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[NETFILTER]: Move reroute-after-queue code up to the nf_queue layer.

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The rerouting functionality is required by the core, therefore it has
to be implemented by the core and not in individual queue handlers.

Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Harald Welte
2005-08-09 19:42:34 -07:00
committed by David S. Miller
parent 4fdb3bb723
commit 2cc7d57309
8 changed files with 199 additions and 65 deletions
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11
include/linux/netfilter.h
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@ -198,6 +198,17 @@ extern void nf_invalidate_cache(int pf);
Returns true or false. */
extern int skb_make_writable(struct sk_buff **pskb, unsigned int writable_len);
struct nf_queue_rerouter {
void (*save)(const struct sk_buff *skb, struct nf_info *info);
int (*reroute)(struct sk_buff **skb, const struct nf_info *info);
int rer_size;
};
#define nf_info_reroute(x) ((void *)x + sizeof(struct nf_info))
extern int nf_register_queue_rerouter(int pf, struct nf_queue_rerouter *rer);
extern int nf_unregister_queue_rerouter(int pf);
#else /* !CONFIG_NETFILTER */
#define NF_HOOK(pf, hook, skb, indev, outdev, okfn) (okfn)(skb)
static inline void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb) {}