2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
12 * b) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the distribution.
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17 * contributors may be used to endorse or promote products derived
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20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
33 /* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #ifndef __sctp_constants_h__
39 #define __sctp_constants_h__
41 /* IANA assigned port number for SCTP over UDP encapsulation */
42 /* For freebsd we cannot bind the port at
43 * startup. Otherwise what will happen is
44 * we really won't be bound. The user must
45 * put it into the sysctl... or we need
46 * to build a special timer for this to allow
47 * us to wait 1 second or so after the system
50 #define SCTP_OVER_UDP_TUNNELING_PORT 0
51 /* Number of packets to get before sack sent by default */
52 #define SCTP_DEFAULT_SACK_FREQ 2
54 /* Address limit - This variable is calculated
55 * based on an 65535 byte max ip packet. We take out 100 bytes
56 * for the cookie, 40 bytes for a v6 header and 32
57 * bytes for the init structure. A second init structure
58 * for the init-ack and then finally a third one for the
59 * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes.
60 * This leaves 65299 bytes for addresses. We throw out the 299 bytes.
61 * Now whatever we send in the INIT() we need to allow to get back in the
62 * INIT-ACK plus all the values from INIT and INIT-ACK
63 * listed in the cookie. Plus we need some overhead for
64 * maybe copied parameters in the COOKIE. If we
65 * allow 1080 addresses, and each side has 1080 V6 addresses
66 * that will be 21600 bytes. In the INIT-ACK we will
67 * see the INIT-ACK 21600 + 43200 in the cookie. This leaves
68 * about 500 bytes slack for misc things in the cookie.
70 #define SCTP_ADDRESS_LIMIT 1080
72 /* We need at least 2k of space for us, inits
73 * larger than that lets abort.
75 #define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048)
77 /* Number of addresses where we just skip the counting */
78 #define SCTP_COUNT_LIMIT 40
80 #define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000)
81 #define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000)
83 /* Number of ticks to delay before running
84 * iterator on an address change.
86 #define SCTP_ADDRESS_TICK_DELAY 2
88 #define SCTP_VERSION_STRING "KAME-BSD 1.1"
89 /* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */
90 #define SCTP_AUDIT_SIZE 256
93 #define SCTP_KTRHEAD_NAME "sctp_iterator"
94 #define SCTP_KTHREAD_PAGES 0
96 #define SCTP_MCORE_NAME "sctp_core_worker"
99 /* If you support Multi-VRF how big to
100 * make the initial array of VRF's to.
102 #define SCTP_DEFAULT_VRF_SIZE 4
104 /* constants for rto calc */
105 #define sctp_align_safe_nocopy 0
106 #define sctp_align_unsafe_makecopy 1
108 /* JRS - Values defined for the HTCP algorithm */
109 #define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
110 #define BETA_MIN (1<<6) /* 0.5 with shift << 7 */
111 #define BETA_MAX 102 /* 0.8 with shift << 7 */
113 /* Places that CWND log can happen from */
114 #define SCTP_CWND_LOG_FROM_FR 1
115 #define SCTP_CWND_LOG_FROM_RTX 2
116 #define SCTP_CWND_LOG_FROM_BRST 3
117 #define SCTP_CWND_LOG_FROM_SS 4
118 #define SCTP_CWND_LOG_FROM_CA 5
119 #define SCTP_CWND_LOG_FROM_SAT 6
120 #define SCTP_BLOCK_LOG_INTO_BLK 7
121 #define SCTP_BLOCK_LOG_OUTOF_BLK 8
122 #define SCTP_BLOCK_LOG_CHECK 9
123 #define SCTP_STR_LOG_FROM_INTO_STRD 10
124 #define SCTP_STR_LOG_FROM_IMMED_DEL 11
125 #define SCTP_STR_LOG_FROM_INSERT_HD 12
126 #define SCTP_STR_LOG_FROM_INSERT_MD 13
127 #define SCTP_STR_LOG_FROM_INSERT_TL 14
128 #define SCTP_STR_LOG_FROM_MARK_TSN 15
129 #define SCTP_STR_LOG_FROM_EXPRS_DEL 16
130 #define SCTP_FR_LOG_BIGGEST_TSNS 17
131 #define SCTP_FR_LOG_STRIKE_TEST 18
132 #define SCTP_FR_LOG_STRIKE_CHUNK 19
133 #define SCTP_FR_T3_TIMEOUT 20
134 #define SCTP_MAP_PREPARE_SLIDE 21
135 #define SCTP_MAP_SLIDE_FROM 22
136 #define SCTP_MAP_SLIDE_RESULT 23
137 #define SCTP_MAP_SLIDE_CLEARED 24
138 #define SCTP_MAP_SLIDE_NONE 25
139 #define SCTP_FR_T3_MARK_TIME 26
140 #define SCTP_FR_T3_MARKED 27
141 #define SCTP_FR_T3_STOPPED 28
142 #define SCTP_FR_MARKED 30
143 #define SCTP_CWND_LOG_NOADV_SS 31
144 #define SCTP_CWND_LOG_NOADV_CA 32
145 #define SCTP_MAX_BURST_APPLIED 33
146 #define SCTP_MAX_IFP_APPLIED 34
147 #define SCTP_MAX_BURST_ERROR_STOP 35
148 #define SCTP_INCREASE_PEER_RWND 36
149 #define SCTP_DECREASE_PEER_RWND 37
150 #define SCTP_SET_PEER_RWND_VIA_SACK 38
151 #define SCTP_LOG_MBCNT_INCREASE 39
152 #define SCTP_LOG_MBCNT_DECREASE 40
153 #define SCTP_LOG_MBCNT_CHKSET 41
154 #define SCTP_LOG_NEW_SACK 42
155 #define SCTP_LOG_TSN_ACKED 43
156 #define SCTP_LOG_TSN_REVOKED 44
157 #define SCTP_LOG_LOCK_TCB 45
158 #define SCTP_LOG_LOCK_INP 46
159 #define SCTP_LOG_LOCK_SOCK 47
160 #define SCTP_LOG_LOCK_SOCKBUF_R 48
161 #define SCTP_LOG_LOCK_SOCKBUF_S 49
162 #define SCTP_LOG_LOCK_CREATE 50
163 #define SCTP_LOG_INITIAL_RTT 51
164 #define SCTP_LOG_RTTVAR 52
165 #define SCTP_LOG_SBALLOC 53
166 #define SCTP_LOG_SBFREE 54
167 #define SCTP_LOG_SBRESULT 55
168 #define SCTP_FR_DUPED 56
169 #define SCTP_FR_MARKED_EARLY 57
170 #define SCTP_FR_CWND_REPORT 58
171 #define SCTP_FR_CWND_REPORT_START 59
172 #define SCTP_FR_CWND_REPORT_STOP 60
173 #define SCTP_CWND_LOG_FROM_SEND 61
174 #define SCTP_CWND_INITIALIZATION 62
175 #define SCTP_CWND_LOG_FROM_T3 63
176 #define SCTP_CWND_LOG_FROM_SACK 64
177 #define SCTP_CWND_LOG_NO_CUMACK 65
178 #define SCTP_CWND_LOG_FROM_RESEND 66
179 #define SCTP_FR_LOG_CHECK_STRIKE 67
180 #define SCTP_SEND_NOW_COMPLETES 68
181 #define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69
182 #define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70
183 #define SCTP_LOG_FREE_SENT 71
184 #define SCTP_NAGLE_APPLIED 72
185 #define SCTP_NAGLE_SKIPPED 73
186 #define SCTP_WAKESND_FROM_SACK 74
187 #define SCTP_WAKESND_FROM_FWDTSN 75
188 #define SCTP_NOWAKE_FROM_SACK 76
189 #define SCTP_CWNDLOG_PRESEND 77
190 #define SCTP_CWNDLOG_ENDSEND 78
191 #define SCTP_AT_END_OF_SACK 79
192 #define SCTP_REASON_FOR_SC 80
193 #define SCTP_BLOCK_LOG_INTO_BLKA 81
194 #define SCTP_ENTER_USER_RECV 82
195 #define SCTP_USER_RECV_SACKS 83
196 #define SCTP_SORECV_BLOCKSA 84
197 #define SCTP_SORECV_BLOCKSB 85
198 #define SCTP_SORECV_DONE 86
199 #define SCTP_SACK_RWND_UPDATE 87
200 #define SCTP_SORECV_ENTER 88
201 #define SCTP_SORECV_ENTERPL 89
202 #define SCTP_MBUF_INPUT 90
203 #define SCTP_MBUF_IALLOC 91
204 #define SCTP_MBUF_IFREE 92
205 #define SCTP_MBUF_ICOPY 93
206 #define SCTP_MBUF_SPLIT 94
207 #define SCTP_SORCV_FREECTL 95
208 #define SCTP_SORCV_DOESCPY 96
209 #define SCTP_SORCV_DOESLCK 97
210 #define SCTP_SORCV_DOESADJ 98
211 #define SCTP_SORCV_BOTWHILE 99
212 #define SCTP_SORCV_PASSBF 100
213 #define SCTP_SORCV_ADJD 101
214 #define SCTP_UNKNOWN_MAX 102
215 #define SCTP_RANDY_STUFF 103
216 #define SCTP_RANDY_STUFF1 104
217 #define SCTP_STRMOUT_LOG_ASSIGN 105
218 #define SCTP_STRMOUT_LOG_SEND 106
219 #define SCTP_FLIGHT_LOG_DOWN_CA 107
220 #define SCTP_FLIGHT_LOG_UP 108
221 #define SCTP_FLIGHT_LOG_DOWN_GAP 109
222 #define SCTP_FLIGHT_LOG_DOWN_RSND 110
223 #define SCTP_FLIGHT_LOG_UP_RSND 111
224 #define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112
225 #define SCTP_FLIGHT_LOG_DOWN_WP 113
226 #define SCTP_FLIGHT_LOG_UP_REVOKE 114
227 #define SCTP_FLIGHT_LOG_DOWN_PDRP 115
228 #define SCTP_FLIGHT_LOG_DOWN_PMTU 116
229 #define SCTP_SACK_LOG_NORMAL 117
230 #define SCTP_SACK_LOG_EXPRESS 118
231 #define SCTP_MAP_TSN_ENTERS 119
232 #define SCTP_THRESHOLD_CLEAR 120
233 #define SCTP_THRESHOLD_INCR 121
234 #define SCTP_FLIGHT_LOG_DWN_WP_FWD 122
235 #define SCTP_FWD_TSN_CHECK 123
236 #define SCTP_LOG_MAX_TYPES 124
238 * To turn on various logging, you must first enable 'options KTR' and
239 * you might want to bump the entires 'options KTR_ENTRIES=80000'.
240 * To get something to log you define one of the logging defines.
243 * This gets the compile in place, but you still need to turn the
244 * logging flag on too in the sysctl (see in sctp.h).
247 #define SCTP_LOG_EVENT_UNKNOWN 0
248 #define SCTP_LOG_EVENT_CWND 1
249 #define SCTP_LOG_EVENT_BLOCK 2
250 #define SCTP_LOG_EVENT_STRM 3
251 #define SCTP_LOG_EVENT_FR 4
252 #define SCTP_LOG_EVENT_MAP 5
253 #define SCTP_LOG_EVENT_MAXBURST 6
254 #define SCTP_LOG_EVENT_RWND 7
255 #define SCTP_LOG_EVENT_MBCNT 8
256 #define SCTP_LOG_EVENT_SACK 9
257 #define SCTP_LOG_LOCK_EVENT 10
258 #define SCTP_LOG_EVENT_RTT 11
259 #define SCTP_LOG_EVENT_SB 12
260 #define SCTP_LOG_EVENT_NAGLE 13
261 #define SCTP_LOG_EVENT_WAKE 14
262 #define SCTP_LOG_MISC_EVENT 15
263 #define SCTP_LOG_EVENT_CLOSE 16
264 #define SCTP_LOG_EVENT_MBUF 17
265 #define SCTP_LOG_CHUNK_PROC 18
266 #define SCTP_LOG_ERROR_RET 19
268 #define SCTP_LOG_MAX_EVENT 20
270 #define SCTP_LOCK_UNKNOWN 2
273 /* number of associations by default for zone allocation */
274 #define SCTP_MAX_NUM_OF_ASOC 40000
275 /* how many addresses per assoc remote and local */
276 #define SCTP_SCALE_FOR_ADDR 2
278 /* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
279 #define SCTP_DEFAULT_AUTO_ASCONF 1
281 /* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */
282 #define SCTP_DEFAULT_MULTIPLE_ASCONFS 0
284 /* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */
285 #define SCTP_DEFAULT_MOBILITY_BASE 0
287 /* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */
288 #define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
291 * Theshold for rwnd updates, we have to read (sb_hiwat >>
292 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a
293 * window update sack. When we look, we compare the last rwnd we sent vs the
294 * current rwnd. It too must be greater than this value. Using 3 divdes the
295 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need
296 * to read 8k. This seems about right.. I hope :-D.. we do set a
297 * min of a MTU on it so if the rwnd is real small we will insist
298 * on a full MTU of 1500 bytes.
300 #define SCTP_RWND_HIWAT_SHIFT 3
302 /* How much of the rwnd must the
303 * message be taking up to start partial delivery.
304 * We calculate this by shifing the hi_water (recv_win)
305 * left the following .. set to 1, when a message holds
306 * 1/2 the rwnd. If we set it to 2 when a message holds
307 * 1/4 the rwnd...etc..
310 #define SCTP_PARTIAL_DELIVERY_SHIFT 1
313 * default HMAC for cookies, etc... use one of the AUTH HMAC id's
314 * SCTP_HMAC is the HMAC_ID to use
315 * SCTP_SIGNATURE_SIZE is the digest length
317 #define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1
318 #define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1
319 #define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE
322 * the SCTP protocol signature this includes the version number encoded in
323 * the last 4 bits of the signature.
325 #define PROTO_SIGNATURE_A 0x30000000
326 #define SCTP_VERSION_NUMBER 0x3
328 #define MAX_TSN 0xffffffff
330 /* how many executions every N tick's */
331 #define SCTP_ITERATOR_MAX_AT_ONCE 20
333 /* number of clock ticks between iterator executions */
334 #define SCTP_ITERATOR_TICKS 1
337 * option: If you comment out the following you will receive the old behavior
338 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR
339 * happens right away with-out waiting for the flightsize to drop below the
340 * cwnd value (which is reduced by the FR to 1/2 the inflight packets).
342 #define SCTP_IGNORE_CWND_ON_FR 1
345 * Adds implementors guide behavior to only use newest highest update in SACK
346 * gap ack's to figure out if you need to stroke a chunk for FR.
348 #define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
350 /* default max I can burst out after a fast retransmit, 0 disables it */
351 #define SCTP_DEF_MAX_BURST 0
352 #define SCTP_DEF_HBMAX_BURST 4
353 #define SCTP_DEF_FRMAX_BURST 4
355 /* RTO calculation flag to say if it
356 * is safe to determine local lan or not.
358 #define SCTP_RTT_FROM_NON_DATA 0
359 #define SCTP_RTT_FROM_DATA 1
362 /* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */
363 #define SCTP_FIRST_MBUF_RESV 68
364 /* Packet transmit states in the sent field */
365 #define SCTP_DATAGRAM_UNSENT 0
366 #define SCTP_DATAGRAM_SENT 1
367 #define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may
369 #define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
371 #define SCTP_DATAGRAM_RESEND 4
372 #define SCTP_DATAGRAM_ACKED 10010
373 #define SCTP_DATAGRAM_MARKED 20010
374 #define SCTP_FORWARD_TSN_SKIP 30010
376 /* chunk output send from locations */
377 #define SCTP_OUTPUT_FROM_USR_SEND 0
378 #define SCTP_OUTPUT_FROM_T3 1
379 #define SCTP_OUTPUT_FROM_INPUT_ERROR 2
380 #define SCTP_OUTPUT_FROM_CONTROL_PROC 3
381 #define SCTP_OUTPUT_FROM_SACK_TMR 4
382 #define SCTP_OUTPUT_FROM_SHUT_TMR 5
383 #define SCTP_OUTPUT_FROM_HB_TMR 6
384 #define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7
385 #define SCTP_OUTPUT_FROM_ASCONF_TMR 8
386 #define SCTP_OUTPUT_FROM_STRRST_TMR 9
387 #define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10
388 #define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11
389 #define SCTP_OUTPUT_FROM_STRRST_REQ 12
390 #define SCTP_OUTPUT_FROM_USR_RCVD 13
391 #define SCTP_OUTPUT_FROM_COOKIE_ACK 14
392 #define SCTP_OUTPUT_FROM_DRAIN 15
393 #define SCTP_OUTPUT_FROM_CLOSING 16
394 #define SCTP_OUTPUT_FROM_SOCKOPT 17
396 /* SCTP chunk types are moved sctp.h for application (NAT, FW) use */
398 /* align to 32-bit sizes */
399 #define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2)
401 #define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
402 #define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
405 /* SCTP parameter types */
406 /*************0x0000 series*************/
407 #define SCTP_HEARTBEAT_INFO 0x0001
408 #define SCTP_IPV4_ADDRESS 0x0005
409 #define SCTP_IPV6_ADDRESS 0x0006
410 #define SCTP_STATE_COOKIE 0x0007
411 #define SCTP_UNRECOG_PARAM 0x0008
412 #define SCTP_COOKIE_PRESERVE 0x0009
413 #define SCTP_HOSTNAME_ADDRESS 0x000b
414 #define SCTP_SUPPORTED_ADDRTYPE 0x000c
416 /* draft-ietf-stewart-tsvwg-strreset-xxx */
417 #define SCTP_STR_RESET_OUT_REQUEST 0x000d
418 #define SCTP_STR_RESET_IN_REQUEST 0x000e
419 #define SCTP_STR_RESET_TSN_REQUEST 0x000f
420 #define SCTP_STR_RESET_RESPONSE 0x0010
421 #define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011
422 #define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012
424 #define SCTP_MAX_RESET_PARAMS 2
425 #define SCTP_STREAM_RESET_TSN_DELTA 0x1000
427 /*************0x4000 series*************/
429 /*************0x8000 series*************/
430 #define SCTP_ECN_CAPABLE 0x8000
432 /* draft-ietf-tsvwg-auth-xxx */
433 #define SCTP_RANDOM 0x8002
434 #define SCTP_CHUNK_LIST 0x8003
435 #define SCTP_HMAC_LIST 0x8004
437 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte
438 * | Byte Byte | Byte ...
440 * Where each byte is a chunk type extension supported. For example, to support
441 * all chunks one would have (in hex):
443 * 80 01 00 09 C0 C1 80 81 82 00 00 00
445 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81
446 * = Packet Drop 82 = Stream Reset 83 = Authentication
448 #define SCTP_SUPPORTED_CHUNK_EXT 0x8008
450 /*************0xC000 series*************/
451 #define SCTP_PRSCTP_SUPPORTED 0xc000
452 /* draft-ietf-tsvwg-addip-sctp */
453 #define SCTP_ADD_IP_ADDRESS 0xc001
454 #define SCTP_DEL_IP_ADDRESS 0xc002
455 #define SCTP_ERROR_CAUSE_IND 0xc003
456 #define SCTP_SET_PRIM_ADDR 0xc004
457 #define SCTP_SUCCESS_REPORT 0xc005
458 #define SCTP_ULP_ADAPTATION 0xc006
459 /* behave-nat-draft */
460 #define SCTP_HAS_NAT_SUPPORT 0xc007
461 #define SCTP_NAT_VTAGS 0xc008
463 /* Notification error codes */
464 #define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001
465 #define SCTP_NOTIFY_DATAGRAM_SENT 0x0002
466 #define SCTP_FAILED_THRESHOLD 0x0004
467 #define SCTP_HEARTBEAT_SUCCESS 0x0008
468 #define SCTP_RESPONSE_TO_USER_REQ 0x0010
469 #define SCTP_INTERNAL_ERROR 0x0020
470 #define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040
471 #define SCTP_RECEIVED_SACK 0x0080
472 #define SCTP_PEER_FAULTY 0x0100
473 #define SCTP_ICMP_REFUSED 0x0200
475 /* bits for TOS field */
476 #define SCTP_ECT0_BIT 0x02
477 #define SCTP_ECT1_BIT 0x01
478 #define SCTP_CE_BITS 0x03
480 /* below turns off above */
481 #define SCTP_FLEXIBLE_ADDRESS 0x20
482 #define SCTP_NO_HEARTBEAT 0x40
484 /* mask to get sticky */
485 #define SCTP_STICKY_OPTIONS_MASK 0x0c
489 * SCTP states for internal state machine XXX (should match "user" values)
491 #define SCTP_STATE_EMPTY 0x0000
492 #define SCTP_STATE_INUSE 0x0001
493 #define SCTP_STATE_COOKIE_WAIT 0x0002
494 #define SCTP_STATE_COOKIE_ECHOED 0x0004
495 #define SCTP_STATE_OPEN 0x0008
496 #define SCTP_STATE_SHUTDOWN_SENT 0x0010
497 #define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
498 #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
499 #define SCTP_STATE_SHUTDOWN_PENDING 0x0080
500 #define SCTP_STATE_CLOSED_SOCKET 0x0100
501 #define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200
502 #define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400
503 #define SCTP_STATE_WAS_ABORTED 0x0800
504 #define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000
505 #define SCTP_STATE_MASK 0x007f
507 #define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK)
508 #define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate)
509 #define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate)
510 #define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate)
512 /* SCTP reachability state for each address */
513 #define SCTP_ADDR_REACHABLE 0x001
514 #define SCTP_ADDR_NO_PMTUD 0x002
515 #define SCTP_ADDR_NOHB 0x004
516 #define SCTP_ADDR_BEING_DELETED 0x008
517 #define SCTP_ADDR_NOT_IN_ASSOC 0x010
518 #define SCTP_ADDR_OUT_OF_SCOPE 0x080
519 #define SCTP_ADDR_UNCONFIRMED 0x200
520 #define SCTP_ADDR_REQ_PRIMARY 0x400
521 /* JRS 5/13/07 - Added potentially failed state for CMT PF */
522 #define SCTP_ADDR_PF 0x800
524 /* bound address types (e.g. valid address types to allow) */
525 #define SCTP_BOUND_V6 0x01
526 #define SCTP_BOUND_V4 0x02
529 * what is the default number of mbufs in a chain I allow before switching to
532 #define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
534 /* How long a cookie lives in milli-seconds */
535 #define SCTP_DEFAULT_COOKIE_LIFE 60000
537 /* resource limit of streams */
538 #define MAX_SCTP_STREAMS 2048
540 /* Maximum the mapping array will grow to (TSN mapping array) */
541 #define SCTP_MAPPING_ARRAY 512
543 /* size of the inital malloc on the mapping array */
544 #define SCTP_INITIAL_MAPPING_ARRAY 16
545 /* how much we grow the mapping array each call */
546 #define SCTP_MAPPING_ARRAY_INCR 32
549 * Here we define the timer types used by the implementation as arguments in
550 * the set/get timer type calls.
552 #define SCTP_TIMER_INIT 0
553 #define SCTP_TIMER_RECV 1
554 #define SCTP_TIMER_SEND 2
555 #define SCTP_TIMER_HEARTBEAT 3
556 #define SCTP_TIMER_PMTU 4
557 #define SCTP_TIMER_MAXSHUTDOWN 5
558 #define SCTP_TIMER_SIGNATURE 6
560 * number of timer types in the base SCTP structure used in the set/get and
561 * has the base default.
563 #define SCTP_NUM_TMRS 7
566 #define SCTP_TIMER_TYPE_NONE 0
567 #define SCTP_TIMER_TYPE_SEND 1
568 #define SCTP_TIMER_TYPE_INIT 2
569 #define SCTP_TIMER_TYPE_RECV 3
570 #define SCTP_TIMER_TYPE_SHUTDOWN 4
571 #define SCTP_TIMER_TYPE_HEARTBEAT 5
572 #define SCTP_TIMER_TYPE_COOKIE 6
573 #define SCTP_TIMER_TYPE_NEWCOOKIE 7
574 #define SCTP_TIMER_TYPE_PATHMTURAISE 8
575 #define SCTP_TIMER_TYPE_SHUTDOWNACK 9
576 #define SCTP_TIMER_TYPE_ASCONF 10
577 #define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
578 #define SCTP_TIMER_TYPE_AUTOCLOSE 12
579 #define SCTP_TIMER_TYPE_EVENTWAKE 13
580 #define SCTP_TIMER_TYPE_STRRESET 14
581 #define SCTP_TIMER_TYPE_INPKILL 15
582 #define SCTP_TIMER_TYPE_ASOCKILL 16
583 #define SCTP_TIMER_TYPE_ADDR_WQ 17
584 #define SCTP_TIMER_TYPE_ZERO_COPY 18
585 #define SCTP_TIMER_TYPE_ZCOPY_SENDQ 19
586 #define SCTP_TIMER_TYPE_PRIM_DELETED 20
587 /* add new timers here - and increment LAST */
588 #define SCTP_TIMER_TYPE_LAST 21
590 #define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
591 ((t) < SCTP_TIMER_TYPE_LAST))
595 /* max number of TSN's dup'd that I will hold */
596 #define SCTP_MAX_DUP_TSNS 20
599 * Here we define the types used when setting the retry amounts.
601 /* How many drop re-attempts we make on INIT/COOKIE-ECHO */
602 #define SCTP_RETRY_DROPPED_THRESH 4
605 * Maxmium number of chunks a single association can have on it. Note that
606 * this is a squishy number since the count can run over this if the user
607 * sends a large message down .. the fragmented chunks don't count until
608 * AFTER the message is on queue.. it would be the next send that blocks
609 * things. This number will get tuned up at boot in the sctp_init and use the
610 * number of clusters as a base. This way high bandwidth environments will
611 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks
613 #define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
616 /* The conversion from time to ticks and vice versa is done by rounding
617 * upwards. This way we can test in the code the time to be positive and
618 * know that this corresponds to a positive number of ticks.
620 #define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000))
621 #define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz))
623 #define SEC_TO_TICKS(x) ((x) * hz)
624 #define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz)
627 * Basically the minimum amount of time before I do a early FR. Making this
628 * value to low will cause duplicate retransmissions.
630 #define SCTP_MINFR_MSEC_TIMER 250
631 /* The floor this value is allowed to fall to when starting a timer. */
632 #define SCTP_MINFR_MSEC_FLOOR 20
634 /* init timer def = 1 sec */
635 #define SCTP_INIT_SEC 1
637 /* send timer def = 1 seconds */
638 #define SCTP_SEND_SEC 1
640 /* recv timer def = 200ms */
641 #define SCTP_RECV_MSEC 200
643 /* 30 seconds + RTO (in ms) */
644 #define SCTP_HB_DEFAULT_MSEC 30000
646 /* Max time I will wait for Shutdown to complete */
647 #define SCTP_DEF_MAX_SHUTDOWN_SEC 180
651 * This is how long a secret lives, NOT how long a cookie lives how many
652 * ticks the current secret will live.
654 #define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
656 #define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
657 #define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */
658 #define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
661 #define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */
662 #define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */
664 #define SCTP_DEF_MAX_INIT 8
665 #define SCTP_DEF_MAX_SEND 10
666 #define SCTP_DEF_MAX_PATH_RTX 5
667 #define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX
669 #define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
672 /* How many streams I request initally by default */
673 #define SCTP_OSTREAM_INITIAL 10
676 * How many smallest_mtu's need to increase before a window update sack is
677 * sent (should be a power of 2).
679 /* Send window update (incr * this > hiwat). Should be a power of 2 */
680 #define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
682 #define SCTP_ADDRMAX 16
684 /* SCTP DEBUG Switch parameters */
685 #define SCTP_DEBUG_TIMER1 0x00000001
686 #define SCTP_DEBUG_TIMER2 0x00000002 /* unused */
687 #define SCTP_DEBUG_TIMER3 0x00000004 /* unused */
688 #define SCTP_DEBUG_TIMER4 0x00000008
689 #define SCTP_DEBUG_OUTPUT1 0x00000010
690 #define SCTP_DEBUG_OUTPUT2 0x00000020
691 #define SCTP_DEBUG_OUTPUT3 0x00000040
692 #define SCTP_DEBUG_OUTPUT4 0x00000080
693 #define SCTP_DEBUG_UTIL1 0x00000100
694 #define SCTP_DEBUG_UTIL2 0x00000200 /* unused */
695 #define SCTP_DEBUG_AUTH1 0x00000400
696 #define SCTP_DEBUG_AUTH2 0x00000800 /* unused */
697 #define SCTP_DEBUG_INPUT1 0x00001000
698 #define SCTP_DEBUG_INPUT2 0x00002000
699 #define SCTP_DEBUG_INPUT3 0x00004000
700 #define SCTP_DEBUG_INPUT4 0x00008000 /* unused */
701 #define SCTP_DEBUG_ASCONF1 0x00010000
702 #define SCTP_DEBUG_ASCONF2 0x00020000
703 #define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */
704 #define SCTP_DEBUG_XXX 0x00080000 /* unused */
705 #define SCTP_DEBUG_PCB1 0x00100000
706 #define SCTP_DEBUG_PCB2 0x00200000 /* unused */
707 #define SCTP_DEBUG_PCB3 0x00400000
708 #define SCTP_DEBUG_PCB4 0x00800000
709 #define SCTP_DEBUG_INDATA1 0x01000000
710 #define SCTP_DEBUG_INDATA2 0x02000000 /* unused */
711 #define SCTP_DEBUG_INDATA3 0x04000000 /* unused */
712 #define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */
713 #define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */
714 #define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */
715 #define SCTP_DEBUG_PEEL1 0x40000000
716 #define SCTP_DEBUG_XXXXX 0x80000000 /* unused */
717 #define SCTP_DEBUG_ALL 0x7ff3ffff
718 #define SCTP_DEBUG_NOISY 0x00040000
720 /* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
721 #define SCTP_SWS_SENDER_DEF 1420
724 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1
725 * would be hiwat/2 etc.
727 /* What receiver needs to see in sockbuf or we tell peer its 1 */
728 #define SCTP_SWS_RECEIVER_DEF 3000
730 #define SCTP_INITIAL_CWND 4380
732 #define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */
733 /* amount peer is obligated to have in rwnd or I will abort */
734 #define SCTP_MIN_RWND 1500
736 #define SCTP_DEFAULT_MAXSEGMENT 65535
738 #define SCTP_CHUNK_BUFFER_SIZE 512
739 #define SCTP_PARAM_BUFFER_SIZE 512
741 /* small chunk store for looking at chunk_list in auth */
742 #define SCTP_SMALL_CHUNK_STORE 260
744 #define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
745 #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
747 #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
748 #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
752 * SCTP upper layer notifications
754 #define SCTP_NOTIFY_ASSOC_UP 1
755 #define SCTP_NOTIFY_ASSOC_DOWN 2
756 #define SCTP_NOTIFY_INTERFACE_DOWN 3
757 #define SCTP_NOTIFY_INTERFACE_UP 4
758 #define SCTP_NOTIFY_DG_FAIL 5
759 #define SCTP_NOTIFY_STRDATA_ERR 6
760 #define SCTP_NOTIFY_ASSOC_LOC_ABORTED 7
761 #define SCTP_NOTIFY_PEER_OPENED_STREAM 8
762 #define SCTP_NOTIFY_STREAM_OPENED_OK 9
763 #define SCTP_NOTIFY_ASSOC_RESTART 10
764 #define SCTP_NOTIFY_HB_RESP 11
765 #define SCTP_NOTIFY_ASCONF_SUCCESS 12
766 #define SCTP_NOTIFY_ASCONF_FAILED 13
767 #define SCTP_NOTIFY_PEER_SHUTDOWN 14
768 #define SCTP_NOTIFY_ASCONF_ADD_IP 15
769 #define SCTP_NOTIFY_ASCONF_DELETE_IP 16
770 #define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17
771 #define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18
772 #define SCTP_NOTIFY_INTERFACE_CONFIRMED 20
773 #define SCTP_NOTIFY_STR_RESET_RECV 21
774 #define SCTP_NOTIFY_STR_RESET_SEND 22
775 #define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23
776 #define SCTP_NOTIFY_STR_RESET_FAILED_IN 24
777 #define SCTP_NOTIFY_AUTH_NEW_KEY 25
778 #define SCTP_NOTIFY_AUTH_FREE_KEY 26
779 #define SCTP_NOTIFY_SPECIAL_SP_FAIL 27
780 #define SCTP_NOTIFY_NO_PEER_AUTH 28
781 #define SCTP_NOTIFY_SENDER_DRY 29
782 #define SCTP_NOTIFY_STR_RESET_DENIED_OUT 30
783 #define SCTP_NOTIFY_STR_RESET_DENIED_IN 31
784 #define SCTP_NOTIFY_ASSOC_REM_ABORTED 32
785 #define SCTP_NOTIFY_MAX 32
788 /* This is the value for messages that are NOT completely
789 * copied down where we will start to split the message.
790 * So, with our default, we split only if the piece we
791 * want to take will fill up a full MTU (assuming
794 #define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
796 /* ABORT CODES and other tell-tale location
797 * codes are generated by adding the below
798 * to the instance id.
802 #define SCTP_FROM_SCTP_INPUT 0x10000000
803 #define SCTP_FROM_SCTP_PCB 0x20000000
804 #define SCTP_FROM_SCTP_INDATA 0x30000000
805 #define SCTP_FROM_SCTP_TIMER 0x40000000
806 #define SCTP_FROM_SCTP_USRREQ 0x50000000
807 #define SCTP_FROM_SCTPUTIL 0x60000000
808 #define SCTP_FROM_SCTP6_USRREQ 0x70000000
809 #define SCTP_FROM_SCTP_ASCONF 0x80000000
810 #define SCTP_FROM_SCTP_OUTPUT 0x90000000
811 #define SCTP_FROM_SCTP_PEELOFF 0xa0000000
812 #define SCTP_FROM_SCTP_PANDA 0xb0000000
813 #define SCTP_FROM_SCTP_SYSCTL 0xc0000000
816 #define SCTP_LOC_1 0x00000001
817 #define SCTP_LOC_2 0x00000002
818 #define SCTP_LOC_3 0x00000003
819 #define SCTP_LOC_4 0x00000004
820 #define SCTP_LOC_5 0x00000005
821 #define SCTP_LOC_6 0x00000006
822 #define SCTP_LOC_7 0x00000007
823 #define SCTP_LOC_8 0x00000008
824 #define SCTP_LOC_9 0x00000009
825 #define SCTP_LOC_10 0x0000000a
826 #define SCTP_LOC_11 0x0000000b
827 #define SCTP_LOC_12 0x0000000c
828 #define SCTP_LOC_13 0x0000000d
829 #define SCTP_LOC_14 0x0000000e
830 #define SCTP_LOC_15 0x0000000f
831 #define SCTP_LOC_16 0x00000010
832 #define SCTP_LOC_17 0x00000011
833 #define SCTP_LOC_18 0x00000012
834 #define SCTP_LOC_19 0x00000013
835 #define SCTP_LOC_20 0x00000014
836 #define SCTP_LOC_21 0x00000015
837 #define SCTP_LOC_22 0x00000016
838 #define SCTP_LOC_23 0x00000017
839 #define SCTP_LOC_24 0x00000018
840 #define SCTP_LOC_25 0x00000019
841 #define SCTP_LOC_26 0x0000001a
842 #define SCTP_LOC_27 0x0000001b
843 #define SCTP_LOC_28 0x0000001c
844 #define SCTP_LOC_29 0x0000001d
845 #define SCTP_LOC_30 0x0000001e
846 #define SCTP_LOC_31 0x0000001f
847 #define SCTP_LOC_32 0x00000020
848 #define SCTP_LOC_33 0x00000021
851 /* Free assoc codes */
852 #define SCTP_NORMAL_PROC 0
853 #define SCTP_PCBFREE_NOFORCE 1
854 #define SCTP_PCBFREE_FORCE 2
856 /* From codes for adding addresses */
857 #define SCTP_ADDR_IS_CONFIRMED 8
858 #define SCTP_ADDR_DYNAMIC_ADDED 6
859 #define SCTP_IN_COOKIE_PROC 100
860 #define SCTP_ALLOC_ASOC 1
861 #define SCTP_LOAD_ADDR_2 2
862 #define SCTP_LOAD_ADDR_3 3
863 #define SCTP_LOAD_ADDR_4 4
864 #define SCTP_LOAD_ADDR_5 5
866 #define SCTP_DONOT_SETSCOPE 0
867 #define SCTP_DO_SETSCOPE 1
870 /* This value determines the default for when
871 * we try to add more on the send queue., if
872 * there is room. This prevents us from cycling
873 * into the copy_resume routine to often if
874 * we have not got enough space to add a decent
875 * enough size message. Note that if we have enough
876 * space to complete the message copy we will always
877 * add to the message, no matter what the size. Its
878 * only when we reach the point that we have some left
879 * to add, there is only room for part of it that we
880 * will use this threshold. Its also a sysctl.
882 #define SCTP_DEFAULT_ADD_MORE 1452
884 #ifndef SCTP_PCBHASHSIZE
885 /* default number of association hash buckets in each endpoint */
886 #define SCTP_PCBHASHSIZE 256
888 #ifndef SCTP_TCBHASHSIZE
889 #define SCTP_TCBHASHSIZE 1024
892 #ifndef SCTP_CHUNKQUEUE_SCALE
893 #define SCTP_CHUNKQUEUE_SCALE 10
896 /* clock variance is 1 ms */
897 #define SCTP_CLOCK_GRANULARITY 1
898 #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this
899 * detracts a small amount for ipv4 but it
900 * simplifies the ipv6 addition */
902 /* Argument magic number for sctp_inpcb_free() */
905 #define SCTP_CALLED_DIRECTLY_NOCMPSET 0
906 #define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
907 #define SCTP_CALLED_FROM_INPKILL_TIMER 2
908 /* second argument */
909 #define SCTP_FREE_SHOULD_USE_ABORT 1
910 #define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
913 #define IPPROTO_SCTP 132 /* the Official IANA number :-) */
914 #endif /* !IPPROTO_SCTP */
916 #define SCTP_MAX_DATA_BUNDLING 256
918 /* modular comparison */
919 /* See RFC 1982 for details. */
920 #define SCTP_SSN_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \
921 ((a > b) && ((uint16_t)(a - b) < (1U<<15))))
922 #define SCTP_SSN_GE(a, b) (SCTP_SSN_GT(a, b) || (a == b))
923 #define SCTP_TSN_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \
924 ((a > b) && ((uint32_t)(a - b) < (1U<<31))))
925 #define SCTP_TSN_GE(a, b) (SCTP_TSN_GT(a, b) || (a == b))
927 /* Mapping array manipulation routines */
928 #define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
929 #define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
930 #define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
931 #define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \
932 if (tsn >= mapping_tsn) { \
933 gap = tsn - mapping_tsn; \
935 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \
940 #define SCTP_RETRAN_DONE -1
941 #define SCTP_RETRAN_EXIT -2
944 * This value defines the number of vtag block time wait entry's per list
945 * element. Each entry will take 2 4 byte ints (and of course the overhead
946 * of the next pointer as well). Using 15 as an example will yield * ((8 *
947 * 15) + 8) or 128 bytes of overhead for each timewait block that gets
948 * initialized. Increasing it to 31 would yeild 256 bytes per block.
950 #define SCTP_NUMBER_IN_VTAG_BLOCK 15
952 * If we use the STACK option, we have an array of this size head pointers.
953 * This array is mod'd the with the size to find which bucket and then all
954 * entries must be searched to see if the tag is in timed wait. If so we
957 #define SCTP_STACK_VTAG_HASH_SIZE 32
960 * Number of seconds of time wait for a vtag.
962 #define SCTP_TIME_WAIT 60
964 /* How many micro seconds is the cutoff from
965 * local lan type rtt's
968 * We allow 900us for the rtt.
970 #define SCTP_LOCAL_LAN_RTT 900
971 #define SCTP_LAN_UNKNOWN 0
972 #define SCTP_LAN_LOCAL 1
973 #define SCTP_LAN_INTERNET 2
975 #define SCTP_SEND_BUFFER_SPLITTING 0x00000001
976 #define SCTP_RECV_BUFFER_SPLITTING 0x00000002
978 /* The system retains a cache of free chunks such to
979 * cut down on calls the memory allocation system. There
980 * is a per association limit of free items and a overall
981 * system limit. If either one gets hit then the resource
982 * stops being cached.
985 #define SCTP_DEF_ASOC_RESC_LIMIT 10
986 #define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
989 * defines for socket lock states.
990 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING
992 #define SCTP_SO_LOCKED 1
993 #define SCTP_SO_NOT_LOCKED 0
996 #define SCTP_HOLDS_LOCK 1
997 #define SCTP_NOT_LOCKED 0
1000 * For address locks, do we hold the lock?
1002 #define SCTP_ADDR_LOCKED 1
1003 #define SCTP_ADDR_NOT_LOCKED 0
1005 #define IN4_ISPRIVATE_ADDRESS(a) \
1006 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \
1007 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \
1008 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \
1009 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
1010 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \
1011 (((uint8_t *)&(a)->s_addr)[1] == 168)))
1013 #define IN4_ISLOOPBACK_ADDRESS(a) \
1014 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \
1015 (((uint8_t *)&(a)->s_addr)[1] == 0) && \
1016 (((uint8_t *)&(a)->s_addr)[2] == 0) && \
1017 (((uint8_t *)&(a)->s_addr)[3] == 1))
1020 #if defined(_KERNEL)
1021 #define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
1022 #define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
1025 #if defined(_KERNEL) || defined(__Userspace__)
1026 #define sctp_sowwakeup(inp, so) \
1028 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1029 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1035 #define sctp_sowwakeup_locked(inp, so) \
1037 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1038 SOCKBUF_UNLOCK(&((so)->so_snd)); \
1039 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1041 sowwakeup_locked(so); \
1045 #define sctp_sorwakeup(inp, so) \
1047 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1048 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1054 #define sctp_sorwakeup_locked(inp, so) \
1056 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1057 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1058 SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1060 sorwakeup_locked(so); \
1064 #endif /* _KERNEL || __Userspace__ */