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path: root/net/ipv6/netfilter/ip6table_raw.c
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Diffstat (limited to 'net/ipv6/netfilter/ip6table_raw.c')
-rw-r--r--net/ipv6/netfilter/ip6table_raw.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index 3df7383f96d0..710fa0806c37 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -16,7 +16,7 @@ static bool raw_before_defrag __read_mostly;
MODULE_PARM_DESC(raw_before_defrag, "Enable raw table before defrag");
module_param(raw_before_defrag, bool, 0000);
-static struct xt_table packet_raw = {
+static const struct xt_table packet_raw = {
.name = "raw",
.valid_hooks = RAW_VALID_HOOKS,
.me = THIS_MODULE,
@@ -25,6 +25,15 @@ static struct xt_table packet_raw = {
.table_init = ip6table_raw_table_init,
};
+static const struct xt_table packet_raw_before_defrag = {
+ .name = "raw",
+ .valid_hooks = RAW_VALID_HOOKS,
+ .me = THIS_MODULE,
+ .af = NFPROTO_IPV6,
+ .priority = NF_IP6_PRI_RAW_BEFORE_DEFRAG,
+ .table_init = ip6table_raw_table_init,
+};
+
/* The work comes in here from netfilter.c. */
static unsigned int
ip6table_raw_hook(void *priv, struct sk_buff *skb,
@@ -38,15 +47,19 @@ static struct nf_hook_ops *rawtable_ops __read_mostly;
static int __net_init ip6table_raw_table_init(struct net *net)
{
struct ip6t_replace *repl;
+ const struct xt_table *table = &packet_raw;
int ret;
+ if (raw_before_defrag)
+ table = &packet_raw_before_defrag;
+
if (net->ipv6.ip6table_raw)
return 0;
- repl = ip6t_alloc_initial_table(&packet_raw);
+ repl = ip6t_alloc_initial_table(table);
if (repl == NULL)
return -ENOMEM;
- ret = ip6t_register_table(net, &packet_raw, repl, rawtable_ops,
+ ret = ip6t_register_table(net, table, repl, rawtable_ops,
&net->ipv6.ip6table_raw);
kfree(repl);
return ret;
@@ -67,15 +80,16 @@ static struct pernet_operations ip6table_raw_net_ops = {
static int __init ip6table_raw_init(void)
{
int ret;
+ const struct xt_table *table = &packet_raw;
if (raw_before_defrag) {
- packet_raw.priority = NF_IP6_PRI_RAW_BEFORE_DEFRAG;
+ table = &packet_raw_before_defrag;
pr_info("Enabling raw table before defrag\n");
}
/* Register hooks */
- rawtable_ops = xt_hook_ops_alloc(&packet_raw, ip6table_raw_hook);
+ rawtable_ops = xt_hook_ops_alloc(table, ip6table_raw_hook);
if (IS_ERR(rawtable_ops))
return PTR_ERR(rawtable_ops);