sctp_sysctl.c revision 270359
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#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/10/sys/netinet/sctp_sysctl.c 270359 2014-08-22 20:05:09Z tuexen $"); 35 36#include <netinet/sctp_os.h> 37#include <netinet/sctp.h> 38#include <netinet/sctp_constants.h> 39#include <netinet/sctp_sysctl.h> 40#include <netinet/sctp_pcb.h> 41#include <netinet/sctputil.h> 42#include <netinet/sctp_output.h> 43#include <sys/smp.h> 44 45/* 46 * sysctl tunable variables 47 */ 48 49void 50sctp_init_sysctls() 51{ 52 printf("sctp_init_sysctls().\n"); 53 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; 54 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; 55 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; 56 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; 57 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; 58 SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT; 59 SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT; 60 SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT; 61 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; 62 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; 63 SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT; 64 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; 65 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 66 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 67 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; 68 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 69 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT; 70 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; 71 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; 72 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; 73 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT; 74 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; 75 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT; 76 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; 77 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; 78 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; 79 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; 80 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; 81 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT; 82 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; 83 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; 84 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; 85 SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT; 86 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; 87 SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT; 88 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT; 89 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; 90 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 91 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 92 SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_DEFAULT; 93 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 94 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 95 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 96 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 97 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 98 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 99 SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT; 100 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 101 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 102 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 103 /* JRS - Variable for default congestion control module */ 104 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 105 /* RS - Variable for default stream scheduling module */ 106 SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT; 107 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 108 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 109 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 110 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; 111 SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT; 112 SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT; 113 SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT; 114 SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT; 115 SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT; 116 SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT; 117 SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT; 118 SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT; 119 SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT; 120#if defined(SCTP_LOCAL_TRACE_BUF) 121 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 122#endif 123 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 124 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 125 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT; 126#if defined(SCTP_DEBUG) 127 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 128printf("debug = %d.\n", SCTP_BASE_SYSCTL(sctp_debug_on)); 129#endif 130#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 131 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 132#endif 133} 134 135 136/* It returns an upper limit. No filtering is done here */ 137static unsigned int 138number_of_addresses(struct sctp_inpcb *inp) 139{ 140 unsigned int cnt; 141 struct sctp_vrf *vrf; 142 struct sctp_ifn *sctp_ifn; 143 struct sctp_ifa *sctp_ifa; 144 struct sctp_laddr *laddr; 145 146 cnt = 0; 147 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 148 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 149 return (0); 150 } 151 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 152 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 153 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 154 switch (sctp_ifa->address.sa.sa_family) { 155#ifdef INET 156 case AF_INET: 157#endif 158#ifdef INET6 159 case AF_INET6: 160#endif 161 cnt++; 162 break; 163 default: 164 break; 165 } 166 } 167 } 168 } else { 169 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 170 switch (laddr->ifa->address.sa.sa_family) { 171#ifdef INET 172 case AF_INET: 173#endif 174#ifdef INET6 175 case AF_INET6: 176#endif 177 cnt++; 178 break; 179 default: 180 break; 181 } 182 } 183 } 184 return (cnt); 185} 186 187static int 188copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 189{ 190 struct sctp_ifn *sctp_ifn; 191 struct sctp_ifa *sctp_ifa; 192 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 193 int ipv4_addr_legal, ipv6_addr_legal; 194 struct sctp_vrf *vrf; 195 struct xsctp_laddr xladdr; 196 struct sctp_laddr *laddr; 197 int error; 198 199 /* Turn on all the appropriate scope */ 200 if (stcb) { 201 /* use association specific values */ 202 loopback_scope = stcb->asoc.scope.loopback_scope; 203 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 204 local_scope = stcb->asoc.scope.local_scope; 205 site_scope = stcb->asoc.scope.site_scope; 206 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 207 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 208 } else { 209 /* Use generic values for endpoints. */ 210 loopback_scope = 1; 211 ipv4_local_scope = 1; 212 local_scope = 1; 213 site_scope = 1; 214 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 215 ipv6_addr_legal = 1; 216 if (SCTP_IPV6_V6ONLY(inp)) { 217 ipv4_addr_legal = 0; 218 } else { 219 ipv4_addr_legal = 1; 220 } 221 } else { 222 ipv6_addr_legal = 0; 223 ipv4_addr_legal = 1; 224 } 225 } 226 227 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 228 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 229 SCTP_INP_RUNLOCK(inp); 230 SCTP_INP_INFO_RUNLOCK(); 231 return (-1); 232 } 233 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 234 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 235 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 236 /* Skip loopback if loopback_scope not set */ 237 continue; 238 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 239 if (stcb) { 240 /* 241 * ignore if blacklisted at 242 * association level 243 */ 244 if (sctp_is_addr_restricted(stcb, sctp_ifa)) 245 continue; 246 } 247 switch (sctp_ifa->address.sa.sa_family) { 248#ifdef INET 249 case AF_INET: 250 if (ipv4_addr_legal) { 251 struct sockaddr_in *sin; 252 253 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 254 if (sin->sin_addr.s_addr == 0) 255 continue; 256 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 257 &sin->sin_addr) != 0) { 258 continue; 259 } 260 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) 261 continue; 262 } else { 263 continue; 264 } 265 break; 266#endif 267#ifdef INET6 268 case AF_INET6: 269 if (ipv6_addr_legal) { 270 struct sockaddr_in6 *sin6; 271 272 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 273 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) 274 continue; 275 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 276 &sin6->sin6_addr) != 0) { 277 continue; 278 } 279 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 280 if (local_scope == 0) 281 continue; 282 if (sin6->sin6_scope_id == 0) { 283 /* 284 * bad link 285 * local 286 * address 287 */ 288 if (sa6_recoverscope(sin6) != 0) 289 continue; 290 } 291 } 292 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 293 continue; 294 } else { 295 continue; 296 } 297 break; 298#endif 299 default: 300 continue; 301 } 302 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 303 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 304 SCTP_INP_RUNLOCK(inp); 305 SCTP_INP_INFO_RUNLOCK(); 306 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 307 if (error) { 308 return (error); 309 } else { 310 SCTP_INP_INFO_RLOCK(); 311 SCTP_INP_RLOCK(inp); 312 } 313 } 314 } 315 } else { 316 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 317 /* ignore if blacklisted at association level */ 318 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 319 continue; 320 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 321 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 322 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec; 323 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec; 324 SCTP_INP_RUNLOCK(inp); 325 SCTP_INP_INFO_RUNLOCK(); 326 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 327 if (error) { 328 return (error); 329 } else { 330 SCTP_INP_INFO_RLOCK(); 331 SCTP_INP_RLOCK(inp); 332 } 333 } 334 } 335 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 336 xladdr.last = 1; 337 SCTP_INP_RUNLOCK(inp); 338 SCTP_INP_INFO_RUNLOCK(); 339 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 340 341 if (error) { 342 return (error); 343 } else { 344 SCTP_INP_INFO_RLOCK(); 345 SCTP_INP_RLOCK(inp); 346 return (0); 347 } 348} 349 350/* 351 * sysctl functions 352 */ 353static int 354sctp_assoclist(SYSCTL_HANDLER_ARGS) 355{ 356 unsigned int number_of_endpoints; 357 unsigned int number_of_local_addresses; 358 unsigned int number_of_associations; 359 unsigned int number_of_remote_addresses; 360 unsigned int n; 361 int error; 362 struct sctp_inpcb *inp; 363 struct sctp_tcb *stcb; 364 struct sctp_nets *net; 365 struct xsctp_inpcb xinpcb; 366 struct xsctp_tcb xstcb; 367 struct xsctp_raddr xraddr; 368 struct socket *so; 369 370 number_of_endpoints = 0; 371 number_of_local_addresses = 0; 372 number_of_associations = 0; 373 number_of_remote_addresses = 0; 374 375 SCTP_INP_INFO_RLOCK(); 376 if (req->oldptr == USER_ADDR_NULL) { 377 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 378 SCTP_INP_RLOCK(inp); 379 number_of_endpoints++; 380 number_of_local_addresses += number_of_addresses(inp); 381 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 382 number_of_associations++; 383 number_of_local_addresses += number_of_addresses(inp); 384 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 385 number_of_remote_addresses++; 386 } 387 } 388 SCTP_INP_RUNLOCK(inp); 389 } 390 SCTP_INP_INFO_RUNLOCK(); 391 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 392 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 393 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 394 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 395 396 /* request some more memory than needed */ 397 req->oldidx = (n + n / 8); 398 return (0); 399 } 400 if (req->newptr != USER_ADDR_NULL) { 401 SCTP_INP_INFO_RUNLOCK(); 402 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 403 return (EPERM); 404 } 405 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 406 SCTP_INP_RLOCK(inp); 407 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) { 408 /* if its allgone it is being freed - skip it */ 409 goto skip; 410 } 411 xinpcb.last = 0; 412 xinpcb.local_port = ntohs(inp->sctp_lport); 413 xinpcb.flags = inp->sctp_flags; 414 xinpcb.features = inp->sctp_features; 415 xinpcb.total_sends = inp->total_sends; 416 xinpcb.total_recvs = inp->total_recvs; 417 xinpcb.total_nospaces = inp->total_nospaces; 418 xinpcb.fragmentation_point = inp->sctp_frag_point; 419 so = inp->sctp_socket; 420 if ((so == NULL) || 421 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 422 xinpcb.qlen = 0; 423 xinpcb.maxqlen = 0; 424 } else { 425 xinpcb.qlen = so->so_qlen; 426 xinpcb.maxqlen = so->so_qlimit; 427 } 428 SCTP_INP_INCR_REF(inp); 429 SCTP_INP_RUNLOCK(inp); 430 SCTP_INP_INFO_RUNLOCK(); 431 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 432 if (error) { 433 SCTP_INP_DECR_REF(inp); 434 return (error); 435 } 436 SCTP_INP_INFO_RLOCK(); 437 SCTP_INP_RLOCK(inp); 438 error = copy_out_local_addresses(inp, NULL, req); 439 if (error) { 440 SCTP_INP_DECR_REF(inp); 441 return (error); 442 } 443 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 444 SCTP_TCB_LOCK(stcb); 445 atomic_add_int(&stcb->asoc.refcnt, 1); 446 SCTP_TCB_UNLOCK(stcb); 447 xstcb.last = 0; 448 xstcb.local_port = ntohs(inp->sctp_lport); 449 xstcb.remote_port = ntohs(stcb->rport); 450 if (stcb->asoc.primary_destination != NULL) 451 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 452 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 453 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */ 454 /* 7.0 does not support these */ 455 xstcb.assoc_id = sctp_get_associd(stcb); 456 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 457 xstcb.in_streams = stcb->asoc.streamincnt; 458 xstcb.out_streams = stcb->asoc.streamoutcnt; 459 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 460 xstcb.primary_process = 0; /* not really supported 461 * yet */ 462 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 463 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 464 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 465 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec; 466 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec; 467 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec; 468 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec; 469 xstcb.total_sends = stcb->total_sends; 470 xstcb.total_recvs = stcb->total_recvs; 471 xstcb.local_tag = stcb->asoc.my_vtag; 472 xstcb.remote_tag = stcb->asoc.peer_vtag; 473 xstcb.initial_tsn = stcb->asoc.init_seq_number; 474 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 475 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 476 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 477 xstcb.mtu = stcb->asoc.smallest_mtu; 478 xstcb.refcnt = stcb->asoc.refcnt; 479 SCTP_INP_RUNLOCK(inp); 480 SCTP_INP_INFO_RUNLOCK(); 481 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 482 if (error) { 483 SCTP_INP_DECR_REF(inp); 484 atomic_subtract_int(&stcb->asoc.refcnt, 1); 485 return (error); 486 } 487 SCTP_INP_INFO_RLOCK(); 488 SCTP_INP_RLOCK(inp); 489 error = copy_out_local_addresses(inp, stcb, req); 490 if (error) { 491 SCTP_INP_DECR_REF(inp); 492 atomic_subtract_int(&stcb->asoc.refcnt, 1); 493 return (error); 494 } 495 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 496 xraddr.last = 0; 497 xraddr.address = net->ro._l_addr; 498 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 499 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 500 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 501 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF); 502 xraddr.rto = net->RTO; 503 xraddr.max_path_rtx = net->failure_threshold; 504 xraddr.rtx = net->marked_retrans; 505 xraddr.error_counter = net->error_count; 506 xraddr.cwnd = net->cwnd; 507 xraddr.flight_size = net->flight_size; 508 xraddr.mtu = net->mtu; 509 xraddr.rtt = net->rtt / 1000; 510 xraddr.heartbeat_interval = net->heart_beat_delay; 511 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec; 512 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec; 513 SCTP_INP_RUNLOCK(inp); 514 SCTP_INP_INFO_RUNLOCK(); 515 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 516 if (error) { 517 SCTP_INP_DECR_REF(inp); 518 atomic_subtract_int(&stcb->asoc.refcnt, 1); 519 return (error); 520 } 521 SCTP_INP_INFO_RLOCK(); 522 SCTP_INP_RLOCK(inp); 523 } 524 atomic_subtract_int(&stcb->asoc.refcnt, 1); 525 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 526 xraddr.last = 1; 527 SCTP_INP_RUNLOCK(inp); 528 SCTP_INP_INFO_RUNLOCK(); 529 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 530 if (error) { 531 SCTP_INP_DECR_REF(inp); 532 return (error); 533 } 534 SCTP_INP_INFO_RLOCK(); 535 SCTP_INP_RLOCK(inp); 536 } 537 SCTP_INP_DECR_REF(inp); 538 SCTP_INP_RUNLOCK(inp); 539 SCTP_INP_INFO_RUNLOCK(); 540 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 541 xstcb.last = 1; 542 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 543 if (error) { 544 return (error); 545 } 546skip: 547 SCTP_INP_INFO_RLOCK(); 548 } 549 SCTP_INP_INFO_RUNLOCK(); 550 551 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 552 xinpcb.last = 1; 553 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 554 return (error); 555} 556 557 558#define RANGECHK(var, min, max) \ 559 if ((var) < (min)) { (var) = (min); } \ 560 else if ((var) > (max)) { (var) = (max); } 561 562static int 563sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS) 564{ 565 int error; 566 uint32_t old_sctp_udp_tunneling_port; 567 568 SCTP_INP_INFO_RLOCK(); 569 old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 570 SCTP_INP_INFO_RUNLOCK(); 571 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 572 if (error == 0) { 573 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX); 574 if (old_sctp_udp_tunneling_port == SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 575 error = 0; 576 goto out; 577 } 578 SCTP_INP_INFO_WLOCK(); 579 if (old_sctp_udp_tunneling_port) { 580 sctp_over_udp_stop(); 581 } 582 if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 583 if (sctp_over_udp_start()) { 584 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0; 585 } 586 } 587 SCTP_INP_INFO_WUNLOCK(); 588 } 589out: 590 return (error); 591} 592 593 594static int 595sysctl_sctp_check(SYSCTL_HANDLER_ARGS) 596{ 597 int error; 598 599 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 600 if (error == 0) { 601 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX); 602 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX); 603 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); 604 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX); 605 RANGECHK(SCTP_BASE_SYSCTL(sctp_pr_enable), SCTPCTL_PR_ENABLE_MIN, SCTPCTL_PR_ENABLE_MAX); 606 RANGECHK(SCTP_BASE_SYSCTL(sctp_nrsack_enable), SCTPCTL_NRSACK_ENABLE_MIN, SCTPCTL_NRSACK_ENABLE_MAX); 607 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX); 608 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX); 609 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX); 610 RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTPCTL_FRMAXBURST_MAX); 611 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX); 612 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX); 613 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX); 614 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX); 615 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX); 616 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX); 617 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX); 618 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX); 619 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX); 620 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX); 621 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX); 622 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX); 623 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX); 624 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX); 625 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX); 626 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX); 627 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX); 628 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX); 629 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX); 630 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX); 631 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX); 632 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, SCTPCTL_PATH_PF_THRESHOLD_MAX); 633 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX); 634 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), SCTPCTL_INCOMING_STREAMS_MIN, SCTPCTL_INCOMING_STREAMS_MAX); 635 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX); 636 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX); 637 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX); 638 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX); 639 RANGECHK(SCTP_BASE_SYSCTL(sctp_auth_disable), SCTPCTL_AUTH_DISABLE_MIN, SCTPCTL_AUTH_DISABLE_MAX); 640 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 641 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX); 642 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX); 643 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX); 644 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX); 645 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX); 646 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX); 647 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX); 648 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX); 649 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX); 650 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX); 651 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX); 652 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX); 653 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX); 654 RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX); 655 RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX); 656 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_BW_MAX); 657 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR_RTT_MAX); 658 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RTTVAR_EQRET_MAX); 659 RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_RTTVAR_STEADYS_MAX); 660 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_RTTVAR_DCCCECN_MAX); 661 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX); 662 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX); 663 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX); 664 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX); 665 RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOLE_MAX); 666 RANGECHK(SCTP_BASE_SYSCTL(sctp_diag_info_code), SCTPCTL_DIAG_INFO_CODE_MIN, SCTPCTL_DIAG_INFO_CODE_MAX); 667 668#ifdef SCTP_DEBUG 669 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX); 670#endif 671#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 672 RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX); 673#endif 674 } 675 return (error); 676} 677 678#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 679static int 680sysctl_stat_get(SYSCTL_HANDLER_ARGS) 681{ 682 int cpu, error; 683 struct sctpstat sb, *sarry, *cpin = NULL; 684 685 if ((req->newptr) && (req->newlen == sizeof(struct sctpstat))) { 686 /* 687 * User wants us to clear or at least reset the counters to 688 * the specified values. 689 */ 690 cpin = (struct sctpstat *)req->newptr; 691 } else if (req->newptr) { 692 /* Must be a stat structure */ 693 return (EINVAL); 694 } 695 memset(&sb, 0, sizeof(sb)); 696 for (cpu = 0; cpu < mp_maxid; cpu++) { 697 sarry = &SCTP_BASE_STATS[cpu]; 698 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { 699 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; 700 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; 701 } 702 sb.sctps_currestab += sarry->sctps_currestab; 703 sb.sctps_activeestab += sarry->sctps_activeestab; 704 sb.sctps_restartestab += sarry->sctps_restartestab; 705 sb.sctps_collisionestab += sarry->sctps_collisionestab; 706 sb.sctps_passiveestab += sarry->sctps_passiveestab; 707 sb.sctps_aborted += sarry->sctps_aborted; 708 sb.sctps_shutdown += sarry->sctps_shutdown; 709 sb.sctps_outoftheblue += sarry->sctps_outoftheblue; 710 sb.sctps_checksumerrors += sarry->sctps_checksumerrors; 711 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; 712 sb.sctps_outorderchunks += sarry->sctps_outorderchunks; 713 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; 714 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; 715 sb.sctps_inorderchunks += sarry->sctps_inorderchunks; 716 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; 717 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; 718 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; 719 sb.sctps_outpackets += sarry->sctps_outpackets; 720 sb.sctps_inpackets += sarry->sctps_inpackets; 721 sb.sctps_recvpackets += sarry->sctps_recvpackets; 722 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; 723 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; 724 sb.sctps_recvsacks += sarry->sctps_recvsacks; 725 sb.sctps_recvdata += sarry->sctps_recvdata; 726 sb.sctps_recvdupdata += sarry->sctps_recvdupdata; 727 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; 728 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; 729 sb.sctps_recvecne += sarry->sctps_recvecne; 730 sb.sctps_recvauth += sarry->sctps_recvauth; 731 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; 732 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; 733 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; 734 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; 735 sb.sctps_recvexpress += sarry->sctps_recvexpress; 736 sb.sctps_recvexpressm += sarry->sctps_recvexpressm; 737 sb.sctps_recvnocrc += sarry->sctps_recvnocrc; 738 sb.sctps_recvswcrc += sarry->sctps_recvswcrc; 739 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; 740 sb.sctps_sendpackets += sarry->sctps_sendpackets; 741 sb.sctps_sendsacks += sarry->sctps_sendsacks; 742 sb.sctps_senddata += sarry->sctps_senddata; 743 sb.sctps_sendretransdata += sarry->sctps_sendretransdata; 744 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; 745 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; 746 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; 747 sb.sctps_sendecne += sarry->sctps_sendecne; 748 sb.sctps_sendauth += sarry->sctps_sendauth; 749 sb.sctps_senderrors += sarry->sctps_senderrors; 750 sb.sctps_sendnocrc += sarry->sctps_sendnocrc; 751 sb.sctps_sendswcrc += sarry->sctps_sendswcrc; 752 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; 753 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; 754 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; 755 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; 756 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; 757 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; 758 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; 759 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; 760 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; 761 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; 762 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; 763 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; 764 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; 765 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; 766 sb.sctps_pdrpmark += sarry->sctps_pdrpmark; 767 sb.sctps_timoiterator += sarry->sctps_timoiterator; 768 sb.sctps_timodata += sarry->sctps_timodata; 769 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; 770 sb.sctps_timoinit += sarry->sctps_timoinit; 771 sb.sctps_timosack += sarry->sctps_timosack; 772 sb.sctps_timoshutdown += sarry->sctps_timoshutdown; 773 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; 774 sb.sctps_timocookie += sarry->sctps_timocookie; 775 sb.sctps_timosecret += sarry->sctps_timosecret; 776 sb.sctps_timopathmtu += sarry->sctps_timopathmtu; 777 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; 778 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; 779 sb.sctps_timostrmrst += sarry->sctps_timostrmrst; 780 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; 781 sb.sctps_timoasconf += sarry->sctps_timoasconf; 782 sb.sctps_timodelprim += sarry->sctps_timodelprim; 783 sb.sctps_timoautoclose += sarry->sctps_timoautoclose; 784 sb.sctps_timoassockill += sarry->sctps_timoassockill; 785 sb.sctps_timoinpkill += sarry->sctps_timoinpkill; 786 sb.sctps_hdrops += sarry->sctps_hdrops; 787 sb.sctps_badsum += sarry->sctps_badsum; 788 sb.sctps_noport += sarry->sctps_noport; 789 sb.sctps_badvtag += sarry->sctps_badvtag; 790 sb.sctps_badsid += sarry->sctps_badsid; 791 sb.sctps_nomem += sarry->sctps_nomem; 792 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; 793 sb.sctps_markedretrans += sarry->sctps_markedretrans; 794 sb.sctps_naglesent += sarry->sctps_naglesent; 795 sb.sctps_naglequeued += sarry->sctps_naglequeued; 796 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; 797 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; 798 sb.sctps_windowprobed += sarry->sctps_windowprobed; 799 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; 800 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; 801 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; 802 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; 803 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; 804 sb.sctps_vtagexpress += sarry->sctps_vtagexpress; 805 sb.sctps_vtagbogus += sarry->sctps_vtagbogus; 806 sb.sctps_primary_randry += sarry->sctps_primary_randry; 807 sb.sctps_cmt_randry += sarry->sctps_cmt_randry; 808 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; 809 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; 810 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; 811 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; 812 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; 813 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; 814 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; 815 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; 816 sb.sctps_read_peeks += sarry->sctps_read_peeks; 817 sb.sctps_cached_chk += sarry->sctps_cached_chk; 818 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; 819 sb.sctps_left_abandon += sarry->sctps_left_abandon; 820 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; 821 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; 822 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; 823 if (cpin) { 824 memcpy(sarry, cpin, sizeof(struct sctpstat)); 825 } 826 } 827 error = SYSCTL_OUT(req, &sb, sizeof(sb)); 828 return (error); 829} 830 831#endif 832 833#if defined(SCTP_LOCAL_TRACE_BUF) 834static int 835sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS) 836{ 837 int error = 0; 838 839 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 840 return (error); 841} 842 843#endif 844 845 846/* 847 * sysctl definitions 848 */ 849 850SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_UINT | CTLFLAG_RW, 851 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU", 852 SCTPCTL_MAXDGRAM_DESC); 853 854SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_UINT | CTLFLAG_RW, 855 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU", 856 SCTPCTL_RECVSPACE_DESC); 857 858SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_UINT | CTLFLAG_RW, 859 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU", 860 SCTPCTL_AUTOASCONF_DESC); 861 862SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_UINT | CTLFLAG_RW, 863 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU", 864 SCTPCTL_ECN_ENABLE_DESC); 865 866SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pr_enable, CTLTYPE_UINT | CTLFLAG_RW, 867 &SCTP_BASE_SYSCTL(sctp_pr_enable), 0, sysctl_sctp_check, "IU", 868 SCTPCTL_PR_ENABLE_DESC); 869 870SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nr_sack_on_off, CTLTYPE_UINT | CTLFLAG_RW, 871 &SCTP_BASE_SYSCTL(sctp_nrsack_enable), 0, sysctl_sctp_check, "IU", 872 SCTPCTL_NRSACK_ENABLE_DESC); 873 874SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_UINT | CTLFLAG_RW, 875 &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU", 876 SCTPCTL_STRICT_SACKS_DESC); 877 878 879SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_UINT | CTLFLAG_RW, 880 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU", 881 SCTPCTL_PEER_CHKOH_DESC); 882 883SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_UINT | CTLFLAG_RW, 884 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU", 885 SCTPCTL_MAXBURST_DESC); 886 887SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, fr_maxburst, CTLTYPE_UINT | CTLFLAG_RW, 888 &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sysctl_sctp_check, "IU", 889 SCTPCTL_FRMAXBURST_DESC); 890 891SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_UINT | CTLFLAG_RW, 892 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU", 893 SCTPCTL_MAXCHUNKS_DESC); 894 895SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_UINT | CTLFLAG_RW, 896 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU", 897 SCTPCTL_TCBHASHSIZE_DESC); 898 899SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_UINT | CTLFLAG_RW, 900 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU", 901 SCTPCTL_PCBHASHSIZE_DESC); 902 903SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_UINT | CTLFLAG_RW, 904 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU", 905 SCTPCTL_MIN_SPLIT_POINT_DESC); 906 907SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_UINT | CTLFLAG_RW, 908 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU", 909 SCTPCTL_CHUNKSCALE_DESC); 910 911SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_UINT | CTLFLAG_RW, 912 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU", 913 SCTPCTL_DELAYED_SACK_TIME_DESC); 914 915SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_UINT | CTLFLAG_RW, 916 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU", 917 SCTPCTL_SACK_FREQ_DESC); 918 919SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_UINT | CTLFLAG_RW, 920 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU", 921 SCTPCTL_SYS_RESOURCE_DESC); 922 923SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_UINT | CTLFLAG_RW, 924 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU", 925 SCTPCTL_ASOC_RESOURCE_DESC); 926 927SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_UINT | CTLFLAG_RW, 928 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU", 929 SCTPCTL_HEARTBEAT_INTERVAL_DESC); 930 931SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_UINT | CTLFLAG_RW, 932 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU", 933 SCTPCTL_PMTU_RAISE_TIME_DESC); 934 935SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_UINT | CTLFLAG_RW, 936 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU", 937 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC); 938 939SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_UINT | CTLFLAG_RW, 940 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU", 941 SCTPCTL_SECRET_LIFETIME_DESC); 942 943SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_UINT | CTLFLAG_RW, 944 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU", 945 SCTPCTL_RTO_MAX_DESC); 946 947SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_UINT | CTLFLAG_RW, 948 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU", 949 SCTPCTL_RTO_MIN_DESC); 950 951SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_UINT | CTLFLAG_RW, 952 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU", 953 SCTPCTL_RTO_INITIAL_DESC); 954 955SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_UINT | CTLFLAG_RW, 956 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU", 957 SCTPCTL_INIT_RTO_MAX_DESC); 958 959SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_UINT | CTLFLAG_RW, 960 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU", 961 SCTPCTL_VALID_COOKIE_LIFE_DESC); 962 963SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_UINT | CTLFLAG_RW, 964 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU", 965 SCTPCTL_INIT_RTX_MAX_DESC); 966 967SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_UINT | CTLFLAG_RW, 968 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU", 969 SCTPCTL_ASSOC_RTX_MAX_DESC); 970 971SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_UINT | CTLFLAG_RW, 972 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU", 973 SCTPCTL_PATH_RTX_MAX_DESC); 974 975SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, path_pf_threshold, CTLTYPE_UINT | CTLFLAG_RW, 976 &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sysctl_sctp_check, "IU", 977 SCTPCTL_PATH_PF_THRESHOLD_DESC); 978 979SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_UINT | CTLFLAG_RW, 980 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU", 981 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC); 982 983SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, incoming_streams, CTLTYPE_UINT | CTLFLAG_RW, 984 &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sysctl_sctp_check, "IU", 985 SCTPCTL_INCOMING_STREAMS_DESC); 986 987SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_UINT | CTLFLAG_RW, 988 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU", 989 SCTPCTL_OUTGOING_STREAMS_DESC); 990 991SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_UINT | CTLFLAG_RW, 992 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU", 993 SCTPCTL_CMT_ON_OFF_DESC); 994 995SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_UINT | CTLFLAG_RW, 996 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU", 997 SCTPCTL_CMT_USE_DAC_DESC); 998 999SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_UINT | CTLFLAG_RW, 1000 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU", 1001 SCTPCTL_CWND_MAXBURST_DESC); 1002 1003SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_UINT | CTLFLAG_RW, 1004 &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check, "IU", 1005 SCTPCTL_AUTH_DISABLE_DESC); 1006 1007SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_UINT | CTLFLAG_RW, 1008 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU", 1009 SCTPCTL_NAT_FRIENDLY_DESC); 1010 1011SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_UINT | CTLFLAG_RW, 1012 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU", 1013 SCTPCTL_ABC_L_VAR_DESC); 1014 1015SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_UINT | CTLFLAG_RW, 1016 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU", 1017 SCTPCTL_MAX_CHAINED_MBUFS_DESC); 1018 1019SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_UINT | CTLFLAG_RW, 1020 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU", 1021 SCTPCTL_DO_SCTP_DRAIN_DESC); 1022 1023SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_UINT | CTLFLAG_RW, 1024 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU", 1025 SCTPCTL_HB_MAX_BURST_DESC); 1026 1027SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_UINT | CTLFLAG_RW, 1028 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU", 1029 SCTPCTL_ABORT_AT_LIMIT_DESC); 1030 1031SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_UINT | CTLFLAG_RW, 1032 &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU", 1033 SCTPCTL_STRICT_DATA_ORDER_DESC); 1034 1035SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_UINT | CTLFLAG_RW, 1036 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU", 1037 SCTPCTL_MIN_RESIDUAL_DESC); 1038 1039SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_UINT | CTLFLAG_RW, 1040 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU", 1041 SCTPCTL_MAX_RETRAN_CHUNK_DESC); 1042 1043SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_UINT | CTLFLAG_RW, 1044 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU", 1045 SCTPCTL_LOGGING_LEVEL_DESC); 1046 1047SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_UINT | CTLFLAG_RW, 1048 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU", 1049 SCTPCTL_DEFAULT_CC_MODULE_DESC); 1050 1051SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_ss_module, CTLTYPE_UINT | CTLFLAG_RW, 1052 &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sysctl_sctp_check, "IU", 1053 SCTPCTL_DEFAULT_SS_MODULE_DESC); 1054 1055SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_UINT | CTLFLAG_RW, 1056 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU", 1057 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC); 1058 1059SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_UINT | CTLFLAG_RW, 1060 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU", 1061 SCTPCTL_MOBILITY_BASE_DESC); 1062 1063SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_UINT | CTLFLAG_RW, 1064 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU", 1065 SCTPCTL_MOBILITY_FASTHANDOFF_DESC); 1066 1067#if defined(SCTP_LOCAL_TRACE_BUF) 1068SYSCTL_VNET_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD, 1069 &SCTP_BASE_SYSCTL(sctp_log), sctp_log, 1070 "SCTP logging (struct sctp_log)"); 1071 1072SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_UINT | CTLFLAG_RW, 1073 &SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU", 1074 "Clear SCTP Logging buffer"); 1075#endif 1076 1077SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_UINT | CTLFLAG_RW, 1078 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU", 1079 SCTPCTL_UDP_TUNNELING_PORT_DESC); 1080 1081SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_UINT | CTLFLAG_RW, 1082 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU", 1083 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC); 1084 1085SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nat_friendly_init, CTLTYPE_UINT | CTLFLAG_RW, 1086 &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sysctl_sctp_check, "IU", 1087 SCTPCTL_NAT_FRIENDLY_INITS_DESC); 1088 1089SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, vtag_time_wait, CTLTYPE_UINT | CTLFLAG_RW, 1090 &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sysctl_sctp_check, "IU", 1091 SCTPCTL_TIME_WAIT_DESC); 1092 1093SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, buffer_splitting, CTLTYPE_UINT | CTLFLAG_RW, 1094 &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sysctl_sctp_check, "IU", 1095 SCTPCTL_BUFFER_SPLITTING_DESC); 1096 1097SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, initial_cwnd, CTLTYPE_UINT | CTLFLAG_RW, 1098 &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sysctl_sctp_check, "IU", 1099 SCTPCTL_INITIAL_CWND_DESC); 1100 1101SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_bw, CTLTYPE_UINT | CTLFLAG_RW, 1102 &SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sysctl_sctp_check, "IU", 1103 SCTPCTL_RTTVAR_BW_DESC); 1104 1105SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_rtt, CTLTYPE_UINT | CTLFLAG_RW, 1106 &SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sysctl_sctp_check, "IU", 1107 SCTPCTL_RTTVAR_RTT_DESC); 1108 1109SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_eqret, CTLTYPE_UINT | CTLFLAG_RW, 1110 &SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sysctl_sctp_check, "IU", 1111 SCTPCTL_RTTVAR_EQRET_DESC); 1112 1113SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_steady_step, CTLTYPE_UINT | CTLFLAG_RW, 1114 &SCTP_BASE_SYSCTL(sctp_steady_step), 0, sysctl_sctp_check, "IU", 1115 SCTPCTL_RTTVAR_STEADYS_DESC); 1116 1117SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, use_dcccecn, CTLTYPE_UINT | CTLFLAG_RW, 1118 &SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sysctl_sctp_check, "IU", 1119 SCTPCTL_RTTVAR_DCCCECN_DESC); 1120 1121SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, blackhole, CTLTYPE_UINT | CTLFLAG_RW, 1122 &SCTP_BASE_SYSCTL(sctp_blackhole), 0, sysctl_sctp_check, "IU", 1123 SCTPCTL_BLACKHOLE_DESC); 1124 1125SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, diag_info_code, CTLTYPE_UINT | CTLFLAG_RW, 1126 &SCTP_BASE_SYSCTL(sctp_diag_info_code), 0, sysctl_sctp_check, "IU", 1127 SCTPCTL_DIAG_INFO_CODE_DESC); 1128 1129#ifdef SCTP_DEBUG 1130SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_UINT | CTLFLAG_RW, 1131 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU", 1132 SCTPCTL_DEBUG_DESC); 1133#endif 1134 1135 1136#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 1137SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_UINT | CTLFLAG_RW, 1138 &SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU", 1139 SCTPCTL_OUTPUT_UNLOCKED_DESC); 1140#endif 1141 1142#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1143SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, stats, 1144 CTLTYPE_STRUCT | CTLFLAG_RW, 1145 0, 0, sysctl_stat_get, "S,sctpstat", 1146 "SCTP statistics (struct sctp_stat)"); 1147#else 1148SYSCTL_VNET_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW, 1149 &SCTP_BASE_STATS_SYSCTL, sctpstat, 1150 "SCTP statistics (struct sctp_stat)"); 1151#endif 1152 1153SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLTYPE_OPAQUE | CTLFLAG_RD, 1154 0, 0, sctp_assoclist, 1155 "S,xassoc", "List of active SCTP associations"); 1156