Re: [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh to test_progs

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To: Alexis Lothoré <alexis.lothore@xxxxxxxxxxx>, Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Subject: Re: [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh to test_progs
From: Martin KaFai Lau <martin.lau@xxxxxxxxx>
Date: Wed, 25 Sep 2024 13:01:43 -0700
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Eduard Zingerman <eddyz87@xxxxxxxxx>, Song Liu <song@xxxxxxxxxx>, Yonghong Song <yonghong.song@xxxxxxxxx>, John Fastabend <john.fastabend@xxxxxxxxx>, KP Singh <kpsingh@xxxxxxxxxx>, Stanislav Fomichev <sdf@xxxxxxxxxxx>, Hao Luo <haoluo@xxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, Mykola Lysenko <mykolal@xxxxxx>, Shuah Khan <shuah@xxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Jesper Dangaard Brouer <hawk@xxxxxxxxxx>, Maxime Chevallier <maxime.chevallier@xxxxxxxxxxx>, ebpf@xxxxxxxxxxxxxxxxxxx, Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, bpf@xxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx
In-reply-to: <366e4392-bd00-4120-8585-a71b3952e365@linux.dev>

On 9/25/24 3:37 AM, Martin KaFai Lau wrote:

I am not sure which case in xdp_features.c does not have existing coverage intest_progs. From a quick look, it seems only BPF_MAP_TYPE_CPUMAP is missing(please check)?

Re: CPUMAP, I noticed there is a xdp_(cpu)map_attach.c test but it only doesattach test. May be something similar can be done likehttps://lore.kernel.org/bpf/20240911-devel-koalo-fix-ingress-ifindex-v4-2-5c643ae10258@xxxxxxxxxxxxx/to exercise the xdp prog that does cpumap redirect.

Follow-Ups:
- Re: [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh to test_progs
  - From: Alexis Lothoré

References:
- [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh to test_progs
  - From: Alexis Lothoré (eBPF Foundation)
- Re: [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh to test_progs
  - From: Martin KaFai Lau
- Re: [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh to test_progs
  - From: Lorenzo Bianconi
- Re: [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh to test_progs
  - From: Jakub Kicinski
- Re: [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh to test_progs
  - From: Alexis Lothoré
- Re: [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh to test_progs
  - From: Martin KaFai Lau

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