[LARTC] action redirect and dummy interface

[Paweł Staszewski]

Andy Furniss wrote:

> Paweł Staszewski wrote:
>
>> Hello i have some problems on 2.6.14 kernel dummy and iproute :)
>>
>> i have server with 2 nics :
>>
>> eth0 <> inet
>> eth1 <> lan
>>
>> dummy0 (i want to shape incoming traffic from lan machine on this 
>> interface)
>
>
> OK but the script sends both egress and ingress on eth1 to dummy0.
>

Yes i try to send ingress and egress packets from eth1  to dummy

>>
>> my config:
>> tc qdisc del dev dummy0 root
>>
>> tc qdisc add dev dummy0 root handle 1: htb
>> tc class add dev dummy0 parent 1: classid 1:1 htb rate 100kbit ceil 
>> 100kbit
>> tc class add dev dummy0 parent 1: classid 1:2 htb rate 100kbit ceil 
>> 100kbit
>>
>>
>> tc filter add dev dummy0 protocol ip pref 1 parent 1: handle 1 fw 
>> classid 1:1
>> tc filter add dev dummy0 protocol ip pref 2 parent 1: handle 2 fw 
>> classid 1:2
>>
>> ifconfig dummy0 up
>>
>>
>>
>> tc qdisc del dev eth1 root
>> tc qdisc add dev eth1 root handle 1: htb
>>
>> tc filter add dev eth1 parent 1:0 protocol ip prio 10 u32 \
>> match ip dst 0/0 flowid 1:1 \
>> action ipt -j MARK --set-mark 2 \
>> action mirred egress redirect dev dummy0
>>
>>
>>
>> tc qdisc del dev eth1 ingress
>>
>> tc qdisc add dev eth1 ingress
>>
>> tc filter add dev eth1 parent ffff: protocol ip prio 10 u32 \
>> match ip src 0/0 flowid 1:1 \
>> action ipt -j MARK --set-mark 1 \
>> action mirred egress redirect dev dummy0
>
>
> Apart from adding a modprobe this works for me using the attached 
> dummy.c on 2.6.12.
>
>
I load dummy on system start.

>>
>>
>> and i have only tx-es on dummy0 interface no rx packets and lan 
>> machine cannot comunicate with server and vice-versa
>>
>>
>> any solutions ... i readed this post 
>> http://oss.sgi.com/projects/netdev/archive/2004-04/msg00251.html
>> and i have the same config ... but :)
>
>
> That patch didn't go into kernel and was superseeded by another 
> version which I attach - but AFAIK it's still not in kernel yet and 
> jamal is still working on it.
>
> Andy.



Ok thanks i try your attached patch tommorow and try to do some tests.