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(void) 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 != NULL) { 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 #endif 224 #ifdef INET6 225 local_scope = 1; 226 site_scope = 1; 227 #endif 228 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 229 #ifdef INET6 230 ipv6_addr_legal = 1; 231 #endif 232 #ifdef INET 233 if (SCTP_IPV6_V6ONLY(inp)) { 234 ipv4_addr_legal = 0; 235 } else { 236 ipv4_addr_legal = 1; 237 } 238 #endif 239 } else { 240 #ifdef INET6 241 ipv6_addr_legal = 0; 242 #endif 243 #ifdef INET 244 ipv4_addr_legal = 1; 245 #endif 246 } 247 } 248 249 /* Neither Mac OS X nor FreeBSD support multiple routing functions. */ 250 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 251 SCTP_INP_RUNLOCK(inp); 252 SCTP_INP_INFO_RUNLOCK(); 253 return (ENOENT); 254 } 255 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 256 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 257 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 258 /* Skip loopback if loopback_scope not set. */ 259 continue; 260 } 261 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 262 if (stcb != NULL) { 263 /* 264 * Ignore if blacklisted at 265 * association level. 266 */ 267 if (sctp_is_addr_restricted(stcb, sctp_ifa)) { 268 continue; 269 } 270 } 271 switch (sctp_ifa->address.sa.sa_family) { 272 #ifdef INET 273 case AF_INET: 274 if (ipv4_addr_legal) { 275 struct sockaddr_in *sin; 276 277 sin = &sctp_ifa->address.sin; 278 if (sin->sin_addr.s_addr == 0) { 279 continue; 280 } 281 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 282 &sin->sin_addr) != 0) { 283 continue; 284 } 285 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 286 continue; 287 } 288 } else { 289 continue; 290 } 291 break; 292 #endif 293 #ifdef INET6 294 case AF_INET6: 295 if (ipv6_addr_legal) { 296 struct sockaddr_in6 *sin6; 297 298 sin6 = &sctp_ifa->address.sin6; 299 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 300 continue; 301 } 302 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 303 &sin6->sin6_addr) != 0) { 304 continue; 305 } 306 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 307 if (local_scope == 0) { 308 continue; 309 } 310 } 311 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 312 continue; 313 } 314 } else { 315 continue; 316 } 317 break; 318 #endif 319 default: 320 continue; 321 } 322 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 323 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 324 SCTP_INP_RUNLOCK(inp); 325 SCTP_INP_INFO_RUNLOCK(); 326 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 327 if (error != 0) { 328 return (error); 329 } else { 330 SCTP_INP_INFO_RLOCK(); 331 SCTP_INP_RLOCK(inp); 332 } 333 } 334 } 335 } else { 336 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 337 /* ignore if blacklisted at association level */ 338 if (stcb != NULL && sctp_is_addr_restricted(stcb, laddr->ifa)) 339 continue; 340 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 341 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 342 xladdr.start_time.tv_sec = (uint32_t)laddr->start_time.tv_sec; 343 xladdr.start_time.tv_usec = (uint32_t)laddr->start_time.tv_usec; 344 SCTP_INP_RUNLOCK(inp); 345 SCTP_INP_INFO_RUNLOCK(); 346 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 347 if (error != 0) { 348 return (error); 349 } else { 350 SCTP_INP_INFO_RLOCK(); 351 SCTP_INP_RLOCK(inp); 352 } 353 } 354 } 355 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 356 xladdr.last = 1; 357 SCTP_INP_RUNLOCK(inp); 358 SCTP_INP_INFO_RUNLOCK(); 359 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 360 361 if (error != 0) { 362 return (error); 363 } else { 364 SCTP_INP_INFO_RLOCK(); 365 SCTP_INP_RLOCK(inp); 366 return (0); 367 } 368 } 369 370 /* 371 * sysctl functions 372 */ 373 static int 374 sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS) 375 { 376 unsigned int number_of_endpoints; 377 unsigned int number_of_local_addresses; 378 unsigned int number_of_associations; 379 unsigned int number_of_remote_addresses; 380 unsigned int n; 381 int error; 382 struct sctp_inpcb *inp; 383 struct sctp_tcb *stcb; 384 struct sctp_nets *net; 385 struct xsctp_inpcb xinpcb; 386 struct xsctp_tcb xstcb; 387 struct xsctp_raddr xraddr; 388 struct socket *so; 389 390 number_of_endpoints = 0; 391 number_of_local_addresses = 0; 392 number_of_associations = 0; 393 number_of_remote_addresses = 0; 394 395 SCTP_INP_INFO_RLOCK(); 396 if (req->oldptr == NULL) { 397 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 398 SCTP_INP_RLOCK(inp); 399 number_of_endpoints++; 400 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 401 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 402 number_of_associations++; 403 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 404 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 405 number_of_remote_addresses++; 406 } 407 } 408 SCTP_INP_RUNLOCK(inp); 409 } 410 SCTP_INP_INFO_RUNLOCK(); 411 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 412 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 413 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 414 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 415 416 /* request some more memory than needed */ 417 req->oldidx = (n + n / 8); 418 return (0); 419 } 420 if (req->newptr != NULL) { 421 SCTP_INP_INFO_RUNLOCK(); 422 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 423 return (EPERM); 424 } 425 memset(&xinpcb, 0, sizeof(xinpcb)); 426 memset(&xstcb, 0, sizeof(xstcb)); 427 memset(&xraddr, 0, sizeof(xraddr)); 428 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 429 SCTP_INP_RLOCK(inp); 430 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) { 431 /* if its allgone it is being freed - skip it */ 432 goto skip; 433 } 434 xinpcb.last = 0; 435 xinpcb.local_port = ntohs(inp->sctp_lport); 436 xinpcb.flags = inp->sctp_flags; 437 xinpcb.features = inp->sctp_features; 438 xinpcb.total_sends = inp->total_sends; 439 xinpcb.total_recvs = inp->total_recvs; 440 xinpcb.total_nospaces = inp->total_nospaces; 441 xinpcb.fragmentation_point = inp->sctp_frag_point; 442 xinpcb.socket = (uintptr_t)inp->sctp_socket; 443 so = inp->sctp_socket; 444 if ((so == NULL) || 445 (!SCTP_IS_LISTENING(inp)) || 446 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 447 xinpcb.qlen = 0; 448 xinpcb.maxqlen = 0; 449 } else { 450 xinpcb.qlen = so->sol_qlen; 451 xinpcb.qlen_old = so->sol_qlen > USHRT_MAX ? 452 USHRT_MAX : (uint16_t)so->sol_qlen; 453 xinpcb.maxqlen = so->sol_qlimit; 454 xinpcb.maxqlen_old = so->sol_qlimit > USHRT_MAX ? 455 USHRT_MAX : (uint16_t)so->sol_qlimit; 456 } 457 SCTP_INP_INCR_REF(inp); 458 SCTP_INP_RUNLOCK(inp); 459 SCTP_INP_INFO_RUNLOCK(); 460 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 461 if (error) { 462 SCTP_INP_DECR_REF(inp); 463 return (error); 464 } 465 SCTP_INP_INFO_RLOCK(); 466 SCTP_INP_RLOCK(inp); 467 error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req); 468 if (error) { 469 SCTP_INP_DECR_REF(inp); 470 return (error); 471 } 472 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 473 SCTP_TCB_LOCK(stcb); 474 atomic_add_int(&stcb->asoc.refcnt, 1); 475 SCTP_TCB_UNLOCK(stcb); 476 xstcb.last = 0; 477 xstcb.local_port = ntohs(inp->sctp_lport); 478 xstcb.remote_port = ntohs(stcb->rport); 479 if (stcb->asoc.primary_destination != NULL) 480 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 481 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 482 xstcb.state = (uint32_t)sctp_map_assoc_state(stcb->asoc.state); 483 xstcb.assoc_id = sctp_get_associd(stcb); 484 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 485 xstcb.in_streams = stcb->asoc.streamincnt; 486 xstcb.out_streams = stcb->asoc.streamoutcnt; 487 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 488 xstcb.primary_process = 0; /* not really supported 489 * yet */ 490 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 491 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 492 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 493 xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec; 494 xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec; 495 xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec; 496 xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec; 497 xstcb.total_sends = stcb->total_sends; 498 xstcb.total_recvs = stcb->total_recvs; 499 xstcb.local_tag = stcb->asoc.my_vtag; 500 xstcb.remote_tag = stcb->asoc.peer_vtag; 501 xstcb.initial_tsn = stcb->asoc.init_seq_number; 502 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 503 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 504 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 505 xstcb.mtu = stcb->asoc.smallest_mtu; 506 xstcb.refcnt = stcb->asoc.refcnt; 507 SCTP_INP_RUNLOCK(inp); 508 SCTP_INP_INFO_RUNLOCK(); 509 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 510 if (error) { 511 SCTP_INP_DECR_REF(inp); 512 atomic_subtract_int(&stcb->asoc.refcnt, 1); 513 return (error); 514 } 515 SCTP_INP_INFO_RLOCK(); 516 SCTP_INP_RLOCK(inp); 517 error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req); 518 if (error) { 519 SCTP_INP_DECR_REF(inp); 520 atomic_subtract_int(&stcb->asoc.refcnt, 1); 521 return (error); 522 } 523 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 524 xraddr.last = 0; 525 xraddr.address = net->ro._l_addr; 526 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 527 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 528 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 529 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF); 530 xraddr.rto = net->RTO; 531 xraddr.max_path_rtx = net->failure_threshold; 532 xraddr.rtx = net->marked_retrans; 533 xraddr.error_counter = net->error_count; 534 xraddr.cwnd = net->cwnd; 535 xraddr.flight_size = net->flight_size; 536 xraddr.mtu = net->mtu; 537 xraddr.rtt = net->rtt / 1000; 538 xraddr.heartbeat_interval = net->heart_beat_delay; 539 xraddr.ssthresh = net->ssthresh; 540 xraddr.encaps_port = net->port; 541 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 542 xraddr.state = SCTP_UNCONFIRMED; 543 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 544 xraddr.state = SCTP_ACTIVE; 545 } else { 546 xraddr.state = SCTP_INACTIVE; 547 } 548 xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec; 549 xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec; 550 SCTP_INP_RUNLOCK(inp); 551 SCTP_INP_INFO_RUNLOCK(); 552 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 553 if (error) { 554 SCTP_INP_DECR_REF(inp); 555 atomic_subtract_int(&stcb->asoc.refcnt, 1); 556 return (error); 557 } 558 SCTP_INP_INFO_RLOCK(); 559 SCTP_INP_RLOCK(inp); 560 } 561 atomic_subtract_int(&stcb->asoc.refcnt, 1); 562 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 563 xraddr.last = 1; 564 SCTP_INP_RUNLOCK(inp); 565 SCTP_INP_INFO_RUNLOCK(); 566 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 567 if (error) { 568 SCTP_INP_DECR_REF(inp); 569 return (error); 570 } 571 SCTP_INP_INFO_RLOCK(); 572 SCTP_INP_RLOCK(inp); 573 } 574 SCTP_INP_DECR_REF(inp); 575 SCTP_INP_RUNLOCK(inp); 576 SCTP_INP_INFO_RUNLOCK(); 577 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 578 xstcb.last = 1; 579 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 580 if (error) { 581 return (error); 582 } 583 skip: 584 SCTP_INP_INFO_RLOCK(); 585 } 586 SCTP_INP_INFO_RUNLOCK(); 587 588 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 589 xinpcb.last = 1; 590 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 591 return (error); 592 } 593 594 static int 595 sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS) 596 { 597 int error; 598 uint32_t old, new; 599 600 SCTP_INP_INFO_RLOCK(); 601 old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 602 SCTP_INP_INFO_RUNLOCK(); 603 new = old; 604 error = sysctl_handle_int(oidp, &new, 0, req); 605 if ((error == 0) && 606 (req->newptr != NULL)) { 607 #if (SCTPCTL_UDP_TUNNELING_PORT_MIN == 0) 608 if (new > SCTPCTL_UDP_TUNNELING_PORT_MAX) { 609 #else 610 if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) || 611 (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) { 612 #endif 613 error = EINVAL; 614 } else { 615 SCTP_INP_INFO_WLOCK(); 616 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new; 617 if (old != 0) { 618 sctp_over_udp_stop(); 619 } 620 if (new != 0) { 621 error = sctp_over_udp_start(); 622 } 623 SCTP_INP_INFO_WUNLOCK(); 624 } 625 } 626 return (error); 627 } 628 629 static int 630 sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS) 631 { 632 int error; 633 uint32_t new; 634 635 new = SCTP_BASE_SYSCTL(sctp_auth_enable); 636 error = sysctl_handle_int(oidp, &new, 0, req); 637 if ((error == 0) && 638 (req->newptr != NULL)) { 639 #if (SCTPCTL_AUTH_ENABLE_MIN == 0) 640 if ((new > SCTPCTL_AUTH_ENABLE_MAX) || 641 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 642 #else 643 if ((new < SCTPCTL_AUTH_ENABLE_MIN) || 644 (new > SCTPCTL_AUTH_ENABLE_MAX) || 645 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 646 #endif 647 error = EINVAL; 648 } else { 649 SCTP_BASE_SYSCTL(sctp_auth_enable) = new; 650 } 651 } 652 return (error); 653 } 654 655 static int 656 sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS) 657 { 658 int error; 659 uint32_t new; 660 661 new = SCTP_BASE_SYSCTL(sctp_asconf_enable); 662 error = sysctl_handle_int(oidp, &new, 0, req); 663 if ((error == 0) && 664 (req->newptr != NULL)) { 665 #if (SCTPCTL_ASCONF_ENABLE_MIN == 0) 666 if ((new > SCTPCTL_ASCONF_ENABLE_MAX) || 667 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 668 #else 669 if ((new < SCTPCTL_ASCONF_ENABLE_MIN) || 670 (new > SCTPCTL_ASCONF_ENABLE_MAX) || 671 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 672 #endif 673 error = EINVAL; 674 } else { 675 SCTP_BASE_SYSCTL(sctp_asconf_enable) = new; 676 } 677 } 678 return (error); 679 } 680 681 static int 682 sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS) 683 { 684 int error; 685 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 686 struct sctpstat *sarry; 687 struct sctpstat sb; 688 int cpu; 689 #endif 690 struct sctpstat sb_temp; 691 692 if ((req->newptr != NULL) && 693 (req->newlen != sizeof(struct sctpstat))) { 694 return (EINVAL); 695 } 696 memset(&sb_temp, 0, sizeof(struct sctpstat)); 697 698 if (req->newptr != NULL) { 699 error = SYSCTL_IN(req, &sb_temp, sizeof(struct sctpstat)); 700 if (error != 0) { 701 return (error); 702 } 703 } 704 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 705 memset(&sb, 0, sizeof(sb)); 706 for (cpu = 0; cpu < mp_maxid; cpu++) { 707 sarry = &SCTP_BASE_STATS[cpu]; 708 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { 709 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; 710 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; 711 } 712 sb.sctps_currestab += sarry->sctps_currestab; 713 sb.sctps_activeestab += sarry->sctps_activeestab; 714 sb.sctps_restartestab += sarry->sctps_restartestab; 715 sb.sctps_collisionestab += sarry->sctps_collisionestab; 716 sb.sctps_passiveestab += sarry->sctps_passiveestab; 717 sb.sctps_aborted += sarry->sctps_aborted; 718 sb.sctps_shutdown += sarry->sctps_shutdown; 719 sb.sctps_outoftheblue += sarry->sctps_outoftheblue; 720 sb.sctps_checksumerrors += sarry->sctps_checksumerrors; 721 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; 722 sb.sctps_outorderchunks += sarry->sctps_outorderchunks; 723 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; 724 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; 725 sb.sctps_inorderchunks += sarry->sctps_inorderchunks; 726 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; 727 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; 728 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; 729 sb.sctps_outpackets += sarry->sctps_outpackets; 730 sb.sctps_inpackets += sarry->sctps_inpackets; 731 sb.sctps_recvpackets += sarry->sctps_recvpackets; 732 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; 733 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; 734 sb.sctps_recvsacks += sarry->sctps_recvsacks; 735 sb.sctps_recvdata += sarry->sctps_recvdata; 736 sb.sctps_recvdupdata += sarry->sctps_recvdupdata; 737 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; 738 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; 739 sb.sctps_recvecne += sarry->sctps_recvecne; 740 sb.sctps_recvauth += sarry->sctps_recvauth; 741 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; 742 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; 743 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; 744 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; 745 sb.sctps_recvexpress += sarry->sctps_recvexpress; 746 sb.sctps_recvexpressm += sarry->sctps_recvexpressm; 747 sb.sctps_recvswcrc += sarry->sctps_recvswcrc; 748 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; 749 sb.sctps_sendpackets += sarry->sctps_sendpackets; 750 sb.sctps_sendsacks += sarry->sctps_sendsacks; 751 sb.sctps_senddata += sarry->sctps_senddata; 752 sb.sctps_sendretransdata += sarry->sctps_sendretransdata; 753 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; 754 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; 755 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; 756 sb.sctps_sendecne += sarry->sctps_sendecne; 757 sb.sctps_sendauth += sarry->sctps_sendauth; 758 sb.sctps_senderrors += sarry->sctps_senderrors; 759 sb.sctps_sendswcrc += sarry->sctps_sendswcrc; 760 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; 761 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; 762 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; 763 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; 764 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; 765 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; 766 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; 767 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; 768 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; 769 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; 770 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; 771 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; 772 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; 773 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; 774 sb.sctps_pdrpmark += sarry->sctps_pdrpmark; 775 sb.sctps_timoiterator += sarry->sctps_timoiterator; 776 sb.sctps_timodata += sarry->sctps_timodata; 777 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; 778 sb.sctps_timoinit += sarry->sctps_timoinit; 779 sb.sctps_timosack += sarry->sctps_timosack; 780 sb.sctps_timoshutdown += sarry->sctps_timoshutdown; 781 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; 782 sb.sctps_timocookie += sarry->sctps_timocookie; 783 sb.sctps_timosecret += sarry->sctps_timosecret; 784 sb.sctps_timopathmtu += sarry->sctps_timopathmtu; 785 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; 786 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; 787 sb.sctps_timostrmrst += sarry->sctps_timostrmrst; 788 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; 789 sb.sctps_timoasconf += sarry->sctps_timoasconf; 790 sb.sctps_timodelprim += sarry->sctps_timodelprim; 791 sb.sctps_timoautoclose += sarry->sctps_timoautoclose; 792 sb.sctps_timoassockill += sarry->sctps_timoassockill; 793 sb.sctps_timoinpkill += sarry->sctps_timoinpkill; 794 sb.sctps_hdrops += sarry->sctps_hdrops; 795 sb.sctps_badsum += sarry->sctps_badsum; 796 sb.sctps_noport += sarry->sctps_noport; 797 sb.sctps_badvtag += sarry->sctps_badvtag; 798 sb.sctps_badsid += sarry->sctps_badsid; 799 sb.sctps_nomem += sarry->sctps_nomem; 800 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; 801 sb.sctps_markedretrans += sarry->sctps_markedretrans; 802 sb.sctps_naglesent += sarry->sctps_naglesent; 803 sb.sctps_naglequeued += sarry->sctps_naglequeued; 804 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; 805 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; 806 sb.sctps_windowprobed += sarry->sctps_windowprobed; 807 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; 808 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; 809 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; 810 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; 811 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; 812 sb.sctps_vtagexpress += sarry->sctps_vtagexpress; 813 sb.sctps_vtagbogus += sarry->sctps_vtagbogus; 814 sb.sctps_primary_randry += sarry->sctps_primary_randry; 815 sb.sctps_cmt_randry += sarry->sctps_cmt_randry; 816 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; 817 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; 818 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; 819 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; 820 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; 821 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; 822 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; 823 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; 824 sb.sctps_read_peeks += sarry->sctps_read_peeks; 825 sb.sctps_cached_chk += sarry->sctps_cached_chk; 826 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; 827 sb.sctps_left_abandon += sarry->sctps_left_abandon; 828 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; 829 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; 830 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; 831 if (req->newptr != NULL) { 832 memcpy(sarry, &sb_temp, sizeof(struct sctpstat)); 833 } 834 } 835 error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat)); 836 #else 837 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat)); 838 if (error != 0) { 839 return (error); 840 } 841 if (req->newptr != NULL) { 842 memcpy(&SCTP_BASE_STATS, &sb_temp, sizeof(struct sctpstat)); 843 } 844 #endif 845 return (error); 846 } 847 848 #if defined(SCTP_LOCAL_TRACE_BUF) 849 static int 850 sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS) 851 { 852 int error; 853 854 error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log)); 855 return (error); 856 } 857 858 static int 859 sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS) 860 { 861 int error = 0; 862 863 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 864 return (error); 865 } 866 #endif 867 868 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \ 869 static int \ 870 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \ 871 { \ 872 int error; \ 873 uint32_t new; \ 874 \ 875 new = SCTP_BASE_SYSCTL(var_name); \ 876 error = sysctl_handle_int(oidp, &new, 0, req); \ 877 if ((error == 0) && (req->newptr != NULL)) { \ 878 if ((new < prefix##_MIN) || \ 879 (new > prefix##_MAX)) { \ 880 error = EINVAL; \ 881 } else { \ 882 SCTP_BASE_SYSCTL(var_name) = new; \ 883 } \ 884 } \ 885 return (error); \ 886 } \ 887 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \ 888 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \ 889 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC); 890 891 /* 892 * sysctl definitions 893 */ 894 895 SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM) 896 SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE) 897 SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF) 898 SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE) 899 SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE) 900 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 901 NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC); 902 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 903 NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC); 904 SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE) 905 SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE) 906 SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE) 907 SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH) 908 SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST) 909 SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST) 910 SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS) 911 SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE) 912 SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE) 913 SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT) 914 SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE) 915 SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME) 916 SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ) 917 SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE) 918 SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE) 919 SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL) 920 SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME) 921 SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME) 922 SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME) 923 SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX) 924 SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN) 925 SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL) 926 SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX) 927 SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE) 928 SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX) 929 SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX) 930 SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX) 931 SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD) 932 SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT) 933 SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS) 934 SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS) 935 SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF) 936 SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC) 937 SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST) 938 SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY) 939 SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR) 940 SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS) 941 SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN) 942 SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST) 943 SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT) 944 SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL) 945 SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK) 946 SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL) 947 SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE) 948 SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE) 949 SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE) 950 SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE) 951 SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF) 952 #if defined(SCTP_LOCAL_TRACE_BUF) 953 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RD, 954 NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)"); 955 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 956 NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer"); 957 #endif 958 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 959 NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC); 960 SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE) 961 SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS) 962 SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT) 963 SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING) 964 SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND) 965 SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW) 966 SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT) 967 SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET) 968 SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS) 969 SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN) 970 SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE) 971 SCTP_UINT_SYSCTL(sendall_limit, sctp_sendall_limit, SCTPCTL_SENDALL_LIMIT) 972 SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE) 973 #ifdef SCTP_DEBUG 974 SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG) 975 #endif 976 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RW, 977 NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)"); 978 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET | CTLTYPE_OPAQUE | CTLFLAG_RD, 979 NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations"); 980