netfilter: netns: ip6table_mangle in netns for real

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 22 insertions, 9 deletions

diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index f405cea21a8b..d0b31b259d4d 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -67,17 +67,29 @@ static struct xt_table packet_mangler = {
 
 /* The work comes in here from netfilter.c. */
 static unsigned int
-ip6t_route_hook(unsigned int hook,
+ip6t_in_hook(unsigned int hook,
          struct sk_buff *skb,
          const struct net_device *in,
          const struct net_device *out,
          int (*okfn)(struct sk_buff *))
 {
-        return ip6t_do_table(skb, hook, in, out, init_net.ipv6.ip6table_mangle);
+        return ip6t_do_table(skb, hook, in, out,
+                             dev_net(in)->ipv6.ip6table_mangle);
 }
 
 static unsigned int
-ip6t_local_hook(unsigned int hook,
+ip6t_post_routing_hook(unsigned int hook,
+                struct sk_buff *skb,
+                const struct net_device *in,
+                const struct net_device *out,
+                int (*okfn)(struct sk_buff *))
+{
+        return ip6t_do_table(skb, hook, in, out,
+                             dev_net(out)->ipv6.ip6table_mangle);
+}
+
+static unsigned int
+ip6t_local_out_hook(unsigned int hook,
                    struct sk_buff *skb,
                    const struct net_device *in,
                    const struct net_device *out,
@@ -108,7 +120,8 @@ ip6t_local_hook(unsigned int hook,
         /* flowlabel and prio (includes version, which shouldn't change either */
         flowlabel = *((u_int32_t *)ipv6_hdr(skb));
 
-        ret = ip6t_do_table(skb, hook, in, out, init_net.ipv6.ip6table_mangle);
+        ret = ip6t_do_table(skb, hook, in, out,
+                            dev_net(out)->ipv6.ip6table_mangle);
 
         if (ret != NF_DROP && ret != NF_STOLEN
                 && (memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr))
@@ -122,35 +135,35 @@ ip6t_local_hook(unsigned int hook,
 
 static struct nf_hook_ops ip6t_ops[] __read_mostly = {
         {
-                .hook           = ip6t_route_hook,
+                .hook           = ip6t_in_hook,
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET6,
                 .hooknum        = NF_INET_PRE_ROUTING,
                 .priority       = NF_IP6_PRI_MANGLE,
         },
         {
-                .hook           = ip6t_route_hook,
+                .hook           = ip6t_in_hook,
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET6,
                 .hooknum        = NF_INET_LOCAL_IN,
                 .priority       = NF_IP6_PRI_MANGLE,
         },
         {
-                .hook           = ip6t_route_hook,
+                .hook           = ip6t_in_hook,
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET6,
                 .hooknum        = NF_INET_FORWARD,
                 .priority       = NF_IP6_PRI_MANGLE,
         },
         {
-                .hook           = ip6t_local_hook,
+                .hook           = ip6t_local_out_hook,
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET6,
                 .hooknum        = NF_INET_LOCAL_OUT,
                 .priority       = NF_IP6_PRI_MANGLE,
         },
         {
-                .hook           = ip6t_route_hook,
+                .hook           = ip6t_post_routing_hook,
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET6,
                 .hooknum        = NF_INET_POST_ROUTING,