1163953Srrs/*- 2185694Srrs * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3237896Stuexen * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4237896Stuexen * 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, 10231038Stuexen * 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 14231038Stuexen * 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("$FreeBSD$"); 35163953Srrs 36237896Stuexen#ifndef _NETINET_SCTP_CONSTANTS_H_ 37237896Stuexen#define _NETINET_SCTP_CONSTANTS_H_ 38163953Srrs 39266182Stuexen 40179157Srrs/* IANA assigned port number for SCTP over UDP encapsulation */ 41266182Stuexen#define SCTP_OVER_UDP_TUNNELING_PORT 9899 42266182Stuexen 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 69167598Srrs/* Number of addresses where we just skip the counting */ 70167598Srrs#define SCTP_COUNT_LIMIT 40 71167598Srrs 72170056Srrs#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 73170181Srrs#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 74170056Srrs 75167598Srrs/* Number of ticks to delay before running 76167598Srrs * iterator on an address change. 77167598Srrs */ 78167598Srrs#define SCTP_ADDRESS_TICK_DELAY 2 79167598Srrs 80163953Srrs#define SCTP_VERSION_STRING "KAME-BSD 1.1" 81163953Srrs/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 82163953Srrs#define SCTP_AUDIT_SIZE 256 83163953Srrs 84167598Srrs 85167598Srrs#define SCTP_KTRHEAD_NAME "sctp_iterator" 86199866Stuexen#define SCTP_KTHREAD_PAGES 0 87167598Srrs 88218211Srrs#define SCTP_MCORE_NAME "sctp_core_worker" 89167598Srrs 90218211Srrs 91167598Srrs/* If you support Multi-VRF how big to 92167598Srrs * make the initial array of VRF's to. 93167598Srrs */ 94167598Srrs#define SCTP_DEFAULT_VRF_SIZE 4 95167598Srrs 96171477Srrs/* constants for rto calc */ 97171477Srrs#define sctp_align_safe_nocopy 0 98171477Srrs#define sctp_align_unsafe_makecopy 1 99171477Srrs 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 270163953Srrs/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 271167598Srrs#define SCTP_DEFAULT_AUTO_ASCONF 1 272163953Srrs 273179157Srrs/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 274179157Srrs#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 275179157Srrs 276171990Srrs/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */ 277171990Srrs#define SCTP_DEFAULT_MOBILITY_BASE 0 278171990Srrs 279171990Srrs/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */ 280171990Srrs#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0 281171990Srrs 282163953Srrs/* 283163953Srrs * Theshold for rwnd updates, we have to read (sb_hiwat >> 284163953Srrs * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 285163953Srrs * window update sack. When we look, we compare the last rwnd we sent vs the 286163953Srrs * current rwnd. It too must be greater than this value. Using 3 divdes the 287163953Srrs * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 288163953Srrs * to read 8k. This seems about right.. I hope :-D.. we do set a 289163953Srrs * min of a MTU on it so if the rwnd is real small we will insist 290163953Srrs * on a full MTU of 1500 bytes. 291163953Srrs */ 292163953Srrs#define SCTP_RWND_HIWAT_SHIFT 3 293163953Srrs 294163953Srrs/* How much of the rwnd must the 295163953Srrs * message be taking up to start partial delivery. 296163953Srrs * We calculate this by shifing the hi_water (recv_win) 297163953Srrs * left the following .. set to 1, when a message holds 298163953Srrs * 1/2 the rwnd. If we set it to 2 when a message holds 299163953Srrs * 1/4 the rwnd...etc.. 300163953Srrs */ 301163953Srrs 302163953Srrs#define SCTP_PARTIAL_DELIVERY_SHIFT 1 303163953Srrs 304163953Srrs/* 305163953Srrs * default HMAC for cookies, etc... use one of the AUTH HMAC id's 306163953Srrs * SCTP_HMAC is the HMAC_ID to use 307163953Srrs * SCTP_SIGNATURE_SIZE is the digest length 308163953Srrs */ 309163953Srrs#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 310163953Srrs#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 311163953Srrs#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 312163953Srrs 313163953Srrs/* 314163953Srrs * the SCTP protocol signature this includes the version number encoded in 315163953Srrs * the last 4 bits of the signature. 316163953Srrs */ 317163953Srrs#define PROTO_SIGNATURE_A 0x30000000 318163953Srrs#define SCTP_VERSION_NUMBER 0x3 319163953Srrs 320163953Srrs#define MAX_TSN 0xffffffff 321163953Srrs 322163953Srrs/* how many executions every N tick's */ 323163953Srrs#define SCTP_ITERATOR_MAX_AT_ONCE 20 324163953Srrs 325163953Srrs/* number of clock ticks between iterator executions */ 326163953Srrs#define SCTP_ITERATOR_TICKS 1 327163953Srrs 328163953Srrs/* 329163953Srrs * option: If you comment out the following you will receive the old behavior 330163953Srrs * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 331163953Srrs * happens right away with-out waiting for the flightsize to drop below the 332163953Srrs * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 333163953Srrs */ 334163953Srrs#define SCTP_IGNORE_CWND_ON_FR 1 335163953Srrs 336163953Srrs/* 337163953Srrs * Adds implementors guide behavior to only use newest highest update in SACK 338163953Srrs * gap ack's to figure out if you need to stroke a chunk for FR. 339163953Srrs */ 340163953Srrs#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 341163953Srrs 342217913Stuexen/* default max I can burst out after a fast retransmit, 0 disables it */ 343237893Stuexen#define SCTP_DEF_MAX_BURST 4 344218186Srrs#define SCTP_DEF_HBMAX_BURST 4 345218186Srrs#define SCTP_DEF_FRMAX_BURST 4 346218186Srrs 347218186Srrs/* RTO calculation flag to say if it 348218186Srrs * is safe to determine local lan or not. 349218186Srrs */ 350219397Srrs#define SCTP_RTT_FROM_NON_DATA 0 351219397Srrs#define SCTP_RTT_FROM_DATA 1 352218186Srrs 353218186Srrs 354163953Srrs/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 355163953Srrs#define SCTP_FIRST_MBUF_RESV 68 356163953Srrs/* Packet transmit states in the sent field */ 357163953Srrs#define SCTP_DATAGRAM_UNSENT 0 358163953Srrs#define SCTP_DATAGRAM_SENT 1 359163953Srrs#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 360163953Srrs * hit this value) */ 361163953Srrs#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 362163953Srrs * hit this value) */ 363163953Srrs#define SCTP_DATAGRAM_RESEND 4 364163953Srrs#define SCTP_DATAGRAM_ACKED 10010 365163953Srrs#define SCTP_DATAGRAM_MARKED 20010 366163953Srrs#define SCTP_FORWARD_TSN_SKIP 30010 367252943Stuexen#define SCTP_DATAGRAM_NR_ACKED 40010 368163953Srrs 369163953Srrs/* chunk output send from locations */ 370163953Srrs#define SCTP_OUTPUT_FROM_USR_SEND 0 371163953Srrs#define SCTP_OUTPUT_FROM_T3 1 372163953Srrs#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 373163953Srrs#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 374163953Srrs#define SCTP_OUTPUT_FROM_SACK_TMR 4 375163953Srrs#define SCTP_OUTPUT_FROM_SHUT_TMR 5 376163953Srrs#define SCTP_OUTPUT_FROM_HB_TMR 6 377163953Srrs#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 378163953Srrs#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 379163953Srrs#define SCTP_OUTPUT_FROM_STRRST_TMR 9 380163953Srrs#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 381163953Srrs#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 382163953Srrs#define SCTP_OUTPUT_FROM_STRRST_REQ 12 383163953Srrs#define SCTP_OUTPUT_FROM_USR_RCVD 13 384164205Srrs#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 385167598Srrs#define SCTP_OUTPUT_FROM_DRAIN 15 386171990Srrs#define SCTP_OUTPUT_FROM_CLOSING 16 387231029Stuexen#define SCTP_OUTPUT_FROM_SOCKOPT 17 388231029Stuexen 389163953Srrs/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 390163953Srrs 391163953Srrs/* align to 32-bit sizes */ 392231039Stuexen#define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2) 393163953Srrs 394163953Srrs#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 395163953Srrs#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 396163953Srrs 397163953Srrs 398163953Srrs/* SCTP parameter types */ 399163953Srrs/*************0x0000 series*************/ 400163953Srrs#define SCTP_HEARTBEAT_INFO 0x0001 401163953Srrs#define SCTP_IPV4_ADDRESS 0x0005 402163953Srrs#define SCTP_IPV6_ADDRESS 0x0006 403163953Srrs#define SCTP_STATE_COOKIE 0x0007 404163953Srrs#define SCTP_UNRECOG_PARAM 0x0008 405163953Srrs#define SCTP_COOKIE_PRESERVE 0x0009 406163953Srrs#define SCTP_HOSTNAME_ADDRESS 0x000b 407163953Srrs#define SCTP_SUPPORTED_ADDRTYPE 0x000c 408163953Srrs 409188854Srrs/* draft-ietf-stewart-tsvwg-strreset-xxx */ 410163953Srrs#define SCTP_STR_RESET_OUT_REQUEST 0x000d 411163953Srrs#define SCTP_STR_RESET_IN_REQUEST 0x000e 412163953Srrs#define SCTP_STR_RESET_TSN_REQUEST 0x000f 413163953Srrs#define SCTP_STR_RESET_RESPONSE 0x0010 414234790Stuexen#define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011 415234790Stuexen#define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012 416163953Srrs 417163953Srrs#define SCTP_MAX_RESET_PARAMS 2 418163953Srrs#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 419163953Srrs 420163953Srrs/*************0x4000 series*************/ 421163953Srrs 422163953Srrs/*************0x8000 series*************/ 423163953Srrs#define SCTP_ECN_CAPABLE 0x8000 424218129Srrs 425163953Srrs/* draft-ietf-tsvwg-auth-xxx */ 426163953Srrs#define SCTP_RANDOM 0x8002 427163953Srrs#define SCTP_CHUNK_LIST 0x8003 428163953Srrs#define SCTP_HMAC_LIST 0x8004 429163953Srrs/* 430163953Srrs * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 431163953Srrs * | Byte Byte | Byte ... 432163953Srrs * 433163953Srrs * Where each byte is a chunk type extension supported. For example, to support 434163953Srrs * all chunks one would have (in hex): 435163953Srrs * 436163953Srrs * 80 01 00 09 C0 C1 80 81 82 00 00 00 437163953Srrs * 438163953Srrs * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 439163953Srrs * = Packet Drop 82 = Stream Reset 83 = Authentication 440163953Srrs */ 441163953Srrs#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 442163953Srrs 443163953Srrs/*************0xC000 series*************/ 444163953Srrs#define SCTP_PRSCTP_SUPPORTED 0xc000 445163953Srrs/* draft-ietf-tsvwg-addip-sctp */ 446163953Srrs#define SCTP_ADD_IP_ADDRESS 0xc001 447163953Srrs#define SCTP_DEL_IP_ADDRESS 0xc002 448163953Srrs#define SCTP_ERROR_CAUSE_IND 0xc003 449163953Srrs#define SCTP_SET_PRIM_ADDR 0xc004 450163953Srrs#define SCTP_SUCCESS_REPORT 0xc005 451163953Srrs#define SCTP_ULP_ADAPTATION 0xc006 452185694Srrs/* behave-nat-draft */ 453185694Srrs#define SCTP_HAS_NAT_SUPPORT 0xc007 454185694Srrs#define SCTP_NAT_VTAGS 0xc008 455163953Srrs 456163953Srrs/* bits for TOS field */ 457163953Srrs#define SCTP_ECT0_BIT 0x02 458163953Srrs#define SCTP_ECT1_BIT 0x01 459163953Srrs#define SCTP_CE_BITS 0x03 460163953Srrs 461163953Srrs/* below turns off above */ 462163953Srrs#define SCTP_FLEXIBLE_ADDRESS 0x20 463163953Srrs#define SCTP_NO_HEARTBEAT 0x40 464163953Srrs 465163953Srrs/* mask to get sticky */ 466163953Srrs#define SCTP_STICKY_OPTIONS_MASK 0x0c 467163953Srrs 468163953Srrs 469163953Srrs/* 470163953Srrs * SCTP states for internal state machine XXX (should match "user" values) 471163953Srrs */ 472163953Srrs#define SCTP_STATE_EMPTY 0x0000 473163953Srrs#define SCTP_STATE_INUSE 0x0001 474163953Srrs#define SCTP_STATE_COOKIE_WAIT 0x0002 475163953Srrs#define SCTP_STATE_COOKIE_ECHOED 0x0004 476163953Srrs#define SCTP_STATE_OPEN 0x0008 477163953Srrs#define SCTP_STATE_SHUTDOWN_SENT 0x0010 478163953Srrs#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 479163953Srrs#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 480163953Srrs#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 481163953Srrs#define SCTP_STATE_CLOSED_SOCKET 0x0100 482163953Srrs#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 483163953Srrs#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 484171745Srrs#define SCTP_STATE_WAS_ABORTED 0x0800 485207924Srrs#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000 486163953Srrs#define SCTP_STATE_MASK 0x007f 487163953Srrs 488163953Srrs#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 489171943Srrs#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate) 490172703Srrs#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate) 491172703Srrs#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate) 492163953Srrs 493163953Srrs/* SCTP reachability state for each address */ 494163953Srrs#define SCTP_ADDR_REACHABLE 0x001 495225635Stuexen#define SCTP_ADDR_NO_PMTUD 0x002 496163953Srrs#define SCTP_ADDR_NOHB 0x004 497163953Srrs#define SCTP_ADDR_BEING_DELETED 0x008 498163953Srrs#define SCTP_ADDR_NOT_IN_ASSOC 0x010 499163953Srrs#define SCTP_ADDR_OUT_OF_SCOPE 0x080 500163953Srrs#define SCTP_ADDR_UNCONFIRMED 0x200 501167598Srrs#define SCTP_ADDR_REQ_PRIMARY 0x400 502171440Srrs/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 503217635Srrs#define SCTP_ADDR_PF 0x800 504163953Srrs 505163953Srrs/* bound address types (e.g. valid address types to allow) */ 506163953Srrs#define SCTP_BOUND_V6 0x01 507163953Srrs#define SCTP_BOUND_V4 0x02 508163953Srrs 509163953Srrs/* 510163953Srrs * what is the default number of mbufs in a chain I allow before switching to 511163953Srrs * a cluster 512163953Srrs */ 513163953Srrs#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 514163953Srrs 515169655Srrs/* How long a cookie lives in milli-seconds */ 516169655Srrs#define SCTP_DEFAULT_COOKIE_LIFE 60000 517163953Srrs 518163953Srrs/* Maximum the mapping array will grow to (TSN mapping array) */ 519163953Srrs#define SCTP_MAPPING_ARRAY 512 520163953Srrs 521163953Srrs/* size of the inital malloc on the mapping array */ 522163953Srrs#define SCTP_INITIAL_MAPPING_ARRAY 16 523163953Srrs/* how much we grow the mapping array each call */ 524163953Srrs#define SCTP_MAPPING_ARRAY_INCR 32 525206137Stuexen 526163953Srrs/* 527163953Srrs * Here we define the timer types used by the implementation as arguments in 528163953Srrs * the set/get timer type calls. 529163953Srrs */ 530163953Srrs#define SCTP_TIMER_INIT 0 531163953Srrs#define SCTP_TIMER_RECV 1 532163953Srrs#define SCTP_TIMER_SEND 2 533163953Srrs#define SCTP_TIMER_HEARTBEAT 3 534163953Srrs#define SCTP_TIMER_PMTU 4 535163953Srrs#define SCTP_TIMER_MAXSHUTDOWN 5 536163953Srrs#define SCTP_TIMER_SIGNATURE 6 537163953Srrs/* 538163953Srrs * number of timer types in the base SCTP structure used in the set/get and 539163953Srrs * has the base default. 540163953Srrs */ 541163953Srrs#define SCTP_NUM_TMRS 7 542163953Srrs 543163953Srrs/* timer types */ 544163953Srrs#define SCTP_TIMER_TYPE_NONE 0 545163953Srrs#define SCTP_TIMER_TYPE_SEND 1 546163953Srrs#define SCTP_TIMER_TYPE_INIT 2 547163953Srrs#define SCTP_TIMER_TYPE_RECV 3 548163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWN 4 549163953Srrs#define SCTP_TIMER_TYPE_HEARTBEAT 5 550163953Srrs#define SCTP_TIMER_TYPE_COOKIE 6 551163953Srrs#define SCTP_TIMER_TYPE_NEWCOOKIE 7 552163953Srrs#define SCTP_TIMER_TYPE_PATHMTURAISE 8 553163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 554163953Srrs#define SCTP_TIMER_TYPE_ASCONF 10 555163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 556163953Srrs#define SCTP_TIMER_TYPE_AUTOCLOSE 12 557163953Srrs#define SCTP_TIMER_TYPE_EVENTWAKE 13 558163953Srrs#define SCTP_TIMER_TYPE_STRRESET 14 559163953Srrs#define SCTP_TIMER_TYPE_INPKILL 15 560224641Stuexen#define SCTP_TIMER_TYPE_ASOCKILL 16 561224641Stuexen#define SCTP_TIMER_TYPE_ADDR_WQ 17 562224641Stuexen#define SCTP_TIMER_TYPE_ZERO_COPY 18 563224641Stuexen#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 19 564224641Stuexen#define SCTP_TIMER_TYPE_PRIM_DELETED 20 565163953Srrs/* add new timers here - and increment LAST */ 566224641Stuexen#define SCTP_TIMER_TYPE_LAST 21 567163953Srrs 568163953Srrs#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 569163953Srrs ((t) < SCTP_TIMER_TYPE_LAST)) 570163953Srrs 571163953Srrs 572163953Srrs 573163953Srrs/* max number of TSN's dup'd that I will hold */ 574163953Srrs#define SCTP_MAX_DUP_TSNS 20 575163953Srrs 576163953Srrs/* 577163953Srrs * Here we define the types used when setting the retry amounts. 578163953Srrs */ 579163953Srrs/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 580163953Srrs#define SCTP_RETRY_DROPPED_THRESH 4 581163953Srrs 582163953Srrs/* 583163953Srrs * Maxmium number of chunks a single association can have on it. Note that 584163953Srrs * this is a squishy number since the count can run over this if the user 585163953Srrs * sends a large message down .. the fragmented chunks don't count until 586163953Srrs * AFTER the message is on queue.. it would be the next send that blocks 587163953Srrs * things. This number will get tuned up at boot in the sctp_init and use the 588163953Srrs * number of clusters as a base. This way high bandwidth environments will 589163953Srrs * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 590163953Srrs */ 591163953Srrs#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 592163953Srrs 593172091Srrs 594167598Srrs/* The conversion from time to ticks and vice versa is done by rounding 595167598Srrs * upwards. This way we can test in the code the time to be positive and 596167598Srrs * know that this corresponds to a positive number of ticks. 597167598Srrs */ 598167598Srrs#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 599167598Srrs#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 600163953Srrs 601163953Srrs#define SEC_TO_TICKS(x) ((x) * hz) 602167598Srrs#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 603163953Srrs 604163953Srrs/* 605163953Srrs * Basically the minimum amount of time before I do a early FR. Making this 606163953Srrs * value to low will cause duplicate retransmissions. 607163953Srrs */ 608163953Srrs#define SCTP_MINFR_MSEC_TIMER 250 609163953Srrs/* The floor this value is allowed to fall to when starting a timer. */ 610163953Srrs#define SCTP_MINFR_MSEC_FLOOR 20 611163953Srrs 612163953Srrs/* init timer def = 1 sec */ 613163953Srrs#define SCTP_INIT_SEC 1 614163953Srrs 615163953Srrs/* send timer def = 1 seconds */ 616163953Srrs#define SCTP_SEND_SEC 1 617163953Srrs 618163953Srrs/* recv timer def = 200ms */ 619163953Srrs#define SCTP_RECV_MSEC 200 620163953Srrs 621163953Srrs/* 30 seconds + RTO (in ms) */ 622163953Srrs#define SCTP_HB_DEFAULT_MSEC 30000 623163953Srrs 624163953Srrs/* Max time I will wait for Shutdown to complete */ 625163953Srrs#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 626163953Srrs 627163953Srrs 628163953Srrs/* 629163953Srrs * This is how long a secret lives, NOT how long a cookie lives how many 630163953Srrs * ticks the current secret will live. 631163953Srrs */ 632163953Srrs#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 633163953Srrs 634163953Srrs#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 635224641Stuexen#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */ 636163953Srrs#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 637163953Srrs 638163953Srrs 639163953Srrs#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 640163953Srrs#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 641163953Srrs 642224641Stuexen#define SCTP_DEF_MAX_INIT 8 643224641Stuexen#define SCTP_DEF_MAX_SEND 10 644224641Stuexen#define SCTP_DEF_MAX_PATH_RTX 5 645224641Stuexen#define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX 646163953Srrs 647163953Srrs#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 648163953Srrs 649170056Srrs 650163953Srrs/* How many streams I request initally by default */ 651163953Srrs#define SCTP_OSTREAM_INITIAL 10 652252978Stuexen#define SCTP_ISTREAM_INITIAL 2048 653163953Srrs 654163953Srrs/* 655163953Srrs * How many smallest_mtu's need to increase before a window update sack is 656163953Srrs * sent (should be a power of 2). 657163953Srrs */ 658163953Srrs/* Send window update (incr * this > hiwat). Should be a power of 2 */ 659163953Srrs#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 660163953Srrs 661224641Stuexen#define SCTP_ADDRMAX 16 662163953Srrs 663163953Srrs/* SCTP DEBUG Switch parameters */ 664163953Srrs#define SCTP_DEBUG_TIMER1 0x00000001 665170181Srrs#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 666170181Srrs#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 667163953Srrs#define SCTP_DEBUG_TIMER4 0x00000008 668163953Srrs#define SCTP_DEBUG_OUTPUT1 0x00000010 669163953Srrs#define SCTP_DEBUG_OUTPUT2 0x00000020 670163953Srrs#define SCTP_DEBUG_OUTPUT3 0x00000040 671163953Srrs#define SCTP_DEBUG_OUTPUT4 0x00000080 672163953Srrs#define SCTP_DEBUG_UTIL1 0x00000100 673170181Srrs#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 674163953Srrs#define SCTP_DEBUG_AUTH1 0x00000400 675170181Srrs#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 676163953Srrs#define SCTP_DEBUG_INPUT1 0x00001000 677163953Srrs#define SCTP_DEBUG_INPUT2 0x00002000 678163953Srrs#define SCTP_DEBUG_INPUT3 0x00004000 679170181Srrs#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 680163953Srrs#define SCTP_DEBUG_ASCONF1 0x00010000 681163953Srrs#define SCTP_DEBUG_ASCONF2 0x00020000 682170181Srrs#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 683170181Srrs#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 684163953Srrs#define SCTP_DEBUG_PCB1 0x00100000 685170181Srrs#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 686163953Srrs#define SCTP_DEBUG_PCB3 0x00400000 687172266Srrs#define SCTP_DEBUG_PCB4 0x00800000 688163953Srrs#define SCTP_DEBUG_INDATA1 0x01000000 689170181Srrs#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 690170181Srrs#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 691188067Srrs#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 692170181Srrs#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 693170181Srrs#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 694163953Srrs#define SCTP_DEBUG_PEEL1 0x40000000 695170181Srrs#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 696163953Srrs#define SCTP_DEBUG_ALL 0x7ff3ffff 697163953Srrs#define SCTP_DEBUG_NOISY 0x00040000 698163953Srrs 699163953Srrs/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 700163953Srrs#define SCTP_SWS_SENDER_DEF 1420 701163953Srrs 702163953Srrs/* 703163953Srrs * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 704163953Srrs * would be hiwat/2 etc. 705163953Srrs */ 706163953Srrs/* What receiver needs to see in sockbuf or we tell peer its 1 */ 707163953Srrs#define SCTP_SWS_RECEIVER_DEF 3000 708163953Srrs 709163953Srrs#define SCTP_INITIAL_CWND 4380 710163953Srrs 711188067Srrs#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 712163953Srrs/* amount peer is obligated to have in rwnd or I will abort */ 713163953Srrs#define SCTP_MIN_RWND 1500 714163953Srrs 715163953Srrs#define SCTP_DEFAULT_MAXSEGMENT 65535 716163953Srrs 717170642Srrs#define SCTP_CHUNK_BUFFER_SIZE 512 718166675Srrs#define SCTP_PARAM_BUFFER_SIZE 512 719163953Srrs 720171990Srrs/* small chunk store for looking at chunk_list in auth */ 721171990Srrs#define SCTP_SMALL_CHUNK_STORE 260 722171990Srrs 723163953Srrs#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 724163953Srrs 725163953Srrs#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 726163953Srrs#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 727163953Srrs 728163953Srrs 729163953Srrs/* 730163953Srrs * SCTP upper layer notifications 731163953Srrs */ 732185694Srrs#define SCTP_NOTIFY_ASSOC_UP 1 733185694Srrs#define SCTP_NOTIFY_ASSOC_DOWN 2 734185694Srrs#define SCTP_NOTIFY_INTERFACE_DOWN 3 735185694Srrs#define SCTP_NOTIFY_INTERFACE_UP 4 736237889Stuexen#define SCTP_NOTIFY_SENT_DG_FAIL 5 737237889Stuexen#define SCTP_NOTIFY_UNSENT_DG_FAIL 6 738237889Stuexen#define SCTP_NOTIFY_SPECIAL_SP_FAIL 7 739237889Stuexen#define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8 740237889Stuexen#define SCTP_NOTIFY_ASSOC_REM_ABORTED 9 741237889Stuexen#define SCTP_NOTIFY_ASSOC_RESTART 10 742237889Stuexen#define SCTP_NOTIFY_PEER_SHUTDOWN 11 743237889Stuexen#define SCTP_NOTIFY_ASCONF_ADD_IP 12 744237889Stuexen#define SCTP_NOTIFY_ASCONF_DELETE_IP 13 745237889Stuexen#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14 746237889Stuexen#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15 747237889Stuexen#define SCTP_NOTIFY_INTERFACE_CONFIRMED 16 748237889Stuexen#define SCTP_NOTIFY_STR_RESET_RECV 17 749237889Stuexen#define SCTP_NOTIFY_STR_RESET_SEND 18 750237889Stuexen#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19 751237889Stuexen#define SCTP_NOTIFY_STR_RESET_FAILED_IN 20 752237889Stuexen#define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21 753237889Stuexen#define SCTP_NOTIFY_STR_RESET_DENIED_IN 22 754237889Stuexen#define SCTP_NOTIFY_AUTH_NEW_KEY 23 755237889Stuexen#define SCTP_NOTIFY_AUTH_FREE_KEY 24 756237889Stuexen#define SCTP_NOTIFY_NO_PEER_AUTH 25 757237889Stuexen#define SCTP_NOTIFY_SENDER_DRY 26 758237890Stuexen#define SCTP_NOTIFY_REMOTE_ERROR 27 759163953Srrs 760163953Srrs/* This is the value for messages that are NOT completely 761163953Srrs * copied down where we will start to split the message. 762163953Srrs * So, with our default, we split only if the piece we 763163953Srrs * want to take will fill up a full MTU (assuming 764163953Srrs * a 1500 byte MTU). 765163953Srrs */ 766168124Srrs#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 767163953Srrs 768266181Stuexen/* Maximum length of diagnostic information in error causes */ 769266181Stuexen#define SCTP_DIAG_INFO_LEN 64 770266181Stuexen 771165220Srrs/* ABORT CODES and other tell-tale location 772165220Srrs * codes are generated by adding the below 773165220Srrs * to the instance id. 774165220Srrs */ 775165220Srrs 776165220Srrs/* File defines */ 777165220Srrs#define SCTP_FROM_SCTP_INPUT 0x10000000 778165220Srrs#define SCTP_FROM_SCTP_PCB 0x20000000 779165220Srrs#define SCTP_FROM_SCTP_INDATA 0x30000000 780165220Srrs#define SCTP_FROM_SCTP_TIMER 0x40000000 781165220Srrs#define SCTP_FROM_SCTP_USRREQ 0x50000000 782165220Srrs#define SCTP_FROM_SCTPUTIL 0x60000000 783165220Srrs#define SCTP_FROM_SCTP6_USRREQ 0x70000000 784165220Srrs#define SCTP_FROM_SCTP_ASCONF 0x80000000 785165220Srrs#define SCTP_FROM_SCTP_OUTPUT 0x90000000 786165220Srrs#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 787170056Srrs#define SCTP_FROM_SCTP_PANDA 0xb0000000 788171943Srrs#define SCTP_FROM_SCTP_SYSCTL 0xc0000000 789165220Srrs 790165220Srrs/* Location ID's */ 791165220Srrs#define SCTP_LOC_1 0x00000001 792165220Srrs#define SCTP_LOC_2 0x00000002 793165220Srrs#define SCTP_LOC_3 0x00000003 794165220Srrs#define SCTP_LOC_4 0x00000004 795165220Srrs#define SCTP_LOC_5 0x00000005 796165220Srrs#define SCTP_LOC_6 0x00000006 797165220Srrs#define SCTP_LOC_7 0x00000007 798165220Srrs#define SCTP_LOC_8 0x00000008 799165220Srrs#define SCTP_LOC_9 0x00000009 800165220Srrs#define SCTP_LOC_10 0x0000000a 801165220Srrs#define SCTP_LOC_11 0x0000000b 802165220Srrs#define SCTP_LOC_12 0x0000000c 803165220Srrs#define SCTP_LOC_13 0x0000000d 804165220Srrs#define SCTP_LOC_14 0x0000000e 805165220Srrs#define SCTP_LOC_15 0x0000000f 806165220Srrs#define SCTP_LOC_16 0x00000010 807165220Srrs#define SCTP_LOC_17 0x00000011 808165220Srrs#define SCTP_LOC_18 0x00000012 809165220Srrs#define SCTP_LOC_19 0x00000013 810165220Srrs#define SCTP_LOC_20 0x00000014 811165220Srrs#define SCTP_LOC_21 0x00000015 812165220Srrs#define SCTP_LOC_22 0x00000016 813165220Srrs#define SCTP_LOC_23 0x00000017 814165220Srrs#define SCTP_LOC_24 0x00000018 815165220Srrs#define SCTP_LOC_25 0x00000019 816165220Srrs#define SCTP_LOC_26 0x0000001a 817165220Srrs#define SCTP_LOC_27 0x0000001b 818165220Srrs#define SCTP_LOC_28 0x0000001c 819165220Srrs#define SCTP_LOC_29 0x0000001d 820165220Srrs#define SCTP_LOC_30 0x0000001e 821165220Srrs#define SCTP_LOC_31 0x0000001f 822165220Srrs#define SCTP_LOC_32 0x00000020 823169352Srrs#define SCTP_LOC_33 0x00000021 824165220Srrs 825165220Srrs 826165220Srrs/* Free assoc codes */ 827165220Srrs#define SCTP_NORMAL_PROC 0 828165220Srrs#define SCTP_PCBFREE_NOFORCE 1 829165220Srrs#define SCTP_PCBFREE_FORCE 2 830165220Srrs 831165220Srrs/* From codes for adding addresses */ 832165220Srrs#define SCTP_ADDR_IS_CONFIRMED 8 833165220Srrs#define SCTP_ADDR_DYNAMIC_ADDED 6 834165220Srrs#define SCTP_IN_COOKIE_PROC 100 835165220Srrs#define SCTP_ALLOC_ASOC 1 836165220Srrs#define SCTP_LOAD_ADDR_2 2 837165220Srrs#define SCTP_LOAD_ADDR_3 3 838165220Srrs#define SCTP_LOAD_ADDR_4 4 839165220Srrs#define SCTP_LOAD_ADDR_5 5 840165220Srrs 841165220Srrs#define SCTP_DONOT_SETSCOPE 0 842165220Srrs#define SCTP_DO_SETSCOPE 1 843165220Srrs 844165220Srrs 845163953Srrs/* This value determines the default for when 846163953Srrs * we try to add more on the send queue., if 847163953Srrs * there is room. This prevents us from cycling 848163953Srrs * into the copy_resume routine to often if 849163953Srrs * we have not got enough space to add a decent 850163953Srrs * enough size message. Note that if we have enough 851163953Srrs * space to complete the message copy we will always 852163953Srrs * add to the message, no matter what the size. Its 853163953Srrs * only when we reach the point that we have some left 854163953Srrs * to add, there is only room for part of it that we 855163953Srrs * will use this threshold. Its also a sysctl. 856163953Srrs */ 857163953Srrs#define SCTP_DEFAULT_ADD_MORE 1452 858163953Srrs 859163953Srrs#ifndef SCTP_PCBHASHSIZE 860163953Srrs/* default number of association hash buckets in each endpoint */ 861163953Srrs#define SCTP_PCBHASHSIZE 256 862163953Srrs#endif 863163953Srrs#ifndef SCTP_TCBHASHSIZE 864163953Srrs#define SCTP_TCBHASHSIZE 1024 865163953Srrs#endif 866163953Srrs 867163953Srrs#ifndef SCTP_CHUNKQUEUE_SCALE 868163953Srrs#define SCTP_CHUNKQUEUE_SCALE 10 869163953Srrs#endif 870163953Srrs 871163953Srrs/* clock variance is 1 ms */ 872163953Srrs#define SCTP_CLOCK_GRANULARITY 1 873163953Srrs#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 874163953Srrs * detracts a small amount for ipv4 but it 875163953Srrs * simplifies the ipv6 addition */ 876163953Srrs 877169380Srrs/* Argument magic number for sctp_inpcb_free() */ 878169380Srrs 879169380Srrs/* third argument */ 880169380Srrs#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 881169380Srrs#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 882208879Srrs#define SCTP_CALLED_FROM_INPKILL_TIMER 2 883169380Srrs/* second argument */ 884169380Srrs#define SCTP_FREE_SHOULD_USE_ABORT 1 885169380Srrs#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 886169380Srrs 887163953Srrs#ifndef IPPROTO_SCTP 888163953Srrs#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 889163953Srrs#endif /* !IPPROTO_SCTP */ 890163953Srrs 891163953Srrs#define SCTP_MAX_DATA_BUNDLING 256 892163953Srrs 893163953Srrs/* modular comparison */ 894216825Stuexen/* See RFC 1982 for details. */ 895218232Srrs#define SCTP_SSN_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \ 896218232Srrs ((a > b) && ((uint16_t)(a - b) < (1U<<15)))) 897216825Stuexen#define SCTP_SSN_GE(a, b) (SCTP_SSN_GT(a, b) || (a == b)) 898218232Srrs#define SCTP_TSN_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \ 899218232Srrs ((a > b) && ((uint32_t)(a - b) < (1U<<31)))) 900216825Stuexen#define SCTP_TSN_GE(a, b) (SCTP_TSN_GT(a, b) || (a == b)) 901163953Srrs 902163953Srrs/* Mapping array manipulation routines */ 903163953Srrs#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 904163953Srrs#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 905163953Srrs#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 906206137Stuexen#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \ 907206137Stuexen if (tsn >= mapping_tsn) { \ 908206137Stuexen gap = tsn - mapping_tsn; \ 909206137Stuexen } else { \ 910206137Stuexen gap = (MAX_TSN - mapping_tsn) + tsn + 1; \ 911206137Stuexen } \ 912231039Stuexen } while (0) 913163953Srrs 914163953Srrs 915168124Srrs#define SCTP_RETRAN_DONE -1 916168124Srrs#define SCTP_RETRAN_EXIT -2 917168124Srrs 918163953Srrs/* 919163953Srrs * This value defines the number of vtag block time wait entry's per list 920163953Srrs * element. Each entry will take 2 4 byte ints (and of course the overhead 921163953Srrs * of the next pointer as well). Using 15 as an example will yield * ((8 * 922163953Srrs * 15) + 8) or 128 bytes of overhead for each timewait block that gets 923163953Srrs * initialized. Increasing it to 31 would yeild 256 bytes per block. 924163953Srrs */ 925163953Srrs#define SCTP_NUMBER_IN_VTAG_BLOCK 15 926163953Srrs/* 927163953Srrs * If we use the STACK option, we have an array of this size head pointers. 928163953Srrs * This array is mod'd the with the size to find which bucket and then all 929163953Srrs * entries must be searched to see if the tag is in timed wait. If so we 930163953Srrs * reject it. 931163953Srrs */ 932184883Srrs#define SCTP_STACK_VTAG_HASH_SIZE 32 933163953Srrs 934163953Srrs/* 935173179Srrs * Number of seconds of time wait for a vtag. 936163953Srrs */ 937173179Srrs#define SCTP_TIME_WAIT 60 938163953Srrs 939218186Srrs/* How many micro seconds is the cutoff from 940218186Srrs * local lan type rtt's 941218186Srrs */ 942218186Srrs /* 943219120Srrs * We allow 900us for the rtt. 944218186Srrs */ 945219120Srrs#define SCTP_LOCAL_LAN_RTT 900 946218186Srrs#define SCTP_LAN_UNKNOWN 0 947218186Srrs#define SCTP_LAN_LOCAL 1 948218186Srrs#define SCTP_LAN_INTERNET 2 949218186Srrs 950212799Stuexen#define SCTP_SEND_BUFFER_SPLITTING 0x00000001 951212799Stuexen#define SCTP_RECV_BUFFER_SPLITTING 0x00000002 952212799Stuexen 953163953Srrs/* The system retains a cache of free chunks such to 954163953Srrs * cut down on calls the memory allocation system. There 955163953Srrs * is a per association limit of free items and a overall 956163953Srrs * system limit. If either one gets hit then the resource 957163953Srrs * stops being cached. 958163953Srrs */ 959163953Srrs 960163953Srrs#define SCTP_DEF_ASOC_RESC_LIMIT 10 961163953Srrs#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 962163953Srrs 963172090Srrs/*- 964172090Srrs * defines for socket lock states. 965172090Srrs * Used by __APPLE__ and SCTP_SO_LOCK_TESTING 966172090Srrs */ 967172090Srrs#define SCTP_SO_LOCKED 1 968172090Srrs#define SCTP_SO_NOT_LOCKED 0 969163953Srrs 970172090Srrs 971172396Srrs#define SCTP_HOLDS_LOCK 1 972172396Srrs#define SCTP_NOT_LOCKED 0 973172396Srrs 974172091Srrs/*- 975172091Srrs * For address locks, do we hold the lock? 976172091Srrs */ 977172091Srrs#define SCTP_ADDR_LOCKED 1 978172091Srrs#define SCTP_ADDR_NOT_LOCKED 0 979172091Srrs 980163953Srrs#define IN4_ISPRIVATE_ADDRESS(a) \ 981166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 982166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 983166675Srrs (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 984166675Srrs (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 985166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 986166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 168))) 987163953Srrs 988163953Srrs#define IN4_ISLOOPBACK_ADDRESS(a) \ 989166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 990166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 991166675Srrs (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 992166675Srrs (((uint8_t *)&(a)->s_addr)[3] == 1)) 993163953Srrs 994252969Stuexen#define IN4_ISLINKLOCAL_ADDRESS(a) \ 995252969Stuexen ((((uint8_t *)&(a)->s_addr)[0] == 169) && \ 996252969Stuexen (((uint8_t *)&(a)->s_addr)[1] == 254)) 997163953Srrs 998252969Stuexen 999163953Srrs#if defined(_KERNEL) 1000231038Stuexen#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 1001231038Stuexen#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 1002180387Srrs#endif 1003163953Srrs 1004180387Srrs#if defined(_KERNEL) || defined(__Userspace__) 1005163953Srrs#define sctp_sowwakeup(inp, so) \ 1006163953Srrsdo { \ 1007163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1008163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1009163953Srrs } else { \ 1010163953Srrs sowwakeup(so); \ 1011163953Srrs } \ 1012163953Srrs} while (0) 1013163953Srrs 1014163953Srrs#define sctp_sowwakeup_locked(inp, so) \ 1015163953Srrsdo { \ 1016163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1017163953Srrs SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1018163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1019163953Srrs } else { \ 1020163953Srrs sowwakeup_locked(so); \ 1021163953Srrs } \ 1022163953Srrs} while (0) 1023163953Srrs 1024163953Srrs#define sctp_sorwakeup(inp, so) \ 1025163953Srrsdo { \ 1026163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1027163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1028163953Srrs } else { \ 1029163953Srrs sorwakeup(so); \ 1030163953Srrs } \ 1031163953Srrs} while (0) 1032163953Srrs 1033163953Srrs#define sctp_sorwakeup_locked(inp, so) \ 1034163953Srrsdo { \ 1035163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1036163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1037163953Srrs SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1038163953Srrs } else { \ 1039163953Srrs sorwakeup_locked(so); \ 1040163953Srrs } \ 1041163953Srrs} while (0) 1042163953Srrs 1043180387Srrs#endif /* _KERNEL || __Userspace__ */ 1044163953Srrs#endif 1045