root/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c

DEFINITIONS

1. test_pkt_md_access

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <test_progs.h>
   3 
   4 void test_pkt_md_access(void)
   5 {
   6         const char *file = "./test_pkt_md_access.o";
   7         struct bpf_object *obj;
   8         __u32 duration, retval;
   9         int err, prog_fd;
  10 
  11         err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
  12         if (CHECK_FAIL(err))
  13                 return;
  14 
  15         err = bpf_prog_test_run(prog_fd, 10, &pkt_v4, sizeof(pkt_v4),
  16                                 NULL, NULL, &retval, &duration);
  17         CHECK(err || retval, "",
  18               "err %d errno %d retval %d duration %d\n",
  19               err, errno, retval, duration);
  20 
  21         bpf_object__close(obj);
  22 }