xref: /freebsd/sys/netinet/sctp_sysctl.h (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*-
2  * Copyright (c) 2007, 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 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #ifndef __sctp_sysctl_h__
35 #define __sctp_sysctl_h__
36 
37 #include <netinet/sctp_os.h>
38 #include <netinet/sctp_constants.h>
39 
40 /*
41  * limits for the sysctl variables
42  */
43 /* maxdgram: Maximum outgoing SCTP buffer size */
44 #define SCTPCTL_MAXDGRAM_DESC		"Maximum outgoing SCTP buffer size"
45 #define SCTPCTL_MAXDGRAM_MIN		0
46 #define SCTPCTL_MAXDGRAM_MAX		0xFFFFFFFF
47 #define SCTPCTL_MAXDGRAM_DEFAULT	262144	/* 256k */
48 
49 /* recvspace: Maximum incoming SCTP buffer size */
50 #define SCTPCTL_RECVSPACE_DESC		"Maximum incoming SCTP buffer size"
51 #define SCTPCTL_RECVSPACE_MIN		0
52 #define SCTPCTL_RECVSPACE_MAX		0xFFFFFFFF
53 #define SCTPCTL_RECVSPACE_DEFAULT	262144	/* 256k */
54 
55 /* autoasconf: Enable SCTP Auto-ASCONF */
56 #define SCTPCTL_AUTOASCONF_DESC		"Enable SCTP Auto-ASCONF"
57 #define SCTPCTL_AUTOASCONF_MIN		0
58 #define SCTPCTL_AUTOASCONF_MAX		1
59 #define SCTPCTL_AUTOASCONF_DEFAULT	SCTP_DEFAULT_AUTO_ASCONF
60 
61 /* ecn_enable: Enable SCTP ECN */
62 #define SCTPCTL_ECN_ENABLE_DESC		"Enable SCTP ECN"
63 #define SCTPCTL_ECN_ENABLE_MIN		0
64 #define SCTPCTL_ECN_ENABLE_MAX		1
65 #define SCTPCTL_ECN_ENABLE_DEFAULT	1
66 
67 /* ecn_nonce: Enable SCTP ECN Nonce */
68 #define SCTPCTL_ECN_NONCE_DESC		"Enable SCTP ECN Nonce"
69 #define SCTPCTL_ECN_NONCE_MIN		0
70 #define SCTPCTL_ECN_NONCE_MAX		1
71 #define SCTPCTL_ECN_NONCE_DEFAULT	0
72 
73 /* strict_sacks: Enable SCTP Strict SACK checking */
74 #define SCTPCTL_STRICT_SACKS_DESC	"Enable SCTP Strict SACK checking"
75 #define SCTPCTL_STRICT_SACKS_MIN	0
76 #define SCTPCTL_STRICT_SACKS_MAX	1
77 #define SCTPCTL_STRICT_SACKS_DEFAULT	0
78 
79 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */
80 #define SCTPCTL_LOOPBACK_NOCSUM_DESC	"Enable NO Csum on packets sent on loopback"
81 #define SCTPCTL_LOOPBACK_NOCSUM_MIN	0
82 #define SCTPCTL_LOOPBACK_NOCSUM_MAX	1
83 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT	1
84 
85 /* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */
86 #define SCTPCTL_STRICT_INIT_DESC	"Enable strict INIT/INIT-ACK singleton enforcement"
87 #define SCTPCTL_STRICT_INIT_MIN		0
88 #define SCTPCTL_STRICT_INIT_MAX		1
89 #define SCTPCTL_STRICT_INIT_DEFAULT	1
90 
91 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */
92 #define SCTPCTL_PEER_CHKOH_DESC		"Amount to debit peers rwnd per chunk sent"
93 #define SCTPCTL_PEER_CHKOH_MIN		0
94 #define SCTPCTL_PEER_CHKOH_MAX		0xFFFFFFFF
95 #define SCTPCTL_PEER_CHKOH_DEFAULT	256
96 
97 /* maxburst: Default max burst for sctp endpoints */
98 #define SCTPCTL_MAXBURST_DESC		"Default max burst for sctp endpoints"
99 #define SCTPCTL_MAXBURST_MIN		1
100 #define SCTPCTL_MAXBURST_MAX		0xFFFFFFFF
101 #define SCTPCTL_MAXBURST_DEFAULT	SCTP_DEF_MAX_BURST
102 
103 /* maxchunks: Default max chunks on queue per asoc */
104 #define SCTPCTL_MAXCHUNKS_DESC		"Default max chunks on queue per asoc"
105 #define SCTPCTL_MAXCHUNKS_MIN		0
106 #define SCTPCTL_MAXCHUNKS_MAX		0xFFFFFFFF
107 #define SCTPCTL_MAXCHUNKS_DEFAULT	SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
108 
109 /* tcbhashsize: Tuneable for Hash table sizes */
110 #define SCTPCTL_TCBHASHSIZE_DESC	"Tunable for TCB hash table sizes"
111 #define SCTPCTL_TCBHASHSIZE_MIN		1
112 #define SCTPCTL_TCBHASHSIZE_MAX		0xFFFFFFFF
113 #define SCTPCTL_TCBHASHSIZE_DEFAULT	SCTP_TCBHASHSIZE
114 
115 /* pcbhashsize: Tuneable for PCB Hash table sizes */
116 #define SCTPCTL_PCBHASHSIZE_DESC	"Tunable for PCB hash table sizes"
117 #define SCTPCTL_PCBHASHSIZE_MIN		1
118 #define SCTPCTL_PCBHASHSIZE_MAX		0xFFFFFFFF
119 #define SCTPCTL_PCBHASHSIZE_DEFAULT	SCTP_PCBHASHSIZE
120 
121 /* min_split_point: Minimum size when splitting a chunk */
122 #define SCTPCTL_MIN_SPLIT_POINT_DESC	"Minimum size when splitting a chunk"
123 #define SCTPCTL_MIN_SPLIT_POINT_MIN	0
124 #define SCTPCTL_MIN_SPLIT_POINT_MAX	0xFFFFFFFF
125 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT	SCTP_DEFAULT_SPLIT_POINT_MIN
126 
127 /* chunkscale: Tuneable for Scaling of number of chunks and messages */
128 #define SCTPCTL_CHUNKSCALE_DESC		"Tuneable for Scaling of number of chunks and messages"
129 #define SCTPCTL_CHUNKSCALE_MIN		1
130 #define SCTPCTL_CHUNKSCALE_MAX		0xFFFFFFFF
131 #define SCTPCTL_CHUNKSCALE_DEFAULT	SCTP_CHUNKQUEUE_SCALE
132 
133 /* delayed_sack_time: Default delayed SACK timer in msec */
134 #define SCTPCTL_DELAYED_SACK_TIME_DESC	"Default delayed SACK timer in msec"
135 #define SCTPCTL_DELAYED_SACK_TIME_MIN	0
136 #define SCTPCTL_DELAYED_SACK_TIME_MAX	0xFFFFFFFF
137 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT	SCTP_RECV_MSEC
138 
139 /* sack_freq: Default SACK frequency */
140 #define SCTPCTL_SACK_FREQ_DESC		"Default SACK frequency"
141 #define SCTPCTL_SACK_FREQ_MIN		0
142 #define SCTPCTL_SACK_FREQ_MAX		0xFFFFFFFF
143 #define SCTPCTL_SACK_FREQ_DEFAULT	SCTP_DEFAULT_SACK_FREQ
144 
145 /* sys_resource: Max number of cached resources in the system */
146 #define SCTPCTL_SYS_RESOURCE_DESC	"Max number of cached resources in the system"
147 #define SCTPCTL_SYS_RESOURCE_MIN	0
148 #define SCTPCTL_SYS_RESOURCE_MAX	0xFFFFFFFF
149 #define SCTPCTL_SYS_RESOURCE_DEFAULT	SCTP_DEF_SYSTEM_RESC_LIMIT
150 
151 /* asoc_resource: Max number of cached resources in an asoc */
152 #define SCTPCTL_ASOC_RESOURCE_DESC	"Max number of cached resources in an asoc"
153 #define SCTPCTL_ASOC_RESOURCE_MIN	0
154 #define SCTPCTL_ASOC_RESOURCE_MAX	0xFFFFFFFF
155 #define SCTPCTL_ASOC_RESOURCE_DEFAULT	SCTP_DEF_ASOC_RESC_LIMIT
156 
157 /* heartbeat_interval: Default heartbeat interval in msec */
158 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC	"Default heartbeat interval in msec"
159 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN	0
160 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX	0xFFFFFFFF
161 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT	SCTP_HB_DEFAULT_MSEC
162 
163 /* pmtu_raise_time: Default PMTU raise timer in sec */
164 #define SCTPCTL_PMTU_RAISE_TIME_DESC	"Default PMTU raise timer in sec"
165 #define SCTPCTL_PMTU_RAISE_TIME_MIN	0
166 #define SCTPCTL_PMTU_RAISE_TIME_MAX	0xFFFFFFFF
167 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT	SCTP_DEF_PMTU_RAISE_SEC
168 
169 /* shutdown_guard_time: Default shutdown guard timer in sec */
170 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC	"Default shutdown guard timer in sec"
171 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN		0
172 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX		0xFFFFFFFF
173 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT	SCTP_DEF_MAX_SHUTDOWN_SEC
174 
175 /* secret_lifetime: Default secret lifetime in sec */
176 #define SCTPCTL_SECRET_LIFETIME_DESC	"Default secret lifetime in sec"
177 #define SCTPCTL_SECRET_LIFETIME_MIN	0
178 #define SCTPCTL_SECRET_LIFETIME_MAX	0xFFFFFFFF
179 #define SCTPCTL_SECRET_LIFETIME_DEFAULT	SCTP_DEFAULT_SECRET_LIFE_SEC
180 
181 /* rto_max: Default maximum retransmission timeout in msec */
182 #define SCTPCTL_RTO_MAX_DESC		"Default maximum retransmission timeout in msec"
183 #define SCTPCTL_RTO_MAX_MIN		0
184 #define SCTPCTL_RTO_MAX_MAX		0xFFFFFFFF
185 #define SCTPCTL_RTO_MAX_DEFAULT		SCTP_RTO_UPPER_BOUND
186 
187 /* rto_min: Default minimum retransmission timeout in msec */
188 #define SCTPCTL_RTO_MIN_DESC		"Default minimum retransmission timeout in msec"
189 #define SCTPCTL_RTO_MIN_MIN		0
190 #define SCTPCTL_RTO_MIN_MAX		0xFFFFFFFF
191 #define SCTPCTL_RTO_MIN_DEFAULT		SCTP_RTO_LOWER_BOUND
192 
193 /* rto_initial: Default initial retransmission timeout in msec */
194 #define SCTPCTL_RTO_INITIAL_DESC	"Default initial retransmission timeout in msec"
195 #define SCTPCTL_RTO_INITIAL_MIN		0
196 #define SCTPCTL_RTO_INITIAL_MAX		0xFFFFFFFF
197 #define SCTPCTL_RTO_INITIAL_DEFAULT	SCTP_RTO_INITIAL
198 
199 /* init_rto_max: Default maximum retransmission timeout during association setup in msec */
200 #define SCTPCTL_INIT_RTO_MAX_DESC	"Default maximum retransmission timeout during association setup in msec"
201 #define SCTPCTL_INIT_RTO_MAX_MIN	0
202 #define SCTPCTL_INIT_RTO_MAX_MAX	0xFFFFFFFF
203 #define SCTPCTL_INIT_RTO_MAX_DEFAULT	SCTP_RTO_UPPER_BOUND
204 
205 /* valid_cookie_life: Default cookie lifetime in sec */
206 #define SCTPCTL_VALID_COOKIE_LIFE_DESC	"Default cookie lifetime in sec"
207 #define SCTPCTL_VALID_COOKIE_LIFE_MIN	0
208 #define SCTPCTL_VALID_COOKIE_LIFE_MAX	0xFFFFFFFF
209 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT	SCTP_DEFAULT_COOKIE_LIFE
210 
211 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */
212 #define SCTPCTL_INIT_RTX_MAX_DESC	"Default maximum number of retransmission for INIT chunks"
213 #define SCTPCTL_INIT_RTX_MAX_MIN	0
214 #define SCTPCTL_INIT_RTX_MAX_MAX	0xFFFFFFFF
215 #define SCTPCTL_INIT_RTX_MAX_DEFAULT	SCTP_DEF_MAX_INIT
216 
217 /* assoc_rtx_max: Default maximum number of retransmissions per association */
218 #define SCTPCTL_ASSOC_RTX_MAX_DESC	"Default maximum number of retransmissions per association"
219 #define SCTPCTL_ASSOC_RTX_MAX_MIN	0
220 #define SCTPCTL_ASSOC_RTX_MAX_MAX	0xFFFFFFFF
221 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT	SCTP_DEF_MAX_SEND
222 
223 /* path_rtx_max: Default maximum of retransmissions per path */
224 #define SCTPCTL_PATH_RTX_MAX_DESC	"Default maximum of retransmissions per path"
225 #define SCTPCTL_PATH_RTX_MAX_MIN	0
226 #define SCTPCTL_PATH_RTX_MAX_MAX	0xFFFFFFFF
227 #define SCTPCTL_PATH_RTX_MAX_DEFAULT	SCTP_DEF_MAX_PATH_RTX
228 
229 /* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */
230 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC	"When space wise is it worthwhile to try to add more to a socket send buffer"
231 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN	0
232 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX	0xFFFFFFFF
233 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
234 
235 /* outgoing_streams: Default number of outgoing streams */
236 #define SCTPCTL_OUTGOING_STREAMS_DESC	"Default number of outgoing streams"
237 #define SCTPCTL_OUTGOING_STREAMS_MIN	1
238 #define SCTPCTL_OUTGOING_STREAMS_MAX	65535
239 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
240 
241 /* cmt_on_off: CMT on/off flag */
242 #define SCTPCTL_CMT_ON_OFF_DESC		"CMT on/off flag"
243 #define SCTPCTL_CMT_ON_OFF_MIN		0
244 #define SCTPCTL_CMT_ON_OFF_MAX		1
245 #define SCTPCTL_CMT_ON_OFF_DEFAULT	0
246 
247 /* cmt_use_dac: CMT DAC on/off flag */
248 #define SCTPCTL_CMT_USE_DAC_DESC	"CMT DAC on/off flag"
249 #define SCTPCTL_CMT_USE_DAC_MIN		0
250 #define SCTPCTL_CMT_USE_DAC_MAX		1
251 #define SCTPCTL_CMT_USE_DAC_DEFAULT    	0
252 
253 /* JRS 5/2107 - CMT PF type flag */
254 #define SCTPCTL_CMT_PF_DESC		"CMT PF type flag"
255 #define SCTPCTL_CMT_PF_MIN		0
256 #define SCTPCTL_CMT_PF_MAX		2
257 #define SCTPCTL_CMT_PF_DEFAULT		0
258 
259 /* cwnd_maxburst: Use a CWND adjusting maxburst */
260 #define SCTPCTL_CWND_MAXBURST_DESC	"Use a CWND adjusting maxburst"
261 #define SCTPCTL_CWND_MAXBURST_MIN	0
262 #define SCTPCTL_CWND_MAXBURST_MAX	1
263 #define SCTPCTL_CWND_MAXBURST_DEFAULT	1
264 
265 /* early_fast_retran: Early Fast Retransmit with timer */
266 #define SCTPCTL_EARLY_FAST_RETRAN_DESC	"Early Fast Retransmit with timer"
267 #define SCTPCTL_EARLY_FAST_RETRAN_MIN	0
268 #define SCTPCTL_EARLY_FAST_RETRAN_MAX	0xFFFFFFFF
269 #define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT	0
270 
271 /* early_fast_retran_msec: Early Fast Retransmit minimum timer value */
272 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC	"Early Fast Retransmit minimum timer value"
273 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN	0
274 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX	0xFFFFFFFF
275 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT	SCTP_MINFR_MSEC_TIMER
276 
277 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */
278 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC	"Disable SCTP ASCONF AUTH requirement"
279 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN	0
280 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX	1
281 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT	0
282 
283 /* auth_disable: Disable SCTP AUTH function */
284 #define SCTPCTL_AUTH_DISABLE_DESC	"Disable SCTP AUTH function"
285 #define SCTPCTL_AUTH_DISABLE_MIN	0
286 #define SCTPCTL_AUTH_DISABLE_MAX	1
287 #define SCTPCTL_AUTH_DISABLE_DEFAULT	0
288 
289 /* nat_friendly: SCTP NAT friendly operation */
290 #define SCTPCTL_NAT_FRIENDLY_DESC	"SCTP NAT friendly operation"
291 #define SCTPCTL_NAT_FRIENDLY_MIN	0
292 #define SCTPCTL_NAT_FRIENDLY_MAX	1
293 #define SCTPCTL_NAT_FRIENDLY_DEFAULT	1
294 
295 /* abc_l_var: SCTP ABC max increase per SACK (L) */
296 #define SCTPCTL_ABC_L_VAR_DESC		"SCTP ABC max increase per SACK (L)"
297 #define SCTPCTL_ABC_L_VAR_MIN		0
298 #define SCTPCTL_ABC_L_VAR_MAX		0xFFFFFFFF
299 #define SCTPCTL_ABC_L_VAR_DEFAULT	1
300 
301 /* max_chained_mbufs: Default max number of small mbufs on a chain */
302 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC	"Default max number of small mbufs on a chain"
303 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN	0
304 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX	0xFFFFFFFF
305 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT	SCTP_DEFAULT_MBUFS_IN_CHAIN
306 
307 /* do_sctp_drain: Should SCTP respond to the drain calls */
308 #define SCTPCTL_DO_SCTP_DRAIN_DESC	"Should SCTP respond to the drain calls"
309 #define SCTPCTL_DO_SCTP_DRAIN_MIN	0
310 #define SCTPCTL_DO_SCTP_DRAIN_MAX	1
311 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT	1
312 
313 /* hb_max_burst: Confirmation Heartbeat max burst? */
314 #define SCTPCTL_HB_MAX_BURST_DESC	"Confirmation Heartbeat max burst"
315 #define SCTPCTL_HB_MAX_BURST_MIN	1
316 #define SCTPCTL_HB_MAX_BURST_MAX	0xFFFFFFFF
317 #define SCTPCTL_HB_MAX_BURST_DEFAULT	SCTP_DEF_MAX_BURST
318 
319 /* abort_at_limit: When one-2-one hits qlimit abort */
320 #define SCTPCTL_ABORT_AT_LIMIT_DESC	"When one-2-one hits qlimit abort"
321 #define SCTPCTL_ABORT_AT_LIMIT_MIN	0
322 #define SCTPCTL_ABORT_AT_LIMIT_MAX	1
323 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT	0
324 
325 /* strict_data_order: Enforce strict data ordering, abort if control inside data */
326 #define SCTPCTL_STRICT_DATA_ORDER_DESC	"Enforce strict data ordering, abort if control inside data"
327 #define SCTPCTL_STRICT_DATA_ORDER_MIN	0
328 #define SCTPCTL_STRICT_DATA_ORDER_MAX	1
329 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT	0
330 
331 /* min_residual: min residual in a data fragment leftover */
332 #define SCTPCTL_MIN_RESIDUAL_DESC	"Minimum residual data chunk in second part of split"
333 #define SCTPCTL_MIN_RESIDUAL_MIN	20
334 #define SCTPCTL_MIN_RESIDUAL_MAX	65535
335 #define SCTPCTL_MIN_RESIDUAL_DEFAULT	1452
336 
337 /* max_retran_chunk: max chunk retransmissions */
338 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC	"Maximum times an unlucky chunk can be retran'd before assoc abort"
339 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN	0
340 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX	65535
341 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT	30
342 
343 /* sctp_logging: This gives us logging when the options are enabled */
344 #define SCTPCTL_LOGGING_LEVEL_DESC	"Ltrace/KTR trace logging level"
345 #define SCTPCTL_LOGGING_LEVEL_MIN	0
346 #define SCTPCTL_LOGGING_LEVEL_MAX	0xffffffff
347 #define SCTPCTL_LOGGING_LEVEL_DEFAULT	0
348 
349 /* JRS - default congestion control module sysctl */
350 #define SCTPCTL_DEFAULT_CC_MODULE_DESC		"Default congestion control module"
351 #define SCTPCTL_DEFAULT_CC_MODULE_MIN		0
352 #define SCTPCTL_DEFAULT_CC_MODULE_MAX		2
353 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT	0
354 
355 /* RRS - default fragment interleave */
356 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC	"Default fragment interleave level"
357 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN	0
358 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX	2
359 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT	1
360 
361 /* mobility_base: Enable SCTP mobility support */
362 #define SCTPCTL_MOBILITY_BASE_DESC	"Enable SCTP base mobility"
363 #define SCTPCTL_MOBILITY_BASE_MIN	0
364 #define SCTPCTL_MOBILITY_BASE_MAX	1
365 #define SCTPCTL_MOBILITY_BASE_DEFAULT	SCTP_DEFAULT_MOBILITY_BASE
366 
367 /* mobility_fasthandoff: Enable SCTP fast handoff support */
368 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC	"Enable SCTP fast handoff"
369 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN	0
370 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX	1
371 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT	SCTP_DEFAULT_MOBILITY_FASTHANDOFF
372 
373 #if defined(SCTP_DEBUG)
374 /* debug: Configure debug output */
375 #define SCTPCTL_DEBUG_DESC	"Configure debug output"
376 #define SCTPCTL_DEBUG_MIN	0
377 #define SCTPCTL_DEBUG_MAX	0xFFFFFFFF
378 #define SCTPCTL_DEBUG_DEFAULT	0
379 #endif
380 
381 
382 
383 #if defined(_KERNEL)
384 
385 /*
386  * variable definitions
387  */
388 extern uint32_t sctp_sendspace;
389 extern uint32_t sctp_recvspace;
390 extern uint32_t sctp_auto_asconf;
391 extern uint32_t sctp_ecn_enable;
392 extern uint32_t sctp_ecn_nonce;
393 extern uint32_t sctp_strict_sacks;
394 extern uint32_t sctp_no_csum_on_loopback;
395 extern uint32_t sctp_strict_init;
396 extern uint32_t sctp_peer_chunk_oh;
397 extern uint32_t sctp_max_burst_default;
398 extern uint32_t sctp_max_chunks_on_queue;
399 extern uint32_t sctp_hashtblsize;
400 extern uint32_t sctp_pcbtblsize;
401 extern uint32_t sctp_min_split_point;
402 extern uint32_t sctp_chunkscale;
403 extern uint32_t sctp_delayed_sack_time_default;
404 extern uint32_t sctp_sack_freq_default;
405 extern uint32_t sctp_system_free_resc_limit;
406 extern uint32_t sctp_asoc_free_resc_limit;
407 extern uint32_t sctp_heartbeat_interval_default;
408 extern uint32_t sctp_pmtu_raise_time_default;
409 extern uint32_t sctp_shutdown_guard_time_default;
410 extern uint32_t sctp_secret_lifetime_default;
411 extern uint32_t sctp_rto_max_default;
412 extern uint32_t sctp_rto_min_default;
413 extern uint32_t sctp_rto_initial_default;
414 extern uint32_t sctp_init_rto_max_default;
415 extern uint32_t sctp_valid_cookie_life_default;
416 extern uint32_t sctp_init_rtx_max_default;
417 extern uint32_t sctp_assoc_rtx_max_default;
418 extern uint32_t sctp_path_rtx_max_default;
419 extern uint32_t sctp_add_more_threshold;
420 extern uint32_t sctp_nr_outgoing_streams_default;
421 extern uint32_t sctp_cmt_on_off;
422 extern uint32_t sctp_cmt_use_dac;
423 
424 /* JRS 5/21/07 - CMT PF type flag variables  */
425 extern uint32_t sctp_cmt_pf;
426 extern uint32_t sctp_use_cwnd_based_maxburst;
427 extern uint32_t sctp_early_fr;
428 extern uint32_t sctp_early_fr_msec;
429 extern uint32_t sctp_asconf_auth_nochk;
430 extern uint32_t sctp_auth_disable;
431 extern uint32_t sctp_nat_friendly;
432 extern uint32_t sctp_L2_abc_variable;
433 extern uint32_t sctp_mbuf_threshold_count;
434 extern uint32_t sctp_do_drain;
435 extern uint32_t sctp_hb_maxburst;
436 extern uint32_t sctp_abort_if_one_2_one_hits_limit;
437 extern uint32_t sctp_strict_data_order;
438 extern uint32_t sctp_min_residual;
439 extern uint32_t sctp_max_retran_chunk;
440 extern uint32_t sctp_logging_level;
441 
442 /* JRS - Variable for the default congestion control module */
443 extern uint32_t sctp_default_cc_module;
444 extern uint32_t sctp_default_frag_interleave;
445 extern uint32_t sctp_mobility_base;
446 extern uint32_t sctp_mobility_fasthandoff;
447 
448 #if defined(SCTP_LOCAL_TRACE_BUF)
449 extern struct sctp_log sctp_log;
450 
451 #endif
452 #if defined(SCTP_DEBUG)
453 extern uint32_t sctp_debug_on;
454 
455 #endif
456 
457 extern struct sctpstat sctpstat;
458 
459 #if defined(SYSCTL_DECL)
460 SYSCTL_DECL(_net_inet_sctp);
461 #endif
462 
463 #endif				/* _KERNEL */
464 #endif				/* __sctp_sysctl_h__ */
465