sctp_constants.h revision 185694
1163953Srrs/*- 2185694Srrs * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3163953Srrs * 4163953Srrs * Redistribution and use in source and binary forms, with or without 5163953Srrs * modification, are permitted provided that the following conditions are met: 6163953Srrs * 7163953Srrs * a) Redistributions of source code must retain the above copyright notice, 8163953Srrs * this list of conditions and the following disclaimer. 9163953Srrs * 10163953Srrs * b) Redistributions in binary form must reproduce the above copyright 11163953Srrs * notice, this list of conditions and the following disclaimer in 12163953Srrs * the documentation and/or other materials provided with the distribution. 13163953Srrs * 14163953Srrs * c) Neither the name of Cisco Systems, Inc. nor the names of its 15163953Srrs * contributors may be used to endorse or promote products derived 16163953Srrs * from this software without specific prior written permission. 17163953Srrs * 18163953Srrs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19163953Srrs * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20163953Srrs * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21163953Srrs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22163953Srrs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23163953Srrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24163953Srrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25163953Srrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26163953Srrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27163953Srrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28163953Srrs * THE POSSIBILITY OF SUCH DAMAGE. 29163953Srrs */ 30163953Srrs 31163953Srrs/* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */ 32163953Srrs 33163953Srrs#include <sys/cdefs.h> 34163953Srrs__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 185694 2008-12-06 13:19:54Z rrs $"); 35163953Srrs 36163953Srrs#ifndef __sctp_constants_h__ 37163953Srrs#define __sctp_constants_h__ 38163953Srrs 39179157Srrs/* IANA assigned port number for SCTP over UDP encapsulation */ 40179157Srrs#define SCTP_OVER_UDP_TUNNELING_PORT 9899 41179157Srrs 42167598Srrs/* Number of packets to get before sack sent by default */ 43167598Srrs#define SCTP_DEFAULT_SACK_FREQ 2 44163953Srrs 45167598Srrs/* Address limit - This variable is calculated 46168299Srrs * based on an 65535 byte max ip packet. We take out 100 bytes 47167598Srrs * for the cookie, 40 bytes for a v6 header and 32 48167598Srrs * bytes for the init structure. A second init structure 49167598Srrs * for the init-ack and then finally a third one for the 50167598Srrs * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 51168299Srrs * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 52168299Srrs * Now whatever we send in the INIT() we need to allow to get back in the 53167598Srrs * INIT-ACK plus all the values from INIT and INIT-ACK 54167598Srrs * listed in the cookie. Plus we need some overhead for 55167598Srrs * maybe copied parameters in the COOKIE. If we 56168299Srrs * allow 1080 addresses, and each side has 1080 V6 addresses 57168299Srrs * that will be 21600 bytes. In the INIT-ACK we will 58168299Srrs * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 59168299Srrs * about 500 bytes slack for misc things in the cookie. 60167598Srrs */ 61168299Srrs#define SCTP_ADDRESS_LIMIT 1080 62167598Srrs 63171990Srrs/* We need at least 2k of space for us, inits 64171990Srrs * larger than that lets abort. 65171990Srrs */ 66171990Srrs#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 67171990Srrs 68167598Srrs/* Number of addresses where we just skip the counting */ 69167598Srrs#define SCTP_COUNT_LIMIT 40 70167598Srrs 71170056Srrs#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 72170181Srrs#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 73170056Srrs 74167598Srrs/* Number of ticks to delay before running 75167598Srrs * iterator on an address change. 76167598Srrs */ 77167598Srrs#define SCTP_ADDRESS_TICK_DELAY 2 78167598Srrs 79163953Srrs#define SCTP_VERSION_STRING "KAME-BSD 1.1" 80163953Srrs/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 81163953Srrs#define SCTP_AUDIT_SIZE 256 82163953Srrs 83167598Srrs#define SCTP_USE_THREAD_BASED_ITERATOR 1 84167598Srrs 85167598Srrs#define SCTP_KTRHEAD_NAME "sctp_iterator" 86167598Srrs#define SCTP_KTHREAD_PAGES 2 87167598Srrs 88167598Srrs 89167598Srrs/* If you support Multi-VRF how big to 90167598Srrs * make the initial array of VRF's to. 91167598Srrs */ 92167598Srrs#define SCTP_DEFAULT_VRF_SIZE 4 93167598Srrs 94171477Srrs/* constants for rto calc */ 95171477Srrs#define sctp_align_safe_nocopy 0 96171477Srrs#define sctp_align_unsafe_makecopy 1 97171477Srrs 98171440Srrs/* JRS - Values defined for the HTCP algorithm */ 99171440Srrs#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 100171440Srrs#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 101171440Srrs#define BETA_MAX 102 /* 0.8 with shift << 7 */ 102171440Srrs 103163953Srrs/* Places that CWND log can happen from */ 104163953Srrs#define SCTP_CWND_LOG_FROM_FR 1 105163953Srrs#define SCTP_CWND_LOG_FROM_RTX 2 106163953Srrs#define SCTP_CWND_LOG_FROM_BRST 3 107163953Srrs#define SCTP_CWND_LOG_FROM_SS 4 108163953Srrs#define SCTP_CWND_LOG_FROM_CA 5 109163953Srrs#define SCTP_CWND_LOG_FROM_SAT 6 110163953Srrs#define SCTP_BLOCK_LOG_INTO_BLK 7 111163953Srrs#define SCTP_BLOCK_LOG_OUTOF_BLK 8 112163953Srrs#define SCTP_BLOCK_LOG_CHECK 9 113163953Srrs#define SCTP_STR_LOG_FROM_INTO_STRD 10 114163953Srrs#define SCTP_STR_LOG_FROM_IMMED_DEL 11 115163953Srrs#define SCTP_STR_LOG_FROM_INSERT_HD 12 116163953Srrs#define SCTP_STR_LOG_FROM_INSERT_MD 13 117163953Srrs#define SCTP_STR_LOG_FROM_INSERT_TL 14 118163953Srrs#define SCTP_STR_LOG_FROM_MARK_TSN 15 119163953Srrs#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 120163953Srrs#define SCTP_FR_LOG_BIGGEST_TSNS 17 121163953Srrs#define SCTP_FR_LOG_STRIKE_TEST 18 122163953Srrs#define SCTP_FR_LOG_STRIKE_CHUNK 19 123163953Srrs#define SCTP_FR_T3_TIMEOUT 20 124163953Srrs#define SCTP_MAP_PREPARE_SLIDE 21 125163953Srrs#define SCTP_MAP_SLIDE_FROM 22 126163953Srrs#define SCTP_MAP_SLIDE_RESULT 23 127163953Srrs#define SCTP_MAP_SLIDE_CLEARED 24 128163953Srrs#define SCTP_MAP_SLIDE_NONE 25 129163953Srrs#define SCTP_FR_T3_MARK_TIME 26 130163953Srrs#define SCTP_FR_T3_MARKED 27 131163953Srrs#define SCTP_FR_T3_STOPPED 28 132163953Srrs#define SCTP_FR_MARKED 30 133163953Srrs#define SCTP_CWND_LOG_NOADV_SS 31 134163953Srrs#define SCTP_CWND_LOG_NOADV_CA 32 135163953Srrs#define SCTP_MAX_BURST_APPLIED 33 136163953Srrs#define SCTP_MAX_IFP_APPLIED 34 137163953Srrs#define SCTP_MAX_BURST_ERROR_STOP 35 138163953Srrs#define SCTP_INCREASE_PEER_RWND 36 139163953Srrs#define SCTP_DECREASE_PEER_RWND 37 140163953Srrs#define SCTP_SET_PEER_RWND_VIA_SACK 38 141163953Srrs#define SCTP_LOG_MBCNT_INCREASE 39 142163953Srrs#define SCTP_LOG_MBCNT_DECREASE 40 143163953Srrs#define SCTP_LOG_MBCNT_CHKSET 41 144163953Srrs#define SCTP_LOG_NEW_SACK 42 145163953Srrs#define SCTP_LOG_TSN_ACKED 43 146163953Srrs#define SCTP_LOG_TSN_REVOKED 44 147163953Srrs#define SCTP_LOG_LOCK_TCB 45 148163953Srrs#define SCTP_LOG_LOCK_INP 46 149163953Srrs#define SCTP_LOG_LOCK_SOCK 47 150163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_R 48 151163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_S 49 152163953Srrs#define SCTP_LOG_LOCK_CREATE 50 153163953Srrs#define SCTP_LOG_INITIAL_RTT 51 154163953Srrs#define SCTP_LOG_RTTVAR 52 155163953Srrs#define SCTP_LOG_SBALLOC 53 156163953Srrs#define SCTP_LOG_SBFREE 54 157163953Srrs#define SCTP_LOG_SBRESULT 55 158163953Srrs#define SCTP_FR_DUPED 56 159163953Srrs#define SCTP_FR_MARKED_EARLY 57 160163953Srrs#define SCTP_FR_CWND_REPORT 58 161163953Srrs#define SCTP_FR_CWND_REPORT_START 59 162163953Srrs#define SCTP_FR_CWND_REPORT_STOP 60 163163953Srrs#define SCTP_CWND_LOG_FROM_SEND 61 164163953Srrs#define SCTP_CWND_INITIALIZATION 62 165163953Srrs#define SCTP_CWND_LOG_FROM_T3 63 166163953Srrs#define SCTP_CWND_LOG_FROM_SACK 64 167163953Srrs#define SCTP_CWND_LOG_NO_CUMACK 65 168163953Srrs#define SCTP_CWND_LOG_FROM_RESEND 66 169163953Srrs#define SCTP_FR_LOG_CHECK_STRIKE 67 170163953Srrs#define SCTP_SEND_NOW_COMPLETES 68 171163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 172163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 173163953Srrs#define SCTP_LOG_FREE_SENT 71 174163953Srrs#define SCTP_NAGLE_APPLIED 72 175163953Srrs#define SCTP_NAGLE_SKIPPED 73 176163953Srrs#define SCTP_WAKESND_FROM_SACK 74 177163953Srrs#define SCTP_WAKESND_FROM_FWDTSN 75 178163953Srrs#define SCTP_NOWAKE_FROM_SACK 76 179163953Srrs#define SCTP_CWNDLOG_PRESEND 77 180163953Srrs#define SCTP_CWNDLOG_ENDSEND 78 181163953Srrs#define SCTP_AT_END_OF_SACK 79 182163953Srrs#define SCTP_REASON_FOR_SC 80 183163953Srrs#define SCTP_BLOCK_LOG_INTO_BLKA 81 184163953Srrs#define SCTP_ENTER_USER_RECV 82 185163953Srrs#define SCTP_USER_RECV_SACKS 83 186163953Srrs#define SCTP_SORECV_BLOCKSA 84 187163953Srrs#define SCTP_SORECV_BLOCKSB 85 188163953Srrs#define SCTP_SORECV_DONE 86 189163953Srrs#define SCTP_SACK_RWND_UPDATE 87 190163953Srrs#define SCTP_SORECV_ENTER 88 191163953Srrs#define SCTP_SORECV_ENTERPL 89 192163953Srrs#define SCTP_MBUF_INPUT 90 193163953Srrs#define SCTP_MBUF_IALLOC 91 194163953Srrs#define SCTP_MBUF_IFREE 92 195163953Srrs#define SCTP_MBUF_ICOPY 93 196178197Srrs#define SCTP_MBUF_SPLIT 94 197178197Srrs#define SCTP_SORCV_FREECTL 95 198178197Srrs#define SCTP_SORCV_DOESCPY 96 199178197Srrs#define SCTP_SORCV_DOESLCK 97 200178197Srrs#define SCTP_SORCV_DOESADJ 98 201178197Srrs#define SCTP_SORCV_BOTWHILE 99 202178197Srrs#define SCTP_SORCV_PASSBF 100 203178197Srrs#define SCTP_SORCV_ADJD 101 204178197Srrs#define SCTP_UNKNOWN_MAX 102 205178197Srrs#define SCTP_RANDY_STUFF 103 206178197Srrs#define SCTP_RANDY_STUFF1 104 207178197Srrs#define SCTP_STRMOUT_LOG_ASSIGN 105 208178197Srrs#define SCTP_STRMOUT_LOG_SEND 106 209178197Srrs#define SCTP_FLIGHT_LOG_DOWN_CA 107 210178197Srrs#define SCTP_FLIGHT_LOG_UP 108 211178197Srrs#define SCTP_FLIGHT_LOG_DOWN_GAP 109 212178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND 110 213178197Srrs#define SCTP_FLIGHT_LOG_UP_RSND 111 214178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 215178197Srrs#define SCTP_FLIGHT_LOG_DOWN_WP 113 216178197Srrs#define SCTP_FLIGHT_LOG_UP_REVOKE 114 217178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 218178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 219178197Srrs#define SCTP_SACK_LOG_NORMAL 117 220178197Srrs#define SCTP_SACK_LOG_EXPRESS 118 221178197Srrs#define SCTP_MAP_TSN_ENTERS 119 222178197Srrs#define SCTP_THRESHOLD_CLEAR 120 223178197Srrs#define SCTP_THRESHOLD_INCR 121 224169208Srrs 225178197Srrs#define SCTP_LOG_MAX_TYPES 122 226163953Srrs/* 227170744Srrs * To turn on various logging, you must first enable 'options KTR' and 228170744Srrs * you might want to bump the entires 'options KTR_ENTRIES=80000'. 229170744Srrs * To get something to log you define one of the logging defines. 230170744Srrs * (see LINT). 231163953Srrs * 232170744Srrs * This gets the compile in place, but you still need to turn the 233170744Srrs * logging flag on too in the sysctl (see in sctp.h). 234163953Srrs */ 235171943Srrs 236163953Srrs#define SCTP_LOG_EVENT_UNKNOWN 0 237163953Srrs#define SCTP_LOG_EVENT_CWND 1 238163953Srrs#define SCTP_LOG_EVENT_BLOCK 2 239163953Srrs#define SCTP_LOG_EVENT_STRM 3 240163953Srrs#define SCTP_LOG_EVENT_FR 4 241163953Srrs#define SCTP_LOG_EVENT_MAP 5 242163953Srrs#define SCTP_LOG_EVENT_MAXBURST 6 243163953Srrs#define SCTP_LOG_EVENT_RWND 7 244163953Srrs#define SCTP_LOG_EVENT_MBCNT 8 245163953Srrs#define SCTP_LOG_EVENT_SACK 9 246163953Srrs#define SCTP_LOG_LOCK_EVENT 10 247163953Srrs#define SCTP_LOG_EVENT_RTT 11 248163953Srrs#define SCTP_LOG_EVENT_SB 12 249163953Srrs#define SCTP_LOG_EVENT_NAGLE 13 250163953Srrs#define SCTP_LOG_EVENT_WAKE 14 251163953Srrs#define SCTP_LOG_MISC_EVENT 15 252163953Srrs#define SCTP_LOG_EVENT_CLOSE 16 253163953Srrs#define SCTP_LOG_EVENT_MBUF 17 254170744Srrs#define SCTP_LOG_CHUNK_PROC 18 255170744Srrs#define SCTP_LOG_ERROR_RET 19 256163953Srrs 257170744Srrs#define SCTP_LOG_MAX_EVENT 20 258163953Srrs 259163953Srrs#define SCTP_LOCK_UNKNOWN 2 260163953Srrs 261163953Srrs 262163953Srrs/* number of associations by default for zone allocation */ 263163953Srrs#define SCTP_MAX_NUM_OF_ASOC 40000 264163953Srrs/* how many addresses per assoc remote and local */ 265163953Srrs#define SCTP_SCALE_FOR_ADDR 2 266163953Srrs 267163953Srrs/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 268167598Srrs#if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF) 269167598Srrs#define SCTP_DEFAULT_AUTO_ASCONF 0 270167598Srrs#else 271167598Srrs#define SCTP_DEFAULT_AUTO_ASCONF 1 272167598Srrs#endif 273163953Srrs 274179157Srrs/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 275179157Srrs#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 276179157Srrs 277171990Srrs/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */ 278171990Srrs#if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_BASE) 279171990Srrs#define SCTP_DEFAULT_MOBILITY_BASE 0 280171990Srrs#else 281171990Srrs#define SCTP_DEFAULT_MOBILITY_BASE 0 282171990Srrs#endif 283171990Srrs 284171990Srrs/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */ 285171990Srrs#if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 286171990Srrs#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0 287171990Srrs#else 288171990Srrs#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0 289171990Srrs#endif 290171990Srrs 291163953Srrs/* 292163953Srrs * Theshold for rwnd updates, we have to read (sb_hiwat >> 293163953Srrs * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 294163953Srrs * window update sack. When we look, we compare the last rwnd we sent vs the 295163953Srrs * current rwnd. It too must be greater than this value. Using 3 divdes the 296163953Srrs * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 297163953Srrs * to read 8k. This seems about right.. I hope :-D.. we do set a 298163953Srrs * min of a MTU on it so if the rwnd is real small we will insist 299163953Srrs * on a full MTU of 1500 bytes. 300163953Srrs */ 301163953Srrs#define SCTP_RWND_HIWAT_SHIFT 3 302163953Srrs 303163953Srrs/* How much of the rwnd must the 304163953Srrs * message be taking up to start partial delivery. 305163953Srrs * We calculate this by shifing the hi_water (recv_win) 306163953Srrs * left the following .. set to 1, when a message holds 307163953Srrs * 1/2 the rwnd. If we set it to 2 when a message holds 308163953Srrs * 1/4 the rwnd...etc.. 309163953Srrs */ 310163953Srrs 311163953Srrs#define SCTP_PARTIAL_DELIVERY_SHIFT 1 312163953Srrs 313163953Srrs/* Minimum number of bytes read by user before we 314163953Srrs * condsider doing a rwnd update 315163953Srrs */ 316163953Srrs 317163953Srrs/* 318163953Srrs * default HMAC for cookies, etc... use one of the AUTH HMAC id's 319163953Srrs * SCTP_HMAC is the HMAC_ID to use 320163953Srrs * SCTP_SIGNATURE_SIZE is the digest length 321163953Srrs */ 322163953Srrs#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 323163953Srrs#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 324163953Srrs#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 325163953Srrs 326163953Srrs/* DEFINE HERE WHAT CRC YOU WANT TO USE */ 327163953Srrs#define SCTP_USECRC_RFC2960 1 328163953Srrs/* #define SCTP_USECRC_FLETCHER 1 */ 329163953Srrs/* #define SCTP_USECRC_SSHCRC32 1 */ 330163953Srrs/* #define SCTP_USECRC_FASTCRC32 1 */ 331163953Srrs/* #define SCTP_USECRC_CRC32 1 */ 332163953Srrs/* #define SCTP_USECRC_TCP32 1 */ 333163953Srrs/* #define SCTP_USECRC_CRC16SMAL 1 */ 334163953Srrs/* #define SCTP_USECRC_CRC16 1 */ 335163953Srrs/* #define SCTP_USECRC_MODADLER 1 */ 336163953Srrs 337163953Srrs#ifndef SCTP_ADLER32_BASE 338163953Srrs#define SCTP_ADLER32_BASE 65521 339163953Srrs#endif 340163953Srrs 341163953Srrs/* 342163953Srrs * the SCTP protocol signature this includes the version number encoded in 343163953Srrs * the last 4 bits of the signature. 344163953Srrs */ 345163953Srrs#define PROTO_SIGNATURE_A 0x30000000 346163953Srrs#define SCTP_VERSION_NUMBER 0x3 347163953Srrs 348163953Srrs#define MAX_TSN 0xffffffff 349163953Srrs#define MAX_SEQ 0xffff 350163953Srrs 351163953Srrs/* how many executions every N tick's */ 352163953Srrs#define SCTP_ITERATOR_MAX_AT_ONCE 20 353163953Srrs 354163953Srrs/* number of clock ticks between iterator executions */ 355163953Srrs#define SCTP_ITERATOR_TICKS 1 356163953Srrs 357163953Srrs/* 358163953Srrs * option: If you comment out the following you will receive the old behavior 359163953Srrs * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 360163953Srrs * happens right away with-out waiting for the flightsize to drop below the 361163953Srrs * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 362163953Srrs */ 363163953Srrs#define SCTP_IGNORE_CWND_ON_FR 1 364163953Srrs 365163953Srrs/* 366163953Srrs * Adds implementors guide behavior to only use newest highest update in SACK 367163953Srrs * gap ack's to figure out if you need to stroke a chunk for FR. 368163953Srrs */ 369163953Srrs#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 370163953Srrs 371163953Srrs/* default max I can burst out after a fast retransmit */ 372163953Srrs#define SCTP_DEF_MAX_BURST 4 373163953Srrs/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 374163953Srrs#define SCTP_FIRST_MBUF_RESV 68 375163953Srrs/* Packet transmit states in the sent field */ 376163953Srrs#define SCTP_DATAGRAM_UNSENT 0 377163953Srrs#define SCTP_DATAGRAM_SENT 1 378163953Srrs#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 379163953Srrs * hit this value) */ 380163953Srrs#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 381163953Srrs * hit this value) */ 382163953Srrs#define SCTP_DATAGRAM_RESEND 4 383163953Srrs#define SCTP_DATAGRAM_ACKED 10010 384185694Srrs/* EY 385185694Srrs * If a tsn is nr-gapped, its first tagged as NR_MARKED and then NR_ACKED 386185694Srrs * When yet another nr-sack is received, if a particular TSN's sent tag 387185694Srrs * is observed to be NR_ACKED after gap-ack info is processed, this implies 388185694Srrs * that particular TSN is reneged 389185694Srrs*/ 390185694Srrs#define SCTP_DATAGRAM_NR_ACKED 10020 391185694Srrs#define SCTP_DATAGRAM_NR_MARKED 20005 392163953Srrs#define SCTP_DATAGRAM_MARKED 20010 393163953Srrs#define SCTP_FORWARD_TSN_SKIP 30010 394163953Srrs 395163953Srrs/* chunk output send from locations */ 396163953Srrs#define SCTP_OUTPUT_FROM_USR_SEND 0 397163953Srrs#define SCTP_OUTPUT_FROM_T3 1 398163953Srrs#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 399163953Srrs#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 400163953Srrs#define SCTP_OUTPUT_FROM_SACK_TMR 4 401163953Srrs#define SCTP_OUTPUT_FROM_SHUT_TMR 5 402163953Srrs#define SCTP_OUTPUT_FROM_HB_TMR 6 403163953Srrs#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 404163953Srrs#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 405163953Srrs#define SCTP_OUTPUT_FROM_STRRST_TMR 9 406163953Srrs#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 407163953Srrs#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 408163953Srrs#define SCTP_OUTPUT_FROM_STRRST_REQ 12 409163953Srrs#define SCTP_OUTPUT_FROM_USR_RCVD 13 410164205Srrs#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 411167598Srrs#define SCTP_OUTPUT_FROM_DRAIN 15 412171990Srrs#define SCTP_OUTPUT_FROM_CLOSING 16 413163953Srrs/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 414163953Srrs 415163953Srrs/* align to 32-bit sizes */ 416163953Srrs#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 417163953Srrs 418163953Srrs#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 419163953Srrs#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 420163953Srrs 421163953Srrs 422163953Srrs/* SCTP parameter types */ 423163953Srrs/*************0x0000 series*************/ 424163953Srrs#define SCTP_HEARTBEAT_INFO 0x0001 425163953Srrs#define SCTP_IPV4_ADDRESS 0x0005 426163953Srrs#define SCTP_IPV6_ADDRESS 0x0006 427163953Srrs#define SCTP_STATE_COOKIE 0x0007 428163953Srrs#define SCTP_UNRECOG_PARAM 0x0008 429163953Srrs#define SCTP_COOKIE_PRESERVE 0x0009 430163953Srrs#define SCTP_HOSTNAME_ADDRESS 0x000b 431163953Srrs#define SCTP_SUPPORTED_ADDRTYPE 0x000c 432163953Srrs 433163953Srrs/* draft-ietf-stewart-strreset-xxx */ 434163953Srrs#define SCTP_STR_RESET_OUT_REQUEST 0x000d 435163953Srrs#define SCTP_STR_RESET_IN_REQUEST 0x000e 436163953Srrs#define SCTP_STR_RESET_TSN_REQUEST 0x000f 437163953Srrs#define SCTP_STR_RESET_RESPONSE 0x0010 438163953Srrs 439163953Srrs#define SCTP_MAX_RESET_PARAMS 2 440163953Srrs#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 441163953Srrs 442163953Srrs/*************0x4000 series*************/ 443163953Srrs 444163953Srrs/*************0x8000 series*************/ 445163953Srrs#define SCTP_ECN_CAPABLE 0x8000 446163953Srrs/* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 447163953Srrs#define SCTP_ECN_NONCE_SUPPORTED 0x8001 448163953Srrs/* draft-ietf-tsvwg-auth-xxx */ 449163953Srrs#define SCTP_RANDOM 0x8002 450163953Srrs#define SCTP_CHUNK_LIST 0x8003 451163953Srrs#define SCTP_HMAC_LIST 0x8004 452163953Srrs/* 453163953Srrs * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 454163953Srrs * | Byte Byte | Byte ... 455163953Srrs * 456163953Srrs * Where each byte is a chunk type extension supported. For example, to support 457163953Srrs * all chunks one would have (in hex): 458163953Srrs * 459163953Srrs * 80 01 00 09 C0 C1 80 81 82 00 00 00 460163953Srrs * 461163953Srrs * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 462163953Srrs * = Packet Drop 82 = Stream Reset 83 = Authentication 463163953Srrs */ 464163953Srrs#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 465163953Srrs 466163953Srrs/*************0xC000 series*************/ 467163953Srrs#define SCTP_PRSCTP_SUPPORTED 0xc000 468163953Srrs/* draft-ietf-tsvwg-addip-sctp */ 469163953Srrs#define SCTP_ADD_IP_ADDRESS 0xc001 470163953Srrs#define SCTP_DEL_IP_ADDRESS 0xc002 471163953Srrs#define SCTP_ERROR_CAUSE_IND 0xc003 472163953Srrs#define SCTP_SET_PRIM_ADDR 0xc004 473163953Srrs#define SCTP_SUCCESS_REPORT 0xc005 474163953Srrs#define SCTP_ULP_ADAPTATION 0xc006 475185694Srrs/* behave-nat-draft */ 476185694Srrs#define SCTP_HAS_NAT_SUPPORT 0xc007 477185694Srrs#define SCTP_NAT_VTAGS 0xc008 478163953Srrs 479163953Srrs/* Notification error codes */ 480163953Srrs#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 481163953Srrs#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 482163953Srrs#define SCTP_FAILED_THRESHOLD 0x0004 483163953Srrs#define SCTP_HEARTBEAT_SUCCESS 0x0008 484172091Srrs#define SCTP_RESPONSE_TO_USER_REQ 0x0010 485172091Srrs#define SCTP_INTERNAL_ERROR 0x0020 486172091Srrs#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040 487172091Srrs#define SCTP_RECEIVED_SACK 0x0080 488172091Srrs#define SCTP_PEER_FAULTY 0x0100 489172091Srrs#define SCTP_ICMP_REFUSED 0x0200 490163953Srrs 491163953Srrs/* bits for TOS field */ 492163953Srrs#define SCTP_ECT0_BIT 0x02 493163953Srrs#define SCTP_ECT1_BIT 0x01 494163953Srrs#define SCTP_CE_BITS 0x03 495163953Srrs 496163953Srrs/* below turns off above */ 497163953Srrs#define SCTP_FLEXIBLE_ADDRESS 0x20 498163953Srrs#define SCTP_NO_HEARTBEAT 0x40 499163953Srrs 500163953Srrs/* mask to get sticky */ 501163953Srrs#define SCTP_STICKY_OPTIONS_MASK 0x0c 502163953Srrs 503163953Srrs 504163953Srrs/* 505163953Srrs * SCTP states for internal state machine XXX (should match "user" values) 506163953Srrs */ 507163953Srrs#define SCTP_STATE_EMPTY 0x0000 508163953Srrs#define SCTP_STATE_INUSE 0x0001 509163953Srrs#define SCTP_STATE_COOKIE_WAIT 0x0002 510163953Srrs#define SCTP_STATE_COOKIE_ECHOED 0x0004 511163953Srrs#define SCTP_STATE_OPEN 0x0008 512163953Srrs#define SCTP_STATE_SHUTDOWN_SENT 0x0010 513163953Srrs#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 514163953Srrs#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 515163953Srrs#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 516163953Srrs#define SCTP_STATE_CLOSED_SOCKET 0x0100 517163953Srrs#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 518163953Srrs#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 519171745Srrs#define SCTP_STATE_WAS_ABORTED 0x0800 520163953Srrs#define SCTP_STATE_MASK 0x007f 521163953Srrs 522163953Srrs#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 523171943Srrs#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate) 524172703Srrs#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate) 525172703Srrs#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate) 526163953Srrs 527163953Srrs/* SCTP reachability state for each address */ 528163953Srrs#define SCTP_ADDR_REACHABLE 0x001 529163953Srrs#define SCTP_ADDR_NOT_REACHABLE 0x002 530163953Srrs#define SCTP_ADDR_NOHB 0x004 531163953Srrs#define SCTP_ADDR_BEING_DELETED 0x008 532163953Srrs#define SCTP_ADDR_NOT_IN_ASSOC 0x010 533163953Srrs#define SCTP_ADDR_WAS_PRIMARY 0x020 534163953Srrs#define SCTP_ADDR_SWITCH_PRIMARY 0x040 535163953Srrs#define SCTP_ADDR_OUT_OF_SCOPE 0x080 536163953Srrs#define SCTP_ADDR_DOUBLE_SWITCH 0x100 537163953Srrs#define SCTP_ADDR_UNCONFIRMED 0x200 538167598Srrs#define SCTP_ADDR_REQ_PRIMARY 0x400 539171440Srrs/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 540171440Srrs#define SCTP_ADDR_PF 0x800 541163953Srrs#define SCTP_REACHABLE_MASK 0x203 542163953Srrs 543163953Srrs/* bound address types (e.g. valid address types to allow) */ 544163953Srrs#define SCTP_BOUND_V6 0x01 545163953Srrs#define SCTP_BOUND_V4 0x02 546163953Srrs 547163953Srrs/* 548163953Srrs * what is the default number of mbufs in a chain I allow before switching to 549163953Srrs * a cluster 550163953Srrs */ 551163953Srrs#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 552163953Srrs 553169655Srrs/* How long a cookie lives in milli-seconds */ 554169655Srrs#define SCTP_DEFAULT_COOKIE_LIFE 60000 555163953Srrs 556163953Srrs/* resource limit of streams */ 557163953Srrs#define MAX_SCTP_STREAMS 2048 558163953Srrs 559163953Srrs/* Maximum the mapping array will grow to (TSN mapping array) */ 560163953Srrs#define SCTP_MAPPING_ARRAY 512 561163953Srrs 562163953Srrs/* size of the inital malloc on the mapping array */ 563163953Srrs#define SCTP_INITIAL_MAPPING_ARRAY 16 564163953Srrs/* how much we grow the mapping array each call */ 565163953Srrs#define SCTP_MAPPING_ARRAY_INCR 32 566185694Srrs/* EY 05/13/08 - nr_sack version of the previous 3 constants */ 567185694Srrs/* Maximum the nr mapping array will grow to (TSN mapping array) */ 568185694Srrs#define SCTP_NR_MAPPING_ARRAY 512 569185694Srrs/* size of the inital malloc on the nr mapping array */ 570185694Srrs#define SCTP_INITIAL_NR_MAPPING_ARRAY 16 571185694Srrs/* how much we grow the nr mapping array each call */ 572185694Srrs#define SCTP_NR_MAPPING_ARRAY_INCR 32 573163953Srrs/* 574163953Srrs * Here we define the timer types used by the implementation as arguments in 575163953Srrs * the set/get timer type calls. 576163953Srrs */ 577163953Srrs#define SCTP_TIMER_INIT 0 578163953Srrs#define SCTP_TIMER_RECV 1 579163953Srrs#define SCTP_TIMER_SEND 2 580163953Srrs#define SCTP_TIMER_HEARTBEAT 3 581163953Srrs#define SCTP_TIMER_PMTU 4 582163953Srrs#define SCTP_TIMER_MAXSHUTDOWN 5 583163953Srrs#define SCTP_TIMER_SIGNATURE 6 584163953Srrs/* 585163953Srrs * number of timer types in the base SCTP structure used in the set/get and 586163953Srrs * has the base default. 587163953Srrs */ 588163953Srrs#define SCTP_NUM_TMRS 7 589163953Srrs 590163953Srrs/* timer types */ 591163953Srrs#define SCTP_TIMER_TYPE_NONE 0 592163953Srrs#define SCTP_TIMER_TYPE_SEND 1 593163953Srrs#define SCTP_TIMER_TYPE_INIT 2 594163953Srrs#define SCTP_TIMER_TYPE_RECV 3 595163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWN 4 596163953Srrs#define SCTP_TIMER_TYPE_HEARTBEAT 5 597163953Srrs#define SCTP_TIMER_TYPE_COOKIE 6 598163953Srrs#define SCTP_TIMER_TYPE_NEWCOOKIE 7 599163953Srrs#define SCTP_TIMER_TYPE_PATHMTURAISE 8 600163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 601163953Srrs#define SCTP_TIMER_TYPE_ASCONF 10 602163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 603163953Srrs#define SCTP_TIMER_TYPE_AUTOCLOSE 12 604163953Srrs#define SCTP_TIMER_TYPE_EVENTWAKE 13 605163953Srrs#define SCTP_TIMER_TYPE_STRRESET 14 606163953Srrs#define SCTP_TIMER_TYPE_INPKILL 15 607163953Srrs#define SCTP_TIMER_TYPE_ITERATOR 16 608163953Srrs#define SCTP_TIMER_TYPE_EARLYFR 17 609163953Srrs#define SCTP_TIMER_TYPE_ASOCKILL 18 610163953Srrs#define SCTP_TIMER_TYPE_ADDR_WQ 19 611170056Srrs#define SCTP_TIMER_TYPE_ZERO_COPY 20 612170181Srrs#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21 613172091Srrs#define SCTP_TIMER_TYPE_PRIM_DELETED 22 614163953Srrs/* add new timers here - and increment LAST */ 615172091Srrs#define SCTP_TIMER_TYPE_LAST 23 616163953Srrs 617163953Srrs#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 618163953Srrs ((t) < SCTP_TIMER_TYPE_LAST)) 619163953Srrs 620163953Srrs 621163953Srrs 622163953Srrs/* 623163953Srrs * Number of ticks before the soxwakeup() event that is delayed is sent AFTER 624163953Srrs * the accept() call 625163953Srrs */ 626163953Srrs 627163953Srrs/* 628163953Srrs * Of course we really don't collect stale cookies, being folks of decerning 629163953Srrs * taste. However we do count them, if we get too many before the association 630163953Srrs * comes up.. we give up. Below is the constant that dictates when we give it 631163953Srrs * up...this is a implemenation dependent treatment. In ours we do not ask 632163953Srrs * for a extension of time, but just retry this many times... 633163953Srrs */ 634163953Srrs 635163953Srrs/* max number of TSN's dup'd that I will hold */ 636163953Srrs#define SCTP_MAX_DUP_TSNS 20 637163953Srrs 638163953Srrs/* 639163953Srrs * Here we define the types used when setting the retry amounts. 640163953Srrs */ 641163953Srrs/* constants for type of set */ 642163953Srrs 643163953Srrs/* Maximum TSN's we will summarize in a drop report */ 644163953Srrs 645163953Srrs/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 646163953Srrs#define SCTP_RETRY_DROPPED_THRESH 4 647163953Srrs 648163953Srrs/* 649163953Srrs * And the max we will keep a history of in the tcb which MUST be lower than 650163953Srrs * 256. 651163953Srrs */ 652163953Srrs 653163953Srrs/* 654163953Srrs * Here we define the default timers and the default number of attemts we 655163953Srrs * make for each respective side (send/init). 656163953Srrs */ 657163953Srrs 658163953Srrs/* 659163953Srrs * Maxmium number of chunks a single association can have on it. Note that 660163953Srrs * this is a squishy number since the count can run over this if the user 661163953Srrs * sends a large message down .. the fragmented chunks don't count until 662163953Srrs * AFTER the message is on queue.. it would be the next send that blocks 663163953Srrs * things. This number will get tuned up at boot in the sctp_init and use the 664163953Srrs * number of clusters as a base. This way high bandwidth environments will 665163953Srrs * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 666163953Srrs */ 667163953Srrs#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 668163953Srrs 669172091Srrs 670167598Srrs/* The conversion from time to ticks and vice versa is done by rounding 671167598Srrs * upwards. This way we can test in the code the time to be positive and 672167598Srrs * know that this corresponds to a positive number of ticks. 673167598Srrs */ 674167598Srrs#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 675167598Srrs#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 676163953Srrs 677163953Srrs#define SEC_TO_TICKS(x) ((x) * hz) 678167598Srrs#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 679163953Srrs 680163953Srrs/* 681163953Srrs * Basically the minimum amount of time before I do a early FR. Making this 682163953Srrs * value to low will cause duplicate retransmissions. 683163953Srrs */ 684163953Srrs#define SCTP_MINFR_MSEC_TIMER 250 685163953Srrs/* The floor this value is allowed to fall to when starting a timer. */ 686163953Srrs#define SCTP_MINFR_MSEC_FLOOR 20 687163953Srrs 688163953Srrs/* init timer def = 1 sec */ 689163953Srrs#define SCTP_INIT_SEC 1 690163953Srrs 691163953Srrs/* send timer def = 1 seconds */ 692163953Srrs#define SCTP_SEND_SEC 1 693163953Srrs 694163953Srrs/* recv timer def = 200ms */ 695163953Srrs#define SCTP_RECV_MSEC 200 696163953Srrs 697163953Srrs/* 30 seconds + RTO (in ms) */ 698163953Srrs#define SCTP_HB_DEFAULT_MSEC 30000 699163953Srrs 700163953Srrs/* Max time I will wait for Shutdown to complete */ 701163953Srrs#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 702163953Srrs 703163953Srrs 704163953Srrs/* 705163953Srrs * This is how long a secret lives, NOT how long a cookie lives how many 706163953Srrs * ticks the current secret will live. 707163953Srrs */ 708163953Srrs#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 709163953Srrs 710163953Srrs#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 711163953Srrs#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 712163953Srrs#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 713163953Srrs#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 714163953Srrs 715163953Srrs 716163953Srrs#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 717163953Srrs#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 718163953Srrs 719163953Srrs#define SCTP_DEF_MAX_INIT 8 720163953Srrs#define SCTP_DEF_MAX_SEND 10 721170056Srrs#define SCTP_DEF_MAX_PATH_RTX 5 722163953Srrs 723163953Srrs#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 724163953Srrs 725170056Srrs 726163953Srrs/* How many streams I request initally by default */ 727163953Srrs#define SCTP_OSTREAM_INITIAL 10 728163953Srrs 729163953Srrs/* 730163953Srrs * How many smallest_mtu's need to increase before a window update sack is 731163953Srrs * sent (should be a power of 2). 732163953Srrs */ 733163953Srrs/* Send window update (incr * this > hiwat). Should be a power of 2 */ 734163953Srrs#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 735163953Srrs 736170606Srrs#define SCTP_ADDRMAX 24 737163953Srrs 738163953Srrs/* SCTP DEBUG Switch parameters */ 739163953Srrs#define SCTP_DEBUG_TIMER1 0x00000001 740170181Srrs#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 741170181Srrs#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 742163953Srrs#define SCTP_DEBUG_TIMER4 0x00000008 743163953Srrs#define SCTP_DEBUG_OUTPUT1 0x00000010 744163953Srrs#define SCTP_DEBUG_OUTPUT2 0x00000020 745163953Srrs#define SCTP_DEBUG_OUTPUT3 0x00000040 746163953Srrs#define SCTP_DEBUG_OUTPUT4 0x00000080 747163953Srrs#define SCTP_DEBUG_UTIL1 0x00000100 748170181Srrs#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 749163953Srrs#define SCTP_DEBUG_AUTH1 0x00000400 750170181Srrs#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 751163953Srrs#define SCTP_DEBUG_INPUT1 0x00001000 752163953Srrs#define SCTP_DEBUG_INPUT2 0x00002000 753163953Srrs#define SCTP_DEBUG_INPUT3 0x00004000 754170181Srrs#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 755163953Srrs#define SCTP_DEBUG_ASCONF1 0x00010000 756163953Srrs#define SCTP_DEBUG_ASCONF2 0x00020000 757170181Srrs#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 758170181Srrs#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 759163953Srrs#define SCTP_DEBUG_PCB1 0x00100000 760170181Srrs#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 761163953Srrs#define SCTP_DEBUG_PCB3 0x00400000 762172266Srrs#define SCTP_DEBUG_PCB4 0x00800000 763163953Srrs#define SCTP_DEBUG_INDATA1 0x01000000 764170181Srrs#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 765170181Srrs#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 766170181Srrs#define SCTP_DEBUG_INDATA4 0x08000000 /* unused */ 767170181Srrs#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 768170181Srrs#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 769163953Srrs#define SCTP_DEBUG_PEEL1 0x40000000 770170181Srrs#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 771163953Srrs#define SCTP_DEBUG_ALL 0x7ff3ffff 772163953Srrs#define SCTP_DEBUG_NOISY 0x00040000 773163953Srrs 774163953Srrs/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 775163953Srrs#define SCTP_SWS_SENDER_DEF 1420 776163953Srrs 777163953Srrs/* 778163953Srrs * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 779163953Srrs * would be hiwat/2 etc. 780163953Srrs */ 781163953Srrs/* What receiver needs to see in sockbuf or we tell peer its 1 */ 782163953Srrs#define SCTP_SWS_RECEIVER_DEF 3000 783163953Srrs 784163953Srrs#define SCTP_INITIAL_CWND 4380 785163953Srrs 786169352Srrs#define SCTP_DEFAULT_MTU 1500 /* emegency default MTU */ 787163953Srrs/* amount peer is obligated to have in rwnd or I will abort */ 788163953Srrs#define SCTP_MIN_RWND 1500 789163953Srrs 790163953Srrs#define SCTP_DEFAULT_MAXSEGMENT 65535 791163953Srrs 792170642Srrs#define SCTP_CHUNK_BUFFER_SIZE 512 793166675Srrs#define SCTP_PARAM_BUFFER_SIZE 512 794163953Srrs 795171990Srrs/* small chunk store for looking at chunk_list in auth */ 796171990Srrs#define SCTP_SMALL_CHUNK_STORE 260 797171990Srrs 798163953Srrs#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 799163953Srrs#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 800163953Srrs 801163953Srrs#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 802163953Srrs#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 803163953Srrs 804163953Srrs 805163953Srrs/* 806163953Srrs * SCTP upper layer notifications 807163953Srrs */ 808185694Srrs#define SCTP_NOTIFY_ASSOC_UP 1 809185694Srrs#define SCTP_NOTIFY_ASSOC_DOWN 2 810185694Srrs#define SCTP_NOTIFY_INTERFACE_DOWN 3 811185694Srrs#define SCTP_NOTIFY_INTERFACE_UP 4 812185694Srrs#define SCTP_NOTIFY_DG_FAIL 5 813185694Srrs#define SCTP_NOTIFY_STRDATA_ERR 6 814185694Srrs#define SCTP_NOTIFY_ASSOC_ABORTED 7 815185694Srrs#define SCTP_NOTIFY_PEER_OPENED_STREAM 8 816185694Srrs#define SCTP_NOTIFY_STREAM_OPENED_OK 9 817185694Srrs#define SCTP_NOTIFY_ASSOC_RESTART 10 818185694Srrs#define SCTP_NOTIFY_HB_RESP 11 819185694Srrs#define SCTP_NOTIFY_ASCONF_SUCCESS 12 820185694Srrs#define SCTP_NOTIFY_ASCONF_FAILED 13 821185694Srrs#define SCTP_NOTIFY_PEER_SHUTDOWN 14 822185694Srrs#define SCTP_NOTIFY_ASCONF_ADD_IP 15 823185694Srrs#define SCTP_NOTIFY_ASCONF_DELETE_IP 16 824185694Srrs#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 825163953Srrs#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 826185694Srrs#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 827185694Srrs#define SCTP_NOTIFY_STR_RESET_RECV 21 828185694Srrs#define SCTP_NOTIFY_STR_RESET_SEND 22 829185694Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 830185694Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 831185694Srrs#define SCTP_NOTIFY_AUTH_NEW_KEY 25 832185694Srrs#define SCTP_NOTIFY_AUTH_FREE_KEY 26 833185694Srrs#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 834185694Srrs#define SCTP_NOTIFY_NO_PEER_AUTH 28 835185694Srrs#define SCTP_NOTIFY_SENDER_DRY 29 836185694Srrs#define SCTP_NOTIFY_MAX 29 837163953Srrs 838163953Srrs/* This is the value for messages that are NOT completely 839163953Srrs * copied down where we will start to split the message. 840163953Srrs * So, with our default, we split only if the piece we 841163953Srrs * want to take will fill up a full MTU (assuming 842163953Srrs * a 1500 byte MTU). 843163953Srrs */ 844168124Srrs#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 845163953Srrs 846165220Srrs/* ABORT CODES and other tell-tale location 847165220Srrs * codes are generated by adding the below 848165220Srrs * to the instance id. 849165220Srrs */ 850165220Srrs 851165220Srrs/* File defines */ 852165220Srrs#define SCTP_FROM_SCTP_INPUT 0x10000000 853165220Srrs#define SCTP_FROM_SCTP_PCB 0x20000000 854165220Srrs#define SCTP_FROM_SCTP_INDATA 0x30000000 855165220Srrs#define SCTP_FROM_SCTP_TIMER 0x40000000 856165220Srrs#define SCTP_FROM_SCTP_USRREQ 0x50000000 857165220Srrs#define SCTP_FROM_SCTPUTIL 0x60000000 858165220Srrs#define SCTP_FROM_SCTP6_USRREQ 0x70000000 859165220Srrs#define SCTP_FROM_SCTP_ASCONF 0x80000000 860165220Srrs#define SCTP_FROM_SCTP_OUTPUT 0x90000000 861165220Srrs#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 862170056Srrs#define SCTP_FROM_SCTP_PANDA 0xb0000000 863171943Srrs#define SCTP_FROM_SCTP_SYSCTL 0xc0000000 864165220Srrs 865165220Srrs/* Location ID's */ 866165220Srrs#define SCTP_LOC_1 0x00000001 867165220Srrs#define SCTP_LOC_2 0x00000002 868165220Srrs#define SCTP_LOC_3 0x00000003 869165220Srrs#define SCTP_LOC_4 0x00000004 870165220Srrs#define SCTP_LOC_5 0x00000005 871165220Srrs#define SCTP_LOC_6 0x00000006 872165220Srrs#define SCTP_LOC_7 0x00000007 873165220Srrs#define SCTP_LOC_8 0x00000008 874165220Srrs#define SCTP_LOC_9 0x00000009 875165220Srrs#define SCTP_LOC_10 0x0000000a 876165220Srrs#define SCTP_LOC_11 0x0000000b 877165220Srrs#define SCTP_LOC_12 0x0000000c 878165220Srrs#define SCTP_LOC_13 0x0000000d 879165220Srrs#define SCTP_LOC_14 0x0000000e 880165220Srrs#define SCTP_LOC_15 0x0000000f 881165220Srrs#define SCTP_LOC_16 0x00000010 882165220Srrs#define SCTP_LOC_17 0x00000011 883165220Srrs#define SCTP_LOC_18 0x00000012 884165220Srrs#define SCTP_LOC_19 0x00000013 885165220Srrs#define SCTP_LOC_20 0x00000014 886165220Srrs#define SCTP_LOC_21 0x00000015 887165220Srrs#define SCTP_LOC_22 0x00000016 888165220Srrs#define SCTP_LOC_23 0x00000017 889165220Srrs#define SCTP_LOC_24 0x00000018 890165220Srrs#define SCTP_LOC_25 0x00000019 891165220Srrs#define SCTP_LOC_26 0x0000001a 892165220Srrs#define SCTP_LOC_27 0x0000001b 893165220Srrs#define SCTP_LOC_28 0x0000001c 894165220Srrs#define SCTP_LOC_29 0x0000001d 895165220Srrs#define SCTP_LOC_30 0x0000001e 896165220Srrs#define SCTP_LOC_31 0x0000001f 897165220Srrs#define SCTP_LOC_32 0x00000020 898169352Srrs#define SCTP_LOC_33 0x00000021 899165220Srrs 900165220Srrs 901165220Srrs/* Free assoc codes */ 902165220Srrs#define SCTP_NORMAL_PROC 0 903165220Srrs#define SCTP_PCBFREE_NOFORCE 1 904165220Srrs#define SCTP_PCBFREE_FORCE 2 905165220Srrs 906165220Srrs/* From codes for adding addresses */ 907165220Srrs#define SCTP_ADDR_IS_CONFIRMED 8 908165220Srrs#define SCTP_ADDR_DYNAMIC_ADDED 6 909165220Srrs#define SCTP_IN_COOKIE_PROC 100 910165220Srrs#define SCTP_ALLOC_ASOC 1 911165220Srrs#define SCTP_LOAD_ADDR_2 2 912165220Srrs#define SCTP_LOAD_ADDR_3 3 913165220Srrs#define SCTP_LOAD_ADDR_4 4 914165220Srrs#define SCTP_LOAD_ADDR_5 5 915165220Srrs 916165220Srrs#define SCTP_DONOT_SETSCOPE 0 917165220Srrs#define SCTP_DO_SETSCOPE 1 918165220Srrs 919165220Srrs 920163953Srrs/* This value determines the default for when 921163953Srrs * we try to add more on the send queue., if 922163953Srrs * there is room. This prevents us from cycling 923163953Srrs * into the copy_resume routine to often if 924163953Srrs * we have not got enough space to add a decent 925163953Srrs * enough size message. Note that if we have enough 926163953Srrs * space to complete the message copy we will always 927163953Srrs * add to the message, no matter what the size. Its 928163953Srrs * only when we reach the point that we have some left 929163953Srrs * to add, there is only room for part of it that we 930163953Srrs * will use this threshold. Its also a sysctl. 931163953Srrs */ 932163953Srrs#define SCTP_DEFAULT_ADD_MORE 1452 933163953Srrs 934163953Srrs#ifndef SCTP_PCBHASHSIZE 935163953Srrs/* default number of association hash buckets in each endpoint */ 936163953Srrs#define SCTP_PCBHASHSIZE 256 937163953Srrs#endif 938163953Srrs#ifndef SCTP_TCBHASHSIZE 939163953Srrs#define SCTP_TCBHASHSIZE 1024 940163953Srrs#endif 941163953Srrs 942163953Srrs#ifndef SCTP_CHUNKQUEUE_SCALE 943163953Srrs#define SCTP_CHUNKQUEUE_SCALE 10 944163953Srrs#endif 945163953Srrs 946163953Srrs/* clock variance is 1 ms */ 947163953Srrs#define SCTP_CLOCK_GRANULARITY 1 948163953Srrs#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 949163953Srrs * detracts a small amount for ipv4 but it 950163953Srrs * simplifies the ipv6 addition */ 951163953Srrs 952169380Srrs/* Argument magic number for sctp_inpcb_free() */ 953169380Srrs 954169380Srrs/* third argument */ 955169380Srrs#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 956169380Srrs#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 957169380Srrs 958169380Srrs/* second argument */ 959169380Srrs#define SCTP_FREE_SHOULD_USE_ABORT 1 960169380Srrs#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 961169380Srrs 962163953Srrs#ifndef IPPROTO_SCTP 963163953Srrs#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 964163953Srrs#endif /* !IPPROTO_SCTP */ 965163953Srrs 966163953Srrs#define SCTP_MAX_DATA_BUNDLING 256 967163953Srrs 968163953Srrs/* modular comparison */ 969163953Srrs/* True if a > b (mod = M) */ 970163953Srrs#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 971163953Srrs ((b > a) && ((b - a) > ((M >> 1) + 1)))) 972163953Srrs 973163953Srrs 974163953Srrs/* Mapping array manipulation routines */ 975163953Srrs#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 976163953Srrs#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 977163953Srrs#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 978163953Srrs 979163953Srrs 980168124Srrs#define SCTP_RETRAN_DONE -1 981168124Srrs#define SCTP_RETRAN_EXIT -2 982168124Srrs 983163953Srrs/* 984163953Srrs * This value defines the number of vtag block time wait entry's per list 985163953Srrs * element. Each entry will take 2 4 byte ints (and of course the overhead 986163953Srrs * of the next pointer as well). Using 15 as an example will yield * ((8 * 987163953Srrs * 15) + 8) or 128 bytes of overhead for each timewait block that gets 988163953Srrs * initialized. Increasing it to 31 would yeild 256 bytes per block. 989163953Srrs */ 990163953Srrs#define SCTP_NUMBER_IN_VTAG_BLOCK 15 991163953Srrs/* 992163953Srrs * If we use the STACK option, we have an array of this size head pointers. 993163953Srrs * This array is mod'd the with the size to find which bucket and then all 994163953Srrs * entries must be searched to see if the tag is in timed wait. If so we 995163953Srrs * reject it. 996163953Srrs */ 997184883Srrs#define SCTP_STACK_VTAG_HASH_SIZE 32 998163953Srrs 999170138Srrs 1000163953Srrs/* 1001163953Srrs * If we use the per-endpoint model than we do not have a hash table of 1002163953Srrs * entries but instead have a single head pointer and we must crawl through 1003163953Srrs * the entire list. 1004163953Srrs */ 1005163953Srrs 1006163953Srrs/* 1007173179Srrs * Number of seconds of time wait for a vtag. 1008163953Srrs */ 1009173179Srrs#define SCTP_TIME_WAIT 60 1010163953Srrs 1011163953Srrs/* The system retains a cache of free chunks such to 1012163953Srrs * cut down on calls the memory allocation system. There 1013163953Srrs * is a per association limit of free items and a overall 1014163953Srrs * system limit. If either one gets hit then the resource 1015163953Srrs * stops being cached. 1016163953Srrs */ 1017163953Srrs 1018163953Srrs#define SCTP_DEF_ASOC_RESC_LIMIT 10 1019163953Srrs#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 1020163953Srrs 1021172090Srrs/*- 1022172090Srrs * defines for socket lock states. 1023172090Srrs * Used by __APPLE__ and SCTP_SO_LOCK_TESTING 1024172090Srrs */ 1025172090Srrs#define SCTP_SO_LOCKED 1 1026172090Srrs#define SCTP_SO_NOT_LOCKED 0 1027163953Srrs 1028172090Srrs 1029172396Srrs#define SCTP_HOLDS_LOCK 1 1030172396Srrs#define SCTP_NOT_LOCKED 0 1031172396Srrs 1032172091Srrs/*- 1033172091Srrs * For address locks, do we hold the lock? 1034172091Srrs */ 1035172091Srrs#define SCTP_ADDR_LOCKED 1 1036172091Srrs#define SCTP_ADDR_NOT_LOCKED 0 1037172091Srrs 1038163953Srrs#define IN4_ISPRIVATE_ADDRESS(a) \ 1039166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 1040166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 1041166675Srrs (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 1042166675Srrs (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 1043166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 1044166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 168))) 1045163953Srrs 1046163953Srrs#define IN4_ISLOOPBACK_ADDRESS(a) \ 1047166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 1048166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 1049166675Srrs (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 1050166675Srrs (((uint8_t *)&(a)->s_addr)[3] == 1)) 1051163953Srrs 1052163953Srrs 1053163953Srrs#if defined(_KERNEL) 1054163953Srrs 1055163953Srrs#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 1056163953Srrs#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 1057180387Srrs#endif 1058163953Srrs/*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 1059163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 1060163953Srrs/* (x)->tv_sec = ticks / 1000; \*/ 1061163953Srrs/* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 1062163953Srrs/*}*/ 1063163953Srrs 1064163953Srrs/*#else*/ 1065163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 1066163953Srrs/*#endif __FreeBSD__ */ 1067163953Srrs 1068180387Srrs#if defined(_KERNEL) || defined(__Userspace__) 1069163953Srrs#define sctp_sowwakeup(inp, so) \ 1070163953Srrsdo { \ 1071163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1072163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1073163953Srrs } else { \ 1074163953Srrs sowwakeup(so); \ 1075163953Srrs } \ 1076163953Srrs} while (0) 1077163953Srrs 1078163953Srrs#define sctp_sowwakeup_locked(inp, so) \ 1079163953Srrsdo { \ 1080163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1081163953Srrs SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1082163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1083163953Srrs } else { \ 1084163953Srrs sowwakeup_locked(so); \ 1085163953Srrs } \ 1086163953Srrs} while (0) 1087163953Srrs 1088163953Srrs#define sctp_sorwakeup(inp, so) \ 1089163953Srrsdo { \ 1090163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1091163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1092163953Srrs } else { \ 1093163953Srrs sorwakeup(so); \ 1094163953Srrs } \ 1095163953Srrs} while (0) 1096163953Srrs 1097163953Srrs#define sctp_sorwakeup_locked(inp, so) \ 1098163953Srrsdo { \ 1099163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1100163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1101163953Srrs SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1102163953Srrs } else { \ 1103163953Srrs sorwakeup_locked(so); \ 1104163953Srrs } \ 1105163953Srrs} while (0) 1106163953Srrs 1107180387Srrs#endif /* _KERNEL || __Userspace__ */ 1108163953Srrs#endif 1109