diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/tc_opts.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/tc_opts.c | 137 |
1 files changed, 131 insertions, 6 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_opts.c b/tools/testing/selftests/bpf/prog_tests/tc_opts.c index ca506d2fc..196abf223 100644 --- a/tools/testing/selftests/bpf/prog_tests/tc_opts.c +++ b/tools/testing/selftests/bpf/prog_tests/tc_opts.c @@ -2387,12 +2387,9 @@ static int generate_dummy_prog(void) const size_t prog_insn_cnt = sizeof(prog_insns) / sizeof(struct bpf_insn); LIBBPF_OPTS(bpf_prog_load_opts, opts); const size_t log_buf_sz = 256; - char *log_buf; + char log_buf[log_buf_sz]; int fd = -1; - log_buf = malloc(log_buf_sz); - if (!ASSERT_OK_PTR(log_buf, "log_buf_alloc")) - return fd; opts.log_buf = log_buf; opts.log_size = log_buf_sz; @@ -2402,7 +2399,6 @@ static int generate_dummy_prog(void) prog_insns, prog_insn_cnt, &opts); ASSERT_STREQ(log_buf, "", "log_0"); ASSERT_GE(fd, 0, "prog_fd"); - free(log_buf); return fd; } @@ -2471,7 +2467,7 @@ static void test_tc_opts_query_target(int target) __u32 fd1, fd2, fd3, fd4, id1, id2, id3, id4; struct test_tc_link *skel; union bpf_attr attr; - __u32 prog_ids[5]; + __u32 prog_ids[10]; int err; skel = test_tc_link__open_and_load(); @@ -2599,6 +2595,135 @@ static void test_tc_opts_query_target(int target) ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); + /* Test 3: Query with smaller prog_ids array */ + memset(&attr, 0, attr_size); + attr.query.target_ifindex = loopback; + attr.query.attach_type = target; + + memset(prog_ids, 0, sizeof(prog_ids)); + attr.query.prog_ids = ptr_to_u64(prog_ids); + attr.query.count = 2; + + err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); + ASSERT_EQ(err, -1, "prog_query_should_fail"); + ASSERT_EQ(errno, ENOSPC, "prog_query_should_fail"); + + ASSERT_EQ(attr.query.count, 4, "count"); + ASSERT_EQ(attr.query.revision, 5, "revision"); + ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); + ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); + ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); + ASSERT_EQ(attr.query.attach_type, target, "attach_type"); + ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids"); + ASSERT_EQ(prog_ids[0], id1, "prog_ids[0]"); + ASSERT_EQ(prog_ids[1], id2, "prog_ids[1]"); + ASSERT_EQ(prog_ids[2], 0, "prog_ids[2]"); + ASSERT_EQ(prog_ids[3], 0, "prog_ids[3]"); + ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]"); + ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); + ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); + ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); + + /* Test 4: Query with larger prog_ids array */ + memset(&attr, 0, attr_size); + attr.query.target_ifindex = loopback; + attr.query.attach_type = target; + + memset(prog_ids, 0, sizeof(prog_ids)); + attr.query.prog_ids = ptr_to_u64(prog_ids); + attr.query.count = 10; + + err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); + if (!ASSERT_OK(err, "prog_query")) + goto cleanup4; + + ASSERT_EQ(attr.query.count, 4, "count"); + ASSERT_EQ(attr.query.revision, 5, "revision"); + ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); + ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); + ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); + ASSERT_EQ(attr.query.attach_type, target, "attach_type"); + ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids"); + ASSERT_EQ(prog_ids[0], id1, "prog_ids[0]"); + ASSERT_EQ(prog_ids[1], id2, "prog_ids[1]"); + ASSERT_EQ(prog_ids[2], id3, "prog_ids[2]"); + ASSERT_EQ(prog_ids[3], id4, "prog_ids[3]"); + ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]"); + ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); + ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); + ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); + + /* Test 5: Query with NULL prog_ids array but with count > 0 */ + memset(&attr, 0, attr_size); + attr.query.target_ifindex = loopback; + attr.query.attach_type = target; + + memset(prog_ids, 0, sizeof(prog_ids)); + attr.query.count = sizeof(prog_ids); + + err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); + if (!ASSERT_OK(err, "prog_query")) + goto cleanup4; + + ASSERT_EQ(attr.query.count, 4, "count"); + ASSERT_EQ(attr.query.revision, 5, "revision"); + ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); + ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); + ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); + ASSERT_EQ(attr.query.attach_type, target, "attach_type"); + ASSERT_EQ(prog_ids[0], 0, "prog_ids[0]"); + ASSERT_EQ(prog_ids[1], 0, "prog_ids[1]"); + ASSERT_EQ(prog_ids[2], 0, "prog_ids[2]"); + ASSERT_EQ(prog_ids[3], 0, "prog_ids[3]"); + ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]"); + ASSERT_EQ(attr.query.prog_ids, 0, "prog_ids"); + ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); + ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); + ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); + + /* Test 6: Query with non-NULL prog_ids array but with count == 0 */ + memset(&attr, 0, attr_size); + attr.query.target_ifindex = loopback; + attr.query.attach_type = target; + + memset(prog_ids, 0, sizeof(prog_ids)); + attr.query.prog_ids = ptr_to_u64(prog_ids); + + err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); + if (!ASSERT_OK(err, "prog_query")) + goto cleanup4; + + ASSERT_EQ(attr.query.count, 4, "count"); + ASSERT_EQ(attr.query.revision, 5, "revision"); + ASSERT_EQ(attr.query.query_flags, 0, "query_flags"); + ASSERT_EQ(attr.query.attach_flags, 0, "attach_flags"); + ASSERT_EQ(attr.query.target_ifindex, loopback, "target_ifindex"); + ASSERT_EQ(attr.query.attach_type, target, "attach_type"); + ASSERT_EQ(prog_ids[0], 0, "prog_ids[0]"); + ASSERT_EQ(prog_ids[1], 0, "prog_ids[1]"); + ASSERT_EQ(prog_ids[2], 0, "prog_ids[2]"); + ASSERT_EQ(prog_ids[3], 0, "prog_ids[3]"); + ASSERT_EQ(prog_ids[4], 0, "prog_ids[4]"); + ASSERT_EQ(attr.query.prog_ids, ptr_to_u64(prog_ids), "prog_ids"); + ASSERT_EQ(attr.query.prog_attach_flags, 0, "prog_attach_flags"); + ASSERT_EQ(attr.query.link_ids, 0, "link_ids"); + ASSERT_EQ(attr.query.link_attach_flags, 0, "link_attach_flags"); + + /* Test 7: Query with invalid flags */ + attr.query.attach_flags = 0; + attr.query.query_flags = 1; + + err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); + ASSERT_EQ(err, -1, "prog_query_should_fail"); + ASSERT_EQ(errno, EINVAL, "prog_query_should_fail"); + + attr.query.attach_flags = 1; + attr.query.query_flags = 0; + + err = syscall(__NR_bpf, BPF_PROG_QUERY, &attr, attr_size); + ASSERT_EQ(err, -1, "prog_query_should_fail"); + ASSERT_EQ(errno, EINVAL, "prog_query_should_fail"); + cleanup4: err = bpf_prog_detach_opts(fd4, loopback, target, &optd); ASSERT_OK(err, "prog_detach"); |