2006-11-03 15:23:16 +00:00
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/*-
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2007-01-18 09:58:43 +00:00
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* Copyright (c) 2001-2007, Cisco Systems, Inc. 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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2007-02-12 23:24:31 +00:00
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2006-11-03 15:23:16 +00:00
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#include <netinet/sctp_uio.h>
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/* SCTP Kernel structures */
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/*
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* Names for SCTP sysctl objects
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*/
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#define SCTPCTL_MAXDGRAM 1 /* max datagram size */
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#define SCTPCTL_RECVSPACE 2 /* default receive buffer space */
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#define SCTPCTL_AUTOASCONF 3 /* auto asconf enable/disable flag */
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#define SCTPCTL_ECN_ENABLE 4 /* Is ecn allowed */
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#define SCTPCTL_ECN_NONCE 5 /* Is ecn nonce allowed */
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#define SCTPCTL_STRICT_SACK 6 /* strictly require sack'd TSN's to be
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* smaller than sndnxt. */
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#define SCTPCTL_NOCSUM_LO 7 /* Require that the Loopback NOT have
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* the crc32 checksum on packets
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* routed over it. */
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#define SCTPCTL_STRICT_INIT 8
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#define SCTPCTL_PEER_CHK_OH 9
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#define SCTPCTL_MAXBURST 10
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#define SCTPCTL_MAXCHUNKONQ 11
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#define SCTPCTL_DELAYED_SACK 12
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#define SCTPCTL_HB_INTERVAL 13
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#define SCTPCTL_PMTU_RAISE 14
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#define SCTPCTL_SHUTDOWN_GUARD 15
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#define SCTPCTL_SECRET_LIFETIME 16
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#define SCTPCTL_RTO_MAX 17
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#define SCTPCTL_RTO_MIN 18
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#define SCTPCTL_RTO_INITIAL 19
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#define SCTPCTL_INIT_RTO_MAX 20
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#define SCTPCTL_COOKIE_LIFE 21
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#define SCTPCTL_INIT_RTX_MAX 22
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#define SCTPCTL_ASSOC_RTX_MAX 23
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#define SCTPCTL_PATH_RTX_MAX 24
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#define SCTPCTL_NR_OUTGOING_STREAMS 25
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#define SCTPCTL_CMT_ON_OFF 26
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#define SCTPCTL_CWND_MAXBURST 27
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#define SCTPCTL_EARLY_FR 28
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#define SCTPCTL_RTTVAR_CC 29
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#define SCTPCTL_DEADLOCK_DET 30
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#define SCTPCTL_EARLY_FR_MSEC 31
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#define SCTPCTL_ASCONF_AUTH_NOCHK 32
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#define SCTPCTL_AUTH_DISABLE 33
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#define SCTPCTL_AUTH_RANDOM_LEN 34
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#define SCTPCTL_AUTH_HMAC_ID 35
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#define SCTPCTL_ABC_L_VAR 36
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#define SCTPCTL_MAX_MBUF_CHAIN 37
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#define SCTPCTL_CMT_USE_DAC 38
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#define SCTPCTL_DO_DRAIN 39
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#define SCTPCTL_WARM_CRC32 40
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#define SCTPCTL_QLIMIT_ABORT 41
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#define SCTPCTL_STRICT_ORDER 42
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#define SCTPCTL_TCBHASHSIZE 43
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#define SCTPCTL_PCBHASHSIZE 44
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#define SCTPCTL_CHUNKSCALE 45
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#define SCTPCTL_MINSPLIT 46
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#define SCTPCTL_ADD_MORE 47
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#define SCTPCTL_SYS_RESC 48
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#define SCTPCTL_ASOC_RESC 49
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2006-12-29 20:21:42 +00:00
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#define SCTPCTL_NAT_FRIENDLY 50
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2006-11-03 15:23:16 +00:00
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#ifdef SCTP_DEBUG
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2006-12-29 20:21:42 +00:00
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#define SCTPCTL_DEBUG 51
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#define SCTPCTL_MAXID 51
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2006-11-03 15:23:16 +00:00
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#else
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2006-12-29 20:21:42 +00:00
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#define SCTPCTL_MAXID 50
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2006-11-03 15:23:16 +00:00
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#endif
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#ifdef SCTP_DEBUG
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#define SCTPCTL_NAMES { \
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{ 0, 0 }, \
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{ "sendspace", CTLTYPE_INT }, \
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{ "recvspace", CTLTYPE_INT }, \
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{ "autoasconf", CTLTYPE_INT }, \
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{ "ecn_enable", CTLTYPE_INT }, \
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{ "ecn_nonce", CTLTYPE_INT }, \
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{ "strict_sack", CTLTYPE_INT }, \
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{ "looback_nocsum", CTLTYPE_INT }, \
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{ "strict_init", CTLTYPE_INT }, \
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{ "peer_chkoh", CTLTYPE_INT }, \
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{ "maxburst", CTLTYPE_INT }, \
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{ "maxchunks", CTLTYPE_INT }, \
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{ "delayed_sack_time", CTLTYPE_INT }, \
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{ "heartbeat_interval", CTLTYPE_INT }, \
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{ "pmtu_raise_time", CTLTYPE_INT }, \
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{ "shutdown_guard_time", CTLTYPE_INT }, \
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{ "secret_lifetime", CTLTYPE_INT }, \
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{ "rto_max", CTLTYPE_INT }, \
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{ "rto_min", CTLTYPE_INT }, \
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{ "rto_initial", CTLTYPE_INT }, \
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{ "init_rto_max", CTLTYPE_INT }, \
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{ "valid_cookie_life", CTLTYPE_INT }, \
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{ "init_rtx_max", CTLTYPE_INT }, \
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{ "assoc_rtx_max", CTLTYPE_INT }, \
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{ "path_rtx_max", CTLTYPE_INT }, \
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{ "nr_outgoing_streams", CTLTYPE_INT }, \
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{ "cmt_on_off", CTLTYPE_INT }, \
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{ "cwnd_maxburst", CTLTYPE_INT }, \
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{ "early_fast_retran", CTLTYPE_INT }, \
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{ "use_rttvar_congctrl", CTLTYPE_INT }, \
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{ "deadlock_detect", CTLTYPE_INT }, \
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{ "early_fast_retran_msec", CTLTYPE_INT }, \
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{ "asconf_auth_nochk", CTLTYPE_INT }, \
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{ "auth_disable", CTLTYPE_INT }, \
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{ "auth_random_len", CTLTYPE_INT }, \
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{ "auth_hmac_id", CTLTYPE_INT }, \
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{ "abc_l_var", CTLTYPE_INT }, \
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{ "max_mbuf_chain", CTLTYPE_INT }, \
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{ "cmt_use_dac", CTLTYPE_INT }, \
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{ "do_sctp_drain", CTLTYPE_INT }, \
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{ "warm_crc_table", CTLTYPE_INT }, \
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{ "abort_at_limit", CTLTYPE_INT }, \
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{ "strict_data_order", CTLTYPE_INT }, \
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{ "tcbhashsize", CTLTYPE_INT }, \
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{ "pcbhashsize", CTLTYPE_INT }, \
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{ "chunkscale", CTLTYPE_INT }, \
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{ "min_split_point", CTLTYPE_INT }, \
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{ "add_more_on_output", CTLTYPE_INT }, \
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{ "sys_resource", CTLTYPE_INT }, \
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{ "asoc_resource", CTLTYPE_INT }, \
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2006-12-29 20:21:42 +00:00
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{ "nat_friendly", CTLTYPE_INT }, \
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2006-11-03 15:23:16 +00:00
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{ "debug", CTLTYPE_INT }, \
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}
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#else
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#define SCTPCTL_NAMES { \
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{ 0, 0 }, \
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{ "sendspace", CTLTYPE_INT }, \
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{ "recvspace", CTLTYPE_INT }, \
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{ "autoasconf", CTLTYPE_INT }, \
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{ "ecn_enable", CTLTYPE_INT }, \
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{ "ecn_nonce", CTLTYPE_INT }, \
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{ "strict_sack", CTLTYPE_INT }, \
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{ "looback_nocsum", CTLTYPE_INT }, \
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{ "strict_init", CTLTYPE_INT }, \
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{ "peer_chkoh", CTLTYPE_INT }, \
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{ "maxburst", CTLTYPE_INT }, \
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{ "maxchunks", CTLTYPE_INT }, \
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{ "delayed_sack_time", CTLTYPE_INT }, \
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{ "heartbeat_interval", CTLTYPE_INT }, \
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{ "pmtu_raise_time", CTLTYPE_INT }, \
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{ "shutdown_guard_time", CTLTYPE_INT }, \
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{ "secret_lifetime", CTLTYPE_INT }, \
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{ "rto_max", CTLTYPE_INT }, \
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{ "rto_min", CTLTYPE_INT }, \
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{ "rto_initial", CTLTYPE_INT }, \
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{ "init_rto_max", CTLTYPE_INT }, \
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{ "valid_cookie_life", CTLTYPE_INT }, \
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{ "init_rtx_max", CTLTYPE_INT }, \
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{ "assoc_rtx_max", CTLTYPE_INT }, \
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{ "path_rtx_max", CTLTYPE_INT }, \
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{ "nr_outgoing_streams", CTLTYPE_INT }, \
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{ "cmt_on_off", CTLTYPE_INT }, \
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{ "cwnd_maxburst", CTLTYPE_INT }, \
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{ "early_fast_retran", CTLTYPE_INT }, \
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{ "use_rttvar_congctrl", CTLTYPE_INT }, \
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{ "deadlock_detect", CTLTYPE_INT }, \
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{ "early_fast_retran_msec", CTLTYPE_INT }, \
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{ "asconf_auth_nochk", CTLTYPE_INT }, \
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{ "auth_disable", CTLTYPE_INT }, \
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{ "auth_random_len", CTLTYPE_INT }, \
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{ "auth_hmac_id", CTLTYPE_INT }, \
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{ "abc_l_var", CTLTYPE_INT }, \
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{ "max_mbuf_chain", CTLTYPE_INT }, \
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{ "cmt_use_dac", CTLTYPE_INT }, \
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{ "do_sctp_drain", CTLTYPE_INT }, \
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{ "warm_crc_table", CTLTYPE_INT }, \
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{ "abort_at_limit", CTLTYPE_INT }, \
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{ "strict_data_order", CTLTYPE_INT }, \
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{ "tcbhashsize", CTLTYPE_INT }, \
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{ "pcbhashsize", CTLTYPE_INT }, \
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{ "chunkscale", CTLTYPE_INT }, \
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{ "min_split_point", CTLTYPE_INT }, \
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{ "add_more_on_output", CTLTYPE_INT }, \
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{ "sys_resource", CTLTYPE_INT }, \
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{ "asoc_resource", CTLTYPE_INT }, \
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2006-12-29 20:21:42 +00:00
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{ "nat_friendly", CTLTYPE_INT }, \
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2006-11-03 15:23:16 +00:00
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}
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#endif
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#if defined(_KERNEL)
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#ifdef SYSCTL_DECL
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SYSCTL_DECL(_net_inet_sctp);
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#endif
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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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#define sctp_is_feature_on(inp, feature) (inp->sctp_features & feature)
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#define sctp_is_feature_off(inp, feature) ((inp->sctp_features & feature) == 0)
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#define sctp_sbspace(asoc, sb) ((long) (((sb)->sb_hiwat > (asoc)->sb_cc) ? ((sb)->sb_hiwat - (asoc)->sb_cc) : 0))
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#define sctp_sbspace_failedmsgs(sb) ((long) (((sb)->sb_hiwat > (sb)->sb_cc) ? ((sb)->sb_hiwat - (sb)->sb_cc) : 0))
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#define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
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extern uint32_t sctp_asoc_free_resc_limit;
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extern uint32_t sctp_system_free_resc_limit;
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/* I tried to cache the readq entries at one
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* point. But the reality is that it did not
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* add any performance since this meant
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* we had to lock the STCB on read. And at that point
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* once you have to do an extra lock, it really does
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* not matter if the lock is in the ZONE stuff or
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* in our code. Note that this same problem would
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* occur with an mbuf cache as well so it is
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* not really worth doing, at least right now :-D
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*/
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#define sctp_free_a_readq(_stcb, _readq) { \
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SCTP_ZONE_FREE(sctppcbinfo.ipi_zone_readq, (_readq)); \
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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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(_readq) = SCTP_ZONE_GET(sctppcbinfo.ipi_zone_readq, struct sctp_queued_to_read); \
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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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2007-02-12 23:24:31 +00:00
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if (((_stcb)->asoc.free_strmoq_cnt > sctp_asoc_free_resc_limit) || \
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(sctppcbinfo.ipi_free_strmoq > sctp_system_free_resc_limit)) { \
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2006-11-03 15:23:16 +00:00
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SCTP_ZONE_FREE(sctppcbinfo.ipi_zone_strmoq, (_strmoq)); \
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SCTP_DECR_STRMOQ_COUNT(); \
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2007-02-12 23:24:31 +00:00
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} else { \
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TAILQ_INSERT_TAIL(&(_stcb)->asoc.free_strmoq, (_strmoq), next); \
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2007-02-12 23:24:31 +00:00
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(_stcb)->asoc.free_strmoq_cnt++; \
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atomic_add_int(&sctppcbinfo.ipi_free_strmoq, 1); \
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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_strmoq(_stcb, _strmoq) { \
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2007-02-12 23:24:31 +00:00
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if (TAILQ_EMPTY(&(_stcb)->asoc.free_strmoq)) { \
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(_strmoq) = SCTP_ZONE_GET(sctppcbinfo.ipi_zone_strmoq, struct sctp_stream_queue_pending); \
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if ((_strmoq)) { \
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SCTP_INCR_STRMOQ_COUNT(); \
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} \
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} else { \
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(_strmoq) = TAILQ_FIRST(&(_stcb)->asoc.free_strmoq); \
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TAILQ_REMOVE(&(_stcb)->asoc.free_strmoq, (_strmoq), next); \
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atomic_subtract_int(&sctppcbinfo.ipi_free_strmoq, 1); \
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(_stcb)->asoc.free_strmoq_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_a_chunk(_stcb, _chk) { \
|
2007-02-12 23:24:31 +00:00
|
|
|
if (((_stcb)->asoc.free_chunk_cnt > sctp_asoc_free_resc_limit) || \
|
|
|
|
(sctppcbinfo.ipi_free_chunks > sctp_system_free_resc_limit)) { \
|
2006-11-03 15:23:16 +00:00
|
|
|
SCTP_ZONE_FREE(sctppcbinfo.ipi_zone_chunk, (_chk)); \
|
|
|
|
SCTP_DECR_CHK_COUNT(); \
|
2007-02-12 23:24:31 +00:00
|
|
|
} else { \
|
2006-11-03 15:23:16 +00:00
|
|
|
TAILQ_INSERT_TAIL(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
|
2007-02-12 23:24:31 +00:00
|
|
|
(_stcb)->asoc.free_chunk_cnt++; \
|
|
|
|
atomic_add_int(&sctppcbinfo.ipi_free_chunks, 1); \
|
|
|
|
} \
|
2006-11-03 15:23:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#define sctp_alloc_a_chunk(_stcb, _chk) { \
|
2007-02-12 23:24:31 +00:00
|
|
|
if (TAILQ_EMPTY(&(_stcb)->asoc.free_chunks)) { \
|
|
|
|
(_chk) = SCTP_ZONE_GET(sctppcbinfo.ipi_zone_chunk, struct sctp_tmit_chunk); \
|
|
|
|
if ((_chk)) { \
|
|
|
|
SCTP_INCR_CHK_COUNT(); \
|
|
|
|
} \
|
|
|
|
} else { \
|
|
|
|
(_chk) = TAILQ_FIRST(&(_stcb)->asoc.free_chunks); \
|
|
|
|
TAILQ_REMOVE(&(_stcb)->asoc.free_chunks, (_chk), sctp_next); \
|
|
|
|
atomic_subtract_int(&sctppcbinfo.ipi_free_chunks, 1); \
|
|
|
|
(_stcb)->asoc.free_chunk_cnt--; \
|
2006-11-03 15:23:16 +00:00
|
|
|
} \
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define sctp_free_remote_addr(__net) { \
|
|
|
|
if ((__net)) { \
|
2007-02-12 23:24:31 +00:00
|
|
|
if (atomic_fetchadd_int(&(__net)->ref_count, -1) == 1) { \
|
2006-12-29 20:21:42 +00:00
|
|
|
SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
|
|
|
|
SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
|
|
|
|
SCTP_OS_TIMER_STOP(&(__net)->fr_timer.timer); \
|
2006-11-03 15:23:16 +00:00
|
|
|
(__net)->dest_state = SCTP_ADDR_NOT_REACHABLE; \
|
|
|
|
SCTP_ZONE_FREE(sctppcbinfo.ipi_zone_net, (__net)); \
|
|
|
|
SCTP_DECR_RADDR_COUNT(); \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
}
|
|
|
|
|
|
|
|
#define sctp_sbfree(ctl, stcb, sb, m) { \
|
2007-02-12 23:24:31 +00:00
|
|
|
uint32_t val; \
|
|
|
|
val = atomic_fetchadd_int(&(sb)->sb_cc,-(SCTP_BUF_LEN((m)))); \
|
|
|
|
if (val < SCTP_BUF_LEN((m))) { \
|
|
|
|
panic("sb_cc goes negative"); \
|
|
|
|
} \
|
|
|
|
val = atomic_fetchadd_int(&(sb)->sb_mbcnt,-(MSIZE)); \
|
|
|
|
if (val < MSIZE) { \
|
|
|
|
panic("sb_mbcnt goes negative"); \
|
|
|
|
} \
|
|
|
|
if (SCTP_BUF_IS_EXTENDED(m)) { \
|
|
|
|
val = atomic_fetchadd_int(&(sb)->sb_mbcnt,-(SCTP_BUF_EXTEND_SIZE(m))); \
|
|
|
|
if (val < SCTP_BUF_EXTEND_SIZE(m)) { \
|
|
|
|
panic("sb_mbcnt goes negative2"); \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
if (((ctl)->do_not_ref_stcb == 0) && stcb) {\
|
|
|
|
val = atomic_fetchadd_int(&(stcb)->asoc.sb_cc,-(SCTP_BUF_LEN((m)))); \
|
|
|
|
if (val < SCTP_BUF_LEN((m))) {\
|
|
|
|
panic("stcb->sb_cc goes negative"); \
|
|
|
|
} \
|
|
|
|
val = atomic_fetchadd_int(&(stcb)->asoc.sb_mbcnt,-(MSIZE)); \
|
|
|
|
if (val < MSIZE) { \
|
|
|
|
panic("asoc->mbcnt goes negative"); \
|
|
|
|
} \
|
2006-12-29 20:21:42 +00:00
|
|
|
if (SCTP_BUF_IS_EXTENDED(m)) { \
|
2007-02-12 23:24:31 +00:00
|
|
|
val = atomic_fetchadd_int(&(stcb)->asoc.sb_mbcnt,-(SCTP_BUF_EXTEND_SIZE(m))); \
|
|
|
|
if (val < SCTP_BUF_EXTEND_SIZE(m)) { \
|
2006-11-03 15:23:16 +00:00
|
|
|
panic("assoc stcb->mbcnt would go negative"); \
|
2007-02-12 23:24:31 +00:00
|
|
|
} \
|
|
|
|
} \
|
|
|
|
} \
|
2006-12-29 20:21:42 +00:00
|
|
|
if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
|
|
|
|
SCTP_BUF_TYPE(m) != MT_OOBDATA) \
|
|
|
|
atomic_subtract_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
|
2006-11-03 15:23:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#define sctp_sballoc(stcb, sb, m) { \
|
2006-12-29 20:21:42 +00:00
|
|
|
atomic_add_int(&(sb)->sb_cc,SCTP_BUF_LEN((m))); \
|
2006-11-03 15:23:16 +00:00
|
|
|
atomic_add_int(&(sb)->sb_mbcnt, MSIZE); \
|
2006-12-29 20:21:42 +00:00
|
|
|
if (SCTP_BUF_IS_EXTENDED(m)) \
|
|
|
|
atomic_add_int(&(sb)->sb_mbcnt,SCTP_BUF_EXTEND_SIZE(m)); \
|
2007-02-12 23:24:31 +00:00
|
|
|
if (stcb) { \
|
|
|
|
atomic_add_int(&(stcb)->asoc.sb_cc,SCTP_BUF_LEN((m))); \
|
|
|
|
atomic_add_int(&(stcb)->asoc.sb_mbcnt, MSIZE); \
|
|
|
|
if (SCTP_BUF_IS_EXTENDED(m)) \
|
|
|
|
atomic_add_int(&(stcb)->asoc.sb_mbcnt,SCTP_BUF_EXTEND_SIZE(m)); \
|
|
|
|
} \
|
2006-12-29 20:21:42 +00:00
|
|
|
if (SCTP_BUF_TYPE(m) != MT_DATA && SCTP_BUF_TYPE(m) != MT_HEADER && \
|
|
|
|
SCTP_BUF_TYPE(m) != MT_OOBDATA) \
|
|
|
|
atomic_add_int(&(sb)->sb_ctl,SCTP_BUF_LEN((m))); \
|
2006-11-03 15:23:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#define sctp_ucount_incr(val) { \
|
|
|
|
val++; \
|
|
|
|
}
|
|
|
|
|
|
|
|
#define sctp_ucount_decr(val) { \
|
|
|
|
if (val > 0) { \
|
|
|
|
val--; \
|
|
|
|
} else { \
|
|
|
|
val = 0; \
|
|
|
|
} \
|
|
|
|
}
|
|
|
|
|
|
|
|
#define sctp_mbuf_crush(data) do { \
|
2007-02-12 23:24:31 +00:00
|
|
|
struct mbuf *_m; \
|
|
|
|
_m = (data); \
|
|
|
|
while(_m && (SCTP_BUF_LEN(_m) == 0)) { \
|
|
|
|
(data) = SCTP_BUF_NEXT(_m); \
|
|
|
|
SCTP_BUF_NEXT(_m) = NULL; \
|
|
|
|
sctp_m_free(_m); \
|
2006-11-03 15:23:16 +00:00
|
|
|
_m = (data); \
|
2007-02-12 23:24:31 +00:00
|
|
|
} \
|
2006-11-03 15:23:16 +00:00
|
|
|
} while (0)
|
|
|
|
|
|
|
|
|
2006-12-29 20:21:42 +00:00
|
|
|
/*
|
|
|
|
* some sysctls
|
|
|
|
*/
|
2006-11-03 15:23:16 +00:00
|
|
|
extern int sctp_sendspace;
|
|
|
|
extern int sctp_recvspace;
|
|
|
|
extern int sctp_ecn_enable;
|
|
|
|
extern int sctp_ecn_nonce;
|
|
|
|
extern int sctp_use_cwnd_based_maxburst;
|
|
|
|
extern unsigned int sctp_cmt_on_off;
|
|
|
|
extern unsigned int sctp_cmt_use_dac;
|
|
|
|
extern unsigned int sctp_cmt_sockopt_on_off;
|
2006-12-29 20:21:42 +00:00
|
|
|
extern uint32_t sctp_nat_friendly;
|
|
|
|
|
2006-11-03 15:23:16 +00:00
|
|
|
struct sctp_nets;
|
|
|
|
struct sctp_inpcb;
|
|
|
|
struct sctp_tcb;
|
|
|
|
struct sctphdr;
|
|
|
|
|
|
|
|
void sctp_ctlinput __P((int, struct sockaddr *, void *));
|
|
|
|
int sctp_ctloutput __P((struct socket *, struct sockopt *));
|
|
|
|
void sctp_input __P((struct mbuf *, int));
|
|
|
|
|
|
|
|
void sctp_drain __P((void));
|
|
|
|
void sctp_init __P((void));
|
|
|
|
|
2007-01-15 15:12:10 +00:00
|
|
|
|
|
|
|
void sctp_pcbinfo_cleanup(void);
|
|
|
|
|
2006-11-03 15:23:16 +00:00
|
|
|
int sctp_shutdown __P((struct socket *));
|
|
|
|
void sctp_notify
|
|
|
|
__P((struct sctp_inpcb *, int, struct sctphdr *,
|
|
|
|
struct sockaddr *, struct sctp_tcb *,
|
|
|
|
struct sctp_nets *));
|
|
|
|
|
|
|
|
#if defined(INET6)
|
|
|
|
void ip_2_ip6_hdr __P((struct ip6_hdr *, struct ip *));
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
int sctp_bindx(struct socket *, int, struct sockaddr_storage *,
|
|
|
|
int, int, struct proc *);
|
|
|
|
|
|
|
|
/* can't use sctp_assoc_t here */
|
|
|
|
int sctp_peeloff(struct socket *, struct socket *, int, caddr_t, int *);
|
|
|
|
|
|
|
|
sctp_assoc_t sctp_getassocid(struct sockaddr *);
|
|
|
|
|
|
|
|
|
|
|
|
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_ */
|