aboutsummaryrefslogblamecommitdiffstats
path: root/kernel/sysctl_binary.c
blob: 65bdcf198d4e1c3f0727176a439aca4f22800136 (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050

                         
                                 










                                
                            
                         
                       
 

                            





















































































































                                                                                           










                                                                                     
                                                                       

































































                                                                                       
                                                                     








                                                                                     























































































































































































































































































































































































































































































































































































































































































































































































































































                                                                                                                               
 








































                                                                 

         























                                                                        
         






                        

                                                                               
 























                                                                    

                                                             






































                                                                               
                                                          





















































                                                                                

                     



                                                                    


                                

                  




                                          
                            
 



                                                                    

                                       

                                                                   
                                                              




                                                             
      




                                                                           
                          
                                    
                                           
                                              


                                                     

                                     

                 
                                 

 
                                                                                       
 










                                                                            

                 
                      

 



                                                                               




                             








                                                      

                                      

                                      





                                                 
                                                                   







                                                                      
                            

                      


 

                                 

                                                                               
 
                       



                                  
 
                                                                
 

              






                                                                  
                                 


                                                                           
                                          


                                               


               




























                                                             

                                                                               

                              

              

                                           
                                




                                                     
                                     
 
                                                                         

 


                                                            

                          



                                                    












                                                                  
 



                                                         
 
 
 
















                                                                         





                                                    

                                       
 


                                                               
 
                                                          
                                                          
                                                               
 


                                

         


                                                               



                          
#include <linux/stat.h>
#include <linux/sysctl.h>
#include "../fs/xfs/xfs_sysctl.h"
#include <linux/sunrpc/debug.h>
#include <linux/string.h>
#include <net/ip_vs.h>
#include <linux/syscalls.h>
#include <linux/namei.h>
#include <linux/mount.h>
#include <linux/fs.h>
#include <linux/nsproxy.h>
#include <linux/pid_namespace.h>
#include <linux/file.h>
#include <linux/ctype.h>
#include <linux/netdevice.h>
#include <linux/kernel.h>
#include <linux/slab.h>

#ifdef CONFIG_SYSCTL_SYSCALL

struct bin_table;
typedef ssize_t bin_convert_t(struct file *file,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen);

static bin_convert_t bin_dir;
static bin_convert_t bin_string;
static bin_convert_t bin_intvec;
static bin_convert_t bin_ulongvec;
static bin_convert_t bin_uuid;
static bin_convert_t bin_dn_node_address;

#define CTL_DIR   bin_dir
#define CTL_STR   bin_string
#define CTL_INT   bin_intvec
#define CTL_ULONG bin_ulongvec
#define CTL_UUID  bin_uuid
#define CTL_DNADR bin_dn_node_address

#define BUFSZ 256

struct bin_table {
	bin_convert_t		*convert;
	int			ctl_name;
	const char		*procname;
	const struct bin_table	*child;
};

static const struct bin_table bin_random_table[] = {
	{ CTL_INT,	RANDOM_POOLSIZE,	"poolsize" },
	{ CTL_INT,	RANDOM_ENTROPY_COUNT,	"entropy_avail" },
	{ CTL_INT,	RANDOM_READ_THRESH,	"read_wakeup_threshold" },
	{ CTL_INT,	RANDOM_WRITE_THRESH,	"write_wakeup_threshold" },
	{ CTL_UUID,	RANDOM_BOOT_ID,		"boot_id" },
	{ CTL_UUID,	RANDOM_UUID,		"uuid" },
	{}
};

static const struct bin_table bin_pty_table[] = {
	{ CTL_INT,	PTY_MAX,	"max" },
	{ CTL_INT,	PTY_NR,		"nr" },
	{}
};

static const struct bin_table bin_kern_table[] = {
	{ CTL_STR,	KERN_OSTYPE,			"ostype" },
	{ CTL_STR,	KERN_OSRELEASE,			"osrelease" },
	/* KERN_OSREV not used */
	{ CTL_STR,	KERN_VERSION,			"version" },
	/* KERN_SECUREMASK not used */
	/* KERN_PROF not used */
	{ CTL_STR,	KERN_NODENAME,			"hostname" },
	{ CTL_STR,	KERN_DOMAINNAME,		"domainname" },

	{ CTL_INT,	KERN_PANIC,			"panic" },
	{ CTL_INT,	KERN_REALROOTDEV,		"real-root-dev" },

	{ CTL_STR,	KERN_SPARC_REBOOT,		"reboot-cmd" },
	{ CTL_INT,	KERN_CTLALTDEL,			"ctrl-alt-del" },
	{ CTL_INT,	KERN_PRINTK,			"printk" },

	/* KERN_NAMETRANS not used */
	/* KERN_PPC_HTABRECLAIM not used */
	/* KERN_PPC_ZEROPAGED not used */
	{ CTL_INT,	KERN_PPC_POWERSAVE_NAP,		"powersave-nap" },

	{ CTL_STR,	KERN_MODPROBE,			"modprobe" },
	{ CTL_INT,	KERN_SG_BIG_BUFF,		"sg-big-buff" },
	{ CTL_INT,	KERN_ACCT,			"acct" },
	/* KERN_PPC_L2CR "l2cr" no longer used */

	/* KERN_RTSIGNR not used */
	/* KERN_RTSIGMAX not used */

	{ CTL_ULONG,	KERN_SHMMAX,			"shmmax" },
	{ CTL_INT,	KERN_MSGMAX,			"msgmax" },
	{ CTL_INT,	KERN_MSGMNB,			"msgmnb" },
	/* KERN_MSGPOOL not used*/
	{ CTL_INT,	KERN_SYSRQ,			"sysrq" },
	{ CTL_INT,	KERN_MAX_THREADS,		"threads-max" },
	{ CTL_DIR,	KERN_RANDOM,			"random",	bin_random_table },
	{ CTL_ULONG,	KERN_SHMALL,			"shmall" },
	{ CTL_INT,	KERN_MSGMNI,			"msgmni" },
	{ CTL_INT,	KERN_SEM,			"sem" },
	{ CTL_INT,	KERN_SPARC_STOP_A,		"stop-a" },
	{ CTL_INT,	KERN_SHMMNI,			"shmmni" },

	{ CTL_INT,	KERN_OVERFLOWUID,		"overflowuid" },
	{ CTL_INT,	KERN_OVERFLOWGID,		"overflowgid" },

	{ CTL_STR,	KERN_HOTPLUG,			"hotplug", },
	{ CTL_INT,	KERN_IEEE_EMULATION_WARNINGS,	"ieee_emulation_warnings" },

	{ CTL_INT,	KERN_S390_USER_DEBUG_LOGGING,	"userprocess_debug" },
	{ CTL_INT,	KERN_CORE_USES_PID,		"core_uses_pid" },
	/* KERN_TAINTED "tainted" no longer used */
	{ CTL_INT,	KERN_CADPID,			"cad_pid" },
	{ CTL_INT,	KERN_PIDMAX,			"pid_max" },
	{ CTL_STR,	KERN_CORE_PATTERN,		"core_pattern" },
	{ CTL_INT,	KERN_PANIC_ON_OOPS,		"panic_on_oops" },
	{ CTL_INT,	KERN_HPPA_PWRSW,		"soft-power" },
	{ CTL_INT,	KERN_HPPA_UNALIGNED,		"unaligned-trap" },

	{ CTL_INT,	KERN_PRINTK_RATELIMIT,		"printk_ratelimit" },
	{ CTL_INT,	KERN_PRINTK_RATELIMIT_BURST,	"printk_ratelimit_burst" },

	{ CTL_DIR,	KERN_PTY,			"pty",		bin_pty_table },
	{ CTL_INT,	KERN_NGROUPS_MAX,		"ngroups_max" },
	{ CTL_INT,	KERN_SPARC_SCONS_PWROFF,	"scons-poweroff" },
	/* KERN_HZ_TIMER "hz_timer" no longer used */
	{ CTL_INT,	KERN_UNKNOWN_NMI_PANIC,		"unknown_nmi_panic" },
	{ CTL_INT,	KERN_BOOTLOADER_TYPE,		"bootloader_type" },
	{ CTL_INT,	KERN_RANDOMIZE,			"randomize_va_space" },

	{ CTL_INT,	KERN_SPIN_RETRY,		"spin_retry" },
	/* KERN_ACPI_VIDEO_FLAGS "acpi_video_flags" no longer used */
	{ CTL_INT,	KERN_IA64_UNALIGNED,		"ignore-unaligned-usertrap" },
	{ CTL_INT,	KERN_COMPAT_LOG,		"compat-log" },
	{ CTL_INT,	KERN_MAX_LOCK_DEPTH,		"max_lock_depth" },
	{ CTL_INT,	KERN_PANIC_ON_NMI,		"panic_on_unrecovered_nmi" },
	{}
};

static const struct bin_table bin_vm_table[] = {
	{ CTL_INT,	VM_OVERCOMMIT_MEMORY,		"overcommit_memory" },
	{ CTL_INT,	VM_PAGE_CLUSTER,		"page-cluster" },
	{ CTL_INT,	VM_DIRTY_BACKGROUND,		"dirty_background_ratio" },
	{ CTL_INT,	VM_DIRTY_RATIO,			"dirty_ratio" },
	/* VM_DIRTY_WB_CS "dirty_writeback_centisecs" no longer used */
	/* VM_DIRTY_EXPIRE_CS "dirty_expire_centisecs" no longer used */
	/* VM_NR_PDFLUSH_THREADS "nr_pdflush_threads" no longer used */
	{ CTL_INT,	VM_OVERCOMMIT_RATIO,		"overcommit_ratio" },
	/* VM_PAGEBUF unused */
	/* VM_HUGETLB_PAGES "nr_hugepages" no longer used */
	{ CTL_INT,	VM_SWAPPINESS,			"swappiness" },
	{ CTL_INT,	VM_LOWMEM_RESERVE_RATIO,	"lowmem_reserve_ratio" },
	{ CTL_INT,	VM_MIN_FREE_KBYTES,		"min_free_kbytes" },
	{ CTL_INT,	VM_MAX_MAP_COUNT,		"max_map_count" },
	{ CTL_INT,	VM_LAPTOP_MODE,			"laptop_mode" },
	{ CTL_INT,	VM_BLOCK_DUMP,			"block_dump" },
	{ CTL_INT,	VM_HUGETLB_GROUP,		"hugetlb_shm_group" },
	{ CTL_INT,	VM_VFS_CACHE_PRESSURE,	"vfs_cache_pressure" },
	{ CTL_INT,	VM_LEGACY_VA_LAYOUT,		"legacy_va_layout" },
	/* VM_SWAP_TOKEN_TIMEOUT unused */
	{ CTL_INT,	VM_DROP_PAGECACHE,		"drop_caches" },
	{ CTL_INT,	VM_PERCPU_PAGELIST_FRACTION,	"percpu_pagelist_fraction" },
	{ CTL_INT,	VM_ZONE_RECLAIM_MODE,		"zone_reclaim_mode" },
	{ CTL_INT,	VM_MIN_UNMAPPED,		"min_unmapped_ratio" },
	{ CTL_INT,	VM_PANIC_ON_OOM,		"panic_on_oom" },
	{ CTL_INT,	VM_VDSO_ENABLED,		"vdso_enabled" },
	{ CTL_INT,	VM_MIN_SLAB,			"min_slab_ratio" },

	{}
};

static const struct bin_table bin_net_core_table[] = {
	{ CTL_INT,	NET_CORE_WMEM_MAX,	"wmem_max" },
	{ CTL_INT,	NET_CORE_RMEM_MAX,	"rmem_max" },
	{ CTL_INT,	NET_CORE_WMEM_DEFAULT,	"wmem_default" },
	{ CTL_INT,	NET_CORE_RMEM_DEFAULT,	"rmem_default" },
	/* NET_CORE_DESTROY_DELAY unused */
	{ CTL_INT,	NET_CORE_MAX_BACKLOG,	"netdev_max_backlog" },
	/* NET_CORE_FASTROUTE unused */
	{ CTL_INT,	NET_CORE_MSG_COST,	"message_cost" },
	{ CTL_INT,	NET_CORE_MSG_BURST,	"message_burst" },
	{ CTL_INT,	NET_CORE_OPTMEM_MAX,	"optmem_max" },
	/* NET_CORE_HOT_LIST_LENGTH unused */
	/* NET_CORE_DIVERT_VERSION unused */
	/* NET_CORE_NO_CONG_THRESH unused */
	/* NET_CORE_NO_CONG unused */
	/* NET_CORE_LO_CONG unused */
	/* NET_CORE_MOD_CONG unused */
	{ CTL_INT,	NET_CORE_DEV_WEIGHT,	"dev_weight" },
	{ CTL_INT,	NET_CORE_SOMAXCONN,	"somaxconn" },
	{ CTL_INT,	NET_CORE_BUDGET,	"netdev_budget" },
	{ CTL_INT,	NET_CORE_AEVENT_ETIME,	"xfrm_aevent_etime" },
	{ CTL_INT,	NET_CORE_AEVENT_RSEQTH,	"xfrm_aevent_rseqth" },
	{ CTL_INT,	NET_CORE_WARNINGS,	"warnings" },
	{},
};

static const struct bin_table bin_net_unix_table[] = {
	/* NET_UNIX_DESTROY_DELAY unused */
	/* NET_UNIX_DELETE_DELAY unused */
	{ CTL_INT,	NET_UNIX_MAX_DGRAM_QLEN,	"max_dgram_qlen" },
	{}
};

static const struct bin_table bin_net_ipv4_route_table[] = {
	{ CTL_INT,	NET_IPV4_ROUTE_FLUSH,			"flush" },
	/* NET_IPV4_ROUTE_MIN_DELAY "min_delay" no longer used */
	/* NET_IPV4_ROUTE_MAX_DELAY "max_delay" no longer used */
	{ CTL_INT,	NET_IPV4_ROUTE_GC_THRESH,		"gc_thresh" },
	{ CTL_INT,	NET_IPV4_ROUTE_MAX_SIZE,		"max_size" },
	{ CTL_INT,	NET_IPV4_ROUTE_GC_MIN_INTERVAL,		"gc_min_interval" },
	{ CTL_INT,	NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,	"gc_min_interval_ms" },
	{ CTL_INT,	NET_IPV4_ROUTE_GC_TIMEOUT,		"gc_timeout" },
	/* NET_IPV4_ROUTE_GC_INTERVAL "gc_interval" no longer used */
	{ CTL_INT,	NET_IPV4_ROUTE_REDIRECT_LOAD,		"redirect_load" },
	{ CTL_INT,	NET_IPV4_ROUTE_REDIRECT_NUMBER,		"redirect_number" },
	{ CTL_INT,	NET_IPV4_ROUTE_REDIRECT_SILENCE,	"redirect_silence" },
	{ CTL_INT,	NET_IPV4_ROUTE_ERROR_COST,		"error_cost" },
	{ CTL_INT,	NET_IPV4_ROUTE_ERROR_BURST,		"error_burst" },
	{ CTL_INT,	NET_IPV4_ROUTE_GC_ELASTICITY,		"gc_elasticity" },
	{ CTL_INT,	NET_IPV4_ROUTE_MTU_EXPIRES,		"mtu_expires" },
	{ CTL_INT,	NET_IPV4_ROUTE_MIN_PMTU,		"min_pmtu" },
	{ CTL_INT,	NET_IPV4_ROUTE_MIN_ADVMSS,		"min_adv_mss" },
	{}
};

static const struct bin_table bin_net_ipv4_conf_vars_table[] = {
	{ CTL_INT,	NET_IPV4_CONF_FORWARDING,		"forwarding" },
	{ CTL_INT,	NET_IPV4_CONF_MC_FORWARDING,		"mc_forwarding" },

	{ CTL_INT,	NET_IPV4_CONF_ACCEPT_REDIRECTS,		"accept_redirects" },
	{ CTL_INT,	NET_IPV4_CONF_SECURE_REDIRECTS,		"secure_redirects" },
	{ CTL_INT,	NET_IPV4_CONF_SEND_REDIRECTS,		"send_redirects" },
	{ CTL_INT,	NET_IPV4_CONF_SHARED_MEDIA,		"shared_media" },
	{ CTL_INT,	NET_IPV4_CONF_RP_FILTER,		"rp_filter" },
	{ CTL_INT,	NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE,	"accept_source_route" },
	{ CTL_INT,	NET_IPV4_CONF_PROXY_ARP,		"proxy_arp" },
	{ CTL_INT,	NET_IPV4_CONF_MEDIUM_ID,		"medium_id" },
	{ CTL_INT,	NET_IPV4_CONF_BOOTP_RELAY,		"bootp_relay" },
	{ CTL_INT,	NET_IPV4_CONF_LOG_MARTIANS,		"log_martians" },
	{ CTL_INT,	NET_IPV4_CONF_TAG,			"tag" },
	{ CTL_INT,	NET_IPV4_CONF_ARPFILTER,		"arp_filter" },
	{ CTL_INT,	NET_IPV4_CONF_ARP_ANNOUNCE,		"arp_announce" },
	{ CTL_INT,	NET_IPV4_CONF_ARP_IGNORE,		"arp_ignore" },
	{ CTL_INT,	NET_IPV4_CONF_ARP_ACCEPT,		"arp_accept" },
	{ CTL_INT,	NET_IPV4_CONF_ARP_NOTIFY,		"arp_notify" },

	{ CTL_INT,	NET_IPV4_CONF_NOXFRM,			"disable_xfrm" },
	{ CTL_INT,	NET_IPV4_CONF_NOPOLICY,			"disable_policy" },
	{ CTL_INT,	NET_IPV4_CONF_FORCE_IGMP_VERSION,	"force_igmp_version" },
	{ CTL_INT,	NET_IPV4_CONF_PROMOTE_SECONDARIES,	"promote_secondaries" },
	{}
};

static const struct bin_table bin_net_ipv4_conf_table[] = {
	{ CTL_DIR,	NET_PROTO_CONF_ALL,	"all",		bin_net_ipv4_conf_vars_table },
	{ CTL_DIR,	NET_PROTO_CONF_DEFAULT,	"default",	bin_net_ipv4_conf_vars_table },
	{ CTL_DIR,	0, NULL, bin_net_ipv4_conf_vars_table },
	{}
};

static const struct bin_table bin_net_neigh_vars_table[] = {
	{ CTL_INT,	NET_NEIGH_MCAST_SOLICIT,	"mcast_solicit" },
	{ CTL_INT,	NET_NEIGH_UCAST_SOLICIT,	"ucast_solicit" },
	{ CTL_INT,	NET_NEIGH_APP_SOLICIT,		"app_solicit" },
	/* NET_NEIGH_RETRANS_TIME "retrans_time" no longer used */
	{ CTL_INT,	NET_NEIGH_REACHABLE_TIME,	"base_reachable_time" },
	{ CTL_INT,	NET_NEIGH_DELAY_PROBE_TIME,	"delay_first_probe_time" },
	{ CTL_INT,	NET_NEIGH_GC_STALE_TIME,	"gc_stale_time" },
	{ CTL_INT,	NET_NEIGH_UNRES_QLEN,		"unres_qlen" },
	{ CTL_INT,	NET_NEIGH_PROXY_QLEN,		"proxy_qlen" },
	/* NET_NEIGH_ANYCAST_DELAY "anycast_delay" no longer used */
	/* NET_NEIGH_PROXY_DELAY "proxy_delay" no longer used */
	/* NET_NEIGH_LOCKTIME "locktime" no longer used */
	{ CTL_INT,	NET_NEIGH_GC_INTERVAL,		"gc_interval" },
	{ CTL_INT,	NET_NEIGH_GC_THRESH1,		"gc_thresh1" },
	{ CTL_INT,	NET_NEIGH_GC_THRESH2,		"gc_thresh2" },
	{ CTL_INT,	NET_NEIGH_GC_THRESH3,		"gc_thresh3" },
	{ CTL_INT,	NET_NEIGH_RETRANS_TIME_MS,	"retrans_time_ms" },
	{ CTL_INT,	NET_NEIGH_REACHABLE_TIME_MS,	"base_reachable_time_ms" },
	{}
};

static const struct bin_table bin_net_neigh_table[] = {
	{ CTL_DIR,	NET_PROTO_CONF_DEFAULT, "default", bin_net_neigh_vars_table },
	{ CTL_DIR,	0, NULL, bin_net_neigh_vars_table },
	{}
};

static const struct bin_table bin_net_ipv4_netfilter_table[] = {
	{ CTL_INT,	NET_IPV4_NF_CONNTRACK_MAX,		"ip_conntrack_max" },

	/* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT "ip_conntrack_tcp_timeout_syn_sent" no longer used */
	/* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV "ip_conntrack_tcp_timeout_syn_recv" no longer used */
	/* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED "ip_conntrack_tcp_timeout_established" no longer used */
	/* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT "ip_conntrack_tcp_timeout_fin_wait" no longer used */
	/* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT	"ip_conntrack_tcp_timeout_close_wait" no longer used */
	/* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK "ip_conntrack_tcp_timeout_last_ack" no longer used */
	/* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT "ip_conntrack_tcp_timeout_time_wait" no longer used */
	/* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE "ip_conntrack_tcp_timeout_close" no longer used */

	/* NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT "ip_conntrack_udp_timeout" no longer used */
	/* NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM "ip_conntrack_udp_timeout_stream" no longer used */
	/* NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT "ip_conntrack_icmp_timeout" no longer used */
	/* NET_IPV4_NF_CONNTRACK_GENERIC_TIMEOUT "ip_conntrack_generic_timeout" no longer used */

	{ CTL_INT,	NET_IPV4_NF_CONNTRACK_BUCKETS,		"ip_conntrack_buckets" },
	{ CTL_INT,	NET_IPV4_NF_CONNTRACK_LOG_INVALID,	"ip_conntrack_log_invalid" },
	/* NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS "ip_conntrack_tcp_timeout_max_retrans" no longer used */
	{ CTL_INT,	NET_IPV4_NF_CONNTRACK_TCP_LOOSE,	"ip_conntrack_tcp_loose" },
	{ CTL_INT,	NET_IPV4_NF_CONNTRACK_TCP_BE_LIBERAL,	"ip_conntrack_tcp_be_liberal" },
	{ CTL_INT,	NET_IPV4_NF_CONNTRACK_TCP_MAX_RETRANS,	"ip_conntrack_tcp_max_retrans" },

	/* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED "ip_conntrack_sctp_timeout_closed" no longer used */
	/* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT "ip_conntrack_sctp_timeout_cookie_wait" no longer used */
	/* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED "ip_conntrack_sctp_timeout_cookie_echoed" no longer used */
	/* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED "ip_conntrack_sctp_timeout_established" no longer used */
	/* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT "ip_conntrack_sctp_timeout_shutdown_sent" no longer used */
	/* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD "ip_conntrack_sctp_timeout_shutdown_recd" no longer used */
	/* NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT "ip_conntrack_sctp_timeout_shutdown_ack_sent" no longer used */

	{ CTL_INT,	NET_IPV4_NF_CONNTRACK_COUNT,		"ip_conntrack_count" },
	{ CTL_INT,	NET_IPV4_NF_CONNTRACK_CHECKSUM,		"ip_conntrack_checksum" },
	{}
};

static const struct bin_table bin_net_ipv4_table[] = {
	{CTL_INT,	NET_IPV4_FORWARD,			"ip_forward" },

	{ CTL_DIR,	NET_IPV4_CONF,		"conf",		bin_net_ipv4_conf_table },
	{ CTL_DIR,	NET_IPV4_NEIGH,		"neigh",	bin_net_neigh_table },
	{ CTL_DIR,	NET_IPV4_ROUTE,		"route",	bin_net_ipv4_route_table },
	/* NET_IPV4_FIB_HASH unused */
	{ CTL_DIR,	NET_IPV4_NETFILTER,	"netfilter",	bin_net_ipv4_netfilter_table },

	{ CTL_INT,	NET_IPV4_TCP_TIMESTAMPS,		"tcp_timestamps" },
	{ CTL_INT,	NET_IPV4_TCP_WINDOW_SCALING,		"tcp_window_scaling" },
	{ CTL_INT,	NET_IPV4_TCP_SACK,			"tcp_sack" },
	{ CTL_INT,	NET_IPV4_TCP_RETRANS_COLLAPSE,		"tcp_retrans_collapse" },
	{ CTL_INT,	NET_IPV4_DEFAULT_TTL,			"ip_default_ttl" },
	/* NET_IPV4_AUTOCONFIG unused */
	{ CTL_INT,	NET_IPV4_NO_PMTU_DISC,			"ip_no_pmtu_disc" },
	{ CTL_INT,	NET_IPV4_NONLOCAL_BIND,			"ip_nonlocal_bind" },
	{ CTL_INT,	NET_IPV4_TCP_SYN_RETRIES,		"tcp_syn_retries" },
	{ CTL_INT,	NET_TCP_SYNACK_RETRIES,			"tcp_synack_retries" },
	{ CTL_INT,	NET_TCP_MAX_ORPHANS,			"tcp_max_orphans" },
	{ CTL_INT,	NET_TCP_MAX_TW_BUCKETS,			"tcp_max_tw_buckets" },
	{ CTL_INT,	NET_IPV4_DYNADDR,			"ip_dynaddr" },
	{ CTL_INT,	NET_IPV4_TCP_KEEPALIVE_TIME,		"tcp_keepalive_time" },
	{ CTL_INT,	NET_IPV4_TCP_KEEPALIVE_PROBES,		"tcp_keepalive_probes" },
	{ CTL_INT,	NET_IPV4_TCP_KEEPALIVE_INTVL,		"tcp_keepalive_intvl" },
	{ CTL_INT,	NET_IPV4_TCP_RETRIES1,			"tcp_retries1" },
	{ CTL_INT,	NET_IPV4_TCP_RETRIES2,			"tcp_retries2" },
	{ CTL_INT,	NET_IPV4_TCP_FIN_TIMEOUT,		"tcp_fin_timeout" },
	{ CTL_INT,	NET_TCP_SYNCOOKIES,			"tcp_syncookies" },
	{ CTL_INT,	NET_TCP_TW_RECYCLE,			"tcp_tw_recycle" },
	{ CTL_INT,	NET_TCP_ABORT_ON_OVERFLOW,		"tcp_abort_on_overflow" },
	{ CTL_INT,	NET_TCP_STDURG,				"tcp_stdurg" },
	{ CTL_INT,	NET_TCP_RFC1337,			"tcp_rfc1337" },
	{ CTL_INT,	NET_TCP_MAX_SYN_BACKLOG,		"tcp_max_syn_backlog" },
	{ CTL_INT,	NET_IPV4_LOCAL_PORT_RANGE,		"ip_local_port_range" },
	{ CTL_INT,	NET_IPV4_IGMP_MAX_MEMBERSHIPS,		"igmp_max_memberships" },
	{ CTL_INT,	NET_IPV4_IGMP_MAX_MSF,			"igmp_max_msf" },
	{ CTL_INT,	NET_IPV4_INET_PEER_THRESHOLD,		"inet_peer_threshold" },
	{ CTL_INT,	NET_IPV4_INET_PEER_MINTTL,		"inet_peer_minttl" },
	{ CTL_INT,	NET_IPV4_INET_PEER_MAXTTL,		"inet_peer_maxttl" },
	{ CTL_INT,	NET_IPV4_INET_PEER_GC_MINTIME,		"inet_peer_gc_mintime" },
	{ CTL_INT,	NET_IPV4_INET_PEER_GC_MAXTIME,		"inet_peer_gc_maxtime" },
	{ CTL_INT,	NET_TCP_ORPHAN_RETRIES,			"tcp_orphan_retries" },
	{ CTL_INT,	NET_TCP_FACK,				"tcp_fack" },
	{ CTL_INT,	NET_TCP_REORDERING,			"tcp_reordering" },
	{ CTL_INT,	NET_TCP_ECN,				"tcp_ecn" },
	{ CTL_INT,	NET_TCP_DSACK,				"tcp_dsack" },
	{ CTL_INT,	NET_TCP_MEM,				"tcp_mem" },
	{ CTL_INT,	NET_TCP_WMEM,				"tcp_wmem" },
	{ CTL_INT,	NET_TCP_RMEM,				"tcp_rmem" },
	{ CTL_INT,	NET_TCP_APP_WIN,			"tcp_app_win" },
	{ CTL_INT,	NET_TCP_ADV_WIN_SCALE,			"tcp_adv_win_scale" },
	{ CTL_INT,	NET_TCP_TW_REUSE,			"tcp_tw_reuse" },
	{ CTL_INT,	NET_TCP_FRTO,				"tcp_frto" },
	{ CTL_INT,	NET_TCP_FRTO_RESPONSE,			"tcp_frto_response" },
	{ CTL_INT,	NET_TCP_LOW_LATENCY,			"tcp_low_latency" },
	{ CTL_INT,	NET_TCP_NO_METRICS_SAVE,		"tcp_no_metrics_save" },
	{ CTL_INT,	NET_TCP_MODERATE_RCVBUF,		"tcp_moderate_rcvbuf" },
	{ CTL_INT,	NET_TCP_TSO_WIN_DIVISOR,		"tcp_tso_win_divisor" },
	{ CTL_STR,	NET_TCP_CONG_CONTROL,			"tcp_congestion_control" },
	{ CTL_INT,	NET_TCP_ABC,				"tcp_abc" },
	{ CTL_INT,	NET_TCP_MTU_PROBING,			"tcp_mtu_probing" },
	{ CTL_INT,	NET_TCP_BASE_MSS,			"tcp_base_mss" },
	{ CTL_INT,	NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,	"tcp_workaround_signed_windows" },
	{ CTL_INT,	NET_TCP_DMA_COPYBREAK,			"tcp_dma_copybreak" },
	{ CTL_INT,	NET_TCP_SLOW_START_AFTER_IDLE,		"tcp_slow_start_after_idle" },
	{ CTL_INT,	NET_CIPSOV4_CACHE_ENABLE,		"cipso_cache_enable" },
	{ CTL_INT,	NET_CIPSOV4_CACHE_BUCKET_SIZE,		"cipso_cache_bucket_size" },
	{ CTL_INT,	NET_CIPSOV4_RBM_OPTFMT,			"cipso_rbm_optfmt" },
	{ CTL_INT,	NET_CIPSOV4_RBM_STRICTVALID,		"cipso_rbm_strictvalid" },
	/* NET_TCP_AVAIL_CONG_CONTROL "tcp_available_congestion_control" no longer used */
	{ CTL_STR,	NET_TCP_ALLOWED_CONG_CONTROL,		"tcp_allowed_congestion_control" },
	{ CTL_INT,	NET_TCP_MAX_SSTHRESH,			"tcp_max_ssthresh" },

	{ CTL_INT,	NET_IPV4_ICMP_ECHO_IGNORE_ALL,		"icmp_echo_ignore_all" },
	{ CTL_INT,	NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,	"icmp_echo_ignore_broadcasts" },
	{ CTL_INT,	NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,	"icmp_ignore_bogus_error_responses" },
	{ CTL_INT,	NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,	"icmp_errors_use_inbound_ifaddr" },
	{ CTL_INT,	NET_IPV4_ICMP_RATELIMIT,		"icmp_ratelimit" },
	{ CTL_INT,	NET_IPV4_ICMP_RATEMASK,			"icmp_ratemask" },

	{ CTL_INT,	NET_IPV4_IPFRAG_HIGH_THRESH,		"ipfrag_high_thresh" },
	{ CTL_INT,	NET_IPV4_IPFRAG_LOW_THRESH,		"ipfrag_low_thresh" },
	{ CTL_INT,	NET_IPV4_IPFRAG_TIME,			"ipfrag_time" },

	{ CTL_INT,	NET_IPV4_IPFRAG_SECRET_INTERVAL,	"ipfrag_secret_interval" },
	/* NET_IPV4_IPFRAG_MAX_DIST "ipfrag_max_dist" no longer used */

	{ CTL_INT,	2088 /* NET_IPQ_QMAX */,		"ip_queue_maxlen" },

	/* NET_TCP_DEFAULT_WIN_SCALE unused */
	/* NET_TCP_BIC_BETA unused */
	/* NET_IPV4_TCP_MAX_KA_PROBES unused */
	/* NET_IPV4_IP_MASQ_DEBUG unused */
	/* NET_TCP_SYN_TAILDROP unused */
	/* NET_IPV4_ICMP_SOURCEQUENCH_RATE unused */
	/* NET_IPV4_ICMP_DESTUNREACH_RATE unused */
	/* NET_IPV4_ICMP_TIMEEXCEED_RATE unused */
	/* NET_IPV4_ICMP_PARAMPROB_RATE unused */
	/* NET_IPV4_ICMP_ECHOREPLY_RATE unused */
	/* NET_IPV4_ALWAYS_DEFRAG unused */
	{}
};

static const struct bin_table bin_net_ipx_table[] = {
	{ CTL_INT,	NET_IPX_PPROP_BROADCASTING,	"ipx_pprop_broadcasting" },
	/* NET_IPX_FORWARDING unused */
	{}
};

static const struct bin_table bin_net_atalk_table[] = {
	{ CTL_INT,	NET_ATALK_AARP_EXPIRY_TIME,		"aarp-expiry-time" },
	{ CTL_INT,	NET_ATALK_AARP_TICK_TIME,		"aarp-tick-time" },
	{ CTL_INT,	NET_ATALK_AARP_RETRANSMIT_LIMIT,	"aarp-retransmit-limit" },
	{ CTL_INT,	NET_ATALK_AARP_RESOLVE_TIME,		"aarp-resolve-time" },
	{},
};

static const struct bin_table bin_net_netrom_table[] = {
	{ CTL_INT,	NET_NETROM_DEFAULT_PATH_QUALITY,		"default_path_quality" },
	{ CTL_INT,	NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER,	"obsolescence_count_initialiser" },
	{ CTL_INT,	NET_NETROM_NETWORK_TTL_INITIALISER,		"network_ttl_initialiser" },
	{ CTL_INT,	NET_NETROM_TRANSPORT_TIMEOUT,			"transport_timeout" },
	{ CTL_INT,	NET_NETROM_TRANSPORT_MAXIMUM_TRIES,		"transport_maximum_tries" },
	{ CTL_INT,	NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY,		"transport_acknowledge_delay" },
	{ CTL_INT,	NET_NETROM_TRANSPORT_BUSY_DELAY,		"transport_busy_delay" },
	{ CTL_INT,	NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE,	"transport_requested_window_size" },
	{ CTL_INT,	NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT,	"transport_no_activity_timeout" },
	{ CTL_INT,	NET_NETROM_ROUTING_CONTROL,			"routing_control" },
	{ CTL_INT,	NET_NETROM_LINK_FAILS_COUNT,			"link_fails_count" },
	{ CTL_INT,	NET_NETROM_RESET,				"reset" },
	{}
};

static const struct bin_table bin_net_ax25_param_table[] = {
	{ CTL_INT,	NET_AX25_IP_DEFAULT_MODE,	"ip_default_mode" },
	{ CTL_INT,	NET_AX25_DEFAULT_MODE,		"ax25_default_mode" },
	{ CTL_INT,	NET_AX25_BACKOFF_TYPE,		"backoff_type" },
	{ CTL_INT,	NET_AX25_CONNECT_MODE,		"connect_mode" },
	{ CTL_INT,	NET_AX25_STANDARD_WINDOW,	"standard_window_size" },
	{ CTL_INT,	NET_AX25_EXTENDED_WINDOW,	"extended_window_size" },
	{ CTL_INT,	NET_AX25_T1_TIMEOUT,		"t1_timeout" },
	{ CTL_INT,	NET_AX25_T2_TIMEOUT,		"t2_timeout" },
	{ CTL_INT,	NET_AX25_T3_TIMEOUT,		"t3_timeout" },
	{ CTL_INT,	NET_AX25_IDLE_TIMEOUT,		"idle_timeout" },
	{ CTL_INT,	NET_AX25_N2,			"maximum_retry_count" },
	{ CTL_INT,	NET_AX25_PACLEN,		"maximum_packet_length" },
	{ CTL_INT,	NET_AX25_PROTOCOL,		"protocol" },
	{ CTL_INT,	NET_AX25_DAMA_SLAVE_TIMEOUT,	"dama_slave_timeout" },
	{}
};

static const struct bin_table bin_net_ax25_table[] = {
	{ CTL_DIR,	0, NULL, bin_net_ax25_param_table },
	{}
};

static const struct bin_table bin_net_rose_table[] = {
	{ CTL_INT,	NET_ROSE_RESTART_REQUEST_TIMEOUT,	"restart_request_timeout" },
	{ CTL_INT,	NET_ROSE_CALL_REQUEST_TIMEOUT,		"call_request_timeout" },
	{ CTL_INT,	NET_ROSE_RESET_REQUEST_TIMEOUT,		"reset_request_timeout" },
	{ CTL_INT,	NET_ROSE_CLEAR_REQUEST_TIMEOUT,		"clear_request_timeout" },
	{ CTL_INT,	NET_ROSE_ACK_HOLD_BACK_TIMEOUT,		"acknowledge_hold_back_timeout" },
	{ CTL_INT,	NET_ROSE_ROUTING_CONTROL,		"routing_control" },
	{ CTL_INT,	NET_ROSE_LINK_FAIL_TIMEOUT,		"link_fail_timeout" },
	{ CTL_INT,	NET_ROSE_MAX_VCS,			"maximum_virtual_circuits" },
	{ CTL_INT,	NET_ROSE_WINDOW_SIZE,			"window_size" },
	{ CTL_INT,	NET_ROSE_NO_ACTIVITY_TIMEOUT,		"no_activity_timeout" },
	{}
};

static const struct bin_table bin_net_ipv6_conf_var_table[] = {
	{ CTL_INT,	NET_IPV6_FORWARDING,			"forwarding" },
	{ CTL_INT,	NET_IPV6_HOP_LIMIT,			"hop_limit" },
	{ CTL_INT,	NET_IPV6_MTU,				"mtu" },
	{ CTL_INT,	NET_IPV6_ACCEPT_RA,			"accept_ra" },
	{ CTL_INT,	NET_IPV6_ACCEPT_REDIRECTS,		"accept_redirects" },
	{ CTL_INT,	NET_IPV6_AUTOCONF,			"autoconf" },
	{ CTL_INT,	NET_IPV6_DAD_TRANSMITS,			"dad_transmits" },
	{ CTL_INT,	NET_IPV6_RTR_SOLICITS,			"router_solicitations" },
	{ CTL_INT,	NET_IPV6_RTR_SOLICIT_INTERVAL,		"router_solicitation_interval" },
	{ CTL_INT,	NET_IPV6_RTR_SOLICIT_DELAY,		"router_solicitation_delay" },
	{ CTL_INT,	NET_IPV6_USE_TEMPADDR,			"use_tempaddr" },
	{ CTL_INT,	NET_IPV6_TEMP_VALID_LFT,		"temp_valid_lft" },
	{ CTL_INT,	NET_IPV6_TEMP_PREFERED_LFT,		"temp_prefered_lft" },
	{ CTL_INT,	NET_IPV6_REGEN_MAX_RETRY,		"regen_max_retry" },
	{ CTL_INT,	NET_IPV6_MAX_DESYNC_FACTOR,		"max_desync_factor" },
	{ CTL_INT,	NET_IPV6_MAX_ADDRESSES,			"max_addresses" },
	{ CTL_INT,	NET_IPV6_FORCE_MLD_VERSION,		"force_mld_version" },
	{ CTL_INT,	NET_IPV6_ACCEPT_RA_DEFRTR,		"accept_ra_defrtr" },
	{ CTL_INT,	NET_IPV6_ACCEPT_RA_PINFO,		"accept_ra_pinfo" },
	{ CTL_INT,	NET_IPV6_ACCEPT_RA_RTR_PREF,		"accept_ra_rtr_pref" },
	{ CTL_INT,	NET_IPV6_RTR_PROBE_INTERVAL,		"router_probe_interval" },
	{ CTL_INT,	NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN,	"accept_ra_rt_info_max_plen" },
	{ CTL_INT,	NET_IPV6_PROXY_NDP,			"proxy_ndp" },
	{ CTL_INT,	NET_IPV6_ACCEPT_SOURCE_ROUTE,		"accept_source_route" },
	{}
};

static const struct bin_table bin_net_ipv6_conf_table[] = {
	{ CTL_DIR,	NET_PROTO_CONF_ALL,		"all",	bin_net_ipv6_conf_var_table },
	{ CTL_DIR,	NET_PROTO_CONF_DEFAULT, 	"default", bin_net_ipv6_conf_var_table },
	{ CTL_DIR,	0, NULL, bin_net_ipv6_conf_var_table },
	{}
};

static const struct bin_table bin_net_ipv6_route_table[] = {
	/* NET_IPV6_ROUTE_FLUSH	"flush"  no longer used */
	{ CTL_INT,	NET_IPV6_ROUTE_GC_THRESH,		"gc_thresh" },
	{ CTL_INT,	NET_IPV6_ROUTE_MAX_SIZE,		"max_size" },
	{ CTL_INT,	NET_IPV6_ROUTE_GC_MIN_INTERVAL,		"gc_min_interval" },
	{ CTL_INT,	NET_IPV6_ROUTE_GC_TIMEOUT,		"gc_timeout" },
	{ CTL_INT,	NET_IPV6_ROUTE_GC_INTERVAL,		"gc_interval" },
	{ CTL_INT,	NET_IPV6_ROUTE_GC_ELASTICITY,		"gc_elasticity" },
	{ CTL_INT,	NET_IPV6_ROUTE_MTU_EXPIRES,		"mtu_expires" },
	{ CTL_INT,	NET_IPV6_ROUTE_MIN_ADVMSS,		"min_adv_mss" },
	{ CTL_INT,	NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,	"gc_min_interval_ms" },
	{}
};

static const struct bin_table bin_net_ipv6_icmp_table[] = {
	{ CTL_INT,	NET_IPV6_ICMP_RATELIMIT,	"ratelimit" },
	{}
};

static const struct bin_table bin_net_ipv6_table[] = {
	{ CTL_DIR,	NET_IPV6_CONF,		"conf",		bin_net_ipv6_conf_table },
	{ CTL_DIR,	NET_IPV6_NEIGH,		"neigh",	bin_net_neigh_table },
	{ CTL_DIR,	NET_IPV6_ROUTE,		"route",	bin_net_ipv6_route_table },
	{ CTL_DIR,	NET_IPV6_ICMP,		"icmp",		bin_net_ipv6_icmp_table },
	{ CTL_INT,	NET_IPV6_BINDV6ONLY,		"bindv6only" },
	{ CTL_INT,	NET_IPV6_IP6FRAG_HIGH_THRESH,	"ip6frag_high_thresh" },
	{ CTL_INT,	NET_IPV6_IP6FRAG_LOW_THRESH,	"ip6frag_low_thresh" },
	{ CTL_INT,	NET_IPV6_IP6FRAG_TIME,		"ip6frag_time" },
	{ CTL_INT,	NET_IPV6_IP6FRAG_SECRET_INTERVAL,	"ip6frag_secret_interval" },
	{ CTL_INT,	NET_IPV6_MLD_MAX_MSF,		"mld_max_msf" },
	{ CTL_INT,	2088 /* IPQ_QMAX */,		"ip6_queue_maxlen" },
	{}
};

static const struct bin_table bin_net_x25_table[] = {
	{ CTL_INT,	NET_X25_RESTART_REQUEST_TIMEOUT,	"restart_request_timeout" },
	{ CTL_INT,	NET_X25_CALL_REQUEST_TIMEOUT,		"call_request_timeout" },
	{ CTL_INT,	NET_X25_RESET_REQUEST_TIMEOUT,	"reset_request_timeout" },
	{ CTL_INT,	NET_X25_CLEAR_REQUEST_TIMEOUT,	"clear_request_timeout" },
	{ CTL_INT,	NET_X25_ACK_HOLD_BACK_TIMEOUT,	"acknowledgement_hold_back_timeout" },
	{ CTL_INT,	NET_X25_FORWARD,			"x25_forward" },
	{}
};

static const struct bin_table bin_net_tr_table[] = {
	{ CTL_INT,	NET_TR_RIF_TIMEOUT,	"rif_timeout" },
	{}
};


static const struct bin_table bin_net_decnet_conf_vars[] = {
	{ CTL_INT,	NET_DECNET_CONF_DEV_FORWARDING,	"forwarding" },
	{ CTL_INT,	NET_DECNET_CONF_DEV_PRIORITY,	"priority" },
	{ CTL_INT,	NET_DECNET_CONF_DEV_T2,		"t2" },
	{ CTL_INT,	NET_DECNET_CONF_DEV_T3,		"t3" },
	{}
};

static const struct bin_table bin_net_decnet_conf[] = {
	{ CTL_DIR, NET_DECNET_CONF_ETHER,    "ethernet", bin_net_decnet_conf_vars },
	{ CTL_DIR, NET_DECNET_CONF_GRE,	     "ipgre",    bin_net_decnet_conf_vars },
	{ CTL_DIR, NET_DECNET_CONF_X25,	     "x25",      bin_net_decnet_conf_vars },
	{ CTL_DIR, NET_DECNET_CONF_PPP,	     "ppp",      bin_net_decnet_conf_vars },
	{ CTL_DIR, NET_DECNET_CONF_DDCMP,    "ddcmp",    bin_net_decnet_conf_vars },
	{ CTL_DIR, NET_DECNET_CONF_LOOPBACK, "loopback", bin_net_decnet_conf_vars },
	{ CTL_DIR, 0,			     NULL,	 bin_net_decnet_conf_vars },
	{}
};

static const struct bin_table bin_net_decnet_table[] = {
	{ CTL_DIR,	NET_DECNET_CONF,		"conf",	bin_net_decnet_conf },
	{ CTL_DNADR,	NET_DECNET_NODE_ADDRESS,	"node_address" },
	{ CTL_STR,	NET_DECNET_NODE_NAME,		"node_name" },
	{ CTL_STR,	NET_DECNET_DEFAULT_DEVICE,	"default_device" },
	{ CTL_INT,	NET_DECNET_TIME_WAIT,		"time_wait" },
	{ CTL_INT,	NET_DECNET_DN_COUNT,		"dn_count" },
	{ CTL_INT,	NET_DECNET_DI_COUNT,		"di_count" },
	{ CTL_INT,	NET_DECNET_DR_COUNT,		"dr_count" },
	{ CTL_INT,	NET_DECNET_DST_GC_INTERVAL,	"dst_gc_interval" },
	{ CTL_INT,	NET_DECNET_NO_FC_MAX_CWND,	"no_fc_max_cwnd" },
	{ CTL_INT,	NET_DECNET_MEM,		"decnet_mem" },
	{ CTL_INT,	NET_DECNET_RMEM,		"decnet_rmem" },
	{ CTL_INT,	NET_DECNET_WMEM,		"decnet_wmem" },
	{ CTL_INT,	NET_DECNET_DEBUG_LEVEL,	"debug" },
	{}
};

static const struct bin_table bin_net_sctp_table[] = {
	{ CTL_INT,	NET_SCTP_RTO_INITIAL,		"rto_initial" },
	{ CTL_INT,	NET_SCTP_RTO_MIN,		"rto_min" },
	{ CTL_INT,	NET_SCTP_RTO_MAX,		"rto_max" },
	{ CTL_INT,	NET_SCTP_RTO_ALPHA,		"rto_alpha_exp_divisor" },
	{ CTL_INT,	NET_SCTP_RTO_BETA,		"rto_beta_exp_divisor" },
	{ CTL_INT,	NET_SCTP_VALID_COOKIE_LIFE,	"valid_cookie_life" },
	{ CTL_INT,	NET_SCTP_ASSOCIATION_MAX_RETRANS,	"association_max_retrans" },
	{ CTL_INT,	NET_SCTP_PATH_MAX_RETRANS,	"path_max_retrans" },
	{ CTL_INT,	NET_SCTP_MAX_INIT_RETRANSMITS,	"max_init_retransmits" },
	{ CTL_INT,	NET_SCTP_HB_INTERVAL,		"hb_interval" },
	{ CTL_INT,	NET_SCTP_PRESERVE_ENABLE,	"cookie_preserve_enable" },
	{ CTL_INT,	NET_SCTP_MAX_BURST,		"max_burst" },
	{ CTL_INT,	NET_SCTP_ADDIP_ENABLE,		"addip_enable" },
	{ CTL_INT,	NET_SCTP_PRSCTP_ENABLE,		"prsctp_enable" },
	{ CTL_INT,	NET_SCTP_SNDBUF_POLICY,		"sndbuf_policy" },
	{ CTL_INT,	NET_SCTP_SACK_TIMEOUT,		"sack_timeout" },
	{ CTL_INT,	NET_SCTP_RCVBUF_POLICY,		"rcvbuf_policy" },
	{}
};

static const struct bin_table bin_net_llc_llc2_timeout_table[] = {
	{ CTL_INT,	NET_LLC2_ACK_TIMEOUT,	"ack" },
	{ CTL_INT,	NET_LLC2_P_TIMEOUT,	"p" },
	{ CTL_INT,	NET_LLC2_REJ_TIMEOUT,	"rej" },
	{ CTL_INT,	NET_LLC2_BUSY_TIMEOUT,	"busy" },
	{}
};

static const struct bin_table bin_net_llc_station_table[] = {
	{ CTL_INT,	NET_LLC_STATION_ACK_TIMEOUT,	"ack_timeout" },
	{}
};

static const struct bin_table bin_net_llc_llc2_table[] = {
	{ CTL_DIR,	NET_LLC2,		"timeout",	bin_net_llc_llc2_timeout_table },
	{}
};

static const struct bin_table bin_net_llc_table[] = {
	{ CTL_DIR,	NET_LLC2,		"llc2",		bin_net_llc_llc2_table },
	{ CTL_DIR,	NET_LLC_STATION,	"station",	bin_net_llc_station_table },
	{}
};

static const struct bin_table bin_net_netfilter_table[] = {
	{ CTL_INT,	NET_NF_CONNTRACK_MAX,			"nf_conntrack_max" },
	/* NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT "nf_conntrack_tcp_timeout_syn_sent" no longer used */
	/* NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV "nf_conntrack_tcp_timeout_syn_recv" no longer used */
	/* NET_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED "nf_conntrack_tcp_timeout_established" no longer used */
	/* NET_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT "nf_conntrack_tcp_timeout_fin_wait" no longer used */
	/* NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT "nf_conntrack_tcp_timeout_close_wait" no longer used */
	/* NET_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK "nf_conntrack_tcp_timeout_last_ack" no longer used */
	/* NET_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT "nf_conntrack_tcp_timeout_time_wait" no longer used */
	/* NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE "nf_conntrack_tcp_timeout_close" no longer used */
	/* NET_NF_CONNTRACK_UDP_TIMEOUT	"nf_conntrack_udp_timeout" no longer used */
	/* NET_NF_CONNTRACK_UDP_TIMEOUT_STREAM "nf_conntrack_udp_timeout_stream" no longer used */
	/* NET_NF_CONNTRACK_ICMP_TIMEOUT "nf_conntrack_icmp_timeout" no longer used */
	/* NET_NF_CONNTRACK_GENERIC_TIMEOUT "nf_conntrack_generic_timeout" no longer used */
	{ CTL_INT,	NET_NF_CONNTRACK_BUCKETS,		"nf_conntrack_buckets" },
	{ CTL_INT,	NET_NF_CONNTRACK_LOG_INVALID,		"nf_conntrack_log_invalid" },
	/* NET_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS "nf_conntrack_tcp_timeout_max_retrans" no longer used */
	{ CTL_INT,	NET_NF_CONNTRACK_TCP_LOOSE,		"nf_conntrack_tcp_loose" },
	{ CTL_INT,	NET_NF_CONNTRACK_TCP_BE_LIBERAL,	"nf_conntrack_tcp_be_liberal" },
	{ CTL_INT,	NET_NF_CONNTRACK_TCP_MAX_RETRANS,	"nf_conntrack_tcp_max_retrans" },
	/* NET_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED "nf_conntrack_sctp_timeout_closed" no longer used */
	/* NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT "nf_conntrack_sctp_timeout_cookie_wait" no longer used */
	/* NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED "nf_conntrack_sctp_timeout_cookie_echoed" no longer used */
	/* NET_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED "nf_conntrack_sctp_timeout_established" no longer used */
	/* NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT "nf_conntrack_sctp_timeout_shutdown_sent" no longer used */
	/* NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD "nf_conntrack_sctp_timeout_shutdown_recd" no longer used */
	/* NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT "nf_conntrack_sctp_timeout_shutdown_ack_sent" no longer used */
	{ CTL_INT,	NET_NF_CONNTRACK_COUNT,			"nf_conntrack_count" },
	/* NET_NF_CONNTRACK_ICMPV6_TIMEOUT "nf_conntrack_icmpv6_timeout" no longer used */
	/* NET_NF_CONNTRACK_FRAG6_TIMEOUT "nf_conntrack_frag6_timeout" no longer used */
	{ CTL_INT,	NET_NF_CONNTRACK_FRAG6_LOW_THRESH,	"nf_conntrack_frag6_low_thresh" },
	{ CTL_INT,	NET_NF_CONNTRACK_FRAG6_HIGH_THRESH,	"nf_conntrack_frag6_high_thresh" },
	{ CTL_INT,	NET_NF_CONNTRACK_CHECKSUM,		"nf_conntrack_checksum" },

	{}
};

static const struct bin_table bin_net_irda_table[] = {
	{ CTL_INT,	NET_IRDA_DISCOVERY,		"discovery" },
	{ CTL_STR,	NET_IRDA_DEVNAME,		"devname" },
	{ CTL_INT,	NET_IRDA_DEBUG,			"debug" },
	{ CTL_INT,	NET_IRDA_FAST_POLL,		"fast_poll_increase" },
	{ CTL_INT,	NET_IRDA_DISCOVERY_SLOTS,	"discovery_slots" },
	{ CTL_INT,	NET_IRDA_DISCOVERY_TIMEOUT,	"discovery_timeout" },
	{ CTL_INT,	NET_IRDA_SLOT_TIMEOUT,		"slot_timeout" },
	{ CTL_INT,	NET_IRDA_MAX_BAUD_RATE,		"max_baud_rate" },
	{ CTL_INT,	NET_IRDA_MIN_TX_TURN_TIME,	"min_tx_turn_time" },
	{ CTL_INT,	NET_IRDA_MAX_TX_DATA_SIZE,	"max_tx_data_size" },
	{ CTL_INT,	NET_IRDA_MAX_TX_WINDOW,		"max_tx_window" },
	{ CTL_INT,	NET_IRDA_MAX_NOREPLY_TIME,	"max_noreply_time" },
	{ CTL_INT,	NET_IRDA_WARN_NOREPLY_TIME,	"warn_noreply_time" },
	{ CTL_INT,	NET_IRDA_LAP_KEEPALIVE_TIME,	"lap_keepalive_time" },
	{}
};

static const struct bin_table bin_net_table[] = {
	{ CTL_DIR,	NET_CORE,		"core",		bin_net_core_table },
	/* NET_ETHER not used */
	/* NET_802 not used */
	{ CTL_DIR,	NET_UNIX,		"unix",		bin_net_unix_table },
	{ CTL_DIR,	NET_IPV4,		"ipv4",		bin_net_ipv4_table },
	{ CTL_DIR,	NET_IPX,		"ipx",		bin_net_ipx_table },
	{ CTL_DIR,	NET_ATALK,		"appletalk",	bin_net_atalk_table },
	{ CTL_DIR,	NET_NETROM,		"netrom",	bin_net_netrom_table },
	{ CTL_DIR,	NET_AX25,		"ax25",		bin_net_ax25_table },
	/*  NET_BRIDGE "bridge" no longer used */
	{ CTL_DIR,	NET_ROSE,		"rose",		bin_net_rose_table },
	{ CTL_DIR,	NET_IPV6,		"ipv6",		bin_net_ipv6_table },
	{ CTL_DIR,	NET_X25,		"x25",		bin_net_x25_table },
	{ CTL_DIR,	NET_TR,			"token-ring",	bin_net_tr_table },
	{ CTL_DIR,	NET_DECNET,		"decnet",	bin_net_decnet_table },
	/*  NET_ECONET not used */
	{ CTL_DIR,	NET_SCTP,		"sctp",		bin_net_sctp_table },
	{ CTL_DIR,	NET_LLC,		"llc",		bin_net_llc_table },
	{ CTL_DIR,	NET_NETFILTER,		"netfilter",	bin_net_netfilter_table },
	/* NET_DCCP "dccp" no longer used */
	{ CTL_DIR,	NET_IRDA,		"irda",		bin_net_irda_table },
	{ CTL_INT,	2089,			"nf_conntrack_max" },
	{}
};

static const struct bin_table bin_fs_quota_table[] = {
	{ CTL_INT,	FS_DQ_LOOKUPS,		"lookups" },
	{ CTL_INT,	FS_DQ_DROPS,		"drops" },
	{ CTL_INT,	FS_DQ_READS,		"reads" },
	{ CTL_INT,	FS_DQ_WRITES,		"writes" },
	{ CTL_INT,	FS_DQ_CACHE_HITS,	"cache_hits" },
	{ CTL_INT,	FS_DQ_ALLOCATED,	"allocated_dquots" },
	{ CTL_INT,	FS_DQ_FREE,		"free_dquots" },
	{ CTL_INT,	FS_DQ_SYNCS,		"syncs" },
	{ CTL_INT,	FS_DQ_WARNINGS,		"warnings" },
	{}
};

static const struct bin_table bin_fs_xfs_table[] = {
	{ CTL_INT,	XFS_SGID_INHERIT,	"irix_sgid_inherit" },
	{ CTL_INT,	XFS_SYMLINK_MODE,	"irix_symlink_mode" },
	{ CTL_INT,	XFS_PANIC_MASK,		"panic_mask" },

	{ CTL_INT,	XFS_ERRLEVEL,		"error_level" },
	{ CTL_INT,	XFS_SYNCD_TIMER,	"xfssyncd_centisecs" },
	{ CTL_INT,	XFS_INHERIT_SYNC,	"inherit_sync" },
	{ CTL_INT,	XFS_INHERIT_NODUMP,	"inherit_nodump" },
	{ CTL_INT,	XFS_INHERIT_NOATIME,	"inherit_noatime" },
	{ CTL_INT,	XFS_BUF_TIMER,		"xfsbufd_centisecs" },
	{ CTL_INT,	XFS_BUF_AGE,		"age_buffer_centisecs" },
	{ CTL_INT,	XFS_INHERIT_NOSYM,	"inherit_nosymlinks" },
	{ CTL_INT,	XFS_ROTORSTEP,	"rotorstep" },
	{ CTL_INT,	XFS_INHERIT_NODFRG,	"inherit_nodefrag" },
	{ CTL_INT,	XFS_FILESTREAM_TIMER,	"filestream_centisecs" },
	{ CTL_INT,	XFS_STATS_CLEAR,	"stats_clear" },
	{}
};

static const struct bin_table bin_fs_ocfs2_nm_table[] = {
	{ CTL_STR,	1, "hb_ctl_path" },
	{}
};

static const struct bin_table bin_fs_ocfs2_table[] = {
	{ CTL_DIR,	1,	"nm",	bin_fs_ocfs2_nm_table },
	{}
};

static const struct bin_table bin_inotify_table[] = {
	{ CTL_INT,	INOTIFY_MAX_USER_INSTANCES,	"max_user_instances" },
	{ CTL_INT,	INOTIFY_MAX_USER_WATCHES,	"max_user_watches" },
	{ CTL_INT,	INOTIFY_MAX_QUEUED_EVENTS,	"max_queued_events" },
	{}
};

static const struct bin_table bin_fs_table[] = {
	{ CTL_INT,	FS_NRINODE,		"inode-nr" },
	{ CTL_INT,	FS_STATINODE,		"inode-state" },
	/* FS_MAXINODE unused */
	/* FS_NRDQUOT unused */
	/* FS_MAXDQUOT unused */
	/* FS_NRFILE "file-nr" no longer used */
	{ CTL_INT,	FS_MAXFILE,		"file-max" },
	{ CTL_INT,	FS_DENTRY,		"dentry-state" },
	/* FS_NRSUPER unused */
	/* FS_MAXUPSER unused */
	{ CTL_INT,	FS_OVERFLOWUID,		"overflowuid" },
	{ CTL_INT,	FS_OVERFLOWGID,		"overflowgid" },
	{ CTL_INT,	FS_LEASES,		"leases-enable" },
	{ CTL_INT,	FS_DIR_NOTIFY,		"dir-notify-enable" },
	{ CTL_INT,	FS_LEASE_TIME,		"lease-break-time" },
	{ CTL_DIR,	FS_DQSTATS,		"quota",	bin_fs_quota_table },
	{ CTL_DIR,	FS_XFS,			"xfs",		bin_fs_xfs_table },
	{ CTL_ULONG,	FS_AIO_NR,		"aio-nr" },
	{ CTL_ULONG,	FS_AIO_MAX_NR,		"aio-max-nr" },
	{ CTL_DIR,	FS_INOTIFY,		"inotify",	bin_inotify_table },
	{ CTL_DIR,	FS_OCFS2,		"ocfs2",	bin_fs_ocfs2_table },
	{ CTL_INT,	KERN_SETUID_DUMPABLE,	"suid_dumpable" },
	{}
};

static const struct bin_table bin_ipmi_table[] = {
	{ CTL_INT,	DEV_IPMI_POWEROFF_POWERCYCLE,	"poweroff_powercycle" },
	{}
};

static const struct bin_table bin_mac_hid_files[] = {
	/* DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES unused */
	/* DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES unused */
	{ CTL_INT,	DEV_MAC_HID_MOUSE_BUTTON_EMULATION,	"mouse_button_emulation" },
	{ CTL_INT,	DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE,	"mouse_button2_keycode" },
	{ CTL_INT,	DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE,	"mouse_button3_keycode" },
	/* DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES unused */
	{}
};

static const struct bin_table bin_raid_table[] = {
	{ CTL_INT,	DEV_RAID_SPEED_LIMIT_MIN,	"speed_limit_min" },
	{ CTL_INT,	DEV_RAID_SPEED_LIMIT_MAX,	"speed_limit_max" },
	{}
};

static const struct bin_table bin_scsi_table[] = {
	{ CTL_INT, DEV_SCSI_LOGGING_LEVEL, "logging_level" },
	{}
};

static const struct bin_table bin_dev_table[] = {
	/* DEV_CDROM	"cdrom" no longer used */
	/* DEV_HWMON unused */
	/* DEV_PARPORT	"parport" no longer used */
	{ CTL_DIR,	DEV_RAID,	"raid",		bin_raid_table },
	{ CTL_DIR,	DEV_MAC_HID,	"mac_hid",	bin_mac_hid_files },
	{ CTL_DIR,	DEV_SCSI,	"scsi",		bin_scsi_table },
	{ CTL_DIR,	DEV_IPMI,	"ipmi",		bin_ipmi_table },
	{}
};

static const struct bin_table bin_bus_isa_table[] = {
	{ CTL_INT,	BUS_ISA_MEM_BASE,	"membase" },
	{ CTL_INT,	BUS_ISA_PORT_BASE,	"portbase" },
	{ CTL_INT,	BUS_ISA_PORT_SHIFT,	"portshift" },
	{}
};

static const struct bin_table bin_bus_table[] = {
	{ CTL_DIR,	CTL_BUS_ISA,	"isa",	bin_bus_isa_table },
	{}
};


static const struct bin_table bin_s390dbf_table[] = {
	{ CTL_INT,	5678 /* CTL_S390DBF_STOPPABLE */, "debug_stoppable" },
	{ CTL_INT,	5679 /* CTL_S390DBF_ACTIVE */,	  "debug_active" },
	{}
};

static const struct bin_table bin_sunrpc_table[] = {
	/* CTL_RPCDEBUG	"rpc_debug"  no longer used */
	/* CTL_NFSDEBUG "nfs_debug"  no longer used */
	/* CTL_NFSDDEBUG "nfsd_debug" no longer used  */
	/* CTL_NLMDEBUG "nlm_debug" no longer used */

	{ CTL_INT,	CTL_SLOTTABLE_UDP,	"udp_slot_table_entries" },
	{ CTL_INT,	CTL_SLOTTABLE_TCP,	"tcp_slot_table_entries" },
	{ CTL_INT,	CTL_MIN_RESVPORT,	"min_resvport" },
	{ CTL_INT,	CTL_MAX_RESVPORT,	"max_resvport" },
	{}
};

static const struct bin_table bin_pm_table[] = {
	/* frv specific */
	/* 1 == CTL_PM_SUSPEND	"suspend"  no longer used" */
	{ CTL_INT,	2 /* CTL_PM_CMODE */,		"cmode" },
	{ CTL_INT,	3 /* CTL_PM_P0 */,		"p0" },
	{ CTL_INT,	4 /* CTL_PM_CM */,		"cm" },
	{}
};

static const struct bin_table bin_root_table[] = {
	{ CTL_DIR,	CTL_KERN,	"kernel",	bin_kern_table },
	{ CTL_DIR,	CTL_VM,		"vm",		bin_vm_table },
	{ CTL_DIR,	CTL_NET,	"net",		bin_net_table },
	/* CTL_PROC not used */
	{ CTL_DIR,	CTL_FS,		"fs",		bin_fs_table },
	/* CTL_DEBUG "debug" no longer used */
	{ CTL_DIR,	CTL_DEV,	"dev",		bin_dev_table },
	{ CTL_DIR,	CTL_BUS,	"bus",		bin_bus_table },
	{ CTL_DIR,	CTL_ABI,	"abi" },
	/* CTL_CPU not used */
	/* CTL_ARLAN "arlan" no longer used */
	{ CTL_DIR,	CTL_S390DBF,	"s390dbf",	bin_s390dbf_table },
	{ CTL_DIR,	CTL_SUNRPC,	"sunrpc",	bin_sunrpc_table },
	{ CTL_DIR,	CTL_PM,		"pm",		bin_pm_table },
	{}
};

static ssize_t bin_dir(struct file *file,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
	return -ENOTDIR;
}


static ssize_t bin_string(struct file *file,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
	ssize_t result, copied = 0;

	if (oldval && oldlen) {
		char __user *lastp;
		loff_t pos = 0;
		int ch;

		result = vfs_read(file, oldval, oldlen, &pos);
		if (result < 0)
			goto out;

		copied = result;
		lastp = oldval + copied - 1;

		result = -EFAULT;
		if (get_user(ch, lastp))
			goto out;

		/* Trim off the trailing newline */
		if (ch == '\n') {
			result = -EFAULT;
			if (put_user('\0', lastp))
				goto out;
			copied -= 1;
		}
	}

	if (newval && newlen) {
		loff_t pos = 0;

		result = vfs_write(file, newval, newlen, &pos);
		if (result < 0)
			goto out;
	}

	result = copied;
out:
	return result;
}

static ssize_t bin_intvec(struct file *file,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
	mm_segment_t old_fs = get_fs();
	ssize_t copied = 0;
	char *buffer;
	ssize_t result;

	result = -ENOMEM;
	buffer = kmalloc(BUFSZ, GFP_KERNEL);
	if (!buffer)
		goto out;

	if (oldval && oldlen) {
		unsigned __user *vec = oldval;
		size_t length = oldlen / sizeof(*vec);
		loff_t pos = 0;
		char *str, *end;
		int i;

		set_fs(KERNEL_DS);
		result = vfs_read(file, buffer, BUFSZ - 1, &pos);
		set_fs(old_fs);
		if (result < 0)
			goto out_kfree;

		str = buffer;
		end = str + result;
		*end++ = '\0';
		for (i = 0; i < length; i++) {
			unsigned long value;

			value = simple_strtoul(str, &str, 10);
			while (isspace(*str))
				str++;
			
			result = -EFAULT;
			if (put_user(value, vec + i))
				goto out_kfree;

			copied += sizeof(*vec);
			if (!isdigit(*str))
				break;
		}
	}

	if (newval && newlen) {
		unsigned __user *vec = newval;
		size_t length = newlen / sizeof(*vec);
		loff_t pos = 0;
		char *str, *end;
		int i;

		str = buffer;
		end = str + BUFSZ;
		for (i = 0; i < length; i++) {
			unsigned long value;

			result = -EFAULT;
			if (get_user(value, vec + i))
				goto out_kfree;

			str += snprintf(str, end - str, "%lu\t", value);
		}

		set_fs(KERNEL_DS);
		result = vfs_write(file, buffer, str - buffer, &pos);
		set_fs(old_fs);
		if (result < 0)
			goto out_kfree;
	}
	result = copied;
out_kfree:
	kfree(buffer);
out:
	return result;
}

static ssize_t bin_ulongvec(struct file *file,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
	mm_segment_t old_fs = get_fs();
	ssize_t copied = 0;
	char *buffer;
	ssize_t result;

	result = -ENOMEM;
	buffer = kmalloc(BUFSZ, GFP_KERNEL);
	if (!buffer)
		goto out;

	if (oldval && oldlen) {
		unsigned long __user *vec = oldval;
		size_t length = oldlen / sizeof(*vec);
		loff_t pos = 0;
		char *str, *end;
		int i;

		set_fs(KERNEL_DS);
		result = vfs_read(file, buffer, BUFSZ - 1, &pos);
		set_fs(old_fs);
		if (result < 0)
			goto out_kfree;

		str = buffer;
		end = str + result;
		*end++ = '\0';
		for (i = 0; i < length; i++) {
			unsigned long value;

			value = simple_strtoul(str, &str, 10);
			while (isspace(*str))
				str++;
			
			result = -EFAULT;
			if (put_user(value, vec + i))
				goto out_kfree;

			copied += sizeof(*vec);
			if (!isdigit(*str))
				break;
		}
	}

	if (newval && newlen) {
		unsigned long __user *vec = newval;
		size_t length = newlen / sizeof(*vec);
		loff_t pos = 0;
		char *str, *end;
		int i;

		str = buffer;
		end = str + BUFSZ;
		for (i = 0; i < length; i++) {
			unsigned long value;

			result = -EFAULT;
			if (get_user(value, vec + i))
				goto out_kfree;

			str += snprintf(str, end - str, "%lu\t", value);
		}

		set_fs(KERNEL_DS);
		result = vfs_write(file, buffer, str - buffer, &pos);
		set_fs(old_fs);
		if (result < 0)
			goto out_kfree;
	}
	result = copied;
out_kfree:
	kfree(buffer);
out:
	return result;
}

static ssize_t bin_uuid(struct file *file,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
	mm_segment_t old_fs = get_fs();
	ssize_t result, copied = 0;

	/* Only supports reads */
	if (oldval && oldlen) {
		loff_t pos = 0;
		char buf[40], *str = buf;
		unsigned char uuid[16];
		int i;

		set_fs(KERNEL_DS);
		result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
		set_fs(old_fs);
		if (result < 0)
			goto out;

		buf[result] = '\0';

		/* Convert the uuid to from a string to binary */
		for (i = 0; i < 16; i++) {
			result = -EIO;
			if (!isxdigit(str[0]) || !isxdigit(str[1]))
				goto out;

			uuid[i] = (hex_to_bin(str[0]) << 4) |
					hex_to_bin(str[1]);
			str += 2;
			if (*str == '-')
				str++;
		}

		if (oldlen > 16)
			oldlen = 16;

		result = -EFAULT;
		if (copy_to_user(oldval, uuid, oldlen))
			goto out;

		copied = oldlen;
	}
	result = copied;
out:
	return result;
}

static ssize_t bin_dn_node_address(struct file *file,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
	mm_segment_t old_fs = get_fs();
	ssize_t result, copied = 0;

	if (oldval && oldlen) {
		loff_t pos = 0;
		char buf[15], *nodep;
		unsigned long area, node;
		__le16 dnaddr;

		set_fs(KERNEL_DS);
		result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
		set_fs(old_fs);
		if (result < 0)
			goto out;

		buf[result] = '\0';

		/* Convert the decnet address to binary */
		result = -EIO;
		nodep = strchr(buf, '.') + 1;
		if (!nodep)
			goto out;

		area = simple_strtoul(buf, NULL, 10);
		node = simple_strtoul(nodep, NULL, 10);

		result = -EIO;
		if ((area > 63)||(node > 1023))
			goto out;

		dnaddr = cpu_to_le16((area << 10) | node);

		result = -EFAULT;
		if (put_user(dnaddr, (__le16 __user *)oldval))
			goto out;

		copied = sizeof(dnaddr);
	}

	if (newval && newlen) {
		loff_t pos = 0;
		__le16 dnaddr;
		char buf[15];
		int len;

		result = -EINVAL;
		if (newlen != sizeof(dnaddr))
			goto out;

		result = -EFAULT;
		if (get_user(dnaddr, (__le16 __user *)newval))
			goto out;

		len = snprintf(buf, sizeof(buf), "%hu.%hu",
				le16_to_cpu(dnaddr) >> 10,
				le16_to_cpu(dnaddr) & 0x3ff);

		set_fs(KERNEL_DS);
		result = vfs_write(file, buf, len, &pos);
		set_fs(old_fs);
		if (result < 0)
			goto out;
	}

	result = copied;
out:
	return result;
}

static const struct bin_table *get_sysctl(const int *name, int nlen, char *path)
{
	const struct bin_table *table = &bin_root_table[0];
	int ctl_name;

	/* The binary sysctl tables have a small maximum depth so
	 * there is no danger of overflowing our path as it PATH_MAX
	 * bytes long.
	 */
	memcpy(path, "sys/", 4);
	path += 4;

repeat:
	if (!nlen)
		return ERR_PTR(-ENOTDIR);
	ctl_name = *name;
	name++;
	nlen--;
	for ( ; table->convert; table++) {
		int len = 0;

		/*
		 * For a wild card entry map from ifindex to network
		 * device name.
		 */
		if (!table->ctl_name) {
#ifdef CONFIG_NET
			struct net *net = current->nsproxy->net_ns;
			struct net_device *dev;
			dev = dev_get_by_index(net, ctl_name);
			if (dev) {
				len = strlen(dev->name);
				memcpy(path, dev->name, len);
				dev_put(dev);
			}
#endif
		/* Use the well known sysctl number to proc name mapping */
		} else if (ctl_name == table->ctl_name) {
			len = strlen(table->procname);
			memcpy(path, table->procname, len);
		}
		if (len) {
			path += len;
			if (table->child) {
				*path++ = '/';
				table = table->child;
				goto repeat;
			}
			*path = '\0';
			return table;
		}
	}
	return ERR_PTR(-ENOTDIR);
}

static char *sysctl_getname(const int *name, int nlen, const struct bin_table **tablep)
{
	char *tmp, *result;

	result = ERR_PTR(-ENOMEM);
	tmp = __getname();
	if (tmp) {
		const struct bin_table *table = get_sysctl(name, nlen, tmp);
		result = tmp;
		*tablep = table;
		if (IS_ERR(table)) {
			__putname(tmp);
			result = ERR_CAST(table);
		}
	}
	return result;
}

static ssize_t binary_sysctl(const int *name, int nlen,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
	const struct bin_table *table = NULL;
	struct vfsmount *mnt;
	struct file *file;
	ssize_t result;
	char *pathname;
	int flags;

	pathname = sysctl_getname(name, nlen, &table);
	result = PTR_ERR(pathname);
	if (IS_ERR(pathname))
		goto out;

	/* How should the sysctl be accessed? */
	if (oldval && oldlen && newval && newlen) {
		flags = O_RDWR;
	} else if (newval && newlen) {
		flags = O_WRONLY;
	} else if (oldval && oldlen) {
		flags = O_RDONLY;
	} else {
		result = 0;
		goto out_putname;
	}

	mnt = current->nsproxy->pid_ns->proc_mnt;
	file = file_open_root(mnt->mnt_root, mnt, pathname, flags);
	result = PTR_ERR(file);
	if (IS_ERR(file))
		goto out_putname;

	result = table->convert(file, oldval, oldlen, newval, newlen);

	fput(file);
out_putname:
	__putname(pathname);
out:
	return result;
}


#else /* CONFIG_SYSCTL_SYSCALL */

static ssize_t binary_sysctl(const int *name, int nlen,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
	return -ENOSYS;
}

#endif /* CONFIG_SYSCTL_SYSCALL */


static void deprecated_sysctl_warning(const int *name, int nlen)
{
	int i;

	/*
	 * CTL_KERN/KERN_VERSION is used by older glibc and cannot
	 * ever go away.
	 */
	if (name[0] == CTL_KERN && name[1] == KERN_VERSION)
		return;

	if (printk_ratelimit()) {
		printk(KERN_INFO
			"warning: process `%s' used the deprecated sysctl "
			"system call with ", current->comm);
		for (i = 0; i < nlen; i++)
			printk("%d.", name[i]);
		printk("\n");
	}
	return;
}

#define WARN_ONCE_HASH_BITS 8
#define WARN_ONCE_HASH_SIZE (1<<WARN_ONCE_HASH_BITS)

static DECLARE_BITMAP(warn_once_bitmap, WARN_ONCE_HASH_SIZE);

#define FNV32_OFFSET 2166136261U
#define FNV32_PRIME 0x01000193

/*
 * Print each legacy sysctl (approximately) only once.
 * To avoid making the tables non-const use a external
 * hash-table instead.
 * Worst case hash collision: 6, but very rarely.
 * NOTE! We don't use the SMP-safe bit tests. We simply
 * don't care enough.
 */
static void warn_on_bintable(const int *name, int nlen)
{
	int i;
	u32 hash = FNV32_OFFSET;

	for (i = 0; i < nlen; i++)
		hash = (hash ^ name[i]) * FNV32_PRIME;
	hash %= WARN_ONCE_HASH_SIZE;
	if (__test_and_set_bit(hash, warn_once_bitmap))
		return;
	deprecated_sysctl_warning(name, nlen);
}

static ssize_t do_sysctl(int __user *args_name, int nlen,
	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
	int name[CTL_MAXNAME];
	int i;

	/* Check args->nlen. */
	if (nlen < 0 || nlen > CTL_MAXNAME)
		return -ENOTDIR;
	/* Read in the sysctl name for simplicity */
	for (i = 0; i < nlen; i++)
		if (get_user(name[i], args_name + i))
			return -EFAULT;

	warn_on_bintable(name, nlen);

	return binary_sysctl(name, nlen, oldval, oldlen, newval, newlen);
}

SYSCALL_DEFINE1(sysctl, struct __sysctl_args __user *, args)
{
	struct __sysctl_args tmp;
	size_t oldlen = 0;
	ssize_t result;

	if (copy_from_user(&tmp, args, sizeof(tmp)))
		return -EFAULT;

	if (tmp.oldval && !tmp.oldlenp)
		return -EFAULT;

	if (tmp.oldlenp && get_user(oldlen, tmp.oldlenp))
		return -EFAULT;

	result = do_sysctl(tmp.name, tmp.nlen, tmp.oldval, oldlen,
			   tmp.newval, tmp.newlen);

	if (result >= 0) {
		oldlen = result;
		result = 0;
	}

	if (tmp.oldlenp && put_user(oldlen, tmp.oldlenp))
		return -EFAULT;

	return result;
}


#ifdef CONFIG_COMPAT
#include <asm/compat.h>

struct compat_sysctl_args {
	compat_uptr_t	name;
	int		nlen;
	compat_uptr_t	oldval;
	compat_uptr_t	oldlenp;
	compat_uptr_t	newval;
	compat_size_t	newlen;
	compat_ulong_t	__unused[4];
};

asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args)
{
	struct compat_sysctl_args tmp;
	compat_size_t __user *compat_oldlenp;
	size_t oldlen = 0;
	ssize_t result;

	if (copy_from_user(&tmp, args, sizeof(tmp)))
		return -EFAULT;

	if (tmp.oldval && !tmp.oldlenp)
		return -EFAULT;

	compat_oldlenp = compat_ptr(tmp.oldlenp);
	if (compat_oldlenp && get_user(oldlen, compat_oldlenp))
		return -EFAULT;

	result = do_sysctl(compat_ptr(tmp.name), tmp.nlen,
			   compat_ptr(tmp.oldval), oldlen,
			   compat_ptr(tmp.newval), tmp.newlen);

	if (result >= 0) {
		oldlen = result;
		result = 0;
	}

	if (compat_oldlenp && put_user(oldlen, compat_oldlenp))
		return -EFAULT;

	return result;
}

#endif /* CONFIG_COMPAT */