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- /*
- * INET An implementation of the TCP/IP protocol suite for the LINUX
- * operating system. INET is implemented using the BSD Socket
- * interface as the means of communication with the user level.
- *
- * Global definitions for the ARP (RFC 826) protocol.
- *
- * Version: @(#)if_arp.h 1.0.1 04/16/93
- *
- * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988
- * Portions taken from the KA9Q/NOS (v2.00m PA0GRI) source.
- * Ross Biro
- * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
- * Florian La Roche,
- * Jonathan Layes <layes@loran.com>
- * Arnaldo Carvalho de Melo <acme@conectiva.com.br> ARPHRD_HWX25
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
- #ifndef _LINUX_IF_ARP_H
- #define _LINUX_IF_ARP_H
- #include <linux/netdevice.h>
- /* ARP protocol HARDWARE identifiers. */
- #define ARPHRD_NETROM 0 /* from KA9Q: NET/ROM pseudo */
- #define ARPHRD_ETHER 1 /* Ethernet 10Mbps */
- #define ARPHRD_EETHER 2 /* Experimental Ethernet */
- #define ARPHRD_AX25 3 /* AX.25 Level 2 */
- #define ARPHRD_PRONET 4 /* PROnet token ring */
- #define ARPHRD_CHAOS 5 /* Chaosnet */
- #define ARPHRD_IEEE802 6 /* IEEE 802.2 Ethernet/TR/TB */
- #define ARPHRD_ARCNET 7 /* ARCnet */
- #define ARPHRD_APPLETLK 8 /* APPLEtalk */
- #define ARPHRD_DLCI 15 /* Frame Relay DLCI */
- #define ARPHRD_ATM 19 /* ATM */
- #define ARPHRD_METRICOM 23 /* Metricom STRIP (new IANA id) */
- #define ARPHRD_IEEE1394 24 /* IEEE 1394 IPv4 - RFC 2734 */
- #define ARPHRD_EUI64 27 /* EUI-64 */
- #define ARPHRD_INFINIBAND 32 /* InfiniBand */
- /* Dummy types for non ARP hardware */
- #define ARPHRD_SLIP 256
- #define ARPHRD_CSLIP 257
- #define ARPHRD_SLIP6 258
- #define ARPHRD_CSLIP6 259
- #define ARPHRD_RSRVD 260 /* Notional KISS type */
- #define ARPHRD_ADAPT 264
- #define ARPHRD_ROSE 270
- #define ARPHRD_X25 271 /* CCITT X.25 */
- #define ARPHRD_HWX25 272 /* Boards with X.25 in firmware */
- #define ARPHRD_PPP 512
- #define ARPHRD_CISCO 513 /* Cisco HDLC */
- #define ARPHRD_HDLC ARPHRD_CISCO
- #define ARPHRD_LAPB 516 /* LAPB */
- #define ARPHRD_DDCMP 517 /* Digital's DDCMP protocol */
- #define ARPHRD_RAWHDLC 518 /* Raw HDLC */
- #define ARPHRD_TUNNEL 768 /* IPIP tunnel */
- #define ARPHRD_TUNNEL6 769 /* IP6IP6 tunnel */
- #define ARPHRD_FRAD 770 /* Frame Relay Access Device */
- #define ARPHRD_SKIP 771 /* SKIP vif */
- #define ARPHRD_LOOPBACK 772 /* Loopback device */
- #define ARPHRD_LOCALTLK 773 /* Localtalk device */
- #define ARPHRD_FDDI 774 /* Fiber Distributed Data Interface */
- #define ARPHRD_BIF 775 /* AP1000 BIF */
- #define ARPHRD_SIT 776 /* sit0 device - IPv6-in-IPv4 */
- #define ARPHRD_IPDDP 777 /* IP over DDP tunneller */
- #define ARPHRD_IPGRE 778 /* GRE over IP */
- #define ARPHRD_PIMREG 779 /* PIMSM register interface */
- #define ARPHRD_HIPPI 780 /* High Performance Parallel Interface */
- #define ARPHRD_ASH 781 /* Nexus 64Mbps Ash */
- #define ARPHRD_ECONET 782 /* Acorn Econet */
- #define ARPHRD_IRDA 783 /* Linux-IrDA */
- /* ARP works differently on different FC media .. so */
- #define ARPHRD_FCPP 784 /* Point to point fibrechannel */
- #define ARPHRD_FCAL 785 /* Fibrechannel arbitrated loop */
- #define ARPHRD_FCPL 786 /* Fibrechannel public loop */
- #define ARPHRD_FCFABRIC 787 /* Fibrechannel fabric */
- /* 787->799 reserved for fibrechannel media types */
- #define ARPHRD_IEEE802_TR 800 /* Magic type ident for TR */
- #define ARPHRD_IEEE80211 801 /* IEEE 802.11 */
- #define ARPHRD_IEEE80211_PRISM 802 /* IEEE 802.11 + Prism2 header */
- #define ARPHRD_VOID 0xFFFF /* Void type, nothing is known */
- #define ARPHRD_NONE 0xFFFE /* zero header length */
- /* ARP protocol opcodes. */
- #define ARPOP_REQUEST 1 /* ARP request */
- #define ARPOP_REPLY 2 /* ARP reply */
- #define ARPOP_RREQUEST 3 /* RARP request */
- #define ARPOP_RREPLY 4 /* RARP reply */
- #define ARPOP_InREQUEST 8 /* InARP request */
- #define ARPOP_InREPLY 9 /* InARP reply */
- #define ARPOP_NAK 10 /* (ATM)ARP NAK */
- /* ARP ioctl request. */
- struct arpreq {
- struct sockaddr arp_pa; /* protocol address */
- struct sockaddr arp_ha; /* hardware address */
- int arp_flags; /* flags */
- struct sockaddr arp_netmask; /* netmask (only for proxy arps) */
- char arp_dev[16];
- };
- struct arpreq_old {
- struct sockaddr arp_pa; /* protocol address */
- struct sockaddr arp_ha; /* hardware address */
- int arp_flags; /* flags */
- struct sockaddr arp_netmask; /* netmask (only for proxy arps) */
- };
- /* ARP Flag values. */
- #define ATF_COM 0x02 /* completed entry (ha valid) */
- #define ATF_PERM 0x04 /* permanent entry */
- #define ATF_PUBL 0x08 /* publish entry */
- #define ATF_USETRAILERS 0x10 /* has requested trailers */
- #define ATF_NETMASK 0x20 /* want to use a netmask (only
- for proxy entries) */
- #define ATF_DONTPUB 0x40 /* don't answer this addresses */
- /*
- * This structure defines an ethernet arp header.
- */
- struct arphdr
- {
- unsigned short ar_hrd; /* format of hardware address */
- unsigned short ar_pro; /* format of protocol address */
- unsigned char ar_hln; /* length of hardware address */
- unsigned char ar_pln; /* length of protocol address */
- unsigned short ar_op; /* ARP opcode (command) */
- #if 0
- /*
- * Ethernet looks like this : This bit is variable sized however...
- */
- unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */
- unsigned char ar_sip[4]; /* sender IP address */
- unsigned char ar_tha[ETH_ALEN]; /* target hardware address */
- unsigned char ar_tip[4]; /* target IP address */
- #endif
- };
- #endif /* _LINUX_IF_ARP_H */
