[NETNS][IPV6]: Make icmpv6_time sysctl per namespace.

This patch moves the icmpv6_time sysctl to the network namespace
structure.

Because the ipv6 protocol is not yet per namespace, the variable is
accessed relatively to the initial network namespace.

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

3 files changed, 4 insertions, 4 deletions

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 3aea84a1822a..218b8b3050a1 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -734,6 +734,7 @@ static int inet6_net_init(struct net *net)
         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;
+        net->ipv6.sysctl.icmpv6_time = 1*HZ;
         ipv6_frag_sysctl_init(net);
 
         return 0;
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index dfe3b37c43e9..5395afe55ca5 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -154,8 +154,6 @@ static int is_ineligible(struct sk_buff *skb)
         return 0;
 }
 
-static int sysctl_icmpv6_time __read_mostly = 1*HZ;
-
 /*
  * Check the ICMP output rate limit
  */
@@ -186,7 +184,7 @@ static inline int icmpv6_xrlim_allow(struct sock *sk, int type,
                 res = 1;
         } else {
                 struct rt6_info *rt = (struct rt6_info *)dst;
-                int tmo = sysctl_icmpv6_time;
+                int tmo = init_net.ipv6.sysctl.icmpv6_time;
 
                 /* Give more bandwidth to wider prefixes. */
                 if (rt->rt6i_dst.plen < 128)
@@ -911,7 +909,7 @@ ctl_table ipv6_icmp_table_template[] = {
         {
                 .ctl_name       = NET_IPV6_ICMP_RATELIMIT,
                 .procname       = "ratelimit",
-                .data           = &sysctl_icmpv6_time,
+                .data           = &init_net.ipv6.sysctl.icmpv6_time,
                 .maxlen         = sizeof(int),
                 .mode           = 0644,
                 .proc_handler   = &proc_dointvec
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index b4ba422f2714..5e0af4d46324 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -125,6 +125,7 @@ static int ipv6_sysctl_net_init(struct net *net)
         ipv6_route_table[8].data = &net->ipv6.sysctl.ip6_rt_min_advmss;
         ipv6_table[0].child = ipv6_route_table;
 
+        ipv6_icmp_table[0].data = &net->ipv6.sysctl.icmpv6_time;
         ipv6_table[1].child = ipv6_icmp_table;
 
         ipv6_table[2].data = &net->ipv6.sysctl.bindv6only;