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         __u32 duration, retval;
  10         int err, prog_fd;
  11
  12         prog_fd = bpf_program__fd(prog);
  13         err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
  14                                 NULL, NULL, &retval, &duration);
  15         if (CHECK(err || retval != 123, "test_run",
  16                   "err %d errno %d retval %d duration %d\n",
  17                   err, errno, retval, duration))
  18                 return -1;
  19         return 0;
  20 }
  21
  22 void test_test_skb_pkt_end(void)
  23 {
  24         struct skb_pkt_end *skb_pkt_end_skel = NULL;
  25         __u32 duration = 0;
  26         int err;
  27
  28         skb_pkt_end_skel = skb_pkt_end__open_and_load();
  29         if (CHECK(!skb_pkt_end_skel, "skb_pkt_end_skel_load", "skb_pkt_end skeleton failed\n"))
  30                 goto cleanup;
  31
  32         err = skb_pkt_end__attach(skb_pkt_end_skel);
  33         if (CHECK(err, "skb_pkt_end_attach", "skb_pkt_end attach failed: %d\n", err))
  34                 goto cleanup;
  35
  36         if (sanity_run(skb_pkt_end_skel->progs.main_prog))
  37                 goto cleanup;
  38
  39 cleanup:
  40         skb_pkt_end__destroy(skb_pkt_end_skel);
  41 }