sctp_constants.h revision 170181
122347Spst/*- 222347Spst * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 329964Sache * 492906Smarkm * Redistribution and use in source and binary forms, with or without 522347Spst * modification, are permitted provided that the following conditions are met: 622347Spst * 722347Spst * a) Redistributions of source code must retain the above copyright notice, 822347Spst * this list of conditions and the following disclaimer. 922347Spst * 1022347Spst * b) Redistributions in binary form must reproduce the above copyright 1122347Spst * notice, this list of conditions and the following disclaimer in 1222347Spst * the documentation and/or other materials provided with the distribution. 1322347Spst * 1422347Spst * c) Neither the name of Cisco Systems, Inc. nor the names of its 1522347Spst * contributors may be used to endorse or promote products derived 1622347Spst * from this software without specific prior written permission. 1792906Smarkm * 1892906Smarkm * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1959118Skris * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 2029964Sache * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2129964Sache * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 2222347Spst * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2322347Spst * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2422347Spst * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2522347Spst * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2622347Spst * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2722347Spst * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 2822347Spst * THE POSSIBILITY OF SUCH DAMAGE. 2922347Spst */ 3022347Spst 3122347Spst/* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */ 3222347Spst 3322347Spst#include <sys/cdefs.h> 3422347Spst__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 170181 2007-06-01 11:19:54Z rrs $"); 3522347Spst 3622347Spst#ifndef __sctp_constants_h__ 3722347Spst#define __sctp_constants_h__ 3822347Spst 3922347Spst/* Number of packets to get before sack sent by default */ 4022347Spst#define SCTP_DEFAULT_SACK_FREQ 2 4122347Spst 4222347Spst/* Address limit - This variable is calculated 4322347Spst * based on an 65535 byte max ip packet. We take out 100 bytes 4422347Spst * for the cookie, 40 bytes for a v6 header and 32 4522347Spst * bytes for the init structure. A second init structure 4622347Spst * for the init-ack and then finally a third one for the 4722347Spst * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 4822347Spst * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 4922347Spst * Now whatever we send in the INIT() we need to allow to get back in the 5022347Spst * INIT-ACK plus all the values from INIT and INIT-ACK 5122347Spst * listed in the cookie. Plus we need some overhead for 5222347Spst * maybe copied parameters in the COOKIE. If we 5322347Spst * allow 1080 addresses, and each side has 1080 V6 addresses 5422347Spst * that will be 21600 bytes. In the INIT-ACK we will 5522347Spst * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 5622347Spst * about 500 bytes slack for misc things in the cookie. 5722347Spst */ 5822347Spst#define SCTP_ADDRESS_LIMIT 1080 5922347Spst 6022347Spst/* Number of addresses where we just skip the counting */ 6122347Spst#define SCTP_COUNT_LIMIT 40 6222347Spst 6322347Spst#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 6422347Spst#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 6522347Spst 6622347Spst/* Number of ticks to delay before running 6722347Spst * iterator on an address change. 6822347Spst */ 6922347Spst#define SCTP_ADDRESS_TICK_DELAY 2 7022347Spst 7122347Spst#define SCTP_VERSION_STRING "KAME-BSD 1.1" 7222347Spst/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 7322347Spst#define SCTP_AUDIT_SIZE 256 7422347Spst#define SCTP_STAT_LOG_SIZE 80000 7522347Spst 7622347Spst#define SCTP_USE_THREAD_BASED_ITERATOR 1 7722347Spst 7822347Spst#define SCTP_KTRHEAD_NAME "sctp_iterator" 7922347Spst#define SCTP_KTHREAD_PAGES 2 8022347Spst 8122347Spst 8222347Spst/* If you support Multi-VRF how big to 8322347Spst * make the initial array of VRF's to. 8422347Spst */ 8522347Spst#define SCTP_DEFAULT_VRF_SIZE 4 8622347Spst 8722347Spst/* Places that CWND log can happen from */ 8822347Spst#define SCTP_CWND_LOG_FROM_FR 1 8922347Spst#define SCTP_CWND_LOG_FROM_RTX 2 9022347Spst#define SCTP_CWND_LOG_FROM_BRST 3 9122347Spst#define SCTP_CWND_LOG_FROM_SS 4 9222347Spst#define SCTP_CWND_LOG_FROM_CA 5 9322347Spst#define SCTP_CWND_LOG_FROM_SAT 6 9422347Spst#define SCTP_BLOCK_LOG_INTO_BLK 7 9522347Spst#define SCTP_BLOCK_LOG_OUTOF_BLK 8 9622347Spst#define SCTP_BLOCK_LOG_CHECK 9 9722347Spst#define SCTP_STR_LOG_FROM_INTO_STRD 10 9822347Spst#define SCTP_STR_LOG_FROM_IMMED_DEL 11 9922347Spst#define SCTP_STR_LOG_FROM_INSERT_HD 12 10022347Spst#define SCTP_STR_LOG_FROM_INSERT_MD 13 10122347Spst#define SCTP_STR_LOG_FROM_INSERT_TL 14 10222347Spst#define SCTP_STR_LOG_FROM_MARK_TSN 15 10322347Spst#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 10422347Spst#define SCTP_FR_LOG_BIGGEST_TSNS 17 10559118Skris#define SCTP_FR_LOG_STRIKE_TEST 18 10622347Spst#define SCTP_FR_LOG_STRIKE_CHUNK 19 10722347Spst#define SCTP_FR_T3_TIMEOUT 20 10822347Spst#define SCTP_MAP_PREPARE_SLIDE 21 10922347Spst#define SCTP_MAP_SLIDE_FROM 22 11022347Spst#define SCTP_MAP_SLIDE_RESULT 23 11129964Sache#define SCTP_MAP_SLIDE_CLEARED 24 11222347Spst#define SCTP_MAP_SLIDE_NONE 25 11329964Sache#define SCTP_FR_T3_MARK_TIME 26 11429964Sache#define SCTP_FR_T3_MARKED 27 11529964Sache#define SCTP_FR_T3_STOPPED 28 11622347Spst#define SCTP_FR_MARKED 30 11729964Sache#define SCTP_CWND_LOG_NOADV_SS 31 11829964Sache#define SCTP_CWND_LOG_NOADV_CA 32 11922347Spst#define SCTP_MAX_BURST_APPLIED 33 12022347Spst#define SCTP_MAX_IFP_APPLIED 34 12122347Spst#define SCTP_MAX_BURST_ERROR_STOP 35 12222347Spst#define SCTP_INCREASE_PEER_RWND 36 12322347Spst#define SCTP_DECREASE_PEER_RWND 37 12422347Spst#define SCTP_SET_PEER_RWND_VIA_SACK 38 12522347Spst#define SCTP_LOG_MBCNT_INCREASE 39 12622347Spst#define SCTP_LOG_MBCNT_DECREASE 40 12722347Spst#define SCTP_LOG_MBCNT_CHKSET 41 12822347Spst#define SCTP_LOG_NEW_SACK 42 12922347Spst#define SCTP_LOG_TSN_ACKED 43 13022347Spst#define SCTP_LOG_TSN_REVOKED 44 13122347Spst#define SCTP_LOG_LOCK_TCB 45 13222347Spst#define SCTP_LOG_LOCK_INP 46 13322347Spst#define SCTP_LOG_LOCK_SOCK 47 13422347Spst#define SCTP_LOG_LOCK_SOCKBUF_R 48 13522347Spst#define SCTP_LOG_LOCK_SOCKBUF_S 49 13622347Spst#define SCTP_LOG_LOCK_CREATE 50 13722347Spst#define SCTP_LOG_INITIAL_RTT 51 13822347Spst#define SCTP_LOG_RTTVAR 52 13922347Spst#define SCTP_LOG_SBALLOC 53 14022347Spst#define SCTP_LOG_SBFREE 54 14122347Spst#define SCTP_LOG_SBRESULT 55 14222347Spst#define SCTP_FR_DUPED 56 14322347Spst#define SCTP_FR_MARKED_EARLY 57 14422347Spst#define SCTP_FR_CWND_REPORT 58 14522347Spst#define SCTP_FR_CWND_REPORT_START 59 14622347Spst#define SCTP_FR_CWND_REPORT_STOP 60 14722347Spst#define SCTP_CWND_LOG_FROM_SEND 61 14822347Spst#define SCTP_CWND_INITIALIZATION 62 14922347Spst#define SCTP_CWND_LOG_FROM_T3 63 15022347Spst#define SCTP_CWND_LOG_FROM_SACK 64 15122347Spst#define SCTP_CWND_LOG_NO_CUMACK 65 15222347Spst#define SCTP_CWND_LOG_FROM_RESEND 66 15322347Spst#define SCTP_FR_LOG_CHECK_STRIKE 67 15422347Spst#define SCTP_SEND_NOW_COMPLETES 68 15522347Spst#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 15622347Spst#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 15722347Spst#define SCTP_LOG_FREE_SENT 71 15822347Spst#define SCTP_NAGLE_APPLIED 72 15922347Spst#define SCTP_NAGLE_SKIPPED 73 16022347Spst#define SCTP_WAKESND_FROM_SACK 74 16122347Spst#define SCTP_WAKESND_FROM_FWDTSN 75 16222347Spst#define SCTP_NOWAKE_FROM_SACK 76 16322347Spst#define SCTP_CWNDLOG_PRESEND 77 16422347Spst#define SCTP_CWNDLOG_ENDSEND 78 16522347Spst#define SCTP_AT_END_OF_SACK 79 16622347Spst#define SCTP_REASON_FOR_SC 80 16722347Spst#define SCTP_BLOCK_LOG_INTO_BLKA 81 16822347Spst#define SCTP_ENTER_USER_RECV 82 16922347Spst#define SCTP_USER_RECV_SACKS 83 17022347Spst#define SCTP_SORECV_BLOCKSA 84 17122347Spst#define SCTP_SORECV_BLOCKSB 85 17222347Spst#define SCTP_SORECV_DONE 86 17322347Spst#define SCTP_SACK_RWND_UPDATE 87 17422347Spst#define SCTP_SORECV_ENTER 88 17522347Spst#define SCTP_SORECV_ENTERPL 89 17622347Spst#define SCTP_MBUF_INPUT 90 17722347Spst#define SCTP_MBUF_IALLOC 91 17822347Spst#define SCTP_MBUF_IFREE 92 17922347Spst#define SCTP_MBUF_ICOPY 93 18022347Spst#define SCTP_SORCV_FREECTL 94 18122347Spst#define SCTP_SORCV_DOESCPY 95 18222347Spst#define SCTP_SORCV_DOESLCK 96 18322347Spst#define SCTP_SORCV_DOESADJ 97 18422347Spst#define SCTP_SORCV_BOTWHILE 98 18522347Spst#define SCTP_SORCV_PASSBF 99 18622347Spst#define SCTP_SORCV_ADJD 100 18722347Spst#define SCTP_UNKNOWN_MAX 101 18822347Spst#define SCTP_RANDY_STUFF 102 18922347Spst#define SCTP_RANDY_STUFF1 103 19022347Spst#define SCTP_STRMOUT_LOG_ASSIGN 104 19122347Spst#define SCTP_STRMOUT_LOG_SEND 105 19222347Spst#define SCTP_FLIGHT_LOG_DOWN_CA 106 19322347Spst#define SCTP_FLIGHT_LOG_UP 107 19422347Spst#define SCTP_FLIGHT_LOG_DOWN_GAP 108 19522347Spst#define SCTP_FLIGHT_LOG_DOWN_RSND 109 19622347Spst#define SCTP_FLIGHT_LOG_UP_RSND 110 19722347Spst#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 111 19822347Spst#define SCTP_FLIGHT_LOG_DOWN_WP 112 19922347Spst#define SCTP_FLIGHT_LOG_UP_REVOKE 113 20022347Spst#define SCTP_FLIGHT_LOG_DOWN_PDRP 114 20122347Spst#define SCTP_FLIGHT_LOG_DOWN_PMTU 115 20222347Spst#define SCTP_SACK_LOG_NORMAL 116 20322347Spst#define SCTP_SACK_LOG_EXPRESS 117 20422347Spst 20522347Spst#define SCTP_LOG_MAX_TYPES 118 20622347Spst/* 20722347Spst * To turn on various logging, you must first define SCTP_STAT_LOGGING. Then 20822347Spst * to get something to log you define one of the logging defines i.e. 20922347Spst * 21022347Spst * SCTP_CWND_LOGGING SCTP_BLK_LOGGING SCTP_STR_LOGGING SCTP_FR_LOGGING 21122347Spst * 21222347Spst * Any one or a combination of the logging can be turned on. 21322347Spst */ 21422347Spst#define SCTP_LOG_EVENT_UNKNOWN 0 21522347Spst#define SCTP_LOG_EVENT_CWND 1 21622347Spst#define SCTP_LOG_EVENT_BLOCK 2 21722347Spst#define SCTP_LOG_EVENT_STRM 3 21822347Spst#define SCTP_LOG_EVENT_FR 4 21922347Spst#define SCTP_LOG_EVENT_MAP 5 22022347Spst#define SCTP_LOG_EVENT_MAXBURST 6 22122347Spst#define SCTP_LOG_EVENT_RWND 7 22222347Spst#define SCTP_LOG_EVENT_MBCNT 8 22329964Sache#define SCTP_LOG_EVENT_SACK 9 22422347Spst#define SCTP_LOG_LOCK_EVENT 10 22522347Spst#define SCTP_LOG_EVENT_RTT 11 22622347Spst#define SCTP_LOG_EVENT_SB 12 22722347Spst#define SCTP_LOG_EVENT_NAGLE 13 22822347Spst#define SCTP_LOG_EVENT_WAKE 14 22922347Spst#define SCTP_LOG_MISC_EVENT 15 23022347Spst#define SCTP_LOG_EVENT_CLOSE 16 23122347Spst#define SCTP_LOG_EVENT_MBUF 17 23222347Spst 23322347Spst#define SCTP_LOG_MAX_EVENT 18 23422347Spst 23522347Spst#define SCTP_LOCK_UNKNOWN 2 23622347Spst 23729964Sache 23829964Sache/* number of associations by default for zone allocation */ 23922347Spst#define SCTP_MAX_NUM_OF_ASOC 40000 24022347Spst/* how many addresses per assoc remote and local */ 24122347Spst#define SCTP_SCALE_FOR_ADDR 2 24222347Spst 24322347Spst/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 24422347Spst#if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF) 24529964Sache#define SCTP_DEFAULT_AUTO_ASCONF 0 24622347Spst#else 24722347Spst#define SCTP_DEFAULT_AUTO_ASCONF 1 24822347Spst#endif 24922347Spst 25022347Spst/* 25129964Sache * Theshold for rwnd updates, we have to read (sb_hiwat >> 25222347Spst * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 25322347Spst * window update sack. When we look, we compare the last rwnd we sent vs the 25422347Spst * current rwnd. It too must be greater than this value. Using 3 divdes the 25522347Spst * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 25629964Sache * to read 8k. This seems about right.. I hope :-D.. we do set a 25729964Sache * min of a MTU on it so if the rwnd is real small we will insist 25822347Spst * on a full MTU of 1500 bytes. 25929964Sache */ 26029964Sache#define SCTP_RWND_HIWAT_SHIFT 3 26129964Sache 26229964Sache/* How much of the rwnd must the 26329964Sache * message be taking up to start partial delivery. 26429964Sache * We calculate this by shifing the hi_water (recv_win) 26529964Sache * left the following .. set to 1, when a message holds 26629964Sache * 1/2 the rwnd. If we set it to 2 when a message holds 26729964Sache * 1/4 the rwnd...etc.. 26829964Sache */ 26929964Sache 27029964Sache#define SCTP_PARTIAL_DELIVERY_SHIFT 1 27129964Sache 27229964Sache/* Minimum number of bytes read by user before we 27329964Sache * condsider doing a rwnd update 27459118Skris */ 27529964Sache#define SCTP_MIN_READ_BEFORE_CONSIDERING 3000 27622347Spst 27722347Spst/* 27829964Sache * default HMAC for cookies, etc... use one of the AUTH HMAC id's 27922347Spst * SCTP_HMAC is the HMAC_ID to use 28029964Sache * SCTP_SIGNATURE_SIZE is the digest length 28129964Sache */ 28229964Sache#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 28329964Sache#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 28429964Sache#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 28529964Sache 28629964Sache/* DEFINE HERE WHAT CRC YOU WANT TO USE */ 28722347Spst#define SCTP_USECRC_RFC2960 1 28822347Spst/* #define SCTP_USECRC_FLETCHER 1 */ 28922347Spst/* #define SCTP_USECRC_SSHCRC32 1 */ 29022347Spst/* #define SCTP_USECRC_FASTCRC32 1 */ 29122347Spst/* #define SCTP_USECRC_CRC32 1 */ 29222347Spst/* #define SCTP_USECRC_TCP32 1 */ 29322347Spst/* #define SCTP_USECRC_CRC16SMAL 1 */ 29422347Spst/* #define SCTP_USECRC_CRC16 1 */ 29522347Spst/* #define SCTP_USECRC_MODADLER 1 */ 29622347Spst 29722347Spst#ifndef SCTP_ADLER32_BASE 29822347Spst#define SCTP_ADLER32_BASE 65521 29922347Spst#endif 30022347Spst 30122347Spst/* 30222347Spst * the SCTP protocol signature this includes the version number encoded in 30322347Spst * the last 4 bits of the signature. 30422347Spst */ 30522347Spst#define PROTO_SIGNATURE_A 0x30000000 30622347Spst#define SCTP_VERSION_NUMBER 0x3 30792906Smarkm 30822347Spst#define MAX_TSN 0xffffffff 30922347Spst#define MAX_SEQ 0xffff 31029964Sache 31129964Sache/* how many executions every N tick's */ 31222347Spst#define SCTP_ITERATOR_MAX_AT_ONCE 20 31322347Spst 31429964Sache/* number of clock ticks between iterator executions */ 31522347Spst#define SCTP_ITERATOR_TICKS 1 31622347Spst 31722347Spst/* 31822347Spst * option: If you comment out the following you will receive the old behavior 31922347Spst * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 32092906Smarkm * happens right away with-out waiting for the flightsize to drop below the 32122347Spst * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 32229964Sache */ 32329964Sache#define SCTP_IGNORE_CWND_ON_FR 1 32429964Sache 32592906Smarkm/* 32629964Sache * Adds implementors guide behavior to only use newest highest update in SACK 32729964Sache * gap ack's to figure out if you need to stroke a chunk for FR. 32829964Sache */ 32929964Sache#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 33029964Sache 33129964Sache/* default max I can burst out after a fast retransmit */ 33229964Sache#define SCTP_DEF_MAX_BURST 4 33322347Spst/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 33429964Sache#define SCTP_FIRST_MBUF_RESV 68 33522347Spst/* Packet transmit states in the sent field */ 33622347Spst#define SCTP_DATAGRAM_UNSENT 0 33722347Spst#define SCTP_DATAGRAM_SENT 1 33822347Spst#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 33922347Spst * hit this value) */ 34022347Spst#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 34122347Spst * hit this value) */ 34292906Smarkm#define SCTP_DATAGRAM_RESEND 4 34392906Smarkm#define SCTP_DATAGRAM_ACKED 10010 34492906Smarkm#define SCTP_DATAGRAM_INBOUND 10011 34592906Smarkm#define SCTP_READY_TO_TRANSMIT 10012 34692906Smarkm#define SCTP_DATAGRAM_MARKED 20010 34792906Smarkm#define SCTP_FORWARD_TSN_SKIP 30010 34892906Smarkm 34992906Smarkm/* chunk output send from locations */ 35092906Smarkm#define SCTP_OUTPUT_FROM_USR_SEND 0 35122347Spst#define SCTP_OUTPUT_FROM_T3 1 35222347Spst#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 35322347Spst#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 35422347Spst#define SCTP_OUTPUT_FROM_SACK_TMR 4 35522347Spst#define SCTP_OUTPUT_FROM_SHUT_TMR 5 35622347Spst#define SCTP_OUTPUT_FROM_HB_TMR 6 35722347Spst#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 35822347Spst#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 35922347Spst#define SCTP_OUTPUT_FROM_STRRST_TMR 9 36022347Spst#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 36122347Spst#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 36222347Spst#define SCTP_OUTPUT_FROM_STRRST_REQ 12 36322347Spst#define SCTP_OUTPUT_FROM_USR_RCVD 13 36422347Spst#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 36522347Spst#define SCTP_OUTPUT_FROM_DRAIN 15 36622347Spst/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 36722347Spst 36822347Spst/* align to 32-bit sizes */ 36922347Spst#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 37029964Sache 37122347Spst#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 37222347Spst#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 37322347Spst 37422347Spst 37522347Spst/* SCTP parameter types */ 37622347Spst/*************0x0000 series*************/ 37722347Spst#define SCTP_HEARTBEAT_INFO 0x0001 37822347Spst#define SCTP_IPV4_ADDRESS 0x0005 37922347Spst#define SCTP_IPV6_ADDRESS 0x0006 38022347Spst#define SCTP_STATE_COOKIE 0x0007 38122347Spst#define SCTP_UNRECOG_PARAM 0x0008 38222347Spst#define SCTP_COOKIE_PRESERVE 0x0009 38322347Spst#define SCTP_HOSTNAME_ADDRESS 0x000b 38422347Spst#define SCTP_SUPPORTED_ADDRTYPE 0x000c 38522347Spst 38629964Sache/* draft-ietf-stewart-strreset-xxx */ 38729964Sache#define SCTP_STR_RESET_OUT_REQUEST 0x000d 38829964Sache#define SCTP_STR_RESET_IN_REQUEST 0x000e 38929964Sache#define SCTP_STR_RESET_TSN_REQUEST 0x000f 39029964Sache#define SCTP_STR_RESET_RESPONSE 0x0010 39122347Spst 39222347Spst#define SCTP_MAX_RESET_PARAMS 2 39322347Spst#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 39422347Spst 39522347Spst/*************0x4000 series*************/ 39622347Spst 39722347Spst/*************0x8000 series*************/ 39822347Spst#define SCTP_ECN_CAPABLE 0x8000 39922347Spst/* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 40022347Spst#define SCTP_ECN_NONCE_SUPPORTED 0x8001 40122347Spst/* draft-ietf-tsvwg-auth-xxx */ 40222347Spst#define SCTP_RANDOM 0x8002 40322347Spst#define SCTP_CHUNK_LIST 0x8003 40422347Spst#define SCTP_HMAC_LIST 0x8004 40522347Spst/* 40622347Spst * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 40722347Spst * | Byte Byte | Byte ... 40822347Spst * 40922347Spst * Where each byte is a chunk type extension supported. For example, to support 41022347Spst * all chunks one would have (in hex): 41122347Spst * 41222347Spst * 80 01 00 09 C0 C1 80 81 82 00 00 00 41322347Spst * 41422347Spst * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 41522347Spst * = Packet Drop 82 = Stream Reset 83 = Authentication 41622347Spst */ 41722347Spst#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 41822347Spst 41922347Spst/*************0xC000 series*************/ 42022347Spst#define SCTP_PRSCTP_SUPPORTED 0xc000 42122347Spst/* draft-ietf-tsvwg-addip-sctp */ 42222347Spst#define SCTP_ADD_IP_ADDRESS 0xc001 42322347Spst#define SCTP_DEL_IP_ADDRESS 0xc002 42422347Spst#define SCTP_ERROR_CAUSE_IND 0xc003 42522347Spst#define SCTP_SET_PRIM_ADDR 0xc004 42622347Spst#define SCTP_SUCCESS_REPORT 0xc005 42722347Spst#define SCTP_ULP_ADAPTATION 0xc006 42822347Spst 42922347Spst/* Notification error codes */ 43022347Spst#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 43122347Spst#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 43222347Spst#define SCTP_FAILED_THRESHOLD 0x0004 43322347Spst#define SCTP_HEARTBEAT_SUCCESS 0x0008 43422347Spst#define SCTP_RESPONSE_TO_USER_REQ 0x000f 43522347Spst#define SCTP_INTERNAL_ERROR 0x0010 43622347Spst#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0020 43722347Spst#define SCTP_RECEIVED_SACK 0x0040 43822347Spst#define SCTP_PEER_FAULTY 0x0080 43922347Spst 44022347Spst/* bits for TOS field */ 44122347Spst#define SCTP_ECT0_BIT 0x02 44222347Spst#define SCTP_ECT1_BIT 0x01 44329964Sache#define SCTP_CE_BITS 0x03 44429964Sache 44522347Spst/* below turns off above */ 44629964Sache#define SCTP_FLEXIBLE_ADDRESS 0x20 44722347Spst#define SCTP_NO_HEARTBEAT 0x40 44822347Spst 44922347Spst/* mask to get sticky */ 45022347Spst#define SCTP_STICKY_OPTIONS_MASK 0x0c 45122347Spst 45222347Spst 45329964Sache/* 45422347Spst * SCTP states for internal state machine XXX (should match "user" values) 45522347Spst */ 45622347Spst#define SCTP_STATE_EMPTY 0x0000 45722347Spst#define SCTP_STATE_INUSE 0x0001 45822347Spst#define SCTP_STATE_COOKIE_WAIT 0x0002 45922347Spst#define SCTP_STATE_COOKIE_ECHOED 0x0004 46022347Spst#define SCTP_STATE_OPEN 0x0008 46122347Spst#define SCTP_STATE_SHUTDOWN_SENT 0x0010 46222347Spst#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 46322347Spst#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 46422347Spst#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 46522347Spst#define SCTP_STATE_CLOSED_SOCKET 0x0100 46622347Spst#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 46722347Spst#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 46822347Spst#define SCTP_STATE_MASK 0x007f 46922347Spst 47022347Spst#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 47122347Spst 47222347Spst/* SCTP reachability state for each address */ 47359118Skris#define SCTP_ADDR_REACHABLE 0x001 47459118Skris#define SCTP_ADDR_NOT_REACHABLE 0x002 47522347Spst#define SCTP_ADDR_NOHB 0x004 47622347Spst#define SCTP_ADDR_BEING_DELETED 0x008 47722347Spst#define SCTP_ADDR_NOT_IN_ASSOC 0x010 47822347Spst#define SCTP_ADDR_WAS_PRIMARY 0x020 47922347Spst#define SCTP_ADDR_SWITCH_PRIMARY 0x040 48022347Spst#define SCTP_ADDR_OUT_OF_SCOPE 0x080 48122347Spst#define SCTP_ADDR_DOUBLE_SWITCH 0x100 48222347Spst#define SCTP_ADDR_UNCONFIRMED 0x200 48322347Spst#define SCTP_ADDR_REQ_PRIMARY 0x400 48422347Spst#define SCTP_REACHABLE_MASK 0x203 48522347Spst 48622347Spst/* bound address types (e.g. valid address types to allow) */ 48722347Spst#define SCTP_BOUND_V6 0x01 48829964Sache#define SCTP_BOUND_V4 0x02 48922347Spst 49022347Spst/* 49122347Spst * what is the default number of mbufs in a chain I allow before switching to 49222347Spst * a cluster 49329964Sache */ 49422347Spst#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 49522347Spst 49622347Spst/* How long a cookie lives in milli-seconds */ 49722347Spst#define SCTP_DEFAULT_COOKIE_LIFE 60000 49822347Spst 49922347Spst/* resource limit of streams */ 50022347Spst#define MAX_SCTP_STREAMS 2048 50122347Spst 50222347Spst/* Maximum the mapping array will grow to (TSN mapping array) */ 50322347Spst#define SCTP_MAPPING_ARRAY 512 50422347Spst 50522347Spst/* size of the inital malloc on the mapping array */ 50622347Spst#define SCTP_INITIAL_MAPPING_ARRAY 16 50722347Spst/* how much we grow the mapping array each call */ 50822347Spst#define SCTP_MAPPING_ARRAY_INCR 32 50922347Spst 51022347Spst/* 51122347Spst * Here we define the timer types used by the implementation as arguments in 51222347Spst * the set/get timer type calls. 513 */ 514#define SCTP_TIMER_INIT 0 515#define SCTP_TIMER_RECV 1 516#define SCTP_TIMER_SEND 2 517#define SCTP_TIMER_HEARTBEAT 3 518#define SCTP_TIMER_PMTU 4 519#define SCTP_TIMER_MAXSHUTDOWN 5 520#define SCTP_TIMER_SIGNATURE 6 521/* 522 * number of timer types in the base SCTP structure used in the set/get and 523 * has the base default. 524 */ 525#define SCTP_NUM_TMRS 7 526 527/* timer types */ 528#define SCTP_TIMER_TYPE_NONE 0 529#define SCTP_TIMER_TYPE_SEND 1 530#define SCTP_TIMER_TYPE_INIT 2 531#define SCTP_TIMER_TYPE_RECV 3 532#define SCTP_TIMER_TYPE_SHUTDOWN 4 533#define SCTP_TIMER_TYPE_HEARTBEAT 5 534#define SCTP_TIMER_TYPE_COOKIE 6 535#define SCTP_TIMER_TYPE_NEWCOOKIE 7 536#define SCTP_TIMER_TYPE_PATHMTURAISE 8 537#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 538#define SCTP_TIMER_TYPE_ASCONF 10 539#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 540#define SCTP_TIMER_TYPE_AUTOCLOSE 12 541#define SCTP_TIMER_TYPE_EVENTWAKE 13 542#define SCTP_TIMER_TYPE_STRRESET 14 543#define SCTP_TIMER_TYPE_INPKILL 15 544#define SCTP_TIMER_TYPE_ITERATOR 16 545#define SCTP_TIMER_TYPE_EARLYFR 17 546#define SCTP_TIMER_TYPE_ASOCKILL 18 547#define SCTP_TIMER_TYPE_ADDR_WQ 19 548#define SCTP_TIMER_TYPE_ZERO_COPY 20 549#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21 550/* add new timers here - and increment LAST */ 551#define SCTP_TIMER_TYPE_LAST 22 552 553#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 554 ((t) < SCTP_TIMER_TYPE_LAST)) 555 556 557 558/* 559 * Number of ticks before the soxwakeup() event that is delayed is sent AFTER 560 * the accept() call 561 */ 562#define SCTP_EVENTWAKEUP_WAIT_TICKS 3000 563 564/* 565 * Of course we really don't collect stale cookies, being folks of decerning 566 * taste. However we do count them, if we get too many before the association 567 * comes up.. we give up. Below is the constant that dictates when we give it 568 * up...this is a implemenation dependent treatment. In ours we do not ask 569 * for a extension of time, but just retry this many times... 570 */ 571#define SCTP_MAX_STALE_COOKIES_I_COLLECT 10 572 573/* max number of TSN's dup'd that I will hold */ 574#define SCTP_MAX_DUP_TSNS 20 575 576/* 577 * Here we define the types used when setting the retry amounts. 578 */ 579/* constants for type of set */ 580#define SCTP_MAXATTEMPT_INIT 2 581#define SCTP_MAXATTEMPT_SEND 3 582 583/* Maximum TSN's we will summarize in a drop report */ 584#define SCTP_MAX_DROP_REPORT 16 585 586/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 587#define SCTP_RETRY_DROPPED_THRESH 4 588 589/* 590 * And the max we will keep a history of in the tcb which MUST be lower than 591 * 256. 592 */ 593#define SCTP_MAX_DROP_SAVE_REPORT 16 594 595/* 596 * Here we define the default timers and the default number of attemts we 597 * make for each respective side (send/init). 598 */ 599 600/* 601 * Maxmium number of chunks a single association can have on it. Note that 602 * this is a squishy number since the count can run over this if the user 603 * sends a large message down .. the fragmented chunks don't count until 604 * AFTER the message is on queue.. it would be the next send that blocks 605 * things. This number will get tuned up at boot in the sctp_init and use the 606 * number of clusters as a base. This way high bandwidth environments will 607 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 608 */ 609#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 610 611/* The conversion from time to ticks and vice versa is done by rounding 612 * upwards. This way we can test in the code the time to be positive and 613 * know that this corresponds to a positive number of ticks. 614 */ 615#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 616#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 617 618#define SEC_TO_TICKS(x) ((x) * hz) 619#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 620 621/* 622 * Basically the minimum amount of time before I do a early FR. Making this 623 * value to low will cause duplicate retransmissions. 624 */ 625#define SCTP_MINFR_MSEC_TIMER 250 626/* The floor this value is allowed to fall to when starting a timer. */ 627#define SCTP_MINFR_MSEC_FLOOR 20 628 629/* init timer def = 1 sec */ 630#define SCTP_INIT_SEC 1 631 632/* send timer def = 1 seconds */ 633#define SCTP_SEND_SEC 1 634 635/* recv timer def = 200ms */ 636#define SCTP_RECV_MSEC 200 637 638/* 30 seconds + RTO (in ms) */ 639#define SCTP_HB_DEFAULT_MSEC 30000 640 641/* Max time I will wait for Shutdown to complete */ 642#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 643 644 645/* 646 * This is how long a secret lives, NOT how long a cookie lives how many 647 * ticks the current secret will live. 648 */ 649#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 650 651#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 652#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 653#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 654#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 655 656 657#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 658#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 659 660#define SCTP_DEF_MAX_INIT 8 661#define SCTP_DEF_MAX_SEND 10 662#define SCTP_DEF_MAX_PATH_RTX 5 663 664#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 665#define SCTP_DEF_PMTU_MIN 600 666 667 668#define SCTP_MSEC_IN_A_SEC 1000 669#define SCTP_USEC_IN_A_SEC 1000000 670#define SCTP_NSEC_IN_A_SEC 1000000000 671 672#define SCTP_MAX_OUTSTANDING_DG 10000 673 674/* How many streams I request initally by default */ 675#define SCTP_OSTREAM_INITIAL 10 676 677/* 678 * How many smallest_mtu's need to increase before a window update sack is 679 * sent (should be a power of 2). 680 */ 681#define SCTP_SEG_TO_RWND_UPD 32 682/* Send window update (incr * this > hiwat). Should be a power of 2 */ 683#define SCTP_SCALE_OF_RWND_TO_UPD 4 684#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 685 686#define SCTP_ADDRMAX 20 687 688/* SCTP DEBUG Switch parameters */ 689#define SCTP_DEBUG_TIMER1 0x00000001 690#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 691#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 692#define SCTP_DEBUG_TIMER4 0x00000008 693#define SCTP_DEBUG_OUTPUT1 0x00000010 694#define SCTP_DEBUG_OUTPUT2 0x00000020 695#define SCTP_DEBUG_OUTPUT3 0x00000040 696#define SCTP_DEBUG_OUTPUT4 0x00000080 697#define SCTP_DEBUG_UTIL1 0x00000100 698#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 699#define SCTP_DEBUG_AUTH1 0x00000400 700#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 701#define SCTP_DEBUG_INPUT1 0x00001000 702#define SCTP_DEBUG_INPUT2 0x00002000 703#define SCTP_DEBUG_INPUT3 0x00004000 704#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 705#define SCTP_DEBUG_ASCONF1 0x00010000 706#define SCTP_DEBUG_ASCONF2 0x00020000 707#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 708#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 709#define SCTP_DEBUG_PCB1 0x00100000 710#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 711#define SCTP_DEBUG_PCB3 0x00400000 712#define SCTP_DEBUG_PCB4 0x00800000 /* unused */ 713#define SCTP_DEBUG_INDATA1 0x01000000 714#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 715#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 716#define SCTP_DEBUG_INDATA4 0x08000000 /* unused */ 717#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 718#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 719#define SCTP_DEBUG_PEEL1 0x40000000 720#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 721#define SCTP_DEBUG_ALL 0x7ff3ffff 722#define SCTP_DEBUG_NOISY 0x00040000 723 724/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 725#define SCTP_SWS_SENDER_DEF 1420 726 727/* 728 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 729 * would be hiwat/2 etc. 730 */ 731/* What receiver needs to see in sockbuf or we tell peer its 1 */ 732#define SCTP_SWS_RECEIVER_DEF 3000 733 734#define SCTP_INITIAL_CWND 4380 735 736#define SCTP_DEFAULT_MTU 1500 /* emegency default MTU */ 737/* amount peer is obligated to have in rwnd or I will abort */ 738#define SCTP_MIN_RWND 1500 739 740#define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */ 741#define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to My playing 742 * around suggests a value greater than 64k 743 * does not do much, I guess via the kernel 744 * limitations on the stream/socket. */ 745 746/* I can handle a 1meg re-assembly */ 747#define SCTP_DEFAULT_MAXMSGREASM 1048576 748 749#define SCTP_DEFAULT_MAXSEGMENT 65535 750 751#define SCTP_CHUNK_BUFFER_SIZE 2048 752#define SCTP_PARAM_BUFFER_SIZE 512 753 754#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 755#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 756 757#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 758#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 759 760 761/* 762 * SCTP upper layer notifications 763 */ 764#define SCTP_NOTIFY_ASSOC_UP 1 765#define SCTP_NOTIFY_ASSOC_DOWN 2 766#define SCTP_NOTIFY_INTERFACE_DOWN 3 767#define SCTP_NOTIFY_INTERFACE_UP 4 768#define SCTP_NOTIFY_DG_FAIL 5 769#define SCTP_NOTIFY_STRDATA_ERR 6 770#define SCTP_NOTIFY_ASSOC_ABORTED 7 771#define SCTP_NOTIFY_PEER_OPENED_STREAM 8 772#define SCTP_NOTIFY_STREAM_OPENED_OK 9 773#define SCTP_NOTIFY_ASSOC_RESTART 10 774#define SCTP_NOTIFY_HB_RESP 11 775#define SCTP_NOTIFY_ASCONF_SUCCESS 12 776#define SCTP_NOTIFY_ASCONF_FAILED 13 777#define SCTP_NOTIFY_PEER_SHUTDOWN 14 778#define SCTP_NOTIFY_ASCONF_ADD_IP 15 779#define SCTP_NOTIFY_ASCONF_DELETE_IP 16 780#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 781#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 782#define SCTP_NOTIFY_ADAPTATION_INDICATION 19 783/* same as above */ 784#define SCTP_NOTIFY_ADAPTION_INDICATION 19 785#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 786#define SCTP_NOTIFY_STR_RESET_RECV 21 787#define SCTP_NOTIFY_STR_RESET_SEND 22 788#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 789#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 790#define SCTP_NOTIFY_AUTH_NEW_KEY 25 791#define SCTP_NOTIFY_AUTH_KEY_CONFLICT 26 792#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 793#define SCTP_NOTIFY_MAX 27 794 795/* This is the value for messages that are NOT completely 796 * copied down where we will start to split the message. 797 * So, with our default, we split only if the piece we 798 * want to take will fill up a full MTU (assuming 799 * a 1500 byte MTU). 800 */ 801#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 802 803/* ABORT CODES and other tell-tale location 804 * codes are generated by adding the below 805 * to the instance id. 806 */ 807 808/* File defines */ 809#define SCTP_FROM_SCTP_INPUT 0x10000000 810#define SCTP_FROM_SCTP_PCB 0x20000000 811#define SCTP_FROM_SCTP_INDATA 0x30000000 812#define SCTP_FROM_SCTP_TIMER 0x40000000 813#define SCTP_FROM_SCTP_USRREQ 0x50000000 814#define SCTP_FROM_SCTPUTIL 0x60000000 815#define SCTP_FROM_SCTP6_USRREQ 0x70000000 816#define SCTP_FROM_SCTP_ASCONF 0x80000000 817#define SCTP_FROM_SCTP_OUTPUT 0x90000000 818#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 819#define SCTP_FROM_SCTP_PANDA 0xb0000000 820 821/* Location ID's */ 822#define SCTP_LOC_1 0x00000001 823#define SCTP_LOC_2 0x00000002 824#define SCTP_LOC_3 0x00000003 825#define SCTP_LOC_4 0x00000004 826#define SCTP_LOC_5 0x00000005 827#define SCTP_LOC_6 0x00000006 828#define SCTP_LOC_7 0x00000007 829#define SCTP_LOC_8 0x00000008 830#define SCTP_LOC_9 0x00000009 831#define SCTP_LOC_10 0x0000000a 832#define SCTP_LOC_11 0x0000000b 833#define SCTP_LOC_12 0x0000000c 834#define SCTP_LOC_13 0x0000000d 835#define SCTP_LOC_14 0x0000000e 836#define SCTP_LOC_15 0x0000000f 837#define SCTP_LOC_16 0x00000010 838#define SCTP_LOC_17 0x00000011 839#define SCTP_LOC_18 0x00000012 840#define SCTP_LOC_19 0x00000013 841#define SCTP_LOC_20 0x00000014 842#define SCTP_LOC_21 0x00000015 843#define SCTP_LOC_22 0x00000016 844#define SCTP_LOC_23 0x00000017 845#define SCTP_LOC_24 0x00000018 846#define SCTP_LOC_25 0x00000019 847#define SCTP_LOC_26 0x0000001a 848#define SCTP_LOC_27 0x0000001b 849#define SCTP_LOC_28 0x0000001c 850#define SCTP_LOC_29 0x0000001d 851#define SCTP_LOC_30 0x0000001e 852#define SCTP_LOC_31 0x0000001f 853#define SCTP_LOC_32 0x00000020 854#define SCTP_LOC_33 0x00000021 855 856 857/* Free assoc codes */ 858#define SCTP_NORMAL_PROC 0 859#define SCTP_PCBFREE_NOFORCE 1 860#define SCTP_PCBFREE_FORCE 2 861 862/* From codes for adding addresses */ 863#define SCTP_ADDR_IS_CONFIRMED 8 864#define SCTP_ADDR_DYNAMIC_ADDED 6 865#define SCTP_IN_COOKIE_PROC 100 866#define SCTP_ALLOC_ASOC 1 867#define SCTP_LOAD_ADDR_2 2 868#define SCTP_LOAD_ADDR_3 3 869#define SCTP_LOAD_ADDR_4 4 870#define SCTP_LOAD_ADDR_5 5 871 872#define SCTP_DONOT_SETSCOPE 0 873#define SCTP_DO_SETSCOPE 1 874 875 876/* This value determines the default for when 877 * we try to add more on the send queue., if 878 * there is room. This prevents us from cycling 879 * into the copy_resume routine to often if 880 * we have not got enough space to add a decent 881 * enough size message. Note that if we have enough 882 * space to complete the message copy we will always 883 * add to the message, no matter what the size. Its 884 * only when we reach the point that we have some left 885 * to add, there is only room for part of it that we 886 * will use this threshold. Its also a sysctl. 887 */ 888#define SCTP_DEFAULT_ADD_MORE 1452 889 890#ifndef SCTP_PCBHASHSIZE 891/* default number of association hash buckets in each endpoint */ 892#define SCTP_PCBHASHSIZE 256 893#endif 894#ifndef SCTP_TCBHASHSIZE 895#define SCTP_TCBHASHSIZE 1024 896#endif 897 898#ifndef SCTP_CHUNKQUEUE_SCALE 899#define SCTP_CHUNKQUEUE_SCALE 10 900#endif 901 902/* clock variance is 1 ms */ 903#define SCTP_CLOCK_GRANULARITY 1 904#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 905 * detracts a small amount for ipv4 but it 906 * simplifies the ipv6 addition */ 907 908/* Argument magic number for sctp_inpcb_free() */ 909 910/* third argument */ 911#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 912#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 913 914/* second argument */ 915#define SCTP_FREE_SHOULD_USE_ABORT 1 916#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 917 918#ifndef IPPROTO_SCTP 919#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 920#endif /* !IPPROTO_SCTP */ 921 922#define SCTP_MAX_DATA_BUNDLING 256 923#define SCTP_MAX_CONTROL_BUNDLING 20 924 925/* modular comparison */ 926/* True if a > b (mod = M) */ 927#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 928 ((b > a) && ((b - a) > ((M >> 1) + 1)))) 929 930 931/* Mapping array manipulation routines */ 932#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 933#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 934#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 935 936 937#define SCTP_RETRAN_DONE -1 938#define SCTP_RETRAN_EXIT -2 939 940/* 941 * This value defines the number of vtag block time wait entry's per list 942 * element. Each entry will take 2 4 byte ints (and of course the overhead 943 * of the next pointer as well). Using 15 as an example will yield * ((8 * 944 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 945 * initialized. Increasing it to 31 would yeild 256 bytes per block. 946 */ 947#define SCTP_NUMBER_IN_VTAG_BLOCK 15 948/* 949 * If we use the STACK option, we have an array of this size head pointers. 950 * This array is mod'd the with the size to find which bucket and then all 951 * entries must be searched to see if the tag is in timed wait. If so we 952 * reject it. 953 */ 954#define SCTP_STACK_VTAG_HASH_SIZE 31 955#define SCTP_STACK_VTAG_HASH_SIZE_A 32 956 957 958/* 959 * If we use the per-endpoint model than we do not have a hash table of 960 * entries but instead have a single head pointer and we must crawl through 961 * the entire list. 962 */ 963 964/* 965 * Number of seconds of time wait, tied to MSL value (2 minutes), so 2 * MSL 966 * = 4 minutes or 480 seconds. 967 */ 968#define SCTP_TIME_WAIT 480 969 970/* This time wait is the same as the default cookie life 971 * since we now enter a tag in every time we send a cookie. 972 * We want this shorter to avoid vtag depletion. 973 */ 974#define SCTP_TIME_WAIT_SHORT 60 975 976/* The system retains a cache of free chunks such to 977 * cut down on calls the memory allocation system. There 978 * is a per association limit of free items and a overall 979 * system limit. If either one gets hit then the resource 980 * stops being cached. 981 */ 982 983#define SCTP_DEF_ASOC_RESC_LIMIT 10 984#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 985 986 987#define IN4_ISPRIVATE_ADDRESS(a) \ 988 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 989 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 990 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 991 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 992 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 993 (((uint8_t *)&(a)->s_addr)[1] == 168))) 994 995#define IN4_ISLOOPBACK_ADDRESS(a) \ 996 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 997 (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 998 (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 999 (((uint8_t *)&(a)->s_addr)[3] == 1)) 1000 1001 1002#if defined(_KERNEL) 1003 1004#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 1005#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 1006/*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 1007/*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 1008/* (x)->tv_sec = ticks / 1000; \*/ 1009/* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 1010/*}*/ 1011 1012/*#else*/ 1013/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 1014/*#endif __FreeBSD__ */ 1015 1016#define sctp_sowwakeup(inp, so) \ 1017do { \ 1018 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1019 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1020 } else { \ 1021 sowwakeup(so); \ 1022 } \ 1023} while (0) 1024 1025#define sctp_sowwakeup_locked(inp, so) \ 1026do { \ 1027 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1028 SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1029 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1030 } else { \ 1031 sowwakeup_locked(so); \ 1032 } \ 1033} while (0) 1034 1035#define sctp_sorwakeup(inp, so) \ 1036do { \ 1037 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1038 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1039 } else { \ 1040 sorwakeup(so); \ 1041 } \ 1042} while (0) 1043 1044#define sctp_sorwakeup_locked(inp, so) \ 1045do { \ 1046 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1047 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1048 SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1049 } else { \ 1050 sorwakeup_locked(so); \ 1051 } \ 1052} while (0) 1053 1054#endif /* _KERNEL */ 1055#endif 1056