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 189371 2009-03-04 20:54:42Z rrs $");
| 34__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 189790 2009-03-14 13:42:13Z 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
90#define SCTP_USE_THREAD_BASED_ITERATOR 1
91
92#define SCTP_KTRHEAD_NAME "sctp_iterator"
93#define SCTP_KTHREAD_PAGES 2
94
95
96/* If you support Multi-VRF how big to
97 * make the initial array of VRF's to.
98 */
99#define SCTP_DEFAULT_VRF_SIZE 4
100
101/* constants for rto calc */
102#define sctp_align_safe_nocopy 0
103#define sctp_align_unsafe_makecopy 1
104
105/* JRS - Values defined for the HTCP algorithm */
106#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
107#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */
108#define BETA_MAX 102 /* 0.8 with shift << 7 */
109
110/* Places that CWND log can happen from */
111#define SCTP_CWND_LOG_FROM_FR 1
112#define SCTP_CWND_LOG_FROM_RTX 2
113#define SCTP_CWND_LOG_FROM_BRST 3
114#define SCTP_CWND_LOG_FROM_SS 4
115#define SCTP_CWND_LOG_FROM_CA 5
116#define SCTP_CWND_LOG_FROM_SAT 6
117#define SCTP_BLOCK_LOG_INTO_BLK 7
118#define SCTP_BLOCK_LOG_OUTOF_BLK 8
119#define SCTP_BLOCK_LOG_CHECK 9
120#define SCTP_STR_LOG_FROM_INTO_STRD 10
121#define SCTP_STR_LOG_FROM_IMMED_DEL 11
122#define SCTP_STR_LOG_FROM_INSERT_HD 12
123#define SCTP_STR_LOG_FROM_INSERT_MD 13
124#define SCTP_STR_LOG_FROM_INSERT_TL 14
125#define SCTP_STR_LOG_FROM_MARK_TSN 15
126#define SCTP_STR_LOG_FROM_EXPRS_DEL 16
127#define SCTP_FR_LOG_BIGGEST_TSNS 17
128#define SCTP_FR_LOG_STRIKE_TEST 18
129#define SCTP_FR_LOG_STRIKE_CHUNK 19
130#define SCTP_FR_T3_TIMEOUT 20
131#define SCTP_MAP_PREPARE_SLIDE 21
132#define SCTP_MAP_SLIDE_FROM 22
133#define SCTP_MAP_SLIDE_RESULT 23
134#define SCTP_MAP_SLIDE_CLEARED 24
135#define SCTP_MAP_SLIDE_NONE 25
136#define SCTP_FR_T3_MARK_TIME 26
137#define SCTP_FR_T3_MARKED 27
138#define SCTP_FR_T3_STOPPED 28
139#define SCTP_FR_MARKED 30
140#define SCTP_CWND_LOG_NOADV_SS 31
141#define SCTP_CWND_LOG_NOADV_CA 32
142#define SCTP_MAX_BURST_APPLIED 33
143#define SCTP_MAX_IFP_APPLIED 34
144#define SCTP_MAX_BURST_ERROR_STOP 35
145#define SCTP_INCREASE_PEER_RWND 36
146#define SCTP_DECREASE_PEER_RWND 37
147#define SCTP_SET_PEER_RWND_VIA_SACK 38
148#define SCTP_LOG_MBCNT_INCREASE 39
149#define SCTP_LOG_MBCNT_DECREASE 40
150#define SCTP_LOG_MBCNT_CHKSET 41
151#define SCTP_LOG_NEW_SACK 42
152#define SCTP_LOG_TSN_ACKED 43
153#define SCTP_LOG_TSN_REVOKED 44
154#define SCTP_LOG_LOCK_TCB 45
155#define SCTP_LOG_LOCK_INP 46
156#define SCTP_LOG_LOCK_SOCK 47
157#define SCTP_LOG_LOCK_SOCKBUF_R 48
158#define SCTP_LOG_LOCK_SOCKBUF_S 49
159#define SCTP_LOG_LOCK_CREATE 50
160#define SCTP_LOG_INITIAL_RTT 51
161#define SCTP_LOG_RTTVAR 52
162#define SCTP_LOG_SBALLOC 53
163#define SCTP_LOG_SBFREE 54
164#define SCTP_LOG_SBRESULT 55
165#define SCTP_FR_DUPED 56
166#define SCTP_FR_MARKED_EARLY 57
167#define SCTP_FR_CWND_REPORT 58
168#define SCTP_FR_CWND_REPORT_START 59
169#define SCTP_FR_CWND_REPORT_STOP 60
170#define SCTP_CWND_LOG_FROM_SEND 61
171#define SCTP_CWND_INITIALIZATION 62
172#define SCTP_CWND_LOG_FROM_T3 63
173#define SCTP_CWND_LOG_FROM_SACK 64
174#define SCTP_CWND_LOG_NO_CUMACK 65
175#define SCTP_CWND_LOG_FROM_RESEND 66
176#define SCTP_FR_LOG_CHECK_STRIKE 67
177#define SCTP_SEND_NOW_COMPLETES 68
178#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69
179#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70
180#define SCTP_LOG_FREE_SENT 71
181#define SCTP_NAGLE_APPLIED 72
182#define SCTP_NAGLE_SKIPPED 73
183#define SCTP_WAKESND_FROM_SACK 74
184#define SCTP_WAKESND_FROM_FWDTSN 75
185#define SCTP_NOWAKE_FROM_SACK 76
186#define SCTP_CWNDLOG_PRESEND 77
187#define SCTP_CWNDLOG_ENDSEND 78
188#define SCTP_AT_END_OF_SACK 79
189#define SCTP_REASON_FOR_SC 80
190#define SCTP_BLOCK_LOG_INTO_BLKA 81
191#define SCTP_ENTER_USER_RECV 82
192#define SCTP_USER_RECV_SACKS 83
193#define SCTP_SORECV_BLOCKSA 84
194#define SCTP_SORECV_BLOCKSB 85
195#define SCTP_SORECV_DONE 86
196#define SCTP_SACK_RWND_UPDATE 87
197#define SCTP_SORECV_ENTER 88
198#define SCTP_SORECV_ENTERPL 89
199#define SCTP_MBUF_INPUT 90
200#define SCTP_MBUF_IALLOC 91
201#define SCTP_MBUF_IFREE 92
202#define SCTP_MBUF_ICOPY 93
203#define SCTP_MBUF_SPLIT 94
204#define SCTP_SORCV_FREECTL 95
205#define SCTP_SORCV_DOESCPY 96
206#define SCTP_SORCV_DOESLCK 97
207#define SCTP_SORCV_DOESADJ 98
208#define SCTP_SORCV_BOTWHILE 99
209#define SCTP_SORCV_PASSBF 100
210#define SCTP_SORCV_ADJD 101
211#define SCTP_UNKNOWN_MAX 102
212#define SCTP_RANDY_STUFF 103
213#define SCTP_RANDY_STUFF1 104
214#define SCTP_STRMOUT_LOG_ASSIGN 105
215#define SCTP_STRMOUT_LOG_SEND 106
216#define SCTP_FLIGHT_LOG_DOWN_CA 107
217#define SCTP_FLIGHT_LOG_UP 108
218#define SCTP_FLIGHT_LOG_DOWN_GAP 109
219#define SCTP_FLIGHT_LOG_DOWN_RSND 110
220#define SCTP_FLIGHT_LOG_UP_RSND 111
221#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112
222#define SCTP_FLIGHT_LOG_DOWN_WP 113
223#define SCTP_FLIGHT_LOG_UP_REVOKE 114
224#define SCTP_FLIGHT_LOG_DOWN_PDRP 115
225#define SCTP_FLIGHT_LOG_DOWN_PMTU 116
226#define SCTP_SACK_LOG_NORMAL 117
227#define SCTP_SACK_LOG_EXPRESS 118
228#define SCTP_MAP_TSN_ENTERS 119
229#define SCTP_THRESHOLD_CLEAR 120
230#define SCTP_THRESHOLD_INCR 121
231#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122
| 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#define SCTP_USE_THREAD_BASED_ITERATOR 1
91
92#define SCTP_KTRHEAD_NAME "sctp_iterator"
93#define SCTP_KTHREAD_PAGES 2
94
95
96/* If you support Multi-VRF how big to
97 * make the initial array of VRF's to.
98 */
99#define SCTP_DEFAULT_VRF_SIZE 4
100
101/* constants for rto calc */
102#define sctp_align_safe_nocopy 0
103#define sctp_align_unsafe_makecopy 1
104
105/* JRS - Values defined for the HTCP algorithm */
106#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
107#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */
108#define BETA_MAX 102 /* 0.8 with shift << 7 */
109
110/* Places that CWND log can happen from */
111#define SCTP_CWND_LOG_FROM_FR 1
112#define SCTP_CWND_LOG_FROM_RTX 2
113#define SCTP_CWND_LOG_FROM_BRST 3
114#define SCTP_CWND_LOG_FROM_SS 4
115#define SCTP_CWND_LOG_FROM_CA 5
116#define SCTP_CWND_LOG_FROM_SAT 6
117#define SCTP_BLOCK_LOG_INTO_BLK 7
118#define SCTP_BLOCK_LOG_OUTOF_BLK 8
119#define SCTP_BLOCK_LOG_CHECK 9
120#define SCTP_STR_LOG_FROM_INTO_STRD 10
121#define SCTP_STR_LOG_FROM_IMMED_DEL 11
122#define SCTP_STR_LOG_FROM_INSERT_HD 12
123#define SCTP_STR_LOG_FROM_INSERT_MD 13
124#define SCTP_STR_LOG_FROM_INSERT_TL 14
125#define SCTP_STR_LOG_FROM_MARK_TSN 15
126#define SCTP_STR_LOG_FROM_EXPRS_DEL 16
127#define SCTP_FR_LOG_BIGGEST_TSNS 17
128#define SCTP_FR_LOG_STRIKE_TEST 18
129#define SCTP_FR_LOG_STRIKE_CHUNK 19
130#define SCTP_FR_T3_TIMEOUT 20
131#define SCTP_MAP_PREPARE_SLIDE 21
132#define SCTP_MAP_SLIDE_FROM 22
133#define SCTP_MAP_SLIDE_RESULT 23
134#define SCTP_MAP_SLIDE_CLEARED 24
135#define SCTP_MAP_SLIDE_NONE 25
136#define SCTP_FR_T3_MARK_TIME 26
137#define SCTP_FR_T3_MARKED 27
138#define SCTP_FR_T3_STOPPED 28
139#define SCTP_FR_MARKED 30
140#define SCTP_CWND_LOG_NOADV_SS 31
141#define SCTP_CWND_LOG_NOADV_CA 32
142#define SCTP_MAX_BURST_APPLIED 33
143#define SCTP_MAX_IFP_APPLIED 34
144#define SCTP_MAX_BURST_ERROR_STOP 35
145#define SCTP_INCREASE_PEER_RWND 36
146#define SCTP_DECREASE_PEER_RWND 37
147#define SCTP_SET_PEER_RWND_VIA_SACK 38
148#define SCTP_LOG_MBCNT_INCREASE 39
149#define SCTP_LOG_MBCNT_DECREASE 40
150#define SCTP_LOG_MBCNT_CHKSET 41
151#define SCTP_LOG_NEW_SACK 42
152#define SCTP_LOG_TSN_ACKED 43
153#define SCTP_LOG_TSN_REVOKED 44
154#define SCTP_LOG_LOCK_TCB 45
155#define SCTP_LOG_LOCK_INP 46
156#define SCTP_LOG_LOCK_SOCK 47
157#define SCTP_LOG_LOCK_SOCKBUF_R 48
158#define SCTP_LOG_LOCK_SOCKBUF_S 49
159#define SCTP_LOG_LOCK_CREATE 50
160#define SCTP_LOG_INITIAL_RTT 51
161#define SCTP_LOG_RTTVAR 52
162#define SCTP_LOG_SBALLOC 53
163#define SCTP_LOG_SBFREE 54
164#define SCTP_LOG_SBRESULT 55
165#define SCTP_FR_DUPED 56
166#define SCTP_FR_MARKED_EARLY 57
167#define SCTP_FR_CWND_REPORT 58
168#define SCTP_FR_CWND_REPORT_START 59
169#define SCTP_FR_CWND_REPORT_STOP 60
170#define SCTP_CWND_LOG_FROM_SEND 61
171#define SCTP_CWND_INITIALIZATION 62
172#define SCTP_CWND_LOG_FROM_T3 63
173#define SCTP_CWND_LOG_FROM_SACK 64
174#define SCTP_CWND_LOG_NO_CUMACK 65
175#define SCTP_CWND_LOG_FROM_RESEND 66
176#define SCTP_FR_LOG_CHECK_STRIKE 67
177#define SCTP_SEND_NOW_COMPLETES 68
178#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69
179#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70
180#define SCTP_LOG_FREE_SENT 71
181#define SCTP_NAGLE_APPLIED 72
182#define SCTP_NAGLE_SKIPPED 73
183#define SCTP_WAKESND_FROM_SACK 74
184#define SCTP_WAKESND_FROM_FWDTSN 75
185#define SCTP_NOWAKE_FROM_SACK 76
186#define SCTP_CWNDLOG_PRESEND 77
187#define SCTP_CWNDLOG_ENDSEND 78
188#define SCTP_AT_END_OF_SACK 79
189#define SCTP_REASON_FOR_SC 80
190#define SCTP_BLOCK_LOG_INTO_BLKA 81
191#define SCTP_ENTER_USER_RECV 82
192#define SCTP_USER_RECV_SACKS 83
193#define SCTP_SORECV_BLOCKSA 84
194#define SCTP_SORECV_BLOCKSB 85
195#define SCTP_SORECV_DONE 86
196#define SCTP_SACK_RWND_UPDATE 87
197#define SCTP_SORECV_ENTER 88
198#define SCTP_SORECV_ENTERPL 89
199#define SCTP_MBUF_INPUT 90
200#define SCTP_MBUF_IALLOC 91
201#define SCTP_MBUF_IFREE 92
202#define SCTP_MBUF_ICOPY 93
203#define SCTP_MBUF_SPLIT 94
204#define SCTP_SORCV_FREECTL 95
205#define SCTP_SORCV_DOESCPY 96
206#define SCTP_SORCV_DOESLCK 97
207#define SCTP_SORCV_DOESADJ 98
208#define SCTP_SORCV_BOTWHILE 99
209#define SCTP_SORCV_PASSBF 100
210#define SCTP_SORCV_ADJD 101
211#define SCTP_UNKNOWN_MAX 102
212#define SCTP_RANDY_STUFF 103
213#define SCTP_RANDY_STUFF1 104
214#define SCTP_STRMOUT_LOG_ASSIGN 105
215#define SCTP_STRMOUT_LOG_SEND 106
216#define SCTP_FLIGHT_LOG_DOWN_CA 107
217#define SCTP_FLIGHT_LOG_UP 108
218#define SCTP_FLIGHT_LOG_DOWN_GAP 109
219#define SCTP_FLIGHT_LOG_DOWN_RSND 110
220#define SCTP_FLIGHT_LOG_UP_RSND 111
221#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112
222#define SCTP_FLIGHT_LOG_DOWN_WP 113
223#define SCTP_FLIGHT_LOG_UP_REVOKE 114
224#define SCTP_FLIGHT_LOG_DOWN_PDRP 115
225#define SCTP_FLIGHT_LOG_DOWN_PMTU 116
226#define SCTP_SACK_LOG_NORMAL 117
227#define SCTP_SACK_LOG_EXPRESS 118
228#define SCTP_MAP_TSN_ENTERS 119
229#define SCTP_THRESHOLD_CLEAR 120
230#define SCTP_THRESHOLD_INCR 121
231#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122
|
232
233#define SCTP_LOG_MAX_TYPES 123
| 232#define SCTP_FWD_TSN_CHECK 123
233#define SCTP_LOG_MAX_TYPES 124
|
234/*
235 * To turn on various logging, you must first enable 'options KTR' and
236 * you might want to bump the entires 'options KTR_ENTRIES=80000'.
237 * To get something to log you define one of the logging defines.
238 * (see LINT).
239 *
240 * This gets the compile in place, but you still need to turn the
241 * logging flag on too in the sysctl (see in sctp.h).
242 */
243
244#define SCTP_LOG_EVENT_UNKNOWN 0
245#define SCTP_LOG_EVENT_CWND 1
246#define SCTP_LOG_EVENT_BLOCK 2
247#define SCTP_LOG_EVENT_STRM 3
248#define SCTP_LOG_EVENT_FR 4
249#define SCTP_LOG_EVENT_MAP 5
250#define SCTP_LOG_EVENT_MAXBURST 6
251#define SCTP_LOG_EVENT_RWND 7
252#define SCTP_LOG_EVENT_MBCNT 8
253#define SCTP_LOG_EVENT_SACK 9
254#define SCTP_LOG_LOCK_EVENT 10
255#define SCTP_LOG_EVENT_RTT 11
256#define SCTP_LOG_EVENT_SB 12
257#define SCTP_LOG_EVENT_NAGLE 13
258#define SCTP_LOG_EVENT_WAKE 14
259#define SCTP_LOG_MISC_EVENT 15
260#define SCTP_LOG_EVENT_CLOSE 16
261#define SCTP_LOG_EVENT_MBUF 17
262#define SCTP_LOG_CHUNK_PROC 18
263#define SCTP_LOG_ERROR_RET 19
264
265#define SCTP_LOG_MAX_EVENT 20
266
267#define SCTP_LOCK_UNKNOWN 2
268
269
270/* number of associations by default for zone allocation */
271#define SCTP_MAX_NUM_OF_ASOC 40000
272/* how many addresses per assoc remote and local */
273#define SCTP_SCALE_FOR_ADDR 2
274
275/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
276#if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF)
277#define SCTP_DEFAULT_AUTO_ASCONF 0
278#else
279#define SCTP_DEFAULT_AUTO_ASCONF 1
280#endif
281
282/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */
283#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0
284
285/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */
286#if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_BASE)
287#define SCTP_DEFAULT_MOBILITY_BASE 0
288#else
289#define SCTP_DEFAULT_MOBILITY_BASE 0
290#endif
291
292/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */
293#if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_FASTHANDOFF)
294#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
295#else
296#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
297#endif
298
299/*
300 * Theshold for rwnd updates, we have to read (sb_hiwat >>
301 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a
302 * window update sack. When we look, we compare the last rwnd we sent vs the
303 * current rwnd. It too must be greater than this value. Using 3 divdes the
304 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need
305 * to read 8k. This seems about right.. I hope :-D.. we do set a
306 * min of a MTU on it so if the rwnd is real small we will insist
307 * on a full MTU of 1500 bytes.
308 */
309#define SCTP_RWND_HIWAT_SHIFT 3
310
311/* How much of the rwnd must the
312 * message be taking up to start partial delivery.
313 * We calculate this by shifing the hi_water (recv_win)
314 * left the following .. set to 1, when a message holds
315 * 1/2 the rwnd. If we set it to 2 when a message holds
316 * 1/4 the rwnd...etc..
317 */
318
319#define SCTP_PARTIAL_DELIVERY_SHIFT 1
320
321/*
322 * default HMAC for cookies, etc... use one of the AUTH HMAC id's
323 * SCTP_HMAC is the HMAC_ID to use
324 * SCTP_SIGNATURE_SIZE is the digest length
325 */
326#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1
327#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1
328#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE
329
330/*
331 * the SCTP protocol signature this includes the version number encoded in
332 * the last 4 bits of the signature.
333 */
334#define PROTO_SIGNATURE_A 0x30000000
335#define SCTP_VERSION_NUMBER 0x3
336
337#define MAX_TSN 0xffffffff
338#define MAX_SEQ 0xffff
339
340/* how many executions every N tick's */
341#define SCTP_ITERATOR_MAX_AT_ONCE 20
342
343/* number of clock ticks between iterator executions */
344#define SCTP_ITERATOR_TICKS 1
345
346/*
347 * option: If you comment out the following you will receive the old behavior
348 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR
349 * happens right away with-out waiting for the flightsize to drop below the
350 * cwnd value (which is reduced by the FR to 1/2 the inflight packets).
351 */
352#define SCTP_IGNORE_CWND_ON_FR 1
353
354/*
355 * Adds implementors guide behavior to only use newest highest update in SACK
356 * gap ack's to figure out if you need to stroke a chunk for FR.
357 */
358#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
359
360/* default max I can burst out after a fast retransmit */
361#define SCTP_DEF_MAX_BURST 4
362/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */
363#define SCTP_FIRST_MBUF_RESV 68
364/* Packet transmit states in the sent field */
365#define SCTP_DATAGRAM_UNSENT 0
366#define SCTP_DATAGRAM_SENT 1
367#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may
368 * hit this value) */
369#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
370 * hit this value) */
371#define SCTP_DATAGRAM_RESEND 4
372#define SCTP_DATAGRAM_ACKED 10010
373/* EY
374 * If a tsn is nr-gapped, its first tagged as NR_MARKED and then NR_ACKED
375 * When yet another nr-sack is received, if a particular TSN's sent tag
376 * is observed to be NR_ACKED after gap-ack info is processed, this implies
377 * that particular TSN is reneged
378*/
379#define SCTP_DATAGRAM_NR_ACKED 10020
380#define SCTP_DATAGRAM_NR_MARKED 20005
381#define SCTP_DATAGRAM_MARKED 20010
382#define SCTP_FORWARD_TSN_SKIP 30010
383
384/* chunk output send from locations */
385#define SCTP_OUTPUT_FROM_USR_SEND 0
386#define SCTP_OUTPUT_FROM_T3 1
387#define SCTP_OUTPUT_FROM_INPUT_ERROR 2
388#define SCTP_OUTPUT_FROM_CONTROL_PROC 3
389#define SCTP_OUTPUT_FROM_SACK_TMR 4
390#define SCTP_OUTPUT_FROM_SHUT_TMR 5
391#define SCTP_OUTPUT_FROM_HB_TMR 6
392#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7
393#define SCTP_OUTPUT_FROM_ASCONF_TMR 8
394#define SCTP_OUTPUT_FROM_STRRST_TMR 9
395#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10
396#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11
397#define SCTP_OUTPUT_FROM_STRRST_REQ 12
398#define SCTP_OUTPUT_FROM_USR_RCVD 13
399#define SCTP_OUTPUT_FROM_COOKIE_ACK 14
400#define SCTP_OUTPUT_FROM_DRAIN 15
401#define SCTP_OUTPUT_FROM_CLOSING 16
402/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */
403
404/* align to 32-bit sizes */
405#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2)
406
407#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
408#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
409
410
411/* SCTP parameter types */
412/*************0x0000 series*************/
413#define SCTP_HEARTBEAT_INFO 0x0001
414#define SCTP_IPV4_ADDRESS 0x0005
415#define SCTP_IPV6_ADDRESS 0x0006
416#define SCTP_STATE_COOKIE 0x0007
417#define SCTP_UNRECOG_PARAM 0x0008
418#define SCTP_COOKIE_PRESERVE 0x0009
419#define SCTP_HOSTNAME_ADDRESS 0x000b
420#define SCTP_SUPPORTED_ADDRTYPE 0x000c
421
422/* draft-ietf-stewart-tsvwg-strreset-xxx */
423#define SCTP_STR_RESET_OUT_REQUEST 0x000d
424#define SCTP_STR_RESET_IN_REQUEST 0x000e
425#define SCTP_STR_RESET_TSN_REQUEST 0x000f
426#define SCTP_STR_RESET_RESPONSE 0x0010
427#define SCTP_STR_RESET_ADD_STREAMS 0x0011
428
429#define SCTP_MAX_RESET_PARAMS 2
430#define SCTP_STREAM_RESET_TSN_DELTA 0x1000
431
432/*************0x4000 series*************/
433
434/*************0x8000 series*************/
435#define SCTP_ECN_CAPABLE 0x8000
436/* ECN Nonce: draft-ladha-sctp-ecn-nonce */
437#define SCTP_ECN_NONCE_SUPPORTED 0x8001
438/* draft-ietf-tsvwg-auth-xxx */
439#define SCTP_RANDOM 0x8002
440#define SCTP_CHUNK_LIST 0x8003
441#define SCTP_HMAC_LIST 0x8004
442/*
443 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte
444 * | Byte Byte | Byte ...
445 *
446 * Where each byte is a chunk type extension supported. For example, to support
447 * all chunks one would have (in hex):
448 *
449 * 80 01 00 09 C0 C1 80 81 82 00 00 00
450 *
451 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81
452 * = Packet Drop 82 = Stream Reset 83 = Authentication
453 */
454#define SCTP_SUPPORTED_CHUNK_EXT 0x8008
455
456/*************0xC000 series*************/
457#define SCTP_PRSCTP_SUPPORTED 0xc000
458/* draft-ietf-tsvwg-addip-sctp */
459#define SCTP_ADD_IP_ADDRESS 0xc001
460#define SCTP_DEL_IP_ADDRESS 0xc002
461#define SCTP_ERROR_CAUSE_IND 0xc003
462#define SCTP_SET_PRIM_ADDR 0xc004
463#define SCTP_SUCCESS_REPORT 0xc005
464#define SCTP_ULP_ADAPTATION 0xc006
465/* behave-nat-draft */
466#define SCTP_HAS_NAT_SUPPORT 0xc007
467#define SCTP_NAT_VTAGS 0xc008
468
469/* Notification error codes */
470#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001
471#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002
472#define SCTP_FAILED_THRESHOLD 0x0004
473#define SCTP_HEARTBEAT_SUCCESS 0x0008
474#define SCTP_RESPONSE_TO_USER_REQ 0x0010
475#define SCTP_INTERNAL_ERROR 0x0020
476#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040
477#define SCTP_RECEIVED_SACK 0x0080
478#define SCTP_PEER_FAULTY 0x0100
479#define SCTP_ICMP_REFUSED 0x0200
480
481/* bits for TOS field */
482#define SCTP_ECT0_BIT 0x02
483#define SCTP_ECT1_BIT 0x01
484#define SCTP_CE_BITS 0x03
485
486/* below turns off above */
487#define SCTP_FLEXIBLE_ADDRESS 0x20
488#define SCTP_NO_HEARTBEAT 0x40
489
490/* mask to get sticky */
491#define SCTP_STICKY_OPTIONS_MASK 0x0c
492
493
494/*
495 * SCTP states for internal state machine XXX (should match "user" values)
496 */
497#define SCTP_STATE_EMPTY 0x0000
498#define SCTP_STATE_INUSE 0x0001
499#define SCTP_STATE_COOKIE_WAIT 0x0002
500#define SCTP_STATE_COOKIE_ECHOED 0x0004
501#define SCTP_STATE_OPEN 0x0008
502#define SCTP_STATE_SHUTDOWN_SENT 0x0010
503#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
504#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
505#define SCTP_STATE_SHUTDOWN_PENDING 0x0080
506#define SCTP_STATE_CLOSED_SOCKET 0x0100
507#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200
508#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400
509#define SCTP_STATE_WAS_ABORTED 0x0800
510#define SCTP_STATE_MASK 0x007f
511
512#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK)
513#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate)
514#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate)
515#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate)
516
517/* SCTP reachability state for each address */
518#define SCTP_ADDR_REACHABLE 0x001
519#define SCTP_ADDR_NOT_REACHABLE 0x002
520#define SCTP_ADDR_NOHB 0x004
521#define SCTP_ADDR_BEING_DELETED 0x008
522#define SCTP_ADDR_NOT_IN_ASSOC 0x010
523#define SCTP_ADDR_WAS_PRIMARY 0x020
524#define SCTP_ADDR_SWITCH_PRIMARY 0x040
525#define SCTP_ADDR_OUT_OF_SCOPE 0x080
526#define SCTP_ADDR_DOUBLE_SWITCH 0x100
527#define SCTP_ADDR_UNCONFIRMED 0x200
528#define SCTP_ADDR_REQ_PRIMARY 0x400
529/* JRS 5/13/07 - Added potentially failed state for CMT PF */
530#define SCTP_ADDR_PF 0x800
531#define SCTP_REACHABLE_MASK 0x203
532
533/* bound address types (e.g. valid address types to allow) */
534#define SCTP_BOUND_V6 0x01
535#define SCTP_BOUND_V4 0x02
536
537/*
538 * what is the default number of mbufs in a chain I allow before switching to
539 * a cluster
540 */
541#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
542
543/* How long a cookie lives in milli-seconds */
544#define SCTP_DEFAULT_COOKIE_LIFE 60000
545
546/* resource limit of streams */
547#define MAX_SCTP_STREAMS 2048
548
549/* Maximum the mapping array will grow to (TSN mapping array) */
550#define SCTP_MAPPING_ARRAY 512
551
552/* size of the inital malloc on the mapping array */
553#define SCTP_INITIAL_MAPPING_ARRAY 16
554/* how much we grow the mapping array each call */
555#define SCTP_MAPPING_ARRAY_INCR 32
556/* EY 05/13/08 - nr_sack version of the previous 3 constants */
557/* Maximum the nr mapping array will grow to (TSN mapping array) */
558#define SCTP_NR_MAPPING_ARRAY 512
559/* size of the inital malloc on the nr mapping array */
560#define SCTP_INITIAL_NR_MAPPING_ARRAY 16
561/* how much we grow the nr mapping array each call */
562#define SCTP_NR_MAPPING_ARRAY_INCR 32
563/*
564 * Here we define the timer types used by the implementation as arguments in
565 * the set/get timer type calls.
566 */
567#define SCTP_TIMER_INIT 0
568#define SCTP_TIMER_RECV 1
569#define SCTP_TIMER_SEND 2
570#define SCTP_TIMER_HEARTBEAT 3
571#define SCTP_TIMER_PMTU 4
572#define SCTP_TIMER_MAXSHUTDOWN 5
573#define SCTP_TIMER_SIGNATURE 6
574/*
575 * number of timer types in the base SCTP structure used in the set/get and
576 * has the base default.
577 */
578#define SCTP_NUM_TMRS 7
579
580/* timer types */
581#define SCTP_TIMER_TYPE_NONE 0
582#define SCTP_TIMER_TYPE_SEND 1
583#define SCTP_TIMER_TYPE_INIT 2
584#define SCTP_TIMER_TYPE_RECV 3
585#define SCTP_TIMER_TYPE_SHUTDOWN 4
586#define SCTP_TIMER_TYPE_HEARTBEAT 5
587#define SCTP_TIMER_TYPE_COOKIE 6
588#define SCTP_TIMER_TYPE_NEWCOOKIE 7
589#define SCTP_TIMER_TYPE_PATHMTURAISE 8
590#define SCTP_TIMER_TYPE_SHUTDOWNACK 9
591#define SCTP_TIMER_TYPE_ASCONF 10
592#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
593#define SCTP_TIMER_TYPE_AUTOCLOSE 12
594#define SCTP_TIMER_TYPE_EVENTWAKE 13
595#define SCTP_TIMER_TYPE_STRRESET 14
596#define SCTP_TIMER_TYPE_INPKILL 15
597#define SCTP_TIMER_TYPE_ITERATOR 16
598#define SCTP_TIMER_TYPE_EARLYFR 17
599#define SCTP_TIMER_TYPE_ASOCKILL 18
600#define SCTP_TIMER_TYPE_ADDR_WQ 19
601#define SCTP_TIMER_TYPE_ZERO_COPY 20
602#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21
603#define SCTP_TIMER_TYPE_PRIM_DELETED 22
604/* add new timers here - and increment LAST */
605#define SCTP_TIMER_TYPE_LAST 23
606
607#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
608 ((t) < SCTP_TIMER_TYPE_LAST))
609
610
611
612/* max number of TSN's dup'd that I will hold */
613#define SCTP_MAX_DUP_TSNS 20
614
615/*
616 * Here we define the types used when setting the retry amounts.
617 */
618/* How many drop re-attempts we make on INIT/COOKIE-ECHO */
619#define SCTP_RETRY_DROPPED_THRESH 4
620
621/*
622 * Maxmium number of chunks a single association can have on it. Note that
623 * this is a squishy number since the count can run over this if the user
624 * sends a large message down .. the fragmented chunks don't count until
625 * AFTER the message is on queue.. it would be the next send that blocks
626 * things. This number will get tuned up at boot in the sctp_init and use the
627 * number of clusters as a base. This way high bandwidth environments will
628 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks
629 */
630#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
631
632
633/* The conversion from time to ticks and vice versa is done by rounding
634 * upwards. This way we can test in the code the time to be positive and
635 * know that this corresponds to a positive number of ticks.
636 */
637#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000))
638#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz))
639
640#define SEC_TO_TICKS(x) ((x) * hz)
641#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz)
642
643/*
644 * Basically the minimum amount of time before I do a early FR. Making this
645 * value to low will cause duplicate retransmissions.
646 */
647#define SCTP_MINFR_MSEC_TIMER 250
648/* The floor this value is allowed to fall to when starting a timer. */
649#define SCTP_MINFR_MSEC_FLOOR 20
650
651/* init timer def = 1 sec */
652#define SCTP_INIT_SEC 1
653
654/* send timer def = 1 seconds */
655#define SCTP_SEND_SEC 1
656
657/* recv timer def = 200ms */
658#define SCTP_RECV_MSEC 200
659
660/* 30 seconds + RTO (in ms) */
661#define SCTP_HB_DEFAULT_MSEC 30000
662
663/* Max time I will wait for Shutdown to complete */
664#define SCTP_DEF_MAX_SHUTDOWN_SEC 180
665
666
667/*
668 * This is how long a secret lives, NOT how long a cookie lives how many
669 * ticks the current secret will live.
670 */
671#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
672
673#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
674#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */
675#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */
676#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
677
678
679#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */
680#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */
681
682#define SCTP_DEF_MAX_INIT 8
683#define SCTP_DEF_MAX_SEND 10
684#define SCTP_DEF_MAX_PATH_RTX 5
685
686#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
687
688
689/* How many streams I request initally by default */
690#define SCTP_OSTREAM_INITIAL 10
691
692/*
693 * How many smallest_mtu's need to increase before a window update sack is
694 * sent (should be a power of 2).
695 */
696/* Send window update (incr * this > hiwat). Should be a power of 2 */
697#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
698
699#define SCTP_ADDRMAX 24
700
701/* SCTP DEBUG Switch parameters */
702#define SCTP_DEBUG_TIMER1 0x00000001
703#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */
704#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */
705#define SCTP_DEBUG_TIMER4 0x00000008
706#define SCTP_DEBUG_OUTPUT1 0x00000010
707#define SCTP_DEBUG_OUTPUT2 0x00000020
708#define SCTP_DEBUG_OUTPUT3 0x00000040
709#define SCTP_DEBUG_OUTPUT4 0x00000080
710#define SCTP_DEBUG_UTIL1 0x00000100
711#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */
712#define SCTP_DEBUG_AUTH1 0x00000400
713#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */
714#define SCTP_DEBUG_INPUT1 0x00001000
715#define SCTP_DEBUG_INPUT2 0x00002000
716#define SCTP_DEBUG_INPUT3 0x00004000
717#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */
718#define SCTP_DEBUG_ASCONF1 0x00010000
719#define SCTP_DEBUG_ASCONF2 0x00020000
720#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */
721#define SCTP_DEBUG_XXX 0x00080000 /* unused */
722#define SCTP_DEBUG_PCB1 0x00100000
723#define SCTP_DEBUG_PCB2 0x00200000 /* unused */
724#define SCTP_DEBUG_PCB3 0x00400000
725#define SCTP_DEBUG_PCB4 0x00800000
726#define SCTP_DEBUG_INDATA1 0x01000000
727#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */
728#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */
729#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */
730#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */
731#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */
732#define SCTP_DEBUG_PEEL1 0x40000000
733#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */
734#define SCTP_DEBUG_ALL 0x7ff3ffff
735#define SCTP_DEBUG_NOISY 0x00040000
736
737/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
738#define SCTP_SWS_SENDER_DEF 1420
739
740/*
741 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1
742 * would be hiwat/2 etc.
743 */
744/* What receiver needs to see in sockbuf or we tell peer its 1 */
745#define SCTP_SWS_RECEIVER_DEF 3000
746
747#define SCTP_INITIAL_CWND 4380
748
749#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */
750/* amount peer is obligated to have in rwnd or I will abort */
751#define SCTP_MIN_RWND 1500
752
753#define SCTP_DEFAULT_MAXSEGMENT 65535
754
755#define SCTP_CHUNK_BUFFER_SIZE 512
756#define SCTP_PARAM_BUFFER_SIZE 512
757
758/* small chunk store for looking at chunk_list in auth */
759#define SCTP_SMALL_CHUNK_STORE 260
760
761#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
762#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
763
764#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
765#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
766
767
768/*
769 * SCTP upper layer notifications
770 */
771#define SCTP_NOTIFY_ASSOC_UP 1
772#define SCTP_NOTIFY_ASSOC_DOWN 2
773#define SCTP_NOTIFY_INTERFACE_DOWN 3
774#define SCTP_NOTIFY_INTERFACE_UP 4
775#define SCTP_NOTIFY_DG_FAIL 5
776#define SCTP_NOTIFY_STRDATA_ERR 6
777#define SCTP_NOTIFY_ASSOC_ABORTED 7
778#define SCTP_NOTIFY_PEER_OPENED_STREAM 8
779#define SCTP_NOTIFY_STREAM_OPENED_OK 9
780#define SCTP_NOTIFY_ASSOC_RESTART 10
781#define SCTP_NOTIFY_HB_RESP 11
782#define SCTP_NOTIFY_ASCONF_SUCCESS 12
783#define SCTP_NOTIFY_ASCONF_FAILED 13
784#define SCTP_NOTIFY_PEER_SHUTDOWN 14
785#define SCTP_NOTIFY_ASCONF_ADD_IP 15
786#define SCTP_NOTIFY_ASCONF_DELETE_IP 16
787#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17
788#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18
789#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20
790#define SCTP_NOTIFY_STR_RESET_RECV 21
791#define SCTP_NOTIFY_STR_RESET_SEND 22
792#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23
793#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24
794#define SCTP_NOTIFY_AUTH_NEW_KEY 25
795#define SCTP_NOTIFY_AUTH_FREE_KEY 26
796#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27
797#define SCTP_NOTIFY_NO_PEER_AUTH 28
798#define SCTP_NOTIFY_SENDER_DRY 29
799#define SCTP_NOTIFY_STR_RESET_ADD_OK 30
800#define SCTP_NOTIFY_STR_RESET_ADD_FAIL 31
801#define SCTP_NOTIFY_STR_RESET_INSTREAM_ADD_OK 32
802#define SCTP_NOTIFY_MAX 32
803
804
805/* This is the value for messages that are NOT completely
806 * copied down where we will start to split the message.
807 * So, with our default, we split only if the piece we
808 * want to take will fill up a full MTU (assuming
809 * a 1500 byte MTU).
810 */
811#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
812
813/* ABORT CODES and other tell-tale location
814 * codes are generated by adding the below
815 * to the instance id.
816 */
817
818/* File defines */
819#define SCTP_FROM_SCTP_INPUT 0x10000000
820#define SCTP_FROM_SCTP_PCB 0x20000000
821#define SCTP_FROM_SCTP_INDATA 0x30000000
822#define SCTP_FROM_SCTP_TIMER 0x40000000
823#define SCTP_FROM_SCTP_USRREQ 0x50000000
824#define SCTP_FROM_SCTPUTIL 0x60000000
825#define SCTP_FROM_SCTP6_USRREQ 0x70000000
826#define SCTP_FROM_SCTP_ASCONF 0x80000000
827#define SCTP_FROM_SCTP_OUTPUT 0x90000000
828#define SCTP_FROM_SCTP_PEELOFF 0xa0000000
829#define SCTP_FROM_SCTP_PANDA 0xb0000000
830#define SCTP_FROM_SCTP_SYSCTL 0xc0000000
831
832/* Location ID's */
833#define SCTP_LOC_1 0x00000001
834#define SCTP_LOC_2 0x00000002
835#define SCTP_LOC_3 0x00000003
836#define SCTP_LOC_4 0x00000004
837#define SCTP_LOC_5 0x00000005
838#define SCTP_LOC_6 0x00000006
839#define SCTP_LOC_7 0x00000007
840#define SCTP_LOC_8 0x00000008
841#define SCTP_LOC_9 0x00000009
842#define SCTP_LOC_10 0x0000000a
843#define SCTP_LOC_11 0x0000000b
844#define SCTP_LOC_12 0x0000000c
845#define SCTP_LOC_13 0x0000000d
846#define SCTP_LOC_14 0x0000000e
847#define SCTP_LOC_15 0x0000000f
848#define SCTP_LOC_16 0x00000010
849#define SCTP_LOC_17 0x00000011
850#define SCTP_LOC_18 0x00000012
851#define SCTP_LOC_19 0x00000013
852#define SCTP_LOC_20 0x00000014
853#define SCTP_LOC_21 0x00000015
854#define SCTP_LOC_22 0x00000016
855#define SCTP_LOC_23 0x00000017
856#define SCTP_LOC_24 0x00000018
857#define SCTP_LOC_25 0x00000019
858#define SCTP_LOC_26 0x0000001a
859#define SCTP_LOC_27 0x0000001b
860#define SCTP_LOC_28 0x0000001c
861#define SCTP_LOC_29 0x0000001d
862#define SCTP_LOC_30 0x0000001e
863#define SCTP_LOC_31 0x0000001f
864#define SCTP_LOC_32 0x00000020
865#define SCTP_LOC_33 0x00000021
866
867
868/* Free assoc codes */
869#define SCTP_NORMAL_PROC 0
870#define SCTP_PCBFREE_NOFORCE 1
871#define SCTP_PCBFREE_FORCE 2
872
873/* From codes for adding addresses */
874#define SCTP_ADDR_IS_CONFIRMED 8
875#define SCTP_ADDR_DYNAMIC_ADDED 6
876#define SCTP_IN_COOKIE_PROC 100
877#define SCTP_ALLOC_ASOC 1
878#define SCTP_LOAD_ADDR_2 2
879#define SCTP_LOAD_ADDR_3 3
880#define SCTP_LOAD_ADDR_4 4
881#define SCTP_LOAD_ADDR_5 5
882
883#define SCTP_DONOT_SETSCOPE 0
884#define SCTP_DO_SETSCOPE 1
885
886
887/* This value determines the default for when
888 * we try to add more on the send queue., if
889 * there is room. This prevents us from cycling
890 * into the copy_resume routine to often if
891 * we have not got enough space to add a decent
892 * enough size message. Note that if we have enough
893 * space to complete the message copy we will always
894 * add to the message, no matter what the size. Its
895 * only when we reach the point that we have some left
896 * to add, there is only room for part of it that we
897 * will use this threshold. Its also a sysctl.
898 */
899#define SCTP_DEFAULT_ADD_MORE 1452
900
901#ifndef SCTP_PCBHASHSIZE
902/* default number of association hash buckets in each endpoint */
903#define SCTP_PCBHASHSIZE 256
904#endif
905#ifndef SCTP_TCBHASHSIZE
906#define SCTP_TCBHASHSIZE 1024
907#endif
908
909#ifndef SCTP_CHUNKQUEUE_SCALE
910#define SCTP_CHUNKQUEUE_SCALE 10
911#endif
912
913/* clock variance is 1 ms */
914#define SCTP_CLOCK_GRANULARITY 1
915#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this
916 * detracts a small amount for ipv4 but it
917 * simplifies the ipv6 addition */
918
919/* Argument magic number for sctp_inpcb_free() */
920
921/* third argument */
922#define SCTP_CALLED_DIRECTLY_NOCMPSET 0
923#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
924
925/* second argument */
926#define SCTP_FREE_SHOULD_USE_ABORT 1
927#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
928
929#ifndef IPPROTO_SCTP
930#define IPPROTO_SCTP 132 /* the Official IANA number :-) */
931#endif /* !IPPROTO_SCTP */
932
933#define SCTP_MAX_DATA_BUNDLING 256
934
935/* modular comparison */
936/* True if a > b (mod = M) */
937#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \
938 ((b > a) && ((b - a) > ((M >> 1) + 1))))
939
940
941/* Mapping array manipulation routines */
942#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
943#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
944#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
945
946
947#define SCTP_RETRAN_DONE -1
948#define SCTP_RETRAN_EXIT -2
949
950/*
951 * This value defines the number of vtag block time wait entry's per list
952 * element. Each entry will take 2 4 byte ints (and of course the overhead
953 * of the next pointer as well). Using 15 as an example will yield * ((8 *
954 * 15) + 8) or 128 bytes of overhead for each timewait block that gets
955 * initialized. Increasing it to 31 would yeild 256 bytes per block.
956 */
957#define SCTP_NUMBER_IN_VTAG_BLOCK 15
958/*
959 * If we use the STACK option, we have an array of this size head pointers.
960 * This array is mod'd the with the size to find which bucket and then all
961 * entries must be searched to see if the tag is in timed wait. If so we
962 * reject it.
963 */
964#define SCTP_STACK_VTAG_HASH_SIZE 32
965
966/*
967 * Number of seconds of time wait for a vtag.
968 */
969#define SCTP_TIME_WAIT 60
970
971/* The system retains a cache of free chunks such to
972 * cut down on calls the memory allocation system. There
973 * is a per association limit of free items and a overall
974 * system limit. If either one gets hit then the resource
975 * stops being cached.
976 */
977
978#define SCTP_DEF_ASOC_RESC_LIMIT 10
979#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
980
981/*-
982 * defines for socket lock states.
983 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING
984 */
985#define SCTP_SO_LOCKED 1
986#define SCTP_SO_NOT_LOCKED 0
987
988
989#define SCTP_HOLDS_LOCK 1
990#define SCTP_NOT_LOCKED 0
991
992/*-
993 * For address locks, do we hold the lock?
994 */
995#define SCTP_ADDR_LOCKED 1
996#define SCTP_ADDR_NOT_LOCKED 0
997
998#define IN4_ISPRIVATE_ADDRESS(a) \
999 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \
1000 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \
1001 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \
1002 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
1003 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \
1004 (((uint8_t *)&(a)->s_addr)[1] == 168)))
1005
1006#define IN4_ISLOOPBACK_ADDRESS(a) \
1007 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \
1008 (((uint8_t *)&(a)->s_addr)[1] == 0) && \
1009 (((uint8_t *)&(a)->s_addr)[2] == 0) && \
1010 (((uint8_t *)&(a)->s_addr)[3] == 1))
1011
1012
1013#if defined(_KERNEL)
1014
1015#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
1016#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
1017#endif
1018/*#if defined(__FreeBSD__) || defined(__APPLE__)*/
1019/*#define SCTP_GETTIME_TIMEVAL(x) { \*/
1020/* (x)->tv_sec = ticks / 1000; \*/
1021/* (x)->tv_usec = (ticks % 1000) * 1000; \*/
1022/*}*/
1023
1024/*#else*/
1025/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/
1026/*#endif __FreeBSD__ */
1027
1028#if defined(_KERNEL) || defined(__Userspace__)
1029#define sctp_sowwakeup(inp, so) \
1030do { \
1031 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1032 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1033 } else { \
1034 sowwakeup(so); \
1035 } \
1036} while (0)
1037
1038#define sctp_sowwakeup_locked(inp, so) \
1039do { \
1040 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1041 SOCKBUF_UNLOCK(&((so)->so_snd)); \
1042 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1043 } else { \
1044 sowwakeup_locked(so); \
1045 } \
1046} while (0)
1047
1048#define sctp_sorwakeup(inp, so) \
1049do { \
1050 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1051 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1052 } else { \
1053 sorwakeup(so); \
1054 } \
1055} while (0)
1056
1057#define sctp_sorwakeup_locked(inp, so) \
1058do { \
1059 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1060 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1061 SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1062 } else { \
1063 sorwakeup_locked(so); \
1064 } \
1065} while (0)
1066
1067#endif /* _KERNEL || __Userspace__ */
1068#endif
| 234/*
235 * To turn on various logging, you must first enable 'options KTR' and
236 * you might want to bump the entires 'options KTR_ENTRIES=80000'.
237 * To get something to log you define one of the logging defines.
238 * (see LINT).
239 *
240 * This gets the compile in place, but you still need to turn the
241 * logging flag on too in the sysctl (see in sctp.h).
242 */
243
244#define SCTP_LOG_EVENT_UNKNOWN 0
245#define SCTP_LOG_EVENT_CWND 1
246#define SCTP_LOG_EVENT_BLOCK 2
247#define SCTP_LOG_EVENT_STRM 3
248#define SCTP_LOG_EVENT_FR 4
249#define SCTP_LOG_EVENT_MAP 5
250#define SCTP_LOG_EVENT_MAXBURST 6
251#define SCTP_LOG_EVENT_RWND 7
252#define SCTP_LOG_EVENT_MBCNT 8
253#define SCTP_LOG_EVENT_SACK 9
254#define SCTP_LOG_LOCK_EVENT 10
255#define SCTP_LOG_EVENT_RTT 11
256#define SCTP_LOG_EVENT_SB 12
257#define SCTP_LOG_EVENT_NAGLE 13
258#define SCTP_LOG_EVENT_WAKE 14
259#define SCTP_LOG_MISC_EVENT 15
260#define SCTP_LOG_EVENT_CLOSE 16
261#define SCTP_LOG_EVENT_MBUF 17
262#define SCTP_LOG_CHUNK_PROC 18
263#define SCTP_LOG_ERROR_RET 19
264
265#define SCTP_LOG_MAX_EVENT 20
266
267#define SCTP_LOCK_UNKNOWN 2
268
269
270/* number of associations by default for zone allocation */
271#define SCTP_MAX_NUM_OF_ASOC 40000
272/* how many addresses per assoc remote and local */
273#define SCTP_SCALE_FOR_ADDR 2
274
275/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
276#if defined (__APPLE__) && !defined(SCTP_APPLE_AUTO_ASCONF)
277#define SCTP_DEFAULT_AUTO_ASCONF 0
278#else
279#define SCTP_DEFAULT_AUTO_ASCONF 1
280#endif
281
282/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */
283#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0
284
285/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */
286#if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_BASE)
287#define SCTP_DEFAULT_MOBILITY_BASE 0
288#else
289#define SCTP_DEFAULT_MOBILITY_BASE 0
290#endif
291
292/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */
293#if defined (__APPLE__) && !defined(SCTP_APPLE_MOBILITY_FASTHANDOFF)
294#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
295#else
296#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
297#endif
298
299/*
300 * Theshold for rwnd updates, we have to read (sb_hiwat >>
301 * SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a
302 * window update sack. When we look, we compare the last rwnd we sent vs the
303 * current rwnd. It too must be greater than this value. Using 3 divdes the
304 * hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need
305 * to read 8k. This seems about right.. I hope :-D.. we do set a
306 * min of a MTU on it so if the rwnd is real small we will insist
307 * on a full MTU of 1500 bytes.
308 */
309#define SCTP_RWND_HIWAT_SHIFT 3
310
311/* How much of the rwnd must the
312 * message be taking up to start partial delivery.
313 * We calculate this by shifing the hi_water (recv_win)
314 * left the following .. set to 1, when a message holds
315 * 1/2 the rwnd. If we set it to 2 when a message holds
316 * 1/4 the rwnd...etc..
317 */
318
319#define SCTP_PARTIAL_DELIVERY_SHIFT 1
320
321/*
322 * default HMAC for cookies, etc... use one of the AUTH HMAC id's
323 * SCTP_HMAC is the HMAC_ID to use
324 * SCTP_SIGNATURE_SIZE is the digest length
325 */
326#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1
327#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1
328#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE
329
330/*
331 * the SCTP protocol signature this includes the version number encoded in
332 * the last 4 bits of the signature.
333 */
334#define PROTO_SIGNATURE_A 0x30000000
335#define SCTP_VERSION_NUMBER 0x3
336
337#define MAX_TSN 0xffffffff
338#define MAX_SEQ 0xffff
339
340/* how many executions every N tick's */
341#define SCTP_ITERATOR_MAX_AT_ONCE 20
342
343/* number of clock ticks between iterator executions */
344#define SCTP_ITERATOR_TICKS 1
345
346/*
347 * option: If you comment out the following you will receive the old behavior
348 * of obeying cwnd for the fast retransmit algorithm. With this defined a FR
349 * happens right away with-out waiting for the flightsize to drop below the
350 * cwnd value (which is reduced by the FR to 1/2 the inflight packets).
351 */
352#define SCTP_IGNORE_CWND_ON_FR 1
353
354/*
355 * Adds implementors guide behavior to only use newest highest update in SACK
356 * gap ack's to figure out if you need to stroke a chunk for FR.
357 */
358#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
359
360/* default max I can burst out after a fast retransmit */
361#define SCTP_DEF_MAX_BURST 4
362/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */
363#define SCTP_FIRST_MBUF_RESV 68
364/* Packet transmit states in the sent field */
365#define SCTP_DATAGRAM_UNSENT 0
366#define SCTP_DATAGRAM_SENT 1
367#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may
368 * hit this value) */
369#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
370 * hit this value) */
371#define SCTP_DATAGRAM_RESEND 4
372#define SCTP_DATAGRAM_ACKED 10010
373/* EY
374 * If a tsn is nr-gapped, its first tagged as NR_MARKED and then NR_ACKED
375 * When yet another nr-sack is received, if a particular TSN's sent tag
376 * is observed to be NR_ACKED after gap-ack info is processed, this implies
377 * that particular TSN is reneged
378*/
379#define SCTP_DATAGRAM_NR_ACKED 10020
380#define SCTP_DATAGRAM_NR_MARKED 20005
381#define SCTP_DATAGRAM_MARKED 20010
382#define SCTP_FORWARD_TSN_SKIP 30010
383
384/* chunk output send from locations */
385#define SCTP_OUTPUT_FROM_USR_SEND 0
386#define SCTP_OUTPUT_FROM_T3 1
387#define SCTP_OUTPUT_FROM_INPUT_ERROR 2
388#define SCTP_OUTPUT_FROM_CONTROL_PROC 3
389#define SCTP_OUTPUT_FROM_SACK_TMR 4
390#define SCTP_OUTPUT_FROM_SHUT_TMR 5
391#define SCTP_OUTPUT_FROM_HB_TMR 6
392#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7
393#define SCTP_OUTPUT_FROM_ASCONF_TMR 8
394#define SCTP_OUTPUT_FROM_STRRST_TMR 9
395#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10
396#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11
397#define SCTP_OUTPUT_FROM_STRRST_REQ 12
398#define SCTP_OUTPUT_FROM_USR_RCVD 13
399#define SCTP_OUTPUT_FROM_COOKIE_ACK 14
400#define SCTP_OUTPUT_FROM_DRAIN 15
401#define SCTP_OUTPUT_FROM_CLOSING 16
402/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */
403
404/* align to 32-bit sizes */
405#define SCTP_SIZE32(x) ((((x)+3) >> 2) << 2)
406
407#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
408#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
409
410
411/* SCTP parameter types */
412/*************0x0000 series*************/
413#define SCTP_HEARTBEAT_INFO 0x0001
414#define SCTP_IPV4_ADDRESS 0x0005
415#define SCTP_IPV6_ADDRESS 0x0006
416#define SCTP_STATE_COOKIE 0x0007
417#define SCTP_UNRECOG_PARAM 0x0008
418#define SCTP_COOKIE_PRESERVE 0x0009
419#define SCTP_HOSTNAME_ADDRESS 0x000b
420#define SCTP_SUPPORTED_ADDRTYPE 0x000c
421
422/* draft-ietf-stewart-tsvwg-strreset-xxx */
423#define SCTP_STR_RESET_OUT_REQUEST 0x000d
424#define SCTP_STR_RESET_IN_REQUEST 0x000e
425#define SCTP_STR_RESET_TSN_REQUEST 0x000f
426#define SCTP_STR_RESET_RESPONSE 0x0010
427#define SCTP_STR_RESET_ADD_STREAMS 0x0011
428
429#define SCTP_MAX_RESET_PARAMS 2
430#define SCTP_STREAM_RESET_TSN_DELTA 0x1000
431
432/*************0x4000 series*************/
433
434/*************0x8000 series*************/
435#define SCTP_ECN_CAPABLE 0x8000
436/* ECN Nonce: draft-ladha-sctp-ecn-nonce */
437#define SCTP_ECN_NONCE_SUPPORTED 0x8001
438/* draft-ietf-tsvwg-auth-xxx */
439#define SCTP_RANDOM 0x8002
440#define SCTP_CHUNK_LIST 0x8003
441#define SCTP_HMAC_LIST 0x8004
442/*
443 * draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte
444 * | Byte Byte | Byte ...
445 *
446 * Where each byte is a chunk type extension supported. For example, to support
447 * all chunks one would have (in hex):
448 *
449 * 80 01 00 09 C0 C1 80 81 82 00 00 00
450 *
451 * Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81
452 * = Packet Drop 82 = Stream Reset 83 = Authentication
453 */
454#define SCTP_SUPPORTED_CHUNK_EXT 0x8008
455
456/*************0xC000 series*************/
457#define SCTP_PRSCTP_SUPPORTED 0xc000
458/* draft-ietf-tsvwg-addip-sctp */
459#define SCTP_ADD_IP_ADDRESS 0xc001
460#define SCTP_DEL_IP_ADDRESS 0xc002
461#define SCTP_ERROR_CAUSE_IND 0xc003
462#define SCTP_SET_PRIM_ADDR 0xc004
463#define SCTP_SUCCESS_REPORT 0xc005
464#define SCTP_ULP_ADAPTATION 0xc006
465/* behave-nat-draft */
466#define SCTP_HAS_NAT_SUPPORT 0xc007
467#define SCTP_NAT_VTAGS 0xc008
468
469/* Notification error codes */
470#define SCTP_NOTIFY_DATAGRAM_UNSENT 0x0001
471#define SCTP_NOTIFY_DATAGRAM_SENT 0x0002
472#define SCTP_FAILED_THRESHOLD 0x0004
473#define SCTP_HEARTBEAT_SUCCESS 0x0008
474#define SCTP_RESPONSE_TO_USER_REQ 0x0010
475#define SCTP_INTERNAL_ERROR 0x0020
476#define SCTP_SHUTDOWN_GUARD_EXPIRES 0x0040
477#define SCTP_RECEIVED_SACK 0x0080
478#define SCTP_PEER_FAULTY 0x0100
479#define SCTP_ICMP_REFUSED 0x0200
480
481/* bits for TOS field */
482#define SCTP_ECT0_BIT 0x02
483#define SCTP_ECT1_BIT 0x01
484#define SCTP_CE_BITS 0x03
485
486/* below turns off above */
487#define SCTP_FLEXIBLE_ADDRESS 0x20
488#define SCTP_NO_HEARTBEAT 0x40
489
490/* mask to get sticky */
491#define SCTP_STICKY_OPTIONS_MASK 0x0c
492
493
494/*
495 * SCTP states for internal state machine XXX (should match "user" values)
496 */
497#define SCTP_STATE_EMPTY 0x0000
498#define SCTP_STATE_INUSE 0x0001
499#define SCTP_STATE_COOKIE_WAIT 0x0002
500#define SCTP_STATE_COOKIE_ECHOED 0x0004
501#define SCTP_STATE_OPEN 0x0008
502#define SCTP_STATE_SHUTDOWN_SENT 0x0010
503#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
504#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
505#define SCTP_STATE_SHUTDOWN_PENDING 0x0080
506#define SCTP_STATE_CLOSED_SOCKET 0x0100
507#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200
508#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400
509#define SCTP_STATE_WAS_ABORTED 0x0800
510#define SCTP_STATE_MASK 0x007f
511
512#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK)
513#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate)
514#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate)
515#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate)
516
517/* SCTP reachability state for each address */
518#define SCTP_ADDR_REACHABLE 0x001
519#define SCTP_ADDR_NOT_REACHABLE 0x002
520#define SCTP_ADDR_NOHB 0x004
521#define SCTP_ADDR_BEING_DELETED 0x008
522#define SCTP_ADDR_NOT_IN_ASSOC 0x010
523#define SCTP_ADDR_WAS_PRIMARY 0x020
524#define SCTP_ADDR_SWITCH_PRIMARY 0x040
525#define SCTP_ADDR_OUT_OF_SCOPE 0x080
526#define SCTP_ADDR_DOUBLE_SWITCH 0x100
527#define SCTP_ADDR_UNCONFIRMED 0x200
528#define SCTP_ADDR_REQ_PRIMARY 0x400
529/* JRS 5/13/07 - Added potentially failed state for CMT PF */
530#define SCTP_ADDR_PF 0x800
531#define SCTP_REACHABLE_MASK 0x203
532
533/* bound address types (e.g. valid address types to allow) */
534#define SCTP_BOUND_V6 0x01
535#define SCTP_BOUND_V4 0x02
536
537/*
538 * what is the default number of mbufs in a chain I allow before switching to
539 * a cluster
540 */
541#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
542
543/* How long a cookie lives in milli-seconds */
544#define SCTP_DEFAULT_COOKIE_LIFE 60000
545
546/* resource limit of streams */
547#define MAX_SCTP_STREAMS 2048
548
549/* Maximum the mapping array will grow to (TSN mapping array) */
550#define SCTP_MAPPING_ARRAY 512
551
552/* size of the inital malloc on the mapping array */
553#define SCTP_INITIAL_MAPPING_ARRAY 16
554/* how much we grow the mapping array each call */
555#define SCTP_MAPPING_ARRAY_INCR 32
556/* EY 05/13/08 - nr_sack version of the previous 3 constants */
557/* Maximum the nr mapping array will grow to (TSN mapping array) */
558#define SCTP_NR_MAPPING_ARRAY 512
559/* size of the inital malloc on the nr mapping array */
560#define SCTP_INITIAL_NR_MAPPING_ARRAY 16
561/* how much we grow the nr mapping array each call */
562#define SCTP_NR_MAPPING_ARRAY_INCR 32
563/*
564 * Here we define the timer types used by the implementation as arguments in
565 * the set/get timer type calls.
566 */
567#define SCTP_TIMER_INIT 0
568#define SCTP_TIMER_RECV 1
569#define SCTP_TIMER_SEND 2
570#define SCTP_TIMER_HEARTBEAT 3
571#define SCTP_TIMER_PMTU 4
572#define SCTP_TIMER_MAXSHUTDOWN 5
573#define SCTP_TIMER_SIGNATURE 6
574/*
575 * number of timer types in the base SCTP structure used in the set/get and
576 * has the base default.
577 */
578#define SCTP_NUM_TMRS 7
579
580/* timer types */
581#define SCTP_TIMER_TYPE_NONE 0
582#define SCTP_TIMER_TYPE_SEND 1
583#define SCTP_TIMER_TYPE_INIT 2
584#define SCTP_TIMER_TYPE_RECV 3
585#define SCTP_TIMER_TYPE_SHUTDOWN 4
586#define SCTP_TIMER_TYPE_HEARTBEAT 5
587#define SCTP_TIMER_TYPE_COOKIE 6
588#define SCTP_TIMER_TYPE_NEWCOOKIE 7
589#define SCTP_TIMER_TYPE_PATHMTURAISE 8
590#define SCTP_TIMER_TYPE_SHUTDOWNACK 9
591#define SCTP_TIMER_TYPE_ASCONF 10
592#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
593#define SCTP_TIMER_TYPE_AUTOCLOSE 12
594#define SCTP_TIMER_TYPE_EVENTWAKE 13
595#define SCTP_TIMER_TYPE_STRRESET 14
596#define SCTP_TIMER_TYPE_INPKILL 15
597#define SCTP_TIMER_TYPE_ITERATOR 16
598#define SCTP_TIMER_TYPE_EARLYFR 17
599#define SCTP_TIMER_TYPE_ASOCKILL 18
600#define SCTP_TIMER_TYPE_ADDR_WQ 19
601#define SCTP_TIMER_TYPE_ZERO_COPY 20
602#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 21
603#define SCTP_TIMER_TYPE_PRIM_DELETED 22
604/* add new timers here - and increment LAST */
605#define SCTP_TIMER_TYPE_LAST 23
606
607#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
608 ((t) < SCTP_TIMER_TYPE_LAST))
609
610
611
612/* max number of TSN's dup'd that I will hold */
613#define SCTP_MAX_DUP_TSNS 20
614
615/*
616 * Here we define the types used when setting the retry amounts.
617 */
618/* How many drop re-attempts we make on INIT/COOKIE-ECHO */
619#define SCTP_RETRY_DROPPED_THRESH 4
620
621/*
622 * Maxmium number of chunks a single association can have on it. Note that
623 * this is a squishy number since the count can run over this if the user
624 * sends a large message down .. the fragmented chunks don't count until
625 * AFTER the message is on queue.. it would be the next send that blocks
626 * things. This number will get tuned up at boot in the sctp_init and use the
627 * number of clusters as a base. This way high bandwidth environments will
628 * not get impacted by the lower bandwidth sending a bunch of 1 byte chunks
629 */
630#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
631
632
633/* The conversion from time to ticks and vice versa is done by rounding
634 * upwards. This way we can test in the code the time to be positive and
635 * know that this corresponds to a positive number of ticks.
636 */
637#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000))
638#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz))
639
640#define SEC_TO_TICKS(x) ((x) * hz)
641#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz)
642
643/*
644 * Basically the minimum amount of time before I do a early FR. Making this
645 * value to low will cause duplicate retransmissions.
646 */
647#define SCTP_MINFR_MSEC_TIMER 250
648/* The floor this value is allowed to fall to when starting a timer. */
649#define SCTP_MINFR_MSEC_FLOOR 20
650
651/* init timer def = 1 sec */
652#define SCTP_INIT_SEC 1
653
654/* send timer def = 1 seconds */
655#define SCTP_SEND_SEC 1
656
657/* recv timer def = 200ms */
658#define SCTP_RECV_MSEC 200
659
660/* 30 seconds + RTO (in ms) */
661#define SCTP_HB_DEFAULT_MSEC 30000
662
663/* Max time I will wait for Shutdown to complete */
664#define SCTP_DEF_MAX_SHUTDOWN_SEC 180
665
666
667/*
668 * This is how long a secret lives, NOT how long a cookie lives how many
669 * ticks the current secret will live.
670 */
671#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
672
673#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
674#define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */
675#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec in ms */
676#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
677
678
679#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */
680#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */
681
682#define SCTP_DEF_MAX_INIT 8
683#define SCTP_DEF_MAX_SEND 10
684#define SCTP_DEF_MAX_PATH_RTX 5
685
686#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
687
688
689/* How many streams I request initally by default */
690#define SCTP_OSTREAM_INITIAL 10
691
692/*
693 * How many smallest_mtu's need to increase before a window update sack is
694 * sent (should be a power of 2).
695 */
696/* Send window update (incr * this > hiwat). Should be a power of 2 */
697#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
698
699#define SCTP_ADDRMAX 24
700
701/* SCTP DEBUG Switch parameters */
702#define SCTP_DEBUG_TIMER1 0x00000001
703#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */
704#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */
705#define SCTP_DEBUG_TIMER4 0x00000008
706#define SCTP_DEBUG_OUTPUT1 0x00000010
707#define SCTP_DEBUG_OUTPUT2 0x00000020
708#define SCTP_DEBUG_OUTPUT3 0x00000040
709#define SCTP_DEBUG_OUTPUT4 0x00000080
710#define SCTP_DEBUG_UTIL1 0x00000100
711#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */
712#define SCTP_DEBUG_AUTH1 0x00000400
713#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */
714#define SCTP_DEBUG_INPUT1 0x00001000
715#define SCTP_DEBUG_INPUT2 0x00002000
716#define SCTP_DEBUG_INPUT3 0x00004000
717#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */
718#define SCTP_DEBUG_ASCONF1 0x00010000
719#define SCTP_DEBUG_ASCONF2 0x00020000
720#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */
721#define SCTP_DEBUG_XXX 0x00080000 /* unused */
722#define SCTP_DEBUG_PCB1 0x00100000
723#define SCTP_DEBUG_PCB2 0x00200000 /* unused */
724#define SCTP_DEBUG_PCB3 0x00400000
725#define SCTP_DEBUG_PCB4 0x00800000
726#define SCTP_DEBUG_INDATA1 0x01000000
727#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */
728#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */
729#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */
730#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */
731#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */
732#define SCTP_DEBUG_PEEL1 0x40000000
733#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */
734#define SCTP_DEBUG_ALL 0x7ff3ffff
735#define SCTP_DEBUG_NOISY 0x00040000
736
737/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
738#define SCTP_SWS_SENDER_DEF 1420
739
740/*
741 * SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1
742 * would be hiwat/2 etc.
743 */
744/* What receiver needs to see in sockbuf or we tell peer its 1 */
745#define SCTP_SWS_RECEIVER_DEF 3000
746
747#define SCTP_INITIAL_CWND 4380
748
749#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */
750/* amount peer is obligated to have in rwnd or I will abort */
751#define SCTP_MIN_RWND 1500
752
753#define SCTP_DEFAULT_MAXSEGMENT 65535
754
755#define SCTP_CHUNK_BUFFER_SIZE 512
756#define SCTP_PARAM_BUFFER_SIZE 512
757
758/* small chunk store for looking at chunk_list in auth */
759#define SCTP_SMALL_CHUNK_STORE 260
760
761#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
762#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
763
764#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
765#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
766
767
768/*
769 * SCTP upper layer notifications
770 */
771#define SCTP_NOTIFY_ASSOC_UP 1
772#define SCTP_NOTIFY_ASSOC_DOWN 2
773#define SCTP_NOTIFY_INTERFACE_DOWN 3
774#define SCTP_NOTIFY_INTERFACE_UP 4
775#define SCTP_NOTIFY_DG_FAIL 5
776#define SCTP_NOTIFY_STRDATA_ERR 6
777#define SCTP_NOTIFY_ASSOC_ABORTED 7
778#define SCTP_NOTIFY_PEER_OPENED_STREAM 8
779#define SCTP_NOTIFY_STREAM_OPENED_OK 9
780#define SCTP_NOTIFY_ASSOC_RESTART 10
781#define SCTP_NOTIFY_HB_RESP 11
782#define SCTP_NOTIFY_ASCONF_SUCCESS 12
783#define SCTP_NOTIFY_ASCONF_FAILED 13
784#define SCTP_NOTIFY_PEER_SHUTDOWN 14
785#define SCTP_NOTIFY_ASCONF_ADD_IP 15
786#define SCTP_NOTIFY_ASCONF_DELETE_IP 16
787#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 17
788#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 18
789#define SCTP_NOTIFY_INTERFACE_CONFIRMED 20
790#define SCTP_NOTIFY_STR_RESET_RECV 21
791#define SCTP_NOTIFY_STR_RESET_SEND 22
792#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 23
793#define SCTP_NOTIFY_STR_RESET_FAILED_IN 24
794#define SCTP_NOTIFY_AUTH_NEW_KEY 25
795#define SCTP_NOTIFY_AUTH_FREE_KEY 26
796#define SCTP_NOTIFY_SPECIAL_SP_FAIL 27
797#define SCTP_NOTIFY_NO_PEER_AUTH 28
798#define SCTP_NOTIFY_SENDER_DRY 29
799#define SCTP_NOTIFY_STR_RESET_ADD_OK 30
800#define SCTP_NOTIFY_STR_RESET_ADD_FAIL 31
801#define SCTP_NOTIFY_STR_RESET_INSTREAM_ADD_OK 32
802#define SCTP_NOTIFY_MAX 32
803
804
805/* This is the value for messages that are NOT completely
806 * copied down where we will start to split the message.
807 * So, with our default, we split only if the piece we
808 * want to take will fill up a full MTU (assuming
809 * a 1500 byte MTU).
810 */
811#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
812
813/* ABORT CODES and other tell-tale location
814 * codes are generated by adding the below
815 * to the instance id.
816 */
817
818/* File defines */
819#define SCTP_FROM_SCTP_INPUT 0x10000000
820#define SCTP_FROM_SCTP_PCB 0x20000000
821#define SCTP_FROM_SCTP_INDATA 0x30000000
822#define SCTP_FROM_SCTP_TIMER 0x40000000
823#define SCTP_FROM_SCTP_USRREQ 0x50000000
824#define SCTP_FROM_SCTPUTIL 0x60000000
825#define SCTP_FROM_SCTP6_USRREQ 0x70000000
826#define SCTP_FROM_SCTP_ASCONF 0x80000000
827#define SCTP_FROM_SCTP_OUTPUT 0x90000000
828#define SCTP_FROM_SCTP_PEELOFF 0xa0000000
829#define SCTP_FROM_SCTP_PANDA 0xb0000000
830#define SCTP_FROM_SCTP_SYSCTL 0xc0000000
831
832/* Location ID's */
833#define SCTP_LOC_1 0x00000001
834#define SCTP_LOC_2 0x00000002
835#define SCTP_LOC_3 0x00000003
836#define SCTP_LOC_4 0x00000004
837#define SCTP_LOC_5 0x00000005
838#define SCTP_LOC_6 0x00000006
839#define SCTP_LOC_7 0x00000007
840#define SCTP_LOC_8 0x00000008
841#define SCTP_LOC_9 0x00000009
842#define SCTP_LOC_10 0x0000000a
843#define SCTP_LOC_11 0x0000000b
844#define SCTP_LOC_12 0x0000000c
845#define SCTP_LOC_13 0x0000000d
846#define SCTP_LOC_14 0x0000000e
847#define SCTP_LOC_15 0x0000000f
848#define SCTP_LOC_16 0x00000010
849#define SCTP_LOC_17 0x00000011
850#define SCTP_LOC_18 0x00000012
851#define SCTP_LOC_19 0x00000013
852#define SCTP_LOC_20 0x00000014
853#define SCTP_LOC_21 0x00000015
854#define SCTP_LOC_22 0x00000016
855#define SCTP_LOC_23 0x00000017
856#define SCTP_LOC_24 0x00000018
857#define SCTP_LOC_25 0x00000019
858#define SCTP_LOC_26 0x0000001a
859#define SCTP_LOC_27 0x0000001b
860#define SCTP_LOC_28 0x0000001c
861#define SCTP_LOC_29 0x0000001d
862#define SCTP_LOC_30 0x0000001e
863#define SCTP_LOC_31 0x0000001f
864#define SCTP_LOC_32 0x00000020
865#define SCTP_LOC_33 0x00000021
866
867
868/* Free assoc codes */
869#define SCTP_NORMAL_PROC 0
870#define SCTP_PCBFREE_NOFORCE 1
871#define SCTP_PCBFREE_FORCE 2
872
873/* From codes for adding addresses */
874#define SCTP_ADDR_IS_CONFIRMED 8
875#define SCTP_ADDR_DYNAMIC_ADDED 6
876#define SCTP_IN_COOKIE_PROC 100
877#define SCTP_ALLOC_ASOC 1
878#define SCTP_LOAD_ADDR_2 2
879#define SCTP_LOAD_ADDR_3 3
880#define SCTP_LOAD_ADDR_4 4
881#define SCTP_LOAD_ADDR_5 5
882
883#define SCTP_DONOT_SETSCOPE 0
884#define SCTP_DO_SETSCOPE 1
885
886
887/* This value determines the default for when
888 * we try to add more on the send queue., if
889 * there is room. This prevents us from cycling
890 * into the copy_resume routine to often if
891 * we have not got enough space to add a decent
892 * enough size message. Note that if we have enough
893 * space to complete the message copy we will always
894 * add to the message, no matter what the size. Its
895 * only when we reach the point that we have some left
896 * to add, there is only room for part of it that we
897 * will use this threshold. Its also a sysctl.
898 */
899#define SCTP_DEFAULT_ADD_MORE 1452
900
901#ifndef SCTP_PCBHASHSIZE
902/* default number of association hash buckets in each endpoint */
903#define SCTP_PCBHASHSIZE 256
904#endif
905#ifndef SCTP_TCBHASHSIZE
906#define SCTP_TCBHASHSIZE 1024
907#endif
908
909#ifndef SCTP_CHUNKQUEUE_SCALE
910#define SCTP_CHUNKQUEUE_SCALE 10
911#endif
912
913/* clock variance is 1 ms */
914#define SCTP_CLOCK_GRANULARITY 1
915#define IP_HDR_SIZE 40 /* we use the size of a IP6 header here this
916 * detracts a small amount for ipv4 but it
917 * simplifies the ipv6 addition */
918
919/* Argument magic number for sctp_inpcb_free() */
920
921/* third argument */
922#define SCTP_CALLED_DIRECTLY_NOCMPSET 0
923#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
924
925/* second argument */
926#define SCTP_FREE_SHOULD_USE_ABORT 1
927#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
928
929#ifndef IPPROTO_SCTP
930#define IPPROTO_SCTP 132 /* the Official IANA number :-) */
931#endif /* !IPPROTO_SCTP */
932
933#define SCTP_MAX_DATA_BUNDLING 256
934
935/* modular comparison */
936/* True if a > b (mod = M) */
937#define compare_with_wrap(a, b, M) (((a > b) && ((a - b) < ((M >> 1) + 1))) || \
938 ((b > a) && ((b - a) > ((M >> 1) + 1))))
939
940
941/* Mapping array manipulation routines */
942#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
943#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
944#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
945
946
947#define SCTP_RETRAN_DONE -1
948#define SCTP_RETRAN_EXIT -2
949
950/*
951 * This value defines the number of vtag block time wait entry's per list
952 * element. Each entry will take 2 4 byte ints (and of course the overhead
953 * of the next pointer as well). Using 15 as an example will yield * ((8 *
954 * 15) + 8) or 128 bytes of overhead for each timewait block that gets
955 * initialized. Increasing it to 31 would yeild 256 bytes per block.
956 */
957#define SCTP_NUMBER_IN_VTAG_BLOCK 15
958/*
959 * If we use the STACK option, we have an array of this size head pointers.
960 * This array is mod'd the with the size to find which bucket and then all
961 * entries must be searched to see if the tag is in timed wait. If so we
962 * reject it.
963 */
964#define SCTP_STACK_VTAG_HASH_SIZE 32
965
966/*
967 * Number of seconds of time wait for a vtag.
968 */
969#define SCTP_TIME_WAIT 60
970
971/* The system retains a cache of free chunks such to
972 * cut down on calls the memory allocation system. There
973 * is a per association limit of free items and a overall
974 * system limit. If either one gets hit then the resource
975 * stops being cached.
976 */
977
978#define SCTP_DEF_ASOC_RESC_LIMIT 10
979#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
980
981/*-
982 * defines for socket lock states.
983 * Used by __APPLE__ and SCTP_SO_LOCK_TESTING
984 */
985#define SCTP_SO_LOCKED 1
986#define SCTP_SO_NOT_LOCKED 0
987
988
989#define SCTP_HOLDS_LOCK 1
990#define SCTP_NOT_LOCKED 0
991
992/*-
993 * For address locks, do we hold the lock?
994 */
995#define SCTP_ADDR_LOCKED 1
996#define SCTP_ADDR_NOT_LOCKED 0
997
998#define IN4_ISPRIVATE_ADDRESS(a) \
999 ((((uint8_t *)&(a)->s_addr)[0] == 10) || \
1000 ((((uint8_t *)&(a)->s_addr)[0] == 172) && \
1001 (((uint8_t *)&(a)->s_addr)[1] >= 16) && \
1002 (((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
1003 ((((uint8_t *)&(a)->s_addr)[0] == 192) && \
1004 (((uint8_t *)&(a)->s_addr)[1] == 168)))
1005
1006#define IN4_ISLOOPBACK_ADDRESS(a) \
1007 ((((uint8_t *)&(a)->s_addr)[0] == 127) && \
1008 (((uint8_t *)&(a)->s_addr)[1] == 0) && \
1009 (((uint8_t *)&(a)->s_addr)[2] == 0) && \
1010 (((uint8_t *)&(a)->s_addr)[3] == 1))
1011
1012
1013#if defined(_KERNEL)
1014
1015#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
1016#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
1017#endif
1018/*#if defined(__FreeBSD__) || defined(__APPLE__)*/
1019/*#define SCTP_GETTIME_TIMEVAL(x) { \*/
1020/* (x)->tv_sec = ticks / 1000; \*/
1021/* (x)->tv_usec = (ticks % 1000) * 1000; \*/
1022/*}*/
1023
1024/*#else*/
1025/*#define SCTP_GETTIME_TIMEVAL(x) (microtime(x))*/
1026/*#endif __FreeBSD__ */
1027
1028#if defined(_KERNEL) || defined(__Userspace__)
1029#define sctp_sowwakeup(inp, so) \
1030do { \
1031 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1032 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1033 } else { \
1034 sowwakeup(so); \
1035 } \
1036} while (0)
1037
1038#define sctp_sowwakeup_locked(inp, so) \
1039do { \
1040 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1041 SOCKBUF_UNLOCK(&((so)->so_snd)); \
1042 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
1043 } else { \
1044 sowwakeup_locked(so); \
1045 } \
1046} while (0)
1047
1048#define sctp_sorwakeup(inp, so) \
1049do { \
1050 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1051 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1052 } else { \
1053 sorwakeup(so); \
1054 } \
1055} while (0)
1056
1057#define sctp_sorwakeup_locked(inp, so) \
1058do { \
1059 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
1060 inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
1061 SOCKBUF_UNLOCK(&((so)->so_rcv)); \
1062 } else { \
1063 sorwakeup_locked(so); \
1064 } \
1065} while (0)
1066
1067#endif /* _KERNEL || __Userspace__ */
1068#endif
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