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

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <test_progs.h>
   3 #include <network_helpers.h>
   4
   5 void test_skb_helpers(void)
   6 {
   7         struct __sk_buff skb = {
   8                 .wire_len = 100,
   9                 .gso_segs = 8,
  10                 .gso_size = 10,
  11         };
  12         LIBBPF_OPTS(bpf_test_run_opts, topts,
  13                 .data_in = &pkt_v4,
  14                 .data_size_in = sizeof(pkt_v4),
  15                 .ctx_in = &skb,
  16                 .ctx_size_in = sizeof(skb),
  17                 .ctx_out = &skb,
  18                 .ctx_size_out = sizeof(skb),
  19         );
  20         struct bpf_object *obj;
  21         int err, prog_fd;
  22
  23         err = bpf_prog_test_load("./test_skb_helpers.bpf.o",
  24                                  BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
  25         if (!ASSERT_OK(err, "load"))
  26                 return;
  27         err = bpf_prog_test_run_opts(prog_fd, &topts);
  28         ASSERT_OK(err, "test_run");
  29         bpf_object__close(obj);
  30 }