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Diffstat (limited to 'sysdeps/mach/hurd/net/if_arp.h')
| -rw-r--r-- | sysdeps/mach/hurd/net/if_arp.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/net/if_arp.h b/sysdeps/mach/hurd/net/if_arp.h new file mode 100644 index 0000000000..1e978e13ef --- /dev/null +++ b/sysdeps/mach/hurd/net/if_arp.h @@ -0,0 +1,145 @@ +/* Definitions for Address Resolution Protocol. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Based on the 4.4BSD and Linux version of this file. */ + +#ifndef _NET_IF_ARP_H + +#define _NET_IF_ARP_H 1 +#include <sys/cdefs.h> + +#include <sys/types.h> +#include <sys/socket.h> + +__BEGIN_DECLS + +/* Some internals from deep down in the kernel. */ +#define MAX_ADDR_LEN 7 + + +/* This structure defines an ethernet arp header. */ + +/* 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. */ + +/* See RFC 826 for protocol description. ARP packets are variable + in size; the arphdr structure defines the fixed-length portion. + Protocol type values are the same as those for 10 Mb/s Ethernet. + It is followed by the variable-sized fields ar_sha, arp_spa, + arp_tha and arp_tpa in that order, according to the lengths + specified. Field names used correspond to RFC 826. */ + +struct arphdr + { + unsigned short int ar_hrd; /* Format of hardware address. */ + unsigned short int ar_pro; /* Format of protocol address. */ + unsigned char ar_hln; /* Length of hardware address. */ + unsigned char ar_pln; /* Length of protocol address. */ + unsigned short int 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 + }; + + +/* 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_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_PPP 512 +#define ARPHRD_HDLC 513 /* (Cisco) HDLC. */ +#define ARPHRD_LAPB 516 /* LAPB. */ + +#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. */ + + +/* 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]; + }; + +/* 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. */ +#define ATF_MAGIC 0x80 /* Automatically added entry. */ + + +/* Support for the user space arp daemon, arpd. */ +#define ARPD_UPDATE 0x01 +#define ARPD_LOOKUP 0x02 +#define ARPD_FLUSH 0x03 + +struct arpd_request + { + unsigned short int req; /* Request type. */ + u_int32_t ip; /* IP address of entry. */ + unsigned long int dev; /* Device entry is tied to. */ + unsigned long int stamp; + unsigned long int updated; + unsigned char ha[MAX_ADDR_LEN]; /* Hardware address. */ + }; + +__END_DECLS + +#endif /* net/if_arp.h */ |