1163953Srrs/*- 2185694Srrs * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3235828Stuexen * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4235828Stuexen * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5163953Srrs * 6163953Srrs * Redistribution and use in source and binary forms, with or without 7163953Srrs * modification, are permitted provided that the following conditions are met: 8163953Srrs * 9163953Srrs * a) Redistributions of source code must retain the above copyright notice, 10228653Stuexen * this list of conditions and the following disclaimer. 11163953Srrs * 12163953Srrs * b) Redistributions in binary form must reproduce the above copyright 13163953Srrs * notice, this list of conditions and the following disclaimer in 14228653Stuexen * the documentation and/or other materials provided with the distribution. 15163953Srrs * 16163953Srrs * c) Neither the name of Cisco Systems, Inc. nor the names of its 17163953Srrs * contributors may be used to endorse or promote products derived 18163953Srrs * from this software without specific prior written permission. 19163953Srrs * 20163953Srrs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21163953Srrs * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22163953Srrs * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23163953Srrs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24163953Srrs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25163953Srrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26163953Srrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27163953Srrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28163953Srrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29163953Srrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30163953Srrs * THE POSSIBILITY OF SUCH DAMAGE. 31163953Srrs */ 32163953Srrs 33163953Srrs#include <sys/cdefs.h> 34163953Srrs__FBSDID("$FreeBSD: stable/11/sys/netinet/sctp_constants.h 360767 2020-05-07 03:27:10Z tuexen $"); 35163953Srrs 36235828Stuexen#ifndef _NETINET_SCTP_CONSTANTS_H_ 37235828Stuexen#define _NETINET_SCTP_CONSTANTS_H_ 38163953Srrs 39263921Stuexen 40179157Srrs/* IANA assigned port number for SCTP over UDP encapsulation */ 41263921Stuexen#define SCTP_OVER_UDP_TUNNELING_PORT 9899 42263921Stuexen 43167598Srrs/* Number of packets to get before sack sent by default */ 44167598Srrs#define SCTP_DEFAULT_SACK_FREQ 2 45163953Srrs 46167598Srrs/* Address limit - This variable is calculated 47168299Srrs * based on an 65535 byte max ip packet. We take out 100 bytes 48167598Srrs * for the cookie, 40 bytes for a v6 header and 32 49167598Srrs * bytes for the init structure. A second init structure 50167598Srrs * for the init-ack and then finally a third one for the 51167598Srrs * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 52168299Srrs * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 53168299Srrs * Now whatever we send in the INIT() we need to allow to get back in the 54167598Srrs * INIT-ACK plus all the values from INIT and INIT-ACK 55167598Srrs * listed in the cookie. Plus we need some overhead for 56167598Srrs * maybe copied parameters in the COOKIE. If we 57168299Srrs * allow 1080 addresses, and each side has 1080 V6 addresses 58168299Srrs * that will be 21600 bytes. In the INIT-ACK we will 59168299Srrs * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 60168299Srrs * about 500 bytes slack for misc things in the cookie. 61167598Srrs */ 62168299Srrs#define SCTP_ADDRESS_LIMIT 1080 63167598Srrs 64171990Srrs/* We need at least 2k of space for us, inits 65171990Srrs * larger than that lets abort. 66171990Srrs */ 67171990Srrs#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 68171990Srrs 69287669Stuexen/* Largest length of a chunk */ 70287669Stuexen#define SCTP_MAX_CHUNK_LENGTH 0xffff 71297312Stuexen/* Largest length of an error cause */ 72297312Stuexen#define SCTP_MAX_CAUSE_LENGTH 0xffff 73167598Srrs/* Number of addresses where we just skip the counting */ 74167598Srrs#define SCTP_COUNT_LIMIT 40 75167598Srrs 76170056Srrs#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 77170181Srrs#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 78170056Srrs 79167598Srrs/* Number of ticks to delay before running 80167598Srrs * iterator on an address change. 81167598Srrs */ 82167598Srrs#define SCTP_ADDRESS_TICK_DELAY 2 83167598Srrs 84163953Srrs#define SCTP_VERSION_STRING "KAME-BSD 1.1" 85163953Srrs/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 86163953Srrs#define SCTP_AUDIT_SIZE 256 87163953Srrs 88167598Srrs 89167598Srrs#define SCTP_KTRHEAD_NAME "sctp_iterator" 90199866Stuexen#define SCTP_KTHREAD_PAGES 0 91167598Srrs 92218211Srrs#define SCTP_MCORE_NAME "sctp_core_worker" 93167598Srrs 94218211Srrs 95167598Srrs/* If you support Multi-VRF how big to 96167598Srrs * make the initial array of VRF's to. 97167598Srrs */ 98167598Srrs#define SCTP_DEFAULT_VRF_SIZE 4 99167598Srrs 100171440Srrs/* JRS - Values defined for the HTCP algorithm */ 101171440Srrs#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 102171440Srrs#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 103171440Srrs#define BETA_MAX 102 /* 0.8 with shift << 7 */ 104171440Srrs 105163953Srrs/* Places that CWND log can happen from */ 106163953Srrs#define SCTP_CWND_LOG_FROM_FR 1 107163953Srrs#define SCTP_CWND_LOG_FROM_RTX 2 108163953Srrs#define SCTP_CWND_LOG_FROM_BRST 3 109163953Srrs#define SCTP_CWND_LOG_FROM_SS 4 110163953Srrs#define SCTP_CWND_LOG_FROM_CA 5 111163953Srrs#define SCTP_CWND_LOG_FROM_SAT 6 112163953Srrs#define SCTP_BLOCK_LOG_INTO_BLK 7 113163953Srrs#define SCTP_BLOCK_LOG_OUTOF_BLK 8 114163953Srrs#define SCTP_BLOCK_LOG_CHECK 9 115163953Srrs#define SCTP_STR_LOG_FROM_INTO_STRD 10 116163953Srrs#define SCTP_STR_LOG_FROM_IMMED_DEL 11 117163953Srrs#define SCTP_STR_LOG_FROM_INSERT_HD 12 118163953Srrs#define SCTP_STR_LOG_FROM_INSERT_MD 13 119163953Srrs#define SCTP_STR_LOG_FROM_INSERT_TL 14 120163953Srrs#define SCTP_STR_LOG_FROM_MARK_TSN 15 121163953Srrs#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 122163953Srrs#define SCTP_FR_LOG_BIGGEST_TSNS 17 123163953Srrs#define SCTP_FR_LOG_STRIKE_TEST 18 124163953Srrs#define SCTP_FR_LOG_STRIKE_CHUNK 19 125163953Srrs#define SCTP_FR_T3_TIMEOUT 20 126163953Srrs#define SCTP_MAP_PREPARE_SLIDE 21 127163953Srrs#define SCTP_MAP_SLIDE_FROM 22 128163953Srrs#define SCTP_MAP_SLIDE_RESULT 23 129163953Srrs#define SCTP_MAP_SLIDE_CLEARED 24 130163953Srrs#define SCTP_MAP_SLIDE_NONE 25 131163953Srrs#define SCTP_FR_T3_MARK_TIME 26 132163953Srrs#define SCTP_FR_T3_MARKED 27 133163953Srrs#define SCTP_FR_T3_STOPPED 28 134163953Srrs#define SCTP_FR_MARKED 30 135163953Srrs#define SCTP_CWND_LOG_NOADV_SS 31 136163953Srrs#define SCTP_CWND_LOG_NOADV_CA 32 137163953Srrs#define SCTP_MAX_BURST_APPLIED 33 138163953Srrs#define SCTP_MAX_IFP_APPLIED 34 139163953Srrs#define SCTP_MAX_BURST_ERROR_STOP 35 140163953Srrs#define SCTP_INCREASE_PEER_RWND 36 141163953Srrs#define SCTP_DECREASE_PEER_RWND 37 142163953Srrs#define SCTP_SET_PEER_RWND_VIA_SACK 38 143163953Srrs#define SCTP_LOG_MBCNT_INCREASE 39 144163953Srrs#define SCTP_LOG_MBCNT_DECREASE 40 145163953Srrs#define SCTP_LOG_MBCNT_CHKSET 41 146163953Srrs#define SCTP_LOG_NEW_SACK 42 147163953Srrs#define SCTP_LOG_TSN_ACKED 43 148163953Srrs#define SCTP_LOG_TSN_REVOKED 44 149163953Srrs#define SCTP_LOG_LOCK_TCB 45 150163953Srrs#define SCTP_LOG_LOCK_INP 46 151163953Srrs#define SCTP_LOG_LOCK_SOCK 47 152163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_R 48 153163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_S 49 154163953Srrs#define SCTP_LOG_LOCK_CREATE 50 155163953Srrs#define SCTP_LOG_INITIAL_RTT 51 156163953Srrs#define SCTP_LOG_RTTVAR 52 157163953Srrs#define SCTP_LOG_SBALLOC 53 158163953Srrs#define SCTP_LOG_SBFREE 54 159163953Srrs#define SCTP_LOG_SBRESULT 55 160163953Srrs#define SCTP_FR_DUPED 56 161163953Srrs#define SCTP_FR_MARKED_EARLY 57 162163953Srrs#define SCTP_FR_CWND_REPORT 58 163163953Srrs#define SCTP_FR_CWND_REPORT_START 59 164163953Srrs#define SCTP_FR_CWND_REPORT_STOP 60 165163953Srrs#define SCTP_CWND_LOG_FROM_SEND 61 166163953Srrs#define SCTP_CWND_INITIALIZATION 62 167163953Srrs#define SCTP_CWND_LOG_FROM_T3 63 168163953Srrs#define SCTP_CWND_LOG_FROM_SACK 64 169163953Srrs#define SCTP_CWND_LOG_NO_CUMACK 65 170163953Srrs#define SCTP_CWND_LOG_FROM_RESEND 66 171163953Srrs#define SCTP_FR_LOG_CHECK_STRIKE 67 172163953Srrs#define SCTP_SEND_NOW_COMPLETES 68 173163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 174163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 175163953Srrs#define SCTP_LOG_FREE_SENT 71 176163953Srrs#define SCTP_NAGLE_APPLIED 72 177163953Srrs#define SCTP_NAGLE_SKIPPED 73 178163953Srrs#define SCTP_WAKESND_FROM_SACK 74 179163953Srrs#define SCTP_WAKESND_FROM_FWDTSN 75 180163953Srrs#define SCTP_NOWAKE_FROM_SACK 76 181163953Srrs#define SCTP_CWNDLOG_PRESEND 77 182163953Srrs#define SCTP_CWNDLOG_ENDSEND 78 183163953Srrs#define SCTP_AT_END_OF_SACK 79 184163953Srrs#define SCTP_REASON_FOR_SC 80 185163953Srrs#define SCTP_BLOCK_LOG_INTO_BLKA 81 186163953Srrs#define SCTP_ENTER_USER_RECV 82 187163953Srrs#define SCTP_USER_RECV_SACKS 83 188163953Srrs#define SCTP_SORECV_BLOCKSA 84 189163953Srrs#define SCTP_SORECV_BLOCKSB 85 190163953Srrs#define SCTP_SORECV_DONE 86 191163953Srrs#define SCTP_SACK_RWND_UPDATE 87 192163953Srrs#define SCTP_SORECV_ENTER 88 193163953Srrs#define SCTP_SORECV_ENTERPL 89 194163953Srrs#define SCTP_MBUF_INPUT 90 195163953Srrs#define SCTP_MBUF_IALLOC 91 196163953Srrs#define SCTP_MBUF_IFREE 92 197163953Srrs#define SCTP_MBUF_ICOPY 93 198178197Srrs#define SCTP_MBUF_SPLIT 94 199178197Srrs#define SCTP_SORCV_FREECTL 95 200178197Srrs#define SCTP_SORCV_DOESCPY 96 201178197Srrs#define SCTP_SORCV_DOESLCK 97 202178197Srrs#define SCTP_SORCV_DOESADJ 98 203178197Srrs#define SCTP_SORCV_BOTWHILE 99 204178197Srrs#define SCTP_SORCV_PASSBF 100 205178197Srrs#define SCTP_SORCV_ADJD 101 206178197Srrs#define SCTP_UNKNOWN_MAX 102 207178197Srrs#define SCTP_RANDY_STUFF 103 208178197Srrs#define SCTP_RANDY_STUFF1 104 209178197Srrs#define SCTP_STRMOUT_LOG_ASSIGN 105 210178197Srrs#define SCTP_STRMOUT_LOG_SEND 106 211178197Srrs#define SCTP_FLIGHT_LOG_DOWN_CA 107 212178197Srrs#define SCTP_FLIGHT_LOG_UP 108 213178197Srrs#define SCTP_FLIGHT_LOG_DOWN_GAP 109 214178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND 110 215178197Srrs#define SCTP_FLIGHT_LOG_UP_RSND 111 216178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 217178197Srrs#define SCTP_FLIGHT_LOG_DOWN_WP 113 218178197Srrs#define SCTP_FLIGHT_LOG_UP_REVOKE 114 219178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 220178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 221178197Srrs#define SCTP_SACK_LOG_NORMAL 117 222178197Srrs#define SCTP_SACK_LOG_EXPRESS 118 223178197Srrs#define SCTP_MAP_TSN_ENTERS 119 224178197Srrs#define SCTP_THRESHOLD_CLEAR 120 225178197Srrs#define SCTP_THRESHOLD_INCR 121 226189371Srrs#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122 227189790Srrs#define SCTP_FWD_TSN_CHECK 123 228189790Srrs#define SCTP_LOG_MAX_TYPES 124 229163953Srrs/* 230170744Srrs * To turn on various logging, you must first enable 'options KTR' and 231170744Srrs * you might want to bump the entires 'options KTR_ENTRIES=80000'. 232170744Srrs * To get something to log you define one of the logging defines. 233170744Srrs * (see LINT). 234163953Srrs * 235170744Srrs * This gets the compile in place, but you still need to turn the 236170744Srrs * logging flag on too in the sysctl (see in sctp.h). 237163953Srrs */ 238171943Srrs 239163953Srrs#define SCTP_LOG_EVENT_UNKNOWN 0 240163953Srrs#define SCTP_LOG_EVENT_CWND 1 241163953Srrs#define SCTP_LOG_EVENT_BLOCK 2 242163953Srrs#define SCTP_LOG_EVENT_STRM 3 243163953Srrs#define SCTP_LOG_EVENT_FR 4 244163953Srrs#define SCTP_LOG_EVENT_MAP 5 245163953Srrs#define SCTP_LOG_EVENT_MAXBURST 6 246163953Srrs#define SCTP_LOG_EVENT_RWND 7 247163953Srrs#define SCTP_LOG_EVENT_MBCNT 8 248163953Srrs#define SCTP_LOG_EVENT_SACK 9 249163953Srrs#define SCTP_LOG_LOCK_EVENT 10 250163953Srrs#define SCTP_LOG_EVENT_RTT 11 251163953Srrs#define SCTP_LOG_EVENT_SB 12 252163953Srrs#define SCTP_LOG_EVENT_NAGLE 13 253163953Srrs#define SCTP_LOG_EVENT_WAKE 14 254163953Srrs#define SCTP_LOG_MISC_EVENT 15 255163953Srrs#define SCTP_LOG_EVENT_CLOSE 16 256163953Srrs#define SCTP_LOG_EVENT_MBUF 17 257170744Srrs#define SCTP_LOG_CHUNK_PROC 18 258170744Srrs#define SCTP_LOG_ERROR_RET 19 259163953Srrs 260170744Srrs#define SCTP_LOG_MAX_EVENT 20 261163953Srrs 262163953Srrs#define SCTP_LOCK_UNKNOWN 2 263163953Srrs 264163953Srrs 265163953Srrs/* number of associations by default for zone allocation */ 266163953Srrs#define SCTP_MAX_NUM_OF_ASOC 40000 267163953Srrs/* how many addresses per assoc remote and local */ 268163953Srrs#define SCTP_SCALE_FOR_ADDR 2 269163953Srrs 270179157Srrs/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 271179157Srrs#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 272179157Srrs 273163953Srrs/* 274298942Spfg * Threshold for rwnd updates, we have to read (sb_hiwat >> 275163953Srrs * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 276163953Srrs * window update sack. When we look, we compare the last rwnd we sent vs the 277163953Srrs * current rwnd. It too must be greater than this value. Using 3 divdes the 278163953Srrs * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 279163953Srrs * to read 8k. This seems about right.. I hope :-D.. we do set a 280163953Srrs * min of a MTU on it so if the rwnd is real small we will insist 281163953Srrs * on a full MTU of 1500 bytes. 282163953Srrs */ 283163953Srrs#define SCTP_RWND_HIWAT_SHIFT 3 284163953Srrs 285163953Srrs/* How much of the rwnd must the 286163953Srrs * message be taking up to start partial delivery. 287163953Srrs * We calculate this by shifing the hi_water (recv_win) 288163953Srrs * left the following .. set to 1, when a message holds 289163953Srrs * 1/2 the rwnd. If we set it to 2 when a message holds 290163953Srrs * 1/4 the rwnd...etc.. 291163953Srrs */ 292163953Srrs 293163953Srrs#define SCTP_PARTIAL_DELIVERY_SHIFT 1 294163953Srrs 295163953Srrs/* 296163953Srrs * default HMAC for cookies, etc... use one of the AUTH HMAC id's 297163953Srrs * SCTP_HMAC is the HMAC_ID to use 298163953Srrs * SCTP_SIGNATURE_SIZE is the digest length 299163953Srrs */ 300163953Srrs#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 301163953Srrs#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 302163953Srrs#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 303163953Srrs 304163953Srrs/* 305163953Srrs * the SCTP protocol signature this includes the version number encoded in 306163953Srrs * the last 4 bits of the signature. 307163953Srrs */ 308163953Srrs#define PROTO_SIGNATURE_A 0x30000000 309163953Srrs#define SCTP_VERSION_NUMBER 0x3 310163953Srrs 311163953Srrs#define MAX_TSN 0xffffffff 312163953Srrs 313163953Srrs/* how many executions every N tick's */ 314163953Srrs#define SCTP_ITERATOR_MAX_AT_ONCE 20 315163953Srrs 316163953Srrs/* number of clock ticks between iterator executions */ 317163953Srrs#define SCTP_ITERATOR_TICKS 1 318163953Srrs 319163953Srrs/* 320163953Srrs * option: If you comment out the following you will receive the old behavior 321163953Srrs * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 322163953Srrs * happens right away with-out waiting for the flightsize to drop below the 323163953Srrs * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 324163953Srrs */ 325163953Srrs#define SCTP_IGNORE_CWND_ON_FR 1 326163953Srrs 327163953Srrs/* 328163953Srrs * Adds implementors guide behavior to only use newest highest update in SACK 329163953Srrs * gap ack's to figure out if you need to stroke a chunk for FR. 330163953Srrs */ 331163953Srrs#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 332163953Srrs 333217913Stuexen/* default max I can burst out after a fast retransmit, 0 disables it */ 334235557Stuexen#define SCTP_DEF_MAX_BURST 4 335218186Srrs#define SCTP_DEF_HBMAX_BURST 4 336218186Srrs#define SCTP_DEF_FRMAX_BURST 4 337218186Srrs 338218186Srrs/* RTO calculation flag to say if it 339218186Srrs * is safe to determine local lan or not. 340218186Srrs */ 341219397Srrs#define SCTP_RTT_FROM_NON_DATA 0 342219397Srrs#define SCTP_RTT_FROM_DATA 1 343218186Srrs 344303267Stuexen#define PR_SCTP_UNORDERED_FLAG 0x0001 345218186Srrs 346163953Srrs/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 347163953Srrs#define SCTP_FIRST_MBUF_RESV 68 348163953Srrs/* Packet transmit states in the sent field */ 349163953Srrs#define SCTP_DATAGRAM_UNSENT 0 350163953Srrs#define SCTP_DATAGRAM_SENT 1 351163953Srrs#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 352163953Srrs * hit this value) */ 353163953Srrs#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 354163953Srrs * hit this value) */ 355163953Srrs#define SCTP_DATAGRAM_RESEND 4 356163953Srrs#define SCTP_DATAGRAM_ACKED 10010 357163953Srrs#define SCTP_DATAGRAM_MARKED 20010 358163953Srrs#define SCTP_FORWARD_TSN_SKIP 30010 359243157Stuexen#define SCTP_DATAGRAM_NR_ACKED 40010 360163953Srrs 361163953Srrs/* chunk output send from locations */ 362163953Srrs#define SCTP_OUTPUT_FROM_USR_SEND 0 363163953Srrs#define SCTP_OUTPUT_FROM_T3 1 364163953Srrs#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 365163953Srrs#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 366163953Srrs#define SCTP_OUTPUT_FROM_SACK_TMR 4 367163953Srrs#define SCTP_OUTPUT_FROM_SHUT_TMR 5 368163953Srrs#define SCTP_OUTPUT_FROM_HB_TMR 6 369163953Srrs#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 370163953Srrs#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 371163953Srrs#define SCTP_OUTPUT_FROM_STRRST_TMR 9 372163953Srrs#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 373163953Srrs#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 374163953Srrs#define SCTP_OUTPUT_FROM_STRRST_REQ 12 375163953Srrs#define SCTP_OUTPUT_FROM_USR_RCVD 13 376164205Srrs#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 377167598Srrs#define SCTP_OUTPUT_FROM_DRAIN 15 378171990Srrs#define SCTP_OUTPUT_FROM_CLOSING 16 379228391Stuexen#define SCTP_OUTPUT_FROM_SOCKOPT 17 380228391Stuexen 381163953Srrs/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 382163953Srrs 383163953Srrs/* align to 32-bit sizes */ 384228907Stuexen#define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2) 385163953Srrs 386297662Srrs#define IS_SCTP_CONTROL(a) (((a)->chunk_type != SCTP_DATA) && ((a)->chunk_type != SCTP_IDATA)) 387297662Srrs#define IS_SCTP_DATA(a) (((a)->chunk_type == SCTP_DATA) || ((a)->chunk_type == SCTP_IDATA)) 388163953Srrs 389163953Srrs 390163953Srrs/* SCTP parameter types */ 391163953Srrs/*************0x0000 series*************/ 392163953Srrs#define SCTP_HEARTBEAT_INFO 0x0001 393163953Srrs#define SCTP_IPV4_ADDRESS 0x0005 394163953Srrs#define SCTP_IPV6_ADDRESS 0x0006 395163953Srrs#define SCTP_STATE_COOKIE 0x0007 396163953Srrs#define SCTP_UNRECOG_PARAM 0x0008 397163953Srrs#define SCTP_COOKIE_PRESERVE 0x0009 398163953Srrs#define SCTP_HOSTNAME_ADDRESS 0x000b 399163953Srrs#define SCTP_SUPPORTED_ADDRTYPE 0x000c 400163953Srrs 401332235Stuexen/* RFC 6525 */ 402163953Srrs#define SCTP_STR_RESET_OUT_REQUEST 0x000d 403163953Srrs#define SCTP_STR_RESET_IN_REQUEST 0x000e 404163953Srrs#define SCTP_STR_RESET_TSN_REQUEST 0x000f 405163953Srrs#define SCTP_STR_RESET_RESPONSE 0x0010 406233660Srrs#define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011 407332235Stuexen#define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012 408163953Srrs 409163953Srrs#define SCTP_MAX_RESET_PARAMS 2 410332235Stuexen#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 411163953Srrs 412163953Srrs/*************0x4000 series*************/ 413163953Srrs 414163953Srrs/*************0x8000 series*************/ 415163953Srrs#define SCTP_ECN_CAPABLE 0x8000 416218129Srrs 417332235Stuexen/* RFC 4895 */ 418163953Srrs#define SCTP_RANDOM 0x8002 419163953Srrs#define SCTP_CHUNK_LIST 0x8003 420163953Srrs#define SCTP_HMAC_LIST 0x8004 421332236Stuexen/* RFC 4820 */ 422332236Stuexen#define SCTP_PAD 0x8005 423332235Stuexen/* RFC 5061 */ 424332235Stuexen#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 425163953Srrs 426163953Srrs/*************0xC000 series*************/ 427163953Srrs#define SCTP_PRSCTP_SUPPORTED 0xc000 428332235Stuexen/* RFC 5061 */ 429163953Srrs#define SCTP_ADD_IP_ADDRESS 0xc001 430163953Srrs#define SCTP_DEL_IP_ADDRESS 0xc002 431163953Srrs#define SCTP_ERROR_CAUSE_IND 0xc003 432163953Srrs#define SCTP_SET_PRIM_ADDR 0xc004 433163953Srrs#define SCTP_SUCCESS_REPORT 0xc005 434163953Srrs#define SCTP_ULP_ADAPTATION 0xc006 435185694Srrs/* behave-nat-draft */ 436332235Stuexen#define SCTP_HAS_NAT_SUPPORT 0xc007 437332235Stuexen#define SCTP_NAT_VTAGS 0xc008 438163953Srrs 439163953Srrs/* bits for TOS field */ 440163953Srrs#define SCTP_ECT0_BIT 0x02 441163953Srrs#define SCTP_ECT1_BIT 0x01 442163953Srrs#define SCTP_CE_BITS 0x03 443163953Srrs 444163953Srrs/* below turns off above */ 445163953Srrs#define SCTP_FLEXIBLE_ADDRESS 0x20 446163953Srrs#define SCTP_NO_HEARTBEAT 0x40 447163953Srrs 448163953Srrs/* mask to get sticky */ 449163953Srrs#define SCTP_STICKY_OPTIONS_MASK 0x0c 450163953Srrs 451163953Srrs 452163953Srrs/* 453287282Stuexen * SCTP states for internal state machine 454163953Srrs */ 455163953Srrs#define SCTP_STATE_EMPTY 0x0000 456163953Srrs#define SCTP_STATE_INUSE 0x0001 457163953Srrs#define SCTP_STATE_COOKIE_WAIT 0x0002 458163953Srrs#define SCTP_STATE_COOKIE_ECHOED 0x0004 459163953Srrs#define SCTP_STATE_OPEN 0x0008 460163953Srrs#define SCTP_STATE_SHUTDOWN_SENT 0x0010 461163953Srrs#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 462163953Srrs#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 463163953Srrs#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 464163953Srrs#define SCTP_STATE_CLOSED_SOCKET 0x0100 465163953Srrs#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 466163953Srrs#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 467171745Srrs#define SCTP_STATE_WAS_ABORTED 0x0800 468207924Srrs#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000 469163953Srrs#define SCTP_STATE_MASK 0x007f 470163953Srrs 471347165Stuexen#define SCTP_GET_STATE(_stcb) \ 472347165Stuexen ((_stcb)->asoc.state & SCTP_STATE_MASK) 473347165Stuexen#define SCTP_SET_STATE(_stcb, _state) \ 474347165Stuexen (_stcb)->asoc.state = ((_stcb)->asoc.state & ~SCTP_STATE_MASK) | (_state) 475347165Stuexen#define SCTP_CLEAR_SUBSTATE(_stcb, _substate) \ 476347165Stuexen (_stcb)->asoc.state &= ~(_substate) 477347165Stuexen#define SCTP_ADD_SUBSTATE(_stcb, _substate) \ 478347165Stuexen (_stcb)->asoc.state |= (_substate) 479163953Srrs 480163953Srrs/* SCTP reachability state for each address */ 481163953Srrs#define SCTP_ADDR_REACHABLE 0x001 482225635Stuexen#define SCTP_ADDR_NO_PMTUD 0x002 483163953Srrs#define SCTP_ADDR_NOHB 0x004 484163953Srrs#define SCTP_ADDR_BEING_DELETED 0x008 485163953Srrs#define SCTP_ADDR_NOT_IN_ASSOC 0x010 486163953Srrs#define SCTP_ADDR_OUT_OF_SCOPE 0x080 487163953Srrs#define SCTP_ADDR_UNCONFIRMED 0x200 488167598Srrs#define SCTP_ADDR_REQ_PRIMARY 0x400 489171440Srrs/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 490217635Srrs#define SCTP_ADDR_PF 0x800 491163953Srrs 492163953Srrs/* bound address types (e.g. valid address types to allow) */ 493163953Srrs#define SCTP_BOUND_V6 0x01 494163953Srrs#define SCTP_BOUND_V4 0x02 495163953Srrs 496163953Srrs/* 497163953Srrs * what is the default number of mbufs in a chain I allow before switching to 498163953Srrs * a cluster 499163953Srrs */ 500163953Srrs#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 501163953Srrs 502169655Srrs/* How long a cookie lives in milli-seconds */ 503169655Srrs#define SCTP_DEFAULT_COOKIE_LIFE 60000 504163953Srrs 505163953Srrs/* Maximum the mapping array will grow to (TSN mapping array) */ 506163953Srrs#define SCTP_MAPPING_ARRAY 512 507163953Srrs 508298942Spfg/* size of the initial malloc on the mapping array */ 509163953Srrs#define SCTP_INITIAL_MAPPING_ARRAY 16 510163953Srrs/* how much we grow the mapping array each call */ 511163953Srrs#define SCTP_MAPPING_ARRAY_INCR 32 512206137Stuexen 513163953Srrs/* 514163953Srrs * Here we define the timer types used by the implementation as arguments in 515163953Srrs * the set/get timer type calls. 516163953Srrs */ 517163953Srrs#define SCTP_TIMER_INIT 0 518163953Srrs#define SCTP_TIMER_RECV 1 519163953Srrs#define SCTP_TIMER_SEND 2 520163953Srrs#define SCTP_TIMER_HEARTBEAT 3 521163953Srrs#define SCTP_TIMER_PMTU 4 522163953Srrs#define SCTP_TIMER_MAXSHUTDOWN 5 523163953Srrs#define SCTP_TIMER_SIGNATURE 6 524163953Srrs/* 525163953Srrs * number of timer types in the base SCTP structure used in the set/get and 526163953Srrs * has the base default. 527163953Srrs */ 528163953Srrs#define SCTP_NUM_TMRS 7 529163953Srrs 530163953Srrs/* timer types */ 531163953Srrs#define SCTP_TIMER_TYPE_NONE 0 532163953Srrs#define SCTP_TIMER_TYPE_SEND 1 533163953Srrs#define SCTP_TIMER_TYPE_INIT 2 534163953Srrs#define SCTP_TIMER_TYPE_RECV 3 535163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWN 4 536163953Srrs#define SCTP_TIMER_TYPE_HEARTBEAT 5 537163953Srrs#define SCTP_TIMER_TYPE_COOKIE 6 538163953Srrs#define SCTP_TIMER_TYPE_NEWCOOKIE 7 539163953Srrs#define SCTP_TIMER_TYPE_PATHMTURAISE 8 540163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 541163953Srrs#define SCTP_TIMER_TYPE_ASCONF 10 542163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 543163953Srrs#define SCTP_TIMER_TYPE_AUTOCLOSE 12 544360767Stuexen#define SCTP_TIMER_TYPE_STRRESET 13 545360767Stuexen#define SCTP_TIMER_TYPE_INPKILL 14 546360767Stuexen#define SCTP_TIMER_TYPE_ASOCKILL 15 547360767Stuexen#define SCTP_TIMER_TYPE_ADDR_WQ 16 548360767Stuexen#define SCTP_TIMER_TYPE_PRIM_DELETED 17 549163953Srrs/* add new timers here - and increment LAST */ 550360767Stuexen#define SCTP_TIMER_TYPE_LAST 18 551163953Srrs 552163953Srrs#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 553163953Srrs ((t) < SCTP_TIMER_TYPE_LAST)) 554163953Srrs 555163953Srrs 556163953Srrs 557163953Srrs/* max number of TSN's dup'd that I will hold */ 558163953Srrs#define SCTP_MAX_DUP_TSNS 20 559163953Srrs 560163953Srrs/* 561163953Srrs * Here we define the types used when setting the retry amounts. 562163953Srrs */ 563163953Srrs/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 564163953Srrs#define SCTP_RETRY_DROPPED_THRESH 4 565163953Srrs 566163953Srrs/* 567163953Srrs * Maxmium number of chunks a single association can have on it. Note that 568163953Srrs * this is a squishy number since the count can run over this if the user 569163953Srrs * sends a large message down .. the fragmented chunks don't count until 570163953Srrs * AFTER the message is on queue.. it would be the next send that blocks 571163953Srrs * things. This number will get tuned up at boot in the sctp_init and use the 572163953Srrs * number of clusters as a base. This way high bandwidth environments will 573163953Srrs * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 574163953Srrs */ 575163953Srrs#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 576163953Srrs 577172091Srrs 578167598Srrs/* The conversion from time to ticks and vice versa is done by rounding 579167598Srrs * upwards. This way we can test in the code the time to be positive and 580167598Srrs * know that this corresponds to a positive number of ticks. 581167598Srrs */ 582167598Srrs#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 583167598Srrs#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 584163953Srrs 585163953Srrs#define SEC_TO_TICKS(x) ((x) * hz) 586167598Srrs#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 587163953Srrs 588163953Srrs/* 589163953Srrs * Basically the minimum amount of time before I do a early FR. Making this 590163953Srrs * value to low will cause duplicate retransmissions. 591163953Srrs */ 592163953Srrs#define SCTP_MINFR_MSEC_TIMER 250 593163953Srrs/* The floor this value is allowed to fall to when starting a timer. */ 594163953Srrs#define SCTP_MINFR_MSEC_FLOOR 20 595163953Srrs 596163953Srrs/* init timer def = 1 sec */ 597163953Srrs#define SCTP_INIT_SEC 1 598163953Srrs 599163953Srrs/* send timer def = 1 seconds */ 600163953Srrs#define SCTP_SEND_SEC 1 601163953Srrs 602163953Srrs/* recv timer def = 200ms */ 603163953Srrs#define SCTP_RECV_MSEC 200 604163953Srrs 605163953Srrs/* 30 seconds + RTO (in ms) */ 606163953Srrs#define SCTP_HB_DEFAULT_MSEC 30000 607163953Srrs 608163953Srrs/* 609163953Srrs * This is how long a secret lives, NOT how long a cookie lives how many 610163953Srrs * ticks the current secret will live. 611163953Srrs */ 612163953Srrs#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 613163953Srrs 614163953Srrs#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 615224641Stuexen#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */ 616163953Srrs#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 617163953Srrs 618163953Srrs 619332235Stuexen#define SCTP_INP_KILL_TIMEOUT 20 /* number of ms to retry kill of inpcb */ 620163953Srrs#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 621163953Srrs 622224641Stuexen#define SCTP_DEF_MAX_INIT 8 623224641Stuexen#define SCTP_DEF_MAX_SEND 10 624224641Stuexen#define SCTP_DEF_MAX_PATH_RTX 5 625224641Stuexen#define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX 626163953Srrs 627163953Srrs#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 628163953Srrs 629170056Srrs 630298942Spfg/* How many streams I request initially by default */ 631163953Srrs#define SCTP_OSTREAM_INITIAL 10 632252779Stuexen#define SCTP_ISTREAM_INITIAL 2048 633163953Srrs 634163953Srrs/* 635163953Srrs * How many smallest_mtu's need to increase before a window update sack is 636163953Srrs * sent (should be a power of 2). 637163953Srrs */ 638163953Srrs/* Send window update (incr * this > hiwat). Should be a power of 2 */ 639163953Srrs#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 640163953Srrs 641224641Stuexen#define SCTP_ADDRMAX 16 642163953Srrs 643163953Srrs/* SCTP DEBUG Switch parameters */ 644163953Srrs#define SCTP_DEBUG_TIMER1 0x00000001 645170181Srrs#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 646170181Srrs#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 647163953Srrs#define SCTP_DEBUG_TIMER4 0x00000008 648163953Srrs#define SCTP_DEBUG_OUTPUT1 0x00000010 649163953Srrs#define SCTP_DEBUG_OUTPUT2 0x00000020 650163953Srrs#define SCTP_DEBUG_OUTPUT3 0x00000040 651163953Srrs#define SCTP_DEBUG_OUTPUT4 0x00000080 652163953Srrs#define SCTP_DEBUG_UTIL1 0x00000100 653170181Srrs#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 654163953Srrs#define SCTP_DEBUG_AUTH1 0x00000400 655170181Srrs#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 656163953Srrs#define SCTP_DEBUG_INPUT1 0x00001000 657163953Srrs#define SCTP_DEBUG_INPUT2 0x00002000 658163953Srrs#define SCTP_DEBUG_INPUT3 0x00004000 659170181Srrs#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 660163953Srrs#define SCTP_DEBUG_ASCONF1 0x00010000 661163953Srrs#define SCTP_DEBUG_ASCONF2 0x00020000 662170181Srrs#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 663170181Srrs#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 664163953Srrs#define SCTP_DEBUG_PCB1 0x00100000 665170181Srrs#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 666163953Srrs#define SCTP_DEBUG_PCB3 0x00400000 667172266Srrs#define SCTP_DEBUG_PCB4 0x00800000 668163953Srrs#define SCTP_DEBUG_INDATA1 0x01000000 669170181Srrs#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 670170181Srrs#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 671188067Srrs#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 672170181Srrs#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 673170181Srrs#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 674163953Srrs#define SCTP_DEBUG_PEEL1 0x40000000 675170181Srrs#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 676163953Srrs#define SCTP_DEBUG_ALL 0x7ff3ffff 677163953Srrs#define SCTP_DEBUG_NOISY 0x00040000 678163953Srrs 679163953Srrs/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 680163953Srrs#define SCTP_SWS_SENDER_DEF 1420 681163953Srrs 682163953Srrs/* 683163953Srrs * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 684163953Srrs * would be hiwat/2 etc. 685163953Srrs */ 686163953Srrs/* What receiver needs to see in sockbuf or we tell peer its 1 */ 687163953Srrs#define SCTP_SWS_RECEIVER_DEF 3000 688163953Srrs 689163953Srrs#define SCTP_INITIAL_CWND 4380 690163953Srrs 691188067Srrs#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 692163953Srrs/* amount peer is obligated to have in rwnd or I will abort */ 693163953Srrs#define SCTP_MIN_RWND 1500 694163953Srrs 695163953Srrs#define SCTP_DEFAULT_MAXSEGMENT 65535 696163953Srrs 697170642Srrs#define SCTP_CHUNK_BUFFER_SIZE 512 698166675Srrs#define SCTP_PARAM_BUFFER_SIZE 512 699163953Srrs 700171990Srrs/* small chunk store for looking at chunk_list in auth */ 701171990Srrs#define SCTP_SMALL_CHUNK_STORE 260 702171990Srrs 703163953Srrs#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 704163953Srrs 705163953Srrs#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 706163953Srrs#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 707163953Srrs 708163953Srrs 709163953Srrs/* 710163953Srrs * SCTP upper layer notifications 711163953Srrs */ 712185694Srrs#define SCTP_NOTIFY_ASSOC_UP 1 713185694Srrs#define SCTP_NOTIFY_ASSOC_DOWN 2 714185694Srrs#define SCTP_NOTIFY_INTERFACE_DOWN 3 715185694Srrs#define SCTP_NOTIFY_INTERFACE_UP 4 716235416Stuexen#define SCTP_NOTIFY_SENT_DG_FAIL 5 717235416Stuexen#define SCTP_NOTIFY_UNSENT_DG_FAIL 6 718235416Stuexen#define SCTP_NOTIFY_SPECIAL_SP_FAIL 7 719235416Stuexen#define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8 720235416Stuexen#define SCTP_NOTIFY_ASSOC_REM_ABORTED 9 721235416Stuexen#define SCTP_NOTIFY_ASSOC_RESTART 10 722235416Stuexen#define SCTP_NOTIFY_PEER_SHUTDOWN 11 723235416Stuexen#define SCTP_NOTIFY_ASCONF_ADD_IP 12 724235416Stuexen#define SCTP_NOTIFY_ASCONF_DELETE_IP 13 725235416Stuexen#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14 726235416Stuexen#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15 727235416Stuexen#define SCTP_NOTIFY_INTERFACE_CONFIRMED 16 728235416Stuexen#define SCTP_NOTIFY_STR_RESET_RECV 17 729235416Stuexen#define SCTP_NOTIFY_STR_RESET_SEND 18 730235416Stuexen#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19 731235416Stuexen#define SCTP_NOTIFY_STR_RESET_FAILED_IN 20 732235416Stuexen#define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21 733235416Stuexen#define SCTP_NOTIFY_STR_RESET_DENIED_IN 22 734235416Stuexen#define SCTP_NOTIFY_AUTH_NEW_KEY 23 735235416Stuexen#define SCTP_NOTIFY_AUTH_FREE_KEY 24 736235416Stuexen#define SCTP_NOTIFY_NO_PEER_AUTH 25 737235416Stuexen#define SCTP_NOTIFY_SENDER_DRY 26 738235418Stuexen#define SCTP_NOTIFY_REMOTE_ERROR 27 739163953Srrs 740163953Srrs/* This is the value for messages that are NOT completely 741163953Srrs * copied down where we will start to split the message. 742163953Srrs * So, with our default, we split only if the piece we 743163953Srrs * want to take will fill up a full MTU (assuming 744163953Srrs * a 1500 byte MTU). 745163953Srrs */ 746168124Srrs#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 747163953Srrs 748263237Stuexen/* Maximum length of diagnostic information in error causes */ 749320457Stuexen#define SCTP_DIAG_INFO_LEN 128 750263237Stuexen 751165220Srrs/* ABORT CODES and other tell-tale location 752165220Srrs * codes are generated by adding the below 753165220Srrs * to the instance id. 754165220Srrs */ 755165220Srrs 756165220Srrs/* File defines */ 757283650Stuexen#define SCTP_FROM_SCTP_INPUT 0x10000000 758283650Stuexen#define SCTP_FROM_SCTP_PCB 0x20000000 759283650Stuexen#define SCTP_FROM_SCTP_INDATA 0x30000000 760283650Stuexen#define SCTP_FROM_SCTP_TIMER 0x40000000 761283650Stuexen#define SCTP_FROM_SCTP_USRREQ 0x50000000 762283650Stuexen#define SCTP_FROM_SCTPUTIL 0x60000000 763283650Stuexen#define SCTP_FROM_SCTP6_USRREQ 0x70000000 764283650Stuexen#define SCTP_FROM_SCTP_ASCONF 0x80000000 765283650Stuexen#define SCTP_FROM_SCTP_OUTPUT 0x90000000 766283650Stuexen#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 767283650Stuexen#define SCTP_FROM_SCTP_PANDA 0xb0000000 768283650Stuexen#define SCTP_FROM_SCTP_SYSCTL 0xc0000000 769283650Stuexen#define SCTP_FROM_SCTP_CC_FUNCTIONS 0xd0000000 770165220Srrs 771165220Srrs/* Location ID's */ 772165220Srrs#define SCTP_LOC_1 0x00000001 773165220Srrs#define SCTP_LOC_2 0x00000002 774165220Srrs#define SCTP_LOC_3 0x00000003 775165220Srrs#define SCTP_LOC_4 0x00000004 776165220Srrs#define SCTP_LOC_5 0x00000005 777165220Srrs#define SCTP_LOC_6 0x00000006 778165220Srrs#define SCTP_LOC_7 0x00000007 779165220Srrs#define SCTP_LOC_8 0x00000008 780165220Srrs#define SCTP_LOC_9 0x00000009 781165220Srrs#define SCTP_LOC_10 0x0000000a 782165220Srrs#define SCTP_LOC_11 0x0000000b 783165220Srrs#define SCTP_LOC_12 0x0000000c 784165220Srrs#define SCTP_LOC_13 0x0000000d 785165220Srrs#define SCTP_LOC_14 0x0000000e 786165220Srrs#define SCTP_LOC_15 0x0000000f 787165220Srrs#define SCTP_LOC_16 0x00000010 788165220Srrs#define SCTP_LOC_17 0x00000011 789165220Srrs#define SCTP_LOC_18 0x00000012 790165220Srrs#define SCTP_LOC_19 0x00000013 791165220Srrs#define SCTP_LOC_20 0x00000014 792165220Srrs#define SCTP_LOC_21 0x00000015 793165220Srrs#define SCTP_LOC_22 0x00000016 794165220Srrs#define SCTP_LOC_23 0x00000017 795165220Srrs#define SCTP_LOC_24 0x00000018 796165220Srrs#define SCTP_LOC_25 0x00000019 797165220Srrs#define SCTP_LOC_26 0x0000001a 798165220Srrs#define SCTP_LOC_27 0x0000001b 799165220Srrs#define SCTP_LOC_28 0x0000001c 800165220Srrs#define SCTP_LOC_29 0x0000001d 801165220Srrs#define SCTP_LOC_30 0x0000001e 802165220Srrs#define SCTP_LOC_31 0x0000001f 803165220Srrs#define SCTP_LOC_32 0x00000020 804169352Srrs#define SCTP_LOC_33 0x00000021 805283650Stuexen#define SCTP_LOC_34 0x00000022 806283650Stuexen#define SCTP_LOC_35 0x00000023 807360759Stuexen#define SCTP_LOC_36 0x00000024 808165220Srrs 809165220Srrs/* Free assoc codes */ 810165220Srrs#define SCTP_NORMAL_PROC 0 811165220Srrs#define SCTP_PCBFREE_NOFORCE 1 812165220Srrs#define SCTP_PCBFREE_FORCE 2 813165220Srrs 814165220Srrs/* From codes for adding addresses */ 815165220Srrs#define SCTP_ADDR_IS_CONFIRMED 8 816165220Srrs#define SCTP_ADDR_DYNAMIC_ADDED 6 817165220Srrs#define SCTP_IN_COOKIE_PROC 100 818165220Srrs#define SCTP_ALLOC_ASOC 1 819165220Srrs#define SCTP_LOAD_ADDR_2 2 820165220Srrs#define SCTP_LOAD_ADDR_3 3 821165220Srrs#define SCTP_LOAD_ADDR_4 4 822165220Srrs#define SCTP_LOAD_ADDR_5 5 823165220Srrs 824165220Srrs#define SCTP_DONOT_SETSCOPE 0 825165220Srrs#define SCTP_DO_SETSCOPE 1 826165220Srrs 827165220Srrs 828163953Srrs/* This value determines the default for when 829163953Srrs * we try to add more on the send queue., if 830163953Srrs * there is room. This prevents us from cycling 831163953Srrs * into the copy_resume routine to often if 832163953Srrs * we have not got enough space to add a decent 833163953Srrs * enough size message. Note that if we have enough 834163953Srrs * space to complete the message copy we will always 835163953Srrs * add to the message, no matter what the size. Its 836163953Srrs * only when we reach the point that we have some left 837163953Srrs * to add, there is only room for part of it that we 838163953Srrs * will use this threshold. Its also a sysctl. 839163953Srrs */ 840163953Srrs#define SCTP_DEFAULT_ADD_MORE 1452 841163953Srrs 842163953Srrs#ifndef SCTP_PCBHASHSIZE 843163953Srrs/* default number of association hash buckets in each endpoint */ 844163953Srrs#define SCTP_PCBHASHSIZE 256 845163953Srrs#endif 846163953Srrs#ifndef SCTP_TCBHASHSIZE 847163953Srrs#define SCTP_TCBHASHSIZE 1024 848163953Srrs#endif 849163953Srrs 850163953Srrs#ifndef SCTP_CHUNKQUEUE_SCALE 851163953Srrs#define SCTP_CHUNKQUEUE_SCALE 10 852163953Srrs#endif 853163953Srrs 854163953Srrs/* clock variance is 1 ms */ 855163953Srrs#define SCTP_CLOCK_GRANULARITY 1 856163953Srrs#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 857163953Srrs * detracts a small amount for ipv4 but it 858163953Srrs * simplifies the ipv6 addition */ 859163953Srrs 860169380Srrs/* Argument magic number for sctp_inpcb_free() */ 861169380Srrs 862169380Srrs/* third argument */ 863169380Srrs#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 864169380Srrs#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 865208879Srrs#define SCTP_CALLED_FROM_INPKILL_TIMER 2 866169380Srrs/* second argument */ 867169380Srrs#define SCTP_FREE_SHOULD_USE_ABORT 1 868169380Srrs#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 869169380Srrs 870163953Srrs#ifndef IPPROTO_SCTP 871163953Srrs#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 872163953Srrs#endif /* !IPPROTO_SCTP */ 873163953Srrs 874163953Srrs#define SCTP_MAX_DATA_BUNDLING 256 875163953Srrs 876163953Srrs/* modular comparison */ 877216825Stuexen/* See RFC 1982 for details. */ 878297662Srrs#define SCTP_UINT16_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \ 879297662Srrs ((a > b) && ((uint16_t)(a - b) < (1U<<15)))) 880297662Srrs#define SCTP_UINT16_GE(a, b) (SCTP_UINT16_GT(a, b) || (a == b)) 881297662Srrs#define SCTP_UINT32_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \ 882297662Srrs ((a > b) && ((uint32_t)(a - b) < (1U<<31)))) 883297662Srrs#define SCTP_UINT32_GE(a, b) (SCTP_UINT32_GT(a, b) || (a == b)) 884163953Srrs 885297662Srrs#define SCTP_SSN_GT(a, b) SCTP_UINT16_GT(a, b) 886297662Srrs#define SCTP_SSN_GE(a, b) SCTP_UINT16_GE(a, b) 887297662Srrs#define SCTP_TSN_GT(a, b) SCTP_UINT32_GT(a, b) 888297662Srrs#define SCTP_TSN_GE(a, b) SCTP_UINT32_GE(a, b) 889310219Stuexen#define SCTP_MID_GT(i, a, b) (((i) == 1) ? SCTP_UINT32_GT(a, b) : SCTP_UINT16_GT((uint16_t)a, (uint16_t)b)) 890310219Stuexen#define SCTP_MID_GE(i, a, b) (((i) == 1) ? SCTP_UINT32_GE(a, b) : SCTP_UINT16_GE((uint16_t)a, (uint16_t)b)) 891310219Stuexen#define SCTP_MID_EQ(i, a, b) (((i) == 1) ? a == b : (uint16_t)a == (uint16_t)b) 892297662Srrs 893163953Srrs/* Mapping array manipulation routines */ 894163953Srrs#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 895163953Srrs#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 896163953Srrs#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 897206137Stuexen#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \ 898206137Stuexen if (tsn >= mapping_tsn) { \ 899206137Stuexen gap = tsn - mapping_tsn; \ 900206137Stuexen } else { \ 901206137Stuexen gap = (MAX_TSN - mapping_tsn) + tsn + 1; \ 902206137Stuexen } \ 903228907Stuexen } while (0) 904163953Srrs 905163953Srrs 906168124Srrs#define SCTP_RETRAN_DONE -1 907168124Srrs#define SCTP_RETRAN_EXIT -2 908168124Srrs 909163953Srrs/* 910163953Srrs * This value defines the number of vtag block time wait entry's per list 911163953Srrs * element. Each entry will take 2 4 byte ints (and of course the overhead 912163953Srrs * of the next pointer as well). Using 15 as an example will yield * ((8 * 913163953Srrs * 15) + 8) or 128 bytes of overhead for each timewait block that gets 914298942Spfg * initialized. Increasing it to 31 would yield 256 bytes per block. 915163953Srrs */ 916163953Srrs#define SCTP_NUMBER_IN_VTAG_BLOCK 15 917163953Srrs/* 918163953Srrs * If we use the STACK option, we have an array of this size head pointers. 919163953Srrs * This array is mod'd the with the size to find which bucket and then all 920163953Srrs * entries must be searched to see if the tag is in timed wait. If so we 921163953Srrs * reject it. 922163953Srrs */ 923184883Srrs#define SCTP_STACK_VTAG_HASH_SIZE 32 924163953Srrs 925163953Srrs/* 926173179Srrs * Number of seconds of time wait for a vtag. 927163953Srrs */ 928173179Srrs#define SCTP_TIME_WAIT 60 929163953Srrs 930218186Srrs/* How many micro seconds is the cutoff from 931218186Srrs * local lan type rtt's 932218186Srrs */ 933218186Srrs /* 934219120Srrs * We allow 900us for the rtt. 935218186Srrs */ 936219120Srrs#define SCTP_LOCAL_LAN_RTT 900 937218186Srrs#define SCTP_LAN_UNKNOWN 0 938218186Srrs#define SCTP_LAN_LOCAL 1 939218186Srrs#define SCTP_LAN_INTERNET 2 940218186Srrs 941212799Stuexen#define SCTP_SEND_BUFFER_SPLITTING 0x00000001 942212799Stuexen#define SCTP_RECV_BUFFER_SPLITTING 0x00000002 943212799Stuexen 944163953Srrs/* The system retains a cache of free chunks such to 945163953Srrs * cut down on calls the memory allocation system. There 946163953Srrs * is a per association limit of free items and a overall 947163953Srrs * system limit. If either one gets hit then the resource 948163953Srrs * stops being cached. 949163953Srrs */ 950163953Srrs 951163953Srrs#define SCTP_DEF_ASOC_RESC_LIMIT 10 952163953Srrs#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 953163953Srrs 954172090Srrs/*- 955172090Srrs * defines for socket lock states. 956172090Srrs * Used by __APPLE__ and SCTP_SO_LOCK_TESTING 957172090Srrs */ 958172090Srrs#define SCTP_SO_LOCKED 1 959172090Srrs#define SCTP_SO_NOT_LOCKED 0 960163953Srrs 961172090Srrs 962172091Srrs/*- 963172091Srrs * For address locks, do we hold the lock? 964172091Srrs */ 965172091Srrs#define SCTP_ADDR_LOCKED 1 966172091Srrs#define SCTP_ADDR_NOT_LOCKED 0 967172091Srrs 968163953Srrs#define IN4_ISPRIVATE_ADDRESS(a) \ 969166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 970166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 971166675Srrs (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 972166675Srrs (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 973166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 974166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 168))) 975163953Srrs 976163953Srrs#define IN4_ISLOOPBACK_ADDRESS(a) \ 977295549Stuexen (((uint8_t *)&(a)->s_addr)[0] == 127) 978163953Srrs 979248953Stuexen#define IN4_ISLINKLOCAL_ADDRESS(a) \ 980248953Stuexen ((((uint8_t *)&(a)->s_addr)[0] == 169) && \ 981248953Stuexen (((uint8_t *)&(a)->s_addr)[1] == 254)) 982163953Srrs 983343437Stuexen/* Maximum size of optval for IPPROTO_SCTP level socket options. */ 984343437Stuexen#define SCTP_SOCKET_OPTION_LIMIT (64 * 1024) 985248953Stuexen 986343437Stuexen 987163953Srrs#if defined(_KERNEL) 988228653Stuexen#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 989228653Stuexen#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 990180387Srrs#endif 991163953Srrs 992180387Srrs#if defined(_KERNEL) || defined(__Userspace__) 993163953Srrs#define sctp_sowwakeup(inp, so) \ 994163953Srrsdo { \ 995163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 996163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 997163953Srrs } else { \ 998163953Srrs sowwakeup(so); \ 999163953Srrs } \ 1000163953Srrs} while (0) 1001163953Srrs 1002163953Srrs#define sctp_sowwakeup_locked(inp, so) \ 1003163953Srrsdo { \ 1004163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1005163953Srrs SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1006163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1007163953Srrs } else { \ 1008163953Srrs sowwakeup_locked(so); \ 1009163953Srrs } \ 1010163953Srrs} while (0) 1011163953Srrs 1012163953Srrs#define sctp_sorwakeup(inp, so) \ 1013163953Srrsdo { \ 1014163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1015163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1016163953Srrs } else { \ 1017163953Srrs sorwakeup(so); \ 1018163953Srrs } \ 1019163953Srrs} while (0) 1020163953Srrs 1021163953Srrs#define sctp_sorwakeup_locked(inp, so) \ 1022163953Srrsdo { \ 1023163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1024163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1025163953Srrs SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1026163953Srrs } else { \ 1027163953Srrs sorwakeup_locked(so); \ 1028163953Srrs } \ 1029163953Srrs} while (0) 1030163953Srrs 1031180387Srrs#endif /* _KERNEL || __Userspace__ */ 1032163953Srrs#endif 1033