2 * sysctl_net_ipv4.c: sysctl interface to net IPV4 subsystem.
4 * $Id: sysctl_net_ipv4.c,v 1.50 2001/10/20 00:00:11 davem Exp $
6 * Begun April 1, 1996, Mike Shaver.
7 * Added /proc/sys/net/ipv4 directory entry (empty =) ). [MS]
11 #include <linux/module.h>
12 #include <linux/sysctl.h>
13 #include <linux/igmp.h>
14 #include <linux/inetdevice.h>
18 #include <net/route.h>
20 #include <net/cipso_ipv4.h>
23 extern int sysctl_ip_nonlocal_bind;
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 };
32 struct ipv4_config ipv4_config;
37 int ipv4_sysctl_forward(ctl_table *ctl, int write, struct file * filp,
38 void __user *buffer, size_t *lenp, loff_t *ppos)
40 int val = ipv4_devconf.forwarding;
43 ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
45 if (write && ipv4_devconf.forwarding != val)
46 inet_forward_change();
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)
56 int *valp = table->data;
59 if (!newval || !newlen)
62 if (newlen != sizeof(int))
65 if (get_user(new, (int __user *)newval))
71 if (oldval && oldlenp) {
74 if (get_user(len, oldlenp))
78 if (len > table->maxlen)
80 if (copy_to_user(oldval, valp, len))
82 if (put_user(len, oldlenp))
88 inet_forward_change();
92 static int proc_tcp_congestion_control(ctl_table *ctl, int write, struct file * filp,
93 void __user *buffer, size_t *lenp, loff_t *ppos)
95 char val[TCP_CA_NAME_MAX];
98 .maxlen = TCP_CA_NAME_MAX,
102 tcp_get_default_congestion_control(val);
104 ret = proc_dostring(&tbl, write, filp, buffer, lenp, ppos);
105 if (write && ret == 0)
106 ret = tcp_set_default_congestion_control(val);
110 static int sysctl_tcp_congestion_control(ctl_table *table, int __user *name,
111 int nlen, void __user *oldval,
112 size_t __user *oldlenp,
113 void __user *newval, size_t newlen)
115 char val[TCP_CA_NAME_MAX];
118 .maxlen = TCP_CA_NAME_MAX,
122 tcp_get_default_congestion_control(val);
123 ret = sysctl_string(&tbl, name, nlen, oldval, oldlenp, newval, newlen);
124 if (ret == 0 && newval && newlen)
125 ret = tcp_set_default_congestion_control(val);
129 static int proc_tcp_available_congestion_control(ctl_table *ctl,
130 int write, struct file * filp,
131 void __user *buffer, size_t *lenp,
134 ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX, };
137 tbl.data = kmalloc(tbl.maxlen, GFP_USER);
140 tcp_get_available_congestion_control(tbl.data, TCP_CA_BUF_MAX);
141 ret = proc_dostring(&tbl, write, filp, buffer, lenp, ppos);
146 static int proc_allowed_congestion_control(ctl_table *ctl,
147 int write, struct file * filp,
148 void __user *buffer, size_t *lenp,
151 ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX };
154 tbl.data = kmalloc(tbl.maxlen, GFP_USER);
158 tcp_get_allowed_congestion_control(tbl.data, tbl.maxlen);
159 ret = proc_dostring(&tbl, write, filp, buffer, lenp, ppos);
160 if (write && ret == 0)
161 ret = tcp_set_allowed_congestion_control(tbl.data);
166 static int strategy_allowed_congestion_control(ctl_table *table, int __user *name,
167 int nlen, void __user *oldval,
168 size_t __user *oldlenp,
172 ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX };
175 tbl.data = kmalloc(tbl.maxlen, GFP_USER);
179 tcp_get_available_congestion_control(tbl.data, tbl.maxlen);
180 ret = sysctl_string(&tbl, name, nlen, oldval, oldlenp, newval, newlen);
181 if (ret == 0 && newval && newlen)
182 ret = tcp_set_allowed_congestion_control(tbl.data);
189 ctl_table ipv4_table[] = {
191 .ctl_name = NET_IPV4_TCP_TIMESTAMPS,
192 .procname = "tcp_timestamps",
193 .data = &sysctl_tcp_timestamps,
194 .maxlen = sizeof(int),
196 .proc_handler = &proc_dointvec
199 .ctl_name = NET_IPV4_TCP_WINDOW_SCALING,
200 .procname = "tcp_window_scaling",
201 .data = &sysctl_tcp_window_scaling,
202 .maxlen = sizeof(int),
204 .proc_handler = &proc_dointvec
207 .ctl_name = NET_IPV4_TCP_SACK,
208 .procname = "tcp_sack",
209 .data = &sysctl_tcp_sack,
210 .maxlen = sizeof(int),
212 .proc_handler = &proc_dointvec
215 .ctl_name = NET_IPV4_TCP_RETRANS_COLLAPSE,
216 .procname = "tcp_retrans_collapse",
217 .data = &sysctl_tcp_retrans_collapse,
218 .maxlen = sizeof(int),
220 .proc_handler = &proc_dointvec
223 .ctl_name = NET_IPV4_FORWARD,
224 .procname = "ip_forward",
225 .data = &ipv4_devconf.forwarding,
226 .maxlen = sizeof(int),
228 .proc_handler = &ipv4_sysctl_forward,
229 .strategy = &ipv4_sysctl_forward_strategy
232 .ctl_name = NET_IPV4_DEFAULT_TTL,
233 .procname = "ip_default_ttl",
234 .data = &sysctl_ip_default_ttl,
235 .maxlen = sizeof(int),
237 .proc_handler = &ipv4_doint_and_flush,
238 .strategy = &ipv4_doint_and_flush_strategy,
241 .ctl_name = NET_IPV4_NO_PMTU_DISC,
242 .procname = "ip_no_pmtu_disc",
243 .data = &ipv4_config.no_pmtu_disc,
244 .maxlen = sizeof(int),
246 .proc_handler = &proc_dointvec
249 .ctl_name = NET_IPV4_NONLOCAL_BIND,
250 .procname = "ip_nonlocal_bind",
251 .data = &sysctl_ip_nonlocal_bind,
252 .maxlen = sizeof(int),
254 .proc_handler = &proc_dointvec
257 .ctl_name = NET_IPV4_TCP_SYN_RETRIES,
258 .procname = "tcp_syn_retries",
259 .data = &sysctl_tcp_syn_retries,
260 .maxlen = sizeof(int),
262 .proc_handler = &proc_dointvec
265 .ctl_name = NET_TCP_SYNACK_RETRIES,
266 .procname = "tcp_synack_retries",
267 .data = &sysctl_tcp_synack_retries,
268 .maxlen = sizeof(int),
270 .proc_handler = &proc_dointvec
273 .ctl_name = NET_TCP_MAX_ORPHANS,
274 .procname = "tcp_max_orphans",
275 .data = &sysctl_tcp_max_orphans,
276 .maxlen = sizeof(int),
278 .proc_handler = &proc_dointvec
281 .ctl_name = NET_TCP_MAX_TW_BUCKETS,
282 .procname = "tcp_max_tw_buckets",
283 .data = &tcp_death_row.sysctl_max_tw_buckets,
284 .maxlen = sizeof(int),
286 .proc_handler = &proc_dointvec
289 .ctl_name = NET_IPV4_IPFRAG_HIGH_THRESH,
290 .procname = "ipfrag_high_thresh",
291 .data = &sysctl_ipfrag_high_thresh,
292 .maxlen = sizeof(int),
294 .proc_handler = &proc_dointvec
297 .ctl_name = NET_IPV4_IPFRAG_LOW_THRESH,
298 .procname = "ipfrag_low_thresh",
299 .data = &sysctl_ipfrag_low_thresh,
300 .maxlen = sizeof(int),
302 .proc_handler = &proc_dointvec
305 .ctl_name = NET_IPV4_DYNADDR,
306 .procname = "ip_dynaddr",
307 .data = &sysctl_ip_dynaddr,
308 .maxlen = sizeof(int),
310 .proc_handler = &proc_dointvec
313 .ctl_name = NET_IPV4_IPFRAG_TIME,
314 .procname = "ipfrag_time",
315 .data = &sysctl_ipfrag_time,
316 .maxlen = sizeof(int),
318 .proc_handler = &proc_dointvec_jiffies,
319 .strategy = &sysctl_jiffies
322 .ctl_name = NET_IPV4_TCP_KEEPALIVE_TIME,
323 .procname = "tcp_keepalive_time",
324 .data = &sysctl_tcp_keepalive_time,
325 .maxlen = sizeof(int),
327 .proc_handler = &proc_dointvec_jiffies,
328 .strategy = &sysctl_jiffies
331 .ctl_name = NET_IPV4_TCP_KEEPALIVE_PROBES,
332 .procname = "tcp_keepalive_probes",
333 .data = &sysctl_tcp_keepalive_probes,
334 .maxlen = sizeof(int),
336 .proc_handler = &proc_dointvec
339 .ctl_name = NET_IPV4_TCP_KEEPALIVE_INTVL,
340 .procname = "tcp_keepalive_intvl",
341 .data = &sysctl_tcp_keepalive_intvl,
342 .maxlen = sizeof(int),
344 .proc_handler = &proc_dointvec_jiffies,
345 .strategy = &sysctl_jiffies
348 .ctl_name = NET_IPV4_TCP_RETRIES1,
349 .procname = "tcp_retries1",
350 .data = &sysctl_tcp_retries1,
351 .maxlen = sizeof(int),
353 .proc_handler = &proc_dointvec_minmax,
354 .strategy = &sysctl_intvec,
355 .extra2 = &tcp_retr1_max
358 .ctl_name = NET_IPV4_TCP_RETRIES2,
359 .procname = "tcp_retries2",
360 .data = &sysctl_tcp_retries2,
361 .maxlen = sizeof(int),
363 .proc_handler = &proc_dointvec
366 .ctl_name = NET_IPV4_TCP_FIN_TIMEOUT,
367 .procname = "tcp_fin_timeout",
368 .data = &sysctl_tcp_fin_timeout,
369 .maxlen = sizeof(int),
371 .proc_handler = &proc_dointvec_jiffies,
372 .strategy = &sysctl_jiffies
374 #ifdef CONFIG_SYN_COOKIES
376 .ctl_name = NET_TCP_SYNCOOKIES,
377 .procname = "tcp_syncookies",
378 .data = &sysctl_tcp_syncookies,
379 .maxlen = sizeof(int),
381 .proc_handler = &proc_dointvec
385 .ctl_name = NET_TCP_TW_RECYCLE,
386 .procname = "tcp_tw_recycle",
387 .data = &tcp_death_row.sysctl_tw_recycle,
388 .maxlen = sizeof(int),
390 .proc_handler = &proc_dointvec
393 .ctl_name = NET_TCP_ABORT_ON_OVERFLOW,
394 .procname = "tcp_abort_on_overflow",
395 .data = &sysctl_tcp_abort_on_overflow,
396 .maxlen = sizeof(int),
398 .proc_handler = &proc_dointvec
401 .ctl_name = NET_TCP_STDURG,
402 .procname = "tcp_stdurg",
403 .data = &sysctl_tcp_stdurg,
404 .maxlen = sizeof(int),
406 .proc_handler = &proc_dointvec
409 .ctl_name = NET_TCP_RFC1337,
410 .procname = "tcp_rfc1337",
411 .data = &sysctl_tcp_rfc1337,
412 .maxlen = sizeof(int),
414 .proc_handler = &proc_dointvec
417 .ctl_name = NET_TCP_MAX_SYN_BACKLOG,
418 .procname = "tcp_max_syn_backlog",
419 .data = &sysctl_max_syn_backlog,
420 .maxlen = sizeof(int),
422 .proc_handler = &proc_dointvec
425 .ctl_name = NET_IPV4_LOCAL_PORT_RANGE,
426 .procname = "ip_local_port_range",
427 .data = &sysctl_local_port_range,
428 .maxlen = sizeof(sysctl_local_port_range),
430 .proc_handler = &proc_dointvec_minmax,
431 .strategy = &sysctl_intvec,
432 .extra1 = ip_local_port_range_min,
433 .extra2 = ip_local_port_range_max
436 .ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_ALL,
437 .procname = "icmp_echo_ignore_all",
438 .data = &sysctl_icmp_echo_ignore_all,
439 .maxlen = sizeof(int),
441 .proc_handler = &proc_dointvec
444 .ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
445 .procname = "icmp_echo_ignore_broadcasts",
446 .data = &sysctl_icmp_echo_ignore_broadcasts,
447 .maxlen = sizeof(int),
449 .proc_handler = &proc_dointvec
452 .ctl_name = NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
453 .procname = "icmp_ignore_bogus_error_responses",
454 .data = &sysctl_icmp_ignore_bogus_error_responses,
455 .maxlen = sizeof(int),
457 .proc_handler = &proc_dointvec
459 #ifdef CONFIG_ICMP_IPOD
461 .ctl_name = NET_IPV4_ICMP_IPOD_VERSION,
462 .procname = "icmp_ipod_version",
463 .data = &sysctl_icmp_ipod_version,
464 .maxlen = sizeof(sysctl_icmp_ipod_version),
466 .proc_handler = &proc_dointvec
469 .ctl_name = NET_IPV4_ICMP_IPOD_ENABLED,
470 .procname = "icmp_ipod_enabled",
471 .data = &sysctl_icmp_ipod_enabled,
472 .maxlen = sizeof(sysctl_icmp_ipod_enabled),
474 .proc_handler = &proc_dointvec
477 .ctl_name = NET_IPV4_ICMP_IPOD_HOST,
478 .procname = "icmp_ipod_host",
479 .data = &sysctl_icmp_ipod_host,
480 .maxlen = sizeof(sysctl_icmp_ipod_host),
482 .proc_handler = &proc_dointvec
485 .ctl_name = NET_IPV4_ICMP_IPOD_MASK,
486 .procname = "icmp_ipod_mask",
487 .data = &sysctl_icmp_ipod_mask,
488 .maxlen = sizeof(sysctl_icmp_ipod_mask),
490 .proc_handler = &proc_dointvec
493 .ctl_name = NET_IPV4_ICMP_IPOD_KEY,
494 .procname = "icmp_ipod_key",
495 .data = &sysctl_icmp_ipod_key,
496 .maxlen = sizeof(sysctl_icmp_ipod_key),
498 .proc_handler = &proc_dostring,
499 .strategy = &sysctl_string
503 .ctl_name = NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
504 .procname = "icmp_errors_use_inbound_ifaddr",
505 .data = &sysctl_icmp_errors_use_inbound_ifaddr,
506 .maxlen = sizeof(int),
508 .proc_handler = &proc_dointvec
511 .ctl_name = NET_IPV4_ROUTE,
515 .child = ipv4_route_table
517 #ifdef CONFIG_IP_MULTICAST
519 .ctl_name = NET_IPV4_IGMP_MAX_MEMBERSHIPS,
520 .procname = "igmp_max_memberships",
521 .data = &sysctl_igmp_max_memberships,
522 .maxlen = sizeof(int),
524 .proc_handler = &proc_dointvec
529 .ctl_name = NET_IPV4_IGMP_MAX_MSF,
530 .procname = "igmp_max_msf",
531 .data = &sysctl_igmp_max_msf,
532 .maxlen = sizeof(int),
534 .proc_handler = &proc_dointvec
537 .ctl_name = NET_IPV4_INET_PEER_THRESHOLD,
538 .procname = "inet_peer_threshold",
539 .data = &inet_peer_threshold,
540 .maxlen = sizeof(int),
542 .proc_handler = &proc_dointvec
545 .ctl_name = NET_IPV4_INET_PEER_MINTTL,
546 .procname = "inet_peer_minttl",
547 .data = &inet_peer_minttl,
548 .maxlen = sizeof(int),
550 .proc_handler = &proc_dointvec_jiffies,
551 .strategy = &sysctl_jiffies
554 .ctl_name = NET_IPV4_INET_PEER_MAXTTL,
555 .procname = "inet_peer_maxttl",
556 .data = &inet_peer_maxttl,
557 .maxlen = sizeof(int),
559 .proc_handler = &proc_dointvec_jiffies,
560 .strategy = &sysctl_jiffies
563 .ctl_name = NET_IPV4_INET_PEER_GC_MINTIME,
564 .procname = "inet_peer_gc_mintime",
565 .data = &inet_peer_gc_mintime,
566 .maxlen = sizeof(int),
568 .proc_handler = &proc_dointvec_jiffies,
569 .strategy = &sysctl_jiffies
572 .ctl_name = NET_IPV4_INET_PEER_GC_MAXTIME,
573 .procname = "inet_peer_gc_maxtime",
574 .data = &inet_peer_gc_maxtime,
575 .maxlen = sizeof(int),
577 .proc_handler = &proc_dointvec_jiffies,
578 .strategy = &sysctl_jiffies
581 .ctl_name = NET_TCP_ORPHAN_RETRIES,
582 .procname = "tcp_orphan_retries",
583 .data = &sysctl_tcp_orphan_retries,
584 .maxlen = sizeof(int),
586 .proc_handler = &proc_dointvec
589 .ctl_name = NET_TCP_FACK,
590 .procname = "tcp_fack",
591 .data = &sysctl_tcp_fack,
592 .maxlen = sizeof(int),
594 .proc_handler = &proc_dointvec
597 .ctl_name = NET_TCP_REORDERING,
598 .procname = "tcp_reordering",
599 .data = &sysctl_tcp_reordering,
600 .maxlen = sizeof(int),
602 .proc_handler = &proc_dointvec
605 .ctl_name = NET_TCP_ECN,
606 .procname = "tcp_ecn",
607 .data = &sysctl_tcp_ecn,
608 .maxlen = sizeof(int),
610 .proc_handler = &proc_dointvec
613 .ctl_name = NET_TCP_DSACK,
614 .procname = "tcp_dsack",
615 .data = &sysctl_tcp_dsack,
616 .maxlen = sizeof(int),
618 .proc_handler = &proc_dointvec
621 .ctl_name = NET_TCP_MEM,
622 .procname = "tcp_mem",
623 .data = &sysctl_tcp_mem,
624 .maxlen = sizeof(sysctl_tcp_mem),
626 .proc_handler = &proc_dointvec
629 .ctl_name = NET_TCP_WMEM,
630 .procname = "tcp_wmem",
631 .data = &sysctl_tcp_wmem,
632 .maxlen = sizeof(sysctl_tcp_wmem),
634 .proc_handler = &proc_dointvec
637 .ctl_name = NET_TCP_RMEM,
638 .procname = "tcp_rmem",
639 .data = &sysctl_tcp_rmem,
640 .maxlen = sizeof(sysctl_tcp_rmem),
642 .proc_handler = &proc_dointvec
645 .ctl_name = NET_TCP_APP_WIN,
646 .procname = "tcp_app_win",
647 .data = &sysctl_tcp_app_win,
648 .maxlen = sizeof(int),
650 .proc_handler = &proc_dointvec
653 .ctl_name = NET_TCP_ADV_WIN_SCALE,
654 .procname = "tcp_adv_win_scale",
655 .data = &sysctl_tcp_adv_win_scale,
656 .maxlen = sizeof(int),
658 .proc_handler = &proc_dointvec
661 .ctl_name = NET_IPV4_ICMP_RATELIMIT,
662 .procname = "icmp_ratelimit",
663 .data = &sysctl_icmp_ratelimit,
664 .maxlen = sizeof(int),
666 .proc_handler = &proc_dointvec
669 .ctl_name = NET_IPV4_ICMP_RATEMASK,
670 .procname = "icmp_ratemask",
671 .data = &sysctl_icmp_ratemask,
672 .maxlen = sizeof(int),
674 .proc_handler = &proc_dointvec
677 .ctl_name = NET_TCP_TW_REUSE,
678 .procname = "tcp_tw_reuse",
679 .data = &sysctl_tcp_tw_reuse,
680 .maxlen = sizeof(int),
682 .proc_handler = &proc_dointvec
685 .ctl_name = NET_TCP_FRTO,
686 .procname = "tcp_frto",
687 .data = &sysctl_tcp_frto,
688 .maxlen = sizeof(int),
690 .proc_handler = &proc_dointvec
693 .ctl_name = NET_TCP_LOW_LATENCY,
694 .procname = "tcp_low_latency",
695 .data = &sysctl_tcp_low_latency,
696 .maxlen = sizeof(int),
698 .proc_handler = &proc_dointvec
701 .ctl_name = NET_IPV4_IPFRAG_SECRET_INTERVAL,
702 .procname = "ipfrag_secret_interval",
703 .data = &sysctl_ipfrag_secret_interval,
704 .maxlen = sizeof(int),
706 .proc_handler = &proc_dointvec_jiffies,
707 .strategy = &sysctl_jiffies
710 .ctl_name = NET_IPV4_IPFRAG_MAX_DIST,
711 .procname = "ipfrag_max_dist",
712 .data = &sysctl_ipfrag_max_dist,
713 .maxlen = sizeof(int),
715 .proc_handler = &proc_dointvec_minmax,
719 .ctl_name = NET_TCP_NO_METRICS_SAVE,
720 .procname = "tcp_no_metrics_save",
721 .data = &sysctl_tcp_nometrics_save,
722 .maxlen = sizeof(int),
724 .proc_handler = &proc_dointvec,
727 .ctl_name = NET_TCP_MODERATE_RCVBUF,
728 .procname = "tcp_moderate_rcvbuf",
729 .data = &sysctl_tcp_moderate_rcvbuf,
730 .maxlen = sizeof(int),
732 .proc_handler = &proc_dointvec,
735 .ctl_name = NET_TCP_TSO_WIN_DIVISOR,
736 .procname = "tcp_tso_win_divisor",
737 .data = &sysctl_tcp_tso_win_divisor,
738 .maxlen = sizeof(int),
740 .proc_handler = &proc_dointvec,
743 .ctl_name = NET_TCP_CONG_CONTROL,
744 .procname = "tcp_congestion_control",
746 .maxlen = TCP_CA_NAME_MAX,
747 .proc_handler = &proc_tcp_congestion_control,
748 .strategy = &sysctl_tcp_congestion_control,
751 .ctl_name = NET_TCP_ABC,
752 .procname = "tcp_abc",
753 .data = &sysctl_tcp_abc,
754 .maxlen = sizeof(int),
756 .proc_handler = &proc_dointvec,
759 .ctl_name = NET_TCP_MTU_PROBING,
760 .procname = "tcp_mtu_probing",
761 .data = &sysctl_tcp_mtu_probing,
762 .maxlen = sizeof(int),
764 .proc_handler = &proc_dointvec,
767 .ctl_name = NET_TCP_BASE_MSS,
768 .procname = "tcp_base_mss",
769 .data = &sysctl_tcp_base_mss,
770 .maxlen = sizeof(int),
772 .proc_handler = &proc_dointvec,
775 .ctl_name = NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
776 .procname = "tcp_workaround_signed_windows",
777 .data = &sysctl_tcp_workaround_signed_windows,
778 .maxlen = sizeof(int),
780 .proc_handler = &proc_dointvec
782 #ifdef CONFIG_NET_DMA
784 .ctl_name = NET_TCP_DMA_COPYBREAK,
785 .procname = "tcp_dma_copybreak",
786 .data = &sysctl_tcp_dma_copybreak,
787 .maxlen = sizeof(int),
789 .proc_handler = &proc_dointvec
793 .ctl_name = NET_TCP_SLOW_START_AFTER_IDLE,
794 .procname = "tcp_slow_start_after_idle",
795 .data = &sysctl_tcp_slow_start_after_idle,
796 .maxlen = sizeof(int),
798 .proc_handler = &proc_dointvec
800 #ifdef CONFIG_NETLABEL
802 .ctl_name = NET_CIPSOV4_CACHE_ENABLE,
803 .procname = "cipso_cache_enable",
804 .data = &cipso_v4_cache_enabled,
805 .maxlen = sizeof(int),
807 .proc_handler = &proc_dointvec,
810 .ctl_name = NET_CIPSOV4_CACHE_BUCKET_SIZE,
811 .procname = "cipso_cache_bucket_size",
812 .data = &cipso_v4_cache_bucketsize,
813 .maxlen = sizeof(int),
815 .proc_handler = &proc_dointvec,
818 .ctl_name = NET_CIPSOV4_RBM_OPTFMT,
819 .procname = "cipso_rbm_optfmt",
820 .data = &cipso_v4_rbm_optfmt,
821 .maxlen = sizeof(int),
823 .proc_handler = &proc_dointvec,
826 .ctl_name = NET_CIPSOV4_RBM_STRICTVALID,
827 .procname = "cipso_rbm_strictvalid",
828 .data = &cipso_v4_rbm_strictvalid,
829 .maxlen = sizeof(int),
831 .proc_handler = &proc_dointvec,
833 #endif /* CONFIG_NETLABEL */
835 .ctl_name = NET_TCP_AVAIL_CONG_CONTROL,
836 .procname = "tcp_available_congestion_control",
837 .maxlen = TCP_CA_BUF_MAX,
839 .proc_handler = &proc_tcp_available_congestion_control,
842 .ctl_name = NET_TCP_ALLOWED_CONG_CONTROL,
843 .procname = "tcp_allowed_congestion_control",
844 .maxlen = TCP_CA_BUF_MAX,
846 .proc_handler = &proc_allowed_congestion_control,
847 .strategy = &strategy_allowed_congestion_control,
852 #endif /* CONFIG_SYSCTL */
854 EXPORT_SYMBOL(ipv4_config);