1/*-
2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * a) Redistributions of source code must retain the above copyright notice,
10 *    this list of conditions and the following disclaimer.
11 *
12 * b) Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in
14 *    the documentation and/or other materials provided with the distribution.
15 *
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 *    contributors may be used to endorse or promote products derived
18 *    from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#ifdef __FreeBSD__
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: head/sys/netinet/sctp_var.h 269699 2014-08-08 01:57:15Z kevlo $");
36#endif
37
38#ifndef _NETINET_SCTP_VAR_H_
39#define _NETINET_SCTP_VAR_H_
40
41#include <netinet/sctp_uio.h>
42
43#if defined(_KERNEL) || defined(__Userspace__)
44
45#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
46extern struct pr_usrreqs sctp_usrreqs;
47#endif
48
49
50#define sctp_feature_on(inp, feature)  (inp->sctp_features |= feature)
51#define sctp_feature_off(inp, feature) (inp->sctp_features &= ~feature)
52#define sctp_is_feature_on(inp, feature) ((inp->sctp_features & feature) == feature)
53#define sctp_is_feature_off(inp, feature) ((inp->sctp_features & feature) == 0)
54
55#define sctp_stcb_feature_on(inp, stcb, feature) {\
56	if (stcb) { \
57		stcb->asoc.sctp_features |= feature; \
58	} else if (inp) { \
59		inp->sctp_features |= feature; \
60	} \
61}
62#define sctp_stcb_feature_off(inp, stcb, feature) {\
63	if (stcb) { \
64		stcb->asoc.sctp_features &= ~feature; \
65	} else if (inp) { \
66		inp->sctp_features &= ~feature; \
67	} \
68}
69#define sctp_stcb_is_feature_on(inp, stcb, feature) \
70	(((stcb != NULL) && \
71	  ((stcb->asoc.sctp_features & feature) == feature)) || \
72	 ((stcb == NULL) && (inp != NULL) && \
73	  ((inp->sctp_features & feature) == feature)))
74#define sctp_stcb_is_feature_off(inp, stcb, feature) \
75	(((stcb != NULL) && \
76	  ((stcb->asoc.sctp_features & feature) == 0)) || \
77	 ((stcb == NULL) && (inp != NULL) && \
78	  ((inp->sctp_features & feature) == 0)) || \
79	 ((stcb == NULL) && (inp == NULL)))
80
81/* managing mobility_feature in inpcb (by micchie) */
82#define sctp_mobility_feature_on(inp, feature)  (inp->sctp_mobility_features |= feature)
83#define sctp_mobility_feature_off(inp, feature) (inp->sctp_mobility_features &= ~feature)
84#define sctp_is_mobility_feature_on(inp, feature) (inp->sctp_mobility_features & feature)
85#define sctp_is_mobility_feature_off(inp, feature) ((inp->sctp_mobility_features & feature) == 0)
86
87#define sctp_maxspace(sb) (max((sb)->sb_hiwat,SCTP_MINIMAL_RWND))
88
89#define	sctp_sbspace(asoc, sb) ((long) ((sctp_maxspace(sb) > (asoc)->sb_cc) ? (sctp_maxspace(sb) - (asoc)->sb_cc) : 0))
90
91#define	sctp_sbspace_failedmsgs(sb) ((long) ((sctp_maxspace(sb) > (sb)->sb_cc) ? (sctp_maxspace(sb) - (sb)->sb_cc) : 0))
92
93#define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
94
95/*
96 * I tried to cache the readq entries at one point. But the reality
97 * is that it did not add any performance since this meant we had to
98 * lock the STCB on read. And at that point once you have to do an
99 * extra lock, it really does not matter if the lock is in the ZONE
100 * stuff or in our code. Note that this same problem would occur with
101 * an mbuf cache as well so it is not really worth doing, at least
102 * right now :-D
103 */
104
105#define sctp_free_a_readq(_stcb, _readq) { \
106	SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_readq), (_readq)); \
107	SCTP_DECR_READQ_COUNT(); \
108}
109
110#define sctp_alloc_a_readq(_stcb, _readq) { \
111	(_readq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_readq), struct sctp_queued_to_read); \
112	if ((_readq)) { \
113	     SCTP_INCR_READQ_COUNT(); \
114	} \
115}
116
117#define sctp_free_a_strmoq(_stcb, _strmoq, _so_locked) { \
118	if ((_strmoq)->holds_key_ref) { \
119		sctp_auth_key_release(stcb, sp->auth_keyid, _so_locked); \
120		(_strmoq)->holds_key_ref = 0; \
121	} \
122	SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_strmoq), (_strmoq)); \
123	SCTP_DECR_STRMOQ_COUNT(); \
124}
125
126#define sctp_alloc_a_strmoq(_stcb, _strmoq) { \
127	(_strmoq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_strmoq), struct sctp_stream_queue_pending); \
128	if ((_strmoq)) { \
129		memset(_strmoq, 0, sizeof(struct sctp_stream_queue_pending)); \
130		SCTP_INCR_STRMOQ_COUNT(); \
131		(_strmoq)->holds_key_ref = 0; \
132	} \
133}
134
135#define sctp_free_a_chunk(_stcb, _chk, _so_locked) { \
136	if ((_chk)->holds_key_ref) {\
137		sctp_auth_key_release((_stcb), (_chk)->auth_keyid, _so_locked); \
138		(_chk)->holds_key_ref = 0; \
139	} \
140	if (_stcb) { \
141		SCTP_TCB_LOCK_ASSERT((_stcb)); \
142		if ((_chk)->whoTo) { \
143			sctp_free_remote_addr((_chk)->whoTo); \
144			(_chk)->whoTo = NULL; \
145		} \
146		if (((_stcb)->asoc.free_chunk_cnt > SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit)) || \
147		    (SCTP_BASE_INFO(ipi_free_chunks) > SCTP_BASE_SYSCTL(sctp_system_free_resc_limit))) { \
148			SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
149			SCTP_DECR_CHK_COUNT(); \
150		} else { \
151			TAILQ_INSERT_TAIL(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
152			(_stcb)->asoc.free_chunk_cnt++; \
153			atomic_add_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
154		} \
155	} else { \
156		SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
157		SCTP_DECR_CHK_COUNT(); \
158	} \
159}
160
161#define sctp_alloc_a_chunk(_stcb, _chk) { \
162	if (TAILQ_EMPTY(&(_stcb)->asoc.free_chunks)) { \
163		(_chk) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_chunk), struct sctp_tmit_chunk); \
164		if ((_chk)) { \
165			SCTP_INCR_CHK_COUNT(); \
166			(_chk)->whoTo = NULL; \
167			(_chk)->holds_key_ref = 0; \
168		} \
169	} else { \
170		(_chk) = TAILQ_FIRST(&(_stcb)->asoc.free_chunks); \
171		TAILQ_REMOVE(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
172		atomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
173		(_chk)->holds_key_ref = 0; \
174		SCTP_STAT_INCR(sctps_cached_chk); \
175		(_stcb)->asoc.free_chunk_cnt--; \
176	} \
177}
178
179#if defined(__FreeBSD__) && __FreeBSD_version > 500000
180
181#define sctp_free_remote_addr(__net) { \
182	if ((__net)) {  \
183		if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \
184			(void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
185			(void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
186			if ((__net)->ro.ro_rt) { \
187				RTFREE((__net)->ro.ro_rt); \
188				(__net)->ro.ro_rt = NULL; \
189			} \
190			if ((__net)->src_addr_selected) { \
191				sctp_free_ifa((__net)->ro._s_addr); \
192				(__net)->ro._s_addr = NULL; \
193			} \
194			(__net)->src_addr_selected = 0; \
195			(__net)->dest_state &= ~SCTP_ADDR_REACHABLE; \
196			SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \
197			SCTP_DECR_RADDR_COUNT(); \
198		} \
199	} \
200}
201
202#define sctp_sbfree(ctl, stcb, sb, m) { \
203	SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
204	SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \
205	if (((ctl)->do_not_ref_stcb == 0) && stcb) {\
206		SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
207		SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
208	} \
209	if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
210	    SCTP_BUF_TYPE(m) != MT_OOBDATA) \
211		atomic_subtract_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
212}
213
214#define sctp_sballoc(stcb, sb, m) { \
215	atomic_add_int(&(sb)->sb_cc,SCTP_BUF_LEN((m))); \
216	atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
217	if (stcb) { \
218		atomic_add_int(&(stcb)->asoc.sb_cc,SCTP_BUF_LEN((m))); \
219		atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
220	} \
221	if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
222	    SCTP_BUF_TYPE(m) != MT_OOBDATA) \
223		atomic_add_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
224}
225
226#else				/* FreeBSD Version <= 500000 or non-FreeBSD */
227
228#define sctp_free_remote_addr(__net) { \
229	if ((__net)) { \
230		if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \
231			(void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
232			(void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
233			(void)SCTP_OS_TIMER_STOP(&(__net)->hb_timer.timer); \
234			if ((__net)->ro.ro_rt) { \
235				RTFREE((__net)->ro.ro_rt); \
236				(__net)->ro.ro_rt = NULL; \
237			} \
238			if ((__net)->src_addr_selected) { \
239				sctp_free_ifa((__net)->ro._s_addr); \
240				(__net)->ro._s_addr = NULL; \
241			} \
242			(__net)->src_addr_selected = 0; \
243			(__net)->dest_state &=~SCTP_ADDR_REACHABLE; \
244			SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \
245			SCTP_DECR_RADDR_COUNT(); \
246		} \
247	} \
248}
249
250#if defined(__Panda__)
251#define sctp_sbfree(ctl, stcb, sb, m) { \
252	if ((sb)->sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \
253		atomic_subtract_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
254	} else { \
255		(sb)->sb_cc = 0; \
256	} \
257	if (((ctl)->do_not_ref_stcb == 0) && stcb) { \
258		if ((stcb)->asoc.sb_cc >= (uint32_t)SCTP_BUF_LEN((m))) { \
259			atomic_subtract_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
260		} else { \
261			(stcb)->asoc.sb_cc = 0; \
262		} \
263	} \
264}
265
266#define sctp_sballoc(stcb, sb, m) { \
267	atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
268	if (stcb) { \
269		atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
270	} \
271}
272
273#else
274
275#define sctp_sbfree(ctl, stcb, sb, m) { \
276	SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
277	SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \
278	if (((ctl)->do_not_ref_stcb == 0) && stcb) { \
279		SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
280		SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
281	} \
282}
283
284#define sctp_sballoc(stcb, sb, m) { \
285	atomic_add_int(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
286	atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
287	if (stcb) { \
288		atomic_add_int(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
289		atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
290	} \
291}
292#endif
293#endif
294
295#define sctp_ucount_incr(val) { \
296	val++; \
297}
298
299#define sctp_ucount_decr(val) { \
300	if (val > 0) { \
301		val--; \
302	} else { \
303		val = 0; \
304	} \
305}
306
307#define sctp_mbuf_crush(data) do { \
308	struct mbuf *_m; \
309	_m = (data); \
310	while (_m && (SCTP_BUF_LEN(_m) == 0)) { \
311		(data)  = SCTP_BUF_NEXT(_m); \
312		SCTP_BUF_NEXT(_m) = NULL; \
313		sctp_m_free(_m); \
314		_m = (data); \
315	} \
316} while (0)
317
318#define sctp_flight_size_decrease(tp1) do { \
319	if (tp1->whoTo->flight_size >= tp1->book_size) \
320		tp1->whoTo->flight_size -= tp1->book_size; \
321	else \
322		tp1->whoTo->flight_size = 0; \
323} while (0)
324
325#define sctp_flight_size_increase(tp1) do { \
326	(tp1)->whoTo->flight_size += (tp1)->book_size; \
327} while (0)
328
329#ifdef SCTP_FS_SPEC_LOG
330#define sctp_total_flight_decrease(stcb, tp1) do { \
331	if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
332		stcb->asoc.fs_index = 0;\
333	stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \
334	stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \
335	stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \
336	stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \
337	stcb->asoc.fslog[stcb->asoc.fs_index].incr = 0; \
338	stcb->asoc.fslog[stcb->asoc.fs_index].decr = 1; \
339	stcb->asoc.fs_index++; \
340	tp1->window_probe = 0; \
341	if (stcb->asoc.total_flight >= tp1->book_size) { \
342		stcb->asoc.total_flight -= tp1->book_size; \
343		if (stcb->asoc.total_flight_count > 0) \
344			stcb->asoc.total_flight_count--; \
345	} else { \
346		stcb->asoc.total_flight = 0; \
347		stcb->asoc.total_flight_count = 0; \
348	} \
349} while (0)
350
351#define sctp_total_flight_increase(stcb, tp1) do { \
352	if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
353		stcb->asoc.fs_index = 0;\
354	stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \
355	stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \
356	stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \
357	stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \
358	stcb->asoc.fslog[stcb->asoc.fs_index].incr = 1; \
359	stcb->asoc.fslog[stcb->asoc.fs_index].decr = 0; \
360	stcb->asoc.fs_index++; \
361	(stcb)->asoc.total_flight_count++; \
362	(stcb)->asoc.total_flight += (tp1)->book_size; \
363} while (0)
364
365#else
366
367#define sctp_total_flight_decrease(stcb, tp1) do { \
368	tp1->window_probe = 0; \
369	if (stcb->asoc.total_flight >= tp1->book_size) { \
370		stcb->asoc.total_flight -= tp1->book_size; \
371		if (stcb->asoc.total_flight_count > 0) \
372			stcb->asoc.total_flight_count--; \
373	} else { \
374		stcb->asoc.total_flight = 0; \
375		stcb->asoc.total_flight_count = 0; \
376	} \
377} while (0)
378
379#define sctp_total_flight_increase(stcb, tp1) do { \
380	(stcb)->asoc.total_flight_count++; \
381	(stcb)->asoc.total_flight += (tp1)->book_size; \
382} while (0)
383
384#endif
385
386#define SCTP_PF_ENABLED(_net) (_net->pf_threshold < _net->failure_threshold)
387#define SCTP_NET_IS_PF(_net) (_net->pf_threshold < _net->error_count)
388
389struct sctp_nets;
390struct sctp_inpcb;
391struct sctp_tcb;
392struct sctphdr;
393
394
395#if (defined(__FreeBSD__) && __FreeBSD_version > 690000) || defined(__Windows__) || defined(__Userspace__)
396void sctp_close(struct socket *so);
397#else
398int sctp_detach(struct socket *so);
399#endif
400int sctp_disconnect(struct socket *so);
401#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
402#if defined(__FreeBSD__) && __FreeBSD_version < 902000
403void sctp_ctlinput __P((int, struct sockaddr *, void *));
404int sctp_ctloutput __P((struct socket *, struct sockopt *));
405#ifdef INET
406void sctp_input_with_port __P((struct mbuf *, int, uint16_t));
407void sctp_input __P((struct mbuf *, int));
408#endif
409void sctp_pathmtu_adjustment __P((struct sctp_tcb *, uint16_t));
410#else
411void sctp_ctlinput(int, struct sockaddr *, void *);
412int sctp_ctloutput(struct socket *, struct sockopt *);
413#ifdef INET
414void sctp_input_with_port(struct mbuf *, int, uint16_t);
415#if defined(__FreeBSD__) && __FreeBSD_version >= 1100020
416int sctp_input(struct mbuf **, int *, int);
417#else
418void sctp_input(struct mbuf *, int);
419#endif
420#endif
421void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
422#endif
423#else
424#if defined(__Panda__)
425void sctp_input(pakhandle_type i_pak);
426#elif defined(__Userspace__)
427void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
428#else
429void sctp_input(struct mbuf *,...);
430#endif
431void *sctp_ctlinput(int, struct sockaddr *, void *);
432int sctp_ctloutput(int, struct socket *, int, int, struct mbuf **);
433#endif
434#if defined(__FreeBSD__) && __FreeBSD_version < 902000
435void sctp_drain __P((void));
436#else
437void sctp_drain(void);
438#endif
439#if defined(__Userspace__)
440void sctp_init(uint16_t,
441               int (*)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df),
442               void (*)(const char *, ...));
443#elif defined(__FreeBSD__) && __FreeBSD_version < 902000
444void sctp_init __P((void));
445#elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION))
446void sctp_init(struct protosw *pp, struct domain *dp);
447#else
448void sctp_init(void);
449#endif
450void sctp_finish(void);
451#if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
452int sctp_flush(struct socket *, int);
453#endif
454#if defined(__FreeBSD__) && __FreeBSD_version < 902000
455int sctp_shutdown __P((struct socket *));
456void sctp_notify __P((struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
457		struct sockaddr *, struct sctp_tcb *,
458		struct sctp_nets *));
459#else
460int sctp_shutdown(struct socket *);
461void sctp_notify(struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
462		 struct sockaddr *, struct sctp_tcb *,
463		 struct sctp_nets *);
464#endif
465int sctp_bindx(struct socket *, int, struct sockaddr_storage *,
466	int, int, struct proc *);
467/* can't use sctp_assoc_t here */
468int sctp_peeloff(struct socket *, struct socket *, int, caddr_t, int *);
469#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
470int sctp_ingetaddr(struct socket *, struct sockaddr **);
471#elif defined(__Panda__)
472int sctp_ingetaddr(struct socket *, struct sockaddr *);
473#else
474int sctp_ingetaddr(struct socket *, struct mbuf *);
475#endif
476#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
477int sctp_peeraddr(struct socket *, struct sockaddr **);
478#elif defined(__Panda__)
479int sctp_peeraddr(struct socket *, struct sockaddr *);
480#else
481int sctp_peeraddr(struct socket *, struct mbuf *);
482#endif
483#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
484#if __FreeBSD_version >= 700000
485int sctp_listen(struct socket *, int, struct thread *);
486#else
487int sctp_listen(struct socket *, struct thread *);
488#endif
489#elif defined(__Windows__)
490int sctp_listen(struct socket *, int, PKTHREAD);
491#elif defined(__Userspace__)
492int sctp_listen(struct socket *, int, struct proc *);
493#else
494int sctp_listen(struct socket *, struct proc *);
495#endif
496#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
497int sctp_accept(struct socket *, struct sockaddr **);
498#elif defined(__Panda__)
499int sctp_accept(struct socket *, struct sockaddr *, int *, void *, int *);
500#else
501int sctp_accept(struct socket *, struct mbuf *);
502#endif
503
504#endif /* _KERNEL */
505
506#endif /* !_NETINET_SCTP_VAR_H_ */
507