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#ifndef _NET_IF_ARP_H
#define _NET_IF_ARP_H
#include <sys/socket.h>
#define MAX_ADDR_LEN 7
/* 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) */
/* 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 /* IPIP6 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_VOID 0xFFFF /* Void type, nothing is known */
/* 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) */
};
#endif
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