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/*-
* Copyright (c) 2009-2010 Lawrence Stewart <lstewart@freebsd.org>
* All rights reserved.
*
* This software was developed by Lawrence Stewart while studying at the Centre
* for Advanced Internet Architectures, Swinburne University of Technology, made
* possible in part by a grant from the Cisco University Research Program Fund
* at Community Foundation Silicon Valley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* This software was first released in 2009 by Lawrence Stewart as part of the
* NewTCP research project at Swinburne University of Technology's Centre for
* Advanced Internet Architectures, Melbourne, Australia, which was made
* possible in part by a grant from the Cisco University Research Program Fund
* at Community Foundation Silicon Valley. More details are available at:
* http://caia.swin.edu.au/urp/newtcp/
*/
#ifndef TCPLP_NETINET_CC_MODULE_H_
#define TCPLP_NETINET_CC_MODULE_H_
/* samkumar: This was already commented out in FreeBSD (I didn't do it). */
/*
* Allows a CC algorithm to manipulate a commonly named CC variable regardless
* of the transport protocol and associated C struct.
* XXXLAS: Out of action until the work to support SCTP is done.
*
#define CCV(ccv, what) \
(*( \
(ccv)->type == IPPROTO_TCP ? &(ccv)->ccvc.tcp->what : \
&(ccv)->ccvc.sctp->what \
))
*/
#define CCV(ccv, what) (ccv)->ccvc.tcp->what
/*
* samkumar: I've commented this out (using #if 0) because our current TCPlp
* implementation hardcodes New Reno. Thus, we don't need FreeBSD's "module"
* mechanism to choose a congestion control algorithm.
*/
#if 0
#define DECLARE_CC_MODULE(ccname, ccalgo) \
static moduledata_t cc_##ccname = { \
.name = #ccname, \
.evhand = cc_modevent, \
.priv = ccalgo \
}; \
DECLARE_MODULE(ccname, cc_##ccname, \
SI_SUB_PROTO_IFATTACHDOMAIN, SI_ORDER_ANY)
int cc_modevent(module_t mod, int type, void *data);
#endif
#endif /* _NETINET_CC_MODULE_H_ */