Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[pandora-kernel.git] / net / ipv6 / netfilter / ip6table_mangle.c
index a0b6381..f405cea 100644 (file)
@@ -15,36 +15,36 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
 MODULE_DESCRIPTION("ip6tables mangle table");
 
-#define MANGLE_VALID_HOOKS ((1 << NF_IP6_PRE_ROUTING) | \
-                           (1 << NF_IP6_LOCAL_IN) | \
-                           (1 << NF_IP6_FORWARD) | \
-                           (1 << NF_IP6_LOCAL_OUT) | \
-                           (1 << NF_IP6_POST_ROUTING))
+#define MANGLE_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | \
+                           (1 << NF_INET_LOCAL_IN) | \
+                           (1 << NF_INET_FORWARD) | \
+                           (1 << NF_INET_LOCAL_OUT) | \
+                           (1 << NF_INET_POST_ROUTING))
 
 static struct
 {
        struct ip6t_replace repl;
        struct ip6t_standard entries[5];
        struct ip6t_error term;
-} initial_table __initdata = {
+} initial_table __net_initdata = {
        .repl = {
                .name = "mangle",
                .valid_hooks = MANGLE_VALID_HOOKS,
                .num_entries = 6,
                .size = sizeof(struct ip6t_standard) * 5 + sizeof(struct ip6t_error),
                .hook_entry = {
-                       [NF_IP6_PRE_ROUTING]    = 0,
-                       [NF_IP6_LOCAL_IN]       = sizeof(struct ip6t_standard),
-                       [NF_IP6_FORWARD]        = sizeof(struct ip6t_standard) * 2,
-                       [NF_IP6_LOCAL_OUT]      = sizeof(struct ip6t_standard) * 3,
-                       [NF_IP6_POST_ROUTING]   = sizeof(struct ip6t_standard) * 4,
+                       [NF_INET_PRE_ROUTING]   = 0,
+                       [NF_INET_LOCAL_IN]      = sizeof(struct ip6t_standard),
+                       [NF_INET_FORWARD]       = sizeof(struct ip6t_standard) * 2,
+                       [NF_INET_LOCAL_OUT]     = sizeof(struct ip6t_standard) * 3,
+                       [NF_INET_POST_ROUTING]  = sizeof(struct ip6t_standard) * 4,
                },
                .underflow = {
-                       [NF_IP6_PRE_ROUTING]    = 0,
-                       [NF_IP6_LOCAL_IN]       = sizeof(struct ip6t_standard),
-                       [NF_IP6_FORWARD]        = sizeof(struct ip6t_standard) * 2,
-                       [NF_IP6_LOCAL_OUT]      = sizeof(struct ip6t_standard) * 3,
-                       [NF_IP6_POST_ROUTING]   = sizeof(struct ip6t_standard) * 4,
+                       [NF_INET_PRE_ROUTING]   = 0,
+                       [NF_INET_LOCAL_IN]      = sizeof(struct ip6t_standard),
+                       [NF_INET_FORWARD]       = sizeof(struct ip6t_standard) * 2,
+                       [NF_INET_LOCAL_OUT]     = sizeof(struct ip6t_standard) * 3,
+                       [NF_INET_POST_ROUTING]  = sizeof(struct ip6t_standard) * 4,
                },
        },
        .entries = {
@@ -60,7 +60,7 @@ static struct
 static struct xt_table packet_mangler = {
        .name           = "mangle",
        .valid_hooks    = MANGLE_VALID_HOOKS,
-       .lock           = RW_LOCK_UNLOCKED,
+       .lock           = __RW_LOCK_UNLOCKED(packet_mangler.lock),
        .me             = THIS_MODULE,
        .af             = AF_INET6,
 };
@@ -73,7 +73,7 @@ ip6t_route_hook(unsigned int hook,
         const struct net_device *out,
         int (*okfn)(struct sk_buff *))
 {
-       return ip6t_do_table(skb, hook, in, out, &packet_mangler);
+       return ip6t_do_table(skb, hook, in, out, init_net.ipv6.ip6table_mangle);
 }
 
 static unsigned int
@@ -108,7 +108,7 @@ 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, &packet_mangler);
+       ret = ip6t_do_table(skb, hook, in, out, init_net.ipv6.ip6table_mangle);
 
        if (ret != NF_DROP && ret != NF_STOLEN
                && (memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr))
@@ -120,50 +120,69 @@ ip6t_local_hook(unsigned int hook,
        return ret;
 }
 
-static struct nf_hook_ops ip6t_ops[] = {
+static struct nf_hook_ops ip6t_ops[] __read_mostly = {
        {
                .hook           = ip6t_route_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_PRE_ROUTING,
+               .hooknum        = NF_INET_PRE_ROUTING,
                .priority       = NF_IP6_PRI_MANGLE,
        },
        {
-               .hook           = ip6t_local_hook,
+               .hook           = ip6t_route_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_LOCAL_IN,
+               .hooknum        = NF_INET_LOCAL_IN,
                .priority       = NF_IP6_PRI_MANGLE,
        },
        {
                .hook           = ip6t_route_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_FORWARD,
+               .hooknum        = NF_INET_FORWARD,
                .priority       = NF_IP6_PRI_MANGLE,
        },
        {
                .hook           = ip6t_local_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_LOCAL_OUT,
+               .hooknum        = NF_INET_LOCAL_OUT,
                .priority       = NF_IP6_PRI_MANGLE,
        },
        {
                .hook           = ip6t_route_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_POST_ROUTING,
+               .hooknum        = NF_INET_POST_ROUTING,
                .priority       = NF_IP6_PRI_MANGLE,
        },
 };
 
+static int __net_init ip6table_mangle_net_init(struct net *net)
+{
+       /* Register table */
+       net->ipv6.ip6table_mangle =
+               ip6t_register_table(net, &packet_mangler, &initial_table.repl);
+       if (IS_ERR(net->ipv6.ip6table_mangle))
+               return PTR_ERR(net->ipv6.ip6table_mangle);
+       return 0;
+}
+
+static void __net_exit ip6table_mangle_net_exit(struct net *net)
+{
+       ip6t_unregister_table(net->ipv6.ip6table_mangle);
+}
+
+static struct pernet_operations ip6table_mangle_net_ops = {
+       .init = ip6table_mangle_net_init,
+       .exit = ip6table_mangle_net_exit,
+};
+
 static int __init ip6table_mangle_init(void)
 {
        int ret;
 
-       /* Register table */
-       ret = ip6t_register_table(&packet_mangler, &initial_table.repl);
+       ret = register_pernet_subsys(&ip6table_mangle_net_ops);
        if (ret < 0)
                return ret;
 
@@ -175,14 +194,14 @@ static int __init ip6table_mangle_init(void)
        return ret;
 
  cleanup_table:
-       ip6t_unregister_table(&packet_mangler);
+       unregister_pernet_subsys(&ip6table_mangle_net_ops);
        return ret;
 }
 
 static void __exit ip6table_mangle_fini(void)
 {
        nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
-       ip6t_unregister_table(&packet_mangler);
+       unregister_pernet_subsys(&ip6table_mangle_net_ops);
 }
 
 module_init(ip6table_mangle_init);