sys/netinet/sctp_sysctl.h

   1 /*-
   2  * Copyright (c) 2007, by 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 struct sctp_sysctl {
  41         uint32_t sctp_sendspace;
  42         uint32_t sctp_recvspace;
  43         uint32_t sctp_auto_asconf;
  44         uint32_t sctp_multiple_asconfs;
  45         uint32_t sctp_ecn_enable;
  46         uint32_t sctp_ecn_nonce;
  47         uint32_t sctp_strict_sacks;
  48         uint32_t sctp_no_csum_on_loopback;
  49         uint32_t sctp_strict_init;
  50         uint32_t sctp_peer_chunk_oh;
  51         uint32_t sctp_max_burst_default;
  52         uint32_t sctp_max_chunks_on_queue;
  53         uint32_t sctp_hashtblsize;
  54         uint32_t sctp_pcbtblsize;
  55         uint32_t sctp_min_split_point;
  56         uint32_t sctp_chunkscale;
  57         uint32_t sctp_delayed_sack_time_default;
  58         uint32_t sctp_sack_freq_default;
  59         uint32_t sctp_system_free_resc_limit;
  60         uint32_t sctp_asoc_free_resc_limit;
  61         uint32_t sctp_heartbeat_interval_default;
  62         uint32_t sctp_pmtu_raise_time_default;
  63         uint32_t sctp_shutdown_guard_time_default;
  64         uint32_t sctp_secret_lifetime_default;
  65         uint32_t sctp_rto_max_default;
  66         uint32_t sctp_rto_min_default;
  67         uint32_t sctp_rto_initial_default;
  68         uint32_t sctp_init_rto_max_default;
  69         uint32_t sctp_valid_cookie_life_default;
  70         uint32_t sctp_init_rtx_max_default;
  71         uint32_t sctp_assoc_rtx_max_default;
  72         uint32_t sctp_path_rtx_max_default;
  73         uint32_t sctp_add_more_threshold;
  74         uint32_t sctp_nr_outgoing_streams_default;
  75         uint32_t sctp_cmt_on_off;
  76         uint32_t sctp_cmt_use_dac;
  77         uint32_t sctp_cmt_pf;
  78         uint32_t sctp_use_cwnd_based_maxburst;
  79         uint32_t sctp_early_fr;
  80         uint32_t sctp_early_fr_msec;
  81         uint32_t sctp_asconf_auth_nochk;
  82         uint32_t sctp_auth_disable;
  83         uint32_t sctp_nat_friendly;
  84         uint32_t sctp_L2_abc_variable;
  85         uint32_t sctp_mbuf_threshold_count;
  86         uint32_t sctp_do_drain;
  87         uint32_t sctp_hb_maxburst;
  88         uint32_t sctp_abort_if_one_2_one_hits_limit;
  89         uint32_t sctp_strict_data_order;
  90         uint32_t sctp_min_residual;
  91         uint32_t sctp_max_retran_chunk;
  92         uint32_t sctp_logging_level;
  93         /* JRS - Variable for default congestion control module */
  94         uint32_t sctp_default_cc_module;
  95         uint32_t sctp_default_frag_interleave;
  96         uint32_t sctp_mobility_base;
  97         uint32_t sctp_mobility_fasthandoff;
  98 #if defined(SCTP_LOCAL_TRACE_BUF)
  99         struct sctp_log sctp_log;
 100 #endif
 101         uint32_t sctp_udp_tunneling_for_client_enable;
 102         uint32_t sctp_udp_tunneling_port;
 103         uint32_t sctp_enable_sack_immediately;
 104 #if defined(SCTP_DEBUG)
 105         uint32_t sctp_debug_on;
 106 #endif
 107 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
 108         uint32_t sctp_output_unlocked;
 109 #endif
 110 };
 111
 112 /*
 113  * limits for the sysctl variables
 114  */
 115 /* maxdgram: Maximum outgoing SCTP buffer size */
 116 #define SCTPCTL_MAXDGRAM_DESC           "Maximum outgoing SCTP buffer size"
 117 #define SCTPCTL_MAXDGRAM_MIN            0
 118 #define SCTPCTL_MAXDGRAM_MAX            0xFFFFFFFF
 119 #define SCTPCTL_MAXDGRAM_DEFAULT        262144  /* 256k */
 120
 121 /* recvspace: Maximum incoming SCTP buffer size */
 122 #define SCTPCTL_RECVSPACE_DESC          "Maximum incoming SCTP buffer size"
 123 #define SCTPCTL_RECVSPACE_MIN           0
 124 #define SCTPCTL_RECVSPACE_MAX           0xFFFFFFFF
 125 #define SCTPCTL_RECVSPACE_DEFAULT       262144  /* 256k */
 126
 127 /* autoasconf: Enable SCTP Auto-ASCONF */
 128 #define SCTPCTL_AUTOASCONF_DESC         "Enable SCTP Auto-ASCONF"
 129 #define SCTPCTL_AUTOASCONF_MIN          0
 130 #define SCTPCTL_AUTOASCONF_MAX          1
 131 #define SCTPCTL_AUTOASCONF_DEFAULT      SCTP_DEFAULT_AUTO_ASCONF
 132
 133 /* autoasconf: Enable SCTP Auto-ASCONF */
 134 #define SCTPCTL_MULTIPLEASCONFS_DESC    "Enable SCTP Muliple-ASCONFs"
 135 #define SCTPCTL_MULTIPLEASCONFS_MIN     0
 136 #define SCTPCTL_MULTIPLEASCONFS_MAX     1
 137 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS
 138
 139 /* ecn_enable: Enable SCTP ECN */
 140 #define SCTPCTL_ECN_ENABLE_DESC         "Enable SCTP ECN"
 141 #define SCTPCTL_ECN_ENABLE_MIN          0
 142 #define SCTPCTL_ECN_ENABLE_MAX          1
 143 #define SCTPCTL_ECN_ENABLE_DEFAULT      1
 144
 145 /* ecn_nonce: Enable SCTP ECN Nonce */
 146 #define SCTPCTL_ECN_NONCE_DESC          "Enable SCTP ECN Nonce"
 147 #define SCTPCTL_ECN_NONCE_MIN           0
 148 #define SCTPCTL_ECN_NONCE_MAX           1
 149 #define SCTPCTL_ECN_NONCE_DEFAULT       0
 150
 151 /* strict_sacks: Enable SCTP Strict SACK checking */
 152 #define SCTPCTL_STRICT_SACKS_DESC       "Enable SCTP Strict SACK checking"
 153 #define SCTPCTL_STRICT_SACKS_MIN        0
 154 #define SCTPCTL_STRICT_SACKS_MAX        1
 155 #define SCTPCTL_STRICT_SACKS_DEFAULT    1
 156
 157 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */
 158 #define SCTPCTL_LOOPBACK_NOCSUM_DESC    "Enable NO Csum on packets sent on loopback"
 159 #define SCTPCTL_LOOPBACK_NOCSUM_MIN     0
 160 #define SCTPCTL_LOOPBACK_NOCSUM_MAX     1
 161 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1
 162
 163 /* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */
 164 #define SCTPCTL_STRICT_INIT_DESC        "Enable strict INIT/INIT-ACK singleton enforcement"
 165 #define SCTPCTL_STRICT_INIT_MIN         0
 166 #define SCTPCTL_STRICT_INIT_MAX         1
 167 #define SCTPCTL_STRICT_INIT_DEFAULT     1
 168
 169 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */
 170 #define SCTPCTL_PEER_CHKOH_DESC         "Amount to debit peers rwnd per chunk sent"
 171 #define SCTPCTL_PEER_CHKOH_MIN          0
 172 #define SCTPCTL_PEER_CHKOH_MAX          0xFFFFFFFF
 173 #define SCTPCTL_PEER_CHKOH_DEFAULT      256
 174
 175 /* maxburst: Default max burst for sctp endpoints */
 176 #define SCTPCTL_MAXBURST_DESC           "Default max burst for sctp endpoints"
 177 #define SCTPCTL_MAXBURST_MIN            1
 178 #define SCTPCTL_MAXBURST_MAX            0xFFFFFFFF
 179 #define SCTPCTL_MAXBURST_DEFAULT        SCTP_DEF_MAX_BURST
 180
 181 /* maxchunks: Default max chunks on queue per asoc */
 182 #define SCTPCTL_MAXCHUNKS_DESC          "Default max chunks on queue per asoc"
 183 #define SCTPCTL_MAXCHUNKS_MIN           0
 184 #define SCTPCTL_MAXCHUNKS_MAX           0xFFFFFFFF
 185 #define SCTPCTL_MAXCHUNKS_DEFAULT       SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
 186
 187 /* tcbhashsize: Tuneable for Hash table sizes */
 188 #define SCTPCTL_TCBHASHSIZE_DESC        "Tunable for TCB hash table sizes"
 189 #define SCTPCTL_TCBHASHSIZE_MIN         1
 190 #define SCTPCTL_TCBHASHSIZE_MAX         0xFFFFFFFF
 191 #define SCTPCTL_TCBHASHSIZE_DEFAULT     SCTP_TCBHASHSIZE
 192
 193 /* pcbhashsize: Tuneable for PCB Hash table sizes */
 194 #define SCTPCTL_PCBHASHSIZE_DESC        "Tunable for PCB hash table sizes"
 195 #define SCTPCTL_PCBHASHSIZE_MIN         1
 196 #define SCTPCTL_PCBHASHSIZE_MAX         0xFFFFFFFF
 197 #define SCTPCTL_PCBHASHSIZE_DEFAULT     SCTP_PCBHASHSIZE
 198
 199 /* min_split_point: Minimum size when splitting a chunk */
 200 #define SCTPCTL_MIN_SPLIT_POINT_DESC    "Minimum size when splitting a chunk"
 201 #define SCTPCTL_MIN_SPLIT_POINT_MIN     0
 202 #define SCTPCTL_MIN_SPLIT_POINT_MAX     0xFFFFFFFF
 203 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN
 204
 205 /* chunkscale: Tuneable for Scaling of number of chunks and messages */
 206 #define SCTPCTL_CHUNKSCALE_DESC         "Tuneable for Scaling of number of chunks and messages"
 207 #define SCTPCTL_CHUNKSCALE_MIN          1
 208 #define SCTPCTL_CHUNKSCALE_MAX          0xFFFFFFFF
 209 #define SCTPCTL_CHUNKSCALE_DEFAULT      SCTP_CHUNKQUEUE_SCALE
 210
 211 /* delayed_sack_time: Default delayed SACK timer in msec */
 212 #define SCTPCTL_DELAYED_SACK_TIME_DESC  "Default delayed SACK timer in msec"
 213 #define SCTPCTL_DELAYED_SACK_TIME_MIN   0
 214 #define SCTPCTL_DELAYED_SACK_TIME_MAX   0xFFFFFFFF
 215 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT       SCTP_RECV_MSEC
 216
 217 /* sack_freq: Default SACK frequency */
 218 #define SCTPCTL_SACK_FREQ_DESC          "Default SACK frequency"
 219 #define SCTPCTL_SACK_FREQ_MIN           0
 220 #define SCTPCTL_SACK_FREQ_MAX           0xFFFFFFFF
 221 #define SCTPCTL_SACK_FREQ_DEFAULT       SCTP_DEFAULT_SACK_FREQ
 222
 223 /* sys_resource: Max number of cached resources in the system */
 224 #define SCTPCTL_SYS_RESOURCE_DESC       "Max number of cached resources in the system"
 225 #define SCTPCTL_SYS_RESOURCE_MIN        0
 226 #define SCTPCTL_SYS_RESOURCE_MAX        0xFFFFFFFF
 227 #define SCTPCTL_SYS_RESOURCE_DEFAULT    SCTP_DEF_SYSTEM_RESC_LIMIT
 228
 229 /* asoc_resource: Max number of cached resources in an asoc */
 230 #define SCTPCTL_ASOC_RESOURCE_DESC      "Max number of cached resources in an asoc"
 231 #define SCTPCTL_ASOC_RESOURCE_MIN       0
 232 #define SCTPCTL_ASOC_RESOURCE_MAX       0xFFFFFFFF
 233 #define SCTPCTL_ASOC_RESOURCE_DEFAULT   SCTP_DEF_ASOC_RESC_LIMIT
 234
 235 /* heartbeat_interval: Default heartbeat interval in msec */
 236 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in msec"
 237 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN  0
 238 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX  0xFFFFFFFF
 239 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT      SCTP_HB_DEFAULT_MSEC
 240
 241 /* pmtu_raise_time: Default PMTU raise timer in sec */
 242 #define SCTPCTL_PMTU_RAISE_TIME_DESC    "Default PMTU raise timer in sec"
 243 #define SCTPCTL_PMTU_RAISE_TIME_MIN     0
 244 #define SCTPCTL_PMTU_RAISE_TIME_MAX     0xFFFFFFFF
 245 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC
 246
 247 /* shutdown_guard_time: Default shutdown guard timer in sec */
 248 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC        "Default shutdown guard timer in sec"
 249 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN         0
 250 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX         0xFFFFFFFF
 251 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT     SCTP_DEF_MAX_SHUTDOWN_SEC
 252
 253 /* secret_lifetime: Default secret lifetime in sec */
 254 #define SCTPCTL_SECRET_LIFETIME_DESC    "Default secret lifetime in sec"
 255 #define SCTPCTL_SECRET_LIFETIME_MIN     0
 256 #define SCTPCTL_SECRET_LIFETIME_MAX     0xFFFFFFFF
 257 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC
 258
 259 /* rto_max: Default maximum retransmission timeout in msec */
 260 #define SCTPCTL_RTO_MAX_DESC            "Default maximum retransmission timeout in msec"
 261 #define SCTPCTL_RTO_MAX_MIN             0
 262 #define SCTPCTL_RTO_MAX_MAX             0xFFFFFFFF
 263 #define SCTPCTL_RTO_MAX_DEFAULT         SCTP_RTO_UPPER_BOUND
 264
 265 /* rto_min: Default minimum retransmission timeout in msec */
 266 #define SCTPCTL_RTO_MIN_DESC            "Default minimum retransmission timeout in msec"
 267 #define SCTPCTL_RTO_MIN_MIN             0
 268 #define SCTPCTL_RTO_MIN_MAX             0xFFFFFFFF
 269 #define SCTPCTL_RTO_MIN_DEFAULT         SCTP_RTO_LOWER_BOUND
 270
 271 /* rto_initial: Default initial retransmission timeout in msec */
 272 #define SCTPCTL_RTO_INITIAL_DESC        "Default initial retransmission timeout in msec"
 273 #define SCTPCTL_RTO_INITIAL_MIN         0
 274 #define SCTPCTL_RTO_INITIAL_MAX         0xFFFFFFFF
 275 #define SCTPCTL_RTO_INITIAL_DEFAULT     SCTP_RTO_INITIAL
 276
 277 /* init_rto_max: Default maximum retransmission timeout during association setup in msec */
 278 #define SCTPCTL_INIT_RTO_MAX_DESC       "Default maximum retransmission timeout during association setup in msec"
 279 #define SCTPCTL_INIT_RTO_MAX_MIN        0
 280 #define SCTPCTL_INIT_RTO_MAX_MAX        0xFFFFFFFF
 281 #define SCTPCTL_INIT_RTO_MAX_DEFAULT    SCTP_RTO_UPPER_BOUND
 282
 283 /* valid_cookie_life: Default cookie lifetime in sec */
 284 #define SCTPCTL_VALID_COOKIE_LIFE_DESC  "Default cookie lifetime in sec"
 285 #define SCTPCTL_VALID_COOKIE_LIFE_MIN   0
 286 #define SCTPCTL_VALID_COOKIE_LIFE_MAX   0xFFFFFFFF
 287 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT       SCTP_DEFAULT_COOKIE_LIFE
 288
 289 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */
 290 #define SCTPCTL_INIT_RTX_MAX_DESC       "Default maximum number of retransmission for INIT chunks"
 291 #define SCTPCTL_INIT_RTX_MAX_MIN        0
 292 #define SCTPCTL_INIT_RTX_MAX_MAX        0xFFFFFFFF
 293 #define SCTPCTL_INIT_RTX_MAX_DEFAULT    SCTP_DEF_MAX_INIT
 294
 295 /* assoc_rtx_max: Default maximum number of retransmissions per association */
 296 #define SCTPCTL_ASSOC_RTX_MAX_DESC      "Default maximum number of retransmissions per association"
 297 #define SCTPCTL_ASSOC_RTX_MAX_MIN       0
 298 #define SCTPCTL_ASSOC_RTX_MAX_MAX       0xFFFFFFFF
 299 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT   SCTP_DEF_MAX_SEND
 300
 301 /* path_rtx_max: Default maximum of retransmissions per path */
 302 #define SCTPCTL_PATH_RTX_MAX_DESC       "Default maximum of retransmissions per path"
 303 #define SCTPCTL_PATH_RTX_MAX_MIN        0
 304 #define SCTPCTL_PATH_RTX_MAX_MAX        0xFFFFFFFF
 305 #define SCTPCTL_PATH_RTX_MAX_DEFAULT    SCTP_DEF_MAX_PATH_RTX
 306
 307 /* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */
 308 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space wise is it worthwhile to try to add more to a socket send buffer"
 309 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN  0
 310 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX  0xFFFFFFFF
 311 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
 312
 313 /* outgoing_streams: Default number of outgoing streams */
 314 #define SCTPCTL_OUTGOING_STREAMS_DESC   "Default number of outgoing streams"
 315 #define SCTPCTL_OUTGOING_STREAMS_MIN    1
 316 #define SCTPCTL_OUTGOING_STREAMS_MAX    65535
 317 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
 318
 319 /* cmt_on_off: CMT on/off flag */
 320 #define SCTPCTL_CMT_ON_OFF_DESC         "CMT on/off flag"
 321 #define SCTPCTL_CMT_ON_OFF_MIN          0
 322 #define SCTPCTL_CMT_ON_OFF_MAX          1
 323 #define SCTPCTL_CMT_ON_OFF_DEFAULT      0
 324
 325 /* cmt_use_dac: CMT DAC on/off flag */
 326 #define SCTPCTL_CMT_USE_DAC_DESC        "CMT DAC on/off flag"
 327 #define SCTPCTL_CMT_USE_DAC_MIN         0
 328 #define SCTPCTL_CMT_USE_DAC_MAX         1
 329 #define SCTPCTL_CMT_USE_DAC_DEFAULT     0
 330
 331 /* JRS 5/2107 - CMT PF type flag */
 332 #define SCTPCTL_CMT_PF_DESC             "CMT PF type flag"
 333 #define SCTPCTL_CMT_PF_MIN              0
 334 #define SCTPCTL_CMT_PF_MAX              2
 335 #define SCTPCTL_CMT_PF_DEFAULT          0
 336
 337 /* cwnd_maxburst: Use a CWND adjusting maxburst */
 338 #define SCTPCTL_CWND_MAXBURST_DESC      "Use a CWND adjusting maxburst"
 339 #define SCTPCTL_CWND_MAXBURST_MIN       0
 340 #define SCTPCTL_CWND_MAXBURST_MAX       1
 341 #define SCTPCTL_CWND_MAXBURST_DEFAULT   1
 342
 343 /* early_fast_retran: Early Fast Retransmit with timer */
 344 #define SCTPCTL_EARLY_FAST_RETRAN_DESC  "Early Fast Retransmit with timer"
 345 #define SCTPCTL_EARLY_FAST_RETRAN_MIN   0
 346 #define SCTPCTL_EARLY_FAST_RETRAN_MAX   0xFFFFFFFF
 347 #define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT       0
 348
 349 /* early_fast_retran_msec: Early Fast Retransmit minimum timer value */
 350 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC     "Early Fast Retransmit minimum timer value"
 351 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN      0
 352 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX      0xFFFFFFFF
 353 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT  SCTP_MINFR_MSEC_TIMER
 354
 355 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */
 356 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC  "Disable SCTP ASCONF AUTH requirement"
 357 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN   0
 358 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX   1
 359 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT       0
 360
 361 /* auth_disable: Disable SCTP AUTH function */
 362 #define SCTPCTL_AUTH_DISABLE_DESC       "Disable SCTP AUTH function"
 363 #define SCTPCTL_AUTH_DISABLE_MIN        0
 364 #define SCTPCTL_AUTH_DISABLE_MAX        1
 365 #define SCTPCTL_AUTH_DISABLE_DEFAULT    0
 366
 367 /* nat_friendly: SCTP NAT friendly operation */
 368 #define SCTPCTL_NAT_FRIENDLY_DESC       "SCTP NAT friendly operation"
 369 #define SCTPCTL_NAT_FRIENDLY_MIN        0
 370 #define SCTPCTL_NAT_FRIENDLY_MAX        1
 371 #define SCTPCTL_NAT_FRIENDLY_DEFAULT    1
 372
 373 /* abc_l_var: SCTP ABC max increase per SACK (L) */
 374 #define SCTPCTL_ABC_L_VAR_DESC          "SCTP ABC max increase per SACK (L)"
 375 #define SCTPCTL_ABC_L_VAR_MIN           0
 376 #define SCTPCTL_ABC_L_VAR_MAX           0xFFFFFFFF
 377 #define SCTPCTL_ABC_L_VAR_DEFAULT       1
 378
 379 /* max_chained_mbufs: Default max number of small mbufs on a chain */
 380 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC  "Default max number of small mbufs on a chain"
 381 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN   0
 382 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX   0xFFFFFFFF
 383 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT       SCTP_DEFAULT_MBUFS_IN_CHAIN
 384
 385 /* do_sctp_drain: Should SCTP respond to the drain calls */
 386 #define SCTPCTL_DO_SCTP_DRAIN_DESC      "Should SCTP respond to the drain calls"
 387 #define SCTPCTL_DO_SCTP_DRAIN_MIN       0
 388 #define SCTPCTL_DO_SCTP_DRAIN_MAX       1
 389 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT   1
 390
 391 /* hb_max_burst: Confirmation Heartbeat max burst? */
 392 #define SCTPCTL_HB_MAX_BURST_DESC       "Confirmation Heartbeat max burst"
 393 #define SCTPCTL_HB_MAX_BURST_MIN        1
 394 #define SCTPCTL_HB_MAX_BURST_MAX        0xFFFFFFFF
 395 #define SCTPCTL_HB_MAX_BURST_DEFAULT    SCTP_DEF_MAX_BURST
 396
 397 /* abort_at_limit: When one-2-one hits qlimit abort */
 398 #define SCTPCTL_ABORT_AT_LIMIT_DESC     "When one-2-one hits qlimit abort"
 399 #define SCTPCTL_ABORT_AT_LIMIT_MIN      0
 400 #define SCTPCTL_ABORT_AT_LIMIT_MAX      1
 401 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT  0
 402
 403 /* strict_data_order: Enforce strict data ordering, abort if control inside data */
 404 #define SCTPCTL_STRICT_DATA_ORDER_DESC  "Enforce strict data ordering, abort if control inside data"
 405 #define SCTPCTL_STRICT_DATA_ORDER_MIN   0
 406 #define SCTPCTL_STRICT_DATA_ORDER_MAX   1
 407 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT       0
 408
 409 /* min_residual: min residual in a data fragment leftover */
 410 #define SCTPCTL_MIN_RESIDUAL_DESC       "Minimum residual data chunk in second part of split"
 411 #define SCTPCTL_MIN_RESIDUAL_MIN        20
 412 #define SCTPCTL_MIN_RESIDUAL_MAX        65535
 413 #define SCTPCTL_MIN_RESIDUAL_DEFAULT    1452
 414
 415 /* max_retran_chunk: max chunk retransmissions */
 416 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC   "Maximum times an unlucky chunk can be retran'd before assoc abort"
 417 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN    0
 418 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX    65535
 419 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT        30
 420
 421 /* sctp_logging: This gives us logging when the options are enabled */
 422 #define SCTPCTL_LOGGING_LEVEL_DESC      "Ltrace/KTR trace logging level"
 423 #define SCTPCTL_LOGGING_LEVEL_MIN       0
 424 #define SCTPCTL_LOGGING_LEVEL_MAX       0xffffffff
 425 #define SCTPCTL_LOGGING_LEVEL_DEFAULT   0
 426
 427 /* JRS - default congestion control module sysctl */
 428 #define SCTPCTL_DEFAULT_CC_MODULE_DESC          "Default congestion control module"
 429 #define SCTPCTL_DEFAULT_CC_MODULE_MIN           0
 430 #define SCTPCTL_DEFAULT_CC_MODULE_MAX           2
 431 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT       0
 432
 433 /* RRS - default fragment interleave */
 434 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC    "Default fragment interleave level"
 435 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN     0
 436 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX     2
 437 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1
 438
 439 /* mobility_base: Enable SCTP mobility support */
 440 #define SCTPCTL_MOBILITY_BASE_DESC      "Enable SCTP base mobility"
 441 #define SCTPCTL_MOBILITY_BASE_MIN       0
 442 #define SCTPCTL_MOBILITY_BASE_MAX       1
 443 #define SCTPCTL_MOBILITY_BASE_DEFAULT   SCTP_DEFAULT_MOBILITY_BASE
 444
 445 /* mobility_fasthandoff: Enable SCTP fast handoff support */
 446 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC       "Enable SCTP fast handoff"
 447 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN        0
 448 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX        1
 449 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT    SCTP_DEFAULT_MOBILITY_FASTHANDOFF
 450
 451 /* Enable SCTP/UDP tunneling for clients*/
 452 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC    "Enable SCTP/UDP tunneling for client"
 453 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN     0
 454 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX     1
 455 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN
 456
 457 /* Enable SCTP/UDP tunneling port */
 458 #define SCTPCTL_UDP_TUNNELING_PORT_DESC         "Set the SCTP/UDP tunneling port"
 459 #define SCTPCTL_UDP_TUNNELING_PORT_MIN          0
 460 #define SCTPCTL_UDP_TUNNELING_PORT_MAX          65535
 461 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT      SCTP_OVER_UDP_TUNNELING_PORT
 462
 463 /* Enable sending of the SACK-IMMEDIATELY bit */
 464 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC    "Enable sending of the SACK-IMMEDIATELY-bit."
 465 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN     0
 466 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX     1
 467 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN
 468
 469 #if defined(SCTP_DEBUG)
 470 /* debug: Configure debug output */
 471 #define SCTPCTL_DEBUG_DESC      "Configure debug output"
 472 #define SCTPCTL_DEBUG_MIN       0
 473 #define SCTPCTL_DEBUG_MAX       0xFFFFFFFF
 474 #define SCTPCTL_DEBUG_DEFAULT   0
 475 #endif
 476
 477
 478 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
 479 #define SCTPCTL_OUTPUT_UNLOCKED_DESC    "Unlock socket when sending packets down to IP."
 480 #define SCTPCTL_OUTPUT_UNLOCKED_MIN     0
 481 #define SCTPCTL_OUTPUT_UNLOCKED_MAX     1
 482 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN
 483 #endif
 484
 485
 486 #if defined(_KERNEL) || defined(__Userspace__)
 487 #if defined(SYSCTL_DECL)
 488 SYSCTL_DECL(_net_inet_sctp);
 489 #endif
 490
 491 void sctp_init_sysctls(void);
 492
 493 #endif                          /* _KERNEL */
 494 #endif                          /* __sctp_sysctl_h__ */