1 /*- 2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2011, 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 __sctp_sysctl_h__ 37 #define __sctp_sysctl_h__ 38 39 #include <netinet/sctp_os.h> 40 #include <netinet/sctp_constants.h> 41 42 struct 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 #if !defined(SCTP_WITH_NO_CSUM) 51 uint32_t sctp_no_csum_on_loopback; 52 #endif 53 uint32_t sctp_strict_init; 54 uint32_t sctp_peer_chunk_oh; 55 uint32_t sctp_max_burst_default; 56 uint32_t sctp_max_chunks_on_queue; 57 uint32_t sctp_hashtblsize; 58 uint32_t sctp_pcbtblsize; 59 uint32_t sctp_min_split_point; 60 uint32_t sctp_chunkscale; 61 uint32_t sctp_delayed_sack_time_default; 62 uint32_t sctp_sack_freq_default; 63 uint32_t sctp_system_free_resc_limit; 64 uint32_t sctp_asoc_free_resc_limit; 65 uint32_t sctp_heartbeat_interval_default; 66 uint32_t sctp_pmtu_raise_time_default; 67 uint32_t sctp_shutdown_guard_time_default; 68 uint32_t sctp_secret_lifetime_default; 69 uint32_t sctp_rto_max_default; 70 uint32_t sctp_rto_min_default; 71 uint32_t sctp_rto_initial_default; 72 uint32_t sctp_init_rto_max_default; 73 uint32_t sctp_valid_cookie_life_default; 74 uint32_t sctp_init_rtx_max_default; 75 uint32_t sctp_assoc_rtx_max_default; 76 uint32_t sctp_path_rtx_max_default; 77 uint32_t sctp_path_pf_threshold; 78 uint32_t sctp_add_more_threshold; 79 uint32_t sctp_nr_outgoing_streams_default; 80 uint32_t sctp_cmt_on_off; 81 uint32_t sctp_cmt_use_dac; 82 /* EY 5/5/08 - nr_sack flag variable */ 83 uint32_t sctp_nr_sack_on_off; 84 uint32_t sctp_use_cwnd_based_maxburst; 85 uint32_t sctp_asconf_auth_nochk; 86 uint32_t sctp_auth_disable; 87 uint32_t sctp_nat_friendly; 88 uint32_t sctp_L2_abc_variable; 89 uint32_t sctp_mbuf_threshold_count; 90 uint32_t sctp_do_drain; 91 uint32_t sctp_hb_maxburst; 92 uint32_t sctp_abort_if_one_2_one_hits_limit; 93 uint32_t sctp_strict_data_order; 94 uint32_t sctp_min_residual; 95 uint32_t sctp_max_retran_chunk; 96 uint32_t sctp_logging_level; 97 /* JRS - Variable for default congestion control module */ 98 uint32_t sctp_default_cc_module; 99 /* RS - Variable for default stream scheduling module */ 100 uint32_t sctp_default_ss_module; 101 uint32_t sctp_default_frag_interleave; 102 uint32_t sctp_mobility_base; 103 uint32_t sctp_mobility_fasthandoff; 104 uint32_t sctp_inits_include_nat_friendly; 105 uint32_t sctp_rttvar_bw; 106 uint32_t sctp_rttvar_rtt; 107 uint32_t sctp_rttvar_eqret; 108 uint32_t sctp_steady_step; 109 uint32_t sctp_use_dccc_ecn; 110 #if defined(SCTP_LOCAL_TRACE_BUF) 111 struct sctp_log sctp_log; 112 #endif 113 uint32_t sctp_udp_tunneling_for_client_enable; 114 uint32_t sctp_udp_tunneling_port; 115 uint32_t sctp_enable_sack_immediately; 116 uint32_t sctp_vtag_time_wait; 117 uint32_t sctp_buffer_splitting; 118 uint32_t sctp_initial_cwnd; 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 /* strict_sacks: Enable SCTP Strict SACK checking */ 161 #define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking" 162 #define SCTPCTL_STRICT_SACKS_MIN 0 163 #define SCTPCTL_STRICT_SACKS_MAX 1 164 #define SCTPCTL_STRICT_SACKS_DEFAULT 1 165 166 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 167 #define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 168 #define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 169 #define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 170 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 171 172 /* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */ 173 #define SCTPCTL_STRICT_INIT_DESC "Enable strict INIT/INIT-ACK singleton enforcement" 174 #define SCTPCTL_STRICT_INIT_MIN 0 175 #define SCTPCTL_STRICT_INIT_MAX 1 176 #define SCTPCTL_STRICT_INIT_DEFAULT 1 177 178 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 179 #define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 180 #define SCTPCTL_PEER_CHKOH_MIN 0 181 #define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 182 #define SCTPCTL_PEER_CHKOH_DEFAULT 256 183 184 /* maxburst: Default max burst for sctp endpoints */ 185 #define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 186 #define SCTPCTL_MAXBURST_MIN 0 187 #define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 188 #define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 189 190 /* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */ 191 #define SCTPCTL_FRMAXBURST_DESC "Default fr max burst for sctp endpoints" 192 #define SCTPCTL_FRMAXBURST_MIN 0 193 #define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF 194 #define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST 195 196 197 /* maxchunks: Default max chunks on queue per asoc */ 198 #define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 199 #define SCTPCTL_MAXCHUNKS_MIN 0 200 #define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 201 #define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 202 203 /* tcbhashsize: Tunable for Hash table sizes */ 204 #define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 205 #define SCTPCTL_TCBHASHSIZE_MIN 1 206 #define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 207 #define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 208 209 /* pcbhashsize: Tunable for PCB Hash table sizes */ 210 #define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 211 #define SCTPCTL_PCBHASHSIZE_MIN 1 212 #define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 213 #define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 214 215 /* min_split_point: Minimum size when splitting a chunk */ 216 #define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 217 #define SCTPCTL_MIN_SPLIT_POINT_MIN 0 218 #define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 219 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 220 221 /* chunkscale: Tunable for Scaling of number of chunks and messages */ 222 #define SCTPCTL_CHUNKSCALE_DESC "Tunable for Scaling of number of chunks and messages" 223 #define SCTPCTL_CHUNKSCALE_MIN 1 224 #define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 225 #define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 226 227 /* delayed_sack_time: Default delayed SACK timer in ms */ 228 #define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms" 229 #define SCTPCTL_DELAYED_SACK_TIME_MIN 0 230 #define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 231 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 232 233 /* sack_freq: Default SACK frequency */ 234 #define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 235 #define SCTPCTL_SACK_FREQ_MIN 0 236 #define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 237 #define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 238 239 /* sys_resource: Max number of cached resources in the system */ 240 #define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 241 #define SCTPCTL_SYS_RESOURCE_MIN 0 242 #define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 243 #define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 244 245 /* asoc_resource: Max number of cached resources in an asoc */ 246 #define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 247 #define SCTPCTL_ASOC_RESOURCE_MIN 0 248 #define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 249 #define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 250 251 /* heartbeat_interval: Default heartbeat interval in ms */ 252 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms" 253 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 254 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 255 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 256 257 /* pmtu_raise_time: Default PMTU raise timer in seconds */ 258 #define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds" 259 #define SCTPCTL_PMTU_RAISE_TIME_MIN 0 260 #define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 261 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 262 263 /* shutdown_guard_time: Default shutdown guard timer in seconds */ 264 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Default shutdown guard timer in seconds" 265 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 266 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 267 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT SCTP_DEF_MAX_SHUTDOWN_SEC 268 269 /* secret_lifetime: Default secret lifetime in seconds */ 270 #define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds" 271 #define SCTPCTL_SECRET_LIFETIME_MIN 0 272 #define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 273 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 274 275 /* rto_max: Default maximum retransmission timeout in ms */ 276 #define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms" 277 #define SCTPCTL_RTO_MAX_MIN 0 278 #define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 279 #define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 280 281 /* rto_min: Default minimum retransmission timeout in ms */ 282 #define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms" 283 #define SCTPCTL_RTO_MIN_MIN 0 284 #define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 285 #define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 286 287 /* rto_initial: Default initial retransmission timeout in ms */ 288 #define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms" 289 #define SCTPCTL_RTO_INITIAL_MIN 0 290 #define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 291 #define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 292 293 /* init_rto_max: Default maximum retransmission timeout during association setup in ms */ 294 #define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms" 295 #define SCTPCTL_INIT_RTO_MAX_MIN 0 296 #define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 297 #define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 298 299 /* valid_cookie_life: Default cookie lifetime in sec */ 300 #define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in seconds" 301 #define SCTPCTL_VALID_COOKIE_LIFE_MIN 0 302 #define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF 303 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 304 305 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 306 #define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks" 307 #define SCTPCTL_INIT_RTX_MAX_MIN 0 308 #define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 309 #define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 310 311 /* assoc_rtx_max: Default maximum number of retransmissions per association */ 312 #define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 313 #define SCTPCTL_ASSOC_RTX_MAX_MIN 0 314 #define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 315 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 316 317 /* path_rtx_max: Default maximum of retransmissions per path */ 318 #define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 319 #define SCTPCTL_PATH_RTX_MAX_MIN 0 320 #define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 321 #define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 322 323 /* path_pf_threshold: threshold for considering the path potentially failed */ 324 #define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold" 325 #define SCTPCTL_PATH_PF_THRESHOLD_MIN 0 326 #define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF 327 #define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX 328 329 /* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */ 330 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer" 331 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 332 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 333 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 334 335 /* outgoing_streams: Default number of outgoing streams */ 336 #define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 337 #define SCTPCTL_OUTGOING_STREAMS_MIN 1 338 #define SCTPCTL_OUTGOING_STREAMS_MAX 65535 339 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 340 341 /* cmt_on_off: CMT on/off flag */ 342 #define SCTPCTL_CMT_ON_OFF_DESC "CMT settings" 343 #define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF 344 #define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX 345 #define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF 346 347 /* EY - nr_sack_on_off: NR_SACK on/off flag */ 348 #define SCTPCTL_NR_SACK_ON_OFF_DESC "NR_SACK on/off flag" 349 #define SCTPCTL_NR_SACK_ON_OFF_MIN 0 350 #define SCTPCTL_NR_SACK_ON_OFF_MAX 1 351 #define SCTPCTL_NR_SACK_ON_OFF_DEFAULT 0 352 353 /* cmt_use_dac: CMT DAC on/off flag */ 354 #define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 355 #define SCTPCTL_CMT_USE_DAC_MIN 0 356 #define SCTPCTL_CMT_USE_DAC_MAX 1 357 #define SCTPCTL_CMT_USE_DAC_DEFAULT 0 358 359 /* cwnd_maxburst: Use a CWND adjusting maxburst */ 360 #define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst" 361 #define SCTPCTL_CWND_MAXBURST_MIN 0 362 #define SCTPCTL_CWND_MAXBURST_MAX 1 363 #define SCTPCTL_CWND_MAXBURST_DEFAULT 1 364 365 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */ 366 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC "Disable SCTP ASCONF AUTH requirement" 367 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN 0 368 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX 1 369 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT 0 370 371 /* auth_disable: Disable SCTP AUTH function */ 372 #define SCTPCTL_AUTH_DISABLE_DESC "Disable SCTP AUTH function" 373 #define SCTPCTL_AUTH_DISABLE_MIN 0 374 #define SCTPCTL_AUTH_DISABLE_MAX 1 375 #define SCTPCTL_AUTH_DISABLE_DEFAULT 0 376 377 /* nat_friendly: SCTP NAT friendly operation */ 378 #define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 379 #define SCTPCTL_NAT_FRIENDLY_MIN 0 380 #define SCTPCTL_NAT_FRIENDLY_MAX 1 381 #define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 382 383 /* abc_l_var: SCTP ABC max increase per SACK (L) */ 384 #define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 385 #define SCTPCTL_ABC_L_VAR_MIN 0 386 #define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 387 #define SCTPCTL_ABC_L_VAR_DEFAULT 1 388 389 /* max_chained_mbufs: Default max number of small mbufs on a chain */ 390 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 391 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 392 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 393 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 394 395 /* do_sctp_drain: Should SCTP respond to the drain calls */ 396 #define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 397 #define SCTPCTL_DO_SCTP_DRAIN_MIN 0 398 #define SCTPCTL_DO_SCTP_DRAIN_MAX 1 399 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 400 401 /* hb_max_burst: Confirmation Heartbeat max burst? */ 402 #define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst" 403 #define SCTPCTL_HB_MAX_BURST_MIN 1 404 #define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 405 #define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST 406 407 /* abort_at_limit: When one-2-one hits qlimit abort */ 408 #define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort" 409 #define SCTPCTL_ABORT_AT_LIMIT_MIN 0 410 #define SCTPCTL_ABORT_AT_LIMIT_MAX 1 411 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 412 413 /* strict_data_order: Enforce strict data ordering, abort if control inside data */ 414 #define SCTPCTL_STRICT_DATA_ORDER_DESC "Enforce strict data ordering, abort if control inside data" 415 #define SCTPCTL_STRICT_DATA_ORDER_MIN 0 416 #define SCTPCTL_STRICT_DATA_ORDER_MAX 1 417 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT 0 418 419 /* min_residual: min residual in a data fragment leftover */ 420 #define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 421 #define SCTPCTL_MIN_RESIDUAL_MIN 20 422 #define SCTPCTL_MIN_RESIDUAL_MAX 65535 423 #define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 424 425 /* max_retran_chunk: max chunk retransmissions */ 426 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retran'd before assoc abort" 427 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 428 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 429 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 430 431 /* sctp_logging: This gives us logging when the options are enabled */ 432 #define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level" 433 #define SCTPCTL_LOGGING_LEVEL_MIN 0 434 #define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff 435 #define SCTPCTL_LOGGING_LEVEL_DEFAULT 0 436 437 /* JRS - default congestion control module sysctl */ 438 #define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module" 439 #define SCTPCTL_DEFAULT_CC_MODULE_MIN 0 440 #define SCTPCTL_DEFAULT_CC_MODULE_MAX 2 441 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0 442 443 /* RS - default stream scheduling module sysctl */ 444 #define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module" 445 #define SCTPCTL_DEFAULT_SS_MODULE_MIN 0 446 #define SCTPCTL_DEFAULT_SS_MODULE_MAX 5 447 #define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0 448 449 /* RRS - default fragment interleave */ 450 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level" 451 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0 452 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2 453 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1 454 455 /* mobility_base: Enable SCTP mobility support */ 456 #define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility" 457 #define SCTPCTL_MOBILITY_BASE_MIN 0 458 #define SCTPCTL_MOBILITY_BASE_MAX 1 459 #define SCTPCTL_MOBILITY_BASE_DEFAULT SCTP_DEFAULT_MOBILITY_BASE 460 461 /* mobility_fasthandoff: Enable SCTP fast handoff support */ 462 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff" 463 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0 464 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1 465 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT SCTP_DEFAULT_MOBILITY_FASTHANDOFF 466 467 /* Enable SCTP/UDP tunneling for clients*/ 468 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC "Enable SCTP/UDP tunneling for client" 469 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN 0 470 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX 1 471 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN 472 473 /* Enable SCTP/UDP tunneling port */ 474 #define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port" 475 #define SCTPCTL_UDP_TUNNELING_PORT_MIN 0 476 #define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535 477 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT SCTP_OVER_UDP_TUNNELING_PORT 478 479 /* Enable sending of the SACK-IMMEDIATELY bit */ 480 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit." 481 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0 482 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1 483 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 484 485 /* Enable sending of the NAT-FRIENDLY message */ 486 #define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs." 487 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0 488 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1 489 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN 490 491 /* Vtag time wait in seconds */ 492 #define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it." 493 #define SCTPCTL_TIME_WAIT_MIN 0 494 #define SCTPCTL_TIME_WAIT_MAX 0xffffffff 495 #define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT 496 497 /* Enable Send/Receive buffer splitting */ 498 #define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting." 499 #define SCTPCTL_BUFFER_SPLITTING_MIN 0 500 #define SCTPCTL_BUFFER_SPLITTING_MAX 0x3 501 #define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN 502 503 /* Initial congestion window in MTU */ 504 #define SCTPCTL_INITIAL_CWND_DESC "Initial congestion window in MTUs" 505 #define SCTPCTL_INITIAL_CWND_MIN 0 506 #define SCTPCTL_INITIAL_CWND_MAX 0xffffffff 507 #define SCTPCTL_INITIAL_CWND_DEFAULT 3 508 509 /* rttvar smooth avg for bw calc */ 510 #define SCTPCTL_RTTVAR_BW_DESC "Shift amount for bw smoothing on rtt calc" 511 #define SCTPCTL_RTTVAR_BW_MIN 0 512 #define SCTPCTL_RTTVAR_BW_MAX 32 513 #define SCTPCTL_RTTVAR_BW_DEFAULT 4 514 515 /* rttvar smooth avg for bw calc */ 516 #define SCTPCTL_RTTVAR_RTT_DESC "Shift amount for rtt smoothing on rtt calc" 517 #define SCTPCTL_RTTVAR_RTT_MIN 0 518 #define SCTPCTL_RTTVAR_RTT_MAX 32 519 #define SCTPCTL_RTTVAR_RTT_DEFAULT 5 520 521 #define SCTPCTL_RTTVAR_EQRET_DESC "What to return when rtt and bw are unchanged" 522 #define SCTPCTL_RTTVAR_EQRET_MIN 0 523 #define SCTPCTL_RTTVAR_EQRET_MAX 1 524 #define SCTPCTL_RTTVAR_EQRET_DEFAULT 0 525 526 #define SCTPCTL_RTTVAR_STEADYS_DESC "How many the sames it takes to try step down of cwnd" 527 #define SCTPCTL_RTTVAR_STEADYS_MIN 0 528 #define SCTPCTL_RTTVAR_STEADYS_MAX 0xFFFF 529 #define SCTPCTL_RTTVAR_STEADYS_DEFAULT 20 /* 0 means disable feature */ 530 531 #define SCTPCTL_RTTVAR_DCCCECN_DESC "Enable for RTCC CC datacenter ECN" 532 #define SCTPCTL_RTTVAR_DCCCECN_MIN 0 533 #define SCTPCTL_RTTVAR_DCCCECN_MAX 1 534 #define SCTPCTL_RTTVAR_DCCCECN_DEFAULT 1 /* 0 means disable feature */ 535 536 #if defined(SCTP_DEBUG) 537 /* debug: Configure debug output */ 538 #define SCTPCTL_DEBUG_DESC "Configure debug output" 539 #define SCTPCTL_DEBUG_MIN 0 540 #define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 541 #define SCTPCTL_DEBUG_DEFAULT 0 542 #endif 543 544 545 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 546 #define SCTPCTL_OUTPUT_UNLOCKED_DESC "Unlock socket when sending packets down to IP." 547 #define SCTPCTL_OUTPUT_UNLOCKED_MIN 0 548 #define SCTPCTL_OUTPUT_UNLOCKED_MAX 1 549 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN 550 #endif 551 552 553 #if defined(_KERNEL) || defined(__Userspace__) 554 #if defined(SYSCTL_DECL) 555 SYSCTL_DECL(_net_inet_sctp); 556 #endif 557 558 void sctp_init_sysctls(void); 559 560 #endif /* _KERNEL */ 561 #endif /* __sctp_sysctl_h__ */ 562