NetBSD/sys/netinet/dccp_cc_sw.h

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2015-02-10 22:11:52 +03:00
/* $KAME: dccp_cc_sw.h,v 1.6 2005/02/10 04:25:38 itojun Exp $ */
/* $NetBSD: dccp_cc_sw.h,v 1.1 2015/02/10 19:11:52 rjs Exp $ */
/*
* Copyright (c) 2003 Nils-Erik Mattsson
* All rights reserved.
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
* Id: dccp_cc_sw.h,v 1.13 2003/05/13 15:31:50 nilmat-8 Exp
*/
#ifndef _NETINET_DCCP_CC_SW_H_
#define _NETINET_DCCP_CC_SW_H_
/* All functions except inits has the ccb as first argument */
/* Sender side */
/* Init the sender side
* args: dccpcb of current connection
* returns: sender ccb
*/
typedef void * cc_send_init_t (struct dccpcb *);
/* Free the sender side */
typedef void cc_send_free_t (void *);
/* Ask the cc mechanism if dccp is allowed to send a packet
* args: the packet size (0 == ACK)
* returns: 1 if allowed to send, otherwise 0
*/
typedef int cc_send_packet_t (void *, long);
/* Inform the cc mechanism that a packet was sent
* args: if there exists more to send or not
* size of packet sent
*/
typedef void cc_send_packet_sent_t (void *, int, long);
/* Inform the cc mechanism (sender) that a packet has been received
* args: options and option length
*/
typedef void cc_send_packet_recv_t (void *, char *, int);
/* Receiver side */
/* Init the receiver side
* args: dccpcb of current connection
* returns: receiver ccb
*/
typedef void * cc_recv_init_t (struct dccpcb *);
/* Free the receiver side */
typedef void cc_recv_free_t (void *);
/* Inform the cc mechanism (receiver) that a packet was received
* args: options and option length
*/
typedef void cc_recv_packet_recv_t (void *, char *, int);
struct dccp_cc_sw {
/* Sender side */
cc_send_init_t *cc_send_init;
cc_send_free_t *cc_send_free;
cc_send_packet_t *cc_send_packet;
cc_send_packet_sent_t *cc_send_packet_sent;
cc_send_packet_recv_t *cc_send_packet_recv;
/* Receiver side */
cc_recv_init_t *cc_recv_init;
cc_recv_free_t *cc_recv_free;
cc_recv_packet_recv_t *cc_recv_packet_recv;
};
/* Max ccid (i.e. cc_sw has DCCP_CC_MAX_CCID+2 elements) */
#define DCCP_CC_MAX_CCID 2
#endif