[NETNS][IPV6] route6 - create route6 proc files for the namespace
Make /proc/net/ipv6_route and /proc/net/rt6_stats to be per namespace.
These proc files are now created when the network namespace is
initialized.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 3afc3f4..5d9d293 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2377,40 +2377,6 @@
.llseek = seq_lseek,
.release = single_release,
};
-
-static int ipv6_route_proc_init(struct net *net)
-{
- int ret = -ENOMEM;
- if (!proc_net_fops_create(net, "ipv6_route",
- 0, &ipv6_route_proc_fops))
- goto out;
-
- if (!proc_net_fops_create(net, "rt6_stats",
- S_IRUGO, &rt6_stats_seq_fops))
- goto out_ipv6_route;
-
- ret = 0;
-out:
- return ret;
-out_ipv6_route:
- proc_net_remove(net, "ipv6_route");
- goto out;
-}
-
-static void ipv6_route_proc_fini(struct net *net)
-{
- proc_net_remove(net, "ipv6_route");
- proc_net_remove(net, "rt6_stats");
-}
-#else
-static inline int ipv6_route_proc_init(struct net *net)
-{
- return 0;
-}
-static inline void ipv6_route_proc_fini(struct net *net)
-{
- return ;
-}
#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_SYSCTL
@@ -2544,6 +2510,28 @@
}
#endif
+static int ip6_route_net_init(struct net *net)
+{
+#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);
+#endif
+ return 0;
+}
+
+static void ip6_route_net_exit(struct net *net)
+{
+#ifdef CONFIG_PROC_FS
+ proc_net_remove(net, "ipv6_route");
+ proc_net_remove(net, "rt6_stats");
+#endif
+}
+
+static struct pernet_operations ip6_route_net_ops = {
+ .init = ip6_route_net_init,
+ .exit = ip6_route_net_exit,
+};
+
int __init ip6_route_init(void)
{
int ret;
@@ -2560,13 +2548,9 @@
if (ret)
goto out_kmem_cache;
- ret = ipv6_route_proc_init(&init_net);
- if (ret)
- goto out_fib6_init;
-
ret = xfrm6_init();
if (ret)
- goto out_proc_init;
+ goto out_fib6_init;
ret = fib6_rules_init();
if (ret)
@@ -2578,7 +2562,9 @@
__rtnl_register(PF_INET6, RTM_GETROUTE, inet6_rtm_getroute, NULL))
goto fib6_rules_init;
- ret = 0;
+ ret = register_pernet_subsys(&ip6_route_net_ops);
+ if (ret)
+ goto fib6_rules_init;
out:
return ret;
@@ -2586,8 +2572,6 @@
fib6_rules_cleanup();
xfrm6_init:
xfrm6_fini();
-out_proc_init:
- ipv6_route_proc_fini(&init_net);
out_fib6_init:
rt6_ifdown(&init_net, NULL);
fib6_gc_cleanup();
@@ -2598,8 +2582,8 @@
void ip6_route_cleanup(void)
{
+ unregister_pernet_subsys(&ip6_route_net_ops);
fib6_rules_cleanup();
- ipv6_route_proc_fini(&init_net);
xfrm6_fini();
rt6_ifdown(&init_net, NULL);
fib6_gc_cleanup();