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

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <test_progs.h>
   3 #include <network_helpers.h>
   4
   5 void test_pkt_md_access(void)
   6 {
   7         const char *file = "./test_pkt_md_access.o";
   8         struct bpf_object *obj;
   9         __u32 duration, retval;
  10         int err, prog_fd;
  11
  12         err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
  13         if (CHECK_FAIL(err))
  14                 return;
  15
  16         err = bpf_prog_test_run(prog_fd, 10, &pkt_v4, sizeof(pkt_v4),
  17                                 NULL, NULL, &retval, &duration);
  18         CHECK(err || retval, "",
  19               "err %d errno %d retval %d duration %d\n",
  20               err, errno, retval, duration);
  21
  22         bpf_object__close(obj);
  23 }