1 /*- 2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #ifndef _NETINET_SCTP_SYSCTL_H_ 37 #define _NETINET_SCTP_SYSCTL_H_ 38 39 #include <netinet/sctp_os.h> 40 #include <netinet/sctp_constants.h> 41 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 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_outgoing_streams_default; 76 uint32_t sctp_cmt_on_off; 77 uint32_t sctp_cmt_use_dac; 78 /* EY 5/5/08 - nr_sack flag variable */ 79 uint32_t sctp_nr_sack_on_off; 80 uint32_t sctp_use_cwnd_based_maxburst; 81 uint32_t sctp_asconf_auth_nochk; 82 uint32_t sctp_auth_disable; 83 uint32_t sctp_nat_friendly; 84 uint32_t sctp_L2_abc_variable; 85 uint32_t sctp_mbuf_threshold_count; 86 uint32_t sctp_do_drain; 87 uint32_t sctp_hb_maxburst; 88 uint32_t sctp_abort_if_one_2_one_hits_limit; 89 uint32_t sctp_strict_data_order; 90 uint32_t sctp_min_residual; 91 uint32_t sctp_max_retran_chunk; 92 uint32_t sctp_logging_level; 93 /* JRS - Variable for default congestion control module */ 94 uint32_t sctp_default_cc_module; 95 /* RS - Variable for default stream scheduling module */ 96 uint32_t sctp_default_ss_module; 97 uint32_t sctp_default_frag_interleave; 98 uint32_t sctp_mobility_base; 99 uint32_t sctp_mobility_fasthandoff; 100 uint32_t sctp_inits_include_nat_friendly; 101 uint32_t sctp_rttvar_bw; 102 uint32_t sctp_rttvar_rtt; 103 uint32_t sctp_rttvar_eqret; 104 uint32_t sctp_steady_step; 105 uint32_t sctp_use_dccc_ecn; 106 #if defined(SCTP_LOCAL_TRACE_BUF) 107 struct sctp_log sctp_log; 108 #endif 109 uint32_t sctp_udp_tunneling_port; 110 uint32_t sctp_enable_sack_immediately; 111 uint32_t sctp_vtag_time_wait; 112 uint32_t sctp_buffer_splitting; 113 uint32_t sctp_initial_cwnd; 114 uint32_t sctp_blackhole; 115 #if defined(SCTP_DEBUG) 116 uint32_t sctp_debug_on; 117 #endif 118 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 119 uint32_t sctp_output_unlocked; 120 #endif 121 }; 122 123 /* 124 * limits for the sysctl variables 125 */ 126 /* maxdgram: Maximum outgoing SCTP buffer size */ 127 #define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size" 128 #define SCTPCTL_MAXDGRAM_MIN 0 129 #define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF 130 #define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */ 131 132 /* recvspace: Maximum incoming SCTP buffer size */ 133 #define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size" 134 #define SCTPCTL_RECVSPACE_MIN 0 135 #define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF 136 #define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */ 137 138 /* autoasconf: Enable SCTP Auto-ASCONF */ 139 #define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF" 140 #define SCTPCTL_AUTOASCONF_MIN 0 141 #define SCTPCTL_AUTOASCONF_MAX 1 142 #define SCTPCTL_AUTOASCONF_DEFAULT SCTP_DEFAULT_AUTO_ASCONF 143 144 /* autoasconf: Enable SCTP Auto-ASCONF */ 145 #define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Muliple-ASCONFs" 146 #define SCTPCTL_MULTIPLEASCONFS_MIN 0 147 #define SCTPCTL_MULTIPLEASCONFS_MAX 1 148 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS 149 150 /* ecn_enable: Enable SCTP ECN */ 151 #define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN" 152 #define SCTPCTL_ECN_ENABLE_MIN 0 153 #define SCTPCTL_ECN_ENABLE_MAX 1 154 #define SCTPCTL_ECN_ENABLE_DEFAULT 1 155 156 /* strict_sacks: Enable SCTP Strict SACK checking */ 157 #define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking" 158 #define SCTPCTL_STRICT_SACKS_MIN 0 159 #define SCTPCTL_STRICT_SACKS_MAX 1 160 #define SCTPCTL_STRICT_SACKS_DEFAULT 1 161 162 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 163 #define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 164 #define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 165 #define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 166 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 167 168 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 169 #define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 170 #define SCTPCTL_PEER_CHKOH_MIN 0 171 #define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 172 #define SCTPCTL_PEER_CHKOH_DEFAULT 256 173 174 /* maxburst: Default max burst for sctp endpoints */ 175 #define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 176 #define SCTPCTL_MAXBURST_MIN 0 177 #define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 178 #define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 179 180 /* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */ 181 #define SCTPCTL_FRMAXBURST_DESC "Default fr max burst for sctp endpoints" 182 #define SCTPCTL_FRMAXBURST_MIN 0 183 #define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF 184 #define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST 185 186 187 /* maxchunks: Default max chunks on queue per asoc */ 188 #define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 189 #define SCTPCTL_MAXCHUNKS_MIN 0 190 #define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 191 #define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 192 193 /* tcbhashsize: Tunable for Hash table sizes */ 194 #define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 195 #define SCTPCTL_TCBHASHSIZE_MIN 1 196 #define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 197 #define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 198 199 /* pcbhashsize: Tunable for PCB Hash table sizes */ 200 #define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 201 #define SCTPCTL_PCBHASHSIZE_MIN 1 202 #define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 203 #define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 204 205 /* min_split_point: Minimum size when splitting a chunk */ 206 #define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 207 #define SCTPCTL_MIN_SPLIT_POINT_MIN 0 208 #define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 209 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 210 211 /* chunkscale: Tunable for Scaling of number of chunks and messages */ 212 #define SCTPCTL_CHUNKSCALE_DESC "Tunable for Scaling of number of chunks and messages" 213 #define SCTPCTL_CHUNKSCALE_MIN 1 214 #define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 215 #define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 216 217 /* delayed_sack_time: Default delayed SACK timer in ms */ 218 #define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms" 219 #define SCTPCTL_DELAYED_SACK_TIME_MIN 0 220 #define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 221 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 222 223 /* sack_freq: Default SACK frequency */ 224 #define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 225 #define SCTPCTL_SACK_FREQ_MIN 0 226 #define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 227 #define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 228 229 /* sys_resource: Max number of cached resources in the system */ 230 #define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 231 #define SCTPCTL_SYS_RESOURCE_MIN 0 232 #define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 233 #define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 234 235 /* asoc_resource: Max number of cached resources in an asoc */ 236 #define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 237 #define SCTPCTL_ASOC_RESOURCE_MIN 0 238 #define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 239 #define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 240 241 /* heartbeat_interval: Default heartbeat interval in ms */ 242 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms" 243 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 244 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 245 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 246 247 /* pmtu_raise_time: Default PMTU raise timer in seconds */ 248 #define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds" 249 #define SCTPCTL_PMTU_RAISE_TIME_MIN 0 250 #define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 251 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 252 253 /* shutdown_guard_time: Default shutdown guard timer in seconds */ 254 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Default shutdown guard timer in seconds" 255 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 256 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 257 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT SCTP_DEF_MAX_SHUTDOWN_SEC 258 259 /* secret_lifetime: Default secret lifetime in seconds */ 260 #define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds" 261 #define SCTPCTL_SECRET_LIFETIME_MIN 0 262 #define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 263 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 264 265 /* rto_max: Default maximum retransmission timeout in ms */ 266 #define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms" 267 #define SCTPCTL_RTO_MAX_MIN 0 268 #define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 269 #define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 270 271 /* rto_min: Default minimum retransmission timeout in ms */ 272 #define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms" 273 #define SCTPCTL_RTO_MIN_MIN 0 274 #define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 275 #define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 276 277 /* rto_initial: Default initial retransmission timeout in ms */ 278 #define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms" 279 #define SCTPCTL_RTO_INITIAL_MIN 0 280 #define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 281 #define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 282 283 /* init_rto_max: Default maximum retransmission timeout during association setup in ms */ 284 #define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms" 285 #define SCTPCTL_INIT_RTO_MAX_MIN 0 286 #define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 287 #define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 288 289 /* valid_cookie_life: Default cookie lifetime in sec */ 290 #define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in seconds" 291 #define SCTPCTL_VALID_COOKIE_LIFE_MIN 0 292 #define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF 293 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 294 295 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 296 #define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks" 297 #define SCTPCTL_INIT_RTX_MAX_MIN 0 298 #define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 299 #define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 300 301 /* assoc_rtx_max: Default maximum number of retransmissions per association */ 302 #define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 303 #define SCTPCTL_ASSOC_RTX_MAX_MIN 0 304 #define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 305 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 306 307 /* path_rtx_max: Default maximum of retransmissions per path */ 308 #define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 309 #define SCTPCTL_PATH_RTX_MAX_MIN 0 310 #define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 311 #define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 312 313 /* path_pf_threshold: threshold for considering the path potentially failed */ 314 #define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold" 315 #define SCTPCTL_PATH_PF_THRESHOLD_MIN 0 316 #define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF 317 #define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX 318 319 /* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */ 320 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer" 321 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 322 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 323 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 324 325 /* outgoing_streams: Default number of outgoing streams */ 326 #define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 327 #define SCTPCTL_OUTGOING_STREAMS_MIN 1 328 #define SCTPCTL_OUTGOING_STREAMS_MAX 65535 329 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 330 331 /* cmt_on_off: CMT on/off flag */ 332 #define SCTPCTL_CMT_ON_OFF_DESC "CMT settings" 333 #define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF 334 #define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX 335 #define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF 336 337 /* EY - nr_sack_on_off: NR_SACK on/off flag */ 338 #define SCTPCTL_NR_SACK_ON_OFF_DESC "NR_SACK on/off flag" 339 #define SCTPCTL_NR_SACK_ON_OFF_MIN 0 340 #define SCTPCTL_NR_SACK_ON_OFF_MAX 1 341 #define SCTPCTL_NR_SACK_ON_OFF_DEFAULT 0 342 343 /* cmt_use_dac: CMT DAC on/off flag */ 344 #define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 345 #define SCTPCTL_CMT_USE_DAC_MIN 0 346 #define SCTPCTL_CMT_USE_DAC_MAX 1 347 #define SCTPCTL_CMT_USE_DAC_DEFAULT 0 348 349 /* cwnd_maxburst: Use a CWND adjusting maxburst */ 350 #define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst" 351 #define SCTPCTL_CWND_MAXBURST_MIN 0 352 #define SCTPCTL_CWND_MAXBURST_MAX 1 353 #define SCTPCTL_CWND_MAXBURST_DEFAULT 1 354 355 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */ 356 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC "Disable SCTP ASCONF AUTH requirement" 357 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN 0 358 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX 1 359 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT 0 360 361 /* auth_disable: Disable SCTP AUTH function */ 362 #define SCTPCTL_AUTH_DISABLE_DESC "Disable SCTP AUTH function" 363 #define SCTPCTL_AUTH_DISABLE_MIN 0 364 #define SCTPCTL_AUTH_DISABLE_MAX 1 365 #define SCTPCTL_AUTH_DISABLE_DEFAULT 0 366 367 /* nat_friendly: SCTP NAT friendly operation */ 368 #define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 369 #define SCTPCTL_NAT_FRIENDLY_MIN 0 370 #define SCTPCTL_NAT_FRIENDLY_MAX 1 371 #define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 372 373 /* abc_l_var: SCTP ABC max increase per SACK (L) */ 374 #define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 375 #define SCTPCTL_ABC_L_VAR_MIN 0 376 #define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 377 #define SCTPCTL_ABC_L_VAR_DEFAULT 2 378 379 /* max_chained_mbufs: Default max number of small mbufs on a chain */ 380 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 381 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 382 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 383 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 384 385 /* do_sctp_drain: Should SCTP respond to the drain calls */ 386 #define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 387 #define SCTPCTL_DO_SCTP_DRAIN_MIN 0 388 #define SCTPCTL_DO_SCTP_DRAIN_MAX 1 389 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 390 391 /* hb_max_burst: Confirmation Heartbeat max burst? */ 392 #define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst" 393 #define SCTPCTL_HB_MAX_BURST_MIN 1 394 #define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 395 #define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST 396 397 /* abort_at_limit: When one-2-one hits qlimit abort */ 398 #define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort" 399 #define SCTPCTL_ABORT_AT_LIMIT_MIN 0 400 #define SCTPCTL_ABORT_AT_LIMIT_MAX 1 401 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 402 403 /* strict_data_order: Enforce strict data ordering, abort if control inside data */ 404 #define SCTPCTL_STRICT_DATA_ORDER_DESC "Enforce strict data ordering, abort if control inside data" 405 #define SCTPCTL_STRICT_DATA_ORDER_MIN 0 406 #define SCTPCTL_STRICT_DATA_ORDER_MAX 1 407 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT 0 408 409 /* min_residual: min residual in a data fragment leftover */ 410 #define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 411 #define SCTPCTL_MIN_RESIDUAL_MIN 20 412 #define SCTPCTL_MIN_RESIDUAL_MAX 65535 413 #define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 414 415 /* max_retran_chunk: max chunk retransmissions */ 416 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retran'd before assoc abort" 417 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 418 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 419 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 420 421 /* sctp_logging: This gives us logging when the options are enabled */ 422 #define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level" 423 #define SCTPCTL_LOGGING_LEVEL_MIN 0 424 #define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff 425 #define SCTPCTL_LOGGING_LEVEL_DEFAULT 0 426 427 /* JRS - default congestion control module sysctl */ 428 #define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module" 429 #define SCTPCTL_DEFAULT_CC_MODULE_MIN 0 430 #define SCTPCTL_DEFAULT_CC_MODULE_MAX 2 431 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0 432 433 /* RS - default stream scheduling module sysctl */ 434 #define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module" 435 #define SCTPCTL_DEFAULT_SS_MODULE_MIN 0 436 #define SCTPCTL_DEFAULT_SS_MODULE_MAX 5 437 #define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0 438 439 /* RRS - default fragment interleave */ 440 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level" 441 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0 442 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2 443 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1 444 445 /* mobility_base: Enable SCTP mobility support */ 446 #define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility" 447 #define SCTPCTL_MOBILITY_BASE_MIN 0 448 #define SCTPCTL_MOBILITY_BASE_MAX 1 449 #define SCTPCTL_MOBILITY_BASE_DEFAULT SCTP_DEFAULT_MOBILITY_BASE 450 451 /* mobility_fasthandoff: Enable SCTP fast handoff support */ 452 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff" 453 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0 454 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1 455 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT SCTP_DEFAULT_MOBILITY_FASTHANDOFF 456 457 /* Enable SCTP/UDP tunneling port */ 458 #define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port" 459 #define SCTPCTL_UDP_TUNNELING_PORT_MIN 0 460 #define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535 461 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT SCTP_OVER_UDP_TUNNELING_PORT 462 463 /* Enable sending of the SACK-IMMEDIATELY bit */ 464 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit." 465 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0 466 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1 467 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 468 469 /* Enable sending of the NAT-FRIENDLY message */ 470 #define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs." 471 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0 472 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1 473 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN 474 475 /* Vtag time wait in seconds */ 476 #define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it." 477 #define SCTPCTL_TIME_WAIT_MIN 0 478 #define SCTPCTL_TIME_WAIT_MAX 0xffffffff 479 #define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT 480 481 /* Enable Send/Receive buffer splitting */ 482 #define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting." 483 #define SCTPCTL_BUFFER_SPLITTING_MIN 0 484 #define SCTPCTL_BUFFER_SPLITTING_MAX 0x3 485 #define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN 486 487 /* Initial congestion window in MTU */ 488 #define SCTPCTL_INITIAL_CWND_DESC "Initial congestion window in MTUs" 489 #define SCTPCTL_INITIAL_CWND_MIN 0 490 #define SCTPCTL_INITIAL_CWND_MAX 0xffffffff 491 #define SCTPCTL_INITIAL_CWND_DEFAULT 3 492 493 /* rttvar smooth avg for bw calc */ 494 #define SCTPCTL_RTTVAR_BW_DESC "Shift amount for bw smoothing on rtt calc" 495 #define SCTPCTL_RTTVAR_BW_MIN 0 496 #define SCTPCTL_RTTVAR_BW_MAX 32 497 #define SCTPCTL_RTTVAR_BW_DEFAULT 4 498 499 /* rttvar smooth avg for bw calc */ 500 #define SCTPCTL_RTTVAR_RTT_DESC "Shift amount for rtt smoothing on rtt calc" 501 #define SCTPCTL_RTTVAR_RTT_MIN 0 502 #define SCTPCTL_RTTVAR_RTT_MAX 32 503 #define SCTPCTL_RTTVAR_RTT_DEFAULT 5 504 505 #define SCTPCTL_RTTVAR_EQRET_DESC "What to return when rtt and bw are unchanged" 506 #define SCTPCTL_RTTVAR_EQRET_MIN 0 507 #define SCTPCTL_RTTVAR_EQRET_MAX 1 508 #define SCTPCTL_RTTVAR_EQRET_DEFAULT 0 509 510 #define SCTPCTL_RTTVAR_STEADYS_DESC "How many the sames it takes to try step down of cwnd" 511 #define SCTPCTL_RTTVAR_STEADYS_MIN 0 512 #define SCTPCTL_RTTVAR_STEADYS_MAX 0xFFFF 513 #define SCTPCTL_RTTVAR_STEADYS_DEFAULT 20 /* 0 means disable feature */ 514 515 #define SCTPCTL_RTTVAR_DCCCECN_DESC "Enable for RTCC CC datacenter ECN" 516 #define SCTPCTL_RTTVAR_DCCCECN_MIN 0 517 #define SCTPCTL_RTTVAR_DCCCECN_MAX 1 518 #define SCTPCTL_RTTVAR_DCCCECN_DEFAULT 1 /* 0 means disable feature */ 519 520 #define SCTPCTL_BLACKHOLE_DESC "Enable SCTP blackholing" 521 #define SCTPCTL_BLACKHOLE_MIN 0 522 #define SCTPCTL_BLACKHOLE_MAX 2 523 #define SCTPCTL_BLACKHOLE_DEFAULT SCTPCTL_BLACKHOLE_MIN 524 525 #if defined(SCTP_DEBUG) 526 /* debug: Configure debug output */ 527 #define SCTPCTL_DEBUG_DESC "Configure debug output" 528 #define SCTPCTL_DEBUG_MIN 0 529 #define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 530 #define SCTPCTL_DEBUG_DEFAULT 0 531 #endif 532 533 534 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 535 #define SCTPCTL_OUTPUT_UNLOCKED_DESC "Unlock socket when sending packets down to IP." 536 #define SCTPCTL_OUTPUT_UNLOCKED_MIN 0 537 #define SCTPCTL_OUTPUT_UNLOCKED_MAX 1 538 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN 539 #endif 540 541 542 #if defined(_KERNEL) || defined(__Userspace__) 543 #if defined(SYSCTL_DECL) 544 SYSCTL_DECL(_net_inet_sctp); 545 #endif 546 547 void sctp_init_sysctls(void); 548 549 #endif /* _KERNEL */ 550 #endif /* __sctp_sysctl_h__ */ 551