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

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <test_progs.h>
   3
   4 void test_xdp_perf(void)
   5 {
   6         const char *file = "./xdp_dummy.bpf.o";
   7         struct bpf_object *obj;
   8         char in[128], out[128];
   9         int err, prog_fd;
  10         LIBBPF_OPTS(bpf_test_run_opts, topts,
  11                 .data_in = in,
  12                 .data_size_in = sizeof(in),
  13                 .data_out = out,
  14                 .data_size_out = sizeof(out),
  15                 .repeat = 1000000,
  16         );
  17
  18         err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
  19         if (CHECK_FAIL(err))
  20                 return;
  21
  22         err = bpf_prog_test_run_opts(prog_fd, &topts);
  23         ASSERT_OK(err, "test_run");
  24         ASSERT_EQ(topts.retval, XDP_PASS, "test_run retval");
  25         ASSERT_EQ(topts.data_size_out, 128, "test_run data_size_out");
  26
  27         bpf_object__close(obj);
  28 }