netdev - Re: [Patch iproute2] u32: add terminal parameter

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Message-ID: <CAM_iQpV8GeEQr+GFFy2Etct_51YhvXEBKydyH9q4NP5QbsDOnA@mail.gmail.com>
Date:	Mon, 14 Apr 2014 18:57:48 -0700
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Jamal Hadi Salim <jhs@...atatu.com>
Cc:	Stephen Hemminger <stephen@...workplumber.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>
Subject: Re: [Patch iproute2] u32: add terminal parameter

On Mon, Apr 14, 2014 at 4:14 PM, Jamal Hadi Salim <jhs@...atatu.com> wrote:
> On 04/14/14 17:18, Cong Wang wrote:
>>
>> On Sat, Apr 12, 2014 at 4:43 AM, Jamal Hadi Salim <jhs@...atatu.com>
>> wrote:
>
>
>> Why? The qdisc my u32 filters attached to is classless (ingress).
>
>
> flowid is a filter id. I am almost certain it was a mistake on your
> part to leave it out. This is why i called it an FAQ and suggested
> you provide a patch to block people from leaving it out.
>
>

So essentially why u32 filters can't just do matching without bothering
classid especially when they are attached to an ingress qdisc? I still
fail to see a reason why I have to care about classid here.
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