c58e60be43
If set to 1, no ABORT is sent back in response to an incoming INIT. If set to 2, no ABORT is sent back in response to an out of the blue packet. If set to 0 (the default), ABORTs are sent. Discussed with rrs@. MFC after: 1 month.
554 lines
22 KiB
C
554 lines
22 KiB
C
/*-
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* Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2008-2011, by Randall Stewart. All rights reserved.
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* Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* a) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* b) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* c) Neither the name of Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifndef __sctp_sysctl_h__
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#define __sctp_sysctl_h__
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#include <netinet/sctp_os.h>
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#include <netinet/sctp_constants.h>
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struct sctp_sysctl {
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uint32_t sctp_sendspace;
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uint32_t sctp_recvspace;
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uint32_t sctp_auto_asconf;
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uint32_t sctp_multiple_asconfs;
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uint32_t sctp_ecn_enable;
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uint32_t sctp_fr_max_burst_default;
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uint32_t sctp_strict_sacks;
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#if !defined(SCTP_WITH_NO_CSUM)
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uint32_t sctp_no_csum_on_loopback;
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#endif
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uint32_t sctp_peer_chunk_oh;
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uint32_t sctp_max_burst_default;
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uint32_t sctp_max_chunks_on_queue;
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uint32_t sctp_hashtblsize;
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uint32_t sctp_pcbtblsize;
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uint32_t sctp_min_split_point;
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uint32_t sctp_chunkscale;
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uint32_t sctp_delayed_sack_time_default;
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uint32_t sctp_sack_freq_default;
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uint32_t sctp_system_free_resc_limit;
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uint32_t sctp_asoc_free_resc_limit;
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uint32_t sctp_heartbeat_interval_default;
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uint32_t sctp_pmtu_raise_time_default;
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uint32_t sctp_shutdown_guard_time_default;
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uint32_t sctp_secret_lifetime_default;
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uint32_t sctp_rto_max_default;
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uint32_t sctp_rto_min_default;
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uint32_t sctp_rto_initial_default;
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uint32_t sctp_init_rto_max_default;
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uint32_t sctp_valid_cookie_life_default;
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uint32_t sctp_init_rtx_max_default;
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uint32_t sctp_assoc_rtx_max_default;
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uint32_t sctp_path_rtx_max_default;
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uint32_t sctp_path_pf_threshold;
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uint32_t sctp_add_more_threshold;
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uint32_t sctp_nr_outgoing_streams_default;
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uint32_t sctp_cmt_on_off;
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uint32_t sctp_cmt_use_dac;
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/* EY 5/5/08 - nr_sack flag variable */
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uint32_t sctp_nr_sack_on_off;
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uint32_t sctp_use_cwnd_based_maxburst;
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uint32_t sctp_asconf_auth_nochk;
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uint32_t sctp_auth_disable;
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uint32_t sctp_nat_friendly;
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uint32_t sctp_L2_abc_variable;
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uint32_t sctp_mbuf_threshold_count;
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uint32_t sctp_do_drain;
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uint32_t sctp_hb_maxburst;
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uint32_t sctp_abort_if_one_2_one_hits_limit;
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uint32_t sctp_strict_data_order;
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uint32_t sctp_min_residual;
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uint32_t sctp_max_retran_chunk;
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uint32_t sctp_logging_level;
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/* JRS - Variable for default congestion control module */
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uint32_t sctp_default_cc_module;
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/* RS - Variable for default stream scheduling module */
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uint32_t sctp_default_ss_module;
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uint32_t sctp_default_frag_interleave;
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uint32_t sctp_mobility_base;
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uint32_t sctp_mobility_fasthandoff;
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uint32_t sctp_inits_include_nat_friendly;
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uint32_t sctp_rttvar_bw;
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uint32_t sctp_rttvar_rtt;
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uint32_t sctp_rttvar_eqret;
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uint32_t sctp_steady_step;
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uint32_t sctp_use_dccc_ecn;
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#if defined(SCTP_LOCAL_TRACE_BUF)
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struct sctp_log sctp_log;
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#endif
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uint32_t sctp_udp_tunneling_port;
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uint32_t sctp_enable_sack_immediately;
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uint32_t sctp_vtag_time_wait;
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uint32_t sctp_buffer_splitting;
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uint32_t sctp_initial_cwnd;
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uint32_t sctp_blackhole;
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#if defined(SCTP_DEBUG)
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uint32_t sctp_debug_on;
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#endif
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#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
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uint32_t sctp_output_unlocked;
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#endif
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};
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/*
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* limits for the sysctl variables
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*/
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/* maxdgram: Maximum outgoing SCTP buffer size */
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#define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size"
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#define SCTPCTL_MAXDGRAM_MIN 0
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#define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF
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#define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */
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/* recvspace: Maximum incoming SCTP buffer size */
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#define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size"
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#define SCTPCTL_RECVSPACE_MIN 0
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#define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF
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#define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */
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/* autoasconf: Enable SCTP Auto-ASCONF */
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#define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF"
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#define SCTPCTL_AUTOASCONF_MIN 0
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#define SCTPCTL_AUTOASCONF_MAX 1
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#define SCTPCTL_AUTOASCONF_DEFAULT SCTP_DEFAULT_AUTO_ASCONF
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/* autoasconf: Enable SCTP Auto-ASCONF */
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#define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Muliple-ASCONFs"
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#define SCTPCTL_MULTIPLEASCONFS_MIN 0
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#define SCTPCTL_MULTIPLEASCONFS_MAX 1
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#define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS
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/* ecn_enable: Enable SCTP ECN */
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#define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN"
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#define SCTPCTL_ECN_ENABLE_MIN 0
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#define SCTPCTL_ECN_ENABLE_MAX 1
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#define SCTPCTL_ECN_ENABLE_DEFAULT 1
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/* strict_sacks: Enable SCTP Strict SACK checking */
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#define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking"
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#define SCTPCTL_STRICT_SACKS_MIN 0
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#define SCTPCTL_STRICT_SACKS_MAX 1
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#define SCTPCTL_STRICT_SACKS_DEFAULT 1
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/* loopback_nocsum: Enable NO Csum on packets sent on loopback */
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#define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback"
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#define SCTPCTL_LOOPBACK_NOCSUM_MIN 0
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#define SCTPCTL_LOOPBACK_NOCSUM_MAX 1
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#define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1
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/* peer_chkoh: Amount to debit peers rwnd per chunk sent */
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#define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent"
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#define SCTPCTL_PEER_CHKOH_MIN 0
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#define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF
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#define SCTPCTL_PEER_CHKOH_DEFAULT 256
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/* maxburst: Default max burst for sctp endpoints */
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#define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints"
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#define SCTPCTL_MAXBURST_MIN 0
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#define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF
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#define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST
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/* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */
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#define SCTPCTL_FRMAXBURST_DESC "Default fr max burst for sctp endpoints"
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#define SCTPCTL_FRMAXBURST_MIN 0
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#define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF
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#define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST
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/* maxchunks: Default max chunks on queue per asoc */
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#define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc"
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#define SCTPCTL_MAXCHUNKS_MIN 0
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#define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF
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#define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
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/* tcbhashsize: Tunable for Hash table sizes */
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#define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes"
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#define SCTPCTL_TCBHASHSIZE_MIN 1
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#define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF
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#define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE
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/* pcbhashsize: Tunable for PCB Hash table sizes */
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#define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes"
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#define SCTPCTL_PCBHASHSIZE_MIN 1
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#define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF
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#define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE
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/* min_split_point: Minimum size when splitting a chunk */
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#define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk"
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#define SCTPCTL_MIN_SPLIT_POINT_MIN 0
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#define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF
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#define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN
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/* chunkscale: Tunable for Scaling of number of chunks and messages */
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#define SCTPCTL_CHUNKSCALE_DESC "Tunable for Scaling of number of chunks and messages"
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#define SCTPCTL_CHUNKSCALE_MIN 1
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#define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF
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#define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE
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/* delayed_sack_time: Default delayed SACK timer in ms */
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#define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms"
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#define SCTPCTL_DELAYED_SACK_TIME_MIN 0
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#define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF
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#define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC
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/* sack_freq: Default SACK frequency */
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#define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency"
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#define SCTPCTL_SACK_FREQ_MIN 0
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#define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF
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#define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ
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/* sys_resource: Max number of cached resources in the system */
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#define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system"
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#define SCTPCTL_SYS_RESOURCE_MIN 0
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#define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF
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#define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT
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/* asoc_resource: Max number of cached resources in an asoc */
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#define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc"
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#define SCTPCTL_ASOC_RESOURCE_MIN 0
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#define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF
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#define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT
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/* heartbeat_interval: Default heartbeat interval in ms */
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#define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms"
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#define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0
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#define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF
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#define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC
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/* pmtu_raise_time: Default PMTU raise timer in seconds */
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#define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds"
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#define SCTPCTL_PMTU_RAISE_TIME_MIN 0
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#define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF
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#define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC
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/* shutdown_guard_time: Default shutdown guard timer in seconds */
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#define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Default shutdown guard timer in seconds"
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#define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0
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#define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF
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#define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT SCTP_DEF_MAX_SHUTDOWN_SEC
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/* secret_lifetime: Default secret lifetime in seconds */
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#define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds"
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#define SCTPCTL_SECRET_LIFETIME_MIN 0
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#define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF
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#define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC
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/* rto_max: Default maximum retransmission timeout in ms */
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#define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms"
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#define SCTPCTL_RTO_MAX_MIN 0
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#define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF
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#define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND
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/* rto_min: Default minimum retransmission timeout in ms */
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#define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms"
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#define SCTPCTL_RTO_MIN_MIN 0
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#define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF
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#define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND
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/* rto_initial: Default initial retransmission timeout in ms */
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#define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms"
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#define SCTPCTL_RTO_INITIAL_MIN 0
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#define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF
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#define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL
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/* init_rto_max: Default maximum retransmission timeout during association setup in ms */
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#define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms"
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#define SCTPCTL_INIT_RTO_MAX_MIN 0
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#define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF
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#define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND
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/* valid_cookie_life: Default cookie lifetime in sec */
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#define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in seconds"
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#define SCTPCTL_VALID_COOKIE_LIFE_MIN 0
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#define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF
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#define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE
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/* init_rtx_max: Default maximum number of retransmission for INIT chunks */
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#define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks"
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#define SCTPCTL_INIT_RTX_MAX_MIN 0
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#define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF
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#define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT
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/* assoc_rtx_max: Default maximum number of retransmissions per association */
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#define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association"
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#define SCTPCTL_ASSOC_RTX_MAX_MIN 0
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#define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF
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#define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND
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/* path_rtx_max: Default maximum of retransmissions per path */
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#define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path"
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#define SCTPCTL_PATH_RTX_MAX_MIN 0
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#define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF
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#define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX
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/* path_pf_threshold: threshold for considering the path potentially failed */
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#define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold"
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#define SCTPCTL_PATH_PF_THRESHOLD_MIN 0
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#define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF
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#define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX
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/* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */
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#define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer"
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#define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0
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#define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF
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#define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
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/* outgoing_streams: Default number of outgoing streams */
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#define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams"
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#define SCTPCTL_OUTGOING_STREAMS_MIN 1
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#define SCTPCTL_OUTGOING_STREAMS_MAX 65535
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#define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
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/* cmt_on_off: CMT on/off flag */
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#define SCTPCTL_CMT_ON_OFF_DESC "CMT settings"
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#define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF
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#define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX
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#define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF
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/* EY - nr_sack_on_off: NR_SACK on/off flag */
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#define SCTPCTL_NR_SACK_ON_OFF_DESC "NR_SACK on/off flag"
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#define SCTPCTL_NR_SACK_ON_OFF_MIN 0
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#define SCTPCTL_NR_SACK_ON_OFF_MAX 1
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#define SCTPCTL_NR_SACK_ON_OFF_DEFAULT 0
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/* cmt_use_dac: CMT DAC on/off flag */
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#define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag"
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#define SCTPCTL_CMT_USE_DAC_MIN 0
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#define SCTPCTL_CMT_USE_DAC_MAX 1
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#define SCTPCTL_CMT_USE_DAC_DEFAULT 0
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/* cwnd_maxburst: Use a CWND adjusting maxburst */
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#define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst"
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#define SCTPCTL_CWND_MAXBURST_MIN 0
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#define SCTPCTL_CWND_MAXBURST_MAX 1
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#define SCTPCTL_CWND_MAXBURST_DEFAULT 1
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/* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */
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#define SCTPCTL_ASCONF_AUTH_NOCHK_DESC "Disable SCTP ASCONF AUTH requirement"
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#define SCTPCTL_ASCONF_AUTH_NOCHK_MIN 0
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#define SCTPCTL_ASCONF_AUTH_NOCHK_MAX 1
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#define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT 0
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/* auth_disable: Disable SCTP AUTH function */
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#define SCTPCTL_AUTH_DISABLE_DESC "Disable SCTP AUTH function"
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#define SCTPCTL_AUTH_DISABLE_MIN 0
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#define SCTPCTL_AUTH_DISABLE_MAX 1
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#define SCTPCTL_AUTH_DISABLE_DEFAULT 0
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/* nat_friendly: SCTP NAT friendly operation */
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#define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation"
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#define SCTPCTL_NAT_FRIENDLY_MIN 0
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#define SCTPCTL_NAT_FRIENDLY_MAX 1
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#define SCTPCTL_NAT_FRIENDLY_DEFAULT 1
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/* abc_l_var: SCTP ABC max increase per SACK (L) */
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#define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)"
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#define SCTPCTL_ABC_L_VAR_MIN 0
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#define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF
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#define SCTPCTL_ABC_L_VAR_DEFAULT 1
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/* max_chained_mbufs: Default max number of small mbufs on a chain */
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#define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain"
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#define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0
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#define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF
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#define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN
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/* do_sctp_drain: Should SCTP respond to the drain calls */
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#define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls"
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#define SCTPCTL_DO_SCTP_DRAIN_MIN 0
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#define SCTPCTL_DO_SCTP_DRAIN_MAX 1
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#define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1
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/* hb_max_burst: Confirmation Heartbeat max burst? */
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#define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst"
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#define SCTPCTL_HB_MAX_BURST_MIN 1
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#define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF
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#define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST
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/* abort_at_limit: When one-2-one hits qlimit abort */
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#define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort"
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#define SCTPCTL_ABORT_AT_LIMIT_MIN 0
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#define SCTPCTL_ABORT_AT_LIMIT_MAX 1
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#define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0
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/* strict_data_order: Enforce strict data ordering, abort if control inside data */
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#define SCTPCTL_STRICT_DATA_ORDER_DESC "Enforce strict data ordering, abort if control inside data"
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#define SCTPCTL_STRICT_DATA_ORDER_MIN 0
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#define SCTPCTL_STRICT_DATA_ORDER_MAX 1
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#define SCTPCTL_STRICT_DATA_ORDER_DEFAULT 0
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/* min_residual: min residual in a data fragment leftover */
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#define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split"
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#define SCTPCTL_MIN_RESIDUAL_MIN 20
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#define SCTPCTL_MIN_RESIDUAL_MAX 65535
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#define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452
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/* max_retran_chunk: max chunk retransmissions */
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#define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retran'd before assoc abort"
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#define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0
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#define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535
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#define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30
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/* sctp_logging: This gives us logging when the options are enabled */
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#define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level"
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#define SCTPCTL_LOGGING_LEVEL_MIN 0
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#define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff
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#define SCTPCTL_LOGGING_LEVEL_DEFAULT 0
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/* JRS - default congestion control module sysctl */
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#define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module"
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#define SCTPCTL_DEFAULT_CC_MODULE_MIN 0
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#define SCTPCTL_DEFAULT_CC_MODULE_MAX 2
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#define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0
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/* RS - default stream scheduling module sysctl */
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#define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module"
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#define SCTPCTL_DEFAULT_SS_MODULE_MIN 0
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#define SCTPCTL_DEFAULT_SS_MODULE_MAX 5
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#define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0
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/* RRS - default fragment interleave */
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#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level"
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#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0
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#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2
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#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1
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/* mobility_base: Enable SCTP mobility support */
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#define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility"
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#define SCTPCTL_MOBILITY_BASE_MIN 0
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#define SCTPCTL_MOBILITY_BASE_MAX 1
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#define SCTPCTL_MOBILITY_BASE_DEFAULT SCTP_DEFAULT_MOBILITY_BASE
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/* mobility_fasthandoff: Enable SCTP fast handoff support */
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#define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff"
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#define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0
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#define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1
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#define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT SCTP_DEFAULT_MOBILITY_FASTHANDOFF
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/* Enable SCTP/UDP tunneling port */
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#define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port"
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#define SCTPCTL_UDP_TUNNELING_PORT_MIN 0
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#define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535
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#define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT SCTP_OVER_UDP_TUNNELING_PORT
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/* Enable sending of the SACK-IMMEDIATELY bit */
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#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit."
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#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0
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#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1
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#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN
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/* Enable sending of the NAT-FRIENDLY message */
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#define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs."
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#define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0
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#define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1
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#define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN
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/* Vtag time wait in seconds */
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#define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it."
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#define SCTPCTL_TIME_WAIT_MIN 0
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#define SCTPCTL_TIME_WAIT_MAX 0xffffffff
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#define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT
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/* Enable Send/Receive buffer splitting */
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#define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting."
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#define SCTPCTL_BUFFER_SPLITTING_MIN 0
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#define SCTPCTL_BUFFER_SPLITTING_MAX 0x3
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#define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN
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/* Initial congestion window in MTU */
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#define SCTPCTL_INITIAL_CWND_DESC "Initial congestion window in MTUs"
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#define SCTPCTL_INITIAL_CWND_MIN 0
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#define SCTPCTL_INITIAL_CWND_MAX 0xffffffff
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#define SCTPCTL_INITIAL_CWND_DEFAULT 3
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/* rttvar smooth avg for bw calc */
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#define SCTPCTL_RTTVAR_BW_DESC "Shift amount for bw smoothing on rtt calc"
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#define SCTPCTL_RTTVAR_BW_MIN 0
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#define SCTPCTL_RTTVAR_BW_MAX 32
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#define SCTPCTL_RTTVAR_BW_DEFAULT 4
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/* rttvar smooth avg for bw calc */
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#define SCTPCTL_RTTVAR_RTT_DESC "Shift amount for rtt smoothing on rtt calc"
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#define SCTPCTL_RTTVAR_RTT_MIN 0
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#define SCTPCTL_RTTVAR_RTT_MAX 32
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#define SCTPCTL_RTTVAR_RTT_DEFAULT 5
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#define SCTPCTL_RTTVAR_EQRET_DESC "What to return when rtt and bw are unchanged"
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#define SCTPCTL_RTTVAR_EQRET_MIN 0
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#define SCTPCTL_RTTVAR_EQRET_MAX 1
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#define SCTPCTL_RTTVAR_EQRET_DEFAULT 0
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#define SCTPCTL_RTTVAR_STEADYS_DESC "How many the sames it takes to try step down of cwnd"
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#define SCTPCTL_RTTVAR_STEADYS_MIN 0
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#define SCTPCTL_RTTVAR_STEADYS_MAX 0xFFFF
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#define SCTPCTL_RTTVAR_STEADYS_DEFAULT 20 /* 0 means disable feature */
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#define SCTPCTL_RTTVAR_DCCCECN_DESC "Enable for RTCC CC datacenter ECN"
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#define SCTPCTL_RTTVAR_DCCCECN_MIN 0
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#define SCTPCTL_RTTVAR_DCCCECN_MAX 1
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#define SCTPCTL_RTTVAR_DCCCECN_DEFAULT 1 /* 0 means disable feature */
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#define SCTPCTL_BLACKHOLE_DESC "Enable SCTP blackholing"
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#define SCTPCTL_BLACKHOLE_MIN 0
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#define SCTPCTL_BLACKHOLE_MAX 2
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#define SCTPCTL_BLACKHOLE_DEFAULT SCTPCTL_BLACKHOLE_MIN
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#if defined(SCTP_DEBUG)
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/* debug: Configure debug output */
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#define SCTPCTL_DEBUG_DESC "Configure debug output"
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#define SCTPCTL_DEBUG_MIN 0
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#define SCTPCTL_DEBUG_MAX 0xFFFFFFFF
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#define SCTPCTL_DEBUG_DEFAULT 0
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#endif
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#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
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#define SCTPCTL_OUTPUT_UNLOCKED_DESC "Unlock socket when sending packets down to IP."
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#define SCTPCTL_OUTPUT_UNLOCKED_MIN 0
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#define SCTPCTL_OUTPUT_UNLOCKED_MAX 1
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#define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN
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#endif
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#if defined(_KERNEL) || defined(__Userspace__)
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#if defined(SYSCTL_DECL)
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SYSCTL_DECL(_net_inet_sctp);
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#endif
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void sctp_init_sysctls(void);
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#endif /* _KERNEL */
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#endif /* __sctp_sysctl_h__ */
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