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1 /* $KAME: sctp_constants.h,v 1.16 2004/08/17 04:06:16 itojun Exp $ */
2 /* $DragonFly: src/sys/netinet/sctp_constants.h,v 1.3 2006/05/20 02:42:12 dillon Exp $ */
4 #ifndef _NETINET_SCTP_CONSTANTS_H_
5 #define _NETINET_SCTP_CONSTANTS_H_
7 /*
8 * Copyright (c) 2001, 2002, 2003, 2004 Cisco Systems, Inc.
9 * All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by Cisco Systems, Inc.
22 * 4. Neither the name of the project nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
26 * THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL CISCO SYSTEMS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
38 #define SCTP_VERSION_STRING "KAME-BSD 1.1"
39 /*#define SCTP_AUDITING_ENABLED 1 used for debug/auditing */
40 #define SCTP_AUDIT_SIZE 256
41 #define SCTP_STAT_LOG_SIZE 80000
43 /* Places that CWND log can happen from */
44 #define SCTP_CWND_LOG_FROM_FR 1
45 #define SCTP_CWND_LOG_FROM_RTX 2
46 #define SCTP_CWND_LOG_FROM_BRST 3
47 #define SCTP_CWND_LOG_FROM_SS 4
48 #define SCTP_CWND_LOG_FROM_CA 5
49 #define SCTP_CWND_LOG_FROM_SAT 6
50 #define SCTP_BLOCK_LOG_INTO_BLK 7
51 #define SCTP_BLOCK_LOG_OUTOF_BLK 8
52 #define SCTP_BLOCK_LOG_CHECK 9
53 #define SCTP_STR_LOG_FROM_INTO_STRD 10
54 #define SCTP_STR_LOG_FROM_IMMED_DEL 11
55 #define SCTP_STR_LOG_FROM_INSERT_HD 12
56 #define SCTP_STR_LOG_FROM_INSERT_MD 13
57 #define SCTP_STR_LOG_FROM_INSERT_TL 14
58 #define SCTP_STR_LOG_FROM_MARK_TSN 15
59 #define SCTP_STR_LOG_FROM_EXPRS_DEL 16
60 #define SCTP_FR_LOG_BIGGEST_TSNS 17
61 #define SCTP_FR_LOG_STRIKE_TEST 18
62 #define SCTP_FR_LOG_STRIKE_CHUNK 19
63 #define SCTP_FR_T3_TIMEOUT 20
64 #define SCTP_MAP_PREPARE_SLIDE 21
65 #define SCTP_MAP_SLIDE_FROM 22
66 #define SCTP_MAP_SLIDE_RESULT 23
67 #define SCTP_MAP_SLIDE_CLEARED 24
68 #define SCTP_MAP_SLIDE_NONE 25
69 #define SCTP_FR_T3_MARK_TIME 26
70 #define SCTP_FR_T3_MARKED 27
71 #define SCTP_FR_T3_STOPPED 28
72 #define SCTP_FR_MARKED 30
73 #define SCTP_CWND_LOG_NOADV_SS 31
74 #define SCTP_CWND_LOG_NOADV_CA 32
75 #define SCTP_MAX_BURST_APPLIED 33
76 #define SCTP_MAX_IFP_APPLIED 34
77 #define SCTP_MAX_BURST_ERROR_STOP 35
78 #define SCTP_INCREASE_PEER_RWND 36
79 #define SCTP_DECREASE_PEER_RWND 37
80 #define SCTP_SET_PEER_RWND_VIA_SACK 38
81 #define SCTP_LOG_MBCNT_INCREASE 39
82 #define SCTP_LOG_MBCNT_DECREASE 40
83 #define SCTP_LOG_MBCNT_CHKSET 41
85 * To turn on various logging, you must first define SCTP_STAT_LOGGING.
86 * Then to get something to log you define one of the logging defines i.e.
88 * SCTP_CWND_LOGGING
89 * SCTP_BLK_LOGGING
90 * SCTP_STR_LOGGING
91 * SCTP_FR_LOGGING
93 * Any one or a combination of the logging can be turned on.
95 #define SCTP_LOG_EVENT_CWND 1
96 #define SCTP_LOG_EVENT_BLOCK 2
97 #define SCTP_LOG_EVENT_STRM 3
98 #define SCTP_LOG_EVENT_FR 4
99 #define SCTP_LOG_EVENT_MAP 5
100 #define SCTP_LOG_EVENT_MAXBURST 6
101 #define SCTP_LOG_EVENT_RWND 7
102 #define SCTP_LOG_EVENT_MBCNT 8
105 /* number of associations by default for zone allocation */
106 #define SCTP_MAX_NUM_OF_ASOC 40000
107 /* how many addresses per assoc remote and local */
108 #define SCTP_SCALE_FOR_ADDR 2
110 /* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
111 #define SCTP_DEFAULT_AUTO_ASCONF 0
114 * If you wish to use MD5 instead of SLA uncomment the line below.
115 * Why you would like to do this:
116 * a) There may be IPR on SHA-1, or so the FIP-180-1 page says,
117 * b) MD5 is 3 times faster (has coded here).
119 * The disadvantage is it is thought that MD5 has been cracked... see RFC2104.
121 /*#define USE_MD5 1 */
123 * Note: I can't seem to get this to compile now for some reason- the
124 * kernel can't link in the md5 crypto
127 /* DEFINE HERE WHAT CRC YOU WANT TO USE */
128 #define SCTP_USECRC_RFC2960 1
129 /*#define SCTP_USECRC_FLETCHER 1*/
130 /*#define SCTP_USECRC_SSHCRC32 1*/
131 /*#define SCTP_USECRC_FASTCRC32 1*/
132 /*#define SCTP_USECRC_CRC32 1*/
133 /*#define SCTP_USECRC_TCP32 1*/
134 /*#define SCTP_USECRC_CRC16SMAL 1*/
135 /*#define SCTP_USECRC_CRC16 1 */
136 /*#define SCTP_USECRC_MODADLER 1*/
138 #ifndef SCTP_ADLER32_BASE
139 #define SCTP_ADLER32_BASE 65521
140 #endif
142 #define SCTP_CWND_POSTS_LIST 256
144 * the SCTP protocol signature
145 * this includes the version number encoded in the last 4 bits
146 * of the signature.
148 #define PROTO_SIGNATURE_A 0x30000000
149 #define SCTP_VERSION_NUMBER 0x3
151 #define MAX_TSN 0xffffffff
152 #define MAX_SEQ 0xffff
154 /* how many executions every N tick's */
155 #define SCTP_MAX_ITERATOR_AT_ONCE 20
157 /* number of clock ticks between iterator executions */
158 #define SCTP_ITERATOR_TICKS 1
160 /* option:
161 * If you comment out the following you will receive the old
162 * behavior of obeying cwnd for the fast retransmit algorithm.
163 * With this defined a FR happens right away with-out waiting
164 * for the flightsize to drop below the cwnd value (which is
165 * reduced by the FR to 1/2 the inflight packets).
167 #define SCTP_IGNORE_CWND_ON_FR 1
170 * Adds implementors guide behavior to only use newest highest
171 * update in SACK gap ack's to figure out if you need to stroke
172 * a chunk for FR.
174 #define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
176 /* default max I can burst out after a fast retransmit */
177 #define SCTP_DEF_MAX_BURST 8
179 /* Packet transmit states in the sent field */
180 #define SCTP_DATAGRAM_UNSENT 0
181 #define SCTP_DATAGRAM_SENT 1
182 #define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may hit this value) */
183 #define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may hit this value) */
184 #define SCTP_DATAGRAM_RESEND3 4 /* not used (in code, but may hit this value) */
185 #define SCTP_DATAGRAM_RESEND 5
186 #define SCTP_DATAGRAM_ACKED 10010
187 #define SCTP_DATAGRAM_INBOUND 10011
188 #define SCTP_READY_TO_TRANSMIT 10012
189 #define SCTP_DATAGRAM_MARKED 20010
190 #define SCTP_FORWARD_TSN_SKIP 30010
192 /* SCTP chunk types */
193 /* Moved to sctp.h so f/w and natd
194 * boxes can find the chunk types.
197 /* align to 32-bit sizes */
198 #define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2)
200 #define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
201 #define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
203 /* SCTP parameter types */
204 #define SCTP_HEARTBEAT_INFO 0x0001
205 #define SCTP_IPV4_ADDRESS 0x0005
206 #define SCTP_IPV6_ADDRESS 0x0006
207 #define SCTP_STATE_COOKIE 0x0007
208 #define SCTP_UNRECOG_PARAM 0x0008
209 #define SCTP_COOKIE_PRESERVE 0x0009
210 #define SCTP_HOSTNAME_ADDRESS 0x000b
211 #define SCTP_SUPPORTED_ADDRTYPE 0x000c
212 #define SCTP_ECN_CAPABLE 0x8000
213 /* draft-ietf-stewart-strreset-xxx */
214 #define SCTP_STR_RESET_REQUEST 0x000d
215 #define SCTP_STR_RESET_RESPONSE 0x000e
217 /* ECN Nonce: draft-ladha-sctp-ecn-nonce */
218 #define SCTP_ECN_NONCE_SUPPORTED 0x8001
220 * draft-ietf-stewart-strreset-xxx
221 * param=0x8001 len=0xNNNN
222 * Byte | Byte | Byte | Byte
223 * Byte | Byte ...
225 * Where each Byte is a chunk type
226 * extension supported so for example
227 * to support all chunks one would have (in hex):
229 * 80 01 00 09
230 * C0 C1 80 81
231 * 82 00 00 00
233 * Has the parameter.
234 * C0 = PR-SCTP (RFC3758)
235 * C1, 80 = ASCONF (addip draft)
236 * 81 = Packet Drop
237 * 82 = Stream Reset
240 /* draft-ietf-tsvwg-prsctp */
241 #define SCTP_SUPPORTED_CHUNK_EXT 0x8008
243 /* number of extensions we support */
244 #define SCTP_EXT_COUNT 5 /* num of extensions we support chunk wise */
245 #define SCTP_PAD_EXT_COUNT 3 /* num of pad bytes needed to get to 32 bit boundary */
248 #define SCTP_PRSCTP_SUPPORTED 0xc000
249 /* draft-ietf-tsvwg-addip-sctp */
250 #define SCTP_ADD_IP_ADDRESS 0xc001
251 #define SCTP_DEL_IP_ADDRESS 0xc002
252 #define SCTP_ERROR_CAUSE_IND 0xc003
253 #define SCTP_SET_PRIM_ADDR 0xc004
254 #define SCTP_SUCCESS_REPORT 0xc005
255 #define SCTP_ULP_ADAPTION 0xc006
257 /* Notification error codes */
258 #define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001
259 #define SCTP_NOTIFY_DATAGRAM_SENT 0x0002
260 #define SCTP_FAILED_THRESHOLD 0x0004
261 #define SCTP_HEARTBEAT_SUCCESS 0x0008
262 #define SCTP_RESPONSE_TO_USER_REQ 0x000f
263 #define SCTP_INTERNAL_ERROR 0x0010
264 #define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0020
265 #define SCTP_RECEIVED_SACK 0x0040
266 #define SCTP_PEER_FAULTY 0x0080
268 /* Error causes used in SCTP op-err's and aborts */
269 #define SCTP_CAUSE_INV_STRM 0x001
270 #define SCTP_CAUSE_MISS_PARAM 0x002
271 #define SCTP_CAUSE_STALE_COOKIE 0x003
272 #define SCTP_CAUSE_OUT_OF_RESC 0x004
273 #define SCTP_CAUSE_UNRESOLV_ADDR 0x005
274 #define SCTP_CAUSE_UNRECOG_CHUNK 0x006
275 #define SCTP_CAUSE_INVALID_PARAM 0x007
276 /* This one is also the same as SCTP_UNRECOG_PARAM above */
277 #define SCTP_CAUSE_UNRECOG_PARAM 0x008
278 #define SCTP_CAUSE_NOUSER_DATA 0x009
279 #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x00a
280 #define SCTP_CAUSE_RESTART_W_NEWADDR 0x00b
281 #define SCTP_CAUSE_USER_INITIATED_ABT 0x00c
282 #define SCTP_CAUSE_PROTOCOL_VIOLATION 0x00d
284 /* Error's from add ip */
285 #define SCTP_CAUSE_DELETEING_LAST_ADDR 0x100
286 #define SCTP_CAUSE_OPERATION_REFUSED 0x101
287 #define SCTP_CAUSE_DELETING_SRC_ADDR 0x102
288 #define SCTP_CAUSE_ILLEGAL_ASCONF 0x103
290 /* bits for TOS field */
291 #define SCTP_ECT0_BIT 0x02
292 #define SCTP_ECT1_BIT 0x01
293 #define SCTP_CE_BITS 0x03
295 /* below turns off above */
296 #define SCTP_FLEXIBLE_ADDRESS 0x20
297 #define SCTP_NO_HEARTBEAT 0x40
299 /* mask to get sticky */
300 #define SCTP_STICKY_OPTIONS_MASK 0x0c
302 /* MTU discovery flags */
303 #define SCTP_DONT_FRAGMENT 0x0100
304 #define SCTP_FRAGMENT_OK 0x0200
305 #define SCTP_PR_SCTP_ENABLED 0x0400
306 #define SCTP_PR_SCTP_BUFFER 0x0800
308 /* Chunk flags */
309 #define SCTP_WINDOW_PROBE 0x01
312 * SCTP states for internal state machine
313 * XXX (should match "user" values)
315 #define SCTP_STATE_EMPTY 0x0000
316 #define SCTP_STATE_INUSE 0x0001
317 #define SCTP_STATE_COOKIE_WAIT 0x0002
318 #define SCTP_STATE_COOKIE_ECHOED 0x0004
319 #define SCTP_STATE_OPEN 0x0008
320 #define SCTP_STATE_SHUTDOWN_SENT 0x0010
321 #define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
322 #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
323 #define SCTP_STATE_SHUTDOWN_PENDING 0x0080
324 #define SCTP_STATE_CLOSED_SOCKET 0x0100
325 #define SCTP_STATE_MASK 0x007f
327 #define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK)
329 /* SCTP reachability state for each address */
330 #define SCTP_ADDR_REACHABLE 0x001
331 #define SCTP_ADDR_NOT_REACHABLE 0x002
332 #define SCTP_ADDR_NOHB 0x004
333 #define SCTP_ADDR_BEING_DELETED 0x008
334 #define SCTP_ADDR_NOT_IN_ASSOC 0x010
335 #define SCTP_ADDR_WAS_PRIMARY 0x020
336 #define SCTP_ADDR_SWITCH_PRIMARY 0x040
337 #define SCTP_ADDR_OUT_OF_SCOPE 0x080
338 #define SCTP_ADDR_DOUBLE_SWITCH 0x100
339 #define SCTP_ADDR_UNCONFIRMED 0x200
341 #define SCTP_REACHABLE_MASK 0x203
343 /* bound address types (e.g. valid address types to allow) */
344 #define SCTP_BOUND_V6 0x01
345 #define SCTP_BOUND_V4 0x02
347 /* How long a cookie lives in seconds */
348 #define SCTP_DEFAULT_COOKIE_LIFE 60
350 /* resource limit of streams */
351 #define MAX_SCTP_STREAMS 2048
353 /* Maximum the mapping array will grow to (TSN mapping array) */
354 #define SCTP_MAPPING_ARRAY 512
356 /* size of the inital malloc on the mapping array */
357 #define SCTP_INITIAL_MAPPING_ARRAY 16
358 /* how much we grow the mapping array each call */
359 #define SCTP_MAPPING_ARRAY_INCR 32
362 * Here we define the timer types used by the implementation
363 * as arguments in the set/get timer type calls.
365 #define SCTP_TIMER_INIT 0
366 #define SCTP_TIMER_RECV 1
367 #define SCTP_TIMER_SEND 2
368 #define SCTP_TIMER_HEARTBEAT 3
369 #define SCTP_TIMER_PMTU 4
370 #define SCTP_TIMER_MAXSHUTDOWN 5
371 #define SCTP_TIMER_SIGNATURE 6
373 * number of timer types in the base SCTP structure used in
374 * the set/get and has the base default.
376 #define SCTP_NUM_TMRS 7
378 /* timer types */
379 #define SCTP_TIMER_TYPE_NONE 0
380 #define SCTP_TIMER_TYPE_SEND 1
381 #define SCTP_TIMER_TYPE_INIT 2
382 #define SCTP_TIMER_TYPE_RECV 3
383 #define SCTP_TIMER_TYPE_SHUTDOWN 4
384 #define SCTP_TIMER_TYPE_HEARTBEAT 5
385 #define SCTP_TIMER_TYPE_COOKIE 6
386 #define SCTP_TIMER_TYPE_NEWCOOKIE 7
387 #define SCTP_TIMER_TYPE_PATHMTURAISE 8
388 #define SCTP_TIMER_TYPE_SHUTDOWNACK 9
389 #define SCTP_TIMER_TYPE_ASCONF 10
390 #define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
391 #define SCTP_TIMER_TYPE_AUTOCLOSE 12
392 #define SCTP_TIMER_TYPE_EVENTWAKE 13
393 #define SCTP_TIMER_TYPE_STRRESET 14
394 #define SCTP_TIMER_TYPE_INPKILL 15
397 * Number of ticks before the soxwakeup() event that
398 * is delayed is sent AFTER the accept() call
400 #define SCTP_EVENTWAKEUP_WAIT_TICKS 3000
403 * Of course we really don't collect stale cookies, being folks
404 * of decerning taste. However we do count them, if we get too
405 * many before the association comes up.. we give up. Below is
406 * the constant that dictates when we give it up...this is a
407 * implemenation dependent treatment. In ours we do not ask for
408 * a extension of time, but just retry this many times...
410 #define SCTP_MAX_STALE_COOKIES_I_COLLECT 10
412 /* max number of TSN's dup'd that I will hold */
413 #define SCTP_MAX_DUP_TSNS 20
415 #define SCTP_TIMER_TYPE_ITERATOR 16
417 * Here we define the types used when setting the retry amounts.
419 /* constants for type of set */
420 #define SCTP_MAXATTEMPT_INIT 2
421 #define SCTP_MAXATTEMPT_SEND 3
423 /* Maximum TSN's we will summarize in a drop report */
425 #define SCTP_MAX_DROP_REPORT 16
427 /* How many drop re-attempts we make on INIT/COOKIE-ECHO */
428 #define SCTP_RETRY_DROPPED_THRESH 4
430 /* And the max we will keep a history of in the tcb
431 * which MUST be lower than 256.
434 #define SCTP_MAX_DROP_SAVE_REPORT 16
437 * Here we define the default timers and the default number
438 * of attemts we make for each respective side (send/init).
441 /* Maxmium number of chunks a single association can have
442 * on it. Note that this is a squishy number since
443 * the count can run over this if the user sends a large
444 * message down .. the fragmented chunks don't count until
445 * AFTER the message is on queue.. it would be the next
446 * send that blocks things. This number will get tuned
447 * up at boot in the sctp_init and use the number
448 * of clusters as a base. This way high bandwidth
449 * environments will not get impacted by the lower
450 * bandwidth sending a bunch of 1 byte chunks
452 #define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
454 #define MSEC_TO_TICKS(x) (((x) * hz) / 1000)
455 #define TICKS_TO_MSEC(x) (((x) * 1000) / hz)
456 #define SEC_TO_TICKS(x) ((x) * hz)
458 /* init timer def = 1 sec */
459 #define SCTP_INIT_SEC 1
461 /* send timer def = 1 seconds */
462 #define SCTP_SEND_SEC 1
464 /* recv timer def = 200ms */
465 #define SCTP_RECV_MSEC 200
467 /* 30 seconds + RTO (in ms) */
468 #define SCTP_HB_DEFAULT_MSEC 30000
470 /* Max time I will wait for Shutdown to complete */
471 #define SCTP_DEF_MAX_SHUTDOWN_SEC 180
474 /* This is how long a secret lives, NOT how long a cookie lives
475 * how many ticks the current secret will live.
477 #define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
479 #define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
480 #define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */
481 #define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */
482 #define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
485 #define SCTP_INP_KILL_TIMEOUT 1000 /* number of ms to retry kill of inpcb*/
487 #define SCTP_DEF_MAX_INIT 8
488 #define SCTP_DEF_MAX_SEND 10
490 #define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
491 #define SCTP_DEF_PMTU_MIN 600
493 #define SCTP_MSEC_IN_A_SEC 1000
494 #define SCTP_USEC_IN_A_SEC 1000000
495 #define SCTP_NSEC_IN_A_SEC 1000000000
497 #define SCTP_MAX_OUTSTANDING_DG 10000
499 /* How many streams I request initally by default */
500 #define SCTP_OSTREAM_INITIAL 10
502 #define SCTP_SEG_TO_RWND_UPD 32 /* How many smallest_mtu's need to increase before
503 * a window update sack is sent (should be a
504 * power of 2).
506 #define SCTP_SCALE_OF_RWND_TO_UPD 4 /* Incr * this > hiwat, send
507 * window update. Should be a
508 * power of 2.
510 #define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
512 #define SCTP_ADDRMAX 20
515 /* SCTP DEBUG Switch parameters */
516 #define SCTP_DEBUG_TIMER1 0x00000001
517 #define SCTP_DEBUG_TIMER2 0x00000002
518 #define SCTP_DEBUG_TIMER3 0x00000004
519 #define SCTP_DEBUG_TIMER4 0x00000008
520 #define SCTP_DEBUG_OUTPUT1 0x00000010
521 #define SCTP_DEBUG_OUTPUT2 0x00000020
522 #define SCTP_DEBUG_OUTPUT3 0x00000040
523 #define SCTP_DEBUG_OUTPUT4 0x00000080
524 #define SCTP_DEBUG_UTIL1 0x00000100
525 #define SCTP_DEBUG_UTIL2 0x00000200
526 #define SCTP_DEBUG_INPUT1 0x00001000
527 #define SCTP_DEBUG_INPUT2 0x00002000
528 #define SCTP_DEBUG_INPUT3 0x00004000
529 #define SCTP_DEBUG_INPUT4 0x00008000
530 #define SCTP_DEBUG_ASCONF1 0x00010000
531 #define SCTP_DEBUG_ASCONF2 0x00020000
532 #define SCTP_DEBUG_OUTPUT5 0x00040000
533 #define SCTP_DEBUG_PCB1 0x00100000
534 #define SCTP_DEBUG_PCB2 0x00200000
535 #define SCTP_DEBUG_PCB3 0x00400000
536 #define SCTP_DEBUG_PCB4 0x00800000
537 #define SCTP_DEBUG_INDATA1 0x01000000
538 #define SCTP_DEBUG_INDATA2 0x02000000
539 #define SCTP_DEBUG_INDATA3 0x04000000
540 #define SCTP_DEBUG_INDATA4 0x08000000
541 #define SCTP_DEBUG_USRREQ1 0x10000000
542 #define SCTP_DEBUG_USRREQ2 0x20000000
543 #define SCTP_DEBUG_PEEL1 0x40000000
544 #define SCTP_DEBUG_ALL 0x7ff3f3ff
545 #define SCTP_DEBUG_NOISY 0x00040000
547 /* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
548 #define SCTP_SWS_SENDER_DEF 1420
551 * SWS is scaled to the sb_hiwat of the socket.
552 * A value of 2 is hiwat/4, 1 would be hiwat/2 etc.
554 /* What receiver needs to see in sockbuf or we tell peer its 1 */
555 #define SCTP_SWS_RECEIVER_DEF 3000
558 #define SCTP_INITIAL_CWND 4380
560 /* amount peer is obligated to have in rwnd or I will abort */
561 #define SCTP_MIN_RWND 1500
563 #define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */
564 #define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to
565 * My playing around suggests a
566 * value greater than 64k does not
567 * do much, I guess via the kernel
568 * limitations on the stream/socket.
571 #define SCTP_MAX_BUNDLE_UP 256 /* max number of chunks to bundle */
573 /* I can handle a 1meg re-assembly */
574 #define SCTP_DEFAULT_MAXMSGREASM 1048576
576 #define SCTP_DEFAULT_MAXSEGMENT 65535
578 #define DEFAULT_CHUNK_BUFFER 2048
579 #define DEFAULT_PARAM_BUFFER 512
581 #define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
582 #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
584 #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
585 #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
587 #ifdef USE_MD5
588 #define SCTP_SIGNATURE_SIZE 16 /* size of a MD5 signature */
589 #else
590 #define SCTP_SIGNATURE_SIZE 20 /* size of a SLA-1 signature */
591 #endif /* USE_MD5 */
593 #define SCTP_SIGNATURE_ALOC_SIZE 20
596 * SCTP upper layer notifications
598 #define SCTP_NOTIFY_ASSOC_UP 1
599 #define SCTP_NOTIFY_ASSOC_DOWN 2
600 #define SCTP_NOTIFY_INTERFACE_DOWN 3
601 #define SCTP_NOTIFY_INTERFACE_UP 4
602 #define SCTP_NOTIFY_DG_FAIL 5
603 #define SCTP_NOTIFY_STRDATA_ERR 6
604 #define SCTP_NOTIFY_ASSOC_ABORTED 7
605 #define SCTP_NOTIFY_PEER_OPENED_STREAM 8
606 #define SCTP_NOTIFY_STREAM_OPENED_OK 9
607 #define SCTP_NOTIFY_ASSOC_RESTART 10
608 #define SCTP_NOTIFY_HB_RESP 11
609 #define SCTP_NOTIFY_ASCONF_SUCCESS 12
610 #define SCTP_NOTIFY_ASCONF_FAILED 13
611 #define SCTP_NOTIFY_PEER_SHUTDOWN 14
612 #define SCTP_NOTIFY_ASCONF_ADD_IP 15
613 #define SCTP_NOTIFY_ASCONF_DELETE_IP 16
614 #define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17
615 #define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18
616 #define SCTP_NOTIFY_ADAPTION_INDICATION 19
617 #define SCTP_NOTIFY_INTERFACE_CONFIRMED 20
618 #define SCTP_NOTIFY_STR_RESET_RECV 21
619 #define SCTP_NOTIFY_STR_RESET_SEND 22
620 #define SCTP_NOTIFY_MAX 22
626 /* clock variance is 10ms */
627 #define SCTP_CLOCK_GRANULARITY 10
629 #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here
630 * this detracts a small amount for ipv4
631 * but it simplifies the ipv6 addition
634 #ifndef IPPROTO_SCTP
635 #define IPPROTO_SCTP 132 /* the Official IANA number :-) */
636 #endif /* !IPPROTO_SCTP */
638 #define SCTP_MAX_DATA_BUNDLING 256
639 #define SCTP_MAX_CONTROL_BUNDLING 20
641 /* modular comparison */
642 /* True if a > b (mod = M) */
643 #define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \
644 ((b > a) && ((b - a) > ((M >> 1) + 1))))
647 /* Mapping array manipulation routines */
648 #define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
649 #define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
650 #define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
652 /* pegs */
653 #define SCTP_NUMBER_OF_PEGS 96
654 /* peg index's */
655 #define SCTP_PEG_SACKS_SEEN 0
656 #define SCTP_PEG_SACKS_SENT 1
657 #define SCTP_PEG_TSNS_SENT 2
658 #define SCTP_PEG_TSNS_RCVD 3
659 #define SCTP_DATAGRAMS_SENT 4
660 #define SCTP_DATAGRAMS_RCVD 5
661 #define SCTP_RETRANTSN_SENT 6
662 #define SCTP_DUPTSN_RECVD 7
663 #define SCTP_HB_RECV 8
664 #define SCTP_HB_ACK_RECV 9
665 #define SCTP_HB_SENT 10
666 #define SCTP_WINDOW_PROBES 11
667 #define SCTP_DATA_DG_RECV 12
668 #define SCTP_TMIT_TIMER 13
669 #define SCTP_RECV_TIMER 14
670 #define SCTP_HB_TIMER 15
671 #define SCTP_FAST_RETRAN 16
672 #define SCTP_TIMERS_EXP 17
673 #define SCTP_FR_INAWINDOW 18
674 #define SCTP_RWND_BLOCKED 19
675 #define SCTP_CWND_BLOCKED 20
676 #define SCTP_RWND_DROPS 21
677 #define SCTP_BAD_STRMNO 22
678 #define SCTP_BAD_SSN_WRAP 23
679 #define SCTP_DROP_NOMEMORY 24
680 #define SCTP_DROP_FRAG 25
681 #define SCTP_BAD_VTAGS 26
682 #define SCTP_BAD_CSUM 27
683 #define SCTP_INPKTS 28
684 #define SCTP_IN_MCAST 29
685 #define SCTP_HDR_DROPS 30
686 #define SCTP_NOPORTS 31
687 #define SCTP_CWND_NOFILL 32
688 #define SCTP_CALLS_TO_CO 33
689 #define SCTP_CO_NODATASNT 34
690 #define SCTP_CWND_NOUSE_SS 35
691 #define SCTP_MAX_BURST_APL 36
692 #define SCTP_EXPRESS_ROUTE 37
693 #define SCTP_NO_COPY_IN 38
694 #define SCTP_CACHED_SRC 39
695 #define SCTP_CWND_NOCUM 40
696 #define SCTP_CWND_SS 41
697 #define SCTP_CWND_CA 42
698 #define SCTP_CWND_SKIP 43
699 #define SCTP_CWND_NOUSE_CA 44
700 #define SCTP_MAX_CWND 45
701 #define SCTP_CWND_DIFF_CA 46
702 #define SCTP_CWND_DIFF_SA 47
703 #define SCTP_OQS_AT_SS 48
704 #define SCTP_SQQ_AT_SS 49
705 #define SCTP_OQS_AT_CA 50
706 #define SCTP_SQQ_AT_CA 51
707 #define SCTP_MOVED_MTU 52
708 #define SCTP_MOVED_QMAX 53
709 #define SCTP_SQC_AT_SS 54
710 #define SCTP_SQC_AT_CA 55
711 #define SCTP_MOVED_MAX 56
712 #define SCTP_MOVED_NLEF 57
713 #define SCTP_NAGLE_NOQ 58
714 #define SCTP_NAGLE_OFF 59
715 #define SCTP_OUTPUT_FRM_SND 60
716 #define SCTP_SOS_NOSNT 61
717 #define SCTP_NOS_NOSNT 62
718 #define SCTP_SOSE_NOSNT 63
719 #define SCTP_NOSE_NOSNT 64
720 #define SCTP_DATA_OUT_ERR 65
721 #define SCTP_DUP_SSN_RCVD 66
722 #define SCTP_DUP_FR 67
723 #define SCTP_VTAG_EXPR 68
724 #define SCTP_VTAG_BOGUS 69
725 #define SCTP_T3_SAFEGRD 70
726 #define SCTP_PDRP_FMBOX 71
727 #define SCTP_PDRP_FEHOS 72
728 #define SCTP_PDRP_MB_DA 73
729 #define SCTP_PDRP_MB_CT 74
730 #define SCTP_PDRP_BWRPT 75
731 #define SCTP_PDRP_CRUPT 76
732 #define SCTP_PDRP_NEDAT 77
733 #define SCTP_PDRP_PDBRK 78
734 #define SCTP_PDRP_TSNNF 79
735 #define SCTP_PDRP_DNFND 80
736 #define SCTP_PDRP_DIWNP 81
737 #define SCTP_PDRP_DIZRW 82
738 #define SCTP_PDRP_BADD 83
739 #define SCTP_PDRP_MARK 84
740 #define SCTP_ECNE_RCVD 85
741 #define SCTP_CWR_PERFO 86
742 #define SCTP_ECNE_SENT 87
743 #define SCTP_MSGC_DROP 88
744 #define SCTP_SEND_QUEUE_POP 89
745 #define SCTP_ERROUT_FRM_USR 90
746 #define SCTP_SENDTO_FULL_CWND 91
747 #define SCTP_QUEONLY_BURSTLMT 92
748 #define SCTP_IFP_QUEUE_FULL 93
749 #define SCTP_RESV2 94
750 #define SCTP_RESV3 95
753 * This value defines the number of vtag block time wait entry's
754 * per list element. Each entry will take 2 4 byte ints (and of
755 * course the overhead of the next pointer as well). Using 15 as
756 * an example will yield * ((8 * 15) + 8) or 128 bytes of overhead
757 * for each timewait block that gets initialized. Increasing it to
758 * 31 would yeild 256 bytes per block.
760 /* Undef the following turns on per EP behavior */
761 #define SCTP_VTAG_TIMEWAIT_PER_STACK 1
762 #ifdef SCTP_VTAG_TIMEWAIT_PER_STACK
763 #define SCTP_NUMBER_IN_VTAG_BLOCK 15
764 #else
765 /* The hash list is smaller if we are on a ep basis */
766 #define SCTP_NUMBER_IN_VTAG_BLOCK 3
767 #endif
769 * If we use the STACK option, we have an array of this size head
770 * pointers. This array is mod'd the with the size to find which
771 * bucket and then all entries must be searched to see if the tag
772 * is in timed wait. If so we reject it.
774 #define SCTP_STACK_VTAG_HASH_SIZE 31
777 * If we use the per-endpoint model than we do not have a hash
778 * table of entries but instead have a single head pointer and
779 * we must crawl through the entire list.
783 * Number of seconds of time wait, tied to MSL value (2 minutes),
784 * so 2 * MSL = 4 minutes or 480 seconds.
786 #define SCTP_TIME_WAIT 480
788 #define IN4_ISPRIVATE_ADDRESS(a) \
789 ((((u_char *)&(a)->s_addr)[0] == 10) || \
790 ((((u_char *)&(a)->s_addr)[0] == 172) && \
791 (((u_char *)&(a)->s_addr)[1] >= 16) && \
792 (((u_char *)&(a)->s_addr)[1] <= 32)) || \
793 ((((u_char *)&(a)->s_addr)[0] == 192) && \
794 (((u_char *)&(a)->s_addr)[1] == 168)))
796 #define IN4_ISLOOPBACK_ADDRESS(a) \
797 ((((u_char *)&(a)->s_addr)[0] == 127) && \
798 (((u_char *)&(a)->s_addr)[1] == 0) && \
799 (((u_char *)&(a)->s_addr)[2] == 0) && \
800 (((u_char *)&(a)->s_addr)[3] == 1))
803 #if defined(_KERNEL) || (defined(__APPLE__) && defined(KERNEL))
805 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
806 #define SCTP_GETTIME_TIMEVAL(x) (microuptime(x))
807 #define SCTP_GETTIME_TIMESPEC(x) (nanouptime(x))
808 #else
809 #define SCTP_GETTIME_TIMEVAL(x) (microtime(x))
810 #define SCTP_GETTIME_TIMESPEC(x) (nanotime(x))
811 #endif /* __FreeBSD__ */
813 #define sctp_sowwakeup(inp, so) \
814 do { \
815 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
816 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
817 } else { \
818 sowwakeup(so); \
820 } while (0)
822 #define sctp_sorwakeup(inp, so) \
823 do { \
824 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
825 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
826 } else { \
827 sorwakeup(so); \
829 } while (0)
831 #endif /* _KERNEL */
832 #endif