1 /*- 2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include <netinet/sctp_os.h> 35 #include <netinet/sctp.h> 36 #include <netinet/sctp_constants.h> 37 #include <netinet/sctp_sysctl.h> 38 #include <netinet/sctp_pcb.h> 39 #include <netinet/sctputil.h> 40 #include <netinet/sctp_output.h> 41 42 /* 43 * sysctl tunable variables 44 */ 45 46 void 47 sctp_init_sysctls() 48 { 49 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; 50 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; 51 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; 52 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; 53 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; 54 SCTP_BASE_SYSCTL(sctp_ecn_nonce) = SCTPCTL_ECN_NONCE_DEFAULT; 55 SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT; 56 SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT; 57 SCTP_BASE_SYSCTL(sctp_strict_init) = SCTPCTL_STRICT_INIT_DEFAULT; 58 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; 59 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; 60 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; 61 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 62 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 63 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; 64 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 65 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT; 66 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; 67 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; 68 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; 69 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT; 70 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; 71 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT; 72 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; 73 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; 74 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; 75 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; 76 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; 77 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT; 78 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; 79 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; 80 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; 81 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; 82 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT; 83 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; 84 /* EY */ 85 SCTP_BASE_SYSCTL(sctp_nr_sack_on_off) = SCTPCTL_NR_SACK_ON_OFF_DEFAULT; 86 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 87 SCTP_BASE_SYSCTL(sctp_cmt_pf) = SCTPCTL_CMT_PF_DEFAULT; 88 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 89 SCTP_BASE_SYSCTL(sctp_early_fr) = SCTPCTL_EARLY_FAST_RETRAN_DEFAULT; 90 SCTP_BASE_SYSCTL(sctp_early_fr_msec) = SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT; 91 SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk) = SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT; 92 SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_DEFAULT; 93 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 94 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 95 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 96 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 97 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 98 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 99 SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT; 100 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 101 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 102 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 103 /* JRS - Variable for default congestion control module */ 104 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 105 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 106 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 107 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 108 #if defined(SCTP_LOCAL_TRACE_BUF) 109 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 110 #endif 111 SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable) = SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT; 112 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 113 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 114 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 115 #if defined(SCTP_DEBUG) 116 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 117 #endif 118 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 119 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 120 #endif 121 } 122 123 124 /* It returns an upper limit. No filtering is done here */ 125 static unsigned int 126 number_of_addresses(struct sctp_inpcb *inp) 127 { 128 int cnt; 129 struct sctp_vrf *vrf; 130 struct sctp_ifn *sctp_ifn; 131 struct sctp_ifa *sctp_ifa; 132 struct sctp_laddr *laddr; 133 134 cnt = 0; 135 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 136 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 137 return (0); 138 } 139 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 140 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 141 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 142 if ((sctp_ifa->address.sa.sa_family == AF_INET) || 143 (sctp_ifa->address.sa.sa_family == AF_INET6)) { 144 cnt++; 145 } 146 } 147 } 148 } else { 149 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 150 if ((laddr->ifa->address.sa.sa_family == AF_INET) || 151 (laddr->ifa->address.sa.sa_family == AF_INET6)) { 152 cnt++; 153 } 154 } 155 } 156 return (cnt); 157 } 158 159 static int 160 copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 161 { 162 struct sctp_ifn *sctp_ifn; 163 struct sctp_ifa *sctp_ifa; 164 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 165 int ipv4_addr_legal, ipv6_addr_legal; 166 struct sctp_vrf *vrf; 167 struct xsctp_laddr xladdr; 168 struct sctp_laddr *laddr; 169 int error; 170 171 /* Turn on all the appropriate scope */ 172 if (stcb) { 173 /* use association specific values */ 174 loopback_scope = stcb->asoc.loopback_scope; 175 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 176 local_scope = stcb->asoc.local_scope; 177 site_scope = stcb->asoc.site_scope; 178 } else { 179 /* use generic values for endpoints */ 180 loopback_scope = 1; 181 ipv4_local_scope = 1; 182 local_scope = 1; 183 site_scope = 1; 184 } 185 186 /* use only address families of interest */ 187 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 188 ipv6_addr_legal = 1; 189 if (SCTP_IPV6_V6ONLY(inp)) { 190 ipv4_addr_legal = 0; 191 } else { 192 ipv4_addr_legal = 1; 193 } 194 } else { 195 ipv4_addr_legal = 1; 196 ipv6_addr_legal = 0; 197 } 198 199 error = 0; 200 201 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 202 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 203 SCTP_INP_RUNLOCK(inp); 204 SCTP_INP_INFO_RUNLOCK(); 205 return (-1); 206 } 207 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 208 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 209 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 210 /* Skip loopback if loopback_scope not set */ 211 continue; 212 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 213 if (stcb) { 214 /* 215 * ignore if blacklisted at 216 * association level 217 */ 218 if (sctp_is_addr_restricted(stcb, sctp_ifa)) 219 continue; 220 } 221 switch (sctp_ifa->address.sa.sa_family) { 222 case AF_INET: 223 if (ipv4_addr_legal) { 224 struct sockaddr_in *sin; 225 226 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 227 if (sin->sin_addr.s_addr == 0) 228 continue; 229 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) 230 continue; 231 } else { 232 continue; 233 } 234 break; 235 #ifdef INET6 236 case AF_INET6: 237 if (ipv6_addr_legal) { 238 struct sockaddr_in6 *sin6; 239 240 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 241 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) 242 continue; 243 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 244 if (local_scope == 0) 245 continue; 246 if (sin6->sin6_scope_id == 0) { 247 /* 248 * bad link 249 * local 250 * address 251 */ 252 if (sa6_recoverscope(sin6) != 0) 253 continue; 254 } 255 } 256 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 257 continue; 258 } else { 259 continue; 260 } 261 break; 262 #endif 263 default: 264 continue; 265 } 266 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 267 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 268 SCTP_INP_RUNLOCK(inp); 269 SCTP_INP_INFO_RUNLOCK(); 270 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 271 if (error) { 272 return (error); 273 } else { 274 SCTP_INP_INFO_RLOCK(); 275 SCTP_INP_RLOCK(inp); 276 } 277 } 278 } 279 } else { 280 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 281 /* ignore if blacklisted at association level */ 282 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 283 continue; 284 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 285 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 286 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec; 287 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec; 288 SCTP_INP_RUNLOCK(inp); 289 SCTP_INP_INFO_RUNLOCK(); 290 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 291 if (error) { 292 return (error); 293 } else { 294 SCTP_INP_INFO_RLOCK(); 295 SCTP_INP_RLOCK(inp); 296 } 297 } 298 } 299 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 300 xladdr.last = 1; 301 SCTP_INP_RUNLOCK(inp); 302 SCTP_INP_INFO_RUNLOCK(); 303 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 304 305 if (error) { 306 return (error); 307 } else { 308 SCTP_INP_INFO_RLOCK(); 309 SCTP_INP_RLOCK(inp); 310 return (0); 311 } 312 } 313 314 /* 315 * sysctl functions 316 */ 317 static int 318 sctp_assoclist(SYSCTL_HANDLER_ARGS) 319 { 320 unsigned int number_of_endpoints; 321 unsigned int number_of_local_addresses; 322 unsigned int number_of_associations; 323 unsigned int number_of_remote_addresses; 324 unsigned int n; 325 int error; 326 struct sctp_inpcb *inp; 327 struct sctp_tcb *stcb; 328 struct sctp_nets *net; 329 struct xsctp_inpcb xinpcb; 330 struct xsctp_tcb xstcb; 331 struct xsctp_raddr xraddr; 332 333 number_of_endpoints = 0; 334 number_of_local_addresses = 0; 335 number_of_associations = 0; 336 number_of_remote_addresses = 0; 337 338 SCTP_INP_INFO_RLOCK(); 339 if (req->oldptr == USER_ADDR_NULL) { 340 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 341 SCTP_INP_RLOCK(inp); 342 number_of_endpoints++; 343 number_of_local_addresses += number_of_addresses(inp); 344 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 345 number_of_associations++; 346 number_of_local_addresses += number_of_addresses(inp); 347 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 348 number_of_remote_addresses++; 349 } 350 } 351 SCTP_INP_RUNLOCK(inp); 352 } 353 SCTP_INP_INFO_RUNLOCK(); 354 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 355 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 356 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 357 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 358 359 /* request some more memory than needed */ 360 req->oldidx = (n + n / 8); 361 return 0; 362 } 363 if (req->newptr != USER_ADDR_NULL) { 364 SCTP_INP_INFO_RUNLOCK(); 365 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 366 return EPERM; 367 } 368 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 369 SCTP_INP_RLOCK(inp); 370 xinpcb.last = 0; 371 xinpcb.local_port = ntohs(inp->sctp_lport); 372 xinpcb.flags = inp->sctp_flags; 373 xinpcb.features = inp->sctp_features; 374 xinpcb.total_sends = inp->total_sends; 375 xinpcb.total_recvs = inp->total_recvs; 376 xinpcb.total_nospaces = inp->total_nospaces; 377 xinpcb.fragmentation_point = inp->sctp_frag_point; 378 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 379 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 380 xinpcb.qlen = 0; 381 xinpcb.maxqlen = 0; 382 } else { 383 xinpcb.qlen = inp->sctp_socket->so_qlen; 384 xinpcb.maxqlen = inp->sctp_socket->so_qlimit; 385 } 386 SCTP_INP_INCR_REF(inp); 387 SCTP_INP_RUNLOCK(inp); 388 SCTP_INP_INFO_RUNLOCK(); 389 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 390 if (error) { 391 SCTP_INP_DECR_REF(inp); 392 return error; 393 } 394 SCTP_INP_INFO_RLOCK(); 395 SCTP_INP_RLOCK(inp); 396 error = copy_out_local_addresses(inp, NULL, req); 397 if (error) { 398 SCTP_INP_DECR_REF(inp); 399 return error; 400 } 401 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 402 SCTP_TCB_LOCK(stcb); 403 atomic_add_int(&stcb->asoc.refcnt, 1); 404 SCTP_TCB_UNLOCK(stcb); 405 xstcb.last = 0; 406 xstcb.local_port = ntohs(inp->sctp_lport); 407 xstcb.remote_port = ntohs(stcb->rport); 408 if (stcb->asoc.primary_destination != NULL) 409 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 410 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 411 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */ 412 /* 7.0 does not support these */ 413 xstcb.assoc_id = sctp_get_associd(stcb); 414 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 415 xstcb.in_streams = stcb->asoc.streamincnt; 416 xstcb.out_streams = stcb->asoc.streamoutcnt; 417 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 418 xstcb.primary_process = 0; /* not really supported 419 * yet */ 420 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 421 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 422 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 423 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec; 424 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec; 425 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec; 426 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec; 427 xstcb.total_sends = stcb->total_sends; 428 xstcb.total_recvs = stcb->total_recvs; 429 xstcb.local_tag = stcb->asoc.my_vtag; 430 xstcb.remote_tag = stcb->asoc.peer_vtag; 431 xstcb.initial_tsn = stcb->asoc.init_seq_number; 432 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 433 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 434 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 435 xstcb.mtu = stcb->asoc.smallest_mtu; 436 xstcb.refcnt = stcb->asoc.refcnt; 437 SCTP_INP_RUNLOCK(inp); 438 SCTP_INP_INFO_RUNLOCK(); 439 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 440 if (error) { 441 SCTP_INP_DECR_REF(inp); 442 atomic_subtract_int(&stcb->asoc.refcnt, 1); 443 return error; 444 } 445 SCTP_INP_INFO_RLOCK(); 446 SCTP_INP_RLOCK(inp); 447 error = copy_out_local_addresses(inp, stcb, req); 448 if (error) { 449 SCTP_INP_DECR_REF(inp); 450 atomic_subtract_int(&stcb->asoc.refcnt, 1); 451 return error; 452 } 453 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 454 xraddr.last = 0; 455 xraddr.address = net->ro._l_addr; 456 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 457 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 458 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 459 xraddr.rto = net->RTO; 460 xraddr.max_path_rtx = net->failure_threshold; 461 xraddr.rtx = net->marked_retrans; 462 xraddr.error_counter = net->error_count; 463 xraddr.cwnd = net->cwnd; 464 xraddr.flight_size = net->flight_size; 465 xraddr.mtu = net->mtu; 466 xraddr.rtt = net->rtt; 467 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec; 468 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec; 469 SCTP_INP_RUNLOCK(inp); 470 SCTP_INP_INFO_RUNLOCK(); 471 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 472 if (error) { 473 SCTP_INP_DECR_REF(inp); 474 atomic_subtract_int(&stcb->asoc.refcnt, 1); 475 return error; 476 } 477 SCTP_INP_INFO_RLOCK(); 478 SCTP_INP_RLOCK(inp); 479 } 480 atomic_subtract_int(&stcb->asoc.refcnt, 1); 481 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 482 xraddr.last = 1; 483 SCTP_INP_RUNLOCK(inp); 484 SCTP_INP_INFO_RUNLOCK(); 485 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 486 if (error) { 487 SCTP_INP_DECR_REF(inp); 488 return error; 489 } 490 SCTP_INP_INFO_RLOCK(); 491 SCTP_INP_RLOCK(inp); 492 } 493 SCTP_INP_DECR_REF(inp); 494 SCTP_INP_RUNLOCK(inp); 495 SCTP_INP_INFO_RUNLOCK(); 496 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 497 xstcb.last = 1; 498 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 499 if (error) { 500 return error; 501 } 502 SCTP_INP_INFO_RLOCK(); 503 } 504 SCTP_INP_INFO_RUNLOCK(); 505 506 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 507 xinpcb.last = 1; 508 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 509 return error; 510 } 511 512 513 #define RANGECHK(var, min, max) \ 514 if ((var) < (min)) { (var) = (min); } \ 515 else if ((var) > (max)) { (var) = (max); } 516 517 static int 518 sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS) 519 { 520 int error; 521 uint32_t old_sctp_udp_tunneling_port; 522 523 SCTP_INP_INFO_RLOCK(); 524 old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 525 SCTP_INP_INFO_RUNLOCK(); 526 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 527 if (error == 0) { 528 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX); 529 if (old_sctp_udp_tunneling_port == SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 530 error = 0; 531 goto out; 532 } 533 SCTP_INP_INFO_WLOCK(); 534 if (old_sctp_udp_tunneling_port) { 535 sctp_over_udp_stop(); 536 } 537 if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 538 if (sctp_over_udp_start()) { 539 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0; 540 } 541 } 542 SCTP_INP_INFO_WUNLOCK(); 543 } 544 out: 545 return (error); 546 } 547 548 549 static int 550 sysctl_sctp_check(SYSCTL_HANDLER_ARGS) 551 { 552 int error; 553 554 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 555 if (error == 0) { 556 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX); 557 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX); 558 #if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF) 559 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); 560 #endif 561 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX); 562 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_nonce), SCTPCTL_ECN_NONCE_MIN, SCTPCTL_ECN_NONCE_MAX); 563 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX); 564 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX); 565 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_init), SCTPCTL_STRICT_INIT_MIN, SCTPCTL_STRICT_INIT_MAX); 566 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX); 567 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX); 568 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX); 569 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX); 570 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX); 571 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX); 572 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX); 573 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX); 574 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX); 575 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX); 576 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX); 577 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX); 578 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX); 579 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX); 580 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX); 581 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX); 582 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX); 583 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX); 584 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX); 585 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX); 586 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX); 587 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX); 588 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX); 589 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX); 590 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX); 591 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX); 592 /* EY */ 593 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), SCTPCTL_NR_SACK_ON_OFF_MIN, SCTPCTL_NR_SACK_ON_OFF_MAX); 594 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX); 595 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_pf), SCTPCTL_CMT_PF_MIN, SCTPCTL_CMT_PF_MAX); 596 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX); 597 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr), SCTPCTL_EARLY_FAST_RETRAN_MIN, SCTPCTL_EARLY_FAST_RETRAN_MAX); 598 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr_msec), SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN, SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX); 599 RANGECHK(SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), SCTPCTL_ASCONF_AUTH_NOCHK_MIN, SCTPCTL_ASCONF_AUTH_NOCHK_MAX); 600 RANGECHK(SCTP_BASE_SYSCTL(sctp_auth_disable), SCTPCTL_AUTH_DISABLE_MIN, SCTPCTL_AUTH_DISABLE_MAX); 601 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 602 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX); 603 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX); 604 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX); 605 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX); 606 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX); 607 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX); 608 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX); 609 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX); 610 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX); 611 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX); 612 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX); 613 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE) 614 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX); 615 #endif 616 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 617 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX); 618 #endif 619 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN, SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX); 620 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX); 621 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 622 623 #ifdef SCTP_DEBUG 624 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX); 625 #endif 626 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 627 RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX); 628 #endif 629 } 630 return (error); 631 } 632 633 634 635 #if defined(SCTP_LOCAL_TRACE_BUF) 636 static int 637 sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS) 638 { 639 int error = 0; 640 641 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 642 return (error); 643 } 644 645 #endif 646 647 648 /* 649 * sysctl definitions 650 */ 651 652 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_INT | CTLFLAG_RW, 653 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU", 654 SCTPCTL_MAXDGRAM_DESC); 655 656 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_INT | CTLFLAG_RW, 657 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU", 658 SCTPCTL_RECVSPACE_DESC); 659 660 #if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF) 661 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_INT | CTLFLAG_RW, 662 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU", 663 SCTPCTL_AUTOASCONF_DESC); 664 #endif 665 666 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_INT | CTLFLAG_RW, 667 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU", 668 SCTPCTL_ECN_ENABLE_DESC); 669 670 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_nonce, CTLTYPE_INT | CTLFLAG_RW, 671 &SCTP_BASE_SYSCTL(sctp_ecn_nonce), 0, sysctl_sctp_check, "IU", 672 SCTPCTL_ECN_NONCE_DESC); 673 674 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_INT | CTLFLAG_RW, 675 &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU", 676 SCTPCTL_STRICT_SACKS_DESC); 677 678 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLTYPE_INT | CTLFLAG_RW, 679 &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sysctl_sctp_check, "IU", 680 SCTPCTL_LOOPBACK_NOCSUM_DESC); 681 682 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_init, CTLTYPE_INT | CTLFLAG_RW, 683 &SCTP_BASE_SYSCTL(sctp_strict_init), 0, sysctl_sctp_check, "IU", 684 SCTPCTL_STRICT_INIT_DESC); 685 686 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_INT | CTLFLAG_RW, 687 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU", 688 SCTPCTL_PEER_CHKOH_DESC); 689 690 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_INT | CTLFLAG_RW, 691 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU", 692 SCTPCTL_MAXBURST_DESC); 693 694 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_INT | CTLFLAG_RW, 695 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU", 696 SCTPCTL_MAXCHUNKS_DESC); 697 698 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_INT | CTLFLAG_RW, 699 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU", 700 SCTPCTL_TCBHASHSIZE_DESC); 701 702 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_INT | CTLFLAG_RW, 703 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU", 704 SCTPCTL_PCBHASHSIZE_DESC); 705 706 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_INT | CTLFLAG_RW, 707 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU", 708 SCTPCTL_MIN_SPLIT_POINT_DESC); 709 710 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_INT | CTLFLAG_RW, 711 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU", 712 SCTPCTL_CHUNKSCALE_DESC); 713 714 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_INT | CTLFLAG_RW, 715 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU", 716 SCTPCTL_DELAYED_SACK_TIME_DESC); 717 718 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_INT | CTLFLAG_RW, 719 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU", 720 SCTPCTL_SACK_FREQ_DESC); 721 722 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_INT | CTLFLAG_RW, 723 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU", 724 SCTPCTL_SYS_RESOURCE_DESC); 725 726 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_INT | CTLFLAG_RW, 727 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU", 728 SCTPCTL_ASOC_RESOURCE_DESC); 729 730 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_INT | CTLFLAG_RW, 731 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU", 732 SCTPCTL_HEARTBEAT_INTERVAL_DESC); 733 734 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_INT | CTLFLAG_RW, 735 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU", 736 SCTPCTL_PMTU_RAISE_TIME_DESC); 737 738 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_INT | CTLFLAG_RW, 739 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU", 740 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC); 741 742 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_INT | CTLFLAG_RW, 743 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU", 744 SCTPCTL_SECRET_LIFETIME_DESC); 745 746 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_INT | CTLFLAG_RW, 747 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU", 748 SCTPCTL_RTO_MAX_DESC); 749 750 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_INT | CTLFLAG_RW, 751 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU", 752 SCTPCTL_RTO_MIN_DESC); 753 754 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_INT | CTLFLAG_RW, 755 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU", 756 SCTPCTL_RTO_INITIAL_DESC); 757 758 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_INT | CTLFLAG_RW, 759 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU", 760 SCTPCTL_INIT_RTO_MAX_DESC); 761 762 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_INT | CTLFLAG_RW, 763 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU", 764 SCTPCTL_VALID_COOKIE_LIFE_DESC); 765 766 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 767 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU", 768 SCTPCTL_INIT_RTX_MAX_DESC); 769 770 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 771 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU", 772 SCTPCTL_ASSOC_RTX_MAX_DESC); 773 774 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 775 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU", 776 SCTPCTL_PATH_RTX_MAX_DESC); 777 778 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_INT | CTLFLAG_RW, 779 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU", 780 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC); 781 782 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_INT | CTLFLAG_RW, 783 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU", 784 SCTPCTL_OUTGOING_STREAMS_DESC); 785 786 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_INT | CTLFLAG_RW, 787 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU", 788 SCTPCTL_CMT_ON_OFF_DESC); 789 790 /* EY */ 791 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nr_sack_on_off, CTLTYPE_INT | CTLFLAG_RW, 792 &SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), 0, sysctl_sctp_check, "IU", 793 SCTPCTL_NR_SACK_ON_OFF_DESC); 794 795 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_INT | CTLFLAG_RW, 796 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU", 797 SCTPCTL_CMT_USE_DAC_DESC); 798 799 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_pf, CTLTYPE_INT | CTLFLAG_RW, 800 &SCTP_BASE_SYSCTL(sctp_cmt_pf), 0, sysctl_sctp_check, "IU", 801 SCTPCTL_CMT_PF_DESC); 802 803 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_INT | CTLFLAG_RW, 804 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU", 805 SCTPCTL_CWND_MAXBURST_DESC); 806 807 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran, CTLTYPE_INT | CTLFLAG_RW, 808 &SCTP_BASE_SYSCTL(sctp_early_fr), 0, sysctl_sctp_check, "IU", 809 SCTPCTL_EARLY_FAST_RETRAN_DESC); 810 811 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran_msec, CTLTYPE_INT | CTLFLAG_RW, 812 &SCTP_BASE_SYSCTL(sctp_early_fr_msec), 0, sysctl_sctp_check, "IU", 813 SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC); 814 815 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLTYPE_INT | CTLFLAG_RW, 816 &SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), 0, sysctl_sctp_check, "IU", 817 SCTPCTL_ASCONF_AUTH_NOCHK_DESC); 818 819 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_INT | CTLFLAG_RW, 820 &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check, "IU", 821 SCTPCTL_AUTH_DISABLE_DESC); 822 823 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_INT | CTLFLAG_RW, 824 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU", 825 SCTPCTL_NAT_FRIENDLY_DESC); 826 827 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_INT | CTLFLAG_RW, 828 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU", 829 SCTPCTL_ABC_L_VAR_DESC); 830 831 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_INT | CTLFLAG_RW, 832 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU", 833 SCTPCTL_MAX_CHAINED_MBUFS_DESC); 834 835 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_INT | CTLFLAG_RW, 836 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU", 837 SCTPCTL_DO_SCTP_DRAIN_DESC); 838 839 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_INT | CTLFLAG_RW, 840 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU", 841 SCTPCTL_HB_MAX_BURST_DESC); 842 843 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_INT | CTLFLAG_RW, 844 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU", 845 SCTPCTL_ABORT_AT_LIMIT_DESC); 846 847 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_INT | CTLFLAG_RW, 848 &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU", 849 SCTPCTL_STRICT_DATA_ORDER_DESC); 850 851 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_INT | CTLFLAG_RW, 852 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU", 853 SCTPCTL_MIN_RESIDUAL_DESC); 854 855 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_INT | CTLFLAG_RW, 856 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU", 857 SCTPCTL_MAX_RETRAN_CHUNK_DESC); 858 859 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_INT | CTLFLAG_RW, 860 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU", 861 SCTPCTL_LOGGING_LEVEL_DESC); 862 863 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_INT | CTLFLAG_RW, 864 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU", 865 SCTPCTL_DEFAULT_CC_MODULE_DESC); 866 867 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_INT | CTLFLAG_RW, 868 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU", 869 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC); 870 871 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE) 872 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_INT | CTLFLAG_RW, 873 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU", 874 SCTPCTL_MOBILITY_BASE_DESC); 875 #endif 876 877 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 878 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_INT | CTLFLAG_RW, 879 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU", 880 SCTPCTL_MOBILITY_FASTHANDOFF_DESC); 881 #endif 882 883 #if defined(SCTP_LOCAL_TRACE_BUF) 884 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD, 885 &SCTP_BASE_SYSCTL(sctp_log), sctp_log, 886 "SCTP logging (struct sctp_log)"); 887 888 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_OPAQUE | CTLFLAG_RW, 889 &SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU", 890 "Clear SCTP Logging buffer"); 891 892 893 894 #endif 895 896 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_for_client_enable, CTLTYPE_INT | CTLFLAG_RW, 897 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), 0, sysctl_sctp_check, "IU", 898 SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC); 899 900 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_INT | CTLFLAG_RW, 901 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU", 902 SCTPCTL_UDP_TUNNELING_PORT_DESC); 903 904 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_INT | CTLFLAG_RW, 905 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU", 906 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC); 907 908 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly_init, CTLTYPE_INT | CTLFLAG_RW, 909 &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sysctl_sctp_check, "IU", 910 SCTPCTL_NAT_FRIENDLY_DESC); 911 912 #ifdef SCTP_DEBUG 913 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_INT | CTLFLAG_RW, 914 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU", 915 SCTPCTL_DEBUG_DESC); 916 #endif /* SCTP_DEBUG */ 917 918 919 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 920 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_INT | CTLFLAG_RW, 921 &SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU", 922 SCTPCTL_OUTPUT_UNLOCKED_DESC); 923 #endif 924 925 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW, 926 &SCTP_BASE_STATS, sctpstat, 927 "SCTP statistics (struct sctp_stat)"); 928 929 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_RD, 930 0, 0, sctp_assoclist, 931 "S,xassoc", "List of active SCTP associations"); 932