1 /*- 2 * Copyright (c) 2007, Cisco Systems, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #ifndef __sctp_sysctl_h__ 35 #define __sctp_sysctl_h__ 36 37 #include <netinet/sctp_os.h> 38 #include <netinet/sctp_constants.h> 39 40 /* 41 * limits for the sysctl variables 42 */ 43 /* maxdgram: Maximum outgoing SCTP buffer size */ 44 #define SCTPCTL_MAXDGRAM 1 45 #define SCTPCTL_MAXDGRAM_DESC "Maximum outgoing SCTP buffer size" 46 #define SCTPCTL_MAXDGRAM_MIN 0 47 #define SCTPCTL_MAXDGRAM_MAX 0xFFFFFFFF 48 #define SCTPCTL_MAXDGRAM_DEFAULT 262144 /* 256k */ 49 50 /* recvspace: Maximum incoming SCTP buffer size */ 51 #define SCTPCTL_RECVSPACE 2 52 #define SCTPCTL_RECVSPACE_DESC "Maximum incoming SCTP buffer size" 53 #define SCTPCTL_RECVSPACE_MIN 0 54 #define SCTPCTL_RECVSPACE_MAX 0xFFFFFFFF 55 #define SCTPCTL_RECVSPACE_DEFAULT 262144 /* 256k */ 56 57 /* autoasconf: Enable SCTP Auto-ASCONF */ 58 #define SCTPCTL_AUTOASCONF 3 59 #define SCTPCTL_AUTOASCONF_DESC "Enable SCTP Auto-ASCONF" 60 #define SCTPCTL_AUTOASCONF_MIN 0 61 #define SCTPCTL_AUTOASCONF_MAX 1 62 #define SCTPCTL_AUTOASCONF_DEFAULT SCTP_DEFAULT_AUTO_ASCONF 63 64 /* ecn_enable: Enable SCTP ECN */ 65 #define SCTPCTL_ECN_ENABLE 4 66 #define SCTPCTL_ECN_ENABLE_DESC "Enable SCTP ECN" 67 #define SCTPCTL_ECN_ENABLE_MIN 0 68 #define SCTPCTL_ECN_ENABLE_MAX 1 69 #define SCTPCTL_ECN_ENABLE_DEFAULT 1 70 71 /* ecn_nonce: Enable SCTP ECN Nonce */ 72 #define SCTPCTL_ECN_NONCE 5 73 #define SCTPCTL_ECN_NONCE_DESC "Enable SCTP ECN Nonce" 74 #define SCTPCTL_ECN_NONCE_MIN 0 75 #define SCTPCTL_ECN_NONCE_MAX 1 76 #define SCTPCTL_ECN_NONCE_DEFAULT 0 77 78 /* strict_sacks: Enable SCTP Strict SACK checking */ 79 #define SCTPCTL_STRICT_SACKS 6 80 #define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking" 81 #define SCTPCTL_STRICT_SACKS_MIN 0 82 #define SCTPCTL_STRICT_SACKS_MAX 1 83 #define SCTPCTL_STRICT_SACKS_DEFAULT 0 84 85 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */ 86 #define SCTPCTL_LOOPBACK_NOCSUM 7 87 #define SCTPCTL_LOOPBACK_NOCSUM_DESC "Enable NO Csum on packets sent on loopback" 88 #define SCTPCTL_LOOPBACK_NOCSUM_MIN 0 89 #define SCTPCTL_LOOPBACK_NOCSUM_MAX 1 90 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1 91 92 /* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */ 93 #define SCTPCTL_STRICT_INIT 8 94 #define SCTPCTL_STRICT_INIT_DESC "Enable strict INIT/INIT-ACK singleton enforcement" 95 #define SCTPCTL_STRICT_INIT_MIN 0 96 #define SCTPCTL_STRICT_INIT_MAX 1 97 #define SCTPCTL_STRICT_INIT_DEFAULT 1 98 99 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */ 100 #define SCTPCTL_PEER_CHKOH 9 101 #define SCTPCTL_PEER_CHKOH_DESC "Amount to debit peers rwnd per chunk sent" 102 #define SCTPCTL_PEER_CHKOH_MIN 0 103 #define SCTPCTL_PEER_CHKOH_MAX 0xFFFFFFFF 104 #define SCTPCTL_PEER_CHKOH_DEFAULT 0 /* sizeof struct mbuf */ 105 106 /* maxburst: Default max burst for sctp endpoints */ 107 #define SCTPCTL_MAXBURST 10 108 #define SCTPCTL_MAXBURST_DESC "Default max burst for sctp endpoints" 109 #define SCTPCTL_MAXBURST_MIN 1 110 #define SCTPCTL_MAXBURST_MAX 0xFFFFFFFF 111 #define SCTPCTL_MAXBURST_DEFAULT SCTP_DEF_MAX_BURST 112 113 /* maxchunks: Default max chunks on queue per asoc */ 114 #define SCTPCTL_MAXCHUNKS 11 115 #define SCTPCTL_MAXCHUNKS_DESC "Default max chunks on queue per asoc" 116 #define SCTPCTL_MAXCHUNKS_MIN 0 117 #define SCTPCTL_MAXCHUNKS_MAX 0xFFFFFFFF 118 #define SCTPCTL_MAXCHUNKS_DEFAULT SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 119 120 /* tcbhashsize: Tuneable for Hash table sizes */ 121 #define SCTPCTL_TCBHASHSIZE 12 122 #define SCTPCTL_TCBHASHSIZE_DESC "Tunable for TCB hash table sizes" 123 #define SCTPCTL_TCBHASHSIZE_MIN 1 124 #define SCTPCTL_TCBHASHSIZE_MAX 0xFFFFFFFF 125 #define SCTPCTL_TCBHASHSIZE_DEFAULT SCTP_TCBHASHSIZE 126 127 /* pcbhashsize: Tuneable for PCB Hash table sizes */ 128 #define SCTPCTL_PCBHASHSIZE 13 129 #define SCTPCTL_PCBHASHSIZE_DESC "Tunable for PCB hash table sizes" 130 #define SCTPCTL_PCBHASHSIZE_MIN 1 131 #define SCTPCTL_PCBHASHSIZE_MAX 0xFFFFFFFF 132 #define SCTPCTL_PCBHASHSIZE_DEFAULT SCTP_PCBHASHSIZE 133 134 /* min_split_point: Minimum size when splitting a chunk */ 135 #define SCTPCTL_MIN_SPLIT_POINT 14 136 #define SCTPCTL_MIN_SPLIT_POINT_DESC "Minimum size when splitting a chunk" 137 #define SCTPCTL_MIN_SPLIT_POINT_MIN 0 138 #define SCTPCTL_MIN_SPLIT_POINT_MAX 0xFFFFFFFF 139 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN 140 141 /* chunkscale: Tuneable for Scaling of number of chunks and messages */ 142 #define SCTPCTL_CHUNKSCALE 15 143 #define SCTPCTL_CHUNKSCALE_DESC "Tuneable for Scaling of number of chunks and messages" 144 #define SCTPCTL_CHUNKSCALE_MIN 1 145 #define SCTPCTL_CHUNKSCALE_MAX 0xFFFFFFFF 146 #define SCTPCTL_CHUNKSCALE_DEFAULT SCTP_CHUNKQUEUE_SCALE 147 148 /* delayed_sack_time: Default delayed SACK timer in msec */ 149 #define SCTPCTL_DELAYED_SACK_TIME 16 150 #define SCTPCTL_DELAYED_SACK_TIME_DESC "Default delayed SACK timer in msec" 151 #define SCTPCTL_DELAYED_SACK_TIME_MIN 0 152 #define SCTPCTL_DELAYED_SACK_TIME_MAX 0xFFFFFFFF 153 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT SCTP_RECV_MSEC 154 155 /* sack_freq: Default SACK frequency */ 156 #define SCTPCTL_SACK_FREQ 17 157 #define SCTPCTL_SACK_FREQ_DESC "Default SACK frequency" 158 #define SCTPCTL_SACK_FREQ_MIN 0 159 #define SCTPCTL_SACK_FREQ_MAX 0xFFFFFFFF 160 #define SCTPCTL_SACK_FREQ_DEFAULT SCTP_DEFAULT_SACK_FREQ 161 162 /* sys_resource: Max number of cached resources in the system */ 163 #define SCTPCTL_SYS_RESOURCE 18 164 #define SCTPCTL_SYS_RESOURCE_DESC "Max number of cached resources in the system" 165 #define SCTPCTL_SYS_RESOURCE_MIN 0 166 #define SCTPCTL_SYS_RESOURCE_MAX 0xFFFFFFFF 167 #define SCTPCTL_SYS_RESOURCE_DEFAULT SCTP_DEF_SYSTEM_RESC_LIMIT 168 169 /* asoc_resource: Max number of cached resources in an asoc */ 170 #define SCTPCTL_ASOC_RESOURCE 19 171 #define SCTPCTL_ASOC_RESOURCE_DESC "Max number of cached resources in an asoc" 172 #define SCTPCTL_ASOC_RESOURCE_MIN 0 173 #define SCTPCTL_ASOC_RESOURCE_MAX 0xFFFFFFFF 174 #define SCTPCTL_ASOC_RESOURCE_DEFAULT SCTP_DEF_ASOC_RESC_LIMIT 175 176 /* heartbeat_interval: Default heartbeat interval in msec */ 177 #define SCTPCTL_HEARTBEAT_INTERVAL 20 178 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in msec" 179 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN 0 180 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX 0xFFFFFFFF 181 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT SCTP_HB_DEFAULT_MSEC 182 183 /* pmtu_raise_time: Default PMTU raise timer in sec */ 184 #define SCTPCTL_PMTU_RAISE_TIME 21 185 #define SCTPCTL_PMTU_RAISE_TIME_DESC "Default PMTU raise timer in sec" 186 #define SCTPCTL_PMTU_RAISE_TIME_MIN 0 187 #define SCTPCTL_PMTU_RAISE_TIME_MAX 0xFFFFFFFF 188 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC 189 190 /* shutdown_guard_time: Default shutdown guard timer in sec */ 191 #define SCTPCTL_SHUTDOWN_GUARD_TIME 22 192 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC "Default shutdown guard timer in sec" 193 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN 0 194 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX 0xFFFFFFFF 195 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT SCTP_DEF_MAX_SHUTDOWN_SEC 196 197 /* secret_lifetime: Default secret lifetime in sec */ 198 #define SCTPCTL_SECRET_LIFETIME 23 199 #define SCTPCTL_SECRET_LIFETIME_DESC "Default secret lifetime in sec" 200 #define SCTPCTL_SECRET_LIFETIME_MIN 0 201 #define SCTPCTL_SECRET_LIFETIME_MAX 0xFFFFFFFF 202 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC 203 204 /* rto_max: Default maximum retransmission timeout in msec */ 205 #define SCTPCTL_RTO_MAX 24 206 #define SCTPCTL_RTO_MAX_DESC "Default maximum retransmission timeout in msec" 207 #define SCTPCTL_RTO_MAX_MIN 0 208 #define SCTPCTL_RTO_MAX_MAX 0xFFFFFFFF 209 #define SCTPCTL_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 210 211 /* rto_min: Default minimum retransmission timeout in msec */ 212 #define SCTPCTL_RTO_MIN 25 213 #define SCTPCTL_RTO_MIN_DESC "Default minimum retransmission timeout in msec" 214 #define SCTPCTL_RTO_MIN_MIN 0 215 #define SCTPCTL_RTO_MIN_MAX 0xFFFFFFFF 216 #define SCTPCTL_RTO_MIN_DEFAULT SCTP_RTO_LOWER_BOUND 217 218 /* rto_initial: Default initial retransmission timeout in msec */ 219 #define SCTPCTL_RTO_INITIAL 26 220 #define SCTPCTL_RTO_INITIAL_DESC "Default initial retransmission timeout in msec" 221 #define SCTPCTL_RTO_INITIAL_MIN 0 222 #define SCTPCTL_RTO_INITIAL_MAX 0xFFFFFFFF 223 #define SCTPCTL_RTO_INITIAL_DEFAULT SCTP_RTO_INITIAL 224 225 /* init_rto_max: Default maximum retransmission timeout during association setup in msec */ 226 #define SCTPCTL_INIT_RTO_MAX 27 227 #define SCTPCTL_INIT_RTO_MAX_DESC "Default maximum retransmission timeout during association setup in msec" 228 #define SCTPCTL_INIT_RTO_MAX_MIN 0 229 #define SCTPCTL_INIT_RTO_MAX_MAX 0xFFFFFFFF 230 #define SCTPCTL_INIT_RTO_MAX_DEFAULT SCTP_RTO_UPPER_BOUND 231 232 /* valid_cookie_life: Default cookie lifetime in sec */ 233 #define SCTPCTL_VALID_COOKIE_LIFE 28 234 #define SCTPCTL_VALID_COOKIE_LIFE_DESC "Default cookie lifetime in sec" 235 #define SCTPCTL_VALID_COOKIE_LIFE_MIN 0 236 #define SCTPCTL_VALID_COOKIE_LIFE_MAX 0xFFFFFFFF 237 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT SCTP_DEFAULT_COOKIE_LIFE 238 239 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */ 240 #define SCTPCTL_INIT_RTX_MAX 29 241 #define SCTPCTL_INIT_RTX_MAX_DESC "Default maximum number of retransmission for INIT chunks" 242 #define SCTPCTL_INIT_RTX_MAX_MIN 0 243 #define SCTPCTL_INIT_RTX_MAX_MAX 0xFFFFFFFF 244 #define SCTPCTL_INIT_RTX_MAX_DEFAULT SCTP_DEF_MAX_INIT 245 246 /* assoc_rtx_max: Default maximum number of retransmissions per association */ 247 #define SCTPCTL_ASSOC_RTX_MAX 30 248 #define SCTPCTL_ASSOC_RTX_MAX_DESC "Default maximum number of retransmissions per association" 249 #define SCTPCTL_ASSOC_RTX_MAX_MIN 0 250 #define SCTPCTL_ASSOC_RTX_MAX_MAX 0xFFFFFFFF 251 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT SCTP_DEF_MAX_SEND 252 253 /* path_rtx_max: Default maximum of retransmissions per path */ 254 #define SCTPCTL_PATH_RTX_MAX 31 255 #define SCTPCTL_PATH_RTX_MAX_DESC "Default maximum of retransmissions per path" 256 #define SCTPCTL_PATH_RTX_MAX_MIN 0 257 #define SCTPCTL_PATH_RTX_MAX_MAX 0xFFFFFFFF 258 #define SCTPCTL_PATH_RTX_MAX_DEFAULT SCTP_DEF_MAX_PATH_RTX 259 260 /* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */ 261 #define SCTPCTL_ADD_MORE_ON_OUTPUT 32 262 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space wise is it worthwhile to try to add more to a socket send buffer" 263 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN 0 264 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX 0xFFFFFFFF 265 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE 266 267 /* outgoing_streams: Default number of outgoing streams */ 268 #define SCTPCTL_OUTGOING_STREAMS 33 269 #define SCTPCTL_OUTGOING_STREAMS_DESC "Default number of outgoing streams" 270 #define SCTPCTL_OUTGOING_STREAMS_MIN 1 271 #define SCTPCTL_OUTGOING_STREAMS_MAX 65535 272 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL 273 274 /* cmt_on_off: CMT on/off flag */ 275 #define SCTPCTL_CMT_ON_OFF 34 276 #define SCTPCTL_CMT_ON_OFF_DESC "CMT on/off flag" 277 #define SCTPCTL_CMT_ON_OFF_MIN 0 278 #define SCTPCTL_CMT_ON_OFF_MAX 1 279 #define SCTPCTL_CMT_ON_OFF_DEFAULT 0 280 281 /* cwnd_maxburst: Use a CWND adjusting maxburst */ 282 #define SCTPCTL_CWND_MAXBURST 35 283 #define SCTPCTL_CWND_MAXBURST_DESC "Use a CWND adjusting maxburst" 284 #define SCTPCTL_CWND_MAXBURST_MIN 0 285 #define SCTPCTL_CWND_MAXBURST_MAX 1 286 #define SCTPCTL_CWND_MAXBURST_DEFAULT 1 287 288 /* early_fast_retran: Early Fast Retransmit with timer */ 289 #define SCTPCTL_EARLY_FAST_RETRAN 36 290 #define SCTPCTL_EARLY_FAST_RETRAN_DESC "Early Fast Retransmit with timer" 291 #define SCTPCTL_EARLY_FAST_RETRAN_MIN 0 292 #define SCTPCTL_EARLY_FAST_RETRAN_MAX 0xFFFFFFFF 293 #define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT 0 294 295 /* deadlock_detect: SMP Deadlock detection on/off */ 296 #define SCTPCTL_DEADLOCK_DETECT 37 297 #define SCTPCTL_DEADLOCK_DETECT_DESC "SMP Deadlock detection on/off" 298 #define SCTPCTL_DEADLOCK_DETECT_MIN 0 299 #define SCTPCTL_DEADLOCK_DETECT_MAX 1 300 #define SCTPCTL_DEADLOCK_DETECT_DEFAULT 0 301 302 /* early_fast_retran_msec: Early Fast Retransmit minimum timer value */ 303 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC 38 304 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC "Early Fast Retransmit minimum timer value" 305 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN 0 306 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX 0xFFFFFFFF 307 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT SCTP_MINFR_MSEC_TIMER 308 309 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */ 310 #define SCTPCTL_ASCONF_AUTH_NOCHK 39 311 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC "Disable SCTP ASCONF AUTH requirement" 312 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN 0 313 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX 1 314 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT 0 315 316 /* auth_disable: Disable SCTP AUTH function */ 317 #define SCTPCTL_AUTH_DISABLE 40 318 #define SCTPCTL_AUTH_DISABLE_DESC "Disable SCTP AUTH function" 319 #define SCTPCTL_AUTH_DISABLE_MIN 0 320 #define SCTPCTL_AUTH_DISABLE_MAX 1 321 #define SCTPCTL_AUTH_DISABLE_DEFAULT 0 322 323 /* nat_friendly: SCTP NAT friendly operation */ 324 #define SCTPCTL_NAT_FRIENDLY 41 325 #define SCTPCTL_NAT_FRIENDLY_DESC "SCTP NAT friendly operation" 326 #define SCTPCTL_NAT_FRIENDLY_MIN 0 327 #define SCTPCTL_NAT_FRIENDLY_MAX 1 328 #define SCTPCTL_NAT_FRIENDLY_DEFAULT 1 329 330 /* abc_l_var: SCTP ABC max increase per SACK (L) */ 331 #define SCTPCTL_ABC_L_VAR 42 332 #define SCTPCTL_ABC_L_VAR_DESC "SCTP ABC max increase per SACK (L)" 333 #define SCTPCTL_ABC_L_VAR_MIN 0 334 #define SCTPCTL_ABC_L_VAR_MAX 0xFFFFFFFF 335 #define SCTPCTL_ABC_L_VAR_DEFAULT 1 336 337 /* max_chained_mbufs: Default max number of small mbufs on a chain */ 338 #define SCTPCTL_MAX_CHAINED_MBUFS 43 339 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC "Default max number of small mbufs on a chain" 340 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN 0 341 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX 0xFFFFFFFF 342 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT SCTP_DEFAULT_MBUFS_IN_CHAIN 343 344 /* cmt_use_dac: CMT DAC on/off flag */ 345 #define SCTPCTL_CMT_USE_DAC 44 346 #define SCTPCTL_CMT_USE_DAC_DESC "CMT DAC on/off flag" 347 #define SCTPCTL_CMT_USE_DAC_MIN 0 348 #define SCTPCTL_CMT_USE_DAC_MAX 1 349 #define SCTPCTL_CMT_USE_DAC_DEFAULT 0 350 351 /* do_sctp_drain: Should SCTP respond to the drain calls */ 352 #define SCTPCTL_DO_SCTP_DRAIN 45 353 #define SCTPCTL_DO_SCTP_DRAIN_DESC "Should SCTP respond to the drain calls" 354 #define SCTPCTL_DO_SCTP_DRAIN_MIN 0 355 #define SCTPCTL_DO_SCTP_DRAIN_MAX 1 356 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT 1 357 358 /* hb_max_burst: Confirmation Heartbeat max burst? */ 359 #define SCTPCTL_HB_MAX_BURST 46 360 #define SCTPCTL_HB_MAX_BURST_DESC "Confirmation Heartbeat max burst?" 361 #define SCTPCTL_HB_MAX_BURST_MIN 1 362 #define SCTPCTL_HB_MAX_BURST_MAX 0xFFFFFFFF 363 #define SCTPCTL_HB_MAX_BURST_DEFAULT SCTP_DEF_MAX_BURST 364 365 /* abort_at_limit: When one-2-one hits qlimit abort */ 366 #define SCTPCTL_ABORT_AT_LIMIT 47 367 #define SCTPCTL_ABORT_AT_LIMIT_DESC "When one-2-one hits qlimit abort" 368 #define SCTPCTL_ABORT_AT_LIMIT_MIN 0 369 #define SCTPCTL_ABORT_AT_LIMIT_MAX 1 370 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT 0 371 372 /* strict_data_order: Enforce strict data ordering, abort if control inside data */ 373 #define SCTPCTL_STRICT_DATA_ORDER 48 374 #define SCTPCTL_STRICT_DATA_ORDER_DESC "Enforce strict data ordering, abort if control inside data" 375 #define SCTPCTL_STRICT_DATA_ORDER_MIN 0 376 #define SCTPCTL_STRICT_DATA_ORDER_MAX 1 377 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT 0 378 379 /* min_residual: min residual in a data fragment leftover */ 380 #define SCTPCTL_MIN_REDIDUAL 49 381 #define SCTPCTL_MIN_RESIDUAL_DESC "Minimum residual data chunk in second part of split" 382 #define SCTPCTL_MIN_RESIDUAL_MIN 20 383 #define SCTPCTL_MIN_RESIDUAL_MAX 65535 384 #define SCTPCTL_MIN_RESIDUAL_DEFAULT 1452 385 386 /* max_retran_chunk: max chunk retransmissions */ 387 #define SCTPCTL_MAX_RETRAN_CHUNK 50 388 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC "Maximum times an unlucky chunk can be retran'd before assoc abort" 389 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN 0 390 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX 65535 391 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT 30 392 393 394 #ifdef SCTP_DEBUG 395 /* debug: Configure debug output */ 396 #define SCTPCTL_DEBUG 51 397 #define SCTPCTL_DEBUG_DESC "Configure debug output" 398 #define SCTPCTL_DEBUG_MIN 0 399 #define SCTPCTL_DEBUG_MAX 0xFFFFFFFF 400 #define SCTPCTL_DEBUG_DEFAULT 0 401 402 403 #define SCTPCTL_MAXID 51 404 #else 405 #define SCTPCTL_MAXID 50 406 #endif 407 408 /* 409 * Names for SCTP sysctl objects variables. 410 * Must match the OIDs above. 411 */ 412 #ifdef SCTP_DEBUG 413 #define SCTPCTL_NAMES { \ 414 { 0, 0 }, \ 415 { "sendspace", CTLTYPE_INT }, \ 416 { "recvspace", CTLTYPE_INT }, \ 417 { "autoasconf", CTLTYPE_INT }, \ 418 { "ecn_enable", CTLTYPE_INT }, \ 419 { "ecn_nonce", CTLTYPE_INT }, \ 420 { "strict_sack", CTLTYPE_INT }, \ 421 { "looback_nocsum", CTLTYPE_INT }, \ 422 { "strict_init", CTLTYPE_INT }, \ 423 { "peer_chkoh", CTLTYPE_INT }, \ 424 { "maxburst", CTLTYPE_INT }, \ 425 { "maxchunks", CTLTYPE_INT }, \ 426 { "delayed_sack_time", CTLTYPE_INT }, \ 427 { "sack_freq", CTLTYPE_INT }, \ 428 { "heartbeat_interval", CTLTYPE_INT }, \ 429 { "pmtu_raise_time", CTLTYPE_INT }, \ 430 { "shutdown_guard_time", CTLTYPE_INT }, \ 431 { "secret_lifetime", CTLTYPE_INT }, \ 432 { "rto_max", CTLTYPE_INT }, \ 433 { "rto_min", CTLTYPE_INT }, \ 434 { "rto_initial", CTLTYPE_INT }, \ 435 { "init_rto_max", CTLTYPE_INT }, \ 436 { "valid_cookie_life", CTLTYPE_INT }, \ 437 { "init_rtx_max", CTLTYPE_INT }, \ 438 { "assoc_rtx_max", CTLTYPE_INT }, \ 439 { "path_rtx_max", CTLTYPE_INT }, \ 440 { "outgoing_streams", CTLTYPE_INT }, \ 441 { "cmt_on_off", CTLTYPE_INT }, \ 442 { "cwnd_maxburst", CTLTYPE_INT }, \ 443 { "early_fast_retran", CTLTYPE_INT }, \ 444 { "deadlock_detect", CTLTYPE_INT }, \ 445 { "early_fast_retran_msec", CTLTYPE_INT }, \ 446 { "asconf_auth_nochk", CTLTYPE_INT }, \ 447 { "auth_disable", CTLTYPE_INT }, \ 448 { "nat_friendly", CTLTYPE_INT }, \ 449 { "abc_l_var", CTLTYPE_INT }, \ 450 { "max_mbuf_chain", CTLTYPE_INT }, \ 451 { "cmt_use_dac", CTLTYPE_INT }, \ 452 { "do_sctp_drain", CTLTYPE_INT }, \ 453 { "warm_crc_table", CTLTYPE_INT }, \ 454 { "abort_at_limit", CTLTYPE_INT }, \ 455 { "strict_data_order", CTLTYPE_INT }, \ 456 { "tcbhashsize", CTLTYPE_INT }, \ 457 { "pcbhashsize", CTLTYPE_INT }, \ 458 { "chunkscale", CTLTYPE_INT }, \ 459 { "min_split_point", CTLTYPE_INT }, \ 460 { "add_more_on_output", CTLTYPE_INT }, \ 461 { "sys_resource", CTLTYPE_INT }, \ 462 { "asoc_resource", CTLTYPE_INT }, \ 463 { "min_residual", CTLTYPE_INT }, \ 464 { "max_retran_chunk", CTLTYPE_INT }, \ 465 { "debug", CTLTYPE_INT }, \ 466 } 467 #else 468 #define SCTPCTL_NAMES { \ 469 { 0, 0 }, \ 470 { "sendspace", CTLTYPE_INT }, \ 471 { "recvspace", CTLTYPE_INT }, \ 472 { "autoasconf", CTLTYPE_INT }, \ 473 { "ecn_enable", CTLTYPE_INT }, \ 474 { "ecn_nonce", CTLTYPE_INT }, \ 475 { "strict_sack", CTLTYPE_INT }, \ 476 { "looback_nocsum", CTLTYPE_INT }, \ 477 { "strict_init", CTLTYPE_INT }, \ 478 { "peer_chkoh", CTLTYPE_INT }, \ 479 { "maxburst", CTLTYPE_INT }, \ 480 { "maxchunks", CTLTYPE_INT }, \ 481 { "delayed_sack_time", CTLTYPE_INT }, \ 482 { "sack_freq", CTLTYPE_INT }, \ 483 { "heartbeat_interval", CTLTYPE_INT }, \ 484 { "pmtu_raise_time", CTLTYPE_INT }, \ 485 { "shutdown_guard_time", CTLTYPE_INT }, \ 486 { "secret_lifetime", CTLTYPE_INT }, \ 487 { "rto_max", CTLTYPE_INT }, \ 488 { "rto_min", CTLTYPE_INT }, \ 489 { "rto_initial", CTLTYPE_INT }, \ 490 { "init_rto_max", CTLTYPE_INT }, \ 491 { "valid_cookie_life", CTLTYPE_INT }, \ 492 { "init_rtx_max", CTLTYPE_INT }, \ 493 { "assoc_rtx_max", CTLTYPE_INT }, \ 494 { "path_rtx_max", CTLTYPE_INT }, \ 495 { "outgoing_streams", CTLTYPE_INT }, \ 496 { "cmt_on_off", CTLTYPE_INT }, \ 497 { "cwnd_maxburst", CTLTYPE_INT }, \ 498 { "early_fast_retran", CTLTYPE_INT }, \ 499 { "deadlock_detect", CTLTYPE_INT }, \ 500 { "early_fast_retran_msec", CTLTYPE_INT }, \ 501 { "asconf_auth_nochk", CTLTYPE_INT }, \ 502 { "auth_disable", CTLTYPE_INT }, \ 503 { "nat_friendly", CTLTYPE_INT }, \ 504 { "abc_l_var", CTLTYPE_INT }, \ 505 { "max_mbuf_chain", CTLTYPE_INT }, \ 506 { "cmt_use_dac", CTLTYPE_INT }, \ 507 { "do_sctp_drain", CTLTYPE_INT }, \ 508 { "warm_crc_table", CTLTYPE_INT }, \ 509 { "abort_at_limit", CTLTYPE_INT }, \ 510 { "strict_data_order", CTLTYPE_INT }, \ 511 { "tcbhashsize", CTLTYPE_INT }, \ 512 { "pcbhashsize", CTLTYPE_INT }, \ 513 { "chunkscale", CTLTYPE_INT }, \ 514 { "min_split_point", CTLTYPE_INT }, \ 515 { "add_more_on_output", CTLTYPE_INT }, \ 516 { "sys_resource", CTLTYPE_INT }, \ 517 { "asoc_resource", CTLTYPE_INT }, \ 518 { "min_residual", CTLTYPE_INT }, \ 519 { "max_retran_chunk", CTLTYPE_INT }, \ 520 } 521 #endif 522 523 524 #if defined(_KERNEL) 525 526 /* 527 * variable definitions 528 */ 529 extern uint32_t sctp_sendspace; 530 extern uint32_t sctp_recvspace; 531 extern uint32_t sctp_auto_asconf; 532 extern uint32_t sctp_ecn_enable; 533 extern uint32_t sctp_ecn_nonce; 534 extern uint32_t sctp_strict_sacks; 535 extern uint32_t sctp_no_csum_on_loopback; 536 extern uint32_t sctp_strict_init; 537 extern uint32_t sctp_peer_chunk_oh; 538 extern uint32_t sctp_max_burst_default; 539 extern uint32_t sctp_max_chunks_on_queue; 540 extern uint32_t sctp_hashtblsize; 541 extern uint32_t sctp_pcbtblsize; 542 extern uint32_t sctp_min_split_point; 543 extern uint32_t sctp_chunkscale; 544 extern uint32_t sctp_delayed_sack_time_default; 545 extern uint32_t sctp_sack_freq_default; 546 extern uint32_t sctp_system_free_resc_limit; 547 extern uint32_t sctp_asoc_free_resc_limit; 548 extern uint32_t sctp_heartbeat_interval_default; 549 extern uint32_t sctp_pmtu_raise_time_default; 550 extern uint32_t sctp_shutdown_guard_time_default; 551 extern uint32_t sctp_secret_lifetime_default; 552 extern uint32_t sctp_rto_max_default; 553 extern uint32_t sctp_rto_min_default; 554 extern uint32_t sctp_rto_initial_default; 555 extern uint32_t sctp_init_rto_max_default; 556 extern uint32_t sctp_valid_cookie_life_default; 557 extern uint32_t sctp_init_rtx_max_default; 558 extern uint32_t sctp_assoc_rtx_max_default; 559 extern uint32_t sctp_path_rtx_max_default; 560 extern uint32_t sctp_add_more_threshold; 561 extern uint32_t sctp_nr_outgoing_streams_default; 562 extern uint32_t sctp_cmt_on_off; 563 extern uint32_t sctp_use_cwnd_based_maxburst; 564 extern uint32_t sctp_early_fr; 565 extern uint32_t sctp_use_rttvar_cc; 566 extern uint32_t sctp_says_check_for_deadlock; 567 extern uint32_t sctp_early_fr_msec; 568 extern uint32_t sctp_asconf_auth_nochk; 569 extern uint32_t sctp_auth_disable; 570 extern uint32_t sctp_nat_friendly; 571 extern uint32_t sctp_L2_abc_variable; 572 extern uint32_t sctp_mbuf_threshold_count; 573 extern uint32_t sctp_cmt_use_dac; 574 extern uint32_t sctp_do_drain; 575 extern uint32_t sctp_hb_maxburst; 576 extern uint32_t sctp_abort_if_one_2_one_hits_limit; 577 extern uint32_t sctp_strict_data_order; 578 extern uint32_t sctp_min_residual; 579 extern uint32_t sctp_max_retran_chunk; 580 581 #if defined(SCTP_DEBUG) 582 extern uint32_t sctp_debug_on; 583 584 #endif 585 586 extern struct sctpstat sctpstat; 587 588 589 #ifdef SYSCTL_DECL 590 SYSCTL_DECL(_net_inet_sctp); 591 #endif 592 593 #endif /* _KERNEL */ 594 #endif /* __sctp_sysctl_h__ */ 595