1886225bbSStanislav Fomichev // SPDX-License-Identifier: GPL-2.0
2886225bbSStanislav Fomichev #include <test_progs.h>
3886225bbSStanislav Fomichev
test_obj_name(void)4886225bbSStanislav Fomichev void test_obj_name(void)
5886225bbSStanislav Fomichev {
6886225bbSStanislav Fomichev struct {
7886225bbSStanislav Fomichev const char *name;
8886225bbSStanislav Fomichev int success;
9886225bbSStanislav Fomichev int expected_errno;
10886225bbSStanislav Fomichev } tests[] = {
11886225bbSStanislav Fomichev { "", 1, 0 },
12886225bbSStanislav Fomichev { "_123456789ABCDE", 1, 0 },
13886225bbSStanislav Fomichev { "_123456789ABCDEF", 0, EINVAL },
14886225bbSStanislav Fomichev { "_123456789ABCD\n", 0, EINVAL },
15886225bbSStanislav Fomichev };
16886225bbSStanislav Fomichev struct bpf_insn prog[] = {
17886225bbSStanislav Fomichev BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
18886225bbSStanislav Fomichev BPF_EXIT_INSN(),
19886225bbSStanislav Fomichev };
20886225bbSStanislav Fomichev __u32 duration = 0;
21886225bbSStanislav Fomichev int i;
22886225bbSStanislav Fomichev
23*f98d6dd1SGuo Zhengkui for (i = 0; i < ARRAY_SIZE(tests); i++) {
24886225bbSStanislav Fomichev size_t name_len = strlen(tests[i].name) + 1;
25886225bbSStanislav Fomichev union bpf_attr attr;
26886225bbSStanislav Fomichev size_t ncopy;
27886225bbSStanislav Fomichev int fd;
28886225bbSStanislav Fomichev
29886225bbSStanislav Fomichev /* test different attr.prog_name during BPF_PROG_LOAD */
30886225bbSStanislav Fomichev ncopy = name_len < sizeof(attr.prog_name) ?
31886225bbSStanislav Fomichev name_len : sizeof(attr.prog_name);
32886225bbSStanislav Fomichev bzero(&attr, sizeof(attr));
33886225bbSStanislav Fomichev attr.prog_type = BPF_PROG_TYPE_SCHED_CLS;
34886225bbSStanislav Fomichev attr.insn_cnt = 2;
35886225bbSStanislav Fomichev attr.insns = ptr_to_u64(prog);
36886225bbSStanislav Fomichev attr.license = ptr_to_u64("");
37886225bbSStanislav Fomichev memcpy(attr.prog_name, tests[i].name, ncopy);
38886225bbSStanislav Fomichev
39886225bbSStanislav Fomichev fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
40886225bbSStanislav Fomichev CHECK((tests[i].success && fd < 0) ||
41bad2e478SAndrii Nakryiko (!tests[i].success && fd >= 0) ||
42886225bbSStanislav Fomichev (!tests[i].success && errno != tests[i].expected_errno),
43886225bbSStanislav Fomichev "check-bpf-prog-name",
44886225bbSStanislav Fomichev "fd %d(%d) errno %d(%d)\n",
45886225bbSStanislav Fomichev fd, tests[i].success, errno, tests[i].expected_errno);
46886225bbSStanislav Fomichev
47bad2e478SAndrii Nakryiko if (fd >= 0)
48886225bbSStanislav Fomichev close(fd);
49886225bbSStanislav Fomichev
50886225bbSStanislav Fomichev /* test different attr.map_name during BPF_MAP_CREATE */
51886225bbSStanislav Fomichev ncopy = name_len < sizeof(attr.map_name) ?
52886225bbSStanislav Fomichev name_len : sizeof(attr.map_name);
53886225bbSStanislav Fomichev bzero(&attr, sizeof(attr));
54886225bbSStanislav Fomichev attr.map_type = BPF_MAP_TYPE_ARRAY;
55886225bbSStanislav Fomichev attr.key_size = 4;
56886225bbSStanislav Fomichev attr.value_size = 4;
57886225bbSStanislav Fomichev attr.max_entries = 1;
58886225bbSStanislav Fomichev attr.map_flags = 0;
59886225bbSStanislav Fomichev memcpy(attr.map_name, tests[i].name, ncopy);
60886225bbSStanislav Fomichev fd = syscall(__NR_bpf, BPF_MAP_CREATE, &attr, sizeof(attr));
61886225bbSStanislav Fomichev CHECK((tests[i].success && fd < 0) ||
62bad2e478SAndrii Nakryiko (!tests[i].success && fd >= 0) ||
63886225bbSStanislav Fomichev (!tests[i].success && errno != tests[i].expected_errno),
64886225bbSStanislav Fomichev "check-bpf-map-name",
65886225bbSStanislav Fomichev "fd %d(%d) errno %d(%d)\n",
66886225bbSStanislav Fomichev fd, tests[i].success, errno, tests[i].expected_errno);
67886225bbSStanislav Fomichev
68bad2e478SAndrii Nakryiko if (fd >= 0)
69886225bbSStanislav Fomichev close(fd);
70886225bbSStanislav Fomichev }
71886225bbSStanislav Fomichev }
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