89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/*
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ethernet.h -- missing Ethernet related definitions
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Copyright (C) 2005 Ivo Timmermans
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2006 Guus Sliepen <guus@tinc-vpn.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __TINC_ETHERNET_H__
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#define __TINC_ETHERNET_H__
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#ifndef ETH_ALEN
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#define ETH_ALEN 6
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#endif
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#ifndef ARPHRD_ETHER
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#define ARPHRD_ETHER 1
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#endif
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#ifndef ETH_P_IP
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#define ETH_P_IP 0x0800
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#endif
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#ifndef ETH_P_ARP
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#define ETH_P_ARP 0x0806
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#endif
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#ifndef ETH_P_IPV6
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#define ETH_P_IPV6 0x86DD
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#endif
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#ifndef ETH_P_8021Q
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#define ETH_P_8021Q 0x8100
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#endif
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#ifndef HAVE_STRUCT_ETHER_HEADER
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struct ether_header {
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uint8_t ether_dhost[ETH_ALEN];
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uint8_t ether_shost[ETH_ALEN];
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uint16_t ether_type;
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} __attribute__ ((__packed__));
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#endif
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#ifndef HAVE_STRUCT_ARPHDR
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struct arphdr {
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uint16_t ar_hrd;
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uint16_t ar_pro;
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uint8_t ar_hln;
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uint8_t ar_pln;
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uint16_t ar_op;
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} __attribute__ ((__packed__));
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#define ARPOP_REQUEST 1
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#define ARPOP_REPLY 2
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#define ARPOP_RREQUEST 3
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#define ARPOP_RREPLY 4
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#define ARPOP_InREQUEST 8
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#define ARPOP_InREPLY 9
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#define ARPOP_NAK 10
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#endif
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#ifndef HAVE_STRUCT_ETHER_ARP
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struct ether_arp {
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struct arphdr ea_hdr;
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uint8_t arp_sha[ETH_ALEN];
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uint8_t arp_spa[4];
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uint8_t arp_tha[ETH_ALEN];
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uint8_t arp_tpa[4];
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} __attribute__ ((__packed__));
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#define arp_hrd ea_hdr.ar_hrd
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#define arp_pro ea_hdr.ar_pro
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#define arp_hln ea_hdr.ar_hln
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#define arp_pln ea_hdr.ar_pln
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#define arp_op ea_hdr.ar_op
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#endif
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#endif /* __TINC_ETHERNET_H__ */
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