1 /*- 2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * a) Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * b) Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the distribution. 15 * 16 * c) Neither the name of Cisco Systems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <netinet/sctp_os.h> 37 #include <netinet/sctp.h> 38 #include <netinet/sctp_constants.h> 39 #include <netinet/sctp_sysctl.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctputil.h> 42 #include <netinet/sctp_output.h> 43 #include <sys/smp.h> 44 #include <sys/sysctl.h> 45 46 FEATURE(sctp, "Stream Control Transmission Protocol"); 47 48 /* 49 * sysctl tunable variables 50 */ 51 52 void 53 sctp_init_sysctls() 54 { 55 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; 56 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; 57 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; 58 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; 59 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; 60 SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT; 61 SCTP_BASE_SYSCTL(sctp_auth_enable) = SCTPCTL_AUTH_ENABLE_DEFAULT; 62 SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT; 63 SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT; 64 SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT; 65 SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT; 66 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; 67 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; 68 SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT; 69 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; 70 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 71 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 72 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; 73 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 74 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT; 75 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; 76 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; 77 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; 78 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT; 79 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; 80 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT; 81 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; 82 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; 83 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; 84 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; 85 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; 86 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT; 87 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; 88 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; 89 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; 90 SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT; 91 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; 92 SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT; 93 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT; 94 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; 95 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 96 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 97 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 98 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 99 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 100 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 101 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 102 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 103 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 104 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 105 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 106 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 107 SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT; 108 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 109 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 110 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 111 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; 112 SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT; 113 SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT; 114 SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT; 115 SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT; 116 SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT; 117 SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT; 118 SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT; 119 SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT; 120 SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT; 121 #if defined(SCTP_LOCAL_TRACE_BUF) 122 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 123 #endif 124 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 125 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 126 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT; 127 #if defined(SCTP_DEBUG) 128 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 129 #endif 130 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 131 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 132 #endif 133 } 134 135 136 /* It returns an upper limit. No filtering is done here */ 137 static unsigned int 138 sctp_sysctl_number_of_addresses(struct sctp_inpcb *inp) 139 { 140 unsigned int cnt; 141 struct sctp_vrf *vrf; 142 struct sctp_ifn *sctp_ifn; 143 struct sctp_ifa *sctp_ifa; 144 struct sctp_laddr *laddr; 145 146 cnt = 0; 147 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 148 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 149 return (0); 150 } 151 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 152 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 153 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 154 switch (sctp_ifa->address.sa.sa_family) { 155 #ifdef INET 156 case AF_INET: 157 #endif 158 #ifdef INET6 159 case AF_INET6: 160 #endif 161 cnt++; 162 break; 163 default: 164 break; 165 } 166 } 167 } 168 } else { 169 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 170 switch (laddr->ifa->address.sa.sa_family) { 171 #ifdef INET 172 case AF_INET: 173 #endif 174 #ifdef INET6 175 case AF_INET6: 176 #endif 177 cnt++; 178 break; 179 default: 180 break; 181 } 182 } 183 } 184 return (cnt); 185 } 186 187 static int 188 sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 189 { 190 struct sctp_ifn *sctp_ifn; 191 struct sctp_ifa *sctp_ifa; 192 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 193 int ipv4_addr_legal, ipv6_addr_legal; 194 struct sctp_vrf *vrf; 195 struct xsctp_laddr xladdr; 196 struct sctp_laddr *laddr; 197 int error; 198 199 /* Turn on all the appropriate scope */ 200 if (stcb) { 201 /* use association specific values */ 202 loopback_scope = stcb->asoc.scope.loopback_scope; 203 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 204 local_scope = stcb->asoc.scope.local_scope; 205 site_scope = stcb->asoc.scope.site_scope; 206 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 207 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 208 } else { 209 /* Use generic values for endpoints. */ 210 loopback_scope = 1; 211 ipv4_local_scope = 1; 212 local_scope = 1; 213 site_scope = 1; 214 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 215 ipv6_addr_legal = 1; 216 if (SCTP_IPV6_V6ONLY(inp)) { 217 ipv4_addr_legal = 0; 218 } else { 219 ipv4_addr_legal = 1; 220 } 221 } else { 222 ipv6_addr_legal = 0; 223 ipv4_addr_legal = 1; 224 } 225 } 226 227 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 228 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 229 SCTP_INP_RUNLOCK(inp); 230 SCTP_INP_INFO_RUNLOCK(); 231 return (-1); 232 } 233 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 234 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 235 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 236 /* Skip loopback if loopback_scope not set */ 237 continue; 238 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 239 if (stcb) { 240 /* 241 * ignore if blacklisted at 242 * association level 243 */ 244 if (sctp_is_addr_restricted(stcb, sctp_ifa)) 245 continue; 246 } 247 switch (sctp_ifa->address.sa.sa_family) { 248 #ifdef INET 249 case AF_INET: 250 if (ipv4_addr_legal) { 251 struct sockaddr_in *sin; 252 253 sin = &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 */ 344 static int 345 sctp_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 (!SCTP_IS_LISTENING(inp)) || 414 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 415 xinpcb.qlen = 0; 416 xinpcb.maxqlen = 0; 417 } else { 418 xinpcb.qlen = so->sol_qlen; 419 xinpcb.qlen_old = so->sol_qlen > USHRT_MAX ? 420 USHRT_MAX : (uint16_t)so->sol_qlen; 421 xinpcb.maxqlen = so->sol_qlimit; 422 xinpcb.maxqlen_old = so->sol_qlimit > USHRT_MAX ? 423 USHRT_MAX : (uint16_t)so->sol_qlimit; 424 } 425 SCTP_INP_INCR_REF(inp); 426 SCTP_INP_RUNLOCK(inp); 427 SCTP_INP_INFO_RUNLOCK(); 428 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 429 if (error) { 430 SCTP_INP_DECR_REF(inp); 431 return (error); 432 } 433 SCTP_INP_INFO_RLOCK(); 434 SCTP_INP_RLOCK(inp); 435 error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req); 436 if (error) { 437 SCTP_INP_DECR_REF(inp); 438 return (error); 439 } 440 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 441 SCTP_TCB_LOCK(stcb); 442 atomic_add_int(&stcb->asoc.refcnt, 1); 443 SCTP_TCB_UNLOCK(stcb); 444 xstcb.last = 0; 445 xstcb.local_port = ntohs(inp->sctp_lport); 446 xstcb.remote_port = ntohs(stcb->rport); 447 if (stcb->asoc.primary_destination != NULL) 448 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 449 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 450 xstcb.state = (uint32_t)sctp_map_assoc_state(stcb->asoc.state); 451 /* 7.0 does not support these */ 452 xstcb.assoc_id = sctp_get_associd(stcb); 453 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 454 xstcb.in_streams = stcb->asoc.streamincnt; 455 xstcb.out_streams = stcb->asoc.streamoutcnt; 456 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 457 xstcb.primary_process = 0; /* not really supported 458 * yet */ 459 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 460 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 461 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 462 xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec; 463 xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec; 464 xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec; 465 xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec; 466 xstcb.total_sends = stcb->total_sends; 467 xstcb.total_recvs = stcb->total_recvs; 468 xstcb.local_tag = stcb->asoc.my_vtag; 469 xstcb.remote_tag = stcb->asoc.peer_vtag; 470 xstcb.initial_tsn = stcb->asoc.init_seq_number; 471 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 472 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 473 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 474 xstcb.mtu = stcb->asoc.smallest_mtu; 475 xstcb.refcnt = stcb->asoc.refcnt; 476 SCTP_INP_RUNLOCK(inp); 477 SCTP_INP_INFO_RUNLOCK(); 478 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 479 if (error) { 480 SCTP_INP_DECR_REF(inp); 481 atomic_subtract_int(&stcb->asoc.refcnt, 1); 482 return (error); 483 } 484 SCTP_INP_INFO_RLOCK(); 485 SCTP_INP_RLOCK(inp); 486 error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req); 487 if (error) { 488 SCTP_INP_DECR_REF(inp); 489 atomic_subtract_int(&stcb->asoc.refcnt, 1); 490 return (error); 491 } 492 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 493 xraddr.last = 0; 494 xraddr.address = net->ro._l_addr; 495 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 496 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 497 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 498 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF); 499 xraddr.rto = net->RTO; 500 xraddr.max_path_rtx = net->failure_threshold; 501 xraddr.rtx = net->marked_retrans; 502 xraddr.error_counter = net->error_count; 503 xraddr.cwnd = net->cwnd; 504 xraddr.flight_size = net->flight_size; 505 xraddr.mtu = net->mtu; 506 xraddr.rtt = net->rtt / 1000; 507 xraddr.heartbeat_interval = net->heart_beat_delay; 508 xraddr.ssthresh = net->ssthresh; 509 xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec; 510 xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec; 511 SCTP_INP_RUNLOCK(inp); 512 SCTP_INP_INFO_RUNLOCK(); 513 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 514 if (error) { 515 SCTP_INP_DECR_REF(inp); 516 atomic_subtract_int(&stcb->asoc.refcnt, 1); 517 return (error); 518 } 519 SCTP_INP_INFO_RLOCK(); 520 SCTP_INP_RLOCK(inp); 521 } 522 atomic_subtract_int(&stcb->asoc.refcnt, 1); 523 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 524 xraddr.last = 1; 525 SCTP_INP_RUNLOCK(inp); 526 SCTP_INP_INFO_RUNLOCK(); 527 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 528 if (error) { 529 SCTP_INP_DECR_REF(inp); 530 return (error); 531 } 532 SCTP_INP_INFO_RLOCK(); 533 SCTP_INP_RLOCK(inp); 534 } 535 SCTP_INP_DECR_REF(inp); 536 SCTP_INP_RUNLOCK(inp); 537 SCTP_INP_INFO_RUNLOCK(); 538 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 539 xstcb.last = 1; 540 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 541 if (error) { 542 return (error); 543 } 544 skip: 545 SCTP_INP_INFO_RLOCK(); 546 } 547 SCTP_INP_INFO_RUNLOCK(); 548 549 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 550 xinpcb.last = 1; 551 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 552 return (error); 553 } 554 555 static int 556 sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS) 557 { 558 int error; 559 uint32_t old, new; 560 561 SCTP_INP_INFO_RLOCK(); 562 old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 563 SCTP_INP_INFO_RUNLOCK(); 564 new = old; 565 error = sysctl_handle_int(oidp, &new, 0, req); 566 if ((error == 0) && 567 (req->newptr != NULL)) { 568 #if (SCTPCTL_UDP_TUNNELING_PORT_MIN == 0) 569 if (new > SCTPCTL_UDP_TUNNELING_PORT_MAX) { 570 #else 571 if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) || 572 (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) { 573 #endif 574 error = EINVAL; 575 } else { 576 SCTP_INP_INFO_WLOCK(); 577 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new; 578 if (old != 0) { 579 sctp_over_udp_stop(); 580 } 581 if (new != 0) { 582 error = sctp_over_udp_start(); 583 } 584 SCTP_INP_INFO_WUNLOCK(); 585 } 586 } 587 return (error); 588 } 589 590 591 static int 592 sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS) 593 { 594 int error; 595 uint32_t new; 596 597 new = SCTP_BASE_SYSCTL(sctp_auth_enable); 598 error = sysctl_handle_int(oidp, &new, 0, req); 599 if ((error == 0) && 600 (req->newptr != NULL)) { 601 #if (SCTPCTL_AUTH_ENABLE_MIN == 0) 602 if ((new > SCTPCTL_AUTH_ENABLE_MAX) || 603 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 604 #else 605 if ((new < SCTPCTL_AUTH_ENABLE_MIN) || 606 (new > SCTPCTL_AUTH_ENABLE_MAX) || 607 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 608 #endif 609 error = EINVAL; 610 } else { 611 SCTP_BASE_SYSCTL(sctp_auth_enable) = new; 612 } 613 } 614 return (error); 615 } 616 617 static int 618 sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS) 619 { 620 int error; 621 uint32_t new; 622 623 new = SCTP_BASE_SYSCTL(sctp_asconf_enable); 624 error = sysctl_handle_int(oidp, &new, 0, req); 625 if ((error == 0) && 626 (req->newptr != NULL)) { 627 #if (SCTPCTL_ASCONF_ENABLE_MIN == 0) 628 if ((new > SCTPCTL_ASCONF_ENABLE_MAX) || 629 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 630 #else 631 if ((new < SCTPCTL_ASCONF_ENABLE_MIN) || 632 (new > SCTPCTL_ASCONF_ENABLE_MAX) || 633 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { 634 #endif 635 error = EINVAL; 636 } else { 637 SCTP_BASE_SYSCTL(sctp_asconf_enable) = new; 638 } 639 } 640 return (error); 641 } 642 643 static int 644 sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS) 645 { 646 int error; 647 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 648 struct sctpstat *sarry; 649 struct sctpstat sb; 650 int cpu; 651 #endif 652 struct sctpstat sb_temp; 653 654 if ((req->newptr != NULL) && 655 (req->newlen != sizeof(struct sctpstat))) { 656 return (EINVAL); 657 } 658 memset(&sb_temp, 0, sizeof(struct sctpstat)); 659 660 if (req->newptr != NULL) { 661 error = SYSCTL_IN(req, &sb_temp, sizeof(struct sctpstat)); 662 if (error != 0) { 663 return (error); 664 } 665 } 666 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 667 memset(&sb, 0, sizeof(sb)); 668 for (cpu = 0; cpu < mp_maxid; cpu++) { 669 sarry = &SCTP_BASE_STATS[cpu]; 670 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { 671 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; 672 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; 673 } 674 sb.sctps_currestab += sarry->sctps_currestab; 675 sb.sctps_activeestab += sarry->sctps_activeestab; 676 sb.sctps_restartestab += sarry->sctps_restartestab; 677 sb.sctps_collisionestab += sarry->sctps_collisionestab; 678 sb.sctps_passiveestab += sarry->sctps_passiveestab; 679 sb.sctps_aborted += sarry->sctps_aborted; 680 sb.sctps_shutdown += sarry->sctps_shutdown; 681 sb.sctps_outoftheblue += sarry->sctps_outoftheblue; 682 sb.sctps_checksumerrors += sarry->sctps_checksumerrors; 683 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; 684 sb.sctps_outorderchunks += sarry->sctps_outorderchunks; 685 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; 686 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; 687 sb.sctps_inorderchunks += sarry->sctps_inorderchunks; 688 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; 689 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; 690 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; 691 sb.sctps_outpackets += sarry->sctps_outpackets; 692 sb.sctps_inpackets += sarry->sctps_inpackets; 693 sb.sctps_recvpackets += sarry->sctps_recvpackets; 694 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; 695 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; 696 sb.sctps_recvsacks += sarry->sctps_recvsacks; 697 sb.sctps_recvdata += sarry->sctps_recvdata; 698 sb.sctps_recvdupdata += sarry->sctps_recvdupdata; 699 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; 700 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; 701 sb.sctps_recvecne += sarry->sctps_recvecne; 702 sb.sctps_recvauth += sarry->sctps_recvauth; 703 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; 704 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; 705 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; 706 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; 707 sb.sctps_recvexpress += sarry->sctps_recvexpress; 708 sb.sctps_recvexpressm += sarry->sctps_recvexpressm; 709 sb.sctps_recvnocrc += sarry->sctps_recvnocrc; 710 sb.sctps_recvswcrc += sarry->sctps_recvswcrc; 711 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; 712 sb.sctps_sendpackets += sarry->sctps_sendpackets; 713 sb.sctps_sendsacks += sarry->sctps_sendsacks; 714 sb.sctps_senddata += sarry->sctps_senddata; 715 sb.sctps_sendretransdata += sarry->sctps_sendretransdata; 716 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; 717 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; 718 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; 719 sb.sctps_sendecne += sarry->sctps_sendecne; 720 sb.sctps_sendauth += sarry->sctps_sendauth; 721 sb.sctps_senderrors += sarry->sctps_senderrors; 722 sb.sctps_sendnocrc += sarry->sctps_sendnocrc; 723 sb.sctps_sendswcrc += sarry->sctps_sendswcrc; 724 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; 725 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; 726 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; 727 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; 728 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; 729 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; 730 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; 731 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; 732 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; 733 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; 734 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; 735 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; 736 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; 737 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; 738 sb.sctps_pdrpmark += sarry->sctps_pdrpmark; 739 sb.sctps_timoiterator += sarry->sctps_timoiterator; 740 sb.sctps_timodata += sarry->sctps_timodata; 741 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; 742 sb.sctps_timoinit += sarry->sctps_timoinit; 743 sb.sctps_timosack += sarry->sctps_timosack; 744 sb.sctps_timoshutdown += sarry->sctps_timoshutdown; 745 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; 746 sb.sctps_timocookie += sarry->sctps_timocookie; 747 sb.sctps_timosecret += sarry->sctps_timosecret; 748 sb.sctps_timopathmtu += sarry->sctps_timopathmtu; 749 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; 750 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; 751 sb.sctps_timostrmrst += sarry->sctps_timostrmrst; 752 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; 753 sb.sctps_timoasconf += sarry->sctps_timoasconf; 754 sb.sctps_timodelprim += sarry->sctps_timodelprim; 755 sb.sctps_timoautoclose += sarry->sctps_timoautoclose; 756 sb.sctps_timoassockill += sarry->sctps_timoassockill; 757 sb.sctps_timoinpkill += sarry->sctps_timoinpkill; 758 sb.sctps_hdrops += sarry->sctps_hdrops; 759 sb.sctps_badsum += sarry->sctps_badsum; 760 sb.sctps_noport += sarry->sctps_noport; 761 sb.sctps_badvtag += sarry->sctps_badvtag; 762 sb.sctps_badsid += sarry->sctps_badsid; 763 sb.sctps_nomem += sarry->sctps_nomem; 764 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; 765 sb.sctps_markedretrans += sarry->sctps_markedretrans; 766 sb.sctps_naglesent += sarry->sctps_naglesent; 767 sb.sctps_naglequeued += sarry->sctps_naglequeued; 768 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; 769 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; 770 sb.sctps_windowprobed += sarry->sctps_windowprobed; 771 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; 772 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; 773 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; 774 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; 775 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; 776 sb.sctps_vtagexpress += sarry->sctps_vtagexpress; 777 sb.sctps_vtagbogus += sarry->sctps_vtagbogus; 778 sb.sctps_primary_randry += sarry->sctps_primary_randry; 779 sb.sctps_cmt_randry += sarry->sctps_cmt_randry; 780 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; 781 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; 782 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; 783 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; 784 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; 785 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; 786 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; 787 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; 788 sb.sctps_read_peeks += sarry->sctps_read_peeks; 789 sb.sctps_cached_chk += sarry->sctps_cached_chk; 790 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; 791 sb.sctps_left_abandon += sarry->sctps_left_abandon; 792 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; 793 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; 794 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; 795 if (req->newptr != NULL) { 796 memcpy(sarry, &sb_temp, sizeof(struct sctpstat)); 797 } 798 } 799 error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat)); 800 #else 801 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat)); 802 if (error != 0) { 803 return (error); 804 } 805 if (req->newptr != NULL) { 806 memcpy(&SCTP_BASE_STATS, &sb_temp, sizeof(struct sctpstat)); 807 } 808 #endif 809 return (error); 810 } 811 812 #if defined(SCTP_LOCAL_TRACE_BUF) 813 static int 814 sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS) 815 { 816 int error; 817 818 error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log)); 819 return (error); 820 } 821 822 static int 823 sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS) 824 { 825 int error = 0; 826 827 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 828 return (error); 829 } 830 #endif 831 832 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \ 833 static int \ 834 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \ 835 { \ 836 int error; \ 837 uint32_t new; \ 838 \ 839 new = SCTP_BASE_SYSCTL(var_name); \ 840 error = sysctl_handle_int(oidp, &new, 0, req); \ 841 if ((error == 0) && (req->newptr != NULL)) { \ 842 if ((new < prefix##_MIN) || \ 843 (new > prefix##_MAX)) { \ 844 error = EINVAL; \ 845 } else { \ 846 SCTP_BASE_SYSCTL(var_name) = new; \ 847 } \ 848 } \ 849 return (error); \ 850 } \ 851 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \ 852 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \ 853 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC); 854 855 /* 856 * sysctl definitions 857 */ 858 859 SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM) 860 SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE) 861 SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF) 862 SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE) 863 SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE) 864 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 865 NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC); 866 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 867 NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC); 868 SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE) 869 SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE) 870 SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE) 871 SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH) 872 SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST) 873 SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST) 874 SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS) 875 SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE) 876 SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE) 877 SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT) 878 SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE) 879 SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME) 880 SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ) 881 SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE) 882 SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE) 883 SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL) 884 SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME) 885 SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME) 886 SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME) 887 SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX) 888 SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN) 889 SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL) 890 SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX) 891 SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE) 892 SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX) 893 SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX) 894 SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX) 895 SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD) 896 SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT) 897 SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS) 898 SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS) 899 SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF) 900 SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC) 901 SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST) 902 SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY) 903 SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR) 904 SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS) 905 SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN) 906 SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST) 907 SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT) 908 SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL) 909 SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK) 910 SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL) 911 SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE) 912 SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE) 913 SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE) 914 SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE) 915 SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF) 916 #if defined(SCTP_LOCAL_TRACE_BUF) 917 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RD, 918 NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)"); 919 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 920 NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer"); 921 #endif 922 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 923 NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC); 924 SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE) 925 SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS) 926 SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT) 927 SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING) 928 SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND) 929 SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW) 930 SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT) 931 SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET) 932 SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS) 933 SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN) 934 SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE) 935 SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE) 936 #ifdef SCTP_DEBUG 937 SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG) 938 #endif 939 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 940 SCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED) 941 #endif 942 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RW, 943 NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)"); 944 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET | CTLTYPE_OPAQUE | CTLFLAG_RD, 945 NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations"); 946