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netfilter: introduce accessor functions for hook entries

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This allows easier future refactoring.

Signed-off-by: Aaron Conole <aconole@bytheb.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Aaron Conole
2016-11-15 17:48:44 -05:00
committed by Pablo Neira Ayuso
parent 834184b1f3
commit 0aa8c57a04
4 changed files with 34 additions and 10 deletions
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27
include/linux/netfilter.h
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@@ -79,6 +79,33 @@ struct nf_hook_entry {
const struct nf_hook_ops *orig_ops;
};
static inline void
nf_hook_entry_init(struct nf_hook_entry *entry, const struct nf_hook_ops *ops)
{
entry->next = NULL;
entry->ops = *ops;
entry->orig_ops = ops;
}
static inline int
nf_hook_entry_priority(const struct nf_hook_entry *entry)
{
return entry->ops.priority;
}
static inline int
nf_hook_entry_hookfn(const struct nf_hook_entry *entry, struct sk_buff *skb,
struct nf_hook_state *state)
{
return entry->ops.hook(entry->ops.priv, skb, state);
}
static inline const struct nf_hook_ops *
nf_hook_entry_ops(const struct nf_hook_entry *entry)
{
return entry->orig_ops;
}
static inline void nf_hook_state_init(struct nf_hook_state *p,
unsigned int hook,
u_int8_t pf,