sys/netinet/sctp_sysctl.h

   1 /*-
   2  * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.
   3  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
   4  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  * a) Redistributions of source code must retain the above copyright notice,
  10  *    this list of conditions and the following disclaimer.
  11  *
  12  * b) Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in
  14  *    the documentation and/or other materials provided with the distribution.
  15  *
  16  * c) Neither the name of Cisco Systems, Inc. nor the names of its
  17  *    contributors may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  30  * THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __FBSDID("$FreeBSD$");
  35
  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         uint32_t sctp_diag_info_code;
 108 #if defined(SCTP_LOCAL_TRACE_BUF)
 109         struct sctp_log sctp_log;
 110 #endif
 111         uint32_t sctp_udp_tunneling_port;
 112         uint32_t sctp_enable_sack_immediately;
 113         uint32_t sctp_vtag_time_wait;
 114         uint32_t sctp_buffer_splitting;
 115         uint32_t sctp_initial_cwnd;
 116         uint32_t sctp_blackhole;
 117 #if defined(SCTP_DEBUG)
 118         uint32_t sctp_debug_on;
 119 #endif
 120 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
 121         uint32_t sctp_output_unlocked;
 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 Muliple-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 fr max burst for sctp endpoints"
 214 #define SCTPCTL_FRMAXBURST_MIN          0
 215 #define SCTPCTL_FRMAXBURST_MAX          0xFFFFFFFF
 216 #define SCTPCTL_FRMAXBURST_DEFAULT      SCTP_DEF_FRMAX_BURST
 217
 218
 219 /* maxchunks: Default max chunks on queue per asoc */
 220 #define SCTPCTL_MAXCHUNKS_DESC          "Default max chunks on queue per asoc"
 221 #define SCTPCTL_MAXCHUNKS_MIN           0
 222 #define SCTPCTL_MAXCHUNKS_MAX           0xFFFFFFFF
 223 #define SCTPCTL_MAXCHUNKS_DEFAULT       SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
 224
 225 /* tcbhashsize: Tunable for Hash table sizes */
 226 #define SCTPCTL_TCBHASHSIZE_DESC        "Tunable for TCB hash table sizes"
 227 #define SCTPCTL_TCBHASHSIZE_MIN         1
 228 #define SCTPCTL_TCBHASHSIZE_MAX         0xFFFFFFFF
 229 #define SCTPCTL_TCBHASHSIZE_DEFAULT     SCTP_TCBHASHSIZE
 230
 231 /* pcbhashsize: Tunable for PCB Hash table sizes */
 232 #define SCTPCTL_PCBHASHSIZE_DESC        "Tunable for PCB hash table sizes"
 233 #define SCTPCTL_PCBHASHSIZE_MIN         1
 234 #define SCTPCTL_PCBHASHSIZE_MAX         0xFFFFFFFF
 235 #define SCTPCTL_PCBHASHSIZE_DEFAULT     SCTP_PCBHASHSIZE
 236
 237 /* min_split_point: Minimum size when splitting a chunk */
 238 #define SCTPCTL_MIN_SPLIT_POINT_DESC    "Minimum size when splitting a chunk"
 239 #define SCTPCTL_MIN_SPLIT_POINT_MIN     0
 240 #define SCTPCTL_MIN_SPLIT_POINT_MAX     0xFFFFFFFF
 241 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN
 242
 243 /* chunkscale: Tunable for Scaling of number of chunks and messages */
 244 #define SCTPCTL_CHUNKSCALE_DESC         "Tunable for Scaling of number of chunks and messages"
 245 #define SCTPCTL_CHUNKSCALE_MIN          1
 246 #define SCTPCTL_CHUNKSCALE_MAX          0xFFFFFFFF
 247 #define SCTPCTL_CHUNKSCALE_DEFAULT      SCTP_CHUNKQUEUE_SCALE
 248
 249 /* delayed_sack_time: Default delayed SACK timer in ms */
 250 #define SCTPCTL_DELAYED_SACK_TIME_DESC  "Default delayed SACK timer in ms"
 251 #define SCTPCTL_DELAYED_SACK_TIME_MIN   0
 252 #define SCTPCTL_DELAYED_SACK_TIME_MAX   0xFFFFFFFF
 253 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT       SCTP_RECV_MSEC
 254
 255 /* sack_freq: Default SACK frequency */
 256 #define SCTPCTL_SACK_FREQ_DESC          "Default SACK frequency"
 257 #define SCTPCTL_SACK_FREQ_MIN           0
 258 #define SCTPCTL_SACK_FREQ_MAX           0xFFFFFFFF
 259 #define SCTPCTL_SACK_FREQ_DEFAULT       SCTP_DEFAULT_SACK_FREQ
 260
 261 /* sys_resource: Max number of cached resources in the system */
 262 #define SCTPCTL_SYS_RESOURCE_DESC       "Max number of cached resources in the system"
 263 #define SCTPCTL_SYS_RESOURCE_MIN        0
 264 #define SCTPCTL_SYS_RESOURCE_MAX        0xFFFFFFFF
 265 #define SCTPCTL_SYS_RESOURCE_DEFAULT    SCTP_DEF_SYSTEM_RESC_LIMIT
 266
 267 /* asoc_resource: Max number of cached resources in an asoc */
 268 #define SCTPCTL_ASOC_RESOURCE_DESC      "Max number of cached resources in an asoc"
 269 #define SCTPCTL_ASOC_RESOURCE_MIN       0
 270 #define SCTPCTL_ASOC_RESOURCE_MAX       0xFFFFFFFF
 271 #define SCTPCTL_ASOC_RESOURCE_DEFAULT   SCTP_DEF_ASOC_RESC_LIMIT
 272
 273 /* heartbeat_interval: Default heartbeat interval in ms */
 274 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in ms"
 275 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN  0
 276 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX  0xFFFFFFFF
 277 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT      SCTP_HB_DEFAULT_MSEC
 278
 279 /* pmtu_raise_time: Default PMTU raise timer in seconds */
 280 #define SCTPCTL_PMTU_RAISE_TIME_DESC    "Default PMTU raise timer in seconds"
 281 #define SCTPCTL_PMTU_RAISE_TIME_MIN     0
 282 #define SCTPCTL_PMTU_RAISE_TIME_MAX     0xFFFFFFFF
 283 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC
 284
 285 /* shutdown_guard_time: Default shutdown guard timer in seconds */
 286 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC        "Shutdown guard timer in seconds (0 means 5 times RTO.Max)"
 287 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN         0
 288 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX         0xFFFFFFFF
 289 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT     0
 290
 291 /* secret_lifetime: Default secret lifetime in seconds */
 292 #define SCTPCTL_SECRET_LIFETIME_DESC    "Default secret lifetime in seconds"
 293 #define SCTPCTL_SECRET_LIFETIME_MIN     0
 294 #define SCTPCTL_SECRET_LIFETIME_MAX     0xFFFFFFFF
 295 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC
 296
 297 /* rto_max: Default maximum retransmission timeout in ms */
 298 #define SCTPCTL_RTO_MAX_DESC            "Default maximum retransmission timeout in ms"
 299 #define SCTPCTL_RTO_MAX_MIN             0
 300 #define SCTPCTL_RTO_MAX_MAX             0xFFFFFFFF
 301 #define SCTPCTL_RTO_MAX_DEFAULT         SCTP_RTO_UPPER_BOUND
 302
 303 /* rto_min: Default minimum retransmission timeout in ms */
 304 #define SCTPCTL_RTO_MIN_DESC            "Default minimum retransmission timeout in ms"
 305 #define SCTPCTL_RTO_MIN_MIN             0
 306 #define SCTPCTL_RTO_MIN_MAX             0xFFFFFFFF
 307 #define SCTPCTL_RTO_MIN_DEFAULT         SCTP_RTO_LOWER_BOUND
 308
 309 /* rto_initial: Default initial retransmission timeout in ms */
 310 #define SCTPCTL_RTO_INITIAL_DESC        "Default initial retransmission timeout in ms"
 311 #define SCTPCTL_RTO_INITIAL_MIN         0
 312 #define SCTPCTL_RTO_INITIAL_MAX         0xFFFFFFFF
 313 #define SCTPCTL_RTO_INITIAL_DEFAULT     SCTP_RTO_INITIAL
 314
 315 /* init_rto_max: Default maximum retransmission timeout during association setup in ms */
 316 #define SCTPCTL_INIT_RTO_MAX_DESC       "Default maximum retransmission timeout during association setup in ms"
 317 #define SCTPCTL_INIT_RTO_MAX_MIN        0
 318 #define SCTPCTL_INIT_RTO_MAX_MAX        0xFFFFFFFF
 319 #define SCTPCTL_INIT_RTO_MAX_DEFAULT    SCTP_RTO_UPPER_BOUND
 320
 321 /* valid_cookie_life: Default cookie lifetime in sec */
 322 #define SCTPCTL_VALID_COOKIE_LIFE_DESC  "Default cookie lifetime in seconds"
 323 #define SCTPCTL_VALID_COOKIE_LIFE_MIN   0
 324 #define SCTPCTL_VALID_COOKIE_LIFE_MAX   0xFFFFFFFF
 325 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT       SCTP_DEFAULT_COOKIE_LIFE
 326
 327 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */
 328 #define SCTPCTL_INIT_RTX_MAX_DESC       "Default maximum number of retransmission for INIT chunks"
 329 #define SCTPCTL_INIT_RTX_MAX_MIN        0
 330 #define SCTPCTL_INIT_RTX_MAX_MAX        0xFFFFFFFF
 331 #define SCTPCTL_INIT_RTX_MAX_DEFAULT    SCTP_DEF_MAX_INIT
 332
 333 /* assoc_rtx_max: Default maximum number of retransmissions per association */
 334 #define SCTPCTL_ASSOC_RTX_MAX_DESC      "Default maximum number of retransmissions per association"
 335 #define SCTPCTL_ASSOC_RTX_MAX_MIN       0
 336 #define SCTPCTL_ASSOC_RTX_MAX_MAX       0xFFFFFFFF
 337 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT   SCTP_DEF_MAX_SEND
 338
 339 /* path_rtx_max: Default maximum of retransmissions per path */
 340 #define SCTPCTL_PATH_RTX_MAX_DESC       "Default maximum of retransmissions per path"
 341 #define SCTPCTL_PATH_RTX_MAX_MIN        0
 342 #define SCTPCTL_PATH_RTX_MAX_MAX        0xFFFFFFFF
 343 #define SCTPCTL_PATH_RTX_MAX_DEFAULT    SCTP_DEF_MAX_PATH_RTX
 344
 345 /* path_pf_threshold: threshold for considering the path potentially failed */
 346 #define SCTPCTL_PATH_PF_THRESHOLD_DESC          "Default potentially failed threshold"
 347 #define SCTPCTL_PATH_PF_THRESHOLD_MIN           0
 348 #define SCTPCTL_PATH_PF_THRESHOLD_MAX           0xFFFF
 349 #define SCTPCTL_PATH_PF_THRESHOLD_DEFAULT       SCTPCTL_PATH_PF_THRESHOLD_MAX
 350
 351 /* add_more_on_output: When space-wise is it worthwhile to try to add more to a socket send buffer */
 352 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space-wise is it worthwhile to try to add more to a socket send buffer"
 353 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN  0
 354 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX  0xFFFFFFFF
 355 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
 356
 357 /* incoming_streams: Default number of incoming streams */
 358 #define SCTPCTL_INCOMING_STREAMS_DESC   "Default number of incoming streams"
 359 #define SCTPCTL_INCOMING_STREAMS_MIN    1
 360 #define SCTPCTL_INCOMING_STREAMS_MAX    65535
 361 #define SCTPCTL_INCOMING_STREAMS_DEFAULT SCTP_ISTREAM_INITIAL
 362
 363 /* outgoing_streams: Default number of outgoing streams */
 364 #define SCTPCTL_OUTGOING_STREAMS_DESC   "Default number of outgoing streams"
 365 #define SCTPCTL_OUTGOING_STREAMS_MIN    1
 366 #define SCTPCTL_OUTGOING_STREAMS_MAX    65535
 367 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
 368
 369 /* cmt_on_off: CMT on/off flag */
 370 #define SCTPCTL_CMT_ON_OFF_DESC         "CMT settings"
 371 #define SCTPCTL_CMT_ON_OFF_MIN          SCTP_CMT_OFF
 372 #define SCTPCTL_CMT_ON_OFF_MAX          SCTP_CMT_MAX
 373 #define SCTPCTL_CMT_ON_OFF_DEFAULT      SCTP_CMT_OFF
 374
 375 /* cmt_use_dac: CMT DAC on/off flag */
 376 #define SCTPCTL_CMT_USE_DAC_DESC        "CMT DAC on/off flag"
 377 #define SCTPCTL_CMT_USE_DAC_MIN         0
 378 #define SCTPCTL_CMT_USE_DAC_MAX         1
 379 #define SCTPCTL_CMT_USE_DAC_DEFAULT     0
 380
 381 /* cwnd_maxburst: Use a CWND adjusting maxburst */
 382 #define SCTPCTL_CWND_MAXBURST_DESC      "Use a CWND adjusting maxburst"
 383 #define SCTPCTL_CWND_MAXBURST_MIN       0
 384 #define SCTPCTL_CWND_MAXBURST_MAX       1
 385 #define SCTPCTL_CWND_MAXBURST_DEFAULT   1
 386
 387 /* nat_friendly: SCTP NAT friendly operation */
 388 #define SCTPCTL_NAT_FRIENDLY_DESC       "SCTP NAT friendly operation"
 389 #define SCTPCTL_NAT_FRIENDLY_MIN        0
 390 #define SCTPCTL_NAT_FRIENDLY_MAX        1
 391 #define SCTPCTL_NAT_FRIENDLY_DEFAULT    1
 392
 393 /* abc_l_var: SCTP ABC max increase per SACK (L) */
 394 #define SCTPCTL_ABC_L_VAR_DESC          "SCTP ABC max increase per SACK (L)"
 395 #define SCTPCTL_ABC_L_VAR_MIN           0
 396 #define SCTPCTL_ABC_L_VAR_MAX           0xFFFFFFFF
 397 #define SCTPCTL_ABC_L_VAR_DEFAULT       2
 398
 399 /* max_chained_mbufs: Default max number of small mbufs on a chain */
 400 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC  "Default max number of small mbufs on a chain"
 401 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN   0
 402 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX   0xFFFFFFFF
 403 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT       SCTP_DEFAULT_MBUFS_IN_CHAIN
 404
 405 /* do_sctp_drain: Should SCTP respond to the drain calls */
 406 #define SCTPCTL_DO_SCTP_DRAIN_DESC      "Should SCTP respond to the drain calls"
 407 #define SCTPCTL_DO_SCTP_DRAIN_MIN       0
 408 #define SCTPCTL_DO_SCTP_DRAIN_MAX       1
 409 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT   1
 410
 411 /* hb_max_burst: Confirmation Heartbeat max burst? */
 412 #define SCTPCTL_HB_MAX_BURST_DESC       "Confirmation Heartbeat max burst"
 413 #define SCTPCTL_HB_MAX_BURST_MIN        1
 414 #define SCTPCTL_HB_MAX_BURST_MAX        0xFFFFFFFF
 415 #define SCTPCTL_HB_MAX_BURST_DEFAULT    SCTP_DEF_HBMAX_BURST
 416
 417 /* abort_at_limit: When one-2-one hits qlimit abort */
 418 #define SCTPCTL_ABORT_AT_LIMIT_DESC     "When one-2-one hits qlimit abort"
 419 #define SCTPCTL_ABORT_AT_LIMIT_MIN      0
 420 #define SCTPCTL_ABORT_AT_LIMIT_MAX      1
 421 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT  0
 422
 423 /* min_residual: min residual in a data fragment leftover */
 424 #define SCTPCTL_MIN_RESIDUAL_DESC       "Minimum residual data chunk in second part of split"
 425 #define SCTPCTL_MIN_RESIDUAL_MIN        20
 426 #define SCTPCTL_MIN_RESIDUAL_MAX        65535
 427 #define SCTPCTL_MIN_RESIDUAL_DEFAULT    1452
 428
 429 /* max_retran_chunk: max chunk retransmissions */
 430 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC   "Maximum times an unlucky chunk can be retran'd before assoc abort"
 431 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN    0
 432 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX    65535
 433 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT        30
 434
 435 /* sctp_logging: This gives us logging when the options are enabled */
 436 #define SCTPCTL_LOGGING_LEVEL_DESC      "Ltrace/KTR trace logging level"
 437 #define SCTPCTL_LOGGING_LEVEL_MIN       0
 438 #define SCTPCTL_LOGGING_LEVEL_MAX       0xffffffff
 439 #define SCTPCTL_LOGGING_LEVEL_DEFAULT   0
 440
 441 /* JRS - default congestion control module sysctl */
 442 #define SCTPCTL_DEFAULT_CC_MODULE_DESC          "Default congestion control module"
 443 #define SCTPCTL_DEFAULT_CC_MODULE_MIN           0
 444 #define SCTPCTL_DEFAULT_CC_MODULE_MAX           2
 445 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT       0
 446
 447 /* RS - default stream scheduling module sysctl */
 448 #define SCTPCTL_DEFAULT_SS_MODULE_DESC          "Default stream scheduling module"
 449 #define SCTPCTL_DEFAULT_SS_MODULE_MIN           0
 450 #define SCTPCTL_DEFAULT_SS_MODULE_MAX           5
 451 #define SCTPCTL_DEFAULT_SS_MODULE_DEFAULT       0
 452
 453 /* RRS - default fragment interleave */
 454 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC    "Default fragment interleave level"
 455 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN     0
 456 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX     2
 457 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1
 458
 459 /* mobility_base: Enable SCTP mobility support */
 460 #define SCTPCTL_MOBILITY_BASE_DESC      "Enable SCTP base mobility"
 461 #define SCTPCTL_MOBILITY_BASE_MIN       0
 462 #define SCTPCTL_MOBILITY_BASE_MAX       1
 463 #define SCTPCTL_MOBILITY_BASE_DEFAULT   0
 464
 465 /* mobility_fasthandoff: Enable SCTP fast handoff support */
 466 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC       "Enable SCTP fast handoff"
 467 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN        0
 468 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX        1
 469 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT    0
 470
 471 /* Enable SCTP/UDP tunneling port */
 472 #define SCTPCTL_UDP_TUNNELING_PORT_DESC         "Set the SCTP/UDP tunneling port"
 473 #define SCTPCTL_UDP_TUNNELING_PORT_MIN          0
 474 #define SCTPCTL_UDP_TUNNELING_PORT_MAX          65535
 475 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT      0
 476
 477 /* Enable sending of the SACK-IMMEDIATELY bit */
 478 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC    "Enable sending of the SACK-IMMEDIATELY-bit."
 479 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN     0
 480 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX     1
 481 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX
 482
 483 /* Enable sending of the NAT-FRIENDLY message */
 484 #define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs."
 485 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN  0
 486 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX  1
 487 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT      SCTPCTL_NAT_FRIENDLY_INITS_MIN
 488
 489 /* Vtag time wait in seconds */
 490 #define SCTPCTL_TIME_WAIT_DESC  "Vtag time wait time in seconds, 0 disables it."
 491 #define SCTPCTL_TIME_WAIT_MIN   0
 492 #define SCTPCTL_TIME_WAIT_MAX   0xffffffff
 493 #define SCTPCTL_TIME_WAIT_DEFAULT       SCTP_TIME_WAIT
 494
 495 /* Enable Send/Receive buffer splitting */
 496 #define SCTPCTL_BUFFER_SPLITTING_DESC           "Enable send/receive buffer splitting."
 497 #define SCTPCTL_BUFFER_SPLITTING_MIN            0
 498 #define SCTPCTL_BUFFER_SPLITTING_MAX            0x3
 499 #define SCTPCTL_BUFFER_SPLITTING_DEFAULT        SCTPCTL_BUFFER_SPLITTING_MIN
 500
 501 /* Initial congestion window in MTU */
 502 #define SCTPCTL_INITIAL_CWND_DESC       "Initial congestion window in MTUs"
 503 #define SCTPCTL_INITIAL_CWND_MIN        0
 504 #define SCTPCTL_INITIAL_CWND_MAX        0xffffffff
 505 #define SCTPCTL_INITIAL_CWND_DEFAULT    3
 506
 507 /* rttvar smooth avg for bw calc  */
 508 #define SCTPCTL_RTTVAR_BW_DESC  "Shift amount for bw smoothing on rtt calc"
 509 #define SCTPCTL_RTTVAR_BW_MIN   0
 510 #define SCTPCTL_RTTVAR_BW_MAX   32
 511 #define SCTPCTL_RTTVAR_BW_DEFAULT       4
 512
 513 /* rttvar smooth avg for bw calc  */
 514 #define SCTPCTL_RTTVAR_RTT_DESC "Shift amount for rtt smoothing on rtt calc"
 515 #define SCTPCTL_RTTVAR_RTT_MIN  0
 516 #define SCTPCTL_RTTVAR_RTT_MAX  32
 517 #define SCTPCTL_RTTVAR_RTT_DEFAULT      5
 518
 519 #define SCTPCTL_RTTVAR_EQRET_DESC       "What to return when rtt and bw are unchanged"
 520 #define SCTPCTL_RTTVAR_EQRET_MIN        0
 521 #define SCTPCTL_RTTVAR_EQRET_MAX        1
 522 #define SCTPCTL_RTTVAR_EQRET_DEFAULT    0
 523
 524 #define SCTPCTL_RTTVAR_STEADYS_DESC     "How many the sames it takes to try step down of cwnd"
 525 #define SCTPCTL_RTTVAR_STEADYS_MIN      0
 526 #define SCTPCTL_RTTVAR_STEADYS_MAX      0xFFFF
 527 #define SCTPCTL_RTTVAR_STEADYS_DEFAULT  20      /* 0 means disable feature */
 528
 529 #define SCTPCTL_RTTVAR_DCCCECN_DESC     "Enable for RTCC CC datacenter ECN"
 530 #define SCTPCTL_RTTVAR_DCCCECN_MIN      0
 531 #define SCTPCTL_RTTVAR_DCCCECN_MAX      1
 532 #define SCTPCTL_RTTVAR_DCCCECN_DEFAULT  1       /* 0 means disable feature */
 533
 534 #define SCTPCTL_BLACKHOLE_DESC          "Enable SCTP blackholing. See blackhole(4) for more details."
 535 #define SCTPCTL_BLACKHOLE_MIN           0
 536 #define SCTPCTL_BLACKHOLE_MAX           2
 537 #define SCTPCTL_BLACKHOLE_DEFAULT       SCTPCTL_BLACKHOLE_MIN
 538
 539 #define SCTPCTL_DIAG_INFO_CODE_DESC     "Diagnostic information error cause code"
 540 #define SCTPCTL_DIAG_INFO_CODE_MIN      0
 541 #define SCTPCTL_DIAG_INFO_CODE_MAX      65535
 542 #define SCTPCTL_DIAG_INFO_CODE_DEFAULT  0
 543
 544 #if defined(SCTP_DEBUG)
 545 /* debug: Configure debug output */
 546 #define SCTPCTL_DEBUG_DESC      "Configure debug output"
 547 #define SCTPCTL_DEBUG_MIN       0
 548 #define SCTPCTL_DEBUG_MAX       0xFFFFFFFF
 549 #define SCTPCTL_DEBUG_DEFAULT   0
 550 #endif
 551
 552
 553 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
 554 #define SCTPCTL_OUTPUT_UNLOCKED_DESC    "Unlock socket when sending packets down to IP."
 555 #define SCTPCTL_OUTPUT_UNLOCKED_MIN     0
 556 #define SCTPCTL_OUTPUT_UNLOCKED_MAX     1
 557 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN
 558 #endif
 559
 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__ */