xref: /freebsd/sys/netinet/sctp_sysctl.h (revision a3cf0ef5a295c885c895fabfd56470c0d1db322d)
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 struct sctp_sysctl {
41 	uint32_t sctp_sendspace;
42 	uint32_t sctp_recvspace;
43 	uint32_t sctp_auto_asconf;
44 	uint32_t sctp_multiple_asconfs;
45 	uint32_t sctp_ecn_enable;
46 	uint32_t sctp_ecn_nonce;
47 	uint32_t sctp_strict_sacks;
48 #if !defined(SCTP_WITH_NO_CSUM)
49 	uint32_t sctp_no_csum_on_loopback;
50 #endif
51 	uint32_t sctp_strict_init;
52 	uint32_t sctp_peer_chunk_oh;
53 	uint32_t sctp_max_burst_default;
54 	uint32_t sctp_max_chunks_on_queue;
55 	uint32_t sctp_hashtblsize;
56 	uint32_t sctp_pcbtblsize;
57 	uint32_t sctp_min_split_point;
58 	uint32_t sctp_chunkscale;
59 	uint32_t sctp_delayed_sack_time_default;
60 	uint32_t sctp_sack_freq_default;
61 	uint32_t sctp_system_free_resc_limit;
62 	uint32_t sctp_asoc_free_resc_limit;
63 	uint32_t sctp_heartbeat_interval_default;
64 	uint32_t sctp_pmtu_raise_time_default;
65 	uint32_t sctp_shutdown_guard_time_default;
66 	uint32_t sctp_secret_lifetime_default;
67 	uint32_t sctp_rto_max_default;
68 	uint32_t sctp_rto_min_default;
69 	uint32_t sctp_rto_initial_default;
70 	uint32_t sctp_init_rto_max_default;
71 	uint32_t sctp_valid_cookie_life_default;
72 	uint32_t sctp_init_rtx_max_default;
73 	uint32_t sctp_assoc_rtx_max_default;
74 	uint32_t sctp_path_rtx_max_default;
75 	uint32_t sctp_add_more_threshold;
76 	uint32_t sctp_nr_outgoing_streams_default;
77 	uint32_t sctp_cmt_on_off;
78 	uint32_t sctp_cmt_use_dac;
79 	/* EY 5/5/08 - nr_sack flag variable */
80 	uint32_t sctp_nr_sack_on_off;
81 	uint32_t sctp_cmt_pf;
82 	uint32_t sctp_use_cwnd_based_maxburst;
83 	uint32_t sctp_early_fr;
84 	uint32_t sctp_early_fr_msec;
85 	uint32_t sctp_asconf_auth_nochk;
86 	uint32_t sctp_auth_disable;
87 	uint32_t sctp_nat_friendly;
88 	uint32_t sctp_L2_abc_variable;
89 	uint32_t sctp_mbuf_threshold_count;
90 	uint32_t sctp_do_drain;
91 	uint32_t sctp_hb_maxburst;
92 	uint32_t sctp_abort_if_one_2_one_hits_limit;
93 	uint32_t sctp_strict_data_order;
94 	uint32_t sctp_min_residual;
95 	uint32_t sctp_max_retran_chunk;
96 	uint32_t sctp_logging_level;
97 	/* JRS - Variable for default congestion control module */
98 	uint32_t sctp_default_cc_module;
99 	uint32_t sctp_default_frag_interleave;
100 	uint32_t sctp_mobility_base;
101 	uint32_t sctp_mobility_fasthandoff;
102 	uint32_t sctp_inits_include_nat_friendly;
103 #if defined(SCTP_LOCAL_TRACE_BUF)
104 	struct sctp_log sctp_log;
105 #endif
106 	uint32_t sctp_udp_tunneling_for_client_enable;
107 	uint32_t sctp_udp_tunneling_port;
108 	uint32_t sctp_enable_sack_immediately;
109 	uint32_t sctp_vtag_time_wait;
110 	uint32_t sctp_buffer_splitting;
111 	uint32_t sctp_initial_cwnd;
112 #if defined(SCTP_DEBUG)
113 	uint32_t sctp_debug_on;
114 #endif
115 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
116 	uint32_t sctp_output_unlocked;
117 #endif
118 };
119 
120 /*
121  * limits for the sysctl variables
122  */
123 /* maxdgram: Maximum outgoing SCTP buffer size */
124 #define SCTPCTL_MAXDGRAM_DESC		"Maximum outgoing SCTP buffer size"
125 #define SCTPCTL_MAXDGRAM_MIN		0
126 #define SCTPCTL_MAXDGRAM_MAX		0xFFFFFFFF
127 #define SCTPCTL_MAXDGRAM_DEFAULT	262144	/* 256k */
128 
129 /* recvspace: Maximum incoming SCTP buffer size */
130 #define SCTPCTL_RECVSPACE_DESC		"Maximum incoming SCTP buffer size"
131 #define SCTPCTL_RECVSPACE_MIN		0
132 #define SCTPCTL_RECVSPACE_MAX		0xFFFFFFFF
133 #define SCTPCTL_RECVSPACE_DEFAULT	262144	/* 256k */
134 
135 /* autoasconf: Enable SCTP Auto-ASCONF */
136 #define SCTPCTL_AUTOASCONF_DESC		"Enable SCTP Auto-ASCONF"
137 #define SCTPCTL_AUTOASCONF_MIN		0
138 #define SCTPCTL_AUTOASCONF_MAX		1
139 #define SCTPCTL_AUTOASCONF_DEFAULT	SCTP_DEFAULT_AUTO_ASCONF
140 
141 /* autoasconf: Enable SCTP Auto-ASCONF */
142 #define SCTPCTL_MULTIPLEASCONFS_DESC	"Enable SCTP Muliple-ASCONFs"
143 #define SCTPCTL_MULTIPLEASCONFS_MIN	0
144 #define SCTPCTL_MULTIPLEASCONFS_MAX	1
145 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT	SCTP_DEFAULT_MULTIPLE_ASCONFS
146 
147 /* ecn_enable: Enable SCTP ECN */
148 #define SCTPCTL_ECN_ENABLE_DESC		"Enable SCTP ECN"
149 #define SCTPCTL_ECN_ENABLE_MIN		0
150 #define SCTPCTL_ECN_ENABLE_MAX		1
151 #define SCTPCTL_ECN_ENABLE_DEFAULT	1
152 
153 /* ecn_nonce: Enable SCTP ECN Nonce */
154 #define SCTPCTL_ECN_NONCE_DESC		"Enable SCTP ECN Nonce"
155 #define SCTPCTL_ECN_NONCE_MIN		0
156 #define SCTPCTL_ECN_NONCE_MAX		1
157 #define SCTPCTL_ECN_NONCE_DEFAULT	0
158 
159 /* strict_sacks: Enable SCTP Strict SACK checking */
160 #define SCTPCTL_STRICT_SACKS_DESC	"Enable SCTP Strict SACK checking"
161 #define SCTPCTL_STRICT_SACKS_MIN	0
162 #define SCTPCTL_STRICT_SACKS_MAX	1
163 #define SCTPCTL_STRICT_SACKS_DEFAULT	1
164 
165 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */
166 #define SCTPCTL_LOOPBACK_NOCSUM_DESC	"Enable NO Csum on packets sent on loopback"
167 #define SCTPCTL_LOOPBACK_NOCSUM_MIN	0
168 #define SCTPCTL_LOOPBACK_NOCSUM_MAX	1
169 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT	1
170 
171 /* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */
172 #define SCTPCTL_STRICT_INIT_DESC	"Enable strict INIT/INIT-ACK singleton enforcement"
173 #define SCTPCTL_STRICT_INIT_MIN		0
174 #define SCTPCTL_STRICT_INIT_MAX		1
175 #define SCTPCTL_STRICT_INIT_DEFAULT	1
176 
177 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */
178 #define SCTPCTL_PEER_CHKOH_DESC		"Amount to debit peers rwnd per chunk sent"
179 #define SCTPCTL_PEER_CHKOH_MIN		0
180 #define SCTPCTL_PEER_CHKOH_MAX		0xFFFFFFFF
181 #define SCTPCTL_PEER_CHKOH_DEFAULT	256
182 
183 /* maxburst: Default max burst for sctp endpoints */
184 #define SCTPCTL_MAXBURST_DESC		"Default max burst for sctp endpoints"
185 #define SCTPCTL_MAXBURST_MIN		1
186 #define SCTPCTL_MAXBURST_MAX		0xFFFFFFFF
187 #define SCTPCTL_MAXBURST_DEFAULT	SCTP_DEF_MAX_BURST
188 
189 /* maxchunks: Default max chunks on queue per asoc */
190 #define SCTPCTL_MAXCHUNKS_DESC		"Default max chunks on queue per asoc"
191 #define SCTPCTL_MAXCHUNKS_MIN		0
192 #define SCTPCTL_MAXCHUNKS_MAX		0xFFFFFFFF
193 #define SCTPCTL_MAXCHUNKS_DEFAULT	SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
194 
195 /* tcbhashsize: Tuneable for Hash table sizes */
196 #define SCTPCTL_TCBHASHSIZE_DESC	"Tunable for TCB hash table sizes"
197 #define SCTPCTL_TCBHASHSIZE_MIN		1
198 #define SCTPCTL_TCBHASHSIZE_MAX		0xFFFFFFFF
199 #define SCTPCTL_TCBHASHSIZE_DEFAULT	SCTP_TCBHASHSIZE
200 
201 /* pcbhashsize: Tuneable for PCB Hash table sizes */
202 #define SCTPCTL_PCBHASHSIZE_DESC	"Tunable for PCB hash table sizes"
203 #define SCTPCTL_PCBHASHSIZE_MIN		1
204 #define SCTPCTL_PCBHASHSIZE_MAX		0xFFFFFFFF
205 #define SCTPCTL_PCBHASHSIZE_DEFAULT	SCTP_PCBHASHSIZE
206 
207 /* min_split_point: Minimum size when splitting a chunk */
208 #define SCTPCTL_MIN_SPLIT_POINT_DESC	"Minimum size when splitting a chunk"
209 #define SCTPCTL_MIN_SPLIT_POINT_MIN	0
210 #define SCTPCTL_MIN_SPLIT_POINT_MAX	0xFFFFFFFF
211 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT	SCTP_DEFAULT_SPLIT_POINT_MIN
212 
213 /* chunkscale: Tuneable for Scaling of number of chunks and messages */
214 #define SCTPCTL_CHUNKSCALE_DESC		"Tuneable for Scaling of number of chunks and messages"
215 #define SCTPCTL_CHUNKSCALE_MIN		1
216 #define SCTPCTL_CHUNKSCALE_MAX		0xFFFFFFFF
217 #define SCTPCTL_CHUNKSCALE_DEFAULT	SCTP_CHUNKQUEUE_SCALE
218 
219 /* delayed_sack_time: Default delayed SACK timer in msec */
220 #define SCTPCTL_DELAYED_SACK_TIME_DESC	"Default delayed SACK timer in msec"
221 #define SCTPCTL_DELAYED_SACK_TIME_MIN	0
222 #define SCTPCTL_DELAYED_SACK_TIME_MAX	0xFFFFFFFF
223 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT	SCTP_RECV_MSEC
224 
225 /* sack_freq: Default SACK frequency */
226 #define SCTPCTL_SACK_FREQ_DESC		"Default SACK frequency"
227 #define SCTPCTL_SACK_FREQ_MIN		0
228 #define SCTPCTL_SACK_FREQ_MAX		0xFFFFFFFF
229 #define SCTPCTL_SACK_FREQ_DEFAULT	SCTP_DEFAULT_SACK_FREQ
230 
231 /* sys_resource: Max number of cached resources in the system */
232 #define SCTPCTL_SYS_RESOURCE_DESC	"Max number of cached resources in the system"
233 #define SCTPCTL_SYS_RESOURCE_MIN	0
234 #define SCTPCTL_SYS_RESOURCE_MAX	0xFFFFFFFF
235 #define SCTPCTL_SYS_RESOURCE_DEFAULT	SCTP_DEF_SYSTEM_RESC_LIMIT
236 
237 /* asoc_resource: Max number of cached resources in an asoc */
238 #define SCTPCTL_ASOC_RESOURCE_DESC	"Max number of cached resources in an asoc"
239 #define SCTPCTL_ASOC_RESOURCE_MIN	0
240 #define SCTPCTL_ASOC_RESOURCE_MAX	0xFFFFFFFF
241 #define SCTPCTL_ASOC_RESOURCE_DEFAULT	SCTP_DEF_ASOC_RESC_LIMIT
242 
243 /* heartbeat_interval: Default heartbeat interval in msec */
244 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC	"Default heartbeat interval in msec"
245 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN	0
246 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX	0xFFFFFFFF
247 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT	SCTP_HB_DEFAULT_MSEC
248 
249 /* pmtu_raise_time: Default PMTU raise timer in sec */
250 #define SCTPCTL_PMTU_RAISE_TIME_DESC	"Default PMTU raise timer in sec"
251 #define SCTPCTL_PMTU_RAISE_TIME_MIN	0
252 #define SCTPCTL_PMTU_RAISE_TIME_MAX	0xFFFFFFFF
253 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT	SCTP_DEF_PMTU_RAISE_SEC
254 
255 /* shutdown_guard_time: Default shutdown guard timer in sec */
256 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC	"Default shutdown guard timer in sec"
257 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN		0
258 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX		0xFFFFFFFF
259 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT	SCTP_DEF_MAX_SHUTDOWN_SEC
260 
261 /* secret_lifetime: Default secret lifetime in sec */
262 #define SCTPCTL_SECRET_LIFETIME_DESC	"Default secret lifetime in sec"
263 #define SCTPCTL_SECRET_LIFETIME_MIN	0
264 #define SCTPCTL_SECRET_LIFETIME_MAX	0xFFFFFFFF
265 #define SCTPCTL_SECRET_LIFETIME_DEFAULT	SCTP_DEFAULT_SECRET_LIFE_SEC
266 
267 /* rto_max: Default maximum retransmission timeout in msec */
268 #define SCTPCTL_RTO_MAX_DESC		"Default maximum retransmission timeout in msec"
269 #define SCTPCTL_RTO_MAX_MIN		0
270 #define SCTPCTL_RTO_MAX_MAX		0xFFFFFFFF
271 #define SCTPCTL_RTO_MAX_DEFAULT		SCTP_RTO_UPPER_BOUND
272 
273 /* rto_min: Default minimum retransmission timeout in msec */
274 #define SCTPCTL_RTO_MIN_DESC		"Default minimum retransmission timeout in msec"
275 #define SCTPCTL_RTO_MIN_MIN		0
276 #define SCTPCTL_RTO_MIN_MAX		0xFFFFFFFF
277 #define SCTPCTL_RTO_MIN_DEFAULT		SCTP_RTO_LOWER_BOUND
278 
279 /* rto_initial: Default initial retransmission timeout in msec */
280 #define SCTPCTL_RTO_INITIAL_DESC	"Default initial retransmission timeout in msec"
281 #define SCTPCTL_RTO_INITIAL_MIN		0
282 #define SCTPCTL_RTO_INITIAL_MAX		0xFFFFFFFF
283 #define SCTPCTL_RTO_INITIAL_DEFAULT	SCTP_RTO_INITIAL
284 
285 /* init_rto_max: Default maximum retransmission timeout during association setup in msec */
286 #define SCTPCTL_INIT_RTO_MAX_DESC	"Default maximum retransmission timeout during association setup in msec"
287 #define SCTPCTL_INIT_RTO_MAX_MIN	0
288 #define SCTPCTL_INIT_RTO_MAX_MAX	0xFFFFFFFF
289 #define SCTPCTL_INIT_RTO_MAX_DEFAULT	SCTP_RTO_UPPER_BOUND
290 
291 /* valid_cookie_life: Default cookie lifetime in sec */
292 #define SCTPCTL_VALID_COOKIE_LIFE_DESC	"Default cookie lifetime in sec"
293 #define SCTPCTL_VALID_COOKIE_LIFE_MIN	0
294 #define SCTPCTL_VALID_COOKIE_LIFE_MAX	0xFFFFFFFF
295 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT	SCTP_DEFAULT_COOKIE_LIFE
296 
297 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */
298 #define SCTPCTL_INIT_RTX_MAX_DESC	"Default maximum number of retransmission for INIT chunks"
299 #define SCTPCTL_INIT_RTX_MAX_MIN	0
300 #define SCTPCTL_INIT_RTX_MAX_MAX	0xFFFFFFFF
301 #define SCTPCTL_INIT_RTX_MAX_DEFAULT	SCTP_DEF_MAX_INIT
302 
303 /* assoc_rtx_max: Default maximum number of retransmissions per association */
304 #define SCTPCTL_ASSOC_RTX_MAX_DESC	"Default maximum number of retransmissions per association"
305 #define SCTPCTL_ASSOC_RTX_MAX_MIN	0
306 #define SCTPCTL_ASSOC_RTX_MAX_MAX	0xFFFFFFFF
307 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT	SCTP_DEF_MAX_SEND
308 
309 /* path_rtx_max: Default maximum of retransmissions per path */
310 #define SCTPCTL_PATH_RTX_MAX_DESC	"Default maximum of retransmissions per path"
311 #define SCTPCTL_PATH_RTX_MAX_MIN	0
312 #define SCTPCTL_PATH_RTX_MAX_MAX	0xFFFFFFFF
313 #define SCTPCTL_PATH_RTX_MAX_DEFAULT	SCTP_DEF_MAX_PATH_RTX
314 
315 /* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */
316 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC	"When space wise is it worthwhile to try to add more to a socket send buffer"
317 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN	0
318 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX	0xFFFFFFFF
319 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
320 
321 /* outgoing_streams: Default number of outgoing streams */
322 #define SCTPCTL_OUTGOING_STREAMS_DESC	"Default number of outgoing streams"
323 #define SCTPCTL_OUTGOING_STREAMS_MIN	1
324 #define SCTPCTL_OUTGOING_STREAMS_MAX	65535
325 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
326 
327 /* cmt_on_off: CMT on/off flag */
328 #define SCTPCTL_CMT_ON_OFF_DESC		"CMT on/off flag"
329 #define SCTPCTL_CMT_ON_OFF_MIN		0
330 #define SCTPCTL_CMT_ON_OFF_MAX		1
331 #define SCTPCTL_CMT_ON_OFF_DEFAULT	0
332 
333 /* EY - nr_sack_on_off: NR_SACK on/off flag */
334 #define SCTPCTL_NR_SACK_ON_OFF_DESC	"NR_SACK on/off flag"
335 #define SCTPCTL_NR_SACK_ON_OFF_MIN	0
336 #define SCTPCTL_NR_SACK_ON_OFF_MAX	1
337 #define SCTPCTL_NR_SACK_ON_OFF_DEFAULT	0
338 
339 /* cmt_use_dac: CMT DAC on/off flag */
340 #define SCTPCTL_CMT_USE_DAC_DESC	"CMT DAC on/off flag"
341 #define SCTPCTL_CMT_USE_DAC_MIN		0
342 #define SCTPCTL_CMT_USE_DAC_MAX		1
343 #define SCTPCTL_CMT_USE_DAC_DEFAULT    	0
344 
345 /* JRS 5/2107 - CMT PF type flag */
346 #define SCTPCTL_CMT_PF_DESC		"CMT PF type flag"
347 #define SCTPCTL_CMT_PF_MIN		0
348 #define SCTPCTL_CMT_PF_MAX		2
349 #define SCTPCTL_CMT_PF_DEFAULT		0
350 
351 /* cwnd_maxburst: Use a CWND adjusting maxburst */
352 #define SCTPCTL_CWND_MAXBURST_DESC	"Use a CWND adjusting maxburst"
353 #define SCTPCTL_CWND_MAXBURST_MIN	0
354 #define SCTPCTL_CWND_MAXBURST_MAX	1
355 #define SCTPCTL_CWND_MAXBURST_DEFAULT	1
356 
357 /* early_fast_retran: Early Fast Retransmit with timer */
358 #define SCTPCTL_EARLY_FAST_RETRAN_DESC	"Early Fast Retransmit with timer"
359 #define SCTPCTL_EARLY_FAST_RETRAN_MIN	0
360 #define SCTPCTL_EARLY_FAST_RETRAN_MAX	0xFFFFFFFF
361 #define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT	0
362 
363 /* early_fast_retran_msec: Early Fast Retransmit minimum timer value */
364 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC	"Early Fast Retransmit minimum timer value"
365 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN	0
366 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX	0xFFFFFFFF
367 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT	SCTP_MINFR_MSEC_TIMER
368 
369 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */
370 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC	"Disable SCTP ASCONF AUTH requirement"
371 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN	0
372 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX	1
373 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT	0
374 
375 /* auth_disable: Disable SCTP AUTH function */
376 #define SCTPCTL_AUTH_DISABLE_DESC	"Disable SCTP AUTH function"
377 #define SCTPCTL_AUTH_DISABLE_MIN	0
378 #define SCTPCTL_AUTH_DISABLE_MAX	1
379 #define SCTPCTL_AUTH_DISABLE_DEFAULT	0
380 
381 /* nat_friendly: SCTP NAT friendly operation */
382 #define SCTPCTL_NAT_FRIENDLY_DESC	"SCTP NAT friendly operation"
383 #define SCTPCTL_NAT_FRIENDLY_MIN	0
384 #define SCTPCTL_NAT_FRIENDLY_MAX	1
385 #define SCTPCTL_NAT_FRIENDLY_DEFAULT	1
386 
387 /* abc_l_var: SCTP ABC max increase per SACK (L) */
388 #define SCTPCTL_ABC_L_VAR_DESC		"SCTP ABC max increase per SACK (L)"
389 #define SCTPCTL_ABC_L_VAR_MIN		0
390 #define SCTPCTL_ABC_L_VAR_MAX		0xFFFFFFFF
391 #define SCTPCTL_ABC_L_VAR_DEFAULT	1
392 
393 /* max_chained_mbufs: Default max number of small mbufs on a chain */
394 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC	"Default max number of small mbufs on a chain"
395 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN	0
396 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX	0xFFFFFFFF
397 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT	SCTP_DEFAULT_MBUFS_IN_CHAIN
398 
399 /* do_sctp_drain: Should SCTP respond to the drain calls */
400 #define SCTPCTL_DO_SCTP_DRAIN_DESC	"Should SCTP respond to the drain calls"
401 #define SCTPCTL_DO_SCTP_DRAIN_MIN	0
402 #define SCTPCTL_DO_SCTP_DRAIN_MAX	1
403 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT	1
404 
405 /* hb_max_burst: Confirmation Heartbeat max burst? */
406 #define SCTPCTL_HB_MAX_BURST_DESC	"Confirmation Heartbeat max burst"
407 #define SCTPCTL_HB_MAX_BURST_MIN	1
408 #define SCTPCTL_HB_MAX_BURST_MAX	0xFFFFFFFF
409 #define SCTPCTL_HB_MAX_BURST_DEFAULT	SCTP_DEF_MAX_BURST
410 
411 /* abort_at_limit: When one-2-one hits qlimit abort */
412 #define SCTPCTL_ABORT_AT_LIMIT_DESC	"When one-2-one hits qlimit abort"
413 #define SCTPCTL_ABORT_AT_LIMIT_MIN	0
414 #define SCTPCTL_ABORT_AT_LIMIT_MAX	1
415 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT	0
416 
417 /* strict_data_order: Enforce strict data ordering, abort if control inside data */
418 #define SCTPCTL_STRICT_DATA_ORDER_DESC	"Enforce strict data ordering, abort if control inside data"
419 #define SCTPCTL_STRICT_DATA_ORDER_MIN	0
420 #define SCTPCTL_STRICT_DATA_ORDER_MAX	1
421 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT	0
422 
423 /* min_residual: min residual in a data fragment leftover */
424 #define SCTPCTL_MIN_RESIDUAL_DESC	"Minimum residual data chunk in second part of split"
425 #define SCTPCTL_MIN_RESIDUAL_MIN	20
426 #define SCTPCTL_MIN_RESIDUAL_MAX	65535
427 #define SCTPCTL_MIN_RESIDUAL_DEFAULT	1452
428 
429 /* max_retran_chunk: max chunk retransmissions */
430 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC	"Maximum times an unlucky chunk can be retran'd before assoc abort"
431 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN	0
432 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX	65535
433 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT	30
434 
435 /* sctp_logging: This gives us logging when the options are enabled */
436 #define SCTPCTL_LOGGING_LEVEL_DESC	"Ltrace/KTR trace logging level"
437 #define SCTPCTL_LOGGING_LEVEL_MIN	0
438 #define SCTPCTL_LOGGING_LEVEL_MAX	0xffffffff
439 #define SCTPCTL_LOGGING_LEVEL_DEFAULT	0
440 
441 /* JRS - default congestion control module sysctl */
442 #define SCTPCTL_DEFAULT_CC_MODULE_DESC		"Default congestion control module"
443 #define SCTPCTL_DEFAULT_CC_MODULE_MIN		0
444 #define SCTPCTL_DEFAULT_CC_MODULE_MAX		2
445 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT	0
446 
447 /* RRS - default fragment interleave */
448 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC	"Default fragment interleave level"
449 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN	0
450 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX	2
451 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT	1
452 
453 /* mobility_base: Enable SCTP mobility support */
454 #define SCTPCTL_MOBILITY_BASE_DESC	"Enable SCTP base mobility"
455 #define SCTPCTL_MOBILITY_BASE_MIN	0
456 #define SCTPCTL_MOBILITY_BASE_MAX	1
457 #define SCTPCTL_MOBILITY_BASE_DEFAULT	SCTP_DEFAULT_MOBILITY_BASE
458 
459 /* mobility_fasthandoff: Enable SCTP fast handoff support */
460 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC	"Enable SCTP fast handoff"
461 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN	0
462 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX	1
463 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT	SCTP_DEFAULT_MOBILITY_FASTHANDOFF
464 
465 /* Enable SCTP/UDP tunneling for clients*/
466 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC	"Enable SCTP/UDP tunneling for client"
467 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN	0
468 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX	1
469 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT	SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN
470 
471 /* Enable SCTP/UDP tunneling port */
472 #define SCTPCTL_UDP_TUNNELING_PORT_DESC		"Set the SCTP/UDP tunneling port"
473 #define SCTPCTL_UDP_TUNNELING_PORT_MIN		0
474 #define SCTPCTL_UDP_TUNNELING_PORT_MAX		65535
475 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT	SCTP_OVER_UDP_TUNNELING_PORT
476 
477 /* Enable sending of the SACK-IMMEDIATELY bit */
478 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC	"Enable sending of the SACK-IMMEDIATELY-bit."
479 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN	0
480 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX	1
481 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT	SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN
482 
483 /* Enable sending of the NAT-FRIENDLY message */
484 #define SCTPCTL_NAT_FRIENDLY_INITS_DESC	"Enable sending of the nat-friendly SCTP option on INITs."
485 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN	0
486 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX	1
487 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT	SCTPCTL_NAT_FRIENDLY_INITS_MIN
488 
489 /* Vtag time wait in seconds */
490 #define SCTPCTL_TIME_WAIT_DESC	"Vtag time wait time in seconds, 0 disables it."
491 #define SCTPCTL_TIME_WAIT_MIN	0
492 #define SCTPCTL_TIME_WAIT_MAX	0xffffffff
493 #define SCTPCTL_TIME_WAIT_DEFAULT	SCTP_TIME_WAIT
494 
495 /* Enable Send/Receive buffer splitting */
496 #define SCTPCTL_BUFFER_SPLITTING_DESC		"Enable send/receive buffer splitting."
497 #define SCTPCTL_BUFFER_SPLITTING_MIN		0
498 #define SCTPCTL_BUFFER_SPLITTING_MAX		0x3
499 #define SCTPCTL_BUFFER_SPLITTING_DEFAULT	SCTPCTL_BUFFER_SPLITTING_MIN
500 
501 /* Initial congestion window in MTU */
502 #define SCTPCTL_INITIAL_CWND_DESC	"Initial congestion window in MTUs"
503 #define SCTPCTL_INITIAL_CWND_MIN	1
504 #define SCTPCTL_INITIAL_CWND_MAX	0xffffffff
505 #define SCTPCTL_INITIAL_CWND_DEFAULT	3
506 
507 #if defined(SCTP_DEBUG)
508 /* debug: Configure debug output */
509 #define SCTPCTL_DEBUG_DESC	"Configure debug output"
510 #define SCTPCTL_DEBUG_MIN	0
511 #define SCTPCTL_DEBUG_MAX	0xFFFFFFFF
512 #define SCTPCTL_DEBUG_DEFAULT	0
513 #endif
514 
515 
516 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
517 #define SCTPCTL_OUTPUT_UNLOCKED_DESC	"Unlock socket when sending packets down to IP."
518 #define SCTPCTL_OUTPUT_UNLOCKED_MIN	0
519 #define SCTPCTL_OUTPUT_UNLOCKED_MAX	1
520 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT	SCTPCTL_OUTPUT_UNLOCKED_MIN
521 #endif
522 
523 
524 #if defined(_KERNEL) || defined(__Userspace__)
525 #if defined(SYSCTL_DECL)
526 SYSCTL_DECL(_net_inet_sctp);
527 #endif
528 
529 void sctp_init_sysctls(void);
530 
531 #endif				/* _KERNEL */
532 #endif				/* __sctp_sysctl_h__ */
533