netdev - Re: [PATCH] bridge: netfilter: spanning tree: Add masked_ether_addr

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Message-ID: <20160624085128.GA1939@salvia>
Date:	Fri, 24 Jun 2016 10:51:28 +0200
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Patrick McHardy <kaber@...sh.net>,
	Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
	Stephen Hemminger <stephen@...workplumber.org>,
	"David S. Miller" <davem@...emloft.net>,
	netfilter-devel@...r.kernel.org, coreteam@...filter.org,
	bridge@...ts.linux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bridge: netfilter: spanning tree: Add
 masked_ether_addr_equal and neatening

On Thu, Jun 23, 2016 at 12:00:00PM -0700, Joe Perches wrote:
> On Thu, 2016-06-23 at 19:36 +0200, Pablo Neira Ayuso wrote:
> > On Wed, Jun 15, 2016 at 01:58:45PM -0700, Joe Perches wrote:
> > > 
> > > There is code duplication of a masked ethernet address comparison here
> > > so make it a separate function instead.
> > > 
> > > Miscellanea:
> > > 
> > > o Neaten alignment of FWINV macro uses to make it clearer for the reader
> > Applied, thanks.
> > 
> > > 
> > > Signed-off-by: Joe Perches <joe@...ches.com>
> > > ---
> > > 
> > > This masked_ether_addr_equal function could go into etherdevice.h,
> > > but I don't see another use like it in kernel code.  Is there one?
> >
> > This is specific of iptables, not even nftables would use this. So I
> > would keep this in the iptables tree.
> 
> Did you see the other patch that adds a generic
> ether_addr_equal_masked() and uses it in a few
> more files?

You mean this one:

        http://patchwork.ozlabs.org/patch/636208/

OK, so I'll toss the previous and will take this one instead.

As I said my opinion is that ether_addr_equal_masked() is only
required by netfilter, but thinking it well I don't really mind in
what header this function is placed given that these are our internal
headers.

Thanks.