sctp_sysctl.h revision 219057
1/*-
2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * a) Redistributions of source code must retain the above copyright notice,
10 *   this list of conditions and the following disclaimer.
11 *
12 * b) Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in
14 *   the documentation and/or other materials provided with the distribution.
15 *
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 *    contributors may be used to endorse or promote products derived
18 *    from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/sys/netinet/sctp_sysctl.h 219057 2011-02-26 15:23:46Z rrs $");
35
36#ifndef __sctp_sysctl_h__
37#define __sctp_sysctl_h__
38
39#include <netinet/sctp_os.h>
40#include <netinet/sctp_constants.h>
41
42struct sctp_sysctl {
43	uint32_t sctp_sendspace;
44	uint32_t sctp_recvspace;
45	uint32_t sctp_auto_asconf;
46	uint32_t sctp_multiple_asconfs;
47	uint32_t sctp_ecn_enable;
48	uint32_t sctp_fr_max_burst_default;
49	uint32_t sctp_strict_sacks;
50#if !defined(SCTP_WITH_NO_CSUM)
51	uint32_t sctp_no_csum_on_loopback;
52#endif
53	uint32_t sctp_strict_init;
54	uint32_t sctp_peer_chunk_oh;
55	uint32_t sctp_max_burst_default;
56	uint32_t sctp_max_chunks_on_queue;
57	uint32_t sctp_hashtblsize;
58	uint32_t sctp_pcbtblsize;
59	uint32_t sctp_min_split_point;
60	uint32_t sctp_chunkscale;
61	uint32_t sctp_delayed_sack_time_default;
62	uint32_t sctp_sack_freq_default;
63	uint32_t sctp_system_free_resc_limit;
64	uint32_t sctp_asoc_free_resc_limit;
65	uint32_t sctp_heartbeat_interval_default;
66	uint32_t sctp_pmtu_raise_time_default;
67	uint32_t sctp_shutdown_guard_time_default;
68	uint32_t sctp_secret_lifetime_default;
69	uint32_t sctp_rto_max_default;
70	uint32_t sctp_rto_min_default;
71	uint32_t sctp_rto_initial_default;
72	uint32_t sctp_init_rto_max_default;
73	uint32_t sctp_valid_cookie_life_default;
74	uint32_t sctp_init_rtx_max_default;
75	uint32_t sctp_assoc_rtx_max_default;
76	uint32_t sctp_path_rtx_max_default;
77	uint32_t sctp_add_more_threshold;
78	uint32_t sctp_nr_outgoing_streams_default;
79	uint32_t sctp_cmt_on_off;
80	uint32_t sctp_cmt_use_dac;
81	/* EY 5/5/08 - nr_sack flag variable */
82	uint32_t sctp_nr_sack_on_off;
83	uint32_t sctp_cmt_pf;
84	uint32_t sctp_use_cwnd_based_maxburst;
85	uint32_t sctp_early_fr;
86	uint32_t sctp_early_fr_msec;
87	uint32_t sctp_asconf_auth_nochk;
88	uint32_t sctp_auth_disable;
89	uint32_t sctp_nat_friendly;
90	uint32_t sctp_L2_abc_variable;
91	uint32_t sctp_mbuf_threshold_count;
92	uint32_t sctp_do_drain;
93	uint32_t sctp_hb_maxburst;
94	uint32_t sctp_abort_if_one_2_one_hits_limit;
95	uint32_t sctp_strict_data_order;
96	uint32_t sctp_min_residual;
97	uint32_t sctp_max_retran_chunk;
98	uint32_t sctp_logging_level;
99	/* JRS - Variable for default congestion control module */
100	uint32_t sctp_default_cc_module;
101	/* RS - Variable for default stream scheduling module */
102	uint32_t sctp_default_ss_module;
103	uint32_t sctp_default_frag_interleave;
104	uint32_t sctp_mobility_base;
105	uint32_t sctp_mobility_fasthandoff;
106	uint32_t sctp_inits_include_nat_friendly;
107#ifdef SCTP_HAS_RTTCC
108	uint32_t sctp_rttvar_bw;
109	uint32_t sctp_rttvar_rtt;
110	uint32_t sctp_rttvar_eqret;
111#endif
112#if defined(SCTP_LOCAL_TRACE_BUF)
113	struct sctp_log sctp_log;
114#endif
115	uint32_t sctp_udp_tunneling_for_client_enable;
116	uint32_t sctp_udp_tunneling_port;
117	uint32_t sctp_enable_sack_immediately;
118	uint32_t sctp_vtag_time_wait;
119	uint32_t sctp_buffer_splitting;
120	uint32_t sctp_initial_cwnd;
121#if defined(SCTP_DEBUG)
122	uint32_t sctp_debug_on;
123#endif
124#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
125	uint32_t sctp_output_unlocked;
126#endif
127};
128
129/*
130 * limits for the sysctl variables
131 */
132/* maxdgram: Maximum outgoing SCTP buffer size */
133#define SCTPCTL_MAXDGRAM_DESC		"Maximum outgoing SCTP buffer size"
134#define SCTPCTL_MAXDGRAM_MIN		0
135#define SCTPCTL_MAXDGRAM_MAX		0xFFFFFFFF
136#define SCTPCTL_MAXDGRAM_DEFAULT	262144	/* 256k */
137
138/* recvspace: Maximum incoming SCTP buffer size */
139#define SCTPCTL_RECVSPACE_DESC		"Maximum incoming SCTP buffer size"
140#define SCTPCTL_RECVSPACE_MIN		0
141#define SCTPCTL_RECVSPACE_MAX		0xFFFFFFFF
142#define SCTPCTL_RECVSPACE_DEFAULT	262144	/* 256k */
143
144/* autoasconf: Enable SCTP Auto-ASCONF */
145#define SCTPCTL_AUTOASCONF_DESC		"Enable SCTP Auto-ASCONF"
146#define SCTPCTL_AUTOASCONF_MIN		0
147#define SCTPCTL_AUTOASCONF_MAX		1
148#define SCTPCTL_AUTOASCONF_DEFAULT	SCTP_DEFAULT_AUTO_ASCONF
149
150/* autoasconf: Enable SCTP Auto-ASCONF */
151#define SCTPCTL_MULTIPLEASCONFS_DESC	"Enable SCTP Muliple-ASCONFs"
152#define SCTPCTL_MULTIPLEASCONFS_MIN	0
153#define SCTPCTL_MULTIPLEASCONFS_MAX	1
154#define SCTPCTL_MULTIPLEASCONFS_DEFAULT	SCTP_DEFAULT_MULTIPLE_ASCONFS
155
156/* ecn_enable: Enable SCTP ECN */
157#define SCTPCTL_ECN_ENABLE_DESC		"Enable SCTP ECN"
158#define SCTPCTL_ECN_ENABLE_MIN		0
159#define SCTPCTL_ECN_ENABLE_MAX		1
160#define SCTPCTL_ECN_ENABLE_DEFAULT	1
161
162/* strict_sacks: Enable SCTP Strict SACK checking */
163#define SCTPCTL_STRICT_SACKS_DESC	"Enable SCTP Strict SACK checking"
164#define SCTPCTL_STRICT_SACKS_MIN	0
165#define SCTPCTL_STRICT_SACKS_MAX	1
166#define SCTPCTL_STRICT_SACKS_DEFAULT	1
167
168/* loopback_nocsum: Enable NO Csum on packets sent on loopback */
169#define SCTPCTL_LOOPBACK_NOCSUM_DESC	"Enable NO Csum on packets sent on loopback"
170#define SCTPCTL_LOOPBACK_NOCSUM_MIN	0
171#define SCTPCTL_LOOPBACK_NOCSUM_MAX	1
172#define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT	1
173
174/* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */
175#define SCTPCTL_STRICT_INIT_DESC	"Enable strict INIT/INIT-ACK singleton enforcement"
176#define SCTPCTL_STRICT_INIT_MIN		0
177#define SCTPCTL_STRICT_INIT_MAX		1
178#define SCTPCTL_STRICT_INIT_DEFAULT	1
179
180/* peer_chkoh: Amount to debit peers rwnd per chunk sent */
181#define SCTPCTL_PEER_CHKOH_DESC		"Amount to debit peers rwnd per chunk sent"
182#define SCTPCTL_PEER_CHKOH_MIN		0
183#define SCTPCTL_PEER_CHKOH_MAX		0xFFFFFFFF
184#define SCTPCTL_PEER_CHKOH_DEFAULT	256
185
186/* maxburst: Default max burst for sctp endpoints */
187#define SCTPCTL_MAXBURST_DESC		"Default max burst for sctp endpoints"
188#define SCTPCTL_MAXBURST_MIN		0
189#define SCTPCTL_MAXBURST_MAX		0xFFFFFFFF
190#define SCTPCTL_MAXBURST_DEFAULT	SCTP_DEF_MAX_BURST
191
192/* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */
193#define SCTPCTL_FRMAXBURST_DESC		"Default fr max burst for sctp endpoints"
194#define SCTPCTL_FRMAXBURST_MIN		0
195#define SCTPCTL_FRMAXBURST_MAX		0xFFFFFFFF
196#define SCTPCTL_FRMAXBURST_DEFAULT	SCTP_DEF_FRMAX_BURST
197
198
199/* maxchunks: Default max chunks on queue per asoc */
200#define SCTPCTL_MAXCHUNKS_DESC		"Default max chunks on queue per asoc"
201#define SCTPCTL_MAXCHUNKS_MIN		0
202#define SCTPCTL_MAXCHUNKS_MAX		0xFFFFFFFF
203#define SCTPCTL_MAXCHUNKS_DEFAULT	SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
204
205/* tcbhashsize: Tunable for Hash table sizes */
206#define SCTPCTL_TCBHASHSIZE_DESC	"Tunable for TCB hash table sizes"
207#define SCTPCTL_TCBHASHSIZE_MIN		1
208#define SCTPCTL_TCBHASHSIZE_MAX		0xFFFFFFFF
209#define SCTPCTL_TCBHASHSIZE_DEFAULT	SCTP_TCBHASHSIZE
210
211/* pcbhashsize: Tunable for PCB Hash table sizes */
212#define SCTPCTL_PCBHASHSIZE_DESC	"Tunable for PCB hash table sizes"
213#define SCTPCTL_PCBHASHSIZE_MIN		1
214#define SCTPCTL_PCBHASHSIZE_MAX		0xFFFFFFFF
215#define SCTPCTL_PCBHASHSIZE_DEFAULT	SCTP_PCBHASHSIZE
216
217/* min_split_point: Minimum size when splitting a chunk */
218#define SCTPCTL_MIN_SPLIT_POINT_DESC	"Minimum size when splitting a chunk"
219#define SCTPCTL_MIN_SPLIT_POINT_MIN	0
220#define SCTPCTL_MIN_SPLIT_POINT_MAX	0xFFFFFFFF
221#define SCTPCTL_MIN_SPLIT_POINT_DEFAULT	SCTP_DEFAULT_SPLIT_POINT_MIN
222
223/* chunkscale: Tunable for Scaling of number of chunks and messages */
224#define SCTPCTL_CHUNKSCALE_DESC		"Tunable for Scaling of number of chunks and messages"
225#define SCTPCTL_CHUNKSCALE_MIN		1
226#define SCTPCTL_CHUNKSCALE_MAX		0xFFFFFFFF
227#define SCTPCTL_CHUNKSCALE_DEFAULT	SCTP_CHUNKQUEUE_SCALE
228
229/* delayed_sack_time: Default delayed SACK timer in msec */
230#define SCTPCTL_DELAYED_SACK_TIME_DESC	"Default delayed SACK timer in msec"
231#define SCTPCTL_DELAYED_SACK_TIME_MIN	0
232#define SCTPCTL_DELAYED_SACK_TIME_MAX	0xFFFFFFFF
233#define SCTPCTL_DELAYED_SACK_TIME_DEFAULT	SCTP_RECV_MSEC
234
235/* sack_freq: Default SACK frequency */
236#define SCTPCTL_SACK_FREQ_DESC		"Default SACK frequency"
237#define SCTPCTL_SACK_FREQ_MIN		0
238#define SCTPCTL_SACK_FREQ_MAX		0xFFFFFFFF
239#define SCTPCTL_SACK_FREQ_DEFAULT	SCTP_DEFAULT_SACK_FREQ
240
241/* sys_resource: Max number of cached resources in the system */
242#define SCTPCTL_SYS_RESOURCE_DESC	"Max number of cached resources in the system"
243#define SCTPCTL_SYS_RESOURCE_MIN	0
244#define SCTPCTL_SYS_RESOURCE_MAX	0xFFFFFFFF
245#define SCTPCTL_SYS_RESOURCE_DEFAULT	SCTP_DEF_SYSTEM_RESC_LIMIT
246
247/* asoc_resource: Max number of cached resources in an asoc */
248#define SCTPCTL_ASOC_RESOURCE_DESC	"Max number of cached resources in an asoc"
249#define SCTPCTL_ASOC_RESOURCE_MIN	0
250#define SCTPCTL_ASOC_RESOURCE_MAX	0xFFFFFFFF
251#define SCTPCTL_ASOC_RESOURCE_DEFAULT	SCTP_DEF_ASOC_RESC_LIMIT
252
253/* heartbeat_interval: Default heartbeat interval in msec */
254#define SCTPCTL_HEARTBEAT_INTERVAL_DESC	"Default heartbeat interval in msec"
255#define SCTPCTL_HEARTBEAT_INTERVAL_MIN	0
256#define SCTPCTL_HEARTBEAT_INTERVAL_MAX	0xFFFFFFFF
257#define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT	SCTP_HB_DEFAULT_MSEC
258
259/* pmtu_raise_time: Default PMTU raise timer in sec */
260#define SCTPCTL_PMTU_RAISE_TIME_DESC	"Default PMTU raise timer in sec"
261#define SCTPCTL_PMTU_RAISE_TIME_MIN	0
262#define SCTPCTL_PMTU_RAISE_TIME_MAX	0xFFFFFFFF
263#define SCTPCTL_PMTU_RAISE_TIME_DEFAULT	SCTP_DEF_PMTU_RAISE_SEC
264
265/* shutdown_guard_time: Default shutdown guard timer in sec */
266#define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC	"Default shutdown guard timer in sec"
267#define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN		0
268#define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX		0xFFFFFFFF
269#define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT	SCTP_DEF_MAX_SHUTDOWN_SEC
270
271/* secret_lifetime: Default secret lifetime in sec */
272#define SCTPCTL_SECRET_LIFETIME_DESC	"Default secret lifetime in sec"
273#define SCTPCTL_SECRET_LIFETIME_MIN	0
274#define SCTPCTL_SECRET_LIFETIME_MAX	0xFFFFFFFF
275#define SCTPCTL_SECRET_LIFETIME_DEFAULT	SCTP_DEFAULT_SECRET_LIFE_SEC
276
277/* rto_max: Default maximum retransmission timeout in msec */
278#define SCTPCTL_RTO_MAX_DESC		"Default maximum retransmission timeout in msec"
279#define SCTPCTL_RTO_MAX_MIN		0
280#define SCTPCTL_RTO_MAX_MAX		0xFFFFFFFF
281#define SCTPCTL_RTO_MAX_DEFAULT		SCTP_RTO_UPPER_BOUND
282
283/* rto_min: Default minimum retransmission timeout in msec */
284#define SCTPCTL_RTO_MIN_DESC		"Default minimum retransmission timeout in msec"
285#define SCTPCTL_RTO_MIN_MIN		0
286#define SCTPCTL_RTO_MIN_MAX		0xFFFFFFFF
287#define SCTPCTL_RTO_MIN_DEFAULT		SCTP_RTO_LOWER_BOUND
288
289/* rto_initial: Default initial retransmission timeout in msec */
290#define SCTPCTL_RTO_INITIAL_DESC	"Default initial retransmission timeout in msec"
291#define SCTPCTL_RTO_INITIAL_MIN		0
292#define SCTPCTL_RTO_INITIAL_MAX		0xFFFFFFFF
293#define SCTPCTL_RTO_INITIAL_DEFAULT	SCTP_RTO_INITIAL
294
295/* init_rto_max: Default maximum retransmission timeout during association setup in msec */
296#define SCTPCTL_INIT_RTO_MAX_DESC	"Default maximum retransmission timeout during association setup in msec"
297#define SCTPCTL_INIT_RTO_MAX_MIN	0
298#define SCTPCTL_INIT_RTO_MAX_MAX	0xFFFFFFFF
299#define SCTPCTL_INIT_RTO_MAX_DEFAULT	SCTP_RTO_UPPER_BOUND
300
301/* valid_cookie_life: Default cookie lifetime in sec */
302#define SCTPCTL_VALID_COOKIE_LIFE_DESC	"Default cookie lifetime in sec"
303#define SCTPCTL_VALID_COOKIE_LIFE_MIN	0
304#define SCTPCTL_VALID_COOKIE_LIFE_MAX	0xFFFFFFFF
305#define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT	SCTP_DEFAULT_COOKIE_LIFE
306
307/* init_rtx_max: Default maximum number of retransmission for INIT chunks */
308#define SCTPCTL_INIT_RTX_MAX_DESC	"Default maximum number of retransmission for INIT chunks"
309#define SCTPCTL_INIT_RTX_MAX_MIN	0
310#define SCTPCTL_INIT_RTX_MAX_MAX	0xFFFFFFFF
311#define SCTPCTL_INIT_RTX_MAX_DEFAULT	SCTP_DEF_MAX_INIT
312
313/* assoc_rtx_max: Default maximum number of retransmissions per association */
314#define SCTPCTL_ASSOC_RTX_MAX_DESC	"Default maximum number of retransmissions per association"
315#define SCTPCTL_ASSOC_RTX_MAX_MIN	0
316#define SCTPCTL_ASSOC_RTX_MAX_MAX	0xFFFFFFFF
317#define SCTPCTL_ASSOC_RTX_MAX_DEFAULT	SCTP_DEF_MAX_SEND
318
319/* path_rtx_max: Default maximum of retransmissions per path */
320#define SCTPCTL_PATH_RTX_MAX_DESC	"Default maximum of retransmissions per path"
321#define SCTPCTL_PATH_RTX_MAX_MIN	0
322#define SCTPCTL_PATH_RTX_MAX_MAX	0xFFFFFFFF
323#define SCTPCTL_PATH_RTX_MAX_DEFAULT	SCTP_DEF_MAX_PATH_RTX
324
325/* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */
326#define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC	"When space wise is it worthwhile to try to add more to a socket send buffer"
327#define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN	0
328#define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX	0xFFFFFFFF
329#define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
330
331/* outgoing_streams: Default number of outgoing streams */
332#define SCTPCTL_OUTGOING_STREAMS_DESC	"Default number of outgoing streams"
333#define SCTPCTL_OUTGOING_STREAMS_MIN	1
334#define SCTPCTL_OUTGOING_STREAMS_MAX	65535
335#define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
336
337/* cmt_on_off: CMT on/off flag */
338#define SCTPCTL_CMT_ON_OFF_DESC		"CMT settings"
339#define SCTPCTL_CMT_ON_OFF_MIN		0
340#define SCTPCTL_CMT_ON_OFF_MAX		2
341#define SCTPCTL_CMT_ON_OFF_DEFAULT	0
342
343/* EY - nr_sack_on_off: NR_SACK on/off flag */
344#define SCTPCTL_NR_SACK_ON_OFF_DESC	"NR_SACK on/off flag"
345#define SCTPCTL_NR_SACK_ON_OFF_MIN	0
346#define SCTPCTL_NR_SACK_ON_OFF_MAX	1
347#define SCTPCTL_NR_SACK_ON_OFF_DEFAULT	0
348
349/* cmt_use_dac: CMT DAC on/off flag */
350#define SCTPCTL_CMT_USE_DAC_DESC	"CMT DAC on/off flag"
351#define SCTPCTL_CMT_USE_DAC_MIN		0
352#define SCTPCTL_CMT_USE_DAC_MAX		1
353#define SCTPCTL_CMT_USE_DAC_DEFAULT    	0
354
355/* JRS 5/2107 - CMT PF type flag */
356#define SCTPCTL_CMT_PF_DESC		"CMT PF type flag"
357#define SCTPCTL_CMT_PF_MIN		0
358#define SCTPCTL_CMT_PF_MAX		2
359#define SCTPCTL_CMT_PF_DEFAULT		0
360
361/* cwnd_maxburst: Use a CWND adjusting maxburst */
362#define SCTPCTL_CWND_MAXBURST_DESC	"Use a CWND adjusting maxburst"
363#define SCTPCTL_CWND_MAXBURST_MIN	0
364#define SCTPCTL_CWND_MAXBURST_MAX	1
365#define SCTPCTL_CWND_MAXBURST_DEFAULT	1
366
367/* early_fast_retran: Early Fast Retransmit with timer */
368#define SCTPCTL_EARLY_FAST_RETRAN_DESC	"Early Fast Retransmit with timer"
369#define SCTPCTL_EARLY_FAST_RETRAN_MIN	0
370#define SCTPCTL_EARLY_FAST_RETRAN_MAX	0xFFFFFFFF
371#define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT	0
372
373/* early_fast_retran_msec: Early Fast Retransmit minimum timer value */
374#define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC	"Early Fast Retransmit minimum timer value"
375#define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN	0
376#define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX	0xFFFFFFFF
377#define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT	SCTP_MINFR_MSEC_TIMER
378
379/* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */
380#define SCTPCTL_ASCONF_AUTH_NOCHK_DESC	"Disable SCTP ASCONF AUTH requirement"
381#define SCTPCTL_ASCONF_AUTH_NOCHK_MIN	0
382#define SCTPCTL_ASCONF_AUTH_NOCHK_MAX	1
383#define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT	0
384
385/* auth_disable: Disable SCTP AUTH function */
386#define SCTPCTL_AUTH_DISABLE_DESC	"Disable SCTP AUTH function"
387#define SCTPCTL_AUTH_DISABLE_MIN	0
388#define SCTPCTL_AUTH_DISABLE_MAX	1
389#define SCTPCTL_AUTH_DISABLE_DEFAULT	0
390
391/* nat_friendly: SCTP NAT friendly operation */
392#define SCTPCTL_NAT_FRIENDLY_DESC	"SCTP NAT friendly operation"
393#define SCTPCTL_NAT_FRIENDLY_MIN	0
394#define SCTPCTL_NAT_FRIENDLY_MAX	1
395#define SCTPCTL_NAT_FRIENDLY_DEFAULT	1
396
397/* abc_l_var: SCTP ABC max increase per SACK (L) */
398#define SCTPCTL_ABC_L_VAR_DESC		"SCTP ABC max increase per SACK (L)"
399#define SCTPCTL_ABC_L_VAR_MIN		0
400#define SCTPCTL_ABC_L_VAR_MAX		0xFFFFFFFF
401#define SCTPCTL_ABC_L_VAR_DEFAULT	1
402
403/* max_chained_mbufs: Default max number of small mbufs on a chain */
404#define SCTPCTL_MAX_CHAINED_MBUFS_DESC	"Default max number of small mbufs on a chain"
405#define SCTPCTL_MAX_CHAINED_MBUFS_MIN	0
406#define SCTPCTL_MAX_CHAINED_MBUFS_MAX	0xFFFFFFFF
407#define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT	SCTP_DEFAULT_MBUFS_IN_CHAIN
408
409/* do_sctp_drain: Should SCTP respond to the drain calls */
410#define SCTPCTL_DO_SCTP_DRAIN_DESC	"Should SCTP respond to the drain calls"
411#define SCTPCTL_DO_SCTP_DRAIN_MIN	0
412#define SCTPCTL_DO_SCTP_DRAIN_MAX	1
413#define SCTPCTL_DO_SCTP_DRAIN_DEFAULT	1
414
415/* hb_max_burst: Confirmation Heartbeat max burst? */
416#define SCTPCTL_HB_MAX_BURST_DESC	"Confirmation Heartbeat max burst"
417#define SCTPCTL_HB_MAX_BURST_MIN	1
418#define SCTPCTL_HB_MAX_BURST_MAX	0xFFFFFFFF
419#define SCTPCTL_HB_MAX_BURST_DEFAULT	SCTP_DEF_HBMAX_BURST
420
421/* abort_at_limit: When one-2-one hits qlimit abort */
422#define SCTPCTL_ABORT_AT_LIMIT_DESC	"When one-2-one hits qlimit abort"
423#define SCTPCTL_ABORT_AT_LIMIT_MIN	0
424#define SCTPCTL_ABORT_AT_LIMIT_MAX	1
425#define SCTPCTL_ABORT_AT_LIMIT_DEFAULT	0
426
427/* strict_data_order: Enforce strict data ordering, abort if control inside data */
428#define SCTPCTL_STRICT_DATA_ORDER_DESC	"Enforce strict data ordering, abort if control inside data"
429#define SCTPCTL_STRICT_DATA_ORDER_MIN	0
430#define SCTPCTL_STRICT_DATA_ORDER_MAX	1
431#define SCTPCTL_STRICT_DATA_ORDER_DEFAULT	0
432
433/* min_residual: min residual in a data fragment leftover */
434#define SCTPCTL_MIN_RESIDUAL_DESC	"Minimum residual data chunk in second part of split"
435#define SCTPCTL_MIN_RESIDUAL_MIN	20
436#define SCTPCTL_MIN_RESIDUAL_MAX	65535
437#define SCTPCTL_MIN_RESIDUAL_DEFAULT	1452
438
439/* max_retran_chunk: max chunk retransmissions */
440#define SCTPCTL_MAX_RETRAN_CHUNK_DESC	"Maximum times an unlucky chunk can be retran'd before assoc abort"
441#define SCTPCTL_MAX_RETRAN_CHUNK_MIN	0
442#define SCTPCTL_MAX_RETRAN_CHUNK_MAX	65535
443#define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT	30
444
445/* sctp_logging: This gives us logging when the options are enabled */
446#define SCTPCTL_LOGGING_LEVEL_DESC	"Ltrace/KTR trace logging level"
447#define SCTPCTL_LOGGING_LEVEL_MIN	0
448#define SCTPCTL_LOGGING_LEVEL_MAX	0xffffffff
449#define SCTPCTL_LOGGING_LEVEL_DEFAULT	0
450
451/* JRS - default congestion control module sysctl */
452#define SCTPCTL_DEFAULT_CC_MODULE_DESC		"Default congestion control module"
453#define SCTPCTL_DEFAULT_CC_MODULE_MIN		0
454#define SCTPCTL_DEFAULT_CC_MODULE_MAX		2
455#define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT	0
456
457/* RS - default stream scheduling module sysctl */
458#define SCTPCTL_DEFAULT_SS_MODULE_DESC		"Default stream scheduling module"
459#define SCTPCTL_DEFAULT_SS_MODULE_MIN		0
460#define SCTPCTL_DEFAULT_SS_MODULE_MAX		5
461#define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT	0
462
463/* RRS - default fragment interleave */
464#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC	"Default fragment interleave level"
465#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN	0
466#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX	2
467#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT	1
468
469/* mobility_base: Enable SCTP mobility support */
470#define SCTPCTL_MOBILITY_BASE_DESC	"Enable SCTP base mobility"
471#define SCTPCTL_MOBILITY_BASE_MIN	0
472#define SCTPCTL_MOBILITY_BASE_MAX	1
473#define SCTPCTL_MOBILITY_BASE_DEFAULT	SCTP_DEFAULT_MOBILITY_BASE
474
475/* mobility_fasthandoff: Enable SCTP fast handoff support */
476#define SCTPCTL_MOBILITY_FASTHANDOFF_DESC	"Enable SCTP fast handoff"
477#define SCTPCTL_MOBILITY_FASTHANDOFF_MIN	0
478#define SCTPCTL_MOBILITY_FASTHANDOFF_MAX	1
479#define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT	SCTP_DEFAULT_MOBILITY_FASTHANDOFF
480
481/* Enable SCTP/UDP tunneling for clients*/
482#define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC	"Enable SCTP/UDP tunneling for client"
483#define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN	0
484#define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX	1
485#define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT	SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN
486
487/* Enable SCTP/UDP tunneling port */
488#define SCTPCTL_UDP_TUNNELING_PORT_DESC		"Set the SCTP/UDP tunneling port"
489#define SCTPCTL_UDP_TUNNELING_PORT_MIN		0
490#define SCTPCTL_UDP_TUNNELING_PORT_MAX		65535
491#define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT	SCTP_OVER_UDP_TUNNELING_PORT
492
493/* Enable sending of the SACK-IMMEDIATELY bit */
494#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC	"Enable sending of the SACK-IMMEDIATELY-bit."
495#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN	0
496#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX	1
497#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT	SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN
498
499/* Enable sending of the NAT-FRIENDLY message */
500#define SCTPCTL_NAT_FRIENDLY_INITS_DESC	"Enable sending of the nat-friendly SCTP option on INITs."
501#define SCTPCTL_NAT_FRIENDLY_INITS_MIN	0
502#define SCTPCTL_NAT_FRIENDLY_INITS_MAX	1
503#define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT	SCTPCTL_NAT_FRIENDLY_INITS_MIN
504
505/* Vtag time wait in seconds */
506#define SCTPCTL_TIME_WAIT_DESC	"Vtag time wait time in seconds, 0 disables it."
507#define SCTPCTL_TIME_WAIT_MIN	0
508#define SCTPCTL_TIME_WAIT_MAX	0xffffffff
509#define SCTPCTL_TIME_WAIT_DEFAULT	SCTP_TIME_WAIT
510
511/* Enable Send/Receive buffer splitting */
512#define SCTPCTL_BUFFER_SPLITTING_DESC		"Enable send/receive buffer splitting."
513#define SCTPCTL_BUFFER_SPLITTING_MIN		0
514#define SCTPCTL_BUFFER_SPLITTING_MAX		0x3
515#define SCTPCTL_BUFFER_SPLITTING_DEFAULT	SCTPCTL_BUFFER_SPLITTING_MIN
516
517/* Initial congestion window in MTU */
518#define SCTPCTL_INITIAL_CWND_DESC	"Initial congestion window in MTUs"
519#define SCTPCTL_INITIAL_CWND_MIN	0
520#define SCTPCTL_INITIAL_CWND_MAX	0xffffffff
521#define SCTPCTL_INITIAL_CWND_DEFAULT	3
522#ifdef SCTP_HAS_RTTCC
523
524/* rttvar smooth avg for bw calc  */
525#define SCTPCTL_RTTVAR_BW_DESC	"Shift amount for bw smothing on rtt calc"
526#define SCTPCTL_RTTVAR_BW_MIN	0
527#define SCTPCTL_RTTVAR_BW_MAX	32
528#define SCTPCTL_RTTVAR_BW_DEFAULT	4
529
530/* rttvar smooth avg for bw calc  */
531#define SCTPCTL_RTTVAR_RTT_DESC	"Shift amount for rtt smothing on rtt calc"
532#define SCTPCTL_RTTVAR_RTT_MIN	0
533#define SCTPCTL_RTTVAR_RTT_MAX	32
534#define SCTPCTL_RTTVAR_RTT_DEFAULT	5
535
536#define SCTPCTL_RTTVAR_EQRET_DESC	"When rtt and bw are unchanged return what"
537#define SCTPCTL_RTTVAR_EQRET_MIN	0
538#define SCTPCTL_RTTVAR_EQRET_MAX	1
539#define SCTPCTL_RTTVAR_EQRET_DEFAULT	0
540#endif
541
542#if defined(SCTP_DEBUG)
543/* debug: Configure debug output */
544#define SCTPCTL_DEBUG_DESC	"Configure debug output"
545#define SCTPCTL_DEBUG_MIN	0
546#define SCTPCTL_DEBUG_MAX	0xFFFFFFFF
547#define SCTPCTL_DEBUG_DEFAULT	0
548#endif
549
550
551#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
552#define SCTPCTL_OUTPUT_UNLOCKED_DESC	"Unlock socket when sending packets down to IP."
553#define SCTPCTL_OUTPUT_UNLOCKED_MIN	0
554#define SCTPCTL_OUTPUT_UNLOCKED_MAX	1
555#define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT	SCTPCTL_OUTPUT_UNLOCKED_MIN
556#endif
557
558
559#if defined(_KERNEL) || defined(__Userspace__)
560#if defined(SYSCTL_DECL)
561SYSCTL_DECL(_net_inet_sctp);
562#endif
563
564void sctp_init_sysctls(void);
565
566#endif				/* _KERNEL */
567#endif				/* __sctp_sysctl_h__ */
568