sctp_sysctl.h revision 168124
1/*- 2 * Copyright (c) 2007, Cisco Systems, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD: head/sys/netinet/sctp_sysctl.h 168124 2007-03-31 11:47:30Z rrs $"); 33 34#ifndef __sctp_sysctl_h__ 35#define __sctp_sysctl_h__ 36 37#include <netinet/sctp_os.h> 38#include <netinet/sctp_constants.h> 39 40/* 41 * limits for the sysctl variables 42 */ 43/* maxdgram: Maximum outgoing SCTP buffer size */ 44#define SCTPCTL_MAXDGRAM 1 45#define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size" 46#define SCTPCTL_MAXDGRAM_MIN 0 47#define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF 48#define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */ 49 50/* recvspace: Maximum incoming SCTP buffer size */ 51#define SCTPCTL_RECVSPACE 2 52#define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size" 53#define SCTPCTL_RECVSPACE_MIN 0 54#define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF 55#define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */ 56 57/* autoasconf: Enable SCTP Auto-ASCONF */ 58#define SCTPCTL_AUTOASCONF 3 59#define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF" 60#define SCTPCTL_AUTOASCONF_MIN 0 61#define SCTPCTL_AUTOASCONF_MAX 1 62#define SCTPCTL_AUTOASCONF_DEFAULT SCTP_DEFAULT_AUTO_ASCONF 63 64/* ecn_enable: Enable SCTP ECN */ 65#define SCTPCTL_ECN_ENABLE 4 66#define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN" 67#define SCTPCTL_ECN_ENABLE_MIN 0 68#define SCTPCTL_ECN_ENABLE_MAX 1 69#define SCTPCTL_ECN_ENABLE_DEFAULT 1 70 71/* ecn_nonce: Enable SCTP ECN Nonce */ 72#define SCTPCTL_ECN_NONCE 5 73#define SCTPCTL_ECN_NONCE_DESC "Enable SCTP ECN Nonce" 74#define SCTPCTL_ECN_NONCE_MIN 0 75#define SCTPCTL_ECN_NONCE_MAX 1 76#define SCTPCTL_ECN_NONCE_DEFAULT 0 77 78/* strict_sacks: Enable SCTP Strict SACK checking */ 79#define SCTPCTL_STRICT_SACKS 6 80#define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking" 81#define SCTPCTL_STRICT_SACKS_MIN 0 82#define SCTPCTL_STRICT_SACKS_MAX 1 83#define SCTPCTL_STRICT_SACKS_DEFAULT 0 84 85/* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 86#define SCTPCTL_LOOPBACK_NOCSUM 7 87#define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 88#define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 89#define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 90#define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 91 92/* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */ 93#define SCTPCTL_STRICT_INIT 8 94#define SCTPCTL_STRICT_INIT_DESC "Enable strict INIT/INIT-ACK singleton enforcement" 95#define SCTPCTL_STRICT_INIT_MIN 0 96#define SCTPCTL_STRICT_INIT_MAX 1 97#define SCTPCTL_STRICT_INIT_DEFAULT 1 98 99/* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 100#define SCTPCTL_PEER_CHKOH 9 101#define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 102#define SCTPCTL_PEER_CHKOH_MIN 0 103#define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 104#define SCTPCTL_PEER_CHKOH_DEFAULT 0 /* sizeof struct mbuf */ 105 106/* maxburst: Default max burst for sctp endpoints */ 107#define SCTPCTL_MAXBURST 10 108#define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 109#define SCTPCTL_MAXBURST_MIN 1 110#define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 111#define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 112 113/* maxchunks: Default max chunks on queue per asoc */ 114#define SCTPCTL_MAXCHUNKS 11 115#define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 116#define SCTPCTL_MAXCHUNKS_MIN 0 117#define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 118#define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 119 120/* tcbhashsize: Tuneable for Hash table sizes */ 121#define SCTPCTL_TCBHASHSIZE 12 122#define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 123#define SCTPCTL_TCBHASHSIZE_MIN 1 124#define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 125#define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 126 127/* pcbhashsize: Tuneable for PCB Hash table sizes */ 128#define SCTPCTL_PCBHASHSIZE 13 129#define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 130#define SCTPCTL_PCBHASHSIZE_MIN 1 131#define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 132#define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 133 134/* min_split_point: Minimum size when splitting a chunk */ 135#define SCTPCTL_MIN_SPLIT_POINT 14 136#define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 137#define SCTPCTL_MIN_SPLIT_POINT_MIN 0 138#define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 139#define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 140 141/* chunkscale: Tuneable for Scaling of number of chunks and messages */ 142#define SCTPCTL_CHUNKSCALE 15 143#define SCTPCTL_CHUNKSCALE_DESC "Tuneable for Scaling of number of chunks and messages" 144#define SCTPCTL_CHUNKSCALE_MIN 1 145#define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 146#define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 147 148/* delayed_sack_time: Default delayed SACK timer in msec */ 149#define SCTPCTL_DELAYED_SACK_TIME 16 150#define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in msec" 151#define SCTPCTL_DELAYED_SACK_TIME_MIN 0 152#define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 153#define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 154 155/* sack_freq: Default SACK frequency */ 156#define SCTPCTL_SACK_FREQ 17 157#define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 158#define SCTPCTL_SACK_FREQ_MIN 0 159#define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 160#define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 161 162/* sys_resource: Max number of cached resources in the system */ 163#define SCTPCTL_SYS_RESOURCE 18 164#define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 165#define SCTPCTL_SYS_RESOURCE_MIN 0 166#define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 167#define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 168 169/* asoc_resource: Max number of cached resources in an asoc */ 170#define SCTPCTL_ASOC_RESOURCE 19 171#define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 172#define SCTPCTL_ASOC_RESOURCE_MIN 0 173#define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 174#define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 175 176/* heartbeat_interval: Default heartbeat interval in msec */ 177#define SCTPCTL_HEARTBEAT_INTERVAL 20 178#define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in msec" 179#define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 180#define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 181#define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 182 183/* pmtu_raise_time: Default PMTU raise timer in sec */ 184#define SCTPCTL_PMTU_RAISE_TIME 21 185#define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in sec" 186#define SCTPCTL_PMTU_RAISE_TIME_MIN 0 187#define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 188#define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 189 190/* shutdown_guard_time: Default shutdown guard timer in sec */ 191#define SCTPCTL_SHUTDOWN_GUARD_TIME 22 192#define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Default shutdown guard timer in sec" 193#define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 194#define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 195#define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT SCTP_DEF_MAX_SHUTDOWN_SEC 196 197/* secret_lifetime: Default secret lifetime in sec */ 198#define SCTPCTL_SECRET_LIFETIME 23 199#define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in sec" 200#define SCTPCTL_SECRET_LIFETIME_MIN 0 201#define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 202#define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 203 204/* rto_max: Default maximum retransmission timeout in msec */ 205#define SCTPCTL_RTO_MAX 24 206#define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in msec" 207#define SCTPCTL_RTO_MAX_MIN 0 208#define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 209#define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 210 211/* rto_min: Default minimum retransmission timeout in msec */ 212#define SCTPCTL_RTO_MIN 25 213#define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in msec" 214#define SCTPCTL_RTO_MIN_MIN 0 215#define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 216#define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 217 218/* rto_initial: Default initial retransmission timeout in msec */ 219#define SCTPCTL_RTO_INITIAL 26 220#define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in msec" 221#define SCTPCTL_RTO_INITIAL_MIN 0 222#define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 223#define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 224 225/* init_rto_max: Default maximum retransmission timeout during association setup in msec */ 226#define SCTPCTL_INIT_RTO_MAX 27 227#define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in msec" 228#define SCTPCTL_INIT_RTO_MAX_MIN 0 229#define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 230#define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 231 232/* valid_cookie_life: Default cookie lifetime in sec */ 233#define SCTPCTL_VALID_COOKIE_LIFE 28 234#define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in sec" 235#define SCTPCTL_VALID_COOKIE_LIFE_MIN 0 236#define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF 237#define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 238 239/* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 240#define SCTPCTL_INIT_RTX_MAX 29 241#define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks" 242#define SCTPCTL_INIT_RTX_MAX_MIN 0 243#define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 244#define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 245 246/* assoc_rtx_max: Default maximum number of retransmissions per association */ 247#define SCTPCTL_ASSOC_RTX_MAX 30 248#define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 249#define SCTPCTL_ASSOC_RTX_MAX_MIN 0 250#define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 251#define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 252 253/* path_rtx_max: Default maximum of retransmissions per path */ 254#define SCTPCTL_PATH_RTX_MAX 31 255#define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 256#define SCTPCTL_PATH_RTX_MAX_MIN 0 257#define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 258#define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 259 260/* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */ 261#define SCTPCTL_ADD_MORE_ON_OUTPUT 32 262#define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space wise is it worthwhile to try to add more to a socket send buffer" 263#define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 264#define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 265#define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 266 267/* outgoing_streams: Default number of outgoing streams */ 268#define SCTPCTL_OUTGOING_STREAMS 33 269#define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 270#define SCTPCTL_OUTGOING_STREAMS_MIN 1 271#define SCTPCTL_OUTGOING_STREAMS_MAX 65535 272#define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 273 274/* cmt_on_off: CMT on/off flag */ 275#define SCTPCTL_CMT_ON_OFF 34 276#define SCTPCTL_CMT_ON_OFF_DESC "CMT on/off flag" 277#define SCTPCTL_CMT_ON_OFF_MIN 0 278#define SCTPCTL_CMT_ON_OFF_MAX 1 279#define SCTPCTL_CMT_ON_OFF_DEFAULT 0 280 281/* cwnd_maxburst: Use a CWND adjusting maxburst */ 282#define SCTPCTL_CWND_MAXBURST 35 283#define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst" 284#define SCTPCTL_CWND_MAXBURST_MIN 0 285#define SCTPCTL_CWND_MAXBURST_MAX 1 286#define SCTPCTL_CWND_MAXBURST_DEFAULT 1 287 288/* early_fast_retran: Early Fast Retransmit with timer */ 289#define SCTPCTL_EARLY_FAST_RETRAN 36 290#define SCTPCTL_EARLY_FAST_RETRAN_DESC "Early Fast Retransmit with timer" 291#define SCTPCTL_EARLY_FAST_RETRAN_MIN 0 292#define SCTPCTL_EARLY_FAST_RETRAN_MAX 0xFFFFFFFF 293#define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT 0 294 295/* deadlock_detect: SMP Deadlock detection on/off */ 296#define SCTPCTL_DEADLOCK_DETECT 37 297#define SCTPCTL_DEADLOCK_DETECT_DESC "SMP Deadlock detection on/off" 298#define SCTPCTL_DEADLOCK_DETECT_MIN 0 299#define SCTPCTL_DEADLOCK_DETECT_MAX 1 300#define SCTPCTL_DEADLOCK_DETECT_DEFAULT 0 301 302/* early_fast_retran_msec: Early Fast Retransmit minimum timer value */ 303#define SCTPCTL_EARLY_FAST_RETRAN_MSEC 38 304#define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC "Early Fast Retransmit minimum timer value" 305#define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN 0 306#define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX 0xFFFFFFFF 307#define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT SCTP_MINFR_MSEC_TIMER 308 309/* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */ 310#define SCTPCTL_ASCONF_AUTH_NOCHK 39 311#define SCTPCTL_ASCONF_AUTH_NOCHK_DESC "Disable SCTP ASCONF AUTH requirement" 312#define SCTPCTL_ASCONF_AUTH_NOCHK_MIN 0 313#define SCTPCTL_ASCONF_AUTH_NOCHK_MAX 1 314#define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT 0 315 316/* auth_disable: Disable SCTP AUTH function */ 317#define SCTPCTL_AUTH_DISABLE 40 318#define SCTPCTL_AUTH_DISABLE_DESC "Disable SCTP AUTH function" 319#define SCTPCTL_AUTH_DISABLE_MIN 0 320#define SCTPCTL_AUTH_DISABLE_MAX 1 321#define SCTPCTL_AUTH_DISABLE_DEFAULT 0 322 323/* nat_friendly: SCTP NAT friendly operation */ 324#define SCTPCTL_NAT_FRIENDLY 41 325#define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 326#define SCTPCTL_NAT_FRIENDLY_MIN 0 327#define SCTPCTL_NAT_FRIENDLY_MAX 1 328#define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 329 330/* abc_l_var: SCTP ABC max increase per SACK (L) */ 331#define SCTPCTL_ABC_L_VAR 42 332#define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 333#define SCTPCTL_ABC_L_VAR_MIN 0 334#define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 335#define SCTPCTL_ABC_L_VAR_DEFAULT 1 336 337/* max_chained_mbufs: Default max number of small mbufs on a chain */ 338#define SCTPCTL_MAX_CHAINED_MBUFS 43 339#define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 340#define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 341#define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 342#define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 343 344/* cmt_use_dac: CMT DAC on/off flag */ 345#define SCTPCTL_CMT_USE_DAC 44 346#define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 347#define SCTPCTL_CMT_USE_DAC_MIN 0 348#define SCTPCTL_CMT_USE_DAC_MAX 1 349#define SCTPCTL_CMT_USE_DAC_DEFAULT 0 350 351/* do_sctp_drain: Should SCTP respond to the drain calls */ 352#define SCTPCTL_DO_SCTP_DRAIN 45 353#define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 354#define SCTPCTL_DO_SCTP_DRAIN_MIN 0 355#define SCTPCTL_DO_SCTP_DRAIN_MAX 1 356#define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 357 358/* hb_max_burst: Confirmation Heartbeat max burst? */ 359#define SCTPCTL_HB_MAX_BURST 46 360#define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst?" 361#define SCTPCTL_HB_MAX_BURST_MIN 1 362#define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 363#define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_MAX_BURST 364 365/* abort_at_limit: When one-2-one hits qlimit abort */ 366#define SCTPCTL_ABORT_AT_LIMIT 47 367#define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort" 368#define SCTPCTL_ABORT_AT_LIMIT_MIN 0 369#define SCTPCTL_ABORT_AT_LIMIT_MAX 1 370#define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 371 372/* strict_data_order: Enforce strict data ordering, abort if control inside data */ 373#define SCTPCTL_STRICT_DATA_ORDER 48 374#define SCTPCTL_STRICT_DATA_ORDER_DESC "Enforce strict data ordering, abort if control inside data" 375#define SCTPCTL_STRICT_DATA_ORDER_MIN 0 376#define SCTPCTL_STRICT_DATA_ORDER_MAX 1 377#define SCTPCTL_STRICT_DATA_ORDER_DEFAULT 0 378 379/* min residual in in a data fragment leftover */ 380#define SCTPCTL_MIN_REDIDUAL 49 381#define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 382#define SCTPCTL_MIN_RESIDUAL_MIN 20 383#define SCTPCTL_MIN_RESIDUAL_MAX 65535 384#define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 385 386/* min residual in in a data fragment leftover */ 387#define SCTPCTL_MAX_RETRAN 50 388#define SCTPCTL_MAX_RETRAN_DESC "Maximum times a unlucky chunk can be retran'd before assoc abort " 389#define SCTPCTL_MAX_RETRAN_MIN 0 390#define SCTPCTL_MAX_RETRAN_MAX 65535 391#define SCTPCTL_MAX_RETRAN_DEFAULT 30 392 393 394 395#ifdef SCTP_DEBUG 396/* debug: Configure debug output */ 397#define SCTPCTL_DEBUG 51 398#define SCTPCTL_DEBUG_DESC "Configure debug output" 399#define SCTPCTL_DEBUG_MIN 0 400#define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 401#define SCTPCTL_DEBUG_DEFAULT 0 402 403 404#define SCTPCTL_MAXID 51 405#else 406#define SCTPCTL_MAXID 50 407#endif 408 409/* 410 * Names for SCTP sysctl objects variables. 411 * Must match the OIDs above. 412 */ 413#ifdef SCTP_DEBUG 414#define SCTPCTL_NAMES { \ 415 { 0, 0 }, \ 416 { "sendspace", CTLTYPE_INT }, \ 417 { "recvspace", CTLTYPE_INT }, \ 418 { "autoasconf", CTLTYPE_INT }, \ 419 { "ecn_enable", CTLTYPE_INT }, \ 420 { "ecn_nonce", CTLTYPE_INT }, \ 421 { "strict_sack", CTLTYPE_INT }, \ 422 { "looback_nocsum", CTLTYPE_INT }, \ 423 { "strict_init", CTLTYPE_INT }, \ 424 { "peer_chkoh", CTLTYPE_INT }, \ 425 { "maxburst", CTLTYPE_INT }, \ 426 { "maxchunks", CTLTYPE_INT }, \ 427 { "delayed_sack_time", CTLTYPE_INT }, \ 428 { "sack_freq", CTLTYPE_INT }, \ 429 { "heartbeat_interval", CTLTYPE_INT }, \ 430 { "pmtu_raise_time", CTLTYPE_INT }, \ 431 { "shutdown_guard_time", CTLTYPE_INT }, \ 432 { "secret_lifetime", CTLTYPE_INT }, \ 433 { "rto_max", CTLTYPE_INT }, \ 434 { "rto_min", CTLTYPE_INT }, \ 435 { "rto_initial", CTLTYPE_INT }, \ 436 { "init_rto_max", CTLTYPE_INT }, \ 437 { "valid_cookie_life", CTLTYPE_INT }, \ 438 { "init_rtx_max", CTLTYPE_INT }, \ 439 { "assoc_rtx_max", CTLTYPE_INT }, \ 440 { "path_rtx_max", CTLTYPE_INT }, \ 441 { "outgoing_streams", CTLTYPE_INT }, \ 442 { "cmt_on_off", CTLTYPE_INT }, \ 443 { "cwnd_maxburst", CTLTYPE_INT }, \ 444 { "early_fast_retran", CTLTYPE_INT }, \ 445 { "deadlock_detect", CTLTYPE_INT }, \ 446 { "early_fast_retran_msec", CTLTYPE_INT }, \ 447 { "asconf_auth_nochk", CTLTYPE_INT }, \ 448 { "auth_disable", CTLTYPE_INT }, \ 449 { "nat_friendly", CTLTYPE_INT }, \ 450 { "abc_l_var", CTLTYPE_INT }, \ 451 { "max_mbuf_chain", CTLTYPE_INT }, \ 452 { "cmt_use_dac", CTLTYPE_INT }, \ 453 { "do_sctp_drain", CTLTYPE_INT }, \ 454 { "warm_crc_table", CTLTYPE_INT }, \ 455 { "abort_at_limit", CTLTYPE_INT }, \ 456 { "strict_data_order", CTLTYPE_INT }, \ 457 { "tcbhashsize", CTLTYPE_INT }, \ 458 { "pcbhashsize", CTLTYPE_INT }, \ 459 { "chunkscale", CTLTYPE_INT }, \ 460 { "min_split_point", CTLTYPE_INT }, \ 461 { "add_more_on_output", CTLTYPE_INT }, \ 462 { "sys_resource", CTLTYPE_INT }, \ 463 { "asoc_resource", CTLTYPE_INT }, \ 464 { "min_residual", CTLTYPE_INT }, \ 465 { "max_retran_chunk", CTLTYPE_INT }, \ 466 { "debug", CTLTYPE_INT }, \ 467} 468#else 469#define SCTPCTL_NAMES { \ 470 { 0, 0 }, \ 471 { "sendspace", CTLTYPE_INT }, \ 472 { "recvspace", CTLTYPE_INT }, \ 473 { "autoasconf", CTLTYPE_INT }, \ 474 { "ecn_enable", CTLTYPE_INT }, \ 475 { "ecn_nonce", CTLTYPE_INT }, \ 476 { "strict_sack", CTLTYPE_INT }, \ 477 { "looback_nocsum", CTLTYPE_INT }, \ 478 { "strict_init", CTLTYPE_INT }, \ 479 { "peer_chkoh", CTLTYPE_INT }, \ 480 { "maxburst", CTLTYPE_INT }, \ 481 { "maxchunks", CTLTYPE_INT }, \ 482 { "delayed_sack_time", CTLTYPE_INT }, \ 483 { "sack_freq", CTLTYPE_INT }, \ 484 { "heartbeat_interval", CTLTYPE_INT }, \ 485 { "pmtu_raise_time", CTLTYPE_INT }, \ 486 { "shutdown_guard_time", CTLTYPE_INT }, \ 487 { "secret_lifetime", CTLTYPE_INT }, \ 488 { "rto_max", CTLTYPE_INT }, \ 489 { "rto_min", CTLTYPE_INT }, \ 490 { "rto_initial", CTLTYPE_INT }, \ 491 { "init_rto_max", CTLTYPE_INT }, \ 492 { "valid_cookie_life", CTLTYPE_INT }, \ 493 { "init_rtx_max", CTLTYPE_INT }, \ 494 { "assoc_rtx_max", CTLTYPE_INT }, \ 495 { "path_rtx_max", CTLTYPE_INT }, \ 496 { "outgoing_streams", CTLTYPE_INT }, \ 497 { "cmt_on_off", CTLTYPE_INT }, \ 498 { "cwnd_maxburst", CTLTYPE_INT }, \ 499 { "early_fast_retran", CTLTYPE_INT }, \ 500 { "deadlock_detect", CTLTYPE_INT }, \ 501 { "early_fast_retran_msec", CTLTYPE_INT }, \ 502 { "asconf_auth_nochk", CTLTYPE_INT }, \ 503 { "auth_disable", CTLTYPE_INT }, \ 504 { "nat_friendly", CTLTYPE_INT }, \ 505 { "abc_l_var", CTLTYPE_INT }, \ 506 { "max_mbuf_chain", CTLTYPE_INT }, \ 507 { "cmt_use_dac", CTLTYPE_INT }, \ 508 { "do_sctp_drain", CTLTYPE_INT }, \ 509 { "warm_crc_table", CTLTYPE_INT }, \ 510 { "abort_at_limit", CTLTYPE_INT }, \ 511 { "strict_data_order", CTLTYPE_INT }, \ 512 { "tcbhashsize", CTLTYPE_INT }, \ 513 { "pcbhashsize", CTLTYPE_INT }, \ 514 { "chunkscale", CTLTYPE_INT }, \ 515 { "min_split_point", CTLTYPE_INT }, \ 516 { "add_more_on_output", CTLTYPE_INT }, \ 517 { "sys_resource", CTLTYPE_INT }, \ 518 { "asoc_resource", CTLTYPE_INT }, \ 519 { "max_retran_chunk", CTLTYPE_INT }, \ 520 { "min_residual", CTLTYPE_INT }, \ 521} 522#endif 523 524 525#if defined(_KERNEL) 526 527/* 528 * variable definitions 529 */ 530extern uint32_t sctp_sendspace; 531extern uint32_t sctp_recvspace; 532extern uint32_t sctp_auto_asconf; 533extern uint32_t sctp_ecn_enable; 534extern uint32_t sctp_ecn_nonce; 535extern uint32_t sctp_strict_sacks; 536extern uint32_t sctp_no_csum_on_loopback; 537extern uint32_t sctp_strict_init; 538extern uint32_t sctp_peer_chunk_oh; 539extern uint32_t sctp_max_burst_default; 540extern uint32_t sctp_max_chunks_on_queue; 541extern uint32_t sctp_hashtblsize; 542extern uint32_t sctp_pcbtblsize; 543extern uint32_t sctp_min_split_point; 544extern uint32_t sctp_chunkscale; 545extern uint32_t sctp_delayed_sack_time_default; 546extern uint32_t sctp_sack_freq_default; 547extern uint32_t sctp_system_free_resc_limit; 548extern uint32_t sctp_asoc_free_resc_limit; 549extern uint32_t sctp_heartbeat_interval_default; 550extern uint32_t sctp_pmtu_raise_time_default; 551extern uint32_t sctp_shutdown_guard_time_default; 552extern uint32_t sctp_secret_lifetime_default; 553extern uint32_t sctp_rto_max_default; 554extern uint32_t sctp_rto_min_default; 555extern uint32_t sctp_rto_initial_default; 556extern uint32_t sctp_init_rto_max_default; 557extern uint32_t sctp_valid_cookie_life_default; 558extern uint32_t sctp_init_rtx_max_default; 559extern uint32_t sctp_assoc_rtx_max_default; 560extern uint32_t sctp_path_rtx_max_default; 561extern uint32_t sctp_add_more_threshold; 562extern uint32_t sctp_nr_outgoing_streams_default; 563extern uint32_t sctp_cmt_on_off; 564extern uint32_t sctp_use_cwnd_based_maxburst; 565extern uint32_t sctp_early_fr; 566extern uint32_t sctp_use_rttvar_cc; 567extern uint32_t sctp_says_check_for_deadlock; 568extern uint32_t sctp_early_fr_msec; 569extern uint32_t sctp_asconf_auth_nochk; 570extern uint32_t sctp_auth_disable; 571extern uint32_t sctp_nat_friendly; 572extern uint32_t sctp_L2_abc_variable; 573extern uint32_t sctp_mbuf_threshold_count; 574extern uint32_t sctp_cmt_use_dac; 575extern uint32_t sctp_do_drain; 576extern uint32_t sctp_hb_maxburst; 577extern uint32_t sctp_abort_if_one_2_one_hits_limit; 578extern uint32_t sctp_strict_data_order; 579extern uint32_t sctp_min_residual; 580extern uint32_t sctp_max_retran_chunk; 581 582#if defined(SCTP_DEBUG) 583extern uint32_t sctp_debug_on; 584 585#endif 586 587extern struct sctpstat sctpstat; 588 589 590#ifdef SYSCTL_DECL 591SYSCTL_DECL(_net_inet_sctp); 592#endif 593 594#endif /* _KERNEL */ 595#endif /* __sctp_sysctl_h__ */ 596