netfilter: introduce accessor functions for hook entries

This allows easier future refactoring.

Signed-off-by: Aaron Conole <aconole@bytheb.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 69230140215b..575aa198097e 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -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,