LXR linux/tools/testing/selftests/bpf/prog_tests/hash_large

   1// SPDX-License-Identifier: GPL-2.0
   2
   3#include <test_progs.h>
   4#include "test_hash_large_key.skel.h"
   5
   6void 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
  41cleanup:
  42        test_hash_large_key__destroy(skel);
  43}
  44