Re: [PATCH v3 nft] Set/print standard chain priorities with textual names

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On Thu, Jul 05, 2018 at 06:01:59PM +0200, Pablo Neira Ayuso wrote:
> On Thu, Jul 05, 2018 at 05:56:00PM +0200, Máté Eckl wrote:
> > On Thu, Jul 05, 2018 at 05:22:23PM +0200, Pablo Neira Ayuso wrote:
> > > On Thu, Jul 05, 2018 at 05:14:20PM +0200, Máté Eckl wrote:
> > > > On Thu, Jun 21, 2018 at 01:42:14PM +0200, Pablo Neira Ayuso wrote:
> > > > > On Thu, Jun 21, 2018 at 01:01:31PM +0200, Phil Sutter wrote:
> > > > > [...]
> > > > > > On Thu, Jun 21, 2018 at 11:26:37AM +0200, Máté Eckl wrote:
> > > > > > > By the way, there's a question I haven't met yet. Prio spec is used by not only
> > > > > > > hook_spec but also flowtable_block. Are these standard priorities applicable for
> > > > > > > flowtable priorities? Or should I make it specific to chains?
> > > > > 
> > > > > Only the filter priority you can apply to the flowtable_block.
> > > > 
> > > > Is there a man page you could recommend to read more about flowtables? Maybe one
> > > > of an older tool? I haven't find much about this.
> > > 
> > > man nft.
> > > 
> > > There is also: Documentation/networking/nf_flowtable.txt
> > 
> > But these don't say anything about filter or anything.. I'd like to see if it
> > makes any sense here. It seems not to make any for now. How about leaving
> > flowtables alone with this change and only apply this for chains?
> 
> flowtables can be only beplaced at ingress. And there is only 'filter'
> chains there at this stage. So taking filter as 0 there is just fine.

To clarify flowtables are just like netdev/ingress chains. The
priority allows you to place a netdev/ingress filter chain before
your flowtable.
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