/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * a) Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * b) Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the distribution. * * c) Neither the name of Cisco Systems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _NETINET_SCTP_SYSCTL_H_ #define _NETINET_SCTP_SYSCTL_H_ #include #include struct sctp_sysctl { uint32_t sctp_sendspace; uint32_t sctp_recvspace; uint32_t sctp_auto_asconf; uint32_t sctp_multiple_asconfs; uint32_t sctp_ecn_enable; uint32_t sctp_pr_enable; uint32_t sctp_auth_enable; uint32_t sctp_asconf_enable; uint32_t sctp_reconfig_enable; uint32_t sctp_nrsack_enable; uint32_t sctp_pktdrop_enable; uint32_t sctp_fr_max_burst_default; uint32_t sctp_peer_chunk_oh; uint32_t sctp_max_burst_default; uint32_t sctp_max_chunks_on_queue; uint32_t sctp_hashtblsize; uint32_t sctp_pcbtblsize; uint32_t sctp_min_split_point; uint32_t sctp_chunkscale; uint32_t sctp_delayed_sack_time_default; uint32_t sctp_sack_freq_default; uint32_t sctp_system_free_resc_limit; uint32_t sctp_asoc_free_resc_limit; uint32_t sctp_heartbeat_interval_default; uint32_t sctp_pmtu_raise_time_default; uint32_t sctp_shutdown_guard_time_default; uint32_t sctp_secret_lifetime_default; uint32_t sctp_rto_max_default; uint32_t sctp_rto_min_default; uint32_t sctp_rto_initial_default; uint32_t sctp_init_rto_max_default; uint32_t sctp_valid_cookie_life_default; uint32_t sctp_init_rtx_max_default; uint32_t sctp_assoc_rtx_max_default; uint32_t sctp_path_rtx_max_default; uint32_t sctp_path_pf_threshold; uint32_t sctp_add_more_threshold; uint32_t sctp_nr_incoming_streams_default; uint32_t sctp_nr_outgoing_streams_default; uint32_t sctp_cmt_on_off; uint32_t sctp_cmt_use_dac; uint32_t sctp_use_cwnd_based_maxburst; uint32_t sctp_nat_friendly; uint32_t sctp_L2_abc_variable; uint32_t sctp_mbuf_threshold_count; uint32_t sctp_do_drain; uint32_t sctp_hb_maxburst; uint32_t sctp_abort_if_one_2_one_hits_limit; uint32_t sctp_min_residual; uint32_t sctp_max_retran_chunk; uint32_t sctp_logging_level; /* JRS - Variable for default congestion control module */ uint32_t sctp_default_cc_module; /* RS - Variable for default stream scheduling module */ uint32_t sctp_default_ss_module; uint32_t sctp_default_frag_interleave; uint32_t sctp_mobility_base; uint32_t sctp_mobility_fasthandoff; uint32_t sctp_inits_include_nat_friendly; uint32_t sctp_rttvar_bw; uint32_t sctp_rttvar_rtt; uint32_t sctp_rttvar_eqret; uint32_t sctp_steady_step; uint32_t sctp_use_dccc_ecn; #if defined(SCTP_LOCAL_TRACE_BUF) struct sctp_log sctp_log; #endif uint32_t sctp_udp_tunneling_port; uint32_t sctp_enable_sack_immediately; uint32_t sctp_vtag_time_wait; uint32_t sctp_buffer_splitting; uint32_t sctp_initial_cwnd; uint32_t sctp_blackhole; uint32_t sctp_sendall_limit; uint32_t sctp_diag_info_code; uint32_t sctp_ootb_with_zero_cksum; #if defined(SCTP_DEBUG) uint32_t sctp_debug_on; #endif }; /* * limits for the sysctl variables */ /* maxdgram: Maximum outgoing SCTP buffer size */ #define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size" #define SCTPCTL_MAXDGRAM_MIN 0 #define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF #define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */ /* recvspace: Maximum incoming SCTP buffer size */ #define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size" #define SCTPCTL_RECVSPACE_MIN 0 #define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF #define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */ /* autoasconf: Enable SCTP Auto-ASCONF */ #define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF" #define SCTPCTL_AUTOASCONF_MIN 0 #define SCTPCTL_AUTOASCONF_MAX 1 #define SCTPCTL_AUTOASCONF_DEFAULT 1 /* autoasconf: Enable SCTP Auto-ASCONF */ #define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Multiple-ASCONFs" #define SCTPCTL_MULTIPLEASCONFS_MIN 0 #define SCTPCTL_MULTIPLEASCONFS_MAX 1 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS /* ecn_enable: Enable SCTP ECN */ #define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN" #define SCTPCTL_ECN_ENABLE_MIN 0 #define SCTPCTL_ECN_ENABLE_MAX 1 #define SCTPCTL_ECN_ENABLE_DEFAULT 1 /* pr_enable: Enable PR-SCTP */ #define SCTPCTL_PR_ENABLE_DESC "Enable PR-SCTP" #define SCTPCTL_PR_ENABLE_MIN 0 #define SCTPCTL_PR_ENABLE_MAX 1 #define SCTPCTL_PR_ENABLE_DEFAULT 1 /* auth_enable: Enable SCTP AUTH function */ #define SCTPCTL_AUTH_ENABLE_DESC "Enable SCTP AUTH function" #define SCTPCTL_AUTH_ENABLE_MIN 0 #define SCTPCTL_AUTH_ENABLE_MAX 1 #define SCTPCTL_AUTH_ENABLE_DEFAULT 1 /* asconf_enable: Enable SCTP ASCONF */ #define SCTPCTL_ASCONF_ENABLE_DESC "Enable SCTP ASCONF" #define SCTPCTL_ASCONF_ENABLE_MIN 0 #define SCTPCTL_ASCONF_ENABLE_MAX 1 #define SCTPCTL_ASCONF_ENABLE_DEFAULT 1 /* reconfig_enable: Enable SCTP RE-CONFIG */ #define SCTPCTL_RECONFIG_ENABLE_DESC "Enable SCTP RE-CONFIG" #define SCTPCTL_RECONFIG_ENABLE_MIN 0 #define SCTPCTL_RECONFIG_ENABLE_MAX 1 #define SCTPCTL_RECONFIG_ENABLE_DEFAULT 1 /* nrsack_enable: Enable NR_SACK */ #define SCTPCTL_NRSACK_ENABLE_DESC "Enable SCTP NR-SACK" #define SCTPCTL_NRSACK_ENABLE_MIN 0 #define SCTPCTL_NRSACK_ENABLE_MAX 1 #define SCTPCTL_NRSACK_ENABLE_DEFAULT 0 /* pktdrop_enable: Enable SCTP Packet Drop Reports */ #define SCTPCTL_PKTDROP_ENABLE_DESC "Enable SCTP PKTDROP" #define SCTPCTL_PKTDROP_ENABLE_MIN 0 #define SCTPCTL_PKTDROP_ENABLE_MAX 1 #define SCTPCTL_PKTDROP_ENABLE_DEFAULT 0 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */ #define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" #define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 #define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */ #define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" #define SCTPCTL_PEER_CHKOH_MIN 0 #define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF #define SCTPCTL_PEER_CHKOH_DEFAULT 256 /* maxburst: Default max burst for sctp endpoints */ #define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" #define SCTPCTL_MAXBURST_MIN 0 #define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF #define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST /* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */ #define SCTPCTL_FRMAXBURST_DESC "Default max burst for SCTP endpoints when fast retransmitting" #define SCTPCTL_FRMAXBURST_MIN 0 #define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF #define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST /* maxchunks: Default max chunks on queue per asoc */ #define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" #define SCTPCTL_MAXCHUNKS_MIN 0 #define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF #define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE /* tcbhashsize: Tunable for Hash table sizes */ #define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" #define SCTPCTL_TCBHASHSIZE_MIN 1 #define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF #define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE /* pcbhashsize: Tunable for PCB Hash table sizes */ #define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" #define SCTPCTL_PCBHASHSIZE_MIN 1 #define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF #define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE /* min_split_point: Minimum size when splitting a chunk */ #define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" #define SCTPCTL_MIN_SPLIT_POINT_MIN 0 #define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN /* chunkscale: Tunable for Scaling of number of chunks and messages */ #define SCTPCTL_CHUNKSCALE_DESC "Tunable for scaling of number of chunks and messages" #define SCTPCTL_CHUNKSCALE_MIN 1 #define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF #define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE /* delayed_sack_time: Default delayed SACK timer in ms */ #define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms" #define SCTPCTL_DELAYED_SACK_TIME_MIN 0 #define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC /* sack_freq: Default SACK frequency */ #define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" #define SCTPCTL_SACK_FREQ_MIN 0 #define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF #define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ /* sys_resource: Max number of cached resources in the system */ #define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" #define SCTPCTL_SYS_RESOURCE_MIN 0 #define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF #define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT /* asoc_resource: Max number of cached resources in an asoc */ #define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" #define SCTPCTL_ASOC_RESOURCE_MIN 0 #define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF #define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT /* heartbeat_interval: Default heartbeat interval in ms */ #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms" #define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC /* pmtu_raise_time: Default PMTU raise timer in seconds */ #define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds" #define SCTPCTL_PMTU_RAISE_TIME_MIN 0 #define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC /* shutdown_guard_time: Default shutdown guard timer in seconds */ #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Shutdown guard timer in seconds (0 means 5 times RTO.Max)" #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT 0 /* secret_lifetime: Default secret lifetime in seconds */ #define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds" #define SCTPCTL_SECRET_LIFETIME_MIN 0 #define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC /* rto_max: Default maximum retransmission timeout in ms */ #define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms" #define SCTPCTL_RTO_MAX_MIN 0 #define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF #define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND /* rto_min: Default minimum retransmission timeout in ms */ #define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms" #define SCTPCTL_RTO_MIN_MIN 0 #define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF #define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND /* rto_initial: Default initial retransmission timeout in ms */ #define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms" #define SCTPCTL_RTO_INITIAL_MIN 0 #define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF #define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL /* init_rto_max: Default maximum retransmission timeout during association setup in ms */ #define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms" #define SCTPCTL_INIT_RTO_MAX_MIN 0 #define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF #define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND /* valid_cookie_life: Default cookie lifetime in ms */ #define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in ms" #define SCTPCTL_VALID_COOKIE_LIFE_MIN SCTP_MIN_COOKIE_LIFE #define SCTPCTL_VALID_COOKIE_LIFE_MAX SCTP_MAX_COOKIE_LIFE #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE /* init_rtx_max: Default maximum number of retransmission for INIT chunks */ #define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmissions for INIT chunks" #define SCTPCTL_INIT_RTX_MAX_MIN 0 #define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF #define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT /* assoc_rtx_max: Default maximum number of retransmissions per association */ #define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" #define SCTPCTL_ASSOC_RTX_MAX_MIN 0 #define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND /* path_rtx_max: Default maximum of retransmissions per path */ #define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" #define SCTPCTL_PATH_RTX_MAX_MIN 0 #define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF #define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX /* path_pf_threshold: threshold for considering the path potentially failed */ #define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold" #define SCTPCTL_PATH_PF_THRESHOLD_MIN 0 #define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF #define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX /* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */ #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer" #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE /* incoming_streams: Default number of incoming streams */ #define SCTPCTL_INCOMING_STREAMS_DESC "Default number of incoming streams" #define SCTPCTL_INCOMING_STREAMS_MIN 1 #define SCTPCTL_INCOMING_STREAMS_MAX 65535 #define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL /* outgoing_streams: Default number of outgoing streams */ #define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" #define SCTPCTL_OUTGOING_STREAMS_MIN 1 #define SCTPCTL_OUTGOING_STREAMS_MAX 65535 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL /* cmt_on_off: CMT on/off flag */ #define SCTPCTL_CMT_ON_OFF_DESC "CMT settings" #define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF #define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX #define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF /* cmt_use_dac: CMT DAC on/off flag */ #define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" #define SCTPCTL_CMT_USE_DAC_MIN 0 #define SCTPCTL_CMT_USE_DAC_MAX 1 #define SCTPCTL_CMT_USE_DAC_DEFAULT 0 /* cwnd_maxburst: Use a CWND adjusting to implement maxburst */ #define SCTPCTL_CWND_MAXBURST_DESC "Adjust congestion control window to limit maximum burst when sending" #define SCTPCTL_CWND_MAXBURST_MIN 0 #define SCTPCTL_CWND_MAXBURST_MAX 1 #define SCTPCTL_CWND_MAXBURST_DEFAULT 1 /* nat_friendly: SCTP NAT friendly operation */ #define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" #define SCTPCTL_NAT_FRIENDLY_MIN 0 #define SCTPCTL_NAT_FRIENDLY_MAX 1 #define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 /* abc_l_var: SCTP ABC max increase per SACK (L) */ #define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" #define SCTPCTL_ABC_L_VAR_MIN 0 #define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF #define SCTPCTL_ABC_L_VAR_DEFAULT 2 /* max_chained_mbufs: Default max number of small mbufs on a chain */ #define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" #define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN /* do_sctp_drain: Should SCTP respond to the drain calls */ #define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" #define SCTPCTL_DO_SCTP_DRAIN_MIN 0 #define SCTPCTL_DO_SCTP_DRAIN_MAX 1 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 /* hb_max_burst: Confirmation Heartbeat max burst? */ #define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst" #define SCTPCTL_HB_MAX_BURST_MIN 1 #define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF #define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST /* abort_at_limit: When one-2-one hits qlimit abort */ #define SCTPCTL_ABORT_AT_LIMIT_DESC "Abort when one-to-one hits qlimit" #define SCTPCTL_ABORT_AT_LIMIT_MIN 0 #define SCTPCTL_ABORT_AT_LIMIT_MAX 1 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 /* min_residual: min residual in a data fragment leftover */ #define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" #define SCTPCTL_MIN_RESIDUAL_MIN 20 #define SCTPCTL_MIN_RESIDUAL_MAX 65535 #define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 /* max_retran_chunk: max chunk retransmissions */ #define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retransmitted before assoc abort" #define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 /* sctp_logging: This gives us logging when the options are enabled */ #define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level" #define SCTPCTL_LOGGING_LEVEL_MIN 0 #define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff #define SCTPCTL_LOGGING_LEVEL_DEFAULT 0 /* JRS - default congestion control module sysctl */ #define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module" #define SCTPCTL_DEFAULT_CC_MODULE_MIN 0 #define SCTPCTL_DEFAULT_CC_MODULE_MAX 2 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0 /* RS - default stream scheduling module sysctl */ #define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module" #define SCTPCTL_DEFAULT_SS_MODULE_MIN 0 #define SCTPCTL_DEFAULT_SS_MODULE_MAX 5 #define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0 /* RRS - default fragment interleave */ #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level" #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1 /* mobility_base: Enable SCTP mobility support */ #define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility" #define SCTPCTL_MOBILITY_BASE_MIN 0 #define SCTPCTL_MOBILITY_BASE_MAX 1 #define SCTPCTL_MOBILITY_BASE_DEFAULT 0 /* mobility_fasthandoff: Enable SCTP fast handoff support */ #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff" #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT 0 /* Enable SCTP/UDP tunneling port */ #define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port" #define SCTPCTL_UDP_TUNNELING_PORT_MIN 0 #define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT 0 /* Enable sending of the SACK-IMMEDIATELY bit */ #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit" #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX /* Enable sending of the NAT-FRIENDLY message */ #define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs" #define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN /* Vtag time wait in seconds */ #define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it" #define SCTPCTL_TIME_WAIT_MIN 0 #define SCTPCTL_TIME_WAIT_MAX 0xffffffff #define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT /* Enable Send/Receive buffer splitting */ #define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting" #define SCTPCTL_BUFFER_SPLITTING_MIN 0 #define SCTPCTL_BUFFER_SPLITTING_MAX 0x3 #define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN /* Initial congestion window in MTUs */ #define SCTPCTL_INITIAL_CWND_DESC "Defines the initial congestion window size in MTUs" #define SCTPCTL_INITIAL_CWND_MIN 0 #define SCTPCTL_INITIAL_CWND_MAX 0xffffffff #define SCTPCTL_INITIAL_CWND_DEFAULT 3 /* rttvar smooth avg for bw calc */ #define SCTPCTL_RTTVAR_BW_DESC "Shift amount DCCC uses for bw smoothing on rtt calc" #define SCTPCTL_RTTVAR_BW_MIN 0 #define SCTPCTL_RTTVAR_BW_MAX 32 #define SCTPCTL_RTTVAR_BW_DEFAULT 4 /* rttvar smooth avg for bw calc */ #define SCTPCTL_RTTVAR_RTT_DESC "Shift amount DCCC uses for rtt smoothing on rtt calc" #define SCTPCTL_RTTVAR_RTT_MIN 0 #define SCTPCTL_RTTVAR_RTT_MAX 32 #define SCTPCTL_RTTVAR_RTT_DEFAULT 5 #define SCTPCTL_RTTVAR_EQRET_DESC "Whether DCCC increases cwnd when the rtt and bw are unchanged" #define SCTPCTL_RTTVAR_EQRET_MIN 0 #define SCTPCTL_RTTVAR_EQRET_MAX 1 #define SCTPCTL_RTTVAR_EQRET_DEFAULT 0 #define SCTPCTL_RTTVAR_STEADYS_DESC "Number of identical bw measurements DCCC takes to try step down of cwnd" #define SCTPCTL_RTTVAR_STEADYS_MIN 0 #define SCTPCTL_RTTVAR_STEADYS_MAX 0xFFFF #define SCTPCTL_RTTVAR_STEADYS_DEFAULT 20 /* 0 means disable feature */ #define SCTPCTL_RTTVAR_DCCCECN_DESC "Enable ECN for DCCC." #define SCTPCTL_RTTVAR_DCCCECN_MIN 0 #define SCTPCTL_RTTVAR_DCCCECN_MAX 1 #define SCTPCTL_RTTVAR_DCCCECN_DEFAULT 1 /* 0 means disable feature */ #define SCTPCTL_BLACKHOLE_DESC "Enable SCTP blackholing, see blackhole(4) for more details" #define SCTPCTL_BLACKHOLE_MIN 0 #define SCTPCTL_BLACKHOLE_MAX 2 #define SCTPCTL_BLACKHOLE_DEFAULT SCTPCTL_BLACKHOLE_MIN /* sendall_limit: Maximum message with SCTP_SENDALL */ #define SCTPCTL_SENDALL_LIMIT_DESC "Maximum size of a message send with SCTP_SENDALL" #define SCTPCTL_SENDALL_LIMIT_MIN 0 #define SCTPCTL_SENDALL_LIMIT_MAX 0xFFFFFFFF #define SCTPCTL_SENDALL_LIMIT_DEFAULT 1432 #define SCTPCTL_DIAG_INFO_CODE_DESC "Diagnostic information error cause code" #define SCTPCTL_DIAG_INFO_CODE_MIN 0 #define SCTPCTL_DIAG_INFO_CODE_MAX 65535 #define SCTPCTL_DIAG_INFO_CODE_DEFAULT 0 #define SCTPCTL_OOTB_WITH_ZERO_CKSUM_DESC "Accept OOTB packets with zero checksum" #define SCTPCTL_OOTB_WITH_ZERO_CKSUM_MIN 0 #define SCTPCTL_OOTB_WITH_ZERO_CKSUM_MAX 1 #define SCTPCTL_OOTB_WITH_ZERO_CKSUM_DEFAULT 0 #if defined(SCTP_DEBUG) /* debug: Configure debug output */ #define SCTPCTL_DEBUG_DESC "Configure debug output" #define SCTPCTL_DEBUG_MIN 0 #define SCTPCTL_DEBUG_MAX 0xFFFFFFFF #define SCTPCTL_DEBUG_DEFAULT 0 #endif #if defined(_KERNEL) || defined(__Userspace__) #if defined(SYSCTL_DECL) SYSCTL_DECL(_net_inet_sctp); #endif void sctp_init_sysctls(void); #endif /* _KERNEL */ #endif /* __sctp_sysctl_h__ */