2006-11-03 15:23:16 +00:00
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/*-
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2007-05-08 17:01:12 +00:00
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* Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
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2012-05-23 11:26:28 +00:00
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* Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
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* Copyright (c) 2008-2012, 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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2011-12-17 19:21:40 +00:00
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* this list of conditions and the following disclaimer.
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2006-11-03 15:23:16 +00:00
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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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2011-12-17 19:21:40 +00:00
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* the documentation and/or other materials provided with the distribution.
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2006-11-03 15:23:16 +00:00
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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2012-05-23 11:26:28 +00:00
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#ifndef _NETINET_SCTP_UTIL_H_
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#define _NETINET_SCTP_UTIL_H_
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2006-11-03 15:23:16 +00:00
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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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2009-07-28 14:09:06 +00:00
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#define SCTP_READ_LOCK_HELD 1
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#define SCTP_READ_LOCK_NOT_HELD 0
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2006-11-03 15:23:16 +00:00
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2007-04-19 11:28:43 +00:00
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#ifdef SCTP_ASOCLOG_OF_TSNS
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void sctp_print_out_track_log(struct sctp_tcb *stcb);
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#endif
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2007-04-15 11:58:26 +00:00
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#ifdef SCTP_MBUF_LOGGING
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2006-11-03 15:23:16 +00:00
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struct mbuf *sctp_m_free(struct mbuf *m);
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void sctp_m_freem(struct mbuf *m);
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#else
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#define sctp_m_free m_free
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#define sctp_m_freem m_freem
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#endif
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2007-08-24 00:53:53 +00:00
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#if defined(SCTP_LOCAL_TRACE_BUF) || defined(__APPLE__)
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void
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2007-09-13 14:43:54 +00:00
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sctp_log_trace(uint32_t fr, const char *str SCTP_UNUSED, uint32_t a, uint32_t b, uint32_t c, uint32_t d, uint32_t e, uint32_t f);
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2007-08-24 00:53:53 +00:00
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#endif
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2006-11-03 15:23:16 +00:00
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#define sctp_get_associd(stcb) ((sctp_assoc_t)stcb->asoc.assoc_id)
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/*
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* Function prototypes
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*/
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2007-03-19 11:11:16 +00:00
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uint32_t
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sctp_get_ifa_hash_val(struct sockaddr *addr);
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2007-03-15 11:27:14 +00:00
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struct sctp_ifa *
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sctp_find_ifa_in_ep(struct sctp_inpcb *inp, struct sockaddr *addr, int hold_lock);
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struct sctp_ifa *
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sctp_find_ifa_by_addr(struct sockaddr *addr, uint32_t vrf_id, int holds_lock);
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2006-11-03 15:23:16 +00:00
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uint32_t sctp_select_initial_TSN(struct sctp_pcb *);
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2008-12-06 13:19:54 +00:00
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uint32_t sctp_select_a_tag(struct sctp_inpcb *, uint16_t lport, uint16_t rport, int);
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2006-11-03 15:23:16 +00:00
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2010-04-03 15:40:14 +00:00
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int sctp_init_asoc(struct sctp_inpcb *, struct sctp_tcb *, uint32_t, uint32_t);
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2006-11-03 15:23:16 +00:00
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void sctp_fill_random_store(struct sctp_pcb *);
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2012-03-29 13:36:53 +00:00
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void
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sctp_notify_stream_reset_add(struct sctp_tcb *stcb, uint16_t numberin,
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uint16_t numberout, int flag);
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void
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sctp_notify_stream_reset_tsn(struct sctp_tcb *stcb, uint32_t sending_tsn, uint32_t recv_tsn, int flag);
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2007-05-09 13:30:06 +00:00
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void
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2006-11-03 15:23:16 +00:00
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sctp_timer_start(int, struct sctp_inpcb *, struct sctp_tcb *,
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struct sctp_nets *);
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2007-05-08 14:32:53 +00:00
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void
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2006-11-03 15:23:16 +00:00
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sctp_timer_stop(int, struct sctp_inpcb *, struct sctp_tcb *,
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2006-12-14 17:02:55 +00:00
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struct sctp_nets *, uint32_t);
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2006-11-03 15:23:16 +00:00
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2007-03-15 11:27:14 +00:00
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int
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sctp_dynamic_set_primary(struct sockaddr *sa, uint32_t vrf_id);
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2006-11-03 15:23:16 +00:00
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void
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2007-01-15 15:12:10 +00:00
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sctp_mtu_size_reset(struct sctp_inpcb *, struct sctp_association *, uint32_t);
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2006-11-03 15:23:16 +00:00
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void
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sctp_add_to_readq(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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struct sctp_queued_to_read *control,
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struct sockbuf *sb,
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2007-09-08 11:35:11 +00:00
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int end,
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2009-07-28 14:09:06 +00:00
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int inpread_locked,
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2007-09-08 11:35:11 +00:00
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int so_locked
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#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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SCTP_UNUSED
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#endif
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);
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2006-11-03 15:23:16 +00:00
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int
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sctp_append_to_readq(struct sctp_inpcb *inp,
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struct sctp_tcb *stcb,
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struct sctp_queued_to_read *control,
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struct mbuf *m,
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int end,
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int new_cumack,
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struct sockbuf *sb);
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2007-03-15 11:27:14 +00:00
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void sctp_iterator_worker(void);
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2010-11-07 18:50:35 +00:00
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uint32_t sctp_get_prev_mtu(uint32_t);
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2011-12-17 19:21:40 +00:00
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uint32_t sctp_get_next_mtu(uint32_t);
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2006-11-03 15:23:16 +00:00
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void
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sctp_timeout_handler(void *);
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uint32_t
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sctp_calculate_rto(struct sctp_tcb *, struct sctp_association *,
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2011-02-02 11:13:23 +00:00
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struct sctp_nets *, struct timeval *, int, int);
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2006-11-03 15:23:16 +00:00
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uint32_t sctp_calculate_len(struct mbuf *);
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caddr_t sctp_m_getptr(struct mbuf *, int, int, uint8_t *);
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struct sctp_paramhdr *
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sctp_get_next_param(struct mbuf *, int,
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struct sctp_paramhdr *, int);
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int sctp_add_pad_tombuf(struct mbuf *, int);
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int sctp_pad_lastmbuf(struct mbuf *, int, struct mbuf *);
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2007-09-08 11:35:11 +00:00
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void
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sctp_ulp_notify(uint32_t, struct sctp_tcb *, uint32_t, void *, int
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#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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SCTP_UNUSED
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#endif
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);
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2006-11-03 15:23:16 +00:00
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void
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sctp_pull_off_control_to_new_inp(struct sctp_inpcb *old_inp,
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struct sctp_inpcb *new_inp,
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2007-05-02 12:50:13 +00:00
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struct sctp_tcb *stcb, int waitflags);
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2006-11-03 15:23:16 +00:00
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void sctp_stop_timers_for_shutdown(struct sctp_tcb *);
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2007-09-08 11:35:11 +00:00
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void
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2012-05-13 19:32:49 +00:00
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sctp_report_all_outbound(struct sctp_tcb *, uint16_t, int, int
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2007-09-08 11:35:11 +00:00
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#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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SCTP_UNUSED
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#endif
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);
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2006-11-03 15:23:16 +00:00
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2007-05-30 17:39:45 +00:00
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int sctp_expand_mapping_array(struct sctp_association *, uint32_t);
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2006-11-03 15:23:16 +00:00
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2007-09-08 11:35:11 +00:00
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void
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2012-05-13 16:56:16 +00:00
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sctp_abort_notification(struct sctp_tcb *, uint8_t, uint16_t,
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2012-05-12 20:11:35 +00:00
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struct sctp_abort_chunk *, int
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2007-09-08 11:35:11 +00:00
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#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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SCTP_UNUSED
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#endif
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);
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2006-11-03 15:23:16 +00:00
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/* We abort responding to an IP packet for some reason */
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void
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2012-06-14 06:54:48 +00:00
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sctp_abort_association(struct sctp_inpcb *, struct sctp_tcb *, struct mbuf *,
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int, struct sctphdr *, struct mbuf *,
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uint8_t, uint32_t,
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uint32_t, uint16_t);
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2007-05-08 00:21:05 +00:00
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2006-11-03 15:23:16 +00:00
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/* We choose to abort via user input */
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void
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2012-05-12 20:11:35 +00:00
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sctp_abort_an_association(struct sctp_inpcb *, struct sctp_tcb *,
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2007-09-08 11:35:11 +00:00
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struct mbuf *, int
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#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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SCTP_UNUSED
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#endif
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);
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2006-11-03 15:23:16 +00:00
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2007-05-08 00:21:05 +00:00
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void
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2006-11-03 15:23:16 +00:00
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sctp_handle_ootb(struct mbuf *, int, int, struct sctphdr *,
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2012-06-14 06:54:48 +00:00
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struct sctp_inpcb *,
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uint8_t, uint32_t,
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uint32_t, uint16_t);
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2007-05-08 00:21:05 +00:00
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2007-05-28 11:17:24 +00:00
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int
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sctp_connectx_helper_add(struct sctp_tcb *stcb, struct sockaddr *addr,
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int totaddr, int *error);
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2007-05-08 00:21:05 +00:00
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struct sctp_tcb *
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2007-05-28 11:17:24 +00:00
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sctp_connectx_helper_find(struct sctp_inpcb *inp, struct sockaddr *addr,
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int *totaddr, int *num_v4, int *num_v6, int *error, int limit, int *bad_addr);
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2006-11-03 15:23:16 +00:00
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int sctp_is_there_an_abort_here(struct mbuf *, int, uint32_t *);
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2008-04-16 17:24:18 +00:00
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#ifdef INET6
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2006-11-03 15:23:16 +00:00
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uint32_t sctp_is_same_scope(struct sockaddr_in6 *, struct sockaddr_in6 *);
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2007-02-12 23:24:31 +00:00
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struct sockaddr_in6 *
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sctp_recover_scope(struct sockaddr_in6 *, struct sockaddr_in6 *);
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2006-11-03 15:23:16 +00:00
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#define sctp_recover_scope_mac(addr, store) do { \
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2007-02-12 23:24:31 +00:00
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if ((addr->sin6_family == AF_INET6) && \
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(IN6_IS_SCOPE_LINKLOCAL(&addr->sin6_addr))) { \
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*store = *addr; \
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if (addr->sin6_scope_id == 0) { \
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if (!sa6_recoverscope(store)) { \
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addr = store; \
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} \
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} else { \
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in6_clearscope(&addr->sin6_addr); \
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addr = store; \
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} \
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} \
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} while (0)
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2008-04-16 17:24:18 +00:00
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#endif
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2006-11-03 15:23:16 +00:00
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int sctp_cmpaddr(struct sockaddr *, struct sockaddr *);
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void sctp_print_address(struct sockaddr *);
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void sctp_print_address_pkt(struct ip *, struct sctphdr *);
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int
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sctp_release_pr_sctp_chunk(struct sctp_tcb *, struct sctp_tmit_chunk *,
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2012-05-13 19:32:49 +00:00
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uint8_t, int
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2007-09-08 11:35:11 +00:00
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#if !defined(__APPLE__) && !defined(SCTP_SO_LOCK_TESTING)
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SCTP_UNUSED
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#endif
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);
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2006-11-03 15:23:16 +00:00
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struct mbuf *sctp_generate_invmanparam(int);
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2007-06-12 11:21:00 +00:00
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void
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sctp_bindx_add_address(struct socket *so, struct sctp_inpcb *inp,
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struct sockaddr *sa, sctp_assoc_t assoc_id,
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uint32_t vrf_id, int *error, void *p);
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void
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2011-12-17 19:21:40 +00:00
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sctp_bindx_delete_address(struct sctp_inpcb *inp,
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2007-06-12 11:21:00 +00:00
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struct sockaddr *sa, sctp_assoc_t assoc_id,
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uint32_t vrf_id, int *error);
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2006-11-03 15:23:16 +00:00
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2007-07-24 20:06:02 +00:00
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int sctp_local_addr_count(struct sctp_tcb *stcb);
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2006-11-03 15:23:16 +00:00
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#ifdef SCTP_MBCNT_LOGGING
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void
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sctp_free_bufspace(struct sctp_tcb *, struct sctp_association *,
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2007-06-14 22:59:04 +00:00
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struct sctp_tmit_chunk *, int);
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2006-11-03 15:23:16 +00:00
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#else
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#define sctp_free_bufspace(stcb, asoc, tp1, chk_cnt) \
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do { \
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if (tp1->data != NULL) { \
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2007-05-09 13:30:06 +00:00
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atomic_subtract_int(&((asoc)->chunks_on_out_queue), chk_cnt); \
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2006-11-03 15:23:16 +00:00
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if ((asoc)->total_output_queue_size >= tp1->book_size) { \
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2007-05-09 13:30:06 +00:00
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atomic_subtract_int(&((asoc)->total_output_queue_size), tp1->book_size); \
|
2006-11-03 15:23:16 +00:00
|
|
|
} else { \
|
|
|
|
(asoc)->total_output_queue_size = 0; \
|
|
|
|
} \
|
|
|
|
if (stcb->sctp_socket && ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || \
|
|
|
|
(stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { \
|
|
|
|
if (stcb->sctp_socket->so_snd.sb_cc >= tp1->book_size) { \
|
2007-05-09 13:30:06 +00:00
|
|
|
atomic_subtract_int(&((stcb)->sctp_socket->so_snd.sb_cc), tp1->book_size); \
|
2006-11-03 15:23:16 +00:00
|
|
|
} else { \
|
|
|
|
stcb->sctp_socket->so_snd.sb_cc = 0; \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define sctp_free_spbufspace(stcb, asoc, sp) \
|
|
|
|
do { \
|
|
|
|
if (sp->data != NULL) { \
|
|
|
|
if ((asoc)->total_output_queue_size >= sp->length) { \
|
2007-05-09 13:30:06 +00:00
|
|
|
atomic_subtract_int(&(asoc)->total_output_queue_size, sp->length); \
|
2006-11-03 15:23:16 +00:00
|
|
|
} else { \
|
|
|
|
(asoc)->total_output_queue_size = 0; \
|
|
|
|
} \
|
|
|
|
if (stcb->sctp_socket && ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || \
|
|
|
|
(stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { \
|
|
|
|
if (stcb->sctp_socket->so_snd.sb_cc >= sp->length) { \
|
2007-05-09 13:30:06 +00:00
|
|
|
atomic_subtract_int(&stcb->sctp_socket->so_snd.sb_cc,sp->length); \
|
2006-11-03 15:23:16 +00:00
|
|
|
} else { \
|
|
|
|
stcb->sctp_socket->so_snd.sb_cc = 0; \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#define sctp_snd_sb_alloc(stcb, sz) \
|
|
|
|
do { \
|
|
|
|
atomic_add_int(&stcb->asoc.total_output_queue_size,sz); \
|
|
|
|
if ((stcb->sctp_socket != NULL) && \
|
|
|
|
((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || \
|
|
|
|
(stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { \
|
|
|
|
atomic_add_int(&stcb->sctp_socket->so_snd.sb_cc,sz); \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
2011-05-02 15:53:00 +00:00
|
|
|
/* functions to start/stop udp tunneling */
|
|
|
|
/* XXX: Remove the #ifdef after tunneling over IPv6 works also on FreeBSD. */
|
|
|
|
#ifdef INET
|
2008-05-20 13:47:46 +00:00
|
|
|
void sctp_over_udp_stop(void);
|
|
|
|
int sctp_over_udp_start(void);
|
2006-11-03 15:23:16 +00:00
|
|
|
|
2011-05-02 15:53:00 +00:00
|
|
|
#endif
|
|
|
|
|
2006-11-03 15:23:16 +00:00
|
|
|
int
|
|
|
|
sctp_soreceive(struct socket *so, struct sockaddr **psa,
|
|
|
|
struct uio *uio,
|
|
|
|
struct mbuf **mp0,
|
|
|
|
struct mbuf **controlp,
|
|
|
|
int *flagsp);
|
|
|
|
|
|
|
|
void
|
|
|
|
sctp_misc_ints(uint8_t from, uint32_t a, uint32_t b, uint32_t c, uint32_t d);
|
|
|
|
|
|
|
|
void
|
|
|
|
sctp_wakeup_log(struct sctp_tcb *stcb,
|
|
|
|
uint32_t wake_cnt, int from);
|
|
|
|
|
2006-11-11 15:59:01 +00:00
|
|
|
void sctp_log_strm_del_alt(struct sctp_tcb *stcb, uint32_t, uint16_t, uint16_t, int);
|
2006-11-03 15:23:16 +00:00
|
|
|
|
|
|
|
void sctp_log_nagle_event(struct sctp_tcb *stcb, int action);
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
sctp_log_mb(struct mbuf *m, int from);
|
|
|
|
|
|
|
|
void
|
|
|
|
sctp_sblog(struct sockbuf *sb,
|
|
|
|
struct sctp_tcb *stcb, int from, int incr);
|
|
|
|
|
|
|
|
void
|
|
|
|
sctp_log_strm_del(struct sctp_queued_to_read *control,
|
|
|
|
struct sctp_queued_to_read *poschk,
|
|
|
|
int from);
|
|
|
|
void sctp_log_cwnd(struct sctp_tcb *stcb, struct sctp_nets *, int, uint8_t);
|
|
|
|
void rto_logging(struct sctp_nets *net, int from);
|
|
|
|
|
|
|
|
void sctp_log_closing(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int16_t loc);
|
|
|
|
|
|
|
|
void sctp_log_lock(struct sctp_inpcb *inp, struct sctp_tcb *stcb, uint8_t from);
|
|
|
|
void sctp_log_maxburst(struct sctp_tcb *stcb, struct sctp_nets *, int, int, uint8_t);
|
2011-12-17 19:21:40 +00:00
|
|
|
void sctp_log_block(uint8_t, struct sctp_association *, int);
|
2006-11-03 15:23:16 +00:00
|
|
|
void sctp_log_rwnd(uint8_t, uint32_t, uint32_t, uint32_t);
|
|
|
|
void sctp_log_mbcnt(uint8_t, uint32_t, uint32_t, uint32_t, uint32_t);
|
|
|
|
void sctp_log_rwnd_set(uint8_t, uint32_t, uint32_t, uint32_t, uint32_t);
|
2007-03-15 11:27:14 +00:00
|
|
|
int sctp_fill_stat_log(void *, size_t *);
|
2006-11-03 15:23:16 +00:00
|
|
|
void sctp_log_fr(uint32_t, uint32_t, uint32_t, int);
|
|
|
|
void sctp_log_sack(uint32_t, uint32_t, uint32_t, uint16_t, uint16_t, int);
|
|
|
|
void sctp_log_map(uint32_t, uint32_t, uint32_t, int);
|
2010-03-23 01:36:50 +00:00
|
|
|
void sctp_print_mapping_array(struct sctp_association *asoc);
|
2006-11-03 15:23:16 +00:00
|
|
|
void sctp_clr_stat_log(void);
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef SCTP_AUDITING_ENABLED
|
|
|
|
void
|
|
|
|
sctp_auditing(int, struct sctp_inpcb *, struct sctp_tcb *,
|
|
|
|
struct sctp_nets *);
|
|
|
|
void sctp_audit_log(uint8_t, uint8_t);
|
|
|
|
|
|
|
|
#endif
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif
|