sctp_sysctl.h revision 269448
1/*-
2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, 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 269448 2014-08-02 21:36:40Z tuexen $");
35
36#ifndef _NETINET_SCTP_SYSCTL_H_
37#define _NETINET_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_pr_enable;
49	uint32_t sctp_fr_max_burst_default;
50	uint32_t sctp_strict_sacks;
51	uint32_t sctp_peer_chunk_oh;
52	uint32_t sctp_max_burst_default;
53	uint32_t sctp_max_chunks_on_queue;
54	uint32_t sctp_hashtblsize;
55	uint32_t sctp_pcbtblsize;
56	uint32_t sctp_min_split_point;
57	uint32_t sctp_chunkscale;
58	uint32_t sctp_delayed_sack_time_default;
59	uint32_t sctp_sack_freq_default;
60	uint32_t sctp_system_free_resc_limit;
61	uint32_t sctp_asoc_free_resc_limit;
62	uint32_t sctp_heartbeat_interval_default;
63	uint32_t sctp_pmtu_raise_time_default;
64	uint32_t sctp_shutdown_guard_time_default;
65	uint32_t sctp_secret_lifetime_default;
66	uint32_t sctp_rto_max_default;
67	uint32_t sctp_rto_min_default;
68	uint32_t sctp_rto_initial_default;
69	uint32_t sctp_init_rto_max_default;
70	uint32_t sctp_valid_cookie_life_default;
71	uint32_t sctp_init_rtx_max_default;
72	uint32_t sctp_assoc_rtx_max_default;
73	uint32_t sctp_path_rtx_max_default;
74	uint32_t sctp_path_pf_threshold;
75	uint32_t sctp_add_more_threshold;
76	uint32_t sctp_nr_incoming_streams_default;
77	uint32_t sctp_nr_outgoing_streams_default;
78	uint32_t sctp_cmt_on_off;
79	uint32_t sctp_cmt_use_dac;
80	/* EY 5/5/08 - nr_sack flag variable */
81	uint32_t sctp_nr_sack_on_off;
82	uint32_t sctp_use_cwnd_based_maxburst;
83	uint32_t sctp_auth_disable;
84	uint32_t sctp_nat_friendly;
85	uint32_t sctp_L2_abc_variable;
86	uint32_t sctp_mbuf_threshold_count;
87	uint32_t sctp_do_drain;
88	uint32_t sctp_hb_maxburst;
89	uint32_t sctp_abort_if_one_2_one_hits_limit;
90	uint32_t sctp_strict_data_order;
91	uint32_t sctp_min_residual;
92	uint32_t sctp_max_retran_chunk;
93	uint32_t sctp_logging_level;
94	/* JRS - Variable for default congestion control module */
95	uint32_t sctp_default_cc_module;
96	/* RS - Variable for default stream scheduling module */
97	uint32_t sctp_default_ss_module;
98	uint32_t sctp_default_frag_interleave;
99	uint32_t sctp_mobility_base;
100	uint32_t sctp_mobility_fasthandoff;
101	uint32_t sctp_inits_include_nat_friendly;
102	uint32_t sctp_rttvar_bw;
103	uint32_t sctp_rttvar_rtt;
104	uint32_t sctp_rttvar_eqret;
105	uint32_t sctp_steady_step;
106	uint32_t sctp_use_dccc_ecn;
107	uint32_t sctp_diag_info_code;
108#if defined(SCTP_LOCAL_TRACE_BUF)
109	struct sctp_log sctp_log;
110#endif
111	uint32_t sctp_udp_tunneling_port;
112	uint32_t sctp_enable_sack_immediately;
113	uint32_t sctp_vtag_time_wait;
114	uint32_t sctp_buffer_splitting;
115	uint32_t sctp_initial_cwnd;
116	uint32_t sctp_blackhole;
117#if defined(SCTP_DEBUG)
118	uint32_t sctp_debug_on;
119#endif
120#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
121	uint32_t sctp_output_unlocked;
122#endif
123};
124
125/*
126 * limits for the sysctl variables
127 */
128/* maxdgram: Maximum outgoing SCTP buffer size */
129#define SCTPCTL_MAXDGRAM_DESC		"Maximum outgoing SCTP buffer size"
130#define SCTPCTL_MAXDGRAM_MIN		0
131#define SCTPCTL_MAXDGRAM_MAX		0xFFFFFFFF
132#define SCTPCTL_MAXDGRAM_DEFAULT	262144	/* 256k */
133
134/* recvspace: Maximum incoming SCTP buffer size */
135#define SCTPCTL_RECVSPACE_DESC		"Maximum incoming SCTP buffer size"
136#define SCTPCTL_RECVSPACE_MIN		0
137#define SCTPCTL_RECVSPACE_MAX		0xFFFFFFFF
138#define SCTPCTL_RECVSPACE_DEFAULT	262144	/* 256k */
139
140/* autoasconf: Enable SCTP Auto-ASCONF */
141#define SCTPCTL_AUTOASCONF_DESC		"Enable SCTP Auto-ASCONF"
142#define SCTPCTL_AUTOASCONF_MIN		0
143#define SCTPCTL_AUTOASCONF_MAX		1
144#define SCTPCTL_AUTOASCONF_DEFAULT	SCTP_DEFAULT_AUTO_ASCONF
145
146/* autoasconf: Enable SCTP Auto-ASCONF */
147#define SCTPCTL_MULTIPLEASCONFS_DESC	"Enable SCTP Muliple-ASCONFs"
148#define SCTPCTL_MULTIPLEASCONFS_MIN	0
149#define SCTPCTL_MULTIPLEASCONFS_MAX	1
150#define SCTPCTL_MULTIPLEASCONFS_DEFAULT	SCTP_DEFAULT_MULTIPLE_ASCONFS
151
152/* ecn_enable: Enable SCTP ECN */
153#define SCTPCTL_ECN_ENABLE_DESC		"Enable SCTP ECN"
154#define SCTPCTL_ECN_ENABLE_MIN		0
155#define SCTPCTL_ECN_ENABLE_MAX		1
156#define SCTPCTL_ECN_ENABLE_DEFAULT	1
157
158/* pr_enable: Enable PR-SCTP */
159#define SCTPCTL_PR_ENABLE_DESC		"Enable PR-SCTP"
160#define SCTPCTL_PR_ENABLE_MIN		0
161#define SCTPCTL_PR_ENABLE_MAX		1
162#define SCTPCTL_PR_ENABLE_DEFAULT	1
163
164/* strict_sacks: Enable SCTP Strict SACK checking */
165#define SCTPCTL_STRICT_SACKS_DESC	"Enable SCTP Strict SACK checking"
166#define SCTPCTL_STRICT_SACKS_MIN	0
167#define SCTPCTL_STRICT_SACKS_MAX	1
168#define SCTPCTL_STRICT_SACKS_DEFAULT	1
169
170/* loopback_nocsum: Enable NO Csum on packets sent on loopback */
171#define SCTPCTL_LOOPBACK_NOCSUM_DESC	"Enable NO Csum on packets sent on loopback"
172#define SCTPCTL_LOOPBACK_NOCSUM_MIN	0
173#define SCTPCTL_LOOPBACK_NOCSUM_MAX	1
174#define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT	1
175
176/* peer_chkoh: Amount to debit peers rwnd per chunk sent */
177#define SCTPCTL_PEER_CHKOH_DESC		"Amount to debit peers rwnd per chunk sent"
178#define SCTPCTL_PEER_CHKOH_MIN		0
179#define SCTPCTL_PEER_CHKOH_MAX		0xFFFFFFFF
180#define SCTPCTL_PEER_CHKOH_DEFAULT	256
181
182/* maxburst: Default max burst for sctp endpoints */
183#define SCTPCTL_MAXBURST_DESC		"Default max burst for sctp endpoints"
184#define SCTPCTL_MAXBURST_MIN		0
185#define SCTPCTL_MAXBURST_MAX		0xFFFFFFFF
186#define SCTPCTL_MAXBURST_DEFAULT	SCTP_DEF_MAX_BURST
187
188/* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */
189#define SCTPCTL_FRMAXBURST_DESC		"Default fr max burst for sctp endpoints"
190#define SCTPCTL_FRMAXBURST_MIN		0
191#define SCTPCTL_FRMAXBURST_MAX		0xFFFFFFFF
192#define SCTPCTL_FRMAXBURST_DEFAULT	SCTP_DEF_FRMAX_BURST
193
194
195/* maxchunks: Default max chunks on queue per asoc */
196#define SCTPCTL_MAXCHUNKS_DESC		"Default max chunks on queue per asoc"
197#define SCTPCTL_MAXCHUNKS_MIN		0
198#define SCTPCTL_MAXCHUNKS_MAX		0xFFFFFFFF
199#define SCTPCTL_MAXCHUNKS_DEFAULT	SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
200
201/* tcbhashsize: Tunable for Hash table sizes */
202#define SCTPCTL_TCBHASHSIZE_DESC	"Tunable for TCB hash table sizes"
203#define SCTPCTL_TCBHASHSIZE_MIN		1
204#define SCTPCTL_TCBHASHSIZE_MAX		0xFFFFFFFF
205#define SCTPCTL_TCBHASHSIZE_DEFAULT	SCTP_TCBHASHSIZE
206
207/* pcbhashsize: Tunable for PCB Hash table sizes */
208#define SCTPCTL_PCBHASHSIZE_DESC	"Tunable for PCB hash table sizes"
209#define SCTPCTL_PCBHASHSIZE_MIN		1
210#define SCTPCTL_PCBHASHSIZE_MAX		0xFFFFFFFF
211#define SCTPCTL_PCBHASHSIZE_DEFAULT	SCTP_PCBHASHSIZE
212
213/* min_split_point: Minimum size when splitting a chunk */
214#define SCTPCTL_MIN_SPLIT_POINT_DESC	"Minimum size when splitting a chunk"
215#define SCTPCTL_MIN_SPLIT_POINT_MIN	0
216#define SCTPCTL_MIN_SPLIT_POINT_MAX	0xFFFFFFFF
217#define SCTPCTL_MIN_SPLIT_POINT_DEFAULT	SCTP_DEFAULT_SPLIT_POINT_MIN
218
219/* chunkscale: Tunable for Scaling of number of chunks and messages */
220#define SCTPCTL_CHUNKSCALE_DESC		"Tunable for Scaling of number of chunks and messages"
221#define SCTPCTL_CHUNKSCALE_MIN		1
222#define SCTPCTL_CHUNKSCALE_MAX		0xFFFFFFFF
223#define SCTPCTL_CHUNKSCALE_DEFAULT	SCTP_CHUNKQUEUE_SCALE
224
225/* delayed_sack_time: Default delayed SACK timer in ms */
226#define SCTPCTL_DELAYED_SACK_TIME_DESC	"Default delayed SACK timer in ms"
227#define SCTPCTL_DELAYED_SACK_TIME_MIN	0
228#define SCTPCTL_DELAYED_SACK_TIME_MAX	0xFFFFFFFF
229#define SCTPCTL_DELAYED_SACK_TIME_DEFAULT	SCTP_RECV_MSEC
230
231/* sack_freq: Default SACK frequency */
232#define SCTPCTL_SACK_FREQ_DESC		"Default SACK frequency"
233#define SCTPCTL_SACK_FREQ_MIN		0
234#define SCTPCTL_SACK_FREQ_MAX		0xFFFFFFFF
235#define SCTPCTL_SACK_FREQ_DEFAULT	SCTP_DEFAULT_SACK_FREQ
236
237/* sys_resource: Max number of cached resources in the system */
238#define SCTPCTL_SYS_RESOURCE_DESC	"Max number of cached resources in the system"
239#define SCTPCTL_SYS_RESOURCE_MIN	0
240#define SCTPCTL_SYS_RESOURCE_MAX	0xFFFFFFFF
241#define SCTPCTL_SYS_RESOURCE_DEFAULT	SCTP_DEF_SYSTEM_RESC_LIMIT
242
243/* asoc_resource: Max number of cached resources in an asoc */
244#define SCTPCTL_ASOC_RESOURCE_DESC	"Max number of cached resources in an asoc"
245#define SCTPCTL_ASOC_RESOURCE_MIN	0
246#define SCTPCTL_ASOC_RESOURCE_MAX	0xFFFFFFFF
247#define SCTPCTL_ASOC_RESOURCE_DEFAULT	SCTP_DEF_ASOC_RESC_LIMIT
248
249/* heartbeat_interval: Default heartbeat interval in ms */
250#define SCTPCTL_HEARTBEAT_INTERVAL_DESC	"Default heartbeat interval in ms"
251#define SCTPCTL_HEARTBEAT_INTERVAL_MIN	0
252#define SCTPCTL_HEARTBEAT_INTERVAL_MAX	0xFFFFFFFF
253#define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT	SCTP_HB_DEFAULT_MSEC
254
255/* pmtu_raise_time: Default PMTU raise timer in seconds */
256#define SCTPCTL_PMTU_RAISE_TIME_DESC	"Default PMTU raise timer in seconds"
257#define SCTPCTL_PMTU_RAISE_TIME_MIN	0
258#define SCTPCTL_PMTU_RAISE_TIME_MAX	0xFFFFFFFF
259#define SCTPCTL_PMTU_RAISE_TIME_DEFAULT	SCTP_DEF_PMTU_RAISE_SEC
260
261/* shutdown_guard_time: Default shutdown guard timer in seconds */
262#define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC	"Default shutdown guard timer in seconds"
263#define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN		0
264#define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX		0xFFFFFFFF
265#define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT	SCTP_DEF_MAX_SHUTDOWN_SEC
266
267/* secret_lifetime: Default secret lifetime in seconds */
268#define SCTPCTL_SECRET_LIFETIME_DESC	"Default secret lifetime in seconds"
269#define SCTPCTL_SECRET_LIFETIME_MIN	0
270#define SCTPCTL_SECRET_LIFETIME_MAX	0xFFFFFFFF
271#define SCTPCTL_SECRET_LIFETIME_DEFAULT	SCTP_DEFAULT_SECRET_LIFE_SEC
272
273/* rto_max: Default maximum retransmission timeout in ms */
274#define SCTPCTL_RTO_MAX_DESC		"Default maximum retransmission timeout in ms"
275#define SCTPCTL_RTO_MAX_MIN		0
276#define SCTPCTL_RTO_MAX_MAX		0xFFFFFFFF
277#define SCTPCTL_RTO_MAX_DEFAULT		SCTP_RTO_UPPER_BOUND
278
279/* rto_min: Default minimum retransmission timeout in ms */
280#define SCTPCTL_RTO_MIN_DESC		"Default minimum retransmission timeout in ms"
281#define SCTPCTL_RTO_MIN_MIN		0
282#define SCTPCTL_RTO_MIN_MAX		0xFFFFFFFF
283#define SCTPCTL_RTO_MIN_DEFAULT		SCTP_RTO_LOWER_BOUND
284
285/* rto_initial: Default initial retransmission timeout in ms */
286#define SCTPCTL_RTO_INITIAL_DESC	"Default initial retransmission timeout in ms"
287#define SCTPCTL_RTO_INITIAL_MIN		0
288#define SCTPCTL_RTO_INITIAL_MAX		0xFFFFFFFF
289#define SCTPCTL_RTO_INITIAL_DEFAULT	SCTP_RTO_INITIAL
290
291/* init_rto_max: Default maximum retransmission timeout during association setup in ms */
292#define SCTPCTL_INIT_RTO_MAX_DESC	"Default maximum retransmission timeout during association setup in ms"
293#define SCTPCTL_INIT_RTO_MAX_MIN	0
294#define SCTPCTL_INIT_RTO_MAX_MAX	0xFFFFFFFF
295#define SCTPCTL_INIT_RTO_MAX_DEFAULT	SCTP_RTO_UPPER_BOUND
296
297/* valid_cookie_life: Default cookie lifetime in sec */
298#define SCTPCTL_VALID_COOKIE_LIFE_DESC	"Default cookie lifetime in seconds"
299#define SCTPCTL_VALID_COOKIE_LIFE_MIN	0
300#define SCTPCTL_VALID_COOKIE_LIFE_MAX	0xFFFFFFFF
301#define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT	SCTP_DEFAULT_COOKIE_LIFE
302
303/* init_rtx_max: Default maximum number of retransmission for INIT chunks */
304#define SCTPCTL_INIT_RTX_MAX_DESC	"Default maximum number of retransmission for INIT chunks"
305#define SCTPCTL_INIT_RTX_MAX_MIN	0
306#define SCTPCTL_INIT_RTX_MAX_MAX	0xFFFFFFFF
307#define SCTPCTL_INIT_RTX_MAX_DEFAULT	SCTP_DEF_MAX_INIT
308
309/* assoc_rtx_max: Default maximum number of retransmissions per association */
310#define SCTPCTL_ASSOC_RTX_MAX_DESC	"Default maximum number of retransmissions per association"
311#define SCTPCTL_ASSOC_RTX_MAX_MIN	0
312#define SCTPCTL_ASSOC_RTX_MAX_MAX	0xFFFFFFFF
313#define SCTPCTL_ASSOC_RTX_MAX_DEFAULT	SCTP_DEF_MAX_SEND
314
315/* path_rtx_max: Default maximum of retransmissions per path */
316#define SCTPCTL_PATH_RTX_MAX_DESC	"Default maximum of retransmissions per path"
317#define SCTPCTL_PATH_RTX_MAX_MIN	0
318#define SCTPCTL_PATH_RTX_MAX_MAX	0xFFFFFFFF
319#define SCTPCTL_PATH_RTX_MAX_DEFAULT	SCTP_DEF_MAX_PATH_RTX
320
321/* path_pf_threshold: threshold for considering the path potentially failed */
322#define SCTPCTL_PATH_PF_THRESHOLD_DESC		"Default potentially failed threshold"
323#define SCTPCTL_PATH_PF_THRESHOLD_MIN		0
324#define SCTPCTL_PATH_PF_THRESHOLD_MAX		0xFFFF
325#define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT	SCTPCTL_PATH_PF_THRESHOLD_MAX
326
327/* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */
328#define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC	"When space-wise is it worthwhile to try to add more to a socket send buffer"
329#define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN	0
330#define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX	0xFFFFFFFF
331#define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
332
333/* incoming_streams: Default number of incoming streams */
334#define SCTPCTL_INCOMING_STREAMS_DESC	"Default number of incoming streams"
335#define SCTPCTL_INCOMING_STREAMS_MIN	1
336#define SCTPCTL_INCOMING_STREAMS_MAX	65535
337#define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL
338
339/* outgoing_streams: Default number of outgoing streams */
340#define SCTPCTL_OUTGOING_STREAMS_DESC	"Default number of outgoing streams"
341#define SCTPCTL_OUTGOING_STREAMS_MIN	1
342#define SCTPCTL_OUTGOING_STREAMS_MAX	65535
343#define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
344
345/* cmt_on_off: CMT on/off flag */
346#define SCTPCTL_CMT_ON_OFF_DESC		"CMT settings"
347#define SCTPCTL_CMT_ON_OFF_MIN		SCTP_CMT_OFF
348#define SCTPCTL_CMT_ON_OFF_MAX		SCTP_CMT_MAX
349#define SCTPCTL_CMT_ON_OFF_DEFAULT	SCTP_CMT_OFF
350
351/* EY - nr_sack_on_off: NR_SACK on/off flag */
352#define SCTPCTL_NR_SACK_ON_OFF_DESC	"NR_SACK on/off flag"
353#define SCTPCTL_NR_SACK_ON_OFF_MIN	0
354#define SCTPCTL_NR_SACK_ON_OFF_MAX	1
355#define SCTPCTL_NR_SACK_ON_OFF_DEFAULT	0
356
357/* cmt_use_dac: CMT DAC on/off flag */
358#define SCTPCTL_CMT_USE_DAC_DESC	"CMT DAC on/off flag"
359#define SCTPCTL_CMT_USE_DAC_MIN		0
360#define SCTPCTL_CMT_USE_DAC_MAX		1
361#define SCTPCTL_CMT_USE_DAC_DEFAULT    	0
362
363/* cwnd_maxburst: Use a CWND adjusting maxburst */
364#define SCTPCTL_CWND_MAXBURST_DESC	"Use a CWND adjusting maxburst"
365#define SCTPCTL_CWND_MAXBURST_MIN	0
366#define SCTPCTL_CWND_MAXBURST_MAX	1
367#define SCTPCTL_CWND_MAXBURST_DEFAULT	1
368
369/* auth_disable: Disable SCTP AUTH function */
370#define SCTPCTL_AUTH_DISABLE_DESC	"Disable SCTP AUTH function"
371#define SCTPCTL_AUTH_DISABLE_MIN	0
372#define SCTPCTL_AUTH_DISABLE_MAX	1
373#define SCTPCTL_AUTH_DISABLE_DEFAULT	0
374
375/* nat_friendly: SCTP NAT friendly operation */
376#define SCTPCTL_NAT_FRIENDLY_DESC	"SCTP NAT friendly operation"
377#define SCTPCTL_NAT_FRIENDLY_MIN	0
378#define SCTPCTL_NAT_FRIENDLY_MAX	1
379#define SCTPCTL_NAT_FRIENDLY_DEFAULT	1
380
381/* abc_l_var: SCTP ABC max increase per SACK (L) */
382#define SCTPCTL_ABC_L_VAR_DESC		"SCTP ABC max increase per SACK (L)"
383#define SCTPCTL_ABC_L_VAR_MIN		0
384#define SCTPCTL_ABC_L_VAR_MAX		0xFFFFFFFF
385#define SCTPCTL_ABC_L_VAR_DEFAULT	2
386
387/* max_chained_mbufs: Default max number of small mbufs on a chain */
388#define SCTPCTL_MAX_CHAINED_MBUFS_DESC	"Default max number of small mbufs on a chain"
389#define SCTPCTL_MAX_CHAINED_MBUFS_MIN	0
390#define SCTPCTL_MAX_CHAINED_MBUFS_MAX	0xFFFFFFFF
391#define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT	SCTP_DEFAULT_MBUFS_IN_CHAIN
392
393/* do_sctp_drain: Should SCTP respond to the drain calls */
394#define SCTPCTL_DO_SCTP_DRAIN_DESC	"Should SCTP respond to the drain calls"
395#define SCTPCTL_DO_SCTP_DRAIN_MIN	0
396#define SCTPCTL_DO_SCTP_DRAIN_MAX	1
397#define SCTPCTL_DO_SCTP_DRAIN_DEFAULT	1
398
399/* hb_max_burst: Confirmation Heartbeat max burst? */
400#define SCTPCTL_HB_MAX_BURST_DESC	"Confirmation Heartbeat max burst"
401#define SCTPCTL_HB_MAX_BURST_MIN	1
402#define SCTPCTL_HB_MAX_BURST_MAX	0xFFFFFFFF
403#define SCTPCTL_HB_MAX_BURST_DEFAULT	SCTP_DEF_HBMAX_BURST
404
405/* abort_at_limit: When one-2-one hits qlimit abort */
406#define SCTPCTL_ABORT_AT_LIMIT_DESC	"When one-2-one hits qlimit abort"
407#define SCTPCTL_ABORT_AT_LIMIT_MIN	0
408#define SCTPCTL_ABORT_AT_LIMIT_MAX	1
409#define SCTPCTL_ABORT_AT_LIMIT_DEFAULT	0
410
411/* strict_data_order: Enforce strict data ordering, abort if control inside data */
412#define SCTPCTL_STRICT_DATA_ORDER_DESC	"Enforce strict data ordering, abort if control inside data"
413#define SCTPCTL_STRICT_DATA_ORDER_MIN	0
414#define SCTPCTL_STRICT_DATA_ORDER_MAX	1
415#define SCTPCTL_STRICT_DATA_ORDER_DEFAULT	0
416
417/* min_residual: min residual in a data fragment leftover */
418#define SCTPCTL_MIN_RESIDUAL_DESC	"Minimum residual data chunk in second part of split"
419#define SCTPCTL_MIN_RESIDUAL_MIN	20
420#define SCTPCTL_MIN_RESIDUAL_MAX	65535
421#define SCTPCTL_MIN_RESIDUAL_DEFAULT	1452
422
423/* max_retran_chunk: max chunk retransmissions */
424#define SCTPCTL_MAX_RETRAN_CHUNK_DESC	"Maximum times an unlucky chunk can be retran'd before assoc abort"
425#define SCTPCTL_MAX_RETRAN_CHUNK_MIN	0
426#define SCTPCTL_MAX_RETRAN_CHUNK_MAX	65535
427#define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT	30
428
429/* sctp_logging: This gives us logging when the options are enabled */
430#define SCTPCTL_LOGGING_LEVEL_DESC	"Ltrace/KTR trace logging level"
431#define SCTPCTL_LOGGING_LEVEL_MIN	0
432#define SCTPCTL_LOGGING_LEVEL_MAX	0xffffffff
433#define SCTPCTL_LOGGING_LEVEL_DEFAULT	0
434
435/* JRS - default congestion control module sysctl */
436#define SCTPCTL_DEFAULT_CC_MODULE_DESC		"Default congestion control module"
437#define SCTPCTL_DEFAULT_CC_MODULE_MIN		0
438#define SCTPCTL_DEFAULT_CC_MODULE_MAX		2
439#define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT	0
440
441/* RS - default stream scheduling module sysctl */
442#define SCTPCTL_DEFAULT_SS_MODULE_DESC		"Default stream scheduling module"
443#define SCTPCTL_DEFAULT_SS_MODULE_MIN		0
444#define SCTPCTL_DEFAULT_SS_MODULE_MAX		5
445#define SCTPCTL_DEFAULT_SS_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 port */
466#define SCTPCTL_UDP_TUNNELING_PORT_DESC		"Set the SCTP/UDP tunneling port"
467#define SCTPCTL_UDP_TUNNELING_PORT_MIN		0
468#define SCTPCTL_UDP_TUNNELING_PORT_MAX		65535
469#define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT	0
470
471/* Enable sending of the SACK-IMMEDIATELY bit */
472#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC	"Enable sending of the SACK-IMMEDIATELY-bit."
473#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN	0
474#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX	1
475#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT	SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN
476
477/* Enable sending of the NAT-FRIENDLY message */
478#define SCTPCTL_NAT_FRIENDLY_INITS_DESC	"Enable sending of the nat-friendly SCTP option on INITs."
479#define SCTPCTL_NAT_FRIENDLY_INITS_MIN	0
480#define SCTPCTL_NAT_FRIENDLY_INITS_MAX	1
481#define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT	SCTPCTL_NAT_FRIENDLY_INITS_MIN
482
483/* Vtag time wait in seconds */
484#define SCTPCTL_TIME_WAIT_DESC	"Vtag time wait time in seconds, 0 disables it."
485#define SCTPCTL_TIME_WAIT_MIN	0
486#define SCTPCTL_TIME_WAIT_MAX	0xffffffff
487#define SCTPCTL_TIME_WAIT_DEFAULT	SCTP_TIME_WAIT
488
489/* Enable Send/Receive buffer splitting */
490#define SCTPCTL_BUFFER_SPLITTING_DESC		"Enable send/receive buffer splitting."
491#define SCTPCTL_BUFFER_SPLITTING_MIN		0
492#define SCTPCTL_BUFFER_SPLITTING_MAX		0x3
493#define SCTPCTL_BUFFER_SPLITTING_DEFAULT	SCTPCTL_BUFFER_SPLITTING_MIN
494
495/* Initial congestion window in MTU */
496#define SCTPCTL_INITIAL_CWND_DESC	"Initial congestion window in MTUs"
497#define SCTPCTL_INITIAL_CWND_MIN	0
498#define SCTPCTL_INITIAL_CWND_MAX	0xffffffff
499#define SCTPCTL_INITIAL_CWND_DEFAULT	3
500
501/* rttvar smooth avg for bw calc  */
502#define SCTPCTL_RTTVAR_BW_DESC	"Shift amount for bw smoothing on rtt calc"
503#define SCTPCTL_RTTVAR_BW_MIN	0
504#define SCTPCTL_RTTVAR_BW_MAX	32
505#define SCTPCTL_RTTVAR_BW_DEFAULT	4
506
507/* rttvar smooth avg for bw calc  */
508#define SCTPCTL_RTTVAR_RTT_DESC	"Shift amount for rtt smoothing on rtt calc"
509#define SCTPCTL_RTTVAR_RTT_MIN	0
510#define SCTPCTL_RTTVAR_RTT_MAX	32
511#define SCTPCTL_RTTVAR_RTT_DEFAULT	5
512
513#define SCTPCTL_RTTVAR_EQRET_DESC	"What to return when rtt and bw are unchanged"
514#define SCTPCTL_RTTVAR_EQRET_MIN	0
515#define SCTPCTL_RTTVAR_EQRET_MAX	1
516#define SCTPCTL_RTTVAR_EQRET_DEFAULT	0
517
518#define SCTPCTL_RTTVAR_STEADYS_DESC	"How many the sames it takes to try step down of cwnd"
519#define SCTPCTL_RTTVAR_STEADYS_MIN	0
520#define SCTPCTL_RTTVAR_STEADYS_MAX	0xFFFF
521#define SCTPCTL_RTTVAR_STEADYS_DEFAULT	20	/* 0 means disable feature */
522
523#define SCTPCTL_RTTVAR_DCCCECN_DESC	"Enable for RTCC CC datacenter ECN"
524#define SCTPCTL_RTTVAR_DCCCECN_MIN	0
525#define SCTPCTL_RTTVAR_DCCCECN_MAX	1
526#define SCTPCTL_RTTVAR_DCCCECN_DEFAULT	1	/* 0 means disable feature */
527
528#define SCTPCTL_BLACKHOLE_DESC		"Enable SCTP blackholing"
529#define SCTPCTL_BLACKHOLE_MIN		0
530#define SCTPCTL_BLACKHOLE_MAX		2
531#define SCTPCTL_BLACKHOLE_DEFAULT	SCTPCTL_BLACKHOLE_MIN
532
533#define SCTPCTL_DIAG_INFO_CODE_DESC	"Diagnostic information error cause code"
534#define SCTPCTL_DIAG_INFO_CODE_MIN	0
535#define SCTPCTL_DIAG_INFO_CODE_MAX	65535
536#define SCTPCTL_DIAG_INFO_CODE_DEFAULT	0
537
538#if defined(SCTP_DEBUG)
539/* debug: Configure debug output */
540#define SCTPCTL_DEBUG_DESC	"Configure debug output"
541#define SCTPCTL_DEBUG_MIN	0
542#define SCTPCTL_DEBUG_MAX	0xFFFFFFFF
543#define SCTPCTL_DEBUG_DEFAULT	0
544#endif
545
546
547#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
548#define SCTPCTL_OUTPUT_UNLOCKED_DESC	"Unlock socket when sending packets down to IP."
549#define SCTPCTL_OUTPUT_UNLOCKED_MIN	0
550#define SCTPCTL_OUTPUT_UNLOCKED_MAX	1
551#define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT	SCTPCTL_OUTPUT_UNLOCKED_MIN
552#endif
553
554
555#if defined(_KERNEL) || defined(__Userspace__)
556#if defined(SYSCTL_DECL)
557SYSCTL_DECL(_net_inet_sctp);
558#endif
559
560void sctp_init_sysctls(void);
561
562#endif				/* _KERNEL */
563#endif				/* __sctp_sysctl_h__ */
564