00001 /* 00002 * Copyright (c) 2006-2007 by the Protocol Engineering Lab, U of Delaware 00003 * All rights reserved. 00004 * 00005 * Protocol Engineering Lab web page : http://pel.cis.udel.edu/ 00006 * 00007 * Paul D. Amer <amer@@cis,udel,edu> 00008 * Armando L. Caro Jr. <acaro@@cis,udel,edu> 00009 * 00010 * Redistribution and use in source and binary forms, with or without 00011 * modification, are permitted provided that the following conditions 00012 * are met: 00013 * 00014 * 1. Redistributions of source code must retain the above copyright 00015 * notice, this list of conditions and the following disclaimer. 00016 * 00017 * 2. Redistributions in binary form must reproduce the above copyright 00018 * notice, this list of conditions and the following disclaimer in the 00019 * documentation and/or other materials provided with the distribution. 00020 * 00021 * 3. Neither the name of the University nor of the Laboratory may be used 00022 * to endorse or promote products derived from this software without 00023 * specific prior written permission. 00024 * 00025 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 00026 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00027 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00028 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 00029 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00030 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00031 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00032 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00033 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00034 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00035 * SUCH DAMAGE. 00036 * 00037 * @(#) $Header: /cvsroot/nsnam/ns-2/sctp/sctp-newreno.h,v 1.2 2007/06/17 21:44:41 tom_henderson Exp $ (UD/PEL) 00038 */ 00039 00040 /* NewReno extension introduces a recover state variable per destination 00041 * similar to avoid multiple cwnd cuts in a single window (ie, round 00042 * trip). The concept is borrowed from TCP NewReno. 00043 */ 00044 00045 #ifndef ns_sctp_newreno_h 00046 #define ns_sctp_newreno_h 00047 00048 #include "sctp.h" 00049 00050 class NewRenoSctpAgent : public virtual SctpAgent 00051 { 00052 public: 00053 NewRenoSctpAgent(); 00054 00055 protected: 00056 virtual void delay_bind_init_all(); 00057 virtual int delay_bind_dispatch(const char *varName, const char *localName, 00058 TclObject *tracer); 00059 00060 /* initialization stuff 00061 */ 00062 virtual void OptionReset(); 00063 00064 /* sending functions 00065 */ 00066 virtual void SendBufferDequeueUpTo(u_int); 00067 virtual void FastRtx(); 00068 00069 /* processing functions 00070 */ 00071 virtual Boolean_E ProcessGapAckBlocks(u_char *, Boolean_E); 00072 virtual void ProcessSackChunk(u_char *); 00073 00074 u_int uiRecover; 00075 u_int uiHighestTsnNewlyAcked; /* global now for NewReno's HTNA */ 00076 }; 00077 00078 #endif