Re: [PATCH bpf-next 0/4] Introduce bpf_ct_set_nat_info kfunc helper

Lorenzo Bianconi
2022-09-02T16:09:34Z

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> On Fri, Sep 02, 2022 at 04:41:28PM +0200, Daniel Borkmann wrote:
> > On 9/2/22 4:35 PM, Lorenzo Bianconi wrote:
> > > On Sep 02, Daniel Borkmann wrote:
> > > > On 9/1/22 6:43 PM, Lorenzo Bianconi wrote:
> > > > > Introduce bpf_ct_set_nat_info kfunc helper in order to set source and
> > > > > destination nat addresses/ports in a new allocated ct entry not inserted
> > > > > in the connection tracking table yet.
> > > > > Introduce support for per-parameter trusted args.
> > > > >
> > > > > Kumar Kartikeya Dwivedi (2):
> > > > > bpf: Add support for per-parameter trusted args
> > > > > selftests/bpf: Extend KF_TRUSTED_ARGS test for __ref annotation
> > > > >
> > > > > Lorenzo Bianconi (2):
> > > > > net: netfilter: add bpf_ct_set_nat_info kfunc helper
> > > > > selftests/bpf: add tests for bpf_ct_set_nat_info kfunc
> > > > >
> > > > > Documentation/bpf/kfuncs.rst | 18 +++++++
> > > > > kernel/bpf/btf.c | 39 ++++++++++-----
> > > > > net/bpf/test_run.c | 9 +++-
> > > > > net/netfilter/nf_conntrack_bpf.c | 49 ++++++++++++++++++-
> > > > > .../testing/selftests/bpf/prog_tests/bpf_nf.c | 2 +
> > > > > .../testing/selftests/bpf/progs/test_bpf_nf.c | 26 +++++++++-
> > > > > tools/testing/selftests/bpf/verifier/calls.c | 38 +++++++++++---
> > > > > 7 files changed, 156 insertions(+), 25 deletions(-)
> > > > >
> > > >
> > > > Looks like this fails BPF CI, ptal:
> > > >
> > > > https://github.com/kernel-patches/bpf/runs/8147936670?check_suite_focus=true
> > >
> > > Hi Daniel,
> > >
> > > it seems CONFIG_NF_NAT is not set in the kernel config file.
> > > Am I supposed to enable it in bpf-next/tools/testing/selftests/bpf/config?
> >
> > This would have to be set there and added to the patches, yes. @Andrii/DanielM, is
> > this enough or are other steps needed on top of that?
>
> Yes, I think it should be set at said location. Nothing else should be
> needed in addition that I can think of.

ack, I will wait a bit for some more feedbacks and then I will post v2.

Regards,
Lorenzo

>
> Thanks,
> Daniel
>
> [...]
>

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