netwerk/sctp/src/netinet/sctp_var.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rwxr-xr-x

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     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  */
    33 #ifdef __FreeBSD__
    34 #include <sys/cdefs.h>
    35 __FBSDID("$FreeBSD: head/sys/netinet/sctp_var.h 242327 2012-10-29 20:47:32Z tuexen $");
    36 #endif
    38 #ifndef _NETINET_SCTP_VAR_H_
    39 #define _NETINET_SCTP_VAR_H_
    41 #include <netinet/sctp_uio.h>
    43 #if defined(_KERNEL) || defined(__Userspace__)
    45 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
    46 extern struct pr_usrreqs sctp_usrreqs;
    47 #endif
    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)
    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)))
    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)
    87 #define sctp_maxspace(sb) (max((sb)->sb_hiwat,SCTP_MINIMAL_RWND))
    89 #define	sctp_sbspace(asoc, sb) ((long) ((sctp_maxspace(sb) > (asoc)->sb_cc) ? (sctp_maxspace(sb) - (asoc)->sb_cc) : 0))
    91 #define	sctp_sbspace_failedmsgs(sb) ((long) ((sctp_maxspace(sb) > (sb)->sb_cc) ? (sctp_maxspace(sb) - (sb)->sb_cc) : 0))
    93 #define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
    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  */
   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 }
   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 }
   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 }
   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 }
   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 }
   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 }
   179 #if defined(__FreeBSD__) && __FreeBSD_version > 500000
   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 }
   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 }
   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 }
   226 #else				/* FreeBSD Version <= 500000 or non-FreeBSD */
   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 }
   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 }
   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 }
   273 #else
   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 }
   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
   295 #define sctp_ucount_incr(val) { \
   296 	val++; \
   297 }
   299 #define sctp_ucount_decr(val) { \
   300 	if (val > 0) { \
   301 		val--; \
   302 	} else { \
   303 		val = 0; \
   304 	} \
   305 }
   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)
   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)
   325 #define sctp_flight_size_increase(tp1) do { \
   326        (tp1)->whoTo->flight_size += (tp1)->book_size; \
   327 } while (0)
   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)
   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)
   365 #else
   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)
   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)
   384 #endif
   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)
   389 struct sctp_nets;
   390 struct sctp_inpcb;
   391 struct sctp_tcb;
   392 struct sctphdr;
   395 #if (defined(__FreeBSD__) && __FreeBSD_version > 690000) || defined(__Windows__) || defined(__Userspace__)
   396 void sctp_close(struct socket *so);
   397 #else
   398 int sctp_detach(struct socket *so);
   399 #endif
   400 int sctp_disconnect(struct socket *so);
   401 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
   402 #if defined(__FreeBSD__) && __FreeBSD_version < 902000
   403 void sctp_ctlinput __P((int, struct sockaddr *, void *));
   404 int sctp_ctloutput __P((struct socket *, struct sockopt *));
   405 #ifdef INET
   406 void sctp_input_with_port __P((struct mbuf *, int, uint16_t));
   407 void sctp_input __P((struct mbuf *, int));
   408 #endif
   409 void sctp_pathmtu_adjustment __P((struct sctp_tcb *, uint16_t));
   410 #else
   411 void sctp_ctlinput(int, struct sockaddr *, void *);
   412 int sctp_ctloutput(struct socket *, struct sockopt *);
   413 #ifdef INET
   414 void sctp_input_with_port(struct mbuf *, int, uint16_t);
   415 void sctp_input(struct mbuf *, int);
   416 #endif
   417 void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
   418 #endif
   419 #else
   420 #if defined(__Panda__)
   421 void sctp_input(pakhandle_type i_pak);
   422 #elif defined(__Userspace__)
   423 void sctp_pathmtu_adjustment(struct sctp_tcb *, uint16_t);
   424 #else
   425 void sctp_input(struct mbuf *,...);
   426 #endif
   427 void *sctp_ctlinput(int, struct sockaddr *, void *);
   428 int sctp_ctloutput(int, struct socket *, int, int, struct mbuf **);
   429 #endif
   430 #if defined(__FreeBSD__) && __FreeBSD_version < 902000
   431 void sctp_drain __P((void));
   432 #else
   433 void sctp_drain(void);
   434 #endif
   435 #if defined(__Userspace__)
   436 void sctp_init(uint16_t,
   437                int (*)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df),
   438                void (*)(const char *, ...));
   439 #elif defined(__FreeBSD__) && __FreeBSD_version < 902000
   440 void sctp_init __P((void));
   441 #elif defined(__APPLE__) && (!defined(APPLE_LEOPARD) && !defined(APPLE_SNOWLEOPARD) &&!defined(APPLE_LION) && !defined(APPLE_MOUNTAINLION))
   442 void sctp_init(struct protosw *pp, struct domain *dp);
   443 #else
   444 void sctp_init(void);
   445 #endif
   446 void sctp_finish(void);
   447 #if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
   448 int sctp_flush(struct socket *, int);
   449 #endif
   450 #if defined(__FreeBSD__) && __FreeBSD_version < 902000
   451 int sctp_shutdown __P((struct socket *));
   452 void sctp_notify __P((struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
   453 		struct sockaddr *, struct sctp_tcb *,
   454 		struct sctp_nets *));
   455 #else
   456 int sctp_shutdown(struct socket *);
   457 void sctp_notify(struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
   458 		 struct sockaddr *, struct sctp_tcb *,
   459 		 struct sctp_nets *);
   460 #endif
   461 int sctp_bindx(struct socket *, int, struct sockaddr_storage *,
   462 	int, int, struct proc *);
   463 /* can't use sctp_assoc_t here */
   464 int sctp_peeloff(struct socket *, struct socket *, int, caddr_t, int *);
   465 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
   466 int sctp_ingetaddr(struct socket *, struct sockaddr **);
   467 #elif defined(__Panda__)
   468 int sctp_ingetaddr(struct socket *, struct sockaddr *);
   469 #else
   470 int sctp_ingetaddr(struct socket *, struct mbuf *);
   471 #endif
   472 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__)
   473 int sctp_peeraddr(struct socket *, struct sockaddr **);
   474 #elif defined(__Panda__)
   475 int sctp_peeraddr(struct socket *, struct sockaddr *);
   476 #else
   477 int sctp_peeraddr(struct socket *, struct mbuf *);
   478 #endif
   479 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
   480 #if __FreeBSD_version >= 700000
   481 int sctp_listen(struct socket *, int, struct thread *);
   482 #else
   483 int sctp_listen(struct socket *, struct thread *);
   484 #endif
   485 #elif defined(__Windows__)
   486 int sctp_listen(struct socket *, int, PKTHREAD);
   487 #elif defined(__Userspace__)
   488 int sctp_listen(struct socket *, int, struct proc *);
   489 #else
   490 int sctp_listen(struct socket *, struct proc *);
   491 #endif
   492 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Windows__) || defined(__Userspace__)
   493 int sctp_accept(struct socket *, struct sockaddr **);
   494 #elif defined(__Panda__)
   495 int sctp_accept(struct socket *, struct sockaddr *, int *, void *, int *);
   496 #else
   497 int sctp_accept(struct socket *, struct mbuf *);
   498 #endif
   500 #endif /* _KERNEL */
   502 #endif /* !_NETINET_SCTP_VAR_H_ */

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