sctp_sysctl.c revision 303267
1251881Speter/*- 2251881Speter * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 3251881Speter * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4251881Speter * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5251881Speter * 6251881Speter * Redistribution and use in source and binary forms, with or without 7251881Speter * modification, are permitted provided that the following conditions are met: 8251881Speter * 9251881Speter * a) Redistributions of source code must retain the above copyright notice, 10251881Speter * this list of conditions and the following disclaimer. 11251881Speter * 12251881Speter * b) Redistributions in binary form must reproduce the above copyright 13251881Speter * notice, this list of conditions and the following disclaimer in 14251881Speter * the documentation and/or other materials provided with the distribution. 15251881Speter * 16251881Speter * c) Neither the name of Cisco Systems, Inc. nor the names of its 17251881Speter * contributors may be used to endorse or promote products derived 18251881Speter * from this software without specific prior written permission. 19251881Speter * 20251881Speter * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21251881Speter * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22251881Speter * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23251881Speter * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24251881Speter * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25251881Speter * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26251881Speter * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27251881Speter * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28251881Speter * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29251881Speter * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30251881Speter * THE POSSIBILITY OF SUCH DAMAGE. 31251881Speter */ 32251881Speter 33251881Speter#include <sys/cdefs.h> 34251881Speter__FBSDID("$FreeBSD: stable/11/sys/netinet/sctp_sysctl.c 303267 2016-07-24 14:50:16Z tuexen $"); 35251881Speter 36251881Speter#include <netinet/sctp_os.h> 37251881Speter#include <netinet/sctp.h> 38251881Speter#include <netinet/sctp_constants.h> 39251881Speter#include <netinet/sctp_sysctl.h> 40251881Speter#include <netinet/sctp_pcb.h> 41251881Speter#include <netinet/sctputil.h> 42251881Speter#include <netinet/sctp_output.h> 43251881Speter#include <sys/smp.h> 44251881Speter#include <sys/sysctl.h> 45251881Speter 46251881SpeterFEATURE(sctp, "Stream Control Transmission Protocol"); 47251881Speter 48251881Speter/* 49251881Speter * sysctl tunable variables 50251881Speter */ 51251881Speter 52251881Spetervoid 53251881Spetersctp_init_sysctls() 54251881Speter{ 55251881Speter SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; 56251881Speter SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; 57251881Speter SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; 58251881Speter SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; 59251881Speter SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; 60251881Speter SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT; 61251881Speter SCTP_BASE_SYSCTL(sctp_auth_enable) = SCTPCTL_AUTH_ENABLE_DEFAULT; 62251881Speter SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT; 63251881Speter SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT; 64251881Speter SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT; 65251881Speter SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT; 66251881Speter SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; 67251881Speter SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; 68251881Speter SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT; 69251881Speter SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; 70251881Speter SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 71251881Speter SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 72251881Speter SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; 73251881Speter SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 74251881Speter SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT; 75251881Speter SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; 76251881Speter SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; 77251881Speter SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; 78251881Speter SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT; 79251881Speter SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; 80251881Speter SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT; 81251881Speter SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; 82251881Speter SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; 83251881Speter SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; 84251881Speter SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; 85251881Speter SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; 86251881Speter SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT; 87251881Speter SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; 88251881Speter SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; 89251881Speter SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; 90251881Speter SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT; 91251881Speter SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; 92251881Speter SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT; 93251881Speter SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT; 94251881Speter SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; 95251881Speter SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 96251881Speter SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 97251881Speter SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 98251881Speter SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 99251881Speter SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 100251881Speter SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 101251881Speter SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 102251881Speter SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 103251881Speter SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 104251881Speter SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 105251881Speter SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 106251881Speter SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 107251881Speter SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT; 108251881Speter SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 109251881Speter SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 110251881Speter SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 111251881Speter SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; 112251881Speter SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT; 113251881Speter SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT; 114251881Speter SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT; 115251881Speter SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT; 116251881Speter SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT; 117251881Speter SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT; 118251881Speter SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT; 119251881Speter SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT; 120251881Speter SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT; 121251881Speter#if defined(SCTP_LOCAL_TRACE_BUF) 122251881Speter memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 123251881Speter#endif 124251881Speter SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 125251881Speter SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 126251881Speter SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT; 127251881Speter#if defined(SCTP_DEBUG) 128251881Speter SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 129251881Speter#endif 130251881Speter#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 131251881Speter SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 132251881Speter#endif 133251881Speter} 134251881Speter 135251881Speter 136251881Speter/* It returns an upper limit. No filtering is done here */ 137251881Speterstatic unsigned int 138251881Spetersctp_sysctl_number_of_addresses(struct sctp_inpcb *inp) 139251881Speter{ 140251881Speter unsigned int cnt; 141251881Speter struct sctp_vrf *vrf; 142251881Speter struct sctp_ifn *sctp_ifn; 143251881Speter struct sctp_ifa *sctp_ifa; 144251881Speter struct sctp_laddr *laddr; 145251881Speter 146251881Speter cnt = 0; 147251881Speter /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 148251881Speter if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 149251881Speter return (0); 150251881Speter } 151251881Speter if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 152251881Speter LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 153251881Speter LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 154251881Speter switch (sctp_ifa->address.sa.sa_family) { 155251881Speter#ifdef INET 156251881Speter case AF_INET: 157251881Speter#endif 158251881Speter#ifdef INET6 159251881Speter case AF_INET6: 160251881Speter#endif 161251881Speter cnt++; 162251881Speter break; 163251881Speter default: 164251881Speter break; 165251881Speter } 166251881Speter } 167251881Speter } 168251881Speter } else { 169251881Speter LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 170251881Speter switch (laddr->ifa->address.sa.sa_family) { 171251881Speter#ifdef INET 172251881Speter case AF_INET: 173251881Speter#endif 174251881Speter#ifdef INET6 175251881Speter case AF_INET6: 176251881Speter#endif 177251881Speter cnt++; 178251881Speter break; 179251881Speter default: 180251881Speter break; 181251881Speter } 182251881Speter } 183251881Speter } 184251881Speter return (cnt); 185251881Speter} 186251881Speter 187251881Speterstatic int 188251881Spetersctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 189251881Speter{ 190251881Speter struct sctp_ifn *sctp_ifn; 191251881Speter struct sctp_ifa *sctp_ifa; 192251881Speter int loopback_scope, ipv4_local_scope, local_scope, site_scope; 193251881Speter int ipv4_addr_legal, ipv6_addr_legal; 194251881Speter struct sctp_vrf *vrf; 195251881Speter struct xsctp_laddr xladdr; 196251881Speter struct sctp_laddr *laddr; 197251881Speter int error; 198251881Speter 199251881Speter /* 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 = &sctp_ifa->address.sin; 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 = &sctp_ifa->address.sin6; 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 } 283 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 284 continue; 285 } else { 286 continue; 287 } 288 break; 289#endif 290 default: 291 continue; 292 } 293 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 294 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 295 SCTP_INP_RUNLOCK(inp); 296 SCTP_INP_INFO_RUNLOCK(); 297 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 298 if (error) { 299 return (error); 300 } else { 301 SCTP_INP_INFO_RLOCK(); 302 SCTP_INP_RLOCK(inp); 303 } 304 } 305 } 306 } else { 307 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 308 /* ignore if blacklisted at association level */ 309 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 310 continue; 311 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 312 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 313 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec; 314 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec; 315 SCTP_INP_RUNLOCK(inp); 316 SCTP_INP_INFO_RUNLOCK(); 317 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 318 if (error) { 319 return (error); 320 } else { 321 SCTP_INP_INFO_RLOCK(); 322 SCTP_INP_RLOCK(inp); 323 } 324 } 325 } 326 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 327 xladdr.last = 1; 328 SCTP_INP_RUNLOCK(inp); 329 SCTP_INP_INFO_RUNLOCK(); 330 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 331 332 if (error) { 333 return (error); 334 } else { 335 SCTP_INP_INFO_RLOCK(); 336 SCTP_INP_RLOCK(inp); 337 return (0); 338 } 339} 340 341/* 342 * sysctl functions 343 */ 344static int 345sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS) 346{ 347 unsigned int number_of_endpoints; 348 unsigned int number_of_local_addresses; 349 unsigned int number_of_associations; 350 unsigned int number_of_remote_addresses; 351 unsigned int n; 352 int error; 353 struct sctp_inpcb *inp; 354 struct sctp_tcb *stcb; 355 struct sctp_nets *net; 356 struct xsctp_inpcb xinpcb; 357 struct xsctp_tcb xstcb; 358 struct xsctp_raddr xraddr; 359 struct socket *so; 360 361 number_of_endpoints = 0; 362 number_of_local_addresses = 0; 363 number_of_associations = 0; 364 number_of_remote_addresses = 0; 365 366 SCTP_INP_INFO_RLOCK(); 367 if (req->oldptr == NULL) { 368 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 369 SCTP_INP_RLOCK(inp); 370 number_of_endpoints++; 371 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 372 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 373 number_of_associations++; 374 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 375 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 376 number_of_remote_addresses++; 377 } 378 } 379 SCTP_INP_RUNLOCK(inp); 380 } 381 SCTP_INP_INFO_RUNLOCK(); 382 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 383 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 384 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 385 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 386 387 /* request some more memory than needed */ 388 req->oldidx = (n + n / 8); 389 return (0); 390 } 391 if (req->newptr != NULL) { 392 SCTP_INP_INFO_RUNLOCK(); 393 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 394 return (EPERM); 395 } 396 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 397 SCTP_INP_RLOCK(inp); 398 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) { 399 /* if its allgone it is being freed - skip it */ 400 goto skip; 401 } 402 xinpcb.last = 0; 403 xinpcb.local_port = ntohs(inp->sctp_lport); 404 xinpcb.flags = inp->sctp_flags; 405 xinpcb.features = inp->sctp_features; 406 xinpcb.total_sends = inp->total_sends; 407 xinpcb.total_recvs = inp->total_recvs; 408 xinpcb.total_nospaces = inp->total_nospaces; 409 xinpcb.fragmentation_point = inp->sctp_frag_point; 410 xinpcb.socket = inp->sctp_socket; 411 so = inp->sctp_socket; 412 if ((so == NULL) || 413 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 414 xinpcb.qlen = 0; 415 xinpcb.maxqlen = 0; 416 } else { 417 xinpcb.qlen = so->so_qlen; 418 xinpcb.qlen_old = so->so_qlen > USHRT_MAX ? 419 USHRT_MAX : (uint16_t) so->so_qlen; 420 xinpcb.maxqlen = so->so_qlimit; 421 xinpcb.maxqlen_old = so->so_qlimit > USHRT_MAX ? 422 USHRT_MAX : (uint16_t) so->so_qlimit; 423 } 424 SCTP_INP_INCR_REF(inp); 425 SCTP_INP_RUNLOCK(inp); 426 SCTP_INP_INFO_RUNLOCK(); 427 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 428 if (error) { 429 SCTP_INP_DECR_REF(inp); 430 return (error); 431 } 432 SCTP_INP_INFO_RLOCK(); 433 SCTP_INP_RLOCK(inp); 434 error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req); 435 if (error) { 436 SCTP_INP_DECR_REF(inp); 437 return (error); 438 } 439 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 440 SCTP_TCB_LOCK(stcb); 441 atomic_add_int(&stcb->asoc.refcnt, 1); 442 SCTP_TCB_UNLOCK(stcb); 443 xstcb.last = 0; 444 xstcb.local_port = ntohs(inp->sctp_lport); 445 xstcb.remote_port = ntohs(stcb->rport); 446 if (stcb->asoc.primary_destination != NULL) 447 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 448 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 449 xstcb.state = (uint32_t) sctp_map_assoc_state(stcb->asoc.state); 450 /* 7.0 does not support these */ 451 xstcb.assoc_id = sctp_get_associd(stcb); 452 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 453 xstcb.in_streams = stcb->asoc.streamincnt; 454 xstcb.out_streams = stcb->asoc.streamoutcnt; 455 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 456 xstcb.primary_process = 0; /* not really supported 457 * yet */ 458 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 459 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 460 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 461 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec; 462 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec; 463 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec; 464 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec; 465 xstcb.total_sends = stcb->total_sends; 466 xstcb.total_recvs = stcb->total_recvs; 467 xstcb.local_tag = stcb->asoc.my_vtag; 468 xstcb.remote_tag = stcb->asoc.peer_vtag; 469 xstcb.initial_tsn = stcb->asoc.init_seq_number; 470 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 471 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 472 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 473 xstcb.mtu = stcb->asoc.smallest_mtu; 474 xstcb.refcnt = stcb->asoc.refcnt; 475 SCTP_INP_RUNLOCK(inp); 476 SCTP_INP_INFO_RUNLOCK(); 477 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 478 if (error) { 479 SCTP_INP_DECR_REF(inp); 480 atomic_subtract_int(&stcb->asoc.refcnt, 1); 481 return (error); 482 } 483 SCTP_INP_INFO_RLOCK(); 484 SCTP_INP_RLOCK(inp); 485 error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req); 486 if (error) { 487 SCTP_INP_DECR_REF(inp); 488 atomic_subtract_int(&stcb->asoc.refcnt, 1); 489 return (error); 490 } 491 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 492 xraddr.last = 0; 493 xraddr.address = net->ro._l_addr; 494 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 495 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 496 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 497 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF); 498 xraddr.rto = net->RTO; 499 xraddr.max_path_rtx = net->failure_threshold; 500 xraddr.rtx = net->marked_retrans; 501 xraddr.error_counter = net->error_count; 502 xraddr.cwnd = net->cwnd; 503 xraddr.flight_size = net->flight_size; 504 xraddr.mtu = net->mtu; 505 xraddr.rtt = net->rtt / 1000; 506 xraddr.heartbeat_interval = net->heart_beat_delay; 507 xraddr.ssthresh = net->ssthresh; 508 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec; 509 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec; 510 SCTP_INP_RUNLOCK(inp); 511 SCTP_INP_INFO_RUNLOCK(); 512 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 513 if (error) { 514 SCTP_INP_DECR_REF(inp); 515 atomic_subtract_int(&stcb->asoc.refcnt, 1); 516 return (error); 517 } 518 SCTP_INP_INFO_RLOCK(); 519 SCTP_INP_RLOCK(inp); 520 } 521 atomic_subtract_int(&stcb->asoc.refcnt, 1); 522 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 523 xraddr.last = 1; 524 SCTP_INP_RUNLOCK(inp); 525 SCTP_INP_INFO_RUNLOCK(); 526 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 527 if (error) { 528 SCTP_INP_DECR_REF(inp); 529 return (error); 530 } 531 SCTP_INP_INFO_RLOCK(); 532 SCTP_INP_RLOCK(inp); 533 } 534 SCTP_INP_DECR_REF(inp); 535 SCTP_INP_RUNLOCK(inp); 536 SCTP_INP_INFO_RUNLOCK(); 537 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 538 xstcb.last = 1; 539 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 540 if (error) { 541 return (error); 542 } 543skip: 544 SCTP_INP_INFO_RLOCK(); 545 } 546 SCTP_INP_INFO_RUNLOCK(); 547 548 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 549 xinpcb.last = 1; 550 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 551 return (error); 552} 553 554static int 555sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS) 556{ 557 int error; 558 uint32_t old, new; 559 560 SCTP_INP_INFO_RLOCK(); 561 old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 562 SCTP_INP_INFO_RUNLOCK(); 563 new = old; 564 error = sysctl_handle_int(oidp, &new, 0, req); 565 if ((error == 0) && 566 (req->newptr != NULL)) { 567#if (SCTPCTL_UDP_TUNNELING_PORT_MIN == 0) 568 if (new > SCTPCTL_UDP_TUNNELING_PORT_MAX) { 569#else 570 if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) || 571 (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) { 572#endif 573 error = EINVAL; 574 } else { 575 SCTP_INP_INFO_WLOCK(); 576 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new; 577 if (old != 0) { 578 sctp_over_udp_stop(); 579 } 580 if (new != 0) { 581 error = sctp_over_udp_start(); 582 } 583 SCTP_INP_INFO_WUNLOCK(); 584 } 585 } 586 return (error); 587} 588 589 590static int 591sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS) 592{ 593 int error; 594 uint32_t new; 595 596 new = SCTP_BASE_SYSCTL(sctp_auth_enable); 597 error = sysctl_handle_int(oidp, &new, 0, req); 598 if ((error == 0) && 599 (req->newptr != NULL)) { 600#if (SCTPCTL_AUTH_ENABLE_MIN == 0) 601 if ((new > SCTPCTL_AUTH_ENABLE_MAX) || 602 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 603#else 604 if ((new < SCTPCTL_AUTH_ENABLE_MIN) || 605 (new > SCTPCTL_AUTH_ENABLE_MAX) || 606 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 607#endif 608 error = EINVAL; 609 } else { 610 SCTP_BASE_SYSCTL(sctp_auth_enable) = new; 611 } 612 } 613 return (error); 614} 615 616static int 617sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS) 618{ 619 int error; 620 uint32_t new; 621 622 new = SCTP_BASE_SYSCTL(sctp_asconf_enable); 623 error = sysctl_handle_int(oidp, &new, 0, req); 624 if ((error == 0) && 625 (req->newptr != NULL)) { 626#if (SCTPCTL_ASCONF_ENABLE_MIN == 0) 627 if ((new > SCTPCTL_ASCONF_ENABLE_MAX) || 628 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 629#else 630 if ((new < SCTPCTL_ASCONF_ENABLE_MIN) || 631 (new > SCTPCTL_ASCONF_ENABLE_MAX) || 632 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 633#endif 634 error = EINVAL; 635 } else { 636 SCTP_BASE_SYSCTL(sctp_asconf_enable) = new; 637 } 638 } 639 return (error); 640} 641 642static int 643sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS) 644{ 645 int error; 646 647#if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 648 struct sctpstat *sarry; 649 struct sctpstat sb; 650 int cpu; 651 652#endif 653 struct sctpstat sb_temp; 654 655 if ((req->newptr != NULL) && 656 (req->newlen != sizeof(struct sctpstat))) { 657 return (EINVAL); 658 } 659 memset(&sb_temp, 0, sizeof(struct sctpstat)); 660 661 if (req->newptr != NULL) { 662 error = SYSCTL_IN(req, &sb_temp, sizeof(struct sctpstat)); 663 if (error != 0) { 664 return (error); 665 } 666 } 667#if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 668 memset(&sb, 0, sizeof(sb)); 669 for (cpu = 0; cpu < mp_maxid; cpu++) { 670 sarry = &SCTP_BASE_STATS[cpu]; 671 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { 672 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; 673 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; 674 } 675 sb.sctps_currestab += sarry->sctps_currestab; 676 sb.sctps_activeestab += sarry->sctps_activeestab; 677 sb.sctps_restartestab += sarry->sctps_restartestab; 678 sb.sctps_collisionestab += sarry->sctps_collisionestab; 679 sb.sctps_passiveestab += sarry->sctps_passiveestab; 680 sb.sctps_aborted += sarry->sctps_aborted; 681 sb.sctps_shutdown += sarry->sctps_shutdown; 682 sb.sctps_outoftheblue += sarry->sctps_outoftheblue; 683 sb.sctps_checksumerrors += sarry->sctps_checksumerrors; 684 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; 685 sb.sctps_outorderchunks += sarry->sctps_outorderchunks; 686 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; 687 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; 688 sb.sctps_inorderchunks += sarry->sctps_inorderchunks; 689 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; 690 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; 691 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; 692 sb.sctps_outpackets += sarry->sctps_outpackets; 693 sb.sctps_inpackets += sarry->sctps_inpackets; 694 sb.sctps_recvpackets += sarry->sctps_recvpackets; 695 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; 696 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; 697 sb.sctps_recvsacks += sarry->sctps_recvsacks; 698 sb.sctps_recvdata += sarry->sctps_recvdata; 699 sb.sctps_recvdupdata += sarry->sctps_recvdupdata; 700 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; 701 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; 702 sb.sctps_recvecne += sarry->sctps_recvecne; 703 sb.sctps_recvauth += sarry->sctps_recvauth; 704 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; 705 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; 706 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; 707 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; 708 sb.sctps_recvexpress += sarry->sctps_recvexpress; 709 sb.sctps_recvexpressm += sarry->sctps_recvexpressm; 710 sb.sctps_recvnocrc += sarry->sctps_recvnocrc; 711 sb.sctps_recvswcrc += sarry->sctps_recvswcrc; 712 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; 713 sb.sctps_sendpackets += sarry->sctps_sendpackets; 714 sb.sctps_sendsacks += sarry->sctps_sendsacks; 715 sb.sctps_senddata += sarry->sctps_senddata; 716 sb.sctps_sendretransdata += sarry->sctps_sendretransdata; 717 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; 718 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; 719 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; 720 sb.sctps_sendecne += sarry->sctps_sendecne; 721 sb.sctps_sendauth += sarry->sctps_sendauth; 722 sb.sctps_senderrors += sarry->sctps_senderrors; 723 sb.sctps_sendnocrc += sarry->sctps_sendnocrc; 724 sb.sctps_sendswcrc += sarry->sctps_sendswcrc; 725 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; 726 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; 727 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; 728 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; 729 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; 730 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; 731 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; 732 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; 733 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; 734 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; 735 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; 736 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; 737 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; 738 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; 739 sb.sctps_pdrpmark += sarry->sctps_pdrpmark; 740 sb.sctps_timoiterator += sarry->sctps_timoiterator; 741 sb.sctps_timodata += sarry->sctps_timodata; 742 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; 743 sb.sctps_timoinit += sarry->sctps_timoinit; 744 sb.sctps_timosack += sarry->sctps_timosack; 745 sb.sctps_timoshutdown += sarry->sctps_timoshutdown; 746 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; 747 sb.sctps_timocookie += sarry->sctps_timocookie; 748 sb.sctps_timosecret += sarry->sctps_timosecret; 749 sb.sctps_timopathmtu += sarry->sctps_timopathmtu; 750 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; 751 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; 752 sb.sctps_timostrmrst += sarry->sctps_timostrmrst; 753 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; 754 sb.sctps_timoasconf += sarry->sctps_timoasconf; 755 sb.sctps_timodelprim += sarry->sctps_timodelprim; 756 sb.sctps_timoautoclose += sarry->sctps_timoautoclose; 757 sb.sctps_timoassockill += sarry->sctps_timoassockill; 758 sb.sctps_timoinpkill += sarry->sctps_timoinpkill; 759 sb.sctps_hdrops += sarry->sctps_hdrops; 760 sb.sctps_badsum += sarry->sctps_badsum; 761 sb.sctps_noport += sarry->sctps_noport; 762 sb.sctps_badvtag += sarry->sctps_badvtag; 763 sb.sctps_badsid += sarry->sctps_badsid; 764 sb.sctps_nomem += sarry->sctps_nomem; 765 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; 766 sb.sctps_markedretrans += sarry->sctps_markedretrans; 767 sb.sctps_naglesent += sarry->sctps_naglesent; 768 sb.sctps_naglequeued += sarry->sctps_naglequeued; 769 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; 770 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; 771 sb.sctps_windowprobed += sarry->sctps_windowprobed; 772 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; 773 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; 774 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; 775 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; 776 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; 777 sb.sctps_vtagexpress += sarry->sctps_vtagexpress; 778 sb.sctps_vtagbogus += sarry->sctps_vtagbogus; 779 sb.sctps_primary_randry += sarry->sctps_primary_randry; 780 sb.sctps_cmt_randry += sarry->sctps_cmt_randry; 781 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; 782 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; 783 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; 784 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; 785 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; 786 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; 787 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; 788 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; 789 sb.sctps_read_peeks += sarry->sctps_read_peeks; 790 sb.sctps_cached_chk += sarry->sctps_cached_chk; 791 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; 792 sb.sctps_left_abandon += sarry->sctps_left_abandon; 793 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; 794 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; 795 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; 796 if (req->newptr != NULL) { 797 memcpy(sarry, &sb_temp, sizeof(struct sctpstat)); 798 } 799 } 800 error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat)); 801#else 802 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat)); 803 if (error != 0) { 804 return (error); 805 } 806 if (req->newptr != NULL) { 807 memcpy(&SCTP_BASE_STATS, &sb_temp, sizeof(struct sctpstat)); 808 } 809#endif 810 return (error); 811} 812 813#if defined(SCTP_LOCAL_TRACE_BUF) 814static int 815sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS) 816{ 817 int error; 818 819 error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log)); 820 return (error); 821} 822 823static int 824sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS) 825{ 826 int error = 0; 827 828 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 829 return (error); 830} 831 832#endif 833 834#define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \ 835 static int \ 836 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \ 837 { \ 838 int error; \ 839 uint32_t new; \ 840 \ 841 new = SCTP_BASE_SYSCTL(var_name); \ 842 error = sysctl_handle_int(oidp, &new, 0, req); \ 843 if ((error == 0) && (req->newptr != NULL)) { \ 844 if ((new < prefix##_MIN) || \ 845 (new > prefix##_MAX)) { \ 846 error = EINVAL; \ 847 } else { \ 848 SCTP_BASE_SYSCTL(var_name) = new; \ 849 } \ 850 } \ 851 return (error); \ 852 } \ 853 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \ 854 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \ 855 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC); 856 857/* 858 * sysctl definitions 859 */ 860 861SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM) 862SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE) 863SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF) 864SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE) 865SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE) 866SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 867 NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC); 868SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 869 NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC); 870SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE) 871SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE) 872SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE) 873SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH) 874SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST) 875SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST) 876SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS) 877SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE) 878SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE) 879SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT) 880SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE) 881SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME) 882SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ) 883SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE) 884SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE) 885SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL) 886SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME) 887SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME) 888SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME) 889SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX) 890SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN) 891SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL) 892SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX) 893SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE) 894SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX) 895SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX) 896SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX) 897SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD) 898SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT) 899SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS) 900SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS) 901SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF) 902SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC) 903SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST) 904SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY) 905SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR) 906SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS) 907SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN) 908SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST) 909SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT) 910SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL) 911SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK) 912SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL) 913SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE) 914SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE) 915SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE) 916SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE) 917SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF) 918#if defined(SCTP_LOCAL_TRACE_BUF) 919SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RD, 920 NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)"); 921SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 922 NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer"); 923#endif 924SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 925 NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC); 926SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE) 927SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS) 928SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT) 929SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING) 930SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND) 931SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW) 932SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT) 933SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET) 934SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS) 935SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN) 936SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE) 937SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE) 938#ifdef SCTP_DEBUG 939SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG) 940#endif 941#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 942SCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED) 943#endif 944SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RW, 945 NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)"); 946SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET | CTLTYPE_OPAQUE | CTLFLAG_RD, 947 NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations"); 948