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.o";
   7         __u32 duration, retval, size;
   8         struct bpf_object *obj;
   9         char in[128], out[128];
  10         int err, prog_fd;
  11
  12         err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
  13         if (CHECK_FAIL(err))
  14                 return;
  15
  16         err = bpf_prog_test_run(prog_fd, 1000000, &in[0], 128,
  17                                 out, &size, &retval, &duration);
  18
  19         CHECK(err || retval != XDP_PASS || size != 128,
  20               "xdp-perf",
  21               "err %d errno %d retval %d size %d\n",
  22               err, errno, retval, size);
  23
  24         bpf_object__close(obj);
  25 }