| /* |
| * 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 |
| |
| /* 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_IEEE80211_RADIOTAP 803 /* IEEE 802.11 + radiotap 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 */ |
