Re: [PATCH bpf-next v2 0/7] Add bpf_link based TC-BPF API

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On Fri, Jun 10, 2022 at 1:04 PM Daniel Borkmann <daniel@xxxxxxxxxxxxx> wrote:
>
> Hi Joanne, hi Kumar,
>
> On 6/10/22 9:34 PM, Kumar Kartikeya Dwivedi wrote:
> > On Sat, Jun 11, 2022 at 12:37:50AM IST, Joanne Koong wrote:
> >> On Fri, Jun 10, 2022 at 10:23 AM Joanne Koong <joannelkoong@xxxxxxxxx> wrote:
> >>> On Fri, Jun 10, 2022 at 5:58 AM Kumar Kartikeya Dwivedi
> >>> <memxor@xxxxxxxxx> wrote:
> >>>> On Fri, Jun 10, 2022 at 05:54:27AM IST, Joanne Koong wrote:
> >>>>> On Thu, Jun 3, 2021 at 11:31 PM Kumar Kartikeya Dwivedi
> >>>>> <memxor@xxxxxxxxx> wrote:
> [...]
> >>>> I can have a look at resurrecting it later this month, if you're ok with waiting
> >>>> until then, otherwise if someone else wants to pick this up before that it's
> >>>> fine by me, just let me know so we avoid duplicated effort. Note that the
> >>>> approach in v2 is dead/unlikely to get accepted by the TC maintainers, so we'd
> >>>> have to implement the way Daniel mentioned in [0].
> >>>
> >>> Sounds great! We'll wait and check back in with you later this month.
> >>>
> >> After reading the linked thread (which I should have done before
> >> submitting my previous reply :)),  if I'm understanding it correctly,
> >> it seems then that the work needed for tc bpf_link will be in a new
> >> direction that's not based on the code in this v2 patchset. I'm
> >> interested in learning more about bpf link and tc - I can pick this up
> >> to work on. But if this was something you wanted to work on though,
> >> please don't hesitate to let me know; I can find some other bpf link
> >> thing to work on instead if that's the case.
>
> The tc ingress/egress overhaul we also discussed at lsf/mm/bpf in our session
> with John and pretty much is along the lines as in the earlier link you sent.
> We need it from Cilium & Tetragon as well, so it's wip from our side at the
> moment, modulo the bpf link part. Would you be okay if I pinged you once something
> that is plateable is ready?
Yeah definitely! Thanks for letting me know!
>
> Thanks,
> Daniel



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