Coverage Report

Created: 2022-08-24 06:02

/src/usrsctp/usrsctplib/netinet/sctp_sysctl.c
Line
Count
Source
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("$FreeBSD$");
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
64
sctp_init_sysctls(void)
65
3
{
66
3
  SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT;
67
3
  SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT;
68
3
  SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT;
69
3
  SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT;
70
3
  SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT;
71
3
  SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT;
72
3
  SCTP_BASE_SYSCTL(sctp_auth_enable) = SCTPCTL_AUTH_ENABLE_DEFAULT;
73
3
  SCTP_BASE_SYSCTL(sctp_asconf_enable) = SCTPCTL_ASCONF_ENABLE_DEFAULT;
74
3
  SCTP_BASE_SYSCTL(sctp_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT;
75
3
  SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT;
76
3
  SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT;
77
3
#if !(defined(__FreeBSD__) && !defined(__Userspace__))
78
3
  SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback) = SCTPCTL_LOOPBACK_NOCSUM_DEFAULT;
79
3
#endif
80
3
  SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT;
81
3
  SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT;
82
3
  SCTP_BASE_SYSCTL(sctp_fr_max_burst_default) = SCTPCTL_FRMAXBURST_DEFAULT;
83
3
  SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = SCTPCTL_MAXCHUNKS_DEFAULT;
84
3
#if defined(__Userspace__)
85
3
  if (SCTP_BASE_SYSCTL(sctp_hashtblsize) == 0) {
86
3
    SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
87
3
  }
88
#else
89
  SCTP_BASE_SYSCTL(sctp_hashtblsize) = SCTPCTL_TCBHASHSIZE_DEFAULT;
90
#endif
91
3
#if defined(__Userspace__)
92
3
  if (SCTP_BASE_SYSCTL(sctp_pcbtblsize) == 0) {
93
3
    SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
94
3
  }
95
#else
96
  SCTP_BASE_SYSCTL(sctp_pcbtblsize) = SCTPCTL_PCBHASHSIZE_DEFAULT;
97
#endif
98
3
  SCTP_BASE_SYSCTL(sctp_min_split_point) = SCTPCTL_MIN_SPLIT_POINT_DEFAULT;
99
3
#if defined(__Userspace__)
100
3
  if (SCTP_BASE_SYSCTL(sctp_chunkscale) == 0) {
101
3
    SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
102
3
  }
103
#else
104
  SCTP_BASE_SYSCTL(sctp_chunkscale) = SCTPCTL_CHUNKSCALE_DEFAULT;
105
#endif
106
3
  SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default) = SCTPCTL_DELAYED_SACK_TIME_DEFAULT;
107
3
  SCTP_BASE_SYSCTL(sctp_sack_freq_default) = SCTPCTL_SACK_FREQ_DEFAULT;
108
3
  SCTP_BASE_SYSCTL(sctp_system_free_resc_limit) = SCTPCTL_SYS_RESOURCE_DEFAULT;
109
3
  SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit) = SCTPCTL_ASOC_RESOURCE_DEFAULT;
110
3
  SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default) = SCTPCTL_HEARTBEAT_INTERVAL_DEFAULT;
111
3
  SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default) = SCTPCTL_PMTU_RAISE_TIME_DEFAULT;
112
3
  SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default) = SCTPCTL_SHUTDOWN_GUARD_TIME_DEFAULT;
113
3
  SCTP_BASE_SYSCTL(sctp_secret_lifetime_default) = SCTPCTL_SECRET_LIFETIME_DEFAULT;
114
3
  SCTP_BASE_SYSCTL(sctp_rto_max_default) = SCTPCTL_RTO_MAX_DEFAULT;
115
3
  SCTP_BASE_SYSCTL(sctp_rto_min_default) = SCTPCTL_RTO_MIN_DEFAULT;
116
3
  SCTP_BASE_SYSCTL(sctp_rto_initial_default) = SCTPCTL_RTO_INITIAL_DEFAULT;
117
3
  SCTP_BASE_SYSCTL(sctp_init_rto_max_default) = SCTPCTL_INIT_RTO_MAX_DEFAULT;
118
3
  SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default) = SCTPCTL_VALID_COOKIE_LIFE_DEFAULT;
119
3
  SCTP_BASE_SYSCTL(sctp_init_rtx_max_default) = SCTPCTL_INIT_RTX_MAX_DEFAULT;
120
3
  SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default) = SCTPCTL_ASSOC_RTX_MAX_DEFAULT;
121
3
  SCTP_BASE_SYSCTL(sctp_path_rtx_max_default) = SCTPCTL_PATH_RTX_MAX_DEFAULT;
122
3
  SCTP_BASE_SYSCTL(sctp_path_pf_threshold) = SCTPCTL_PATH_PF_THRESHOLD_DEFAULT;
123
3
  SCTP_BASE_SYSCTL(sctp_add_more_threshold) = SCTPCTL_ADD_MORE_ON_OUTPUT_DEFAULT;
124
3
  SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default) = SCTPCTL_INCOMING_STREAMS_DEFAULT;
125
3
  SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default) = SCTPCTL_OUTGOING_STREAMS_DEFAULT;
126
3
  SCTP_BASE_SYSCTL(sctp_cmt_on_off) = SCTPCTL_CMT_ON_OFF_DEFAULT;
127
3
  SCTP_BASE_SYSCTL(sctp_cmt_use_dac) = SCTPCTL_CMT_USE_DAC_DEFAULT;
128
3
  SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst) = SCTPCTL_CWND_MAXBURST_DEFAULT;
129
3
  SCTP_BASE_SYSCTL(sctp_nat_friendly) = SCTPCTL_NAT_FRIENDLY_DEFAULT;
130
3
  SCTP_BASE_SYSCTL(sctp_L2_abc_variable) = SCTPCTL_ABC_L_VAR_DEFAULT;
131
3
  SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count) = SCTPCTL_MAX_CHAINED_MBUFS_DEFAULT;
132
3
  SCTP_BASE_SYSCTL(sctp_do_drain) = SCTPCTL_DO_SCTP_DRAIN_DEFAULT;
133
3
  SCTP_BASE_SYSCTL(sctp_hb_maxburst) = SCTPCTL_HB_MAX_BURST_DEFAULT;
134
3
  SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit) = SCTPCTL_ABORT_AT_LIMIT_DEFAULT;
135
3
  SCTP_BASE_SYSCTL(sctp_min_residual) = SCTPCTL_MIN_RESIDUAL_DEFAULT;
136
3
  SCTP_BASE_SYSCTL(sctp_max_retran_chunk) = SCTPCTL_MAX_RETRAN_CHUNK_DEFAULT;
137
3
  SCTP_BASE_SYSCTL(sctp_logging_level) = SCTPCTL_LOGGING_LEVEL_DEFAULT;
138
3
  SCTP_BASE_SYSCTL(sctp_default_cc_module) = SCTPCTL_DEFAULT_CC_MODULE_DEFAULT;
139
3
  SCTP_BASE_SYSCTL(sctp_default_ss_module) = SCTPCTL_DEFAULT_SS_MODULE_DEFAULT;
140
3
  SCTP_BASE_SYSCTL(sctp_default_frag_interleave) = SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DEFAULT;
141
3
  SCTP_BASE_SYSCTL(sctp_mobility_base) = SCTPCTL_MOBILITY_BASE_DEFAULT;
142
3
  SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff) = SCTPCTL_MOBILITY_FASTHANDOFF_DEFAULT;
143
3
  SCTP_BASE_SYSCTL(sctp_vtag_time_wait) = SCTPCTL_TIME_WAIT_DEFAULT;
144
3
  SCTP_BASE_SYSCTL(sctp_buffer_splitting) = SCTPCTL_BUFFER_SPLITTING_DEFAULT;
145
3
  SCTP_BASE_SYSCTL(sctp_initial_cwnd) = SCTPCTL_INITIAL_CWND_DEFAULT;
146
3
  SCTP_BASE_SYSCTL(sctp_rttvar_bw) = SCTPCTL_RTTVAR_BW_DEFAULT;
147
3
  SCTP_BASE_SYSCTL(sctp_rttvar_rtt) = SCTPCTL_RTTVAR_RTT_DEFAULT;
148
3
  SCTP_BASE_SYSCTL(sctp_rttvar_eqret) = SCTPCTL_RTTVAR_EQRET_DEFAULT;
149
3
  SCTP_BASE_SYSCTL(sctp_steady_step) = SCTPCTL_RTTVAR_STEADYS_DEFAULT;
150
3
  SCTP_BASE_SYSCTL(sctp_use_dccc_ecn) = SCTPCTL_RTTVAR_DCCCECN_DEFAULT;
151
3
  SCTP_BASE_SYSCTL(sctp_blackhole) = SCTPCTL_BLACKHOLE_DEFAULT;
152
3
  SCTP_BASE_SYSCTL(sctp_sendall_limit) = SCTPCTL_SENDALL_LIMIT_DEFAULT;
153
3
  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
3
  SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = SCTPCTL_UDP_TUNNELING_PORT_DEFAULT;
163
3
  SCTP_BASE_SYSCTL(sctp_enable_sack_immediately) = SCTPCTL_SACK_IMMEDIATELY_ENABLE_DEFAULT;
164
3
  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
3
}
178
#if defined(_WIN32) && !defined(__Userspace__)
179
180
void
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
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 multiple 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
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;
250
#ifdef INET
251
  int ipv4_local_scope;
252
  int ipv4_addr_legal;
253
#endif
254
#ifdef INET6
255
  int local_scope, site_scope;
256
  int ipv6_addr_legal;
257
#endif
258
#if defined(__Userspace__)
259
  int conn_addr_legal;
260
#endif
261
  struct sctp_vrf *vrf;
262
  struct xsctp_laddr xladdr;
263
  struct sctp_laddr *laddr;
264
  int error;
265
266
  /* Turn on all the appropriate scope */
267
  if (stcb != NULL) {
268
    /* use association specific values */
269
    loopback_scope = stcb->asoc.scope.loopback_scope;
270
#ifdef INET
271
    ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
272
    ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
273
#endif
274
#ifdef INET6
275
    local_scope = stcb->asoc.scope.local_scope;
276
    site_scope = stcb->asoc.scope.site_scope;
277
    ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
278
#endif
279
#if defined(__Userspace__)
280
    conn_addr_legal = stcb->asoc.scope.conn_addr_legal;
281
#endif
282
  } else {
283
    /* Use generic values for endpoints. */
284
    loopback_scope = 1;
285
#ifdef INET
286
    ipv4_local_scope = 1;
287
#endif
288
#ifdef INET6
289
    local_scope = 1;
290
    site_scope = 1;
291
#endif
292
    if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
293
#ifdef INET6
294
      ipv6_addr_legal = 1;
295
#endif
296
#ifdef INET
297
      if (SCTP_IPV6_V6ONLY(inp)) {
298
        ipv4_addr_legal = 0;
299
      } else {
300
        ipv4_addr_legal = 1;
301
      }
302
#endif
303
#if defined(__Userspace__)
304
      conn_addr_legal = 0;
305
#endif
306
    } else {
307
#ifdef INET6
308
      ipv6_addr_legal = 0;
309
#endif
310
#if defined(__Userspace__)
311
      if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_CONN) {
312
        conn_addr_legal = 1;
313
#ifdef INET
314
        ipv4_addr_legal = 0;
315
#endif
316
      } else {
317
        conn_addr_legal = 0;
318
#ifdef INET
319
        ipv4_addr_legal = 1;
320
#endif
321
      }
322
#else
323
#ifdef INET
324
      ipv4_addr_legal = 1;
325
#endif
326
#endif
327
    }
328
  }
329
330
  /* Neither Mac OS X nor FreeBSD support multiple routing functions. */
331
  if ((vrf = sctp_find_vrf(inp->def_vrf_id)) == NULL) {
332
    SCTP_INP_RUNLOCK(inp);
333
    SCTP_INP_INFO_RUNLOCK();
334
    return (ENOENT);
335
  }
336
  if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
337
    LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
338
      if ((loopback_scope == 0) && SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
339
        /* Skip loopback if loopback_scope not set. */
340
        continue;
341
      }
342
      LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
343
        if (stcb != NULL) {
344
          /*
345
           * Ignore if blacklisted at
346
           * association level.
347
           */
348
          if (sctp_is_addr_restricted(stcb, sctp_ifa)) {
349
            continue;
350
          }
351
        }
352
        switch (sctp_ifa->address.sa.sa_family) {
353
#ifdef INET
354
        case AF_INET:
355
          if (ipv4_addr_legal) {
356
            struct sockaddr_in *sin;
357
358
            sin = &sctp_ifa->address.sin;
359
            if (sin->sin_addr.s_addr == 0) {
360
              continue;
361
            }
362
#if defined(__FreeBSD__) && !defined(__Userspace__)
363
            if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
364
                                 &sin->sin_addr) != 0) {
365
              continue;
366
            }
367
#endif
368
            if ((ipv4_local_scope == 0) && (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
369
              continue;
370
            }
371
          } else {
372
            continue;
373
          }
374
          break;
375
#endif
376
#ifdef INET6
377
        case AF_INET6:
378
          if (ipv6_addr_legal) {
379
            struct sockaddr_in6 *sin6;
380
381
            sin6 = &sctp_ifa->address.sin6;
382
            if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
383
              continue;
384
            }
385
#if defined(__FreeBSD__) && !defined(__Userspace__)
386
            if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
387
                                 &sin6->sin6_addr) != 0) {
388
              continue;
389
            }
390
#endif
391
            if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
392
              if (local_scope == 0) {
393
                continue;
394
              }
395
            }
396
            if ((site_scope == 0) && (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
397
              continue;
398
            }
399
          } else {
400
            continue;
401
          }
402
          break;
403
#endif
404
#if defined(__Userspace__)
405
        case AF_CONN:
406
          if (!conn_addr_legal) {
407
            continue;
408
          }
409
          break;
410
#endif
411
        default:
412
          continue;
413
        }
414
        memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
415
        memcpy((void *)&xladdr.address, (const void *)&sctp_ifa->address, sizeof(union sctp_sockstore));
416
        SCTP_INP_RUNLOCK(inp);
417
        SCTP_INP_INFO_RUNLOCK();
418
        error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
419
        if (error != 0) {
420
          return (error);
421
        } else {
422
          SCTP_INP_INFO_RLOCK();
423
          SCTP_INP_RLOCK(inp);
424
        }
425
      }
426
    }
427
  } else {
428
    LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
429
      /* ignore if blacklisted at association level */
430
      if (stcb != NULL && sctp_is_addr_restricted(stcb, laddr->ifa))
431
        continue;
432
      memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
433
      memcpy((void *)&xladdr.address, (const void *)&laddr->ifa->address, sizeof(union sctp_sockstore));
434
      xladdr.start_time.tv_sec = (uint32_t)laddr->start_time.tv_sec;
435
      xladdr.start_time.tv_usec = (uint32_t)laddr->start_time.tv_usec;
436
      SCTP_INP_RUNLOCK(inp);
437
      SCTP_INP_INFO_RUNLOCK();
438
      error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
439
      if (error != 0) {
440
        return (error);
441
      } else {
442
        SCTP_INP_INFO_RLOCK();
443
        SCTP_INP_RLOCK(inp);
444
      }
445
    }
446
  }
447
  memset((void *)&xladdr, 0, sizeof(struct xsctp_laddr));
448
  xladdr.last = 1;
449
  SCTP_INP_RUNLOCK(inp);
450
  SCTP_INP_INFO_RUNLOCK();
451
  error = SYSCTL_OUT(req, &xladdr, sizeof(struct xsctp_laddr));
452
453
  if (error != 0) {
454
    return (error);
455
  } else {
456
    SCTP_INP_INFO_RLOCK();
457
    SCTP_INP_RLOCK(inp);
458
    return (0);
459
  }
460
}
461
462
/*
463
 * sysctl functions
464
 */
465
#if defined(__APPLE__) && !defined(__Userspace__)
466
static int
467
sctp_sysctl_handle_assoclist SYSCTL_HANDLER_ARGS
468
{
469
#pragma unused(oidp, arg1, arg2)
470
#else
471
static int
472
sctp_sysctl_handle_assoclist(SYSCTL_HANDLER_ARGS)
473
{
474
#endif
475
  unsigned int number_of_endpoints;
476
  unsigned int number_of_local_addresses;
477
  unsigned int number_of_associations;
478
  unsigned int number_of_remote_addresses;
479
  unsigned int n;
480
  int error;
481
  struct sctp_inpcb *inp;
482
  struct sctp_tcb *stcb;
483
  struct sctp_nets *net;
484
  struct xsctp_inpcb xinpcb;
485
  struct xsctp_tcb xstcb;
486
  struct xsctp_raddr xraddr;
487
  struct socket *so;
488
489
  number_of_endpoints = 0;
490
  number_of_local_addresses = 0;
491
  number_of_associations = 0;
492
  number_of_remote_addresses = 0;
493
494
  SCTP_INP_INFO_RLOCK();
495
#if defined(__APPLE__) && !defined(__Userspace__)
496
  if (req->oldptr == USER_ADDR_NULL) {
497
#else
498
  if (req->oldptr == NULL) {
499
#endif
500
    LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
501
      SCTP_INP_RLOCK(inp);
502
      number_of_endpoints++;
503
      number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
504
      LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
505
        number_of_associations++;
506
        number_of_local_addresses += sctp_sysctl_number_of_addresses(inp);
507
        TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
508
          number_of_remote_addresses++;
509
        }
510
      }
511
      SCTP_INP_RUNLOCK(inp);
512
    }
513
    SCTP_INP_INFO_RUNLOCK();
514
    n = (number_of_endpoints + 1) * sizeof(struct xsctp_inpcb) +
515
        (number_of_local_addresses + number_of_endpoints + number_of_associations) * sizeof(struct xsctp_laddr) +
516
        (number_of_associations + number_of_endpoints) * sizeof(struct xsctp_tcb) +
517
        (number_of_remote_addresses + number_of_associations) * sizeof(struct xsctp_raddr);
518
519
    /* request some more memory than needed */
520
#if !(defined(_WIN32) && !defined(__Userspace__))
521
    req->oldidx = (n + n / 8);
522
#else
523
    req->dataidx = (n + n / 8);
524
#endif
525
    return (0);
526
  }
527
#if defined(__APPLE__) && !defined(__Userspace__)
528
  if (req->newptr != USER_ADDR_NULL) {
529
#else
530
  if (req->newptr != NULL) {
531
#endif
532
    SCTP_INP_INFO_RUNLOCK();
533
    SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_SYSCTL, EPERM);
534
    return (EPERM);
535
  }
536
  memset(&xinpcb, 0, sizeof(xinpcb));
537
  memset(&xstcb, 0, sizeof(xstcb));
538
  memset(&xraddr, 0, sizeof(xraddr));
539
  LIST_FOREACH(inp, &SCTP_BASE_INFO(listhead), sctp_list) {
540
    SCTP_INP_RLOCK(inp);
541
    if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) {
542
      /* if its allgone it is being freed - skip it  */
543
      goto skip;
544
    }
545
    xinpcb.last = 0;
546
    xinpcb.local_port = ntohs(inp->sctp_lport);
547
    xinpcb.flags = inp->sctp_flags;
548
    xinpcb.features = inp->sctp_features;
549
    xinpcb.total_sends = inp->total_sends;
550
    xinpcb.total_recvs = inp->total_recvs;
551
    xinpcb.total_nospaces = inp->total_nospaces;
552
    xinpcb.fragmentation_point = inp->sctp_frag_point;
553
#if defined(__FreeBSD__) && !defined(__Userspace__)
554
    xinpcb.socket = (uintptr_t)inp->sctp_socket;
555
#else
556
    xinpcb.socket = inp->sctp_socket;
557
#endif
558
    so = inp->sctp_socket;
559
    if ((so == NULL) ||
560
        (!SCTP_IS_LISTENING(inp)) ||
561
        (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
562
      xinpcb.qlen = 0;
563
      xinpcb.maxqlen = 0;
564
    } else {
565
#if defined(__FreeBSD__) && !defined(__Userspace__)
566
      xinpcb.qlen = so->sol_qlen;
567
      xinpcb.qlen_old = so->sol_qlen > USHRT_MAX ?
568
          USHRT_MAX : (uint16_t) so->sol_qlen;
569
      xinpcb.maxqlen = so->sol_qlimit;
570
      xinpcb.maxqlen_old = so->sol_qlimit > USHRT_MAX ?
571
          USHRT_MAX : (uint16_t) so->sol_qlimit;
572
#else
573
      xinpcb.qlen = so->so_qlen;
574
      xinpcb.maxqlen = so->so_qlimit;
575
#endif
576
    }
577
    SCTP_INP_INCR_REF(inp);
578
    SCTP_INP_RUNLOCK(inp);
579
    SCTP_INP_INFO_RUNLOCK();
580
    error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
581
    if (error) {
582
      SCTP_INP_DECR_REF(inp);
583
      return (error);
584
    }
585
    SCTP_INP_INFO_RLOCK();
586
    SCTP_INP_RLOCK(inp);
587
    error = sctp_sysctl_copy_out_local_addresses(inp, NULL, req);
588
    if (error) {
589
      SCTP_INP_DECR_REF(inp);
590
      return (error);
591
    }
592
    LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
593
      SCTP_TCB_LOCK(stcb);
594
      atomic_add_int(&stcb->asoc.refcnt, 1);
595
      SCTP_TCB_UNLOCK(stcb);
596
      xstcb.last = 0;
597
      xstcb.local_port = ntohs(inp->sctp_lport);
598
      xstcb.remote_port = ntohs(stcb->rport);
599
      if (stcb->asoc.primary_destination != NULL)
600
        xstcb.primary_addr = stcb->asoc.primary_destination->ro._l_addr;
601
      xstcb.heartbeat_interval = stcb->asoc.heart_beat_delay;
602
      xstcb.state = (uint32_t)sctp_map_assoc_state(stcb->asoc.state);
603
      xstcb.assoc_id = sctp_get_associd(stcb);
604
      xstcb.peers_rwnd = stcb->asoc.peers_rwnd;
605
      xstcb.in_streams = stcb->asoc.streamincnt;
606
      xstcb.out_streams = stcb->asoc.streamoutcnt;
607
      xstcb.max_nr_retrans = stcb->asoc.overall_error_count;
608
      xstcb.primary_process = 0; /* not really supported yet */
609
      xstcb.T1_expireries = stcb->asoc.timoinit + stcb->asoc.timocookie;
610
      xstcb.T2_expireries = stcb->asoc.timoshutdown + stcb->asoc.timoshutdownack;
611
      xstcb.retransmitted_tsns = stcb->asoc.marked_retrans;
612
      xstcb.start_time.tv_sec = (uint32_t)stcb->asoc.start_time.tv_sec;
613
      xstcb.start_time.tv_usec = (uint32_t)stcb->asoc.start_time.tv_usec;
614
      xstcb.discontinuity_time.tv_sec = (uint32_t)stcb->asoc.discontinuity_time.tv_sec;
615
      xstcb.discontinuity_time.tv_usec = (uint32_t)stcb->asoc.discontinuity_time.tv_usec;
616
      xstcb.total_sends = stcb->total_sends;
617
      xstcb.total_recvs = stcb->total_recvs;
618
      xstcb.local_tag = stcb->asoc.my_vtag;
619
      xstcb.remote_tag = stcb->asoc.peer_vtag;
620
      xstcb.initial_tsn = stcb->asoc.init_seq_number;
621
      xstcb.highest_tsn = stcb->asoc.sending_seq - 1;
622
      xstcb.cumulative_tsn = stcb->asoc.last_acked_seq;
623
      xstcb.cumulative_tsn_ack = stcb->asoc.cumulative_tsn;
624
      xstcb.mtu = stcb->asoc.smallest_mtu;
625
      xstcb.refcnt = stcb->asoc.refcnt;
626
      SCTP_INP_RUNLOCK(inp);
627
      SCTP_INP_INFO_RUNLOCK();
628
      error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
629
      if (error) {
630
        SCTP_INP_DECR_REF(inp);
631
        atomic_subtract_int(&stcb->asoc.refcnt, 1);
632
        return (error);
633
      }
634
      SCTP_INP_INFO_RLOCK();
635
      SCTP_INP_RLOCK(inp);
636
      error = sctp_sysctl_copy_out_local_addresses(inp, stcb, req);
637
      if (error) {
638
        SCTP_INP_DECR_REF(inp);
639
        atomic_subtract_int(&stcb->asoc.refcnt, 1);
640
        return (error);
641
      }
642
      TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
643
        xraddr.last = 0;
644
        xraddr.address = net->ro._l_addr;
645
        xraddr.active = ((net->dest_state & SCTP_ADDR_REACHABLE) == SCTP_ADDR_REACHABLE);
646
        xraddr.confirmed = ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0);
647
        xraddr.heartbeat_enabled = ((net->dest_state & SCTP_ADDR_NOHB) == 0);
648
        xraddr.potentially_failed = ((net->dest_state & SCTP_ADDR_PF) == SCTP_ADDR_PF);
649
        xraddr.rto = net->RTO;
650
        xraddr.max_path_rtx = net->failure_threshold;
651
        xraddr.rtx = net->marked_retrans;
652
        xraddr.error_counter = net->error_count;
653
        xraddr.cwnd = net->cwnd;
654
        xraddr.flight_size = net->flight_size;
655
        xraddr.mtu = net->mtu;
656
        xraddr.rtt = net->rtt / 1000;
657
        xraddr.heartbeat_interval = net->heart_beat_delay;
658
        xraddr.ssthresh = net->ssthresh;
659
        xraddr.encaps_port = net->port;
660
        if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
661
          xraddr.state = SCTP_UNCONFIRMED;
662
        } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
663
          xraddr.state = SCTP_ACTIVE;
664
        } else {
665
          xraddr.state = SCTP_INACTIVE;
666
        }
667
        xraddr.start_time.tv_sec = (uint32_t)net->start_time.tv_sec;
668
        xraddr.start_time.tv_usec = (uint32_t)net->start_time.tv_usec;
669
        SCTP_INP_RUNLOCK(inp);
670
        SCTP_INP_INFO_RUNLOCK();
671
        error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
672
        if (error) {
673
          SCTP_INP_DECR_REF(inp);
674
          atomic_subtract_int(&stcb->asoc.refcnt, 1);
675
          return (error);
676
        }
677
        SCTP_INP_INFO_RLOCK();
678
        SCTP_INP_RLOCK(inp);
679
      }
680
      atomic_subtract_int(&stcb->asoc.refcnt, 1);
681
      memset((void *)&xraddr, 0, sizeof(struct xsctp_raddr));
682
      xraddr.last = 1;
683
      SCTP_INP_RUNLOCK(inp);
684
      SCTP_INP_INFO_RUNLOCK();
685
      error = SYSCTL_OUT(req, &xraddr, sizeof(struct xsctp_raddr));
686
      if (error) {
687
        SCTP_INP_DECR_REF(inp);
688
        return (error);
689
      }
690
      SCTP_INP_INFO_RLOCK();
691
      SCTP_INP_RLOCK(inp);
692
    }
693
    SCTP_INP_DECR_REF(inp);
694
    SCTP_INP_RUNLOCK(inp);
695
    SCTP_INP_INFO_RUNLOCK();
696
    memset((void *)&xstcb, 0, sizeof(struct xsctp_tcb));
697
    xstcb.last = 1;
698
    error = SYSCTL_OUT(req, &xstcb, sizeof(struct xsctp_tcb));
699
    if (error) {
700
      return (error);
701
    }
702
skip:
703
    SCTP_INP_INFO_RLOCK();
704
  }
705
  SCTP_INP_INFO_RUNLOCK();
706
707
  memset((void *)&xinpcb, 0, sizeof(struct xsctp_inpcb));
708
  xinpcb.last = 1;
709
  error = SYSCTL_OUT(req, &xinpcb, sizeof(struct xsctp_inpcb));
710
  return (error);
711
}
712
713
#if defined(__APPLE__) && !defined(__Userspace__)
714
static int
715
sctp_sysctl_handle_udp_tunneling SYSCTL_HANDLER_ARGS
716
{
717
#pragma unused(arg1, arg2)
718
#else
719
static int
720
sctp_sysctl_handle_udp_tunneling(SYSCTL_HANDLER_ARGS)
721
{
722
#endif
723
  int error;
724
  uint32_t old, new;
725
726
  SCTP_INP_INFO_RLOCK();
727
  old = SCTP_BASE_SYSCTL(sctp_udp_tunneling_port);
728
  SCTP_INP_INFO_RUNLOCK();
729
  new = old;
730
  error = sysctl_handle_int(oidp, &new, 0, req);
731
  if ((error == 0) &&
732
#if defined(__APPLE__) && !defined(__Userspace__)
733
      (req->newptr != USER_ADDR_NULL)) {
734
#else
735
      (req->newptr != NULL)) {
736
#endif
737
#if defined(_WIN32) && !defined(__Userspace__)
738
    SCTP_INP_INFO_WLOCK();
739
    sctp_over_udp_restart();
740
    SCTP_INP_INFO_WUNLOCK();
741
#else
742
#if (SCTPCTL_UDP_TUNNELING_PORT_MIN == 0)
743
    if (new > SCTPCTL_UDP_TUNNELING_PORT_MAX) {
744
#else
745
    if ((new < SCTPCTL_UDP_TUNNELING_PORT_MIN) ||
746
        (new > SCTPCTL_UDP_TUNNELING_PORT_MAX)) {
747
#endif
748
      error = EINVAL;
749
    } else {
750
      SCTP_INP_INFO_WLOCK();
751
      SCTP_BASE_SYSCTL(sctp_udp_tunneling_port) = new;
752
      if (old != 0) {
753
        sctp_over_udp_stop();
754
      }
755
      if (new != 0) {
756
        error = sctp_over_udp_start();
757
      }
758
      SCTP_INP_INFO_WUNLOCK();
759
    }
760
#endif
761
  }
762
  return (error);
763
}
764
#if defined(__APPLE__) && !defined(__Userspace__)
765
766
int sctp_is_vmware_interface(struct ifnet *);
767
768
static int
769
sctp_sysctl_handle_vmware_interfaces SYSCTL_HANDLER_ARGS
770
{
771
#pragma unused(arg1, arg2)
772
  int error;
773
  uint32_t old, new;
774
775
  old = SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces);
776
  new = old;
777
  error = sysctl_handle_int(oidp, &new, 0, req);
778
  if ((error == 0) && (req->newptr != USER_ADDR_NULL)) {
779
    if ((new < SCTPCTL_IGNORE_VMWARE_INTERFACES_MIN) ||
780
        (new > SCTPCTL_IGNORE_VMWARE_INTERFACES_MAX)) {
781
      error = EINVAL;
782
    } else {
783
      if ((old == 1) && (new == 0)) {
784
        sctp_add_or_del_interfaces(sctp_is_vmware_interface, 1);
785
      }
786
      if ((old == 0) && (new == 1)) {
787
        sctp_add_or_del_interfaces(sctp_is_vmware_interface, 0);
788
      }
789
      if (old != new) {
790
        SCTP_BASE_SYSCTL(sctp_ignore_vmware_interfaces) = new;
791
      }
792
    }
793
  }
794
  return (error);
795
}
796
#endif
797
798
#if defined(__APPLE__) && !defined(__Userspace__)
799
static int
800
sctp_sysctl_handle_auth SYSCTL_HANDLER_ARGS
801
{
802
#pragma unused(arg1, arg2)
803
#else
804
static int
805
sctp_sysctl_handle_auth(SYSCTL_HANDLER_ARGS)
806
{
807
#endif
808
  int error;
809
  uint32_t new;
810
811
  new = SCTP_BASE_SYSCTL(sctp_auth_enable);
812
  error = sysctl_handle_int(oidp, &new, 0, req);
813
  if ((error == 0) &&
814
#if defined(__APPLE__) && !defined(__Userspace__)
815
      (req->newptr != USER_ADDR_NULL)) {
816
#else
817
      (req->newptr != NULL)) {
818
#endif
819
#if (SCTPCTL_AUTH_ENABLE_MIN == 0)
820
    if ((new > SCTPCTL_AUTH_ENABLE_MAX) ||
821
        ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) {
822
#else
823
    if ((new < SCTPCTL_AUTH_ENABLE_MIN) ||
824
        (new > SCTPCTL_AUTH_ENABLE_MAX) ||
825
        ((new == 0) && (SCTP_BASE_SYSCTL(sctp_asconf_enable) == 1))) {
826
#endif
827
      error = EINVAL;
828
    } else {
829
      SCTP_BASE_SYSCTL(sctp_auth_enable) = new;
830
    }
831
  }
832
  return (error);
833
}
834
835
#if defined(__APPLE__) && !defined(__Userspace__)
836
static int
837
sctp_sysctl_handle_asconf SYSCTL_HANDLER_ARGS
838
{
839
#pragma unused(arg1, arg2)
840
#else
841
static int
842
sctp_sysctl_handle_asconf(SYSCTL_HANDLER_ARGS)
843
{
844
#endif
845
  int error;
846
  uint32_t new;
847
848
  new = SCTP_BASE_SYSCTL(sctp_asconf_enable);
849
  error = sysctl_handle_int(oidp, &new, 0, req);
850
  if ((error == 0) &&
851
#if defined(__APPLE__) && !defined(__Userspace__)
852
      (req->newptr != USER_ADDR_NULL)) {
853
#else
854
      (req->newptr != NULL)) {
855
#endif
856
#if (SCTPCTL_ASCONF_ENABLE_MIN == 0)
857
    if ((new > SCTPCTL_ASCONF_ENABLE_MAX) ||
858
        ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) {
859
#else
860
    if ((new < SCTPCTL_ASCONF_ENABLE_MIN) ||
861
        (new > SCTPCTL_ASCONF_ENABLE_MAX) ||
862
        ((new == 1) && (SCTP_BASE_SYSCTL(sctp_auth_enable) == 0))) {
863
#endif
864
      error = EINVAL;
865
    } else {
866
      SCTP_BASE_SYSCTL(sctp_asconf_enable) = new;
867
    }
868
  }
869
  return (error);
870
}
871
872
#if defined(__APPLE__) && !defined(__Userspace__)
873
static int
874
sctp_sysctl_handle_stats SYSCTL_HANDLER_ARGS
875
{
876
#pragma unused(oidp, arg1, arg2)
877
#else
878
static int
879
sctp_sysctl_handle_stats(SYSCTL_HANDLER_ARGS)
880
{
881
#endif
882
  int error;
883
#if defined(__FreeBSD__) && !defined(__Userspace__)
884
#if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
885
  struct sctpstat *sarry;
886
  struct sctpstat sb;
887
  int cpu;
888
#endif
889
  struct sctpstat sb_temp;
890
#endif
891
892
#if defined(__APPLE__) && !defined(__Userspace__)
893
  if ((req->newptr != USER_ADDR_NULL) &&
894
#else
895
  if ((req->newptr != NULL) &&
896
#endif
897
      (req->newlen != sizeof(struct sctpstat))) {
898
    return (EINVAL);
899
  }
900
#if defined(__FreeBSD__) && !defined(__Userspace__)
901
  memset(&sb_temp, 0, sizeof(struct sctpstat));
902
903
  if (req->newptr != NULL) {
904
    error = SYSCTL_IN(req, &sb_temp, sizeof(struct sctpstat));
905
    if (error != 0) {
906
      return (error);
907
    }
908
  }
909
#if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
910
  memset(&sb, 0, sizeof(sb));
911
  for (cpu = 0; cpu < mp_maxid; cpu++) {
912
    sarry = &SCTP_BASE_STATS[cpu];
913
    if (sarry->sctps_discontinuitytime.tv_sec > sb.sctps_discontinuitytime.tv_sec) {
914
      sb.sctps_discontinuitytime.tv_sec = sarry->sctps_discontinuitytime.tv_sec;
915
      sb.sctps_discontinuitytime.tv_usec = sarry->sctps_discontinuitytime.tv_usec;
916
    }
917
    sb.sctps_currestab += sarry->sctps_currestab;
918
    sb.sctps_activeestab += sarry->sctps_activeestab;
919
    sb.sctps_restartestab += sarry->sctps_restartestab;
920
    sb.sctps_collisionestab += sarry->sctps_collisionestab;
921
    sb.sctps_passiveestab += sarry->sctps_passiveestab;
922
    sb.sctps_aborted += sarry->sctps_aborted;
923
    sb.sctps_shutdown += sarry->sctps_shutdown;
924
    sb.sctps_outoftheblue += sarry->sctps_outoftheblue;
925
    sb.sctps_checksumerrors += sarry->sctps_checksumerrors;
926
    sb.sctps_outcontrolchunks += sarry->sctps_outcontrolchunks;
927
    sb.sctps_outorderchunks += sarry->sctps_outorderchunks;
928
    sb.sctps_outunorderchunks += sarry->sctps_outunorderchunks;
929
    sb.sctps_incontrolchunks += sarry->sctps_incontrolchunks;
930
    sb.sctps_inorderchunks += sarry->sctps_inorderchunks;
931
    sb.sctps_inunorderchunks += sarry->sctps_inunorderchunks;
932
    sb.sctps_fragusrmsgs += sarry->sctps_fragusrmsgs;
933
    sb.sctps_reasmusrmsgs += sarry->sctps_reasmusrmsgs;
934
    sb.sctps_outpackets += sarry->sctps_outpackets;
935
    sb.sctps_inpackets += sarry->sctps_inpackets;
936
    sb.sctps_recvpackets += sarry->sctps_recvpackets;
937
    sb.sctps_recvdatagrams += sarry->sctps_recvdatagrams;
938
    sb.sctps_recvpktwithdata += sarry->sctps_recvpktwithdata;
939
    sb.sctps_recvsacks += sarry->sctps_recvsacks;
940
    sb.sctps_recvdata += sarry->sctps_recvdata;
941
    sb.sctps_recvdupdata += sarry->sctps_recvdupdata;
942
    sb.sctps_recvheartbeat += sarry->sctps_recvheartbeat;
943
    sb.sctps_recvheartbeatack += sarry->sctps_recvheartbeatack;
944
    sb.sctps_recvecne += sarry->sctps_recvecne;
945
    sb.sctps_recvauth += sarry->sctps_recvauth;
946
    sb.sctps_recvauthmissing += sarry->sctps_recvauthmissing;
947
    sb.sctps_recvivalhmacid += sarry->sctps_recvivalhmacid;
948
    sb.sctps_recvivalkeyid += sarry->sctps_recvivalkeyid;
949
    sb.sctps_recvauthfailed += sarry->sctps_recvauthfailed;
950
    sb.sctps_recvexpress += sarry->sctps_recvexpress;
951
    sb.sctps_recvexpressm += sarry->sctps_recvexpressm;
952
    sb.sctps_recvswcrc += sarry->sctps_recvswcrc;
953
    sb.sctps_recvhwcrc += sarry->sctps_recvhwcrc;
954
    sb.sctps_sendpackets += sarry->sctps_sendpackets;
955
    sb.sctps_sendsacks += sarry->sctps_sendsacks;
956
    sb.sctps_senddata += sarry->sctps_senddata;
957
    sb.sctps_sendretransdata += sarry->sctps_sendretransdata;
958
    sb.sctps_sendfastretrans += sarry->sctps_sendfastretrans;
959
    sb.sctps_sendmultfastretrans += sarry->sctps_sendmultfastretrans;
960
    sb.sctps_sendheartbeat += sarry->sctps_sendheartbeat;
961
    sb.sctps_sendecne += sarry->sctps_sendecne;
962
    sb.sctps_sendauth += sarry->sctps_sendauth;
963
    sb.sctps_senderrors += sarry->sctps_senderrors;
964
    sb.sctps_sendswcrc += sarry->sctps_sendswcrc;
965
    sb.sctps_sendhwcrc += sarry->sctps_sendhwcrc;
966
    sb.sctps_pdrpfmbox += sarry->sctps_pdrpfmbox;
967
    sb.sctps_pdrpfehos += sarry->sctps_pdrpfehos;
968
    sb.sctps_pdrpmbda += sarry->sctps_pdrpmbda;
969
    sb.sctps_pdrpmbct += sarry->sctps_pdrpmbct;
970
    sb.sctps_pdrpbwrpt += sarry->sctps_pdrpbwrpt;
971
    sb.sctps_pdrpcrupt += sarry->sctps_pdrpcrupt;
972
    sb.sctps_pdrpnedat += sarry->sctps_pdrpnedat;
973
    sb.sctps_pdrppdbrk += sarry->sctps_pdrppdbrk;
974
    sb.sctps_pdrptsnnf += sarry->sctps_pdrptsnnf;
975
    sb.sctps_pdrpdnfnd += sarry->sctps_pdrpdnfnd;
976
    sb.sctps_pdrpdiwnp += sarry->sctps_pdrpdiwnp;
977
    sb.sctps_pdrpdizrw += sarry->sctps_pdrpdizrw;
978
    sb.sctps_pdrpbadd += sarry->sctps_pdrpbadd;
979
    sb.sctps_pdrpmark += sarry->sctps_pdrpmark;
980
    sb.sctps_timoiterator += sarry->sctps_timoiterator;
981
    sb.sctps_timodata += sarry->sctps_timodata;
982
    sb.sctps_timowindowprobe += sarry->sctps_timowindowprobe;
983
    sb.sctps_timoinit += sarry->sctps_timoinit;
984
    sb.sctps_timosack += sarry->sctps_timosack;
985
    sb.sctps_timoshutdown += sarry->sctps_timoshutdown;
986
    sb.sctps_timoheartbeat += sarry->sctps_timoheartbeat;
987
    sb.sctps_timocookie += sarry->sctps_timocookie;
988
    sb.sctps_timosecret += sarry->sctps_timosecret;
989
    sb.sctps_timopathmtu += sarry->sctps_timopathmtu;
990
    sb.sctps_timoshutdownack += sarry->sctps_timoshutdownack;
991
    sb.sctps_timoshutdownguard += sarry->sctps_timoshutdownguard;
992
    sb.sctps_timostrmrst += sarry->sctps_timostrmrst;
993
    sb.sctps_timoearlyfr += sarry->sctps_timoearlyfr;
994
    sb.sctps_timoasconf += sarry->sctps_timoasconf;
995
    sb.sctps_timodelprim += sarry->sctps_timodelprim;
996
    sb.sctps_timoautoclose += sarry->sctps_timoautoclose;
997
    sb.sctps_timoassockill += sarry->sctps_timoassockill;
998
    sb.sctps_timoinpkill += sarry->sctps_timoinpkill;
999
    sb.sctps_hdrops += sarry->sctps_hdrops;
1000
    sb.sctps_badsum += sarry->sctps_badsum;
1001
    sb.sctps_noport += sarry->sctps_noport;
1002
    sb.sctps_badvtag += sarry->sctps_badvtag;
1003
    sb.sctps_badsid += sarry->sctps_badsid;
1004
    sb.sctps_nomem += sarry->sctps_nomem;
1005
    sb.sctps_fastretransinrtt += sarry->sctps_fastretransinrtt;
1006
    sb.sctps_markedretrans += sarry->sctps_markedretrans;
1007
    sb.sctps_naglesent += sarry->sctps_naglesent;
1008
    sb.sctps_naglequeued += sarry->sctps_naglequeued;
1009
    sb.sctps_maxburstqueued += sarry->sctps_maxburstqueued;
1010
    sb.sctps_ifnomemqueued += sarry->sctps_ifnomemqueued;
1011
    sb.sctps_windowprobed += sarry->sctps_windowprobed;
1012
    sb.sctps_lowlevelerr += sarry->sctps_lowlevelerr;
1013
    sb.sctps_lowlevelerrusr += sarry->sctps_lowlevelerrusr;
1014
    sb.sctps_datadropchklmt += sarry->sctps_datadropchklmt;
1015
    sb.sctps_datadroprwnd += sarry->sctps_datadroprwnd;
1016
    sb.sctps_ecnereducedcwnd += sarry->sctps_ecnereducedcwnd;
1017
    sb.sctps_vtagexpress += sarry->sctps_vtagexpress;
1018
    sb.sctps_vtagbogus += sarry->sctps_vtagbogus;
1019
    sb.sctps_primary_randry += sarry->sctps_primary_randry;
1020
    sb.sctps_cmt_randry += sarry->sctps_cmt_randry;
1021
    sb.sctps_slowpath_sack += sarry->sctps_slowpath_sack;
1022
    sb.sctps_wu_sacks_sent += sarry->sctps_wu_sacks_sent;
1023
    sb.sctps_sends_with_flags += sarry->sctps_sends_with_flags;
1024
    sb.sctps_sends_with_unord += sarry->sctps_sends_with_unord;
1025
    sb.sctps_sends_with_eof += sarry->sctps_sends_with_eof;
1026
    sb.sctps_sends_with_abort += sarry->sctps_sends_with_abort;
1027
    sb.sctps_protocol_drain_calls += sarry->sctps_protocol_drain_calls;
1028
    sb.sctps_protocol_drains_done += sarry->sctps_protocol_drains_done;
1029
    sb.sctps_read_peeks += sarry->sctps_read_peeks;
1030
    sb.sctps_cached_chk += sarry->sctps_cached_chk;
1031
    sb.sctps_cached_strmoq += sarry->sctps_cached_strmoq;
1032
    sb.sctps_left_abandon += sarry->sctps_left_abandon;
1033
    sb.sctps_send_burst_avoid += sarry->sctps_send_burst_avoid;
1034
    sb.sctps_send_cwnd_avoid += sarry->sctps_send_cwnd_avoid;
1035
    sb.sctps_fwdtsn_map_over += sarry->sctps_fwdtsn_map_over;
1036
    if (req->newptr != NULL) {
1037
      memcpy(sarry, &sb_temp, sizeof(struct sctpstat));
1038
    }
1039
  }
1040
  error = SYSCTL_OUT(req, &sb, sizeof(struct sctpstat));
1041
#else
1042
  error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
1043
  if (error != 0) {
1044
    return (error);
1045
  }
1046
  if (req->newptr != NULL) {
1047
    memcpy(&SCTP_BASE_STATS, &sb_temp, sizeof(struct sctpstat));
1048
  }
1049
#endif
1050
#else
1051
  error = SYSCTL_OUT(req, &SCTP_BASE_STATS, sizeof(struct sctpstat));
1052
#endif
1053
  return (error);
1054
}
1055
1056
#if defined(SCTP_LOCAL_TRACE_BUF)
1057
#if defined(__APPLE__) && !defined(__Userspace__)
1058
static int
1059
sctp_sysctl_handle_trace_log SYSCTL_HANDLER_ARGS
1060
{
1061
#pragma unused(arg1, arg2, oidp)
1062
#else
1063
static int
1064
sctp_sysctl_handle_trace_log(SYSCTL_HANDLER_ARGS)
1065
{
1066
#endif
1067
  int error;
1068
1069
#if defined(_WIN32) && !defined(__Userspace__)
1070
  error = SYSCTL_OUT(req, SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log));
1071
#else
1072
  error = SYSCTL_OUT(req, &SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log));
1073
#endif
1074
  return (error);
1075
}
1076
1077
#if defined(__APPLE__) && !defined(__Userspace__)
1078
static int
1079
sctp_sysctl_handle_trace_log_clear SYSCTL_HANDLER_ARGS
1080
{
1081
#pragma unused(arg1, arg2, req, oidp)
1082
#else
1083
static int
1084
sctp_sysctl_handle_trace_log_clear(SYSCTL_HANDLER_ARGS)
1085
{
1086
#endif
1087
  int error = 0;
1088
#if defined(_WIN32) && !defined(__Userspace__)
1089
  int value = 0;
1090
1091
  if (req->new_data == NULL) {
1092
    return (error);
1093
  }
1094
  error = SYSCTL_IN(req, &value, sizeof(int));
1095
  if (error == 0 && value != 0 && SCTP_BASE_SYSCTL(sctp_log) != NULL) {
1096
    memset(SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1097
  }
1098
#else
1099
1100
  memset(&SCTP_BASE_SYSCTL(sctp_log), 0, sizeof(struct sctp_log));
1101
#endif
1102
  return (error);
1103
}
1104
#endif
1105
1106
#if (defined(__APPLE__) || defined(__FreeBSD__)) && !defined(__Userspace__)
1107
#if defined(__FreeBSD__)
1108
#define SCTP_UINT_SYSCTL(mib_name, var_name, prefix)      \
1109
  static int              \
1110
  sctp_sysctl_handle_##mib_name(SYSCTL_HANDLER_ARGS)    \
1111
  {               \
1112
    int error;            \
1113
    uint32_t new;           \
1114
                  \
1115
    new = SCTP_BASE_SYSCTL(var_name);     \
1116
    error = sysctl_handle_int(oidp, &new, 0, req);    \
1117
    if ((error == 0) && (req->newptr != NULL)) {    \
1118
      if ((new < prefix##_MIN) ||     \
1119
          (new > prefix##_MAX)) {     \
1120
        error = EINVAL;       \
1121
      } else {          \
1122
        SCTP_BASE_SYSCTL(var_name) = new; \
1123
      }           \
1124
    }             \
1125
    return (error);           \
1126
  }               \
1127
  SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name,     \
1128
                   CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW, NULL, 0, \
1129
                   sctp_sysctl_handle_##mib_name, "UI", prefix##_DESC);
1130
#else
1131
#define SCTP_UINT_SYSCTL(mib_name, var_name, prefix)      \
1132
  static int              \
1133
  sctp_sysctl_handle_##mib_name(struct sysctl_oid *oidp,    \
1134
                            void *arg1 __attribute__((unused)), \
1135
                            int arg2 __attribute__((unused)), \
1136
                            struct sysctl_req *req)   \
1137
  {               \
1138
    int error;            \
1139
    uint32_t new;           \
1140
                  \
1141
    new = SCTP_BASE_SYSCTL(var_name);     \
1142
    error = sysctl_handle_int(oidp, &new, 0, req);    \
1143
    if ((error == 0) && (req->newptr != USER_ADDR_NULL)) {  \
1144
      if ((new < prefix##_MIN) ||     \
1145
          (new > prefix##_MAX)) {     \
1146
        error = EINVAL;       \
1147
      } else {          \
1148
        SCTP_BASE_SYSCTL(var_name) = new; \
1149
      }           \
1150
    }             \
1151
    return (error);           \
1152
  }               \
1153
  SYSCTL_PROC(_net_inet_sctp, OID_AUTO, mib_name,     \
1154
              CTLTYPE_INT | CTLFLAG_RW, NULL, 0,      \
1155
              sctp_sysctl_handle_##mib_name, "I", prefix##_DESC);
1156
#define CTLTYPE_UINT CTLTYPE_INT
1157
#define CTLFLAG_VNET 0
1158
#endif
1159
1160
/*
1161
 * sysctl definitions
1162
 */
1163
1164
SCTP_UINT_SYSCTL(sendspace, sctp_sendspace, SCTPCTL_MAXDGRAM)
1165
SCTP_UINT_SYSCTL(recvspace, sctp_recvspace, SCTPCTL_RECVSPACE)
1166
SCTP_UINT_SYSCTL(auto_asconf, sctp_auto_asconf, SCTPCTL_AUTOASCONF)
1167
SCTP_UINT_SYSCTL(ecn_enable, sctp_ecn_enable, SCTPCTL_ECN_ENABLE)
1168
SCTP_UINT_SYSCTL(pr_enable, sctp_pr_enable, SCTPCTL_PR_ENABLE)
1169
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, auth_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1170
            NULL, 0, sctp_sysctl_handle_auth, "IU", SCTPCTL_AUTH_ENABLE_DESC);
1171
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, asconf_enable, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1172
            NULL, 0, sctp_sysctl_handle_asconf, "IU", SCTPCTL_ASCONF_ENABLE_DESC);
1173
SCTP_UINT_SYSCTL(reconfig_enable, sctp_reconfig_enable, SCTPCTL_RECONFIG_ENABLE)
1174
SCTP_UINT_SYSCTL(nrsack_enable, sctp_nrsack_enable, SCTPCTL_NRSACK_ENABLE)
1175
SCTP_UINT_SYSCTL(pktdrop_enable, sctp_pktdrop_enable, SCTPCTL_PKTDROP_ENABLE)
1176
#if defined(__APPLE__) && !defined(__Userspace__)
1177
SCTP_UINT_SYSCTL(loopback_nocsum, sctp_no_csum_on_loopback, SCTPCTL_LOOPBACK_NOCSUM)
1178
#endif
1179
SCTP_UINT_SYSCTL(peer_chkoh, sctp_peer_chunk_oh, SCTPCTL_PEER_CHKOH)
1180
SCTP_UINT_SYSCTL(maxburst, sctp_max_burst_default, SCTPCTL_MAXBURST)
1181
SCTP_UINT_SYSCTL(fr_maxburst, sctp_fr_max_burst_default, SCTPCTL_FRMAXBURST)
1182
SCTP_UINT_SYSCTL(maxchunks, sctp_max_chunks_on_queue, SCTPCTL_MAXCHUNKS)
1183
SCTP_UINT_SYSCTL(tcbhashsize, sctp_hashtblsize, SCTPCTL_TCBHASHSIZE)
1184
SCTP_UINT_SYSCTL(pcbhashsize, sctp_pcbtblsize, SCTPCTL_PCBHASHSIZE)
1185
SCTP_UINT_SYSCTL(min_split_point, sctp_min_split_point, SCTPCTL_MIN_SPLIT_POINT)
1186
SCTP_UINT_SYSCTL(chunkscale, sctp_chunkscale, SCTPCTL_CHUNKSCALE)
1187
SCTP_UINT_SYSCTL(delayed_sack_time, sctp_delayed_sack_time_default, SCTPCTL_DELAYED_SACK_TIME)
1188
SCTP_UINT_SYSCTL(sack_freq, sctp_sack_freq_default, SCTPCTL_SACK_FREQ)
1189
SCTP_UINT_SYSCTL(sys_resource, sctp_system_free_resc_limit, SCTPCTL_SYS_RESOURCE)
1190
SCTP_UINT_SYSCTL(asoc_resource, sctp_asoc_free_resc_limit, SCTPCTL_ASOC_RESOURCE)
1191
SCTP_UINT_SYSCTL(heartbeat_interval, sctp_heartbeat_interval_default, SCTPCTL_HEARTBEAT_INTERVAL)
1192
SCTP_UINT_SYSCTL(pmtu_raise_time, sctp_pmtu_raise_time_default, SCTPCTL_PMTU_RAISE_TIME)
1193
SCTP_UINT_SYSCTL(shutdown_guard_time, sctp_shutdown_guard_time_default, SCTPCTL_SHUTDOWN_GUARD_TIME)
1194
SCTP_UINT_SYSCTL(secret_lifetime, sctp_secret_lifetime_default, SCTPCTL_SECRET_LIFETIME)
1195
SCTP_UINT_SYSCTL(rto_max, sctp_rto_max_default, SCTPCTL_RTO_MAX)
1196
SCTP_UINT_SYSCTL(rto_min, sctp_rto_min_default, SCTPCTL_RTO_MIN)
1197
SCTP_UINT_SYSCTL(rto_initial, sctp_rto_initial_default, SCTPCTL_RTO_INITIAL)
1198
SCTP_UINT_SYSCTL(init_rto_max, sctp_init_rto_max_default, SCTPCTL_INIT_RTO_MAX)
1199
SCTP_UINT_SYSCTL(valid_cookie_life, sctp_valid_cookie_life_default, SCTPCTL_VALID_COOKIE_LIFE)
1200
SCTP_UINT_SYSCTL(init_rtx_max, sctp_init_rtx_max_default, SCTPCTL_INIT_RTX_MAX)
1201
SCTP_UINT_SYSCTL(assoc_rtx_max, sctp_assoc_rtx_max_default, SCTPCTL_ASSOC_RTX_MAX)
1202
SCTP_UINT_SYSCTL(path_rtx_max, sctp_path_rtx_max_default, SCTPCTL_PATH_RTX_MAX)
1203
SCTP_UINT_SYSCTL(path_pf_threshold, sctp_path_pf_threshold, SCTPCTL_PATH_PF_THRESHOLD)
1204
SCTP_UINT_SYSCTL(add_more_on_output, sctp_add_more_threshold, SCTPCTL_ADD_MORE_ON_OUTPUT)
1205
SCTP_UINT_SYSCTL(incoming_streams, sctp_nr_incoming_streams_default, SCTPCTL_INCOMING_STREAMS)
1206
SCTP_UINT_SYSCTL(outgoing_streams, sctp_nr_outgoing_streams_default, SCTPCTL_OUTGOING_STREAMS)
1207
SCTP_UINT_SYSCTL(cmt_on_off, sctp_cmt_on_off, SCTPCTL_CMT_ON_OFF)
1208
SCTP_UINT_SYSCTL(cmt_use_dac, sctp_cmt_use_dac, SCTPCTL_CMT_USE_DAC)
1209
SCTP_UINT_SYSCTL(cwnd_maxburst, sctp_use_cwnd_based_maxburst, SCTPCTL_CWND_MAXBURST)
1210
SCTP_UINT_SYSCTL(nat_friendly, sctp_nat_friendly, SCTPCTL_NAT_FRIENDLY)
1211
SCTP_UINT_SYSCTL(abc_l_var, sctp_L2_abc_variable, SCTPCTL_ABC_L_VAR)
1212
SCTP_UINT_SYSCTL(max_chained_mbufs, sctp_mbuf_threshold_count, SCTPCTL_MAX_CHAINED_MBUFS)
1213
SCTP_UINT_SYSCTL(do_sctp_drain, sctp_do_drain, SCTPCTL_DO_SCTP_DRAIN)
1214
SCTP_UINT_SYSCTL(hb_max_burst, sctp_hb_maxburst, SCTPCTL_HB_MAX_BURST)
1215
SCTP_UINT_SYSCTL(abort_at_limit, sctp_abort_if_one_2_one_hits_limit, SCTPCTL_ABORT_AT_LIMIT)
1216
SCTP_UINT_SYSCTL(min_residual, sctp_min_residual, SCTPCTL_MIN_RESIDUAL)
1217
SCTP_UINT_SYSCTL(max_retran_chunk, sctp_max_retran_chunk, SCTPCTL_MAX_RETRAN_CHUNK)
1218
SCTP_UINT_SYSCTL(log_level, sctp_logging_level, SCTPCTL_LOGGING_LEVEL)
1219
SCTP_UINT_SYSCTL(default_cc_module, sctp_default_cc_module, SCTPCTL_DEFAULT_CC_MODULE)
1220
SCTP_UINT_SYSCTL(default_ss_module, sctp_default_ss_module, SCTPCTL_DEFAULT_SS_MODULE)
1221
SCTP_UINT_SYSCTL(default_frag_interleave, sctp_default_frag_interleave, SCTPCTL_DEFAULT_FRAG_INTERLEAVE)
1222
SCTP_UINT_SYSCTL(mobility_base, sctp_mobility_base, SCTPCTL_MOBILITY_BASE)
1223
SCTP_UINT_SYSCTL(mobility_fasthandoff, sctp_mobility_fasthandoff, SCTPCTL_MOBILITY_FASTHANDOFF)
1224
#if defined(SCTP_LOCAL_TRACE_BUF)
1225
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, log, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RD,
1226
            NULL, 0, sctp_sysctl_handle_trace_log, "S,sctplog", "SCTP logging (struct sctp_log)");
1227
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, clear_trace, CTLFLAG_VNET|CTLTYPE_UINT | CTLFLAG_RW,
1228
            NULL, 0, sctp_sysctl_handle_trace_log_clear, "IU", "Clear SCTP Logging buffer");
1229
#endif
1230
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, udp_tunneling_port, CTLFLAG_VNET|CTLTYPE_UINT|CTLFLAG_RW,
1231
            NULL, 0, sctp_sysctl_handle_udp_tunneling, "IU", SCTPCTL_UDP_TUNNELING_PORT_DESC);
1232
SCTP_UINT_SYSCTL(enable_sack_immediately, sctp_enable_sack_immediately, SCTPCTL_SACK_IMMEDIATELY_ENABLE)
1233
SCTP_UINT_SYSCTL(nat_friendly_init, sctp_inits_include_nat_friendly, SCTPCTL_NAT_FRIENDLY_INITS)
1234
SCTP_UINT_SYSCTL(vtag_time_wait, sctp_vtag_time_wait, SCTPCTL_TIME_WAIT)
1235
SCTP_UINT_SYSCTL(buffer_splitting, sctp_buffer_splitting, SCTPCTL_BUFFER_SPLITTING)
1236
SCTP_UINT_SYSCTL(initial_cwnd, sctp_initial_cwnd, SCTPCTL_INITIAL_CWND)
1237
SCTP_UINT_SYSCTL(rttvar_bw, sctp_rttvar_bw, SCTPCTL_RTTVAR_BW)
1238
SCTP_UINT_SYSCTL(rttvar_rtt, sctp_rttvar_rtt, SCTPCTL_RTTVAR_RTT)
1239
SCTP_UINT_SYSCTL(rttvar_eqret, sctp_rttvar_eqret, SCTPCTL_RTTVAR_EQRET)
1240
SCTP_UINT_SYSCTL(rttvar_steady_step, sctp_steady_step, SCTPCTL_RTTVAR_STEADYS)
1241
SCTP_UINT_SYSCTL(use_dcccecn, sctp_use_dccc_ecn, SCTPCTL_RTTVAR_DCCCECN)
1242
SCTP_UINT_SYSCTL(blackhole, sctp_blackhole, SCTPCTL_BLACKHOLE)
1243
SCTP_UINT_SYSCTL(sendall_limit, sctp_sendall_limit, SCTPCTL_SENDALL_LIMIT)
1244
SCTP_UINT_SYSCTL(diag_info_code, sctp_diag_info_code, SCTPCTL_DIAG_INFO_CODE)
1245
#ifdef SCTP_DEBUG
1246
SCTP_UINT_SYSCTL(debug, sctp_debug_on, SCTPCTL_DEBUG)
1247
#endif
1248
#if defined(__APPLE__) && !defined(__Userspace__)
1249
SCTP_UINT_SYSCTL(main_timer, sctp_main_timer, SCTPCTL_MAIN_TIMER)
1250
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, ignore_vmware_interfaces, CTLTYPE_UINT|CTLFLAG_RW,
1251
            NULL, 0, sctp_sysctl_handle_vmware_interfaces, "IU", SCTPCTL_IGNORE_VMWARE_INTERFACES_DESC);
1252
SCTP_UINT_SYSCTL(addr_watchdog_limit, sctp_addr_watchdog_limit, SCTPCTL_ADDR_WATCHDOG_LIMIT)
1253
SCTP_UINT_SYSCTL(vtag_watchdog_limit, sctp_vtag_watchdog_limit, SCTPCTL_VTAG_WATCHDOG_LIMIT)
1254
#endif
1255
#if defined(__APPLE__) && !defined(__Userspace__)
1256
SCTP_UINT_SYSCTL(output_unlocked, sctp_output_unlocked, SCTPCTL_OUTPUT_UNLOCKED)
1257
#endif
1258
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, stats, CTLFLAG_VNET|CTLTYPE_STRUCT|CTLFLAG_RW,
1259
            NULL, 0, sctp_sysctl_handle_stats, "S,sctpstat", "SCTP statistics (struct sctp_stat)");
1260
SYSCTL_PROC(_net_inet_sctp, OID_AUTO, assoclist, CTLFLAG_VNET|CTLTYPE_OPAQUE|CTLFLAG_RD,
1261
            NULL, 0, sctp_sysctl_handle_assoclist, "S,xassoc", "List of active SCTP associations");
1262
1263
#elif defined(_WIN32) && !defined(__Userspace__)
1264
1265
#define RANGECHK(var, min, max) \
1266
  if ((var) < (min)) { (var) = (min); } \
1267
  else if ((var) > (max)) { (var) = (max); }
1268
1269
static int
1270
sctp_sysctl_handle_int(SYSCTL_HANDLER_ARGS)
1271
{
1272
  int error;
1273
1274
  error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
1275
  if (error == 0) {
1276
    RANGECHK(SCTP_BASE_SYSCTL(sctp_sendspace), SCTPCTL_MAXDGRAM_MIN, SCTPCTL_MAXDGRAM_MAX);
1277
    RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX);
1278
    RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
1279
    RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX);
1280
    RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX);
1281
    RANGECHK(SCTP_BASE_SYSCTL(sctp_pr_enable), SCTPCTL_PR_ENABLE_MIN, SCTPCTL_PR_ENABLE_MAX);
1282
    RANGECHK(SCTP_BASE_SYSCTL(sctp_reconfig_enable), SCTPCTL_RECONFIG_ENABLE_MIN, SCTPCTL_RECONFIG_ENABLE_MAX);
1283
    RANGECHK(SCTP_BASE_SYSCTL(sctp_nrsack_enable), SCTPCTL_NRSACK_ENABLE_MIN, SCTPCTL_NRSACK_ENABLE_MAX);
1284
    RANGECHK(SCTP_BASE_SYSCTL(sctp_pktdrop_enable), SCTPCTL_PKTDROP_ENABLE_MIN, SCTPCTL_PKTDROP_ENABLE_MAX);
1285
    RANGECHK(SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), SCTPCTL_LOOPBACK_NOCSUM_MIN, SCTPCTL_LOOPBACK_NOCSUM_MAX);
1286
    RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX);
1287
    RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX);
1288
    RANGECHK(SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), SCTPCTL_FRMAXBURST_MIN, SCTPCTL_FRMAXBURST_MAX);
1289
    RANGECHK(SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), SCTPCTL_MAXCHUNKS_MIN, SCTPCTL_MAXCHUNKS_MAX);
1290
    RANGECHK(SCTP_BASE_SYSCTL(sctp_hashtblsize), SCTPCTL_TCBHASHSIZE_MIN, SCTPCTL_TCBHASHSIZE_MAX);
1291
    RANGECHK(SCTP_BASE_SYSCTL(sctp_pcbtblsize), SCTPCTL_PCBHASHSIZE_MIN, SCTPCTL_PCBHASHSIZE_MAX);
1292
    RANGECHK(SCTP_BASE_SYSCTL(sctp_min_split_point), SCTPCTL_MIN_SPLIT_POINT_MIN, SCTPCTL_MIN_SPLIT_POINT_MAX);
1293
    RANGECHK(SCTP_BASE_SYSCTL(sctp_chunkscale), SCTPCTL_CHUNKSCALE_MIN, SCTPCTL_CHUNKSCALE_MAX);
1294
    RANGECHK(SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), SCTPCTL_DELAYED_SACK_TIME_MIN, SCTPCTL_DELAYED_SACK_TIME_MAX);
1295
    RANGECHK(SCTP_BASE_SYSCTL(sctp_sack_freq_default), SCTPCTL_SACK_FREQ_MIN, SCTPCTL_SACK_FREQ_MAX);
1296
    RANGECHK(SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), SCTPCTL_SYS_RESOURCE_MIN, SCTPCTL_SYS_RESOURCE_MAX);
1297
    RANGECHK(SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), SCTPCTL_ASOC_RESOURCE_MIN, SCTPCTL_ASOC_RESOURCE_MAX);
1298
    RANGECHK(SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), SCTPCTL_HEARTBEAT_INTERVAL_MIN, SCTPCTL_HEARTBEAT_INTERVAL_MAX);
1299
    RANGECHK(SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), SCTPCTL_PMTU_RAISE_TIME_MIN, SCTPCTL_PMTU_RAISE_TIME_MAX);
1300
    RANGECHK(SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), SCTPCTL_SHUTDOWN_GUARD_TIME_MIN, SCTPCTL_SHUTDOWN_GUARD_TIME_MAX);
1301
    RANGECHK(SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), SCTPCTL_SECRET_LIFETIME_MIN, SCTPCTL_SECRET_LIFETIME_MAX);
1302
    RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_max_default), SCTPCTL_RTO_MAX_MIN, SCTPCTL_RTO_MAX_MAX);
1303
    RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_min_default), SCTPCTL_RTO_MIN_MIN, SCTPCTL_RTO_MIN_MAX);
1304
    RANGECHK(SCTP_BASE_SYSCTL(sctp_rto_initial_default), SCTPCTL_RTO_INITIAL_MIN, SCTPCTL_RTO_INITIAL_MAX);
1305
    RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rto_max_default), SCTPCTL_INIT_RTO_MAX_MIN, SCTPCTL_INIT_RTO_MAX_MAX);
1306
    RANGECHK(SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), SCTPCTL_VALID_COOKIE_LIFE_MIN, SCTPCTL_VALID_COOKIE_LIFE_MAX);
1307
    RANGECHK(SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), SCTPCTL_INIT_RTX_MAX_MIN, SCTPCTL_INIT_RTX_MAX_MAX);
1308
    RANGECHK(SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), SCTPCTL_ASSOC_RTX_MAX_MIN, SCTPCTL_ASSOC_RTX_MAX_MAX);
1309
    RANGECHK(SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), SCTPCTL_PATH_RTX_MAX_MIN, SCTPCTL_PATH_RTX_MAX_MAX);
1310
    RANGECHK(SCTP_BASE_SYSCTL(sctp_path_pf_threshold), SCTPCTL_PATH_PF_THRESHOLD_MIN, SCTPCTL_PATH_PF_THRESHOLD_MAX);
1311
    RANGECHK(SCTP_BASE_SYSCTL(sctp_add_more_threshold), SCTPCTL_ADD_MORE_ON_OUTPUT_MIN, SCTPCTL_ADD_MORE_ON_OUTPUT_MAX);
1312
    RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), SCTPCTL_INCOMING_STREAMS_MIN, SCTPCTL_INCOMING_STREAMS_MAX);
1313
    RANGECHK(SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), SCTPCTL_OUTGOING_STREAMS_MIN, SCTPCTL_OUTGOING_STREAMS_MAX);
1314
    RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_on_off), SCTPCTL_CMT_ON_OFF_MIN, SCTPCTL_CMT_ON_OFF_MAX);
1315
    RANGECHK(SCTP_BASE_SYSCTL(sctp_cmt_use_dac), SCTPCTL_CMT_USE_DAC_MIN, SCTPCTL_CMT_USE_DAC_MAX);
1316
    RANGECHK(SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), SCTPCTL_CWND_MAXBURST_MIN, SCTPCTL_CWND_MAXBURST_MAX);
1317
    RANGECHK(SCTP_BASE_SYSCTL(sctp_nat_friendly), SCTPCTL_NAT_FRIENDLY_MIN, SCTPCTL_NAT_FRIENDLY_MAX);
1318
    RANGECHK(SCTP_BASE_SYSCTL(sctp_L2_abc_variable), SCTPCTL_ABC_L_VAR_MIN, SCTPCTL_ABC_L_VAR_MAX);
1319
    RANGECHK(SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), SCTPCTL_MAX_CHAINED_MBUFS_MIN, SCTPCTL_MAX_CHAINED_MBUFS_MAX);
1320
    RANGECHK(SCTP_BASE_SYSCTL(sctp_do_drain), SCTPCTL_DO_SCTP_DRAIN_MIN, SCTPCTL_DO_SCTP_DRAIN_MAX);
1321
    RANGECHK(SCTP_BASE_SYSCTL(sctp_hb_maxburst), SCTPCTL_HB_MAX_BURST_MIN, SCTPCTL_HB_MAX_BURST_MAX);
1322
    RANGECHK(SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), SCTPCTL_ABORT_AT_LIMIT_MIN, SCTPCTL_ABORT_AT_LIMIT_MAX);
1323
    RANGECHK(SCTP_BASE_SYSCTL(sctp_min_residual), SCTPCTL_MIN_RESIDUAL_MIN, SCTPCTL_MIN_RESIDUAL_MAX);
1324
    RANGECHK(SCTP_BASE_SYSCTL(sctp_max_retran_chunk), SCTPCTL_MAX_RETRAN_CHUNK_MIN, SCTPCTL_MAX_RETRAN_CHUNK_MAX);
1325
    RANGECHK(SCTP_BASE_SYSCTL(sctp_logging_level), SCTPCTL_LOGGING_LEVEL_MIN, SCTPCTL_LOGGING_LEVEL_MAX);
1326
    RANGECHK(SCTP_BASE_SYSCTL(sctp_default_cc_module), SCTPCTL_DEFAULT_CC_MODULE_MIN, SCTPCTL_DEFAULT_CC_MODULE_MAX);
1327
    RANGECHK(SCTP_BASE_SYSCTL(sctp_default_ss_module), SCTPCTL_DEFAULT_SS_MODULE_MIN, SCTPCTL_DEFAULT_SS_MODULE_MAX);
1328
    RANGECHK(SCTP_BASE_SYSCTL(sctp_default_frag_interleave), SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MIN, SCTPCTL_DEFAULT_FRAG_INTERLEAVE_MAX);
1329
    RANGECHK(SCTP_BASE_SYSCTL(sctp_vtag_time_wait), SCTPCTL_TIME_WAIT_MIN, SCTPCTL_TIME_WAIT_MAX);
1330
    RANGECHK(SCTP_BASE_SYSCTL(sctp_buffer_splitting), SCTPCTL_BUFFER_SPLITTING_MIN, SCTPCTL_BUFFER_SPLITTING_MAX);
1331
    RANGECHK(SCTP_BASE_SYSCTL(sctp_initial_cwnd), SCTPCTL_INITIAL_CWND_MIN, SCTPCTL_INITIAL_CWND_MAX);
1332
    RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_bw), SCTPCTL_RTTVAR_BW_MIN, SCTPCTL_RTTVAR_BW_MAX);
1333
    RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_rtt), SCTPCTL_RTTVAR_RTT_MIN, SCTPCTL_RTTVAR_RTT_MAX);
1334
    RANGECHK(SCTP_BASE_SYSCTL(sctp_rttvar_eqret), SCTPCTL_RTTVAR_EQRET_MIN, SCTPCTL_RTTVAR_EQRET_MAX);
1335
    RANGECHK(SCTP_BASE_SYSCTL(sctp_steady_step), SCTPCTL_RTTVAR_STEADYS_MIN, SCTPCTL_RTTVAR_STEADYS_MAX);
1336
    RANGECHK(SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), SCTPCTL_RTTVAR_DCCCECN_MIN, SCTPCTL_RTTVAR_DCCCECN_MAX);
1337
    RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_base), SCTPCTL_MOBILITY_BASE_MIN, SCTPCTL_MOBILITY_BASE_MAX);
1338
    RANGECHK(SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), SCTPCTL_MOBILITY_FASTHANDOFF_MIN, SCTPCTL_MOBILITY_FASTHANDOFF_MAX);
1339
    RANGECHK(SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), SCTPCTL_SACK_IMMEDIATELY_ENABLE_MIN, SCTPCTL_SACK_IMMEDIATELY_ENABLE_MAX);
1340
    RANGECHK(SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), SCTPCTL_NAT_FRIENDLY_INITS_MIN, SCTPCTL_NAT_FRIENDLY_INITS_MAX);
1341
    RANGECHK(SCTP_BASE_SYSCTL(sctp_blackhole), SCTPCTL_BLACKHOLE_MIN, SCTPCTL_BLACKHOLE_MAX);
1342
    RANGECHK(SCTP_BASE_SYSCTL(sctp_sendall_limit), SCTPCTL_SENDALL_LIMIT_MIN, SCTPCTL_SENDALL_LIMIT_MAX);
1343
    RANGECHK(SCTP_BASE_SYSCTL(sctp_diag_info_code), SCTPCTL_DIAG_INFO_CODE_MIN, SCTPCTL_DIAG_INFO_CODE_MAX);
1344
#ifdef SCTP_DEBUG
1345
    RANGECHK(SCTP_BASE_SYSCTL(sctp_debug_on), SCTPCTL_DEBUG_MIN, SCTPCTL_DEBUG_MAX);
1346
#endif
1347
  }
1348
  return (error);
1349
}
1350
1351
void
1352
sysctl_setup_sctp(void)
1353
{
1354
  sysctl_add_oid(&sysctl_oid_top, "sendspace", CTLTYPE_INT|CTLFLAG_RW,
1355
      &SCTP_BASE_SYSCTL(sctp_sendspace), 0, sctp_sysctl_handle_int,
1356
      SCTPCTL_MAXDGRAM_DESC);
1357
1358
  sysctl_add_oid(&sysctl_oid_top, "recvspace", CTLTYPE_INT|CTLFLAG_RW,
1359
      &SCTP_BASE_SYSCTL(sctp_recvspace), 0, sctp_sysctl_handle_int,
1360
      SCTPCTL_RECVSPACE_DESC);
1361
1362
  sysctl_add_oid(&sysctl_oid_top, "auto_asconf", CTLTYPE_INT|CTLFLAG_RW,
1363
      &SCTP_BASE_SYSCTL(sctp_auto_asconf), 0, sctp_sysctl_handle_int,
1364
      SCTPCTL_AUTOASCONF_DESC);
1365
1366
  sysctl_add_oid(&sysctl_oid_top, "ecn_enable", CTLTYPE_INT|CTLFLAG_RW,
1367
      &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sctp_sysctl_handle_int,
1368
      SCTPCTL_ECN_ENABLE_DESC);
1369
1370
  sysctl_add_oid(&sysctl_oid_top, "pr_enable", CTLTYPE_INT|CTLFLAG_RW,
1371
      &SCTP_BASE_SYSCTL(sctp_pr_enable), 0, sctp_sysctl_handle_int,
1372
      SCTPCTL_PR_ENABLE_DESC);
1373
1374
  sysctl_add_oid(&sysctl_oid_top, "auth_enable", CTLTYPE_INT|CTLFLAG_RW,
1375
      &SCTP_BASE_SYSCTL(sctp_auth_enable), 0, sctp_sysctl_handle_auth,
1376
      SCTPCTL_AUTH_ENABLE_DESC);
1377
1378
  sysctl_add_oid(&sysctl_oid_top, "asconf_enable", CTLTYPE_INT|CTLFLAG_RW,
1379
      &SCTP_BASE_SYSCTL(sctp_asconf_enable), 0, sctp_sysctl_handle_asconf,
1380
      SCTPCTL_ASCONF_ENABLE_DESC);
1381
1382
  sysctl_add_oid(&sysctl_oid_top, "reconfig_enable", CTLTYPE_INT|CTLFLAG_RW,
1383
      &SCTP_BASE_SYSCTL(sctp_reconfig_enable), 0, sctp_sysctl_handle_int,
1384
      SCTPCTL_RECONFIG_ENABLE_DESC);
1385
1386
  sysctl_add_oid(&sysctl_oid_top, "nrsack_enable", CTLTYPE_INT|CTLFLAG_RW,
1387
      &SCTP_BASE_SYSCTL(sctp_nrsack_enable), 0, sctp_sysctl_handle_int,
1388
      SCTPCTL_NRSACK_ENABLE_DESC);
1389
1390
  sysctl_add_oid(&sysctl_oid_top, "pktdrop_enable", CTLTYPE_INT|CTLFLAG_RW,
1391
      &SCTP_BASE_SYSCTL(sctp_pktdrop_enable), 0, sctp_sysctl_handle_int,
1392
      SCTPCTL_PKTDROP_ENABLE_DESC);
1393
1394
  sysctl_add_oid(&sysctl_oid_top, "loopback_nocsum", CTLTYPE_INT|CTLFLAG_RW,
1395
      &SCTP_BASE_SYSCTL(sctp_no_csum_on_loopback), 0, sctp_sysctl_handle_int,
1396
      SCTPCTL_LOOPBACK_NOCSUM_DESC);
1397
1398
  sysctl_add_oid(&sysctl_oid_top, "peer_chkoh", CTLTYPE_INT|CTLFLAG_RW,
1399
      &SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), 0, sctp_sysctl_handle_int,
1400
      SCTPCTL_PEER_CHKOH_DESC);
1401
1402
  sysctl_add_oid(&sysctl_oid_top, "maxburst", CTLTYPE_INT|CTLFLAG_RW,
1403
      &SCTP_BASE_SYSCTL(sctp_max_burst_default), 0, sctp_sysctl_handle_int,
1404
      SCTPCTL_MAXBURST_DESC);
1405
1406
  sysctl_add_oid(&sysctl_oid_top, "fr_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1407
      &SCTP_BASE_SYSCTL(sctp_fr_max_burst_default), 0, sctp_sysctl_handle_int,
1408
      SCTPCTL_FRMAXBURST_DESC);
1409
1410
  sysctl_add_oid(&sysctl_oid_top, "maxchunks", CTLTYPE_INT|CTLFLAG_RW,
1411
      &SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue), 0, sctp_sysctl_handle_int,
1412
      SCTPCTL_MAXCHUNKS_DESC);
1413
1414
  sysctl_add_oid(&sysctl_oid_top, "tcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1415
      &SCTP_BASE_SYSCTL(sctp_hashtblsize), 0, sctp_sysctl_handle_int,
1416
      SCTPCTL_TCBHASHSIZE_DESC);
1417
1418
  sysctl_add_oid(&sysctl_oid_top, "pcbhashsize", CTLTYPE_INT|CTLFLAG_RW,
1419
      &SCTP_BASE_SYSCTL(sctp_pcbtblsize), 0, sctp_sysctl_handle_int,
1420
      SCTPCTL_PCBHASHSIZE_DESC);
1421
1422
  sysctl_add_oid(&sysctl_oid_top, "min_split_point", CTLTYPE_INT|CTLFLAG_RW,
1423
      &SCTP_BASE_SYSCTL(sctp_min_split_point), 0, sctp_sysctl_handle_int,
1424
      SCTPCTL_MIN_SPLIT_POINT_DESC);
1425
1426
  sysctl_add_oid(&sysctl_oid_top, "chunkscale", CTLTYPE_INT|CTLFLAG_RW,
1427
      &SCTP_BASE_SYSCTL(sctp_chunkscale), 0, sctp_sysctl_handle_int,
1428
      SCTPCTL_CHUNKSCALE_DESC);
1429
1430
  sysctl_add_oid(&sysctl_oid_top, "delayed_sack_time", CTLTYPE_INT|CTLFLAG_RW,
1431
      &SCTP_BASE_SYSCTL(sctp_delayed_sack_time_default), 0, sctp_sysctl_handle_int,
1432
      SCTPCTL_DELAYED_SACK_TIME_DESC);
1433
1434
  sysctl_add_oid(&sysctl_oid_top, "sack_freq", CTLTYPE_INT|CTLFLAG_RW,
1435
      &SCTP_BASE_SYSCTL(sctp_sack_freq_default), 0, sctp_sysctl_handle_int,
1436
      SCTPCTL_SACK_FREQ_DESC);
1437
1438
  sysctl_add_oid(&sysctl_oid_top, "sys_resource", CTLTYPE_INT|CTLFLAG_RW,
1439
      &SCTP_BASE_SYSCTL(sctp_system_free_resc_limit), 0, sctp_sysctl_handle_int,
1440
      SCTPCTL_SYS_RESOURCE_DESC);
1441
1442
  sysctl_add_oid(&sysctl_oid_top, "asoc_resource", CTLTYPE_INT|CTLFLAG_RW,
1443
      &SCTP_BASE_SYSCTL(sctp_asoc_free_resc_limit), 0, sctp_sysctl_handle_int,
1444
      SCTPCTL_ASOC_RESOURCE_DESC);
1445
1446
  sysctl_add_oid(&sysctl_oid_top, "heartbeat_interval", CTLTYPE_INT|CTLFLAG_RW,
1447
      &SCTP_BASE_SYSCTL(sctp_heartbeat_interval_default), 0, sctp_sysctl_handle_int,
1448
      SCTPCTL_HEARTBEAT_INTERVAL_DESC);
1449
1450
  sysctl_add_oid(&sysctl_oid_top, "pmtu_raise_time", CTLTYPE_INT|CTLFLAG_RW,
1451
      &SCTP_BASE_SYSCTL(sctp_pmtu_raise_time_default), 0, sctp_sysctl_handle_int,
1452
      SCTPCTL_PMTU_RAISE_TIME_DESC);
1453
1454
  sysctl_add_oid(&sysctl_oid_top, "shutdown_guard_time", CTLTYPE_INT|CTLFLAG_RW,
1455
      &SCTP_BASE_SYSCTL(sctp_shutdown_guard_time_default), 0, sctp_sysctl_handle_int,
1456
      SCTPCTL_SHUTDOWN_GUARD_TIME_DESC);
1457
1458
  sysctl_add_oid(&sysctl_oid_top, "secret_lifetime", CTLTYPE_INT|CTLFLAG_RW,
1459
      &SCTP_BASE_SYSCTL(sctp_secret_lifetime_default), 0, sctp_sysctl_handle_int,
1460
      SCTPCTL_SECRET_LIFETIME_DESC);
1461
1462
  sysctl_add_oid(&sysctl_oid_top, "rto_max", CTLTYPE_INT|CTLFLAG_RW,
1463
      &SCTP_BASE_SYSCTL(sctp_rto_max_default), 0, sctp_sysctl_handle_int,
1464
      SCTPCTL_RTO_MAX_DESC);
1465
1466
  sysctl_add_oid(&sysctl_oid_top, "rto_min", CTLTYPE_INT|CTLFLAG_RW,
1467
      &SCTP_BASE_SYSCTL(sctp_rto_min_default), 0, sctp_sysctl_handle_int,
1468
      SCTPCTL_RTO_MIN_DESC);
1469
1470
  sysctl_add_oid(&sysctl_oid_top, "rto_initial", CTLTYPE_INT|CTLFLAG_RW,
1471
      &SCTP_BASE_SYSCTL(sctp_rto_initial_default), 0, sctp_sysctl_handle_int,
1472
      SCTPCTL_RTO_INITIAL_DESC);
1473
1474
  sysctl_add_oid(&sysctl_oid_top, "init_rto_max", CTLTYPE_INT|CTLFLAG_RW,
1475
      &SCTP_BASE_SYSCTL(sctp_init_rto_max_default), 0, sctp_sysctl_handle_int,
1476
      SCTPCTL_INIT_RTO_MAX_DESC);
1477
1478
  sysctl_add_oid(&sysctl_oid_top, "valid_cookie_life", CTLTYPE_INT|CTLFLAG_RW,
1479
      &SCTP_BASE_SYSCTL(sctp_valid_cookie_life_default), 0, sctp_sysctl_handle_int,
1480
      SCTPCTL_VALID_COOKIE_LIFE_DESC);
1481
1482
  sysctl_add_oid(&sysctl_oid_top, "init_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1483
      &SCTP_BASE_SYSCTL(sctp_init_rtx_max_default), 0, sctp_sysctl_handle_int,
1484
      SCTPCTL_INIT_RTX_MAX_DESC);
1485
1486
  sysctl_add_oid(&sysctl_oid_top, "assoc_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1487
      &SCTP_BASE_SYSCTL(sctp_assoc_rtx_max_default), 0, sctp_sysctl_handle_int,
1488
      SCTPCTL_ASSOC_RTX_MAX_DESC);
1489
1490
  sysctl_add_oid(&sysctl_oid_top, "path_rtx_max", CTLTYPE_INT|CTLFLAG_RW,
1491
      &SCTP_BASE_SYSCTL(sctp_path_rtx_max_default), 0, sctp_sysctl_handle_int,
1492
      SCTPCTL_PATH_RTX_MAX_DESC);
1493
1494
  sysctl_add_oid(&sysctl_oid_top, "path_pf_threshold", CTLTYPE_INT|CTLFLAG_RW,
1495
      &SCTP_BASE_SYSCTL(sctp_path_pf_threshold), 0, sctp_sysctl_handle_int,
1496
      SCTPCTL_PATH_PF_THRESHOLD_DESC);
1497
1498
  sysctl_add_oid(&sysctl_oid_top, "add_more_on_output", CTLTYPE_INT|CTLFLAG_RW,
1499
      &SCTP_BASE_SYSCTL(sctp_add_more_threshold), 0, sctp_sysctl_handle_int,
1500
      SCTPCTL_ADD_MORE_ON_OUTPUT_DESC);
1501
1502
  sysctl_add_oid(&sysctl_oid_top, "incoming_streams", CTLTYPE_INT|CTLFLAG_RW,
1503
      &SCTP_BASE_SYSCTL(sctp_nr_incoming_streams_default), 0, sctp_sysctl_handle_int,
1504
      SCTPCTL_INCOMING_STREAMS_DESC);
1505
1506
  sysctl_add_oid(&sysctl_oid_top, "outgoing_streams", CTLTYPE_INT|CTLFLAG_RW,
1507
      &SCTP_BASE_SYSCTL(sctp_nr_outgoing_streams_default), 0, sctp_sysctl_handle_int,
1508
      SCTPCTL_OUTGOING_STREAMS_DESC);
1509
1510
  sysctl_add_oid(&sysctl_oid_top, "cmt_on_off", CTLTYPE_INT|CTLFLAG_RW,
1511
      &SCTP_BASE_SYSCTL(sctp_cmt_on_off), 0, sctp_sysctl_handle_int,
1512
      SCTPCTL_CMT_ON_OFF_DESC);
1513
1514
  sysctl_add_oid(&sysctl_oid_top, "cmt_use_dac", CTLTYPE_INT|CTLFLAG_RW,
1515
      &SCTP_BASE_SYSCTL(sctp_cmt_use_dac), 0, sctp_sysctl_handle_int,
1516
      SCTPCTL_CMT_USE_DAC_DESC);
1517
1518
  sysctl_add_oid(&sysctl_oid_top, "cwnd_maxburst", CTLTYPE_INT|CTLFLAG_RW,
1519
      &SCTP_BASE_SYSCTL(sctp_use_cwnd_based_maxburst), 0, sctp_sysctl_handle_int,
1520
      SCTPCTL_CWND_MAXBURST_DESC);
1521
1522
  sysctl_add_oid(&sysctl_oid_top, "nat_friendly", CTLTYPE_INT|CTLFLAG_RW,
1523
      &SCTP_BASE_SYSCTL(sctp_nat_friendly), 0, sctp_sysctl_handle_int,
1524
      SCTPCTL_NAT_FRIENDLY_DESC);
1525
1526
  sysctl_add_oid(&sysctl_oid_top, "abc_l_var", CTLTYPE_INT|CTLFLAG_RW,
1527
      &SCTP_BASE_SYSCTL(sctp_L2_abc_variable), 0, sctp_sysctl_handle_int,
1528
      SCTPCTL_ABC_L_VAR_DESC);
1529
1530
  sysctl_add_oid(&sysctl_oid_top, "max_chained_mbufs", CTLTYPE_INT|CTLFLAG_RW,
1531
      &SCTP_BASE_SYSCTL(sctp_mbuf_threshold_count), 0, sctp_sysctl_handle_int,
1532
      SCTPCTL_MAX_CHAINED_MBUFS_DESC);
1533
1534
  sysctl_add_oid(&sysctl_oid_top, "do_sctp_drain", CTLTYPE_INT|CTLFLAG_RW,
1535
      &SCTP_BASE_SYSCTL(sctp_do_drain), 0, sctp_sysctl_handle_int,
1536
      SCTPCTL_DO_SCTP_DRAIN_DESC);
1537
1538
  sysctl_add_oid(&sysctl_oid_top, "hb_max_burst", CTLTYPE_INT|CTLFLAG_RW,
1539
      &SCTP_BASE_SYSCTL(sctp_hb_maxburst), 0, sctp_sysctl_handle_int,
1540
      SCTPCTL_HB_MAX_BURST_DESC);
1541
1542
  sysctl_add_oid(&sysctl_oid_top, "abort_at_limit", CTLTYPE_INT|CTLFLAG_RW,
1543
      &SCTP_BASE_SYSCTL(sctp_abort_if_one_2_one_hits_limit), 0, sctp_sysctl_handle_int,
1544
      SCTPCTL_ABORT_AT_LIMIT_DESC);
1545
1546
  sysctl_add_oid(&sysctl_oid_top, "min_residual", CTLTYPE_INT|CTLFLAG_RW,
1547
      &SCTP_BASE_SYSCTL(sctp_min_residual), 0, sctp_sysctl_handle_int,
1548
      SCTPCTL_MIN_RESIDUAL_DESC);
1549
1550
  sysctl_add_oid(&sysctl_oid_top, "max_retran_chunk", CTLTYPE_INT|CTLFLAG_RW,
1551
      &SCTP_BASE_SYSCTL(sctp_max_retran_chunk), 0, sctp_sysctl_handle_int,
1552
      SCTPCTL_MAX_RETRAN_CHUNK_DESC);
1553
1554
  sysctl_add_oid(&sysctl_oid_top, "log_level", CTLTYPE_INT|CTLFLAG_RW,
1555
      &SCTP_BASE_SYSCTL(sctp_logging_level), 0, sctp_sysctl_handle_int,
1556
      SCTPCTL_LOGGING_LEVEL_DESC);
1557
1558
  sysctl_add_oid(&sysctl_oid_top, "default_cc_module", CTLTYPE_INT|CTLFLAG_RW,
1559
      &SCTP_BASE_SYSCTL(sctp_default_cc_module), 0, sctp_sysctl_handle_int,
1560
      SCTPCTL_DEFAULT_CC_MODULE_DESC);
1561
1562
  sysctl_add_oid(&sysctl_oid_top, "default_ss_module", CTLTYPE_INT|CTLFLAG_RW,
1563
      &SCTP_BASE_SYSCTL(sctp_default_ss_module), 0, sctp_sysctl_handle_int,
1564
      SCTPCTL_DEFAULT_SS_MODULE_DESC);
1565
1566
  sysctl_add_oid(&sysctl_oid_top, "default_frag_interleave", CTLTYPE_INT|CTLFLAG_RW,
1567
      &SCTP_BASE_SYSCTL(sctp_default_frag_interleave), 0, sctp_sysctl_handle_int,
1568
      SCTPCTL_DEFAULT_FRAG_INTERLEAVE_DESC);
1569
1570
  sysctl_add_oid(&sysctl_oid_top, "mobility_base", CTLTYPE_INT|CTLFLAG_RW,
1571
      &SCTP_BASE_SYSCTL(sctp_mobility_base), 0, sctp_sysctl_handle_int,
1572
      SCTPCTL_MOBILITY_BASE_DESC);
1573
1574
  sysctl_add_oid(&sysctl_oid_top, "mobility_fasthandoff", CTLTYPE_INT|CTLFLAG_RW,
1575
      &SCTP_BASE_SYSCTL(sctp_mobility_fasthandoff), 0, sctp_sysctl_handle_int,
1576
      SCTPCTL_MOBILITY_FASTHANDOFF_DESC);
1577
1578
#if defined(SCTP_LOCAL_TRACE_BUF)
1579
  sysctl_add_oid(&sysctl_oid_top, "sctp_log", CTLTYPE_STRUCT|CTLFLAG_RD,
1580
      SCTP_BASE_SYSCTL(sctp_log), sizeof(struct sctp_log), NULL,
1581
      "SCTP logging (struct sctp_log)");
1582
1583
  sysctl_add_oid(&sysctl_oid_top, "clear_trace", CTLTYPE_INT|CTLFLAG_WR,
1584
      NULL, 0, sctp_sysctl_handle_trace_log_clear,
1585
      "Clear SCTP Logging buffer");
1586
#endif
1587
1588
  sysctl_add_oid(&sysctl_oid_top, "udp_tunneling_port", CTLTYPE_INT|CTLFLAG_RW,
1589
      &SCTP_BASE_SYSCTL(sctp_udp_tunneling_port), 0, sctp_sysctl_handle_udp_tunneling,
1590
      SCTPCTL_UDP_TUNNELING_PORT_DESC);
1591
1592
  sysctl_add_oid(&sysctl_oid_top, "enable_sack_immediately", CTLTYPE_INT|CTLFLAG_RW,
1593
      &SCTP_BASE_SYSCTL(sctp_enable_sack_immediately), 0, sctp_sysctl_handle_int,
1594
      SCTPCTL_SACK_IMMEDIATELY_ENABLE_DESC);
1595
1596
  sysctl_add_oid(&sysctl_oid_top, "nat_friendly_init", CTLTYPE_INT|CTLFLAG_RW,
1597
      &SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly), 0, sctp_sysctl_handle_int,
1598
      SCTPCTL_NAT_FRIENDLY_DESC);
1599
1600
  sysctl_add_oid(&sysctl_oid_top, "vtag_time_wait", CTLTYPE_INT|CTLFLAG_RW,
1601
      &SCTP_BASE_SYSCTL(sctp_vtag_time_wait), 0, sctp_sysctl_handle_int,
1602
      SCTPCTL_TIME_WAIT_DESC);
1603
1604
  sysctl_add_oid(&sysctl_oid_top, "buffer_splitting", CTLTYPE_INT|CTLFLAG_RW,
1605
      &SCTP_BASE_SYSCTL(sctp_buffer_splitting), 0, sctp_sysctl_handle_int,
1606
      SCTPCTL_BUFFER_SPLITTING_DESC);
1607
1608
  sysctl_add_oid(&sysctl_oid_top, "initial_cwnd", CTLTYPE_INT|CTLFLAG_RW,
1609
      &SCTP_BASE_SYSCTL(sctp_initial_cwnd), 0, sctp_sysctl_handle_int,
1610
      SCTPCTL_INITIAL_CWND_DESC);
1611
1612
  sysctl_add_oid(&sysctl_oid_top, "rttvar_bw", CTLTYPE_INT|CTLFLAG_RW,
1613
      &SCTP_BASE_SYSCTL(sctp_rttvar_bw), 0, sctp_sysctl_handle_int,
1614
      SCTPCTL_RTTVAR_BW_DESC);
1615
1616
  sysctl_add_oid(&sysctl_oid_top, "rttvar_rtt", CTLTYPE_INT|CTLFLAG_RW,
1617
      &SCTP_BASE_SYSCTL(sctp_rttvar_rtt), 0, sctp_sysctl_handle_int,
1618
      SCTPCTL_RTTVAR_RTT_DESC);
1619
1620
  sysctl_add_oid(&sysctl_oid_top, "rttvar_eqret", CTLTYPE_INT|CTLFLAG_RW,
1621
      &SCTP_BASE_SYSCTL(sctp_rttvar_eqret), 0, sctp_sysctl_handle_int,
1622
      SCTPCTL_RTTVAR_EQRET_DESC);
1623
1624
  sysctl_add_oid(&sysctl_oid_top, "rttvar_steady_step", CTLTYPE_INT|CTLFLAG_RW,
1625
      &SCTP_BASE_SYSCTL(sctp_steady_step), 0, sctp_sysctl_handle_int,
1626
      SCTPCTL_RTTVAR_STEADYS_DESC);
1627
1628
  sysctl_add_oid(&sysctl_oid_top, "use_dcccecn", CTLTYPE_INT|CTLFLAG_RW,
1629
      &SCTP_BASE_SYSCTL(sctp_use_dccc_ecn), 0, sctp_sysctl_handle_int,
1630
      SCTPCTL_RTTVAR_DCCCECN_DESC);
1631
1632
  sysctl_add_oid(&sysctl_oid_top, "blackhole", CTLTYPE_INT|CTLFLAG_RW,
1633
      &SCTP_BASE_SYSCTL(sctp_blackhole), 0, sctp_sysctl_handle_int,
1634
      SCTPCTL_BLACKHOLE_DESC);
1635
1636
  sysctl_add_oid(&sysctl_oid_top, "sendall_limit", CTLTYPE_INT|CTLFLAG_RW,
1637
      &SCTP_BASE_SYSCTL(sctp_sendall_limit), 0, sctp_sysctl_handle_int,
1638
      SCTPCTL_SENDALL_LIMIT_DESC);
1639
1640
  sysctl_add_oid(&sysctl_oid_top, "diag_info_code", CTLTYPE_INT|CTLFLAG_RW,
1641
      &SCTP_BASE_SYSCTL(sctp_diag_info_code), 0, sctp_sysctl_handle_int,
1642
      SCTPCTL_DIAG_INFO_CODE_DESC);
1643
1644
#ifdef SCTP_DEBUG
1645
  sysctl_add_oid(&sysctl_oid_top, "debug", CTLTYPE_INT|CTLFLAG_RW,
1646
      &SCTP_BASE_SYSCTL(sctp_debug_on), 0, sctp_sysctl_handle_int,
1647
      SCTPCTL_DEBUG_DESC);
1648
#endif
1649
1650
  sysctl_add_oid(&sysctl_oid_top, "stats", CTLTYPE_STRUCT|CTLFLAG_RW,
1651
      &SCTP_BASE_STATS, sizeof(SCTP_BASE_STATS), NULL,
1652
      "SCTP statistics (struct sctp_stat)");
1653
1654
  sysctl_add_oid(&sysctl_oid_top, "assoclist", CTLTYPE_STRUCT|CTLFLAG_RD,
1655
      NULL, 0, sctp_assoclist,
1656
      "List of active SCTP associations");
1657
}
1658
#endif
1659
#endif