sctp_sysctl.c revision 195919
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: head/sys/netinet/sctp_sysctl.c 195919 2009-07-28 15:07:41Z tuexen $"); 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 46void 47sctp_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 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; 109#if defined(SCTP_LOCAL_TRACE_BUF) 110 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 111#endif 112 SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable) = SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT; 113 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 114 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 115 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT; 116#if defined(SCTP_DEBUG) 117 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 118#endif 119#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 120 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 121#endif 122} 123 124 125/* It returns an upper limit. No filtering is done here */ 126static unsigned int 127number_of_addresses(struct sctp_inpcb *inp) 128{ 129 int cnt; 130 struct sctp_vrf *vrf; 131 struct sctp_ifn *sctp_ifn; 132 struct sctp_ifa *sctp_ifa; 133 struct sctp_laddr *laddr; 134 135 cnt = 0; 136 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 137 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 138 return (0); 139 } 140 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 141 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 142 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 143 if ((sctp_ifa->address.sa.sa_family == AF_INET) || 144 (sctp_ifa->address.sa.sa_family == AF_INET6)) { 145 cnt++; 146 } 147 } 148 } 149 } else { 150 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 151 if ((laddr->ifa->address.sa.sa_family == AF_INET) || 152 (laddr->ifa->address.sa.sa_family == AF_INET6)) { 153 cnt++; 154 } 155 } 156 } 157 return (cnt); 158} 159 160static int 161copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 162{ 163 struct sctp_ifn *sctp_ifn; 164 struct sctp_ifa *sctp_ifa; 165 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 166 int ipv4_addr_legal, ipv6_addr_legal; 167 struct sctp_vrf *vrf; 168 struct xsctp_laddr xladdr; 169 struct sctp_laddr *laddr; 170 int error; 171 172 /* Turn on all the appropriate scope */ 173 if (stcb) { 174 /* use association specific values */ 175 loopback_scope = stcb->asoc.loopback_scope; 176 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 177 local_scope = stcb->asoc.local_scope; 178 site_scope = stcb->asoc.site_scope; 179 } else { 180 /* use generic values for endpoints */ 181 loopback_scope = 1; 182 ipv4_local_scope = 1; 183 local_scope = 1; 184 site_scope = 1; 185 } 186 187 /* use only address families of interest */ 188 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 189 ipv6_addr_legal = 1; 190 if (SCTP_IPV6_V6ONLY(inp)) { 191 ipv4_addr_legal = 0; 192 } else { 193 ipv4_addr_legal = 1; 194 } 195 } else { 196 ipv4_addr_legal = 1; 197 ipv6_addr_legal = 0; 198 } 199 200 error = 0; 201 202 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 203 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 204 SCTP_INP_RUNLOCK(inp); 205 SCTP_INP_INFO_RUNLOCK(); 206 return (-1); 207 } 208 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 209 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 210 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 211 /* Skip loopback if loopback_scope not set */ 212 continue; 213 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 214 if (stcb) { 215 /* 216 * ignore if blacklisted at 217 * association level 218 */ 219 if (sctp_is_addr_restricted(stcb, sctp_ifa)) 220 continue; 221 } 222 switch (sctp_ifa->address.sa.sa_family) { 223 case AF_INET: 224 if (ipv4_addr_legal) { 225 struct sockaddr_in *sin; 226 227 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 228 if (sin->sin_addr.s_addr == 0) 229 continue; 230 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) 231 continue; 232 } else { 233 continue; 234 } 235 break; 236#ifdef INET6 237 case AF_INET6: 238 if (ipv6_addr_legal) { 239 struct sockaddr_in6 *sin6; 240 241 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 242 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) 243 continue; 244 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 245 if (local_scope == 0) 246 continue; 247 if (sin6->sin6_scope_id == 0) { 248 /* 249 * bad link 250 * local 251 * address 252 */ 253 if (sa6_recoverscope(sin6) != 0) 254 continue; 255 } 256 } 257 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 258 continue; 259 } else { 260 continue; 261 } 262 break; 263#endif 264 default: 265 continue; 266 } 267 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 268 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 269 SCTP_INP_RUNLOCK(inp); 270 SCTP_INP_INFO_RUNLOCK(); 271 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 272 if (error) { 273 return (error); 274 } else { 275 SCTP_INP_INFO_RLOCK(); 276 SCTP_INP_RLOCK(inp); 277 } 278 } 279 } 280 } else { 281 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 282 /* ignore if blacklisted at association level */ 283 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 284 continue; 285 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 286 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 287 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec; 288 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec; 289 SCTP_INP_RUNLOCK(inp); 290 SCTP_INP_INFO_RUNLOCK(); 291 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 292 if (error) { 293 return (error); 294 } else { 295 SCTP_INP_INFO_RLOCK(); 296 SCTP_INP_RLOCK(inp); 297 } 298 } 299 } 300 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 301 xladdr.last = 1; 302 SCTP_INP_RUNLOCK(inp); 303 SCTP_INP_INFO_RUNLOCK(); 304 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 305 306 if (error) { 307 return (error); 308 } else { 309 SCTP_INP_INFO_RLOCK(); 310 SCTP_INP_RLOCK(inp); 311 return (0); 312 } 313} 314 315/* 316 * sysctl functions 317 */ 318static int 319sctp_assoclist(SYSCTL_HANDLER_ARGS) 320{ 321 unsigned int number_of_endpoints; 322 unsigned int number_of_local_addresses; 323 unsigned int number_of_associations; 324 unsigned int number_of_remote_addresses; 325 unsigned int n; 326 int error; 327 struct sctp_inpcb *inp; 328 struct sctp_tcb *stcb; 329 struct sctp_nets *net; 330 struct xsctp_inpcb xinpcb; 331 struct xsctp_tcb xstcb; 332 struct xsctp_raddr xraddr; 333 334 number_of_endpoints = 0; 335 number_of_local_addresses = 0; 336 number_of_associations = 0; 337 number_of_remote_addresses = 0; 338 339 SCTP_INP_INFO_RLOCK(); 340 if (req->oldptr == USER_ADDR_NULL) { 341 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 342 SCTP_INP_RLOCK(inp); 343 number_of_endpoints++; 344 number_of_local_addresses += number_of_addresses(inp); 345 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 346 number_of_associations++; 347 number_of_local_addresses += number_of_addresses(inp); 348 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 349 number_of_remote_addresses++; 350 } 351 } 352 SCTP_INP_RUNLOCK(inp); 353 } 354 SCTP_INP_INFO_RUNLOCK(); 355 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 356 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 357 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 358 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 359 360 /* request some more memory than needed */ 361 req->oldidx = (n + n / 8); 362 return 0; 363 } 364 if (req->newptr != USER_ADDR_NULL) { 365 SCTP_INP_INFO_RUNLOCK(); 366 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 367 return EPERM; 368 } 369 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 370 SCTP_INP_RLOCK(inp); 371 xinpcb.last = 0; 372 xinpcb.local_port = ntohs(inp->sctp_lport); 373 xinpcb.flags = inp->sctp_flags; 374 xinpcb.features = inp->sctp_features; 375 xinpcb.total_sends = inp->total_sends; 376 xinpcb.total_recvs = inp->total_recvs; 377 xinpcb.total_nospaces = inp->total_nospaces; 378 xinpcb.fragmentation_point = inp->sctp_frag_point; 379 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 380 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 381 xinpcb.qlen = 0; 382 xinpcb.maxqlen = 0; 383 } else { 384 xinpcb.qlen = inp->sctp_socket->so_qlen; 385 xinpcb.maxqlen = inp->sctp_socket->so_qlimit; 386 } 387 SCTP_INP_INCR_REF(inp); 388 SCTP_INP_RUNLOCK(inp); 389 SCTP_INP_INFO_RUNLOCK(); 390 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 391 if (error) { 392 SCTP_INP_DECR_REF(inp); 393 return error; 394 } 395 SCTP_INP_INFO_RLOCK(); 396 SCTP_INP_RLOCK(inp); 397 error = copy_out_local_addresses(inp, NULL, req); 398 if (error) { 399 SCTP_INP_DECR_REF(inp); 400 return error; 401 } 402 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 403 SCTP_TCB_LOCK(stcb); 404 atomic_add_int(&stcb->asoc.refcnt, 1); 405 SCTP_TCB_UNLOCK(stcb); 406 xstcb.last = 0; 407 xstcb.local_port = ntohs(inp->sctp_lport); 408 xstcb.remote_port = ntohs(stcb->rport); 409 if (stcb->asoc.primary_destination != NULL) 410 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 411 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 412 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */ 413 /* 7.0 does not support these */ 414 xstcb.assoc_id = sctp_get_associd(stcb); 415 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 416 xstcb.in_streams = stcb->asoc.streamincnt; 417 xstcb.out_streams = stcb->asoc.streamoutcnt; 418 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 419 xstcb.primary_process = 0; /* not really supported 420 * yet */ 421 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 422 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 423 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 424 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec; 425 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec; 426 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec; 427 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec; 428 xstcb.total_sends = stcb->total_sends; 429 xstcb.total_recvs = stcb->total_recvs; 430 xstcb.local_tag = stcb->asoc.my_vtag; 431 xstcb.remote_tag = stcb->asoc.peer_vtag; 432 xstcb.initial_tsn = stcb->asoc.init_seq_number; 433 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 434 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 435 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 436 xstcb.mtu = stcb->asoc.smallest_mtu; 437 xstcb.refcnt = stcb->asoc.refcnt; 438 SCTP_INP_RUNLOCK(inp); 439 SCTP_INP_INFO_RUNLOCK(); 440 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 441 if (error) { 442 SCTP_INP_DECR_REF(inp); 443 atomic_subtract_int(&stcb->asoc.refcnt, 1); 444 return error; 445 } 446 SCTP_INP_INFO_RLOCK(); 447 SCTP_INP_RLOCK(inp); 448 error = copy_out_local_addresses(inp, stcb, req); 449 if (error) { 450 SCTP_INP_DECR_REF(inp); 451 atomic_subtract_int(&stcb->asoc.refcnt, 1); 452 return error; 453 } 454 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 455 xraddr.last = 0; 456 xraddr.address = net->ro._l_addr; 457 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 458 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 459 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 460 xraddr.rto = net->RTO; 461 xraddr.max_path_rtx = net->failure_threshold; 462 xraddr.rtx = net->marked_retrans; 463 xraddr.error_counter = net->error_count; 464 xraddr.cwnd = net->cwnd; 465 xraddr.flight_size = net->flight_size; 466 xraddr.mtu = net->mtu; 467 xraddr.rtt = net->rtt; 468 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec; 469 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec; 470 SCTP_INP_RUNLOCK(inp); 471 SCTP_INP_INFO_RUNLOCK(); 472 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 473 if (error) { 474 SCTP_INP_DECR_REF(inp); 475 atomic_subtract_int(&stcb->asoc.refcnt, 1); 476 return error; 477 } 478 SCTP_INP_INFO_RLOCK(); 479 SCTP_INP_RLOCK(inp); 480 } 481 atomic_subtract_int(&stcb->asoc.refcnt, 1); 482 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 483 xraddr.last = 1; 484 SCTP_INP_RUNLOCK(inp); 485 SCTP_INP_INFO_RUNLOCK(); 486 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 487 if (error) { 488 SCTP_INP_DECR_REF(inp); 489 return error; 490 } 491 SCTP_INP_INFO_RLOCK(); 492 SCTP_INP_RLOCK(inp); 493 } 494 SCTP_INP_DECR_REF(inp); 495 SCTP_INP_RUNLOCK(inp); 496 SCTP_INP_INFO_RUNLOCK(); 497 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 498 xstcb.last = 1; 499 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 500 if (error) { 501 return error; 502 } 503 SCTP_INP_INFO_RLOCK(); 504 } 505 SCTP_INP_INFO_RUNLOCK(); 506 507 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 508 xinpcb.last = 1; 509 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 510 return error; 511} 512 513 514#define RANGECHK(var, min, max) \ 515 if ((var) < (min)) { (var) = (min); } \ 516 else if ((var) > (max)) { (var) = (max); } 517 518static int 519sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS) 520{ 521 int error; 522 uint32_t old_sctp_udp_tunneling_port; 523 524 SCTP_INP_INFO_RLOCK(); 525 old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 526 SCTP_INP_INFO_RUNLOCK(); 527 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 528 if (error == 0) { 529 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX); 530 if (old_sctp_udp_tunneling_port == SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 531 error = 0; 532 goto out; 533 } 534 SCTP_INP_INFO_WLOCK(); 535 if (old_sctp_udp_tunneling_port) { 536 sctp_over_udp_stop(); 537 } 538 if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 539 if (sctp_over_udp_start()) { 540 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0; 541 } 542 } 543 SCTP_INP_INFO_WUNLOCK(); 544 } 545out: 546 return (error); 547} 548 549 550static int 551sysctl_sctp_check(SYSCTL_HANDLER_ARGS) 552{ 553 int error; 554 555 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 556 if (error == 0) { 557 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX); 558 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX); 559#if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF) 560 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); 561#endif 562 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX); 563 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_nonce), SCTPCTL_ECN_NONCE_MIN, SCTPCTL_ECN_NONCE_MAX); 564 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX); 565 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX); 566 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_init), SCTPCTL_STRICT_INIT_MIN, SCTPCTL_STRICT_INIT_MAX); 567 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX); 568 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX); 569 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX); 570 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX); 571 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX); 572 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX); 573 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX); 574 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX); 575 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX); 576 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX); 577 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX); 578 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX); 579 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX); 580 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX); 581 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX); 582 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX); 583 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX); 584 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX); 585 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX); 586 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX); 587 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX); 588 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX); 589 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX); 590 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX); 591 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX); 592 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX); 593 /* EY */ 594 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), SCTPCTL_NR_SACK_ON_OFF_MIN, SCTPCTL_NR_SACK_ON_OFF_MAX); 595 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX); 596 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_pf), SCTPCTL_CMT_PF_MIN, SCTPCTL_CMT_PF_MAX); 597 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX); 598 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr), SCTPCTL_EARLY_FAST_RETRAN_MIN, SCTPCTL_EARLY_FAST_RETRAN_MAX); 599 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr_msec), SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN, SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX); 600 RANGECHK(SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), SCTPCTL_ASCONF_AUTH_NOCHK_MIN, SCTPCTL_ASCONF_AUTH_NOCHK_MAX); 601 RANGECHK(SCTP_BASE_SYSCTL(sctp_auth_disable), SCTPCTL_AUTH_DISABLE_MIN, SCTPCTL_AUTH_DISABLE_MAX); 602 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 603 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX); 604 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX); 605 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX); 606 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX); 607 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX); 608 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX); 609 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX); 610 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX); 611 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX); 612 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX); 613 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX); 614 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX); 615 616#if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE) 617 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX); 618#endif 619#if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 620 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX); 621#endif 622 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN, SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX); 623 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX); 624 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX); 625 626#ifdef SCTP_DEBUG 627 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX); 628#endif 629#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 630 RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX); 631#endif 632 } 633 return (error); 634} 635 636 637 638#if defined(SCTP_LOCAL_TRACE_BUF) 639static int 640sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS) 641{ 642 int error = 0; 643 644 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 645 return (error); 646} 647 648#endif 649 650 651/* 652 * sysctl definitions 653 */ 654 655SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_INT | CTLFLAG_RW, 656 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU", 657 SCTPCTL_MAXDGRAM_DESC); 658 659SYSCTL_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_INT | CTLFLAG_RW, 660 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU", 661 SCTPCTL_RECVSPACE_DESC); 662 663#if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF) 664SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_INT | CTLFLAG_RW, 665 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU", 666 SCTPCTL_AUTOASCONF_DESC); 667#endif 668 669SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_INT | CTLFLAG_RW, 670 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU", 671 SCTPCTL_ECN_ENABLE_DESC); 672 673SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_nonce, CTLTYPE_INT | CTLFLAG_RW, 674 &SCTP_BASE_SYSCTL(sctp_ecn_nonce), 0, sysctl_sctp_check, "IU", 675 SCTPCTL_ECN_NONCE_DESC); 676 677SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_INT | CTLFLAG_RW, 678 &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU", 679 SCTPCTL_STRICT_SACKS_DESC); 680 681SYSCTL_PROC(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLTYPE_INT | CTLFLAG_RW, 682 &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sysctl_sctp_check, "IU", 683 SCTPCTL_LOOPBACK_NOCSUM_DESC); 684 685SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_init, CTLTYPE_INT | CTLFLAG_RW, 686 &SCTP_BASE_SYSCTL(sctp_strict_init), 0, sysctl_sctp_check, "IU", 687 SCTPCTL_STRICT_INIT_DESC); 688 689SYSCTL_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_INT | CTLFLAG_RW, 690 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU", 691 SCTPCTL_PEER_CHKOH_DESC); 692 693SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_INT | CTLFLAG_RW, 694 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU", 695 SCTPCTL_MAXBURST_DESC); 696 697SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_INT | CTLFLAG_RW, 698 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU", 699 SCTPCTL_MAXCHUNKS_DESC); 700 701SYSCTL_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_INT | CTLFLAG_RW, 702 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU", 703 SCTPCTL_TCBHASHSIZE_DESC); 704 705SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_INT | CTLFLAG_RW, 706 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU", 707 SCTPCTL_PCBHASHSIZE_DESC); 708 709SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_INT | CTLFLAG_RW, 710 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU", 711 SCTPCTL_MIN_SPLIT_POINT_DESC); 712 713SYSCTL_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_INT | CTLFLAG_RW, 714 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU", 715 SCTPCTL_CHUNKSCALE_DESC); 716 717SYSCTL_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_INT | CTLFLAG_RW, 718 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU", 719 SCTPCTL_DELAYED_SACK_TIME_DESC); 720 721SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_INT | CTLFLAG_RW, 722 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU", 723 SCTPCTL_SACK_FREQ_DESC); 724 725SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_INT | CTLFLAG_RW, 726 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU", 727 SCTPCTL_SYS_RESOURCE_DESC); 728 729SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_INT | CTLFLAG_RW, 730 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU", 731 SCTPCTL_ASOC_RESOURCE_DESC); 732 733SYSCTL_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_INT | CTLFLAG_RW, 734 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU", 735 SCTPCTL_HEARTBEAT_INTERVAL_DESC); 736 737SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_INT | CTLFLAG_RW, 738 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU", 739 SCTPCTL_PMTU_RAISE_TIME_DESC); 740 741SYSCTL_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_INT | CTLFLAG_RW, 742 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU", 743 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC); 744 745SYSCTL_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_INT | CTLFLAG_RW, 746 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU", 747 SCTPCTL_SECRET_LIFETIME_DESC); 748 749SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_INT | CTLFLAG_RW, 750 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU", 751 SCTPCTL_RTO_MAX_DESC); 752 753SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_INT | CTLFLAG_RW, 754 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU", 755 SCTPCTL_RTO_MIN_DESC); 756 757SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_INT | CTLFLAG_RW, 758 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU", 759 SCTPCTL_RTO_INITIAL_DESC); 760 761SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_INT | CTLFLAG_RW, 762 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU", 763 SCTPCTL_INIT_RTO_MAX_DESC); 764 765SYSCTL_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_INT | CTLFLAG_RW, 766 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU", 767 SCTPCTL_VALID_COOKIE_LIFE_DESC); 768 769SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 770 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU", 771 SCTPCTL_INIT_RTX_MAX_DESC); 772 773SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 774 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU", 775 SCTPCTL_ASSOC_RTX_MAX_DESC); 776 777SYSCTL_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 778 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU", 779 SCTPCTL_PATH_RTX_MAX_DESC); 780 781SYSCTL_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_INT | CTLFLAG_RW, 782 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU", 783 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC); 784 785SYSCTL_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_INT | CTLFLAG_RW, 786 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU", 787 SCTPCTL_OUTGOING_STREAMS_DESC); 788 789SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_INT | CTLFLAG_RW, 790 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU", 791 SCTPCTL_CMT_ON_OFF_DESC); 792 793/* EY */ 794SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nr_sack_on_off, CTLTYPE_INT | CTLFLAG_RW, 795 &SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), 0, sysctl_sctp_check, "IU", 796 SCTPCTL_NR_SACK_ON_OFF_DESC); 797 798SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_INT | CTLFLAG_RW, 799 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU", 800 SCTPCTL_CMT_USE_DAC_DESC); 801 802SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_pf, CTLTYPE_INT | CTLFLAG_RW, 803 &SCTP_BASE_SYSCTL(sctp_cmt_pf), 0, sysctl_sctp_check, "IU", 804 SCTPCTL_CMT_PF_DESC); 805 806SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_INT | CTLFLAG_RW, 807 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU", 808 SCTPCTL_CWND_MAXBURST_DESC); 809 810SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran, CTLTYPE_INT | CTLFLAG_RW, 811 &SCTP_BASE_SYSCTL(sctp_early_fr), 0, sysctl_sctp_check, "IU", 812 SCTPCTL_EARLY_FAST_RETRAN_DESC); 813 814SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran_msec, CTLTYPE_INT | CTLFLAG_RW, 815 &SCTP_BASE_SYSCTL(sctp_early_fr_msec), 0, sysctl_sctp_check, "IU", 816 SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC); 817 818SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLTYPE_INT | CTLFLAG_RW, 819 &SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), 0, sysctl_sctp_check, "IU", 820 SCTPCTL_ASCONF_AUTH_NOCHK_DESC); 821 822SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_INT | CTLFLAG_RW, 823 &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check, "IU", 824 SCTPCTL_AUTH_DISABLE_DESC); 825 826SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_INT | CTLFLAG_RW, 827 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU", 828 SCTPCTL_NAT_FRIENDLY_DESC); 829 830SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_INT | CTLFLAG_RW, 831 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU", 832 SCTPCTL_ABC_L_VAR_DESC); 833 834SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_INT | CTLFLAG_RW, 835 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU", 836 SCTPCTL_MAX_CHAINED_MBUFS_DESC); 837 838SYSCTL_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_INT | CTLFLAG_RW, 839 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU", 840 SCTPCTL_DO_SCTP_DRAIN_DESC); 841 842SYSCTL_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_INT | CTLFLAG_RW, 843 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU", 844 SCTPCTL_HB_MAX_BURST_DESC); 845 846SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_INT | CTLFLAG_RW, 847 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU", 848 SCTPCTL_ABORT_AT_LIMIT_DESC); 849 850SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_INT | CTLFLAG_RW, 851 &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU", 852 SCTPCTL_STRICT_DATA_ORDER_DESC); 853 854SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_INT | CTLFLAG_RW, 855 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU", 856 SCTPCTL_MIN_RESIDUAL_DESC); 857 858SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_INT | CTLFLAG_RW, 859 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU", 860 SCTPCTL_MAX_RETRAN_CHUNK_DESC); 861 862SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_INT | CTLFLAG_RW, 863 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU", 864 SCTPCTL_LOGGING_LEVEL_DESC); 865 866SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_INT | CTLFLAG_RW, 867 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU", 868 SCTPCTL_DEFAULT_CC_MODULE_DESC); 869 870SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_INT | CTLFLAG_RW, 871 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU", 872 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC); 873 874#if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE) 875SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_INT | CTLFLAG_RW, 876 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU", 877 SCTPCTL_MOBILITY_BASE_DESC); 878#endif 879 880#if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 881SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_INT | CTLFLAG_RW, 882 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU", 883 SCTPCTL_MOBILITY_FASTHANDOFF_DESC); 884#endif 885 886#if defined(SCTP_LOCAL_TRACE_BUF) 887SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD, 888 &SCTP_BASE_SYSCTL(sctp_log), sctp_log, 889 "SCTP logging (struct sctp_log)"); 890 891SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_OPAQUE | CTLFLAG_RW, 892 &SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU", 893 "Clear SCTP Logging buffer"); 894 895 896 897#endif 898 899SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_for_client_enable, CTLTYPE_INT | CTLFLAG_RW, 900 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), 0, sysctl_sctp_check, "IU", 901 SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC); 902 903SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_INT | CTLFLAG_RW, 904 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU", 905 SCTPCTL_UDP_TUNNELING_PORT_DESC); 906 907SYSCTL_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_INT | CTLFLAG_RW, 908 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU", 909 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC); 910 911SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly_init, CTLTYPE_INT | CTLFLAG_RW, 912 &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sysctl_sctp_check, "IU", 913 SCTPCTL_NAT_FRIENDLY_INITS_DESC); 914 915SYSCTL_PROC(_net_inet_sctp, OID_AUTO, vtag_time_wait, CTLTYPE_INT | CTLFLAG_RW, 916 &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sysctl_sctp_check, "IU", 917 SCTPCTL_TIME_WAIT_DESC); 918 919#ifdef SCTP_DEBUG 920SYSCTL_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_INT | CTLFLAG_RW, 921 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU", 922 SCTPCTL_DEBUG_DESC); 923#endif /* SCTP_DEBUG */ 924 925 926#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 927SYSCTL_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_INT | CTLFLAG_RW, 928 &SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU", 929 SCTPCTL_OUTPUT_UNLOCKED_DESC); 930#endif 931 932SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW, 933 &SCTP_BASE_STATS, sctpstat, 934 "SCTP statistics (struct sctp_stat)"); 935 936SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_RD, 937 0, 0, sctp_assoclist, 938 "S,xassoc", "List of active SCTP associations"); 939