1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35#ifndef _NETINET_SCTP_CONSTANTS_H_ 36#define _NETINET_SCTP_CONSTANTS_H_ 37 38/* IANA assigned port number for SCTP over UDP encapsulation */ 39#define SCTP_OVER_UDP_TUNNELING_PORT 9899 40 41/* Number of packets to get before sack sent by default */ 42#define SCTP_DEFAULT_SACK_FREQ 2 43 44/* Address limit - This variable is calculated 45 * based on an 65535 byte max ip packet. We take out 100 bytes 46 * for the cookie, 40 bytes for a v6 header and 32 47 * bytes for the init structure. A second init structure 48 * for the init-ack and then finally a third one for the 49 * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 50 * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 51 * Now whatever we send in the INIT() we need to allow to get back in the 52 * INIT-ACK plus all the values from INIT and INIT-ACK 53 * listed in the cookie. Plus we need some overhead for 54 * maybe copied parameters in the COOKIE. If we 55 * allow 1080 addresses, and each side has 1080 V6 addresses 56 * that will be 21600 bytes. In the INIT-ACK we will 57 * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 58 * about 500 bytes slack for misc things in the cookie. 59 */ 60#define SCTP_ADDRESS_LIMIT 1080 61 62/* We need at least 2k of space for us, inits 63 * larger than that lets abort. 64 */ 65#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 66 67/* Largest length of a chunk */ 68#define SCTP_MAX_CHUNK_LENGTH 0xffff 69/* Largest length of an error cause */ 70#define SCTP_MAX_CAUSE_LENGTH 0xffff 71/* Number of addresses where we just skip the counting */ 72#define SCTP_COUNT_LIMIT 40 73 74#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 75#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 76 77/* Number of ticks to delay before running 78 * iterator on an address change. 79 */ 80#define SCTP_ADDRESS_TICK_DELAY 2 81 82#define SCTP_VERSION_STRING "KAME-BSD 1.1" 83/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 84#define SCTP_AUDIT_SIZE 256 85 86#define SCTP_KTRHEAD_NAME "sctp_iterator" 87#define SCTP_KTHREAD_PAGES 0 88 89#define SCTP_MCORE_NAME "sctp_core_worker" 90 91/* If you support Multi-VRF how big to 92 * make the initial array of VRF's to. 93 */ 94#define SCTP_DEFAULT_VRF_SIZE 4 95 96/* JRS - Values defined for the HTCP algorithm */ 97#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 98#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 99#define BETA_MAX 102 /* 0.8 with shift << 7 */ 100 101/* Places that CWND log can happen from */ 102#define SCTP_CWND_LOG_FROM_FR 1 103#define SCTP_CWND_LOG_FROM_RTX 2 104#define SCTP_CWND_LOG_FROM_BRST 3 105#define SCTP_CWND_LOG_FROM_SS 4 106#define SCTP_CWND_LOG_FROM_CA 5 107#define SCTP_CWND_LOG_FROM_SAT 6 108#define SCTP_BLOCK_LOG_INTO_BLK 7 109#define SCTP_BLOCK_LOG_OUTOF_BLK 8 110#define SCTP_BLOCK_LOG_CHECK 9 111#define SCTP_STR_LOG_FROM_INTO_STRD 10 112#define SCTP_STR_LOG_FROM_IMMED_DEL 11 113#define SCTP_STR_LOG_FROM_INSERT_HD 12 114#define SCTP_STR_LOG_FROM_INSERT_MD 13 115#define SCTP_STR_LOG_FROM_INSERT_TL 14 116#define SCTP_STR_LOG_FROM_MARK_TSN 15 117#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 118#define SCTP_FR_LOG_BIGGEST_TSNS 17 119#define SCTP_FR_LOG_STRIKE_TEST 18 120#define SCTP_FR_LOG_STRIKE_CHUNK 19 121#define SCTP_FR_T3_TIMEOUT 20 122#define SCTP_MAP_PREPARE_SLIDE 21 123#define SCTP_MAP_SLIDE_FROM 22 124#define SCTP_MAP_SLIDE_RESULT 23 125#define SCTP_MAP_SLIDE_CLEARED 24 126#define SCTP_MAP_SLIDE_NONE 25 127#define SCTP_FR_T3_MARK_TIME 26 128#define SCTP_FR_T3_MARKED 27 129#define SCTP_FR_T3_STOPPED 28 130#define SCTP_FR_MARKED 30 131#define SCTP_CWND_LOG_NOADV_SS 31 132#define SCTP_CWND_LOG_NOADV_CA 32 133#define SCTP_MAX_BURST_APPLIED 33 134#define SCTP_MAX_IFP_APPLIED 34 135#define SCTP_MAX_BURST_ERROR_STOP 35 136#define SCTP_INCREASE_PEER_RWND 36 137#define SCTP_DECREASE_PEER_RWND 37 138#define SCTP_SET_PEER_RWND_VIA_SACK 38 139#define SCTP_LOG_MBCNT_INCREASE 39 140#define SCTP_LOG_MBCNT_DECREASE 40 141#define SCTP_LOG_MBCNT_CHKSET 41 142#define SCTP_LOG_NEW_SACK 42 143#define SCTP_LOG_TSN_ACKED 43 144#define SCTP_LOG_TSN_REVOKED 44 145#define SCTP_LOG_LOCK_TCB 45 146#define SCTP_LOG_LOCK_INP 46 147#define SCTP_LOG_LOCK_SOCK 47 148#define SCTP_LOG_LOCK_SOCKBUF_R 48 149#define SCTP_LOG_LOCK_SOCKBUF_S 49 150#define SCTP_LOG_LOCK_CREATE 50 151#define SCTP_LOG_INITIAL_RTT 51 152#define SCTP_LOG_RTTVAR 52 153#define SCTP_LOG_SBALLOC 53 154#define SCTP_LOG_SBFREE 54 155#define SCTP_LOG_SBRESULT 55 156#define SCTP_FR_DUPED 56 157#define SCTP_FR_MARKED_EARLY 57 158#define SCTP_FR_CWND_REPORT 58 159#define SCTP_FR_CWND_REPORT_START 59 160#define SCTP_FR_CWND_REPORT_STOP 60 161#define SCTP_CWND_LOG_FROM_SEND 61 162#define SCTP_CWND_INITIALIZATION 62 163#define SCTP_CWND_LOG_FROM_T3 63 164#define SCTP_CWND_LOG_FROM_SACK 64 165#define SCTP_CWND_LOG_NO_CUMACK 65 166#define SCTP_CWND_LOG_FROM_RESEND 66 167#define SCTP_FR_LOG_CHECK_STRIKE 67 168#define SCTP_SEND_NOW_COMPLETES 68 169#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 170#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 171#define SCTP_LOG_FREE_SENT 71 172#define SCTP_NAGLE_APPLIED 72 173#define SCTP_NAGLE_SKIPPED 73 174#define SCTP_WAKESND_FROM_SACK 74 175#define SCTP_WAKESND_FROM_FWDTSN 75 176#define SCTP_NOWAKE_FROM_SACK 76 177#define SCTP_CWNDLOG_PRESEND 77 178#define SCTP_CWNDLOG_ENDSEND 78 179#define SCTP_AT_END_OF_SACK 79 180#define SCTP_REASON_FOR_SC 80 181#define SCTP_BLOCK_LOG_INTO_BLKA 81 182#define SCTP_ENTER_USER_RECV 82 183#define SCTP_USER_RECV_SACKS 83 184#define SCTP_SORECV_BLOCKSA 84 185#define SCTP_SORECV_BLOCKSB 85 186#define SCTP_SORECV_DONE 86 187#define SCTP_SACK_RWND_UPDATE 87 188#define SCTP_SORECV_ENTER 88 189#define SCTP_SORECV_ENTERPL 89 190#define SCTP_MBUF_INPUT 90 191#define SCTP_MBUF_IALLOC 91 192#define SCTP_MBUF_IFREE 92 193#define SCTP_MBUF_ICOPY 93 194#define SCTP_MBUF_SPLIT 94 195#define SCTP_SORCV_FREECTL 95 196#define SCTP_SORCV_DOESCPY 96 197#define SCTP_SORCV_DOESLCK 97 198#define SCTP_SORCV_DOESADJ 98 199#define SCTP_SORCV_BOTWHILE 99 200#define SCTP_SORCV_PASSBF 100 201#define SCTP_SORCV_ADJD 101 202#define SCTP_UNKNOWN_MAX 102 203#define SCTP_RANDY_STUFF 103 204#define SCTP_RANDY_STUFF1 104 205#define SCTP_STRMOUT_LOG_ASSIGN 105 206#define SCTP_STRMOUT_LOG_SEND 106 207#define SCTP_FLIGHT_LOG_DOWN_CA 107 208#define SCTP_FLIGHT_LOG_UP 108 209#define SCTP_FLIGHT_LOG_DOWN_GAP 109 210#define SCTP_FLIGHT_LOG_DOWN_RSND 110 211#define SCTP_FLIGHT_LOG_UP_RSND 111 212#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 213#define SCTP_FLIGHT_LOG_DOWN_WP 113 214#define SCTP_FLIGHT_LOG_UP_REVOKE 114 215#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 216#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 217#define SCTP_SACK_LOG_NORMAL 117 218#define SCTP_SACK_LOG_EXPRESS 118 219#define SCTP_MAP_TSN_ENTERS 119 220#define SCTP_THRESHOLD_CLEAR 120 221#define SCTP_THRESHOLD_INCR 121 222#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122 223#define SCTP_FWD_TSN_CHECK 123 224#define SCTP_LOG_MAX_TYPES 124 225/* 226 * To turn on various logging, you must first enable 'options KTR' and 227 * you might want to bump the entires 'options KTR_ENTRIES=80000'. 228 * To get something to log you define one of the logging defines. 229 * (see LINT). 230 * 231 * This gets the compile in place, but you still need to turn the 232 * logging flag on too in the sysctl (see in sctp.h). 233 */ 234 235#define SCTP_LOG_EVENT_UNKNOWN 0 236#define SCTP_LOG_EVENT_CWND 1 237#define SCTP_LOG_EVENT_BLOCK 2 238#define SCTP_LOG_EVENT_STRM 3 239#define SCTP_LOG_EVENT_FR 4 240#define SCTP_LOG_EVENT_MAP 5 241#define SCTP_LOG_EVENT_MAXBURST 6 242#define SCTP_LOG_EVENT_RWND 7 243#define SCTP_LOG_EVENT_MBCNT 8 244#define SCTP_LOG_EVENT_SACK 9 245#define SCTP_LOG_LOCK_EVENT 10 246#define SCTP_LOG_EVENT_RTT 11 247#define SCTP_LOG_EVENT_SB 12 248#define SCTP_LOG_EVENT_NAGLE 13 249#define SCTP_LOG_EVENT_WAKE 14 250#define SCTP_LOG_MISC_EVENT 15 251#define SCTP_LOG_EVENT_CLOSE 16 252#define SCTP_LOG_EVENT_MBUF 17 253#define SCTP_LOG_CHUNK_PROC 18 254#define SCTP_LOG_ERROR_RET 19 255 256#define SCTP_LOG_MAX_EVENT 20 257 258#define SCTP_LOCK_UNKNOWN 2 259 260/* number of associations by default for zone allocation */ 261#define SCTP_MAX_NUM_OF_ASOC 40000 262/* how many addresses per assoc remote and local */ 263#define SCTP_SCALE_FOR_ADDR 2 264 265/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 266#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 267 268/* 269 * Threshold for rwnd updates, we have to read (sb_hiwat >> 270 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 271 * window update sack. When we look, we compare the last rwnd we sent vs the 272 * current rwnd. It too must be greater than this value. Using 3 divdes the 273 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 274 * to read 8k. This seems about right.. I hope :-D.. we do set a 275 * min of a MTU on it so if the rwnd is real small we will insist 276 * on a full MTU of 1500 bytes. 277 */ 278#define SCTP_RWND_HIWAT_SHIFT 3 279 280/* How much of the rwnd must the 281 * message be taking up to start partial delivery. 282 * We calculate this by shifing the hi_water (recv_win) 283 * left the following .. set to 1, when a message holds 284 * 1/2 the rwnd. If we set it to 2 when a message holds 285 * 1/4 the rwnd...etc.. 286 */ 287 288#define SCTP_PARTIAL_DELIVERY_SHIFT 1 289 290/* 291 * default HMAC for cookies, etc... use one of the AUTH HMAC id's 292 * SCTP_HMAC is the HMAC_ID to use 293 * SCTP_SIGNATURE_SIZE is the digest length 294 */ 295#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 296#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 297#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 298 299/* 300 * the SCTP protocol signature this includes the version number encoded in 301 * the last 4 bits of the signature. 302 */ 303#define PROTO_SIGNATURE_A 0x30000000 304#define SCTP_VERSION_NUMBER 0x3 305 306#define MAX_TSN 0xffffffff 307 308/* how many executions every N tick's */ 309#define SCTP_ITERATOR_MAX_AT_ONCE 20 310 311/* number of clock ticks between iterator executions */ 312#define SCTP_ITERATOR_TICKS 1 313 314/* 315 * option: If you comment out the following you will receive the old behavior 316 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 317 * happens right away with-out waiting for the flightsize to drop below the 318 * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 319 */ 320#define SCTP_IGNORE_CWND_ON_FR 1 321 322/* 323 * Adds implementors guide behavior to only use newest highest update in SACK 324 * gap ack's to figure out if you need to stroke a chunk for FR. 325 */ 326#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 327 328/* default max I can burst out after a fast retransmit, 0 disables it */ 329#define SCTP_DEF_MAX_BURST 4 330#define SCTP_DEF_HBMAX_BURST 4 331#define SCTP_DEF_FRMAX_BURST 4 332 333/* RTO calculation flag to say if it 334 * is safe to determine local lan or not. 335 */ 336#define SCTP_RTT_FROM_NON_DATA 0 337#define SCTP_RTT_FROM_DATA 1 338 339#define PR_SCTP_UNORDERED_FLAG 0x0001 340 341/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 342#define SCTP_FIRST_MBUF_RESV 68 343/* Packet transmit states in the sent field */ 344#define SCTP_DATAGRAM_UNSENT 0 345#define SCTP_DATAGRAM_SENT 1 346#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 347 * hit this value) */ 348#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 349 * hit this value) */ 350#define SCTP_DATAGRAM_RESEND 4 351#define SCTP_DATAGRAM_ACKED 10010 352#define SCTP_DATAGRAM_MARKED 20010 353#define SCTP_FORWARD_TSN_SKIP 30010 354#define SCTP_DATAGRAM_NR_ACKED 40010 355 356/* chunk output send from locations */ 357#define SCTP_OUTPUT_FROM_USR_SEND 0 358#define SCTP_OUTPUT_FROM_T3 1 359#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 360#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 361#define SCTP_OUTPUT_FROM_SACK_TMR 4 362#define SCTP_OUTPUT_FROM_SHUT_TMR 5 363#define SCTP_OUTPUT_FROM_HB_TMR 6 364#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 365#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 366#define SCTP_OUTPUT_FROM_STRRST_TMR 9 367#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 368#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 369#define SCTP_OUTPUT_FROM_STRRST_REQ 12 370#define SCTP_OUTPUT_FROM_USR_RCVD 13 371#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 372#define SCTP_OUTPUT_FROM_DRAIN 15 373#define SCTP_OUTPUT_FROM_CLOSING 16 374#define SCTP_OUTPUT_FROM_SOCKOPT 17 375 376/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 377 378/* align to 32-bit sizes */ 379#define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2) 380 381#define IS_SCTP_CONTROL(a) (((a)->chunk_type != SCTP_DATA) && ((a)->chunk_type != SCTP_IDATA)) 382#define IS_SCTP_DATA(a) (((a)->chunk_type == SCTP_DATA) || ((a)->chunk_type == SCTP_IDATA)) 383 384/* SCTP parameter types */ 385/*************0x0000 series*************/ 386#define SCTP_HEARTBEAT_INFO 0x0001 387#define SCTP_IPV4_ADDRESS 0x0005 388#define SCTP_IPV6_ADDRESS 0x0006 389#define SCTP_STATE_COOKIE 0x0007 390#define SCTP_UNRECOG_PARAM 0x0008 391#define SCTP_COOKIE_PRESERVE 0x0009 392#define SCTP_HOSTNAME_ADDRESS 0x000b 393#define SCTP_SUPPORTED_ADDRTYPE 0x000c 394 395/* RFC 6525 */ 396#define SCTP_STR_RESET_OUT_REQUEST 0x000d 397#define SCTP_STR_RESET_IN_REQUEST 0x000e 398#define SCTP_STR_RESET_TSN_REQUEST 0x000f 399#define SCTP_STR_RESET_RESPONSE 0x0010 400#define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011 401#define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012 402 403#define SCTP_MAX_RESET_PARAMS 2 404#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 405 406/*************0x4000 series*************/ 407 408/*************0x8000 series*************/ 409#define SCTP_ECN_CAPABLE 0x8000 410#define SCTP_ZERO_CHECKSUM_ACCEPTABLE 0x8001 411/* RFC 4895 */ 412#define SCTP_RANDOM 0x8002 413#define SCTP_CHUNK_LIST 0x8003 414#define SCTP_HMAC_LIST 0x8004 415/* RFC 4820 */ 416#define SCTP_PAD 0x8005 417/* RFC 5061 */ 418#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 419 420/*************0xC000 series*************/ 421#define SCTP_PRSCTP_SUPPORTED 0xc000 422/* RFC 5061 */ 423#define SCTP_ADD_IP_ADDRESS 0xc001 424#define SCTP_DEL_IP_ADDRESS 0xc002 425#define SCTP_ERROR_CAUSE_IND 0xc003 426#define SCTP_SET_PRIM_ADDR 0xc004 427#define SCTP_SUCCESS_REPORT 0xc005 428#define SCTP_ULP_ADAPTATION 0xc006 429/* behave-nat-draft */ 430#define SCTP_HAS_NAT_SUPPORT 0xc007 431#define SCTP_NAT_VTAGS 0xc008 432 433/* bits for TOS field */ 434#define SCTP_ECT0_BIT 0x02 435#define SCTP_ECT1_BIT 0x01 436#define SCTP_CE_BITS 0x03 437 438/* below turns off above */ 439#define SCTP_FLEXIBLE_ADDRESS 0x20 440#define SCTP_NO_HEARTBEAT 0x40 441 442/* mask to get sticky */ 443#define SCTP_STICKY_OPTIONS_MASK 0x0c 444 445/* 446 * SCTP states for internal state machine 447 */ 448#define SCTP_STATE_EMPTY 0x0000 449#define SCTP_STATE_INUSE 0x0001 450#define SCTP_STATE_COOKIE_WAIT 0x0002 451#define SCTP_STATE_COOKIE_ECHOED 0x0004 452#define SCTP_STATE_OPEN 0x0008 453#define SCTP_STATE_SHUTDOWN_SENT 0x0010 454#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 455#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 456#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 457#define SCTP_STATE_CLOSED_SOCKET 0x0100 458#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 459#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 460#define SCTP_STATE_WAS_ABORTED 0x0800 461#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000 462#define SCTP_STATE_MASK 0x007f 463 464#define SCTP_GET_STATE(_stcb) \ 465 ((_stcb)->asoc.state & SCTP_STATE_MASK) 466#define SCTP_SET_STATE(_stcb, _state) \ 467 sctp_set_state(_stcb, _state) 468#define SCTP_CLEAR_SUBSTATE(_stcb, _substate) \ 469 (_stcb)->asoc.state &= ~(_substate) 470#define SCTP_ADD_SUBSTATE(_stcb, _substate) \ 471 sctp_add_substate(_stcb, _substate) 472 473/* SCTP reachability state for each address */ 474#define SCTP_ADDR_REACHABLE 0x001 475#define SCTP_ADDR_NO_PMTUD 0x002 476#define SCTP_ADDR_NOHB 0x004 477#define SCTP_ADDR_BEING_DELETED 0x008 478#define SCTP_ADDR_NOT_IN_ASSOC 0x010 479#define SCTP_ADDR_OUT_OF_SCOPE 0x080 480#define SCTP_ADDR_UNCONFIRMED 0x200 481#define SCTP_ADDR_REQ_PRIMARY 0x400 482/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 483#define SCTP_ADDR_PF 0x800 484 485/* bound address types (e.g. valid address types to allow) */ 486#define SCTP_BOUND_V6 0x01 487#define SCTP_BOUND_V4 0x02 488 489/* 490 * what is the default number of mbufs in a chain I allow before switching to 491 * a cluster 492 */ 493#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 494 495/* How long a cookie lives in milli-seconds */ 496#define SCTP_DEFAULT_COOKIE_LIFE 60000 497 498/* Maximum the mapping array will grow to (TSN mapping array) */ 499#define SCTP_MAPPING_ARRAY 512 500 501/* size of the initial malloc on the mapping array */ 502#define SCTP_INITIAL_MAPPING_ARRAY 16 503/* how much we grow the mapping array each call */ 504#define SCTP_MAPPING_ARRAY_INCR 32 505 506/* 507 * Here we define the timer types used by the implementation as arguments in 508 * the set/get timer type calls. 509 */ 510#define SCTP_TIMER_INIT 0 511#define SCTP_TIMER_RECV 1 512#define SCTP_TIMER_SEND 2 513#define SCTP_TIMER_HEARTBEAT 3 514#define SCTP_TIMER_PMTU 4 515#define SCTP_TIMER_MAXSHUTDOWN 5 516#define SCTP_TIMER_SIGNATURE 6 517/* 518 * number of timer types in the base SCTP structure used in the set/get and 519 * has the base default. 520 */ 521#define SCTP_NUM_TMRS 7 522 523/* timer types */ 524#define SCTP_TIMER_TYPE_NONE 0 525#define SCTP_TIMER_TYPE_SEND 1 526#define SCTP_TIMER_TYPE_INIT 2 527#define SCTP_TIMER_TYPE_RECV 3 528#define SCTP_TIMER_TYPE_SHUTDOWN 4 529#define SCTP_TIMER_TYPE_HEARTBEAT 5 530#define SCTP_TIMER_TYPE_COOKIE 6 531#define SCTP_TIMER_TYPE_NEWCOOKIE 7 532#define SCTP_TIMER_TYPE_PATHMTURAISE 8 533#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 534#define SCTP_TIMER_TYPE_ASCONF 10 535#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 536#define SCTP_TIMER_TYPE_AUTOCLOSE 12 537#define SCTP_TIMER_TYPE_STRRESET 13 538#define SCTP_TIMER_TYPE_INPKILL 14 539#define SCTP_TIMER_TYPE_ASOCKILL 15 540#define SCTP_TIMER_TYPE_ADDR_WQ 16 541#define SCTP_TIMER_TYPE_PRIM_DELETED 17 542/* add new timers here - and increment LAST */ 543#define SCTP_TIMER_TYPE_LAST 18 544 545#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 546 ((t) < SCTP_TIMER_TYPE_LAST)) 547 548/* max number of TSN's dup'd that I will hold */ 549#define SCTP_MAX_DUP_TSNS 20 550 551/* 552 * Here we define the types used when setting the retry amounts. 553 */ 554/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 555#define SCTP_RETRY_DROPPED_THRESH 4 556 557/* 558 * Maxmium number of chunks a single association can have on it. Note that 559 * this is a squishy number since the count can run over this if the user 560 * sends a large message down .. the fragmented chunks don't count until 561 * AFTER the message is on queue.. it would be the next send that blocks 562 * things. This number will get tuned up at boot in the sctp_init and use the 563 * number of clusters as a base. This way high bandwidth environments will 564 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 565 */ 566#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 567 568/* 569 * Basically the minimum amount of time before I do a early FR. Making this 570 * value to low will cause duplicate retransmissions. 571 */ 572#define SCTP_MINFR_MSEC_TIMER 250 573/* The floor this value is allowed to fall to when starting a timer. */ 574#define SCTP_MINFR_MSEC_FLOOR 20 575 576/* init timer def = 1 sec */ 577#define SCTP_INIT_SEC 1 578 579/* send timer def = 1 seconds */ 580#define SCTP_SEND_SEC 1 581 582/* recv timer def = 200ms */ 583#define SCTP_RECV_MSEC 200 584 585/* 30 seconds + RTO (in ms) */ 586#define SCTP_HB_DEFAULT_MSEC 30000 587 588/* 589 * This is how long a secret lives, NOT how long a cookie lives how many 590 * ticks the current secret will live. 591 */ 592#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 593 594#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 595#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */ 596#define SCTP_RTO_INITIAL (1000) /* 1 sec in ms */ 597 598#define SCTP_INP_KILL_TIMEOUT 20 /* number of ms to retry kill of inpcb */ 599#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 600 601#define SCTP_DEF_MAX_INIT 8 602#define SCTP_DEF_MAX_SEND 10 603#define SCTP_DEF_MAX_PATH_RTX 5 604#define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX 605 606#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 607 608/* How many streams I request initially by default */ 609#define SCTP_OSTREAM_INITIAL 10 610#define SCTP_ISTREAM_INITIAL 2048 611 612/* 613 * How many smallest_mtu's need to increase before a window update sack is 614 * sent (should be a power of 2). 615 */ 616/* Send window update (incr * this > hiwat). Should be a power of 2 */ 617#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 618 619#define SCTP_ADDRMAX 16 620 621/* SCTP DEBUG Switch parameters */ 622#define SCTP_DEBUG_TIMER1 0x00000001 623#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 624#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 625#define SCTP_DEBUG_TIMER4 0x00000008 626#define SCTP_DEBUG_OUTPUT1 0x00000010 627#define SCTP_DEBUG_OUTPUT2 0x00000020 628#define SCTP_DEBUG_OUTPUT3 0x00000040 629#define SCTP_DEBUG_OUTPUT4 0x00000080 630#define SCTP_DEBUG_UTIL1 0x00000100 631#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 632#define SCTP_DEBUG_AUTH1 0x00000400 633#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 634#define SCTP_DEBUG_INPUT1 0x00001000 635#define SCTP_DEBUG_INPUT2 0x00002000 636#define SCTP_DEBUG_INPUT3 0x00004000 637#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 638#define SCTP_DEBUG_ASCONF1 0x00010000 639#define SCTP_DEBUG_ASCONF2 0x00020000 640#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 641#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 642#define SCTP_DEBUG_PCB1 0x00100000 643#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 644#define SCTP_DEBUG_PCB3 0x00400000 645#define SCTP_DEBUG_PCB4 0x00800000 646#define SCTP_DEBUG_INDATA1 0x01000000 647#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 648#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 649#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 650#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 651#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 652#define SCTP_DEBUG_PEEL1 0x40000000 653#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 654#define SCTP_DEBUG_ALL 0x7ff3ffff 655#define SCTP_DEBUG_NOISY 0x00040000 656 657/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 658#define SCTP_SWS_SENDER_DEF 1420 659 660/* 661 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 662 * would be hiwat/2 etc. 663 */ 664/* What receiver needs to see in sockbuf or we tell peer its 1 */ 665#define SCTP_SWS_RECEIVER_DEF 3000 666 667#define SCTP_INITIAL_CWND 4380 668 669#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 670/* amount peer is obligated to have in rwnd or I will abort */ 671#define SCTP_MIN_RWND 1500 672 673#define SCTP_CHUNK_BUFFER_SIZE 512 674#define SCTP_PARAM_BUFFER_SIZE 512 675 676/* small chunk store for looking at chunk_list in auth */ 677#define SCTP_SMALL_CHUNK_STORE 260 678 679#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 680 681#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 682#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 683 684/* 685 * SCTP upper layer notifications 686 */ 687#define SCTP_NOTIFY_ASSOC_UP 1 688#define SCTP_NOTIFY_ASSOC_DOWN 2 689#define SCTP_NOTIFY_INTERFACE_DOWN 3 690#define SCTP_NOTIFY_INTERFACE_UP 4 691#define SCTP_NOTIFY_SENT_DG_FAIL 5 692#define SCTP_NOTIFY_UNSENT_DG_FAIL 6 693#define SCTP_NOTIFY_SPECIAL_SP_FAIL 7 694#define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8 695#define SCTP_NOTIFY_ASSOC_REM_ABORTED 9 696#define SCTP_NOTIFY_ASSOC_RESTART 10 697#define SCTP_NOTIFY_PEER_SHUTDOWN 11 698#define SCTP_NOTIFY_ASCONF_ADD_IP 12 699#define SCTP_NOTIFY_ASCONF_DELETE_IP 13 700#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14 701#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15 702#define SCTP_NOTIFY_INTERFACE_CONFIRMED 16 703#define SCTP_NOTIFY_STR_RESET_RECV 17 704#define SCTP_NOTIFY_STR_RESET_SEND 18 705#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19 706#define SCTP_NOTIFY_STR_RESET_FAILED_IN 20 707#define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21 708#define SCTP_NOTIFY_STR_RESET_DENIED_IN 22 709#define SCTP_NOTIFY_STR_RESET_ADD 23 710#define SCTP_NOTIFY_STR_RESET_TSN 24 711#define SCTP_NOTIFY_AUTH_NEW_KEY 25 712#define SCTP_NOTIFY_AUTH_FREE_KEY 26 713#define SCTP_NOTIFY_NO_PEER_AUTH 27 714#define SCTP_NOTIFY_SENDER_DRY 28 715#define SCTP_NOTIFY_REMOTE_ERROR 29 716#define SCTP_NOTIFY_ASSOC_TIMEDOUT 30 717 718/* This is the value for messages that are NOT completely 719 * copied down where we will start to split the message. 720 * So, with our default, we split only if the piece we 721 * want to take will fill up a full MTU (assuming 722 * a 1500 byte MTU). 723 */ 724#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 725 726/* Maximum length of diagnostic information in error causes */ 727#define SCTP_DIAG_INFO_LEN 128 728 729/* ABORT CODES and other tell-tale location 730 * codes are generated by adding the below 731 * to the instance id. 732 */ 733 734/* File defines */ 735#define SCTP_FROM_SCTP_INPUT 0x10000000 736#define SCTP_FROM_SCTP_PCB 0x20000000 737#define SCTP_FROM_SCTP_INDATA 0x30000000 738#define SCTP_FROM_SCTP_TIMER 0x40000000 739#define SCTP_FROM_SCTP_USRREQ 0x50000000 740#define SCTP_FROM_SCTPUTIL 0x60000000 741#define SCTP_FROM_SCTP6_USRREQ 0x70000000 742#define SCTP_FROM_SCTP_ASCONF 0x80000000 743#define SCTP_FROM_SCTP_OUTPUT 0x90000000 744#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 745#define SCTP_FROM_SCTP_SYSCTL 0xb0000000 746#define SCTP_FROM_SCTP_CC_FUNCTIONS 0xc0000000 747 748/* Location ID's */ 749#define SCTP_LOC_1 0x00000001 750#define SCTP_LOC_2 0x00000002 751#define SCTP_LOC_3 0x00000003 752#define SCTP_LOC_4 0x00000004 753#define SCTP_LOC_5 0x00000005 754#define SCTP_LOC_6 0x00000006 755#define SCTP_LOC_7 0x00000007 756#define SCTP_LOC_8 0x00000008 757#define SCTP_LOC_9 0x00000009 758#define SCTP_LOC_10 0x0000000a 759#define SCTP_LOC_11 0x0000000b 760#define SCTP_LOC_12 0x0000000c 761#define SCTP_LOC_13 0x0000000d 762#define SCTP_LOC_14 0x0000000e 763#define SCTP_LOC_15 0x0000000f 764#define SCTP_LOC_16 0x00000010 765#define SCTP_LOC_17 0x00000011 766#define SCTP_LOC_18 0x00000012 767#define SCTP_LOC_19 0x00000013 768#define SCTP_LOC_20 0x00000014 769#define SCTP_LOC_21 0x00000015 770#define SCTP_LOC_22 0x00000016 771#define SCTP_LOC_23 0x00000017 772#define SCTP_LOC_24 0x00000018 773#define SCTP_LOC_25 0x00000019 774#define SCTP_LOC_26 0x0000001a 775#define SCTP_LOC_27 0x0000001b 776#define SCTP_LOC_28 0x0000001c 777#define SCTP_LOC_29 0x0000001d 778#define SCTP_LOC_30 0x0000001e 779#define SCTP_LOC_31 0x0000001f 780#define SCTP_LOC_32 0x00000020 781#define SCTP_LOC_33 0x00000021 782#define SCTP_LOC_34 0x00000022 783#define SCTP_LOC_35 0x00000023 784#define SCTP_LOC_36 0x00000024 785#define SCTP_LOC_37 0x00000025 786 787/* Free assoc codes */ 788#define SCTP_NORMAL_PROC 0 789#define SCTP_PCBFREE_NOFORCE 1 790#define SCTP_PCBFREE_FORCE 2 791 792/* From codes for adding addresses */ 793#define SCTP_ADDR_IS_CONFIRMED 8 794#define SCTP_ADDR_DYNAMIC_ADDED 6 795#define SCTP_IN_COOKIE_PROC 100 796#define SCTP_ALLOC_ASOC 1 797#define SCTP_LOAD_ADDR_2 2 798#define SCTP_LOAD_ADDR_3 3 799#define SCTP_LOAD_ADDR_4 4 800#define SCTP_LOAD_ADDR_5 5 801 802#define SCTP_DONOT_SETSCOPE 0 803#define SCTP_DO_SETSCOPE 1 804 805/* This value determines the default for when 806 * we try to add more on the send queue., if 807 * there is room. This prevents us from cycling 808 * into the copy_resume routine to often if 809 * we have not got enough space to add a decent 810 * enough size message. Note that if we have enough 811 * space to complete the message copy we will always 812 * add to the message, no matter what the size. Its 813 * only when we reach the point that we have some left 814 * to add, there is only room for part of it that we 815 * will use this threshold. Its also a sysctl. 816 */ 817#define SCTP_DEFAULT_ADD_MORE 1452 818 819#ifndef SCTP_PCBHASHSIZE 820/* default number of association hash buckets in each endpoint */ 821#define SCTP_PCBHASHSIZE 256 822#endif 823#ifndef SCTP_TCBHASHSIZE 824#define SCTP_TCBHASHSIZE 1024 825#endif 826 827#ifndef SCTP_CHUNKQUEUE_SCALE 828#define SCTP_CHUNKQUEUE_SCALE 10 829#endif 830 831/* clock variance is 1 ms */ 832#define SCTP_CLOCK_GRANULARITY 1 833#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 834 * detracts a small amount for ipv4 but it 835 * simplifies the ipv6 addition */ 836 837/* Argument magic number for sctp_inpcb_free() */ 838 839/* third argument */ 840#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 841#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 842#define SCTP_CALLED_FROM_INPKILL_TIMER 2 843/* second argument */ 844#define SCTP_FREE_SHOULD_USE_ABORT 1 845#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 846 847#ifndef IPPROTO_SCTP 848#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 849#endif /* !IPPROTO_SCTP */ 850 851#define SCTP_MAX_DATA_BUNDLING 256 852 853/* modular comparison */ 854/* See RFC 1982 for details. */ 855#define SCTP_UINT16_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \ 856 ((a > b) && ((uint16_t)(a - b) < (1U<<15)))) 857#define SCTP_UINT16_GE(a, b) (SCTP_UINT16_GT(a, b) || (a == b)) 858#define SCTP_UINT32_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \ 859 ((a > b) && ((uint32_t)(a - b) < (1U<<31)))) 860#define SCTP_UINT32_GE(a, b) (SCTP_UINT32_GT(a, b) || (a == b)) 861 862#define SCTP_SSN_GT(a, b) SCTP_UINT16_GT(a, b) 863#define SCTP_SSN_GE(a, b) SCTP_UINT16_GE(a, b) 864#define SCTP_TSN_GT(a, b) SCTP_UINT32_GT(a, b) 865#define SCTP_TSN_GE(a, b) SCTP_UINT32_GE(a, b) 866#define SCTP_MID_GT(i, a, b) (((i) == 1) ? SCTP_UINT32_GT(a, b) : SCTP_UINT16_GT((uint16_t)a, (uint16_t)b)) 867#define SCTP_MID_GE(i, a, b) (((i) == 1) ? SCTP_UINT32_GE(a, b) : SCTP_UINT16_GE((uint16_t)a, (uint16_t)b)) 868#define SCTP_MID_EQ(i, a, b) (((i) == 1) ? a == b : (uint16_t)a == (uint16_t)b) 869 870/* Mapping array manipulation routines */ 871#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 872#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 873#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 874#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \ 875 if (tsn >= mapping_tsn) { \ 876 gap = tsn - mapping_tsn; \ 877 } else { \ 878 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \ 879 } \ 880 } while (0) 881 882#define SCTP_RETRAN_DONE -1 883#define SCTP_RETRAN_EXIT -2 884 885/* 886 * This value defines the number of vtag block time wait entry's per list 887 * element. Each entry will take 2 4 byte ints (and of course the overhead 888 * of the next pointer as well). Using 15 as an example will yield * ((8 * 889 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 890 * initialized. Increasing it to 31 would yield 256 bytes per block. 891 */ 892#define SCTP_NUMBER_IN_VTAG_BLOCK 15 893/* 894 * If we use the STACK option, we have an array of this size head pointers. 895 * This array is mod'd the with the size to find which bucket and then all 896 * entries must be searched to see if the tag is in timed wait. If so we 897 * reject it. 898 */ 899#define SCTP_STACK_VTAG_HASH_SIZE 32 900 901/* 902 * Number of seconds of time wait for a vtag. 903 */ 904#define SCTP_TIME_WAIT 60 905 906/* How many micro seconds is the cutoff from 907 * local lan type rtt's 908 */ 909 /* 910 * We allow 900us for the rtt. 911 */ 912#define SCTP_LOCAL_LAN_RTT 900 913#define SCTP_LAN_UNKNOWN 0 914#define SCTP_LAN_LOCAL 1 915#define SCTP_LAN_INTERNET 2 916 917#define SCTP_SEND_BUFFER_SPLITTING 0x00000001 918#define SCTP_RECV_BUFFER_SPLITTING 0x00000002 919 920/* The system retains a cache of free chunks such to 921 * cut down on calls the memory allocation system. There 922 * is a per association limit of free items and a overall 923 * system limit. If either one gets hit then the resource 924 * stops being cached. 925 */ 926 927#define SCTP_DEF_ASOC_RESC_LIMIT 10 928#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 929 930/*- 931 * defines for socket lock states. 932 * Used by __APPLE__ 933 */ 934#define SCTP_SO_LOCKED 1 935#define SCTP_SO_NOT_LOCKED 0 936 937/*- 938 * For address locks, do we hold the lock? 939 */ 940#define SCTP_ADDR_LOCKED 1 941#define SCTP_ADDR_NOT_LOCKED 0 942 943#define IN4_ISPRIVATE_ADDRESS(a) \ 944 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 945 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 946 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 947 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 948 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 949 (((uint8_t *)&(a)->s_addr)[1] == 168))) 950 951#define IN4_ISLOOPBACK_ADDRESS(a) \ 952 (((uint8_t *)&(a)->s_addr)[0] == 127) 953 954#define IN4_ISLINKLOCAL_ADDRESS(a) \ 955 ((((uint8_t *)&(a)->s_addr)[0] == 169) && \ 956 (((uint8_t *)&(a)->s_addr)[1] == 254)) 957 958/* Maximum size of optval for IPPROTO_SCTP level socket options. */ 959#define SCTP_SOCKET_OPTION_LIMIT (64 * 1024) 960 961#if defined(_KERNEL) 962#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 963#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 964#endif 965 966#if defined(_KERNEL) || defined(__Userspace__) 967#define sctp_sowwakeup(inp, so) \ 968do { \ 969 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 970 sctp_pcb_add_flags(inp, SCTP_PCB_FLAGS_WAKEOUTPUT); \ 971 } else { \ 972 sowwakeup(so); \ 973 } \ 974} while (0) 975 976#define sctp_sowwakeup_locked(inp, so) \ 977do { \ 978 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 979 sctp_pcb_add_flags(inp, SCTP_PCB_FLAGS_WAKEOUTPUT); \ 980 SOCKBUF_UNLOCK(&((so)->so_snd)); \ 981 } else { \ 982 sowwakeup_locked(so); \ 983 } \ 984} while (0) 985 986#define sctp_sorwakeup(inp, so) \ 987do { \ 988 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 989 sctp_pcb_add_flags(inp, SCTP_PCB_FLAGS_WAKEINPUT); \ 990 } else { \ 991 sorwakeup(so); \ 992 } \ 993} while (0) 994 995#define sctp_sorwakeup_locked(inp, so) \ 996do { \ 997 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 998 sctp_pcb_add_flags(inp, SCTP_PCB_FLAGS_WAKEINPUT); \ 999 SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1000 } else { \ 1001 sorwakeup_locked(so); \ 1002 } \ 1003} while (0) 1004 1005#endif /* _KERNEL || __Userspace__ */ 1006#endif 1007