1 /*-
2 * Copyright (c) 2007, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * b) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the distribution.
15 *
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifdef __FreeBSD__
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD: head/sys/netinet/sctp_sysctl.c 271221 2014-09-07 09:06:26Z tuexen $");
36 #endif
37
38 #include <netinet/sctp_os.h>
39 #include <netinet/sctp.h>
40 #include <netinet/sctp_constants.h>
41 #include <netinet/sctp_sysctl.h>
42 #include <netinet/sctp_pcb.h>
43 #include <netinet/sctputil.h>
44 #include <netinet/sctp_output.h>
45 #ifdef __FreeBSD__
46 #include <sys/smp.h>
47 #include <sys/sysctl.h>
48 #endif
49 #if defined(__APPLE__)
50 #include <netinet/sctp_bsd_addr.h>
51 #endif
52
53 #ifdef __FreeBSD__
54 FEATURE(sctp, "Stream Control Transmission Protocol");
55 #endif
56
57 /*
58 * sysctl tunable variables
59 */
60
61 void
sctp_init_sysctls()62 sctp_init_sysctls()
63 {
64 SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT;
65 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT;
66 SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT;
67 SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT;
68 SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT;
69 SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT;
70 SCTP_BASE_SYSCTL(sctp_auth_enable) = SCTPCTL_AUTH_ENABLE_DEFAULT;
71 SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT;
72 SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT;
73 SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT;
74 SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT;
75 SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT;
76 #if !(defined(__FreeBSD__) && __FreeBSD_version >= 800000)
77 #if !defined(SCTP_WITH_NO_CSUM)
78 SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT;
79 #endif
80 #endif
81 SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT;
82 SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT;
83 SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT;
84 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT;
85 SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
86 SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
87 SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT;
88 SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
89 SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT;
90 SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT;
91 SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT;
92 SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT;
93 SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT;
94 SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT;
95 SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT;
96 SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT;
97 SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT;
98 SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT;
99 SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT;
100 SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT;
101 SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT;
102 SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT;
103 SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT;
104 SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT;
105 SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT;
106 SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT;
107 SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT;
108 SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT;
109 SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT;
110 SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT;
111 SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT;
112 SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT;
113 SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT;
114 SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT;
115 SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT;
116 SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT;
117 SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT;
118 SCTP_BASE_SYSCTL(sctp_strict_data_order) = SCTPCTL_STRICT_DATA_ORDER_DEFAULT;
119 SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT;
120 SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT;
121 SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT;
122 SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT;
123 SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT;
124 SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT;
125 SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT;
126 SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT;
127 SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT;
128 SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT;
129 SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT;
130 SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT;
131 SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT;
132 SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT;
133 SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT;
134 SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT;
135 SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT;
136 SCTP_BASE_SYSCTL(sctp_diag_info_code) = SCTPCTL_DIAG_INFO_CODE_DEFAULT;
137 #if defined(SCTP_LOCAL_TRACE_BUF)
138 #if defined(__Windows__)
139 /* On Windows, the resource for global variables is limited. */
140 MALLOC(SCTP_BASE_SYSCTL(sctp_log), struct sctp_log *, sizeof(struct sctp_log), M_SYSCTL, M_ZERO);
141 #else
142 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
143 #endif
144 #endif
145 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT;
146 SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT;
147 SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly) = SCTPCTL_NAT_FRIENDLY_INITS_DEFAULT;
148 #if defined(SCTP_DEBUG)
149 SCTP_BASE_SYSCTL(sctp_debug_on) = SCTPCTL_DEBUG_DEFAULT;
150 #endif
151 #if defined(__APPLE__)
152 SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = SCTPCTL_IGNORE_VMWARE_INTERFACES_DEFAULT;
153 SCTP_BASE_SYSCTL(sctp_main_timer) = SCTPCTL_MAIN_TIMER_DEFAULT;
154 SCTP_BASE_SYSCTL(sctp_addr_watchdog_limit) = SCTPCTL_ADDR_WATCHDOG_LIMIT_DEFAULT;
155 SCTP_BASE_SYSCTL(sctp_vtag_watchdog_limit) = SCTPCTL_VTAG_WATCHDOG_LIMIT_DEFAULT;
156 #endif
157 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
158 SCTP_BASE_SYSCTL(sctp_output_unlocked) = SCTPCTL_OUTPUT_UNLOCKED_DEFAULT;
159 #endif
160 }
161
162 #if defined(__Windows__)
163 void
sctp_finish_sysctls()164 sctp_finish_sysctls()
165 {
166 #if defined(SCTP_LOCAL_TRACE_BUF)
167 if (SCTP_BASE_SYSCTL(sctp_log) != NULL) {
168 FREE(SCTP_BASE_SYSCTL(sctp_log), M_SYSCTL);
169 SCTP_BASE_SYSCTL(sctp_log) = NULL;
170 }
171 #endif
172 }
173 #endif
174
175 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__Windows__)
176 /* It returns an upper limit. No filtering is done here */
177 static unsigned int
sctp_sysctl_number_of_addresses(struct sctp_inpcb * inp)178 sctp_sysctl_number_of_addresses(struct sctp_inpcb *inp)
179 {
180 unsigned int cnt;
181 struct sctp_vrf *vrf;
182 struct sctp_ifn *sctp_ifn;
183 struct sctp_ifa *sctp_ifa;
184 struct sctp_laddr *laddr;
185
186 cnt = 0;
187 /* neither Mac OS X nor FreeBSD support mulitple routing functions */
188 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
189 return (0);
190 }
191 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
192 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
193 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
194 switch (sctp_ifa->address.sa.sa_family) {
195 #ifdef INET
196 case AF_INET:
197 #endif
198 #ifdef INET6
199 case AF_INET6:
200 #endif
201 cnt++;
202 break;
203 default:
204 break;
205 }
206 }
207 }
208 } else {
209 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
210 switch (laddr->ifa->address.sa.sa_family) {
211 #ifdef INET
212 case AF_INET:
213 #endif
214 #ifdef INET6
215 case AF_INET6:
216 #endif
217 cnt++;
218 break;
219 default:
220 break;
221 }
222 }
223 }
224 return (cnt);
225 }
226
227 static int
sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb * inp,struct sctp_tcb * stcb,struct sysctl_req * req)228 sctp_sysctl_copy_out_local_addresses(struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sysctl_req *req)
229 {
230 struct sctp_ifn *sctp_ifn;
231 struct sctp_ifa *sctp_ifa;
232 int loopback_scope, ipv4_local_scope, local_scope, site_scope;
233 int ipv4_addr_legal, ipv6_addr_legal;
234 #if defined(__Userspace__)
235 int conn_addr_legal;
236 #endif
237 struct sctp_vrf *vrf;
238 struct xsctp_laddr xladdr;
239 struct sctp_laddr *laddr;
240 int error;
241
242 /* Turn on all the appropriate scope */
243 if (stcb) {
244 /* use association specific values */
245 loopback_scope = stcb->asoc.scope.loopback_scope;
246 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
247 local_scope = stcb->asoc.scope.local_scope;
248 site_scope = stcb->asoc.scope.site_scope;
249 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
250 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
251 #if defined(__Userspace__)
252 conn_addr_legal = stcb->asoc.scope.conn_addr_legal;
253 #endif
254 } else {
255 /* Use generic values for endpoints. */
256 loopback_scope = 1;
257 ipv4_local_scope = 1;
258 local_scope = 1;
259 site_scope = 1;
260 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
261 ipv6_addr_legal = 1;
262 if (SCTP_IPV6_V6ONLY(inp)) {
263 ipv4_addr_legal = 0;
264 } else {
265 ipv4_addr_legal = 1;
266 }
267 #if defined(__Userspace__)
268 conn_addr_legal = 0;
269 #endif
270 } else {
271 ipv6_addr_legal = 0;
272 #if defined(__Userspace__)
273 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) {
274 conn_addr_legal = 1;
275 ipv4_addr_legal = 0;
276 } else {
277 conn_addr_legal = 0;
278 ipv4_addr_legal = 1;
279 }
280 #else
281 ipv4_addr_legal = 1;
282 #endif
283 }
284 }
285
286 /* neither Mac OS X nor FreeBSD support mulitple routing functions */
287 if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
288 SCTP_INP_RUNLOCK(inp);
289 SCTP_INP_INFO_RUNLOCK();
290 return (-1);
291 }
292 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
293 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
294 if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn))
295 /* Skip loopback if loopback_scope not set */
296 continue;
297 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
298 if (stcb) {
299 /*
300 * ignore if blacklisted at
301 * association level
302 */
303 if (sctp_is_addr_restricted(stcb, sctp_ifa))
304 continue;
305 }
306 switch (sctp_ifa->address.sa.sa_family) {
307 #ifdef INET
308 case AF_INET:
309 if (ipv4_addr_legal) {
310 struct sockaddr_in *sin;
311
312 sin = &sctp_ifa->address.sin;
313 if (sin->sin_addr.s_addr == 0)
314 continue;
315 #if defined(__FreeBSD__)
316 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
317 &sin->sin_addr) != 0) {
318 continue;
319 }
320 #endif
321 if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr)))
322 continue;
323 } else {
324 continue;
325 }
326 break;
327 #endif
328 #ifdef INET6
329 case AF_INET6:
330 if (ipv6_addr_legal) {
331 struct sockaddr_in6 *sin6;
332
333 #if defined(SCTP_EMBEDDED_V6_SCOPE) && !defined(SCTP_KAME)
334 struct sockaddr_in6 lsa6;
335 #endif
336 sin6 = &sctp_ifa->address.sin6;
337 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))
338 continue;
339 #if defined(__FreeBSD__)
340 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
341 &sin6->sin6_addr) != 0) {
342 continue;
343 }
344 #endif
345 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
346 if (local_scope == 0)
347 continue;
348 #if defined(SCTP_EMBEDDED_V6_SCOPE)
349 if (sin6->sin6_scope_id == 0) {
350 #ifdef SCTP_KAME
351 /* bad link local address */
352 if (sa6_recoverscope(sin6) != 0)
353 continue;
354 #else
355 lsa6 = *sin6;
356 /* bad link local address */
357 if (in6_recoverscope(&lsa6, &lsa6.sin6_addr, NULL))
358 continue;
359 sin6 = &lsa6;
360 #endif /* SCTP_KAME */
361 }
362 #endif /* SCTP_EMBEDDED_V6_SCOPE */
363 }
364 if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)))
365 continue;
366 } else {
367 continue;
368 }
369 break;
370 #endif
371 #if defined(__Userspace__)
372 case AF_CONN:
373 if (!conn_addr_legal) {
374 continue;
375 }
376 break;
377 #endif
378 default:
379 continue;
380 }
381 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
382 memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore));
383 SCTP_INP_RUNLOCK(inp);
384 SCTP_INP_INFO_RUNLOCK();
385 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
386 if (error) {
387 return (error);
388 } else {
389 SCTP_INP_INFO_RLOCK();
390 SCTP_INP_RLOCK(inp);
391 }
392 }
393 }
394 } else {
395 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
396 /* ignore if blacklisted at association level */
397 if (stcb && sctp_is_addr_restricted(stcb, laddr->ifa))
398 continue;
399 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
400 memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore));
401 xladdr.start_time.tv_sec = (uint32_t)laddr->start_time.tv_sec;
402 xladdr.start_time.tv_usec = (uint32_t)laddr->start_time.tv_usec;
403 SCTP_INP_RUNLOCK(inp);
404 SCTP_INP_INFO_RUNLOCK();
405 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
406 if (error) {
407 return (error);
408 } else {
409 SCTP_INP_INFO_RLOCK();
410 SCTP_INP_RLOCK(inp);
411 }
412 }
413 }
414 memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
415 xladdr.last = 1;
416 SCTP_INP_RUNLOCK(inp);
417 SCTP_INP_INFO_RUNLOCK();
418 error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
419
420 if (error) {
421 return (error);
422 } else {
423 SCTP_INP_INFO_RLOCK();
424 SCTP_INP_RLOCK(inp);
425 return (0);
426 }
427 }
428
429 /*
430 * sysctl functions
431 */
432 #if defined(__APPLE__)
433 static int
434 sctp_sysctl_handle_assoclist SYSCTL_HANDLER_ARGS
435 {
436 #pragma unused(oidp, arg1, arg2)
437 #else
438 static int
439 sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS)
440 {
441 #endif
442 unsigned int number_of_endpoints;
443 unsigned int number_of_local_addresses;
444 unsigned int number_of_associations;
445 unsigned int number_of_remote_addresses;
446 unsigned int n;
447 int error;
448 struct sctp_inpcb *inp;
449 struct sctp_tcb *stcb;
450 struct sctp_nets *net;
451 struct xsctp_inpcb xinpcb;
452 struct xsctp_tcb xstcb;
453 struct xsctp_raddr xraddr;
454 struct socket *so;
455
456 number_of_endpoints = 0;
457 number_of_local_addresses = 0;
458 number_of_associations = 0;
459 number_of_remote_addresses = 0;
460
461 SCTP_INP_INFO_RLOCK();
462 #if defined(__APPLE__)
463 if (req->oldptr == USER_ADDR_NULL) {
464 #else
465 if (req->oldptr == NULL) {
466 #endif
467 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
468 SCTP_INP_RLOCK(inp);
469 number_of_endpoints++;
470 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
471 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
472 number_of_associations++;
473 number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
474 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
475 number_of_remote_addresses++;
476 }
477 }
478 SCTP_INP_RUNLOCK(inp);
479 }
480 SCTP_INP_INFO_RUNLOCK();
481 n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) +
482 (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) +
483 (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) +
484 (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr);
485
486 /* request some more memory than needed */
487 #if !defined(__Windows__)
488 req->oldidx = (n + n / 8);
489 #else
490 req->dataidx = (n + n / 8);
491 #endif
492 return (0);
493 }
494 #if defined(__APPLE__)
495 if (req->newptr != USER_ADDR_NULL) {
496 #else
497 if (req->newptr != NULL) {
498 #endif
499 SCTP_INP_INFO_RUNLOCK();
500 SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM);
501 return (EPERM);
502 }
503 LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
504 SCTP_INP_RLOCK(inp);
505 if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {
506 /* if its allgone it is being freed - skip it */
507 goto skip;
508 }
509 xinpcb.last = 0;
510 xinpcb.local_port = ntohs(inp->sctp_lport);
511 xinpcb.flags = inp->sctp_flags;
512 #if defined(__FreeBSD__) && __FreeBSD_version < 1000048
513 xinpcb.features = (uint32_t)inp->sctp_features;
514 #else
515 xinpcb.features = inp->sctp_features;
516 #endif
517 xinpcb.total_sends = inp->total_sends;
518 xinpcb.total_recvs = inp->total_recvs;
519 xinpcb.total_nospaces = inp->total_nospaces;
520 xinpcb.fragmentation_point = inp->sctp_frag_point;
521 so = inp->sctp_socket;
522 if ((so == NULL) ||
523 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
524 xinpcb.qlen = 0;
525 xinpcb.maxqlen = 0;
526 } else {
527 xinpcb.qlen = so->so_qlen;
528 xinpcb.maxqlen = so->so_qlimit;
529 }
530 SCTP_INP_INCR_REF(inp);
531 SCTP_INP_RUNLOCK(inp);
532 SCTP_INP_INFO_RUNLOCK();
533 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
534 if (error) {
535 SCTP_INP_DECR_REF(inp);
536 return (error);
537 }
538 SCTP_INP_INFO_RLOCK();
539 SCTP_INP_RLOCK(inp);
540 error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req);
541 if (error) {
542 SCTP_INP_DECR_REF(inp);
543 return (error);
544 }
545 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
546 SCTP_TCB_LOCK(stcb);
547 atomic_add_int(&stcb->asoc.refcnt, 1);
548 SCTP_TCB_UNLOCK(stcb);
549 xstcb.last = 0;
550 xstcb.local_port = ntohs(inp->sctp_lport);
551 xstcb.remote_port = ntohs(stcb->rport);
552 if (stcb->asoc.primary_destination != NULL)
553 xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr;
554 xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay;
555 xstcb.state = SCTP_GET_STATE(&stcb->asoc); /* FIXME */
556 #if defined(__FreeBSD__)
557 #if __FreeBSD_version >= 800000
558 /* 7.0 does not support these */
559 xstcb.assoc_id = sctp_get_associd(stcb);
560 xstcb.peers_rwnd = stcb->asoc.peers_rwnd;
561 #endif
562 #else
563 xstcb.assoc_id = sctp_get_associd(stcb);
564 xstcb.peers_rwnd = stcb->asoc.peers_rwnd;
565 #endif
566 xstcb.in_streams = stcb->asoc.streamincnt;
567 xstcb.out_streams = stcb->asoc.streamoutcnt;
568 xstcb.max_nr_retrans = stcb->asoc.overall_error_count;
569 xstcb.primary_process = 0; /* not really supported yet */
570 xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie;
571 xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack;
572 xstcb.retransmitted_tsns = stcb->asoc.marked_retrans;
573 xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec;
574 xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec;
575 xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec;
576 xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec;
577 xstcb.total_sends = stcb->total_sends;
578 xstcb.total_recvs = stcb->total_recvs;
579 xstcb.local_tag = stcb->asoc.my_vtag;
580 xstcb.remote_tag = stcb->asoc.peer_vtag;
581 xstcb.initial_tsn = stcb->asoc.init_seq_number;
582 xstcb.highest_tsn = stcb->asoc.sending_seq - 1;
583 xstcb.cumulative_tsn = stcb->asoc.last_acked_seq;
584 xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn;
585 xstcb.mtu = stcb->asoc.smallest_mtu;
586 xstcb.refcnt = stcb->asoc.refcnt;
587 SCTP_INP_RUNLOCK(inp);
588 SCTP_INP_INFO_RUNLOCK();
589 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
590 if (error) {
591 SCTP_INP_DECR_REF(inp);
592 atomic_subtract_int(&stcb->asoc.refcnt, 1);
593 return (error);
594 }
595 SCTP_INP_INFO_RLOCK();
596 SCTP_INP_RLOCK(inp);
597 error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req);
598 if (error) {
599 SCTP_INP_DECR_REF(inp);
600 atomic_subtract_int(&stcb->asoc.refcnt, 1);
601 return (error);
602 }
603 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
604 xraddr.last = 0;
605 xraddr.address = net->ro._l_addr;
606 xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE);
607 xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0);
608 xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0);
609 xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF);
610 xraddr.rto = net->RTO;
611 xraddr.max_path_rtx = net->failure_threshold;
612 xraddr.rtx = net->marked_retrans;
613 xraddr.error_counter = net->error_count;
614 xraddr.cwnd = net->cwnd;
615 xraddr.flight_size = net->flight_size;
616 xraddr.mtu = net->mtu;
617 #if defined(__FreeBSD__)
618 #if __FreeBSD_version >= 800000
619 xraddr.rtt = net->rtt / 1000;
620 xraddr.heartbeat_interval = net->heart_beat_delay;
621 #endif
622 #else
623 xraddr.rtt = net->rtt / 1000;
624 xraddr.heartbeat_interval = net->heart_beat_delay;
625 #endif
626 xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec;
627 xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec;
628 SCTP_INP_RUNLOCK(inp);
629 SCTP_INP_INFO_RUNLOCK();
630 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
631 if (error) {
632 SCTP_INP_DECR_REF(inp);
633 atomic_subtract_int(&stcb->asoc.refcnt, 1);
634 return (error);
635 }
636 SCTP_INP_INFO_RLOCK();
637 SCTP_INP_RLOCK(inp);
638 }
639 atomic_subtract_int(&stcb->asoc.refcnt, 1);
640 memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr));
641 xraddr.last = 1;
642 SCTP_INP_RUNLOCK(inp);
643 SCTP_INP_INFO_RUNLOCK();
644 error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
645 if (error) {
646 SCTP_INP_DECR_REF(inp);
647 return (error);
648 }
649 SCTP_INP_INFO_RLOCK();
650 SCTP_INP_RLOCK(inp);
651 }
652 SCTP_INP_DECR_REF(inp);
653 SCTP_INP_RUNLOCK(inp);
654 SCTP_INP_INFO_RUNLOCK();
655 memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb));
656 xstcb.last = 1;
657 error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
658 if (error) {
659 return (error);
660 }
661 skip:
662 SCTP_INP_INFO_RLOCK();
663 }
664 SCTP_INP_INFO_RUNLOCK();
665
666 memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb));
667 xinpcb.last = 1;
668 error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
669 return (error);
670 }
671
672 #if defined(__APPLE__)
673 static int
674 sctp_sysctl_handle_udp_tunneling SYSCTL_HANDLER_ARGS
675 {
676 #pragma unused(arg1, arg2)
677 #else
678 static int
679 sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS)
680 {
681 #endif
682 int error;
683 uint32_t old, new;
684
685 SCTP_INP_INFO_RLOCK();
686 old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port);
687 SCTP_INP_INFO_RUNLOCK();
688 new = old;
689 #if defined(__FreeBSD__) && __FreeBSD_version >= 800056 && __FreeBSD_version < 1000100
690 #ifdef VIMAGE
691 error = vnet_sysctl_handle_int(oidp, &new, 0, req);
692 #else
693 error = sysctl_handle_int(oidp, &new, 0, req);
694 #endif
695 #else
696 error = sysctl_handle_int(oidp, &new, 0, req);
697 #endif
698 if ((error == 0) &&
699 #if defined (__APPLE__)
700 (req->newptr != USER_ADDR_NULL)) {
701 #else
702 (req->newptr != NULL)) {
703 #endif
704 #if defined(__Windows__)
705 SCTP_INP_INFO_WLOCK();
706 sctp_over_udp_restart();
707 SCTP_INP_INFO_WUNLOCK();
708 #else
709 if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) ||
710 (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) {
711 error = EINVAL;
712 } else {
713 SCTP_INP_INFO_WLOCK();
714 SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new;
715 if (old != 0) {
716 sctp_over_udp_stop();
717 }
718 if (new != 0) {
719 error = sctp_over_udp_start();
720 }
721 SCTP_INP_INFO_WUNLOCK();
722 }
723 #endif
724 }
725 return (error);
726 }
727
728 #if defined(__APPLE__)
729 int sctp_is_vmware_interface(struct ifnet *);
730
731 static int
732 sctp_sysctl_handle_vmware_interfaces SYSCTL_HANDLER_ARGS
733 {
734 #pragma unused(arg1, arg2)
735 int error;
736 uint32_t old, new;
737
738 old = SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces);
739 new = old;
740 error = sysctl_handle_int(oidp, &new, 0, req);
741 if ((error == 0) && (req->newptr != USER_ADDR_NULL)) {
742 if ((new < SCTPCTL_IGNORE_VMWARE_INTERFACES_MIN) ||
743 (new > SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX)) {
744 error = EINVAL;
745 } else {
746 if ((old == 1) && (new == 0)) {
747 sctp_add_or_del_interfaces(sctp_is_vmware_interface, 1);
748 }
749 if ((old == 0) && (new == 1)) {
750 sctp_add_or_del_interfaces(sctp_is_vmware_interface, 0);
751 }
752 if (old != new) {
753 SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = new;
754 }
755 }
756 }
757 return (error);
758 }
759 #endif
760
761 #if defined(__APPLE__)
762 static int
763 sctp_sysctl_handle_auth SYSCTL_HANDLER_ARGS
764 {
765 #pragma unused(arg1, arg2)
766 #else
767 static int
768 sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS)
769 {
770 #endif
771 int error;
772 uint32_t new;
773
774 new = SCTP_BASE_SYSCTL(sctp_auth_enable);
775 #if defined(__FreeBSD__) && __FreeBSD_version >= 800056 && __FreeBSD_version < 1000100
776 #ifdef VIMAGE
777 error = vnet_sysctl_handle_int(oidp, &new, 0, req);
778 #else
779 error = sysctl_handle_int(oidp, &new, 0, req);
780 #endif
781 #else
782 error = sysctl_handle_int(oidp, &new, 0, req);
783 #endif
784 if ((error == 0) &&
785 #if defined (__APPLE__)
786 (req->newptr != USER_ADDR_NULL)) {
787 #else
788 (req->newptr != NULL)) {
789 #endif
790 if ((new < SCTPCTL_AUTH_ENABLE_MIN) ||
791 (new > SCTPCTL_AUTH_ENABLE_MAX) ||
792 ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) {
793 error = EINVAL;
794 } else {
795 SCTP_BASE_SYSCTL(sctp_auth_enable) = new;
796 }
797 }
798 return (error);
799 }
800
801 #if defined(__APPLE__)
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 #if defined(__FreeBSD__) && __FreeBSD_version >= 800056 && __FreeBSD_version < 1000100
816 #ifdef VIMAGE
817 error = vnet_sysctl_handle_int(oidp, &new, 0, req);
818 #else
819 error = sysctl_handle_int(oidp, &new, 0, req);
820 #endif
821 #else
822 error = sysctl_handle_int(oidp, &new, 0, req);
823 #endif
824 if ((error == 0) &&
825 #if defined (__APPLE__)
826 (req->newptr != USER_ADDR_NULL)) {
827 #else
828 (req->newptr != NULL)) {
829 #endif
830 if ((new < SCTPCTL_ASCONF_ENABLE_MIN) ||
831 (new > SCTPCTL_ASCONF_ENABLE_MAX) ||
832 ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) {
833 error = EINVAL;
834 } else {
835 SCTP_BASE_SYSCTL(sctp_asconf_enable) = new;
836 }
837 }
838 return (error);
839 }
840
841 #if defined(__APPLE__)
842 static int
843 sctp_sysctl_handle_stats SYSCTL_HANDLER_ARGS
844 {
845 #pragma unused(oidp, arg1, arg2)
846 #else
847 static int
848 sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS)
849 {
850 #endif
851 int error;
852 #if defined(__FreeBSD__)
853 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
854 int cpu;
855 struct sctpstat sb, *sarry;
856 #endif
857 #endif
858
859 #if defined (__APPLE__)
860 if ((req->newptr != USER_ADDR_NULL) &&
861 #else
862 if ((req->newptr != NULL) &&
863 #endif
864 (req->newlen != sizeof(struct sctpstat))) {
865 return (EINVAL);
866 }
867 #if defined(__FreeBSD__)
868 #if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
869 memset(&sb, 0, sizeof(struct sctpstat));
870 for (cpu = 0; cpu < mp_maxid; cpu++) {
871 sarry = &SCTP_BASE_STATS[cpu];
872 if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) {
873 sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec;
874 sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec;
875 }
876 sb.sctps_currestab += sarry->sctps_currestab;
877 sb.sctps_activeestab += sarry->sctps_activeestab;
878 sb.sctps_restartestab += sarry->sctps_restartestab;
879 sb.sctps_collisionestab += sarry->sctps_collisionestab;
880 sb.sctps_passiveestab += sarry->sctps_passiveestab;
881 sb.sctps_aborted += sarry->sctps_aborted;
882 sb.sctps_shutdown += sarry->sctps_shutdown;
883 sb.sctps_outoftheblue += sarry->sctps_outoftheblue;
884 sb.sctps_checksumerrors += sarry->sctps_checksumerrors;
885 sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks;
886 sb.sctps_outorderchunks += sarry->sctps_outorderchunks;
887 sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks;
888 sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks;
889 sb.sctps_inorderchunks += sarry->sctps_inorderchunks;
890 sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks;
891 sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs;
892 sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs;
893 sb.sctps_outpackets += sarry->sctps_outpackets;
894 sb.sctps_inpackets += sarry->sctps_inpackets;
895 sb.sctps_recvpackets += sarry->sctps_recvpackets;
896 sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams;
897 sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata;
898 sb.sctps_recvsacks += sarry->sctps_recvsacks;
899 sb.sctps_recvdata += sarry->sctps_recvdata;
900 sb.sctps_recvdupdata += sarry->sctps_recvdupdata;
901 sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat;
902 sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack;
903 sb.sctps_recvecne += sarry->sctps_recvecne;
904 sb.sctps_recvauth += sarry->sctps_recvauth;
905 sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing;
906 sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid;
907 sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid;
908 sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed;
909 sb.sctps_recvexpress += sarry->sctps_recvexpress;
910 sb.sctps_recvexpressm += sarry->sctps_recvexpressm;
911 sb.sctps_recvnocrc += sarry->sctps_recvnocrc;
912 sb.sctps_recvswcrc += sarry->sctps_recvswcrc;
913 sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc;
914 sb.sctps_sendpackets += sarry->sctps_sendpackets;
915 sb.sctps_sendsacks += sarry->sctps_sendsacks;
916 sb.sctps_senddata += sarry->sctps_senddata;
917 sb.sctps_sendretransdata += sarry->sctps_sendretransdata;
918 sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans;
919 sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans;
920 sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat;
921 sb.sctps_sendecne += sarry->sctps_sendecne;
922 sb.sctps_sendauth += sarry->sctps_sendauth;
923 sb.sctps_senderrors += sarry->sctps_senderrors;
924 sb.sctps_sendnocrc += sarry->sctps_sendnocrc;
925 sb.sctps_sendswcrc += sarry->sctps_sendswcrc;
926 sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc;
927 sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox;
928 sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos;
929 sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda;
930 sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct;
931 sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt;
932 sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt;
933 sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat;
934 sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk;
935 sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf;
936 sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd;
937 sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp;
938 sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw;
939 sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd;
940 sb.sctps_pdrpmark += sarry->sctps_pdrpmark;
941 sb.sctps_timoiterator += sarry->sctps_timoiterator;
942 sb.sctps_timodata += sarry->sctps_timodata;
943 sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe;
944 sb.sctps_timoinit += sarry->sctps_timoinit;
945 sb.sctps_timosack += sarry->sctps_timosack;
946 sb.sctps_timoshutdown += sarry->sctps_timoshutdown;
947 sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat;
948 sb.sctps_timocookie += sarry->sctps_timocookie;
949 sb.sctps_timosecret += sarry->sctps_timosecret;
950 sb.sctps_timopathmtu += sarry->sctps_timopathmtu;
951 sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack;
952 sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard;
953 sb.sctps_timostrmrst += sarry->sctps_timostrmrst;
954 sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr;
955 sb.sctps_timoasconf += sarry->sctps_timoasconf;
956 sb.sctps_timodelprim += sarry->sctps_timodelprim;
957 sb.sctps_timoautoclose += sarry->sctps_timoautoclose;
958 sb.sctps_timoassockill += sarry->sctps_timoassockill;
959 sb.sctps_timoinpkill += sarry->sctps_timoinpkill;
960 sb.sctps_hdrops += sarry->sctps_hdrops;
961 sb.sctps_badsum += sarry->sctps_badsum;
962 sb.sctps_noport += sarry->sctps_noport;
963 sb.sctps_badvtag += sarry->sctps_badvtag;
964 sb.sctps_badsid += sarry->sctps_badsid;
965 sb.sctps_nomem += sarry->sctps_nomem;
966 sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt;
967 sb.sctps_markedretrans += sarry->sctps_markedretrans;
968 sb.sctps_naglesent += sarry->sctps_naglesent;
969 sb.sctps_naglequeued += sarry->sctps_naglequeued;
970 sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued;
971 sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued;
972 sb.sctps_windowprobed += sarry->sctps_windowprobed;
973 sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr;
974 sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr;
975 sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt;
976 sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd;
977 sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd;
978 sb.sctps_vtagexpress += sarry->sctps_vtagexpress;
979 sb.sctps_vtagbogus += sarry->sctps_vtagbogus;
980 sb.sctps_primary_randry += sarry->sctps_primary_randry;
981 sb.sctps_cmt_randry += sarry->sctps_cmt_randry;
982 sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack;
983 sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent;
984 sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags;
985 sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord;
986 sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof;
987 sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort;
988 sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls;
989 sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done;
990 sb.sctps_read_peeks += sarry->sctps_read_peeks;
991 sb.sctps_cached_chk += sarry->sctps_cached_chk;
992 sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq;
993 sb.sctps_left_abandon += sarry->sctps_left_abandon;
994 sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid;
995 sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid;
996 sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over;
997 if (req->newptr != NULL) {
998 memcpy(sarry, req->newptr, sizeof(struct sctpstat));
999 }
1000 }
1001 error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat));
1002 #else
1003 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
1004 #endif
1005 #else
1006 error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
1007 #endif
1008 return (error);
1009 }
1010
1011 #if defined(SCTP_LOCAL_TRACE_BUF)
1012 #if defined(__APPLE__)
1013 static int
1014 sctp_sysctl_handle_trace_log SYSCTL_HANDLER_ARGS
1015 {
1016 #pragma unused(arg1, arg2, oidp)
1017 #else
1018 static int
1019 sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS)
1020 {
1021 #endif
1022 int error;
1023
1024 #if defined(__Windows__)
1025 error = SYSCTL_OUT(req, SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log));
1026 #else
1027 error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log));
1028 #endif
1029 return (error);
1030 }
1031
1032 #if defined(__APPLE__)
1033 static int
1034 sctp_sysctl_handle_trace_log_clear SYSCTL_HANDLER_ARGS
1035 {
1036 #pragma unused(arg1, arg2, req, oidp)
1037 #else
1038 static int
1039 sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS)
1040 {
1041 #endif
1042 int error = 0;
1043 #if defined(__Windows__)
1044 int value = 0;
1045
1046 if (req->new_data == NULL) {
1047 return (error);
1048 }
1049 error = SYSCTL_IN(req, &value, sizeof(int));
1050 if (error == 0 && value != 0 && SCTP_BASE_SYSCTL(sctp_log) != NULL) {
1051 memset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1052 }
1053 #else
1054
1055 memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1056 #endif
1057 return (error);
1058 }
1059 #endif
1060
1061 #if defined(__APPLE__) || defined(__FreeBSD__)
1062 #if defined(__FreeBSD__)
1063 #if __FreeBSD_version >= 800056 && __FreeBSD_version < 1000100
1064 #ifdef VIMAGE
1065 #define SCTP_UINT_SYSCTL(name, var_name, prefix) \
1066 static int \
1067 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \
1068 { \
1069 int error; \
1070 uint32_t new; \
1071 \
1072 new = SCTP_BASE_SYSCTL(var_name); \
1073 error = vnet_sysctl_handle_int(oidp, &new, 0, req); \
1074 if ((error == 0) && (req->newptr != NULL)) { \
1075 if ((new < prefix##_MIN) || \
1076 (new > prefix##_MAX)) { \
1077 error = EINVAL; \
1078 } else { \
1079 SCTP_BASE_SYSCTL(var_name) = new; \
1080 } \
1081 } \
1082 return (error); \
1083 } \
1084 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \
1085 CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \
1086 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC);
1087 #else
1088 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \
1089 static int \
1090 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \
1091 { \
1092 int error; \
1093 uint32_t new; \
1094 \
1095 new = SCTP_BASE_SYSCTL(var_name); \
1096 error = sysctl_handle_int(oidp, &new, 0, req); \
1097 if ((error == 0) && (req->newptr != NULL)) { \
1098 if ((new < prefix##_MIN) || \
1099 (new > prefix##_MAX)) { \
1100 error = EINVAL; \
1101 } else { \
1102 SCTP_BASE_SYSCTL(var_name) = new; \
1103 } \
1104 } \
1105 return (error); \
1106 } \
1107 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \
1108 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \
1109 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC);
1110 #endif
1111 #else
1112 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \
1113 static int \
1114 sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS) \
1115 { \
1116 int error; \
1117 uint32_t new; \
1118 \
1119 new = SCTP_BASE_SYSCTL(var_name); \
1120 error = sysctl_handle_int(oidp, &new, 0, req); \
1121 if ((error == 0) && (req->newptr != NULL)) { \
1122 if ((new < prefix##_MIN) || \
1123 (new > prefix##_MAX)) { \
1124 error = EINVAL; \
1125 } else { \
1126 SCTP_BASE_SYSCTL(var_name) = new; \
1127 } \
1128 } \
1129 return (error); \
1130 } \
1131 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \
1132 CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \
1133 sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC);
1134 #endif
1135 #else
1136 #define SCTP_UINT_SYSCTL(mib_name, var_name, prefix) \
1137 static int \
1138 sctp_sysctl_handle_##mib_name(struct sysctl_oid *oidp, \
1139 void *arg1 __attribute__((unused)), \
1140 int arg2 __attribute__((unused)), \
1141 struct sysctl_req *req) \
1142 { \
1143 int error; \
1144 uint32_t new; \
1145 \
1146 new = SCTP_BASE_SYSCTL(var_name); \
1147 error = sysctl_handle_int(oidp, &new, 0, req); \
1148 if ((error == 0) && (req->newptr != USER_ADDR_NULL)) { \
1149 if ((new < prefix##_MIN) || \
1150 (new > prefix##_MAX)) { \
1151 error = EINVAL; \
1152 } else { \
1153 SCTP_BASE_SYSCTL(var_name) = new; \
1154 } \
1155 } \
1156 return (error); \
1157 } \
1158 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name, \
1159 CTLTYPE_INT | CTLFLAG_RW, NULL, 0, \
1160 sctp_sysctl_handle_##mib_name, "I", prefix##_DESC);
1161 #define CTLTYPE_UINT CTLTYPE_INT
1162 #define CTLFLAG_VNET 0
1163 #endif
1164
1165 /*
1166 * sysctl definitions
1167 */
1168
1169 SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM)
1170 SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE)
1171 SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF)
1172 SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE)
1173 SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE)
1174 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1175 NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC);
1176 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1177 NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC);
1178 SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE)
1179 SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE)
1180 SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE)
1181 SCTP_UINT_SYSCTL(strict_sacks, sctp_strict_sacks, SCTPCTL_STRICT_SACKS)
1182 #if defined(__APPLE__)
1183 #if !defined(SCTP_WITH_NO_CSUM)
1184 SCTP_UINT_SYSCTL(loopback_nocsum, sctp_no_csum_on_loopback, SCTPCTL_LOOPBACK_NOCSUM)
1185 #endif
1186 #endif
1187 SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH)
1188 SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST)
1189 SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST)
1190 SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS)
1191 SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE)
1192 SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE)
1193 SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT)
1194 SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE)
1195 SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME)
1196 SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ)
1197 SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE)
1198 SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE)
1199 SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL)
1200 SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME)
1201 SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME)
1202 SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME)
1203 SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX)
1204 SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN)
1205 SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL)
1206 SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX)
1207 SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE)
1208 SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX)
1209 SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX)
1210 SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX)
1211 SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD)
1212 SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT)
1213 SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS)
1214 SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS)
1215 SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF)
1216 SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC)
1217 SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST)
1218 SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY)
1219 SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR)
1220 SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS)
1221 SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN)
1222 SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST)
1223 SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT)
1224 SCTP_UINT_SYSCTL(strict_data_order, sctp_strict_data_order, SCTPCTL_STRICT_DATA_ORDER)
1225 SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL)
1226 SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK)
1227 SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL)
1228 SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE)
1229 SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE)
1230 SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE)
1231 SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE)
1232 SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF)
1233 #if defined(SCTP_LOCAL_TRACE_BUF)
1234 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RD,
1235 NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)");
1236 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET|CTLTYPE_UINT | CTLFLAG_RW,
1237 NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer");
1238 #endif
1239 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1240 NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC);
1241 SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE)
1242 SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS)
1243 SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT)
1244 SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING)
1245 SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND)
1246 SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW)
1247 SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT)
1248 SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET)
1249 SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS)
1250 SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN)
1251 SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE)
1252 SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE)
1253 #ifdef SCTP_DEBUG
1254 SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG)
1255 #endif
1256 #if defined(__APPLE__)
1257 SCTP_UINT_SYSCTL(main_timer, sctp_main_timer, SCTPCTL_MAIN_TIMER)
1258 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ignore_vmware_interfaces, CTLTYPE_UINT|CTLFLAG_RW,
1259 NULL, 0, sctp_sysctl_handle_vmware_interfaces, "IU", SCTPCTL_IGNORE_VMWARE_INTERFACES_DESC);
1260 SCTP_UINT_SYSCTL(addr_watchdog_limit, sctp_addr_watchdog_limit, SCTPCTL_ADDR_WATCHDOG_LIMIT)
1261 SCTP_UINT_SYSCTL(vtag_watchdog_limit, sctp_vtag_watchdog_limit, SCTPCTL_VTAG_WATCHDOG_LIMIT)
1262 #endif
1263 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
1264 SCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED)
1265 #endif
1266 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RW,
1267 NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)");
1268 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET|CTLTYPE_OPAQUE|CTLFLAG_RD,
1269 NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations");
1270
1271 #elif defined(__Windows__)
1272
1273 #define RANGECHK(var, min, max) \
1274 if ((var) < (min)) { (var) = (min); } \
1275 else if ((var) > (max)) { (var) = (max); }
1276
1277 static int
sctp_sysctl_handle_int(SYSCTL_HANDLER_ARGS)1278 sctp_sysctl_handle_int(SYSCTL_HANDLER_ARGS)
1279 {
1280 int error;
1281
1282 error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
1283 if (error == 0) {
1284 RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX);
1285 RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX);
1286 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
1287 RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
1288 RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX);
1289 RANGECHK(SCTP_BASE_SYSCTL(sctp_pr_enable), SCTPCTL_PR_ENABLE_MIN, SCTPCTL_PR_ENABLE_MAX);
1290 RANGECHK(SCTP_BASE_SYSCTL(sctp_reconfig_enable), SCTPCTL_RECONFIG_ENABLE_MIN, SCTPCTL_RECONFIG_ENABLE_MAX);
1291 RANGECHK(SCTP_BASE_SYSCTL(sctp_nrsack_enable), SCTPCTL_NRSACK_ENABLE_MIN, SCTPCTL_NRSACK_ENABLE_MAX);
1292 RANGECHK(SCTP_BASE_SYSCTL(sctp_pktdrop_enable), SCTPCTL_PKTDROP_ENABLE_MIN, SCTPCTL_PKTDROP_ENABLE_MAX);
1293 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX);
1294 #if !defined(SCTP_WITH_NO_CSUM)
1295 RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX);
1296 #endif
1297 RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX);
1298 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX);
1299 RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTPCTL_FRMAXBURST_MAX);
1300 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX);
1301 RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX);
1302 RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX);
1303 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX);
1304 RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX);
1305 RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX);
1306 RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX);
1307 RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX);
1308 RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX);
1309 RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX);
1310 RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX);
1311 RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX);
1312 RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX);
1313 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX);
1314 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX);
1315 RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX);
1316 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX);
1317 RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX);
1318 RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX);
1319 RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX);
1320 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX);
1321 RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, SCTPCTL_PATH_PF_THRESHOLD_MAX);
1322 RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX);
1323 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), SCTPCTL_INCOMING_STREAMS_MIN, SCTPCTL_INCOMING_STREAMS_MAX);
1324 RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX);
1325 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX);
1326 RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX);
1327 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX);
1328 RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX);
1329 RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX);
1330 RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX);
1331 RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX);
1332 RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX);
1333 RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX);
1334 RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_data_order), SCTPCTL_STRICT_DATA_ORDER_MIN, SCTPCTL_STRICT_DATA_ORDER_MAX);
1335 RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX);
1336 RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX);
1337 RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX);
1338 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX);
1339 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX);
1340 RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX);
1341 RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX);
1342 RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX);
1343 RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX);
1344 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_BW_MAX);
1345 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR_RTT_MAX);
1346 RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RTTVAR_EQRET_MAX);
1347 RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_RTTVAR_STEADYS_MAX);
1348 RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_RTTVAR_DCCCECN_MAX);
1349 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX);
1350 RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX);
1351 RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX);
1352 RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX);
1353 RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOLE_MAX);
1354 RANGECHK(SCTP_BASE_SYSCTL(sctp_diag_info_code), SCTPCTL_DIAG_INFO_CODE_MIN, SCTPCTL_DIAG_INFO_CODE_MAX);
1355 #ifdef SCTP_DEBUG
1356 RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX);
1357 #endif
1358 }
1359 return (error);
1360 }
1361
1362 void
sysctl_setup_sctp(void)1363 sysctl_setup_sctp(void)
1364 {
1365 sysctl_add_oid(&sysctl_oid_top, "sendspace", CTLTYPE_INT|CTLFLAG_RW,
1366 &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sctp_sysctl_handle_int,
1367 SCTPCTL_MAXDGRAM_DESC);
1368
1369 sysctl_add_oid(&sysctl_oid_top, "recvspace", CTLTYPE_INT|CTLFLAG_RW,
1370 &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sctp_sysctl_handle_int,
1371 SCTPCTL_RECVSPACE_DESC);
1372
1373 sysctl_add_oid(&sysctl_oid_top, "auto_asconf", CTLTYPE_INT|CTLFLAG_RW,
1374 &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sctp_sysctl_handle_int,
1375 SCTPCTL_AUTOASCONF_DESC);
1376
1377 sysctl_add_oid(&sysctl_oid_top, "ecn_enable", CTLTYPE_INT|CTLFLAG_RW,
1378 &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sctp_sysctl_handle_int,
1379 SCTPCTL_ECN_ENABLE_DESC);
1380
1381 sysctl_add_oid(&sysctl_oid_top, "pr_enable", CTLTYPE_INT|CTLFLAG_RW,
1382 &SCTP_BASE_SYSCTL(sctp_pr_enable), 0, sctp_sysctl_handle_int,
1383 SCTPCTL_PR_ENABLE_DESC);
1384
1385 sysctl_add_oid(&sysctl_oid_top, "auth_enable", CTLTYPE_INT|CTLFLAG_RW,
1386 &SCTP_BASE_SYSCTL(sctp_auth_enable), 0, sctp_sysctl_handle_auth,
1387 SCTPCTL_AUTH_ENABLE_DESC);
1388
1389 sysctl_add_oid(&sysctl_oid_top, "asconf_enable", CTLTYPE_INT|CTLFLAG_RW,
1390 &SCTP_BASE_SYSCTL(sctp_asconf_enable), 0, sctp_sysctl_handle_asconf,
1391 SCTPCTL_ASCONF_ENABLE_DESC);
1392
1393 sysctl_add_oid(&sysctl_oid_top, "reconfig_enable", CTLTYPE_INT|CTLFLAG_RW,
1394 &SCTP_BASE_SYSCTL(sctp_reconfig_enable), 0, sctp_sysctl_handle_int,
1395 SCTPCTL_RECONFIG_ENABLE_DESC);
1396
1397 sysctl_add_oid(&sysctl_oid_top, "nrsack_enable", CTLTYPE_INT|CTLFLAG_RW,
1398 &SCTP_BASE_SYSCTL(sctp_nrsack_enable), 0, sctp_sysctl_handle_int,
1399 SCTPCTL_NRSACK_ENABLE_DESC);
1400
1401 sysctl_add_oid(&sysctl_oid_top, "pktdrop_enable", CTLTYPE_INT|CTLFLAG_RW,
1402 &SCTP_BASE_SYSCTL(sctp_pktdrop_enable), 0, sctp_sysctl_handle_int,
1403 SCTPCTL_PKTDROP_ENABLE_DESC);
1404
1405 sysctl_add_oid(&sysctl_oid_top, "strict_sacks", CTLTYPE_INT|CTLFLAG_RW,
1406 &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sctp_sysctl_handle_int,
1407 SCTPCTL_STRICT_SACKS_DESC);
1408
1409 #if !defined(SCTP_WITH_NO_CSUM)
1410 sysctl_add_oid(&sysctl_oid_top, "loopback_nocsum", CTLTYPE_INT|CTLFLAG_RW,
1411 &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sctp_sysctl_handle_int,
1412 SCTPCTL_LOOPBACK_NOCSUM_DESC);
1413 #endif
1414
1415 sysctl_add_oid(&sysctl_oid_top, "peer_chkoh", CTLTYPE_INT|CTLFLAG_RW,
1416 &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sctp_sysctl_handle_int,
1417 SCTPCTL_PEER_CHKOH_DESC);
1418
1419 sysctl_add_oid(&sysctl_oid_top, "maxburst", CTLTYPE_INT|CTLFLAG_RW,
1420 &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sctp_sysctl_handle_int,
1421 SCTPCTL_MAXBURST_DESC);
1422
1423 sysctl_add_oid(&sysctl_oid_top, "fr_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1424 &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sctp_sysctl_handle_int,
1425 SCTPCTL_FRMAXBURST_DESC);
1426
1427 sysctl_add_oid(&sysctl_oid_top, "maxchunks", CTLTYPE_INT|CTLFLAG_RW,
1428 &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sctp_sysctl_handle_int,
1429 SCTPCTL_MAXCHUNKS_DESC);
1430
1431 sysctl_add_oid(&sysctl_oid_top, "tcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1432 &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sctp_sysctl_handle_int,
1433 SCTPCTL_TCBHASHSIZE_DESC);
1434
1435 sysctl_add_oid(&sysctl_oid_top, "pcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1436 &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sctp_sysctl_handle_int,
1437 SCTPCTL_PCBHASHSIZE_DESC);
1438
1439 sysctl_add_oid(&sysctl_oid_top, "min_split_point", CTLTYPE_INT|CTLFLAG_RW,
1440 &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sctp_sysctl_handle_int,
1441 SCTPCTL_MIN_SPLIT_POINT_DESC);
1442
1443 sysctl_add_oid(&sysctl_oid_top, "chunkscale", CTLTYPE_INT|CTLFLAG_RW,
1444 &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sctp_sysctl_handle_int,
1445 SCTPCTL_CHUNKSCALE_DESC);
1446
1447 sysctl_add_oid(&sysctl_oid_top, "delayed_sack_time", CTLTYPE_INT|CTLFLAG_RW,
1448 &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sctp_sysctl_handle_int,
1449 SCTPCTL_DELAYED_SACK_TIME_DESC);
1450
1451 sysctl_add_oid(&sysctl_oid_top, "sack_freq", CTLTYPE_INT|CTLFLAG_RW,
1452 &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sctp_sysctl_handle_int,
1453 SCTPCTL_SACK_FREQ_DESC);
1454
1455 sysctl_add_oid(&sysctl_oid_top, "sys_resource", CTLTYPE_INT|CTLFLAG_RW,
1456 &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sctp_sysctl_handle_int,
1457 SCTPCTL_SYS_RESOURCE_DESC);
1458
1459 sysctl_add_oid(&sysctl_oid_top, "asoc_resource", CTLTYPE_INT|CTLFLAG_RW,
1460 &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sctp_sysctl_handle_int,
1461 SCTPCTL_ASOC_RESOURCE_DESC);
1462
1463 sysctl_add_oid(&sysctl_oid_top, "heartbeat_interval", CTLTYPE_INT|CTLFLAG_RW,
1464 &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sctp_sysctl_handle_int,
1465 SCTPCTL_HEARTBEAT_INTERVAL_DESC);
1466
1467 sysctl_add_oid(&sysctl_oid_top, "pmtu_raise_time", CTLTYPE_INT|CTLFLAG_RW,
1468 &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sctp_sysctl_handle_int,
1469 SCTPCTL_PMTU_RAISE_TIME_DESC);
1470
1471 sysctl_add_oid(&sysctl_oid_top, "shutdown_guard_time", CTLTYPE_INT|CTLFLAG_RW,
1472 &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sctp_sysctl_handle_int,
1473 SCTPCTL_SHUTDOWN_GUARD_TIME_DESC);
1474
1475 sysctl_add_oid(&sysctl_oid_top, "secret_lifetime", CTLTYPE_INT|CTLFLAG_RW,
1476 &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sctp_sysctl_handle_int,
1477 SCTPCTL_SECRET_LIFETIME_DESC);
1478
1479 sysctl_add_oid(&sysctl_oid_top, "rto_max", CTLTYPE_INT|CTLFLAG_RW,
1480 &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sctp_sysctl_handle_int,
1481 SCTPCTL_RTO_MAX_DESC);
1482
1483 sysctl_add_oid(&sysctl_oid_top, "rto_min", CTLTYPE_INT|CTLFLAG_RW,
1484 &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sctp_sysctl_handle_int,
1485 SCTPCTL_RTO_MIN_DESC);
1486
1487 sysctl_add_oid(&sysctl_oid_top, "rto_initial", CTLTYPE_INT|CTLFLAG_RW,
1488 &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sctp_sysctl_handle_int,
1489 SCTPCTL_RTO_INITIAL_DESC);
1490
1491 sysctl_add_oid(&sysctl_oid_top, "init_rto_max", CTLTYPE_INT|CTLFLAG_RW,
1492 &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sctp_sysctl_handle_int,
1493 SCTPCTL_INIT_RTO_MAX_DESC);
1494
1495 sysctl_add_oid(&sysctl_oid_top, "valid_cookie_life", CTLTYPE_INT|CTLFLAG_RW,
1496 &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sctp_sysctl_handle_int,
1497 SCTPCTL_VALID_COOKIE_LIFE_DESC);
1498
1499 sysctl_add_oid(&sysctl_oid_top, "init_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1500 &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sctp_sysctl_handle_int,
1501 SCTPCTL_INIT_RTX_MAX_DESC);
1502
1503 sysctl_add_oid(&sysctl_oid_top, "assoc_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1504 &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sctp_sysctl_handle_int,
1505 SCTPCTL_ASSOC_RTX_MAX_DESC);
1506
1507 sysctl_add_oid(&sysctl_oid_top, "path_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1508 &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sctp_sysctl_handle_int,
1509 SCTPCTL_PATH_RTX_MAX_DESC);
1510
1511 sysctl_add_oid(&sysctl_oid_top, "path_pf_threshold", CTLTYPE_INT|CTLFLAG_RW,
1512 &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sctp_sysctl_handle_int,
1513 SCTPCTL_PATH_PF_THRESHOLD_DESC);
1514
1515 sysctl_add_oid(&sysctl_oid_top, "add_more_on_output", CTLTYPE_INT|CTLFLAG_RW,
1516 &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sctp_sysctl_handle_int,
1517 SCTPCTL_ADD_MORE_ON_OUTPUT_DESC);
1518
1519 sysctl_add_oid(&sysctl_oid_top, "incoming_streams", CTLTYPE_INT|CTLFLAG_RW,
1520 &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sctp_sysctl_handle_int,
1521 SCTPCTL_INCOMING_STREAMS_DESC);
1522
1523 sysctl_add_oid(&sysctl_oid_top, "outgoing_streams", CTLTYPE_INT|CTLFLAG_RW,
1524 &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sctp_sysctl_handle_int,
1525 SCTPCTL_OUTGOING_STREAMS_DESC);
1526
1527 sysctl_add_oid(&sysctl_oid_top, "cmt_on_off", CTLTYPE_INT|CTLFLAG_RW,
1528 &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sctp_sysctl_handle_int,
1529 SCTPCTL_CMT_ON_OFF_DESC);
1530
1531 sysctl_add_oid(&sysctl_oid_top, "cmt_use_dac", CTLTYPE_INT|CTLFLAG_RW,
1532 &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sctp_sysctl_handle_int,
1533 SCTPCTL_CMT_USE_DAC_DESC);
1534
1535 sysctl_add_oid(&sysctl_oid_top, "cwnd_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1536 &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sctp_sysctl_handle_int,
1537 SCTPCTL_CWND_MAXBURST_DESC);
1538
1539 sysctl_add_oid(&sysctl_oid_top, "nat_friendly", CTLTYPE_INT|CTLFLAG_RW,
1540 &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sctp_sysctl_handle_int,
1541 SCTPCTL_NAT_FRIENDLY_DESC);
1542
1543 sysctl_add_oid(&sysctl_oid_top, "abc_l_var", CTLTYPE_INT|CTLFLAG_RW,
1544 &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sctp_sysctl_handle_int,
1545 SCTPCTL_ABC_L_VAR_DESC);
1546
1547 sysctl_add_oid(&sysctl_oid_top, "max_chained_mbufs", CTLTYPE_INT|CTLFLAG_RW,
1548 &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sctp_sysctl_handle_int,
1549 SCTPCTL_MAX_CHAINED_MBUFS_DESC);
1550
1551 sysctl_add_oid(&sysctl_oid_top, "do_sctp_drain", CTLTYPE_INT|CTLFLAG_RW,
1552 &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sctp_sysctl_handle_int,
1553 SCTPCTL_DO_SCTP_DRAIN_DESC);
1554
1555 sysctl_add_oid(&sysctl_oid_top, "hb_max_burst", CTLTYPE_INT|CTLFLAG_RW,
1556 &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sctp_sysctl_handle_int,
1557 SCTPCTL_HB_MAX_BURST_DESC);
1558
1559 sysctl_add_oid(&sysctl_oid_top, "abort_at_limit", CTLTYPE_INT|CTLFLAG_RW,
1560 &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sctp_sysctl_handle_int,
1561 SCTPCTL_ABORT_AT_LIMIT_DESC);
1562
1563 sysctl_add_oid(&sysctl_oid_top, "strict_data_order", CTLTYPE_INT|CTLFLAG_RW,
1564 &SCTP_BASE_SYSCTL(sctp_strict_data_order), 0, sctp_sysctl_handle_int,
1565 SCTPCTL_STRICT_DATA_ORDER_DESC);
1566
1567 sysctl_add_oid(&sysctl_oid_top, "min_residual", CTLTYPE_INT|CTLFLAG_RW,
1568 &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sctp_sysctl_handle_int,
1569 SCTPCTL_MIN_RESIDUAL_DESC);
1570
1571 sysctl_add_oid(&sysctl_oid_top, "max_retran_chunk", CTLTYPE_INT|CTLFLAG_RW,
1572 &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sctp_sysctl_handle_int,
1573 SCTPCTL_MAX_RETRAN_CHUNK_DESC);
1574
1575 sysctl_add_oid(&sysctl_oid_top, "log_level", CTLTYPE_INT|CTLFLAG_RW,
1576 &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sctp_sysctl_handle_int,
1577 SCTPCTL_LOGGING_LEVEL_DESC);
1578
1579 sysctl_add_oid(&sysctl_oid_top, "default_cc_module", CTLTYPE_INT|CTLFLAG_RW,
1580 &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sctp_sysctl_handle_int,
1581 SCTPCTL_DEFAULT_CC_MODULE_DESC);
1582
1583 sysctl_add_oid(&sysctl_oid_top, "default_ss_module", CTLTYPE_INT|CTLFLAG_RW,
1584 &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sctp_sysctl_handle_int,
1585 SCTPCTL_DEFAULT_SS_MODULE_DESC);
1586
1587 sysctl_add_oid(&sysctl_oid_top, "default_frag_interleave", CTLTYPE_INT|CTLFLAG_RW,
1588 &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sctp_sysctl_handle_int,
1589 SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC);
1590
1591 sysctl_add_oid(&sysctl_oid_top, "mobility_base", CTLTYPE_INT|CTLFLAG_RW,
1592 &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sctp_sysctl_handle_int,
1593 SCTPCTL_MOBILITY_BASE_DESC);
1594
1595 sysctl_add_oid(&sysctl_oid_top, "mobility_fasthandoff", CTLTYPE_INT|CTLFLAG_RW,
1596 &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sctp_sysctl_handle_int,
1597 SCTPCTL_MOBILITY_FASTHANDOFF_DESC);
1598
1599 #if defined(SCTP_LOCAL_TRACE_BUF)
1600 sysctl_add_oid(&sysctl_oid_top, "sctp_log", CTLTYPE_STRUCT|CTLFLAG_RD,
1601 SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log), NULL,
1602 "SCTP logging (struct sctp_log)");
1603
1604 sysctl_add_oid(&sysctl_oid_top, "clear_trace", CTLTYPE_INT|CTLFLAG_WR,
1605 NULL, 0, sctp_sysctl_handle_trace_log_clear,
1606 "Clear SCTP Logging buffer");
1607 #endif
1608
1609 sysctl_add_oid(&sysctl_oid_top, "udp_tunneling_port", CTLTYPE_INT|CTLFLAG_RW,
1610 &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sctp_sysctl_handle_udp_tunneling,
1611 SCTPCTL_UDP_TUNNELING_PORT_DESC);
1612
1613 sysctl_add_oid(&sysctl_oid_top, "enable_sack_immediately", CTLTYPE_INT|CTLFLAG_RW,
1614 &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sctp_sysctl_handle_int,
1615 SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC);
1616
1617 sysctl_add_oid(&sysctl_oid_top, "nat_friendly_init", CTLTYPE_INT|CTLFLAG_RW,
1618 &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sctp_sysctl_handle_int,
1619 SCTPCTL_NAT_FRIENDLY_DESC);
1620
1621 sysctl_add_oid(&sysctl_oid_top, "vtag_time_wait", CTLTYPE_INT|CTLFLAG_RW,
1622 &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sctp_sysctl_handle_int,
1623 SCTPCTL_TIME_WAIT_DESC);
1624
1625 sysctl_add_oid(&sysctl_oid_top, "buffer_splitting", CTLTYPE_INT|CTLFLAG_RW,
1626 &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sctp_sysctl_handle_int,
1627 SCTPCTL_BUFFER_SPLITTING_DESC);
1628
1629 sysctl_add_oid(&sysctl_oid_top, "initial_cwnd", CTLTYPE_INT|CTLFLAG_RW,
1630 &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sctp_sysctl_handle_int,
1631 SCTPCTL_INITIAL_CWND_DESC);
1632
1633 sysctl_add_oid(&sysctl_oid_top, "rttvar_bw", CTLTYPE_INT|CTLFLAG_RW,
1634 &SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sctp_sysctl_handle_int,
1635 SCTPCTL_RTTVAR_BW_DESC);
1636
1637 sysctl_add_oid(&sysctl_oid_top, "rttvar_rtt", CTLTYPE_INT|CTLFLAG_RW,
1638 &SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sctp_sysctl_handle_int,
1639 SCTPCTL_RTTVAR_RTT_DESC);
1640
1641 sysctl_add_oid(&sysctl_oid_top, "rttvar_eqret", CTLTYPE_INT|CTLFLAG_RW,
1642 &SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sctp_sysctl_handle_int,
1643 SCTPCTL_RTTVAR_EQRET_DESC);
1644
1645 sysctl_add_oid(&sysctl_oid_top, "rttvar_steady_step", CTLTYPE_INT|CTLFLAG_RW,
1646 &SCTP_BASE_SYSCTL(sctp_steady_step), 0, sctp_sysctl_handle_int,
1647 SCTPCTL_RTTVAR_STEADYS_DESC);
1648
1649 sysctl_add_oid(&sysctl_oid_top, "use_dcccecn", CTLTYPE_INT|CTLFLAG_RW,
1650 &SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sctp_sysctl_handle_int,
1651 SCTPCTL_RTTVAR_DCCCECN_DESC);
1652
1653 sysctl_add_oid(&sysctl_oid_top, "blackhole", CTLTYPE_INT|CTLFLAG_RW,
1654 &SCTP_BASE_SYSCTL(sctp_blackhole), 0, sctp_sysctl_handle_int,
1655 SCTPCTL_BLACKHOLE_DESC);
1656
1657 sysctl_add_oid(&sysctl_oid_top, "diag_info_code", CTLTYPE_INT|CTLFLAG_RW,
1658 &SCTP_BASE_SYSCTL(sctp_diag_info_code), 0, sctp_sysctl_handle_int,
1659 SCTPCTL_DIAG_INFO_CODE_DESC);
1660
1661 #ifdef SCTP_DEBUG
1662 sysctl_add_oid(&sysctl_oid_top, "debug", CTLTYPE_INT|CTLFLAG_RW,
1663 &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sctp_sysctl_handle_int,
1664 SCTPCTL_DEBUG_DESC);
1665 #endif
1666
1667 sysctl_add_oid(&sysctl_oid_top, "stats", CTLTYPE_STRUCT|CTLFLAG_RW,
1668 &SCTP_BASE_STATS, sizeof(SCTP_BASE_STATS), NULL,
1669 "SCTP statistics (struct sctp_stat)");
1670
1671 sysctl_add_oid(&sysctl_oid_top, "assoclist", CTLTYPE_STRUCT|CTLFLAG_RD,
1672 NULL, 0, sctp_assoclist,
1673 "List of active SCTP associations");
1674 }
1675 #endif
1676 #endif
1677