sctp_constants.h revision 169655
154558Sbp/*- 254558Sbp * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 354558Sbp * 454558Sbp * Redistribution and use in source and binary forms, with or without 554558Sbp * modification, are permitted provided that the following conditions are met: 654558Sbp * 754558Sbp * a) Redistributions of source code must retain the above copyright notice, 854558Sbp * this list of conditions and the following disclaimer. 954558Sbp * 1054558Sbp * b) Redistributions in binary form must reproduce the above copyright 1154558Sbp * notice, this list of conditions and the following disclaimer in 1254558Sbp * the documentation and/or other materials provided with the distribution. 1354558Sbp * 1454558Sbp * c) Neither the name of Cisco Systems, Inc. nor the names of its 1554558Sbp * contributors may be used to endorse or promote products derived 1654558Sbp * from this software without specific prior written permission. 1754558Sbp * 1854558Sbp * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1954558Sbp * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 2054558Sbp * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2154558Sbp * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 2254558Sbp * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2354558Sbp * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2454558Sbp * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2554558Sbp * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2654558Sbp * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2754558Sbp * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 2854558Sbp * THE POSSIBILITY OF SUCH DAMAGE. 2954558Sbp */ 3054558Sbp 3154558Sbp/* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */ 3254558Sbp 3354558Sbp#include <sys/cdefs.h> 3454558Sbp__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 169655 2007-05-17 12:16:24Z rrs $"); 3554558Sbp 3654558Sbp#ifndef __sctp_constants_h__ 3754558Sbp#define __sctp_constants_h__ 3854558Sbp 3954558Sbp/* Number of packets to get before sack sent by default */ 4054558Sbp#define SCTP_DEFAULT_SACK_FREQ 2 4154558Sbp 4254558Sbp/* Address limit - This variable is calculated 4354558Sbp * based on an 65535 byte max ip packet. We take out 100 bytes 4454558Sbp * for the cookie, 40 bytes for a v6 header and 32 4554558Sbp * bytes for the init structure. A second init structure 4654558Sbp * for the init-ack and then finally a third one for the 4754558Sbp * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 4854558Sbp * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 4954558Sbp * Now whatever we send in the INIT() we need to allow to get back in the 5054558Sbp * INIT-ACK plus all the values from INIT and INIT-ACK 5154558Sbp * listed in the cookie. Plus we need some overhead for 5254558Sbp * maybe copied parameters in the COOKIE. If we 5354558Sbp * allow 1080 addresses, and each side has 1080 V6 addresses 5454558Sbp * that will be 21600 bytes. In the INIT-ACK we will 5554558Sbp * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 5654558Sbp * about 500 bytes slack for misc things in the cookie. 5754558Sbp */ 5854558Sbp#define SCTP_ADDRESS_LIMIT 1080 5954558Sbp 6054558Sbp/* Number of addresses where we just skip the counting */ 6154558Sbp#define SCTP_COUNT_LIMIT 40 6254558Sbp 6354558Sbp/* Number of ticks to delay before running 6454558Sbp * iterator on an address change. 6554558Sbp */ 6654558Sbp#define SCTP_ADDRESS_TICK_DELAY 2 6754558Sbp 6854558Sbp#define SCTP_VERSION_STRING "KAME-BSD 1.1" 6954558Sbp/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 7054558Sbp#define SCTP_AUDIT_SIZE 256 7154558Sbp#define SCTP_STAT_LOG_SIZE 80000 7254558Sbp 7354558Sbp#define SCTP_USE_THREAD_BASED_ITERATOR 1 7454558Sbp 7554558Sbp#define SCTP_KTRHEAD_NAME "sctp_iterator" 7654558Sbp#define SCTP_KTHREAD_PAGES 2 7754558Sbp 7854558Sbp 7954558Sbp/* If you support Multi-VRF how big to 8054558Sbp * make the initial array of VRF's to. 8154558Sbp */ 8254558Sbp#define SCTP_DEFAULT_VRF_SIZE 4 8354558Sbp 8454558Sbp/* Places that CWND log can happen from */ 8554558Sbp#define SCTP_CWND_LOG_FROM_FR 1 8654558Sbp#define SCTP_CWND_LOG_FROM_RTX 2 8754558Sbp#define SCTP_CWND_LOG_FROM_BRST 3 8854558Sbp#define SCTP_CWND_LOG_FROM_SS 4 8954558Sbp#define SCTP_CWND_LOG_FROM_CA 5 9054558Sbp#define SCTP_CWND_LOG_FROM_SAT 6 9154558Sbp#define SCTP_BLOCK_LOG_INTO_BLK 7 9254558Sbp#define SCTP_BLOCK_LOG_OUTOF_BLK 8 9354558Sbp#define SCTP_BLOCK_LOG_CHECK 9 9454558Sbp#define SCTP_STR_LOG_FROM_INTO_STRD 10 9554558Sbp#define SCTP_STR_LOG_FROM_IMMED_DEL 11 9654558Sbp#define SCTP_STR_LOG_FROM_INSERT_HD 12 9754558Sbp#define SCTP_STR_LOG_FROM_INSERT_MD 13 9854558Sbp#define SCTP_STR_LOG_FROM_INSERT_TL 14 9954558Sbp#define SCTP_STR_LOG_FROM_MARK_TSN 15 10054558Sbp#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 10154558Sbp#define SCTP_FR_LOG_BIGGEST_TSNS 17 10254558Sbp#define SCTP_FR_LOG_STRIKE_TEST 18 10354558Sbp#define SCTP_FR_LOG_STRIKE_CHUNK 19 10454558Sbp#define SCTP_FR_T3_TIMEOUT 20 10554558Sbp#define SCTP_MAP_PREPARE_SLIDE 21 10654558Sbp#define SCTP_MAP_SLIDE_FROM 22 10754558Sbp#define SCTP_MAP_SLIDE_RESULT 23 10854558Sbp#define SCTP_MAP_SLIDE_CLEARED 24 10954558Sbp#define SCTP_MAP_SLIDE_NONE 25 11054558Sbp#define SCTP_FR_T3_MARK_TIME 26 11154558Sbp#define SCTP_FR_T3_MARKED 27 11254558Sbp#define SCTP_FR_T3_STOPPED 28 11354558Sbp#define SCTP_FR_MARKED 30 11454558Sbp#define SCTP_CWND_LOG_NOADV_SS 31 11554558Sbp#define SCTP_CWND_LOG_NOADV_CA 32 11654558Sbp#define SCTP_MAX_BURST_APPLIED 33 11754558Sbp#define SCTP_MAX_IFP_APPLIED 34 11854558Sbp#define SCTP_MAX_BURST_ERROR_STOP 35 11954558Sbp#define SCTP_INCREASE_PEER_RWND 36 12054558Sbp#define SCTP_DECREASE_PEER_RWND 37 12154558Sbp#define SCTP_SET_PEER_RWND_VIA_SACK 38 12254558Sbp#define SCTP_LOG_MBCNT_INCREASE 39 12354558Sbp#define SCTP_LOG_MBCNT_DECREASE 40 12454558Sbp#define SCTP_LOG_MBCNT_CHKSET 41 12554558Sbp#define SCTP_LOG_NEW_SACK 42 12654558Sbp#define SCTP_LOG_TSN_ACKED 43 12754558Sbp#define SCTP_LOG_TSN_REVOKED 44 12854558Sbp#define SCTP_LOG_LOCK_TCB 45 12954558Sbp#define SCTP_LOG_LOCK_INP 46 13054558Sbp#define SCTP_LOG_LOCK_SOCK 47 13154558Sbp#define SCTP_LOG_LOCK_SOCKBUF_R 48 13254558Sbp#define SCTP_LOG_LOCK_SOCKBUF_S 49 13354558Sbp#define SCTP_LOG_LOCK_CREATE 50 13454558Sbp#define SCTP_LOG_INITIAL_RTT 51 13554558Sbp#define SCTP_LOG_RTTVAR 52 13654558Sbp#define SCTP_LOG_SBALLOC 53 13754558Sbp#define SCTP_LOG_SBFREE 54 13854558Sbp#define SCTP_LOG_SBRESULT 55 13954558Sbp#define SCTP_FR_DUPED 56 14054558Sbp#define SCTP_FR_MARKED_EARLY 57 14154558Sbp#define SCTP_FR_CWND_REPORT 58 14254558Sbp#define SCTP_FR_CWND_REPORT_START 59 14354558Sbp#define SCTP_FR_CWND_REPORT_STOP 60 14454558Sbp#define SCTP_CWND_LOG_FROM_SEND 61 14554558Sbp#define SCTP_CWND_INITIALIZATION 62 14654558Sbp#define SCTP_CWND_LOG_FROM_T3 63 14754558Sbp#define SCTP_CWND_LOG_FROM_SACK 64 14854558Sbp#define SCTP_CWND_LOG_NO_CUMACK 65 14954558Sbp#define SCTP_CWND_LOG_FROM_RESEND 66 15054558Sbp#define SCTP_FR_LOG_CHECK_STRIKE 67 15154558Sbp#define SCTP_SEND_NOW_COMPLETES 68 15254558Sbp#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 15354558Sbp#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 15454558Sbp#define SCTP_LOG_FREE_SENT 71 15554558Sbp#define SCTP_NAGLE_APPLIED 72 15654558Sbp#define SCTP_NAGLE_SKIPPED 73 15754558Sbp#define SCTP_WAKESND_FROM_SACK 74 15854558Sbp#define SCTP_WAKESND_FROM_FWDTSN 75 15954558Sbp#define SCTP_NOWAKE_FROM_SACK 76 16054558Sbp#define SCTP_CWNDLOG_PRESEND 77 16154558Sbp#define SCTP_CWNDLOG_ENDSEND 78 16254558Sbp#define SCTP_AT_END_OF_SACK 79 16354558Sbp#define SCTP_REASON_FOR_SC 80 16454558Sbp#define SCTP_BLOCK_LOG_INTO_BLKA 81 16554558Sbp#define SCTP_ENTER_USER_RECV 82 16654558Sbp#define SCTP_USER_RECV_SACKS 83 16754558Sbp#define SCTP_SORECV_BLOCKSA 84 16854558Sbp#define SCTP_SORECV_BLOCKSB 85 16954558Sbp#define SCTP_SORECV_DONE 86 17054558Sbp#define SCTP_SACK_RWND_UPDATE 87 17154558Sbp#define SCTP_SORECV_ENTER 88 17254558Sbp#define SCTP_SORECV_ENTERPL 89 17354558Sbp#define SCTP_MBUF_INPUT 90 17454558Sbp#define SCTP_MBUF_IALLOC 91 17554558Sbp#define SCTP_MBUF_IFREE 92 17654558Sbp#define SCTP_MBUF_ICOPY 93 17754558Sbp#define SCTP_SORCV_FREECTL 94 17854558Sbp#define SCTP_SORCV_DOESCPY 95 17954558Sbp#define SCTP_SORCV_DOESLCK 96 18054558Sbp#define SCTP_SORCV_DOESADJ 97 18154558Sbp#define SCTP_SORCV_BOTWHILE 98 18254558Sbp#define SCTP_SORCV_PASSBF 99 18354558Sbp#define SCTP_SORCV_ADJD 100 18454558Sbp#define SCTP_UNKNOWN_MAX 101 18554558Sbp#define SCTP_RANDY_STUFF 102 18654558Sbp#define SCTP_RANDY_STUFF1 103 18754558Sbp#define SCTP_STRMOUT_LOG_ASSIGN 104 18854558Sbp#define SCTP_STRMOUT_LOG_SEND 105 18954558Sbp#define SCTP_FLIGHT_LOG_DOWN_CA 106 19054558Sbp#define SCTP_FLIGHT_LOG_UP 107 19154558Sbp#define SCTP_FLIGHT_LOG_DOWN_GAP 108 19254558Sbp#define SCTP_FLIGHT_LOG_DOWN_RSND 109 19354558Sbp#define SCTP_FLIGHT_LOG_UP_RSND 110 19454558Sbp#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 111 19554558Sbp#define SCTP_FLIGHT_LOG_DOWN_WP 112 19654558Sbp#define SCTP_FLIGHT_LOG_UP_REVOKE 113 19754558Sbp#define SCTP_FLIGHT_LOG_DOWN_PDRP 114 19854558Sbp#define SCTP_FLIGHT_LOG_DOWN_PMTU 115 19954558Sbp#define SCTP_SACK_LOG_NORMAL 116 20054558Sbp#define SCTP_SACK_LOG_EXPRESS 117 20154558Sbp 20254558Sbp#define SCTP_LOG_MAX_TYPES 118 20354558Sbp/* 20454558Sbp * To turn on various logging, you must first define SCTP_STAT_LOGGING. Then 20554558Sbp * to get something to log you define one of the logging defines i.e. 20654558Sbp * 20754558Sbp * SCTP_CWND_LOGGING SCTP_BLK_LOGGING SCTP_STR_LOGGING SCTP_FR_LOGGING 20854558Sbp * 20954558Sbp * Any one or a combination of the logging can be turned on. 21054558Sbp */ 21154558Sbp#define SCTP_LOG_EVENT_UNKNOWN 0 21254558Sbp#define SCTP_LOG_EVENT_CWND 1 21354558Sbp#define SCTP_LOG_EVENT_BLOCK 2 21454558Sbp#define SCTP_LOG_EVENT_STRM 3 21554558Sbp#define SCTP_LOG_EVENT_FR 4 21654558Sbp#define SCTP_LOG_EVENT_MAP 5 21754558Sbp#define SCTP_LOG_EVENT_MAXBURST 6 21854558Sbp#define SCTP_LOG_EVENT_RWND 7 21954558Sbp#define SCTP_LOG_EVENT_MBCNT 8 22054558Sbp#define SCTP_LOG_EVENT_SACK 9 22154558Sbp#define SCTP_LOG_LOCK_EVENT 10 22254558Sbp#define SCTP_LOG_EVENT_RTT 11 22354558Sbp#define SCTP_LOG_EVENT_SB 12 22454558Sbp#define SCTP_LOG_EVENT_NAGLE 13 22554558Sbp#define SCTP_LOG_EVENT_WAKE 14 22654558Sbp#define SCTP_LOG_MISC_EVENT 15 22754558Sbp#define SCTP_LOG_EVENT_CLOSE 16 22854558Sbp#define SCTP_LOG_EVENT_MBUF 17 22954558Sbp 23054558Sbp#define SCTP_LOG_MAX_EVENT 18 23154558Sbp 23254558Sbp#define SCTP_LOCK_UNKNOWN 2 23354558Sbp 23454558Sbp 23554558Sbp/* number of associations by default for zone allocation */ 23654558Sbp#define SCTP_MAX_NUM_OF_ASOC 40000 23754558Sbp/* how many addresses per assoc remote and local */ 23854558Sbp#define SCTP_SCALE_FOR_ADDR 2 23954558Sbp 24054558Sbp/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 24154558Sbp#if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF) 24254558Sbp#define SCTP_DEFAULT_AUTO_ASCONF 0 24354558Sbp#else 24454558Sbp#define SCTP_DEFAULT_AUTO_ASCONF 1 24554558Sbp#endif 24654558Sbp 24754558Sbp/* 24854558Sbp * Theshold for rwnd updates, we have to read (sb_hiwat >> 24954558Sbp * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 25054558Sbp * window update sack. When we look, we compare the last rwnd we sent vs the 25154558Sbp * current rwnd. It too must be greater than this value. Using 3 divdes the 25254558Sbp * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 25354558Sbp * to read 8k. This seems about right.. I hope :-D.. we do set a 25454558Sbp * min of a MTU on it so if the rwnd is real small we will insist 25554558Sbp * on a full MTU of 1500 bytes. 25654558Sbp */ 25754558Sbp#define SCTP_RWND_HIWAT_SHIFT 3 25854558Sbp 25954558Sbp/* How much of the rwnd must the 26054558Sbp * message be taking up to start partial delivery. 26154558Sbp * We calculate this by shifing the hi_water (recv_win) 26254558Sbp * left the following .. set to 1, when a message holds 26354558Sbp * 1/2 the rwnd. If we set it to 2 when a message holds 26454558Sbp * 1/4 the rwnd...etc.. 26554558Sbp */ 26654558Sbp 26754558Sbp#define SCTP_PARTIAL_DELIVERY_SHIFT 1 26854558Sbp 26954558Sbp/* Minimum number of bytes read by user before we 27054558Sbp * condsider doing a rwnd update 27154558Sbp */ 27254558Sbp#define SCTP_MIN_READ_BEFORE_CONSIDERING 3000 27354558Sbp 27454558Sbp/* 27554558Sbp * default HMAC for cookies, etc... use one of the AUTH HMAC id's 27654558Sbp * SCTP_HMAC is the HMAC_ID to use 27754558Sbp * SCTP_SIGNATURE_SIZE is the digest length 27854558Sbp */ 27954558Sbp#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 28054558Sbp#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 28154558Sbp#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 28254558Sbp 28354558Sbp/* DEFINE HERE WHAT CRC YOU WANT TO USE */ 28454558Sbp#define SCTP_USECRC_RFC2960 1 28554558Sbp/* #define SCTP_USECRC_FLETCHER 1 */ 28654558Sbp/* #define SCTP_USECRC_SSHCRC32 1 */ 28754558Sbp/* #define SCTP_USECRC_FASTCRC32 1 */ 28854558Sbp/* #define SCTP_USECRC_CRC32 1 */ 28954558Sbp/* #define SCTP_USECRC_TCP32 1 */ 29054558Sbp/* #define SCTP_USECRC_CRC16SMAL 1 */ 29154558Sbp/* #define SCTP_USECRC_CRC16 1 */ 29254558Sbp/* #define SCTP_USECRC_MODADLER 1 */ 29354558Sbp 29454558Sbp#ifndef SCTP_ADLER32_BASE 29554558Sbp#define SCTP_ADLER32_BASE 65521 29654558Sbp#endif 29754558Sbp 29854558Sbp/* 29954558Sbp * the SCTP protocol signature this includes the version number encoded in 30054558Sbp * the last 4 bits of the signature. 30154558Sbp */ 30254558Sbp#define PROTO_SIGNATURE_A 0x30000000 30354558Sbp#define SCTP_VERSION_NUMBER 0x3 30454558Sbp 30554558Sbp#define MAX_TSN 0xffffffff 30654558Sbp#define MAX_SEQ 0xffff 30754558Sbp 30854558Sbp/* how many executions every N tick's */ 30954558Sbp#define SCTP_ITERATOR_MAX_AT_ONCE 20 31054558Sbp 31154558Sbp/* number of clock ticks between iterator executions */ 31254558Sbp#define SCTP_ITERATOR_TICKS 1 31354558Sbp 31454558Sbp/* 31554558Sbp * option: If you comment out the following you will receive the old behavior 31654558Sbp * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 31754558Sbp * happens right away with-out waiting for the flightsize to drop below the 31854558Sbp * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 31954558Sbp */ 32054558Sbp#define SCTP_IGNORE_CWND_ON_FR 1 32154558Sbp 32254558Sbp/* 32354558Sbp * Adds implementors guide behavior to only use newest highest update in SACK 32454558Sbp * gap ack's to figure out if you need to stroke a chunk for FR. 32554558Sbp */ 32654558Sbp#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 32754558Sbp 32854558Sbp/* default max I can burst out after a fast retransmit */ 32954558Sbp#define SCTP_DEF_MAX_BURST 4 33054558Sbp/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 33154558Sbp#define SCTP_FIRST_MBUF_RESV 68 33254558Sbp/* Packet transmit states in the sent field */ 33354558Sbp#define SCTP_DATAGRAM_UNSENT 0 33454558Sbp#define SCTP_DATAGRAM_SENT 1 33554558Sbp#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 33654558Sbp * hit this value) */ 33754558Sbp#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 33854558Sbp * hit this value) */ 33954558Sbp#define SCTP_DATAGRAM_RESEND 4 34054558Sbp#define SCTP_DATAGRAM_ACKED 10010 34154558Sbp#define SCTP_DATAGRAM_INBOUND 10011 34254558Sbp#define SCTP_READY_TO_TRANSMIT 10012 34354558Sbp#define SCTP_DATAGRAM_MARKED 20010 34454558Sbp#define SCTP_FORWARD_TSN_SKIP 30010 34554558Sbp 34654558Sbp/* chunk output send from locations */ 34754558Sbp#define SCTP_OUTPUT_FROM_USR_SEND 0 34854558Sbp#define SCTP_OUTPUT_FROM_T3 1 34954558Sbp#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 35054558Sbp#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 35154558Sbp#define SCTP_OUTPUT_FROM_SACK_TMR 4 35254558Sbp#define SCTP_OUTPUT_FROM_SHUT_TMR 5 35354558Sbp#define SCTP_OUTPUT_FROM_HB_TMR 6 35454558Sbp#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 35554558Sbp#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 35654558Sbp#define SCTP_OUTPUT_FROM_STRRST_TMR 9 35754558Sbp#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 35854558Sbp#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 35954558Sbp#define SCTP_OUTPUT_FROM_STRRST_REQ 12 36054558Sbp#define SCTP_OUTPUT_FROM_USR_RCVD 13 36154558Sbp#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 36254558Sbp#define SCTP_OUTPUT_FROM_DRAIN 15 36354558Sbp/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 36454558Sbp 36554558Sbp/* align to 32-bit sizes */ 36654558Sbp#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 36754558Sbp 36854558Sbp#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 36954558Sbp#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 37054558Sbp 37154558Sbp 37254558Sbp/* SCTP parameter types */ 37354558Sbp/*************0x0000 series*************/ 37454558Sbp#define SCTP_HEARTBEAT_INFO 0x0001 37554558Sbp#define SCTP_IPV4_ADDRESS 0x0005 37654558Sbp#define SCTP_IPV6_ADDRESS 0x0006 37754558Sbp#define SCTP_STATE_COOKIE 0x0007 37854558Sbp#define SCTP_UNRECOG_PARAM 0x0008 37954558Sbp#define SCTP_COOKIE_PRESERVE 0x0009 38054558Sbp#define SCTP_HOSTNAME_ADDRESS 0x000b 38154558Sbp#define SCTP_SUPPORTED_ADDRTYPE 0x000c 38254558Sbp 38354558Sbp/* draft-ietf-stewart-strreset-xxx */ 38454558Sbp#define SCTP_STR_RESET_OUT_REQUEST 0x000d 38554558Sbp#define SCTP_STR_RESET_IN_REQUEST 0x000e 38654558Sbp#define SCTP_STR_RESET_TSN_REQUEST 0x000f 38754558Sbp#define SCTP_STR_RESET_RESPONSE 0x0010 38854558Sbp 38954558Sbp#define SCTP_MAX_RESET_PARAMS 2 39054558Sbp#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 39154558Sbp 39254558Sbp/*************0x4000 series*************/ 39354558Sbp 39454558Sbp/*************0x8000 series*************/ 39554558Sbp#define SCTP_ECN_CAPABLE 0x8000 39654558Sbp/* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 39754558Sbp#define SCTP_ECN_NONCE_SUPPORTED 0x8001 39854558Sbp/* draft-ietf-tsvwg-auth-xxx */ 39954558Sbp#define SCTP_RANDOM 0x8002 40054558Sbp#define SCTP_CHUNK_LIST 0x8003 40154558Sbp#define SCTP_HMAC_LIST 0x8004 40254558Sbp/* 40354558Sbp * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 40454558Sbp * | Byte Byte | Byte ... 40554558Sbp * 40654558Sbp * Where each byte is a chunk type extension supported. For example, to support 40754558Sbp * all chunks one would have (in hex): 40854558Sbp * 40954558Sbp * 80 01 00 09 C0 C1 80 81 82 00 00 00 41054558Sbp * 41154558Sbp * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 41254558Sbp * = Packet Drop 82 = Stream Reset 83 = Authentication 41354558Sbp */ 41454558Sbp#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 41554558Sbp 41654558Sbp/*************0xC000 series*************/ 41754558Sbp#define SCTP_PRSCTP_SUPPORTED 0xc000 41854558Sbp/* draft-ietf-tsvwg-addip-sctp */ 41954558Sbp#define SCTP_ADD_IP_ADDRESS 0xc001 42054558Sbp#define SCTP_DEL_IP_ADDRESS 0xc002 42154558Sbp#define SCTP_ERROR_CAUSE_IND 0xc003 42254558Sbp#define SCTP_SET_PRIM_ADDR 0xc004 42354558Sbp#define SCTP_SUCCESS_REPORT 0xc005 42454558Sbp#define SCTP_ULP_ADAPTATION 0xc006 42554558Sbp 42654558Sbp/* Notification error codes */ 42754558Sbp#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 42854558Sbp#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 42954558Sbp#define SCTP_FAILED_THRESHOLD 0x0004 43054558Sbp#define SCTP_HEARTBEAT_SUCCESS 0x0008 43154558Sbp#define SCTP_RESPONSE_TO_USER_REQ 0x000f 43254558Sbp#define SCTP_INTERNAL_ERROR 0x0010 43354558Sbp#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0020 43454558Sbp#define SCTP_RECEIVED_SACK 0x0040 43554558Sbp#define SCTP_PEER_FAULTY 0x0080 43654558Sbp 43754558Sbp/* bits for TOS field */ 43854558Sbp#define SCTP_ECT0_BIT 0x02 43954558Sbp#define SCTP_ECT1_BIT 0x01 44054558Sbp#define SCTP_CE_BITS 0x03 44154558Sbp 44254558Sbp/* below turns off above */ 44354558Sbp#define SCTP_FLEXIBLE_ADDRESS 0x20 44454558Sbp#define SCTP_NO_HEARTBEAT 0x40 44554558Sbp 44654558Sbp/* mask to get sticky */ 44754558Sbp#define SCTP_STICKY_OPTIONS_MASK 0x0c 44854558Sbp 44954558Sbp 45054558Sbp/* 45154558Sbp * SCTP states for internal state machine XXX (should match "user" values) 45254558Sbp */ 45354558Sbp#define SCTP_STATE_EMPTY 0x0000 45454558Sbp#define SCTP_STATE_INUSE 0x0001 45554558Sbp#define SCTP_STATE_COOKIE_WAIT 0x0002 45654558Sbp#define SCTP_STATE_COOKIE_ECHOED 0x0004 45754558Sbp#define SCTP_STATE_OPEN 0x0008 45854558Sbp#define SCTP_STATE_SHUTDOWN_SENT 0x0010 45954558Sbp#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 46054558Sbp#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 46154558Sbp#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 46254558Sbp#define SCTP_STATE_CLOSED_SOCKET 0x0100 46354558Sbp#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 46454558Sbp#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 46554558Sbp#define SCTP_STATE_MASK 0x007f 46654558Sbp 46754558Sbp#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 46854558Sbp 46954558Sbp/* SCTP reachability state for each address */ 47054558Sbp#define SCTP_ADDR_REACHABLE 0x001 47154558Sbp#define SCTP_ADDR_NOT_REACHABLE 0x002 47254558Sbp#define SCTP_ADDR_NOHB 0x004 47354558Sbp#define SCTP_ADDR_BEING_DELETED 0x008 47454558Sbp#define SCTP_ADDR_NOT_IN_ASSOC 0x010 47554558Sbp#define SCTP_ADDR_WAS_PRIMARY 0x020 47654558Sbp#define SCTP_ADDR_SWITCH_PRIMARY 0x040 47754558Sbp#define SCTP_ADDR_OUT_OF_SCOPE 0x080 47854558Sbp#define SCTP_ADDR_DOUBLE_SWITCH 0x100 47954558Sbp#define SCTP_ADDR_UNCONFIRMED 0x200 48054558Sbp#define SCTP_ADDR_REQ_PRIMARY 0x400 48154558Sbp#define SCTP_REACHABLE_MASK 0x203 48254558Sbp 48354558Sbp/* bound address types (e.g. valid address types to allow) */ 48454558Sbp#define SCTP_BOUND_V6 0x01 48554558Sbp#define SCTP_BOUND_V4 0x02 48654558Sbp 48754558Sbp/* 48854558Sbp * what is the default number of mbufs in a chain I allow before switching to 48954558Sbp * a cluster 49054558Sbp */ 49154558Sbp#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 49254558Sbp 49354558Sbp/* How long a cookie lives in milli-seconds */ 49454558Sbp#define SCTP_DEFAULT_COOKIE_LIFE 60000 49554558Sbp 49654558Sbp/* resource limit of streams */ 49754558Sbp#define MAX_SCTP_STREAMS 2048 49854558Sbp 49954558Sbp/* Maximum the mapping array will grow to (TSN mapping array) */ 50054558Sbp#define SCTP_MAPPING_ARRAY 512 50154558Sbp 50254558Sbp/* size of the inital malloc on the mapping array */ 50354558Sbp#define SCTP_INITIAL_MAPPING_ARRAY 16 50454558Sbp/* how much we grow the mapping array each call */ 50554558Sbp#define SCTP_MAPPING_ARRAY_INCR 32 50654558Sbp 50754558Sbp/* 50854558Sbp * Here we define the timer types used by the implementation as arguments in 50954558Sbp * the set/get timer type calls. 51054558Sbp */ 51154558Sbp#define SCTP_TIMER_INIT 0 51254558Sbp#define SCTP_TIMER_RECV 1 51354558Sbp#define SCTP_TIMER_SEND 2 51454558Sbp#define SCTP_TIMER_HEARTBEAT 3 51554558Sbp#define SCTP_TIMER_PMTU 4 51654558Sbp#define SCTP_TIMER_MAXSHUTDOWN 5 51754558Sbp#define SCTP_TIMER_SIGNATURE 6 51854558Sbp/* 51954558Sbp * number of timer types in the base SCTP structure used in the set/get and 52054558Sbp * has the base default. 52154558Sbp */ 52254558Sbp#define SCTP_NUM_TMRS 7 52354558Sbp 52454558Sbp/* timer types */ 52554558Sbp#define SCTP_TIMER_TYPE_NONE 0 52654558Sbp#define SCTP_TIMER_TYPE_SEND 1 52754558Sbp#define SCTP_TIMER_TYPE_INIT 2 52854558Sbp#define SCTP_TIMER_TYPE_RECV 3 52954558Sbp#define SCTP_TIMER_TYPE_SHUTDOWN 4 53054558Sbp#define SCTP_TIMER_TYPE_HEARTBEAT 5 53154558Sbp#define SCTP_TIMER_TYPE_COOKIE 6 53254558Sbp#define SCTP_TIMER_TYPE_NEWCOOKIE 7 53354558Sbp#define SCTP_TIMER_TYPE_PATHMTURAISE 8 53454558Sbp#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 53554558Sbp#define SCTP_TIMER_TYPE_ASCONF 10 53654558Sbp#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 53754558Sbp#define SCTP_TIMER_TYPE_AUTOCLOSE 12 53854558Sbp#define SCTP_TIMER_TYPE_EVENTWAKE 13 53954558Sbp#define SCTP_TIMER_TYPE_STRRESET 14 54054558Sbp#define SCTP_TIMER_TYPE_INPKILL 15 54154558Sbp#define SCTP_TIMER_TYPE_ITERATOR 16 54254558Sbp#define SCTP_TIMER_TYPE_EARLYFR 17 54354558Sbp#define SCTP_TIMER_TYPE_ASOCKILL 18 54454558Sbp#define SCTP_TIMER_TYPE_ADDR_WQ 19 54554558Sbp/* add new timers here - and increment LAST */ 54654558Sbp#define SCTP_TIMER_TYPE_LAST 20 54754558Sbp 54854558Sbp#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 54954558Sbp ((t) < SCTP_TIMER_TYPE_LAST)) 55054558Sbp 55154558Sbp 55254558Sbp 55354558Sbp/* 55454558Sbp * Number of ticks before the soxwakeup() event that is delayed is sent AFTER 55554558Sbp * the accept() call 55654558Sbp */ 55754558Sbp#define SCTP_EVENTWAKEUP_WAIT_TICKS 3000 55854558Sbp 55954558Sbp/* 56054558Sbp * Of course we really don't collect stale cookies, being folks of decerning 56154558Sbp * taste. However we do count them, if we get too many before the association 56254558Sbp * comes up.. we give up. Below is the constant that dictates when we give it 56354558Sbp * up...this is a implemenation dependent treatment. In ours we do not ask 56454558Sbp * for a extension of time, but just retry this many times... 56554558Sbp */ 56654558Sbp#define SCTP_MAX_STALE_COOKIES_I_COLLECT 10 56754558Sbp 56854558Sbp/* max number of TSN's dup'd that I will hold */ 56954558Sbp#define SCTP_MAX_DUP_TSNS 20 57054558Sbp 57154558Sbp/* 57254558Sbp * Here we define the types used when setting the retry amounts. 57354558Sbp */ 57454558Sbp/* constants for type of set */ 57554558Sbp#define SCTP_MAXATTEMPT_INIT 2 57654558Sbp#define SCTP_MAXATTEMPT_SEND 3 57754558Sbp 57854558Sbp/* Maximum TSN's we will summarize in a drop report */ 57954558Sbp#define SCTP_MAX_DROP_REPORT 16 58054558Sbp 58154558Sbp/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 58254558Sbp#define SCTP_RETRY_DROPPED_THRESH 4 58354558Sbp 58454558Sbp/* 58554558Sbp * And the max we will keep a history of in the tcb which MUST be lower than 58654558Sbp * 256. 58754558Sbp */ 58854558Sbp#define SCTP_MAX_DROP_SAVE_REPORT 16 58954558Sbp 59054558Sbp/* 59154558Sbp * Here we define the default timers and the default number of attemts we 59254558Sbp * make for each respective side (send/init). 59354558Sbp */ 59454558Sbp 59554558Sbp/* 596 * Maxmium number of chunks a single association can have on it. Note that 597 * this is a squishy number since the count can run over this if the user 598 * sends a large message down .. the fragmented chunks don't count until 599 * AFTER the message is on queue.. it would be the next send that blocks 600 * things. This number will get tuned up at boot in the sctp_init and use the 601 * number of clusters as a base. This way high bandwidth environments will 602 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 603 */ 604#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 605 606/* The conversion from time to ticks and vice versa is done by rounding 607 * upwards. This way we can test in the code the time to be positive and 608 * know that this corresponds to a positive number of ticks. 609 */ 610#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 611#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 612 613#define SEC_TO_TICKS(x) ((x) * hz) 614#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 615 616/* 617 * Basically the minimum amount of time before I do a early FR. Making this 618 * value to low will cause duplicate retransmissions. 619 */ 620#define SCTP_MINFR_MSEC_TIMER 250 621/* The floor this value is allowed to fall to when starting a timer. */ 622#define SCTP_MINFR_MSEC_FLOOR 20 623 624/* init timer def = 1 sec */ 625#define SCTP_INIT_SEC 1 626 627/* send timer def = 1 seconds */ 628#define SCTP_SEND_SEC 1 629 630/* recv timer def = 200ms */ 631#define SCTP_RECV_MSEC 200 632 633/* 30 seconds + RTO (in ms) */ 634#define SCTP_HB_DEFAULT_MSEC 30000 635 636/* Max time I will wait for Shutdown to complete */ 637#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 638 639 640/* 641 * This is how long a secret lives, NOT how long a cookie lives how many 642 * ticks the current secret will live. 643 */ 644#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 645 646#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 647#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 648#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 649#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 650 651 652#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 653#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 654 655#define SCTP_DEF_MAX_INIT 8 656#define SCTP_DEF_MAX_SEND 10 657#define SCTP_DEF_MAX_PATH_RTX 4 658 659#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 660#define SCTP_DEF_PMTU_MIN 600 661 662#define SCTP_MSEC_IN_A_SEC 1000 663#define SCTP_USEC_IN_A_SEC 1000000 664#define SCTP_NSEC_IN_A_SEC 1000000000 665 666#define SCTP_MAX_OUTSTANDING_DG 10000 667 668/* How many streams I request initally by default */ 669#define SCTP_OSTREAM_INITIAL 10 670 671/* 672 * How many smallest_mtu's need to increase before a window update sack is 673 * sent (should be a power of 2). 674 */ 675#define SCTP_SEG_TO_RWND_UPD 32 676/* Send window update (incr * this > hiwat). Should be a power of 2 */ 677#define SCTP_SCALE_OF_RWND_TO_UPD 4 678#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 679 680#define SCTP_ADDRMAX 20 681 682/* SCTP DEBUG Switch parameters */ 683#define SCTP_DEBUG_TIMER1 0x00000001 684#define SCTP_DEBUG_TIMER2 0x00000002 685#define SCTP_DEBUG_TIMER3 0x00000004 686#define SCTP_DEBUG_TIMER4 0x00000008 687#define SCTP_DEBUG_OUTPUT1 0x00000010 688#define SCTP_DEBUG_OUTPUT2 0x00000020 689#define SCTP_DEBUG_OUTPUT3 0x00000040 690#define SCTP_DEBUG_OUTPUT4 0x00000080 691#define SCTP_DEBUG_UTIL1 0x00000100 692#define SCTP_DEBUG_UTIL2 0x00000200 693#define SCTP_DEBUG_AUTH1 0x00000400 694#define SCTP_DEBUG_AUTH2 0x00000800 695#define SCTP_DEBUG_INPUT1 0x00001000 696#define SCTP_DEBUG_INPUT2 0x00002000 697#define SCTP_DEBUG_INPUT3 0x00004000 698#define SCTP_DEBUG_INPUT4 0x00008000 699#define SCTP_DEBUG_ASCONF1 0x00010000 700#define SCTP_DEBUG_ASCONF2 0x00020000 701#define SCTP_DEBUG_OUTPUT5 0x00040000 702#define SCTP_DEBUG_XXX 0x00080000 703#define SCTP_DEBUG_PCB1 0x00100000 704#define SCTP_DEBUG_PCB2 0x00200000 705#define SCTP_DEBUG_PCB3 0x00400000 706#define SCTP_DEBUG_PCB4 0x00800000 707#define SCTP_DEBUG_INDATA1 0x01000000 708#define SCTP_DEBUG_INDATA2 0x02000000 709#define SCTP_DEBUG_INDATA3 0x04000000 710#define SCTP_DEBUG_INDATA4 0x08000000 711#define SCTP_DEBUG_USRREQ1 0x10000000 712#define SCTP_DEBUG_USRREQ2 0x20000000 713#define SCTP_DEBUG_PEEL1 0x40000000 714#define SCTP_DEBUG_XXXXX 0x80000000 715#define SCTP_DEBUG_ALL 0x7ff3ffff 716#define SCTP_DEBUG_NOISY 0x00040000 717 718/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 719#define SCTP_SWS_SENDER_DEF 1420 720 721/* 722 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 723 * would be hiwat/2 etc. 724 */ 725/* What receiver needs to see in sockbuf or we tell peer its 1 */ 726#define SCTP_SWS_RECEIVER_DEF 3000 727 728#define SCTP_INITIAL_CWND 4380 729 730#define SCTP_DEFAULT_MTU 1500 /* emegency default MTU */ 731/* amount peer is obligated to have in rwnd or I will abort */ 732#define SCTP_MIN_RWND 1500 733 734#define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */ 735#define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to My playing 736 * around suggests a value greater than 64k 737 * does not do much, I guess via the kernel 738 * limitations on the stream/socket. */ 739 740/* I can handle a 1meg re-assembly */ 741#define SCTP_DEFAULT_MAXMSGREASM 1048576 742 743#define SCTP_DEFAULT_MAXSEGMENT 65535 744 745#define SCTP_CHUNK_BUFFER_SIZE 2048 746#define SCTP_PARAM_BUFFER_SIZE 512 747 748#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 749#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 750 751#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 752#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 753 754 755/* 756 * SCTP upper layer notifications 757 */ 758#define SCTP_NOTIFY_ASSOC_UP 1 759#define SCTP_NOTIFY_ASSOC_DOWN 2 760#define SCTP_NOTIFY_INTERFACE_DOWN 3 761#define SCTP_NOTIFY_INTERFACE_UP 4 762#define SCTP_NOTIFY_DG_FAIL 5 763#define SCTP_NOTIFY_STRDATA_ERR 6 764#define SCTP_NOTIFY_ASSOC_ABORTED 7 765#define SCTP_NOTIFY_PEER_OPENED_STREAM 8 766#define SCTP_NOTIFY_STREAM_OPENED_OK 9 767#define SCTP_NOTIFY_ASSOC_RESTART 10 768#define SCTP_NOTIFY_HB_RESP 11 769#define SCTP_NOTIFY_ASCONF_SUCCESS 12 770#define SCTP_NOTIFY_ASCONF_FAILED 13 771#define SCTP_NOTIFY_PEER_SHUTDOWN 14 772#define SCTP_NOTIFY_ASCONF_ADD_IP 15 773#define SCTP_NOTIFY_ASCONF_DELETE_IP 16 774#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 775#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 776#define SCTP_NOTIFY_ADAPTATION_INDICATION 19 777/* same as above */ 778#define SCTP_NOTIFY_ADAPTION_INDICATION 19 779#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 780#define SCTP_NOTIFY_STR_RESET_RECV 21 781#define SCTP_NOTIFY_STR_RESET_SEND 22 782#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 783#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 784#define SCTP_NOTIFY_AUTH_NEW_KEY 25 785#define SCTP_NOTIFY_AUTH_KEY_CONFLICT 26 786#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 787#define SCTP_NOTIFY_MAX 27 788 789/* This is the value for messages that are NOT completely 790 * copied down where we will start to split the message. 791 * So, with our default, we split only if the piece we 792 * want to take will fill up a full MTU (assuming 793 * a 1500 byte MTU). 794 */ 795#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 796 797/* ABORT CODES and other tell-tale location 798 * codes are generated by adding the below 799 * to the instance id. 800 */ 801 802/* File defines */ 803#define SCTP_FROM_SCTP_INPUT 0x10000000 804#define SCTP_FROM_SCTP_PCB 0x20000000 805#define SCTP_FROM_SCTP_INDATA 0x30000000 806#define SCTP_FROM_SCTP_TIMER 0x40000000 807#define SCTP_FROM_SCTP_USRREQ 0x50000000 808#define SCTP_FROM_SCTPUTIL 0x60000000 809#define SCTP_FROM_SCTP6_USRREQ 0x70000000 810#define SCTP_FROM_SCTP_ASCONF 0x80000000 811#define SCTP_FROM_SCTP_OUTPUT 0x90000000 812#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 813 814/* Location ID's */ 815#define SCTP_LOC_1 0x00000001 816#define SCTP_LOC_2 0x00000002 817#define SCTP_LOC_3 0x00000003 818#define SCTP_LOC_4 0x00000004 819#define SCTP_LOC_5 0x00000005 820#define SCTP_LOC_6 0x00000006 821#define SCTP_LOC_7 0x00000007 822#define SCTP_LOC_8 0x00000008 823#define SCTP_LOC_9 0x00000009 824#define SCTP_LOC_10 0x0000000a 825#define SCTP_LOC_11 0x0000000b 826#define SCTP_LOC_12 0x0000000c 827#define SCTP_LOC_13 0x0000000d 828#define SCTP_LOC_14 0x0000000e 829#define SCTP_LOC_15 0x0000000f 830#define SCTP_LOC_16 0x00000010 831#define SCTP_LOC_17 0x00000011 832#define SCTP_LOC_18 0x00000012 833#define SCTP_LOC_19 0x00000013 834#define SCTP_LOC_20 0x00000014 835#define SCTP_LOC_21 0x00000015 836#define SCTP_LOC_22 0x00000016 837#define SCTP_LOC_23 0x00000017 838#define SCTP_LOC_24 0x00000018 839#define SCTP_LOC_25 0x00000019 840#define SCTP_LOC_26 0x0000001a 841#define SCTP_LOC_27 0x0000001b 842#define SCTP_LOC_28 0x0000001c 843#define SCTP_LOC_29 0x0000001d 844#define SCTP_LOC_30 0x0000001e 845#define SCTP_LOC_31 0x0000001f 846#define SCTP_LOC_32 0x00000020 847#define SCTP_LOC_33 0x00000021 848 849 850/* Free assoc codes */ 851#define SCTP_NORMAL_PROC 0 852#define SCTP_PCBFREE_NOFORCE 1 853#define SCTP_PCBFREE_FORCE 2 854 855/* From codes for adding addresses */ 856#define SCTP_ADDR_IS_CONFIRMED 8 857#define SCTP_ADDR_DYNAMIC_ADDED 6 858#define SCTP_IN_COOKIE_PROC 100 859#define SCTP_ALLOC_ASOC 1 860#define SCTP_LOAD_ADDR_2 2 861#define SCTP_LOAD_ADDR_3 3 862#define SCTP_LOAD_ADDR_4 4 863#define SCTP_LOAD_ADDR_5 5 864 865#define SCTP_DONOT_SETSCOPE 0 866#define SCTP_DO_SETSCOPE 1 867 868 869/* This value determines the default for when 870 * we try to add more on the send queue., if 871 * there is room. This prevents us from cycling 872 * into the copy_resume routine to often if 873 * we have not got enough space to add a decent 874 * enough size message. Note that if we have enough 875 * space to complete the message copy we will always 876 * add to the message, no matter what the size. Its 877 * only when we reach the point that we have some left 878 * to add, there is only room for part of it that we 879 * will use this threshold. Its also a sysctl. 880 */ 881#define SCTP_DEFAULT_ADD_MORE 1452 882 883#ifndef SCTP_PCBHASHSIZE 884/* default number of association hash buckets in each endpoint */ 885#define SCTP_PCBHASHSIZE 256 886#endif 887#ifndef SCTP_TCBHASHSIZE 888#define SCTP_TCBHASHSIZE 1024 889#endif 890 891#ifndef SCTP_CHUNKQUEUE_SCALE 892#define SCTP_CHUNKQUEUE_SCALE 10 893#endif 894 895/* clock variance is 1 ms */ 896#define SCTP_CLOCK_GRANULARITY 1 897#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 898 * detracts a small amount for ipv4 but it 899 * simplifies the ipv6 addition */ 900 901/* Argument magic number for sctp_inpcb_free() */ 902 903/* third argument */ 904#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 905#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 906 907/* second argument */ 908#define SCTP_FREE_SHOULD_USE_ABORT 1 909#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 910 911#ifndef IPPROTO_SCTP 912#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 913#endif /* !IPPROTO_SCTP */ 914 915#define SCTP_MAX_DATA_BUNDLING 256 916#define SCTP_MAX_CONTROL_BUNDLING 20 917 918/* modular comparison */ 919/* True if a > b (mod = M) */ 920#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 921 ((b > a) && ((b - a) > ((M >> 1) + 1)))) 922 923 924/* Mapping array manipulation routines */ 925#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 926#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 927#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 928 929 930#define SCTP_RETRAN_DONE -1 931#define SCTP_RETRAN_EXIT -2 932 933/* 934 * This value defines the number of vtag block time wait entry's per list 935 * element. Each entry will take 2 4 byte ints (and of course the overhead 936 * of the next pointer as well). Using 15 as an example will yield * ((8 * 937 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 938 * initialized. Increasing it to 31 would yeild 256 bytes per block. 939 */ 940#define SCTP_NUMBER_IN_VTAG_BLOCK 15 941/* 942 * If we use the STACK option, we have an array of this size head pointers. 943 * This array is mod'd the with the size to find which bucket and then all 944 * entries must be searched to see if the tag is in timed wait. If so we 945 * reject it. 946 */ 947#define SCTP_STACK_VTAG_HASH_SIZE 31 948 949/* 950 * If we use the per-endpoint model than we do not have a hash table of 951 * entries but instead have a single head pointer and we must crawl through 952 * the entire list. 953 */ 954 955/* 956 * Number of seconds of time wait, tied to MSL value (2 minutes), so 2 * MSL 957 * = 4 minutes or 480 seconds. 958 */ 959#define SCTP_TIME_WAIT 480 960 961/* This time wait is the same as the default cookie life 962 * since we now enter a tag in every time we send a cookie. 963 * We want this shorter to avoid vtag depletion. 964 */ 965#define SCTP_TIME_WAIT_SHORT 60 966 967/* The system retains a cache of free chunks such to 968 * cut down on calls the memory allocation system. There 969 * is a per association limit of free items and a overall 970 * system limit. If either one gets hit then the resource 971 * stops being cached. 972 */ 973 974#define SCTP_DEF_ASOC_RESC_LIMIT 10 975#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 976 977 978#define IN4_ISPRIVATE_ADDRESS(a) \ 979 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 980 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 981 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 982 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 983 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 984 (((uint8_t *)&(a)->s_addr)[1] == 168))) 985 986#define IN4_ISLOOPBACK_ADDRESS(a) \ 987 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 988 (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 989 (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 990 (((uint8_t *)&(a)->s_addr)[3] == 1)) 991 992 993#if defined(_KERNEL) 994 995#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 996#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 997/*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 998/*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 999/* (x)->tv_sec = ticks / 1000; \*/ 1000/* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 1001/*}*/ 1002 1003/*#else*/ 1004/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 1005/*#endif __FreeBSD__ */ 1006 1007#define sctp_sowwakeup(inp, so) \ 1008do { \ 1009 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1010 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1011 } else { \ 1012 sowwakeup(so); \ 1013 } \ 1014} while (0) 1015 1016#define sctp_sowwakeup_locked(inp, so) \ 1017do { \ 1018 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1019 SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1020 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1021 } else { \ 1022 sowwakeup_locked(so); \ 1023 } \ 1024} while (0) 1025 1026#define sctp_sorwakeup(inp, so) \ 1027do { \ 1028 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1029 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1030 } else { \ 1031 sorwakeup(so); \ 1032 } \ 1033} while (0) 1034 1035#define sctp_sorwakeup_locked(inp, so) \ 1036do { \ 1037 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1038 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1039 SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1040 } else { \ 1041 sorwakeup_locked(so); \ 1042 } \ 1043} while (0) 1044 1045#endif /* _KERNEL */ 1046#endif 1047