1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <netinet/sctp.h> 40 #include <netinet/sctp_constants.h> 41 #include <netinet/sctp_sysctl.h> 42 #include <netinet/sctp_pcb.h> 43 #include <netinet/sctputil.h> 44 #include <netinet/sctp_output.h> 45 #include <sys/smp.h> 46 #include <sys/sysctl.h> 47 48 FEATURE(sctp, "Stream Control Transmission Protocol"); 49 50 /* 51 * sysctl tunable variables 52 */ 53 54 void 55 sctp_init_sysctls() 56 { 57 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; 58 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; 59 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; 60 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; 61 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; 62 SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT; 63 SCTP_BASE_SYSCTL(sctp_auth_enable) = SCTPCTL_AUTH_ENABLE_DEFAULT; 64 SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT; 65 SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT; 66 SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT; 67 SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT; 68 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; 69 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; 70 SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT; 71 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; 72 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 73 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 74 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; 75 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 76 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT; 77 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; 78 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; 79 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; 80 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT; 81 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; 82 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT; 83 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; 84 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; 85 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; 86 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; 87 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; 88 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT; 89 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; 90 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; 91 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; 92 SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT; 93 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; 94 SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT; 95 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT; 96 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; 97 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 98 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 99 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 100 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 101 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 102 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 103 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 104 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 105 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 106 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 107 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 108 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 109 SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT; 110 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 111 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 112 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 113 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; 114 SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT; 115 SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT; 116 SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT; 117 SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT; 118 SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT; 119 SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT; 120 SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT; 121 SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT; 122 SCTP_BASE_SYSCTL(sctp_sendall_limit) = SCTPCTL_SENDALL_LIMIT_DEFAULT; 123 SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT; 124 #if defined(SCTP_LOCAL_TRACE_BUF) 125 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 126 #endif 127 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 128 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 129 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT; 130 #if defined(SCTP_DEBUG) 131 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 132 #endif 133 } 134 135 /* It returns an upper limit. No filtering is done here */ 136 static unsigned int 137 sctp_sysctl_number_of_addresses(struct sctp_inpcb *inp) 138 { 139 unsigned int cnt; 140 struct sctp_vrf *vrf; 141 struct sctp_ifn *sctp_ifn; 142 struct sctp_ifa *sctp_ifa; 143 struct sctp_laddr *laddr; 144 145 cnt = 0; 146 /* neither Mac OS X nor FreeBSD support multiple routing functions */ 147 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 148 return (0); 149 } 150 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 151 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 152 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 153 switch (sctp_ifa->address.sa.sa_family) { 154 #ifdef INET 155 case AF_INET: 156 #endif 157 #ifdef INET6 158 case AF_INET6: 159 #endif 160 cnt++; 161 break; 162 default: 163 break; 164 } 165 } 166 } 167 } else { 168 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 169 switch (laddr->ifa->address.sa.sa_family) { 170 #ifdef INET 171 case AF_INET: 172 #endif 173 #ifdef INET6 174 case AF_INET6: 175 #endif 176 cnt++; 177 break; 178 default: 179 break; 180 } 181 } 182 } 183 return (cnt); 184 } 185 186 static int 187 sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 188 { 189 struct sctp_ifn *sctp_ifn; 190 struct sctp_ifa *sctp_ifa; 191 int loopback_scope; 192 #ifdef INET 193 int ipv4_local_scope; 194 int ipv4_addr_legal; 195 #endif 196 #ifdef INET6 197 int local_scope, site_scope; 198 int ipv6_addr_legal; 199 #endif 200 struct sctp_vrf *vrf; 201 struct xsctp_laddr xladdr; 202 struct sctp_laddr *laddr; 203 int error; 204 205 /* Turn on all the appropriate scope */ 206 if (stcb) { 207 /* use association specific values */ 208 loopback_scope = stcb->asoc.scope.loopback_scope; 209 #ifdef INET 210 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 211 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 212 #endif 213 #ifdef INET6 214 local_scope = stcb->asoc.scope.local_scope; 215 site_scope = stcb->asoc.scope.site_scope; 216 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 217 #endif 218 } else { 219 /* Use generic values for endpoints. */ 220 loopback_scope = 1; 221 #ifdef INET 222 ipv4_local_scope = 1; 223 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6 && 224 SCTP_IPV6_V6ONLY(inp)) 225 ipv4_addr_legal = 0; 226 else 227 ipv4_addr_legal = 1; 228 #endif 229 #ifdef INET6 230 local_scope = 1; 231 site_scope = 1; 232 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) 233 ipv6_addr_legal = 1; 234 else 235 ipv6_addr_legal = 0; 236 #endif 237 } 238 239 /* neither Mac OS X nor FreeBSD support multiple routing functions */ 240 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 241 SCTP_INP_RUNLOCK(inp); 242 SCTP_INP_INFO_RUNLOCK(); 243 return (-1); 244 } 245 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 246 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 247 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 248 /* Skip loopback if loopback_scope not set */ 249 continue; 250 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 251 if (stcb) { 252 /* 253 * ignore if blacklisted at 254 * association level 255 */ 256 if (sctp_is_addr_restricted(stcb, sctp_ifa)) 257 continue; 258 } 259 switch (sctp_ifa->address.sa.sa_family) { 260 #ifdef INET 261 case AF_INET: 262 if (ipv4_addr_legal) { 263 struct sockaddr_in *sin; 264 265 sin = &sctp_ifa->address.sin; 266 if (sin->sin_addr.s_addr == 0) 267 continue; 268 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 269 &sin->sin_addr) != 0) { 270 continue; 271 } 272 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) 273 continue; 274 } else { 275 continue; 276 } 277 break; 278 #endif 279 #ifdef INET6 280 case AF_INET6: 281 if (ipv6_addr_legal) { 282 struct sockaddr_in6 *sin6; 283 284 sin6 = &sctp_ifa->address.sin6; 285 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) 286 continue; 287 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 288 &sin6->sin6_addr) != 0) { 289 continue; 290 } 291 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 292 if (local_scope == 0) 293 continue; 294 } 295 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 296 continue; 297 } else { 298 continue; 299 } 300 break; 301 #endif 302 default: 303 continue; 304 } 305 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 306 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 307 SCTP_INP_RUNLOCK(inp); 308 SCTP_INP_INFO_RUNLOCK(); 309 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 310 if (error) { 311 return (error); 312 } else { 313 SCTP_INP_INFO_RLOCK(); 314 SCTP_INP_RLOCK(inp); 315 } 316 } 317 } 318 } else { 319 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 320 /* ignore if blacklisted at association level */ 321 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 322 continue; 323 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 324 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 325 xladdr.start_time.tv_sec = (uint32_t)laddr->start_time.tv_sec; 326 xladdr.start_time.tv_usec = (uint32_t)laddr->start_time.tv_usec; 327 SCTP_INP_RUNLOCK(inp); 328 SCTP_INP_INFO_RUNLOCK(); 329 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 330 if (error) { 331 return (error); 332 } else { 333 SCTP_INP_INFO_RLOCK(); 334 SCTP_INP_RLOCK(inp); 335 } 336 } 337 } 338 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 339 xladdr.last = 1; 340 SCTP_INP_RUNLOCK(inp); 341 SCTP_INP_INFO_RUNLOCK(); 342 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 343 344 if (error) { 345 return (error); 346 } else { 347 SCTP_INP_INFO_RLOCK(); 348 SCTP_INP_RLOCK(inp); 349 return (0); 350 } 351 } 352 353 /* 354 * sysctl functions 355 */ 356 static int 357 sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS) 358 { 359 unsigned int number_of_endpoints; 360 unsigned int number_of_local_addresses; 361 unsigned int number_of_associations; 362 unsigned int number_of_remote_addresses; 363 unsigned int n; 364 int error; 365 struct sctp_inpcb *inp; 366 struct sctp_tcb *stcb; 367 struct sctp_nets *net; 368 struct xsctp_inpcb xinpcb; 369 struct xsctp_tcb xstcb; 370 struct xsctp_raddr xraddr; 371 struct socket *so; 372 373 number_of_endpoints = 0; 374 number_of_local_addresses = 0; 375 number_of_associations = 0; 376 number_of_remote_addresses = 0; 377 378 SCTP_INP_INFO_RLOCK(); 379 if (req->oldptr == NULL) { 380 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 381 SCTP_INP_RLOCK(inp); 382 number_of_endpoints++; 383 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 384 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 385 number_of_associations++; 386 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 387 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 388 number_of_remote_addresses++; 389 } 390 } 391 SCTP_INP_RUNLOCK(inp); 392 } 393 SCTP_INP_INFO_RUNLOCK(); 394 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 395 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 396 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 397 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 398 399 /* request some more memory than needed */ 400 req->oldidx = (n + n / 8); 401 return (0); 402 } 403 if (req->newptr != NULL) { 404 SCTP_INP_INFO_RUNLOCK(); 405 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 406 return (EPERM); 407 } 408 memset(&xinpcb, 0, sizeof(xinpcb)); 409 memset(&xstcb, 0, sizeof(xstcb)); 410 memset(&xraddr, 0, sizeof(xraddr)); 411 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 412 SCTP_INP_RLOCK(inp); 413 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) { 414 /* if its allgone it is being freed - skip it */ 415 goto skip; 416 } 417 xinpcb.last = 0; 418 xinpcb.local_port = ntohs(inp->sctp_lport); 419 xinpcb.flags = inp->sctp_flags; 420 xinpcb.features = inp->sctp_features; 421 xinpcb.total_sends = inp->total_sends; 422 xinpcb.total_recvs = inp->total_recvs; 423 xinpcb.total_nospaces = inp->total_nospaces; 424 xinpcb.fragmentation_point = inp->sctp_frag_point; 425 xinpcb.socket = (uintptr_t)inp->sctp_socket; 426 so = inp->sctp_socket; 427 if ((so == NULL) || 428 (!SCTP_IS_LISTENING(inp)) || 429 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 430 xinpcb.qlen = 0; 431 xinpcb.maxqlen = 0; 432 } else { 433 xinpcb.qlen = so->sol_qlen; 434 xinpcb.qlen_old = so->sol_qlen > USHRT_MAX ? 435 USHRT_MAX : (uint16_t)so->sol_qlen; 436 xinpcb.maxqlen = so->sol_qlimit; 437 xinpcb.maxqlen_old = so->sol_qlimit > USHRT_MAX ? 438 USHRT_MAX : (uint16_t)so->sol_qlimit; 439 } 440 SCTP_INP_INCR_REF(inp); 441 SCTP_INP_RUNLOCK(inp); 442 SCTP_INP_INFO_RUNLOCK(); 443 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 444 if (error) { 445 SCTP_INP_DECR_REF(inp); 446 return (error); 447 } 448 SCTP_INP_INFO_RLOCK(); 449 SCTP_INP_RLOCK(inp); 450 error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req); 451 if (error) { 452 SCTP_INP_DECR_REF(inp); 453 return (error); 454 } 455 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 456 SCTP_TCB_LOCK(stcb); 457 atomic_add_int(&stcb->asoc.refcnt, 1); 458 SCTP_TCB_UNLOCK(stcb); 459 xstcb.last = 0; 460 xstcb.local_port = ntohs(inp->sctp_lport); 461 xstcb.remote_port = ntohs(stcb->rport); 462 if (stcb->asoc.primary_destination != NULL) 463 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 464 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 465 xstcb.state = (uint32_t)sctp_map_assoc_state(stcb->asoc.state); 466 xstcb.assoc_id = sctp_get_associd(stcb); 467 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 468 xstcb.in_streams = stcb->asoc.streamincnt; 469 xstcb.out_streams = stcb->asoc.streamoutcnt; 470 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 471 xstcb.primary_process = 0; /* not really supported 472 * yet */ 473 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 474 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 475 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 476 xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec; 477 xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec; 478 xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec; 479 xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec; 480 xstcb.total_sends = stcb->total_sends; 481 xstcb.total_recvs = stcb->total_recvs; 482 xstcb.local_tag = stcb->asoc.my_vtag; 483 xstcb.remote_tag = stcb->asoc.peer_vtag; 484 xstcb.initial_tsn = stcb->asoc.init_seq_number; 485 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 486 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 487 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 488 xstcb.mtu = stcb->asoc.smallest_mtu; 489 xstcb.refcnt = stcb->asoc.refcnt; 490 SCTP_INP_RUNLOCK(inp); 491 SCTP_INP_INFO_RUNLOCK(); 492 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 493 if (error) { 494 SCTP_INP_DECR_REF(inp); 495 atomic_subtract_int(&stcb->asoc.refcnt, 1); 496 return (error); 497 } 498 SCTP_INP_INFO_RLOCK(); 499 SCTP_INP_RLOCK(inp); 500 error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req); 501 if (error) { 502 SCTP_INP_DECR_REF(inp); 503 atomic_subtract_int(&stcb->asoc.refcnt, 1); 504 return (error); 505 } 506 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 507 xraddr.last = 0; 508 xraddr.address = net->ro._l_addr; 509 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 510 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 511 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 512 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF); 513 xraddr.rto = net->RTO; 514 xraddr.max_path_rtx = net->failure_threshold; 515 xraddr.rtx = net->marked_retrans; 516 xraddr.error_counter = net->error_count; 517 xraddr.cwnd = net->cwnd; 518 xraddr.flight_size = net->flight_size; 519 xraddr.mtu = net->mtu; 520 xraddr.rtt = net->rtt / 1000; 521 xraddr.heartbeat_interval = net->heart_beat_delay; 522 xraddr.ssthresh = net->ssthresh; 523 xraddr.encaps_port = net->port; 524 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 525 xraddr.state = SCTP_UNCONFIRMED; 526 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 527 xraddr.state = SCTP_ACTIVE; 528 } else { 529 xraddr.state = SCTP_INACTIVE; 530 } 531 xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec; 532 xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec; 533 SCTP_INP_RUNLOCK(inp); 534 SCTP_INP_INFO_RUNLOCK(); 535 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 536 if (error) { 537 SCTP_INP_DECR_REF(inp); 538 atomic_subtract_int(&stcb->asoc.refcnt, 1); 539 return (error); 540 } 541 SCTP_INP_INFO_RLOCK(); 542 SCTP_INP_RLOCK(inp); 543 } 544 atomic_subtract_int(&stcb->asoc.refcnt, 1); 545 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 546 xraddr.last = 1; 547 SCTP_INP_RUNLOCK(inp); 548 SCTP_INP_INFO_RUNLOCK(); 549 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 550 if (error) { 551 SCTP_INP_DECR_REF(inp); 552 return (error); 553 } 554 SCTP_INP_INFO_RLOCK(); 555 SCTP_INP_RLOCK(inp); 556 } 557 SCTP_INP_DECR_REF(inp); 558 SCTP_INP_RUNLOCK(inp); 559 SCTP_INP_INFO_RUNLOCK(); 560 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 561 xstcb.last = 1; 562 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 563 if (error) { 564 return (error); 565 } 566 skip: 567 SCTP_INP_INFO_RLOCK(); 568 } 569 SCTP_INP_INFO_RUNLOCK(); 570 571 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 572 xinpcb.last = 1; 573 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 574 return (error); 575 } 576 577 static int 578 sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS) 579 { 580 int error; 581 uint32_t old, new; 582 583 SCTP_INP_INFO_RLOCK(); 584 old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 585 SCTP_INP_INFO_RUNLOCK(); 586 new = old; 587 error = sysctl_handle_int(oidp, &new, 0, req); 588 if ((error == 0) && 589 (req->newptr != NULL)) { 590 #if (SCTPCTL_UDP_TUNNELING_PORT_MIN == 0) 591 if (new > SCTPCTL_UDP_TUNNELING_PORT_MAX) { 592 #else 593 if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) || 594 (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) { 595 #endif 596 error = EINVAL; 597 } else { 598 SCTP_INP_INFO_WLOCK(); 599 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new; 600 if (old != 0) { 601 sctp_over_udp_stop(); 602 } 603 if (new != 0) { 604 error = sctp_over_udp_start(); 605 } 606 SCTP_INP_INFO_WUNLOCK(); 607 } 608 } 609 return (error); 610 } 611 612 static int 613 sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS) 614 { 615 int error; 616 uint32_t new; 617 618 new = SCTP_BASE_SYSCTL(sctp_auth_enable); 619 error = sysctl_handle_int(oidp, &new, 0, req); 620 if ((error == 0) && 621 (req->newptr != NULL)) { 622 #if (SCTPCTL_AUTH_ENABLE_MIN == 0) 623 if ((new > SCTPCTL_AUTH_ENABLE_MAX) || 624 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 625 #else 626 if ((new < SCTPCTL_AUTH_ENABLE_MIN) || 627 (new > SCTPCTL_AUTH_ENABLE_MAX) || 628 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 629 #endif 630 error = EINVAL; 631 } else { 632 SCTP_BASE_SYSCTL(sctp_auth_enable) = new; 633 } 634 } 635 return (error); 636 } 637 638 static int 639 sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS) 640 { 641 int error; 642 uint32_t new; 643 644 new = SCTP_BASE_SYSCTL(sctp_asconf_enable); 645 error = sysctl_handle_int(oidp, &new, 0, req); 646 if ((error == 0) && 647 (req->newptr != NULL)) { 648 #if (SCTPCTL_ASCONF_ENABLE_MIN == 0) 649 if ((new > SCTPCTL_ASCONF_ENABLE_MAX) || 650 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 651 #else 652 if ((new < SCTPCTL_ASCONF_ENABLE_MIN) || 653 (new > SCTPCTL_ASCONF_ENABLE_MAX) || 654 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 655 #endif 656 error = EINVAL; 657 } else { 658 SCTP_BASE_SYSCTL(sctp_asconf_enable) = new; 659 } 660 } 661 return (error); 662 } 663 664 static int 665 sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS) 666 { 667 int error; 668 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 669 struct sctpstat *sarry; 670 struct sctpstat sb; 671 int cpu; 672 #endif 673 struct sctpstat sb_temp; 674 675 if ((req->newptr != NULL) && 676 (req->newlen != sizeof(struct sctpstat))) { 677 return (EINVAL); 678 } 679 memset(&sb_temp, 0, sizeof(struct sctpstat)); 680 681 if (req->newptr != NULL) { 682 error = SYSCTL_IN(req, &sb_temp, sizeof(struct sctpstat)); 683 if (error != 0) { 684 return (error); 685 } 686 } 687 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 688 memset(&sb, 0, sizeof(sb)); 689 for (cpu = 0; cpu < mp_maxid; cpu++) { 690 sarry = &SCTP_BASE_STATS[cpu]; 691 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { 692 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; 693 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; 694 } 695 sb.sctps_currestab += sarry->sctps_currestab; 696 sb.sctps_activeestab += sarry->sctps_activeestab; 697 sb.sctps_restartestab += sarry->sctps_restartestab; 698 sb.sctps_collisionestab += sarry->sctps_collisionestab; 699 sb.sctps_passiveestab += sarry->sctps_passiveestab; 700 sb.sctps_aborted += sarry->sctps_aborted; 701 sb.sctps_shutdown += sarry->sctps_shutdown; 702 sb.sctps_outoftheblue += sarry->sctps_outoftheblue; 703 sb.sctps_checksumerrors += sarry->sctps_checksumerrors; 704 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; 705 sb.sctps_outorderchunks += sarry->sctps_outorderchunks; 706 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; 707 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; 708 sb.sctps_inorderchunks += sarry->sctps_inorderchunks; 709 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; 710 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; 711 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; 712 sb.sctps_outpackets += sarry->sctps_outpackets; 713 sb.sctps_inpackets += sarry->sctps_inpackets; 714 sb.sctps_recvpackets += sarry->sctps_recvpackets; 715 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; 716 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; 717 sb.sctps_recvsacks += sarry->sctps_recvsacks; 718 sb.sctps_recvdata += sarry->sctps_recvdata; 719 sb.sctps_recvdupdata += sarry->sctps_recvdupdata; 720 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; 721 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; 722 sb.sctps_recvecne += sarry->sctps_recvecne; 723 sb.sctps_recvauth += sarry->sctps_recvauth; 724 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; 725 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; 726 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; 727 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; 728 sb.sctps_recvexpress += sarry->sctps_recvexpress; 729 sb.sctps_recvexpressm += sarry->sctps_recvexpressm; 730 sb.sctps_recvswcrc += sarry->sctps_recvswcrc; 731 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; 732 sb.sctps_sendpackets += sarry->sctps_sendpackets; 733 sb.sctps_sendsacks += sarry->sctps_sendsacks; 734 sb.sctps_senddata += sarry->sctps_senddata; 735 sb.sctps_sendretransdata += sarry->sctps_sendretransdata; 736 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; 737 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; 738 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; 739 sb.sctps_sendecne += sarry->sctps_sendecne; 740 sb.sctps_sendauth += sarry->sctps_sendauth; 741 sb.sctps_senderrors += sarry->sctps_senderrors; 742 sb.sctps_sendswcrc += sarry->sctps_sendswcrc; 743 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; 744 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; 745 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; 746 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; 747 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; 748 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; 749 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; 750 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; 751 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; 752 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; 753 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; 754 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; 755 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; 756 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; 757 sb.sctps_pdrpmark += sarry->sctps_pdrpmark; 758 sb.sctps_timoiterator += sarry->sctps_timoiterator; 759 sb.sctps_timodata += sarry->sctps_timodata; 760 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; 761 sb.sctps_timoinit += sarry->sctps_timoinit; 762 sb.sctps_timosack += sarry->sctps_timosack; 763 sb.sctps_timoshutdown += sarry->sctps_timoshutdown; 764 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; 765 sb.sctps_timocookie += sarry->sctps_timocookie; 766 sb.sctps_timosecret += sarry->sctps_timosecret; 767 sb.sctps_timopathmtu += sarry->sctps_timopathmtu; 768 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; 769 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; 770 sb.sctps_timostrmrst += sarry->sctps_timostrmrst; 771 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; 772 sb.sctps_timoasconf += sarry->sctps_timoasconf; 773 sb.sctps_timodelprim += sarry->sctps_timodelprim; 774 sb.sctps_timoautoclose += sarry->sctps_timoautoclose; 775 sb.sctps_timoassockill += sarry->sctps_timoassockill; 776 sb.sctps_timoinpkill += sarry->sctps_timoinpkill; 777 sb.sctps_hdrops += sarry->sctps_hdrops; 778 sb.sctps_badsum += sarry->sctps_badsum; 779 sb.sctps_noport += sarry->sctps_noport; 780 sb.sctps_badvtag += sarry->sctps_badvtag; 781 sb.sctps_badsid += sarry->sctps_badsid; 782 sb.sctps_nomem += sarry->sctps_nomem; 783 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; 784 sb.sctps_markedretrans += sarry->sctps_markedretrans; 785 sb.sctps_naglesent += sarry->sctps_naglesent; 786 sb.sctps_naglequeued += sarry->sctps_naglequeued; 787 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; 788 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; 789 sb.sctps_windowprobed += sarry->sctps_windowprobed; 790 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; 791 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; 792 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; 793 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; 794 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; 795 sb.sctps_vtagexpress += sarry->sctps_vtagexpress; 796 sb.sctps_vtagbogus += sarry->sctps_vtagbogus; 797 sb.sctps_primary_randry += sarry->sctps_primary_randry; 798 sb.sctps_cmt_randry += sarry->sctps_cmt_randry; 799 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; 800 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; 801 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; 802 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; 803 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; 804 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; 805 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; 806 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; 807 sb.sctps_read_peeks += sarry->sctps_read_peeks; 808 sb.sctps_cached_chk += sarry->sctps_cached_chk; 809 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; 810 sb.sctps_left_abandon += sarry->sctps_left_abandon; 811 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; 812 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; 813 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; 814 if (req->newptr != NULL) { 815 memcpy(sarry, &sb_temp, sizeof(struct sctpstat)); 816 } 817 } 818 error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat)); 819 #else 820 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat)); 821 if (error != 0) { 822 return (error); 823 } 824 if (req->newptr != NULL) { 825 memcpy(&SCTP_BASE_STATS, &sb_temp, sizeof(struct sctpstat)); 826 } 827 #endif 828 return (error); 829 } 830 831 #if defined(SCTP_LOCAL_TRACE_BUF) 832 static int 833 sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS) 834 { 835 int error; 836 837 error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log)); 838 return (error); 839 } 840 841 static int 842 sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS) 843 { 844 int error = 0; 845 846 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 847 return (error); 848 } 849 #endif 850 851 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \ 852 static int \ 853 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \ 854 { \ 855 int error; \ 856 uint32_t new; \ 857 \ 858 new = SCTP_BASE_SYSCTL(var_name); \ 859 error = sysctl_handle_int(oidp, &new, 0, req); \ 860 if ((error == 0) && (req->newptr != NULL)) { \ 861 if ((new < prefix##_MIN) || \ 862 (new > prefix##_MAX)) { \ 863 error = EINVAL; \ 864 } else { \ 865 SCTP_BASE_SYSCTL(var_name) = new; \ 866 } \ 867 } \ 868 return (error); \ 869 } \ 870 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \ 871 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \ 872 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC); 873 874 /* 875 * sysctl definitions 876 */ 877 878 SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM) 879 SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE) 880 SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF) 881 SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE) 882 SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE) 883 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 884 NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC); 885 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 886 NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC); 887 SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE) 888 SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE) 889 SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE) 890 SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH) 891 SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST) 892 SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST) 893 SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS) 894 SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE) 895 SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE) 896 SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT) 897 SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE) 898 SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME) 899 SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ) 900 SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE) 901 SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE) 902 SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL) 903 SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME) 904 SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME) 905 SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME) 906 SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX) 907 SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN) 908 SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL) 909 SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX) 910 SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE) 911 SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX) 912 SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX) 913 SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX) 914 SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD) 915 SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT) 916 SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS) 917 SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS) 918 SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF) 919 SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC) 920 SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST) 921 SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY) 922 SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR) 923 SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS) 924 SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN) 925 SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST) 926 SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT) 927 SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL) 928 SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK) 929 SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL) 930 SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE) 931 SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE) 932 SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE) 933 SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE) 934 SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF) 935 #if defined(SCTP_LOCAL_TRACE_BUF) 936 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RD, 937 NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)"); 938 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 939 NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer"); 940 #endif 941 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 942 NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC); 943 SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE) 944 SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS) 945 SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT) 946 SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING) 947 SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND) 948 SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW) 949 SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT) 950 SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET) 951 SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS) 952 SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN) 953 SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE) 954 SCTP_UINT_SYSCTL(sendall_limit, sctp_sendall_limit, SCTPCTL_SENDALL_LIMIT) 955 SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE) 956 #ifdef SCTP_DEBUG 957 SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG) 958 #endif 959 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RW, 960 NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)"); 961 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET | CTLTYPE_OPAQUE | CTLFLAG_RD, 962 NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations"); 963