netdev - [PATCH v3 0/2] selftests/bpf: convert test_xdp_veth to test

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Message-Id: <20240716-convert_test_xdp_veth-v3-0-7b01389e3cb3@bootlin.com>
Date: Tue, 16 Jul 2024 12:13:27 +0200
From: Alexis Lothoré (eBPF Foundation) <alexis.lothore@...tlin.com>
To: Alexei Starovoitov <ast@...nel.org>, 
 Daniel Borkmann <daniel@...earbox.net>, 
 "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
 Jesper Dangaard Brouer <hawk@...nel.org>, 
 John Fastabend <john.fastabend@...il.com>, 
 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>, 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>, Simon Horman <horms@...nel.org>
Cc: ebpf@...uxfoundation.org, netdev@...r.kernel.org, bpf@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Alexis Lothoré <alexis.lothore@...tlin.com>
Subject: [PATCH v3 0/2] selftests/bpf: convert test_xdp_veth to test_progs
 framework

Hello everyone,

this small series is a first step in a larger effort aiming to help improve
eBPF selftests and the testing coverage in CI. It focuses for now on
test_xdp_veth.sh, a small test which is not integrated yet in test_progs.
The series is mostly about a rewrite of test_xdp_veth.sh to make it able to
run under test_progs, relying on libbpf to manipulate bpf programs involved
in the test.

Signed-off-by: Alexis Lothoré <alexis.lothore@...tlin.com>
---
Changes in v3:
- Fix doc style in the new test
- Collect acked-by tags
- Link to v2: https://lore.kernel.org/r/20240715-convert_test_xdp_veth-v2-0-46290b82f6d2@bootlin.com

Changes in v2:
- fix many formatting issues raised by checkpatch
- use static namespaces instead of random ones
- use SYS_NOFAIL instead of snprintf() + system ()
- squashed the new test addition patch and the old test removal patch
- Link to v1: https://lore.kernel.org/r/20240711-convert_test_xdp_veth-v1-0-868accb0a727@bootlin.com

---
Alexis Lothoré (eBPF Foundation) (2):
      selftests/bpf: update xdp_redirect_map prog sections for libbpf
      selftests/bpf: integrate test_xdp_veth into test_progs

 tools/testing/selftests/bpf/Makefile               |   1 -
 .../selftests/bpf/prog_tests/test_xdp_veth.c       | 211 +++++++++++++++++++++
 .../testing/selftests/bpf/progs/xdp_redirect_map.c |   6 +-
 tools/testing/selftests/bpf/test_xdp_veth.sh       | 121 ------------
 4 files changed, 214 insertions(+), 125 deletions(-)
---
base-commit: 4837cbaa1365cdb213b58577197c5b10f6e2aa81
change-id: 20240710-convert_test_xdp_veth-04cc05f5557d

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