/* The work comes in here from netfilter.c. */
static unsigned int
-ipt_hook(unsigned int hook,
- struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- int (*okfn)(struct sk_buff *))
+iptable_raw_hook(unsigned int hook, struct sk_buff *skb,
+ const struct net_device *in, const struct net_device *out,
+ int (*okfn)(struct sk_buff *))
{
- return ipt_do_table(skb, hook, in, out,
- dev_net(in)->ipv4.iptable_raw);
-}
+ const struct net *net;
-static unsigned int
-ipt_local_hook(unsigned int hook,
- struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- int (*okfn)(struct sk_buff *))
-{
- /* root is playing with raw sockets. */
- if (skb->len < sizeof(struct iphdr) ||
- ip_hdrlen(skb) < sizeof(struct iphdr))
+ if (hook == NF_INET_LOCAL_OUT &&
+ (skb->len < sizeof(struct iphdr) ||
+ ip_hdrlen(skb) < sizeof(struct iphdr)))
+ /* root is playing with raw sockets. */
return NF_ACCEPT;
- return ipt_do_table(skb, hook, in, out,
- dev_net(out)->ipv4.iptable_raw);
+
+ net = dev_net((in != NULL) ? in : out);
+ return ipt_do_table(skb, hook, in, out, net->ipv4.iptable_raw);
}
/* 'raw' is the very first table. */
static struct nf_hook_ops ipt_ops[] __read_mostly = {
{
- .hook = ipt_hook,
+ .hook = iptable_raw_hook,
.pf = NFPROTO_IPV4,
.hooknum = NF_INET_PRE_ROUTING,
.priority = NF_IP_PRI_RAW,
.owner = THIS_MODULE,
},
{
- .hook = ipt_local_hook,
+ .hook = iptable_raw_hook,
.pf = NFPROTO_IPV4,
.hooknum = NF_INET_LOCAL_OUT,
.priority = NF_IP_PRI_RAW,
static void __net_exit iptable_raw_net_exit(struct net *net)
{
- ipt_unregister_table(net->ipv4.iptable_raw);
+ ipt_unregister_table(net, net->ipv4.iptable_raw);
}
static struct pernet_operations iptable_raw_net_ops = {