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