1/*- 2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/11/sys/netinet/sctp_constants.h 360767 2020-05-07 03:27:10Z tuexen $"); 35 36#ifndef _NETINET_SCTP_CONSTANTS_H_ 37#define _NETINET_SCTP_CONSTANTS_H_ 38 39 40/* IANA assigned port number for SCTP over UDP encapsulation */ 41#define SCTP_OVER_UDP_TUNNELING_PORT 9899 42 43/* Number of packets to get before sack sent by default */ 44#define SCTP_DEFAULT_SACK_FREQ 2 45 46/* Address limit - This variable is calculated 47 * based on an 65535 byte max ip packet. We take out 100 bytes 48 * for the cookie, 40 bytes for a v6 header and 32 49 * bytes for the init structure. A second init structure 50 * for the init-ack and then finally a third one for the 51 * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 52 * This leaves 65299 bytes for addresses. We throw out the 299 bytes. 53 * Now whatever we send in the INIT() we need to allow to get back in the 54 * INIT-ACK plus all the values from INIT and INIT-ACK 55 * listed in the cookie. Plus we need some overhead for 56 * maybe copied parameters in the COOKIE. If we 57 * allow 1080 addresses, and each side has 1080 V6 addresses 58 * that will be 21600 bytes. In the INIT-ACK we will 59 * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 60 * about 500 bytes slack for misc things in the cookie. 61 */ 62#define SCTP_ADDRESS_LIMIT 1080 63 64/* We need at least 2k of space for us, inits 65 * larger than that lets abort. 66 */ 67#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048) 68 69/* Largest length of a chunk */ 70#define SCTP_MAX_CHUNK_LENGTH 0xffff 71/* Largest length of an error cause */ 72#define SCTP_MAX_CAUSE_LENGTH 0xffff 73/* Number of addresses where we just skip the counting */ 74#define SCTP_COUNT_LIMIT 40 75 76#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000) 77#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000) 78 79/* Number of ticks to delay before running 80 * iterator on an address change. 81 */ 82#define SCTP_ADDRESS_TICK_DELAY 2 83 84#define SCTP_VERSION_STRING "KAME-BSD 1.1" 85/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 86#define SCTP_AUDIT_SIZE 256 87 88 89#define SCTP_KTRHEAD_NAME "sctp_iterator" 90#define SCTP_KTHREAD_PAGES 0 91 92#define SCTP_MCORE_NAME "sctp_core_worker" 93 94 95/* If you support Multi-VRF how big to 96 * make the initial array of VRF's to. 97 */ 98#define SCTP_DEFAULT_VRF_SIZE 4 99 100/* JRS - Values defined for the HTCP algorithm */ 101#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */ 102#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */ 103#define BETA_MAX 102 /* 0.8 with shift << 7 */ 104 105/* Places that CWND log can happen from */ 106#define SCTP_CWND_LOG_FROM_FR 1 107#define SCTP_CWND_LOG_FROM_RTX 2 108#define SCTP_CWND_LOG_FROM_BRST 3 109#define SCTP_CWND_LOG_FROM_SS 4 110#define SCTP_CWND_LOG_FROM_CA 5 111#define SCTP_CWND_LOG_FROM_SAT 6 112#define SCTP_BLOCK_LOG_INTO_BLK 7 113#define SCTP_BLOCK_LOG_OUTOF_BLK 8 114#define SCTP_BLOCK_LOG_CHECK 9 115#define SCTP_STR_LOG_FROM_INTO_STRD 10 116#define SCTP_STR_LOG_FROM_IMMED_DEL 11 117#define SCTP_STR_LOG_FROM_INSERT_HD 12 118#define SCTP_STR_LOG_FROM_INSERT_MD 13 119#define SCTP_STR_LOG_FROM_INSERT_TL 14 120#define SCTP_STR_LOG_FROM_MARK_TSN 15 121#define SCTP_STR_LOG_FROM_EXPRS_DEL 16 122#define SCTP_FR_LOG_BIGGEST_TSNS 17 123#define SCTP_FR_LOG_STRIKE_TEST 18 124#define SCTP_FR_LOG_STRIKE_CHUNK 19 125#define SCTP_FR_T3_TIMEOUT 20 126#define SCTP_MAP_PREPARE_SLIDE 21 127#define SCTP_MAP_SLIDE_FROM 22 128#define SCTP_MAP_SLIDE_RESULT 23 129#define SCTP_MAP_SLIDE_CLEARED 24 130#define SCTP_MAP_SLIDE_NONE 25 131#define SCTP_FR_T3_MARK_TIME 26 132#define SCTP_FR_T3_MARKED 27 133#define SCTP_FR_T3_STOPPED 28 134#define SCTP_FR_MARKED 30 135#define SCTP_CWND_LOG_NOADV_SS 31 136#define SCTP_CWND_LOG_NOADV_CA 32 137#define SCTP_MAX_BURST_APPLIED 33 138#define SCTP_MAX_IFP_APPLIED 34 139#define SCTP_MAX_BURST_ERROR_STOP 35 140#define SCTP_INCREASE_PEER_RWND 36 141#define SCTP_DECREASE_PEER_RWND 37 142#define SCTP_SET_PEER_RWND_VIA_SACK 38 143#define SCTP_LOG_MBCNT_INCREASE 39 144#define SCTP_LOG_MBCNT_DECREASE 40 145#define SCTP_LOG_MBCNT_CHKSET 41 146#define SCTP_LOG_NEW_SACK 42 147#define SCTP_LOG_TSN_ACKED 43 148#define SCTP_LOG_TSN_REVOKED 44 149#define SCTP_LOG_LOCK_TCB 45 150#define SCTP_LOG_LOCK_INP 46 151#define SCTP_LOG_LOCK_SOCK 47 152#define SCTP_LOG_LOCK_SOCKBUF_R 48 153#define SCTP_LOG_LOCK_SOCKBUF_S 49 154#define SCTP_LOG_LOCK_CREATE 50 155#define SCTP_LOG_INITIAL_RTT 51 156#define SCTP_LOG_RTTVAR 52 157#define SCTP_LOG_SBALLOC 53 158#define SCTP_LOG_SBFREE 54 159#define SCTP_LOG_SBRESULT 55 160#define SCTP_FR_DUPED 56 161#define SCTP_FR_MARKED_EARLY 57 162#define SCTP_FR_CWND_REPORT 58 163#define SCTP_FR_CWND_REPORT_START 59 164#define SCTP_FR_CWND_REPORT_STOP 60 165#define SCTP_CWND_LOG_FROM_SEND 61 166#define SCTP_CWND_INITIALIZATION 62 167#define SCTP_CWND_LOG_FROM_T3 63 168#define SCTP_CWND_LOG_FROM_SACK 64 169#define SCTP_CWND_LOG_NO_CUMACK 65 170#define SCTP_CWND_LOG_FROM_RESEND 66 171#define SCTP_FR_LOG_CHECK_STRIKE 67 172#define SCTP_SEND_NOW_COMPLETES 68 173#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 174#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 175#define SCTP_LOG_FREE_SENT 71 176#define SCTP_NAGLE_APPLIED 72 177#define SCTP_NAGLE_SKIPPED 73 178#define SCTP_WAKESND_FROM_SACK 74 179#define SCTP_WAKESND_FROM_FWDTSN 75 180#define SCTP_NOWAKE_FROM_SACK 76 181#define SCTP_CWNDLOG_PRESEND 77 182#define SCTP_CWNDLOG_ENDSEND 78 183#define SCTP_AT_END_OF_SACK 79 184#define SCTP_REASON_FOR_SC 80 185#define SCTP_BLOCK_LOG_INTO_BLKA 81 186#define SCTP_ENTER_USER_RECV 82 187#define SCTP_USER_RECV_SACKS 83 188#define SCTP_SORECV_BLOCKSA 84 189#define SCTP_SORECV_BLOCKSB 85 190#define SCTP_SORECV_DONE 86 191#define SCTP_SACK_RWND_UPDATE 87 192#define SCTP_SORECV_ENTER 88 193#define SCTP_SORECV_ENTERPL 89 194#define SCTP_MBUF_INPUT 90 195#define SCTP_MBUF_IALLOC 91 196#define SCTP_MBUF_IFREE 92 197#define SCTP_MBUF_ICOPY 93 198#define SCTP_MBUF_SPLIT 94 199#define SCTP_SORCV_FREECTL 95 200#define SCTP_SORCV_DOESCPY 96 201#define SCTP_SORCV_DOESLCK 97 202#define SCTP_SORCV_DOESADJ 98 203#define SCTP_SORCV_BOTWHILE 99 204#define SCTP_SORCV_PASSBF 100 205#define SCTP_SORCV_ADJD 101 206#define SCTP_UNKNOWN_MAX 102 207#define SCTP_RANDY_STUFF 103 208#define SCTP_RANDY_STUFF1 104 209#define SCTP_STRMOUT_LOG_ASSIGN 105 210#define SCTP_STRMOUT_LOG_SEND 106 211#define SCTP_FLIGHT_LOG_DOWN_CA 107 212#define SCTP_FLIGHT_LOG_UP 108 213#define SCTP_FLIGHT_LOG_DOWN_GAP 109 214#define SCTP_FLIGHT_LOG_DOWN_RSND 110 215#define SCTP_FLIGHT_LOG_UP_RSND 111 216#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112 217#define SCTP_FLIGHT_LOG_DOWN_WP 113 218#define SCTP_FLIGHT_LOG_UP_REVOKE 114 219#define SCTP_FLIGHT_LOG_DOWN_PDRP 115 220#define SCTP_FLIGHT_LOG_DOWN_PMTU 116 221#define SCTP_SACK_LOG_NORMAL 117 222#define SCTP_SACK_LOG_EXPRESS 118 223#define SCTP_MAP_TSN_ENTERS 119 224#define SCTP_THRESHOLD_CLEAR 120 225#define SCTP_THRESHOLD_INCR 121 226#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122 227#define SCTP_FWD_TSN_CHECK 123 228#define SCTP_LOG_MAX_TYPES 124 229/* 230 * To turn on various logging, you must first enable 'options KTR' and 231 * you might want to bump the entires 'options KTR_ENTRIES=80000'. 232 * To get something to log you define one of the logging defines. 233 * (see LINT). 234 * 235 * This gets the compile in place, but you still need to turn the 236 * logging flag on too in the sysctl (see in sctp.h). 237 */ 238 239#define SCTP_LOG_EVENT_UNKNOWN 0 240#define SCTP_LOG_EVENT_CWND 1 241#define SCTP_LOG_EVENT_BLOCK 2 242#define SCTP_LOG_EVENT_STRM 3 243#define SCTP_LOG_EVENT_FR 4 244#define SCTP_LOG_EVENT_MAP 5 245#define SCTP_LOG_EVENT_MAXBURST 6 246#define SCTP_LOG_EVENT_RWND 7 247#define SCTP_LOG_EVENT_MBCNT 8 248#define SCTP_LOG_EVENT_SACK 9 249#define SCTP_LOG_LOCK_EVENT 10 250#define SCTP_LOG_EVENT_RTT 11 251#define SCTP_LOG_EVENT_SB 12 252#define SCTP_LOG_EVENT_NAGLE 13 253#define SCTP_LOG_EVENT_WAKE 14 254#define SCTP_LOG_MISC_EVENT 15 255#define SCTP_LOG_EVENT_CLOSE 16 256#define SCTP_LOG_EVENT_MBUF 17 257#define SCTP_LOG_CHUNK_PROC 18 258#define SCTP_LOG_ERROR_RET 19 259 260#define SCTP_LOG_MAX_EVENT 20 261 262#define SCTP_LOCK_UNKNOWN 2 263 264 265/* number of associations by default for zone allocation */ 266#define SCTP_MAX_NUM_OF_ASOC 40000 267/* how many addresses per assoc remote and local */ 268#define SCTP_SCALE_FOR_ADDR 2 269 270/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ 271#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0 272 273/* 274 * Threshold for rwnd updates, we have to read (sb_hiwat >> 275 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 276 * window update sack. When we look, we compare the last rwnd we sent vs the 277 * current rwnd. It too must be greater than this value. Using 3 divdes the 278 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 279 * to read 8k. This seems about right.. I hope :-D.. we do set a 280 * min of a MTU on it so if the rwnd is real small we will insist 281 * on a full MTU of 1500 bytes. 282 */ 283#define SCTP_RWND_HIWAT_SHIFT 3 284 285/* How much of the rwnd must the 286 * message be taking up to start partial delivery. 287 * We calculate this by shifing the hi_water (recv_win) 288 * left the following .. set to 1, when a message holds 289 * 1/2 the rwnd. If we set it to 2 when a message holds 290 * 1/4 the rwnd...etc.. 291 */ 292 293#define SCTP_PARTIAL_DELIVERY_SHIFT 1 294 295/* 296 * default HMAC for cookies, etc... use one of the AUTH HMAC id's 297 * SCTP_HMAC is the HMAC_ID to use 298 * SCTP_SIGNATURE_SIZE is the digest length 299 */ 300#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 301#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 302#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 303 304/* 305 * the SCTP protocol signature this includes the version number encoded in 306 * the last 4 bits of the signature. 307 */ 308#define PROTO_SIGNATURE_A 0x30000000 309#define SCTP_VERSION_NUMBER 0x3 310 311#define MAX_TSN 0xffffffff 312 313/* how many executions every N tick's */ 314#define SCTP_ITERATOR_MAX_AT_ONCE 20 315 316/* number of clock ticks between iterator executions */ 317#define SCTP_ITERATOR_TICKS 1 318 319/* 320 * option: If you comment out the following you will receive the old behavior 321 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 322 * happens right away with-out waiting for the flightsize to drop below the 323 * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 324 */ 325#define SCTP_IGNORE_CWND_ON_FR 1 326 327/* 328 * Adds implementors guide behavior to only use newest highest update in SACK 329 * gap ack's to figure out if you need to stroke a chunk for FR. 330 */ 331#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 332 333/* default max I can burst out after a fast retransmit, 0 disables it */ 334#define SCTP_DEF_MAX_BURST 4 335#define SCTP_DEF_HBMAX_BURST 4 336#define SCTP_DEF_FRMAX_BURST 4 337 338/* RTO calculation flag to say if it 339 * is safe to determine local lan or not. 340 */ 341#define SCTP_RTT_FROM_NON_DATA 0 342#define SCTP_RTT_FROM_DATA 1 343 344#define PR_SCTP_UNORDERED_FLAG 0x0001 345 346/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 347#define SCTP_FIRST_MBUF_RESV 68 348/* Packet transmit states in the sent field */ 349#define SCTP_DATAGRAM_UNSENT 0 350#define SCTP_DATAGRAM_SENT 1 351#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 352 * hit this value) */ 353#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 354 * hit this value) */ 355#define SCTP_DATAGRAM_RESEND 4 356#define SCTP_DATAGRAM_ACKED 10010 357#define SCTP_DATAGRAM_MARKED 20010 358#define SCTP_FORWARD_TSN_SKIP 30010 359#define SCTP_DATAGRAM_NR_ACKED 40010 360 361/* chunk output send from locations */ 362#define SCTP_OUTPUT_FROM_USR_SEND 0 363#define SCTP_OUTPUT_FROM_T3 1 364#define SCTP_OUTPUT_FROM_INPUT_ERROR 2 365#define SCTP_OUTPUT_FROM_CONTROL_PROC 3 366#define SCTP_OUTPUT_FROM_SACK_TMR 4 367#define SCTP_OUTPUT_FROM_SHUT_TMR 5 368#define SCTP_OUTPUT_FROM_HB_TMR 6 369#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 370#define SCTP_OUTPUT_FROM_ASCONF_TMR 8 371#define SCTP_OUTPUT_FROM_STRRST_TMR 9 372#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 373#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 374#define SCTP_OUTPUT_FROM_STRRST_REQ 12 375#define SCTP_OUTPUT_FROM_USR_RCVD 13 376#define SCTP_OUTPUT_FROM_COOKIE_ACK 14 377#define SCTP_OUTPUT_FROM_DRAIN 15 378#define SCTP_OUTPUT_FROM_CLOSING 16 379#define SCTP_OUTPUT_FROM_SOCKOPT 17 380 381/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 382 383/* align to 32-bit sizes */ 384#define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2) 385 386#define IS_SCTP_CONTROL(a) (((a)->chunk_type != SCTP_DATA) && ((a)->chunk_type != SCTP_IDATA)) 387#define IS_SCTP_DATA(a) (((a)->chunk_type == SCTP_DATA) || ((a)->chunk_type == SCTP_IDATA)) 388 389 390/* SCTP parameter types */ 391/*************0x0000 series*************/ 392#define SCTP_HEARTBEAT_INFO 0x0001 393#define SCTP_IPV4_ADDRESS 0x0005 394#define SCTP_IPV6_ADDRESS 0x0006 395#define SCTP_STATE_COOKIE 0x0007 396#define SCTP_UNRECOG_PARAM 0x0008 397#define SCTP_COOKIE_PRESERVE 0x0009 398#define SCTP_HOSTNAME_ADDRESS 0x000b 399#define SCTP_SUPPORTED_ADDRTYPE 0x000c 400 401/* RFC 6525 */ 402#define SCTP_STR_RESET_OUT_REQUEST 0x000d 403#define SCTP_STR_RESET_IN_REQUEST 0x000e 404#define SCTP_STR_RESET_TSN_REQUEST 0x000f 405#define SCTP_STR_RESET_RESPONSE 0x0010 406#define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011 407#define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012 408 409#define SCTP_MAX_RESET_PARAMS 2 410#define SCTP_STREAM_RESET_TSN_DELTA 0x1000 411 412/*************0x4000 series*************/ 413 414/*************0x8000 series*************/ 415#define SCTP_ECN_CAPABLE 0x8000 416 417/* RFC 4895 */ 418#define SCTP_RANDOM 0x8002 419#define SCTP_CHUNK_LIST 0x8003 420#define SCTP_HMAC_LIST 0x8004 421/* RFC 4820 */ 422#define SCTP_PAD 0x8005 423/* RFC 5061 */ 424#define SCTP_SUPPORTED_CHUNK_EXT 0x8008 425 426/*************0xC000 series*************/ 427#define SCTP_PRSCTP_SUPPORTED 0xc000 428/* RFC 5061 */ 429#define SCTP_ADD_IP_ADDRESS 0xc001 430#define SCTP_DEL_IP_ADDRESS 0xc002 431#define SCTP_ERROR_CAUSE_IND 0xc003 432#define SCTP_SET_PRIM_ADDR 0xc004 433#define SCTP_SUCCESS_REPORT 0xc005 434#define SCTP_ULP_ADAPTATION 0xc006 435/* behave-nat-draft */ 436#define SCTP_HAS_NAT_SUPPORT 0xc007 437#define SCTP_NAT_VTAGS 0xc008 438 439/* bits for TOS field */ 440#define SCTP_ECT0_BIT 0x02 441#define SCTP_ECT1_BIT 0x01 442#define SCTP_CE_BITS 0x03 443 444/* below turns off above */ 445#define SCTP_FLEXIBLE_ADDRESS 0x20 446#define SCTP_NO_HEARTBEAT 0x40 447 448/* mask to get sticky */ 449#define SCTP_STICKY_OPTIONS_MASK 0x0c 450 451 452/* 453 * SCTP states for internal state machine 454 */ 455#define SCTP_STATE_EMPTY 0x0000 456#define SCTP_STATE_INUSE 0x0001 457#define SCTP_STATE_COOKIE_WAIT 0x0002 458#define SCTP_STATE_COOKIE_ECHOED 0x0004 459#define SCTP_STATE_OPEN 0x0008 460#define SCTP_STATE_SHUTDOWN_SENT 0x0010 461#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 462#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 463#define SCTP_STATE_SHUTDOWN_PENDING 0x0080 464#define SCTP_STATE_CLOSED_SOCKET 0x0100 465#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 466#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 467#define SCTP_STATE_WAS_ABORTED 0x0800 468#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000 469#define SCTP_STATE_MASK 0x007f 470 471#define SCTP_GET_STATE(_stcb) \ 472 ((_stcb)->asoc.state & SCTP_STATE_MASK) 473#define SCTP_SET_STATE(_stcb, _state) \ 474 (_stcb)->asoc.state = ((_stcb)->asoc.state & ~SCTP_STATE_MASK) | (_state) 475#define SCTP_CLEAR_SUBSTATE(_stcb, _substate) \ 476 (_stcb)->asoc.state &= ~(_substate) 477#define SCTP_ADD_SUBSTATE(_stcb, _substate) \ 478 (_stcb)->asoc.state |= (_substate) 479 480/* SCTP reachability state for each address */ 481#define SCTP_ADDR_REACHABLE 0x001 482#define SCTP_ADDR_NO_PMTUD 0x002 483#define SCTP_ADDR_NOHB 0x004 484#define SCTP_ADDR_BEING_DELETED 0x008 485#define SCTP_ADDR_NOT_IN_ASSOC 0x010 486#define SCTP_ADDR_OUT_OF_SCOPE 0x080 487#define SCTP_ADDR_UNCONFIRMED 0x200 488#define SCTP_ADDR_REQ_PRIMARY 0x400 489/* JRS 5/13/07 - Added potentially failed state for CMT PF */ 490#define SCTP_ADDR_PF 0x800 491 492/* bound address types (e.g. valid address types to allow) */ 493#define SCTP_BOUND_V6 0x01 494#define SCTP_BOUND_V4 0x02 495 496/* 497 * what is the default number of mbufs in a chain I allow before switching to 498 * a cluster 499 */ 500#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 501 502/* How long a cookie lives in milli-seconds */ 503#define SCTP_DEFAULT_COOKIE_LIFE 60000 504 505/* Maximum the mapping array will grow to (TSN mapping array) */ 506#define SCTP_MAPPING_ARRAY 512 507 508/* size of the initial malloc on the mapping array */ 509#define SCTP_INITIAL_MAPPING_ARRAY 16 510/* how much we grow the mapping array each call */ 511#define SCTP_MAPPING_ARRAY_INCR 32 512 513/* 514 * Here we define the timer types used by the implementation as arguments in 515 * the set/get timer type calls. 516 */ 517#define SCTP_TIMER_INIT 0 518#define SCTP_TIMER_RECV 1 519#define SCTP_TIMER_SEND 2 520#define SCTP_TIMER_HEARTBEAT 3 521#define SCTP_TIMER_PMTU 4 522#define SCTP_TIMER_MAXSHUTDOWN 5 523#define SCTP_TIMER_SIGNATURE 6 524/* 525 * number of timer types in the base SCTP structure used in the set/get and 526 * has the base default. 527 */ 528#define SCTP_NUM_TMRS 7 529 530/* timer types */ 531#define SCTP_TIMER_TYPE_NONE 0 532#define SCTP_TIMER_TYPE_SEND 1 533#define SCTP_TIMER_TYPE_INIT 2 534#define SCTP_TIMER_TYPE_RECV 3 535#define SCTP_TIMER_TYPE_SHUTDOWN 4 536#define SCTP_TIMER_TYPE_HEARTBEAT 5 537#define SCTP_TIMER_TYPE_COOKIE 6 538#define SCTP_TIMER_TYPE_NEWCOOKIE 7 539#define SCTP_TIMER_TYPE_PATHMTURAISE 8 540#define SCTP_TIMER_TYPE_SHUTDOWNACK 9 541#define SCTP_TIMER_TYPE_ASCONF 10 542#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 543#define SCTP_TIMER_TYPE_AUTOCLOSE 12 544#define SCTP_TIMER_TYPE_STRRESET 13 545#define SCTP_TIMER_TYPE_INPKILL 14 546#define SCTP_TIMER_TYPE_ASOCKILL 15 547#define SCTP_TIMER_TYPE_ADDR_WQ 16 548#define SCTP_TIMER_TYPE_PRIM_DELETED 17 549/* add new timers here - and increment LAST */ 550#define SCTP_TIMER_TYPE_LAST 18 551 552#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 553 ((t) < SCTP_TIMER_TYPE_LAST)) 554 555 556 557/* max number of TSN's dup'd that I will hold */ 558#define SCTP_MAX_DUP_TSNS 20 559 560/* 561 * Here we define the types used when setting the retry amounts. 562 */ 563/* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 564#define SCTP_RETRY_DROPPED_THRESH 4 565 566/* 567 * Maxmium number of chunks a single association can have on it. Note that 568 * this is a squishy number since the count can run over this if the user 569 * sends a large message down .. the fragmented chunks don't count until 570 * AFTER the message is on queue.. it would be the next send that blocks 571 * things. This number will get tuned up at boot in the sctp_init and use the 572 * number of clusters as a base. This way high bandwidth environments will 573 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 574 */ 575#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 576 577 578/* The conversion from time to ticks and vice versa is done by rounding 579 * upwards. This way we can test in the code the time to be positive and 580 * know that this corresponds to a positive number of ticks. 581 */ 582#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 583#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 584 585#define SEC_TO_TICKS(x) ((x) * hz) 586#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 587 588/* 589 * Basically the minimum amount of time before I do a early FR. Making this 590 * value to low will cause duplicate retransmissions. 591 */ 592#define SCTP_MINFR_MSEC_TIMER 250 593/* The floor this value is allowed to fall to when starting a timer. */ 594#define SCTP_MINFR_MSEC_FLOOR 20 595 596/* init timer def = 1 sec */ 597#define SCTP_INIT_SEC 1 598 599/* send timer def = 1 seconds */ 600#define SCTP_SEND_SEC 1 601 602/* recv timer def = 200ms */ 603#define SCTP_RECV_MSEC 200 604 605/* 30 seconds + RTO (in ms) */ 606#define SCTP_HB_DEFAULT_MSEC 30000 607 608/* 609 * This is how long a secret lives, NOT how long a cookie lives how many 610 * ticks the current secret will live. 611 */ 612#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 613 614#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 615#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */ 616#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 617 618 619#define SCTP_INP_KILL_TIMEOUT 20 /* number of ms to retry kill of inpcb */ 620#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 621 622#define SCTP_DEF_MAX_INIT 8 623#define SCTP_DEF_MAX_SEND 10 624#define SCTP_DEF_MAX_PATH_RTX 5 625#define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX 626 627#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 628 629 630/* How many streams I request initially by default */ 631#define SCTP_OSTREAM_INITIAL 10 632#define SCTP_ISTREAM_INITIAL 2048 633 634/* 635 * How many smallest_mtu's need to increase before a window update sack is 636 * sent (should be a power of 2). 637 */ 638/* Send window update (incr * this > hiwat). Should be a power of 2 */ 639#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 640 641#define SCTP_ADDRMAX 16 642 643/* SCTP DEBUG Switch parameters */ 644#define SCTP_DEBUG_TIMER1 0x00000001 645#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */ 646#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */ 647#define SCTP_DEBUG_TIMER4 0x00000008 648#define SCTP_DEBUG_OUTPUT1 0x00000010 649#define SCTP_DEBUG_OUTPUT2 0x00000020 650#define SCTP_DEBUG_OUTPUT3 0x00000040 651#define SCTP_DEBUG_OUTPUT4 0x00000080 652#define SCTP_DEBUG_UTIL1 0x00000100 653#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */ 654#define SCTP_DEBUG_AUTH1 0x00000400 655#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */ 656#define SCTP_DEBUG_INPUT1 0x00001000 657#define SCTP_DEBUG_INPUT2 0x00002000 658#define SCTP_DEBUG_INPUT3 0x00004000 659#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */ 660#define SCTP_DEBUG_ASCONF1 0x00010000 661#define SCTP_DEBUG_ASCONF2 0x00020000 662#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */ 663#define SCTP_DEBUG_XXX 0x00080000 /* unused */ 664#define SCTP_DEBUG_PCB1 0x00100000 665#define SCTP_DEBUG_PCB2 0x00200000 /* unused */ 666#define SCTP_DEBUG_PCB3 0x00400000 667#define SCTP_DEBUG_PCB4 0x00800000 668#define SCTP_DEBUG_INDATA1 0x01000000 669#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */ 670#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */ 671#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */ 672#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */ 673#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */ 674#define SCTP_DEBUG_PEEL1 0x40000000 675#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ 676#define SCTP_DEBUG_ALL 0x7ff3ffff 677#define SCTP_DEBUG_NOISY 0x00040000 678 679/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 680#define SCTP_SWS_SENDER_DEF 1420 681 682/* 683 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 684 * would be hiwat/2 etc. 685 */ 686/* What receiver needs to see in sockbuf or we tell peer its 1 */ 687#define SCTP_SWS_RECEIVER_DEF 3000 688 689#define SCTP_INITIAL_CWND 4380 690 691#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */ 692/* amount peer is obligated to have in rwnd or I will abort */ 693#define SCTP_MIN_RWND 1500 694 695#define SCTP_DEFAULT_MAXSEGMENT 65535 696 697#define SCTP_CHUNK_BUFFER_SIZE 512 698#define SCTP_PARAM_BUFFER_SIZE 512 699 700/* small chunk store for looking at chunk_list in auth */ 701#define SCTP_SMALL_CHUNK_STORE 260 702 703#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 704 705#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 706#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 707 708 709/* 710 * SCTP upper layer notifications 711 */ 712#define SCTP_NOTIFY_ASSOC_UP 1 713#define SCTP_NOTIFY_ASSOC_DOWN 2 714#define SCTP_NOTIFY_INTERFACE_DOWN 3 715#define SCTP_NOTIFY_INTERFACE_UP 4 716#define SCTP_NOTIFY_SENT_DG_FAIL 5 717#define SCTP_NOTIFY_UNSENT_DG_FAIL 6 718#define SCTP_NOTIFY_SPECIAL_SP_FAIL 7 719#define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8 720#define SCTP_NOTIFY_ASSOC_REM_ABORTED 9 721#define SCTP_NOTIFY_ASSOC_RESTART 10 722#define SCTP_NOTIFY_PEER_SHUTDOWN 11 723#define SCTP_NOTIFY_ASCONF_ADD_IP 12 724#define SCTP_NOTIFY_ASCONF_DELETE_IP 13 725#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14 726#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15 727#define SCTP_NOTIFY_INTERFACE_CONFIRMED 16 728#define SCTP_NOTIFY_STR_RESET_RECV 17 729#define SCTP_NOTIFY_STR_RESET_SEND 18 730#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19 731#define SCTP_NOTIFY_STR_RESET_FAILED_IN 20 732#define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21 733#define SCTP_NOTIFY_STR_RESET_DENIED_IN 22 734#define SCTP_NOTIFY_AUTH_NEW_KEY 23 735#define SCTP_NOTIFY_AUTH_FREE_KEY 24 736#define SCTP_NOTIFY_NO_PEER_AUTH 25 737#define SCTP_NOTIFY_SENDER_DRY 26 738#define SCTP_NOTIFY_REMOTE_ERROR 27 739 740/* This is the value for messages that are NOT completely 741 * copied down where we will start to split the message. 742 * So, with our default, we split only if the piece we 743 * want to take will fill up a full MTU (assuming 744 * a 1500 byte MTU). 745 */ 746#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 747 748/* Maximum length of diagnostic information in error causes */ 749#define SCTP_DIAG_INFO_LEN 128 750 751/* ABORT CODES and other tell-tale location 752 * codes are generated by adding the below 753 * to the instance id. 754 */ 755 756/* File defines */ 757#define SCTP_FROM_SCTP_INPUT 0x10000000 758#define SCTP_FROM_SCTP_PCB 0x20000000 759#define SCTP_FROM_SCTP_INDATA 0x30000000 760#define SCTP_FROM_SCTP_TIMER 0x40000000 761#define SCTP_FROM_SCTP_USRREQ 0x50000000 762#define SCTP_FROM_SCTPUTIL 0x60000000 763#define SCTP_FROM_SCTP6_USRREQ 0x70000000 764#define SCTP_FROM_SCTP_ASCONF 0x80000000 765#define SCTP_FROM_SCTP_OUTPUT 0x90000000 766#define SCTP_FROM_SCTP_PEELOFF 0xa0000000 767#define SCTP_FROM_SCTP_PANDA 0xb0000000 768#define SCTP_FROM_SCTP_SYSCTL 0xc0000000 769#define SCTP_FROM_SCTP_CC_FUNCTIONS 0xd0000000 770 771/* Location ID's */ 772#define SCTP_LOC_1 0x00000001 773#define SCTP_LOC_2 0x00000002 774#define SCTP_LOC_3 0x00000003 775#define SCTP_LOC_4 0x00000004 776#define SCTP_LOC_5 0x00000005 777#define SCTP_LOC_6 0x00000006 778#define SCTP_LOC_7 0x00000007 779#define SCTP_LOC_8 0x00000008 780#define SCTP_LOC_9 0x00000009 781#define SCTP_LOC_10 0x0000000a 782#define SCTP_LOC_11 0x0000000b 783#define SCTP_LOC_12 0x0000000c 784#define SCTP_LOC_13 0x0000000d 785#define SCTP_LOC_14 0x0000000e 786#define SCTP_LOC_15 0x0000000f 787#define SCTP_LOC_16 0x00000010 788#define SCTP_LOC_17 0x00000011 789#define SCTP_LOC_18 0x00000012 790#define SCTP_LOC_19 0x00000013 791#define SCTP_LOC_20 0x00000014 792#define SCTP_LOC_21 0x00000015 793#define SCTP_LOC_22 0x00000016 794#define SCTP_LOC_23 0x00000017 795#define SCTP_LOC_24 0x00000018 796#define SCTP_LOC_25 0x00000019 797#define SCTP_LOC_26 0x0000001a 798#define SCTP_LOC_27 0x0000001b 799#define SCTP_LOC_28 0x0000001c 800#define SCTP_LOC_29 0x0000001d 801#define SCTP_LOC_30 0x0000001e 802#define SCTP_LOC_31 0x0000001f 803#define SCTP_LOC_32 0x00000020 804#define SCTP_LOC_33 0x00000021 805#define SCTP_LOC_34 0x00000022 806#define SCTP_LOC_35 0x00000023 807#define SCTP_LOC_36 0x00000024 808 809/* Free assoc codes */ 810#define SCTP_NORMAL_PROC 0 811#define SCTP_PCBFREE_NOFORCE 1 812#define SCTP_PCBFREE_FORCE 2 813 814/* From codes for adding addresses */ 815#define SCTP_ADDR_IS_CONFIRMED 8 816#define SCTP_ADDR_DYNAMIC_ADDED 6 817#define SCTP_IN_COOKIE_PROC 100 818#define SCTP_ALLOC_ASOC 1 819#define SCTP_LOAD_ADDR_2 2 820#define SCTP_LOAD_ADDR_3 3 821#define SCTP_LOAD_ADDR_4 4 822#define SCTP_LOAD_ADDR_5 5 823 824#define SCTP_DONOT_SETSCOPE 0 825#define SCTP_DO_SETSCOPE 1 826 827 828/* This value determines the default for when 829 * we try to add more on the send queue., if 830 * there is room. This prevents us from cycling 831 * into the copy_resume routine to often if 832 * we have not got enough space to add a decent 833 * enough size message. Note that if we have enough 834 * space to complete the message copy we will always 835 * add to the message, no matter what the size. Its 836 * only when we reach the point that we have some left 837 * to add, there is only room for part of it that we 838 * will use this threshold. Its also a sysctl. 839 */ 840#define SCTP_DEFAULT_ADD_MORE 1452 841 842#ifndef SCTP_PCBHASHSIZE 843/* default number of association hash buckets in each endpoint */ 844#define SCTP_PCBHASHSIZE 256 845#endif 846#ifndef SCTP_TCBHASHSIZE 847#define SCTP_TCBHASHSIZE 1024 848#endif 849 850#ifndef SCTP_CHUNKQUEUE_SCALE 851#define SCTP_CHUNKQUEUE_SCALE 10 852#endif 853 854/* clock variance is 1 ms */ 855#define SCTP_CLOCK_GRANULARITY 1 856#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 857 * detracts a small amount for ipv4 but it 858 * simplifies the ipv6 addition */ 859 860/* Argument magic number for sctp_inpcb_free() */ 861 862/* third argument */ 863#define SCTP_CALLED_DIRECTLY_NOCMPSET 0 864#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1 865#define SCTP_CALLED_FROM_INPKILL_TIMER 2 866/* second argument */ 867#define SCTP_FREE_SHOULD_USE_ABORT 1 868#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0 869 870#ifndef IPPROTO_SCTP 871#define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 872#endif /* !IPPROTO_SCTP */ 873 874#define SCTP_MAX_DATA_BUNDLING 256 875 876/* modular comparison */ 877/* See RFC 1982 for details. */ 878#define SCTP_UINT16_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \ 879 ((a > b) && ((uint16_t)(a - b) < (1U<<15)))) 880#define SCTP_UINT16_GE(a, b) (SCTP_UINT16_GT(a, b) || (a == b)) 881#define SCTP_UINT32_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \ 882 ((a > b) && ((uint32_t)(a - b) < (1U<<31)))) 883#define SCTP_UINT32_GE(a, b) (SCTP_UINT32_GT(a, b) || (a == b)) 884 885#define SCTP_SSN_GT(a, b) SCTP_UINT16_GT(a, b) 886#define SCTP_SSN_GE(a, b) SCTP_UINT16_GE(a, b) 887#define SCTP_TSN_GT(a, b) SCTP_UINT32_GT(a, b) 888#define SCTP_TSN_GE(a, b) SCTP_UINT32_GE(a, b) 889#define SCTP_MID_GT(i, a, b) (((i) == 1) ? SCTP_UINT32_GT(a, b) : SCTP_UINT16_GT((uint16_t)a, (uint16_t)b)) 890#define SCTP_MID_GE(i, a, b) (((i) == 1) ? SCTP_UINT32_GE(a, b) : SCTP_UINT16_GE((uint16_t)a, (uint16_t)b)) 891#define SCTP_MID_EQ(i, a, b) (((i) == 1) ? a == b : (uint16_t)a == (uint16_t)b) 892 893/* Mapping array manipulation routines */ 894#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 895#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 896#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 897#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \ 898 if (tsn >= mapping_tsn) { \ 899 gap = tsn - mapping_tsn; \ 900 } else { \ 901 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \ 902 } \ 903 } while (0) 904 905 906#define SCTP_RETRAN_DONE -1 907#define SCTP_RETRAN_EXIT -2 908 909/* 910 * This value defines the number of vtag block time wait entry's per list 911 * element. Each entry will take 2 4 byte ints (and of course the overhead 912 * of the next pointer as well). Using 15 as an example will yield * ((8 * 913 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 914 * initialized. Increasing it to 31 would yield 256 bytes per block. 915 */ 916#define SCTP_NUMBER_IN_VTAG_BLOCK 15 917/* 918 * If we use the STACK option, we have an array of this size head pointers. 919 * This array is mod'd the with the size to find which bucket and then all 920 * entries must be searched to see if the tag is in timed wait. If so we 921 * reject it. 922 */ 923#define SCTP_STACK_VTAG_HASH_SIZE 32 924 925/* 926 * Number of seconds of time wait for a vtag. 927 */ 928#define SCTP_TIME_WAIT 60 929 930/* How many micro seconds is the cutoff from 931 * local lan type rtt's 932 */ 933 /* 934 * We allow 900us for the rtt. 935 */ 936#define SCTP_LOCAL_LAN_RTT 900 937#define SCTP_LAN_UNKNOWN 0 938#define SCTP_LAN_LOCAL 1 939#define SCTP_LAN_INTERNET 2 940 941#define SCTP_SEND_BUFFER_SPLITTING 0x00000001 942#define SCTP_RECV_BUFFER_SPLITTING 0x00000002 943 944/* The system retains a cache of free chunks such to 945 * cut down on calls the memory allocation system. There 946 * is a per association limit of free items and a overall 947 * system limit. If either one gets hit then the resource 948 * stops being cached. 949 */ 950 951#define SCTP_DEF_ASOC_RESC_LIMIT 10 952#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 953 954/*- 955 * defines for socket lock states. 956 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING 957 */ 958#define SCTP_SO_LOCKED 1 959#define SCTP_SO_NOT_LOCKED 0 960 961 962/*- 963 * For address locks, do we hold the lock? 964 */ 965#define SCTP_ADDR_LOCKED 1 966#define SCTP_ADDR_NOT_LOCKED 0 967 968#define IN4_ISPRIVATE_ADDRESS(a) \ 969 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 970 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 971 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 972 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 973 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 974 (((uint8_t *)&(a)->s_addr)[1] == 168))) 975 976#define IN4_ISLOOPBACK_ADDRESS(a) \ 977 (((uint8_t *)&(a)->s_addr)[0] == 127) 978 979#define IN4_ISLINKLOCAL_ADDRESS(a) \ 980 ((((uint8_t *)&(a)->s_addr)[0] == 169) && \ 981 (((uint8_t *)&(a)->s_addr)[1] == 254)) 982 983/* Maximum size of optval for IPPROTO_SCTP level socket options. */ 984#define SCTP_SOCKET_OPTION_LIMIT (64 * 1024) 985 986 987#if defined(_KERNEL) 988#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 989#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 990#endif 991 992#if defined(_KERNEL) || defined(__Userspace__) 993#define sctp_sowwakeup(inp, so) \ 994do { \ 995 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 996 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 997 } else { \ 998 sowwakeup(so); \ 999 } \ 1000} while (0) 1001 1002#define sctp_sowwakeup_locked(inp, so) \ 1003do { \ 1004 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1005 SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1006 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1007 } else { \ 1008 sowwakeup_locked(so); \ 1009 } \ 1010} while (0) 1011 1012#define sctp_sorwakeup(inp, so) \ 1013do { \ 1014 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1015 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1016 } else { \ 1017 sorwakeup(so); \ 1018 } \ 1019} while (0) 1020 1021#define sctp_sorwakeup_locked(inp, so) \ 1022do { \ 1023 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1024 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1025 SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1026 } else { \ 1027 sorwakeup_locked(so); \ 1028 } \ 1029} while (0) 1030 1031#endif /* _KERNEL || __Userspace__ */ 1032#endif 1033