The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/netinet/sctp_sysctl.h

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    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: releng/8.1/sys/netinet/sctp_sysctl.h 199583 2009-11-20 15:27:52Z jhb $");
   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         /* EY 5/5/08 - nr_sack flag variable */
   78         uint32_t sctp_nr_sack_on_off;
   79         uint32_t sctp_cmt_pf;
   80         uint32_t sctp_use_cwnd_based_maxburst;
   81         uint32_t sctp_early_fr;
   82         uint32_t sctp_early_fr_msec;
   83         uint32_t sctp_asconf_auth_nochk;
   84         uint32_t sctp_auth_disable;
   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_strict_data_order;
   92         uint32_t sctp_min_residual;
   93         uint32_t sctp_max_retran_chunk;
   94         uint32_t sctp_logging_level;
   95         /* JRS - Variable for default congestion control module */
   96         uint32_t sctp_default_cc_module;
   97         uint32_t sctp_default_frag_interleave;
   98         uint32_t sctp_mobility_base;
   99         uint32_t sctp_mobility_fasthandoff;
  100         uint32_t sctp_inits_include_nat_friendly;
  101 #if defined(SCTP_LOCAL_TRACE_BUF)
  102         struct sctp_log sctp_log;
  103 #endif
  104         uint32_t sctp_udp_tunneling_for_client_enable;
  105         uint32_t sctp_udp_tunneling_port;
  106         uint32_t sctp_enable_sack_immediately;
  107         uint32_t sctp_vtag_time_wait;
  108 #if defined(SCTP_DEBUG)
  109         uint32_t sctp_debug_on;
  110 #endif
  111 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
  112         uint32_t sctp_output_unlocked;
  113 #endif
  114 };
  115 
  116 /*
  117  * limits for the sysctl variables
  118  */
  119 /* maxdgram: Maximum outgoing SCTP buffer size */
  120 #define SCTPCTL_MAXDGRAM_DESC           "Maximum outgoing SCTP buffer size"
  121 #define SCTPCTL_MAXDGRAM_MIN            0
  122 #define SCTPCTL_MAXDGRAM_MAX            0xFFFFFFFF
  123 #define SCTPCTL_MAXDGRAM_DEFAULT        262144  /* 256k */
  124 
  125 /* recvspace: Maximum incoming SCTP buffer size */
  126 #define SCTPCTL_RECVSPACE_DESC          "Maximum incoming SCTP buffer size"
  127 #define SCTPCTL_RECVSPACE_MIN           0
  128 #define SCTPCTL_RECVSPACE_MAX           0xFFFFFFFF
  129 #define SCTPCTL_RECVSPACE_DEFAULT       262144  /* 256k */
  130 
  131 /* autoasconf: Enable SCTP Auto-ASCONF */
  132 #define SCTPCTL_AUTOASCONF_DESC         "Enable SCTP Auto-ASCONF"
  133 #define SCTPCTL_AUTOASCONF_MIN          0
  134 #define SCTPCTL_AUTOASCONF_MAX          1
  135 #define SCTPCTL_AUTOASCONF_DEFAULT      SCTP_DEFAULT_AUTO_ASCONF
  136 
  137 /* autoasconf: Enable SCTP Auto-ASCONF */
  138 #define SCTPCTL_MULTIPLEASCONFS_DESC    "Enable SCTP Muliple-ASCONFs"
  139 #define SCTPCTL_MULTIPLEASCONFS_MIN     0
  140 #define SCTPCTL_MULTIPLEASCONFS_MAX     1
  141 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS
  142 
  143 /* ecn_enable: Enable SCTP ECN */
  144 #define SCTPCTL_ECN_ENABLE_DESC         "Enable SCTP ECN"
  145 #define SCTPCTL_ECN_ENABLE_MIN          0
  146 #define SCTPCTL_ECN_ENABLE_MAX          1
  147 #define SCTPCTL_ECN_ENABLE_DEFAULT      1
  148 
  149 /* ecn_nonce: Enable SCTP ECN Nonce */
  150 #define SCTPCTL_ECN_NONCE_DESC          "Enable SCTP ECN Nonce"
  151 #define SCTPCTL_ECN_NONCE_MIN           0
  152 #define SCTPCTL_ECN_NONCE_MAX           1
  153 #define SCTPCTL_ECN_NONCE_DEFAULT       0
  154 
  155 /* strict_sacks: Enable SCTP Strict SACK checking */
  156 #define SCTPCTL_STRICT_SACKS_DESC       "Enable SCTP Strict SACK checking"
  157 #define SCTPCTL_STRICT_SACKS_MIN        0
  158 #define SCTPCTL_STRICT_SACKS_MAX        1
  159 #define SCTPCTL_STRICT_SACKS_DEFAULT    1
  160 
  161 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */
  162 #define SCTPCTL_LOOPBACK_NOCSUM_DESC    "Enable NO Csum on packets sent on loopback"
  163 #define SCTPCTL_LOOPBACK_NOCSUM_MIN     0
  164 #define SCTPCTL_LOOPBACK_NOCSUM_MAX     1
  165 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1
  166 
  167 /* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */
  168 #define SCTPCTL_STRICT_INIT_DESC        "Enable strict INIT/INIT-ACK singleton enforcement"
  169 #define SCTPCTL_STRICT_INIT_MIN         0
  170 #define SCTPCTL_STRICT_INIT_MAX         1
  171 #define SCTPCTL_STRICT_INIT_DEFAULT     1
  172 
  173 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */
  174 #define SCTPCTL_PEER_CHKOH_DESC         "Amount to debit peers rwnd per chunk sent"
  175 #define SCTPCTL_PEER_CHKOH_MIN          0
  176 #define SCTPCTL_PEER_CHKOH_MAX          0xFFFFFFFF
  177 #define SCTPCTL_PEER_CHKOH_DEFAULT      256
  178 
  179 /* maxburst: Default max burst for sctp endpoints */
  180 #define SCTPCTL_MAXBURST_DESC           "Default max burst for sctp endpoints"
  181 #define SCTPCTL_MAXBURST_MIN            1
  182 #define SCTPCTL_MAXBURST_MAX            0xFFFFFFFF
  183 #define SCTPCTL_MAXBURST_DEFAULT        SCTP_DEF_MAX_BURST
  184 
  185 /* maxchunks: Default max chunks on queue per asoc */
  186 #define SCTPCTL_MAXCHUNKS_DESC          "Default max chunks on queue per asoc"
  187 #define SCTPCTL_MAXCHUNKS_MIN           0
  188 #define SCTPCTL_MAXCHUNKS_MAX           0xFFFFFFFF
  189 #define SCTPCTL_MAXCHUNKS_DEFAULT       SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
  190 
  191 /* tcbhashsize: Tuneable for Hash table sizes */
  192 #define SCTPCTL_TCBHASHSIZE_DESC        "Tunable for TCB hash table sizes"
  193 #define SCTPCTL_TCBHASHSIZE_MIN         1
  194 #define SCTPCTL_TCBHASHSIZE_MAX         0xFFFFFFFF
  195 #define SCTPCTL_TCBHASHSIZE_DEFAULT     SCTP_TCBHASHSIZE
  196 
  197 /* pcbhashsize: Tuneable for PCB Hash table sizes */
  198 #define SCTPCTL_PCBHASHSIZE_DESC        "Tunable for PCB hash table sizes"
  199 #define SCTPCTL_PCBHASHSIZE_MIN         1
  200 #define SCTPCTL_PCBHASHSIZE_MAX         0xFFFFFFFF
  201 #define SCTPCTL_PCBHASHSIZE_DEFAULT     SCTP_PCBHASHSIZE
  202 
  203 /* min_split_point: Minimum size when splitting a chunk */
  204 #define SCTPCTL_MIN_SPLIT_POINT_DESC    "Minimum size when splitting a chunk"
  205 #define SCTPCTL_MIN_SPLIT_POINT_MIN     0
  206 #define SCTPCTL_MIN_SPLIT_POINT_MAX     0xFFFFFFFF
  207 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN
  208 
  209 /* chunkscale: Tuneable for Scaling of number of chunks and messages */
  210 #define SCTPCTL_CHUNKSCALE_DESC         "Tuneable for Scaling of number of chunks and messages"
  211 #define SCTPCTL_CHUNKSCALE_MIN          1
  212 #define SCTPCTL_CHUNKSCALE_MAX          0xFFFFFFFF
  213 #define SCTPCTL_CHUNKSCALE_DEFAULT      SCTP_CHUNKQUEUE_SCALE
  214 
  215 /* delayed_sack_time: Default delayed SACK timer in msec */
  216 #define SCTPCTL_DELAYED_SACK_TIME_DESC  "Default delayed SACK timer in msec"
  217 #define SCTPCTL_DELAYED_SACK_TIME_MIN   0
  218 #define SCTPCTL_DELAYED_SACK_TIME_MAX   0xFFFFFFFF
  219 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT       SCTP_RECV_MSEC
  220 
  221 /* sack_freq: Default SACK frequency */
  222 #define SCTPCTL_SACK_FREQ_DESC          "Default SACK frequency"
  223 #define SCTPCTL_SACK_FREQ_MIN           0
  224 #define SCTPCTL_SACK_FREQ_MAX           0xFFFFFFFF
  225 #define SCTPCTL_SACK_FREQ_DEFAULT       SCTP_DEFAULT_SACK_FREQ
  226 
  227 /* sys_resource: Max number of cached resources in the system */
  228 #define SCTPCTL_SYS_RESOURCE_DESC       "Max number of cached resources in the system"
  229 #define SCTPCTL_SYS_RESOURCE_MIN        0
  230 #define SCTPCTL_SYS_RESOURCE_MAX        0xFFFFFFFF
  231 #define SCTPCTL_SYS_RESOURCE_DEFAULT    SCTP_DEF_SYSTEM_RESC_LIMIT
  232 
  233 /* asoc_resource: Max number of cached resources in an asoc */
  234 #define SCTPCTL_ASOC_RESOURCE_DESC      "Max number of cached resources in an asoc"
  235 #define SCTPCTL_ASOC_RESOURCE_MIN       0
  236 #define SCTPCTL_ASOC_RESOURCE_MAX       0xFFFFFFFF
  237 #define SCTPCTL_ASOC_RESOURCE_DEFAULT   SCTP_DEF_ASOC_RESC_LIMIT
  238 
  239 /* heartbeat_interval: Default heartbeat interval in msec */
  240 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in msec"
  241 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN  0
  242 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX  0xFFFFFFFF
  243 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT      SCTP_HB_DEFAULT_MSEC
  244 
  245 /* pmtu_raise_time: Default PMTU raise timer in sec */
  246 #define SCTPCTL_PMTU_RAISE_TIME_DESC    "Default PMTU raise timer in sec"
  247 #define SCTPCTL_PMTU_RAISE_TIME_MIN     0
  248 #define SCTPCTL_PMTU_RAISE_TIME_MAX     0xFFFFFFFF
  249 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC
  250 
  251 /* shutdown_guard_time: Default shutdown guard timer in sec */
  252 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC        "Default shutdown guard timer in sec"
  253 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN         0
  254 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX         0xFFFFFFFF
  255 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT     SCTP_DEF_MAX_SHUTDOWN_SEC
  256 
  257 /* secret_lifetime: Default secret lifetime in sec */
  258 #define SCTPCTL_SECRET_LIFETIME_DESC    "Default secret lifetime in sec"
  259 #define SCTPCTL_SECRET_LIFETIME_MIN     0
  260 #define SCTPCTL_SECRET_LIFETIME_MAX     0xFFFFFFFF
  261 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC
  262 
  263 /* rto_max: Default maximum retransmission timeout in msec */
  264 #define SCTPCTL_RTO_MAX_DESC            "Default maximum retransmission timeout in msec"
  265 #define SCTPCTL_RTO_MAX_MIN             0
  266 #define SCTPCTL_RTO_MAX_MAX             0xFFFFFFFF
  267 #define SCTPCTL_RTO_MAX_DEFAULT         SCTP_RTO_UPPER_BOUND
  268 
  269 /* rto_min: Default minimum retransmission timeout in msec */
  270 #define SCTPCTL_RTO_MIN_DESC            "Default minimum retransmission timeout in msec"
  271 #define SCTPCTL_RTO_MIN_MIN             0
  272 #define SCTPCTL_RTO_MIN_MAX             0xFFFFFFFF
  273 #define SCTPCTL_RTO_MIN_DEFAULT         SCTP_RTO_LOWER_BOUND
  274 
  275 /* rto_initial: Default initial retransmission timeout in msec */
  276 #define SCTPCTL_RTO_INITIAL_DESC        "Default initial retransmission timeout in msec"
  277 #define SCTPCTL_RTO_INITIAL_MIN         0
  278 #define SCTPCTL_RTO_INITIAL_MAX         0xFFFFFFFF
  279 #define SCTPCTL_RTO_INITIAL_DEFAULT     SCTP_RTO_INITIAL
  280 
  281 /* init_rto_max: Default maximum retransmission timeout during association setup in msec */
  282 #define SCTPCTL_INIT_RTO_MAX_DESC       "Default maximum retransmission timeout during association setup in msec"
  283 #define SCTPCTL_INIT_RTO_MAX_MIN        0
  284 #define SCTPCTL_INIT_RTO_MAX_MAX        0xFFFFFFFF
  285 #define SCTPCTL_INIT_RTO_MAX_DEFAULT    SCTP_RTO_UPPER_BOUND
  286 
  287 /* valid_cookie_life: Default cookie lifetime in sec */
  288 #define SCTPCTL_VALID_COOKIE_LIFE_DESC  "Default cookie lifetime in sec"
  289 #define SCTPCTL_VALID_COOKIE_LIFE_MIN   0
  290 #define SCTPCTL_VALID_COOKIE_LIFE_MAX   0xFFFFFFFF
  291 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT       SCTP_DEFAULT_COOKIE_LIFE
  292 
  293 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */
  294 #define SCTPCTL_INIT_RTX_MAX_DESC       "Default maximum number of retransmission for INIT chunks"
  295 #define SCTPCTL_INIT_RTX_MAX_MIN        0
  296 #define SCTPCTL_INIT_RTX_MAX_MAX        0xFFFFFFFF
  297 #define SCTPCTL_INIT_RTX_MAX_DEFAULT    SCTP_DEF_MAX_INIT
  298 
  299 /* assoc_rtx_max: Default maximum number of retransmissions per association */
  300 #define SCTPCTL_ASSOC_RTX_MAX_DESC      "Default maximum number of retransmissions per association"
  301 #define SCTPCTL_ASSOC_RTX_MAX_MIN       0
  302 #define SCTPCTL_ASSOC_RTX_MAX_MAX       0xFFFFFFFF
  303 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT   SCTP_DEF_MAX_SEND
  304 
  305 /* path_rtx_max: Default maximum of retransmissions per path */
  306 #define SCTPCTL_PATH_RTX_MAX_DESC       "Default maximum of retransmissions per path"
  307 #define SCTPCTL_PATH_RTX_MAX_MIN        0
  308 #define SCTPCTL_PATH_RTX_MAX_MAX        0xFFFFFFFF
  309 #define SCTPCTL_PATH_RTX_MAX_DEFAULT    SCTP_DEF_MAX_PATH_RTX
  310 
  311 /* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */
  312 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space wise is it worthwhile to try to add more to a socket send buffer"
  313 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN  0
  314 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX  0xFFFFFFFF
  315 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
  316 
  317 /* outgoing_streams: Default number of outgoing streams */
  318 #define SCTPCTL_OUTGOING_STREAMS_DESC   "Default number of outgoing streams"
  319 #define SCTPCTL_OUTGOING_STREAMS_MIN    1
  320 #define SCTPCTL_OUTGOING_STREAMS_MAX    65535
  321 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
  322 
  323 /* cmt_on_off: CMT on/off flag */
  324 #define SCTPCTL_CMT_ON_OFF_DESC         "CMT on/off flag"
  325 #define SCTPCTL_CMT_ON_OFF_MIN          0
  326 #define SCTPCTL_CMT_ON_OFF_MAX          1
  327 #define SCTPCTL_CMT_ON_OFF_DEFAULT      0
  328 
  329 /* EY - nr_sack_on_off: NR_SACK on/off flag */
  330 #define SCTPCTL_NR_SACK_ON_OFF_DESC     "NR_SACK on/off flag"
  331 #define SCTPCTL_NR_SACK_ON_OFF_MIN      0
  332 #define SCTPCTL_NR_SACK_ON_OFF_MAX      1
  333 #define SCTPCTL_NR_SACK_ON_OFF_DEFAULT  0
  334 
  335 /* cmt_use_dac: CMT DAC on/off flag */
  336 #define SCTPCTL_CMT_USE_DAC_DESC        "CMT DAC on/off flag"
  337 #define SCTPCTL_CMT_USE_DAC_MIN         0
  338 #define SCTPCTL_CMT_USE_DAC_MAX         1
  339 #define SCTPCTL_CMT_USE_DAC_DEFAULT     0
  340 
  341 /* JRS 5/2107 - CMT PF type flag */
  342 #define SCTPCTL_CMT_PF_DESC             "CMT PF type flag"
  343 #define SCTPCTL_CMT_PF_MIN              0
  344 #define SCTPCTL_CMT_PF_MAX              2
  345 #define SCTPCTL_CMT_PF_DEFAULT          0
  346 
  347 /* cwnd_maxburst: Use a CWND adjusting maxburst */
  348 #define SCTPCTL_CWND_MAXBURST_DESC      "Use a CWND adjusting maxburst"
  349 #define SCTPCTL_CWND_MAXBURST_MIN       0
  350 #define SCTPCTL_CWND_MAXBURST_MAX       1
  351 #define SCTPCTL_CWND_MAXBURST_DEFAULT   1
  352 
  353 /* early_fast_retran: Early Fast Retransmit with timer */
  354 #define SCTPCTL_EARLY_FAST_RETRAN_DESC  "Early Fast Retransmit with timer"
  355 #define SCTPCTL_EARLY_FAST_RETRAN_MIN   0
  356 #define SCTPCTL_EARLY_FAST_RETRAN_MAX   0xFFFFFFFF
  357 #define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT       0
  358 
  359 /* early_fast_retran_msec: Early Fast Retransmit minimum timer value */
  360 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC     "Early Fast Retransmit minimum timer value"
  361 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN      0
  362 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX      0xFFFFFFFF
  363 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT  SCTP_MINFR_MSEC_TIMER
  364 
  365 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */
  366 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC  "Disable SCTP ASCONF AUTH requirement"
  367 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN   0
  368 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX   1
  369 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT       0
  370 
  371 /* auth_disable: Disable SCTP AUTH function */
  372 #define SCTPCTL_AUTH_DISABLE_DESC       "Disable SCTP AUTH function"
  373 #define SCTPCTL_AUTH_DISABLE_MIN        0
  374 #define SCTPCTL_AUTH_DISABLE_MAX        1
  375 #define SCTPCTL_AUTH_DISABLE_DEFAULT    0
  376 
  377 /* nat_friendly: SCTP NAT friendly operation */
  378 #define SCTPCTL_NAT_FRIENDLY_DESC       "SCTP NAT friendly operation"
  379 #define SCTPCTL_NAT_FRIENDLY_MIN        0
  380 #define SCTPCTL_NAT_FRIENDLY_MAX        1
  381 #define SCTPCTL_NAT_FRIENDLY_DEFAULT    1
  382 
  383 /* abc_l_var: SCTP ABC max increase per SACK (L) */
  384 #define SCTPCTL_ABC_L_VAR_DESC          "SCTP ABC max increase per SACK (L)"
  385 #define SCTPCTL_ABC_L_VAR_MIN           0
  386 #define SCTPCTL_ABC_L_VAR_MAX           0xFFFFFFFF
  387 #define SCTPCTL_ABC_L_VAR_DEFAULT       1
  388 
  389 /* max_chained_mbufs: Default max number of small mbufs on a chain */
  390 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC  "Default max number of small mbufs on a chain"
  391 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN   0
  392 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX   0xFFFFFFFF
  393 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT       SCTP_DEFAULT_MBUFS_IN_CHAIN
  394 
  395 /* do_sctp_drain: Should SCTP respond to the drain calls */
  396 #define SCTPCTL_DO_SCTP_DRAIN_DESC      "Should SCTP respond to the drain calls"
  397 #define SCTPCTL_DO_SCTP_DRAIN_MIN       0
  398 #define SCTPCTL_DO_SCTP_DRAIN_MAX       1
  399 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT   1
  400 
  401 /* hb_max_burst: Confirmation Heartbeat max burst? */
  402 #define SCTPCTL_HB_MAX_BURST_DESC       "Confirmation Heartbeat max burst"
  403 #define SCTPCTL_HB_MAX_BURST_MIN        1
  404 #define SCTPCTL_HB_MAX_BURST_MAX        0xFFFFFFFF
  405 #define SCTPCTL_HB_MAX_BURST_DEFAULT    SCTP_DEF_MAX_BURST
  406 
  407 /* abort_at_limit: When one-2-one hits qlimit abort */
  408 #define SCTPCTL_ABORT_AT_LIMIT_DESC     "When one-2-one hits qlimit abort"
  409 #define SCTPCTL_ABORT_AT_LIMIT_MIN      0
  410 #define SCTPCTL_ABORT_AT_LIMIT_MAX      1
  411 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT  0
  412 
  413 /* strict_data_order: Enforce strict data ordering, abort if control inside data */
  414 #define SCTPCTL_STRICT_DATA_ORDER_DESC  "Enforce strict data ordering, abort if control inside data"
  415 #define SCTPCTL_STRICT_DATA_ORDER_MIN   0
  416 #define SCTPCTL_STRICT_DATA_ORDER_MAX   1
  417 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT       0
  418 
  419 /* min_residual: min residual in a data fragment leftover */
  420 #define SCTPCTL_MIN_RESIDUAL_DESC       "Minimum residual data chunk in second part of split"
  421 #define SCTPCTL_MIN_RESIDUAL_MIN        20
  422 #define SCTPCTL_MIN_RESIDUAL_MAX        65535
  423 #define SCTPCTL_MIN_RESIDUAL_DEFAULT    1452
  424 
  425 /* max_retran_chunk: max chunk retransmissions */
  426 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC   "Maximum times an unlucky chunk can be retran'd before assoc abort"
  427 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN    0
  428 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX    65535
  429 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT        30
  430 
  431 /* sctp_logging: This gives us logging when the options are enabled */
  432 #define SCTPCTL_LOGGING_LEVEL_DESC      "Ltrace/KTR trace logging level"
  433 #define SCTPCTL_LOGGING_LEVEL_MIN       0
  434 #define SCTPCTL_LOGGING_LEVEL_MAX       0xffffffff
  435 #define SCTPCTL_LOGGING_LEVEL_DEFAULT   0
  436 
  437 /* JRS - default congestion control module sysctl */
  438 #define SCTPCTL_DEFAULT_CC_MODULE_DESC          "Default congestion control module"
  439 #define SCTPCTL_DEFAULT_CC_MODULE_MIN           0
  440 #define SCTPCTL_DEFAULT_CC_MODULE_MAX           2
  441 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT       0
  442 
  443 /* RRS - default fragment interleave */
  444 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC    "Default fragment interleave level"
  445 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN     0
  446 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX     2
  447 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1
  448 
  449 /* mobility_base: Enable SCTP mobility support */
  450 #define SCTPCTL_MOBILITY_BASE_DESC      "Enable SCTP base mobility"
  451 #define SCTPCTL_MOBILITY_BASE_MIN       0
  452 #define SCTPCTL_MOBILITY_BASE_MAX       1
  453 #define SCTPCTL_MOBILITY_BASE_DEFAULT   SCTP_DEFAULT_MOBILITY_BASE
  454 
  455 /* mobility_fasthandoff: Enable SCTP fast handoff support */
  456 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC       "Enable SCTP fast handoff"
  457 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN        0
  458 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX        1
  459 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT    SCTP_DEFAULT_MOBILITY_FASTHANDOFF
  460 
  461 /* Enable SCTP/UDP tunneling for clients*/
  462 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC    "Enable SCTP/UDP tunneling for client"
  463 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN     0
  464 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX     1
  465 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN
  466 
  467 /* Enable SCTP/UDP tunneling port */
  468 #define SCTPCTL_UDP_TUNNELING_PORT_DESC         "Set the SCTP/UDP tunneling port"
  469 #define SCTPCTL_UDP_TUNNELING_PORT_MIN          0
  470 #define SCTPCTL_UDP_TUNNELING_PORT_MAX          65535
  471 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT      SCTP_OVER_UDP_TUNNELING_PORT
  472 
  473 /* Enable sending of the SACK-IMMEDIATELY bit */
  474 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC    "Enable sending of the SACK-IMMEDIATELY-bit."
  475 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN     0
  476 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX     1
  477 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN
  478 
  479 /* Enable sending of the SACK-IMMEDIATELY bit */
  480 #define SCTPCTL_NAT_FRIENDLY_INITS_DESC "Enable sending of the nat-friendly SCTP option on INITs."
  481 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN  0
  482 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX  1
  483 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT      SCTPCTL_NAT_FRIENDLY_INITS_MIN
  484 
  485 
  486 /* Vtag tiem wait bits */
  487 #define SCTPCTL_TIME_WAIT_DESC  "Vtag time wait time 0 disables."
  488 #define SCTPCTL_TIME_WAIT_MIN   0
  489 #define SCTPCTL_TIME_WAIT_MAX   0xffffffff
  490 #define SCTPCTL_TIME_WAIT_DEFAULT       SCTP_TIME_WAIT
  491 
  492 
  493 #if defined(SCTP_DEBUG)
  494 /* debug: Configure debug output */
  495 #define SCTPCTL_DEBUG_DESC      "Configure debug output"
  496 #define SCTPCTL_DEBUG_MIN       0
  497 #define SCTPCTL_DEBUG_MAX       0xFFFFFFFF
  498 #define SCTPCTL_DEBUG_DEFAULT   0
  499 #endif
  500 
  501 
  502 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
  503 #define SCTPCTL_OUTPUT_UNLOCKED_DESC    "Unlock socket when sending packets down to IP."
  504 #define SCTPCTL_OUTPUT_UNLOCKED_MIN     0
  505 #define SCTPCTL_OUTPUT_UNLOCKED_MAX     1
  506 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN
  507 #endif
  508 
  509 
  510 #if defined(_KERNEL) || defined(__Userspace__)
  511 #if defined(SYSCTL_DECL)
  512 SYSCTL_DECL(_net_inet_sctp);
  513 #endif
  514 
  515 void sctp_init_sysctls(void);
  516 
  517 #endif                          /* _KERNEL */
  518 #endif                          /* __sctp_sysctl_h__ */

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