1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #ifndef _NETINET_SCTP_SYSCTL_H_ 39 #define _NETINET_SCTP_SYSCTL_H_ 40 41 #include <netinet/sctp_os.h> 42 #include <netinet/sctp_constants.h> 43 44 struct sctp_sysctl { 45 uint32_t sctp_sendspace; 46 uint32_t sctp_recvspace; 47 uint32_t sctp_auto_asconf; 48 uint32_t sctp_multiple_asconfs; 49 uint32_t sctp_ecn_enable; 50 uint32_t sctp_pr_enable; 51 uint32_t sctp_auth_enable; 52 uint32_t sctp_asconf_enable; 53 uint32_t sctp_reconfig_enable; 54 uint32_t sctp_nrsack_enable; 55 uint32_t sctp_pktdrop_enable; 56 uint32_t sctp_fr_max_burst_default; 57 uint32_t sctp_peer_chunk_oh; 58 uint32_t sctp_max_burst_default; 59 uint32_t sctp_max_chunks_on_queue; 60 uint32_t sctp_hashtblsize; 61 uint32_t sctp_pcbtblsize; 62 uint32_t sctp_min_split_point; 63 uint32_t sctp_chunkscale; 64 uint32_t sctp_delayed_sack_time_default; 65 uint32_t sctp_sack_freq_default; 66 uint32_t sctp_system_free_resc_limit; 67 uint32_t sctp_asoc_free_resc_limit; 68 uint32_t sctp_heartbeat_interval_default; 69 uint32_t sctp_pmtu_raise_time_default; 70 uint32_t sctp_shutdown_guard_time_default; 71 uint32_t sctp_secret_lifetime_default; 72 uint32_t sctp_rto_max_default; 73 uint32_t sctp_rto_min_default; 74 uint32_t sctp_rto_initial_default; 75 uint32_t sctp_init_rto_max_default; 76 uint32_t sctp_valid_cookie_life_default; 77 uint32_t sctp_init_rtx_max_default; 78 uint32_t sctp_assoc_rtx_max_default; 79 uint32_t sctp_path_rtx_max_default; 80 uint32_t sctp_path_pf_threshold; 81 uint32_t sctp_add_more_threshold; 82 uint32_t sctp_nr_incoming_streams_default; 83 uint32_t sctp_nr_outgoing_streams_default; 84 uint32_t sctp_cmt_on_off; 85 uint32_t sctp_cmt_use_dac; 86 uint32_t sctp_use_cwnd_based_maxburst; 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_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 1 147 148 /* 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_enable: Enable SCTP AUTH function */ 167 #define SCTPCTL_AUTH_ENABLE_DESC "Enable SCTP AUTH function" 168 #define SCTPCTL_AUTH_ENABLE_MIN 0 169 #define SCTPCTL_AUTH_ENABLE_MAX 1 170 #define SCTPCTL_AUTH_ENABLE_DEFAULT 1 171 172 /* 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 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 197 #define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 198 #define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 199 #define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 200 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 201 202 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 203 #define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 204 #define SCTPCTL_PEER_CHKOH_MIN 0 205 #define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 206 #define SCTPCTL_PEER_CHKOH_DEFAULT 256 207 208 /* maxburst: Default max burst for sctp endpoints */ 209 #define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 210 #define SCTPCTL_MAXBURST_MIN 0 211 #define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 212 #define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 213 214 /* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */ 215 #define SCTPCTL_FRMAXBURST_DESC "Default max burst for SCTP endpoints when fast retransmitting" 216 #define SCTPCTL_FRMAXBURST_MIN 0 217 #define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF 218 #define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST 219 220 221 /* maxchunks: Default max chunks on queue per asoc */ 222 #define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 223 #define SCTPCTL_MAXCHUNKS_MIN 0 224 #define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 225 #define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 226 227 /* tcbhashsize: Tunable for Hash table sizes */ 228 #define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 229 #define SCTPCTL_TCBHASHSIZE_MIN 1 230 #define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 231 #define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 232 233 /* pcbhashsize: Tunable for PCB Hash table sizes */ 234 #define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 235 #define SCTPCTL_PCBHASHSIZE_MIN 1 236 #define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 237 #define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 238 239 /* min_split_point: Minimum size when splitting a chunk */ 240 #define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 241 #define SCTPCTL_MIN_SPLIT_POINT_MIN 0 242 #define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 243 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 244 245 /* chunkscale: Tunable for Scaling of number of chunks and messages */ 246 #define SCTPCTL_CHUNKSCALE_DESC "Tunable for scaling of number of chunks and messages" 247 #define SCTPCTL_CHUNKSCALE_MIN 1 248 #define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 249 #define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 250 251 /* delayed_sack_time: Default delayed SACK timer in ms */ 252 #define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms" 253 #define SCTPCTL_DELAYED_SACK_TIME_MIN 0 254 #define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 255 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 256 257 /* sack_freq: Default SACK frequency */ 258 #define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 259 #define SCTPCTL_SACK_FREQ_MIN 0 260 #define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 261 #define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 262 263 /* sys_resource: Max number of cached resources in the system */ 264 #define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 265 #define SCTPCTL_SYS_RESOURCE_MIN 0 266 #define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 267 #define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 268 269 /* asoc_resource: Max number of cached resources in an asoc */ 270 #define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 271 #define SCTPCTL_ASOC_RESOURCE_MIN 0 272 #define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 273 #define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 274 275 /* heartbeat_interval: Default heartbeat interval in ms */ 276 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms" 277 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 278 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 279 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 280 281 /* pmtu_raise_time: Default PMTU raise timer in seconds */ 282 #define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds" 283 #define SCTPCTL_PMTU_RAISE_TIME_MIN 0 284 #define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 285 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 286 287 /* shutdown_guard_time: Default shutdown guard timer in seconds */ 288 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Shutdown guard timer in seconds (0 means 5 times RTO.Max)" 289 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 290 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 291 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT 0 292 293 /* secret_lifetime: Default secret lifetime in seconds */ 294 #define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds" 295 #define SCTPCTL_SECRET_LIFETIME_MIN 0 296 #define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 297 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 298 299 /* rto_max: Default maximum retransmission timeout in ms */ 300 #define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms" 301 #define SCTPCTL_RTO_MAX_MIN 0 302 #define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 303 #define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 304 305 /* rto_min: Default minimum retransmission timeout in ms */ 306 #define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms" 307 #define SCTPCTL_RTO_MIN_MIN 0 308 #define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 309 #define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 310 311 /* rto_initial: Default initial retransmission timeout in ms */ 312 #define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms" 313 #define SCTPCTL_RTO_INITIAL_MIN 0 314 #define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 315 #define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 316 317 /* init_rto_max: Default maximum retransmission timeout during association setup in ms */ 318 #define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms" 319 #define SCTPCTL_INIT_RTO_MAX_MIN 0 320 #define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 321 #define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 322 323 /* valid_cookie_life: Default cookie lifetime in sec */ 324 #define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in seconds" 325 #define SCTPCTL_VALID_COOKIE_LIFE_MIN 0 326 #define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF 327 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 328 329 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 330 #define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmissions for INIT chunks" 331 #define SCTPCTL_INIT_RTX_MAX_MIN 0 332 #define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 333 #define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 334 335 /* assoc_rtx_max: Default maximum number of retransmissions per association */ 336 #define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 337 #define SCTPCTL_ASSOC_RTX_MAX_MIN 0 338 #define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 339 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 340 341 /* path_rtx_max: Default maximum of retransmissions per path */ 342 #define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 343 #define SCTPCTL_PATH_RTX_MAX_MIN 0 344 #define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 345 #define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 346 347 /* path_pf_threshold: threshold for considering the path potentially failed */ 348 #define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold" 349 #define SCTPCTL_PATH_PF_THRESHOLD_MIN 0 350 #define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF 351 #define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX 352 353 /* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */ 354 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer" 355 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 356 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 357 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 358 359 /* incoming_streams: Default number of incoming streams */ 360 #define SCTPCTL_INCOMING_STREAMS_DESC "Default number of incoming streams" 361 #define SCTPCTL_INCOMING_STREAMS_MIN 1 362 #define SCTPCTL_INCOMING_STREAMS_MAX 65535 363 #define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL 364 365 /* outgoing_streams: Default number of outgoing streams */ 366 #define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 367 #define SCTPCTL_OUTGOING_STREAMS_MIN 1 368 #define SCTPCTL_OUTGOING_STREAMS_MAX 65535 369 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 370 371 /* cmt_on_off: CMT on/off flag */ 372 #define SCTPCTL_CMT_ON_OFF_DESC "CMT settings" 373 #define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF 374 #define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX 375 #define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF 376 377 /* cmt_use_dac: CMT DAC on/off flag */ 378 #define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 379 #define SCTPCTL_CMT_USE_DAC_MIN 0 380 #define SCTPCTL_CMT_USE_DAC_MAX 1 381 #define SCTPCTL_CMT_USE_DAC_DEFAULT 0 382 383 /* cwnd_maxburst: Use a CWND adjusting to implement maxburst */ 384 #define SCTPCTL_CWND_MAXBURST_DESC "Adjust congestion control window to limit maximum burst when sending" 385 #define SCTPCTL_CWND_MAXBURST_MIN 0 386 #define SCTPCTL_CWND_MAXBURST_MAX 1 387 #define SCTPCTL_CWND_MAXBURST_DEFAULT 1 388 389 /* nat_friendly: SCTP NAT friendly operation */ 390 #define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 391 #define SCTPCTL_NAT_FRIENDLY_MIN 0 392 #define SCTPCTL_NAT_FRIENDLY_MAX 1 393 #define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 394 395 /* abc_l_var: SCTP ABC max increase per SACK (L) */ 396 #define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 397 #define SCTPCTL_ABC_L_VAR_MIN 0 398 #define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 399 #define SCTPCTL_ABC_L_VAR_DEFAULT 2 400 401 /* max_chained_mbufs: Default max number of small mbufs on a chain */ 402 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 403 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 404 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 405 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 406 407 /* do_sctp_drain: Should SCTP respond to the drain calls */ 408 #define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 409 #define SCTPCTL_DO_SCTP_DRAIN_MIN 0 410 #define SCTPCTL_DO_SCTP_DRAIN_MAX 1 411 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 412 413 /* hb_max_burst: Confirmation Heartbeat max burst? */ 414 #define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst" 415 #define SCTPCTL_HB_MAX_BURST_MIN 1 416 #define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 417 #define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST 418 419 /* abort_at_limit: When one-2-one hits qlimit abort */ 420 #define SCTPCTL_ABORT_AT_LIMIT_DESC "Abort when one-to-one hits qlimit" 421 #define SCTPCTL_ABORT_AT_LIMIT_MIN 0 422 #define SCTPCTL_ABORT_AT_LIMIT_MAX 1 423 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 424 425 /* min_residual: min residual in a data fragment leftover */ 426 #define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 427 #define SCTPCTL_MIN_RESIDUAL_MIN 20 428 #define SCTPCTL_MIN_RESIDUAL_MAX 65535 429 #define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 430 431 /* max_retran_chunk: max chunk retransmissions */ 432 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retransmitted before assoc abort" 433 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 434 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 435 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 436 437 /* sctp_logging: This gives us logging when the options are enabled */ 438 #define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level" 439 #define SCTPCTL_LOGGING_LEVEL_MIN 0 440 #define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff 441 #define SCTPCTL_LOGGING_LEVEL_DEFAULT 0 442 443 /* JRS - default congestion control module sysctl */ 444 #define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module" 445 #define SCTPCTL_DEFAULT_CC_MODULE_MIN 0 446 #define SCTPCTL_DEFAULT_CC_MODULE_MAX 2 447 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0 448 449 /* RS - default stream scheduling module sysctl */ 450 #define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module" 451 #define SCTPCTL_DEFAULT_SS_MODULE_MIN 0 452 #define SCTPCTL_DEFAULT_SS_MODULE_MAX 5 453 #define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0 454 455 /* RRS - default fragment interleave */ 456 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level" 457 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0 458 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2 459 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1 460 461 /* mobility_base: Enable SCTP mobility support */ 462 #define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility" 463 #define SCTPCTL_MOBILITY_BASE_MIN 0 464 #define SCTPCTL_MOBILITY_BASE_MAX 1 465 #define SCTPCTL_MOBILITY_BASE_DEFAULT 0 466 467 /* mobility_fasthandoff: Enable SCTP fast handoff support */ 468 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff" 469 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0 470 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1 471 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT 0 472 473 /* 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 0 478 479 /* 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_MAX 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 MTUs */ 504 #define SCTPCTL_INITIAL_CWND_DESC "Defines the initial congestion window size 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 DCCC uses 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 DCCC uses 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 "Whether DCCC increases cwnd when the 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 "Number of identical bw measurements DCCC 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 ECN for DCCC." 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 #define SCTPCTL_BLACKHOLE_DESC "Enable SCTP blackholing, see blackhole(4) for more details" 537 #define SCTPCTL_BLACKHOLE_MIN 0 538 #define SCTPCTL_BLACKHOLE_MAX 2 539 #define SCTPCTL_BLACKHOLE_DEFAULT SCTPCTL_BLACKHOLE_MIN 540 541 #define SCTPCTL_DIAG_INFO_CODE_DESC "Diagnostic information error cause code" 542 #define SCTPCTL_DIAG_INFO_CODE_MIN 0 543 #define SCTPCTL_DIAG_INFO_CODE_MAX 65535 544 #define SCTPCTL_DIAG_INFO_CODE_DEFAULT 0 545 546 #if defined(SCTP_DEBUG) 547 /* debug: Configure debug output */ 548 #define SCTPCTL_DEBUG_DESC "Configure debug output" 549 #define SCTPCTL_DEBUG_MIN 0 550 #define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 551 #define SCTPCTL_DEBUG_DEFAULT 0 552 #endif 553 554 555 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 556 #define SCTPCTL_OUTPUT_UNLOCKED_DESC "Unlock socket when sending packets down to IP" 557 #define SCTPCTL_OUTPUT_UNLOCKED_MIN 0 558 #define SCTPCTL_OUTPUT_UNLOCKED_MAX 1 559 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN 560 #endif 561 562 563 #if defined(_KERNEL) || defined(__Userspace__) 564 #if defined(SYSCTL_DECL) 565 SYSCTL_DECL(_net_inet_sctp); 566 #endif 567 568 void sctp_init_sysctls(void); 569 570 #endif /* _KERNEL */ 571 #endif /* __sctp_sysctl_h__ */ 572