diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/test_struct_ops_module.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/test_struct_ops_module.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/test_struct_ops_module.c b/tools/testing/selftests/bpf/prog_tests/test_struct_ops_module.c index 7d6facf46ebb..ee5372c7f2c7 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_struct_ops_module.c +++ b/tools/testing/selftests/bpf/prog_tests/test_struct_ops_module.c @@ -30,11 +30,29 @@ cleanup: close(fd); } +static int attach_ops_and_check(struct struct_ops_module *skel, + struct bpf_map *map, + int expected_test_2_result) +{ + struct bpf_link *link; + + link = bpf_map__attach_struct_ops(map); + ASSERT_OK_PTR(link, "attach_test_mod_1"); + if (!link) + return -1; + + /* test_{1,2}() would be called from bpf_dummy_reg() in bpf_testmod.c */ + ASSERT_EQ(skel->bss->test_1_result, 0xdeadbeef, "test_1_result"); + ASSERT_EQ(skel->bss->test_2_result, expected_test_2_result, "test_2_result"); + + bpf_link__destroy(link); + return 0; +} + static void test_struct_ops_load(void) { struct struct_ops_module *skel; struct bpf_map_info info = {}; - struct bpf_link *link; int err; u32 len; @@ -59,20 +77,17 @@ static void test_struct_ops_load(void) if (!ASSERT_OK(err, "bpf_map_get_info_by_fd")) goto cleanup; - link = bpf_map__attach_struct_ops(skel->maps.testmod_1); - ASSERT_OK_PTR(link, "attach_test_mod_1"); - + check_map_info(&info); /* test_3() will be called from bpf_dummy_reg() in bpf_testmod.c * * In bpf_testmod.c it will pass 4 and 13 (the value of data) to * .test_2. So, the value of test_2_result should be 20 (4 + 13 + * 3). */ - ASSERT_EQ(skel->bss->test_2_result, 20, "check_shadow_variables"); - - bpf_link__destroy(link); - - check_map_info(&info); + if (!attach_ops_and_check(skel, skel->maps.testmod_1, 20)) + goto cleanup; + if (!attach_ops_and_check(skel, skel->maps.testmod_2, 12)) + goto cleanup; cleanup: struct_ops_module__destroy(skel); |