sctp_constants.h revision 294149
199821Sjoerg/*- 2228991Suqs * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 399373Sjohan * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 499373Sjohan * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 599373Sjohan * 699373Sjohan * Redistribution and use in source and binary forms, with or without 799373Sjohan * modification, are permitted provided that the following conditions are met: 899373Sjohan * 999373Sjohan * a) Redistributions of source code must retain the above copyright notice, 1099373Sjohan * this list of conditions and the following disclaimer. 1199373Sjohan * 1299373Sjohan * b) Redistributions in binary form must reproduce the above copyright 1399821Sjoerg * notice, this list of conditions and the following disclaimer in 1499821Sjoerg * the documentation and/or other materials provided with the distribution. 1599821Sjoerg * 1699821Sjoerg * c) Neither the name of Cisco Systems, Inc. nor the names of its 1799821Sjoerg * contributors may be used to endorse or promote products derived 1899821Sjoerg * from this software without specific prior written permission. 1999821Sjoerg * 2099821Sjoerg * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2199821Sjoerg * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 2299821Sjoerg * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2399821Sjoerg * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 2499373Sjohan * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2599373Sjohan * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2699821Sjoerg * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2799821Sjoerg * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2899821Sjoerg * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2999821Sjoerg * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 3099821Sjoerg * THE POSSIBILITY OF SUCH DAMAGE. 3199821Sjoerg */ 3299373Sjohan 3399821Sjoerg#include <sys/cdefs.h> 3499373Sjohan__FBSDID("$FreeBSD: stable/10/sys/netinet/sctp_constants.h 294149 2016-01-16 14:41:44Z tuexen $"); 3599406Sjohan 3699406Sjohan#ifndef _NETINET_SCTP_CONSTANTS_H_ 3799373Sjohan#define _NETINET_SCTP_CONSTANTS_H_ 3899373Sjohan 3999373Sjohan 4099821Sjoerg/* IANA assigned port number for SCTP over UDP encapsulation */ 4199373Sjohan#define SCTP_OVER_UDP_TUNNELING_PORT 9899 4299373Sjohan 43132198Stjr/* Number of packets to get before sack sent by default */ 4499821Sjoerg#define SCTP_DEFAULT_SACK_FREQ 2 4599373Sjohan 4699373Sjohan/* Address limit - This variable is calculated 4799373Sjohan * based on an 65535 byte max ip packet. We take out 100 bytes 4899821Sjoerg * for the cookie, 40 bytes for a v6 header and 32 4999373Sjohan * bytes for the init structure. A second init structure 5099373Sjohan * for the init-ack and then finally a third one for the 5199821Sjoerg * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 5299373Sjohan * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 53102246Sjohan * Now whatever we send in the INIT() we need to allow to get back in the 54102246Sjohan * INIT-ACK plus all the values from INIT and INIT-ACK 55102246Sjohan * listed in the cookie. Plus we need some overhead for 56102246Sjohan * maybe copied parameters in the COOKIE. If we 5799821Sjoerg * allow 1080 addresses, and each side has 1080 V6 addresses 5899821Sjoerg * that will be 21600 bytes. In the INIT-ACK we will 59227244Sed * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 60227244Sed * about 500 bytes slack for misc things in the cookie. 61227244Sed */ 6299821Sjoerg#define SCTP_ADDRESS_LIMIT 1080 63227244Sed 6499821Sjoerg/* We need at least 2k of space for us, inits 65227244Sed * larger than that lets abort. 66227244Sed */ 67227244Sed#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 68227244Sed 69227244Sed/* Number of addresses where we just skip the counting */ 70227244Sed#define SCTP_COUNT_LIMIT 40 7199821Sjoerg 7299821Sjoerg#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 7399821Sjoerg#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 7499821Sjoerg 7599821Sjoerg/* Number of ticks to delay before running 7699821Sjoerg * iterator on an address change. 7799821Sjoerg */ 7899821Sjoerg#define SCTP_ADDRESS_TICK_DELAY 2 7999821Sjoerg 8099821Sjoerg#define SCTP_VERSION_STRING "KAME-BSD 1.1" 8199821Sjoerg/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 8299821Sjoerg#define SCTP_AUDIT_SIZE 256 8399821Sjoerg 8499821Sjoerg 8599821Sjoerg#define SCTP_KTRHEAD_NAME "sctp_iterator" 8699821Sjoerg#define SCTP_KTHREAD_PAGES 0 8799821Sjoerg 88227244Sed#define SCTP_MCORE_NAME "sctp_core_worker" 8999821Sjoerg 9099373Sjohan 91141657Sru/* If you support Multi-VRF how big to 92141657Sru * make the initial array of VRF's to. 93141657Sru */ 9499821Sjoerg#define SCTP_DEFAULT_VRF_SIZE 4 9599373Sjohan 9699821Sjoerg/* constants for rto calc */ 9799821Sjoerg#define sctp_align_safe_nocopy 0 9899821Sjoerg#define sctp_align_unsafe_makecopy 1 9999821Sjoerg 10099821Sjoerg/* JRS - Values defined for the HTCP algorithm */ 10199821Sjoerg#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 102227244Sed#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 10399821Sjoerg#define BETA_MAX 102 /* 0.8 with shift << 7 */ 10499821Sjoerg 105144840Sstefanf/* Places that CWND log can happen from */ 10699821Sjoerg#define SCTP_CWND_LOG_FROM_FR 1 10799821Sjoerg#define SCTP_CWND_LOG_FROM_RTX 2 108102246Sjohan#define SCTP_CWND_LOG_FROM_BRST 3 10999821Sjoerg#define SCTP_CWND_LOG_FROM_SS 4 11099821Sjoerg#define SCTP_CWND_LOG_FROM_CA 5 11199821Sjoerg#define SCTP_CWND_LOG_FROM_SAT 6 11299821Sjoerg#define SCTP_BLOCK_LOG_INTO_BLK 7 11399821Sjoerg#define SCTP_BLOCK_LOG_OUTOF_BLK 8 11499821Sjoerg#define SCTP_BLOCK_LOG_CHECK 9 11599821Sjoerg#define SCTP_STR_LOG_FROM_INTO_STRD 10 11699821Sjoerg#define SCTP_STR_LOG_FROM_IMMED_DEL 11 11799821Sjoerg#define SCTP_STR_LOG_FROM_INSERT_HD 12 11899821Sjoerg#define SCTP_STR_LOG_FROM_INSERT_MD 13 11999821Sjoerg#define SCTP_STR_LOG_FROM_INSERT_TL 14 12099821Sjoerg#define SCTP_STR_LOG_FROM_MARK_TSN 15 12199821Sjoerg#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 122102072Sjohan#define SCTP_FR_LOG_BIGGEST_TSNS 17 123102072Sjohan#define SCTP_FR_LOG_STRIKE_TEST 18 12499821Sjoerg#define SCTP_FR_LOG_STRIKE_CHUNK 19 12599821Sjoerg#define SCTP_FR_T3_TIMEOUT 20 12699821Sjoerg#define SCTP_MAP_PREPARE_SLIDE 21 12799821Sjoerg#define SCTP_MAP_SLIDE_FROM 22 12899821Sjoerg#define SCTP_MAP_SLIDE_RESULT 23 129102072Sjohan#define SCTP_MAP_SLIDE_CLEARED 24 13099821Sjoerg#define SCTP_MAP_SLIDE_NONE 25 13199821Sjoerg#define SCTP_FR_T3_MARK_TIME 26 13299821Sjoerg#define SCTP_FR_T3_MARKED 27 13399821Sjoerg#define SCTP_FR_T3_STOPPED 28 134102246Sjohan#define SCTP_FR_MARKED 30 135102246Sjohan#define SCTP_CWND_LOG_NOADV_SS 31 136102246Sjohan#define SCTP_CWND_LOG_NOADV_CA 32 137102246Sjohan#define SCTP_MAX_BURST_APPLIED 33 13899821Sjoerg#define SCTP_MAX_IFP_APPLIED 34 13999821Sjoerg#define SCTP_MAX_BURST_ERROR_STOP 35 14099821Sjoerg#define SCTP_INCREASE_PEER_RWND 36 14199821Sjoerg#define SCTP_DECREASE_PEER_RWND 37 14299821Sjoerg#define SCTP_SET_PEER_RWND_VIA_SACK 38 14399821Sjoerg#define SCTP_LOG_MBCNT_INCREASE 39 14499821Sjoerg#define SCTP_LOG_MBCNT_DECREASE 40 14599821Sjoerg#define SCTP_LOG_MBCNT_CHKSET 41 14699821Sjoerg#define SCTP_LOG_NEW_SACK 42 14799821Sjoerg#define SCTP_LOG_TSN_ACKED 43 14899821Sjoerg#define SCTP_LOG_TSN_REVOKED 44 14999821Sjoerg#define SCTP_LOG_LOCK_TCB 45 15099821Sjoerg#define SCTP_LOG_LOCK_INP 46 15199821Sjoerg#define SCTP_LOG_LOCK_SOCK 47 15299821Sjoerg#define SCTP_LOG_LOCK_SOCKBUF_R 48 15399821Sjoerg#define SCTP_LOG_LOCK_SOCKBUF_S 49 15499821Sjoerg#define SCTP_LOG_LOCK_CREATE 50 15599821Sjoerg#define SCTP_LOG_INITIAL_RTT 51 15699821Sjoerg#define SCTP_LOG_RTTVAR 52 15799821Sjoerg#define SCTP_LOG_SBALLOC 53 15899821Sjoerg#define SCTP_LOG_SBFREE 54 15999821Sjoerg#define SCTP_LOG_SBRESULT 55 16099821Sjoerg#define SCTP_FR_DUPED 56 16199821Sjoerg#define SCTP_FR_MARKED_EARLY 57 16299821Sjoerg#define SCTP_FR_CWND_REPORT 58 16399821Sjoerg#define SCTP_FR_CWND_REPORT_START 59 16499821Sjoerg#define SCTP_FR_CWND_REPORT_STOP 60 16599373Sjohan#define SCTP_CWND_LOG_FROM_SEND 61 16699373Sjohan#define SCTP_CWND_INITIALIZATION 62 16799373Sjohan#define SCTP_CWND_LOG_FROM_T3 63 16899821Sjoerg#define SCTP_CWND_LOG_FROM_SACK 64 16999821Sjoerg#define SCTP_CWND_LOG_NO_CUMACK 65 17099373Sjohan#define SCTP_CWND_LOG_FROM_RESEND 66 17199821Sjoerg#define SCTP_FR_LOG_CHECK_STRIKE 67 17299821Sjoerg#define SCTP_SEND_NOW_COMPLETES 68 17399373Sjohan#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 17499821Sjoerg#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 17599821Sjoerg#define SCTP_LOG_FREE_SENT 71 17699821Sjoerg#define SCTP_NAGLE_APPLIED 72 177227244Sed#define SCTP_NAGLE_SKIPPED 73 17899821Sjoerg#define SCTP_WAKESND_FROM_SACK 74 17999821Sjoerg#define SCTP_WAKESND_FROM_FWDTSN 75 18099821Sjoerg#define SCTP_NOWAKE_FROM_SACK 76 18199821Sjoerg#define SCTP_CWNDLOG_PRESEND 77 18299821Sjoerg#define SCTP_CWNDLOG_ENDSEND 78 18399821Sjoerg#define SCTP_AT_END_OF_SACK 79 18499821Sjoerg#define SCTP_REASON_FOR_SC 80 18599821Sjoerg#define SCTP_BLOCK_LOG_INTO_BLKA 81 18699821Sjoerg#define SCTP_ENTER_USER_RECV 82 18799821Sjoerg#define SCTP_USER_RECV_SACKS 83 18899821Sjoerg#define SCTP_SORECV_BLOCKSA 84 18999373Sjohan#define SCTP_SORECV_BLOCKSB 85 19099821Sjoerg#define SCTP_SORECV_DONE 86 19199821Sjoerg#define SCTP_SACK_RWND_UPDATE 87 19299373Sjohan#define SCTP_SORECV_ENTER 88 19399821Sjoerg#define SCTP_SORECV_ENTERPL 89 19499821Sjoerg#define SCTP_MBUF_INPUT 90 19599821Sjoerg#define SCTP_MBUF_IALLOC 91 19699821Sjoerg#define SCTP_MBUF_IFREE 92 19799821Sjoerg#define SCTP_MBUF_ICOPY 93 19899821Sjoerg#define SCTP_MBUF_SPLIT 94 19999821Sjoerg#define SCTP_SORCV_FREECTL 95 200227244Sed#define SCTP_SORCV_DOESCPY 96 20199821Sjoerg#define SCTP_SORCV_DOESLCK 97 20299821Sjoerg#define SCTP_SORCV_DOESADJ 98 20399821Sjoerg#define SCTP_SORCV_BOTWHILE 99 20499821Sjoerg#define SCTP_SORCV_PASSBF 100 20599821Sjoerg#define SCTP_SORCV_ADJD 101 20699821Sjoerg#define SCTP_UNKNOWN_MAX 102 20799821Sjoerg#define SCTP_RANDY_STUFF 103 20899821Sjoerg#define SCTP_RANDY_STUFF1 104 20999821Sjoerg#define SCTP_STRMOUT_LOG_ASSIGN 105 21099821Sjoerg#define SCTP_STRMOUT_LOG_SEND 106 21199821Sjoerg#define SCTP_FLIGHT_LOG_DOWN_CA 107 21299821Sjoerg#define SCTP_FLIGHT_LOG_UP 108 21399821Sjoerg#define SCTP_FLIGHT_LOG_DOWN_GAP 109 21499821Sjoerg#define SCTP_FLIGHT_LOG_DOWN_RSND 110 21599373Sjohan#define SCTP_FLIGHT_LOG_UP_RSND 111 21699821Sjoerg#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 21799821Sjoerg#define SCTP_FLIGHT_LOG_DOWN_WP 113 21899821Sjoerg#define SCTP_FLIGHT_LOG_UP_REVOKE 114 21999821Sjoerg#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 22099821Sjoerg#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 22199821Sjoerg#define SCTP_SACK_LOG_NORMAL 117 22299373Sjohan#define SCTP_SACK_LOG_EXPRESS 118 22399821Sjoerg#define SCTP_MAP_TSN_ENTERS 119 22499821Sjoerg#define SCTP_THRESHOLD_CLEAR 120 22599821Sjoerg#define SCTP_THRESHOLD_INCR 121 226227244Sed#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122 22799821Sjoerg#define SCTP_FWD_TSN_CHECK 123 22899821Sjoerg#define SCTP_LOG_MAX_TYPES 124 22999821Sjoerg/* 23099821Sjoerg * To turn on various logging, you must first enable 'options KTR' and 23199821Sjoerg * you might want to bump the entires 'options KTR_ENTRIES=80000'. 23299821Sjoerg * To get something to log you define one of the logging defines. 23399821Sjoerg * (see LINT). 23499821Sjoerg * 23599821Sjoerg * This gets the compile in place, but you still need to turn the 23699821Sjoerg * logging flag on too in the sysctl (see in sctp.h). 23799821Sjoerg */ 23899821Sjoerg 23999821Sjoerg#define SCTP_LOG_EVENT_UNKNOWN 0 24099821Sjoerg#define SCTP_LOG_EVENT_CWND 1 24199821Sjoerg#define SCTP_LOG_EVENT_BLOCK 2 24299821Sjoerg#define SCTP_LOG_EVENT_STRM 3 24399821Sjoerg#define SCTP_LOG_EVENT_FR 4 24499821Sjoerg#define SCTP_LOG_EVENT_MAP 5 24599821Sjoerg#define SCTP_LOG_EVENT_MAXBURST 6 24699821Sjoerg#define SCTP_LOG_EVENT_RWND 7 24799373Sjohan#define SCTP_LOG_EVENT_MBCNT 8 24899373Sjohan#define SCTP_LOG_EVENT_SACK 9 24999821Sjoerg#define SCTP_LOG_LOCK_EVENT 10 25099821Sjoerg#define SCTP_LOG_EVENT_RTT 11 25199821Sjoerg#define SCTP_LOG_EVENT_SB 12 252227244Sed#define SCTP_LOG_EVENT_NAGLE 13 25399821Sjoerg#define SCTP_LOG_EVENT_WAKE 14 25499373Sjohan#define SCTP_LOG_MISC_EVENT 15 25599821Sjoerg#define SCTP_LOG_EVENT_CLOSE 16 25699821Sjoerg#define SCTP_LOG_EVENT_MBUF 17 25799821Sjoerg#define SCTP_LOG_CHUNK_PROC 18 25899821Sjoerg#define SCTP_LOG_ERROR_RET 19 25999821Sjoerg 26099821Sjoerg#define SCTP_LOG_MAX_EVENT 20 26199821Sjoerg 26299373Sjohan#define SCTP_LOCK_UNKNOWN 2 26399821Sjoerg 26499821Sjoerg 26599821Sjoerg/* number of associations by default for zone allocation */ 26699821Sjoerg#define SCTP_MAX_NUM_OF_ASOC 40000 267100608Sjohan/* how many addresses per assoc remote and local */ 268100608Sjohan#define SCTP_SCALE_FOR_ADDR 2 26999821Sjoerg 27099821Sjoerg/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 27199821Sjoerg#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 27299821Sjoerg 27399821Sjoerg/* 27499821Sjoerg * Theshold for rwnd updates, we have to read (sb_hiwat >> 27599821Sjoerg * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 27699821Sjoerg * window update sack. When we look, we compare the last rwnd we sent vs the 27799821Sjoerg * current rwnd. It too must be greater than this value. Using 3 divdes the 27899821Sjoerg * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 279100608Sjohan * to read 8k. This seems about right.. I hope :-D.. we do set a 28099821Sjoerg * min of a MTU on it so if the rwnd is real small we will insist 28199821Sjoerg * on a full MTU of 1500 bytes. 282100691Sjohan */ 283100691Sjohan#define SCTP_RWND_HIWAT_SHIFT 3 28499821Sjoerg 28599821Sjoerg/* How much of the rwnd must the 28699821Sjoerg * message be taking up to start partial delivery. 28799821Sjoerg * We calculate this by shifing the hi_water (recv_win) 28899821Sjoerg * left the following .. set to 1, when a message holds 28999821Sjoerg * 1/2 the rwnd. If we set it to 2 when a message holds 29099821Sjoerg * 1/4 the rwnd...etc.. 29199821Sjoerg */ 29299821Sjoerg 29399821Sjoerg#define SCTP_PARTIAL_DELIVERY_SHIFT 1 29499821Sjoerg 29599821Sjoerg/* 29699821Sjoerg * default HMAC for cookies, etc... use one of the AUTH HMAC id's 29799821Sjoerg * SCTP_HMAC is the HMAC_ID to use 29899821Sjoerg * SCTP_SIGNATURE_SIZE is the digest length 29999821Sjoerg */ 30099821Sjoerg#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 30199821Sjoerg#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 30299821Sjoerg#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 30399821Sjoerg 30499821Sjoerg/* 30599821Sjoerg * the SCTP protocol signature this includes the version number encoded in 30699821Sjoerg * the last 4 bits of the signature. 30799821Sjoerg */ 30899821Sjoerg#define PROTO_SIGNATURE_A 0x30000000 30999821Sjoerg#define SCTP_VERSION_NUMBER 0x3 31099821Sjoerg 31199821Sjoerg#define MAX_TSN 0xffffffff 31299821Sjoerg 31399821Sjoerg/* how many executions every N tick's */ 31499821Sjoerg#define SCTP_ITERATOR_MAX_AT_ONCE 20 31599821Sjoerg 31699821Sjoerg/* number of clock ticks between iterator executions */ 31799821Sjoerg#define SCTP_ITERATOR_TICKS 1 31899821Sjoerg 31999821Sjoerg/* 32099821Sjoerg * option: If you comment out the following you will receive the old behavior 32199821Sjoerg * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 32299821Sjoerg * happens right away with-out waiting for the flightsize to drop below the 32399821Sjoerg * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 32499821Sjoerg */ 32599821Sjoerg#define SCTP_IGNORE_CWND_ON_FR 1 32699821Sjoerg 32799821Sjoerg/* 32899821Sjoerg * Adds implementors guide behavior to only use newest highest update in SACK 32999821Sjoerg * gap ack's to figure out if you need to stroke a chunk for FR. 33099821Sjoerg */ 33199821Sjoerg#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 332179888Sjoerg 333179888Sjoerg/* default max I can burst out after a fast retransmit, 0 disables it */ 334179888Sjoerg#define SCTP_DEF_MAX_BURST 4 335179888Sjoerg#define SCTP_DEF_HBMAX_BURST 4 336179888Sjoerg#define SCTP_DEF_FRMAX_BURST 4 337179888Sjoerg 338179888Sjoerg/* RTO calculation flag to say if it 339179888Sjoerg * is safe to determine local lan or not. 340179888Sjoerg */ 341179888Sjoerg#define SCTP_RTT_FROM_NON_DATA 0 342179888Sjoerg#define SCTP_RTT_FROM_DATA 1 343179888Sjoerg 344179888Sjoerg 34599821Sjoerg/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 346179888Sjoerg#define SCTP_FIRST_MBUF_RESV 68 347179888Sjoerg/* Packet transmit states in the sent field */ 348179888Sjoerg#define SCTP_DATAGRAM_UNSENT 0 349179888Sjoerg#define SCTP_DATAGRAM_SENT 1 350179888Sjoerg#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 351179888Sjoerg * hit this value) */ 352179888Sjoerg#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 353179888Sjoerg * hit this value) */ 35499821Sjoerg#define SCTP_DATAGRAM_RESEND 4 35599821Sjoerg#define SCTP_DATAGRAM_ACKED 10010 35699821Sjoerg#define SCTP_DATAGRAM_MARKED 20010 35799821Sjoerg#define SCTP_FORWARD_TSN_SKIP 30010 35899821Sjoerg#define SCTP_DATAGRAM_NR_ACKED 40010 35999821Sjoerg 36099821Sjoerg/* chunk output send from locations */ 36199821Sjoerg#define SCTP_OUTPUT_FROM_USR_SEND 0 36299821Sjoerg#define SCTP_OUTPUT_FROM_T3 1 36399821Sjoerg#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 36499821Sjoerg#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 36599821Sjoerg#define SCTP_OUTPUT_FROM_SACK_TMR 4 36699821Sjoerg#define SCTP_OUTPUT_FROM_SHUT_TMR 5 36799821Sjoerg#define SCTP_OUTPUT_FROM_HB_TMR 6 36899821Sjoerg#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 36999821Sjoerg#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 37099821Sjoerg#define SCTP_OUTPUT_FROM_STRRST_TMR 9 37199821Sjoerg#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 37299821Sjoerg#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 37399821Sjoerg#define SCTP_OUTPUT_FROM_STRRST_REQ 12 37499821Sjoerg#define SCTP_OUTPUT_FROM_USR_RCVD 13 37599821Sjoerg#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 37699373Sjohan#define SCTP_OUTPUT_FROM_DRAIN 15 37799821Sjoerg#define SCTP_OUTPUT_FROM_CLOSING 16 37899821Sjoerg#define SCTP_OUTPUT_FROM_SOCKOPT 17 37999821Sjoerg 38099821Sjoerg/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 38199821Sjoerg 38299821Sjoerg/* align to 32-bit sizes */ 38399821Sjoerg#define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2) 384102246Sjohan 38599821Sjoerg#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 38699821Sjoerg#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 38799821Sjoerg 38899821Sjoerg 38999821Sjoerg/* SCTP parameter types */ 39099821Sjoerg/*************0x0000 series*************/ 391132198Stjr#define SCTP_HEARTBEAT_INFO 0x0001 392132198Stjr#define SCTP_IPV4_ADDRESS 0x0005 39399821Sjoerg#define SCTP_IPV6_ADDRESS 0x0006 39499821Sjoerg#define SCTP_STATE_COOKIE 0x0007 39599821Sjoerg#define SCTP_UNRECOG_PARAM 0x0008 39699821Sjoerg#define SCTP_COOKIE_PRESERVE 0x0009 39799821Sjoerg#define SCTP_HOSTNAME_ADDRESS 0x000b 39899821Sjoerg#define SCTP_SUPPORTED_ADDRTYPE 0x000c 39999821Sjoerg 40099821Sjoerg/* draft-ietf-stewart-tsvwg-strreset-xxx */ 40199821Sjoerg#define SCTP_STR_RESET_OUT_REQUEST 0x000d 40299821Sjoerg#define SCTP_STR_RESET_IN_REQUEST 0x000e 40399821Sjoerg#define SCTP_STR_RESET_TSN_REQUEST 0x000f 40499821Sjoerg#define SCTP_STR_RESET_RESPONSE 0x0010 40599821Sjoerg#define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011 40699821Sjoerg#define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012 40799821Sjoerg 40899821Sjoerg#define SCTP_MAX_RESET_PARAMS 2 40999821Sjoerg#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 41099821Sjoerg 41199821Sjoerg/*************0x4000 series*************/ 41299821Sjoerg 41399821Sjoerg/*************0x8000 series*************/ 41499821Sjoerg#define SCTP_ECN_CAPABLE 0x8000 41599821Sjoerg 41699821Sjoerg/* draft-ietf-tsvwg-auth-xxx */ 41799821Sjoerg#define SCTP_RANDOM 0x8002 41899821Sjoerg#define SCTP_CHUNK_LIST 0x8003 41999821Sjoerg#define SCTP_HMAC_LIST 0x8004 42099821Sjoerg/* 42199821Sjoerg * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 42299821Sjoerg * | Byte Byte | Byte ... 42399821Sjoerg * 42499821Sjoerg * Where each byte is a chunk type extension supported. For example, to support 42599821Sjoerg * all chunks one would have (in hex): 42699821Sjoerg * 42799821Sjoerg * 80 01 00 09 C0 C1 80 81 82 00 00 00 42899821Sjoerg * 42999821Sjoerg * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 43099821Sjoerg * = Packet Drop 82 = Stream Reset 83 = Authentication 43199821Sjoerg */ 43299821Sjoerg#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 43399821Sjoerg 43499821Sjoerg/*************0xC000 series*************/ 43599821Sjoerg#define SCTP_PRSCTP_SUPPORTED 0xc000 43699821Sjoerg/* draft-ietf-tsvwg-addip-sctp */ 43799821Sjoerg#define SCTP_ADD_IP_ADDRESS 0xc001 43899821Sjoerg#define SCTP_DEL_IP_ADDRESS 0xc002 43999821Sjoerg#define SCTP_ERROR_CAUSE_IND 0xc003 44099821Sjoerg#define SCTP_SET_PRIM_ADDR 0xc004 44199821Sjoerg#define SCTP_SUCCESS_REPORT 0xc005 44299821Sjoerg#define SCTP_ULP_ADAPTATION 0xc006 44399821Sjoerg/* behave-nat-draft */ 44499821Sjoerg#define SCTP_HAS_NAT_SUPPORT 0xc007 445102246Sjohan#define SCTP_NAT_VTAGS 0xc008 44699821Sjoerg 44799821Sjoerg/* bits for TOS field */ 44899821Sjoerg#define SCTP_ECT0_BIT 0x02 44999821Sjoerg#define SCTP_ECT1_BIT 0x01 45099821Sjoerg#define SCTP_CE_BITS 0x03 45199821Sjoerg 45299821Sjoerg/* below turns off above */ 45399821Sjoerg#define SCTP_FLEXIBLE_ADDRESS 0x20 45499821Sjoerg#define SCTP_NO_HEARTBEAT 0x40 45599821Sjoerg 45699821Sjoerg/* mask to get sticky */ 457102246Sjohan#define SCTP_STICKY_OPTIONS_MASK 0x0c 458102246Sjohan 459102246Sjohan 460102246Sjohan/* 461102246Sjohan * SCTP states for internal state machine 462102246Sjohan */ 463102246Sjohan#define SCTP_STATE_EMPTY 0x0000 464102246Sjohan#define SCTP_STATE_INUSE 0x0001 465102246Sjohan#define SCTP_STATE_COOKIE_WAIT 0x0002 466102246Sjohan#define SCTP_STATE_COOKIE_ECHOED 0x0004 467102246Sjohan#define SCTP_STATE_OPEN 0x0008 468102246Sjohan#define SCTP_STATE_SHUTDOWN_SENT 0x0010 469102246Sjohan#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 470102246Sjohan#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 471102246Sjohan#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 472102246Sjohan#define SCTP_STATE_CLOSED_SOCKET 0x0100 473102246Sjohan#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 47499821Sjoerg#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 47599821Sjoerg#define SCTP_STATE_WAS_ABORTED 0x0800 47699821Sjoerg#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000 47799821Sjoerg#define SCTP_STATE_MASK 0x007f 47899821Sjoerg 47999821Sjoerg#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 48099821Sjoerg#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate) 48199821Sjoerg#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate) 48299821Sjoerg#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate) 483102246Sjohan 484102246Sjohan/* SCTP reachability state for each address */ 485102246Sjohan#define SCTP_ADDR_REACHABLE 0x001 486102246Sjohan#define SCTP_ADDR_NO_PMTUD 0x002 487102246Sjohan#define SCTP_ADDR_NOHB 0x004 488102246Sjohan#define SCTP_ADDR_BEING_DELETED 0x008 48999821Sjoerg#define SCTP_ADDR_NOT_IN_ASSOC 0x010 49099821Sjoerg#define SCTP_ADDR_OUT_OF_SCOPE 0x080 491102246Sjohan#define SCTP_ADDR_UNCONFIRMED 0x200 492102246Sjohan#define SCTP_ADDR_REQ_PRIMARY 0x400 493102246Sjohan/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 494102246Sjohan#define SCTP_ADDR_PF 0x800 495102246Sjohan 496102246Sjohan/* bound address types (e.g. valid address types to allow) */ 497102246Sjohan#define SCTP_BOUND_V6 0x01 498102246Sjohan#define SCTP_BOUND_V4 0x02 499102246Sjohan 500102246Sjohan/* 501102246Sjohan * what is the default number of mbufs in a chain I allow before switching to 502102246Sjohan * a cluster 503102246Sjohan */ 504102246Sjohan#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 505102246Sjohan 506102246Sjohan/* How long a cookie lives in milli-seconds */ 507102246Sjohan#define SCTP_DEFAULT_COOKIE_LIFE 60000 508102246Sjohan 509102246Sjohan/* Maximum the mapping array will grow to (TSN mapping array) */ 510102246Sjohan#define SCTP_MAPPING_ARRAY 512 511102246Sjohan 512102246Sjohan/* size of the inital malloc on the mapping array */ 513102246Sjohan#define SCTP_INITIAL_MAPPING_ARRAY 16 514102246Sjohan/* how much we grow the mapping array each call */ 515102246Sjohan#define SCTP_MAPPING_ARRAY_INCR 32 516102246Sjohan 517102246Sjohan/* 518102246Sjohan * Here we define the timer types used by the implementation as arguments in 519102246Sjohan * the set/get timer type calls. 520102246Sjohan */ 521102246Sjohan#define SCTP_TIMER_INIT 0 522102246Sjohan#define SCTP_TIMER_RECV 1 523102246Sjohan#define SCTP_TIMER_SEND 2 524102246Sjohan#define SCTP_TIMER_HEARTBEAT 3 525102246Sjohan#define SCTP_TIMER_PMTU 4 526102246Sjohan#define SCTP_TIMER_MAXSHUTDOWN 5 527102246Sjohan#define SCTP_TIMER_SIGNATURE 6 528102246Sjohan/* 529102246Sjohan * number of timer types in the base SCTP structure used in the set/get and 530102246Sjohan * has the base default. 531102246Sjohan */ 532102246Sjohan#define SCTP_NUM_TMRS 7 533102246Sjohan 534102246Sjohan/* timer types */ 535102246Sjohan#define SCTP_TIMER_TYPE_NONE 0 536102246Sjohan#define SCTP_TIMER_TYPE_SEND 1 537102246Sjohan#define SCTP_TIMER_TYPE_INIT 2 538102246Sjohan#define SCTP_TIMER_TYPE_RECV 3 539102246Sjohan#define SCTP_TIMER_TYPE_SHUTDOWN 4 540102246Sjohan#define SCTP_TIMER_TYPE_HEARTBEAT 5 541102246Sjohan#define SCTP_TIMER_TYPE_COOKIE 6 542102246Sjohan#define SCTP_TIMER_TYPE_NEWCOOKIE 7 543102246Sjohan#define SCTP_TIMER_TYPE_PATHMTURAISE 8 544102246Sjohan#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 545102246Sjohan#define SCTP_TIMER_TYPE_ASCONF 10 546102246Sjohan#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 547102246Sjohan#define SCTP_TIMER_TYPE_AUTOCLOSE 12 548102246Sjohan#define SCTP_TIMER_TYPE_EVENTWAKE 13 54999821Sjoerg#define SCTP_TIMER_TYPE_STRRESET 14 550102246Sjohan#define SCTP_TIMER_TYPE_INPKILL 15 551102246Sjohan#define SCTP_TIMER_TYPE_ASOCKILL 16 55299821Sjoerg#define SCTP_TIMER_TYPE_ADDR_WQ 17 55399821Sjoerg#define SCTP_TIMER_TYPE_ZERO_COPY 18 55499821Sjoerg#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 19 55599821Sjoerg#define SCTP_TIMER_TYPE_PRIM_DELETED 20 55699821Sjoerg/* add new timers here - and increment LAST */ 55799821Sjoerg#define SCTP_TIMER_TYPE_LAST 21 55899821Sjoerg 55999821Sjoerg#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 560102246Sjohan ((t) < SCTP_TIMER_TYPE_LAST)) 56199821Sjoerg 56299821Sjoerg 56399821Sjoerg 56499821Sjoerg/* max number of TSN's dup'd that I will hold */ 56599821Sjoerg#define SCTP_MAX_DUP_TSNS 20 56699821Sjoerg 56799821Sjoerg/* 56899821Sjoerg * Here we define the types used when setting the retry amounts. 56999821Sjoerg */ 570102246Sjohan/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 571102246Sjohan#define SCTP_RETRY_DROPPED_THRESH 4 572102246Sjohan 573102246Sjohan/* 574102246Sjohan * Maxmium number of chunks a single association can have on it. Note that 575102246Sjohan * this is a squishy number since the count can run over this if the user 576102246Sjohan * sends a large message down .. the fragmented chunks don't count until 577102246Sjohan * AFTER the message is on queue.. it would be the next send that blocks 578102246Sjohan * things. This number will get tuned up at boot in the sctp_init and use the 579102246Sjohan * number of clusters as a base. This way high bandwidth environments will 580102246Sjohan * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 581102246Sjohan */ 582102246Sjohan#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 583102246Sjohan 584102246Sjohan 585102246Sjohan/* The conversion from time to ticks and vice versa is done by rounding 586102246Sjohan * upwards. This way we can test in the code the time to be positive and 58799821Sjoerg * know that this corresponds to a positive number of ticks. 58899821Sjoerg */ 58999821Sjoerg#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 59099821Sjoerg#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 59199821Sjoerg 59299821Sjoerg#define SEC_TO_TICKS(x) ((x) * hz) 59399821Sjoerg#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 59499821Sjoerg 59599821Sjoerg/* 59699821Sjoerg * Basically the minimum amount of time before I do a early FR. Making this 59799821Sjoerg * value to low will cause duplicate retransmissions. 59899821Sjoerg */ 59999821Sjoerg#define SCTP_MINFR_MSEC_TIMER 250 60099821Sjoerg/* The floor this value is allowed to fall to when starting a timer. */ 60199821Sjoerg#define SCTP_MINFR_MSEC_FLOOR 20 602102246Sjohan 60399821Sjoerg/* init timer def = 1 sec */ 60499821Sjoerg#define SCTP_INIT_SEC 1 60599821Sjoerg 60699821Sjoerg/* send timer def = 1 seconds */ 60799821Sjoerg#define SCTP_SEND_SEC 1 60899821Sjoerg 60999821Sjoerg/* recv timer def = 200ms */ 61099821Sjoerg#define SCTP_RECV_MSEC 200 611102246Sjohan 61299821Sjoerg/* 30 seconds + RTO (in ms) */ 61399821Sjoerg#define SCTP_HB_DEFAULT_MSEC 30000 61499821Sjoerg 61599821Sjoerg/* Max time I will wait for Shutdown to complete */ 616102246Sjohan#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 61799821Sjoerg 61899821Sjoerg 61999821Sjoerg/* 62099821Sjoerg * This is how long a secret lives, NOT how long a cookie lives how many 62199821Sjoerg * ticks the current secret will live. 62299821Sjoerg */ 62399821Sjoerg#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 62499821Sjoerg 62599821Sjoerg#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 62699821Sjoerg#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */ 62799821Sjoerg#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 62899821Sjoerg 62999821Sjoerg 63099821Sjoerg#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 63199821Sjoerg#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 63299821Sjoerg 63399821Sjoerg#define SCTP_DEF_MAX_INIT 8 63499821Sjoerg#define SCTP_DEF_MAX_SEND 10 63599821Sjoerg#define SCTP_DEF_MAX_PATH_RTX 5 63699821Sjoerg#define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX 637102246Sjohan 638102246Sjohan#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 639102246Sjohan 640102246Sjohan 641102246Sjohan/* How many streams I request initally by default */ 642102246Sjohan#define SCTP_OSTREAM_INITIAL 10 643102246Sjohan#define SCTP_ISTREAM_INITIAL 2048 644102246Sjohan 645102246Sjohan/* 646102246Sjohan * How many smallest_mtu's need to increase before a window update sack is 647102246Sjohan * sent (should be a power of 2). 648102246Sjohan */ 649102246Sjohan/* Send window update (incr * this > hiwat). Should be a power of 2 */ 650102246Sjohan#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 651102246Sjohan 65299821Sjoerg#define SCTP_ADDRMAX 16 65399821Sjoerg 65499821Sjoerg/* SCTP DEBUG Switch parameters */ 65599821Sjoerg#define SCTP_DEBUG_TIMER1 0x00000001 65699821Sjoerg#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 65799821Sjoerg#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 65899821Sjoerg#define SCTP_DEBUG_TIMER4 0x00000008 65999821Sjoerg#define SCTP_DEBUG_OUTPUT1 0x00000010 66099821Sjoerg#define SCTP_DEBUG_OUTPUT2 0x00000020 66199821Sjoerg#define SCTP_DEBUG_OUTPUT3 0x00000040 66299821Sjoerg#define SCTP_DEBUG_OUTPUT4 0x00000080 66399821Sjoerg#define SCTP_DEBUG_UTIL1 0x00000100 66499821Sjoerg#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 66599821Sjoerg#define SCTP_DEBUG_AUTH1 0x00000400 66699821Sjoerg#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 66799821Sjoerg#define SCTP_DEBUG_INPUT1 0x00001000 66899821Sjoerg#define SCTP_DEBUG_INPUT2 0x00002000 66999821Sjoerg#define SCTP_DEBUG_INPUT3 0x00004000 67099821Sjoerg#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 67199821Sjoerg#define SCTP_DEBUG_ASCONF1 0x00010000 67299821Sjoerg#define SCTP_DEBUG_ASCONF2 0x00020000 67399821Sjoerg#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 67499821Sjoerg#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 67599821Sjoerg#define SCTP_DEBUG_PCB1 0x00100000 67699821Sjoerg#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 67799821Sjoerg#define SCTP_DEBUG_PCB3 0x00400000 67899821Sjoerg#define SCTP_DEBUG_PCB4 0x00800000 67999821Sjoerg#define SCTP_DEBUG_INDATA1 0x01000000 68099821Sjoerg#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 68199821Sjoerg#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 68299821Sjoerg#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 68399821Sjoerg#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 68499821Sjoerg#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 68599821Sjoerg#define SCTP_DEBUG_PEEL1 0x40000000 68699821Sjoerg#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 68799821Sjoerg#define SCTP_DEBUG_ALL 0x7ff3ffff 68899821Sjoerg#define SCTP_DEBUG_NOISY 0x00040000 68999821Sjoerg 69099821Sjoerg/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 69199821Sjoerg#define SCTP_SWS_SENDER_DEF 1420 69299821Sjoerg 693/* 694 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 695 * would be hiwat/2 etc. 696 */ 697/* What receiver needs to see in sockbuf or we tell peer its 1 */ 698#define SCTP_SWS_RECEIVER_DEF 3000 699 700#define SCTP_INITIAL_CWND 4380 701 702#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 703/* amount peer is obligated to have in rwnd or I will abort */ 704#define SCTP_MIN_RWND 1500 705 706#define SCTP_DEFAULT_MAXSEGMENT 65535 707 708#define SCTP_CHUNK_BUFFER_SIZE 512 709#define SCTP_PARAM_BUFFER_SIZE 512 710 711/* small chunk store for looking at chunk_list in auth */ 712#define SCTP_SMALL_CHUNK_STORE 260 713 714#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 715 716#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 717#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 718 719 720/* 721 * SCTP upper layer notifications 722 */ 723#define SCTP_NOTIFY_ASSOC_UP 1 724#define SCTP_NOTIFY_ASSOC_DOWN 2 725#define SCTP_NOTIFY_INTERFACE_DOWN 3 726#define SCTP_NOTIFY_INTERFACE_UP 4 727#define SCTP_NOTIFY_SENT_DG_FAIL 5 728#define SCTP_NOTIFY_UNSENT_DG_FAIL 6 729#define SCTP_NOTIFY_SPECIAL_SP_FAIL 7 730#define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8 731#define SCTP_NOTIFY_ASSOC_REM_ABORTED 9 732#define SCTP_NOTIFY_ASSOC_RESTART 10 733#define SCTP_NOTIFY_PEER_SHUTDOWN 11 734#define SCTP_NOTIFY_ASCONF_ADD_IP 12 735#define SCTP_NOTIFY_ASCONF_DELETE_IP 13 736#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14 737#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15 738#define SCTP_NOTIFY_INTERFACE_CONFIRMED 16 739#define SCTP_NOTIFY_STR_RESET_RECV 17 740#define SCTP_NOTIFY_STR_RESET_SEND 18 741#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19 742#define SCTP_NOTIFY_STR_RESET_FAILED_IN 20 743#define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21 744#define SCTP_NOTIFY_STR_RESET_DENIED_IN 22 745#define SCTP_NOTIFY_AUTH_NEW_KEY 23 746#define SCTP_NOTIFY_AUTH_FREE_KEY 24 747#define SCTP_NOTIFY_NO_PEER_AUTH 25 748#define SCTP_NOTIFY_SENDER_DRY 26 749#define SCTP_NOTIFY_REMOTE_ERROR 27 750 751/* This is the value for messages that are NOT completely 752 * copied down where we will start to split the message. 753 * So, with our default, we split only if the piece we 754 * want to take will fill up a full MTU (assuming 755 * a 1500 byte MTU). 756 */ 757#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 758 759/* Maximum length of diagnostic information in error causes */ 760#define SCTP_DIAG_INFO_LEN 64 761 762/* ABORT CODES and other tell-tale location 763 * codes are generated by adding the below 764 * to the instance id. 765 */ 766 767/* File defines */ 768#define SCTP_FROM_SCTP_INPUT 0x10000000 769#define SCTP_FROM_SCTP_PCB 0x20000000 770#define SCTP_FROM_SCTP_INDATA 0x30000000 771#define SCTP_FROM_SCTP_TIMER 0x40000000 772#define SCTP_FROM_SCTP_USRREQ 0x50000000 773#define SCTP_FROM_SCTPUTIL 0x60000000 774#define SCTP_FROM_SCTP6_USRREQ 0x70000000 775#define SCTP_FROM_SCTP_ASCONF 0x80000000 776#define SCTP_FROM_SCTP_OUTPUT 0x90000000 777#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 778#define SCTP_FROM_SCTP_PANDA 0xb0000000 779#define SCTP_FROM_SCTP_SYSCTL 0xc0000000 780#define SCTP_FROM_SCTP_CC_FUNCTIONS 0xd0000000 781 782/* Location ID's */ 783#define SCTP_LOC_1 0x00000001 784#define SCTP_LOC_2 0x00000002 785#define SCTP_LOC_3 0x00000003 786#define SCTP_LOC_4 0x00000004 787#define SCTP_LOC_5 0x00000005 788#define SCTP_LOC_6 0x00000006 789#define SCTP_LOC_7 0x00000007 790#define SCTP_LOC_8 0x00000008 791#define SCTP_LOC_9 0x00000009 792#define SCTP_LOC_10 0x0000000a 793#define SCTP_LOC_11 0x0000000b 794#define SCTP_LOC_12 0x0000000c 795#define SCTP_LOC_13 0x0000000d 796#define SCTP_LOC_14 0x0000000e 797#define SCTP_LOC_15 0x0000000f 798#define SCTP_LOC_16 0x00000010 799#define SCTP_LOC_17 0x00000011 800#define SCTP_LOC_18 0x00000012 801#define SCTP_LOC_19 0x00000013 802#define SCTP_LOC_20 0x00000014 803#define SCTP_LOC_21 0x00000015 804#define SCTP_LOC_22 0x00000016 805#define SCTP_LOC_23 0x00000017 806#define SCTP_LOC_24 0x00000018 807#define SCTP_LOC_25 0x00000019 808#define SCTP_LOC_26 0x0000001a 809#define SCTP_LOC_27 0x0000001b 810#define SCTP_LOC_28 0x0000001c 811#define SCTP_LOC_29 0x0000001d 812#define SCTP_LOC_30 0x0000001e 813#define SCTP_LOC_31 0x0000001f 814#define SCTP_LOC_32 0x00000020 815#define SCTP_LOC_33 0x00000021 816#define SCTP_LOC_34 0x00000022 817#define SCTP_LOC_35 0x00000023 818 819 820/* Free assoc codes */ 821#define SCTP_NORMAL_PROC 0 822#define SCTP_PCBFREE_NOFORCE 1 823#define SCTP_PCBFREE_FORCE 2 824 825/* From codes for adding addresses */ 826#define SCTP_ADDR_IS_CONFIRMED 8 827#define SCTP_ADDR_DYNAMIC_ADDED 6 828#define SCTP_IN_COOKIE_PROC 100 829#define SCTP_ALLOC_ASOC 1 830#define SCTP_LOAD_ADDR_2 2 831#define SCTP_LOAD_ADDR_3 3 832#define SCTP_LOAD_ADDR_4 4 833#define SCTP_LOAD_ADDR_5 5 834 835#define SCTP_DONOT_SETSCOPE 0 836#define SCTP_DO_SETSCOPE 1 837 838 839/* This value determines the default for when 840 * we try to add more on the send queue., if 841 * there is room. This prevents us from cycling 842 * into the copy_resume routine to often if 843 * we have not got enough space to add a decent 844 * enough size message. Note that if we have enough 845 * space to complete the message copy we will always 846 * add to the message, no matter what the size. Its 847 * only when we reach the point that we have some left 848 * to add, there is only room for part of it that we 849 * will use this threshold. Its also a sysctl. 850 */ 851#define SCTP_DEFAULT_ADD_MORE 1452 852 853#ifndef SCTP_PCBHASHSIZE 854/* default number of association hash buckets in each endpoint */ 855#define SCTP_PCBHASHSIZE 256 856#endif 857#ifndef SCTP_TCBHASHSIZE 858#define SCTP_TCBHASHSIZE 1024 859#endif 860 861#ifndef SCTP_CHUNKQUEUE_SCALE 862#define SCTP_CHUNKQUEUE_SCALE 10 863#endif 864 865/* clock variance is 1 ms */ 866#define SCTP_CLOCK_GRANULARITY 1 867#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 868 * detracts a small amount for ipv4 but it 869 * simplifies the ipv6 addition */ 870 871/* Argument magic number for sctp_inpcb_free() */ 872 873/* third argument */ 874#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 875#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 876#define SCTP_CALLED_FROM_INPKILL_TIMER 2 877/* second argument */ 878#define SCTP_FREE_SHOULD_USE_ABORT 1 879#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 880 881#ifndef IPPROTO_SCTP 882#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 883#endif /* !IPPROTO_SCTP */ 884 885#define SCTP_MAX_DATA_BUNDLING 256 886 887/* modular comparison */ 888/* See RFC 1982 for details. */ 889#define SCTP_SSN_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \ 890 ((a > b) && ((uint16_t)(a - b) < (1U<<15)))) 891#define SCTP_SSN_GE(a, b) (SCTP_SSN_GT(a, b) || (a == b)) 892#define SCTP_TSN_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \ 893 ((a > b) && ((uint32_t)(a - b) < (1U<<31)))) 894#define SCTP_TSN_GE(a, b) (SCTP_TSN_GT(a, b) || (a == b)) 895 896/* Mapping array manipulation routines */ 897#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 898#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 899#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 900#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \ 901 if (tsn >= mapping_tsn) { \ 902 gap = tsn - mapping_tsn; \ 903 } else { \ 904 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \ 905 } \ 906 } while (0) 907 908 909#define SCTP_RETRAN_DONE -1 910#define SCTP_RETRAN_EXIT -2 911 912/* 913 * This value defines the number of vtag block time wait entry's per list 914 * element. Each entry will take 2 4 byte ints (and of course the overhead 915 * of the next pointer as well). Using 15 as an example will yield * ((8 * 916 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 917 * initialized. Increasing it to 31 would yeild 256 bytes per block. 918 */ 919#define SCTP_NUMBER_IN_VTAG_BLOCK 15 920/* 921 * If we use the STACK option, we have an array of this size head pointers. 922 * This array is mod'd the with the size to find which bucket and then all 923 * entries must be searched to see if the tag is in timed wait. If so we 924 * reject it. 925 */ 926#define SCTP_STACK_VTAG_HASH_SIZE 32 927 928/* 929 * Number of seconds of time wait for a vtag. 930 */ 931#define SCTP_TIME_WAIT 60 932 933/* How many micro seconds is the cutoff from 934 * local lan type rtt's 935 */ 936 /* 937 * We allow 900us for the rtt. 938 */ 939#define SCTP_LOCAL_LAN_RTT 900 940#define SCTP_LAN_UNKNOWN 0 941#define SCTP_LAN_LOCAL 1 942#define SCTP_LAN_INTERNET 2 943 944#define SCTP_SEND_BUFFER_SPLITTING 0x00000001 945#define SCTP_RECV_BUFFER_SPLITTING 0x00000002 946 947/* The system retains a cache of free chunks such to 948 * cut down on calls the memory allocation system. There 949 * is a per association limit of free items and a overall 950 * system limit. If either one gets hit then the resource 951 * stops being cached. 952 */ 953 954#define SCTP_DEF_ASOC_RESC_LIMIT 10 955#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 956 957/*- 958 * defines for socket lock states. 959 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING 960 */ 961#define SCTP_SO_LOCKED 1 962#define SCTP_SO_NOT_LOCKED 0 963 964 965#define SCTP_HOLDS_LOCK 1 966#define SCTP_NOT_LOCKED 0 967 968/*- 969 * For address locks, do we hold the lock? 970 */ 971#define SCTP_ADDR_LOCKED 1 972#define SCTP_ADDR_NOT_LOCKED 0 973 974#define IN4_ISPRIVATE_ADDRESS(a) \ 975 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 976 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 977 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 978 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 979 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 980 (((uint8_t *)&(a)->s_addr)[1] == 168))) 981 982#define IN4_ISLOOPBACK_ADDRESS(a) \ 983 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 984 (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 985 (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 986 (((uint8_t *)&(a)->s_addr)[3] == 1)) 987 988#define IN4_ISLINKLOCAL_ADDRESS(a) \ 989 ((((uint8_t *)&(a)->s_addr)[0] == 169) && \ 990 (((uint8_t *)&(a)->s_addr)[1] == 254)) 991 992 993#if defined(_KERNEL) 994#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 995#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 996#endif 997 998#if defined(_KERNEL) || defined(__Userspace__) 999#define sctp_sowwakeup(inp, so) \ 1000do { \ 1001 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1002 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1003 } else { \ 1004 sowwakeup(so); \ 1005 } \ 1006} while (0) 1007 1008#define sctp_sowwakeup_locked(inp, so) \ 1009do { \ 1010 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1011 SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1012 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1013 } else { \ 1014 sowwakeup_locked(so); \ 1015 } \ 1016} while (0) 1017 1018#define sctp_sorwakeup(inp, so) \ 1019do { \ 1020 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1021 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1022 } else { \ 1023 sorwakeup(so); \ 1024 } \ 1025} while (0) 1026 1027#define sctp_sorwakeup_locked(inp, so) \ 1028do { \ 1029 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1030 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1031 SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1032 } else { \ 1033 sorwakeup_locked(so); \ 1034 } \ 1035} while (0) 1036 1037#endif /* _KERNEL || __Userspace__ */ 1038#endif 1039