00001 /* 00002 * INET An implementation of the TCP/IP protocol suite for the LINUX 00003 * operating system. INET is implemented using the BSD Socket 00004 * interface as the means of communication with the user level. 00005 * 00006 * Global definitions for the ARP (RFC 826) protocol. 00007 * 00008 * Version: @(#)if_arp.h 1.0.1 04/16/93 00009 * 00010 * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988 00011 * Portions taken from the KA9Q/NOS (v2.00m PA0GRI) source. 00012 * Ross Biro, <bir7@leland.Stanford.Edu> 00013 * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 00014 * Florian La Roche, 00015 * Jonathan Layes <layes@loran.com> 00016 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> ARPHRD_HWX25 00017 * 00018 * This program is free software; you can redistribute it and/or 00019 * modify it under the terms of the GNU General Public License 00020 * as published by the Free Software Foundation; either version 00021 * 2 of the License, or (at your option) any later version. 00022 */ 00023 #ifndef _LINUX_IF_ARP_H 00024 #define _LINUX_IF_ARP_H 00025 00026 // #include <linux/netdevice.h> 00027 00028 /* ARP protocol HARDWARE identifiers. */ 00029 #define ARPHRD_NETROM 0 /* from KA9Q: NET/ROM pseudo */ 00030 #define ARPHRD_ETHER 1 /* Ethernet 10Mbps */ 00031 #define ARPHRD_EETHER 2 /* Experimental Ethernet */ 00032 #define ARPHRD_AX25 3 /* AX.25 Level 2 */ 00033 #define ARPHRD_PRONET 4 /* PROnet token ring */ 00034 #define ARPHRD_CHAOS 5 /* Chaosnet */ 00035 #define ARPHRD_IEEE802 6 /* IEEE 802.2 Ethernet/TR/TB */ 00036 #define ARPHRD_ARCNET 7 /* ARCnet */ 00037 #define ARPHRD_APPLETLK 8 /* APPLEtalk */ 00038 #define ARPHRD_DLCI 15 /* Frame Relay DLCI */ 00039 #define ARPHRD_ATM 19 /* ATM */ 00040 #define ARPHRD_METRICOM 23 /* Metricom STRIP (new IANA id) */ 00041 #define ARPHRD_IEEE1394 24 /* IEEE 1394 IPv4 - RFC 2734 */ 00042 #define ARPHRD_EUI64 27 /* EUI-64 */ 00043 00044 /* Dummy types for non ARP hardware */ 00045 #define ARPHRD_SLIP 256 00046 #define ARPHRD_CSLIP 257 00047 #define ARPHRD_SLIP6 258 00048 #define ARPHRD_CSLIP6 259 00049 #define ARPHRD_RSRVD 260 /* Notional KISS type */ 00050 #define ARPHRD_ADAPT 264 00051 #define ARPHRD_ROSE 270 00052 #define ARPHRD_X25 271 /* CCITT X.25 */ 00053 #define ARPHRD_HWX25 272 /* Boards with X.25 in firmware */ 00054 #define ARPHRD_PPP 512 00055 #define ARPHRD_CISCO 513 /* Cisco HDLC */ 00056 #define ARPHRD_HDLC ARPHRD_CISCO 00057 #define ARPHRD_LAPB 516 /* LAPB */ 00058 #define ARPHRD_DDCMP 517 /* Digital's DDCMP protocol */ 00059 #define ARPHRD_RAWHDLC 518 /* Raw HDLC */ 00060 00061 #define ARPHRD_TUNNEL 768 /* IPIP tunnel */ 00062 #define ARPHRD_TUNNEL6 769 /* IPIP6 tunnel */ 00063 #define ARPHRD_FRAD 770 /* Frame Relay Access Device */ 00064 #define ARPHRD_SKIP 771 /* SKIP vif */ 00065 #define ARPHRD_LOOPBACK 772 /* Loopback device */ 00066 #define ARPHRD_LOCALTLK 773 /* Localtalk device */ 00067 #define ARPHRD_FDDI 774 /* Fiber Distributed Data Interface */ 00068 #define ARPHRD_BIF 775 /* AP1000 BIF */ 00069 #define ARPHRD_SIT 776 /* sit0 device - IPv6-in-IPv4 */ 00070 #define ARPHRD_IPDDP 777 /* IP over DDP tunneller */ 00071 #define ARPHRD_IPGRE 778 /* GRE over IP */ 00072 #define ARPHRD_PIMREG 779 /* PIMSM register interface */ 00073 #define ARPHRD_HIPPI 780 /* High Performance Parallel Interface */ 00074 #define ARPHRD_ASH 781 /* Nexus 64Mbps Ash */ 00075 #define ARPHRD_ECONET 782 /* Acorn Econet */ 00076 #define ARPHRD_IRDA 783 /* Linux-IrDA */ 00077 /* ARP works differently on different FC media .. so */ 00078 #define ARPHRD_FCPP 784 /* Point to point fibrechannel */ 00079 #define ARPHRD_FCAL 785 /* Fibrechannel arbitrated loop */ 00080 #define ARPHRD_FCPL 786 /* Fibrechannel public loop */ 00081 #define ARPHRD_FCFABRIC 787 /* Fibrechannel fabric */ 00082 /* 787->799 reserved for fibrechannel media types */ 00083 #define ARPHRD_IEEE802_TR 800 /* Magic type ident for TR */ 00084 #define ARPHRD_IEEE80211 801 /* IEEE 802.11 */ 00085 #define ARPHRD_IEEE80211_PRISM 802 /* IEEE 802.11 + Prism2 header */ 00086 00087 #define ARPHRD_VOID 0xFFFF /* Void type, nothing is known */ 00088 00089 /* ARP protocol opcodes. */ 00090 #define ARPOP_REQUEST 1 /* ARP request */ 00091 #define ARPOP_REPLY 2 /* ARP reply */ 00092 #define ARPOP_RREQUEST 3 /* RARP request */ 00093 #define ARPOP_RREPLY 4 /* RARP reply */ 00094 #define ARPOP_InREQUEST 8 /* InARP request */ 00095 #define ARPOP_InREPLY 9 /* InARP reply */ 00096 #define ARPOP_NAK 10 /* (ATM)ARP NAK */ 00097 00098 00099 /* ARP ioctl request. */ 00100 #if 0 00101 struct arpreq { 00102 struct sockaddr arp_pa; /* protocol address */ 00103 struct sockaddr arp_ha; /* hardware address */ 00104 int arp_flags; /* flags */ 00105 struct sockaddr arp_netmask; /* netmask (only for proxy arps) */ 00106 char arp_dev[16]; 00107 }; 00108 #endif 00109 00110 struct arpreq_old { 00111 struct sockaddr arp_pa; /* protocol address */ 00112 struct sockaddr arp_ha; /* hardware address */ 00113 int arp_flags; /* flags */ 00114 struct sockaddr arp_netmask; /* netmask (only for proxy arps) */ 00115 }; 00116 00117 /* ARP Flag values. */ 00118 #define ATF_COM 0x02 /* completed entry (ha valid) */ 00119 #define ATF_PERM 0x04 /* permanent entry */ 00120 #define ATF_PUBL 0x08 /* publish entry */ 00121 #define ATF_USETRAILERS 0x10 /* has requested trailers */ 00122 #define ATF_NETMASK 0x20 /* want to use a netmask (only 00123 for proxy entries) */ 00124 #define ATF_DONTPUB 0x40 /* don't answer this addresses */ 00125 00126 /* 00127 * This structure defines an ethernet arp header. 00128 */ 00129 00130 #if 0 00131 struct arphdr 00132 { 00133 unsigned short ar_hrd; /* format of hardware address */ 00134 unsigned short ar_pro; /* format of protocol address */ 00135 unsigned char ar_hln; /* length of hardware address */ 00136 unsigned char ar_pln; /* length of protocol address */ 00137 unsigned short ar_op; /* ARP opcode (command) */ 00138 #endif 00139 00140 #if 0 00141 /* 00142 * Ethernet looks like this : This bit is variable sized however... 00143 */ 00144 unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */ 00145 unsigned char ar_sip[4]; /* sender IP address */ 00146 unsigned char ar_tha[ETH_ALEN]; /* target hardware address */ 00147 unsigned char ar_tip[4]; /* target IP address */ 00148 00149 }; 00150 #endif 00151 00152 #endif /* _LINUX_IF_ARP_H */