The Tor Browser / file revision

 /*-

  * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.

  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.

  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions are met:

  *

  * a) Redistributions of source code must retain the above copyright notice,

  *    this list of conditions and the following disclaimer.

  *

  * b) Redistributions in binary form must reproduce the above copyright

  *    notice, this list of conditions and the following disclaimer in

  *    the documentation and/or other materials provided with the distribution.

  *

  * c) Neither the name of Cisco Systems, Inc. nor the names of its

  *    contributors may be used to endorse or promote products derived

  *    from this software without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

  * THE POSSIBILITY OF SUCH DAMAGE.

  */

 #ifdef __FreeBSD__

 #include <sys/cdefs.h>

 __FBSDID("$FreeBSD: head/sys/netinet/sctp_sysctl.h 252779 2013-07-05 10:08:49Z tuexen $");

 #endif

 #ifndef _NETINET_SCTP_SYSCTL_H_

 #define _NETINET_SCTP_SYSCTL_H_

 #include <netinet/sctp_os.h>

 #include <netinet/sctp_constants.h>

 struct sctp_sysctl {

 	uint32_t sctp_sendspace;

 	uint32_t sctp_recvspace;

 	uint32_t sctp_auto_asconf;

 	uint32_t sctp_multiple_asconfs;

 	uint32_t sctp_ecn_enable;

 	uint32_t sctp_fr_max_burst_default;

 	uint32_t sctp_strict_sacks;

 #if !(defined(__FreeBSD__) && __FreeBSD_version >= 800000)

 #if !defined(SCTP_WITH_NO_CSUM)

 	uint32_t sctp_no_csum_on_loopback;

 #endif

 #endif

 	uint32_t sctp_peer_chunk_oh;

 	uint32_t sctp_max_burst_default;

 	uint32_t sctp_max_chunks_on_queue;

 	uint32_t sctp_hashtblsize;

 	uint32_t sctp_pcbtblsize;

 	uint32_t sctp_min_split_point;

 	uint32_t sctp_chunkscale;

 	uint32_t sctp_delayed_sack_time_default;

 	uint32_t sctp_sack_freq_default;

 	uint32_t sctp_system_free_resc_limit;

 	uint32_t sctp_asoc_free_resc_limit;

 	uint32_t sctp_heartbeat_interval_default;

 	uint32_t sctp_pmtu_raise_time_default;

 	uint32_t sctp_shutdown_guard_time_default;

 	uint32_t sctp_secret_lifetime_default;

 	uint32_t sctp_rto_max_default;

 	uint32_t sctp_rto_min_default;

 	uint32_t sctp_rto_initial_default;

 	uint32_t sctp_init_rto_max_default;

 	uint32_t sctp_valid_cookie_life_default;

 	uint32_t sctp_init_rtx_max_default;

 	uint32_t sctp_assoc_rtx_max_default;

 	uint32_t sctp_path_rtx_max_default;

 	uint32_t sctp_path_pf_threshold;

 	uint32_t sctp_add_more_threshold;

 	uint32_t sctp_nr_incoming_streams_default;

 	uint32_t sctp_nr_outgoing_streams_default;

 	uint32_t sctp_cmt_on_off;

 	uint32_t sctp_cmt_use_dac;

 	/* EY 5/5/08 - nr_sack flag variable */

 	uint32_t sctp_nr_sack_on_off;

 	uint32_t sctp_use_cwnd_based_maxburst;

 	uint32_t sctp_asconf_auth_nochk;

 	uint32_t sctp_auth_disable;

 	uint32_t sctp_nat_friendly;

 	uint32_t sctp_L2_abc_variable;

 	uint32_t sctp_mbuf_threshold_count;

 	uint32_t sctp_do_drain;

 	uint32_t sctp_hb_maxburst;

 	uint32_t sctp_abort_if_one_2_one_hits_limit;

 	uint32_t sctp_strict_data_order;

 	uint32_t sctp_min_residual;

 	uint32_t sctp_max_retran_chunk;

 	uint32_t sctp_logging_level;

 	/* JRS - Variable for default congestion control module */

 	uint32_t sctp_default_cc_module;

 	/* RS - Variable for default stream scheduling module */

 	uint32_t sctp_default_ss_module;

 	uint32_t sctp_default_frag_interleave;

 	uint32_t sctp_mobility_base;

 	uint32_t sctp_mobility_fasthandoff;

 	uint32_t sctp_inits_include_nat_friendly;

 	uint32_t sctp_rttvar_bw;

 	uint32_t sctp_rttvar_rtt;

 	uint32_t sctp_rttvar_eqret;

 	uint32_t sctp_steady_step;

 	uint32_t sctp_use_dccc_ecn;

 #if defined(SCTP_LOCAL_TRACE_BUF)

 #if defined(__Windows__)

 	struct sctp_log *sctp_log;

 #else

 	struct sctp_log sctp_log;

 #endif

 #endif

 	uint32_t sctp_udp_tunneling_port;

 	uint32_t sctp_enable_sack_immediately;

 	uint32_t sctp_vtag_time_wait;

 	uint32_t sctp_buffer_splitting;

 	uint32_t sctp_initial_cwnd;

 	uint32_t sctp_blackhole;

 #if defined(SCTP_DEBUG)

 	uint32_t sctp_debug_on;

 #endif

 #if defined(__APPLE__)

 	uint32_t sctp_ignore_vmware_interfaces;

 	uint32_t sctp_main_timer;

 	uint32_t sctp_addr_watchdog_limit;

 	uint32_t sctp_vtag_watchdog_limit;

 #endif

 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)

 	uint32_t sctp_output_unlocked;

 #endif

 };

 /*

  * limits for the sysctl variables

  */

 /* maxdgram: Maximum outgoing SCTP buffer size */

 #define SCTPCTL_MAXDGRAM_DESC		"Maximum outgoing SCTP buffer size"

 #define SCTPCTL_MAXDGRAM_MIN		0

 #define SCTPCTL_MAXDGRAM_MAX		0xFFFFFFFF

 #define SCTPCTL_MAXDGRAM_DEFAULT	262144	/* 256k */

 /* recvspace: Maximum incoming SCTP buffer size */

 #define SCTPCTL_RECVSPACE_DESC		"Maximum incoming SCTP buffer size"

 #define SCTPCTL_RECVSPACE_MIN		0

 #define SCTPCTL_RECVSPACE_MAX		0xFFFFFFFF

 #define SCTPCTL_RECVSPACE_DEFAULT	262144	/* 256k */

 /* autoasconf: Enable SCTP Auto-ASCONF */

 #define SCTPCTL_AUTOASCONF_DESC		"Enable SCTP Auto-ASCONF"

 #define SCTPCTL_AUTOASCONF_MIN		0

 #define SCTPCTL_AUTOASCONF_MAX		1

 #define SCTPCTL_AUTOASCONF_DEFAULT	SCTP_DEFAULT_AUTO_ASCONF

 /* autoasconf: Enable SCTP Auto-ASCONF */

 #define SCTPCTL_MULTIPLEASCONFS_DESC	"Enable SCTP Muliple-ASCONFs"

 #define SCTPCTL_MULTIPLEASCONFS_MIN	0

 #define SCTPCTL_MULTIPLEASCONFS_MAX	1

 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT	SCTP_DEFAULT_MULTIPLE_ASCONFS

 /* ecn_enable: Enable SCTP ECN */

 #define SCTPCTL_ECN_ENABLE_DESC		"Enable SCTP ECN"

 #define SCTPCTL_ECN_ENABLE_MIN		0

 #define SCTPCTL_ECN_ENABLE_MAX		1

 #define SCTPCTL_ECN_ENABLE_DEFAULT	1

 /* strict_sacks: Enable SCTP Strict SACK checking */

 #define SCTPCTL_STRICT_SACKS_DESC	"Enable SCTP Strict SACK checking"

 #define SCTPCTL_STRICT_SACKS_MIN	0

 #define SCTPCTL_STRICT_SACKS_MAX	1

 #define SCTPCTL_STRICT_SACKS_DEFAULT	1

 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */

 #define SCTPCTL_LOOPBACK_NOCSUM_DESC	"Enable NO Csum on packets sent on loopback"

 #define SCTPCTL_LOOPBACK_NOCSUM_MIN	0

 #define SCTPCTL_LOOPBACK_NOCSUM_MAX	1

 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT	1

 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */

 #define SCTPCTL_PEER_CHKOH_DESC		"Amount to debit peers rwnd per chunk sent"

 #define SCTPCTL_PEER_CHKOH_MIN		0

 #define SCTPCTL_PEER_CHKOH_MAX		0xFFFFFFFF

 #define SCTPCTL_PEER_CHKOH_DEFAULT	256

 /* maxburst: Default max burst for sctp endpoints */

 #define SCTPCTL_MAXBURST_DESC		"Default max burst for sctp endpoints"

 #define SCTPCTL_MAXBURST_MIN		0

 #define SCTPCTL_MAXBURST_MAX		0xFFFFFFFF

 #define SCTPCTL_MAXBURST_DEFAULT	SCTP_DEF_MAX_BURST

 /* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */

 #define SCTPCTL_FRMAXBURST_DESC		"Default fr max burst for sctp endpoints"

 #define SCTPCTL_FRMAXBURST_MIN		0

 #define SCTPCTL_FRMAXBURST_MAX		0xFFFFFFFF

 #define SCTPCTL_FRMAXBURST_DEFAULT	SCTP_DEF_FRMAX_BURST

 /* maxchunks: Default max chunks on queue per asoc */

 #define SCTPCTL_MAXCHUNKS_DESC		"Default max chunks on queue per asoc"

 #define SCTPCTL_MAXCHUNKS_MIN		0

 #define SCTPCTL_MAXCHUNKS_MAX		0xFFFFFFFF

 #define SCTPCTL_MAXCHUNKS_DEFAULT	SCTP_ASOC_MAX_CHUNKS_ON_QUEUE

 /* tcbhashsize: Tunable for Hash table sizes */

 #define SCTPCTL_TCBHASHSIZE_DESC	"Tunable for TCB hash table sizes"

 #define SCTPCTL_TCBHASHSIZE_MIN		1

 #define SCTPCTL_TCBHASHSIZE_MAX		0xFFFFFFFF

 #define SCTPCTL_TCBHASHSIZE_DEFAULT	SCTP_TCBHASHSIZE

 /* pcbhashsize: Tunable for PCB Hash table sizes */

 #define SCTPCTL_PCBHASHSIZE_DESC	"Tunable for PCB hash table sizes"

 #define SCTPCTL_PCBHASHSIZE_MIN		1

 #define SCTPCTL_PCBHASHSIZE_MAX		0xFFFFFFFF

 #define SCTPCTL_PCBHASHSIZE_DEFAULT	SCTP_PCBHASHSIZE

 /* min_split_point: Minimum size when splitting a chunk */

 #define SCTPCTL_MIN_SPLIT_POINT_DESC	"Minimum size when splitting a chunk"

 #define SCTPCTL_MIN_SPLIT_POINT_MIN	0

 #define SCTPCTL_MIN_SPLIT_POINT_MAX	0xFFFFFFFF

 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT	SCTP_DEFAULT_SPLIT_POINT_MIN

 /* chunkscale: Tunable for Scaling of number of chunks and messages */

 #define SCTPCTL_CHUNKSCALE_DESC		"Tunable for Scaling of number of chunks and messages"

 #define SCTPCTL_CHUNKSCALE_MIN		1

 #define SCTPCTL_CHUNKSCALE_MAX		0xFFFFFFFF

 #define SCTPCTL_CHUNKSCALE_DEFAULT	SCTP_CHUNKQUEUE_SCALE

 /* delayed_sack_time: Default delayed SACK timer in ms */

 #define SCTPCTL_DELAYED_SACK_TIME_DESC	"Default delayed SACK timer in ms"

 #define SCTPCTL_DELAYED_SACK_TIME_MIN	0

 #define SCTPCTL_DELAYED_SACK_TIME_MAX	0xFFFFFFFF

 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT	SCTP_RECV_MSEC

 /* sack_freq: Default SACK frequency */

 #define SCTPCTL_SACK_FREQ_DESC		"Default SACK frequency"

 #define SCTPCTL_SACK_FREQ_MIN		0

 #define SCTPCTL_SACK_FREQ_MAX		0xFFFFFFFF

 #define SCTPCTL_SACK_FREQ_DEFAULT	SCTP_DEFAULT_SACK_FREQ

 /* sys_resource: Max number of cached resources in the system */

 #define SCTPCTL_SYS_RESOURCE_DESC	"Max number of cached resources in the system"

 #define SCTPCTL_SYS_RESOURCE_MIN	0

 #define SCTPCTL_SYS_RESOURCE_MAX	0xFFFFFFFF

 #define SCTPCTL_SYS_RESOURCE_DEFAULT	SCTP_DEF_SYSTEM_RESC_LIMIT

 /* asoc_resource: Max number of cached resources in an asoc */

 #define SCTPCTL_ASOC_RESOURCE_DESC	"Max number of cached resources in an asoc"

 #define SCTPCTL_ASOC_RESOURCE_MIN	0

 #define SCTPCTL_ASOC_RESOURCE_MAX	0xFFFFFFFF

 #define SCTPCTL_ASOC_RESOURCE_DEFAULT	SCTP_DEF_ASOC_RESC_LIMIT

 /* heartbeat_interval: Default heartbeat interval in ms */

 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC	"Default heartbeat interval in ms"

 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN	0

 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX	0xFFFFFFFF

 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT	SCTP_HB_DEFAULT_MSEC

 /* pmtu_raise_time: Default PMTU raise timer in seconds */

 #define SCTPCTL_PMTU_RAISE_TIME_DESC	"Default PMTU raise timer in seconds"

 #define SCTPCTL_PMTU_RAISE_TIME_MIN	0

 #define SCTPCTL_PMTU_RAISE_TIME_MAX	0xFFFFFFFF

 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT	SCTP_DEF_PMTU_RAISE_SEC

 /* shutdown_guard_time: Default shutdown guard timer in seconds */

 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC	"Default shutdown guard timer in seconds"

 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN		0

 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX		0xFFFFFFFF

 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT	SCTP_DEF_MAX_SHUTDOWN_SEC

 /* secret_lifetime: Default secret lifetime in seconds */

 #define SCTPCTL_SECRET_LIFETIME_DESC	"Default secret lifetime in seconds"

 #define SCTPCTL_SECRET_LIFETIME_MIN	0

 #define SCTPCTL_SECRET_LIFETIME_MAX	0xFFFFFFFF

 #define SCTPCTL_SECRET_LIFETIME_DEFAULT	SCTP_DEFAULT_SECRET_LIFE_SEC

 /* rto_max: Default maximum retransmission timeout in ms */

 #define SCTPCTL_RTO_MAX_DESC		"Default maximum retransmission timeout in ms"

 #define SCTPCTL_RTO_MAX_MIN		0

 #define SCTPCTL_RTO_MAX_MAX		0xFFFFFFFF

 #define SCTPCTL_RTO_MAX_DEFAULT		SCTP_RTO_UPPER_BOUND

 /* rto_min: Default minimum retransmission timeout in ms */

 #define SCTPCTL_RTO_MIN_DESC		"Default minimum retransmission timeout in ms"

 #define SCTPCTL_RTO_MIN_MIN		0

 #define SCTPCTL_RTO_MIN_MAX		0xFFFFFFFF

 #define SCTPCTL_RTO_MIN_DEFAULT		SCTP_RTO_LOWER_BOUND

 /* rto_initial: Default initial retransmission timeout in ms */

 #define SCTPCTL_RTO_INITIAL_DESC	"Default initial retransmission timeout in ms"

 #define SCTPCTL_RTO_INITIAL_MIN		0

 #define SCTPCTL_RTO_INITIAL_MAX		0xFFFFFFFF

 #define SCTPCTL_RTO_INITIAL_DEFAULT	SCTP_RTO_INITIAL

 /* init_rto_max: Default maximum retransmission timeout during association setup in ms */

 #define SCTPCTL_INIT_RTO_MAX_DESC	"Default maximum retransmission timeout during association setup in ms"

 #define SCTPCTL_INIT_RTO_MAX_MIN	0

 #define SCTPCTL_INIT_RTO_MAX_MAX	0xFFFFFFFF

 #define SCTPCTL_INIT_RTO_MAX_DEFAULT	SCTP_RTO_UPPER_BOUND

 /* valid_cookie_life: Default cookie lifetime in sec */

 #define SCTPCTL_VALID_COOKIE_LIFE_DESC	"Default cookie lifetime in seconds"

 #define SCTPCTL_VALID_COOKIE_LIFE_MIN	0

 #define SCTPCTL_VALID_COOKIE_LIFE_MAX	0xFFFFFFFF

 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT	SCTP_DEFAULT_COOKIE_LIFE

 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */

 #define SCTPCTL_INIT_RTX_MAX_DESC	"Default maximum number of retransmission for INIT chunks"

 #define SCTPCTL_INIT_RTX_MAX_MIN	0

 #define SCTPCTL_INIT_RTX_MAX_MAX	0xFFFFFFFF

 #define SCTPCTL_INIT_RTX_MAX_DEFAULT	SCTP_DEF_MAX_INIT

 /* assoc_rtx_max: Default maximum number of retransmissions per association */

 #define SCTPCTL_ASSOC_RTX_MAX_DESC	"Default maximum number of retransmissions per association"

 #define SCTPCTL_ASSOC_RTX_MAX_MIN	0

 #define SCTPCTL_ASSOC_RTX_MAX_MAX	0xFFFFFFFF

 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT	SCTP_DEF_MAX_SEND

 /* path_rtx_max: Default maximum of retransmissions per path */

 #define SCTPCTL_PATH_RTX_MAX_DESC	"Default maximum of retransmissions per path"

 #define SCTPCTL_PATH_RTX_MAX_MIN	0

 #define SCTPCTL_PATH_RTX_MAX_MAX	0xFFFFFFFF

 #define SCTPCTL_PATH_RTX_MAX_DEFAULT	SCTP_DEF_MAX_PATH_RTX

 /* path_pf_threshold: threshold for considering the path potentially failed */

 #define SCTPCTL_PATH_PF_THRESHOLD_DESC		"Default potentially failed threshold"

 #define SCTPCTL_PATH_PF_THRESHOLD_MIN		0

 #define SCTPCTL_PATH_PF_THRESHOLD_MAX		0xFFFF

 #define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT	SCTPCTL_PATH_PF_THRESHOLD_MAX

 /* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */

 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC	"When space-wise is it worthwhile to try to add more to a socket send buffer"

 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN	0

 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX	0xFFFFFFFF

 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE

 /* incoming_streams: Default number of incoming streams */

 #define SCTPCTL_INCOMING_STREAMS_DESC	"Default number of incoming streams"

 #define SCTPCTL_INCOMING_STREAMS_MIN	1

 #define SCTPCTL_INCOMING_STREAMS_MAX	65535

 #define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL

 /* outgoing_streams: Default number of outgoing streams */

 #define SCTPCTL_OUTGOING_STREAMS_DESC	"Default number of outgoing streams"

 #define SCTPCTL_OUTGOING_STREAMS_MIN	1

 #define SCTPCTL_OUTGOING_STREAMS_MAX	65535

 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL

 /* cmt_on_off: CMT on/off flag */

 #define SCTPCTL_CMT_ON_OFF_DESC		"CMT settings"

 #define SCTPCTL_CMT_ON_OFF_MIN		SCTP_CMT_OFF

 #define SCTPCTL_CMT_ON_OFF_MAX		SCTP_CMT_MAX

 #define SCTPCTL_CMT_ON_OFF_DEFAULT	SCTP_CMT_OFF

 /* EY - nr_sack_on_off: NR_SACK on/off flag */

 #define SCTPCTL_NR_SACK_ON_OFF_DESC	"NR_SACK on/off flag"

 #define SCTPCTL_NR_SACK_ON_OFF_MIN	0

 #define SCTPCTL_NR_SACK_ON_OFF_MAX	1

 #define SCTPCTL_NR_SACK_ON_OFF_DEFAULT	0

 /* cmt_use_dac: CMT DAC on/off flag */

 #define SCTPCTL_CMT_USE_DAC_DESC	"CMT DAC on/off flag"

 #define SCTPCTL_CMT_USE_DAC_MIN		0

 #define SCTPCTL_CMT_USE_DAC_MAX		1

 #define SCTPCTL_CMT_USE_DAC_DEFAULT    	0

 /* cwnd_maxburst: Use a CWND adjusting maxburst */

 #define SCTPCTL_CWND_MAXBURST_DESC	"Use a CWND adjusting maxburst"

 #define SCTPCTL_CWND_MAXBURST_MIN	0

 #define SCTPCTL_CWND_MAXBURST_MAX	1

 #define SCTPCTL_CWND_MAXBURST_DEFAULT	1

 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */

 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC	"Disable SCTP ASCONF AUTH requirement"

 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN	0

 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX	1

 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT	0

 /* auth_disable: Disable SCTP AUTH function */

 #define SCTPCTL_AUTH_DISABLE_DESC	"Disable SCTP AUTH function"

 #define SCTPCTL_AUTH_DISABLE_MIN	0

 #define SCTPCTL_AUTH_DISABLE_MAX	1

 #define SCTPCTL_AUTH_DISABLE_DEFAULT	0

 /* nat_friendly: SCTP NAT friendly operation */

 #define SCTPCTL_NAT_FRIENDLY_DESC	"SCTP NAT friendly operation"

 #define SCTPCTL_NAT_FRIENDLY_MIN	0

 #define SCTPCTL_NAT_FRIENDLY_MAX	1

 #define SCTPCTL_NAT_FRIENDLY_DEFAULT	1

 /* abc_l_var: SCTP ABC max increase per SACK (L) */

 #define SCTPCTL_ABC_L_VAR_DESC		"SCTP ABC max increase per SACK (L)"

 #define SCTPCTL_ABC_L_VAR_MIN		0

 #define SCTPCTL_ABC_L_VAR_MAX		0xFFFFFFFF

 #define SCTPCTL_ABC_L_VAR_DEFAULT	2

 /* max_chained_mbufs: Default max number of small mbufs on a chain */

 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC	"Default max number of small mbufs on a chain"

 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN	0

 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX	0xFFFFFFFF

 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT	SCTP_DEFAULT_MBUFS_IN_CHAIN

 /* do_sctp_drain: Should SCTP respond to the drain calls */

 #define SCTPCTL_DO_SCTP_DRAIN_DESC	"Should SCTP respond to the drain calls"

 #define SCTPCTL_DO_SCTP_DRAIN_MIN	0

 #define SCTPCTL_DO_SCTP_DRAIN_MAX	1

 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT	1

 /* hb_max_burst: Confirmation Heartbeat max burst? */

 #define SCTPCTL_HB_MAX_BURST_DESC	"Confirmation Heartbeat max burst"

 #define SCTPCTL_HB_MAX_BURST_MIN	1

 #define SCTPCTL_HB_MAX_BURST_MAX	0xFFFFFFFF

 #define SCTPCTL_HB_MAX_BURST_DEFAULT	SCTP_DEF_HBMAX_BURST

 /* abort_at_limit: When one-2-one hits qlimit abort */

 #define SCTPCTL_ABORT_AT_LIMIT_DESC	"When one-2-one hits qlimit abort"

 #define SCTPCTL_ABORT_AT_LIMIT_MIN	0

 #define SCTPCTL_ABORT_AT_LIMIT_MAX	1

 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT	0

 /* strict_data_order: Enforce strict data ordering, abort if control inside data */

 #define SCTPCTL_STRICT_DATA_ORDER_DESC	"Enforce strict data ordering, abort if control inside data"

 #define SCTPCTL_STRICT_DATA_ORDER_MIN	0

 #define SCTPCTL_STRICT_DATA_ORDER_MAX	1

 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT	0

 /* min_residual: min residual in a data fragment leftover */

 #define SCTPCTL_MIN_RESIDUAL_DESC	"Minimum residual data chunk in second part of split"

 #define SCTPCTL_MIN_RESIDUAL_MIN	20

 #define SCTPCTL_MIN_RESIDUAL_MAX	65535

 #define SCTPCTL_MIN_RESIDUAL_DEFAULT	1452

 /* max_retran_chunk: max chunk retransmissions */

 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC	"Maximum times an unlucky chunk can be retran'd before assoc abort"

 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN	0

 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX	65535

 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT	30

 /* sctp_logging: This gives us logging when the options are enabled */

 #define SCTPCTL_LOGGING_LEVEL_DESC	"Ltrace/KTR trace logging level"

 #define SCTPCTL_LOGGING_LEVEL_MIN	0

 #define SCTPCTL_LOGGING_LEVEL_MAX	0xffffffff

 #define SCTPCTL_LOGGING_LEVEL_DEFAULT	0

 /* JRS - default congestion control module sysctl */

 #define SCTPCTL_DEFAULT_CC_MODULE_DESC		"Default congestion control module"

 #define SCTPCTL_DEFAULT_CC_MODULE_MIN		0

 #define SCTPCTL_DEFAULT_CC_MODULE_MAX		2

 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT	0

 /* RS - default stream scheduling module sysctl */

 #define SCTPCTL_DEFAULT_SS_MODULE_DESC		"Default stream scheduling module"

 #define SCTPCTL_DEFAULT_SS_MODULE_MIN		0

 #define SCTPCTL_DEFAULT_SS_MODULE_MAX		5

 #define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT	0

 /* RRS - default fragment interleave */

 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC	"Default fragment interleave level"

 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN	0

 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX	2

 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT	1

 /* mobility_base: Enable SCTP mobility support */

 #define SCTPCTL_MOBILITY_BASE_DESC	"Enable SCTP base mobility"

 #define SCTPCTL_MOBILITY_BASE_MIN	0

 #define SCTPCTL_MOBILITY_BASE_MAX	1

 #define SCTPCTL_MOBILITY_BASE_DEFAULT	SCTP_DEFAULT_MOBILITY_BASE

 /* mobility_fasthandoff: Enable SCTP fast handoff support */

 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC	"Enable SCTP fast handoff"

 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN	0

 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX	1

 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT	SCTP_DEFAULT_MOBILITY_FASTHANDOFF

 /* Enable SCTP/UDP tunneling port */

 #define SCTPCTL_UDP_TUNNELING_PORT_DESC		"Set the SCTP/UDP tunneling port"

 #define SCTPCTL_UDP_TUNNELING_PORT_MIN		0

 #define SCTPCTL_UDP_TUNNELING_PORT_MAX		65535

 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT	SCTP_OVER_UDP_TUNNELING_PORT

 /* Enable sending of the SACK-IMMEDIATELY bit */

 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC	"Enable sending of the SACK-IMMEDIATELY-bit."

 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN	0

 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX	1

 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT	SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN

 /* Enable sending of the NAT-FRIENDLY message */

 #define SCTPCTL_NAT_FRIENDLY_INITS_DESC	"Enable sending of the nat-friendly SCTP option on INITs."

 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN	0

 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX	1

 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT	SCTPCTL_NAT_FRIENDLY_INITS_MIN

 /* Vtag time wait in seconds */

 #define SCTPCTL_TIME_WAIT_DESC	"Vtag time wait time in seconds, 0 disables it."

 #define SCTPCTL_TIME_WAIT_MIN	0

 #define SCTPCTL_TIME_WAIT_MAX	0xffffffff

 #define SCTPCTL_TIME_WAIT_DEFAULT	SCTP_TIME_WAIT

 /* Enable Send/Receive buffer splitting */

 #define SCTPCTL_BUFFER_SPLITTING_DESC		"Enable send/receive buffer splitting."

 #define SCTPCTL_BUFFER_SPLITTING_MIN		0

 #define SCTPCTL_BUFFER_SPLITTING_MAX		0x3

 #define SCTPCTL_BUFFER_SPLITTING_DEFAULT	SCTPCTL_BUFFER_SPLITTING_MIN

 /* Initial congestion window in MTU */

 #define SCTPCTL_INITIAL_CWND_DESC	"Initial congestion window in MTUs"

 #define SCTPCTL_INITIAL_CWND_MIN	0

 #define SCTPCTL_INITIAL_CWND_MAX	0xffffffff

 #define SCTPCTL_INITIAL_CWND_DEFAULT	3

 /* rttvar smooth avg for bw calc  */

 #define SCTPCTL_RTTVAR_BW_DESC	"Shift amount for bw smoothing on rtt calc"

 #define SCTPCTL_RTTVAR_BW_MIN	0

 #define SCTPCTL_RTTVAR_BW_MAX	32

 #define SCTPCTL_RTTVAR_BW_DEFAULT	4

 /* rttvar smooth avg for bw calc  */

 #define SCTPCTL_RTTVAR_RTT_DESC	"Shift amount for rtt smoothing on rtt calc"

 #define SCTPCTL_RTTVAR_RTT_MIN	0

 #define SCTPCTL_RTTVAR_RTT_MAX	32

 #define SCTPCTL_RTTVAR_RTT_DEFAULT	5

 #define SCTPCTL_RTTVAR_EQRET_DESC	"What to return when rtt and bw are unchanged"

 #define SCTPCTL_RTTVAR_EQRET_MIN	0

 #define SCTPCTL_RTTVAR_EQRET_MAX	1

 #define SCTPCTL_RTTVAR_EQRET_DEFAULT	0

 #define SCTPCTL_RTTVAR_STEADYS_DESC	"How many the sames it takes to try step down of cwnd"

 #define SCTPCTL_RTTVAR_STEADYS_MIN	0

 #define SCTPCTL_RTTVAR_STEADYS_MAX	0xFFFF

 #define SCTPCTL_RTTVAR_STEADYS_DEFAULT	20 /* 0 means disable feature */

 #define SCTPCTL_RTTVAR_DCCCECN_DESC	"Enable for RTCC CC datacenter ECN"

 #define SCTPCTL_RTTVAR_DCCCECN_MIN	0

 #define SCTPCTL_RTTVAR_DCCCECN_MAX	1

 #define SCTPCTL_RTTVAR_DCCCECN_DEFAULT	1 /* 0 means disable feature */

 #define SCTPCTL_BLACKHOLE_DESC		"Enable SCTP blackholing"

 #define SCTPCTL_BLACKHOLE_MIN		0

 #define SCTPCTL_BLACKHOLE_MAX		2

 #define SCTPCTL_BLACKHOLE_DEFAULT	SCTPCTL_BLACKHOLE_MIN

 #if defined(SCTP_DEBUG)

 /* debug: Configure debug output */

 #define SCTPCTL_DEBUG_DESC	"Configure debug output"

 #define SCTPCTL_DEBUG_MIN	0

 #define SCTPCTL_DEBUG_MAX	0xFFFFFFFF

 #define SCTPCTL_DEBUG_DEFAULT	0

 #endif

 #if defined(__APPLE__)

 #define SCTPCTL_MAIN_TIMER_DESC		"Main timer interval in ms"

 #define SCTPCTL_MAIN_TIMER_MIN		1

 #define SCTPCTL_MAIN_TIMER_MAX		0xFFFFFFFF

 #define SCTPCTL_MAIN_TIMER_DEFAULT	10

 #define SCTPCTL_IGNORE_VMWARE_INTERFACES_DESC		"Ignore VMware Interfaces"

 #define SCTPCTL_IGNORE_VMWARE_INTERFACES_MIN		0

 #define SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX		1

 #define SCTPCTL_IGNORE_VMWARE_INTERFACES_DEFAULT	SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX

 #endif

 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)

 #define SCTPCTL_OUTPUT_UNLOCKED_DESC	"Unlock socket when sending packets down to IP."

 #define SCTPCTL_OUTPUT_UNLOCKED_MIN	0

 #define SCTPCTL_OUTPUT_UNLOCKED_MAX	1

 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT	SCTPCTL_OUTPUT_UNLOCKED_MIN

 #endif

 #if defined(__APPLE__)

 #define	SCTPCTL_ADDR_WATCHDOG_LIMIT_MIN	0

 #define	SCTPCTL_ADDR_WATCHDOG_LIMIT_MAX	0xFFFFFFFF

 #define	SCTPCTL_ADDR_WATCHDOG_LIMIT_DEFAULT	SCTPCTL_ADDR_WATCHDOG_LIMIT_MIN

 #define	SCTPCTL_VTAG_WATCHDOG_LIMIT_MIN	0

 #define	SCTPCTL_VTAG_WATCHDOG_LIMIT_MAX	0xFFFFFFFF

 #define	SCTPCTL_VTAG_WATCHDOG_LIMIT_DEFAULT	SCTPCTL_VTAG_WATCHDOG_LIMIT_MIN

 #endif

 #if defined(_KERNEL) || defined(__Userspace__)

 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__)

 #if defined(SYSCTL_DECL)

 SYSCTL_DECL(_net_inet_sctp);

 #endif

 #endif

 void sctp_init_sysctls(void);

 #if defined(__Windows__)

 void sctp_finish_sysctls(void);

 #endif

 #endif /* _KERNEL */

 #endif /* __sctp_sysctl_h__ */