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 40 #define SCTP_VERSION_STRING "KAME-BSD 1.1" 41 /* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */ 42 #define SCTP_AUDIT_SIZE 256 43 #define SCTP_STAT_LOG_SIZE 80000 44 45 /* Places that CWND log can happen from */ 46 #define SCTP_CWND_LOG_FROM_FR 1 47 #define SCTP_CWND_LOG_FROM_RTX 2 48 #define SCTP_CWND_LOG_FROM_BRST 3 49 #define SCTP_CWND_LOG_FROM_SS 4 50 #define SCTP_CWND_LOG_FROM_CA 5 51 #define SCTP_CWND_LOG_FROM_SAT 6 52 #define SCTP_BLOCK_LOG_INTO_BLK 7 53 #define SCTP_BLOCK_LOG_OUTOF_BLK 8 54 #define SCTP_BLOCK_LOG_CHECK 9 55 #define SCTP_STR_LOG_FROM_INTO_STRD 10 56 #define SCTP_STR_LOG_FROM_IMMED_DEL 11 57 #define SCTP_STR_LOG_FROM_INSERT_HD 12 58 #define SCTP_STR_LOG_FROM_INSERT_MD 13 59 #define SCTP_STR_LOG_FROM_INSERT_TL 14 60 #define SCTP_STR_LOG_FROM_MARK_TSN 15 61 #define SCTP_STR_LOG_FROM_EXPRS_DEL 16 62 #define SCTP_FR_LOG_BIGGEST_TSNS 17 63 #define SCTP_FR_LOG_STRIKE_TEST 18 64 #define SCTP_FR_LOG_STRIKE_CHUNK 19 65 #define SCTP_FR_T3_TIMEOUT 20 66 #define SCTP_MAP_PREPARE_SLIDE 21 67 #define SCTP_MAP_SLIDE_FROM 22 68 #define SCTP_MAP_SLIDE_RESULT 23 69 #define SCTP_MAP_SLIDE_CLEARED 24 70 #define SCTP_MAP_SLIDE_NONE 25 71 #define SCTP_FR_T3_MARK_TIME 26 72 #define SCTP_FR_T3_MARKED 27 73 #define SCTP_FR_T3_STOPPED 28 74 #define SCTP_FR_MARKED 30 75 #define SCTP_CWND_LOG_NOADV_SS 31 76 #define SCTP_CWND_LOG_NOADV_CA 32 77 #define SCTP_MAX_BURST_APPLIED 33 78 #define SCTP_MAX_IFP_APPLIED 34 79 #define SCTP_MAX_BURST_ERROR_STOP 35 80 #define SCTP_INCREASE_PEER_RWND 36 81 #define SCTP_DECREASE_PEER_RWND 37 82 #define SCTP_SET_PEER_RWND_VIA_SACK 38 83 #define SCTP_LOG_MBCNT_INCREASE 39 84 #define SCTP_LOG_MBCNT_DECREASE 40 85 #define SCTP_LOG_MBCNT_CHKSET 41 86 #define SCTP_LOG_NEW_SACK 42 87 #define SCTP_LOG_TSN_ACKED 43 88 #define SCTP_LOG_TSN_REVOKED 44 89 #define SCTP_LOG_LOCK_TCB 45 90 #define SCTP_LOG_LOCK_INP 46 91 #define SCTP_LOG_LOCK_SOCK 47 92 #define SCTP_LOG_LOCK_SOCKBUF_R 48 93 #define SCTP_LOG_LOCK_SOCKBUF_S 49 94 #define SCTP_LOG_LOCK_CREATE 50 95 #define SCTP_LOG_INITIAL_RTT 51 96 #define SCTP_LOG_RTTVAR 52 97 #define SCTP_LOG_SBALLOC 53 98 #define SCTP_LOG_SBFREE 54 99 #define SCTP_LOG_SBRESULT 55 100 #define SCTP_FR_DUPED 56 101 #define SCTP_FR_MARKED_EARLY 57 102 #define SCTP_FR_CWND_REPORT 58 103 #define SCTP_FR_CWND_REPORT_START 59 104 #define SCTP_FR_CWND_REPORT_STOP 60 105 #define SCTP_CWND_LOG_FROM_SEND 61 106 #define SCTP_CWND_INITIALIZATION 62 107 #define SCTP_CWND_LOG_FROM_T3 63 108 #define SCTP_CWND_LOG_FROM_SACK 64 109 #define SCTP_CWND_LOG_NO_CUMACK 65 110 #define SCTP_CWND_LOG_FROM_RESEND 66 111 #define SCTP_FR_LOG_CHECK_STRIKE 67 112 #define SCTP_SEND_NOW_COMPLETES 68 113 #define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69 114 #define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70 115 #define SCTP_LOG_FREE_SENT 71 116 #define SCTP_NAGLE_APPLIED 72 117 #define SCTP_NAGLE_SKIPPED 73 118 #define SCTP_WAKESND_FROM_SACK 74 119 #define SCTP_WAKESND_FROM_FWDTSN 75 120 #define SCTP_NOWAKE_FROM_SACK 76 121 #define SCTP_CWNDLOG_PRESEND 77 122 #define SCTP_CWNDLOG_ENDSEND 78 123 #define SCTP_AT_END_OF_SACK 79 124 #define SCTP_REASON_FOR_SC 80 125 #define SCTP_BLOCK_LOG_INTO_BLKA 81 126 #define SCTP_ENTER_USER_RECV 82 127 #define SCTP_USER_RECV_SACKS 83 128 #define SCTP_SORECV_BLOCKSA 84 129 #define SCTP_SORECV_BLOCKSB 85 130 #define SCTP_SORECV_DONE 86 131 #define SCTP_SACK_RWND_UPDATE 87 132 #define SCTP_SORECV_ENTER 88 133 #define SCTP_SORECV_ENTERPL 89 134 #define SCTP_MBUF_INPUT 90 135 #define SCTP_MBUF_IALLOC 91 136 #define SCTP_MBUF_IFREE 92 137 #define SCTP_MBUF_ICOPY 93 138 #define SCTP_SORCV_FREECTL 94 139 #define SCTP_SORCV_DOESCPY 95 140 #define SCTP_SORCV_DOESLCK 96 141 #define SCTP_SORCV_DOESADJ 97 142 #define SCTP_SORCV_BOTWHILE 98 143 #define SCTP_SORCV_PASSBF 99 144 #define SCTP_SORCV_ADJD 100 145 #define SCTP_UNKNOWN_MAX 101 146 #define SCTP_RANDY_STUFF 102 147 #define SCTP_RANDY_STUFF1 103 148 #define SCTP_STRMOUT_LOG_ASSIGN 104 149 #define SCTP_STRMOUT_LOG_SEND 105 150 #define SCTP_FLIGHT_LOG_DOWN 106 151 #define SCTP_FLIGHT_LOG_UP 107 152 #define SCTP_LOG_MAX_TYPES 108 153 /* 154 * To turn on various logging, you must first define SCTP_STAT_LOGGING. Then 155 * to get something to log you define one of the logging defines i.e. 156 * 157 * SCTP_CWND_LOGGING SCTP_BLK_LOGGING SCTP_STR_LOGGING SCTP_FR_LOGGING 158 * 159 * Any one or a combination of the logging can be turned on. 160 */ 161 #define SCTP_LOG_EVENT_UNKNOWN 0 162 #define SCTP_LOG_EVENT_CWND 1 163 #define SCTP_LOG_EVENT_BLOCK 2 164 #define SCTP_LOG_EVENT_STRM 3 165 #define SCTP_LOG_EVENT_FR 4 166 #define SCTP_LOG_EVENT_MAP 5 167 #define SCTP_LOG_EVENT_MAXBURST 6 168 #define SCTP_LOG_EVENT_RWND 7 169 #define SCTP_LOG_EVENT_MBCNT 8 170 #define SCTP_LOG_EVENT_SACK 9 171 #define SCTP_LOG_LOCK_EVENT 10 172 #define SCTP_LOG_EVENT_RTT 11 173 #define SCTP_LOG_EVENT_SB 12 174 #define SCTP_LOG_EVENT_NAGLE 13 175 #define SCTP_LOG_EVENT_WAKE 14 176 #define SCTP_LOG_MISC_EVENT 15 177 #define SCTP_LOG_EVENT_CLOSE 16 178 #define SCTP_LOG_EVENT_MBUF 17 179 180 #define SCTP_LOG_MAX_EVENT 18 181 182 #define SCTP_LOCK_UNKNOWN 2 183 184 185 /* number of associations by default for zone allocation */ 186 #define SCTP_MAX_NUM_OF_ASOC 40000 187 /* how many addresses per assoc remote and local */ 188 #define SCTP_SCALE_FOR_ADDR 2 189 190 /* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */ 191 #define SCTP_DEFAULT_AUTO_ASCONF 0 192 193 /* 194 * Theshold for rwnd updates, we have to read (sb_hiwat >> 195 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a 196 * window update sack. When we look, we compare the last rwnd we sent vs the 197 * current rwnd. It too must be greater than this value. Using 3 divdes the 198 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need 199 * to read 8k. This seems about right.. I hope :-D.. we do set a 200 * min of a MTU on it so if the rwnd is real small we will insist 201 * on a full MTU of 1500 bytes. 202 */ 203 #define SCTP_RWND_HIWAT_SHIFT 3 204 205 /* How much of the rwnd must the 206 * message be taking up to start partial delivery. 207 * We calculate this by shifing the hi_water (recv_win) 208 * left the following .. set to 1, when a message holds 209 * 1/2 the rwnd. If we set it to 2 when a message holds 210 * 1/4 the rwnd...etc.. 211 */ 212 213 #define SCTP_PARTIAL_DELIVERY_SHIFT 1 214 215 /* Minimum number of bytes read by user before we 216 * condsider doing a rwnd update 217 */ 218 #define SCTP_MIN_READ_BEFORE_CONSIDERING 3000 219 220 /* 221 * default HMAC for cookies, etc... use one of the AUTH HMAC id's 222 * SCTP_HMAC is the HMAC_ID to use 223 * SCTP_SIGNATURE_SIZE is the digest length 224 */ 225 #define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1 226 #define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1 227 #define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE 228 229 /* DEFINE HERE WHAT CRC YOU WANT TO USE */ 230 #define SCTP_USECRC_RFC2960 1 231 /* #define SCTP_USECRC_FLETCHER 1 */ 232 /* #define SCTP_USECRC_SSHCRC32 1 */ 233 /* #define SCTP_USECRC_FASTCRC32 1 */ 234 /* #define SCTP_USECRC_CRC32 1 */ 235 /* #define SCTP_USECRC_TCP32 1 */ 236 /* #define SCTP_USECRC_CRC16SMAL 1 */ 237 /* #define SCTP_USECRC_CRC16 1 */ 238 /* #define SCTP_USECRC_MODADLER 1 */ 239 240 #ifndef SCTP_ADLER32_BASE 241 #define SCTP_ADLER32_BASE 65521 242 #endif 243 244 /* 245 * the SCTP protocol signature this includes the version number encoded in 246 * the last 4 bits of the signature. 247 */ 248 #define PROTO_SIGNATURE_A 0x30000000 249 #define SCTP_VERSION_NUMBER 0x3 250 251 #define MAX_TSN 0xffffffff 252 #define MAX_SEQ 0xffff 253 254 /* how many executions every N tick's */ 255 #define SCTP_ITERATOR_MAX_AT_ONCE 20 256 257 /* number of clock ticks between iterator executions */ 258 #define SCTP_ITERATOR_TICKS 1 259 260 /* 261 * option: If you comment out the following you will receive the old behavior 262 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR 263 * happens right away with-out waiting for the flightsize to drop below the 264 * cwnd value (which is reduced by the FR to 1/2 the inflight packets). 265 */ 266 #define SCTP_IGNORE_CWND_ON_FR 1 267 268 /* 269 * Adds implementors guide behavior to only use newest highest update in SACK 270 * gap ack's to figure out if you need to stroke a chunk for FR. 271 */ 272 #define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1 273 274 /* default max I can burst out after a fast retransmit */ 275 #define SCTP_DEF_MAX_BURST 4 276 /* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */ 277 #define SCTP_FIRST_MBUF_RESV 68 278 /* Packet transmit states in the sent field */ 279 #define SCTP_DATAGRAM_UNSENT 0 280 #define SCTP_DATAGRAM_SENT 1 281 #define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may 282 * hit this value) */ 283 #define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may 284 * hit this value) */ 285 #define SCTP_DATAGRAM_RESEND 4 286 #define SCTP_DATAGRAM_ACKED 10010 287 #define SCTP_DATAGRAM_INBOUND 10011 288 #define SCTP_READY_TO_TRANSMIT 10012 289 #define SCTP_DATAGRAM_MARKED 20010 290 #define SCTP_FORWARD_TSN_SKIP 30010 291 292 /* chunk output send from locations */ 293 #define SCTP_OUTPUT_FROM_USR_SEND 0 294 #define SCTP_OUTPUT_FROM_T3 1 295 #define SCTP_OUTPUT_FROM_INPUT_ERROR 2 296 #define SCTP_OUTPUT_FROM_CONTROL_PROC 3 297 #define SCTP_OUTPUT_FROM_SACK_TMR 4 298 #define SCTP_OUTPUT_FROM_SHUT_TMR 5 299 #define SCTP_OUTPUT_FROM_HB_TMR 6 300 #define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7 301 #define SCTP_OUTPUT_FROM_ASCONF_TMR 8 302 #define SCTP_OUTPUT_FROM_STRRST_TMR 9 303 #define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10 304 #define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11 305 #define SCTP_OUTPUT_FROM_STRRST_REQ 12 306 #define SCTP_OUTPUT_FROM_USR_RCVD 13 307 #define SCTP_OUTPUT_FROM_COOKIE_ACK 14 308 /* SCTP chunk types are moved sctp.h for application (NAT, FW) use */ 309 310 /* align to 32-bit sizes */ 311 #define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2) 312 313 #define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA) 314 #define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA) 315 316 317 /* SCTP parameter types */ 318 /*************0x0000 series*************/ 319 #define SCTP_HEARTBEAT_INFO 0x0001 320 #define SCTP_IPV4_ADDRESS 0x0005 321 #define SCTP_IPV6_ADDRESS 0x0006 322 #define SCTP_STATE_COOKIE 0x0007 323 #define SCTP_UNRECOG_PARAM 0x0008 324 #define SCTP_COOKIE_PRESERVE 0x0009 325 #define SCTP_HOSTNAME_ADDRESS 0x000b 326 #define SCTP_SUPPORTED_ADDRTYPE 0x000c 327 328 /* draft-ietf-stewart-strreset-xxx */ 329 #define SCTP_STR_RESET_OUT_REQUEST 0x000d 330 #define SCTP_STR_RESET_IN_REQUEST 0x000e 331 #define SCTP_STR_RESET_TSN_REQUEST 0x000f 332 #define SCTP_STR_RESET_RESPONSE 0x0010 333 334 #define SCTP_MAX_RESET_PARAMS 2 335 #define SCTP_STREAM_RESET_TSN_DELTA 0x1000 336 337 /*************0x4000 series*************/ 338 339 /*************0x8000 series*************/ 340 #define SCTP_ECN_CAPABLE 0x8000 341 /* ECN Nonce: draft-ladha-sctp-ecn-nonce */ 342 #define SCTP_ECN_NONCE_SUPPORTED 0x8001 343 /* draft-ietf-tsvwg-auth-xxx */ 344 #define SCTP_RANDOM 0x8002 345 #define SCTP_CHUNK_LIST 0x8003 346 #define SCTP_HMAC_LIST 0x8004 347 /* 348 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte 349 * | Byte Byte | Byte ... 350 * 351 * Where each byte is a chunk type extension supported. For example, to support 352 * all chunks one would have (in hex): 353 * 354 * 80 01 00 09 C0 C1 80 81 82 00 00 00 355 * 356 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81 357 * = Packet Drop 82 = Stream Reset 83 = Authentication 358 */ 359 #define SCTP_SUPPORTED_CHUNK_EXT 0x8008 360 361 /*************0xC000 series*************/ 362 #define SCTP_PRSCTP_SUPPORTED 0xc000 363 /* draft-ietf-tsvwg-addip-sctp */ 364 #define SCTP_ADD_IP_ADDRESS 0xc001 365 #define SCTP_DEL_IP_ADDRESS 0xc002 366 #define SCTP_ERROR_CAUSE_IND 0xc003 367 #define SCTP_SET_PRIM_ADDR 0xc004 368 #define SCTP_SUCCESS_REPORT 0xc005 369 #define SCTP_ULP_ADAPTATION 0xc006 370 371 /* Notification error codes */ 372 #define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001 373 #define SCTP_NOTIFY_DATAGRAM_SENT 0x0002 374 #define SCTP_FAILED_THRESHOLD 0x0004 375 #define SCTP_HEARTBEAT_SUCCESS 0x0008 376 #define SCTP_RESPONSE_TO_USER_REQ 0x000f 377 #define SCTP_INTERNAL_ERROR 0x0010 378 #define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0020 379 #define SCTP_RECEIVED_SACK 0x0040 380 #define SCTP_PEER_FAULTY 0x0080 381 382 /* bits for TOS field */ 383 #define SCTP_ECT0_BIT 0x02 384 #define SCTP_ECT1_BIT 0x01 385 #define SCTP_CE_BITS 0x03 386 387 /* below turns off above */ 388 #define SCTP_FLEXIBLE_ADDRESS 0x20 389 #define SCTP_NO_HEARTBEAT 0x40 390 391 /* mask to get sticky */ 392 #define SCTP_STICKY_OPTIONS_MASK 0x0c 393 394 395 /* Chunk flags */ 396 #define SCTP_WINDOW_PROBE 0x01 397 398 /* 399 * SCTP states for internal state machine XXX (should match "user" values) 400 */ 401 #define SCTP_STATE_EMPTY 0x0000 402 #define SCTP_STATE_INUSE 0x0001 403 #define SCTP_STATE_COOKIE_WAIT 0x0002 404 #define SCTP_STATE_COOKIE_ECHOED 0x0004 405 #define SCTP_STATE_OPEN 0x0008 406 #define SCTP_STATE_SHUTDOWN_SENT 0x0010 407 #define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020 408 #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 409 #define SCTP_STATE_SHUTDOWN_PENDING 0x0080 410 #define SCTP_STATE_CLOSED_SOCKET 0x0100 411 #define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200 412 #define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400 413 #define SCTP_STATE_MASK 0x007f 414 415 #define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK) 416 417 /* SCTP reachability state for each address */ 418 #define SCTP_ADDR_REACHABLE 0x001 419 #define SCTP_ADDR_NOT_REACHABLE 0x002 420 #define SCTP_ADDR_NOHB 0x004 421 #define SCTP_ADDR_BEING_DELETED 0x008 422 #define SCTP_ADDR_NOT_IN_ASSOC 0x010 423 #define SCTP_ADDR_WAS_PRIMARY 0x020 424 #define SCTP_ADDR_SWITCH_PRIMARY 0x040 425 #define SCTP_ADDR_OUT_OF_SCOPE 0x080 426 #define SCTP_ADDR_DOUBLE_SWITCH 0x100 427 #define SCTP_ADDR_UNCONFIRMED 0x200 428 429 #define SCTP_REACHABLE_MASK 0x203 430 431 /* bound address types (e.g. valid address types to allow) */ 432 #define SCTP_BOUND_V6 0x01 433 #define SCTP_BOUND_V4 0x02 434 435 /* 436 * what is the default number of mbufs in a chain I allow before switching to 437 * a cluster 438 */ 439 #define SCTP_DEFAULT_MBUFS_IN_CHAIN 5 440 441 /* How long a cookie lives in seconds */ 442 #define SCTP_DEFAULT_COOKIE_LIFE 60 443 444 /* resource limit of streams */ 445 #define MAX_SCTP_STREAMS 2048 446 447 /* Maximum the mapping array will grow to (TSN mapping array) */ 448 #define SCTP_MAPPING_ARRAY 512 449 450 /* size of the inital malloc on the mapping array */ 451 #define SCTP_INITIAL_MAPPING_ARRAY 16 452 /* how much we grow the mapping array each call */ 453 #define SCTP_MAPPING_ARRAY_INCR 32 454 455 /* 456 * Here we define the timer types used by the implementation as arguments in 457 * the set/get timer type calls. 458 */ 459 #define SCTP_TIMER_INIT 0 460 #define SCTP_TIMER_RECV 1 461 #define SCTP_TIMER_SEND 2 462 #define SCTP_TIMER_HEARTBEAT 3 463 #define SCTP_TIMER_PMTU 4 464 #define SCTP_TIMER_MAXSHUTDOWN 5 465 #define SCTP_TIMER_SIGNATURE 6 466 /* 467 * number of timer types in the base SCTP structure used in the set/get and 468 * has the base default. 469 */ 470 #define SCTP_NUM_TMRS 7 471 472 /* timer types */ 473 #define SCTP_TIMER_TYPE_NONE 0 474 #define SCTP_TIMER_TYPE_SEND 1 475 #define SCTP_TIMER_TYPE_INIT 2 476 #define SCTP_TIMER_TYPE_RECV 3 477 #define SCTP_TIMER_TYPE_SHUTDOWN 4 478 #define SCTP_TIMER_TYPE_HEARTBEAT 5 479 #define SCTP_TIMER_TYPE_COOKIE 6 480 #define SCTP_TIMER_TYPE_NEWCOOKIE 7 481 #define SCTP_TIMER_TYPE_PATHMTURAISE 8 482 #define SCTP_TIMER_TYPE_SHUTDOWNACK 9 483 #define SCTP_TIMER_TYPE_ASCONF 10 484 #define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11 485 #define SCTP_TIMER_TYPE_AUTOCLOSE 12 486 #define SCTP_TIMER_TYPE_EVENTWAKE 13 487 #define SCTP_TIMER_TYPE_STRRESET 14 488 #define SCTP_TIMER_TYPE_INPKILL 15 489 #define SCTP_TIMER_TYPE_ITERATOR 16 490 #define SCTP_TIMER_TYPE_EARLYFR 17 491 #define SCTP_TIMER_TYPE_ASOCKILL 18 492 #define SCTP_TIMER_TYPE_ADDR_WQ 19 493 /* add new timers here - and increment LAST */ 494 #define SCTP_TIMER_TYPE_LAST 20 495 496 #define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \ 497 ((t) < SCTP_TIMER_TYPE_LAST)) 498 499 500 501 /* 502 * Number of ticks before the soxwakeup() event that is delayed is sent AFTER 503 * the accept() call 504 */ 505 #define SCTP_EVENTWAKEUP_WAIT_TICKS 3000 506 507 /* 508 * Of course we really don't collect stale cookies, being folks of decerning 509 * taste. However we do count them, if we get too many before the association 510 * comes up.. we give up. Below is the constant that dictates when we give it 511 * up...this is a implemenation dependent treatment. In ours we do not ask 512 * for a extension of time, but just retry this many times... 513 */ 514 #define SCTP_MAX_STALE_COOKIES_I_COLLECT 10 515 516 /* max number of TSN's dup'd that I will hold */ 517 #define SCTP_MAX_DUP_TSNS 20 518 519 /* 520 * Here we define the types used when setting the retry amounts. 521 */ 522 /* constants for type of set */ 523 #define SCTP_MAXATTEMPT_INIT 2 524 #define SCTP_MAXATTEMPT_SEND 3 525 526 /* Maximum TSN's we will summarize in a drop report */ 527 #define SCTP_MAX_DROP_REPORT 16 528 529 /* How many drop re-attempts we make on INIT/COOKIE-ECHO */ 530 #define SCTP_RETRY_DROPPED_THRESH 4 531 532 /* 533 * And the max we will keep a history of in the tcb which MUST be lower than 534 * 256. 535 */ 536 #define SCTP_MAX_DROP_SAVE_REPORT 16 537 538 /* 539 * Here we define the default timers and the default number of attemts we 540 * make for each respective side (send/init). 541 */ 542 543 /* 544 * Maxmium number of chunks a single association can have on it. Note that 545 * this is a squishy number since the count can run over this if the user 546 * sends a large message down .. the fragmented chunks don't count until 547 * AFTER the message is on queue.. it would be the next send that blocks 548 * things. This number will get tuned up at boot in the sctp_init and use the 549 * number of clusters as a base. This way high bandwidth environments will 550 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks 551 */ 552 #define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 553 554 #define MSEC_TO_TICKS(x) ((hz == 1000) ? x : (((x) * hz) / 1000)) 555 #define TICKS_TO_MSEC(x) ((hz == 1000) ? x : (((x) * 1000) / hz)) 556 557 #define SEC_TO_TICKS(x) ((x) * hz) 558 #define TICKS_TO_SEC(x) ((x) / hz) 559 560 /* 561 * Basically the minimum amount of time before I do a early FR. Making this 562 * value to low will cause duplicate retransmissions. 563 */ 564 #define SCTP_MINFR_MSEC_TIMER 250 565 /* The floor this value is allowed to fall to when starting a timer. */ 566 #define SCTP_MINFR_MSEC_FLOOR 20 567 568 /* init timer def = 1 sec */ 569 #define SCTP_INIT_SEC 1 570 571 /* send timer def = 1 seconds */ 572 #define SCTP_SEND_SEC 1 573 574 /* recv timer def = 200ms */ 575 #define SCTP_RECV_MSEC 200 576 577 /* 30 seconds + RTO (in ms) */ 578 #define SCTP_HB_DEFAULT_MSEC 30000 579 580 /* Max time I will wait for Shutdown to complete */ 581 #define SCTP_DEF_MAX_SHUTDOWN_SEC 180 582 583 584 /* 585 * This is how long a secret lives, NOT how long a cookie lives how many 586 * ticks the current secret will live. 587 */ 588 #define SCTP_DEFAULT_SECRET_LIFE_SEC 3600 589 590 #define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */ 591 #define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ 592 #define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */ 593 #define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */ 594 595 596 #define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */ 597 #define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */ 598 599 #define SCTP_DEF_MAX_INIT 8 600 #define SCTP_DEF_MAX_SEND 10 601 #define SCTP_DEF_MAX_PATH_RTX 4 602 603 #define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */ 604 #define SCTP_DEF_PMTU_MIN 600 605 606 #define SCTP_MSEC_IN_A_SEC 1000 607 #define SCTP_USEC_IN_A_SEC 1000000 608 #define SCTP_NSEC_IN_A_SEC 1000000000 609 610 #define SCTP_MAX_OUTSTANDING_DG 10000 611 612 /* How many streams I request initally by default */ 613 #define SCTP_OSTREAM_INITIAL 10 614 615 /* 616 * How many smallest_mtu's need to increase before a window update sack is 617 * sent (should be a power of 2). 618 */ 619 #define SCTP_SEG_TO_RWND_UPD 32 620 /* Send window update (incr * this > hiwat). Should be a power of 2 */ 621 #define SCTP_SCALE_OF_RWND_TO_UPD 4 622 #define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */ 623 624 #define SCTP_ADDRMAX 20 625 626 /* SCTP DEBUG Switch parameters */ 627 #define SCTP_DEBUG_TIMER1 0x00000001 628 #define SCTP_DEBUG_TIMER2 0x00000002 629 #define SCTP_DEBUG_TIMER3 0x00000004 630 #define SCTP_DEBUG_TIMER4 0x00000008 631 #define SCTP_DEBUG_OUTPUT1 0x00000010 632 #define SCTP_DEBUG_OUTPUT2 0x00000020 633 #define SCTP_DEBUG_OUTPUT3 0x00000040 634 #define SCTP_DEBUG_OUTPUT4 0x00000080 635 #define SCTP_DEBUG_UTIL1 0x00000100 636 #define SCTP_DEBUG_UTIL2 0x00000200 637 #define SCTP_DEBUG_AUTH1 0x00000400 638 #define SCTP_DEBUG_AUTH2 0x00000800 639 #define SCTP_DEBUG_INPUT1 0x00001000 640 #define SCTP_DEBUG_INPUT2 0x00002000 641 #define SCTP_DEBUG_INPUT3 0x00004000 642 #define SCTP_DEBUG_INPUT4 0x00008000 643 #define SCTP_DEBUG_ASCONF1 0x00010000 644 #define SCTP_DEBUG_ASCONF2 0x00020000 645 #define SCTP_DEBUG_OUTPUT5 0x00040000 646 #define SCTP_DEBUG_XXX 0x00080000 647 #define SCTP_DEBUG_PCB1 0x00100000 648 #define SCTP_DEBUG_PCB2 0x00200000 649 #define SCTP_DEBUG_PCB3 0x00400000 650 #define SCTP_DEBUG_PCB4 0x00800000 651 #define SCTP_DEBUG_INDATA1 0x01000000 652 #define SCTP_DEBUG_INDATA2 0x02000000 653 #define SCTP_DEBUG_INDATA3 0x04000000 654 #define SCTP_DEBUG_INDATA4 0x08000000 655 #define SCTP_DEBUG_USRREQ1 0x10000000 656 #define SCTP_DEBUG_USRREQ2 0x20000000 657 #define SCTP_DEBUG_PEEL1 0x40000000 658 #define SCTP_DEBUG_XXXXX 0x80000000 659 #define SCTP_DEBUG_ALL 0x7ff3ffff 660 #define SCTP_DEBUG_NOISY 0x00040000 661 662 /* What sender needs to see to avoid SWS or we consider peers rwnd 0 */ 663 #define SCTP_SWS_SENDER_DEF 1420 664 665 /* 666 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1 667 * would be hiwat/2 etc. 668 */ 669 /* What receiver needs to see in sockbuf or we tell peer its 1 */ 670 #define SCTP_SWS_RECEIVER_DEF 3000 671 672 #define SCTP_INITIAL_CWND 4380 673 674 /* amount peer is obligated to have in rwnd or I will abort */ 675 #define SCTP_MIN_RWND 1500 676 677 #define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */ 678 #define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to My playing 679 * around suggests a value greater than 64k 680 * does not do much, I guess via the kernel 681 * limitations on the stream/socket. */ 682 683 /* I can handle a 1meg re-assembly */ 684 #define SCTP_DEFAULT_MAXMSGREASM 1048576 685 686 #define SCTP_DEFAULT_MAXSEGMENT 65535 687 688 #define SCTP_CHUNK_BUFFER_SIZE 2048 689 #define SCTP_PARAM_BUFFER_SIZE 512 690 691 #define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ 692 #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ 693 694 #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ 695 #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ 696 697 698 /* 699 * SCTP upper layer notifications 700 */ 701 #define SCTP_NOTIFY_ASSOC_UP 1 702 #define SCTP_NOTIFY_ASSOC_DOWN 2 703 #define SCTP_NOTIFY_INTERFACE_DOWN 3 704 #define SCTP_NOTIFY_INTERFACE_UP 4 705 #define SCTP_NOTIFY_DG_FAIL 5 706 #define SCTP_NOTIFY_STRDATA_ERR 6 707 #define SCTP_NOTIFY_ASSOC_ABORTED 7 708 #define SCTP_NOTIFY_PEER_OPENED_STREAM 8 709 #define SCTP_NOTIFY_STREAM_OPENED_OK 9 710 #define SCTP_NOTIFY_ASSOC_RESTART 10 711 #define SCTP_NOTIFY_HB_RESP 11 712 #define SCTP_NOTIFY_ASCONF_SUCCESS 12 713 #define SCTP_NOTIFY_ASCONF_FAILED 13 714 #define SCTP_NOTIFY_PEER_SHUTDOWN 14 715 #define SCTP_NOTIFY_ASCONF_ADD_IP 15 716 #define SCTP_NOTIFY_ASCONF_DELETE_IP 16 717 #define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17 718 #define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18 719 #define SCTP_NOTIFY_ADAPTATION_INDICATION 19 720 /* same as above */ 721 #define SCTP_NOTIFY_ADAPTION_INDICATION 19 722 #define SCTP_NOTIFY_INTERFACE_CONFIRMED 20 723 #define SCTP_NOTIFY_STR_RESET_RECV 21 724 #define SCTP_NOTIFY_STR_RESET_SEND 22 725 #define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23 726 #define SCTP_NOTIFY_STR_RESET_FAILED_IN 24 727 #define SCTP_NOTIFY_AUTH_NEW_KEY 25 728 #define SCTP_NOTIFY_AUTH_KEY_CONFLICT 26 729 #define SCTP_NOTIFY_SPECIAL_SP_FAIL 27 730 #define SCTP_NOTIFY_MAX 27 731 732 /* This is the value for messages that are NOT completely 733 * copied down where we will start to split the message. 734 * So, with our default, we split only if the piece we 735 * want to take will fill up a full MTU (assuming 736 * a 1500 byte MTU). 737 */ 738 #define SCTP_DEFAULT_SPLIT_POINT_MIN 1452 739 740 /* ABORT CODES and other tell-tale location 741 * codes are generated by adding the below 742 * to the instance id. 743 */ 744 745 /* File defines */ 746 #define SCTP_FROM_SCTP_INPUT 0x10000000 747 #define SCTP_FROM_SCTP_PCB 0x20000000 748 #define SCTP_FROM_SCTP_INDATA 0x30000000 749 #define SCTP_FROM_SCTP_TIMER 0x40000000 750 #define SCTP_FROM_SCTP_USRREQ 0x50000000 751 #define SCTP_FROM_SCTPUTIL 0x60000000 752 #define SCTP_FROM_SCTP6_USRREQ 0x70000000 753 #define SCTP_FROM_SCTP_ASCONF 0x80000000 754 #define SCTP_FROM_SCTP_OUTPUT 0x90000000 755 #define SCTP_FROM_SCTP_PEELOFF 0xa0000000 756 757 /* Location ID's */ 758 #define SCTP_LOC_1 0x00000001 759 #define SCTP_LOC_2 0x00000002 760 #define SCTP_LOC_3 0x00000003 761 #define SCTP_LOC_4 0x00000004 762 #define SCTP_LOC_5 0x00000005 763 #define SCTP_LOC_6 0x00000006 764 #define SCTP_LOC_7 0x00000007 765 #define SCTP_LOC_8 0x00000008 766 #define SCTP_LOC_9 0x00000009 767 #define SCTP_LOC_10 0x0000000a 768 #define SCTP_LOC_11 0x0000000b 769 #define SCTP_LOC_12 0x0000000c 770 #define SCTP_LOC_13 0x0000000d 771 #define SCTP_LOC_14 0x0000000e 772 #define SCTP_LOC_15 0x0000000f 773 #define SCTP_LOC_16 0x00000010 774 #define SCTP_LOC_17 0x00000011 775 #define SCTP_LOC_18 0x00000012 776 #define SCTP_LOC_19 0x00000013 777 #define SCTP_LOC_20 0x00000014 778 #define SCTP_LOC_21 0x00000015 779 #define SCTP_LOC_22 0x00000016 780 #define SCTP_LOC_23 0x00000017 781 #define SCTP_LOC_24 0x00000018 782 #define SCTP_LOC_25 0x00000019 783 #define SCTP_LOC_26 0x0000001a 784 #define SCTP_LOC_27 0x0000001b 785 #define SCTP_LOC_28 0x0000001c 786 #define SCTP_LOC_29 0x0000001d 787 #define SCTP_LOC_30 0x0000001e 788 #define SCTP_LOC_31 0x0000001f 789 #define SCTP_LOC_32 0x00000020 790 791 792 /* Free assoc codes */ 793 #define SCTP_NORMAL_PROC 0 794 #define SCTP_PCBFREE_NOFORCE 1 795 #define SCTP_PCBFREE_FORCE 2 796 797 /* From codes for adding addresses */ 798 #define SCTP_ADDR_IS_CONFIRMED 8 799 #define SCTP_ADDR_DYNAMIC_ADDED 6 800 #define SCTP_IN_COOKIE_PROC 100 801 #define SCTP_ALLOC_ASOC 1 802 #define SCTP_LOAD_ADDR_2 2 803 #define SCTP_LOAD_ADDR_3 3 804 #define SCTP_LOAD_ADDR_4 4 805 #define SCTP_LOAD_ADDR_5 5 806 807 #define SCTP_DONOT_SETSCOPE 0 808 #define SCTP_DO_SETSCOPE 1 809 810 811 /* This value determines the default for when 812 * we try to add more on the send queue., if 813 * there is room. This prevents us from cycling 814 * into the copy_resume routine to often if 815 * we have not got enough space to add a decent 816 * enough size message. Note that if we have enough 817 * space to complete the message copy we will always 818 * add to the message, no matter what the size. Its 819 * only when we reach the point that we have some left 820 * to add, there is only room for part of it that we 821 * will use this threshold. Its also a sysctl. 822 */ 823 #define SCTP_DEFAULT_ADD_MORE 1452 824 825 #ifndef SCTP_PCBHASHSIZE 826 /* default number of association hash buckets in each endpoint */ 827 #define SCTP_PCBHASHSIZE 256 828 #endif 829 #ifndef SCTP_TCBHASHSIZE 830 #define SCTP_TCBHASHSIZE 1024 831 #endif 832 833 #ifndef SCTP_CHUNKQUEUE_SCALE 834 #define SCTP_CHUNKQUEUE_SCALE 10 835 #endif 836 837 /* clock variance is 1 ms */ 838 #define SCTP_CLOCK_GRANULARITY 1 839 #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this 840 * detracts a small amount for ipv4 but it 841 * simplifies the ipv6 addition */ 842 843 #ifndef IPPROTO_SCTP 844 #define IPPROTO_SCTP 132 /* the Official IANA number :-) */ 845 #endif /* !IPPROTO_SCTP */ 846 847 #define SCTP_MAX_DATA_BUNDLING 256 848 #define SCTP_MAX_CONTROL_BUNDLING 20 849 850 /* modular comparison */ 851 /* True if a > b (mod = M) */ 852 #define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \ 853 ((b > a) && ((b - a) > ((M >> 1) + 1)))) 854 855 856 /* Mapping array manipulation routines */ 857 #define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01) 858 #define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07)))) 859 #define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff)) 860 861 862 /* 863 * This value defines the number of vtag block time wait entry's per list 864 * element. Each entry will take 2 4 byte ints (and of course the overhead 865 * of the next pointer as well). Using 15 as an example will yield * ((8 * 866 * 15) + 8) or 128 bytes of overhead for each timewait block that gets 867 * initialized. Increasing it to 31 would yeild 256 bytes per block. 868 */ 869 #define SCTP_NUMBER_IN_VTAG_BLOCK 15 870 /* 871 * If we use the STACK option, we have an array of this size head pointers. 872 * This array is mod'd the with the size to find which bucket and then all 873 * entries must be searched to see if the tag is in timed wait. If so we 874 * reject it. 875 */ 876 #define SCTP_STACK_VTAG_HASH_SIZE 31 877 878 /* 879 * If we use the per-endpoint model than we do not have a hash table of 880 * entries but instead have a single head pointer and we must crawl through 881 * the entire list. 882 */ 883 884 /* 885 * Number of seconds of time wait, tied to MSL value (2 minutes), so 2 * MSL 886 * = 4 minutes or 480 seconds. 887 */ 888 #define SCTP_TIME_WAIT 480 889 890 /* This time wait is the same as the default cookie life 891 * since we now enter a tag in every time we send a cookie. 892 * We want this shorter to avoid vtag depletion. 893 */ 894 #define SCTP_TIME_WAIT_SHORT 60 895 896 /* The system retains a cache of free chunks such to 897 * cut down on calls the memory allocation system. There 898 * is a per association limit of free items and a overall 899 * system limit. If either one gets hit then the resource 900 * stops being cached. 901 */ 902 903 #define SCTP_DEF_ASOC_RESC_LIMIT 10 904 #define SCTP_DEF_SYSTEM_RESC_LIMIT 1000 905 906 907 #define IN4_ISPRIVATE_ADDRESS(a) \ 908 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \ 909 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \ 910 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \ 911 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \ 912 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \ 913 (((uint8_t *)&(a)->s_addr)[1] == 168))) 914 915 #define IN4_ISLOOPBACK_ADDRESS(a) \ 916 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \ 917 (((uint8_t *)&(a)->s_addr)[1] == 0) && \ 918 (((uint8_t *)&(a)->s_addr)[2] == 0) && \ 919 (((uint8_t *)&(a)->s_addr)[3] == 1)) 920 921 922 #if defined(_KERNEL) 923 924 #define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x)) 925 #define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x)) 926 /*#if defined(__FreeBSD__) || defined(__APPLE__)*/ 927 /*#define SCTP_GETTIME_TIMEVAL(x) { \*/ 928 /* (x)->tv_sec = ticks / 1000; \*/ 929 /* (x)->tv_usec = (ticks % 1000) * 1000; \*/ 930 /*}*/ 931 932 /*#else*/ 933 /*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/ 934 /*#endif __FreeBSD__ */ 935 936 #define sctp_sowwakeup(inp, so) \ 937 do { \ 938 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 939 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 940 } else { \ 941 sowwakeup(so); \ 942 } \ 943 } while (0) 944 945 #define sctp_sowwakeup_locked(inp, so) \ 946 do { \ 947 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 948 SOCKBUF_UNLOCK(&((so)->so_snd)); \ 949 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \ 950 } else { \ 951 sowwakeup_locked(so); \ 952 } \ 953 } while (0) 954 955 #define sctp_sorwakeup(inp, so) \ 956 do { \ 957 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 958 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 959 } else { \ 960 sorwakeup(so); \ 961 } \ 962 } while (0) 963 964 #define sctp_sorwakeup_locked(inp, so) \ 965 do { \ 966 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \ 967 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \ 968 SOCKBUF_UNLOCK(&((so)->so_rcv)); \ 969 } else { \ 970 sorwakeup_locked(so); \ 971 } \ 972 } while (0) 973 974 #endif /* _KERNEL */ 975 #endif 976