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 /* 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 /* It returns an upper limit. No filtering is done here */ 124 static unsigned int 125 number_of_addresses(struct sctp_inpcb *inp) 126 { 127 int cnt; 128 struct sctp_vrf *vrf; 129 struct sctp_ifn *sctp_ifn; 130 struct sctp_ifa *sctp_ifa; 131 struct sctp_laddr *laddr; 132 133 cnt = 0; 134 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 135 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 136 return (0); 137 } 138 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 139 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 140 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 141 if ((sctp_ifa->address.sa.sa_family == AF_INET) || 142 (sctp_ifa->address.sa.sa_family == AF_INET6)) { 143 cnt++; 144 } 145 } 146 } 147 } else { 148 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 149 if ((laddr->ifa->address.sa.sa_family == AF_INET) || 150 (laddr->ifa->address.sa.sa_family == AF_INET6)) { 151 cnt++; 152 } 153 } 154 } 155 return (cnt); 156 } 157 158 static int 159 copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 160 { 161 struct sctp_ifn *sctp_ifn; 162 struct sctp_ifa *sctp_ifa; 163 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 164 int ipv4_addr_legal, ipv6_addr_legal; 165 struct sctp_vrf *vrf; 166 struct xsctp_laddr xladdr; 167 struct sctp_laddr *laddr; 168 int error; 169 170 /* Turn on all the appropriate scope */ 171 if (stcb) { 172 /* use association specific values */ 173 loopback_scope = stcb->asoc.loopback_scope; 174 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 175 local_scope = stcb->asoc.local_scope; 176 site_scope = stcb->asoc.site_scope; 177 } else { 178 /* use generic values for endpoints */ 179 loopback_scope = 1; 180 ipv4_local_scope = 1; 181 local_scope = 1; 182 site_scope = 1; 183 } 184 185 /* use only address families of interest */ 186 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 187 ipv6_addr_legal = 1; 188 if (SCTP_IPV6_V6ONLY(inp)) { 189 ipv4_addr_legal = 0; 190 } else { 191 ipv4_addr_legal = 1; 192 } 193 } else { 194 ipv4_addr_legal = 1; 195 ipv6_addr_legal = 0; 196 } 197 198 error = 0; 199 200 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 201 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 202 SCTP_INP_RUNLOCK(inp); 203 SCTP_INP_INFO_RUNLOCK(); 204 return (-1); 205 } 206 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 207 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 208 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 209 /* Skip loopback if loopback_scope not set */ 210 continue; 211 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 212 if (stcb) { 213 /* 214 * ignore if blacklisted at 215 * association level 216 */ 217 if (sctp_is_addr_restricted(stcb, sctp_ifa)) 218 continue; 219 } 220 switch (sctp_ifa->address.sa.sa_family) { 221 case AF_INET: 222 if (ipv4_addr_legal) { 223 struct sockaddr_in *sin; 224 225 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 226 if (sin->sin_addr.s_addr == 0) 227 continue; 228 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) 229 continue; 230 } else { 231 continue; 232 } 233 break; 234 #ifdef INET6 235 case AF_INET6: 236 if (ipv6_addr_legal) { 237 struct sockaddr_in6 *sin6; 238 239 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 240 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) 241 continue; 242 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 243 if (local_scope == 0) 244 continue; 245 if (sin6->sin6_scope_id == 0) { 246 /* 247 * bad link 248 * local 249 * address 250 */ 251 if (sa6_recoverscope(sin6) != 0) 252 continue; 253 } 254 } 255 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 256 continue; 257 } else { 258 continue; 259 } 260 break; 261 #endif 262 default: 263 continue; 264 } 265 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 266 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 267 SCTP_INP_RUNLOCK(inp); 268 SCTP_INP_INFO_RUNLOCK(); 269 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 270 if (error) { 271 return (error); 272 } else { 273 SCTP_INP_INFO_RLOCK(); 274 SCTP_INP_RLOCK(inp); 275 } 276 } 277 } 278 } else { 279 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 280 /* ignore if blacklisted at association level */ 281 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 282 continue; 283 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 284 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 285 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec; 286 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec; 287 SCTP_INP_RUNLOCK(inp); 288 SCTP_INP_INFO_RUNLOCK(); 289 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 290 if (error) { 291 return (error); 292 } else { 293 SCTP_INP_INFO_RLOCK(); 294 SCTP_INP_RLOCK(inp); 295 } 296 } 297 } 298 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 299 xladdr.last = 1; 300 SCTP_INP_RUNLOCK(inp); 301 SCTP_INP_INFO_RUNLOCK(); 302 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 303 304 if (error) { 305 return (error); 306 } else { 307 SCTP_INP_INFO_RLOCK(); 308 SCTP_INP_RLOCK(inp); 309 return (0); 310 } 311 } 312 313 /* 314 * sysctl functions 315 */ 316 static int 317 sctp_assoclist(SYSCTL_HANDLER_ARGS) 318 { 319 unsigned int number_of_endpoints; 320 unsigned int number_of_local_addresses; 321 unsigned int number_of_associations; 322 unsigned int number_of_remote_addresses; 323 unsigned int n; 324 int error; 325 struct sctp_inpcb *inp; 326 struct sctp_tcb *stcb; 327 struct sctp_nets *net; 328 struct xsctp_inpcb xinpcb; 329 struct xsctp_tcb xstcb; 330 struct xsctp_raddr xraddr; 331 332 number_of_endpoints = 0; 333 number_of_local_addresses = 0; 334 number_of_associations = 0; 335 number_of_remote_addresses = 0; 336 337 SCTP_INP_INFO_RLOCK(); 338 if (req->oldptr == USER_ADDR_NULL) { 339 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 340 SCTP_INP_RLOCK(inp); 341 number_of_endpoints++; 342 number_of_local_addresses += number_of_addresses(inp); 343 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 344 number_of_associations++; 345 number_of_local_addresses += number_of_addresses(inp); 346 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 347 number_of_remote_addresses++; 348 } 349 } 350 SCTP_INP_RUNLOCK(inp); 351 } 352 SCTP_INP_INFO_RUNLOCK(); 353 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 354 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 355 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 356 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 357 358 /* request some more memory than needed */ 359 req->oldidx = (n + n / 8); 360 return 0; 361 } 362 if (req->newptr != USER_ADDR_NULL) { 363 SCTP_INP_INFO_RUNLOCK(); 364 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 365 return EPERM; 366 } 367 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 368 SCTP_INP_RLOCK(inp); 369 xinpcb.last = 0; 370 xinpcb.local_port = ntohs(inp->sctp_lport); 371 xinpcb.flags = inp->sctp_flags; 372 xinpcb.features = inp->sctp_features; 373 xinpcb.total_sends = inp->total_sends; 374 xinpcb.total_recvs = inp->total_recvs; 375 xinpcb.total_nospaces = inp->total_nospaces; 376 xinpcb.fragmentation_point = inp->sctp_frag_point; 377 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 378 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 379 xinpcb.qlen = 0; 380 xinpcb.maxqlen = 0; 381 } else { 382 xinpcb.qlen = inp->sctp_socket->so_qlen; 383 xinpcb.maxqlen = inp->sctp_socket->so_qlimit; 384 } 385 SCTP_INP_INCR_REF(inp); 386 SCTP_INP_RUNLOCK(inp); 387 SCTP_INP_INFO_RUNLOCK(); 388 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 389 if (error) { 390 SCTP_INP_DECR_REF(inp); 391 return error; 392 } 393 SCTP_INP_INFO_RLOCK(); 394 SCTP_INP_RLOCK(inp); 395 error = copy_out_local_addresses(inp, NULL, req); 396 if (error) { 397 SCTP_INP_DECR_REF(inp); 398 return error; 399 } 400 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 401 SCTP_TCB_LOCK(stcb); 402 atomic_add_int(&stcb->asoc.refcnt, 1); 403 SCTP_TCB_UNLOCK(stcb); 404 xstcb.last = 0; 405 xstcb.local_port = ntohs(inp->sctp_lport); 406 xstcb.remote_port = ntohs(stcb->rport); 407 if (stcb->asoc.primary_destination != NULL) 408 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 409 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 410 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */ 411 xstcb.in_streams = stcb->asoc.streamincnt; 412 xstcb.out_streams = stcb->asoc.streamoutcnt; 413 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 414 xstcb.primary_process = 0; /* not really supported 415 * yet */ 416 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 417 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 418 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 419 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec; 420 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec; 421 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec; 422 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec; 423 xstcb.total_sends = stcb->total_sends; 424 xstcb.total_recvs = stcb->total_recvs; 425 xstcb.local_tag = stcb->asoc.my_vtag; 426 xstcb.remote_tag = stcb->asoc.peer_vtag; 427 xstcb.initial_tsn = stcb->asoc.init_seq_number; 428 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 429 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 430 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 431 xstcb.mtu = stcb->asoc.smallest_mtu; 432 xstcb.refcnt = stcb->asoc.refcnt; 433 SCTP_INP_RUNLOCK(inp); 434 SCTP_INP_INFO_RUNLOCK(); 435 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 436 if (error) { 437 SCTP_INP_DECR_REF(inp); 438 atomic_subtract_int(&stcb->asoc.refcnt, 1); 439 return error; 440 } 441 SCTP_INP_INFO_RLOCK(); 442 SCTP_INP_RLOCK(inp); 443 error = copy_out_local_addresses(inp, stcb, req); 444 if (error) { 445 SCTP_INP_DECR_REF(inp); 446 atomic_subtract_int(&stcb->asoc.refcnt, 1); 447 return error; 448 } 449 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 450 xraddr.last = 0; 451 xraddr.address = net->ro._l_addr; 452 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 453 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 454 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 455 xraddr.rto = net->RTO; 456 xraddr.max_path_rtx = net->failure_threshold; 457 xraddr.rtx = net->marked_retrans; 458 xraddr.error_counter = net->error_count; 459 xraddr.cwnd = net->cwnd; 460 xraddr.flight_size = net->flight_size; 461 xraddr.mtu = net->mtu; 462 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec; 463 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec; 464 SCTP_INP_RUNLOCK(inp); 465 SCTP_INP_INFO_RUNLOCK(); 466 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 467 if (error) { 468 SCTP_INP_DECR_REF(inp); 469 atomic_subtract_int(&stcb->asoc.refcnt, 1); 470 return error; 471 } 472 SCTP_INP_INFO_RLOCK(); 473 SCTP_INP_RLOCK(inp); 474 } 475 atomic_subtract_int(&stcb->asoc.refcnt, 1); 476 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 477 xraddr.last = 1; 478 SCTP_INP_RUNLOCK(inp); 479 SCTP_INP_INFO_RUNLOCK(); 480 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 481 if (error) { 482 SCTP_INP_DECR_REF(inp); 483 return error; 484 } 485 SCTP_INP_INFO_RLOCK(); 486 SCTP_INP_RLOCK(inp); 487 } 488 SCTP_INP_DECR_REF(inp); 489 SCTP_INP_RUNLOCK(inp); 490 SCTP_INP_INFO_RUNLOCK(); 491 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 492 xstcb.last = 1; 493 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 494 if (error) { 495 return error; 496 } 497 SCTP_INP_INFO_RLOCK(); 498 } 499 SCTP_INP_INFO_RUNLOCK(); 500 501 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 502 xinpcb.last = 1; 503 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 504 return error; 505 } 506 507 508 509 #define RANGECHK(var, min, max) \ 510 if ((var) < (min)) { (var) = (min); } \ 511 else if ((var) > (max)) { (var) = (max); } 512 513 static int 514 sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS) 515 { 516 int error; 517 uint32_t old_sctp_udp_tunneling_port; 518 519 old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 520 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 521 if (error == 0) { 522 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX); 523 if (old_sctp_udp_tunneling_port) { 524 sctp_over_udp_stop(); 525 } 526 if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 527 if (sctp_over_udp_start()) { 528 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0; 529 } 530 } 531 } 532 return (error); 533 } 534 535 536 static int 537 sysctl_sctp_check(SYSCTL_HANDLER_ARGS) 538 { 539 int error; 540 541 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 542 if (error == 0) { 543 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX); 544 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX); 545 #if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF) 546 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); 547 #endif 548 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX); 549 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_nonce), SCTPCTL_ECN_NONCE_MIN, SCTPCTL_ECN_NONCE_MAX); 550 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX); 551 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX); 552 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_init), SCTPCTL_STRICT_INIT_MIN, SCTPCTL_STRICT_INIT_MAX); 553 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX); 554 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX); 555 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX); 556 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX); 557 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX); 558 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX); 559 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX); 560 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX); 561 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX); 562 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX); 563 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX); 564 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX); 565 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX); 566 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX); 567 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX); 568 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX); 569 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX); 570 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX); 571 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX); 572 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX); 573 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX); 574 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX); 575 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX); 576 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX); 577 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX); 578 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX); 579 /* EY */ 580 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), SCTPCTL_NR_SACK_ON_OFF_MIN, SCTPCTL_NR_SACK_ON_OFF_MAX); 581 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX); 582 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_pf), SCTPCTL_CMT_PF_MIN, SCTPCTL_CMT_PF_MAX); 583 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX); 584 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr), SCTPCTL_EARLY_FAST_RETRAN_MIN, SCTPCTL_EARLY_FAST_RETRAN_MAX); 585 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr_msec), SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN, SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX); 586 RANGECHK(SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), SCTPCTL_ASCONF_AUTH_NOCHK_MIN, SCTPCTL_ASCONF_AUTH_NOCHK_MAX); 587 RANGECHK(SCTP_BASE_SYSCTL(sctp_auth_disable), SCTPCTL_AUTH_DISABLE_MIN, SCTPCTL_AUTH_DISABLE_MAX); 588 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 589 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX); 590 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX); 591 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX); 592 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX); 593 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX); 594 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX); 595 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX); 596 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX); 597 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX); 598 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX); 599 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX); 600 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE) 601 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX); 602 #endif 603 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 604 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX); 605 #endif 606 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN, SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX); 607 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX); 608 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 609 610 #ifdef SCTP_DEBUG 611 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX); 612 #endif 613 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 614 RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX); 615 #endif 616 } 617 return (error); 618 } 619 620 621 622 #if defined(SCTP_LOCAL_TRACE_BUF) 623 static int 624 sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS) 625 { 626 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 627 return (0); 628 } 629 630 #endif 631 632 633 634 /* 635 * sysctl definitions 636 */ 637 638 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_INT | CTLFLAG_RW, 639 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU", 640 SCTPCTL_MAXDGRAM_DESC); 641 642 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_INT | CTLFLAG_RW, 643 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU", 644 SCTPCTL_RECVSPACE_DESC); 645 646 #if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF) 647 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_INT | CTLFLAG_RW, 648 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU", 649 SCTPCTL_AUTOASCONF_DESC); 650 #endif 651 652 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_INT | CTLFLAG_RW, 653 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU", 654 SCTPCTL_ECN_ENABLE_DESC); 655 656 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_nonce, CTLTYPE_INT | CTLFLAG_RW, 657 &SCTP_BASE_SYSCTL(sctp_ecn_nonce), 0, sysctl_sctp_check, "IU", 658 SCTPCTL_ECN_NONCE_DESC); 659 660 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_INT | CTLFLAG_RW, 661 &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU", 662 SCTPCTL_STRICT_SACKS_DESC); 663 664 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLTYPE_INT | CTLFLAG_RW, 665 &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sysctl_sctp_check, "IU", 666 SCTPCTL_LOOPBACK_NOCSUM_DESC); 667 668 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_init, CTLTYPE_INT | CTLFLAG_RW, 669 &SCTP_BASE_SYSCTL(sctp_strict_init), 0, sysctl_sctp_check, "IU", 670 SCTPCTL_STRICT_INIT_DESC); 671 672 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_INT | CTLFLAG_RW, 673 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU", 674 SCTPCTL_PEER_CHKOH_DESC); 675 676 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_INT | CTLFLAG_RW, 677 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU", 678 SCTPCTL_MAXBURST_DESC); 679 680 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_INT | CTLFLAG_RW, 681 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU", 682 SCTPCTL_MAXCHUNKS_DESC); 683 684 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_INT | CTLFLAG_RW, 685 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU", 686 SCTPCTL_TCBHASHSIZE_DESC); 687 688 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_INT | CTLFLAG_RW, 689 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU", 690 SCTPCTL_PCBHASHSIZE_DESC); 691 692 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_INT | CTLFLAG_RW, 693 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU", 694 SCTPCTL_MIN_SPLIT_POINT_DESC); 695 696 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_INT | CTLFLAG_RW, 697 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU", 698 SCTPCTL_CHUNKSCALE_DESC); 699 700 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_INT | CTLFLAG_RW, 701 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU", 702 SCTPCTL_DELAYED_SACK_TIME_DESC); 703 704 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_INT | CTLFLAG_RW, 705 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU", 706 SCTPCTL_SACK_FREQ_DESC); 707 708 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_INT | CTLFLAG_RW, 709 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU", 710 SCTPCTL_SYS_RESOURCE_DESC); 711 712 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_INT | CTLFLAG_RW, 713 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU", 714 SCTPCTL_ASOC_RESOURCE_DESC); 715 716 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_INT | CTLFLAG_RW, 717 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU", 718 SCTPCTL_HEARTBEAT_INTERVAL_DESC); 719 720 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_INT | CTLFLAG_RW, 721 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU", 722 SCTPCTL_PMTU_RAISE_TIME_DESC); 723 724 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_INT | CTLFLAG_RW, 725 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU", 726 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC); 727 728 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_INT | CTLFLAG_RW, 729 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU", 730 SCTPCTL_SECRET_LIFETIME_DESC); 731 732 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_INT | CTLFLAG_RW, 733 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU", 734 SCTPCTL_RTO_MAX_DESC); 735 736 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_INT | CTLFLAG_RW, 737 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU", 738 SCTPCTL_RTO_MIN_DESC); 739 740 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_INT | CTLFLAG_RW, 741 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU", 742 SCTPCTL_RTO_INITIAL_DESC); 743 744 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_INT | CTLFLAG_RW, 745 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU", 746 SCTPCTL_INIT_RTO_MAX_DESC); 747 748 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_INT | CTLFLAG_RW, 749 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU", 750 SCTPCTL_VALID_COOKIE_LIFE_DESC); 751 752 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 753 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU", 754 SCTPCTL_INIT_RTX_MAX_DESC); 755 756 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 757 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU", 758 SCTPCTL_ASSOC_RTX_MAX_DESC); 759 760 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_INT | CTLFLAG_RW, 761 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU", 762 SCTPCTL_PATH_RTX_MAX_DESC); 763 764 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_INT | CTLFLAG_RW, 765 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU", 766 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC); 767 768 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_INT | CTLFLAG_RW, 769 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU", 770 SCTPCTL_OUTGOING_STREAMS_DESC); 771 772 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_INT | CTLFLAG_RW, 773 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU", 774 SCTPCTL_CMT_ON_OFF_DESC); 775 776 /* EY */ 777 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nr_sack_on_off, CTLTYPE_INT | CTLFLAG_RW, 778 &SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), 0, sysctl_sctp_check, "IU", 779 SCTPCTL_NR_SACK_ON_OFF_DESC); 780 781 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_INT | CTLFLAG_RW, 782 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU", 783 SCTPCTL_CMT_USE_DAC_DESC); 784 785 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_pf, CTLTYPE_INT | CTLFLAG_RW, 786 &SCTP_BASE_SYSCTL(sctp_cmt_pf), 0, sysctl_sctp_check, "IU", 787 SCTPCTL_CMT_PF_DESC); 788 789 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_INT | CTLFLAG_RW, 790 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU", 791 SCTPCTL_CWND_MAXBURST_DESC); 792 793 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran, CTLTYPE_INT | CTLFLAG_RW, 794 &SCTP_BASE_SYSCTL(sctp_early_fr), 0, sysctl_sctp_check, "IU", 795 SCTPCTL_EARLY_FAST_RETRAN_DESC); 796 797 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran_msec, CTLTYPE_INT | CTLFLAG_RW, 798 &SCTP_BASE_SYSCTL(sctp_early_fr_msec), 0, sysctl_sctp_check, "IU", 799 SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC); 800 801 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLTYPE_INT | CTLFLAG_RW, 802 &SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), 0, sysctl_sctp_check, "IU", 803 SCTPCTL_ASCONF_AUTH_NOCHK_DESC); 804 805 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_INT | CTLFLAG_RW, 806 &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check, "IU", 807 SCTPCTL_AUTH_DISABLE_DESC); 808 809 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_INT | CTLFLAG_RW, 810 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU", 811 SCTPCTL_NAT_FRIENDLY_DESC); 812 813 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_INT | CTLFLAG_RW, 814 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU", 815 SCTPCTL_ABC_L_VAR_DESC); 816 817 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_INT | CTLFLAG_RW, 818 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU", 819 SCTPCTL_MAX_CHAINED_MBUFS_DESC); 820 821 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_INT | CTLFLAG_RW, 822 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU", 823 SCTPCTL_DO_SCTP_DRAIN_DESC); 824 825 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_INT | CTLFLAG_RW, 826 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU", 827 SCTPCTL_HB_MAX_BURST_DESC); 828 829 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_INT | CTLFLAG_RW, 830 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU", 831 SCTPCTL_ABORT_AT_LIMIT_DESC); 832 833 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_INT | CTLFLAG_RW, 834 &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU", 835 SCTPCTL_STRICT_DATA_ORDER_DESC); 836 837 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_INT | CTLFLAG_RW, 838 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU", 839 SCTPCTL_MIN_RESIDUAL_DESC); 840 841 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_INT | CTLFLAG_RW, 842 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU", 843 SCTPCTL_MAX_RETRAN_CHUNK_DESC); 844 845 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_INT | CTLFLAG_RW, 846 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU", 847 SCTPCTL_LOGGING_LEVEL_DESC); 848 849 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_INT | CTLFLAG_RW, 850 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU", 851 SCTPCTL_DEFAULT_CC_MODULE_DESC); 852 853 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_INT | CTLFLAG_RW, 854 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU", 855 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC); 856 857 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE) 858 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_INT | CTLFLAG_RW, 859 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU", 860 SCTPCTL_MOBILITY_BASE_DESC); 861 #endif 862 863 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF) 864 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_INT | CTLFLAG_RW, 865 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU", 866 SCTPCTL_MOBILITY_FASTHANDOFF_DESC); 867 #endif 868 869 #if defined(SCTP_LOCAL_TRACE_BUF) 870 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD, 871 &SCTP_BASE_SYSCTL(sctp_log), sctp_log, 872 "SCTP logging (struct sctp_log)"); 873 874 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_OPAQUE | CTLFLAG_RW, 875 &SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU", 876 "Clear SCTP Logging buffer"); 877 878 879 880 #endif 881 882 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_for_client_enable, CTLTYPE_INT | CTLFLAG_RW, 883 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), 0, sysctl_sctp_check, "IU", 884 SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC); 885 886 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_INT | CTLFLAG_RW, 887 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU", 888 SCTPCTL_UDP_TUNNELING_PORT_DESC); 889 890 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_INT | CTLFLAG_RW, 891 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU", 892 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC); 893 894 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly_init, CTLTYPE_INT | CTLFLAG_RW, 895 &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sysctl_sctp_check, "IU", 896 SCTPCTL_NAT_FRIENDLY_DESC); 897 898 #ifdef SCTP_DEBUG 899 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_INT | CTLFLAG_RW, 900 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU", 901 SCTPCTL_DEBUG_DESC); 902 #endif /* SCTP_DEBUG */ 903 904 905 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 906 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_INT | CTLFLAG_RW, 907 &SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU", 908 SCTPCTL_OUTPUT_UNLOCKED_DESC); 909 #endif 910 911 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW, 912 &SCTP_BASE_STATS, sctpstat, 913 "SCTP statistics (struct sctp_stat)"); 914 915 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_RD, 916 0, 0, sctp_assoclist, 917 "S,xassoc", "List of active SCTP associations");
Cache object: 8ac9c54820e81a3340aae30afba3b8f6
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