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 271221 2014-09-07 09:06:26Z 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 #include <sys/sysctl.h>
  48 #endif
  49 #if defined(__APPLE__)
  50 #include <netinet/sctp_bsd_addr.h>
  51 #endif
  52
  53 #ifdef __FreeBSD__
  54 FEATURE(sctp, "Stream Control Transmission Protocol");
  55 #endif
  56
  57 /*
  58  * sysctl tunable variables
  59  */
  60
  61 void
  62 sctp_init_sysctls()
  63 {
  64         SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT;
  65         SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT;
  66         SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT;
  67         SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT;
  68         SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT;
  69         SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT;
  70         SCTP_BASE_SYSCTL(sctp_auth_enable) = SCTPCTL_AUTH_ENABLE_DEFAULT;
  71         SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT;
  72         SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT;
  73         SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT;
  74         SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT;
  75         SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT;
  76 #if !(defined(__FreeBSD__) && __FreeBSD_version >= 800000)
  77 #if !defined(SCTP_WITH_NO_CSUM)
  78         SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT;
  79 #endif
  80 #endif
  81         SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT;
  82         SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT;
  83         SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT;
  84         SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT;
  85         SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
  86         SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
  87         SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT;
  88         SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
  89         SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT;
  90         SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT;
  91         SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT;
  92         SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT;
  93         SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT;
  94         SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT;
  95         SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT;
  96         SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT;
  97         SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT;
  98         SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT;
  99         SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT;
 100         SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT;
 101         SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT;
 102         SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT;
 103         SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT;
 104         SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT;
 105         SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT;
 106         SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT;
 107         SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT;
 108         SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT;
 109         SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT;
 110         SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT;
 111         SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT;
 112         SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT;
 113         SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT;
 114         SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT;
 115         SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT;
 116         SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT;
 117         SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT;
 118         SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT;
 119         SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT;
 120         SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT;
 121         SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT;
 122         SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT;
 123         SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT;
 124         SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT;
 125         SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT;
 126         SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT;
 127         SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT;
 128         SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT;
 129         SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT;
 130         SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT;
 131         SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT;
 132         SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT;
 133         SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT;
 134         SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT;
 135         SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT;
 136         SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT;
 137 #if defined(SCTP_LOCAL_TRACE_BUF)
 138 #if defined(__Windows__)
 139         /* On Windows, the resource for global variables is limited. */
 140         MALLOC(SCTP_BASE_SYSCTL(sctp_log), struct sctp_log *, sizeof(struct sctp_log), M_SYSCTL, M_ZERO);
 141 #else
 142         memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
 143 #endif
 144 #endif
 145         SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT;
 146         SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT;
 147         SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT;
 148 #if defined(SCTP_DEBUG)
 149         SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT;
 150 #endif
 151 #if defined(__APPLE__)
 152         SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = SCTPCTL_IGNORE_VMWARE_INTERFACES_DEFAULT;
 153         SCTP_BASE_SYSCTL(sctp_main_timer) = SCTPCTL_MAIN_TIMER_DEFAULT;
 154         SCTP_BASE_SYSCTL(sctp_addr_watchdog_limit) = SCTPCTL_ADDR_WATCHDOG_LIMIT_DEFAULT;
 155         SCTP_BASE_SYSCTL(sctp_vtag_watchdog_limit) = SCTPCTL_VTAG_WATCHDOG_LIMIT_DEFAULT;
 156 #endif
 157 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
 158         SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT;
 159 #endif
 160 }
 161
 162 #if defined(__Windows__)
 163 void
 164 sctp_finish_sysctls()
 165 {
 166 #if defined(SCTP_LOCAL_TRACE_BUF)
 167         if (SCTP_BASE_SYSCTL(sctp_log) != NULL) {
 168                 FREE(SCTP_BASE_SYSCTL(sctp_log), M_SYSCTL);
 169                 SCTP_BASE_SYSCTL(sctp_log) = NULL;
 170         }
 171 #endif
 172 }
 173 #endif
 174
 175 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__Windows__)
 176 /* It returns an upper limit. No filtering is done here */
 177 static unsigned int
 178 sctp_sysctl_number_of_addresses(struct sctp_inpcb *inp)
 179 {
 180         unsigned int cnt;
 181         struct sctp_vrf *vrf;
 182         struct sctp_ifn *sctp_ifn;
 183         struct sctp_ifa *sctp_ifa;
 184         struct sctp_laddr *laddr;
 185
 186         cnt = 0;
 187         /* neither Mac OS X nor FreeBSD support mulitple routing functions */
 188         if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
 189                 return (0);
 190         }
 191         if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
 192                 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
 193                         LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
 194                                 switch (sctp_ifa->address.sa.sa_family) {
 195 #ifdef INET
 196                                 case AF_INET:
 197 #endif
 198 #ifdef INET6
 199                                 case AF_INET6:
 200 #endif
 201                                         cnt++;
 202                                         break;
 203                                 default:
 204                                         break;
 205                                 }
 206                         }
 207                 }
 208         } else {
 209                 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
 210                         switch (laddr->ifa->address.sa.sa_family) {
 211 #ifdef INET
 212                         case AF_INET:
 213 #endif
 214 #ifdef INET6
 215                         case AF_INET6:
 216 #endif
 217                                 cnt++;
 218                                 break;
 219                         default:
 220                                 break;
 221                         }
 222                 }
 223         }
 224         return (cnt);
 225 }
 226
 227 static int
 228 sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req)
 229 {
 230         struct sctp_ifn *sctp_ifn;
 231         struct sctp_ifa *sctp_ifa;
 232         int loopback_scope, ipv4_local_scope, local_scope, site_scope;
 233         int ipv4_addr_legal, ipv6_addr_legal;
 234 #if defined(__Userspace__)
 235         int conn_addr_legal;
 236 #endif
 237         struct sctp_vrf *vrf;
 238         struct xsctp_laddr xladdr;
 239         struct sctp_laddr *laddr;
 240         int error;
 241
 242         /* Turn on all the appropriate scope */
 243         if (stcb) {
 244                 /* use association specific values */
 245                 loopback_scope = stcb->asoc.scope.loopback_scope;
 246                 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
 247                 local_scope = stcb->asoc.scope.local_scope;
 248                 site_scope = stcb->asoc.scope.site_scope;
 249                 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
 250                 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
 251 #if defined(__Userspace__)
 252                 conn_addr_legal = stcb->asoc.scope.conn_addr_legal;
 253 #endif
 254         } else {
 255                 /* Use generic values for endpoints. */
 256                 loopback_scope = 1;
 257                 ipv4_local_scope = 1;
 258                 local_scope = 1;
 259                 site_scope = 1;
 260                 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
 261                         ipv6_addr_legal = 1;
 262                         if (SCTP_IPV6_V6ONLY(inp)) {
 263                                 ipv4_addr_legal = 0;
 264                         } else {
 265                                 ipv4_addr_legal = 1;
 266                         }
 267 #if defined(__Userspace__)
 268                         conn_addr_legal = 0;
 269 #endif
 270                 } else {
 271                         ipv6_addr_legal = 0;
 272 #if defined(__Userspace__)
 273                         if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) {
 274                                 conn_addr_legal = 1;
 275                                 ipv4_addr_legal = 0;
 276                         } else {
 277                                 conn_addr_legal = 0;
 278                                 ipv4_addr_legal = 1;
 279                         }
 280 #else
 281                         ipv4_addr_legal = 1;
 282 #endif
 283                 }
 284         }
 285
 286         /* neither Mac OS X nor FreeBSD support mulitple routing functions */
 287         if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
 288                 SCTP_INP_RUNLOCK(inp);
 289                 SCTP_INP_INFO_RUNLOCK();
 290                 return (-1);
 291         }
 292         if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
 293                 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
 294                         if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn))
 295                                 /* Skip loopback if loopback_scope not set */
 296                                 continue;
 297                         LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
 298                                 if (stcb) {
 299                                         /*
 300                                          * ignore if blacklisted at
 301                                          * association level
 302                                          */
 303                                         if (sctp_is_addr_restricted(stcb, sctp_ifa))
 304                                                 continue;
 305                                 }
 306                                 switch (sctp_ifa->address.sa.sa_family) {
 307 #ifdef INET
 308                                 case AF_INET:
 309                                         if (ipv4_addr_legal) {
 310                                                 struct sockaddr_in *sin;
 311
 312                                                 sin = &sctp_ifa->address.sin;
 313                                                 if (sin->sin_addr.s_addr == 0)
 314                                                         continue;
 315 #if defined(__FreeBSD__)
 316                                                 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
 317                                                                      &sin->sin_addr) != 0) {
 318                                                         continue;
 319                                                 }
 320 #endif
 321                                                 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)))
 322                                                         continue;
 323                                         } else {
 324                                                 continue;
 325                                         }
 326                                         break;
 327 #endif
 328 #ifdef INET6
 329                                 case AF_INET6:
 330                                         if (ipv6_addr_legal) {
 331                                                 struct sockaddr_in6 *sin6;
 332
 333 #if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME)
 334                                                 struct sockaddr_in6 lsa6;
 335 #endif
 336                                                 sin6 = &sctp_ifa->address.sin6;
 337                                                 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))
 338                                                         continue;
 339 #if defined(__FreeBSD__)
 340                                                 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
 341                                                                      &sin6->sin6_addr) != 0) {
 342                                                         continue;
 343                                                 }
 344 #endif
 345                                                 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
 346                                                         if (local_scope == 0)
 347                                                                 continue;
 348 #if defined(SCTP_EMBEDDED_V6_SCOPE)
 349                                                         if (sin6->sin6_scope_id == 0) {
 350 #ifdef SCTP_KAME
 351                                                                 /* bad link local address */
 352                                                                 if (sa6_recoverscope(sin6) != 0)
 353                                                                         continue;
 354 #else
 355                                                                 lsa6 = *sin6;
 356                                                                 /* bad link local address */
 357                                                                 if (in6_recoverscope(&lsa6, &lsa6.sin6_addr, NULL))
 358                                                                         continue;
 359                                                                 sin6 = &lsa6;
 360 #endif  /* SCTP_KAME */
 361                                                         }
 362 #endif /* SCTP_EMBEDDED_V6_SCOPE */
 363                                                 }
 364                                                 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)))
 365                                                         continue;
 366                                         } else {
 367                                                 continue;
 368                                         }
 369                                         break;
 370 #endif
 371 #if defined(__Userspace__)
 372                                 case AF_CONN:
 373                                         if (!conn_addr_legal) {
 374                                                 continue;
 375                                         }
 376                                         break;
 377 #endif
 378                                 default:
 379                                         continue;
 380                                 }
 381                                 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
 382                                 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore));
 383                                 SCTP_INP_RUNLOCK(inp);
 384                                 SCTP_INP_INFO_RUNLOCK();
 385                                 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
 386                                 if (error) {
 387                                         return (error);
 388                                 } else {
 389                                         SCTP_INP_INFO_RLOCK();
 390                                         SCTP_INP_RLOCK(inp);
 391                                 }
 392                         }
 393                 }
 394         } else {
 395                 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
 396                         /* ignore if blacklisted at association level */
 397                         if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa))
 398                                 continue;
 399                         memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
 400                         memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore));
 401                         xladdr.start_time.tv_sec = (uint32_t)laddr->start_time.tv_sec;
 402                         xladdr.start_time.tv_usec = (uint32_t)laddr->start_time.tv_usec;
 403                         SCTP_INP_RUNLOCK(inp);
 404                         SCTP_INP_INFO_RUNLOCK();
 405                         error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
 406                         if (error) {
 407                                 return (error);
 408                         } else {
 409                                 SCTP_INP_INFO_RLOCK();
 410                                 SCTP_INP_RLOCK(inp);
 411                         }
 412                 }
 413         }
 414         memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
 415         xladdr.last = 1;
 416         SCTP_INP_RUNLOCK(inp);
 417         SCTP_INP_INFO_RUNLOCK();
 418         error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
 419
 420         if (error) {
 421                 return (error);
 422         } else {
 423                 SCTP_INP_INFO_RLOCK();
 424                 SCTP_INP_RLOCK(inp);
 425                 return (0);
 426         }
 427 }
 428
 429 /*
 430  * sysctl functions
 431  */
 432 #if defined(__APPLE__)
 433 static int
 434 sctp_sysctl_handle_assoclist SYSCTL_HANDLER_ARGS
 435 {
 436 #pragma unused(oidp, arg1, arg2)
 437 #else
 438 static int
 439 sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS)
 440 {
 441 #endif
 442         unsigned int number_of_endpoints;
 443         unsigned int number_of_local_addresses;
 444         unsigned int number_of_associations;
 445         unsigned int number_of_remote_addresses;
 446         unsigned int n;
 447         int error;
 448         struct sctp_inpcb *inp;
 449         struct sctp_tcb *stcb;
 450         struct sctp_nets *net;
 451         struct xsctp_inpcb xinpcb;
 452         struct xsctp_tcb xstcb;
 453         struct xsctp_raddr xraddr;
 454         struct socket *so;
 455
 456         number_of_endpoints = 0;
 457         number_of_local_addresses = 0;
 458         number_of_associations = 0;
 459         number_of_remote_addresses = 0;
 460
 461         SCTP_INP_INFO_RLOCK();
 462 #if defined(__APPLE__)
 463         if (req->oldptr == USER_ADDR_NULL) {
 464 #else
 465         if (req->oldptr == NULL) {
 466 #endif
 467                 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
 468                         SCTP_INP_RLOCK(inp);
 469                         number_of_endpoints++;
 470                         number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
 471                         LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
 472                                 number_of_associations++;
 473                                 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
 474                                 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
 475                                         number_of_remote_addresses++;
 476                                 }
 477                         }
 478                         SCTP_INP_RUNLOCK(inp);
 479                 }
 480                 SCTP_INP_INFO_RUNLOCK();
 481                 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) +
 482                     (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) +
 483                     (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) +
 484                     (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr);
 485
 486                 /* request some more memory than needed */
 487 #if !defined(__Windows__)
 488                 req->oldidx = (n + n / 8);
 489 #else
 490                 req->dataidx = (n + n / 8);
 491 #endif
 492                 return (0);
 493         }
 494 #if defined(__APPLE__)
 495         if (req->newptr != USER_ADDR_NULL) {
 496 #else
 497         if (req->newptr != NULL) {
 498 #endif
 499                 SCTP_INP_INFO_RUNLOCK();
 500                 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM);
 501                 return (EPERM);
 502         }
 503         LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
 504                 SCTP_INP_RLOCK(inp);
 505                 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {
 506                         /* if its allgone it is being freed - skip it  */
 507                         goto skip;
 508                 }
 509                 xinpcb.last = 0;
 510                 xinpcb.local_port = ntohs(inp->sctp_lport);
 511                 xinpcb.flags = inp->sctp_flags;
 512 #if defined(__FreeBSD__) && __FreeBSD_version < 1000048
 513                 xinpcb.features = (uint32_t)inp->sctp_features;
 514 #else
 515                 xinpcb.features = inp->sctp_features;
 516 #endif
 517                 xinpcb.total_sends = inp->total_sends;
 518                 xinpcb.total_recvs = inp->total_recvs;
 519                 xinpcb.total_nospaces = inp->total_nospaces;
 520                 xinpcb.fragmentation_point = inp->sctp_frag_point;
 521                 so = inp->sctp_socket;
 522                 if ((so == NULL) ||
 523                     (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
 524                         xinpcb.qlen = 0;
 525                         xinpcb.maxqlen = 0;
 526                 } else {
 527                         xinpcb.qlen = so->so_qlen;
 528                         xinpcb.maxqlen = so->so_qlimit;
 529                 }
 530                 SCTP_INP_INCR_REF(inp);
 531                 SCTP_INP_RUNLOCK(inp);
 532                 SCTP_INP_INFO_RUNLOCK();
 533                 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
 534                 if (error) {
 535                         SCTP_INP_DECR_REF(inp);
 536                         return (error);
 537                 }
 538                 SCTP_INP_INFO_RLOCK();
 539                 SCTP_INP_RLOCK(inp);
 540                 error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req);
 541                 if (error) {
 542                         SCTP_INP_DECR_REF(inp);
 543                         return (error);
 544                 }
 545                 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
 546                         SCTP_TCB_LOCK(stcb);
 547                         atomic_add_int(&stcb->asoc.refcnt, 1);
 548                         SCTP_TCB_UNLOCK(stcb);
 549                         xstcb.last = 0;
 550                         xstcb.local_port = ntohs(inp->sctp_lport);
 551                         xstcb.remote_port = ntohs(stcb->rport);
 552                         if (stcb->asoc.primary_destination != NULL)
 553                                 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr;
 554                         xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay;
 555                         xstcb.state = SCTP_GET_STATE(&stcb->asoc);      /* FIXME */
 556 #if defined(__FreeBSD__)
 557 #if __FreeBSD_version >= 800000
 558                         /* 7.0 does not support these */
 559                         xstcb.assoc_id = sctp_get_associd(stcb);
 560                         xstcb.peers_rwnd = stcb->asoc.peers_rwnd;
 561 #endif
 562 #else
 563                         xstcb.assoc_id = sctp_get_associd(stcb);
 564                         xstcb.peers_rwnd = stcb->asoc.peers_rwnd;
 565 #endif
 566                         xstcb.in_streams = stcb->asoc.streamincnt;
 567                         xstcb.out_streams = stcb->asoc.streamoutcnt;
 568                         xstcb.max_nr_retrans = stcb->asoc.overall_error_count;
 569                         xstcb.primary_process = 0; /* not really supported yet */
 570                         xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie;
 571                         xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack;
 572                         xstcb.retransmitted_tsns = stcb->asoc.marked_retrans;
 573                         xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec;
 574                         xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec;
 575                         xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec;
 576                         xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec;
 577                         xstcb.total_sends = stcb->total_sends;
 578                         xstcb.total_recvs = stcb->total_recvs;
 579                         xstcb.local_tag = stcb->asoc.my_vtag;
 580                         xstcb.remote_tag = stcb->asoc.peer_vtag;
 581                         xstcb.initial_tsn = stcb->asoc.init_seq_number;
 582                         xstcb.highest_tsn = stcb->asoc.sending_seq - 1;
 583                         xstcb.cumulative_tsn = stcb->asoc.last_acked_seq;
 584                         xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn;
 585                         xstcb.mtu = stcb->asoc.smallest_mtu;
 586                         xstcb.refcnt = stcb->asoc.refcnt;
 587                         SCTP_INP_RUNLOCK(inp);
 588                         SCTP_INP_INFO_RUNLOCK();
 589                         error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
 590                         if (error) {
 591                                 SCTP_INP_DECR_REF(inp);
 592                                 atomic_subtract_int(&stcb->asoc.refcnt, 1);
 593                                 return (error);
 594                         }
 595                         SCTP_INP_INFO_RLOCK();
 596                         SCTP_INP_RLOCK(inp);
 597                         error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req);
 598                         if (error) {
 599                                 SCTP_INP_DECR_REF(inp);
 600                                 atomic_subtract_int(&stcb->asoc.refcnt, 1);
 601                                 return (error);
 602                         }
 603                         TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
 604                                 xraddr.last = 0;
 605                                 xraddr.address = net->ro._l_addr;
 606                                 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE);
 607                                 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0);
 608                                 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0);
 609                                 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF);
 610                                 xraddr.rto = net->RTO;
 611                                 xraddr.max_path_rtx = net->failure_threshold;
 612                                 xraddr.rtx = net->marked_retrans;
 613                                 xraddr.error_counter = net->error_count;
 614                                 xraddr.cwnd = net->cwnd;
 615                                 xraddr.flight_size = net->flight_size;
 616                                 xraddr.mtu = net->mtu;
 617 #if defined(__FreeBSD__)
 618 #if __FreeBSD_version >= 800000
 619                                 xraddr.rtt = net->rtt / 1000;
 620                                 xraddr.heartbeat_interval = net->heart_beat_delay;
 621 #endif
 622 #else
 623                                 xraddr.rtt = net->rtt / 1000;
 624                                 xraddr.heartbeat_interval = net->heart_beat_delay;
 625 #endif
 626                                 xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec;
 627                                 xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec;
 628                                 SCTP_INP_RUNLOCK(inp);
 629                                 SCTP_INP_INFO_RUNLOCK();
 630                                 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
 631                                 if (error) {
 632                                         SCTP_INP_DECR_REF(inp);
 633                                         atomic_subtract_int(&stcb->asoc.refcnt, 1);
 634                                         return (error);
 635                                 }
 636                                 SCTP_INP_INFO_RLOCK();
 637                                 SCTP_INP_RLOCK(inp);
 638                         }
 639                         atomic_subtract_int(&stcb->asoc.refcnt, 1);
 640                         memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr));
 641                         xraddr.last = 1;
 642                         SCTP_INP_RUNLOCK(inp);
 643                         SCTP_INP_INFO_RUNLOCK();
 644                         error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
 645                         if (error) {
 646                                 SCTP_INP_DECR_REF(inp);
 647                                 return (error);
 648                         }
 649                         SCTP_INP_INFO_RLOCK();
 650                         SCTP_INP_RLOCK(inp);
 651                 }
 652                 SCTP_INP_DECR_REF(inp);
 653                 SCTP_INP_RUNLOCK(inp);
 654                 SCTP_INP_INFO_RUNLOCK();
 655                 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb));
 656                 xstcb.last = 1;
 657                 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
 658                 if (error) {
 659                         return (error);
 660                 }
 661 skip:
 662                 SCTP_INP_INFO_RLOCK();
 663         }
 664         SCTP_INP_INFO_RUNLOCK();
 665
 666         memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb));
 667         xinpcb.last = 1;
 668         error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
 669         return (error);
 670 }
 671
 672 #if defined(__APPLE__)
 673 static int
 674 sctp_sysctl_handle_udp_tunneling SYSCTL_HANDLER_ARGS
 675 {
 676 #pragma unused(arg1, arg2)
 677 #else
 678 static int
 679 sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS)
 680 {
 681 #endif
 682         int error;
 683         uint32_t old, new;
 684
 685         SCTP_INP_INFO_RLOCK();
 686         old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port);
 687         SCTP_INP_INFO_RUNLOCK();
 688         new = old;
 689 #if defined(__FreeBSD__) && __FreeBSD_version >= 800056 && __FreeBSD_version < 1000100
 690 #ifdef VIMAGE
 691         error = vnet_sysctl_handle_int(oidp, &new, 0, req);
 692 #else
 693         error = sysctl_handle_int(oidp, &new, 0, req);
 694 #endif
 695 #else
 696         error = sysctl_handle_int(oidp, &new, 0, req);
 697 #endif
 698         if ((error == 0) &&
 699 #if defined (__APPLE__)
 700             (req->newptr != USER_ADDR_NULL)) {
 701 #else
 702             (req->newptr != NULL)) {
 703 #endif
 704 #if defined(__Windows__)
 705                 SCTP_INP_INFO_WLOCK();
 706                 sctp_over_udp_restart();
 707                 SCTP_INP_INFO_WUNLOCK();
 708 #else
 709                 if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) ||
 710                     (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) {
 711                         error = EINVAL;
 712                 } else {
 713                         SCTP_INP_INFO_WLOCK();
 714                         SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new;
 715                         if (old != 0) {
 716                                 sctp_over_udp_stop();
 717                         }
 718                         if (new != 0) {
 719                                 error = sctp_over_udp_start();
 720                         }
 721                         SCTP_INP_INFO_WUNLOCK();
 722                 }
 723 #endif
 724         }
 725         return (error);
 726 }
 727
 728 #if defined(__APPLE__)
 729 int sctp_is_vmware_interface(struct ifnet *);
 730
 731 static int
 732 sctp_sysctl_handle_vmware_interfaces SYSCTL_HANDLER_ARGS
 733 {
 734 #pragma unused(arg1, arg2)
 735         int error;
 736         uint32_t old, new;
 737
 738         old = SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces);
 739         new = old;
 740         error = sysctl_handle_int(oidp, &new, 0, req);
 741         if ((error == 0) && (req->newptr != USER_ADDR_NULL)) {
 742                 if ((new < SCTPCTL_IGNORE_VMWARE_INTERFACES_MIN) ||
 743                     (new > SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX)) {
 744                         error = EINVAL;
 745                 } else {
 746                         if ((old == 1) && (new == 0)) {
 747                                 sctp_add_or_del_interfaces(sctp_is_vmware_interface, 1);
 748                         }
 749                         if ((old == 0) && (new == 1)) {
 750                                 sctp_add_or_del_interfaces(sctp_is_vmware_interface, 0);
 751                         }
 752                         if (old != new) {
 753                                 SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = new;
 754                         }
 755                 }
 756         }
 757         return (error);
 758 }
 759 #endif
 760
 761 #if defined(__APPLE__)
 762 static int
 763 sctp_sysctl_handle_auth SYSCTL_HANDLER_ARGS
 764 {
 765 #pragma unused(arg1, arg2)
 766 #else
 767 static int
 768 sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS)
 769 {
 770 #endif
 771         int error;
 772         uint32_t new;
 773
 774         new = SCTP_BASE_SYSCTL(sctp_auth_enable);
 775 #if defined(__FreeBSD__) && __FreeBSD_version >= 800056 && __FreeBSD_version < 1000100
 776 #ifdef VIMAGE
 777         error = vnet_sysctl_handle_int(oidp, &new, 0, req);
 778 #else
 779         error = sysctl_handle_int(oidp, &new, 0, req);
 780 #endif
 781 #else
 782         error = sysctl_handle_int(oidp, &new, 0, req);
 783 #endif
 784         if ((error == 0) &&
 785 #if defined (__APPLE__)
 786             (req->newptr != USER_ADDR_NULL)) {
 787 #else
 788             (req->newptr != NULL)) {
 789 #endif
 790                 if ((new < SCTPCTL_AUTH_ENABLE_MIN) ||
 791                     (new > SCTPCTL_AUTH_ENABLE_MAX) ||
 792                     ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) {
 793                         error = EINVAL;
 794                 } else {
 795                         SCTP_BASE_SYSCTL(sctp_auth_enable) = new;
 796                 }
 797         }
 798         return (error);
 799 }
 800
 801 #if defined(__APPLE__)
 802 static int
 803 sctp_sysctl_handle_asconf SYSCTL_HANDLER_ARGS
 804 {
 805 #pragma unused(arg1, arg2)
 806 #else
 807 static int
 808 sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS)
 809 {
 810 #endif
 811         int error;
 812         uint32_t new;
 813
 814         new = SCTP_BASE_SYSCTL(sctp_asconf_enable);
 815 #if defined(__FreeBSD__) && __FreeBSD_version >= 800056 && __FreeBSD_version < 1000100
 816 #ifdef VIMAGE
 817         error = vnet_sysctl_handle_int(oidp, &new, 0, req);
 818 #else
 819         error = sysctl_handle_int(oidp, &new, 0, req);
 820 #endif
 821 #else
 822         error = sysctl_handle_int(oidp, &new, 0, req);
 823 #endif
 824         if ((error == 0) &&
 825 #if defined (__APPLE__)
 826             (req->newptr != USER_ADDR_NULL)) {
 827 #else
 828             (req->newptr != NULL)) {
 829 #endif
 830                 if ((new < SCTPCTL_ASCONF_ENABLE_MIN) ||
 831                     (new > SCTPCTL_ASCONF_ENABLE_MAX) ||
 832                     ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) {
 833                         error = EINVAL;
 834                 } else {
 835                         SCTP_BASE_SYSCTL(sctp_asconf_enable) = new;
 836                 }
 837         }
 838         return (error);
 839 }
 840
 841 #if defined(__APPLE__)
 842 static int
 843 sctp_sysctl_handle_stats SYSCTL_HANDLER_ARGS
 844 {
 845 #pragma unused(oidp, arg1, arg2)
 846 #else
 847 static int
 848 sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS)
 849 {
 850 #endif
 851         int error;
 852 #if defined(__FreeBSD__)
 853 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
 854         int cpu;
 855         struct sctpstat sb, *sarry;
 856 #endif
 857 #endif
 858
 859 #if defined (__APPLE__)
 860         if ((req->newptr != USER_ADDR_NULL) &&
 861 #else
 862         if ((req->newptr != NULL) &&
 863 #endif
 864             (req->newlen != sizeof(struct sctpstat))) {
 865                 return (EINVAL);
 866         }
 867 #if defined(__FreeBSD__)
 868 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
 869         memset(&sb, 0, sizeof(struct sctpstat));
 870         for (cpu = 0; cpu < mp_maxid; cpu++) {
 871                 sarry = &SCTP_BASE_STATS[cpu];
 872                 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) {
 873                         sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec;
 874                         sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec;
 875                 }
 876                 sb.sctps_currestab += sarry->sctps_currestab;
 877                 sb.sctps_activeestab += sarry->sctps_activeestab;
 878                 sb.sctps_restartestab += sarry->sctps_restartestab;
 879                 sb.sctps_collisionestab += sarry->sctps_collisionestab;
 880                 sb.sctps_passiveestab += sarry->sctps_passiveestab;
 881                 sb.sctps_aborted += sarry->sctps_aborted;
 882                 sb.sctps_shutdown += sarry->sctps_shutdown;
 883                 sb.sctps_outoftheblue += sarry->sctps_outoftheblue;
 884                 sb.sctps_checksumerrors += sarry->sctps_checksumerrors;
 885                 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks;
 886                 sb.sctps_outorderchunks += sarry->sctps_outorderchunks;
 887                 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks;
 888                 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks;
 889                 sb.sctps_inorderchunks += sarry->sctps_inorderchunks;
 890                 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks;
 891                 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs;
 892                 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs;
 893                 sb.sctps_outpackets += sarry->sctps_outpackets;
 894                 sb.sctps_inpackets += sarry->sctps_inpackets;
 895                 sb.sctps_recvpackets += sarry->sctps_recvpackets;
 896                 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams;
 897                 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata;
 898                 sb.sctps_recvsacks += sarry->sctps_recvsacks;
 899                 sb.sctps_recvdata += sarry->sctps_recvdata;
 900                 sb.sctps_recvdupdata += sarry->sctps_recvdupdata;
 901                 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat;
 902                 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack;
 903                 sb.sctps_recvecne += sarry->sctps_recvecne;
 904                 sb.sctps_recvauth += sarry->sctps_recvauth;
 905                 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing;
 906                 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid;
 907                 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid;
 908                 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed;
 909                 sb.sctps_recvexpress += sarry->sctps_recvexpress;
 910                 sb.sctps_recvexpressm += sarry->sctps_recvexpressm;
 911                 sb.sctps_recvnocrc += sarry->sctps_recvnocrc;
 912                 sb.sctps_recvswcrc += sarry->sctps_recvswcrc;
 913                 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc;
 914                 sb.sctps_sendpackets += sarry->sctps_sendpackets;
 915                 sb.sctps_sendsacks += sarry->sctps_sendsacks;
 916                 sb.sctps_senddata += sarry->sctps_senddata;
 917                 sb.sctps_sendretransdata += sarry->sctps_sendretransdata;
 918                 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans;
 919                 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans;
 920                 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat;
 921                 sb.sctps_sendecne += sarry->sctps_sendecne;
 922                 sb.sctps_sendauth += sarry->sctps_sendauth;
 923                 sb.sctps_senderrors += sarry->sctps_senderrors;
 924                 sb.sctps_sendnocrc += sarry->sctps_sendnocrc;
 925                 sb.sctps_sendswcrc += sarry->sctps_sendswcrc;
 926                 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc;
 927                 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox;
 928                 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos;
 929                 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda;
 930                 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct;
 931                 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt;
 932                 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt;
 933                 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat;
 934                 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk;
 935                 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf;
 936                 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd;
 937                 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp;
 938                 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw;
 939                 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd;
 940                 sb.sctps_pdrpmark += sarry->sctps_pdrpmark;
 941                 sb.sctps_timoiterator += sarry->sctps_timoiterator;
 942                 sb.sctps_timodata += sarry->sctps_timodata;
 943                 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe;
 944                 sb.sctps_timoinit += sarry->sctps_timoinit;
 945                 sb.sctps_timosack += sarry->sctps_timosack;
 946                 sb.sctps_timoshutdown += sarry->sctps_timoshutdown;
 947                 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat;
 948                 sb.sctps_timocookie += sarry->sctps_timocookie;
 949                 sb.sctps_timosecret += sarry->sctps_timosecret;
 950                 sb.sctps_timopathmtu += sarry->sctps_timopathmtu;
 951                 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack;
 952                 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard;
 953                 sb.sctps_timostrmrst += sarry->sctps_timostrmrst;
 954                 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr;
 955                 sb.sctps_timoasconf += sarry->sctps_timoasconf;
 956                 sb.sctps_timodelprim += sarry->sctps_timodelprim;
 957                 sb.sctps_timoautoclose += sarry->sctps_timoautoclose;
 958                 sb.sctps_timoassockill += sarry->sctps_timoassockill;
 959                 sb.sctps_timoinpkill += sarry->sctps_timoinpkill;
 960                 sb.sctps_hdrops += sarry->sctps_hdrops;
 961                 sb.sctps_badsum += sarry->sctps_badsum;
 962                 sb.sctps_noport += sarry->sctps_noport;
 963                 sb.sctps_badvtag += sarry->sctps_badvtag;
 964                 sb.sctps_badsid += sarry->sctps_badsid;
 965                 sb.sctps_nomem += sarry->sctps_nomem;
 966                 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt;
 967                 sb.sctps_markedretrans += sarry->sctps_markedretrans;
 968                 sb.sctps_naglesent += sarry->sctps_naglesent;
 969                 sb.sctps_naglequeued += sarry->sctps_naglequeued;
 970                 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued;
 971                 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued;
 972                 sb.sctps_windowprobed += sarry->sctps_windowprobed;
 973                 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr;
 974                 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr;
 975                 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt;
 976                 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd;
 977                 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd;
 978                 sb.sctps_vtagexpress += sarry->sctps_vtagexpress;
 979                 sb.sctps_vtagbogus += sarry->sctps_vtagbogus;
 980                 sb.sctps_primary_randry += sarry->sctps_primary_randry;
 981                 sb.sctps_cmt_randry += sarry->sctps_cmt_randry;
 982                 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack;
 983                 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent;
 984                 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags;
 985                 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord;
 986                 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof;
 987                 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort;
 988                 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls;
 989                 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done;
 990                 sb.sctps_read_peeks += sarry->sctps_read_peeks;
 991                 sb.sctps_cached_chk += sarry->sctps_cached_chk;
 992                 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq;
 993                 sb.sctps_left_abandon += sarry->sctps_left_abandon;
 994                 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid;
 995                 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid;
 996                 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over;
 997                 if (req->newptr != NULL) {
 998                         memcpy(sarry, req->newptr, sizeof(struct sctpstat));
 999                 }
1000         }
1001         error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat));
1002 #else
1003         error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
1004 #endif
1005 #else
1006         error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
1007 #endif
1008         return (error);
1009 }
1010
1011 #if defined(SCTP_LOCAL_TRACE_BUF)
1012 #if defined(__APPLE__)
1013 static int
1014 sctp_sysctl_handle_trace_log SYSCTL_HANDLER_ARGS
1015 {
1016 #pragma unused(arg1, arg2, oidp)
1017 #else
1018 static int
1019 sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS)
1020 {
1021 #endif
1022         int error;
1023
1024 #if defined(__Windows__)
1025         error = SYSCTL_OUT(req, SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log));
1026 #else
1027         error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log));
1028 #endif
1029         return (error);
1030 }
1031
1032 #if defined(__APPLE__)
1033 static int
1034 sctp_sysctl_handle_trace_log_clear SYSCTL_HANDLER_ARGS
1035 {
1036 #pragma unused(arg1, arg2, req, oidp)
1037 #else
1038 static int
1039 sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS)
1040 {
1041 #endif
1042         int error = 0;
1043 #if defined(__Windows__)
1044         int value = 0;
1045
1046         if (req->new_data == NULL) {
1047                 return (error);
1048         }
1049         error = SYSCTL_IN(req, &value, sizeof(int));
1050         if (error == 0 && value != 0 && SCTP_BASE_SYSCTL(sctp_log) != NULL) {
1051                 memset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1052         }
1053 #else
1054
1055         memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1056 #endif
1057         return (error);
1058 }
1059 #endif
1060
1061 #if defined(__APPLE__) || defined(__FreeBSD__)
1062 #if defined(__FreeBSD__)
1063 #if __FreeBSD_version >= 800056 && __FreeBSD_version < 1000100
1064 #ifdef VIMAGE
1065 #define SCTP_UINT_SYSCTL(name, var_name, prefix)                        \
1066         static int                                                      \
1067         sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS)              \
1068         {                                                               \
1069                 int error;                                              \
1070                 uint32_t new;                                           \
1071                                                                         \
1072                 new = SCTP_BASE_SYSCTL(var_name);                       \
1073                 error = vnet_sysctl_handle_int(oidp, &new, 0, req);     \
1074                 if ((error == 0) && (req->newptr != NULL)) {            \
1075                         if ((new < prefix##_MIN) ||                     \
1076                             (new > prefix##_MAX)) {                     \
1077                                 error = EINVAL;                         \
1078                         } else {                                        \
1079                                 SCTP_BASE_SYSCTL(var_name) = new;       \
1080                         }                                               \
1081                 }                                                       \
1082                 return (error);                                         \
1083         }                                                               \
1084         SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name,                 \
1085                          CTLTYPE_UINT|CTLFLAG_RW, NULL, 0,              \
1086                          sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC);
1087 #else
1088 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix)                    \
1089         static int                                                      \
1090         sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS)              \
1091         {                                                               \
1092                 int error;                                              \
1093                 uint32_t new;                                           \
1094                                                                         \
1095                 new = SCTP_BASE_SYSCTL(var_name);                       \
1096                 error = sysctl_handle_int(oidp, &new, 0, req);          \
1097                 if ((error == 0) && (req->newptr != NULL)) {            \
1098                         if ((new < prefix##_MIN) ||                     \
1099                             (new > prefix##_MAX)) {                     \
1100                                 error = EINVAL;                         \
1101                         } else {                                        \
1102                                 SCTP_BASE_SYSCTL(var_name) = new;       \
1103                         }                                               \
1104                 }                                                       \
1105                 return (error);                                         \
1106         }                                                               \
1107         SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name,                 \
1108                          CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \
1109                          sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC);
1110 #endif
1111 #else
1112 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix)                    \
1113         static int                                                      \
1114         sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS)              \
1115         {                                                               \
1116                 int error;                                              \
1117                 uint32_t new;                                           \
1118                                                                         \
1119                 new = SCTP_BASE_SYSCTL(var_name);                       \
1120                 error = sysctl_handle_int(oidp, &new, 0, req);          \
1121                 if ((error == 0) && (req->newptr != NULL)) {            \
1122                         if ((new < prefix##_MIN) ||                     \
1123                             (new > prefix##_MAX)) {                     \
1124                                 error = EINVAL;                         \
1125                         } else {                                        \
1126                                 SCTP_BASE_SYSCTL(var_name) = new;       \
1127                         }                                               \
1128                 }                                                       \
1129                 return (error);                                         \
1130         }                                                               \
1131         SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name,                 \
1132                          CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \
1133                          sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC);
1134 #endif
1135 #else
1136 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix)                    \
1137         static int                                                      \
1138         sctp_sysctl_handle_##mib_name(struct sysctl_oid *oidp,          \
1139                                   void *arg1 __attribute__((unused)),   \
1140                                   int arg2 __attribute__((unused)),     \
1141                                   struct sysctl_req *req)               \
1142         {                                                               \
1143                 int error;                                              \
1144                 uint32_t new;                                           \
1145                                                                         \
1146                 new = SCTP_BASE_SYSCTL(var_name);                       \
1147                 error = sysctl_handle_int(oidp, &new, 0, req);          \
1148                 if ((error == 0) && (req->newptr != USER_ADDR_NULL)) {  \
1149                         if ((new < prefix##_MIN) ||                     \
1150                             (new > prefix##_MAX)) {                     \
1151                                 error = EINVAL;                         \
1152                         } else {                                        \
1153                                 SCTP_BASE_SYSCTL(var_name) = new;       \
1154                         }                                               \
1155                 }                                                       \
1156                 return (error);                                         \
1157         }                                                               \
1158         SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name,                 \
1159                     CTLTYPE_INT | CTLFLAG_RW, NULL, 0,                  \
1160                     sctp_sysctl_handle_##mib_name, "I", prefix##_DESC);
1161 #define CTLTYPE_UINT CTLTYPE_INT
1162 #define CTLFLAG_VNET 0
1163 #endif
1164
1165 /*
1166  * sysctl definitions
1167  */
1168
1169 SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM)
1170 SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE)
1171 SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF)
1172 SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE)
1173 SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE)
1174 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1175             NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC);
1176 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1177             NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC);
1178 SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE)
1179 SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE)
1180 SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE)
1181 SCTP_UINT_SYSCTL(strict_sacks, sctp_strict_sacks, SCTPCTL_STRICT_SACKS)
1182 #if defined(__APPLE__)
1183 #if !defined(SCTP_WITH_NO_CSUM)
1184 SCTP_UINT_SYSCTL(loopback_nocsum, sctp_no_csum_on_loopback, SCTPCTL_LOOPBACK_NOCSUM)
1185 #endif
1186 #endif
1187 SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH)
1188 SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST)
1189 SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST)
1190 SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS)
1191 SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE)
1192 SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE)
1193 SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT)
1194 SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE)
1195 SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME)
1196 SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ)
1197 SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE)
1198 SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE)
1199 SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL)
1200 SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME)
1201 SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME)
1202 SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME)
1203 SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX)
1204 SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN)
1205 SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL)
1206 SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX)
1207 SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE)
1208 SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX)
1209 SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX)
1210 SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX)
1211 SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD)
1212 SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT)
1213 SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS)
1214 SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS)
1215 SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF)
1216 SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC)
1217 SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST)
1218 SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY)
1219 SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR)
1220 SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS)
1221 SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN)
1222 SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST)
1223 SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT)
1224 SCTP_UINT_SYSCTL(strict_data_order, sctp_strict_data_order, SCTPCTL_STRICT_DATA_ORDER)
1225 SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL)
1226 SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK)
1227 SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL)
1228 SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE)
1229 SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE)
1230 SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE)
1231 SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE)
1232 SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF)
1233 #if defined(SCTP_LOCAL_TRACE_BUF)
1234 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RD,
1235             NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)");
1236 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET|CTLTYPE_UINT | CTLFLAG_RW,
1237             NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer");
1238 #endif
1239 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1240             NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC);
1241 SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE)
1242 SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS)
1243 SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT)
1244 SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING)
1245 SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND)
1246 SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW)
1247 SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT)
1248 SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET)
1249 SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS)
1250 SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN)
1251 SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE)
1252 SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE)
1253 #ifdef SCTP_DEBUG
1254 SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG)
1255 #endif
1256 #if defined(__APPLE__)
1257 SCTP_UINT_SYSCTL(main_timer, sctp_main_timer, SCTPCTL_MAIN_TIMER)
1258 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ignore_vmware_interfaces, CTLTYPE_UINT|CTLFLAG_RW,
1259             NULL, 0, sctp_sysctl_handle_vmware_interfaces, "IU", SCTPCTL_IGNORE_VMWARE_INTERFACES_DESC);
1260 SCTP_UINT_SYSCTL(addr_watchdog_limit, sctp_addr_watchdog_limit, SCTPCTL_ADDR_WATCHDOG_LIMIT)
1261 SCTP_UINT_SYSCTL(vtag_watchdog_limit, sctp_vtag_watchdog_limit, SCTPCTL_VTAG_WATCHDOG_LIMIT)
1262 #endif
1263 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
1264 SCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED)
1265 #endif
1266 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RW,
1267             NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)");
1268 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET|CTLTYPE_OPAQUE|CTLFLAG_RD,
1269             NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations");
1270
1271 #elif defined(__Windows__)
1272
1273 #define RANGECHK(var, min, max) \
1274         if ((var) < (min)) { (var) = (min); } \
1275         else if ((var) > (max)) { (var) = (max); }
1276
1277 static int
1278 sctp_sysctl_handle_int(SYSCTL_HANDLER_ARGS)
1279 {
1280         int error;
1281
1282         error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
1283         if (error == 0) {
1284                 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX);
1285                 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX);
1286                 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
1287                 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
1288                 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX);
1289                 RANGECHK(SCTP_BASE_SYSCTL(sctp_pr_enable), SCTPCTL_PR_ENABLE_MIN, SCTPCTL_PR_ENABLE_MAX);
1290                 RANGECHK(SCTP_BASE_SYSCTL(sctp_reconfig_enable), SCTPCTL_RECONFIG_ENABLE_MIN, SCTPCTL_RECONFIG_ENABLE_MAX);
1291                 RANGECHK(SCTP_BASE_SYSCTL(sctp_nrsack_enable), SCTPCTL_NRSACK_ENABLE_MIN, SCTPCTL_NRSACK_ENABLE_MAX);
1292                 RANGECHK(SCTP_BASE_SYSCTL(sctp_pktdrop_enable), SCTPCTL_PKTDROP_ENABLE_MIN, SCTPCTL_PKTDROP_ENABLE_MAX);
1293                 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX);
1294 #if !defined(SCTP_WITH_NO_CSUM)
1295                 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX);
1296 #endif
1297                 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX);
1298                 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX);
1299                 RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTPCTL_FRMAXBURST_MAX);
1300                 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX);
1301                 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX);
1302                 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX);
1303                 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX);
1304                 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX);
1305                 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX);
1306                 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX);
1307                 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX);
1308                 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX);
1309                 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX);
1310                 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX);
1311                 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX);
1312                 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX);
1313                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX);
1314                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX);
1315                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX);
1316                 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX);
1317                 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX);
1318                 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX);
1319                 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX);
1320                 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX);
1321                 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, SCTPCTL_PATH_PF_THRESHOLD_MAX);
1322                 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX);
1323                 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), SCTPCTL_INCOMING_STREAMS_MIN, SCTPCTL_INCOMING_STREAMS_MAX);
1324                 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX);
1325                 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX);
1326                 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX);
1327                 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX);
1328                 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX);
1329                 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX);
1330                 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX);
1331                 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX);
1332                 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX);
1333                 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX);
1334                 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX);
1335                 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX);
1336                 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX);
1337                 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX);
1338                 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX);
1339                 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX);
1340                 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX);
1341                 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX);
1342                 RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX);
1343                 RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX);
1344                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_BW_MAX);
1345                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR_RTT_MAX);
1346                 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RTTVAR_EQRET_MAX);
1347                 RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_RTTVAR_STEADYS_MAX);
1348                 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_RTTVAR_DCCCECN_MAX);
1349                 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX);
1350                 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX);
1351                 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX);
1352                 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX);
1353                 RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOLE_MAX);
1354                 RANGECHK(SCTP_BASE_SYSCTL(sctp_diag_info_code), SCTPCTL_DIAG_INFO_CODE_MIN, SCTPCTL_DIAG_INFO_CODE_MAX);
1355 #ifdef SCTP_DEBUG
1356                 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX);
1357 #endif
1358         }
1359         return (error);
1360 }
1361
1362 void
1363 sysctl_setup_sctp(void)
1364 {
1365         sysctl_add_oid(&sysctl_oid_top, "sendspace", CTLTYPE_INT|CTLFLAG_RW,
1366             &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sctp_sysctl_handle_int,
1367             SCTPCTL_MAXDGRAM_DESC);
1368
1369         sysctl_add_oid(&sysctl_oid_top, "recvspace", CTLTYPE_INT|CTLFLAG_RW,
1370            &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sctp_sysctl_handle_int,
1371             SCTPCTL_RECVSPACE_DESC);
1372
1373         sysctl_add_oid(&sysctl_oid_top, "auto_asconf", CTLTYPE_INT|CTLFLAG_RW,
1374             &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sctp_sysctl_handle_int,
1375             SCTPCTL_AUTOASCONF_DESC);
1376
1377         sysctl_add_oid(&sysctl_oid_top, "ecn_enable", CTLTYPE_INT|CTLFLAG_RW,
1378             &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sctp_sysctl_handle_int,
1379             SCTPCTL_ECN_ENABLE_DESC);
1380
1381         sysctl_add_oid(&sysctl_oid_top, "pr_enable", CTLTYPE_INT|CTLFLAG_RW,
1382             &SCTP_BASE_SYSCTL(sctp_pr_enable), 0, sctp_sysctl_handle_int,
1383             SCTPCTL_PR_ENABLE_DESC);
1384
1385         sysctl_add_oid(&sysctl_oid_top, "auth_enable", CTLTYPE_INT|CTLFLAG_RW,
1386             &SCTP_BASE_SYSCTL(sctp_auth_enable), 0, sctp_sysctl_handle_auth,
1387             SCTPCTL_AUTH_ENABLE_DESC);
1388
1389         sysctl_add_oid(&sysctl_oid_top, "asconf_enable", CTLTYPE_INT|CTLFLAG_RW,
1390             &SCTP_BASE_SYSCTL(sctp_asconf_enable), 0, sctp_sysctl_handle_asconf,
1391             SCTPCTL_ASCONF_ENABLE_DESC);
1392
1393         sysctl_add_oid(&sysctl_oid_top, "reconfig_enable", CTLTYPE_INT|CTLFLAG_RW,
1394             &SCTP_BASE_SYSCTL(sctp_reconfig_enable), 0, sctp_sysctl_handle_int,
1395             SCTPCTL_RECONFIG_ENABLE_DESC);
1396
1397         sysctl_add_oid(&sysctl_oid_top, "nrsack_enable", CTLTYPE_INT|CTLFLAG_RW,
1398             &SCTP_BASE_SYSCTL(sctp_nrsack_enable), 0, sctp_sysctl_handle_int,
1399             SCTPCTL_NRSACK_ENABLE_DESC);
1400
1401         sysctl_add_oid(&sysctl_oid_top, "pktdrop_enable", CTLTYPE_INT|CTLFLAG_RW,
1402             &SCTP_BASE_SYSCTL(sctp_pktdrop_enable), 0, sctp_sysctl_handle_int,
1403             SCTPCTL_PKTDROP_ENABLE_DESC);
1404
1405         sysctl_add_oid(&sysctl_oid_top, "strict_sacks", CTLTYPE_INT|CTLFLAG_RW,
1406             &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sctp_sysctl_handle_int,
1407             SCTPCTL_STRICT_SACKS_DESC);
1408
1409 #if !defined(SCTP_WITH_NO_CSUM)
1410         sysctl_add_oid(&sysctl_oid_top, "loopback_nocsum", CTLTYPE_INT|CTLFLAG_RW,
1411             &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sctp_sysctl_handle_int,
1412             SCTPCTL_LOOPBACK_NOCSUM_DESC);
1413 #endif
1414
1415         sysctl_add_oid(&sysctl_oid_top, "peer_chkoh", CTLTYPE_INT|CTLFLAG_RW,
1416             &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sctp_sysctl_handle_int,
1417             SCTPCTL_PEER_CHKOH_DESC);
1418
1419         sysctl_add_oid(&sysctl_oid_top, "maxburst", CTLTYPE_INT|CTLFLAG_RW,
1420             &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sctp_sysctl_handle_int,
1421             SCTPCTL_MAXBURST_DESC);
1422
1423         sysctl_add_oid(&sysctl_oid_top, "fr_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1424             &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sctp_sysctl_handle_int,
1425             SCTPCTL_FRMAXBURST_DESC);
1426
1427         sysctl_add_oid(&sysctl_oid_top, "maxchunks", CTLTYPE_INT|CTLFLAG_RW,
1428             &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sctp_sysctl_handle_int,
1429             SCTPCTL_MAXCHUNKS_DESC);
1430
1431         sysctl_add_oid(&sysctl_oid_top, "tcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1432             &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sctp_sysctl_handle_int,
1433             SCTPCTL_TCBHASHSIZE_DESC);
1434
1435         sysctl_add_oid(&sysctl_oid_top, "pcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1436             &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sctp_sysctl_handle_int,
1437             SCTPCTL_PCBHASHSIZE_DESC);
1438
1439         sysctl_add_oid(&sysctl_oid_top, "min_split_point", CTLTYPE_INT|CTLFLAG_RW,
1440             &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sctp_sysctl_handle_int,
1441             SCTPCTL_MIN_SPLIT_POINT_DESC);
1442
1443         sysctl_add_oid(&sysctl_oid_top, "chunkscale", CTLTYPE_INT|CTLFLAG_RW,
1444             &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sctp_sysctl_handle_int,
1445             SCTPCTL_CHUNKSCALE_DESC);
1446
1447         sysctl_add_oid(&sysctl_oid_top, "delayed_sack_time", CTLTYPE_INT|CTLFLAG_RW,
1448             &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sctp_sysctl_handle_int,
1449             SCTPCTL_DELAYED_SACK_TIME_DESC);
1450
1451         sysctl_add_oid(&sysctl_oid_top, "sack_freq", CTLTYPE_INT|CTLFLAG_RW,
1452             &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sctp_sysctl_handle_int,
1453             SCTPCTL_SACK_FREQ_DESC);
1454
1455         sysctl_add_oid(&sysctl_oid_top, "sys_resource", CTLTYPE_INT|CTLFLAG_RW,
1456             &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sctp_sysctl_handle_int,
1457             SCTPCTL_SYS_RESOURCE_DESC);
1458
1459         sysctl_add_oid(&sysctl_oid_top, "asoc_resource", CTLTYPE_INT|CTLFLAG_RW,
1460             &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sctp_sysctl_handle_int,
1461             SCTPCTL_ASOC_RESOURCE_DESC);
1462
1463         sysctl_add_oid(&sysctl_oid_top, "heartbeat_interval", CTLTYPE_INT|CTLFLAG_RW,
1464             &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sctp_sysctl_handle_int,
1465             SCTPCTL_HEARTBEAT_INTERVAL_DESC);
1466
1467         sysctl_add_oid(&sysctl_oid_top, "pmtu_raise_time", CTLTYPE_INT|CTLFLAG_RW,
1468             &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sctp_sysctl_handle_int,
1469             SCTPCTL_PMTU_RAISE_TIME_DESC);
1470
1471         sysctl_add_oid(&sysctl_oid_top, "shutdown_guard_time", CTLTYPE_INT|CTLFLAG_RW,
1472             &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sctp_sysctl_handle_int,
1473             SCTPCTL_SHUTDOWN_GUARD_TIME_DESC);
1474
1475         sysctl_add_oid(&sysctl_oid_top, "secret_lifetime", CTLTYPE_INT|CTLFLAG_RW,
1476             &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sctp_sysctl_handle_int,
1477             SCTPCTL_SECRET_LIFETIME_DESC);
1478
1479         sysctl_add_oid(&sysctl_oid_top, "rto_max", CTLTYPE_INT|CTLFLAG_RW,
1480             &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sctp_sysctl_handle_int,
1481             SCTPCTL_RTO_MAX_DESC);
1482
1483         sysctl_add_oid(&sysctl_oid_top, "rto_min", CTLTYPE_INT|CTLFLAG_RW,
1484             &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sctp_sysctl_handle_int,
1485             SCTPCTL_RTO_MIN_DESC);
1486
1487         sysctl_add_oid(&sysctl_oid_top, "rto_initial", CTLTYPE_INT|CTLFLAG_RW,
1488             &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sctp_sysctl_handle_int,
1489             SCTPCTL_RTO_INITIAL_DESC);
1490
1491         sysctl_add_oid(&sysctl_oid_top, "init_rto_max", CTLTYPE_INT|CTLFLAG_RW,
1492             &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sctp_sysctl_handle_int,
1493             SCTPCTL_INIT_RTO_MAX_DESC);
1494
1495         sysctl_add_oid(&sysctl_oid_top, "valid_cookie_life", CTLTYPE_INT|CTLFLAG_RW,
1496             &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sctp_sysctl_handle_int,
1497             SCTPCTL_VALID_COOKIE_LIFE_DESC);
1498
1499         sysctl_add_oid(&sysctl_oid_top, "init_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1500             &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sctp_sysctl_handle_int,
1501             SCTPCTL_INIT_RTX_MAX_DESC);
1502
1503         sysctl_add_oid(&sysctl_oid_top, "assoc_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1504             &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sctp_sysctl_handle_int,
1505             SCTPCTL_ASSOC_RTX_MAX_DESC);
1506
1507         sysctl_add_oid(&sysctl_oid_top, "path_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1508             &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sctp_sysctl_handle_int,
1509             SCTPCTL_PATH_RTX_MAX_DESC);
1510
1511         sysctl_add_oid(&sysctl_oid_top, "path_pf_threshold", CTLTYPE_INT|CTLFLAG_RW,
1512             &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sctp_sysctl_handle_int,
1513             SCTPCTL_PATH_PF_THRESHOLD_DESC);
1514
1515         sysctl_add_oid(&sysctl_oid_top, "add_more_on_output", CTLTYPE_INT|CTLFLAG_RW,
1516             &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sctp_sysctl_handle_int,
1517             SCTPCTL_ADD_MORE_ON_OUTPUT_DESC);
1518
1519         sysctl_add_oid(&sysctl_oid_top, "incoming_streams", CTLTYPE_INT|CTLFLAG_RW,
1520             &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sctp_sysctl_handle_int,
1521             SCTPCTL_INCOMING_STREAMS_DESC);
1522
1523         sysctl_add_oid(&sysctl_oid_top, "outgoing_streams", CTLTYPE_INT|CTLFLAG_RW,
1524             &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sctp_sysctl_handle_int,
1525             SCTPCTL_OUTGOING_STREAMS_DESC);
1526
1527         sysctl_add_oid(&sysctl_oid_top, "cmt_on_off", CTLTYPE_INT|CTLFLAG_RW,
1528             &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sctp_sysctl_handle_int,
1529             SCTPCTL_CMT_ON_OFF_DESC);
1530
1531         sysctl_add_oid(&sysctl_oid_top, "cmt_use_dac", CTLTYPE_INT|CTLFLAG_RW,
1532             &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sctp_sysctl_handle_int,
1533             SCTPCTL_CMT_USE_DAC_DESC);
1534
1535         sysctl_add_oid(&sysctl_oid_top, "cwnd_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1536             &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sctp_sysctl_handle_int,
1537             SCTPCTL_CWND_MAXBURST_DESC);
1538
1539         sysctl_add_oid(&sysctl_oid_top, "nat_friendly", CTLTYPE_INT|CTLFLAG_RW,
1540             &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sctp_sysctl_handle_int,
1541             SCTPCTL_NAT_FRIENDLY_DESC);
1542
1543         sysctl_add_oid(&sysctl_oid_top, "abc_l_var", CTLTYPE_INT|CTLFLAG_RW,
1544             &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sctp_sysctl_handle_int,
1545             SCTPCTL_ABC_L_VAR_DESC);
1546
1547         sysctl_add_oid(&sysctl_oid_top, "max_chained_mbufs", CTLTYPE_INT|CTLFLAG_RW,
1548             &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sctp_sysctl_handle_int,
1549             SCTPCTL_MAX_CHAINED_MBUFS_DESC);
1550
1551         sysctl_add_oid(&sysctl_oid_top, "do_sctp_drain", CTLTYPE_INT|CTLFLAG_RW,
1552             &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sctp_sysctl_handle_int,
1553             SCTPCTL_DO_SCTP_DRAIN_DESC);
1554
1555         sysctl_add_oid(&sysctl_oid_top, "hb_max_burst", CTLTYPE_INT|CTLFLAG_RW,
1556             &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sctp_sysctl_handle_int,
1557             SCTPCTL_HB_MAX_BURST_DESC);
1558
1559         sysctl_add_oid(&sysctl_oid_top, "abort_at_limit", CTLTYPE_INT|CTLFLAG_RW,
1560             &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sctp_sysctl_handle_int,
1561             SCTPCTL_ABORT_AT_LIMIT_DESC);
1562
1563         sysctl_add_oid(&sysctl_oid_top, "strict_data_order", CTLTYPE_INT|CTLFLAG_RW,
1564             &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sctp_sysctl_handle_int,
1565             SCTPCTL_STRICT_DATA_ORDER_DESC);
1566
1567         sysctl_add_oid(&sysctl_oid_top, "min_residual", CTLTYPE_INT|CTLFLAG_RW,
1568             &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sctp_sysctl_handle_int,
1569             SCTPCTL_MIN_RESIDUAL_DESC);
1570
1571         sysctl_add_oid(&sysctl_oid_top, "max_retran_chunk", CTLTYPE_INT|CTLFLAG_RW,
1572             &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sctp_sysctl_handle_int,
1573             SCTPCTL_MAX_RETRAN_CHUNK_DESC);
1574
1575         sysctl_add_oid(&sysctl_oid_top, "log_level", CTLTYPE_INT|CTLFLAG_RW,
1576             &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sctp_sysctl_handle_int,
1577             SCTPCTL_LOGGING_LEVEL_DESC);
1578
1579         sysctl_add_oid(&sysctl_oid_top, "default_cc_module", CTLTYPE_INT|CTLFLAG_RW,
1580             &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sctp_sysctl_handle_int,
1581             SCTPCTL_DEFAULT_CC_MODULE_DESC);
1582
1583         sysctl_add_oid(&sysctl_oid_top, "default_ss_module", CTLTYPE_INT|CTLFLAG_RW,
1584             &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sctp_sysctl_handle_int,
1585             SCTPCTL_DEFAULT_SS_MODULE_DESC);
1586
1587         sysctl_add_oid(&sysctl_oid_top, "default_frag_interleave", CTLTYPE_INT|CTLFLAG_RW,
1588             &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sctp_sysctl_handle_int,
1589             SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC);
1590
1591         sysctl_add_oid(&sysctl_oid_top, "mobility_base", CTLTYPE_INT|CTLFLAG_RW,
1592             &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sctp_sysctl_handle_int,
1593             SCTPCTL_MOBILITY_BASE_DESC);
1594
1595         sysctl_add_oid(&sysctl_oid_top, "mobility_fasthandoff", CTLTYPE_INT|CTLFLAG_RW,
1596             &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sctp_sysctl_handle_int,
1597             SCTPCTL_MOBILITY_FASTHANDOFF_DESC);
1598
1599 #if defined(SCTP_LOCAL_TRACE_BUF)
1600         sysctl_add_oid(&sysctl_oid_top, "sctp_log", CTLTYPE_STRUCT|CTLFLAG_RD,
1601             SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log), NULL,
1602             "SCTP logging (struct sctp_log)");
1603
1604         sysctl_add_oid(&sysctl_oid_top, "clear_trace", CTLTYPE_INT|CTLFLAG_WR,
1605             NULL, 0, sctp_sysctl_handle_trace_log_clear,
1606             "Clear SCTP Logging buffer");
1607 #endif
1608
1609         sysctl_add_oid(&sysctl_oid_top, "udp_tunneling_port", CTLTYPE_INT|CTLFLAG_RW,
1610             &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sctp_sysctl_handle_udp_tunneling,
1611             SCTPCTL_UDP_TUNNELING_PORT_DESC);
1612
1613         sysctl_add_oid(&sysctl_oid_top, "enable_sack_immediately", CTLTYPE_INT|CTLFLAG_RW,
1614             &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sctp_sysctl_handle_int,
1615             SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC);
1616
1617         sysctl_add_oid(&sysctl_oid_top, "nat_friendly_init", CTLTYPE_INT|CTLFLAG_RW,
1618             &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sctp_sysctl_handle_int,
1619             SCTPCTL_NAT_FRIENDLY_DESC);
1620
1621         sysctl_add_oid(&sysctl_oid_top, "vtag_time_wait", CTLTYPE_INT|CTLFLAG_RW,
1622             &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sctp_sysctl_handle_int,
1623             SCTPCTL_TIME_WAIT_DESC);
1624
1625         sysctl_add_oid(&sysctl_oid_top, "buffer_splitting", CTLTYPE_INT|CTLFLAG_RW,
1626             &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sctp_sysctl_handle_int,
1627             SCTPCTL_BUFFER_SPLITTING_DESC);
1628
1629         sysctl_add_oid(&sysctl_oid_top, "initial_cwnd", CTLTYPE_INT|CTLFLAG_RW,
1630             &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sctp_sysctl_handle_int,
1631             SCTPCTL_INITIAL_CWND_DESC);
1632
1633         sysctl_add_oid(&sysctl_oid_top, "rttvar_bw", CTLTYPE_INT|CTLFLAG_RW,
1634             &SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sctp_sysctl_handle_int,
1635             SCTPCTL_RTTVAR_BW_DESC);
1636
1637         sysctl_add_oid(&sysctl_oid_top, "rttvar_rtt", CTLTYPE_INT|CTLFLAG_RW,
1638             &SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sctp_sysctl_handle_int,
1639             SCTPCTL_RTTVAR_RTT_DESC);
1640
1641         sysctl_add_oid(&sysctl_oid_top, "rttvar_eqret", CTLTYPE_INT|CTLFLAG_RW,
1642             &SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sctp_sysctl_handle_int,
1643             SCTPCTL_RTTVAR_EQRET_DESC);
1644
1645         sysctl_add_oid(&sysctl_oid_top, "rttvar_steady_step", CTLTYPE_INT|CTLFLAG_RW,
1646             &SCTP_BASE_SYSCTL(sctp_steady_step), 0, sctp_sysctl_handle_int,
1647             SCTPCTL_RTTVAR_STEADYS_DESC);
1648
1649         sysctl_add_oid(&sysctl_oid_top, "use_dcccecn", CTLTYPE_INT|CTLFLAG_RW,
1650             &SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sctp_sysctl_handle_int,
1651             SCTPCTL_RTTVAR_DCCCECN_DESC);
1652
1653         sysctl_add_oid(&sysctl_oid_top, "blackhole", CTLTYPE_INT|CTLFLAG_RW,
1654             &SCTP_BASE_SYSCTL(sctp_blackhole), 0, sctp_sysctl_handle_int,
1655             SCTPCTL_BLACKHOLE_DESC);
1656
1657         sysctl_add_oid(&sysctl_oid_top, "diag_info_code", CTLTYPE_INT|CTLFLAG_RW,
1658             &SCTP_BASE_SYSCTL(sctp_diag_info_code), 0, sctp_sysctl_handle_int,
1659             SCTPCTL_DIAG_INFO_CODE_DESC);
1660
1661 #ifdef SCTP_DEBUG
1662         sysctl_add_oid(&sysctl_oid_top, "debug", CTLTYPE_INT|CTLFLAG_RW,
1663             &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sctp_sysctl_handle_int,
1664             SCTPCTL_DEBUG_DESC);
1665 #endif
1666
1667         sysctl_add_oid(&sysctl_oid_top, "stats", CTLTYPE_STRUCT|CTLFLAG_RW,
1668             &SCTP_BASE_STATS, sizeof(SCTP_BASE_STATS), NULL,
1669             "SCTP statistics (struct sctp_stat)");
1670
1671         sysctl_add_oid(&sysctl_oid_top, "assoclist", CTLTYPE_STRUCT|CTLFLAG_RD,
1672             NULL, 0, sctp_assoclist,
1673             "List of active SCTP associations");
1674 }
1675 #endif
1676 #endif