1/*- 2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD$"); 35 36#ifndef _NETINET_SCTP_SYSCTL_H_ 37#define _NETINET_SCTP_SYSCTL_H_ 38 39#include <netinet/sctp_os.h> 40#include <netinet/sctp_constants.h> 41 42struct sctp_sysctl { 43 uint32_t sctp_sendspace; 44 uint32_t sctp_recvspace; 45 uint32_t sctp_auto_asconf; 46 uint32_t sctp_multiple_asconfs; 47 uint32_t sctp_ecn_enable; 48 uint32_t sctp_pr_enable; 49 uint32_t sctp_auth_enable; 50 uint32_t sctp_asconf_enable; 51 uint32_t sctp_reconfig_enable; 52 uint32_t sctp_nrsack_enable; 53 uint32_t sctp_pktdrop_enable; 54 uint32_t sctp_fr_max_burst_default; 55 uint32_t sctp_peer_chunk_oh; 56 uint32_t sctp_max_burst_default; 57 uint32_t sctp_max_chunks_on_queue; 58 uint32_t sctp_hashtblsize; 59 uint32_t sctp_pcbtblsize; 60 uint32_t sctp_min_split_point; 61 uint32_t sctp_chunkscale; 62 uint32_t sctp_delayed_sack_time_default; 63 uint32_t sctp_sack_freq_default; 64 uint32_t sctp_system_free_resc_limit; 65 uint32_t sctp_asoc_free_resc_limit; 66 uint32_t sctp_heartbeat_interval_default; 67 uint32_t sctp_pmtu_raise_time_default; 68 uint32_t sctp_shutdown_guard_time_default; 69 uint32_t sctp_secret_lifetime_default; 70 uint32_t sctp_rto_max_default; 71 uint32_t sctp_rto_min_default; 72 uint32_t sctp_rto_initial_default; 73 uint32_t sctp_init_rto_max_default; 74 uint32_t sctp_valid_cookie_life_default; 75 uint32_t sctp_init_rtx_max_default; 76 uint32_t sctp_assoc_rtx_max_default; 77 uint32_t sctp_path_rtx_max_default; 78 uint32_t sctp_path_pf_threshold; 79 uint32_t sctp_add_more_threshold; 80 uint32_t sctp_nr_incoming_streams_default; 81 uint32_t sctp_nr_outgoing_streams_default; 82 uint32_t sctp_cmt_on_off; 83 uint32_t sctp_cmt_use_dac; 84 uint32_t sctp_use_cwnd_based_maxburst; 85 uint32_t sctp_nat_friendly; 86 uint32_t sctp_L2_abc_variable; 87 uint32_t sctp_mbuf_threshold_count; 88 uint32_t sctp_do_drain; 89 uint32_t sctp_hb_maxburst; 90 uint32_t sctp_abort_if_one_2_one_hits_limit; 91 uint32_t sctp_min_residual; 92 uint32_t sctp_max_retran_chunk; 93 uint32_t sctp_logging_level; 94 /* JRS - Variable for default congestion control module */ 95 uint32_t sctp_default_cc_module; 96 /* RS - Variable for default stream scheduling module */ 97 uint32_t sctp_default_ss_module; 98 uint32_t sctp_default_frag_interleave; 99 uint32_t sctp_mobility_base; 100 uint32_t sctp_mobility_fasthandoff; 101 uint32_t sctp_inits_include_nat_friendly; 102 uint32_t sctp_rttvar_bw; 103 uint32_t sctp_rttvar_rtt; 104 uint32_t sctp_rttvar_eqret; 105 uint32_t sctp_steady_step; 106 uint32_t sctp_use_dccc_ecn; 107 uint32_t sctp_diag_info_code; 108#if defined(SCTP_LOCAL_TRACE_BUF) 109 struct sctp_log sctp_log; 110#endif 111 uint32_t sctp_udp_tunneling_port; 112 uint32_t sctp_enable_sack_immediately; 113 uint32_t sctp_vtag_time_wait; 114 uint32_t sctp_buffer_splitting; 115 uint32_t sctp_initial_cwnd; 116 uint32_t sctp_blackhole; 117#if defined(SCTP_DEBUG) 118 uint32_t sctp_debug_on; 119#endif 120#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 121 uint32_t sctp_output_unlocked; 122#endif 123}; 124 125/* 126 * limits for the sysctl variables 127 */ 128/* maxdgram: Maximum outgoing SCTP buffer size */ 129#define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size" 130#define SCTPCTL_MAXDGRAM_MIN 0 131#define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF 132#define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */ 133 134/* recvspace: Maximum incoming SCTP buffer size */ 135#define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size" 136#define SCTPCTL_RECVSPACE_MIN 0 137#define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF 138#define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */ 139 140/* autoasconf: Enable SCTP Auto-ASCONF */ 141#define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF" 142#define SCTPCTL_AUTOASCONF_MIN 0 143#define SCTPCTL_AUTOASCONF_MAX 1 144#define SCTPCTL_AUTOASCONF_DEFAULT 1 145 146/* autoasconf: Enable SCTP Auto-ASCONF */ 147#define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Muliple-ASCONFs" 148#define SCTPCTL_MULTIPLEASCONFS_MIN 0 149#define SCTPCTL_MULTIPLEASCONFS_MAX 1 150#define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS 151 152/* ecn_enable: Enable SCTP ECN */ 153#define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN" 154#define SCTPCTL_ECN_ENABLE_MIN 0 155#define SCTPCTL_ECN_ENABLE_MAX 1 156#define SCTPCTL_ECN_ENABLE_DEFAULT 1 157 158/* pr_enable: Enable PR-SCTP */ 159#define SCTPCTL_PR_ENABLE_DESC "Enable PR-SCTP" 160#define SCTPCTL_PR_ENABLE_MIN 0 161#define SCTPCTL_PR_ENABLE_MAX 1 162#define SCTPCTL_PR_ENABLE_DEFAULT 1 163 164/* auth_enable: Enable SCTP AUTH function */ 165#define SCTPCTL_AUTH_ENABLE_DESC "Enable SCTP AUTH function" 166#define SCTPCTL_AUTH_ENABLE_MIN 0 167#define SCTPCTL_AUTH_ENABLE_MAX 1 168#define SCTPCTL_AUTH_ENABLE_DEFAULT 1 169 170/* asconf_enable: Enable SCTP ASCONF */ 171#define SCTPCTL_ASCONF_ENABLE_DESC "Enable SCTP ASCONF" 172#define SCTPCTL_ASCONF_ENABLE_MIN 0 173#define SCTPCTL_ASCONF_ENABLE_MAX 1 174#define SCTPCTL_ASCONF_ENABLE_DEFAULT 1 175 176/* reconfig_enable: Enable SCTP RE-CONFIG */ 177#define SCTPCTL_RECONFIG_ENABLE_DESC "Enable SCTP RE-CONFIG" 178#define SCTPCTL_RECONFIG_ENABLE_MIN 0 179#define SCTPCTL_RECONFIG_ENABLE_MAX 1 180#define SCTPCTL_RECONFIG_ENABLE_DEFAULT 1 181 182/* nrsack_enable: Enable NR_SACK */ 183#define SCTPCTL_NRSACK_ENABLE_DESC "Enable SCTP NR-SACK" 184#define SCTPCTL_NRSACK_ENABLE_MIN 0 185#define SCTPCTL_NRSACK_ENABLE_MAX 1 186#define SCTPCTL_NRSACK_ENABLE_DEFAULT 0 187 188/* pktdrop_enable: Enable SCTP Packet Drop Reports */ 189#define SCTPCTL_PKTDROP_ENABLE_DESC "Enable SCTP PKTDROP" 190#define SCTPCTL_PKTDROP_ENABLE_MIN 0 191#define SCTPCTL_PKTDROP_ENABLE_MAX 1 192#define SCTPCTL_PKTDROP_ENABLE_DEFAULT 0 193 194/* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 195#define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 196#define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 197#define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 198#define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 199 200/* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 201#define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 202#define SCTPCTL_PEER_CHKOH_MIN 0 203#define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 204#define SCTPCTL_PEER_CHKOH_DEFAULT 256 205 206/* maxburst: Default max burst for sctp endpoints */ 207#define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 208#define SCTPCTL_MAXBURST_MIN 0 209#define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 210#define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 211 212/* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */ 213#define SCTPCTL_FRMAXBURST_DESC "Default fr max burst for sctp endpoints" 214#define SCTPCTL_FRMAXBURST_MIN 0 215#define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF 216#define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST 217 218 219/* maxchunks: Default max chunks on queue per asoc */ 220#define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 221#define SCTPCTL_MAXCHUNKS_MIN 0 222#define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 223#define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 224 225/* tcbhashsize: Tunable for Hash table sizes */ 226#define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 227#define SCTPCTL_TCBHASHSIZE_MIN 1 228#define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 229#define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 230 231/* pcbhashsize: Tunable for PCB Hash table sizes */ 232#define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 233#define SCTPCTL_PCBHASHSIZE_MIN 1 234#define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 235#define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 236 237/* min_split_point: Minimum size when splitting a chunk */ 238#define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 239#define SCTPCTL_MIN_SPLIT_POINT_MIN 0 240#define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 241#define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 242 243/* chunkscale: Tunable for Scaling of number of chunks and messages */ 244#define SCTPCTL_CHUNKSCALE_DESC "Tunable for Scaling of number of chunks and messages" 245#define SCTPCTL_CHUNKSCALE_MIN 1 246#define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 247#define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 248 249/* delayed_sack_time: Default delayed SACK timer in ms */ 250#define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms" 251#define SCTPCTL_DELAYED_SACK_TIME_MIN 0 252#define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 253#define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 254 255/* sack_freq: Default SACK frequency */ 256#define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 257#define SCTPCTL_SACK_FREQ_MIN 0 258#define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 259#define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 260 261/* sys_resource: Max number of cached resources in the system */ 262#define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 263#define SCTPCTL_SYS_RESOURCE_MIN 0 264#define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 265#define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 266 267/* asoc_resource: Max number of cached resources in an asoc */ 268#define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 269#define SCTPCTL_ASOC_RESOURCE_MIN 0 270#define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 271#define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 272 273/* heartbeat_interval: Default heartbeat interval in ms */ 274#define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms" 275#define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 276#define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 277#define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 278 279/* pmtu_raise_time: Default PMTU raise timer in seconds */ 280#define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds" 281#define SCTPCTL_PMTU_RAISE_TIME_MIN 0 282#define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 283#define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 284 285/* shutdown_guard_time: Default shutdown guard timer in seconds */ 286#define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Shutdown guard timer in seconds (0 means 5 times RTO.Max)" 287#define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 288#define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 289#define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT 0 290 291/* secret_lifetime: Default secret lifetime in seconds */ 292#define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds" 293#define SCTPCTL_SECRET_LIFETIME_MIN 0 294#define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 295#define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 296 297/* rto_max: Default maximum retransmission timeout in ms */ 298#define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms" 299#define SCTPCTL_RTO_MAX_MIN 0 300#define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 301#define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 302 303/* rto_min: Default minimum retransmission timeout in ms */ 304#define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms" 305#define SCTPCTL_RTO_MIN_MIN 0 306#define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 307#define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 308 309/* rto_initial: Default initial retransmission timeout in ms */ 310#define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms" 311#define SCTPCTL_RTO_INITIAL_MIN 0 312#define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 313#define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 314 315/* init_rto_max: Default maximum retransmission timeout during association setup in ms */ 316#define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms" 317#define SCTPCTL_INIT_RTO_MAX_MIN 0 318#define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 319#define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 320 321/* valid_cookie_life: Default cookie lifetime in sec */ 322#define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in seconds" 323#define SCTPCTL_VALID_COOKIE_LIFE_MIN 0 324#define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF 325#define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 326 327/* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 328#define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks" 329#define SCTPCTL_INIT_RTX_MAX_MIN 0 330#define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 331#define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 332 333/* assoc_rtx_max: Default maximum number of retransmissions per association */ 334#define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 335#define SCTPCTL_ASSOC_RTX_MAX_MIN 0 336#define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 337#define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 338 339/* path_rtx_max: Default maximum of retransmissions per path */ 340#define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 341#define SCTPCTL_PATH_RTX_MAX_MIN 0 342#define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 343#define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 344 345/* path_pf_threshold: threshold for considering the path potentially failed */ 346#define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold" 347#define SCTPCTL_PATH_PF_THRESHOLD_MIN 0 348#define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF 349#define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX 350 351/* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */ 352#define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer" 353#define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 354#define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 355#define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 356 357/* incoming_streams: Default number of incoming streams */ 358#define SCTPCTL_INCOMING_STREAMS_DESC "Default number of incoming streams" 359#define SCTPCTL_INCOMING_STREAMS_MIN 1 360#define SCTPCTL_INCOMING_STREAMS_MAX 65535 361#define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL 362 363/* outgoing_streams: Default number of outgoing streams */ 364#define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 365#define SCTPCTL_OUTGOING_STREAMS_MIN 1 366#define SCTPCTL_OUTGOING_STREAMS_MAX 65535 367#define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 368 369/* cmt_on_off: CMT on/off flag */ 370#define SCTPCTL_CMT_ON_OFF_DESC "CMT settings" 371#define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF 372#define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX 373#define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF 374 375/* cmt_use_dac: CMT DAC on/off flag */ 376#define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 377#define SCTPCTL_CMT_USE_DAC_MIN 0 378#define SCTPCTL_CMT_USE_DAC_MAX 1 379#define SCTPCTL_CMT_USE_DAC_DEFAULT 0 380 381/* cwnd_maxburst: Use a CWND adjusting maxburst */ 382#define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst" 383#define SCTPCTL_CWND_MAXBURST_MIN 0 384#define SCTPCTL_CWND_MAXBURST_MAX 1 385#define SCTPCTL_CWND_MAXBURST_DEFAULT 1 386 387/* nat_friendly: SCTP NAT friendly operation */ 388#define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 389#define SCTPCTL_NAT_FRIENDLY_MIN 0 390#define SCTPCTL_NAT_FRIENDLY_MAX 1 391#define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 392 393/* abc_l_var: SCTP ABC max increase per SACK (L) */ 394#define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 395#define SCTPCTL_ABC_L_VAR_MIN 0 396#define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 397#define SCTPCTL_ABC_L_VAR_DEFAULT 2 398 399/* max_chained_mbufs: Default max number of small mbufs on a chain */ 400#define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 401#define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 402#define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 403#define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 404 405/* do_sctp_drain: Should SCTP respond to the drain calls */ 406#define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 407#define SCTPCTL_DO_SCTP_DRAIN_MIN 0 408#define SCTPCTL_DO_SCTP_DRAIN_MAX 1 409#define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 410 411/* hb_max_burst: Confirmation Heartbeat max burst? */ 412#define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst" 413#define SCTPCTL_HB_MAX_BURST_MIN 1 414#define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 415#define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST 416 417/* abort_at_limit: When one-2-one hits qlimit abort */ 418#define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort" 419#define SCTPCTL_ABORT_AT_LIMIT_MIN 0 420#define SCTPCTL_ABORT_AT_LIMIT_MAX 1 421#define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 422 423/* min_residual: min residual in a data fragment leftover */ 424#define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 425#define SCTPCTL_MIN_RESIDUAL_MIN 20 426#define SCTPCTL_MIN_RESIDUAL_MAX 65535 427#define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 428 429/* max_retran_chunk: max chunk retransmissions */ 430#define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retran'd before assoc abort" 431#define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 432#define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 433#define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 434 435/* sctp_logging: This gives us logging when the options are enabled */ 436#define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level" 437#define SCTPCTL_LOGGING_LEVEL_MIN 0 438#define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff 439#define SCTPCTL_LOGGING_LEVEL_DEFAULT 0 440 441/* JRS - default congestion control module sysctl */ 442#define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module" 443#define SCTPCTL_DEFAULT_CC_MODULE_MIN 0 444#define SCTPCTL_DEFAULT_CC_MODULE_MAX 2 445#define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0 446 447/* RS - default stream scheduling module sysctl */ 448#define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module" 449#define SCTPCTL_DEFAULT_SS_MODULE_MIN 0 450#define SCTPCTL_DEFAULT_SS_MODULE_MAX 5 451#define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0 452 453/* RRS - default fragment interleave */ 454#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level" 455#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0 456#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2 457#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1 458 459/* mobility_base: Enable SCTP mobility support */ 460#define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility" 461#define SCTPCTL_MOBILITY_BASE_MIN 0 462#define SCTPCTL_MOBILITY_BASE_MAX 1 463#define SCTPCTL_MOBILITY_BASE_DEFAULT 0 464 465/* mobility_fasthandoff: Enable SCTP fast handoff support */ 466#define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff" 467#define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0 468#define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1 469#define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT 0 470 471/* Enable SCTP/UDP tunneling port */ 472#define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port" 473#define SCTPCTL_UDP_TUNNELING_PORT_MIN 0 474#define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535 475#define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT 0 476 477/* Enable sending of the SACK-IMMEDIATELY bit */ 478#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit." 479#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0 480#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1 481#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 482 483/* Enable sending of the NAT-FRIENDLY message */ 484#define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs." 485#define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0 486#define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1 487#define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN 488 489/* Vtag time wait in seconds */ 490#define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it." 491#define SCTPCTL_TIME_WAIT_MIN 0 492#define SCTPCTL_TIME_WAIT_MAX 0xffffffff 493#define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT 494 495/* Enable Send/Receive buffer splitting */ 496#define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting." 497#define SCTPCTL_BUFFER_SPLITTING_MIN 0 498#define SCTPCTL_BUFFER_SPLITTING_MAX 0x3 499#define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN 500 501/* Initial congestion window in MTU */ 502#define SCTPCTL_INITIAL_CWND_DESC "Initial congestion window in MTUs" 503#define SCTPCTL_INITIAL_CWND_MIN 0 504#define SCTPCTL_INITIAL_CWND_MAX 0xffffffff 505#define SCTPCTL_INITIAL_CWND_DEFAULT 3 506 507/* rttvar smooth avg for bw calc */ 508#define SCTPCTL_RTTVAR_BW_DESC "Shift amount for bw smoothing on rtt calc" 509#define SCTPCTL_RTTVAR_BW_MIN 0 510#define SCTPCTL_RTTVAR_BW_MAX 32 511#define SCTPCTL_RTTVAR_BW_DEFAULT 4 512 513/* rttvar smooth avg for bw calc */ 514#define SCTPCTL_RTTVAR_RTT_DESC "Shift amount for rtt smoothing on rtt calc" 515#define SCTPCTL_RTTVAR_RTT_MIN 0 516#define SCTPCTL_RTTVAR_RTT_MAX 32 517#define SCTPCTL_RTTVAR_RTT_DEFAULT 5 518 519#define SCTPCTL_RTTVAR_EQRET_DESC "What to return when rtt and bw are unchanged" 520#define SCTPCTL_RTTVAR_EQRET_MIN 0 521#define SCTPCTL_RTTVAR_EQRET_MAX 1 522#define SCTPCTL_RTTVAR_EQRET_DEFAULT 0 523 524#define SCTPCTL_RTTVAR_STEADYS_DESC "How many the sames it takes to try step down of cwnd" 525#define SCTPCTL_RTTVAR_STEADYS_MIN 0 526#define SCTPCTL_RTTVAR_STEADYS_MAX 0xFFFF 527#define SCTPCTL_RTTVAR_STEADYS_DEFAULT 20 /* 0 means disable feature */ 528 529#define SCTPCTL_RTTVAR_DCCCECN_DESC "Enable for RTCC CC datacenter ECN" 530#define SCTPCTL_RTTVAR_DCCCECN_MIN 0 531#define SCTPCTL_RTTVAR_DCCCECN_MAX 1 532#define SCTPCTL_RTTVAR_DCCCECN_DEFAULT 1 /* 0 means disable feature */ 533 534#define SCTPCTL_BLACKHOLE_DESC "Enable SCTP blackholing. See blackhole(4) for more details." 535#define SCTPCTL_BLACKHOLE_MIN 0 536#define SCTPCTL_BLACKHOLE_MAX 2 537#define SCTPCTL_BLACKHOLE_DEFAULT SCTPCTL_BLACKHOLE_MIN 538 539#define SCTPCTL_DIAG_INFO_CODE_DESC "Diagnostic information error cause code" 540#define SCTPCTL_DIAG_INFO_CODE_MIN 0 541#define SCTPCTL_DIAG_INFO_CODE_MAX 65535 542#define SCTPCTL_DIAG_INFO_CODE_DEFAULT 0 543 544#if defined(SCTP_DEBUG) 545/* debug: Configure debug output */ 546#define SCTPCTL_DEBUG_DESC "Configure debug output" 547#define SCTPCTL_DEBUG_MIN 0 548#define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 549#define SCTPCTL_DEBUG_DEFAULT 0 550#endif 551 552 553#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 554#define SCTPCTL_OUTPUT_UNLOCKED_DESC "Unlock socket when sending packets down to IP." 555#define SCTPCTL_OUTPUT_UNLOCKED_MIN 0 556#define SCTPCTL_OUTPUT_UNLOCKED_MAX 1 557#define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN 558#endif 559 560 561#if defined(_KERNEL) || defined(__Userspace__) 562#if defined(SYSCTL_DECL) 563SYSCTL_DECL(_net_inet_sctp); 564#endif 565 566void sctp_init_sysctls(void); 567 568#endif /* _KERNEL */ 569#endif /* __sctp_sysctl_h__ */ 570