src/third_party/usrsctp/usrsctplib/netinet/sctp_sysctl.c

   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 #ifdef __FreeBSD__
  34 #include <sys/cdefs.h>
  35 __FBSDID("$FreeBSD: head/sys/netinet/sctp_sysctl.c 263237 2014-03-16 12:32:16Z tuexen $");
  36 #endif
  37
  38 #include <netinet/sctp_os.h>
  39 #include <netinet/sctp.h>
  40 #include <netinet/sctp_constants.h>
  41 #include <netinet/sctp_sysctl.h>
  42 #include <netinet/sctp_pcb.h>
  43 #include <netinet/sctputil.h>
  44 #include <netinet/sctp_output.h>
  45 #ifdef __FreeBSD__
  46 #include <sys/smp.h>
  47 #endif
  48 #if defined(__APPLE__)
  49 #include <netinet/sctp_bsd_addr.h>
  50 #endif
  51
  52 /*
  53  * sysctl tunable variables
  54  */
  55
  56 void
  57 sctp_init_sysctls()
  58 {
  59         SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT;
  60         SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT;
  61         SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT;
  62         SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT;
  63         SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT;
  64         SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT;
  65 #if !(defined(__FreeBSD__) && __FreeBSD_version >= 800000)
  66 #if !defined(SCTP_WITH_NO_CSUM)
  67         SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT;
  68 #endif
  69 #endif
  70         SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT;
  71         SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT;
  72         SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT;
  73         SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT;
  74         SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
  75         SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
  76         SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT;
  77         SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
  78         SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT;
  79         SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT;
  80         SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT;
  81         SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT;
  82         SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT;
  83         SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT;
  84         SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT;
  85         SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT;
  86         SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT;
  87         SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT;
  88         SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT;
  89         SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT;
  90         SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT;
  91         SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT;
  92         SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT;
  93         SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT;
  94         SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT;
  95         SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT;
  96         SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT;
  97         SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT;
  98         SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT;
  99         /* EY */
 100         SCTP_BASE_SYSCTL(sctp_nr_sack_on_off) = SCTPCTL_NR_SACK_ON_OFF_DEFAULT;
 101         SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT;
 102         SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT;
 103         SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk) = SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT;
 104         SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_DEFAULT;
 105         SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT;
 106         SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT;
 107         SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT;
 108         SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT;
 109         SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT;
 110         SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT;
 111         SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT;
 112         SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT;
 113         SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT;
 114         SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT;
 115         /* JRS - Variable for default congestion control module */
 116         SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT;
 117         /* RS - Variable for default stream scheduling module */
 118         SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT;
 119         SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT;
 120         SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT;
 121         SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT;
 122         SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT;
 123         SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT;
 124         SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT;
 125         SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT;
 126         SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT;
 127         SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT;
 128         SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT;
 129         SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT;
 130         SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT;
 131         SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT;
 132 #if defined(SCTP_LOCAL_TRACE_BUF)
 133 #if defined(__Windows__)
 134         /* On Windows, the resource for global variables is limited. */
 135         MALLOC(SCTP_BASE_SYSCTL(sctp_log), struct sctp_log *, sizeof(struct sctp_log), M_SYSCTL, M_ZERO);
 136 #else
 137         memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
 138 #endif
 139 #endif
 140         SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT;
 141         SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT;
 142         SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT;
 143 #if defined(SCTP_DEBUG)
 144         SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT;
 145 #endif
 146 #if defined(__APPLE__)
 147         SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = SCTPCTL_IGNORE_VMWARE_INTERFACES_DEFAULT;
 148         SCTP_BASE_SYSCTL(sctp_main_timer) = SCTPCTL_MAIN_TIMER_DEFAULT;
 149         SCTP_BASE_SYSCTL(sctp_addr_watchdog_limit) = SCTPCTL_ADDR_WATCHDOG_LIMIT_DEFAULT;
 150         SCTP_BASE_SYSCTL(sctp_vtag_watchdog_limit) = SCTPCTL_VTAG_WATCHDOG_LIMIT_DEFAULT;
 151 #endif
 152 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
 153         SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT;
 154 #endif
 155 }
 156
 157 #if defined(__Windows__)
 158 void
 159 sctp_finish_sysctls()
 160 {
 161 #if defined(SCTP_LOCAL_TRACE_BUF)
 162         if (SCTP_BASE_SYSCTL(sctp_log) != NULL) {
 163                 FREE(SCTP_BASE_SYSCTL(sctp_log), M_SYSCTL);
 164                 SCTP_BASE_SYSCTL(sctp_log) = NULL;
 165         }
 166 #endif
 167 }
 168 #endif
 169
 170 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__Windows__)
 171 /* It returns an upper limit. No filtering is done here */
 172 static unsigned int
 173 number_of_addresses(struct sctp_inpcb *inp)
 174 {
 175         unsigned int cnt;
 176         struct sctp_vrf *vrf;
 177         struct sctp_ifn *sctp_ifn;
 178         struct sctp_ifa *sctp_ifa;
 179         struct sctp_laddr *laddr;
 180
 181         cnt = 0;
 182         /* neither Mac OS X nor FreeBSD support mulitple routing functions */
 183         if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
 184                 return (0);
 185         }
 186         if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
 187                 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
 188                         LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
 189                                 switch (sctp_ifa->address.sa.sa_family) {
 190 #ifdef INET
 191                                 case AF_INET:
 192 #endif
 193 #ifdef INET6
 194                                 case AF_INET6:
 195 #endif
 196                                         cnt++;
 197                                         break;
 198                                 default:
 199                                         break;
 200                                 }
 201                         }
 202                 }
 203         } else {
 204                 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
 205                         switch (laddr->ifa->address.sa.sa_family) {
 206 #ifdef INET
 207                         case AF_INET:
 208 #endif
 209 #ifdef INET6
 210                         case AF_INET6:
 211 #endif
 212                                 cnt++;
 213                                 break;
 214                         default:
 215                                 break;
 216                         }
 217                 }
 218         }
 219         return (cnt);
 220 }
 221
 222 static int
 223 copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req)
 224 {
 225         struct sctp_ifn *sctp_ifn;
 226         struct sctp_ifa *sctp_ifa;
 227         int loopback_scope, ipv4_local_scope, local_scope, site_scope;
 228         int ipv4_addr_legal, ipv6_addr_legal;
 229 #if defined(__Userspace__)
 230         int conn_addr_legal;
 231 #endif
 232         struct sctp_vrf *vrf;
 233         struct xsctp_laddr xladdr;
 234         struct sctp_laddr *laddr;
 235         int error;
 236
 237         /* Turn on all the appropriate scope */
 238         if (stcb) {
 239                 /* use association specific values */
 240                 loopback_scope = stcb->asoc.scope.loopback_scope;
 241                 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
 242                 local_scope = stcb->asoc.scope.local_scope;
 243                 site_scope = stcb->asoc.scope.site_scope;
 244                 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
 245                 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
 246 #if defined(__Userspace__)
 247                 conn_addr_legal = stcb->asoc.scope.conn_addr_legal;
 248 #endif
 249         } else {
 250                 /* Use generic values for endpoints. */
 251                 loopback_scope = 1;
 252                 ipv4_local_scope = 1;
 253                 local_scope = 1;
 254                 site_scope = 1;
 255                 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
 256                         ipv6_addr_legal = 1;
 257                         if (SCTP_IPV6_V6ONLY(inp)) {
 258                                 ipv4_addr_legal = 0;
 259                         } else {
 260                                 ipv4_addr_legal = 1;
 261                         }
 262 #if defined(__Userspace__)
 263                         conn_addr_legal = 0;
 264 #endif
 265                 } else {
 266                         ipv6_addr_legal = 0;
 267 #if defined(__Userspace__)
 268                         if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) {
 269                                 conn_addr_legal = 1;
 270                                 ipv4_addr_legal = 0;
 271                         } else {
 272                                 conn_addr_legal = 0;
 273                                 ipv4_addr_legal = 1;
 274                         }
 275 #else
 276                         ipv4_addr_legal = 1;
 277 #endif
 278                 }
 279         }
 280
 281         /* neither Mac OS X nor FreeBSD support mulitple routing functions */
 282         if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
 283                 SCTP_INP_RUNLOCK(inp);
 284                 SCTP_INP_INFO_RUNLOCK();
 285                 return (-1);
 286         }
 287         if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
 288                 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
 289                         if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn))
 290                                 /* Skip loopback if loopback_scope not set */
 291                                 continue;
 292                         LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
 293                                 if (stcb) {
 294                                         /*
 295                                          * ignore if blacklisted at
 296                                          * association level
 297                                          */
 298                                         if (sctp_is_addr_restricted(stcb, sctp_ifa))
 299                                                 continue;
 300                                 }
 301                                 switch (sctp_ifa->address.sa.sa_family) {
 302 #ifdef INET
 303                                 case AF_INET:
 304                                         if (ipv4_addr_legal) {
 305                                                 struct sockaddr_in *sin;
 306
 307                                                 sin = (struct sockaddr_in *)&sctp_ifa->address.sa;
 308                                                 if (sin->sin_addr.s_addr == 0)
 309                                                         continue;
 310                                                 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)))
 311                                                         continue;
 312                                         } else {
 313                                                 continue;
 314                                         }
 315                                         break;
 316 #endif
 317 #ifdef INET6
 318                                 case AF_INET6:
 319                                         if (ipv6_addr_legal) {
 320                                                 struct sockaddr_in6 *sin6;
 321
 322 #if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME)
 323                                                 struct sockaddr_in6 lsa6;
 324 #endif
 325                                                 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa;
 326                                                 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))
 327                                                         continue;
 328                                                 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
 329                                                         if (local_scope == 0)
 330                                                                 continue;
 331 #if defined(SCTP_EMBEDDED_V6_SCOPE)
 332                                                         if (sin6->sin6_scope_id == 0) {
 333 #ifdef SCTP_KAME
 334                                                                 /* bad link local address */
 335                                                                 if (sa6_recoverscope(sin6) != 0)
 336                                                                         continue;
 337 #else
 338                                                                 lsa6 = *sin6;
 339                                                                 /* bad link local address */
 340                                                                 if (in6_recoverscope(&lsa6, &lsa6.sin6_addr, NULL))
 341                                                                         continue;
 342                                                                 sin6 = &lsa6;
 343 #endif  /* SCTP_KAME */
 344                                                         }
 345 #endif /* SCTP_EMBEDDED_V6_SCOPE */
 346                                                 }
 347                                                 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)))
 348                                                         continue;
 349                                         } else {
 350                                                 continue;
 351                                         }
 352                                         break;
 353 #endif
 354 #if defined(__Userspace__)
 355                                 case AF_CONN:
 356                                         if (!conn_addr_legal) {
 357                                                 continue;
 358                                         }
 359                                         break;
 360 #endif
 361                                 default:
 362                                         continue;
 363                                 }
 364                                 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
 365                                 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore));
 366                                 SCTP_INP_RUNLOCK(inp);
 367                                 SCTP_INP_INFO_RUNLOCK();
 368                                 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
 369                                 if (error) {
 370                                         return (error);
 371                                 } else {
 372                                         SCTP_INP_INFO_RLOCK();
 373                                         SCTP_INP_RLOCK(inp);
 374                                 }
 375                         }
 376                 }
 377         } else {
 378                 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
 379                         /* ignore if blacklisted at association level */
 380                         if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa))
 381                                 continue;
 382                         memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
 383                         memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore));
 384                         xladdr.start_time.tv_sec = (uint32_t)laddr->start_time.tv_sec;
 385                         xladdr.start_time.tv_usec = (uint32_t)laddr->start_time.tv_usec;
 386                         SCTP_INP_RUNLOCK(inp);
 387                         SCTP_INP_INFO_RUNLOCK();
 388                         error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
 389                         if (error) {
 390                                 return (error);
 391                         } else {
 392                                 SCTP_INP_INFO_RLOCK();
 393                                 SCTP_INP_RLOCK(inp);
 394                         }
 395                 }
 396         }
 397         memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
 398         xladdr.last = 1;
 399         SCTP_INP_RUNLOCK(inp);
 400         SCTP_INP_INFO_RUNLOCK();
 401         error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
 402
 403         if (error) {
 404                 return (error);
 405         } else {
 406                 SCTP_INP_INFO_RLOCK();
 407                 SCTP_INP_RLOCK(inp);
 408                 return (0);
 409         }
 410 }
 411
 412 /*
 413  * sysctl functions
 414  */
 415 #if defined(__APPLE__)
 416 static int
 417 sctp_assoclist SYSCTL_HANDLER_ARGS
 418 {
 419 #pragma unused(oidp, arg1, arg2)
 420 #else
 421 static int
 422 sctp_assoclist(SYSCTL_HANDLER_ARGS)
 423 {
 424 #endif
 425         unsigned int number_of_endpoints;
 426         unsigned int number_of_local_addresses;
 427         unsigned int number_of_associations;
 428         unsigned int number_of_remote_addresses;
 429         unsigned int n;
 430         int error;
 431         struct sctp_inpcb *inp;
 432         struct sctp_tcb *stcb;
 433         struct sctp_nets *net;
 434         struct xsctp_inpcb xinpcb;
 435         struct xsctp_tcb xstcb;
 436         struct xsctp_raddr xraddr;
 437         struct socket *so;
 438
 439         number_of_endpoints = 0;
 440         number_of_local_addresses = 0;
 441         number_of_associations = 0;
 442         number_of_remote_addresses = 0;
 443
 444         SCTP_INP_INFO_RLOCK();
 445 #if !defined(__Windows__)
 446         if (req->oldptr == USER_ADDR_NULL) {
 447 #else
 448         if (req->data == NULL) {
 449 #endif
 450                 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
 451                         SCTP_INP_RLOCK(inp);
 452                         number_of_endpoints++;
 453                         number_of_local_addresses += number_of_addresses(inp);
 454                         LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
 455                                 number_of_associations++;
 456                                 number_of_local_addresses += number_of_addresses(inp);
 457                                 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
 458                                         number_of_remote_addresses++;
 459                                 }
 460                         }
 461                         SCTP_INP_RUNLOCK(inp);
 462                 }
 463                 SCTP_INP_INFO_RUNLOCK();
 464                 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) +
 465                     (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) +
 466                     (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) +
 467                     (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr);
 468
 469                 /* request some more memory than needed */
 470 #if !defined(__Windows__)
 471                 req->oldidx = (n + n / 8);
 472 #else
 473                 req->dataidx = (n + n / 8);
 474 #endif
 475                 return (0);
 476         }
 477 #if !defined(__Windows__)
 478         if (req->newptr != USER_ADDR_NULL) {
 479 #else
 480         if (req->new_data != NULL) {
 481 #endif
 482                 SCTP_INP_INFO_RUNLOCK();
 483                 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM);
 484                 return (EPERM);
 485         }
 486         LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
 487                 SCTP_INP_RLOCK(inp);
 488                 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {
 489                         /* if its allgone it is being freed - skip it  */
 490                         goto skip;
 491                 }
 492                 xinpcb.last = 0;
 493                 xinpcb.local_port = ntohs(inp->sctp_lport);
 494                 xinpcb.flags = inp->sctp_flags;
 495 #if defined(__FreeBSD__) && __FreeBSD_version < 1000048
 496                 xinpcb.features = (uint32_t)inp->sctp_features;
 497 #else
 498                 xinpcb.features = inp->sctp_features;
 499 #endif
 500                 xinpcb.total_sends = inp->total_sends;
 501                 xinpcb.total_recvs = inp->total_recvs;
 502                 xinpcb.total_nospaces = inp->total_nospaces;
 503                 xinpcb.fragmentation_point = inp->sctp_frag_point;
 504                 so = inp->sctp_socket;
 505                 if ((so == NULL) ||
 506                     (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
 507                         xinpcb.qlen = 0;
 508                         xinpcb.maxqlen = 0;
 509                 } else {
 510                         xinpcb.qlen = so->so_qlen;
 511                         xinpcb.maxqlen = so->so_qlimit;
 512                 }
 513                 SCTP_INP_INCR_REF(inp);
 514                 SCTP_INP_RUNLOCK(inp);
 515                 SCTP_INP_INFO_RUNLOCK();
 516                 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
 517                 if (error) {
 518                         SCTP_INP_DECR_REF(inp);
 519                         return (error);
 520                 }
 521                 SCTP_INP_INFO_RLOCK();
 522                 SCTP_INP_RLOCK(inp);
 523                 error = copy_out_local_addresses(inp, NULL, req);
 524                 if (error) {
 525                         SCTP_INP_DECR_REF(inp);
 526                         return (error);
 527                 }
 528                 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
 529                         SCTP_TCB_LOCK(stcb);
 530                         atomic_add_int(&stcb->asoc.refcnt, 1);
 531                         SCTP_TCB_UNLOCK(stcb);
 532                         xstcb.last = 0;
 533                         xstcb.local_port = ntohs(inp->sctp_lport);
 534                         xstcb.remote_port = ntohs(stcb->rport);
 535                         if (stcb->asoc.primary_destination != NULL)
 536                                 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr;
 537                         xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay;
 538                         xstcb.state = SCTP_GET_STATE(&stcb->asoc);      /* FIXME */
 539 #if defined(__FreeBSD__)
 540 #if __FreeBSD_version >= 800000
 541                         /* 7.0 does not support these */
 542                         xstcb.assoc_id = sctp_get_associd(stcb);
 543                         xstcb.peers_rwnd = stcb->asoc.peers_rwnd;
 544 #endif
 545 #else
 546                         xstcb.assoc_id = sctp_get_associd(stcb);
 547                         xstcb.peers_rwnd = stcb->asoc.peers_rwnd;
 548 #endif
 549                         xstcb.in_streams = stcb->asoc.streamincnt;
 550                         xstcb.out_streams = stcb->asoc.streamoutcnt;
 551                         xstcb.max_nr_retrans = stcb->asoc.overall_error_count;
 552                         xstcb.primary_process = 0; /* not really supported yet */
 553                         xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie;
 554                         xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack;
 555                         xstcb.retransmitted_tsns = stcb->asoc.marked_retrans;
 556                         xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec;
 557                         xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec;
 558                         xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec;
 559                         xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec;
 560                         xstcb.total_sends = stcb->total_sends;
 561                         xstcb.total_recvs = stcb->total_recvs;
 562                         xstcb.local_tag = stcb->asoc.my_vtag;
 563                         xstcb.remote_tag = stcb->asoc.peer_vtag;
 564                         xstcb.initial_tsn = stcb->asoc.init_seq_number;
 565                         xstcb.highest_tsn = stcb->asoc.sending_seq - 1;
 566                         xstcb.cumulative_tsn = stcb->asoc.last_acked_seq;
 567                         xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn;
 568                         xstcb.mtu = stcb->asoc.smallest_mtu;
 569                         xstcb.refcnt = stcb->asoc.refcnt;
 570                         SCTP_INP_RUNLOCK(inp);
 571                         SCTP_INP_INFO_RUNLOCK();
 572                         error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
 573                         if (error) {
 574                                 SCTP_INP_DECR_REF(inp);
 575                                 atomic_subtract_int(&stcb->asoc.refcnt, 1);
 576                                 return (error);
 577                         }
 578                         SCTP_INP_INFO_RLOCK();
 579                         SCTP_INP_RLOCK(inp);
 580                         error = copy_out_local_addresses(inp, stcb, req);
 581                         if (error) {
 582                                 SCTP_INP_DECR_REF(inp);
 583                                 atomic_subtract_int(&stcb->asoc.refcnt, 1);
 584                                 return (error);
 585                         }
 586                         TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
 587                                 xraddr.last = 0;
 588                                 xraddr.address = net->ro._l_addr;
 589                                 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE);
 590                                 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0);
 591                                 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0);
 592                                 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF);
 593                                 xraddr.rto = net->RTO;
 594                                 xraddr.max_path_rtx = net->failure_threshold;
 595                                 xraddr.rtx = net->marked_retrans;
 596                                 xraddr.error_counter = net->error_count;
 597                                 xraddr.cwnd = net->cwnd;
 598                                 xraddr.flight_size = net->flight_size;
 599                                 xraddr.mtu = net->mtu;
 600 #if defined(__FreeBSD__)
 601 #if __FreeBSD_version >= 800000
 602                                 xraddr.rtt = net->rtt / 1000;
 603                                 xraddr.heartbeat_interval = net->heart_beat_delay;
 604 #endif
 605 #else
 606                                 xraddr.rtt = net->rtt / 1000;
 607                                 xraddr.heartbeat_interval = net->heart_beat_delay;
 608 #endif
 609                                 xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec;
 610                                 xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec;
 611                                 SCTP_INP_RUNLOCK(inp);
 612                                 SCTP_INP_INFO_RUNLOCK();
 613                                 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
 614                                 if (error) {
 615                                         SCTP_INP_DECR_REF(inp);
 616                                         atomic_subtract_int(&stcb->asoc.refcnt, 1);
 617                                         return (error);
 618                                 }
 619                                 SCTP_INP_INFO_RLOCK();
 620                                 SCTP_INP_RLOCK(inp);
 621                         }
 622                         atomic_subtract_int(&stcb->asoc.refcnt, 1);
 623                         memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr));
 624                         xraddr.last = 1;
 625                         SCTP_INP_RUNLOCK(inp);
 626                         SCTP_INP_INFO_RUNLOCK();
 627                         error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
 628                         if (error) {
 629                                 SCTP_INP_DECR_REF(inp);
 630                                 return (error);
 631                         }
 632                         SCTP_INP_INFO_RLOCK();
 633                         SCTP_INP_RLOCK(inp);
 634                 }
 635                 SCTP_INP_DECR_REF(inp);
 636                 SCTP_INP_RUNLOCK(inp);
 637                 SCTP_INP_INFO_RUNLOCK();
 638                 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb));
 639                 xstcb.last = 1;
 640                 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
 641                 if (error) {
 642                         return (error);
 643                 }
 644 skip:
 645                 SCTP_INP_INFO_RLOCK();
 646         }
 647         SCTP_INP_INFO_RUNLOCK();
 648
 649         memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb));
 650         xinpcb.last = 1;
 651         error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
 652         return (error);
 653 }
 654
 655
 656 #if !defined(__Windows__)
 657 #define RANGECHK(var, min, max) \
 658         if ((var) < (min)) { (var) = (min); } \
 659         else if ((var) > (max)) { (var) = (max); }
 660 #else
 661 #define RANGECHK(var, min, max) \
 662         if ((var) <= (min)) { (var) = (min); } \
 663         else if ((var) >= (max)) { (var) = (max); }
 664 #endif
 665
 666 #if defined(__APPLE__)
 667 static int
 668 sysctl_sctp_udp_tunneling_check SYSCTL_HANDLER_ARGS
 669 {
 670 #pragma unused(arg1, arg2)
 671 #else
 672 static int
 673 sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS)
 674 {
 675 #endif
 676         int error;
 677         uint32_t old_sctp_udp_tunneling_port;
 678
 679         SCTP_INP_INFO_RLOCK();
 680         old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port);
 681         SCTP_INP_INFO_RUNLOCK();
 682         error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
 683         if (error == 0) {
 684                 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX);
 685 #if !defined(__Windows__)
 686                 if (old_sctp_udp_tunneling_port == SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) {
 687                         error = 0;
 688                         goto out;
 689                 }
 690                 SCTP_INP_INFO_WLOCK();
 691                 if (old_sctp_udp_tunneling_port) {
 692                         sctp_over_udp_stop();
 693                 }
 694                 if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) {
 695                         if (sctp_over_udp_start()) {
 696                                 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0;
 697                         }
 698                 }
 699 #else
 700                 SCTP_INP_INFO_WLOCK();
 701                 sctp_over_udp_restart();
 702 #endif
 703                 SCTP_INP_INFO_WUNLOCK();
 704         }
 705 out:
 706         return (error);
 707 }
 708
 709 #if defined(__APPLE__)
 710 int sctp_is_vmware_interface(struct ifnet *);
 711
 712 static int
 713 sysctl_sctp_vmware_interfaces_check SYSCTL_HANDLER_ARGS
 714 {
 715 #pragma unused(arg1, arg2)
 716         int error;
 717         uint32_t old_sctp_ignore_vmware_interfaces;
 718
 719         old_sctp_ignore_vmware_interfaces = SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces);
 720         error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
 721         if (error == 0) {
 722                 RANGECHK(SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces), SCTPCTL_IGNORE_VMWARE_INTERFACES_MIN, SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX);
 723                 if (old_sctp_ignore_vmware_interfaces  && !SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces)) {
 724                         sctp_add_or_del_interfaces(sctp_is_vmware_interface, 1);
 725                 }
 726                 if (!old_sctp_ignore_vmware_interfaces  && SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces)) {
 727                         sctp_add_or_del_interfaces(sctp_is_vmware_interface, 0);
 728                 }
 729         }
 730         return (error);
 731 }
 732 #endif
 733
 734 #if defined(__APPLE__)
 735 static int
 736 sysctl_sctp_check SYSCTL_HANDLER_ARGS
 737 {
 738 #pragma unused(arg1, arg2)
 739 #else
 740 static int
 741 sysctl_sctp_check(SYSCTL_HANDLER_ARGS)
 742 {
 743 #endif
 744         int error;
 745
 746 #if defined(__FreeBSD__) && __FreeBSD_version >= 800056 && __FreeBSD_version < 1000100
 747 #ifdef VIMAGE
 748         error = vnet_sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
 749 #else
 750         error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
 751 #endif
 752 #else
 753         error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
 754 #endif
 755         if (error == 0) {
 756                 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX);
 757                 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX);
 758 #if defined(__FreeBSD__)
 759                 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
 760 #elif defined(SCTP_APPLE_AUTO_ASCONF)
 761                 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
 762 #endif
 763                 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX);
 764                 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX);
 765 #if !(defined(__FreeBSD__) && __FreeBSD_version >= 800000)
 766 #if !defined(SCTP_WITH_NO_CSUM)
 767                 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX);
 768 #endif
 769 #endif
 770                 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX);
 771                 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX);
 772                 RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTPCTL_FRMAXBURST_MAX);
 773                 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX);
 774                 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX);
 775                 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX);
 776                 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX);
 777                 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX);
 778                 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX);
 779                 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX);
 780                 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX);
 781                 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX);
 782                 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX);
 783                 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX);
 784                 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX);
 785                 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX);
 786                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX);
 787                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX);
 788                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX);
 789                 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX);
 790                 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX);
 791                 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX);
 792                 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX);
 793                 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX);
 794                 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, SCTPCTL_PATH_PF_THRESHOLD_MAX);
 795                 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX);
 796                 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), SCTPCTL_INCOMING_STREAMS_MIN, SCTPCTL_INCOMING_STREAMS_MAX);
 797                 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX);
 798                 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX);
 799                 /* EY */
 800                 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), SCTPCTL_NR_SACK_ON_OFF_MIN, SCTPCTL_NR_SACK_ON_OFF_MAX);
 801                 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX);
 802                 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX);
 803                 RANGECHK(SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), SCTPCTL_ASCONF_AUTH_NOCHK_MIN, SCTPCTL_ASCONF_AUTH_NOCHK_MAX);
 804                 RANGECHK(SCTP_BASE_SYSCTL(sctp_auth_disable), SCTPCTL_AUTH_DISABLE_MIN, SCTPCTL_AUTH_DISABLE_MAX);
 805                 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX);
 806                 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX);
 807                 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX);
 808                 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX);
 809                 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX);
 810                 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX);
 811                 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX);
 812                 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX);
 813                 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX);
 814                 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX);
 815                 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX);
 816                 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX);
 817                 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX);
 818                 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX);
 819                 RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX);
 820                 RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX);
 821                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_BW_MAX);
 822                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR_RTT_MAX);
 823                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RTTVAR_EQRET_MAX);
 824                 RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_RTTVAR_STEADYS_MAX);
 825                 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_RTTVAR_DCCCECN_MAX);
 826 #if defined(__FreeBSD__)
 827                 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX);
 828 #elif defined(SCTP_APPLE_MOBILITY_BASE)
 829                 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX);
 830 #endif
 831 #if defined(__FreeBSD__)
 832                 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX);
 833 #elif defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF)
 834                 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX);
 835 #endif
 836                 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX);
 837                 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX);
 838                 RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOLE_MAX);
 839                 RANGECHK(SCTP_BASE_SYSCTL(sctp_diag_info_code), SCTPCTL_DIAG_INFO_CODE_MIN, SCTPCTL_DIAG_INFO_CODE_MAX);
 840
 841 #ifdef SCTP_DEBUG
 842                 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX);
 843 #endif
 844 #if defined(__APPLE__)
 845                 RANGECHK(SCTP_BASE_SYSCTL(sctp_main_timer), SCTPCTL_MAIN_TIMER_MIN, SCTPCTL_MAIN_TIMER_MAX);
 846                 RANGECHK(SCTP_BASE_SYSCTL(sctp_addr_watchdog_limit), SCTPCTL_ADDR_WATCHDOG_LIMIT_MIN, SCTPCTL_ADDR_WATCHDOG_LIMIT_MAX);
 847                 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_watchdog_limit), SCTPCTL_VTAG_WATCHDOG_LIMIT_MIN, SCTPCTL_VTAG_WATCHDOG_LIMIT_MAX);
 848 #endif
 849 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
 850                 RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX);
 851 #endif
 852         }
 853         return (error);
 854 }
 855
 856 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
 857 static int
 858 sysctl_stat_get(SYSCTL_HANDLER_ARGS)
 859 {
 860         int cpu, error;
 861         struct sctpstat sb, *sarry, *cpin = NULL;
 862
 863         if ((req->newptr) && (req->newlen == sizeof(struct sctpstat))) {
 864                 /* User wants us to clear or at least
 865                  * reset the counters to the specified values.
 866                  */
 867                 cpin = (struct sctpstat *)req->newptr;
 868         } else if (req->newptr) {
 869                 /* Must be a stat structure */
 870                 return (EINVAL);
 871         }
 872         memset(&sb, 0, sizeof(sb));
 873         for (cpu = 0; cpu < mp_maxid; cpu++) {
 874                 sarry = &SCTP_BASE_STATS[cpu];
 875                 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) {
 876                         sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec;
 877                         sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec;
 878                 }
 879                 sb.sctps_currestab += sarry->sctps_currestab;
 880                 sb.sctps_activeestab += sarry->sctps_activeestab;
 881                 sb.sctps_restartestab += sarry->sctps_restartestab;
 882                 sb.sctps_collisionestab += sarry->sctps_collisionestab;
 883                 sb.sctps_passiveestab += sarry->sctps_passiveestab;
 884                 sb.sctps_aborted += sarry->sctps_aborted;
 885                 sb.sctps_shutdown += sarry->sctps_shutdown;
 886                 sb.sctps_outoftheblue += sarry->sctps_outoftheblue;
 887                 sb.sctps_checksumerrors += sarry->sctps_checksumerrors;
 888                 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks;
 889                 sb.sctps_outorderchunks += sarry->sctps_outorderchunks;
 890                 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks;
 891                 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks;
 892                 sb.sctps_inorderchunks += sarry->sctps_inorderchunks;
 893                 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks;
 894                 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs;
 895                 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs;
 896                 sb.sctps_outpackets += sarry->sctps_outpackets;
 897                 sb.sctps_inpackets += sarry->sctps_inpackets;
 898                 sb.sctps_recvpackets += sarry->sctps_recvpackets;
 899                 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams;
 900                 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata;
 901                 sb.sctps_recvsacks += sarry->sctps_recvsacks;
 902                 sb.sctps_recvdata += sarry->sctps_recvdata;
 903                 sb.sctps_recvdupdata += sarry->sctps_recvdupdata;
 904                 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat;
 905                 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack;
 906                 sb.sctps_recvecne += sarry->sctps_recvecne;
 907                 sb.sctps_recvauth += sarry->sctps_recvauth;
 908                 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing;
 909                 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid;
 910                 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid;
 911                 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed;
 912                 sb.sctps_recvexpress += sarry->sctps_recvexpress;
 913                 sb.sctps_recvexpressm += sarry->sctps_recvexpressm;
 914                 sb.sctps_recvnocrc += sarry->sctps_recvnocrc;
 915                 sb.sctps_recvswcrc += sarry->sctps_recvswcrc;
 916                 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc;
 917                 sb.sctps_sendpackets += sarry->sctps_sendpackets;
 918                 sb.sctps_sendsacks += sarry->sctps_sendsacks;
 919                 sb.sctps_senddata += sarry->sctps_senddata;
 920                 sb.sctps_sendretransdata += sarry->sctps_sendretransdata;
 921                 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans;
 922                 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans;
 923                 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat;
 924                 sb.sctps_sendecne += sarry->sctps_sendecne;
 925                 sb.sctps_sendauth += sarry->sctps_sendauth;
 926                 sb.sctps_senderrors += sarry->sctps_senderrors;
 927                 sb.sctps_sendnocrc += sarry->sctps_sendnocrc;
 928                 sb.sctps_sendswcrc += sarry->sctps_sendswcrc;
 929                 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc;
 930                 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox;
 931                 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos;
 932                 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda;
 933                 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct;
 934                 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt;
 935                 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt;
 936                 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat;
 937                 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk;
 938                 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf;
 939                 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd;
 940                 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp;
 941                 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw;
 942                 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd;
 943                 sb.sctps_pdrpmark += sarry->sctps_pdrpmark;
 944                 sb.sctps_timoiterator += sarry->sctps_timoiterator;
 945                 sb.sctps_timodata += sarry->sctps_timodata;
 946                 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe;
 947                 sb.sctps_timoinit += sarry->sctps_timoinit;
 948                 sb.sctps_timosack += sarry->sctps_timosack;
 949                 sb.sctps_timoshutdown += sarry->sctps_timoshutdown;
 950                 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat;
 951                 sb.sctps_timocookie += sarry->sctps_timocookie;
 952                 sb.sctps_timosecret += sarry->sctps_timosecret;
 953                 sb.sctps_timopathmtu += sarry->sctps_timopathmtu;
 954                 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack;
 955                 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard;
 956                 sb.sctps_timostrmrst += sarry->sctps_timostrmrst;
 957                 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr;
 958                 sb.sctps_timoasconf += sarry->sctps_timoasconf;
 959                 sb.sctps_timodelprim += sarry->sctps_timodelprim;
 960                 sb.sctps_timoautoclose += sarry->sctps_timoautoclose;
 961                 sb.sctps_timoassockill += sarry->sctps_timoassockill;
 962                 sb.sctps_timoinpkill += sarry->sctps_timoinpkill;
 963                 sb.sctps_hdrops += sarry->sctps_hdrops;
 964                 sb.sctps_badsum += sarry->sctps_badsum;
 965                 sb.sctps_noport += sarry->sctps_noport;
 966                 sb.sctps_badvtag += sarry->sctps_badvtag;
 967                 sb.sctps_badsid += sarry->sctps_badsid;
 968                 sb.sctps_nomem += sarry->sctps_nomem;
 969                 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt;
 970                 sb.sctps_markedretrans += sarry->sctps_markedretrans;
 971                 sb.sctps_naglesent += sarry->sctps_naglesent;
 972                 sb.sctps_naglequeued += sarry->sctps_naglequeued;
 973                 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued;
 974                 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued;
 975                 sb.sctps_windowprobed += sarry->sctps_windowprobed;
 976                 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr;
 977                 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr;
 978                 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt;
 979                 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd;
 980                 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd;
 981                 sb.sctps_vtagexpress += sarry->sctps_vtagexpress;
 982                 sb.sctps_vtagbogus += sarry->sctps_vtagbogus;
 983                 sb.sctps_primary_randry += sarry->sctps_primary_randry;
 984                 sb.sctps_cmt_randry += sarry->sctps_cmt_randry;
 985                 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack;
 986                 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent;
 987                 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags;
 988                 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord;
 989                 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof;
 990                 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort;
 991                 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls;
 992                 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done;
 993                 sb.sctps_read_peeks += sarry->sctps_read_peeks;
 994                 sb.sctps_cached_chk += sarry->sctps_cached_chk;
 995                 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq;
 996                 sb.sctps_left_abandon += sarry->sctps_left_abandon;
 997                 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid;
 998                 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid;
 999                 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over;
1000                 if (cpin) {
1001                         memcpy(sarry, cpin, sizeof(struct sctpstat));
1002                 }
1003         }
1004         error = SYSCTL_OUT(req, &sb, sizeof(sb));
1005         return (error);
1006 }
1007 #endif
1008
1009 #if defined(SCTP_LOCAL_TRACE_BUF)
1010 #if defined(__APPLE__)
1011 static int
1012 sysctl_sctp_cleartrace SYSCTL_HANDLER_ARGS
1013 {
1014 #pragma unused(arg1, arg2, req, oidp)
1015 #else
1016 static int
1017 sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS)
1018 {
1019 #endif
1020         int error = 0;
1021 #if defined(__Windows__)
1022         int value = 0;
1023
1024         if (req->new_data == NULL) {
1025                 return (error);
1026         }
1027         error = SYSCTL_IN(req, &value, sizeof(int));
1028         if (error == 0 && value != 0 && SCTP_BASE_SYSCTL(sctp_log) != NULL) {
1029                 memset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1030         }
1031 #else
1032
1033         memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1034 #endif
1035         return (error);
1036 }
1037 #endif
1038
1039
1040 #if defined(__APPLE__) || defined(__FreeBSD__)
1041 #if defined(__APPLE__)
1042 #define CTLTYPE_UINT CTLTYPE_INT
1043 #define SYSCTL_VNET_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
1044         SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr)
1045 #define SYSCTL_VNET_STRUCT(parent, nbr, name, access, ptr, type, descr) \
1046         SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr)
1047 #endif
1048 /*
1049  * sysctl definitions
1050  */
1051
1052 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_UINT|CTLFLAG_RW,
1053                  &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU",
1054                  SCTPCTL_MAXDGRAM_DESC);
1055
1056 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_UINT|CTLFLAG_RW,
1057                  &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU",
1058                  SCTPCTL_RECVSPACE_DESC);
1059
1060 #if defined(__FreeBSD__)
1061 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_UINT|CTLFLAG_RW,
1062                  &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU",
1063                  SCTPCTL_AUTOASCONF_DESC);
1064 #elif defined(SCTP_APPLE_AUTO_ASCONF)
1065 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_UINT|CTLFLAG_RW,
1066             &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU",
1067             SCTPCTL_AUTOASCONF_DESC);
1068 #endif
1069
1070 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_UINT|CTLFLAG_RW,
1071                  &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU",
1072                  SCTPCTL_ECN_ENABLE_DESC);
1073
1074 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_UINT|CTLFLAG_RW,
1075                  &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU",
1076                  SCTPCTL_STRICT_SACKS_DESC);
1077
1078 #if !(defined(__FreeBSD__) && __FreeBSD_version >= 800000)
1079 #if !defined(SCTP_WITH_NO_CSUM)
1080 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLTYPE_UINT|CTLFLAG_RW,
1081                  &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sysctl_sctp_check, "IU",
1082                  SCTPCTL_LOOPBACK_NOCSUM_DESC);
1083 #endif
1084 #endif
1085
1086 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_UINT|CTLFLAG_RW,
1087                  &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU",
1088                  SCTPCTL_PEER_CHKOH_DESC);
1089
1090 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_UINT|CTLFLAG_RW,
1091                  &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU",
1092                  SCTPCTL_MAXBURST_DESC);
1093
1094 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, fr_maxburst, CTLTYPE_UINT|CTLFLAG_RW,
1095                  &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sysctl_sctp_check, "IU",
1096                  SCTPCTL_FRMAXBURST_DESC);
1097
1098 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_UINT|CTLFLAG_RW,
1099                  &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU",
1100                  SCTPCTL_MAXCHUNKS_DESC);
1101
1102 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_UINT|CTLFLAG_RW,
1103                  &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU",
1104                  SCTPCTL_TCBHASHSIZE_DESC);
1105
1106 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_UINT|CTLFLAG_RW,
1107                  &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU",
1108                  SCTPCTL_PCBHASHSIZE_DESC);
1109
1110 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_UINT|CTLFLAG_RW,
1111                  &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU",
1112                  SCTPCTL_MIN_SPLIT_POINT_DESC);
1113
1114 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_UINT|CTLFLAG_RW,
1115                  &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU",
1116                  SCTPCTL_CHUNKSCALE_DESC);
1117
1118 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_UINT|CTLFLAG_RW,
1119                  &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU",
1120                  SCTPCTL_DELAYED_SACK_TIME_DESC);
1121
1122 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_UINT|CTLFLAG_RW,
1123                  &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU",
1124                  SCTPCTL_SACK_FREQ_DESC);
1125
1126 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_UINT|CTLFLAG_RW,
1127                  &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU",
1128                  SCTPCTL_SYS_RESOURCE_DESC);
1129
1130 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_UINT|CTLFLAG_RW,
1131                  &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU",
1132                  SCTPCTL_ASOC_RESOURCE_DESC);
1133
1134 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_UINT|CTLFLAG_RW,
1135                  &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU",
1136                  SCTPCTL_HEARTBEAT_INTERVAL_DESC);
1137
1138 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_UINT|CTLFLAG_RW,
1139                  &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU",
1140                  SCTPCTL_PMTU_RAISE_TIME_DESC);
1141
1142 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_UINT|CTLFLAG_RW,
1143                  &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU",
1144                  SCTPCTL_SHUTDOWN_GUARD_TIME_DESC);
1145
1146 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_UINT|CTLFLAG_RW,
1147                  &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU",
1148                  SCTPCTL_SECRET_LIFETIME_DESC);
1149
1150 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_UINT|CTLFLAG_RW,
1151                  &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU",
1152                  SCTPCTL_RTO_MAX_DESC);
1153
1154 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_UINT|CTLFLAG_RW,
1155                  &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU",
1156                  SCTPCTL_RTO_MIN_DESC);
1157
1158 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_UINT|CTLFLAG_RW,
1159                  &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU",
1160                  SCTPCTL_RTO_INITIAL_DESC);
1161
1162 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_UINT|CTLFLAG_RW,
1163                  &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU",
1164                  SCTPCTL_INIT_RTO_MAX_DESC);
1165
1166 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_UINT|CTLFLAG_RW,
1167                  &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU",
1168                  SCTPCTL_VALID_COOKIE_LIFE_DESC);
1169
1170 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_UINT|CTLFLAG_RW,
1171                  &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU",
1172                  SCTPCTL_INIT_RTX_MAX_DESC);
1173
1174 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_UINT|CTLFLAG_RW,
1175                  &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU",
1176                  SCTPCTL_ASSOC_RTX_MAX_DESC);
1177
1178 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_UINT|CTLFLAG_RW,
1179                  &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU",
1180                  SCTPCTL_PATH_RTX_MAX_DESC);
1181
1182 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, path_pf_threshold, CTLTYPE_UINT|CTLFLAG_RW,
1183                  &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sysctl_sctp_check, "IU",
1184                  SCTPCTL_PATH_PF_THRESHOLD_DESC);
1185
1186 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_UINT|CTLFLAG_RW,
1187                  &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU",
1188                  SCTPCTL_ADD_MORE_ON_OUTPUT_DESC);
1189
1190 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, incoming_streams, CTLTYPE_UINT|CTLFLAG_RW,
1191                  &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sysctl_sctp_check, "IU",
1192                  SCTPCTL_INCOMING_STREAMS_DESC);
1193
1194 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_UINT|CTLFLAG_RW,
1195                  &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU",
1196                  SCTPCTL_OUTGOING_STREAMS_DESC);
1197
1198 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_UINT|CTLFLAG_RW,
1199                  &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU",
1200                  SCTPCTL_CMT_ON_OFF_DESC);
1201
1202 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nr_sack_on_off, CTLTYPE_UINT | CTLFLAG_RW,
1203                  &SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), 0, sysctl_sctp_check, "IU",
1204                  SCTPCTL_NR_SACK_ON_OFF_DESC);
1205
1206 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_UINT|CTLFLAG_RW,
1207                  &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU",
1208                  SCTPCTL_CMT_USE_DAC_DESC);
1209
1210 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_UINT|CTLFLAG_RW,
1211                  &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU",
1212                  SCTPCTL_CWND_MAXBURST_DESC);
1213
1214 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLTYPE_UINT|CTLFLAG_RW,
1215                  &SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), 0, sysctl_sctp_check, "IU",
1216                  SCTPCTL_ASCONF_AUTH_NOCHK_DESC);
1217
1218 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_UINT|CTLFLAG_RW,
1219                  &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check, "IU",
1220                  SCTPCTL_AUTH_DISABLE_DESC);
1221
1222 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_UINT|CTLFLAG_RW,
1223                  &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU",
1224                  SCTPCTL_NAT_FRIENDLY_DESC);
1225
1226 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_UINT|CTLFLAG_RW,
1227                  &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU",
1228                  SCTPCTL_ABC_L_VAR_DESC);
1229
1230 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_UINT|CTLFLAG_RW,
1231                  &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU",
1232                  SCTPCTL_MAX_CHAINED_MBUFS_DESC);
1233
1234 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_UINT|CTLFLAG_RW,
1235                  &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU",
1236                  SCTPCTL_DO_SCTP_DRAIN_DESC);
1237
1238 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_UINT|CTLFLAG_RW,
1239                  &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU",
1240                  SCTPCTL_HB_MAX_BURST_DESC);
1241
1242 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_UINT|CTLFLAG_RW,
1243                  &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU",
1244                  SCTPCTL_ABORT_AT_LIMIT_DESC);
1245
1246 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_UINT|CTLFLAG_RW,
1247                  &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU",
1248                  SCTPCTL_STRICT_DATA_ORDER_DESC);
1249
1250 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_UINT|CTLFLAG_RW,
1251                  &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU",
1252                  SCTPCTL_MIN_RESIDUAL_DESC);
1253
1254 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_UINT|CTLFLAG_RW,
1255                  &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU",
1256                  SCTPCTL_MAX_RETRAN_CHUNK_DESC);
1257
1258 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_UINT|CTLFLAG_RW,
1259                  &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU",
1260                  SCTPCTL_LOGGING_LEVEL_DESC);
1261
1262 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_UINT|CTLFLAG_RW,
1263                  &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU",
1264                  SCTPCTL_DEFAULT_CC_MODULE_DESC);
1265
1266 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_ss_module, CTLTYPE_UINT|CTLFLAG_RW,
1267                  &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sysctl_sctp_check, "IU",
1268                  SCTPCTL_DEFAULT_SS_MODULE_DESC);
1269
1270 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_UINT|CTLFLAG_RW,
1271                  &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU",
1272                  SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC);
1273
1274 #if defined(__FreeBSD__)
1275 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_UINT|CTLFLAG_RW,
1276                  &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU",
1277                  SCTPCTL_MOBILITY_BASE_DESC);
1278 #elif defined(SCTP_APPLE_MOBILITY_BASE)
1279 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_UINT|CTLFLAG_RW,
1280             &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU",
1281             SCTPCTL_MOBILITY_BASE_DESC);
1282 #endif
1283
1284 #if defined(__FreeBSD__)
1285 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_UINT|CTLFLAG_RW,
1286                  &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU",
1287                  SCTPCTL_MOBILITY_FASTHANDOFF_DESC);
1288 #elif defined(SCTP_APPLE_MOBILITY_FASTHANDOFF)
1289 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_UINT|CTLFLAG_RW,
1290             &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU",
1291             SCTPCTL_MOBILITY_FASTHANDOFF_DESC);
1292 #endif
1293
1294 #if defined(SCTP_LOCAL_TRACE_BUF)
1295 SYSCTL_VNET_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD,
1296                    &SCTP_BASE_SYSCTL(sctp_log), sctp_log,
1297                    "SCTP logging (struct sctp_log)");
1298
1299 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_UINT | CTLFLAG_RW,
1300                  &SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU",
1301                  "Clear SCTP Logging buffer");
1302 #endif
1303
1304 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_UINT|CTLFLAG_RW,
1305                  &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU",
1306                  SCTPCTL_UDP_TUNNELING_PORT_DESC);
1307
1308 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_UINT|CTLFLAG_RW,
1309                  &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU",
1310                  SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC);
1311
1312 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nat_friendly_init, CTLTYPE_UINT|CTLFLAG_RW,
1313                  &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sysctl_sctp_check, "IU",
1314                  SCTPCTL_NAT_FRIENDLY_INITS_DESC);
1315
1316 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, vtag_time_wait, CTLTYPE_UINT|CTLFLAG_RW,
1317                  &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sysctl_sctp_check, "IU",
1318                  SCTPCTL_TIME_WAIT_DESC);
1319
1320 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, buffer_splitting, CTLTYPE_UINT|CTLFLAG_RW,
1321                  &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sysctl_sctp_check, "IU",
1322                  SCTPCTL_BUFFER_SPLITTING_DESC);
1323
1324 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, initial_cwnd, CTLTYPE_UINT|CTLFLAG_RW,
1325                  &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sysctl_sctp_check, "IU",
1326                  SCTPCTL_INITIAL_CWND_DESC);
1327
1328 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_bw, CTLTYPE_UINT|CTLFLAG_RW,
1329                  &SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sysctl_sctp_check, "IU",
1330                  SCTPCTL_RTTVAR_BW_DESC);
1331
1332 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_rtt, CTLTYPE_UINT|CTLFLAG_RW,
1333                  &SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sysctl_sctp_check, "IU",
1334                  SCTPCTL_RTTVAR_RTT_DESC);
1335
1336 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_eqret, CTLTYPE_UINT|CTLFLAG_RW,
1337                  &SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sysctl_sctp_check, "IU",
1338                  SCTPCTL_RTTVAR_EQRET_DESC);
1339
1340 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_steady_step, CTLTYPE_UINT|CTLFLAG_RW,
1341                  &SCTP_BASE_SYSCTL(sctp_steady_step), 0, sysctl_sctp_check, "IU",
1342                  SCTPCTL_RTTVAR_STEADYS_DESC);
1343
1344 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, use_dcccecn, CTLTYPE_UINT|CTLFLAG_RW,
1345                  &SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sysctl_sctp_check, "IU",
1346                  SCTPCTL_RTTVAR_DCCCECN_DESC);
1347
1348 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, blackhole, CTLTYPE_UINT|CTLFLAG_RW,
1349                  &SCTP_BASE_SYSCTL(sctp_blackhole), 0, sysctl_sctp_check, "IU",
1350                  SCTPCTL_BLACKHOLE_DESC);
1351
1352 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, diag_info_code, CTLTYPE_UINT|CTLFLAG_RW,
1353                  &SCTP_BASE_SYSCTL(sctp_diag_info_code), 0, sysctl_sctp_check, "IU",
1354                  SCTPCTL_DIAG_INFO_CODE_DESC);
1355
1356 #ifdef SCTP_DEBUG
1357 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_UINT|CTLFLAG_RW,
1358                  &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU",
1359                  SCTPCTL_DEBUG_DESC);
1360 #endif
1361
1362 #if defined(__APPLE__)
1363 SYSCTL_INT(_net_inet_sctp, OID_AUTO, main_timer, CTLFLAG_RW,
1364            &SCTP_BASE_SYSCTL(sctp_main_timer), 0, "Main timer interval in ms");
1365
1366 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ignore_vmware_interfaces, CTLTYPE_UINT|CTLFLAG_RW,
1367             &SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces), 0, sysctl_sctp_vmware_interfaces_check, "IU",
1368             SCTPCTL_IGNORE_VMWARE_INTERFACES_DESC);
1369
1370 SYSCTL_INT(_net_inet_sctp, OID_AUTO, addr_watchdog_limit, CTLFLAG_RW,
1371             &SCTP_BASE_SYSCTL(sctp_addr_watchdog_limit), 0, "Addr watchdog intervall");
1372
1373 SYSCTL_INT(_net_inet_sctp, OID_AUTO, vtag_watchdog_limit, CTLFLAG_RW,
1374             &SCTP_BASE_SYSCTL(sctp_vtag_watchdog_limit), 0, "Vtag watchdog intervall");
1375 #endif
1376
1377 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
1378 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_UINT|CTLFLAG_RW,
1379                  &SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU",
1380                  SCTPCTL_OUTPUT_UNLOCKED_DESC);
1381 #endif
1382
1383 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
1384 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, stats,
1385                  CTLTYPE_STRUCT|CTLFLAG_RW,
1386                  0, 0, sysctl_stat_get, "S,sctpstat",
1387                  "SCTP statistics (struct sctp_stat)");
1388 #else
1389 SYSCTL_VNET_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW,
1390                    &SCTP_BASE_STATS_SYSCTL, sctpstat,
1391                    "SCTP statistics (struct sctp_stat)");
1392 #endif
1393
1394 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLTYPE_OPAQUE | CTLFLAG_RD,
1395                  0, 0, sctp_assoclist,
1396                  "S,xassoc", "List of active SCTP associations");
1397
1398 #elif defined(__Windows__)
1399 void sysctl_setup_sctp(void)
1400 {
1401         sysctl_add_oid(&sysctl_oid_top, "sendspace", CTLTYPE_INT|CTLFLAG_RW,
1402             &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check,
1403             SCTPCTL_MAXDGRAM_DESC);
1404
1405         sysctl_add_oid(&sysctl_oid_top, "recvspace", CTLTYPE_INT|CTLFLAG_RW,
1406            &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check,
1407             SCTPCTL_RECVSPACE_DESC);
1408
1409         sysctl_add_oid(&sysctl_oid_top, "auto_asconf", CTLTYPE_INT|CTLFLAG_RW,
1410             &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check,
1411             SCTPCTL_AUTOASCONF_DESC);
1412
1413         sysctl_add_oid(&sysctl_oid_top, "ecn_enable", CTLTYPE_INT|CTLFLAG_RW,
1414             &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check,
1415             SCTPCTL_ECN_ENABLE_DESC);
1416
1417         sysctl_add_oid(&sysctl_oid_top, "strict_sacks", CTLTYPE_INT|CTLFLAG_RW,
1418             &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check,
1419             SCTPCTL_STRICT_SACKS_DESC);
1420
1421 #if !(defined(__FreeBSD__) && __FreeBSD_version >= 800000)
1422 #if !defined(SCTP_WITH_NO_CSUM)
1423         sysctl_add_oid(&sysctl_oid_top, "loopback_nocsum", CTLTYPE_INT|CTLFLAG_RW,
1424             &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sysctl_sctp_check,
1425             SCTPCTL_LOOPBACK_NOCSUM_DESC);
1426 #endif
1427 #endif
1428
1429         sysctl_add_oid(&sysctl_oid_top, "peer_chkoh", CTLTYPE_INT|CTLFLAG_RW,
1430             &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check,
1431             SCTPCTL_PEER_CHKOH_DESC);
1432
1433         sysctl_add_oid(&sysctl_oid_top, "maxburst", CTLTYPE_INT|CTLFLAG_RW,
1434             &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check,
1435             SCTPCTL_MAXBURST_DESC);
1436
1437         sysctl_add_oid(&sysctl_oid_top, "fr_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1438             &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sysctl_sctp_check,
1439             SCTPCTL_FRMAXBURST_DESC);
1440
1441         sysctl_add_oid(&sysctl_oid_top, "maxchunks", CTLTYPE_INT|CTLFLAG_RW,
1442             &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check,
1443             SCTPCTL_MAXCHUNKS_DESC);
1444
1445         sysctl_add_oid(&sysctl_oid_top, "tcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1446             &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check,
1447             SCTPCTL_TCBHASHSIZE_DESC);
1448
1449         sysctl_add_oid(&sysctl_oid_top, "pcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1450             &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check,
1451             SCTPCTL_PCBHASHSIZE_DESC);
1452
1453         sysctl_add_oid(&sysctl_oid_top, "min_split_point", CTLTYPE_INT|CTLFLAG_RW,
1454             &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check,
1455             SCTPCTL_MIN_SPLIT_POINT_DESC);
1456
1457         sysctl_add_oid(&sysctl_oid_top, "chunkscale", CTLTYPE_INT|CTLFLAG_RW,
1458             &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check,
1459             SCTPCTL_CHUNKSCALE_DESC);
1460
1461         sysctl_add_oid(&sysctl_oid_top, "delayed_sack_time", CTLTYPE_INT|CTLFLAG_RW,
1462             &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check,
1463             SCTPCTL_DELAYED_SACK_TIME_DESC);
1464
1465         sysctl_add_oid(&sysctl_oid_top, "sack_freq", CTLTYPE_INT|CTLFLAG_RW,
1466             &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check,
1467             SCTPCTL_SACK_FREQ_DESC);
1468
1469         sysctl_add_oid(&sysctl_oid_top, "sys_resource", CTLTYPE_INT|CTLFLAG_RW,
1470             &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check,
1471             SCTPCTL_SYS_RESOURCE_DESC);
1472
1473         sysctl_add_oid(&sysctl_oid_top, "asoc_resource", CTLTYPE_INT|CTLFLAG_RW,
1474             &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check,
1475             SCTPCTL_ASOC_RESOURCE_DESC);
1476
1477         sysctl_add_oid(&sysctl_oid_top, "heartbeat_interval", CTLTYPE_INT|CTLFLAG_RW,
1478             &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check,
1479             SCTPCTL_HEARTBEAT_INTERVAL_DESC);
1480
1481         sysctl_add_oid(&sysctl_oid_top, "pmtu_raise_time", CTLTYPE_INT|CTLFLAG_RW,
1482             &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check,
1483             SCTPCTL_PMTU_RAISE_TIME_DESC);
1484
1485         sysctl_add_oid(&sysctl_oid_top, "shutdown_guard_time", CTLTYPE_INT|CTLFLAG_RW,
1486             &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check,
1487             SCTPCTL_SHUTDOWN_GUARD_TIME_DESC);
1488
1489         sysctl_add_oid(&sysctl_oid_top, "secret_lifetime", CTLTYPE_INT|CTLFLAG_RW,
1490             &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check,
1491             SCTPCTL_SECRET_LIFETIME_DESC);
1492
1493         sysctl_add_oid(&sysctl_oid_top, "rto_max", CTLTYPE_INT|CTLFLAG_RW,
1494             &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check,
1495             SCTPCTL_RTO_MAX_DESC);
1496
1497         sysctl_add_oid(&sysctl_oid_top, "rto_min", CTLTYPE_INT|CTLFLAG_RW,
1498             &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check,
1499             SCTPCTL_RTO_MIN_DESC);
1500
1501         sysctl_add_oid(&sysctl_oid_top, "rto_initial", CTLTYPE_INT|CTLFLAG_RW,
1502             &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check,
1503             SCTPCTL_RTO_INITIAL_DESC);
1504
1505         sysctl_add_oid(&sysctl_oid_top, "init_rto_max", CTLTYPE_INT|CTLFLAG_RW,
1506             &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check,
1507             SCTPCTL_INIT_RTO_MAX_DESC);
1508
1509         sysctl_add_oid(&sysctl_oid_top, "valid_cookie_life", CTLTYPE_INT|CTLFLAG_RW,
1510             &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check,
1511             SCTPCTL_VALID_COOKIE_LIFE_DESC);
1512
1513         sysctl_add_oid(&sysctl_oid_top, "init_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1514             &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check,
1515             SCTPCTL_INIT_RTX_MAX_DESC);
1516
1517         sysctl_add_oid(&sysctl_oid_top, "assoc_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1518             &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check,
1519             SCTPCTL_ASSOC_RTX_MAX_DESC);
1520
1521         sysctl_add_oid(&sysctl_oid_top, "path_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1522             &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check,
1523             SCTPCTL_PATH_RTX_MAX_DESC);
1524
1525         sysctl_add_oid(&sysctl_oid_top, "path_pf_threshold", CTLTYPE_INT|CTLFLAG_RW,
1526             &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sysctl_sctp_check,
1527             SCTPCTL_PATH_PF_THRESHOLD_DESC);
1528
1529         sysctl_add_oid(&sysctl_oid_top, "add_more_on_output", CTLTYPE_INT|CTLFLAG_RW,
1530             &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check,
1531             SCTPCTL_ADD_MORE_ON_OUTPUT_DESC);
1532
1533         sysctl_add_oid(&sysctl_oid_top, "incoming_streams", CTLTYPE_INT|CTLFLAG_RW,
1534             &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sysctl_sctp_check,
1535             SCTPCTL_INCOMING_STREAMS_DESC);
1536
1537         sysctl_add_oid(&sysctl_oid_top, "outgoing_streams", CTLTYPE_INT|CTLFLAG_RW,
1538             &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check,
1539             SCTPCTL_OUTGOING_STREAMS_DESC);
1540
1541         sysctl_add_oid(&sysctl_oid_top, "cmt_on_off", CTLTYPE_INT|CTLFLAG_RW,
1542             &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check,
1543             SCTPCTL_CMT_ON_OFF_DESC);
1544
1545         /* EY */
1546         sysctl_add_oid(&sysctl_oid_top, "nr_sack_on_off", CTLTYPE_INT|CTLFLAG_RW,
1547             &SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), 0, sysctl_sctp_check,
1548             SCTPCTL_NR_SACK_ON_OFF_DESC);
1549
1550         sysctl_add_oid(&sysctl_oid_top, "cmt_use_dac", CTLTYPE_INT|CTLFLAG_RW,
1551             &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check,
1552             SCTPCTL_CMT_USE_DAC_DESC);
1553
1554         sysctl_add_oid(&sysctl_oid_top, "cwnd_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1555             &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check,
1556             SCTPCTL_CWND_MAXBURST_DESC);
1557
1558         sysctl_add_oid(&sysctl_oid_top, "asconf_auth_nochk", CTLTYPE_INT|CTLFLAG_RW,
1559             &SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), 0, sysctl_sctp_check,
1560             SCTPCTL_ASCONF_AUTH_NOCHK_DESC);
1561
1562         sysctl_add_oid(&sysctl_oid_top, "auth_disable", CTLTYPE_INT|CTLFLAG_RW,
1563             &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check,
1564             SCTPCTL_AUTH_DISABLE_DESC);
1565
1566         sysctl_add_oid(&sysctl_oid_top, "nat_friendly", CTLTYPE_INT|CTLFLAG_RW,
1567             &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check,
1568             SCTPCTL_NAT_FRIENDLY_DESC);
1569
1570         sysctl_add_oid(&sysctl_oid_top, "abc_l_var", CTLTYPE_INT|CTLFLAG_RW,
1571             &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check,
1572             SCTPCTL_ABC_L_VAR_DESC);
1573
1574         sysctl_add_oid(&sysctl_oid_top, "max_chained_mbufs", CTLTYPE_INT|CTLFLAG_RW,
1575             &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check,
1576             SCTPCTL_MAX_CHAINED_MBUFS_DESC);
1577
1578         sysctl_add_oid(&sysctl_oid_top, "do_sctp_drain", CTLTYPE_INT|CTLFLAG_RW,
1579             &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check,
1580             SCTPCTL_DO_SCTP_DRAIN_DESC);
1581
1582         sysctl_add_oid(&sysctl_oid_top, "hb_max_burst", CTLTYPE_INT|CTLFLAG_RW,
1583             &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check,
1584             SCTPCTL_HB_MAX_BURST_DESC);
1585
1586         sysctl_add_oid(&sysctl_oid_top, "abort_at_limit", CTLTYPE_INT|CTLFLAG_RW,
1587             &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check,
1588             SCTPCTL_ABORT_AT_LIMIT_DESC);
1589
1590         sysctl_add_oid(&sysctl_oid_top, "strict_data_order", CTLTYPE_INT|CTLFLAG_RW,
1591             &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check,
1592             SCTPCTL_STRICT_DATA_ORDER_DESC);
1593
1594         sysctl_add_oid(&sysctl_oid_top, "min_residual", CTLTYPE_INT|CTLFLAG_RW,
1595             &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check,
1596             SCTPCTL_MIN_RESIDUAL_DESC);
1597
1598         sysctl_add_oid(&sysctl_oid_top, "max_retran_chunk", CTLTYPE_INT|CTLFLAG_RW,
1599             &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check,
1600             SCTPCTL_MAX_RETRAN_CHUNK_DESC);
1601
1602         sysctl_add_oid(&sysctl_oid_top, "log_level", CTLTYPE_INT|CTLFLAG_RW,
1603             &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check,
1604             SCTPCTL_LOGGING_LEVEL_DESC);
1605
1606         sysctl_add_oid(&sysctl_oid_top, "default_cc_module", CTLTYPE_INT|CTLFLAG_RW,
1607             &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check,
1608             SCTPCTL_DEFAULT_CC_MODULE_DESC);
1609
1610         sysctl_add_oid(&sysctl_oid_top, "default_ss_module", CTLTYPE_INT|CTLFLAG_RW,
1611             &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sysctl_sctp_check,
1612             SCTPCTL_DEFAULT_SS_MODULE_DESC);
1613
1614         sysctl_add_oid(&sysctl_oid_top, "default_frag_interleave", CTLTYPE_INT|CTLFLAG_RW,
1615             &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check,
1616             SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC);
1617
1618         sysctl_add_oid(&sysctl_oid_top, "mobility_base", CTLTYPE_INT|CTLFLAG_RW,
1619             &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check,
1620             SCTPCTL_MOBILITY_BASE_DESC);
1621
1622         sysctl_add_oid(&sysctl_oid_top, "mobility_fasthandoff", CTLTYPE_INT|CTLFLAG_RW,
1623             &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check,
1624             SCTPCTL_MOBILITY_FASTHANDOFF_DESC);
1625
1626 #if defined(SCTP_LOCAL_TRACE_BUF)
1627         sysctl_add_oid(&sysctl_oid_top, "sctp_log", CTLTYPE_STRUCT|CTLFLAG_RD,
1628             SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log), NULL,
1629             "SCTP logging (struct sctp_log)");
1630
1631         sysctl_add_oid(&sysctl_oid_top, "clear_trace", CTLTYPE_INT|CTLFLAG_WR,
1632             NULL, 0, sysctl_sctp_cleartrace,
1633             "Clear SCTP Logging buffer");
1634 #endif
1635
1636         sysctl_add_oid(&sysctl_oid_top, "udp_tunneling_port", CTLTYPE_INT|CTLFLAG_RW,
1637             &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check,
1638             SCTPCTL_UDP_TUNNELING_PORT_DESC);
1639
1640         sysctl_add_oid(&sysctl_oid_top, "enable_sack_immediately", CTLTYPE_INT|CTLFLAG_RW,
1641             &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check,
1642             SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC);
1643
1644         sysctl_add_oid(&sysctl_oid_top, "nat_friendly_init", CTLTYPE_INT|CTLFLAG_RW,
1645             &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sysctl_sctp_check,
1646             SCTPCTL_NAT_FRIENDLY_DESC);
1647
1648         sysctl_add_oid(&sysctl_oid_top, "vtag_time_wait", CTLTYPE_INT|CTLFLAG_RW,
1649             &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sysctl_sctp_check,
1650             SCTPCTL_TIME_WAIT_DESC);
1651
1652         sysctl_add_oid(&sysctl_oid_top, "buffer_splitting", CTLTYPE_INT|CTLFLAG_RW,
1653             &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sysctl_sctp_check,
1654             SCTPCTL_BUFFER_SPLITTING_DESC);
1655
1656         sysctl_add_oid(&sysctl_oid_top, "initial_cwnd", CTLTYPE_INT|CTLFLAG_RW,
1657             &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sysctl_sctp_check,
1658             SCTPCTL_INITIAL_CWND_DESC);
1659
1660         sysctl_add_oid(&sysctl_oid_top, "rttvar_bw", CTLTYPE_INT|CTLFLAG_RW,
1661             &SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sysctl_sctp_check,
1662             SCTPCTL_RTTVAR_BW_DESC);
1663
1664         sysctl_add_oid(&sysctl_oid_top, "rttvar_rtt", CTLTYPE_INT|CTLFLAG_RW,
1665             &SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sysctl_sctp_check,
1666             SCTPCTL_RTTVAR_RTT_DESC);
1667
1668         sysctl_add_oid(&sysctl_oid_top, "rttvar_eqret", CTLTYPE_INT|CTLFLAG_RW,
1669             &SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sysctl_sctp_check,
1670             SCTPCTL_RTTVAR_EQRET_DESC);
1671
1672         sysctl_add_oid(&sysctl_oid_top, "rttvar_steady_step", CTLTYPE_INT|CTLFLAG_RW,
1673             &SCTP_BASE_SYSCTL(sctp_steady_step), 0, sysctl_sctp_check,
1674             SCTPCTL_RTTVAR_STEADYS_DESC);
1675
1676         sysctl_add_oid(&sysctl_oid_top, "use_dcccecn", CTLTYPE_INT|CTLFLAG_RW,
1677             &SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sysctl_sctp_check,
1678             SCTPCTL_RTTVAR_DCCCECN_DESC);
1679
1680         sysctl_add_oid(&sysctl_oid_top, "blackhole", CTLTYPE_INT|CTLFLAG_RW,
1681                        &SCTP_BASE_SYSCTL(sctp_blackhole), 0, sysctl_sctp_check,
1682                        SCTPCTL_BLACKHOLE_DESC);
1683
1684         sysctl_add_oid(&sysctl_oid_top, "diag_info_code", CTLTYPE_INT|CTLFLAG_RW,
1685                        &SCTP_BASE_SYSCTL(sctp_diag_info_code), 0, sysctl_sctp_check,
1686                        SCTPCTL_DIAG_INFO_CODE_DESC);
1687
1688 #ifdef SCTP_DEBUG
1689         sysctl_add_oid(&sysctl_oid_top, "debug", CTLTYPE_INT|CTLFLAG_RW,
1690             &SCTP_BASE_SYSCTL(sctp_debug_on), sizeof(SCTP_BASE_SYSCTL(sctp_debug_on)), NULL,
1691             SCTPCTL_DEBUG_DESC);
1692 #endif /* SCTP_DEBUG */
1693
1694         sysctl_add_oid(&sysctl_oid_top, "stats", CTLTYPE_STRUCT|CTLFLAG_RW,
1695             &SCTP_BASE_STATS, sizeof(SCTP_BASE_STATS), NULL,
1696             "SCTP statistics (struct sctp_stat)");
1697
1698         sysctl_add_oid(&sysctl_oid_top, "assoclist", CTLTYPE_STRUCT|CTLFLAG_RD,
1699             NULL, 0, sctp_assoclist,
1700             "List of active SCTP associations");
1701 }
1702 #endif
1703 #endif