netdev - Re: [PATCH iproute2-next v3 2/2] tc: implement support for terse dump

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Date:   Sat, 17 Oct 2020 07:20:51 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Vlad Buslov <vlad@...lov.dev>
Cc:     Vlad Buslov <vladbu@...dia.com>, dsahern@...il.com,
        stephen@...workplumber.org, netdev@...r.kernel.org,
        davem@...emloft.net, xiyou.wangcong@...il.com, jiri@...nulli.us,
        ivecera@...hat.com, Vlad Buslov <vladbu@...lanox.com>
Subject: Re: [PATCH iproute2-next v3 2/2] tc: implement support for terse dump

On 2020-10-16 12:42 p.m., Vlad Buslov wrote:

> 
> All action print callbacks have arg==NULL check and return at the
> beginning. To print action type we need either to have dedicated
> 'brief_dump' callback instead of reusing print_aop() or extend/refactor
> print_aop() implementation for all actions to always print the type
> before checking the arg. What do you suggest?
> 

Either one sounds appealing - the refactoring feels simpler
as opposed to a->terse_print().

BTW: the action index, unless i missed something, is not transported
from the kernel for terse option. It is an important parameter
when actions are shared by filters (since they will have the same
index).
Am i missing something?

cheers,
jamal