From: Christian Brauner <christian@brauner.io>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
bridge@lists.linux-foundation.org, tyhicks@canonical.com,
pablo@netfilter.org, kadlec@blackhole.kfki.hu, fw@strlen.de,
roopa@cumulusnetworks.com, nikolay@cumulusnetworks.com,
linux-kernel@vger.kernel.org, richardrose@google.com,
vapier@chromium.org, bhthompson@google.com,
smbarber@chromium.org, joelhockey@chromium.org,
ueberall@themenzentrisch.de
Subject: Re: [PATCH RESEND net-next 1/2] br_netfilter: add struct netns_brnf
Date: Thu, 6 Jun 2019 17:19:39 +0200 [thread overview]
Message-ID: <20190606151937.mdpalfk7urvv74ub@brauner.io> (raw)
In-Reply-To: <20190606081440.61ea1c62@hermes.lan>
On Thu, Jun 06, 2019 at 08:14:40AM -0700, Stephen Hemminger wrote:
> On Thu, 6 Jun 2019 13:41:41 +0200
> Christian Brauner <christian@brauner.io> wrote:
>
> > +struct netns_brnf {
> > +#ifdef CONFIG_SYSCTL
> > + struct ctl_table_header *ctl_hdr;
> > +#endif
> > +
> > + /* default value is 1 */
> > + int call_iptables;
> > + int call_ip6tables;
> > + int call_arptables;
> > +
> > + /* default value is 0 */
> > + int filter_vlan_tagged;
> > + int filter_pppoe_tagged;
> > + int pass_vlan_indev;
> > +};
>
> Do you really need to waste four bytes for each
> flag value. If you use a u8 that would work just as well.
I think we had discussed something like this but the problem why we
can't do this stems from how the sysctl-table stuff is implemented.
I distinctly remember that it couldn't be done with a flag due to that.
Christian
next prev parent reply other threads:[~2019-06-06 15:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-06 11:41 [PATCH RESEND net-next 0/2] br_netfilter: enable in non-initial netns Christian Brauner
2019-06-06 11:41 ` [PATCH RESEND net-next 1/2] br_netfilter: add struct netns_brnf Christian Brauner
2019-06-06 15:14 ` Stephen Hemminger
2019-06-06 15:19 ` Christian Brauner [this message]
2019-06-06 16:30 ` Pablo Neira Ayuso
2019-06-07 13:25 ` Christian Brauner
2019-06-07 14:28 ` Pablo Neira Ayuso
2019-06-07 14:43 ` Pablo Neira Ayuso
2019-06-09 15:44 ` Christian Brauner
2019-06-06 11:41 ` [PATCH RESEND net-next 2/2] br_netfilter: namespace bridge netfilter sysctls Christian Brauner
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