182 lines
6.1 KiB
C
182 lines
6.1 KiB
C
/* $KAME: sctp_var.h,v 1.24 2005/03/06 16:04:19 itojun Exp $ */
|
|
/* $NetBSD: sctp_var.h,v 1.4 2020/04/27 19:21:43 rjs Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2001, 2002, 2003, 2004 Cisco Systems, Inc.
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Cisco Systems, Inc.
|
|
* 4. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS 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 CISCO SYSTEMS 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.
|
|
*/
|
|
|
|
#ifndef _NETINET_SCTP_VAR_H_
|
|
#define _NETINET_SCTP_VAR_H_
|
|
|
|
#include <sys/socketvar.h>
|
|
#include <netinet/sctp_uio.h>
|
|
|
|
/* SCTP Kernel structures */
|
|
|
|
/*
|
|
* Names for SCTP sysctl objects
|
|
*/
|
|
#ifndef __APPLE__
|
|
#define SCTPCTL_MAXDGRAM 1 /* max datagram size */
|
|
#define SCTPCTL_RECVSPACE 2 /* default receive buffer space */
|
|
#define SCTPCTL_AUTOASCONF 3 /* auto asconf enable/disable flag */
|
|
#define SCTPCTL_ECN_ENABLE 4 /* Is ecn allowed */
|
|
#define SCTPCTL_ECN_NONCE 5 /* Is ecn nonce allowed */
|
|
#define SCTPCTL_STRICT_SACK 6 /* strictly require sack'd TSN's to be
|
|
* smaller than sndnxt.
|
|
*/
|
|
#define SCTPCTL_NOCSUM_LO 7 /* Require that the Loopback NOT have
|
|
* the crc32 checksum on packets routed over
|
|
* it.
|
|
*/
|
|
#define SCTPCTL_STRICT_INIT 8
|
|
#define SCTPCTL_PEER_CHK_OH 9
|
|
#define SCTPCTL_MAXBURST 10
|
|
#define SCTPCTL_MAXCHUNKONQ 11
|
|
#define SCTPCTL_DELAYED_SACK 12
|
|
#define SCTPCTL_HB_INTERVAL 13
|
|
#define SCTPCTL_PMTU_RAISE 14
|
|
#define SCTPCTL_SHUTDOWN_GUARD 15
|
|
#define SCTPCTL_SECRET_LIFETIME 16
|
|
#define SCTPCTL_RTO_MAX 17
|
|
#define SCTPCTL_RTO_MIN 18
|
|
#define SCTPCTL_RTO_INITIAL 19
|
|
#define SCTPCTL_INIT_RTO_MAX 20
|
|
#define SCTPCTL_COOKIE_LIFE 21
|
|
#define SCTPCTL_INIT_RTX_MAX 22
|
|
#define SCTPCTL_ASSOC_RTX_MAX 23
|
|
#define SCTPCTL_PATH_RTX_MAX 24
|
|
#define SCTPCTL_NR_OUTGOING_STREAMS 25
|
|
#ifdef SCTP_DEBUG
|
|
#define SCTPCTL_DEBUG 26
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#if defined(_KERNEL)
|
|
|
|
extern const struct pr_usrreqs sctp_usrreqs;
|
|
|
|
int sctp_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
|
|
struct mbuf *, struct lwp *);
|
|
|
|
#define sctp_sbspace(sb) ((long) (((sb)->sb_hiwat > (sb)->sb_cc) ? ((sb)->sb_hiwat - (sb)->sb_cc) : 0))
|
|
|
|
#define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
|
|
|
|
extern int sctp_sendspace;
|
|
extern int sctp_recvspace;
|
|
extern int sctp_ecn;
|
|
extern int sctp_ecn_nonce;
|
|
|
|
#define sctp_ucount_incr(val) { \
|
|
val++; \
|
|
}
|
|
|
|
#define sctp_ucount_decr(val) { \
|
|
if (val > 0) { \
|
|
val--; \
|
|
} else { \
|
|
val = 0; \
|
|
} \
|
|
}
|
|
|
|
#define sctp_flight_size_decrease(tp1) do { \
|
|
if (tp1->whoTo->flight_size >= tp1->book_size) \
|
|
tp1->whoTo->flight_size -= tp1->book_size; \
|
|
else \
|
|
tp1->whoTo->flight_size = 0; \
|
|
} while (0)
|
|
|
|
#define sctp_flight_size_increase(tp1) do { \
|
|
(tp1)->whoTo->flight_size += (tp1)->book_size; \
|
|
} while (0)
|
|
|
|
#define sctp_total_flight_decrease(stcb, tp1) do { \
|
|
if (stcb->asoc.total_flight >= tp1->book_size) { \
|
|
stcb->asoc.total_flight -= tp1->book_size; \
|
|
if (stcb->asoc.total_flight_count > 0) \
|
|
stcb->asoc.total_flight_count--; \
|
|
} else { \
|
|
stcb->asoc.total_flight = 0; \
|
|
stcb->asoc.total_flight_count = 0; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define sctp_total_flight_increase(stcb, tp1) do { \
|
|
(stcb)->asoc.total_flight_count++; \
|
|
(stcb)->asoc.total_flight += (tp1)->book_size; \
|
|
} while (0)
|
|
|
|
|
|
struct sctp_nets;
|
|
struct sctp_inpcb;
|
|
struct sctp_tcb;
|
|
struct sctphdr;
|
|
|
|
void* sctp_ctlinput(int, const struct sockaddr *, void *);
|
|
int sctp_ctloutput(int, struct socket *, struct sockopt *);
|
|
void sctp_input(struct mbuf *, int, int);
|
|
void sctp_drain(void);
|
|
void sctp_init(void);
|
|
int sctp_shutdown(struct socket *);
|
|
void sctp_notify(struct sctp_inpcb *, int, struct sctphdr *,
|
|
struct sockaddr *, struct sctp_tcb *,
|
|
struct sctp_nets *);
|
|
int sctp_rcvd(struct socket *, int, struct lwp *);
|
|
int sctp_send(struct socket *, struct mbuf *, struct sockaddr *,
|
|
struct mbuf *, struct lwp *);
|
|
|
|
#if defined(INET6)
|
|
void ip_2_ip6_hdr(struct ip6_hdr *, struct ip *);
|
|
#endif
|
|
|
|
int sctp_bindx(struct socket *, int, struct sockaddr_storage *,
|
|
int, int, struct lwp *);
|
|
int sctp_do_connect_x(struct socket *, struct sctp_connectx_addrs *,
|
|
struct lwp *, int);
|
|
|
|
/* can't use sctp_assoc_t here */
|
|
int sctp_peeloff(struct socket *, struct socket *, int, vaddr_t, int *);
|
|
|
|
|
|
sctp_assoc_t sctp_getassocid(struct sockaddr *);
|
|
int sctp_sockaddr(struct socket *, struct sockaddr *);
|
|
int sctp_peeraddr(struct socket *, struct sockaddr *);
|
|
int sctp_listen(struct socket *, struct lwp *);
|
|
int sctp_accept(struct socket *, struct sockaddr *);
|
|
|
|
int sctp_sysctl(int *, u_int, void *, size_t *, void *, size_t);
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_NETINET_SCTP_VAR_H_ */
|