diff options
| -rw-r--r-- | lib/test_bpf.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/test_bpf.c b/lib/test_bpf.c index f18b7b8e60ec..820098004481 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -4871,10 +4871,73 @@ static int run_one(const struct bpf_prog *fp, struct bpf_test *test) return err_cnt; } +static char test_name[64]; +module_param_string(test_name, test_name, sizeof(test_name), 0); + +static int test_id = -1; +module_param(test_id, int, 0); + +static int test_range[2] = { 0, ARRAY_SIZE(tests) - 1 }; +module_param_array(test_range, int, NULL, 0); + +static __init int find_test_index(const char *test_name) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(tests); i++) { + if (!strcmp(tests[i].descr, test_name)) + return i; + } + return -1; +} + static __init int prepare_bpf_tests(void) { int i; + if (test_id >= 0) { + /* + * if a test_id was specified, use test_range to + * cover only that test. + */ + if (test_id >= ARRAY_SIZE(tests)) { + pr_err("test_bpf: invalid test_id specified.\n"); + return -EINVAL; + } + + test_range[0] = test_id; + test_range[1] = test_id; + } else if (*test_name) { + /* + * if a test_name was specified, find it and setup + * test_range to cover only that test. + */ + int idx = find_test_index(test_name); + + if (idx < 0) { + pr_err("test_bpf: no test named '%s' found.\n", + test_name); + return -EINVAL; + } + test_range[0] = idx; + test_range[1] = idx; + } else { + /* + * check that the supplied test_range is valid. + */ + if (test_range[0] >= ARRAY_SIZE(tests) || + test_range[1] >= ARRAY_SIZE(tests) || + test_range[0] < 0 || test_range[1] < 0) { + pr_err("test_bpf: test_range is out of bound.\n"); + return -EINVAL; + } + + if (test_range[1] < test_range[0]) { + pr_err("test_bpf: test_range is ending before it starts.\n"); + return -EINVAL; + } + } + for (i = 0; i < ARRAY_SIZE(tests); i++) { if (tests[i].fill_helper && tests[i].fill_helper(&tests[i]) < 0) @@ -4894,6 +4957,11 @@ static __init void destroy_bpf_tests(void) } } +static bool exclude_test(int test_id) +{ + return test_id < test_range[0] || test_id > test_range[1]; +} + static __init int test_bpf(void) { int i, err_cnt = 0, pass_cnt = 0; @@ -4903,6 +4971,9 @@ static __init int test_bpf(void) struct bpf_prog *fp; int err; + if (exclude_test(i)) + continue; + pr_info("#%d %s ", i, tests[i].descr); fp = generate_filter(i, &err); |