sctp_constants.h revision 168124
1234370Sjasone/*- 2234370Sjasone * Copyright (c) 2001-2007, Cisco Systems, Inc. All rights reserved. 3234370Sjasone * 4234370Sjasone * Redistribution and use in source and binary forms, with or without 5234370Sjasone * modification, are permitted provided that the following conditions are met: 6234370Sjasone * 7234370Sjasone * a) Redistributions of source code must retain the above copyright notice, 8234370Sjasone * this list of conditions and the following disclaimer. 9234370Sjasone * 10234370Sjasone * b) Redistributions in binary form must reproduce the above copyright 11234370Sjasone * notice, this list of conditions and the following disclaimer in 12234370Sjasone * the documentation and/or other materials provided with the distribution. 13234370Sjasone * 14234370Sjasone * c) Neither the name of Cisco Systems, Inc. nor the names of its 15234370Sjasone * contributors may be used to endorse or promote products derived 16234370Sjasone * from this software without specific prior written permission. 17234370Sjasone * 18234370Sjasone * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19234370Sjasone * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20234370Sjasone * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21234370Sjasone * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22234370Sjasone * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23234370Sjasone * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24234370Sjasone * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25234370Sjasone * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26234370Sjasone * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27234370Sjasone * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28234370Sjasone * THE POSSIBILITY OF SUCH DAMAGE. 29234370Sjasone */ 30234370Sjasone 31234370Sjasone/* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */ 32234370Sjasone 33234370Sjasone#include <sys/cdefs.h> 34234370Sjasone__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 168124 2007-03-31 11:47:30Z rrs $"); 35234370Sjasone 36234370Sjasone#ifndef __sctp_constants_h__ 37234370Sjasone#define __sctp_constants_h__ 38234370Sjasone 39234370Sjasone/* Number of packets to get before sack sent by default */ 40234370Sjasone#define SCTP_DEFAULT_SACK_FREQ 2 41242844Sjasone 42242844Sjasone/* Address limit - This variable is calculated 43234370Sjasone * based on an 1500 byte mtu. We take out 100 bytes 44242844Sjasone * for the cookie, 40 bytes for a v6 header and 32 45234370Sjasone * bytes for the init structure. A second init structure 46234370Sjasone * for the init-ack and then finally a third one for the 47234370Sjasone * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 48234370Sjasone * This leaves 1264 bytes for addresses. Now whatever we 49234370Sjasone * send in the INIT() we need to allow to get back in the 50234370Sjasone * INIT-ACK plus all the values from INIT and INIT-ACK 51234370Sjasone * listed in the cookie. Plus we need some overhead for 52234370Sjasone * maybe copied parameters in the COOKIE. If we 53234370Sjasone * allow 20 addresses, and each side has 20 V6 addresses 54234370Sjasone * that will be 400 bytes. In the INIT-ACK we will 55234370Sjasone * see the INIT-ACK 400 + 800 in the cookie. This leaves 56234370Sjasone * 64 bytes slack for misc things in the cookie. Otherwise 57234370Sjasone * we need to allow IP fragmentation.. which I believe 58234370Sjasone * the INIT-ACK and COOKIE do, I don't think we do that 59234370Sjasone * to the INIT though. So the max you could make this 60234370Sjasone * value is 60 addresses. 61234370Sjasone */ 62234370Sjasone#define SCTP_ADDRESS_LIMIT 20 63234370Sjasone 64234370Sjasone/* Number of addresses where we just skip the counting */ 65234370Sjasone#define SCTP_COUNT_LIMIT 40 66234370Sjasone 67234370Sjasone/* Number of ticks to delay before running 68234370Sjasone * iterator on an address change. 69234370Sjasone */ 70234370Sjasone#define SCTP_ADDRESS_TICK_DELAY 2 71234370Sjasone 72242844Sjasone#define SCTP_VERSION_STRING "KAME-BSD 1.1" 73234370Sjasone/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 74234370Sjasone#define SCTP_AUDIT_SIZE 256 75234370Sjasone#define SCTP_STAT_LOG_SIZE 80000 76234370Sjasone 77234370Sjasone#define SCTP_USE_THREAD_BASED_ITERATOR 1 78234370Sjasone 79234370Sjasone#define SCTP_KTRHEAD_NAME "sctp_iterator" 80234370Sjasone#define SCTP_KTHREAD_PAGES 2 81234370Sjasone 82234370Sjasone 83234370Sjasone/* If you support Multi-VRF how big to 84234370Sjasone * make the initial array of VRF's to. 85234370Sjasone */ 86234370Sjasone#define SCTP_DEFAULT_VRF_SIZE 4 87234370Sjasone 88234370Sjasone/* Places that CWND log can happen from */ 89234370Sjasone#define SCTP_CWND_LOG_FROM_FR 1 90234370Sjasone#define SCTP_CWND_LOG_FROM_RTX 2 91234370Sjasone#define SCTP_CWND_LOG_FROM_BRST 3 92234370Sjasone#define SCTP_CWND_LOG_FROM_SS 4 93234370Sjasone#define SCTP_CWND_LOG_FROM_CA 5 94234370Sjasone#define SCTP_CWND_LOG_FROM_SAT 6 95234370Sjasone#define SCTP_BLOCK_LOG_INTO_BLK 7 96235322Sjasone#define SCTP_BLOCK_LOG_OUTOF_BLK 8 97234370Sjasone#define SCTP_BLOCK_LOG_CHECK 9 98234370Sjasone#define SCTP_STR_LOG_FROM_INTO_STRD 10 99234370Sjasone#define SCTP_STR_LOG_FROM_IMMED_DEL 11 100234370Sjasone#define SCTP_STR_LOG_FROM_INSERT_HD 12 101234370Sjasone#define SCTP_STR_LOG_FROM_INSERT_MD 13 102235322Sjasone#define SCTP_STR_LOG_FROM_INSERT_TL 14 103234370Sjasone#define SCTP_STR_LOG_FROM_MARK_TSN 15 104234370Sjasone#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 105234370Sjasone#define SCTP_FR_LOG_BIGGEST_TSNS 17 106234370Sjasone#define SCTP_FR_LOG_STRIKE_TEST 18 107234370Sjasone#define SCTP_FR_LOG_STRIKE_CHUNK 19 108234370Sjasone#define SCTP_FR_T3_TIMEOUT 20 109234370Sjasone#define SCTP_MAP_PREPARE_SLIDE 21 110234370Sjasone#define SCTP_MAP_SLIDE_FROM 22 111234370Sjasone#define SCTP_MAP_SLIDE_RESULT 23 112235238Sjasone#define SCTP_MAP_SLIDE_CLEARED 24 113235238Sjasone#define SCTP_MAP_SLIDE_NONE 25 114234370Sjasone#define SCTP_FR_T3_MARK_TIME 26 115234370Sjasone#define SCTP_FR_T3_MARKED 27 116234370Sjasone#define SCTP_FR_T3_STOPPED 28 117234370Sjasone#define SCTP_FR_MARKED 30 118234370Sjasone#define SCTP_CWND_LOG_NOADV_SS 31 119234370Sjasone#define SCTP_CWND_LOG_NOADV_CA 32 120234370Sjasone#define SCTP_MAX_BURST_APPLIED 33 121235322Sjasone#define SCTP_MAX_IFP_APPLIED 34 122235238Sjasone#define SCTP_MAX_BURST_ERROR_STOP 35 123235322Sjasone#define SCTP_INCREASE_PEER_RWND 36 124234370Sjasone#define SCTP_DECREASE_PEER_RWND 37 125234370Sjasone#define SCTP_SET_PEER_RWND_VIA_SACK 38 126235322Sjasone#define SCTP_LOG_MBCNT_INCREASE 39 127235238Sjasone#define SCTP_LOG_MBCNT_DECREASE 40 128235322Sjasone#define SCTP_LOG_MBCNT_CHKSET 41 129234370Sjasone#define SCTP_LOG_NEW_SACK 42 130234370Sjasone#define SCTP_LOG_TSN_ACKED 43 131235238Sjasone#define SCTP_LOG_TSN_REVOKED 44 132235238Sjasone#define SCTP_LOG_LOCK_TCB 45 133235238Sjasone#define SCTP_LOG_LOCK_INP 46 134234370Sjasone#define SCTP_LOG_LOCK_SOCK 47 135234370Sjasone#define SCTP_LOG_LOCK_SOCKBUF_R 48 136235322Sjasone#define SCTP_LOG_LOCK_SOCKBUF_S 49 137235238Sjasone#define SCTP_LOG_LOCK_CREATE 50 138235322Sjasone#define SCTP_LOG_INITIAL_RTT 51 139234370Sjasone#define SCTP_LOG_RTTVAR 52 140234370Sjasone#define SCTP_LOG_SBALLOC 53 141235238Sjasone#define SCTP_LOG_SBFREE 54 142234370Sjasone#define SCTP_LOG_SBRESULT 55 143234370Sjasone#define SCTP_FR_DUPED 56 144235322Sjasone#define SCTP_FR_MARKED_EARLY 57 145234370Sjasone#define SCTP_FR_CWND_REPORT 58 146234370Sjasone#define SCTP_FR_CWND_REPORT_START 59 147235238Sjasone#define SCTP_FR_CWND_REPORT_STOP 60 148235238Sjasone#define SCTP_CWND_LOG_FROM_SEND 61 149235238Sjasone#define SCTP_CWND_INITIALIZATION 62 150235238Sjasone#define SCTP_CWND_LOG_FROM_T3 63 151235238Sjasone#define SCTP_CWND_LOG_FROM_SACK 64 152235238Sjasone#define SCTP_CWND_LOG_NO_CUMACK 65 153234370Sjasone#define SCTP_CWND_LOG_FROM_RESEND 66 154234370Sjasone#define SCTP_FR_LOG_CHECK_STRIKE 67 155234370Sjasone#define SCTP_SEND_NOW_COMPLETES 68 156234370Sjasone#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 157234370Sjasone#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 158234370Sjasone#define SCTP_LOG_FREE_SENT 71 159234370Sjasone#define SCTP_NAGLE_APPLIED 72 160234370Sjasone#define SCTP_NAGLE_SKIPPED 73 161234370Sjasone#define SCTP_WAKESND_FROM_SACK 74 162234370Sjasone#define SCTP_WAKESND_FROM_FWDTSN 75 163234370Sjasone#define SCTP_NOWAKE_FROM_SACK 76 164234370Sjasone#define SCTP_CWNDLOG_PRESEND 77 165242844Sjasone#define SCTP_CWNDLOG_ENDSEND 78 166234370Sjasone#define SCTP_AT_END_OF_SACK 79 167242844Sjasone#define SCTP_REASON_FOR_SC 80 168242844Sjasone#define SCTP_BLOCK_LOG_INTO_BLKA 81 169234370Sjasone#define SCTP_ENTER_USER_RECV 82 170234370Sjasone#define SCTP_USER_RECV_SACKS 83 171242844Sjasone#define SCTP_SORECV_BLOCKSA 84 172234370Sjasone#define SCTP_SORECV_BLOCKSB 85 173242844Sjasone#define SCTP_SORECV_DONE 86 174242844Sjasone#define SCTP_SACK_RWND_UPDATE 87 175242844Sjasone#define SCTP_SORECV_ENTER 88 176234370Sjasone#define SCTP_SORECV_ENTERPL 89 177242844Sjasone#define SCTP_MBUF_INPUT 90 178242844Sjasone#define SCTP_MBUF_IALLOC 91 179242844Sjasone#define SCTP_MBUF_IFREE 92 180242844Sjasone#define SCTP_MBUF_ICOPY 93 181242844Sjasone#define SCTP_SORCV_FREECTL 94 182242844Sjasone#define SCTP_SORCV_DOESCPY 95 183242844Sjasone#define SCTP_SORCV_DOESLCK 96 184242844Sjasone#define SCTP_SORCV_DOESADJ 97 185234370Sjasone#define SCTP_SORCV_BOTWHILE 98 186234370Sjasone#define SCTP_SORCV_PASSBF 99 187234370Sjasone#define SCTP_SORCV_ADJD 100 188234370Sjasone#define SCTP_UNKNOWN_MAX 101 189234370Sjasone#define SCTP_RANDY_STUFF 102 190242844Sjasone#define SCTP_RANDY_STUFF1 103 191234370Sjasone#define SCTP_STRMOUT_LOG_ASSIGN 104 192234370Sjasone#define SCTP_STRMOUT_LOG_SEND 105 193234370Sjasone#define SCTP_FLIGHT_LOG_DOWN 106 194234370Sjasone#define SCTP_FLIGHT_LOG_UP 107 195234370Sjasone#define SCTP_LOG_MAX_TYPES 108 196234370Sjasone/* 197234370Sjasone * To turn on various logging, you must first define SCTP_STAT_LOGGING. Then 198234370Sjasone * to get something to log you define one of the logging defines i.e. 199234370Sjasone * 200234370Sjasone * SCTP_CWND_LOGGING SCTP_BLK_LOGGING SCTP_STR_LOGGING SCTP_FR_LOGGING 201234370Sjasone * 202234370Sjasone * Any one or a combination of the logging can be turned on. 203234370Sjasone */ 204234370Sjasone#define SCTP_LOG_EVENT_UNKNOWN 0 205234370Sjasone#define SCTP_LOG_EVENT_CWND 1 206234370Sjasone#define SCTP_LOG_EVENT_BLOCK 2 207234370Sjasone#define SCTP_LOG_EVENT_STRM 3 208234370Sjasone#define SCTP_LOG_EVENT_FR 4 209234370Sjasone#define SCTP_LOG_EVENT_MAP 5 210234370Sjasone#define SCTP_LOG_EVENT_MAXBURST 6 211234370Sjasone#define SCTP_LOG_EVENT_RWND 7 212234370Sjasone#define SCTP_LOG_EVENT_MBCNT 8 213234370Sjasone#define SCTP_LOG_EVENT_SACK 9 214234370Sjasone#define SCTP_LOG_LOCK_EVENT 10 215234370Sjasone#define SCTP_LOG_EVENT_RTT 11 216234370Sjasone#define SCTP_LOG_EVENT_SB 12 217234370Sjasone#define SCTP_LOG_EVENT_NAGLE 13 218234370Sjasone#define SCTP_LOG_EVENT_WAKE 14 219234370Sjasone#define SCTP_LOG_MISC_EVENT 15 220234370Sjasone#define SCTP_LOG_EVENT_CLOSE 16 221234370Sjasone#define SCTP_LOG_EVENT_MBUF 17 222234370Sjasone 223234370Sjasone#define SCTP_LOG_MAX_EVENT 18 224234370Sjasone 225234370Sjasone#define SCTP_LOCK_UNKNOWN 2 226234370Sjasone 227234370Sjasone 228234370Sjasone/* number of associations by default for zone allocation */ 229234370Sjasone#define SCTP_MAX_NUM_OF_ASOC 40000 230234370Sjasone/* how many addresses per assoc remote and local */ 231234370Sjasone#define SCTP_SCALE_FOR_ADDR 2 232234370Sjasone 233234370Sjasone/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 234234370Sjasone#if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF) 235234370Sjasone#define SCTP_DEFAULT_AUTO_ASCONF 0 236234370Sjasone#else 237234370Sjasone#define SCTP_DEFAULT_AUTO_ASCONF 1 238234370Sjasone#endif 239234370Sjasone 240234370Sjasone/* 241234370Sjasone * Theshold for rwnd updates, we have to read (sb_hiwat >> 242234370Sjasone * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 243234370Sjasone * window update sack. When we look, we compare the last rwnd we sent vs the 244234370Sjasone * current rwnd. It too must be greater than this value. Using 3 divdes the 245234370Sjasone * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 246234370Sjasone * to read 8k. This seems about right.. I hope :-D.. we do set a 247234370Sjasone * min of a MTU on it so if the rwnd is real small we will insist 248234370Sjasone * on a full MTU of 1500 bytes. 249234370Sjasone */ 250234370Sjasone#define SCTP_RWND_HIWAT_SHIFT 3 251234370Sjasone 252234370Sjasone/* How much of the rwnd must the 253234370Sjasone * message be taking up to start partial delivery. 254234370Sjasone * We calculate this by shifing the hi_water (recv_win) 255234370Sjasone * left the following .. set to 1, when a message holds 256234370Sjasone * 1/2 the rwnd. If we set it to 2 when a message holds 257234370Sjasone * 1/4 the rwnd...etc.. 258234370Sjasone */ 259234370Sjasone 260234370Sjasone#define SCTP_PARTIAL_DELIVERY_SHIFT 1 261234370Sjasone 262234370Sjasone/* Minimum number of bytes read by user before we 263234370Sjasone * condsider doing a rwnd update 264234370Sjasone */ 265234370Sjasone#define SCTP_MIN_READ_BEFORE_CONSIDERING 3000 266234370Sjasone 267234370Sjasone/* 268234370Sjasone * default HMAC for cookies, etc... use one of the AUTH HMAC id's 269234370Sjasone * SCTP_HMAC is the HMAC_ID to use 270234370Sjasone * SCTP_SIGNATURE_SIZE is the digest length 271234370Sjasone */ 272234370Sjasone#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 273234370Sjasone#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 274234370Sjasone#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 275234370Sjasone 276234370Sjasone/* DEFINE HERE WHAT CRC YOU WANT TO USE */ 277234370Sjasone#define SCTP_USECRC_RFC2960 1 278234370Sjasone/* #define SCTP_USECRC_FLETCHER 1 */ 279234370Sjasone/* #define SCTP_USECRC_SSHCRC32 1 */ 280234370Sjasone/* #define SCTP_USECRC_FASTCRC32 1 */ 281234370Sjasone/* #define SCTP_USECRC_CRC32 1 */ 282234370Sjasone/* #define SCTP_USECRC_TCP32 1 */ 283234370Sjasone/* #define SCTP_USECRC_CRC16SMAL 1 */ 284234370Sjasone/* #define SCTP_USECRC_CRC16 1 */ 285234370Sjasone/* #define SCTP_USECRC_MODADLER 1 */ 286234370Sjasone 287234370Sjasone#ifndef SCTP_ADLER32_BASE 288234370Sjasone#define SCTP_ADLER32_BASE 65521 289234370Sjasone#endif 290234370Sjasone 291234370Sjasone/* 292234370Sjasone * the SCTP protocol signature this includes the version number encoded in 293234370Sjasone * the last 4 bits of the signature. 294234370Sjasone */ 295234370Sjasone#define PROTO_SIGNATURE_A 0x30000000 296234370Sjasone#define SCTP_VERSION_NUMBER 0x3 297234370Sjasone 298234370Sjasone#define MAX_TSN 0xffffffff 299234370Sjasone#define MAX_SEQ 0xffff 300234370Sjasone 301234370Sjasone/* how many executions every N tick's */ 302234370Sjasone#define SCTP_ITERATOR_MAX_AT_ONCE 20 303234370Sjasone 304234370Sjasone/* number of clock ticks between iterator executions */ 305234370Sjasone#define SCTP_ITERATOR_TICKS 1 306234370Sjasone 307234370Sjasone/* 308234370Sjasone * option: If you comment out the following you will receive the old behavior 309234370Sjasone * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 310234370Sjasone * happens right away with-out waiting for the flightsize to drop below the 311234370Sjasone * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 312234370Sjasone */ 313234370Sjasone#define SCTP_IGNORE_CWND_ON_FR 1 314234370Sjasone 315234370Sjasone/* 316234370Sjasone * Adds implementors guide behavior to only use newest highest update in SACK 317234370Sjasone * gap ack's to figure out if you need to stroke a chunk for FR. 318234370Sjasone */ 319234370Sjasone#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 320234370Sjasone 321234370Sjasone/* default max I can burst out after a fast retransmit */ 322234370Sjasone#define SCTP_DEF_MAX_BURST 4 323234370Sjasone/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 324234370Sjasone#define SCTP_FIRST_MBUF_RESV 68 325234370Sjasone/* Packet transmit states in the sent field */ 326234370Sjasone#define SCTP_DATAGRAM_UNSENT 0 327234370Sjasone#define SCTP_DATAGRAM_SENT 1 328234370Sjasone#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 329234370Sjasone * hit this value) */ 330234370Sjasone#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 331234370Sjasone * hit this value) */ 332234370Sjasone#define SCTP_DATAGRAM_RESEND 4 333234370Sjasone#define SCTP_DATAGRAM_ACKED 10010 334234370Sjasone#define SCTP_DATAGRAM_INBOUND 10011 335234370Sjasone#define SCTP_READY_TO_TRANSMIT 10012 336234370Sjasone#define SCTP_DATAGRAM_MARKED 20010 337234370Sjasone#define SCTP_FORWARD_TSN_SKIP 30010 338242844Sjasone 339234370Sjasone/* chunk output send from locations */ 340242844Sjasone#define SCTP_OUTPUT_FROM_USR_SEND 0 341242844Sjasone#define SCTP_OUTPUT_FROM_T3 1 342242844Sjasone#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 343234370Sjasone#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 344234370Sjasone#define SCTP_OUTPUT_FROM_SACK_TMR 4 345234370Sjasone#define SCTP_OUTPUT_FROM_SHUT_TMR 5 346234370Sjasone#define SCTP_OUTPUT_FROM_HB_TMR 6 347234370Sjasone#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 348234370Sjasone#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 349234370Sjasone#define SCTP_OUTPUT_FROM_STRRST_TMR 9 350234370Sjasone#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 351234370Sjasone#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 352234370Sjasone#define SCTP_OUTPUT_FROM_STRRST_REQ 12 353234370Sjasone#define SCTP_OUTPUT_FROM_USR_RCVD 13 354234370Sjasone#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 355234370Sjasone#define SCTP_OUTPUT_FROM_DRAIN 15 356234370Sjasone/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 357234370Sjasone 358234370Sjasone/* align to 32-bit sizes */ 359234370Sjasone#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 360234370Sjasone 361234370Sjasone#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 362234370Sjasone#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 363234370Sjasone 364234370Sjasone 365234370Sjasone/* SCTP parameter types */ 366234370Sjasone/*************0x0000 series*************/ 367234370Sjasone#define SCTP_HEARTBEAT_INFO 0x0001 368234370Sjasone#define SCTP_IPV4_ADDRESS 0x0005 369234370Sjasone#define SCTP_IPV6_ADDRESS 0x0006 370234370Sjasone#define SCTP_STATE_COOKIE 0x0007 371234370Sjasone#define SCTP_UNRECOG_PARAM 0x0008 372234370Sjasone#define SCTP_COOKIE_PRESERVE 0x0009 373234370Sjasone#define SCTP_HOSTNAME_ADDRESS 0x000b 374234370Sjasone#define SCTP_SUPPORTED_ADDRTYPE 0x000c 375234370Sjasone 376242844Sjasone/* draft-ietf-stewart-strreset-xxx */ 377234370Sjasone#define SCTP_STR_RESET_OUT_REQUEST 0x000d 378242844Sjasone#define SCTP_STR_RESET_IN_REQUEST 0x000e 379234370Sjasone#define SCTP_STR_RESET_TSN_REQUEST 0x000f 380234370Sjasone#define SCTP_STR_RESET_RESPONSE 0x0010 381234370Sjasone 382234370Sjasone#define SCTP_MAX_RESET_PARAMS 2 383234370Sjasone#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 384234370Sjasone 385234370Sjasone/*************0x4000 series*************/ 386234370Sjasone 387234370Sjasone/*************0x8000 series*************/ 388234370Sjasone#define SCTP_ECN_CAPABLE 0x8000 389234370Sjasone/* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 390234370Sjasone#define SCTP_ECN_NONCE_SUPPORTED 0x8001 391234370Sjasone/* draft-ietf-tsvwg-auth-xxx */ 392234370Sjasone#define SCTP_RANDOM 0x8002 393234370Sjasone#define SCTP_CHUNK_LIST 0x8003 394234370Sjasone#define SCTP_HMAC_LIST 0x8004 395234370Sjasone/* 396234370Sjasone * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 397234370Sjasone * | Byte Byte | Byte ... 398234370Sjasone * 399234370Sjasone * Where each byte is a chunk type extension supported. For example, to support 400234370Sjasone * all chunks one would have (in hex): 401234370Sjasone * 402234370Sjasone * 80 01 00 09 C0 C1 80 81 82 00 00 00 403234370Sjasone * 404234370Sjasone * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 405234370Sjasone * = Packet Drop 82 = Stream Reset 83 = Authentication 406234370Sjasone */ 407234370Sjasone#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 408234370Sjasone 409234370Sjasone/*************0xC000 series*************/ 410234370Sjasone#define SCTP_PRSCTP_SUPPORTED 0xc000 411234370Sjasone/* draft-ietf-tsvwg-addip-sctp */ 412235238Sjasone#define SCTP_ADD_IP_ADDRESS 0xc001 413235238Sjasone#define SCTP_DEL_IP_ADDRESS 0xc002 414234370Sjasone#define SCTP_ERROR_CAUSE_IND 0xc003 415235238Sjasone#define SCTP_SET_PRIM_ADDR 0xc004 416235238Sjasone#define SCTP_SUCCESS_REPORT 0xc005 417235238Sjasone#define SCTP_ULP_ADAPTATION 0xc006 418235238Sjasone 419235238Sjasone/* Notification error codes */ 420234370Sjasone#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 421234370Sjasone#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 422234370Sjasone#define SCTP_FAILED_THRESHOLD 0x0004 423242844Sjasone#define SCTP_HEARTBEAT_SUCCESS 0x0008 424242844Sjasone#define SCTP_RESPONSE_TO_USER_REQ 0x000f 425242844Sjasone#define SCTP_INTERNAL_ERROR 0x0010 426242844Sjasone#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0020 427242844Sjasone#define SCTP_RECEIVED_SACK 0x0040 428242844Sjasone#define SCTP_PEER_FAULTY 0x0080 429242844Sjasone 430242844Sjasone/* bits for TOS field */ 431234370Sjasone#define SCTP_ECT0_BIT 0x02 432234370Sjasone#define SCTP_ECT1_BIT 0x01 433234370Sjasone#define SCTP_CE_BITS 0x03 434234370Sjasone 435234370Sjasone/* below turns off above */ 436234370Sjasone#define SCTP_FLEXIBLE_ADDRESS 0x20 437234370Sjasone#define SCTP_NO_HEARTBEAT 0x40 438234370Sjasone 439234370Sjasone/* mask to get sticky */ 440234370Sjasone#define SCTP_STICKY_OPTIONS_MASK 0x0c 441234370Sjasone 442235238Sjasone 443235238Sjasone/* 444235238Sjasone * SCTP states for internal state machine XXX (should match "user" values) 445235238Sjasone */ 446235238Sjasone#define SCTP_STATE_EMPTY 0x0000 447235238Sjasone#define SCTP_STATE_INUSE 0x0001 448235238Sjasone#define SCTP_STATE_COOKIE_WAIT 0x0002 449235238Sjasone#define SCTP_STATE_COOKIE_ECHOED 0x0004 450235238Sjasone#define SCTP_STATE_OPEN 0x0008 451235238Sjasone#define SCTP_STATE_SHUTDOWN_SENT 0x0010 452235238Sjasone#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 453235238Sjasone#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 454235238Sjasone#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 455235238Sjasone#define SCTP_STATE_CLOSED_SOCKET 0x0100 456235238Sjasone#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 457235238Sjasone#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 458235238Sjasone#define SCTP_STATE_MASK 0x007f 459235238Sjasone 460235238Sjasone#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 461235238Sjasone 462235238Sjasone/* SCTP reachability state for each address */ 463235238Sjasone#define SCTP_ADDR_REACHABLE 0x001 464235238Sjasone#define SCTP_ADDR_NOT_REACHABLE 0x002 465235238Sjasone#define SCTP_ADDR_NOHB 0x004 466251300Sjasone#define SCTP_ADDR_BEING_DELETED 0x008 467251300Sjasone#define SCTP_ADDR_NOT_IN_ASSOC 0x010 468251300Sjasone#define SCTP_ADDR_WAS_PRIMARY 0x020 469235238Sjasone#define SCTP_ADDR_SWITCH_PRIMARY 0x040 470234370Sjasone#define SCTP_ADDR_OUT_OF_SCOPE 0x080 471234370Sjasone#define SCTP_ADDR_DOUBLE_SWITCH 0x100 472234370Sjasone#define SCTP_ADDR_UNCONFIRMED 0x200 473234370Sjasone#define SCTP_ADDR_REQ_PRIMARY 0x400 474234370Sjasone#define SCTP_REACHABLE_MASK 0x203 475234370Sjasone 476234543Sjasone/* bound address types (e.g. valid address types to allow) */ 477234370Sjasone#define SCTP_BOUND_V6 0x01 478234370Sjasone#define SCTP_BOUND_V4 0x02 479234370Sjasone 480234370Sjasone/* 481234370Sjasone * what is the default number of mbufs in a chain I allow before switching to 482235238Sjasone * a cluster 483245868Sjasone */ 484235238Sjasone#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 485235238Sjasone 486235238Sjasone/* How long a cookie lives in seconds */ 487235238Sjasone#define SCTP_DEFAULT_COOKIE_LIFE 60 488235238Sjasone 489235238Sjasone/* resource limit of streams */ 490235238Sjasone#define MAX_SCTP_STREAMS 2048 491235238Sjasone 492235238Sjasone/* Maximum the mapping array will grow to (TSN mapping array) */ 493245868Sjasone#define SCTP_MAPPING_ARRAY 512 494235238Sjasone 495235238Sjasone/* size of the inital malloc on the mapping array */ 496235238Sjasone#define SCTP_INITIAL_MAPPING_ARRAY 16 497235238Sjasone/* how much we grow the mapping array each call */ 498235238Sjasone#define SCTP_MAPPING_ARRAY_INCR 32 499235238Sjasone 500245868Sjasone/* 501235238Sjasone * Here we define the timer types used by the implementation as arguments in 502235238Sjasone * the set/get timer type calls. 503235238Sjasone */ 504235238Sjasone#define SCTP_TIMER_INIT 0 505235238Sjasone#define SCTP_TIMER_RECV 1 506235238Sjasone#define SCTP_TIMER_SEND 2 507245868Sjasone#define SCTP_TIMER_HEARTBEAT 3 508235238Sjasone#define SCTP_TIMER_PMTU 4 509235238Sjasone#define SCTP_TIMER_MAXSHUTDOWN 5 510235238Sjasone#define SCTP_TIMER_SIGNATURE 6 511235238Sjasone/* 512235238Sjasone * number of timer types in the base SCTP structure used in the set/get and 513235238Sjasone * has the base default. 514235238Sjasone */ 515235238Sjasone#define SCTP_NUM_TMRS 7 516235238Sjasone 517245868Sjasone/* timer types */ 518235238Sjasone#define SCTP_TIMER_TYPE_NONE 0 519235238Sjasone#define SCTP_TIMER_TYPE_SEND 1 520235238Sjasone#define SCTP_TIMER_TYPE_INIT 2 521235238Sjasone#define SCTP_TIMER_TYPE_RECV 3 522235238Sjasone#define SCTP_TIMER_TYPE_SHUTDOWN 4 523235238Sjasone#define SCTP_TIMER_TYPE_HEARTBEAT 5 524235238Sjasone#define SCTP_TIMER_TYPE_COOKIE 6 525235238Sjasone#define SCTP_TIMER_TYPE_NEWCOOKIE 7 526235238Sjasone#define SCTP_TIMER_TYPE_PATHMTURAISE 8 527235238Sjasone#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 528245868Sjasone#define SCTP_TIMER_TYPE_ASCONF 10 529235238Sjasone#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 530235238Sjasone#define SCTP_TIMER_TYPE_AUTOCLOSE 12 531235238Sjasone#define SCTP_TIMER_TYPE_EVENTWAKE 13 532235238Sjasone#define SCTP_TIMER_TYPE_STRRESET 14 533235238Sjasone#define SCTP_TIMER_TYPE_INPKILL 15 534235238Sjasone#define SCTP_TIMER_TYPE_ITERATOR 16 535235238Sjasone#define SCTP_TIMER_TYPE_EARLYFR 17 536235238Sjasone#define SCTP_TIMER_TYPE_ASOCKILL 18 537235238Sjasone#define SCTP_TIMER_TYPE_ADDR_WQ 19 538235238Sjasone/* add new timers here - and increment LAST */ 539245868Sjasone#define SCTP_TIMER_TYPE_LAST 20 540235238Sjasone 541235238Sjasone#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 542235238Sjasone ((t) < SCTP_TIMER_TYPE_LAST)) 543235238Sjasone 544235238Sjasone 545235238Sjasone 546235238Sjasone/* 547235238Sjasone * Number of ticks before the soxwakeup() event that is delayed is sent AFTER 548235238Sjasone * the accept() call 549235238Sjasone */ 550235238Sjasone#define SCTP_EVENTWAKEUP_WAIT_TICKS 3000 551245868Sjasone 552235238Sjasone/* 553235238Sjasone * Of course we really don't collect stale cookies, being folks of decerning 554235238Sjasone * taste. However we do count them, if we get too many before the association 555235238Sjasone * comes up.. we give up. Below is the constant that dictates when we give it 556235238Sjasone * up...this is a implemenation dependent treatment. In ours we do not ask 557235238Sjasone * for a extension of time, but just retry this many times... 558235238Sjasone */ 559235238Sjasone#define SCTP_MAX_STALE_COOKIES_I_COLLECT 10 560245868Sjasone 561235238Sjasone/* max number of TSN's dup'd that I will hold */ 562235238Sjasone#define SCTP_MAX_DUP_TSNS 20 563235238Sjasone 564235238Sjasone/* 565235238Sjasone * Here we define the types used when setting the retry amounts. 566235238Sjasone */ 567235238Sjasone/* constants for type of set */ 568235238Sjasone#define SCTP_MAXATTEMPT_INIT 2 569245868Sjasone#define SCTP_MAXATTEMPT_SEND 3 570235238Sjasone 571235238Sjasone/* Maximum TSN's we will summarize in a drop report */ 572235238Sjasone#define SCTP_MAX_DROP_REPORT 16 573235238Sjasone 574235238Sjasone/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 575235238Sjasone#define SCTP_RETRY_DROPPED_THRESH 4 576235238Sjasone 577235238Sjasone/* 578245868Sjasone * And the max we will keep a history of in the tcb which MUST be lower than 579235238Sjasone * 256. 580235238Sjasone */ 581235238Sjasone#define SCTP_MAX_DROP_SAVE_REPORT 16 582235238Sjasone 583235238Sjasone/* 584235238Sjasone * Here we define the default timers and the default number of attemts we 585235238Sjasone * make for each respective side (send/init). 586235238Sjasone */ 587245868Sjasone 588235238Sjasone/* 589235238Sjasone * Maxmium number of chunks a single association can have on it. Note that 590235238Sjasone * this is a squishy number since the count can run over this if the user 591235238Sjasone * sends a large message down .. the fragmented chunks don't count until 592235238Sjasone * AFTER the message is on queue.. it would be the next send that blocks 593235238Sjasone * things. This number will get tuned up at boot in the sctp_init and use the 594235238Sjasone * number of clusters as a base. This way high bandwidth environments will 595235238Sjasone * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 596235322Sjasone */ 597235238Sjasone#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 598235238Sjasone 599235238Sjasone/* The conversion from time to ticks and vice versa is done by rounding 600245868Sjasone * upwards. This way we can test in the code the time to be positive and 601235238Sjasone * know that this corresponds to a positive number of ticks. 602235238Sjasone */ 603235238Sjasone#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 604235238Sjasone#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 605235238Sjasone 606235238Sjasone#define SEC_TO_TICKS(x) ((x) * hz) 607235238Sjasone#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 608235238Sjasone 609235238Sjasone/* 610235238Sjasone * Basically the minimum amount of time before I do a early FR. Making this 611235238Sjasone * value to low will cause duplicate retransmissions. 612245868Sjasone */ 613235238Sjasone#define SCTP_MINFR_MSEC_TIMER 250 614235238Sjasone/* The floor this value is allowed to fall to when starting a timer. */ 615235238Sjasone#define SCTP_MINFR_MSEC_FLOOR 20 616235238Sjasone 617235322Sjasone/* init timer def = 1 sec */ 618235238Sjasone#define SCTP_INIT_SEC 1 619235238Sjasone 620235238Sjasone/* send timer def = 1 seconds */ 621235322Sjasone#define SCTP_SEND_SEC 1 622235322Sjasone 623235322Sjasone/* recv timer def = 200ms */ 624235322Sjasone#define SCTP_RECV_MSEC 200 625235238Sjasone 626235238Sjasone/* 30 seconds + RTO (in ms) */ 627245868Sjasone#define SCTP_HB_DEFAULT_MSEC 30000 628235238Sjasone 629235238Sjasone/* Max time I will wait for Shutdown to complete */ 630235238Sjasone#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 631235238Sjasone 632235238Sjasone 633235238Sjasone/* 634235238Sjasone * This is how long a secret lives, NOT how long a cookie lives how many 635235238Sjasone * ticks the current secret will live. 636235238Sjasone */ 637235238Sjasone#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 638235238Sjasone 639235238Sjasone#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 640245868Sjasone#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 641235238Sjasone#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 642235238Sjasone#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 643235238Sjasone 644235238Sjasone 645235322Sjasone#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 646235238Sjasone#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 647235238Sjasone 648235238Sjasone#define SCTP_DEF_MAX_INIT 8 649235238Sjasone#define SCTP_DEF_MAX_SEND 10 650235322Sjasone#define SCTP_DEF_MAX_PATH_RTX 4 651235322Sjasone 652235238Sjasone#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 653235322Sjasone#define SCTP_DEF_PMTU_MIN 600 654235238Sjasone 655235238Sjasone#define SCTP_MSEC_IN_A_SEC 1000 656245868Sjasone#define SCTP_USEC_IN_A_SEC 1000000 657235238Sjasone#define SCTP_NSEC_IN_A_SEC 1000000000 658235238Sjasone 659235238Sjasone#define SCTP_MAX_OUTSTANDING_DG 10000 660235238Sjasone 661235238Sjasone/* How many streams I request initally by default */ 662235238Sjasone#define SCTP_OSTREAM_INITIAL 10 663235238Sjasone 664235238Sjasone/* 665235238Sjasone * How many smallest_mtu's need to increase before a window update sack is 666251300Sjasone * sent (should be a power of 2). 667245868Sjasone */ 668245868Sjasone#define SCTP_SEG_TO_RWND_UPD 32 669245868Sjasone/* Send window update (incr * this > hiwat). Should be a power of 2 */ 670245868Sjasone#define SCTP_SCALE_OF_RWND_TO_UPD 4 671245868Sjasone#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 672245868Sjasone 673245868Sjasone#define SCTP_ADDRMAX 20 674245868Sjasone 675245868Sjasone/* SCTP DEBUG Switch parameters */ 676251300Sjasone#define SCTP_DEBUG_TIMER1 0x00000001 677245868Sjasone#define SCTP_DEBUG_TIMER2 0x00000002 678251300Sjasone#define SCTP_DEBUG_TIMER3 0x00000004 679245868Sjasone#define SCTP_DEBUG_TIMER4 0x00000008 680245868Sjasone#define SCTP_DEBUG_OUTPUT1 0x00000010 681251300Sjasone#define SCTP_DEBUG_OUTPUT2 0x00000020 682245868Sjasone#define SCTP_DEBUG_OUTPUT3 0x00000040 683245868Sjasone#define SCTP_DEBUG_OUTPUT4 0x00000080 684245868Sjasone#define SCTP_DEBUG_UTIL1 0x00000100 685245868Sjasone#define SCTP_DEBUG_UTIL2 0x00000200 686245868Sjasone#define SCTP_DEBUG_AUTH1 0x00000400 687245868Sjasone#define SCTP_DEBUG_AUTH2 0x00000800 688251300Sjasone#define SCTP_DEBUG_INPUT1 0x00001000 689251300Sjasone#define SCTP_DEBUG_INPUT2 0x00002000 690245868Sjasone#define SCTP_DEBUG_INPUT3 0x00004000 691245868Sjasone#define SCTP_DEBUG_INPUT4 0x00008000 692251300Sjasone#define SCTP_DEBUG_ASCONF1 0x00010000 693245868Sjasone#define SCTP_DEBUG_ASCONF2 0x00020000 694245868Sjasone#define SCTP_DEBUG_OUTPUT5 0x00040000 695245868Sjasone#define SCTP_DEBUG_XXX 0x00080000 696245868Sjasone#define SCTP_DEBUG_PCB1 0x00100000 697245868Sjasone#define SCTP_DEBUG_PCB2 0x00200000 698245868Sjasone#define SCTP_DEBUG_PCB3 0x00400000 699251300Sjasone#define SCTP_DEBUG_PCB4 0x00800000 700251300Sjasone#define SCTP_DEBUG_INDATA1 0x01000000 701251300Sjasone#define SCTP_DEBUG_INDATA2 0x02000000 702251300Sjasone#define SCTP_DEBUG_INDATA3 0x04000000 703251300Sjasone#define SCTP_DEBUG_INDATA4 0x08000000 704251300Sjasone#define SCTP_DEBUG_USRREQ1 0x10000000 705251300Sjasone#define SCTP_DEBUG_USRREQ2 0x20000000 706251300Sjasone#define SCTP_DEBUG_PEEL1 0x40000000 707251300Sjasone#define SCTP_DEBUG_XXXXX 0x80000000 708251300Sjasone#define SCTP_DEBUG_ALL 0x7ff3ffff 709245868Sjasone#define SCTP_DEBUG_NOISY 0x00040000 710245868Sjasone 711245868Sjasone/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 712235238Sjasone#define SCTP_SWS_SENDER_DEF 1420 713235238Sjasone 714235238Sjasone/* 715235238Sjasone * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 716235238Sjasone * would be hiwat/2 etc. 717235238Sjasone */ 718235238Sjasone/* What receiver needs to see in sockbuf or we tell peer its 1 */ 719235238Sjasone#define SCTP_SWS_RECEIVER_DEF 3000 720235238Sjasone 721235238Sjasone#define SCTP_INITIAL_CWND 4380 722235238Sjasone 723235238Sjasone/* amount peer is obligated to have in rwnd or I will abort */ 724235238Sjasone#define SCTP_MIN_RWND 1500 725235238Sjasone 726235238Sjasone#define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */ 727235238Sjasone#define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to My playing 728235238Sjasone * around suggests a value greater than 64k 729235238Sjasone * does not do much, I guess via the kernel 730235238Sjasone * limitations on the stream/socket. */ 731235238Sjasone 732235238Sjasone/* I can handle a 1meg re-assembly */ 733235238Sjasone#define SCTP_DEFAULT_MAXMSGREASM 1048576 734235238Sjasone 735235238Sjasone#define SCTP_DEFAULT_MAXSEGMENT 65535 736235238Sjasone 737235238Sjasone#define SCTP_CHUNK_BUFFER_SIZE 2048 738235238Sjasone#define SCTP_PARAM_BUFFER_SIZE 512 739235238Sjasone 740235238Sjasone#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 741235238Sjasone#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 742235238Sjasone 743235238Sjasone#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 744235238Sjasone#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 745235238Sjasone 746235238Sjasone 747235238Sjasone/* 748235238Sjasone * SCTP upper layer notifications 749235238Sjasone */ 750235238Sjasone#define SCTP_NOTIFY_ASSOC_UP 1 751235238Sjasone#define SCTP_NOTIFY_ASSOC_DOWN 2 752235238Sjasone#define SCTP_NOTIFY_INTERFACE_DOWN 3 753235238Sjasone#define SCTP_NOTIFY_INTERFACE_UP 4 754234370Sjasone#define SCTP_NOTIFY_DG_FAIL 5 755234370Sjasone#define SCTP_NOTIFY_STRDATA_ERR 6 756234370Sjasone#define SCTP_NOTIFY_ASSOC_ABORTED 7 757234370Sjasone#define SCTP_NOTIFY_PEER_OPENED_STREAM 8 758234370Sjasone#define SCTP_NOTIFY_STREAM_OPENED_OK 9 759234370Sjasone#define SCTP_NOTIFY_ASSOC_RESTART 10 760234370Sjasone#define SCTP_NOTIFY_HB_RESP 11 761234370Sjasone#define SCTP_NOTIFY_ASCONF_SUCCESS 12 762234370Sjasone#define SCTP_NOTIFY_ASCONF_FAILED 13 763234370Sjasone#define SCTP_NOTIFY_PEER_SHUTDOWN 14 764234370Sjasone#define SCTP_NOTIFY_ASCONF_ADD_IP 15 765234370Sjasone#define SCTP_NOTIFY_ASCONF_DELETE_IP 16 766234370Sjasone#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 767234370Sjasone#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 768234370Sjasone#define SCTP_NOTIFY_ADAPTATION_INDICATION 19 769234370Sjasone/* same as above */ 770234370Sjasone#define SCTP_NOTIFY_ADAPTION_INDICATION 19 771234370Sjasone#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 772234370Sjasone#define SCTP_NOTIFY_STR_RESET_RECV 21 773234370Sjasone#define SCTP_NOTIFY_STR_RESET_SEND 22 774234370Sjasone#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 775234370Sjasone#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 776234370Sjasone#define SCTP_NOTIFY_AUTH_NEW_KEY 25 777234370Sjasone#define SCTP_NOTIFY_AUTH_KEY_CONFLICT 26 778234370Sjasone#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 779234370Sjasone#define SCTP_NOTIFY_MAX 27 780234370Sjasone 781234370Sjasone/* This is the value for messages that are NOT completely 782234370Sjasone * copied down where we will start to split the message. 783234370Sjasone * So, with our default, we split only if the piece we 784234370Sjasone * want to take will fill up a full MTU (assuming 785234370Sjasone * a 1500 byte MTU). 786234370Sjasone */ 787234370Sjasone#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 788234370Sjasone 789234370Sjasone/* ABORT CODES and other tell-tale location 790234370Sjasone * codes are generated by adding the below 791234370Sjasone * to the instance id. 792234370Sjasone */ 793234370Sjasone 794234370Sjasone/* File defines */ 795234370Sjasone#define SCTP_FROM_SCTP_INPUT 0x10000000 796234370Sjasone#define SCTP_FROM_SCTP_PCB 0x20000000 797234370Sjasone#define SCTP_FROM_SCTP_INDATA 0x30000000 798234370Sjasone#define SCTP_FROM_SCTP_TIMER 0x40000000 799234370Sjasone#define SCTP_FROM_SCTP_USRREQ 0x50000000 800234370Sjasone#define SCTP_FROM_SCTPUTIL 0x60000000 801234370Sjasone#define SCTP_FROM_SCTP6_USRREQ 0x70000000 802234370Sjasone#define SCTP_FROM_SCTP_ASCONF 0x80000000 803234370Sjasone#define SCTP_FROM_SCTP_OUTPUT 0x90000000 804234370Sjasone#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 805234370Sjasone 806234370Sjasone/* Location ID's */ 807234370Sjasone#define SCTP_LOC_1 0x00000001 808234370Sjasone#define SCTP_LOC_2 0x00000002 809234370Sjasone#define SCTP_LOC_3 0x00000003 810234370Sjasone#define SCTP_LOC_4 0x00000004 811234370Sjasone#define SCTP_LOC_5 0x00000005 812234370Sjasone#define SCTP_LOC_6 0x00000006 813234370Sjasone#define SCTP_LOC_7 0x00000007 814234370Sjasone#define SCTP_LOC_8 0x00000008 815234370Sjasone#define SCTP_LOC_9 0x00000009 816234370Sjasone#define SCTP_LOC_10 0x0000000a 817234370Sjasone#define SCTP_LOC_11 0x0000000b 818234370Sjasone#define SCTP_LOC_12 0x0000000c 819234370Sjasone#define SCTP_LOC_13 0x0000000d 820234370Sjasone#define SCTP_LOC_14 0x0000000e 821234370Sjasone#define SCTP_LOC_15 0x0000000f 822234370Sjasone#define SCTP_LOC_16 0x00000010 823234370Sjasone#define SCTP_LOC_17 0x00000011 824234370Sjasone#define SCTP_LOC_18 0x00000012 825234370Sjasone#define SCTP_LOC_19 0x00000013 826234370Sjasone#define SCTP_LOC_20 0x00000014 827234370Sjasone#define SCTP_LOC_21 0x00000015 828234370Sjasone#define SCTP_LOC_22 0x00000016 829234370Sjasone#define SCTP_LOC_23 0x00000017 830234370Sjasone#define SCTP_LOC_24 0x00000018 831234370Sjasone#define SCTP_LOC_25 0x00000019 832234370Sjasone#define SCTP_LOC_26 0x0000001a 833234370Sjasone#define SCTP_LOC_27 0x0000001b 834234370Sjasone#define SCTP_LOC_28 0x0000001c 835234370Sjasone#define SCTP_LOC_29 0x0000001d 836234370Sjasone#define SCTP_LOC_30 0x0000001e 837234370Sjasone#define SCTP_LOC_31 0x0000001f 838234370Sjasone#define SCTP_LOC_32 0x00000020 839234370Sjasone 840234370Sjasone 841234370Sjasone/* Free assoc codes */ 842234370Sjasone#define SCTP_NORMAL_PROC 0 843234370Sjasone#define SCTP_PCBFREE_NOFORCE 1 844234370Sjasone#define SCTP_PCBFREE_FORCE 2 845234370Sjasone 846235238Sjasone/* From codes for adding addresses */ 847234370Sjasone#define SCTP_ADDR_IS_CONFIRMED 8 848234370Sjasone#define SCTP_ADDR_DYNAMIC_ADDED 6 849234370Sjasone#define SCTP_IN_COOKIE_PROC 100 850234370Sjasone#define SCTP_ALLOC_ASOC 1 851234370Sjasone#define SCTP_LOAD_ADDR_2 2 852234370Sjasone#define SCTP_LOAD_ADDR_3 3 853234370Sjasone#define SCTP_LOAD_ADDR_4 4 854234370Sjasone#define SCTP_LOAD_ADDR_5 5 855235238Sjasone 856235238Sjasone#define SCTP_DONOT_SETSCOPE 0 857234370Sjasone#define SCTP_DO_SETSCOPE 1 858234370Sjasone 859234370Sjasone 860234370Sjasone/* This value determines the default for when 861234370Sjasone * we try to add more on the send queue., if 862234370Sjasone * there is room. This prevents us from cycling 863234370Sjasone * into the copy_resume routine to often if 864234370Sjasone * we have not got enough space to add a decent 865234370Sjasone * enough size message. Note that if we have enough 866235238Sjasone * space to complete the message copy we will always 867234370Sjasone * add to the message, no matter what the size. Its 868234370Sjasone * only when we reach the point that we have some left 869234370Sjasone * to add, there is only room for part of it that we 870234370Sjasone * will use this threshold. Its also a sysctl. 871234370Sjasone */ 872234370Sjasone#define SCTP_DEFAULT_ADD_MORE 1452 873234370Sjasone 874234370Sjasone#ifndef SCTP_PCBHASHSIZE 875234370Sjasone/* default number of association hash buckets in each endpoint */ 876234370Sjasone#define SCTP_PCBHASHSIZE 256 877234370Sjasone#endif 878234370Sjasone#ifndef SCTP_TCBHASHSIZE 879234370Sjasone#define SCTP_TCBHASHSIZE 1024 880234370Sjasone#endif 881234370Sjasone 882234370Sjasone#ifndef SCTP_CHUNKQUEUE_SCALE 883235238Sjasone#define SCTP_CHUNKQUEUE_SCALE 10 884234370Sjasone#endif 885234370Sjasone 886234370Sjasone/* clock variance is 1 ms */ 887234370Sjasone#define SCTP_CLOCK_GRANULARITY 1 888234370Sjasone#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 889234370Sjasone * detracts a small amount for ipv4 but it 890234370Sjasone * simplifies the ipv6 addition */ 891234370Sjasone 892234370Sjasone#ifndef IPPROTO_SCTP 893234370Sjasone#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 894235238Sjasone#endif /* !IPPROTO_SCTP */ 895234370Sjasone 896234370Sjasone#define SCTP_MAX_DATA_BUNDLING 256 897234370Sjasone#define SCTP_MAX_CONTROL_BUNDLING 20 898234370Sjasone 899234370Sjasone/* modular comparison */ 900234370Sjasone/* True if a > b (mod = M) */ 901234370Sjasone#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 902234370Sjasone ((b > a) && ((b - a) > ((M >> 1) + 1)))) 903235238Sjasone 904234370Sjasone 905234370Sjasone/* Mapping array manipulation routines */ 906245868Sjasone#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 907234370Sjasone#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 908234370Sjasone#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 909234370Sjasone 910234370Sjasone 911234370Sjasone#define SCTP_RETRAN_DONE -1 912234370Sjasone#define SCTP_RETRAN_EXIT -2 913234370Sjasone 914234370Sjasone/* 915234370Sjasone * This value defines the number of vtag block time wait entry's per list 916234370Sjasone * element. Each entry will take 2 4 byte ints (and of course the overhead 917234370Sjasone * of the next pointer as well). Using 15 as an example will yield * ((8 * 918234370Sjasone * 15) + 8) or 128 bytes of overhead for each timewait block that gets 919234370Sjasone * initialized. Increasing it to 31 would yeild 256 bytes per block. 920234370Sjasone */ 921234370Sjasone#define SCTP_NUMBER_IN_VTAG_BLOCK 15 922234370Sjasone/* 923234370Sjasone * If we use the STACK option, we have an array of this size head pointers. 924234370Sjasone * This array is mod'd the with the size to find which bucket and then all 925234370Sjasone * entries must be searched to see if the tag is in timed wait. If so we 926234370Sjasone * reject it. 927234370Sjasone */ 928234370Sjasone#define SCTP_STACK_VTAG_HASH_SIZE 31 929234370Sjasone 930234370Sjasone/* 931234370Sjasone * If we use the per-endpoint model than we do not have a hash table of 932234370Sjasone * entries but instead have a single head pointer and we must crawl through 933234370Sjasone * the entire list. 934234370Sjasone */ 935234370Sjasone 936234543Sjasone/* 937245868Sjasone * Number of seconds of time wait, tied to MSL value (2 minutes), so 2 * MSL 938234543Sjasone * = 4 minutes or 480 seconds. 939234543Sjasone */ 940234543Sjasone#define SCTP_TIME_WAIT 480 941234543Sjasone 942235238Sjasone/* This time wait is the same as the default cookie life 943234543Sjasone * since we now enter a tag in every time we send a cookie. 944234543Sjasone * We want this shorter to avoid vtag depletion. 945234543Sjasone */ 946234543Sjasone#define SCTP_TIME_WAIT_SHORT 60 947234543Sjasone 948234543Sjasone/* The system retains a cache of free chunks such to 949235238Sjasone * cut down on calls the memory allocation system. There 950235238Sjasone * is a per association limit of free items and a overall 951235238Sjasone * system limit. If either one gets hit then the resource 952235238Sjasone * stops being cached. 953235238Sjasone */ 954235238Sjasone 955235238Sjasone#define SCTP_DEF_ASOC_RESC_LIMIT 10 956235238Sjasone#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 957235238Sjasone 958235238Sjasone 959234543Sjasone#define IN4_ISPRIVATE_ADDRESS(a) \ 960235238Sjasone ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 961234543Sjasone ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 962235238Sjasone (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 963235238Sjasone (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 964235238Sjasone ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 965235238Sjasone (((uint8_t *)&(a)->s_addr)[1] == 168))) 966235238Sjasone 967235238Sjasone#define IN4_ISLOOPBACK_ADDRESS(a) \ 968235238Sjasone ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 969235238Sjasone (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 970235238Sjasone (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 971235238Sjasone (((uint8_t *)&(a)->s_addr)[3] == 1)) 972235238Sjasone 973235238Sjasone 974235238Sjasone#if defined(_KERNEL) 975235238Sjasone 976235238Sjasone#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 977235238Sjasone#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 978234543Sjasone/*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 979234543Sjasone/*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 980234543Sjasone/* (x)->tv_sec = ticks / 1000; \*/ 981234543Sjasone/* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 982234543Sjasone/*}*/ 983245868Sjasone 984234370Sjasone/*#else*/ 985234370Sjasone/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 986235238Sjasone/*#endif __FreeBSD__ */ 987234370Sjasone 988234370Sjasone#define sctp_sowwakeup(inp, so) \ 989234370Sjasonedo { \ 990234370Sjasone if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 991234370Sjasone inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 992234370Sjasone } else { \ 993234370Sjasone sowwakeup(so); \ 994234370Sjasone } \ 995235238Sjasone} while (0) 996235238Sjasone 997235238Sjasone#define sctp_sowwakeup_locked(inp, so) \ 998234370Sjasonedo { \ 999235238Sjasone if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1000235238Sjasone SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1001234370Sjasone inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1002235238Sjasone } else { \ 1003235238Sjasone sowwakeup_locked(so); \ 1004235238Sjasone } \ 1005235238Sjasone} while (0) 1006234370Sjasone 1007235238Sjasone#define sctp_sorwakeup(inp, so) \ 1008234370Sjasonedo { \ 1009234370Sjasone if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1010234370Sjasone inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1011234370Sjasone } else { \ 1012234370Sjasone sorwakeup(so); \ 1013234370Sjasone } \ 1014235238Sjasone} while (0) 1015234370Sjasone 1016234370Sjasone#define sctp_sorwakeup_locked(inp, so) \ 1017234370Sjasonedo { \ 1018235238Sjasone if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1019234370Sjasone inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1020234370Sjasone SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1021234370Sjasone } else { \ 1022234370Sjasone sorwakeup_locked(so); \ 1023 } \ 1024} while (0) 1025 1026#endif /* _KERNEL */ 1027#endif 1028