1 /*- 2 * Copyright (c) 2001-2007, Cisco Systems, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #ifndef __sctp_constants_h__ 37 #define __sctp_constants_h__ 38 39 /* Number of packets to get before sack sent by default */ 40 #define SCTP_DEFAULT_SACK_FREQ 2 41 42 /* Address limit - This variable is calculated 43 * based on an 1500 byte mtu. We take out 100 bytes 44 * for the cookie, 40 bytes for a v6 header and 32 45 * bytes for the init structure. A second init structure 46 * for the init-ack and then finally a third one for the 47 * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes. 48 * This leaves 1264 bytes for addresses. Now whatever we 49 * send in the INIT() we need to allow to get back in the 50 * INIT-ACK plus all the values from INIT and INIT-ACK 51 * listed in the cookie. Plus we need some overhead for 52 * maybe copied parameters in the COOKIE. If we 53 * allow 20 addresses, and each side has 20 V6 addresses 54 * that will be 400 bytes. In the INIT-ACK we will 55 * see the INIT-ACK 400 + 800 in the cookie. This leaves 56 * 64 bytes slack for misc things in the cookie. Otherwise 57 * we need to allow IP fragmentation.. which I believe 58 * the INIT-ACK and COOKIE do, I don't think we do that 59 * to the INIT though. So the max you could make this 60 * value is 60 addresses. 61 */ 62 #define SCTP_ADDRESS_LIMIT 20 63 64 /* Number of addresses where we just skip the counting */ 65 #define SCTP_COUNT_LIMIT 40 66 67 /* Number of ticks to delay before running 68 * iterator on an address change. 69 */ 70 #define SCTP_ADDRESS_TICK_DELAY 2 71 72 #define SCTP_VERSION_STRING "KAME-BSD 1.1" 73 /* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 74 #define SCTP_AUDIT_SIZE 256 75 #define SCTP_STAT_LOG_SIZE 80000 76 77 #define SCTP_USE_THREAD_BASED_ITERATOR 1 78 79 #define SCTP_KTRHEAD_NAME "sctp_iterator" 80 #define SCTP_KTHREAD_PAGES 2 81 82 83 /* If you support Multi-VRF how big to 84 * make the initial array of VRF's to. 85 */ 86 #define SCTP_DEFAULT_VRF_SIZE 4 87 88 /* Places that CWND log can happen from */ 89 #define SCTP_CWND_LOG_FROM_FR 1 90 #define SCTP_CWND_LOG_FROM_RTX 2 91 #define SCTP_CWND_LOG_FROM_BRST 3 92 #define SCTP_CWND_LOG_FROM_SS 4 93 #define SCTP_CWND_LOG_FROM_CA 5 94 #define SCTP_CWND_LOG_FROM_SAT 6 95 #define SCTP_BLOCK_LOG_INTO_BLK 7 96 #define SCTP_BLOCK_LOG_OUTOF_BLK 8 97 #define SCTP_BLOCK_LOG_CHECK 9 98 #define SCTP_STR_LOG_FROM_INTO_STRD 10 99 #define SCTP_STR_LOG_FROM_IMMED_DEL 11 100 #define SCTP_STR_LOG_FROM_INSERT_HD 12 101 #define SCTP_STR_LOG_FROM_INSERT_MD 13 102 #define SCTP_STR_LOG_FROM_INSERT_TL 14 103 #define SCTP_STR_LOG_FROM_MARK_TSN 15 104 #define SCTP_STR_LOG_FROM_EXPRS_DEL 16 105 #define SCTP_FR_LOG_BIGGEST_TSNS 17 106 #define SCTP_FR_LOG_STRIKE_TEST 18 107 #define SCTP_FR_LOG_STRIKE_CHUNK 19 108 #define SCTP_FR_T3_TIMEOUT 20 109 #define SCTP_MAP_PREPARE_SLIDE 21 110 #define SCTP_MAP_SLIDE_FROM 22 111 #define SCTP_MAP_SLIDE_RESULT 23 112 #define SCTP_MAP_SLIDE_CLEARED 24 113 #define SCTP_MAP_SLIDE_NONE 25 114 #define SCTP_FR_T3_MARK_TIME 26 115 #define SCTP_FR_T3_MARKED 27 116 #define SCTP_FR_T3_STOPPED 28 117 #define SCTP_FR_MARKED 30 118 #define SCTP_CWND_LOG_NOADV_SS 31 119 #define SCTP_CWND_LOG_NOADV_CA 32 120 #define SCTP_MAX_BURST_APPLIED 33 121 #define SCTP_MAX_IFP_APPLIED 34 122 #define SCTP_MAX_BURST_ERROR_STOP 35 123 #define SCTP_INCREASE_PEER_RWND 36 124 #define SCTP_DECREASE_PEER_RWND 37 125 #define SCTP_SET_PEER_RWND_VIA_SACK 38 126 #define SCTP_LOG_MBCNT_INCREASE 39 127 #define SCTP_LOG_MBCNT_DECREASE 40 128 #define SCTP_LOG_MBCNT_CHKSET 41 129 #define SCTP_LOG_NEW_SACK 42 130 #define SCTP_LOG_TSN_ACKED 43 131 #define SCTP_LOG_TSN_REVOKED 44 132 #define SCTP_LOG_LOCK_TCB 45 133 #define SCTP_LOG_LOCK_INP 46 134 #define SCTP_LOG_LOCK_SOCK 47 135 #define SCTP_LOG_LOCK_SOCKBUF_R 48 136 #define SCTP_LOG_LOCK_SOCKBUF_S 49 137 #define SCTP_LOG_LOCK_CREATE 50 138 #define SCTP_LOG_INITIAL_RTT 51 139 #define SCTP_LOG_RTTVAR 52 140 #define SCTP_LOG_SBALLOC 53 141 #define SCTP_LOG_SBFREE 54 142 #define SCTP_LOG_SBRESULT 55 143 #define SCTP_FR_DUPED 56 144 #define SCTP_FR_MARKED_EARLY 57 145 #define SCTP_FR_CWND_REPORT 58 146 #define SCTP_FR_CWND_REPORT_START 59 147 #define SCTP_FR_CWND_REPORT_STOP 60 148 #define SCTP_CWND_LOG_FROM_SEND 61 149 #define SCTP_CWND_INITIALIZATION 62 150 #define SCTP_CWND_LOG_FROM_T3 63 151 #define SCTP_CWND_LOG_FROM_SACK 64 152 #define SCTP_CWND_LOG_NO_CUMACK 65 153 #define SCTP_CWND_LOG_FROM_RESEND 66 154 #define SCTP_FR_LOG_CHECK_STRIKE 67 155 #define SCTP_SEND_NOW_COMPLETES 68 156 #define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 157 #define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 158 #define SCTP_LOG_FREE_SENT 71 159 #define SCTP_NAGLE_APPLIED 72 160 #define SCTP_NAGLE_SKIPPED 73 161 #define SCTP_WAKESND_FROM_SACK 74 162 #define SCTP_WAKESND_FROM_FWDTSN 75 163 #define SCTP_NOWAKE_FROM_SACK 76 164 #define SCTP_CWNDLOG_PRESEND 77 165 #define SCTP_CWNDLOG_ENDSEND 78 166 #define SCTP_AT_END_OF_SACK 79 167 #define SCTP_REASON_FOR_SC 80 168 #define SCTP_BLOCK_LOG_INTO_BLKA 81 169 #define SCTP_ENTER_USER_RECV 82 170 #define SCTP_USER_RECV_SACKS 83 171 #define SCTP_SORECV_BLOCKSA 84 172 #define SCTP_SORECV_BLOCKSB 85 173 #define SCTP_SORECV_DONE 86 174 #define SCTP_SACK_RWND_UPDATE 87 175 #define SCTP_SORECV_ENTER 88 176 #define SCTP_SORECV_ENTERPL 89 177 #define SCTP_MBUF_INPUT 90 178 #define SCTP_MBUF_IALLOC 91 179 #define SCTP_MBUF_IFREE 92 180 #define SCTP_MBUF_ICOPY 93 181 #define SCTP_SORCV_FREECTL 94 182 #define SCTP_SORCV_DOESCPY 95 183 #define SCTP_SORCV_DOESLCK 96 184 #define SCTP_SORCV_DOESADJ 97 185 #define SCTP_SORCV_BOTWHILE 98 186 #define SCTP_SORCV_PASSBF 99 187 #define SCTP_SORCV_ADJD 100 188 #define SCTP_UNKNOWN_MAX 101 189 #define SCTP_RANDY_STUFF 102 190 #define SCTP_RANDY_STUFF1 103 191 #define SCTP_STRMOUT_LOG_ASSIGN 104 192 #define SCTP_STRMOUT_LOG_SEND 105 193 #define SCTP_FLIGHT_LOG_DOWN 106 194 #define SCTP_FLIGHT_LOG_UP 107 195 #define SCTP_LOG_MAX_TYPES 108 196 /* 197 * To turn on various logging, you must first define SCTP_STAT_LOGGING. Then 198 * to get something to log you define one of the logging defines i.e. 199 * 200 * SCTP_CWND_LOGGING SCTP_BLK_LOGGING SCTP_STR_LOGGING SCTP_FR_LOGGING 201 * 202 * Any one or a combination of the logging can be turned on. 203 */ 204 #define SCTP_LOG_EVENT_UNKNOWN 0 205 #define SCTP_LOG_EVENT_CWND 1 206 #define SCTP_LOG_EVENT_BLOCK 2 207 #define SCTP_LOG_EVENT_STRM 3 208 #define SCTP_LOG_EVENT_FR 4 209 #define SCTP_LOG_EVENT_MAP 5 210 #define SCTP_LOG_EVENT_MAXBURST 6 211 #define SCTP_LOG_EVENT_RWND 7 212 #define SCTP_LOG_EVENT_MBCNT 8 213 #define SCTP_LOG_EVENT_SACK 9 214 #define SCTP_LOG_LOCK_EVENT 10 215 #define SCTP_LOG_EVENT_RTT 11 216 #define SCTP_LOG_EVENT_SB 12 217 #define SCTP_LOG_EVENT_NAGLE 13 218 #define SCTP_LOG_EVENT_WAKE 14 219 #define SCTP_LOG_MISC_EVENT 15 220 #define SCTP_LOG_EVENT_CLOSE 16 221 #define SCTP_LOG_EVENT_MBUF 17 222 223 #define SCTP_LOG_MAX_EVENT 18 224 225 #define SCTP_LOCK_UNKNOWN 2 226 227 228 /* number of associations by default for zone allocation */ 229 #define SCTP_MAX_NUM_OF_ASOC 40000 230 /* how many addresses per assoc remote and local */ 231 #define SCTP_SCALE_FOR_ADDR 2 232 233 /* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 234 #if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF) 235 #define SCTP_DEFAULT_AUTO_ASCONF 0 236 #else 237 #define SCTP_DEFAULT_AUTO_ASCONF 1 238 #endif 239 240 /* 241 * Theshold for rwnd updates, we have to read (sb_hiwat >> 242 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 243 * window update sack. When we look, we compare the last rwnd we sent vs the 244 * current rwnd. It too must be greater than this value. Using 3 divdes the 245 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 246 * to read 8k. This seems about right.. I hope :-D.. we do set a 247 * min of a MTU on it so if the rwnd is real small we will insist 248 * on a full MTU of 1500 bytes. 249 */ 250 #define SCTP_RWND_HIWAT_SHIFT 3 251 252 /* How much of the rwnd must the 253 * message be taking up to start partial delivery. 254 * We calculate this by shifing the hi_water (recv_win) 255 * left the following .. set to 1, when a message holds 256 * 1/2 the rwnd. If we set it to 2 when a message holds 257 * 1/4 the rwnd...etc.. 258 */ 259 260 #define SCTP_PARTIAL_DELIVERY_SHIFT 1 261 262 /* Minimum number of bytes read by user before we 263 * condsider doing a rwnd update 264 */ 265 #define SCTP_MIN_READ_BEFORE_CONSIDERING 3000 266 267 /* 268 * default HMAC for cookies, etc... use one of the AUTH HMAC id's 269 * SCTP_HMAC is the HMAC_ID to use 270 * SCTP_SIGNATURE_SIZE is the digest length 271 */ 272 #define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 273 #define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 274 #define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 275 276 /* DEFINE HERE WHAT CRC YOU WANT TO USE */ 277 #define SCTP_USECRC_RFC2960 1 278 /* #define SCTP_USECRC_FLETCHER 1 */ 279 /* #define SCTP_USECRC_SSHCRC32 1 */ 280 /* #define SCTP_USECRC_FASTCRC32 1 */ 281 /* #define SCTP_USECRC_CRC32 1 */ 282 /* #define SCTP_USECRC_TCP32 1 */ 283 /* #define SCTP_USECRC_CRC16SMAL 1 */ 284 /* #define SCTP_USECRC_CRC16 1 */ 285 /* #define SCTP_USECRC_MODADLER 1 */ 286 287 #ifndef SCTP_ADLER32_BASE 288 #define SCTP_ADLER32_BASE 65521 289 #endif 290 291 /* 292 * the SCTP protocol signature this includes the version number encoded in 293 * the last 4 bits of the signature. 294 */ 295 #define PROTO_SIGNATURE_A 0x30000000 296 #define SCTP_VERSION_NUMBER 0x3 297 298 #define MAX_TSN 0xffffffff 299 #define MAX_SEQ 0xffff 300 301 /* how many executions every N tick's */ 302 #define SCTP_ITERATOR_MAX_AT_ONCE 20 303 304 /* number of clock ticks between iterator executions */ 305 #define SCTP_ITERATOR_TICKS 1 306 307 /* 308 * option: If you comment out the following you will receive the old behavior 309 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 310 * happens right away with-out waiting for the flightsize to drop below the 311 * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 312 */ 313 #define SCTP_IGNORE_CWND_ON_FR 1 314 315 /* 316 * Adds implementors guide behavior to only use newest highest update in SACK 317 * gap ack's to figure out if you need to stroke a chunk for FR. 318 */ 319 #define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 320 321 /* default max I can burst out after a fast retransmit */ 322 #define SCTP_DEF_MAX_BURST 4 323 /* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 324 #define SCTP_FIRST_MBUF_RESV 68 325 /* Packet transmit states in the sent field */ 326 #define SCTP_DATAGRAM_UNSENT 0 327 #define SCTP_DATAGRAM_SENT 1 328 #define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 329 * hit this value) */ 330 #define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 331 * hit this value) */ 332 #define SCTP_DATAGRAM_RESEND 4 333 #define SCTP_DATAGRAM_ACKED 10010 334 #define SCTP_DATAGRAM_INBOUND 10011 335 #define SCTP_READY_TO_TRANSMIT 10012 336 #define SCTP_DATAGRAM_MARKED 20010 337 #define SCTP_FORWARD_TSN_SKIP 30010 338 339 /* chunk output send from locations */ 340 #define SCTP_OUTPUT_FROM_USR_SEND 0 341 #define SCTP_OUTPUT_FROM_T3 1 342 #define SCTP_OUTPUT_FROM_INPUT_ERROR 2 343 #define SCTP_OUTPUT_FROM_CONTROL_PROC 3 344 #define SCTP_OUTPUT_FROM_SACK_TMR 4 345 #define SCTP_OUTPUT_FROM_SHUT_TMR 5 346 #define SCTP_OUTPUT_FROM_HB_TMR 6 347 #define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 348 #define SCTP_OUTPUT_FROM_ASCONF_TMR 8 349 #define SCTP_OUTPUT_FROM_STRRST_TMR 9 350 #define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 351 #define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 352 #define SCTP_OUTPUT_FROM_STRRST_REQ 12 353 #define SCTP_OUTPUT_FROM_USR_RCVD 13 354 #define SCTP_OUTPUT_FROM_COOKIE_ACK 14 355 #define SCTP_OUTPUT_FROM_DRAIN 15 356 /* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 357 358 /* align to 32-bit sizes */ 359 #define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 360 361 #define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 362 #define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 363 364 365 /* SCTP parameter types */ 366 /*************0x0000 series*************/ 367 #define SCTP_HEARTBEAT_INFO 0x0001 368 #define SCTP_IPV4_ADDRESS 0x0005 369 #define SCTP_IPV6_ADDRESS 0x0006 370 #define SCTP_STATE_COOKIE 0x0007 371 #define SCTP_UNRECOG_PARAM 0x0008 372 #define SCTP_COOKIE_PRESERVE 0x0009 373 #define SCTP_HOSTNAME_ADDRESS 0x000b 374 #define SCTP_SUPPORTED_ADDRTYPE 0x000c 375 376 /* draft-ietf-stewart-strreset-xxx */ 377 #define SCTP_STR_RESET_OUT_REQUEST 0x000d 378 #define SCTP_STR_RESET_IN_REQUEST 0x000e 379 #define SCTP_STR_RESET_TSN_REQUEST 0x000f 380 #define SCTP_STR_RESET_RESPONSE 0x0010 381 382 #define SCTP_MAX_RESET_PARAMS 2 383 #define SCTP_STREAM_RESET_TSN_DELTA 0x1000 384 385 /*************0x4000 series*************/ 386 387 /*************0x8000 series*************/ 388 #define SCTP_ECN_CAPABLE 0x8000 389 /* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 390 #define SCTP_ECN_NONCE_SUPPORTED 0x8001 391 /* draft-ietf-tsvwg-auth-xxx */ 392 #define SCTP_RANDOM 0x8002 393 #define SCTP_CHUNK_LIST 0x8003 394 #define SCTP_HMAC_LIST 0x8004 395 /* 396 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 397 * | Byte Byte | Byte ... 398 * 399 * Where each byte is a chunk type extension supported. For example, to support 400 * all chunks one would have (in hex): 401 * 402 * 80 01 00 09 C0 C1 80 81 82 00 00 00 403 * 404 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 405 * = Packet Drop 82 = Stream Reset 83 = Authentication 406 */ 407 #define SCTP_SUPPORTED_CHUNK_EXT 0x8008 408 409 /*************0xC000 series*************/ 410 #define SCTP_PRSCTP_SUPPORTED 0xc000 411 /* draft-ietf-tsvwg-addip-sctp */ 412 #define SCTP_ADD_IP_ADDRESS 0xc001 413 #define SCTP_DEL_IP_ADDRESS 0xc002 414 #define SCTP_ERROR_CAUSE_IND 0xc003 415 #define SCTP_SET_PRIM_ADDR 0xc004 416 #define SCTP_SUCCESS_REPORT 0xc005 417 #define SCTP_ULP_ADAPTATION 0xc006 418 419 /* Notification error codes */ 420 #define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 421 #define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 422 #define SCTP_FAILED_THRESHOLD 0x0004 423 #define SCTP_HEARTBEAT_SUCCESS 0x0008 424 #define SCTP_RESPONSE_TO_USER_REQ 0x000f 425 #define SCTP_INTERNAL_ERROR 0x0010 426 #define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0020 427 #define SCTP_RECEIVED_SACK 0x0040 428 #define SCTP_PEER_FAULTY 0x0080 429 430 /* bits for TOS field */ 431 #define SCTP_ECT0_BIT 0x02 432 #define SCTP_ECT1_BIT 0x01 433 #define SCTP_CE_BITS 0x03 434 435 /* below turns off above */ 436 #define SCTP_FLEXIBLE_ADDRESS 0x20 437 #define SCTP_NO_HEARTBEAT 0x40 438 439 /* mask to get sticky */ 440 #define SCTP_STICKY_OPTIONS_MASK 0x0c 441 442 443 /* Chunk flags */ 444 #define SCTP_WINDOW_PROBE 0x01 445 446 /* 447 * SCTP states for internal state machine XXX (should match "user" values) 448 */ 449 #define SCTP_STATE_EMPTY 0x0000 450 #define SCTP_STATE_INUSE 0x0001 451 #define SCTP_STATE_COOKIE_WAIT 0x0002 452 #define SCTP_STATE_COOKIE_ECHOED 0x0004 453 #define SCTP_STATE_OPEN 0x0008 454 #define SCTP_STATE_SHUTDOWN_SENT 0x0010 455 #define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 456 #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 457 #define SCTP_STATE_SHUTDOWN_PENDING 0x0080 458 #define SCTP_STATE_CLOSED_SOCKET 0x0100 459 #define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 460 #define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 461 #define SCTP_STATE_MASK 0x007f 462 463 #define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 464 465 /* SCTP reachability state for each address */ 466 #define SCTP_ADDR_REACHABLE 0x001 467 #define SCTP_ADDR_NOT_REACHABLE 0x002 468 #define SCTP_ADDR_NOHB 0x004 469 #define SCTP_ADDR_BEING_DELETED 0x008 470 #define SCTP_ADDR_NOT_IN_ASSOC 0x010 471 #define SCTP_ADDR_WAS_PRIMARY 0x020 472 #define SCTP_ADDR_SWITCH_PRIMARY 0x040 473 #define SCTP_ADDR_OUT_OF_SCOPE 0x080 474 #define SCTP_ADDR_DOUBLE_SWITCH 0x100 475 #define SCTP_ADDR_UNCONFIRMED 0x200 476 #define SCTP_ADDR_REQ_PRIMARY 0x400 477 #define SCTP_REACHABLE_MASK 0x203 478 479 /* bound address types (e.g. valid address types to allow) */ 480 #define SCTP_BOUND_V6 0x01 481 #define SCTP_BOUND_V4 0x02 482 483 /* 484 * what is the default number of mbufs in a chain I allow before switching to 485 * a cluster 486 */ 487 #define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 488 489 /* How long a cookie lives in seconds */ 490 #define SCTP_DEFAULT_COOKIE_LIFE 60 491 492 /* resource limit of streams */ 493 #define MAX_SCTP_STREAMS 2048 494 495 /* Maximum the mapping array will grow to (TSN mapping array) */ 496 #define SCTP_MAPPING_ARRAY 512 497 498 /* size of the inital malloc on the mapping array */ 499 #define SCTP_INITIAL_MAPPING_ARRAY 16 500 /* how much we grow the mapping array each call */ 501 #define SCTP_MAPPING_ARRAY_INCR 32 502 503 /* 504 * Here we define the timer types used by the implementation as arguments in 505 * the set/get timer type calls. 506 */ 507 #define SCTP_TIMER_INIT 0 508 #define SCTP_TIMER_RECV 1 509 #define SCTP_TIMER_SEND 2 510 #define SCTP_TIMER_HEARTBEAT 3 511 #define SCTP_TIMER_PMTU 4 512 #define SCTP_TIMER_MAXSHUTDOWN 5 513 #define SCTP_TIMER_SIGNATURE 6 514 /* 515 * number of timer types in the base SCTP structure used in the set/get and 516 * has the base default. 517 */ 518 #define SCTP_NUM_TMRS 7 519 520 /* timer types */ 521 #define SCTP_TIMER_TYPE_NONE 0 522 #define SCTP_TIMER_TYPE_SEND 1 523 #define SCTP_TIMER_TYPE_INIT 2 524 #define SCTP_TIMER_TYPE_RECV 3 525 #define SCTP_TIMER_TYPE_SHUTDOWN 4 526 #define SCTP_TIMER_TYPE_HEARTBEAT 5 527 #define SCTP_TIMER_TYPE_COOKIE 6 528 #define SCTP_TIMER_TYPE_NEWCOOKIE 7 529 #define SCTP_TIMER_TYPE_PATHMTURAISE 8 530 #define SCTP_TIMER_TYPE_SHUTDOWNACK 9 531 #define SCTP_TIMER_TYPE_ASCONF 10 532 #define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 533 #define SCTP_TIMER_TYPE_AUTOCLOSE 12 534 #define SCTP_TIMER_TYPE_EVENTWAKE 13 535 #define SCTP_TIMER_TYPE_STRRESET 14 536 #define SCTP_TIMER_TYPE_INPKILL 15 537 #define SCTP_TIMER_TYPE_ITERATOR 16 538 #define SCTP_TIMER_TYPE_EARLYFR 17 539 #define SCTP_TIMER_TYPE_ASOCKILL 18 540 #define SCTP_TIMER_TYPE_ADDR_WQ 19 541 /* add new timers here - and increment LAST */ 542 #define SCTP_TIMER_TYPE_LAST 20 543 544 #define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 545 ((t) < SCTP_TIMER_TYPE_LAST)) 546 547 548 549 /* 550 * Number of ticks before the soxwakeup() event that is delayed is sent AFTER 551 * the accept() call 552 */ 553 #define SCTP_EVENTWAKEUP_WAIT_TICKS 3000 554 555 /* 556 * Of course we really don't collect stale cookies, being folks of decerning 557 * taste. However we do count them, if we get too many before the association 558 * comes up.. we give up. Below is the constant that dictates when we give it 559 * up...this is a implemenation dependent treatment. In ours we do not ask 560 * for a extension of time, but just retry this many times... 561 */ 562 #define SCTP_MAX_STALE_COOKIES_I_COLLECT 10 563 564 /* max number of TSN's dup'd that I will hold */ 565 #define SCTP_MAX_DUP_TSNS 20 566 567 /* 568 * Here we define the types used when setting the retry amounts. 569 */ 570 /* constants for type of set */ 571 #define SCTP_MAXATTEMPT_INIT 2 572 #define SCTP_MAXATTEMPT_SEND 3 573 574 /* Maximum TSN's we will summarize in a drop report */ 575 #define SCTP_MAX_DROP_REPORT 16 576 577 /* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 578 #define SCTP_RETRY_DROPPED_THRESH 4 579 580 /* 581 * And the max we will keep a history of in the tcb which MUST be lower than 582 * 256. 583 */ 584 #define SCTP_MAX_DROP_SAVE_REPORT 16 585 586 /* 587 * Here we define the default timers and the default number of attemts we 588 * make for each respective side (send/init). 589 */ 590 591 /* 592 * Maxmium number of chunks a single association can have on it. Note that 593 * this is a squishy number since the count can run over this if the user 594 * sends a large message down .. the fragmented chunks don't count until 595 * AFTER the message is on queue.. it would be the next send that blocks 596 * things. This number will get tuned up at boot in the sctp_init and use the 597 * number of clusters as a base. This way high bandwidth environments will 598 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 599 */ 600 #define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 601 602 /* The conversion from time to ticks and vice versa is done by rounding 603 * upwards. This way we can test in the code the time to be positive and 604 * know that this corresponds to a positive number of ticks. 605 */ 606 #define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 607 #define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 608 609 #define SEC_TO_TICKS(x) ((x) * hz) 610 #define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 611 612 /* 613 * Basically the minimum amount of time before I do a early FR. Making this 614 * value to low will cause duplicate retransmissions. 615 */ 616 #define SCTP_MINFR_MSEC_TIMER 250 617 /* The floor this value is allowed to fall to when starting a timer. */ 618 #define SCTP_MINFR_MSEC_FLOOR 20 619 620 /* init timer def = 1 sec */ 621 #define SCTP_INIT_SEC 1 622 623 /* send timer def = 1 seconds */ 624 #define SCTP_SEND_SEC 1 625 626 /* recv timer def = 200ms */ 627 #define SCTP_RECV_MSEC 200 628 629 /* 30 seconds + RTO (in ms) */ 630 #define SCTP_HB_DEFAULT_MSEC 30000 631 632 /* Max time I will wait for Shutdown to complete */ 633 #define SCTP_DEF_MAX_SHUTDOWN_SEC 180 634 635 636 /* 637 * This is how long a secret lives, NOT how long a cookie lives how many 638 * ticks the current secret will live. 639 */ 640 #define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 641 642 #define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 643 #define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 644 #define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 645 #define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 646 647 648 #define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 649 #define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 650 651 #define SCTP_DEF_MAX_INIT 8 652 #define SCTP_DEF_MAX_SEND 10 653 #define SCTP_DEF_MAX_PATH_RTX 4 654 655 #define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 656 #define SCTP_DEF_PMTU_MIN 600 657 658 #define SCTP_MSEC_IN_A_SEC 1000 659 #define SCTP_USEC_IN_A_SEC 1000000 660 #define SCTP_NSEC_IN_A_SEC 1000000000 661 662 #define SCTP_MAX_OUTSTANDING_DG 10000 663 664 /* How many streams I request initally by default */ 665 #define SCTP_OSTREAM_INITIAL 10 666 667 /* 668 * How many smallest_mtu's need to increase before a window update sack is 669 * sent (should be a power of 2). 670 */ 671 #define SCTP_SEG_TO_RWND_UPD 32 672 /* Send window update (incr * this > hiwat). Should be a power of 2 */ 673 #define SCTP_SCALE_OF_RWND_TO_UPD 4 674 #define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 675 676 #define SCTP_ADDRMAX 20 677 678 /* SCTP DEBUG Switch parameters */ 679 #define SCTP_DEBUG_TIMER1 0x00000001 680 #define SCTP_DEBUG_TIMER2 0x00000002 681 #define SCTP_DEBUG_TIMER3 0x00000004 682 #define SCTP_DEBUG_TIMER4 0x00000008 683 #define SCTP_DEBUG_OUTPUT1 0x00000010 684 #define SCTP_DEBUG_OUTPUT2 0x00000020 685 #define SCTP_DEBUG_OUTPUT3 0x00000040 686 #define SCTP_DEBUG_OUTPUT4 0x00000080 687 #define SCTP_DEBUG_UTIL1 0x00000100 688 #define SCTP_DEBUG_UTIL2 0x00000200 689 #define SCTP_DEBUG_AUTH1 0x00000400 690 #define SCTP_DEBUG_AUTH2 0x00000800 691 #define SCTP_DEBUG_INPUT1 0x00001000 692 #define SCTP_DEBUG_INPUT2 0x00002000 693 #define SCTP_DEBUG_INPUT3 0x00004000 694 #define SCTP_DEBUG_INPUT4 0x00008000 695 #define SCTP_DEBUG_ASCONF1 0x00010000 696 #define SCTP_DEBUG_ASCONF2 0x00020000 697 #define SCTP_DEBUG_OUTPUT5 0x00040000 698 #define SCTP_DEBUG_XXX 0x00080000 699 #define SCTP_DEBUG_PCB1 0x00100000 700 #define SCTP_DEBUG_PCB2 0x00200000 701 #define SCTP_DEBUG_PCB3 0x00400000 702 #define SCTP_DEBUG_PCB4 0x00800000 703 #define SCTP_DEBUG_INDATA1 0x01000000 704 #define SCTP_DEBUG_INDATA2 0x02000000 705 #define SCTP_DEBUG_INDATA3 0x04000000 706 #define SCTP_DEBUG_INDATA4 0x08000000 707 #define SCTP_DEBUG_USRREQ1 0x10000000 708 #define SCTP_DEBUG_USRREQ2 0x20000000 709 #define SCTP_DEBUG_PEEL1 0x40000000 710 #define SCTP_DEBUG_XXXXX 0x80000000 711 #define SCTP_DEBUG_ALL 0x7ff3ffff 712 #define SCTP_DEBUG_NOISY 0x00040000 713 714 /* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 715 #define SCTP_SWS_SENDER_DEF 1420 716 717 /* 718 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 719 * would be hiwat/2 etc. 720 */ 721 /* What receiver needs to see in sockbuf or we tell peer its 1 */ 722 #define SCTP_SWS_RECEIVER_DEF 3000 723 724 #define SCTP_INITIAL_CWND 4380 725 726 /* amount peer is obligated to have in rwnd or I will abort */ 727 #define SCTP_MIN_RWND 1500 728 729 #define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */ 730 #define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to My playing 731 * around suggests a value greater than 64k 732 * does not do much, I guess via the kernel 733 * limitations on the stream/socket. */ 734 735 /* I can handle a 1meg re-assembly */ 736 #define SCTP_DEFAULT_MAXMSGREASM 1048576 737 738 #define SCTP_DEFAULT_MAXSEGMENT 65535 739 740 #define SCTP_CHUNK_BUFFER_SIZE 2048 741 #define SCTP_PARAM_BUFFER_SIZE 512 742 743 #define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 744 #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 745 746 #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 747 #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 748 749 750 /* 751 * SCTP upper layer notifications 752 */ 753 #define SCTP_NOTIFY_ASSOC_UP 1 754 #define SCTP_NOTIFY_ASSOC_DOWN 2 755 #define SCTP_NOTIFY_INTERFACE_DOWN 3 756 #define SCTP_NOTIFY_INTERFACE_UP 4 757 #define SCTP_NOTIFY_DG_FAIL 5 758 #define SCTP_NOTIFY_STRDATA_ERR 6 759 #define SCTP_NOTIFY_ASSOC_ABORTED 7 760 #define SCTP_NOTIFY_PEER_OPENED_STREAM 8 761 #define SCTP_NOTIFY_STREAM_OPENED_OK 9 762 #define SCTP_NOTIFY_ASSOC_RESTART 10 763 #define SCTP_NOTIFY_HB_RESP 11 764 #define SCTP_NOTIFY_ASCONF_SUCCESS 12 765 #define SCTP_NOTIFY_ASCONF_FAILED 13 766 #define SCTP_NOTIFY_PEER_SHUTDOWN 14 767 #define SCTP_NOTIFY_ASCONF_ADD_IP 15 768 #define SCTP_NOTIFY_ASCONF_DELETE_IP 16 769 #define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 770 #define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 771 #define SCTP_NOTIFY_ADAPTATION_INDICATION 19 772 /* same as above */ 773 #define SCTP_NOTIFY_ADAPTION_INDICATION 19 774 #define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 775 #define SCTP_NOTIFY_STR_RESET_RECV 21 776 #define SCTP_NOTIFY_STR_RESET_SEND 22 777 #define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 778 #define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 779 #define SCTP_NOTIFY_AUTH_NEW_KEY 25 780 #define SCTP_NOTIFY_AUTH_KEY_CONFLICT 26 781 #define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 782 #define SCTP_NOTIFY_MAX 27 783 784 /* This is the value for messages that are NOT completely 785 * copied down where we will start to split the message. 786 * So, with our default, we split only if the piece we 787 * want to take will fill up a full MTU (assuming 788 * a 1500 byte MTU). 789 */ 790 #define SCTP_DEFAULT_SPLIT_POINT_MIN 1452 791 792 /* ABORT CODES and other tell-tale location 793 * codes are generated by adding the below 794 * to the instance id. 795 */ 796 797 /* File defines */ 798 #define SCTP_FROM_SCTP_INPUT 0x10000000 799 #define SCTP_FROM_SCTP_PCB 0x20000000 800 #define SCTP_FROM_SCTP_INDATA 0x30000000 801 #define SCTP_FROM_SCTP_TIMER 0x40000000 802 #define SCTP_FROM_SCTP_USRREQ 0x50000000 803 #define SCTP_FROM_SCTPUTIL 0x60000000 804 #define SCTP_FROM_SCTP6_USRREQ 0x70000000 805 #define SCTP_FROM_SCTP_ASCONF 0x80000000 806 #define SCTP_FROM_SCTP_OUTPUT 0x90000000 807 #define SCTP_FROM_SCTP_PEELOFF 0xa0000000 808 809 /* Location ID's */ 810 #define SCTP_LOC_1 0x00000001 811 #define SCTP_LOC_2 0x00000002 812 #define SCTP_LOC_3 0x00000003 813 #define SCTP_LOC_4 0x00000004 814 #define SCTP_LOC_5 0x00000005 815 #define SCTP_LOC_6 0x00000006 816 #define SCTP_LOC_7 0x00000007 817 #define SCTP_LOC_8 0x00000008 818 #define SCTP_LOC_9 0x00000009 819 #define SCTP_LOC_10 0x0000000a 820 #define SCTP_LOC_11 0x0000000b 821 #define SCTP_LOC_12 0x0000000c 822 #define SCTP_LOC_13 0x0000000d 823 #define SCTP_LOC_14 0x0000000e 824 #define SCTP_LOC_15 0x0000000f 825 #define SCTP_LOC_16 0x00000010 826 #define SCTP_LOC_17 0x00000011 827 #define SCTP_LOC_18 0x00000012 828 #define SCTP_LOC_19 0x00000013 829 #define SCTP_LOC_20 0x00000014 830 #define SCTP_LOC_21 0x00000015 831 #define SCTP_LOC_22 0x00000016 832 #define SCTP_LOC_23 0x00000017 833 #define SCTP_LOC_24 0x00000018 834 #define SCTP_LOC_25 0x00000019 835 #define SCTP_LOC_26 0x0000001a 836 #define SCTP_LOC_27 0x0000001b 837 #define SCTP_LOC_28 0x0000001c 838 #define SCTP_LOC_29 0x0000001d 839 #define SCTP_LOC_30 0x0000001e 840 #define SCTP_LOC_31 0x0000001f 841 #define SCTP_LOC_32 0x00000020 842 843 844 /* Free assoc codes */ 845 #define SCTP_NORMAL_PROC 0 846 #define SCTP_PCBFREE_NOFORCE 1 847 #define SCTP_PCBFREE_FORCE 2 848 849 /* From codes for adding addresses */ 850 #define SCTP_ADDR_IS_CONFIRMED 8 851 #define SCTP_ADDR_DYNAMIC_ADDED 6 852 #define SCTP_IN_COOKIE_PROC 100 853 #define SCTP_ALLOC_ASOC 1 854 #define SCTP_LOAD_ADDR_2 2 855 #define SCTP_LOAD_ADDR_3 3 856 #define SCTP_LOAD_ADDR_4 4 857 #define SCTP_LOAD_ADDR_5 5 858 859 #define SCTP_DONOT_SETSCOPE 0 860 #define SCTP_DO_SETSCOPE 1 861 862 863 /* This value determines the default for when 864 * we try to add more on the send queue., if 865 * there is room. This prevents us from cycling 866 * into the copy_resume routine to often if 867 * we have not got enough space to add a decent 868 * enough size message. Note that if we have enough 869 * space to complete the message copy we will always 870 * add to the message, no matter what the size. Its 871 * only when we reach the point that we have some left 872 * to add, there is only room for part of it that we 873 * will use this threshold. Its also a sysctl. 874 */ 875 #define SCTP_DEFAULT_ADD_MORE 1452 876 877 #ifndef SCTP_PCBHASHSIZE 878 /* default number of association hash buckets in each endpoint */ 879 #define SCTP_PCBHASHSIZE 256 880 #endif 881 #ifndef SCTP_TCBHASHSIZE 882 #define SCTP_TCBHASHSIZE 1024 883 #endif 884 885 #ifndef SCTP_CHUNKQUEUE_SCALE 886 #define SCTP_CHUNKQUEUE_SCALE 10 887 #endif 888 889 /* clock variance is 1 ms */ 890 #define SCTP_CLOCK_GRANULARITY 1 891 #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 892 * detracts a small amount for ipv4 but it 893 * simplifies the ipv6 addition */ 894 895 #ifndef IPPROTO_SCTP 896 #define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 897 #endif /* !IPPROTO_SCTP */ 898 899 #define SCTP_MAX_DATA_BUNDLING 256 900 #define SCTP_MAX_CONTROL_BUNDLING 20 901 902 /* modular comparison */ 903 /* True if a > b (mod = M) */ 904 #define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 905 ((b > a) && ((b - a) > ((M >> 1) + 1)))) 906 907 908 /* Mapping array manipulation routines */ 909 #define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 910 #define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 911 #define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 912 913 914 /* 915 * This value defines the number of vtag block time wait entry's per list 916 * element. Each entry will take 2 4 byte ints (and of course the overhead 917 * of the next pointer as well). Using 15 as an example will yield * ((8 * 918 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 919 * initialized. Increasing it to 31 would yeild 256 bytes per block. 920 */ 921 #define SCTP_NUMBER_IN_VTAG_BLOCK 15 922 /* 923 * If we use the STACK option, we have an array of this size head pointers. 924 * This array is mod'd the with the size to find which bucket and then all 925 * entries must be searched to see if the tag is in timed wait. If so we 926 * reject it. 927 */ 928 #define SCTP_STACK_VTAG_HASH_SIZE 31 929 930 /* 931 * If we use the per-endpoint model than we do not have a hash table of 932 * entries but instead have a single head pointer and we must crawl through 933 * the entire list. 934 */ 935 936 /* 937 * Number of seconds of time wait, tied to MSL value (2 minutes), so 2 * MSL 938 * = 4 minutes or 480 seconds. 939 */ 940 #define SCTP_TIME_WAIT 480 941 942 /* This time wait is the same as the default cookie life 943 * since we now enter a tag in every time we send a cookie. 944 * We want this shorter to avoid vtag depletion. 945 */ 946 #define SCTP_TIME_WAIT_SHORT 60 947 948 /* The system retains a cache of free chunks such to 949 * cut down on calls the memory allocation system. There 950 * is a per association limit of free items and a overall 951 * system limit. If either one gets hit then the resource 952 * stops being cached. 953 */ 954 955 #define SCTP_DEF_ASOC_RESC_LIMIT 10 956 #define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 957 958 959 #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 (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 970 (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 971 (((uint8_t *)&(a)->s_addr)[3] == 1)) 972 973 974 #if defined(_KERNEL) 975 976 #define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 977 #define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 978 /*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 979 /*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 980 /* (x)->tv_sec = ticks / 1000; \*/ 981 /* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 982 /*}*/ 983 984 /*#else*/ 985 /*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 986 /*#endif __FreeBSD__ */ 987 988 #define sctp_sowwakeup(inp, so) \ 989 do { \ 990 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 991 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 992 } else { \ 993 sowwakeup(so); \ 994 } \ 995 } while (0) 996 997 #define sctp_sowwakeup_locked(inp, so) \ 998 do { \ 999 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1000 SOCKBUF_UNLOCK(&((so)->so_snd)); \ 1001 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 1002 } else { \ 1003 sowwakeup_locked(so); \ 1004 } \ 1005 } while (0) 1006 1007 #define sctp_sorwakeup(inp, so) \ 1008 do { \ 1009 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1010 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1011 } else { \ 1012 sorwakeup(so); \ 1013 } \ 1014 } while (0) 1015 1016 #define sctp_sorwakeup_locked(inp, so) \ 1017 do { \ 1018 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 1019 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 1020 SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 1021 } else { \ 1022 sorwakeup_locked(so); \ 1023 } \ 1024 } while (0) 1025 1026 #endif /* _KERNEL */ 1027 #endif 1028