selftests/bpf: add test for bpf_for_each_map_elem() with different maps

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A test is added for bpf_for_each_map_elem() with either an arraymap or a
hashmap.
$ tools/testing/selftests/bpf/test_progs -t for_each
 #93/1    for_each/hash_map:OK
 #93/2    for_each/array_map:OK
 #93/3    for_each/write_map_key:OK
 #93/4    for_each/multi_maps:OK
 #93      for_each:OK
Summary: 1/4 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Philo Lu <lulie@linux.alibaba.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240405025536.18113-4-lulie@linux.alibaba.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Philo Lu 2024-04-05 10:55:36 +08:00 • committed by Alexei Starovoitov

parent 9d482da9e1

commit fecb1597cc

2 changed files with 111 additions and 0 deletions

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62

tools/testing/selftests/bpf/prog_tests/for_each.c

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49

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

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