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Message-ID: <49081BA5.5070401@trash.net>
Date:	Wed, 29 Oct 2008 09:15:33 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	almaop@...zta.fm
CC:	David Miller <davem@...emloft.net>, linux-net@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: New filter 'flow' bug?

> From: almaop@...zta.fm
> Date: 29 Oct 2008 08:27:05 +0100
>> My configuration: gentoo, kernel 2.6.26.7 + imq patch + l7 patch, glibc 2.7, iproute2 2.6.26. Shaping is done on ethernet (e1000 card) but as I see on the ifb nothing changes.
>> There are htb 3 classes with sfq as their qdiscs. It is simple, something like:
>>
>> tc qdisc add dev $DEV root handle 1: htb default 4 tc class add dev $DEV parent 1: classid 1:1 htb rate 78kbps ceil 78kbps overhead 0 linklayer atm
>>
>> tc class add dev $DEV parent 1:1 classid 1:2 htb rate 20kbps ceil 20kbps overhead 0 linklayer atm prio 3
>> tc class add dev $DEV parent 1:1 classid 1:3 ...
>> tc class add dev $DEV parent 1:1 classid 1:4 ...
>>  
>> tc qdisc add dev $DEV parent 1:2 handle 2: sfq quantum 64
>> tc qdisc add dev $DEV parent 1:3 handle 3: sfq
>> tc qdisc add dev $DEV parent 1:4 handle 4: sfq
>>
>> tc filter add dev $DEV parent 1: ....
>> ....
>>  
>> tc filter add dev $DEV parent 2: protocol ip handle 1 prio 12 flow \
>> hash keys dst,proto,proto-dst divisor 128
>>
>> tc filter add dev $DEV parent 3: protocol ip handle 1 prio 12 flow \
>> hash keys dst,proto,proto-dst divisor 128
>>
>> tc filter add dev $DEV parent 4: protocol ip handle 1 prio 12 flow \
>> hash keys nfct-src,nfct-dst,proto,nfct-proto-src,nfct-proto-dst divisor 128
>>
>> I'm not sure where is the bug - in the flow filter or in the sfq qdisc.

Which SFQ qdisc is stalling?
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