00001 #ifndef _NETINET_IF_ETHER_H_ 00002 #define _NETINET_IF_ETHER_H_ 00003 00004 /* 00005 * Copyright (C) 2001-2003 by egnite Software GmbH. All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 3. Neither the name of the copyright holders nor the names of 00017 * contributors may be used to endorse or promote products derived 00018 * from this software without specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00021 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00024 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00027 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00028 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00029 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00030 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00031 * SUCH DAMAGE. 00032 * 00033 * For additional information see http://www.ethernut.de/ 00034 * 00035 * - 00036 * Portions Copyright (C) 2000 David J. Hudson <dave@humbug.demon.co.uk> 00037 * 00038 * This file is distributed in the hope that it will be useful, but WITHOUT 00039 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00040 * FITNESS FOR A PARTICULAR PURPOSE. 00041 * 00042 * You can redistribute this file and/or modify it under the terms of the GNU 00043 * General Public License (GPL) as published by the Free Software Foundation; 00044 * either version 2 of the License, or (at your discretion) any later version. 00045 * See the accompanying file "copying-gpl.txt" for more details. 00046 * 00047 * As a special exception to the GPL, permission is granted for additional 00048 * uses of the text contained in this file. See the accompanying file 00049 * "copying-liquorice.txt" for details. 00050 * - 00051 * Portions Copyright (c) 1983, 1993 by 00052 * The Regents of the University of California. All rights reserved. 00053 * 00054 * Redistribution and use in source and binary forms, with or without 00055 * modification, are permitted provided that the following conditions 00056 * are met: 00057 * 1. Redistributions of source code must retain the above copyright 00058 * notice, this list of conditions and the following disclaimer. 00059 * 2. Redistributions in binary form must reproduce the above copyright 00060 * notice, this list of conditions and the following disclaimer in the 00061 * documentation and/or other materials provided with the distribution. 00062 * 3. Neither the name of the University nor the names of its contributors 00063 * may be used to endorse or promote products derived from this software 00064 * without specific prior written permission. 00065 * 00066 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 00067 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00068 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00069 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 00070 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00071 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00072 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00073 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00074 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00075 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00076 * SUCH DAMAGE. 00077 */ 00078 00079 /* 00080 * $Log: if_ether.h,v $ 00081 * Revision 1.5 2008/07/14 13:10:30 haraldkipp 00082 * Added macros to determine Ethernet address types. 00083 * 00084 * Revision 1.4 2006/08/01 07:41:01 haraldkipp 00085 * New functions ether_aton() and ether_ntoa() added. They convert the ASCII 00086 * representation of an Ethernet MAC address to its binary form and vice versa. 00087 * 00088 * Revision 1.3 2005/04/05 17:38:45 haraldkipp 00089 * ARM7 memory alignment bugs fixed. 00090 * 00091 * Revision 1.2 2004/03/16 16:48:28 haraldkipp 00092 * Added Jan Dubiec's H8/300 port. 00093 * 00094 * Revision 1.1.1.1 2003/05/09 14:41:13 haraldkipp 00095 * Initial using 3.2.1 00096 * 00097 * Revision 1.6 2003/02/04 18:00:45 harald 00098 * Version 3 released 00099 * 00100 * Revision 1.5 2002/06/26 17:29:21 harald 00101 * First pre-release with 2.4 stack 00102 * 00103 */ 00104 00105 #include <sys/types.h> 00106 #include <net/if_var.h> 00107 #include <net/if_arp.h> 00108 00116 #ifdef __cplusplus 00117 extern "C" { 00118 #endif 00119 00128 typedef struct __attribute__((packed)) ether_header { 00129 u_char ether_dhost[6]; 00130 u_char ether_shost[6]; 00131 u_short ether_type; 00132 } ETHERHDR; 00133 00134 #define ETHERTYPE_IP 0x0800 00135 #define ETHERTYPE_ARP 0x0806 00137 #define ETHERMTU 1500 00138 //#define ETHERMTU 576 00139 #define ETHERMIN (60-14) 00148 #define ETHER_IS_ZERO(ea) (((ea)[0] | (ea)[1] | (ea)[2] | (ea)[3] | (ea)[4] | (ea)[5]) == 0) 00149 00157 #define ETHER_IS_BROADCAST(ea) (((ea)[0] & (ea)[1] & (ea)[2] & (ea)[3] & (ea)[4] & (ea)[5]) == 0xFF) 00158 00168 #define ETHER_IS_MULTICAST(ea) ((ea)[0] & 1) 00169 00179 #define ETHER_IS_UNICAST(ea) (!ETHER_IS_ZERO(ea) && !ETHER_IS_MULTICAST(ea)) 00180 00181 extern u_char *ether_aton(CONST char *str); 00182 extern char *ether_ntoa(CONST u_char *mac); 00183 00184 00195 typedef struct __attribute__((packed)) ether_arp { 00196 ARPHDR ea_hdr; 00197 u_char arp_sha[6]; 00198 u_long arp_spa; 00199 u_char arp_tha[6]; 00200 u_long arp_tpa; 00201 } ETHERARP; 00202 00203 extern void NutArpInput(NUTDEVICE *dev, NETBUF *nb); 00204 00205 extern NETBUF *NutArpAllocNetBuf(u_short type, u_long ip, u_char *mac); 00206 extern int NutArpOutput(NUTDEVICE *dev, NETBUF *nb); 00207 00208 extern void NutArpCacheUpdate(NUTDEVICE *dev, u_long ip, u_char *ha); 00209 00210 extern int NutArpCacheQuery(NUTDEVICE *dev, u_long ip, u_char *mac); 00211 00212 #ifdef __cplusplus 00213 } 00214 #endif 00215 00216 #endif