netdev - Re: Adding new packet scheduler

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Message-ID: <CAHA+R7PScLKyhF7V+RWahL1Ovfjb7eCO+Hh-aDYchPrfvAUDHg@mail.gmail.com>
Date:	Mon, 20 Oct 2014 10:37:40 -0700
From:	Cong Wang <cwang@...pensource.com>
To:	Josh Clark <jcinma@...il.com>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: Adding new packet scheduler

On Mon, Oct 20, 2014 at 10:32 AM, Josh Clark <jcinma@...il.com> wrote:
> Hi everyone,
>
> I'm a student at NC State University, and I'm working on a project to
> implement some new classful AQM algorithms and test their
> effectiveness. However, I'm getting hung up on how to get the new
> algorithm set up in the kernel.
>
> From what I've looked at, it looks like I need to add my code to
> /net/sched/, and edit both the Kconfig and the Makefile to be able to
> add my code as another module.

Basically yes, take a look at:
http://lwn.net/Articles/577208/

>
> Finally, in order to use the new scheduler, I need to select it using
> the tc command. What do I need to do to add my algorithm to the tc
> command options?

Read the existing qdisc's in tc, for example:
http://git.kernel.org/cgit/linux/kernel/git/shemminger/iproute2.git/tree/tc/q_fq.c
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