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/*-
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/netinet/sctp_sysctl.c 238249 2012-07-08 15:37:58Z tuexen $");
#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>
#include <sys/smp.h>
/*
* sysctl tunable variables
*/
void
sctp_init_sysctls()
{
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_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT;
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;
SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT;
SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT;
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_DEFAULT;
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_DEFAULT;
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_DEFAULT;
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_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT;
SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT;
/* EY */
SCTP_BASE_SYSCTL(sctp_nr_sack_on_off) = SCTPCTL_NR_SACK_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_asconf_auth_nochk) = SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT;
SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_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_DEFAULT;
SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT;
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;
/* JRS - Variable for default congestion control module */
SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT;
/* RS - Variable for default stream scheduling module */
SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT;
SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT;
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;
#if defined(SCTP_LOCAL_TRACE_BUF)
memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
#endif
SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT;
SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT;
SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT;
#if defined(SCTP_DEBUG)
SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT;
#endif
#if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT;
#endif
}
/* It returns an upper limit. No filtering is done here */
static unsigned int
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 mulitple 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
copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req)
{
struct sctp_ifn *sctp_ifn;
struct sctp_ifa *sctp_ifa;
int loopback_scope, ipv4_local_scope, local_scope, site_scope;
int ipv4_addr_legal, ipv6_addr_legal;
struct sctp_vrf *vrf;
struct xsctp_laddr xladdr;
struct sctp_laddr *laddr;
int error;
/* Turn on all the appropriate scope */
if (stcb) {
/* use association specific values */
loopback_scope = stcb->asoc.loopback_scope;
ipv4_local_scope = stcb->asoc.ipv4_local_scope;
local_scope = stcb->asoc.local_scope;
site_scope = stcb->asoc.site_scope;
} else {
/* use generic values for endpoints */
loopback_scope = 1;
ipv4_local_scope = 1;
local_scope = 1;
site_scope = 1;
}
/* use only address families of interest */
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
ipv6_addr_legal = 1;
if (SCTP_IPV6_V6ONLY(inp)) {
ipv4_addr_legal = 0;
} else {
ipv4_addr_legal = 1;
}
} else {
ipv4_addr_legal = 1;
ipv6_addr_legal = 0;
}
/* neither Mac OS X nor FreeBSD support mulitple routing functions */
if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
SCTP_INP_RUNLOCK(inp);
SCTP_INP_INFO_RUNLOCK();
return (-1);
}
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) {
/*
* 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 = (struct sockaddr_in *)&sctp_ifa->address.sa;
if (sin->sin_addr.s_addr == 0)
continue;
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 = (struct sockaddr_in6 *)&sctp_ifa->address.sa;
if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))
continue;
if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
if (local_scope == 0)
continue;
if (sin6->sin6_scope_id == 0) {
/*
* bad link
* local
* address
*/
if (sa6_recoverscope(sin6) != 0)
continue;
}
}
if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)))
continue;
} else {
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) {
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 && 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) {
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) {
return (error);
} else {
SCTP_INP_INFO_RLOCK();
SCTP_INP_RLOCK(inp);
return (0);
}
}
/*
* sysctl functions
*/
static int
sctp_assoclist(SYSCTL_HANDLER_ARGS)
{
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 (req->oldptr == USER_ADDR_NULL) {
LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
SCTP_INP_RLOCK(inp);
number_of_endpoints++;
number_of_local_addresses += number_of_addresses(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
number_of_associations++;
number_of_local_addresses += 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(struct xsctp_laddr) +
(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 */
req->oldidx = (n + n / 8);
return (0);
}
if (req->newptr != USER_ADDR_NULL) {
SCTP_INP_INFO_RUNLOCK();
SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM);
return (EPERM);
}
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;
so = inp->sctp_socket;
if ((so == NULL) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
xinpcb.qlen = 0;
xinpcb.maxqlen = 0;
} else {
xinpcb.qlen = so->so_qlen;
xinpcb.maxqlen = so->so_qlimit;
}
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 = 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 = SCTP_GET_STATE(&stcb->asoc); /* FIXME */
/* 7.0 does not support these */
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 = 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.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);
}
#define RANGECHK(var, min, max) \
if ((var) < (min)) { (var) = (min); } \
else if ((var) > (max)) { (var) = (max); }
/* XXX: Remove the #if after tunneling over IPv6 works also on FreeBSD. */
#if !defined(__FreeBSD__) || defined(INET)
static int
sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS)
{
int error;
uint32_t old_sctp_udp_tunneling_port;
SCTP_INP_INFO_RLOCK();
old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port);
SCTP_INP_INFO_RUNLOCK();
error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
if (error == 0) {
RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX);
if (old_sctp_udp_tunneling_port == SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) {
error = 0;
goto out;
}
SCTP_INP_INFO_WLOCK();
if (old_sctp_udp_tunneling_port) {
sctp_over_udp_stop();
}
if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) {
if (sctp_over_udp_start()) {
SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0;
}
}
SCTP_INP_INFO_WUNLOCK();
}
out:
return (error);
}
#endif
static int
sysctl_sctp_check(SYSCTL_HANDLER_ARGS)
{
int error;
#ifdef VIMAGE
error = vnet_sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
#else
error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
#endif
if (error == 0) {
RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTPCTL_FRMAXBURST_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, SCTPCTL_PATH_PF_THRESHOLD_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX);
/* EY */
RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), SCTPCTL_NR_SACK_ON_OFF_MIN, SCTPCTL_NR_SACK_ON_OFF_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), SCTPCTL_ASCONF_AUTH_NOCHK_MIN, SCTPCTL_ASCONF_AUTH_NOCHK_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_auth_disable), SCTPCTL_AUTH_DISABLE_MIN, SCTPCTL_AUTH_DISABLE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_BW_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR_RTT_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RTTVAR_EQRET_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_RTTVAR_STEADYS_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_RTTVAR_DCCCECN_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX);
RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOLE_MAX);
#ifdef SCTP_DEBUG
RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX);
#endif
#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX);
#endif
}
return (error);
}
#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
static int
sysctl_stat_get(SYSCTL_HANDLER_ARGS)
{
int cpu, error;
struct sctpstat sb, *sarry, *cpin = NULL;
if ((req->newptr) && (req->newlen == sizeof(struct sctpstat))) {
/*
* User wants us to clear or at least reset the counters to
* the specified values.
*/
cpin = (struct sctpstat *)req->newptr;
} else if (req->newptr) {
/* Must be a stat structure */
return (EINVAL);
}
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_recvnocrc += sarry->sctps_recvnocrc;
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_sendnocrc += sarry->sctps_sendnocrc;
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;
if (cpin) {
memcpy(sarry, cpin, sizeof(struct sctpstat));
}
}
error = SYSCTL_OUT(req, &sb, sizeof(sb));
return (error);
}
#endif
#if defined(SCTP_LOCAL_TRACE_BUF)
static int
sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS)
{
int error = 0;
memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
return (error);
}
#endif
/*
* sysctl definitions
*/
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU",
SCTPCTL_MAXDGRAM_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU",
SCTPCTL_RECVSPACE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU",
SCTPCTL_AUTOASCONF_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU",
SCTPCTL_ECN_ENABLE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU",
SCTPCTL_STRICT_SACKS_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU",
SCTPCTL_PEER_CHKOH_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_MAXBURST_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, fr_maxburst, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_FRMAXBURST_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU",
SCTPCTL_MAXCHUNKS_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU",
SCTPCTL_TCBHASHSIZE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU",
SCTPCTL_PCBHASHSIZE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU",
SCTPCTL_MIN_SPLIT_POINT_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU",
SCTPCTL_CHUNKSCALE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_DELAYED_SACK_TIME_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_SACK_FREQ_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU",
SCTPCTL_SYS_RESOURCE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU",
SCTPCTL_ASOC_RESOURCE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_HEARTBEAT_INTERVAL_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_PMTU_RAISE_TIME_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_SHUTDOWN_GUARD_TIME_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_SECRET_LIFETIME_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_RTO_MAX_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_RTO_MIN_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_RTO_INITIAL_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_INIT_RTO_MAX_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_VALID_COOKIE_LIFE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_INIT_RTX_MAX_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_ASSOC_RTX_MAX_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_PATH_RTX_MAX_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, path_pf_threshold, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sysctl_sctp_check, "IU",
SCTPCTL_PATH_PF_THRESHOLD_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU",
SCTPCTL_ADD_MORE_ON_OUTPUT_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU",
SCTPCTL_OUTGOING_STREAMS_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU",
SCTPCTL_CMT_ON_OFF_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nr_sack_on_off, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_nr_sack_on_off), 0, sysctl_sctp_check, "IU",
SCTPCTL_NR_SACK_ON_OFF_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU",
SCTPCTL_CMT_USE_DAC_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU",
SCTPCTL_CWND_MAXBURST_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), 0, sysctl_sctp_check, "IU",
SCTPCTL_ASCONF_AUTH_NOCHK_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check, "IU",
SCTPCTL_AUTH_DISABLE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU",
SCTPCTL_NAT_FRIENDLY_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU",
SCTPCTL_ABC_L_VAR_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU",
SCTPCTL_MAX_CHAINED_MBUFS_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU",
SCTPCTL_DO_SCTP_DRAIN_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU",
SCTPCTL_HB_MAX_BURST_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU",
SCTPCTL_ABORT_AT_LIMIT_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU",
SCTPCTL_STRICT_DATA_ORDER_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU",
SCTPCTL_MIN_RESIDUAL_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU",
SCTPCTL_MAX_RETRAN_CHUNK_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU",
SCTPCTL_LOGGING_LEVEL_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU",
SCTPCTL_DEFAULT_CC_MODULE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_ss_module, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sysctl_sctp_check, "IU",
SCTPCTL_DEFAULT_SS_MODULE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU",
SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU",
SCTPCTL_MOBILITY_BASE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU",
SCTPCTL_MOBILITY_FASTHANDOFF_DESC);
#if defined(SCTP_LOCAL_TRACE_BUF)
SYSCTL_VNET_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD,
&SCTP_BASE_SYSCTL(sctp_log), sctp_log,
"SCTP logging (struct sctp_log)");
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU",
"Clear SCTP Logging buffer");
#endif
/* XXX: Remove the #if after tunneling over IPv6 works also on FreeBSD. */
#if !defined(__FreeBSD__) || defined(INET)
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU",
SCTPCTL_UDP_TUNNELING_PORT_DESC);
#endif
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU",
SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nat_friendly_init, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sysctl_sctp_check, "IU",
SCTPCTL_NAT_FRIENDLY_INITS_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, vtag_time_wait, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sysctl_sctp_check, "IU",
SCTPCTL_TIME_WAIT_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, buffer_splitting, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sysctl_sctp_check, "IU",
SCTPCTL_BUFFER_SPLITTING_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, initial_cwnd, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sysctl_sctp_check, "IU",
SCTPCTL_INITIAL_CWND_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_bw, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sysctl_sctp_check, "IU",
SCTPCTL_RTTVAR_BW_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_rtt, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sysctl_sctp_check, "IU",
SCTPCTL_RTTVAR_RTT_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_eqret, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sysctl_sctp_check, "IU",
SCTPCTL_RTTVAR_EQRET_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, rttvar_steady_step, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_steady_step), 0, sysctl_sctp_check, "IU",
SCTPCTL_RTTVAR_STEADYS_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, use_dcccecn, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sysctl_sctp_check, "IU",
SCTPCTL_RTTVAR_DCCCECN_DESC);
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, blackhole, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_blackhole), 0, sysctl_sctp_check, "IU",
SCTPCTL_BLACKHOLE_DESC);
#ifdef SCTP_DEBUG
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU",
SCTPCTL_DEBUG_DESC);
#endif
#if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_UINT | CTLFLAG_RW,
&SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU",
SCTPCTL_OUTPUT_UNLOCKED_DESC);
#endif
#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, stats,
CTLTYPE_STRUCT | CTLFLAG_RW,
0, 0, sysctl_stat_get, "S,sctpstat",
"SCTP statistics (struct sctp_stat)");
#else
SYSCTL_VNET_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW,
&SCTP_BASE_STATS_SYSCTL, sctpstat,
"SCTP statistics (struct sctp_stat)");
#endif
SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLTYPE_OPAQUE | CTLFLAG_RD,
0, 0, sctp_assoclist,
"S,xassoc", "List of active SCTP associations");