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#include <sys/cdefs.h> 36__FBSDID("$FreeBSD$"); 37 38#ifndef _NETINET_SCTP_CONSTANTS_H_ 39#define _NETINET_SCTP_CONSTANTS_H_ 40 41 42/* IANA assigned port number for SCTP over UDP encapsulation */ 43#define SCTP_OVER_UDP_TUNNELING_PORT 9899 44 45/* Number of packets to get before sack sent by default */ 46#define SCTP_DEFAULT_SACK_FREQ 2 47 48/* Address limit - This variable is calculated 49 * based on an 65535 byte max ip packet. We take out 100 bytes 50 * for the cookie, 40 bytes for a v6 header and 32 51 * bytes for the init structure. A second init structure 52 * for the init-ack and then finally a third one for the 53 * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 54 * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 55 * Now whatever we send in the INIT() we need to allow to get back in the 56 * INIT-ACK plus all the values from INIT and INIT-ACK 57 * listed in the cookie. Plus we need some overhead for 58 * maybe copied parameters in the COOKIE. If we 59 * allow 1080 addresses, and each side has 1080 V6 addresses 60 * that will be 21600 bytes. In the INIT-ACK we will 61 * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 62 * about 500 bytes slack for misc things in the cookie. 63 */ 64#define SCTP_ADDRESS_LIMIT 1080 65 66/* We need at least 2k of space for us, inits 67 * larger than that lets abort. 68 */ 69#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 70 71/* Largest length of a chunk */ 72#define SCTP_MAX_CHUNK_LENGTH 0xffff 73/* Largest length of an error cause */ 74#define SCTP_MAX_CAUSE_LENGTH 0xffff 75/* Number of addresses where we just skip the counting */ 76#define SCTP_COUNT_LIMIT 40 77 78#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 79#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 80 81/* Number of ticks to delay before running 82 * iterator on an address change. 83 */ 84#define SCTP_ADDRESS_TICK_DELAY 2 85 86#define SCTP_VERSION_STRING "KAME-BSD 1.1" 87/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 88#define SCTP_AUDIT_SIZE 256 89 90 91#define SCTP_KTRHEAD_NAME "sctp_iterator" 92#define SCTP_KTHREAD_PAGES 0 93 94#define SCTP_MCORE_NAME "sctp_core_worker" 95 96 97/* If you support Multi-VRF how big to 98 * make the initial array of VRF's to. 99 */ 100#define SCTP_DEFAULT_VRF_SIZE 4 101 102/* JRS - Values defined for the HTCP algorithm */ 103#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 104#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 105#define BETA_MAX 102 /* 0.8 with shift << 7 */ 106 107/* Places that CWND log can happen from */ 108#define SCTP_CWND_LOG_FROM_FR 1 109#define SCTP_CWND_LOG_FROM_RTX 2 110#define SCTP_CWND_LOG_FROM_BRST 3 111#define SCTP_CWND_LOG_FROM_SS 4 112#define SCTP_CWND_LOG_FROM_CA 5 113#define SCTP_CWND_LOG_FROM_SAT 6 114#define SCTP_BLOCK_LOG_INTO_BLK 7 115#define SCTP_BLOCK_LOG_OUTOF_BLK 8 116#define SCTP_BLOCK_LOG_CHECK 9 117#define SCTP_STR_LOG_FROM_INTO_STRD 10 118#define SCTP_STR_LOG_FROM_IMMED_DEL 11 119#define SCTP_STR_LOG_FROM_INSERT_HD 12 120#define SCTP_STR_LOG_FROM_INSERT_MD 13 121#define SCTP_STR_LOG_FROM_INSERT_TL 14 122#define SCTP_STR_LOG_FROM_MARK_TSN 15 123#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 124#define SCTP_FR_LOG_BIGGEST_TSNS 17 125#define SCTP_FR_LOG_STRIKE_TEST 18 126#define SCTP_FR_LOG_STRIKE_CHUNK 19 127#define SCTP_FR_T3_TIMEOUT 20 128#define SCTP_MAP_PREPARE_SLIDE 21 129#define SCTP_MAP_SLIDE_FROM 22 130#define SCTP_MAP_SLIDE_RESULT 23 131#define SCTP_MAP_SLIDE_CLEARED 24 132#define SCTP_MAP_SLIDE_NONE 25 133#define SCTP_FR_T3_MARK_TIME 26 134#define SCTP_FR_T3_MARKED 27 135#define SCTP_FR_T3_STOPPED 28 136#define SCTP_FR_MARKED 30 137#define SCTP_CWND_LOG_NOADV_SS 31 138#define SCTP_CWND_LOG_NOADV_CA 32 139#define SCTP_MAX_BURST_APPLIED 33 140#define SCTP_MAX_IFP_APPLIED 34 141#define SCTP_MAX_BURST_ERROR_STOP 35 142#define SCTP_INCREASE_PEER_RWND 36 143#define SCTP_DECREASE_PEER_RWND 37 144#define SCTP_SET_PEER_RWND_VIA_SACK 38 145#define SCTP_LOG_MBCNT_INCREASE 39 146#define SCTP_LOG_MBCNT_DECREASE 40 147#define SCTP_LOG_MBCNT_CHKSET 41 148#define SCTP_LOG_NEW_SACK 42 149#define SCTP_LOG_TSN_ACKED 43 150#define SCTP_LOG_TSN_REVOKED 44 151#define SCTP_LOG_LOCK_TCB 45 152#define SCTP_LOG_LOCK_INP 46 153#define SCTP_LOG_LOCK_SOCK 47 154#define SCTP_LOG_LOCK_SOCKBUF_R 48 155#define SCTP_LOG_LOCK_SOCKBUF_S 49 156#define SCTP_LOG_LOCK_CREATE 50 157#define SCTP_LOG_INITIAL_RTT 51 158#define SCTP_LOG_RTTVAR 52 159#define SCTP_LOG_SBALLOC 53 160#define SCTP_LOG_SBFREE 54 161#define SCTP_LOG_SBRESULT 55 162#define SCTP_FR_DUPED 56 163#define SCTP_FR_MARKED_EARLY 57 164#define SCTP_FR_CWND_REPORT 58 165#define SCTP_FR_CWND_REPORT_START 59 166#define SCTP_FR_CWND_REPORT_STOP 60 167#define SCTP_CWND_LOG_FROM_SEND 61 168#define SCTP_CWND_INITIALIZATION 62 169#define SCTP_CWND_LOG_FROM_T3 63 170#define SCTP_CWND_LOG_FROM_SACK 64 171#define SCTP_CWND_LOG_NO_CUMACK 65 172#define SCTP_CWND_LOG_FROM_RESEND 66 173#define SCTP_FR_LOG_CHECK_STRIKE 67 174#define SCTP_SEND_NOW_COMPLETES 68 175#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 176#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 177#define SCTP_LOG_FREE_SENT 71 178#define SCTP_NAGLE_APPLIED 72 179#define SCTP_NAGLE_SKIPPED 73 180#define SCTP_WAKESND_FROM_SACK 74 181#define SCTP_WAKESND_FROM_FWDTSN 75 182#define SCTP_NOWAKE_FROM_SACK 76 183#define SCTP_CWNDLOG_PRESEND 77 184#define SCTP_CWNDLOG_ENDSEND 78 185#define SCTP_AT_END_OF_SACK 79 186#define SCTP_REASON_FOR_SC 80 187#define SCTP_BLOCK_LOG_INTO_BLKA 81 188#define SCTP_ENTER_USER_RECV 82 189#define SCTP_USER_RECV_SACKS 83 190#define SCTP_SORECV_BLOCKSA 84 191#define SCTP_SORECV_BLOCKSB 85 192#define SCTP_SORECV_DONE 86 193#define SCTP_SACK_RWND_UPDATE 87 194#define SCTP_SORECV_ENTER 88 195#define SCTP_SORECV_ENTERPL 89 196#define SCTP_MBUF_INPUT 90 197#define SCTP_MBUF_IALLOC 91 198#define SCTP_MBUF_IFREE 92 199#define SCTP_MBUF_ICOPY 93 200#define SCTP_MBUF_SPLIT 94 201#define SCTP_SORCV_FREECTL 95 202#define SCTP_SORCV_DOESCPY 96 203#define SCTP_SORCV_DOESLCK 97 204#define SCTP_SORCV_DOESADJ 98 205#define SCTP_SORCV_BOTWHILE 99 206#define SCTP_SORCV_PASSBF 100 207#define SCTP_SORCV_ADJD 101 208#define SCTP_UNKNOWN_MAX 102 209#define SCTP_RANDY_STUFF 103 210#define SCTP_RANDY_STUFF1 104 211#define SCTP_STRMOUT_LOG_ASSIGN 105 212#define SCTP_STRMOUT_LOG_SEND 106 213#define SCTP_FLIGHT_LOG_DOWN_CA 107 214#define SCTP_FLIGHT_LOG_UP 108 215#define SCTP_FLIGHT_LOG_DOWN_GAP 109 216#define SCTP_FLIGHT_LOG_DOWN_RSND 110 217#define SCTP_FLIGHT_LOG_UP_RSND 111 218#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 219#define SCTP_FLIGHT_LOG_DOWN_WP 113 220#define SCTP_FLIGHT_LOG_UP_REVOKE 114 221#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 222#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 223#define SCTP_SACK_LOG_NORMAL 117 224#define SCTP_SACK_LOG_EXPRESS 118 225#define SCTP_MAP_TSN_ENTERS 119 226#define SCTP_THRESHOLD_CLEAR 120 227#define SCTP_THRESHOLD_INCR 121 228#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122 229#define SCTP_FWD_TSN_CHECK 123 230#define SCTP_LOG_MAX_TYPES 124 231/* 232 * To turn on various logging, you must first enable 'options KTR' and 233 * you might want to bump the entires 'options KTR_ENTRIES=80000'. 234 * To get something to log you define one of the logging defines. 235 * (see LINT). 236 * 237 * This gets the compile in place, but you still need to turn the 238 * logging flag on too in the sysctl (see in sctp.h). 239 */ 240 241#define SCTP_LOG_EVENT_UNKNOWN 0 242#define SCTP_LOG_EVENT_CWND 1 243#define SCTP_LOG_EVENT_BLOCK 2 244#define SCTP_LOG_EVENT_STRM 3 245#define SCTP_LOG_EVENT_FR 4 246#define SCTP_LOG_EVENT_MAP 5 247#define SCTP_LOG_EVENT_MAXBURST 6 248#define SCTP_LOG_EVENT_RWND 7 249#define SCTP_LOG_EVENT_MBCNT 8 250#define SCTP_LOG_EVENT_SACK 9 251#define SCTP_LOG_LOCK_EVENT 10 252#define SCTP_LOG_EVENT_RTT 11 253#define SCTP_LOG_EVENT_SB 12 254#define SCTP_LOG_EVENT_NAGLE 13 255#define SCTP_LOG_EVENT_WAKE 14 256#define SCTP_LOG_MISC_EVENT 15 257#define SCTP_LOG_EVENT_CLOSE 16 258#define SCTP_LOG_EVENT_MBUF 17 259#define SCTP_LOG_CHUNK_PROC 18 260#define SCTP_LOG_ERROR_RET 19 261 262#define SCTP_LOG_MAX_EVENT 20 263 264#define SCTP_LOCK_UNKNOWN 2 265 266 267/* number of associations by default for zone allocation */ 268#define SCTP_MAX_NUM_OF_ASOC 40000 269/* how many addresses per assoc remote and local */ 270#define SCTP_SCALE_FOR_ADDR 2 271 272/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 273#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 274 275/* 276 * Threshold for rwnd updates, we have to read (sb_hiwat >> 277 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 278 * window update sack. When we look, we compare the last rwnd we sent vs the 279 * current rwnd. It too must be greater than this value. Using 3 divdes the 280 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 281 * to read 8k. This seems about right.. I hope :-D.. we do set a 282 * min of a MTU on it so if the rwnd is real small we will insist 283 * on a full MTU of 1500 bytes. 284 */ 285#define SCTP_RWND_HIWAT_SHIFT 3 286 287/* How much of the rwnd must the 288 * message be taking up to start partial delivery. 289 * We calculate this by shifing the hi_water (recv_win) 290 * left the following .. set to 1, when a message holds 291 * 1/2 the rwnd. If we set it to 2 when a message holds 292 * 1/4 the rwnd...etc.. 293 */ 294 295#define SCTP_PARTIAL_DELIVERY_SHIFT 1 296 297/* 298 * default HMAC for cookies, etc... use one of the AUTH HMAC id's 299 * SCTP_HMAC is the HMAC_ID to use 300 * SCTP_SIGNATURE_SIZE is the digest length 301 */ 302#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 303#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 304#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 305 306/* 307 * the SCTP protocol signature this includes the version number encoded in 308 * the last 4 bits of the signature. 309 */ 310#define PROTO_SIGNATURE_A 0x30000000 311#define SCTP_VERSION_NUMBER 0x3 312 313#define MAX_TSN 0xffffffff 314 315/* how many executions every N tick's */ 316#define SCTP_ITERATOR_MAX_AT_ONCE 20 317 318/* number of clock ticks between iterator executions */ 319#define SCTP_ITERATOR_TICKS 1 320 321/* 322 * option: If you comment out the following you will receive the old behavior 323 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 324 * happens right away with-out waiting for the flightsize to drop below the 325 * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 326 */ 327#define SCTP_IGNORE_CWND_ON_FR 1 328 329/* 330 * Adds implementors guide behavior to only use newest highest update in SACK 331 * gap ack's to figure out if you need to stroke a chunk for FR. 332 */ 333#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 334 335/* default max I can burst out after a fast retransmit, 0 disables it */ 336#define SCTP_DEF_MAX_BURST 4 337#define SCTP_DEF_HBMAX_BURST 4 338#define SCTP_DEF_FRMAX_BURST 4 339 340/* RTO calculation flag to say if it 341 * is safe to determine local lan or not. 342 */ 343#define SCTP_RTT_FROM_NON_DATA 0 344#define SCTP_RTT_FROM_DATA 1 345 346#define PR_SCTP_UNORDERED_FLAG 0x0001 347 348/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 349#define SCTP_FIRST_MBUF_RESV 68 350/* Packet transmit states in the sent field */ 351#define SCTP_DATAGRAM_UNSENT 0 352#define SCTP_DATAGRAM_SENT 1 353#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 354 * hit this value) */ 355#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 356 * hit this value) */ 357#define SCTP_DATAGRAM_RESEND 4 358#define SCTP_DATAGRAM_ACKED 10010 359#define SCTP_DATAGRAM_MARKED 20010 360#define SCTP_FORWARD_TSN_SKIP 30010 361#define SCTP_DATAGRAM_NR_ACKED 40010 362 363/* chunk output send from locations */ 364#define SCTP_OUTPUT_FROM_USR_SEND 0 365#define SCTP_OUTPUT_FROM_T3 1 366#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 367#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 368#define SCTP_OUTPUT_FROM_SACK_TMR 4 369#define SCTP_OUTPUT_FROM_SHUT_TMR 5 370#define SCTP_OUTPUT_FROM_HB_TMR 6 371#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 372#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 373#define SCTP_OUTPUT_FROM_STRRST_TMR 9 374#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 375#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 376#define SCTP_OUTPUT_FROM_STRRST_REQ 12 377#define SCTP_OUTPUT_FROM_USR_RCVD 13 378#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 379#define SCTP_OUTPUT_FROM_DRAIN 15 380#define SCTP_OUTPUT_FROM_CLOSING 16 381#define SCTP_OUTPUT_FROM_SOCKOPT 17 382 383/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 384 385/* align to 32-bit sizes */ 386#define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2) 387 388#define IS_SCTP_CONTROL(a) (((a)->chunk_type != SCTP_DATA) && ((a)->chunk_type != SCTP_IDATA)) 389#define IS_SCTP_DATA(a) (((a)->chunk_type == SCTP_DATA) || ((a)->chunk_type == SCTP_IDATA)) 390 391 392/* SCTP parameter types */ 393/*************0x0000 series*************/ 394#define SCTP_HEARTBEAT_INFO 0x0001 395#define SCTP_IPV4_ADDRESS 0x0005 396#define SCTP_IPV6_ADDRESS 0x0006 397#define SCTP_STATE_COOKIE 0x0007 398#define SCTP_UNRECOG_PARAM 0x0008 399#define SCTP_COOKIE_PRESERVE 0x0009 400#define SCTP_HOSTNAME_ADDRESS 0x000b 401#define SCTP_SUPPORTED_ADDRTYPE 0x000c 402 403/* RFC 6525 */ 404#define SCTP_STR_RESET_OUT_REQUEST 0x000d 405#define SCTP_STR_RESET_IN_REQUEST 0x000e 406#define SCTP_STR_RESET_TSN_REQUEST 0x000f 407#define SCTP_STR_RESET_RESPONSE 0x0010 408#define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011 409#define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012 410 411#define SCTP_MAX_RESET_PARAMS 2 412#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 413 414/*************0x4000 series*************/ 415 416/*************0x8000 series*************/ 417#define SCTP_ECN_CAPABLE 0x8000 418 419/* RFC 4895 */ 420#define SCTP_RANDOM 0x8002 421#define SCTP_CHUNK_LIST 0x8003 422#define SCTP_HMAC_LIST 0x8004 423/* RFC 4820 */ 424#define SCTP_PAD 0x8005 425/* RFC 5061 */ 426#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 427 428/*************0xC000 series*************/ 429#define SCTP_PRSCTP_SUPPORTED 0xc000 430/* RFC 5061 */ 431#define SCTP_ADD_IP_ADDRESS 0xc001 432#define SCTP_DEL_IP_ADDRESS 0xc002 433#define SCTP_ERROR_CAUSE_IND 0xc003 434#define SCTP_SET_PRIM_ADDR 0xc004 435#define SCTP_SUCCESS_REPORT 0xc005 436#define SCTP_ULP_ADAPTATION 0xc006 437/* behave-nat-draft */ 438#define SCTP_HAS_NAT_SUPPORT 0xc007 439#define SCTP_NAT_VTAGS 0xc008 440 441/* bits for TOS field */ 442#define SCTP_ECT0_BIT 0x02 443#define SCTP_ECT1_BIT 0x01 444#define SCTP_CE_BITS 0x03 445 446/* below turns off above */ 447#define SCTP_FLEXIBLE_ADDRESS 0x20 448#define SCTP_NO_HEARTBEAT 0x40 449 450/* mask to get sticky */ 451#define SCTP_STICKY_OPTIONS_MASK 0x0c 452 453 454/* 455 * SCTP states for internal state machine 456 */ 457#define SCTP_STATE_EMPTY 0x0000 458#define SCTP_STATE_INUSE 0x0001 459#define SCTP_STATE_COOKIE_WAIT 0x0002 460#define SCTP_STATE_COOKIE_ECHOED 0x0004 461#define SCTP_STATE_OPEN 0x0008 462#define SCTP_STATE_SHUTDOWN_SENT 0x0010 463#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 464#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 465#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 466#define SCTP_STATE_CLOSED_SOCKET 0x0100 467#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 468#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 469#define SCTP_STATE_WAS_ABORTED 0x0800 470#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000 471#define SCTP_STATE_MASK 0x007f 472 473#define SCTP_GET_STATE(_stcb) \ 474 ((_stcb)->asoc.state & SCTP_STATE_MASK) 475#define SCTP_SET_STATE(_stcb, _state) \ 476 sctp_set_state(_stcb, _state) 477#define SCTP_CLEAR_SUBSTATE(_stcb, _substate) \ 478 (_stcb)->asoc.state &= ~(_substate) 479#define SCTP_ADD_SUBSTATE(_stcb, _substate) \ 480 sctp_add_substate(_stcb, _substate) 481 482/* SCTP reachability state for each address */ 483#define SCTP_ADDR_REACHABLE 0x001 484#define SCTP_ADDR_NO_PMTUD 0x002 485#define SCTP_ADDR_NOHB 0x004 486#define SCTP_ADDR_BEING_DELETED 0x008 487#define SCTP_ADDR_NOT_IN_ASSOC 0x010 488#define SCTP_ADDR_OUT_OF_SCOPE 0x080 489#define SCTP_ADDR_UNCONFIRMED 0x200 490#define SCTP_ADDR_REQ_PRIMARY 0x400 491/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 492#define SCTP_ADDR_PF 0x800 493 494/* bound address types (e.g. valid address types to allow) */ 495#define SCTP_BOUND_V6 0x01 496#define SCTP_BOUND_V4 0x02 497 498/* 499 * what is the default number of mbufs in a chain I allow before switching to 500 * a cluster 501 */ 502#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 503 504/* How long a cookie lives in milli-seconds */ 505#define SCTP_DEFAULT_COOKIE_LIFE 60000 506 507/* Maximum the mapping array will grow to (TSN mapping array) */ 508#define SCTP_MAPPING_ARRAY 512 509 510/* size of the initial malloc on the mapping array */ 511#define SCTP_INITIAL_MAPPING_ARRAY 16 512/* how much we grow the mapping array each call */ 513#define SCTP_MAPPING_ARRAY_INCR 32 514 515/* 516 * Here we define the timer types used by the implementation as arguments in 517 * the set/get timer type calls. 518 */ 519#define SCTP_TIMER_INIT 0 520#define SCTP_TIMER_RECV 1 521#define SCTP_TIMER_SEND 2 522#define SCTP_TIMER_HEARTBEAT 3 523#define SCTP_TIMER_PMTU 4 524#define SCTP_TIMER_MAXSHUTDOWN 5 525#define SCTP_TIMER_SIGNATURE 6 526/* 527 * number of timer types in the base SCTP structure used in the set/get and 528 * has the base default. 529 */ 530#define SCTP_NUM_TMRS 7 531 532/* timer types */ 533#define SCTP_TIMER_TYPE_NONE 0 534#define SCTP_TIMER_TYPE_SEND 1 535#define SCTP_TIMER_TYPE_INIT 2 536#define SCTP_TIMER_TYPE_RECV 3 537#define SCTP_TIMER_TYPE_SHUTDOWN 4 538#define SCTP_TIMER_TYPE_HEARTBEAT 5 539#define SCTP_TIMER_TYPE_COOKIE 6 540#define SCTP_TIMER_TYPE_NEWCOOKIE 7 541#define SCTP_TIMER_TYPE_PATHMTURAISE 8 542#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 543#define SCTP_TIMER_TYPE_ASCONF 10 544#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 545#define SCTP_TIMER_TYPE_AUTOCLOSE 12 546#define SCTP_TIMER_TYPE_STRRESET 13 547#define SCTP_TIMER_TYPE_INPKILL 14 548#define SCTP_TIMER_TYPE_ASOCKILL 15 549#define SCTP_TIMER_TYPE_ADDR_WQ 16 550#define SCTP_TIMER_TYPE_PRIM_DELETED 17 551/* add new timers here - and increment LAST */ 552#define SCTP_TIMER_TYPE_LAST 18 553 554#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 555 ((t) < SCTP_TIMER_TYPE_LAST)) 556 557 558 559/* max number of TSN's dup'd that I will hold */ 560#define SCTP_MAX_DUP_TSNS 20 561 562/* 563 * Here we define the types used when setting the retry amounts. 564 */ 565/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 566#define SCTP_RETRY_DROPPED_THRESH 4 567 568/* 569 * Maxmium number of chunks a single association can have on it. Note that 570 * this is a squishy number since the count can run over this if the user 571 * sends a large message down .. the fragmented chunks don't count until 572 * AFTER the message is on queue.. it would be the next send that blocks 573 * things. This number will get tuned up at boot in the sctp_init and use the 574 * number of clusters as a base. This way high bandwidth environments will 575 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 576 */ 577#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 578 579/* 580 * Basically the minimum amount of time before I do a early FR. Making this 581 * value to low will cause duplicate retransmissions. 582 */ 583#define SCTP_MINFR_MSEC_TIMER 250 584/* The floor this value is allowed to fall to when starting a timer. */ 585#define SCTP_MINFR_MSEC_FLOOR 20 586 587/* init timer def = 1 sec */ 588#define SCTP_INIT_SEC 1 589 590/* send timer def = 1 seconds */ 591#define SCTP_SEND_SEC 1 592 593/* recv timer def = 200ms */ 594#define SCTP_RECV_MSEC 200 595 596/* 30 seconds + RTO (in ms) */ 597#define SCTP_HB_DEFAULT_MSEC 30000 598 599/* 600 * This is how long a secret lives, NOT how long a cookie lives how many 601 * ticks the current secret will live. 602 */ 603#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 604 605#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 606#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */ 607#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 608 609 610#define SCTP_INP_KILL_TIMEOUT 20 /* number of ms to retry kill of inpcb */ 611#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 612 613#define SCTP_DEF_MAX_INIT 8 614#define SCTP_DEF_MAX_SEND 10 615#define SCTP_DEF_MAX_PATH_RTX 5 616#define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX 617 618#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 619 620 621/* How many streams I request initially by default */ 622#define SCTP_OSTREAM_INITIAL 10 623#define SCTP_ISTREAM_INITIAL 2048 624 625/* 626 * How many smallest_mtu's need to increase before a window update sack is 627 * sent (should be a power of 2). 628 */ 629/* Send window update (incr * this > hiwat). Should be a power of 2 */ 630#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 631 632#define SCTP_ADDRMAX 16 633 634/* SCTP DEBUG Switch parameters */ 635#define SCTP_DEBUG_TIMER1 0x00000001 636#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 637#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 638#define SCTP_DEBUG_TIMER4 0x00000008 639#define SCTP_DEBUG_OUTPUT1 0x00000010 640#define SCTP_DEBUG_OUTPUT2 0x00000020 641#define SCTP_DEBUG_OUTPUT3 0x00000040 642#define SCTP_DEBUG_OUTPUT4 0x00000080 643#define SCTP_DEBUG_UTIL1 0x00000100 644#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 645#define SCTP_DEBUG_AUTH1 0x00000400 646#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 647#define SCTP_DEBUG_INPUT1 0x00001000 648#define SCTP_DEBUG_INPUT2 0x00002000 649#define SCTP_DEBUG_INPUT3 0x00004000 650#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 651#define SCTP_DEBUG_ASCONF1 0x00010000 652#define SCTP_DEBUG_ASCONF2 0x00020000 653#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 654#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 655#define SCTP_DEBUG_PCB1 0x00100000 656#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 657#define SCTP_DEBUG_PCB3 0x00400000 658#define SCTP_DEBUG_PCB4 0x00800000 659#define SCTP_DEBUG_INDATA1 0x01000000 660#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 661#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 662#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 663#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 664#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 665#define SCTP_DEBUG_PEEL1 0x40000000 666#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 667#define SCTP_DEBUG_ALL 0x7ff3ffff 668#define SCTP_DEBUG_NOISY 0x00040000 669 670/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 671#define SCTP_SWS_SENDER_DEF 1420 672 673/* 674 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 675 * would be hiwat/2 etc. 676 */ 677/* What receiver needs to see in sockbuf or we tell peer its 1 */ 678#define SCTP_SWS_RECEIVER_DEF 3000 679 680#define SCTP_INITIAL_CWND 4380 681 682#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 683/* amount peer is obligated to have in rwnd or I will abort */ 684#define SCTP_MIN_RWND 1500 685 686#define SCTP_DEFAULT_MAXSEGMENT 65535 687 688#define SCTP_CHUNK_BUFFER_SIZE 512 689#define SCTP_PARAM_BUFFER_SIZE 512 690 691/* small chunk store for looking at chunk_list in auth */ 692#define SCTP_SMALL_CHUNK_STORE 260 693 694#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 695 696#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 697#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 698 699 700/* 701 * SCTP upper layer notifications 702 */ 703#define SCTP_NOTIFY_ASSOC_UP 1 704#define SCTP_NOTIFY_ASSOC_DOWN 2 705#define SCTP_NOTIFY_INTERFACE_DOWN 3 706#define SCTP_NOTIFY_INTERFACE_UP 4 707#define SCTP_NOTIFY_SENT_DG_FAIL 5 708#define SCTP_NOTIFY_UNSENT_DG_FAIL 6 709#define SCTP_NOTIFY_SPECIAL_SP_FAIL 7 710#define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8 711#define SCTP_NOTIFY_ASSOC_REM_ABORTED 9 712#define SCTP_NOTIFY_ASSOC_RESTART 10 713#define SCTP_NOTIFY_PEER_SHUTDOWN 11 714#define SCTP_NOTIFY_ASCONF_ADD_IP 12 715#define SCTP_NOTIFY_ASCONF_DELETE_IP 13 716#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14 717#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15 718#define SCTP_NOTIFY_INTERFACE_CONFIRMED 16 719#define SCTP_NOTIFY_STR_RESET_RECV 17 720#define SCTP_NOTIFY_STR_RESET_SEND 18 721#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19 722#define SCTP_NOTIFY_STR_RESET_FAILED_IN 20 723#define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21 724#define SCTP_NOTIFY_STR_RESET_DENIED_IN 22 725#define SCTP_NOTIFY_AUTH_NEW_KEY 23 726#define SCTP_NOTIFY_AUTH_FREE_KEY 24 727#define SCTP_NOTIFY_NO_PEER_AUTH 25 728#define SCTP_NOTIFY_SENDER_DRY 26 729#define SCTP_NOTIFY_REMOTE_ERROR 27 730 731/* This is the value for messages that are NOT completely 732 * copied down where we will start to split the message. 733 * So, with our default, we split only if the piece we 734 * want to take will fill up a full MTU (assuming 735 * a 1500 byte MTU). 736 */ 737#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 738 739/* Maximum length of diagnostic information in error causes */ 740#define SCTP_DIAG_INFO_LEN 128 741 742/* ABORT CODES and other tell-tale location 743 * codes are generated by adding the below 744 * to the instance id. 745 */ 746 747/* File defines */ 748#define SCTP_FROM_SCTP_INPUT 0x10000000 749#define SCTP_FROM_SCTP_PCB 0x20000000 750#define SCTP_FROM_SCTP_INDATA 0x30000000 751#define SCTP_FROM_SCTP_TIMER 0x40000000 752#define SCTP_FROM_SCTP_USRREQ 0x50000000 753#define SCTP_FROM_SCTPUTIL 0x60000000 754#define SCTP_FROM_SCTP6_USRREQ 0x70000000 755#define SCTP_FROM_SCTP_ASCONF 0x80000000 756#define SCTP_FROM_SCTP_OUTPUT 0x90000000 757#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 758#define SCTP_FROM_SCTP_SYSCTL 0xb0000000 759#define SCTP_FROM_SCTP_CC_FUNCTIONS 0xc0000000 760 761/* Location ID's */ 762#define SCTP_LOC_1 0x00000001 763#define SCTP_LOC_2 0x00000002 764#define SCTP_LOC_3 0x00000003 765#define SCTP_LOC_4 0x00000004 766#define SCTP_LOC_5 0x00000005 767#define SCTP_LOC_6 0x00000006 768#define SCTP_LOC_7 0x00000007 769#define SCTP_LOC_8 0x00000008 770#define SCTP_LOC_9 0x00000009 771#define SCTP_LOC_10 0x0000000a 772#define SCTP_LOC_11 0x0000000b 773#define SCTP_LOC_12 0x0000000c 774#define SCTP_LOC_13 0x0000000d 775#define SCTP_LOC_14 0x0000000e 776#define SCTP_LOC_15 0x0000000f 777#define SCTP_LOC_16 0x00000010 778#define SCTP_LOC_17 0x00000011 779#define SCTP_LOC_18 0x00000012 780#define SCTP_LOC_19 0x00000013 781#define SCTP_LOC_20 0x00000014 782#define SCTP_LOC_21 0x00000015 783#define SCTP_LOC_22 0x00000016 784#define SCTP_LOC_23 0x00000017 785#define SCTP_LOC_24 0x00000018 786#define SCTP_LOC_25 0x00000019 787#define SCTP_LOC_26 0x0000001a 788#define SCTP_LOC_27 0x0000001b 789#define SCTP_LOC_28 0x0000001c 790#define SCTP_LOC_29 0x0000001d 791#define SCTP_LOC_30 0x0000001e 792#define SCTP_LOC_31 0x0000001f 793#define SCTP_LOC_32 0x00000020 794#define SCTP_LOC_33 0x00000021 795#define SCTP_LOC_34 0x00000022 796#define SCTP_LOC_35 0x00000023 797#define SCTP_LOC_36 0x00000024 798#define SCTP_LOC_37 0x00000025 799 800/* Free assoc codes */ 801#define SCTP_NORMAL_PROC 0 802#define SCTP_PCBFREE_NOFORCE 1 803#define SCTP_PCBFREE_FORCE 2 804 805/* From codes for adding addresses */ 806#define SCTP_ADDR_IS_CONFIRMED 8 807#define SCTP_ADDR_DYNAMIC_ADDED 6 808#define SCTP_IN_COOKIE_PROC 100 809#define SCTP_ALLOC_ASOC 1 810#define SCTP_LOAD_ADDR_2 2 811#define SCTP_LOAD_ADDR_3 3 812#define SCTP_LOAD_ADDR_4 4 813#define SCTP_LOAD_ADDR_5 5 814 815#define SCTP_DONOT_SETSCOPE 0 816#define SCTP_DO_SETSCOPE 1 817 818 819/* This value determines the default for when 820 * we try to add more on the send queue., if 821 * there is room. This prevents us from cycling 822 * into the copy_resume routine to often if 823 * we have not got enough space to add a decent 824 * enough size message. Note that if we have enough 825 * space to complete the message copy we will always 826 * add to the message, no matter what the size. Its 827 * only when we reach the point that we have some left 828 * to add, there is only room for part of it that we 829 * will use this threshold. Its also a sysctl. 830 */ 831#define SCTP_DEFAULT_ADD_MORE 1452 832 833#ifndef SCTP_PCBHASHSIZE 834/* default number of association hash buckets in each endpoint */ 835#define SCTP_PCBHASHSIZE 256 836#endif 837#ifndef SCTP_TCBHASHSIZE 838#define SCTP_TCBHASHSIZE 1024 839#endif 840 841#ifndef SCTP_CHUNKQUEUE_SCALE 842#define SCTP_CHUNKQUEUE_SCALE 10 843#endif 844 845/* clock variance is 1 ms */ 846#define SCTP_CLOCK_GRANULARITY 1 847#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 848 * detracts a small amount for ipv4 but it 849 * simplifies the ipv6 addition */ 850 851/* Argument magic number for sctp_inpcb_free() */ 852 853/* third argument */ 854#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 855#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 856#define SCTP_CALLED_FROM_INPKILL_TIMER 2 857/* second argument */ 858#define SCTP_FREE_SHOULD_USE_ABORT 1 859#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 860 861#ifndef IPPROTO_SCTP 862#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 863#endif /* !IPPROTO_SCTP */ 864 865#define SCTP_MAX_DATA_BUNDLING 256 866 867/* modular comparison */ 868/* See RFC 1982 for details. */ 869#define SCTP_UINT16_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \ 870 ((a > b) && ((uint16_t)(a - b) < (1U<<15)))) 871#define SCTP_UINT16_GE(a, b) (SCTP_UINT16_GT(a, b) || (a == b)) 872#define SCTP_UINT32_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \ 873 ((a > b) && ((uint32_t)(a - b) < (1U<<31)))) 874#define SCTP_UINT32_GE(a, b) (SCTP_UINT32_GT(a, b) || (a == b)) 875 876#define SCTP_SSN_GT(a, b) SCTP_UINT16_GT(a, b) 877#define SCTP_SSN_GE(a, b) SCTP_UINT16_GE(a, b) 878#define SCTP_TSN_GT(a, b) SCTP_UINT32_GT(a, b) 879#define SCTP_TSN_GE(a, b) SCTP_UINT32_GE(a, b) 880#define SCTP_MID_GT(i, a, b) (((i) == 1) ? SCTP_UINT32_GT(a, b) : SCTP_UINT16_GT((uint16_t)a, (uint16_t)b)) 881#define SCTP_MID_GE(i, a, b) (((i) == 1) ? SCTP_UINT32_GE(a, b) : SCTP_UINT16_GE((uint16_t)a, (uint16_t)b)) 882#define SCTP_MID_EQ(i, a, b) (((i) == 1) ? a == b : (uint16_t)a == (uint16_t)b) 883 884/* Mapping array manipulation routines */ 885#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 886#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 887#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 888#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \ 889 if (tsn >= mapping_tsn) { \ 890 gap = tsn - mapping_tsn; \ 891 } else { \ 892 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \ 893 } \ 894 } while (0) 895 896 897#define SCTP_RETRAN_DONE -1 898#define SCTP_RETRAN_EXIT -2 899 900/* 901 * This value defines the number of vtag block time wait entry's per list 902 * element. Each entry will take 2 4 byte ints (and of course the overhead 903 * of the next pointer as well). Using 15 as an example will yield * ((8 * 904 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 905 * initialized. Increasing it to 31 would yield 256 bytes per block. 906 */ 907#define SCTP_NUMBER_IN_VTAG_BLOCK 15 908/* 909 * If we use the STACK option, we have an array of this size head pointers. 910 * This array is mod'd the with the size to find which bucket and then all 911 * entries must be searched to see if the tag is in timed wait. If so we 912 * reject it. 913 */ 914#define SCTP_STACK_VTAG_HASH_SIZE 32 915 916/* 917 * Number of seconds of time wait for a vtag. 918 */ 919#define SCTP_TIME_WAIT 60 920 921/* How many micro seconds is the cutoff from 922 * local lan type rtt's 923 */ 924 /* 925 * We allow 900us for the rtt. 926 */ 927#define SCTP_LOCAL_LAN_RTT 900 928#define SCTP_LAN_UNKNOWN 0 929#define SCTP_LAN_LOCAL 1 930#define SCTP_LAN_INTERNET 2 931 932#define SCTP_SEND_BUFFER_SPLITTING 0x00000001 933#define SCTP_RECV_BUFFER_SPLITTING 0x00000002 934 935/* The system retains a cache of free chunks such to 936 * cut down on calls the memory allocation system. There 937 * is a per association limit of free items and a overall 938 * system limit. If either one gets hit then the resource 939 * stops being cached. 940 */ 941 942#define SCTP_DEF_ASOC_RESC_LIMIT 10 943#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 944 945/*- 946 * defines for socket lock states. 947 * Used by __APPLE__ 948 */ 949#define SCTP_SO_LOCKED 1 950#define SCTP_SO_NOT_LOCKED 0 951 952 953/*- 954 * For address locks, do we hold the lock? 955 */ 956#define SCTP_ADDR_LOCKED 1 957#define SCTP_ADDR_NOT_LOCKED 0 958 959#define IN4_ISPRIVATE_ADDRESS(a) \ 960 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 961 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 962 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 963 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 964 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 965 (((uint8_t *)&(a)->s_addr)[1] == 168))) 966 967#define IN4_ISLOOPBACK_ADDRESS(a) \ 968 (((uint8_t *)&(a)->s_addr)[0] == 127) 969 970#define IN4_ISLINKLOCAL_ADDRESS(a) \ 971 ((((uint8_t *)&(a)->s_addr)[0] == 169) && \ 972 (((uint8_t *)&(a)->s_addr)[1] == 254)) 973 974/* Maximum size of optval for IPPROTO_SCTP level socket options. */ 975#define SCTP_SOCKET_OPTION_LIMIT (64 * 1024) 976 977 978#if defined(_KERNEL) 979#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 980#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 981#endif 982 983#if defined(_KERNEL) || defined(__Userspace__) 984#define sctp_sowwakeup(inp, so) \ 985do { \ 986 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 987 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 988 } else { \ 989 sowwakeup(so); \ 990 } \ 991} while (0) 992 993#define sctp_sowwakeup_locked(inp, so) \ 994do { \ 995 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 996 SOCKBUF_UNLOCK(&((so)->so_snd)); \ 997 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 998 } else { \ 999 sowwakeup_locked(so); \ 1000 } \ 1001} while (0) 1002 1003#define sctp_sorwakeup(inp, so) \ 1004do { \ 1005 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1006 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1007 } else { \ 1008 sorwakeup(so); \ 1009 } \ 1010} while (0) 1011 1012#define sctp_sorwakeup_locked(inp, so) \ 1013do { \ 1014 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1015 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1016 SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1017 } else { \ 1018 sorwakeup_locked(so); \ 1019 } \ 1020} while (0) 1021 1022#endif /* _KERNEL || __Userspace__ */ 1023#endif 1024