ceph/src/msg/async/dpdk/const.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 /*
   3  * This file is open source software, licensed to you under the terms
   4  * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
   5  * distributed with this work for additional information regarding copyright
   6  * ownership.  You may not use this file except in compliance with the License.
   7  *
   8  * You may obtain a copy of the License at
   9  *
  10  *   http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing,
  13  * software distributed under the License is distributed on an
  14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15  * KIND, either express or implied.  See the License for the
  16  * specific language governing permissions and limitations
  17  * under the License.
  18  */
  19 /*
  20  * Copyright (C) 2014 Cloudius Systems, Ltd.
  21  */
  22
  23 #ifndef CEPH_MSG_CONST_H_
  24 #define CEPH_MSG_CONST_H_
  25
  26 #include <stdint.h>
  27
  28 enum class ip_protocol_num : uint8_t {
  29   icmp = 1, tcp = 6, unused = 255
  30 };
  31
  32 enum class eth_protocol_num : uint16_t {
  33   ipv4 = 0x0800, arp = 0x0806, ipv6 = 0x86dd
  34 };
  35
  36 const uint8_t eth_hdr_len = 14;
  37 const uint8_t tcp_hdr_len_min = 20;
  38 const uint8_t ipv4_hdr_len_min = 20;
  39 const uint8_t ipv6_hdr_len_min = 40;
  40 const uint16_t ip_packet_len_max = 65535;
  41
  42 #endif