2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * a) Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
14 * b) Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the distribution.
18 * c) Neither the name of Cisco Systems, Inc. nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #ifndef _NETINET_SCTP_CONSTANTS_H_
39 #define _NETINET_SCTP_CONSTANTS_H_
41 /* IANA assigned port number for SCTP over UDP encapsulation */
42 #define SCTP_OVER_UDP_TUNNELING_PORT 9899
44 /* Number of packets to get before sack sent by default */
45 #define SCTP_DEFAULT_SACK_FREQ 2
47 /* Address limit - This variable is calculated
48 * based on an 65535 byte max ip packet. We take out 100 bytes
49 * for the cookie, 40 bytes for a v6 header and 32
50 * bytes for the init structure. A second init structure
51 * for the init-ack and then finally a third one for the
52 * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes.
53 * This leaves 65299 bytes for addresses. We throw out the 299 bytes.
54 * Now whatever we send in the INIT() we need to allow to get back in the
55 * INIT-ACK plus all the values from INIT and INIT-ACK
56 * listed in the cookie. Plus we need some overhead for
57 * maybe copied parameters in the COOKIE. If we
58 * allow 1080 addresses, and each side has 1080 V6 addresses
59 * that will be 21600 bytes. In the INIT-ACK we will
60 * see the INIT-ACK 21600 + 43200 in the cookie. This leaves
61 * about 500 bytes slack for misc things in the cookie.
63 #define SCTP_ADDRESS_LIMIT 1080
65 /* We need at least 2k of space for us, inits
66 * larger than that lets abort.
68 #define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048)
70 /* Largest length of a chunk */
71 #define SCTP_MAX_CHUNK_LENGTH 0xffff
72 /* Largest length of an error cause */
73 #define SCTP_MAX_CAUSE_LENGTH 0xffff
74 /* Number of addresses where we just skip the counting */
75 #define SCTP_COUNT_LIMIT 40
77 #define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000)
78 #define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000)
80 /* Number of ticks to delay before running
81 * iterator on an address change.
83 #define SCTP_ADDRESS_TICK_DELAY 2
85 #define SCTP_VERSION_STRING "KAME-BSD 1.1"
86 /* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */
87 #define SCTP_AUDIT_SIZE 256
89 #define SCTP_KTRHEAD_NAME "sctp_iterator"
90 #define SCTP_KTHREAD_PAGES 0
92 #define SCTP_MCORE_NAME "sctp_core_worker"
94 /* If you support Multi-VRF how big to
95 * make the initial array of VRF's to.
97 #define SCTP_DEFAULT_VRF_SIZE 4
99 /* JRS - Values defined for the HTCP algorithm */
100 #define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
101 #define BETA_MIN (1<<6) /* 0.5 with shift << 7 */
102 #define BETA_MAX 102 /* 0.8 with shift << 7 */
104 /* Places that CWND log can happen from */
105 #define SCTP_CWND_LOG_FROM_FR 1
106 #define SCTP_CWND_LOG_FROM_RTX 2
107 #define SCTP_CWND_LOG_FROM_BRST 3
108 #define SCTP_CWND_LOG_FROM_SS 4
109 #define SCTP_CWND_LOG_FROM_CA 5
110 #define SCTP_CWND_LOG_FROM_SAT 6
111 #define SCTP_BLOCK_LOG_INTO_BLK 7
112 #define SCTP_BLOCK_LOG_OUTOF_BLK 8
113 #define SCTP_BLOCK_LOG_CHECK 9
114 #define SCTP_STR_LOG_FROM_INTO_STRD 10
115 #define SCTP_STR_LOG_FROM_IMMED_DEL 11
116 #define SCTP_STR_LOG_FROM_INSERT_HD 12
117 #define SCTP_STR_LOG_FROM_INSERT_MD 13
118 #define SCTP_STR_LOG_FROM_INSERT_TL 14
119 #define SCTP_STR_LOG_FROM_MARK_TSN 15
120 #define SCTP_STR_LOG_FROM_EXPRS_DEL 16
121 #define SCTP_FR_LOG_BIGGEST_TSNS 17
122 #define SCTP_FR_LOG_STRIKE_TEST 18
123 #define SCTP_FR_LOG_STRIKE_CHUNK 19
124 #define SCTP_FR_T3_TIMEOUT 20
125 #define SCTP_MAP_PREPARE_SLIDE 21
126 #define SCTP_MAP_SLIDE_FROM 22
127 #define SCTP_MAP_SLIDE_RESULT 23
128 #define SCTP_MAP_SLIDE_CLEARED 24
129 #define SCTP_MAP_SLIDE_NONE 25
130 #define SCTP_FR_T3_MARK_TIME 26
131 #define SCTP_FR_T3_MARKED 27
132 #define SCTP_FR_T3_STOPPED 28
133 #define SCTP_FR_MARKED 30
134 #define SCTP_CWND_LOG_NOADV_SS 31
135 #define SCTP_CWND_LOG_NOADV_CA 32
136 #define SCTP_MAX_BURST_APPLIED 33
137 #define SCTP_MAX_IFP_APPLIED 34
138 #define SCTP_MAX_BURST_ERROR_STOP 35
139 #define SCTP_INCREASE_PEER_RWND 36
140 #define SCTP_DECREASE_PEER_RWND 37
141 #define SCTP_SET_PEER_RWND_VIA_SACK 38
142 #define SCTP_LOG_MBCNT_INCREASE 39
143 #define SCTP_LOG_MBCNT_DECREASE 40
144 #define SCTP_LOG_MBCNT_CHKSET 41
145 #define SCTP_LOG_NEW_SACK 42
146 #define SCTP_LOG_TSN_ACKED 43
147 #define SCTP_LOG_TSN_REVOKED 44
148 #define SCTP_LOG_LOCK_TCB 45
149 #define SCTP_LOG_LOCK_INP 46
150 #define SCTP_LOG_LOCK_SOCK 47
151 #define SCTP_LOG_LOCK_SOCKBUF_R 48
152 #define SCTP_LOG_LOCK_SOCKBUF_S 49
153 #define SCTP_LOG_LOCK_CREATE 50
154 #define SCTP_LOG_INITIAL_RTT 51
155 #define SCTP_LOG_RTTVAR 52
156 #define SCTP_LOG_SBALLOC 53
157 #define SCTP_LOG_SBFREE 54
158 #define SCTP_LOG_SBRESULT 55
159 #define SCTP_FR_DUPED 56
160 #define SCTP_FR_MARKED_EARLY 57
161 #define SCTP_FR_CWND_REPORT 58
162 #define SCTP_FR_CWND_REPORT_START 59
163 #define SCTP_FR_CWND_REPORT_STOP 60
164 #define SCTP_CWND_LOG_FROM_SEND 61
165 #define SCTP_CWND_INITIALIZATION 62
166 #define SCTP_CWND_LOG_FROM_T3 63
167 #define SCTP_CWND_LOG_FROM_SACK 64
168 #define SCTP_CWND_LOG_NO_CUMACK 65
169 #define SCTP_CWND_LOG_FROM_RESEND 66
170 #define SCTP_FR_LOG_CHECK_STRIKE 67
171 #define SCTP_SEND_NOW_COMPLETES 68
172 #define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69
173 #define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70
174 #define SCTP_LOG_FREE_SENT 71
175 #define SCTP_NAGLE_APPLIED 72
176 #define SCTP_NAGLE_SKIPPED 73
177 #define SCTP_WAKESND_FROM_SACK 74
178 #define SCTP_WAKESND_FROM_FWDTSN 75
179 #define SCTP_NOWAKE_FROM_SACK 76
180 #define SCTP_CWNDLOG_PRESEND 77
181 #define SCTP_CWNDLOG_ENDSEND 78
182 #define SCTP_AT_END_OF_SACK 79
183 #define SCTP_REASON_FOR_SC 80
184 #define SCTP_BLOCK_LOG_INTO_BLKA 81
185 #define SCTP_ENTER_USER_RECV 82
186 #define SCTP_USER_RECV_SACKS 83
187 #define SCTP_SORECV_BLOCKSA 84
188 #define SCTP_SORECV_BLOCKSB 85
189 #define SCTP_SORECV_DONE 86
190 #define SCTP_SACK_RWND_UPDATE 87
191 #define SCTP_SORECV_ENTER 88
192 #define SCTP_SORECV_ENTERPL 89
193 #define SCTP_MBUF_INPUT 90
194 #define SCTP_MBUF_IALLOC 91
195 #define SCTP_MBUF_IFREE 92
196 #define SCTP_MBUF_ICOPY 93
197 #define SCTP_MBUF_SPLIT 94
198 #define SCTP_SORCV_FREECTL 95
199 #define SCTP_SORCV_DOESCPY 96
200 #define SCTP_SORCV_DOESLCK 97
201 #define SCTP_SORCV_DOESADJ 98
202 #define SCTP_SORCV_BOTWHILE 99
203 #define SCTP_SORCV_PASSBF 100
204 #define SCTP_SORCV_ADJD 101
205 #define SCTP_UNKNOWN_MAX 102
206 #define SCTP_RANDY_STUFF 103
207 #define SCTP_RANDY_STUFF1 104
208 #define SCTP_STRMOUT_LOG_ASSIGN 105
209 #define SCTP_STRMOUT_LOG_SEND 106
210 #define SCTP_FLIGHT_LOG_DOWN_CA 107
211 #define SCTP_FLIGHT_LOG_UP 108
212 #define SCTP_FLIGHT_LOG_DOWN_GAP 109
213 #define SCTP_FLIGHT_LOG_DOWN_RSND 110
214 #define SCTP_FLIGHT_LOG_UP_RSND 111
215 #define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112
216 #define SCTP_FLIGHT_LOG_DOWN_WP 113
217 #define SCTP_FLIGHT_LOG_UP_REVOKE 114
218 #define SCTP_FLIGHT_LOG_DOWN_PDRP 115
219 #define SCTP_FLIGHT_LOG_DOWN_PMTU 116
220 #define SCTP_SACK_LOG_NORMAL 117
221 #define SCTP_SACK_LOG_EXPRESS 118
222 #define SCTP_MAP_TSN_ENTERS 119
223 #define SCTP_THRESHOLD_CLEAR 120
224 #define SCTP_THRESHOLD_INCR 121
225 #define SCTP_FLIGHT_LOG_DWN_WP_FWD 122
226 #define SCTP_FWD_TSN_CHECK 123
227 #define SCTP_LOG_MAX_TYPES 124
229 * To turn on various logging, you must first enable 'options KTR' and
230 * you might want to bump the entires 'options KTR_ENTRIES=80000'.
231 * To get something to log you define one of the logging defines.
234 * This gets the compile in place, but you still need to turn the
235 * logging flag on too in the sysctl (see in sctp.h).
238 #define SCTP_LOG_EVENT_UNKNOWN 0
239 #define SCTP_LOG_EVENT_CWND 1
240 #define SCTP_LOG_EVENT_BLOCK 2
241 #define SCTP_LOG_EVENT_STRM 3
242 #define SCTP_LOG_EVENT_FR 4
243 #define SCTP_LOG_EVENT_MAP 5
244 #define SCTP_LOG_EVENT_MAXBURST 6
245 #define SCTP_LOG_EVENT_RWND 7
246 #define SCTP_LOG_EVENT_MBCNT 8
247 #define SCTP_LOG_EVENT_SACK 9
248 #define SCTP_LOG_LOCK_EVENT 10
249 #define SCTP_LOG_EVENT_RTT 11
250 #define SCTP_LOG_EVENT_SB 12
251 #define SCTP_LOG_EVENT_NAGLE 13
252 #define SCTP_LOG_EVENT_WAKE 14
253 #define SCTP_LOG_MISC_EVENT 15
254 #define SCTP_LOG_EVENT_CLOSE 16
255 #define SCTP_LOG_EVENT_MBUF 17
256 #define SCTP_LOG_CHUNK_PROC 18
257 #define SCTP_LOG_ERROR_RET 19
259 #define SCTP_LOG_MAX_EVENT 20
261 #define SCTP_LOCK_UNKNOWN 2
263 /* number of associations by default for zone allocation */
264 #define SCTP_MAX_NUM_OF_ASOC 40000
265 /* how many addresses per assoc remote and local */
266 #define SCTP_SCALE_FOR_ADDR 2
268 /* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */
269 #define SCTP_DEFAULT_MULTIPLE_ASCONFS 0
272 * Threshold for rwnd updates, we have to read (sb_hiwat >>
273 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a
274 * window update sack. When we look, we compare the last rwnd we sent vs the
275 * current rwnd. It too must be greater than this value. Using 3 divdes the
276 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need
277 * to read 8k. This seems about right.. I hope :-D.. we do set a
278 * min of a MTU on it so if the rwnd is real small we will insist
279 * on a full MTU of 1500 bytes.
281 #define SCTP_RWND_HIWAT_SHIFT 3
283 /* How much of the rwnd must the
284 * message be taking up to start partial delivery.
285 * We calculate this by shifing the hi_water (recv_win)
286 * left the following .. set to 1, when a message holds
287 * 1/2 the rwnd. If we set it to 2 when a message holds
288 * 1/4 the rwnd...etc..
291 #define SCTP_PARTIAL_DELIVERY_SHIFT 1
294 * default HMAC for cookies, etc... use one of the AUTH HMAC id's
295 * SCTP_HMAC is the HMAC_ID to use
296 * SCTP_SIGNATURE_SIZE is the digest length
298 #define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1
299 #define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1
300 #define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE
303 * the SCTP protocol signature this includes the version number encoded in
304 * the last 4 bits of the signature.
306 #define PROTO_SIGNATURE_A 0x30000000
307 #define SCTP_VERSION_NUMBER 0x3
309 #define MAX_TSN 0xffffffff
311 /* how many executions every N tick's */
312 #define SCTP_ITERATOR_MAX_AT_ONCE 20
314 /* number of clock ticks between iterator executions */
315 #define SCTP_ITERATOR_TICKS 1
318 * option: If you comment out the following you will receive the old behavior
319 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR
320 * happens right away with-out waiting for the flightsize to drop below the
321 * cwnd value (which is reduced by the FR to 1/2 the inflight packets).
323 #define SCTP_IGNORE_CWND_ON_FR 1
326 * Adds implementors guide behavior to only use newest highest update in SACK
327 * gap ack's to figure out if you need to stroke a chunk for FR.
329 #define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
331 /* default max I can burst out after a fast retransmit, 0 disables it */
332 #define SCTP_DEF_MAX_BURST 4
333 #define SCTP_DEF_HBMAX_BURST 4
334 #define SCTP_DEF_FRMAX_BURST 4
336 /* RTO calculation flag to say if it
337 * is safe to determine local lan or not.
339 #define SCTP_RTT_FROM_NON_DATA 0
340 #define SCTP_RTT_FROM_DATA 1
342 #define PR_SCTP_UNORDERED_FLAG 0x0001
344 /* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */
345 #define SCTP_FIRST_MBUF_RESV 68
346 /* Packet transmit states in the sent field */
347 #define SCTP_DATAGRAM_UNSENT 0
348 #define SCTP_DATAGRAM_SENT 1
349 #define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may
351 #define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
353 #define SCTP_DATAGRAM_RESEND 4
354 #define SCTP_DATAGRAM_ACKED 10010
355 #define SCTP_DATAGRAM_MARKED 20010
356 #define SCTP_FORWARD_TSN_SKIP 30010
357 #define SCTP_DATAGRAM_NR_ACKED 40010
359 /* chunk output send from locations */
360 #define SCTP_OUTPUT_FROM_USR_SEND 0
361 #define SCTP_OUTPUT_FROM_T3 1
362 #define SCTP_OUTPUT_FROM_INPUT_ERROR 2
363 #define SCTP_OUTPUT_FROM_CONTROL_PROC 3
364 #define SCTP_OUTPUT_FROM_SACK_TMR 4
365 #define SCTP_OUTPUT_FROM_SHUT_TMR 5
366 #define SCTP_OUTPUT_FROM_HB_TMR 6
367 #define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7
368 #define SCTP_OUTPUT_FROM_ASCONF_TMR 8
369 #define SCTP_OUTPUT_FROM_STRRST_TMR 9
370 #define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10
371 #define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11
372 #define SCTP_OUTPUT_FROM_STRRST_REQ 12
373 #define SCTP_OUTPUT_FROM_USR_RCVD 13
374 #define SCTP_OUTPUT_FROM_COOKIE_ACK 14
375 #define SCTP_OUTPUT_FROM_DRAIN 15
376 #define SCTP_OUTPUT_FROM_CLOSING 16
377 #define SCTP_OUTPUT_FROM_SOCKOPT 17
379 /* SCTP chunk types are moved sctp.h for application (NAT, FW) use */
381 /* align to 32-bit sizes */
382 #define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2)
384 #define IS_SCTP_CONTROL(a) (((a)->chunk_type != SCTP_DATA) && ((a)->chunk_type != SCTP_IDATA))
385 #define IS_SCTP_DATA(a) (((a)->chunk_type == SCTP_DATA) || ((a)->chunk_type == SCTP_IDATA))
387 /* SCTP parameter types */
388 /*************0x0000 series*************/
389 #define SCTP_HEARTBEAT_INFO 0x0001
390 #define SCTP_IPV4_ADDRESS 0x0005
391 #define SCTP_IPV6_ADDRESS 0x0006
392 #define SCTP_STATE_COOKIE 0x0007
393 #define SCTP_UNRECOG_PARAM 0x0008
394 #define SCTP_COOKIE_PRESERVE 0x0009
395 #define SCTP_HOSTNAME_ADDRESS 0x000b
396 #define SCTP_SUPPORTED_ADDRTYPE 0x000c
399 #define SCTP_STR_RESET_OUT_REQUEST 0x000d
400 #define SCTP_STR_RESET_IN_REQUEST 0x000e
401 #define SCTP_STR_RESET_TSN_REQUEST 0x000f
402 #define SCTP_STR_RESET_RESPONSE 0x0010
403 #define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011
404 #define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012
406 #define SCTP_MAX_RESET_PARAMS 2
407 #define SCTP_STREAM_RESET_TSN_DELTA 0x1000
409 /*************0x4000 series*************/
411 /*************0x8000 series*************/
412 #define SCTP_ECN_CAPABLE 0x8000
415 #define SCTP_RANDOM 0x8002
416 #define SCTP_CHUNK_LIST 0x8003
417 #define SCTP_HMAC_LIST 0x8004
419 #define SCTP_PAD 0x8005
421 #define SCTP_SUPPORTED_CHUNK_EXT 0x8008
423 /*************0xC000 series*************/
424 #define SCTP_PRSCTP_SUPPORTED 0xc000
426 #define SCTP_ADD_IP_ADDRESS 0xc001
427 #define SCTP_DEL_IP_ADDRESS 0xc002
428 #define SCTP_ERROR_CAUSE_IND 0xc003
429 #define SCTP_SET_PRIM_ADDR 0xc004
430 #define SCTP_SUCCESS_REPORT 0xc005
431 #define SCTP_ULP_ADAPTATION 0xc006
432 /* behave-nat-draft */
433 #define SCTP_HAS_NAT_SUPPORT 0xc007
434 #define SCTP_NAT_VTAGS 0xc008
436 /* bits for TOS field */
437 #define SCTP_ECT0_BIT 0x02
438 #define SCTP_ECT1_BIT 0x01
439 #define SCTP_CE_BITS 0x03
441 /* below turns off above */
442 #define SCTP_FLEXIBLE_ADDRESS 0x20
443 #define SCTP_NO_HEARTBEAT 0x40
445 /* mask to get sticky */
446 #define SCTP_STICKY_OPTIONS_MASK 0x0c
449 * SCTP states for internal state machine
451 #define SCTP_STATE_EMPTY 0x0000
452 #define SCTP_STATE_INUSE 0x0001
453 #define SCTP_STATE_COOKIE_WAIT 0x0002
454 #define SCTP_STATE_COOKIE_ECHOED 0x0004
455 #define SCTP_STATE_OPEN 0x0008
456 #define SCTP_STATE_SHUTDOWN_SENT 0x0010
457 #define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
458 #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
459 #define SCTP_STATE_SHUTDOWN_PENDING 0x0080
460 #define SCTP_STATE_CLOSED_SOCKET 0x0100
461 #define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200
462 #define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400
463 #define SCTP_STATE_WAS_ABORTED 0x0800
464 #define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000
465 #define SCTP_STATE_MASK 0x007f
467 #define SCTP_GET_STATE(_stcb) \
468 ((_stcb)->asoc.state & SCTP_STATE_MASK)
469 #define SCTP_SET_STATE(_stcb, _state) \
470 sctp_set_state(_stcb, _state)
471 #define SCTP_CLEAR_SUBSTATE(_stcb, _substate) \
472 (_stcb)->asoc.state &= ~(_substate)
473 #define SCTP_ADD_SUBSTATE(_stcb, _substate) \
474 sctp_add_substate(_stcb, _substate)
476 /* SCTP reachability state for each address */
477 #define SCTP_ADDR_REACHABLE 0x001
478 #define SCTP_ADDR_NO_PMTUD 0x002
479 #define SCTP_ADDR_NOHB 0x004
480 #define SCTP_ADDR_BEING_DELETED 0x008
481 #define SCTP_ADDR_NOT_IN_ASSOC 0x010
482 #define SCTP_ADDR_OUT_OF_SCOPE 0x080
483 #define SCTP_ADDR_UNCONFIRMED 0x200
484 #define SCTP_ADDR_REQ_PRIMARY 0x400
485 /* JRS 5/13/07 - Added potentially failed state for CMT PF */
486 #define SCTP_ADDR_PF 0x800
488 /* bound address types (e.g. valid address types to allow) */
489 #define SCTP_BOUND_V6 0x01
490 #define SCTP_BOUND_V4 0x02
493 * what is the default number of mbufs in a chain I allow before switching to
496 #define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
498 /* How long a cookie lives in milli-seconds */
499 #define SCTP_DEFAULT_COOKIE_LIFE 60000
501 /* Maximum the mapping array will grow to (TSN mapping array) */
502 #define SCTP_MAPPING_ARRAY 512
504 /* size of the initial malloc on the mapping array */
505 #define SCTP_INITIAL_MAPPING_ARRAY 16
506 /* how much we grow the mapping array each call */
507 #define SCTP_MAPPING_ARRAY_INCR 32
510 * Here we define the timer types used by the implementation as arguments in
511 * the set/get timer type calls.
513 #define SCTP_TIMER_INIT 0
514 #define SCTP_TIMER_RECV 1
515 #define SCTP_TIMER_SEND 2
516 #define SCTP_TIMER_HEARTBEAT 3
517 #define SCTP_TIMER_PMTU 4
518 #define SCTP_TIMER_MAXSHUTDOWN 5
519 #define SCTP_TIMER_SIGNATURE 6
521 * number of timer types in the base SCTP structure used in the set/get and
522 * has the base default.
524 #define SCTP_NUM_TMRS 7
527 #define SCTP_TIMER_TYPE_NONE 0
528 #define SCTP_TIMER_TYPE_SEND 1
529 #define SCTP_TIMER_TYPE_INIT 2
530 #define SCTP_TIMER_TYPE_RECV 3
531 #define SCTP_TIMER_TYPE_SHUTDOWN 4
532 #define SCTP_TIMER_TYPE_HEARTBEAT 5
533 #define SCTP_TIMER_TYPE_COOKIE 6
534 #define SCTP_TIMER_TYPE_NEWCOOKIE 7
535 #define SCTP_TIMER_TYPE_PATHMTURAISE 8
536 #define SCTP_TIMER_TYPE_SHUTDOWNACK 9
537 #define SCTP_TIMER_TYPE_ASCONF 10
538 #define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
539 #define SCTP_TIMER_TYPE_AUTOCLOSE 12
540 #define SCTP_TIMER_TYPE_STRRESET 13
541 #define SCTP_TIMER_TYPE_INPKILL 14
542 #define SCTP_TIMER_TYPE_ASOCKILL 15
543 #define SCTP_TIMER_TYPE_ADDR_WQ 16
544 #define SCTP_TIMER_TYPE_PRIM_DELETED 17
545 /* add new timers here - and increment LAST */
546 #define SCTP_TIMER_TYPE_LAST 18
548 #define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
549 ((t) < SCTP_TIMER_TYPE_LAST))
551 /* max number of TSN's dup'd that I will hold */
552 #define SCTP_MAX_DUP_TSNS 20
555 * Here we define the types used when setting the retry amounts.
557 /* How many drop re-attempts we make on INIT/COOKIE-ECHO */
558 #define SCTP_RETRY_DROPPED_THRESH 4
561 * Maxmium number of chunks a single association can have on it. Note that
562 * this is a squishy number since the count can run over this if the user
563 * sends a large message down .. the fragmented chunks don't count until
564 * AFTER the message is on queue.. it would be the next send that blocks
565 * things. This number will get tuned up at boot in the sctp_init and use the
566 * number of clusters as a base. This way high bandwidth environments will
567 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks
569 #define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
572 * Basically the minimum amount of time before I do a early FR. Making this
573 * value to low will cause duplicate retransmissions.
575 #define SCTP_MINFR_MSEC_TIMER 250
576 /* The floor this value is allowed to fall to when starting a timer. */
577 #define SCTP_MINFR_MSEC_FLOOR 20
579 /* init timer def = 1 sec */
580 #define SCTP_INIT_SEC 1
582 /* send timer def = 1 seconds */
583 #define SCTP_SEND_SEC 1
585 /* recv timer def = 200ms */
586 #define SCTP_RECV_MSEC 200
588 /* 30 seconds + RTO (in ms) */
589 #define SCTP_HB_DEFAULT_MSEC 30000
592 * This is how long a secret lives, NOT how long a cookie lives how many
593 * ticks the current secret will live.
595 #define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
597 #define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
598 #define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */
599 #define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
601 #define SCTP_INP_KILL_TIMEOUT 20 /* number of ms to retry kill of inpcb */
602 #define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */
604 #define SCTP_DEF_MAX_INIT 8
605 #define SCTP_DEF_MAX_SEND 10
606 #define SCTP_DEF_MAX_PATH_RTX 5
607 #define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX
609 #define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
611 /* How many streams I request initially by default */
612 #define SCTP_OSTREAM_INITIAL 10
613 #define SCTP_ISTREAM_INITIAL 2048
616 * How many smallest_mtu's need to increase before a window update sack is
617 * sent (should be a power of 2).
619 /* Send window update (incr * this > hiwat). Should be a power of 2 */
620 #define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
622 #define SCTP_ADDRMAX 16
624 /* SCTP DEBUG Switch parameters */
625 #define SCTP_DEBUG_TIMER1 0x00000001
626 #define SCTP_DEBUG_TIMER2 0x00000002 /* unused */
627 #define SCTP_DEBUG_TIMER3 0x00000004 /* unused */
628 #define SCTP_DEBUG_TIMER4 0x00000008
629 #define SCTP_DEBUG_OUTPUT1 0x00000010
630 #define SCTP_DEBUG_OUTPUT2 0x00000020
631 #define SCTP_DEBUG_OUTPUT3 0x00000040
632 #define SCTP_DEBUG_OUTPUT4 0x00000080
633 #define SCTP_DEBUG_UTIL1 0x00000100
634 #define SCTP_DEBUG_UTIL2 0x00000200 /* unused */
635 #define SCTP_DEBUG_AUTH1 0x00000400
636 #define SCTP_DEBUG_AUTH2 0x00000800 /* unused */
637 #define SCTP_DEBUG_INPUT1 0x00001000
638 #define SCTP_DEBUG_INPUT2 0x00002000
639 #define SCTP_DEBUG_INPUT3 0x00004000
640 #define SCTP_DEBUG_INPUT4 0x00008000 /* unused */
641 #define SCTP_DEBUG_ASCONF1 0x00010000
642 #define SCTP_DEBUG_ASCONF2 0x00020000
643 #define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */
644 #define SCTP_DEBUG_XXX 0x00080000 /* unused */
645 #define SCTP_DEBUG_PCB1 0x00100000
646 #define SCTP_DEBUG_PCB2 0x00200000 /* unused */
647 #define SCTP_DEBUG_PCB3 0x00400000
648 #define SCTP_DEBUG_PCB4 0x00800000
649 #define SCTP_DEBUG_INDATA1 0x01000000
650 #define SCTP_DEBUG_INDATA2 0x02000000 /* unused */
651 #define SCTP_DEBUG_INDATA3 0x04000000 /* unused */
652 #define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */
653 #define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */
654 #define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */
655 #define SCTP_DEBUG_PEEL1 0x40000000
656 #define SCTP_DEBUG_XXXXX 0x80000000 /* unused */
657 #define SCTP_DEBUG_ALL 0x7ff3ffff
658 #define SCTP_DEBUG_NOISY 0x00040000
660 /* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
661 #define SCTP_SWS_SENDER_DEF 1420
664 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1
665 * would be hiwat/2 etc.
667 /* What receiver needs to see in sockbuf or we tell peer its 1 */
668 #define SCTP_SWS_RECEIVER_DEF 3000
670 #define SCTP_INITIAL_CWND 4380
672 #define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */
673 /* amount peer is obligated to have in rwnd or I will abort */
674 #define SCTP_MIN_RWND 1500
676 #define SCTP_DEFAULT_MAXSEGMENT 65535
678 #define SCTP_CHUNK_BUFFER_SIZE 512
679 #define SCTP_PARAM_BUFFER_SIZE 512
681 /* small chunk store for looking at chunk_list in auth */
682 #define SCTP_SMALL_CHUNK_STORE 260
684 #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
686 #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
687 #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
690 * SCTP upper layer notifications
692 #define SCTP_NOTIFY_ASSOC_UP 1
693 #define SCTP_NOTIFY_ASSOC_DOWN 2
694 #define SCTP_NOTIFY_INTERFACE_DOWN 3
695 #define SCTP_NOTIFY_INTERFACE_UP 4
696 #define SCTP_NOTIFY_SENT_DG_FAIL 5
697 #define SCTP_NOTIFY_UNSENT_DG_FAIL 6
698 #define SCTP_NOTIFY_SPECIAL_SP_FAIL 7
699 #define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8
700 #define SCTP_NOTIFY_ASSOC_REM_ABORTED 9
701 #define SCTP_NOTIFY_ASSOC_RESTART 10
702 #define SCTP_NOTIFY_PEER_SHUTDOWN 11
703 #define SCTP_NOTIFY_ASCONF_ADD_IP 12
704 #define SCTP_NOTIFY_ASCONF_DELETE_IP 13
705 #define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14
706 #define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15
707 #define SCTP_NOTIFY_INTERFACE_CONFIRMED 16
708 #define SCTP_NOTIFY_STR_RESET_RECV 17
709 #define SCTP_NOTIFY_STR_RESET_SEND 18
710 #define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19
711 #define SCTP_NOTIFY_STR_RESET_FAILED_IN 20
712 #define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21
713 #define SCTP_NOTIFY_STR_RESET_DENIED_IN 22
714 #define SCTP_NOTIFY_AUTH_NEW_KEY 23
715 #define SCTP_NOTIFY_AUTH_FREE_KEY 24
716 #define SCTP_NOTIFY_NO_PEER_AUTH 25
717 #define SCTP_NOTIFY_SENDER_DRY 26
718 #define SCTP_NOTIFY_REMOTE_ERROR 27
720 /* This is the value for messages that are NOT completely
721 * copied down where we will start to split the message.
722 * So, with our default, we split only if the piece we
723 * want to take will fill up a full MTU (assuming
726 #define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
728 /* Maximum length of diagnostic information in error causes */
729 #define SCTP_DIAG_INFO_LEN 128
731 /* ABORT CODES and other tell-tale location
732 * codes are generated by adding the below
733 * to the instance id.
737 #define SCTP_FROM_SCTP_INPUT 0x10000000
738 #define SCTP_FROM_SCTP_PCB 0x20000000
739 #define SCTP_FROM_SCTP_INDATA 0x30000000
740 #define SCTP_FROM_SCTP_TIMER 0x40000000
741 #define SCTP_FROM_SCTP_USRREQ 0x50000000
742 #define SCTP_FROM_SCTPUTIL 0x60000000
743 #define SCTP_FROM_SCTP6_USRREQ 0x70000000
744 #define SCTP_FROM_SCTP_ASCONF 0x80000000
745 #define SCTP_FROM_SCTP_OUTPUT 0x90000000
746 #define SCTP_FROM_SCTP_PEELOFF 0xa0000000
747 #define SCTP_FROM_SCTP_SYSCTL 0xb0000000
748 #define SCTP_FROM_SCTP_CC_FUNCTIONS 0xc0000000
751 #define SCTP_LOC_1 0x00000001
752 #define SCTP_LOC_2 0x00000002
753 #define SCTP_LOC_3 0x00000003
754 #define SCTP_LOC_4 0x00000004
755 #define SCTP_LOC_5 0x00000005
756 #define SCTP_LOC_6 0x00000006
757 #define SCTP_LOC_7 0x00000007
758 #define SCTP_LOC_8 0x00000008
759 #define SCTP_LOC_9 0x00000009
760 #define SCTP_LOC_10 0x0000000a
761 #define SCTP_LOC_11 0x0000000b
762 #define SCTP_LOC_12 0x0000000c
763 #define SCTP_LOC_13 0x0000000d
764 #define SCTP_LOC_14 0x0000000e
765 #define SCTP_LOC_15 0x0000000f
766 #define SCTP_LOC_16 0x00000010
767 #define SCTP_LOC_17 0x00000011
768 #define SCTP_LOC_18 0x00000012
769 #define SCTP_LOC_19 0x00000013
770 #define SCTP_LOC_20 0x00000014
771 #define SCTP_LOC_21 0x00000015
772 #define SCTP_LOC_22 0x00000016
773 #define SCTP_LOC_23 0x00000017
774 #define SCTP_LOC_24 0x00000018
775 #define SCTP_LOC_25 0x00000019
776 #define SCTP_LOC_26 0x0000001a
777 #define SCTP_LOC_27 0x0000001b
778 #define SCTP_LOC_28 0x0000001c
779 #define SCTP_LOC_29 0x0000001d
780 #define SCTP_LOC_30 0x0000001e
781 #define SCTP_LOC_31 0x0000001f
782 #define SCTP_LOC_32 0x00000020
783 #define SCTP_LOC_33 0x00000021
784 #define SCTP_LOC_34 0x00000022
785 #define SCTP_LOC_35 0x00000023
786 #define SCTP_LOC_36 0x00000024
787 #define SCTP_LOC_37 0x00000025
789 /* Free assoc codes */
790 #define SCTP_NORMAL_PROC 0
791 #define SCTP_PCBFREE_NOFORCE 1
792 #define SCTP_PCBFREE_FORCE 2
794 /* From codes for adding addresses */
795 #define SCTP_ADDR_IS_CONFIRMED 8
796 #define SCTP_ADDR_DYNAMIC_ADDED 6
797 #define SCTP_IN_COOKIE_PROC 100
798 #define SCTP_ALLOC_ASOC 1
799 #define SCTP_LOAD_ADDR_2 2
800 #define SCTP_LOAD_ADDR_3 3
801 #define SCTP_LOAD_ADDR_4 4
802 #define SCTP_LOAD_ADDR_5 5
804 #define SCTP_DONOT_SETSCOPE 0
805 #define SCTP_DO_SETSCOPE 1
807 /* This value determines the default for when
808 * we try to add more on the send queue., if
809 * there is room. This prevents us from cycling
810 * into the copy_resume routine to often if
811 * we have not got enough space to add a decent
812 * enough size message. Note that if we have enough
813 * space to complete the message copy we will always
814 * add to the message, no matter what the size. Its
815 * only when we reach the point that we have some left
816 * to add, there is only room for part of it that we
817 * will use this threshold. Its also a sysctl.
819 #define SCTP_DEFAULT_ADD_MORE 1452
821 #ifndef SCTP_PCBHASHSIZE
822 /* default number of association hash buckets in each endpoint */
823 #define SCTP_PCBHASHSIZE 256
825 #ifndef SCTP_TCBHASHSIZE
826 #define SCTP_TCBHASHSIZE 1024
829 #ifndef SCTP_CHUNKQUEUE_SCALE
830 #define SCTP_CHUNKQUEUE_SCALE 10
833 /* clock variance is 1 ms */
834 #define SCTP_CLOCK_GRANULARITY 1
835 #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this
836 * detracts a small amount for ipv4 but it
837 * simplifies the ipv6 addition */
839 /* Argument magic number for sctp_inpcb_free() */
842 #define SCTP_CALLED_DIRECTLY_NOCMPSET 0
843 #define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
844 #define SCTP_CALLED_FROM_INPKILL_TIMER 2
845 /* second argument */
846 #define SCTP_FREE_SHOULD_USE_ABORT 1
847 #define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
850 #define IPPROTO_SCTP 132 /* the Official IANA number :-) */
851 #endif /* !IPPROTO_SCTP */
853 #define SCTP_MAX_DATA_BUNDLING 256
855 /* modular comparison */
856 /* See RFC 1982 for details. */
857 #define SCTP_UINT16_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \
858 ((a > b) && ((uint16_t)(a - b) < (1U<<15))))
859 #define SCTP_UINT16_GE(a, b) (SCTP_UINT16_GT(a, b) || (a == b))
860 #define SCTP_UINT32_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \
861 ((a > b) && ((uint32_t)(a - b) < (1U<<31))))
862 #define SCTP_UINT32_GE(a, b) (SCTP_UINT32_GT(a, b) || (a == b))
864 #define SCTP_SSN_GT(a, b) SCTP_UINT16_GT(a, b)
865 #define SCTP_SSN_GE(a, b) SCTP_UINT16_GE(a, b)
866 #define SCTP_TSN_GT(a, b) SCTP_UINT32_GT(a, b)
867 #define SCTP_TSN_GE(a, b) SCTP_UINT32_GE(a, b)
868 #define SCTP_MID_GT(i, a, b) (((i) == 1) ? SCTP_UINT32_GT(a, b) : SCTP_UINT16_GT((uint16_t)a, (uint16_t)b))
869 #define SCTP_MID_GE(i, a, b) (((i) == 1) ? SCTP_UINT32_GE(a, b) : SCTP_UINT16_GE((uint16_t)a, (uint16_t)b))
870 #define SCTP_MID_EQ(i, a, b) (((i) == 1) ? a == b : (uint16_t)a == (uint16_t)b)
872 /* Mapping array manipulation routines */
873 #define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
874 #define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
875 #define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
876 #define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \
877 if (tsn >= mapping_tsn) { \
878 gap = tsn - mapping_tsn; \
880 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \
884 #define SCTP_RETRAN_DONE -1
885 #define SCTP_RETRAN_EXIT -2
888 * This value defines the number of vtag block time wait entry's per list
889 * element. Each entry will take 2 4 byte ints (and of course the overhead
890 * of the next pointer as well). Using 15 as an example will yield * ((8 *
891 * 15) + 8) or 128 bytes of overhead for each timewait block that gets
892 * initialized. Increasing it to 31 would yield 256 bytes per block.
894 #define SCTP_NUMBER_IN_VTAG_BLOCK 15
896 * If we use the STACK option, we have an array of this size head pointers.
897 * This array is mod'd the with the size to find which bucket and then all
898 * entries must be searched to see if the tag is in timed wait. If so we
901 #define SCTP_STACK_VTAG_HASH_SIZE 32
904 * Number of seconds of time wait for a vtag.
906 #define SCTP_TIME_WAIT 60
908 /* How many micro seconds is the cutoff from
909 * local lan type rtt's
912 * We allow 900us for the rtt.
914 #define SCTP_LOCAL_LAN_RTT 900
915 #define SCTP_LAN_UNKNOWN 0
916 #define SCTP_LAN_LOCAL 1
917 #define SCTP_LAN_INTERNET 2
919 #define SCTP_SEND_BUFFER_SPLITTING 0x00000001
920 #define SCTP_RECV_BUFFER_SPLITTING 0x00000002
922 /* The system retains a cache of free chunks such to
923 * cut down on calls the memory allocation system. There
924 * is a per association limit of free items and a overall
925 * system limit. If either one gets hit then the resource
926 * stops being cached.
929 #define SCTP_DEF_ASOC_RESC_LIMIT 10
930 #define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
933 * defines for socket lock states.
936 #define SCTP_SO_LOCKED 1
937 #define SCTP_SO_NOT_LOCKED 0
940 * For address locks, do we hold the lock?
942 #define SCTP_ADDR_LOCKED 1
943 #define SCTP_ADDR_NOT_LOCKED 0
945 #define IN4_ISPRIVATE_ADDRESS(a) \
946 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \
947 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \
948 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \
949 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
950 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \
951 (((uint8_t *)&(a)->s_addr)[1] == 168)))
953 #define IN4_ISLOOPBACK_ADDRESS(a) \
954 (((uint8_t *)&(a)->s_addr)[0] == 127)
956 #define IN4_ISLINKLOCAL_ADDRESS(a) \
957 ((((uint8_t *)&(a)->s_addr)[0] == 169) && \
958 (((uint8_t *)&(a)->s_addr)[1] == 254))
960 /* Maximum size of optval for IPPROTO_SCTP level socket options. */
961 #define SCTP_SOCKET_OPTION_LIMIT (64 * 1024)
964 #define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
965 #define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
968 #if defined(_KERNEL) || defined(__Userspace__)
969 #define sctp_sowwakeup(inp, so) \
971 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
972 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
978 #define sctp_sowwakeup_locked(inp, so) \
980 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
981 SOCKBUF_UNLOCK(&((so)->so_snd)); \
982 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
984 sowwakeup_locked(so); \
988 #define sctp_sorwakeup(inp, so) \
990 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
991 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
997 #define sctp_sorwakeup_locked(inp, so) \
999 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1000 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1001 SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1003 sorwakeup_locked(so); \
1007 #endif /* _KERNEL || __Userspace__ */