1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.
5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
10 *
11 * a) Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 *
14 * b) Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the distribution.
17 *
18 * c) Neither the name of Cisco Systems, Inc. nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #if defined(__FreeBSD__) && !defined(__Userspace__)
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD: head/sys/netinet/sctp_sysctl.c 365071 2020-09-01 21:19:14Z mjg $");
38 #endif
39
40 #include <netinet/sctp_os.h>
41 #include <netinet/sctp.h>
42 #include <netinet/sctp_constants.h>
43 #include <netinet/sctp_sysctl.h>
44 #include <netinet/sctp_pcb.h>
45 #include <netinet/sctputil.h>
46 #include <netinet/sctp_output.h>
47 #if defined(__FreeBSD__) && !defined(__Userspace__)
48 #include <sys/smp.h>
49 #include <sys/sysctl.h>
50 #endif
51 #if defined(__APPLE__) && !defined(__Userspace__)
52 #include <netinet/sctp_bsd_addr.h>
53 #endif
54
55 #if defined(__FreeBSD__) && !defined(__Userspace__)
56 FEATURE(sctp, "Stream Control Transmission Protocol");
57 #endif
58
59 /*
60 * sysctl tunable variables
61 */
62
63 void
sctp_init_sysctls()64 sctp_init_sysctls()
65 {
66 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT;
67 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT;
68 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT;
69 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT;
70 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT;
71 SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT;
72 SCTP_BASE_SYSCTL(sctp_auth_enable) = SCTPCTL_AUTH_ENABLE_DEFAULT;
73 SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT;
74 SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT;
75 SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT;
76 SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT;
77 #if !(defined(__FreeBSD__) && !defined(__Userspace__))
78 SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT;
79 #endif
80 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT;
81 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT;
82 SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT;
83 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT;
84 #if defined(__Userspace__)
85 if (SCTP_BASE_SYSCTL(sctp_hashtblsize) == 0) {
86 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
87 }
88 #else
89 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
90 #endif
91 #if defined(__Userspace__)
92 if (SCTP_BASE_SYSCTL(sctp_pcbtblsize) == 0) {
93 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
94 }
95 #else
96 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
97 #endif
98 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT;
99 #if defined(__Userspace__)
100 if (SCTP_BASE_SYSCTL(sctp_chunkscale) == 0) {
101 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
102 }
103 #else
104 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
105 #endif
106 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT;
107 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT;
108 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT;
109 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT;
110 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT;
111 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT;
112 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT;
113 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT;
114 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT;
115 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT;
116 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT;
117 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT;
118 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT;
119 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT;
120 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT;
121 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT;
122 SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT;
123 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT;
124 SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT;
125 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT;
126 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT;
127 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT;
128 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT;
129 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT;
130 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT;
131 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT;
132 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT;
133 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT;
134 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT;
135 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT;
136 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT;
137 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT;
138 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT;
139 SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT;
140 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT;
141 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT;
142 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT;
143 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT;
144 SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT;
145 SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT;
146 SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT;
147 SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT;
148 SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT;
149 SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT;
150 SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT;
151 SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT;
152 SCTP_BASE_SYSCTL(sctp_sendall_limit) = SCTPCTL_SENDALL_LIMIT_DEFAULT;
153 SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT;
154 #if defined(SCTP_LOCAL_TRACE_BUF)
155 #if defined(_WIN32) && !defined(__Userspace__)
156 /* On Windows, the resource for global variables is limited. */
157 MALLOC(SCTP_BASE_SYSCTL(sctp_log), struct sctp_log *, sizeof(struct sctp_log), M_SYSCTL, M_ZERO);
158 #else
159 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
160 #endif
161 #endif
162 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT;
163 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT;
164 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT;
165 #if defined(SCTP_DEBUG)
166 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT;
167 #endif
168 #if defined(__APPLE__) && !defined(__Userspace__)
169 SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = SCTPCTL_IGNORE_VMWARE_INTERFACES_DEFAULT;
170 SCTP_BASE_SYSCTL(sctp_main_timer) = SCTPCTL_MAIN_TIMER_DEFAULT;
171 SCTP_BASE_SYSCTL(sctp_addr_watchdog_limit) = SCTPCTL_ADDR_WATCHDOG_LIMIT_DEFAULT;
172 SCTP_BASE_SYSCTL(sctp_vtag_watchdog_limit) = SCTPCTL_VTAG_WATCHDOG_LIMIT_DEFAULT;
173 #endif
174 #if defined(__APPLE__) && !defined(__Userspace__)
175 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT;
176 #endif
177 }
178 #if defined(_WIN32) && !defined(__Userspace__)
179
180 void
sctp_finish_sysctls()181 sctp_finish_sysctls()
182 {
183 #if defined(SCTP_LOCAL_TRACE_BUF)
184 if (SCTP_BASE_SYSCTL(sctp_log) != NULL) {
185 FREE(SCTP_BASE_SYSCTL(sctp_log), M_SYSCTL);
186 SCTP_BASE_SYSCTL(sctp_log) = NULL;
187 }
188 #endif
189 }
190 #endif
191
192 #if !defined(__Userspace__)
193 /* It returns an upper limit. No filtering is done here */
194 static unsigned int
sctp_sysctl_number_of_addresses(struct sctp_inpcb * inp)195 sctp_sysctl_number_of_addresses(struct sctp_inpcb *inp)
196 {
197 unsigned int cnt;
198 struct sctp_vrf *vrf;
199 struct sctp_ifn *sctp_ifn;
200 struct sctp_ifa *sctp_ifa;
201 struct sctp_laddr *laddr;
202
203 cnt = 0;
204 /* neither Mac OS X nor FreeBSD support mulitple routing functions */
205 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
206 return (0);
207 }
208 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
209 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
210 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
211 switch (sctp_ifa->address.sa.sa_family) {
212 #ifdef INET
213 case AF_INET:
214 #endif
215 #ifdef INET6
216 case AF_INET6:
217 #endif
218 cnt++;
219 break;
220 default:
221 break;
222 }
223 }
224 }
225 } else {
226 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
227 switch (laddr->ifa->address.sa.sa_family) {
228 #ifdef INET
229 case AF_INET:
230 #endif
231 #ifdef INET6
232 case AF_INET6:
233 #endif
234 cnt++;
235 break;
236 default:
237 break;
238 }
239 }
240 }
241 return (cnt);
242 }
243
244 static int
sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb * inp,struct sctp_tcb * stcb,struct sysctl_req * req)245 sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req)
246 {
247 struct sctp_ifn *sctp_ifn;
248 struct sctp_ifa *sctp_ifa;
249 int loopback_scope, ipv4_local_scope, local_scope, site_scope;
250 int ipv4_addr_legal, ipv6_addr_legal;
251 #if defined(__Userspace__)
252 int conn_addr_legal;
253 #endif
254 struct sctp_vrf *vrf;
255 struct xsctp_laddr xladdr;
256 struct sctp_laddr *laddr;
257 int error;
258
259 /* Turn on all the appropriate scope */
260 if (stcb) {
261 /* use association specific values */
262 loopback_scope = stcb->asoc.scope.loopback_scope;
263 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
264 local_scope = stcb->asoc.scope.local_scope;
265 site_scope = stcb->asoc.scope.site_scope;
266 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
267 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
268 #if defined(__Userspace__)
269 conn_addr_legal = stcb->asoc.scope.conn_addr_legal;
270 #endif
271 } else {
272 /* Use generic values for endpoints. */
273 loopback_scope = 1;
274 ipv4_local_scope = 1;
275 local_scope = 1;
276 site_scope = 1;
277 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
278 ipv6_addr_legal = 1;
279 if (SCTP_IPV6_V6ONLY(inp)) {
280 ipv4_addr_legal = 0;
281 } else {
282 ipv4_addr_legal = 1;
283 }
284 #if defined(__Userspace__)
285 conn_addr_legal = 0;
286 #endif
287 } else {
288 ipv6_addr_legal = 0;
289 #if defined(__Userspace__)
290 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) {
291 conn_addr_legal = 1;
292 ipv4_addr_legal = 0;
293 } else {
294 conn_addr_legal = 0;
295 ipv4_addr_legal = 1;
296 }
297 #else
298 ipv4_addr_legal = 1;
299 #endif
300 }
301 }
302
303 /* neither Mac OS X nor FreeBSD support mulitple routing functions */
304 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
305 SCTP_INP_RUNLOCK(inp);
306 SCTP_INP_INFO_RUNLOCK();
307 return (-1);
308 }
309 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
310 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
311 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn))
312 /* Skip loopback if loopback_scope not set */
313 continue;
314 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
315 if (stcb) {
316 /*
317 * ignore if blacklisted at
318 * association level
319 */
320 if (sctp_is_addr_restricted(stcb, sctp_ifa))
321 continue;
322 }
323 switch (sctp_ifa->address.sa.sa_family) {
324 #ifdef INET
325 case AF_INET:
326 if (ipv4_addr_legal) {
327 struct sockaddr_in *sin;
328
329 sin = &sctp_ifa->address.sin;
330 if (sin->sin_addr.s_addr == 0)
331 continue;
332 #if defined(__FreeBSD__) && !defined(__Userspace__)
333 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
334 &sin->sin_addr) != 0) {
335 continue;
336 }
337 #endif
338 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)))
339 continue;
340 } else {
341 continue;
342 }
343 break;
344 #endif
345 #ifdef INET6
346 case AF_INET6:
347 if (ipv6_addr_legal) {
348 struct sockaddr_in6 *sin6;
349
350 sin6 = &sctp_ifa->address.sin6;
351 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))
352 continue;
353 #if defined(__FreeBSD__) && !defined(__Userspace__)
354 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
355 &sin6->sin6_addr) != 0) {
356 continue;
357 }
358 #endif
359 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
360 if (local_scope == 0)
361 continue;
362 }
363 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)))
364 continue;
365 } else {
366 continue;
367 }
368 break;
369 #endif
370 #if defined(__Userspace__)
371 case AF_CONN:
372 if (!conn_addr_legal) {
373 continue;
374 }
375 break;
376 #endif
377 default:
378 continue;
379 }
380 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
381 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore));
382 SCTP_INP_RUNLOCK(inp);
383 SCTP_INP_INFO_RUNLOCK();
384 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
385 if (error) {
386 return (error);
387 } else {
388 SCTP_INP_INFO_RLOCK();
389 SCTP_INP_RLOCK(inp);
390 }
391 }
392 }
393 } else {
394 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
395 /* ignore if blacklisted at association level */
396 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa))
397 continue;
398 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
399 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore));
400 xladdr.start_time.tv_sec = (uint32_t)laddr->start_time.tv_sec;
401 xladdr.start_time.tv_usec = (uint32_t)laddr->start_time.tv_usec;
402 SCTP_INP_RUNLOCK(inp);
403 SCTP_INP_INFO_RUNLOCK();
404 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
405 if (error) {
406 return (error);
407 } else {
408 SCTP_INP_INFO_RLOCK();
409 SCTP_INP_RLOCK(inp);
410 }
411 }
412 }
413 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
414 xladdr.last = 1;
415 SCTP_INP_RUNLOCK(inp);
416 SCTP_INP_INFO_RUNLOCK();
417 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
418
419 if (error) {
420 return (error);
421 } else {
422 SCTP_INP_INFO_RLOCK();
423 SCTP_INP_RLOCK(inp);
424 return (0);
425 }
426 }
427
428 /*
429 * sysctl functions
430 */
431 #if defined(__APPLE__) && !defined(__Userspace__)
432 static int
433 sctp_sysctl_handle_assoclist SYSCTL_HANDLER_ARGS
434 {
435 #pragma unused(oidp, arg1, arg2)
436 #else
437 static int
438 sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS)
439 {
440 #endif
441 unsigned int number_of_endpoints;
442 unsigned int number_of_local_addresses;
443 unsigned int number_of_associations;
444 unsigned int number_of_remote_addresses;
445 unsigned int n;
446 int error;
447 struct sctp_inpcb *inp;
448 struct sctp_tcb *stcb;
449 struct sctp_nets *net;
450 struct xsctp_inpcb xinpcb;
451 struct xsctp_tcb xstcb;
452 struct xsctp_raddr xraddr;
453 struct socket *so;
454
455 number_of_endpoints = 0;
456 number_of_local_addresses = 0;
457 number_of_associations = 0;
458 number_of_remote_addresses = 0;
459
460 SCTP_INP_INFO_RLOCK();
461 #if defined(__APPLE__) && !defined(__Userspace__)
462 if (req->oldptr == USER_ADDR_NULL) {
463 #else
464 if (req->oldptr == NULL) {
465 #endif
466 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
467 SCTP_INP_RLOCK(inp);
468 number_of_endpoints++;
469 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
470 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
471 number_of_associations++;
472 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
473 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
474 number_of_remote_addresses++;
475 }
476 }
477 SCTP_INP_RUNLOCK(inp);
478 }
479 SCTP_INP_INFO_RUNLOCK();
480 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) +
481 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) +
482 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) +
483 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr);
484
485 /* request some more memory than needed */
486 #if !(defined(_WIN32) && !defined(__Userspace__))
487 req->oldidx = (n + n / 8);
488 #else
489 req->dataidx = (n + n / 8);
490 #endif
491 return (0);
492 }
493 #if defined(__APPLE__) && !defined(__Userspace__)
494 if (req->newptr != USER_ADDR_NULL) {
495 #else
496 if (req->newptr != NULL) {
497 #endif
498 SCTP_INP_INFO_RUNLOCK();
499 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM);
500 return (EPERM);
501 }
502 memset(&xinpcb, 0, sizeof(xinpcb));
503 memset(&xstcb, 0, sizeof(xstcb));
504 memset(&xraddr, 0, sizeof(xraddr));
505 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
506 SCTP_INP_RLOCK(inp);
507 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {
508 /* if its allgone it is being freed - skip it */
509 goto skip;
510 }
511 xinpcb.last = 0;
512 xinpcb.local_port = ntohs(inp->sctp_lport);
513 xinpcb.flags = inp->sctp_flags;
514 xinpcb.features = inp->sctp_features;
515 xinpcb.total_sends = inp->total_sends;
516 xinpcb.total_recvs = inp->total_recvs;
517 xinpcb.total_nospaces = inp->total_nospaces;
518 xinpcb.fragmentation_point = inp->sctp_frag_point;
519 #if defined(__FreeBSD__) && !defined(__Userspace__)
520 xinpcb.socket = (uintptr_t)inp->sctp_socket;
521 #else
522 xinpcb.socket = inp->sctp_socket;
523 #endif
524 so = inp->sctp_socket;
525 if ((so == NULL) ||
526 (!SCTP_IS_LISTENING(inp)) ||
527 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
528 xinpcb.qlen = 0;
529 xinpcb.maxqlen = 0;
530 } else {
531 #if defined(__FreeBSD__) && !defined(__Userspace__)
532 xinpcb.qlen = so->sol_qlen;
533 xinpcb.qlen_old = so->sol_qlen > USHRT_MAX ?
534 USHRT_MAX : (uint16_t) so->sol_qlen;
535 xinpcb.maxqlen = so->sol_qlimit;
536 xinpcb.maxqlen_old = so->sol_qlimit > USHRT_MAX ?
537 USHRT_MAX : (uint16_t) so->sol_qlimit;
538 #else
539 xinpcb.qlen = so->so_qlen;
540 xinpcb.maxqlen = so->so_qlimit;
541 #endif
542 }
543 SCTP_INP_INCR_REF(inp);
544 SCTP_INP_RUNLOCK(inp);
545 SCTP_INP_INFO_RUNLOCK();
546 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
547 if (error) {
548 SCTP_INP_DECR_REF(inp);
549 return (error);
550 }
551 SCTP_INP_INFO_RLOCK();
552 SCTP_INP_RLOCK(inp);
553 error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req);
554 if (error) {
555 SCTP_INP_DECR_REF(inp);
556 return (error);
557 }
558 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
559 SCTP_TCB_LOCK(stcb);
560 atomic_add_int(&stcb->asoc.refcnt, 1);
561 SCTP_TCB_UNLOCK(stcb);
562 xstcb.last = 0;
563 xstcb.local_port = ntohs(inp->sctp_lport);
564 xstcb.remote_port = ntohs(stcb->rport);
565 if (stcb->asoc.primary_destination != NULL)
566 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr;
567 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay;
568 xstcb.state = (uint32_t)sctp_map_assoc_state(stcb->asoc.state);
569 xstcb.assoc_id = sctp_get_associd(stcb);
570 xstcb.peers_rwnd = stcb->asoc.peers_rwnd;
571 xstcb.in_streams = stcb->asoc.streamincnt;
572 xstcb.out_streams = stcb->asoc.streamoutcnt;
573 xstcb.max_nr_retrans = stcb->asoc.overall_error_count;
574 xstcb.primary_process = 0; /* not really supported yet */
575 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie;
576 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack;
577 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans;
578 xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec;
579 xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec;
580 xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec;
581 xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec;
582 xstcb.total_sends = stcb->total_sends;
583 xstcb.total_recvs = stcb->total_recvs;
584 xstcb.local_tag = stcb->asoc.my_vtag;
585 xstcb.remote_tag = stcb->asoc.peer_vtag;
586 xstcb.initial_tsn = stcb->asoc.init_seq_number;
587 xstcb.highest_tsn = stcb->asoc.sending_seq - 1;
588 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq;
589 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn;
590 xstcb.mtu = stcb->asoc.smallest_mtu;
591 xstcb.refcnt = stcb->asoc.refcnt;
592 SCTP_INP_RUNLOCK(inp);
593 SCTP_INP_INFO_RUNLOCK();
594 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
595 if (error) {
596 SCTP_INP_DECR_REF(inp);
597 atomic_subtract_int(&stcb->asoc.refcnt, 1);
598 return (error);
599 }
600 SCTP_INP_INFO_RLOCK();
601 SCTP_INP_RLOCK(inp);
602 error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req);
603 if (error) {
604 SCTP_INP_DECR_REF(inp);
605 atomic_subtract_int(&stcb->asoc.refcnt, 1);
606 return (error);
607 }
608 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
609 xraddr.last = 0;
610 xraddr.address = net->ro._l_addr;
611 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE);
612 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0);
613 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0);
614 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF);
615 xraddr.rto = net->RTO;
616 xraddr.max_path_rtx = net->failure_threshold;
617 xraddr.rtx = net->marked_retrans;
618 xraddr.error_counter = net->error_count;
619 xraddr.cwnd = net->cwnd;
620 xraddr.flight_size = net->flight_size;
621 xraddr.mtu = net->mtu;
622 xraddr.rtt = net->rtt / 1000;
623 xraddr.heartbeat_interval = net->heart_beat_delay;
624 xraddr.ssthresh = net->ssthresh;
625 xraddr.encaps_port = net->port;
626 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
627 xraddr.state = SCTP_UNCONFIRMED;
628 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
629 xraddr.state = SCTP_ACTIVE;
630 } else {
631 xraddr.state = SCTP_INACTIVE;
632 }
633 xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec;
634 xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec;
635 SCTP_INP_RUNLOCK(inp);
636 SCTP_INP_INFO_RUNLOCK();
637 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
638 if (error) {
639 SCTP_INP_DECR_REF(inp);
640 atomic_subtract_int(&stcb->asoc.refcnt, 1);
641 return (error);
642 }
643 SCTP_INP_INFO_RLOCK();
644 SCTP_INP_RLOCK(inp);
645 }
646 atomic_subtract_int(&stcb->asoc.refcnt, 1);
647 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr));
648 xraddr.last = 1;
649 SCTP_INP_RUNLOCK(inp);
650 SCTP_INP_INFO_RUNLOCK();
651 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
652 if (error) {
653 SCTP_INP_DECR_REF(inp);
654 return (error);
655 }
656 SCTP_INP_INFO_RLOCK();
657 SCTP_INP_RLOCK(inp);
658 }
659 SCTP_INP_DECR_REF(inp);
660 SCTP_INP_RUNLOCK(inp);
661 SCTP_INP_INFO_RUNLOCK();
662 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb));
663 xstcb.last = 1;
664 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
665 if (error) {
666 return (error);
667 }
668 skip:
669 SCTP_INP_INFO_RLOCK();
670 }
671 SCTP_INP_INFO_RUNLOCK();
672
673 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb));
674 xinpcb.last = 1;
675 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
676 return (error);
677 }
678
679 #if defined(__APPLE__) && !defined(__Userspace__)
680 static int
681 sctp_sysctl_handle_udp_tunneling SYSCTL_HANDLER_ARGS
682 {
683 #pragma unused(arg1, arg2)
684 #else
685 static int
686 sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS)
687 {
688 #endif
689 int error;
690 uint32_t old, new;
691
692 SCTP_INP_INFO_RLOCK();
693 old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port);
694 SCTP_INP_INFO_RUNLOCK();
695 new = old;
696 error = sysctl_handle_int(oidp, &new, 0, req);
697 if ((error == 0) &&
698 #if defined(__APPLE__) && !defined(__Userspace__)
699 (req->newptr != USER_ADDR_NULL)) {
700 #else
701 (req->newptr != NULL)) {
702 #endif
703 #if defined(_WIN32) && !defined(__Userspace__)
704 SCTP_INP_INFO_WLOCK();
705 sctp_over_udp_restart();
706 SCTP_INP_INFO_WUNLOCK();
707 #else
708 #if (SCTPCTL_UDP_TUNNELING_PORT_MIN == 0)
709 if (new > SCTPCTL_UDP_TUNNELING_PORT_MAX) {
710 #else
711 if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) ||
712 (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) {
713 #endif
714 error = EINVAL;
715 } else {
716 SCTP_INP_INFO_WLOCK();
717 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new;
718 if (old != 0) {
719 sctp_over_udp_stop();
720 }
721 if (new != 0) {
722 error = sctp_over_udp_start();
723 }
724 SCTP_INP_INFO_WUNLOCK();
725 }
726 #endif
727 }
728 return (error);
729 }
730 #if defined(__APPLE__) && !defined(__Userspace__)
731
732 int sctp_is_vmware_interface(struct ifnet *);
733
734 static int
735 sctp_sysctl_handle_vmware_interfaces SYSCTL_HANDLER_ARGS
736 {
737 #pragma unused(arg1, arg2)
738 int error;
739 uint32_t old, new;
740
741 old = SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces);
742 new = old;
743 error = sysctl_handle_int(oidp, &new, 0, req);
744 if ((error == 0) && (req->newptr != USER_ADDR_NULL)) {
745 if ((new < SCTPCTL_IGNORE_VMWARE_INTERFACES_MIN) ||
746 (new > SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX)) {
747 error = EINVAL;
748 } else {
749 if ((old == 1) && (new == 0)) {
750 sctp_add_or_del_interfaces(sctp_is_vmware_interface, 1);
751 }
752 if ((old == 0) && (new == 1)) {
753 sctp_add_or_del_interfaces(sctp_is_vmware_interface, 0);
754 }
755 if (old != new) {
756 SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = new;
757 }
758 }
759 }
760 return (error);
761 }
762 #endif
763
764 #if defined(__APPLE__) && !defined(__Userspace__)
765 static int
766 sctp_sysctl_handle_auth SYSCTL_HANDLER_ARGS
767 {
768 #pragma unused(arg1, arg2)
769 #else
770 static int
771 sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS)
772 {
773 #endif
774 int error;
775 uint32_t new;
776
777 new = SCTP_BASE_SYSCTL(sctp_auth_enable);
778 error = sysctl_handle_int(oidp, &new, 0, req);
779 if ((error == 0) &&
780 #if defined(__APPLE__) && !defined(__Userspace__)
781 (req->newptr != USER_ADDR_NULL)) {
782 #else
783 (req->newptr != NULL)) {
784 #endif
785 #if (SCTPCTL_AUTH_ENABLE_MIN == 0)
786 if ((new > SCTPCTL_AUTH_ENABLE_MAX) ||
787 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) {
788 #else
789 if ((new < SCTPCTL_AUTH_ENABLE_MIN) ||
790 (new > SCTPCTL_AUTH_ENABLE_MAX) ||
791 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) {
792 #endif
793 error = EINVAL;
794 } else {
795 SCTP_BASE_SYSCTL(sctp_auth_enable) = new;
796 }
797 }
798 return (error);
799 }
800
801 #if defined(__APPLE__) && !defined(__Userspace__)
802 static int
803 sctp_sysctl_handle_asconf SYSCTL_HANDLER_ARGS
804 {
805 #pragma unused(arg1, arg2)
806 #else
807 static int
808 sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS)
809 {
810 #endif
811 int error;
812 uint32_t new;
813
814 new = SCTP_BASE_SYSCTL(sctp_asconf_enable);
815 error = sysctl_handle_int(oidp, &new, 0, req);
816 if ((error == 0) &&
817 #if defined(__APPLE__) && !defined(__Userspace__)
818 (req->newptr != USER_ADDR_NULL)) {
819 #else
820 (req->newptr != NULL)) {
821 #endif
822 #if (SCTPCTL_ASCONF_ENABLE_MIN == 0)
823 if ((new > SCTPCTL_ASCONF_ENABLE_MAX) ||
824 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) {
825 #else
826 if ((new < SCTPCTL_ASCONF_ENABLE_MIN) ||
827 (new > SCTPCTL_ASCONF_ENABLE_MAX) ||
828 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) {
829 #endif
830 error = EINVAL;
831 } else {
832 SCTP_BASE_SYSCTL(sctp_asconf_enable) = new;
833 }
834 }
835 return (error);
836 }
837
838 #if defined(__APPLE__) && !defined(__Userspace__)
839 static int
840 sctp_sysctl_handle_stats SYSCTL_HANDLER_ARGS
841 {
842 #pragma unused(oidp, arg1, arg2)
843 #else
844 static int
845 sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS)
846 {
847 #endif
848 int error;
849 #if defined(__FreeBSD__) && !defined(__Userspace__)
850 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
851 struct sctpstat *sarry;
852 struct sctpstat sb;
853 int cpu;
854 #endif
855 struct sctpstat sb_temp;
856 #endif
857
858 #if defined(__APPLE__) && !defined(__Userspace__)
859 if ((req->newptr != USER_ADDR_NULL) &&
860 #else
861 if ((req->newptr != NULL) &&
862 #endif
863 (req->newlen != sizeof(struct sctpstat))) {
864 return (EINVAL);
865 }
866 #if defined(__FreeBSD__) && !defined(__Userspace__)
867 memset(&sb_temp, 0, sizeof(struct sctpstat));
868
869 if (req->newptr != NULL) {
870 error = SYSCTL_IN(req, &sb_temp, sizeof(struct sctpstat));
871 if (error != 0) {
872 return (error);
873 }
874 }
875 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
876 memset(&sb, 0, sizeof(sb));
877 for (cpu = 0; cpu < mp_maxid; cpu++) {
878 sarry = &SCTP_BASE_STATS[cpu];
879 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) {
880 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec;
881 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec;
882 }
883 sb.sctps_currestab += sarry->sctps_currestab;
884 sb.sctps_activeestab += sarry->sctps_activeestab;
885 sb.sctps_restartestab += sarry->sctps_restartestab;
886 sb.sctps_collisionestab += sarry->sctps_collisionestab;
887 sb.sctps_passiveestab += sarry->sctps_passiveestab;
888 sb.sctps_aborted += sarry->sctps_aborted;
889 sb.sctps_shutdown += sarry->sctps_shutdown;
890 sb.sctps_outoftheblue += sarry->sctps_outoftheblue;
891 sb.sctps_checksumerrors += sarry->sctps_checksumerrors;
892 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks;
893 sb.sctps_outorderchunks += sarry->sctps_outorderchunks;
894 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks;
895 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks;
896 sb.sctps_inorderchunks += sarry->sctps_inorderchunks;
897 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks;
898 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs;
899 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs;
900 sb.sctps_outpackets += sarry->sctps_outpackets;
901 sb.sctps_inpackets += sarry->sctps_inpackets;
902 sb.sctps_recvpackets += sarry->sctps_recvpackets;
903 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams;
904 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata;
905 sb.sctps_recvsacks += sarry->sctps_recvsacks;
906 sb.sctps_recvdata += sarry->sctps_recvdata;
907 sb.sctps_recvdupdata += sarry->sctps_recvdupdata;
908 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat;
909 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack;
910 sb.sctps_recvecne += sarry->sctps_recvecne;
911 sb.sctps_recvauth += sarry->sctps_recvauth;
912 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing;
913 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid;
914 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid;
915 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed;
916 sb.sctps_recvexpress += sarry->sctps_recvexpress;
917 sb.sctps_recvexpressm += sarry->sctps_recvexpressm;
918 sb.sctps_recvswcrc += sarry->sctps_recvswcrc;
919 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc;
920 sb.sctps_sendpackets += sarry->sctps_sendpackets;
921 sb.sctps_sendsacks += sarry->sctps_sendsacks;
922 sb.sctps_senddata += sarry->sctps_senddata;
923 sb.sctps_sendretransdata += sarry->sctps_sendretransdata;
924 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans;
925 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans;
926 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat;
927 sb.sctps_sendecne += sarry->sctps_sendecne;
928 sb.sctps_sendauth += sarry->sctps_sendauth;
929 sb.sctps_senderrors += sarry->sctps_senderrors;
930 sb.sctps_sendswcrc += sarry->sctps_sendswcrc;
931 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc;
932 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox;
933 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos;
934 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda;
935 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct;
936 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt;
937 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt;
938 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat;
939 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk;
940 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf;
941 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd;
942 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp;
943 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw;
944 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd;
945 sb.sctps_pdrpmark += sarry->sctps_pdrpmark;
946 sb.sctps_timoiterator += sarry->sctps_timoiterator;
947 sb.sctps_timodata += sarry->sctps_timodata;
948 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe;
949 sb.sctps_timoinit += sarry->sctps_timoinit;
950 sb.sctps_timosack += sarry->sctps_timosack;
951 sb.sctps_timoshutdown += sarry->sctps_timoshutdown;
952 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat;
953 sb.sctps_timocookie += sarry->sctps_timocookie;
954 sb.sctps_timosecret += sarry->sctps_timosecret;
955 sb.sctps_timopathmtu += sarry->sctps_timopathmtu;
956 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack;
957 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard;
958 sb.sctps_timostrmrst += sarry->sctps_timostrmrst;
959 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr;
960 sb.sctps_timoasconf += sarry->sctps_timoasconf;
961 sb.sctps_timodelprim += sarry->sctps_timodelprim;
962 sb.sctps_timoautoclose += sarry->sctps_timoautoclose;
963 sb.sctps_timoassockill += sarry->sctps_timoassockill;
964 sb.sctps_timoinpkill += sarry->sctps_timoinpkill;
965 sb.sctps_hdrops += sarry->sctps_hdrops;
966 sb.sctps_badsum += sarry->sctps_badsum;
967 sb.sctps_noport += sarry->sctps_noport;
968 sb.sctps_badvtag += sarry->sctps_badvtag;
969 sb.sctps_badsid += sarry->sctps_badsid;
970 sb.sctps_nomem += sarry->sctps_nomem;
971 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt;
972 sb.sctps_markedretrans += sarry->sctps_markedretrans;
973 sb.sctps_naglesent += sarry->sctps_naglesent;
974 sb.sctps_naglequeued += sarry->sctps_naglequeued;
975 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued;
976 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued;
977 sb.sctps_windowprobed += sarry->sctps_windowprobed;
978 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr;
979 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr;
980 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt;
981 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd;
982 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd;
983 sb.sctps_vtagexpress += sarry->sctps_vtagexpress;
984 sb.sctps_vtagbogus += sarry->sctps_vtagbogus;
985 sb.sctps_primary_randry += sarry->sctps_primary_randry;
986 sb.sctps_cmt_randry += sarry->sctps_cmt_randry;
987 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack;
988 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent;
989 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags;
990 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord;
991 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof;
992 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort;
993 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls;
994 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done;
995 sb.sctps_read_peeks += sarry->sctps_read_peeks;
996 sb.sctps_cached_chk += sarry->sctps_cached_chk;
997 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq;
998 sb.sctps_left_abandon += sarry->sctps_left_abandon;
999 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid;
1000 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid;
1001 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over;
1002 if (req->newptr != NULL) {
1003 memcpy(sarry, &sb_temp, sizeof(struct sctpstat));
1004 }
1005 }
1006 error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat));
1007 #else
1008 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
1009 if (error != 0) {
1010 return (error);
1011 }
1012 if (req->newptr != NULL) {
1013 memcpy(&SCTP_BASE_STATS, &sb_temp, sizeof(struct sctpstat));
1014 }
1015 #endif
1016 #else
1017 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
1018 #endif
1019 return (error);
1020 }
1021
1022 #if defined(SCTP_LOCAL_TRACE_BUF)
1023 #if defined(__APPLE__) && !defined(__Userspace__)
1024 static int
1025 sctp_sysctl_handle_trace_log SYSCTL_HANDLER_ARGS
1026 {
1027 #pragma unused(arg1, arg2, oidp)
1028 #else
1029 static int
1030 sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS)
1031 {
1032 #endif
1033 int error;
1034
1035 #if defined(_WIN32) && !defined(__Userspace__)
1036 error = SYSCTL_OUT(req, SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log));
1037 #else
1038 error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log));
1039 #endif
1040 return (error);
1041 }
1042
1043 #if defined(__APPLE__) && !defined(__Userspace__)
1044 static int
1045 sctp_sysctl_handle_trace_log_clear SYSCTL_HANDLER_ARGS
1046 {
1047 #pragma unused(arg1, arg2, req, oidp)
1048 #else
1049 static int
1050 sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS)
1051 {
1052 #endif
1053 int error = 0;
1054 #if defined(_WIN32) && !defined(__Userspace__)
1055 int value = 0;
1056
1057 if (req->new_data == NULL) {
1058 return (error);
1059 }
1060 error = SYSCTL_IN(req, &value, sizeof(int));
1061 if (error == 0 && value != 0 && SCTP_BASE_SYSCTL(sctp_log) != NULL) {
1062 memset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1063 }
1064 #else
1065
1066 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1067 #endif
1068 return (error);
1069 }
1070 #endif
1071
1072 #if (defined(__APPLE__) || defined(__FreeBSD__)) && !defined(__Userspace__)
1073 #if defined(__FreeBSD__)
1074 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \
1075 static int \
1076 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \
1077 { \
1078 int error; \
1079 uint32_t new; \
1080 \
1081 new = SCTP_BASE_SYSCTL(var_name); \
1082 error = sysctl_handle_int(oidp, &new, 0, req); \
1083 if ((error == 0) && (req->newptr != NULL)) { \
1084 if ((new < prefix##_MIN) || \
1085 (new > prefix##_MAX)) { \
1086 error = EINVAL; \
1087 } else { \
1088 SCTP_BASE_SYSCTL(var_name) = new; \
1089 } \
1090 } \
1091 return (error); \
1092 } \
1093 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \
1094 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \
1095 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC);
1096 #else
1097 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \
1098 static int \
1099 sctp_sysctl_handle_##mib_name(struct sysctl_oid *oidp, \
1100 void *arg1 __attribute__((unused)), \
1101 int arg2 __attribute__((unused)), \
1102 struct sysctl_req *req) \
1103 { \
1104 int error; \
1105 uint32_t new; \
1106 \
1107 new = SCTP_BASE_SYSCTL(var_name); \
1108 error = sysctl_handle_int(oidp, &new, 0, req); \
1109 if ((error == 0) && (req->newptr != USER_ADDR_NULL)) { \
1110 if ((new < prefix##_MIN) || \
1111 (new > prefix##_MAX)) { \
1112 error = EINVAL; \
1113 } else { \
1114 SCTP_BASE_SYSCTL(var_name) = new; \
1115 } \
1116 } \
1117 return (error); \
1118 } \
1119 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \
1120 CTLTYPE_INT | CTLFLAG_RW, NULL, 0, \
1121 sctp_sysctl_handle_##mib_name, "I", prefix##_DESC);
1122 #define CTLTYPE_UINT CTLTYPE_INT
1123 #define CTLFLAG_VNET 0
1124 #endif
1125
1126 /*
1127 * sysctl definitions
1128 */
1129
1130 SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM)
1131 SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE)
1132 SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF)
1133 SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE)
1134 SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE)
1135 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1136 NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC);
1137 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1138 NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC);
1139 SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE)
1140 SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE)
1141 SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE)
1142 #if defined(__APPLE__) && !defined(__Userspace__)
1143 SCTP_UINT_SYSCTL(loopback_nocsum, sctp_no_csum_on_loopback, SCTPCTL_LOOPBACK_NOCSUM)
1144 #endif
1145 SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH)
1146 SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST)
1147 SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST)
1148 SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS)
1149 SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE)
1150 SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE)
1151 SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT)
1152 SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE)
1153 SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME)
1154 SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ)
1155 SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE)
1156 SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE)
1157 SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL)
1158 SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME)
1159 SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME)
1160 SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME)
1161 SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX)
1162 SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN)
1163 SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL)
1164 SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX)
1165 SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE)
1166 SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX)
1167 SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX)
1168 SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX)
1169 SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD)
1170 SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT)
1171 SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS)
1172 SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS)
1173 SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF)
1174 SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC)
1175 SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST)
1176 SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY)
1177 SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR)
1178 SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS)
1179 SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN)
1180 SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST)
1181 SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT)
1182 SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL)
1183 SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK)
1184 SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL)
1185 SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE)
1186 SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE)
1187 SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE)
1188 SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE)
1189 SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF)
1190 #if defined(SCTP_LOCAL_TRACE_BUF)
1191 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RD,
1192 NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)");
1193 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET|CTLTYPE_UINT | CTLFLAG_RW,
1194 NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer");
1195 #endif
1196 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1197 NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC);
1198 SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE)
1199 SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS)
1200 SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT)
1201 SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING)
1202 SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND)
1203 SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW)
1204 SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT)
1205 SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET)
1206 SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS)
1207 SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN)
1208 SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE)
1209 SCTP_UINT_SYSCTL(sendall_limit, sctp_sendall_limit, SCTPCTL_SENDALL_LIMIT)
1210 SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE)
1211 #ifdef SCTP_DEBUG
1212 SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG)
1213 #endif
1214 #if defined(__APPLE__) && !defined(__Userspace__)
1215 SCTP_UINT_SYSCTL(main_timer, sctp_main_timer, SCTPCTL_MAIN_TIMER)
1216 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ignore_vmware_interfaces, CTLTYPE_UINT|CTLFLAG_RW,
1217 NULL, 0, sctp_sysctl_handle_vmware_interfaces, "IU", SCTPCTL_IGNORE_VMWARE_INTERFACES_DESC);
1218 SCTP_UINT_SYSCTL(addr_watchdog_limit, sctp_addr_watchdog_limit, SCTPCTL_ADDR_WATCHDOG_LIMIT)
1219 SCTP_UINT_SYSCTL(vtag_watchdog_limit, sctp_vtag_watchdog_limit, SCTPCTL_VTAG_WATCHDOG_LIMIT)
1220 #endif
1221 #if defined(__APPLE__) && !defined(__Userspace__)
1222 SCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED)
1223 #endif
1224 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RW,
1225 NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)");
1226 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET|CTLTYPE_OPAQUE|CTLFLAG_RD,
1227 NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations");
1228
1229 #elif defined(_WIN32) && !defined(__Userspace__)
1230
1231 #define RANGECHK(var, min, max) \
1232 if ((var) < (min)) { (var) = (min); } \
1233 else if ((var) > (max)) { (var) = (max); }
1234
1235 static int
sctp_sysctl_handle_int(SYSCTL_HANDLER_ARGS)1236 sctp_sysctl_handle_int(SYSCTL_HANDLER_ARGS)
1237 {
1238 int error;
1239
1240 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
1241 if (error == 0) {
1242 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX);
1243 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX);
1244 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
1245 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
1246 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX);
1247 RANGECHK(SCTP_BASE_SYSCTL(sctp_pr_enable), SCTPCTL_PR_ENABLE_MIN, SCTPCTL_PR_ENABLE_MAX);
1248 RANGECHK(SCTP_BASE_SYSCTL(sctp_reconfig_enable), SCTPCTL_RECONFIG_ENABLE_MIN, SCTPCTL_RECONFIG_ENABLE_MAX);
1249 RANGECHK(SCTP_BASE_SYSCTL(sctp_nrsack_enable), SCTPCTL_NRSACK_ENABLE_MIN, SCTPCTL_NRSACK_ENABLE_MAX);
1250 RANGECHK(SCTP_BASE_SYSCTL(sctp_pktdrop_enable), SCTPCTL_PKTDROP_ENABLE_MIN, SCTPCTL_PKTDROP_ENABLE_MAX);
1251 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX);
1252 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX);
1253 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX);
1254 RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTPCTL_FRMAXBURST_MAX);
1255 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX);
1256 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX);
1257 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX);
1258 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX);
1259 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX);
1260 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX);
1261 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX);
1262 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX);
1263 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX);
1264 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX);
1265 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX);
1266 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX);
1267 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX);
1268 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX);
1269 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX);
1270 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX);
1271 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX);
1272 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX);
1273 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX);
1274 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX);
1275 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX);
1276 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, SCTPCTL_PATH_PF_THRESHOLD_MAX);
1277 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX);
1278 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), SCTPCTL_INCOMING_STREAMS_MIN, SCTPCTL_INCOMING_STREAMS_MAX);
1279 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX);
1280 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX);
1281 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX);
1282 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX);
1283 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX);
1284 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX);
1285 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX);
1286 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX);
1287 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX);
1288 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX);
1289 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX);
1290 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX);
1291 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX);
1292 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX);
1293 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX);
1294 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX);
1295 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX);
1296 RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX);
1297 RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX);
1298 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_BW_MAX);
1299 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR_RTT_MAX);
1300 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RTTVAR_EQRET_MAX);
1301 RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_RTTVAR_STEADYS_MAX);
1302 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_RTTVAR_DCCCECN_MAX);
1303 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX);
1304 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX);
1305 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX);
1306 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX);
1307 RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOLE_MAX);
1308 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendall_limit), SCTPCTL_SENDALL_LIMIT_MIN, SCTPCTL_SENDALL_LIMIT_MAX);
1309 RANGECHK(SCTP_BASE_SYSCTL(sctp_diag_info_code), SCTPCTL_DIAG_INFO_CODE_MIN, SCTPCTL_DIAG_INFO_CODE_MAX);
1310 #ifdef SCTP_DEBUG
1311 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX);
1312 #endif
1313 }
1314 return (error);
1315 }
1316
1317 void
sysctl_setup_sctp(void)1318 sysctl_setup_sctp(void)
1319 {
1320 sysctl_add_oid(&sysctl_oid_top, "sendspace", CTLTYPE_INT|CTLFLAG_RW,
1321 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sctp_sysctl_handle_int,
1322 SCTPCTL_MAXDGRAM_DESC);
1323
1324 sysctl_add_oid(&sysctl_oid_top, "recvspace", CTLTYPE_INT|CTLFLAG_RW,
1325 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sctp_sysctl_handle_int,
1326 SCTPCTL_RECVSPACE_DESC);
1327
1328 sysctl_add_oid(&sysctl_oid_top, "auto_asconf", CTLTYPE_INT|CTLFLAG_RW,
1329 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sctp_sysctl_handle_int,
1330 SCTPCTL_AUTOASCONF_DESC);
1331
1332 sysctl_add_oid(&sysctl_oid_top, "ecn_enable", CTLTYPE_INT|CTLFLAG_RW,
1333 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sctp_sysctl_handle_int,
1334 SCTPCTL_ECN_ENABLE_DESC);
1335
1336 sysctl_add_oid(&sysctl_oid_top, "pr_enable", CTLTYPE_INT|CTLFLAG_RW,
1337 &SCTP_BASE_SYSCTL(sctp_pr_enable), 0, sctp_sysctl_handle_int,
1338 SCTPCTL_PR_ENABLE_DESC);
1339
1340 sysctl_add_oid(&sysctl_oid_top, "auth_enable", CTLTYPE_INT|CTLFLAG_RW,
1341 &SCTP_BASE_SYSCTL(sctp_auth_enable), 0, sctp_sysctl_handle_auth,
1342 SCTPCTL_AUTH_ENABLE_DESC);
1343
1344 sysctl_add_oid(&sysctl_oid_top, "asconf_enable", CTLTYPE_INT|CTLFLAG_RW,
1345 &SCTP_BASE_SYSCTL(sctp_asconf_enable), 0, sctp_sysctl_handle_asconf,
1346 SCTPCTL_ASCONF_ENABLE_DESC);
1347
1348 sysctl_add_oid(&sysctl_oid_top, "reconfig_enable", CTLTYPE_INT|CTLFLAG_RW,
1349 &SCTP_BASE_SYSCTL(sctp_reconfig_enable), 0, sctp_sysctl_handle_int,
1350 SCTPCTL_RECONFIG_ENABLE_DESC);
1351
1352 sysctl_add_oid(&sysctl_oid_top, "nrsack_enable", CTLTYPE_INT|CTLFLAG_RW,
1353 &SCTP_BASE_SYSCTL(sctp_nrsack_enable), 0, sctp_sysctl_handle_int,
1354 SCTPCTL_NRSACK_ENABLE_DESC);
1355
1356 sysctl_add_oid(&sysctl_oid_top, "pktdrop_enable", CTLTYPE_INT|CTLFLAG_RW,
1357 &SCTP_BASE_SYSCTL(sctp_pktdrop_enable), 0, sctp_sysctl_handle_int,
1358 SCTPCTL_PKTDROP_ENABLE_DESC);
1359
1360 sysctl_add_oid(&sysctl_oid_top, "loopback_nocsum", CTLTYPE_INT|CTLFLAG_RW,
1361 &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sctp_sysctl_handle_int,
1362 SCTPCTL_LOOPBACK_NOCSUM_DESC);
1363
1364 sysctl_add_oid(&sysctl_oid_top, "peer_chkoh", CTLTYPE_INT|CTLFLAG_RW,
1365 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sctp_sysctl_handle_int,
1366 SCTPCTL_PEER_CHKOH_DESC);
1367
1368 sysctl_add_oid(&sysctl_oid_top, "maxburst", CTLTYPE_INT|CTLFLAG_RW,
1369 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sctp_sysctl_handle_int,
1370 SCTPCTL_MAXBURST_DESC);
1371
1372 sysctl_add_oid(&sysctl_oid_top, "fr_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1373 &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sctp_sysctl_handle_int,
1374 SCTPCTL_FRMAXBURST_DESC);
1375
1376 sysctl_add_oid(&sysctl_oid_top, "maxchunks", CTLTYPE_INT|CTLFLAG_RW,
1377 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sctp_sysctl_handle_int,
1378 SCTPCTL_MAXCHUNKS_DESC);
1379
1380 sysctl_add_oid(&sysctl_oid_top, "tcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1381 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sctp_sysctl_handle_int,
1382 SCTPCTL_TCBHASHSIZE_DESC);
1383
1384 sysctl_add_oid(&sysctl_oid_top, "pcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1385 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sctp_sysctl_handle_int,
1386 SCTPCTL_PCBHASHSIZE_DESC);
1387
1388 sysctl_add_oid(&sysctl_oid_top, "min_split_point", CTLTYPE_INT|CTLFLAG_RW,
1389 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sctp_sysctl_handle_int,
1390 SCTPCTL_MIN_SPLIT_POINT_DESC);
1391
1392 sysctl_add_oid(&sysctl_oid_top, "chunkscale", CTLTYPE_INT|CTLFLAG_RW,
1393 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sctp_sysctl_handle_int,
1394 SCTPCTL_CHUNKSCALE_DESC);
1395
1396 sysctl_add_oid(&sysctl_oid_top, "delayed_sack_time", CTLTYPE_INT|CTLFLAG_RW,
1397 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sctp_sysctl_handle_int,
1398 SCTPCTL_DELAYED_SACK_TIME_DESC);
1399
1400 sysctl_add_oid(&sysctl_oid_top, "sack_freq", CTLTYPE_INT|CTLFLAG_RW,
1401 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sctp_sysctl_handle_int,
1402 SCTPCTL_SACK_FREQ_DESC);
1403
1404 sysctl_add_oid(&sysctl_oid_top, "sys_resource", CTLTYPE_INT|CTLFLAG_RW,
1405 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sctp_sysctl_handle_int,
1406 SCTPCTL_SYS_RESOURCE_DESC);
1407
1408 sysctl_add_oid(&sysctl_oid_top, "asoc_resource", CTLTYPE_INT|CTLFLAG_RW,
1409 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sctp_sysctl_handle_int,
1410 SCTPCTL_ASOC_RESOURCE_DESC);
1411
1412 sysctl_add_oid(&sysctl_oid_top, "heartbeat_interval", CTLTYPE_INT|CTLFLAG_RW,
1413 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sctp_sysctl_handle_int,
1414 SCTPCTL_HEARTBEAT_INTERVAL_DESC);
1415
1416 sysctl_add_oid(&sysctl_oid_top, "pmtu_raise_time", CTLTYPE_INT|CTLFLAG_RW,
1417 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sctp_sysctl_handle_int,
1418 SCTPCTL_PMTU_RAISE_TIME_DESC);
1419
1420 sysctl_add_oid(&sysctl_oid_top, "shutdown_guard_time", CTLTYPE_INT|CTLFLAG_RW,
1421 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sctp_sysctl_handle_int,
1422 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC);
1423
1424 sysctl_add_oid(&sysctl_oid_top, "secret_lifetime", CTLTYPE_INT|CTLFLAG_RW,
1425 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sctp_sysctl_handle_int,
1426 SCTPCTL_SECRET_LIFETIME_DESC);
1427
1428 sysctl_add_oid(&sysctl_oid_top, "rto_max", CTLTYPE_INT|CTLFLAG_RW,
1429 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sctp_sysctl_handle_int,
1430 SCTPCTL_RTO_MAX_DESC);
1431
1432 sysctl_add_oid(&sysctl_oid_top, "rto_min", CTLTYPE_INT|CTLFLAG_RW,
1433 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sctp_sysctl_handle_int,
1434 SCTPCTL_RTO_MIN_DESC);
1435
1436 sysctl_add_oid(&sysctl_oid_top, "rto_initial", CTLTYPE_INT|CTLFLAG_RW,
1437 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sctp_sysctl_handle_int,
1438 SCTPCTL_RTO_INITIAL_DESC);
1439
1440 sysctl_add_oid(&sysctl_oid_top, "init_rto_max", CTLTYPE_INT|CTLFLAG_RW,
1441 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sctp_sysctl_handle_int,
1442 SCTPCTL_INIT_RTO_MAX_DESC);
1443
1444 sysctl_add_oid(&sysctl_oid_top, "valid_cookie_life", CTLTYPE_INT|CTLFLAG_RW,
1445 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sctp_sysctl_handle_int,
1446 SCTPCTL_VALID_COOKIE_LIFE_DESC);
1447
1448 sysctl_add_oid(&sysctl_oid_top, "init_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1449 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sctp_sysctl_handle_int,
1450 SCTPCTL_INIT_RTX_MAX_DESC);
1451
1452 sysctl_add_oid(&sysctl_oid_top, "assoc_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1453 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sctp_sysctl_handle_int,
1454 SCTPCTL_ASSOC_RTX_MAX_DESC);
1455
1456 sysctl_add_oid(&sysctl_oid_top, "path_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1457 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sctp_sysctl_handle_int,
1458 SCTPCTL_PATH_RTX_MAX_DESC);
1459
1460 sysctl_add_oid(&sysctl_oid_top, "path_pf_threshold", CTLTYPE_INT|CTLFLAG_RW,
1461 &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sctp_sysctl_handle_int,
1462 SCTPCTL_PATH_PF_THRESHOLD_DESC);
1463
1464 sysctl_add_oid(&sysctl_oid_top, "add_more_on_output", CTLTYPE_INT|CTLFLAG_RW,
1465 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sctp_sysctl_handle_int,
1466 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC);
1467
1468 sysctl_add_oid(&sysctl_oid_top, "incoming_streams", CTLTYPE_INT|CTLFLAG_RW,
1469 &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sctp_sysctl_handle_int,
1470 SCTPCTL_INCOMING_STREAMS_DESC);
1471
1472 sysctl_add_oid(&sysctl_oid_top, "outgoing_streams", CTLTYPE_INT|CTLFLAG_RW,
1473 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sctp_sysctl_handle_int,
1474 SCTPCTL_OUTGOING_STREAMS_DESC);
1475
1476 sysctl_add_oid(&sysctl_oid_top, "cmt_on_off", CTLTYPE_INT|CTLFLAG_RW,
1477 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sctp_sysctl_handle_int,
1478 SCTPCTL_CMT_ON_OFF_DESC);
1479
1480 sysctl_add_oid(&sysctl_oid_top, "cmt_use_dac", CTLTYPE_INT|CTLFLAG_RW,
1481 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sctp_sysctl_handle_int,
1482 SCTPCTL_CMT_USE_DAC_DESC);
1483
1484 sysctl_add_oid(&sysctl_oid_top, "cwnd_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1485 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sctp_sysctl_handle_int,
1486 SCTPCTL_CWND_MAXBURST_DESC);
1487
1488 sysctl_add_oid(&sysctl_oid_top, "nat_friendly", CTLTYPE_INT|CTLFLAG_RW,
1489 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sctp_sysctl_handle_int,
1490 SCTPCTL_NAT_FRIENDLY_DESC);
1491
1492 sysctl_add_oid(&sysctl_oid_top, "abc_l_var", CTLTYPE_INT|CTLFLAG_RW,
1493 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sctp_sysctl_handle_int,
1494 SCTPCTL_ABC_L_VAR_DESC);
1495
1496 sysctl_add_oid(&sysctl_oid_top, "max_chained_mbufs", CTLTYPE_INT|CTLFLAG_RW,
1497 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sctp_sysctl_handle_int,
1498 SCTPCTL_MAX_CHAINED_MBUFS_DESC);
1499
1500 sysctl_add_oid(&sysctl_oid_top, "do_sctp_drain", CTLTYPE_INT|CTLFLAG_RW,
1501 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sctp_sysctl_handle_int,
1502 SCTPCTL_DO_SCTP_DRAIN_DESC);
1503
1504 sysctl_add_oid(&sysctl_oid_top, "hb_max_burst", CTLTYPE_INT|CTLFLAG_RW,
1505 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sctp_sysctl_handle_int,
1506 SCTPCTL_HB_MAX_BURST_DESC);
1507
1508 sysctl_add_oid(&sysctl_oid_top, "abort_at_limit", CTLTYPE_INT|CTLFLAG_RW,
1509 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sctp_sysctl_handle_int,
1510 SCTPCTL_ABORT_AT_LIMIT_DESC);
1511
1512 sysctl_add_oid(&sysctl_oid_top, "min_residual", CTLTYPE_INT|CTLFLAG_RW,
1513 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sctp_sysctl_handle_int,
1514 SCTPCTL_MIN_RESIDUAL_DESC);
1515
1516 sysctl_add_oid(&sysctl_oid_top, "max_retran_chunk", CTLTYPE_INT|CTLFLAG_RW,
1517 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sctp_sysctl_handle_int,
1518 SCTPCTL_MAX_RETRAN_CHUNK_DESC);
1519
1520 sysctl_add_oid(&sysctl_oid_top, "log_level", CTLTYPE_INT|CTLFLAG_RW,
1521 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sctp_sysctl_handle_int,
1522 SCTPCTL_LOGGING_LEVEL_DESC);
1523
1524 sysctl_add_oid(&sysctl_oid_top, "default_cc_module", CTLTYPE_INT|CTLFLAG_RW,
1525 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sctp_sysctl_handle_int,
1526 SCTPCTL_DEFAULT_CC_MODULE_DESC);
1527
1528 sysctl_add_oid(&sysctl_oid_top, "default_ss_module", CTLTYPE_INT|CTLFLAG_RW,
1529 &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sctp_sysctl_handle_int,
1530 SCTPCTL_DEFAULT_SS_MODULE_DESC);
1531
1532 sysctl_add_oid(&sysctl_oid_top, "default_frag_interleave", CTLTYPE_INT|CTLFLAG_RW,
1533 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sctp_sysctl_handle_int,
1534 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC);
1535
1536 sysctl_add_oid(&sysctl_oid_top, "mobility_base", CTLTYPE_INT|CTLFLAG_RW,
1537 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sctp_sysctl_handle_int,
1538 SCTPCTL_MOBILITY_BASE_DESC);
1539
1540 sysctl_add_oid(&sysctl_oid_top, "mobility_fasthandoff", CTLTYPE_INT|CTLFLAG_RW,
1541 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sctp_sysctl_handle_int,
1542 SCTPCTL_MOBILITY_FASTHANDOFF_DESC);
1543
1544 #if defined(SCTP_LOCAL_TRACE_BUF)
1545 sysctl_add_oid(&sysctl_oid_top, "sctp_log", CTLTYPE_STRUCT|CTLFLAG_RD,
1546 SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log), NULL,
1547 "SCTP logging (struct sctp_log)");
1548
1549 sysctl_add_oid(&sysctl_oid_top, "clear_trace", CTLTYPE_INT|CTLFLAG_WR,
1550 NULL, 0, sctp_sysctl_handle_trace_log_clear,
1551 "Clear SCTP Logging buffer");
1552 #endif
1553
1554 sysctl_add_oid(&sysctl_oid_top, "udp_tunneling_port", CTLTYPE_INT|CTLFLAG_RW,
1555 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sctp_sysctl_handle_udp_tunneling,
1556 SCTPCTL_UDP_TUNNELING_PORT_DESC);
1557
1558 sysctl_add_oid(&sysctl_oid_top, "enable_sack_immediately", CTLTYPE_INT|CTLFLAG_RW,
1559 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sctp_sysctl_handle_int,
1560 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC);
1561
1562 sysctl_add_oid(&sysctl_oid_top, "nat_friendly_init", CTLTYPE_INT|CTLFLAG_RW,
1563 &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sctp_sysctl_handle_int,
1564 SCTPCTL_NAT_FRIENDLY_DESC);
1565
1566 sysctl_add_oid(&sysctl_oid_top, "vtag_time_wait", CTLTYPE_INT|CTLFLAG_RW,
1567 &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sctp_sysctl_handle_int,
1568 SCTPCTL_TIME_WAIT_DESC);
1569
1570 sysctl_add_oid(&sysctl_oid_top, "buffer_splitting", CTLTYPE_INT|CTLFLAG_RW,
1571 &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sctp_sysctl_handle_int,
1572 SCTPCTL_BUFFER_SPLITTING_DESC);
1573
1574 sysctl_add_oid(&sysctl_oid_top, "initial_cwnd", CTLTYPE_INT|CTLFLAG_RW,
1575 &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sctp_sysctl_handle_int,
1576 SCTPCTL_INITIAL_CWND_DESC);
1577
1578 sysctl_add_oid(&sysctl_oid_top, "rttvar_bw", CTLTYPE_INT|CTLFLAG_RW,
1579 &SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sctp_sysctl_handle_int,
1580 SCTPCTL_RTTVAR_BW_DESC);
1581
1582 sysctl_add_oid(&sysctl_oid_top, "rttvar_rtt", CTLTYPE_INT|CTLFLAG_RW,
1583 &SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sctp_sysctl_handle_int,
1584 SCTPCTL_RTTVAR_RTT_DESC);
1585
1586 sysctl_add_oid(&sysctl_oid_top, "rttvar_eqret", CTLTYPE_INT|CTLFLAG_RW,
1587 &SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sctp_sysctl_handle_int,
1588 SCTPCTL_RTTVAR_EQRET_DESC);
1589
1590 sysctl_add_oid(&sysctl_oid_top, "rttvar_steady_step", CTLTYPE_INT|CTLFLAG_RW,
1591 &SCTP_BASE_SYSCTL(sctp_steady_step), 0, sctp_sysctl_handle_int,
1592 SCTPCTL_RTTVAR_STEADYS_DESC);
1593
1594 sysctl_add_oid(&sysctl_oid_top, "use_dcccecn", CTLTYPE_INT|CTLFLAG_RW,
1595 &SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sctp_sysctl_handle_int,
1596 SCTPCTL_RTTVAR_DCCCECN_DESC);
1597
1598 sysctl_add_oid(&sysctl_oid_top, "blackhole", CTLTYPE_INT|CTLFLAG_RW,
1599 &SCTP_BASE_SYSCTL(sctp_blackhole), 0, sctp_sysctl_handle_int,
1600 SCTPCTL_BLACKHOLE_DESC);
1601
1602 sysctl_add_oid(&sysctl_oid_top, "sendall_limit", CTLTYPE_INT|CTLFLAG_RW,
1603 &SCTP_BASE_SYSCTL(sctp_sendall_limit), 0, sctp_sysctl_handle_int,
1604 SCTPCTL_SENDALL_LIMIT_DESC);
1605
1606 sysctl_add_oid(&sysctl_oid_top, "diag_info_code", CTLTYPE_INT|CTLFLAG_RW,
1607 &SCTP_BASE_SYSCTL(sctp_diag_info_code), 0, sctp_sysctl_handle_int,
1608 SCTPCTL_DIAG_INFO_CODE_DESC);
1609
1610 #ifdef SCTP_DEBUG
1611 sysctl_add_oid(&sysctl_oid_top, "debug", CTLTYPE_INT|CTLFLAG_RW,
1612 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sctp_sysctl_handle_int,
1613 SCTPCTL_DEBUG_DESC);
1614 #endif
1615
1616 sysctl_add_oid(&sysctl_oid_top, "stats", CTLTYPE_STRUCT|CTLFLAG_RW,
1617 &SCTP_BASE_STATS, sizeof(SCTP_BASE_STATS), NULL,
1618 "SCTP statistics (struct sctp_stat)");
1619
1620 sysctl_add_oid(&sysctl_oid_top, "assoclist", CTLTYPE_STRUCT|CTLFLAG_RD,
1621 NULL, 0, sctp_assoclist,
1622 "List of active SCTP associations");
1623 }
1624 #endif
1625 #endif
1626