Re: [Linux Diffserv] problem of sch_dsmark

[Steffen Moser <lists@steffen-moser.de>]

Hi,

* On Sat, Aug 09, 2003 at 11:08 AM (+0200), Steffen Moser wrote:

> I don't really know if you need to classify your packets a second time,
> that means, I don't know, if it's possible to use the TCINDEX classifier
> to decide whether to put the packets to 2:1, 2:2 or 2:3, e.g. having:
> 
>    $TC filter add dev eth0 parent 2:0 protocol ip handle 1 tcindex classid 2:1 pass_on
>    $TC filter add dev eth0 parent 2:0 protocol ip handle 2 tcindex classid 2:2 pass_on
>    $TC filter add dev eth0 parent 2:0 protocol ip handle 3 tcindex classid 2:3 pass_on 

It seems to function here. I've tested it using PRIO instead of CBQ to
make it a little bit shorter:

  $TC qdisc del dev eth0 root

  $TC qdisc add dev eth0 handle 1:0 root dsmark indices 64
    $TC class change dev eth0 classid 1:1 dsmark mask 0x3 value 0xb8
    $TC class change dev eth0 classid 1:2 dsmark mask 0x3 value 0x68
    $TC class change dev eth0 classid 1:3 dsmark mask 0x3 value 0x48

    $TC filter add dev eth0 parent 1:0 protocol ip prio 1 u32 match ip dst 192.168.1.1/32 match ip dport 0x16 0xffff flowid 1:1
    $TC filter add dev eth0 parent 1:0 protocol ip prio 2 u32 match ip dst 192.168.1.1/32 flowid 1:2
    $TC filter add dev eth0 parent 1:0 protocol ip prio 3 u32 match ip dst 192.168.1.120/32 flowid 1:3

    $TC qdisc add dev eth0 parent 1:0 handle 2:0 prio bands 3

       echo EF data ...
       $TC qdisc add dev eth0 parent 2:1 pfifo limit 5

       echo AF1 data ...
       $TC qdisc add dev eth0 parent 2:2 red limit 60KB min 15KB max 45KB burst 20 avpkt 1000 bandwidth 10Mbit probability 0.4

       echo AF2 data ...
       $TC qdisc add dev eth0 parent 2:3 red limit 60KB min 5KB max 30KB burst 20 avpkt 1000 bandwidth 10Mbit probability 0.4

    $TC filter add dev eth0 parent 2:0 protocol ip handle 1 tcindex classid 2:1 pass_on
    $TC filter add dev eth0 parent 2:0 protocol ip handle 2 tcindex classid 2:3 pass_on
    $TC filter add dev eth0 parent 2:0 protocol ip handle 3 tcindex classid 2:2 pass_on

HTH,
Steffen



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