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

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Date:	Fri, 04 Sep 2009 03:43:22 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	David Miller <davem@...emloft.net>
CC:	hawk@...u.dk, cl@...ux-foundation.org, eric.dumazet@...il.com,
	jarkao2@...il.com, netdev@...r.kernel.org
Subject: Re: [NET] Add proc file to display the state of all qdiscs.

Patrick McHardy wrote:
> David Miller wrote:
>   
>> You mean just like Intel's multiqueue scheduler and multiqueue
>> classifiers which we already have in the tree :-
>>     
>
> No, actually integrated in the current infrastructure :) The patches
> add a virtual root qdisc, so we still have a single root from userspace's
> POV. This qdisc is only used for sch_api purposes and doesn't necessarily
> match the real root qdiscs. When a "mq" qdisc is attached (done by
> default for multiqueue devices), the queues are exposed as child
> classes of this qdisc and can be individually grafted with different
> qdiscs.
>   

Since its getting late and I won't finish this tonight, here are the
patches I'm currently working on in case someone already wants to have
a look. Its working as intended and should be testable. Patch 1 is good
shape IMO, patch 3 still needs some work. Userspace needs no changes.



View attachment "01.diff" of type "text/x-diff" (9550 bytes)

View attachment "02.diff" of type "text/x-diff" (2943 bytes)

View attachment "03.diff" of type "text/x-diff" (10613 bytes)