Ignore machine-check MSRs
[freebsd-src/fkvm-freebsd.git] / sys / netinet / sctp_sysctl.c
blobdac2a9117da00fa8f6a0261d447e955ab3cbee19
1 /*-
2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * a) Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
10 * b) Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the distribution.
14 * c) Neither the name of Cisco Systems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #include <netinet/sctp_os.h>
35 #include <netinet/sctp.h>
36 #include <netinet/sctp_constants.h>
37 #include <netinet/sctp_sysctl.h>
38 #include <netinet/sctp_pcb.h>
39 #include <netinet/sctputil.h>
40 #include <netinet/sctp_output.h>
43 * sysctl tunable variables
46 void
47 sctp_init_sysctls()
49 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT;
50 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT;
51 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT;
52 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT;
53 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT;
54 SCTP_BASE_SYSCTL(sctp_ecn_nonce) = SCTPCTL_ECN_NONCE_DEFAULT;
55 SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT;
56 SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT;
57 SCTP_BASE_SYSCTL(sctp_strict_init) = SCTPCTL_STRICT_INIT_DEFAULT;
58 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT;
59 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT;
60 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT;
61 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
62 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
63 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT;
64 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
65 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT;
66 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT;
67 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT;
68 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT;
69 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT;
70 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT;
71 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT;
72 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT;
73 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT;
74 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT;
75 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT;
76 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT;
77 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT;
78 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT;
79 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT;
80 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT;
81 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT;
82 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT;
83 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT;
84 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT;
85 SCTP_BASE_SYSCTL(sctp_cmt_pf) = SCTPCTL_CMT_PF_DEFAULT;
86 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT;
87 SCTP_BASE_SYSCTL(sctp_early_fr) = SCTPCTL_EARLY_FAST_RETRAN_DEFAULT;
88 SCTP_BASE_SYSCTL(sctp_early_fr_msec) = SCTPCTL_EARLY_FAST_RETRAN_MSEC_DEFAULT;
89 SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk) = SCTPCTL_ASCONF_AUTH_NOCHK_DEFAULT;
90 SCTP_BASE_SYSCTL(sctp_auth_disable) = SCTPCTL_AUTH_DISABLE_DEFAULT;
91 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT;
92 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT;
93 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT;
94 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT;
95 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT;
96 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT;
97 SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT;
98 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT;
99 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT;
100 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT;
101 /* JRS - Variable for default congestion control module */
102 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT;
103 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT;
104 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT;
105 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT;
106 #if defined(SCTP_LOCAL_TRACE_BUF)
107 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
108 #endif
109 SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable) = SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DEFAULT;
110 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT;
111 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT;
112 #if defined(SCTP_DEBUG)
113 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT;
114 #endif
115 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
116 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT;
117 #endif
120 /* It returns an upper limit. No filtering is done here */
121 static unsigned int
122 number_of_addresses(struct sctp_inpcb *inp)
124 int cnt;
125 struct sctp_vrf *vrf;
126 struct sctp_ifn *sctp_ifn;
127 struct sctp_ifa *sctp_ifa;
128 struct sctp_laddr *laddr;
130 cnt = 0;
131 /* neither Mac OS X nor FreeBSD support mulitple routing functions */
132 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
133 return (0);
135 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
136 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
137 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
138 if ((sctp_ifa->address.sa.sa_family == AF_INET) ||
139 (sctp_ifa->address.sa.sa_family == AF_INET6)) {
140 cnt++;
144 } else {
145 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
146 if ((laddr->ifa->address.sa.sa_family == AF_INET) ||
147 (laddr->ifa->address.sa.sa_family == AF_INET6)) {
148 cnt++;
152 return (cnt);
155 static int
156 copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req)
158 struct sctp_ifn *sctp_ifn;
159 struct sctp_ifa *sctp_ifa;
160 int loopback_scope, ipv4_local_scope, local_scope, site_scope;
161 int ipv4_addr_legal, ipv6_addr_legal;
162 struct sctp_vrf *vrf;
163 struct xsctp_laddr xladdr;
164 struct sctp_laddr *laddr;
165 int error;
167 /* Turn on all the appropriate scope */
168 if (stcb) {
169 /* use association specific values */
170 loopback_scope = stcb->asoc.loopback_scope;
171 ipv4_local_scope = stcb->asoc.ipv4_local_scope;
172 local_scope = stcb->asoc.local_scope;
173 site_scope = stcb->asoc.site_scope;
174 } else {
175 /* use generic values for endpoints */
176 loopback_scope = 1;
177 ipv4_local_scope = 1;
178 local_scope = 1;
179 site_scope = 1;
182 /* use only address families of interest */
183 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
184 ipv6_addr_legal = 1;
185 if (SCTP_IPV6_V6ONLY(inp)) {
186 ipv4_addr_legal = 0;
187 } else {
188 ipv4_addr_legal = 1;
190 } else {
191 ipv4_addr_legal = 1;
192 ipv6_addr_legal = 0;
195 error = 0;
197 /* neither Mac OS X nor FreeBSD support mulitple routing functions */
198 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
199 SCTP_INP_RUNLOCK(inp);
200 SCTP_INP_INFO_RUNLOCK();
201 return (-1);
203 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
204 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
205 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn))
206 /* Skip loopback if loopback_scope not set */
207 continue;
208 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
209 if (stcb) {
211 * ignore if blacklisted at
212 * association level
214 if (sctp_is_addr_restricted(stcb, sctp_ifa))
215 continue;
217 switch (sctp_ifa->address.sa.sa_family) {
218 case AF_INET:
219 if (ipv4_addr_legal) {
220 struct sockaddr_in *sin;
222 sin = (struct sockaddr_in *)&sctp_ifa->address.sa;
223 if (sin->sin_addr.s_addr == 0)
224 continue;
225 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)))
226 continue;
227 } else {
228 continue;
230 break;
231 #ifdef INET6
232 case AF_INET6:
233 if (ipv6_addr_legal) {
234 struct sockaddr_in6 *sin6;
236 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa;
237 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))
238 continue;
239 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
240 if (local_scope == 0)
241 continue;
242 if (sin6->sin6_scope_id == 0) {
244 * bad link
245 * local
246 * address
248 if (sa6_recoverscope(sin6) != 0)
249 continue;
252 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)))
253 continue;
254 } else {
255 continue;
257 break;
258 #endif
259 default:
260 continue;
262 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
263 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore));
264 SCTP_INP_RUNLOCK(inp);
265 SCTP_INP_INFO_RUNLOCK();
266 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
267 if (error) {
268 return (error);
269 } else {
270 SCTP_INP_INFO_RLOCK();
271 SCTP_INP_RLOCK(inp);
275 } else {
276 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
277 /* ignore if blacklisted at association level */
278 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa))
279 continue;
280 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
281 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore));
282 xladdr.start_time.tv_sec = (uint32_t) laddr->start_time.tv_sec;
283 xladdr.start_time.tv_usec = (uint32_t) laddr->start_time.tv_usec;
284 SCTP_INP_RUNLOCK(inp);
285 SCTP_INP_INFO_RUNLOCK();
286 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
287 if (error) {
288 return (error);
289 } else {
290 SCTP_INP_INFO_RLOCK();
291 SCTP_INP_RLOCK(inp);
295 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
296 xladdr.last = 1;
297 SCTP_INP_RUNLOCK(inp);
298 SCTP_INP_INFO_RUNLOCK();
299 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
301 if (error) {
302 return (error);
303 } else {
304 SCTP_INP_INFO_RLOCK();
305 SCTP_INP_RLOCK(inp);
306 return (0);
311 * sysctl functions
313 static int
314 sctp_assoclist(SYSCTL_HANDLER_ARGS)
316 unsigned int number_of_endpoints;
317 unsigned int number_of_local_addresses;
318 unsigned int number_of_associations;
319 unsigned int number_of_remote_addresses;
320 unsigned int n;
321 int error;
322 struct sctp_inpcb *inp;
323 struct sctp_tcb *stcb;
324 struct sctp_nets *net;
325 struct xsctp_inpcb xinpcb;
326 struct xsctp_tcb xstcb;
327 struct xsctp_raddr xraddr;
329 number_of_endpoints = 0;
330 number_of_local_addresses = 0;
331 number_of_associations = 0;
332 number_of_remote_addresses = 0;
334 SCTP_INP_INFO_RLOCK();
335 if (req->oldptr == USER_ADDR_NULL) {
336 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
337 SCTP_INP_RLOCK(inp);
338 number_of_endpoints++;
339 number_of_local_addresses += number_of_addresses(inp);
340 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
341 number_of_associations++;
342 number_of_local_addresses += number_of_addresses(inp);
343 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
344 number_of_remote_addresses++;
347 SCTP_INP_RUNLOCK(inp);
349 SCTP_INP_INFO_RUNLOCK();
350 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) +
351 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) +
352 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) +
353 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr);
355 /* request some more memory than needed */
356 req->oldidx = (n + n / 8);
357 return 0;
359 if (req->newptr != USER_ADDR_NULL) {
360 SCTP_INP_INFO_RUNLOCK();
361 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM);
362 return EPERM;
364 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
365 SCTP_INP_RLOCK(inp);
366 xinpcb.last = 0;
367 xinpcb.local_port = ntohs(inp->sctp_lport);
368 xinpcb.flags = inp->sctp_flags;
369 xinpcb.features = inp->sctp_features;
370 xinpcb.total_sends = inp->total_sends;
371 xinpcb.total_recvs = inp->total_recvs;
372 xinpcb.total_nospaces = inp->total_nospaces;
373 xinpcb.fragmentation_point = inp->sctp_frag_point;
374 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
375 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
376 xinpcb.qlen = 0;
377 xinpcb.maxqlen = 0;
378 } else {
379 xinpcb.qlen = inp->sctp_socket->so_qlen;
380 xinpcb.maxqlen = inp->sctp_socket->so_qlimit;
382 SCTP_INP_INCR_REF(inp);
383 SCTP_INP_RUNLOCK(inp);
384 SCTP_INP_INFO_RUNLOCK();
385 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
386 if (error) {
387 SCTP_INP_DECR_REF(inp);
388 return error;
390 SCTP_INP_INFO_RLOCK();
391 SCTP_INP_RLOCK(inp);
392 error = copy_out_local_addresses(inp, NULL, req);
393 if (error) {
394 SCTP_INP_DECR_REF(inp);
395 return error;
397 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
398 SCTP_TCB_LOCK(stcb);
399 atomic_add_int(&stcb->asoc.refcnt, 1);
400 SCTP_TCB_UNLOCK(stcb);
401 xstcb.last = 0;
402 xstcb.local_port = ntohs(inp->sctp_lport);
403 xstcb.remote_port = ntohs(stcb->rport);
404 if (stcb->asoc.primary_destination != NULL)
405 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr;
406 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay;
407 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */
408 xstcb.in_streams = stcb->asoc.streamincnt;
409 xstcb.out_streams = stcb->asoc.streamoutcnt;
410 xstcb.max_nr_retrans = stcb->asoc.overall_error_count;
411 xstcb.primary_process = 0; /* not really supported
412 * yet */
413 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie;
414 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack;
415 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans;
416 xstcb.start_time.tv_sec = (uint32_t) stcb->asoc.start_time.tv_sec;
417 xstcb.start_time.tv_usec = (uint32_t) stcb->asoc.start_time.tv_usec;
418 xstcb.discontinuity_time.tv_sec = (uint32_t) stcb->asoc.discontinuity_time.tv_sec;
419 xstcb.discontinuity_time.tv_usec = (uint32_t) stcb->asoc.discontinuity_time.tv_usec;
420 xstcb.total_sends = stcb->total_sends;
421 xstcb.total_recvs = stcb->total_recvs;
422 xstcb.local_tag = stcb->asoc.my_vtag;
423 xstcb.remote_tag = stcb->asoc.peer_vtag;
424 xstcb.initial_tsn = stcb->asoc.init_seq_number;
425 xstcb.highest_tsn = stcb->asoc.sending_seq - 1;
426 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq;
427 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn;
428 xstcb.mtu = stcb->asoc.smallest_mtu;
429 xstcb.refcnt = stcb->asoc.refcnt;
430 SCTP_INP_RUNLOCK(inp);
431 SCTP_INP_INFO_RUNLOCK();
432 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
433 if (error) {
434 SCTP_INP_DECR_REF(inp);
435 atomic_subtract_int(&stcb->asoc.refcnt, 1);
436 return error;
438 SCTP_INP_INFO_RLOCK();
439 SCTP_INP_RLOCK(inp);
440 error = copy_out_local_addresses(inp, stcb, req);
441 if (error) {
442 SCTP_INP_DECR_REF(inp);
443 atomic_subtract_int(&stcb->asoc.refcnt, 1);
444 return error;
446 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
447 xraddr.last = 0;
448 xraddr.address = net->ro._l_addr;
449 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE);
450 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0);
451 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0);
452 xraddr.rto = net->RTO;
453 xraddr.max_path_rtx = net->failure_threshold;
454 xraddr.rtx = net->marked_retrans;
455 xraddr.error_counter = net->error_count;
456 xraddr.cwnd = net->cwnd;
457 xraddr.flight_size = net->flight_size;
458 xraddr.mtu = net->mtu;
459 xraddr.start_time.tv_sec = (uint32_t) net->start_time.tv_sec;
460 xraddr.start_time.tv_usec = (uint32_t) net->start_time.tv_usec;
461 SCTP_INP_RUNLOCK(inp);
462 SCTP_INP_INFO_RUNLOCK();
463 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
464 if (error) {
465 SCTP_INP_DECR_REF(inp);
466 atomic_subtract_int(&stcb->asoc.refcnt, 1);
467 return error;
469 SCTP_INP_INFO_RLOCK();
470 SCTP_INP_RLOCK(inp);
472 atomic_subtract_int(&stcb->asoc.refcnt, 1);
473 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr));
474 xraddr.last = 1;
475 SCTP_INP_RUNLOCK(inp);
476 SCTP_INP_INFO_RUNLOCK();
477 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
478 if (error) {
479 SCTP_INP_DECR_REF(inp);
480 return error;
482 SCTP_INP_INFO_RLOCK();
483 SCTP_INP_RLOCK(inp);
485 SCTP_INP_DECR_REF(inp);
486 SCTP_INP_RUNLOCK(inp);
487 SCTP_INP_INFO_RUNLOCK();
488 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb));
489 xstcb.last = 1;
490 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
491 if (error) {
492 return error;
494 SCTP_INP_INFO_RLOCK();
496 SCTP_INP_INFO_RUNLOCK();
498 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb));
499 xinpcb.last = 1;
500 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
501 return error;
506 #define RANGECHK(var, min, max) \
507 if ((var) < (min)) { (var) = (min); } \
508 else if ((var) > (max)) { (var) = (max); }
510 static int
511 sysctl_sctp_udp_tunneling_check(SYSCTL_HANDLER_ARGS)
513 int error;
514 uint32_t old_sctp_udp_tunneling_port;
516 old_sctp_udp_tunneling_port = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port);
517 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
518 if (error == 0) {
519 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), SCTPCTL_UDP_TUNNELING_PORT_MIN, SCTPCTL_UDP_TUNNELING_PORT_MAX);
520 if (old_sctp_udp_tunneling_port) {
521 sctp_over_udp_stop();
523 if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)) {
524 if (sctp_over_udp_start()) {
525 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = 0;
529 return (error);
533 static int
534 sysctl_sctp_check(SYSCTL_HANDLER_ARGS)
536 int error;
538 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
539 if (error == 0) {
540 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX);
541 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX);
542 #if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF)
543 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
544 #endif
545 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX);
546 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_nonce), SCTPCTL_ECN_NONCE_MIN, SCTPCTL_ECN_NONCE_MAX);
547 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX);
548 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX);
549 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_init), SCTPCTL_STRICT_INIT_MIN, SCTPCTL_STRICT_INIT_MAX);
550 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX);
551 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX);
552 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX);
553 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX);
554 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX);
555 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX);
556 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX);
557 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX);
558 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX);
559 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX);
560 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX);
561 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX);
562 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX);
563 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX);
564 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX);
565 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX);
566 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX);
567 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX);
568 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX);
569 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX);
570 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX);
571 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX);
572 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX);
573 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX);
574 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX);
575 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX);
576 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX);
577 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_pf), SCTPCTL_CMT_PF_MIN, SCTPCTL_CMT_PF_MAX);
578 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX);
579 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr), SCTPCTL_EARLY_FAST_RETRAN_MIN, SCTPCTL_EARLY_FAST_RETRAN_MAX);
580 RANGECHK(SCTP_BASE_SYSCTL(sctp_early_fr_msec), SCTPCTL_EARLY_FAST_RETRAN_MSEC_MIN, SCTPCTL_EARLY_FAST_RETRAN_MSEC_MAX);
581 RANGECHK(SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), SCTPCTL_ASCONF_AUTH_NOCHK_MIN, SCTPCTL_ASCONF_AUTH_NOCHK_MAX);
582 RANGECHK(SCTP_BASE_SYSCTL(sctp_auth_disable), SCTPCTL_AUTH_DISABLE_MIN, SCTPCTL_AUTH_DISABLE_MAX);
583 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX);
584 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX);
585 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX);
586 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX);
587 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX);
588 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX);
589 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX);
590 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX);
591 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX);
592 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX);
593 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX);
594 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX);
595 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE)
596 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX);
597 #endif
598 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF)
599 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX);
600 #endif
601 RANGECHK(SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MIN, SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_MAX);
602 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX);
603 #ifdef SCTP_DEBUG
604 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX);
605 #endif
606 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
607 RANGECHK(SCTP_BASE_SYSCTL(sctp_output_unlocked), SCTPCTL_OUTPUT_UNLOCKED_MIN, SCTPCTL_OUTPUT_UNLOCKED_MAX);
608 #endif
610 return (error);
615 #if defined(SCTP_LOCAL_TRACE_BUF)
616 static int
617 sysctl_sctp_cleartrace(SYSCTL_HANDLER_ARGS)
619 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
620 return (0);
623 #endif
628 * sysctl definitions
631 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sendspace, CTLTYPE_INT | CTLFLAG_RW,
632 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sysctl_sctp_check, "IU",
633 SCTPCTL_MAXDGRAM_DESC);
635 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, recvspace, CTLTYPE_INT | CTLFLAG_RW,
636 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sysctl_sctp_check, "IU",
637 SCTPCTL_RECVSPACE_DESC);
639 #if defined(__FreeBSD__) || defined(SCTP_APPLE_AUTO_ASCONF)
640 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auto_asconf, CTLTYPE_INT | CTLFLAG_RW,
641 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sysctl_sctp_check, "IU",
642 SCTPCTL_AUTOASCONF_DESC);
643 #endif
645 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_enable, CTLTYPE_INT | CTLFLAG_RW,
646 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU",
647 SCTPCTL_ECN_ENABLE_DESC);
649 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ecn_nonce, CTLTYPE_INT | CTLFLAG_RW,
650 &SCTP_BASE_SYSCTL(sctp_ecn_nonce), 0, sysctl_sctp_check, "IU",
651 SCTPCTL_ECN_NONCE_DESC);
653 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_INT | CTLFLAG_RW,
654 &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU",
655 SCTPCTL_STRICT_SACKS_DESC);
657 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, loopback_nocsum, CTLTYPE_INT | CTLFLAG_RW,
658 &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sysctl_sctp_check, "IU",
659 SCTPCTL_LOOPBACK_NOCSUM_DESC);
661 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_init, CTLTYPE_INT | CTLFLAG_RW,
662 &SCTP_BASE_SYSCTL(sctp_strict_init), 0, sysctl_sctp_check, "IU",
663 SCTPCTL_STRICT_INIT_DESC);
665 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, peer_chkoh, CTLTYPE_INT | CTLFLAG_RW,
666 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sysctl_sctp_check, "IU",
667 SCTPCTL_PEER_CHKOH_DESC);
669 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxburst, CTLTYPE_INT | CTLFLAG_RW,
670 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sysctl_sctp_check, "IU",
671 SCTPCTL_MAXBURST_DESC);
673 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, maxchunks, CTLTYPE_INT | CTLFLAG_RW,
674 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sysctl_sctp_check, "IU",
675 SCTPCTL_MAXCHUNKS_DESC);
677 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, tcbhashsize, CTLTYPE_INT | CTLFLAG_RW,
678 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sysctl_sctp_check, "IU",
679 SCTPCTL_TCBHASHSIZE_DESC);
681 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pcbhashsize, CTLTYPE_INT | CTLFLAG_RW,
682 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sysctl_sctp_check, "IU",
683 SCTPCTL_PCBHASHSIZE_DESC);
685 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_split_point, CTLTYPE_INT | CTLFLAG_RW,
686 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sysctl_sctp_check, "IU",
687 SCTPCTL_MIN_SPLIT_POINT_DESC);
689 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, chunkscale, CTLTYPE_INT | CTLFLAG_RW,
690 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sysctl_sctp_check, "IU",
691 SCTPCTL_CHUNKSCALE_DESC);
693 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, delayed_sack_time, CTLTYPE_INT | CTLFLAG_RW,
694 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sysctl_sctp_check, "IU",
695 SCTPCTL_DELAYED_SACK_TIME_DESC);
697 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sack_freq, CTLTYPE_INT | CTLFLAG_RW,
698 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sysctl_sctp_check, "IU",
699 SCTPCTL_SACK_FREQ_DESC);
701 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, sys_resource, CTLTYPE_INT | CTLFLAG_RW,
702 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sysctl_sctp_check, "IU",
703 SCTPCTL_SYS_RESOURCE_DESC);
705 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asoc_resource, CTLTYPE_INT | CTLFLAG_RW,
706 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sysctl_sctp_check, "IU",
707 SCTPCTL_ASOC_RESOURCE_DESC);
709 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, heartbeat_interval, CTLTYPE_INT | CTLFLAG_RW,
710 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sysctl_sctp_check, "IU",
711 SCTPCTL_HEARTBEAT_INTERVAL_DESC);
713 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, pmtu_raise_time, CTLTYPE_INT | CTLFLAG_RW,
714 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sysctl_sctp_check, "IU",
715 SCTPCTL_PMTU_RAISE_TIME_DESC);
717 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, shutdown_guard_time, CTLTYPE_INT | CTLFLAG_RW,
718 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sysctl_sctp_check, "IU",
719 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC);
721 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, secret_lifetime, CTLTYPE_INT | CTLFLAG_RW,
722 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sysctl_sctp_check, "IU",
723 SCTPCTL_SECRET_LIFETIME_DESC);
725 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_max, CTLTYPE_INT | CTLFLAG_RW,
726 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sysctl_sctp_check, "IU",
727 SCTPCTL_RTO_MAX_DESC);
729 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_min, CTLTYPE_INT | CTLFLAG_RW,
730 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sysctl_sctp_check, "IU",
731 SCTPCTL_RTO_MIN_DESC);
733 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, rto_initial, CTLTYPE_INT | CTLFLAG_RW,
734 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sysctl_sctp_check, "IU",
735 SCTPCTL_RTO_INITIAL_DESC);
737 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rto_max, CTLTYPE_INT | CTLFLAG_RW,
738 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sysctl_sctp_check, "IU",
739 SCTPCTL_INIT_RTO_MAX_DESC);
741 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, valid_cookie_life, CTLTYPE_INT | CTLFLAG_RW,
742 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sysctl_sctp_check, "IU",
743 SCTPCTL_VALID_COOKIE_LIFE_DESC);
745 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, init_rtx_max, CTLTYPE_INT | CTLFLAG_RW,
746 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sysctl_sctp_check, "IU",
747 SCTPCTL_INIT_RTX_MAX_DESC);
749 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoc_rtx_max, CTLTYPE_INT | CTLFLAG_RW,
750 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sysctl_sctp_check, "IU",
751 SCTPCTL_ASSOC_RTX_MAX_DESC);
753 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, path_rtx_max, CTLTYPE_INT | CTLFLAG_RW,
754 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sysctl_sctp_check, "IU",
755 SCTPCTL_PATH_RTX_MAX_DESC);
757 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, add_more_on_output, CTLTYPE_INT | CTLFLAG_RW,
758 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sysctl_sctp_check, "IU",
759 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC);
761 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, outgoing_streams, CTLTYPE_INT | CTLFLAG_RW,
762 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sysctl_sctp_check, "IU",
763 SCTPCTL_OUTGOING_STREAMS_DESC);
765 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_on_off, CTLTYPE_INT | CTLFLAG_RW,
766 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sysctl_sctp_check, "IU",
767 SCTPCTL_CMT_ON_OFF_DESC);
769 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_use_dac, CTLTYPE_INT | CTLFLAG_RW,
770 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sysctl_sctp_check, "IU",
771 SCTPCTL_CMT_USE_DAC_DESC);
773 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cmt_pf, CTLTYPE_INT | CTLFLAG_RW,
774 &SCTP_BASE_SYSCTL(sctp_cmt_pf), 0, sysctl_sctp_check, "IU",
775 SCTPCTL_CMT_PF_DESC);
777 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, cwnd_maxburst, CTLTYPE_INT | CTLFLAG_RW,
778 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sysctl_sctp_check, "IU",
779 SCTPCTL_CWND_MAXBURST_DESC);
781 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran, CTLTYPE_INT | CTLFLAG_RW,
782 &SCTP_BASE_SYSCTL(sctp_early_fr), 0, sysctl_sctp_check, "IU",
783 SCTPCTL_EARLY_FAST_RETRAN_DESC);
785 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, early_fast_retran_msec, CTLTYPE_INT | CTLFLAG_RW,
786 &SCTP_BASE_SYSCTL(sctp_early_fr_msec), 0, sysctl_sctp_check, "IU",
787 SCTPCTL_EARLY_FAST_RETRAN_MSEC_DESC);
789 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_auth_nochk, CTLTYPE_INT | CTLFLAG_RW,
790 &SCTP_BASE_SYSCTL(sctp_asconf_auth_nochk), 0, sysctl_sctp_check, "IU",
791 SCTPCTL_ASCONF_AUTH_NOCHK_DESC);
793 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_disable, CTLTYPE_INT | CTLFLAG_RW,
794 &SCTP_BASE_SYSCTL(sctp_auth_disable), 0, sysctl_sctp_check, "IU",
795 SCTPCTL_AUTH_DISABLE_DESC);
797 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, nat_friendly, CTLTYPE_INT | CTLFLAG_RW,
798 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sysctl_sctp_check, "IU",
799 SCTPCTL_NAT_FRIENDLY_DESC);
801 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abc_l_var, CTLTYPE_INT | CTLFLAG_RW,
802 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sysctl_sctp_check, "IU",
803 SCTPCTL_ABC_L_VAR_DESC);
805 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_chained_mbufs, CTLTYPE_INT | CTLFLAG_RW,
806 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sysctl_sctp_check, "IU",
807 SCTPCTL_MAX_CHAINED_MBUFS_DESC);
809 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, do_sctp_drain, CTLTYPE_INT | CTLFLAG_RW,
810 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sysctl_sctp_check, "IU",
811 SCTPCTL_DO_SCTP_DRAIN_DESC);
813 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, hb_max_burst, CTLTYPE_INT | CTLFLAG_RW,
814 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sysctl_sctp_check, "IU",
815 SCTPCTL_HB_MAX_BURST_DESC);
817 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, abort_at_limit, CTLTYPE_INT | CTLFLAG_RW,
818 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sysctl_sctp_check, "IU",
819 SCTPCTL_ABORT_AT_LIMIT_DESC);
821 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, strict_data_order, CTLTYPE_INT | CTLFLAG_RW,
822 &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sysctl_sctp_check, "IU",
823 SCTPCTL_STRICT_DATA_ORDER_DESC);
825 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, min_residual, CTLTYPE_INT | CTLFLAG_RW,
826 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sysctl_sctp_check, "IU",
827 SCTPCTL_MIN_RESIDUAL_DESC);
829 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, max_retran_chunk, CTLTYPE_INT | CTLFLAG_RW,
830 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sysctl_sctp_check, "IU",
831 SCTPCTL_MAX_RETRAN_CHUNK_DESC);
833 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log_level, CTLTYPE_INT | CTLFLAG_RW,
834 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sysctl_sctp_check, "IU",
835 SCTPCTL_LOGGING_LEVEL_DESC);
837 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_cc_module, CTLTYPE_INT | CTLFLAG_RW,
838 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sysctl_sctp_check, "IU",
839 SCTPCTL_DEFAULT_CC_MODULE_DESC);
841 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, default_frag_interleave, CTLTYPE_INT | CTLFLAG_RW,
842 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sysctl_sctp_check, "IU",
843 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC);
845 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_BASE)
846 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_base, CTLTYPE_INT | CTLFLAG_RW,
847 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sysctl_sctp_check, "IU",
848 SCTPCTL_MOBILITY_BASE_DESC);
849 #endif
851 #if defined(__FreeBSD__) || defined(SCTP_APPLE_MOBILITY_FASTHANDOFF)
852 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mobility_fasthandoff, CTLTYPE_INT | CTLFLAG_RW,
853 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sysctl_sctp_check, "IU",
854 SCTPCTL_MOBILITY_FASTHANDOFF_DESC);
855 #endif
857 #if defined(SCTP_LOCAL_TRACE_BUF)
858 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, log, CTLFLAG_RD,
859 &SCTP_BASE_SYSCTL(sctp_log), sctp_log,
860 "SCTP logging (struct sctp_log)");
862 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLTYPE_OPAQUE | CTLFLAG_RW,
863 &SCTP_BASE_SYSCTL(sctp_log), 0, sysctl_sctp_cleartrace, "IU",
864 "Clear SCTP Logging buffer");
868 #endif
870 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_for_client_enable, CTLTYPE_INT | CTLFLAG_RW,
871 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable), 0, sysctl_sctp_check, "IU",
872 SCTPCTL_UDP_TUNNELING_FOR_CLIENT_ENABLE_DESC);
874 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLTYPE_INT | CTLFLAG_RW,
875 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sysctl_sctp_udp_tunneling_check, "IU",
876 SCTPCTL_UDP_TUNNELING_PORT_DESC);
878 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, enable_sack_immediately, CTLTYPE_INT | CTLFLAG_RW,
879 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sysctl_sctp_check, "IU",
880 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC);
882 #ifdef SCTP_DEBUG
883 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, debug, CTLTYPE_INT | CTLFLAG_RW,
884 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sysctl_sctp_check, "IU",
885 SCTPCTL_DEBUG_DESC);
886 #endif /* SCTP_DEBUG */
889 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
890 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, output_unlocked, CTLTYPE_INT | CTLFLAG_RW,
891 &SCTP_BASE_SYSCTL(sctp_output_unlocked), 0, sysctl_sctp_check, "IU",
892 SCTPCTL_OUTPUT_UNLOCKED_DESC);
893 #endif
895 SYSCTL_STRUCT(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_RW,
896 &SCTP_BASE_STATS, sctpstat,
897 "SCTP statistics (struct sctp_stat)");
899 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_RD,
900 0, 0, sctp_assoclist,
901 "S,xassoc", "List of active SCTP associations");