]> Git Repo - J-linux.git/blob - tools/testing/selftests/bpf/prog_tests/hash_large_key.c
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / tools / testing / selftests / bpf / prog_tests / hash_large_key.c
1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <test_progs.h>
4 #include "test_hash_large_key.skel.h"
5
6 void test_hash_large_key(void)
7 {
8         int err, value = 21, duration = 0, hash_map_fd;
9         struct test_hash_large_key *skel;
10
11         struct bigelement {
12                 int a;
13                 char b[4096];
14                 long long c;
15         } key;
16         bzero(&key, sizeof(key));
17
18         skel = test_hash_large_key__open_and_load();
19         if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n"))
20                 return;
21
22         hash_map_fd = bpf_map__fd(skel->maps.hash_map);
23         if (CHECK(hash_map_fd < 0, "bpf_map__fd", "failed\n"))
24                 goto cleanup;
25
26         err = test_hash_large_key__attach(skel);
27         if (CHECK(err, "attach_raw_tp", "err %d\n", err))
28                 goto cleanup;
29
30         err = bpf_map_update_elem(hash_map_fd, &key, &value, BPF_ANY);
31         if (CHECK(err, "bpf_map_update_elem", "errno=%d\n", errno))
32                 goto cleanup;
33
34         key.c = 1;
35         err = bpf_map_lookup_elem(hash_map_fd, &key, &value);
36         if (CHECK(err, "bpf_map_lookup_elem", "errno=%d\n", errno))
37                 goto cleanup;
38
39         CHECK_FAIL(value != 42);
40
41 cleanup:
42         test_hash_large_key__destroy(skel);
43 }
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