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