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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (c) 2019 Facebook */
   3 #include <test_progs.h>
   4 #include "fentry_test.skel.h"
   5 #include "fexit_test.skel.h"
   6
   7 void test_fentry_fexit(void)
   8 {
   9         struct fentry_test *fentry_skel = NULL;
  10         struct fexit_test *fexit_skel = NULL;
  11         __u64 *fentry_res, *fexit_res;
  12         __u32 duration = 0, retval;
  13         int err, prog_fd, i;
  14
  15         fentry_skel = fentry_test__open_and_load();
  16         if (CHECK(!fentry_skel, "fentry_skel_load", "fentry skeleton failed\n"))
  17                 goto close_prog;
  18         fexit_skel = fexit_test__open_and_load();
  19         if (CHECK(!fexit_skel, "fexit_skel_load", "fexit skeleton failed\n"))
  20                 goto close_prog;
  21
  22         err = fentry_test__attach(fentry_skel);
  23         if (CHECK(err, "fentry_attach", "fentry attach failed: %d\n", err))
  24                 goto close_prog;
  25         err = fexit_test__attach(fexit_skel);
  26         if (CHECK(err, "fexit_attach", "fexit attach failed: %d\n", err))
  27                 goto close_prog;
  28
  29         prog_fd = bpf_program__fd(fexit_skel->progs.test1);
  30         err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
  31                                 NULL, NULL, &retval, &duration);
  32         CHECK(err || retval, "ipv6",
  33               "err %d errno %d retval %d duration %d\n",
  34               err, errno, retval, duration);
  35
  36         fentry_res = (__u64 *)fentry_skel->bss;
  37         fexit_res = (__u64 *)fexit_skel->bss;
  38         printf("%lld\n", fentry_skel->bss->test1_result);
  39         for (i = 0; i < 8; i++) {
  40                 CHECK(fentry_res[i] != 1, "result",
  41                       "fentry_test%d failed err %lld\n", i + 1, fentry_res[i]);
  42                 CHECK(fexit_res[i] != 1, "result",
  43                       "fexit_test%d failed err %lld\n", i + 1, fexit_res[i]);
  44         }
  45
  46 close_prog:
  47         fentry_test__destroy(fentry_skel);
  48         fexit_test__destroy(fexit_skel);
  49 }