sctp_sysctl.h revision 212851
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: head/sys/netinet/sctp_sysctl.h 212851 2010-09-19 11:57:21Z tuexen $");
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
40struct 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)
526SYSCTL_DECL(_net_inet_sctp);
527#endif
528
529void sctp_init_sysctls(void);
530
531#endif				/* _KERNEL */
532#endif				/* __sctp_sysctl_h__ */
533