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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/sctp/src/netinet/sctp_var.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/sctp/src/netinet/sctp_var.h')
-rwxr-xr-xnetwerk/sctp/src/netinet/sctp_var.h506
1 files changed, 506 insertions, 0 deletions
diff --git a/netwerk/sctp/src/netinet/sctp_var.h b/netwerk/sctp/src/netinet/sctp_var.h
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index 000000000..fcc954ebd
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+++ b/netwerk/sctp/src/netinet/sctp_var.h
@@ -0,0 +1,506 @@
+/*-
+ * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
+ * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
+ * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * a) Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * b) 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.
+ *
+ * c) Neither the name of Cisco Systems, Inc. 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 THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ */
+
+#ifdef __FreeBSD__
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: head/sys/netinet/sctp_var.h 275427 2014-12-02 20:29:29Z tuexen $");
+#endif
+
+#ifndef _NETINET_SCTP_VAR_H_
+#define _NETINET_SCTP_VAR_H_
+
+#include <netinet/sctp_uio.h>
+
+#if defined(_KERNEL) || defined(__Userspace__)
+
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+extern struct pr_usrreqs sctp_usrreqs;
+#endif
+
+
+#define sctp_feature_on(inp, feature) (inp->sctp_features |= feature)
+#define sctp_feature_off(inp, feature) (inp->sctp_features &= ~feature)
+#define sctp_is_feature_on(inp, feature) ((inp->sctp_features & feature) == feature)
+#define sctp_is_feature_off(inp, feature) ((inp->sctp_features & feature) == 0)
+
+#define sctp_stcb_feature_on(inp, stcb, feature) {\
+ if (stcb) { \
+ stcb->asoc.sctp_features |= feature; \
+ } else if (inp) { \
+ inp->sctp_features |= feature; \
+ } \
+}
+#define sctp_stcb_feature_off(inp, stcb, feature) {\
+ if (stcb) { \
+ stcb->asoc.sctp_features &= ~feature; \
+ } else if (inp) { \
+ inp->sctp_features &= ~feature; \
+ } \
+}
+#define sctp_stcb_is_feature_on(inp, stcb, feature) \
+ (((stcb != NULL) && \
+ ((stcb->asoc.sctp_features & feature) == feature)) || \
+ ((stcb == NULL) && (inp != NULL) && \
+ ((inp->sctp_features & feature) == feature)))
+#define sctp_stcb_is_feature_off(inp, stcb, feature) \
+ (((stcb != NULL) && \
+ ((stcb->asoc.sctp_features & feature) == 0)) || \
+ ((stcb == NULL) && (inp != NULL) && \
+ ((inp->sctp_features & feature) == 0)) || \
+ ((stcb == NULL) && (inp == NULL)))
+
+/* managing mobility_feature in inpcb (by micchie) */
+#define sctp_mobility_feature_on(inp, feature) (inp->sctp_mobility_features |= feature)
+#define sctp_mobility_feature_off(inp, feature) (inp->sctp_mobility_features &= ~feature)
+#define sctp_is_mobility_feature_on(inp, feature) (inp->sctp_mobility_features & feature)
+#define sctp_is_mobility_feature_off(inp, feature) ((inp->sctp_mobility_features & feature) == 0)
+
+#define sctp_maxspace(sb) (max((sb)->sb_hiwat,SCTP_MINIMAL_RWND))
+
+#define sctp_sbspace(asoc, sb) ((long) ((sctp_maxspace(sb) > (asoc)->sb_cc) ? (sctp_maxspace(sb) - (asoc)->sb_cc) : 0))
+
+#define sctp_sbspace_failedmsgs(sb) ((long) ((sctp_maxspace(sb) > (sb)->sb_cc) ? (sctp_maxspace(sb) - (sb)->sb_cc) : 0))
+
+#define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
+
+/*
+ * I tried to cache the readq entries at one point. But the reality
+ * is that it did not add any performance since this meant we had to
+ * lock the STCB on read. And at that point once you have to do an
+ * extra lock, it really does not matter if the lock is in the ZONE
+ * stuff or in our code. Note that this same problem would occur with
+ * an mbuf cache as well so it is not really worth doing, at least
+ * right now :-D
+ */
+
+#define sctp_free_a_readq(_stcb, _readq) { \
+ SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_readq), (_readq)); \
+ SCTP_DECR_READQ_COUNT(); \
+}
+
+#define sctp_alloc_a_readq(_stcb, _readq) { \
+ (_readq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_readq), struct sctp_queued_to_read); \
+ if ((_readq)) { \
+ SCTP_INCR_READQ_COUNT(); \
+ } \
+}
+
+#define sctp_free_a_strmoq(_stcb, _strmoq, _so_locked) { \
+ if ((_strmoq)->holds_key_ref) { \
+ sctp_auth_key_release(stcb, sp->auth_keyid, _so_locked); \
+ (_strmoq)->holds_key_ref = 0; \
+ } \
+ SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_strmoq), (_strmoq)); \
+ SCTP_DECR_STRMOQ_COUNT(); \
+}
+
+#define sctp_alloc_a_strmoq(_stcb, _strmoq) { \
+ (_strmoq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_strmoq), struct sctp_stream_queue_pending); \
+ if ((_strmoq)) { \
+ memset(_strmoq, 0, sizeof(struct sctp_stream_queue_pending)); \
+ SCTP_INCR_STRMOQ_COUNT(); \
+ (_strmoq)->holds_key_ref = 0; \
+ } \
+}
+
+#define sctp_free_a_chunk(_stcb, _chk, _so_locked) { \
+ if ((_chk)->holds_key_ref) {\
+ sctp_auth_key_release((_stcb), (_chk)->auth_keyid, _so_locked); \
+ (_chk)->holds_key_ref = 0; \
+ } \
+ if (_stcb) { \
+ SCTP_TCB_LOCK_ASSERT((_stcb)); \
+ if ((_chk)->whoTo) { \
+ sctp_free_remote_addr((_chk)->whoTo); \
+ (_chk)->whoTo = NULL; \
+ } \
+ if (((_stcb)->asoc.free_chunk_cnt > SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit)) || \
+ (SCTP_BASE_INFO(ipi_free_chunks) > SCTP_BASE_SYSCTL(sctp_system_free_resc_limit))) { \
+ SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
+ SCTP_DECR_CHK_COUNT(); \
+ } else { \
+ TAILQ_INSERT_TAIL(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
+ (_stcb)->asoc.free_chunk_cnt++; \
+ atomic_add_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
+ } \
+ } else { \
+ SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
+ SCTP_DECR_CHK_COUNT(); \
+ } \
+}
+
+#define sctp_alloc_a_chunk(_stcb, _chk) { \
+ if (TAILQ_EMPTY(&(_stcb)->asoc.free_chunks)) { \
+ (_chk) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_chunk), struct sctp_tmit_chunk); \
+ if ((_chk)) { \
+ SCTP_INCR_CHK_COUNT(); \
+ (_chk)->whoTo = NULL; \
+ (_chk)->holds_key_ref = 0; \
+ } \
+ } else { \
+ (_chk) = TAILQ_FIRST(&(_stcb)->asoc.free_chunks); \
+ TAILQ_REMOVE(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
+ atomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
+ (_chk)->holds_key_ref = 0; \
+ SCTP_STAT_INCR(sctps_cached_chk); \
+ (_stcb)->asoc.free_chunk_cnt--; \
+ } \
+}
+
+#if defined(__FreeBSD__) && __FreeBSD_version > 500000
+
+#define sctp_free_remote_addr(__net) { \
+ if ((__net)) { \
+ if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \
+ (void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
+ (void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
+ if ((__net)->ro.ro_rt) { \
+ RTFREE((__net)->ro.ro_rt); \
+ (__net)->ro.ro_rt = NULL; \
+ } \
+ if ((__net)->src_addr_selected) { \
+ sctp_free_ifa((__net)->ro._s_addr); \
+ (__net)->ro._s_addr = NULL; \
+ } \
+ (__net)->src_addr_selected = 0; \
+ (__net)->dest_state &= ~SCTP_ADDR_REACHABLE; \
+ SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \
+ SCTP_DECR_RADDR_COUNT(); \
+ } \
+ } \
+}
+
+#define sctp_sbfree(ctl, stcb, sb, m) { \
+ SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
+ SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \
+ if (((ctl)->do_not_ref_stcb == 0) && stcb) {\
+ SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
+ SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
+ } \
+ if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
+ SCTP_BUF_TYPE(m) != MT_OOBDATA) \
+ atomic_subtract_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
+}
+
+#define sctp_sballoc(stcb, sb, m) { \
+ atomic_add_int(&(sb)->sb_cc,SCTP_BUF_LEN((m))); \
+ atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
+ if (stcb) { \
+ atomic_add_int(&(stcb)->asoc.sb_cc,SCTP_BUF_LEN((m))); \
+ atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
+ } \
+ if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
+ SCTP_BUF_TYPE(m) != MT_OOBDATA) \
+ atomic_add_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
+}
+
+#else /* FreeBSD Version <= 500000 or non-FreeBSD */
+
+#define sctp_free_remote_addr(__net) { \
+ if ((__net)) { \
+ if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \
+ (void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
+ (void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
+ (void)SCTP_OS_TIMER_STOP(&(__net)->hb_timer.timer); \
+ if ((__net)->ro.ro_rt) { \
+ RTFREE((__net)->ro.ro_rt); \
+ (__net)->ro.ro_rt = NULL; \
+ } \
+ if ((__net)->src_addr_selected) { \
+ sctp_free_ifa((__net)->ro._s_addr); \
+ (__net)->ro._s_addr = NULL; \
+ } \
+ (__net)->src_addr_selected = 0; \
+ (__net)->dest_state &=~SCTP_ADDR_REACHABLE; \
+ SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \
+ SCTP_DECR_RADDR_COUNT(); \
+ } \
+ } \
+}
+
+#if defined(__Panda__)
+#define sctp_sbfree(ctl, stcb, sb, m) { \
+ if ((sb)->sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \
+ atomic_subtract_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
+ } else { \
+ (sb)->sb_cc = 0; \
+ } \
+ if (((ctl)->do_not_ref_stcb == 0) && stcb) { \
+ if ((stcb)->asoc.sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \
+ atomic_subtract_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
+ } else { \
+ (stcb)->asoc.sb_cc = 0; \
+ } \
+ } \
+}
+
+#define sctp_sballoc(stcb, sb, m) { \
+ atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
+ if (stcb) { \
+ atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
+ } \
+}
+
+#else
+
+#define sctp_sbfree(ctl, stcb, sb, m) { \
+ SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
+ SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \
+ if (((ctl)->do_not_ref_stcb == 0) && stcb) { \
+ SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
+ SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
+ } \
+}
+
+#define sctp_sballoc(stcb, sb, m) { \
+ atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
+ atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
+ if (stcb) { \
+ atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
+ atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
+ } \
+}
+#endif
+#endif
+
+#define sctp_ucount_incr(val) { \
+ val++; \
+}
+
+#define sctp_ucount_decr(val) { \
+ if (val > 0) { \
+ val--; \
+ } else { \
+ val = 0; \
+ } \
+}
+
+#define sctp_mbuf_crush(data) do { \
+ struct mbuf *_m; \
+ _m = (data); \
+ while (_m && (SCTP_BUF_LEN(_m) == 0)) { \
+ (data) = SCTP_BUF_NEXT(_m); \
+ SCTP_BUF_NEXT(_m) = NULL; \
+ sctp_m_free(_m); \
+ _m = (data); \
+ } \
+} while (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)
+
+#ifdef SCTP_FS_SPEC_LOG
+#define sctp_total_flight_decrease(stcb, tp1) do { \
+ if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
+ stcb->asoc.fs_index = 0;\
+ stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].incr = 0; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].decr = 1; \
+ stcb->asoc.fs_index++; \
+ tp1->window_probe = 0; \
+ 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 { \
+ if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
+ stcb->asoc.fs_index = 0;\
+ stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].incr = 1; \
+ stcb->asoc.fslog[stcb->asoc.fs_index].decr = 0; \
+ stcb->asoc.fs_index++; \
+ (stcb)->asoc.total_flight_count++; \
+ (stcb)->asoc.total_flight += (tp1)->book_size; \
+} while (0)
+
+#else
+
+#define sctp_total_flight_decrease(stcb, tp1) do { \
+ tp1->window_probe = 0; \
+ 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)
+
+#endif
+
+#define SCTP_PF_ENABLED(_net) (_net->pf_threshold < _net->failure_threshold)
+#define SCTP_NET_IS_PF(_net) (_net->pf_threshold < _net->error_count)
+
+struct sctp_nets;
+struct sctp_inpcb;
+struct sctp_tcb;
+struct sctphdr;
+
+
+#if (defined(__FreeBSD__) && __FreeBSD_version > 690000) || defined(__Windows__) || defined(__Userspace__)
+void sctp_close(struct socket *so);
+#else
+int sctp_detach(struct socket *so);
+#endif
+int sctp_disconnect(struct socket *so);
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+#if defined(__FreeBSD__) && __FreeBSD_version < 902000
+void sctp_ctlinput __P((int, struct sockaddr *, void *));
+int sctp_ctloutput __P((struct socket *, struct sockopt *));
+#ifdef INET
+void sctp_input_with_port __P((struct mbuf *, int, uint16_t));
+void sctp_input __P((struct mbuf *, int));
+#endif
+void sctp_pathmtu_adjustment __P((struct sctp_tcb *, uint16_t));
+#else
+void sctp_ctlinput(int, struct sockaddr *, void *);
+int sctp_ctloutput(struct socket *, struct sockopt *);
+#ifdef INET
+void sctp_input_with_port(struct mbuf *, int, uint16_t);
+#if defined(__FreeBSD__) && __FreeBSD_version >= 1100020
+int sctp_input(struct mbuf **, int *, int);
+#else
+void sctp_input(struct mbuf *, int);
+#endif
+#endif
+void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
+#endif
+#else
+#if defined(__Panda__)
+void sctp_input(pakhandle_type i_pak);
+#elif defined(__Userspace__)
+void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
+#else
+void sctp_input(struct mbuf *,...);
+#endif
+void *sctp_ctlinput(int, struct sockaddr *, void *);
+int sctp_ctloutput(int, struct socket *, int, int, struct mbuf **);
+#endif
+#if defined(__FreeBSD__) && __FreeBSD_version < 902000
+void sctp_drain __P((void));
+#else
+void sctp_drain(void);
+#endif
+#if defined(__Userspace__)
+void sctp_init(uint16_t,
+ int (*)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df),
+ void (*)(const char *, ...));
+#elif defined(__FreeBSD__) && __FreeBSD_version < 902000
+void sctp_init __P((void));
+#elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION))
+void sctp_init(struct protosw *pp, struct domain *dp);
+#else
+void sctp_init(void);
+#endif
+void sctp_finish(void);
+#if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
+int sctp_flush(struct socket *, int);
+#endif
+#if defined(__FreeBSD__) && __FreeBSD_version < 902000
+int sctp_shutdown __P((struct socket *));
+void sctp_notify __P((struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
+ struct sockaddr *, struct sctp_tcb *,
+ struct sctp_nets *));
+#else
+int sctp_shutdown(struct socket *);
+void sctp_notify(struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
+ struct sockaddr *, struct sctp_tcb *,
+ struct sctp_nets *);
+#endif
+int sctp_bindx(struct socket *, int, struct sockaddr_storage *,
+ int, int, struct proc *);
+/* can't use sctp_assoc_t here */
+int sctp_peeloff(struct socket *, struct socket *, int, caddr_t, int *);
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+int sctp_ingetaddr(struct socket *, struct sockaddr **);
+#elif defined(__Panda__)
+int sctp_ingetaddr(struct socket *, struct sockaddr *);
+#else
+int sctp_ingetaddr(struct socket *, struct mbuf *);
+#endif
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
+int sctp_peeraddr(struct socket *, struct sockaddr **);
+#elif defined(__Panda__)
+int sctp_peeraddr(struct socket *, struct sockaddr *);
+#else
+int sctp_peeraddr(struct socket *, struct mbuf *);
+#endif
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
+#if __FreeBSD_version >= 700000
+int sctp_listen(struct socket *, int, struct thread *);
+#else
+int sctp_listen(struct socket *, struct thread *);
+#endif
+#elif defined(__Windows__)
+int sctp_listen(struct socket *, int, PKTHREAD);
+#elif defined(__Userspace__)
+int sctp_listen(struct socket *, int, struct proc *);
+#else
+int sctp_listen(struct socket *, struct proc *);
+#endif
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
+int sctp_accept(struct socket *, struct sockaddr **);
+#elif defined(__Panda__)
+int sctp_accept(struct socket *, struct sockaddr *, int *, void *, int *);
+#else
+int sctp_accept(struct socket *, struct mbuf *);
+#endif
+
+#endif /* _KERNEL */
+
+#endif /* !_NETINET_SCTP_VAR_H_ */