Subject: Re: [net-next-2.6 PATCH 4/4] net_sched: add MQSAFE flag to qdisc to identify mq like qdiscs

From: John Fastabend <[email-masked]>
Date: Tue, 21 Dec 2010 11:21:46 -0800

On 12/20/2010 3:22 PM, Ben Hutchings wrote:
> On Fri, 2010-12-17 at 07:34 -0800, John Fastabend wrote:
>> Add a MQSAFE flag to the qdisc schedulers that can be safely
>> managed by sch_mclass. Without this flag schedulers that are
>> not aware of multiple tx queues can be grafted under the
>> mclass qdisc. Allowing incorrect qdiscs to be grafted causes
>> an invalid mapping from qdisc's to netdevice queues.
> [...]
> 
> This should be defined before adding sch_mclass, or at the same time,
> not after.
> 
> Ben.
> 

Right. I'll roll it into the initial mclass patch. Thanks.