#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;
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);