kernel/tools/testing/selftests/bpf/prog_tests/hash_large_key.c
2024-07-22 17:22:30 +08:00

44 lines
1.0 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include "test_hash_large_key.skel.h"
void test_hash_large_key(void)
{
int err, value = 21, duration = 0, hash_map_fd;
struct test_hash_large_key *skel;
struct bigelement {
int a;
char b[4096];
long long c;
} key;
bzero(&key, sizeof(key));
skel = test_hash_large_key__open_and_load();
if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n"))
return;
hash_map_fd = bpf_map__fd(skel->maps.hash_map);
if (CHECK(hash_map_fd < 0, "bpf_map__fd", "failed\n"))
goto cleanup;
err = test_hash_large_key__attach(skel);
if (CHECK(err, "attach_raw_tp", "err %d\n", err))
goto cleanup;
err = bpf_map_update_elem(hash_map_fd, &key, &value, BPF_ANY);
if (CHECK(err, "bpf_map_update_elem", "errno=%d\n", errno))
goto cleanup;
key.c = 1;
err = bpf_map_lookup_elem(hash_map_fd, &key, &value);
if (CHECK(err, "bpf_map_lookup_elem", "errno=%d\n", errno))
goto cleanup;
CHECK_FAIL(value != 42);
cleanup:
test_hash_large_key__destroy(skel);
}