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 #if defined(__FreeBSD__) && !defined(__Userspace__) 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD: head/sys/netinet/sctp_sysctl.h 366750 2020-10-16 10:44:48Z tuexen $"); 38 #endif 39 40 #ifndef _NETINET_SCTP_SYSCTL_H_ 41 #define _NETINET_SCTP_SYSCTL_H_ 42 43 #include <netinet/sctp_os.h> 44 #include <netinet/sctp_constants.h> 45 46 struct sctp_sysctl { 47 uint32_t sctp_sendspace; 48 uint32_t sctp_recvspace; 49 uint32_t sctp_auto_asconf; 50 uint32_t sctp_multiple_asconfs; 51 uint32_t sctp_ecn_enable; 52 uint32_t sctp_pr_enable; 53 uint32_t sctp_auth_enable; 54 uint32_t sctp_asconf_enable; 55 uint32_t sctp_reconfig_enable; 56 uint32_t sctp_nrsack_enable; 57 uint32_t sctp_pktdrop_enable; 58 uint32_t sctp_fr_max_burst_default; 59 #if !(defined(__FreeBSD__) && !defined(__Userspace__)) 60 uint32_t sctp_no_csum_on_loopback; 61 #endif 62 uint32_t sctp_peer_chunk_oh; 63 uint32_t sctp_max_burst_default; 64 uint32_t sctp_max_chunks_on_queue; 65 uint32_t sctp_hashtblsize; 66 uint32_t sctp_pcbtblsize; 67 uint32_t sctp_min_split_point; 68 uint32_t sctp_chunkscale; 69 uint32_t sctp_delayed_sack_time_default; 70 uint32_t sctp_sack_freq_default; 71 uint32_t sctp_system_free_resc_limit; 72 uint32_t sctp_asoc_free_resc_limit; 73 uint32_t sctp_heartbeat_interval_default; 74 uint32_t sctp_pmtu_raise_time_default; 75 uint32_t sctp_shutdown_guard_time_default; 76 uint32_t sctp_secret_lifetime_default; 77 uint32_t sctp_rto_max_default; 78 uint32_t sctp_rto_min_default; 79 uint32_t sctp_rto_initial_default; 80 uint32_t sctp_init_rto_max_default; 81 uint32_t sctp_valid_cookie_life_default; 82 uint32_t sctp_init_rtx_max_default; 83 uint32_t sctp_assoc_rtx_max_default; 84 uint32_t sctp_path_rtx_max_default; 85 uint32_t sctp_path_pf_threshold; 86 uint32_t sctp_add_more_threshold; 87 uint32_t sctp_nr_incoming_streams_default; 88 uint32_t sctp_nr_outgoing_streams_default; 89 uint32_t sctp_cmt_on_off; 90 uint32_t sctp_cmt_use_dac; 91 uint32_t sctp_use_cwnd_based_maxburst; 92 uint32_t sctp_nat_friendly; 93 uint32_t sctp_L2_abc_variable; 94 uint32_t sctp_mbuf_threshold_count; 95 uint32_t sctp_do_drain; 96 uint32_t sctp_hb_maxburst; 97 uint32_t sctp_abort_if_one_2_one_hits_limit; 98 uint32_t sctp_min_residual; 99 uint32_t sctp_max_retran_chunk; 100 uint32_t sctp_logging_level; 101 /* JRS - Variable for default congestion control module */ 102 uint32_t sctp_default_cc_module; 103 /* RS - Variable for default stream scheduling module */ 104 uint32_t sctp_default_ss_module; 105 uint32_t sctp_default_frag_interleave; 106 uint32_t sctp_mobility_base; 107 uint32_t sctp_mobility_fasthandoff; 108 uint32_t sctp_inits_include_nat_friendly; 109 uint32_t sctp_rttvar_bw; 110 uint32_t sctp_rttvar_rtt; 111 uint32_t sctp_rttvar_eqret; 112 uint32_t sctp_steady_step; 113 uint32_t sctp_use_dccc_ecn; 114 uint32_t sctp_diag_info_code; 115 #if defined(SCTP_LOCAL_TRACE_BUF) 116 #if defined(_WIN32) && !defined(__Userspace__) 117 struct sctp_log *sctp_log; 118 #else 119 struct sctp_log sctp_log; 120 #endif 121 #endif 122 uint32_t sctp_udp_tunneling_port; 123 uint32_t sctp_enable_sack_immediately; 124 uint32_t sctp_vtag_time_wait; 125 uint32_t sctp_buffer_splitting; 126 uint32_t sctp_initial_cwnd; 127 uint32_t sctp_blackhole; 128 uint32_t sctp_sendall_limit; 129 #if defined(SCTP_DEBUG) 130 uint32_t sctp_debug_on; 131 #endif 132 #if defined(__APPLE__) && !defined(__Userspace__) 133 uint32_t sctp_ignore_vmware_interfaces; 134 uint32_t sctp_main_timer; 135 uint32_t sctp_addr_watchdog_limit; 136 uint32_t sctp_vtag_watchdog_limit; 137 #endif 138 #if defined(__APPLE__) && !defined(__Userspace__) 139 uint32_t sctp_output_unlocked; 140 #endif 141 }; 142 143 /* 144 * limits for the sysctl variables 145 */ 146 /* maxdgram: Maximum outgoing SCTP buffer size */ 147 #define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size" 148 #define SCTPCTL_MAXDGRAM_MIN 0 149 #define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF 150 #if defined(__Userspace__) 151 #define SCTPCTL_MAXDGRAM_DEFAULT SB_MAX 152 #else 153 #define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */ 154 #endif 155 156 /* recvspace: Maximum incoming SCTP buffer size */ 157 #define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size" 158 #define SCTPCTL_RECVSPACE_MIN 0 159 #define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF 160 #if defined(__Userspace__) 161 #define SCTPCTL_RECVSPACE_DEFAULT SB_RAW 162 #else 163 #define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */ 164 #endif 165 166 /* autoasconf: Enable SCTP Auto-ASCONF */ 167 #define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF" 168 #define SCTPCTL_AUTOASCONF_MIN 0 169 #define SCTPCTL_AUTOASCONF_MAX 1 170 #define SCTPCTL_AUTOASCONF_DEFAULT 1 171 172 /* autoasconf: Enable SCTP Auto-ASCONF */ 173 #define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Muliple-ASCONFs" 174 #define SCTPCTL_MULTIPLEASCONFS_MIN 0 175 #define SCTPCTL_MULTIPLEASCONFS_MAX 1 176 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS 177 178 /* ecn_enable: Enable SCTP ECN */ 179 #define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN" 180 #define SCTPCTL_ECN_ENABLE_MIN 0 181 #define SCTPCTL_ECN_ENABLE_MAX 1 182 #define SCTPCTL_ECN_ENABLE_DEFAULT 1 183 184 /* pr_enable: Enable PR-SCTP */ 185 #define SCTPCTL_PR_ENABLE_DESC "Enable PR-SCTP" 186 #define SCTPCTL_PR_ENABLE_MIN 0 187 #define SCTPCTL_PR_ENABLE_MAX 1 188 #define SCTPCTL_PR_ENABLE_DEFAULT 1 189 190 /* auth_enable: Enable SCTP AUTH function */ 191 #define SCTPCTL_AUTH_ENABLE_DESC "Enable SCTP AUTH function" 192 #define SCTPCTL_AUTH_ENABLE_MIN 0 193 #define SCTPCTL_AUTH_ENABLE_MAX 1 194 #define SCTPCTL_AUTH_ENABLE_DEFAULT 1 195 196 /* asconf_enable: Enable SCTP ASCONF */ 197 #define SCTPCTL_ASCONF_ENABLE_DESC "Enable SCTP ASCONF" 198 #define SCTPCTL_ASCONF_ENABLE_MIN 0 199 #define SCTPCTL_ASCONF_ENABLE_MAX 1 200 #define SCTPCTL_ASCONF_ENABLE_DEFAULT 1 201 202 /* reconfig_enable: Enable SCTP RE-CONFIG */ 203 #define SCTPCTL_RECONFIG_ENABLE_DESC "Enable SCTP RE-CONFIG" 204 #define SCTPCTL_RECONFIG_ENABLE_MIN 0 205 #define SCTPCTL_RECONFIG_ENABLE_MAX 1 206 #define SCTPCTL_RECONFIG_ENABLE_DEFAULT 1 207 208 /* nrsack_enable: Enable NR_SACK */ 209 #define SCTPCTL_NRSACK_ENABLE_DESC "Enable SCTP NR-SACK" 210 #define SCTPCTL_NRSACK_ENABLE_MIN 0 211 #define SCTPCTL_NRSACK_ENABLE_MAX 1 212 #define SCTPCTL_NRSACK_ENABLE_DEFAULT 0 213 214 /* pktdrop_enable: Enable SCTP Packet Drop Reports */ 215 #define SCTPCTL_PKTDROP_ENABLE_DESC "Enable SCTP PKTDROP" 216 #define SCTPCTL_PKTDROP_ENABLE_MIN 0 217 #define SCTPCTL_PKTDROP_ENABLE_MAX 1 218 #define SCTPCTL_PKTDROP_ENABLE_DEFAULT 0 219 220 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 221 #define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 222 #define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 223 #define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 224 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 225 226 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 227 #define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 228 #define SCTPCTL_PEER_CHKOH_MIN 0 229 #define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 230 #define SCTPCTL_PEER_CHKOH_DEFAULT 256 231 232 /* maxburst: Default max burst for sctp endpoints */ 233 #define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 234 #define SCTPCTL_MAXBURST_MIN 0 235 #define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 236 #define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 237 238 /* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */ 239 #define SCTPCTL_FRMAXBURST_DESC "Default max burst for SCTP endpoints when fast retransmitting" 240 #define SCTPCTL_FRMAXBURST_MIN 0 241 #define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF 242 #define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST 243 244 /* maxchunks: Default max chunks on queue per asoc */ 245 #define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 246 #define SCTPCTL_MAXCHUNKS_MIN 0 247 #define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 248 #define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 249 250 /* tcbhashsize: Tunable for Hash table sizes */ 251 #define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 252 #define SCTPCTL_TCBHASHSIZE_MIN 1 253 #define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 254 #define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 255 256 /* pcbhashsize: Tunable for PCB Hash table sizes */ 257 #define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 258 #define SCTPCTL_PCBHASHSIZE_MIN 1 259 #define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 260 #define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 261 262 /* min_split_point: Minimum size when splitting a chunk */ 263 #define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 264 #define SCTPCTL_MIN_SPLIT_POINT_MIN 0 265 #define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 266 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 267 268 /* chunkscale: Tunable for Scaling of number of chunks and messages */ 269 #define SCTPCTL_CHUNKSCALE_DESC "Tunable for scaling of number of chunks and messages" 270 #define SCTPCTL_CHUNKSCALE_MIN 1 271 #define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 272 #define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 273 274 /* delayed_sack_time: Default delayed SACK timer in ms */ 275 #define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms" 276 #define SCTPCTL_DELAYED_SACK_TIME_MIN 0 277 #define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 278 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 279 280 /* sack_freq: Default SACK frequency */ 281 #define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 282 #define SCTPCTL_SACK_FREQ_MIN 0 283 #define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 284 #define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 285 286 /* sys_resource: Max number of cached resources in the system */ 287 #define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 288 #define SCTPCTL_SYS_RESOURCE_MIN 0 289 #define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 290 #define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 291 292 /* asoc_resource: Max number of cached resources in an asoc */ 293 #define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 294 #define SCTPCTL_ASOC_RESOURCE_MIN 0 295 #define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 296 #define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 297 298 /* heartbeat_interval: Default heartbeat interval in ms */ 299 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms" 300 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 301 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 302 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 303 304 /* pmtu_raise_time: Default PMTU raise timer in seconds */ 305 #define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds" 306 #define SCTPCTL_PMTU_RAISE_TIME_MIN 0 307 #define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 308 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 309 310 /* shutdown_guard_time: Default shutdown guard timer in seconds */ 311 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Shutdown guard timer in seconds (0 means 5 times RTO.Max)" 312 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 313 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 314 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT 0 315 316 /* secret_lifetime: Default secret lifetime in seconds */ 317 #define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds" 318 #define SCTPCTL_SECRET_LIFETIME_MIN 0 319 #define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 320 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 321 322 /* rto_max: Default maximum retransmission timeout in ms */ 323 #define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms" 324 #define SCTPCTL_RTO_MAX_MIN 0 325 #define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 326 #define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 327 328 /* rto_min: Default minimum retransmission timeout in ms */ 329 #define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms" 330 #define SCTPCTL_RTO_MIN_MIN 0 331 #define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 332 #define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 333 334 /* rto_initial: Default initial retransmission timeout in ms */ 335 #define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms" 336 #define SCTPCTL_RTO_INITIAL_MIN 0 337 #define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 338 #define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 339 340 /* init_rto_max: Default maximum retransmission timeout during association setup in ms */ 341 #define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms" 342 #define SCTPCTL_INIT_RTO_MAX_MIN 0 343 #define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 344 #define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 345 346 /* valid_cookie_life: Default cookie lifetime in ms */ 347 #define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in ms" 348 #define SCTPCTL_VALID_COOKIE_LIFE_MIN SCTP_MIN_COOKIE_LIFE 349 #define SCTPCTL_VALID_COOKIE_LIFE_MAX SCTP_MAX_COOKIE_LIFE 350 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 351 352 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 353 #define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmissions for INIT chunks" 354 #define SCTPCTL_INIT_RTX_MAX_MIN 0 355 #define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 356 #define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 357 358 /* assoc_rtx_max: Default maximum number of retransmissions per association */ 359 #define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 360 #define SCTPCTL_ASSOC_RTX_MAX_MIN 0 361 #define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 362 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 363 364 /* path_rtx_max: Default maximum of retransmissions per path */ 365 #define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 366 #define SCTPCTL_PATH_RTX_MAX_MIN 0 367 #define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 368 #define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 369 370 /* path_pf_threshold: threshold for considering the path potentially failed */ 371 #define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold" 372 #define SCTPCTL_PATH_PF_THRESHOLD_MIN 0 373 #define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF 374 #define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX 375 376 /* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */ 377 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer" 378 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 379 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 380 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 381 382 /* incoming_streams: Default number of incoming streams */ 383 #define SCTPCTL_INCOMING_STREAMS_DESC "Default number of incoming streams" 384 #define SCTPCTL_INCOMING_STREAMS_MIN 1 385 #define SCTPCTL_INCOMING_STREAMS_MAX 65535 386 #define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL 387 388 /* outgoing_streams: Default number of outgoing streams */ 389 #define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 390 #define SCTPCTL_OUTGOING_STREAMS_MIN 1 391 #define SCTPCTL_OUTGOING_STREAMS_MAX 65535 392 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 393 394 /* cmt_on_off: CMT on/off flag */ 395 #define SCTPCTL_CMT_ON_OFF_DESC "CMT settings" 396 #define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF 397 #define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX 398 #define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF 399 400 /* cmt_use_dac: CMT DAC on/off flag */ 401 #define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 402 #define SCTPCTL_CMT_USE_DAC_MIN 0 403 #define SCTPCTL_CMT_USE_DAC_MAX 1 404 #define SCTPCTL_CMT_USE_DAC_DEFAULT 0 405 406 /* cwnd_maxburst: Use a CWND adjusting to implement maxburst */ 407 #define SCTPCTL_CWND_MAXBURST_DESC "Adjust congestion control window to limit maximum burst when sending" 408 #define SCTPCTL_CWND_MAXBURST_MIN 0 409 #define SCTPCTL_CWND_MAXBURST_MAX 1 410 #define SCTPCTL_CWND_MAXBURST_DEFAULT 1 411 412 /* nat_friendly: SCTP NAT friendly operation */ 413 #define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 414 #define SCTPCTL_NAT_FRIENDLY_MIN 0 415 #define SCTPCTL_NAT_FRIENDLY_MAX 1 416 #define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 417 418 /* abc_l_var: SCTP ABC max increase per SACK (L) */ 419 #define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 420 #define SCTPCTL_ABC_L_VAR_MIN 0 421 #define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 422 #define SCTPCTL_ABC_L_VAR_DEFAULT 2 423 424 /* max_chained_mbufs: Default max number of small mbufs on a chain */ 425 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 426 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 427 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 428 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 429 430 /* do_sctp_drain: Should SCTP respond to the drain calls */ 431 #define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 432 #define SCTPCTL_DO_SCTP_DRAIN_MIN 0 433 #define SCTPCTL_DO_SCTP_DRAIN_MAX 1 434 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 435 436 /* hb_max_burst: Confirmation Heartbeat max burst? */ 437 #define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst" 438 #define SCTPCTL_HB_MAX_BURST_MIN 1 439 #define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 440 #define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST 441 442 /* abort_at_limit: When one-2-one hits qlimit abort */ 443 #define SCTPCTL_ABORT_AT_LIMIT_DESC "Abort when one-to-one hits qlimit" 444 #define SCTPCTL_ABORT_AT_LIMIT_MIN 0 445 #define SCTPCTL_ABORT_AT_LIMIT_MAX 1 446 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 447 448 /* min_residual: min residual in a data fragment leftover */ 449 #define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 450 #define SCTPCTL_MIN_RESIDUAL_MIN 20 451 #define SCTPCTL_MIN_RESIDUAL_MAX 65535 452 #define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 453 454 /* max_retran_chunk: max chunk retransmissions */ 455 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retransmitted before assoc abort" 456 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 457 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 458 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 459 460 /* sctp_logging: This gives us logging when the options are enabled */ 461 #define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level" 462 #define SCTPCTL_LOGGING_LEVEL_MIN 0 463 #define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff 464 #define SCTPCTL_LOGGING_LEVEL_DEFAULT 0 465 466 /* JRS - default congestion control module sysctl */ 467 #define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module" 468 #define SCTPCTL_DEFAULT_CC_MODULE_MIN 0 469 #define SCTPCTL_DEFAULT_CC_MODULE_MAX 2 470 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0 471 472 /* RS - default stream scheduling module sysctl */ 473 #define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module" 474 #define SCTPCTL_DEFAULT_SS_MODULE_MIN 0 475 #define SCTPCTL_DEFAULT_SS_MODULE_MAX 5 476 #define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0 477 478 /* RRS - default fragment interleave */ 479 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level" 480 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0 481 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2 482 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1 483 484 /* mobility_base: Enable SCTP mobility support */ 485 #define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility" 486 #define SCTPCTL_MOBILITY_BASE_MIN 0 487 #define SCTPCTL_MOBILITY_BASE_MAX 1 488 #define SCTPCTL_MOBILITY_BASE_DEFAULT 0 489 490 /* mobility_fasthandoff: Enable SCTP fast handoff support */ 491 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff" 492 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0 493 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1 494 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT 0 495 496 /* Enable SCTP/UDP tunneling port */ 497 #define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port" 498 #define SCTPCTL_UDP_TUNNELING_PORT_MIN 0 499 #define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535 500 #if defined(__FreeBSD__) && !defined(__Userspace__) 501 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT 0 502 #else 503 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT SCTP_OVER_UDP_TUNNELING_PORT 504 #endif 505 506 /* Enable sending of the SACK-IMMEDIATELY bit */ 507 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit" 508 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0 509 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1 510 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 511 512 /* Enable sending of the NAT-FRIENDLY message */ 513 #define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs" 514 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0 515 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1 516 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN 517 518 /* Vtag time wait in seconds */ 519 #define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it" 520 #define SCTPCTL_TIME_WAIT_MIN 0 521 #define SCTPCTL_TIME_WAIT_MAX 0xffffffff 522 #define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT 523 524 /* Enable Send/Receive buffer splitting */ 525 #define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting" 526 #define SCTPCTL_BUFFER_SPLITTING_MIN 0 527 #define SCTPCTL_BUFFER_SPLITTING_MAX 0x3 528 #define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN 529 530 /* Initial congestion window in MTUs */ 531 #define SCTPCTL_INITIAL_CWND_DESC "Defines the initial congestion window size in MTUs" 532 #define SCTPCTL_INITIAL_CWND_MIN 0 533 #define SCTPCTL_INITIAL_CWND_MAX 0xffffffff 534 #define SCTPCTL_INITIAL_CWND_DEFAULT 3 535 536 /* rttvar smooth avg for bw calc */ 537 #define SCTPCTL_RTTVAR_BW_DESC "Shift amount DCCC uses for bw smoothing on rtt calc" 538 #define SCTPCTL_RTTVAR_BW_MIN 0 539 #define SCTPCTL_RTTVAR_BW_MAX 32 540 #define SCTPCTL_RTTVAR_BW_DEFAULT 4 541 542 /* rttvar smooth avg for bw calc */ 543 #define SCTPCTL_RTTVAR_RTT_DESC "Shift amount DCCC uses for rtt smoothing on rtt calc" 544 #define SCTPCTL_RTTVAR_RTT_MIN 0 545 #define SCTPCTL_RTTVAR_RTT_MAX 32 546 #define SCTPCTL_RTTVAR_RTT_DEFAULT 5 547 548 #define SCTPCTL_RTTVAR_EQRET_DESC "Whether DCCC increases cwnd when the rtt and bw are unchanged" 549 #define SCTPCTL_RTTVAR_EQRET_MIN 0 550 #define SCTPCTL_RTTVAR_EQRET_MAX 1 551 #define SCTPCTL_RTTVAR_EQRET_DEFAULT 0 552 553 #define SCTPCTL_RTTVAR_STEADYS_DESC "Number of identical bw measurements DCCC takes to try step down of cwnd" 554 #define SCTPCTL_RTTVAR_STEADYS_MIN 0 555 #define SCTPCTL_RTTVAR_STEADYS_MAX 0xFFFF 556 #define SCTPCTL_RTTVAR_STEADYS_DEFAULT 20 /* 0 means disable feature */ 557 558 #define SCTPCTL_RTTVAR_DCCCECN_DESC "Enable ECN for DCCC." 559 #define SCTPCTL_RTTVAR_DCCCECN_MIN 0 560 #define SCTPCTL_RTTVAR_DCCCECN_MAX 1 561 #define SCTPCTL_RTTVAR_DCCCECN_DEFAULT 1 /* 0 means disable feature */ 562 563 #define SCTPCTL_BLACKHOLE_DESC "Enable SCTP blackholing, see blackhole(4) for more details" 564 #define SCTPCTL_BLACKHOLE_MIN 0 565 #define SCTPCTL_BLACKHOLE_MAX 2 566 #define SCTPCTL_BLACKHOLE_DEFAULT SCTPCTL_BLACKHOLE_MIN 567 568 /* sendall_limit: Maximum message with SCTP_SENDALL */ 569 #define SCTPCTL_SENDALL_LIMIT_DESC "Maximum size of a message send with SCTP_SENDALL" 570 #define SCTPCTL_SENDALL_LIMIT_MIN 0 571 #define SCTPCTL_SENDALL_LIMIT_MAX 0xFFFFFFFF 572 #define SCTPCTL_SENDALL_LIMIT_DEFAULT 1432 573 574 #define SCTPCTL_DIAG_INFO_CODE_DESC "Diagnostic information error cause code" 575 #define SCTPCTL_DIAG_INFO_CODE_MIN 0 576 #define SCTPCTL_DIAG_INFO_CODE_MAX 65535 577 #define SCTPCTL_DIAG_INFO_CODE_DEFAULT 0 578 579 #if defined(SCTP_DEBUG) 580 /* debug: Configure debug output */ 581 #define SCTPCTL_DEBUG_DESC "Configure debug output" 582 #define SCTPCTL_DEBUG_MIN 0 583 #define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 584 #define SCTPCTL_DEBUG_DEFAULT 0 585 #endif 586 587 #if defined(__APPLE__) && !defined(__Userspace__) 588 #define SCTPCTL_MAIN_TIMER_DESC "Main timer interval in ms" 589 #define SCTPCTL_MAIN_TIMER_MIN 1 590 #define SCTPCTL_MAIN_TIMER_MAX 0xFFFFFFFF 591 #define SCTPCTL_MAIN_TIMER_DEFAULT 10 592 593 #define SCTPCTL_IGNORE_VMWARE_INTERFACES_DESC "Ignore VMware Interfaces" 594 #define SCTPCTL_IGNORE_VMWARE_INTERFACES_MIN 0 595 #define SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX 1 596 #define SCTPCTL_IGNORE_VMWARE_INTERFACES_DEFAULT SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX 597 598 #define SCTPCTL_OUTPUT_UNLOCKED_DESC "Unlock socket when sending packets down to IP" 599 #define SCTPCTL_OUTPUT_UNLOCKED_MIN 0 600 #define SCTPCTL_OUTPUT_UNLOCKED_MAX 1 601 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN 602 603 #define SCTPCTL_ADDR_WATCHDOG_LIMIT_DESC "Address watchdog limit" 604 #define SCTPCTL_ADDR_WATCHDOG_LIMIT_MIN 0 605 #define SCTPCTL_ADDR_WATCHDOG_LIMIT_MAX 0xFFFFFFFF 606 #define SCTPCTL_ADDR_WATCHDOG_LIMIT_DEFAULT SCTPCTL_ADDR_WATCHDOG_LIMIT_MIN 607 608 #define SCTPCTL_VTAG_WATCHDOG_LIMIT_DESC "VTag watchdog limit" 609 #define SCTPCTL_VTAG_WATCHDOG_LIMIT_MIN 0 610 #define SCTPCTL_VTAG_WATCHDOG_LIMIT_MAX 0xFFFFFFFF 611 #define SCTPCTL_VTAG_WATCHDOG_LIMIT_DEFAULT SCTPCTL_VTAG_WATCHDOG_LIMIT_MIN 612 613 #endif 614 #if defined(_KERNEL) || defined(__Userspace__) 615 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__Userspace__) 616 #if defined(SYSCTL_DECL) 617 SYSCTL_DECL(_net_inet_sctp); 618 #endif 619 #endif 620 621 void sctp_init_sysctls(void); 622 #if defined(_WIN32) && !defined(__Userspace__) 623 void sctp_finish_sysctls(void); 624 #endif 625 626 #endif /* _KERNEL */ 627 #endif /* __sctp_sysctl_h__ */ 628