[PATCH bpf-next v2 0/2] selftests: bpf: Migrate test_xdp_meta.sh to test_progs

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Hi all,

This patch series continues the work to migrate the script tests into
prog_tests.

test_xdp_meta.sh uses the BPF programs defined in progs/test_xdp_meta.c
to do a simple XDP/TC functional test that checks the metadata
allocation performed by the bpf_xdp_adjust_meta() helper.

This is already partly covered by two tests under prog_tests/:
- xdp_context_test_run.c uses bpf_prog_test_run_opts() to verify the
validity of the xdp_md context after a call to bpf_xdp_adjust_meta()
- xdp_metadata.c ensures that these meta-data can be exchanged through
an AF_XDP socket.

However test_xdp_meta.sh also verifies that the meta-data initialized
in the struct xdp_md is forwarded to the struct __sk_buff used by BPF
programs at 'TC level'. To cover this, I add a test case in
xdp_context_test_run.c that uses the same BPF programs from
progs/test_xdp_meta.c.

---
Changes in v2:
- Add missing close_netns()
- Use a unique 'close' label
- Link to v1: https://lore.kernel.org/r/20241206-xdp_meta-v1-0-5c150618f6e9@xxxxxxxxxxx

---
Bastien Curutchet (2):
      selftests/bpf: test_xdp_meta: Rename BPF sections
      selftests/bpf: Migrate test_xdp_meta.sh into xdp_context_test_run.c

 tools/testing/selftests/bpf/Makefile               |  1 -
 .../bpf/prog_tests/xdp_context_test_run.c          | 87 ++++++++++++++++++++++
 tools/testing/selftests/bpf/progs/test_xdp_meta.c  |  4 +-
 tools/testing/selftests/bpf/test_xdp_meta.sh       | 58 ---------------
 4 files changed, 89 insertions(+), 61 deletions(-)
---
base-commit: 0c30734c4f35c4784d3d3ca1bb89d9779045878c
change-id: 20241203-xdp_meta-868307cd0e03

Best regards,
-- 
Bastien Curutchet (eBPF Foundation) <bastien.curutchet@xxxxxxxxxxx>





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