mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2025-01-11 00:04:33 +08:00
81bfdd087b
Move Kconfig-provided externs into custom .kconfig section. Add __kconfig into bpf_helpers.h for user convenience. Update selftests accordingly. Suggested-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191219002837.3074619-2-andriin@fb.com
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* Copyright (c) 2019 Facebook */
|
|
|
|
#include <test_progs.h>
|
|
|
|
struct s {
|
|
int a;
|
|
long long b;
|
|
} __attribute__((packed));
|
|
|
|
#include "test_skeleton.skel.h"
|
|
|
|
void test_skeleton(void)
|
|
{
|
|
int duration = 0, err;
|
|
struct test_skeleton* skel;
|
|
struct test_skeleton__bss *bss;
|
|
struct test_skeleton__kconfig *kcfg;
|
|
|
|
skel = test_skeleton__open();
|
|
if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
|
|
return;
|
|
|
|
if (CHECK(skel->kconfig, "skel_kconfig", "kconfig is mmaped()!\n"))
|
|
goto cleanup;
|
|
|
|
err = test_skeleton__load(skel);
|
|
if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
|
|
goto cleanup;
|
|
|
|
bss = skel->bss;
|
|
bss->in1 = 1;
|
|
bss->in2 = 2;
|
|
bss->in3 = 3;
|
|
bss->in4 = 4;
|
|
bss->in5.a = 5;
|
|
bss->in5.b = 6;
|
|
kcfg = skel->kconfig;
|
|
|
|
err = test_skeleton__attach(skel);
|
|
if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
|
|
goto cleanup;
|
|
|
|
/* trigger tracepoint */
|
|
usleep(1);
|
|
|
|
CHECK(bss->out1 != 1, "res1", "got %d != exp %d\n", bss->out1, 1);
|
|
CHECK(bss->out2 != 2, "res2", "got %lld != exp %d\n", bss->out2, 2);
|
|
CHECK(bss->out3 != 3, "res3", "got %d != exp %d\n", (int)bss->out3, 3);
|
|
CHECK(bss->out4 != 4, "res4", "got %lld != exp %d\n", bss->out4, 4);
|
|
CHECK(bss->handler_out5.a != 5, "res5", "got %d != exp %d\n",
|
|
bss->handler_out5.a, 5);
|
|
CHECK(bss->handler_out5.b != 6, "res6", "got %lld != exp %d\n",
|
|
bss->handler_out5.b, 6);
|
|
|
|
CHECK(bss->bpf_syscall != kcfg->CONFIG_BPF_SYSCALL, "ext1",
|
|
"got %d != exp %d\n", bss->bpf_syscall, kcfg->CONFIG_BPF_SYSCALL);
|
|
CHECK(bss->kern_ver != kcfg->LINUX_KERNEL_VERSION, "ext2",
|
|
"got %d != exp %d\n", bss->kern_ver, kcfg->LINUX_KERNEL_VERSION);
|
|
|
|
cleanup:
|
|
test_skeleton__destroy(skel);
|
|
}
|