sctp_constants.h revision 212799
1163953Srrs/*- 2185694Srrs * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3163953Srrs * 4163953Srrs * Redistribution and use in source and binary forms, with or without 5163953Srrs * modification, are permitted provided that the following conditions are met: 6163953Srrs * 7163953Srrs * a) Redistributions of source code must retain the above copyright notice, 8163953Srrs * this list of conditions and the following disclaimer. 9163953Srrs * 10163953Srrs * b) Redistributions in binary form must reproduce the above copyright 11163953Srrs * notice, this list of conditions and the following disclaimer in 12163953Srrs * the documentation and/or other materials provided with the distribution. 13163953Srrs * 14163953Srrs * c) Neither the name of Cisco Systems, Inc. nor the names of its 15163953Srrs * contributors may be used to endorse or promote products derived 16163953Srrs * from this software without specific prior written permission. 17163953Srrs * 18163953Srrs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19163953Srrs * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20163953Srrs * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21163953Srrs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22163953Srrs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23163953Srrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24163953Srrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25163953Srrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26163953Srrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27163953Srrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28163953Srrs * THE POSSIBILITY OF SUCH DAMAGE. 29163953Srrs */ 30163953Srrs 31163953Srrs/* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */ 32163953Srrs 33163953Srrs#include <sys/cdefs.h> 34163953Srrs__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 212799 2010-09-17 16:20:29Z tuexen $"); 35163953Srrs 36163953Srrs#ifndef __sctp_constants_h__ 37163953Srrs#define __sctp_constants_h__ 38163953Srrs 39179157Srrs/* IANA assigned port number for SCTP over UDP encapsulation */ 40188067Srrs/* For freebsd we cannot bind the port at 41188067Srrs * startup. Otherwise what will happen is 42188067Srrs * we really won't be bound. The user must 43188067Srrs * put it into the sysctl... or we need 44188067Srrs * to build a special timer for this to allow 45188067Srrs * us to wait 1 second or so after the system 46188067Srrs * comes up. 47188067Srrs */ 48188067Srrs#define SCTP_OVER_UDP_TUNNELING_PORT 0 49167598Srrs/* Number of packets to get before sack sent by default */ 50167598Srrs#define SCTP_DEFAULT_SACK_FREQ 2 51163953Srrs 52167598Srrs/* Address limit - This variable is calculated 53168299Srrs * based on an 65535 byte max ip packet. We take out 100 bytes 54167598Srrs * for the cookie, 40 bytes for a v6 header and 32 55167598Srrs * bytes for the init structure. A second init structure 56167598Srrs * for the init-ack and then finally a third one for the 57167598Srrs * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 58168299Srrs * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 59168299Srrs * Now whatever we send in the INIT() we need to allow to get back in the 60167598Srrs * INIT-ACK plus all the values from INIT and INIT-ACK 61167598Srrs * listed in the cookie. Plus we need some overhead for 62167598Srrs * maybe copied parameters in the COOKIE. If we 63168299Srrs * allow 1080 addresses, and each side has 1080 V6 addresses 64168299Srrs * that will be 21600 bytes. In the INIT-ACK we will 65168299Srrs * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 66168299Srrs * about 500 bytes slack for misc things in the cookie. 67167598Srrs */ 68168299Srrs#define SCTP_ADDRESS_LIMIT 1080 69167598Srrs 70171990Srrs/* We need at least 2k of space for us, inits 71171990Srrs * larger than that lets abort. 72171990Srrs */ 73171990Srrs#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 74171990Srrs 75167598Srrs/* Number of addresses where we just skip the counting */ 76167598Srrs#define SCTP_COUNT_LIMIT 40 77167598Srrs 78170056Srrs#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 79170181Srrs#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 80170056Srrs 81167598Srrs/* Number of ticks to delay before running 82167598Srrs * iterator on an address change. 83167598Srrs */ 84167598Srrs#define SCTP_ADDRESS_TICK_DELAY 2 85167598Srrs 86163953Srrs#define SCTP_VERSION_STRING "KAME-BSD 1.1" 87163953Srrs/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 88163953Srrs#define SCTP_AUDIT_SIZE 256 89163953Srrs 90167598Srrs 91167598Srrs#define SCTP_KTRHEAD_NAME "sctp_iterator" 92199866Stuexen#define SCTP_KTHREAD_PAGES 0 93167598Srrs 94167598Srrs 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 100171477Srrs/* constants for rto calc */ 101171477Srrs#define sctp_align_safe_nocopy 0 102171477Srrs#define sctp_align_unsafe_makecopy 1 103171477Srrs 104171440Srrs/* JRS - Values defined for the HTCP algorithm */ 105171440Srrs#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 106171440Srrs#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 107171440Srrs#define BETA_MAX 102 /* 0.8 with shift << 7 */ 108171440Srrs 109163953Srrs/* Places that CWND log can happen from */ 110163953Srrs#define SCTP_CWND_LOG_FROM_FR 1 111163953Srrs#define SCTP_CWND_LOG_FROM_RTX 2 112163953Srrs#define SCTP_CWND_LOG_FROM_BRST 3 113163953Srrs#define SCTP_CWND_LOG_FROM_SS 4 114163953Srrs#define SCTP_CWND_LOG_FROM_CA 5 115163953Srrs#define SCTP_CWND_LOG_FROM_SAT 6 116163953Srrs#define SCTP_BLOCK_LOG_INTO_BLK 7 117163953Srrs#define SCTP_BLOCK_LOG_OUTOF_BLK 8 118163953Srrs#define SCTP_BLOCK_LOG_CHECK 9 119163953Srrs#define SCTP_STR_LOG_FROM_INTO_STRD 10 120163953Srrs#define SCTP_STR_LOG_FROM_IMMED_DEL 11 121163953Srrs#define SCTP_STR_LOG_FROM_INSERT_HD 12 122163953Srrs#define SCTP_STR_LOG_FROM_INSERT_MD 13 123163953Srrs#define SCTP_STR_LOG_FROM_INSERT_TL 14 124163953Srrs#define SCTP_STR_LOG_FROM_MARK_TSN 15 125163953Srrs#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 126163953Srrs#define SCTP_FR_LOG_BIGGEST_TSNS 17 127163953Srrs#define SCTP_FR_LOG_STRIKE_TEST 18 128163953Srrs#define SCTP_FR_LOG_STRIKE_CHUNK 19 129163953Srrs#define SCTP_FR_T3_TIMEOUT 20 130163953Srrs#define SCTP_MAP_PREPARE_SLIDE 21 131163953Srrs#define SCTP_MAP_SLIDE_FROM 22 132163953Srrs#define SCTP_MAP_SLIDE_RESULT 23 133163953Srrs#define SCTP_MAP_SLIDE_CLEARED 24 134163953Srrs#define SCTP_MAP_SLIDE_NONE 25 135163953Srrs#define SCTP_FR_T3_MARK_TIME 26 136163953Srrs#define SCTP_FR_T3_MARKED 27 137163953Srrs#define SCTP_FR_T3_STOPPED 28 138163953Srrs#define SCTP_FR_MARKED 30 139163953Srrs#define SCTP_CWND_LOG_NOADV_SS 31 140163953Srrs#define SCTP_CWND_LOG_NOADV_CA 32 141163953Srrs#define SCTP_MAX_BURST_APPLIED 33 142163953Srrs#define SCTP_MAX_IFP_APPLIED 34 143163953Srrs#define SCTP_MAX_BURST_ERROR_STOP 35 144163953Srrs#define SCTP_INCREASE_PEER_RWND 36 145163953Srrs#define SCTP_DECREASE_PEER_RWND 37 146163953Srrs#define SCTP_SET_PEER_RWND_VIA_SACK 38 147163953Srrs#define SCTP_LOG_MBCNT_INCREASE 39 148163953Srrs#define SCTP_LOG_MBCNT_DECREASE 40 149163953Srrs#define SCTP_LOG_MBCNT_CHKSET 41 150163953Srrs#define SCTP_LOG_NEW_SACK 42 151163953Srrs#define SCTP_LOG_TSN_ACKED 43 152163953Srrs#define SCTP_LOG_TSN_REVOKED 44 153163953Srrs#define SCTP_LOG_LOCK_TCB 45 154163953Srrs#define SCTP_LOG_LOCK_INP 46 155163953Srrs#define SCTP_LOG_LOCK_SOCK 47 156163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_R 48 157163953Srrs#define SCTP_LOG_LOCK_SOCKBUF_S 49 158163953Srrs#define SCTP_LOG_LOCK_CREATE 50 159163953Srrs#define SCTP_LOG_INITIAL_RTT 51 160163953Srrs#define SCTP_LOG_RTTVAR 52 161163953Srrs#define SCTP_LOG_SBALLOC 53 162163953Srrs#define SCTP_LOG_SBFREE 54 163163953Srrs#define SCTP_LOG_SBRESULT 55 164163953Srrs#define SCTP_FR_DUPED 56 165163953Srrs#define SCTP_FR_MARKED_EARLY 57 166163953Srrs#define SCTP_FR_CWND_REPORT 58 167163953Srrs#define SCTP_FR_CWND_REPORT_START 59 168163953Srrs#define SCTP_FR_CWND_REPORT_STOP 60 169163953Srrs#define SCTP_CWND_LOG_FROM_SEND 61 170163953Srrs#define SCTP_CWND_INITIALIZATION 62 171163953Srrs#define SCTP_CWND_LOG_FROM_T3 63 172163953Srrs#define SCTP_CWND_LOG_FROM_SACK 64 173163953Srrs#define SCTP_CWND_LOG_NO_CUMACK 65 174163953Srrs#define SCTP_CWND_LOG_FROM_RESEND 66 175163953Srrs#define SCTP_FR_LOG_CHECK_STRIKE 67 176163953Srrs#define SCTP_SEND_NOW_COMPLETES 68 177163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 178163953Srrs#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 179163953Srrs#define SCTP_LOG_FREE_SENT 71 180163953Srrs#define SCTP_NAGLE_APPLIED 72 181163953Srrs#define SCTP_NAGLE_SKIPPED 73 182163953Srrs#define SCTP_WAKESND_FROM_SACK 74 183163953Srrs#define SCTP_WAKESND_FROM_FWDTSN 75 184163953Srrs#define SCTP_NOWAKE_FROM_SACK 76 185163953Srrs#define SCTP_CWNDLOG_PRESEND 77 186163953Srrs#define SCTP_CWNDLOG_ENDSEND 78 187163953Srrs#define SCTP_AT_END_OF_SACK 79 188163953Srrs#define SCTP_REASON_FOR_SC 80 189163953Srrs#define SCTP_BLOCK_LOG_INTO_BLKA 81 190163953Srrs#define SCTP_ENTER_USER_RECV 82 191163953Srrs#define SCTP_USER_RECV_SACKS 83 192163953Srrs#define SCTP_SORECV_BLOCKSA 84 193163953Srrs#define SCTP_SORECV_BLOCKSB 85 194163953Srrs#define SCTP_SORECV_DONE 86 195163953Srrs#define SCTP_SACK_RWND_UPDATE 87 196163953Srrs#define SCTP_SORECV_ENTER 88 197163953Srrs#define SCTP_SORECV_ENTERPL 89 198163953Srrs#define SCTP_MBUF_INPUT 90 199163953Srrs#define SCTP_MBUF_IALLOC 91 200163953Srrs#define SCTP_MBUF_IFREE 92 201163953Srrs#define SCTP_MBUF_ICOPY 93 202178197Srrs#define SCTP_MBUF_SPLIT 94 203178197Srrs#define SCTP_SORCV_FREECTL 95 204178197Srrs#define SCTP_SORCV_DOESCPY 96 205178197Srrs#define SCTP_SORCV_DOESLCK 97 206178197Srrs#define SCTP_SORCV_DOESADJ 98 207178197Srrs#define SCTP_SORCV_BOTWHILE 99 208178197Srrs#define SCTP_SORCV_PASSBF 100 209178197Srrs#define SCTP_SORCV_ADJD 101 210178197Srrs#define SCTP_UNKNOWN_MAX 102 211178197Srrs#define SCTP_RANDY_STUFF 103 212178197Srrs#define SCTP_RANDY_STUFF1 104 213178197Srrs#define SCTP_STRMOUT_LOG_ASSIGN 105 214178197Srrs#define SCTP_STRMOUT_LOG_SEND 106 215178197Srrs#define SCTP_FLIGHT_LOG_DOWN_CA 107 216178197Srrs#define SCTP_FLIGHT_LOG_UP 108 217178197Srrs#define SCTP_FLIGHT_LOG_DOWN_GAP 109 218178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND 110 219178197Srrs#define SCTP_FLIGHT_LOG_UP_RSND 111 220178197Srrs#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 221178197Srrs#define SCTP_FLIGHT_LOG_DOWN_WP 113 222178197Srrs#define SCTP_FLIGHT_LOG_UP_REVOKE 114 223178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 224178197Srrs#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 225178197Srrs#define SCTP_SACK_LOG_NORMAL 117 226178197Srrs#define SCTP_SACK_LOG_EXPRESS 118 227178197Srrs#define SCTP_MAP_TSN_ENTERS 119 228178197Srrs#define SCTP_THRESHOLD_CLEAR 120 229178197Srrs#define SCTP_THRESHOLD_INCR 121 230189371Srrs#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122 231189790Srrs#define SCTP_FWD_TSN_CHECK 123 232189790Srrs#define SCTP_LOG_MAX_TYPES 124 233163953Srrs/* 234170744Srrs * To turn on various logging, you must first enable 'options KTR' and 235170744Srrs * you might want to bump the entires 'options KTR_ENTRIES=80000'. 236170744Srrs * To get something to log you define one of the logging defines. 237170744Srrs * (see LINT). 238163953Srrs * 239170744Srrs * This gets the compile in place, but you still need to turn the 240170744Srrs * logging flag on too in the sysctl (see in sctp.h). 241163953Srrs */ 242171943Srrs 243163953Srrs#define SCTP_LOG_EVENT_UNKNOWN 0 244163953Srrs#define SCTP_LOG_EVENT_CWND 1 245163953Srrs#define SCTP_LOG_EVENT_BLOCK 2 246163953Srrs#define SCTP_LOG_EVENT_STRM 3 247163953Srrs#define SCTP_LOG_EVENT_FR 4 248163953Srrs#define SCTP_LOG_EVENT_MAP 5 249163953Srrs#define SCTP_LOG_EVENT_MAXBURST 6 250163953Srrs#define SCTP_LOG_EVENT_RWND 7 251163953Srrs#define SCTP_LOG_EVENT_MBCNT 8 252163953Srrs#define SCTP_LOG_EVENT_SACK 9 253163953Srrs#define SCTP_LOG_LOCK_EVENT 10 254163953Srrs#define SCTP_LOG_EVENT_RTT 11 255163953Srrs#define SCTP_LOG_EVENT_SB 12 256163953Srrs#define SCTP_LOG_EVENT_NAGLE 13 257163953Srrs#define SCTP_LOG_EVENT_WAKE 14 258163953Srrs#define SCTP_LOG_MISC_EVENT 15 259163953Srrs#define SCTP_LOG_EVENT_CLOSE 16 260163953Srrs#define SCTP_LOG_EVENT_MBUF 17 261170744Srrs#define SCTP_LOG_CHUNK_PROC 18 262170744Srrs#define SCTP_LOG_ERROR_RET 19 263163953Srrs 264170744Srrs#define SCTP_LOG_MAX_EVENT 20 265163953Srrs 266163953Srrs#define SCTP_LOCK_UNKNOWN 2 267163953Srrs 268163953Srrs 269163953Srrs/* number of associations by default for zone allocation */ 270163953Srrs#define SCTP_MAX_NUM_OF_ASOC 40000 271163953Srrs/* how many addresses per assoc remote and local */ 272163953Srrs#define SCTP_SCALE_FOR_ADDR 2 273163953Srrs 274163953Srrs/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 275167598Srrs#define SCTP_DEFAULT_AUTO_ASCONF 1 276163953Srrs 277179157Srrs/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 278179157Srrs#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 279179157Srrs 280171990Srrs/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */ 281171990Srrs#define SCTP_DEFAULT_MOBILITY_BASE 0 282171990Srrs 283171990Srrs/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */ 284171990Srrs#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0 285171990Srrs 286163953Srrs/* 287163953Srrs * Theshold for rwnd updates, we have to read (sb_hiwat >> 288163953Srrs * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 289163953Srrs * window update sack. When we look, we compare the last rwnd we sent vs the 290163953Srrs * current rwnd. It too must be greater than this value. Using 3 divdes the 291163953Srrs * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 292163953Srrs * to read 8k. This seems about right.. I hope :-D.. we do set a 293163953Srrs * min of a MTU on it so if the rwnd is real small we will insist 294163953Srrs * on a full MTU of 1500 bytes. 295163953Srrs */ 296163953Srrs#define SCTP_RWND_HIWAT_SHIFT 3 297163953Srrs 298163953Srrs/* How much of the rwnd must the 299163953Srrs * message be taking up to start partial delivery. 300163953Srrs * We calculate this by shifing the hi_water (recv_win) 301163953Srrs * left the following .. set to 1, when a message holds 302163953Srrs * 1/2 the rwnd. If we set it to 2 when a message holds 303163953Srrs * 1/4 the rwnd...etc.. 304163953Srrs */ 305163953Srrs 306163953Srrs#define SCTP_PARTIAL_DELIVERY_SHIFT 1 307163953Srrs 308163953Srrs/* 309163953Srrs * default HMAC for cookies, etc... use one of the AUTH HMAC id's 310163953Srrs * SCTP_HMAC is the HMAC_ID to use 311163953Srrs * SCTP_SIGNATURE_SIZE is the digest length 312163953Srrs */ 313163953Srrs#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 314163953Srrs#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 315163953Srrs#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 316163953Srrs 317163953Srrs/* 318163953Srrs * the SCTP protocol signature this includes the version number encoded in 319163953Srrs * the last 4 bits of the signature. 320163953Srrs */ 321163953Srrs#define PROTO_SIGNATURE_A 0x30000000 322163953Srrs#define SCTP_VERSION_NUMBER 0x3 323163953Srrs 324163953Srrs#define MAX_TSN 0xffffffff 325163953Srrs#define MAX_SEQ 0xffff 326163953Srrs 327163953Srrs/* how many executions every N tick's */ 328163953Srrs#define SCTP_ITERATOR_MAX_AT_ONCE 20 329163953Srrs 330163953Srrs/* number of clock ticks between iterator executions */ 331163953Srrs#define SCTP_ITERATOR_TICKS 1 332163953Srrs 333163953Srrs/* 334163953Srrs * option: If you comment out the following you will receive the old behavior 335163953Srrs * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 336163953Srrs * happens right away with-out waiting for the flightsize to drop below the 337163953Srrs * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 338163953Srrs */ 339163953Srrs#define SCTP_IGNORE_CWND_ON_FR 1 340163953Srrs 341163953Srrs/* 342163953Srrs * Adds implementors guide behavior to only use newest highest update in SACK 343163953Srrs * gap ack's to figure out if you need to stroke a chunk for FR. 344163953Srrs */ 345163953Srrs#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 346163953Srrs 347163953Srrs/* default max I can burst out after a fast retransmit */ 348163953Srrs#define SCTP_DEF_MAX_BURST 4 349163953Srrs/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 350163953Srrs#define SCTP_FIRST_MBUF_RESV 68 351163953Srrs/* Packet transmit states in the sent field */ 352163953Srrs#define SCTP_DATAGRAM_UNSENT 0 353163953Srrs#define SCTP_DATAGRAM_SENT 1 354163953Srrs#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 355163953Srrs * hit this value) */ 356163953Srrs#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 357163953Srrs * hit this value) */ 358163953Srrs#define SCTP_DATAGRAM_RESEND 4 359163953Srrs#define SCTP_DATAGRAM_ACKED 10010 360163953Srrs#define SCTP_DATAGRAM_MARKED 20010 361163953Srrs#define SCTP_FORWARD_TSN_SKIP 30010 362163953Srrs 363163953Srrs/* chunk output send from locations */ 364163953Srrs#define SCTP_OUTPUT_FROM_USR_SEND 0 365163953Srrs#define SCTP_OUTPUT_FROM_T3 1 366163953Srrs#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 367163953Srrs#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 368163953Srrs#define SCTP_OUTPUT_FROM_SACK_TMR 4 369163953Srrs#define SCTP_OUTPUT_FROM_SHUT_TMR 5 370163953Srrs#define SCTP_OUTPUT_FROM_HB_TMR 6 371163953Srrs#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 372163953Srrs#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 373163953Srrs#define SCTP_OUTPUT_FROM_STRRST_TMR 9 374163953Srrs#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 375163953Srrs#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 376163953Srrs#define SCTP_OUTPUT_FROM_STRRST_REQ 12 377163953Srrs#define SCTP_OUTPUT_FROM_USR_RCVD 13 378164205Srrs#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 379167598Srrs#define SCTP_OUTPUT_FROM_DRAIN 15 380171990Srrs#define SCTP_OUTPUT_FROM_CLOSING 16 381163953Srrs/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 382163953Srrs 383163953Srrs/* align to 32-bit sizes */ 384163953Srrs#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 385163953Srrs 386163953Srrs#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 387163953Srrs#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 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 401188854Srrs/* draft-ietf-stewart-tsvwg-strreset-xxx */ 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 406188854Srrs#define SCTP_STR_RESET_ADD_STREAMS 0x0011 407163953Srrs 408163953Srrs#define SCTP_MAX_RESET_PARAMS 2 409163953Srrs#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 410163953Srrs 411163953Srrs/*************0x4000 series*************/ 412163953Srrs 413163953Srrs/*************0x8000 series*************/ 414163953Srrs#define SCTP_ECN_CAPABLE 0x8000 415163953Srrs/* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 416163953Srrs#define SCTP_ECN_NONCE_SUPPORTED 0x8001 417163953Srrs/* draft-ietf-tsvwg-auth-xxx */ 418163953Srrs#define SCTP_RANDOM 0x8002 419163953Srrs#define SCTP_CHUNK_LIST 0x8003 420163953Srrs#define SCTP_HMAC_LIST 0x8004 421163953Srrs/* 422163953Srrs * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 423163953Srrs * | Byte Byte | Byte ... 424163953Srrs * 425163953Srrs * Where each byte is a chunk type extension supported. For example, to support 426163953Srrs * all chunks one would have (in hex): 427163953Srrs * 428163953Srrs * 80 01 00 09 C0 C1 80 81 82 00 00 00 429163953Srrs * 430163953Srrs * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 431163953Srrs * = Packet Drop 82 = Stream Reset 83 = Authentication 432163953Srrs */ 433163953Srrs#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 434163953Srrs 435163953Srrs/*************0xC000 series*************/ 436163953Srrs#define SCTP_PRSCTP_SUPPORTED 0xc000 437163953Srrs/* draft-ietf-tsvwg-addip-sctp */ 438163953Srrs#define SCTP_ADD_IP_ADDRESS 0xc001 439163953Srrs#define SCTP_DEL_IP_ADDRESS 0xc002 440163953Srrs#define SCTP_ERROR_CAUSE_IND 0xc003 441163953Srrs#define SCTP_SET_PRIM_ADDR 0xc004 442163953Srrs#define SCTP_SUCCESS_REPORT 0xc005 443163953Srrs#define SCTP_ULP_ADAPTATION 0xc006 444185694Srrs/* behave-nat-draft */ 445185694Srrs#define SCTP_HAS_NAT_SUPPORT 0xc007 446185694Srrs#define SCTP_NAT_VTAGS 0xc008 447163953Srrs 448163953Srrs/* Notification error codes */ 449163953Srrs#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 450163953Srrs#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 451163953Srrs#define SCTP_FAILED_THRESHOLD 0x0004 452163953Srrs#define SCTP_HEARTBEAT_SUCCESS 0x0008 453172091Srrs#define SCTP_RESPONSE_TO_USER_REQ 0x0010 454172091Srrs#define SCTP_INTERNAL_ERROR 0x0020 455172091Srrs#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040 456172091Srrs#define SCTP_RECEIVED_SACK 0x0080 457172091Srrs#define SCTP_PEER_FAULTY 0x0100 458172091Srrs#define SCTP_ICMP_REFUSED 0x0200 459163953Srrs 460163953Srrs/* bits for TOS field */ 461163953Srrs#define SCTP_ECT0_BIT 0x02 462163953Srrs#define SCTP_ECT1_BIT 0x01 463163953Srrs#define SCTP_CE_BITS 0x03 464163953Srrs 465163953Srrs/* below turns off above */ 466163953Srrs#define SCTP_FLEXIBLE_ADDRESS 0x20 467163953Srrs#define SCTP_NO_HEARTBEAT 0x40 468163953Srrs 469163953Srrs/* mask to get sticky */ 470163953Srrs#define SCTP_STICKY_OPTIONS_MASK 0x0c 471163953Srrs 472163953Srrs 473163953Srrs/* 474163953Srrs * SCTP states for internal state machine XXX (should match "user" values) 475163953Srrs */ 476163953Srrs#define SCTP_STATE_EMPTY 0x0000 477163953Srrs#define SCTP_STATE_INUSE 0x0001 478163953Srrs#define SCTP_STATE_COOKIE_WAIT 0x0002 479163953Srrs#define SCTP_STATE_COOKIE_ECHOED 0x0004 480163953Srrs#define SCTP_STATE_OPEN 0x0008 481163953Srrs#define SCTP_STATE_SHUTDOWN_SENT 0x0010 482163953Srrs#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 483163953Srrs#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 484163953Srrs#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 485163953Srrs#define SCTP_STATE_CLOSED_SOCKET 0x0100 486163953Srrs#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 487163953Srrs#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 488171745Srrs#define SCTP_STATE_WAS_ABORTED 0x0800 489207924Srrs#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000 490163953Srrs#define SCTP_STATE_MASK 0x007f 491163953Srrs 492163953Srrs#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 493171943Srrs#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate) 494172703Srrs#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate) 495172703Srrs#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate) 496163953Srrs 497163953Srrs/* SCTP reachability state for each address */ 498163953Srrs#define SCTP_ADDR_REACHABLE 0x001 499163953Srrs#define SCTP_ADDR_NOT_REACHABLE 0x002 500163953Srrs#define SCTP_ADDR_NOHB 0x004 501163953Srrs#define SCTP_ADDR_BEING_DELETED 0x008 502163953Srrs#define SCTP_ADDR_NOT_IN_ASSOC 0x010 503163953Srrs#define SCTP_ADDR_WAS_PRIMARY 0x020 504163953Srrs#define SCTP_ADDR_SWITCH_PRIMARY 0x040 505163953Srrs#define SCTP_ADDR_OUT_OF_SCOPE 0x080 506163953Srrs#define SCTP_ADDR_DOUBLE_SWITCH 0x100 507163953Srrs#define SCTP_ADDR_UNCONFIRMED 0x200 508167598Srrs#define SCTP_ADDR_REQ_PRIMARY 0x400 509171440Srrs/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 510171440Srrs#define SCTP_ADDR_PF 0x800 511163953Srrs#define SCTP_REACHABLE_MASK 0x203 512163953Srrs 513163953Srrs/* bound address types (e.g. valid address types to allow) */ 514163953Srrs#define SCTP_BOUND_V6 0x01 515163953Srrs#define SCTP_BOUND_V4 0x02 516163953Srrs 517163953Srrs/* 518163953Srrs * what is the default number of mbufs in a chain I allow before switching to 519163953Srrs * a cluster 520163953Srrs */ 521163953Srrs#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 522163953Srrs 523169655Srrs/* How long a cookie lives in milli-seconds */ 524169655Srrs#define SCTP_DEFAULT_COOKIE_LIFE 60000 525163953Srrs 526163953Srrs/* resource limit of streams */ 527163953Srrs#define MAX_SCTP_STREAMS 2048 528163953Srrs 529163953Srrs/* Maximum the mapping array will grow to (TSN mapping array) */ 530163953Srrs#define SCTP_MAPPING_ARRAY 512 531163953Srrs 532163953Srrs/* size of the inital malloc on the mapping array */ 533163953Srrs#define SCTP_INITIAL_MAPPING_ARRAY 16 534163953Srrs/* how much we grow the mapping array each call */ 535163953Srrs#define SCTP_MAPPING_ARRAY_INCR 32 536206137Stuexen 537163953Srrs/* 538163953Srrs * Here we define the timer types used by the implementation as arguments in 539163953Srrs * the set/get timer type calls. 540163953Srrs */ 541163953Srrs#define SCTP_TIMER_INIT 0 542163953Srrs#define SCTP_TIMER_RECV 1 543163953Srrs#define SCTP_TIMER_SEND 2 544163953Srrs#define SCTP_TIMER_HEARTBEAT 3 545163953Srrs#define SCTP_TIMER_PMTU 4 546163953Srrs#define SCTP_TIMER_MAXSHUTDOWN 5 547163953Srrs#define SCTP_TIMER_SIGNATURE 6 548163953Srrs/* 549163953Srrs * number of timer types in the base SCTP structure used in the set/get and 550163953Srrs * has the base default. 551163953Srrs */ 552163953Srrs#define SCTP_NUM_TMRS 7 553163953Srrs 554163953Srrs/* timer types */ 555163953Srrs#define SCTP_TIMER_TYPE_NONE 0 556163953Srrs#define SCTP_TIMER_TYPE_SEND 1 557163953Srrs#define SCTP_TIMER_TYPE_INIT 2 558163953Srrs#define SCTP_TIMER_TYPE_RECV 3 559163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWN 4 560163953Srrs#define SCTP_TIMER_TYPE_HEARTBEAT 5 561163953Srrs#define SCTP_TIMER_TYPE_COOKIE 6 562163953Srrs#define SCTP_TIMER_TYPE_NEWCOOKIE 7 563163953Srrs#define SCTP_TIMER_TYPE_PATHMTURAISE 8 564163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 565163953Srrs#define SCTP_TIMER_TYPE_ASCONF 10 566163953Srrs#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 567163953Srrs#define SCTP_TIMER_TYPE_AUTOCLOSE 12 568163953Srrs#define SCTP_TIMER_TYPE_EVENTWAKE 13 569163953Srrs#define SCTP_TIMER_TYPE_STRRESET 14 570163953Srrs#define SCTP_TIMER_TYPE_INPKILL 15 571163953Srrs#define SCTP_TIMER_TYPE_EARLYFR 17 572163953Srrs#define SCTP_TIMER_TYPE_ASOCKILL 18 573163953Srrs#define SCTP_TIMER_TYPE_ADDR_WQ 19 574170056Srrs#define SCTP_TIMER_TYPE_ZERO_COPY 20 575170181Srrs#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21 576172091Srrs#define SCTP_TIMER_TYPE_PRIM_DELETED 22 577163953Srrs/* add new timers here - and increment LAST */ 578172091Srrs#define SCTP_TIMER_TYPE_LAST 23 579163953Srrs 580163953Srrs#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 581163953Srrs ((t) < SCTP_TIMER_TYPE_LAST)) 582163953Srrs 583163953Srrs 584163953Srrs 585163953Srrs/* max number of TSN's dup'd that I will hold */ 586163953Srrs#define SCTP_MAX_DUP_TSNS 20 587163953Srrs 588163953Srrs/* 589163953Srrs * Here we define the types used when setting the retry amounts. 590163953Srrs */ 591163953Srrs/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 592163953Srrs#define SCTP_RETRY_DROPPED_THRESH 4 593163953Srrs 594163953Srrs/* 595163953Srrs * Maxmium number of chunks a single association can have on it. Note that 596163953Srrs * this is a squishy number since the count can run over this if the user 597163953Srrs * sends a large message down .. the fragmented chunks don't count until 598163953Srrs * AFTER the message is on queue.. it would be the next send that blocks 599163953Srrs * things. This number will get tuned up at boot in the sctp_init and use the 600163953Srrs * number of clusters as a base. This way high bandwidth environments will 601163953Srrs * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 602163953Srrs */ 603163953Srrs#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 604163953Srrs 605172091Srrs 606167598Srrs/* The conversion from time to ticks and vice versa is done by rounding 607167598Srrs * upwards. This way we can test in the code the time to be positive and 608167598Srrs * know that this corresponds to a positive number of ticks. 609167598Srrs */ 610167598Srrs#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 611167598Srrs#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 612163953Srrs 613163953Srrs#define SEC_TO_TICKS(x) ((x) * hz) 614167598Srrs#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 615163953Srrs 616163953Srrs/* 617163953Srrs * Basically the minimum amount of time before I do a early FR. Making this 618163953Srrs * value to low will cause duplicate retransmissions. 619163953Srrs */ 620163953Srrs#define SCTP_MINFR_MSEC_TIMER 250 621163953Srrs/* The floor this value is allowed to fall to when starting a timer. */ 622163953Srrs#define SCTP_MINFR_MSEC_FLOOR 20 623163953Srrs 624163953Srrs/* init timer def = 1 sec */ 625163953Srrs#define SCTP_INIT_SEC 1 626163953Srrs 627163953Srrs/* send timer def = 1 seconds */ 628163953Srrs#define SCTP_SEND_SEC 1 629163953Srrs 630163953Srrs/* recv timer def = 200ms */ 631163953Srrs#define SCTP_RECV_MSEC 200 632163953Srrs 633163953Srrs/* 30 seconds + RTO (in ms) */ 634163953Srrs#define SCTP_HB_DEFAULT_MSEC 30000 635163953Srrs 636163953Srrs/* Max time I will wait for Shutdown to complete */ 637163953Srrs#define SCTP_DEF_MAX_SHUTDOWN_SEC 180 638163953Srrs 639163953Srrs 640163953Srrs/* 641163953Srrs * This is how long a secret lives, NOT how long a cookie lives how many 642163953Srrs * ticks the current secret will live. 643163953Srrs */ 644163953Srrs#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 645163953Srrs 646163953Srrs#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 647163953Srrs#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 648163953Srrs#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 649163953Srrs#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 650163953Srrs 651163953Srrs 652163953Srrs#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 653163953Srrs#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 654163953Srrs 655163953Srrs#define SCTP_DEF_MAX_INIT 8 656163953Srrs#define SCTP_DEF_MAX_SEND 10 657170056Srrs#define SCTP_DEF_MAX_PATH_RTX 5 658163953Srrs 659163953Srrs#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 660163953Srrs 661170056Srrs 662163953Srrs/* How many streams I request initally by default */ 663163953Srrs#define SCTP_OSTREAM_INITIAL 10 664163953Srrs 665163953Srrs/* 666163953Srrs * How many smallest_mtu's need to increase before a window update sack is 667163953Srrs * sent (should be a power of 2). 668163953Srrs */ 669163953Srrs/* Send window update (incr * this > hiwat). Should be a power of 2 */ 670163953Srrs#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 671163953Srrs 672170606Srrs#define SCTP_ADDRMAX 24 673163953Srrs 674163953Srrs/* SCTP DEBUG Switch parameters */ 675163953Srrs#define SCTP_DEBUG_TIMER1 0x00000001 676170181Srrs#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 677170181Srrs#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 678163953Srrs#define SCTP_DEBUG_TIMER4 0x00000008 679163953Srrs#define SCTP_DEBUG_OUTPUT1 0x00000010 680163953Srrs#define SCTP_DEBUG_OUTPUT2 0x00000020 681163953Srrs#define SCTP_DEBUG_OUTPUT3 0x00000040 682163953Srrs#define SCTP_DEBUG_OUTPUT4 0x00000080 683163953Srrs#define SCTP_DEBUG_UTIL1 0x00000100 684170181Srrs#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 685163953Srrs#define SCTP_DEBUG_AUTH1 0x00000400 686170181Srrs#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 687163953Srrs#define SCTP_DEBUG_INPUT1 0x00001000 688163953Srrs#define SCTP_DEBUG_INPUT2 0x00002000 689163953Srrs#define SCTP_DEBUG_INPUT3 0x00004000 690170181Srrs#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 691163953Srrs#define SCTP_DEBUG_ASCONF1 0x00010000 692163953Srrs#define SCTP_DEBUG_ASCONF2 0x00020000 693170181Srrs#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 694170181Srrs#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 695163953Srrs#define SCTP_DEBUG_PCB1 0x00100000 696170181Srrs#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 697163953Srrs#define SCTP_DEBUG_PCB3 0x00400000 698172266Srrs#define SCTP_DEBUG_PCB4 0x00800000 699163953Srrs#define SCTP_DEBUG_INDATA1 0x01000000 700170181Srrs#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 701170181Srrs#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 702188067Srrs#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 703170181Srrs#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 704170181Srrs#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 705163953Srrs#define SCTP_DEBUG_PEEL1 0x40000000 706170181Srrs#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 707163953Srrs#define SCTP_DEBUG_ALL 0x7ff3ffff 708163953Srrs#define SCTP_DEBUG_NOISY 0x00040000 709163953Srrs 710163953Srrs/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 711163953Srrs#define SCTP_SWS_SENDER_DEF 1420 712163953Srrs 713163953Srrs/* 714163953Srrs * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 715163953Srrs * would be hiwat/2 etc. 716163953Srrs */ 717163953Srrs/* What receiver needs to see in sockbuf or we tell peer its 1 */ 718163953Srrs#define SCTP_SWS_RECEIVER_DEF 3000 719163953Srrs 720163953Srrs#define SCTP_INITIAL_CWND 4380 721163953Srrs 722188067Srrs#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 723163953Srrs/* amount peer is obligated to have in rwnd or I will abort */ 724163953Srrs#define SCTP_MIN_RWND 1500 725163953Srrs 726163953Srrs#define SCTP_DEFAULT_MAXSEGMENT 65535 727163953Srrs 728170642Srrs#define SCTP_CHUNK_BUFFER_SIZE 512 729166675Srrs#define SCTP_PARAM_BUFFER_SIZE 512 730163953Srrs 731171990Srrs/* small chunk store for looking at chunk_list in auth */ 732171990Srrs#define SCTP_SMALL_CHUNK_STORE 260 733171990Srrs 734163953Srrs#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 735163953Srrs#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 736163953Srrs 737163953Srrs#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 738163953Srrs#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 739163953Srrs 740163953Srrs 741163953Srrs/* 742163953Srrs * SCTP upper layer notifications 743163953Srrs */ 744185694Srrs#define SCTP_NOTIFY_ASSOC_UP 1 745185694Srrs#define SCTP_NOTIFY_ASSOC_DOWN 2 746185694Srrs#define SCTP_NOTIFY_INTERFACE_DOWN 3 747185694Srrs#define SCTP_NOTIFY_INTERFACE_UP 4 748185694Srrs#define SCTP_NOTIFY_DG_FAIL 5 749185694Srrs#define SCTP_NOTIFY_STRDATA_ERR 6 750185694Srrs#define SCTP_NOTIFY_ASSOC_ABORTED 7 751185694Srrs#define SCTP_NOTIFY_PEER_OPENED_STREAM 8 752185694Srrs#define SCTP_NOTIFY_STREAM_OPENED_OK 9 753185694Srrs#define SCTP_NOTIFY_ASSOC_RESTART 10 754185694Srrs#define SCTP_NOTIFY_HB_RESP 11 755185694Srrs#define SCTP_NOTIFY_ASCONF_SUCCESS 12 756185694Srrs#define SCTP_NOTIFY_ASCONF_FAILED 13 757185694Srrs#define SCTP_NOTIFY_PEER_SHUTDOWN 14 758185694Srrs#define SCTP_NOTIFY_ASCONF_ADD_IP 15 759185694Srrs#define SCTP_NOTIFY_ASCONF_DELETE_IP 16 760185694Srrs#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 761163953Srrs#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 762185694Srrs#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 763185694Srrs#define SCTP_NOTIFY_STR_RESET_RECV 21 764185694Srrs#define SCTP_NOTIFY_STR_RESET_SEND 22 765185694Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 766185694Srrs#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 767185694Srrs#define SCTP_NOTIFY_AUTH_NEW_KEY 25 768185694Srrs#define SCTP_NOTIFY_AUTH_FREE_KEY 26 769185694Srrs#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 770185694Srrs#define SCTP_NOTIFY_NO_PEER_AUTH 28 771185694Srrs#define SCTP_NOTIFY_SENDER_DRY 29 772188854Srrs#define SCTP_NOTIFY_STR_RESET_ADD_OK 30 773188854Srrs#define SCTP_NOTIFY_STR_RESET_ADD_FAIL 31 774188854Srrs#define SCTP_NOTIFY_STR_RESET_INSTREAM_ADD_OK 32 775188854Srrs#define SCTP_NOTIFY_MAX 32 776163953Srrs 777188854Srrs 778163953Srrs/* This is the value for messages that are NOT completely 779163953Srrs * copied down where we will start to split the message. 780163953Srrs * So, with our default, we split only if the piece we 781163953Srrs * want to take will fill up a full MTU (assuming 782163953Srrs * a 1500 byte MTU). 783163953Srrs */ 784168124Srrs#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 785163953Srrs 786165220Srrs/* ABORT CODES and other tell-tale location 787165220Srrs * codes are generated by adding the below 788165220Srrs * to the instance id. 789165220Srrs */ 790165220Srrs 791165220Srrs/* File defines */ 792165220Srrs#define SCTP_FROM_SCTP_INPUT 0x10000000 793165220Srrs#define SCTP_FROM_SCTP_PCB 0x20000000 794165220Srrs#define SCTP_FROM_SCTP_INDATA 0x30000000 795165220Srrs#define SCTP_FROM_SCTP_TIMER 0x40000000 796165220Srrs#define SCTP_FROM_SCTP_USRREQ 0x50000000 797165220Srrs#define SCTP_FROM_SCTPUTIL 0x60000000 798165220Srrs#define SCTP_FROM_SCTP6_USRREQ 0x70000000 799165220Srrs#define SCTP_FROM_SCTP_ASCONF 0x80000000 800165220Srrs#define SCTP_FROM_SCTP_OUTPUT 0x90000000 801165220Srrs#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 802170056Srrs#define SCTP_FROM_SCTP_PANDA 0xb0000000 803171943Srrs#define SCTP_FROM_SCTP_SYSCTL 0xc0000000 804165220Srrs 805165220Srrs/* Location ID's */ 806165220Srrs#define SCTP_LOC_1 0x00000001 807165220Srrs#define SCTP_LOC_2 0x00000002 808165220Srrs#define SCTP_LOC_3 0x00000003 809165220Srrs#define SCTP_LOC_4 0x00000004 810165220Srrs#define SCTP_LOC_5 0x00000005 811165220Srrs#define SCTP_LOC_6 0x00000006 812165220Srrs#define SCTP_LOC_7 0x00000007 813165220Srrs#define SCTP_LOC_8 0x00000008 814165220Srrs#define SCTP_LOC_9 0x00000009 815165220Srrs#define SCTP_LOC_10 0x0000000a 816165220Srrs#define SCTP_LOC_11 0x0000000b 817165220Srrs#define SCTP_LOC_12 0x0000000c 818165220Srrs#define SCTP_LOC_13 0x0000000d 819165220Srrs#define SCTP_LOC_14 0x0000000e 820165220Srrs#define SCTP_LOC_15 0x0000000f 821165220Srrs#define SCTP_LOC_16 0x00000010 822165220Srrs#define SCTP_LOC_17 0x00000011 823165220Srrs#define SCTP_LOC_18 0x00000012 824165220Srrs#define SCTP_LOC_19 0x00000013 825165220Srrs#define SCTP_LOC_20 0x00000014 826165220Srrs#define SCTP_LOC_21 0x00000015 827165220Srrs#define SCTP_LOC_22 0x00000016 828165220Srrs#define SCTP_LOC_23 0x00000017 829165220Srrs#define SCTP_LOC_24 0x00000018 830165220Srrs#define SCTP_LOC_25 0x00000019 831165220Srrs#define SCTP_LOC_26 0x0000001a 832165220Srrs#define SCTP_LOC_27 0x0000001b 833165220Srrs#define SCTP_LOC_28 0x0000001c 834165220Srrs#define SCTP_LOC_29 0x0000001d 835165220Srrs#define SCTP_LOC_30 0x0000001e 836165220Srrs#define SCTP_LOC_31 0x0000001f 837165220Srrs#define SCTP_LOC_32 0x00000020 838169352Srrs#define SCTP_LOC_33 0x00000021 839165220Srrs 840165220Srrs 841165220Srrs/* Free assoc codes */ 842165220Srrs#define SCTP_NORMAL_PROC 0 843165220Srrs#define SCTP_PCBFREE_NOFORCE 1 844165220Srrs#define SCTP_PCBFREE_FORCE 2 845165220Srrs 846165220Srrs/* From codes for adding addresses */ 847165220Srrs#define SCTP_ADDR_IS_CONFIRMED 8 848165220Srrs#define SCTP_ADDR_DYNAMIC_ADDED 6 849165220Srrs#define SCTP_IN_COOKIE_PROC 100 850165220Srrs#define SCTP_ALLOC_ASOC 1 851165220Srrs#define SCTP_LOAD_ADDR_2 2 852165220Srrs#define SCTP_LOAD_ADDR_3 3 853165220Srrs#define SCTP_LOAD_ADDR_4 4 854165220Srrs#define SCTP_LOAD_ADDR_5 5 855165220Srrs 856165220Srrs#define SCTP_DONOT_SETSCOPE 0 857165220Srrs#define SCTP_DO_SETSCOPE 1 858165220Srrs 859165220Srrs 860163953Srrs/* This value determines the default for when 861163953Srrs * we try to add more on the send queue., if 862163953Srrs * there is room. This prevents us from cycling 863163953Srrs * into the copy_resume routine to often if 864163953Srrs * we have not got enough space to add a decent 865163953Srrs * enough size message. Note that if we have enough 866163953Srrs * space to complete the message copy we will always 867163953Srrs * add to the message, no matter what the size. Its 868163953Srrs * only when we reach the point that we have some left 869163953Srrs * to add, there is only room for part of it that we 870163953Srrs * will use this threshold. Its also a sysctl. 871163953Srrs */ 872163953Srrs#define SCTP_DEFAULT_ADD_MORE 1452 873163953Srrs 874163953Srrs#ifndef SCTP_PCBHASHSIZE 875163953Srrs/* default number of association hash buckets in each endpoint */ 876163953Srrs#define SCTP_PCBHASHSIZE 256 877163953Srrs#endif 878163953Srrs#ifndef SCTP_TCBHASHSIZE 879163953Srrs#define SCTP_TCBHASHSIZE 1024 880163953Srrs#endif 881163953Srrs 882163953Srrs#ifndef SCTP_CHUNKQUEUE_SCALE 883163953Srrs#define SCTP_CHUNKQUEUE_SCALE 10 884163953Srrs#endif 885163953Srrs 886163953Srrs/* clock variance is 1 ms */ 887163953Srrs#define SCTP_CLOCK_GRANULARITY 1 888163953Srrs#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 889163953Srrs * detracts a small amount for ipv4 but it 890163953Srrs * simplifies the ipv6 addition */ 891163953Srrs 892169380Srrs/* Argument magic number for sctp_inpcb_free() */ 893169380Srrs 894169380Srrs/* third argument */ 895169380Srrs#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 896169380Srrs#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 897208879Srrs#define SCTP_CALLED_FROM_INPKILL_TIMER 2 898169380Srrs/* second argument */ 899169380Srrs#define SCTP_FREE_SHOULD_USE_ABORT 1 900169380Srrs#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 901169380Srrs 902163953Srrs#ifndef IPPROTO_SCTP 903163953Srrs#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 904163953Srrs#endif /* !IPPROTO_SCTP */ 905163953Srrs 906163953Srrs#define SCTP_MAX_DATA_BUNDLING 256 907163953Srrs 908163953Srrs/* modular comparison */ 909163953Srrs/* True if a > b (mod = M) */ 910163953Srrs#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 911163953Srrs ((b > a) && ((b - a) > ((M >> 1) + 1)))) 912163953Srrs 913163953Srrs 914163953Srrs/* Mapping array manipulation routines */ 915163953Srrs#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 916163953Srrs#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 917163953Srrs#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 918206137Stuexen#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \ 919206137Stuexen if (tsn >= mapping_tsn) { \ 920206137Stuexen gap = tsn - mapping_tsn; \ 921206137Stuexen } else { \ 922206137Stuexen gap = (MAX_TSN - mapping_tsn) + tsn + 1; \ 923206137Stuexen } \ 924206137Stuexen } while(0) 925163953Srrs 926163953Srrs 927168124Srrs#define SCTP_RETRAN_DONE -1 928168124Srrs#define SCTP_RETRAN_EXIT -2 929168124Srrs 930163953Srrs/* 931163953Srrs * This value defines the number of vtag block time wait entry's per list 932163953Srrs * element. Each entry will take 2 4 byte ints (and of course the overhead 933163953Srrs * of the next pointer as well). Using 15 as an example will yield * ((8 * 934163953Srrs * 15) + 8) or 128 bytes of overhead for each timewait block that gets 935163953Srrs * initialized. Increasing it to 31 would yeild 256 bytes per block. 936163953Srrs */ 937163953Srrs#define SCTP_NUMBER_IN_VTAG_BLOCK 15 938163953Srrs/* 939163953Srrs * If we use the STACK option, we have an array of this size head pointers. 940163953Srrs * This array is mod'd the with the size to find which bucket and then all 941163953Srrs * entries must be searched to see if the tag is in timed wait. If so we 942163953Srrs * reject it. 943163953Srrs */ 944184883Srrs#define SCTP_STACK_VTAG_HASH_SIZE 32 945163953Srrs 946163953Srrs/* 947173179Srrs * Number of seconds of time wait for a vtag. 948163953Srrs */ 949173179Srrs#define SCTP_TIME_WAIT 60 950163953Srrs 951212799Stuexen#define SCTP_SEND_BUFFER_SPLITTING 0x00000001 952212799Stuexen#define SCTP_RECV_BUFFER_SPLITTING 0x00000002 953212799Stuexen 954163953Srrs/* The system retains a cache of free chunks such to 955163953Srrs * cut down on calls the memory allocation system. There 956163953Srrs * is a per association limit of free items and a overall 957163953Srrs * system limit. If either one gets hit then the resource 958163953Srrs * stops being cached. 959163953Srrs */ 960163953Srrs 961163953Srrs#define SCTP_DEF_ASOC_RESC_LIMIT 10 962163953Srrs#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 963163953Srrs 964172090Srrs/*- 965172090Srrs * defines for socket lock states. 966172090Srrs * Used by __APPLE__ and SCTP_SO_LOCK_TESTING 967172090Srrs */ 968172090Srrs#define SCTP_SO_LOCKED 1 969172090Srrs#define SCTP_SO_NOT_LOCKED 0 970163953Srrs 971172090Srrs 972172396Srrs#define SCTP_HOLDS_LOCK 1 973172396Srrs#define SCTP_NOT_LOCKED 0 974172396Srrs 975172091Srrs/*- 976172091Srrs * For address locks, do we hold the lock? 977172091Srrs */ 978172091Srrs#define SCTP_ADDR_LOCKED 1 979172091Srrs#define SCTP_ADDR_NOT_LOCKED 0 980172091Srrs 981163953Srrs#define IN4_ISPRIVATE_ADDRESS(a) \ 982166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 983166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 984166675Srrs (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 985166675Srrs (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 986166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 987166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 168))) 988163953Srrs 989163953Srrs#define IN4_ISLOOPBACK_ADDRESS(a) \ 990166675Srrs ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 991166675Srrs (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 992166675Srrs (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 993166675Srrs (((uint8_t *)&(a)->s_addr)[3] == 1)) 994163953Srrs 995163953Srrs 996163953Srrs#if defined(_KERNEL) 997163953Srrs 998163953Srrs#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 999163953Srrs#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 1000180387Srrs#endif 1001163953Srrs/*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 1002163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 1003163953Srrs/* (x)->tv_sec = ticks / 1000; \*/ 1004163953Srrs/* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 1005163953Srrs/*}*/ 1006163953Srrs 1007163953Srrs/*#else*/ 1008163953Srrs/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 1009163953Srrs/*#endif __FreeBSD__ */ 1010163953Srrs 1011180387Srrs#if defined(_KERNEL) || defined(__Userspace__) 1012163953Srrs#define sctp_sowwakeup(inp, so) \ 1013163953Srrsdo { \ 1014163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1015163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1016163953Srrs } else { \ 1017163953Srrs sowwakeup(so); \ 1018163953Srrs } \ 1019163953Srrs} while (0) 1020163953Srrs 1021163953Srrs#define sctp_sowwakeup_locked(inp, so) \ 1022163953Srrsdo { \ 1023163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1024163953Srrs SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1025163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1026163953Srrs } else { \ 1027163953Srrs sowwakeup_locked(so); \ 1028163953Srrs } \ 1029163953Srrs} while (0) 1030163953Srrs 1031163953Srrs#define sctp_sorwakeup(inp, so) \ 1032163953Srrsdo { \ 1033163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1034163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1035163953Srrs } else { \ 1036163953Srrs sorwakeup(so); \ 1037163953Srrs } \ 1038163953Srrs} while (0) 1039163953Srrs 1040163953Srrs#define sctp_sorwakeup_locked(inp, so) \ 1041163953Srrsdo { \ 1042163953Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1043163953Srrs inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1044163953Srrs SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1045163953Srrs } else { \ 1046163953Srrs sorwakeup_locked(so); \ 1047163953Srrs } \ 1048163953Srrs} while (0) 1049163953Srrs 1050180387Srrs#endif /* _KERNEL || __Userspace__ */ 1051163953Srrs#endif 1052