Re: [PATCH bpf-next v2 2/4] netfilter: add bpf_xdp_flow_offload_lookup kfunc

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On Sat, 18 May 2024 at 12:13, Lorenzo Bianconi <lorenzo@xxxxxxxxxx> wrote:
>
> Introduce bpf_xdp_flow_offload_lookup kfunc in order to perform the
> lookup of a given flowtable entry based on a fib tuple of incoming
> traffic.
> bpf_xdp_flow_offload_lookup can be used as building block to offload
> in xdp the processing of sw flowtable when hw flowtable is not
> available.
>
> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
> ---

Acked-by: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>

Though I think it might have been better to have an opts parameter for
extensibility (and have opts->error for now to aid debugging when NULL
is returned),
but I won't insist (it's not a big deal, as there's only two things
that can go wrong: the tuple->family is unsupported or the lookup
fails).




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