1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2022 Facebook */
3
4 #include <test_progs.h>
5 #include <network_helpers.h>
6 #include "dynptr_fail.skel.h"
7 #include "dynptr_success.skel.h"
8
9 enum test_setup_type {
10 SETUP_SYSCALL_SLEEP,
11 SETUP_SKB_PROG,
12 };
13
14 static struct {
15 const char *prog_name;
16 enum test_setup_type type;
17 } success_tests[] = {
18 {"test_read_write", SETUP_SYSCALL_SLEEP},
19 {"test_dynptr_data", SETUP_SYSCALL_SLEEP},
20 {"test_ringbuf", SETUP_SYSCALL_SLEEP},
21 {"test_skb_readonly", SETUP_SKB_PROG},
22 {"test_dynptr_skb_data", SETUP_SKB_PROG},
23 {"test_adjust", SETUP_SYSCALL_SLEEP},
24 {"test_adjust_err", SETUP_SYSCALL_SLEEP},
25 {"test_zero_size_dynptr", SETUP_SYSCALL_SLEEP},
26 {"test_dynptr_is_null", SETUP_SYSCALL_SLEEP},
27 {"test_dynptr_is_rdonly", SETUP_SKB_PROG},
28 {"test_dynptr_clone", SETUP_SKB_PROG},
29 {"test_dynptr_skb_no_buff", SETUP_SKB_PROG},
30 {"test_dynptr_skb_strcmp", SETUP_SKB_PROG},
31 };
32
33 static void verify_success(const char *prog_name, enum test_setup_type setup_type)
34 {
35 struct dynptr_success *skel;
36 struct bpf_program *prog;
37 struct bpf_link *link;
38 int err;
39
40 skel = dynptr_success__open();
41 if (!ASSERT_OK_PTR(skel, "dynptr_success__open"))
42 return;
43
44 skel->bss->pid = getpid();
45
46 prog = bpf_object__find_program_by_name(skel->obj, prog_name);
47 if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
48 goto cleanup;
49
50 bpf_program__set_autoload(prog, true);
51
52 err = dynptr_success__load(skel);
53 if (!ASSERT_OK(err, "dynptr_success__load"))
54 goto cleanup;
55
56 switch (setup_type) {
57 case SETUP_SYSCALL_SLEEP:
58 link = bpf_program__attach(prog);
59 if (!ASSERT_OK_PTR(link, "bpf_program__attach"))
60 goto cleanup;
61
62 usleep(1);
63
64 bpf_link__destroy(link);
65 break;
66 case SETUP_SKB_PROG:
67 {
68 int prog_fd;
69 char buf[64];
70
71 LIBBPF_OPTS(bpf_test_run_opts, topts,
72 .data_in = &pkt_v4,
73 .data_size_in = sizeof(pkt_v4),
74 .data_out = buf,
75 .data_size_out = sizeof(buf),
76 .repeat = 1,
77 );
78
79 prog_fd = bpf_program__fd(prog);
80 if (!ASSERT_GE(prog_fd, 0, "prog_fd"))
81 goto cleanup;
82
83 err = bpf_prog_test_run_opts(prog_fd, &topts);
84
85 if (!ASSERT_OK(err, "test_run"))
86 goto cleanup;
87
88 break;
89 }
90 }
91
92 ASSERT_EQ(skel->bss->err, 0, "err");
93
94 cleanup:
95 dynptr_success__destroy(skel);
96 }
97
98 void test_dynptr(void)
99 {
100 int i;
101
102 for (i = 0; i < ARRAY_SIZE(success_tests); i++) {
103 if (!test__start_subtest(success_tests[i].prog_name))
104 continue;
105
106 verify_success(success_tests[i].prog_name, success_tests[i].type);
107 }
108
109 RUN_TESTS(dynptr_fail);
110 }
111
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