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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (c) 2020 Facebook */
   3 #include <test_progs.h>
   4 #include <network_helpers.h>
   5 #include "skb_pkt_end.skel.h"
   6
   7 static int sanity_run(struct bpf_program *prog)
   8 {
   9         int err, prog_fd;
  10         LIBBPF_OPTS(bpf_test_run_opts, topts,
  11                 .data_in = &pkt_v4,
  12                 .data_size_in = sizeof(pkt_v4),
  13                 .repeat = 1,
  14                 .flags = BPF_F_TEST_SKB_CHECKSUM_COMPLETE,
  15         );
  16
  17         prog_fd = bpf_program__fd(prog);
  18         err = bpf_prog_test_run_opts(prog_fd, &topts);
  19         if (!ASSERT_OK(err, "test_run"))
  20                 return -1;
  21         if (!ASSERT_EQ(topts.retval, 123, "test_run retval"))
  22                 return -1;
  23         return 0;
  24 }
  25
  26 void test_test_skb_pkt_end(void)
  27 {
  28         struct skb_pkt_end *skb_pkt_end_skel = NULL;
  29         __u32 duration = 0;
  30         int err;
  31
  32         skb_pkt_end_skel = skb_pkt_end__open_and_load();
  33         if (CHECK(!skb_pkt_end_skel, "skb_pkt_end_skel_load", "skb_pkt_end skeleton failed\n"))
  34                 goto cleanup;
  35
  36         err = skb_pkt_end__attach(skb_pkt_end_skel);
  37         if (CHECK(err, "skb_pkt_end_attach", "skb_pkt_end attach failed: %d\n", err))
  38                 goto cleanup;
  39
  40         if (sanity_run(skb_pkt_end_skel->progs.main_prog))
  41                 goto cleanup;
  42
  43 cleanup:
  44         skb_pkt_end__destroy(skb_pkt_end_skel);
  45 }