?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Linux 2.6.19-rc6
[cris-mirror.git] / net / ipv4 / sysctl_net_ipv4.c
blob15061b3144118d25c491e7eed58ca86394e65b9c
1 /*
2 * sysctl_net_ipv4.c: sysctl interface to net IPV4 subsystem.
3 *
4 * $Id: sysctl_net_ipv4.c,v 1.50 2001/10/20 00:00:11 davem Exp $
5 *
6 * Begun April 1, 1996, Mike Shaver.
7 * Added /proc/sys/net/ipv4 directory entry (empty =) ). [MS]
8 */
9
10 #include <linux/mm.h>
11 #include <linux/module.h>
12 #include <linux/sysctl.h>
13 #include <linux/igmp.h>
14 #include <linux/inetdevice.h>
15 #include <net/snmp.h>
16 #include <net/icmp.h>
17 #include <net/ip.h>
18 #include <net/route.h>
19 #include <net/tcp.h>
20 #include <net/cipso_ipv4.h>
21
22 /* From af_inet.c */
23 extern int sysctl_ip_nonlocal_bind;
24
25 #ifdef CONFIG_SYSCTL
26 static int zero;
27 static int tcp_retr1_max = 255;
28 static int ip_local_port_range_min[] = { 1, 1 };
29 static int ip_local_port_range_max[] = { 65535, 65535 };
30 #endif
31
32 struct ipv4_config ipv4_config;
33
34 #ifdef CONFIG_SYSCTL
35
36 static
37 int ipv4_sysctl_forward(ctl_table *ctl, int write, struct file * filp,
38 void __user *buffer, size_t *lenp, loff_t *ppos)
39 {
40 int val = ipv4_devconf.forwarding;
41 int ret;
42
43 ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
44
45 if (write && ipv4_devconf.forwarding != val)
46 inet_forward_change();
47
48 return ret;
49 }
50
51 static int ipv4_sysctl_forward_strategy(ctl_table *table,
52 int __user *name, int nlen,
53 void __user *oldval, size_t __user *oldlenp,
54 void __user *newval, size_t newlen,
55 void **context)
56 {
57 int *valp = table->data;
58 int new;
59
60 if (!newval || !newlen)
61 return 0;
62
63 if (newlen != sizeof(int))
64 return -EINVAL;
65
66 if (get_user(new, (int __user *)newval))
67 return -EFAULT;
68
69 if (new == *valp)
70 return 0;
71
72 if (oldval && oldlenp) {
73 size_t len;
74
75 if (get_user(len, oldlenp))
76 return -EFAULT;
77
78 if (len) {
79 if (len > table->maxlen)
80 len = table->maxlen;
81 if (copy_to_user(oldval, valp, len))
82 return -EFAULT;
83 if (put_user(len, oldlenp))
84 return -EFAULT;
85 }
86 }
87
88 *valp = new;
89 inet_forward_change();
90 return 1;
91 }
92
93 static int proc_tcp_congestion_control(ctl_table *ctl, int write, struct file * filp,
94 void __user *buffer, size_t *lenp, loff_t *ppos)
95 {
96 char val[TCP_CA_NAME_MAX];
97 ctl_table tbl = {
98 .data = val,
99 .maxlen = TCP_CA_NAME_MAX,
100 };
101 int ret;
102
103 tcp_get_default_congestion_control(val);
104
105 ret = proc_dostring(&tbl, write, filp, buffer, lenp, ppos);
106 if (write && ret == 0)
107 ret = tcp_set_default_congestion_control(val);
108 return ret;
109 }
110
111 static int sysctl_tcp_congestion_control(ctl_table *table, int __user *name,
112 int nlen, void __user *oldval,
113 size_t __user *oldlenp,
114 void __user *newval, size_t newlen,
115 void **context)
116 {
117 char val[TCP_CA_NAME_MAX];
118 ctl_table tbl = {
119 .data = val,
120 .maxlen = TCP_CA_NAME_MAX,
121 };
122 int ret;
123
124 tcp_get_default_congestion_control(val);
125 ret = sysctl_string(&tbl, name, nlen, oldval, oldlenp, newval, newlen,
126 context);
127 if (ret == 0 && newval && newlen)
128 ret = tcp_set_default_congestion_control(val);
129 return ret;
130 }
131
132 ctl_table ipv4_table[] = {
133 {
134 .ctl_name = NET_IPV4_TCP_TIMESTAMPS,
135 .procname = "tcp_timestamps",
136 .data = &sysctl_tcp_timestamps,
137 .maxlen = sizeof(int),
138 .mode = 0644,
139 .proc_handler = &proc_dointvec
140 },
141 {
142 .ctl_name = NET_IPV4_TCP_WINDOW_SCALING,
143 .procname = "tcp_window_scaling",
144 .data = &sysctl_tcp_window_scaling,
145 .maxlen = sizeof(int),
146 .mode = 0644,
147 .proc_handler = &proc_dointvec
148 },
149 {
150 .ctl_name = NET_IPV4_TCP_SACK,
151 .procname = "tcp_sack",
152 .data = &sysctl_tcp_sack,
153 .maxlen = sizeof(int),
154 .mode = 0644,
155 .proc_handler = &proc_dointvec
156 },
157 {
158 .ctl_name = NET_IPV4_TCP_RETRANS_COLLAPSE,
159 .procname = "tcp_retrans_collapse",
160 .data = &sysctl_tcp_retrans_collapse,
161 .maxlen = sizeof(int),
162 .mode = 0644,
163 .proc_handler = &proc_dointvec
164 },
165 {
166 .ctl_name = NET_IPV4_FORWARD,
167 .procname = "ip_forward",
168 .data = &ipv4_devconf.forwarding,
169 .maxlen = sizeof(int),
170 .mode = 0644,
171 .proc_handler = &ipv4_sysctl_forward,
172 .strategy = &ipv4_sysctl_forward_strategy
173 },
174 {
175 .ctl_name = NET_IPV4_DEFAULT_TTL,
176 .procname = "ip_default_ttl",
177 .data = &sysctl_ip_default_ttl,
178 .maxlen = sizeof(int),
179 .mode = 0644,
180 .proc_handler = &ipv4_doint_and_flush,
181 .strategy = &ipv4_doint_and_flush_strategy,
182 },
183 {
184 .ctl_name = NET_IPV4_NO_PMTU_DISC,
185 .procname = "ip_no_pmtu_disc",
186 .data = &ipv4_config.no_pmtu_disc,
187 .maxlen = sizeof(int),
188 .mode = 0644,
189 .proc_handler = &proc_dointvec
190 },
191 {
192 .ctl_name = NET_IPV4_NONLOCAL_BIND,
193 .procname = "ip_nonlocal_bind",
194 .data = &sysctl_ip_nonlocal_bind,
195 .maxlen = sizeof(int),
196 .mode = 0644,
197 .proc_handler = &proc_dointvec
198 },
199 {
200 .ctl_name = NET_IPV4_TCP_SYN_RETRIES,
201 .procname = "tcp_syn_retries",
202 .data = &sysctl_tcp_syn_retries,
203 .maxlen = sizeof(int),
204 .mode = 0644,
205 .proc_handler = &proc_dointvec
206 },
207 {
208 .ctl_name = NET_TCP_SYNACK_RETRIES,
209 .procname = "tcp_synack_retries",
210 .data = &sysctl_tcp_synack_retries,
211 .maxlen = sizeof(int),
212 .mode = 0644,
213 .proc_handler = &proc_dointvec
214 },
215 {
216 .ctl_name = NET_TCP_MAX_ORPHANS,
217 .procname = "tcp_max_orphans",
218 .data = &sysctl_tcp_max_orphans,
219 .maxlen = sizeof(int),
220 .mode = 0644,
221 .proc_handler = &proc_dointvec
222 },
223 {
224 .ctl_name = NET_TCP_MAX_TW_BUCKETS,
225 .procname = "tcp_max_tw_buckets",
226 .data = &tcp_death_row.sysctl_max_tw_buckets,
227 .maxlen = sizeof(int),
228 .mode = 0644,
229 .proc_handler = &proc_dointvec
230 },
231 {
232 .ctl_name = NET_IPV4_IPFRAG_HIGH_THRESH,
233 .procname = "ipfrag_high_thresh",
234 .data = &sysctl_ipfrag_high_thresh,
235 .maxlen = sizeof(int),
236 .mode = 0644,
237 .proc_handler = &proc_dointvec
238 },
239 {
240 .ctl_name = NET_IPV4_IPFRAG_LOW_THRESH,
241 .procname = "ipfrag_low_thresh",
242 .data = &sysctl_ipfrag_low_thresh,
243 .maxlen = sizeof(int),
244 .mode = 0644,
245 .proc_handler = &proc_dointvec
246 },
247 {
248 .ctl_name = NET_IPV4_DYNADDR,
249 .procname = "ip_dynaddr",
250 .data = &sysctl_ip_dynaddr,
251 .maxlen = sizeof(int),
252 .mode = 0644,
253 .proc_handler = &proc_dointvec
254 },
255 {
256 .ctl_name = NET_IPV4_IPFRAG_TIME,
257 .procname = "ipfrag_time",
258 .data = &sysctl_ipfrag_time,
259 .maxlen = sizeof(int),
260 .mode = 0644,
261 .proc_handler = &proc_dointvec_jiffies,
262 .strategy = &sysctl_jiffies
263 },
264 {
265 .ctl_name = NET_IPV4_TCP_KEEPALIVE_TIME,
266 .procname = "tcp_keepalive_time",
267 .data = &sysctl_tcp_keepalive_time,
268 .maxlen = sizeof(int),
269 .mode = 0644,
270 .proc_handler = &proc_dointvec_jiffies,
271 .strategy = &sysctl_jiffies
272 },
273 {
274 .ctl_name = NET_IPV4_TCP_KEEPALIVE_PROBES,
275 .procname = "tcp_keepalive_probes",
276 .data = &sysctl_tcp_keepalive_probes,
277 .maxlen = sizeof(int),
278 .mode = 0644,
279 .proc_handler = &proc_dointvec
280 },
281 {
282 .ctl_name = NET_IPV4_TCP_KEEPALIVE_INTVL,
283 .procname = "tcp_keepalive_intvl",
284 .data = &sysctl_tcp_keepalive_intvl,
285 .maxlen = sizeof(int),
286 .mode = 0644,
287 .proc_handler = &proc_dointvec_jiffies,
288 .strategy = &sysctl_jiffies
289 },
290 {
291 .ctl_name = NET_IPV4_TCP_RETRIES1,
292 .procname = "tcp_retries1",
293 .data = &sysctl_tcp_retries1,
294 .maxlen = sizeof(int),
295 .mode = 0644,
296 .proc_handler = &proc_dointvec_minmax,
297 .strategy = &sysctl_intvec,
298 .extra2 = &tcp_retr1_max
299 },
300 {
301 .ctl_name = NET_IPV4_TCP_RETRIES2,
302 .procname = "tcp_retries2",
303 .data = &sysctl_tcp_retries2,
304 .maxlen = sizeof(int),
305 .mode = 0644,
306 .proc_handler = &proc_dointvec
307 },
308 {
309 .ctl_name = NET_IPV4_TCP_FIN_TIMEOUT,
310 .procname = "tcp_fin_timeout",
311 .data = &sysctl_tcp_fin_timeout,
312 .maxlen = sizeof(int),
313 .mode = 0644,
314 .proc_handler = &proc_dointvec_jiffies,
315 .strategy = &sysctl_jiffies
316 },
317 #ifdef CONFIG_SYN_COOKIES
318 {
319 .ctl_name = NET_TCP_SYNCOOKIES,
320 .procname = "tcp_syncookies",
321 .data = &sysctl_tcp_syncookies,
322 .maxlen = sizeof(int),
323 .mode = 0644,
324 .proc_handler = &proc_dointvec
325 },
326 #endif
327 {
328 .ctl_name = NET_TCP_TW_RECYCLE,
329 .procname = "tcp_tw_recycle",
330 .data = &tcp_death_row.sysctl_tw_recycle,
331 .maxlen = sizeof(int),
332 .mode = 0644,
333 .proc_handler = &proc_dointvec
334 },
335 {
336 .ctl_name = NET_TCP_ABORT_ON_OVERFLOW,
337 .procname = "tcp_abort_on_overflow",
338 .data = &sysctl_tcp_abort_on_overflow,
339 .maxlen = sizeof(int),
340 .mode = 0644,
341 .proc_handler = &proc_dointvec
342 },
343 {
344 .ctl_name = NET_TCP_STDURG,
345 .procname = "tcp_stdurg",
346 .data = &sysctl_tcp_stdurg,
347 .maxlen = sizeof(int),
348 .mode = 0644,
349 .proc_handler = &proc_dointvec
350 },
351 {
352 .ctl_name = NET_TCP_RFC1337,
353 .procname = "tcp_rfc1337",
354 .data = &sysctl_tcp_rfc1337,
355 .maxlen = sizeof(int),
356 .mode = 0644,
357 .proc_handler = &proc_dointvec
358 },
359 {
360 .ctl_name = NET_TCP_MAX_SYN_BACKLOG,
361 .procname = "tcp_max_syn_backlog",
362 .data = &sysctl_max_syn_backlog,
363 .maxlen = sizeof(int),
364 .mode = 0644,
365 .proc_handler = &proc_dointvec
366 },
367 {
368 .ctl_name = NET_IPV4_LOCAL_PORT_RANGE,
369 .procname = "ip_local_port_range",
370 .data = &sysctl_local_port_range,
371 .maxlen = sizeof(sysctl_local_port_range),
372 .mode = 0644,
373 .proc_handler = &proc_dointvec_minmax,
374 .strategy = &sysctl_intvec,
375 .extra1 = ip_local_port_range_min,
376 .extra2 = ip_local_port_range_max
377 },
378 {
379 .ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_ALL,
380 .procname = "icmp_echo_ignore_all",
381 .data = &sysctl_icmp_echo_ignore_all,
382 .maxlen = sizeof(int),
383 .mode = 0644,
384 .proc_handler = &proc_dointvec
385 },
386 {
387 .ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
388 .procname = "icmp_echo_ignore_broadcasts",
389 .data = &sysctl_icmp_echo_ignore_broadcasts,
390 .maxlen = sizeof(int),
391 .mode = 0644,
392 .proc_handler = &proc_dointvec
393 },
394 {
395 .ctl_name = NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
396 .procname = "icmp_ignore_bogus_error_responses",
397 .data = &sysctl_icmp_ignore_bogus_error_responses,
398 .maxlen = sizeof(int),
399 .mode = 0644,
400 .proc_handler = &proc_dointvec
401 },
402 {
403 .ctl_name = NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
404 .procname = "icmp_errors_use_inbound_ifaddr",
405 .data = &sysctl_icmp_errors_use_inbound_ifaddr,
406 .maxlen = sizeof(int),
407 .mode = 0644,
408 .proc_handler = &proc_dointvec
409 },
410 {
411 .ctl_name = NET_IPV4_ROUTE,
412 .procname = "route",
413 .maxlen = 0,
414 .mode = 0555,
415 .child = ipv4_route_table
416 },
417 #ifdef CONFIG_IP_MULTICAST
418 {
419 .ctl_name = NET_IPV4_IGMP_MAX_MEMBERSHIPS,
420 .procname = "igmp_max_memberships",
421 .data = &sysctl_igmp_max_memberships,
422 .maxlen = sizeof(int),
423 .mode = 0644,
424 .proc_handler = &proc_dointvec
425 },
426
427 #endif
428 {
429 .ctl_name = NET_IPV4_IGMP_MAX_MSF,
430 .procname = "igmp_max_msf",
431 .data = &sysctl_igmp_max_msf,
432 .maxlen = sizeof(int),
433 .mode = 0644,
434 .proc_handler = &proc_dointvec
435 },
436 {
437 .ctl_name = NET_IPV4_INET_PEER_THRESHOLD,
438 .procname = "inet_peer_threshold",
439 .data = &inet_peer_threshold,
440 .maxlen = sizeof(int),
441 .mode = 0644,
442 .proc_handler = &proc_dointvec
443 },
444 {
445 .ctl_name = NET_IPV4_INET_PEER_MINTTL,
446 .procname = "inet_peer_minttl",
447 .data = &inet_peer_minttl,
448 .maxlen = sizeof(int),
449 .mode = 0644,
450 .proc_handler = &proc_dointvec_jiffies,
451 .strategy = &sysctl_jiffies
452 },
453 {
454 .ctl_name = NET_IPV4_INET_PEER_MAXTTL,
455 .procname = "inet_peer_maxttl",
456 .data = &inet_peer_maxttl,
457 .maxlen = sizeof(int),
458 .mode = 0644,
459 .proc_handler = &proc_dointvec_jiffies,
460 .strategy = &sysctl_jiffies
461 },
462 {
463 .ctl_name = NET_IPV4_INET_PEER_GC_MINTIME,
464 .procname = "inet_peer_gc_mintime",
465 .data = &inet_peer_gc_mintime,
466 .maxlen = sizeof(int),
467 .mode = 0644,
468 .proc_handler = &proc_dointvec_jiffies,
469 .strategy = &sysctl_jiffies
470 },
471 {
472 .ctl_name = NET_IPV4_INET_PEER_GC_MAXTIME,
473 .procname = "inet_peer_gc_maxtime",
474 .data = &inet_peer_gc_maxtime,
475 .maxlen = sizeof(int),
476 .mode = 0644,
477 .proc_handler = &proc_dointvec_jiffies,
478 .strategy = &sysctl_jiffies
479 },
480 {
481 .ctl_name = NET_TCP_ORPHAN_RETRIES,
482 .procname = "tcp_orphan_retries",
483 .data = &sysctl_tcp_orphan_retries,
484 .maxlen = sizeof(int),
485 .mode = 0644,
486 .proc_handler = &proc_dointvec
487 },
488 {
489 .ctl_name = NET_TCP_FACK,
490 .procname = "tcp_fack",
491 .data = &sysctl_tcp_fack,
492 .maxlen = sizeof(int),
493 .mode = 0644,
494 .proc_handler = &proc_dointvec
495 },
496 {
497 .ctl_name = NET_TCP_REORDERING,
498 .procname = "tcp_reordering",
499 .data = &sysctl_tcp_reordering,
500 .maxlen = sizeof(int),
501 .mode = 0644,
502 .proc_handler = &proc_dointvec
503 },
504 {
505 .ctl_name = NET_TCP_ECN,
506 .procname = "tcp_ecn",
507 .data = &sysctl_tcp_ecn,
508 .maxlen = sizeof(int),
509 .mode = 0644,
510 .proc_handler = &proc_dointvec
511 },
512 {
513 .ctl_name = NET_TCP_DSACK,
514 .procname = "tcp_dsack",
515 .data = &sysctl_tcp_dsack,
516 .maxlen = sizeof(int),
517 .mode = 0644,
518 .proc_handler = &proc_dointvec
519 },
520 {
521 .ctl_name = NET_TCP_MEM,
522 .procname = "tcp_mem",
523 .data = &sysctl_tcp_mem,
524 .maxlen = sizeof(sysctl_tcp_mem),
525 .mode = 0644,
526 .proc_handler = &proc_dointvec
527 },
528 {
529 .ctl_name = NET_TCP_WMEM,
530 .procname = "tcp_wmem",
531 .data = &sysctl_tcp_wmem,
532 .maxlen = sizeof(sysctl_tcp_wmem),
533 .mode = 0644,
534 .proc_handler = &proc_dointvec
535 },
536 {
537 .ctl_name = NET_TCP_RMEM,
538 .procname = "tcp_rmem",
539 .data = &sysctl_tcp_rmem,
540 .maxlen = sizeof(sysctl_tcp_rmem),
541 .mode = 0644,
542 .proc_handler = &proc_dointvec
543 },
544 {
545 .ctl_name = NET_TCP_APP_WIN,
546 .procname = "tcp_app_win",
547 .data = &sysctl_tcp_app_win,
548 .maxlen = sizeof(int),
549 .mode = 0644,
550 .proc_handler = &proc_dointvec
551 },
552 {
553 .ctl_name = NET_TCP_ADV_WIN_SCALE,
554 .procname = "tcp_adv_win_scale",
555 .data = &sysctl_tcp_adv_win_scale,
556 .maxlen = sizeof(int),
557 .mode = 0644,
558 .proc_handler = &proc_dointvec
559 },
560 {
561 .ctl_name = NET_IPV4_ICMP_RATELIMIT,
562 .procname = "icmp_ratelimit",
563 .data = &sysctl_icmp_ratelimit,
564 .maxlen = sizeof(int),
565 .mode = 0644,
566 .proc_handler = &proc_dointvec
567 },
568 {
569 .ctl_name = NET_IPV4_ICMP_RATEMASK,
570 .procname = "icmp_ratemask",
571 .data = &sysctl_icmp_ratemask,
572 .maxlen = sizeof(int),
573 .mode = 0644,
574 .proc_handler = &proc_dointvec
575 },
576 {
577 .ctl_name = NET_TCP_TW_REUSE,
578 .procname = "tcp_tw_reuse",
579 .data = &sysctl_tcp_tw_reuse,
580 .maxlen = sizeof(int),
581 .mode = 0644,
582 .proc_handler = &proc_dointvec
583 },
584 {
585 .ctl_name = NET_TCP_FRTO,
586 .procname = "tcp_frto",
587 .data = &sysctl_tcp_frto,
588 .maxlen = sizeof(int),
589 .mode = 0644,
590 .proc_handler = &proc_dointvec
591 },
592 {
593 .ctl_name = NET_TCP_LOW_LATENCY,
594 .procname = "tcp_low_latency",
595 .data = &sysctl_tcp_low_latency,
596 .maxlen = sizeof(int),
597 .mode = 0644,
598 .proc_handler = &proc_dointvec
599 },
600 {
601 .ctl_name = NET_IPV4_IPFRAG_SECRET_INTERVAL,
602 .procname = "ipfrag_secret_interval",
603 .data = &sysctl_ipfrag_secret_interval,
604 .maxlen = sizeof(int),
605 .mode = 0644,
606 .proc_handler = &proc_dointvec_jiffies,
607 .strategy = &sysctl_jiffies
608 },
609 {
610 .ctl_name = NET_IPV4_IPFRAG_MAX_DIST,
611 .procname = "ipfrag_max_dist",
612 .data = &sysctl_ipfrag_max_dist,
613 .maxlen = sizeof(int),
614 .mode = 0644,
615 .proc_handler = &proc_dointvec_minmax,
616 .extra1 = &zero
617 },
618 {
619 .ctl_name = NET_TCP_NO_METRICS_SAVE,
620 .procname = "tcp_no_metrics_save",
621 .data = &sysctl_tcp_nometrics_save,
622 .maxlen = sizeof(int),
623 .mode = 0644,
624 .proc_handler = &proc_dointvec,
625 },
626 {
627 .ctl_name = NET_TCP_MODERATE_RCVBUF,
628 .procname = "tcp_moderate_rcvbuf",
629 .data = &sysctl_tcp_moderate_rcvbuf,
630 .maxlen = sizeof(int),
631 .mode = 0644,
632 .proc_handler = &proc_dointvec,
633 },
634 {
635 .ctl_name = NET_TCP_TSO_WIN_DIVISOR,
636 .procname = "tcp_tso_win_divisor",
637 .data = &sysctl_tcp_tso_win_divisor,
638 .maxlen = sizeof(int),
639 .mode = 0644,
640 .proc_handler = &proc_dointvec,
641 },
642 {
643 .ctl_name = NET_TCP_CONG_CONTROL,
644 .procname = "tcp_congestion_control",
645 .mode = 0644,
646 .maxlen = TCP_CA_NAME_MAX,
647 .proc_handler = &proc_tcp_congestion_control,
648 .strategy = &sysctl_tcp_congestion_control,
649 },
650 {
651 .ctl_name = NET_TCP_ABC,
652 .procname = "tcp_abc",
653 .data = &sysctl_tcp_abc,
654 .maxlen = sizeof(int),
655 .mode = 0644,
656 .proc_handler = &proc_dointvec,
657 },
658 {
659 .ctl_name = NET_TCP_MTU_PROBING,
660 .procname = "tcp_mtu_probing",
661 .data = &sysctl_tcp_mtu_probing,
662 .maxlen = sizeof(int),
663 .mode = 0644,
664 .proc_handler = &proc_dointvec,
665 },
666 {
667 .ctl_name = NET_TCP_BASE_MSS,
668 .procname = "tcp_base_mss",
669 .data = &sysctl_tcp_base_mss,
670 .maxlen = sizeof(int),
671 .mode = 0644,
672 .proc_handler = &proc_dointvec,
673 },
674 {
675 .ctl_name = NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
676 .procname = "tcp_workaround_signed_windows",
677 .data = &sysctl_tcp_workaround_signed_windows,
678 .maxlen = sizeof(int),
679 .mode = 0644,
680 .proc_handler = &proc_dointvec
681 },
682 #ifdef CONFIG_NET_DMA
683 {
684 .ctl_name = NET_TCP_DMA_COPYBREAK,
685 .procname = "tcp_dma_copybreak",
686 .data = &sysctl_tcp_dma_copybreak,
687 .maxlen = sizeof(int),
688 .mode = 0644,
689 .proc_handler = &proc_dointvec
690 },
691 #endif
692 {
693 .ctl_name = NET_TCP_SLOW_START_AFTER_IDLE,
694 .procname = "tcp_slow_start_after_idle",
695 .data = &sysctl_tcp_slow_start_after_idle,
696 .maxlen = sizeof(int),
697 .mode = 0644,
698 .proc_handler = &proc_dointvec
699 },
700 #ifdef CONFIG_NETLABEL
701 {
702 .ctl_name = NET_CIPSOV4_CACHE_ENABLE,
703 .procname = "cipso_cache_enable",
704 .data = &cipso_v4_cache_enabled,
705 .maxlen = sizeof(int),
706 .mode = 0644,
707 .proc_handler = &proc_dointvec,
708 },
709 {
710 .ctl_name = NET_CIPSOV4_CACHE_BUCKET_SIZE,
711 .procname = "cipso_cache_bucket_size",
712 .data = &cipso_v4_cache_bucketsize,
713 .maxlen = sizeof(int),
714 .mode = 0644,
715 .proc_handler = &proc_dointvec,
716 },
717 {
718 .ctl_name = NET_CIPSOV4_RBM_OPTFMT,
719 .procname = "cipso_rbm_optfmt",
720 .data = &cipso_v4_rbm_optfmt,
721 .maxlen = sizeof(int),
722 .mode = 0644,
723 .proc_handler = &proc_dointvec,
724 },
725 {
726 .ctl_name = NET_CIPSOV4_RBM_STRICTVALID,
727 .procname = "cipso_rbm_strictvalid",
728 .data = &cipso_v4_rbm_strictvalid,
729 .maxlen = sizeof(int),
730 .mode = 0644,
731 .proc_handler = &proc_dointvec,
732 },
733 #endif /* CONFIG_NETLABEL */
734 { .ctl_name = 0 }
735 };
736
737 #endif /* CONFIG_SYSCTL */
738
739 EXPORT_SYMBOL(ipv4_config);
CRIS linux kernel tree