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// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include "struct_ops_multi_args.skel.h"
static void test_refcounted_multi(void)
{
struct struct_ops_multi_args *skel;
char log_buf[4096] = {};
int err;
skel = struct_ops_multi_args__open();
if (!ASSERT_OK_PTR(skel, "struct_ops_multi_args__open"))
return;
bpf_program__set_log_buf(skel->progs.test_refcounted_multi, log_buf, sizeof(log_buf));
err = struct_ops_multi_args__load(skel);
if (!ASSERT_EQ(err, -EINVAL, "struct_ops_multi_args__load"))
goto out;
ASSERT_HAS_SUBSTR(log_buf, "program with __ref argument cannot tail call",
"check_verifier_log_message");
out:
struct_ops_multi_args__destroy(skel);
}
static void test_trampoline_stack_args(void)
{
struct struct_ops_multi_args *skel;
struct bpf_link *link = NULL;
int err;
skel = struct_ops_multi_args__open();
if (!ASSERT_OK_PTR(skel, "struct_ops_multi_args__open"))
return;
bpf_program__set_autoload(skel->progs.test_refcounted_multi, false);
skel->struct_ops.testmod_ref_acquire->test_refcounted_multi = NULL;
err = struct_ops_multi_args__load(skel);
if (!ASSERT_OK(err, "struct_ops_multi_args__load"))
goto out;
link = bpf_map__attach_struct_ops(skel->maps.testmod_ref_acquire);
if (!ASSERT_OK_PTR(link, "bpf_map__attach_struct_ops"))
goto out;
ASSERT_EQ(skel->bss->trampoline_stack_arg9, 9999, "check_stack_passed_arg9");
out:
bpf_link__destroy(link);
struct_ops_multi_args__destroy(skel);
}
void test_struct_ops_multi_args(void)
{
if (test__start_subtest("test_refcounted_multi"))
test_refcounted_multi();
if (test__start_subtest("test_trampoline_stack_args"))
test_trampoline_stack_args();
}
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