tinc/lib/ethernet.h

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2003-07-18 12:16:24 +00:00
/*
ethernet.h -- missing Ethernet related definitions
Copyright (C) 2003 Ivo Timmermans <ivo@o2w.nl>
2003 Guus Sliepen <guus@sliepen.eu.org>
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.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
2003-07-18 12:21:03 +00:00
$Id: ethernet.h,v 1.1.2.2 2003/07/18 12:21:02 guus Exp $
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*/
#ifndef __TINC_ETHERNET_H__
#define __TINC_ETHERNET_H__
#ifndef ETH_ALEN
#define ETH_ALEN 6
#endif
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#ifndef ETHER_ADDR_LEN
#define ETHER_ADDR_LEN 6
#endif
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#ifndef ARPHRD_ETHER
#define ARPHRD_ETHER 1
#endif
#ifndef ETHERTYPE_IP
#define ETHERTYPE_IP 0x0800
#endif
#ifndef HAVE_NET_IF_ARP_H
struct arphdr {
unsigned short int ar_hrd;
unsigned short int ar_pro;
unsigned char ar_hln;
unsigned char ar_pln;
unsigned short int ar_op;
};
#define ARPOP_REQUEST 1
#define ARPOP_REPLY 2
#define ARPOP_RREQUEST 3
#define ARPOP_RREPLY 4
#define ARPOP_InREQUEST 8
#define ARPOP_InREPLY 9
#define ARPOP_NAK 10
#endif
#ifndef HAVE_NETINET_IF_ETHER_H
struct ether_arp {
struct arphdr ea_hdr;
uint8_t arp_sha[ETH_ALEN];
uint8_t arp_spa[4];
uint8_t arp_tha[ETH_ALEN];
uint8_t arp_tpa[4];
};
#define arp_hrd ea_hdr.ar_hrd
#define arp_pro ea_hdr.ar_pro
#define arp_hln ea_hdr.ar_hln
#define arp_pln ea_hdr.ar_pln
#define arp_op ea_hdr.ar_op
#endif
#endif /* __TINC_ETHERNET_H__ */