[LARTC] Re: PRIO and CBQ

[doudouyam]

I found a script at http://www.docum.org/docum.org/ which answer at my
question :

tc qdisc del $DEV root
tc qdisc add $DEV root handle 10: cbq bandwidth 10mbit avpkt 1000
tc class add $DEV parent 10:0 classid 10:1 cbq bandwidth 10mbit rate
$RATE_TOT $OPTION prio 3 bounded isolated

tc qdisc add $DEV parent 10:1 handle 20: prio

Is it correct ?


2006/7/19, doudouyam <doudouyam at gmail.com>:
>
> 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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