sctp_constants.h revision 248953
11590Srgrimes/*- 21590Srgrimes * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 31590Srgrimes * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 497377Sdes * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 597377Sdes * 61590Srgrimes * Redistribution and use in source and binary forms, with or without 797377Sdes * modification, are permitted provided that the following conditions are met: 897377Sdes * 997377Sdes * a) Redistributions of source code must retain the above copyright notice, 1097377Sdes * this list of conditions and the following disclaimer. 1197377Sdes * 121590Srgrimes * b) Redistributions in binary form must reproduce the above copyright 131590Srgrimes * notice, this list of conditions and the following disclaimer in 141590Srgrimes * the documentation and/or other materials provided with the distribution. 151590Srgrimes * 161590Srgrimes * c) Neither the name of Cisco Systems, Inc. nor the names of its 171590Srgrimes * contributors may be used to endorse or promote products derived 181590Srgrimes * from this software without specific prior written permission. 191590Srgrimes * 201590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 211590Srgrimes * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 221590Srgrimes * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 241590Srgrimes * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 251590Srgrimes * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 261590Srgrimes * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 271590Srgrimes * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 281590Srgrimes * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 291590Srgrimes * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 301590Srgrimes * THE POSSIBILITY OF SUCH DAMAGE. 311590Srgrimes */ 321590Srgrimes 331590Srgrimes#include <sys/cdefs.h> 341590Srgrimes__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 248953 2013-03-31 18:27:46Z tuexen $"); 351590Srgrimes 361590Srgrimes#ifndef _NETINET_SCTP_CONSTANTS_H_ 371590Srgrimes#define _NETINET_SCTP_CONSTANTS_H_ 381590Srgrimes 391590Srgrimes/* IANA assigned port number for SCTP over UDP encapsulation */ 401590Srgrimes/* For freebsd we cannot bind the port at 411590Srgrimes * startup. Otherwise what will happen is 4214440Smarkm * we really won't be bound. The user must 431590Srgrimes * put it into the sysctl... or we need 441590Srgrimes * to build a special timer for this to allow 451590Srgrimes * us to wait 1 second or so after the system 461590Srgrimes * comes up. 471590Srgrimes */ 4828099Scharnier#define SCTP_OVER_UDP_TUNNELING_PORT 0 491590Srgrimes/* Number of packets to get before sack sent by default */ 5028099Scharnier#define SCTP_DEFAULT_SACK_FREQ 2 5114440Smarkm 5250477Speter/* Address limit - This variable is calculated 531590Srgrimes * based on an 65535 byte max ip packet. We take out 100 bytes 541590Srgrimes * for the cookie, 40 bytes for a v6 header and 32 551590Srgrimes * bytes for the init structure. A second init structure 561590Srgrimes * for the init-ack and then finally a third one for the 571590Srgrimes * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 5877220Smarkm * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 591590Srgrimes * Now whatever we send in the INIT() we need to allow to get back in the 601590Srgrimes * INIT-ACK plus all the values from INIT and INIT-ACK 611590Srgrimes * listed in the cookie. Plus we need some overhead for 621590Srgrimes * maybe copied parameters in the COOKIE. If we 6377220Smarkm * allow 1080 addresses, and each side has 1080 V6 addresses 6477220Smarkm * that will be 21600 bytes. In the INIT-ACK we will 651590Srgrimes * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 661590Srgrimes * about 500 bytes slack for misc things in the cookie. 6777220Smarkm */ 681590Srgrimes#define SCTP_ADDRESS_LIMIT 1080 691590Srgrimes 701590Srgrimes/* We need at least 2k of space for us, inits 711590Srgrimes * larger than that lets abort. 721590Srgrimes */ 7321646Sdavidn#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 7474874Smarkm 7591745Sdes/* Number of addresses where we just skip the counting */ 7674874Smarkm#define SCTP_COUNT_LIMIT 40 7781528Smarkm 7877220Smarkm#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 7977220Smarkm#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 8077220Smarkm 8177220Smarkm/* Number of ticks to delay before running 8277220Smarkm * iterator on an address change. 8377220Smarkm */ 8477220Smarkm#define SCTP_ADDRESS_TICK_DELAY 2 8577220Smarkm 8677220Smarkm#define SCTP_VERSION_STRING "KAME-BSD 1.1" 8777220Smarkm/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 8877220Smarkm#define SCTP_AUDIT_SIZE 256 8977220Smarkm 9074874Smarkm 9174874Smarkm#define SCTP_KTRHEAD_NAME "sctp_iterator" 9277220Smarkm#define SCTP_KTHREAD_PAGES 0 9377220Smarkm 9477220Smarkm#define SCTP_MCORE_NAME "sctp_core_worker" 9577220Smarkm 9677220Smarkm 9777220Smarkm/* If you support Multi-VRF how big to 9877220Smarkm * make the initial array of VRF's to. 9977220Smarkm */ 10077220Smarkm#define SCTP_DEFAULT_VRF_SIZE 4 10177220Smarkm 1023702Spst/* constants for rto calc */ 10377220Smarkm#define sctp_align_safe_nocopy 0 1041590Srgrimes#define sctp_align_unsafe_makecopy 1 10577220Smarkm 10677220Smarkm/* JRS - Values defined for the HTCP algorithm */ 10777220Smarkm#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 10877220Smarkm#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 10977220Smarkm#define BETA_MAX 102 /* 0.8 with shift << 7 */ 11077220Smarkm 11177220Smarkm/* Places that CWND log can happen from */ 11277220Smarkm#define SCTP_CWND_LOG_FROM_FR 1 11377220Smarkm#define SCTP_CWND_LOG_FROM_RTX 2 11477220Smarkm#define SCTP_CWND_LOG_FROM_BRST 3 11577220Smarkm#define SCTP_CWND_LOG_FROM_SS 4 11677220Smarkm#define SCTP_CWND_LOG_FROM_CA 5 1171590Srgrimes#define SCTP_CWND_LOG_FROM_SAT 6 11877220Smarkm#define SCTP_BLOCK_LOG_INTO_BLK 7 1191590Srgrimes#define SCTP_BLOCK_LOG_OUTOF_BLK 8 12077220Smarkm#define SCTP_BLOCK_LOG_CHECK 9 12191745Sdes#define SCTP_STR_LOG_FROM_INTO_STRD 10 12277220Smarkm#define SCTP_STR_LOG_FROM_IMMED_DEL 11 12377220Smarkm#define SCTP_STR_LOG_FROM_INSERT_HD 12 12483373Smarkm#define SCTP_STR_LOG_FROM_INSERT_MD 13 12583373Smarkm#define SCTP_STR_LOG_FROM_INSERT_TL 14 12683373Smarkm#define SCTP_STR_LOG_FROM_MARK_TSN 15 12797377Sdes#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 12877220Smarkm#define SCTP_FR_LOG_BIGGEST_TSNS 17 12977220Smarkm#define SCTP_FR_LOG_STRIKE_TEST 18 130101446Sache#define SCTP_FR_LOG_STRIKE_CHUNK 19 13189746Sdes#define SCTP_FR_T3_TIMEOUT 20 13283373Smarkm#define SCTP_MAP_PREPARE_SLIDE 21 1331590Srgrimes#define SCTP_MAP_SLIDE_FROM 22 13498837Sdillon#define SCTP_MAP_SLIDE_RESULT 23 13598837Sdillon#define SCTP_MAP_SLIDE_CLEARED 24 13677220Smarkm#define SCTP_MAP_SLIDE_NONE 25 13777220Smarkm#define SCTP_FR_T3_MARK_TIME 26 13810586Sjoerg#define SCTP_FR_T3_MARKED 27 13977220Smarkm#define SCTP_FR_T3_STOPPED 28 14077220Smarkm#define SCTP_FR_MARKED 30 14181703Sru#define SCTP_CWND_LOG_NOADV_SS 31 14277220Smarkm#define SCTP_CWND_LOG_NOADV_CA 32 1431590Srgrimes#define SCTP_MAX_BURST_APPLIED 33 1441590Srgrimes#define SCTP_MAX_IFP_APPLIED 34 1451590Srgrimes#define SCTP_MAX_BURST_ERROR_STOP 35 1461590Srgrimes#define SCTP_INCREASE_PEER_RWND 36 1471590Srgrimes#define SCTP_DECREASE_PEER_RWND 37 1481590Srgrimes#define SCTP_SET_PEER_RWND_VIA_SACK 38 1491590Srgrimes#define SCTP_LOG_MBCNT_INCREASE 39 1501590Srgrimes#define SCTP_LOG_MBCNT_DECREASE 40 1511590Srgrimes#define SCTP_LOG_MBCNT_CHKSET 41 1521590Srgrimes#define SCTP_LOG_NEW_SACK 42 1531590Srgrimes#define SCTP_LOG_TSN_ACKED 43 1541590Srgrimes#define SCTP_LOG_TSN_REVOKED 44 15530793Sguido#define SCTP_LOG_LOCK_TCB 45 15630793Sguido#define SCTP_LOG_LOCK_INP 46 15730793Sguido#define SCTP_LOG_LOCK_SOCK 47 1581590Srgrimes#define SCTP_LOG_LOCK_SOCKBUF_R 48 1591590Srgrimes#define SCTP_LOG_LOCK_SOCKBUF_S 49 16028099Scharnier#define SCTP_LOG_LOCK_CREATE 50 16128099Scharnier#define SCTP_LOG_INITIAL_RTT 51 16239538Sroberto#define SCTP_LOG_RTTVAR 52 16339538Sroberto#define SCTP_LOG_SBALLOC 53 16410586Sjoerg#define SCTP_LOG_SBFREE 54 16510586Sjoerg#define SCTP_LOG_SBRESULT 55 16628612Sjoerg#define SCTP_FR_DUPED 56 16728612Sjoerg#define SCTP_FR_MARKED_EARLY 57 16828612Sjoerg#define SCTP_FR_CWND_REPORT 58 16977220Smarkm#define SCTP_FR_CWND_REPORT_START 59 17077220Smarkm#define SCTP_FR_CWND_REPORT_STOP 60 17110586Sjoerg#define SCTP_CWND_LOG_FROM_SEND 61 17277220Smarkm#define SCTP_CWND_INITIALIZATION 62 17377220Smarkm#define SCTP_CWND_LOG_FROM_T3 63 17477220Smarkm#define SCTP_CWND_LOG_FROM_SACK 64 17577220Smarkm#define SCTP_CWND_LOG_NO_CUMACK 65 17610586Sjoerg#define SCTP_CWND_LOG_FROM_RESEND 66 17710586Sjoerg#define SCTP_FR_LOG_CHECK_STRIKE 67 17877220Smarkm#define SCTP_SEND_NOW_COMPLETES 68 17983373Smarkm#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 18010586Sjoerg#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 1811590Srgrimes#define SCTP_LOG_FREE_SENT 71 1821590Srgrimes#define SCTP_NAGLE_APPLIED 72 1831590Srgrimes#define SCTP_NAGLE_SKIPPED 73 1841590Srgrimes#define SCTP_WAKESND_FROM_SACK 74 1851590Srgrimes#define SCTP_WAKESND_FROM_FWDTSN 75 1861590Srgrimes#define SCTP_NOWAKE_FROM_SACK 76 18777220Smarkm#define SCTP_CWNDLOG_PRESEND 77 18877220Smarkm#define SCTP_CWNDLOG_ENDSEND 78 18974874Smarkm#define SCTP_AT_END_OF_SACK 79 1901590Srgrimes#define SCTP_REASON_FOR_SC 80 19177220Smarkm#define SCTP_BLOCK_LOG_INTO_BLKA 81 1921590Srgrimes#define SCTP_ENTER_USER_RECV 82 1931590Srgrimes#define SCTP_USER_RECV_SACKS 83 19477220Smarkm#define SCTP_SORECV_BLOCKSA 84 19577220Smarkm#define SCTP_SORECV_BLOCKSB 85 1961590Srgrimes#define SCTP_SORECV_DONE 86 1971590Srgrimes#define SCTP_SACK_RWND_UPDATE 87 1981590Srgrimes#define SCTP_SORECV_ENTER 88 19977220Smarkm#define SCTP_SORECV_ENTERPL 89 2001590Srgrimes#define SCTP_MBUF_INPUT 90 2011590Srgrimes#define SCTP_MBUF_IALLOC 91 20277220Smarkm#define SCTP_MBUF_IFREE 92 20377220Smarkm#define SCTP_MBUF_ICOPY 93 20421646Sdavidn#define SCTP_MBUF_SPLIT 94 20521646Sdavidn#define SCTP_SORCV_FREECTL 95 20677220Smarkm#define SCTP_SORCV_DOESCPY 96 20777220Smarkm#define SCTP_SORCV_DOESLCK 97 20877220Smarkm#define SCTP_SORCV_DOESADJ 98 20977220Smarkm#define SCTP_SORCV_BOTWHILE 99 21077220Smarkm#define SCTP_SORCV_PASSBF 100 21177220Smarkm#define SCTP_SORCV_ADJD 101 2121590Srgrimes#define SCTP_UNKNOWN_MAX 102 2131590Srgrimes#define SCTP_RANDY_STUFF 103 2141590Srgrimes#define SCTP_RANDY_STUFF1 104 21521646Sdavidn#define SCTP_STRMOUT_LOG_ASSIGN 105 2161590Srgrimes#define SCTP_STRMOUT_LOG_SEND 106 21777220Smarkm#define SCTP_FLIGHT_LOG_DOWN_CA 107 21874874Smarkm#define SCTP_FLIGHT_LOG_UP 108 21974874Smarkm#define SCTP_FLIGHT_LOG_DOWN_GAP 109 22074874Smarkm#define SCTP_FLIGHT_LOG_DOWN_RSND 110 22174874Smarkm#define SCTP_FLIGHT_LOG_UP_RSND 111 22274874Smarkm#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 22374874Smarkm#define SCTP_FLIGHT_LOG_DOWN_WP 113 22481529Smarkm#define SCTP_FLIGHT_LOG_UP_REVOKE 114 22581529Smarkm#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 22674874Smarkm#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 22774874Smarkm#define SCTP_SACK_LOG_NORMAL 117 22874874Smarkm#define SCTP_SACK_LOG_EXPRESS 118 22977220Smarkm#define SCTP_MAP_TSN_ENTERS 119 23077220Smarkm#define SCTP_THRESHOLD_CLEAR 120 23177220Smarkm#define SCTP_THRESHOLD_INCR 121 23274874Smarkm#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122 23377220Smarkm#define SCTP_FWD_TSN_CHECK 123 23477220Smarkm#define SCTP_LOG_MAX_TYPES 124 23577220Smarkm/* 23674874Smarkm * To turn on various logging, you must first enable 'options KTR' and 23777220Smarkm * you might want to bump the entires 'options KTR_ENTRIES=80000'. 23877220Smarkm * To get something to log you define one of the logging defines. 23977220Smarkm * (see LINT). 24077220Smarkm * 24177220Smarkm * This gets the compile in place, but you still need to turn the 24277220Smarkm * logging flag on too in the sysctl (see in sctp.h). 24374874Smarkm */ 24477220Smarkm 24577220Smarkm#define SCTP_LOG_EVENT_UNKNOWN 0 24677220Smarkm#define SCTP_LOG_EVENT_CWND 1 24777220Smarkm#define SCTP_LOG_EVENT_BLOCK 2 24874874Smarkm#define SCTP_LOG_EVENT_STRM 3 24977220Smarkm#define SCTP_LOG_EVENT_FR 4 25077220Smarkm#define SCTP_LOG_EVENT_MAP 5 25174874Smarkm#define SCTP_LOG_EVENT_MAXBURST 6 25274874Smarkm#define SCTP_LOG_EVENT_RWND 7 25374874Smarkm#define SCTP_LOG_EVENT_MBCNT 8 25477220Smarkm#define SCTP_LOG_EVENT_SACK 9 25577220Smarkm#define SCTP_LOG_LOCK_EVENT 10 25677220Smarkm#define SCTP_LOG_EVENT_RTT 11 25777220Smarkm#define SCTP_LOG_EVENT_SB 12 25877220Smarkm#define SCTP_LOG_EVENT_NAGLE 13 25974874Smarkm#define SCTP_LOG_EVENT_WAKE 14 2601590Srgrimes#define SCTP_LOG_MISC_EVENT 15 26177220Smarkm#define SCTP_LOG_EVENT_CLOSE 16 26277220Smarkm#define SCTP_LOG_EVENT_MBUF 17 2639502Swollman#define SCTP_LOG_CHUNK_PROC 18 26477220Smarkm#define SCTP_LOG_ERROR_RET 19 26530793Sguido 26677220Smarkm#define SCTP_LOG_MAX_EVENT 20 26777220Smarkm 26830793Sguido#define SCTP_LOCK_UNKNOWN 2 26930793Sguido 27030793Sguido 27130793Sguido/* number of associations by default for zone allocation */ 27230793Sguido#define SCTP_MAX_NUM_OF_ASOC 40000 2731590Srgrimes/* how many addresses per assoc remote and local */ 27477220Smarkm#define SCTP_SCALE_FOR_ADDR 2 2751590Srgrimes 27677220Smarkm/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 2771590Srgrimes#define SCTP_DEFAULT_AUTO_ASCONF 1 27877220Smarkm 27977220Smarkm/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 2801590Srgrimes#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 2811590Srgrimes 28277220Smarkm/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */ 28377220Smarkm#define SCTP_DEFAULT_MOBILITY_BASE 0 2841590Srgrimes 2851590Srgrimes/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */ 2861590Srgrimes#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0 2871590Srgrimes 2881590Srgrimes/* 2891590Srgrimes * Theshold for rwnd updates, we have to read (sb_hiwat >> 29014440Smarkm * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 29114440Smarkm * window update sack. When we look, we compare the last rwnd we sent vs the 2921590Srgrimes * current rwnd. It too must be greater than this value. Using 3 divdes the 2931590Srgrimes * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 2941590Srgrimes * to read 8k. This seems about right.. I hope :-D.. we do set a 29577220Smarkm * min of a MTU on it so if the rwnd is real small we will insist 2961590Srgrimes * on a full MTU of 1500 bytes. 29777220Smarkm */ 2981590Srgrimes#define SCTP_RWND_HIWAT_SHIFT 3 29921646Sdavidn 30077220Smarkm/* How much of the rwnd must the 30177220Smarkm * message be taking up to start partial delivery. 30274874Smarkm * We calculate this by shifing the hi_water (recv_win) 30374874Smarkm * left the following .. set to 1, when a message holds 30474874Smarkm * 1/2 the rwnd. If we set it to 2 when a message holds 30574874Smarkm * 1/4 the rwnd...etc.. 30674874Smarkm */ 30777220Smarkm 30877220Smarkm#define SCTP_PARTIAL_DELIVERY_SHIFT 1 30977220Smarkm 31077220Smarkm/* 31177220Smarkm * default HMAC for cookies, etc... use one of the AUTH HMAC id's 31274874Smarkm * SCTP_HMAC is the HMAC_ID to use 31374874Smarkm * SCTP_SIGNATURE_SIZE is the digest length 31474874Smarkm */ 31574874Smarkm#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 31674874Smarkm#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 31798837Sdillon#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 318105362Stjr 31998837Sdillon/* 32098837Sdillon * the SCTP protocol signature this includes the version number encoded in 32198837Sdillon * the last 4 bits of the signature. 32298837Sdillon */ 32374874Smarkm#define PROTO_SIGNATURE_A 0x30000000 32474874Smarkm#define SCTP_VERSION_NUMBER 0x3 32577220Smarkm 32677220Smarkm#define MAX_TSN 0xffffffff 32774874Smarkm 32877220Smarkm/* how many executions every N tick's */ 32977220Smarkm#define SCTP_ITERATOR_MAX_AT_ONCE 20 33077220Smarkm 331101722Sache/* number of clock ticks between iterator executions */ 332101749Sache#define SCTP_ITERATOR_TICKS 1 333101722Sache 334101722Sache/* 335101722Sache * option: If you comment out the following you will receive the old behavior 33677220Smarkm * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 33777220Smarkm * happens right away with-out waiting for the flightsize to drop below the 33877220Smarkm * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 33977220Smarkm */ 34074874Smarkm#define SCTP_IGNORE_CWND_ON_FR 1 34177220Smarkm 34277220Smarkm/* 34381528Smarkm * Adds implementors guide behavior to only use newest highest update in SACK 34477220Smarkm * gap ack's to figure out if you need to stroke a chunk for FR. 34574874Smarkm */ 34677220Smarkm#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 34781528Smarkm 34877220Smarkm/* default max I can burst out after a fast retransmit, 0 disables it */ 34974874Smarkm#define SCTP_DEF_MAX_BURST 4 35098837Sdillon#define SCTP_DEF_HBMAX_BURST 4 35198837Sdillon#define SCTP_DEF_FRMAX_BURST 4 35298837Sdillon 35377220Smarkm/* RTO calculation flag to say if it 35477220Smarkm * is safe to determine local lan or not. 35577220Smarkm */ 35677220Smarkm#define SCTP_RTT_FROM_NON_DATA 0 35777220Smarkm#define SCTP_RTT_FROM_DATA 1 35877220Smarkm 35977220Smarkm 36077220Smarkm/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 36177220Smarkm#define SCTP_FIRST_MBUF_RESV 68 36277220Smarkm/* Packet transmit states in the sent field */ 36377220Smarkm#define SCTP_DATAGRAM_UNSENT 0 36477220Smarkm#define SCTP_DATAGRAM_SENT 1 36577220Smarkm#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 36677220Smarkm * hit this value) */ 36774874Smarkm#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 36877220Smarkm * hit this value) */ 36977220Smarkm#define SCTP_DATAGRAM_RESEND 4 37077220Smarkm#define SCTP_DATAGRAM_ACKED 10010 37177220Smarkm#define SCTP_DATAGRAM_MARKED 20010 37269427Srwatson#define SCTP_FORWARD_TSN_SKIP 30010 37377220Smarkm#define SCTP_DATAGRAM_NR_ACKED 40010 37477220Smarkm 37577220Smarkm/* chunk output send from locations */ 37677220Smarkm#define SCTP_OUTPUT_FROM_USR_SEND 0 37777220Smarkm#define SCTP_OUTPUT_FROM_T3 1 37877220Smarkm#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 37977220Smarkm#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 3801590Srgrimes#define SCTP_OUTPUT_FROM_SACK_TMR 4 38177220Smarkm#define SCTP_OUTPUT_FROM_SHUT_TMR 5 38277220Smarkm#define SCTP_OUTPUT_FROM_HB_TMR 6 38377220Smarkm#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 38477220Smarkm#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 38577220Smarkm#define SCTP_OUTPUT_FROM_STRRST_TMR 9 38677220Smarkm#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 38777220Smarkm#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 38877220Smarkm#define SCTP_OUTPUT_FROM_STRRST_REQ 12 38977220Smarkm#define SCTP_OUTPUT_FROM_USR_RCVD 13 39077220Smarkm#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 39177220Smarkm#define SCTP_OUTPUT_FROM_DRAIN 15 39277220Smarkm#define SCTP_OUTPUT_FROM_CLOSING 16 39377220Smarkm#define SCTP_OUTPUT_FROM_SOCKOPT 17 39477220Smarkm 39577220Smarkm/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 39674874Smarkm 39777220Smarkm/* align to 32-bit sizes */ 39877220Smarkm#define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2) 39983373Smarkm 40077220Smarkm#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 40183373Smarkm#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 4021590Srgrimes 40377220Smarkm 40483373Smarkm/* SCTP parameter types */ 40574874Smarkm/*************0x0000 series*************/ 40677220Smarkm#define SCTP_HEARTBEAT_INFO 0x0001 40777220Smarkm#define SCTP_IPV4_ADDRESS 0x0005 40877220Smarkm#define SCTP_IPV6_ADDRESS 0x0006 40974874Smarkm#define SCTP_STATE_COOKIE 0x0007 41083373Smarkm#define SCTP_UNRECOG_PARAM 0x0008 41177220Smarkm#define SCTP_COOKIE_PRESERVE 0x0009 4121590Srgrimes#define SCTP_HOSTNAME_ADDRESS 0x000b 4131590Srgrimes#define SCTP_SUPPORTED_ADDRTYPE 0x000c 4141590Srgrimes 41574874Smarkm/* draft-ietf-stewart-tsvwg-strreset-xxx */ 41677220Smarkm#define SCTP_STR_RESET_OUT_REQUEST 0x000d 41774874Smarkm#define SCTP_STR_RESET_IN_REQUEST 0x000e 41874874Smarkm#define SCTP_STR_RESET_TSN_REQUEST 0x000f 41974874Smarkm#define SCTP_STR_RESET_RESPONSE 0x0010 42074874Smarkm#define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011 42174874Smarkm#define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012 42277220Smarkm 42374874Smarkm#define SCTP_MAX_RESET_PARAMS 2 42474874Smarkm#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 42574874Smarkm 42674874Smarkm/*************0x4000 series*************/ 42774874Smarkm 42874874Smarkm/*************0x8000 series*************/ 42974874Smarkm#define SCTP_ECN_CAPABLE 0x8000 43074874Smarkm 43174874Smarkm/* draft-ietf-tsvwg-auth-xxx */ 43274874Smarkm#define SCTP_RANDOM 0x8002 43374874Smarkm#define SCTP_CHUNK_LIST 0x8003 43474874Smarkm#define SCTP_HMAC_LIST 0x8004 43574874Smarkm/* 43677220Smarkm * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 43774874Smarkm * | Byte Byte | Byte ... 43874874Smarkm * 43974874Smarkm * Where each byte is a chunk type extension supported. For example, to support 44074874Smarkm * all chunks one would have (in hex): 44174874Smarkm * 44274874Smarkm * 80 01 00 09 C0 C1 80 81 82 00 00 00 44374874Smarkm * 44474874Smarkm * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 44574874Smarkm * = Packet Drop 82 = Stream Reset 83 = Authentication 44674874Smarkm */ 44774874Smarkm#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 44874874Smarkm 44974874Smarkm/*************0xC000 series*************/ 45074874Smarkm#define SCTP_PRSCTP_SUPPORTED 0xc000 45174874Smarkm/* draft-ietf-tsvwg-addip-sctp */ 45274874Smarkm#define SCTP_ADD_IP_ADDRESS 0xc001 45374874Smarkm#define SCTP_DEL_IP_ADDRESS 0xc002 45474874Smarkm#define SCTP_ERROR_CAUSE_IND 0xc003 45574874Smarkm#define SCTP_SET_PRIM_ADDR 0xc004 45674874Smarkm#define SCTP_SUCCESS_REPORT 0xc005 45728099Scharnier#define SCTP_ULP_ADAPTATION 0xc006 45877220Smarkm/* behave-nat-draft */ 45928099Scharnier#define SCTP_HAS_NAT_SUPPORT 0xc007 46081702Sru#define SCTP_NAT_VTAGS 0xc008 46181971Smarkm 46281702Sru/* bits for TOS field */ 46328099Scharnier#define SCTP_ECT0_BIT 0x02 46428099Scharnier#define SCTP_ECT1_BIT 0x01 46577220Smarkm#define SCTP_CE_BITS 0x03 46677220Smarkm 4671590Srgrimes/* below turns off above */ 46877220Smarkm#define SCTP_FLEXIBLE_ADDRESS 0x20 4691590Srgrimes#define SCTP_NO_HEARTBEAT 0x40 4701590Srgrimes 47177220Smarkm/* mask to get sticky */ 47221646Sdavidn#define SCTP_STICKY_OPTIONS_MASK 0x0c 47377220Smarkm 47477220Smarkm 47577220Smarkm/* 47677220Smarkm * SCTP states for internal state machine XXX (should match "user" values) 47721646Sdavidn */ 47821646Sdavidn#define SCTP_STATE_EMPTY 0x0000 4791590Srgrimes#define SCTP_STATE_INUSE 0x0001 4801590Srgrimes#define SCTP_STATE_COOKIE_WAIT 0x0002 48177220Smarkm#define SCTP_STATE_COOKIE_ECHOED 0x0004 48277220Smarkm#define SCTP_STATE_OPEN 0x0008 4831590Srgrimes#define SCTP_STATE_SHUTDOWN_SENT 0x0010 4841590Srgrimes#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 4851590Srgrimes#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 4861590Srgrimes#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 4871590Srgrimes#define SCTP_STATE_CLOSED_SOCKET 0x0100 48814440Smarkm#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 48914440Smarkm#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 4901590Srgrimes#define SCTP_STATE_WAS_ABORTED 0x0800 49177220Smarkm#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000 4921590Srgrimes#define SCTP_STATE_MASK 0x007f 493 494#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 495#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate) 496#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate) 497#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate) 498 499/* SCTP reachability state for each address */ 500#define SCTP_ADDR_REACHABLE 0x001 501#define SCTP_ADDR_NO_PMTUD 0x002 502#define SCTP_ADDR_NOHB 0x004 503#define SCTP_ADDR_BEING_DELETED 0x008 504#define SCTP_ADDR_NOT_IN_ASSOC 0x010 505#define SCTP_ADDR_OUT_OF_SCOPE 0x080 506#define SCTP_ADDR_UNCONFIRMED 0x200 507#define SCTP_ADDR_REQ_PRIMARY 0x400 508/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 509#define SCTP_ADDR_PF 0x800 510 511/* bound address types (e.g. valid address types to allow) */ 512#define SCTP_BOUND_V6 0x01 513#define SCTP_BOUND_V4 0x02 514 515/* 516 * what is the default number of mbufs in a chain I allow before switching to 517 * a cluster 518 */ 519#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 520 521/* How long a cookie lives in milli-seconds */ 522#define SCTP_DEFAULT_COOKIE_LIFE 60000 523 524/* resource limit of streams */ 525#define MAX_SCTP_STREAMS 2048 526 527/* Maximum the mapping array will grow to (TSN mapping array) */ 528#define SCTP_MAPPING_ARRAY 512 529 530/* size of the inital malloc on the mapping array */ 531#define SCTP_INITIAL_MAPPING_ARRAY 16 532/* how much we grow the mapping array each call */ 533#define SCTP_MAPPING_ARRAY_INCR 32 534 535/* 536 * Here we define the timer types used by the implementation as arguments in 537 * the set/get timer type calls. 538 */ 539#define SCTP_TIMER_INIT 0 540#define SCTP_TIMER_RECV 1 541#define SCTP_TIMER_SEND 2 542#define SCTP_TIMER_HEARTBEAT 3 543#define SCTP_TIMER_PMTU 4 544#define SCTP_TIMER_MAXSHUTDOWN 5 545#define SCTP_TIMER_SIGNATURE 6 546/* 547 * number of timer types in the base SCTP structure used in the set/get and 548 * has the base default. 549 */ 550#define SCTP_NUM_TMRS 7 551 552/* timer types */ 553#define SCTP_TIMER_TYPE_NONE 0 554#define SCTP_TIMER_TYPE_SEND 1 555#define SCTP_TIMER_TYPE_INIT 2 556#define SCTP_TIMER_TYPE_RECV 3 557#define SCTP_TIMER_TYPE_SHUTDOWN 4 558#define SCTP_TIMER_TYPE_HEARTBEAT 5 559#define SCTP_TIMER_TYPE_COOKIE 6 560#define SCTP_TIMER_TYPE_NEWCOOKIE 7 561#define SCTP_TIMER_TYPE_PATHMTURAISE 8 562#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 563#define SCTP_TIMER_TYPE_ASCONF 10 564#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 565#define SCTP_TIMER_TYPE_AUTOCLOSE 12 566#define SCTP_TIMER_TYPE_EVENTWAKE 13 567#define SCTP_TIMER_TYPE_STRRESET 14 568#define SCTP_TIMER_TYPE_INPKILL 15 569#define SCTP_TIMER_TYPE_ASOCKILL 16 570#define SCTP_TIMER_TYPE_ADDR_WQ 17 571#define SCTP_TIMER_TYPE_ZERO_COPY 18 572#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 19 573#define SCTP_TIMER_TYPE_PRIM_DELETED 20 574/* add new timers here - and increment LAST */ 575#define SCTP_TIMER_TYPE_LAST 21 576 577#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 578 ((t) < SCTP_TIMER_TYPE_LAST)) 579 580 581 582/* max number of TSN's dup'd that I will hold */ 583#define SCTP_MAX_DUP_TSNS 20 584 585/* 586 * Here we define the types used when setting the retry amounts. 587 */ 588/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 589#define SCTP_RETRY_DROPPED_THRESH 4 590 591/* 592 * Maxmium number of chunks a single association can have on it. Note that 593 * this is a squishy number since the count can run over this if the user 594 * sends a large message down .. the fragmented chunks don't count until 595 * AFTER the message is on queue.. it would be the next send that blocks 596 * things. This number will get tuned up at boot in the sctp_init and use the 597 * number of clusters as a base. This way high bandwidth environments will 598 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 599 */ 600#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 601 602 603/* The conversion from time to ticks and vice versa is done by rounding 604 * upwards. This way we can test in the code the time to be positive and 605 * know that this corresponds to a positive number of ticks. 606 */ 607#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 608#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 609 610#define SEC_TO_TICKS(x) ((x) * hz) 611#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 612 613/* 614 * Basically the minimum amount of time before I do a early FR. Making this 615 * value to low will cause duplicate retransmissions. 616 */ 617#define SCTP_MINFR_MSEC_TIMER 250 618/* The floor this value is allowed to fall to when starting a timer. */ 619#define SCTP_MINFR_MSEC_FLOOR 20 620 621/* init timer def = 1 sec */ 622#define SCTP_INIT_SEC 1 623 624/* send timer def = 1 seconds */ 625#define SCTP_SEND_SEC 1 626 627/* recv timer def = 200ms */ 628#define SCTP_RECV_MSEC 200 629 630/* 30 seconds + RTO (in ms) */ 631#define SCTP_HB_DEFAULT_MSEC 30000 632 633/* Max time I will wait for Shutdown to complete */ 634#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 635 636 637/* 638 * This is how long a secret lives, NOT how long a cookie lives how many 639 * ticks the current secret will live. 640 */ 641#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 642 643#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 644#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */ 645#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 646 647 648#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 649#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 650 651#define SCTP_DEF_MAX_INIT 8 652#define SCTP_DEF_MAX_SEND 10 653#define SCTP_DEF_MAX_PATH_RTX 5 654#define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX 655 656#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 657 658 659/* How many streams I request initally by default */ 660#define SCTP_OSTREAM_INITIAL 10 661 662/* 663 * How many smallest_mtu's need to increase before a window update sack is 664 * sent (should be a power of 2). 665 */ 666/* Send window update (incr * this > hiwat). Should be a power of 2 */ 667#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 668 669#define SCTP_ADDRMAX 16 670 671/* SCTP DEBUG Switch parameters */ 672#define SCTP_DEBUG_TIMER1 0x00000001 673#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 674#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 675#define SCTP_DEBUG_TIMER4 0x00000008 676#define SCTP_DEBUG_OUTPUT1 0x00000010 677#define SCTP_DEBUG_OUTPUT2 0x00000020 678#define SCTP_DEBUG_OUTPUT3 0x00000040 679#define SCTP_DEBUG_OUTPUT4 0x00000080 680#define SCTP_DEBUG_UTIL1 0x00000100 681#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 682#define SCTP_DEBUG_AUTH1 0x00000400 683#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 684#define SCTP_DEBUG_INPUT1 0x00001000 685#define SCTP_DEBUG_INPUT2 0x00002000 686#define SCTP_DEBUG_INPUT3 0x00004000 687#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 688#define SCTP_DEBUG_ASCONF1 0x00010000 689#define SCTP_DEBUG_ASCONF2 0x00020000 690#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 691#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 692#define SCTP_DEBUG_PCB1 0x00100000 693#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 694#define SCTP_DEBUG_PCB3 0x00400000 695#define SCTP_DEBUG_PCB4 0x00800000 696#define SCTP_DEBUG_INDATA1 0x01000000 697#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 698#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 699#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 700#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 701#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 702#define SCTP_DEBUG_PEEL1 0x40000000 703#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 704#define SCTP_DEBUG_ALL 0x7ff3ffff 705#define SCTP_DEBUG_NOISY 0x00040000 706 707/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 708#define SCTP_SWS_SENDER_DEF 1420 709 710/* 711 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 712 * would be hiwat/2 etc. 713 */ 714/* What receiver needs to see in sockbuf or we tell peer its 1 */ 715#define SCTP_SWS_RECEIVER_DEF 3000 716 717#define SCTP_INITIAL_CWND 4380 718 719#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 720/* amount peer is obligated to have in rwnd or I will abort */ 721#define SCTP_MIN_RWND 1500 722 723#define SCTP_DEFAULT_MAXSEGMENT 65535 724 725#define SCTP_CHUNK_BUFFER_SIZE 512 726#define SCTP_PARAM_BUFFER_SIZE 512 727 728/* small chunk store for looking at chunk_list in auth */ 729#define SCTP_SMALL_CHUNK_STORE 260 730 731#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 732#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 733 734#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 735#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 736 737 738/* 739 * SCTP upper layer notifications 740 */ 741#define SCTP_NOTIFY_ASSOC_UP 1 742#define SCTP_NOTIFY_ASSOC_DOWN 2 743#define SCTP_NOTIFY_INTERFACE_DOWN 3 744#define SCTP_NOTIFY_INTERFACE_UP 4 745#define SCTP_NOTIFY_SENT_DG_FAIL 5 746#define SCTP_NOTIFY_UNSENT_DG_FAIL 6 747#define SCTP_NOTIFY_SPECIAL_SP_FAIL 7 748#define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8 749#define SCTP_NOTIFY_ASSOC_REM_ABORTED 9 750#define SCTP_NOTIFY_ASSOC_RESTART 10 751#define SCTP_NOTIFY_PEER_SHUTDOWN 11 752#define SCTP_NOTIFY_ASCONF_ADD_IP 12 753#define SCTP_NOTIFY_ASCONF_DELETE_IP 13 754#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14 755#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15 756#define SCTP_NOTIFY_INTERFACE_CONFIRMED 16 757#define SCTP_NOTIFY_STR_RESET_RECV 17 758#define SCTP_NOTIFY_STR_RESET_SEND 18 759#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19 760#define SCTP_NOTIFY_STR_RESET_FAILED_IN 20 761#define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21 762#define SCTP_NOTIFY_STR_RESET_DENIED_IN 22 763#define SCTP_NOTIFY_AUTH_NEW_KEY 23 764#define SCTP_NOTIFY_AUTH_FREE_KEY 24 765#define SCTP_NOTIFY_NO_PEER_AUTH 25 766#define SCTP_NOTIFY_SENDER_DRY 26 767#define SCTP_NOTIFY_REMOTE_ERROR 27 768 769/* This is the value for messages that are NOT completely 770 * copied down where we will start to split the message. 771 * So, with our default, we split only if the piece we 772 * want to take will fill up a full MTU (assuming 773 * a 1500 byte MTU). 774 */ 775#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 776 777/* ABORT CODES and other tell-tale location 778 * codes are generated by adding the below 779 * to the instance id. 780 */ 781 782/* File defines */ 783#define SCTP_FROM_SCTP_INPUT 0x10000000 784#define SCTP_FROM_SCTP_PCB 0x20000000 785#define SCTP_FROM_SCTP_INDATA 0x30000000 786#define SCTP_FROM_SCTP_TIMER 0x40000000 787#define SCTP_FROM_SCTP_USRREQ 0x50000000 788#define SCTP_FROM_SCTPUTIL 0x60000000 789#define SCTP_FROM_SCTP6_USRREQ 0x70000000 790#define SCTP_FROM_SCTP_ASCONF 0x80000000 791#define SCTP_FROM_SCTP_OUTPUT 0x90000000 792#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 793#define SCTP_FROM_SCTP_PANDA 0xb0000000 794#define SCTP_FROM_SCTP_SYSCTL 0xc0000000 795 796/* Location ID's */ 797#define SCTP_LOC_1 0x00000001 798#define SCTP_LOC_2 0x00000002 799#define SCTP_LOC_3 0x00000003 800#define SCTP_LOC_4 0x00000004 801#define SCTP_LOC_5 0x00000005 802#define SCTP_LOC_6 0x00000006 803#define SCTP_LOC_7 0x00000007 804#define SCTP_LOC_8 0x00000008 805#define SCTP_LOC_9 0x00000009 806#define SCTP_LOC_10 0x0000000a 807#define SCTP_LOC_11 0x0000000b 808#define SCTP_LOC_12 0x0000000c 809#define SCTP_LOC_13 0x0000000d 810#define SCTP_LOC_14 0x0000000e 811#define SCTP_LOC_15 0x0000000f 812#define SCTP_LOC_16 0x00000010 813#define SCTP_LOC_17 0x00000011 814#define SCTP_LOC_18 0x00000012 815#define SCTP_LOC_19 0x00000013 816#define SCTP_LOC_20 0x00000014 817#define SCTP_LOC_21 0x00000015 818#define SCTP_LOC_22 0x00000016 819#define SCTP_LOC_23 0x00000017 820#define SCTP_LOC_24 0x00000018 821#define SCTP_LOC_25 0x00000019 822#define SCTP_LOC_26 0x0000001a 823#define SCTP_LOC_27 0x0000001b 824#define SCTP_LOC_28 0x0000001c 825#define SCTP_LOC_29 0x0000001d 826#define SCTP_LOC_30 0x0000001e 827#define SCTP_LOC_31 0x0000001f 828#define SCTP_LOC_32 0x00000020 829#define SCTP_LOC_33 0x00000021 830 831 832/* Free assoc codes */ 833#define SCTP_NORMAL_PROC 0 834#define SCTP_PCBFREE_NOFORCE 1 835#define SCTP_PCBFREE_FORCE 2 836 837/* From codes for adding addresses */ 838#define SCTP_ADDR_IS_CONFIRMED 8 839#define SCTP_ADDR_DYNAMIC_ADDED 6 840#define SCTP_IN_COOKIE_PROC 100 841#define SCTP_ALLOC_ASOC 1 842#define SCTP_LOAD_ADDR_2 2 843#define SCTP_LOAD_ADDR_3 3 844#define SCTP_LOAD_ADDR_4 4 845#define SCTP_LOAD_ADDR_5 5 846 847#define SCTP_DONOT_SETSCOPE 0 848#define SCTP_DO_SETSCOPE 1 849 850 851/* This value determines the default for when 852 * we try to add more on the send queue., if 853 * there is room. This prevents us from cycling 854 * into the copy_resume routine to often if 855 * we have not got enough space to add a decent 856 * enough size message. Note that if we have enough 857 * space to complete the message copy we will always 858 * add to the message, no matter what the size. Its 859 * only when we reach the point that we have some left 860 * to add, there is only room for part of it that we 861 * will use this threshold. Its also a sysctl. 862 */ 863#define SCTP_DEFAULT_ADD_MORE 1452 864 865#ifndef SCTP_PCBHASHSIZE 866/* default number of association hash buckets in each endpoint */ 867#define SCTP_PCBHASHSIZE 256 868#endif 869#ifndef SCTP_TCBHASHSIZE 870#define SCTP_TCBHASHSIZE 1024 871#endif 872 873#ifndef SCTP_CHUNKQUEUE_SCALE 874#define SCTP_CHUNKQUEUE_SCALE 10 875#endif 876 877/* clock variance is 1 ms */ 878#define SCTP_CLOCK_GRANULARITY 1 879#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 880 * detracts a small amount for ipv4 but it 881 * simplifies the ipv6 addition */ 882 883/* Argument magic number for sctp_inpcb_free() */ 884 885/* third argument */ 886#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 887#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 888#define SCTP_CALLED_FROM_INPKILL_TIMER 2 889/* second argument */ 890#define SCTP_FREE_SHOULD_USE_ABORT 1 891#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 892 893#ifndef IPPROTO_SCTP 894#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 895#endif /* !IPPROTO_SCTP */ 896 897#define SCTP_MAX_DATA_BUNDLING 256 898 899/* modular comparison */ 900/* See RFC 1982 for details. */ 901#define SCTP_SSN_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \ 902 ((a > b) && ((uint16_t)(a - b) < (1U<<15)))) 903#define SCTP_SSN_GE(a, b) (SCTP_SSN_GT(a, b) || (a == b)) 904#define SCTP_TSN_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \ 905 ((a > b) && ((uint32_t)(a - b) < (1U<<31)))) 906#define SCTP_TSN_GE(a, b) (SCTP_TSN_GT(a, b) || (a == b)) 907 908/* Mapping array manipulation routines */ 909#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 910#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 911#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 912#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \ 913 if (tsn >= mapping_tsn) { \ 914 gap = tsn - mapping_tsn; \ 915 } else { \ 916 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \ 917 } \ 918 } while (0) 919 920 921#define SCTP_RETRAN_DONE -1 922#define SCTP_RETRAN_EXIT -2 923 924/* 925 * This value defines the number of vtag block time wait entry's per list 926 * element. Each entry will take 2 4 byte ints (and of course the overhead 927 * of the next pointer as well). Using 15 as an example will yield * ((8 * 928 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 929 * initialized. Increasing it to 31 would yeild 256 bytes per block. 930 */ 931#define SCTP_NUMBER_IN_VTAG_BLOCK 15 932/* 933 * If we use the STACK option, we have an array of this size head pointers. 934 * This array is mod'd the with the size to find which bucket and then all 935 * entries must be searched to see if the tag is in timed wait. If so we 936 * reject it. 937 */ 938#define SCTP_STACK_VTAG_HASH_SIZE 32 939 940/* 941 * Number of seconds of time wait for a vtag. 942 */ 943#define SCTP_TIME_WAIT 60 944 945/* How many micro seconds is the cutoff from 946 * local lan type rtt's 947 */ 948 /* 949 * We allow 900us for the rtt. 950 */ 951#define SCTP_LOCAL_LAN_RTT 900 952#define SCTP_LAN_UNKNOWN 0 953#define SCTP_LAN_LOCAL 1 954#define SCTP_LAN_INTERNET 2 955 956#define SCTP_SEND_BUFFER_SPLITTING 0x00000001 957#define SCTP_RECV_BUFFER_SPLITTING 0x00000002 958 959/* The system retains a cache of free chunks such to 960 * cut down on calls the memory allocation system. There 961 * is a per association limit of free items and a overall 962 * system limit. If either one gets hit then the resource 963 * stops being cached. 964 */ 965 966#define SCTP_DEF_ASOC_RESC_LIMIT 10 967#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 968 969/*- 970 * defines for socket lock states. 971 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING 972 */ 973#define SCTP_SO_LOCKED 1 974#define SCTP_SO_NOT_LOCKED 0 975 976 977#define SCTP_HOLDS_LOCK 1 978#define SCTP_NOT_LOCKED 0 979 980/*- 981 * For address locks, do we hold the lock? 982 */ 983#define SCTP_ADDR_LOCKED 1 984#define SCTP_ADDR_NOT_LOCKED 0 985 986#define IN4_ISPRIVATE_ADDRESS(a) \ 987 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 988 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 989 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 990 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 991 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 992 (((uint8_t *)&(a)->s_addr)[1] == 168))) 993 994#define IN4_ISLOOPBACK_ADDRESS(a) \ 995 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 996 (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 997 (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 998 (((uint8_t *)&(a)->s_addr)[3] == 1)) 999 1000#define IN4_ISLINKLOCAL_ADDRESS(a) \ 1001 ((((uint8_t *)&(a)->s_addr)[0] == 169) && \ 1002 (((uint8_t *)&(a)->s_addr)[1] == 254)) 1003 1004 1005#if defined(_KERNEL) 1006#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 1007#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 1008#endif 1009 1010#if defined(_KERNEL) || defined(__Userspace__) 1011#define sctp_sowwakeup(inp, so) \ 1012do { \ 1013 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1014 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1015 } else { \ 1016 sowwakeup(so); \ 1017 } \ 1018} while (0) 1019 1020#define sctp_sowwakeup_locked(inp, so) \ 1021do { \ 1022 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1023 SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1024 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1025 } else { \ 1026 sowwakeup_locked(so); \ 1027 } \ 1028} while (0) 1029 1030#define sctp_sorwakeup(inp, so) \ 1031do { \ 1032 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1033 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1034 } else { \ 1035 sorwakeup(so); \ 1036 } \ 1037} while (0) 1038 1039#define sctp_sorwakeup_locked(inp, so) \ 1040do { \ 1041 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1042 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1043 SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1044 } else { \ 1045 sorwakeup_locked(so); \ 1046 } \ 1047} while (0) 1048 1049#endif /* _KERNEL || __Userspace__ */ 1050#endif 1051