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

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <test_progs.h>
   3 #include <testing_helpers.h>
   4
   5 #include "kfunc_module_order.skel.h"
   6
   7 static int test_run_prog(const struct bpf_program *prog,
   8                          struct bpf_test_run_opts *opts)
   9 {
  10         int err;
  11
  12         err = bpf_prog_test_run_opts(bpf_program__fd(prog), opts);
  13         if (!ASSERT_OK(err, "bpf_prog_test_run_opts"))
  14                 return err;
  15
  16         if (!ASSERT_EQ((int)opts->retval, 0, bpf_program__name(prog)))
  17                 return -EINVAL;
  18
  19         return 0;
  20 }
  21
  22 void test_kfunc_module_order(void)
  23 {
  24         struct kfunc_module_order *skel;
  25         char pkt_data[64] = {};
  26         int err = 0;
  27
  28         DECLARE_LIBBPF_OPTS(bpf_test_run_opts, test_opts, .data_in = pkt_data,
  29                             .data_size_in = sizeof(pkt_data));
  30
  31         err = load_module("bpf_test_modorder_x.ko",
  32                           env_verbosity > VERBOSE_NONE);
  33         if (!ASSERT_OK(err, "load bpf_test_modorder_x.ko"))
  34                 return;
  35
  36         err = load_module("bpf_test_modorder_y.ko",
  37                           env_verbosity > VERBOSE_NONE);
  38         if (!ASSERT_OK(err, "load bpf_test_modorder_y.ko"))
  39                 goto exit_modx;
  40
  41         skel = kfunc_module_order__open_and_load();
  42         if (!ASSERT_OK_PTR(skel, "kfunc_module_order__open_and_load()")) {
  43                 err = -EINVAL;
  44                 goto exit_mods;
  45         }
  46
  47         test_run_prog(skel->progs.call_kfunc_xy, &test_opts);
  48         test_run_prog(skel->progs.call_kfunc_yx, &test_opts);
  49
  50         kfunc_module_order__destroy(skel);
  51 exit_mods:
  52         unload_module("bpf_test_modorder_y", env_verbosity > VERBOSE_NONE);
  53 exit_modx:
  54         unload_module("bpf_test_modorder_x", env_verbosity > VERBOSE_NONE);
  55 }