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 45 /* 46 * sysctl tunable variables 47 */ 48 49 void 50 sctp_init_sysctls() 51 { 52 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; 53 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; 54 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; 55 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; 56 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; 57 SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT; 58 SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_DEFAULT; 59 SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT; 60 SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT; 61 SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT; 62 SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT; 63 SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT; 64 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; 65 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; 66 SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT; 67 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; 68 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 69 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 70 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; 71 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 72 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT; 73 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; 74 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; 75 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; 76 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT; 77 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; 78 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT; 79 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; 80 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; 81 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; 82 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; 83 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; 84 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT; 85 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; 86 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; 87 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; 88 SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT; 89 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; 90 SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT; 91 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT; 92 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; 93 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 94 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 95 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 96 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 97 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 98 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 99 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 100 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 101 SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT; 102 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 103 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 104 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 105 /* JRS - Variable for default congestion control module */ 106 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 107 /* RS - Variable for default stream scheduling module */ 108 SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT; 109 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 110 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 111 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 112 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; 113 SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT; 114 SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT; 115 SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT; 116 SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT; 117 SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT; 118 SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT; 119 SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT; 120 SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT; 121 SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT; 122 #if defined(SCTP_LOCAL_TRACE_BUF) 123 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 124 #endif 125 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 126 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 127 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT; 128 #if defined(SCTP_DEBUG) 129 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 130 #endif 131 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 132 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 133 #endif 134 } 135 136 137 /* It returns an upper limit. No filtering is done here */ 138 static unsigned int 139 number_of_addresses(struct sctp_inpcb *inp) 140 { 141 unsigned int cnt; 142 struct sctp_vrf *vrf; 143 struct sctp_ifn *sctp_ifn; 144 struct sctp_ifa *sctp_ifa; 145 struct sctp_laddr *laddr; 146 147 cnt = 0; 148 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 149 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 150 return (0); 151 } 152 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 153 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 154 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 155 switch (sctp_ifa->address.sa.sa_family) { 156 #ifdef INET 157 case AF_INET: 158 #endif 159 #ifdef INET6 160 case AF_INET6: 161 #endif 162 cnt++; 163 break; 164 default: 165 break; 166 } 167 } 168 } 169 } else { 170 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 171 switch (laddr->ifa->address.sa.sa_family) { 172 #ifdef INET 173 case AF_INET: 174 #endif 175 #ifdef INET6 176 case AF_INET6: 177 #endif 178 cnt++; 179 break; 180 default: 181 break; 182 } 183 } 184 } 185 return (cnt); 186 } 187 188 static int 189 copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 190 { 191 struct sctp_ifn *sctp_ifn; 192 struct sctp_ifa *sctp_ifa; 193 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 194 int ipv4_addr_legal, ipv6_addr_legal; 195 struct sctp_vrf *vrf; 196 struct xsctp_laddr xladdr; 197 struct sctp_laddr *laddr; 198 int error; 199 200 /* Turn on all the appropriate scope */ 201 if (stcb) { 202 /* use association specific values */ 203 loopback_scope = stcb->asoc.scope.loopback_scope; 204 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 205 local_scope = stcb->asoc.scope.local_scope; 206 site_scope = stcb->asoc.scope.site_scope; 207 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 208 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 209 } else { 210 /* Use generic values for endpoints. */ 211 loopback_scope = 1; 212 ipv4_local_scope = 1; 213 local_scope = 1; 214 site_scope = 1; 215 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 216 ipv6_addr_legal = 1; 217 if (SCTP_IPV6_V6ONLY(inp)) { 218 ipv4_addr_legal = 0; 219 } else { 220 ipv4_addr_legal = 1; 221 } 222 } else { 223 ipv6_addr_legal = 0; 224 ipv4_addr_legal = 1; 225 } 226 } 227 228 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 229 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 230 SCTP_INP_RUNLOCK(inp); 231 SCTP_INP_INFO_RUNLOCK(); 232 return (-1); 233 } 234 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 235 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 236 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 237 /* Skip loopback if loopback_scope not set */ 238 continue; 239 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 240 if (stcb) { 241 /* 242 * ignore if blacklisted at 243 * association level 244 */ 245 if (sctp_is_addr_restricted(stcb, sctp_ifa)) 246 continue; 247 } 248 switch (sctp_ifa->address.sa.sa_family) { 249 #ifdef INET 250 case AF_INET: 251 if (ipv4_addr_legal) { 252 struct sockaddr_in *sin; 253 254 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 255 if (sin->sin_addr.s_addr == 0) 256 continue; 257 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 258 &sin->sin_addr) != 0) { 259 continue; 260 } 261 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) 262 continue; 263 } else { 264 continue; 265 } 266 break; 267 #endif 268 #ifdef INET6 269 case AF_INET6: 270 if (ipv6_addr_legal) { 271 struct sockaddr_in6 *sin6; 272 273 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 274 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) 275 continue; 276 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 277 &sin6->sin6_addr) != 0) { 278 continue; 279 } 280 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 281 if (local_scope == 0) 282 continue; 283 if (sin6->sin6_scope_id == 0) { 284 /* 285 * bad link 286 * local 287 * address 288 */ 289 if (sa6_recoverscope(sin6) != 0) 290 continue; 291 } 292 } 293 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 294 continue; 295 } else { 296 continue; 297 } 298 break; 299 #endif 300 default: 301 continue; 302 } 303 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 304 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 305 SCTP_INP_RUNLOCK(inp); 306 SCTP_INP_INFO_RUNLOCK(); 307 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 308 if (error) { 309 return (error); 310 } else { 311 SCTP_INP_INFO_RLOCK(); 312 SCTP_INP_RLOCK(inp); 313 } 314 } 315 } 316 } else { 317 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 318 /* ignore if blacklisted at association level */ 319 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 320 continue; 321 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 322 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 323 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec; 324 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec; 325 SCTP_INP_RUNLOCK(inp); 326 SCTP_INP_INFO_RUNLOCK(); 327 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 328 if (error) { 329 return (error); 330 } else { 331 SCTP_INP_INFO_RLOCK(); 332 SCTP_INP_RLOCK(inp); 333 } 334 } 335 } 336 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 337 xladdr.last = 1; 338 SCTP_INP_RUNLOCK(inp); 339 SCTP_INP_INFO_RUNLOCK(); 340 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 341 342 if (error) { 343 return (error); 344 } else { 345 SCTP_INP_INFO_RLOCK(); 346 SCTP_INP_RLOCK(inp); 347 return (0); 348 } 349 } 350 351 /* 352 * sysctl functions 353 */ 354 static int 355 sctp_assoclist(SYSCTL_HANDLER_ARGS) 356 { 357 unsigned int number_of_endpoints; 358 unsigned int number_of_local_addresses; 359 unsigned int number_of_associations; 360 unsigned int number_of_remote_addresses; 361 unsigned int n; 362 int error; 363 struct sctp_inpcb *inp; 364 struct sctp_tcb *stcb; 365 struct sctp_nets *net; 366 struct xsctp_inpcb xinpcb; 367 struct xsctp_tcb xstcb; 368 struct xsctp_raddr xraddr; 369 struct socket *so; 370 371 number_of_endpoints = 0; 372 number_of_local_addresses = 0; 373 number_of_associations = 0; 374 number_of_remote_addresses = 0; 375 376 SCTP_INP_INFO_RLOCK(); 377 if (req->oldptr == USER_ADDR_NULL) { 378 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 379 SCTP_INP_RLOCK(inp); 380 number_of_endpoints++; 381 number_of_local_addresses += number_of_addresses(inp); 382 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 383 number_of_associations++; 384 number_of_local_addresses += number_of_addresses(inp); 385 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 386 number_of_remote_addresses++; 387 } 388 } 389 SCTP_INP_RUNLOCK(inp); 390 } 391 SCTP_INP_INFO_RUNLOCK(); 392 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 393 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 394 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 395 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 396 397 /* request some more memory than needed */ 398 req->oldidx = (n + n / 8); 399 return (0); 400 } 401 if (req->newptr != USER_ADDR_NULL) { 402 SCTP_INP_INFO_RUNLOCK(); 403 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 404 return (EPERM); 405 } 406 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 407 SCTP_INP_RLOCK(inp); 408 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) { 409 /* if its allgone it is being freed - skip it */ 410 goto skip; 411 } 412 xinpcb.last = 0; 413 xinpcb.local_port = ntohs(inp->sctp_lport); 414 xinpcb.flags = inp->sctp_flags; 415 xinpcb.features = inp->sctp_features; 416 xinpcb.total_sends = inp->total_sends; 417 xinpcb.total_recvs = inp->total_recvs; 418 xinpcb.total_nospaces = inp->total_nospaces; 419 xinpcb.fragmentation_point = inp->sctp_frag_point; 420 so = inp->sctp_socket; 421 if ((so == NULL) || 422 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 423 xinpcb.qlen = 0; 424 xinpcb.maxqlen = 0; 425 } else { 426 xinpcb.qlen = so->so_qlen; 427 xinpcb.maxqlen = so->so_qlimit; 428 } 429 SCTP_INP_INCR_REF(inp); 430 SCTP_INP_RUNLOCK(inp); 431 SCTP_INP_INFO_RUNLOCK(); 432 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 433 if (error) { 434 SCTP_INP_DECR_REF(inp); 435 return (error); 436 } 437 SCTP_INP_INFO_RLOCK(); 438 SCTP_INP_RLOCK(inp); 439 error = copy_out_local_addresses(inp, NULL, req); 440 if (error) { 441 SCTP_INP_DECR_REF(inp); 442 return (error); 443 } 444 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 445 SCTP_TCB_LOCK(stcb); 446 atomic_add_int(&stcb->asoc.refcnt, 1); 447 SCTP_TCB_UNLOCK(stcb); 448 xstcb.last = 0; 449 xstcb.local_port = ntohs(inp->sctp_lport); 450 xstcb.remote_port = ntohs(stcb->rport); 451 if (stcb->asoc.primary_destination != NULL) 452 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 453 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 454 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */ 455 /* 7.0 does not support these */ 456 xstcb.assoc_id = sctp_get_associd(stcb); 457 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 458 xstcb.in_streams = stcb->asoc.streamincnt; 459 xstcb.out_streams = stcb->asoc.streamoutcnt; 460 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 461 xstcb.primary_process = 0; /* not really supported 462 * yet */ 463 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 464 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 465 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 466 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec; 467 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec; 468 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec; 469 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec; 470 xstcb.total_sends = stcb->total_sends; 471 xstcb.total_recvs = stcb->total_recvs; 472 xstcb.local_tag = stcb->asoc.my_vtag; 473 xstcb.remote_tag = stcb->asoc.peer_vtag; 474 xstcb.initial_tsn = stcb->asoc.init_seq_number; 475 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 476 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 477 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 478 xstcb.mtu = stcb->asoc.smallest_mtu; 479 xstcb.refcnt = stcb->asoc.refcnt; 480 SCTP_INP_RUNLOCK(inp); 481 SCTP_INP_INFO_RUNLOCK(); 482 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 483 if (error) { 484 SCTP_INP_DECR_REF(inp); 485 atomic_subtract_int(&stcb->asoc.refcnt, 1); 486 return (error); 487 } 488 SCTP_INP_INFO_RLOCK(); 489 SCTP_INP_RLOCK(inp); 490 error = copy_out_local_addresses(inp, stcb, req); 491 if (error) { 492 SCTP_INP_DECR_REF(inp); 493 atomic_subtract_int(&stcb->asoc.refcnt, 1); 494 return (error); 495 } 496 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 497 xraddr.last = 0; 498 xraddr.address = net->ro._l_addr; 499 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 500 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 501 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 502 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF); 503 xraddr.rto = net->RTO; 504 xraddr.max_path_rtx = net->failure_threshold; 505 xraddr.rtx = net->marked_retrans; 506 xraddr.error_counter = net->error_count; 507 xraddr.cwnd = net->cwnd; 508 xraddr.flight_size = net->flight_size; 509 xraddr.mtu = net->mtu; 510 xraddr.rtt = net->rtt / 1000; 511 xraddr.heartbeat_interval = net->heart_beat_delay; 512 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec; 513 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec; 514 SCTP_INP_RUNLOCK(inp); 515 SCTP_INP_INFO_RUNLOCK(); 516 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 517 if (error) { 518 SCTP_INP_DECR_REF(inp); 519 atomic_subtract_int(&stcb->asoc.refcnt, 1); 520 return (error); 521 } 522 SCTP_INP_INFO_RLOCK(); 523 SCTP_INP_RLOCK(inp); 524 } 525 atomic_subtract_int(&stcb->asoc.refcnt, 1); 526 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 527 xraddr.last = 1; 528 SCTP_INP_RUNLOCK(inp); 529 SCTP_INP_INFO_RUNLOCK(); 530 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 531 if (error) { 532 SCTP_INP_DECR_REF(inp); 533 return (error); 534 } 535 SCTP_INP_INFO_RLOCK(); 536 SCTP_INP_RLOCK(inp); 537 } 538 SCTP_INP_DECR_REF(inp); 539 SCTP_INP_RUNLOCK(inp); 540 SCTP_INP_INFO_RUNLOCK(); 541 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 542 xstcb.last = 1; 543 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 544 if (error) { 545 return (error); 546 } 547 skip: 548 SCTP_INP_INFO_RLOCK(); 549 } 550 SCTP_INP_INFO_RUNLOCK(); 551 552 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 553 xinpcb.last = 1; 554 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 555 return (error); 556 } 557 558 559 #define RANGECHK(var, min, max) \ 560 if ((var) < (min)) { (var) = (min); } \ 561 else if ((var) > (max)) { (var) = (max); } 562 563 static int 564 sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS) 565 { 566 int error; 567 uint32_t old_sctp_udp_tunneling_port; 568 569 SCTP_INP_INFO_RLOCK(); 570 old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 571 SCTP_INP_INFO_RUNLOCK(); 572 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 573 if (error == 0) { 574 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX); 575 if (old_sctp_udp_tunneling_port == SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 576 error = 0; 577 goto out; 578 } 579 SCTP_INP_INFO_WLOCK(); 580 if (old_sctp_udp_tunneling_port) { 581 sctp_over_udp_stop(); 582 } 583 if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 584 if (sctp_over_udp_start()) { 585 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0; 586 } 587 } 588 SCTP_INP_INFO_WUNLOCK(); 589 } 590 out: 591 return (error); 592 } 593 594 595 static int 596 sysctl_sctp_check(SYSCTL_HANDLER_ARGS) 597 { 598 int error; 599 600 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 601 if (error == 0) { 602 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX); 603 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX); 604 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); 605 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX); 606 RANGECHK(SCTP_BASE_SYSCTL(sctp_pr_enable), SCTPCTL_PR_ENABLE_MIN, SCTPCTL_PR_ENABLE_MAX); 607 RANGECHK(SCTP_BASE_SYSCTL(sctp_reconfig_enable), SCTPCTL_RECONFIG_ENABLE_MIN, SCTPCTL_RECONFIG_ENABLE_MAX); 608 RANGECHK(SCTP_BASE_SYSCTL(sctp_nrsack_enable), SCTPCTL_NRSACK_ENABLE_MIN, SCTPCTL_NRSACK_ENABLE_MAX); 609 RANGECHK(SCTP_BASE_SYSCTL(sctp_pktdrop_enable), SCTPCTL_PKTDROP_ENABLE_MIN, SCTPCTL_PKTDROP_ENABLE_MAX); 610 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX); 611 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX); 612 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX); 613 RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTPCTL_FRMAXBURST_MAX); 614 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX); 615 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX); 616 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX); 617 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX); 618 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX); 619 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX); 620 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX); 621 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX); 622 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX); 623 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX); 624 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX); 625 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX); 626 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX); 627 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX); 628 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX); 629 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX); 630 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX); 631 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX); 632 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX); 633 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX); 634 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX); 635 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, SCTPCTL_PATH_PF_THRESHOLD_MAX); 636 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX); 637 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), SCTPCTL_INCOMING_STREAMS_MIN, SCTPCTL_INCOMING_STREAMS_MAX); 638 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX); 639 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX); 640 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX); 641 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX); 642 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 643 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX); 644 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX); 645 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX); 646 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX); 647 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX); 648 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX); 649 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX); 650 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX); 651 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX); 652 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX); 653 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX); 654 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX); 655 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX); 656 RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX); 657 RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX); 658 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_BW_MAX); 659 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR_RTT_MAX); 660 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RTTVAR_EQRET_MAX); 661 RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_RTTVAR_STEADYS_MAX); 662 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_RTTVAR_DCCCECN_MAX); 663 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX); 664 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX); 665 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX); 666 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX); 667 RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOLE_MAX); 668 RANGECHK(SCTP_BASE_SYSCTL(sctp_diag_info_code), SCTPCTL_DIAG_INFO_CODE_MIN, SCTPCTL_DIAG_INFO_CODE_MAX); 669 670 #ifdef SCTP_DEBUG 671 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX); 672 #endif 673 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 674 RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX); 675 #endif 676 } 677 return (error); 678 } 679 680 static int 681 sysctl_sctp_auth_check(SYSCTL_HANDLER_ARGS) 682 { 683 int error; 684 685 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 686 if (error == 0) { 687 if (SCTP_BASE_SYSCTL(sctp_auth_disable) < SCTPCTL_AUTH_DISABLE_MIN) { 688 SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_MIN; 689 } 690 if (SCTP_BASE_SYSCTL(sctp_auth_disable) > SCTPCTL_AUTH_DISABLE_MAX) { 691 SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_MAX; 692 } 693 if ((SCTP_BASE_SYSCTL(sctp_auth_disable) == 1) && 694 (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1)) { 695 /* 696 * You can't disable AUTH with disabling ASCONF 697 * first 698 */ 699 SCTP_BASE_SYSCTL(sctp_auth_disable) = 0; 700 } 701 } 702 return (error); 703 } 704 705 static int 706 sysctl_sctp_asconf_check(SYSCTL_HANDLER_ARGS) 707 { 708 int error; 709 710 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 711 if (error == 0) { 712 if (SCTP_BASE_SYSCTL(sctp_asconf_enable) < SCTPCTL_ASCONF_ENABLE_MIN) { 713 SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_MIN; 714 } 715 if (SCTP_BASE_SYSCTL(sctp_asconf_enable) > SCTPCTL_ASCONF_ENABLE_MAX) { 716 SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_MAX; 717 } 718 if ((SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1) && 719 (SCTP_BASE_SYSCTL(sctp_auth_disable) == 1)) { 720 /* 721 * You can't enable ASCONF without enabling AUTH 722 * first 723 */ 724 SCTP_BASE_SYSCTL(sctp_asconf_enable) = 0; 725 } 726 } 727 return (error); 728 } 729 730 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 731 static int 732 sysctl_stat_get(SYSCTL_HANDLER_ARGS) 733 { 734 int cpu, error; 735 struct sctpstat sb, *sarry, *cpin = NULL; 736 737 if ((req->newptr) && (req->newlen == sizeof(struct sctpstat))) { 738 /* 739 * User wants us to clear or at least reset the counters to 740 * the specified values. 741 */ 742 cpin = (struct sctpstat *)req->newptr; 743 } else if (req->newptr) { 744 /* Must be a stat structure */ 745 return (EINVAL); 746 } 747 memset(&sb, 0, sizeof(sb)); 748 for (cpu = 0; cpu < mp_maxid; cpu++) { 749 sarry = &SCTP_BASE_STATS[cpu]; 750 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { 751 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; 752 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; 753 } 754 sb.sctps_currestab += sarry->sctps_currestab; 755 sb.sctps_activeestab += sarry->sctps_activeestab; 756 sb.sctps_restartestab += sarry->sctps_restartestab; 757 sb.sctps_collisionestab += sarry->sctps_collisionestab; 758 sb.sctps_passiveestab += sarry->sctps_passiveestab; 759 sb.sctps_aborted += sarry->sctps_aborted; 760 sb.sctps_shutdown += sarry->sctps_shutdown; 761 sb.sctps_outoftheblue += sarry->sctps_outoftheblue; 762 sb.sctps_checksumerrors += sarry->sctps_checksumerrors; 763 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; 764 sb.sctps_outorderchunks += sarry->sctps_outorderchunks; 765 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; 766 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; 767 sb.sctps_inorderchunks += sarry->sctps_inorderchunks; 768 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; 769 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; 770 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; 771 sb.sctps_outpackets += sarry->sctps_outpackets; 772 sb.sctps_inpackets += sarry->sctps_inpackets; 773 sb.sctps_recvpackets += sarry->sctps_recvpackets; 774 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; 775 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; 776 sb.sctps_recvsacks += sarry->sctps_recvsacks; 777 sb.sctps_recvdata += sarry->sctps_recvdata; 778 sb.sctps_recvdupdata += sarry->sctps_recvdupdata; 779 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; 780 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; 781 sb.sctps_recvecne += sarry->sctps_recvecne; 782 sb.sctps_recvauth += sarry->sctps_recvauth; 783 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; 784 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; 785 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; 786 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; 787 sb.sctps_recvexpress += sarry->sctps_recvexpress; 788 sb.sctps_recvexpressm += sarry->sctps_recvexpressm; 789 sb.sctps_recvnocrc += sarry->sctps_recvnocrc; 790 sb.sctps_recvswcrc += sarry->sctps_recvswcrc; 791 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; 792 sb.sctps_sendpackets += sarry->sctps_sendpackets; 793 sb.sctps_sendsacks += sarry->sctps_sendsacks; 794 sb.sctps_senddata += sarry->sctps_senddata; 795 sb.sctps_sendretransdata += sarry->sctps_sendretransdata; 796 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; 797 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; 798 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; 799 sb.sctps_sendecne += sarry->sctps_sendecne; 800 sb.sctps_sendauth += sarry->sctps_sendauth; 801 sb.sctps_senderrors += sarry->sctps_senderrors; 802 sb.sctps_sendnocrc += sarry->sctps_sendnocrc; 803 sb.sctps_sendswcrc += sarry->sctps_sendswcrc; 804 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; 805 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; 806 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; 807 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; 808 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; 809 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; 810 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; 811 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; 812 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; 813 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; 814 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; 815 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; 816 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; 817 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; 818 sb.sctps_pdrpmark += sarry->sctps_pdrpmark; 819 sb.sctps_timoiterator += sarry->sctps_timoiterator; 820 sb.sctps_timodata += sarry->sctps_timodata; 821 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; 822 sb.sctps_timoinit += sarry->sctps_timoinit; 823 sb.sctps_timosack += sarry->sctps_timosack; 824 sb.sctps_timoshutdown += sarry->sctps_timoshutdown; 825 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; 826 sb.sctps_timocookie += sarry->sctps_timocookie; 827 sb.sctps_timosecret += sarry->sctps_timosecret; 828 sb.sctps_timopathmtu += sarry->sctps_timopathmtu; 829 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; 830 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; 831 sb.sctps_timostrmrst += sarry->sctps_timostrmrst; 832 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; 833 sb.sctps_timoasconf += sarry->sctps_timoasconf; 834 sb.sctps_timodelprim += sarry->sctps_timodelprim; 835 sb.sctps_timoautoclose += sarry->sctps_timoautoclose; 836 sb.sctps_timoassockill += sarry->sctps_timoassockill; 837 sb.sctps_timoinpkill += sarry->sctps_timoinpkill; 838 sb.sctps_hdrops += sarry->sctps_hdrops; 839 sb.sctps_badsum += sarry->sctps_badsum; 840 sb.sctps_noport += sarry->sctps_noport; 841 sb.sctps_badvtag += sarry->sctps_badvtag; 842 sb.sctps_badsid += sarry->sctps_badsid; 843 sb.sctps_nomem += sarry->sctps_nomem; 844 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; 845 sb.sctps_markedretrans += sarry->sctps_markedretrans; 846 sb.sctps_naglesent += sarry->sctps_naglesent; 847 sb.sctps_naglequeued += sarry->sctps_naglequeued; 848 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; 849 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; 850 sb.sctps_windowprobed += sarry->sctps_windowprobed; 851 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; 852 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; 853 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; 854 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; 855 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; 856 sb.sctps_vtagexpress += sarry->sctps_vtagexpress; 857 sb.sctps_vtagbogus += sarry->sctps_vtagbogus; 858 sb.sctps_primary_randry += sarry->sctps_primary_randry; 859 sb.sctps_cmt_randry += sarry->sctps_cmt_randry; 860 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; 861 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; 862 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; 863 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; 864 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; 865 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; 866 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; 867 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; 868 sb.sctps_read_peeks += sarry->sctps_read_peeks; 869 sb.sctps_cached_chk += sarry->sctps_cached_chk; 870 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; 871 sb.sctps_left_abandon += sarry->sctps_left_abandon; 872 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; 873 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; 874 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; 875 if (cpin) { 876 memcpy(sarry, cpin, sizeof(struct sctpstat)); 877 } 878 } 879 error = SYSCTL_OUT(req, &sb, sizeof(sb)); 880 return (error); 881 } 882 883 #endif 884 885 #if defined(SCTP_LOCAL_TRACE_BUF) 886 static int 887 sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS) 888 { 889 int error = 0; 890 891 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 892 return (error); 893 } 894 895 #endif 896 897 898 /* 899 * sysctl definitions 900 */ 901 902 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_UINT | CTLFLAG_RW, 903 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU", 904 SCTPCTL_MAXDGRAM_DESC); 905 906 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_UINT | CTLFLAG_RW, 907 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU", 908 SCTPCTL_RECVSPACE_DESC); 909 910 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_UINT | CTLFLAG_RW, 911 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU", 912 SCTPCTL_AUTOASCONF_DESC); 913 914 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_UINT | CTLFLAG_RW, 915 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU", 916 SCTPCTL_ECN_ENABLE_DESC); 917 918 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pr_enable, CTLTYPE_UINT | CTLFLAG_RW, 919 &SCTP_BASE_SYSCTL(sctp_pr_enable), 0, sysctl_sctp_check, "IU", 920 SCTPCTL_PR_ENABLE_DESC); 921 922 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_UINT | CTLFLAG_RW, 923 &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_auth_check, "IU", 924 SCTPCTL_AUTH_DISABLE_DESC); 925 926 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLTYPE_UINT | CTLFLAG_RW, 927 &SCTP_BASE_SYSCTL(sctp_asconf_enable), 0, sysctl_sctp_asconf_check, "IU", 928 SCTPCTL_ASCONF_ENABLE_DESC); 929 930 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, reconfig_enable, CTLTYPE_UINT | CTLFLAG_RW, 931 &SCTP_BASE_SYSCTL(sctp_reconfig_enable), 0, sysctl_sctp_check, "IU", 932 SCTPCTL_RECONFIG_ENABLE_DESC); 933 934 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nrsack_enable, CTLTYPE_UINT | CTLFLAG_RW, 935 &SCTP_BASE_SYSCTL(sctp_nrsack_enable), 0, sysctl_sctp_check, "IU", 936 SCTPCTL_NRSACK_ENABLE_DESC); 937 938 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pktdrop_enable, CTLTYPE_UINT | CTLFLAG_RW, 939 &SCTP_BASE_SYSCTL(sctp_pktdrop_enable), 0, sysctl_sctp_check, "IU", 940 SCTPCTL_PKTDROP_ENABLE_DESC); 941 942 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_UINT | CTLFLAG_RW, 943 &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU", 944 SCTPCTL_STRICT_SACKS_DESC); 945 946 947 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_UINT | CTLFLAG_RW, 948 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU", 949 SCTPCTL_PEER_CHKOH_DESC); 950 951 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_UINT | CTLFLAG_RW, 952 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU", 953 SCTPCTL_MAXBURST_DESC); 954 955 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, fr_maxburst, CTLTYPE_UINT | CTLFLAG_RW, 956 &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sysctl_sctp_check, "IU", 957 SCTPCTL_FRMAXBURST_DESC); 958 959 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_UINT | CTLFLAG_RW, 960 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU", 961 SCTPCTL_MAXCHUNKS_DESC); 962 963 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_UINT | CTLFLAG_RW, 964 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU", 965 SCTPCTL_TCBHASHSIZE_DESC); 966 967 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_UINT | CTLFLAG_RW, 968 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU", 969 SCTPCTL_PCBHASHSIZE_DESC); 970 971 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_UINT | CTLFLAG_RW, 972 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU", 973 SCTPCTL_MIN_SPLIT_POINT_DESC); 974 975 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_UINT | CTLFLAG_RW, 976 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU", 977 SCTPCTL_CHUNKSCALE_DESC); 978 979 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_UINT | CTLFLAG_RW, 980 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU", 981 SCTPCTL_DELAYED_SACK_TIME_DESC); 982 983 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_UINT | CTLFLAG_RW, 984 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU", 985 SCTPCTL_SACK_FREQ_DESC); 986 987 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_UINT | CTLFLAG_RW, 988 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU", 989 SCTPCTL_SYS_RESOURCE_DESC); 990 991 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_UINT | CTLFLAG_RW, 992 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU", 993 SCTPCTL_ASOC_RESOURCE_DESC); 994 995 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_UINT | CTLFLAG_RW, 996 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU", 997 SCTPCTL_HEARTBEAT_INTERVAL_DESC); 998 999 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_UINT | CTLFLAG_RW, 1000 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU", 1001 SCTPCTL_PMTU_RAISE_TIME_DESC); 1002 1003 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_UINT | CTLFLAG_RW, 1004 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU", 1005 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC); 1006 1007 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_UINT | CTLFLAG_RW, 1008 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU", 1009 SCTPCTL_SECRET_LIFETIME_DESC); 1010 1011 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_UINT | CTLFLAG_RW, 1012 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU", 1013 SCTPCTL_RTO_MAX_DESC); 1014 1015 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_UINT | CTLFLAG_RW, 1016 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU", 1017 SCTPCTL_RTO_MIN_DESC); 1018 1019 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_UINT | CTLFLAG_RW, 1020 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU", 1021 SCTPCTL_RTO_INITIAL_DESC); 1022 1023 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_UINT | CTLFLAG_RW, 1024 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU", 1025 SCTPCTL_INIT_RTO_MAX_DESC); 1026 1027 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_UINT | CTLFLAG_RW, 1028 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU", 1029 SCTPCTL_VALID_COOKIE_LIFE_DESC); 1030 1031 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_UINT | CTLFLAG_RW, 1032 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU", 1033 SCTPCTL_INIT_RTX_MAX_DESC); 1034 1035 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_UINT | CTLFLAG_RW, 1036 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU", 1037 SCTPCTL_ASSOC_RTX_MAX_DESC); 1038 1039 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_UINT | CTLFLAG_RW, 1040 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU", 1041 SCTPCTL_PATH_RTX_MAX_DESC); 1042 1043 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, path_pf_threshold, CTLTYPE_UINT | CTLFLAG_RW, 1044 &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sysctl_sctp_check, "IU", 1045 SCTPCTL_PATH_PF_THRESHOLD_DESC); 1046 1047 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_UINT | CTLFLAG_RW, 1048 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU", 1049 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC); 1050 1051 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, incoming_streams, CTLTYPE_UINT | CTLFLAG_RW, 1052 &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sysctl_sctp_check, "IU", 1053 SCTPCTL_INCOMING_STREAMS_DESC); 1054 1055 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_UINT | CTLFLAG_RW, 1056 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU", 1057 SCTPCTL_OUTGOING_STREAMS_DESC); 1058 1059 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_UINT | CTLFLAG_RW, 1060 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU", 1061 SCTPCTL_CMT_ON_OFF_DESC); 1062 1063 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_UINT | CTLFLAG_RW, 1064 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU", 1065 SCTPCTL_CMT_USE_DAC_DESC); 1066 1067 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_UINT | CTLFLAG_RW, 1068 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU", 1069 SCTPCTL_CWND_MAXBURST_DESC); 1070 1071 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_UINT | CTLFLAG_RW, 1072 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU", 1073 SCTPCTL_NAT_FRIENDLY_DESC); 1074 1075 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_UINT | CTLFLAG_RW, 1076 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU", 1077 SCTPCTL_ABC_L_VAR_DESC); 1078 1079 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_UINT | CTLFLAG_RW, 1080 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU", 1081 SCTPCTL_MAX_CHAINED_MBUFS_DESC); 1082 1083 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_UINT | CTLFLAG_RW, 1084 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU", 1085 SCTPCTL_DO_SCTP_DRAIN_DESC); 1086 1087 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_UINT | CTLFLAG_RW, 1088 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU", 1089 SCTPCTL_HB_MAX_BURST_DESC); 1090 1091 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_UINT | CTLFLAG_RW, 1092 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU", 1093 SCTPCTL_ABORT_AT_LIMIT_DESC); 1094 1095 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_UINT | CTLFLAG_RW, 1096 &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU", 1097 SCTPCTL_STRICT_DATA_ORDER_DESC); 1098 1099 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_UINT | CTLFLAG_RW, 1100 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU", 1101 SCTPCTL_MIN_RESIDUAL_DESC); 1102 1103 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_UINT | CTLFLAG_RW, 1104 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU", 1105 SCTPCTL_MAX_RETRAN_CHUNK_DESC); 1106 1107 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_UINT | CTLFLAG_RW, 1108 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU", 1109 SCTPCTL_LOGGING_LEVEL_DESC); 1110 1111 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_UINT | CTLFLAG_RW, 1112 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU", 1113 SCTPCTL_DEFAULT_CC_MODULE_DESC); 1114 1115 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_ss_module, CTLTYPE_UINT | CTLFLAG_RW, 1116 &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sysctl_sctp_check, "IU", 1117 SCTPCTL_DEFAULT_SS_MODULE_DESC); 1118 1119 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_UINT | CTLFLAG_RW, 1120 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU", 1121 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC); 1122 1123 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_UINT | CTLFLAG_RW, 1124 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU", 1125 SCTPCTL_MOBILITY_BASE_DESC); 1126 1127 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_UINT | CTLFLAG_RW, 1128 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU", 1129 SCTPCTL_MOBILITY_FASTHANDOFF_DESC); 1130 1131 #if defined(SCTP_LOCAL_TRACE_BUF) 1132 SYSCTL_VNET_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD, 1133 &SCTP_BASE_SYSCTL(sctp_log), sctp_log, 1134 "SCTP logging (struct sctp_log)"); 1135 1136 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_UINT | CTLFLAG_RW, 1137 &SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU", 1138 "Clear SCTP Logging buffer"); 1139 #endif 1140 1141 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_UINT | CTLFLAG_RW, 1142 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU", 1143 SCTPCTL_UDP_TUNNELING_PORT_DESC); 1144 1145 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_UINT | CTLFLAG_RW, 1146 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU", 1147 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC); 1148 1149 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nat_friendly_init, CTLTYPE_UINT | CTLFLAG_RW, 1150 &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sysctl_sctp_check, "IU", 1151 SCTPCTL_NAT_FRIENDLY_INITS_DESC); 1152 1153 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, vtag_time_wait, CTLTYPE_UINT | CTLFLAG_RW, 1154 &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sysctl_sctp_check, "IU", 1155 SCTPCTL_TIME_WAIT_DESC); 1156 1157 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, buffer_splitting, CTLTYPE_UINT | CTLFLAG_RW, 1158 &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sysctl_sctp_check, "IU", 1159 SCTPCTL_BUFFER_SPLITTING_DESC); 1160 1161 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, initial_cwnd, CTLTYPE_UINT | CTLFLAG_RW, 1162 &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sysctl_sctp_check, "IU", 1163 SCTPCTL_INITIAL_CWND_DESC); 1164 1165 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_bw, CTLTYPE_UINT | CTLFLAG_RW, 1166 &SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sysctl_sctp_check, "IU", 1167 SCTPCTL_RTTVAR_BW_DESC); 1168 1169 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_rtt, CTLTYPE_UINT | CTLFLAG_RW, 1170 &SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sysctl_sctp_check, "IU", 1171 SCTPCTL_RTTVAR_RTT_DESC); 1172 1173 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_eqret, CTLTYPE_UINT | CTLFLAG_RW, 1174 &SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sysctl_sctp_check, "IU", 1175 SCTPCTL_RTTVAR_EQRET_DESC); 1176 1177 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_steady_step, CTLTYPE_UINT | CTLFLAG_RW, 1178 &SCTP_BASE_SYSCTL(sctp_steady_step), 0, sysctl_sctp_check, "IU", 1179 SCTPCTL_RTTVAR_STEADYS_DESC); 1180 1181 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, use_dcccecn, CTLTYPE_UINT | CTLFLAG_RW, 1182 &SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sysctl_sctp_check, "IU", 1183 SCTPCTL_RTTVAR_DCCCECN_DESC); 1184 1185 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, blackhole, CTLTYPE_UINT | CTLFLAG_RW, 1186 &SCTP_BASE_SYSCTL(sctp_blackhole), 0, sysctl_sctp_check, "IU", 1187 SCTPCTL_BLACKHOLE_DESC); 1188 1189 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, diag_info_code, CTLTYPE_UINT | CTLFLAG_RW, 1190 &SCTP_BASE_SYSCTL(sctp_diag_info_code), 0, sysctl_sctp_check, "IU", 1191 SCTPCTL_DIAG_INFO_CODE_DESC); 1192 1193 #ifdef SCTP_DEBUG 1194 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_UINT | CTLFLAG_RW, 1195 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU", 1196 SCTPCTL_DEBUG_DESC); 1197 #endif 1198 1199 1200 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 1201 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_UINT | CTLFLAG_RW, 1202 &SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU", 1203 SCTPCTL_OUTPUT_UNLOCKED_DESC); 1204 #endif 1205 1206 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1207 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, stats, 1208 CTLTYPE_STRUCT | CTLFLAG_RW, 1209 0, 0, sysctl_stat_get, "S,sctpstat", 1210 "SCTP statistics (struct sctp_stat)"); 1211 #else 1212 SYSCTL_VNET_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW, 1213 &SCTP_BASE_STATS_SYSCTL, sctpstat, 1214 "SCTP statistics (struct sctp_stat)"); 1215 #endif 1216 1217 SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLTYPE_OPAQUE | CTLFLAG_RD, 1218 0, 0, sctp_assoclist, 1219 "S,xassoc", "List of active SCTP associations"); 1220