sctp_constants.h revision 218232
1163953Srrs/*- 2185694Srrs * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3218232Srrs * Copyright (c) 2008-2011, by Randall Stewart, rrs@lakerest.net and 4218232Srrs * Michael Tuexen, tuexen@fh-muenster.de 5218232Srrs * All rights reserved. 6163953Srrs * 7163953Srrs * Redistribution and use in source and binary forms, with or without 8163953Srrs * modification, are permitted provided that the following conditions are met: 9163953Srrs * 10163953Srrs * a) Redistributions of source code must retain the above copyright notice, 11163953Srrs * this list of conditions and the following disclaimer. 12163953Srrs * 13163953Srrs * b) Redistributions in binary form must reproduce the above copyright 14163953Srrs * notice, this list of conditions and the following disclaimer in 15163953Srrs * the documentation and/or other materials provided with the distribution. 16163953Srrs * 17163953Srrs * c) Neither the name of Cisco Systems, Inc. nor the names of its 18163953Srrs * contributors may be used to endorse or promote products derived 19163953Srrs * from this software without specific prior written permission. 20163953Srrs * 21163953Srrs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22163953Srrs * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23163953Srrs * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24163953Srrs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 25163953Srrs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26163953Srrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27163953Srrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28163953Srrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29163953Srrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30163953Srrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31163953Srrs * THE POSSIBILITY OF SUCH DAMAGE. 32163953Srrs */ 33163953Srrs 34163953Srrs/* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */ 35163953Srrs 36163953Srrs#include <sys/cdefs.h> 37163953Srrs__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 218232 2011-02-03 19:22:21Z rrs $"); 38163953Srrs 39163953Srrs#ifndef __sctp_constants_h__ 40163953Srrs#define __sctp_constants_h__ 41163953Srrs 42179157Srrs/* IANA assigned port number for SCTP over UDP encapsulation */ 43188067Srrs/* For freebsd we cannot bind the port at 44188067Srrs * startup. Otherwise what will happen is 45188067Srrs * we really won't be bound. The user must 46188067Srrs * put it into the sysctl... or we need 47188067Srrs * to build a special timer for this to allow 48188067Srrs * us to wait 1 second or so after the system 49188067Srrs * comes up. 50188067Srrs */ 51188067Srrs#define SCTP_OVER_UDP_TUNNELING_PORT 0 52167598Srrs/* Number of packets to get before sack sent by default */ 53167598Srrs#define SCTP_DEFAULT_SACK_FREQ 2 54163953Srrs 55167598Srrs/* Address limit - This variable is calculated 56168299Srrs * based on an 65535 byte max ip packet. We take out 100 bytes 57167598Srrs * for the cookie, 40 bytes for a v6 header and 32 58167598Srrs * bytes for the init structure. A second init structure 59167598Srrs * for the init-ack and then finally a third one for the 60167598Srrs * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 61168299Srrs * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 62168299Srrs * Now whatever we send in the INIT() we need to allow to get back in the 63167598Srrs * INIT-ACK plus all the values from INIT and INIT-ACK 64167598Srrs * listed in the cookie. Plus we need some overhead for 65167598Srrs * maybe copied parameters in the COOKIE. If we 66168299Srrs * allow 1080 addresses, and each side has 1080 V6 addresses 67168299Srrs * that will be 21600 bytes. In the INIT-ACK we will 68168299Srrs * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 69168299Srrs * about 500 bytes slack for misc things in the cookie. 70167598Srrs */ 71168299Srrs#define SCTP_ADDRESS_LIMIT 1080 72167598Srrs 73171990Srrs/* We need at least 2k of space for us, inits 74171990Srrs * larger than that lets abort. 75171990Srrs */ 76171990Srrs#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 77171990Srrs 78167598Srrs/* Number of addresses where we just skip the counting */ 79167598Srrs#define SCTP_COUNT_LIMIT 40 80167598Srrs 81170056Srrs#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 82170181Srrs#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 83170056Srrs 84167598Srrs/* Number of ticks to delay before running 85167598Srrs * iterator on an address change. 86167598Srrs */ 87167598Srrs#define SCTP_ADDRESS_TICK_DELAY 2 88167598Srrs 89163953Srrs#define SCTP_VERSION_STRING "KAME-BSD 1.1" 90163953Srrs/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 91163953Srrs#define SCTP_AUDIT_SIZE 256 92163953Srrs 93167598Srrs 94167598Srrs#define SCTP_KTRHEAD_NAME "sctp_iterator" 95199866Stuexen#define SCTP_KTHREAD_PAGES 0 96167598Srrs 97218211Srrs#define SCTP_MCORE_NAME "sctp_core_worker" 98167598Srrs 99218211Srrs 100167598Srrs/* If you support Multi-VRF how big to 101167598Srrs * make the initial array of VRF's to. 102167598Srrs */ 103167598Srrs#define SCTP_DEFAULT_VRF_SIZE 4 104167598Srrs 105171477Srrs/* constants for rto calc */ 106171477Srrs#define sctp_align_safe_nocopy 0 107171477Srrs#define sctp_align_unsafe_makecopy 1 108171477Srrs 109171440Srrs/* JRS - Values defined for the HTCP algorithm */ 110171440Srrs#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 111171440Srrs#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 112171440Srrs#define BETA_MAX 102 /* 0.8 with shift << 7 */ 113171440Srrs 114163953Srrs/* Places that CWND log can happen from */ 115163953Srrs#define SCTP_CWND_LOG_FROM_FR 1 116163953Srrs#define SCTP_CWND_LOG_FROM_RTX 2 117163953Srrs#define SCTP_CWND_LOG_FROM_BRST 3 118163953Srrs#define SCTP_CWND_LOG_FROM_SS 4 119163953Srrs#define SCTP_CWND_LOG_FROM_CA 5 120163953Srrs#define SCTP_CWND_LOG_FROM_SAT 6 121163953Srrs#define SCTP_BLOCK_LOG_INTO_BLK 7 122163953Srrs#define SCTP_BLOCK_LOG_OUTOF_BLK 8 123163953Srrs#define SCTP_BLOCK_LOG_CHECK 9 124163953Srrs#define SCTP_STR_LOG_FROM_INTO_STRD 10 125163953Srrs#define SCTP_STR_LOG_FROM_IMMED_DEL 11 126163953Srrs#define SCTP_STR_LOG_FROM_INSERT_HD 12 127163953Srrs#define SCTP_STR_LOG_FROM_INSERT_MD 13 128163953Srrs#define SCTP_STR_LOG_FROM_INSERT_TL 14 129163953Srrs#define SCTP_STR_LOG_FROM_MARK_TSN 15 130163953Srrs#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 131163953Srrs#define SCTP_FR_LOG_BIGGEST_TSNS 17 132163953Srrs#define SCTP_FR_LOG_STRIKE_TEST 18 133163953Srrs#define SCTP_FR_LOG_STRIKE_CHUNK 19 134163953Srrs#define SCTP_FR_T3_TIMEOUT 20 135163953Srrs#define SCTP_MAP_PREPARE_SLIDE 21 136163953Srrs#define SCTP_MAP_SLIDE_FROM 22 137163953Srrs#define SCTP_MAP_SLIDE_RESULT 23 138163953Srrs#define SCTP_MAP_SLIDE_CLEARED 24 139163953Srrs#define SCTP_MAP_SLIDE_NONE 25 140163953Srrs#define SCTP_FR_T3_MARK_TIME 26 141163953Srrs#define SCTP_FR_T3_MARKED 27 142163953Srrs#define SCTP_FR_T3_STOPPED 28 143163953Srrs#define SCTP_FR_MARKED 30 144163953Srrs#define SCTP_CWND_LOG_NOADV_SS 31 145163953Srrs#define SCTP_CWND_LOG_NOADV_CA 32 146163953Srrs#define SCTP_MAX_BURST_APPLIED 33 147163953Srrs#define SCTP_MAX_IFP_APPLIED 34 148163953Srrs#define SCTP_MAX_BURST_ERROR_STOP 35 149163953Srrs#define SCTP_INCREASE_PEER_RWND 36 150163953Srrs#define SCTP_DECREASE_PEER_RWND 37 151163953Srrs#define SCTP_SET_PEER_RWND_VIA_SACK 38 152163953Srrs#define SCTP_LOG_MBCNT_INCREASE 39 153163953Srrs#define SCTP_LOG_MBCNT_DECREASE 40 154163953Srrs#define SCTP_LOG_MBCNT_CHKSET 41 155163953Srrs#define SCTP_LOG_NEW_SACK 42 156163953Srrs#define SCTP_LOG_TSN_ACKED 43 157163953Srrs#define SCTP_LOG_TSN_REVOKED 44 158163953Srrs#define SCTP_LOG_LOCK_TCB 45 159163953Srrs#define SCTP_LOG_LOCK_INP 46 160163953Srrs#define SCTP_LOG_LOCK_SOCK 47 161163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_R 48 162163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_S 49 163163953Srrs#define SCTP_LOG_LOCK_CREATE 50 164163953Srrs#define SCTP_LOG_INITIAL_RTT 51 165163953Srrs#define SCTP_LOG_RTTVAR 52 166163953Srrs#define SCTP_LOG_SBALLOC 53 167163953Srrs#define SCTP_LOG_SBFREE 54 168163953Srrs#define SCTP_LOG_SBRESULT 55 169163953Srrs#define SCTP_FR_DUPED 56 170163953Srrs#define SCTP_FR_MARKED_EARLY 57 171163953Srrs#define SCTP_FR_CWND_REPORT 58 172163953Srrs#define SCTP_FR_CWND_REPORT_START 59 173163953Srrs#define SCTP_FR_CWND_REPORT_STOP 60 174163953Srrs#define SCTP_CWND_LOG_FROM_SEND 61 175163953Srrs#define SCTP_CWND_INITIALIZATION 62 176163953Srrs#define SCTP_CWND_LOG_FROM_T3 63 177163953Srrs#define SCTP_CWND_LOG_FROM_SACK 64 178163953Srrs#define SCTP_CWND_LOG_NO_CUMACK 65 179163953Srrs#define SCTP_CWND_LOG_FROM_RESEND 66 180163953Srrs#define SCTP_FR_LOG_CHECK_STRIKE 67 181163953Srrs#define SCTP_SEND_NOW_COMPLETES 68 182163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 183163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 184163953Srrs#define SCTP_LOG_FREE_SENT 71 185163953Srrs#define SCTP_NAGLE_APPLIED 72 186163953Srrs#define SCTP_NAGLE_SKIPPED 73 187163953Srrs#define SCTP_WAKESND_FROM_SACK 74 188163953Srrs#define SCTP_WAKESND_FROM_FWDTSN 75 189163953Srrs#define SCTP_NOWAKE_FROM_SACK 76 190163953Srrs#define SCTP_CWNDLOG_PRESEND 77 191163953Srrs#define SCTP_CWNDLOG_ENDSEND 78 192163953Srrs#define SCTP_AT_END_OF_SACK 79 193163953Srrs#define SCTP_REASON_FOR_SC 80 194163953Srrs#define SCTP_BLOCK_LOG_INTO_BLKA 81 195163953Srrs#define SCTP_ENTER_USER_RECV 82 196163953Srrs#define SCTP_USER_RECV_SACKS 83 197163953Srrs#define SCTP_SORECV_BLOCKSA 84 198163953Srrs#define SCTP_SORECV_BLOCKSB 85 199163953Srrs#define SCTP_SORECV_DONE 86 200163953Srrs#define SCTP_SACK_RWND_UPDATE 87 201163953Srrs#define SCTP_SORECV_ENTER 88 202163953Srrs#define SCTP_SORECV_ENTERPL 89 203163953Srrs#define SCTP_MBUF_INPUT 90 204163953Srrs#define SCTP_MBUF_IALLOC 91 205163953Srrs#define SCTP_MBUF_IFREE 92 206163953Srrs#define SCTP_MBUF_ICOPY 93 207178197Srrs#define SCTP_MBUF_SPLIT 94 208178197Srrs#define SCTP_SORCV_FREECTL 95 209178197Srrs#define SCTP_SORCV_DOESCPY 96 210178197Srrs#define SCTP_SORCV_DOESLCK 97 211178197Srrs#define SCTP_SORCV_DOESADJ 98 212178197Srrs#define SCTP_SORCV_BOTWHILE 99 213178197Srrs#define SCTP_SORCV_PASSBF 100 214178197Srrs#define SCTP_SORCV_ADJD 101 215178197Srrs#define SCTP_UNKNOWN_MAX 102 216178197Srrs#define SCTP_RANDY_STUFF 103 217178197Srrs#define SCTP_RANDY_STUFF1 104 218178197Srrs#define SCTP_STRMOUT_LOG_ASSIGN 105 219178197Srrs#define SCTP_STRMOUT_LOG_SEND 106 220178197Srrs#define SCTP_FLIGHT_LOG_DOWN_CA 107 221178197Srrs#define SCTP_FLIGHT_LOG_UP 108 222178197Srrs#define SCTP_FLIGHT_LOG_DOWN_GAP 109 223178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND 110 224178197Srrs#define SCTP_FLIGHT_LOG_UP_RSND 111 225178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 226178197Srrs#define SCTP_FLIGHT_LOG_DOWN_WP 113 227178197Srrs#define SCTP_FLIGHT_LOG_UP_REVOKE 114 228178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 229178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 230178197Srrs#define SCTP_SACK_LOG_NORMAL 117 231178197Srrs#define SCTP_SACK_LOG_EXPRESS 118 232178197Srrs#define SCTP_MAP_TSN_ENTERS 119 233178197Srrs#define SCTP_THRESHOLD_CLEAR 120 234178197Srrs#define SCTP_THRESHOLD_INCR 121 235189371Srrs#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122 236189790Srrs#define SCTP_FWD_TSN_CHECK 123 237189790Srrs#define SCTP_LOG_MAX_TYPES 124 238163953Srrs/* 239170744Srrs * To turn on various logging, you must first enable 'options KTR' and 240170744Srrs * you might want to bump the entires 'options KTR_ENTRIES=80000'. 241170744Srrs * To get something to log you define one of the logging defines. 242170744Srrs * (see LINT). 243163953Srrs * 244170744Srrs * This gets the compile in place, but you still need to turn the 245170744Srrs * logging flag on too in the sysctl (see in sctp.h). 246163953Srrs */ 247171943Srrs 248163953Srrs#define SCTP_LOG_EVENT_UNKNOWN 0 249163953Srrs#define SCTP_LOG_EVENT_CWND 1 250163953Srrs#define SCTP_LOG_EVENT_BLOCK 2 251163953Srrs#define SCTP_LOG_EVENT_STRM 3 252163953Srrs#define SCTP_LOG_EVENT_FR 4 253163953Srrs#define SCTP_LOG_EVENT_MAP 5 254163953Srrs#define SCTP_LOG_EVENT_MAXBURST 6 255163953Srrs#define SCTP_LOG_EVENT_RWND 7 256163953Srrs#define SCTP_LOG_EVENT_MBCNT 8 257163953Srrs#define SCTP_LOG_EVENT_SACK 9 258163953Srrs#define SCTP_LOG_LOCK_EVENT 10 259163953Srrs#define SCTP_LOG_EVENT_RTT 11 260163953Srrs#define SCTP_LOG_EVENT_SB 12 261163953Srrs#define SCTP_LOG_EVENT_NAGLE 13 262163953Srrs#define SCTP_LOG_EVENT_WAKE 14 263163953Srrs#define SCTP_LOG_MISC_EVENT 15 264163953Srrs#define SCTP_LOG_EVENT_CLOSE 16 265163953Srrs#define SCTP_LOG_EVENT_MBUF 17 266170744Srrs#define SCTP_LOG_CHUNK_PROC 18 267170744Srrs#define SCTP_LOG_ERROR_RET 19 268163953Srrs 269170744Srrs#define SCTP_LOG_MAX_EVENT 20 270163953Srrs 271163953Srrs#define SCTP_LOCK_UNKNOWN 2 272163953Srrs 273163953Srrs 274163953Srrs/* number of associations by default for zone allocation */ 275163953Srrs#define SCTP_MAX_NUM_OF_ASOC 40000 276163953Srrs/* how many addresses per assoc remote and local */ 277163953Srrs#define SCTP_SCALE_FOR_ADDR 2 278163953Srrs 279163953Srrs/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 280167598Srrs#define SCTP_DEFAULT_AUTO_ASCONF 1 281163953Srrs 282179157Srrs/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 283179157Srrs#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 284179157Srrs 285171990Srrs/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */ 286171990Srrs#define SCTP_DEFAULT_MOBILITY_BASE 0 287171990Srrs 288171990Srrs/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */ 289171990Srrs#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0 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/* 314163953Srrs * default HMAC for cookies, etc... use one of the AUTH HMAC id's 315163953Srrs * SCTP_HMAC is the HMAC_ID to use 316163953Srrs * SCTP_SIGNATURE_SIZE is the digest length 317163953Srrs */ 318163953Srrs#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 319163953Srrs#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 320163953Srrs#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 321163953Srrs 322163953Srrs/* 323163953Srrs * the SCTP protocol signature this includes the version number encoded in 324163953Srrs * the last 4 bits of the signature. 325163953Srrs */ 326163953Srrs#define PROTO_SIGNATURE_A 0x30000000 327163953Srrs#define SCTP_VERSION_NUMBER 0x3 328163953Srrs 329163953Srrs#define MAX_TSN 0xffffffff 330163953Srrs 331163953Srrs/* how many executions every N tick's */ 332163953Srrs#define SCTP_ITERATOR_MAX_AT_ONCE 20 333163953Srrs 334163953Srrs/* number of clock ticks between iterator executions */ 335163953Srrs#define SCTP_ITERATOR_TICKS 1 336163953Srrs 337163953Srrs/* 338163953Srrs * option: If you comment out the following you will receive the old behavior 339163953Srrs * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 340163953Srrs * happens right away with-out waiting for the flightsize to drop below the 341163953Srrs * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 342163953Srrs */ 343163953Srrs#define SCTP_IGNORE_CWND_ON_FR 1 344163953Srrs 345163953Srrs/* 346163953Srrs * Adds implementors guide behavior to only use newest highest update in SACK 347163953Srrs * gap ack's to figure out if you need to stroke a chunk for FR. 348163953Srrs */ 349163953Srrs#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 350163953Srrs 351217913Stuexen/* default max I can burst out after a fast retransmit, 0 disables it */ 352217913Stuexen#define SCTP_DEF_MAX_BURST 0 353218186Srrs#define SCTP_DEF_HBMAX_BURST 4 354218186Srrs#define SCTP_DEF_FRMAX_BURST 4 355218186Srrs 356218186Srrs/* RTO calculation flag to say if it 357218186Srrs * is safe to determine local lan or not. 358218186Srrs */ 359218186Srrs#define SCTP_DETERMINE_LL_NOTOK 0 360218186Srrs#define SCTP_DETERMINE_LL_OK 1 361218186Srrs 362218186Srrs 363163953Srrs/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 364163953Srrs#define SCTP_FIRST_MBUF_RESV 68 365163953Srrs/* Packet transmit states in the sent field */ 366163953Srrs#define SCTP_DATAGRAM_UNSENT 0 367163953Srrs#define SCTP_DATAGRAM_SENT 1 368163953Srrs#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 369163953Srrs * hit this value) */ 370163953Srrs#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 371163953Srrs * hit this value) */ 372163953Srrs#define SCTP_DATAGRAM_RESEND 4 373163953Srrs#define SCTP_DATAGRAM_ACKED 10010 374163953Srrs#define SCTP_DATAGRAM_MARKED 20010 375163953Srrs#define SCTP_FORWARD_TSN_SKIP 30010 376163953Srrs 377163953Srrs/* chunk output send from locations */ 378163953Srrs#define SCTP_OUTPUT_FROM_USR_SEND 0 379163953Srrs#define SCTP_OUTPUT_FROM_T3 1 380163953Srrs#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 381163953Srrs#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 382163953Srrs#define SCTP_OUTPUT_FROM_SACK_TMR 4 383163953Srrs#define SCTP_OUTPUT_FROM_SHUT_TMR 5 384163953Srrs#define SCTP_OUTPUT_FROM_HB_TMR 6 385163953Srrs#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 386163953Srrs#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 387163953Srrs#define SCTP_OUTPUT_FROM_STRRST_TMR 9 388163953Srrs#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 389163953Srrs#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 390163953Srrs#define SCTP_OUTPUT_FROM_STRRST_REQ 12 391163953Srrs#define SCTP_OUTPUT_FROM_USR_RCVD 13 392164205Srrs#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 393167598Srrs#define SCTP_OUTPUT_FROM_DRAIN 15 394171990Srrs#define SCTP_OUTPUT_FROM_CLOSING 16 395163953Srrs/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 396163953Srrs 397163953Srrs/* align to 32-bit sizes */ 398163953Srrs#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 399163953Srrs 400163953Srrs#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 401163953Srrs#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 402163953Srrs 403163953Srrs 404163953Srrs/* SCTP parameter types */ 405163953Srrs/*************0x0000 series*************/ 406163953Srrs#define SCTP_HEARTBEAT_INFO 0x0001 407163953Srrs#define SCTP_IPV4_ADDRESS 0x0005 408163953Srrs#define SCTP_IPV6_ADDRESS 0x0006 409163953Srrs#define SCTP_STATE_COOKIE 0x0007 410163953Srrs#define SCTP_UNRECOG_PARAM 0x0008 411163953Srrs#define SCTP_COOKIE_PRESERVE 0x0009 412163953Srrs#define SCTP_HOSTNAME_ADDRESS 0x000b 413163953Srrs#define SCTP_SUPPORTED_ADDRTYPE 0x000c 414163953Srrs 415188854Srrs/* draft-ietf-stewart-tsvwg-strreset-xxx */ 416163953Srrs#define SCTP_STR_RESET_OUT_REQUEST 0x000d 417163953Srrs#define SCTP_STR_RESET_IN_REQUEST 0x000e 418163953Srrs#define SCTP_STR_RESET_TSN_REQUEST 0x000f 419163953Srrs#define SCTP_STR_RESET_RESPONSE 0x0010 420188854Srrs#define SCTP_STR_RESET_ADD_STREAMS 0x0011 421163953Srrs 422163953Srrs#define SCTP_MAX_RESET_PARAMS 2 423163953Srrs#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 424163953Srrs 425163953Srrs/*************0x4000 series*************/ 426163953Srrs 427163953Srrs/*************0x8000 series*************/ 428163953Srrs#define SCTP_ECN_CAPABLE 0x8000 429218129Srrs 430163953Srrs/* draft-ietf-tsvwg-auth-xxx */ 431163953Srrs#define SCTP_RANDOM 0x8002 432163953Srrs#define SCTP_CHUNK_LIST 0x8003 433163953Srrs#define SCTP_HMAC_LIST 0x8004 434163953Srrs/* 435163953Srrs * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 436163953Srrs * | Byte Byte | Byte ... 437163953Srrs * 438163953Srrs * Where each byte is a chunk type extension supported. For example, to support 439163953Srrs * all chunks one would have (in hex): 440163953Srrs * 441163953Srrs * 80 01 00 09 C0 C1 80 81 82 00 00 00 442163953Srrs * 443163953Srrs * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 444163953Srrs * = Packet Drop 82 = Stream Reset 83 = Authentication 445163953Srrs */ 446163953Srrs#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 447163953Srrs 448163953Srrs/*************0xC000 series*************/ 449163953Srrs#define SCTP_PRSCTP_SUPPORTED 0xc000 450163953Srrs/* draft-ietf-tsvwg-addip-sctp */ 451163953Srrs#define SCTP_ADD_IP_ADDRESS 0xc001 452163953Srrs#define SCTP_DEL_IP_ADDRESS 0xc002 453163953Srrs#define SCTP_ERROR_CAUSE_IND 0xc003 454163953Srrs#define SCTP_SET_PRIM_ADDR 0xc004 455163953Srrs#define SCTP_SUCCESS_REPORT 0xc005 456163953Srrs#define SCTP_ULP_ADAPTATION 0xc006 457185694Srrs/* behave-nat-draft */ 458185694Srrs#define SCTP_HAS_NAT_SUPPORT 0xc007 459185694Srrs#define SCTP_NAT_VTAGS 0xc008 460163953Srrs 461163953Srrs/* Notification error codes */ 462163953Srrs#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 463163953Srrs#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 464163953Srrs#define SCTP_FAILED_THRESHOLD 0x0004 465163953Srrs#define SCTP_HEARTBEAT_SUCCESS 0x0008 466172091Srrs#define SCTP_RESPONSE_TO_USER_REQ 0x0010 467172091Srrs#define SCTP_INTERNAL_ERROR 0x0020 468172091Srrs#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040 469172091Srrs#define SCTP_RECEIVED_SACK 0x0080 470172091Srrs#define SCTP_PEER_FAULTY 0x0100 471172091Srrs#define SCTP_ICMP_REFUSED 0x0200 472163953Srrs 473163953Srrs/* bits for TOS field */ 474163953Srrs#define SCTP_ECT0_BIT 0x02 475163953Srrs#define SCTP_ECT1_BIT 0x01 476163953Srrs#define SCTP_CE_BITS 0x03 477163953Srrs 478163953Srrs/* below turns off above */ 479163953Srrs#define SCTP_FLEXIBLE_ADDRESS 0x20 480163953Srrs#define SCTP_NO_HEARTBEAT 0x40 481163953Srrs 482163953Srrs/* mask to get sticky */ 483163953Srrs#define SCTP_STICKY_OPTIONS_MASK 0x0c 484163953Srrs 485163953Srrs 486163953Srrs/* 487163953Srrs * SCTP states for internal state machine XXX (should match "user" values) 488163953Srrs */ 489163953Srrs#define SCTP_STATE_EMPTY 0x0000 490163953Srrs#define SCTP_STATE_INUSE 0x0001 491163953Srrs#define SCTP_STATE_COOKIE_WAIT 0x0002 492163953Srrs#define SCTP_STATE_COOKIE_ECHOED 0x0004 493163953Srrs#define SCTP_STATE_OPEN 0x0008 494163953Srrs#define SCTP_STATE_SHUTDOWN_SENT 0x0010 495163953Srrs#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 496163953Srrs#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 497163953Srrs#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 498163953Srrs#define SCTP_STATE_CLOSED_SOCKET 0x0100 499163953Srrs#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 500163953Srrs#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 501171745Srrs#define SCTP_STATE_WAS_ABORTED 0x0800 502207924Srrs#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000 503163953Srrs#define SCTP_STATE_MASK 0x007f 504163953Srrs 505163953Srrs#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 506171943Srrs#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate) 507172703Srrs#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate) 508172703Srrs#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate) 509163953Srrs 510163953Srrs/* SCTP reachability state for each address */ 511163953Srrs#define SCTP_ADDR_REACHABLE 0x001 512163953Srrs#define SCTP_ADDR_NOT_REACHABLE 0x002 513163953Srrs#define SCTP_ADDR_NOHB 0x004 514163953Srrs#define SCTP_ADDR_BEING_DELETED 0x008 515163953Srrs#define SCTP_ADDR_NOT_IN_ASSOC 0x010 516163953Srrs#define SCTP_ADDR_WAS_PRIMARY 0x020 517163953Srrs#define SCTP_ADDR_SWITCH_PRIMARY 0x040 518163953Srrs#define SCTP_ADDR_OUT_OF_SCOPE 0x080 519163953Srrs#define SCTP_ADDR_DOUBLE_SWITCH 0x100 520163953Srrs#define SCTP_ADDR_UNCONFIRMED 0x200 521167598Srrs#define SCTP_ADDR_REQ_PRIMARY 0x400 522171440Srrs/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 523217635Srrs#define SCTP_ADDR_PF 0x800 524163953Srrs 525163953Srrs/* bound address types (e.g. valid address types to allow) */ 526163953Srrs#define SCTP_BOUND_V6 0x01 527163953Srrs#define SCTP_BOUND_V4 0x02 528163953Srrs 529163953Srrs/* 530163953Srrs * what is the default number of mbufs in a chain I allow before switching to 531163953Srrs * a cluster 532163953Srrs */ 533163953Srrs#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 534163953Srrs 535169655Srrs/* How long a cookie lives in milli-seconds */ 536169655Srrs#define SCTP_DEFAULT_COOKIE_LIFE 60000 537163953Srrs 538163953Srrs/* resource limit of streams */ 539163953Srrs#define MAX_SCTP_STREAMS 2048 540163953Srrs 541163953Srrs/* Maximum the mapping array will grow to (TSN mapping array) */ 542163953Srrs#define SCTP_MAPPING_ARRAY 512 543163953Srrs 544163953Srrs/* size of the inital malloc on the mapping array */ 545163953Srrs#define SCTP_INITIAL_MAPPING_ARRAY 16 546163953Srrs/* how much we grow the mapping array each call */ 547163953Srrs#define SCTP_MAPPING_ARRAY_INCR 32 548206137Stuexen 549163953Srrs/* 550163953Srrs * Here we define the timer types used by the implementation as arguments in 551163953Srrs * the set/get timer type calls. 552163953Srrs */ 553163953Srrs#define SCTP_TIMER_INIT 0 554163953Srrs#define SCTP_TIMER_RECV 1 555163953Srrs#define SCTP_TIMER_SEND 2 556163953Srrs#define SCTP_TIMER_HEARTBEAT 3 557163953Srrs#define SCTP_TIMER_PMTU 4 558163953Srrs#define SCTP_TIMER_MAXSHUTDOWN 5 559163953Srrs#define SCTP_TIMER_SIGNATURE 6 560163953Srrs/* 561163953Srrs * number of timer types in the base SCTP structure used in the set/get and 562163953Srrs * has the base default. 563163953Srrs */ 564163953Srrs#define SCTP_NUM_TMRS 7 565163953Srrs 566163953Srrs/* timer types */ 567163953Srrs#define SCTP_TIMER_TYPE_NONE 0 568163953Srrs#define SCTP_TIMER_TYPE_SEND 1 569163953Srrs#define SCTP_TIMER_TYPE_INIT 2 570163953Srrs#define SCTP_TIMER_TYPE_RECV 3 571163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWN 4 572163953Srrs#define SCTP_TIMER_TYPE_HEARTBEAT 5 573163953Srrs#define SCTP_TIMER_TYPE_COOKIE 6 574163953Srrs#define SCTP_TIMER_TYPE_NEWCOOKIE 7 575163953Srrs#define SCTP_TIMER_TYPE_PATHMTURAISE 8 576163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 577163953Srrs#define SCTP_TIMER_TYPE_ASCONF 10 578163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 579163953Srrs#define SCTP_TIMER_TYPE_AUTOCLOSE 12 580163953Srrs#define SCTP_TIMER_TYPE_EVENTWAKE 13 581163953Srrs#define SCTP_TIMER_TYPE_STRRESET 14 582163953Srrs#define SCTP_TIMER_TYPE_INPKILL 15 583163953Srrs#define SCTP_TIMER_TYPE_EARLYFR 17 584163953Srrs#define SCTP_TIMER_TYPE_ASOCKILL 18 585163953Srrs#define SCTP_TIMER_TYPE_ADDR_WQ 19 586170056Srrs#define SCTP_TIMER_TYPE_ZERO_COPY 20 587170181Srrs#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21 588172091Srrs#define SCTP_TIMER_TYPE_PRIM_DELETED 22 589163953Srrs/* add new timers here - and increment LAST */ 590172091Srrs#define SCTP_TIMER_TYPE_LAST 23 591163953Srrs 592163953Srrs#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 593163953Srrs ((t) < SCTP_TIMER_TYPE_LAST)) 594163953Srrs 595163953Srrs 596163953Srrs 597163953Srrs/* max number of TSN's dup'd that I will hold */ 598163953Srrs#define SCTP_MAX_DUP_TSNS 20 599163953Srrs 600163953Srrs/* 601163953Srrs * Here we define the types used when setting the retry amounts. 602163953Srrs */ 603163953Srrs/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 604163953Srrs#define SCTP_RETRY_DROPPED_THRESH 4 605163953Srrs 606163953Srrs/* 607163953Srrs * Maxmium number of chunks a single association can have on it. Note that 608163953Srrs * this is a squishy number since the count can run over this if the user 609163953Srrs * sends a large message down .. the fragmented chunks don't count until 610163953Srrs * AFTER the message is on queue.. it would be the next send that blocks 611163953Srrs * things. This number will get tuned up at boot in the sctp_init and use the 612163953Srrs * number of clusters as a base. This way high bandwidth environments will 613163953Srrs * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 614163953Srrs */ 615163953Srrs#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 616163953Srrs 617172091Srrs 618167598Srrs/* The conversion from time to ticks and vice versa is done by rounding 619167598Srrs * upwards. This way we can test in the code the time to be positive and 620167598Srrs * know that this corresponds to a positive number of ticks. 621167598Srrs */ 622167598Srrs#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 623167598Srrs#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 624163953Srrs 625163953Srrs#define SEC_TO_TICKS(x) ((x) * hz) 626167598Srrs#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 627163953Srrs 628163953Srrs/* 629163953Srrs * Basically the minimum amount of time before I do a early FR. Making this 630163953Srrs * value to low will cause duplicate retransmissions. 631163953Srrs */ 632163953Srrs#define SCTP_MINFR_MSEC_TIMER 250 633163953Srrs/* The floor this value is allowed to fall to when starting a timer. */ 634163953Srrs#define SCTP_MINFR_MSEC_FLOOR 20 635163953Srrs 636163953Srrs/* init timer def = 1 sec */ 637163953Srrs#define SCTP_INIT_SEC 1 638163953Srrs 639163953Srrs/* send timer def = 1 seconds */ 640163953Srrs#define SCTP_SEND_SEC 1 641163953Srrs 642163953Srrs/* recv timer def = 200ms */ 643163953Srrs#define SCTP_RECV_MSEC 200 644163953Srrs 645163953Srrs/* 30 seconds + RTO (in ms) */ 646163953Srrs#define SCTP_HB_DEFAULT_MSEC 30000 647163953Srrs 648163953Srrs/* Max time I will wait for Shutdown to complete */ 649163953Srrs#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 650163953Srrs 651163953Srrs 652163953Srrs/* 653163953Srrs * This is how long a secret lives, NOT how long a cookie lives how many 654163953Srrs * ticks the current secret will live. 655163953Srrs */ 656163953Srrs#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 657163953Srrs 658163953Srrs#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 659217913Stuexen#define SCTP_RTO_LOWER_BOUND (300) /* 0.3 sec is ms */ 660163953Srrs#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 661163953Srrs 662163953Srrs 663163953Srrs#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 664163953Srrs#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 665163953Srrs 666163953Srrs#define SCTP_DEF_MAX_INIT 8 667163953Srrs#define SCTP_DEF_MAX_SEND 10 668170056Srrs#define SCTP_DEF_MAX_PATH_RTX 5 669163953Srrs 670163953Srrs#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 671163953Srrs 672170056Srrs 673163953Srrs/* How many streams I request initally by default */ 674163953Srrs#define SCTP_OSTREAM_INITIAL 10 675163953Srrs 676163953Srrs/* 677163953Srrs * How many smallest_mtu's need to increase before a window update sack is 678163953Srrs * sent (should be a power of 2). 679163953Srrs */ 680163953Srrs/* Send window update (incr * this > hiwat). Should be a power of 2 */ 681163953Srrs#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 682163953Srrs 683170606Srrs#define SCTP_ADDRMAX 24 684163953Srrs 685163953Srrs/* SCTP DEBUG Switch parameters */ 686163953Srrs#define SCTP_DEBUG_TIMER1 0x00000001 687170181Srrs#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 688170181Srrs#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 689163953Srrs#define SCTP_DEBUG_TIMER4 0x00000008 690163953Srrs#define SCTP_DEBUG_OUTPUT1 0x00000010 691163953Srrs#define SCTP_DEBUG_OUTPUT2 0x00000020 692163953Srrs#define SCTP_DEBUG_OUTPUT3 0x00000040 693163953Srrs#define SCTP_DEBUG_OUTPUT4 0x00000080 694163953Srrs#define SCTP_DEBUG_UTIL1 0x00000100 695170181Srrs#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 696163953Srrs#define SCTP_DEBUG_AUTH1 0x00000400 697170181Srrs#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 698163953Srrs#define SCTP_DEBUG_INPUT1 0x00001000 699163953Srrs#define SCTP_DEBUG_INPUT2 0x00002000 700163953Srrs#define SCTP_DEBUG_INPUT3 0x00004000 701170181Srrs#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 702163953Srrs#define SCTP_DEBUG_ASCONF1 0x00010000 703163953Srrs#define SCTP_DEBUG_ASCONF2 0x00020000 704170181Srrs#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 705170181Srrs#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 706163953Srrs#define SCTP_DEBUG_PCB1 0x00100000 707170181Srrs#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 708163953Srrs#define SCTP_DEBUG_PCB3 0x00400000 709172266Srrs#define SCTP_DEBUG_PCB4 0x00800000 710163953Srrs#define SCTP_DEBUG_INDATA1 0x01000000 711170181Srrs#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 712170181Srrs#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 713188067Srrs#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 714170181Srrs#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 715170181Srrs#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 716163953Srrs#define SCTP_DEBUG_PEEL1 0x40000000 717170181Srrs#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 718163953Srrs#define SCTP_DEBUG_ALL 0x7ff3ffff 719163953Srrs#define SCTP_DEBUG_NOISY 0x00040000 720163953Srrs 721163953Srrs/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 722163953Srrs#define SCTP_SWS_SENDER_DEF 1420 723163953Srrs 724163953Srrs/* 725163953Srrs * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 726163953Srrs * would be hiwat/2 etc. 727163953Srrs */ 728163953Srrs/* What receiver needs to see in sockbuf or we tell peer its 1 */ 729163953Srrs#define SCTP_SWS_RECEIVER_DEF 3000 730163953Srrs 731163953Srrs#define SCTP_INITIAL_CWND 4380 732163953Srrs 733188067Srrs#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 734163953Srrs/* amount peer is obligated to have in rwnd or I will abort */ 735163953Srrs#define SCTP_MIN_RWND 1500 736163953Srrs 737163953Srrs#define SCTP_DEFAULT_MAXSEGMENT 65535 738163953Srrs 739170642Srrs#define SCTP_CHUNK_BUFFER_SIZE 512 740166675Srrs#define SCTP_PARAM_BUFFER_SIZE 512 741163953Srrs 742171990Srrs/* small chunk store for looking at chunk_list in auth */ 743171990Srrs#define SCTP_SMALL_CHUNK_STORE 260 744171990Srrs 745163953Srrs#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 746163953Srrs#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 747163953Srrs 748163953Srrs#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 749163953Srrs#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 750163953Srrs 751163953Srrs 752163953Srrs/* 753163953Srrs * SCTP upper layer notifications 754163953Srrs */ 755185694Srrs#define SCTP_NOTIFY_ASSOC_UP 1 756185694Srrs#define SCTP_NOTIFY_ASSOC_DOWN 2 757185694Srrs#define SCTP_NOTIFY_INTERFACE_DOWN 3 758185694Srrs#define SCTP_NOTIFY_INTERFACE_UP 4 759185694Srrs#define SCTP_NOTIFY_DG_FAIL 5 760185694Srrs#define SCTP_NOTIFY_STRDATA_ERR 6 761185694Srrs#define SCTP_NOTIFY_ASSOC_ABORTED 7 762185694Srrs#define SCTP_NOTIFY_PEER_OPENED_STREAM 8 763185694Srrs#define SCTP_NOTIFY_STREAM_OPENED_OK 9 764185694Srrs#define SCTP_NOTIFY_ASSOC_RESTART 10 765185694Srrs#define SCTP_NOTIFY_HB_RESP 11 766185694Srrs#define SCTP_NOTIFY_ASCONF_SUCCESS 12 767185694Srrs#define SCTP_NOTIFY_ASCONF_FAILED 13 768185694Srrs#define SCTP_NOTIFY_PEER_SHUTDOWN 14 769185694Srrs#define SCTP_NOTIFY_ASCONF_ADD_IP 15 770185694Srrs#define SCTP_NOTIFY_ASCONF_DELETE_IP 16 771185694Srrs#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 772163953Srrs#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 773185694Srrs#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 774185694Srrs#define SCTP_NOTIFY_STR_RESET_RECV 21 775185694Srrs#define SCTP_NOTIFY_STR_RESET_SEND 22 776185694Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 777185694Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 778185694Srrs#define SCTP_NOTIFY_AUTH_NEW_KEY 25 779185694Srrs#define SCTP_NOTIFY_AUTH_FREE_KEY 26 780185694Srrs#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 781185694Srrs#define SCTP_NOTIFY_NO_PEER_AUTH 28 782185694Srrs#define SCTP_NOTIFY_SENDER_DRY 29 783188854Srrs#define SCTP_NOTIFY_STR_RESET_ADD_OK 30 784188854Srrs#define SCTP_NOTIFY_STR_RESET_ADD_FAIL 31 785188854Srrs#define SCTP_NOTIFY_STR_RESET_INSTREAM_ADD_OK 32 786188854Srrs#define SCTP_NOTIFY_MAX 32 787163953Srrs 788188854Srrs 789163953Srrs/* This is the value for messages that are NOT completely 790163953Srrs * copied down where we will start to split the message. 791163953Srrs * So, with our default, we split only if the piece we 792163953Srrs * want to take will fill up a full MTU (assuming 793163953Srrs * a 1500 byte MTU). 794163953Srrs */ 795168124Srrs#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 796163953Srrs 797165220Srrs/* ABORT CODES and other tell-tale location 798165220Srrs * codes are generated by adding the below 799165220Srrs * to the instance id. 800165220Srrs */ 801165220Srrs 802165220Srrs/* File defines */ 803165220Srrs#define SCTP_FROM_SCTP_INPUT 0x10000000 804165220Srrs#define SCTP_FROM_SCTP_PCB 0x20000000 805165220Srrs#define SCTP_FROM_SCTP_INDATA 0x30000000 806165220Srrs#define SCTP_FROM_SCTP_TIMER 0x40000000 807165220Srrs#define SCTP_FROM_SCTP_USRREQ 0x50000000 808165220Srrs#define SCTP_FROM_SCTPUTIL 0x60000000 809165220Srrs#define SCTP_FROM_SCTP6_USRREQ 0x70000000 810165220Srrs#define SCTP_FROM_SCTP_ASCONF 0x80000000 811165220Srrs#define SCTP_FROM_SCTP_OUTPUT 0x90000000 812165220Srrs#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 813170056Srrs#define SCTP_FROM_SCTP_PANDA 0xb0000000 814171943Srrs#define SCTP_FROM_SCTP_SYSCTL 0xc0000000 815165220Srrs 816165220Srrs/* Location ID's */ 817165220Srrs#define SCTP_LOC_1 0x00000001 818165220Srrs#define SCTP_LOC_2 0x00000002 819165220Srrs#define SCTP_LOC_3 0x00000003 820165220Srrs#define SCTP_LOC_4 0x00000004 821165220Srrs#define SCTP_LOC_5 0x00000005 822165220Srrs#define SCTP_LOC_6 0x00000006 823165220Srrs#define SCTP_LOC_7 0x00000007 824165220Srrs#define SCTP_LOC_8 0x00000008 825165220Srrs#define SCTP_LOC_9 0x00000009 826165220Srrs#define SCTP_LOC_10 0x0000000a 827165220Srrs#define SCTP_LOC_11 0x0000000b 828165220Srrs#define SCTP_LOC_12 0x0000000c 829165220Srrs#define SCTP_LOC_13 0x0000000d 830165220Srrs#define SCTP_LOC_14 0x0000000e 831165220Srrs#define SCTP_LOC_15 0x0000000f 832165220Srrs#define SCTP_LOC_16 0x00000010 833165220Srrs#define SCTP_LOC_17 0x00000011 834165220Srrs#define SCTP_LOC_18 0x00000012 835165220Srrs#define SCTP_LOC_19 0x00000013 836165220Srrs#define SCTP_LOC_20 0x00000014 837165220Srrs#define SCTP_LOC_21 0x00000015 838165220Srrs#define SCTP_LOC_22 0x00000016 839165220Srrs#define SCTP_LOC_23 0x00000017 840165220Srrs#define SCTP_LOC_24 0x00000018 841165220Srrs#define SCTP_LOC_25 0x00000019 842165220Srrs#define SCTP_LOC_26 0x0000001a 843165220Srrs#define SCTP_LOC_27 0x0000001b 844165220Srrs#define SCTP_LOC_28 0x0000001c 845165220Srrs#define SCTP_LOC_29 0x0000001d 846165220Srrs#define SCTP_LOC_30 0x0000001e 847165220Srrs#define SCTP_LOC_31 0x0000001f 848165220Srrs#define SCTP_LOC_32 0x00000020 849169352Srrs#define SCTP_LOC_33 0x00000021 850165220Srrs 851165220Srrs 852165220Srrs/* Free assoc codes */ 853165220Srrs#define SCTP_NORMAL_PROC 0 854165220Srrs#define SCTP_PCBFREE_NOFORCE 1 855165220Srrs#define SCTP_PCBFREE_FORCE 2 856165220Srrs 857165220Srrs/* From codes for adding addresses */ 858165220Srrs#define SCTP_ADDR_IS_CONFIRMED 8 859165220Srrs#define SCTP_ADDR_DYNAMIC_ADDED 6 860165220Srrs#define SCTP_IN_COOKIE_PROC 100 861165220Srrs#define SCTP_ALLOC_ASOC 1 862165220Srrs#define SCTP_LOAD_ADDR_2 2 863165220Srrs#define SCTP_LOAD_ADDR_3 3 864165220Srrs#define SCTP_LOAD_ADDR_4 4 865165220Srrs#define SCTP_LOAD_ADDR_5 5 866165220Srrs 867165220Srrs#define SCTP_DONOT_SETSCOPE 0 868165220Srrs#define SCTP_DO_SETSCOPE 1 869165220Srrs 870165220Srrs 871163953Srrs/* This value determines the default for when 872163953Srrs * we try to add more on the send queue., if 873163953Srrs * there is room. This prevents us from cycling 874163953Srrs * into the copy_resume routine to often if 875163953Srrs * we have not got enough space to add a decent 876163953Srrs * enough size message. Note that if we have enough 877163953Srrs * space to complete the message copy we will always 878163953Srrs * add to the message, no matter what the size. Its 879163953Srrs * only when we reach the point that we have some left 880163953Srrs * to add, there is only room for part of it that we 881163953Srrs * will use this threshold. Its also a sysctl. 882163953Srrs */ 883163953Srrs#define SCTP_DEFAULT_ADD_MORE 1452 884163953Srrs 885163953Srrs#ifndef SCTP_PCBHASHSIZE 886163953Srrs/* default number of association hash buckets in each endpoint */ 887163953Srrs#define SCTP_PCBHASHSIZE 256 888163953Srrs#endif 889163953Srrs#ifndef SCTP_TCBHASHSIZE 890163953Srrs#define SCTP_TCBHASHSIZE 1024 891163953Srrs#endif 892163953Srrs 893163953Srrs#ifndef SCTP_CHUNKQUEUE_SCALE 894163953Srrs#define SCTP_CHUNKQUEUE_SCALE 10 895163953Srrs#endif 896163953Srrs 897163953Srrs/* clock variance is 1 ms */ 898163953Srrs#define SCTP_CLOCK_GRANULARITY 1 899163953Srrs#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 900163953Srrs * detracts a small amount for ipv4 but it 901163953Srrs * simplifies the ipv6 addition */ 902163953Srrs 903169380Srrs/* Argument magic number for sctp_inpcb_free() */ 904169380Srrs 905169380Srrs/* third argument */ 906169380Srrs#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 907169380Srrs#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 908208879Srrs#define SCTP_CALLED_FROM_INPKILL_TIMER 2 909169380Srrs/* second argument */ 910169380Srrs#define SCTP_FREE_SHOULD_USE_ABORT 1 911169380Srrs#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 912169380Srrs 913163953Srrs#ifndef IPPROTO_SCTP 914163953Srrs#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 915163953Srrs#endif /* !IPPROTO_SCTP */ 916163953Srrs 917163953Srrs#define SCTP_MAX_DATA_BUNDLING 256 918163953Srrs 919163953Srrs/* modular comparison */ 920216825Stuexen/* See RFC 1982 for details. */ 921218232Srrs#define SCTP_SSN_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \ 922218232Srrs ((a > b) && ((uint16_t)(a - b) < (1U<<15)))) 923216825Stuexen#define SCTP_SSN_GE(a, b) (SCTP_SSN_GT(a, b) || (a == b)) 924218232Srrs#define SCTP_TSN_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \ 925218232Srrs ((a > b) && ((uint32_t)(a - b) < (1U<<31)))) 926216825Stuexen#define SCTP_TSN_GE(a, b) (SCTP_TSN_GT(a, b) || (a == b)) 927163953Srrs 928163953Srrs/* Mapping array manipulation routines */ 929163953Srrs#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 930163953Srrs#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 931163953Srrs#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 932206137Stuexen#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \ 933206137Stuexen if (tsn >= mapping_tsn) { \ 934206137Stuexen gap = tsn - mapping_tsn; \ 935206137Stuexen } else { \ 936206137Stuexen gap = (MAX_TSN - mapping_tsn) + tsn + 1; \ 937206137Stuexen } \ 938206137Stuexen } while(0) 939163953Srrs 940163953Srrs 941168124Srrs#define SCTP_RETRAN_DONE -1 942168124Srrs#define SCTP_RETRAN_EXIT -2 943168124Srrs 944163953Srrs/* 945163953Srrs * This value defines the number of vtag block time wait entry's per list 946163953Srrs * element. Each entry will take 2 4 byte ints (and of course the overhead 947163953Srrs * of the next pointer as well). Using 15 as an example will yield * ((8 * 948163953Srrs * 15) + 8) or 128 bytes of overhead for each timewait block that gets 949163953Srrs * initialized. Increasing it to 31 would yeild 256 bytes per block. 950163953Srrs */ 951163953Srrs#define SCTP_NUMBER_IN_VTAG_BLOCK 15 952163953Srrs/* 953163953Srrs * If we use the STACK option, we have an array of this size head pointers. 954163953Srrs * This array is mod'd the with the size to find which bucket and then all 955163953Srrs * entries must be searched to see if the tag is in timed wait. If so we 956163953Srrs * reject it. 957163953Srrs */ 958184883Srrs#define SCTP_STACK_VTAG_HASH_SIZE 32 959163953Srrs 960163953Srrs/* 961173179Srrs * Number of seconds of time wait for a vtag. 962163953Srrs */ 963173179Srrs#define SCTP_TIME_WAIT 60 964163953Srrs 965218186Srrs/* How many micro seconds is the cutoff from 966218186Srrs * local lan type rtt's 967218186Srrs */ 968218186Srrs /* 969218186Srrs * We allow 500us for the rtt and another 500us for the cookie processing 970218186Srrs * since we measure this on the first rtt. 971218186Srrs */ 972218186Srrs#define SCTP_LOCAL_LAN_RTT 1100 973218186Srrs#define SCTP_LAN_UNKNOWN 0 974218186Srrs#define SCTP_LAN_LOCAL 1 975218186Srrs#define SCTP_LAN_INTERNET 2 976218186Srrs 977212799Stuexen#define SCTP_SEND_BUFFER_SPLITTING 0x00000001 978212799Stuexen#define SCTP_RECV_BUFFER_SPLITTING 0x00000002 979212799Stuexen 980163953Srrs/* The system retains a cache of free chunks such to 981163953Srrs * cut down on calls the memory allocation system. There 982163953Srrs * is a per association limit of free items and a overall 983163953Srrs * system limit. If either one gets hit then the resource 984163953Srrs * stops being cached. 985163953Srrs */ 986163953Srrs 987163953Srrs#define SCTP_DEF_ASOC_RESC_LIMIT 10 988163953Srrs#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 989163953Srrs 990172090Srrs/*- 991172090Srrs * defines for socket lock states. 992172090Srrs * Used by __APPLE__ and SCTP_SO_LOCK_TESTING 993172090Srrs */ 994172090Srrs#define SCTP_SO_LOCKED 1 995172090Srrs#define SCTP_SO_NOT_LOCKED 0 996163953Srrs 997172090Srrs 998172396Srrs#define SCTP_HOLDS_LOCK 1 999172396Srrs#define SCTP_NOT_LOCKED 0 1000172396Srrs 1001172091Srrs/*- 1002172091Srrs * For address locks, do we hold the lock? 1003172091Srrs */ 1004172091Srrs#define SCTP_ADDR_LOCKED 1 1005172091Srrs#define SCTP_ADDR_NOT_LOCKED 0 1006172091Srrs 1007163953Srrs#define IN4_ISPRIVATE_ADDRESS(a) \ 1008166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 1009166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 1010166675Srrs (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 1011166675Srrs (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 1012166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 1013166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 168))) 1014163953Srrs 1015163953Srrs#define IN4_ISLOOPBACK_ADDRESS(a) \ 1016166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 1017166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 1018166675Srrs (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 1019166675Srrs (((uint8_t *)&(a)->s_addr)[3] == 1)) 1020163953Srrs 1021163953Srrs 1022163953Srrs#if defined(_KERNEL) 1023163953Srrs 1024218186Srrs#define SCTP_GETTIME_TIMESPEC(x) (getnanouptime(x)) 1025163953Srrs#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 1026163953Srrs#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 1027180387Srrs#endif 1028163953Srrs/*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 1029163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 1030163953Srrs/* (x)->tv_sec = ticks / 1000; \*/ 1031163953Srrs/* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 1032163953Srrs/*}*/ 1033163953Srrs 1034163953Srrs/*#else*/ 1035163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 1036163953Srrs/*#endif __FreeBSD__ */ 1037163953Srrs 1038180387Srrs#if defined(_KERNEL) || defined(__Userspace__) 1039163953Srrs#define sctp_sowwakeup(inp, so) \ 1040163953Srrsdo { \ 1041163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1042163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1043163953Srrs } else { \ 1044163953Srrs sowwakeup(so); \ 1045163953Srrs } \ 1046163953Srrs} while (0) 1047163953Srrs 1048163953Srrs#define sctp_sowwakeup_locked(inp, so) \ 1049163953Srrsdo { \ 1050163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1051163953Srrs SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1052163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1053163953Srrs } else { \ 1054163953Srrs sowwakeup_locked(so); \ 1055163953Srrs } \ 1056163953Srrs} while (0) 1057163953Srrs 1058163953Srrs#define sctp_sorwakeup(inp, so) \ 1059163953Srrsdo { \ 1060163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1061163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1062163953Srrs } else { \ 1063163953Srrs sorwakeup(so); \ 1064163953Srrs } \ 1065163953Srrs} while (0) 1066163953Srrs 1067163953Srrs#define sctp_sorwakeup_locked(inp, so) \ 1068163953Srrsdo { \ 1069163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1070163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1071163953Srrs SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1072163953Srrs } else { \ 1073163953Srrs sorwakeup_locked(so); \ 1074163953Srrs } \ 1075163953Srrs} while (0) 1076163953Srrs 1077180387Srrs#endif /* _KERNEL || __Userspace__ */ 1078163953Srrs#endif 1079