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31 /* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #ifndef __sctp_constants_h__
37 #define __sctp_constants_h__
39 /* IANA assigned port number for SCTP over UDP encapsulation */
40 /* For freebsd we cannot bind the port at
41 * startup. Otherwise what will happen is
42 * we really won't be bound. The user must
43 * put it into the sysctl... or we need
44 * to build a special timer for this to allow
45 * us to wait 1 second or so after the system
48 #define SCTP_OVER_UDP_TUNNELING_PORT 0
49 /* Number of packets to get before sack sent by default */
50 #define SCTP_DEFAULT_SACK_FREQ 2
52 /* Address limit - This variable is calculated
53 * based on an 65535 byte max ip packet. We take out 100 bytes
54 * for the cookie, 40 bytes for a v6 header and 32
55 * bytes for the init structure. A second init structure
56 * for the init-ack and then finally a third one for the
57 * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes.
58 * This leaves 65299 bytes for addresses. We throw out the 299 bytes.
59 * Now whatever we send in the INIT() we need to allow to get back in the
60 * INIT-ACK plus all the values from INIT and INIT-ACK
61 * listed in the cookie. Plus we need some overhead for
62 * maybe copied parameters in the COOKIE. If we
63 * allow 1080 addresses, and each side has 1080 V6 addresses
64 * that will be 21600 bytes. In the INIT-ACK we will
65 * see the INIT-ACK 21600 + 43200 in the cookie. This leaves
66 * about 500 bytes slack for misc things in the cookie.
68 #define SCTP_ADDRESS_LIMIT 1080
70 /* We need at least 2k of space for us, inits
71 * larger than that lets abort.
73 #define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048)
75 /* Number of addresses where we just skip the counting */
76 #define SCTP_COUNT_LIMIT 40
78 #define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000)
79 #define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000)
81 /* Number of ticks to delay before running
82 * iterator on an address change.
84 #define SCTP_ADDRESS_TICK_DELAY 2
86 #define SCTP_VERSION_STRING "KAME-BSD 1.1"
87 /* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */
88 #define SCTP_AUDIT_SIZE 256
91 #define SCTP_KTRHEAD_NAME "sctp_iterator"
92 #define SCTP_KTHREAD_PAGES 0
95 /* If you support Multi-VRF how big to
96 * make the initial array of VRF's to.
98 #define SCTP_DEFAULT_VRF_SIZE 4
100 /* constants for rto calc */
101 #define sctp_align_safe_nocopy 0
102 #define sctp_align_unsafe_makecopy 1
104 /* JRS - Values defined for the HTCP algorithm */
105 #define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
106 #define BETA_MIN (1<<6) /* 0.5 with shift << 7 */
107 #define BETA_MAX 102 /* 0.8 with shift << 7 */
109 /* Places that CWND log can happen from */
110 #define SCTP_CWND_LOG_FROM_FR 1
111 #define SCTP_CWND_LOG_FROM_RTX 2
112 #define SCTP_CWND_LOG_FROM_BRST 3
113 #define SCTP_CWND_LOG_FROM_SS 4
114 #define SCTP_CWND_LOG_FROM_CA 5
115 #define SCTP_CWND_LOG_FROM_SAT 6
116 #define SCTP_BLOCK_LOG_INTO_BLK 7
117 #define SCTP_BLOCK_LOG_OUTOF_BLK 8
118 #define SCTP_BLOCK_LOG_CHECK 9
119 #define SCTP_STR_LOG_FROM_INTO_STRD 10
120 #define SCTP_STR_LOG_FROM_IMMED_DEL 11
121 #define SCTP_STR_LOG_FROM_INSERT_HD 12
122 #define SCTP_STR_LOG_FROM_INSERT_MD 13
123 #define SCTP_STR_LOG_FROM_INSERT_TL 14
124 #define SCTP_STR_LOG_FROM_MARK_TSN 15
125 #define SCTP_STR_LOG_FROM_EXPRS_DEL 16
126 #define SCTP_FR_LOG_BIGGEST_TSNS 17
127 #define SCTP_FR_LOG_STRIKE_TEST 18
128 #define SCTP_FR_LOG_STRIKE_CHUNK 19
129 #define SCTP_FR_T3_TIMEOUT 20
130 #define SCTP_MAP_PREPARE_SLIDE 21
131 #define SCTP_MAP_SLIDE_FROM 22
132 #define SCTP_MAP_SLIDE_RESULT 23
133 #define SCTP_MAP_SLIDE_CLEARED 24
134 #define SCTP_MAP_SLIDE_NONE 25
135 #define SCTP_FR_T3_MARK_TIME 26
136 #define SCTP_FR_T3_MARKED 27
137 #define SCTP_FR_T3_STOPPED 28
138 #define SCTP_FR_MARKED 30
139 #define SCTP_CWND_LOG_NOADV_SS 31
140 #define SCTP_CWND_LOG_NOADV_CA 32
141 #define SCTP_MAX_BURST_APPLIED 33
142 #define SCTP_MAX_IFP_APPLIED 34
143 #define SCTP_MAX_BURST_ERROR_STOP 35
144 #define SCTP_INCREASE_PEER_RWND 36
145 #define SCTP_DECREASE_PEER_RWND 37
146 #define SCTP_SET_PEER_RWND_VIA_SACK 38
147 #define SCTP_LOG_MBCNT_INCREASE 39
148 #define SCTP_LOG_MBCNT_DECREASE 40
149 #define SCTP_LOG_MBCNT_CHKSET 41
150 #define SCTP_LOG_NEW_SACK 42
151 #define SCTP_LOG_TSN_ACKED 43
152 #define SCTP_LOG_TSN_REVOKED 44
153 #define SCTP_LOG_LOCK_TCB 45
154 #define SCTP_LOG_LOCK_INP 46
155 #define SCTP_LOG_LOCK_SOCK 47
156 #define SCTP_LOG_LOCK_SOCKBUF_R 48
157 #define SCTP_LOG_LOCK_SOCKBUF_S 49
158 #define SCTP_LOG_LOCK_CREATE 50
159 #define SCTP_LOG_INITIAL_RTT 51
160 #define SCTP_LOG_RTTVAR 52
161 #define SCTP_LOG_SBALLOC 53
162 #define SCTP_LOG_SBFREE 54
163 #define SCTP_LOG_SBRESULT 55
164 #define SCTP_FR_DUPED 56
165 #define SCTP_FR_MARKED_EARLY 57
166 #define SCTP_FR_CWND_REPORT 58
167 #define SCTP_FR_CWND_REPORT_START 59
168 #define SCTP_FR_CWND_REPORT_STOP 60
169 #define SCTP_CWND_LOG_FROM_SEND 61
170 #define SCTP_CWND_INITIALIZATION 62
171 #define SCTP_CWND_LOG_FROM_T3 63
172 #define SCTP_CWND_LOG_FROM_SACK 64
173 #define SCTP_CWND_LOG_NO_CUMACK 65
174 #define SCTP_CWND_LOG_FROM_RESEND 66
175 #define SCTP_FR_LOG_CHECK_STRIKE 67
176 #define SCTP_SEND_NOW_COMPLETES 68
177 #define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69
178 #define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70
179 #define SCTP_LOG_FREE_SENT 71
180 #define SCTP_NAGLE_APPLIED 72
181 #define SCTP_NAGLE_SKIPPED 73
182 #define SCTP_WAKESND_FROM_SACK 74
183 #define SCTP_WAKESND_FROM_FWDTSN 75
184 #define SCTP_NOWAKE_FROM_SACK 76
185 #define SCTP_CWNDLOG_PRESEND 77
186 #define SCTP_CWNDLOG_ENDSEND 78
187 #define SCTP_AT_END_OF_SACK 79
188 #define SCTP_REASON_FOR_SC 80
189 #define SCTP_BLOCK_LOG_INTO_BLKA 81
190 #define SCTP_ENTER_USER_RECV 82
191 #define SCTP_USER_RECV_SACKS 83
192 #define SCTP_SORECV_BLOCKSA 84
193 #define SCTP_SORECV_BLOCKSB 85
194 #define SCTP_SORECV_DONE 86
195 #define SCTP_SACK_RWND_UPDATE 87
196 #define SCTP_SORECV_ENTER 88
197 #define SCTP_SORECV_ENTERPL 89
198 #define SCTP_MBUF_INPUT 90
199 #define SCTP_MBUF_IALLOC 91
200 #define SCTP_MBUF_IFREE 92
201 #define SCTP_MBUF_ICOPY 93
202 #define SCTP_MBUF_SPLIT 94
203 #define SCTP_SORCV_FREECTL 95
204 #define SCTP_SORCV_DOESCPY 96
205 #define SCTP_SORCV_DOESLCK 97
206 #define SCTP_SORCV_DOESADJ 98
207 #define SCTP_SORCV_BOTWHILE 99
208 #define SCTP_SORCV_PASSBF 100
209 #define SCTP_SORCV_ADJD 101
210 #define SCTP_UNKNOWN_MAX 102
211 #define SCTP_RANDY_STUFF 103
212 #define SCTP_RANDY_STUFF1 104
213 #define SCTP_STRMOUT_LOG_ASSIGN 105
214 #define SCTP_STRMOUT_LOG_SEND 106
215 #define SCTP_FLIGHT_LOG_DOWN_CA 107
216 #define SCTP_FLIGHT_LOG_UP 108
217 #define SCTP_FLIGHT_LOG_DOWN_GAP 109
218 #define SCTP_FLIGHT_LOG_DOWN_RSND 110
219 #define SCTP_FLIGHT_LOG_UP_RSND 111
220 #define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112
221 #define SCTP_FLIGHT_LOG_DOWN_WP 113
222 #define SCTP_FLIGHT_LOG_UP_REVOKE 114
223 #define SCTP_FLIGHT_LOG_DOWN_PDRP 115
224 #define SCTP_FLIGHT_LOG_DOWN_PMTU 116
225 #define SCTP_SACK_LOG_NORMAL 117
226 #define SCTP_SACK_LOG_EXPRESS 118
227 #define SCTP_MAP_TSN_ENTERS 119
228 #define SCTP_THRESHOLD_CLEAR 120
229 #define SCTP_THRESHOLD_INCR 121
230 #define SCTP_FLIGHT_LOG_DWN_WP_FWD 122
231 #define SCTP_FWD_TSN_CHECK 123
232 #define SCTP_LOG_MAX_TYPES 124
234 * To turn on various logging, you must first enable 'options KTR' and
235 * you might want to bump the entires 'options KTR_ENTRIES=80000'.
236 * To get something to log you define one of the logging defines.
239 * This gets the compile in place, but you still need to turn the
240 * logging flag on too in the sysctl (see in sctp.h).
243 #define SCTP_LOG_EVENT_UNKNOWN 0
244 #define SCTP_LOG_EVENT_CWND 1
245 #define SCTP_LOG_EVENT_BLOCK 2
246 #define SCTP_LOG_EVENT_STRM 3
247 #define SCTP_LOG_EVENT_FR 4
248 #define SCTP_LOG_EVENT_MAP 5
249 #define SCTP_LOG_EVENT_MAXBURST 6
250 #define SCTP_LOG_EVENT_RWND 7
251 #define SCTP_LOG_EVENT_MBCNT 8
252 #define SCTP_LOG_EVENT_SACK 9
253 #define SCTP_LOG_LOCK_EVENT 10
254 #define SCTP_LOG_EVENT_RTT 11
255 #define SCTP_LOG_EVENT_SB 12
256 #define SCTP_LOG_EVENT_NAGLE 13
257 #define SCTP_LOG_EVENT_WAKE 14
258 #define SCTP_LOG_MISC_EVENT 15
259 #define SCTP_LOG_EVENT_CLOSE 16
260 #define SCTP_LOG_EVENT_MBUF 17
261 #define SCTP_LOG_CHUNK_PROC 18
262 #define SCTP_LOG_ERROR_RET 19
264 #define SCTP_LOG_MAX_EVENT 20
266 #define SCTP_LOCK_UNKNOWN 2
269 /* number of associations by default for zone allocation */
270 #define SCTP_MAX_NUM_OF_ASOC 40000
271 /* how many addresses per assoc remote and local */
272 #define SCTP_SCALE_FOR_ADDR 2
274 /* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
275 #define SCTP_DEFAULT_AUTO_ASCONF 1
277 /* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */
278 #define SCTP_DEFAULT_MULTIPLE_ASCONFS 0
280 /* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */
281 #define SCTP_DEFAULT_MOBILITY_BASE 0
283 /* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */
284 #define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
287 * Theshold for rwnd updates, we have to read (sb_hiwat >>
288 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a
289 * window update sack. When we look, we compare the last rwnd we sent vs the
290 * current rwnd. It too must be greater than this value. Using 3 divdes the
291 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need
292 * to read 8k. This seems about right.. I hope :-D.. we do set a
293 * min of a MTU on it so if the rwnd is real small we will insist
294 * on a full MTU of 1500 bytes.
296 #define SCTP_RWND_HIWAT_SHIFT 3
298 /* How much of the rwnd must the
299 * message be taking up to start partial delivery.
300 * We calculate this by shifing the hi_water (recv_win)
301 * left the following .. set to 1, when a message holds
302 * 1/2 the rwnd. If we set it to 2 when a message holds
303 * 1/4 the rwnd...etc..
306 #define SCTP_PARTIAL_DELIVERY_SHIFT 1
309 * default HMAC for cookies, etc... use one of the AUTH HMAC id's
310 * SCTP_HMAC is the HMAC_ID to use
311 * SCTP_SIGNATURE_SIZE is the digest length
313 #define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1
314 #define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1
315 #define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE
318 * the SCTP protocol signature this includes the version number encoded in
319 * the last 4 bits of the signature.
321 #define PROTO_SIGNATURE_A 0x30000000
322 #define SCTP_VERSION_NUMBER 0x3
324 #define MAX_TSN 0xffffffff
325 #define MAX_SEQ 0xffff
327 /* how many executions every N tick's */
328 #define SCTP_ITERATOR_MAX_AT_ONCE 20
330 /* number of clock ticks between iterator executions */
331 #define SCTP_ITERATOR_TICKS 1
334 * option: If you comment out the following you will receive the old behavior
335 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR
336 * happens right away with-out waiting for the flightsize to drop below the
337 * cwnd value (which is reduced by the FR to 1/2 the inflight packets).
339 #define SCTP_IGNORE_CWND_ON_FR 1
342 * Adds implementors guide behavior to only use newest highest update in SACK
343 * gap ack's to figure out if you need to stroke a chunk for FR.
345 #define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
347 /* default max I can burst out after a fast retransmit */
348 #define SCTP_DEF_MAX_BURST 4
349 /* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */
350 #define SCTP_FIRST_MBUF_RESV 68
351 /* Packet transmit states in the sent field */
352 #define SCTP_DATAGRAM_UNSENT 0
353 #define SCTP_DATAGRAM_SENT 1
354 #define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may
356 #define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
358 #define SCTP_DATAGRAM_RESEND 4
359 #define SCTP_DATAGRAM_ACKED 10010
360 #define SCTP_DATAGRAM_MARKED 20010
361 #define SCTP_FORWARD_TSN_SKIP 30010
363 /* chunk output send from locations */
364 #define SCTP_OUTPUT_FROM_USR_SEND 0
365 #define SCTP_OUTPUT_FROM_T3 1
366 #define SCTP_OUTPUT_FROM_INPUT_ERROR 2
367 #define SCTP_OUTPUT_FROM_CONTROL_PROC 3
368 #define SCTP_OUTPUT_FROM_SACK_TMR 4
369 #define SCTP_OUTPUT_FROM_SHUT_TMR 5
370 #define SCTP_OUTPUT_FROM_HB_TMR 6
371 #define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7
372 #define SCTP_OUTPUT_FROM_ASCONF_TMR 8
373 #define SCTP_OUTPUT_FROM_STRRST_TMR 9
374 #define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10
375 #define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11
376 #define SCTP_OUTPUT_FROM_STRRST_REQ 12
377 #define SCTP_OUTPUT_FROM_USR_RCVD 13
378 #define SCTP_OUTPUT_FROM_COOKIE_ACK 14
379 #define SCTP_OUTPUT_FROM_DRAIN 15
380 #define SCTP_OUTPUT_FROM_CLOSING 16
381 /* SCTP chunk types are moved sctp.h for application (NAT, FW) use */
383 /* align to 32-bit sizes */
384 #define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2)
386 #define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
387 #define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
390 /* SCTP parameter types */
391 /*************0x0000 series*************/
392 #define SCTP_HEARTBEAT_INFO 0x0001
393 #define SCTP_IPV4_ADDRESS 0x0005
394 #define SCTP_IPV6_ADDRESS 0x0006
395 #define SCTP_STATE_COOKIE 0x0007
396 #define SCTP_UNRECOG_PARAM 0x0008
397 #define SCTP_COOKIE_PRESERVE 0x0009
398 #define SCTP_HOSTNAME_ADDRESS 0x000b
399 #define SCTP_SUPPORTED_ADDRTYPE 0x000c
401 /* draft-ietf-stewart-tsvwg-strreset-xxx */
402 #define SCTP_STR_RESET_OUT_REQUEST 0x000d
403 #define SCTP_STR_RESET_IN_REQUEST 0x000e
404 #define SCTP_STR_RESET_TSN_REQUEST 0x000f
405 #define SCTP_STR_RESET_RESPONSE 0x0010
406 #define SCTP_STR_RESET_ADD_STREAMS 0x0011
408 #define SCTP_MAX_RESET_PARAMS 2
409 #define SCTP_STREAM_RESET_TSN_DELTA 0x1000
411 /*************0x4000 series*************/
413 /*************0x8000 series*************/
414 #define SCTP_ECN_CAPABLE 0x8000
415 /* ECN Nonce: draft-ladha-sctp-ecn-nonce */
416 #define SCTP_ECN_NONCE_SUPPORTED 0x8001
417 /* draft-ietf-tsvwg-auth-xxx */
418 #define SCTP_RANDOM 0x8002
419 #define SCTP_CHUNK_LIST 0x8003
420 #define SCTP_HMAC_LIST 0x8004
422 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte
423 * | Byte Byte | Byte ...
425 * Where each byte is a chunk type extension supported. For example, to support
426 * all chunks one would have (in hex):
428 * 80 01 00 09 C0 C1 80 81 82 00 00 00
430 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81
431 * = Packet Drop 82 = Stream Reset 83 = Authentication
433 #define SCTP_SUPPORTED_CHUNK_EXT 0x8008
435 /*************0xC000 series*************/
436 #define SCTP_PRSCTP_SUPPORTED 0xc000
437 /* draft-ietf-tsvwg-addip-sctp */
438 #define SCTP_ADD_IP_ADDRESS 0xc001
439 #define SCTP_DEL_IP_ADDRESS 0xc002
440 #define SCTP_ERROR_CAUSE_IND 0xc003
441 #define SCTP_SET_PRIM_ADDR 0xc004
442 #define SCTP_SUCCESS_REPORT 0xc005
443 #define SCTP_ULP_ADAPTATION 0xc006
444 /* behave-nat-draft */
445 #define SCTP_HAS_NAT_SUPPORT 0xc007
446 #define SCTP_NAT_VTAGS 0xc008
448 /* Notification error codes */
449 #define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001
450 #define SCTP_NOTIFY_DATAGRAM_SENT 0x0002
451 #define SCTP_FAILED_THRESHOLD 0x0004
452 #define SCTP_HEARTBEAT_SUCCESS 0x0008
453 #define SCTP_RESPONSE_TO_USER_REQ 0x0010
454 #define SCTP_INTERNAL_ERROR 0x0020
455 #define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040
456 #define SCTP_RECEIVED_SACK 0x0080
457 #define SCTP_PEER_FAULTY 0x0100
458 #define SCTP_ICMP_REFUSED 0x0200
460 /* bits for TOS field */
461 #define SCTP_ECT0_BIT 0x02
462 #define SCTP_ECT1_BIT 0x01
463 #define SCTP_CE_BITS 0x03
465 /* below turns off above */
466 #define SCTP_FLEXIBLE_ADDRESS 0x20
467 #define SCTP_NO_HEARTBEAT 0x40
469 /* mask to get sticky */
470 #define SCTP_STICKY_OPTIONS_MASK 0x0c
474 * SCTP states for internal state machine XXX (should match "user" values)
476 #define SCTP_STATE_EMPTY 0x0000
477 #define SCTP_STATE_INUSE 0x0001
478 #define SCTP_STATE_COOKIE_WAIT 0x0002
479 #define SCTP_STATE_COOKIE_ECHOED 0x0004
480 #define SCTP_STATE_OPEN 0x0008
481 #define SCTP_STATE_SHUTDOWN_SENT 0x0010
482 #define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
483 #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
484 #define SCTP_STATE_SHUTDOWN_PENDING 0x0080
485 #define SCTP_STATE_CLOSED_SOCKET 0x0100
486 #define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200
487 #define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400
488 #define SCTP_STATE_WAS_ABORTED 0x0800
489 #define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000
490 #define SCTP_STATE_MASK 0x007f
492 #define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK)
493 #define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate)
494 #define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate)
495 #define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate)
497 /* SCTP reachability state for each address */
498 #define SCTP_ADDR_REACHABLE 0x001
499 #define SCTP_ADDR_NOT_REACHABLE 0x002
500 #define SCTP_ADDR_NOHB 0x004
501 #define SCTP_ADDR_BEING_DELETED 0x008
502 #define SCTP_ADDR_NOT_IN_ASSOC 0x010
503 #define SCTP_ADDR_WAS_PRIMARY 0x020
504 #define SCTP_ADDR_SWITCH_PRIMARY 0x040
505 #define SCTP_ADDR_OUT_OF_SCOPE 0x080
506 #define SCTP_ADDR_DOUBLE_SWITCH 0x100
507 #define SCTP_ADDR_UNCONFIRMED 0x200
508 #define SCTP_ADDR_REQ_PRIMARY 0x400
509 /* JRS 5/13/07 - Added potentially failed state for CMT PF */
510 #define SCTP_ADDR_PF 0x800
511 #define SCTP_REACHABLE_MASK 0x203
513 /* bound address types (e.g. valid address types to allow) */
514 #define SCTP_BOUND_V6 0x01
515 #define SCTP_BOUND_V4 0x02
518 * what is the default number of mbufs in a chain I allow before switching to
521 #define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
523 /* How long a cookie lives in milli-seconds */
524 #define SCTP_DEFAULT_COOKIE_LIFE 60000
526 /* resource limit of streams */
527 #define MAX_SCTP_STREAMS 2048
529 /* Maximum the mapping array will grow to (TSN mapping array) */
530 #define SCTP_MAPPING_ARRAY 512
532 /* size of the inital malloc on the mapping array */
533 #define SCTP_INITIAL_MAPPING_ARRAY 16
534 /* how much we grow the mapping array each call */
535 #define SCTP_MAPPING_ARRAY_INCR 32
538 * Here we define the timer types used by the implementation as arguments in
539 * the set/get timer type calls.
541 #define SCTP_TIMER_INIT 0
542 #define SCTP_TIMER_RECV 1
543 #define SCTP_TIMER_SEND 2
544 #define SCTP_TIMER_HEARTBEAT 3
545 #define SCTP_TIMER_PMTU 4
546 #define SCTP_TIMER_MAXSHUTDOWN 5
547 #define SCTP_TIMER_SIGNATURE 6
549 * number of timer types in the base SCTP structure used in the set/get and
550 * has the base default.
552 #define SCTP_NUM_TMRS 7
555 #define SCTP_TIMER_TYPE_NONE 0
556 #define SCTP_TIMER_TYPE_SEND 1
557 #define SCTP_TIMER_TYPE_INIT 2
558 #define SCTP_TIMER_TYPE_RECV 3
559 #define SCTP_TIMER_TYPE_SHUTDOWN 4
560 #define SCTP_TIMER_TYPE_HEARTBEAT 5
561 #define SCTP_TIMER_TYPE_COOKIE 6
562 #define SCTP_TIMER_TYPE_NEWCOOKIE 7
563 #define SCTP_TIMER_TYPE_PATHMTURAISE 8
564 #define SCTP_TIMER_TYPE_SHUTDOWNACK 9
565 #define SCTP_TIMER_TYPE_ASCONF 10
566 #define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
567 #define SCTP_TIMER_TYPE_AUTOCLOSE 12
568 #define SCTP_TIMER_TYPE_EVENTWAKE 13
569 #define SCTP_TIMER_TYPE_STRRESET 14
570 #define SCTP_TIMER_TYPE_INPKILL 15
571 #define SCTP_TIMER_TYPE_EARLYFR 17
572 #define SCTP_TIMER_TYPE_ASOCKILL 18
573 #define SCTP_TIMER_TYPE_ADDR_WQ 19
574 #define SCTP_TIMER_TYPE_ZERO_COPY 20
575 #define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21
576 #define SCTP_TIMER_TYPE_PRIM_DELETED 22
577 /* add new timers here - and increment LAST */
578 #define SCTP_TIMER_TYPE_LAST 23
580 #define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
581 ((t) < SCTP_TIMER_TYPE_LAST))
585 /* max number of TSN's dup'd that I will hold */
586 #define SCTP_MAX_DUP_TSNS 20
589 * Here we define the types used when setting the retry amounts.
591 /* How many drop re-attempts we make on INIT/COOKIE-ECHO */
592 #define SCTP_RETRY_DROPPED_THRESH 4
595 * Maxmium number of chunks a single association can have on it. Note that
596 * this is a squishy number since the count can run over this if the user
597 * sends a large message down .. the fragmented chunks don't count until
598 * AFTER the message is on queue.. it would be the next send that blocks
599 * things. This number will get tuned up at boot in the sctp_init and use the
600 * number of clusters as a base. This way high bandwidth environments will
601 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks
603 #define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
606 /* The conversion from time to ticks and vice versa is done by rounding
607 * upwards. This way we can test in the code the time to be positive and
608 * know that this corresponds to a positive number of ticks.
610 #define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000))
611 #define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz))
613 #define SEC_TO_TICKS(x) ((x) * hz)
614 #define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz)
617 * Basically the minimum amount of time before I do a early FR. Making this
618 * value to low will cause duplicate retransmissions.
620 #define SCTP_MINFR_MSEC_TIMER 250
621 /* The floor this value is allowed to fall to when starting a timer. */
622 #define SCTP_MINFR_MSEC_FLOOR 20
624 /* init timer def = 1 sec */
625 #define SCTP_INIT_SEC 1
627 /* send timer def = 1 seconds */
628 #define SCTP_SEND_SEC 1
630 /* recv timer def = 200ms */
631 #define SCTP_RECV_MSEC 200
633 /* 30 seconds + RTO (in ms) */
634 #define SCTP_HB_DEFAULT_MSEC 30000
636 /* Max time I will wait for Shutdown to complete */
637 #define SCTP_DEF_MAX_SHUTDOWN_SEC 180
641 * This is how long a secret lives, NOT how long a cookie lives how many
642 * ticks the current secret will live.
644 #define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
646 #define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
647 #define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */
648 #define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */
649 #define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
652 #define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */
653 #define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */
655 #define SCTP_DEF_MAX_INIT 8
656 #define SCTP_DEF_MAX_SEND 10
657 #define SCTP_DEF_MAX_PATH_RTX 5
659 #define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
662 /* How many streams I request initally by default */
663 #define SCTP_OSTREAM_INITIAL 10
666 * How many smallest_mtu's need to increase before a window update sack is
667 * sent (should be a power of 2).
669 /* Send window update (incr * this > hiwat). Should be a power of 2 */
670 #define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
672 #define SCTP_ADDRMAX 24
674 /* SCTP DEBUG Switch parameters */
675 #define SCTP_DEBUG_TIMER1 0x00000001
676 #define SCTP_DEBUG_TIMER2 0x00000002 /* unused */
677 #define SCTP_DEBUG_TIMER3 0x00000004 /* unused */
678 #define SCTP_DEBUG_TIMER4 0x00000008
679 #define SCTP_DEBUG_OUTPUT1 0x00000010
680 #define SCTP_DEBUG_OUTPUT2 0x00000020
681 #define SCTP_DEBUG_OUTPUT3 0x00000040
682 #define SCTP_DEBUG_OUTPUT4 0x00000080
683 #define SCTP_DEBUG_UTIL1 0x00000100
684 #define SCTP_DEBUG_UTIL2 0x00000200 /* unused */
685 #define SCTP_DEBUG_AUTH1 0x00000400
686 #define SCTP_DEBUG_AUTH2 0x00000800 /* unused */
687 #define SCTP_DEBUG_INPUT1 0x00001000
688 #define SCTP_DEBUG_INPUT2 0x00002000
689 #define SCTP_DEBUG_INPUT3 0x00004000
690 #define SCTP_DEBUG_INPUT4 0x00008000 /* unused */
691 #define SCTP_DEBUG_ASCONF1 0x00010000
692 #define SCTP_DEBUG_ASCONF2 0x00020000
693 #define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */
694 #define SCTP_DEBUG_XXX 0x00080000 /* unused */
695 #define SCTP_DEBUG_PCB1 0x00100000
696 #define SCTP_DEBUG_PCB2 0x00200000 /* unused */
697 #define SCTP_DEBUG_PCB3 0x00400000
698 #define SCTP_DEBUG_PCB4 0x00800000
699 #define SCTP_DEBUG_INDATA1 0x01000000
700 #define SCTP_DEBUG_INDATA2 0x02000000 /* unused */
701 #define SCTP_DEBUG_INDATA3 0x04000000 /* unused */
702 #define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */
703 #define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */
704 #define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */
705 #define SCTP_DEBUG_PEEL1 0x40000000
706 #define SCTP_DEBUG_XXXXX 0x80000000 /* unused */
707 #define SCTP_DEBUG_ALL 0x7ff3ffff
708 #define SCTP_DEBUG_NOISY 0x00040000
710 /* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
711 #define SCTP_SWS_SENDER_DEF 1420
714 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1
715 * would be hiwat/2 etc.
717 /* What receiver needs to see in sockbuf or we tell peer its 1 */
718 #define SCTP_SWS_RECEIVER_DEF 3000
720 #define SCTP_INITIAL_CWND 4380
722 #define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */
723 /* amount peer is obligated to have in rwnd or I will abort */
724 #define SCTP_MIN_RWND 1500
726 #define SCTP_DEFAULT_MAXSEGMENT 65535
728 #define SCTP_CHUNK_BUFFER_SIZE 512
729 #define SCTP_PARAM_BUFFER_SIZE 512
731 /* small chunk store for looking at chunk_list in auth */
732 #define SCTP_SMALL_CHUNK_STORE 260
734 #define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
735 #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
737 #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
738 #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
742 * SCTP upper layer notifications
744 #define SCTP_NOTIFY_ASSOC_UP 1
745 #define SCTP_NOTIFY_ASSOC_DOWN 2
746 #define SCTP_NOTIFY_INTERFACE_DOWN 3
747 #define SCTP_NOTIFY_INTERFACE_UP 4
748 #define SCTP_NOTIFY_DG_FAIL 5
749 #define SCTP_NOTIFY_STRDATA_ERR 6
750 #define SCTP_NOTIFY_ASSOC_ABORTED 7
751 #define SCTP_NOTIFY_PEER_OPENED_STREAM 8
752 #define SCTP_NOTIFY_STREAM_OPENED_OK 9
753 #define SCTP_NOTIFY_ASSOC_RESTART 10
754 #define SCTP_NOTIFY_HB_RESP 11
755 #define SCTP_NOTIFY_ASCONF_SUCCESS 12
756 #define SCTP_NOTIFY_ASCONF_FAILED 13
757 #define SCTP_NOTIFY_PEER_SHUTDOWN 14
758 #define SCTP_NOTIFY_ASCONF_ADD_IP 15
759 #define SCTP_NOTIFY_ASCONF_DELETE_IP 16
760 #define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17
761 #define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18
762 #define SCTP_NOTIFY_INTERFACE_CONFIRMED 20
763 #define SCTP_NOTIFY_STR_RESET_RECV 21
764 #define SCTP_NOTIFY_STR_RESET_SEND 22
765 #define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23
766 #define SCTP_NOTIFY_STR_RESET_FAILED_IN 24
767 #define SCTP_NOTIFY_AUTH_NEW_KEY 25
768 #define SCTP_NOTIFY_AUTH_FREE_KEY 26
769 #define SCTP_NOTIFY_SPECIAL_SP_FAIL 27
770 #define SCTP_NOTIFY_NO_PEER_AUTH 28
771 #define SCTP_NOTIFY_SENDER_DRY 29
772 #define SCTP_NOTIFY_STR_RESET_ADD_OK 30
773 #define SCTP_NOTIFY_STR_RESET_ADD_FAIL 31
774 #define SCTP_NOTIFY_STR_RESET_INSTREAM_ADD_OK 32
775 #define SCTP_NOTIFY_MAX 32
778 /* This is the value for messages that are NOT completely
779 * copied down where we will start to split the message.
780 * So, with our default, we split only if the piece we
781 * want to take will fill up a full MTU (assuming
784 #define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
786 /* ABORT CODES and other tell-tale location
787 * codes are generated by adding the below
788 * to the instance id.
792 #define SCTP_FROM_SCTP_INPUT 0x10000000
793 #define SCTP_FROM_SCTP_PCB 0x20000000
794 #define SCTP_FROM_SCTP_INDATA 0x30000000
795 #define SCTP_FROM_SCTP_TIMER 0x40000000
796 #define SCTP_FROM_SCTP_USRREQ 0x50000000
797 #define SCTP_FROM_SCTPUTIL 0x60000000
798 #define SCTP_FROM_SCTP6_USRREQ 0x70000000
799 #define SCTP_FROM_SCTP_ASCONF 0x80000000
800 #define SCTP_FROM_SCTP_OUTPUT 0x90000000
801 #define SCTP_FROM_SCTP_PEELOFF 0xa0000000
802 #define SCTP_FROM_SCTP_PANDA 0xb0000000
803 #define SCTP_FROM_SCTP_SYSCTL 0xc0000000
806 #define SCTP_LOC_1 0x00000001
807 #define SCTP_LOC_2 0x00000002
808 #define SCTP_LOC_3 0x00000003
809 #define SCTP_LOC_4 0x00000004
810 #define SCTP_LOC_5 0x00000005
811 #define SCTP_LOC_6 0x00000006
812 #define SCTP_LOC_7 0x00000007
813 #define SCTP_LOC_8 0x00000008
814 #define SCTP_LOC_9 0x00000009
815 #define SCTP_LOC_10 0x0000000a
816 #define SCTP_LOC_11 0x0000000b
817 #define SCTP_LOC_12 0x0000000c
818 #define SCTP_LOC_13 0x0000000d
819 #define SCTP_LOC_14 0x0000000e
820 #define SCTP_LOC_15 0x0000000f
821 #define SCTP_LOC_16 0x00000010
822 #define SCTP_LOC_17 0x00000011
823 #define SCTP_LOC_18 0x00000012
824 #define SCTP_LOC_19 0x00000013
825 #define SCTP_LOC_20 0x00000014
826 #define SCTP_LOC_21 0x00000015
827 #define SCTP_LOC_22 0x00000016
828 #define SCTP_LOC_23 0x00000017
829 #define SCTP_LOC_24 0x00000018
830 #define SCTP_LOC_25 0x00000019
831 #define SCTP_LOC_26 0x0000001a
832 #define SCTP_LOC_27 0x0000001b
833 #define SCTP_LOC_28 0x0000001c
834 #define SCTP_LOC_29 0x0000001d
835 #define SCTP_LOC_30 0x0000001e
836 #define SCTP_LOC_31 0x0000001f
837 #define SCTP_LOC_32 0x00000020
838 #define SCTP_LOC_33 0x00000021
841 /* Free assoc codes */
842 #define SCTP_NORMAL_PROC 0
843 #define SCTP_PCBFREE_NOFORCE 1
844 #define SCTP_PCBFREE_FORCE 2
846 /* From codes for adding addresses */
847 #define SCTP_ADDR_IS_CONFIRMED 8
848 #define SCTP_ADDR_DYNAMIC_ADDED 6
849 #define SCTP_IN_COOKIE_PROC 100
850 #define SCTP_ALLOC_ASOC 1
851 #define SCTP_LOAD_ADDR_2 2
852 #define SCTP_LOAD_ADDR_3 3
853 #define SCTP_LOAD_ADDR_4 4
854 #define SCTP_LOAD_ADDR_5 5
856 #define SCTP_DONOT_SETSCOPE 0
857 #define SCTP_DO_SETSCOPE 1
860 /* This value determines the default for when
861 * we try to add more on the send queue., if
862 * there is room. This prevents us from cycling
863 * into the copy_resume routine to often if
864 * we have not got enough space to add a decent
865 * enough size message. Note that if we have enough
866 * space to complete the message copy we will always
867 * add to the message, no matter what the size. Its
868 * only when we reach the point that we have some left
869 * to add, there is only room for part of it that we
870 * will use this threshold. Its also a sysctl.
872 #define SCTP_DEFAULT_ADD_MORE 1452
874 #ifndef SCTP_PCBHASHSIZE
875 /* default number of association hash buckets in each endpoint */
876 #define SCTP_PCBHASHSIZE 256
878 #ifndef SCTP_TCBHASHSIZE
879 #define SCTP_TCBHASHSIZE 1024
882 #ifndef SCTP_CHUNKQUEUE_SCALE
883 #define SCTP_CHUNKQUEUE_SCALE 10
886 /* clock variance is 1 ms */
887 #define SCTP_CLOCK_GRANULARITY 1
888 #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this
889 * detracts a small amount for ipv4 but it
890 * simplifies the ipv6 addition */
892 /* Argument magic number for sctp_inpcb_free() */
895 #define SCTP_CALLED_DIRECTLY_NOCMPSET 0
896 #define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
897 #define SCTP_CALLED_FROM_INPKILL_TIMER 2
898 /* second argument */
899 #define SCTP_FREE_SHOULD_USE_ABORT 1
900 #define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
903 #define IPPROTO_SCTP 132 /* the Official IANA number :-) */
904 #endif /* !IPPROTO_SCTP */
906 #define SCTP_MAX_DATA_BUNDLING 256
908 /* modular comparison */
909 /* True if a > b (mod = M) */
910 #define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \
911 ((b > a) && ((b - a) > ((M >> 1) + 1))))
914 /* Mapping array manipulation routines */
915 #define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
916 #define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
917 #define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
918 #define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \
919 if (tsn >= mapping_tsn) { \
920 gap = tsn - mapping_tsn; \
922 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \
927 #define SCTP_RETRAN_DONE -1
928 #define SCTP_RETRAN_EXIT -2
931 * This value defines the number of vtag block time wait entry's per list
932 * element. Each entry will take 2 4 byte ints (and of course the overhead
933 * of the next pointer as well). Using 15 as an example will yield * ((8 *
934 * 15) + 8) or 128 bytes of overhead for each timewait block that gets
935 * initialized. Increasing it to 31 would yeild 256 bytes per block.
937 #define SCTP_NUMBER_IN_VTAG_BLOCK 15
939 * If we use the STACK option, we have an array of this size head pointers.
940 * This array is mod'd the with the size to find which bucket and then all
941 * entries must be searched to see if the tag is in timed wait. If so we
944 #define SCTP_STACK_VTAG_HASH_SIZE 32
947 * Number of seconds of time wait for a vtag.
949 #define SCTP_TIME_WAIT 60
951 #define SCTP_SEND_BUFFER_SPLITTING 0x00000001
952 #define SCTP_RECV_BUFFER_SPLITTING 0x00000002
954 /* The system retains a cache of free chunks such to
955 * cut down on calls the memory allocation system. There
956 * is a per association limit of free items and a overall
957 * system limit. If either one gets hit then the resource
958 * stops being cached.
961 #define SCTP_DEF_ASOC_RESC_LIMIT 10
962 #define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
965 * defines for socket lock states.
966 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING
968 #define SCTP_SO_LOCKED 1
969 #define SCTP_SO_NOT_LOCKED 0
972 #define SCTP_HOLDS_LOCK 1
973 #define SCTP_NOT_LOCKED 0
976 * For address locks, do we hold the lock?
978 #define SCTP_ADDR_LOCKED 1
979 #define SCTP_ADDR_NOT_LOCKED 0
981 #define IN4_ISPRIVATE_ADDRESS(a) \
982 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \
983 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \
984 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \
985 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
986 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \
987 (((uint8_t *)&(a)->s_addr)[1] == 168)))
989 #define IN4_ISLOOPBACK_ADDRESS(a) \
990 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \
991 (((uint8_t *)&(a)->s_addr)[1] == 0) && \
992 (((uint8_t *)&(a)->s_addr)[2] == 0) && \
993 (((uint8_t *)&(a)->s_addr)[3] == 1))
998 #define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
999 #define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
1001 /*#if defined(__FreeBSD__) || defined(__APPLE__)*/
1002 /*#define SCTP_GETTIME_TIMEVAL(x) { \*/
1003 /* (x)->tv_sec = ticks / 1000; \*/
1004 /* (x)->tv_usec = (ticks % 1000) * 1000; \*/
1008 /*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/
1009 /*#endif __FreeBSD__ */
1011 #if defined(_KERNEL) || defined(__Userspace__)
1012 #define sctp_sowwakeup(inp, so) \
1014 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1015 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1021 #define sctp_sowwakeup_locked(inp, so) \
1023 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1024 SOCKBUF_UNLOCK(&((so)->so_snd)); \
1025 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1027 sowwakeup_locked(so); \
1031 #define sctp_sorwakeup(inp, so) \
1033 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1034 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1040 #define sctp_sorwakeup_locked(inp, so) \
1042 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1043 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1044 SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1046 sorwakeup_locked(so); \
1050 #endif /* _KERNEL || __Userspace__ */