1167598Srrs/*- 2169382Srrs * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. 3235828Stuexen * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 4235828Stuexen * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 5167598Srrs * 6167598Srrs * Redistribution and use in source and binary forms, with or without 7167598Srrs * modification, are permitted provided that the following conditions are met: 8167598Srrs * 9167598Srrs * a) Redistributions of source code must retain the above copyright notice, 10228653Stuexen * this list of conditions and the following disclaimer. 11167598Srrs * 12167598Srrs * b) Redistributions in binary form must reproduce the above copyright 13167598Srrs * notice, this list of conditions and the following disclaimer in 14228653Stuexen * the documentation and/or other materials provided with the distribution. 15167598Srrs * 16167598Srrs * c) Neither the name of Cisco Systems, Inc. nor the names of its 17167598Srrs * contributors may be used to endorse or promote products derived 18167598Srrs * from this software without specific prior written permission. 19167598Srrs * 20167598Srrs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21167598Srrs * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22167598Srrs * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23167598Srrs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24167598Srrs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25167598Srrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26167598Srrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27167598Srrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28167598Srrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29167598Srrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30167598Srrs * THE POSSIBILITY OF SUCH DAMAGE. 31167598Srrs */ 32167598Srrs 33167598Srrs#include <sys/cdefs.h> 34167598Srrs__FBSDID("$FreeBSD: releng/10.3/sys/netinet/sctp_sysctl.c 294149 2016-01-16 14:41:44Z tuexen $"); 35167598Srrs 36167598Srrs#include <netinet/sctp_os.h> 37179783Srrs#include <netinet/sctp.h> 38167598Srrs#include <netinet/sctp_constants.h> 39167598Srrs#include <netinet/sctp_sysctl.h> 40167598Srrs#include <netinet/sctp_pcb.h> 41167598Srrs#include <netinet/sctputil.h> 42170056Srrs#include <netinet/sctp_output.h> 43205629Srrs#include <sys/smp.h> 44271746Stuexen#include <sys/sysctl.h> 45179783Srrs 46271746StuexenFEATURE(sctp, "Stream Control Transmission Protocol"); 47271746Stuexen 48167598Srrs/* 49167598Srrs * sysctl tunable variables 50167598Srrs */ 51167598Srrs 52179783Srrsvoid 53179783Srrssctp_init_sysctls() 54179783Srrs{ 55179783Srrs SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; 56179783Srrs SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; 57179783Srrs SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; 58179783Srrs SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; 59179783Srrs SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; 60270357Stuexen SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT; 61270362Stuexen SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_DEFAULT; 62270362Stuexen SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT; 63270361Stuexen SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT; 64270359Stuexen SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT; 65270360Stuexen SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT; 66179783Srrs SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT; 67179783Srrs SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; 68179783Srrs SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; 69218186Srrs SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT; 70179783Srrs SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; 71179783Srrs SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; 72179783Srrs SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; 73179783Srrs SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; 74179783Srrs SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; 75179783Srrs SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT; 76179783Srrs SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; 77179783Srrs SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; 78179783Srrs SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; 79179783Srrs SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT; 80179783Srrs SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; 81179783Srrs SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT; 82179783Srrs SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; 83179783Srrs SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; 84179783Srrs SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; 85179783Srrs SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; 86179783Srrs SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; 87179783Srrs SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT; 88179783Srrs SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; 89179783Srrs SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; 90179783Srrs SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; 91224641Stuexen SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT; 92179783Srrs SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; 93252779Stuexen SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT; 94179783Srrs SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT; 95179783Srrs SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; 96179783Srrs SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; 97179783Srrs SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; 98179783Srrs SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; 99179783Srrs SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; 100179783Srrs SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; 101179783Srrs SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; 102179783Srrs SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; 103179783Srrs SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT; 104179783Srrs SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT; 105179783Srrs SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; 106179783Srrs SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; 107179783Srrs SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; 108179783Srrs SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; 109217760Stuexen SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT; 110179783Srrs SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT; 111179783Srrs SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; 112179783Srrs SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT; 113193090Srrs SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; 114212799Stuexen SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT; 115212800Stuexen SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT; 116219057Srrs SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT; 117219057Srrs SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT; 118219057Srrs SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT; 119219397Srrs SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT; 120219397Srrs SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT; 121229805Stuexen SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT; 122267723Stuexen SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT; 123172157Srrs#if defined(SCTP_LOCAL_TRACE_BUF) 124179783Srrs memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 125172157Srrs#endif 126179783Srrs SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; 127179783Srrs SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT; 128195919Stuexen SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT; 129179783Srrs#if defined(SCTP_DEBUG) 130179783Srrs SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; 131167598Srrs#endif 132179783Srrs#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 133179783Srrs SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; 134179783Srrs#endif 135179783Srrs} 136167598Srrs 137188067Srrs 138170056Srrs/* It returns an upper limit. No filtering is done here */ 139170056Srrsstatic unsigned int 140271746Stuexensctp_sysctl_number_of_addresses(struct sctp_inpcb *inp) 141170056Srrs{ 142228653Stuexen unsigned int cnt; 143170056Srrs struct sctp_vrf *vrf; 144170056Srrs struct sctp_ifn *sctp_ifn; 145170056Srrs struct sctp_ifa *sctp_ifa; 146170056Srrs struct sctp_laddr *laddr; 147170056Srrs 148170056Srrs cnt = 0; 149170056Srrs /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 150170056Srrs if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 151170056Srrs return (0); 152170056Srrs } 153170056Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 154170056Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 155170056Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 156221249Stuexen switch (sctp_ifa->address.sa.sa_family) { 157221249Stuexen#ifdef INET 158221249Stuexen case AF_INET: 159221249Stuexen#endif 160221249Stuexen#ifdef INET6 161221249Stuexen case AF_INET6: 162221249Stuexen#endif 163170056Srrs cnt++; 164221249Stuexen break; 165221249Stuexen default: 166221249Stuexen break; 167170056Srrs } 168170056Srrs } 169170056Srrs } 170170056Srrs } else { 171170056Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 172221249Stuexen switch (laddr->ifa->address.sa.sa_family) { 173221249Stuexen#ifdef INET 174221249Stuexen case AF_INET: 175221249Stuexen#endif 176221249Stuexen#ifdef INET6 177221249Stuexen case AF_INET6: 178221249Stuexen#endif 179170056Srrs cnt++; 180221249Stuexen break; 181221249Stuexen default: 182221249Stuexen break; 183170056Srrs } 184170056Srrs } 185170056Srrs } 186170056Srrs return (cnt); 187170056Srrs} 188170056Srrs 189170056Srrsstatic int 190271746Stuexensctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req) 191170056Srrs{ 192170056Srrs struct sctp_ifn *sctp_ifn; 193170056Srrs struct sctp_ifa *sctp_ifa; 194170056Srrs int loopback_scope, ipv4_local_scope, local_scope, site_scope; 195170056Srrs int ipv4_addr_legal, ipv6_addr_legal; 196170056Srrs struct sctp_vrf *vrf; 197170056Srrs struct xsctp_laddr xladdr; 198170056Srrs struct sctp_laddr *laddr; 199170056Srrs int error; 200170056Srrs 201170056Srrs /* Turn on all the appropriate scope */ 202170056Srrs if (stcb) { 203170056Srrs /* use association specific values */ 204246595Stuexen loopback_scope = stcb->asoc.scope.loopback_scope; 205246595Stuexen ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 206246595Stuexen local_scope = stcb->asoc.scope.local_scope; 207246595Stuexen site_scope = stcb->asoc.scope.site_scope; 208246595Stuexen ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 209246595Stuexen ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 210170056Srrs } else { 211246595Stuexen /* Use generic values for endpoints. */ 212170056Srrs loopback_scope = 1; 213170056Srrs ipv4_local_scope = 1; 214170056Srrs local_scope = 1; 215170056Srrs site_scope = 1; 216246595Stuexen if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 217246595Stuexen ipv6_addr_legal = 1; 218246595Stuexen if (SCTP_IPV6_V6ONLY(inp)) { 219246595Stuexen ipv4_addr_legal = 0; 220246595Stuexen } else { 221246595Stuexen ipv4_addr_legal = 1; 222246595Stuexen } 223170056Srrs } else { 224246595Stuexen ipv6_addr_legal = 0; 225170056Srrs ipv4_addr_legal = 1; 226170056Srrs } 227170056Srrs } 228170056Srrs 229170056Srrs /* neither Mac OS X nor FreeBSD support mulitple routing functions */ 230170056Srrs if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { 231170354Srrs SCTP_INP_RUNLOCK(inp); 232170354Srrs SCTP_INP_INFO_RUNLOCK(); 233170056Srrs return (-1); 234170056Srrs } 235170056Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 236170056Srrs LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 237170056Srrs if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) 238170056Srrs /* Skip loopback if loopback_scope not set */ 239170056Srrs continue; 240170056Srrs LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 241170056Srrs if (stcb) { 242170056Srrs /* 243170056Srrs * ignore if blacklisted at 244170056Srrs * association level 245170056Srrs */ 246170056Srrs if (sctp_is_addr_restricted(stcb, sctp_ifa)) 247170056Srrs continue; 248170056Srrs } 249178251Srrs switch (sctp_ifa->address.sa.sa_family) { 250221249Stuexen#ifdef INET 251178251Srrs case AF_INET: 252178251Srrs if (ipv4_addr_legal) { 253178251Srrs struct sockaddr_in *sin; 254170056Srrs 255271746Stuexen sin = &sctp_ifa->address.sin; 256178251Srrs if (sin->sin_addr.s_addr == 0) 257178251Srrs continue; 258267769Stuexen if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 259267769Stuexen &sin->sin_addr) != 0) { 260267769Stuexen continue; 261267769Stuexen } 262178251Srrs if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) 263178251Srrs continue; 264178251Srrs } else { 265170056Srrs continue; 266178251Srrs } 267178251Srrs break; 268221249Stuexen#endif 269178251Srrs#ifdef INET6 270178251Srrs case AF_INET6: 271178251Srrs if (ipv6_addr_legal) { 272178251Srrs struct sockaddr_in6 *sin6; 273170056Srrs 274271746Stuexen sin6 = &sctp_ifa->address.sin6; 275178251Srrs if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) 276170056Srrs continue; 277267769Stuexen if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 278267769Stuexen &sin6->sin6_addr) != 0) { 279267769Stuexen continue; 280267769Stuexen } 281178251Srrs if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 282178251Srrs if (local_scope == 0) 283170056Srrs continue; 284178251Srrs if (sin6->sin6_scope_id == 0) { 285178251Srrs /* 286178251Srrs * bad link 287178251Srrs * local 288178251Srrs * address 289178251Srrs */ 290178251Srrs if (sa6_recoverscope(sin6) != 0) 291178251Srrs continue; 292178251Srrs } 293170056Srrs } 294178251Srrs if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) 295178251Srrs continue; 296178251Srrs } else { 297178251Srrs continue; 298170056Srrs } 299178251Srrs break; 300178251Srrs#endif 301178251Srrs default: 302170056Srrs continue; 303178251Srrs } 304172091Srrs memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 305170056Srrs memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); 306170056Srrs SCTP_INP_RUNLOCK(inp); 307170056Srrs SCTP_INP_INFO_RUNLOCK(); 308170056Srrs error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 309172091Srrs if (error) { 310170056Srrs return (error); 311172091Srrs } else { 312170056Srrs SCTP_INP_INFO_RLOCK(); 313170056Srrs SCTP_INP_RLOCK(inp); 314170056Srrs } 315170056Srrs } 316170056Srrs } 317170056Srrs } else { 318170056Srrs LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 319170056Srrs /* ignore if blacklisted at association level */ 320170056Srrs if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa)) 321170056Srrs continue; 322172091Srrs memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 323170056Srrs memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); 324172091Srrs xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec; 325172091Srrs xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec; 326170056Srrs SCTP_INP_RUNLOCK(inp); 327170056Srrs SCTP_INP_INFO_RUNLOCK(); 328170056Srrs error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 329172091Srrs if (error) { 330170056Srrs return (error); 331172091Srrs } else { 332170056Srrs SCTP_INP_INFO_RLOCK(); 333170056Srrs SCTP_INP_RLOCK(inp); 334170056Srrs } 335170056Srrs } 336170056Srrs } 337172091Srrs memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); 338170056Srrs xladdr.last = 1; 339170354Srrs SCTP_INP_RUNLOCK(inp); 340170354Srrs SCTP_INP_INFO_RUNLOCK(); 341170056Srrs error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); 342170354Srrs 343172091Srrs if (error) { 344170056Srrs return (error); 345172091Srrs } else { 346170354Srrs SCTP_INP_INFO_RLOCK(); 347170354Srrs SCTP_INP_RLOCK(inp); 348170056Srrs return (0); 349170354Srrs } 350170056Srrs} 351170056Srrs 352167598Srrs/* 353167598Srrs * sysctl functions 354167598Srrs */ 355167598Srrsstatic int 356271746Stuexensctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS) 357167598Srrs{ 358167598Srrs unsigned int number_of_endpoints; 359167598Srrs unsigned int number_of_local_addresses; 360167598Srrs unsigned int number_of_associations; 361167598Srrs unsigned int number_of_remote_addresses; 362167598Srrs unsigned int n; 363167598Srrs int error; 364167598Srrs struct sctp_inpcb *inp; 365167598Srrs struct sctp_tcb *stcb; 366167598Srrs struct sctp_nets *net; 367167598Srrs struct xsctp_inpcb xinpcb; 368167598Srrs struct xsctp_tcb xstcb; 369167598Srrs struct xsctp_raddr xraddr; 370208879Srrs struct socket *so; 371167598Srrs 372167598Srrs number_of_endpoints = 0; 373167598Srrs number_of_local_addresses = 0; 374167598Srrs number_of_associations = 0; 375167598Srrs number_of_remote_addresses = 0; 376167598Srrs 377167598Srrs SCTP_INP_INFO_RLOCK(); 378271746Stuexen if (req->oldptr == NULL) { 379179783Srrs LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 380167598Srrs SCTP_INP_RLOCK(inp); 381167598Srrs number_of_endpoints++; 382271746Stuexen number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 383167598Srrs LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 384167598Srrs number_of_associations++; 385271746Stuexen number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); 386167598Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 387167598Srrs number_of_remote_addresses++; 388167598Srrs } 389167598Srrs } 390167598Srrs SCTP_INP_RUNLOCK(inp); 391167598Srrs } 392167598Srrs SCTP_INP_INFO_RUNLOCK(); 393167598Srrs n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + 394170056Srrs (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) + 395170056Srrs (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + 396170056Srrs (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); 397170056Srrs 398167598Srrs /* request some more memory than needed */ 399167598Srrs req->oldidx = (n + n / 8); 400228907Stuexen return (0); 401167598Srrs } 402271746Stuexen if (req->newptr != NULL) { 403167598Srrs SCTP_INP_INFO_RUNLOCK(); 404171943Srrs SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); 405228907Stuexen return (EPERM); 406167598Srrs } 407179783Srrs LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { 408167598Srrs SCTP_INP_RLOCK(inp); 409208879Srrs if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) { 410208879Srrs /* if its allgone it is being freed - skip it */ 411208879Srrs goto skip; 412208879Srrs } 413167598Srrs xinpcb.last = 0; 414167598Srrs xinpcb.local_port = ntohs(inp->sctp_lport); 415167598Srrs xinpcb.flags = inp->sctp_flags; 416254672Stuexen xinpcb.features = inp->sctp_features; 417167598Srrs xinpcb.total_sends = inp->total_sends; 418167598Srrs xinpcb.total_recvs = inp->total_recvs; 419167598Srrs xinpcb.total_nospaces = inp->total_nospaces; 420169352Srrs xinpcb.fragmentation_point = inp->sctp_frag_point; 421284150Stuexen xinpcb.socket = inp->sctp_socket; 422208879Srrs so = inp->sctp_socket; 423208879Srrs if ((so == NULL) || 424172091Srrs (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 425172091Srrs xinpcb.qlen = 0; 426172091Srrs xinpcb.maxqlen = 0; 427172091Srrs } else { 428208879Srrs xinpcb.qlen = so->so_qlen; 429208879Srrs xinpcb.maxqlen = so->so_qlimit; 430172091Srrs } 431167598Srrs SCTP_INP_INCR_REF(inp); 432167598Srrs SCTP_INP_RUNLOCK(inp); 433167598Srrs SCTP_INP_INFO_RUNLOCK(); 434167598Srrs error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 435167598Srrs if (error) { 436170056Srrs SCTP_INP_DECR_REF(inp); 437228907Stuexen return (error); 438167598Srrs } 439167598Srrs SCTP_INP_INFO_RLOCK(); 440167598Srrs SCTP_INP_RLOCK(inp); 441271746Stuexen error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req); 442170056Srrs if (error) { 443170056Srrs SCTP_INP_DECR_REF(inp); 444228907Stuexen return (error); 445170056Srrs } 446167598Srrs LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 447167598Srrs SCTP_TCB_LOCK(stcb); 448167598Srrs atomic_add_int(&stcb->asoc.refcnt, 1); 449167598Srrs SCTP_TCB_UNLOCK(stcb); 450170056Srrs xstcb.last = 0; 451170056Srrs xstcb.local_port = ntohs(inp->sctp_lport); 452170056Srrs xstcb.remote_port = ntohs(stcb->rport); 453167598Srrs if (stcb->asoc.primary_destination != NULL) 454170056Srrs xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; 455170056Srrs xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; 456294149Stuexen xstcb.state = (uint32_t) sctp_map_assoc_state(stcb->asoc.state); 457188577Srrs /* 7.0 does not support these */ 458188067Srrs xstcb.assoc_id = sctp_get_associd(stcb); 459188577Srrs xstcb.peers_rwnd = stcb->asoc.peers_rwnd; 460170056Srrs xstcb.in_streams = stcb->asoc.streamincnt; 461170056Srrs xstcb.out_streams = stcb->asoc.streamoutcnt; 462170056Srrs xstcb.max_nr_retrans = stcb->asoc.overall_error_count; 463170056Srrs xstcb.primary_process = 0; /* not really supported 464170056Srrs * yet */ 465170056Srrs xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; 466170056Srrs xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; 467170056Srrs xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; 468172091Srrs xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec; 469172091Srrs xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec; 470172091Srrs xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec; 471172091Srrs xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec; 472167598Srrs xstcb.total_sends = stcb->total_sends; 473167598Srrs xstcb.total_recvs = stcb->total_recvs; 474167598Srrs xstcb.local_tag = stcb->asoc.my_vtag; 475167598Srrs xstcb.remote_tag = stcb->asoc.peer_vtag; 476167598Srrs xstcb.initial_tsn = stcb->asoc.init_seq_number; 477167598Srrs xstcb.highest_tsn = stcb->asoc.sending_seq - 1; 478167598Srrs xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; 479167598Srrs xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; 480169352Srrs xstcb.mtu = stcb->asoc.smallest_mtu; 481170091Srrs xstcb.refcnt = stcb->asoc.refcnt; 482167598Srrs SCTP_INP_RUNLOCK(inp); 483167598Srrs SCTP_INP_INFO_RUNLOCK(); 484167598Srrs error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 485167598Srrs if (error) { 486170056Srrs SCTP_INP_DECR_REF(inp); 487172091Srrs atomic_subtract_int(&stcb->asoc.refcnt, 1); 488228907Stuexen return (error); 489167598Srrs } 490170056Srrs SCTP_INP_INFO_RLOCK(); 491170056Srrs SCTP_INP_RLOCK(inp); 492271746Stuexen error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req); 493170056Srrs if (error) { 494170056Srrs SCTP_INP_DECR_REF(inp); 495172091Srrs atomic_subtract_int(&stcb->asoc.refcnt, 1); 496228907Stuexen return (error); 497170056Srrs } 498167598Srrs TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 499170056Srrs xraddr.last = 0; 500170056Srrs xraddr.address = net->ro._l_addr; 501170056Srrs xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); 502170056Srrs xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); 503170056Srrs xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); 504224641Stuexen xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF); 505170056Srrs xraddr.rto = net->RTO; 506170056Srrs xraddr.max_path_rtx = net->failure_threshold; 507170056Srrs xraddr.rtx = net->marked_retrans; 508170056Srrs xraddr.error_counter = net->error_count; 509170056Srrs xraddr.cwnd = net->cwnd; 510170056Srrs xraddr.flight_size = net->flight_size; 511170056Srrs xraddr.mtu = net->mtu; 512219013Stuexen xraddr.rtt = net->rtt / 1000; 513224641Stuexen xraddr.heartbeat_interval = net->heart_beat_delay; 514294139Stuexen xraddr.ssthresh = net->ssthresh; 515172091Srrs xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec; 516172091Srrs xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec; 517170056Srrs SCTP_INP_RUNLOCK(inp); 518170056Srrs SCTP_INP_INFO_RUNLOCK(); 519167598Srrs error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 520167598Srrs if (error) { 521170056Srrs SCTP_INP_DECR_REF(inp); 522172091Srrs atomic_subtract_int(&stcb->asoc.refcnt, 1); 523228907Stuexen return (error); 524167598Srrs } 525170056Srrs SCTP_INP_INFO_RLOCK(); 526170056Srrs SCTP_INP_RLOCK(inp); 527167598Srrs } 528172091Srrs atomic_subtract_int(&stcb->asoc.refcnt, 1); 529170056Srrs memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); 530170056Srrs xraddr.last = 1; 531170056Srrs SCTP_INP_RUNLOCK(inp); 532170056Srrs SCTP_INP_INFO_RUNLOCK(); 533170056Srrs error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); 534170056Srrs if (error) { 535170056Srrs SCTP_INP_DECR_REF(inp); 536228907Stuexen return (error); 537170056Srrs } 538167598Srrs SCTP_INP_INFO_RLOCK(); 539167598Srrs SCTP_INP_RLOCK(inp); 540167598Srrs } 541172091Srrs SCTP_INP_DECR_REF(inp); 542170056Srrs SCTP_INP_RUNLOCK(inp); 543170056Srrs SCTP_INP_INFO_RUNLOCK(); 544170056Srrs memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); 545170056Srrs xstcb.last = 1; 546170056Srrs error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); 547170056Srrs if (error) { 548228907Stuexen return (error); 549170056Srrs } 550208879Srrsskip: 551170056Srrs SCTP_INP_INFO_RLOCK(); 552167598Srrs } 553167598Srrs SCTP_INP_INFO_RUNLOCK(); 554167598Srrs 555170056Srrs memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); 556167598Srrs xinpcb.last = 1; 557167598Srrs error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); 558228907Stuexen return (error); 559167598Srrs} 560167598Srrs 561172091Srrsstatic int 562271746Stuexensctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS) 563179157Srrs{ 564179157Srrs int error; 565271746Stuexen uint32_t old, new; 566179157Srrs 567188100Srrs SCTP_INP_INFO_RLOCK(); 568271746Stuexen old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); 569188100Srrs SCTP_INP_INFO_RUNLOCK(); 570271746Stuexen new = old; 571271746Stuexen error = sysctl_handle_int(oidp, &new, 0, req); 572271746Stuexen if ((error == 0) && 573271746Stuexen (req->newptr != NULL)) { 574283721Stuexen#if (SCTPCTL_UDP_TUNNELING_PORT_MIN == 0) 575283721Stuexen if (new > SCTPCTL_UDP_TUNNELING_PORT_MAX) { 576283721Stuexen#else 577271746Stuexen if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) || 578271746Stuexen (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) { 579283721Stuexen#endif 580271746Stuexen error = EINVAL; 581271746Stuexen } else { 582271746Stuexen SCTP_INP_INFO_WLOCK(); 583271746Stuexen SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new; 584271746Stuexen if (old != 0) { 585271746Stuexen sctp_over_udp_stop(); 586179157Srrs } 587271746Stuexen if (new != 0) { 588271746Stuexen error = sctp_over_udp_start(); 589271746Stuexen } 590271746Stuexen SCTP_INP_INFO_WUNLOCK(); 591179157Srrs } 592179157Srrs } 593179157Srrs return (error); 594179157Srrs} 595179157Srrs 596179783Srrs 597179157Srrsstatic int 598271746Stuexensctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS) 599172091Srrs{ 600172091Srrs int error; 601271746Stuexen uint32_t new; 602172091Srrs 603271746Stuexen new = SCTP_BASE_SYSCTL(sctp_auth_disable); 604271746Stuexen error = sysctl_handle_int(oidp, &new, 0, req); 605271746Stuexen if ((error == 0) && 606271746Stuexen (req->newptr != NULL)) { 607283721Stuexen#if (SCTPCTL_AUTH_DISABLE_MIN ==0) 608283721Stuexen if ((new > SCTPCTL_AUTH_DISABLE_MAX) || 609283721Stuexen ((new == 1) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 610283721Stuexen#else 611271746Stuexen if ((new < SCTPCTL_AUTH_DISABLE_MIN) || 612271746Stuexen (new > SCTPCTL_AUTH_DISABLE_MAX) || 613271746Stuexen ((new == 1) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { 614283721Stuexen#endif 615271746Stuexen error = EINVAL; 616271746Stuexen } else { 617271746Stuexen SCTP_BASE_SYSCTL(sctp_auth_disable) = new; 618271746Stuexen } 619172091Srrs } 620172091Srrs return (error); 621172091Srrs} 622172091Srrs 623270362Stuexenstatic int 624271746Stuexensctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS) 625270362Stuexen{ 626270362Stuexen int error; 627271746Stuexen uint32_t new; 628270362Stuexen 629271746Stuexen new = SCTP_BASE_SYSCTL(sctp_asconf_enable); 630271746Stuexen error = sysctl_handle_int(oidp, &new, 0, req); 631271746Stuexen if ((error == 0) && 632271746Stuexen (req->newptr != NULL)) { 633283721Stuexen#if (SCTPCTL_ASCONF_ENABLE_MIN == 0) 634283721Stuexen if ((new > SCTPCTL_ASCONF_ENABLE_MAX) || 635283721Stuexen ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_disable) == 1))) { 636283721Stuexen#else 637271746Stuexen if ((new < SCTPCTL_ASCONF_ENABLE_MIN) || 638271746Stuexen (new > SCTPCTL_ASCONF_ENABLE_MAX) || 639271746Stuexen ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_disable) == 1))) { 640283721Stuexen#endif 641271746Stuexen error = EINVAL; 642271746Stuexen } else { 643271746Stuexen SCTP_BASE_SYSCTL(sctp_asconf_enable) = new; 644270362Stuexen } 645270362Stuexen } 646270362Stuexen return (error); 647270362Stuexen} 648270362Stuexen 649270362Stuexenstatic int 650271746Stuexensctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS) 651270362Stuexen{ 652270362Stuexen int error; 653270362Stuexen 654271746Stuexen#if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 655273847Shselasky struct sctpstat *sarry; 656273847Shselasky struct sctpstat sb; 657271746Stuexen int cpu; 658283698Stuexen 659271746Stuexen#endif 660283698Stuexen struct sctpstat sb_temp; 661179783Srrs 662271746Stuexen if ((req->newptr != NULL) && 663271746Stuexen (req->newlen != sizeof(struct sctpstat))) { 664218219Srrs return (EINVAL); 665218219Srrs } 666283698Stuexen memset(&sb_temp, 0, sizeof(struct sctpstat)); 667273847Shselasky 668273847Shselasky if (req->newptr != NULL) { 669283698Stuexen error = SYSCTL_IN(req, &sb_temp, sizeof(struct sctpstat)); 670283698Stuexen if (error != 0) { 671273847Shselasky return (error); 672283698Stuexen } 673273847Shselasky } 674283698Stuexen#if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) 675283698Stuexen memset(&sb, 0, sizeof(sb)); 676218232Srrs for (cpu = 0; cpu < mp_maxid; cpu++) { 677205629Srrs sarry = &SCTP_BASE_STATS[cpu]; 678205629Srrs if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { 679205629Srrs sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; 680205629Srrs sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; 681205629Srrs } 682205629Srrs sb.sctps_currestab += sarry->sctps_currestab; 683205629Srrs sb.sctps_activeestab += sarry->sctps_activeestab; 684205629Srrs sb.sctps_restartestab += sarry->sctps_restartestab; 685205629Srrs sb.sctps_collisionestab += sarry->sctps_collisionestab; 686205629Srrs sb.sctps_passiveestab += sarry->sctps_passiveestab; 687205629Srrs sb.sctps_aborted += sarry->sctps_aborted; 688205629Srrs sb.sctps_shutdown += sarry->sctps_shutdown; 689205629Srrs sb.sctps_outoftheblue += sarry->sctps_outoftheblue; 690205629Srrs sb.sctps_checksumerrors += sarry->sctps_checksumerrors; 691205629Srrs sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; 692205629Srrs sb.sctps_outorderchunks += sarry->sctps_outorderchunks; 693205629Srrs sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; 694205629Srrs sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; 695205629Srrs sb.sctps_inorderchunks += sarry->sctps_inorderchunks; 696205629Srrs sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; 697205629Srrs sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; 698205629Srrs sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; 699205629Srrs sb.sctps_outpackets += sarry->sctps_outpackets; 700205629Srrs sb.sctps_inpackets += sarry->sctps_inpackets; 701205629Srrs sb.sctps_recvpackets += sarry->sctps_recvpackets; 702205629Srrs sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; 703205629Srrs sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; 704205629Srrs sb.sctps_recvsacks += sarry->sctps_recvsacks; 705205629Srrs sb.sctps_recvdata += sarry->sctps_recvdata; 706205629Srrs sb.sctps_recvdupdata += sarry->sctps_recvdupdata; 707205629Srrs sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; 708205629Srrs sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; 709205629Srrs sb.sctps_recvecne += sarry->sctps_recvecne; 710205629Srrs sb.sctps_recvauth += sarry->sctps_recvauth; 711205629Srrs sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; 712205629Srrs sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; 713205629Srrs sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; 714205629Srrs sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; 715205629Srrs sb.sctps_recvexpress += sarry->sctps_recvexpress; 716205629Srrs sb.sctps_recvexpressm += sarry->sctps_recvexpressm; 717205629Srrs sb.sctps_recvnocrc += sarry->sctps_recvnocrc; 718205629Srrs sb.sctps_recvswcrc += sarry->sctps_recvswcrc; 719205629Srrs sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; 720205629Srrs sb.sctps_sendpackets += sarry->sctps_sendpackets; 721205629Srrs sb.sctps_sendsacks += sarry->sctps_sendsacks; 722205629Srrs sb.sctps_senddata += sarry->sctps_senddata; 723205629Srrs sb.sctps_sendretransdata += sarry->sctps_sendretransdata; 724205629Srrs sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; 725205629Srrs sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; 726205629Srrs sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; 727205629Srrs sb.sctps_sendecne += sarry->sctps_sendecne; 728205629Srrs sb.sctps_sendauth += sarry->sctps_sendauth; 729205629Srrs sb.sctps_senderrors += sarry->sctps_senderrors; 730205629Srrs sb.sctps_sendnocrc += sarry->sctps_sendnocrc; 731205629Srrs sb.sctps_sendswcrc += sarry->sctps_sendswcrc; 732205629Srrs sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; 733205629Srrs sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; 734205629Srrs sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; 735205629Srrs sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; 736205629Srrs sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; 737205629Srrs sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; 738205629Srrs sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; 739205629Srrs sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; 740205629Srrs sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; 741205629Srrs sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; 742205629Srrs sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; 743205629Srrs sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; 744205629Srrs sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; 745205629Srrs sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; 746205629Srrs sb.sctps_pdrpmark += sarry->sctps_pdrpmark; 747205629Srrs sb.sctps_timoiterator += sarry->sctps_timoiterator; 748205629Srrs sb.sctps_timodata += sarry->sctps_timodata; 749205629Srrs sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; 750205629Srrs sb.sctps_timoinit += sarry->sctps_timoinit; 751205629Srrs sb.sctps_timosack += sarry->sctps_timosack; 752205629Srrs sb.sctps_timoshutdown += sarry->sctps_timoshutdown; 753205629Srrs sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; 754205629Srrs sb.sctps_timocookie += sarry->sctps_timocookie; 755205629Srrs sb.sctps_timosecret += sarry->sctps_timosecret; 756205629Srrs sb.sctps_timopathmtu += sarry->sctps_timopathmtu; 757205629Srrs sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; 758205629Srrs sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; 759205629Srrs sb.sctps_timostrmrst += sarry->sctps_timostrmrst; 760205629Srrs sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; 761205629Srrs sb.sctps_timoasconf += sarry->sctps_timoasconf; 762205629Srrs sb.sctps_timodelprim += sarry->sctps_timodelprim; 763205629Srrs sb.sctps_timoautoclose += sarry->sctps_timoautoclose; 764205629Srrs sb.sctps_timoassockill += sarry->sctps_timoassockill; 765205629Srrs sb.sctps_timoinpkill += sarry->sctps_timoinpkill; 766205629Srrs sb.sctps_hdrops += sarry->sctps_hdrops; 767205629Srrs sb.sctps_badsum += sarry->sctps_badsum; 768205629Srrs sb.sctps_noport += sarry->sctps_noport; 769205629Srrs sb.sctps_badvtag += sarry->sctps_badvtag; 770205629Srrs sb.sctps_badsid += sarry->sctps_badsid; 771205629Srrs sb.sctps_nomem += sarry->sctps_nomem; 772205629Srrs sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; 773205629Srrs sb.sctps_markedretrans += sarry->sctps_markedretrans; 774205629Srrs sb.sctps_naglesent += sarry->sctps_naglesent; 775205629Srrs sb.sctps_naglequeued += sarry->sctps_naglequeued; 776205629Srrs sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; 777205629Srrs sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; 778205629Srrs sb.sctps_windowprobed += sarry->sctps_windowprobed; 779205629Srrs sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; 780205629Srrs sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; 781205629Srrs sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; 782205629Srrs sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; 783205629Srrs sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; 784205629Srrs sb.sctps_vtagexpress += sarry->sctps_vtagexpress; 785205629Srrs sb.sctps_vtagbogus += sarry->sctps_vtagbogus; 786205629Srrs sb.sctps_primary_randry += sarry->sctps_primary_randry; 787205629Srrs sb.sctps_cmt_randry += sarry->sctps_cmt_randry; 788205629Srrs sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; 789205629Srrs sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; 790205629Srrs sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; 791205629Srrs sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; 792205629Srrs sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; 793205629Srrs sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; 794205629Srrs sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; 795205629Srrs sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; 796205629Srrs sb.sctps_read_peeks += sarry->sctps_read_peeks; 797205629Srrs sb.sctps_cached_chk += sarry->sctps_cached_chk; 798205629Srrs sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; 799205629Srrs sb.sctps_left_abandon += sarry->sctps_left_abandon; 800205629Srrs sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; 801205629Srrs sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; 802205629Srrs sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; 803283698Stuexen if (req->newptr != NULL) { 804273847Shselasky memcpy(sarry, &sb_temp, sizeof(struct sctpstat)); 805283698Stuexen } 806205629Srrs } 807271746Stuexen error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat)); 808271746Stuexen#else 809283698Stuexen error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat)); 810283698Stuexen if (error != 0) { 811273847Shselasky return (error); 812283698Stuexen } 813283698Stuexen if (req->newptr != NULL) { 814283698Stuexen memcpy(&SCTP_BASE_STATS, &sb_temp, sizeof(struct sctpstat)); 815283698Stuexen } 816271746Stuexen#endif 817205629Srrs return (error); 818205629Srrs} 819179783Srrs 820179783Srrs#if defined(SCTP_LOCAL_TRACE_BUF) 821179783Srrsstatic int 822271746Stuexensctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS) 823179783Srrs{ 824271746Stuexen int error; 825271746Stuexen 826271746Stuexen error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log)); 827271746Stuexen return (error); 828271746Stuexen} 829271746Stuexen 830271746Stuexenstatic int 831271746Stuexensctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS) 832271746Stuexen{ 833188067Srrs int error = 0; 834188067Srrs 835179783Srrs memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); 836188067Srrs return (error); 837179783Srrs} 838179783Srrs 839179783Srrs#endif 840179783Srrs 841271746Stuexen#define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \ 842271746Stuexen static int \ 843271746Stuexen sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \ 844271746Stuexen { \ 845271746Stuexen int error; \ 846271746Stuexen uint32_t new; \ 847271746Stuexen \ 848271746Stuexen new = SCTP_BASE_SYSCTL(var_name); \ 849271746Stuexen error = sysctl_handle_int(oidp, &new, 0, req); \ 850271746Stuexen if ((error == 0) && (req->newptr != NULL)) { \ 851271746Stuexen if ((new < prefix##_MIN) || \ 852271746Stuexen (new > prefix##_MAX)) { \ 853271746Stuexen error = EINVAL; \ 854271746Stuexen } else { \ 855271746Stuexen SCTP_BASE_SYSCTL(var_name) = new; \ 856271746Stuexen } \ 857271746Stuexen } \ 858271746Stuexen return (error); \ 859271746Stuexen } \ 860271746Stuexen SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \ 861271746Stuexen CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \ 862271746Stuexen sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC); 863179783Srrs 864167598Srrs/* 865167598Srrs * sysctl definitions 866167598Srrs */ 867167598Srrs 868271746StuexenSCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM) 869271746StuexenSCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE) 870271746StuexenSCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF) 871271746StuexenSCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE) 872271746StuexenSCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE) 873271746StuexenSYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 874271746Stuexen NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_DISABLE_DESC); 875271746StuexenSYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 876271746Stuexen NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC); 877271746StuexenSCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE) 878271746StuexenSCTP_UINT_SYSCTL(nr_sack_on_off, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE) 879271746StuexenSCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE) 880271746StuexenSCTP_UINT_SYSCTL(strict_sacks, sctp_strict_sacks, SCTPCTL_STRICT_SACKS) 881271746StuexenSCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH) 882271746StuexenSCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST) 883271746StuexenSCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST) 884271746StuexenSCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS) 885271746StuexenSCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE) 886271746StuexenSCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE) 887271746StuexenSCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT) 888271746StuexenSCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE) 889271746StuexenSCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME) 890271746StuexenSCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ) 891271746StuexenSCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE) 892271746StuexenSCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE) 893271746StuexenSCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL) 894271746StuexenSCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME) 895271746StuexenSCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME) 896271746StuexenSCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME) 897271746StuexenSCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX) 898271746StuexenSCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN) 899271746StuexenSCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL) 900271746StuexenSCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX) 901271746StuexenSCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE) 902271746StuexenSCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX) 903271746StuexenSCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX) 904271746StuexenSCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX) 905271746StuexenSCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD) 906271746StuexenSCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT) 907271746StuexenSCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS) 908271746StuexenSCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS) 909271746StuexenSCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF) 910271746StuexenSCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC) 911271746StuexenSCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST) 912271746StuexenSCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY) 913271746StuexenSCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR) 914271746StuexenSCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS) 915271746StuexenSCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN) 916271746StuexenSCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST) 917271746StuexenSCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT) 918271746StuexenSCTP_UINT_SYSCTL(strict_data_order, sctp_strict_data_order, SCTPCTL_STRICT_DATA_ORDER) 919271746StuexenSCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL) 920271746StuexenSCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK) 921271746StuexenSCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL) 922271746StuexenSCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE) 923271746StuexenSCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE) 924271746StuexenSCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE) 925271746StuexenSCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE) 926271746StuexenSCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF) 927172157Srrs#if defined(SCTP_LOCAL_TRACE_BUF) 928271746StuexenSYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RD, 929271746Stuexen NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)"); 930271746StuexenSYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 931271746Stuexen NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer"); 932172157Srrs#endif 933271746StuexenSYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW, 934271746Stuexen NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC); 935271746StuexenSCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE) 936271746StuexenSCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS) 937271746StuexenSCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT) 938271746StuexenSCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING) 939271746StuexenSCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND) 940271746StuexenSCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW) 941271746StuexenSCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT) 942271746StuexenSCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET) 943271746StuexenSCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS) 944271746StuexenSCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN) 945271746StuexenSCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE) 946271746StuexenSCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE) 947167598Srrs#ifdef SCTP_DEBUG 948271746StuexenSCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG) 949218818Stuexen#endif 950237565Stuexen#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING) 951271746StuexenSCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED) 952179783Srrs#endif 953271746StuexenSYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RW, 954271746Stuexen NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)"); 955271746StuexenSYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET | CTLTYPE_OPAQUE | CTLFLAG_RD, 956271746Stuexen NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations"); 957