netdev - Re: [PATCH bpf-next v3 01/14] selftests/bpf: test

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Message-ID: <be4cd796-e47e-444a-97b9-b1d537e495f3@bootlin.com>
Date: Wed, 17 Sep 2025 17:28:25 +0200
From: Bastien Curutchet <bastien.curutchet@...tlin.com>
To: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Cc: Björn Töpel <bjorn@...nel.org>,
 Magnus Karlsson <magnus.karlsson@...el.com>,
 Jonathan Lemon <jonathan.lemon@...il.com>,
 Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>,
 Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau
 <martin.lau@...ux.dev>, 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>,
 Jakub Kicinski <kuba@...nel.org>, Jesper Dangaard Brouer <hawk@...nel.org>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
 Alexis Lothore <alexis.lothore@...tlin.com>, netdev@...r.kernel.org,
 bpf@...r.kernel.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next v3 01/14] selftests/bpf: test_xsk: Split
 xskxceiver

Hi Maciej,

On 9/16/25 4:21 PM, Maciej Fijalkowski wrote:
> On Thu, Sep 04, 2025 at 12:10:16PM +0200, Bastien Curutchet (eBPF Foundation) wrote:
>> AF_XDP features are tested by the test_xsk.sh script but not by the
>> test_progs framework. The tests used by the script are defined in
>> xksxceiver.c which can't be integrated in the test_progs framework as is.
>>
>> Extract these test definitions from xskxceiver{.c/.h} to put them in new
>> test_xsk{.c/.h} files.
>> Keep the main() function and its unshared dependencies in xksxceiver to
>> avoid impacting the test_xsk.sh script which is often used to test real
>> hardware.
>>
>> Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@...tlin.com>
>> ---
> 
> Hi Bastien,
> 
> after this patch the way summary is reported is different.
> 
> Before:
> # 16 skipped test(s) detected. Consider enabling relevant config options to improve coverage.
> # Totals: pass:53 fail:3 xfail:0 xpass:0 skip:16 error:0
> 
> After:
> # Planned tests != run tests (72 != 53)
> # Totals: pass:53 fail:0 xfail:0 xpass:0 skip:0 error:0
> 
> We lose the count of failed tests. Could you take a look?

Good catch, I'll take a look at it.

Best regards,
-- 
Bastien Curutchet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com