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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note *//* * 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 _UAPI_LINUX_IF_ARP_H#define _UAPI_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_CAN 280 /* Controller Area Network */#define ARPHRD_MCTP 290#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_RAWIP 519 /* Raw IP */
#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_IEEE802154 804#define ARPHRD_IEEE802154_MONITOR 805 /* IEEE 802.15.4 network monitor */
#define ARPHRD_PHONET 820 /* PhoNet media type */#define ARPHRD_PHONET_PIPE 821 /* PhoNet pipe header */#define ARPHRD_CAIF 822 /* CAIF media type */#define ARPHRD_IP6GRE 823 /* GRE over IPv6 */#define ARPHRD_NETLINK 824 /* Netlink header */#define ARPHRD_6LOWPAN 825 /* IPv6 over LoWPAN */#define ARPHRD_VSOCKMON 826 /* Vsock monitor 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[IFNAMSIZ];};
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 { __be16 ar_hrd; /* format of hardware address */ __be16 ar_pro; /* format of protocol address */ unsigned char ar_hln; /* length of hardware address */ unsigned char ar_pln; /* length of protocol address */ __be16 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 /* _UAPI_LINUX_IF_ARP_H */