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Quelle sctp_sysctl.c Sprache: C |
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/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved. * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * a) Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * b) Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the distribution. * * c) Neither the name of Cisco Systems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include <netinet/sctp_os.h> #include <netinet/sctp.h> #include <netinet/sctp_constants.h> #include <netinet/sctp_sysctl.h> #include <netinet/sctp_pcb.h> #include <netinet/sctputil.h> #include <netinet/sctp_output.h> #if defined(__FreeBSD__) && !defined(__Userspace__) #include <sys/smp.h> #include <sys/sysctl.h> #endif #if defined(__APPLE__) && !defined(__Userspace__) #include <netinet/sctp_bsd_addr.h> #endif #if defined(__FreeBSD__) && !defined(__Userspace__) FEATURE(sctp, "Stream Control Transmission Protocol"); #endif /* * sysctl tunable variables */ void sctp_init_sysctls(void) { SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT; SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT; SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_auth_enable) = SCTPCTL_AUTH_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT; #if !(defined(__FreeBSD__) && !defined(__Userspace__)) SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT; #endif SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT; SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT; #if defined(__Userspace__) if (SCTP_BASE_SYSCTL(sctp_hashtblsize) == 0) { SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; } #else SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT; #endif #if defined(__Userspace__) if (SCTP_BASE_SYSCTL(sctp_pcbtblsize) == 0) { SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; } #else SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT; #endif SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT; #if defined(__Userspace__) if (SCTP_BASE_SYSCTL(sctp_chunkscale) == 0) { SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; } #else SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT; #endif SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAU SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT; SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT; SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT; SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEF SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT; SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_D SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT; SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT; SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT; SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT; SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT; SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAU SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT; SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT; SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT; SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT; SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT; SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFA SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFA SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT; SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT; SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT; SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT; SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT; SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT; SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT; SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT; SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFA SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT; SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT; SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT; SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT; SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT; SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_D SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT; SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT; SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT; SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT; SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT; SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT; SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT; SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT; SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT; SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_sendall_limit) = SCTPCTL_SENDALL_LIMIT_DEFAULT; SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT; SCTP_BASE_SYSCTL(sctp_ootb_with_zero_cksum) = SCTPCTL_OOTB_WITH_ZERO_CKSUM_DEFAULT #if defined(SCTP_LOCAL_TRACE_BUF) #if defined(_WIN32) && !defined(__Userspace__) /* On Windows, the resource for global variables is limited. */ MALLOC(SCTP_BASE_SYSCTL(sctp_log), struct sctp_log *, sizeof(struct sctp_log), M_SYSCT #else memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); #endif #endif SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT; SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_D SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEF #if defined(SCTP_DEBUG) SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT; #endif #if defined(__APPLE__) && !defined(__Userspace__) SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = SCTPCTL_IGNORE_VMWARE_INTERFACES SCTP_BASE_SYSCTL(sctp_main_timer) = SCTPCTL_MAIN_TIMER_DEFAULT; SCTP_BASE_SYSCTL(sctp_addr_watchdog_limit) = SCTPCTL_ADDR_WATCHDOG_LIMIT_DEFAULT; SCTP_BASE_SYSCTL(sctp_vtag_watchdog_limit) = SCTPCTL_VTAG_WATCHDOG_LIMIT_DEFAULT; #endif #if defined(__APPLE__) && !defined(__Userspace__) SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT; #endif } #if defined(_WIN32) && !defined(__Userspace__) void sctp_finish_sysctls() { #if defined(SCTP_LOCAL_TRACE_BUF) if (SCTP_BASE_SYSCTL(sctp_log) != NULL) { FREE(SCTP_BASE_SYSCTL(sctp_log), M_SYSCTL); SCTP_BASE_SYSCTL(sctp_log) = NULL; } #endif } #endif #if !defined(__Userspace__) /* It returns an upper limit. No filtering is done here */ static unsigned int sctp_sysctl_number_of_addresses(struct sctp_inpcb *inp) { unsigned int cnt; struct sctp_vrf *vrf; struct sctp_ifn *sctp_ifn; struct sctp_ifa *sctp_ifa; struct sctp_laddr *laddr; cnt = 0; /* neither Mac OS X nor FreeBSD support multiple routing functions */ if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { return (0); } if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { switch (sctp_ifa->address.sa.sa_family) { #ifdef INET case AF_INET: #endif #ifdef INET6 case AF_INET6: #endif cnt++; break; default: break; } } } } else { LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { switch (laddr->ifa->address.sa.sa_family) { #ifdef INET case AF_INET: #endif #ifdef INET6 case AF_INET6: #endif cnt++; break; default: break; } } } return (cnt); } static int sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, st { struct sctp_ifn *sctp_ifn; struct sctp_ifa *sctp_ifa; int loopback_scope; #ifdef INET int ipv4_local_scope; int ipv4_addr_legal; #endif #ifdef INET6 int local_scope, site_scope; int ipv6_addr_legal; #endif #if defined(__Userspace__) int conn_addr_legal; #endif struct sctp_vrf *vrf; struct xsctp_laddr xladdr; struct sctp_laddr *laddr; int error; /* Turn on all the appropriate scope */ if (stcb != NULL) { /* use association specific values */ loopback_scope = stcb->asoc.scope.loopback_scope; #ifdef INET ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; #endif #ifdef INET6 local_scope = stcb->asoc.scope.local_scope; site_scope = stcb->asoc.scope.site_scope; ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; #endif #if defined(__Userspace__) conn_addr_legal = stcb->asoc.scope.conn_addr_legal; #endif } else { /* Use generic values for endpoints. */ loopback_scope = 1; #ifdef INET ipv4_local_scope = 1; #endif #ifdef INET6 local_scope = 1; site_scope = 1; #endif if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { #ifdef INET6 ipv6_addr_legal = 1; #endif #ifdef INET if (SCTP_IPV6_V6ONLY(inp)) { ipv4_addr_legal = 0; } else { ipv4_addr_legal = 1; } #endif #if defined(__Userspace__) conn_addr_legal = 0; #endif } else { #ifdef INET6 ipv6_addr_legal = 0; #endif #if defined(__Userspace__) if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) { conn_addr_legal = 1; #ifdef INET ipv4_addr_legal = 0; #endif } else { conn_addr_legal = 0; #ifdef INET ipv4_addr_legal = 1; #endif } #else #ifdef INET ipv4_addr_legal = 1; #endif #endif } } /* Neither Mac OS X nor FreeBSD support multiple routing functions. */ if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) { SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); return (ENOENT); } if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { /* Skip loopback if loopback_scope not set. */ continue; } LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { if (stcb != NULL) { /* * Ignore if blacklisted at * association level. */ if (sctp_is_addr_restricted(stcb, sctp_ifa)) { continue; } } switch (sctp_ifa->address.sa.sa_family) { #ifdef INET case AF_INET: if (ipv4_addr_legal) { struct sockaddr_in *sin; sin = &sctp_ifa->address.sin; if (sin->sin_addr.s_addr == 0) { continue; } #if defined(__FreeBSD__) && !defined(__Userspace__) if (prison_check_ip4(inp->ip_inp.inp.inp_cred, &sin->sin_addr) != 0) { continue; } #endif if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { continue; } } else { continue; } break; #endif #ifdef INET6 case AF_INET6: if (ipv6_addr_legal) { struct sockaddr_in6 *sin6; sin6 = &sctp_ifa->address.sin6; if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { continue; } #if defined(__FreeBSD__) && !defined(__Userspace__) if (prison_check_ip6(inp->ip_inp.inp.inp_cred, &sin6->sin6_addr) != 0) { continue; } #endif if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { if (local_scope == 0) { continue; } } if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { continue; } } else { continue; } break; #endif #if defined(__Userspace__) case AF_CONN: if (!conn_addr_legal) { continue; } break; #endif default: continue; } memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore)); SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); if (error != 0) { return (error); } else { SCTP_INP_INFO_RLOCK(); SCTP_INP_RLOCK(inp); } } } } else { LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { /* ignore if blacklisted at association level */ if (stcb != NULL && sctp_is_addr_restricted(stcb, laddr->ifa)) continue; memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore)); xladdr.start_time.tv_sec = (uint32_t)laddr->start_time.tv_sec; xladdr.start_time.tv_usec = (uint32_t)laddr->start_time.tv_usec; SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); if (error != 0) { return (error); } else { SCTP_INP_INFO_RLOCK(); SCTP_INP_RLOCK(inp); } } } memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr)); xladdr.last = 1; SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr)); if (error != 0) { return (error); } else { SCTP_INP_INFO_RLOCK(); SCTP_INP_RLOCK(inp); return (0); } } /* * sysctl functions */ #if defined(__APPLE__) && !defined(__Userspace__) static int sctp_sysctl_handle_assoclist SYSCTL_HANDLER_ARGS { #pragma unused(oidp, arg1, arg2) #else static int sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS) { #endif unsigned int number_of_endpoints; unsigned int number_of_local_addresses; unsigned int number_of_associations; unsigned int number_of_remote_addresses; unsigned int n; int error; struct sctp_inpcb *inp; struct sctp_tcb *stcb; struct sctp_nets *net; struct xsctp_inpcb xinpcb; struct xsctp_tcb xstcb; struct xsctp_raddr xraddr; struct socket *so; number_of_endpoints = 0; number_of_local_addresses = 0; number_of_associations = 0; number_of_remote_addresses = 0; SCTP_INP_INFO_RLOCK(); #if defined(__APPLE__) && !defined(__Userspace__) if (req->oldptr == USER_ADDR_NULL) { #else if (req->oldptr == NULL) { #endif LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { SCTP_INP_RLOCK(inp); number_of_endpoints++; number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { number_of_associations++; number_of_local_addresses += sctp_sysctl_number_of_addresses(inp); TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { number_of_remote_addresses++; } } SCTP_INP_RUNLOCK(inp); } SCTP_INP_INFO_RUNLOCK(); n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) + (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(st (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) + (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr); /* request some more memory than needed */ #if !(defined(_WIN32) && !defined(__Userspace__)) req->oldidx = (n + n / 8); #else req->dataidx = (n + n / 8); #endif return (0); } #if defined(__APPLE__) && !defined(__Userspace__) if (req->newptr != USER_ADDR_NULL) { #else if (req->newptr != NULL) { #endif SCTP_INP_INFO_RUNLOCK(); SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM); return (EPERM); } memset(&xinpcb, 0, sizeof(xinpcb)); memset(&xstcb, 0, sizeof(xstcb)); memset(&xraddr, 0, sizeof(xraddr)); LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) { SCTP_INP_RLOCK(inp); if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) { /* if its allgone it is being freed - skip it */ goto skip; } xinpcb.last = 0; xinpcb.local_port = ntohs(inp->sctp_lport); xinpcb.flags = inp->sctp_flags; xinpcb.features = inp->sctp_features; xinpcb.total_sends = inp->total_sends; xinpcb.total_recvs = inp->total_recvs; xinpcb.total_nospaces = inp->total_nospaces; xinpcb.fragmentation_point = inp->sctp_frag_point; #if defined(__FreeBSD__) && !defined(__Userspace__) xinpcb.socket = (uintptr_t)inp->sctp_socket; #else xinpcb.socket = inp->sctp_socket; #endif so = inp->sctp_socket; if ((so == NULL) || (!SCTP_IS_LISTENING(inp)) || (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { xinpcb.qlen = 0; xinpcb.maxqlen = 0; } else { #if defined(__FreeBSD__) && !defined(__Userspace__) xinpcb.qlen = so->sol_qlen; xinpcb.qlen_old = so->sol_qlen > USHRT_MAX ? USHRT_MAX : (uint16_t) so->sol_qlen; xinpcb.maxqlen = so->sol_qlimit; xinpcb.maxqlen_old = so->sol_qlimit > USHRT_MAX ? USHRT_MAX : (uint16_t) so->sol_qlimit; #else xinpcb.qlen = so->so_qlen; xinpcb.maxqlen = so->so_qlimit; #endif } SCTP_INP_INCR_REF(inp); SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); if (error) { SCTP_INP_DECR_REF(inp); return (error); } SCTP_INP_INFO_RLOCK(); SCTP_INP_RLOCK(inp); error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req); if (error) { SCTP_INP_DECR_REF(inp); return (error); } LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { SCTP_TCB_LOCK(stcb); atomic_add_int(&stcb->asoc.refcnt, 1); SCTP_TCB_UNLOCK(stcb); xstcb.last = 0; xstcb.local_port = ntohs(inp->sctp_lport); xstcb.remote_port = ntohs(stcb->rport); if (stcb->asoc.primary_destination != NULL) xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr; xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay; xstcb.state = (uint32_t)sctp_map_assoc_state(stcb->asoc.state); xstcb.assoc_id = sctp_get_associd(stcb); xstcb.peers_rwnd = stcb->asoc.peers_rwnd; xstcb.in_streams = stcb->asoc.streamincnt; xstcb.out_streams = stcb->asoc.streamoutcnt; xstcb.max_nr_retrans = stcb->asoc.overall_error_count; xstcb.primary_process = 0; /* not really supported yet */ xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie; xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack; xstcb.retransmitted_tsns = stcb->asoc.marked_retrans; xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec; xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec; xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec; xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec; xstcb.total_sends = stcb->total_sends; xstcb.total_recvs = stcb->total_recvs; xstcb.local_tag = stcb->asoc.my_vtag; xstcb.remote_tag = stcb->asoc.peer_vtag; xstcb.initial_tsn = stcb->asoc.init_seq_number; xstcb.highest_tsn = stcb->asoc.sending_seq - 1; xstcb.cumulative_tsn = stcb->asoc.last_acked_seq; xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn; xstcb.mtu = stcb->asoc.smallest_mtu; xstcb.refcnt = stcb->asoc.refcnt; SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); if (error) { SCTP_INP_DECR_REF(inp); atomic_subtract_int(&stcb->asoc.refcnt, 1); return (error); } SCTP_INP_INFO_RLOCK(); SCTP_INP_RLOCK(inp); error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req); if (error) { SCTP_INP_DECR_REF(inp); atomic_subtract_int(&stcb->asoc.refcnt, 1); return (error); } TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { xraddr.last = 0; xraddr.address = net->ro._l_addr; xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE); xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0); xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0); xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF); xraddr.rto = net->RTO; xraddr.max_path_rtx = net->failure_threshold; xraddr.rtx = net->marked_retrans; xraddr.error_counter = net->error_count; xraddr.cwnd = net->cwnd; xraddr.flight_size = net->flight_size; xraddr.mtu = net->mtu; xraddr.rtt = net->rtt / 1000; xraddr.heartbeat_interval = net->heart_beat_delay; xraddr.ssthresh = net->ssthresh; xraddr.encaps_port = net->port; if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { xraddr.state = SCTP_UNCONFIRMED; } else if (net->dest_state & SCTP_ADDR_REACHABLE) { xraddr.state = SCTP_ACTIVE; } else { xraddr.state = SCTP_INACTIVE; } xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec; xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec; SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); if (error) { SCTP_INP_DECR_REF(inp); atomic_subtract_int(&stcb->asoc.refcnt, 1); return (error); } SCTP_INP_INFO_RLOCK(); SCTP_INP_RLOCK(inp); } atomic_subtract_int(&stcb->asoc.refcnt, 1); memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr)); xraddr.last = 1; SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr)); if (error) { SCTP_INP_DECR_REF(inp); return (error); } SCTP_INP_INFO_RLOCK(); SCTP_INP_RLOCK(inp); } SCTP_INP_DECR_REF(inp); SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb)); xstcb.last = 1; error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb)); if (error) { return (error); } skip: SCTP_INP_INFO_RLOCK(); } SCTP_INP_INFO_RUNLOCK(); memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb)); xinpcb.last = 1; error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb)); return (error); } #if defined(__APPLE__) && !defined(__Userspace__) static int sctp_sysctl_handle_udp_tunneling SYSCTL_HANDLER_ARGS { #pragma unused(arg1, arg2) #else static int sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS) { #endif int error; uint32_t old, new; SCTP_INP_INFO_RLOCK(); old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port); SCTP_INP_INFO_RUNLOCK(); new = old; error = sysctl_handle_int(oidp, &new, 0, req); if ((error == 0) && #if defined(__APPLE__) && !defined(__Userspace__) (req->newptr != USER_ADDR_NULL)) { #else (req->newptr != NULL)) { #endif #if defined(_WIN32) && !defined(__Userspace__) SCTP_INP_INFO_WLOCK(); sctp_over_udp_restart(); SCTP_INP_INFO_WUNLOCK(); #else #if (SCTPCTL_UDP_TUNNELING_PORT_MIN == 0) if (new > SCTPCTL_UDP_TUNNELING_PORT_MAX) { #else if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) || (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) { #endif error = EINVAL; } else { SCTP_INP_INFO_WLOCK(); SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new; if (old != 0) { sctp_over_udp_stop(); } if (new != 0) { error = sctp_over_udp_start(); } SCTP_INP_INFO_WUNLOCK(); } #endif } return (error); } #if defined(__APPLE__) && !defined(__Userspace__) int sctp_is_vmware_interface(struct ifnet *); static int sctp_sysctl_handle_vmware_interfaces SYSCTL_HANDLER_ARGS { #pragma unused(arg1, arg2) int error; uint32_t old, new; old = SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces); new = old; error = sysctl_handle_int(oidp, &new, 0, req); if ((error == 0) && (req->newptr != USER_ADDR_NULL)) { if ((new < SCTPCTL_IGNORE_VMWARE_INTERFACES_MIN) || (new > SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX)) { error = EINVAL; } else { if ((old == 1) && (new == 0)) { sctp_add_or_del_interfaces(sctp_is_vmware_interface, 1); } if ((old == 0) && (new == 1)) { sctp_add_or_del_interfaces(sctp_is_vmware_interface, 0); } if (old != new) { SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = new; } } } return (error); } #endif #if defined(__APPLE__) && !defined(__Userspace__) static int sctp_sysctl_handle_auth SYSCTL_HANDLER_ARGS { #pragma unused(arg1, arg2) #else static int sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS) { #endif int error; uint32_t new; new = SCTP_BASE_SYSCTL(sctp_auth_enable); error = sysctl_handle_int(oidp, &new, 0, req); if ((error == 0) && #if defined(__APPLE__) && !defined(__Userspace__) (req->newptr != USER_ADDR_NULL)) { #else (req->newptr != NULL)) { #endif #if (SCTPCTL_AUTH_ENABLE_MIN == 0) if ((new > SCTPCTL_AUTH_ENABLE_MAX) || ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { #else if ((new < SCTPCTL_AUTH_ENABLE_MIN) || (new > SCTPCTL_AUTH_ENABLE_MAX) || ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) { #endif error = EINVAL; } else { SCTP_BASE_SYSCTL(sctp_auth_enable) = new; } } return (error); } #if defined(__APPLE__) && !defined(__Userspace__) static int sctp_sysctl_handle_asconf SYSCTL_HANDLER_ARGS { #pragma unused(arg1, arg2) #else static int sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS) { #endif int error; uint32_t new; new = SCTP_BASE_SYSCTL(sctp_asconf_enable); error = sysctl_handle_int(oidp, &new, 0, req); if ((error == 0) && #if defined(__APPLE__) && !defined(__Userspace__) (req->newptr != USER_ADDR_NULL)) { #else (req->newptr != NULL)) { #endif #if (SCTPCTL_ASCONF_ENABLE_MIN == 0) if ((new > SCTPCTL_ASCONF_ENABLE_MAX) || ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { #else if ((new < SCTPCTL_ASCONF_ENABLE_MIN) || (new > SCTPCTL_ASCONF_ENABLE_MAX) || ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) { #endif error = EINVAL; } else { SCTP_BASE_SYSCTL(sctp_asconf_enable) = new; } } return (error); } #if defined(__APPLE__) && !defined(__Userspace__) static int sctp_sysctl_handle_stats SYSCTL_HANDLER_ARGS { #pragma unused(oidp, arg1, arg2) #else static int sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS) { #endif int error; #if defined(__FreeBSD__) && !defined(__Userspace__) #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) struct sctpstat *sarry; struct sctpstat sb; int cpu; #endif struct sctpstat sb_temp; #endif #if defined(__APPLE__) && !defined(__Userspace__) if ((req->newptr != USER_ADDR_NULL) && #else if ((req->newptr != NULL) && #endif (req->newlen != sizeof(struct sctpstat))) { return (EINVAL); } #if defined(__FreeBSD__) && !defined(__Userspace__) memset(&sb_temp, 0, sizeof(struct sctpstat)); if (req->newptr != NULL) { error = SYSCTL_IN(req, &sb_temp, sizeof(struct sctpstat)); if (error != 0) { return (error); } } #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) memset(&sb, 0, sizeof(sb)); for (cpu = 0; cpu < mp_maxid; cpu++) { sarry = &SCTP_BASE_STATS[cpu]; if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) { sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec; sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec; } sb.sctps_currestab += sarry->sctps_currestab; sb.sctps_activeestab += sarry->sctps_activeestab; sb.sctps_restartestab += sarry->sctps_restartestab; sb.sctps_collisionestab += sarry->sctps_collisionestab; sb.sctps_passiveestab += sarry->sctps_passiveestab; sb.sctps_aborted += sarry->sctps_aborted; sb.sctps_shutdown += sarry->sctps_shutdown; sb.sctps_outoftheblue += sarry->sctps_outoftheblue; sb.sctps_checksumerrors += sarry->sctps_checksumerrors; sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks; sb.sctps_outorderchunks += sarry->sctps_outorderchunks; sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks; sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks; sb.sctps_inorderchunks += sarry->sctps_inorderchunks; sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks; sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs; sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs; sb.sctps_outpackets += sarry->sctps_outpackets; sb.sctps_inpackets += sarry->sctps_inpackets; sb.sctps_recvpackets += sarry->sctps_recvpackets; sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams; sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata; sb.sctps_recvsacks += sarry->sctps_recvsacks; sb.sctps_recvdata += sarry->sctps_recvdata; sb.sctps_recvdupdata += sarry->sctps_recvdupdata; sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat; sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack; sb.sctps_recvecne += sarry->sctps_recvecne; sb.sctps_recvauth += sarry->sctps_recvauth; sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing; sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid; sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid; sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed; sb.sctps_recvexpress += sarry->sctps_recvexpress; sb.sctps_recvexpressm += sarry->sctps_recvexpressm; sb.sctps_recvswcrc += sarry->sctps_recvswcrc; sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc; sb.sctps_sendpackets += sarry->sctps_sendpackets; sb.sctps_sendsacks += sarry->sctps_sendsacks; sb.sctps_senddata += sarry->sctps_senddata; sb.sctps_sendretransdata += sarry->sctps_sendretransdata; sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans; sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans; sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat; sb.sctps_sendecne += sarry->sctps_sendecne; sb.sctps_sendauth += sarry->sctps_sendauth; sb.sctps_senderrors += sarry->sctps_senderrors; sb.sctps_sendswcrc += sarry->sctps_sendswcrc; sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc; sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox; sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos; sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda; sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct; sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt; sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt; sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat; sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk; sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf; sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd; sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp; sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw; sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd; sb.sctps_pdrpmark += sarry->sctps_pdrpmark; sb.sctps_timoiterator += sarry->sctps_timoiterator; sb.sctps_timodata += sarry->sctps_timodata; sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe; sb.sctps_timoinit += sarry->sctps_timoinit; sb.sctps_timosack += sarry->sctps_timosack; sb.sctps_timoshutdown += sarry->sctps_timoshutdown; sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat; sb.sctps_timocookie += sarry->sctps_timocookie; sb.sctps_timosecret += sarry->sctps_timosecret; sb.sctps_timopathmtu += sarry->sctps_timopathmtu; sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack; sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard; sb.sctps_timostrmrst += sarry->sctps_timostrmrst; sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr; sb.sctps_timoasconf += sarry->sctps_timoasconf; sb.sctps_timodelprim += sarry->sctps_timodelprim; sb.sctps_timoautoclose += sarry->sctps_timoautoclose; sb.sctps_timoassockill += sarry->sctps_timoassockill; sb.sctps_timoinpkill += sarry->sctps_timoinpkill; sb.sctps_hdrops += sarry->sctps_hdrops; sb.sctps_badsum += sarry->sctps_badsum; sb.sctps_noport += sarry->sctps_noport; sb.sctps_badvtag += sarry->sctps_badvtag; sb.sctps_badsid += sarry->sctps_badsid; sb.sctps_nomem += sarry->sctps_nomem; sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt; sb.sctps_markedretrans += sarry->sctps_markedretrans; sb.sctps_naglesent += sarry->sctps_naglesent; sb.sctps_naglequeued += sarry->sctps_naglequeued; sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued; sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued; sb.sctps_windowprobed += sarry->sctps_windowprobed; sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr; sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr; sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt; sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd; sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd; sb.sctps_vtagexpress += sarry->sctps_vtagexpress; sb.sctps_vtagbogus += sarry->sctps_vtagbogus; sb.sctps_primary_randry += sarry->sctps_primary_randry; sb.sctps_cmt_randry += sarry->sctps_cmt_randry; sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack; sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent; sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags; sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord; sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof; sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort; sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls; sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done; sb.sctps_read_peeks += sarry->sctps_read_peeks; sb.sctps_cached_chk += sarry->sctps_cached_chk; sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq; sb.sctps_left_abandon += sarry->sctps_left_abandon; sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid; sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid; sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over; sb.sctps_queue_upd_ecne += sarry->sctps_queue_upd_ecne; sb.sctps_recvzerocrc += sarry->sctps_recvzerocrc; sb.sctps_sendzerocrc += sarry->sctps_sendzerocrc; if (req->newptr != NULL) { memcpy(sarry, &sb_temp, sizeof(struct sctpstat)); } } error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat)); #else error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat)); if (error != 0) { return (error); } if (req->newptr != NULL) { memcpy(&SCTP_BASE_STATS, &sb_temp, sizeof(struct sctpstat)); } #endif #else error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat)); #endif return (error); } #if defined(SCTP_LOCAL_TRACE_BUF) #if defined(__APPLE__) && !defined(__Userspace__) static int sctp_sysctl_handle_trace_log SYSCTL_HANDLER_ARGS { #pragma unused(arg1, arg2, oidp) #else static int sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS) { #endif int error; #if defined(_WIN32) && !defined(__Userspace__) error = SYSCTL_OUT(req, SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log)); #else error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log)); #endif return (error); } #if defined(__APPLE__) && !defined(__Userspace__) static int sctp_sysctl_handle_trace_log_clear SYSCTL_HANDLER_ARGS { #pragma unused(arg1, arg2, req, oidp) #else static int sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS) { #endif int error = 0; #if defined(_WIN32) && !defined(__Userspace__) int value = 0; if (req->new_data == NULL) { return (error); } error = SYSCTL_IN(req, &value, sizeof(int)); if (error == 0 && value != 0 && SCTP_BASE_SYSCTL(sctp_log) != NULL) { memset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); } #else memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log)); #endif return (error); } #endif #if (defined(__APPLE__) || defined(__FreeBSD__)) && !defined(__Userspace__) #if defined(__FreeBSD__) #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \ SCTP_UINT_SYSCTL_FLAG(mib_name, var_name, prefix, \ CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW) #define SCTP_UINT_SYSCTL_TUN(mib_name, var_name, prefix) \ SCTP_UINT_SYSCTL_FLAG(mib_name, var_name, prefix, \ CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RWTUN|CTLFLAG_NOFETCH) #define SCTP_UINT_SYSCTL_FLAG(mib_name, var_name, prefix, flags) \ static int \ sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \ { \ int error; \ uint32_t new; \ \ new = SCTP_BASE_SYSCTL(var_name); \ error = sysctl_handle_int(oidp, &new, 0, req); \ if ((error == 0) && (req->newptr != NULL)) { \ if ((new < prefix##_MIN) || \ (new > prefix##_MAX)) { \ error = EINVAL; \ } else { \ SCTP_BASE_SYSCTL(var_name) = new; \ } \ } \ return (error); \ } \ SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, flags, NULL, 0, \ sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC) #define SCTP_UINT_SYSCTL_RDTUN(mib_name, var_name, prefix) \ SYSCTL_UINT(_net_inet_sctp, OID_AUTO, mib_name, \ CTLFLAG_VNET|CTLFLAG_RDTUN|CTLFLAG_NOFETCH, \ &VNET_NAME(system_base_info.sctpsysctl.var_name), 0, \ prefix##_DESC) #else #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \ static int \ sctp_sysctl_handle_##mib_name(struct sysctl_oid *oidp, \ void *arg1 __attribute__((unused)), \ int arg2 __attribute__((unused)), \ struct sysctl_req *req) \ { \ int error; \ uint32_t new; \ \ new = SCTP_BASE_SYSCTL(var_name); \ error = sysctl_handle_int(oidp, &new, 0, req); \ if ((error == 0) && (req->newptr != USER_ADDR_NULL)) { \ if ((new < prefix##_MIN) || \ (new > prefix##_MAX)) { \ error = EINVAL; \ } else { \ SCTP_BASE_SYSCTL(var_name) = new; \ } \ } \ return (error); \ } \ SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \ CTLTYPE_INT | CTLFLAG_RW, NULL, 0, \ sctp_sysctl_handle_##mib_name, "I", prefix##_DESC) #define CTLTYPE_UINT CTLTYPE_INT #define CTLFLAG_VNET 0 #endif /* * sysctl definitions */ SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM); SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE); SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF); SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE); SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE); SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLA NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC); SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLF NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC); SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE); SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE); SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE); #if defined(__APPLE__) && !defined(__Userspace__) SCTP_UINT_SYSCTL(loopback_nocsum, sctp_no_csum_on_loopback, SCTPCTL_LOOPBACK_NOCSU #endif SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH); SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST); SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST); SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS); #if defined(__FreeBSD__) && !defined(__Userspace__) SCTP_UINT_SYSCTL_RDTUN(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE); SCTP_UINT_SYSCTL_TUN(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE); SCTP_UINT_SYSCTL_RDTUN(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE); #else SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE); SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE); SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE); #endif SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT); SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYE SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ); SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE); SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE); SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEAR SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SH SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIF SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX); SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN); SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL); SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX); SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_ SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX); SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX) SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX); SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESH SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_ SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOM SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGO SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF); SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC); SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURS SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY); SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR); SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN); SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST); SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL); SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL); SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MOD SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MOD SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DE SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE); SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY #if defined(SCTP_LOCAL_TRACE_BUF) SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RD, NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)" SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET|CTLTYPE_UINT | CTLFLA NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer"); #endif SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET|CTLTYPE_UINT NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC); SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SA SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_F SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT); SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND); SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW); SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT); SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET); SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS); SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN); SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE); SCTP_UINT_SYSCTL(sendall_limit, sctp_sendall_limit, SCTPCTL_SENDALL_LIMIT); SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE); SCTP_UINT_SYSCTL(ootb_with_zero_cksum, sctp_ootb_with_zero_cksum, SCTPCTL_OOTB_WIT #ifdef SCTP_DEBUG SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG); #endif #if defined(__APPLE__) && !defined(__Userspace__) SCTP_UINT_SYSCTL(main_timer, sctp_main_timer, SCTPCTL_MAIN_TIMER); SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ignore_vmware_interfaces, CTLTYPE_UINT|CTLFLA NULL, 0, sctp_sysctl_handle_vmware_interfaces, "IU", SCTPCTL_IGNORE_VMWARE_INTERFACE SCTP_UINT_SYSCTL(addr_watchdog_limit, sctp_addr_watchdog_limit, SCTPCTL_ADDR_WATCH SCTP_UINT_SYSCTL(vtag_watchdog_limit, sctp_vtag_watchdog_limit, SCTPCTL_VTAG_WATCH #endif #if defined(__APPLE__) && !defined(__Userspace__) SCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED); #endif SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RW NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat) SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET|CTLTYPE_OPAQUE|CTLFLA NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations #elif defined(_WIN32) && !defined(__Userspace__) #define RANGECHK(var, min, max) \ if ((var) < (min)) { (var) = (min); } \ else if ((var) > (max)) { (var) = (max); } static int sctp_sysctl_handle_int(SYSCTL_HANDLER_ARGS) { int error; error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); if (error == 0) { RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_ RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPAC RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOA RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOA RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_EN RANGECHK(SCTP_BASE_SYSCTL(sctp_pr_enable), SCTPCTL_PR_ENABLE_MIN, SCTPCTL_PR_ENABL RANGECHK(SCTP_BASE_SYSCTL(sctp_reconfig_enable), SCTPCTL_RECONFIG_ENABLE_MIN, SCTP RANGECHK(SCTP_BASE_SYSCTL(sctp_nrsack_enable), SCTPCTL_NRSACK_ENABLE_MIN, SCTPCTL_ RANGECHK(SCTP_BASE_SYSCTL(sctp_pktdrop_enable), SCTPCTL_PKTDROP_ENABLE_MIN, SCTPCT RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEE RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_M RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTP RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCT RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBH RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHA RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTP RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKS RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_T RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_ RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, S RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INT RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_ RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUA RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_ RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_ RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_ RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTP RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SC RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_L RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SC RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SC RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MI RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), SCTPCTL_INCOMING_STR RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STR RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_ RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MI RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NA RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_AB RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_M RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SC RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_ RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_L RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MI RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SC RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_ RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INT RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIM RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SC RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_IN RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_B RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RT RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_R RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_ RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_ RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOF RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_ RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOL RANGECHK(SCTP_BASE_SYSCTL(sctp_sendall_limit), SCTPCTL_SENDALL_LIMIT_MIN, SCTPCTL_ RANGECHK(SCTP_BASE_SYSCTL(sctp_diag_info_code), SCTPCTL_DIAG_INFO_CODE_MIN, SCTPCT RANGECHK(SCTP_BASE_SYSCTL(sctp_ootb_with_zero_cksum), SCTPCTL_OOTB_WITH_ZERO_CKSU #ifdef SCTP_DEBUG RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX); #endif } return (error); } void sysctl_setup_sctp(void) { sysctl_add_oid(&sysctl_oid_top, "sendspace", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sctp_sysctl_handle_int, SCTPCTL_MAXDGRAM_DESC); sysctl_add_oid(&sysctl_oid_top, "recvspace", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sctp_sysctl_handle_int, SCTPCTL_RECVSPACE_DESC); sysctl_add_oid(&sysctl_oid_top, "auto_asconf", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sctp_sysctl_handle_int, SCTPCTL_AUTOASCONF_DESC); sysctl_add_oid(&sysctl_oid_top, "ecn_enable", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sctp_sysctl_handle_int, SCTPCTL_ECN_ENABLE_DESC); sysctl_add_oid(&sysctl_oid_top, "pr_enable", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_pr_enable), 0, sctp_sysctl_handle_int, SCTPCTL_PR_ENABLE_DESC); sysctl_add_oid(&sysctl_oid_top, "auth_enable", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_auth_enable), 0, sctp_sysctl_handle_auth, SCTPCTL_AUTH_ENABLE_DESC); sysctl_add_oid(&sysctl_oid_top, "asconf_enable", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_asconf_enable), 0, sctp_sysctl_handle_asconf, SCTPCTL_ASCONF_ENABLE_DESC); sysctl_add_oid(&sysctl_oid_top, "reconfig_enable", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_reconfig_enable), 0, sctp_sysctl_handle_int, SCTPCTL_RECONFIG_ENABLE_DESC); sysctl_add_oid(&sysctl_oid_top, "nrsack_enable", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_nrsack_enable), 0, sctp_sysctl_handle_int, SCTPCTL_NRSACK_ENABLE_DESC); sysctl_add_oid(&sysctl_oid_top, "pktdrop_enable", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_pktdrop_enable), 0, sctp_sysctl_handle_int, SCTPCTL_PKTDROP_ENABLE_DESC); sysctl_add_oid(&sysctl_oid_top, "loopback_nocsum", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sctp_sysctl_handle_int, SCTPCTL_LOOPBACK_NOCSUM_DESC); sysctl_add_oid(&sysctl_oid_top, "peer_chkoh", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sctp_sysctl_handle_int, SCTPCTL_PEER_CHKOH_DESC); sysctl_add_oid(&sysctl_oid_top, "maxburst", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sctp_sysctl_handle_int, SCTPCTL_MAXBURST_DESC); sysctl_add_oid(&sysctl_oid_top, "fr_maxburst", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sctp_sysctl_handle_int, SCTPCTL_FRMAXBURST_DESC); sysctl_add_oid(&sysctl_oid_top, "maxchunks", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sctp_sysctl_handle_int, SCTPCTL_MAXCHUNKS_DESC); sysctl_add_oid(&sysctl_oid_top, "tcbhashsize", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sctp_sysctl_handle_int, SCTPCTL_TCBHASHSIZE_DESC); sysctl_add_oid(&sysctl_oid_top, "pcbhashsize", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sctp_sysctl_handle_int, SCTPCTL_PCBHASHSIZE_DESC); sysctl_add_oid(&sysctl_oid_top, "min_split_point", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sctp_sysctl_handle_int, SCTPCTL_MIN_SPLIT_POINT_DESC); sysctl_add_oid(&sysctl_oid_top, "chunkscale", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sctp_sysctl_handle_int, SCTPCTL_CHUNKSCALE_DESC); sysctl_add_oid(&sysctl_oid_top, "delayed_sack_time", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sctp_sysctl_handle_int, SCTPCTL_DELAYED_SACK_TIME_DESC); sysctl_add_oid(&sysctl_oid_top, "sack_freq", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sctp_sysctl_handle_int, SCTPCTL_SACK_FREQ_DESC); sysctl_add_oid(&sysctl_oid_top, "sys_resource", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sctp_sysctl_handle_int, SCTPCTL_SYS_RESOURCE_DESC); sysctl_add_oid(&sysctl_oid_top, "asoc_resource", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sctp_sysctl_handle_int, SCTPCTL_ASOC_RESOURCE_DESC); sysctl_add_oid(&sysctl_oid_top, "heartbeat_interval", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sctp_sysctl_handle_int, SCTPCTL_HEARTBEAT_INTERVAL_DESC); sysctl_add_oid(&sysctl_oid_top, "pmtu_raise_time", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sctp_sysctl_handle_int, SCTPCTL_PMTU_RAISE_TIME_DESC); sysctl_add_oid(&sysctl_oid_top, "shutdown_guard_time", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sctp_sysctl_handle_int, SCTPCTL_SHUTDOWN_GUARD_TIME_DESC); sysctl_add_oid(&sysctl_oid_top, "secret_lifetime", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sctp_sysctl_handle_int, SCTPCTL_SECRET_LIFETIME_DESC); sysctl_add_oid(&sysctl_oid_top, "rto_max", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sctp_sysctl_handle_int, SCTPCTL_RTO_MAX_DESC); sysctl_add_oid(&sysctl_oid_top, "rto_min", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sctp_sysctl_handle_int, SCTPCTL_RTO_MIN_DESC); sysctl_add_oid(&sysctl_oid_top, "rto_initial", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sctp_sysctl_handle_int, SCTPCTL_RTO_INITIAL_DESC); sysctl_add_oid(&sysctl_oid_top, "init_rto_max", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sctp_sysctl_handle_int, SCTPCTL_INIT_RTO_MAX_DESC); sysctl_add_oid(&sysctl_oid_top, "valid_cookie_life", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sctp_sysctl_handle_int, SCTPCTL_VALID_COOKIE_LIFE_DESC); sysctl_add_oid(&sysctl_oid_top, "init_rtx_max", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sctp_sysctl_handle_int, SCTPCTL_INIT_RTX_MAX_DESC); sysctl_add_oid(&sysctl_oid_top, "assoc_rtx_max", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sctp_sysctl_handle_int, SCTPCTL_ASSOC_RTX_MAX_DESC); sysctl_add_oid(&sysctl_oid_top, "path_rtx_max", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sctp_sysctl_handle_int, SCTPCTL_PATH_RTX_MAX_DESC); sysctl_add_oid(&sysctl_oid_top, "path_pf_threshold", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sctp_sysctl_handle_int, SCTPCTL_PATH_PF_THRESHOLD_DESC); sysctl_add_oid(&sysctl_oid_top, "add_more_on_output", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sctp_sysctl_handle_int, SCTPCTL_ADD_MORE_ON_OUTPUT_DESC); sysctl_add_oid(&sysctl_oid_top, "incoming_streams", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sctp_sysctl_handle_int, SCTPCTL_INCOMING_STREAMS_DESC); sysctl_add_oid(&sysctl_oid_top, "outgoing_streams", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sctp_sysctl_handle_int, SCTPCTL_OUTGOING_STREAMS_DESC); sysctl_add_oid(&sysctl_oid_top, "cmt_on_off", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sctp_sysctl_handle_int, SCTPCTL_CMT_ON_OFF_DESC); sysctl_add_oid(&sysctl_oid_top, "cmt_use_dac", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sctp_sysctl_handle_int, SCTPCTL_CMT_USE_DAC_DESC); sysctl_add_oid(&sysctl_oid_top, "cwnd_maxburst", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sctp_sysctl_handle_int, SCTPCTL_CWND_MAXBURST_DESC); sysctl_add_oid(&sysctl_oid_top, "nat_friendly", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sctp_sysctl_handle_int, SCTPCTL_NAT_FRIENDLY_DESC); sysctl_add_oid(&sysctl_oid_top, "abc_l_var", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sctp_sysctl_handle_int, SCTPCTL_ABC_L_VAR_DESC); sysctl_add_oid(&sysctl_oid_top, "max_chained_mbufs", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sctp_sysctl_handle_int, SCTPCTL_MAX_CHAINED_MBUFS_DESC); sysctl_add_oid(&sysctl_oid_top, "do_sctp_drain", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sctp_sysctl_handle_int, SCTPCTL_DO_SCTP_DRAIN_DESC); sysctl_add_oid(&sysctl_oid_top, "hb_max_burst", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sctp_sysctl_handle_int, SCTPCTL_HB_MAX_BURST_DESC); sysctl_add_oid(&sysctl_oid_top, "abort_at_limit", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sctp_sysctl_handle_int, SCTPCTL_ABORT_AT_LIMIT_DESC); sysctl_add_oid(&sysctl_oid_top, "min_residual", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sctp_sysctl_handle_int, SCTPCTL_MIN_RESIDUAL_DESC); sysctl_add_oid(&sysctl_oid_top, "max_retran_chunk", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sctp_sysctl_handle_int, SCTPCTL_MAX_RETRAN_CHUNK_DESC); sysctl_add_oid(&sysctl_oid_top, "log_level", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sctp_sysctl_handle_int, SCTPCTL_LOGGING_LEVEL_DESC); sysctl_add_oid(&sysctl_oid_top, "default_cc_module", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sctp_sysctl_handle_int, SCTPCTL_DEFAULT_CC_MODULE_DESC); sysctl_add_oid(&sysctl_oid_top, "default_ss_module", CTLTYPE_INT|CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sctp_sysctl_handle_int, SCTPCTL_DEFAULT_SS_MODULE_DESC); sysctl_add_oid(&sysctl_oid_top, "default_frag_interleave", CTLTYPE_INT|CTLFLAG_RW, --> -------------------- --> maximum size reached --> --------------------
¤ Dauer der Verarbeitung: 0.19 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-04-02