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 #include <sys/smp.h> 42 43 /* 44 * sysctl tunable variables 45 */ 46 47 void 48 sctp_init_sysctls() 49 { 50 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; 51 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; 52 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; 53 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; 54 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; 55 SCTP_BASE_SYSCTL(sctp_ecn_nonce) = SCTPCTL_ECN_NONCE_DEFAULT; 56 SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT; 57 #if !defined(SCTP_WITH_NO_CSUM) 58 SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT; 59 #endif 60 SCTP_BASE_SYSCTL(sctp_strict_init) = SCTPCTL_STRICT_INIT_DEFAULT; 61 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; 62 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; 63 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; 64 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 65 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 66 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; 67 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 68 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT; 69 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; 70 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; 71 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; 72 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT; 73 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; 74 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT; 75 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; 76 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; 77 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; 78 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; 79 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; 80 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT; 81 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; 82 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; 83 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; 84 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; 85 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT; 86 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; 87 /* EY */ 88 SCTP_BASE_SYSCTL(sctp_nr_sack_on_off) = SCTPCTL_NR_SACK_ON_OFF_DEFAULT; 89 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 90 SCTP_BASE_SYSCTL(sctp_cmt_pf) = SCTPCTL_CMT_PF_DEFAULT; 91 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 92 SCTP_BASE_SYSCTL(sctp_early_fr) = SCTPCTL_EARLY_FAST_RETRAN_DEFAULT; 93 SCTP_BASE_SYSCTL(sctp_early_fr_msec) = SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT; 94 SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk) = SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT; 95 SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_DEFAULT; 96 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 97 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 98 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 99 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 100 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 101 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 102 SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT; 103 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 104 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 105 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 106 /* JRS - Variable for default congestion control module */ 107 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 108 /* RS - Variable for default stream scheduling module */ 109 SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT; 110 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 111 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 112 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 113 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; 114 SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT; 115 SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT; 116 #if defined(SCTP_LOCAL_TRACE_BUF) 117 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 118 #endif 119 SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable) = SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT; 120 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 121 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 122 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT; 123 #if defined(SCTP_DEBUG) 124 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 125 #endif 126 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 127 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 128 #endif 129 } 130 131 132 /* It returns an upper limit. No filtering is done here */ 133 static unsigned int 134 number_of_addresses(struct sctp_inpcb *inp) 135 { 136 int cnt; 137 struct sctp_vrf *vrf; 138 struct sctp_ifn *sctp_ifn; 139 struct sctp_ifa *sctp_ifa; 140 struct sctp_laddr *laddr; 141 142 cnt = 0; 143 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 144 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 145 return (0); 146 } 147 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 148 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 149 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 150 if ((sctp_ifa->address.sa.sa_family == AF_INET) || 151 (sctp_ifa->address.sa.sa_family == AF_INET6)) { 152 cnt++; 153 } 154 } 155 } 156 } else { 157 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 158 if ((laddr->ifa->address.sa.sa_family == AF_INET) || 159 (laddr->ifa->address.sa.sa_family == AF_INET6)) { 160 cnt++; 161 } 162 } 163 } 164 return (cnt); 165 } 166 167 static int 168 copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 169 { 170 struct sctp_ifn *sctp_ifn; 171 struct sctp_ifa *sctp_ifa; 172 int loopback_scope, ipv4_local_scope, local_scope, site_scope; 173 int ipv4_addr_legal, ipv6_addr_legal; 174 struct sctp_vrf *vrf; 175 struct xsctp_laddr xladdr; 176 struct sctp_laddr *laddr; 177 int error; 178 179 /* Turn on all the appropriate scope */ 180 if (stcb) { 181 /* use association specific values */ 182 loopback_scope = stcb->asoc.loopback_scope; 183 ipv4_local_scope = stcb->asoc.ipv4_local_scope; 184 local_scope = stcb->asoc.local_scope; 185 site_scope = stcb->asoc.site_scope; 186 } else { 187 /* use generic values for endpoints */ 188 loopback_scope = 1; 189 ipv4_local_scope = 1; 190 local_scope = 1; 191 site_scope = 1; 192 } 193 194 /* use only address families of interest */ 195 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 196 ipv6_addr_legal = 1; 197 if (SCTP_IPV6_V6ONLY(inp)) { 198 ipv4_addr_legal = 0; 199 } else { 200 ipv4_addr_legal = 1; 201 } 202 } else { 203 ipv4_addr_legal = 1; 204 ipv6_addr_legal = 0; 205 } 206 207 /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 208 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 209 SCTP_INP_RUNLOCK(inp); 210 SCTP_INP_INFO_RUNLOCK(); 211 return (-1); 212 } 213 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 214 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 215 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 216 /* Skip loopback if loopback_scope not set */ 217 continue; 218 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 219 if (stcb) { 220 /* 221 * ignore if blacklisted at 222 * association level 223 */ 224 if (sctp_is_addr_restricted(stcb, sctp_ifa)) 225 continue; 226 } 227 switch (sctp_ifa->address.sa.sa_family) { 228 case AF_INET: 229 if (ipv4_addr_legal) { 230 struct sockaddr_in *sin; 231 232 sin = (struct sockaddr_in *)&sctp_ifa->address.sa; 233 if (sin->sin_addr.s_addr == 0) 234 continue; 235 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) 236 continue; 237 } else { 238 continue; 239 } 240 break; 241 #ifdef INET6 242 case AF_INET6: 243 if (ipv6_addr_legal) { 244 struct sockaddr_in6 *sin6; 245 246 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa; 247 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) 248 continue; 249 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 250 if (local_scope == 0) 251 continue; 252 if (sin6->sin6_scope_id == 0) { 253 /* 254 * bad link 255 * local 256 * address 257 */ 258 if (sa6_recoverscope(sin6) != 0) 259 continue; 260 } 261 } 262 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 263 continue; 264 } else { 265 continue; 266 } 267 break; 268 #endif 269 default: 270 continue; 271 } 272 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 273 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 274 SCTP_INP_RUNLOCK(inp); 275 SCTP_INP_INFO_RUNLOCK(); 276 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 277 if (error) { 278 return (error); 279 } else { 280 SCTP_INP_INFO_RLOCK(); 281 SCTP_INP_RLOCK(inp); 282 } 283 } 284 } 285 } else { 286 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 287 /* ignore if blacklisted at association level */ 288 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 289 continue; 290 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 291 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 292 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec; 293 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec; 294 SCTP_INP_RUNLOCK(inp); 295 SCTP_INP_INFO_RUNLOCK(); 296 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 297 if (error) { 298 return (error); 299 } else { 300 SCTP_INP_INFO_RLOCK(); 301 SCTP_INP_RLOCK(inp); 302 } 303 } 304 } 305 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 306 xladdr.last = 1; 307 SCTP_INP_RUNLOCK(inp); 308 SCTP_INP_INFO_RUNLOCK(); 309 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 310 311 if (error) { 312 return (error); 313 } else { 314 SCTP_INP_INFO_RLOCK(); 315 SCTP_INP_RLOCK(inp); 316 return (0); 317 } 318 } 319 320 /* 321 * sysctl functions 322 */ 323 static int 324 sctp_assoclist(SYSCTL_HANDLER_ARGS) 325 { 326 unsigned int number_of_endpoints; 327 unsigned int number_of_local_addresses; 328 unsigned int number_of_associations; 329 unsigned int number_of_remote_addresses; 330 unsigned int n; 331 int error; 332 struct sctp_inpcb *inp; 333 struct sctp_tcb *stcb; 334 struct sctp_nets *net; 335 struct xsctp_inpcb xinpcb; 336 struct xsctp_tcb xstcb; 337 struct xsctp_raddr xraddr; 338 struct socket *so; 339 340 number_of_endpoints = 0; 341 number_of_local_addresses = 0; 342 number_of_associations = 0; 343 number_of_remote_addresses = 0; 344 345 SCTP_INP_INFO_RLOCK(); 346 if (req->oldptr == USER_ADDR_NULL) { 347 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 348 SCTP_INP_RLOCK(inp); 349 number_of_endpoints++; 350 number_of_local_addresses += number_of_addresses(inp); 351 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 352 number_of_associations++; 353 number_of_local_addresses += number_of_addresses(inp); 354 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 355 number_of_remote_addresses++; 356 } 357 } 358 SCTP_INP_RUNLOCK(inp); 359 } 360 SCTP_INP_INFO_RUNLOCK(); 361 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 362 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 363 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 364 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 365 366 /* request some more memory than needed */ 367 req->oldidx = (n + n / 8); 368 return 0; 369 } 370 if (req->newptr != USER_ADDR_NULL) { 371 SCTP_INP_INFO_RUNLOCK(); 372 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 373 return EPERM; 374 } 375 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 376 SCTP_INP_RLOCK(inp); 377 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) { 378 /* if its allgone it is being freed - skip it */ 379 goto skip; 380 } 381 xinpcb.last = 0; 382 xinpcb.local_port = ntohs(inp->sctp_lport); 383 xinpcb.flags = inp->sctp_flags; 384 xinpcb.features = inp->sctp_features; 385 xinpcb.total_sends = inp->total_sends; 386 xinpcb.total_recvs = inp->total_recvs; 387 xinpcb.total_nospaces = inp->total_nospaces; 388 xinpcb.fragmentation_point = inp->sctp_frag_point; 389 so = inp->sctp_socket; 390 if ((so == NULL) || 391 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 392 xinpcb.qlen = 0; 393 xinpcb.maxqlen = 0; 394 } else { 395 xinpcb.qlen = so->so_qlen; 396 xinpcb.maxqlen = so->so_qlimit; 397 } 398 SCTP_INP_INCR_REF(inp); 399 SCTP_INP_RUNLOCK(inp); 400 SCTP_INP_INFO_RUNLOCK(); 401 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 402 if (error) { 403 SCTP_INP_DECR_REF(inp); 404 return error; 405 } 406 SCTP_INP_INFO_RLOCK(); 407 SCTP_INP_RLOCK(inp); 408 error = copy_out_local_addresses(inp, NULL, req); 409 if (error) { 410 SCTP_INP_DECR_REF(inp); 411 return error; 412 } 413 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 414 SCTP_TCB_LOCK(stcb); 415 atomic_add_int(&stcb->asoc.refcnt, 1); 416 SCTP_TCB_UNLOCK(stcb); 417 xstcb.last = 0; 418 xstcb.local_port = ntohs(inp->sctp_lport); 419 xstcb.remote_port = ntohs(stcb->rport); 420 if (stcb->asoc.primary_destination != NULL) 421 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 422 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 423 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */ 424 /* 7.0 does not support these */ 425 xstcb.assoc_id = sctp_get_associd(stcb); 426 xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 427 xstcb.in_streams = stcb->asoc.streamincnt; 428 xstcb.out_streams = stcb->asoc.streamoutcnt; 429 xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 430 xstcb.primary_process = 0; /* not really supported 431 * yet */ 432 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 433 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 434 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 435 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec; 436 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec; 437 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec; 438 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec; 439 xstcb.total_sends = stcb->total_sends; 440 xstcb.total_recvs = stcb->total_recvs; 441 xstcb.local_tag = stcb->asoc.my_vtag; 442 xstcb.remote_tag = stcb->asoc.peer_vtag; 443 xstcb.initial_tsn = stcb->asoc.init_seq_number; 444 xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 445 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 446 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 447 xstcb.mtu = stcb->asoc.smallest_mtu; 448 xstcb.refcnt = stcb->asoc.refcnt; 449 SCTP_INP_RUNLOCK(inp); 450 SCTP_INP_INFO_RUNLOCK(); 451 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 452 if (error) { 453 SCTP_INP_DECR_REF(inp); 454 atomic_subtract_int(&stcb->asoc.refcnt, 1); 455 return error; 456 } 457 SCTP_INP_INFO_RLOCK(); 458 SCTP_INP_RLOCK(inp); 459 error = copy_out_local_addresses(inp, stcb, req); 460 if (error) { 461 SCTP_INP_DECR_REF(inp); 462 atomic_subtract_int(&stcb->asoc.refcnt, 1); 463 return error; 464 } 465 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 466 xraddr.last = 0; 467 xraddr.address = net->ro._l_addr; 468 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 469 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 470 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 471 xraddr.rto = net->RTO; 472 xraddr.max_path_rtx = net->failure_threshold; 473 xraddr.rtx = net->marked_retrans; 474 xraddr.error_counter = net->error_count; 475 xraddr.cwnd = net->cwnd; 476 xraddr.flight_size = net->flight_size; 477 xraddr.mtu = net->mtu; 478 xraddr.rtt = net->rtt; 479 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec; 480 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec; 481 SCTP_INP_RUNLOCK(inp); 482 SCTP_INP_INFO_RUNLOCK(); 483 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 484 if (error) { 485 SCTP_INP_DECR_REF(inp); 486 atomic_subtract_int(&stcb->asoc.refcnt, 1); 487 return error; 488 } 489 SCTP_INP_INFO_RLOCK(); 490 SCTP_INP_RLOCK(inp); 491 } 492 atomic_subtract_int(&stcb->asoc.refcnt, 1); 493 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 494 xraddr.last = 1; 495 SCTP_INP_RUNLOCK(inp); 496 SCTP_INP_INFO_RUNLOCK(); 497 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 498 if (error) { 499 SCTP_INP_DECR_REF(inp); 500 return error; 501 } 502 SCTP_INP_INFO_RLOCK(); 503 SCTP_INP_RLOCK(inp); 504 } 505 SCTP_INP_DECR_REF(inp); 506 SCTP_INP_RUNLOCK(inp); 507 SCTP_INP_INFO_RUNLOCK(); 508 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 509 xstcb.last = 1; 510 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 511 if (error) { 512 return error; 513 } 514 skip: 515 SCTP_INP_INFO_RLOCK(); 516 } 517 SCTP_INP_INFO_RUNLOCK(); 518 519 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 520 xinpcb.last = 1; 521 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 522 return error; 523 } 524 525 526 #define RANGECHK(var, min, max) \ 527 if ((var) < (min)) { (var) = (min); } \ 528 else if ((var) > (max)) { (var) = (max); } 529 530 static int 531 sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS) 532 { 533 int error; 534 uint32_t old_sctp_udp_tunneling_port; 535 536 SCTP_INP_INFO_RLOCK(); 537 old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 538 SCTP_INP_INFO_RUNLOCK(); 539 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 540 if (error == 0) { 541 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX); 542 if (old_sctp_udp_tunneling_port == SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 543 error = 0; 544 goto out; 545 } 546 SCTP_INP_INFO_WLOCK(); 547 if (old_sctp_udp_tunneling_port) { 548 sctp_over_udp_stop(); 549 } 550 if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) { 551 if (sctp_over_udp_start()) { 552 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0; 553 } 554 } 555 SCTP_INP_INFO_WUNLOCK(); 556 } 557 out: 558 return (error); 559 } 560 561 562 static int 563 sysctl_sctp_check(SYSCTL_HANDLER_ARGS) 564 { 565 int error; 566 567 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); 568 if (error == 0) { 569 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX); 570 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX); 571 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); 572 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX); 573 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_nonce), SCTPCTL_ECN_NONCE_MIN, SCTPCTL_ECN_NONCE_MAX); 574 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX); 575 #if !defined(SCTP_WITH_NO_CSUM) 576 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX); 577 #endif 578 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_init), SCTPCTL_STRICT_INIT_MIN, SCTPCTL_STRICT_INIT_MAX); 579 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX); 580 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX); 581 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX); 582 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX); 583 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX); 584 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX); 585 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX); 586 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX); 587 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX); 588 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX); 589 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX); 590 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX); 591 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX); 592 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX); 593 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX); 594 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX); 595 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX); 596 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX); 597 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX); 598 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX); 599 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX); 600 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX); 601 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX); 602 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX); 603 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX); 604 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX); 605 /* EY */ 606 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), SCTPCTL_NR_SACK_ON_OFF_MIN, SCTPCTL_NR_SACK_ON_OFF_MAX); 607 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX); 608 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_pf), SCTPCTL_CMT_PF_MIN, SCTPCTL_CMT_PF_MAX); 609 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX); 610 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr), SCTPCTL_EARLY_FAST_RETRAN_MIN, SCTPCTL_EARLY_FAST_RETRAN_MAX); 611 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr_msec), SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN, SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX); 612 RANGECHK(SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), SCTPCTL_ASCONF_AUTH_NOCHK_MIN, SCTPCTL_ASCONF_AUTH_NOCHK_MAX); 613 RANGECHK(SCTP_BASE_SYSCTL(sctp_auth_disable), SCTPCTL_AUTH_DISABLE_MIN, SCTPCTL_AUTH_DISABLE_MAX); 614 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX); 615 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX); 616 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX); 617 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX); 618 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX); 619 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX); 620 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX); 621 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX); 622 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX); 623 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX); 624 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX); 625 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX); 626 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX); 627 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX); 628 RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX); 629 RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX); 630 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX); 631 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX); 632 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN, SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX); 633 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX); 634 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX); 635 636 #ifdef SCTP_DEBUG 637 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX); 638 #endif 639 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 640 RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX); 641 #endif 642 } 643 return (error); 644 } 645 646 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 647 static int 648 sysctl_stat_get(SYSCTL_HANDLER_ARGS) 649 { 650 int cpu, error; 651 struct sctpstat sb, *sarry; 652 653 memset(&sb, 0, sizeof(sb)); 654 for (cpu = 0; cpu < mp_ncpus; cpu++) { 655 sarry = &SCTP_BASE_STATS[cpu]; 656 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { 657 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; 658 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; 659 } 660 sb.sctps_currestab += sarry->sctps_currestab; 661 sb.sctps_activeestab += sarry->sctps_activeestab; 662 sb.sctps_restartestab += sarry->sctps_restartestab; 663 sb.sctps_collisionestab += sarry->sctps_collisionestab; 664 sb.sctps_passiveestab += sarry->sctps_passiveestab; 665 sb.sctps_aborted += sarry->sctps_aborted; 666 sb.sctps_shutdown += sarry->sctps_shutdown; 667 sb.sctps_outoftheblue += sarry->sctps_outoftheblue; 668 sb.sctps_checksumerrors += sarry->sctps_checksumerrors; 669 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; 670 sb.sctps_outorderchunks += sarry->sctps_outorderchunks; 671 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; 672 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; 673 sb.sctps_inorderchunks += sarry->sctps_inorderchunks; 674 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; 675 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; 676 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; 677 sb.sctps_outpackets += sarry->sctps_outpackets; 678 sb.sctps_inpackets += sarry->sctps_inpackets; 679 sb.sctps_recvpackets += sarry->sctps_recvpackets; 680 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; 681 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; 682 sb.sctps_recvsacks += sarry->sctps_recvsacks; 683 sb.sctps_recvdata += sarry->sctps_recvdata; 684 sb.sctps_recvdupdata += sarry->sctps_recvdupdata; 685 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; 686 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; 687 sb.sctps_recvecne += sarry->sctps_recvecne; 688 sb.sctps_recvauth += sarry->sctps_recvauth; 689 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; 690 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; 691 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; 692 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; 693 sb.sctps_recvexpress += sarry->sctps_recvexpress; 694 sb.sctps_recvexpressm += sarry->sctps_recvexpressm; 695 sb.sctps_recvnocrc += sarry->sctps_recvnocrc; 696 sb.sctps_recvswcrc += sarry->sctps_recvswcrc; 697 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; 698 sb.sctps_sendpackets += sarry->sctps_sendpackets; 699 sb.sctps_sendsacks += sarry->sctps_sendsacks; 700 sb.sctps_senddata += sarry->sctps_senddata; 701 sb.sctps_sendretransdata += sarry->sctps_sendretransdata; 702 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; 703 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; 704 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; 705 sb.sctps_sendecne += sarry->sctps_sendecne; 706 sb.sctps_sendauth += sarry->sctps_sendauth; 707 sb.sctps_senderrors += sarry->sctps_senderrors; 708 sb.sctps_sendnocrc += sarry->sctps_sendnocrc; 709 sb.sctps_sendswcrc += sarry->sctps_sendswcrc; 710 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; 711 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; 712 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; 713 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; 714 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; 715 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; 716 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; 717 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; 718 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; 719 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; 720 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; 721 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; 722 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; 723 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; 724 sb.sctps_pdrpmark += sarry->sctps_pdrpmark; 725 sb.sctps_timoiterator += sarry->sctps_timoiterator; 726 sb.sctps_timodata += sarry->sctps_timodata; 727 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; 728 sb.sctps_timoinit += sarry->sctps_timoinit; 729 sb.sctps_timosack += sarry->sctps_timosack; 730 sb.sctps_timoshutdown += sarry->sctps_timoshutdown; 731 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; 732 sb.sctps_timocookie += sarry->sctps_timocookie; 733 sb.sctps_timosecret += sarry->sctps_timosecret; 734 sb.sctps_timopathmtu += sarry->sctps_timopathmtu; 735 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; 736 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; 737 sb.sctps_timostrmrst += sarry->sctps_timostrmrst; 738 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; 739 sb.sctps_timoasconf += sarry->sctps_timoasconf; 740 sb.sctps_timodelprim += sarry->sctps_timodelprim; 741 sb.sctps_timoautoclose += sarry->sctps_timoautoclose; 742 sb.sctps_timoassockill += sarry->sctps_timoassockill; 743 sb.sctps_timoinpkill += sarry->sctps_timoinpkill; 744 sb.sctps_earlyfrstart += sarry->sctps_earlyfrstart; 745 sb.sctps_earlyfrstop += sarry->sctps_earlyfrstop; 746 sb.sctps_earlyfrmrkretrans += sarry->sctps_earlyfrmrkretrans; 747 sb.sctps_earlyfrstpout += sarry->sctps_earlyfrstpout; 748 sb.sctps_earlyfrstpidsck1 += sarry->sctps_earlyfrstpidsck1; 749 sb.sctps_earlyfrstpidsck2 += sarry->sctps_earlyfrstpidsck2; 750 sb.sctps_earlyfrstpidsck3 += sarry->sctps_earlyfrstpidsck3; 751 sb.sctps_earlyfrstpidsck4 += sarry->sctps_earlyfrstpidsck4; 752 sb.sctps_earlyfrstrid += sarry->sctps_earlyfrstrid; 753 sb.sctps_earlyfrstrout += sarry->sctps_earlyfrstrout; 754 sb.sctps_earlyfrstrtmr += sarry->sctps_earlyfrstrtmr; 755 sb.sctps_hdrops += sarry->sctps_hdrops; 756 sb.sctps_badsum += sarry->sctps_badsum; 757 sb.sctps_noport += sarry->sctps_noport; 758 sb.sctps_badvtag += sarry->sctps_badvtag; 759 sb.sctps_badsid += sarry->sctps_badsid; 760 sb.sctps_nomem += sarry->sctps_nomem; 761 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; 762 sb.sctps_markedretrans += sarry->sctps_markedretrans; 763 sb.sctps_naglesent += sarry->sctps_naglesent; 764 sb.sctps_naglequeued += sarry->sctps_naglequeued; 765 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; 766 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; 767 sb.sctps_windowprobed += sarry->sctps_windowprobed; 768 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; 769 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; 770 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; 771 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; 772 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; 773 sb.sctps_vtagexpress += sarry->sctps_vtagexpress; 774 sb.sctps_vtagbogus += sarry->sctps_vtagbogus; 775 sb.sctps_primary_randry += sarry->sctps_primary_randry; 776 sb.sctps_cmt_randry += sarry->sctps_cmt_randry; 777 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; 778 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; 779 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; 780 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; 781 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; 782 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; 783 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; 784 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; 785 sb.sctps_read_peeks += sarry->sctps_read_peeks; 786 sb.sctps_cached_chk += sarry->sctps_cached_chk; 787 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; 788 sb.sctps_left_abandon += sarry->sctps_left_abandon; 789 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; 790 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; 791 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; 792 } 793 error = SYSCTL_OUT(req, &sb, sizeof(sb)); 794 return (error); 795 } 796 797 #endif 798 799 #if defined(SCTP_LOCAL_TRACE_BUF) 800 static int 801 sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS) 802 { 803 int error = 0; 804 805 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 806 return (error); 807 } 808 809 #endif 810 811 812 /* 813 * sysctl definitions 814 */ 815 816 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_UINT | CTLFLAG_RW, 817 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU", 818 SCTPCTL_MAXDGRAM_DESC); 819 820 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_UINT | CTLFLAG_RW, 821 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU", 822 SCTPCTL_RECVSPACE_DESC); 823 824 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_UINT | CTLFLAG_RW, 825 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU", 826 SCTPCTL_AUTOASCONF_DESC); 827 828 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_UINT | CTLFLAG_RW, 829 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU", 830 SCTPCTL_ECN_ENABLE_DESC); 831 832 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_nonce, CTLTYPE_UINT | CTLFLAG_RW, 833 &SCTP_BASE_SYSCTL(sctp_ecn_nonce), 0, sysctl_sctp_check, "IU", 834 SCTPCTL_ECN_NONCE_DESC); 835 836 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_UINT | CTLFLAG_RW, 837 &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU", 838 SCTPCTL_STRICT_SACKS_DESC); 839 840 #if !defined(SCTP_WITH_NO_CSUM) 841 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLTYPE_UINT | CTLFLAG_RW, 842 &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sysctl_sctp_check, "IU", 843 SCTPCTL_LOOPBACK_NOCSUM_DESC); 844 #endif 845 846 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_init, CTLTYPE_UINT | CTLFLAG_RW, 847 &SCTP_BASE_SYSCTL(sctp_strict_init), 0, sysctl_sctp_check, "IU", 848 SCTPCTL_STRICT_INIT_DESC); 849 850 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_UINT | CTLFLAG_RW, 851 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU", 852 SCTPCTL_PEER_CHKOH_DESC); 853 854 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_UINT | CTLFLAG_RW, 855 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU", 856 SCTPCTL_MAXBURST_DESC); 857 858 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_UINT | CTLFLAG_RW, 859 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU", 860 SCTPCTL_MAXCHUNKS_DESC); 861 862 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_UINT | CTLFLAG_RW, 863 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU", 864 SCTPCTL_TCBHASHSIZE_DESC); 865 866 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_UINT | CTLFLAG_RW, 867 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU", 868 SCTPCTL_PCBHASHSIZE_DESC); 869 870 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_UINT | CTLFLAG_RW, 871 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU", 872 SCTPCTL_MIN_SPLIT_POINT_DESC); 873 874 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_UINT | CTLFLAG_RW, 875 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU", 876 SCTPCTL_CHUNKSCALE_DESC); 877 878 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_UINT | CTLFLAG_RW, 879 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU", 880 SCTPCTL_DELAYED_SACK_TIME_DESC); 881 882 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_UINT | CTLFLAG_RW, 883 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU", 884 SCTPCTL_SACK_FREQ_DESC); 885 886 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_UINT | CTLFLAG_RW, 887 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU", 888 SCTPCTL_SYS_RESOURCE_DESC); 889 890 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_UINT | CTLFLAG_RW, 891 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU", 892 SCTPCTL_ASOC_RESOURCE_DESC); 893 894 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_UINT | CTLFLAG_RW, 895 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU", 896 SCTPCTL_HEARTBEAT_INTERVAL_DESC); 897 898 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_UINT | CTLFLAG_RW, 899 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU", 900 SCTPCTL_PMTU_RAISE_TIME_DESC); 901 902 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_UINT | CTLFLAG_RW, 903 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU", 904 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC); 905 906 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_UINT | CTLFLAG_RW, 907 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU", 908 SCTPCTL_SECRET_LIFETIME_DESC); 909 910 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_UINT | CTLFLAG_RW, 911 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU", 912 SCTPCTL_RTO_MAX_DESC); 913 914 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_UINT | CTLFLAG_RW, 915 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU", 916 SCTPCTL_RTO_MIN_DESC); 917 918 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_UINT | CTLFLAG_RW, 919 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU", 920 SCTPCTL_RTO_INITIAL_DESC); 921 922 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_UINT | CTLFLAG_RW, 923 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU", 924 SCTPCTL_INIT_RTO_MAX_DESC); 925 926 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_UINT | CTLFLAG_RW, 927 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU", 928 SCTPCTL_VALID_COOKIE_LIFE_DESC); 929 930 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_UINT | CTLFLAG_RW, 931 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU", 932 SCTPCTL_INIT_RTX_MAX_DESC); 933 934 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_UINT | CTLFLAG_RW, 935 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU", 936 SCTPCTL_ASSOC_RTX_MAX_DESC); 937 938 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_UINT | CTLFLAG_RW, 939 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU", 940 SCTPCTL_PATH_RTX_MAX_DESC); 941 942 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_UINT | CTLFLAG_RW, 943 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU", 944 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC); 945 946 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_UINT | CTLFLAG_RW, 947 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU", 948 SCTPCTL_OUTGOING_STREAMS_DESC); 949 950 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_UINT | CTLFLAG_RW, 951 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU", 952 SCTPCTL_CMT_ON_OFF_DESC); 953 954 /* EY */ 955 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nr_sack_on_off, CTLTYPE_UINT | CTLFLAG_RW, 956 &SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), 0, sysctl_sctp_check, "IU", 957 SCTPCTL_NR_SACK_ON_OFF_DESC); 958 959 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_UINT | CTLFLAG_RW, 960 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU", 961 SCTPCTL_CMT_USE_DAC_DESC); 962 963 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_pf, CTLTYPE_UINT | CTLFLAG_RW, 964 &SCTP_BASE_SYSCTL(sctp_cmt_pf), 0, sysctl_sctp_check, "IU", 965 SCTPCTL_CMT_PF_DESC); 966 967 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_UINT | CTLFLAG_RW, 968 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU", 969 SCTPCTL_CWND_MAXBURST_DESC); 970 971 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran, CTLTYPE_UINT | CTLFLAG_RW, 972 &SCTP_BASE_SYSCTL(sctp_early_fr), 0, sysctl_sctp_check, "IU", 973 SCTPCTL_EARLY_FAST_RETRAN_DESC); 974 975 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran_msec, CTLTYPE_UINT | CTLFLAG_RW, 976 &SCTP_BASE_SYSCTL(sctp_early_fr_msec), 0, sysctl_sctp_check, "IU", 977 SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC); 978 979 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLTYPE_UINT | CTLFLAG_RW, 980 &SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), 0, sysctl_sctp_check, "IU", 981 SCTPCTL_ASCONF_AUTH_NOCHK_DESC); 982 983 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_UINT | CTLFLAG_RW, 984 &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check, "IU", 985 SCTPCTL_AUTH_DISABLE_DESC); 986 987 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_UINT | CTLFLAG_RW, 988 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU", 989 SCTPCTL_NAT_FRIENDLY_DESC); 990 991 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_UINT | CTLFLAG_RW, 992 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU", 993 SCTPCTL_ABC_L_VAR_DESC); 994 995 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_UINT | CTLFLAG_RW, 996 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU", 997 SCTPCTL_MAX_CHAINED_MBUFS_DESC); 998 999 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_UINT | CTLFLAG_RW, 1000 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU", 1001 SCTPCTL_DO_SCTP_DRAIN_DESC); 1002 1003 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_UINT | CTLFLAG_RW, 1004 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU", 1005 SCTPCTL_HB_MAX_BURST_DESC); 1006 1007 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_UINT | CTLFLAG_RW, 1008 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU", 1009 SCTPCTL_ABORT_AT_LIMIT_DESC); 1010 1011 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_UINT | CTLFLAG_RW, 1012 &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU", 1013 SCTPCTL_STRICT_DATA_ORDER_DESC); 1014 1015 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_UINT | CTLFLAG_RW, 1016 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU", 1017 SCTPCTL_MIN_RESIDUAL_DESC); 1018 1019 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_UINT | CTLFLAG_RW, 1020 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU", 1021 SCTPCTL_MAX_RETRAN_CHUNK_DESC); 1022 1023 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_UINT | CTLFLAG_RW, 1024 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU", 1025 SCTPCTL_LOGGING_LEVEL_DESC); 1026 1027 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_UINT | CTLFLAG_RW, 1028 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU", 1029 SCTPCTL_DEFAULT_CC_MODULE_DESC); 1030 1031 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_ss_module, CTLTYPE_UINT | CTLFLAG_RW, 1032 &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sysctl_sctp_check, "IU", 1033 SCTPCTL_DEFAULT_SS_MODULE_DESC); 1034 1035 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_UINT | CTLFLAG_RW, 1036 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU", 1037 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC); 1038 1039 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_UINT | CTLFLAG_RW, 1040 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU", 1041 SCTPCTL_MOBILITY_BASE_DESC); 1042 1043 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_UINT | CTLFLAG_RW, 1044 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU", 1045 SCTPCTL_MOBILITY_FASTHANDOFF_DESC); 1046 1047 #if defined(SCTP_LOCAL_TRACE_BUF) 1048 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD, 1049 &SCTP_BASE_SYSCTL(sctp_log), sctp_log, 1050 "SCTP logging (struct sctp_log)"); 1051 1052 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_UINT | CTLFLAG_RW, 1053 &SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU", 1054 "Clear SCTP Logging buffer"); 1055 1056 1057 1058 #endif 1059 1060 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_for_client_enable, CTLTYPE_UINT | CTLFLAG_RW, 1061 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), 0, sysctl_sctp_check, "IU", 1062 SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC); 1063 1064 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_UINT | CTLFLAG_RW, 1065 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU", 1066 SCTPCTL_UDP_TUNNELING_PORT_DESC); 1067 1068 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_UINT | CTLFLAG_RW, 1069 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU", 1070 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC); 1071 1072 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly_init, CTLTYPE_UINT | CTLFLAG_RW, 1073 &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sysctl_sctp_check, "IU", 1074 SCTPCTL_NAT_FRIENDLY_INITS_DESC); 1075 1076 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, vtag_time_wait, CTLTYPE_UINT | CTLFLAG_RW, 1077 &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sysctl_sctp_check, "IU", 1078 SCTPCTL_TIME_WAIT_DESC); 1079 1080 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, buffer_splitting, CTLTYPE_UINT | CTLFLAG_RW, 1081 &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sysctl_sctp_check, "IU", 1082 SCTPCTL_BUFFER_SPLITTING_DESC); 1083 1084 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, initial_cwnd, CTLTYPE_UINT | CTLFLAG_RW, 1085 &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sysctl_sctp_check, "IU", 1086 SCTPCTL_INITIAL_CWND_DESC); 1087 1088 #ifdef SCTP_DEBUG 1089 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_UINT | CTLFLAG_RW, 1090 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU", 1091 SCTPCTL_DEBUG_DESC); 1092 #endif /* SCTP_DEBUG */ 1093 1094 1095 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 1096 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_UINT | CTLFLAG_RW, 1097 &SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU", 1098 SCTPCTL_OUTPUT_UNLOCKED_DESC); 1099 #endif 1100 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 1101 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, 1102 CTLTYPE_STRUCT | CTLFLAG_RD, 1103 0, 0, sysctl_stat_get, "S,sctpstat", 1104 "SCTP statistics (struct sctp_stat)"); 1105 #else 1106 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW, 1107 &SCTP_BASE_STATS_SYSCTL, sctpstat, 1108 "SCTP statistics (struct sctp_stat)"); 1109 #endif 1110 1111 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLTYPE_OPAQUE | CTLFLAG_RD, 1112 0, 0, sctp_assoclist, 1113 "S,xassoc", "List of active SCTP associations"); 1114