netfilter: xtables: add struct xt_mtdtor_param::net
[safe/jmp/linux-2.6] / net / ipv6 / netfilter / ip6table_raw.c
index a3eb5b8..4c90b55 100644 (file)
 #include <linux/module.h>
 #include <linux/netfilter_ipv6/ip6_tables.h>
 
-#define RAW_VALID_HOOKS ((1 << NF_IP6_PRE_ROUTING) | (1 << NF_IP6_LOCAL_OUT))
+#define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
 
-#if 0
-#define DEBUGP(x, args...)     printk(KERN_DEBUG x, ## args)
-#else
-#define DEBUGP(x, args...)
-#endif
-
-static struct
+static const struct
 {
        struct ip6t_replace repl;
        struct ip6t_standard entries[2];
        struct ip6t_error term;
-} initial_table __initdata = {
+} initial_table __net_initdata = {
        .repl = {
                .name = "raw",
                .valid_hooks = RAW_VALID_HOOKS,
                .num_entries = 3,
                .size = sizeof(struct ip6t_standard) * 2 + sizeof(struct ip6t_error),
                .hook_entry = {
-                       [NF_IP6_PRE_ROUTING] = 0,
-                       [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard)
+                       [NF_INET_PRE_ROUTING] = 0,
+                       [NF_INET_LOCAL_OUT] = sizeof(struct ip6t_standard)
                },
                .underflow = {
-                       [NF_IP6_PRE_ROUTING] = 0,
-                       [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard)
+                       [NF_INET_PRE_ROUTING] = 0,
+                       [NF_INET_LOCAL_OUT] = sizeof(struct ip6t_standard)
                },
        },
        .entries = {
-               /* PRE_ROUTING */
-               {
-                       .entry = {
-                               .target_offset = sizeof(struct ip6t_entry),
-                               .next_offset = sizeof(struct ip6t_standard),
-                       },
-                       .target = {
-                               .target = {
-                                       .u = {
-                                               .target_size = IP6T_ALIGN(sizeof(struct ip6t_standard_target)),
-                                       },
-                               },
-                               .verdict = -NF_ACCEPT - 1,
-                       },
-               },
-
-               /* LOCAL_OUT */
-               {
-                       .entry = {
-                               .target_offset = sizeof(struct ip6t_entry),
-                               .next_offset = sizeof(struct ip6t_standard),
-                       },
-                       .target = {
-                               .target = {
-                                       .u = {
-                                               .target_size = IP6T_ALIGN(sizeof(struct ip6t_standard_target)),
-                                       },
-                               },
-                               .verdict = -NF_ACCEPT - 1,
-                       },
-               },
+               IP6T_STANDARD_INIT(NF_ACCEPT),  /* PRE_ROUTING */
+               IP6T_STANDARD_INIT(NF_ACCEPT),  /* LOCAL_OUT */
        },
-       /* ERROR */
-       .term = {
-               .entry = {
-                       .target_offset = sizeof(struct ip6t_entry),
-                       .next_offset = sizeof(struct ip6t_error),
-               },
-               .target = {
-                       .target = {
-                               .u = {
-                                       .user = {
-                                               .target_size = IP6T_ALIGN(sizeof(struct ip6t_error_target)),
-                                               .name = IP6T_ERROR_TARGET,
-                                       },
-                               },
-                       },
-                       .errorname = "ERROR",
-               },
-       }
+       .term = IP6T_ERROR_INIT,                /* ERROR */
 };
 
-static struct xt_table packet_raw = {
+static const struct xt_table packet_raw = {
        .name = "raw",
        .valid_hooks = RAW_VALID_HOOKS,
-       .lock = RW_LOCK_UNLOCKED,
        .me = THIS_MODULE,
-       .af = AF_INET6,
+       .af = NFPROTO_IPV6,
 };
 
 /* The work comes in here from netfilter.c. */
 static unsigned int
-ip6t_hook(unsigned int hook,
-        struct sk_buff **pskb,
+ip6t_pre_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(pskb, hook, in, out, &packet_raw);
+       return ip6t_do_table(skb, hook, in, out,
+                            dev_net(in)->ipv6.ip6table_raw);
 }
 
-static struct nf_hook_ops ip6t_ops[] = {
+static unsigned int
+ip6t_local_out_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_raw);
+}
+
+static struct nf_hook_ops ip6t_ops[] __read_mostly = {
        {
-         .hook = ip6t_hook,
-         .pf = PF_INET6,
-         .hooknum = NF_IP6_PRE_ROUTING,
+         .hook = ip6t_pre_routing_hook,
+         .pf = NFPROTO_IPV6,
+         .hooknum = NF_INET_PRE_ROUTING,
          .priority = NF_IP6_PRI_FIRST,
          .owner = THIS_MODULE,
        },
        {
-         .hook = ip6t_hook,
-         .pf = PF_INET6,
-         .hooknum = NF_IP6_LOCAL_OUT,
+         .hook = ip6t_local_out_hook,
+         .pf = NFPROTO_IPV6,
+         .hooknum = NF_INET_LOCAL_OUT,
          .priority = NF_IP6_PRI_FIRST,
          .owner = THIS_MODULE,
        },
 };
 
+static int __net_init ip6table_raw_net_init(struct net *net)
+{
+       /* Register table */
+       net->ipv6.ip6table_raw =
+               ip6t_register_table(net, &packet_raw, &initial_table.repl);
+       if (IS_ERR(net->ipv6.ip6table_raw))
+               return PTR_ERR(net->ipv6.ip6table_raw);
+       return 0;
+}
+
+static void __net_exit ip6table_raw_net_exit(struct net *net)
+{
+       ip6t_unregister_table(net, net->ipv6.ip6table_raw);
+}
+
+static struct pernet_operations ip6table_raw_net_ops = {
+       .init = ip6table_raw_net_init,
+       .exit = ip6table_raw_net_exit,
+};
+
 static int __init ip6table_raw_init(void)
 {
        int ret;
 
-       /* Register table */
-       ret = ip6t_register_table(&packet_raw, &initial_table.repl);
+       ret = register_pernet_subsys(&ip6table_raw_net_ops);
        if (ret < 0)
                return ret;
 
@@ -140,14 +118,14 @@ static int __init ip6table_raw_init(void)
        return ret;
 
  cleanup_table:
-       ip6t_unregister_table(&packet_raw);
+       unregister_pernet_subsys(&ip6table_raw_net_ops);
        return ret;
 }
 
 static void __exit ip6table_raw_fini(void)
 {
        nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
-       ip6t_unregister_table(&packet_raw);
+       unregister_pernet_subsys(&ip6table_raw_net_ops);
 }
 
 module_init(ip6table_raw_init);