2 * Copyright (c) 2007, Cisco Systems, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * a) Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
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.
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.
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.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #ifndef __sctp_sysctl_h__
35 #define __sctp_sysctl_h__
37 #include <netinet/sctp_os.h>
38 #include <netinet/sctp_constants.h>
41 * limits for the sysctl variables
43 /* maxdgram: Maximum outgoing SCTP buffer size */
44 #define SCTPCTL_MAXDGRAM 1
45 #define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size"
46 #define SCTPCTL_MAXDGRAM_MIN 0
47 #define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF
48 #define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */
50 /* recvspace: Maximum incoming SCTP buffer size */
51 #define SCTPCTL_RECVSPACE 2
52 #define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size"
53 #define SCTPCTL_RECVSPACE_MIN 0
54 #define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF
55 #define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */
57 /* autoasconf: Enable SCTP Auto-ASCONF */
58 #define SCTPCTL_AUTOASCONF 3
59 #define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF"
60 #define SCTPCTL_AUTOASCONF_MIN 0
61 #define SCTPCTL_AUTOASCONF_MAX 1
62 #define SCTPCTL_AUTOASCONF_DEFAULT SCTP_DEFAULT_AUTO_ASCONF
64 /* ecn_enable: Enable SCTP ECN */
65 #define SCTPCTL_ECN_ENABLE 4
66 #define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN"
67 #define SCTPCTL_ECN_ENABLE_MIN 0
68 #define SCTPCTL_ECN_ENABLE_MAX 1
69 #define SCTPCTL_ECN_ENABLE_DEFAULT 1
71 /* ecn_nonce: Enable SCTP ECN Nonce */
72 #define SCTPCTL_ECN_NONCE 5
73 #define SCTPCTL_ECN_NONCE_DESC "Enable SCTP ECN Nonce"
74 #define SCTPCTL_ECN_NONCE_MIN 0
75 #define SCTPCTL_ECN_NONCE_MAX 1
76 #define SCTPCTL_ECN_NONCE_DEFAULT 0
78 /* strict_sacks: Enable SCTP Strict SACK checking */
79 #define SCTPCTL_STRICT_SACKS 6
80 #define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking"
81 #define SCTPCTL_STRICT_SACKS_MIN 0
82 #define SCTPCTL_STRICT_SACKS_MAX 1
83 #define SCTPCTL_STRICT_SACKS_DEFAULT 0
85 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */
86 #define SCTPCTL_LOOPBACK_NOCSUM 7
87 #define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback"
88 #define SCTPCTL_LOOPBACK_NOCSUM_MIN 0
89 #define SCTPCTL_LOOPBACK_NOCSUM_MAX 1
90 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1
92 /* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */
93 #define SCTPCTL_STRICT_INIT 8
94 #define SCTPCTL_STRICT_INIT_DESC "Enable strict INIT/INIT-ACK singleton enforcement"
95 #define SCTPCTL_STRICT_INIT_MIN 0
96 #define SCTPCTL_STRICT_INIT_MAX 1
97 #define SCTPCTL_STRICT_INIT_DEFAULT 1
99 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */
100 #define SCTPCTL_PEER_CHKOH 9
101 #define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent"
102 #define SCTPCTL_PEER_CHKOH_MIN 0
103 #define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF
104 #define SCTPCTL_PEER_CHKOH_DEFAULT 0 /* sizeof struct mbuf */
106 /* maxburst: Default max burst for sctp endpoints */
107 #define SCTPCTL_MAXBURST 10
108 #define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints"
109 #define SCTPCTL_MAXBURST_MIN 1
110 #define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF
111 #define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST
113 /* maxchunks: Default max chunks on queue per asoc */
114 #define SCTPCTL_MAXCHUNKS 11
115 #define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc"
116 #define SCTPCTL_MAXCHUNKS_MIN 0
117 #define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF
118 #define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
120 /* tcbhashsize: Tuneable for Hash table sizes */
121 #define SCTPCTL_TCBHASHSIZE 12
122 #define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes"
123 #define SCTPCTL_TCBHASHSIZE_MIN 1
124 #define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF
125 #define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE
127 /* pcbhashsize: Tuneable for PCB Hash table sizes */
128 #define SCTPCTL_PCBHASHSIZE 13
129 #define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes"
130 #define SCTPCTL_PCBHASHSIZE_MIN 1
131 #define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF
132 #define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE
134 /* min_split_point: Minimum size when splitting a chunk */
135 #define SCTPCTL_MIN_SPLIT_POINT 14
136 #define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk"
137 #define SCTPCTL_MIN_SPLIT_POINT_MIN 0
138 #define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF
139 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN
141 /* chunkscale: Tuneable for Scaling of number of chunks and messages */
142 #define SCTPCTL_CHUNKSCALE 15
143 #define SCTPCTL_CHUNKSCALE_DESC "Tuneable for Scaling of number of chunks and messages"
144 #define SCTPCTL_CHUNKSCALE_MIN 1
145 #define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF
146 #define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE
148 /* delayed_sack_time: Default delayed SACK timer in msec */
149 #define SCTPCTL_DELAYED_SACK_TIME 16
150 #define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in msec"
151 #define SCTPCTL_DELAYED_SACK_TIME_MIN 0
152 #define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF
153 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC
155 /* sack_freq: Default SACK frequency */
156 #define SCTPCTL_SACK_FREQ 17
157 #define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency"
158 #define SCTPCTL_SACK_FREQ_MIN 0
159 #define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF
160 #define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ
162 /* sys_resource: Max number of cached resources in the system */
163 #define SCTPCTL_SYS_RESOURCE 18
164 #define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system"
165 #define SCTPCTL_SYS_RESOURCE_MIN 0
166 #define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF
167 #define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT
169 /* asoc_resource: Max number of cached resources in an asoc */
170 #define SCTPCTL_ASOC_RESOURCE 19
171 #define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc"
172 #define SCTPCTL_ASOC_RESOURCE_MIN 0
173 #define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF
174 #define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT
176 /* heartbeat_interval: Default heartbeat interval in msec */
177 #define SCTPCTL_HEARTBEAT_INTERVAL 20
178 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in msec"
179 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0
180 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF
181 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC
183 /* pmtu_raise_time: Default PMTU raise timer in sec */
184 #define SCTPCTL_PMTU_RAISE_TIME 21
185 #define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in sec"
186 #define SCTPCTL_PMTU_RAISE_TIME_MIN 0
187 #define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF
188 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC
190 /* shutdown_guard_time: Default shutdown guard timer in sec */
191 #define SCTPCTL_SHUTDOWN_GUARD_TIME 22
192 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Default shutdown guard timer in sec"
193 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0
194 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF
195 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT SCTP_DEF_MAX_SHUTDOWN_SEC
197 /* secret_lifetime: Default secret lifetime in sec */
198 #define SCTPCTL_SECRET_LIFETIME 23
199 #define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in sec"
200 #define SCTPCTL_SECRET_LIFETIME_MIN 0
201 #define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF
202 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC
204 /* rto_max: Default maximum retransmission timeout in msec */
205 #define SCTPCTL_RTO_MAX 24
206 #define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in msec"
207 #define SCTPCTL_RTO_MAX_MIN 0
208 #define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF
209 #define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND
211 /* rto_min: Default minimum retransmission timeout in msec */
212 #define SCTPCTL_RTO_MIN 25
213 #define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in msec"
214 #define SCTPCTL_RTO_MIN_MIN 0
215 #define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF
216 #define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND
218 /* rto_initial: Default initial retransmission timeout in msec */
219 #define SCTPCTL_RTO_INITIAL 26
220 #define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in msec"
221 #define SCTPCTL_RTO_INITIAL_MIN 0
222 #define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF
223 #define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL
225 /* init_rto_max: Default maximum retransmission timeout during association setup in msec */
226 #define SCTPCTL_INIT_RTO_MAX 27
227 #define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in msec"
228 #define SCTPCTL_INIT_RTO_MAX_MIN 0
229 #define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF
230 #define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND
232 /* valid_cookie_life: Default cookie lifetime in sec */
233 #define SCTPCTL_VALID_COOKIE_LIFE 28
234 #define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in sec"
235 #define SCTPCTL_VALID_COOKIE_LIFE_MIN 0
236 #define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF
237 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE
239 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */
240 #define SCTPCTL_INIT_RTX_MAX 29
241 #define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks"
242 #define SCTPCTL_INIT_RTX_MAX_MIN 0
243 #define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF
244 #define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT
246 /* assoc_rtx_max: Default maximum number of retransmissions per association */
247 #define SCTPCTL_ASSOC_RTX_MAX 30
248 #define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association"
249 #define SCTPCTL_ASSOC_RTX_MAX_MIN 0
250 #define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF
251 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND
253 /* path_rtx_max: Default maximum of retransmissions per path */
254 #define SCTPCTL_PATH_RTX_MAX 31
255 #define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path"
256 #define SCTPCTL_PATH_RTX_MAX_MIN 0
257 #define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF
258 #define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX
260 /* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */
261 #define SCTPCTL_ADD_MORE_ON_OUTPUT 32
262 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space wise is it worthwhile to try to add more to a socket send buffer"
263 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0
264 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF
265 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
267 /* outgoing_streams: Default number of outgoing streams */
268 #define SCTPCTL_OUTGOING_STREAMS 33
269 #define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams"
270 #define SCTPCTL_OUTGOING_STREAMS_MIN 1
271 #define SCTPCTL_OUTGOING_STREAMS_MAX 65535
272 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
274 /* cmt_on_off: CMT on/off flag */
275 #define SCTPCTL_CMT_ON_OFF 34
276 #define SCTPCTL_CMT_ON_OFF_DESC "CMT on/off flag"
277 #define SCTPCTL_CMT_ON_OFF_MIN 0
278 #define SCTPCTL_CMT_ON_OFF_MAX 1
279 #define SCTPCTL_CMT_ON_OFF_DEFAULT 0
281 /* cwnd_maxburst: Use a CWND adjusting maxburst */
282 #define SCTPCTL_CWND_MAXBURST 35
283 #define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst"
284 #define SCTPCTL_CWND_MAXBURST_MIN 0
285 #define SCTPCTL_CWND_MAXBURST_MAX 1
286 #define SCTPCTL_CWND_MAXBURST_DEFAULT 1
288 /* early_fast_retran: Early Fast Retransmit with timer */
289 #define SCTPCTL_EARLY_FAST_RETRAN 36
290 #define SCTPCTL_EARLY_FAST_RETRAN_DESC "Early Fast Retransmit with timer"
291 #define SCTPCTL_EARLY_FAST_RETRAN_MIN 0
292 #define SCTPCTL_EARLY_FAST_RETRAN_MAX 0xFFFFFFFF
293 #define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT 0
295 /* deadlock_detect: SMP Deadlock detection on/off */
296 #define SCTPCTL_DEADLOCK_DETECT 37
297 #define SCTPCTL_DEADLOCK_DETECT_DESC "SMP Deadlock detection on/off"
298 #define SCTPCTL_DEADLOCK_DETECT_MIN 0
299 #define SCTPCTL_DEADLOCK_DETECT_MAX 1
300 #define SCTPCTL_DEADLOCK_DETECT_DEFAULT 0
302 /* early_fast_retran_msec: Early Fast Retransmit minimum timer value */
303 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC 38
304 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC "Early Fast Retransmit minimum timer value"
305 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN 0
306 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX 0xFFFFFFFF
307 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT SCTP_MINFR_MSEC_TIMER
309 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */
310 #define SCTPCTL_ASCONF_AUTH_NOCHK 39
311 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC "Disable SCTP ASCONF AUTH requirement"
312 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN 0
313 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX 1
314 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT 0
316 /* auth_disable: Disable SCTP AUTH function */
317 #define SCTPCTL_AUTH_DISABLE 40
318 #define SCTPCTL_AUTH_DISABLE_DESC "Disable SCTP AUTH function"
319 #define SCTPCTL_AUTH_DISABLE_MIN 0
320 #define SCTPCTL_AUTH_DISABLE_MAX 1
321 #define SCTPCTL_AUTH_DISABLE_DEFAULT 0
323 /* nat_friendly: SCTP NAT friendly operation */
324 #define SCTPCTL_NAT_FRIENDLY 41
325 #define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation"
326 #define SCTPCTL_NAT_FRIENDLY_MIN 0
327 #define SCTPCTL_NAT_FRIENDLY_MAX 1
328 #define SCTPCTL_NAT_FRIENDLY_DEFAULT 1
330 /* abc_l_var: SCTP ABC max increase per SACK (L) */
331 #define SCTPCTL_ABC_L_VAR 42
332 #define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)"
333 #define SCTPCTL_ABC_L_VAR_MIN 0
334 #define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF
335 #define SCTPCTL_ABC_L_VAR_DEFAULT 1
337 /* max_chained_mbufs: Default max number of small mbufs on a chain */
338 #define SCTPCTL_MAX_CHAINED_MBUFS 43
339 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain"
340 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0
341 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF
342 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN
344 /* cmt_use_dac: CMT DAC on/off flag */
345 #define SCTPCTL_CMT_USE_DAC 44
346 #define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag"
347 #define SCTPCTL_CMT_USE_DAC_MIN 0
348 #define SCTPCTL_CMT_USE_DAC_MAX 1
349 #define SCTPCTL_CMT_USE_DAC_DEFAULT 0
351 /* do_sctp_drain: Should SCTP respond to the drain calls */
352 #define SCTPCTL_DO_SCTP_DRAIN 45
353 #define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls"
354 #define SCTPCTL_DO_SCTP_DRAIN_MIN 0
355 #define SCTPCTL_DO_SCTP_DRAIN_MAX 1
356 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1
358 /* hb_max_burst: Confirmation Heartbeat max burst? */
359 #define SCTPCTL_HB_MAX_BURST 46
360 #define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst?"
361 #define SCTPCTL_HB_MAX_BURST_MIN 1
362 #define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF
363 #define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_MAX_BURST
365 /* abort_at_limit: When one-2-one hits qlimit abort */
366 #define SCTPCTL_ABORT_AT_LIMIT 47
367 #define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort"
368 #define SCTPCTL_ABORT_AT_LIMIT_MIN 0
369 #define SCTPCTL_ABORT_AT_LIMIT_MAX 1
370 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0
372 /* strict_data_order: Enforce strict data ordering, abort if control inside data */
373 #define SCTPCTL_STRICT_DATA_ORDER 48
374 #define SCTPCTL_STRICT_DATA_ORDER_DESC "Enforce strict data ordering, abort if control inside data"
375 #define SCTPCTL_STRICT_DATA_ORDER_MIN 0
376 #define SCTPCTL_STRICT_DATA_ORDER_MAX 1
377 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT 0
379 /* min_residual: min residual in a data fragment leftover */
380 #define SCTPCTL_MIN_REDIDUAL 49
381 #define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split"
382 #define SCTPCTL_MIN_RESIDUAL_MIN 20
383 #define SCTPCTL_MIN_RESIDUAL_MAX 65535
384 #define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452
386 /* max_retran_chunk: max chunk retransmissions */
387 #define SCTPCTL_MAX_RETRAN_CHUNK 50
388 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retran'd before assoc abort"
389 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0
390 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535
391 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30
395 /* debug: Configure debug output */
396 #define SCTPCTL_DEBUG 51
397 #define SCTPCTL_DEBUG_DESC "Configure debug output"
398 #define SCTPCTL_DEBUG_MIN 0
399 #define SCTPCTL_DEBUG_MAX 0xFFFFFFFF
400 #define SCTPCTL_DEBUG_DEFAULT 0
403 #define SCTPCTL_MAXID 51
405 #define SCTPCTL_MAXID 50
409 * Names for SCTP sysctl objects variables.
410 * Must match the OIDs above.
413 #define SCTPCTL_NAMES { \
415 { "sendspace", CTLTYPE_INT }, \
416 { "recvspace", CTLTYPE_INT }, \
417 { "autoasconf", CTLTYPE_INT }, \
418 { "ecn_enable", CTLTYPE_INT }, \
419 { "ecn_nonce", CTLTYPE_INT }, \
420 { "strict_sack", CTLTYPE_INT }, \
421 { "looback_nocsum", CTLTYPE_INT }, \
422 { "strict_init", CTLTYPE_INT }, \
423 { "peer_chkoh", CTLTYPE_INT }, \
424 { "maxburst", CTLTYPE_INT }, \
425 { "maxchunks", CTLTYPE_INT }, \
426 { "delayed_sack_time", CTLTYPE_INT }, \
427 { "sack_freq", CTLTYPE_INT }, \
428 { "heartbeat_interval", CTLTYPE_INT }, \
429 { "pmtu_raise_time", CTLTYPE_INT }, \
430 { "shutdown_guard_time", CTLTYPE_INT }, \
431 { "secret_lifetime", CTLTYPE_INT }, \
432 { "rto_max", CTLTYPE_INT }, \
433 { "rto_min", CTLTYPE_INT }, \
434 { "rto_initial", CTLTYPE_INT }, \
435 { "init_rto_max", CTLTYPE_INT }, \
436 { "valid_cookie_life", CTLTYPE_INT }, \
437 { "init_rtx_max", CTLTYPE_INT }, \
438 { "assoc_rtx_max", CTLTYPE_INT }, \
439 { "path_rtx_max", CTLTYPE_INT }, \
440 { "outgoing_streams", CTLTYPE_INT }, \
441 { "cmt_on_off", CTLTYPE_INT }, \
442 { "cwnd_maxburst", CTLTYPE_INT }, \
443 { "early_fast_retran", CTLTYPE_INT }, \
444 { "deadlock_detect", CTLTYPE_INT }, \
445 { "early_fast_retran_msec", CTLTYPE_INT }, \
446 { "asconf_auth_nochk", CTLTYPE_INT }, \
447 { "auth_disable", CTLTYPE_INT }, \
448 { "nat_friendly", CTLTYPE_INT }, \
449 { "abc_l_var", CTLTYPE_INT }, \
450 { "max_mbuf_chain", CTLTYPE_INT }, \
451 { "cmt_use_dac", CTLTYPE_INT }, \
452 { "do_sctp_drain", CTLTYPE_INT }, \
453 { "warm_crc_table", CTLTYPE_INT }, \
454 { "abort_at_limit", CTLTYPE_INT }, \
455 { "strict_data_order", CTLTYPE_INT }, \
456 { "tcbhashsize", CTLTYPE_INT }, \
457 { "pcbhashsize", CTLTYPE_INT }, \
458 { "chunkscale", CTLTYPE_INT }, \
459 { "min_split_point", CTLTYPE_INT }, \
460 { "add_more_on_output", CTLTYPE_INT }, \
461 { "sys_resource", CTLTYPE_INT }, \
462 { "asoc_resource", CTLTYPE_INT }, \
463 { "min_residual", CTLTYPE_INT }, \
464 { "max_retran_chunk", CTLTYPE_INT }, \
465 { "debug", CTLTYPE_INT }, \
468 #define SCTPCTL_NAMES { \
470 { "sendspace", CTLTYPE_INT }, \
471 { "recvspace", CTLTYPE_INT }, \
472 { "autoasconf", CTLTYPE_INT }, \
473 { "ecn_enable", CTLTYPE_INT }, \
474 { "ecn_nonce", CTLTYPE_INT }, \
475 { "strict_sack", CTLTYPE_INT }, \
476 { "looback_nocsum", CTLTYPE_INT }, \
477 { "strict_init", CTLTYPE_INT }, \
478 { "peer_chkoh", CTLTYPE_INT }, \
479 { "maxburst", CTLTYPE_INT }, \
480 { "maxchunks", CTLTYPE_INT }, \
481 { "delayed_sack_time", CTLTYPE_INT }, \
482 { "sack_freq", CTLTYPE_INT }, \
483 { "heartbeat_interval", CTLTYPE_INT }, \
484 { "pmtu_raise_time", CTLTYPE_INT }, \
485 { "shutdown_guard_time", CTLTYPE_INT }, \
486 { "secret_lifetime", CTLTYPE_INT }, \
487 { "rto_max", CTLTYPE_INT }, \
488 { "rto_min", CTLTYPE_INT }, \
489 { "rto_initial", CTLTYPE_INT }, \
490 { "init_rto_max", CTLTYPE_INT }, \
491 { "valid_cookie_life", CTLTYPE_INT }, \
492 { "init_rtx_max", CTLTYPE_INT }, \
493 { "assoc_rtx_max", CTLTYPE_INT }, \
494 { "path_rtx_max", CTLTYPE_INT }, \
495 { "outgoing_streams", CTLTYPE_INT }, \
496 { "cmt_on_off", CTLTYPE_INT }, \
497 { "cwnd_maxburst", CTLTYPE_INT }, \
498 { "early_fast_retran", CTLTYPE_INT }, \
499 { "deadlock_detect", CTLTYPE_INT }, \
500 { "early_fast_retran_msec", CTLTYPE_INT }, \
501 { "asconf_auth_nochk", CTLTYPE_INT }, \
502 { "auth_disable", CTLTYPE_INT }, \
503 { "nat_friendly", CTLTYPE_INT }, \
504 { "abc_l_var", CTLTYPE_INT }, \
505 { "max_mbuf_chain", CTLTYPE_INT }, \
506 { "cmt_use_dac", CTLTYPE_INT }, \
507 { "do_sctp_drain", CTLTYPE_INT }, \
508 { "warm_crc_table", CTLTYPE_INT }, \
509 { "abort_at_limit", CTLTYPE_INT }, \
510 { "strict_data_order", CTLTYPE_INT }, \
511 { "tcbhashsize", CTLTYPE_INT }, \
512 { "pcbhashsize", CTLTYPE_INT }, \
513 { "chunkscale", CTLTYPE_INT }, \
514 { "min_split_point", CTLTYPE_INT }, \
515 { "add_more_on_output", CTLTYPE_INT }, \
516 { "sys_resource", CTLTYPE_INT }, \
517 { "asoc_resource", CTLTYPE_INT }, \
518 { "min_residual", CTLTYPE_INT }, \
519 { "max_retran_chunk", CTLTYPE_INT }, \
527 * variable definitions
529 extern uint32_t sctp_sendspace;
530 extern uint32_t sctp_recvspace;
531 extern uint32_t sctp_auto_asconf;
532 extern uint32_t sctp_ecn_enable;
533 extern uint32_t sctp_ecn_nonce;
534 extern uint32_t sctp_strict_sacks;
535 extern uint32_t sctp_no_csum_on_loopback;
536 extern uint32_t sctp_strict_init;
537 extern uint32_t sctp_peer_chunk_oh;
538 extern uint32_t sctp_max_burst_default;
539 extern uint32_t sctp_max_chunks_on_queue;
540 extern uint32_t sctp_hashtblsize;
541 extern uint32_t sctp_pcbtblsize;
542 extern uint32_t sctp_min_split_point;
543 extern uint32_t sctp_chunkscale;
544 extern uint32_t sctp_delayed_sack_time_default;
545 extern uint32_t sctp_sack_freq_default;
546 extern uint32_t sctp_system_free_resc_limit;
547 extern uint32_t sctp_asoc_free_resc_limit;
548 extern uint32_t sctp_heartbeat_interval_default;
549 extern uint32_t sctp_pmtu_raise_time_default;
550 extern uint32_t sctp_shutdown_guard_time_default;
551 extern uint32_t sctp_secret_lifetime_default;
552 extern uint32_t sctp_rto_max_default;
553 extern uint32_t sctp_rto_min_default;
554 extern uint32_t sctp_rto_initial_default;
555 extern uint32_t sctp_init_rto_max_default;
556 extern uint32_t sctp_valid_cookie_life_default;
557 extern uint32_t sctp_init_rtx_max_default;
558 extern uint32_t sctp_assoc_rtx_max_default;
559 extern uint32_t sctp_path_rtx_max_default;
560 extern uint32_t sctp_add_more_threshold;
561 extern uint32_t sctp_nr_outgoing_streams_default;
562 extern uint32_t sctp_cmt_on_off;
563 extern uint32_t sctp_use_cwnd_based_maxburst;
564 extern uint32_t sctp_early_fr;
565 extern uint32_t sctp_use_rttvar_cc;
566 extern uint32_t sctp_says_check_for_deadlock;
567 extern uint32_t sctp_early_fr_msec;
568 extern uint32_t sctp_asconf_auth_nochk;
569 extern uint32_t sctp_auth_disable;
570 extern uint32_t sctp_nat_friendly;
571 extern uint32_t sctp_L2_abc_variable;
572 extern uint32_t sctp_mbuf_threshold_count;
573 extern uint32_t sctp_cmt_use_dac;
574 extern uint32_t sctp_do_drain;
575 extern uint32_t sctp_hb_maxburst;
576 extern uint32_t sctp_abort_if_one_2_one_hits_limit;
577 extern uint32_t sctp_strict_data_order;
578 extern uint32_t sctp_min_residual;
579 extern uint32_t sctp_max_retran_chunk;
581 #if defined(SCTP_DEBUG)
582 extern uint32_t sctp_debug_on;
586 extern struct sctpstat sctpstat;
590 SYSCTL_DECL(_net_inet_sctp);
594 #endif /* __sctp_sysctl_h__ */