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/*-
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/netinet/sctp_sysctl.h 238249 2012-07-08 15:37:58Z tuexen $");
#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;
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_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)
struct sctp_log sctp_log;
#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__) || 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
/* 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__) || 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(_KERNEL) || defined(__Userspace__)
#if defined(SYSCTL_DECL)
SYSCTL_DECL(_net_inet_sctp);
#endif
void sctp_init_sysctls(void);
#endif /* _KERNEL */
#endif /* __sctp_sysctl_h__ */