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 65535 byte max ip packet. 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 65299 bytes for addresses. We throw out the 299 bytes. 49 * Now whatever we 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 1080 addresses, and each side has 1080 V6 addresses 54 * that will be 21600 bytes. In the INIT-ACK we will 55 * see the INIT-ACK 21600 + 43200 in the cookie. This leaves 56 * about 500 bytes slack for misc things in the cookie. 57 */ 58 #define SCTP_ADDRESS_LIMIT 1080 59 60 /* Number of addresses where we just skip the counting */ 61 #define SCTP_COUNT_LIMIT 40 62 63 /* Number of ticks to delay before running 64 * iterator on an address change. 65 */ 66 #define SCTP_ADDRESS_TICK_DELAY 2 67 68 #define SCTP_VERSION_STRING "KAME-BSD 1.1" 69 /* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 70 #define SCTP_AUDIT_SIZE 256 71 #define SCTP_STAT_LOG_SIZE 80000 72 73 #define SCTP_USE_THREAD_BASED_ITERATOR 1 74 75 #define SCTP_KTRHEAD_NAME "sctp_iterator" 76 #define SCTP_KTHREAD_PAGES 2 77 78 79 /* If you support Multi-VRF how big to 80 * make the initial array of VRF's to. 81 */ 82 #define SCTP_DEFAULT_VRF_SIZE 4 83 84 /* Places that CWND log can happen from */ 85 #define SCTP_CWND_LOG_FROM_FR 1 86 #define SCTP_CWND_LOG_FROM_RTX 2 87 #define SCTP_CWND_LOG_FROM_BRST 3 88 #define SCTP_CWND_LOG_FROM_SS 4 89 #define SCTP_CWND_LOG_FROM_CA 5 90 #define SCTP_CWND_LOG_FROM_SAT 6 91 #define SCTP_BLOCK_LOG_INTO_BLK 7 92 #define SCTP_BLOCK_LOG_OUTOF_BLK 8 93 #define SCTP_BLOCK_LOG_CHECK 9 94 #define SCTP_STR_LOG_FROM_INTO_STRD 10 95 #define SCTP_STR_LOG_FROM_IMMED_DEL 11 96 #define SCTP_STR_LOG_FROM_INSERT_HD 12 97 #define SCTP_STR_LOG_FROM_INSERT_MD 13 98 #define SCTP_STR_LOG_FROM_INSERT_TL 14 99 #define SCTP_STR_LOG_FROM_MARK_TSN 15 100 #define SCTP_STR_LOG_FROM_EXPRS_DEL 16 101 #define SCTP_FR_LOG_BIGGEST_TSNS 17 102 #define SCTP_FR_LOG_STRIKE_TEST 18 103 #define SCTP_FR_LOG_STRIKE_CHUNK 19 104 #define SCTP_FR_T3_TIMEOUT 20 105 #define SCTP_MAP_PREPARE_SLIDE 21 106 #define SCTP_MAP_SLIDE_FROM 22 107 #define SCTP_MAP_SLIDE_RESULT 23 108 #define SCTP_MAP_SLIDE_CLEARED 24 109 #define SCTP_MAP_SLIDE_NONE 25 110 #define SCTP_FR_T3_MARK_TIME 26 111 #define SCTP_FR_T3_MARKED 27 112 #define SCTP_FR_T3_STOPPED 28 113 #define SCTP_FR_MARKED 30 114 #define SCTP_CWND_LOG_NOADV_SS 31 115 #define SCTP_CWND_LOG_NOADV_CA 32 116 #define SCTP_MAX_BURST_APPLIED 33 117 #define SCTP_MAX_IFP_APPLIED 34 118 #define SCTP_MAX_BURST_ERROR_STOP 35 119 #define SCTP_INCREASE_PEER_RWND 36 120 #define SCTP_DECREASE_PEER_RWND 37 121 #define SCTP_SET_PEER_RWND_VIA_SACK 38 122 #define SCTP_LOG_MBCNT_INCREASE 39 123 #define SCTP_LOG_MBCNT_DECREASE 40 124 #define SCTP_LOG_MBCNT_CHKSET 41 125 #define SCTP_LOG_NEW_SACK 42 126 #define SCTP_LOG_TSN_ACKED 43 127 #define SCTP_LOG_TSN_REVOKED 44 128 #define SCTP_LOG_LOCK_TCB 45 129 #define SCTP_LOG_LOCK_INP 46 130 #define SCTP_LOG_LOCK_SOCK 47 131 #define SCTP_LOG_LOCK_SOCKBUF_R 48 132 #define SCTP_LOG_LOCK_SOCKBUF_S 49 133 #define SCTP_LOG_LOCK_CREATE 50 134 #define SCTP_LOG_INITIAL_RTT 51 135 #define SCTP_LOG_RTTVAR 52 136 #define SCTP_LOG_SBALLOC 53 137 #define SCTP_LOG_SBFREE 54 138 #define SCTP_LOG_SBRESULT 55 139 #define SCTP_FR_DUPED 56 140 #define SCTP_FR_MARKED_EARLY 57 141 #define SCTP_FR_CWND_REPORT 58 142 #define SCTP_FR_CWND_REPORT_START 59 143 #define SCTP_FR_CWND_REPORT_STOP 60 144 #define SCTP_CWND_LOG_FROM_SEND 61 145 #define SCTP_CWND_INITIALIZATION 62 146 #define SCTP_CWND_LOG_FROM_T3 63 147 #define SCTP_CWND_LOG_FROM_SACK 64 148 #define SCTP_CWND_LOG_NO_CUMACK 65 149 #define SCTP_CWND_LOG_FROM_RESEND 66 150 #define SCTP_FR_LOG_CHECK_STRIKE 67 151 #define SCTP_SEND_NOW_COMPLETES 68 152 #define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 153 #define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 154 #define SCTP_LOG_FREE_SENT 71 155 #define SCTP_NAGLE_APPLIED 72 156 #define SCTP_NAGLE_SKIPPED 73 157 #define SCTP_WAKESND_FROM_SACK 74 158 #define SCTP_WAKESND_FROM_FWDTSN 75 159 #define SCTP_NOWAKE_FROM_SACK 76 160 #define SCTP_CWNDLOG_PRESEND 77 161 #define SCTP_CWNDLOG_ENDSEND 78 162 #define SCTP_AT_END_OF_SACK 79 163 #define SCTP_REASON_FOR_SC 80 164 #define SCTP_BLOCK_LOG_INTO_BLKA 81 165 #define SCTP_ENTER_USER_RECV 82 166 #define SCTP_USER_RECV_SACKS 83 167 #define SCTP_SORECV_BLOCKSA 84 168 #define SCTP_SORECV_BLOCKSB 85 169 #define SCTP_SORECV_DONE 86 170 #define SCTP_SACK_RWND_UPDATE 87 171 #define SCTP_SORECV_ENTER 88 172 #define SCTP_SORECV_ENTERPL 89 173 #define SCTP_MBUF_INPUT 90 174 #define SCTP_MBUF_IALLOC 91 175 #define SCTP_MBUF_IFREE 92 176 #define SCTP_MBUF_ICOPY 93 177 #define SCTP_SORCV_FREECTL 94 178 #define SCTP_SORCV_DOESCPY 95 179 #define SCTP_SORCV_DOESLCK 96 180 #define SCTP_SORCV_DOESADJ 97 181 #define SCTP_SORCV_BOTWHILE 98 182 #define SCTP_SORCV_PASSBF 99 183 #define SCTP_SORCV_ADJD 100 184 #define SCTP_UNKNOWN_MAX 101 185 #define SCTP_RANDY_STUFF 102 186 #define SCTP_RANDY_STUFF1 103 187 #define SCTP_STRMOUT_LOG_ASSIGN 104 188 #define SCTP_STRMOUT_LOG_SEND 105 189 #define SCTP_FLIGHT_LOG_DOWN 106 190 #define SCTP_FLIGHT_LOG_UP 107 191 #define SCTP_LOG_MAX_TYPES 108 192 /* 193 * To turn on various logging, you must first define SCTP_STAT_LOGGING. Then 194 * to get something to log you define one of the logging defines i.e. 195 * 196 * SCTP_CWND_LOGGING SCTP_BLK_LOGGING SCTP_STR_LOGGING SCTP_FR_LOGGING 197 * 198 * Any one or a combination of the logging can be turned on. 199 */ 200 #define SCTP_LOG_EVENT_UNKNOWN 0 201 #define SCTP_LOG_EVENT_CWND 1 202 #define SCTP_LOG_EVENT_BLOCK 2 203 #define SCTP_LOG_EVENT_STRM 3 204 #define SCTP_LOG_EVENT_FR 4 205 #define SCTP_LOG_EVENT_MAP 5 206 #define SCTP_LOG_EVENT_MAXBURST 6 207 #define SCTP_LOG_EVENT_RWND 7 208 #define SCTP_LOG_EVENT_MBCNT 8 209 #define SCTP_LOG_EVENT_SACK 9 210 #define SCTP_LOG_LOCK_EVENT 10 211 #define SCTP_LOG_EVENT_RTT 11 212 #define SCTP_LOG_EVENT_SB 12 213 #define SCTP_LOG_EVENT_NAGLE 13 214 #define SCTP_LOG_EVENT_WAKE 14 215 #define SCTP_LOG_MISC_EVENT 15 216 #define SCTP_LOG_EVENT_CLOSE 16 217 #define SCTP_LOG_EVENT_MBUF 17 218 219 #define SCTP_LOG_MAX_EVENT 18 220 221 #define SCTP_LOCK_UNKNOWN 2 222 223 224 /* number of associations by default for zone allocation */ 225 #define SCTP_MAX_NUM_OF_ASOC 40000 226 /* how many addresses per assoc remote and local */ 227 #define SCTP_SCALE_FOR_ADDR 2 228 229 /* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 230 #if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF) 231 #define SCTP_DEFAULT_AUTO_ASCONF 0 232 #else 233 #define SCTP_DEFAULT_AUTO_ASCONF 1 234 #endif 235 236 /* 237 * Theshold for rwnd updates, we have to read (sb_hiwat >> 238 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 239 * window update sack. When we look, we compare the last rwnd we sent vs the 240 * current rwnd. It too must be greater than this value. Using 3 divdes the 241 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 242 * to read 8k. This seems about right.. I hope :-D.. we do set a 243 * min of a MTU on it so if the rwnd is real small we will insist 244 * on a full MTU of 1500 bytes. 245 */ 246 #define SCTP_RWND_HIWAT_SHIFT 3 247 248 /* How much of the rwnd must the 249 * message be taking up to start partial delivery. 250 * We calculate this by shifing the hi_water (recv_win) 251 * left the following .. set to 1, when a message holds 252 * 1/2 the rwnd. If we set it to 2 when a message holds 253 * 1/4 the rwnd...etc.. 254 */ 255 256 #define SCTP_PARTIAL_DELIVERY_SHIFT 1 257 258 /* Minimum number of bytes read by user before we 259 * condsider doing a rwnd update 260 */ 261 #define SCTP_MIN_READ_BEFORE_CONSIDERING 3000 262 263 /* 264 * default HMAC for cookies, etc... use one of the AUTH HMAC id's 265 * SCTP_HMAC is the HMAC_ID to use 266 * SCTP_SIGNATURE_SIZE is the digest length 267 */ 268 #define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 269 #define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 270 #define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 271 272 /* DEFINE HERE WHAT CRC YOU WANT TO USE */ 273 #define SCTP_USECRC_RFC2960 1 274 /* #define SCTP_USECRC_FLETCHER 1 */ 275 /* #define SCTP_USECRC_SSHCRC32 1 */ 276 /* #define SCTP_USECRC_FASTCRC32 1 */ 277 /* #define SCTP_USECRC_CRC32 1 */ 278 /* #define SCTP_USECRC_TCP32 1 */ 279 /* #define SCTP_USECRC_CRC16SMAL 1 */ 280 /* #define SCTP_USECRC_CRC16 1 */ 281 /* #define SCTP_USECRC_MODADLER 1 */ 282 283 #ifndef SCTP_ADLER32_BASE 284 #define SCTP_ADLER32_BASE 65521 285 #endif 286 287 /* 288 * the SCTP protocol signature this includes the version number encoded in 289 * the last 4 bits of the signature. 290 */ 291 #define PROTO_SIGNATURE_A 0x30000000 292 #define SCTP_VERSION_NUMBER 0x3 293 294 #define MAX_TSN 0xffffffff 295 #define MAX_SEQ 0xffff 296 297 /* how many executions every N tick's */ 298 #define SCTP_ITERATOR_MAX_AT_ONCE 20 299 300 /* number of clock ticks between iterator executions */ 301 #define SCTP_ITERATOR_TICKS 1 302 303 /* 304 * option: If you comment out the following you will receive the old behavior 305 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 306 * happens right away with-out waiting for the flightsize to drop below the 307 * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 308 */ 309 #define SCTP_IGNORE_CWND_ON_FR 1 310 311 /* 312 * Adds implementors guide behavior to only use newest highest update in SACK 313 * gap ack's to figure out if you need to stroke a chunk for FR. 314 */ 315 #define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 316 317 /* default max I can burst out after a fast retransmit */ 318 #define SCTP_DEF_MAX_BURST 4 319 /* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 320 #define SCTP_FIRST_MBUF_RESV 68 321 /* Packet transmit states in the sent field */ 322 #define SCTP_DATAGRAM_UNSENT 0 323 #define SCTP_DATAGRAM_SENT 1 324 #define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 325 * hit this value) */ 326 #define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 327 * hit this value) */ 328 #define SCTP_DATAGRAM_RESEND 4 329 #define SCTP_DATAGRAM_ACKED 10010 330 #define SCTP_DATAGRAM_INBOUND 10011 331 #define SCTP_READY_TO_TRANSMIT 10012 332 #define SCTP_DATAGRAM_MARKED 20010 333 #define SCTP_FORWARD_TSN_SKIP 30010 334 335 /* chunk output send from locations */ 336 #define SCTP_OUTPUT_FROM_USR_SEND 0 337 #define SCTP_OUTPUT_FROM_T3 1 338 #define SCTP_OUTPUT_FROM_INPUT_ERROR 2 339 #define SCTP_OUTPUT_FROM_CONTROL_PROC 3 340 #define SCTP_OUTPUT_FROM_SACK_TMR 4 341 #define SCTP_OUTPUT_FROM_SHUT_TMR 5 342 #define SCTP_OUTPUT_FROM_HB_TMR 6 343 #define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 344 #define SCTP_OUTPUT_FROM_ASCONF_TMR 8 345 #define SCTP_OUTPUT_FROM_STRRST_TMR 9 346 #define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 347 #define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 348 #define SCTP_OUTPUT_FROM_STRRST_REQ 12 349 #define SCTP_OUTPUT_FROM_USR_RCVD 13 350 #define SCTP_OUTPUT_FROM_COOKIE_ACK 14 351 #define SCTP_OUTPUT_FROM_DRAIN 15 352 /* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 353 354 /* align to 32-bit sizes */ 355 #define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 356 357 #define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 358 #define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 359 360 361 /* SCTP parameter types */ 362 /*************0x0000 series*************/ 363 #define SCTP_HEARTBEAT_INFO 0x0001 364 #define SCTP_IPV4_ADDRESS 0x0005 365 #define SCTP_IPV6_ADDRESS 0x0006 366 #define SCTP_STATE_COOKIE 0x0007 367 #define SCTP_UNRECOG_PARAM 0x0008 368 #define SCTP_COOKIE_PRESERVE 0x0009 369 #define SCTP_HOSTNAME_ADDRESS 0x000b 370 #define SCTP_SUPPORTED_ADDRTYPE 0x000c 371 372 /* draft-ietf-stewart-strreset-xxx */ 373 #define SCTP_STR_RESET_OUT_REQUEST 0x000d 374 #define SCTP_STR_RESET_IN_REQUEST 0x000e 375 #define SCTP_STR_RESET_TSN_REQUEST 0x000f 376 #define SCTP_STR_RESET_RESPONSE 0x0010 377 378 #define SCTP_MAX_RESET_PARAMS 2 379 #define SCTP_STREAM_RESET_TSN_DELTA 0x1000 380 381 /*************0x4000 series*************/ 382 383 /*************0x8000 series*************/ 384 #define SCTP_ECN_CAPABLE 0x8000 385 /* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 386 #define SCTP_ECN_NONCE_SUPPORTED 0x8001 387 /* draft-ietf-tsvwg-auth-xxx */ 388 #define SCTP_RANDOM 0x8002 389 #define SCTP_CHUNK_LIST 0x8003 390 #define SCTP_HMAC_LIST 0x8004 391 /* 392 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 393 * | Byte Byte | Byte ... 394 * 395 * Where each byte is a chunk type extension supported. For example, to support 396 * all chunks one would have (in hex): 397 * 398 * 80 01 00 09 C0 C1 80 81 82 00 00 00 399 * 400 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 401 * = Packet Drop 82 = Stream Reset 83 = Authentication 402 */ 403 #define SCTP_SUPPORTED_CHUNK_EXT 0x8008 404 405 /*************0xC000 series*************/ 406 #define SCTP_PRSCTP_SUPPORTED 0xc000 407 /* draft-ietf-tsvwg-addip-sctp */ 408 #define SCTP_ADD_IP_ADDRESS 0xc001 409 #define SCTP_DEL_IP_ADDRESS 0xc002 410 #define SCTP_ERROR_CAUSE_IND 0xc003 411 #define SCTP_SET_PRIM_ADDR 0xc004 412 #define SCTP_SUCCESS_REPORT 0xc005 413 #define SCTP_ULP_ADAPTATION 0xc006 414 415 /* Notification error codes */ 416 #define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 417 #define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 418 #define SCTP_FAILED_THRESHOLD 0x0004 419 #define SCTP_HEARTBEAT_SUCCESS 0x0008 420 #define SCTP_RESPONSE_TO_USER_REQ 0x000f 421 #define SCTP_INTERNAL_ERROR 0x0010 422 #define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0020 423 #define SCTP_RECEIVED_SACK 0x0040 424 #define SCTP_PEER_FAULTY 0x0080 425 426 /* bits for TOS field */ 427 #define SCTP_ECT0_BIT 0x02 428 #define SCTP_ECT1_BIT 0x01 429 #define SCTP_CE_BITS 0x03 430 431 /* below turns off above */ 432 #define SCTP_FLEXIBLE_ADDRESS 0x20 433 #define SCTP_NO_HEARTBEAT 0x40 434 435 /* mask to get sticky */ 436 #define SCTP_STICKY_OPTIONS_MASK 0x0c 437 438 439 /* 440 * SCTP states for internal state machine XXX (should match "user" values) 441 */ 442 #define SCTP_STATE_EMPTY 0x0000 443 #define SCTP_STATE_INUSE 0x0001 444 #define SCTP_STATE_COOKIE_WAIT 0x0002 445 #define SCTP_STATE_COOKIE_ECHOED 0x0004 446 #define SCTP_STATE_OPEN 0x0008 447 #define SCTP_STATE_SHUTDOWN_SENT 0x0010 448 #define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 449 #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 450 #define SCTP_STATE_SHUTDOWN_PENDING 0x0080 451 #define SCTP_STATE_CLOSED_SOCKET 0x0100 452 #define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 453 #define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 454 #define SCTP_STATE_MASK 0x007f 455 456 #define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 457 458 /* SCTP reachability state for each address */ 459 #define SCTP_ADDR_REACHABLE 0x001 460 #define SCTP_ADDR_NOT_REACHABLE 0x002 461 #define SCTP_ADDR_NOHB 0x004 462 #define SCTP_ADDR_BEING_DELETED 0x008 463 #define SCTP_ADDR_NOT_IN_ASSOC 0x010 464 #define SCTP_ADDR_WAS_PRIMARY 0x020 465 #define SCTP_ADDR_SWITCH_PRIMARY 0x040 466 #define SCTP_ADDR_OUT_OF_SCOPE 0x080 467 #define SCTP_ADDR_DOUBLE_SWITCH 0x100 468 #define SCTP_ADDR_UNCONFIRMED 0x200 469 #define SCTP_ADDR_REQ_PRIMARY 0x400 470 #define SCTP_REACHABLE_MASK 0x203 471 472 /* bound address types (e.g. valid address types to allow) */ 473 #define SCTP_BOUND_V6 0x01 474 #define SCTP_BOUND_V4 0x02 475 476 /* 477 * what is the default number of mbufs in a chain I allow before switching to 478 * a cluster 479 */ 480 #define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 481 482 /* How long a cookie lives in seconds */ 483 #define SCTP_DEFAULT_COOKIE_LIFE 60 484 485 /* resource limit of streams */ 486 #define MAX_SCTP_STREAMS 2048 487 488 /* Maximum the mapping array will grow to (TSN mapping array) */ 489 #define SCTP_MAPPING_ARRAY 512 490 491 /* size of the inital malloc on the mapping array */ 492 #define SCTP_INITIAL_MAPPING_ARRAY 16 493 /* how much we grow the mapping array each call */ 494 #define SCTP_MAPPING_ARRAY_INCR 32 495 496 /* 497 * Here we define the timer types used by the implementation as arguments in 498 * the set/get timer type calls. 499 */ 500 #define SCTP_TIMER_INIT 0 501 #define SCTP_TIMER_RECV 1 502 #define SCTP_TIMER_SEND 2 503 #define SCTP_TIMER_HEARTBEAT 3 504 #define SCTP_TIMER_PMTU 4 505 #define SCTP_TIMER_MAXSHUTDOWN 5 506 #define SCTP_TIMER_SIGNATURE 6 507 /* 508 * number of timer types in the base SCTP structure used in the set/get and 509 * has the base default. 510 */ 511 #define SCTP_NUM_TMRS 7 512 513 /* timer types */ 514 #define SCTP_TIMER_TYPE_NONE 0 515 #define SCTP_TIMER_TYPE_SEND 1 516 #define SCTP_TIMER_TYPE_INIT 2 517 #define SCTP_TIMER_TYPE_RECV 3 518 #define SCTP_TIMER_TYPE_SHUTDOWN 4 519 #define SCTP_TIMER_TYPE_HEARTBEAT 5 520 #define SCTP_TIMER_TYPE_COOKIE 6 521 #define SCTP_TIMER_TYPE_NEWCOOKIE 7 522 #define SCTP_TIMER_TYPE_PATHMTURAISE 8 523 #define SCTP_TIMER_TYPE_SHUTDOWNACK 9 524 #define SCTP_TIMER_TYPE_ASCONF 10 525 #define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 526 #define SCTP_TIMER_TYPE_AUTOCLOSE 12 527 #define SCTP_TIMER_TYPE_EVENTWAKE 13 528 #define SCTP_TIMER_TYPE_STRRESET 14 529 #define SCTP_TIMER_TYPE_INPKILL 15 530 #define SCTP_TIMER_TYPE_ITERATOR 16 531 #define SCTP_TIMER_TYPE_EARLYFR 17 532 #define SCTP_TIMER_TYPE_ASOCKILL 18 533 #define SCTP_TIMER_TYPE_ADDR_WQ 19 534 /* add new timers here - and increment LAST */ 535 #define SCTP_TIMER_TYPE_LAST 20 536 537 #define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 538 ((t) < SCTP_TIMER_TYPE_LAST)) 539 540 541 542 /* 543 * Number of ticks before the soxwakeup() event that is delayed is sent AFTER 544 * the accept() call 545 */ 546 #define SCTP_EVENTWAKEUP_WAIT_TICKS 3000 547 548 /* 549 * Of course we really don't collect stale cookies, being folks of decerning 550 * taste. However we do count them, if we get too many before the association 551 * comes up.. we give up. Below is the constant that dictates when we give it 552 * up...this is a implemenation dependent treatment. In ours we do not ask 553 * for a extension of time, but just retry this many times... 554 */ 555 #define SCTP_MAX_STALE_COOKIES_I_COLLECT 10 556 557 /* 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 /* constants for type of set */ 564 #define SCTP_MAXATTEMPT_INIT 2 565 #define SCTP_MAXATTEMPT_SEND 3 566 567 /* Maximum TSN's we will summarize in a drop report */ 568 #define SCTP_MAX_DROP_REPORT 16 569 570 /* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 571 #define SCTP_RETRY_DROPPED_THRESH 4 572 573 /* 574 * And the max we will keep a history of in the tcb which MUST be lower than 575 * 256. 576 */ 577 #define SCTP_MAX_DROP_SAVE_REPORT 16 578 579 /* 580 * Here we define the default timers and the default number of attemts we 581 * make for each respective side (send/init). 582 */ 583 584 /* 585 * Maxmium number of chunks a single association can have on it. Note that 586 * this is a squishy number since the count can run over this if the user 587 * sends a large message down .. the fragmented chunks don't count until 588 * AFTER the message is on queue.. it would be the next send that blocks 589 * things. This number will get tuned up at boot in the sctp_init and use the 590 * number of clusters as a base. This way high bandwidth environments will 591 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 592 */ 593 #define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 594 595 /* The conversion from time to ticks and vice versa is done by rounding 596 * upwards. This way we can test in the code the time to be positive and 597 * know that this corresponds to a positive number of ticks. 598 */ 599 #define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000)) 600 #define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz)) 601 602 #define SEC_TO_TICKS(x) ((x) * hz) 603 #define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz) 604 605 /* 606 * Basically the minimum amount of time before I do a early FR. Making this 607 * value to low will cause duplicate retransmissions. 608 */ 609 #define SCTP_MINFR_MSEC_TIMER 250 610 /* The floor this value is allowed to fall to when starting a timer. */ 611 #define SCTP_MINFR_MSEC_FLOOR 20 612 613 /* init timer def = 1 sec */ 614 #define SCTP_INIT_SEC 1 615 616 /* send timer def = 1 seconds */ 617 #define SCTP_SEND_SEC 1 618 619 /* recv timer def = 200ms */ 620 #define SCTP_RECV_MSEC 200 621 622 /* 30 seconds + RTO (in ms) */ 623 #define SCTP_HB_DEFAULT_MSEC 30000 624 625 /* Max time I will wait for Shutdown to complete */ 626 #define SCTP_DEF_MAX_SHUTDOWN_SEC 180 627 628 629 /* 630 * This is how long a secret lives, NOT how long a cookie lives how many 631 * ticks the current secret will live. 632 */ 633 #define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 634 635 #define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 636 #define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 637 #define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 638 #define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 639 640 641 #define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 642 #define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 643 644 #define SCTP_DEF_MAX_INIT 8 645 #define SCTP_DEF_MAX_SEND 10 646 #define SCTP_DEF_MAX_PATH_RTX 4 647 648 #define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 649 #define SCTP_DEF_PMTU_MIN 600 650 651 #define SCTP_MSEC_IN_A_SEC 1000 652 #define SCTP_USEC_IN_A_SEC 1000000 653 #define SCTP_NSEC_IN_A_SEC 1000000000 654 655 #define SCTP_MAX_OUTSTANDING_DG 10000 656 657 /* How many streams I request initally by default */ 658 #define SCTP_OSTREAM_INITIAL 10 659 660 /* 661 * How many smallest_mtu's need to increase before a window update sack is 662 * sent (should be a power of 2). 663 */ 664 #define SCTP_SEG_TO_RWND_UPD 32 665 /* Send window update (incr * this > hiwat). Should be a power of 2 */ 666 #define SCTP_SCALE_OF_RWND_TO_UPD 4 667 #define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 668 669 #define SCTP_ADDRMAX 20 670 671 /* SCTP DEBUG Switch parameters */ 672 #define SCTP_DEBUG_TIMER1 0x00000001 673 #define SCTP_DEBUG_TIMER2 0x00000002 674 #define SCTP_DEBUG_TIMER3 0x00000004 675 #define SCTP_DEBUG_TIMER4 0x00000008 676 #define SCTP_DEBUG_OUTPUT1 0x00000010 677 #define SCTP_DEBUG_OUTPUT2 0x00000020 678 #define SCTP_DEBUG_OUTPUT3 0x00000040 679 #define SCTP_DEBUG_OUTPUT4 0x00000080 680 #define SCTP_DEBUG_UTIL1 0x00000100 681 #define SCTP_DEBUG_UTIL2 0x00000200 682 #define SCTP_DEBUG_AUTH1 0x00000400 683 #define SCTP_DEBUG_AUTH2 0x00000800 684 #define SCTP_DEBUG_INPUT1 0x00001000 685 #define SCTP_DEBUG_INPUT2 0x00002000 686 #define SCTP_DEBUG_INPUT3 0x00004000 687 #define SCTP_DEBUG_INPUT4 0x00008000 688 #define SCTP_DEBUG_ASCONF1 0x00010000 689 #define SCTP_DEBUG_ASCONF2 0x00020000 690 #define SCTP_DEBUG_OUTPUT5 0x00040000 691 #define SCTP_DEBUG_XXX 0x00080000 692 #define SCTP_DEBUG_PCB1 0x00100000 693 #define SCTP_DEBUG_PCB2 0x00200000 694 #define SCTP_DEBUG_PCB3 0x00400000 695 #define SCTP_DEBUG_PCB4 0x00800000 696 #define SCTP_DEBUG_INDATA1 0x01000000 697 #define SCTP_DEBUG_INDATA2 0x02000000 698 #define SCTP_DEBUG_INDATA3 0x04000000 699 #define SCTP_DEBUG_INDATA4 0x08000000 700 #define SCTP_DEBUG_USRREQ1 0x10000000 701 #define SCTP_DEBUG_USRREQ2 0x20000000 702 #define SCTP_DEBUG_PEEL1 0x40000000 703 #define SCTP_DEBUG_XXXXX 0x80000000 704 #define SCTP_DEBUG_ALL 0x7ff3ffff 705 #define SCTP_DEBUG_NOISY 0x00040000 706 707 /* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 708 #define SCTP_SWS_SENDER_DEF 1420 709 710 /* 711 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 712 * would be hiwat/2 etc. 713 */ 714 /* What receiver needs to see in sockbuf or we tell peer its 1 */ 715 #define SCTP_SWS_RECEIVER_DEF 3000 716 717 #define SCTP_INITIAL_CWND 4380 718 719 /* amount peer is obligated to have in rwnd or I will abort */ 720 #define SCTP_MIN_RWND 1500 721 722 #define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */ 723 #define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to My playing 724 * around suggests a value greater than 64k 725 * does not do much, I guess via the kernel 726 * limitations on the stream/socket. */ 727 728 /* I can handle a 1meg re-assembly */ 729 #define SCTP_DEFAULT_MAXMSGREASM 1048576 730 731 #define SCTP_DEFAULT_MAXSEGMENT 65535 732 733 #define SCTP_CHUNK_BUFFER_SIZE 2048 734 #define SCTP_PARAM_BUFFER_SIZE 512 735 736 #define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 737 #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 738 739 #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 740 #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 741 742 743 /* 744 * SCTP upper layer notifications 745 */ 746 #define SCTP_NOTIFY_ASSOC_UP 1 747 #define SCTP_NOTIFY_ASSOC_DOWN 2 748 #define SCTP_NOTIFY_INTERFACE_DOWN 3 749 #define SCTP_NOTIFY_INTERFACE_UP 4 750 #define SCTP_NOTIFY_DG_FAIL 5 751 #define SCTP_NOTIFY_STRDATA_ERR 6 752 #define SCTP_NOTIFY_ASSOC_ABORTED 7 753 #define SCTP_NOTIFY_PEER_OPENED_STREAM 8 754 #define SCTP_NOTIFY_STREAM_OPENED_OK 9 755 #define SCTP_NOTIFY_ASSOC_RESTART 10 756 #define SCTP_NOTIFY_HB_RESP 11 757 #define SCTP_NOTIFY_ASCONF_SUCCESS 12 758 #define SCTP_NOTIFY_ASCONF_FAILED 13 759 #define SCTP_NOTIFY_PEER_SHUTDOWN 14 760 #define SCTP_NOTIFY_ASCONF_ADD_IP 15 761 #define SCTP_NOTIFY_ASCONF_DELETE_IP 16 762 #define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 763 #define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 764 #define SCTP_NOTIFY_ADAPTATION_INDICATION 19 765 /* same as above */ 766 #define SCTP_NOTIFY_ADAPTION_INDICATION 19 767 #define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 768 #define SCTP_NOTIFY_STR_RESET_RECV 21 769 #define SCTP_NOTIFY_STR_RESET_SEND 22 770 #define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 771 #define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 772 #define SCTP_NOTIFY_AUTH_NEW_KEY 25 773 #define SCTP_NOTIFY_AUTH_KEY_CONFLICT 26 774 #define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 775 #define SCTP_NOTIFY_MAX 27 776 777 /* This is the value for messages that are NOT completely 778 * copied down where we will start to split the message. 779 * So, with our default, we split only if the piece we 780 * want to take will fill up a full MTU (assuming 781 * a 1500 byte MTU). 782 */ 783 #define SCTP_DEFAULT_SPLIT_POINT_MIN 2904 784 785 /* ABORT CODES and other tell-tale location 786 * codes are generated by adding the below 787 * to the instance id. 788 */ 789 790 /* File defines */ 791 #define SCTP_FROM_SCTP_INPUT 0x10000000 792 #define SCTP_FROM_SCTP_PCB 0x20000000 793 #define SCTP_FROM_SCTP_INDATA 0x30000000 794 #define SCTP_FROM_SCTP_TIMER 0x40000000 795 #define SCTP_FROM_SCTP_USRREQ 0x50000000 796 #define SCTP_FROM_SCTPUTIL 0x60000000 797 #define SCTP_FROM_SCTP6_USRREQ 0x70000000 798 #define SCTP_FROM_SCTP_ASCONF 0x80000000 799 #define SCTP_FROM_SCTP_OUTPUT 0x90000000 800 #define SCTP_FROM_SCTP_PEELOFF 0xa0000000 801 802 /* Location ID's */ 803 #define SCTP_LOC_1 0x00000001 804 #define SCTP_LOC_2 0x00000002 805 #define SCTP_LOC_3 0x00000003 806 #define SCTP_LOC_4 0x00000004 807 #define SCTP_LOC_5 0x00000005 808 #define SCTP_LOC_6 0x00000006 809 #define SCTP_LOC_7 0x00000007 810 #define SCTP_LOC_8 0x00000008 811 #define SCTP_LOC_9 0x00000009 812 #define SCTP_LOC_10 0x0000000a 813 #define SCTP_LOC_11 0x0000000b 814 #define SCTP_LOC_12 0x0000000c 815 #define SCTP_LOC_13 0x0000000d 816 #define SCTP_LOC_14 0x0000000e 817 #define SCTP_LOC_15 0x0000000f 818 #define SCTP_LOC_16 0x00000010 819 #define SCTP_LOC_17 0x00000011 820 #define SCTP_LOC_18 0x00000012 821 #define SCTP_LOC_19 0x00000013 822 #define SCTP_LOC_20 0x00000014 823 #define SCTP_LOC_21 0x00000015 824 #define SCTP_LOC_22 0x00000016 825 #define SCTP_LOC_23 0x00000017 826 #define SCTP_LOC_24 0x00000018 827 #define SCTP_LOC_25 0x00000019 828 #define SCTP_LOC_26 0x0000001a 829 #define SCTP_LOC_27 0x0000001b 830 #define SCTP_LOC_28 0x0000001c 831 #define SCTP_LOC_29 0x0000001d 832 #define SCTP_LOC_30 0x0000001e 833 #define SCTP_LOC_31 0x0000001f 834 #define SCTP_LOC_32 0x00000020 835 836 837 /* Free assoc codes */ 838 #define SCTP_NORMAL_PROC 0 839 #define SCTP_PCBFREE_NOFORCE 1 840 #define SCTP_PCBFREE_FORCE 2 841 842 /* From codes for adding addresses */ 843 #define SCTP_ADDR_IS_CONFIRMED 8 844 #define SCTP_ADDR_DYNAMIC_ADDED 6 845 #define SCTP_IN_COOKIE_PROC 100 846 #define SCTP_ALLOC_ASOC 1 847 #define SCTP_LOAD_ADDR_2 2 848 #define SCTP_LOAD_ADDR_3 3 849 #define SCTP_LOAD_ADDR_4 4 850 #define SCTP_LOAD_ADDR_5 5 851 852 #define SCTP_DONOT_SETSCOPE 0 853 #define SCTP_DO_SETSCOPE 1 854 855 856 /* This value determines the default for when 857 * we try to add more on the send queue., if 858 * there is room. This prevents us from cycling 859 * into the copy_resume routine to often if 860 * we have not got enough space to add a decent 861 * enough size message. Note that if we have enough 862 * space to complete the message copy we will always 863 * add to the message, no matter what the size. Its 864 * only when we reach the point that we have some left 865 * to add, there is only room for part of it that we 866 * will use this threshold. Its also a sysctl. 867 */ 868 #define SCTP_DEFAULT_ADD_MORE 1452 869 870 #ifndef SCTP_PCBHASHSIZE 871 /* default number of association hash buckets in each endpoint */ 872 #define SCTP_PCBHASHSIZE 256 873 #endif 874 #ifndef SCTP_TCBHASHSIZE 875 #define SCTP_TCBHASHSIZE 1024 876 #endif 877 878 #ifndef SCTP_CHUNKQUEUE_SCALE 879 #define SCTP_CHUNKQUEUE_SCALE 10 880 #endif 881 882 /* clock variance is 1 ms */ 883 #define SCTP_CLOCK_GRANULARITY 1 884 #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 885 * detracts a small amount for ipv4 but it 886 * simplifies the ipv6 addition */ 887 888 #ifndef IPPROTO_SCTP 889 #define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 890 #endif /* !IPPROTO_SCTP */ 891 892 #define SCTP_MAX_DATA_BUNDLING 256 893 #define SCTP_MAX_CONTROL_BUNDLING 20 894 895 /* modular comparison */ 896 /* True if a > b (mod = M) */ 897 #define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 898 ((b > a) && ((b - a) > ((M >> 1) + 1)))) 899 900 901 /* Mapping array manipulation routines */ 902 #define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 903 #define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 904 #define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 905 906 907 #define SCTP_RETRAN_DONE -1 908 #define SCTP_RETRAN_EXIT -2 909 910 /* 911 * This value defines the number of vtag block time wait entry's per list 912 * element. Each entry will take 2 4 byte ints (and of course the overhead 913 * of the next pointer as well). Using 15 as an example will yield * ((8 * 914 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 915 * initialized. Increasing it to 31 would yeild 256 bytes per block. 916 */ 917 #define SCTP_NUMBER_IN_VTAG_BLOCK 15 918 /* 919 * If we use the STACK option, we have an array of this size head pointers. 920 * This array is mod'd the with the size to find which bucket and then all 921 * entries must be searched to see if the tag is in timed wait. If so we 922 * reject it. 923 */ 924 #define SCTP_STACK_VTAG_HASH_SIZE 31 925 926 /* 927 * If we use the per-endpoint model than we do not have a hash table of 928 * entries but instead have a single head pointer and we must crawl through 929 * the entire list. 930 */ 931 932 /* 933 * Number of seconds of time wait, tied to MSL value (2 minutes), so 2 * MSL 934 * = 4 minutes or 480 seconds. 935 */ 936 #define SCTP_TIME_WAIT 480 937 938 /* This time wait is the same as the default cookie life 939 * since we now enter a tag in every time we send a cookie. 940 * We want this shorter to avoid vtag depletion. 941 */ 942 #define SCTP_TIME_WAIT_SHORT 60 943 944 /* 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 #define IN4_ISPRIVATE_ADDRESS(a) \ 956 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 957 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 958 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 959 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 960 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 961 (((uint8_t *)&(a)->s_addr)[1] == 168))) 962 963 #define IN4_ISLOOPBACK_ADDRESS(a) \ 964 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 965 (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 966 (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 967 (((uint8_t *)&(a)->s_addr)[3] == 1)) 968 969 970 #if defined(_KERNEL) 971 972 #define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 973 #define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 974 /*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 975 /*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 976 /* (x)->tv_sec = ticks / 1000; \*/ 977 /* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 978 /*}*/ 979 980 /*#else*/ 981 /*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 982 /*#endif __FreeBSD__ */ 983 984 #define sctp_sowwakeup(inp, so) \ 985 do { \ 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) \ 994 do { \ 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) \ 1004 do { \ 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) \ 1013 do { \ 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 */ 1023 #endif 1024