selftests/bpf: Replace TCP CC string comparisons with bpf_strncmp

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The connect4_prog and bpf_iter_setsockopt tests duplicate the same
open-coded TCP congestion control string comparison logic. Since
bpf_strncmp() provides the same functionality, use it instead to
avoid repeated open-coded loops.

This change applies only to functional BPF tests and does not affect
the verifier performance benchmarks (veristat.cfg). No functional
changes intended.

Reviewed-by: Amery Hung <ameryhung@gmail.com>
Signed-off-by: Hoyeon Lee <hoyeon.lee@suse.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20251115225550.1086693-5-hoyeon.lee@suse.com

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Hoyeon Lee 2025-11-16 07:55:39 +09:00 • committed by Martin KaFai Lau

parent f700b37314

commit ec12ab2cda

2 changed files with 10 additions and 28 deletions

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17

tools/testing/selftests/bpf/progs/bpf_iter_setsockopt.c

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21

tools/testing/selftests/bpf/progs/connect4_prog.c

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