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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/sctp/src/netinet/sctp_sysctl.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/sctp/src/netinet/sctp_sysctl.h')
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diff --git a/netwerk/sctp/src/netinet/sctp_sysctl.h b/netwerk/sctp/src/netinet/sctp_sysctl.h
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+++ b/netwerk/sctp/src/netinet/sctp_sysctl.h
@@ -0,0 +1,631 @@
+/*-
+ * 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 271204 2014-09-06 19:12:14Z 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_pr_enable;
+ uint32_t sctp_auth_enable;
+ uint32_t sctp_asconf_enable;
+ uint32_t sctp_reconfig_enable;
+ uint32_t sctp_nrsack_enable;
+ uint32_t sctp_pktdrop_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;
+ uint32_t sctp_use_cwnd_based_maxburst;
+ 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;
+ uint32_t sctp_diag_info_code;
+#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 1
+
+/* 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
+
+/* pr_enable: Enable PR-SCTP */
+#define SCTPCTL_PR_ENABLE_DESC "Enable PR-SCTP"
+#define SCTPCTL_PR_ENABLE_MIN 0
+#define SCTPCTL_PR_ENABLE_MAX 1
+#define SCTPCTL_PR_ENABLE_DEFAULT 1
+
+/* auth_enable: Enable SCTP AUTH function */
+#define SCTPCTL_AUTH_ENABLE_DESC "Enable SCTP AUTH function"
+#define SCTPCTL_AUTH_ENABLE_MIN 0
+#define SCTPCTL_AUTH_ENABLE_MAX 1
+#define SCTPCTL_AUTH_ENABLE_DEFAULT 1
+
+/* asconf_enable: Enable SCTP ASCONF */
+#define SCTPCTL_ASCONF_ENABLE_DESC "Enable SCTP ASCONF"
+#define SCTPCTL_ASCONF_ENABLE_MIN 0
+#define SCTPCTL_ASCONF_ENABLE_MAX 1
+#define SCTPCTL_ASCONF_ENABLE_DEFAULT 1
+
+/* reconfig_enable: Enable SCTP RE-CONFIG */
+#define SCTPCTL_RECONFIG_ENABLE_DESC "Enable SCTP RE-CONFIG"
+#define SCTPCTL_RECONFIG_ENABLE_MIN 0
+#define SCTPCTL_RECONFIG_ENABLE_MAX 1
+#define SCTPCTL_RECONFIG_ENABLE_DEFAULT 1
+
+/* nrsack_enable: Enable NR_SACK */
+#define SCTPCTL_NRSACK_ENABLE_DESC "Enable SCTP NR-SACK"
+#define SCTPCTL_NRSACK_ENABLE_MIN 0
+#define SCTPCTL_NRSACK_ENABLE_MAX 1
+#define SCTPCTL_NRSACK_ENABLE_DEFAULT 0
+
+/* pktdrop_enable: Enable SCTP Packet Drop Reports */
+#define SCTPCTL_PKTDROP_ENABLE_DESC "Enable SCTP PKTDROP"
+#define SCTPCTL_PKTDROP_ENABLE_MIN 0
+#define SCTPCTL_PKTDROP_ENABLE_MAX 1
+#define SCTPCTL_PKTDROP_ENABLE_DEFAULT 0
+
+/* 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
+
+/* 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
+
+/* 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 0
+
+/* 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 0
+
+/* 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
+#if defined(__FreeBSD__)
+#define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT 0
+#else
+#define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT SCTP_OVER_UDP_TUNNELING_PORT
+#endif
+
+/* 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
+
+#define SCTPCTL_DIAG_INFO_CODE_DESC "Diagnostic information error cause code"
+#define SCTPCTL_DIAG_INFO_CODE_MIN 0
+#define SCTPCTL_DIAG_INFO_CODE_MAX 65535
+#define SCTPCTL_DIAG_INFO_CODE_DEFAULT 0
+
+#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_DESC "Address watchdog limit"
+#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_DESC "VTag watchdog limit"
+#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__ */