a08c02f8d4
Add a selftest excercising bpf-to-bpf subprogram calls, as well as multiple entry-point BPF programs per section. Also make sure that BPF CO-RE works for such set ups both for sub-programs and for multi-entry sections. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200903203542.15944-8-andriin@fb.com
31 lines
847 B
C
31 lines
847 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* Copyright (c) 2020 Facebook */
|
|
#include <test_progs.h>
|
|
#include <time.h>
|
|
#include "test_subprogs.skel.h"
|
|
|
|
static int duration;
|
|
|
|
void test_subprogs(void)
|
|
{
|
|
struct test_subprogs *skel;
|
|
int err;
|
|
|
|
skel = test_subprogs__open_and_load();
|
|
if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
|
|
return;
|
|
|
|
err = test_subprogs__attach(skel);
|
|
if (CHECK(err, "skel_attach", "failed to attach skeleton: %d\n", err))
|
|
goto cleanup;
|
|
|
|
usleep(1);
|
|
|
|
CHECK(skel->bss->res1 != 12, "res1", "got %d, exp %d\n", skel->bss->res1, 12);
|
|
CHECK(skel->bss->res2 != 17, "res2", "got %d, exp %d\n", skel->bss->res2, 17);
|
|
CHECK(skel->bss->res3 != 19, "res3", "got %d, exp %d\n", skel->bss->res3, 19);
|
|
CHECK(skel->bss->res4 != 36, "res4", "got %d, exp %d\n", skel->bss->res4, 36);
|
|
|
|
cleanup:
|
|
test_subprogs__destroy(skel);
|
|
}
|