1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2023 Isovalent */
3 #ifndef TC_HELPERS
4 #define TC_HELPERS
5 #include <test_progs.h>
6
id_from_prog_fd(int fd)7 static inline __u32 id_from_prog_fd(int fd)
8 {
9 struct bpf_prog_info prog_info = {};
10 __u32 prog_info_len = sizeof(prog_info);
11 int err;
12
13 err = bpf_obj_get_info_by_fd(fd, &prog_info, &prog_info_len);
14 if (!ASSERT_OK(err, "id_from_prog_fd"))
15 return 0;
16
17 ASSERT_NEQ(prog_info.id, 0, "prog_info.id");
18 return prog_info.id;
19 }
20
id_from_link_fd(int fd)21 static inline __u32 id_from_link_fd(int fd)
22 {
23 struct bpf_link_info link_info = {};
24 __u32 link_info_len = sizeof(link_info);
25 int err;
26
27 err = bpf_link_get_info_by_fd(fd, &link_info, &link_info_len);
28 if (!ASSERT_OK(err, "id_from_link_fd"))
29 return 0;
30
31 ASSERT_NEQ(link_info.id, 0, "link_info.id");
32 return link_info.id;
33 }
34
ifindex_from_link_fd(int fd)35 static inline __u32 ifindex_from_link_fd(int fd)
36 {
37 struct bpf_link_info link_info = {};
38 __u32 link_info_len = sizeof(link_info);
39 int err;
40
41 err = bpf_link_get_info_by_fd(fd, &link_info, &link_info_len);
42 if (!ASSERT_OK(err, "id_from_link_fd"))
43 return 0;
44
45 return link_info.tcx.ifindex;
46 }
47
__assert_mprog_count(int target,int expected,int ifindex)48 static inline void __assert_mprog_count(int target, int expected, int ifindex)
49 {
50 __u32 count = 0, attach_flags = 0;
51 int err;
52
53 err = bpf_prog_query(ifindex, target, 0, &attach_flags,
54 NULL, &count);
55 ASSERT_EQ(count, expected, "count");
56 ASSERT_EQ(err, 0, "prog_query");
57 }
58
assert_mprog_count(int target,int expected)59 static inline void assert_mprog_count(int target, int expected)
60 {
61 __assert_mprog_count(target, expected, loopback);
62 }
63
assert_mprog_count_ifindex(int ifindex,int target,int expected)64 static inline void assert_mprog_count_ifindex(int ifindex, int target, int expected)
65 {
66 __assert_mprog_count(target, expected, ifindex);
67 }
68
tc_skel_reset_all_seen(struct test_tc_link * skel)69 static inline void tc_skel_reset_all_seen(struct test_tc_link *skel)
70 {
71 memset(skel->bss, 0, sizeof(*skel->bss));
72 }
73
74 #endif /* TC_HELPERS */
75