sctp_constants.h revision 167598
1163953Srrs/*- 2166086Srrs * Copyright (c) 2001-2007, 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 167598 2007-03-15 11:27:14Z rrs $"); 35163953Srrs 36163953Srrs#ifndef __sctp_constants_h__ 37163953Srrs#define __sctp_constants_h__ 38163953Srrs 39167598Srrs/* Number of packets to get before sack sent by default */ 40167598Srrs#define SCTP_DEFAULT_SACK_FREQ 2 41163953Srrs 42167598Srrs/* Address limit - This variable is calculated 43167598Srrs * based on an 1500 byte mtu. We take out 100 bytes 44167598Srrs * for the cookie, 40 bytes for a v6 header and 32 45167598Srrs * bytes for the init structure. A second init structure 46167598Srrs * for the init-ack and then finally a third one for the 47167598Srrs * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 48167598Srrs * This leaves 1264 bytes for addresses. Now whatever we 49167598Srrs * send in the INIT() we need to allow to get back in the 50167598Srrs * INIT-ACK plus all the values from INIT and INIT-ACK 51167598Srrs * listed in the cookie. Plus we need some overhead for 52167598Srrs * maybe copied parameters in the COOKIE. If we 53167598Srrs * allow 20 addresses, and each side has 20 V6 addresses 54167598Srrs * that will be 400 bytes. In the INIT-ACK we will 55167598Srrs * see the INIT-ACK 400 + 800 in the cookie. This leaves 56167598Srrs * 64 bytes slack for misc things in the cookie. Otherwise 57167598Srrs * we need to allow IP fragmentation.. which I believe 58167598Srrs * the INIT-ACK and COOKIE do, I don't think we do that 59167598Srrs * to the INIT though. So the max you could make this 60167598Srrs * value is 60 addresses. 61167598Srrs */ 62167598Srrs#define SCTP_ADDRESS_LIMIT 20 63167598Srrs 64167598Srrs/* Number of addresses where we just skip the counting */ 65167598Srrs#define SCTP_COUNT_LIMIT 40 66167598Srrs 67167598Srrs/* Number of ticks to delay before running 68167598Srrs * iterator on an address change. 69167598Srrs */ 70167598Srrs#define SCTP_ADDRESS_TICK_DELAY 2 71167598Srrs 72163953Srrs#define SCTP_VERSION_STRING "KAME-BSD 1.1" 73163953Srrs/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 74163953Srrs#define SCTP_AUDIT_SIZE 256 75163953Srrs#define SCTP_STAT_LOG_SIZE 80000 76163953Srrs 77167598Srrs#define SCTP_USE_THREAD_BASED_ITERATOR 1 78167598Srrs 79167598Srrs#define SCTP_KTRHEAD_NAME "sctp_iterator" 80167598Srrs#define SCTP_KTHREAD_PAGES 2 81167598Srrs 82167598Srrs 83167598Srrs/* If you support Multi-VRF how big to 84167598Srrs * make the initial array of VRF's to. 85167598Srrs */ 86167598Srrs#define SCTP_DEFAULT_VRF_SIZE 4 87167598Srrs 88163953Srrs/* Places that CWND log can happen from */ 89163953Srrs#define SCTP_CWND_LOG_FROM_FR 1 90163953Srrs#define SCTP_CWND_LOG_FROM_RTX 2 91163953Srrs#define SCTP_CWND_LOG_FROM_BRST 3 92163953Srrs#define SCTP_CWND_LOG_FROM_SS 4 93163953Srrs#define SCTP_CWND_LOG_FROM_CA 5 94163953Srrs#define SCTP_CWND_LOG_FROM_SAT 6 95163953Srrs#define SCTP_BLOCK_LOG_INTO_BLK 7 96163953Srrs#define SCTP_BLOCK_LOG_OUTOF_BLK 8 97163953Srrs#define SCTP_BLOCK_LOG_CHECK 9 98163953Srrs#define SCTP_STR_LOG_FROM_INTO_STRD 10 99163953Srrs#define SCTP_STR_LOG_FROM_IMMED_DEL 11 100163953Srrs#define SCTP_STR_LOG_FROM_INSERT_HD 12 101163953Srrs#define SCTP_STR_LOG_FROM_INSERT_MD 13 102163953Srrs#define SCTP_STR_LOG_FROM_INSERT_TL 14 103163953Srrs#define SCTP_STR_LOG_FROM_MARK_TSN 15 104163953Srrs#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 105163953Srrs#define SCTP_FR_LOG_BIGGEST_TSNS 17 106163953Srrs#define SCTP_FR_LOG_STRIKE_TEST 18 107163953Srrs#define SCTP_FR_LOG_STRIKE_CHUNK 19 108163953Srrs#define SCTP_FR_T3_TIMEOUT 20 109163953Srrs#define SCTP_MAP_PREPARE_SLIDE 21 110163953Srrs#define SCTP_MAP_SLIDE_FROM 22 111163953Srrs#define SCTP_MAP_SLIDE_RESULT 23 112163953Srrs#define SCTP_MAP_SLIDE_CLEARED 24 113163953Srrs#define SCTP_MAP_SLIDE_NONE 25 114163953Srrs#define SCTP_FR_T3_MARK_TIME 26 115163953Srrs#define SCTP_FR_T3_MARKED 27 116163953Srrs#define SCTP_FR_T3_STOPPED 28 117163953Srrs#define SCTP_FR_MARKED 30 118163953Srrs#define SCTP_CWND_LOG_NOADV_SS 31 119163953Srrs#define SCTP_CWND_LOG_NOADV_CA 32 120163953Srrs#define SCTP_MAX_BURST_APPLIED 33 121163953Srrs#define SCTP_MAX_IFP_APPLIED 34 122163953Srrs#define SCTP_MAX_BURST_ERROR_STOP 35 123163953Srrs#define SCTP_INCREASE_PEER_RWND 36 124163953Srrs#define SCTP_DECREASE_PEER_RWND 37 125163953Srrs#define SCTP_SET_PEER_RWND_VIA_SACK 38 126163953Srrs#define SCTP_LOG_MBCNT_INCREASE 39 127163953Srrs#define SCTP_LOG_MBCNT_DECREASE 40 128163953Srrs#define SCTP_LOG_MBCNT_CHKSET 41 129163953Srrs#define SCTP_LOG_NEW_SACK 42 130163953Srrs#define SCTP_LOG_TSN_ACKED 43 131163953Srrs#define SCTP_LOG_TSN_REVOKED 44 132163953Srrs#define SCTP_LOG_LOCK_TCB 45 133163953Srrs#define SCTP_LOG_LOCK_INP 46 134163953Srrs#define SCTP_LOG_LOCK_SOCK 47 135163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_R 48 136163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_S 49 137163953Srrs#define SCTP_LOG_LOCK_CREATE 50 138163953Srrs#define SCTP_LOG_INITIAL_RTT 51 139163953Srrs#define SCTP_LOG_RTTVAR 52 140163953Srrs#define SCTP_LOG_SBALLOC 53 141163953Srrs#define SCTP_LOG_SBFREE 54 142163953Srrs#define SCTP_LOG_SBRESULT 55 143163953Srrs#define SCTP_FR_DUPED 56 144163953Srrs#define SCTP_FR_MARKED_EARLY 57 145163953Srrs#define SCTP_FR_CWND_REPORT 58 146163953Srrs#define SCTP_FR_CWND_REPORT_START 59 147163953Srrs#define SCTP_FR_CWND_REPORT_STOP 60 148163953Srrs#define SCTP_CWND_LOG_FROM_SEND 61 149163953Srrs#define SCTP_CWND_INITIALIZATION 62 150163953Srrs#define SCTP_CWND_LOG_FROM_T3 63 151163953Srrs#define SCTP_CWND_LOG_FROM_SACK 64 152163953Srrs#define SCTP_CWND_LOG_NO_CUMACK 65 153163953Srrs#define SCTP_CWND_LOG_FROM_RESEND 66 154163953Srrs#define SCTP_FR_LOG_CHECK_STRIKE 67 155163953Srrs#define SCTP_SEND_NOW_COMPLETES 68 156163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 157163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 158163953Srrs#define SCTP_LOG_FREE_SENT 71 159163953Srrs#define SCTP_NAGLE_APPLIED 72 160163953Srrs#define SCTP_NAGLE_SKIPPED 73 161163953Srrs#define SCTP_WAKESND_FROM_SACK 74 162163953Srrs#define SCTP_WAKESND_FROM_FWDTSN 75 163163953Srrs#define SCTP_NOWAKE_FROM_SACK 76 164163953Srrs#define SCTP_CWNDLOG_PRESEND 77 165163953Srrs#define SCTP_CWNDLOG_ENDSEND 78 166163953Srrs#define SCTP_AT_END_OF_SACK 79 167163953Srrs#define SCTP_REASON_FOR_SC 80 168163953Srrs#define SCTP_BLOCK_LOG_INTO_BLKA 81 169163953Srrs#define SCTP_ENTER_USER_RECV 82 170163953Srrs#define SCTP_USER_RECV_SACKS 83 171163953Srrs#define SCTP_SORECV_BLOCKSA 84 172163953Srrs#define SCTP_SORECV_BLOCKSB 85 173163953Srrs#define SCTP_SORECV_DONE 86 174163953Srrs#define SCTP_SACK_RWND_UPDATE 87 175163953Srrs#define SCTP_SORECV_ENTER 88 176163953Srrs#define SCTP_SORECV_ENTERPL 89 177163953Srrs#define SCTP_MBUF_INPUT 90 178163953Srrs#define SCTP_MBUF_IALLOC 91 179163953Srrs#define SCTP_MBUF_IFREE 92 180163953Srrs#define SCTP_MBUF_ICOPY 93 181163953Srrs#define SCTP_SORCV_FREECTL 94 182163953Srrs#define SCTP_SORCV_DOESCPY 95 183163953Srrs#define SCTP_SORCV_DOESLCK 96 184163953Srrs#define SCTP_SORCV_DOESADJ 97 185163953Srrs#define SCTP_SORCV_BOTWHILE 98 186163953Srrs#define SCTP_SORCV_PASSBF 99 187163953Srrs#define SCTP_SORCV_ADJD 100 188163953Srrs#define SCTP_UNKNOWN_MAX 101 189163953Srrs#define SCTP_RANDY_STUFF 102 190163953Srrs#define SCTP_RANDY_STUFF1 103 191164181Srrs#define SCTP_STRMOUT_LOG_ASSIGN 104 192164181Srrs#define SCTP_STRMOUT_LOG_SEND 105 193165220Srrs#define SCTP_FLIGHT_LOG_DOWN 106 194165220Srrs#define SCTP_FLIGHT_LOG_UP 107 195165220Srrs#define SCTP_LOG_MAX_TYPES 108 196163953Srrs/* 197163953Srrs * To turn on various logging, you must first define SCTP_STAT_LOGGING. Then 198163953Srrs * to get something to log you define one of the logging defines i.e. 199163953Srrs * 200163953Srrs * SCTP_CWND_LOGGING SCTP_BLK_LOGGING SCTP_STR_LOGGING SCTP_FR_LOGGING 201163953Srrs * 202163953Srrs * Any one or a combination of the logging can be turned on. 203163953Srrs */ 204163953Srrs#define SCTP_LOG_EVENT_UNKNOWN 0 205163953Srrs#define SCTP_LOG_EVENT_CWND 1 206163953Srrs#define SCTP_LOG_EVENT_BLOCK 2 207163953Srrs#define SCTP_LOG_EVENT_STRM 3 208163953Srrs#define SCTP_LOG_EVENT_FR 4 209163953Srrs#define SCTP_LOG_EVENT_MAP 5 210163953Srrs#define SCTP_LOG_EVENT_MAXBURST 6 211163953Srrs#define SCTP_LOG_EVENT_RWND 7 212163953Srrs#define SCTP_LOG_EVENT_MBCNT 8 213163953Srrs#define SCTP_LOG_EVENT_SACK 9 214163953Srrs#define SCTP_LOG_LOCK_EVENT 10 215163953Srrs#define SCTP_LOG_EVENT_RTT 11 216163953Srrs#define SCTP_LOG_EVENT_SB 12 217163953Srrs#define SCTP_LOG_EVENT_NAGLE 13 218163953Srrs#define SCTP_LOG_EVENT_WAKE 14 219163953Srrs#define SCTP_LOG_MISC_EVENT 15 220163953Srrs#define SCTP_LOG_EVENT_CLOSE 16 221163953Srrs#define SCTP_LOG_EVENT_MBUF 17 222163953Srrs 223163953Srrs#define SCTP_LOG_MAX_EVENT 18 224163953Srrs 225163953Srrs#define SCTP_LOCK_UNKNOWN 2 226163953Srrs 227163953Srrs 228163953Srrs/* number of associations by default for zone allocation */ 229163953Srrs#define SCTP_MAX_NUM_OF_ASOC 40000 230163953Srrs/* how many addresses per assoc remote and local */ 231163953Srrs#define SCTP_SCALE_FOR_ADDR 2 232163953Srrs 233163953Srrs/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 234167598Srrs#if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF) 235167598Srrs#define SCTP_DEFAULT_AUTO_ASCONF 0 236167598Srrs#else 237167598Srrs#define SCTP_DEFAULT_AUTO_ASCONF 1 238167598Srrs#endif 239163953Srrs 240163953Srrs/* 241163953Srrs * Theshold for rwnd updates, we have to read (sb_hiwat >> 242163953Srrs * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 243163953Srrs * window update sack. When we look, we compare the last rwnd we sent vs the 244163953Srrs * current rwnd. It too must be greater than this value. Using 3 divdes the 245163953Srrs * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 246163953Srrs * to read 8k. This seems about right.. I hope :-D.. we do set a 247163953Srrs * min of a MTU on it so if the rwnd is real small we will insist 248163953Srrs * on a full MTU of 1500 bytes. 249163953Srrs */ 250163953Srrs#define SCTP_RWND_HIWAT_SHIFT 3 251163953Srrs 252163953Srrs/* How much of the rwnd must the 253163953Srrs * message be taking up to start partial delivery. 254163953Srrs * We calculate this by shifing the hi_water (recv_win) 255163953Srrs * left the following .. set to 1, when a message holds 256163953Srrs * 1/2 the rwnd. If we set it to 2 when a message holds 257163953Srrs * 1/4 the rwnd...etc.. 258163953Srrs */ 259163953Srrs 260163953Srrs#define SCTP_PARTIAL_DELIVERY_SHIFT 1 261163953Srrs 262163953Srrs/* Minimum number of bytes read by user before we 263163953Srrs * condsider doing a rwnd update 264163953Srrs */ 265163953Srrs#define SCTP_MIN_READ_BEFORE_CONSIDERING 3000 266163953Srrs 267163953Srrs/* 268163953Srrs * default HMAC for cookies, etc... use one of the AUTH HMAC id's 269163953Srrs * SCTP_HMAC is the HMAC_ID to use 270163953Srrs * SCTP_SIGNATURE_SIZE is the digest length 271163953Srrs */ 272163953Srrs#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 273163953Srrs#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 274163953Srrs#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 275163953Srrs 276163953Srrs/* DEFINE HERE WHAT CRC YOU WANT TO USE */ 277163953Srrs#define SCTP_USECRC_RFC2960 1 278163953Srrs/* #define SCTP_USECRC_FLETCHER 1 */ 279163953Srrs/* #define SCTP_USECRC_SSHCRC32 1 */ 280163953Srrs/* #define SCTP_USECRC_FASTCRC32 1 */ 281163953Srrs/* #define SCTP_USECRC_CRC32 1 */ 282163953Srrs/* #define SCTP_USECRC_TCP32 1 */ 283163953Srrs/* #define SCTP_USECRC_CRC16SMAL 1 */ 284163953Srrs/* #define SCTP_USECRC_CRC16 1 */ 285163953Srrs/* #define SCTP_USECRC_MODADLER 1 */ 286163953Srrs 287163953Srrs#ifndef SCTP_ADLER32_BASE 288163953Srrs#define SCTP_ADLER32_BASE 65521 289163953Srrs#endif 290163953Srrs 291163953Srrs/* 292163953Srrs * the SCTP protocol signature this includes the version number encoded in 293163953Srrs * the last 4 bits of the signature. 294163953Srrs */ 295163953Srrs#define PROTO_SIGNATURE_A 0x30000000 296163953Srrs#define SCTP_VERSION_NUMBER 0x3 297163953Srrs 298163953Srrs#define MAX_TSN 0xffffffff 299163953Srrs#define MAX_SEQ 0xffff 300163953Srrs 301163953Srrs/* how many executions every N tick's */ 302163953Srrs#define SCTP_ITERATOR_MAX_AT_ONCE 20 303163953Srrs 304163953Srrs/* number of clock ticks between iterator executions */ 305163953Srrs#define SCTP_ITERATOR_TICKS 1 306163953Srrs 307163953Srrs/* 308163953Srrs * option: If you comment out the following you will receive the old behavior 309163953Srrs * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 310163953Srrs * happens right away with-out waiting for the flightsize to drop below the 311163953Srrs * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 312163953Srrs */ 313163953Srrs#define SCTP_IGNORE_CWND_ON_FR 1 314163953Srrs 315163953Srrs/* 316163953Srrs * Adds implementors guide behavior to only use newest highest update in SACK 317163953Srrs * gap ack's to figure out if you need to stroke a chunk for FR. 318163953Srrs */ 319163953Srrs#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 320163953Srrs 321163953Srrs/* default max I can burst out after a fast retransmit */ 322163953Srrs#define SCTP_DEF_MAX_BURST 4 323163953Srrs/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 324163953Srrs#define SCTP_FIRST_MBUF_RESV 68 325163953Srrs/* Packet transmit states in the sent field */ 326163953Srrs#define SCTP_DATAGRAM_UNSENT 0 327163953Srrs#define SCTP_DATAGRAM_SENT 1 328163953Srrs#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 329163953Srrs * hit this value) */ 330163953Srrs#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 331163953Srrs * hit this value) */ 332163953Srrs#define SCTP_DATAGRAM_RESEND 4 333163953Srrs#define SCTP_DATAGRAM_ACKED 10010 334163953Srrs#define SCTP_DATAGRAM_INBOUND 10011 335163953Srrs#define SCTP_READY_TO_TRANSMIT 10012 336163953Srrs#define SCTP_DATAGRAM_MARKED 20010 337163953Srrs#define SCTP_FORWARD_TSN_SKIP 30010 338163953Srrs 339163953Srrs/* chunk output send from locations */ 340163953Srrs#define SCTP_OUTPUT_FROM_USR_SEND 0 341163953Srrs#define SCTP_OUTPUT_FROM_T3 1 342163953Srrs#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 343163953Srrs#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 344163953Srrs#define SCTP_OUTPUT_FROM_SACK_TMR 4 345163953Srrs#define SCTP_OUTPUT_FROM_SHUT_TMR 5 346163953Srrs#define SCTP_OUTPUT_FROM_HB_TMR 6 347163953Srrs#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 348163953Srrs#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 349163953Srrs#define SCTP_OUTPUT_FROM_STRRST_TMR 9 350163953Srrs#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 351163953Srrs#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 352163953Srrs#define SCTP_OUTPUT_FROM_STRRST_REQ 12 353163953Srrs#define SCTP_OUTPUT_FROM_USR_RCVD 13 354164205Srrs#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 355167598Srrs#define SCTP_OUTPUT_FROM_DRAIN 15 356163953Srrs/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 357163953Srrs 358163953Srrs/* align to 32-bit sizes */ 359163953Srrs#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 360163953Srrs 361163953Srrs#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 362163953Srrs#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 363163953Srrs 364163953Srrs 365163953Srrs/* SCTP parameter types */ 366163953Srrs/*************0x0000 series*************/ 367163953Srrs#define SCTP_HEARTBEAT_INFO 0x0001 368163953Srrs#define SCTP_IPV4_ADDRESS 0x0005 369163953Srrs#define SCTP_IPV6_ADDRESS 0x0006 370163953Srrs#define SCTP_STATE_COOKIE 0x0007 371163953Srrs#define SCTP_UNRECOG_PARAM 0x0008 372163953Srrs#define SCTP_COOKIE_PRESERVE 0x0009 373163953Srrs#define SCTP_HOSTNAME_ADDRESS 0x000b 374163953Srrs#define SCTP_SUPPORTED_ADDRTYPE 0x000c 375163953Srrs 376163953Srrs/* draft-ietf-stewart-strreset-xxx */ 377163953Srrs#define SCTP_STR_RESET_OUT_REQUEST 0x000d 378163953Srrs#define SCTP_STR_RESET_IN_REQUEST 0x000e 379163953Srrs#define SCTP_STR_RESET_TSN_REQUEST 0x000f 380163953Srrs#define SCTP_STR_RESET_RESPONSE 0x0010 381163953Srrs 382163953Srrs#define SCTP_MAX_RESET_PARAMS 2 383163953Srrs#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 384163953Srrs 385163953Srrs/*************0x4000 series*************/ 386163953Srrs 387163953Srrs/*************0x8000 series*************/ 388163953Srrs#define SCTP_ECN_CAPABLE 0x8000 389163953Srrs/* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 390163953Srrs#define SCTP_ECN_NONCE_SUPPORTED 0x8001 391163953Srrs/* draft-ietf-tsvwg-auth-xxx */ 392163953Srrs#define SCTP_RANDOM 0x8002 393163953Srrs#define SCTP_CHUNK_LIST 0x8003 394163953Srrs#define SCTP_HMAC_LIST 0x8004 395163953Srrs/* 396163953Srrs * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 397163953Srrs * | Byte Byte | Byte ... 398163953Srrs * 399163953Srrs * Where each byte is a chunk type extension supported. For example, to support 400163953Srrs * all chunks one would have (in hex): 401163953Srrs * 402163953Srrs * 80 01 00 09 C0 C1 80 81 82 00 00 00 403163953Srrs * 404163953Srrs * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 405163953Srrs * = Packet Drop 82 = Stream Reset 83 = Authentication 406163953Srrs */ 407163953Srrs#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 408163953Srrs 409163953Srrs/*************0xC000 series*************/ 410163953Srrs#define SCTP_PRSCTP_SUPPORTED 0xc000 411163953Srrs/* draft-ietf-tsvwg-addip-sctp */ 412163953Srrs#define SCTP_ADD_IP_ADDRESS 0xc001 413163953Srrs#define SCTP_DEL_IP_ADDRESS 0xc002 414163953Srrs#define SCTP_ERROR_CAUSE_IND 0xc003 415163953Srrs#define SCTP_SET_PRIM_ADDR 0xc004 416163953Srrs#define SCTP_SUCCESS_REPORT 0xc005 417163953Srrs#define SCTP_ULP_ADAPTATION 0xc006 418163953Srrs 419163953Srrs/* Notification error codes */ 420163953Srrs#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 421163953Srrs#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 422163953Srrs#define SCTP_FAILED_THRESHOLD 0x0004 423163953Srrs#define SCTP_HEARTBEAT_SUCCESS 0x0008 424163953Srrs#define SCTP_RESPONSE_TO_USER_REQ 0x000f 425163953Srrs#define SCTP_INTERNAL_ERROR 0x0010 426163953Srrs#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0020 427163953Srrs#define SCTP_RECEIVED_SACK 0x0040 428163953Srrs#define SCTP_PEER_FAULTY 0x0080 429163953Srrs 430163953Srrs/* bits for TOS field */ 431163953Srrs#define SCTP_ECT0_BIT 0x02 432163953Srrs#define SCTP_ECT1_BIT 0x01 433163953Srrs#define SCTP_CE_BITS 0x03 434163953Srrs 435163953Srrs/* below turns off above */ 436163953Srrs#define SCTP_FLEXIBLE_ADDRESS 0x20 437163953Srrs#define SCTP_NO_HEARTBEAT 0x40 438163953Srrs 439163953Srrs/* mask to get sticky */ 440163953Srrs#define SCTP_STICKY_OPTIONS_MASK 0x0c 441163953Srrs 442163953Srrs 443163953Srrs/* Chunk flags */ 444163953Srrs#define SCTP_WINDOW_PROBE 0x01 445163953Srrs 446163953Srrs/* 447163953Srrs * SCTP states for internal state machine XXX (should match "user" values) 448163953Srrs */ 449163953Srrs#define SCTP_STATE_EMPTY 0x0000 450163953Srrs#define SCTP_STATE_INUSE 0x0001 451163953Srrs#define SCTP_STATE_COOKIE_WAIT 0x0002 452163953Srrs#define SCTP_STATE_COOKIE_ECHOED 0x0004 453163953Srrs#define SCTP_STATE_OPEN 0x0008 454163953Srrs#define SCTP_STATE_SHUTDOWN_SENT 0x0010 455163953Srrs#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 456163953Srrs#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 457163953Srrs#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 458163953Srrs#define SCTP_STATE_CLOSED_SOCKET 0x0100 459163953Srrs#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 460163953Srrs#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 461163953Srrs#define SCTP_STATE_MASK 0x007f 462163953Srrs 463163953Srrs#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 464163953Srrs 465163953Srrs/* SCTP reachability state for each address */ 466163953Srrs#define SCTP_ADDR_REACHABLE 0x001 467163953Srrs#define SCTP_ADDR_NOT_REACHABLE 0x002 468163953Srrs#define SCTP_ADDR_NOHB 0x004 469163953Srrs#define SCTP_ADDR_BEING_DELETED 0x008 470163953Srrs#define SCTP_ADDR_NOT_IN_ASSOC 0x010 471163953Srrs#define SCTP_ADDR_WAS_PRIMARY 0x020 472163953Srrs#define SCTP_ADDR_SWITCH_PRIMARY 0x040 473163953Srrs#define SCTP_ADDR_OUT_OF_SCOPE 0x080 474163953Srrs#define SCTP_ADDR_DOUBLE_SWITCH 0x100 475163953Srrs#define SCTP_ADDR_UNCONFIRMED 0x200 476167598Srrs#define SCTP_ADDR_REQ_PRIMARY 0x400 477163953Srrs#define SCTP_REACHABLE_MASK 0x203 478163953Srrs 479163953Srrs/* bound address types (e.g. valid address types to allow) */ 480163953Srrs#define SCTP_BOUND_V6 0x01 481163953Srrs#define SCTP_BOUND_V4 0x02 482163953Srrs 483163953Srrs/* 484163953Srrs * what is the default number of mbufs in a chain I allow before switching to 485163953Srrs * a cluster 486163953Srrs */ 487163953Srrs#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 488163953Srrs 489163953Srrs/* How long a cookie lives in seconds */ 490163953Srrs#define SCTP_DEFAULT_COOKIE_LIFE 60 491163953Srrs 492163953Srrs/* resource limit of streams */ 493163953Srrs#define MAX_SCTP_STREAMS 2048 494163953Srrs 495163953Srrs/* Maximum the mapping array will grow to (TSN mapping array) */ 496163953Srrs#define SCTP_MAPPING_ARRAY 512 497163953Srrs 498163953Srrs/* size of the inital malloc on the mapping array */ 499163953Srrs#define SCTP_INITIAL_MAPPING_ARRAY 16 500163953Srrs/* how much we grow the mapping array each call */ 501163953Srrs#define SCTP_MAPPING_ARRAY_INCR 32 502163953Srrs 503163953Srrs/* 504163953Srrs * Here we define the timer types used by the implementation as arguments in 505163953Srrs * the set/get timer type calls. 506163953Srrs */ 507163953Srrs#define SCTP_TIMER_INIT 0 508163953Srrs#define SCTP_TIMER_RECV 1 509163953Srrs#define SCTP_TIMER_SEND 2 510163953Srrs#define SCTP_TIMER_HEARTBEAT 3 511163953Srrs#define SCTP_TIMER_PMTU 4 512163953Srrs#define SCTP_TIMER_MAXSHUTDOWN 5 513163953Srrs#define SCTP_TIMER_SIGNATURE 6 514163953Srrs/* 515163953Srrs * number of timer types in the base SCTP structure used in the set/get and 516163953Srrs * has the base default. 517163953Srrs */ 518163953Srrs#define SCTP_NUM_TMRS 7 519163953Srrs 520163953Srrs/* timer types */ 521163953Srrs#define SCTP_TIMER_TYPE_NONE 0 522163953Srrs#define SCTP_TIMER_TYPE_SEND 1 523163953Srrs#define SCTP_TIMER_TYPE_INIT 2 524163953Srrs#define SCTP_TIMER_TYPE_RECV 3 525163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWN 4 526163953Srrs#define SCTP_TIMER_TYPE_HEARTBEAT 5 527163953Srrs#define SCTP_TIMER_TYPE_COOKIE 6 528163953Srrs#define SCTP_TIMER_TYPE_NEWCOOKIE 7 529163953Srrs#define SCTP_TIMER_TYPE_PATHMTURAISE 8 530163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 531163953Srrs#define SCTP_TIMER_TYPE_ASCONF 10 532163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 533163953Srrs#define SCTP_TIMER_TYPE_AUTOCLOSE 12 534163953Srrs#define SCTP_TIMER_TYPE_EVENTWAKE 13 535163953Srrs#define SCTP_TIMER_TYPE_STRRESET 14 536163953Srrs#define SCTP_TIMER_TYPE_INPKILL 15 537163953Srrs#define SCTP_TIMER_TYPE_ITERATOR 16 538163953Srrs#define SCTP_TIMER_TYPE_EARLYFR 17 539163953Srrs#define SCTP_TIMER_TYPE_ASOCKILL 18 540163953Srrs#define SCTP_TIMER_TYPE_ADDR_WQ 19 541163953Srrs/* add new timers here - and increment LAST */ 542163953Srrs#define SCTP_TIMER_TYPE_LAST 20 543163953Srrs 544163953Srrs#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 545163953Srrs ((t) < SCTP_TIMER_TYPE_LAST)) 546163953Srrs 547163953Srrs 548163953Srrs 549163953Srrs/* 550163953Srrs * Number of ticks before the soxwakeup() event that is delayed is sent AFTER 551163953Srrs * the accept() call 552163953Srrs */ 553163953Srrs#define SCTP_EVENTWAKEUP_WAIT_TICKS 3000 554163953Srrs 555163953Srrs/* 556163953Srrs * Of course we really don't collect stale cookies, being folks of decerning 557163953Srrs * taste. However we do count them, if we get too many before the association 558163953Srrs * comes up.. we give up. Below is the constant that dictates when we give it 559163953Srrs * up...this is a implemenation dependent treatment. In ours we do not ask 560163953Srrs * for a extension of time, but just retry this many times... 561163953Srrs */ 562163953Srrs#define SCTP_MAX_STALE_COOKIES_I_COLLECT 10 563163953Srrs 564163953Srrs/* max number of TSN's dup'd that I will hold */ 565163953Srrs#define SCTP_MAX_DUP_TSNS 20 566163953Srrs 567163953Srrs/* 568163953Srrs * Here we define the types used when setting the retry amounts. 569163953Srrs */ 570163953Srrs/* constants for type of set */ 571163953Srrs#define SCTP_MAXATTEMPT_INIT 2 572163953Srrs#define SCTP_MAXATTEMPT_SEND 3 573163953Srrs 574163953Srrs/* Maximum TSN's we will summarize in a drop report */ 575163953Srrs#define SCTP_MAX_DROP_REPORT 16 576163953Srrs 577163953Srrs/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 578163953Srrs#define SCTP_RETRY_DROPPED_THRESH 4 579163953Srrs 580163953Srrs/* 581163953Srrs * And the max we will keep a history of in the tcb which MUST be lower than 582163953Srrs * 256. 583163953Srrs */ 584163953Srrs#define SCTP_MAX_DROP_SAVE_REPORT 16 585163953Srrs 586163953Srrs/* 587163953Srrs * Here we define the default timers and the default number of attemts we 588163953Srrs * make for each respective side (send/init). 589163953Srrs */ 590163953Srrs 591163953Srrs/* 592163953Srrs * Maxmium number of chunks a single association can have on it. Note that 593163953Srrs * this is a squishy number since the count can run over this if the user 594163953Srrs * sends a large message down .. the fragmented chunks don't count until 595163953Srrs * AFTER the message is on queue.. it would be the next send that blocks 596163953Srrs * things. This number will get tuned up at boot in the sctp_init and use the 597163953Srrs * number of clusters as a base. This way high bandwidth environments will 598163953Srrs * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 599163953Srrs */ 600163953Srrs#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 601163953Srrs 602167598Srrs/* The conversion from time to ticks and vice versa is done by rounding 603167598Srrs * upwards. This way we can test in the code the time to be positive and 604167598Srrs * know that this corresponds to a positive number of ticks. 605167598Srrs */ 606167598Srrs#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 607167598Srrs#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 608163953Srrs 609163953Srrs#define SEC_TO_TICKS(x) ((x) * hz) 610167598Srrs#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 611163953Srrs 612163953Srrs/* 613163953Srrs * Basically the minimum amount of time before I do a early FR. Making this 614163953Srrs * value to low will cause duplicate retransmissions. 615163953Srrs */ 616163953Srrs#define SCTP_MINFR_MSEC_TIMER 250 617163953Srrs/* The floor this value is allowed to fall to when starting a timer. */ 618163953Srrs#define SCTP_MINFR_MSEC_FLOOR 20 619163953Srrs 620163953Srrs/* init timer def = 1 sec */ 621163953Srrs#define SCTP_INIT_SEC 1 622163953Srrs 623163953Srrs/* send timer def = 1 seconds */ 624163953Srrs#define SCTP_SEND_SEC 1 625163953Srrs 626163953Srrs/* recv timer def = 200ms */ 627163953Srrs#define SCTP_RECV_MSEC 200 628163953Srrs 629163953Srrs/* 30 seconds + RTO (in ms) */ 630163953Srrs#define SCTP_HB_DEFAULT_MSEC 30000 631163953Srrs 632163953Srrs/* Max time I will wait for Shutdown to complete */ 633163953Srrs#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 634163953Srrs 635163953Srrs 636163953Srrs/* 637163953Srrs * This is how long a secret lives, NOT how long a cookie lives how many 638163953Srrs * ticks the current secret will live. 639163953Srrs */ 640163953Srrs#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 641163953Srrs 642163953Srrs#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 643163953Srrs#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 644163953Srrs#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 645163953Srrs#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 646163953Srrs 647163953Srrs 648163953Srrs#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 649163953Srrs#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 650163953Srrs 651163953Srrs#define SCTP_DEF_MAX_INIT 8 652163953Srrs#define SCTP_DEF_MAX_SEND 10 653163953Srrs#define SCTP_DEF_MAX_PATH_RTX 4 654163953Srrs 655163953Srrs#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 656163953Srrs#define SCTP_DEF_PMTU_MIN 600 657163953Srrs 658163953Srrs#define SCTP_MSEC_IN_A_SEC 1000 659163953Srrs#define SCTP_USEC_IN_A_SEC 1000000 660163953Srrs#define SCTP_NSEC_IN_A_SEC 1000000000 661163953Srrs 662163953Srrs#define SCTP_MAX_OUTSTANDING_DG 10000 663163953Srrs 664163953Srrs/* How many streams I request initally by default */ 665163953Srrs#define SCTP_OSTREAM_INITIAL 10 666163953Srrs 667163953Srrs/* 668163953Srrs * How many smallest_mtu's need to increase before a window update sack is 669163953Srrs * sent (should be a power of 2). 670163953Srrs */ 671163953Srrs#define SCTP_SEG_TO_RWND_UPD 32 672163953Srrs/* Send window update (incr * this > hiwat). Should be a power of 2 */ 673163953Srrs#define SCTP_SCALE_OF_RWND_TO_UPD 4 674163953Srrs#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 675163953Srrs 676163953Srrs#define SCTP_ADDRMAX 20 677163953Srrs 678163953Srrs/* SCTP DEBUG Switch parameters */ 679163953Srrs#define SCTP_DEBUG_TIMER1 0x00000001 680163953Srrs#define SCTP_DEBUG_TIMER2 0x00000002 681163953Srrs#define SCTP_DEBUG_TIMER3 0x00000004 682163953Srrs#define SCTP_DEBUG_TIMER4 0x00000008 683163953Srrs#define SCTP_DEBUG_OUTPUT1 0x00000010 684163953Srrs#define SCTP_DEBUG_OUTPUT2 0x00000020 685163953Srrs#define SCTP_DEBUG_OUTPUT3 0x00000040 686163953Srrs#define SCTP_DEBUG_OUTPUT4 0x00000080 687163953Srrs#define SCTP_DEBUG_UTIL1 0x00000100 688163953Srrs#define SCTP_DEBUG_UTIL2 0x00000200 689163953Srrs#define SCTP_DEBUG_AUTH1 0x00000400 690163953Srrs#define SCTP_DEBUG_AUTH2 0x00000800 691163953Srrs#define SCTP_DEBUG_INPUT1 0x00001000 692163953Srrs#define SCTP_DEBUG_INPUT2 0x00002000 693163953Srrs#define SCTP_DEBUG_INPUT3 0x00004000 694163953Srrs#define SCTP_DEBUG_INPUT4 0x00008000 695163953Srrs#define SCTP_DEBUG_ASCONF1 0x00010000 696163953Srrs#define SCTP_DEBUG_ASCONF2 0x00020000 697163953Srrs#define SCTP_DEBUG_OUTPUT5 0x00040000 698163953Srrs#define SCTP_DEBUG_XXX 0x00080000 699163953Srrs#define SCTP_DEBUG_PCB1 0x00100000 700163953Srrs#define SCTP_DEBUG_PCB2 0x00200000 701163953Srrs#define SCTP_DEBUG_PCB3 0x00400000 702163953Srrs#define SCTP_DEBUG_PCB4 0x00800000 703163953Srrs#define SCTP_DEBUG_INDATA1 0x01000000 704163953Srrs#define SCTP_DEBUG_INDATA2 0x02000000 705163953Srrs#define SCTP_DEBUG_INDATA3 0x04000000 706163953Srrs#define SCTP_DEBUG_INDATA4 0x08000000 707163953Srrs#define SCTP_DEBUG_USRREQ1 0x10000000 708163953Srrs#define SCTP_DEBUG_USRREQ2 0x20000000 709163953Srrs#define SCTP_DEBUG_PEEL1 0x40000000 710163953Srrs#define SCTP_DEBUG_XXXXX 0x80000000 711163953Srrs#define SCTP_DEBUG_ALL 0x7ff3ffff 712163953Srrs#define SCTP_DEBUG_NOISY 0x00040000 713163953Srrs 714163953Srrs/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 715163953Srrs#define SCTP_SWS_SENDER_DEF 1420 716163953Srrs 717163953Srrs/* 718163953Srrs * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 719163953Srrs * would be hiwat/2 etc. 720163953Srrs */ 721163953Srrs/* What receiver needs to see in sockbuf or we tell peer its 1 */ 722163953Srrs#define SCTP_SWS_RECEIVER_DEF 3000 723163953Srrs 724163953Srrs#define SCTP_INITIAL_CWND 4380 725163953Srrs 726163953Srrs/* amount peer is obligated to have in rwnd or I will abort */ 727163953Srrs#define SCTP_MIN_RWND 1500 728163953Srrs 729163953Srrs#define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */ 730163953Srrs#define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to My playing 731163953Srrs * around suggests a value greater than 64k 732163953Srrs * does not do much, I guess via the kernel 733163953Srrs * limitations on the stream/socket. */ 734163953Srrs 735163953Srrs/* I can handle a 1meg re-assembly */ 736163953Srrs#define SCTP_DEFAULT_MAXMSGREASM 1048576 737163953Srrs 738163953Srrs#define SCTP_DEFAULT_MAXSEGMENT 65535 739163953Srrs 740166675Srrs#define SCTP_CHUNK_BUFFER_SIZE 2048 741166675Srrs#define SCTP_PARAM_BUFFER_SIZE 512 742163953Srrs 743163953Srrs#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 744163953Srrs#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 745163953Srrs 746163953Srrs#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 747163953Srrs#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 748163953Srrs 749163953Srrs 750163953Srrs/* 751163953Srrs * SCTP upper layer notifications 752163953Srrs */ 753163953Srrs#define SCTP_NOTIFY_ASSOC_UP 1 754163953Srrs#define SCTP_NOTIFY_ASSOC_DOWN 2 755163953Srrs#define SCTP_NOTIFY_INTERFACE_DOWN 3 756163953Srrs#define SCTP_NOTIFY_INTERFACE_UP 4 757163953Srrs#define SCTP_NOTIFY_DG_FAIL 5 758163953Srrs#define SCTP_NOTIFY_STRDATA_ERR 6 759163953Srrs#define SCTP_NOTIFY_ASSOC_ABORTED 7 760163953Srrs#define SCTP_NOTIFY_PEER_OPENED_STREAM 8 761163953Srrs#define SCTP_NOTIFY_STREAM_OPENED_OK 9 762163953Srrs#define SCTP_NOTIFY_ASSOC_RESTART 10 763163953Srrs#define SCTP_NOTIFY_HB_RESP 11 764163953Srrs#define SCTP_NOTIFY_ASCONF_SUCCESS 12 765163953Srrs#define SCTP_NOTIFY_ASCONF_FAILED 13 766163953Srrs#define SCTP_NOTIFY_PEER_SHUTDOWN 14 767163953Srrs#define SCTP_NOTIFY_ASCONF_ADD_IP 15 768163953Srrs#define SCTP_NOTIFY_ASCONF_DELETE_IP 16 769163953Srrs#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 770163953Srrs#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 771163953Srrs#define SCTP_NOTIFY_ADAPTATION_INDICATION 19 772163953Srrs/* same as above */ 773163953Srrs#define SCTP_NOTIFY_ADAPTION_INDICATION 19 774163953Srrs#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 775163953Srrs#define SCTP_NOTIFY_STR_RESET_RECV 21 776163953Srrs#define SCTP_NOTIFY_STR_RESET_SEND 22 777163953Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 778163953Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 779163953Srrs#define SCTP_NOTIFY_AUTH_NEW_KEY 25 780163953Srrs#define SCTP_NOTIFY_AUTH_KEY_CONFLICT 26 781163953Srrs#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 782163953Srrs#define SCTP_NOTIFY_MAX 27 783163953Srrs 784163953Srrs/* This is the value for messages that are NOT completely 785163953Srrs * copied down where we will start to split the message. 786163953Srrs * So, with our default, we split only if the piece we 787163953Srrs * want to take will fill up a full MTU (assuming 788163953Srrs * a 1500 byte MTU). 789163953Srrs */ 790163953Srrs#define SCTP_DEFAULT_SPLIT_POINT_MIN 1452 791163953Srrs 792165220Srrs/* ABORT CODES and other tell-tale location 793165220Srrs * codes are generated by adding the below 794165220Srrs * to the instance id. 795165220Srrs */ 796165220Srrs 797165220Srrs/* File defines */ 798165220Srrs#define SCTP_FROM_SCTP_INPUT 0x10000000 799165220Srrs#define SCTP_FROM_SCTP_PCB 0x20000000 800165220Srrs#define SCTP_FROM_SCTP_INDATA 0x30000000 801165220Srrs#define SCTP_FROM_SCTP_TIMER 0x40000000 802165220Srrs#define SCTP_FROM_SCTP_USRREQ 0x50000000 803165220Srrs#define SCTP_FROM_SCTPUTIL 0x60000000 804165220Srrs#define SCTP_FROM_SCTP6_USRREQ 0x70000000 805165220Srrs#define SCTP_FROM_SCTP_ASCONF 0x80000000 806165220Srrs#define SCTP_FROM_SCTP_OUTPUT 0x90000000 807165220Srrs#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 808165220Srrs 809165220Srrs/* Location ID's */ 810165220Srrs#define SCTP_LOC_1 0x00000001 811165220Srrs#define SCTP_LOC_2 0x00000002 812165220Srrs#define SCTP_LOC_3 0x00000003 813165220Srrs#define SCTP_LOC_4 0x00000004 814165220Srrs#define SCTP_LOC_5 0x00000005 815165220Srrs#define SCTP_LOC_6 0x00000006 816165220Srrs#define SCTP_LOC_7 0x00000007 817165220Srrs#define SCTP_LOC_8 0x00000008 818165220Srrs#define SCTP_LOC_9 0x00000009 819165220Srrs#define SCTP_LOC_10 0x0000000a 820165220Srrs#define SCTP_LOC_11 0x0000000b 821165220Srrs#define SCTP_LOC_12 0x0000000c 822165220Srrs#define SCTP_LOC_13 0x0000000d 823165220Srrs#define SCTP_LOC_14 0x0000000e 824165220Srrs#define SCTP_LOC_15 0x0000000f 825165220Srrs#define SCTP_LOC_16 0x00000010 826165220Srrs#define SCTP_LOC_17 0x00000011 827165220Srrs#define SCTP_LOC_18 0x00000012 828165220Srrs#define SCTP_LOC_19 0x00000013 829165220Srrs#define SCTP_LOC_20 0x00000014 830165220Srrs#define SCTP_LOC_21 0x00000015 831165220Srrs#define SCTP_LOC_22 0x00000016 832165220Srrs#define SCTP_LOC_23 0x00000017 833165220Srrs#define SCTP_LOC_24 0x00000018 834165220Srrs#define SCTP_LOC_25 0x00000019 835165220Srrs#define SCTP_LOC_26 0x0000001a 836165220Srrs#define SCTP_LOC_27 0x0000001b 837165220Srrs#define SCTP_LOC_28 0x0000001c 838165220Srrs#define SCTP_LOC_29 0x0000001d 839165220Srrs#define SCTP_LOC_30 0x0000001e 840165220Srrs#define SCTP_LOC_31 0x0000001f 841165220Srrs#define SCTP_LOC_32 0x00000020 842165220Srrs 843165220Srrs 844165220Srrs/* Free assoc codes */ 845165220Srrs#define SCTP_NORMAL_PROC 0 846165220Srrs#define SCTP_PCBFREE_NOFORCE 1 847165220Srrs#define SCTP_PCBFREE_FORCE 2 848165220Srrs 849165220Srrs/* From codes for adding addresses */ 850165220Srrs#define SCTP_ADDR_IS_CONFIRMED 8 851165220Srrs#define SCTP_ADDR_DYNAMIC_ADDED 6 852165220Srrs#define SCTP_IN_COOKIE_PROC 100 853165220Srrs#define SCTP_ALLOC_ASOC 1 854165220Srrs#define SCTP_LOAD_ADDR_2 2 855165220Srrs#define SCTP_LOAD_ADDR_3 3 856165220Srrs#define SCTP_LOAD_ADDR_4 4 857165220Srrs#define SCTP_LOAD_ADDR_5 5 858165220Srrs 859165220Srrs#define SCTP_DONOT_SETSCOPE 0 860165220Srrs#define SCTP_DO_SETSCOPE 1 861165220Srrs 862165220Srrs 863163953Srrs/* This value determines the default for when 864163953Srrs * we try to add more on the send queue., if 865163953Srrs * there is room. This prevents us from cycling 866163953Srrs * into the copy_resume routine to often if 867163953Srrs * we have not got enough space to add a decent 868163953Srrs * enough size message. Note that if we have enough 869163953Srrs * space to complete the message copy we will always 870163953Srrs * add to the message, no matter what the size. Its 871163953Srrs * only when we reach the point that we have some left 872163953Srrs * to add, there is only room for part of it that we 873163953Srrs * will use this threshold. Its also a sysctl. 874163953Srrs */ 875163953Srrs#define SCTP_DEFAULT_ADD_MORE 1452 876163953Srrs 877163953Srrs#ifndef SCTP_PCBHASHSIZE 878163953Srrs/* default number of association hash buckets in each endpoint */ 879163953Srrs#define SCTP_PCBHASHSIZE 256 880163953Srrs#endif 881163953Srrs#ifndef SCTP_TCBHASHSIZE 882163953Srrs#define SCTP_TCBHASHSIZE 1024 883163953Srrs#endif 884163953Srrs 885163953Srrs#ifndef SCTP_CHUNKQUEUE_SCALE 886163953Srrs#define SCTP_CHUNKQUEUE_SCALE 10 887163953Srrs#endif 888163953Srrs 889163953Srrs/* clock variance is 1 ms */ 890163953Srrs#define SCTP_CLOCK_GRANULARITY 1 891163953Srrs#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 892163953Srrs * detracts a small amount for ipv4 but it 893163953Srrs * simplifies the ipv6 addition */ 894163953Srrs 895163953Srrs#ifndef IPPROTO_SCTP 896163953Srrs#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 897163953Srrs#endif /* !IPPROTO_SCTP */ 898163953Srrs 899163953Srrs#define SCTP_MAX_DATA_BUNDLING 256 900163953Srrs#define SCTP_MAX_CONTROL_BUNDLING 20 901163953Srrs 902163953Srrs/* modular comparison */ 903163953Srrs/* True if a > b (mod = M) */ 904163953Srrs#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 905163953Srrs ((b > a) && ((b - a) > ((M >> 1) + 1)))) 906163953Srrs 907163953Srrs 908163953Srrs/* Mapping array manipulation routines */ 909163953Srrs#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 910163953Srrs#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 911163953Srrs#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 912163953Srrs 913163953Srrs 914163953Srrs/* 915163953Srrs * This value defines the number of vtag block time wait entry's per list 916163953Srrs * element. Each entry will take 2 4 byte ints (and of course the overhead 917163953Srrs * of the next pointer as well). Using 15 as an example will yield * ((8 * 918163953Srrs * 15) + 8) or 128 bytes of overhead for each timewait block that gets 919163953Srrs * initialized. Increasing it to 31 would yeild 256 bytes per block. 920163953Srrs */ 921163953Srrs#define SCTP_NUMBER_IN_VTAG_BLOCK 15 922163953Srrs/* 923163953Srrs * If we use the STACK option, we have an array of this size head pointers. 924163953Srrs * This array is mod'd the with the size to find which bucket and then all 925163953Srrs * entries must be searched to see if the tag is in timed wait. If so we 926163953Srrs * reject it. 927163953Srrs */ 928163953Srrs#define SCTP_STACK_VTAG_HASH_SIZE 31 929163953Srrs 930163953Srrs/* 931163953Srrs * If we use the per-endpoint model than we do not have a hash table of 932163953Srrs * entries but instead have a single head pointer and we must crawl through 933163953Srrs * the entire list. 934163953Srrs */ 935163953Srrs 936163953Srrs/* 937163953Srrs * Number of seconds of time wait, tied to MSL value (2 minutes), so 2 * MSL 938163953Srrs * = 4 minutes or 480 seconds. 939163953Srrs */ 940163953Srrs#define SCTP_TIME_WAIT 480 941163953Srrs 942166023Srrs/* This time wait is the same as the default cookie life 943166023Srrs * since we now enter a tag in every time we send a cookie. 944166023Srrs * We want this shorter to avoid vtag depletion. 945166023Srrs */ 946166023Srrs#define SCTP_TIME_WAIT_SHORT 60 947166023Srrs 948163953Srrs/* The system retains a cache of free chunks such to 949163953Srrs * cut down on calls the memory allocation system. There 950163953Srrs * is a per association limit of free items and a overall 951163953Srrs * system limit. If either one gets hit then the resource 952163953Srrs * stops being cached. 953163953Srrs */ 954163953Srrs 955163953Srrs#define SCTP_DEF_ASOC_RESC_LIMIT 10 956163953Srrs#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 957163953Srrs 958163953Srrs 959163953Srrs#define IN4_ISPRIVATE_ADDRESS(a) \ 960166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 961166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 962166675Srrs (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 963166675Srrs (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 964166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 965166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 168))) 966163953Srrs 967163953Srrs#define IN4_ISLOOPBACK_ADDRESS(a) \ 968166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 969166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 970166675Srrs (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 971166675Srrs (((uint8_t *)&(a)->s_addr)[3] == 1)) 972163953Srrs 973163953Srrs 974163953Srrs#if defined(_KERNEL) 975163953Srrs 976163953Srrs#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 977163953Srrs#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 978163953Srrs/*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 979163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 980163953Srrs/* (x)->tv_sec = ticks / 1000; \*/ 981163953Srrs/* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 982163953Srrs/*}*/ 983163953Srrs 984163953Srrs/*#else*/ 985163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 986163953Srrs/*#endif __FreeBSD__ */ 987163953Srrs 988163953Srrs#define sctp_sowwakeup(inp, so) \ 989163953Srrsdo { \ 990163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 991163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 992163953Srrs } else { \ 993163953Srrs sowwakeup(so); \ 994163953Srrs } \ 995163953Srrs} while (0) 996163953Srrs 997163953Srrs#define sctp_sowwakeup_locked(inp, so) \ 998163953Srrsdo { \ 999163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1000163953Srrs SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1001163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1002163953Srrs } else { \ 1003163953Srrs sowwakeup_locked(so); \ 1004163953Srrs } \ 1005163953Srrs} while (0) 1006163953Srrs 1007163953Srrs#define sctp_sorwakeup(inp, so) \ 1008163953Srrsdo { \ 1009163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1010163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1011163953Srrs } else { \ 1012163953Srrs sorwakeup(so); \ 1013163953Srrs } \ 1014163953Srrs} while (0) 1015163953Srrs 1016163953Srrs#define sctp_sorwakeup_locked(inp, so) \ 1017163953Srrsdo { \ 1018163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1019163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1020163953Srrs SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1021163953Srrs } else { \ 1022163953Srrs sorwakeup_locked(so); \ 1023163953Srrs } \ 1024163953Srrs} while (0) 1025163953Srrs 1026163953Srrs#endif /* _KERNEL */ 1027163953Srrs#endif 1028