42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2022 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "bpf_helpers.h"
|
|
|
|
// This can't be easily changed since the program is loaded on boot and may be
|
|
// run against tests at a slightly different version.
|
|
#define TEST_RINGBUF_MAGIC_NUM 12345
|
|
|
|
// This ring buffer is for testing purposes only.
|
|
DEFINE_BPF_RINGBUF_EXT(test_ringbuf, __u64, 4096, AID_ROOT, AID_ROOT, 0660, "", "", false,
|
|
BPFLOADER_MIN_VER, BPFLOADER_MAX_VER, false, false, false);
|
|
|
|
// This program is for test purposes only - it should never be attached to a
|
|
// socket, only executed manually with BPF_PROG_RUN.
|
|
DEFINE_BPF_PROG_KVER("skfilter/ringbuf_test", AID_ROOT, AID_ROOT, test_ringbuf_prog, KVER(5, 8, 0))
|
|
(void* unused_ctx) {
|
|
__u64* output = bpf_test_ringbuf_reserve();
|
|
if (output == NULL) return 1;
|
|
|
|
(*output) = TEST_RINGBUF_MAGIC_NUM;
|
|
bpf_test_ringbuf_submit(output);
|
|
|
|
return 0;
|
|
}
|
|
|
|
LICENSE("Apache 2.0");
|
|
CRITICAL("BPF Ringbuf test");
|