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 uint32_t sctp_sendall_limit; 120 #if defined(SCTP_DEBUG) 121 uint32_t sctp_debug_on; 122 #endif 123 }; 124 125 /* 126 * limits for the sysctl variables 127 */ 128 /* maxdgram: Maximum outgoing SCTP buffer size */ 129 #define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size" 130 #define SCTPCTL_MAXDGRAM_MIN 0 131 #define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF 132 #define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */ 133 134 /* recvspace: Maximum incoming SCTP buffer size */ 135 #define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size" 136 #define SCTPCTL_RECVSPACE_MIN 0 137 #define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF 138 #define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */ 139 140 /* autoasconf: Enable SCTP Auto-ASCONF */ 141 #define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF" 142 #define SCTPCTL_AUTOASCONF_MIN 0 143 #define SCTPCTL_AUTOASCONF_MAX 1 144 #define SCTPCTL_AUTOASCONF_DEFAULT 1 145 146 /* autoasconf: Enable SCTP Auto-ASCONF */ 147 #define SCTPCTL_MULTIPLEASCONFS_DESC "Enable SCTP Multiple-ASCONFs" 148 #define SCTPCTL_MULTIPLEASCONFS_MIN 0 149 #define SCTPCTL_MULTIPLEASCONFS_MAX 1 150 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS 151 152 /* ecn_enable: Enable SCTP ECN */ 153 #define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN" 154 #define SCTPCTL_ECN_ENABLE_MIN 0 155 #define SCTPCTL_ECN_ENABLE_MAX 1 156 #define SCTPCTL_ECN_ENABLE_DEFAULT 1 157 158 /* pr_enable: Enable PR-SCTP */ 159 #define SCTPCTL_PR_ENABLE_DESC "Enable PR-SCTP" 160 #define SCTPCTL_PR_ENABLE_MIN 0 161 #define SCTPCTL_PR_ENABLE_MAX 1 162 #define SCTPCTL_PR_ENABLE_DEFAULT 1 163 164 /* auth_enable: Enable SCTP AUTH function */ 165 #define SCTPCTL_AUTH_ENABLE_DESC "Enable SCTP AUTH function" 166 #define SCTPCTL_AUTH_ENABLE_MIN 0 167 #define SCTPCTL_AUTH_ENABLE_MAX 1 168 #define SCTPCTL_AUTH_ENABLE_DEFAULT 1 169 170 /* asconf_enable: Enable SCTP ASCONF */ 171 #define SCTPCTL_ASCONF_ENABLE_DESC "Enable SCTP ASCONF" 172 #define SCTPCTL_ASCONF_ENABLE_MIN 0 173 #define SCTPCTL_ASCONF_ENABLE_MAX 1 174 #define SCTPCTL_ASCONF_ENABLE_DEFAULT 1 175 176 /* reconfig_enable: Enable SCTP RE-CONFIG */ 177 #define SCTPCTL_RECONFIG_ENABLE_DESC "Enable SCTP RE-CONFIG" 178 #define SCTPCTL_RECONFIG_ENABLE_MIN 0 179 #define SCTPCTL_RECONFIG_ENABLE_MAX 1 180 #define SCTPCTL_RECONFIG_ENABLE_DEFAULT 1 181 182 /* nrsack_enable: Enable NR_SACK */ 183 #define SCTPCTL_NRSACK_ENABLE_DESC "Enable SCTP NR-SACK" 184 #define SCTPCTL_NRSACK_ENABLE_MIN 0 185 #define SCTPCTL_NRSACK_ENABLE_MAX 1 186 #define SCTPCTL_NRSACK_ENABLE_DEFAULT 0 187 188 /* pktdrop_enable: Enable SCTP Packet Drop Reports */ 189 #define SCTPCTL_PKTDROP_ENABLE_DESC "Enable SCTP PKTDROP" 190 #define SCTPCTL_PKTDROP_ENABLE_MIN 0 191 #define SCTPCTL_PKTDROP_ENABLE_MAX 1 192 #define SCTPCTL_PKTDROP_ENABLE_DEFAULT 0 193 194 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 195 #define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 196 #define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 197 #define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 198 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 199 200 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 201 #define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 202 #define SCTPCTL_PEER_CHKOH_MIN 0 203 #define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 204 #define SCTPCTL_PEER_CHKOH_DEFAULT 256 205 206 /* maxburst: Default max burst for sctp endpoints */ 207 #define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 208 #define SCTPCTL_MAXBURST_MIN 0 209 #define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 210 #define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 211 212 /* fr_maxburst: Default max burst for sctp endpoints when fast retransmitting */ 213 #define SCTPCTL_FRMAXBURST_DESC "Default max burst for SCTP endpoints when fast retransmitting" 214 #define SCTPCTL_FRMAXBURST_MIN 0 215 #define SCTPCTL_FRMAXBURST_MAX 0xFFFFFFFF 216 #define SCTPCTL_FRMAXBURST_DEFAULT SCTP_DEF_FRMAX_BURST 217 218 /* maxchunks: Default max chunks on queue per asoc */ 219 #define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 220 #define SCTPCTL_MAXCHUNKS_MIN 0 221 #define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 222 #define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 223 224 /* tcbhashsize: Tunable for Hash table sizes */ 225 #define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 226 #define SCTPCTL_TCBHASHSIZE_MIN 1 227 #define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 228 #define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 229 230 /* pcbhashsize: Tunable for PCB Hash table sizes */ 231 #define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 232 #define SCTPCTL_PCBHASHSIZE_MIN 1 233 #define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 234 #define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 235 236 /* min_split_point: Minimum size when splitting a chunk */ 237 #define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 238 #define SCTPCTL_MIN_SPLIT_POINT_MIN 0 239 #define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 240 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 241 242 /* chunkscale: Tunable for Scaling of number of chunks and messages */ 243 #define SCTPCTL_CHUNKSCALE_DESC "Tunable for scaling of number of chunks and messages" 244 #define SCTPCTL_CHUNKSCALE_MIN 1 245 #define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 246 #define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 247 248 /* delayed_sack_time: Default delayed SACK timer in ms */ 249 #define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in ms" 250 #define SCTPCTL_DELAYED_SACK_TIME_MIN 0 251 #define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 252 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 253 254 /* sack_freq: Default SACK frequency */ 255 #define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 256 #define SCTPCTL_SACK_FREQ_MIN 0 257 #define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 258 #define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 259 260 /* sys_resource: Max number of cached resources in the system */ 261 #define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 262 #define SCTPCTL_SYS_RESOURCE_MIN 0 263 #define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 264 #define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 265 266 /* asoc_resource: Max number of cached resources in an asoc */ 267 #define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 268 #define SCTPCTL_ASOC_RESOURCE_MIN 0 269 #define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 270 #define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 271 272 /* heartbeat_interval: Default heartbeat interval in ms */ 273 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms" 274 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 275 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 276 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 277 278 /* pmtu_raise_time: Default PMTU raise timer in seconds */ 279 #define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in seconds" 280 #define SCTPCTL_PMTU_RAISE_TIME_MIN 0 281 #define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 282 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 283 284 /* shutdown_guard_time: Default shutdown guard timer in seconds */ 285 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Shutdown guard timer in seconds (0 means 5 times RTO.Max)" 286 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 287 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 288 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT 0 289 290 /* secret_lifetime: Default secret lifetime in seconds */ 291 #define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in seconds" 292 #define SCTPCTL_SECRET_LIFETIME_MIN 0 293 #define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 294 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 295 296 /* rto_max: Default maximum retransmission timeout in ms */ 297 #define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in ms" 298 #define SCTPCTL_RTO_MAX_MIN 0 299 #define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 300 #define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 301 302 /* rto_min: Default minimum retransmission timeout in ms */ 303 #define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in ms" 304 #define SCTPCTL_RTO_MIN_MIN 0 305 #define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 306 #define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 307 308 /* rto_initial: Default initial retransmission timeout in ms */ 309 #define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in ms" 310 #define SCTPCTL_RTO_INITIAL_MIN 0 311 #define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 312 #define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 313 314 /* init_rto_max: Default maximum retransmission timeout during association setup in ms */ 315 #define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in ms" 316 #define SCTPCTL_INIT_RTO_MAX_MIN 0 317 #define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 318 #define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 319 320 /* valid_cookie_life: Default cookie lifetime in ms */ 321 #define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in ms" 322 #define SCTPCTL_VALID_COOKIE_LIFE_MIN SCTP_MIN_COOKIE_LIFE 323 #define SCTPCTL_VALID_COOKIE_LIFE_MAX SCTP_MAX_COOKIE_LIFE 324 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 325 326 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 327 #define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmissions for INIT chunks" 328 #define SCTPCTL_INIT_RTX_MAX_MIN 0 329 #define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 330 #define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 331 332 /* assoc_rtx_max: Default maximum number of retransmissions per association */ 333 #define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 334 #define SCTPCTL_ASSOC_RTX_MAX_MIN 0 335 #define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 336 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 337 338 /* path_rtx_max: Default maximum of retransmissions per path */ 339 #define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 340 #define SCTPCTL_PATH_RTX_MAX_MIN 0 341 #define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 342 #define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 343 344 /* path_pf_threshold: threshold for considering the path potentially failed */ 345 #define SCTPCTL_PATH_PF_THRESHOLD_DESC "Default potentially failed threshold" 346 #define SCTPCTL_PATH_PF_THRESHOLD_MIN 0 347 #define SCTPCTL_PATH_PF_THRESHOLD_MAX 0xFFFF 348 #define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT SCTPCTL_PATH_PF_THRESHOLD_MAX 349 350 /* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */ 351 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer" 352 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 353 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 354 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 355 356 /* incoming_streams: Default number of incoming streams */ 357 #define SCTPCTL_INCOMING_STREAMS_DESC "Default number of incoming streams" 358 #define SCTPCTL_INCOMING_STREAMS_MIN 1 359 #define SCTPCTL_INCOMING_STREAMS_MAX 65535 360 #define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL 361 362 /* outgoing_streams: Default number of outgoing streams */ 363 #define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 364 #define SCTPCTL_OUTGOING_STREAMS_MIN 1 365 #define SCTPCTL_OUTGOING_STREAMS_MAX 65535 366 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 367 368 /* cmt_on_off: CMT on/off flag */ 369 #define SCTPCTL_CMT_ON_OFF_DESC "CMT settings" 370 #define SCTPCTL_CMT_ON_OFF_MIN SCTP_CMT_OFF 371 #define SCTPCTL_CMT_ON_OFF_MAX SCTP_CMT_MAX 372 #define SCTPCTL_CMT_ON_OFF_DEFAULT SCTP_CMT_OFF 373 374 /* cmt_use_dac: CMT DAC on/off flag */ 375 #define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 376 #define SCTPCTL_CMT_USE_DAC_MIN 0 377 #define SCTPCTL_CMT_USE_DAC_MAX 1 378 #define SCTPCTL_CMT_USE_DAC_DEFAULT 0 379 380 /* cwnd_maxburst: Use a CWND adjusting to implement maxburst */ 381 #define SCTPCTL_CWND_MAXBURST_DESC "Adjust congestion control window to limit maximum burst when sending" 382 #define SCTPCTL_CWND_MAXBURST_MIN 0 383 #define SCTPCTL_CWND_MAXBURST_MAX 1 384 #define SCTPCTL_CWND_MAXBURST_DEFAULT 1 385 386 /* nat_friendly: SCTP NAT friendly operation */ 387 #define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 388 #define SCTPCTL_NAT_FRIENDLY_MIN 0 389 #define SCTPCTL_NAT_FRIENDLY_MAX 1 390 #define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 391 392 /* abc_l_var: SCTP ABC max increase per SACK (L) */ 393 #define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 394 #define SCTPCTL_ABC_L_VAR_MIN 0 395 #define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 396 #define SCTPCTL_ABC_L_VAR_DEFAULT 2 397 398 /* max_chained_mbufs: Default max number of small mbufs on a chain */ 399 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 400 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 401 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 402 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 403 404 /* do_sctp_drain: Should SCTP respond to the drain calls */ 405 #define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 406 #define SCTPCTL_DO_SCTP_DRAIN_MIN 0 407 #define SCTPCTL_DO_SCTP_DRAIN_MAX 1 408 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 409 410 /* hb_max_burst: Confirmation Heartbeat max burst? */ 411 #define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst" 412 #define SCTPCTL_HB_MAX_BURST_MIN 1 413 #define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 414 #define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_HBMAX_BURST 415 416 /* abort_at_limit: When one-2-one hits qlimit abort */ 417 #define SCTPCTL_ABORT_AT_LIMIT_DESC "Abort when one-to-one hits qlimit" 418 #define SCTPCTL_ABORT_AT_LIMIT_MIN 0 419 #define SCTPCTL_ABORT_AT_LIMIT_MAX 1 420 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 421 422 /* min_residual: min residual in a data fragment leftover */ 423 #define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 424 #define SCTPCTL_MIN_RESIDUAL_MIN 20 425 #define SCTPCTL_MIN_RESIDUAL_MAX 65535 426 #define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 427 428 /* max_retran_chunk: max chunk retransmissions */ 429 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retransmitted before assoc abort" 430 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 431 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 432 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 433 434 /* sctp_logging: This gives us logging when the options are enabled */ 435 #define SCTPCTL_LOGGING_LEVEL_DESC "Ltrace/KTR trace logging level" 436 #define SCTPCTL_LOGGING_LEVEL_MIN 0 437 #define SCTPCTL_LOGGING_LEVEL_MAX 0xffffffff 438 #define SCTPCTL_LOGGING_LEVEL_DEFAULT 0 439 440 /* JRS - default congestion control module sysctl */ 441 #define SCTPCTL_DEFAULT_CC_MODULE_DESC "Default congestion control module" 442 #define SCTPCTL_DEFAULT_CC_MODULE_MIN 0 443 #define SCTPCTL_DEFAULT_CC_MODULE_MAX 2 444 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT 0 445 446 /* RS - default stream scheduling module sysctl */ 447 #define SCTPCTL_DEFAULT_SS_MODULE_DESC "Default stream scheduling module" 448 #define SCTPCTL_DEFAULT_SS_MODULE_MIN 0 449 #define SCTPCTL_DEFAULT_SS_MODULE_MAX 5 450 #define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT 0 451 452 /* RRS - default fragment interleave */ 453 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC "Default fragment interleave level" 454 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN 0 455 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX 2 456 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1 457 458 /* mobility_base: Enable SCTP mobility support */ 459 #define SCTPCTL_MOBILITY_BASE_DESC "Enable SCTP base mobility" 460 #define SCTPCTL_MOBILITY_BASE_MIN 0 461 #define SCTPCTL_MOBILITY_BASE_MAX 1 462 #define SCTPCTL_MOBILITY_BASE_DEFAULT 0 463 464 /* mobility_fasthandoff: Enable SCTP fast handoff support */ 465 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC "Enable SCTP fast handoff" 466 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN 0 467 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX 1 468 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT 0 469 470 /* Enable SCTP/UDP tunneling port */ 471 #define SCTPCTL_UDP_TUNNELING_PORT_DESC "Set the SCTP/UDP tunneling port" 472 #define SCTPCTL_UDP_TUNNELING_PORT_MIN 0 473 #define SCTPCTL_UDP_TUNNELING_PORT_MAX 65535 474 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT 0 475 476 /* Enable sending of the SACK-IMMEDIATELY bit */ 477 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC "Enable sending of the SACK-IMMEDIATELY-bit" 478 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN 0 479 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 1 480 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX 481 482 /* Enable sending of the NAT-FRIENDLY message */ 483 #define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs" 484 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN 0 485 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX 1 486 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT SCTPCTL_NAT_FRIENDLY_INITS_MIN 487 488 /* Vtag time wait in seconds */ 489 #define SCTPCTL_TIME_WAIT_DESC "Vtag time wait time in seconds, 0 disables it" 490 #define SCTPCTL_TIME_WAIT_MIN 0 491 #define SCTPCTL_TIME_WAIT_MAX 0xffffffff 492 #define SCTPCTL_TIME_WAIT_DEFAULT SCTP_TIME_WAIT 493 494 /* Enable Send/Receive buffer splitting */ 495 #define SCTPCTL_BUFFER_SPLITTING_DESC "Enable send/receive buffer splitting" 496 #define SCTPCTL_BUFFER_SPLITTING_MIN 0 497 #define SCTPCTL_BUFFER_SPLITTING_MAX 0x3 498 #define SCTPCTL_BUFFER_SPLITTING_DEFAULT SCTPCTL_BUFFER_SPLITTING_MIN 499 500 /* Initial congestion window in MTUs */ 501 #define SCTPCTL_INITIAL_CWND_DESC "Defines the initial congestion window size in MTUs" 502 #define SCTPCTL_INITIAL_CWND_MIN 0 503 #define SCTPCTL_INITIAL_CWND_MAX 0xffffffff 504 #define SCTPCTL_INITIAL_CWND_DEFAULT 3 505 506 /* rttvar smooth avg for bw calc */ 507 #define SCTPCTL_RTTVAR_BW_DESC "Shift amount DCCC uses for bw smoothing on rtt calc" 508 #define SCTPCTL_RTTVAR_BW_MIN 0 509 #define SCTPCTL_RTTVAR_BW_MAX 32 510 #define SCTPCTL_RTTVAR_BW_DEFAULT 4 511 512 /* rttvar smooth avg for bw calc */ 513 #define SCTPCTL_RTTVAR_RTT_DESC "Shift amount DCCC uses for rtt smoothing on rtt calc" 514 #define SCTPCTL_RTTVAR_RTT_MIN 0 515 #define SCTPCTL_RTTVAR_RTT_MAX 32 516 #define SCTPCTL_RTTVAR_RTT_DEFAULT 5 517 518 #define SCTPCTL_RTTVAR_EQRET_DESC "Whether DCCC increases cwnd when the rtt and bw are unchanged" 519 #define SCTPCTL_RTTVAR_EQRET_MIN 0 520 #define SCTPCTL_RTTVAR_EQRET_MAX 1 521 #define SCTPCTL_RTTVAR_EQRET_DEFAULT 0 522 523 #define SCTPCTL_RTTVAR_STEADYS_DESC "Number of identical bw measurements DCCC takes to try step down of cwnd" 524 #define SCTPCTL_RTTVAR_STEADYS_MIN 0 525 #define SCTPCTL_RTTVAR_STEADYS_MAX 0xFFFF 526 #define SCTPCTL_RTTVAR_STEADYS_DEFAULT 20 /* 0 means disable feature */ 527 528 #define SCTPCTL_RTTVAR_DCCCECN_DESC "Enable ECN for DCCC." 529 #define SCTPCTL_RTTVAR_DCCCECN_MIN 0 530 #define SCTPCTL_RTTVAR_DCCCECN_MAX 1 531 #define SCTPCTL_RTTVAR_DCCCECN_DEFAULT 1 /* 0 means disable feature */ 532 533 #define SCTPCTL_BLACKHOLE_DESC "Enable SCTP blackholing, see blackhole(4) for more details" 534 #define SCTPCTL_BLACKHOLE_MIN 0 535 #define SCTPCTL_BLACKHOLE_MAX 2 536 #define SCTPCTL_BLACKHOLE_DEFAULT SCTPCTL_BLACKHOLE_MIN 537 538 /* sendall_limit: Maximum message with SCTP_SENDALL */ 539 #define SCTPCTL_SENDALL_LIMIT_DESC "Maximum size of a message send with SCTP_SENDALL" 540 #define SCTPCTL_SENDALL_LIMIT_MIN 0 541 #define SCTPCTL_SENDALL_LIMIT_MAX 0xFFFFFFFF 542 #define SCTPCTL_SENDALL_LIMIT_DEFAULT 1432 543 544 #define SCTPCTL_DIAG_INFO_CODE_DESC "Diagnostic information error cause code" 545 #define SCTPCTL_DIAG_INFO_CODE_MIN 0 546 #define SCTPCTL_DIAG_INFO_CODE_MAX 65535 547 #define SCTPCTL_DIAG_INFO_CODE_DEFAULT 0 548 549 #if defined(SCTP_DEBUG) 550 /* debug: Configure debug output */ 551 #define SCTPCTL_DEBUG_DESC "Configure debug output" 552 #define SCTPCTL_DEBUG_MIN 0 553 #define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 554 #define SCTPCTL_DEBUG_DEFAULT 0 555 #endif 556 557 #if defined(_KERNEL) || defined(__Userspace__) 558 #if defined(SYSCTL_DECL) 559 SYSCTL_DECL(_net_inet_sctp); 560 #endif 561 562 void sctp_init_sysctls(void); 563 564 #endif /* _KERNEL */ 565 #endif /* __sctp_sysctl_h__ */ 566