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/7.4/sys/netinet/sctp_sysctl.h 188532 2009-02-12 18:50:27Z rrs $");
   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 #if defined(SCTP_DEBUG)
  108         uint32_t sctp_debug_on;
  109 #endif
  110 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
  111         uint32_t sctp_output_unlocked;
  112 #endif
  113 };
  114 
  115 /*
  116  * limits for the sysctl variables
  117  */
  118 /* maxdgram: Maximum outgoing SCTP buffer size */
  119 #define SCTPCTL_MAXDGRAM_DESC           "Maximum outgoing SCTP buffer size"
  120 #define SCTPCTL_MAXDGRAM_MIN            0
  121 #define SCTPCTL_MAXDGRAM_MAX            0xFFFFFFFF
  122 #define SCTPCTL_MAXDGRAM_DEFAULT        262144  /* 256k */
  123 
  124 /* recvspace: Maximum incoming SCTP buffer size */
  125 #define SCTPCTL_RECVSPACE_DESC          "Maximum incoming SCTP buffer size"
  126 #define SCTPCTL_RECVSPACE_MIN           0
  127 #define SCTPCTL_RECVSPACE_MAX           0xFFFFFFFF
  128 #define SCTPCTL_RECVSPACE_DEFAULT       262144  /* 256k */
  129 
  130 /* autoasconf: Enable SCTP Auto-ASCONF */
  131 #define SCTPCTL_AUTOASCONF_DESC         "Enable SCTP Auto-ASCONF"
  132 #define SCTPCTL_AUTOASCONF_MIN          0
  133 #define SCTPCTL_AUTOASCONF_MAX          1
  134 #define SCTPCTL_AUTOASCONF_DEFAULT      SCTP_DEFAULT_AUTO_ASCONF
  135 
  136 /* autoasconf: Enable SCTP Auto-ASCONF */
  137 #define SCTPCTL_MULTIPLEASCONFS_DESC    "Enable SCTP Muliple-ASCONFs"
  138 #define SCTPCTL_MULTIPLEASCONFS_MIN     0
  139 #define SCTPCTL_MULTIPLEASCONFS_MAX     1
  140 #define SCTPCTL_MULTIPLEASCONFS_DEFAULT SCTP_DEFAULT_MULTIPLE_ASCONFS
  141 
  142 /* ecn_enable: Enable SCTP ECN */
  143 #define SCTPCTL_ECN_ENABLE_DESC         "Enable SCTP ECN"
  144 #define SCTPCTL_ECN_ENABLE_MIN          0
  145 #define SCTPCTL_ECN_ENABLE_MAX          1
  146 #define SCTPCTL_ECN_ENABLE_DEFAULT      1
  147 
  148 /* ecn_nonce: Enable SCTP ECN Nonce */
  149 #define SCTPCTL_ECN_NONCE_DESC          "Enable SCTP ECN Nonce"
  150 #define SCTPCTL_ECN_NONCE_MIN           0
  151 #define SCTPCTL_ECN_NONCE_MAX           1
  152 #define SCTPCTL_ECN_NONCE_DEFAULT       0
  153 
  154 /* strict_sacks: Enable SCTP Strict SACK checking */
  155 #define SCTPCTL_STRICT_SACKS_DESC       "Enable SCTP Strict SACK checking"
  156 #define SCTPCTL_STRICT_SACKS_MIN        0
  157 #define SCTPCTL_STRICT_SACKS_MAX        1
  158 #define SCTPCTL_STRICT_SACKS_DEFAULT    1
  159 
  160 /* loopback_nocsum: Enable NO Csum on packets sent on loopback */
  161 #define SCTPCTL_LOOPBACK_NOCSUM_DESC    "Enable NO Csum on packets sent on loopback"
  162 #define SCTPCTL_LOOPBACK_NOCSUM_MIN     0
  163 #define SCTPCTL_LOOPBACK_NOCSUM_MAX     1
  164 #define SCTPCTL_LOOPBACK_NOCSUM_DEFAULT 1
  165 
  166 /* strict_init: Enable strict INIT/INIT-ACK singleton enforcement */
  167 #define SCTPCTL_STRICT_INIT_DESC        "Enable strict INIT/INIT-ACK singleton enforcement"
  168 #define SCTPCTL_STRICT_INIT_MIN         0
  169 #define SCTPCTL_STRICT_INIT_MAX         1
  170 #define SCTPCTL_STRICT_INIT_DEFAULT     1
  171 
  172 /* peer_chkoh: Amount to debit peers rwnd per chunk sent */
  173 #define SCTPCTL_PEER_CHKOH_DESC         "Amount to debit peers rwnd per chunk sent"
  174 #define SCTPCTL_PEER_CHKOH_MIN          0
  175 #define SCTPCTL_PEER_CHKOH_MAX          0xFFFFFFFF
  176 #define SCTPCTL_PEER_CHKOH_DEFAULT      256
  177 
  178 /* maxburst: Default max burst for sctp endpoints */
  179 #define SCTPCTL_MAXBURST_DESC           "Default max burst for sctp endpoints"
  180 #define SCTPCTL_MAXBURST_MIN            1
  181 #define SCTPCTL_MAXBURST_MAX            0xFFFFFFFF
  182 #define SCTPCTL_MAXBURST_DEFAULT        SCTP_DEF_MAX_BURST
  183 
  184 /* maxchunks: Default max chunks on queue per asoc */
  185 #define SCTPCTL_MAXCHUNKS_DESC          "Default max chunks on queue per asoc"
  186 #define SCTPCTL_MAXCHUNKS_MIN           0
  187 #define SCTPCTL_MAXCHUNKS_MAX           0xFFFFFFFF
  188 #define SCTPCTL_MAXCHUNKS_DEFAULT       SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
  189 
  190 /* tcbhashsize: Tuneable for Hash table sizes */
  191 #define SCTPCTL_TCBHASHSIZE_DESC        "Tunable for TCB hash table sizes"
  192 #define SCTPCTL_TCBHASHSIZE_MIN         1
  193 #define SCTPCTL_TCBHASHSIZE_MAX         0xFFFFFFFF
  194 #define SCTPCTL_TCBHASHSIZE_DEFAULT     SCTP_TCBHASHSIZE
  195 
  196 /* pcbhashsize: Tuneable for PCB Hash table sizes */
  197 #define SCTPCTL_PCBHASHSIZE_DESC        "Tunable for PCB hash table sizes"
  198 #define SCTPCTL_PCBHASHSIZE_MIN         1
  199 #define SCTPCTL_PCBHASHSIZE_MAX         0xFFFFFFFF
  200 #define SCTPCTL_PCBHASHSIZE_DEFAULT     SCTP_PCBHASHSIZE
  201 
  202 /* min_split_point: Minimum size when splitting a chunk */
  203 #define SCTPCTL_MIN_SPLIT_POINT_DESC    "Minimum size when splitting a chunk"
  204 #define SCTPCTL_MIN_SPLIT_POINT_MIN     0
  205 #define SCTPCTL_MIN_SPLIT_POINT_MAX     0xFFFFFFFF
  206 #define SCTPCTL_MIN_SPLIT_POINT_DEFAULT SCTP_DEFAULT_SPLIT_POINT_MIN
  207 
  208 /* chunkscale: Tuneable for Scaling of number of chunks and messages */
  209 #define SCTPCTL_CHUNKSCALE_DESC         "Tuneable for Scaling of number of chunks and messages"
  210 #define SCTPCTL_CHUNKSCALE_MIN          1
  211 #define SCTPCTL_CHUNKSCALE_MAX          0xFFFFFFFF
  212 #define SCTPCTL_CHUNKSCALE_DEFAULT      SCTP_CHUNKQUEUE_SCALE
  213 
  214 /* delayed_sack_time: Default delayed SACK timer in msec */
  215 #define SCTPCTL_DELAYED_SACK_TIME_DESC  "Default delayed SACK timer in msec"
  216 #define SCTPCTL_DELAYED_SACK_TIME_MIN   0
  217 #define SCTPCTL_DELAYED_SACK_TIME_MAX   0xFFFFFFFF
  218 #define SCTPCTL_DELAYED_SACK_TIME_DEFAULT       SCTP_RECV_MSEC
  219 
  220 /* sack_freq: Default SACK frequency */
  221 #define SCTPCTL_SACK_FREQ_DESC          "Default SACK frequency"
  222 #define SCTPCTL_SACK_FREQ_MIN           0
  223 #define SCTPCTL_SACK_FREQ_MAX           0xFFFFFFFF
  224 #define SCTPCTL_SACK_FREQ_DEFAULT       SCTP_DEFAULT_SACK_FREQ
  225 
  226 /* sys_resource: Max number of cached resources in the system */
  227 #define SCTPCTL_SYS_RESOURCE_DESC       "Max number of cached resources in the system"
  228 #define SCTPCTL_SYS_RESOURCE_MIN        0
  229 #define SCTPCTL_SYS_RESOURCE_MAX        0xFFFFFFFF
  230 #define SCTPCTL_SYS_RESOURCE_DEFAULT    SCTP_DEF_SYSTEM_RESC_LIMIT
  231 
  232 /* asoc_resource: Max number of cached resources in an asoc */
  233 #define SCTPCTL_ASOC_RESOURCE_DESC      "Max number of cached resources in an asoc"
  234 #define SCTPCTL_ASOC_RESOURCE_MIN       0
  235 #define SCTPCTL_ASOC_RESOURCE_MAX       0xFFFFFFFF
  236 #define SCTPCTL_ASOC_RESOURCE_DEFAULT   SCTP_DEF_ASOC_RESC_LIMIT
  237 
  238 /* heartbeat_interval: Default heartbeat interval in msec */
  239 #define SCTPCTL_HEARTBEAT_INTERVAL_DESC "Default heartbeat interval in msec"
  240 #define SCTPCTL_HEARTBEAT_INTERVAL_MIN  0
  241 #define SCTPCTL_HEARTBEAT_INTERVAL_MAX  0xFFFFFFFF
  242 #define SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT      SCTP_HB_DEFAULT_MSEC
  243 
  244 /* pmtu_raise_time: Default PMTU raise timer in sec */
  245 #define SCTPCTL_PMTU_RAISE_TIME_DESC    "Default PMTU raise timer in sec"
  246 #define SCTPCTL_PMTU_RAISE_TIME_MIN     0
  247 #define SCTPCTL_PMTU_RAISE_TIME_MAX     0xFFFFFFFF
  248 #define SCTPCTL_PMTU_RAISE_TIME_DEFAULT SCTP_DEF_PMTU_RAISE_SEC
  249 
  250 /* shutdown_guard_time: Default shutdown guard timer in sec */
  251 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DESC        "Default shutdown guard timer in sec"
  252 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MIN         0
  253 #define SCTPCTL_SHUTDOWN_GUARD_TIME_MAX         0xFFFFFFFF
  254 #define SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT     SCTP_DEF_MAX_SHUTDOWN_SEC
  255 
  256 /* secret_lifetime: Default secret lifetime in sec */
  257 #define SCTPCTL_SECRET_LIFETIME_DESC    "Default secret lifetime in sec"
  258 #define SCTPCTL_SECRET_LIFETIME_MIN     0
  259 #define SCTPCTL_SECRET_LIFETIME_MAX     0xFFFFFFFF
  260 #define SCTPCTL_SECRET_LIFETIME_DEFAULT SCTP_DEFAULT_SECRET_LIFE_SEC
  261 
  262 /* rto_max: Default maximum retransmission timeout in msec */
  263 #define SCTPCTL_RTO_MAX_DESC            "Default maximum retransmission timeout in msec"
  264 #define SCTPCTL_RTO_MAX_MIN             0
  265 #define SCTPCTL_RTO_MAX_MAX             0xFFFFFFFF
  266 #define SCTPCTL_RTO_MAX_DEFAULT         SCTP_RTO_UPPER_BOUND
  267 
  268 /* rto_min: Default minimum retransmission timeout in msec */
  269 #define SCTPCTL_RTO_MIN_DESC            "Default minimum retransmission timeout in msec"
  270 #define SCTPCTL_RTO_MIN_MIN             0
  271 #define SCTPCTL_RTO_MIN_MAX             0xFFFFFFFF
  272 #define SCTPCTL_RTO_MIN_DEFAULT         SCTP_RTO_LOWER_BOUND
  273 
  274 /* rto_initial: Default initial retransmission timeout in msec */
  275 #define SCTPCTL_RTO_INITIAL_DESC        "Default initial retransmission timeout in msec"
  276 #define SCTPCTL_RTO_INITIAL_MIN         0
  277 #define SCTPCTL_RTO_INITIAL_MAX         0xFFFFFFFF
  278 #define SCTPCTL_RTO_INITIAL_DEFAULT     SCTP_RTO_INITIAL
  279 
  280 /* init_rto_max: Default maximum retransmission timeout during association setup in msec */
  281 #define SCTPCTL_INIT_RTO_MAX_DESC       "Default maximum retransmission timeout during association setup in msec"
  282 #define SCTPCTL_INIT_RTO_MAX_MIN        0
  283 #define SCTPCTL_INIT_RTO_MAX_MAX        0xFFFFFFFF
  284 #define SCTPCTL_INIT_RTO_MAX_DEFAULT    SCTP_RTO_UPPER_BOUND
  285 
  286 /* valid_cookie_life: Default cookie lifetime in sec */
  287 #define SCTPCTL_VALID_COOKIE_LIFE_DESC  "Default cookie lifetime in sec"
  288 #define SCTPCTL_VALID_COOKIE_LIFE_MIN   0
  289 #define SCTPCTL_VALID_COOKIE_LIFE_MAX   0xFFFFFFFF
  290 #define SCTPCTL_VALID_COOKIE_LIFE_DEFAULT       SCTP_DEFAULT_COOKIE_LIFE
  291 
  292 /* init_rtx_max: Default maximum number of retransmission for INIT chunks */
  293 #define SCTPCTL_INIT_RTX_MAX_DESC       "Default maximum number of retransmission for INIT chunks"
  294 #define SCTPCTL_INIT_RTX_MAX_MIN        0
  295 #define SCTPCTL_INIT_RTX_MAX_MAX        0xFFFFFFFF
  296 #define SCTPCTL_INIT_RTX_MAX_DEFAULT    SCTP_DEF_MAX_INIT
  297 
  298 /* assoc_rtx_max: Default maximum number of retransmissions per association */
  299 #define SCTPCTL_ASSOC_RTX_MAX_DESC      "Default maximum number of retransmissions per association"
  300 #define SCTPCTL_ASSOC_RTX_MAX_MIN       0
  301 #define SCTPCTL_ASSOC_RTX_MAX_MAX       0xFFFFFFFF
  302 #define SCTPCTL_ASSOC_RTX_MAX_DEFAULT   SCTP_DEF_MAX_SEND
  303 
  304 /* path_rtx_max: Default maximum of retransmissions per path */
  305 #define SCTPCTL_PATH_RTX_MAX_DESC       "Default maximum of retransmissions per path"
  306 #define SCTPCTL_PATH_RTX_MAX_MIN        0
  307 #define SCTPCTL_PATH_RTX_MAX_MAX        0xFFFFFFFF
  308 #define SCTPCTL_PATH_RTX_MAX_DEFAULT    SCTP_DEF_MAX_PATH_RTX
  309 
  310 /* add_more_on_output: When space wise is it worthwhile to try to add more to a socket send buffer */
  311 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DESC "When space wise is it worthwhile to try to add more to a socket send buffer"
  312 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MIN  0
  313 #define SCTPCTL_ADD_MORE_ON_OUTPUT_MAX  0xFFFFFFFF
  314 #define SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT SCTP_DEFAULT_ADD_MORE
  315 
  316 /* outgoing_streams: Default number of outgoing streams */
  317 #define SCTPCTL_OUTGOING_STREAMS_DESC   "Default number of outgoing streams"
  318 #define SCTPCTL_OUTGOING_STREAMS_MIN    1
  319 #define SCTPCTL_OUTGOING_STREAMS_MAX    65535
  320 #define SCTPCTL_OUTGOING_STREAMS_DEFAULT SCTP_OSTREAM_INITIAL
  321 
  322 /* cmt_on_off: CMT on/off flag */
  323 #define SCTPCTL_CMT_ON_OFF_DESC         "CMT on/off flag"
  324 #define SCTPCTL_CMT_ON_OFF_MIN          0
  325 #define SCTPCTL_CMT_ON_OFF_MAX          1
  326 #define SCTPCTL_CMT_ON_OFF_DEFAULT      0
  327 
  328 /* EY - nr_sack_on_off: NR_SACK on/off flag */
  329 #define SCTPCTL_NR_SACK_ON_OFF_DESC     "NR_SACK on/off flag"
  330 #define SCTPCTL_NR_SACK_ON_OFF_MIN      0
  331 #define SCTPCTL_NR_SACK_ON_OFF_MAX      1
  332 #define SCTPCTL_NR_SACK_ON_OFF_DEFAULT  0
  333 
  334 /* cmt_use_dac: CMT DAC on/off flag */
  335 #define SCTPCTL_CMT_USE_DAC_DESC        "CMT DAC on/off flag"
  336 #define SCTPCTL_CMT_USE_DAC_MIN         0
  337 #define SCTPCTL_CMT_USE_DAC_MAX         1
  338 #define SCTPCTL_CMT_USE_DAC_DEFAULT     0
  339 
  340 /* JRS 5/2107 - CMT PF type flag */
  341 #define SCTPCTL_CMT_PF_DESC             "CMT PF type flag"
  342 #define SCTPCTL_CMT_PF_MIN              0
  343 #define SCTPCTL_CMT_PF_MAX              2
  344 #define SCTPCTL_CMT_PF_DEFAULT          0
  345 
  346 /* cwnd_maxburst: Use a CWND adjusting maxburst */
  347 #define SCTPCTL_CWND_MAXBURST_DESC      "Use a CWND adjusting maxburst"
  348 #define SCTPCTL_CWND_MAXBURST_MIN       0
  349 #define SCTPCTL_CWND_MAXBURST_MAX       1
  350 #define SCTPCTL_CWND_MAXBURST_DEFAULT   1
  351 
  352 /* early_fast_retran: Early Fast Retransmit with timer */
  353 #define SCTPCTL_EARLY_FAST_RETRAN_DESC  "Early Fast Retransmit with timer"
  354 #define SCTPCTL_EARLY_FAST_RETRAN_MIN   0
  355 #define SCTPCTL_EARLY_FAST_RETRAN_MAX   0xFFFFFFFF
  356 #define SCTPCTL_EARLY_FAST_RETRAN_DEFAULT       0
  357 
  358 /* early_fast_retran_msec: Early Fast Retransmit minimum timer value */
  359 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC     "Early Fast Retransmit minimum timer value"
  360 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN      0
  361 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX      0xFFFFFFFF
  362 #define SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT  SCTP_MINFR_MSEC_TIMER
  363 
  364 /* asconf_auth_nochk: Disable SCTP ASCONF AUTH requirement */
  365 #define SCTPCTL_ASCONF_AUTH_NOCHK_DESC  "Disable SCTP ASCONF AUTH requirement"
  366 #define SCTPCTL_ASCONF_AUTH_NOCHK_MIN   0
  367 #define SCTPCTL_ASCONF_AUTH_NOCHK_MAX   1
  368 #define SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT       0
  369 
  370 /* auth_disable: Disable SCTP AUTH function */
  371 #define SCTPCTL_AUTH_DISABLE_DESC       "Disable SCTP AUTH function"
  372 #define SCTPCTL_AUTH_DISABLE_MIN        0
  373 #define SCTPCTL_AUTH_DISABLE_MAX        1
  374 #define SCTPCTL_AUTH_DISABLE_DEFAULT    0
  375 
  376 /* nat_friendly: SCTP NAT friendly operation */
  377 #define SCTPCTL_NAT_FRIENDLY_DESC       "SCTP NAT friendly operation"
  378 #define SCTPCTL_NAT_FRIENDLY_MIN        0
  379 #define SCTPCTL_NAT_FRIENDLY_MAX        1
  380 #define SCTPCTL_NAT_FRIENDLY_DEFAULT    1
  381 
  382 /* abc_l_var: SCTP ABC max increase per SACK (L) */
  383 #define SCTPCTL_ABC_L_VAR_DESC          "SCTP ABC max increase per SACK (L)"
  384 #define SCTPCTL_ABC_L_VAR_MIN           0
  385 #define SCTPCTL_ABC_L_VAR_MAX           0xFFFFFFFF
  386 #define SCTPCTL_ABC_L_VAR_DEFAULT       1
  387 
  388 /* max_chained_mbufs: Default max number of small mbufs on a chain */
  389 #define SCTPCTL_MAX_CHAINED_MBUFS_DESC  "Default max number of small mbufs on a chain"
  390 #define SCTPCTL_MAX_CHAINED_MBUFS_MIN   0
  391 #define SCTPCTL_MAX_CHAINED_MBUFS_MAX   0xFFFFFFFF
  392 #define SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT       SCTP_DEFAULT_MBUFS_IN_CHAIN
  393 
  394 /* do_sctp_drain: Should SCTP respond to the drain calls */
  395 #define SCTPCTL_DO_SCTP_DRAIN_DESC      "Should SCTP respond to the drain calls"
  396 #define SCTPCTL_DO_SCTP_DRAIN_MIN       0
  397 #define SCTPCTL_DO_SCTP_DRAIN_MAX       1
  398 #define SCTPCTL_DO_SCTP_DRAIN_DEFAULT   1
  399 
  400 /* hb_max_burst: Confirmation Heartbeat max burst? */
  401 #define SCTPCTL_HB_MAX_BURST_DESC       "Confirmation Heartbeat max burst"
  402 #define SCTPCTL_HB_MAX_BURST_MIN        1
  403 #define SCTPCTL_HB_MAX_BURST_MAX        0xFFFFFFFF
  404 #define SCTPCTL_HB_MAX_BURST_DEFAULT    SCTP_DEF_MAX_BURST
  405 
  406 /* abort_at_limit: When one-2-one hits qlimit abort */
  407 #define SCTPCTL_ABORT_AT_LIMIT_DESC     "When one-2-one hits qlimit abort"
  408 #define SCTPCTL_ABORT_AT_LIMIT_MIN      0
  409 #define SCTPCTL_ABORT_AT_LIMIT_MAX      1
  410 #define SCTPCTL_ABORT_AT_LIMIT_DEFAULT  0
  411 
  412 /* strict_data_order: Enforce strict data ordering, abort if control inside data */
  413 #define SCTPCTL_STRICT_DATA_ORDER_DESC  "Enforce strict data ordering, abort if control inside data"
  414 #define SCTPCTL_STRICT_DATA_ORDER_MIN   0
  415 #define SCTPCTL_STRICT_DATA_ORDER_MAX   1
  416 #define SCTPCTL_STRICT_DATA_ORDER_DEFAULT       0
  417 
  418 /* min_residual: min residual in a data fragment leftover */
  419 #define SCTPCTL_MIN_RESIDUAL_DESC       "Minimum residual data chunk in second part of split"
  420 #define SCTPCTL_MIN_RESIDUAL_MIN        20
  421 #define SCTPCTL_MIN_RESIDUAL_MAX        65535
  422 #define SCTPCTL_MIN_RESIDUAL_DEFAULT    1452
  423 
  424 /* max_retran_chunk: max chunk retransmissions */
  425 #define SCTPCTL_MAX_RETRAN_CHUNK_DESC   "Maximum times an unlucky chunk can be retran'd before assoc abort"
  426 #define SCTPCTL_MAX_RETRAN_CHUNK_MIN    0
  427 #define SCTPCTL_MAX_RETRAN_CHUNK_MAX    65535
  428 #define SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT        30
  429 
  430 /* sctp_logging: This gives us logging when the options are enabled */
  431 #define SCTPCTL_LOGGING_LEVEL_DESC      "Ltrace/KTR trace logging level"
  432 #define SCTPCTL_LOGGING_LEVEL_MIN       0
  433 #define SCTPCTL_LOGGING_LEVEL_MAX       0xffffffff
  434 #define SCTPCTL_LOGGING_LEVEL_DEFAULT   0
  435 
  436 /* JRS - default congestion control module sysctl */
  437 #define SCTPCTL_DEFAULT_CC_MODULE_DESC          "Default congestion control module"
  438 #define SCTPCTL_DEFAULT_CC_MODULE_MIN           0
  439 #define SCTPCTL_DEFAULT_CC_MODULE_MAX           2
  440 #define SCTPCTL_DEFAULT_CC_MODULE_DEFAULT       0
  441 
  442 /* RRS - default fragment interleave */
  443 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC    "Default fragment interleave level"
  444 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN     0
  445 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX     2
  446 #define SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT 1
  447 
  448 /* mobility_base: Enable SCTP mobility support */
  449 #define SCTPCTL_MOBILITY_BASE_DESC      "Enable SCTP base mobility"
  450 #define SCTPCTL_MOBILITY_BASE_MIN       0
  451 #define SCTPCTL_MOBILITY_BASE_MAX       1
  452 #define SCTPCTL_MOBILITY_BASE_DEFAULT   SCTP_DEFAULT_MOBILITY_BASE
  453 
  454 /* mobility_fasthandoff: Enable SCTP fast handoff support */
  455 #define SCTPCTL_MOBILITY_FASTHANDOFF_DESC       "Enable SCTP fast handoff"
  456 #define SCTPCTL_MOBILITY_FASTHANDOFF_MIN        0
  457 #define SCTPCTL_MOBILITY_FASTHANDOFF_MAX        1
  458 #define SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT    SCTP_DEFAULT_MOBILITY_FASTHANDOFF
  459 
  460 /* Enable SCTP/UDP tunneling for clients*/
  461 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC    "Enable SCTP/UDP tunneling for client"
  462 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN     0
  463 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX     1
  464 #define SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN
  465 
  466 /* Enable SCTP/UDP tunneling port */
  467 #define SCTPCTL_UDP_TUNNELING_PORT_DESC         "Set the SCTP/UDP tunneling port"
  468 #define SCTPCTL_UDP_TUNNELING_PORT_MIN          0
  469 #define SCTPCTL_UDP_TUNNELING_PORT_MAX          65535
  470 #define SCTPCTL_UDP_TUNNELING_PORT_DEFAULT      SCTP_OVER_UDP_TUNNELING_PORT
  471 
  472 /* Enable sending of the SACK-IMMEDIATELY bit */
  473 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC    "Enable sending of the SACK-IMMEDIATELY-bit."
  474 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN     0
  475 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX     1
  476 #define SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN
  477 
  478 /* Enable sending of the SACK-IMMEDIATELY bit */
  479 #define SCTPCTL_NAT_FRIENDLY_INITS      "Enable sending of the nat-friendly SCTP option on INITs."
  480 #define SCTPCTL_NAT_FRIENDLY_INITS_MIN  0
  481 #define SCTPCTL_NAT_FRIENDLY_INITS_MAX  1
  482 #define SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT      SCTPCTL_NAT_FRIENDLY_INITS_MIN
  483 
  484 
  485 #if defined(SCTP_DEBUG)
  486 /* debug: Configure debug output */
  487 #define SCTPCTL_DEBUG_DESC      "Configure debug output"
  488 #define SCTPCTL_DEBUG_MIN       0
  489 #define SCTPCTL_DEBUG_MAX       0xFFFFFFFF
  490 #define SCTPCTL_DEBUG_DEFAULT   0
  491 #endif
  492 
  493 
  494 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
  495 #define SCTPCTL_OUTPUT_UNLOCKED_DESC    "Unlock socket when sending packets down to IP."
  496 #define SCTPCTL_OUTPUT_UNLOCKED_MIN     0
  497 #define SCTPCTL_OUTPUT_UNLOCKED_MAX     1
  498 #define SCTPCTL_OUTPUT_UNLOCKED_DEFAULT SCTPCTL_OUTPUT_UNLOCKED_MIN
  499 #endif
  500 
  501 
  502 #if defined(_KERNEL) || defined(__Userspace__)
  503 #if defined(SYSCTL_DECL)
  504 SYSCTL_DECL(_net_inet_sctp);
  505 #endif
  506 
  507 void sctp_init_sysctls(void);
  508 
  509 #endif                          /* _KERNEL */
  510 #endif                          /* __sctp_sysctl_h__ */

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