1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/sctp/src/netinet/sctp_constants.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,1134 @@
1.4 +/*-
1.5 + * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
1.6 + * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
1.7 + * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
1.8 + *
1.9 + * Redistribution and use in source and binary forms, with or without
1.10 + * modification, are permitted provided that the following conditions are met:
1.11 + *
1.12 + * a) Redistributions of source code must retain the above copyright notice,
1.13 + * this list of conditions and the following disclaimer.
1.14 + *
1.15 + * b) Redistributions in binary form must reproduce the above copyright
1.16 + * notice, this list of conditions and the following disclaimer in
1.17 + * the documentation and/or other materials provided with the distribution.
1.18 + *
1.19 + * c) Neither the name of Cisco Systems, Inc. nor the names of its
1.20 + * contributors may be used to endorse or promote products derived
1.21 + * from this software without specific prior written permission.
1.22 + *
1.23 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.24 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
1.25 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.26 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
1.27 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.28 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.29 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.30 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.31 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.32 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
1.33 + * THE POSSIBILITY OF SUCH DAMAGE.
1.34 + */
1.35 +
1.36 +#ifdef __FreeBSD__
1.37 +#include <sys/cdefs.h>
1.38 +__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 256556 2013-10-15 20:21:27Z tuexen $");
1.39 +#endif
1.40 +
1.41 +#ifndef _NETINET_SCTP_CONSTANTS_H_
1.42 +#define _NETINET_SCTP_CONSTANTS_H_
1.43 +
1.44 +#if defined(__Userspace_os_Windows)
1.45 +extern void getwintimeofday(struct timeval *tv);
1.46 +#endif
1.47 +/* IANA assigned port number for SCTP over UDP encapsulation */
1.48 +#ifdef __FreeBSD__
1.49 +/* For freebsd we cannot bind the port at
1.50 + * startup. Otherwise what will happen is
1.51 + * we really won't be bound. The user must
1.52 + * put it into the sysctl... or we need
1.53 + * to build a special timer for this to allow
1.54 + * us to wait 1 second or so after the system
1.55 + * comes up.
1.56 + */
1.57 +#define SCTP_OVER_UDP_TUNNELING_PORT 0
1.58 +#else
1.59 +#define SCTP_OVER_UDP_TUNNELING_PORT 9899
1.60 +#endif
1.61 +/* Number of packets to get before sack sent by default */
1.62 +#define SCTP_DEFAULT_SACK_FREQ 2
1.63 +
1.64 +/* Address limit - This variable is calculated
1.65 + * based on an 65535 byte max ip packet. We take out 100 bytes
1.66 + * for the cookie, 40 bytes for a v6 header and 32
1.67 + * bytes for the init structure. A second init structure
1.68 + * for the init-ack and then finally a third one for the
1.69 + * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes.
1.70 + * This leaves 65299 bytes for addresses. We throw out the 299 bytes.
1.71 + * Now whatever we send in the INIT() we need to allow to get back in the
1.72 + * INIT-ACK plus all the values from INIT and INIT-ACK
1.73 + * listed in the cookie. Plus we need some overhead for
1.74 + * maybe copied parameters in the COOKIE. If we
1.75 + * allow 1080 addresses, and each side has 1080 V6 addresses
1.76 + * that will be 21600 bytes. In the INIT-ACK we will
1.77 + * see the INIT-ACK 21600 + 43200 in the cookie. This leaves
1.78 + * about 500 bytes slack for misc things in the cookie.
1.79 + */
1.80 +#define SCTP_ADDRESS_LIMIT 1080
1.81 +
1.82 +/* We need at least 2k of space for us, inits
1.83 + * larger than that lets abort.
1.84 + */
1.85 +#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048)
1.86 +
1.87 +/* Number of addresses where we just skip the counting */
1.88 +#define SCTP_COUNT_LIMIT 40
1.89 +
1.90 +#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000)
1.91 +#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000)
1.92 +
1.93 +/* Number of ticks to delay before running
1.94 + * iterator on an address change.
1.95 + */
1.96 +#define SCTP_ADDRESS_TICK_DELAY 2
1.97 +
1.98 +#define SCTP_VERSION_STRING "KAME-BSD 1.1"
1.99 +/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */
1.100 +#define SCTP_AUDIT_SIZE 256
1.101 +
1.102 +
1.103 +#define SCTP_KTRHEAD_NAME "sctp_iterator"
1.104 +#define SCTP_KTHREAD_PAGES 0
1.105 +
1.106 +#define SCTP_MCORE_NAME "sctp_core_worker"
1.107 +
1.108 +
1.109 +/* If you support Multi-VRF how big to
1.110 + * make the initial array of VRF's to.
1.111 + */
1.112 +#define SCTP_DEFAULT_VRF_SIZE 4
1.113 +
1.114 +/* constants for rto calc */
1.115 +#define sctp_align_safe_nocopy 0
1.116 +#define sctp_align_unsafe_makecopy 1
1.117 +
1.118 +/* JRS - Values defined for the HTCP algorithm */
1.119 +#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
1.120 +#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */
1.121 +#define BETA_MAX 102 /* 0.8 with shift << 7 */
1.122 +
1.123 +/* Places that CWND log can happen from */
1.124 +#define SCTP_CWND_LOG_FROM_FR 1
1.125 +#define SCTP_CWND_LOG_FROM_RTX 2
1.126 +#define SCTP_CWND_LOG_FROM_BRST 3
1.127 +#define SCTP_CWND_LOG_FROM_SS 4
1.128 +#define SCTP_CWND_LOG_FROM_CA 5
1.129 +#define SCTP_CWND_LOG_FROM_SAT 6
1.130 +#define SCTP_BLOCK_LOG_INTO_BLK 7
1.131 +#define SCTP_BLOCK_LOG_OUTOF_BLK 8
1.132 +#define SCTP_BLOCK_LOG_CHECK 9
1.133 +#define SCTP_STR_LOG_FROM_INTO_STRD 10
1.134 +#define SCTP_STR_LOG_FROM_IMMED_DEL 11
1.135 +#define SCTP_STR_LOG_FROM_INSERT_HD 12
1.136 +#define SCTP_STR_LOG_FROM_INSERT_MD 13
1.137 +#define SCTP_STR_LOG_FROM_INSERT_TL 14
1.138 +#define SCTP_STR_LOG_FROM_MARK_TSN 15
1.139 +#define SCTP_STR_LOG_FROM_EXPRS_DEL 16
1.140 +#define SCTP_FR_LOG_BIGGEST_TSNS 17
1.141 +#define SCTP_FR_LOG_STRIKE_TEST 18
1.142 +#define SCTP_FR_LOG_STRIKE_CHUNK 19
1.143 +#define SCTP_FR_T3_TIMEOUT 20
1.144 +#define SCTP_MAP_PREPARE_SLIDE 21
1.145 +#define SCTP_MAP_SLIDE_FROM 22
1.146 +#define SCTP_MAP_SLIDE_RESULT 23
1.147 +#define SCTP_MAP_SLIDE_CLEARED 24
1.148 +#define SCTP_MAP_SLIDE_NONE 25
1.149 +#define SCTP_FR_T3_MARK_TIME 26
1.150 +#define SCTP_FR_T3_MARKED 27
1.151 +#define SCTP_FR_T3_STOPPED 28
1.152 +#define SCTP_FR_MARKED 30
1.153 +#define SCTP_CWND_LOG_NOADV_SS 31
1.154 +#define SCTP_CWND_LOG_NOADV_CA 32
1.155 +#define SCTP_MAX_BURST_APPLIED 33
1.156 +#define SCTP_MAX_IFP_APPLIED 34
1.157 +#define SCTP_MAX_BURST_ERROR_STOP 35
1.158 +#define SCTP_INCREASE_PEER_RWND 36
1.159 +#define SCTP_DECREASE_PEER_RWND 37
1.160 +#define SCTP_SET_PEER_RWND_VIA_SACK 38
1.161 +#define SCTP_LOG_MBCNT_INCREASE 39
1.162 +#define SCTP_LOG_MBCNT_DECREASE 40
1.163 +#define SCTP_LOG_MBCNT_CHKSET 41
1.164 +#define SCTP_LOG_NEW_SACK 42
1.165 +#define SCTP_LOG_TSN_ACKED 43
1.166 +#define SCTP_LOG_TSN_REVOKED 44
1.167 +#define SCTP_LOG_LOCK_TCB 45
1.168 +#define SCTP_LOG_LOCK_INP 46
1.169 +#define SCTP_LOG_LOCK_SOCK 47
1.170 +#define SCTP_LOG_LOCK_SOCKBUF_R 48
1.171 +#define SCTP_LOG_LOCK_SOCKBUF_S 49
1.172 +#define SCTP_LOG_LOCK_CREATE 50
1.173 +#define SCTP_LOG_INITIAL_RTT 51
1.174 +#define SCTP_LOG_RTTVAR 52
1.175 +#define SCTP_LOG_SBALLOC 53
1.176 +#define SCTP_LOG_SBFREE 54
1.177 +#define SCTP_LOG_SBRESULT 55
1.178 +#define SCTP_FR_DUPED 56
1.179 +#define SCTP_FR_MARKED_EARLY 57
1.180 +#define SCTP_FR_CWND_REPORT 58
1.181 +#define SCTP_FR_CWND_REPORT_START 59
1.182 +#define SCTP_FR_CWND_REPORT_STOP 60
1.183 +#define SCTP_CWND_LOG_FROM_SEND 61
1.184 +#define SCTP_CWND_INITIALIZATION 62
1.185 +#define SCTP_CWND_LOG_FROM_T3 63
1.186 +#define SCTP_CWND_LOG_FROM_SACK 64
1.187 +#define SCTP_CWND_LOG_NO_CUMACK 65
1.188 +#define SCTP_CWND_LOG_FROM_RESEND 66
1.189 +#define SCTP_FR_LOG_CHECK_STRIKE 67
1.190 +#define SCTP_SEND_NOW_COMPLETES 68
1.191 +#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69
1.192 +#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70
1.193 +#define SCTP_LOG_FREE_SENT 71
1.194 +#define SCTP_NAGLE_APPLIED 72
1.195 +#define SCTP_NAGLE_SKIPPED 73
1.196 +#define SCTP_WAKESND_FROM_SACK 74
1.197 +#define SCTP_WAKESND_FROM_FWDTSN 75
1.198 +#define SCTP_NOWAKE_FROM_SACK 76
1.199 +#define SCTP_CWNDLOG_PRESEND 77
1.200 +#define SCTP_CWNDLOG_ENDSEND 78
1.201 +#define SCTP_AT_END_OF_SACK 79
1.202 +#define SCTP_REASON_FOR_SC 80
1.203 +#define SCTP_BLOCK_LOG_INTO_BLKA 81
1.204 +#define SCTP_ENTER_USER_RECV 82
1.205 +#define SCTP_USER_RECV_SACKS 83
1.206 +#define SCTP_SORECV_BLOCKSA 84
1.207 +#define SCTP_SORECV_BLOCKSB 85
1.208 +#define SCTP_SORECV_DONE 86
1.209 +#define SCTP_SACK_RWND_UPDATE 87
1.210 +#define SCTP_SORECV_ENTER 88
1.211 +#define SCTP_SORECV_ENTERPL 89
1.212 +#define SCTP_MBUF_INPUT 90
1.213 +#define SCTP_MBUF_IALLOC 91
1.214 +#define SCTP_MBUF_IFREE 92
1.215 +#define SCTP_MBUF_ICOPY 93
1.216 +#define SCTP_MBUF_SPLIT 94
1.217 +#define SCTP_SORCV_FREECTL 95
1.218 +#define SCTP_SORCV_DOESCPY 96
1.219 +#define SCTP_SORCV_DOESLCK 97
1.220 +#define SCTP_SORCV_DOESADJ 98
1.221 +#define SCTP_SORCV_BOTWHILE 99
1.222 +#define SCTP_SORCV_PASSBF 100
1.223 +#define SCTP_SORCV_ADJD 101
1.224 +#define SCTP_UNKNOWN_MAX 102
1.225 +#define SCTP_RANDY_STUFF 103
1.226 +#define SCTP_RANDY_STUFF1 104
1.227 +#define SCTP_STRMOUT_LOG_ASSIGN 105
1.228 +#define SCTP_STRMOUT_LOG_SEND 106
1.229 +#define SCTP_FLIGHT_LOG_DOWN_CA 107
1.230 +#define SCTP_FLIGHT_LOG_UP 108
1.231 +#define SCTP_FLIGHT_LOG_DOWN_GAP 109
1.232 +#define SCTP_FLIGHT_LOG_DOWN_RSND 110
1.233 +#define SCTP_FLIGHT_LOG_UP_RSND 111
1.234 +#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112
1.235 +#define SCTP_FLIGHT_LOG_DOWN_WP 113
1.236 +#define SCTP_FLIGHT_LOG_UP_REVOKE 114
1.237 +#define SCTP_FLIGHT_LOG_DOWN_PDRP 115
1.238 +#define SCTP_FLIGHT_LOG_DOWN_PMTU 116
1.239 +#define SCTP_SACK_LOG_NORMAL 117
1.240 +#define SCTP_SACK_LOG_EXPRESS 118
1.241 +#define SCTP_MAP_TSN_ENTERS 119
1.242 +#define SCTP_THRESHOLD_CLEAR 120
1.243 +#define SCTP_THRESHOLD_INCR 121
1.244 +#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122
1.245 +#define SCTP_FWD_TSN_CHECK 123
1.246 +#define SCTP_LOG_MAX_TYPES 124
1.247 +/*
1.248 + * To turn on various logging, you must first enable 'options KTR' and
1.249 + * you might want to bump the entires 'options KTR_ENTRIES=80000'.
1.250 + * To get something to log you define one of the logging defines.
1.251 + * (see LINT).
1.252 + *
1.253 + * This gets the compile in place, but you still need to turn the
1.254 + * logging flag on too in the sysctl (see in sctp.h).
1.255 + */
1.256 +
1.257 +#define SCTP_LOG_EVENT_UNKNOWN 0
1.258 +#define SCTP_LOG_EVENT_CWND 1
1.259 +#define SCTP_LOG_EVENT_BLOCK 2
1.260 +#define SCTP_LOG_EVENT_STRM 3
1.261 +#define SCTP_LOG_EVENT_FR 4
1.262 +#define SCTP_LOG_EVENT_MAP 5
1.263 +#define SCTP_LOG_EVENT_MAXBURST 6
1.264 +#define SCTP_LOG_EVENT_RWND 7
1.265 +#define SCTP_LOG_EVENT_MBCNT 8
1.266 +#define SCTP_LOG_EVENT_SACK 9
1.267 +#define SCTP_LOG_LOCK_EVENT 10
1.268 +#define SCTP_LOG_EVENT_RTT 11
1.269 +#define SCTP_LOG_EVENT_SB 12
1.270 +#define SCTP_LOG_EVENT_NAGLE 13
1.271 +#define SCTP_LOG_EVENT_WAKE 14
1.272 +#define SCTP_LOG_MISC_EVENT 15
1.273 +#define SCTP_LOG_EVENT_CLOSE 16
1.274 +#define SCTP_LOG_EVENT_MBUF 17
1.275 +#define SCTP_LOG_CHUNK_PROC 18
1.276 +#define SCTP_LOG_ERROR_RET 19
1.277 +
1.278 +#define SCTP_LOG_MAX_EVENT 20
1.279 +
1.280 +#define SCTP_LOCK_UNKNOWN 2
1.281 +
1.282 +
1.283 +/* number of associations by default for zone allocation */
1.284 +#define SCTP_MAX_NUM_OF_ASOC 40000
1.285 +/* how many addresses per assoc remote and local */
1.286 +#define SCTP_SCALE_FOR_ADDR 2
1.287 +
1.288 +/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
1.289 +#if defined(__APPLE__)
1.290 +#if !defined(SCTP_APPLE_AUTO_ASCONF)
1.291 +#define SCTP_DEFAULT_AUTO_ASCONF 0
1.292 +#else
1.293 +#define SCTP_DEFAULT_AUTO_ASCONF 1
1.294 +#endif
1.295 +#else
1.296 +#define SCTP_DEFAULT_AUTO_ASCONF 1
1.297 +#endif
1.298 +
1.299 +/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */
1.300 +#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0
1.301 +
1.302 +/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */
1.303 +#if defined(__APPLE__)
1.304 +#if !defined(SCTP_APPLE_MOBILITY_BASE)
1.305 +#define SCTP_DEFAULT_MOBILITY_BASE 0
1.306 +#else
1.307 +#define SCTP_DEFAULT_MOBILITY_BASE 1
1.308 +#endif
1.309 +#else
1.310 +#define SCTP_DEFAULT_MOBILITY_BASE 0
1.311 +#endif
1.312 +
1.313 +/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */
1.314 +#if defined(__APPLE__)
1.315 +#if !defined(SCTP_APPLE_MOBILITY_FASTHANDOFF)
1.316 +#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
1.317 +#else
1.318 +#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 1
1.319 +#endif
1.320 +#else
1.321 +#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
1.322 +#endif
1.323 +
1.324 +/*
1.325 + * Theshold for rwnd updates, we have to read (sb_hiwat >>
1.326 + * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a
1.327 + * window update sack. When we look, we compare the last rwnd we sent vs the
1.328 + * current rwnd. It too must be greater than this value. Using 3 divdes the
1.329 + * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need
1.330 + * to read 8k. This seems about right.. I hope :-D.. we do set a
1.331 + * min of a MTU on it so if the rwnd is real small we will insist
1.332 + * on a full MTU of 1500 bytes.
1.333 + */
1.334 +#define SCTP_RWND_HIWAT_SHIFT 3
1.335 +
1.336 +/* How much of the rwnd must the
1.337 + * message be taking up to start partial delivery.
1.338 + * We calculate this by shifing the hi_water (recv_win)
1.339 + * left the following .. set to 1, when a message holds
1.340 + * 1/2 the rwnd. If we set it to 2 when a message holds
1.341 + * 1/4 the rwnd...etc..
1.342 + */
1.343 +
1.344 +#define SCTP_PARTIAL_DELIVERY_SHIFT 1
1.345 +
1.346 +/*
1.347 + * default HMAC for cookies, etc... use one of the AUTH HMAC id's
1.348 + * SCTP_HMAC is the HMAC_ID to use
1.349 + * SCTP_SIGNATURE_SIZE is the digest length
1.350 + */
1.351 +#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1
1.352 +#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1
1.353 +#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE
1.354 +
1.355 +/*
1.356 + * the SCTP protocol signature this includes the version number encoded in
1.357 + * the last 4 bits of the signature.
1.358 + */
1.359 +#define PROTO_SIGNATURE_A 0x30000000
1.360 +#define SCTP_VERSION_NUMBER 0x3
1.361 +
1.362 +#define MAX_TSN 0xffffffff
1.363 +
1.364 +/* how many executions every N tick's */
1.365 +#define SCTP_ITERATOR_MAX_AT_ONCE 20
1.366 +
1.367 +/* number of clock ticks between iterator executions */
1.368 +#define SCTP_ITERATOR_TICKS 1
1.369 +
1.370 +/*
1.371 + * option: If you comment out the following you will receive the old behavior
1.372 + * of obeying cwnd for the fast retransmit algorithm. With this defined a FR
1.373 + * happens right away with-out waiting for the flightsize to drop below the
1.374 + * cwnd value (which is reduced by the FR to 1/2 the inflight packets).
1.375 + */
1.376 +#define SCTP_IGNORE_CWND_ON_FR 1
1.377 +
1.378 +/*
1.379 + * Adds implementors guide behavior to only use newest highest update in SACK
1.380 + * gap ack's to figure out if you need to stroke a chunk for FR.
1.381 + */
1.382 +#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
1.383 +
1.384 +/* default max I can burst out after a fast retransmit, 0 disables it */
1.385 +#define SCTP_DEF_MAX_BURST 4
1.386 +#define SCTP_DEF_HBMAX_BURST 4
1.387 +#define SCTP_DEF_FRMAX_BURST 4
1.388 +
1.389 +/* RTO calculation flag to say if it
1.390 + * is safe to determine local lan or not.
1.391 + */
1.392 +#define SCTP_RTT_FROM_NON_DATA 0
1.393 +#define SCTP_RTT_FROM_DATA 1
1.394 +
1.395 +
1.396 +/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */
1.397 +#define SCTP_FIRST_MBUF_RESV 68
1.398 +/* Packet transmit states in the sent field */
1.399 +#define SCTP_DATAGRAM_UNSENT 0
1.400 +#define SCTP_DATAGRAM_SENT 1
1.401 +#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may
1.402 + * hit this value) */
1.403 +#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
1.404 + * hit this value) */
1.405 +#define SCTP_DATAGRAM_RESEND 4
1.406 +#define SCTP_DATAGRAM_ACKED 10010
1.407 +#define SCTP_DATAGRAM_MARKED 20010
1.408 +#define SCTP_FORWARD_TSN_SKIP 30010
1.409 +#define SCTP_DATAGRAM_NR_ACKED 40010
1.410 +
1.411 +/* chunk output send from locations */
1.412 +#define SCTP_OUTPUT_FROM_USR_SEND 0
1.413 +#define SCTP_OUTPUT_FROM_T3 1
1.414 +#define SCTP_OUTPUT_FROM_INPUT_ERROR 2
1.415 +#define SCTP_OUTPUT_FROM_CONTROL_PROC 3
1.416 +#define SCTP_OUTPUT_FROM_SACK_TMR 4
1.417 +#define SCTP_OUTPUT_FROM_SHUT_TMR 5
1.418 +#define SCTP_OUTPUT_FROM_HB_TMR 6
1.419 +#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7
1.420 +#define SCTP_OUTPUT_FROM_ASCONF_TMR 8
1.421 +#define SCTP_OUTPUT_FROM_STRRST_TMR 9
1.422 +#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10
1.423 +#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11
1.424 +#define SCTP_OUTPUT_FROM_STRRST_REQ 12
1.425 +#define SCTP_OUTPUT_FROM_USR_RCVD 13
1.426 +#define SCTP_OUTPUT_FROM_COOKIE_ACK 14
1.427 +#define SCTP_OUTPUT_FROM_DRAIN 15
1.428 +#define SCTP_OUTPUT_FROM_CLOSING 16
1.429 +#define SCTP_OUTPUT_FROM_SOCKOPT 17
1.430 +
1.431 +/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */
1.432 +
1.433 +/* align to 32-bit sizes */
1.434 +#define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2)
1.435 +
1.436 +#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
1.437 +#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
1.438 +
1.439 +
1.440 +/* SCTP parameter types */
1.441 +/*************0x0000 series*************/
1.442 +#define SCTP_HEARTBEAT_INFO 0x0001
1.443 +#if defined(__Userspace__)
1.444 +#define SCTP_CONN_ADDRESS 0x0004
1.445 +#endif
1.446 +#define SCTP_IPV4_ADDRESS 0x0005
1.447 +#define SCTP_IPV6_ADDRESS 0x0006
1.448 +#define SCTP_STATE_COOKIE 0x0007
1.449 +#define SCTP_UNRECOG_PARAM 0x0008
1.450 +#define SCTP_COOKIE_PRESERVE 0x0009
1.451 +#define SCTP_HOSTNAME_ADDRESS 0x000b
1.452 +#define SCTP_SUPPORTED_ADDRTYPE 0x000c
1.453 +
1.454 +/* draft-ietf-stewart-tsvwg-strreset-xxx */
1.455 +#define SCTP_STR_RESET_OUT_REQUEST 0x000d
1.456 +#define SCTP_STR_RESET_IN_REQUEST 0x000e
1.457 +#define SCTP_STR_RESET_TSN_REQUEST 0x000f
1.458 +#define SCTP_STR_RESET_RESPONSE 0x0010
1.459 +#define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011
1.460 +#define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012
1.461 +
1.462 +#define SCTP_MAX_RESET_PARAMS 2
1.463 +#define SCTP_STREAM_RESET_TSN_DELTA 0x1000
1.464 +
1.465 +/*************0x4000 series*************/
1.466 +
1.467 +/*************0x8000 series*************/
1.468 +#define SCTP_ECN_CAPABLE 0x8000
1.469 +
1.470 +/* draft-ietf-tsvwg-auth-xxx */
1.471 +#define SCTP_RANDOM 0x8002
1.472 +#define SCTP_CHUNK_LIST 0x8003
1.473 +#define SCTP_HMAC_LIST 0x8004
1.474 +/*
1.475 + * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte
1.476 + * | Byte Byte | Byte ...
1.477 + *
1.478 + * Where each byte is a chunk type extension supported. For example, to support
1.479 + * all chunks one would have (in hex):
1.480 + *
1.481 + * 80 01 00 09 C0 C1 80 81 82 00 00 00
1.482 + *
1.483 + * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81
1.484 + * = Packet Drop 82 = Stream Reset 83 = Authentication
1.485 + */
1.486 +#define SCTP_SUPPORTED_CHUNK_EXT 0x8008
1.487 +
1.488 +/*************0xC000 series*************/
1.489 +#define SCTP_PRSCTP_SUPPORTED 0xc000
1.490 +/* draft-ietf-tsvwg-addip-sctp */
1.491 +#define SCTP_ADD_IP_ADDRESS 0xc001
1.492 +#define SCTP_DEL_IP_ADDRESS 0xc002
1.493 +#define SCTP_ERROR_CAUSE_IND 0xc003
1.494 +#define SCTP_SET_PRIM_ADDR 0xc004
1.495 +#define SCTP_SUCCESS_REPORT 0xc005
1.496 +#define SCTP_ULP_ADAPTATION 0xc006
1.497 +/* behave-nat-draft */
1.498 +#define SCTP_HAS_NAT_SUPPORT 0xc007
1.499 +#define SCTP_NAT_VTAGS 0xc008
1.500 +
1.501 +/* bits for TOS field */
1.502 +#define SCTP_ECT0_BIT 0x02
1.503 +#define SCTP_ECT1_BIT 0x01
1.504 +#define SCTP_CE_BITS 0x03
1.505 +
1.506 +/* below turns off above */
1.507 +#define SCTP_FLEXIBLE_ADDRESS 0x20
1.508 +#define SCTP_NO_HEARTBEAT 0x40
1.509 +
1.510 +/* mask to get sticky */
1.511 +#define SCTP_STICKY_OPTIONS_MASK 0x0c
1.512 +
1.513 +
1.514 +/*
1.515 + * SCTP states for internal state machine XXX (should match "user" values)
1.516 + */
1.517 +#define SCTP_STATE_EMPTY 0x0000
1.518 +#define SCTP_STATE_INUSE 0x0001
1.519 +#define SCTP_STATE_COOKIE_WAIT 0x0002
1.520 +#define SCTP_STATE_COOKIE_ECHOED 0x0004
1.521 +#define SCTP_STATE_OPEN 0x0008
1.522 +#define SCTP_STATE_SHUTDOWN_SENT 0x0010
1.523 +#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
1.524 +#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
1.525 +#define SCTP_STATE_SHUTDOWN_PENDING 0x0080
1.526 +#define SCTP_STATE_CLOSED_SOCKET 0x0100
1.527 +#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200
1.528 +#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400
1.529 +#define SCTP_STATE_WAS_ABORTED 0x0800
1.530 +#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000
1.531 +#define SCTP_STATE_MASK 0x007f
1.532 +
1.533 +#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK)
1.534 +#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate)
1.535 +#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate)
1.536 +#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate)
1.537 +
1.538 +/* SCTP reachability state for each address */
1.539 +#define SCTP_ADDR_REACHABLE 0x001
1.540 +#define SCTP_ADDR_NO_PMTUD 0x002
1.541 +#define SCTP_ADDR_NOHB 0x004
1.542 +#define SCTP_ADDR_BEING_DELETED 0x008
1.543 +#define SCTP_ADDR_NOT_IN_ASSOC 0x010
1.544 +#define SCTP_ADDR_OUT_OF_SCOPE 0x080
1.545 +#define SCTP_ADDR_UNCONFIRMED 0x200
1.546 +#define SCTP_ADDR_REQ_PRIMARY 0x400
1.547 +/* JRS 5/13/07 - Added potentially failed state for CMT PF */
1.548 +#define SCTP_ADDR_PF 0x800
1.549 +
1.550 +/* bound address types (e.g. valid address types to allow) */
1.551 +#define SCTP_BOUND_V6 0x01
1.552 +#define SCTP_BOUND_V4 0x02
1.553 +
1.554 +/*
1.555 + * what is the default number of mbufs in a chain I allow before switching to
1.556 + * a cluster
1.557 + */
1.558 +#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
1.559 +
1.560 +/* How long a cookie lives in milli-seconds */
1.561 +#define SCTP_DEFAULT_COOKIE_LIFE 60000
1.562 +
1.563 +/* Maximum the mapping array will grow to (TSN mapping array) */
1.564 +#define SCTP_MAPPING_ARRAY 512
1.565 +
1.566 +/* size of the inital malloc on the mapping array */
1.567 +#define SCTP_INITIAL_MAPPING_ARRAY 16
1.568 +/* how much we grow the mapping array each call */
1.569 +#define SCTP_MAPPING_ARRAY_INCR 32
1.570 +
1.571 +/*
1.572 + * Here we define the timer types used by the implementation as arguments in
1.573 + * the set/get timer type calls.
1.574 + */
1.575 +#define SCTP_TIMER_INIT 0
1.576 +#define SCTP_TIMER_RECV 1
1.577 +#define SCTP_TIMER_SEND 2
1.578 +#define SCTP_TIMER_HEARTBEAT 3
1.579 +#define SCTP_TIMER_PMTU 4
1.580 +#define SCTP_TIMER_MAXSHUTDOWN 5
1.581 +#define SCTP_TIMER_SIGNATURE 6
1.582 +/*
1.583 + * number of timer types in the base SCTP structure used in the set/get and
1.584 + * has the base default.
1.585 + */
1.586 +#define SCTP_NUM_TMRS 7
1.587 +
1.588 +/* timer types */
1.589 +#define SCTP_TIMER_TYPE_NONE 0
1.590 +#define SCTP_TIMER_TYPE_SEND 1
1.591 +#define SCTP_TIMER_TYPE_INIT 2
1.592 +#define SCTP_TIMER_TYPE_RECV 3
1.593 +#define SCTP_TIMER_TYPE_SHUTDOWN 4
1.594 +#define SCTP_TIMER_TYPE_HEARTBEAT 5
1.595 +#define SCTP_TIMER_TYPE_COOKIE 6
1.596 +#define SCTP_TIMER_TYPE_NEWCOOKIE 7
1.597 +#define SCTP_TIMER_TYPE_PATHMTURAISE 8
1.598 +#define SCTP_TIMER_TYPE_SHUTDOWNACK 9
1.599 +#define SCTP_TIMER_TYPE_ASCONF 10
1.600 +#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
1.601 +#define SCTP_TIMER_TYPE_AUTOCLOSE 12
1.602 +#define SCTP_TIMER_TYPE_EVENTWAKE 13
1.603 +#define SCTP_TIMER_TYPE_STRRESET 14
1.604 +#define SCTP_TIMER_TYPE_INPKILL 15
1.605 +#define SCTP_TIMER_TYPE_ASOCKILL 16
1.606 +#define SCTP_TIMER_TYPE_ADDR_WQ 17
1.607 +#define SCTP_TIMER_TYPE_ZERO_COPY 18
1.608 +#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 19
1.609 +#define SCTP_TIMER_TYPE_PRIM_DELETED 20
1.610 +/* add new timers here - and increment LAST */
1.611 +#define SCTP_TIMER_TYPE_LAST 21
1.612 +
1.613 +#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
1.614 + ((t) < SCTP_TIMER_TYPE_LAST))
1.615 +
1.616 +
1.617 +#if defined(__APPLE__)
1.618 +/* Number of ticks to run the main timer at in msec */
1.619 +#define SCTP_MAIN_TIMER_DEFAULT 10
1.620 +#endif
1.621 +
1.622 +/* max number of TSN's dup'd that I will hold */
1.623 +#define SCTP_MAX_DUP_TSNS 20
1.624 +
1.625 +/*
1.626 + * Here we define the types used when setting the retry amounts.
1.627 + */
1.628 +/* How many drop re-attempts we make on INIT/COOKIE-ECHO */
1.629 +#define SCTP_RETRY_DROPPED_THRESH 4
1.630 +
1.631 +/*
1.632 + * Maxmium number of chunks a single association can have on it. Note that
1.633 + * this is a squishy number since the count can run over this if the user
1.634 + * sends a large message down .. the fragmented chunks don't count until
1.635 + * AFTER the message is on queue.. it would be the next send that blocks
1.636 + * things. This number will get tuned up at boot in the sctp_init and use the
1.637 + * number of clusters as a base. This way high bandwidth environments will
1.638 + * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks
1.639 + */
1.640 +#ifdef __Panda__
1.641 +#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 10240
1.642 +#else
1.643 +#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
1.644 +#endif
1.645 +
1.646 +
1.647 +/* The conversion from time to ticks and vice versa is done by rounding
1.648 + * upwards. This way we can test in the code the time to be positive and
1.649 + * know that this corresponds to a positive number of ticks.
1.650 + */
1.651 +#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000))
1.652 +#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz))
1.653 +
1.654 +#define SEC_TO_TICKS(x) ((x) * hz)
1.655 +#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz)
1.656 +
1.657 +/*
1.658 + * Basically the minimum amount of time before I do a early FR. Making this
1.659 + * value to low will cause duplicate retransmissions.
1.660 + */
1.661 +#define SCTP_MINFR_MSEC_TIMER 250
1.662 +/* The floor this value is allowed to fall to when starting a timer. */
1.663 +#define SCTP_MINFR_MSEC_FLOOR 20
1.664 +
1.665 +/* init timer def = 1 sec */
1.666 +#define SCTP_INIT_SEC 1
1.667 +
1.668 +/* send timer def = 1 seconds */
1.669 +#define SCTP_SEND_SEC 1
1.670 +
1.671 +/* recv timer def = 200ms */
1.672 +#define SCTP_RECV_MSEC 200
1.673 +
1.674 +/* 30 seconds + RTO (in ms) */
1.675 +#define SCTP_HB_DEFAULT_MSEC 30000
1.676 +
1.677 +/* Max time I will wait for Shutdown to complete */
1.678 +#define SCTP_DEF_MAX_SHUTDOWN_SEC 180
1.679 +
1.680 +
1.681 +/*
1.682 + * This is how long a secret lives, NOT how long a cookie lives how many
1.683 + * ticks the current secret will live.
1.684 + */
1.685 +#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
1.686 +
1.687 +#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
1.688 +#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */
1.689 +#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
1.690 +
1.691 +
1.692 +#define SCTP_INP_KILL_TIMEOUT 20 /* number of ms to retry kill of inpcb */
1.693 +#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */
1.694 +
1.695 +#define SCTP_DEF_MAX_INIT 8
1.696 +#define SCTP_DEF_MAX_SEND 10
1.697 +#define SCTP_DEF_MAX_PATH_RTX 5
1.698 +#define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX
1.699 +
1.700 +#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
1.701 +
1.702 +
1.703 +/* How many streams I request initally by default */
1.704 +#define SCTP_OSTREAM_INITIAL 10
1.705 +#define SCTP_ISTREAM_INITIAL 2048
1.706 +
1.707 +/*
1.708 + * How many smallest_mtu's need to increase before a window update sack is
1.709 + * sent (should be a power of 2).
1.710 + */
1.711 +/* Send window update (incr * this > hiwat). Should be a power of 2 */
1.712 +#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
1.713 +
1.714 +#define SCTP_ADDRMAX 16
1.715 +
1.716 +/* SCTP DEBUG Switch parameters */
1.717 +#define SCTP_DEBUG_TIMER1 0x00000001
1.718 +#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */
1.719 +#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */
1.720 +#define SCTP_DEBUG_TIMER4 0x00000008
1.721 +#define SCTP_DEBUG_OUTPUT1 0x00000010
1.722 +#define SCTP_DEBUG_OUTPUT2 0x00000020
1.723 +#define SCTP_DEBUG_OUTPUT3 0x00000040
1.724 +#define SCTP_DEBUG_OUTPUT4 0x00000080
1.725 +#define SCTP_DEBUG_UTIL1 0x00000100
1.726 +#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */
1.727 +#define SCTP_DEBUG_AUTH1 0x00000400
1.728 +#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */
1.729 +#define SCTP_DEBUG_INPUT1 0x00001000
1.730 +#define SCTP_DEBUG_INPUT2 0x00002000
1.731 +#define SCTP_DEBUG_INPUT3 0x00004000
1.732 +#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */
1.733 +#define SCTP_DEBUG_ASCONF1 0x00010000
1.734 +#define SCTP_DEBUG_ASCONF2 0x00020000
1.735 +#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */
1.736 +#define SCTP_DEBUG_XXX 0x00080000 /* unused */
1.737 +#define SCTP_DEBUG_PCB1 0x00100000
1.738 +#define SCTP_DEBUG_PCB2 0x00200000 /* unused */
1.739 +#define SCTP_DEBUG_PCB3 0x00400000
1.740 +#define SCTP_DEBUG_PCB4 0x00800000
1.741 +#define SCTP_DEBUG_INDATA1 0x01000000
1.742 +#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */
1.743 +#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */
1.744 +#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */
1.745 +#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */
1.746 +#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */
1.747 +#define SCTP_DEBUG_PEEL1 0x40000000
1.748 +#if defined(__Userspace__)
1.749 +#define SCTP_DEBUG_USR 0x80000000
1.750 +#else
1.751 +#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */
1.752 +#endif
1.753 +#define SCTP_DEBUG_ALL 0x7ff3ffff
1.754 +#define SCTP_DEBUG_NOISY 0x00040000
1.755 +
1.756 +/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
1.757 +#define SCTP_SWS_SENDER_DEF 1420
1.758 +
1.759 +/*
1.760 + * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1
1.761 + * would be hiwat/2 etc.
1.762 + */
1.763 +/* What receiver needs to see in sockbuf or we tell peer its 1 */
1.764 +#define SCTP_SWS_RECEIVER_DEF 3000
1.765 +
1.766 +#define SCTP_INITIAL_CWND 4380
1.767 +
1.768 +#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */
1.769 +/* amount peer is obligated to have in rwnd or I will abort */
1.770 +#define SCTP_MIN_RWND 1500
1.771 +
1.772 +#define SCTP_DEFAULT_MAXSEGMENT 65535
1.773 +
1.774 +#define SCTP_CHUNK_BUFFER_SIZE 512
1.775 +#define SCTP_PARAM_BUFFER_SIZE 512
1.776 +
1.777 +/* small chunk store for looking at chunk_list in auth */
1.778 +#define SCTP_SMALL_CHUNK_STORE 260
1.779 +
1.780 +#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
1.781 +
1.782 +#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
1.783 +#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
1.784 +
1.785 +
1.786 +/*
1.787 + * SCTP upper layer notifications
1.788 + */
1.789 +#define SCTP_NOTIFY_ASSOC_UP 1
1.790 +#define SCTP_NOTIFY_ASSOC_DOWN 2
1.791 +#define SCTP_NOTIFY_INTERFACE_DOWN 3
1.792 +#define SCTP_NOTIFY_INTERFACE_UP 4
1.793 +#define SCTP_NOTIFY_SENT_DG_FAIL 5
1.794 +#define SCTP_NOTIFY_UNSENT_DG_FAIL 6
1.795 +#define SCTP_NOTIFY_SPECIAL_SP_FAIL 7
1.796 +#define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8
1.797 +#define SCTP_NOTIFY_ASSOC_REM_ABORTED 9
1.798 +#define SCTP_NOTIFY_ASSOC_RESTART 10
1.799 +#define SCTP_NOTIFY_PEER_SHUTDOWN 11
1.800 +#define SCTP_NOTIFY_ASCONF_ADD_IP 12
1.801 +#define SCTP_NOTIFY_ASCONF_DELETE_IP 13
1.802 +#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14
1.803 +#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15
1.804 +#define SCTP_NOTIFY_INTERFACE_CONFIRMED 16
1.805 +#define SCTP_NOTIFY_STR_RESET_RECV 17
1.806 +#define SCTP_NOTIFY_STR_RESET_SEND 18
1.807 +#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19
1.808 +#define SCTP_NOTIFY_STR_RESET_FAILED_IN 20
1.809 +#define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21
1.810 +#define SCTP_NOTIFY_STR_RESET_DENIED_IN 22
1.811 +#define SCTP_NOTIFY_AUTH_NEW_KEY 23
1.812 +#define SCTP_NOTIFY_AUTH_FREE_KEY 24
1.813 +#define SCTP_NOTIFY_NO_PEER_AUTH 25
1.814 +#define SCTP_NOTIFY_SENDER_DRY 26
1.815 +#define SCTP_NOTIFY_REMOTE_ERROR 27
1.816 +
1.817 +/* This is the value for messages that are NOT completely
1.818 + * copied down where we will start to split the message.
1.819 + * So, with our default, we split only if the piece we
1.820 + * want to take will fill up a full MTU (assuming
1.821 + * a 1500 byte MTU).
1.822 + */
1.823 +#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
1.824 +
1.825 +/* ABORT CODES and other tell-tale location
1.826 + * codes are generated by adding the below
1.827 + * to the instance id.
1.828 + */
1.829 +
1.830 +/* File defines */
1.831 +#define SCTP_FROM_SCTP_INPUT 0x10000000
1.832 +#define SCTP_FROM_SCTP_PCB 0x20000000
1.833 +#define SCTP_FROM_SCTP_INDATA 0x30000000
1.834 +#define SCTP_FROM_SCTP_TIMER 0x40000000
1.835 +#define SCTP_FROM_SCTP_USRREQ 0x50000000
1.836 +#define SCTP_FROM_SCTPUTIL 0x60000000
1.837 +#define SCTP_FROM_SCTP6_USRREQ 0x70000000
1.838 +#define SCTP_FROM_SCTP_ASCONF 0x80000000
1.839 +#define SCTP_FROM_SCTP_OUTPUT 0x90000000
1.840 +#define SCTP_FROM_SCTP_PEELOFF 0xa0000000
1.841 +#define SCTP_FROM_SCTP_PANDA 0xb0000000
1.842 +#define SCTP_FROM_SCTP_SYSCTL 0xc0000000
1.843 +
1.844 +/* Location ID's */
1.845 +#define SCTP_LOC_1 0x00000001
1.846 +#define SCTP_LOC_2 0x00000002
1.847 +#define SCTP_LOC_3 0x00000003
1.848 +#define SCTP_LOC_4 0x00000004
1.849 +#define SCTP_LOC_5 0x00000005
1.850 +#define SCTP_LOC_6 0x00000006
1.851 +#define SCTP_LOC_7 0x00000007
1.852 +#define SCTP_LOC_8 0x00000008
1.853 +#define SCTP_LOC_9 0x00000009
1.854 +#define SCTP_LOC_10 0x0000000a
1.855 +#define SCTP_LOC_11 0x0000000b
1.856 +#define SCTP_LOC_12 0x0000000c
1.857 +#define SCTP_LOC_13 0x0000000d
1.858 +#define SCTP_LOC_14 0x0000000e
1.859 +#define SCTP_LOC_15 0x0000000f
1.860 +#define SCTP_LOC_16 0x00000010
1.861 +#define SCTP_LOC_17 0x00000011
1.862 +#define SCTP_LOC_18 0x00000012
1.863 +#define SCTP_LOC_19 0x00000013
1.864 +#define SCTP_LOC_20 0x00000014
1.865 +#define SCTP_LOC_21 0x00000015
1.866 +#define SCTP_LOC_22 0x00000016
1.867 +#define SCTP_LOC_23 0x00000017
1.868 +#define SCTP_LOC_24 0x00000018
1.869 +#define SCTP_LOC_25 0x00000019
1.870 +#define SCTP_LOC_26 0x0000001a
1.871 +#define SCTP_LOC_27 0x0000001b
1.872 +#define SCTP_LOC_28 0x0000001c
1.873 +#define SCTP_LOC_29 0x0000001d
1.874 +#define SCTP_LOC_30 0x0000001e
1.875 +#define SCTP_LOC_31 0x0000001f
1.876 +#define SCTP_LOC_32 0x00000020
1.877 +#define SCTP_LOC_33 0x00000021
1.878 +
1.879 +
1.880 +/* Free assoc codes */
1.881 +#define SCTP_NORMAL_PROC 0
1.882 +#define SCTP_PCBFREE_NOFORCE 1
1.883 +#define SCTP_PCBFREE_FORCE 2
1.884 +
1.885 +/* From codes for adding addresses */
1.886 +#define SCTP_ADDR_IS_CONFIRMED 8
1.887 +#define SCTP_ADDR_DYNAMIC_ADDED 6
1.888 +#define SCTP_IN_COOKIE_PROC 100
1.889 +#define SCTP_ALLOC_ASOC 1
1.890 +#define SCTP_LOAD_ADDR_2 2
1.891 +#define SCTP_LOAD_ADDR_3 3
1.892 +#define SCTP_LOAD_ADDR_4 4
1.893 +#define SCTP_LOAD_ADDR_5 5
1.894 +
1.895 +#define SCTP_DONOT_SETSCOPE 0
1.896 +#define SCTP_DO_SETSCOPE 1
1.897 +
1.898 +
1.899 +/* This value determines the default for when
1.900 + * we try to add more on the send queue., if
1.901 + * there is room. This prevents us from cycling
1.902 + * into the copy_resume routine to often if
1.903 + * we have not got enough space to add a decent
1.904 + * enough size message. Note that if we have enough
1.905 + * space to complete the message copy we will always
1.906 + * add to the message, no matter what the size. Its
1.907 + * only when we reach the point that we have some left
1.908 + * to add, there is only room for part of it that we
1.909 + * will use this threshold. Its also a sysctl.
1.910 + */
1.911 +#define SCTP_DEFAULT_ADD_MORE 1452
1.912 +
1.913 +#ifndef SCTP_PCBHASHSIZE
1.914 +/* default number of association hash buckets in each endpoint */
1.915 +#define SCTP_PCBHASHSIZE 256
1.916 +#endif
1.917 +#ifndef SCTP_TCBHASHSIZE
1.918 +#define SCTP_TCBHASHSIZE 1024
1.919 +#endif
1.920 +
1.921 +#ifndef SCTP_CHUNKQUEUE_SCALE
1.922 +#define SCTP_CHUNKQUEUE_SCALE 10
1.923 +#endif
1.924 +
1.925 +#ifdef __FreeBSD__
1.926 +/* clock variance is 1 ms */
1.927 +#define SCTP_CLOCK_GRANULARITY 1
1.928 +#else
1.929 +/* clock variance is 10 ms */
1.930 +#define SCTP_CLOCK_GRANULARITY 10
1.931 +#endif
1.932 +#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this
1.933 + * detracts a small amount for ipv4 but it
1.934 + * simplifies the ipv6 addition */
1.935 +
1.936 +/* Argument magic number for sctp_inpcb_free() */
1.937 +
1.938 +/* third argument */
1.939 +#define SCTP_CALLED_DIRECTLY_NOCMPSET 0
1.940 +#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
1.941 +#define SCTP_CALLED_FROM_INPKILL_TIMER 2
1.942 +/* second argument */
1.943 +#define SCTP_FREE_SHOULD_USE_ABORT 1
1.944 +#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
1.945 +
1.946 +#ifndef IPPROTO_SCTP
1.947 +#define IPPROTO_SCTP 132 /* the Official IANA number :-) */
1.948 +#endif /* !IPPROTO_SCTP */
1.949 +
1.950 +#define SCTP_MAX_DATA_BUNDLING 256
1.951 +
1.952 +/* modular comparison */
1.953 +/* See RFC 1982 for details. */
1.954 +#define SCTP_SSN_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \
1.955 + ((a > b) && ((uint16_t)(a - b) < (1U<<15))))
1.956 +#define SCTP_SSN_GE(a, b) (SCTP_SSN_GT(a, b) || (a == b))
1.957 +#define SCTP_TSN_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \
1.958 + ((a > b) && ((uint32_t)(a - b) < (1U<<31))))
1.959 +#define SCTP_TSN_GE(a, b) (SCTP_TSN_GT(a, b) || (a == b))
1.960 +
1.961 +/* Mapping array manipulation routines */
1.962 +#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
1.963 +#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
1.964 +#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
1.965 +#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \
1.966 + if (tsn >= mapping_tsn) { \
1.967 + gap = tsn - mapping_tsn; \
1.968 + } else { \
1.969 + gap = (MAX_TSN - mapping_tsn) + tsn + 1; \
1.970 + } \
1.971 + } while (0)
1.972 +
1.973 +
1.974 +#define SCTP_RETRAN_DONE -1
1.975 +#define SCTP_RETRAN_EXIT -2
1.976 +
1.977 +/*
1.978 + * This value defines the number of vtag block time wait entry's per list
1.979 + * element. Each entry will take 2 4 byte ints (and of course the overhead
1.980 + * of the next pointer as well). Using 15 as an example will yield * ((8 *
1.981 + * 15) + 8) or 128 bytes of overhead for each timewait block that gets
1.982 + * initialized. Increasing it to 31 would yeild 256 bytes per block.
1.983 + */
1.984 +#define SCTP_NUMBER_IN_VTAG_BLOCK 15
1.985 +/*
1.986 + * If we use the STACK option, we have an array of this size head pointers.
1.987 + * This array is mod'd the with the size to find which bucket and then all
1.988 + * entries must be searched to see if the tag is in timed wait. If so we
1.989 + * reject it.
1.990 + */
1.991 +#define SCTP_STACK_VTAG_HASH_SIZE 32
1.992 +
1.993 +/*
1.994 + * Number of seconds of time wait for a vtag.
1.995 + */
1.996 +#define SCTP_TIME_WAIT 60
1.997 +
1.998 +/* How many micro seconds is the cutoff from
1.999 + * local lan type rtt's
1.1000 + */
1.1001 + /*
1.1002 + * We allow 900us for the rtt.
1.1003 + */
1.1004 +#define SCTP_LOCAL_LAN_RTT 900
1.1005 +#define SCTP_LAN_UNKNOWN 0
1.1006 +#define SCTP_LAN_LOCAL 1
1.1007 +#define SCTP_LAN_INTERNET 2
1.1008 +
1.1009 +#define SCTP_SEND_BUFFER_SPLITTING 0x00000001
1.1010 +#define SCTP_RECV_BUFFER_SPLITTING 0x00000002
1.1011 +
1.1012 +/* The system retains a cache of free chunks such to
1.1013 + * cut down on calls the memory allocation system. There
1.1014 + * is a per association limit of free items and a overall
1.1015 + * system limit. If either one gets hit then the resource
1.1016 + * stops being cached.
1.1017 + */
1.1018 +
1.1019 +#define SCTP_DEF_ASOC_RESC_LIMIT 10
1.1020 +#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
1.1021 +
1.1022 +/*-
1.1023 + * defines for socket lock states.
1.1024 + * Used by __APPLE__ and SCTP_SO_LOCK_TESTING
1.1025 + */
1.1026 +#define SCTP_SO_LOCKED 1
1.1027 +#define SCTP_SO_NOT_LOCKED 0
1.1028 +
1.1029 +
1.1030 +#define SCTP_HOLDS_LOCK 1
1.1031 +#define SCTP_NOT_LOCKED 0
1.1032 +
1.1033 +/*-
1.1034 + * For address locks, do we hold the lock?
1.1035 + */
1.1036 +#define SCTP_ADDR_LOCKED 1
1.1037 +#define SCTP_ADDR_NOT_LOCKED 0
1.1038 +
1.1039 +#define IN4_ISPRIVATE_ADDRESS(a) \
1.1040 + ((((uint8_t *)&(a)->s_addr)[0] == 10) || \
1.1041 + ((((uint8_t *)&(a)->s_addr)[0] == 172) && \
1.1042 + (((uint8_t *)&(a)->s_addr)[1] >= 16) && \
1.1043 + (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
1.1044 + ((((uint8_t *)&(a)->s_addr)[0] == 192) && \
1.1045 + (((uint8_t *)&(a)->s_addr)[1] == 168)))
1.1046 +
1.1047 +#define IN4_ISLOOPBACK_ADDRESS(a) \
1.1048 + ((((uint8_t *)&(a)->s_addr)[0] == 127) && \
1.1049 + (((uint8_t *)&(a)->s_addr)[1] == 0) && \
1.1050 + (((uint8_t *)&(a)->s_addr)[2] == 0) && \
1.1051 + (((uint8_t *)&(a)->s_addr)[3] == 1))
1.1052 +
1.1053 +#define IN4_ISLINKLOCAL_ADDRESS(a) \
1.1054 + ((((uint8_t *)&(a)->s_addr)[0] == 169) && \
1.1055 + (((uint8_t *)&(a)->s_addr)[1] == 254))
1.1056 +
1.1057 +#if defined(__Userspace__)
1.1058 +#if defined(__Userspace_os_Windows)
1.1059 +#define SCTP_GETTIME_TIMEVAL(x) getwintimeofday(x)
1.1060 +#define SCTP_GETPTIME_TIMEVAL(x) getwintimeofday(x) /* this doesn't seem to ever be used.. */
1.1061 +#else
1.1062 +#define SCTP_GETTIME_TIMEVAL(x) gettimeofday(x, NULL)
1.1063 +#define SCTP_GETPTIME_TIMEVAL(x) gettimeofday(x, NULL)
1.1064 +#endif
1.1065 +#endif
1.1066 +
1.1067 +#if defined(_KERNEL)
1.1068 +#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
1.1069 +#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
1.1070 +#endif
1.1071 +
1.1072 +#if defined(_KERNEL) || defined(__Userspace__)
1.1073 +#define sctp_sowwakeup(inp, so) \
1.1074 +do { \
1.1075 + if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1.1076 + inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1.1077 + } else { \
1.1078 + sowwakeup(so); \
1.1079 + } \
1.1080 +} while (0)
1.1081 +
1.1082 +#if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
1.1083 +#define sctp_sowwakeup_locked(inp, so) \
1.1084 +do { \
1.1085 + if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1.1086 + SOCKBUF_UNLOCK(&((so)->so_snd)); \
1.1087 + inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1.1088 + } else { \
1.1089 + sowwakeup_locked(so); \
1.1090 + } \
1.1091 +} while (0)
1.1092 +#else
1.1093 +#define sctp_sowwakeup_locked(inp, so) \
1.1094 +do { \
1.1095 + if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1.1096 + SOCKBUF_UNLOCK(&((so)->so_snd)); \
1.1097 + inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1.1098 + } else { \
1.1099 + sowwakeup(so); \
1.1100 + } \
1.1101 +} while (0)
1.1102 +#endif
1.1103 +
1.1104 +#define sctp_sorwakeup(inp, so) \
1.1105 +do { \
1.1106 + if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1.1107 + inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1.1108 + } else { \
1.1109 + sorwakeup(so); \
1.1110 + } \
1.1111 +} while (0)
1.1112 +
1.1113 +#if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__)
1.1114 +#define sctp_sorwakeup_locked(inp, so) \
1.1115 +do { \
1.1116 + if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1.1117 + inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1.1118 + SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1.1119 + } else { \
1.1120 + sorwakeup_locked(so); \
1.1121 + } \
1.1122 +} while (0)
1.1123 +#else
1.1124 +
1.1125 +#define sctp_sorwakeup_locked(inp, so) \
1.1126 +do { \
1.1127 + if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1.1128 + inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1.1129 + SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1.1130 + } else { \
1.1131 + sorwakeup(so); \
1.1132 + } \
1.1133 +} while (0)
1.1134 +#endif
1.1135 +
1.1136 +#endif /* _KERNEL || __Userspace__*/
1.1137 +#endif
