linux-kernel - Re: [PATCH net-next v1 1/1] br_netfilter: namespace bridge netfilter sysctls

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Date:   Mon, 10 Jun 2019 22:51:36 +0200
From:   Christian Brauner <christian@...uner.io>
To:     Pablo Neira Ayuso <pablo@...filter.org>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        bridge@...ts.linux-foundation.org, tyhicks@...onical.com,
        kadlec@...ckhole.kfki.hu, fw@...len.de, roopa@...ulusnetworks.com,
        nikolay@...ulusnetworks.com, linux-kernel@...r.kernel.org,
        richardrose@...gle.com, vapier@...omium.org, bhthompson@...gle.com,
        smbarber@...omium.org, joelhockey@...omium.org,
        ueberall@...menzentrisch.de
Subject: Re: [PATCH net-next v1 1/1] br_netfilter: namespace bridge netfilter
 sysctls

On Mon, Jun 10, 2019 at 07:41:36PM +0200, Pablo Neira Ayuso wrote:
> Thanks for updating this patch to use struct brnf_net.
> 
> A few comments below.
> 
> On Sun, Jun 09, 2019 at 06:23:04PM +0200, Christian Brauner wrote:
> [...]
> > diff --git a/include/net/netfilter/br_netfilter.h b/include/net/netfilter/br_netfilter.h
> > index 89808ce293c4..302fcd3aade2 100644
> > --- a/include/net/netfilter/br_netfilter.h
> > +++ b/include/net/netfilter/br_netfilter.h
> > @@ -85,17 +82,42 @@ static inline __be16 vlan_proto(const struct sk_buff *skb)
> >  		return 0;
> >  }
> >  
> > -#define IS_VLAN_IP(skb) \
> > -	(vlan_proto(skb) == htons(ETH_P_IP) && \
> > -	 brnf_filter_vlan_tagged)
> > +static inline bool is_vlan_ip(const struct sk_buff *skb, const struct net *net)
> > +{
> 
> I like this conversion from macro to static inline a lot.
> 
> But if you let me ask for one more change, would you split this in two
> patches? One to replace #defines by static inline.

Sure.