netdev - Re: [PATCH 3/4] netfilter: Pass socket pointer down through okfn().

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Date:	Tue, 7 Apr 2015 17:35:33 +0200
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, jiri@...nulli.us
Subject: Re: [PATCH 3/4] netfilter: Pass socket pointer down through okfn().

On Tue, Apr 07, 2015 at 04:44:29PM +0200, Hannes Frederic Sowa wrote:
> On So, 2015-04-05 at 22:19 -0400, David Miller wrote:
> > --- a/include/linux/netfilter.h
> > +++ b/include/linux/netfilter.h
> > @@ -54,7 +54,7 @@ struct nf_hook_state {
> >  	struct net_device *in;
> >  	struct net_device *out;
> >  	struct sock *sk;
> > -	int (*okfn)(struct sk_buff *);
> > +	int (*okfn)(struct sock *, struct sk_buff *);
> >  };
> 
> If we give okfn the signature int (*okfn)(struct nf_hook_state *); then
> we would not need to touch anything else to enhance this.
> 
> What do you think?

I guess you mean something like:

        int (*okfn)(struct sk_buff *, struct nf_hook_state *);

I agree that would save us from more changes on the okfn() signature.
I think it's OK if that change is introduced once we have some client
code that needs it, I mean in a follow up patch.
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