| Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
| 3 | * operating system. INET is implemented using the BSD Socket |
| 4 | * interface as the means of communication with the user level. |
| 5 | * |
| 6 | * Global definitions for the ARP (RFC 826) protocol. |
| 7 | * |
| 8 | * Version: @(#)if_arp.h 1.0.1 04/16/93 |
| 9 | * |
| 10 | * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988 |
| 11 | * Portions taken from the KA9Q/NOS (v2.00m PA0GRI) source. |
| 12 | * Ross Biro |
| 13 | * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
| 14 | * Florian La Roche, |
| 15 | * Jonathan Layes <layes@loran.com> |
| 16 | * Arnaldo Carvalho de Melo <acme@conectiva.com.br> ARPHRD_HWX25 |
| 17 | * |
| 18 | * This program is free software; you can redistribute it and/or |
| 19 | * modify it under the terms of the GNU General Public License |
| 20 | * as published by the Free Software Foundation; either version |
| 21 | * 2 of the License, or (at your option) any later version. |
| 22 | */ |
| 23 | #ifndef _UAPI_LINUX_IF_ARP_H |
| 24 | #define _UAPI_LINUX_IF_ARP_H |
| 25 | |
| 26 | #include <linux/netdevice.h> |
| 27 | |
| 28 | /* ARP protocol HARDWARE identifiers. */ |
| 29 | #define ARPHRD_NETROM 0 /* from KA9Q: NET/ROM pseudo */ |
| 30 | #define ARPHRD_ETHER 1 /* Ethernet 10Mbps */ |
| 31 | #define ARPHRD_EETHER 2 /* Experimental Ethernet */ |
| 32 | #define ARPHRD_AX25 3 /* AX.25 Level 2 */ |
| 33 | #define ARPHRD_PRONET 4 /* PROnet token ring */ |
| 34 | #define ARPHRD_CHAOS 5 /* Chaosnet */ |
| 35 | #define ARPHRD_IEEE802 6 /* IEEE 802.2 Ethernet/TR/TB */ |
| 36 | #define ARPHRD_ARCNET 7 /* ARCnet */ |
| 37 | #define ARPHRD_APPLETLK 8 /* APPLEtalk */ |
| 38 | #define ARPHRD_DLCI 15 /* Frame Relay DLCI */ |
| 39 | #define ARPHRD_ATM 19 /* ATM */ |
| 40 | #define ARPHRD_METRICOM 23 /* Metricom STRIP (new IANA id) */ |
| 41 | #define ARPHRD_IEEE1394 24 /* IEEE 1394 IPv4 - RFC 2734 */ |
| 42 | #define ARPHRD_EUI64 27 /* EUI-64 */ |
| 43 | #define ARPHRD_INFINIBAND 32 /* InfiniBand */ |
| 44 | |
| 45 | /* Dummy types for non ARP hardware */ |
| 46 | #define ARPHRD_SLIP 256 |
| 47 | #define ARPHRD_CSLIP 257 |
| 48 | #define ARPHRD_SLIP6 258 |
| 49 | #define ARPHRD_CSLIP6 259 |
| 50 | #define ARPHRD_RSRVD 260 /* Notional KISS type */ |
| 51 | #define ARPHRD_ADAPT 264 |
| 52 | #define ARPHRD_ROSE 270 |
| 53 | #define ARPHRD_X25 271 /* CCITT X.25 */ |
| 54 | #define ARPHRD_HWX25 272 /* Boards with X.25 in firmware */ |
| 55 | #define ARPHRD_CAN 280 /* Controller Area Network */ |
| 56 | #define ARPHRD_PPP 512 |
| 57 | #define ARPHRD_CISCO 513 /* Cisco HDLC */ |
| 58 | #define ARPHRD_HDLC ARPHRD_CISCO |
| 59 | #define ARPHRD_LAPB 516 /* LAPB */ |
| 60 | #define ARPHRD_DDCMP 517 /* Digital's DDCMP protocol */ |
| 61 | #define ARPHRD_RAWHDLC 518 /* Raw HDLC */ |
| 62 | |
| 63 | #define ARPHRD_TUNNEL 768 /* IPIP tunnel */ |
| 64 | #define ARPHRD_TUNNEL6 769 /* IP6IP6 tunnel */ |
| 65 | #define ARPHRD_FRAD 770 /* Frame Relay Access Device */ |
| 66 | #define ARPHRD_SKIP 771 /* SKIP vif */ |
| 67 | #define ARPHRD_LOOPBACK 772 /* Loopback device */ |
| 68 | #define ARPHRD_LOCALTLK 773 /* Localtalk device */ |
| 69 | #define ARPHRD_FDDI 774 /* Fiber Distributed Data Interface */ |
| 70 | #define ARPHRD_BIF 775 /* AP1000 BIF */ |
| 71 | #define ARPHRD_SIT 776 /* sit0 device - IPv6-in-IPv4 */ |
| 72 | #define ARPHRD_IPDDP 777 /* IP over DDP tunneller */ |
| 73 | #define ARPHRD_IPGRE 778 /* GRE over IP */ |
| 74 | #define ARPHRD_PIMREG 779 /* PIMSM register interface */ |
| 75 | #define ARPHRD_HIPPI 780 /* High Performance Parallel Interface */ |
| 76 | #define ARPHRD_ASH 781 /* Nexus 64Mbps Ash */ |
| 77 | #define ARPHRD_ECONET 782 /* Acorn Econet */ |
| 78 | #define ARPHRD_IRDA 783 /* Linux-IrDA */ |
| 79 | /* ARP works differently on different FC media .. so */ |
| 80 | #define ARPHRD_FCPP 784 /* Point to point fibrechannel */ |
| 81 | #define ARPHRD_FCAL 785 /* Fibrechannel arbitrated loop */ |
| 82 | #define ARPHRD_FCPL 786 /* Fibrechannel public loop */ |
| 83 | #define ARPHRD_FCFABRIC 787 /* Fibrechannel fabric */ |
| 84 | /* 787->799 reserved for fibrechannel media types */ |
| 85 | #define ARPHRD_IEEE802_TR 800 /* Magic type ident for TR */ |
| 86 | #define ARPHRD_IEEE80211 801 /* IEEE 802.11 */ |
| 87 | #define ARPHRD_IEEE80211_PRISM 802 /* IEEE 802.11 + Prism2 header */ |
| 88 | #define ARPHRD_IEEE80211_RADIOTAP 803 /* IEEE 802.11 + radiotap header */ |
| 89 | #define ARPHRD_IEEE802154 804 |
| 90 | #define ARPHRD_IEEE802154_MONITOR 805 /* IEEE 802.15.4 network monitor */ |
| 91 | |
| 92 | #define ARPHRD_PHONET 820 /* PhoNet media type */ |
| 93 | #define ARPHRD_PHONET_PIPE 821 /* PhoNet pipe header */ |
| 94 | #define ARPHRD_CAIF 822 /* CAIF media type */ |
| 95 | #define ARPHRD_IP6GRE 823 /* GRE over IPv6 */ |
| 96 | #define ARPHRD_NETLINK 824 /* Netlink header */ |
| 97 | |
| 98 | #define ARPHRD_VOID 0xFFFF /* Void type, nothing is known */ |
| 99 | #define ARPHRD_NONE 0xFFFE /* zero header length */ |
| 100 | |
| 101 | /* ARP protocol opcodes. */ |
| 102 | #define ARPOP_REQUEST 1 /* ARP request */ |
| 103 | #define ARPOP_REPLY 2 /* ARP reply */ |
| 104 | #define ARPOP_RREQUEST 3 /* RARP request */ |
| 105 | #define ARPOP_RREPLY 4 /* RARP reply */ |
| 106 | #define ARPOP_InREQUEST 8 /* InARP request */ |
| 107 | #define ARPOP_InREPLY 9 /* InARP reply */ |
| 108 | #define ARPOP_NAK 10 /* (ATM)ARP NAK */ |
| 109 | |
| 110 | |
| 111 | /* ARP ioctl request. */ |
| 112 | struct arpreq { |
| 113 | struct sockaddr arp_pa; /* protocol address */ |
| 114 | struct sockaddr arp_ha; /* hardware address */ |
| 115 | int arp_flags; /* flags */ |
| 116 | struct sockaddr arp_netmask; /* netmask (only for proxy arps) */ |
| 117 | char arp_dev[16]; |
| 118 | }; |
| 119 | |
| 120 | struct arpreq_old { |
| 121 | struct sockaddr arp_pa; /* protocol address */ |
| 122 | struct sockaddr arp_ha; /* hardware address */ |
| 123 | int arp_flags; /* flags */ |
| 124 | struct sockaddr arp_netmask; /* netmask (only for proxy arps) */ |
| 125 | }; |
| 126 | |
| 127 | /* ARP Flag values. */ |
| 128 | #define ATF_COM 0x02 /* completed entry (ha valid) */ |
| 129 | #define ATF_PERM 0x04 /* permanent entry */ |
| 130 | #define ATF_PUBL 0x08 /* publish entry */ |
| 131 | #define ATF_USETRAILERS 0x10 /* has requested trailers */ |
| 132 | #define ATF_NETMASK 0x20 /* want to use a netmask (only |
| 133 | for proxy entries) */ |
| 134 | #define ATF_DONTPUB 0x40 /* don't answer this addresses */ |
| 135 | |
| 136 | /* |
| 137 | * This structure defines an ethernet arp header. |
| 138 | */ |
| 139 | |
| 140 | struct arphdr { |
| 141 | __be16 ar_hrd; /* format of hardware address */ |
| 142 | __be16 ar_pro; /* format of protocol address */ |
| 143 | unsigned char ar_hln; /* length of hardware address */ |
| 144 | unsigned char ar_pln; /* length of protocol address */ |
| 145 | __be16 ar_op; /* ARP opcode (command) */ |
| 146 | |
| 147 | #if 0 |
| 148 | /* |
| 149 | * Ethernet looks like this : This bit is variable sized however... |
| 150 | */ |
| 151 | unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */ |
| 152 | unsigned char ar_sip[4]; /* sender IP address */ |
| 153 | unsigned char ar_tha[ETH_ALEN]; /* target hardware address */ |
| 154 | unsigned char ar_tip[4]; /* target IP address */ |
| 155 | #endif |
| 156 | |
| 157 | }; |
| 158 | |
| 159 | |
| 160 | #endif /* _UAPI_LINUX_IF_ARP_H */ |