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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netfilter-devel , Network Development , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Lorenzo Bianconi , Florian Westphal , Jesper Dangaard Brouer , Simon Horman , donhunte@redhat.com, Kumar Kartikeya Dwivedi Subject: Re: [PATCH bpf-next v2 3/4] samples/bpf: Add bpf sample to offload flowtable traffic to xdp In-Reply-To: References: <8b9e194a4cb04af838035183694c85242f78e626.1716026761.git.lorenzo@kernel.org> X-Clacks-Overhead: GNU Terry Pratchett Date: Tue, 21 May 2024 12:19:05 +0200 Message-ID: <87ttira2na.fsf@toke.dk> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Alexei Starovoitov writes: > On Sat, May 18, 2024 at 3:13=E2=80=AFAM Lorenzo Bianconi wrote: >> >> Introduce xdp_flowtable_offload bpf sample to offload sw flowtable logic >> in xdp layer if hw flowtable is not available or does not support a >> specific kind of traffic. >> >> Signed-off-by: Lorenzo Bianconi >> --- >> samples/bpf/Makefile | 7 +- >> samples/bpf/xdp_flowtable_offload.bpf.c | 591 +++++++++++++++++++++++ >> samples/bpf/xdp_flowtable_offload_user.c | 128 +++++ >> 3 files changed, 725 insertions(+), 1 deletion(-) >> create mode 100644 samples/bpf/xdp_flowtable_offload.bpf.c >> create mode 100644 samples/bpf/xdp_flowtable_offload_user.c > > I feel this sample code is dead on arrival. > Make selftest more real if you want people to use it as an example, > but samples dir is just a dumping ground. > We shouldn't be adding anything to it. Agreed. We can integrate a working sample into xdp-tools instead :) -Toke