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C:/proj/src/ethernut/nut/eboot/ether.h

00001 #ifndef _ETHER_H
00002 #define _ETHER_H
00003 
00004 /*
00005  * Copyright (C) 2001-2002 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. All advertising materials mentioning features or use of this
00017  *    software must display the following acknowledgement:
00018  *
00019  *    This product includes software developed by egnite Software GmbH
00020  *    and its contributors.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00023  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00024  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00025  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00026  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00027  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00028  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00029  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00030  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00031  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00032  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00033  * SUCH DAMAGE.
00034  *
00035  * For additional information see http://www.ethernut.de/
00036  *
00037  * -
00038  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
00039  *
00040  * Permission to use, copy, modify, and distribute this software for any
00041  * purpose with or without fee is hereby granted, provided that the above
00042  * copyright notice and this permission notice appear in all copies, and that
00043  * the name of Digital Equipment Corporation not be used in advertising or
00044  * publicity pertaining to distribution of the document or software without
00045  * specific, written prior permission.
00046  * 
00047  * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
00048  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
00049  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
00050  * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
00051  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
00052  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
00053  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
00054  * SOFTWARE.
00055  */
00056 
00057 /*
00058  * $Log: ether.h,v $
00059  * Revision 1.1  2002/08/01 17:34:30  harald
00060  * First check in
00061  *
00062  */
00063 
00064 #include "types.h"
00065 
00066 /*!
00067  * \addtogroup xgStack
00068  */
00069 /*@{*/
00070 
00071 /*
00072  * All types in network byte order.
00073  */
00074 #define ETHERTYPE_IP    0x0008  /*!< \brief IP protocol */
00075 #define ETHERTYPE_ARP   0x0608  /*!< \brief Address resolution protocol */
00076 
00077 typedef struct ether_header {
00078     u_char  ether_dhost[6];     /*!< \brief Destination MAC address. */
00079     u_char  ether_shost[6];     /*!< \brief Source MAC address. */
00080     u_short ether_type;         /*!< \brief Protocol type. */
00081 } ETHERHDR;
00082 
00083 /*@}*/
00084 
00085 extern u_char mac[6];
00086 
00087 extern void NicInit(void);
00088 extern int EtherOutput(u_char *dest, u_short type, u_short len);
00089 extern int EtherInput(u_short type, u_short tms);
00090 
00091 #endif
00092 

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