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

   1 // SPDX-License-Identifier: GPL-2.0
   2
   3 #include <test_progs.h>
   4 #include "struct_ops_private_stack.skel.h"
   5 #include "struct_ops_private_stack_fail.skel.h"
   6 #include "struct_ops_private_stack_recur.skel.h"
   7
   8 static void test_private_stack(void)
   9 {
  10         struct struct_ops_private_stack *skel;
  11         struct bpf_link *link;
  12         int err;
  13
  14         skel = struct_ops_private_stack__open();
  15         if (!ASSERT_OK_PTR(skel, "struct_ops_private_stack__open"))
  16                 return;
  17
  18         if (skel->data->skip) {
  19                 test__skip();
  20                 goto cleanup;
  21         }
  22
  23         err = struct_ops_private_stack__load(skel);
  24         if (!ASSERT_OK(err, "struct_ops_private_stack__load"))
  25                 goto cleanup;
  26
  27         link = bpf_map__attach_struct_ops(skel->maps.testmod_1);
  28         if (!ASSERT_OK_PTR(link, "attach_struct_ops"))
  29                 goto cleanup;
  30
  31         ASSERT_OK(trigger_module_test_read(256), "trigger_read");
  32
  33         ASSERT_EQ(skel->bss->val_i, 3, "val_i");
  34         ASSERT_EQ(skel->bss->val_j, 8, "val_j");
  35
  36         bpf_link__destroy(link);
  37
  38 cleanup:
  39         struct_ops_private_stack__destroy(skel);
  40 }
  41
  42 static void test_private_stack_fail(void)
  43 {
  44         struct struct_ops_private_stack_fail *skel;
  45         int err;
  46
  47         skel = struct_ops_private_stack_fail__open();
  48         if (!ASSERT_OK_PTR(skel, "struct_ops_private_stack_fail__open"))
  49                 return;
  50
  51         if (skel->data->skip) {
  52                 test__skip();
  53                 goto cleanup;
  54         }
  55
  56         err = struct_ops_private_stack_fail__load(skel);
  57         if (!ASSERT_ERR(err, "struct_ops_private_stack_fail__load"))
  58                 goto cleanup;
  59         return;
  60
  61 cleanup:
  62         struct_ops_private_stack_fail__destroy(skel);
  63 }
  64
  65 static void test_private_stack_recur(void)
  66 {
  67         struct struct_ops_private_stack_recur *skel;
  68         struct bpf_link *link;
  69         int err;
  70
  71         skel = struct_ops_private_stack_recur__open();
  72         if (!ASSERT_OK_PTR(skel, "struct_ops_private_stack_recur__open"))
  73                 return;
  74
  75         if (skel->data->skip) {
  76                 test__skip();
  77                 goto cleanup;
  78         }
  79
  80         err = struct_ops_private_stack_recur__load(skel);
  81         if (!ASSERT_OK(err, "struct_ops_private_stack_recur__load"))
  82                 goto cleanup;
  83
  84         link = bpf_map__attach_struct_ops(skel->maps.testmod_1);
  85         if (!ASSERT_OK_PTR(link, "attach_struct_ops"))
  86                 goto cleanup;
  87
  88         ASSERT_OK(trigger_module_test_read(256), "trigger_read");
  89
  90         ASSERT_EQ(skel->bss->val_j, 3, "val_j");
  91
  92         bpf_link__destroy(link);
  93
  94 cleanup:
  95         struct_ops_private_stack_recur__destroy(skel);
  96 }
  97
  98 void test_struct_ops_private_stack(void)
  99 {
 100         if (test__start_subtest("private_stack"))
 101                 test_private_stack();
 102         if (test__start_subtest("private_stack_fail"))
 103                 test_private_stack_fail();
 104         if (test__start_subtest("private_stack_recur"))
 105                 test_private_stack_recur();
 106 }