sctp_constants.h revision 199866
1163953Srrs/*- 2185694Srrs * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3163953Srrs * 4163953Srrs * Redistribution and use in source and binary forms, with or without 5163953Srrs * modification, are permitted provided that the following conditions are met: 6163953Srrs * 7163953Srrs * a) Redistributions of source code must retain the above copyright notice, 8163953Srrs * this list of conditions and the following disclaimer. 9163953Srrs * 10163953Srrs * b) Redistributions in binary form must reproduce the above copyright 11163953Srrs * notice, this list of conditions and the following disclaimer in 12163953Srrs * the documentation and/or other materials provided with the distribution. 13163953Srrs * 14163953Srrs * c) Neither the name of Cisco Systems, Inc. nor the names of its 15163953Srrs * contributors may be used to endorse or promote products derived 16163953Srrs * from this software without specific prior written permission. 17163953Srrs * 18163953Srrs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19163953Srrs * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20163953Srrs * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21163953Srrs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22163953Srrs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23163953Srrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24163953Srrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25163953Srrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26163953Srrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27163953Srrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28163953Srrs * THE POSSIBILITY OF SUCH DAMAGE. 29163953Srrs */ 30163953Srrs 31163953Srrs/* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */ 32163953Srrs 33163953Srrs#include <sys/cdefs.h> 34163953Srrs__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 199866 2009-11-27 17:25:19Z tuexen $"); 35163953Srrs 36163953Srrs#ifndef __sctp_constants_h__ 37163953Srrs#define __sctp_constants_h__ 38163953Srrs 39179157Srrs/* IANA assigned port number for SCTP over UDP encapsulation */ 40188067Srrs/* For freebsd we cannot bind the port at 41188067Srrs * startup. Otherwise what will happen is 42188067Srrs * we really won't be bound. The user must 43188067Srrs * put it into the sysctl... or we need 44188067Srrs * to build a special timer for this to allow 45188067Srrs * us to wait 1 second or so after the system 46188067Srrs * comes up. 47188067Srrs */ 48188067Srrs#define SCTP_OVER_UDP_TUNNELING_PORT 0 49167598Srrs/* Number of packets to get before sack sent by default */ 50167598Srrs#define SCTP_DEFAULT_SACK_FREQ 2 51163953Srrs 52167598Srrs/* Address limit - This variable is calculated 53168299Srrs * based on an 65535 byte max ip packet. We take out 100 bytes 54167598Srrs * for the cookie, 40 bytes for a v6 header and 32 55167598Srrs * bytes for the init structure. A second init structure 56167598Srrs * for the init-ack and then finally a third one for the 57167598Srrs * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 58168299Srrs * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 59168299Srrs * Now whatever we send in the INIT() we need to allow to get back in the 60167598Srrs * INIT-ACK plus all the values from INIT and INIT-ACK 61167598Srrs * listed in the cookie. Plus we need some overhead for 62167598Srrs * maybe copied parameters in the COOKIE. If we 63168299Srrs * allow 1080 addresses, and each side has 1080 V6 addresses 64168299Srrs * that will be 21600 bytes. In the INIT-ACK we will 65168299Srrs * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 66168299Srrs * about 500 bytes slack for misc things in the cookie. 67167598Srrs */ 68168299Srrs#define SCTP_ADDRESS_LIMIT 1080 69167598Srrs 70171990Srrs/* We need at least 2k of space for us, inits 71171990Srrs * larger than that lets abort. 72171990Srrs */ 73171990Srrs#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 74171990Srrs 75167598Srrs/* Number of addresses where we just skip the counting */ 76167598Srrs#define SCTP_COUNT_LIMIT 40 77167598Srrs 78170056Srrs#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 79170181Srrs#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 80170056Srrs 81167598Srrs/* Number of ticks to delay before running 82167598Srrs * iterator on an address change. 83167598Srrs */ 84167598Srrs#define SCTP_ADDRESS_TICK_DELAY 2 85167598Srrs 86163953Srrs#define SCTP_VERSION_STRING "KAME-BSD 1.1" 87163953Srrs/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 88163953Srrs#define SCTP_AUDIT_SIZE 256 89163953Srrs 90199371Stuexen/* temporary disabled since it does not work with VNET. */ 91199371Stuexen#if 0 92167598Srrs#define SCTP_USE_THREAD_BASED_ITERATOR 1 93199371Stuexen#endif 94167598Srrs 95167598Srrs#define SCTP_KTRHEAD_NAME "sctp_iterator" 96199866Stuexen#define SCTP_KTHREAD_PAGES 0 97167598Srrs 98167598Srrs 99167598Srrs/* If you support Multi-VRF how big to 100167598Srrs * make the initial array of VRF's to. 101167598Srrs */ 102167598Srrs#define SCTP_DEFAULT_VRF_SIZE 4 103167598Srrs 104171477Srrs/* constants for rto calc */ 105171477Srrs#define sctp_align_safe_nocopy 0 106171477Srrs#define sctp_align_unsafe_makecopy 1 107171477Srrs 108171440Srrs/* JRS - Values defined for the HTCP algorithm */ 109171440Srrs#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 110171440Srrs#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 111171440Srrs#define BETA_MAX 102 /* 0.8 with shift << 7 */ 112171440Srrs 113163953Srrs/* Places that CWND log can happen from */ 114163953Srrs#define SCTP_CWND_LOG_FROM_FR 1 115163953Srrs#define SCTP_CWND_LOG_FROM_RTX 2 116163953Srrs#define SCTP_CWND_LOG_FROM_BRST 3 117163953Srrs#define SCTP_CWND_LOG_FROM_SS 4 118163953Srrs#define SCTP_CWND_LOG_FROM_CA 5 119163953Srrs#define SCTP_CWND_LOG_FROM_SAT 6 120163953Srrs#define SCTP_BLOCK_LOG_INTO_BLK 7 121163953Srrs#define SCTP_BLOCK_LOG_OUTOF_BLK 8 122163953Srrs#define SCTP_BLOCK_LOG_CHECK 9 123163953Srrs#define SCTP_STR_LOG_FROM_INTO_STRD 10 124163953Srrs#define SCTP_STR_LOG_FROM_IMMED_DEL 11 125163953Srrs#define SCTP_STR_LOG_FROM_INSERT_HD 12 126163953Srrs#define SCTP_STR_LOG_FROM_INSERT_MD 13 127163953Srrs#define SCTP_STR_LOG_FROM_INSERT_TL 14 128163953Srrs#define SCTP_STR_LOG_FROM_MARK_TSN 15 129163953Srrs#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 130163953Srrs#define SCTP_FR_LOG_BIGGEST_TSNS 17 131163953Srrs#define SCTP_FR_LOG_STRIKE_TEST 18 132163953Srrs#define SCTP_FR_LOG_STRIKE_CHUNK 19 133163953Srrs#define SCTP_FR_T3_TIMEOUT 20 134163953Srrs#define SCTP_MAP_PREPARE_SLIDE 21 135163953Srrs#define SCTP_MAP_SLIDE_FROM 22 136163953Srrs#define SCTP_MAP_SLIDE_RESULT 23 137163953Srrs#define SCTP_MAP_SLIDE_CLEARED 24 138163953Srrs#define SCTP_MAP_SLIDE_NONE 25 139163953Srrs#define SCTP_FR_T3_MARK_TIME 26 140163953Srrs#define SCTP_FR_T3_MARKED 27 141163953Srrs#define SCTP_FR_T3_STOPPED 28 142163953Srrs#define SCTP_FR_MARKED 30 143163953Srrs#define SCTP_CWND_LOG_NOADV_SS 31 144163953Srrs#define SCTP_CWND_LOG_NOADV_CA 32 145163953Srrs#define SCTP_MAX_BURST_APPLIED 33 146163953Srrs#define SCTP_MAX_IFP_APPLIED 34 147163953Srrs#define SCTP_MAX_BURST_ERROR_STOP 35 148163953Srrs#define SCTP_INCREASE_PEER_RWND 36 149163953Srrs#define SCTP_DECREASE_PEER_RWND 37 150163953Srrs#define SCTP_SET_PEER_RWND_VIA_SACK 38 151163953Srrs#define SCTP_LOG_MBCNT_INCREASE 39 152163953Srrs#define SCTP_LOG_MBCNT_DECREASE 40 153163953Srrs#define SCTP_LOG_MBCNT_CHKSET 41 154163953Srrs#define SCTP_LOG_NEW_SACK 42 155163953Srrs#define SCTP_LOG_TSN_ACKED 43 156163953Srrs#define SCTP_LOG_TSN_REVOKED 44 157163953Srrs#define SCTP_LOG_LOCK_TCB 45 158163953Srrs#define SCTP_LOG_LOCK_INP 46 159163953Srrs#define SCTP_LOG_LOCK_SOCK 47 160163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_R 48 161163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_S 49 162163953Srrs#define SCTP_LOG_LOCK_CREATE 50 163163953Srrs#define SCTP_LOG_INITIAL_RTT 51 164163953Srrs#define SCTP_LOG_RTTVAR 52 165163953Srrs#define SCTP_LOG_SBALLOC 53 166163953Srrs#define SCTP_LOG_SBFREE 54 167163953Srrs#define SCTP_LOG_SBRESULT 55 168163953Srrs#define SCTP_FR_DUPED 56 169163953Srrs#define SCTP_FR_MARKED_EARLY 57 170163953Srrs#define SCTP_FR_CWND_REPORT 58 171163953Srrs#define SCTP_FR_CWND_REPORT_START 59 172163953Srrs#define SCTP_FR_CWND_REPORT_STOP 60 173163953Srrs#define SCTP_CWND_LOG_FROM_SEND 61 174163953Srrs#define SCTP_CWND_INITIALIZATION 62 175163953Srrs#define SCTP_CWND_LOG_FROM_T3 63 176163953Srrs#define SCTP_CWND_LOG_FROM_SACK 64 177163953Srrs#define SCTP_CWND_LOG_NO_CUMACK 65 178163953Srrs#define SCTP_CWND_LOG_FROM_RESEND 66 179163953Srrs#define SCTP_FR_LOG_CHECK_STRIKE 67 180163953Srrs#define SCTP_SEND_NOW_COMPLETES 68 181163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 182163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 183163953Srrs#define SCTP_LOG_FREE_SENT 71 184163953Srrs#define SCTP_NAGLE_APPLIED 72 185163953Srrs#define SCTP_NAGLE_SKIPPED 73 186163953Srrs#define SCTP_WAKESND_FROM_SACK 74 187163953Srrs#define SCTP_WAKESND_FROM_FWDTSN 75 188163953Srrs#define SCTP_NOWAKE_FROM_SACK 76 189163953Srrs#define SCTP_CWNDLOG_PRESEND 77 190163953Srrs#define SCTP_CWNDLOG_ENDSEND 78 191163953Srrs#define SCTP_AT_END_OF_SACK 79 192163953Srrs#define SCTP_REASON_FOR_SC 80 193163953Srrs#define SCTP_BLOCK_LOG_INTO_BLKA 81 194163953Srrs#define SCTP_ENTER_USER_RECV 82 195163953Srrs#define SCTP_USER_RECV_SACKS 83 196163953Srrs#define SCTP_SORECV_BLOCKSA 84 197163953Srrs#define SCTP_SORECV_BLOCKSB 85 198163953Srrs#define SCTP_SORECV_DONE 86 199163953Srrs#define SCTP_SACK_RWND_UPDATE 87 200163953Srrs#define SCTP_SORECV_ENTER 88 201163953Srrs#define SCTP_SORECV_ENTERPL 89 202163953Srrs#define SCTP_MBUF_INPUT 90 203163953Srrs#define SCTP_MBUF_IALLOC 91 204163953Srrs#define SCTP_MBUF_IFREE 92 205163953Srrs#define SCTP_MBUF_ICOPY 93 206178197Srrs#define SCTP_MBUF_SPLIT 94 207178197Srrs#define SCTP_SORCV_FREECTL 95 208178197Srrs#define SCTP_SORCV_DOESCPY 96 209178197Srrs#define SCTP_SORCV_DOESLCK 97 210178197Srrs#define SCTP_SORCV_DOESADJ 98 211178197Srrs#define SCTP_SORCV_BOTWHILE 99 212178197Srrs#define SCTP_SORCV_PASSBF 100 213178197Srrs#define SCTP_SORCV_ADJD 101 214178197Srrs#define SCTP_UNKNOWN_MAX 102 215178197Srrs#define SCTP_RANDY_STUFF 103 216178197Srrs#define SCTP_RANDY_STUFF1 104 217178197Srrs#define SCTP_STRMOUT_LOG_ASSIGN 105 218178197Srrs#define SCTP_STRMOUT_LOG_SEND 106 219178197Srrs#define SCTP_FLIGHT_LOG_DOWN_CA 107 220178197Srrs#define SCTP_FLIGHT_LOG_UP 108 221178197Srrs#define SCTP_FLIGHT_LOG_DOWN_GAP 109 222178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND 110 223178197Srrs#define SCTP_FLIGHT_LOG_UP_RSND 111 224178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 225178197Srrs#define SCTP_FLIGHT_LOG_DOWN_WP 113 226178197Srrs#define SCTP_FLIGHT_LOG_UP_REVOKE 114 227178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 228178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 229178197Srrs#define SCTP_SACK_LOG_NORMAL 117 230178197Srrs#define SCTP_SACK_LOG_EXPRESS 118 231178197Srrs#define SCTP_MAP_TSN_ENTERS 119 232178197Srrs#define SCTP_THRESHOLD_CLEAR 120 233178197Srrs#define SCTP_THRESHOLD_INCR 121 234189371Srrs#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122 235189790Srrs#define SCTP_FWD_TSN_CHECK 123 236189790Srrs#define SCTP_LOG_MAX_TYPES 124 237163953Srrs/* 238170744Srrs * To turn on various logging, you must first enable 'options KTR' and 239170744Srrs * you might want to bump the entires 'options KTR_ENTRIES=80000'. 240170744Srrs * To get something to log you define one of the logging defines. 241170744Srrs * (see LINT). 242163953Srrs * 243170744Srrs * This gets the compile in place, but you still need to turn the 244170744Srrs * logging flag on too in the sysctl (see in sctp.h). 245163953Srrs */ 246171943Srrs 247163953Srrs#define SCTP_LOG_EVENT_UNKNOWN 0 248163953Srrs#define SCTP_LOG_EVENT_CWND 1 249163953Srrs#define SCTP_LOG_EVENT_BLOCK 2 250163953Srrs#define SCTP_LOG_EVENT_STRM 3 251163953Srrs#define SCTP_LOG_EVENT_FR 4 252163953Srrs#define SCTP_LOG_EVENT_MAP 5 253163953Srrs#define SCTP_LOG_EVENT_MAXBURST 6 254163953Srrs#define SCTP_LOG_EVENT_RWND 7 255163953Srrs#define SCTP_LOG_EVENT_MBCNT 8 256163953Srrs#define SCTP_LOG_EVENT_SACK 9 257163953Srrs#define SCTP_LOG_LOCK_EVENT 10 258163953Srrs#define SCTP_LOG_EVENT_RTT 11 259163953Srrs#define SCTP_LOG_EVENT_SB 12 260163953Srrs#define SCTP_LOG_EVENT_NAGLE 13 261163953Srrs#define SCTP_LOG_EVENT_WAKE 14 262163953Srrs#define SCTP_LOG_MISC_EVENT 15 263163953Srrs#define SCTP_LOG_EVENT_CLOSE 16 264163953Srrs#define SCTP_LOG_EVENT_MBUF 17 265170744Srrs#define SCTP_LOG_CHUNK_PROC 18 266170744Srrs#define SCTP_LOG_ERROR_RET 19 267163953Srrs 268170744Srrs#define SCTP_LOG_MAX_EVENT 20 269163953Srrs 270163953Srrs#define SCTP_LOCK_UNKNOWN 2 271163953Srrs 272163953Srrs 273163953Srrs/* number of associations by default for zone allocation */ 274163953Srrs#define SCTP_MAX_NUM_OF_ASOC 40000 275163953Srrs/* how many addresses per assoc remote and local */ 276163953Srrs#define SCTP_SCALE_FOR_ADDR 2 277163953Srrs 278163953Srrs/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 279167598Srrs#if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF) 280167598Srrs#define SCTP_DEFAULT_AUTO_ASCONF 0 281167598Srrs#else 282167598Srrs#define SCTP_DEFAULT_AUTO_ASCONF 1 283167598Srrs#endif 284163953Srrs 285179157Srrs/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 286179157Srrs#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 287179157Srrs 288171990Srrs/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */ 289171990Srrs#if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_BASE) 290171990Srrs#define SCTP_DEFAULT_MOBILITY_BASE 0 291171990Srrs#else 292171990Srrs#define SCTP_DEFAULT_MOBILITY_BASE 0 293171990Srrs#endif 294171990Srrs 295171990Srrs/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */ 296171990Srrs#if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 297171990Srrs#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0 298171990Srrs#else 299171990Srrs#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0 300171990Srrs#endif 301171990Srrs 302163953Srrs/* 303163953Srrs * Theshold for rwnd updates, we have to read (sb_hiwat >> 304163953Srrs * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 305163953Srrs * window update sack. When we look, we compare the last rwnd we sent vs the 306163953Srrs * current rwnd. It too must be greater than this value. Using 3 divdes the 307163953Srrs * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 308163953Srrs * to read 8k. This seems about right.. I hope :-D.. we do set a 309163953Srrs * min of a MTU on it so if the rwnd is real small we will insist 310163953Srrs * on a full MTU of 1500 bytes. 311163953Srrs */ 312163953Srrs#define SCTP_RWND_HIWAT_SHIFT 3 313163953Srrs 314163953Srrs/* How much of the rwnd must the 315163953Srrs * message be taking up to start partial delivery. 316163953Srrs * We calculate this by shifing the hi_water (recv_win) 317163953Srrs * left the following .. set to 1, when a message holds 318163953Srrs * 1/2 the rwnd. If we set it to 2 when a message holds 319163953Srrs * 1/4 the rwnd...etc.. 320163953Srrs */ 321163953Srrs 322163953Srrs#define SCTP_PARTIAL_DELIVERY_SHIFT 1 323163953Srrs 324163953Srrs/* 325163953Srrs * default HMAC for cookies, etc... use one of the AUTH HMAC id's 326163953Srrs * SCTP_HMAC is the HMAC_ID to use 327163953Srrs * SCTP_SIGNATURE_SIZE is the digest length 328163953Srrs */ 329163953Srrs#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 330163953Srrs#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 331163953Srrs#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 332163953Srrs 333163953Srrs/* 334163953Srrs * the SCTP protocol signature this includes the version number encoded in 335163953Srrs * the last 4 bits of the signature. 336163953Srrs */ 337163953Srrs#define PROTO_SIGNATURE_A 0x30000000 338163953Srrs#define SCTP_VERSION_NUMBER 0x3 339163953Srrs 340163953Srrs#define MAX_TSN 0xffffffff 341163953Srrs#define MAX_SEQ 0xffff 342163953Srrs 343163953Srrs/* how many executions every N tick's */ 344163953Srrs#define SCTP_ITERATOR_MAX_AT_ONCE 20 345163953Srrs 346163953Srrs/* number of clock ticks between iterator executions */ 347163953Srrs#define SCTP_ITERATOR_TICKS 1 348163953Srrs 349163953Srrs/* 350163953Srrs * option: If you comment out the following you will receive the old behavior 351163953Srrs * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 352163953Srrs * happens right away with-out waiting for the flightsize to drop below the 353163953Srrs * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 354163953Srrs */ 355163953Srrs#define SCTP_IGNORE_CWND_ON_FR 1 356163953Srrs 357163953Srrs/* 358163953Srrs * Adds implementors guide behavior to only use newest highest update in SACK 359163953Srrs * gap ack's to figure out if you need to stroke a chunk for FR. 360163953Srrs */ 361163953Srrs#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 362163953Srrs 363163953Srrs/* default max I can burst out after a fast retransmit */ 364163953Srrs#define SCTP_DEF_MAX_BURST 4 365163953Srrs/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 366163953Srrs#define SCTP_FIRST_MBUF_RESV 68 367163953Srrs/* Packet transmit states in the sent field */ 368163953Srrs#define SCTP_DATAGRAM_UNSENT 0 369163953Srrs#define SCTP_DATAGRAM_SENT 1 370163953Srrs#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 371163953Srrs * hit this value) */ 372163953Srrs#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 373163953Srrs * hit this value) */ 374163953Srrs#define SCTP_DATAGRAM_RESEND 4 375163953Srrs#define SCTP_DATAGRAM_ACKED 10010 376185694Srrs/* EY 377185694Srrs * If a tsn is nr-gapped, its first tagged as NR_MARKED and then NR_ACKED 378185694Srrs * When yet another nr-sack is received, if a particular TSN's sent tag 379185694Srrs * is observed to be NR_ACKED after gap-ack info is processed, this implies 380185694Srrs * that particular TSN is reneged 381185694Srrs*/ 382185694Srrs#define SCTP_DATAGRAM_NR_ACKED 10020 383185694Srrs#define SCTP_DATAGRAM_NR_MARKED 20005 384163953Srrs#define SCTP_DATAGRAM_MARKED 20010 385163953Srrs#define SCTP_FORWARD_TSN_SKIP 30010 386163953Srrs 387163953Srrs/* chunk output send from locations */ 388163953Srrs#define SCTP_OUTPUT_FROM_USR_SEND 0 389163953Srrs#define SCTP_OUTPUT_FROM_T3 1 390163953Srrs#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 391163953Srrs#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 392163953Srrs#define SCTP_OUTPUT_FROM_SACK_TMR 4 393163953Srrs#define SCTP_OUTPUT_FROM_SHUT_TMR 5 394163953Srrs#define SCTP_OUTPUT_FROM_HB_TMR 6 395163953Srrs#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 396163953Srrs#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 397163953Srrs#define SCTP_OUTPUT_FROM_STRRST_TMR 9 398163953Srrs#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 399163953Srrs#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 400163953Srrs#define SCTP_OUTPUT_FROM_STRRST_REQ 12 401163953Srrs#define SCTP_OUTPUT_FROM_USR_RCVD 13 402164205Srrs#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 403167598Srrs#define SCTP_OUTPUT_FROM_DRAIN 15 404171990Srrs#define SCTP_OUTPUT_FROM_CLOSING 16 405163953Srrs/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 406163953Srrs 407163953Srrs/* align to 32-bit sizes */ 408163953Srrs#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 409163953Srrs 410163953Srrs#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 411163953Srrs#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 412163953Srrs 413163953Srrs 414163953Srrs/* SCTP parameter types */ 415163953Srrs/*************0x0000 series*************/ 416163953Srrs#define SCTP_HEARTBEAT_INFO 0x0001 417163953Srrs#define SCTP_IPV4_ADDRESS 0x0005 418163953Srrs#define SCTP_IPV6_ADDRESS 0x0006 419163953Srrs#define SCTP_STATE_COOKIE 0x0007 420163953Srrs#define SCTP_UNRECOG_PARAM 0x0008 421163953Srrs#define SCTP_COOKIE_PRESERVE 0x0009 422163953Srrs#define SCTP_HOSTNAME_ADDRESS 0x000b 423163953Srrs#define SCTP_SUPPORTED_ADDRTYPE 0x000c 424163953Srrs 425188854Srrs/* draft-ietf-stewart-tsvwg-strreset-xxx */ 426163953Srrs#define SCTP_STR_RESET_OUT_REQUEST 0x000d 427163953Srrs#define SCTP_STR_RESET_IN_REQUEST 0x000e 428163953Srrs#define SCTP_STR_RESET_TSN_REQUEST 0x000f 429163953Srrs#define SCTP_STR_RESET_RESPONSE 0x0010 430188854Srrs#define SCTP_STR_RESET_ADD_STREAMS 0x0011 431163953Srrs 432163953Srrs#define SCTP_MAX_RESET_PARAMS 2 433163953Srrs#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 434163953Srrs 435163953Srrs/*************0x4000 series*************/ 436163953Srrs 437163953Srrs/*************0x8000 series*************/ 438163953Srrs#define SCTP_ECN_CAPABLE 0x8000 439163953Srrs/* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 440163953Srrs#define SCTP_ECN_NONCE_SUPPORTED 0x8001 441163953Srrs/* draft-ietf-tsvwg-auth-xxx */ 442163953Srrs#define SCTP_RANDOM 0x8002 443163953Srrs#define SCTP_CHUNK_LIST 0x8003 444163953Srrs#define SCTP_HMAC_LIST 0x8004 445163953Srrs/* 446163953Srrs * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 447163953Srrs * | Byte Byte | Byte ... 448163953Srrs * 449163953Srrs * Where each byte is a chunk type extension supported. For example, to support 450163953Srrs * all chunks one would have (in hex): 451163953Srrs * 452163953Srrs * 80 01 00 09 C0 C1 80 81 82 00 00 00 453163953Srrs * 454163953Srrs * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 455163953Srrs * = Packet Drop 82 = Stream Reset 83 = Authentication 456163953Srrs */ 457163953Srrs#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 458163953Srrs 459163953Srrs/*************0xC000 series*************/ 460163953Srrs#define SCTP_PRSCTP_SUPPORTED 0xc000 461163953Srrs/* draft-ietf-tsvwg-addip-sctp */ 462163953Srrs#define SCTP_ADD_IP_ADDRESS 0xc001 463163953Srrs#define SCTP_DEL_IP_ADDRESS 0xc002 464163953Srrs#define SCTP_ERROR_CAUSE_IND 0xc003 465163953Srrs#define SCTP_SET_PRIM_ADDR 0xc004 466163953Srrs#define SCTP_SUCCESS_REPORT 0xc005 467163953Srrs#define SCTP_ULP_ADAPTATION 0xc006 468185694Srrs/* behave-nat-draft */ 469185694Srrs#define SCTP_HAS_NAT_SUPPORT 0xc007 470185694Srrs#define SCTP_NAT_VTAGS 0xc008 471163953Srrs 472163953Srrs/* Notification error codes */ 473163953Srrs#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 474163953Srrs#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 475163953Srrs#define SCTP_FAILED_THRESHOLD 0x0004 476163953Srrs#define SCTP_HEARTBEAT_SUCCESS 0x0008 477172091Srrs#define SCTP_RESPONSE_TO_USER_REQ 0x0010 478172091Srrs#define SCTP_INTERNAL_ERROR 0x0020 479172091Srrs#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040 480172091Srrs#define SCTP_RECEIVED_SACK 0x0080 481172091Srrs#define SCTP_PEER_FAULTY 0x0100 482172091Srrs#define SCTP_ICMP_REFUSED 0x0200 483163953Srrs 484163953Srrs/* bits for TOS field */ 485163953Srrs#define SCTP_ECT0_BIT 0x02 486163953Srrs#define SCTP_ECT1_BIT 0x01 487163953Srrs#define SCTP_CE_BITS 0x03 488163953Srrs 489163953Srrs/* below turns off above */ 490163953Srrs#define SCTP_FLEXIBLE_ADDRESS 0x20 491163953Srrs#define SCTP_NO_HEARTBEAT 0x40 492163953Srrs 493163953Srrs/* mask to get sticky */ 494163953Srrs#define SCTP_STICKY_OPTIONS_MASK 0x0c 495163953Srrs 496163953Srrs 497163953Srrs/* 498163953Srrs * SCTP states for internal state machine XXX (should match "user" values) 499163953Srrs */ 500163953Srrs#define SCTP_STATE_EMPTY 0x0000 501163953Srrs#define SCTP_STATE_INUSE 0x0001 502163953Srrs#define SCTP_STATE_COOKIE_WAIT 0x0002 503163953Srrs#define SCTP_STATE_COOKIE_ECHOED 0x0004 504163953Srrs#define SCTP_STATE_OPEN 0x0008 505163953Srrs#define SCTP_STATE_SHUTDOWN_SENT 0x0010 506163953Srrs#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 507163953Srrs#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 508163953Srrs#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 509163953Srrs#define SCTP_STATE_CLOSED_SOCKET 0x0100 510163953Srrs#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 511163953Srrs#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 512171745Srrs#define SCTP_STATE_WAS_ABORTED 0x0800 513163953Srrs#define SCTP_STATE_MASK 0x007f 514163953Srrs 515163953Srrs#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 516171943Srrs#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate) 517172703Srrs#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate) 518172703Srrs#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate) 519163953Srrs 520163953Srrs/* SCTP reachability state for each address */ 521163953Srrs#define SCTP_ADDR_REACHABLE 0x001 522163953Srrs#define SCTP_ADDR_NOT_REACHABLE 0x002 523163953Srrs#define SCTP_ADDR_NOHB 0x004 524163953Srrs#define SCTP_ADDR_BEING_DELETED 0x008 525163953Srrs#define SCTP_ADDR_NOT_IN_ASSOC 0x010 526163953Srrs#define SCTP_ADDR_WAS_PRIMARY 0x020 527163953Srrs#define SCTP_ADDR_SWITCH_PRIMARY 0x040 528163953Srrs#define SCTP_ADDR_OUT_OF_SCOPE 0x080 529163953Srrs#define SCTP_ADDR_DOUBLE_SWITCH 0x100 530163953Srrs#define SCTP_ADDR_UNCONFIRMED 0x200 531167598Srrs#define SCTP_ADDR_REQ_PRIMARY 0x400 532171440Srrs/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 533171440Srrs#define SCTP_ADDR_PF 0x800 534163953Srrs#define SCTP_REACHABLE_MASK 0x203 535163953Srrs 536163953Srrs/* bound address types (e.g. valid address types to allow) */ 537163953Srrs#define SCTP_BOUND_V6 0x01 538163953Srrs#define SCTP_BOUND_V4 0x02 539163953Srrs 540163953Srrs/* 541163953Srrs * what is the default number of mbufs in a chain I allow before switching to 542163953Srrs * a cluster 543163953Srrs */ 544163953Srrs#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 545163953Srrs 546169655Srrs/* How long a cookie lives in milli-seconds */ 547169655Srrs#define SCTP_DEFAULT_COOKIE_LIFE 60000 548163953Srrs 549163953Srrs/* resource limit of streams */ 550163953Srrs#define MAX_SCTP_STREAMS 2048 551163953Srrs 552163953Srrs/* Maximum the mapping array will grow to (TSN mapping array) */ 553163953Srrs#define SCTP_MAPPING_ARRAY 512 554163953Srrs 555163953Srrs/* size of the inital malloc on the mapping array */ 556163953Srrs#define SCTP_INITIAL_MAPPING_ARRAY 16 557163953Srrs/* how much we grow the mapping array each call */ 558163953Srrs#define SCTP_MAPPING_ARRAY_INCR 32 559185694Srrs/* EY 05/13/08 - nr_sack version of the previous 3 constants */ 560185694Srrs/* Maximum the nr mapping array will grow to (TSN mapping array) */ 561185694Srrs#define SCTP_NR_MAPPING_ARRAY 512 562185694Srrs/* size of the inital malloc on the nr mapping array */ 563185694Srrs#define SCTP_INITIAL_NR_MAPPING_ARRAY 16 564185694Srrs/* how much we grow the nr mapping array each call */ 565185694Srrs#define SCTP_NR_MAPPING_ARRAY_INCR 32 566163953Srrs/* 567163953Srrs * Here we define the timer types used by the implementation as arguments in 568163953Srrs * the set/get timer type calls. 569163953Srrs */ 570163953Srrs#define SCTP_TIMER_INIT 0 571163953Srrs#define SCTP_TIMER_RECV 1 572163953Srrs#define SCTP_TIMER_SEND 2 573163953Srrs#define SCTP_TIMER_HEARTBEAT 3 574163953Srrs#define SCTP_TIMER_PMTU 4 575163953Srrs#define SCTP_TIMER_MAXSHUTDOWN 5 576163953Srrs#define SCTP_TIMER_SIGNATURE 6 577163953Srrs/* 578163953Srrs * number of timer types in the base SCTP structure used in the set/get and 579163953Srrs * has the base default. 580163953Srrs */ 581163953Srrs#define SCTP_NUM_TMRS 7 582163953Srrs 583163953Srrs/* timer types */ 584163953Srrs#define SCTP_TIMER_TYPE_NONE 0 585163953Srrs#define SCTP_TIMER_TYPE_SEND 1 586163953Srrs#define SCTP_TIMER_TYPE_INIT 2 587163953Srrs#define SCTP_TIMER_TYPE_RECV 3 588163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWN 4 589163953Srrs#define SCTP_TIMER_TYPE_HEARTBEAT 5 590163953Srrs#define SCTP_TIMER_TYPE_COOKIE 6 591163953Srrs#define SCTP_TIMER_TYPE_NEWCOOKIE 7 592163953Srrs#define SCTP_TIMER_TYPE_PATHMTURAISE 8 593163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 594163953Srrs#define SCTP_TIMER_TYPE_ASCONF 10 595163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 596163953Srrs#define SCTP_TIMER_TYPE_AUTOCLOSE 12 597163953Srrs#define SCTP_TIMER_TYPE_EVENTWAKE 13 598163953Srrs#define SCTP_TIMER_TYPE_STRRESET 14 599163953Srrs#define SCTP_TIMER_TYPE_INPKILL 15 600163953Srrs#define SCTP_TIMER_TYPE_ITERATOR 16 601163953Srrs#define SCTP_TIMER_TYPE_EARLYFR 17 602163953Srrs#define SCTP_TIMER_TYPE_ASOCKILL 18 603163953Srrs#define SCTP_TIMER_TYPE_ADDR_WQ 19 604170056Srrs#define SCTP_TIMER_TYPE_ZERO_COPY 20 605170181Srrs#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21 606172091Srrs#define SCTP_TIMER_TYPE_PRIM_DELETED 22 607163953Srrs/* add new timers here - and increment LAST */ 608172091Srrs#define SCTP_TIMER_TYPE_LAST 23 609163953Srrs 610163953Srrs#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 611163953Srrs ((t) < SCTP_TIMER_TYPE_LAST)) 612163953Srrs 613163953Srrs 614163953Srrs 615163953Srrs/* max number of TSN's dup'd that I will hold */ 616163953Srrs#define SCTP_MAX_DUP_TSNS 20 617163953Srrs 618163953Srrs/* 619163953Srrs * Here we define the types used when setting the retry amounts. 620163953Srrs */ 621163953Srrs/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 622163953Srrs#define SCTP_RETRY_DROPPED_THRESH 4 623163953Srrs 624163953Srrs/* 625163953Srrs * Maxmium number of chunks a single association can have on it. Note that 626163953Srrs * this is a squishy number since the count can run over this if the user 627163953Srrs * sends a large message down .. the fragmented chunks don't count until 628163953Srrs * AFTER the message is on queue.. it would be the next send that blocks 629163953Srrs * things. This number will get tuned up at boot in the sctp_init and use the 630163953Srrs * number of clusters as a base. This way high bandwidth environments will 631163953Srrs * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 632163953Srrs */ 633163953Srrs#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 634163953Srrs 635172091Srrs 636167598Srrs/* The conversion from time to ticks and vice versa is done by rounding 637167598Srrs * upwards. This way we can test in the code the time to be positive and 638167598Srrs * know that this corresponds to a positive number of ticks. 639167598Srrs */ 640167598Srrs#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 641167598Srrs#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 642163953Srrs 643163953Srrs#define SEC_TO_TICKS(x) ((x) * hz) 644167598Srrs#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 645163953Srrs 646163953Srrs/* 647163953Srrs * Basically the minimum amount of time before I do a early FR. Making this 648163953Srrs * value to low will cause duplicate retransmissions. 649163953Srrs */ 650163953Srrs#define SCTP_MINFR_MSEC_TIMER 250 651163953Srrs/* The floor this value is allowed to fall to when starting a timer. */ 652163953Srrs#define SCTP_MINFR_MSEC_FLOOR 20 653163953Srrs 654163953Srrs/* init timer def = 1 sec */ 655163953Srrs#define SCTP_INIT_SEC 1 656163953Srrs 657163953Srrs/* send timer def = 1 seconds */ 658163953Srrs#define SCTP_SEND_SEC 1 659163953Srrs 660163953Srrs/* recv timer def = 200ms */ 661163953Srrs#define SCTP_RECV_MSEC 200 662163953Srrs 663163953Srrs/* 30 seconds + RTO (in ms) */ 664163953Srrs#define SCTP_HB_DEFAULT_MSEC 30000 665163953Srrs 666163953Srrs/* Max time I will wait for Shutdown to complete */ 667163953Srrs#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 668163953Srrs 669163953Srrs 670163953Srrs/* 671163953Srrs * This is how long a secret lives, NOT how long a cookie lives how many 672163953Srrs * ticks the current secret will live. 673163953Srrs */ 674163953Srrs#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 675163953Srrs 676163953Srrs#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 677163953Srrs#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 678163953Srrs#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 679163953Srrs#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 680163953Srrs 681163953Srrs 682163953Srrs#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 683163953Srrs#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 684163953Srrs 685163953Srrs#define SCTP_DEF_MAX_INIT 8 686163953Srrs#define SCTP_DEF_MAX_SEND 10 687170056Srrs#define SCTP_DEF_MAX_PATH_RTX 5 688163953Srrs 689163953Srrs#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 690163953Srrs 691170056Srrs 692163953Srrs/* How many streams I request initally by default */ 693163953Srrs#define SCTP_OSTREAM_INITIAL 10 694163953Srrs 695163953Srrs/* 696163953Srrs * How many smallest_mtu's need to increase before a window update sack is 697163953Srrs * sent (should be a power of 2). 698163953Srrs */ 699163953Srrs/* Send window update (incr * this > hiwat). Should be a power of 2 */ 700163953Srrs#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 701163953Srrs 702170606Srrs#define SCTP_ADDRMAX 24 703163953Srrs 704163953Srrs/* SCTP DEBUG Switch parameters */ 705163953Srrs#define SCTP_DEBUG_TIMER1 0x00000001 706170181Srrs#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 707170181Srrs#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 708163953Srrs#define SCTP_DEBUG_TIMER4 0x00000008 709163953Srrs#define SCTP_DEBUG_OUTPUT1 0x00000010 710163953Srrs#define SCTP_DEBUG_OUTPUT2 0x00000020 711163953Srrs#define SCTP_DEBUG_OUTPUT3 0x00000040 712163953Srrs#define SCTP_DEBUG_OUTPUT4 0x00000080 713163953Srrs#define SCTP_DEBUG_UTIL1 0x00000100 714170181Srrs#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 715163953Srrs#define SCTP_DEBUG_AUTH1 0x00000400 716170181Srrs#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 717163953Srrs#define SCTP_DEBUG_INPUT1 0x00001000 718163953Srrs#define SCTP_DEBUG_INPUT2 0x00002000 719163953Srrs#define SCTP_DEBUG_INPUT3 0x00004000 720170181Srrs#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 721163953Srrs#define SCTP_DEBUG_ASCONF1 0x00010000 722163953Srrs#define SCTP_DEBUG_ASCONF2 0x00020000 723170181Srrs#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 724170181Srrs#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 725163953Srrs#define SCTP_DEBUG_PCB1 0x00100000 726170181Srrs#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 727163953Srrs#define SCTP_DEBUG_PCB3 0x00400000 728172266Srrs#define SCTP_DEBUG_PCB4 0x00800000 729163953Srrs#define SCTP_DEBUG_INDATA1 0x01000000 730170181Srrs#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 731170181Srrs#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 732188067Srrs#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 733170181Srrs#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 734170181Srrs#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 735163953Srrs#define SCTP_DEBUG_PEEL1 0x40000000 736170181Srrs#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 737163953Srrs#define SCTP_DEBUG_ALL 0x7ff3ffff 738163953Srrs#define SCTP_DEBUG_NOISY 0x00040000 739163953Srrs 740163953Srrs/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 741163953Srrs#define SCTP_SWS_SENDER_DEF 1420 742163953Srrs 743163953Srrs/* 744163953Srrs * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 745163953Srrs * would be hiwat/2 etc. 746163953Srrs */ 747163953Srrs/* What receiver needs to see in sockbuf or we tell peer its 1 */ 748163953Srrs#define SCTP_SWS_RECEIVER_DEF 3000 749163953Srrs 750163953Srrs#define SCTP_INITIAL_CWND 4380 751163953Srrs 752188067Srrs#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 753163953Srrs/* amount peer is obligated to have in rwnd or I will abort */ 754163953Srrs#define SCTP_MIN_RWND 1500 755163953Srrs 756163953Srrs#define SCTP_DEFAULT_MAXSEGMENT 65535 757163953Srrs 758170642Srrs#define SCTP_CHUNK_BUFFER_SIZE 512 759166675Srrs#define SCTP_PARAM_BUFFER_SIZE 512 760163953Srrs 761171990Srrs/* small chunk store for looking at chunk_list in auth */ 762171990Srrs#define SCTP_SMALL_CHUNK_STORE 260 763171990Srrs 764163953Srrs#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 765163953Srrs#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 766163953Srrs 767163953Srrs#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 768163953Srrs#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 769163953Srrs 770163953Srrs 771163953Srrs/* 772163953Srrs * SCTP upper layer notifications 773163953Srrs */ 774185694Srrs#define SCTP_NOTIFY_ASSOC_UP 1 775185694Srrs#define SCTP_NOTIFY_ASSOC_DOWN 2 776185694Srrs#define SCTP_NOTIFY_INTERFACE_DOWN 3 777185694Srrs#define SCTP_NOTIFY_INTERFACE_UP 4 778185694Srrs#define SCTP_NOTIFY_DG_FAIL 5 779185694Srrs#define SCTP_NOTIFY_STRDATA_ERR 6 780185694Srrs#define SCTP_NOTIFY_ASSOC_ABORTED 7 781185694Srrs#define SCTP_NOTIFY_PEER_OPENED_STREAM 8 782185694Srrs#define SCTP_NOTIFY_STREAM_OPENED_OK 9 783185694Srrs#define SCTP_NOTIFY_ASSOC_RESTART 10 784185694Srrs#define SCTP_NOTIFY_HB_RESP 11 785185694Srrs#define SCTP_NOTIFY_ASCONF_SUCCESS 12 786185694Srrs#define SCTP_NOTIFY_ASCONF_FAILED 13 787185694Srrs#define SCTP_NOTIFY_PEER_SHUTDOWN 14 788185694Srrs#define SCTP_NOTIFY_ASCONF_ADD_IP 15 789185694Srrs#define SCTP_NOTIFY_ASCONF_DELETE_IP 16 790185694Srrs#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 791163953Srrs#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 792185694Srrs#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 793185694Srrs#define SCTP_NOTIFY_STR_RESET_RECV 21 794185694Srrs#define SCTP_NOTIFY_STR_RESET_SEND 22 795185694Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 796185694Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 797185694Srrs#define SCTP_NOTIFY_AUTH_NEW_KEY 25 798185694Srrs#define SCTP_NOTIFY_AUTH_FREE_KEY 26 799185694Srrs#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 800185694Srrs#define SCTP_NOTIFY_NO_PEER_AUTH 28 801185694Srrs#define SCTP_NOTIFY_SENDER_DRY 29 802188854Srrs#define SCTP_NOTIFY_STR_RESET_ADD_OK 30 803188854Srrs#define SCTP_NOTIFY_STR_RESET_ADD_FAIL 31 804188854Srrs#define SCTP_NOTIFY_STR_RESET_INSTREAM_ADD_OK 32 805188854Srrs#define SCTP_NOTIFY_MAX 32 806163953Srrs 807188854Srrs 808163953Srrs/* This is the value for messages that are NOT completely 809163953Srrs * copied down where we will start to split the message. 810163953Srrs * So, with our default, we split only if the piece we 811163953Srrs * want to take will fill up a full MTU (assuming 812163953Srrs * a 1500 byte MTU). 813163953Srrs */ 814168124Srrs#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 815163953Srrs 816165220Srrs/* ABORT CODES and other tell-tale location 817165220Srrs * codes are generated by adding the below 818165220Srrs * to the instance id. 819165220Srrs */ 820165220Srrs 821165220Srrs/* File defines */ 822165220Srrs#define SCTP_FROM_SCTP_INPUT 0x10000000 823165220Srrs#define SCTP_FROM_SCTP_PCB 0x20000000 824165220Srrs#define SCTP_FROM_SCTP_INDATA 0x30000000 825165220Srrs#define SCTP_FROM_SCTP_TIMER 0x40000000 826165220Srrs#define SCTP_FROM_SCTP_USRREQ 0x50000000 827165220Srrs#define SCTP_FROM_SCTPUTIL 0x60000000 828165220Srrs#define SCTP_FROM_SCTP6_USRREQ 0x70000000 829165220Srrs#define SCTP_FROM_SCTP_ASCONF 0x80000000 830165220Srrs#define SCTP_FROM_SCTP_OUTPUT 0x90000000 831165220Srrs#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 832170056Srrs#define SCTP_FROM_SCTP_PANDA 0xb0000000 833171943Srrs#define SCTP_FROM_SCTP_SYSCTL 0xc0000000 834165220Srrs 835165220Srrs/* Location ID's */ 836165220Srrs#define SCTP_LOC_1 0x00000001 837165220Srrs#define SCTP_LOC_2 0x00000002 838165220Srrs#define SCTP_LOC_3 0x00000003 839165220Srrs#define SCTP_LOC_4 0x00000004 840165220Srrs#define SCTP_LOC_5 0x00000005 841165220Srrs#define SCTP_LOC_6 0x00000006 842165220Srrs#define SCTP_LOC_7 0x00000007 843165220Srrs#define SCTP_LOC_8 0x00000008 844165220Srrs#define SCTP_LOC_9 0x00000009 845165220Srrs#define SCTP_LOC_10 0x0000000a 846165220Srrs#define SCTP_LOC_11 0x0000000b 847165220Srrs#define SCTP_LOC_12 0x0000000c 848165220Srrs#define SCTP_LOC_13 0x0000000d 849165220Srrs#define SCTP_LOC_14 0x0000000e 850165220Srrs#define SCTP_LOC_15 0x0000000f 851165220Srrs#define SCTP_LOC_16 0x00000010 852165220Srrs#define SCTP_LOC_17 0x00000011 853165220Srrs#define SCTP_LOC_18 0x00000012 854165220Srrs#define SCTP_LOC_19 0x00000013 855165220Srrs#define SCTP_LOC_20 0x00000014 856165220Srrs#define SCTP_LOC_21 0x00000015 857165220Srrs#define SCTP_LOC_22 0x00000016 858165220Srrs#define SCTP_LOC_23 0x00000017 859165220Srrs#define SCTP_LOC_24 0x00000018 860165220Srrs#define SCTP_LOC_25 0x00000019 861165220Srrs#define SCTP_LOC_26 0x0000001a 862165220Srrs#define SCTP_LOC_27 0x0000001b 863165220Srrs#define SCTP_LOC_28 0x0000001c 864165220Srrs#define SCTP_LOC_29 0x0000001d 865165220Srrs#define SCTP_LOC_30 0x0000001e 866165220Srrs#define SCTP_LOC_31 0x0000001f 867165220Srrs#define SCTP_LOC_32 0x00000020 868169352Srrs#define SCTP_LOC_33 0x00000021 869165220Srrs 870165220Srrs 871165220Srrs/* Free assoc codes */ 872165220Srrs#define SCTP_NORMAL_PROC 0 873165220Srrs#define SCTP_PCBFREE_NOFORCE 1 874165220Srrs#define SCTP_PCBFREE_FORCE 2 875165220Srrs 876165220Srrs/* From codes for adding addresses */ 877165220Srrs#define SCTP_ADDR_IS_CONFIRMED 8 878165220Srrs#define SCTP_ADDR_DYNAMIC_ADDED 6 879165220Srrs#define SCTP_IN_COOKIE_PROC 100 880165220Srrs#define SCTP_ALLOC_ASOC 1 881165220Srrs#define SCTP_LOAD_ADDR_2 2 882165220Srrs#define SCTP_LOAD_ADDR_3 3 883165220Srrs#define SCTP_LOAD_ADDR_4 4 884165220Srrs#define SCTP_LOAD_ADDR_5 5 885165220Srrs 886165220Srrs#define SCTP_DONOT_SETSCOPE 0 887165220Srrs#define SCTP_DO_SETSCOPE 1 888165220Srrs 889165220Srrs 890163953Srrs/* This value determines the default for when 891163953Srrs * we try to add more on the send queue., if 892163953Srrs * there is room. This prevents us from cycling 893163953Srrs * into the copy_resume routine to often if 894163953Srrs * we have not got enough space to add a decent 895163953Srrs * enough size message. Note that if we have enough 896163953Srrs * space to complete the message copy we will always 897163953Srrs * add to the message, no matter what the size. Its 898163953Srrs * only when we reach the point that we have some left 899163953Srrs * to add, there is only room for part of it that we 900163953Srrs * will use this threshold. Its also a sysctl. 901163953Srrs */ 902163953Srrs#define SCTP_DEFAULT_ADD_MORE 1452 903163953Srrs 904163953Srrs#ifndef SCTP_PCBHASHSIZE 905163953Srrs/* default number of association hash buckets in each endpoint */ 906163953Srrs#define SCTP_PCBHASHSIZE 256 907163953Srrs#endif 908163953Srrs#ifndef SCTP_TCBHASHSIZE 909163953Srrs#define SCTP_TCBHASHSIZE 1024 910163953Srrs#endif 911163953Srrs 912163953Srrs#ifndef SCTP_CHUNKQUEUE_SCALE 913163953Srrs#define SCTP_CHUNKQUEUE_SCALE 10 914163953Srrs#endif 915163953Srrs 916163953Srrs/* clock variance is 1 ms */ 917163953Srrs#define SCTP_CLOCK_GRANULARITY 1 918163953Srrs#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 919163953Srrs * detracts a small amount for ipv4 but it 920163953Srrs * simplifies the ipv6 addition */ 921163953Srrs 922169380Srrs/* Argument magic number for sctp_inpcb_free() */ 923169380Srrs 924169380Srrs/* third argument */ 925169380Srrs#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 926169380Srrs#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 927169380Srrs 928169380Srrs/* second argument */ 929169380Srrs#define SCTP_FREE_SHOULD_USE_ABORT 1 930169380Srrs#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 931169380Srrs 932163953Srrs#ifndef IPPROTO_SCTP 933163953Srrs#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 934163953Srrs#endif /* !IPPROTO_SCTP */ 935163953Srrs 936163953Srrs#define SCTP_MAX_DATA_BUNDLING 256 937163953Srrs 938163953Srrs/* modular comparison */ 939163953Srrs/* True if a > b (mod = M) */ 940163953Srrs#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 941163953Srrs ((b > a) && ((b - a) > ((M >> 1) + 1)))) 942163953Srrs 943163953Srrs 944163953Srrs/* Mapping array manipulation routines */ 945163953Srrs#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 946163953Srrs#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 947163953Srrs#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 948163953Srrs 949163953Srrs 950168124Srrs#define SCTP_RETRAN_DONE -1 951168124Srrs#define SCTP_RETRAN_EXIT -2 952168124Srrs 953163953Srrs/* 954163953Srrs * This value defines the number of vtag block time wait entry's per list 955163953Srrs * element. Each entry will take 2 4 byte ints (and of course the overhead 956163953Srrs * of the next pointer as well). Using 15 as an example will yield * ((8 * 957163953Srrs * 15) + 8) or 128 bytes of overhead for each timewait block that gets 958163953Srrs * initialized. Increasing it to 31 would yeild 256 bytes per block. 959163953Srrs */ 960163953Srrs#define SCTP_NUMBER_IN_VTAG_BLOCK 15 961163953Srrs/* 962163953Srrs * If we use the STACK option, we have an array of this size head pointers. 963163953Srrs * This array is mod'd the with the size to find which bucket and then all 964163953Srrs * entries must be searched to see if the tag is in timed wait. If so we 965163953Srrs * reject it. 966163953Srrs */ 967184883Srrs#define SCTP_STACK_VTAG_HASH_SIZE 32 968163953Srrs 969163953Srrs/* 970173179Srrs * Number of seconds of time wait for a vtag. 971163953Srrs */ 972173179Srrs#define SCTP_TIME_WAIT 60 973163953Srrs 974163953Srrs/* The system retains a cache of free chunks such to 975163953Srrs * cut down on calls the memory allocation system. There 976163953Srrs * is a per association limit of free items and a overall 977163953Srrs * system limit. If either one gets hit then the resource 978163953Srrs * stops being cached. 979163953Srrs */ 980163953Srrs 981163953Srrs#define SCTP_DEF_ASOC_RESC_LIMIT 10 982163953Srrs#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 983163953Srrs 984172090Srrs/*- 985172090Srrs * defines for socket lock states. 986172090Srrs * Used by __APPLE__ and SCTP_SO_LOCK_TESTING 987172090Srrs */ 988172090Srrs#define SCTP_SO_LOCKED 1 989172090Srrs#define SCTP_SO_NOT_LOCKED 0 990163953Srrs 991172090Srrs 992172396Srrs#define SCTP_HOLDS_LOCK 1 993172396Srrs#define SCTP_NOT_LOCKED 0 994172396Srrs 995172091Srrs/*- 996172091Srrs * For address locks, do we hold the lock? 997172091Srrs */ 998172091Srrs#define SCTP_ADDR_LOCKED 1 999172091Srrs#define SCTP_ADDR_NOT_LOCKED 0 1000172091Srrs 1001163953Srrs#define IN4_ISPRIVATE_ADDRESS(a) \ 1002166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 1003166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 1004166675Srrs (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 1005166675Srrs (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 1006166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 1007166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 168))) 1008163953Srrs 1009163953Srrs#define IN4_ISLOOPBACK_ADDRESS(a) \ 1010166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 1011166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 1012166675Srrs (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 1013166675Srrs (((uint8_t *)&(a)->s_addr)[3] == 1)) 1014163953Srrs 1015163953Srrs 1016163953Srrs#if defined(_KERNEL) 1017163953Srrs 1018163953Srrs#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 1019163953Srrs#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 1020180387Srrs#endif 1021163953Srrs/*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 1022163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 1023163953Srrs/* (x)->tv_sec = ticks / 1000; \*/ 1024163953Srrs/* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 1025163953Srrs/*}*/ 1026163953Srrs 1027163953Srrs/*#else*/ 1028163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 1029163953Srrs/*#endif __FreeBSD__ */ 1030163953Srrs 1031180387Srrs#if defined(_KERNEL) || defined(__Userspace__) 1032163953Srrs#define sctp_sowwakeup(inp, so) \ 1033163953Srrsdo { \ 1034163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1035163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1036163953Srrs } else { \ 1037163953Srrs sowwakeup(so); \ 1038163953Srrs } \ 1039163953Srrs} while (0) 1040163953Srrs 1041163953Srrs#define sctp_sowwakeup_locked(inp, so) \ 1042163953Srrsdo { \ 1043163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1044163953Srrs SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1045163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1046163953Srrs } else { \ 1047163953Srrs sowwakeup_locked(so); \ 1048163953Srrs } \ 1049163953Srrs} while (0) 1050163953Srrs 1051163953Srrs#define sctp_sorwakeup(inp, so) \ 1052163953Srrsdo { \ 1053163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1054163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1055163953Srrs } else { \ 1056163953Srrs sorwakeup(so); \ 1057163953Srrs } \ 1058163953Srrs} while (0) 1059163953Srrs 1060163953Srrs#define sctp_sorwakeup_locked(inp, so) \ 1061163953Srrsdo { \ 1062163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1063163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1064163953Srrs SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1065163953Srrs } else { \ 1066163953Srrs sorwakeup_locked(so); \ 1067163953Srrs } \ 1068163953Srrs} while (0) 1069163953Srrs 1070180387Srrs#endif /* _KERNEL || __Userspace__ */ 1071163953Srrs#endif 1072