Re: [PATCH RESEND net-next 1/2] br_netfilter: add struct netns_brnf

From: Christian Brauner
Date: Thu Jun 06 2019 - 11:23:58 EST


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@xxxxxxxxxx> 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