1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009-2010 Lawrence Stewart <lstewart@freebsd.org> 5 * All rights reserved. 6 * 7 * This software was developed by Lawrence Stewart while studying at the Centre 8 * for Advanced Internet Architectures, Swinburne University of Technology, made 9 * possible in part by a grant from the Cisco University Research Program Fund 10 * at Community Foundation Silicon Valley. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 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_ */ 71