cc_module.h

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    1 /*-
    2  * Copyright (c) 2009-2010 Lawrence Stewart <lstewart@freebsd.org>
    3  * All rights reserved.
    4  *
    5  * This software was developed by Lawrence Stewart while studying at the Centre
    6  * for Advanced Internet Architectures, Swinburne University of Technology, made
    7  * possible in part by a grant from the Cisco University Research Program Fund
    8  * at Community Foundation Silicon Valley.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  * $FreeBSD: releng/10.3/sys/netinet/cc/cc_module.h 220560 2011-04-12 08:13:18Z lstewart $
   32  */
   33 
   34 /*
   35  * This software was first released in 2009 by Lawrence Stewart as part of the
   36  * NewTCP research project at Swinburne University of Technology's Centre for
   37  * Advanced Internet Architectures, Melbourne, Australia, which was made
   38  * possible in part by a grant from the Cisco University Research Program Fund
   39  * at Community Foundation Silicon Valley. More details are available at:
   40  *   http://caia.swin.edu.au/urp/newtcp/
   41  */
   42 
   43 #ifndef _NETINET_CC_MODULE_H_
   44 #define _NETINET_CC_MODULE_H_
   45 
   46 /*
   47  * Allows a CC algorithm to manipulate a commonly named CC variable regardless
   48  * of the transport protocol and associated C struct.
   49  * XXXLAS: Out of action until the work to support SCTP is done.
   50  *
   51 #define CCV(ccv, what)                                                  \
   52 (*(                                                                     \
   53         (ccv)->type == IPPROTO_TCP ?    &(ccv)->ccvc.tcp->what :        \
   54                                         &(ccv)->ccvc.sctp->what         \
   55 ))
   56  */
   57 #define CCV(ccv, what) (ccv)->ccvc.tcp->what
   58 
   59 #define DECLARE_CC_MODULE(ccname, ccalgo)                               \
   60         static moduledata_t cc_##ccname = {                             \
   61                 .name = #ccname,                                        \
   62                 .evhand = cc_modevent,                                  \
   63                 .priv = ccalgo                                          \
   64         };                                                              \
   65         DECLARE_MODULE(ccname, cc_##ccname,                             \
   66             SI_SUB_PROTO_IFATTACHDOMAIN, SI_ORDER_ANY)
   67 
   68 int     cc_modevent(module_t mod, int type, void *data);
   69 
   70 #endif /* _NETINET_CC_MODULE_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/netinet/cc/cc_module.h

FreeBSD/Linux Kernel Cross Reference
sys/netinet/cc/cc_module.h