diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c | 204 |
1 files changed, 73 insertions, 131 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c index 675b90b152..f09d6ac2ef 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c @@ -25,7 +25,7 @@ void serial_test_bpf_obj_id(void) */ __u32 map_ids[nr_iters + 1]; char jited_insns[128], xlated_insns[128], zeros[128], tp_name[128]; - __u32 i, next_id, info_len, nr_id_found, duration = 0; + __u32 i, next_id, info_len, nr_id_found; struct timespec real_time_ts, boot_time_ts; int err = 0; __u64 array_value; @@ -33,16 +33,16 @@ void serial_test_bpf_obj_id(void) time_t now, load_time; err = bpf_prog_get_fd_by_id(0); - CHECK(err >= 0 || errno != ENOENT, - "get-fd-by-notexist-prog-id", "err %d errno %d\n", err, errno); + ASSERT_LT(err, 0, "bpf_prog_get_fd_by_id"); + ASSERT_EQ(errno, ENOENT, "bpf_prog_get_fd_by_id"); err = bpf_map_get_fd_by_id(0); - CHECK(err >= 0 || errno != ENOENT, - "get-fd-by-notexist-map-id", "err %d errno %d\n", err, errno); + ASSERT_LT(err, 0, "bpf_map_get_fd_by_id"); + ASSERT_EQ(errno, ENOENT, "bpf_map_get_fd_by_id"); err = bpf_link_get_fd_by_id(0); - CHECK(err >= 0 || errno != ENOENT, - "get-fd-by-notexist-link-id", "err %d errno %d\n", err, errno); + ASSERT_LT(err, 0, "bpf_map_get_fd_by_id"); + ASSERT_EQ(errno, ENOENT, "bpf_map_get_fd_by_id"); /* Check bpf_map_get_info_by_fd() */ bzero(zeros, sizeof(zeros)); @@ -53,25 +53,26 @@ void serial_test_bpf_obj_id(void) /* test_obj_id.o is a dumb prog. It should never fail * to load. */ - if (CHECK_FAIL(err)) + if (!ASSERT_OK(err, "bpf_prog_test_load")) continue; /* Insert a magic value to the map */ map_fds[i] = bpf_find_map(__func__, objs[i], "test_map_id"); - if (CHECK_FAIL(map_fds[i] < 0)) + if (!ASSERT_GE(map_fds[i], 0, "bpf_find_map")) goto done; + err = bpf_map_update_elem(map_fds[i], &array_key, &array_magic_value, 0); - if (CHECK_FAIL(err)) + if (!ASSERT_OK(err, "bpf_map_update_elem")) goto done; - prog = bpf_object__find_program_by_name(objs[i], - "test_obj_id"); - if (CHECK_FAIL(!prog)) + prog = bpf_object__find_program_by_name(objs[i], "test_obj_id"); + if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name")) goto done; + links[i] = bpf_program__attach(prog); err = libbpf_get_error(links[i]); - if (CHECK(err, "prog_attach", "prog #%d, err %d\n", i, err)) { + if (!ASSERT_OK(err, "bpf_program__attach")) { links[i] = NULL; goto done; } @@ -81,24 +82,14 @@ void serial_test_bpf_obj_id(void) bzero(&map_infos[i], info_len); err = bpf_map_get_info_by_fd(map_fds[i], &map_infos[i], &info_len); - if (CHECK(err || - map_infos[i].type != BPF_MAP_TYPE_ARRAY || - map_infos[i].key_size != sizeof(__u32) || - map_infos[i].value_size != sizeof(__u64) || - map_infos[i].max_entries != 1 || - map_infos[i].map_flags != 0 || - info_len != sizeof(struct bpf_map_info) || - strcmp((char *)map_infos[i].name, expected_map_name), - "get-map-info(fd)", - "err %d errno %d type %d(%d) info_len %u(%zu) key_size %u value_size %u max_entries %u map_flags %X name %s(%s)\n", - err, errno, - map_infos[i].type, BPF_MAP_TYPE_ARRAY, - info_len, sizeof(struct bpf_map_info), - map_infos[i].key_size, - map_infos[i].value_size, - map_infos[i].max_entries, - map_infos[i].map_flags, - map_infos[i].name, expected_map_name)) + if (!ASSERT_OK(err, "bpf_map_get_info_by_fd") || + !ASSERT_EQ(map_infos[i].type, BPF_MAP_TYPE_ARRAY, "map_type") || + !ASSERT_EQ(map_infos[i].key_size, sizeof(__u32), "key_size") || + !ASSERT_EQ(map_infos[i].value_size, sizeof(__u64), "value_size") || + !ASSERT_EQ(map_infos[i].max_entries, 1, "max_entries") || + !ASSERT_EQ(map_infos[i].map_flags, 0, "map_flags") || + !ASSERT_EQ(info_len, sizeof(struct bpf_map_info), "map_info_len") || + !ASSERT_STREQ((char *)map_infos[i].name, expected_map_name, "map_name")) goto done; /* Check getting prog info */ @@ -112,48 +103,34 @@ void serial_test_bpf_obj_id(void) prog_infos[i].xlated_prog_len = sizeof(xlated_insns); prog_infos[i].map_ids = ptr_to_u64(map_ids + i); prog_infos[i].nr_map_ids = 2; + err = clock_gettime(CLOCK_REALTIME, &real_time_ts); - if (CHECK_FAIL(err)) + if (!ASSERT_OK(err, "clock_gettime")) goto done; + err = clock_gettime(CLOCK_BOOTTIME, &boot_time_ts); - if (CHECK_FAIL(err)) + if (!ASSERT_OK(err, "clock_gettime")) goto done; + err = bpf_prog_get_info_by_fd(prog_fds[i], &prog_infos[i], &info_len); load_time = (real_time_ts.tv_sec - boot_time_ts.tv_sec) + (prog_infos[i].load_time / nsec_per_sec); - if (CHECK(err || - prog_infos[i].type != BPF_PROG_TYPE_RAW_TRACEPOINT || - info_len != sizeof(struct bpf_prog_info) || - (env.jit_enabled && !prog_infos[i].jited_prog_len) || - (env.jit_enabled && - !memcmp(jited_insns, zeros, sizeof(zeros))) || - !prog_infos[i].xlated_prog_len || - !memcmp(xlated_insns, zeros, sizeof(zeros)) || - load_time < now - 60 || load_time > now + 60 || - prog_infos[i].created_by_uid != my_uid || - prog_infos[i].nr_map_ids != 1 || - *(int *)(long)prog_infos[i].map_ids != map_infos[i].id || - strcmp((char *)prog_infos[i].name, expected_prog_name), - "get-prog-info(fd)", - "err %d errno %d i %d type %d(%d) info_len %u(%zu) " - "jit_enabled %d jited_prog_len %u xlated_prog_len %u " - "jited_prog %d xlated_prog %d load_time %lu(%lu) " - "uid %u(%u) nr_map_ids %u(%u) map_id %u(%u) " - "name %s(%s)\n", - err, errno, i, - prog_infos[i].type, BPF_PROG_TYPE_SOCKET_FILTER, - info_len, sizeof(struct bpf_prog_info), - env.jit_enabled, - prog_infos[i].jited_prog_len, - prog_infos[i].xlated_prog_len, - !!memcmp(jited_insns, zeros, sizeof(zeros)), - !!memcmp(xlated_insns, zeros, sizeof(zeros)), - load_time, now, - prog_infos[i].created_by_uid, my_uid, - prog_infos[i].nr_map_ids, 1, - *(int *)(long)prog_infos[i].map_ids, map_infos[i].id, - prog_infos[i].name, expected_prog_name)) + + if (!ASSERT_OK(err, "bpf_prog_get_info_by_fd") || + !ASSERT_EQ(prog_infos[i].type, BPF_PROG_TYPE_RAW_TRACEPOINT, "prog_type") || + !ASSERT_EQ(info_len, sizeof(struct bpf_prog_info), "prog_info_len") || + !ASSERT_FALSE((env.jit_enabled && !prog_infos[i].jited_prog_len), "jited_prog_len") || + !ASSERT_FALSE((env.jit_enabled && !memcmp(jited_insns, zeros, sizeof(zeros))), + "jited_insns") || + !ASSERT_NEQ(prog_infos[i].xlated_prog_len, 0, "xlated_prog_len") || + !ASSERT_NEQ(memcmp(xlated_insns, zeros, sizeof(zeros)), 0, "xlated_insns") || + !ASSERT_GE(load_time, (now - 60), "load_time") || + !ASSERT_LE(load_time, (now + 60), "load_time") || + !ASSERT_EQ(prog_infos[i].created_by_uid, my_uid, "created_by_uid") || + !ASSERT_EQ(prog_infos[i].nr_map_ids, 1, "nr_map_ids") || + !ASSERT_EQ(*(int *)(long)prog_infos[i].map_ids, map_infos[i].id, "map_ids") || + !ASSERT_STREQ((char *)prog_infos[i].name, expected_prog_name, "prog_name")) goto done; /* Check getting link info */ @@ -163,25 +140,12 @@ void serial_test_bpf_obj_id(void) link_infos[i].raw_tracepoint.tp_name_len = sizeof(tp_name); err = bpf_link_get_info_by_fd(bpf_link__fd(links[i]), &link_infos[i], &info_len); - if (CHECK(err || - link_infos[i].type != BPF_LINK_TYPE_RAW_TRACEPOINT || - link_infos[i].prog_id != prog_infos[i].id || - link_infos[i].raw_tracepoint.tp_name != ptr_to_u64(&tp_name) || - strcmp(u64_to_ptr(link_infos[i].raw_tracepoint.tp_name), - "sys_enter") || - info_len != sizeof(struct bpf_link_info), - "get-link-info(fd)", - "err %d errno %d info_len %u(%zu) type %d(%d) id %d " - "prog_id %d (%d) tp_name %s(%s)\n", - err, errno, - info_len, sizeof(struct bpf_link_info), - link_infos[i].type, BPF_LINK_TYPE_RAW_TRACEPOINT, - link_infos[i].id, - link_infos[i].prog_id, prog_infos[i].id, - (const char *)u64_to_ptr(link_infos[i].raw_tracepoint.tp_name), - "sys_enter")) + if (!ASSERT_OK(err, "bpf_link_get_info_by_fd") || + !ASSERT_EQ(link_infos[i].type, BPF_LINK_TYPE_RAW_TRACEPOINT, "link_type") || + !ASSERT_EQ(link_infos[i].prog_id, prog_infos[i].id, "prog_id") || + !ASSERT_EQ(link_infos[i].raw_tracepoint.tp_name, ptr_to_u64(&tp_name), "&tp_name") || + !ASSERT_STREQ(u64_to_ptr(link_infos[i].raw_tracepoint.tp_name), "sys_enter", "tp_name")) goto done; - } /* Check bpf_prog_get_next_id() */ @@ -190,7 +154,7 @@ void serial_test_bpf_obj_id(void) while (!bpf_prog_get_next_id(next_id, &next_id)) { struct bpf_prog_info prog_info = {}; __u32 saved_map_id; - int prog_fd; + int prog_fd, cmp_res; info_len = sizeof(prog_info); @@ -198,9 +162,7 @@ void serial_test_bpf_obj_id(void) if (prog_fd < 0 && errno == ENOENT) /* The bpf_prog is in the dead row */ continue; - if (CHECK(prog_fd < 0, "get-prog-fd(next_id)", - "prog_fd %d next_id %d errno %d\n", - prog_fd, next_id, errno)) + if (!ASSERT_GE(prog_fd, 0, "bpf_prog_get_fd_by_id")) break; for (i = 0; i < nr_iters; i++) @@ -218,9 +180,8 @@ void serial_test_bpf_obj_id(void) */ prog_info.nr_map_ids = 1; err = bpf_prog_get_info_by_fd(prog_fd, &prog_info, &info_len); - if (CHECK(!err || errno != EFAULT, - "get-prog-fd-bad-nr-map-ids", "err %d errno %d(%d)", - err, errno, EFAULT)) + if (!ASSERT_ERR(err, "bpf_prog_get_info_by_fd") || + !ASSERT_EQ(errno, EFAULT, "bpf_prog_get_info_by_fd")) break; bzero(&prog_info, sizeof(prog_info)); info_len = sizeof(prog_info); @@ -231,27 +192,22 @@ void serial_test_bpf_obj_id(void) err = bpf_prog_get_info_by_fd(prog_fd, &prog_info, &info_len); prog_infos[i].jited_prog_insns = 0; prog_infos[i].xlated_prog_insns = 0; - CHECK(err || info_len != sizeof(struct bpf_prog_info) || - memcmp(&prog_info, &prog_infos[i], info_len) || - *(int *)(long)prog_info.map_ids != saved_map_id, - "get-prog-info(next_id->fd)", - "err %d errno %d info_len %u(%zu) memcmp %d map_id %u(%u)\n", - err, errno, info_len, sizeof(struct bpf_prog_info), - memcmp(&prog_info, &prog_infos[i], info_len), - *(int *)(long)prog_info.map_ids, saved_map_id); + cmp_res = memcmp(&prog_info, &prog_infos[i], info_len); + + ASSERT_OK(err, "bpf_prog_get_info_by_fd"); + ASSERT_EQ(info_len, sizeof(struct bpf_prog_info), "prog_info_len"); + ASSERT_OK(cmp_res, "memcmp"); + ASSERT_EQ(*(int *)(long)prog_info.map_ids, saved_map_id, "map_id"); close(prog_fd); } - CHECK(nr_id_found != nr_iters, - "check total prog id found by get_next_id", - "nr_id_found %u(%u)\n", - nr_id_found, nr_iters); + ASSERT_EQ(nr_id_found, nr_iters, "prog_nr_id_found"); /* Check bpf_map_get_next_id() */ nr_id_found = 0; next_id = 0; while (!bpf_map_get_next_id(next_id, &next_id)) { struct bpf_map_info map_info = {}; - int map_fd; + int map_fd, cmp_res; info_len = sizeof(map_info); @@ -259,9 +215,7 @@ void serial_test_bpf_obj_id(void) if (map_fd < 0 && errno == ENOENT) /* The bpf_map is in the dead row */ continue; - if (CHECK(map_fd < 0, "get-map-fd(next_id)", - "map_fd %d next_id %u errno %d\n", - map_fd, next_id, errno)) + if (!ASSERT_GE(map_fd, 0, "bpf_map_get_fd_by_id")) break; for (i = 0; i < nr_iters; i++) @@ -274,25 +228,19 @@ void serial_test_bpf_obj_id(void) nr_id_found++; err = bpf_map_lookup_elem(map_fd, &array_key, &array_value); - if (CHECK_FAIL(err)) + if (!ASSERT_OK(err, "bpf_map_lookup_elem")) goto done; err = bpf_map_get_info_by_fd(map_fd, &map_info, &info_len); - CHECK(err || info_len != sizeof(struct bpf_map_info) || - memcmp(&map_info, &map_infos[i], info_len) || - array_value != array_magic_value, - "check get-map-info(next_id->fd)", - "err %d errno %d info_len %u(%zu) memcmp %d array_value %llu(%llu)\n", - err, errno, info_len, sizeof(struct bpf_map_info), - memcmp(&map_info, &map_infos[i], info_len), - array_value, array_magic_value); + cmp_res = memcmp(&map_info, &map_infos[i], info_len); + ASSERT_OK(err, "bpf_map_get_info_by_fd"); + ASSERT_EQ(info_len, sizeof(struct bpf_map_info), "info_len"); + ASSERT_OK(cmp_res, "memcmp"); + ASSERT_EQ(array_value, array_magic_value, "array_value"); close(map_fd); } - CHECK(nr_id_found != nr_iters, - "check total map id found by get_next_id", - "nr_id_found %u(%u)\n", - nr_id_found, nr_iters); + ASSERT_EQ(nr_id_found, nr_iters, "map_nr_id_found"); /* Check bpf_link_get_next_id() */ nr_id_found = 0; @@ -308,9 +256,7 @@ void serial_test_bpf_obj_id(void) if (link_fd < 0 && errno == ENOENT) /* The bpf_link is in the dead row */ continue; - if (CHECK(link_fd < 0, "get-link-fd(next_id)", - "link_fd %d next_id %u errno %d\n", - link_fd, next_id, errno)) + if (!ASSERT_GE(link_fd, 0, "bpf_link_get_fd_by_id")) break; for (i = 0; i < nr_iters; i++) @@ -325,17 +271,13 @@ void serial_test_bpf_obj_id(void) err = bpf_link_get_info_by_fd(link_fd, &link_info, &info_len); cmp_res = memcmp(&link_info, &link_infos[i], offsetof(struct bpf_link_info, raw_tracepoint)); - CHECK(err || info_len != sizeof(link_info) || cmp_res, - "check get-link-info(next_id->fd)", - "err %d errno %d info_len %u(%zu) memcmp %d\n", - err, errno, info_len, sizeof(struct bpf_link_info), - cmp_res); + ASSERT_OK(err, "bpf_link_get_info_by_fd"); + ASSERT_EQ(info_len, sizeof(link_info), "info_len"); + ASSERT_OK(cmp_res, "memcmp"); close(link_fd); } - CHECK(nr_id_found != nr_iters, - "check total link id found by get_next_id", - "nr_id_found %u(%u)\n", nr_id_found, nr_iters); + ASSERT_EQ(nr_id_found, nr_iters, "link_nr_id_found"); done: for (i = 0; i < nr_iters; i++) { |