1/*-
2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * a) Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 *
10 * b) Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the distribution.
13 *
14 * c) Neither the name of Cisco Systems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */
32
33#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * a) Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 *
10 * b) Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the distribution.
13 *
14 * c) Neither the name of Cisco Systems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/* $KAME: sctp_constants.h,v 1.17 2005/03/06 16:04:17 itojun Exp $ */
32
33#include <sys/cdefs.h>
|
34__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 207966 2010-05-12 16:10:33Z tuexen $");
| 34__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 208160 2010-05-16 17:03:56Z rrs $");
|
35
36#ifndef __sctp_constants_h__
37#define __sctp_constants_h__
38
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
46 * comes up.
47 */
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
51
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.
67 */
68#define SCTP_ADDRESS_LIMIT 1080
69
70/* We need at least 2k of space for us, inits
71 * larger than that lets abort.
72 */
73#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048)
74
75/* Number of addresses where we just skip the counting */
76#define SCTP_COUNT_LIMIT 40
77
78#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000)
79#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000)
80
81/* Number of ticks to delay before running
82 * iterator on an address change.
83 */
84#define SCTP_ADDRESS_TICK_DELAY 2
85
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
89
| 35
36#ifndef __sctp_constants_h__
37#define __sctp_constants_h__
38
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
46 * comes up.
47 */
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
51
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.
67 */
68#define SCTP_ADDRESS_LIMIT 1080
69
70/* We need at least 2k of space for us, inits
71 * larger than that lets abort.
72 */
73#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048)
74
75/* Number of addresses where we just skip the counting */
76#define SCTP_COUNT_LIMIT 40
77
78#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000)
79#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000)
80
81/* Number of ticks to delay before running
82 * iterator on an address change.
83 */
84#define SCTP_ADDRESS_TICK_DELAY 2
85
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
89
|
90/* temporary disabled since it does not work with VNET. */
91#if 0
92#define SCTP_USE_THREAD_BASED_ITERATOR 1
93#endif
| |
94
95#define SCTP_KTRHEAD_NAME "sctp_iterator"
96#define SCTP_KTHREAD_PAGES 0
97
98
99/* If you support Multi-VRF how big to
100 * make the initial array of VRF's to.
101 */
102#define SCTP_DEFAULT_VRF_SIZE 4
103
104/* constants for rto calc */
105#define sctp_align_safe_nocopy 0
106#define sctp_align_unsafe_makecopy 1
107
108/* JRS - Values defined for the HTCP algorithm */
109#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
110#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */
111#define BETA_MAX 102 /* 0.8 with shift << 7 */
112
113/* Places that CWND log can happen from */
114#define SCTP_CWND_LOG_FROM_FR 1
115#define SCTP_CWND_LOG_FROM_RTX 2
116#define SCTP_CWND_LOG_FROM_BRST 3
117#define SCTP_CWND_LOG_FROM_SS 4
118#define SCTP_CWND_LOG_FROM_CA 5
119#define SCTP_CWND_LOG_FROM_SAT 6
120#define SCTP_BLOCK_LOG_INTO_BLK 7
121#define SCTP_BLOCK_LOG_OUTOF_BLK 8
122#define SCTP_BLOCK_LOG_CHECK 9
123#define SCTP_STR_LOG_FROM_INTO_STRD 10
124#define SCTP_STR_LOG_FROM_IMMED_DEL 11
125#define SCTP_STR_LOG_FROM_INSERT_HD 12
126#define SCTP_STR_LOG_FROM_INSERT_MD 13
127#define SCTP_STR_LOG_FROM_INSERT_TL 14
128#define SCTP_STR_LOG_FROM_MARK_TSN 15
129#define SCTP_STR_LOG_FROM_EXPRS_DEL 16
130#define SCTP_FR_LOG_BIGGEST_TSNS 17
131#define SCTP_FR_LOG_STRIKE_TEST 18
132#define SCTP_FR_LOG_STRIKE_CHUNK 19
133#define SCTP_FR_T3_TIMEOUT 20
134#define SCTP_MAP_PREPARE_SLIDE 21
135#define SCTP_MAP_SLIDE_FROM 22
136#define SCTP_MAP_SLIDE_RESULT 23
137#define SCTP_MAP_SLIDE_CLEARED 24
138#define SCTP_MAP_SLIDE_NONE 25
139#define SCTP_FR_T3_MARK_TIME 26
140#define SCTP_FR_T3_MARKED 27
141#define SCTP_FR_T3_STOPPED 28
142#define SCTP_FR_MARKED 30
143#define SCTP_CWND_LOG_NOADV_SS 31
144#define SCTP_CWND_LOG_NOADV_CA 32
145#define SCTP_MAX_BURST_APPLIED 33
146#define SCTP_MAX_IFP_APPLIED 34
147#define SCTP_MAX_BURST_ERROR_STOP 35
148#define SCTP_INCREASE_PEER_RWND 36
149#define SCTP_DECREASE_PEER_RWND 37
150#define SCTP_SET_PEER_RWND_VIA_SACK 38
151#define SCTP_LOG_MBCNT_INCREASE 39
152#define SCTP_LOG_MBCNT_DECREASE 40
153#define SCTP_LOG_MBCNT_CHKSET 41
154#define SCTP_LOG_NEW_SACK 42
155#define SCTP_LOG_TSN_ACKED 43
156#define SCTP_LOG_TSN_REVOKED 44
157#define SCTP_LOG_LOCK_TCB 45
158#define SCTP_LOG_LOCK_INP 46
159#define SCTP_LOG_LOCK_SOCK 47
160#define SCTP_LOG_LOCK_SOCKBUF_R 48
161#define SCTP_LOG_LOCK_SOCKBUF_S 49
162#define SCTP_LOG_LOCK_CREATE 50
163#define SCTP_LOG_INITIAL_RTT 51
164#define SCTP_LOG_RTTVAR 52
165#define SCTP_LOG_SBALLOC 53
166#define SCTP_LOG_SBFREE 54
167#define SCTP_LOG_SBRESULT 55
168#define SCTP_FR_DUPED 56
169#define SCTP_FR_MARKED_EARLY 57
170#define SCTP_FR_CWND_REPORT 58
171#define SCTP_FR_CWND_REPORT_START 59
172#define SCTP_FR_CWND_REPORT_STOP 60
173#define SCTP_CWND_LOG_FROM_SEND 61
174#define SCTP_CWND_INITIALIZATION 62
175#define SCTP_CWND_LOG_FROM_T3 63
176#define SCTP_CWND_LOG_FROM_SACK 64
177#define SCTP_CWND_LOG_NO_CUMACK 65
178#define SCTP_CWND_LOG_FROM_RESEND 66
179#define SCTP_FR_LOG_CHECK_STRIKE 67
180#define SCTP_SEND_NOW_COMPLETES 68
181#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69
182#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70
183#define SCTP_LOG_FREE_SENT 71
184#define SCTP_NAGLE_APPLIED 72
185#define SCTP_NAGLE_SKIPPED 73
186#define SCTP_WAKESND_FROM_SACK 74
187#define SCTP_WAKESND_FROM_FWDTSN 75
188#define SCTP_NOWAKE_FROM_SACK 76
189#define SCTP_CWNDLOG_PRESEND 77
190#define SCTP_CWNDLOG_ENDSEND 78
191#define SCTP_AT_END_OF_SACK 79
192#define SCTP_REASON_FOR_SC 80
193#define SCTP_BLOCK_LOG_INTO_BLKA 81
194#define SCTP_ENTER_USER_RECV 82
195#define SCTP_USER_RECV_SACKS 83
196#define SCTP_SORECV_BLOCKSA 84
197#define SCTP_SORECV_BLOCKSB 85
198#define SCTP_SORECV_DONE 86
199#define SCTP_SACK_RWND_UPDATE 87
200#define SCTP_SORECV_ENTER 88
201#define SCTP_SORECV_ENTERPL 89
202#define SCTP_MBUF_INPUT 90
203#define SCTP_MBUF_IALLOC 91
204#define SCTP_MBUF_IFREE 92
205#define SCTP_MBUF_ICOPY 93
206#define SCTP_MBUF_SPLIT 94
207#define SCTP_SORCV_FREECTL 95
208#define SCTP_SORCV_DOESCPY 96
209#define SCTP_SORCV_DOESLCK 97
210#define SCTP_SORCV_DOESADJ 98
211#define SCTP_SORCV_BOTWHILE 99
212#define SCTP_SORCV_PASSBF 100
213#define SCTP_SORCV_ADJD 101
214#define SCTP_UNKNOWN_MAX 102
215#define SCTP_RANDY_STUFF 103
216#define SCTP_RANDY_STUFF1 104
217#define SCTP_STRMOUT_LOG_ASSIGN 105
218#define SCTP_STRMOUT_LOG_SEND 106
219#define SCTP_FLIGHT_LOG_DOWN_CA 107
220#define SCTP_FLIGHT_LOG_UP 108
221#define SCTP_FLIGHT_LOG_DOWN_GAP 109
222#define SCTP_FLIGHT_LOG_DOWN_RSND 110
223#define SCTP_FLIGHT_LOG_UP_RSND 111
224#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112
225#define SCTP_FLIGHT_LOG_DOWN_WP 113
226#define SCTP_FLIGHT_LOG_UP_REVOKE 114
227#define SCTP_FLIGHT_LOG_DOWN_PDRP 115
228#define SCTP_FLIGHT_LOG_DOWN_PMTU 116
229#define SCTP_SACK_LOG_NORMAL 117
230#define SCTP_SACK_LOG_EXPRESS 118
231#define SCTP_MAP_TSN_ENTERS 119
232#define SCTP_THRESHOLD_CLEAR 120
233#define SCTP_THRESHOLD_INCR 121
234#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122
235#define SCTP_FWD_TSN_CHECK 123
236#define SCTP_LOG_MAX_TYPES 124
237/*
238 * To turn on various logging, you must first enable 'options KTR' and
239 * you might want to bump the entires 'options KTR_ENTRIES=80000'.
240 * To get something to log you define one of the logging defines.
241 * (see LINT).
242 *
243 * This gets the compile in place, but you still need to turn the
244 * logging flag on too in the sysctl (see in sctp.h).
245 */
246
247#define SCTP_LOG_EVENT_UNKNOWN 0
248#define SCTP_LOG_EVENT_CWND 1
249#define SCTP_LOG_EVENT_BLOCK 2
250#define SCTP_LOG_EVENT_STRM 3
251#define SCTP_LOG_EVENT_FR 4
252#define SCTP_LOG_EVENT_MAP 5
253#define SCTP_LOG_EVENT_MAXBURST 6
254#define SCTP_LOG_EVENT_RWND 7
255#define SCTP_LOG_EVENT_MBCNT 8
256#define SCTP_LOG_EVENT_SACK 9
257#define SCTP_LOG_LOCK_EVENT 10
258#define SCTP_LOG_EVENT_RTT 11
259#define SCTP_LOG_EVENT_SB 12
260#define SCTP_LOG_EVENT_NAGLE 13
261#define SCTP_LOG_EVENT_WAKE 14
262#define SCTP_LOG_MISC_EVENT 15
263#define SCTP_LOG_EVENT_CLOSE 16
264#define SCTP_LOG_EVENT_MBUF 17
265#define SCTP_LOG_CHUNK_PROC 18
266#define SCTP_LOG_ERROR_RET 19
267
268#define SCTP_LOG_MAX_EVENT 20
269
270#define SCTP_LOCK_UNKNOWN 2
271
272
273/* number of associations by default for zone allocation */
274#define SCTP_MAX_NUM_OF_ASOC 40000
275/* how many addresses per assoc remote and local */
276#define SCTP_SCALE_FOR_ADDR 2
277
278/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
279#define SCTP_DEFAULT_AUTO_ASCONF 1
280
281/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */
282#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0
283
284/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */
285#define SCTP_DEFAULT_MOBILITY_BASE 0
286
287/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */
288#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
289
290/*
291 * Theshold for rwnd updates, we have to read (sb_hiwat >>
292 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a
293 * window update sack. When we look, we compare the last rwnd we sent vs the
294 * current rwnd. It too must be greater than this value. Using 3 divdes the
295 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need
296 * to read 8k. This seems about right.. I hope :-D.. we do set a
297 * min of a MTU on it so if the rwnd is real small we will insist
298 * on a full MTU of 1500 bytes.
299 */
300#define SCTP_RWND_HIWAT_SHIFT 3
301
302/* How much of the rwnd must the
303 * message be taking up to start partial delivery.
304 * We calculate this by shifing the hi_water (recv_win)
305 * left the following .. set to 1, when a message holds
306 * 1/2 the rwnd. If we set it to 2 when a message holds
307 * 1/4 the rwnd...etc..
308 */
309
310#define SCTP_PARTIAL_DELIVERY_SHIFT 1
311
312/*
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
316 */
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
320
321/*
322 * the SCTP protocol signature this includes the version number encoded in
323 * the last 4 bits of the signature.
324 */
325#define PROTO_SIGNATURE_A 0x30000000
326#define SCTP_VERSION_NUMBER 0x3
327
328#define MAX_TSN 0xffffffff
329#define MAX_SEQ 0xffff
330
331/* how many executions every N tick's */
332#define SCTP_ITERATOR_MAX_AT_ONCE 20
333
334/* number of clock ticks between iterator executions */
335#define SCTP_ITERATOR_TICKS 1
336
337/*
338 * option: If you comment out the following you will receive the old behavior
339 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR
340 * happens right away with-out waiting for the flightsize to drop below the
341 * cwnd value (which is reduced by the FR to 1/2 the inflight packets).
342 */
343#define SCTP_IGNORE_CWND_ON_FR 1
344
345/*
346 * Adds implementors guide behavior to only use newest highest update in SACK
347 * gap ack's to figure out if you need to stroke a chunk for FR.
348 */
349#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
350
351/* default max I can burst out after a fast retransmit */
352#define SCTP_DEF_MAX_BURST 4
353/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */
354#define SCTP_FIRST_MBUF_RESV 68
355/* Packet transmit states in the sent field */
356#define SCTP_DATAGRAM_UNSENT 0
357#define SCTP_DATAGRAM_SENT 1
358#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may
359 * hit this value) */
360#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
361 * hit this value) */
362#define SCTP_DATAGRAM_RESEND 4
363#define SCTP_DATAGRAM_ACKED 10010
364#define SCTP_DATAGRAM_MARKED 20010
365#define SCTP_FORWARD_TSN_SKIP 30010
366
367/* chunk output send from locations */
368#define SCTP_OUTPUT_FROM_USR_SEND 0
369#define SCTP_OUTPUT_FROM_T3 1
370#define SCTP_OUTPUT_FROM_INPUT_ERROR 2
371#define SCTP_OUTPUT_FROM_CONTROL_PROC 3
372#define SCTP_OUTPUT_FROM_SACK_TMR 4
373#define SCTP_OUTPUT_FROM_SHUT_TMR 5
374#define SCTP_OUTPUT_FROM_HB_TMR 6
375#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7
376#define SCTP_OUTPUT_FROM_ASCONF_TMR 8
377#define SCTP_OUTPUT_FROM_STRRST_TMR 9
378#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10
379#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11
380#define SCTP_OUTPUT_FROM_STRRST_REQ 12
381#define SCTP_OUTPUT_FROM_USR_RCVD 13
382#define SCTP_OUTPUT_FROM_COOKIE_ACK 14
383#define SCTP_OUTPUT_FROM_DRAIN 15
384#define SCTP_OUTPUT_FROM_CLOSING 16
385/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */
386
387/* align to 32-bit sizes */
388#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2)
389
390#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
391#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
392
393
394/* SCTP parameter types */
395/*************0x0000 series*************/
396#define SCTP_HEARTBEAT_INFO 0x0001
397#define SCTP_IPV4_ADDRESS 0x0005
398#define SCTP_IPV6_ADDRESS 0x0006
399#define SCTP_STATE_COOKIE 0x0007
400#define SCTP_UNRECOG_PARAM 0x0008
401#define SCTP_COOKIE_PRESERVE 0x0009
402#define SCTP_HOSTNAME_ADDRESS 0x000b
403#define SCTP_SUPPORTED_ADDRTYPE 0x000c
404
405/* draft-ietf-stewart-tsvwg-strreset-xxx */
406#define SCTP_STR_RESET_OUT_REQUEST 0x000d
407#define SCTP_STR_RESET_IN_REQUEST 0x000e
408#define SCTP_STR_RESET_TSN_REQUEST 0x000f
409#define SCTP_STR_RESET_RESPONSE 0x0010
410#define SCTP_STR_RESET_ADD_STREAMS 0x0011
411
412#define SCTP_MAX_RESET_PARAMS 2
413#define SCTP_STREAM_RESET_TSN_DELTA 0x1000
414
415/*************0x4000 series*************/
416
417/*************0x8000 series*************/
418#define SCTP_ECN_CAPABLE 0x8000
419/* ECN Nonce: draft-ladha-sctp-ecn-nonce */
420#define SCTP_ECN_NONCE_SUPPORTED 0x8001
421/* draft-ietf-tsvwg-auth-xxx */
422#define SCTP_RANDOM 0x8002
423#define SCTP_CHUNK_LIST 0x8003
424#define SCTP_HMAC_LIST 0x8004
425/*
426 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte
427 * | Byte Byte | Byte ...
428 *
429 * Where each byte is a chunk type extension supported. For example, to support
430 * all chunks one would have (in hex):
431 *
432 * 80 01 00 09 C0 C1 80 81 82 00 00 00
433 *
434 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81
435 * = Packet Drop 82 = Stream Reset 83 = Authentication
436 */
437#define SCTP_SUPPORTED_CHUNK_EXT 0x8008
438
439/*************0xC000 series*************/
440#define SCTP_PRSCTP_SUPPORTED 0xc000
441/* draft-ietf-tsvwg-addip-sctp */
442#define SCTP_ADD_IP_ADDRESS 0xc001
443#define SCTP_DEL_IP_ADDRESS 0xc002
444#define SCTP_ERROR_CAUSE_IND 0xc003
445#define SCTP_SET_PRIM_ADDR 0xc004
446#define SCTP_SUCCESS_REPORT 0xc005
447#define SCTP_ULP_ADAPTATION 0xc006
448/* behave-nat-draft */
449#define SCTP_HAS_NAT_SUPPORT 0xc007
450#define SCTP_NAT_VTAGS 0xc008
451
452/* Notification error codes */
453#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001
454#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002
455#define SCTP_FAILED_THRESHOLD 0x0004
456#define SCTP_HEARTBEAT_SUCCESS 0x0008
457#define SCTP_RESPONSE_TO_USER_REQ 0x0010
458#define SCTP_INTERNAL_ERROR 0x0020
459#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040
460#define SCTP_RECEIVED_SACK 0x0080
461#define SCTP_PEER_FAULTY 0x0100
462#define SCTP_ICMP_REFUSED 0x0200
463
464/* bits for TOS field */
465#define SCTP_ECT0_BIT 0x02
466#define SCTP_ECT1_BIT 0x01
467#define SCTP_CE_BITS 0x03
468
469/* below turns off above */
470#define SCTP_FLEXIBLE_ADDRESS 0x20
471#define SCTP_NO_HEARTBEAT 0x40
472
473/* mask to get sticky */
474#define SCTP_STICKY_OPTIONS_MASK 0x0c
475
476
477/*
478 * SCTP states for internal state machine XXX (should match "user" values)
479 */
480#define SCTP_STATE_EMPTY 0x0000
481#define SCTP_STATE_INUSE 0x0001
482#define SCTP_STATE_COOKIE_WAIT 0x0002
483#define SCTP_STATE_COOKIE_ECHOED 0x0004
484#define SCTP_STATE_OPEN 0x0008
485#define SCTP_STATE_SHUTDOWN_SENT 0x0010
486#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
487#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
488#define SCTP_STATE_SHUTDOWN_PENDING 0x0080
489#define SCTP_STATE_CLOSED_SOCKET 0x0100
490#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200
491#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400
492#define SCTP_STATE_WAS_ABORTED 0x0800
493#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000
494#define SCTP_STATE_MASK 0x007f
495
496#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK)
497#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate)
498#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate)
499#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate)
500
501/* SCTP reachability state for each address */
502#define SCTP_ADDR_REACHABLE 0x001
503#define SCTP_ADDR_NOT_REACHABLE 0x002
504#define SCTP_ADDR_NOHB 0x004
505#define SCTP_ADDR_BEING_DELETED 0x008
506#define SCTP_ADDR_NOT_IN_ASSOC 0x010
507#define SCTP_ADDR_WAS_PRIMARY 0x020
508#define SCTP_ADDR_SWITCH_PRIMARY 0x040
509#define SCTP_ADDR_OUT_OF_SCOPE 0x080
510#define SCTP_ADDR_DOUBLE_SWITCH 0x100
511#define SCTP_ADDR_UNCONFIRMED 0x200
512#define SCTP_ADDR_REQ_PRIMARY 0x400
513/* JRS 5/13/07 - Added potentially failed state for CMT PF */
514#define SCTP_ADDR_PF 0x800
515#define SCTP_REACHABLE_MASK 0x203
516
517/* bound address types (e.g. valid address types to allow) */
518#define SCTP_BOUND_V6 0x01
519#define SCTP_BOUND_V4 0x02
520
521/*
522 * what is the default number of mbufs in a chain I allow before switching to
523 * a cluster
524 */
525#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
526
527/* How long a cookie lives in milli-seconds */
528#define SCTP_DEFAULT_COOKIE_LIFE 60000
529
530/* resource limit of streams */
531#define MAX_SCTP_STREAMS 2048
532
533/* Maximum the mapping array will grow to (TSN mapping array) */
534#define SCTP_MAPPING_ARRAY 512
535
536/* size of the inital malloc on the mapping array */
537#define SCTP_INITIAL_MAPPING_ARRAY 16
538/* how much we grow the mapping array each call */
539#define SCTP_MAPPING_ARRAY_INCR 32
540
541/*
542 * Here we define the timer types used by the implementation as arguments in
543 * the set/get timer type calls.
544 */
545#define SCTP_TIMER_INIT 0
546#define SCTP_TIMER_RECV 1
547#define SCTP_TIMER_SEND 2
548#define SCTP_TIMER_HEARTBEAT 3
549#define SCTP_TIMER_PMTU 4
550#define SCTP_TIMER_MAXSHUTDOWN 5
551#define SCTP_TIMER_SIGNATURE 6
552/*
553 * number of timer types in the base SCTP structure used in the set/get and
554 * has the base default.
555 */
556#define SCTP_NUM_TMRS 7
557
558/* timer types */
559#define SCTP_TIMER_TYPE_NONE 0
560#define SCTP_TIMER_TYPE_SEND 1
561#define SCTP_TIMER_TYPE_INIT 2
562#define SCTP_TIMER_TYPE_RECV 3
563#define SCTP_TIMER_TYPE_SHUTDOWN 4
564#define SCTP_TIMER_TYPE_HEARTBEAT 5
565#define SCTP_TIMER_TYPE_COOKIE 6
566#define SCTP_TIMER_TYPE_NEWCOOKIE 7
567#define SCTP_TIMER_TYPE_PATHMTURAISE 8
568#define SCTP_TIMER_TYPE_SHUTDOWNACK 9
569#define SCTP_TIMER_TYPE_ASCONF 10
570#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
571#define SCTP_TIMER_TYPE_AUTOCLOSE 12
572#define SCTP_TIMER_TYPE_EVENTWAKE 13
573#define SCTP_TIMER_TYPE_STRRESET 14
574#define SCTP_TIMER_TYPE_INPKILL 15
| 90
91#define SCTP_KTRHEAD_NAME "sctp_iterator"
92#define SCTP_KTHREAD_PAGES 0
93
94
95/* If you support Multi-VRF how big to
96 * make the initial array of VRF's to.
97 */
98#define SCTP_DEFAULT_VRF_SIZE 4
99
100/* constants for rto calc */
101#define sctp_align_safe_nocopy 0
102#define sctp_align_unsafe_makecopy 1
103
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 */
108
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
233/*
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.
237 * (see LINT).
238 *
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).
241 */
242
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
263
264#define SCTP_LOG_MAX_EVENT 20
265
266#define SCTP_LOCK_UNKNOWN 2
267
268
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
273
274/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
275#define SCTP_DEFAULT_AUTO_ASCONF 1
276
277/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */
278#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0
279
280/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */
281#define SCTP_DEFAULT_MOBILITY_BASE 0
282
283/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */
284#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
285
286/*
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.
295 */
296#define SCTP_RWND_HIWAT_SHIFT 3
297
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..
304 */
305
306#define SCTP_PARTIAL_DELIVERY_SHIFT 1
307
308/*
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
312 */
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
316
317/*
318 * the SCTP protocol signature this includes the version number encoded in
319 * the last 4 bits of the signature.
320 */
321#define PROTO_SIGNATURE_A 0x30000000
322#define SCTP_VERSION_NUMBER 0x3
323
324#define MAX_TSN 0xffffffff
325#define MAX_SEQ 0xffff
326
327/* how many executions every N tick's */
328#define SCTP_ITERATOR_MAX_AT_ONCE 20
329
330/* number of clock ticks between iterator executions */
331#define SCTP_ITERATOR_TICKS 1
332
333/*
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).
338 */
339#define SCTP_IGNORE_CWND_ON_FR 1
340
341/*
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.
344 */
345#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
346
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
355 * hit this value) */
356#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
357 * hit this value) */
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
362
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 */
382
383/* align to 32-bit sizes */
384#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2)
385
386#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
387#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
388
389
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
400
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
407
408#define SCTP_MAX_RESET_PARAMS 2
409#define SCTP_STREAM_RESET_TSN_DELTA 0x1000
410
411/*************0x4000 series*************/
412
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
421/*
422 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte
423 * | Byte Byte | Byte ...
424 *
425 * Where each byte is a chunk type extension supported. For example, to support
426 * all chunks one would have (in hex):
427 *
428 * 80 01 00 09 C0 C1 80 81 82 00 00 00
429 *
430 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81
431 * = Packet Drop 82 = Stream Reset 83 = Authentication
432 */
433#define SCTP_SUPPORTED_CHUNK_EXT 0x8008
434
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
447
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
459
460/* bits for TOS field */
461#define SCTP_ECT0_BIT 0x02
462#define SCTP_ECT1_BIT 0x01
463#define SCTP_CE_BITS 0x03
464
465/* below turns off above */
466#define SCTP_FLEXIBLE_ADDRESS 0x20
467#define SCTP_NO_HEARTBEAT 0x40
468
469/* mask to get sticky */
470#define SCTP_STICKY_OPTIONS_MASK 0x0c
471
472
473/*
474 * SCTP states for internal state machine XXX (should match "user" values)
475 */
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
491
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)
496
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
512
513/* bound address types (e.g. valid address types to allow) */
514#define SCTP_BOUND_V6 0x01
515#define SCTP_BOUND_V4 0x02
516
517/*
518 * what is the default number of mbufs in a chain I allow before switching to
519 * a cluster
520 */
521#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
522
523/* How long a cookie lives in milli-seconds */
524#define SCTP_DEFAULT_COOKIE_LIFE 60000
525
526/* resource limit of streams */
527#define MAX_SCTP_STREAMS 2048
528
529/* Maximum the mapping array will grow to (TSN mapping array) */
530#define SCTP_MAPPING_ARRAY 512
531
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
536
537/*
538 * Here we define the timer types used by the implementation as arguments in
539 * the set/get timer type calls.
540 */
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
548/*
549 * number of timer types in the base SCTP structure used in the set/get and
550 * has the base default.
551 */
552#define SCTP_NUM_TMRS 7
553
554/* timer types */
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
|
575#define SCTP_TIMER_TYPE_ITERATOR 16
| |
576#define SCTP_TIMER_TYPE_EARLYFR 17
577#define SCTP_TIMER_TYPE_ASOCKILL 18
578#define SCTP_TIMER_TYPE_ADDR_WQ 19
579#define SCTP_TIMER_TYPE_ZERO_COPY 20
580#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21
581#define SCTP_TIMER_TYPE_PRIM_DELETED 22
582/* add new timers here - and increment LAST */
583#define SCTP_TIMER_TYPE_LAST 23
584
585#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
586 ((t) < SCTP_TIMER_TYPE_LAST))
587
588
589
590/* max number of TSN's dup'd that I will hold */
591#define SCTP_MAX_DUP_TSNS 20
592
593/*
594 * Here we define the types used when setting the retry amounts.
595 */
596/* How many drop re-attempts we make on INIT/COOKIE-ECHO */
597#define SCTP_RETRY_DROPPED_THRESH 4
598
599/*
600 * Maxmium number of chunks a single association can have on it. Note that
601 * this is a squishy number since the count can run over this if the user
602 * sends a large message down .. the fragmented chunks don't count until
603 * AFTER the message is on queue.. it would be the next send that blocks
604 * things. This number will get tuned up at boot in the sctp_init and use the
605 * number of clusters as a base. This way high bandwidth environments will
606 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks
607 */
608#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
609
610
611/* The conversion from time to ticks and vice versa is done by rounding
612 * upwards. This way we can test in the code the time to be positive and
613 * know that this corresponds to a positive number of ticks.
614 */
615#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000))
616#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz))
617
618#define SEC_TO_TICKS(x) ((x) * hz)
619#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz)
620
621/*
622 * Basically the minimum amount of time before I do a early FR. Making this
623 * value to low will cause duplicate retransmissions.
624 */
625#define SCTP_MINFR_MSEC_TIMER 250
626/* The floor this value is allowed to fall to when starting a timer. */
627#define SCTP_MINFR_MSEC_FLOOR 20
628
629/* init timer def = 1 sec */
630#define SCTP_INIT_SEC 1
631
632/* send timer def = 1 seconds */
633#define SCTP_SEND_SEC 1
634
635/* recv timer def = 200ms */
636#define SCTP_RECV_MSEC 200
637
638/* 30 seconds + RTO (in ms) */
639#define SCTP_HB_DEFAULT_MSEC 30000
640
641/* Max time I will wait for Shutdown to complete */
642#define SCTP_DEF_MAX_SHUTDOWN_SEC 180
643
644
645/*
646 * This is how long a secret lives, NOT how long a cookie lives how many
647 * ticks the current secret will live.
648 */
649#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
650
651#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
652#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */
653#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */
654#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
655
656
657#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */
658#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */
659
660#define SCTP_DEF_MAX_INIT 8
661#define SCTP_DEF_MAX_SEND 10
662#define SCTP_DEF_MAX_PATH_RTX 5
663
664#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
665
666
667/* How many streams I request initally by default */
668#define SCTP_OSTREAM_INITIAL 10
669
670/*
671 * How many smallest_mtu's need to increase before a window update sack is
672 * sent (should be a power of 2).
673 */
674/* Send window update (incr * this > hiwat). Should be a power of 2 */
675#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
676
677#define SCTP_ADDRMAX 24
678
679/* SCTP DEBUG Switch parameters */
680#define SCTP_DEBUG_TIMER1 0x00000001
681#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */
682#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */
683#define SCTP_DEBUG_TIMER4 0x00000008
684#define SCTP_DEBUG_OUTPUT1 0x00000010
685#define SCTP_DEBUG_OUTPUT2 0x00000020
686#define SCTP_DEBUG_OUTPUT3 0x00000040
687#define SCTP_DEBUG_OUTPUT4 0x00000080
688#define SCTP_DEBUG_UTIL1 0x00000100
689#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */
690#define SCTP_DEBUG_AUTH1 0x00000400
691#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */
692#define SCTP_DEBUG_INPUT1 0x00001000
693#define SCTP_DEBUG_INPUT2 0x00002000
694#define SCTP_DEBUG_INPUT3 0x00004000
695#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */
696#define SCTP_DEBUG_ASCONF1 0x00010000
697#define SCTP_DEBUG_ASCONF2 0x00020000
698#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */
699#define SCTP_DEBUG_XXX 0x00080000 /* unused */
700#define SCTP_DEBUG_PCB1 0x00100000
701#define SCTP_DEBUG_PCB2 0x00200000 /* unused */
702#define SCTP_DEBUG_PCB3 0x00400000
703#define SCTP_DEBUG_PCB4 0x00800000
704#define SCTP_DEBUG_INDATA1 0x01000000
705#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */
706#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */
707#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */
708#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */
709#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */
710#define SCTP_DEBUG_PEEL1 0x40000000
711#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */
712#define SCTP_DEBUG_ALL 0x7ff3ffff
713#define SCTP_DEBUG_NOISY 0x00040000
714
715/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
716#define SCTP_SWS_SENDER_DEF 1420
717
718/*
719 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1
720 * would be hiwat/2 etc.
721 */
722/* What receiver needs to see in sockbuf or we tell peer its 1 */
723#define SCTP_SWS_RECEIVER_DEF 3000
724
725#define SCTP_INITIAL_CWND 4380
726
727#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */
728/* amount peer is obligated to have in rwnd or I will abort */
729#define SCTP_MIN_RWND 1500
730
731#define SCTP_DEFAULT_MAXSEGMENT 65535
732
733#define SCTP_CHUNK_BUFFER_SIZE 512
734#define SCTP_PARAM_BUFFER_SIZE 512
735
736/* small chunk store for looking at chunk_list in auth */
737#define SCTP_SMALL_CHUNK_STORE 260
738
739#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
740#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
741
742#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
743#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
744
745
746/*
747 * SCTP upper layer notifications
748 */
749#define SCTP_NOTIFY_ASSOC_UP 1
750#define SCTP_NOTIFY_ASSOC_DOWN 2
751#define SCTP_NOTIFY_INTERFACE_DOWN 3
752#define SCTP_NOTIFY_INTERFACE_UP 4
753#define SCTP_NOTIFY_DG_FAIL 5
754#define SCTP_NOTIFY_STRDATA_ERR 6
755#define SCTP_NOTIFY_ASSOC_ABORTED 7
756#define SCTP_NOTIFY_PEER_OPENED_STREAM 8
757#define SCTP_NOTIFY_STREAM_OPENED_OK 9
758#define SCTP_NOTIFY_ASSOC_RESTART 10
759#define SCTP_NOTIFY_HB_RESP 11
760#define SCTP_NOTIFY_ASCONF_SUCCESS 12
761#define SCTP_NOTIFY_ASCONF_FAILED 13
762#define SCTP_NOTIFY_PEER_SHUTDOWN 14
763#define SCTP_NOTIFY_ASCONF_ADD_IP 15
764#define SCTP_NOTIFY_ASCONF_DELETE_IP 16
765#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17
766#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18
767#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20
768#define SCTP_NOTIFY_STR_RESET_RECV 21
769#define SCTP_NOTIFY_STR_RESET_SEND 22
770#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23
771#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24
772#define SCTP_NOTIFY_AUTH_NEW_KEY 25
773#define SCTP_NOTIFY_AUTH_FREE_KEY 26
774#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27
775#define SCTP_NOTIFY_NO_PEER_AUTH 28
776#define SCTP_NOTIFY_SENDER_DRY 29
777#define SCTP_NOTIFY_STR_RESET_ADD_OK 30
778#define SCTP_NOTIFY_STR_RESET_ADD_FAIL 31
779#define SCTP_NOTIFY_STR_RESET_INSTREAM_ADD_OK 32
780#define SCTP_NOTIFY_MAX 32
781
782
783/* This is the value for messages that are NOT completely
784 * copied down where we will start to split the message.
785 * So, with our default, we split only if the piece we
786 * want to take will fill up a full MTU (assuming
787 * a 1500 byte MTU).
788 */
789#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
790
791/* ABORT CODES and other tell-tale location
792 * codes are generated by adding the below
793 * to the instance id.
794 */
795
796/* File defines */
797#define SCTP_FROM_SCTP_INPUT 0x10000000
798#define SCTP_FROM_SCTP_PCB 0x20000000
799#define SCTP_FROM_SCTP_INDATA 0x30000000
800#define SCTP_FROM_SCTP_TIMER 0x40000000
801#define SCTP_FROM_SCTP_USRREQ 0x50000000
802#define SCTP_FROM_SCTPUTIL 0x60000000
803#define SCTP_FROM_SCTP6_USRREQ 0x70000000
804#define SCTP_FROM_SCTP_ASCONF 0x80000000
805#define SCTP_FROM_SCTP_OUTPUT 0x90000000
806#define SCTP_FROM_SCTP_PEELOFF 0xa0000000
807#define SCTP_FROM_SCTP_PANDA 0xb0000000
808#define SCTP_FROM_SCTP_SYSCTL 0xc0000000
809
810/* Location ID's */
811#define SCTP_LOC_1 0x00000001
812#define SCTP_LOC_2 0x00000002
813#define SCTP_LOC_3 0x00000003
814#define SCTP_LOC_4 0x00000004
815#define SCTP_LOC_5 0x00000005
816#define SCTP_LOC_6 0x00000006
817#define SCTP_LOC_7 0x00000007
818#define SCTP_LOC_8 0x00000008
819#define SCTP_LOC_9 0x00000009
820#define SCTP_LOC_10 0x0000000a
821#define SCTP_LOC_11 0x0000000b
822#define SCTP_LOC_12 0x0000000c
823#define SCTP_LOC_13 0x0000000d
824#define SCTP_LOC_14 0x0000000e
825#define SCTP_LOC_15 0x0000000f
826#define SCTP_LOC_16 0x00000010
827#define SCTP_LOC_17 0x00000011
828#define SCTP_LOC_18 0x00000012
829#define SCTP_LOC_19 0x00000013
830#define SCTP_LOC_20 0x00000014
831#define SCTP_LOC_21 0x00000015
832#define SCTP_LOC_22 0x00000016
833#define SCTP_LOC_23 0x00000017
834#define SCTP_LOC_24 0x00000018
835#define SCTP_LOC_25 0x00000019
836#define SCTP_LOC_26 0x0000001a
837#define SCTP_LOC_27 0x0000001b
838#define SCTP_LOC_28 0x0000001c
839#define SCTP_LOC_29 0x0000001d
840#define SCTP_LOC_30 0x0000001e
841#define SCTP_LOC_31 0x0000001f
842#define SCTP_LOC_32 0x00000020
843#define SCTP_LOC_33 0x00000021
844
845
846/* Free assoc codes */
847#define SCTP_NORMAL_PROC 0
848#define SCTP_PCBFREE_NOFORCE 1
849#define SCTP_PCBFREE_FORCE 2
850
851/* From codes for adding addresses */
852#define SCTP_ADDR_IS_CONFIRMED 8
853#define SCTP_ADDR_DYNAMIC_ADDED 6
854#define SCTP_IN_COOKIE_PROC 100
855#define SCTP_ALLOC_ASOC 1
856#define SCTP_LOAD_ADDR_2 2
857#define SCTP_LOAD_ADDR_3 3
858#define SCTP_LOAD_ADDR_4 4
859#define SCTP_LOAD_ADDR_5 5
860
861#define SCTP_DONOT_SETSCOPE 0
862#define SCTP_DO_SETSCOPE 1
863
864
865/* This value determines the default for when
866 * we try to add more on the send queue., if
867 * there is room. This prevents us from cycling
868 * into the copy_resume routine to often if
869 * we have not got enough space to add a decent
870 * enough size message. Note that if we have enough
871 * space to complete the message copy we will always
872 * add to the message, no matter what the size. Its
873 * only when we reach the point that we have some left
874 * to add, there is only room for part of it that we
875 * will use this threshold. Its also a sysctl.
876 */
877#define SCTP_DEFAULT_ADD_MORE 1452
878
879#ifndef SCTP_PCBHASHSIZE
880/* default number of association hash buckets in each endpoint */
881#define SCTP_PCBHASHSIZE 256
882#endif
883#ifndef SCTP_TCBHASHSIZE
884#define SCTP_TCBHASHSIZE 1024
885#endif
886
887#ifndef SCTP_CHUNKQUEUE_SCALE
888#define SCTP_CHUNKQUEUE_SCALE 10
889#endif
890
891/* clock variance is 1 ms */
892#define SCTP_CLOCK_GRANULARITY 1
893#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this
894 * detracts a small amount for ipv4 but it
895 * simplifies the ipv6 addition */
896
897/* Argument magic number for sctp_inpcb_free() */
898
899/* third argument */
900#define SCTP_CALLED_DIRECTLY_NOCMPSET 0
901#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
902
903/* second argument */
904#define SCTP_FREE_SHOULD_USE_ABORT 1
905#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
906
907#ifndef IPPROTO_SCTP
908#define IPPROTO_SCTP 132 /* the Official IANA number :-) */
909#endif /* !IPPROTO_SCTP */
910
911#define SCTP_MAX_DATA_BUNDLING 256
912
913/* modular comparison */
914/* True if a > b (mod = M) */
915#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \
916 ((b > a) && ((b - a) > ((M >> 1) + 1))))
917
918
919/* Mapping array manipulation routines */
920#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
921#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
922#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
923#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \
924 if (tsn >= mapping_tsn) { \
925 gap = tsn - mapping_tsn; \
926 } else { \
927 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \
928 } \
929 } while(0)
930
931
932#define SCTP_RETRAN_DONE -1
933#define SCTP_RETRAN_EXIT -2
934
935/*
936 * This value defines the number of vtag block time wait entry's per list
937 * element. Each entry will take 2 4 byte ints (and of course the overhead
938 * of the next pointer as well). Using 15 as an example will yield * ((8 *
939 * 15) + 8) or 128 bytes of overhead for each timewait block that gets
940 * initialized. Increasing it to 31 would yeild 256 bytes per block.
941 */
942#define SCTP_NUMBER_IN_VTAG_BLOCK 15
943/*
944 * If we use the STACK option, we have an array of this size head pointers.
945 * This array is mod'd the with the size to find which bucket and then all
946 * entries must be searched to see if the tag is in timed wait. If so we
947 * reject it.
948 */
949#define SCTP_STACK_VTAG_HASH_SIZE 32
950
951/*
952 * Number of seconds of time wait for a vtag.
953 */
954#define SCTP_TIME_WAIT 60
955
956/* The system retains a cache of free chunks such to
957 * cut down on calls the memory allocation system. There
958 * is a per association limit of free items and a overall
959 * system limit. If either one gets hit then the resource
960 * stops being cached.
961 */
962
963#define SCTP_DEF_ASOC_RESC_LIMIT 10
964#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
965
966/*-
967 * defines for socket lock states.
968 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING
969 */
970#define SCTP_SO_LOCKED 1
971#define SCTP_SO_NOT_LOCKED 0
972
973
974#define SCTP_HOLDS_LOCK 1
975#define SCTP_NOT_LOCKED 0
976
977/*-
978 * For address locks, do we hold the lock?
979 */
980#define SCTP_ADDR_LOCKED 1
981#define SCTP_ADDR_NOT_LOCKED 0
982
983#define IN4_ISPRIVATE_ADDRESS(a) \
984 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \
985 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \
986 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \
987 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
988 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \
989 (((uint8_t *)&(a)->s_addr)[1] == 168)))
990
991#define IN4_ISLOOPBACK_ADDRESS(a) \
992 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \
993 (((uint8_t *)&(a)->s_addr)[1] == 0) && \
994 (((uint8_t *)&(a)->s_addr)[2] == 0) && \
995 (((uint8_t *)&(a)->s_addr)[3] == 1))
996
997
998#if defined(_KERNEL)
999
1000#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
1001#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
1002#endif
1003/*#if defined(__FreeBSD__) || defined(__APPLE__)*/
1004/*#define SCTP_GETTIME_TIMEVAL(x) { \*/
1005/* (x)->tv_sec = ticks / 1000; \*/
1006/* (x)->tv_usec = (ticks % 1000) * 1000; \*/
1007/*}*/
1008
1009/*#else*/
1010/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/
1011/*#endif __FreeBSD__ */
1012
1013#if defined(_KERNEL) || defined(__Userspace__)
1014#define sctp_sowwakeup(inp, so) \
1015do { \
1016 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1017 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1018 } else { \
1019 sowwakeup(so); \
1020 } \
1021} while (0)
1022
1023#define sctp_sowwakeup_locked(inp, so) \
1024do { \
1025 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1026 SOCKBUF_UNLOCK(&((so)->so_snd)); \
1027 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1028 } else { \
1029 sowwakeup_locked(so); \
1030 } \
1031} while (0)
1032
1033#define sctp_sorwakeup(inp, so) \
1034do { \
1035 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1036 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1037 } else { \
1038 sorwakeup(so); \
1039 } \
1040} while (0)
1041
1042#define sctp_sorwakeup_locked(inp, so) \
1043do { \
1044 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1045 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1046 SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1047 } else { \
1048 sorwakeup_locked(so); \
1049 } \
1050} while (0)
1051
1052#endif /* _KERNEL || __Userspace__ */
1053#endif
| 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
579
580#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
581 ((t) < SCTP_TIMER_TYPE_LAST))
582
583
584
585/* max number of TSN's dup'd that I will hold */
586#define SCTP_MAX_DUP_TSNS 20
587
588/*
589 * Here we define the types used when setting the retry amounts.
590 */
591/* How many drop re-attempts we make on INIT/COOKIE-ECHO */
592#define SCTP_RETRY_DROPPED_THRESH 4
593
594/*
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
602 */
603#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
604
605
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.
609 */
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))
612
613#define SEC_TO_TICKS(x) ((x) * hz)
614#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz)
615
616/*
617 * Basically the minimum amount of time before I do a early FR. Making this
618 * value to low will cause duplicate retransmissions.
619 */
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
623
624/* init timer def = 1 sec */
625#define SCTP_INIT_SEC 1
626
627/* send timer def = 1 seconds */
628#define SCTP_SEND_SEC 1
629
630/* recv timer def = 200ms */
631#define SCTP_RECV_MSEC 200
632
633/* 30 seconds + RTO (in ms) */
634#define SCTP_HB_DEFAULT_MSEC 30000
635
636/* Max time I will wait for Shutdown to complete */
637#define SCTP_DEF_MAX_SHUTDOWN_SEC 180
638
639
640/*
641 * This is how long a secret lives, NOT how long a cookie lives how many
642 * ticks the current secret will live.
643 */
644#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
645
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 */
650
651
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 */
654
655#define SCTP_DEF_MAX_INIT 8
656#define SCTP_DEF_MAX_SEND 10
657#define SCTP_DEF_MAX_PATH_RTX 5
658
659#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
660
661
662/* How many streams I request initally by default */
663#define SCTP_OSTREAM_INITIAL 10
664
665/*
666 * How many smallest_mtu's need to increase before a window update sack is
667 * sent (should be a power of 2).
668 */
669/* Send window update (incr * this > hiwat). Should be a power of 2 */
670#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
671
672#define SCTP_ADDRMAX 24
673
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
709
710/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
711#define SCTP_SWS_SENDER_DEF 1420
712
713/*
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.
716 */
717/* What receiver needs to see in sockbuf or we tell peer its 1 */
718#define SCTP_SWS_RECEIVER_DEF 3000
719
720#define SCTP_INITIAL_CWND 4380
721
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
725
726#define SCTP_DEFAULT_MAXSEGMENT 65535
727
728#define SCTP_CHUNK_BUFFER_SIZE 512
729#define SCTP_PARAM_BUFFER_SIZE 512
730
731/* small chunk store for looking at chunk_list in auth */
732#define SCTP_SMALL_CHUNK_STORE 260
733
734#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
735#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
736
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 */
739
740
741/*
742 * SCTP upper layer notifications
743 */
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
776
777
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
782 * a 1500 byte MTU).
783 */
784#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
785
786/* ABORT CODES and other tell-tale location
787 * codes are generated by adding the below
788 * to the instance id.
789 */
790
791/* File defines */
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
804
805/* Location ID's */
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
839
840
841/* Free assoc codes */
842#define SCTP_NORMAL_PROC 0
843#define SCTP_PCBFREE_NOFORCE 1
844#define SCTP_PCBFREE_FORCE 2
845
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
855
856#define SCTP_DONOT_SETSCOPE 0
857#define SCTP_DO_SETSCOPE 1
858
859
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.
871 */
872#define SCTP_DEFAULT_ADD_MORE 1452
873
874#ifndef SCTP_PCBHASHSIZE
875/* default number of association hash buckets in each endpoint */
876#define SCTP_PCBHASHSIZE 256
877#endif
878#ifndef SCTP_TCBHASHSIZE
879#define SCTP_TCBHASHSIZE 1024
880#endif
881
882#ifndef SCTP_CHUNKQUEUE_SCALE
883#define SCTP_CHUNKQUEUE_SCALE 10
884#endif
885
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 */
891
892/* Argument magic number for sctp_inpcb_free() */
893
894/* third argument */
895#define SCTP_CALLED_DIRECTLY_NOCMPSET 0
896#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
897
898/* second argument */
899#define SCTP_FREE_SHOULD_USE_ABORT 1
900#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
901
902#ifndef IPPROTO_SCTP
903#define IPPROTO_SCTP 132 /* the Official IANA number :-) */
904#endif /* !IPPROTO_SCTP */
905
906#define SCTP_MAX_DATA_BUNDLING 256
907
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))))
912
913
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; \
921 } else { \
922 gap = (MAX_TSN - mapping_tsn) + tsn + 1; \
923 } \
924 } while(0)
925
926
927#define SCTP_RETRAN_DONE -1
928#define SCTP_RETRAN_EXIT -2
929
930/*
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.
936 */
937#define SCTP_NUMBER_IN_VTAG_BLOCK 15
938/*
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
942 * reject it.
943 */
944#define SCTP_STACK_VTAG_HASH_SIZE 32
945
946/*
947 * Number of seconds of time wait for a vtag.
948 */
949#define SCTP_TIME_WAIT 60
950
951/* The system retains a cache of free chunks such to
952 * cut down on calls the memory allocation system. There
953 * is a per association limit of free items and a overall
954 * system limit. If either one gets hit then the resource
955 * stops being cached.
956 */
957
958#define SCTP_DEF_ASOC_RESC_LIMIT 10
959#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
960
961/*-
962 * defines for socket lock states.
963 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING
964 */
965#define SCTP_SO_LOCKED 1
966#define SCTP_SO_NOT_LOCKED 0
967
968
969#define SCTP_HOLDS_LOCK 1
970#define SCTP_NOT_LOCKED 0
971
972/*-
973 * For address locks, do we hold the lock?
974 */
975#define SCTP_ADDR_LOCKED 1
976#define SCTP_ADDR_NOT_LOCKED 0
977
978#define IN4_ISPRIVATE_ADDRESS(a) \
979 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \
980 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \
981 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \
982 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
983 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \
984 (((uint8_t *)&(a)->s_addr)[1] == 168)))
985
986#define IN4_ISLOOPBACK_ADDRESS(a) \
987 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \
988 (((uint8_t *)&(a)->s_addr)[1] == 0) && \
989 (((uint8_t *)&(a)->s_addr)[2] == 0) && \
990 (((uint8_t *)&(a)->s_addr)[3] == 1))
991
992
993#if defined(_KERNEL)
994
995#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
996#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
997#endif
998/*#if defined(__FreeBSD__) || defined(__APPLE__)*/
999/*#define SCTP_GETTIME_TIMEVAL(x) { \*/
1000/* (x)->tv_sec = ticks / 1000; \*/
1001/* (x)->tv_usec = (ticks % 1000) * 1000; \*/
1002/*}*/
1003
1004/*#else*/
1005/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/
1006/*#endif __FreeBSD__ */
1007
1008#if defined(_KERNEL) || defined(__Userspace__)
1009#define sctp_sowwakeup(inp, so) \
1010do { \
1011 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1012 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1013 } else { \
1014 sowwakeup(so); \
1015 } \
1016} while (0)
1017
1018#define sctp_sowwakeup_locked(inp, so) \
1019do { \
1020 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1021 SOCKBUF_UNLOCK(&((so)->so_snd)); \
1022 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1023 } else { \
1024 sowwakeup_locked(so); \
1025 } \
1026} while (0)
1027
1028#define sctp_sorwakeup(inp, so) \
1029do { \
1030 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1031 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1032 } else { \
1033 sorwakeup(so); \
1034 } \
1035} while (0)
1036
1037#define sctp_sorwakeup_locked(inp, so) \
1038do { \
1039 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1040 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1041 SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1042 } else { \
1043 sorwakeup_locked(so); \
1044 } \
1045} while (0)
1046
1047#endif /* _KERNEL || __Userspace__ */
1048#endif
|