api/tcputil_8h_source.html

00001 #ifndef _NETINET_TCPUTIL_H_
00002 #define _NETINET_TCPUTIL_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) 1983, 1993 by
00037  *  The Regents of the University of California.  All rights reserved.
00038  *
00039  * Redistribution and use in source and binary forms, with or without
00040  * modification, are permitted provided that the following conditions
00041  * are met:
00042  * 1. Redistributions of source code must retain the above copyright
00043  *    notice, this list of conditions and the following disclaimer.
00044  * 2. Redistributions in binary form must reproduce the above copyright
00045  *    notice, this list of conditions and the following disclaimer in the
00046  *    documentation and/or other materials provided with the distribution.
00047  * 3. Neither the name of the University nor the names of its contributors
00048  *    may be used to endorse or promote products derived from this software
00049  *    without specific prior written permission.
00050  *
00051  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00052  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00053  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00054  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00055  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00056  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00057  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00058  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00059  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00060  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00061  * SUCH DAMAGE.
00062  */
00063
00064 /*
00065  * $Log$
00066  * Revision 1.3  2008/08/11 07:00:23  haraldkipp
00067  * BSD types replaced by stdint types (feature request #1282721).
00068  *
00069  * Revision 1.2  2004/07/30 19:38:02  drsung
00070  * Added prototype of net function NutTcpCalcRtt.
00071  *
00072  * Revision 1.1.1.1  2003/05/09 14:41:17  haraldkipp
00073  * Initial using 3.2.1
00074  *
00075  * Revision 1.7  2003/02/04 18:00:46  harald
00076  * Version 3 released
00077  *
00078  * Revision 1.6  2002/06/26 17:29:22  harald
00079  * First pre-release with 2.4 stack
00080  *
00081  */
00082
00083 #include <sys/device.h>
00084 #include <sys/sock_var.h>
00085
00091 #ifdef __cplusplus
00092 extern "C" {
00093 #endif
00094
00100 #define SeqIsBetween(x, low, high) \
00101   ((uint32_t)(x - low) <= (uint32_t)(high - low))
00102
00110 #define SeqIsAfter(x, low) \
00111   ((int32_t)(low - x) < 0)
00112
00113 extern void NutTcpCalcRtt(TCPSOCKET * sock);
00114
00115 #ifdef __cplusplus
00116 }
00117 #endif
00118
00119 #endif