From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andy Furniss <andy.furniss@dsl.pipex.com>
Date: Fri, 22 Apr 2005 22:08:38 +0000
Subject: Re: [LARTC] tc filter - based on iptables - MAC - MARK not working
Message-Id: <426975E6.3090903@dsl.pipex.com>
List-Id: <lartc.vger.kernel.org>
References: <20050419052142.3397.qmail@web32208.mail.mud.yahoo.com>
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To: lartc@vger.kernel.org

Daniel Dafoe wrote:
> Reading along the Net it seems that MAC marking is not
> working with egress HTB (because ipables marks
> packages based on --mac-source ). So my only choice is
> using ingress or u32.
> 
> So this is how I did it:
> 
> I called bellow script add_shaping
> 
> DEV="eth0"
> tc qdisc add dev $DEV root handle 1: htb default 20
> tc class add dev $DEV parent 1: classid 1:1 htb rate
> 200kbps ceil 200kbps
> tc class add dev $DEV parent 1:1 classid 1:15 htb rate
> 10kbps ceil 13kbps prio 3
> tc class add dev $DEV parent 1:1 classid 1:20 htb rate
> 150kbps ceil 187kbps prio 2
> tc qdisc add dev $DEV parent 1:15 handle 150: sfq
> perturb 10
> tc qdisc add dev $DEV parent 1:20 handle 200: sfq
> perturb 10
> 
> 
> 
> U32="tc filter add dev $DEV parent 1:0 protocol ip
> u32"
> 
> for computers in `cat /sistem/class15 | awk '{ print
> $1 }'`
> do
> in="`echo $computers | awk '{split($1,a,":"); print
> a[1]a[2] }'`"
> fin="`echo $computers | awk '{split($1,a,":"); print
> a[3]a[4]a[5]a[6] }'`"
> $U32 match u16 0x0800 0xffff at -2 match u32 0x$fin
> 0xFFFFFFFF at -12 match u16 0x$in 0xFFFF at -14
> classid 1:15
> done
> 
> 
> Explanation:  On a file called /sistem/class15 I have
> MAC list
> 
> 00:0D:87:60:61:37 JOHNNY
> 00:0E:A6:69:2B:74 HORY
> 00:50:8D:F9:E3:51 GIMMY
> 
> The script above (not so elegant I think but is my
> first attempt on awk) parse /sistem/class15 and add
> filter rules to match classid 1:15
> 
> I'll make scripts for files like /sistem/classxx to
> match class xx and classid 1:xx and so on -- after
> this I only modify files:
> 
> /sistem/class15
> /sistem/class20
> /sistem/classxx
> 
> and run:
> tc qdisc del dev eth0 root (actually made a new script
> rm_shaping)
> and of course run the awk script again (./add_shaping)
> 
> So finally all I have to do is rm_shaping, add_shaping
> and my modifications of /sistem/classxx files are
> loaded   --- 
> 
> And shaping works like a charm ...:)

Glad you got it working - I didn't see this when I replied earlier 
mozilla didn't thread it with the rest.

Andy.
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