sctp_sysctl.c (69669B)
1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <netinet/sctp_os.h> 36 #include <netinet/sctp.h> 37 #include <netinet/sctp_constants.h> 38 #include <netinet/sctp_sysctl.h> 39 #include <netinet/sctp_pcb.h> 40 #include <netinet/sctputil.h> 41 #include <netinet/sctp_output.h> 42 #if defined(__FreeBSD__) && !defined(__Userspace__) 43 #include <sys/smp.h> 44 #include <sys/sysctl.h> 45 #endif 46 #if defined(__APPLE__) && !defined(__Userspace__) 47 #include <netinet/sctp_bsd_addr.h> 48 #endif 49 50 #if defined(__FreeBSD__) && !defined(__Userspace__) 51 FEATURE(sctp, "Stream Control Transmission Protocol"); 52 #endif 53 54 /* 55 * sysctl tunable variables 56 */ 57 58 void 59 sctp_init_sysctls(void) 60 { 61 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; 62 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; 63 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; 64 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; 65 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; 66 SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT; 67 SCTP_BASE_SYSCTL(sctp_auth_enable) = SCTPCTL_AUTH_ENABLE_DEFAULT; 68 SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT; 69 SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT; 70 SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT; 71 SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT; 72 #if !(defined(__FreeBSD__) && !defined(__Userspace__)) 73 SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT; 74 #endif 75 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; 76 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; 77 SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT; 78 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; 79 #if defined(__Userspace__) 80 if (SCTP_BASE_SYSCTL(sctp_hashtblsize) == 0) { 81 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 82 } 83 #else 84 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 85 #endif 86 #if defined(__Userspace__) 87 if (SCTP_BASE_SYSCTL(sctp_pcbtblsize) == 0) { 88 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 89 } 90 #else 91 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 92 #endif 93 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; 94 #if defined(__Userspace__) 95 if (SCTP_BASE_SYSCTL(sctp_chunkscale) == 0) { 96 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 97 } 98 #else 99 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 100 #endif 101 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT; 102 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; 103 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; 104 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; 105 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT; 106 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; 107 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT; 108 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; 109 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; 110 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; 111 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; 112 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; 113 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT; 114 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; 115 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; 116 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; 117 SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT; 118 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; 119 SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT; 120 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT; 121 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; 122 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 123 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 124 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 125 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 126 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 127 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 128 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 129 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 130 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 131 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 132 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 133 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 134 SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT; 135 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 136 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 137 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 138 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; 139 SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT; 140 SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT; 141 SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT; 142 SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT; 143 SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT; 144 SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT; 145 SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT; 146 SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT; 147 SCTP_BASE_SYSCTL(sctp_sendall_limit) = SCTPCTL_SENDALL_LIMIT_DEFAULT; 148 SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT; 149 SCTP_BASE_SYSCTL(sctp_ootb_with_zero_cksum) = SCTPCTL_OOTB_WITH_ZERO_CKSUM_DEFAULT; 150 #if defined(SCTP_LOCAL_TRACE_BUF) 151 #if defined(_WIN32) && !defined(__Userspace__) 152 /* On Windows, the resource for global variables is limited. */ 153 MALLOC(SCTP_BASE_SYSCTL(sctp_log), struct sctp_log *, sizeof(struct sctp_log), M_SYSCTL, M_ZERO); 154 #else 155 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 156 #endif 157 #endif 158 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 159 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 160 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT; 161 #if defined(SCTP_DEBUG) 162 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 163 #endif 164 #if defined(__APPLE__) && !defined(__Userspace__) 165 SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = SCTPCTL_IGNORE_VMWARE_INTERFACES_DEFAULT; 166 SCTP_BASE_SYSCTL(sctp_main_timer) = SCTPCTL_MAIN_TIMER_DEFAULT; 167 SCTP_BASE_SYSCTL(sctp_addr_watchdog_limit) = SCTPCTL_ADDR_WATCHDOG_LIMIT_DEFAULT; 168 SCTP_BASE_SYSCTL(sctp_vtag_watchdog_limit) = SCTPCTL_VTAG_WATCHDOG_LIMIT_DEFAULT; 169 #endif 170 #if defined(__APPLE__) && !defined(__Userspace__) 171 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 172 #endif 173 } 174 #if defined(_WIN32) && !defined(__Userspace__) 175 176 void 177 sctp_finish_sysctls() 178 { 179 #if defined(SCTP_LOCAL_TRACE_BUF) 180 if (SCTP_BASE_SYSCTL(sctp_log) != NULL) { 181 FREE(SCTP_BASE_SYSCTL(sctp_log), M_SYSCTL); 182 SCTP_BASE_SYSCTL(sctp_log) = NULL; 183 } 184 #endif 185 } 186 #endif 187 188 #if !defined(__Userspace__) 189 /* It returns an upper limit. No filtering is done here */ 190 static unsigned int 191 sctp_sysctl_number_of_addresses(struct sctp_inpcb *inp) 192 { 193 unsigned int cnt; 194 struct sctp_vrf *vrf; 195 struct sctp_ifn *sctp_ifn; 196 struct sctp_ifa *sctp_ifa; 197 struct sctp_laddr *laddr; 198 199 cnt = 0; 200 /* neither Mac OS X nor FreeBSD support multiple routing functions */ 201 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 202 return (0); 203 } 204 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 205 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 206 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 207 switch (sctp_ifa->address.sa.sa_family) { 208 #ifdef INET 209 case AF_INET: 210 #endif 211 #ifdef INET6 212 case AF_INET6: 213 #endif 214 cnt++; 215 break; 216 default: 217 break; 218 } 219 } 220 } 221 } else { 222 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 223 switch (laddr->ifa->address.sa.sa_family) { 224 #ifdef INET 225 case AF_INET: 226 #endif 227 #ifdef INET6 228 case AF_INET6: 229 #endif 230 cnt++; 231 break; 232 default: 233 break; 234 } 235 } 236 } 237 return (cnt); 238 } 239 240 static int 241 sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 242 { 243 struct sctp_ifn *sctp_ifn; 244 struct sctp_ifa *sctp_ifa; 245 int loopback_scope; 246 #ifdef INET 247 int ipv4_local_scope; 248 int ipv4_addr_legal; 249 #endif 250 #ifdef INET6 251 int local_scope, site_scope; 252 int ipv6_addr_legal; 253 #endif 254 #if defined(__Userspace__) 255 int conn_addr_legal; 256 #endif 257 struct sctp_vrf *vrf; 258 struct xsctp_laddr xladdr; 259 struct sctp_laddr *laddr; 260 int error; 261 262 /* Turn on all the appropriate scope */ 263 if (stcb != NULL) { 264 /* use association specific values */ 265 loopback_scope = stcb->asoc.scope.loopback_scope; 266 #ifdef INET 267 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 268 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 269 #endif 270 #ifdef INET6 271 local_scope = stcb->asoc.scope.local_scope; 272 site_scope = stcb->asoc.scope.site_scope; 273 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 274 #endif 275 #if defined(__Userspace__) 276 conn_addr_legal = stcb->asoc.scope.conn_addr_legal; 277 #endif 278 } else { 279 /* Use generic values for endpoints. */ 280 loopback_scope = 1; 281 #ifdef INET 282 ipv4_local_scope = 1; 283 #endif 284 #ifdef INET6 285 local_scope = 1; 286 site_scope = 1; 287 #endif 288 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 289 #ifdef INET6 290 ipv6_addr_legal = 1; 291 #endif 292 #ifdef INET 293 if (SCTP_IPV6_V6ONLY(inp)) { 294 ipv4_addr_legal = 0; 295 } else { 296 ipv4_addr_legal = 1; 297 } 298 #endif 299 #if defined(__Userspace__) 300 conn_addr_legal = 0; 301 #endif 302 } else { 303 #ifdef INET6 304 ipv6_addr_legal = 0; 305 #endif 306 #if defined(__Userspace__) 307 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) { 308 conn_addr_legal = 1; 309 #ifdef INET 310 ipv4_addr_legal = 0; 311 #endif 312 } else { 313 conn_addr_legal = 0; 314 #ifdef INET 315 ipv4_addr_legal = 1; 316 #endif 317 } 318 #else 319 #ifdef INET 320 ipv4_addr_legal = 1; 321 #endif 322 #endif 323 } 324 } 325 326 /* Neither Mac OS X nor FreeBSD support multiple routing functions. */ 327 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 328 SCTP_INP_RUNLOCK(inp); 329 SCTP_INP_INFO_RUNLOCK(); 330 return (ENOENT); 331 } 332 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 333 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 334 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 335 /* Skip loopback if loopback_scope not set. */ 336 continue; 337 } 338 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 339 if (stcb != NULL) { 340 /* 341 * Ignore if blacklisted at 342 * association level. 343 */ 344 if (sctp_is_addr_restricted(stcb, sctp_ifa)) { 345 continue; 346 } 347 } 348 switch (sctp_ifa->address.sa.sa_family) { 349 #ifdef INET 350 case AF_INET: 351 if (ipv4_addr_legal) { 352 struct sockaddr_in *sin; 353 354 sin = &sctp_ifa->address.sin; 355 if (sin->sin_addr.s_addr == 0) { 356 continue; 357 } 358 #if defined(__FreeBSD__) && !defined(__Userspace__) 359 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 360 &sin->sin_addr) != 0) { 361 continue; 362 } 363 #endif 364 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 365 continue; 366 } 367 } else { 368 continue; 369 } 370 break; 371 #endif 372 #ifdef INET6 373 case AF_INET6: 374 if (ipv6_addr_legal) { 375 struct sockaddr_in6 *sin6; 376 377 sin6 = &sctp_ifa->address.sin6; 378 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 379 continue; 380 } 381 #if defined(__FreeBSD__) && !defined(__Userspace__) 382 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 383 &sin6->sin6_addr) != 0) { 384 continue; 385 } 386 #endif 387 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 388 if (local_scope == 0) { 389 continue; 390 } 391 } 392 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 393 continue; 394 } 395 } else { 396 continue; 397 } 398 break; 399 #endif 400 #if defined(__Userspace__) 401 case AF_CONN: 402 if (!conn_addr_legal) { 403 continue; 404 } 405 break; 406 #endif 407 default: 408 continue; 409 } 410 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 411 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 412 SCTP_INP_RUNLOCK(inp); 413 SCTP_INP_INFO_RUNLOCK(); 414 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 415 if (error != 0) { 416 return (error); 417 } else { 418 SCTP_INP_INFO_RLOCK(); 419 SCTP_INP_RLOCK(inp); 420 } 421 } 422 } 423 } else { 424 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 425 /* ignore if blacklisted at association level */ 426 if (stcb != NULL && sctp_is_addr_restricted(stcb, laddr->ifa)) 427 continue; 428 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 429 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 430 xladdr.start_time.tv_sec = (uint32_t)laddr->start_time.tv_sec; 431 xladdr.start_time.tv_usec = (uint32_t)laddr->start_time.tv_usec; 432 SCTP_INP_RUNLOCK(inp); 433 SCTP_INP_INFO_RUNLOCK(); 434 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 435 if (error != 0) { 436 return (error); 437 } else { 438 SCTP_INP_INFO_RLOCK(); 439 SCTP_INP_RLOCK(inp); 440 } 441 } 442 } 443 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 444 xladdr.last = 1; 445 SCTP_INP_RUNLOCK(inp); 446 SCTP_INP_INFO_RUNLOCK(); 447 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 448 449 if (error != 0) { 450 return (error); 451 } else { 452 SCTP_INP_INFO_RLOCK(); 453 SCTP_INP_RLOCK(inp); 454 return (0); 455 } 456 } 457 458 /* 459 * sysctl functions 460 */ 461 #if defined(__APPLE__) && !defined(__Userspace__) 462 static int 463 sctp_sysctl_handle_assoclist SYSCTL_HANDLER_ARGS 464 { 465 #pragma unused(oidp, arg1, arg2) 466 #else 467 static int 468 sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS) 469 { 470 #endif 471 unsigned int number_of_endpoints; 472 unsigned int number_of_local_addresses; 473 unsigned int number_of_associations; 474 unsigned int number_of_remote_addresses; 475 unsigned int n; 476 int error; 477 struct sctp_inpcb *inp; 478 struct sctp_tcb *stcb; 479 struct sctp_nets *net; 480 struct xsctp_inpcb xinpcb; 481 struct xsctp_tcb xstcb; 482 struct xsctp_raddr xraddr; 483 struct socket *so; 484 485 number_of_endpoints = 0; 486 number_of_local_addresses = 0; 487 number_of_associations = 0; 488 number_of_remote_addresses = 0; 489 490 SCTP_INP_INFO_RLOCK(); 491 #if defined(__APPLE__) && !defined(__Userspace__) 492 if (req->oldptr == USER_ADDR_NULL) { 493 #else 494 if (req->oldptr == NULL) { 495 #endif 496 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 497 SCTP_INP_RLOCK(inp); 498 number_of_endpoints++; 499 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 500 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 501 number_of_associations++; 502 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 503 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 504 number_of_remote_addresses++; 505 } 506 } 507 SCTP_INP_RUNLOCK(inp); 508 } 509 SCTP_INP_INFO_RUNLOCK(); 510 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 511 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 512 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 513 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 514 515 /* request some more memory than needed */ 516 #if !(defined(_WIN32) && !defined(__Userspace__)) 517 req->oldidx = (n + n / 8); 518 #else 519 req->dataidx = (n + n / 8); 520 #endif 521 return (0); 522 } 523 #if defined(__APPLE__) && !defined(__Userspace__) 524 if (req->newptr != USER_ADDR_NULL) { 525 #else 526 if (req->newptr != NULL) { 527 #endif 528 SCTP_INP_INFO_RUNLOCK(); 529 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 530 return (EPERM); 531 } 532 memset(&xinpcb, 0, sizeof(xinpcb)); 533 memset(&xstcb, 0, sizeof(xstcb)); 534 memset(&xraddr, 0, sizeof(xraddr)); 535 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 536 SCTP_INP_RLOCK(inp); 537 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) { 538 /* if its allgone it is being freed - skip it */ 539 goto skip; 540 } 541 xinpcb.last = 0; 542 xinpcb.local_port = ntohs(inp->sctp_lport); 543 xinpcb.flags = inp->sctp_flags; 544 xinpcb.features = inp->sctp_features; 545 xinpcb.total_sends = inp->total_sends; 546 xinpcb.total_recvs = inp->total_recvs; 547 xinpcb.total_nospaces = inp->total_nospaces; 548 xinpcb.fragmentation_point = inp->sctp_frag_point; 549 #if defined(__FreeBSD__) && !defined(__Userspace__) 550 xinpcb.socket = (uintptr_t)inp->sctp_socket; 551 #else 552 xinpcb.socket = inp->sctp_socket; 553 #endif 554 so = inp->sctp_socket; 555 if ((so == NULL) || 556 (!SCTP_IS_LISTENING(inp)) || 557 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 558 xinpcb.qlen = 0; 559 xinpcb.maxqlen = 0; 560 } else { 561 #if defined(__FreeBSD__) && !defined(__Userspace__) 562 xinpcb.qlen = so->sol_qlen; 563 xinpcb.qlen_old = so->sol_qlen > USHRT_MAX ? 564 USHRT_MAX : (uint16_t) so->sol_qlen; 565 xinpcb.maxqlen = so->sol_qlimit; 566 xinpcb.maxqlen_old = so->sol_qlimit > USHRT_MAX ? 567 USHRT_MAX : (uint16_t) so->sol_qlimit; 568 #else 569 xinpcb.qlen = so->so_qlen; 570 xinpcb.maxqlen = so->so_qlimit; 571 #endif 572 } 573 SCTP_INP_INCR_REF(inp); 574 SCTP_INP_RUNLOCK(inp); 575 SCTP_INP_INFO_RUNLOCK(); 576 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 577 if (error) { 578 SCTP_INP_DECR_REF(inp); 579 return (error); 580 } 581 SCTP_INP_INFO_RLOCK(); 582 SCTP_INP_RLOCK(inp); 583 error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req); 584 if (error) { 585 SCTP_INP_DECR_REF(inp); 586 return (error); 587 } 588 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 589 SCTP_TCB_LOCK(stcb); 590 atomic_add_int(&stcb->asoc.refcnt, 1); 591 SCTP_TCB_UNLOCK(stcb); 592 xstcb.last = 0; 593 xstcb.local_port = ntohs(inp->sctp_lport); 594 xstcb.remote_port = ntohs(stcb->rport); 595 if (stcb->asoc.primary_destination != NULL) 596 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 597 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 598 xstcb.state = (uint32_t)sctp_map_assoc_state(stcb->asoc.state); 599 xstcb.assoc_id = sctp_get_associd(stcb); 600 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 601 xstcb.in_streams = stcb->asoc.streamincnt; 602 xstcb.out_streams = stcb->asoc.streamoutcnt; 603 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 604 xstcb.primary_process = 0; /* not really supported yet */ 605 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 606 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 607 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 608 xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec; 609 xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec; 610 xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec; 611 xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec; 612 xstcb.total_sends = stcb->total_sends; 613 xstcb.total_recvs = stcb->total_recvs; 614 xstcb.local_tag = stcb->asoc.my_vtag; 615 xstcb.remote_tag = stcb->asoc.peer_vtag; 616 xstcb.initial_tsn = stcb->asoc.init_seq_number; 617 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 618 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 619 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 620 xstcb.mtu = stcb->asoc.smallest_mtu; 621 xstcb.refcnt = stcb->asoc.refcnt; 622 SCTP_INP_RUNLOCK(inp); 623 SCTP_INP_INFO_RUNLOCK(); 624 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 625 if (error) { 626 SCTP_INP_DECR_REF(inp); 627 atomic_subtract_int(&stcb->asoc.refcnt, 1); 628 return (error); 629 } 630 SCTP_INP_INFO_RLOCK(); 631 SCTP_INP_RLOCK(inp); 632 error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req); 633 if (error) { 634 SCTP_INP_DECR_REF(inp); 635 atomic_subtract_int(&stcb->asoc.refcnt, 1); 636 return (error); 637 } 638 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 639 xraddr.last = 0; 640 xraddr.address = net->ro._l_addr; 641 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 642 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 643 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 644 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF); 645 xraddr.rto = net->RTO; 646 xraddr.max_path_rtx = net->failure_threshold; 647 xraddr.rtx = net->marked_retrans; 648 xraddr.error_counter = net->error_count; 649 xraddr.cwnd = net->cwnd; 650 xraddr.flight_size = net->flight_size; 651 xraddr.mtu = net->mtu; 652 xraddr.rtt = net->rtt / 1000; 653 xraddr.heartbeat_interval = net->heart_beat_delay; 654 xraddr.ssthresh = net->ssthresh; 655 xraddr.encaps_port = net->port; 656 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 657 xraddr.state = SCTP_UNCONFIRMED; 658 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 659 xraddr.state = SCTP_ACTIVE; 660 } else { 661 xraddr.state = SCTP_INACTIVE; 662 } 663 xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec; 664 xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec; 665 SCTP_INP_RUNLOCK(inp); 666 SCTP_INP_INFO_RUNLOCK(); 667 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 668 if (error) { 669 SCTP_INP_DECR_REF(inp); 670 atomic_subtract_int(&stcb->asoc.refcnt, 1); 671 return (error); 672 } 673 SCTP_INP_INFO_RLOCK(); 674 SCTP_INP_RLOCK(inp); 675 } 676 atomic_subtract_int(&stcb->asoc.refcnt, 1); 677 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 678 xraddr.last = 1; 679 SCTP_INP_RUNLOCK(inp); 680 SCTP_INP_INFO_RUNLOCK(); 681 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 682 if (error) { 683 SCTP_INP_DECR_REF(inp); 684 return (error); 685 } 686 SCTP_INP_INFO_RLOCK(); 687 SCTP_INP_RLOCK(inp); 688 } 689 SCTP_INP_DECR_REF(inp); 690 SCTP_INP_RUNLOCK(inp); 691 SCTP_INP_INFO_RUNLOCK(); 692 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 693 xstcb.last = 1; 694 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 695 if (error) { 696 return (error); 697 } 698 skip: 699 SCTP_INP_INFO_RLOCK(); 700 } 701 SCTP_INP_INFO_RUNLOCK(); 702 703 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 704 xinpcb.last = 1; 705 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 706 return (error); 707 } 708 709 #if defined(__APPLE__) && !defined(__Userspace__) 710 static int 711 sctp_sysctl_handle_udp_tunneling SYSCTL_HANDLER_ARGS 712 { 713 #pragma unused(arg1, arg2) 714 #else 715 static int 716 sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS) 717 { 718 #endif 719 int error; 720 uint32_t old, new; 721 722 SCTP_INP_INFO_RLOCK(); 723 old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 724 SCTP_INP_INFO_RUNLOCK(); 725 new = old; 726 error = sysctl_handle_int(oidp, &new, 0, req); 727 if ((error == 0) && 728 #if defined(__APPLE__) && !defined(__Userspace__) 729 (req->newptr != USER_ADDR_NULL)) { 730 #else 731 (req->newptr != NULL)) { 732 #endif 733 #if defined(_WIN32) && !defined(__Userspace__) 734 SCTP_INP_INFO_WLOCK(); 735 sctp_over_udp_restart(); 736 SCTP_INP_INFO_WUNLOCK(); 737 #else 738 #if (SCTPCTL_UDP_TUNNELING_PORT_MIN == 0) 739 if (new > SCTPCTL_UDP_TUNNELING_PORT_MAX) { 740 #else 741 if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) || 742 (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) { 743 #endif 744 error = EINVAL; 745 } else { 746 SCTP_INP_INFO_WLOCK(); 747 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new; 748 if (old != 0) { 749 sctp_over_udp_stop(); 750 } 751 if (new != 0) { 752 error = sctp_over_udp_start(); 753 } 754 SCTP_INP_INFO_WUNLOCK(); 755 } 756 #endif 757 } 758 return (error); 759 } 760 #if defined(__APPLE__) && !defined(__Userspace__) 761 762 int sctp_is_vmware_interface(struct ifnet *); 763 764 static int 765 sctp_sysctl_handle_vmware_interfaces SYSCTL_HANDLER_ARGS 766 { 767 #pragma unused(arg1, arg2) 768 int error; 769 uint32_t old, new; 770 771 old = SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces); 772 new = old; 773 error = sysctl_handle_int(oidp, &new, 0, req); 774 if ((error == 0) && (req->newptr != USER_ADDR_NULL)) { 775 if ((new < SCTPCTL_IGNORE_VMWARE_INTERFACES_MIN) || 776 (new > SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX)) { 777 error = EINVAL; 778 } else { 779 if ((old == 1) && (new == 0)) { 780 sctp_add_or_del_interfaces(sctp_is_vmware_interface, 1); 781 } 782 if ((old == 0) && (new == 1)) { 783 sctp_add_or_del_interfaces(sctp_is_vmware_interface, 0); 784 } 785 if (old != new) { 786 SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = new; 787 } 788 } 789 } 790 return (error); 791 } 792 #endif 793 794 #if defined(__APPLE__) && !defined(__Userspace__) 795 static int 796 sctp_sysctl_handle_auth SYSCTL_HANDLER_ARGS 797 { 798 #pragma unused(arg1, arg2) 799 #else 800 static int 801 sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS) 802 { 803 #endif 804 int error; 805 uint32_t new; 806 807 new = SCTP_BASE_SYSCTL(sctp_auth_enable); 808 error = sysctl_handle_int(oidp, &new, 0, req); 809 if ((error == 0) && 810 #if defined(__APPLE__) && !defined(__Userspace__) 811 (req->newptr != USER_ADDR_NULL)) { 812 #else 813 (req->newptr != NULL)) { 814 #endif 815 #if (SCTPCTL_AUTH_ENABLE_MIN == 0) 816 if ((new > SCTPCTL_AUTH_ENABLE_MAX) || 817 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 818 #else 819 if ((new < SCTPCTL_AUTH_ENABLE_MIN) || 820 (new > SCTPCTL_AUTH_ENABLE_MAX) || 821 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 822 #endif 823 error = EINVAL; 824 } else { 825 SCTP_BASE_SYSCTL(sctp_auth_enable) = new; 826 } 827 } 828 return (error); 829 } 830 831 #if defined(__APPLE__) && !defined(__Userspace__) 832 static int 833 sctp_sysctl_handle_asconf SYSCTL_HANDLER_ARGS 834 { 835 #pragma unused(arg1, arg2) 836 #else 837 static int 838 sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS) 839 { 840 #endif 841 int error; 842 uint32_t new; 843 844 new = SCTP_BASE_SYSCTL(sctp_asconf_enable); 845 error = sysctl_handle_int(oidp, &new, 0, req); 846 if ((error == 0) && 847 #if defined(__APPLE__) && !defined(__Userspace__) 848 (req->newptr != USER_ADDR_NULL)) { 849 #else 850 (req->newptr != NULL)) { 851 #endif 852 #if (SCTPCTL_ASCONF_ENABLE_MIN == 0) 853 if ((new > SCTPCTL_ASCONF_ENABLE_MAX) || 854 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 855 #else 856 if ((new < SCTPCTL_ASCONF_ENABLE_MIN) || 857 (new > SCTPCTL_ASCONF_ENABLE_MAX) || 858 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 859 #endif 860 error = EINVAL; 861 } else { 862 SCTP_BASE_SYSCTL(sctp_asconf_enable) = new; 863 } 864 } 865 return (error); 866 } 867 868 #if defined(__APPLE__) && !defined(__Userspace__) 869 static int 870 sctp_sysctl_handle_stats SYSCTL_HANDLER_ARGS 871 { 872 #pragma unused(oidp, arg1, arg2) 873 #else 874 static int 875 sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS) 876 { 877 #endif 878 int error; 879 #if defined(__FreeBSD__) && !defined(__Userspace__) 880 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 881 struct sctpstat *sarry; 882 struct sctpstat sb; 883 int cpu; 884 #endif 885 struct sctpstat sb_temp; 886 #endif 887 888 #if defined(__APPLE__) && !defined(__Userspace__) 889 if ((req->newptr != USER_ADDR_NULL) && 890 #else 891 if ((req->newptr != NULL) && 892 #endif 893 (req->newlen != sizeof(struct sctpstat))) { 894 return (EINVAL); 895 } 896 #if defined(__FreeBSD__) && !defined(__Userspace__) 897 memset(&sb_temp, 0, sizeof(struct sctpstat)); 898 899 if (req->newptr != NULL) { 900 error = SYSCTL_IN(req, &sb_temp, sizeof(struct sctpstat)); 901 if (error != 0) { 902 return (error); 903 } 904 } 905 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 906 memset(&sb, 0, sizeof(sb)); 907 for (cpu = 0; cpu < mp_maxid; cpu++) { 908 sarry = &SCTP_BASE_STATS[cpu]; 909 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { 910 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; 911 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; 912 } 913 sb.sctps_currestab += sarry->sctps_currestab; 914 sb.sctps_activeestab += sarry->sctps_activeestab; 915 sb.sctps_restartestab += sarry->sctps_restartestab; 916 sb.sctps_collisionestab += sarry->sctps_collisionestab; 917 sb.sctps_passiveestab += sarry->sctps_passiveestab; 918 sb.sctps_aborted += sarry->sctps_aborted; 919 sb.sctps_shutdown += sarry->sctps_shutdown; 920 sb.sctps_outoftheblue += sarry->sctps_outoftheblue; 921 sb.sctps_checksumerrors += sarry->sctps_checksumerrors; 922 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; 923 sb.sctps_outorderchunks += sarry->sctps_outorderchunks; 924 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; 925 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; 926 sb.sctps_inorderchunks += sarry->sctps_inorderchunks; 927 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; 928 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; 929 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; 930 sb.sctps_outpackets += sarry->sctps_outpackets; 931 sb.sctps_inpackets += sarry->sctps_inpackets; 932 sb.sctps_recvpackets += sarry->sctps_recvpackets; 933 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; 934 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; 935 sb.sctps_recvsacks += sarry->sctps_recvsacks; 936 sb.sctps_recvdata += sarry->sctps_recvdata; 937 sb.sctps_recvdupdata += sarry->sctps_recvdupdata; 938 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; 939 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; 940 sb.sctps_recvecne += sarry->sctps_recvecne; 941 sb.sctps_recvauth += sarry->sctps_recvauth; 942 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; 943 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; 944 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; 945 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; 946 sb.sctps_recvexpress += sarry->sctps_recvexpress; 947 sb.sctps_recvexpressm += sarry->sctps_recvexpressm; 948 sb.sctps_recvswcrc += sarry->sctps_recvswcrc; 949 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; 950 sb.sctps_sendpackets += sarry->sctps_sendpackets; 951 sb.sctps_sendsacks += sarry->sctps_sendsacks; 952 sb.sctps_senddata += sarry->sctps_senddata; 953 sb.sctps_sendretransdata += sarry->sctps_sendretransdata; 954 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; 955 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; 956 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; 957 sb.sctps_sendecne += sarry->sctps_sendecne; 958 sb.sctps_sendauth += sarry->sctps_sendauth; 959 sb.sctps_senderrors += sarry->sctps_senderrors; 960 sb.sctps_sendswcrc += sarry->sctps_sendswcrc; 961 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; 962 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; 963 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; 964 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; 965 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; 966 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; 967 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; 968 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; 969 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; 970 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; 971 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; 972 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; 973 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; 974 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; 975 sb.sctps_pdrpmark += sarry->sctps_pdrpmark; 976 sb.sctps_timoiterator += sarry->sctps_timoiterator; 977 sb.sctps_timodata += sarry->sctps_timodata; 978 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; 979 sb.sctps_timoinit += sarry->sctps_timoinit; 980 sb.sctps_timosack += sarry->sctps_timosack; 981 sb.sctps_timoshutdown += sarry->sctps_timoshutdown; 982 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; 983 sb.sctps_timocookie += sarry->sctps_timocookie; 984 sb.sctps_timosecret += sarry->sctps_timosecret; 985 sb.sctps_timopathmtu += sarry->sctps_timopathmtu; 986 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; 987 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; 988 sb.sctps_timostrmrst += sarry->sctps_timostrmrst; 989 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; 990 sb.sctps_timoasconf += sarry->sctps_timoasconf; 991 sb.sctps_timodelprim += sarry->sctps_timodelprim; 992 sb.sctps_timoautoclose += sarry->sctps_timoautoclose; 993 sb.sctps_timoassockill += sarry->sctps_timoassockill; 994 sb.sctps_timoinpkill += sarry->sctps_timoinpkill; 995 sb.sctps_hdrops += sarry->sctps_hdrops; 996 sb.sctps_badsum += sarry->sctps_badsum; 997 sb.sctps_noport += sarry->sctps_noport; 998 sb.sctps_badvtag += sarry->sctps_badvtag; 999 sb.sctps_badsid += sarry->sctps_badsid; 1000 sb.sctps_nomem += sarry->sctps_nomem; 1001 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; 1002 sb.sctps_markedretrans += sarry->sctps_markedretrans; 1003 sb.sctps_naglesent += sarry->sctps_naglesent; 1004 sb.sctps_naglequeued += sarry->sctps_naglequeued; 1005 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; 1006 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; 1007 sb.sctps_windowprobed += sarry->sctps_windowprobed; 1008 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; 1009 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; 1010 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; 1011 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; 1012 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; 1013 sb.sctps_vtagexpress += sarry->sctps_vtagexpress; 1014 sb.sctps_vtagbogus += sarry->sctps_vtagbogus; 1015 sb.sctps_primary_randry += sarry->sctps_primary_randry; 1016 sb.sctps_cmt_randry += sarry->sctps_cmt_randry; 1017 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; 1018 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; 1019 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; 1020 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; 1021 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; 1022 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; 1023 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; 1024 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; 1025 sb.sctps_read_peeks += sarry->sctps_read_peeks; 1026 sb.sctps_cached_chk += sarry->sctps_cached_chk; 1027 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; 1028 sb.sctps_left_abandon += sarry->sctps_left_abandon; 1029 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; 1030 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; 1031 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; 1032 sb.sctps_queue_upd_ecne += sarry->sctps_queue_upd_ecne; 1033 sb.sctps_recvzerocrc += sarry->sctps_recvzerocrc; 1034 sb.sctps_sendzerocrc += sarry->sctps_sendzerocrc; 1035 if (req->newptr != NULL) { 1036 memcpy(sarry, &sb_temp, sizeof(struct sctpstat)); 1037 } 1038 } 1039 error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat)); 1040 #else 1041 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat)); 1042 if (error != 0) { 1043 return (error); 1044 } 1045 if (req->newptr != NULL) { 1046 memcpy(&SCTP_BASE_STATS, &sb_temp, sizeof(struct sctpstat)); 1047 } 1048 #endif 1049 #else 1050 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat)); 1051 #endif 1052 return (error); 1053 } 1054 1055 #if defined(SCTP_LOCAL_TRACE_BUF) 1056 #if defined(__APPLE__) && !defined(__Userspace__) 1057 static int 1058 sctp_sysctl_handle_trace_log SYSCTL_HANDLER_ARGS 1059 { 1060 #pragma unused(arg1, arg2, oidp) 1061 #else 1062 static int 1063 sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS) 1064 { 1065 #endif 1066 int error; 1067 1068 #if defined(_WIN32) && !defined(__Userspace__) 1069 error = SYSCTL_OUT(req, SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log)); 1070 #else 1071 error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log)); 1072 #endif 1073 return (error); 1074 } 1075 1076 #if defined(__APPLE__) && !defined(__Userspace__) 1077 static int 1078 sctp_sysctl_handle_trace_log_clear SYSCTL_HANDLER_ARGS 1079 { 1080 #pragma unused(arg1, arg2, req, oidp) 1081 #else 1082 static int 1083 sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS) 1084 { 1085 #endif 1086 int error = 0; 1087 #if defined(_WIN32) && !defined(__Userspace__) 1088 int value = 0; 1089 1090 if (req->new_data == NULL) { 1091 return (error); 1092 } 1093 error = SYSCTL_IN(req, &value, sizeof(int)); 1094 if (error == 0 && value != 0 && SCTP_BASE_SYSCTL(sctp_log) != NULL) { 1095 memset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 1096 } 1097 #else 1098 1099 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 1100 #endif 1101 return (error); 1102 } 1103 #endif 1104 1105 #if (defined(__APPLE__) || defined(__FreeBSD__)) && !defined(__Userspace__) 1106 #if defined(__FreeBSD__) 1107 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \ 1108 SCTP_UINT_SYSCTL_FLAG(mib_name, var_name, prefix, \ 1109 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW) 1110 1111 #define SCTP_UINT_SYSCTL_TUN(mib_name, var_name, prefix) \ 1112 SCTP_UINT_SYSCTL_FLAG(mib_name, var_name, prefix, \ 1113 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RWTUN|CTLFLAG_NOFETCH) 1114 1115 #define SCTP_UINT_SYSCTL_FLAG(mib_name, var_name, prefix, flags) \ 1116 static int \ 1117 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \ 1118 { \ 1119 int error; \ 1120 uint32_t new; \ 1121 \ 1122 new = SCTP_BASE_SYSCTL(var_name); \ 1123 error = sysctl_handle_int(oidp, &new, 0, req); \ 1124 if ((error == 0) && (req->newptr != NULL)) { \ 1125 if ((new < prefix##_MIN) || \ 1126 (new > prefix##_MAX)) { \ 1127 error = EINVAL; \ 1128 } else { \ 1129 SCTP_BASE_SYSCTL(var_name) = new; \ 1130 } \ 1131 } \ 1132 return (error); \ 1133 } \ 1134 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, flags, NULL, 0, \ 1135 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC) 1136 1137 #define SCTP_UINT_SYSCTL_RDTUN(mib_name, var_name, prefix) \ 1138 SYSCTL_UINT(_net_inet_sctp, OID_AUTO, mib_name, \ 1139 CTLFLAG_VNET|CTLFLAG_RDTUN|CTLFLAG_NOFETCH, \ 1140 &VNET_NAME(system_base_info.sctpsysctl.var_name), 0, \ 1141 prefix##_DESC) 1142 #else 1143 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \ 1144 static int \ 1145 sctp_sysctl_handle_##mib_name(struct sysctl_oid *oidp, \ 1146 void *arg1 __attribute__((unused)), \ 1147 int arg2 __attribute__((unused)), \ 1148 struct sysctl_req *req) \ 1149 { \ 1150 int error; \ 1151 uint32_t new; \ 1152 \ 1153 new = SCTP_BASE_SYSCTL(var_name); \ 1154 error = sysctl_handle_int(oidp, &new, 0, req); \ 1155 if ((error == 0) && (req->newptr != USER_ADDR_NULL)) { \ 1156 if ((new < prefix##_MIN) || \ 1157 (new > prefix##_MAX)) { \ 1158 error = EINVAL; \ 1159 } else { \ 1160 SCTP_BASE_SYSCTL(var_name) = new; \ 1161 } \ 1162 } \ 1163 return (error); \ 1164 } \ 1165 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \ 1166 CTLTYPE_INT | CTLFLAG_RW, NULL, 0, \ 1167 sctp_sysctl_handle_##mib_name, "I", prefix##_DESC) 1168 #define CTLTYPE_UINT CTLTYPE_INT 1169 #define CTLFLAG_VNET 0 1170 #endif 1171 1172 /* 1173 * sysctl definitions 1174 */ 1175 1176 SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM); 1177 SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE); 1178 SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF); 1179 SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE); 1180 SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE); 1181 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, 1182 NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC); 1183 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, 1184 NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC); 1185 SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE); 1186 SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE); 1187 SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE); 1188 #if defined(__APPLE__) && !defined(__Userspace__) 1189 SCTP_UINT_SYSCTL(loopback_nocsum, sctp_no_csum_on_loopback, SCTPCTL_LOOPBACK_NOCSUM); 1190 #endif 1191 SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH); 1192 SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST); 1193 SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST); 1194 SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS); 1195 #if defined(__FreeBSD__) && !defined(__Userspace__) 1196 SCTP_UINT_SYSCTL_RDTUN(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE); 1197 SCTP_UINT_SYSCTL_TUN(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE); 1198 SCTP_UINT_SYSCTL_RDTUN(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE); 1199 #else 1200 SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE); 1201 SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE); 1202 SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE); 1203 #endif 1204 SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT); 1205 SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME); 1206 SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ); 1207 SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE); 1208 SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE); 1209 SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL); 1210 SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME); 1211 SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME); 1212 SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME); 1213 SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX); 1214 SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN); 1215 SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL); 1216 SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX); 1217 SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE); 1218 SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX); 1219 SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX); 1220 SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX); 1221 SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD); 1222 SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT); 1223 SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS); 1224 SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS); 1225 SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF); 1226 SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC); 1227 SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST); 1228 SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY); 1229 SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR); 1230 SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS); 1231 SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN); 1232 SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST); 1233 SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT); 1234 SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL); 1235 SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK); 1236 SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL); 1237 SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE); 1238 SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE); 1239 SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE); 1240 SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE); 1241 SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF); 1242 #if defined(SCTP_LOCAL_TRACE_BUF) 1243 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RD, 1244 NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)"); 1245 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET|CTLTYPE_UINT | CTLFLAG_RW, 1246 NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer"); 1247 #endif 1248 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, 1249 NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC); 1250 SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE); 1251 SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS); 1252 SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT); 1253 SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING); 1254 SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND); 1255 SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW); 1256 SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT); 1257 SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET); 1258 SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS); 1259 SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN); 1260 SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE); 1261 SCTP_UINT_SYSCTL(sendall_limit, sctp_sendall_limit, SCTPCTL_SENDALL_LIMIT); 1262 SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE); 1263 SCTP_UINT_SYSCTL(ootb_with_zero_cksum, sctp_ootb_with_zero_cksum, SCTPCTL_OOTB_WITH_ZERO_CKSUM); 1264 #ifdef SCTP_DEBUG 1265 SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG); 1266 #endif 1267 #if defined(__APPLE__) && !defined(__Userspace__) 1268 SCTP_UINT_SYSCTL(main_timer, sctp_main_timer, SCTPCTL_MAIN_TIMER); 1269 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ignore_vmware_interfaces, CTLTYPE_UINT|CTLFLAG_RW, 1270 NULL, 0, sctp_sysctl_handle_vmware_interfaces, "IU", SCTPCTL_IGNORE_VMWARE_INTERFACES_DESC); 1271 SCTP_UINT_SYSCTL(addr_watchdog_limit, sctp_addr_watchdog_limit, SCTPCTL_ADDR_WATCHDOG_LIMIT); 1272 SCTP_UINT_SYSCTL(vtag_watchdog_limit, sctp_vtag_watchdog_limit, SCTPCTL_VTAG_WATCHDOG_LIMIT); 1273 #endif 1274 #if defined(__APPLE__) && !defined(__Userspace__) 1275 SCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED); 1276 #endif 1277 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RW, 1278 NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)"); 1279 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET|CTLTYPE_OPAQUE|CTLFLAG_RD, 1280 NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations"); 1281 1282 #elif defined(_WIN32) && !defined(__Userspace__) 1283 1284 #define RANGECHK(var, min, max) \ 1285 if ((var) < (min)) { (var) = (min); } \ 1286 else if ((var) > (max)) { (var) = (max); } 1287 1288 static int 1289 sctp_sysctl_handle_int(SYSCTL_HANDLER_ARGS) 1290 { 1291 int error; 1292 1293 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 1294 if (error == 0) { 1295 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX); 1296 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX); 1297 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); 1298 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); 1299 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX); 1300 RANGECHK(SCTP_BASE_SYSCTL(sctp_pr_enable), SCTPCTL_PR_ENABLE_MIN, SCTPCTL_PR_ENABLE_MAX); 1301 RANGECHK(SCTP_BASE_SYSCTL(sctp_reconfig_enable), SCTPCTL_RECONFIG_ENABLE_MIN, SCTPCTL_RECONFIG_ENABLE_MAX); 1302 RANGECHK(SCTP_BASE_SYSCTL(sctp_nrsack_enable), SCTPCTL_NRSACK_ENABLE_MIN, SCTPCTL_NRSACK_ENABLE_MAX); 1303 RANGECHK(SCTP_BASE_SYSCTL(sctp_pktdrop_enable), SCTPCTL_PKTDROP_ENABLE_MIN, SCTPCTL_PKTDROP_ENABLE_MAX); 1304 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX); 1305 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX); 1306 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX); 1307 RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTPCTL_FRMAXBURST_MAX); 1308 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX); 1309 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX); 1310 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX); 1311 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX); 1312 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX); 1313 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX); 1314 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX); 1315 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX); 1316 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX); 1317 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX); 1318 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX); 1319 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX); 1320 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX); 1321 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX); 1322 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX); 1323 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX); 1324 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX); 1325 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX); 1326 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX); 1327 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX); 1328 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX); 1329 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, SCTPCTL_PATH_PF_THRESHOLD_MAX); 1330 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX); 1331 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), SCTPCTL_INCOMING_STREAMS_MIN, SCTPCTL_INCOMING_STREAMS_MAX); 1332 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX); 1333 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX); 1334 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX); 1335 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX); 1336 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 1337 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX); 1338 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX); 1339 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX); 1340 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX); 1341 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX); 1342 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX); 1343 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX); 1344 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX); 1345 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX); 1346 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX); 1347 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX); 1348 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX); 1349 RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX); 1350 RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX); 1351 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_BW_MAX); 1352 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR_RTT_MAX); 1353 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RTTVAR_EQRET_MAX); 1354 RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_RTTVAR_STEADYS_MAX); 1355 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_RTTVAR_DCCCECN_MAX); 1356 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX); 1357 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX); 1358 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX); 1359 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX); 1360 RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOLE_MAX); 1361 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendall_limit), SCTPCTL_SENDALL_LIMIT_MIN, SCTPCTL_SENDALL_LIMIT_MAX); 1362 RANGECHK(SCTP_BASE_SYSCTL(sctp_diag_info_code), SCTPCTL_DIAG_INFO_CODE_MIN, SCTPCTL_DIAG_INFO_CODE_MAX); 1363 RANGECHK(SCTP_BASE_SYSCTL(sctp_ootb_with_zero_cksum), SCTPCTL_OOTB_WITH_ZERO_CKSUM_MIN, SCTPCTL_OOTB_WITH_ZERO_CKSUM_MAX); 1364 #ifdef SCTP_DEBUG 1365 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX); 1366 #endif 1367 } 1368 return (error); 1369 } 1370 1371 void 1372 sysctl_setup_sctp(void) 1373 { 1374 sysctl_add_oid(&sysctl_oid_top, "sendspace", CTLTYPE_INT|CTLFLAG_RW, 1375 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sctp_sysctl_handle_int, 1376 SCTPCTL_MAXDGRAM_DESC); 1377 1378 sysctl_add_oid(&sysctl_oid_top, "recvspace", CTLTYPE_INT|CTLFLAG_RW, 1379 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sctp_sysctl_handle_int, 1380 SCTPCTL_RECVSPACE_DESC); 1381 1382 sysctl_add_oid(&sysctl_oid_top, "auto_asconf", CTLTYPE_INT|CTLFLAG_RW, 1383 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sctp_sysctl_handle_int, 1384 SCTPCTL_AUTOASCONF_DESC); 1385 1386 sysctl_add_oid(&sysctl_oid_top, "ecn_enable", CTLTYPE_INT|CTLFLAG_RW, 1387 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sctp_sysctl_handle_int, 1388 SCTPCTL_ECN_ENABLE_DESC); 1389 1390 sysctl_add_oid(&sysctl_oid_top, "pr_enable", CTLTYPE_INT|CTLFLAG_RW, 1391 &SCTP_BASE_SYSCTL(sctp_pr_enable), 0, sctp_sysctl_handle_int, 1392 SCTPCTL_PR_ENABLE_DESC); 1393 1394 sysctl_add_oid(&sysctl_oid_top, "auth_enable", CTLTYPE_INT|CTLFLAG_RW, 1395 &SCTP_BASE_SYSCTL(sctp_auth_enable), 0, sctp_sysctl_handle_auth, 1396 SCTPCTL_AUTH_ENABLE_DESC); 1397 1398 sysctl_add_oid(&sysctl_oid_top, "asconf_enable", CTLTYPE_INT|CTLFLAG_RW, 1399 &SCTP_BASE_SYSCTL(sctp_asconf_enable), 0, sctp_sysctl_handle_asconf, 1400 SCTPCTL_ASCONF_ENABLE_DESC); 1401 1402 sysctl_add_oid(&sysctl_oid_top, "reconfig_enable", CTLTYPE_INT|CTLFLAG_RW, 1403 &SCTP_BASE_SYSCTL(sctp_reconfig_enable), 0, sctp_sysctl_handle_int, 1404 SCTPCTL_RECONFIG_ENABLE_DESC); 1405 1406 sysctl_add_oid(&sysctl_oid_top, "nrsack_enable", CTLTYPE_INT|CTLFLAG_RW, 1407 &SCTP_BASE_SYSCTL(sctp_nrsack_enable), 0, sctp_sysctl_handle_int, 1408 SCTPCTL_NRSACK_ENABLE_DESC); 1409 1410 sysctl_add_oid(&sysctl_oid_top, "pktdrop_enable", CTLTYPE_INT|CTLFLAG_RW, 1411 &SCTP_BASE_SYSCTL(sctp_pktdrop_enable), 0, sctp_sysctl_handle_int, 1412 SCTPCTL_PKTDROP_ENABLE_DESC); 1413 1414 sysctl_add_oid(&sysctl_oid_top, "loopback_nocsum", CTLTYPE_INT|CTLFLAG_RW, 1415 &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sctp_sysctl_handle_int, 1416 SCTPCTL_LOOPBACK_NOCSUM_DESC); 1417 1418 sysctl_add_oid(&sysctl_oid_top, "peer_chkoh", CTLTYPE_INT|CTLFLAG_RW, 1419 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sctp_sysctl_handle_int, 1420 SCTPCTL_PEER_CHKOH_DESC); 1421 1422 sysctl_add_oid(&sysctl_oid_top, "maxburst", CTLTYPE_INT|CTLFLAG_RW, 1423 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sctp_sysctl_handle_int, 1424 SCTPCTL_MAXBURST_DESC); 1425 1426 sysctl_add_oid(&sysctl_oid_top, "fr_maxburst", CTLTYPE_INT|CTLFLAG_RW, 1427 &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sctp_sysctl_handle_int, 1428 SCTPCTL_FRMAXBURST_DESC); 1429 1430 sysctl_add_oid(&sysctl_oid_top, "maxchunks", CTLTYPE_INT|CTLFLAG_RW, 1431 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sctp_sysctl_handle_int, 1432 SCTPCTL_MAXCHUNKS_DESC); 1433 1434 sysctl_add_oid(&sysctl_oid_top, "tcbhashsize", CTLTYPE_INT|CTLFLAG_RW, 1435 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sctp_sysctl_handle_int, 1436 SCTPCTL_TCBHASHSIZE_DESC); 1437 1438 sysctl_add_oid(&sysctl_oid_top, "pcbhashsize", CTLTYPE_INT|CTLFLAG_RW, 1439 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sctp_sysctl_handle_int, 1440 SCTPCTL_PCBHASHSIZE_DESC); 1441 1442 sysctl_add_oid(&sysctl_oid_top, "min_split_point", CTLTYPE_INT|CTLFLAG_RW, 1443 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sctp_sysctl_handle_int, 1444 SCTPCTL_MIN_SPLIT_POINT_DESC); 1445 1446 sysctl_add_oid(&sysctl_oid_top, "chunkscale", CTLTYPE_INT|CTLFLAG_RW, 1447 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sctp_sysctl_handle_int, 1448 SCTPCTL_CHUNKSCALE_DESC); 1449 1450 sysctl_add_oid(&sysctl_oid_top, "delayed_sack_time", CTLTYPE_INT|CTLFLAG_RW, 1451 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sctp_sysctl_handle_int, 1452 SCTPCTL_DELAYED_SACK_TIME_DESC); 1453 1454 sysctl_add_oid(&sysctl_oid_top, "sack_freq", CTLTYPE_INT|CTLFLAG_RW, 1455 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sctp_sysctl_handle_int, 1456 SCTPCTL_SACK_FREQ_DESC); 1457 1458 sysctl_add_oid(&sysctl_oid_top, "sys_resource", CTLTYPE_INT|CTLFLAG_RW, 1459 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sctp_sysctl_handle_int, 1460 SCTPCTL_SYS_RESOURCE_DESC); 1461 1462 sysctl_add_oid(&sysctl_oid_top, "asoc_resource", CTLTYPE_INT|CTLFLAG_RW, 1463 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sctp_sysctl_handle_int, 1464 SCTPCTL_ASOC_RESOURCE_DESC); 1465 1466 sysctl_add_oid(&sysctl_oid_top, "heartbeat_interval", CTLTYPE_INT|CTLFLAG_RW, 1467 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sctp_sysctl_handle_int, 1468 SCTPCTL_HEARTBEAT_INTERVAL_DESC); 1469 1470 sysctl_add_oid(&sysctl_oid_top, "pmtu_raise_time", CTLTYPE_INT|CTLFLAG_RW, 1471 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sctp_sysctl_handle_int, 1472 SCTPCTL_PMTU_RAISE_TIME_DESC); 1473 1474 sysctl_add_oid(&sysctl_oid_top, "shutdown_guard_time", CTLTYPE_INT|CTLFLAG_RW, 1475 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sctp_sysctl_handle_int, 1476 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC); 1477 1478 sysctl_add_oid(&sysctl_oid_top, "secret_lifetime", CTLTYPE_INT|CTLFLAG_RW, 1479 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sctp_sysctl_handle_int, 1480 SCTPCTL_SECRET_LIFETIME_DESC); 1481 1482 sysctl_add_oid(&sysctl_oid_top, "rto_max", CTLTYPE_INT|CTLFLAG_RW, 1483 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sctp_sysctl_handle_int, 1484 SCTPCTL_RTO_MAX_DESC); 1485 1486 sysctl_add_oid(&sysctl_oid_top, "rto_min", CTLTYPE_INT|CTLFLAG_RW, 1487 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sctp_sysctl_handle_int, 1488 SCTPCTL_RTO_MIN_DESC); 1489 1490 sysctl_add_oid(&sysctl_oid_top, "rto_initial", CTLTYPE_INT|CTLFLAG_RW, 1491 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sctp_sysctl_handle_int, 1492 SCTPCTL_RTO_INITIAL_DESC); 1493 1494 sysctl_add_oid(&sysctl_oid_top, "init_rto_max", CTLTYPE_INT|CTLFLAG_RW, 1495 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sctp_sysctl_handle_int, 1496 SCTPCTL_INIT_RTO_MAX_DESC); 1497 1498 sysctl_add_oid(&sysctl_oid_top, "valid_cookie_life", CTLTYPE_INT|CTLFLAG_RW, 1499 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sctp_sysctl_handle_int, 1500 SCTPCTL_VALID_COOKIE_LIFE_DESC); 1501 1502 sysctl_add_oid(&sysctl_oid_top, "init_rtx_max", CTLTYPE_INT|CTLFLAG_RW, 1503 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sctp_sysctl_handle_int, 1504 SCTPCTL_INIT_RTX_MAX_DESC); 1505 1506 sysctl_add_oid(&sysctl_oid_top, "assoc_rtx_max", CTLTYPE_INT|CTLFLAG_RW, 1507 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sctp_sysctl_handle_int, 1508 SCTPCTL_ASSOC_RTX_MAX_DESC); 1509 1510 sysctl_add_oid(&sysctl_oid_top, "path_rtx_max", CTLTYPE_INT|CTLFLAG_RW, 1511 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sctp_sysctl_handle_int, 1512 SCTPCTL_PATH_RTX_MAX_DESC); 1513 1514 sysctl_add_oid(&sysctl_oid_top, "path_pf_threshold", CTLTYPE_INT|CTLFLAG_RW, 1515 &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sctp_sysctl_handle_int, 1516 SCTPCTL_PATH_PF_THRESHOLD_DESC); 1517 1518 sysctl_add_oid(&sysctl_oid_top, "add_more_on_output", CTLTYPE_INT|CTLFLAG_RW, 1519 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sctp_sysctl_handle_int, 1520 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC); 1521 1522 sysctl_add_oid(&sysctl_oid_top, "incoming_streams", CTLTYPE_INT|CTLFLAG_RW, 1523 &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sctp_sysctl_handle_int, 1524 SCTPCTL_INCOMING_STREAMS_DESC); 1525 1526 sysctl_add_oid(&sysctl_oid_top, "outgoing_streams", CTLTYPE_INT|CTLFLAG_RW, 1527 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sctp_sysctl_handle_int, 1528 SCTPCTL_OUTGOING_STREAMS_DESC); 1529 1530 sysctl_add_oid(&sysctl_oid_top, "cmt_on_off", CTLTYPE_INT|CTLFLAG_RW, 1531 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sctp_sysctl_handle_int, 1532 SCTPCTL_CMT_ON_OFF_DESC); 1533 1534 sysctl_add_oid(&sysctl_oid_top, "cmt_use_dac", CTLTYPE_INT|CTLFLAG_RW, 1535 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sctp_sysctl_handle_int, 1536 SCTPCTL_CMT_USE_DAC_DESC); 1537 1538 sysctl_add_oid(&sysctl_oid_top, "cwnd_maxburst", CTLTYPE_INT|CTLFLAG_RW, 1539 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sctp_sysctl_handle_int, 1540 SCTPCTL_CWND_MAXBURST_DESC); 1541 1542 sysctl_add_oid(&sysctl_oid_top, "nat_friendly", CTLTYPE_INT|CTLFLAG_RW, 1543 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sctp_sysctl_handle_int, 1544 SCTPCTL_NAT_FRIENDLY_DESC); 1545 1546 sysctl_add_oid(&sysctl_oid_top, "abc_l_var", CTLTYPE_INT|CTLFLAG_RW, 1547 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sctp_sysctl_handle_int, 1548 SCTPCTL_ABC_L_VAR_DESC); 1549 1550 sysctl_add_oid(&sysctl_oid_top, "max_chained_mbufs", CTLTYPE_INT|CTLFLAG_RW, 1551 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sctp_sysctl_handle_int, 1552 SCTPCTL_MAX_CHAINED_MBUFS_DESC); 1553 1554 sysctl_add_oid(&sysctl_oid_top, "do_sctp_drain", CTLTYPE_INT|CTLFLAG_RW, 1555 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sctp_sysctl_handle_int, 1556 SCTPCTL_DO_SCTP_DRAIN_DESC); 1557 1558 sysctl_add_oid(&sysctl_oid_top, "hb_max_burst", CTLTYPE_INT|CTLFLAG_RW, 1559 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sctp_sysctl_handle_int, 1560 SCTPCTL_HB_MAX_BURST_DESC); 1561 1562 sysctl_add_oid(&sysctl_oid_top, "abort_at_limit", CTLTYPE_INT|CTLFLAG_RW, 1563 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sctp_sysctl_handle_int, 1564 SCTPCTL_ABORT_AT_LIMIT_DESC); 1565 1566 sysctl_add_oid(&sysctl_oid_top, "min_residual", CTLTYPE_INT|CTLFLAG_RW, 1567 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sctp_sysctl_handle_int, 1568 SCTPCTL_MIN_RESIDUAL_DESC); 1569 1570 sysctl_add_oid(&sysctl_oid_top, "max_retran_chunk", CTLTYPE_INT|CTLFLAG_RW, 1571 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sctp_sysctl_handle_int, 1572 SCTPCTL_MAX_RETRAN_CHUNK_DESC); 1573 1574 sysctl_add_oid(&sysctl_oid_top, "log_level", CTLTYPE_INT|CTLFLAG_RW, 1575 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sctp_sysctl_handle_int, 1576 SCTPCTL_LOGGING_LEVEL_DESC); 1577 1578 sysctl_add_oid(&sysctl_oid_top, "default_cc_module", CTLTYPE_INT|CTLFLAG_RW, 1579 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sctp_sysctl_handle_int, 1580 SCTPCTL_DEFAULT_CC_MODULE_DESC); 1581 1582 sysctl_add_oid(&sysctl_oid_top, "default_ss_module", CTLTYPE_INT|CTLFLAG_RW, 1583 &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sctp_sysctl_handle_int, 1584 SCTPCTL_DEFAULT_SS_MODULE_DESC); 1585 1586 sysctl_add_oid(&sysctl_oid_top, "default_frag_interleave", CTLTYPE_INT|CTLFLAG_RW, 1587 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sctp_sysctl_handle_int, 1588 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC); 1589 1590 sysctl_add_oid(&sysctl_oid_top, "mobility_base", CTLTYPE_INT|CTLFLAG_RW, 1591 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sctp_sysctl_handle_int, 1592 SCTPCTL_MOBILITY_BASE_DESC); 1593 1594 sysctl_add_oid(&sysctl_oid_top, "mobility_fasthandoff", CTLTYPE_INT|CTLFLAG_RW, 1595 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sctp_sysctl_handle_int, 1596 SCTPCTL_MOBILITY_FASTHANDOFF_DESC); 1597 1598 #if defined(SCTP_LOCAL_TRACE_BUF) 1599 sysctl_add_oid(&sysctl_oid_top, "sctp_log", CTLTYPE_STRUCT|CTLFLAG_RD, 1600 SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log), NULL, 1601 "SCTP logging (struct sctp_log)"); 1602 1603 sysctl_add_oid(&sysctl_oid_top, "clear_trace", CTLTYPE_INT|CTLFLAG_WR, 1604 NULL, 0, sctp_sysctl_handle_trace_log_clear, 1605 "Clear SCTP Logging buffer"); 1606 #endif 1607 1608 sysctl_add_oid(&sysctl_oid_top, "udp_tunneling_port", CTLTYPE_INT|CTLFLAG_RW, 1609 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sctp_sysctl_handle_udp_tunneling, 1610 SCTPCTL_UDP_TUNNELING_PORT_DESC); 1611 1612 sysctl_add_oid(&sysctl_oid_top, "enable_sack_immediately", CTLTYPE_INT|CTLFLAG_RW, 1613 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sctp_sysctl_handle_int, 1614 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC); 1615 1616 sysctl_add_oid(&sysctl_oid_top, "nat_friendly_init", CTLTYPE_INT|CTLFLAG_RW, 1617 &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sctp_sysctl_handle_int, 1618 SCTPCTL_NAT_FRIENDLY_DESC); 1619 1620 sysctl_add_oid(&sysctl_oid_top, "vtag_time_wait", CTLTYPE_INT|CTLFLAG_RW, 1621 &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sctp_sysctl_handle_int, 1622 SCTPCTL_TIME_WAIT_DESC); 1623 1624 sysctl_add_oid(&sysctl_oid_top, "buffer_splitting", CTLTYPE_INT|CTLFLAG_RW, 1625 &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sctp_sysctl_handle_int, 1626 SCTPCTL_BUFFER_SPLITTING_DESC); 1627 1628 sysctl_add_oid(&sysctl_oid_top, "initial_cwnd", CTLTYPE_INT|CTLFLAG_RW, 1629 &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sctp_sysctl_handle_int, 1630 SCTPCTL_INITIAL_CWND_DESC); 1631 1632 sysctl_add_oid(&sysctl_oid_top, "rttvar_bw", CTLTYPE_INT|CTLFLAG_RW, 1633 &SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sctp_sysctl_handle_int, 1634 SCTPCTL_RTTVAR_BW_DESC); 1635 1636 sysctl_add_oid(&sysctl_oid_top, "rttvar_rtt", CTLTYPE_INT|CTLFLAG_RW, 1637 &SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sctp_sysctl_handle_int, 1638 SCTPCTL_RTTVAR_RTT_DESC); 1639 1640 sysctl_add_oid(&sysctl_oid_top, "rttvar_eqret", CTLTYPE_INT|CTLFLAG_RW, 1641 &SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sctp_sysctl_handle_int, 1642 SCTPCTL_RTTVAR_EQRET_DESC); 1643 1644 sysctl_add_oid(&sysctl_oid_top, "rttvar_steady_step", CTLTYPE_INT|CTLFLAG_RW, 1645 &SCTP_BASE_SYSCTL(sctp_steady_step), 0, sctp_sysctl_handle_int, 1646 SCTPCTL_RTTVAR_STEADYS_DESC); 1647 1648 sysctl_add_oid(&sysctl_oid_top, "use_dcccecn", CTLTYPE_INT|CTLFLAG_RW, 1649 &SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sctp_sysctl_handle_int, 1650 SCTPCTL_RTTVAR_DCCCECN_DESC); 1651 1652 sysctl_add_oid(&sysctl_oid_top, "blackhole", CTLTYPE_INT|CTLFLAG_RW, 1653 &SCTP_BASE_SYSCTL(sctp_blackhole), 0, sctp_sysctl_handle_int, 1654 SCTPCTL_BLACKHOLE_DESC); 1655 1656 sysctl_add_oid(&sysctl_oid_top, "sendall_limit", CTLTYPE_INT|CTLFLAG_RW, 1657 &SCTP_BASE_SYSCTL(sctp_sendall_limit), 0, sctp_sysctl_handle_int, 1658 SCTPCTL_SENDALL_LIMIT_DESC); 1659 1660 sysctl_add_oid(&sysctl_oid_top, "diag_info_code", CTLTYPE_INT|CTLFLAG_RW, 1661 &SCTP_BASE_SYSCTL(sctp_diag_info_code), 0, sctp_sysctl_handle_int, 1662 SCTPCTL_DIAG_INFO_CODE_DESC); 1663 1664 sysctl_add_oid(&sysctl_oid_top, "ootb_with_zero_cksum", CTLTYPE_INT|CTLFLAG_RW, 1665 &SCTP_BASE_SYSCTL(sctp_ootb_with_zero_cksum), 0, sctp_sysctl_handle_int, 1666 SCTPCTL_OOTB_WITH_ZERO_CKSUM_DESC); 1667 1668 #ifdef SCTP_DEBUG 1669 sysctl_add_oid(&sysctl_oid_top, "debug", CTLTYPE_INT|CTLFLAG_RW, 1670 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sctp_sysctl_handle_int, 1671 SCTPCTL_DEBUG_DESC); 1672 #endif 1673 1674 sysctl_add_oid(&sysctl_oid_top, "stats", CTLTYPE_STRUCT|CTLFLAG_RW, 1675 &SCTP_BASE_STATS, sizeof(SCTP_BASE_STATS), NULL, 1676 "SCTP statistics (struct sctp_stat)"); 1677 1678 sysctl_add_oid(&sysctl_oid_top, "assoclist", CTLTYPE_STRUCT|CTLFLAG_RD, 1679 NULL, 0, sctp_assoclist, 1680 "List of active SCTP associations"); 1681 } 1682 #endif 1683 #endif