2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
12 * b) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the distribution.
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <netinet/sctp_os.h>
37 #include <netinet/sctp.h>
38 #include <netinet/sctp_constants.h>
39 #include <netinet/sctp_sysctl.h>
40 #include <netinet/sctp_pcb.h>
41 #include <netinet/sctputil.h>
42 #include <netinet/sctp_output.h>
44 #include <sys/sysctl.h>
46 FEATURE(sctp, "Stream Control Transmission Protocol");
49 * sysctl tunable variables
55 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT;
56 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT;
57 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT;
58 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT;
59 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT;
60 SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT;
61 SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_DEFAULT;
62 SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT;
63 SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT;
64 SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT;
65 SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT;
66 SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT;
67 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT;
68 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT;
69 SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT;
70 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT;
71 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
72 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
73 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT;
74 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
75 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT;
76 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT;
77 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT;
78 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT;
79 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT;
80 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT;
81 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT;
82 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT;
83 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT;
84 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT;
85 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT;
86 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT;
87 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT;
88 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT;
89 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT;
90 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT;
91 SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT;
92 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT;
93 SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT;
94 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT;
95 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT;
96 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT;
97 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT;
98 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT;
99 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT;
100 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT;
101 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT;
102 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT;
103 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT;
104 SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT;
105 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT;
106 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT;
107 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT;
108 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT;
109 SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT;
110 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT;
111 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT;
112 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT;
113 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT;
114 SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT;
115 SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT;
116 SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT;
117 SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT;
118 SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT;
119 SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT;
120 SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT;
121 SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT;
122 SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT;
123 #if defined(SCTP_LOCAL_TRACE_BUF)
124 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
126 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT;
127 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT;
128 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT;
129 #if defined(SCTP_DEBUG)
130 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT;
132 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
133 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT;
138 /* It returns an upper limit. No filtering is done here */
140 sctp_sysctl_number_of_addresses(struct sctp_inpcb *inp)
143 struct sctp_vrf *vrf;
144 struct sctp_ifn *sctp_ifn;
145 struct sctp_ifa *sctp_ifa;
146 struct sctp_laddr *laddr;
149 /* neither Mac OS X nor FreeBSD support mulitple routing functions */
150 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
153 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
154 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
155 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
156 switch (sctp_ifa->address.sa.sa_family) {
171 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
172 switch (laddr->ifa->address.sa.sa_family) {
190 sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req)
192 struct sctp_ifn *sctp_ifn;
193 struct sctp_ifa *sctp_ifa;
194 int loopback_scope, ipv4_local_scope, local_scope, site_scope;
195 int ipv4_addr_legal, ipv6_addr_legal;
196 struct sctp_vrf *vrf;
197 struct xsctp_laddr xladdr;
198 struct sctp_laddr *laddr;
201 /* Turn on all the appropriate scope */
203 /* use association specific values */
204 loopback_scope = stcb->asoc.scope.loopback_scope;
205 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
206 local_scope = stcb->asoc.scope.local_scope;
207 site_scope = stcb->asoc.scope.site_scope;
208 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
209 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
211 /* Use generic values for endpoints. */
213 ipv4_local_scope = 1;
216 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
218 if (SCTP_IPV6_V6ONLY(inp)) {
229 /* neither Mac OS X nor FreeBSD support mulitple routing functions */
230 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
231 SCTP_INP_RUNLOCK(inp);
232 SCTP_INP_INFO_RUNLOCK();
235 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
236 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
237 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn))
238 /* Skip loopback if loopback_scope not set */
240 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
243 * ignore if blacklisted at
246 if (sctp_is_addr_restricted(stcb, sctp_ifa))
249 switch (sctp_ifa->address.sa.sa_family) {
252 if (ipv4_addr_legal) {
253 struct sockaddr_in *sin;
255 sin = &sctp_ifa->address.sin;
256 if (sin->sin_addr.s_addr == 0)
258 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
259 &sin->sin_addr) != 0) {
262 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)))
271 if (ipv6_addr_legal) {
272 struct sockaddr_in6 *sin6;
274 sin6 = &sctp_ifa->address.sin6;
275 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))
277 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
278 &sin6->sin6_addr) != 0) {
281 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
282 if (local_scope == 0)
284 if (sin6->sin6_scope_id == 0) {
290 if (sa6_recoverscope(sin6) != 0)
294 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)))
304 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
305 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore));
306 SCTP_INP_RUNLOCK(inp);
307 SCTP_INP_INFO_RUNLOCK();
308 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
312 SCTP_INP_INFO_RLOCK();
318 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
319 /* ignore if blacklisted at association level */
320 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa))
322 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
323 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore));
324 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec;
325 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec;
326 SCTP_INP_RUNLOCK(inp);
327 SCTP_INP_INFO_RUNLOCK();
328 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
332 SCTP_INP_INFO_RLOCK();
337 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
339 SCTP_INP_RUNLOCK(inp);
340 SCTP_INP_INFO_RUNLOCK();
341 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
346 SCTP_INP_INFO_RLOCK();
356 sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS)
358 unsigned int number_of_endpoints;
359 unsigned int number_of_local_addresses;
360 unsigned int number_of_associations;
361 unsigned int number_of_remote_addresses;
364 struct sctp_inpcb *inp;
365 struct sctp_tcb *stcb;
366 struct sctp_nets *net;
367 struct xsctp_inpcb xinpcb;
368 struct xsctp_tcb xstcb;
369 struct xsctp_raddr xraddr;
372 number_of_endpoints = 0;
373 number_of_local_addresses = 0;
374 number_of_associations = 0;
375 number_of_remote_addresses = 0;
377 SCTP_INP_INFO_RLOCK();
378 if (req->oldptr == NULL) {
379 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
381 number_of_endpoints++;
382 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
383 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
384 number_of_associations++;
385 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
386 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
387 number_of_remote_addresses++;
390 SCTP_INP_RUNLOCK(inp);
392 SCTP_INP_INFO_RUNLOCK();
393 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) +
394 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) +
395 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) +
396 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr);
398 /* request some more memory than needed */
399 req->oldidx = (n + n / 8);
402 if (req->newptr != NULL) {
403 SCTP_INP_INFO_RUNLOCK();
404 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM);
407 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
409 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {
410 /* if its allgone it is being freed - skip it */
414 xinpcb.local_port = ntohs(inp->sctp_lport);
415 xinpcb.flags = inp->sctp_flags;
416 xinpcb.features = inp->sctp_features;
417 xinpcb.total_sends = inp->total_sends;
418 xinpcb.total_recvs = inp->total_recvs;
419 xinpcb.total_nospaces = inp->total_nospaces;
420 xinpcb.fragmentation_point = inp->sctp_frag_point;
421 so = inp->sctp_socket;
423 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
427 xinpcb.qlen = so->so_qlen;
428 xinpcb.maxqlen = so->so_qlimit;
430 SCTP_INP_INCR_REF(inp);
431 SCTP_INP_RUNLOCK(inp);
432 SCTP_INP_INFO_RUNLOCK();
433 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
435 SCTP_INP_DECR_REF(inp);
438 SCTP_INP_INFO_RLOCK();
440 error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req);
442 SCTP_INP_DECR_REF(inp);
445 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
447 atomic_add_int(&stcb->asoc.refcnt, 1);
448 SCTP_TCB_UNLOCK(stcb);
450 xstcb.local_port = ntohs(inp->sctp_lport);
451 xstcb.remote_port = ntohs(stcb->rport);
452 if (stcb->asoc.primary_destination != NULL)
453 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr;
454 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay;
455 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */
456 /* 7.0 does not support these */
457 xstcb.assoc_id = sctp_get_associd(stcb);
458 xstcb.peers_rwnd = stcb->asoc.peers_rwnd;
459 xstcb.in_streams = stcb->asoc.streamincnt;
460 xstcb.out_streams = stcb->asoc.streamoutcnt;
461 xstcb.max_nr_retrans = stcb->asoc.overall_error_count;
462 xstcb.primary_process = 0; /* not really supported
464 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie;
465 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack;
466 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans;
467 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec;
468 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec;
469 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec;
470 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec;
471 xstcb.total_sends = stcb->total_sends;
472 xstcb.total_recvs = stcb->total_recvs;
473 xstcb.local_tag = stcb->asoc.my_vtag;
474 xstcb.remote_tag = stcb->asoc.peer_vtag;
475 xstcb.initial_tsn = stcb->asoc.init_seq_number;
476 xstcb.highest_tsn = stcb->asoc.sending_seq - 1;
477 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq;
478 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn;
479 xstcb.mtu = stcb->asoc.smallest_mtu;
480 xstcb.refcnt = stcb->asoc.refcnt;
481 SCTP_INP_RUNLOCK(inp);
482 SCTP_INP_INFO_RUNLOCK();
483 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
485 SCTP_INP_DECR_REF(inp);
486 atomic_subtract_int(&stcb->asoc.refcnt, 1);
489 SCTP_INP_INFO_RLOCK();
491 error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req);
493 SCTP_INP_DECR_REF(inp);
494 atomic_subtract_int(&stcb->asoc.refcnt, 1);
497 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
499 xraddr.address = net->ro._l_addr;
500 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE);
501 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0);
502 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0);
503 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF);
504 xraddr.rto = net->RTO;
505 xraddr.max_path_rtx = net->failure_threshold;
506 xraddr.rtx = net->marked_retrans;
507 xraddr.error_counter = net->error_count;
508 xraddr.cwnd = net->cwnd;
509 xraddr.flight_size = net->flight_size;
510 xraddr.mtu = net->mtu;
511 xraddr.rtt = net->rtt / 1000;
512 xraddr.heartbeat_interval = net->heart_beat_delay;
513 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec;
514 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec;
515 SCTP_INP_RUNLOCK(inp);
516 SCTP_INP_INFO_RUNLOCK();
517 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
519 SCTP_INP_DECR_REF(inp);
520 atomic_subtract_int(&stcb->asoc.refcnt, 1);
523 SCTP_INP_INFO_RLOCK();
526 atomic_subtract_int(&stcb->asoc.refcnt, 1);
527 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr));
529 SCTP_INP_RUNLOCK(inp);
530 SCTP_INP_INFO_RUNLOCK();
531 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
533 SCTP_INP_DECR_REF(inp);
536 SCTP_INP_INFO_RLOCK();
539 SCTP_INP_DECR_REF(inp);
540 SCTP_INP_RUNLOCK(inp);
541 SCTP_INP_INFO_RUNLOCK();
542 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb));
544 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
549 SCTP_INP_INFO_RLOCK();
551 SCTP_INP_INFO_RUNLOCK();
553 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb));
555 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
560 sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS)
565 SCTP_INP_INFO_RLOCK();
566 old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port);
567 SCTP_INP_INFO_RUNLOCK();
569 error = sysctl_handle_int(oidp, &new, 0, req);
571 (req->newptr != NULL)) {
572 if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) ||
573 (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) {
576 SCTP_INP_INFO_WLOCK();
577 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new;
579 sctp_over_udp_stop();
582 error = sctp_over_udp_start();
584 SCTP_INP_INFO_WUNLOCK();
592 sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS)
597 new = SCTP_BASE_SYSCTL(sctp_auth_disable);
598 error = sysctl_handle_int(oidp, &new, 0, req);
600 (req->newptr != NULL)) {
601 if ((new < SCTPCTL_AUTH_DISABLE_MIN) ||
602 (new > SCTPCTL_AUTH_DISABLE_MAX) ||
603 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) {
606 SCTP_BASE_SYSCTL(sctp_auth_disable) = new;
613 sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS)
618 new = SCTP_BASE_SYSCTL(sctp_asconf_enable);
619 error = sysctl_handle_int(oidp, &new, 0, req);
621 (req->newptr != NULL)) {
622 if ((new < SCTPCTL_ASCONF_ENABLE_MIN) ||
623 (new > SCTPCTL_ASCONF_ENABLE_MAX) ||
624 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_disable) == 1))) {
627 SCTP_BASE_SYSCTL(sctp_asconf_enable) = new;
634 sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS)
638 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
639 struct sctpstat sb_temp;
640 struct sctpstat *sarry;
645 if ((req->newptr != NULL) &&
646 (req->newlen != sizeof(struct sctpstat))) {
650 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
651 memset(&sb, 0, sizeof(sb));
652 memset(&sb_temp, 0, sizeof(sb_temp));
654 if (req->newptr != NULL) {
655 error = SYSCTL_IN(req, &sb_temp, sizeof(sb_temp));
659 for (cpu = 0; cpu < mp_maxid; cpu++) {
660 sarry = &SCTP_BASE_STATS[cpu];
661 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) {
662 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec;
663 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec;
665 sb.sctps_currestab += sarry->sctps_currestab;
666 sb.sctps_activeestab += sarry->sctps_activeestab;
667 sb.sctps_restartestab += sarry->sctps_restartestab;
668 sb.sctps_collisionestab += sarry->sctps_collisionestab;
669 sb.sctps_passiveestab += sarry->sctps_passiveestab;
670 sb.sctps_aborted += sarry->sctps_aborted;
671 sb.sctps_shutdown += sarry->sctps_shutdown;
672 sb.sctps_outoftheblue += sarry->sctps_outoftheblue;
673 sb.sctps_checksumerrors += sarry->sctps_checksumerrors;
674 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks;
675 sb.sctps_outorderchunks += sarry->sctps_outorderchunks;
676 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks;
677 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks;
678 sb.sctps_inorderchunks += sarry->sctps_inorderchunks;
679 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks;
680 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs;
681 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs;
682 sb.sctps_outpackets += sarry->sctps_outpackets;
683 sb.sctps_inpackets += sarry->sctps_inpackets;
684 sb.sctps_recvpackets += sarry->sctps_recvpackets;
685 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams;
686 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata;
687 sb.sctps_recvsacks += sarry->sctps_recvsacks;
688 sb.sctps_recvdata += sarry->sctps_recvdata;
689 sb.sctps_recvdupdata += sarry->sctps_recvdupdata;
690 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat;
691 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack;
692 sb.sctps_recvecne += sarry->sctps_recvecne;
693 sb.sctps_recvauth += sarry->sctps_recvauth;
694 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing;
695 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid;
696 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid;
697 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed;
698 sb.sctps_recvexpress += sarry->sctps_recvexpress;
699 sb.sctps_recvexpressm += sarry->sctps_recvexpressm;
700 sb.sctps_recvnocrc += sarry->sctps_recvnocrc;
701 sb.sctps_recvswcrc += sarry->sctps_recvswcrc;
702 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc;
703 sb.sctps_sendpackets += sarry->sctps_sendpackets;
704 sb.sctps_sendsacks += sarry->sctps_sendsacks;
705 sb.sctps_senddata += sarry->sctps_senddata;
706 sb.sctps_sendretransdata += sarry->sctps_sendretransdata;
707 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans;
708 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans;
709 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat;
710 sb.sctps_sendecne += sarry->sctps_sendecne;
711 sb.sctps_sendauth += sarry->sctps_sendauth;
712 sb.sctps_senderrors += sarry->sctps_senderrors;
713 sb.sctps_sendnocrc += sarry->sctps_sendnocrc;
714 sb.sctps_sendswcrc += sarry->sctps_sendswcrc;
715 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc;
716 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox;
717 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos;
718 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda;
719 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct;
720 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt;
721 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt;
722 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat;
723 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk;
724 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf;
725 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd;
726 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp;
727 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw;
728 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd;
729 sb.sctps_pdrpmark += sarry->sctps_pdrpmark;
730 sb.sctps_timoiterator += sarry->sctps_timoiterator;
731 sb.sctps_timodata += sarry->sctps_timodata;
732 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe;
733 sb.sctps_timoinit += sarry->sctps_timoinit;
734 sb.sctps_timosack += sarry->sctps_timosack;
735 sb.sctps_timoshutdown += sarry->sctps_timoshutdown;
736 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat;
737 sb.sctps_timocookie += sarry->sctps_timocookie;
738 sb.sctps_timosecret += sarry->sctps_timosecret;
739 sb.sctps_timopathmtu += sarry->sctps_timopathmtu;
740 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack;
741 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard;
742 sb.sctps_timostrmrst += sarry->sctps_timostrmrst;
743 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr;
744 sb.sctps_timoasconf += sarry->sctps_timoasconf;
745 sb.sctps_timodelprim += sarry->sctps_timodelprim;
746 sb.sctps_timoautoclose += sarry->sctps_timoautoclose;
747 sb.sctps_timoassockill += sarry->sctps_timoassockill;
748 sb.sctps_timoinpkill += sarry->sctps_timoinpkill;
749 sb.sctps_hdrops += sarry->sctps_hdrops;
750 sb.sctps_badsum += sarry->sctps_badsum;
751 sb.sctps_noport += sarry->sctps_noport;
752 sb.sctps_badvtag += sarry->sctps_badvtag;
753 sb.sctps_badsid += sarry->sctps_badsid;
754 sb.sctps_nomem += sarry->sctps_nomem;
755 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt;
756 sb.sctps_markedretrans += sarry->sctps_markedretrans;
757 sb.sctps_naglesent += sarry->sctps_naglesent;
758 sb.sctps_naglequeued += sarry->sctps_naglequeued;
759 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued;
760 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued;
761 sb.sctps_windowprobed += sarry->sctps_windowprobed;
762 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr;
763 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr;
764 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt;
765 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd;
766 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd;
767 sb.sctps_vtagexpress += sarry->sctps_vtagexpress;
768 sb.sctps_vtagbogus += sarry->sctps_vtagbogus;
769 sb.sctps_primary_randry += sarry->sctps_primary_randry;
770 sb.sctps_cmt_randry += sarry->sctps_cmt_randry;
771 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack;
772 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent;
773 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags;
774 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord;
775 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof;
776 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort;
777 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls;
778 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done;
779 sb.sctps_read_peeks += sarry->sctps_read_peeks;
780 sb.sctps_cached_chk += sarry->sctps_cached_chk;
781 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq;
782 sb.sctps_left_abandon += sarry->sctps_left_abandon;
783 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid;
784 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid;
785 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over;
786 if (req->newptr != NULL)
787 memcpy(sarry, &sb_temp, sizeof(struct sctpstat));
789 error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat));
791 error = SYSCTL_IN(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
794 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
799 #if defined(SCTP_LOCAL_TRACE_BUF)
801 sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS)
805 error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log));
810 sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS)
814 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
820 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \
822 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \
827 new = SCTP_BASE_SYSCTL(var_name); \
828 error = sysctl_handle_int(oidp, &new, 0, req); \
829 if ((error == 0) && (req->newptr != NULL)) { \
830 if ((new < prefix##_MIN) || \
831 (new > prefix##_MAX)) { \
834 SCTP_BASE_SYSCTL(var_name) = new; \
839 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \
840 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \
841 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC);
847 SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM)
848 SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE)
849 SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF)
850 SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE)
851 SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE)
852 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW,
853 NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_DISABLE_DESC);
854 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW,
855 NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC);
856 SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE)
857 SCTP_UINT_SYSCTL(nr_sack_on_off, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE)
858 SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE)
859 SCTP_UINT_SYSCTL(strict_sacks, sctp_strict_sacks, SCTPCTL_STRICT_SACKS)
860 SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH)
861 SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST)
862 SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST)
863 SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS)
864 SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE)
865 SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE)
866 SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT)
867 SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE)
868 SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME)
869 SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ)
870 SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE)
871 SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE)
872 SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL)
873 SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME)
874 SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME)
875 SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME)
876 SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX)
877 SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN)
878 SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL)
879 SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX)
880 SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE)
881 SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX)
882 SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX)
883 SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX)
884 SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD)
885 SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT)
886 SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS)
887 SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS)
888 SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF)
889 SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC)
890 SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST)
891 SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY)
892 SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR)
893 SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS)
894 SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN)
895 SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST)
896 SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT)
897 SCTP_UINT_SYSCTL(strict_data_order, sctp_strict_data_order, SCTPCTL_STRICT_DATA_ORDER)
898 SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL)
899 SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK)
900 SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL)
901 SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE)
902 SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE)
903 SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE)
904 SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE)
905 SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF)
906 #if defined(SCTP_LOCAL_TRACE_BUF)
907 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RD,
908 NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)");
909 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW,
910 NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer");
912 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET | CTLTYPE_UINT | CTLFLAG_RW,
913 NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC);
914 SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE)
915 SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS)
916 SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT)
917 SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING)
918 SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND)
919 SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW)
920 SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT)
921 SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET)
922 SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS)
923 SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN)
924 SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE)
925 SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE)
927 SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG)
929 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
930 SCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED)
932 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET | CTLTYPE_STRUCT | CTLFLAG_RW,
933 NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)");
934 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET | CTLTYPE_OPAQUE | CTLFLAG_RD,
935 NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations");