sctp_sysctl.h revision 252779
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: head/sys/netinet/sctp_sysctl.h 252779 2013-07-05 10:08:49Z tuexen $"); 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_fr_max_burst_default; 49 uint32_t sctp_strict_sacks; 50 uint32_t sctp_peer_chunk_oh; 51 uint32_t sctp_max_burst_default; 52 uint32_t sctp_max_chunks_on_queue; 53 uint32_t sctp_hashtblsize; 54 uint32_t sctp_pcbtblsize; 55 uint32_t sctp_min_split_point; 56 uint32_t sctp_chunkscale; 57 uint32_t sctp_delayed_sack_time_default; 58 uint32_t sctp_sack_freq_default; 59 uint32_t sctp_system_free_resc_limit; 60 uint32_t sctp_asoc_free_resc_limit; 61 uint32_t sctp_heartbeat_interval_default; 62 uint32_t sctp_pmtu_raise_time_default; 63 uint32_t sctp_shutdown_guard_time_default; 64 uint32_t sctp_secret_lifetime_default; 65 uint32_t sctp_rto_max_default; 66 uint32_t sctp_rto_min_default; 67 uint32_t sctp_rto_initial_default; 68 uint32_t sctp_init_rto_max_default; 69 uint32_t sctp_valid_cookie_life_default; 70 uint32_t sctp_init_rtx_max_default; 71 uint32_t sctp_assoc_rtx_max_default; 72 uint32_t sctp_path_rtx_max_default; 73 uint32_t sctp_path_pf_threshold; 74 uint32_t sctp_add_more_threshold; 75 uint32_t sctp_nr_incoming_streams_default; 76 uint32_t sctp_nr_outgoing_streams_default; 77 uint32_t sctp_cmt_on_off; 78 uint32_t sctp_cmt_use_dac; 79 /* EY 5/5/08 - nr_sack flag variable */ 80 uint32_t sctp_nr_sack_on_off; 81 uint32_t sctp_use_cwnd_based_maxburst; 82 uint32_t sctp_asconf_auth_nochk; 83 uint32_t sctp_auth_disable; 84 uint32_t sctp_nat_friendly; 85 uint32_t sctp_L2_abc_variable; 86 uint32_t sctp_mbuf_threshold_count; 87 uint32_t sctp_do_drain; 88 uint32_t sctp_hb_maxburst; 89 uint32_t sctp_abort_if_one_2_one_hits_limit; 90 uint32_t sctp_strict_data_order; 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#if defined(SCTP_LOCAL_TRACE_BUF) 108 struct sctp_log sctp_log; 109#endif 110 uint32_t sctp_udp_tunneling_port; 111 uint32_t sctp_enable_sack_immediately; 112 uint32_t sctp_vtag_time_wait; 113 uint32_t sctp_buffer_splitting; 114 uint32_t sctp_initial_cwnd; 115 uint32_t sctp_blackhole; 116#if defined(SCTP_DEBUG) 117 uint32_t sctp_debug_on; 118#endif 119#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 120 uint32_t sctp_output_unlocked; 121#endif 122}; 123 124/* 125 * limits for the sysctl variables 126 */ 127/* maxdgram: Maximum outgoing SCTP buffer size */ 128#define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size" 129#define SCTPCTL_MAXDGRAM_MIN 0 130#define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF 131#define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */ 132 133/* recvspace: Maximum incoming SCTP buffer size */ 134#define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size" 135#define SCTPCTL_RECVSPACE_MIN 0 136#define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF 137#define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */ 138 139/* autoasconf: Enable SCTP Auto-ASCONF */ 140#define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF" 141#define SCTPCTL_AUTOASCONF_MIN 0 142#define SCTPCTL_AUTOASCONF_MAX 1 143#define SCTPCTL_AUTOASCONF_DEFAULT SCTP_DEFAULT_AUTO_ASCONF 144 145/* autoasconf: Enable SCTP Auto-ASCONF */ 146#define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Muliple-ASCONFs" 147#define SCTPCTL_MULTIPLEASCONFS_MIN 0 148#define SCTPCTL_MULTIPLEASCONFS_MAX 1 149#define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS 150 151/* ecn_enable: Enable SCTP ECN */ 152#define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN" 153#define SCTPCTL_ECN_ENABLE_MIN 0 154#define SCTPCTL_ECN_ENABLE_MAX 1 155#define SCTPCTL_ECN_ENABLE_DEFAULT 1 156 157/* strict_sacks: Enable SCTP Strict SACK checking */ 158#define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking" 159#define SCTPCTL_STRICT_SACKS_MIN 0 160#define SCTPCTL_STRICT_SACKS_MAX 1 161#define SCTPCTL_STRICT_SACKS_DEFAULT 1 162 163/* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 164#define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 165#define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 166#define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 167#define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 168 169/* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 170#define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 171#define SCTPCTL_PEER_CHKOH_MIN 0 172#define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 173#define SCTPCTL_PEER_CHKOH_DEFAULT 256 174 175/* maxburst: Default max burst for sctp endpoints */ 176#define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 177#define SCTPCTL_MAXBURST_MIN 0 178#define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 179#define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 180 181/* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */ 182#define SCTPCTL_FRMAXBURST_DESC "Default fr max burst for sctp endpoints" 183#define SCTPCTL_FRMAXBURST_MIN 0 184#define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF 185#define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST 186 187 188/* maxchunks: Default max chunks on queue per asoc */ 189#define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 190#define SCTPCTL_MAXCHUNKS_MIN 0 191#define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 192#define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 193 194/* tcbhashsize: Tunable for Hash table sizes */ 195#define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 196#define SCTPCTL_TCBHASHSIZE_MIN 1 197#define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 198#define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 199 200/* pcbhashsize: Tunable for PCB Hash table sizes */ 201#define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 202#define SCTPCTL_PCBHASHSIZE_MIN 1 203#define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 204#define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 205 206/* min_split_point: Minimum size when splitting a chunk */ 207#define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 208#define SCTPCTL_MIN_SPLIT_POINT_MIN 0 209#define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 210#define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 211 212/* chunkscale: Tunable for Scaling of number of chunks and messages */ 213#define SCTPCTL_CHUNKSCALE_DESC "Tunable for Scaling of number of chunks and messages" 214#define SCTPCTL_CHUNKSCALE_MIN 1 215#define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 216#define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 217 218/* delayed_sack_time: Default delayed SACK timer in ms */ 219#define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms" 220#define SCTPCTL_DELAYED_SACK_TIME_MIN 0 221#define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 222#define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 223 224/* sack_freq: Default SACK frequency */ 225#define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 226#define SCTPCTL_SACK_FREQ_MIN 0 227#define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 228#define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 229 230/* sys_resource: Max number of cached resources in the system */ 231#define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 232#define SCTPCTL_SYS_RESOURCE_MIN 0 233#define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 234#define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 235 236/* asoc_resource: Max number of cached resources in an asoc */ 237#define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 238#define SCTPCTL_ASOC_RESOURCE_MIN 0 239#define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 240#define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 241 242/* heartbeat_interval: Default heartbeat interval in ms */ 243#define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms" 244#define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 245#define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 246#define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 247 248/* pmtu_raise_time: Default PMTU raise timer in seconds */ 249#define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds" 250#define SCTPCTL_PMTU_RAISE_TIME_MIN 0 251#define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 252#define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 253 254/* shutdown_guard_time: Default shutdown guard timer in seconds */ 255#define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Default shutdown guard timer in seconds" 256#define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 257#define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 258#define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT SCTP_DEF_MAX_SHUTDOWN_SEC 259 260/* secret_lifetime: Default secret lifetime in seconds */ 261#define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds" 262#define SCTPCTL_SECRET_LIFETIME_MIN 0 263#define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 264#define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 265 266/* rto_max: Default maximum retransmission timeout in ms */ 267#define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms" 268#define SCTPCTL_RTO_MAX_MIN 0 269#define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 270#define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 271 272/* rto_min: Default minimum retransmission timeout in ms */ 273#define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms" 274#define SCTPCTL_RTO_MIN_MIN 0 275#define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 276#define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 277 278/* rto_initial: Default initial retransmission timeout in ms */ 279#define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms" 280#define SCTPCTL_RTO_INITIAL_MIN 0 281#define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 282#define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 283 284/* init_rto_max: Default maximum retransmission timeout during association setup in ms */ 285#define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms" 286#define SCTPCTL_INIT_RTO_MAX_MIN 0 287#define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 288#define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 289 290/* valid_cookie_life: Default cookie lifetime in sec */ 291#define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in seconds" 292#define SCTPCTL_VALID_COOKIE_LIFE_MIN 0 293#define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF 294#define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 295 296/* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 297#define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks" 298#define SCTPCTL_INIT_RTX_MAX_MIN 0 299#define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 300#define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 301 302/* assoc_rtx_max: Default maximum number of retransmissions per association */ 303#define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 304#define SCTPCTL_ASSOC_RTX_MAX_MIN 0 305#define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 306#define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 307 308/* path_rtx_max: Default maximum of retransmissions per path */ 309#define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 310#define SCTPCTL_PATH_RTX_MAX_MIN 0 311#define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 312#define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 313 314/* path_pf_threshold: threshold for considering the path potentially failed */ 315#define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold" 316#define SCTPCTL_PATH_PF_THRESHOLD_MIN 0 317#define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF 318#define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX 319 320/* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */ 321#define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer" 322#define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 323#define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 324#define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 325 326/* incoming_streams: Default number of incoming streams */ 327#define SCTPCTL_INCOMING_STREAMS_DESC "Default number of incoming streams" 328#define SCTPCTL_INCOMING_STREAMS_MIN 1 329#define SCTPCTL_INCOMING_STREAMS_MAX 65535 330#define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL 331 332/* outgoing_streams: Default number of outgoing streams */ 333#define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 334#define SCTPCTL_OUTGOING_STREAMS_MIN 1 335#define SCTPCTL_OUTGOING_STREAMS_MAX 65535 336#define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 337 338/* cmt_on_off: CMT on/off flag */ 339#define SCTPCTL_CMT_ON_OFF_DESC "CMT settings" 340#define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF 341#define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX 342#define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF 343 344/* EY - nr_sack_on_off: NR_SACK on/off flag */ 345#define SCTPCTL_NR_SACK_ON_OFF_DESC "NR_SACK on/off flag" 346#define SCTPCTL_NR_SACK_ON_OFF_MIN 0 347#define SCTPCTL_NR_SACK_ON_OFF_MAX 1 348#define SCTPCTL_NR_SACK_ON_OFF_DEFAULT 0 349 350/* cmt_use_dac: CMT DAC on/off flag */ 351#define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 352#define SCTPCTL_CMT_USE_DAC_MIN 0 353#define SCTPCTL_CMT_USE_DAC_MAX 1 354#define SCTPCTL_CMT_USE_DAC_DEFAULT 0 355 356/* cwnd_maxburst: Use a CWND adjusting maxburst */ 357#define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst" 358#define SCTPCTL_CWND_MAXBURST_MIN 0 359#define SCTPCTL_CWND_MAXBURST_MAX 1 360#define SCTPCTL_CWND_MAXBURST_DEFAULT 1 361 362/* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */ 363#define SCTPCTL_ASCONF_AUTH_NOCHK_DESC "Disable SCTP ASCONF AUTH requirement" 364#define SCTPCTL_ASCONF_AUTH_NOCHK_MIN 0 365#define SCTPCTL_ASCONF_AUTH_NOCHK_MAX 1 366#define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT 0 367 368/* auth_disable: Disable SCTP AUTH function */ 369#define SCTPCTL_AUTH_DISABLE_DESC "Disable SCTP AUTH function" 370#define SCTPCTL_AUTH_DISABLE_MIN 0 371#define SCTPCTL_AUTH_DISABLE_MAX 1 372#define SCTPCTL_AUTH_DISABLE_DEFAULT 0 373 374/* nat_friendly: SCTP NAT friendly operation */ 375#define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 376#define SCTPCTL_NAT_FRIENDLY_MIN 0 377#define SCTPCTL_NAT_FRIENDLY_MAX 1 378#define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 379 380/* abc_l_var: SCTP ABC max increase per SACK (L) */ 381#define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 382#define SCTPCTL_ABC_L_VAR_MIN 0 383#define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 384#define SCTPCTL_ABC_L_VAR_DEFAULT 2 385 386/* max_chained_mbufs: Default max number of small mbufs on a chain */ 387#define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 388#define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 389#define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 390#define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 391 392/* do_sctp_drain: Should SCTP respond to the drain calls */ 393#define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 394#define SCTPCTL_DO_SCTP_DRAIN_MIN 0 395#define SCTPCTL_DO_SCTP_DRAIN_MAX 1 396#define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 397 398/* hb_max_burst: Confirmation Heartbeat max burst? */ 399#define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst" 400#define SCTPCTL_HB_MAX_BURST_MIN 1 401#define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 402#define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST 403 404/* abort_at_limit: When one-2-one hits qlimit abort */ 405#define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort" 406#define SCTPCTL_ABORT_AT_LIMIT_MIN 0 407#define SCTPCTL_ABORT_AT_LIMIT_MAX 1 408#define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 409 410/* strict_data_order: Enforce strict data ordering, abort if control inside data */ 411#define SCTPCTL_STRICT_DATA_ORDER_DESC "Enforce strict data ordering, abort if control inside data" 412#define SCTPCTL_STRICT_DATA_ORDER_MIN 0 413#define SCTPCTL_STRICT_DATA_ORDER_MAX 1 414#define SCTPCTL_STRICT_DATA_ORDER_DEFAULT 0 415 416/* min_residual: min residual in a data fragment leftover */ 417#define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 418#define SCTPCTL_MIN_RESIDUAL_MIN 20 419#define SCTPCTL_MIN_RESIDUAL_MAX 65535 420#define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 421 422/* max_retran_chunk: max chunk retransmissions */ 423#define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retran'd before assoc abort" 424#define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 425#define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 426#define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 427 428/* sctp_logging: This gives us logging when the options are enabled */ 429#define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level" 430#define SCTPCTL_LOGGING_LEVEL_MIN 0 431#define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff 432#define SCTPCTL_LOGGING_LEVEL_DEFAULT 0 433 434/* JRS - default congestion control module sysctl */ 435#define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module" 436#define SCTPCTL_DEFAULT_CC_MODULE_MIN 0 437#define SCTPCTL_DEFAULT_CC_MODULE_MAX 2 438#define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0 439 440/* RS - default stream scheduling module sysctl */ 441#define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module" 442#define SCTPCTL_DEFAULT_SS_MODULE_MIN 0 443#define SCTPCTL_DEFAULT_SS_MODULE_MAX 5 444#define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0 445 446/* RRS - default fragment interleave */ 447#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level" 448#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0 449#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2 450#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1 451 452/* mobility_base: Enable SCTP mobility support */ 453#define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility" 454#define SCTPCTL_MOBILITY_BASE_MIN 0 455#define SCTPCTL_MOBILITY_BASE_MAX 1 456#define SCTPCTL_MOBILITY_BASE_DEFAULT SCTP_DEFAULT_MOBILITY_BASE 457 458/* mobility_fasthandoff: Enable SCTP fast handoff support */ 459#define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff" 460#define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0 461#define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1 462#define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT SCTP_DEFAULT_MOBILITY_FASTHANDOFF 463 464/* Enable SCTP/UDP tunneling port */ 465#define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port" 466#define SCTPCTL_UDP_TUNNELING_PORT_MIN 0 467#define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535 468#define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT SCTP_OVER_UDP_TUNNELING_PORT 469 470/* Enable sending of the SACK-IMMEDIATELY bit */ 471#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit." 472#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0 473#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1 474#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 475 476/* Enable sending of the NAT-FRIENDLY message */ 477#define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs." 478#define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0 479#define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1 480#define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN 481 482/* Vtag time wait in seconds */ 483#define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it." 484#define SCTPCTL_TIME_WAIT_MIN 0 485#define SCTPCTL_TIME_WAIT_MAX 0xffffffff 486#define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT 487 488/* Enable Send/Receive buffer splitting */ 489#define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting." 490#define SCTPCTL_BUFFER_SPLITTING_MIN 0 491#define SCTPCTL_BUFFER_SPLITTING_MAX 0x3 492#define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN 493 494/* Initial congestion window in MTU */ 495#define SCTPCTL_INITIAL_CWND_DESC "Initial congestion window in MTUs" 496#define SCTPCTL_INITIAL_CWND_MIN 0 497#define SCTPCTL_INITIAL_CWND_MAX 0xffffffff 498#define SCTPCTL_INITIAL_CWND_DEFAULT 3 499 500/* rttvar smooth avg for bw calc */ 501#define SCTPCTL_RTTVAR_BW_DESC "Shift amount for bw smoothing on rtt calc" 502#define SCTPCTL_RTTVAR_BW_MIN 0 503#define SCTPCTL_RTTVAR_BW_MAX 32 504#define SCTPCTL_RTTVAR_BW_DEFAULT 4 505 506/* rttvar smooth avg for bw calc */ 507#define SCTPCTL_RTTVAR_RTT_DESC "Shift amount for rtt smoothing on rtt calc" 508#define SCTPCTL_RTTVAR_RTT_MIN 0 509#define SCTPCTL_RTTVAR_RTT_MAX 32 510#define SCTPCTL_RTTVAR_RTT_DEFAULT 5 511 512#define SCTPCTL_RTTVAR_EQRET_DESC "What to return when rtt and bw are unchanged" 513#define SCTPCTL_RTTVAR_EQRET_MIN 0 514#define SCTPCTL_RTTVAR_EQRET_MAX 1 515#define SCTPCTL_RTTVAR_EQRET_DEFAULT 0 516 517#define SCTPCTL_RTTVAR_STEADYS_DESC "How many the sames it takes to try step down of cwnd" 518#define SCTPCTL_RTTVAR_STEADYS_MIN 0 519#define SCTPCTL_RTTVAR_STEADYS_MAX 0xFFFF 520#define SCTPCTL_RTTVAR_STEADYS_DEFAULT 20 /* 0 means disable feature */ 521 522#define SCTPCTL_RTTVAR_DCCCECN_DESC "Enable for RTCC CC datacenter ECN" 523#define SCTPCTL_RTTVAR_DCCCECN_MIN 0 524#define SCTPCTL_RTTVAR_DCCCECN_MAX 1 525#define SCTPCTL_RTTVAR_DCCCECN_DEFAULT 1 /* 0 means disable feature */ 526 527#define SCTPCTL_BLACKHOLE_DESC "Enable SCTP blackholing" 528#define SCTPCTL_BLACKHOLE_MIN 0 529#define SCTPCTL_BLACKHOLE_MAX 2 530#define SCTPCTL_BLACKHOLE_DEFAULT SCTPCTL_BLACKHOLE_MIN 531 532#if defined(SCTP_DEBUG) 533/* debug: Configure debug output */ 534#define SCTPCTL_DEBUG_DESC "Configure debug output" 535#define SCTPCTL_DEBUG_MIN 0 536#define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 537#define SCTPCTL_DEBUG_DEFAULT 0 538#endif 539 540 541#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 542#define SCTPCTL_OUTPUT_UNLOCKED_DESC "Unlock socket when sending packets down to IP." 543#define SCTPCTL_OUTPUT_UNLOCKED_MIN 0 544#define SCTPCTL_OUTPUT_UNLOCKED_MAX 1 545#define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN 546#endif 547 548 549#if defined(_KERNEL) || defined(__Userspace__) 550#if defined(SYSCTL_DECL) 551SYSCTL_DECL(_net_inet_sctp); 552#endif 553 554void sctp_init_sysctls(void); 555 556#endif /* _KERNEL */ 557#endif /* __sctp_sysctl_h__ */ 558