netdev - Re: [NET_SCHED 00/04]: External SFQ classifiers/flow classifier

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Message-ID: <47F22CF5.4080806@trash.net>
Date:	Tue, 01 Apr 2008 14:39:17 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	lists@...yfurniss.entadsl.com
CC:	Corey Hickey <bugfood-ml@...ooh.org>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [NET_SCHED 00/04]: External SFQ classifiers/flow classifier

Andy Furniss wrote:
> Patrick McHardy wrote:
> 
>> tc filter add dev eth0 protocol ip pref 1 parent 1: handle 1 \
>>         flow hash keys dst divisor 1024
>>
> 
> I've been trying to incorporate this into my own setup but haven't got 
> very far :-)
> 
> I don't even know if it's possible to attach to htb subclasses and 
> expect it to work. If it is do you have an example (is this what 
> baseclass is for?).
> 
> I can attach to a filter to other than parent 1:0 OK but it doesn't do 
> anything.
> 
> I have also tried incorporating flow into the 1:0 filters that filter to 
> the htb subclasses that have the sfqs attached to them, but can't get 
> ematch to work - but then I have never been able to get ematch to work. 
> I can't find any examples. All I need if this is the way to go is to 
> match on mark and match on anything.
> 
> Is this possible and if so, do you have/know of any examples?

What exactly are you trying to do? If you attach the classifier
to HTB, it will classify to HTB classes. I guess you actually
want to use it for SFQ, which should work with:

tc qdisc add ... handle x: sfq
tc filter add parent x: protocol all flow ...

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