Modernize the build system.

[tinc] / src / ethernet.h

diff --git a/src/ethernet.h b/src/ethernet.h
new file mode 100644 (file)
index 0000000..8bf2b03
--- /dev/null
+++ b/src/ethernet.h
@@ -0,0 +1,89 @@
+/*
+    ethernet.h -- missing Ethernet related definitions
+    Copyright (C) 2005 Ivo Timmermans
+                  2006 Guus Sliepen <guus@tinc-vpn.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.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef __TINC_ETHERNET_H__
+#define __TINC_ETHERNET_H__
+
+#ifndef ETH_ALEN
+#define ETH_ALEN 6
+#endif
+
+#ifndef ARPHRD_ETHER
+#define ARPHRD_ETHER 1
+#endif
+
+#ifndef ETH_P_IP
+#define ETH_P_IP 0x0800
+#endif
+
+#ifndef ETH_P_ARP
+#define ETH_P_ARP 0x0806
+#endif
+
+#ifndef ETH_P_IPV6
+#define ETH_P_IPV6 0x86DD
+#endif
+
+#ifndef ETH_P_8021Q
+#define ETH_P_8021Q 0x8100
+#endif
+
+#ifndef HAVE_STRUCT_ETHER_HEADER
+struct ether_header {
+       uint8_t ether_dhost[ETH_ALEN];
+       uint8_t ether_shost[ETH_ALEN];
+       uint16_t ether_type;
+} __attribute__ ((__packed__));
+#endif
+
+#ifndef HAVE_STRUCT_ARPHDR
+struct arphdr {
+       uint16_t ar_hrd;
+       uint16_t ar_pro;
+       uint8_t ar_hln;
+       uint8_t ar_pln; 
+       uint16_t ar_op; 
+} __attribute__ ((__packed__));
+
+#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_STRUCT_ETHER_ARP
+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];
+} __attribute__ ((__packed__));
+#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__ */