[Cake] Bug or not Cake + hfsc or Cake + Drr

[Martin Zaharinov]

Yes Toke i know
i will make more test and will write

Best regards,
m.


On Thu, Mar 7, 2019 at 8:28 PM Toke Høiland-Jørgensen <toke at redhat.com>
wrote:

> Martin Zaharinov <micron10 at gmail.com> writes:
>
> > Hi Pete
> > yes i find this patch and add to cake source
> > and in my test with hfsc and cake
> > i use
> >
> > tc qdisc add dev eth1 root handle 1: hfsc default 1
> > tc class add dev eth1 parent 1: classid 1:1 hfsc ls rate 7mbit ul rate
> 7mbit
> > tc qdisc add dev eth1 parent 1:1 cake besteffort bandwidth 5mbit
> datacentre
> > nat memlimit 32m
> >
> > user speed is 5mbit and on hfsc i add extra 2 mbit to give free limit for
> > cake.
> > and work fine but in dmesg get :
> >
> > [44835.530255] qdisc_peek_len: cake qdisc 8017: is non-work-conserving?
> > [44840.689403] HFSC: cake qdisc 8012: is non-work-conserving?
>
> Yes. As I said, you *cannot use the cake shaper* when running in under
> HFSC.
>
> > user receive 5mbit for upload and download and fine work.
> > mai be need to add no-split-gso to config
> >
> > but after add have same error on dmesg :
> >
> > [44955.641391] HFSC: cake qdisc 8021: is non-work-conserving?
> > [44955.958904] HFSC: cake qdisc 801C: is non-work-conserving?
> >
> > but work fine and will remove warrning from kernel source to not list in
> > dmesg :)
>
> I very much doubt that things will just continue to "work fine" if you
> just remove the warning...
>
> -Toke
>
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