sctp_sysctl.h revision 269858
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 269858 2014-08-12 11:30:16Z 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_pr_enable; 49 uint32_t sctp_auth_disable; 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_strict_sacks; 56 uint32_t sctp_peer_chunk_oh; 57 uint32_t sctp_max_burst_default; 58 uint32_t sctp_max_chunks_on_queue; 59 uint32_t sctp_hashtblsize; 60 uint32_t sctp_pcbtblsize; 61 uint32_t sctp_min_split_point; 62 uint32_t sctp_chunkscale; 63 uint32_t sctp_delayed_sack_time_default; 64 uint32_t sctp_sack_freq_default; 65 uint32_t sctp_system_free_resc_limit; 66 uint32_t sctp_asoc_free_resc_limit; 67 uint32_t sctp_heartbeat_interval_default; 68 uint32_t sctp_pmtu_raise_time_default; 69 uint32_t sctp_shutdown_guard_time_default; 70 uint32_t sctp_secret_lifetime_default; 71 uint32_t sctp_rto_max_default; 72 uint32_t sctp_rto_min_default; 73 uint32_t sctp_rto_initial_default; 74 uint32_t sctp_init_rto_max_default; 75 uint32_t sctp_valid_cookie_life_default; 76 uint32_t sctp_init_rtx_max_default; 77 uint32_t sctp_assoc_rtx_max_default; 78 uint32_t sctp_path_rtx_max_default; 79 uint32_t sctp_path_pf_threshold; 80 uint32_t sctp_add_more_threshold; 81 uint32_t sctp_nr_incoming_streams_default; 82 uint32_t sctp_nr_outgoing_streams_default; 83 uint32_t sctp_cmt_on_off; 84 uint32_t sctp_cmt_use_dac; 85 uint32_t sctp_use_cwnd_based_maxburst; 86 uint32_t sctp_nat_friendly; 87 uint32_t sctp_L2_abc_variable; 88 uint32_t sctp_mbuf_threshold_count; 89 uint32_t sctp_do_drain; 90 uint32_t sctp_hb_maxburst; 91 uint32_t sctp_abort_if_one_2_one_hits_limit; 92 uint32_t sctp_strict_data_order; 93 uint32_t sctp_min_residual; 94 uint32_t sctp_max_retran_chunk; 95 uint32_t sctp_logging_level; 96 /* JRS - Variable for default congestion control module */ 97 uint32_t sctp_default_cc_module; 98 /* RS - Variable for default stream scheduling module */ 99 uint32_t sctp_default_ss_module; 100 uint32_t sctp_default_frag_interleave; 101 uint32_t sctp_mobility_base; 102 uint32_t sctp_mobility_fasthandoff; 103 uint32_t sctp_inits_include_nat_friendly; 104 uint32_t sctp_rttvar_bw; 105 uint32_t sctp_rttvar_rtt; 106 uint32_t sctp_rttvar_eqret; 107 uint32_t sctp_steady_step; 108 uint32_t sctp_use_dccc_ecn; 109 uint32_t sctp_diag_info_code; 110#if defined(SCTP_LOCAL_TRACE_BUF) 111 struct sctp_log sctp_log; 112#endif 113 uint32_t sctp_udp_tunneling_port; 114 uint32_t sctp_enable_sack_immediately; 115 uint32_t sctp_vtag_time_wait; 116 uint32_t sctp_buffer_splitting; 117 uint32_t sctp_initial_cwnd; 118 uint32_t sctp_blackhole; 119#if defined(SCTP_DEBUG) 120 uint32_t sctp_debug_on; 121#endif 122#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 123 uint32_t sctp_output_unlocked; 124#endif 125}; 126 127/* 128 * limits for the sysctl variables 129 */ 130/* maxdgram: Maximum outgoing SCTP buffer size */ 131#define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size" 132#define SCTPCTL_MAXDGRAM_MIN 0 133#define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF 134#define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */ 135 136/* recvspace: Maximum incoming SCTP buffer size */ 137#define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size" 138#define SCTPCTL_RECVSPACE_MIN 0 139#define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF 140#define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */ 141 142/* autoasconf: Enable SCTP Auto-ASCONF */ 143#define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF" 144#define SCTPCTL_AUTOASCONF_MIN 0 145#define SCTPCTL_AUTOASCONF_MAX 1 146#define SCTPCTL_AUTOASCONF_DEFAULT SCTP_DEFAULT_AUTO_ASCONF 147 148/* autoasconf: Enable SCTP Auto-ASCONF */ 149#define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Muliple-ASCONFs" 150#define SCTPCTL_MULTIPLEASCONFS_MIN 0 151#define SCTPCTL_MULTIPLEASCONFS_MAX 1 152#define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS 153 154/* ecn_enable: Enable SCTP ECN */ 155#define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN" 156#define SCTPCTL_ECN_ENABLE_MIN 0 157#define SCTPCTL_ECN_ENABLE_MAX 1 158#define SCTPCTL_ECN_ENABLE_DEFAULT 1 159 160/* pr_enable: Enable PR-SCTP */ 161#define SCTPCTL_PR_ENABLE_DESC "Enable PR-SCTP" 162#define SCTPCTL_PR_ENABLE_MIN 0 163#define SCTPCTL_PR_ENABLE_MAX 1 164#define SCTPCTL_PR_ENABLE_DEFAULT 1 165 166/* auth_disable: Disable SCTP AUTH function */ 167#define SCTPCTL_AUTH_DISABLE_DESC "Disable SCTP AUTH function" 168#define SCTPCTL_AUTH_DISABLE_MIN 0 169#define SCTPCTL_AUTH_DISABLE_MAX 1 170#define SCTPCTL_AUTH_DISABLE_DEFAULT 0 171 172/* asconf_enable: Enable SCTP ASCONF */ 173#define SCTPCTL_ASCONF_ENABLE_DESC "Enable SCTP ASCONF" 174#define SCTPCTL_ASCONF_ENABLE_MIN 0 175#define SCTPCTL_ASCONF_ENABLE_MAX 1 176#define SCTPCTL_ASCONF_ENABLE_DEFAULT 1 177 178/* reconfig_enable: Enable SCTP RE-CONFIG */ 179#define SCTPCTL_RECONFIG_ENABLE_DESC "Enable SCTP RE-CONFIG" 180#define SCTPCTL_RECONFIG_ENABLE_MIN 0 181#define SCTPCTL_RECONFIG_ENABLE_MAX 1 182#define SCTPCTL_RECONFIG_ENABLE_DEFAULT 1 183 184/* nrsack_enable: Enable NR_SACK */ 185#define SCTPCTL_NRSACK_ENABLE_DESC "Enable SCTP NR-SACK" 186#define SCTPCTL_NRSACK_ENABLE_MIN 0 187#define SCTPCTL_NRSACK_ENABLE_MAX 1 188#define SCTPCTL_NRSACK_ENABLE_DEFAULT 0 189 190/* pktdrop_enable: Enable SCTP Packet Drop Reports */ 191#define SCTPCTL_PKTDROP_ENABLE_DESC "Enable SCTP PKTDROP" 192#define SCTPCTL_PKTDROP_ENABLE_MIN 0 193#define SCTPCTL_PKTDROP_ENABLE_MAX 1 194#define SCTPCTL_PKTDROP_ENABLE_DEFAULT 0 195 196/* strict_sacks: Enable SCTP Strict SACK checking */ 197#define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking" 198#define SCTPCTL_STRICT_SACKS_MIN 0 199#define SCTPCTL_STRICT_SACKS_MAX 1 200#define SCTPCTL_STRICT_SACKS_DEFAULT 1 201 202/* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 203#define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 204#define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 205#define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 206#define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 207 208/* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 209#define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 210#define SCTPCTL_PEER_CHKOH_MIN 0 211#define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 212#define SCTPCTL_PEER_CHKOH_DEFAULT 256 213 214/* maxburst: Default max burst for sctp endpoints */ 215#define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 216#define SCTPCTL_MAXBURST_MIN 0 217#define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 218#define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 219 220/* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */ 221#define SCTPCTL_FRMAXBURST_DESC "Default fr max burst for sctp endpoints" 222#define SCTPCTL_FRMAXBURST_MIN 0 223#define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF 224#define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST 225 226 227/* maxchunks: Default max chunks on queue per asoc */ 228#define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 229#define SCTPCTL_MAXCHUNKS_MIN 0 230#define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 231#define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 232 233/* tcbhashsize: Tunable for Hash table sizes */ 234#define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 235#define SCTPCTL_TCBHASHSIZE_MIN 1 236#define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 237#define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 238 239/* pcbhashsize: Tunable for PCB Hash table sizes */ 240#define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 241#define SCTPCTL_PCBHASHSIZE_MIN 1 242#define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 243#define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 244 245/* min_split_point: Minimum size when splitting a chunk */ 246#define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 247#define SCTPCTL_MIN_SPLIT_POINT_MIN 0 248#define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 249#define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 250 251/* chunkscale: Tunable for Scaling of number of chunks and messages */ 252#define SCTPCTL_CHUNKSCALE_DESC "Tunable for Scaling of number of chunks and messages" 253#define SCTPCTL_CHUNKSCALE_MIN 1 254#define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 255#define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 256 257/* delayed_sack_time: Default delayed SACK timer in ms */ 258#define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms" 259#define SCTPCTL_DELAYED_SACK_TIME_MIN 0 260#define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 261#define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 262 263/* sack_freq: Default SACK frequency */ 264#define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 265#define SCTPCTL_SACK_FREQ_MIN 0 266#define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 267#define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 268 269/* sys_resource: Max number of cached resources in the system */ 270#define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 271#define SCTPCTL_SYS_RESOURCE_MIN 0 272#define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 273#define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 274 275/* asoc_resource: Max number of cached resources in an asoc */ 276#define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 277#define SCTPCTL_ASOC_RESOURCE_MIN 0 278#define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 279#define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 280 281/* heartbeat_interval: Default heartbeat interval in ms */ 282#define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms" 283#define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 284#define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 285#define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 286 287/* pmtu_raise_time: Default PMTU raise timer in seconds */ 288#define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds" 289#define SCTPCTL_PMTU_RAISE_TIME_MIN 0 290#define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 291#define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 292 293/* shutdown_guard_time: Default shutdown guard timer in seconds */ 294#define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Default shutdown guard timer in seconds" 295#define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 296#define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 297#define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT SCTP_DEF_MAX_SHUTDOWN_SEC 298 299/* secret_lifetime: Default secret lifetime in seconds */ 300#define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds" 301#define SCTPCTL_SECRET_LIFETIME_MIN 0 302#define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 303#define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 304 305/* rto_max: Default maximum retransmission timeout in ms */ 306#define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms" 307#define SCTPCTL_RTO_MAX_MIN 0 308#define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 309#define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 310 311/* rto_min: Default minimum retransmission timeout in ms */ 312#define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms" 313#define SCTPCTL_RTO_MIN_MIN 0 314#define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 315#define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 316 317/* rto_initial: Default initial retransmission timeout in ms */ 318#define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms" 319#define SCTPCTL_RTO_INITIAL_MIN 0 320#define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 321#define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 322 323/* init_rto_max: Default maximum retransmission timeout during association setup in ms */ 324#define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms" 325#define SCTPCTL_INIT_RTO_MAX_MIN 0 326#define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 327#define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 328 329/* valid_cookie_life: Default cookie lifetime in sec */ 330#define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in seconds" 331#define SCTPCTL_VALID_COOKIE_LIFE_MIN 0 332#define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF 333#define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 334 335/* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 336#define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks" 337#define SCTPCTL_INIT_RTX_MAX_MIN 0 338#define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 339#define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 340 341/* assoc_rtx_max: Default maximum number of retransmissions per association */ 342#define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 343#define SCTPCTL_ASSOC_RTX_MAX_MIN 0 344#define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 345#define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 346 347/* path_rtx_max: Default maximum of retransmissions per path */ 348#define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 349#define SCTPCTL_PATH_RTX_MAX_MIN 0 350#define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 351#define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 352 353/* path_pf_threshold: threshold for considering the path potentially failed */ 354#define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold" 355#define SCTPCTL_PATH_PF_THRESHOLD_MIN 0 356#define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF 357#define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX 358 359/* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */ 360#define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer" 361#define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 362#define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 363#define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 364 365/* incoming_streams: Default number of incoming streams */ 366#define SCTPCTL_INCOMING_STREAMS_DESC "Default number of incoming streams" 367#define SCTPCTL_INCOMING_STREAMS_MIN 1 368#define SCTPCTL_INCOMING_STREAMS_MAX 65535 369#define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL 370 371/* outgoing_streams: Default number of outgoing streams */ 372#define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 373#define SCTPCTL_OUTGOING_STREAMS_MIN 1 374#define SCTPCTL_OUTGOING_STREAMS_MAX 65535 375#define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 376 377/* cmt_on_off: CMT on/off flag */ 378#define SCTPCTL_CMT_ON_OFF_DESC "CMT settings" 379#define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF 380#define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX 381#define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF 382 383/* cmt_use_dac: CMT DAC on/off flag */ 384#define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 385#define SCTPCTL_CMT_USE_DAC_MIN 0 386#define SCTPCTL_CMT_USE_DAC_MAX 1 387#define SCTPCTL_CMT_USE_DAC_DEFAULT 0 388 389/* cwnd_maxburst: Use a CWND adjusting maxburst */ 390#define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst" 391#define SCTPCTL_CWND_MAXBURST_MIN 0 392#define SCTPCTL_CWND_MAXBURST_MAX 1 393#define SCTPCTL_CWND_MAXBURST_DEFAULT 1 394 395/* nat_friendly: SCTP NAT friendly operation */ 396#define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 397#define SCTPCTL_NAT_FRIENDLY_MIN 0 398#define SCTPCTL_NAT_FRIENDLY_MAX 1 399#define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 400 401/* abc_l_var: SCTP ABC max increase per SACK (L) */ 402#define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 403#define SCTPCTL_ABC_L_VAR_MIN 0 404#define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 405#define SCTPCTL_ABC_L_VAR_DEFAULT 2 406 407/* max_chained_mbufs: Default max number of small mbufs on a chain */ 408#define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 409#define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 410#define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 411#define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 412 413/* do_sctp_drain: Should SCTP respond to the drain calls */ 414#define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 415#define SCTPCTL_DO_SCTP_DRAIN_MIN 0 416#define SCTPCTL_DO_SCTP_DRAIN_MAX 1 417#define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 418 419/* hb_max_burst: Confirmation Heartbeat max burst? */ 420#define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst" 421#define SCTPCTL_HB_MAX_BURST_MIN 1 422#define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 423#define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST 424 425/* abort_at_limit: When one-2-one hits qlimit abort */ 426#define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort" 427#define SCTPCTL_ABORT_AT_LIMIT_MIN 0 428#define SCTPCTL_ABORT_AT_LIMIT_MAX 1 429#define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 430 431/* strict_data_order: Enforce strict data ordering, abort if control inside data */ 432#define SCTPCTL_STRICT_DATA_ORDER_DESC "Enforce strict data ordering, abort if control inside data" 433#define SCTPCTL_STRICT_DATA_ORDER_MIN 0 434#define SCTPCTL_STRICT_DATA_ORDER_MAX 1 435#define SCTPCTL_STRICT_DATA_ORDER_DEFAULT 0 436 437/* min_residual: min residual in a data fragment leftover */ 438#define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 439#define SCTPCTL_MIN_RESIDUAL_MIN 20 440#define SCTPCTL_MIN_RESIDUAL_MAX 65535 441#define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 442 443/* max_retran_chunk: max chunk retransmissions */ 444#define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retran'd before assoc abort" 445#define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 446#define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 447#define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 448 449/* sctp_logging: This gives us logging when the options are enabled */ 450#define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level" 451#define SCTPCTL_LOGGING_LEVEL_MIN 0 452#define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff 453#define SCTPCTL_LOGGING_LEVEL_DEFAULT 0 454 455/* JRS - default congestion control module sysctl */ 456#define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module" 457#define SCTPCTL_DEFAULT_CC_MODULE_MIN 0 458#define SCTPCTL_DEFAULT_CC_MODULE_MAX 2 459#define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0 460 461/* RS - default stream scheduling module sysctl */ 462#define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module" 463#define SCTPCTL_DEFAULT_SS_MODULE_MIN 0 464#define SCTPCTL_DEFAULT_SS_MODULE_MAX 5 465#define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0 466 467/* RRS - default fragment interleave */ 468#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level" 469#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0 470#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2 471#define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1 472 473/* mobility_base: Enable SCTP mobility support */ 474#define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility" 475#define SCTPCTL_MOBILITY_BASE_MIN 0 476#define SCTPCTL_MOBILITY_BASE_MAX 1 477#define SCTPCTL_MOBILITY_BASE_DEFAULT SCTP_DEFAULT_MOBILITY_BASE 478 479/* mobility_fasthandoff: Enable SCTP fast handoff support */ 480#define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff" 481#define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0 482#define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1 483#define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT SCTP_DEFAULT_MOBILITY_FASTHANDOFF 484 485/* Enable SCTP/UDP tunneling port */ 486#define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port" 487#define SCTPCTL_UDP_TUNNELING_PORT_MIN 0 488#define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535 489#define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT 0 490 491/* Enable sending of the SACK-IMMEDIATELY bit */ 492#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit." 493#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0 494#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1 495#define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 496 497/* Enable sending of the NAT-FRIENDLY message */ 498#define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs." 499#define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0 500#define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1 501#define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN 502 503/* Vtag time wait in seconds */ 504#define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it." 505#define SCTPCTL_TIME_WAIT_MIN 0 506#define SCTPCTL_TIME_WAIT_MAX 0xffffffff 507#define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT 508 509/* Enable Send/Receive buffer splitting */ 510#define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting." 511#define SCTPCTL_BUFFER_SPLITTING_MIN 0 512#define SCTPCTL_BUFFER_SPLITTING_MAX 0x3 513#define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN 514 515/* Initial congestion window in MTU */ 516#define SCTPCTL_INITIAL_CWND_DESC "Initial congestion window in MTUs" 517#define SCTPCTL_INITIAL_CWND_MIN 0 518#define SCTPCTL_INITIAL_CWND_MAX 0xffffffff 519#define SCTPCTL_INITIAL_CWND_DEFAULT 3 520 521/* rttvar smooth avg for bw calc */ 522#define SCTPCTL_RTTVAR_BW_DESC "Shift amount for bw smoothing on rtt calc" 523#define SCTPCTL_RTTVAR_BW_MIN 0 524#define SCTPCTL_RTTVAR_BW_MAX 32 525#define SCTPCTL_RTTVAR_BW_DEFAULT 4 526 527/* rttvar smooth avg for bw calc */ 528#define SCTPCTL_RTTVAR_RTT_DESC "Shift amount for rtt smoothing on rtt calc" 529#define SCTPCTL_RTTVAR_RTT_MIN 0 530#define SCTPCTL_RTTVAR_RTT_MAX 32 531#define SCTPCTL_RTTVAR_RTT_DEFAULT 5 532 533#define SCTPCTL_RTTVAR_EQRET_DESC "What to return when rtt and bw are unchanged" 534#define SCTPCTL_RTTVAR_EQRET_MIN 0 535#define SCTPCTL_RTTVAR_EQRET_MAX 1 536#define SCTPCTL_RTTVAR_EQRET_DEFAULT 0 537 538#define SCTPCTL_RTTVAR_STEADYS_DESC "How many the sames it takes to try step down of cwnd" 539#define SCTPCTL_RTTVAR_STEADYS_MIN 0 540#define SCTPCTL_RTTVAR_STEADYS_MAX 0xFFFF 541#define SCTPCTL_RTTVAR_STEADYS_DEFAULT 20 /* 0 means disable feature */ 542 543#define SCTPCTL_RTTVAR_DCCCECN_DESC "Enable for RTCC CC datacenter ECN" 544#define SCTPCTL_RTTVAR_DCCCECN_MIN 0 545#define SCTPCTL_RTTVAR_DCCCECN_MAX 1 546#define SCTPCTL_RTTVAR_DCCCECN_DEFAULT 1 /* 0 means disable feature */ 547 548#define SCTPCTL_BLACKHOLE_DESC "Enable SCTP blackholing" 549#define SCTPCTL_BLACKHOLE_MIN 0 550#define SCTPCTL_BLACKHOLE_MAX 2 551#define SCTPCTL_BLACKHOLE_DEFAULT SCTPCTL_BLACKHOLE_MIN 552 553#define SCTPCTL_DIAG_INFO_CODE_DESC "Diagnostic information error cause code" 554#define SCTPCTL_DIAG_INFO_CODE_MIN 0 555#define SCTPCTL_DIAG_INFO_CODE_MAX 65535 556#define SCTPCTL_DIAG_INFO_CODE_DEFAULT 0 557 558#if defined(SCTP_DEBUG) 559/* debug: Configure debug output */ 560#define SCTPCTL_DEBUG_DESC "Configure debug output" 561#define SCTPCTL_DEBUG_MIN 0 562#define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 563#define SCTPCTL_DEBUG_DEFAULT 0 564#endif 565 566 567#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 568#define SCTPCTL_OUTPUT_UNLOCKED_DESC "Unlock socket when sending packets down to IP." 569#define SCTPCTL_OUTPUT_UNLOCKED_MIN 0 570#define SCTPCTL_OUTPUT_UNLOCKED_MAX 1 571#define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN 572#endif 573 574 575#if defined(_KERNEL) || defined(__Userspace__) 576#if defined(SYSCTL_DECL) 577SYSCTL_DECL(_net_inet_sctp); 578#endif 579 580void sctp_init_sysctls(void); 581 582#endif /* _KERNEL */ 583#endif /* __sctp_sysctl_h__ */ 584