501 lines
18 KiB
C
501 lines
18 KiB
C
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/*-
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* Copyright (c) 2007, Cisco Systems, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* a) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* b) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* c) Neither the name of Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <netinet/sctp_os.h>
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#include <netinet/sctp_constants.h>
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#include <netinet/sctp_sysctl.h>
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#include <netinet/sctp_pcb.h>
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#include <netinet/sctputil.h>
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/*
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* sysctl tunable variables
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*/
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uint32_t sctp_sendspace = (128 * 1024);
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uint32_t sctp_recvspace = 128 * (1024 +
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#ifdef INET6
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sizeof(struct sockaddr_in6)
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#else
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sizeof(struct sockaddr_in)
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#endif
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);
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uint32_t sctp_mbuf_threshold_count = SCTP_DEFAULT_MBUFS_IN_CHAIN;
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uint32_t sctp_auto_asconf = SCTP_DEFAULT_AUTO_ASCONF;
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uint32_t sctp_ecn_enable = 1;
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uint32_t sctp_ecn_nonce = 0;
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uint32_t sctp_strict_sacks = 0;
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uint32_t sctp_no_csum_on_loopback = 1;
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uint32_t sctp_strict_init = 1;
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uint32_t sctp_abort_if_one_2_one_hits_limit = 0;
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uint32_t sctp_strict_data_order = 0;
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uint32_t sctp_peer_chunk_oh = sizeof(struct mbuf);
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uint32_t sctp_max_burst_default = SCTP_DEF_MAX_BURST;
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uint32_t sctp_use_cwnd_based_maxburst = 1;
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uint32_t sctp_do_drain = 1;
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uint32_t sctp_hb_maxburst = SCTP_DEF_MAX_BURST;
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uint32_t sctp_max_chunks_on_queue = SCTP_ASOC_MAX_CHUNKS_ON_QUEUE;
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uint32_t sctp_delayed_sack_time_default = SCTP_RECV_MSEC;
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uint32_t sctp_sack_freq_default = SCTP_DEFAULT_SACK_FREQ;
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uint32_t sctp_heartbeat_interval_default = SCTP_HB_DEFAULT_MSEC;
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uint32_t sctp_pmtu_raise_time_default = SCTP_DEF_PMTU_RAISE_SEC;
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uint32_t sctp_shutdown_guard_time_default = SCTP_DEF_MAX_SHUTDOWN_SEC;
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uint32_t sctp_secret_lifetime_default = SCTP_DEFAULT_SECRET_LIFE_SEC;
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uint32_t sctp_rto_max_default = SCTP_RTO_UPPER_BOUND;
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uint32_t sctp_rto_min_default = SCTP_RTO_LOWER_BOUND;
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uint32_t sctp_rto_initial_default = SCTP_RTO_INITIAL;
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uint32_t sctp_init_rto_max_default = SCTP_RTO_UPPER_BOUND;
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uint32_t sctp_valid_cookie_life_default = SCTP_DEFAULT_COOKIE_LIFE;
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uint32_t sctp_init_rtx_max_default = SCTP_DEF_MAX_INIT;
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uint32_t sctp_assoc_rtx_max_default = SCTP_DEF_MAX_SEND;
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uint32_t sctp_path_rtx_max_default = SCTP_DEF_MAX_PATH_RTX;
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uint32_t sctp_nr_outgoing_streams_default = SCTP_OSTREAM_INITIAL;
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uint32_t sctp_add_more_threshold = SCTP_DEFAULT_ADD_MORE;
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uint32_t sctp_asoc_free_resc_limit = SCTP_DEF_ASOC_RESC_LIMIT;
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uint32_t sctp_system_free_resc_limit = SCTP_DEF_SYSTEM_RESC_LIMIT;
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uint32_t sctp_min_split_point = SCTP_DEFAULT_SPLIT_POINT_MIN;
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uint32_t sctp_pcbtblsize = SCTP_PCBHASHSIZE;
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uint32_t sctp_hashtblsize = SCTP_TCBHASHSIZE;
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uint32_t sctp_chunkscale = SCTP_CHUNKQUEUE_SCALE;
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uint32_t sctp_cmt_on_off = 0;
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uint32_t sctp_cmt_use_dac = 0;
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uint32_t sctp_L2_abc_variable = 1;
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uint32_t sctp_early_fr = 0;
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uint32_t sctp_early_fr_msec = SCTP_MINFR_MSEC_TIMER;
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uint32_t sctp_use_rttvar_cc = 0;
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uint32_t sctp_says_check_for_deadlock = 0;
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uint32_t sctp_asconf_auth_nochk = 0;
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uint32_t sctp_auth_disable = 0;
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uint32_t sctp_nat_friendly = 1;
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struct sctpstat sctpstat;
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#ifdef SCTP_DEBUG
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uint32_t sctp_debug_on = 0;
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#endif
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/*
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* sysctl functions
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*/
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static int
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sctp_assoclist(SYSCTL_HANDLER_ARGS)
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{
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unsigned int number_of_endpoints;
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unsigned int number_of_local_addresses;
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unsigned int number_of_associations;
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unsigned int number_of_remote_addresses;
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unsigned int n;
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int error;
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struct sctp_inpcb *inp;
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struct sctp_tcb *stcb;
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struct sctp_nets *net;
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struct sctp_laddr *laddr;
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struct xsctp_inpcb xinpcb;
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struct xsctp_tcb xstcb;
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/* struct xsctp_laddr xladdr; */
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struct xsctp_raddr xraddr;
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number_of_endpoints = 0;
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number_of_local_addresses = 0;
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number_of_associations = 0;
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number_of_remote_addresses = 0;
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SCTP_INP_INFO_RLOCK();
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if (req->oldptr == USER_ADDR_NULL) {
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LIST_FOREACH(inp, &sctppcbinfo.listhead, sctp_list) {
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SCTP_INP_RLOCK(inp);
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number_of_endpoints++;
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/* FIXME MT */
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LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
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number_of_local_addresses++;
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}
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LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
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number_of_associations++;
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TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
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number_of_remote_addresses++;
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}
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}
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SCTP_INP_RUNLOCK(inp);
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}
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SCTP_INP_INFO_RUNLOCK();
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n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) +
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number_of_local_addresses * sizeof(struct xsctp_laddr) +
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number_of_associations * sizeof(struct xsctp_tcb) +
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number_of_remote_addresses * sizeof(struct xsctp_raddr);
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#ifdef SCTP_DEBUG
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printf("inps = %u, stcbs = %u, laddrs = %u, raddrs = %u\n",
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number_of_endpoints, number_of_associations,
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number_of_local_addresses, number_of_remote_addresses);
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#endif
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/* request some more memory than needed */
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req->oldidx = (n + n / 8);
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return 0;
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}
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if (req->newptr != USER_ADDR_NULL) {
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SCTP_INP_INFO_RUNLOCK();
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return EPERM;
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}
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LIST_FOREACH(inp, &sctppcbinfo.listhead, sctp_list) {
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SCTP_INP_RLOCK(inp);
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number_of_local_addresses = 0;
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number_of_associations = 0;
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/*
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* LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr)
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* { number_of_local_addresses++; }
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*/
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LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
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number_of_associations++;
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}
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xinpcb.last = 0;
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xinpcb.local_port = ntohs(inp->sctp_lport);
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xinpcb.number_local_addresses = number_of_local_addresses;
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xinpcb.number_associations = number_of_associations;
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xinpcb.flags = inp->sctp_flags;
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xinpcb.features = inp->sctp_features;
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xinpcb.total_sends = inp->total_sends;
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xinpcb.total_recvs = inp->total_recvs;
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xinpcb.total_nospaces = inp->total_nospaces;
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SCTP_INP_INCR_REF(inp);
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SCTP_INP_RUNLOCK(inp);
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SCTP_INP_INFO_RUNLOCK();
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error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
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if (error) {
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return error;
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}
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SCTP_INP_INFO_RLOCK();
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SCTP_INP_RLOCK(inp);
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/* FIXME MT */
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/*
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* LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr)
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* { error = SYSCTL_OUT(req, &xladdr, sizeof(struct
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* xsctp_laddr)); if (error) { #if
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* defined(SCTP_PER_SOCKET_LOCKING)
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* SCTP_SOCKET_UNLOCK(SCTP_INP_SO(inp), 1);
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* SCTP_UNLOCK_SHARED(sctppcbinfo.ipi_ep_mtx); #endif
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* SCTP_INP_RUNLOCK(inp); SCTP_INP_INFO_RUNLOCK(); return
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* error; } }
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*/
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LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
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SCTP_TCB_LOCK(stcb);
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atomic_add_int(&stcb->asoc.refcnt, 1);
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SCTP_TCB_UNLOCK(stcb);
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number_of_local_addresses = 0;
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number_of_remote_addresses = 0;
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TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
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number_of_remote_addresses++;
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}
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xstcb.LocalPort = ntohs(inp->sctp_lport);
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xstcb.RemPort = ntohs(stcb->rport);
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if (stcb->asoc.primary_destination != NULL)
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xstcb.RemPrimAddr = stcb->asoc.primary_destination->ro._l_addr;
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xstcb.HeartBeatInterval = stcb->asoc.heart_beat_delay;
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xstcb.State = SCTP_GET_STATE(&stcb->asoc); /* FIXME */
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xstcb.InStreams = stcb->asoc.streamincnt;
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xstcb.OutStreams = stcb->asoc.streamoutcnt;
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xstcb.MaxRetr = stcb->asoc.overall_error_count;
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xstcb.PrimProcess = 0; /* not really supported yet */
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xstcb.T1expireds = stcb->asoc.timoinit + stcb->asoc.timocookie;
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xstcb.T2expireds = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack;
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xstcb.RtxChunks = stcb->asoc.marked_retrans;
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xstcb.StartTime = stcb->asoc.start_time;
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xstcb.DiscontinuityTime = stcb->asoc.discontinuity_time;
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xstcb.number_local_addresses = number_of_local_addresses;
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xstcb.number_remote_addresses = number_of_remote_addresses;
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xstcb.total_sends = stcb->total_sends;
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xstcb.total_recvs = stcb->total_recvs;
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xstcb.local_tag = stcb->asoc.my_vtag;
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xstcb.remote_tag = stcb->asoc.peer_vtag;
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xstcb.initial_tsn = stcb->asoc.init_seq_number;
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xstcb.highest_tsn = stcb->asoc.sending_seq - 1;
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xstcb.cumulative_tsn = stcb->asoc.last_acked_seq;
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xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn;
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SCTP_INP_RUNLOCK(inp);
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SCTP_INP_INFO_RUNLOCK();
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error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
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if (error) {
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atomic_add_int(&stcb->asoc.refcnt, -1);
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return error;
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}
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TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
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xraddr.RemAddr = net->ro._l_addr;
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xraddr.RemAddrActive = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE);
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xraddr.RemAddrConfirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0);
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xraddr.RemAddrHBActive = ((net->dest_state & SCTP_ADDR_NOHB) == 0);
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xraddr.RemAddrRTO = net->RTO;
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xraddr.RemAddrMaxPathRtx = net->failure_threshold;
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xraddr.RemAddrRtx = net->marked_retrans;
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xraddr.RemAddrErrorCounter = net->error_count;
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xraddr.RemAddrCwnd = net->cwnd;
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xraddr.RemAddrFlightSize = net->flight_size;
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xraddr.RemAddrStartTime = net->start_time;
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error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
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if (error) {
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atomic_add_int(&stcb->asoc.refcnt, -1);
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return error;
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}
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}
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atomic_add_int(&stcb->asoc.refcnt, -1);
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SCTP_INP_INFO_RLOCK();
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SCTP_INP_RLOCK(inp);
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}
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SCTP_INP_DECR_REF(inp);
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SCTP_INP_RUNLOCK(inp);
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}
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SCTP_INP_INFO_RUNLOCK();
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xinpcb.last = 1;
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xinpcb.local_port = 0;
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xinpcb.number_local_addresses = 0;
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xinpcb.number_associations = 0;
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xinpcb.flags = 0;
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xinpcb.features = 0;
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error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
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return error;
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}
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/*
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* sysctl definitions
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*/
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SYSCTL_INT(_net_inet_sctp, OID_AUTO, sendspace, CTLFLAG_RW,
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||
|
|
&sctp_sendspace, 0, "Maximum outgoing SCTP buffer size");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, recvspace, CTLFLAG_RW,
|
||
|
|
&sctp_recvspace, 0, "Maximum incoming SCTP buffer size");
|
||
|
|
|
||
|
|
#if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF)
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, auto_asconf, CTLFLAG_RW,
|
||
|
|
&sctp_auto_asconf, 0, "Enable SCTP Auto-ASCONF");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, ecn_enable, CTLFLAG_RW,
|
||
|
|
&sctp_ecn_enable, 0, "Enable SCTP ECN");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, ecn_nonce, CTLFLAG_RW,
|
||
|
|
&sctp_ecn_nonce, 0, "Enable SCTP ECN Nonce");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, strict_sacks, CTLFLAG_RW,
|
||
|
|
&sctp_strict_sacks, 0, "Enable SCTP Strict SACK checking");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLFLAG_RW,
|
||
|
|
&sctp_no_csum_on_loopback, 0,
|
||
|
|
"Enable NO Csum on packets sent on loopback");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, strict_init, CTLFLAG_RW,
|
||
|
|
&sctp_strict_init, 0,
|
||
|
|
"Enable strict INIT/INIT-ACK singleton enforcement");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLFLAG_RW,
|
||
|
|
&sctp_peer_chunk_oh, 0,
|
||
|
|
"Amount to debit peers rwnd per chunk sent");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, maxburst, CTLFLAG_RW,
|
||
|
|
&sctp_max_burst_default, 0,
|
||
|
|
"Default max burst for sctp endpoints");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, maxchunks, CTLFLAG_RW,
|
||
|
|
&sctp_max_chunks_on_queue, 0,
|
||
|
|
"Default max chunks on queue per asoc");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLFLAG_RW,
|
||
|
|
&sctp_hashtblsize, 0,
|
||
|
|
"Tuneable for Hash table sizes");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, min_split_point, CTLFLAG_RW,
|
||
|
|
&sctp_min_split_point, 0,
|
||
|
|
"Minimum size when splitting a chunk");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLFLAG_RW,
|
||
|
|
&sctp_pcbtblsize, 0,
|
||
|
|
"Tuneable for PCB Hash table sizes");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, sys_resource, CTLFLAG_RW,
|
||
|
|
&sctp_system_free_resc_limit, 0,
|
||
|
|
"Max number of cached resources in the system");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, asoc_resource, CTLFLAG_RW,
|
||
|
|
&sctp_asoc_free_resc_limit, 0,
|
||
|
|
"Max number of cached resources in an asoc");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, chunkscale, CTLFLAG_RW,
|
||
|
|
&sctp_chunkscale, 0,
|
||
|
|
"Tuneable for Scaling of number of chunks and messages");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLFLAG_RW,
|
||
|
|
&sctp_delayed_sack_time_default, 0,
|
||
|
|
"Default delayed SACK timer in msec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, sack_freq, CTLFLAG_RW,
|
||
|
|
&sctp_sack_freq_default, 0,
|
||
|
|
"Default SACK frequency");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLFLAG_RW,
|
||
|
|
&sctp_heartbeat_interval_default, 0,
|
||
|
|
"Default heartbeat interval in msec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLFLAG_RW,
|
||
|
|
&sctp_pmtu_raise_time_default, 0,
|
||
|
|
"Default PMTU raise timer in sec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLFLAG_RW,
|
||
|
|
&sctp_shutdown_guard_time_default, 0,
|
||
|
|
"Default shutdown guard timer in sec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLFLAG_RW,
|
||
|
|
&sctp_secret_lifetime_default, 0,
|
||
|
|
"Default secret lifetime in sec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, rto_max, CTLFLAG_RW,
|
||
|
|
&sctp_rto_max_default, 0,
|
||
|
|
"Default maximum retransmission timeout in msec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, rto_min, CTLFLAG_RW,
|
||
|
|
&sctp_rto_min_default, 0,
|
||
|
|
"Default minimum retransmission timeout in msec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, rto_initial, CTLFLAG_RW,
|
||
|
|
&sctp_rto_initial_default, 0,
|
||
|
|
"Default initial retransmission timeout in msec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, init_rto_max, CTLFLAG_RW,
|
||
|
|
&sctp_init_rto_max_default, 0,
|
||
|
|
"Default maximum retransmission timeout during association setup in msec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLFLAG_RW,
|
||
|
|
&sctp_valid_cookie_life_default, 0,
|
||
|
|
"Default cookie lifetime in sec");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLFLAG_RW,
|
||
|
|
&sctp_init_rtx_max_default, 0,
|
||
|
|
"Default maximum number of retransmission for INIT chunks");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLFLAG_RW,
|
||
|
|
&sctp_assoc_rtx_max_default, 0,
|
||
|
|
"Default maximum number of retransmissions per association");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLFLAG_RW,
|
||
|
|
&sctp_path_rtx_max_default, 0,
|
||
|
|
"Default maximum of retransmissions per path");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLFLAG_RW,
|
||
|
|
&sctp_add_more_threshold, 0,
|
||
|
|
"When space wise is it worthwhile to try to add more to a socket send buffer");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLFLAG_RW,
|
||
|
|
&sctp_nr_outgoing_streams_default, 0,
|
||
|
|
"Default number of outgoing streams");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLFLAG_RW,
|
||
|
|
&sctp_cmt_on_off, 0,
|
||
|
|
"CMT ON/OFF flag");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLFLAG_RW,
|
||
|
|
&sctp_use_cwnd_based_maxburst, 0,
|
||
|
|
"Use a CWND adjusting maxburst");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, early_fast_retran, CTLFLAG_RW,
|
||
|
|
&sctp_early_fr, 0,
|
||
|
|
"Early Fast Retransmit with timer");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, use_rttvar_congctrl, CTLFLAG_RW,
|
||
|
|
&sctp_use_rttvar_cc, 0,
|
||
|
|
"Use congestion control via rtt variation");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, deadlock_detect, CTLFLAG_RW,
|
||
|
|
&sctp_says_check_for_deadlock, 0,
|
||
|
|
"SMP Deadlock detection on/off");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, early_fast_retran_msec, CTLFLAG_RW,
|
||
|
|
&sctp_early_fr_msec, 0,
|
||
|
|
"Early Fast Retransmit minimum timer value");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLFLAG_RW,
|
||
|
|
&sctp_asconf_auth_nochk, 0,
|
||
|
|
"Disable SCTP ASCONF AUTH requirement");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, auth_disable, CTLFLAG_RW,
|
||
|
|
&sctp_auth_disable, 0,
|
||
|
|
"Disable SCTP AUTH function");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, nat_friendly, CTLFLAG_RW,
|
||
|
|
&sctp_nat_friendly, 0,
|
||
|
|
"SCTP NAT friendly operation");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, abc_l_var, CTLFLAG_RW,
|
||
|
|
&sctp_L2_abc_variable, 0,
|
||
|
|
"SCTP ABC max increase per SACK (L)");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLFLAG_RW,
|
||
|
|
&sctp_mbuf_threshold_count, 0,
|
||
|
|
"Default max number of small mbufs on a chain");
|
||
|
|
|
||
|
|
SYSCTL_UINT(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLFLAG_RW,
|
||
|
|
&sctp_cmt_use_dac, 0,
|
||
|
|
"CMT DAC ON/OFF flag");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLFLAG_RW,
|
||
|
|
&sctp_do_drain, 0,
|
||
|
|
"Should SCTP respond to the drain calls");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLFLAG_RW,
|
||
|
|
&sctp_hb_maxburst, 0,
|
||
|
|
"Confirmation Heartbeat max burst?");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLFLAG_RW,
|
||
|
|
&sctp_abort_if_one_2_one_hits_limit, 0,
|
||
|
|
"When one-2-one hits qlimit abort");
|
||
|
|
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, strict_data_order, CTLFLAG_RW,
|
||
|
|
&sctp_strict_data_order, 0,
|
||
|
|
"Enforce strict data ordering, abort if control inside data");
|
||
|
|
|
||
|
|
SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW,
|
||
|
|
&sctpstat, sctpstat,
|
||
|
|
"SCTP statistics (struct sctps_stat, netinet/sctp.h");
|
||
|
|
|
||
|
|
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_RD,
|
||
|
|
0, 0, sctp_assoclist,
|
||
|
|
"S,xassoc", "List of active SCTP associations");
|
||
|
|
|
||
|
|
#ifdef SCTP_DEBUG
|
||
|
|
SYSCTL_INT(_net_inet_sctp, OID_AUTO, debug, CTLFLAG_RW,
|
||
|
|
&sctp_debug_on, 0, "Configure debug output");
|
||
|
|
#endif /* SCTP_DEBUG */
|