[NETNS][IPV6] rt6_stats - make the stats per network namespace

The rt6_stats is now per namespace with this patch. It is allocated
when a network namespace is created and freed when the network
namespace exits and references are relative to the network namespace.

Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 5 deletions

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 370f2aef6909..3afc3f41f2d5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2354,11 +2354,13 @@ static const struct file_operations ipv6_route_proc_fops = {
 static int rt6_stats_seq_show(struct seq_file *seq, void *v)
 {
         seq_printf(seq, "%04x %04x %04x %04x %04x %04x %04x\n",
-                      rt6_stats->fib_nodes, rt6_stats->fib_route_nodes,
-                      rt6_stats->fib_rt_alloc, rt6_stats->fib_rt_entries,
-                      rt6_stats->fib_rt_cache,
-                      atomic_read(&ip6_dst_ops.entries),
-                      rt6_stats->fib_discarded_routes);
+                   init_net.ipv6.rt6_stats->fib_nodes,
+                   init_net.ipv6.rt6_stats->fib_route_nodes,
+                   init_net.ipv6.rt6_stats->fib_rt_alloc,
+                   init_net.ipv6.rt6_stats->fib_rt_entries,
+                   init_net.ipv6.rt6_stats->fib_rt_cache,
+                   atomic_read(&ip6_dst_ops.entries),
+                   init_net.ipv6.rt6_stats->fib_discarded_routes);
 
         return 0;
 }