00001 #ifndef _IP_H
00002 #define _IP_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: ip.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 #define INADDR_BROADCAST (u_long)0xffffffff
00072
00073 /*
00074 * Protocols
00075 */
00076 #define IPPROTO_IP 0 /*!< \brief Dummy for IP. */
00077 #define IPPROTO_ICMP 1 /*!< \brief Control message protocol. */
00078 #define IPPROTO_TCP 6 /*!< \brief Transmission control protocol. */
00079 #define IPPROTO_UDP 17 /*!< \brief User datagram protocol. */
00080
00081 #define IPVERSION 4 /*!< \brief IP protocol version. */
00082
00083 #define IP_DF 0x4000 /*!< \brief Don't fragment flag. */
00084 #define IP_MF 0x2000 /*!< \brief More fragments flag. */
00085 #define IP_OFFMASK 0x1fff /*!< \brief Mask for fragmenting bits. */
00086
00087 typedef struct ip {
00088 u_char ip_hl:4, /*!< \brief Header length. */
00089 ip_v:4; /*!< \brief Version. */
00090 u_char ip_tos; /*!< \brief Type of service. */
00091 short ip_len; /*!< \brief Total length. */
00092 u_short ip_id; /*!< \brief Identification. */
00093 short ip_off; /*!< \brief Fragment offset field. */
00094 u_char ip_ttl; /*!< \brief Time to live. */
00095 u_char ip_p; /*!< \brief Protocol. */
00096 u_short ip_sum; /*!< \brief Checksum. */
00097 u_long ip_src; /*!< \brief Source IP address. */
00098 u_long ip_dst; /*!< \brief Destination IP address. */
00099 } IPHDR;
00100
00101 /*@}*/
00102
00103 extern u_short IpChkSum(u_short partial_csum, void *buf, u_short count);
00104 extern int IpInput(u_char proto, u_short tms);
00105 extern int IpOutput(u_long dst, u_char proto, u_short len);
00106
00107 #endif