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569 lines
23 KiB
C
569 lines
23 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
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* Copyright (c) 2008-2012, 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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#ifndef _NETINET_SCTP_SYSCTL_H_
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#define _NETINET_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_pr_enable;
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uint32_t sctp_auth_enable;
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uint32_t sctp_asconf_enable;
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uint32_t sctp_reconfig_enable;
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uint32_t sctp_nrsack_enable;
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uint32_t sctp_pktdrop_enable;
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uint32_t sctp_fr_max_burst_default;
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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_incoming_streams_default;
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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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uint32_t sctp_use_cwnd_based_maxburst;
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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_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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uint32_t sctp_sendall_limit;
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uint32_t sctp_diag_info_code;
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uint32_t sctp_ootb_with_zero_cksum;
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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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};
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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 1
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/* autoasconf: Enable SCTP Auto-ASCONF */
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#define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Multiple-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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/* pr_enable: Enable PR-SCTP */
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#define SCTPCTL_PR_ENABLE_DESC "Enable PR-SCTP"
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#define SCTPCTL_PR_ENABLE_MIN 0
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#define SCTPCTL_PR_ENABLE_MAX 1
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#define SCTPCTL_PR_ENABLE_DEFAULT 1
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/* auth_enable: Enable SCTP AUTH function */
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#define SCTPCTL_AUTH_ENABLE_DESC "Enable SCTP AUTH function"
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#define SCTPCTL_AUTH_ENABLE_MIN 0
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#define SCTPCTL_AUTH_ENABLE_MAX 1
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#define SCTPCTL_AUTH_ENABLE_DEFAULT 1
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/* asconf_enable: Enable SCTP ASCONF */
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#define SCTPCTL_ASCONF_ENABLE_DESC "Enable SCTP ASCONF"
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#define SCTPCTL_ASCONF_ENABLE_MIN 0
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#define SCTPCTL_ASCONF_ENABLE_MAX 1
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#define SCTPCTL_ASCONF_ENABLE_DEFAULT 1
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/* reconfig_enable: Enable SCTP RE-CONFIG */
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#define SCTPCTL_RECONFIG_ENABLE_DESC "Enable SCTP RE-CONFIG"
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#define SCTPCTL_RECONFIG_ENABLE_MIN 0
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#define SCTPCTL_RECONFIG_ENABLE_MAX 1
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#define SCTPCTL_RECONFIG_ENABLE_DEFAULT 1
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/* nrsack_enable: Enable NR_SACK */
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#define SCTPCTL_NRSACK_ENABLE_DESC "Enable SCTP NR-SACK"
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#define SCTPCTL_NRSACK_ENABLE_MIN 0
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#define SCTPCTL_NRSACK_ENABLE_MAX 1
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#define SCTPCTL_NRSACK_ENABLE_DEFAULT 0
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/* pktdrop_enable: Enable SCTP Packet Drop Reports */
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#define SCTPCTL_PKTDROP_ENABLE_DESC "Enable SCTP PKTDROP"
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#define SCTPCTL_PKTDROP_ENABLE_MIN 0
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#define SCTPCTL_PKTDROP_ENABLE_MAX 1
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#define SCTPCTL_PKTDROP_ENABLE_DEFAULT 0
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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 max burst for SCTP endpoints when fast retransmitting"
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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 "Shutdown guard timer in seconds (0 means 5 times RTO.Max)"
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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 0
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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 ms */
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#define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in ms"
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#define SCTPCTL_VALID_COOKIE_LIFE_MIN SCTP_MIN_COOKIE_LIFE
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#define SCTPCTL_VALID_COOKIE_LIFE_MAX SCTP_MAX_COOKIE_LIFE
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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 retransmissions 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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/* incoming_streams: Default number of incoming streams */
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#define SCTPCTL_INCOMING_STREAMS_DESC "Default number of incoming streams"
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#define SCTPCTL_INCOMING_STREAMS_MIN 1
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#define SCTPCTL_INCOMING_STREAMS_MAX 65535
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#define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL
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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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/* 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 to implement maxburst */
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#define SCTPCTL_CWND_MAXBURST_DESC "Adjust congestion control window to limit maximum burst when sending"
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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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/* 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 2
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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 "Abort when one-to-one hits qlimit"
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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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/* 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 retransmitted 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 0
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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 0
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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 0
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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_MAX
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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 MTUs */
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#define SCTPCTL_INITIAL_CWND_DESC "Defines the initial congestion window size 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 DCCC uses 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 DCCC uses 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 "Whether DCCC increases cwnd when the 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 "Number of identical bw measurements DCCC 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 ECN for DCCC."
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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, see blackhole(4) for more details"
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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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/* sendall_limit: Maximum message with SCTP_SENDALL */
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#define SCTPCTL_SENDALL_LIMIT_DESC "Maximum size of a message send with SCTP_SENDALL"
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#define SCTPCTL_SENDALL_LIMIT_MIN 0
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#define SCTPCTL_SENDALL_LIMIT_MAX 0xFFFFFFFF
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#define SCTPCTL_SENDALL_LIMIT_DEFAULT 1432
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#define SCTPCTL_DIAG_INFO_CODE_DESC "Diagnostic information error cause code"
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#define SCTPCTL_DIAG_INFO_CODE_MIN 0
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#define SCTPCTL_DIAG_INFO_CODE_MAX 65535
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#define SCTPCTL_DIAG_INFO_CODE_DEFAULT 0
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#define SCTPCTL_OOTB_WITH_ZERO_CKSUM_DESC "Accept OOTB packets with zero checksum"
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#define SCTPCTL_OOTB_WITH_ZERO_CKSUM_MIN 0
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#define SCTPCTL_OOTB_WITH_ZERO_CKSUM_MAX 1
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#define SCTPCTL_OOTB_WITH_ZERO_CKSUM_DEFAULT 0
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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(_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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