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numam-dpdk/lib/librte_net/rte_ip.h
Bruce Richardson 3031749c2d remove trailing whitespaces 
This commit removes trailing whitespace from lines in files. Almost all
files are affected, as the BSD license copyright header had trailing
whitespace on 4 lines in it [hence the number of files reporting 8 lines
changed in the diffstat].

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
[Thomas: remove spaces before tabs in libs]
[Thomas: remove more trailing spaces in non-C files]
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-06-11 00:29:34 +02:00

266 lines
12 KiB
C
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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)in.h 8.3 (Berkeley) 1/3/94
* $FreeBSD: src/sys/netinet/in.h,v 1.82 2003/10/25 09:37:10 ume Exp $
*/
#ifndef _RTE_IP_H_
#define _RTE_IP_H_
/**
* @file
*
* IP-related defines
*/
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* IPv4 Header
*/
struct ipv4_hdr {
uint8_t version_ihl; /**< version and header length */
uint8_t type_of_service; /**< type of service */
uint16_t total_length; /**< length of packet */
uint16_t packet_id; /**< packet ID */
uint16_t fragment_offset; /**< fragmentation offset */
uint8_t time_to_live; /**< time to live */
uint8_t next_proto_id; /**< protocol ID */
uint16_t hdr_checksum; /**< header checksum */
uint32_t src_addr; /**< source address */
uint32_t dst_addr; /**< destination address */
} __attribute__((__packed__));
/** Create IPv4 address */
#define IPv4(a,b,c,d) ((uint32_t)(((a) & 0xff) << 24) | \
(((b) & 0xff) << 16) | \
(((c) & 0xff) << 8) | \
((d) & 0xff))
/* Fragment Offset * Flags. */
#define IPV4_HDR_DF_SHIFT 14
#define IPV4_HDR_MF_SHIFT 13
#define IPV4_HDR_FO_SHIFT 3
#define IPV4_HDR_DF_FLAG (1 << IPV4_HDR_DF_SHIFT)
#define IPV4_HDR_MF_FLAG (1 << IPV4_HDR_MF_SHIFT)
#define IPV4_HDR_OFFSET_MASK ((1 << IPV4_HDR_MF_SHIFT) - 1)
#define IPV4_HDR_OFFSET_UNITS 8
/* IPv4 protocols */
#define IPPROTO_IP 0 /**< dummy for IP */
#define IPPROTO_HOPOPTS 0 /**< IP6 hop-by-hop options */
#define IPPROTO_ICMP 1 /**< control message protocol */
#define IPPROTO_IGMP 2 /**< group mgmt protocol */
#define IPPROTO_GGP 3 /**< gateway^2 (deprecated) */
#define IPPROTO_IPV4 4 /**< IPv4 encapsulation */
#define IPPROTO_TCP 6 /**< tcp */
#define IPPROTO_ST 7 /**< Stream protocol II */
#define IPPROTO_EGP 8 /**< exterior gateway protocol */
#define IPPROTO_PIGP 9 /**< private interior gateway */
#define IPPROTO_RCCMON 10 /**< BBN RCC Monitoring */
#define IPPROTO_NVPII 11 /**< network voice protocol*/
#define IPPROTO_PUP 12 /**< pup */
#define IPPROTO_ARGUS 13 /**< Argus */
#define IPPROTO_EMCON 14 /**< EMCON */
#define IPPROTO_XNET 15 /**< Cross Net Debugger */
#define IPPROTO_CHAOS 16 /**< Chaos*/
#define IPPROTO_UDP 17 /**< user datagram protocol */
#define IPPROTO_MUX 18 /**< Multiplexing */
#define IPPROTO_MEAS 19 /**< DCN Measurement Subsystems */
#define IPPROTO_HMP 20 /**< Host Monitoring */
#define IPPROTO_PRM 21 /**< Packet Radio Measurement */
#define IPPROTO_IDP 22 /**< xns idp */
#define IPPROTO_TRUNK1 23 /**< Trunk-1 */
#define IPPROTO_TRUNK2 24 /**< Trunk-2 */
#define IPPROTO_LEAF1 25 /**< Leaf-1 */
#define IPPROTO_LEAF2 26 /**< Leaf-2 */
#define IPPROTO_RDP 27 /**< Reliable Data */
#define IPPROTO_IRTP 28 /**< Reliable Transaction */
#define IPPROTO_TP 29 /**< tp-4 w/ class negotiation */
#define IPPROTO_BLT 30 /**< Bulk Data Transfer */
#define IPPROTO_NSP 31 /**< Network Services */
#define IPPROTO_INP 32 /**< Merit Internodal */
#define IPPROTO_SEP 33 /**< Sequential Exchange */
#define IPPROTO_3PC 34 /**< Third Party Connect */
#define IPPROTO_IDPR 35 /**< InterDomain Policy Routing */
#define IPPROTO_XTP 36 /**< XTP */
#define IPPROTO_DDP 37 /**< Datagram Delivery */
#define IPPROTO_CMTP 38 /**< Control Message Transport */
#define IPPROTO_TPXX 39 /**< TP++ Transport */
#define IPPROTO_IL 40 /**< IL transport protocol */
#define IPPROTO_IPV6 41 /**< IP6 header */
#define IPPROTO_SDRP 42 /**< Source Demand Routing */
#define IPPROTO_ROUTING 43 /**< IP6 routing header */
#define IPPROTO_FRAGMENT 44 /**< IP6 fragmentation header */
#define IPPROTO_IDRP 45 /**< InterDomain Routing*/
#define IPPROTO_RSVP 46 /**< resource reservation */
#define IPPROTO_GRE 47 /**< General Routing Encap. */
#define IPPROTO_MHRP 48 /**< Mobile Host Routing */
#define IPPROTO_BHA 49 /**< BHA */
#define IPPROTO_ESP 50 /**< IP6 Encap Sec. Payload */
#define IPPROTO_AH 51 /**< IP6 Auth Header */
#define IPPROTO_INLSP 52 /**< Integ. Net Layer Security */
#define IPPROTO_SWIPE 53 /**< IP with encryption */
#define IPPROTO_NHRP 54 /**< Next Hop Resolution */
/* 55-57: Unassigned */
#define IPPROTO_ICMPV6 58 /**< ICMP6 */
#define IPPROTO_NONE 59 /**< IP6 no next header */
#define IPPROTO_DSTOPTS 60 /**< IP6 destination option */
#define IPPROTO_AHIP 61 /**< any host internal protocol */
#define IPPROTO_CFTP 62 /**< CFTP */
#define IPPROTO_HELLO 63 /**< "hello" routing protocol */
#define IPPROTO_SATEXPAK 64 /**< SATNET/Backroom EXPAK */
#define IPPROTO_KRYPTOLAN 65 /**< Kryptolan */
#define IPPROTO_RVD 66 /**< Remote Virtual Disk */
#define IPPROTO_IPPC 67 /**< Pluribus Packet Core */
#define IPPROTO_ADFS 68 /**< Any distributed FS */
#define IPPROTO_SATMON 69 /**< Satnet Monitoring */
#define IPPROTO_VISA 70 /**< VISA Protocol */
#define IPPROTO_IPCV 71 /**< Packet Core Utility */
#define IPPROTO_CPNX 72 /**< Comp. Prot. Net. Executive */
#define IPPROTO_CPHB 73 /**< Comp. Prot. HeartBeat */
#define IPPROTO_WSN 74 /**< Wang Span Network */
#define IPPROTO_PVP 75 /**< Packet Video Protocol */
#define IPPROTO_BRSATMON 76 /**< BackRoom SATNET Monitoring */
#define IPPROTO_ND 77 /**< Sun net disk proto (temp.) */
#define IPPROTO_WBMON 78 /**< WIDEBAND Monitoring */
#define IPPROTO_WBEXPAK 79 /**< WIDEBAND EXPAK */
#define IPPROTO_EON 80 /**< ISO cnlp */
#define IPPROTO_VMTP 81 /**< VMTP */
#define IPPROTO_SVMTP 82 /**< Secure VMTP */
#define IPPROTO_VINES 83 /**< Banyon VINES */
#define IPPROTO_TTP 84 /**< TTP */
#define IPPROTO_IGP 85 /**< NSFNET-IGP */
#define IPPROTO_DGP 86 /**< dissimilar gateway prot. */
#define IPPROTO_TCF 87 /**< TCF */
#define IPPROTO_IGRP 88 /**< Cisco/GXS IGRP */
#define IPPROTO_OSPFIGP 89 /**< OSPFIGP */
#define IPPROTO_SRPC 90 /**< Strite RPC protocol */
#define IPPROTO_LARP 91 /**< Locus Address Resoloution */
#define IPPROTO_MTP 92 /**< Multicast Transport */
#define IPPROTO_AX25 93 /**< AX.25 Frames */
#define IPPROTO_IPEIP 94 /**< IP encapsulated in IP */
#define IPPROTO_MICP 95 /**< Mobile Int.ing control */
#define IPPROTO_SCCSP 96 /**< Semaphore Comm. security */
#define IPPROTO_ETHERIP 97 /**< Ethernet IP encapsulation */
#define IPPROTO_ENCAP 98 /**< encapsulation header */
#define IPPROTO_APES 99 /**< any private encr. scheme */
#define IPPROTO_GMTP 100 /**< GMTP */
#define IPPROTO_IPCOMP 108 /**< payload compression (IPComp) */
/* 101-254: Partly Unassigned */
#define IPPROTO_PIM 103 /**< Protocol Independent Mcast */
#define IPPROTO_PGM 113 /**< PGM */
#define IPPROTO_SCTP 132 /**< Stream Control Transport Protocol */
/* 255: Reserved */
/* BSD Private, local use, namespace incursion */
#define IPPROTO_DIVERT 254 /**< divert pseudo-protocol */
#define IPPROTO_RAW 255 /**< raw IP packet */
#define IPPROTO_MAX 256 /**< maximum protocol number */
/*
* IPv4 address types
*/
#define IPV4_ANY ((uint32_t)0x00000000) /**< 0.0.0.0 */
#define IPV4_LOOPBACK ((uint32_t)0x7f000001) /**< 127.0.0.1 */
#define IPV4_BROADCAST ((uint32_t)0xe0000000) /**< 224.0.0.0 */
#define IPV4_ALLHOSTS_GROUP ((uint32_t)0xe0000001) /**< 224.0.0.1 */
#define IPV4_ALLRTRS_GROUP ((uint32_t)0xe0000002) /**< 224.0.0.2 */
#define IPV4_MAX_LOCAL_GROUP ((uint32_t)0xe00000ff) /**< 224.0.0.255 */
/*
* IPv4 Multicast-related macros
*/
#define IPV4_MIN_MCAST IPv4(224, 0, 0, 0) /**< Minimal IPv4-multicast address */
#define IPV4_MAX_MCAST IPv4(239, 255, 255, 255) /**< Maximum IPv4 multicast address */
#define IS_IPV4_MCAST(x) \
((x) >= IPV4_MIN_MCAST && (x) <= IPV4_MAX_MCAST) /**< check if IPv4 address is multicast */
/**
* IPv6 Header
*/
struct ipv6_hdr {
uint32_t vtc_flow; /**< IP version, traffic class & flow label. */
uint16_t payload_len; /**< IP packet length - includes sizeof(ip_header). */
uint8_t proto; /**< Protocol, next header. */
uint8_t hop_limits; /**< Hop limits. */
uint8_t src_addr[16]; /**< IP address of source host. */
uint8_t dst_addr[16]; /**< IP address of destination host(s). */
} __attribute__((__packed__));
#ifdef __cplusplus
}
#endif
#endif /* _RTE_IP_H_ */
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