[LARTC] Re: PRIO and CBQ

[doudouyam]

I've made a mistake in the second case:


tc qdisc add dev $DEV root handle 1: prio band 1
tc class add dev $DEV parent 1: classid 1:2 cbq …
tc class add dev $DEV parent 1:2 classid 1:3 cbq …
tc class add dev $DEV parent 1:2 classid 1:4 cbq …

tc qdisc add dev $DEV parent 1:1 handle 10: pfifo
tc qdisc add dev $DEV parent 1:3 handle 30: sfq
tc qdisc add dev $DEV parent 1:4 handle 40: sfq

            1:(prio)
           /          \
          /            \
       1:1            1:2
         |             /   \
         |            /     \
        10:       1:3    1:4
        (pfifo)      |        |
                      |        |
                     30:     40:
                    (sfq)   (sfq)

2006/7/19, doudouyam <doudouyam at gmail.com>:
>
> Hi,
> I'm work on traffic shaping and I would like to know if it's possible to
> mix differents Queueing Disciplines ??
> I would like to combine the proporties of a PRIO discipline with that of a
> CBQ discipline.
> I read some documentation and I found nothing about that, can you help me
> ?
>
> I think to try something like that :
>
> tc qdisc add dev $DEV root handle 1: cbq …
> tc class add dev $DEV parent 1: classid 1:1 cbq …
> tc class add dev $DEV parent 1:1 classid 1:10 cbq …
> tc class add dev $DEV parent 1:1 prio
>
> Normally I've this tree :
>
>            1:(cbq)
>                |
>                |
>              1:1
>            /      \
>           /         \
> 1:10(cbq)      1:??(prio)
>
> Or something like that :
>
> tc qdisc add dev $DEV root handle 1: prio band 2
> tc class add dev $DEV parent 1: classid 1:2 cbq …
> tc class add dev $DEV parent 1:2 classid 1:3 cbq …
> tc class add dev $DEV parent 1:2 classid 1:4 cbq …
>
> tc qdisc add dev $DEV parent 1:1 handle 10: pfifo
> tc qdisc add dev $DEV parent 1:3 handle 30 sfq
> tc qdisc add dev $DEV parent 1:4 handle 40 sfq
>
>             1:(prio)
>            /          \
>           /            \
>        1:1            1:2
>          |             /   \
>          |            /     \
>         10:       1:3    1:4
>         (pfifo)      |        |
>                       |        |
>                      30:     40:
>                     (sfq)   (sfq)
>
> Is it possible ??? (the first solution seems to me not possible)
>
>
> Thanks.
>
>
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