180 lines
6.0 KiB
C
180 lines
6.0 KiB
C
/* $KAME: sctp_var.h,v 1.24 2005/03/06 16:04:19 itojun Exp $ */
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/* $NetBSD: sctp_var.h,v 1.3 2018/09/14 05:09:51 maxv Exp $ */
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/*
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* Copyright (c) 2001, 2002, 2003, 2004 Cisco Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Cisco Systems, Inc.
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* 4. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL CISCO SYSTEMS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NETINET_SCTP_VAR_H_
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#define _NETINET_SCTP_VAR_H_
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#include <sys/socketvar.h>
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#include <netinet/sctp_uio.h>
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/* SCTP Kernel structures */
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/*
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* Names for SCTP sysctl objects
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*/
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#ifndef __APPLE__
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#define SCTPCTL_MAXDGRAM 1 /* max datagram size */
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#define SCTPCTL_RECVSPACE 2 /* default receive buffer space */
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#define SCTPCTL_AUTOASCONF 3 /* auto asconf enable/disable flag */
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#define SCTPCTL_ECN_ENABLE 4 /* Is ecn allowed */
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#define SCTPCTL_ECN_NONCE 5 /* Is ecn nonce allowed */
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#define SCTPCTL_STRICT_SACK 6 /* strictly require sack'd TSN's to be
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* smaller than sndnxt.
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*/
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#define SCTPCTL_NOCSUM_LO 7 /* Require that the Loopback NOT have
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* the crc32 checksum on packets routed over
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* it.
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*/
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#define SCTPCTL_STRICT_INIT 8
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#define SCTPCTL_PEER_CHK_OH 9
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#define SCTPCTL_MAXBURST 10
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#define SCTPCTL_MAXCHUNKONQ 11
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#define SCTPCTL_DELAYED_SACK 12
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#define SCTPCTL_HB_INTERVAL 13
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#define SCTPCTL_PMTU_RAISE 14
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#define SCTPCTL_SHUTDOWN_GUARD 15
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#define SCTPCTL_SECRET_LIFETIME 16
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#define SCTPCTL_RTO_MAX 17
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#define SCTPCTL_RTO_MIN 18
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#define SCTPCTL_RTO_INITIAL 19
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#define SCTPCTL_INIT_RTO_MAX 20
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#define SCTPCTL_COOKIE_LIFE 21
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#define SCTPCTL_INIT_RTX_MAX 22
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#define SCTPCTL_ASSOC_RTX_MAX 23
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#define SCTPCTL_PATH_RTX_MAX 24
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#define SCTPCTL_NR_OUTGOING_STREAMS 25
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#ifdef SCTP_DEBUG
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#define SCTPCTL_DEBUG 26
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#endif
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#endif
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#if defined(_KERNEL)
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extern const struct pr_usrreqs sctp_usrreqs;
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int sctp_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
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struct mbuf *, struct lwp *);
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#define sctp_sbspace(sb) ((long) (((sb)->sb_hiwat > (sb)->sb_cc) ? ((sb)->sb_hiwat - (sb)->sb_cc) : 0))
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#define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
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extern int sctp_sendspace;
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extern int sctp_recvspace;
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extern int sctp_ecn;
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extern int sctp_ecn_nonce;
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#define sctp_ucount_incr(val) { \
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val++; \
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}
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#define sctp_ucount_decr(val) { \
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if (val > 0) { \
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val--; \
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} else { \
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val = 0; \
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} \
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}
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#define sctp_flight_size_decrease(tp1) do { \
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if (tp1->whoTo->flight_size >= tp1->book_size) \
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tp1->whoTo->flight_size -= tp1->book_size; \
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else \
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tp1->whoTo->flight_size = 0; \
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} while (0)
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#define sctp_flight_size_increase(tp1) do { \
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(tp1)->whoTo->flight_size += (tp1)->book_size; \
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} while (0)
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#define sctp_total_flight_decrease(stcb, tp1) do { \
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if (stcb->asoc.total_flight >= tp1->book_size) { \
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stcb->asoc.total_flight -= tp1->book_size; \
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if (stcb->asoc.total_flight_count > 0) \
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stcb->asoc.total_flight_count--; \
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} else { \
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stcb->asoc.total_flight = 0; \
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stcb->asoc.total_flight_count = 0; \
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} \
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} while (0)
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#define sctp_total_flight_increase(stcb, tp1) do { \
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(stcb)->asoc.total_flight_count++; \
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(stcb)->asoc.total_flight += (tp1)->book_size; \
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} while (0)
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struct sctp_nets;
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struct sctp_inpcb;
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struct sctp_tcb;
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struct sctphdr;
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void* sctp_ctlinput(int, const struct sockaddr *, void *);
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int sctp_ctloutput(int, struct socket *, struct sockopt *);
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void sctp_input(struct mbuf *, int, int);
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void sctp_drain(void);
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void sctp_init(void);
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int sctp_shutdown(struct socket *);
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void sctp_notify(struct sctp_inpcb *, int, struct sctphdr *,
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struct sockaddr *, struct sctp_tcb *,
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struct sctp_nets *);
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int sctp_rcvd(struct socket *, int, struct lwp *);
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int sctp_send(struct socket *, struct mbuf *, struct sockaddr *,
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struct mbuf *, struct lwp *);
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#if defined(INET6)
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void ip_2_ip6_hdr(struct ip6_hdr *, struct ip *);
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#endif
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int sctp_bindx(struct socket *, int, struct sockaddr_storage *,
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int, int, struct lwp *);
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/* can't use sctp_assoc_t here */
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int sctp_peeloff(struct socket *, struct socket *, int, vaddr_t, int *);
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sctp_assoc_t sctp_getassocid(struct sockaddr *);
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int sctp_sockaddr(struct socket *, struct sockaddr *);
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int sctp_peeraddr(struct socket *, struct sockaddr *);
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int sctp_listen(struct socket *, struct lwp *);
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int sctp_accept(struct socket *, struct sockaddr *);
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int sctp_sysctl(int *, u_int, void *, size_t *, void *, size_t);
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#endif /* _KERNEL */
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#endif /* !_NETINET_SCTP_VAR_H_ */
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