// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
/*
 * This file is open source software, licensed to you under the terms
 * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership.  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.
 */
/*
 * Copyright (C) 2014 Cloudius Systems, Ltd.
 */
/*
 * Ceph - scalable distributed file system
 *
 * Copyright (C) 2015 XSky <haomai@xsky.com>
 *
 * Author: Haomai Wang <haomaiwang@gmail.com>
 *
 * This is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1, as published by the Free Software
 * Foundation.  See file COPYING.
 *
 */

#ifndef CEPH_MSG_CONST_H_
#define CEPH_MSG_CONST_H_

#include <stdint.h>

enum class ip_protocol_num : uint8_t {
  icmp = 1, tcp = 6, unused = 255
};

enum class eth_protocol_num : uint16_t {
  ipv4 = 0x0800, arp = 0x0806, ipv6 = 0x86dd
};

const uint8_t eth_hdr_len = 14;
const uint8_t tcp_hdr_len_min = 20;
const uint8_t ipv4_hdr_len_min = 20;
const uint8_t ipv6_hdr_len_min = 40;
const uint16_t ip_packet_len_max = 65535;

#endif