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
@@ -2622,16 +2640,22 @@ static int ip6_route_net_init(struct net *net)
        net->ipv6.ip6_blk_hole_entry = kmemdup(&ip6_blk_hole_entry_template,
                                               sizeof(*net->ipv6.ip6_blk_hole_entry),
                                               GFP_KERNEL);
-       if (!net->ipv6.ip6_blk_hole_entry) {
-               kfree(net->ipv6.ip6_null_entry);
-               kfree(net->ipv6.ip6_prohibit_entry);
-               goto out;
-       }
+       if (!net->ipv6.ip6_blk_hole_entry)
+               goto out_ip6_prohibit_entry;
        net->ipv6.ip6_blk_hole_entry->u.dst.path =
                (struct dst_entry *)net->ipv6.ip6_blk_hole_entry;
        net->ipv6.ip6_blk_hole_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
 #endif
 
+       net->ipv6.sysctl.flush_delay = 0;
+       net->ipv6.sysctl.ip6_rt_max_size = 4096;
+       net->ipv6.sysctl.ip6_rt_gc_min_interval = HZ / 2;
+       net->ipv6.sysctl.ip6_rt_gc_timeout = 60*HZ;
+       net->ipv6.sysctl.ip6_rt_gc_interval = 30*HZ;
+       net->ipv6.sysctl.ip6_rt_gc_elasticity = 9;
+       net->ipv6.sysctl.ip6_rt_mtu_expires = 10*60*HZ;
+       net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;
+
 #ifdef CONFIG_PROC_FS
        proc_net_fops_create(net, "ipv6_route", 0, &ipv6_route_proc_fops);
        proc_net_fops_create(net, "rt6_stats", S_IRUGO, &rt6_stats_seq_fops);
@@ -2642,6 +2666,12 @@ static int ip6_route_net_init(struct net *net)
 out:
        return ret;
 
+#ifdef CONFIG_IPV6_MULTIPLE_TABLES
+out_ip6_prohibit_entry:
+       kfree(net->ipv6.ip6_prohibit_entry);
+out_ip6_null_entry:
+       kfree(net->ipv6.ip6_null_entry);
+#endif
 out_ip6_dst_ops:
        release_net(net->ipv6.ip6_dst_ops->dst_net);
        kfree(net->ipv6.ip6_dst_ops);
@@ -2688,6 +2718,8 @@ int __init ip6_route_init(void)
        if (ret)
                goto out_kmem_cache;
 
+       ip6_dst_blackhole_ops.kmem_cachep = ip6_dst_ops_template.kmem_cachep;
+
        /* Registering of the loopback is done before this portion of code,
         * the loopback reference in rt6_info will not be taken, do it
         * manually for init_net */