[LARTC] Gred/dsmark/htb

[Andy Furniss]

comp.techs wrote:
> Hi, I am trying to get assured forwarding/expedited forwarding with gred and htb working. Below is the script I am using.
> The following steps are what I thing is how the script works. My problem is that if I remove the HTB qdisc from the script and have the GREDS parent as the dsmark it works, but when I add the htb as a parent of GRED and DSmark the parent of htb it does not work?
>  
> Any suggestion appreciated.
> thx jason
>  
>  1. The DS field is marked by iptables in prerouting/mangle to the appropriate class.
>  2. DSMark masks the ds and copies ths dscp to the tcindex field. 
>  3. filters are selected as per what dscp there handle is.
>  4. the minor of the filter is returned back to the dsmark and copied to the tcindex
>  
>  
>    #!/bin/sh
> tc qdisc del dev eth0 root
> tc qdisc add dev eth0 handle 1:0 root dsmark indices 16 set_tc_index
> tc filter add dev eth0 parent 1:0 protocol ip prio 1 tcindex \
> mask 0xfc shift 2 pass_on
> #af class 1

I think all the filters below here should be on 2:0

> tc filter add dev eth0 parent 1:0 protocol ip prio 1 \
> handle 10 tcindex classid 1:11
> tc filter add dev eth0 parent 1:0 protocol ip prio 1 \
> handle 12 tcindex classid 1:12
> tc filter add dev eth0 parent 1:0 protocol ip prio 1 \
> handle 14 tcindex classid 1:13
> #af class 2

Andy.