Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/netinet/sctp_sysctl.c
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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 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 85 SCTP_BASE_SYSCTL(sctp_cmt_pf) = SCTPCTL_CMT_PF_DEFAULT; 86 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 87 SCTP_BASE_SYSCTL(sctp_early_fr) = SCTPCTL_EARLY_FAST_RETRAN_DEFAULT; 88 SCTP_BASE_SYSCTL(sctp_early_fr_msec) = SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT; 89 SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk) = SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT; 90 SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_DEFAULT; 91 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 92 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 93 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 94 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 95 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 96 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 97 SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT; 98 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 99 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 100 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 101 /* JRS - Variable for default congestion control module */ 102 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 103 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 104 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 105 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 106 #if defined(SCTP_LOCAL_TRACE_BUF) 107 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 108 #endif 109 SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable) = SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT; 110 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 111 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 112 #if defined(SCTP_DEBUG) 113 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 114 #endif 115 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 116 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 117 #endif 118 } 119 120 /* It returns an upper limit. No filtering is done here */ 121 static unsigned int 122 number_of_addresses(struct sctp_inpcb *inp) 123 { 124 int cnt; 125 struct sctp_vrf *vrf; 126 struct sctp_ifn *sctp_ifn; 127 struct sctp_ifa *sctp_ifa; 128 struct sctp_laddr *laddr; 129 130 cnt = 0; 131 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 132 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 133 return (0); 134 } 135 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 136 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 137 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 138 if ((sctp_ifa->address.sa.sa_family == AF_INET) || 139 (sctp_ifa->address.sa.sa_family == AF_INET6)) { 140 cnt++; 141 } 142 } 143 } 144 } else { 145 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 146 if ((laddr->ifa->address.sa.sa_family == AF_INET) || 147 (laddr->ifa->address.sa.sa_family == AF_INET6)) { 148 cnt++; 149 } 150 } 151 } 152 return (cnt); 153 } 154 155 static int 156 copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 157 { 158 struct sctp_ifn *sctp_ifn; 159 struct sctp_ifa *sctp_ifa; 160 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 161 int ipv4_addr_legal, ipv6_addr_legal; 162 struct sctp_vrf *vrf; 163 struct xsctp_laddr xladdr; 164 struct sctp_laddr *laddr; 165 int error; 166 167 /* Turn on all the appropriate scope */ 168 if (stcb) { 169 /* use association specific values */ 170 loopback_scope = stcb->asoc.loopback_scope; 171 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 172 local_scope = stcb->asoc.local_scope; 173 site_scope = stcb->asoc.site_scope; 174 } else { 175 /* use generic values for endpoints */ 176 loopback_scope = 1; 177 ipv4_local_scope = 1; 178 local_scope = 1; 179 site_scope = 1; 180 } 181 182 /* use only address families of interest */ 183 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 184 ipv6_addr_legal = 1; 185 if (SCTP_IPV6_V6ONLY(inp)) { 186 ipv4_addr_legal = 0; 187 } else { 188 ipv4_addr_legal = 1; 189 } 190 } else { 191 ipv4_addr_legal = 1; 192 ipv6_addr_legal = 0; 193 } 194 195 error = 0; 196 197 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 198 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 199 SCTP_INP_RUNLOCK(inp); 200 SCTP_INP_INFO_RUNLOCK(); 201 return (-1); 202 } 203 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 204 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 205 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 206 /* Skip loopback if loopback_scope not set */ 207 continue; 208 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 209 if (stcb) { 210 /* 211 * ignore if blacklisted at 212 * association level 213 */ 214 if (sctp_is_addr_restricted(stcb, sctp_ifa)) 215 continue; 216 } 217 switch (sctp_ifa->address.sa.sa_family) { 218 case AF_INET: 219 if (ipv4_addr_legal) { 220 struct sockaddr_in *sin; 221 222 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 223 if (sin->sin_addr.s_addr == 0) 224 continue; 225 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) 226 continue; 227 } else { 228 continue; 229 } 230 break; 231 #ifdef INET6 232 case AF_INET6: 233 if (ipv6_addr_legal) { 234 struct sockaddr_in6 *sin6; 235 236 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 237 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) 238 continue; 239 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 240 if (local_scope == 0) 241 continue; 242 if (sin6->sin6_scope_id == 0) { 243 /* 244 * bad link 245 * local 246 * address 247 */ 248 if (sa6_recoverscope(sin6) != 0) 249 continue; 250 } 251 } 252 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 253 continue; 254 } else { 255 continue; 256 } 257 break; 258 #endif 259 default: 260 continue; 261 } 262 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 263 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 264 SCTP_INP_RUNLOCK(inp); 265 SCTP_INP_INFO_RUNLOCK(); 266 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 267 if (error) { 268 return (error); 269 } else { 270 SCTP_INP_INFO_RLOCK(); 271 SCTP_INP_RLOCK(inp); 272 } 273 } 274 } 275 } else { 276 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 277 /* ignore if blacklisted at association level */ 278 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 279 continue; 280 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 281 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 282 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec; 283 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec; 284 SCTP_INP_RUNLOCK(inp); 285 SCTP_INP_INFO_RUNLOCK(); 286 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 287 if (error) { 288 return (error); 289 } else { 290 SCTP_INP_INFO_RLOCK(); 291 SCTP_INP_RLOCK(inp); 292 } 293 } 294 } 295 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 296 xladdr.last = 1; 297 SCTP_INP_RUNLOCK(inp); 298 SCTP_INP_INFO_RUNLOCK(); 299 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 300 301 if (error) { 302 return (error); 303 } else { 304 SCTP_INP_INFO_RLOCK(); 305 SCTP_INP_RLOCK(inp); 306 return (0); 307 } 308 } 309 310 /* 311 * sysctl functions 312 */ 313 static int 314 sctp_assoclist(SYSCTL_HANDLER_ARGS) 315 { 316 unsigned int number_of_endpoints; 317 unsigned int number_of_local_addresses; 318 unsigned int number_of_associations; 319 unsigned int number_of_remote_addresses; 320 unsigned int n; 321 int error; 322 struct sctp_inpcb *inp; 323 struct sctp_tcb *stcb; 324 struct sctp_nets *net; 325 struct xsctp_inpcb xinpcb; 326 struct xsctp_tcb xstcb; 327 struct xsctp_raddr xraddr; 328 329 number_of_endpoints = 0; 330 number_of_local_addresses = 0; 331 number_of_associations = 0; 332 number_of_remote_addresses = 0; 333 334 SCTP_INP_INFO_RLOCK(); 335 if (req->oldptr == USER_ADDR_NULL) { 336 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 337 SCTP_INP_RLOCK(inp); 338 number_of_endpoints++; 339 number_of_local_addresses += number_of_addresses(inp); 340 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 341 number_of_associations++; 342 number_of_local_addresses += number_of_addresses(inp); 343 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 344 number_of_remote_addresses++; 345 } 346 } 347 SCTP_INP_RUNLOCK(inp); 348 } 349 SCTP_INP_INFO_RUNLOCK(); 350 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 351 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 352 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 353 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 354 355 /* request some more memory than needed */ 356 req->oldidx = (n + n / 8); 357 return 0; 358 } 359 if (req->newptr != USER_ADDR_NULL) { 360 SCTP_INP_INFO_RUNLOCK(); 361 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 362 return EPERM; 363 } 364 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 365 SCTP_INP_RLOCK(inp); 366 xinpcb.last = 0; 367 xinpcb.local_port = ntohs(inp->sctp_lport); 368 xinpcb.flags = inp->sctp_flags; 369 xinpcb.features = inp->sctp_features; 370 xinpcb.total_sends = inp->total_sends; 371 xinpcb.total_recvs = inp->total_recvs; 372 xinpcb.total_nospaces = inp->total_nospaces; 373 xinpcb.fragmentation_point = inp->sctp_frag_point; 374 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 375 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 376 xinpcb.qlen = 0; 377 xinpcb.maxqlen = 0; 378 } else { 379 xinpcb.qlen = inp->sctp_socket->so_qlen; 380 xinpcb.maxqlen = inp->sctp_socket->so_qlimit; 381 } 382 SCTP_INP_INCR_REF(inp); 383 SCTP_INP_RUNLOCK(inp); 384 SCTP_INP_INFO_RUNLOCK(); 385 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 386 if (error) { 387 SCTP_INP_DECR_REF(inp); 388 return error; 389 } 390 SCTP_INP_INFO_RLOCK(); 391 SCTP_INP_RLOCK(inp); 392 error = copy_out_local_addresses(inp, NULL, req); 393 if (error) { 394 SCTP_INP_DECR_REF(inp); 395 return error; 396 } 397 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 398 SCTP_TCB_LOCK(stcb); 399 atomic_add_int(&stcb->asoc.refcnt, 1); 400 SCTP_TCB_UNLOCK(stcb); 401 xstcb.last = 0; 402 xstcb.local_port = ntohs(inp->sctp_lport); 403 xstcb.remote_port = ntohs(stcb->rport); 404 if (stcb->asoc.primary_destination != NULL) 405 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 406 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 407 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */ 408 xstcb.in_streams = stcb->asoc.streamincnt; 409 xstcb.out_streams = stcb->asoc.streamoutcnt; 410 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 411 xstcb.primary_process = 0; /* not really supported 412 * yet */ 413 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 414 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 415 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 416 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec; 417 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec; 418 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec; 419 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec; 420 xstcb.total_sends = stcb->total_sends; 421 xstcb.total_recvs = stcb->total_recvs; 422 xstcb.local_tag = stcb->asoc.my_vtag; 423 xstcb.remote_tag = stcb->asoc.peer_vtag; 424 xstcb.initial_tsn = stcb->asoc.init_seq_number; 425 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 426 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 427 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 428 xstcb.mtu = stcb->asoc.smallest_mtu; 429 xstcb.refcnt = stcb->asoc.refcnt; 430 SCTP_INP_RUNLOCK(inp); 431 SCTP_INP_INFO_RUNLOCK(); 432 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 433 if (error) { 434 SCTP_INP_DECR_REF(inp); 435 atomic_subtract_int(&stcb->asoc.refcnt, 1); 436 return error; 437 } 438 SCTP_INP_INFO_RLOCK(); 439 SCTP_INP_RLOCK(inp); 440 error = copy_out_local_addresses(inp, stcb, req); 441 if (error) { 442 SCTP_INP_DECR_REF(inp); 443 atomic_subtract_int(&stcb->asoc.refcnt, 1); 444 return error; 445 } 446 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 447 xraddr.last = 0; 448 xraddr.address = net->ro._l_addr; 449 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 450 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 451 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 452 xraddr.rto = net->RTO; 453 xraddr.max_path_rtx = net->failure_threshold; 454 xraddr.rtx = net->marked_retrans; 455 xraddr.error_counter = net->error_count; 456 xraddr.cwnd = net->cwnd; 457 xraddr.flight_size = net->flight_size; 458 xraddr.mtu = net->mtu; 459 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec; 460 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec; 461 SCTP_INP_RUNLOCK(inp); 462 SCTP_INP_INFO_RUNLOCK(); 463 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 464 if (error) { 465 SCTP_INP_DECR_REF(inp); 466 atomic_subtract_int(&stcb->asoc.refcnt, 1); 467 return error; 468 } 469 SCTP_INP_INFO_RLOCK(); 470 SCTP_INP_RLOCK(inp); 471 } 472 atomic_subtract_int(&stcb->asoc.refcnt, 1); 473 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 474 xraddr.last = 1; 475 SCTP_INP_RUNLOCK(inp); 476 SCTP_INP_INFO_RUNLOCK(); 477 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 478 if (error) { 479 SCTP_INP_DECR_REF(inp); 480 return error; 481 } 482 SCTP_INP_INFO_RLOCK(); 483 SCTP_INP_RLOCK(inp); 484 } 485 SCTP_INP_DECR_REF(inp); 486 SCTP_INP_RUNLOCK(inp); 487 SCTP_INP_INFO_RUNLOCK(); 488 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 489 xstcb.last = 1; 490 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 491 if (error) { 492 return error; 493 } 494 SCTP_INP_INFO_RLOCK(); 495 } 496 SCTP_INP_INFO_RUNLOCK(); 497 498 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 499 xinpcb.last = 1; 500 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 501 return error; 502 } 503 504 505 506 #define RANGECHK(var, min, max) \ 507 if ((var) < (min)) { (var) = (min); } \ 508 else if ((var) > (max)) { (var) = (max); } 509 510 static int 511 sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS) 512 { 513 int error; 514 uint32_t old_sctp_udp_tunneling_port; 515 516 old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 517 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 518 if (error == 0) { 519 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX); 520 if (old_sctp_udp_tunneling_port) { 521 sctp_over_udp_stop(); 522 } 523 if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 524 if (sctp_over_udp_start()) { 525 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0; 526 } 527 } 528 } 529 return (error); 530 } 531 532 533 static int 534 sysctl_sctp_check(SYSCTL_HANDLER_ARGS) 535 { 536 int error; 537 538 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 539 if (error == 0) { 540 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX); 541 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX); 542 #if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF) 543 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); 544 #endif 545 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX); 546 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_nonce), SCTPCTL_ECN_NONCE_MIN, SCTPCTL_ECN_NONCE_MAX); 547 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX); 548 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX); 549 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_init), SCTPCTL_STRICT_INIT_MIN, SCTPCTL_STRICT_INIT_MAX); 550 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX); 551 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX); 552 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX); 553 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX); 554 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX); 555 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX); 556 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX); 557 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX); 558 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX); 559 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX); 560 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX); 561 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX); 562 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX); 563 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX); 564 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX); 565 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX); 566 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX); 567 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX); 568 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX); 569 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX); 570 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX); 571 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX); 572 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX); 573 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX); 574 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX); 575 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX); 576 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX); 577 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_pf), SCTPCTL_CMT_PF_MIN, SCTPCTL_CMT_PF_MAX); 578 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX); 579 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr), SCTPCTL_EARLY_FAST_RETRAN_MIN, SCTPCTL_EARLY_FAST_RETRAN_MAX); 580 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr_msec), SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN, SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX); 581 RANGECHK(SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), SCTPCTL_ASCONF_AUTH_NOCHK_MIN, SCTPCTL_ASCONF_AUTH_NOCHK_MAX); 582 RANGECHK(SCTP_BASE_SYSCTL(sctp_auth_disable), SCTPCTL_AUTH_DISABLE_MIN, SCTPCTL_AUTH_DISABLE_MAX); 583 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 584 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX); 585 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX); 586 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX); 587 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX); 588 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX); 589 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX); 590 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX); 591 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX); 592 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX); 593 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX); 594 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX); 595 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE) 596 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX); 597 #endif 598 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 599 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX); 600 #endif 601 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN, SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX); 602 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX); 603 #ifdef SCTP_DEBUG 604 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX); 605 #endif 606 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 607 RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX); 608 #endif 609 } 610 return (error); 611 } 612 613 614 615 #if defined(SCTP_LOCAL_TRACE_BUF) 616 static int 617 sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS) 618 { 619 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 620 return (0); 621 } 622 623 #endif 624 625 626 627 /* 628 * sysctl definitions 629 */ 630 631 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_INT | CTLFLAG_RW, 632 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU", 633 SCTPCTL_MAXDGRAM_DESC); 634 635 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_INT | CTLFLAG_RW, 636 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU", 637 SCTPCTL_RECVSPACE_DESC); 638 639 #if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF) 640 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_INT | CTLFLAG_RW, 641 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU", 642 SCTPCTL_AUTOASCONF_DESC); 643 #endif 644 645 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_INT | CTLFLAG_RW, 646 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU", 647 SCTPCTL_ECN_ENABLE_DESC); 648 649 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_nonce, CTLTYPE_INT | CTLFLAG_RW, 650 &SCTP_BASE_SYSCTL(sctp_ecn_nonce), 0, sysctl_sctp_check, "IU", 651 SCTPCTL_ECN_NONCE_DESC); 652 653 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_INT | CTLFLAG_RW, 654 &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU", 655 SCTPCTL_STRICT_SACKS_DESC); 656 657 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLTYPE_INT | CTLFLAG_RW, 658 &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sysctl_sctp_check, "IU", 659 SCTPCTL_LOOPBACK_NOCSUM_DESC); 660 661 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_init, CTLTYPE_INT | CTLFLAG_RW, 662 &SCTP_BASE_SYSCTL(sctp_strict_init), 0, sysctl_sctp_check, "IU", 663 SCTPCTL_STRICT_INIT_DESC); 664 665 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_INT | CTLFLAG_RW, 666 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU", 667 SCTPCTL_PEER_CHKOH_DESC); 668 669 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_INT | CTLFLAG_RW, 670 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU", 671 SCTPCTL_MAXBURST_DESC); 672 673 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_INT | CTLFLAG_RW, 674 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU", 675 SCTPCTL_MAXCHUNKS_DESC); 676 677 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_INT | CTLFLAG_RW, 678 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU", 679 SCTPCTL_TCBHASHSIZE_DESC); 680 681 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_INT | CTLFLAG_RW, 682 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU", 683 SCTPCTL_PCBHASHSIZE_DESC); 684 685 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_INT | CTLFLAG_RW, 686 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU", 687 SCTPCTL_MIN_SPLIT_POINT_DESC); 688 689 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_INT | CTLFLAG_RW, 690 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU", 691 SCTPCTL_CHUNKSCALE_DESC); 692 693 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_INT | CTLFLAG_RW, 694 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU", 695 SCTPCTL_DELAYED_SACK_TIME_DESC); 696 697 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_INT | CTLFLAG_RW, 698 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU", 699 SCTPCTL_SACK_FREQ_DESC); 700 701 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_INT | CTLFLAG_RW, 702 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU", 703 SCTPCTL_SYS_RESOURCE_DESC); 704 705 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_INT | CTLFLAG_RW, 706 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU", 707 SCTPCTL_ASOC_RESOURCE_DESC); 708 709 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_INT | CTLFLAG_RW, 710 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU", 711 SCTPCTL_HEARTBEAT_INTERVAL_DESC); 712 713 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_INT | CTLFLAG_RW, 714 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU", 715 SCTPCTL_PMTU_RAISE_TIME_DESC); 716 717 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_INT | CTLFLAG_RW, 718 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU", 719 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC); 720 721 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_INT | CTLFLAG_RW, 722 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU", 723 SCTPCTL_SECRET_LIFETIME_DESC); 724 725 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_INT | CTLFLAG_RW, 726 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU", 727 SCTPCTL_RTO_MAX_DESC); 728 729 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_INT | CTLFLAG_RW, 730 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU", 731 SCTPCTL_RTO_MIN_DESC); 732 733 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_INT | CTLFLAG_RW, 734 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU", 735 SCTPCTL_RTO_INITIAL_DESC); 736 737 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_INT | CTLFLAG_RW, 738 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU", 739 SCTPCTL_INIT_RTO_MAX_DESC); 740 741 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_INT | CTLFLAG_RW, 742 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU", 743 SCTPCTL_VALID_COOKIE_LIFE_DESC); 744 745 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 746 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU", 747 SCTPCTL_INIT_RTX_MAX_DESC); 748 749 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 750 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU", 751 SCTPCTL_ASSOC_RTX_MAX_DESC); 752 753 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 754 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU", 755 SCTPCTL_PATH_RTX_MAX_DESC); 756 757 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_INT | CTLFLAG_RW, 758 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU", 759 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC); 760 761 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_INT | CTLFLAG_RW, 762 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU", 763 SCTPCTL_OUTGOING_STREAMS_DESC); 764 765 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_INT | CTLFLAG_RW, 766 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU", 767 SCTPCTL_CMT_ON_OFF_DESC); 768 769 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_INT | CTLFLAG_RW, 770 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU", 771 SCTPCTL_CMT_USE_DAC_DESC); 772 773 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_pf, CTLTYPE_INT | CTLFLAG_RW, 774 &SCTP_BASE_SYSCTL(sctp_cmt_pf), 0, sysctl_sctp_check, "IU", 775 SCTPCTL_CMT_PF_DESC); 776 777 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_INT | CTLFLAG_RW, 778 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU", 779 SCTPCTL_CWND_MAXBURST_DESC); 780 781 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran, CTLTYPE_INT | CTLFLAG_RW, 782 &SCTP_BASE_SYSCTL(sctp_early_fr), 0, sysctl_sctp_check, "IU", 783 SCTPCTL_EARLY_FAST_RETRAN_DESC); 784 785 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran_msec, CTLTYPE_INT | CTLFLAG_RW, 786 &SCTP_BASE_SYSCTL(sctp_early_fr_msec), 0, sysctl_sctp_check, "IU", 787 SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC); 788 789 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLTYPE_INT | CTLFLAG_RW, 790 &SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), 0, sysctl_sctp_check, "IU", 791 SCTPCTL_ASCONF_AUTH_NOCHK_DESC); 792 793 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_INT | CTLFLAG_RW, 794 &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check, "IU", 795 SCTPCTL_AUTH_DISABLE_DESC); 796 797 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_INT | CTLFLAG_RW, 798 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU", 799 SCTPCTL_NAT_FRIENDLY_DESC); 800 801 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_INT | CTLFLAG_RW, 802 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU", 803 SCTPCTL_ABC_L_VAR_DESC); 804 805 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_INT | CTLFLAG_RW, 806 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU", 807 SCTPCTL_MAX_CHAINED_MBUFS_DESC); 808 809 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_INT | CTLFLAG_RW, 810 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU", 811 SCTPCTL_DO_SCTP_DRAIN_DESC); 812 813 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_INT | CTLFLAG_RW, 814 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU", 815 SCTPCTL_HB_MAX_BURST_DESC); 816 817 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_INT | CTLFLAG_RW, 818 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU", 819 SCTPCTL_ABORT_AT_LIMIT_DESC); 820 821 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_INT | CTLFLAG_RW, 822 &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU", 823 SCTPCTL_STRICT_DATA_ORDER_DESC); 824 825 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_INT | CTLFLAG_RW, 826 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU", 827 SCTPCTL_MIN_RESIDUAL_DESC); 828 829 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_INT | CTLFLAG_RW, 830 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU", 831 SCTPCTL_MAX_RETRAN_CHUNK_DESC); 832 833 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_INT | CTLFLAG_RW, 834 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU", 835 SCTPCTL_LOGGING_LEVEL_DESC); 836 837 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_INT | CTLFLAG_RW, 838 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU", 839 SCTPCTL_DEFAULT_CC_MODULE_DESC); 840 841 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_INT | CTLFLAG_RW, 842 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU", 843 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC); 844 845 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE) 846 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_INT | CTLFLAG_RW, 847 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU", 848 SCTPCTL_MOBILITY_BASE_DESC); 849 #endif 850 851 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 852 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_INT | CTLFLAG_RW, 853 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU", 854 SCTPCTL_MOBILITY_FASTHANDOFF_DESC); 855 #endif 856 857 #if defined(SCTP_LOCAL_TRACE_BUF) 858 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD, 859 &SCTP_BASE_SYSCTL(sctp_log), sctp_log, 860 "SCTP logging (struct sctp_log)"); 861 862 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_OPAQUE | CTLFLAG_RW, 863 &SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU", 864 "Clear SCTP Logging buffer"); 865 866 867 868 #endif 869 870 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_for_client_enable, CTLTYPE_INT | CTLFLAG_RW, 871 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), 0, sysctl_sctp_check, "IU", 872 SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC); 873 874 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_INT | CTLFLAG_RW, 875 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU", 876 SCTPCTL_UDP_TUNNELING_PORT_DESC); 877 878 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_INT | CTLFLAG_RW, 879 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU", 880 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC); 881 882 #ifdef SCTP_DEBUG 883 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_INT | CTLFLAG_RW, 884 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU", 885 SCTPCTL_DEBUG_DESC); 886 #endif /* SCTP_DEBUG */ 887 888 889 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 890 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_INT | CTLFLAG_RW, 891 &SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU", 892 SCTPCTL_OUTPUT_UNLOCKED_DESC); 893 #endif 894 895 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW, 896 &SCTP_BASE_STATS, sctpstat, 897 "SCTP statistics (struct sctp_stat)"); 898 899 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_RD, 900 0, 0, sctp_assoclist, 901 "S,xassoc", "List of active SCTP associations");
Cache object: dec3e324ac25f98451750b75092c70f7
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