2006-11-03 15:23:16 +00:00
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/*-
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2008-12-06 13:19:54 +00:00
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* Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
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2011-02-05 12:12:51 +00:00
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* Copyright (c) 2008-2011, by Randall Stewart. All rights reserved.
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* Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved.
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2006-11-03 15:23:16 +00:00
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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 are met:
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*
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* a) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* b) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* c) Neither the name of Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* $KAME: sctp_var.h,v 1.24 2005/03/06 16:04:19 itojun Exp $ */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifndef _NETINET_SCTP_VAR_H_
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#define _NETINET_SCTP_VAR_H_
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#include <netinet/sctp_uio.h>
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2008-07-09 16:45:30 +00:00
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#if defined(_KERNEL) || defined(__Userspace__)
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2006-11-03 15:23:16 +00:00
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extern struct pr_usrreqs sctp_usrreqs;
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#define sctp_feature_on(inp, feature) (inp->sctp_features |= feature)
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#define sctp_feature_off(inp, feature) (inp->sctp_features &= ~feature)
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2008-07-31 11:08:30 +00:00
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#define sctp_is_feature_on(inp, feature) ((inp->sctp_features & feature) == feature)
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2006-11-03 15:23:16 +00:00
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#define sctp_is_feature_off(inp, feature) ((inp->sctp_features & feature) == 0)
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2008-07-31 11:08:30 +00:00
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2007-08-27 05:19:48 +00:00
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/* managing mobility_feature in inpcb (by micchie) */
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#define sctp_mobility_feature_on(inp, feature) (inp->sctp_mobility_features |= feature)
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#define sctp_mobility_feature_off(inp, feature) (inp->sctp_mobility_features &= ~feature)
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#define sctp_is_mobility_feature_on(inp, feature) (inp->sctp_mobility_features & feature)
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#define sctp_is_mobility_feature_off(inp, feature) ((inp->sctp_mobility_features & feature) == 0)
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2007-10-01 03:22:29 +00:00
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#define sctp_maxspace(sb) (max((sb)->sb_hiwat,SCTP_MINIMAL_RWND))
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2006-11-03 15:23:16 +00:00
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2007-10-16 14:05:51 +00:00
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#define sctp_sbspace(asoc, sb) ((long) ((sctp_maxspace(sb) > (asoc)->sb_cc) ? (sctp_maxspace(sb) - (asoc)->sb_cc) : 0))
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2007-10-01 03:22:29 +00:00
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#define sctp_sbspace_failedmsgs(sb) ((long) ((sctp_maxspace(sb) > (sb)->sb_cc) ? (sctp_maxspace(sb) - (sb)->sb_cc) : 0))
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2006-11-03 15:23:16 +00:00
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#define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
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2007-03-15 11:27:14 +00:00
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/*
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* I tried to cache the readq entries at one point. But the reality
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* is that it did not add any performance since this meant we had to
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* lock the STCB on read. And at that point once you have to do an
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* extra lock, it really does not matter if the lock is in the ZONE
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* stuff or in our code. Note that this same problem would occur with
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* an mbuf cache as well so it is not really worth doing, at least
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* right now :-D
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2006-11-03 15:23:16 +00:00
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*/
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#define sctp_free_a_readq(_stcb, _readq) { \
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2008-06-14 07:58:05 +00:00
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SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_readq), (_readq)); \
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2007-02-12 23:24:31 +00:00
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SCTP_DECR_READQ_COUNT(); \
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2006-11-03 15:23:16 +00:00
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}
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#define sctp_alloc_a_readq(_stcb, _readq) { \
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2008-06-14 07:58:05 +00:00
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(_readq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_readq), struct sctp_queued_to_read); \
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2006-11-03 15:23:16 +00:00
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if ((_readq)) { \
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SCTP_INCR_READQ_COUNT(); \
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} \
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}
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#define sctp_free_a_strmoq(_stcb, _strmoq) { \
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2008-12-06 13:19:54 +00:00
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if ((_strmoq)->holds_key_ref) { \
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sctp_auth_key_release(stcb, sp->auth_keyid); \
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(_strmoq)->holds_key_ref = 0; \
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} \
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2008-06-14 07:58:05 +00:00
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SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_strmoq), (_strmoq)); \
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2007-04-19 11:28:43 +00:00
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SCTP_DECR_STRMOQ_COUNT(); \
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2006-11-03 15:23:16 +00:00
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}
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#define sctp_alloc_a_strmoq(_stcb, _strmoq) { \
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2008-06-14 07:58:05 +00:00
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(_strmoq) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_strmoq), struct sctp_stream_queue_pending); \
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2009-03-14 13:42:13 +00:00
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if ((_strmoq)) { \
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memset(_strmoq, 0, sizeof(struct sctp_stream_queue_pending)); \
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2007-04-19 11:28:43 +00:00
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SCTP_INCR_STRMOQ_COUNT(); \
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2008-12-06 13:19:54 +00:00
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(_strmoq)->holds_key_ref = 0; \
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2007-04-19 11:28:43 +00:00
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} \
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2006-11-03 15:23:16 +00:00
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}
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#define sctp_free_a_chunk(_stcb, _chk) { \
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2008-12-06 13:19:54 +00:00
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if ((_chk)->holds_key_ref) {\
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sctp_auth_key_release((_stcb), (_chk)->auth_keyid); \
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(_chk)->holds_key_ref = 0; \
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} \
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2010-04-03 15:40:14 +00:00
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if (_stcb) { \
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2007-08-27 05:19:48 +00:00
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SCTP_TCB_LOCK_ASSERT((_stcb)); \
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if ((_chk)->whoTo) { \
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sctp_free_remote_addr((_chk)->whoTo); \
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(_chk)->whoTo = NULL; \
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} \
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2008-06-14 07:58:05 +00:00
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if (((_stcb)->asoc.free_chunk_cnt > SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit)) || \
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(SCTP_BASE_INFO(ipi_free_chunks) > SCTP_BASE_SYSCTL(sctp_system_free_resc_limit))) { \
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SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
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2007-08-27 05:19:48 +00:00
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SCTP_DECR_CHK_COUNT(); \
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} else { \
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TAILQ_INSERT_TAIL(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
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(_stcb)->asoc.free_chunk_cnt++; \
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2008-06-14 07:58:05 +00:00
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atomic_add_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
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2007-08-27 05:19:48 +00:00
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} \
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} else { \
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2008-06-14 07:58:05 +00:00
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SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_chunk), (_chk)); \
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2006-11-03 15:23:16 +00:00
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SCTP_DECR_CHK_COUNT(); \
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2007-02-12 23:24:31 +00:00
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} \
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2006-11-03 15:23:16 +00:00
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}
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#define sctp_alloc_a_chunk(_stcb, _chk) { \
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2007-02-12 23:24:31 +00:00
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if (TAILQ_EMPTY(&(_stcb)->asoc.free_chunks)) { \
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2008-06-14 07:58:05 +00:00
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(_chk) = SCTP_ZONE_GET(SCTP_BASE_INFO(ipi_zone_chunk), struct sctp_tmit_chunk); \
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2007-02-12 23:24:31 +00:00
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if ((_chk)) { \
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SCTP_INCR_CHK_COUNT(); \
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2007-07-02 19:22:22 +00:00
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(_chk)->whoTo = NULL; \
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2008-12-06 13:19:54 +00:00
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(_chk)->holds_key_ref = 0; \
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2007-02-12 23:24:31 +00:00
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} \
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} else { \
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(_chk) = TAILQ_FIRST(&(_stcb)->asoc.free_chunks); \
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TAILQ_REMOVE(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
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2008-06-14 07:58:05 +00:00
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atomic_subtract_int(&SCTP_BASE_INFO(ipi_free_chunks), 1); \
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2008-12-06 13:19:54 +00:00
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(_chk)->holds_key_ref = 0; \
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2007-04-15 11:58:26 +00:00
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SCTP_STAT_INCR(sctps_cached_chk); \
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2007-02-12 23:24:31 +00:00
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(_stcb)->asoc.free_chunk_cnt--; \
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2006-11-03 15:23:16 +00:00
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} \
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}
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#define sctp_free_remote_addr(__net) { \
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2007-03-15 11:27:14 +00:00
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if ((__net)) { \
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2008-12-06 13:19:54 +00:00
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if (SCTP_DECREMENT_AND_CHECK_REFCOUNT(&(__net)->ref_count)) { \
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2007-05-08 14:32:53 +00:00
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(void)SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
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(void)SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
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(void)SCTP_OS_TIMER_STOP(&(__net)->fr_timer.timer); \
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2007-03-15 11:27:14 +00:00
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if ((__net)->ro.ro_rt) { \
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RTFREE((__net)->ro.ro_rt); \
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(__net)->ro.ro_rt = NULL; \
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} \
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if ((__net)->src_addr_selected) { \
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sctp_free_ifa((__net)->ro._s_addr); \
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(__net)->ro._s_addr = NULL; \
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} \
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(__net)->src_addr_selected = 0; \
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2006-11-03 15:23:16 +00:00
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(__net)->dest_state = SCTP_ADDR_NOT_REACHABLE; \
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2008-06-14 07:58:05 +00:00
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SCTP_ZONE_FREE(SCTP_BASE_INFO(ipi_zone_net), (__net)); \
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2006-11-03 15:23:16 +00:00
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SCTP_DECR_RADDR_COUNT(); \
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} \
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} \
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}
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#define sctp_sbfree(ctl, stcb, sb, m) { \
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2008-12-06 13:19:54 +00:00
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SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_cc, SCTP_BUF_LEN((m))); \
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SCTP_SAVE_ATOMIC_DECREMENT(&(sb)->sb_mbcnt, MSIZE); \
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2007-02-12 23:24:31 +00:00
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if (((ctl)->do_not_ref_stcb == 0) && stcb) {\
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2008-12-06 13:19:54 +00:00
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SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.sb_cc, SCTP_BUF_LEN((m))); \
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SCTP_SAVE_ATOMIC_DECREMENT(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
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2007-02-12 23:24:31 +00:00
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} \
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2006-12-29 20:21:42 +00:00
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if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
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SCTP_BUF_TYPE(m) != MT_OOBDATA) \
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atomic_subtract_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
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2006-11-03 15:23:16 +00:00
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}
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#define sctp_sballoc(stcb, sb, m) { \
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2006-12-29 20:21:42 +00:00
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atomic_add_int(&(sb)->sb_cc,SCTP_BUF_LEN((m))); \
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2006-11-03 15:23:16 +00:00
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atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
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2007-02-12 23:24:31 +00:00
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if (stcb) { \
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atomic_add_int(&(stcb)->asoc.sb_cc,SCTP_BUF_LEN((m))); \
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2007-08-24 00:53:53 +00:00
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atomic_add_int(&(stcb)->asoc.my_rwnd_control_len, MSIZE); \
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2007-02-12 23:24:31 +00:00
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} \
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2006-12-29 20:21:42 +00:00
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if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
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SCTP_BUF_TYPE(m) != MT_OOBDATA) \
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atomic_add_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
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2006-11-03 15:23:16 +00:00
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}
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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_mbuf_crush(data) do { \
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2007-02-12 23:24:31 +00:00
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struct mbuf *_m; \
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_m = (data); \
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while(_m && (SCTP_BUF_LEN(_m) == 0)) { \
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(data) = SCTP_BUF_NEXT(_m); \
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SCTP_BUF_NEXT(_m) = NULL; \
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sctp_m_free(_m); \
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2006-11-03 15:23:16 +00:00
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_m = (data); \
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2007-02-12 23:24:31 +00:00
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} \
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2006-11-03 15:23:16 +00:00
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} while (0)
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2007-04-14 09:44:09 +00:00
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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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2007-07-14 09:36:28 +00:00
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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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2007-04-14 09:44:09 +00:00
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2007-07-14 09:36:28 +00:00
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#ifdef SCTP_FS_SPEC_LOG
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2007-04-14 09:44:09 +00:00
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#define sctp_total_flight_decrease(stcb, tp1) do { \
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2010-04-03 15:40:14 +00:00
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if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
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2007-07-14 09:36:28 +00:00
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stcb->asoc.fs_index = 0;\
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stcb->asoc.fslog[stcb->asoc.fs_index].total_flight = stcb->asoc.total_flight; \
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stcb->asoc.fslog[stcb->asoc.fs_index].tsn = tp1->rec.data.TSN_seq; \
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stcb->asoc.fslog[stcb->asoc.fs_index].book = tp1->book_size; \
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stcb->asoc.fslog[stcb->asoc.fs_index].sent = tp1->sent; \
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stcb->asoc.fslog[stcb->asoc.fs_index].incr = 0; \
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stcb->asoc.fslog[stcb->asoc.fs_index].decr = 1; \
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stcb->asoc.fs_index++; \
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2007-07-17 20:58:26 +00:00
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tp1->window_probe = 0; \
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2007-04-14 09:44:09 +00:00
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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)
|
|
|
|
|
2007-07-14 09:36:28 +00:00
|
|
|
#define sctp_total_flight_increase(stcb, tp1) do { \
|
2010-04-03 15:40:14 +00:00
|
|
|
if (stcb->asoc.fs_index > SCTP_FS_SPEC_LOG_SIZE) \
|
2007-07-14 09:36:28 +00:00
|
|
|
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; \
|
2007-04-14 09:44:09 +00:00
|
|
|
} while (0)
|
|
|
|
|
2007-07-14 09:36:28 +00:00
|
|
|
#else
|
2007-04-14 09:44:09 +00:00
|
|
|
|
|
|
|
#define sctp_total_flight_decrease(stcb, tp1) do { \
|
2009-03-14 13:42:13 +00:00
|
|
|
tp1->window_probe = 0; \
|
2007-04-14 09:44:09 +00:00
|
|
|
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 { \
|
2007-07-14 09:36:28 +00:00
|
|
|
stcb->asoc.total_flight = 0; \
|
|
|
|
stcb->asoc.total_flight_count = 0; \
|
2007-04-14 09:44:09 +00:00
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#define sctp_total_flight_increase(stcb, tp1) do { \
|
|
|
|
(stcb)->asoc.total_flight_count++; \
|
|
|
|
(stcb)->asoc.total_flight += (tp1)->book_size; \
|
|
|
|
} while (0)
|
2006-11-03 15:23:16 +00:00
|
|
|
|
2007-07-14 09:36:28 +00:00
|
|
|
#endif
|
|
|
|
|
2007-08-24 00:53:53 +00:00
|
|
|
|
2006-11-03 15:23:16 +00:00
|
|
|
struct sctp_nets;
|
|
|
|
struct sctp_inpcb;
|
|
|
|
struct sctp_tcb;
|
|
|
|
struct sctphdr;
|
|
|
|
|
2007-08-27 05:19:48 +00:00
|
|
|
|
|
|
|
void sctp_close(struct socket *so);
|
|
|
|
int sctp_disconnect(struct socket *so);
|
|
|
|
|
2006-11-03 15:23:16 +00:00
|
|
|
void sctp_ctlinput __P((int, struct sockaddr *, void *));
|
|
|
|
int sctp_ctloutput __P((struct socket *, struct sockopt *));
|
2011-04-30 11:18:16 +00:00
|
|
|
|
|
|
|
#ifdef INET
|
2008-05-20 13:47:46 +00:00
|
|
|
void sctp_input_with_port __P((struct mbuf *, int, uint16_t));
|
2011-04-30 11:18:16 +00:00
|
|
|
|
|
|
|
#endif
|
|
|
|
#ifdef INET
|
2006-11-03 15:23:16 +00:00
|
|
|
void sctp_input __P((struct mbuf *, int));
|
2011-04-30 11:18:16 +00:00
|
|
|
|
|
|
|
#endif
|
2008-05-20 13:47:46 +00:00
|
|
|
void sctp_pathmtu_adjustment __P((struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *, uint16_t));
|
2006-11-03 15:23:16 +00:00
|
|
|
void sctp_drain __P((void));
|
|
|
|
void sctp_init __P((void));
|
|
|
|
|
2008-06-14 07:58:05 +00:00
|
|
|
void sctp_finish(void);
|
2007-01-15 15:12:10 +00:00
|
|
|
|
2008-04-14 18:13:33 +00:00
|
|
|
int sctp_flush(struct socket *, int);
|
2006-11-03 15:23:16 +00:00
|
|
|
int sctp_shutdown __P((struct socket *));
|
|
|
|
void sctp_notify
|
2007-09-08 17:48:46 +00:00
|
|
|
__P((struct sctp_inpcb *, struct ip *ip, struct sctphdr *,
|
2006-11-03 15:23:16 +00:00
|
|
|
struct sockaddr *, struct sctp_tcb *,
|
|
|
|
struct sctp_nets *));
|
|
|
|
|
|
|
|
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 *);
|
|
|
|
|
|
|
|
int sctp_ingetaddr(struct socket *,
|
|
|
|
struct sockaddr **
|
|
|
|
);
|
|
|
|
|
|
|
|
int sctp_peeraddr(struct socket *,
|
|
|
|
struct sockaddr **
|
|
|
|
);
|
|
|
|
|
|
|
|
int sctp_listen(struct socket *, int, struct thread *);
|
|
|
|
|
|
|
|
int sctp_accept(struct socket *, struct sockaddr **);
|
|
|
|
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
|
|
|
|
#endif /* !_NETINET_SCTP_VAR_H_ */
|