netdev - Re: [NET] Add proc file to display the state of all qdiscs.

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Message-ID: <Pine.LNX.4.64.0909031911400.3490@ask.diku.dk>
Date:	Thu, 3 Sep 2009 19:30:00 +0200 (CEST)
From:	Jesper Dangaard Brouer <hawk@...u.dk>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Christoph Lameter <cl@...ux-foundation.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Jarek Poplawski <jarkao2@...il.com>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [NET] Add proc file to display the state of all qdiscs.


On Thu, 3 Sep 2009, Patrick McHardy wrote:

> Jesper Dangaard Brouer wrote:
>>
>> On Wed, 2 Sep 2009, Christoph Lameter wrote:
>>> On Wed, 2 Sep 2009, Eric Dumazet wrote:
>>>
>>>> Same name "eth0" is displayed, that might confuse parsers...
>>>>
>>>> What naming convention should we choose for multiqueue devices ?
>>>
>>> eth0/tx<number> ?
>>
>> Remember that we already have a naming convention in /proc/interrupts
>>
>>  eth0-tx-<number>
>>
>> Lets not introduce too many new once ;-)
>
> The approach I'm currently working on will present multiqueue root
> qdiscs as children of a dummy classful qdisc. This avoids handle
> clashes and the need for new identifiers and allows to address each
> qdisc seperately, similar to how it works with other classful qdiscs:

I like your approach. Its well suited for the qdiscs :-)

I especially like the possibility to access each qdisc seperately.  Does 
it then support having seperate qdisc per TX queue?  (I'm toying with the 
idea of transmitting our multicast traffic into/via a seperate TX hardware 
queue, and making a special qdisc for IPTV MPEG2-TS shaping)

Cheers,
   Jesper Brouer

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