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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 /* Number of packets to get before sack sent by default */
40 #define SCTP_DEFAULT_SACK_FREQ 2
42 /* Address limit - This variable is calculated
43 * based on an 65535 byte max ip packet. We take out 100 bytes
44 * for the cookie, 40 bytes for a v6 header and 32
45 * bytes for the init structure. A second init structure
46 * for the init-ack and then finally a third one for the
47 * imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes.
48 * This leaves 65299 bytes for addresses. We throw out the 299 bytes.
49 * Now whatever we send in the INIT() we need to allow to get back in the
50 * INIT-ACK plus all the values from INIT and INIT-ACK
51 * listed in the cookie. Plus we need some overhead for
52 * maybe copied parameters in the COOKIE. If we
53 * allow 1080 addresses, and each side has 1080 V6 addresses
54 * that will be 21600 bytes. In the INIT-ACK we will
55 * see the INIT-ACK 21600 + 43200 in the cookie. This leaves
56 * about 500 bytes slack for misc things in the cookie.
58 #define SCTP_ADDRESS_LIMIT 1080
60 /* We need at least 2k of space for us, inits
61 * larger than that lets abort.
63 #define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048)
65 /* Number of addresses where we just skip the counting */
66 #define SCTP_COUNT_LIMIT 40
68 #define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000)
69 #define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000)
71 /* Number of ticks to delay before running
72 * iterator on an address change.
74 #define SCTP_ADDRESS_TICK_DELAY 2
76 #define SCTP_VERSION_STRING "KAME-BSD 1.1"
77 /* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */
78 #define SCTP_AUDIT_SIZE 256
80 #define SCTP_USE_THREAD_BASED_ITERATOR 1
82 #define SCTP_KTRHEAD_NAME "sctp_iterator"
83 #define SCTP_KTHREAD_PAGES 2
86 /* If you support Multi-VRF how big to
87 * make the initial array of VRF's to.
89 #define SCTP_DEFAULT_VRF_SIZE 4
91 /* constants for rto calc */
92 #define sctp_align_safe_nocopy 0
93 #define sctp_align_unsafe_makecopy 1
95 /* JRS - Values defined for the HTCP algorithm */
96 #define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
97 #define BETA_MIN (1<<6) /* 0.5 with shift << 7 */
98 #define BETA_MAX 102 /* 0.8 with shift << 7 */
100 /* Places that CWND log can happen from */
101 #define SCTP_CWND_LOG_FROM_FR 1
102 #define SCTP_CWND_LOG_FROM_RTX 2
103 #define SCTP_CWND_LOG_FROM_BRST 3
104 #define SCTP_CWND_LOG_FROM_SS 4
105 #define SCTP_CWND_LOG_FROM_CA 5
106 #define SCTP_CWND_LOG_FROM_SAT 6
107 #define SCTP_BLOCK_LOG_INTO_BLK 7
108 #define SCTP_BLOCK_LOG_OUTOF_BLK 8
109 #define SCTP_BLOCK_LOG_CHECK 9
110 #define SCTP_STR_LOG_FROM_INTO_STRD 10
111 #define SCTP_STR_LOG_FROM_IMMED_DEL 11
112 #define SCTP_STR_LOG_FROM_INSERT_HD 12
113 #define SCTP_STR_LOG_FROM_INSERT_MD 13
114 #define SCTP_STR_LOG_FROM_INSERT_TL 14
115 #define SCTP_STR_LOG_FROM_MARK_TSN 15
116 #define SCTP_STR_LOG_FROM_EXPRS_DEL 16
117 #define SCTP_FR_LOG_BIGGEST_TSNS 17
118 #define SCTP_FR_LOG_STRIKE_TEST 18
119 #define SCTP_FR_LOG_STRIKE_CHUNK 19
120 #define SCTP_FR_T3_TIMEOUT 20
121 #define SCTP_MAP_PREPARE_SLIDE 21
122 #define SCTP_MAP_SLIDE_FROM 22
123 #define SCTP_MAP_SLIDE_RESULT 23
124 #define SCTP_MAP_SLIDE_CLEARED 24
125 #define SCTP_MAP_SLIDE_NONE 25
126 #define SCTP_FR_T3_MARK_TIME 26
127 #define SCTP_FR_T3_MARKED 27
128 #define SCTP_FR_T3_STOPPED 28
129 #define SCTP_FR_MARKED 30
130 #define SCTP_CWND_LOG_NOADV_SS 31
131 #define SCTP_CWND_LOG_NOADV_CA 32
132 #define SCTP_MAX_BURST_APPLIED 33
133 #define SCTP_MAX_IFP_APPLIED 34
134 #define SCTP_MAX_BURST_ERROR_STOP 35
135 #define SCTP_INCREASE_PEER_RWND 36
136 #define SCTP_DECREASE_PEER_RWND 37
137 #define SCTP_SET_PEER_RWND_VIA_SACK 38
138 #define SCTP_LOG_MBCNT_INCREASE 39
139 #define SCTP_LOG_MBCNT_DECREASE 40
140 #define SCTP_LOG_MBCNT_CHKSET 41
141 #define SCTP_LOG_NEW_SACK 42
142 #define SCTP_LOG_TSN_ACKED 43
143 #define SCTP_LOG_TSN_REVOKED 44
144 #define SCTP_LOG_LOCK_TCB 45
145 #define SCTP_LOG_LOCK_INP 46
146 #define SCTP_LOG_LOCK_SOCK 47
147 #define SCTP_LOG_LOCK_SOCKBUF_R 48
148 #define SCTP_LOG_LOCK_SOCKBUF_S 49
149 #define SCTP_LOG_LOCK_CREATE 50
150 #define SCTP_LOG_INITIAL_RTT 51
151 #define SCTP_LOG_RTTVAR 52
152 #define SCTP_LOG_SBALLOC 53
153 #define SCTP_LOG_SBFREE 54
154 #define SCTP_LOG_SBRESULT 55
155 #define SCTP_FR_DUPED 56
156 #define SCTP_FR_MARKED_EARLY 57
157 #define SCTP_FR_CWND_REPORT 58
158 #define SCTP_FR_CWND_REPORT_START 59
159 #define SCTP_FR_CWND_REPORT_STOP 60
160 #define SCTP_CWND_LOG_FROM_SEND 61
161 #define SCTP_CWND_INITIALIZATION 62
162 #define SCTP_CWND_LOG_FROM_T3 63
163 #define SCTP_CWND_LOG_FROM_SACK 64
164 #define SCTP_CWND_LOG_NO_CUMACK 65
165 #define SCTP_CWND_LOG_FROM_RESEND 66
166 #define SCTP_FR_LOG_CHECK_STRIKE 67
167 #define SCTP_SEND_NOW_COMPLETES 68
168 #define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69
169 #define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70
170 #define SCTP_LOG_FREE_SENT 71
171 #define SCTP_NAGLE_APPLIED 72
172 #define SCTP_NAGLE_SKIPPED 73
173 #define SCTP_WAKESND_FROM_SACK 74
174 #define SCTP_WAKESND_FROM_FWDTSN 75
175 #define SCTP_NOWAKE_FROM_SACK 76
176 #define SCTP_CWNDLOG_PRESEND 77
177 #define SCTP_CWNDLOG_ENDSEND 78
178 #define SCTP_AT_END_OF_SACK 79
179 #define SCTP_REASON_FOR_SC 80
180 #define SCTP_BLOCK_LOG_INTO_BLKA 81
181 #define SCTP_ENTER_USER_RECV 82
182 #define SCTP_USER_RECV_SACKS 83
183 #define SCTP_SORECV_BLOCKSA 84
184 #define SCTP_SORECV_BLOCKSB 85
185 #define SCTP_SORECV_DONE 86
186 #define SCTP_SACK_RWND_UPDATE 87
187 #define SCTP_SORECV_ENTER 88
188 #define SCTP_SORECV_ENTERPL 89
189 #define SCTP_MBUF_INPUT 90
190 #define SCTP_MBUF_IALLOC 91
191 #define SCTP_MBUF_IFREE 92
192 #define SCTP_MBUF_ICOPY 93
193 #define SCTP_MBUF_SPLIT 94
194 #define SCTP_SORCV_FREECTL 95
195 #define SCTP_SORCV_DOESCPY 96
196 #define SCTP_SORCV_DOESLCK 97
197 #define SCTP_SORCV_DOESADJ 98
198 #define SCTP_SORCV_BOTWHILE 99
199 #define SCTP_SORCV_PASSBF 100
200 #define SCTP_SORCV_ADJD 101
201 #define SCTP_UNKNOWN_MAX 102
202 #define SCTP_RANDY_STUFF 103
203 #define SCTP_RANDY_STUFF1 104
204 #define SCTP_STRMOUT_LOG_ASSIGN 105
205 #define SCTP_STRMOUT_LOG_SEND 106
206 #define SCTP_FLIGHT_LOG_DOWN_CA 107
207 #define SCTP_FLIGHT_LOG_UP 108
208 #define SCTP_FLIGHT_LOG_DOWN_GAP 109
209 #define SCTP_FLIGHT_LOG_DOWN_RSND 110
210 #define SCTP_FLIGHT_LOG_UP_RSND 111
211 #define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112
212 #define SCTP_FLIGHT_LOG_DOWN_WP 113
213 #define SCTP_FLIGHT_LOG_UP_REVOKE 114
214 #define SCTP_FLIGHT_LOG_DOWN_PDRP 115
215 #define SCTP_FLIGHT_LOG_DOWN_PMTU 116
216 #define SCTP_SACK_LOG_NORMAL 117
217 #define SCTP_SACK_LOG_EXPRESS 118
218 #define SCTP_MAP_TSN_ENTERS 119
219 #define SCTP_THRESHOLD_CLEAR 120
220 #define SCTP_THRESHOLD_INCR 121
222 #define SCTP_LOG_MAX_TYPES 122
224 * To turn on various logging, you must first enable 'options KTR' and
225 * you might want to bump the entires 'options KTR_ENTRIES=80000'.
226 * To get something to log you define one of the logging defines.
229 * This gets the compile in place, but you still need to turn the
230 * logging flag on too in the sysctl (see in sctp.h).
233 #define SCTP_LOG_EVENT_UNKNOWN 0
234 #define SCTP_LOG_EVENT_CWND 1
235 #define SCTP_LOG_EVENT_BLOCK 2
236 #define SCTP_LOG_EVENT_STRM 3
237 #define SCTP_LOG_EVENT_FR 4
238 #define SCTP_LOG_EVENT_MAP 5
239 #define SCTP_LOG_EVENT_MAXBURST 6
240 #define SCTP_LOG_EVENT_RWND 7
241 #define SCTP_LOG_EVENT_MBCNT 8
242 #define SCTP_LOG_EVENT_SACK 9
243 #define SCTP_LOG_LOCK_EVENT 10
244 #define SCTP_LOG_EVENT_RTT 11
245 #define SCTP_LOG_EVENT_SB 12
246 #define SCTP_LOG_EVENT_NAGLE 13
247 #define SCTP_LOG_EVENT_WAKE 14
248 #define SCTP_LOG_MISC_EVENT 15
249 #define SCTP_LOG_EVENT_CLOSE 16
250 #define SCTP_LOG_EVENT_MBUF 17
251 #define SCTP_LOG_CHUNK_PROC 18
252 #define SCTP_LOG_ERROR_RET 19
254 #define SCTP_LOG_MAX_EVENT 20
256 #define SCTP_LOCK_UNKNOWN 2
259 /* number of associations by default for zone allocation */
260 #define SCTP_MAX_NUM_OF_ASOC 40000
261 /* how many addresses per assoc remote and local */
262 #define SCTP_SCALE_FOR_ADDR 2
264 /* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
265 #if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF)
266 #define SCTP_DEFAULT_AUTO_ASCONF 0
268 #define SCTP_DEFAULT_AUTO_ASCONF 1
271 /* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */
272 #if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_BASE)
273 #define SCTP_DEFAULT_MOBILITY_BASE 0
275 #define SCTP_DEFAULT_MOBILITY_BASE 0
278 /* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */
279 #if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_FASTHANDOFF)
280 #define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
282 #define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
286 * Theshold for rwnd updates, we have to read (sb_hiwat >>
287 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a
288 * window update sack. When we look, we compare the last rwnd we sent vs the
289 * current rwnd. It too must be greater than this value. Using 3 divdes the
290 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need
291 * to read 8k. This seems about right.. I hope :-D.. we do set a
292 * min of a MTU on it so if the rwnd is real small we will insist
293 * on a full MTU of 1500 bytes.
295 #define SCTP_RWND_HIWAT_SHIFT 3
297 /* How much of the rwnd must the
298 * message be taking up to start partial delivery.
299 * We calculate this by shifing the hi_water (recv_win)
300 * left the following .. set to 1, when a message holds
301 * 1/2 the rwnd. If we set it to 2 when a message holds
302 * 1/4 the rwnd...etc..
305 #define SCTP_PARTIAL_DELIVERY_SHIFT 1
307 /* Minimum number of bytes read by user before we
308 * condsider doing a rwnd update
310 #define SCTP_MIN_READ_BEFORE_CONSIDERING 3000
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
321 /* DEFINE HERE WHAT CRC YOU WANT TO USE */
322 #define SCTP_USECRC_RFC2960 1
323 /* #define SCTP_USECRC_FLETCHER 1 */
324 /* #define SCTP_USECRC_SSHCRC32 1 */
325 /* #define SCTP_USECRC_FASTCRC32 1 */
326 /* #define SCTP_USECRC_CRC32 1 */
327 /* #define SCTP_USECRC_TCP32 1 */
328 /* #define SCTP_USECRC_CRC16SMAL 1 */
329 /* #define SCTP_USECRC_CRC16 1 */
330 /* #define SCTP_USECRC_MODADLER 1 */
332 #ifndef SCTP_ADLER32_BASE
333 #define SCTP_ADLER32_BASE 65521
337 * the SCTP protocol signature this includes the version number encoded in
338 * the last 4 bits of the signature.
340 #define PROTO_SIGNATURE_A 0x30000000
341 #define SCTP_VERSION_NUMBER 0x3
343 #define MAX_TSN 0xffffffff
344 #define MAX_SEQ 0xffff
346 /* how many executions every N tick's */
347 #define SCTP_ITERATOR_MAX_AT_ONCE 20
349 /* number of clock ticks between iterator executions */
350 #define SCTP_ITERATOR_TICKS 1
353 * option: If you comment out the following you will receive the old behavior
354 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR
355 * happens right away with-out waiting for the flightsize to drop below the
356 * cwnd value (which is reduced by the FR to 1/2 the inflight packets).
358 #define SCTP_IGNORE_CWND_ON_FR 1
361 * Adds implementors guide behavior to only use newest highest update in SACK
362 * gap ack's to figure out if you need to stroke a chunk for FR.
364 #define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
366 /* default max I can burst out after a fast retransmit */
367 #define SCTP_DEF_MAX_BURST 4
368 /* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */
369 #define SCTP_FIRST_MBUF_RESV 68
370 /* Packet transmit states in the sent field */
371 #define SCTP_DATAGRAM_UNSENT 0
372 #define SCTP_DATAGRAM_SENT 1
373 #define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may
375 #define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
377 #define SCTP_DATAGRAM_RESEND 4
378 #define SCTP_DATAGRAM_ACKED 10010
379 #define SCTP_DATAGRAM_INBOUND 10011
380 #define SCTP_READY_TO_TRANSMIT 10012
381 #define SCTP_DATAGRAM_MARKED 20010
382 #define SCTP_FORWARD_TSN_SKIP 30010
384 /* chunk output send from locations */
385 #define SCTP_OUTPUT_FROM_USR_SEND 0
386 #define SCTP_OUTPUT_FROM_T3 1
387 #define SCTP_OUTPUT_FROM_INPUT_ERROR 2
388 #define SCTP_OUTPUT_FROM_CONTROL_PROC 3
389 #define SCTP_OUTPUT_FROM_SACK_TMR 4
390 #define SCTP_OUTPUT_FROM_SHUT_TMR 5
391 #define SCTP_OUTPUT_FROM_HB_TMR 6
392 #define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7
393 #define SCTP_OUTPUT_FROM_ASCONF_TMR 8
394 #define SCTP_OUTPUT_FROM_STRRST_TMR 9
395 #define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10
396 #define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11
397 #define SCTP_OUTPUT_FROM_STRRST_REQ 12
398 #define SCTP_OUTPUT_FROM_USR_RCVD 13
399 #define SCTP_OUTPUT_FROM_COOKIE_ACK 14
400 #define SCTP_OUTPUT_FROM_DRAIN 15
401 #define SCTP_OUTPUT_FROM_CLOSING 16
402 /* SCTP chunk types are moved sctp.h for application (NAT, FW) use */
404 /* align to 32-bit sizes */
405 #define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2)
407 #define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
408 #define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
411 /* SCTP parameter types */
412 /*************0x0000 series*************/
413 #define SCTP_HEARTBEAT_INFO 0x0001
414 #define SCTP_IPV4_ADDRESS 0x0005
415 #define SCTP_IPV6_ADDRESS 0x0006
416 #define SCTP_STATE_COOKIE 0x0007
417 #define SCTP_UNRECOG_PARAM 0x0008
418 #define SCTP_COOKIE_PRESERVE 0x0009
419 #define SCTP_HOSTNAME_ADDRESS 0x000b
420 #define SCTP_SUPPORTED_ADDRTYPE 0x000c
422 /* draft-ietf-stewart-strreset-xxx */
423 #define SCTP_STR_RESET_OUT_REQUEST 0x000d
424 #define SCTP_STR_RESET_IN_REQUEST 0x000e
425 #define SCTP_STR_RESET_TSN_REQUEST 0x000f
426 #define SCTP_STR_RESET_RESPONSE 0x0010
428 #define SCTP_MAX_RESET_PARAMS 2
429 #define SCTP_STREAM_RESET_TSN_DELTA 0x1000
431 /*************0x4000 series*************/
433 /*************0x8000 series*************/
434 #define SCTP_ECN_CAPABLE 0x8000
435 /* ECN Nonce: draft-ladha-sctp-ecn-nonce */
436 #define SCTP_ECN_NONCE_SUPPORTED 0x8001
437 /* draft-ietf-tsvwg-auth-xxx */
438 #define SCTP_RANDOM 0x8002
439 #define SCTP_CHUNK_LIST 0x8003
440 #define SCTP_HMAC_LIST 0x8004
442 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte
443 * | Byte Byte | Byte ...
445 * Where each byte is a chunk type extension supported. For example, to support
446 * all chunks one would have (in hex):
448 * 80 01 00 09 C0 C1 80 81 82 00 00 00
450 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81
451 * = Packet Drop 82 = Stream Reset 83 = Authentication
453 #define SCTP_SUPPORTED_CHUNK_EXT 0x8008
455 /*************0xC000 series*************/
456 #define SCTP_PRSCTP_SUPPORTED 0xc000
457 /* draft-ietf-tsvwg-addip-sctp */
458 #define SCTP_ADD_IP_ADDRESS 0xc001
459 #define SCTP_DEL_IP_ADDRESS 0xc002
460 #define SCTP_ERROR_CAUSE_IND 0xc003
461 #define SCTP_SET_PRIM_ADDR 0xc004
462 #define SCTP_SUCCESS_REPORT 0xc005
463 #define SCTP_ULP_ADAPTATION 0xc006
465 /* Notification error codes */
466 #define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001
467 #define SCTP_NOTIFY_DATAGRAM_SENT 0x0002
468 #define SCTP_FAILED_THRESHOLD 0x0004
469 #define SCTP_HEARTBEAT_SUCCESS 0x0008
470 #define SCTP_RESPONSE_TO_USER_REQ 0x0010
471 #define SCTP_INTERNAL_ERROR 0x0020
472 #define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040
473 #define SCTP_RECEIVED_SACK 0x0080
474 #define SCTP_PEER_FAULTY 0x0100
475 #define SCTP_ICMP_REFUSED 0x0200
477 /* bits for TOS field */
478 #define SCTP_ECT0_BIT 0x02
479 #define SCTP_ECT1_BIT 0x01
480 #define SCTP_CE_BITS 0x03
482 /* below turns off above */
483 #define SCTP_FLEXIBLE_ADDRESS 0x20
484 #define SCTP_NO_HEARTBEAT 0x40
486 /* mask to get sticky */
487 #define SCTP_STICKY_OPTIONS_MASK 0x0c
491 * SCTP states for internal state machine XXX (should match "user" values)
493 #define SCTP_STATE_EMPTY 0x0000
494 #define SCTP_STATE_INUSE 0x0001
495 #define SCTP_STATE_COOKIE_WAIT 0x0002
496 #define SCTP_STATE_COOKIE_ECHOED 0x0004
497 #define SCTP_STATE_OPEN 0x0008
498 #define SCTP_STATE_SHUTDOWN_SENT 0x0010
499 #define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
500 #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
501 #define SCTP_STATE_SHUTDOWN_PENDING 0x0080
502 #define SCTP_STATE_CLOSED_SOCKET 0x0100
503 #define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200
504 #define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400
505 #define SCTP_STATE_WAS_ABORTED 0x0800
506 #define SCTP_STATE_MASK 0x007f
508 #define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK)
509 #define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate)
510 #define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate)
511 #define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate)
513 /* SCTP reachability state for each address */
514 #define SCTP_ADDR_REACHABLE 0x001
515 #define SCTP_ADDR_NOT_REACHABLE 0x002
516 #define SCTP_ADDR_NOHB 0x004
517 #define SCTP_ADDR_BEING_DELETED 0x008
518 #define SCTP_ADDR_NOT_IN_ASSOC 0x010
519 #define SCTP_ADDR_WAS_PRIMARY 0x020
520 #define SCTP_ADDR_SWITCH_PRIMARY 0x040
521 #define SCTP_ADDR_OUT_OF_SCOPE 0x080
522 #define SCTP_ADDR_DOUBLE_SWITCH 0x100
523 #define SCTP_ADDR_UNCONFIRMED 0x200
524 #define SCTP_ADDR_REQ_PRIMARY 0x400
525 /* JRS 5/13/07 - Added potentially failed state for CMT PF */
526 #define SCTP_ADDR_PF 0x800
527 #define SCTP_REACHABLE_MASK 0x203
529 /* bound address types (e.g. valid address types to allow) */
530 #define SCTP_BOUND_V6 0x01
531 #define SCTP_BOUND_V4 0x02
534 * what is the default number of mbufs in a chain I allow before switching to
537 #define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
539 /* How long a cookie lives in milli-seconds */
540 #define SCTP_DEFAULT_COOKIE_LIFE 60000
542 /* resource limit of streams */
543 #define MAX_SCTP_STREAMS 2048
545 /* Maximum the mapping array will grow to (TSN mapping array) */
546 #define SCTP_MAPPING_ARRAY 512
548 /* size of the inital malloc on the mapping array */
549 #define SCTP_INITIAL_MAPPING_ARRAY 16
550 /* how much we grow the mapping array each call */
551 #define SCTP_MAPPING_ARRAY_INCR 32
554 * Here we define the timer types used by the implementation as arguments in
555 * the set/get timer type calls.
557 #define SCTP_TIMER_INIT 0
558 #define SCTP_TIMER_RECV 1
559 #define SCTP_TIMER_SEND 2
560 #define SCTP_TIMER_HEARTBEAT 3
561 #define SCTP_TIMER_PMTU 4
562 #define SCTP_TIMER_MAXSHUTDOWN 5
563 #define SCTP_TIMER_SIGNATURE 6
565 * number of timer types in the base SCTP structure used in the set/get and
566 * has the base default.
568 #define SCTP_NUM_TMRS 7
571 #define SCTP_TIMER_TYPE_NONE 0
572 #define SCTP_TIMER_TYPE_SEND 1
573 #define SCTP_TIMER_TYPE_INIT 2
574 #define SCTP_TIMER_TYPE_RECV 3
575 #define SCTP_TIMER_TYPE_SHUTDOWN 4
576 #define SCTP_TIMER_TYPE_HEARTBEAT 5
577 #define SCTP_TIMER_TYPE_COOKIE 6
578 #define SCTP_TIMER_TYPE_NEWCOOKIE 7
579 #define SCTP_TIMER_TYPE_PATHMTURAISE 8
580 #define SCTP_TIMER_TYPE_SHUTDOWNACK 9
581 #define SCTP_TIMER_TYPE_ASCONF 10
582 #define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
583 #define SCTP_TIMER_TYPE_AUTOCLOSE 12
584 #define SCTP_TIMER_TYPE_EVENTWAKE 13
585 #define SCTP_TIMER_TYPE_STRRESET 14
586 #define SCTP_TIMER_TYPE_INPKILL 15
587 #define SCTP_TIMER_TYPE_ITERATOR 16
588 #define SCTP_TIMER_TYPE_EARLYFR 17
589 #define SCTP_TIMER_TYPE_ASOCKILL 18
590 #define SCTP_TIMER_TYPE_ADDR_WQ 19
591 #define SCTP_TIMER_TYPE_ZERO_COPY 20
592 #define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21
593 #define SCTP_TIMER_TYPE_PRIM_DELETED 22
594 /* add new timers here - and increment LAST */
595 #define SCTP_TIMER_TYPE_LAST 23
597 #define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
598 ((t) < SCTP_TIMER_TYPE_LAST))
603 * Number of ticks before the soxwakeup() event that is delayed is sent AFTER
606 #define SCTP_EVENTWAKEUP_WAIT_TICKS 3000
609 * Of course we really don't collect stale cookies, being folks of decerning
610 * taste. However we do count them, if we get too many before the association
611 * comes up.. we give up. Below is the constant that dictates when we give it
612 * up...this is a implemenation dependent treatment. In ours we do not ask
613 * for a extension of time, but just retry this many times...
615 #define SCTP_MAX_STALE_COOKIES_I_COLLECT 10
617 /* max number of TSN's dup'd that I will hold */
618 #define SCTP_MAX_DUP_TSNS 20
621 * Here we define the types used when setting the retry amounts.
623 /* constants for type of set */
624 #define SCTP_MAXATTEMPT_INIT 2
625 #define SCTP_MAXATTEMPT_SEND 3
627 /* Maximum TSN's we will summarize in a drop report */
628 #define SCTP_MAX_DROP_REPORT 16
630 /* How many drop re-attempts we make on INIT/COOKIE-ECHO */
631 #define SCTP_RETRY_DROPPED_THRESH 4
634 * And the max we will keep a history of in the tcb which MUST be lower than
637 #define SCTP_MAX_DROP_SAVE_REPORT 16
640 * Here we define the default timers and the default number of attemts we
641 * make for each respective side (send/init).
645 * Maxmium number of chunks a single association can have on it. Note that
646 * this is a squishy number since the count can run over this if the user
647 * sends a large message down .. the fragmented chunks don't count until
648 * AFTER the message is on queue.. it would be the next send that blocks
649 * things. This number will get tuned up at boot in the sctp_init and use the
650 * number of clusters as a base. This way high bandwidth environments will
651 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks
653 #define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
656 /* The conversion from time to ticks and vice versa is done by rounding
657 * upwards. This way we can test in the code the time to be positive and
658 * know that this corresponds to a positive number of ticks.
660 #define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000))
661 #define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz))
663 #define SEC_TO_TICKS(x) ((x) * hz)
664 #define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz)
667 * Basically the minimum amount of time before I do a early FR. Making this
668 * value to low will cause duplicate retransmissions.
670 #define SCTP_MINFR_MSEC_TIMER 250
671 /* The floor this value is allowed to fall to when starting a timer. */
672 #define SCTP_MINFR_MSEC_FLOOR 20
674 /* init timer def = 1 sec */
675 #define SCTP_INIT_SEC 1
677 /* send timer def = 1 seconds */
678 #define SCTP_SEND_SEC 1
680 /* recv timer def = 200ms */
681 #define SCTP_RECV_MSEC 200
683 /* 30 seconds + RTO (in ms) */
684 #define SCTP_HB_DEFAULT_MSEC 30000
686 /* Max time I will wait for Shutdown to complete */
687 #define SCTP_DEF_MAX_SHUTDOWN_SEC 180
691 * This is how long a secret lives, NOT how long a cookie lives how many
692 * ticks the current secret will live.
694 #define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
696 #define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
697 #define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */
698 #define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */
699 #define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
702 #define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */
703 #define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */
705 #define SCTP_DEF_MAX_INIT 8
706 #define SCTP_DEF_MAX_SEND 10
707 #define SCTP_DEF_MAX_PATH_RTX 5
709 #define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
710 #define SCTP_DEF_PMTU_MIN 600
713 #define SCTP_MSEC_IN_A_SEC 1000
714 #define SCTP_USEC_IN_A_SEC 1000000
715 #define SCTP_NSEC_IN_A_SEC 1000000000
717 #define SCTP_MAX_OUTSTANDING_DG 10000
719 /* How many streams I request initally by default */
720 #define SCTP_OSTREAM_INITIAL 10
723 * How many smallest_mtu's need to increase before a window update sack is
724 * sent (should be a power of 2).
726 #define SCTP_SEG_TO_RWND_UPD 32
727 /* Send window update (incr * this > hiwat). Should be a power of 2 */
728 #define SCTP_SCALE_OF_RWND_TO_UPD 4
729 #define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
731 #define SCTP_ADDRMAX 24
733 /* SCTP DEBUG Switch parameters */
734 #define SCTP_DEBUG_TIMER1 0x00000001
735 #define SCTP_DEBUG_TIMER2 0x00000002 /* unused */
736 #define SCTP_DEBUG_TIMER3 0x00000004 /* unused */
737 #define SCTP_DEBUG_TIMER4 0x00000008
738 #define SCTP_DEBUG_OUTPUT1 0x00000010
739 #define SCTP_DEBUG_OUTPUT2 0x00000020
740 #define SCTP_DEBUG_OUTPUT3 0x00000040
741 #define SCTP_DEBUG_OUTPUT4 0x00000080
742 #define SCTP_DEBUG_UTIL1 0x00000100
743 #define SCTP_DEBUG_UTIL2 0x00000200 /* unused */
744 #define SCTP_DEBUG_AUTH1 0x00000400
745 #define SCTP_DEBUG_AUTH2 0x00000800 /* unused */
746 #define SCTP_DEBUG_INPUT1 0x00001000
747 #define SCTP_DEBUG_INPUT2 0x00002000
748 #define SCTP_DEBUG_INPUT3 0x00004000
749 #define SCTP_DEBUG_INPUT4 0x00008000 /* unused */
750 #define SCTP_DEBUG_ASCONF1 0x00010000
751 #define SCTP_DEBUG_ASCONF2 0x00020000
752 #define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */
753 #define SCTP_DEBUG_XXX 0x00080000 /* unused */
754 #define SCTP_DEBUG_PCB1 0x00100000
755 #define SCTP_DEBUG_PCB2 0x00200000 /* unused */
756 #define SCTP_DEBUG_PCB3 0x00400000
757 #define SCTP_DEBUG_PCB4 0x00800000
758 #define SCTP_DEBUG_INDATA1 0x01000000
759 #define SCTP_DEBUG_INDATA2 0x02000000 /* unused */
760 #define SCTP_DEBUG_INDATA3 0x04000000 /* unused */
761 #define SCTP_DEBUG_INDATA4 0x08000000 /* unused */
762 #define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */
763 #define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */
764 #define SCTP_DEBUG_PEEL1 0x40000000
765 #define SCTP_DEBUG_XXXXX 0x80000000 /* unused */
766 #define SCTP_DEBUG_ALL 0x7ff3ffff
767 #define SCTP_DEBUG_NOISY 0x00040000
769 /* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
770 #define SCTP_SWS_SENDER_DEF 1420
773 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1
774 * would be hiwat/2 etc.
776 /* What receiver needs to see in sockbuf or we tell peer its 1 */
777 #define SCTP_SWS_RECEIVER_DEF 3000
779 #define SCTP_INITIAL_CWND 4380
781 #define SCTP_DEFAULT_MTU 1500 /* emegency default MTU */
782 /* amount peer is obligated to have in rwnd or I will abort */
783 #define SCTP_MIN_RWND 1500
785 #define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */
786 #define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to My playing
787 * around suggests a value greater than 64k
788 * does not do much, I guess via the kernel
789 * limitations on the stream/socket. */
791 /* I can handle a 1meg re-assembly */
792 #define SCTP_DEFAULT_MAXMSGREASM 1048576
794 #define SCTP_DEFAULT_MAXSEGMENT 65535
796 #define SCTP_CHUNK_BUFFER_SIZE 512
797 #define SCTP_PARAM_BUFFER_SIZE 512
799 /* small chunk store for looking at chunk_list in auth */
800 #define SCTP_SMALL_CHUNK_STORE 260
802 #define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
803 #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
805 #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
806 #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
810 * SCTP upper layer notifications
812 #define SCTP_NOTIFY_ASSOC_UP 1
813 #define SCTP_NOTIFY_ASSOC_DOWN 2
814 #define SCTP_NOTIFY_INTERFACE_DOWN 3
815 #define SCTP_NOTIFY_INTERFACE_UP 4
816 #define SCTP_NOTIFY_DG_FAIL 5
817 #define SCTP_NOTIFY_STRDATA_ERR 6
818 #define SCTP_NOTIFY_ASSOC_ABORTED 7
819 #define SCTP_NOTIFY_PEER_OPENED_STREAM 8
820 #define SCTP_NOTIFY_STREAM_OPENED_OK 9
821 #define SCTP_NOTIFY_ASSOC_RESTART 10
822 #define SCTP_NOTIFY_HB_RESP 11
823 #define SCTP_NOTIFY_ASCONF_SUCCESS 12
824 #define SCTP_NOTIFY_ASCONF_FAILED 13
825 #define SCTP_NOTIFY_PEER_SHUTDOWN 14
826 #define SCTP_NOTIFY_ASCONF_ADD_IP 15
827 #define SCTP_NOTIFY_ASCONF_DELETE_IP 16
828 #define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17
829 #define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18
830 #define SCTP_NOTIFY_INTERFACE_CONFIRMED 20
831 #define SCTP_NOTIFY_STR_RESET_RECV 21
832 #define SCTP_NOTIFY_STR_RESET_SEND 22
833 #define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23
834 #define SCTP_NOTIFY_STR_RESET_FAILED_IN 24
835 #define SCTP_NOTIFY_AUTH_NEW_KEY 25
836 #define SCTP_NOTIFY_AUTH_KEY_CONFLICT 26
837 #define SCTP_NOTIFY_SPECIAL_SP_FAIL 27
838 #define SCTP_NOTIFY_MAX 27
840 /* This is the value for messages that are NOT completely
841 * copied down where we will start to split the message.
842 * So, with our default, we split only if the piece we
843 * want to take will fill up a full MTU (assuming
846 #define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
848 /* ABORT CODES and other tell-tale location
849 * codes are generated by adding the below
850 * to the instance id.
854 #define SCTP_FROM_SCTP_INPUT 0x10000000
855 #define SCTP_FROM_SCTP_PCB 0x20000000
856 #define SCTP_FROM_SCTP_INDATA 0x30000000
857 #define SCTP_FROM_SCTP_TIMER 0x40000000
858 #define SCTP_FROM_SCTP_USRREQ 0x50000000
859 #define SCTP_FROM_SCTPUTIL 0x60000000
860 #define SCTP_FROM_SCTP6_USRREQ 0x70000000
861 #define SCTP_FROM_SCTP_ASCONF 0x80000000
862 #define SCTP_FROM_SCTP_OUTPUT 0x90000000
863 #define SCTP_FROM_SCTP_PEELOFF 0xa0000000
864 #define SCTP_FROM_SCTP_PANDA 0xb0000000
865 #define SCTP_FROM_SCTP_SYSCTL 0xc0000000
868 #define SCTP_LOC_1 0x00000001
869 #define SCTP_LOC_2 0x00000002
870 #define SCTP_LOC_3 0x00000003
871 #define SCTP_LOC_4 0x00000004
872 #define SCTP_LOC_5 0x00000005
873 #define SCTP_LOC_6 0x00000006
874 #define SCTP_LOC_7 0x00000007
875 #define SCTP_LOC_8 0x00000008
876 #define SCTP_LOC_9 0x00000009
877 #define SCTP_LOC_10 0x0000000a
878 #define SCTP_LOC_11 0x0000000b
879 #define SCTP_LOC_12 0x0000000c
880 #define SCTP_LOC_13 0x0000000d
881 #define SCTP_LOC_14 0x0000000e
882 #define SCTP_LOC_15 0x0000000f
883 #define SCTP_LOC_16 0x00000010
884 #define SCTP_LOC_17 0x00000011
885 #define SCTP_LOC_18 0x00000012
886 #define SCTP_LOC_19 0x00000013
887 #define SCTP_LOC_20 0x00000014
888 #define SCTP_LOC_21 0x00000015
889 #define SCTP_LOC_22 0x00000016
890 #define SCTP_LOC_23 0x00000017
891 #define SCTP_LOC_24 0x00000018
892 #define SCTP_LOC_25 0x00000019
893 #define SCTP_LOC_26 0x0000001a
894 #define SCTP_LOC_27 0x0000001b
895 #define SCTP_LOC_28 0x0000001c
896 #define SCTP_LOC_29 0x0000001d
897 #define SCTP_LOC_30 0x0000001e
898 #define SCTP_LOC_31 0x0000001f
899 #define SCTP_LOC_32 0x00000020
900 #define SCTP_LOC_33 0x00000021
903 /* Free assoc codes */
904 #define SCTP_NORMAL_PROC 0
905 #define SCTP_PCBFREE_NOFORCE 1
906 #define SCTP_PCBFREE_FORCE 2
908 /* From codes for adding addresses */
909 #define SCTP_ADDR_IS_CONFIRMED 8
910 #define SCTP_ADDR_DYNAMIC_ADDED 6
911 #define SCTP_IN_COOKIE_PROC 100
912 #define SCTP_ALLOC_ASOC 1
913 #define SCTP_LOAD_ADDR_2 2
914 #define SCTP_LOAD_ADDR_3 3
915 #define SCTP_LOAD_ADDR_4 4
916 #define SCTP_LOAD_ADDR_5 5
918 #define SCTP_DONOT_SETSCOPE 0
919 #define SCTP_DO_SETSCOPE 1
922 /* This value determines the default for when
923 * we try to add more on the send queue., if
924 * there is room. This prevents us from cycling
925 * into the copy_resume routine to often if
926 * we have not got enough space to add a decent
927 * enough size message. Note that if we have enough
928 * space to complete the message copy we will always
929 * add to the message, no matter what the size. Its
930 * only when we reach the point that we have some left
931 * to add, there is only room for part of it that we
932 * will use this threshold. Its also a sysctl.
934 #define SCTP_DEFAULT_ADD_MORE 1452
936 #ifndef SCTP_PCBHASHSIZE
937 /* default number of association hash buckets in each endpoint */
938 #define SCTP_PCBHASHSIZE 256
940 #ifndef SCTP_TCBHASHSIZE
941 #define SCTP_TCBHASHSIZE 1024
944 #ifndef SCTP_CHUNKQUEUE_SCALE
945 #define SCTP_CHUNKQUEUE_SCALE 10
948 /* clock variance is 1 ms */
949 #define SCTP_CLOCK_GRANULARITY 1
950 #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this
951 * detracts a small amount for ipv4 but it
952 * simplifies the ipv6 addition */
954 /* Argument magic number for sctp_inpcb_free() */
957 #define SCTP_CALLED_DIRECTLY_NOCMPSET 0
958 #define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
960 /* second argument */
961 #define SCTP_FREE_SHOULD_USE_ABORT 1
962 #define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
965 #define IPPROTO_SCTP 132 /* the Official IANA number :-) */
966 #endif /* !IPPROTO_SCTP */
968 #define SCTP_MAX_DATA_BUNDLING 256
969 #define SCTP_MAX_CONTROL_BUNDLING 20
971 /* modular comparison */
972 /* True if a > b (mod = M) */
973 #define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \
974 ((b > a) && ((b - a) > ((M >> 1) + 1))))
977 /* Mapping array manipulation routines */
978 #define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
979 #define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
980 #define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
983 #define SCTP_RETRAN_DONE -1
984 #define SCTP_RETRAN_EXIT -2
987 * This value defines the number of vtag block time wait entry's per list
988 * element. Each entry will take 2 4 byte ints (and of course the overhead
989 * of the next pointer as well). Using 15 as an example will yield * ((8 *
990 * 15) + 8) or 128 bytes of overhead for each timewait block that gets
991 * initialized. Increasing it to 31 would yeild 256 bytes per block.
993 #define SCTP_NUMBER_IN_VTAG_BLOCK 15
995 * If we use the STACK option, we have an array of this size head pointers.
996 * This array is mod'd the with the size to find which bucket and then all
997 * entries must be searched to see if the tag is in timed wait. If so we
1000 #define SCTP_STACK_VTAG_HASH_SIZE 31
1001 #define SCTP_STACK_VTAG_HASH_SIZE_A 32
1005 * If we use the per-endpoint model than we do not have a hash table of
1006 * entries but instead have a single head pointer and we must crawl through
1011 * Number of seconds of time wait for a vtag.
1013 #define SCTP_TIME_WAIT 60
1015 /* This time wait is the same as the default cookie life
1016 * since we now enter a tag in every time we send a cookie.
1017 * We want this shorter to avoid vtag depletion.
1019 #define SCTP_TIME_WAIT_SHORT 60
1021 /* The system retains a cache of free chunks such to
1022 * cut down on calls the memory allocation system. There
1023 * is a per association limit of free items and a overall
1024 * system limit. If either one gets hit then the resource
1025 * stops being cached.
1028 #define SCTP_DEF_ASOC_RESC_LIMIT 10
1029 #define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
1032 * defines for socket lock states.
1033 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING
1035 #define SCTP_SO_LOCKED 1
1036 #define SCTP_SO_NOT_LOCKED 0
1039 #define SCTP_HOLDS_LOCK 1
1040 #define SCTP_NOT_LOCKED 0
1043 * For address locks, do we hold the lock?
1045 #define SCTP_ADDR_LOCKED 1
1046 #define SCTP_ADDR_NOT_LOCKED 0
1048 #define IN4_ISPRIVATE_ADDRESS(a) \
1049 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \
1050 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \
1051 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \
1052 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
1053 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \
1054 (((uint8_t *)&(a)->s_addr)[1] == 168)))
1056 #define IN4_ISLOOPBACK_ADDRESS(a) \
1057 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \
1058 (((uint8_t *)&(a)->s_addr)[1] == 0) && \
1059 (((uint8_t *)&(a)->s_addr)[2] == 0) && \
1060 (((uint8_t *)&(a)->s_addr)[3] == 1))
1063 #if defined(_KERNEL)
1065 #define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
1066 #define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
1067 /*#if defined(__FreeBSD__) || defined(__APPLE__)*/
1068 /*#define SCTP_GETTIME_TIMEVAL(x) { \*/
1069 /* (x)->tv_sec = ticks / 1000; \*/
1070 /* (x)->tv_usec = (ticks % 1000) * 1000; \*/
1074 /*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/
1075 /*#endif __FreeBSD__ */
1077 #define sctp_sowwakeup(inp, so) \
1079 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1080 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1086 #define sctp_sowwakeup_locked(inp, so) \
1088 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1089 SOCKBUF_UNLOCK(&((so)->so_snd)); \
1090 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1092 sowwakeup_locked(so); \
1096 #define sctp_sorwakeup(inp, so) \
1098 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1099 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1105 #define sctp_sorwakeup_locked(inp, so) \
1107 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1108 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1109 SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1111 sorwakeup_locked(so); \
1115 #endif /* _KERNEL */