255 lines
12 KiB
C
255 lines
12 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*
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* Copyright (c) 1982, 1986, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)in.h 8.3 (Berkeley) 1/3/94
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* $FreeBSD: src/sys/netinet/in.h,v 1.82 2003/10/25 09:37:10 ume Exp $
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*/
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#ifndef _RTE_IP_H_
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#define _RTE_IP_H_
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/**
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* @file
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*
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* IP-related defines
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*/
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* IPv4 Header
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*/
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struct ipv4_hdr {
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uint8_t version_ihl; /**< version and header length */
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uint8_t type_of_service; /**< type of service */
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uint16_t total_length; /**< length of packet */
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uint16_t packet_id; /**< packet ID */
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uint16_t fragment_offset; /**< fragmentation offset */
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uint8_t time_to_live; /**< time to live */
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uint8_t next_proto_id; /**< protocol ID */
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uint16_t hdr_checksum; /**< header checksum */
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uint32_t src_addr; /**< source address */
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uint32_t dst_addr; /**< destination address */
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} __attribute__((__packed__));
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/** Create IPv4 address */
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#define IPv4(a,b,c,d) ((uint32_t)(((a) & 0xff) << 24) | \
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(((b) & 0xff) << 16) | \
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(((c) & 0xff) << 8) | \
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((d) & 0xff))
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/* IPv4 protocols */
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#define IPPROTO_IP 0 /**< dummy for IP */
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#define IPPROTO_HOPOPTS 0 /**< IP6 hop-by-hop options */
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#define IPPROTO_ICMP 1 /**< control message protocol */
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#define IPPROTO_IGMP 2 /**< group mgmt protocol */
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#define IPPROTO_GGP 3 /**< gateway^2 (deprecated) */
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#define IPPROTO_IPV4 4 /**< IPv4 encapsulation */
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#define IPPROTO_TCP 6 /**< tcp */
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#define IPPROTO_ST 7 /**< Stream protocol II */
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#define IPPROTO_EGP 8 /**< exterior gateway protocol */
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#define IPPROTO_PIGP 9 /**< private interior gateway */
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#define IPPROTO_RCCMON 10 /**< BBN RCC Monitoring */
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#define IPPROTO_NVPII 11 /**< network voice protocol*/
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#define IPPROTO_PUP 12 /**< pup */
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#define IPPROTO_ARGUS 13 /**< Argus */
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#define IPPROTO_EMCON 14 /**< EMCON */
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#define IPPROTO_XNET 15 /**< Cross Net Debugger */
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#define IPPROTO_CHAOS 16 /**< Chaos*/
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#define IPPROTO_UDP 17 /**< user datagram protocol */
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#define IPPROTO_MUX 18 /**< Multiplexing */
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#define IPPROTO_MEAS 19 /**< DCN Measurement Subsystems */
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#define IPPROTO_HMP 20 /**< Host Monitoring */
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#define IPPROTO_PRM 21 /**< Packet Radio Measurement */
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#define IPPROTO_IDP 22 /**< xns idp */
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#define IPPROTO_TRUNK1 23 /**< Trunk-1 */
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#define IPPROTO_TRUNK2 24 /**< Trunk-2 */
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#define IPPROTO_LEAF1 25 /**< Leaf-1 */
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#define IPPROTO_LEAF2 26 /**< Leaf-2 */
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#define IPPROTO_RDP 27 /**< Reliable Data */
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#define IPPROTO_IRTP 28 /**< Reliable Transaction */
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#define IPPROTO_TP 29 /**< tp-4 w/ class negotiation */
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#define IPPROTO_BLT 30 /**< Bulk Data Transfer */
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#define IPPROTO_NSP 31 /**< Network Services */
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#define IPPROTO_INP 32 /**< Merit Internodal */
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#define IPPROTO_SEP 33 /**< Sequential Exchange */
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#define IPPROTO_3PC 34 /**< Third Party Connect */
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#define IPPROTO_IDPR 35 /**< InterDomain Policy Routing */
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#define IPPROTO_XTP 36 /**< XTP */
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#define IPPROTO_DDP 37 /**< Datagram Delivery */
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#define IPPROTO_CMTP 38 /**< Control Message Transport */
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#define IPPROTO_TPXX 39 /**< TP++ Transport */
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#define IPPROTO_IL 40 /**< IL transport protocol */
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#define IPPROTO_IPV6 41 /**< IP6 header */
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#define IPPROTO_SDRP 42 /**< Source Demand Routing */
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#define IPPROTO_ROUTING 43 /**< IP6 routing header */
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#define IPPROTO_FRAGMENT 44 /**< IP6 fragmentation header */
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#define IPPROTO_IDRP 45 /**< InterDomain Routing*/
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#define IPPROTO_RSVP 46 /**< resource reservation */
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#define IPPROTO_GRE 47 /**< General Routing Encap. */
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#define IPPROTO_MHRP 48 /**< Mobile Host Routing */
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#define IPPROTO_BHA 49 /**< BHA */
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#define IPPROTO_ESP 50 /**< IP6 Encap Sec. Payload */
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#define IPPROTO_AH 51 /**< IP6 Auth Header */
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#define IPPROTO_INLSP 52 /**< Integ. Net Layer Security */
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#define IPPROTO_SWIPE 53 /**< IP with encryption */
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#define IPPROTO_NHRP 54 /**< Next Hop Resolution */
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/* 55-57: Unassigned */
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#define IPPROTO_ICMPV6 58 /**< ICMP6 */
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#define IPPROTO_NONE 59 /**< IP6 no next header */
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#define IPPROTO_DSTOPTS 60 /**< IP6 destination option */
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#define IPPROTO_AHIP 61 /**< any host internal protocol */
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#define IPPROTO_CFTP 62 /**< CFTP */
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#define IPPROTO_HELLO 63 /**< "hello" routing protocol */
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#define IPPROTO_SATEXPAK 64 /**< SATNET/Backroom EXPAK */
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#define IPPROTO_KRYPTOLAN 65 /**< Kryptolan */
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#define IPPROTO_RVD 66 /**< Remote Virtual Disk */
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#define IPPROTO_IPPC 67 /**< Pluribus Packet Core */
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#define IPPROTO_ADFS 68 /**< Any distributed FS */
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#define IPPROTO_SATMON 69 /**< Satnet Monitoring */
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#define IPPROTO_VISA 70 /**< VISA Protocol */
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#define IPPROTO_IPCV 71 /**< Packet Core Utility */
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#define IPPROTO_CPNX 72 /**< Comp. Prot. Net. Executive */
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#define IPPROTO_CPHB 73 /**< Comp. Prot. HeartBeat */
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#define IPPROTO_WSN 74 /**< Wang Span Network */
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#define IPPROTO_PVP 75 /**< Packet Video Protocol */
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#define IPPROTO_BRSATMON 76 /**< BackRoom SATNET Monitoring */
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#define IPPROTO_ND 77 /**< Sun net disk proto (temp.) */
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#define IPPROTO_WBMON 78 /**< WIDEBAND Monitoring */
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#define IPPROTO_WBEXPAK 79 /**< WIDEBAND EXPAK */
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#define IPPROTO_EON 80 /**< ISO cnlp */
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#define IPPROTO_VMTP 81 /**< VMTP */
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#define IPPROTO_SVMTP 82 /**< Secure VMTP */
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#define IPPROTO_VINES 83 /**< Banyon VINES */
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#define IPPROTO_TTP 84 /**< TTP */
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#define IPPROTO_IGP 85 /**< NSFNET-IGP */
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#define IPPROTO_DGP 86 /**< dissimilar gateway prot. */
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#define IPPROTO_TCF 87 /**< TCF */
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#define IPPROTO_IGRP 88 /**< Cisco/GXS IGRP */
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#define IPPROTO_OSPFIGP 89 /**< OSPFIGP */
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#define IPPROTO_SRPC 90 /**< Strite RPC protocol */
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#define IPPROTO_LARP 91 /**< Locus Address Resoloution */
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#define IPPROTO_MTP 92 /**< Multicast Transport */
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#define IPPROTO_AX25 93 /**< AX.25 Frames */
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#define IPPROTO_IPEIP 94 /**< IP encapsulated in IP */
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#define IPPROTO_MICP 95 /**< Mobile Int.ing control */
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#define IPPROTO_SCCSP 96 /**< Semaphore Comm. security */
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#define IPPROTO_ETHERIP 97 /**< Ethernet IP encapsulation */
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#define IPPROTO_ENCAP 98 /**< encapsulation header */
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#define IPPROTO_APES 99 /**< any private encr. scheme */
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#define IPPROTO_GMTP 100 /**< GMTP */
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#define IPPROTO_IPCOMP 108 /**< payload compression (IPComp) */
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/* 101-254: Partly Unassigned */
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#define IPPROTO_PIM 103 /**< Protocol Independent Mcast */
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#define IPPROTO_PGM 113 /**< PGM */
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#define IPPROTO_SCTP 132 /**< Stream Control Transport Protocol */
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/* 255: Reserved */
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/* BSD Private, local use, namespace incursion */
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#define IPPROTO_DIVERT 254 /**< divert pseudo-protocol */
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#define IPPROTO_RAW 255 /**< raw IP packet */
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#define IPPROTO_MAX 256 /**< maximum protocol number */
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/*
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* IPv4 address types
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*/
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#define IPV4_ANY ((uint32_t)0x00000000) /**< 0.0.0.0 */
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#define IPV4_LOOPBACK ((uint32_t)0x7f000001) /**< 127.0.0.1 */
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#define IPV4_BROADCAST ((uint32_t)0xe0000000) /**< 224.0.0.0 */
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#define IPV4_ALLHOSTS_GROUP ((uint32_t)0xe0000001) /**< 224.0.0.1 */
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#define IPV4_ALLRTRS_GROUP ((uint32_t)0xe0000002) /**< 224.0.0.2 */
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#define IPV4_MAX_LOCAL_GROUP ((uint32_t)0xe00000ff) /**< 224.0.0.255 */
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/*
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* IPv4 Multicast-related macros
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*/
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#define IPV4_MIN_MCAST IPv4(224, 0, 0, 0) /**< Minimal IPv4-multicast address */
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#define IPV4_MAX_MCAST IPv4(239, 255, 255, 255) /**< Maximum IPv4 multicast address */
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#define IS_IPV4_MCAST(x) \
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((x) >= IPV4_MIN_MCAST && (x) <= IPV4_MAX_MCAST) /**< check if IPv4 address is multicast */
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/**
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* IPv6 Header
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*/
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struct ipv6_hdr {
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uint32_t vtc_flow; /**< IP version, traffic class & flow label. */
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uint16_t payload_len; /**< IP packet length - includes sizeof(ip_header). */
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uint8_t proto; /**< Protocol, next header. */
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uint8_t hop_limits; /**< Hop limits. */
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uint8_t src_addr[16]; /**< IP address of source host. */
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uint8_t dst_addr[16]; /**< IP address of destination host(s). */
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} __attribute__((__packed__));
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTE_IP_H_ */
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