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

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <test_progs.h>
   3 #include "get_func_args_test.skel.h"
   4
   5 void test_get_func_args_test(void)
   6 {
   7         struct get_func_args_test *skel = NULL;
   8         __u32 duration = 0, retval;
   9         int err, prog_fd;
  10
  11         skel = get_func_args_test__open_and_load();
  12         if (!ASSERT_OK_PTR(skel, "get_func_args_test__open_and_load"))
  13                 return;
  14
  15         err = get_func_args_test__attach(skel);
  16         if (!ASSERT_OK(err, "get_func_args_test__attach"))
  17                 goto cleanup;
  18
  19         /* This runs bpf_fentry_test* functions and triggers
  20          * fentry/fexit programs.
  21          */
  22         prog_fd = bpf_program__fd(skel->progs.test1);
  23         err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
  24                                 NULL, NULL, &retval, &duration);
  25         ASSERT_OK(err, "test_run");
  26         ASSERT_EQ(retval, 0, "test_run");
  27
  28         /* This runs bpf_modify_return_test function and triggers
  29          * fmod_ret_test and fexit_test programs.
  30          */
  31         prog_fd = bpf_program__fd(skel->progs.fmod_ret_test);
  32         err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
  33                                 NULL, NULL, &retval, &duration);
  34         ASSERT_OK(err, "test_run");
  35         ASSERT_EQ(retval, 1234, "test_run");
  36
  37         ASSERT_EQ(skel->bss->test1_result, 1, "test1_result");
  38         ASSERT_EQ(skel->bss->test2_result, 1, "test2_result");
  39         ASSERT_EQ(skel->bss->test3_result, 1, "test3_result");
  40         ASSERT_EQ(skel->bss->test4_result, 1, "test4_result");
  41
  42 cleanup:
  43         get_func_args_test__destroy(skel);
  44 }