Quelle  local_kptr_stash.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */

#include <test_progs.h>
#include <network_helpers.h>

#include "local_kptr_stash.skel.h"
#include "local_kptr_stash_fail.skel.h"
static void test_local_kptr_stash_simple(void)
{
 LIBBPF_OPTS(bpf_test_run_opts, opts,
      .data_in = &pkt_v4,
      .data_size_in = sizeof(pkt_v4),
      .repeat = 1,
 );
 struct local_kptr_stash *skel;
 int ret;

 skel = local_kptr_stash__open_and_load();
 if (!ASSERT_OK_PTR(skel, "local_kptr_stash__open_and_load"))
  return;

 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.stash_rb_nodes), &opts);
 ASSERT_OK(ret, "local_kptr_stash_add_nodes run");
 ASSERT_OK(opts.retval, "local_kptr_stash_add_nodes retval");

 local_kptr_stash__destroy(skel);
}

static void test_local_kptr_stash_plain(void)
{
 LIBBPF_OPTS(bpf_test_run_opts, opts,
      .data_in = &pkt_v4,
      .data_size_in = sizeof(pkt_v4),
      .repeat = 1,
 );
 struct local_kptr_stash *skel;
 int ret;

 skel = local_kptr_stash__open_and_load();
 if (!ASSERT_OK_PTR(skel, "local_kptr_stash__open_and_load"))
  return;

 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.stash_plain), &opts);
 ASSERT_OK(ret, "local_kptr_stash_add_plain run");
 ASSERT_OK(opts.retval, "local_kptr_stash_add_plain retval");

 local_kptr_stash__destroy(skel);
}

static void test_local_kptr_stash_local_with_root(void)
{
 LIBBPF_OPTS(bpf_test_run_opts, opts,
      .data_in = &pkt_v4,
      .data_size_in = sizeof(pkt_v4),
      .repeat = 1,
 );
 struct local_kptr_stash *skel;
 int ret;

 skel = local_kptr_stash__open_and_load();
 if (!ASSERT_OK_PTR(skel, "local_kptr_stash__open_and_load"))
  return;

 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.stash_local_with_root), &opts);
 ASSERT_OK(ret, "local_kptr_stash_add_local_with_root run");
 ASSERT_OK(opts.retval, "local_kptr_stash_add_local_with_root retval");

 local_kptr_stash__destroy(skel);
}

static void test_local_kptr_stash_unstash(void)
{
 LIBBPF_OPTS(bpf_test_run_opts, opts,
      .data_in = &pkt_v4,
      .data_size_in = sizeof(pkt_v4),
      .repeat = 1,
 );
 struct local_kptr_stash *skel;
 int ret;

 skel = local_kptr_stash__open_and_load();
 if (!ASSERT_OK_PTR(skel, "local_kptr_stash__open_and_load"))
  return;

 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.stash_rb_nodes), &opts);
 ASSERT_OK(ret, "local_kptr_stash_add_nodes run");
 ASSERT_OK(opts.retval, "local_kptr_stash_add_nodes retval");

 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.unstash_rb_node), &opts);
 ASSERT_OK(ret, "local_kptr_stash_add_nodes run");
 ASSERT_EQ(opts.retval, 42, "local_kptr_stash_add_nodes retval");

 local_kptr_stash__destroy(skel);
}

static void test_refcount_acquire_without_unstash(void)
{
 LIBBPF_OPTS(bpf_test_run_opts, opts,
      .data_in = &pkt_v4,
      .data_size_in = sizeof(pkt_v4),
      .repeat = 1,
 );
 struct local_kptr_stash *skel;
 int ret;

 skel = local_kptr_stash__open_and_load();
 if (!ASSERT_OK_PTR(skel, "local_kptr_stash__open_and_load"))
  return;

 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.refcount_acquire_without_unstash),
         &opts);
 ASSERT_OK(ret, "refcount_acquire_without_unstash run");
 ASSERT_EQ(opts.retval, 2, "refcount_acquire_without_unstash retval");

 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.stash_refcounted_node), &opts);
 ASSERT_OK(ret, "stash_refcounted_node run");
 ASSERT_OK(opts.retval, "stash_refcounted_node retval");

 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.refcount_acquire_without_unstash),
         &opts);
 ASSERT_OK(ret, "refcount_acquire_without_unstash (2) run");
 ASSERT_EQ(opts.retval, 42, "refcount_acquire_without_unstash (2) retval");

 local_kptr_stash__destroy(skel);
}

static void test_local_kptr_stash_fail(void)
{
 RUN_TESTS(local_kptr_stash_fail);
}

void test_local_kptr_stash(void)
{
 if (test__start_subtest("local_kptr_stash_simple"))
  test_local_kptr_stash_simple();
 if (test__start_subtest("local_kptr_stash_plain"))
  test_local_kptr_stash_plain();
 if (test__start_subtest("local_kptr_stash_local_with_root"))
  test_local_kptr_stash_local_with_root();
 if (test__start_subtest("local_kptr_stash_unstash"))
  test_local_kptr_stash_unstash();
 if (test__start_subtest("refcount_acquire_without_unstash"))
  test_refcount_acquire_without_unstash();
 if (test__start_subtest("local_kptr_stash_fail"))
  test_local_kptr_stash_fail();
}