netdev - Re: [PATCH 2/6] netfilter: decnet: switch hook PFs to nfproto

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Message-ID: <20120514142249.GA9778@breakpoint.cc>
Date:	Mon, 14 May 2012 16:22:49 +0200
From:	Florian Westphal <fw@...len.de>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	Alban Crequy <alban.crequy@...labora.co.uk>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	Patrick McHardy <kaber@...sh.net>,
	Vincent Sanders <vincent.sanders@...labora.co.uk>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 2/6] netfilter: decnet: switch hook PFs to nfproto

David Laight <David.Laight@...LAB.COM> wrote:
>  
> > NFPROTO_* constants were usually equal to PF_* constants but it is not
> > necessary and it will waste less memory if we don't do so 
> > (see commit 7e9c6e
> > "netfilter: Introduce NFPROTO_* constants")
> ...
> >  
> >  static struct nf_hook_ops dnrmg_ops __read_mostly = {
> >  	.hook		= dnrmg_hook,
> > -	.pf		= PF_DECnet,
> > +	.pf		= NFPROTO_DECNET,
> >  	.hooknum	= NF_DN_ROUTE,
> >  	.priority	= NF_DN_PRI_DNRTMSG,
> >  };
> 
> Might it be worth renaming the .pf member to (say) .nfproto
> to help avoid confusion?

NFPROTO_* values are exported to userspace, so I don't think
its safe to change these values.
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