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

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Message-ID: <895a685b-7449-4bf1-b14d-00aee1d8f75b@linux.dev>
Date: Wed, 25 Sep 2024 13:01:43 -0700
From: Martin KaFai Lau <martin.lau@...ux.dev>
To: Alexis Lothoré <alexis.lothore@...tlin.com>,
 Lorenzo Bianconi <lorenzo@...nel.org>
Cc: Alexei Starovoitov <ast@...nel.org>,
 Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>,
 Jakub Kicinski <kuba@...nel.org>, Eduard Zingerman <eddyz87@...il.com>,
 Song Liu <song@...nel.org>, Yonghong Song <yonghong.song@...ux.dev>,
 John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>,
 Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>,
 Jiri Olsa <jolsa@...nel.org>, Mykola Lysenko <mykolal@...com>,
 Shuah Khan <shuah@...nel.org>, "David S. Miller" <davem@...emloft.net>,
 Jesper Dangaard Brouer <hawk@...nel.org>,
 Maxime Chevallier <maxime.chevallier@...tlin.com>, ebpf@...uxfoundation.org,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
 linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
 linux-kselftest@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next v2] selftests/bpf: convert test_xdp_features.sh
 to test_progs

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 in 
> test_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 does 
attach test. May be something similar can be done like 
https://lore.kernel.org/bpf/20240911-devel-koalo-fix-ingress-ifindex-v4-2-5c643ae10258@linutronix.de/ 
to exercise the xdp prog that does cpumap redirect.