2 * Copyright (c) 2007, by 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.
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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
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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 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;
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;
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 /* RS - Variable for default stream scheduling module */
100 uint32_t sctp_default_ss_module;
101 uint32_t sctp_default_frag_interleave;
102 uint32_t sctp_mobility_base;
103 uint32_t sctp_mobility_fasthandoff;
104 uint32_t sctp_inits_include_nat_friendly;
105 #if defined(SCTP_LOCAL_TRACE_BUF)
106 struct sctp_log sctp_log;
108 uint32_t sctp_udp_tunneling_for_client_enable;
109 uint32_t sctp_udp_tunneling_port;
110 uint32_t sctp_enable_sack_immediately;
111 uint32_t sctp_vtag_time_wait;
112 uint32_t sctp_buffer_splitting;
113 uint32_t sctp_initial_cwnd;
114 #if defined(SCTP_DEBUG)
115 uint32_t sctp_debug_on;
117 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
118 uint32_t sctp_output_unlocked;
123 * limits for the sysctl variables
125 /* maxdgram: Maximum outgoing SCTP buffer size */
126 #define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size"
127 #define SCTPCTL_MAXDGRAM_MIN 0
128 #define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF
129 #define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */
131 /* recvspace: Maximum incoming SCTP buffer size */
132 #define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size"
133 #define SCTPCTL_RECVSPACE_MIN 0
134 #define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF
135 #define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */
137 /* autoasconf: Enable SCTP Auto-ASCONF */
138 #define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF"
139 #define SCTPCTL_AUTOASCONF_MIN 0
140 #define SCTPCTL_AUTOASCONF_MAX 1
141 #define SCTPCTL_AUTOASCONF_DEFAULT SCTP_DEFAULT_AUTO_ASCONF
143 /* autoasconf: Enable SCTP Auto-ASCONF */
144 #define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Muliple-ASCONFs"
145 #define SCTPCTL_MULTIPLEASCONFS_MIN 0
146 #define SCTPCTL_MULTIPLEASCONFS_MAX 1
147 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS
149 /* ecn_enable: Enable SCTP ECN */
150 #define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN"
151 #define SCTPCTL_ECN_ENABLE_MIN 0
152 #define SCTPCTL_ECN_ENABLE_MAX 1
153 #define SCTPCTL_ECN_ENABLE_DEFAULT 1
155 /* ecn_nonce: Enable SCTP ECN Nonce */
156 #define SCTPCTL_ECN_NONCE_DESC "Enable SCTP ECN Nonce"
157 #define SCTPCTL_ECN_NONCE_MIN 0
158 #define SCTPCTL_ECN_NONCE_MAX 1
159 #define SCTPCTL_ECN_NONCE_DEFAULT 0
161 /* strict_sacks: Enable SCTP Strict SACK checking */
162 #define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking"
163 #define SCTPCTL_STRICT_SACKS_MIN 0
164 #define SCTPCTL_STRICT_SACKS_MAX 1
165 #define SCTPCTL_STRICT_SACKS_DEFAULT 1
167 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */
168 #define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback"
169 #define SCTPCTL_LOOPBACK_NOCSUM_MIN 0
170 #define SCTPCTL_LOOPBACK_NOCSUM_MAX 1
171 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1
173 /* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */
174 #define SCTPCTL_STRICT_INIT_DESC "Enable strict INIT/INIT-ACK singleton enforcement"
175 #define SCTPCTL_STRICT_INIT_MIN 0
176 #define SCTPCTL_STRICT_INIT_MAX 1
177 #define SCTPCTL_STRICT_INIT_DEFAULT 1
179 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */
180 #define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent"
181 #define SCTPCTL_PEER_CHKOH_MIN 0
182 #define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF
183 #define SCTPCTL_PEER_CHKOH_DEFAULT 256
185 /* maxburst: Default max burst for sctp endpoints */
186 #define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints"
187 #define SCTPCTL_MAXBURST_MIN 1
188 #define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF
189 #define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST
191 /* maxchunks: Default max chunks on queue per asoc */
192 #define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc"
193 #define SCTPCTL_MAXCHUNKS_MIN 0
194 #define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF
195 #define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
197 /* tcbhashsize: Tuneable for Hash table sizes */
198 #define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes"
199 #define SCTPCTL_TCBHASHSIZE_MIN 1
200 #define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF
201 #define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE
203 /* pcbhashsize: Tuneable for PCB Hash table sizes */
204 #define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes"
205 #define SCTPCTL_PCBHASHSIZE_MIN 1
206 #define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF
207 #define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE
209 /* min_split_point: Minimum size when splitting a chunk */
210 #define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk"
211 #define SCTPCTL_MIN_SPLIT_POINT_MIN 0
212 #define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF
213 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN
215 /* chunkscale: Tuneable for Scaling of number of chunks and messages */
216 #define SCTPCTL_CHUNKSCALE_DESC "Tuneable for Scaling of number of chunks and messages"
217 #define SCTPCTL_CHUNKSCALE_MIN 1
218 #define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF
219 #define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE
221 /* delayed_sack_time: Default delayed SACK timer in msec */
222 #define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in msec"
223 #define SCTPCTL_DELAYED_SACK_TIME_MIN 0
224 #define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF
225 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC
227 /* sack_freq: Default SACK frequency */
228 #define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency"
229 #define SCTPCTL_SACK_FREQ_MIN 0
230 #define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF
231 #define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ
233 /* sys_resource: Max number of cached resources in the system */
234 #define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system"
235 #define SCTPCTL_SYS_RESOURCE_MIN 0
236 #define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF
237 #define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT
239 /* asoc_resource: Max number of cached resources in an asoc */
240 #define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc"
241 #define SCTPCTL_ASOC_RESOURCE_MIN 0
242 #define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF
243 #define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT
245 /* heartbeat_interval: Default heartbeat interval in msec */
246 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in msec"
247 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0
248 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF
249 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC
251 /* pmtu_raise_time: Default PMTU raise timer in sec */
252 #define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in sec"
253 #define SCTPCTL_PMTU_RAISE_TIME_MIN 0
254 #define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF
255 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC
257 /* shutdown_guard_time: Default shutdown guard timer in sec */
258 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Default shutdown guard timer in sec"
259 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0
260 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF
261 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT SCTP_DEF_MAX_SHUTDOWN_SEC
263 /* secret_lifetime: Default secret lifetime in sec */
264 #define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in sec"
265 #define SCTPCTL_SECRET_LIFETIME_MIN 0
266 #define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF
267 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC
269 /* rto_max: Default maximum retransmission timeout in msec */
270 #define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in msec"
271 #define SCTPCTL_RTO_MAX_MIN 0
272 #define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF
273 #define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND
275 /* rto_min: Default minimum retransmission timeout in msec */
276 #define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in msec"
277 #define SCTPCTL_RTO_MIN_MIN 0
278 #define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF
279 #define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND
281 /* rto_initial: Default initial retransmission timeout in msec */
282 #define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in msec"
283 #define SCTPCTL_RTO_INITIAL_MIN 0
284 #define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF
285 #define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL
287 /* init_rto_max: Default maximum retransmission timeout during association setup in msec */
288 #define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in msec"
289 #define SCTPCTL_INIT_RTO_MAX_MIN 0
290 #define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF
291 #define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND
293 /* valid_cookie_life: Default cookie lifetime in sec */
294 #define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in sec"
295 #define SCTPCTL_VALID_COOKIE_LIFE_MIN 0
296 #define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF
297 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE
299 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */
300 #define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks"
301 #define SCTPCTL_INIT_RTX_MAX_MIN 0
302 #define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF
303 #define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT
305 /* assoc_rtx_max: Default maximum number of retransmissions per association */
306 #define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association"
307 #define SCTPCTL_ASSOC_RTX_MAX_MIN 0
308 #define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF
309 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND
311 /* path_rtx_max: Default maximum of retransmissions per path */
312 #define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path"
313 #define SCTPCTL_PATH_RTX_MAX_MIN 0
314 #define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF
315 #define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX
317 /* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */
318 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space wise is it worthwhile to try to add more to a socket send buffer"
319 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0
320 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF
321 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
323 /* outgoing_streams: Default number of outgoing streams */
324 #define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams"
325 #define SCTPCTL_OUTGOING_STREAMS_MIN 1
326 #define SCTPCTL_OUTGOING_STREAMS_MAX 65535
327 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
329 /* cmt_on_off: CMT on/off flag */
330 #define SCTPCTL_CMT_ON_OFF_DESC "CMT settings"
331 #define SCTPCTL_CMT_ON_OFF_MIN 0
332 #define SCTPCTL_CMT_ON_OFF_MAX 2
333 #define SCTPCTL_CMT_ON_OFF_DEFAULT 0
335 /* EY - nr_sack_on_off: NR_SACK on/off flag */
336 #define SCTPCTL_NR_SACK_ON_OFF_DESC "NR_SACK on/off flag"
337 #define SCTPCTL_NR_SACK_ON_OFF_MIN 0
338 #define SCTPCTL_NR_SACK_ON_OFF_MAX 1
339 #define SCTPCTL_NR_SACK_ON_OFF_DEFAULT 0
341 /* cmt_use_dac: CMT DAC on/off flag */
342 #define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag"
343 #define SCTPCTL_CMT_USE_DAC_MIN 0
344 #define SCTPCTL_CMT_USE_DAC_MAX 1
345 #define SCTPCTL_CMT_USE_DAC_DEFAULT 0
347 /* JRS 5/2107 - CMT PF type flag */
348 #define SCTPCTL_CMT_PF_DESC "CMT PF type flag"
349 #define SCTPCTL_CMT_PF_MIN 0
350 #define SCTPCTL_CMT_PF_MAX 2
351 #define SCTPCTL_CMT_PF_DEFAULT 0
353 /* cwnd_maxburst: Use a CWND adjusting maxburst */
354 #define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst"
355 #define SCTPCTL_CWND_MAXBURST_MIN 0
356 #define SCTPCTL_CWND_MAXBURST_MAX 1
357 #define SCTPCTL_CWND_MAXBURST_DEFAULT 1
359 /* early_fast_retran: Early Fast Retransmit with timer */
360 #define SCTPCTL_EARLY_FAST_RETRAN_DESC "Early Fast Retransmit with timer"
361 #define SCTPCTL_EARLY_FAST_RETRAN_MIN 0
362 #define SCTPCTL_EARLY_FAST_RETRAN_MAX 0xFFFFFFFF
363 #define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT 0
365 /* early_fast_retran_msec: Early Fast Retransmit minimum timer value */
366 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC "Early Fast Retransmit minimum timer value"
367 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN 0
368 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX 0xFFFFFFFF
369 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT SCTP_MINFR_MSEC_TIMER
371 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */
372 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC "Disable SCTP ASCONF AUTH requirement"
373 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN 0
374 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX 1
375 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT 0
377 /* auth_disable: Disable SCTP AUTH function */
378 #define SCTPCTL_AUTH_DISABLE_DESC "Disable SCTP AUTH function"
379 #define SCTPCTL_AUTH_DISABLE_MIN 0
380 #define SCTPCTL_AUTH_DISABLE_MAX 1
381 #define SCTPCTL_AUTH_DISABLE_DEFAULT 0
383 /* nat_friendly: SCTP NAT friendly operation */
384 #define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation"
385 #define SCTPCTL_NAT_FRIENDLY_MIN 0
386 #define SCTPCTL_NAT_FRIENDLY_MAX 1
387 #define SCTPCTL_NAT_FRIENDLY_DEFAULT 1
389 /* abc_l_var: SCTP ABC max increase per SACK (L) */
390 #define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)"
391 #define SCTPCTL_ABC_L_VAR_MIN 0
392 #define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF
393 #define SCTPCTL_ABC_L_VAR_DEFAULT 1
395 /* max_chained_mbufs: Default max number of small mbufs on a chain */
396 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain"
397 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0
398 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF
399 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN
401 /* do_sctp_drain: Should SCTP respond to the drain calls */
402 #define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls"
403 #define SCTPCTL_DO_SCTP_DRAIN_MIN 0
404 #define SCTPCTL_DO_SCTP_DRAIN_MAX 1
405 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1
407 /* hb_max_burst: Confirmation Heartbeat max burst? */
408 #define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst"
409 #define SCTPCTL_HB_MAX_BURST_MIN 1
410 #define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF
411 #define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_MAX_BURST
413 /* abort_at_limit: When one-2-one hits qlimit abort */
414 #define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort"
415 #define SCTPCTL_ABORT_AT_LIMIT_MIN 0
416 #define SCTPCTL_ABORT_AT_LIMIT_MAX 1
417 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0
419 /* strict_data_order: Enforce strict data ordering, abort if control inside data */
420 #define SCTPCTL_STRICT_DATA_ORDER_DESC "Enforce strict data ordering, abort if control inside data"
421 #define SCTPCTL_STRICT_DATA_ORDER_MIN 0
422 #define SCTPCTL_STRICT_DATA_ORDER_MAX 1
423 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT 0
425 /* min_residual: min residual in a data fragment leftover */
426 #define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split"
427 #define SCTPCTL_MIN_RESIDUAL_MIN 20
428 #define SCTPCTL_MIN_RESIDUAL_MAX 65535
429 #define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452
431 /* max_retran_chunk: max chunk retransmissions */
432 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retran'd before assoc abort"
433 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0
434 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535
435 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30
437 /* sctp_logging: This gives us logging when the options are enabled */
438 #define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level"
439 #define SCTPCTL_LOGGING_LEVEL_MIN 0
440 #define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff
441 #define SCTPCTL_LOGGING_LEVEL_DEFAULT 0
443 /* JRS - default congestion control module sysctl */
444 #define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module"
445 #define SCTPCTL_DEFAULT_CC_MODULE_MIN 0
446 #define SCTPCTL_DEFAULT_CC_MODULE_MAX 2
447 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0
449 /* RS - default stream scheduling module sysctl */
450 #define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module"
451 #define SCTPCTL_DEFAULT_SS_MODULE_MIN 0
452 #define SCTPCTL_DEFAULT_SS_MODULE_MAX 5
453 #define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0
455 /* RRS - default fragment interleave */
456 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level"
457 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0
458 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2
459 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1
461 /* mobility_base: Enable SCTP mobility support */
462 #define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility"
463 #define SCTPCTL_MOBILITY_BASE_MIN 0
464 #define SCTPCTL_MOBILITY_BASE_MAX 1
465 #define SCTPCTL_MOBILITY_BASE_DEFAULT SCTP_DEFAULT_MOBILITY_BASE
467 /* mobility_fasthandoff: Enable SCTP fast handoff support */
468 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff"
469 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0
470 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1
471 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT SCTP_DEFAULT_MOBILITY_FASTHANDOFF
473 /* Enable SCTP/UDP tunneling for clients*/
474 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC "Enable SCTP/UDP tunneling for client"
475 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN 0
476 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX 1
477 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN
479 /* Enable SCTP/UDP tunneling port */
480 #define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port"
481 #define SCTPCTL_UDP_TUNNELING_PORT_MIN 0
482 #define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535
483 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT SCTP_OVER_UDP_TUNNELING_PORT
485 /* Enable sending of the SACK-IMMEDIATELY bit */
486 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit."
487 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0
488 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1
489 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN
491 /* Enable sending of the NAT-FRIENDLY message */
492 #define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs."
493 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0
494 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1
495 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN
497 /* Vtag time wait in seconds */
498 #define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it."
499 #define SCTPCTL_TIME_WAIT_MIN 0
500 #define SCTPCTL_TIME_WAIT_MAX 0xffffffff
501 #define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT
503 /* Enable Send/Receive buffer splitting */
504 #define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting."
505 #define SCTPCTL_BUFFER_SPLITTING_MIN 0
506 #define SCTPCTL_BUFFER_SPLITTING_MAX 0x3
507 #define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN
509 /* Initial congestion window in MTU */
510 #define SCTPCTL_INITIAL_CWND_DESC "Initial congestion window in MTUs"
511 #define SCTPCTL_INITIAL_CWND_MIN 0
512 #define SCTPCTL_INITIAL_CWND_MAX 0xffffffff
513 #define SCTPCTL_INITIAL_CWND_DEFAULT 3
515 #if defined(SCTP_DEBUG)
516 /* debug: Configure debug output */
517 #define SCTPCTL_DEBUG_DESC "Configure debug output"
518 #define SCTPCTL_DEBUG_MIN 0
519 #define SCTPCTL_DEBUG_MAX 0xFFFFFFFF
520 #define SCTPCTL_DEBUG_DEFAULT 0
524 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
525 #define SCTPCTL_OUTPUT_UNLOCKED_DESC "Unlock socket when sending packets down to IP."
526 #define SCTPCTL_OUTPUT_UNLOCKED_MIN 0
527 #define SCTPCTL_OUTPUT_UNLOCKED_MAX 1
528 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN
532 #if defined(_KERNEL) || defined(__Userspace__)
533 #if defined(SYSCTL_DECL)
534 SYSCTL_DECL(_net_inet_sctp);
537 void sctp_init_sysctls(void);
540 #endif /* __sctp_sysctl_h__ */