diff options
Diffstat (limited to 'net/netfilter/core.c')
-rw-r--r-- | net/netfilter/core.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/net/netfilter/core.c b/net/netfilter/core.c index fea9ef5..e616301 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -120,12 +120,8 @@ EXPORT_SYMBOL(nf_unregister_hooks); unsigned int nf_iterate(struct list_head *head, struct sk_buff *skb, - unsigned int hook, - const struct net_device *indev, - const struct net_device *outdev, - struct nf_hook_ops **elemp, - int (*okfn)(struct sk_buff *), - int hook_thresh) + struct nf_hook_state *state, + struct nf_hook_ops **elemp) { unsigned int verdict; @@ -134,19 +130,19 @@ unsigned int nf_iterate(struct list_head *head, * function because of risk of continuing from deleted element. */ list_for_each_entry_continue_rcu((*elemp), head, list) { - if (hook_thresh > (*elemp)->priority) + if (state->thresh > (*elemp)->priority) continue; /* Optimization: we don't need to hold module reference here, since function can't sleep. --RR */ repeat: - verdict = (*elemp)->hook(*elemp, skb, indev, outdev, okfn); + verdict = (*elemp)->hook(*elemp, skb, state); if (verdict != NF_ACCEPT) { #ifdef CONFIG_NETFILTER_DEBUG if (unlikely((verdict & NF_VERDICT_MASK) > NF_MAX_VERDICT)) { NFDEBUG("Evil return from %p(%u).\n", - (*elemp)->hook, hook); + (*elemp)->hook, state->hook); continue; } #endif @@ -161,11 +157,7 @@ repeat: /* Returns 1 if okfn() needs to be executed by the caller, * -EPERM for NF_DROP, 0 otherwise. */ -int nf_hook_slow(u_int8_t pf, unsigned int hook, struct sk_buff *skb, - struct net_device *indev, - struct net_device *outdev, - int (*okfn)(struct sk_buff *), - int hook_thresh) +int nf_hook_slow(struct sk_buff *skb, struct nf_hook_state *state) { struct nf_hook_ops *elem; unsigned int verdict; @@ -174,10 +166,11 @@ int nf_hook_slow(u_int8_t pf, unsigned int hook, struct sk_buff *skb, /* We may already have this, but read-locks nest anyway */ rcu_read_lock(); - elem = list_entry_rcu(&nf_hooks[pf][hook], struct nf_hook_ops, list); + elem = list_entry_rcu(&nf_hooks[state->pf][state->hook], + struct nf_hook_ops, list); next_hook: - verdict = nf_iterate(&nf_hooks[pf][hook], skb, hook, indev, - outdev, &elem, okfn, hook_thresh); + verdict = nf_iterate(&nf_hooks[state->pf][state->hook], skb, state, + &elem); if (verdict == NF_ACCEPT || verdict == NF_STOP) { ret = 1; } else if ((verdict & NF_VERDICT_MASK) == NF_DROP) { @@ -186,8 +179,8 @@ next_hook: if (ret == 0) ret = -EPERM; } else if ((verdict & NF_VERDICT_MASK) == NF_QUEUE) { - int err = nf_queue(skb, elem, pf, hook, indev, outdev, okfn, - verdict >> NF_VERDICT_QBITS); + int err = nf_queue(skb, elem, state, + verdict >> NF_VERDICT_QBITS); if (err < 0) { if (err == -ECANCELED) goto next_hook; |