linux/kernel/sysctl_check.c

#include <linux/stat.h>
#include <linux/sysctl.h>
#include "../fs/xfs/linux-2.6/xfs_sysctl.h"
#include <linux/sunrpc/debug.h>
#include <linux/string.h>
#include <net/ip_vs.h>

struct trans_ctl_table {
	int			ctl_name;
	const char		*procname;
	const struct trans_ctl_table *child;
};

static const struct trans_ctl_table trans_random_table[] = {
	{ RANDOM_POOLSIZE,	"poolsize" },
	{ RANDOM_ENTROPY_COUNT,	"entropy_avail" },
	{ RANDOM_READ_THRESH,	"read_wakeup_threshold" },
	{ RANDOM_WRITE_THRESH,	"write_wakeup_threshold" },
	{ RANDOM_BOOT_ID,	"boot_id" },
	{ RANDOM_UUID,		"uuid" },
	{}
};

static const struct trans_ctl_table trans_pty_table[] = {
	{ PTY_MAX,		"max" },
	{ PTY_NR,		"nr" },
	{}
};

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

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

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

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

	{ KERN_MODPROBE,		"modprobe" },
	{ KERN_SG_BIG_BUFF,		"sg-big-buff" },
	{ KERN_ACCT,			"acct" },
	{ KERN_PPC_L2CR,		"l2cr" },

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

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

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

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

	{ KERN_S390_USER_DEBUG_LOGGING,	"userprocess_debug" },
	{ KERN_CORE_USES_PID,		"core_uses_pid" },
	{ KERN_TAINTED,			"tainted" },
	{ KERN_CADPID,			"cad_pid" },
	{ KERN_PIDMAX,			"pid_max" },
	{ KERN_CORE_PATTERN,		"core_pattern" },
	{ KERN_PANIC_ON_OOPS,		"panic_on_oops" },
	{ KERN_HPPA_PWRSW,		"soft-power" },
	{ KERN_HPPA_UNALIGNED,		"unaligned-trap" },

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

	{ KERN_PTY,			"pty",		trans_pty_table },
	{ KERN_NGROUPS_MAX,		"ngroups_max" },
	{ KERN_SPARC_SCONS_PWROFF,	"scons-poweroff" },
	{ KERN_HZ_TIMER,		"hz_timer" },
	{ KERN_UNKNOWN_NMI_PANIC,	"unknown_nmi_panic" },
	{ KERN_BOOTLOADER_TYPE,		"bootloader_type" },
	{ KERN_RANDOMIZE,		"randomize_va_space" },

	{ KERN_SPIN_RETRY,		"spin_retry" },
	{ KERN_ACPI_VIDEO_FLAGS,	"acpi_video_flags" },
	{ KERN_IA64_UNALIGNED,		"ignore-unaligned-usertrap" },
	{ KERN_COMPAT_LOG,		"compat-log" },
	{ KERN_MAX_LOCK_DEPTH,		"max_lock_depth" },
	{ KERN_NMI_WATCHDOG,		"nmi_watchdog" },
	{ KERN_PANIC_ON_NMI,		"panic_on_unrecovered_nmi" },
	{}
};

static const struct trans_ctl_table trans_vm_table[] = {
	{ VM_OVERCOMMIT_MEMORY,		"overcommit_memory" },
	{ VM_PAGE_CLUSTER,		"page-cluster" },
	{ VM_DIRTY_BACKGROUND,		"dirty_background_ratio" },
	{ VM_DIRTY_RATIO,		"dirty_ratio" },
	{ VM_DIRTY_WB_CS,		"dirty_writeback_centisecs" },
	{ VM_DIRTY_EXPIRE_CS,		"dirty_expire_centisecs" },
	{ VM_NR_PDFLUSH_THREADS,	"nr_pdflush_threads" },
	{ VM_OVERCOMMIT_RATIO,		"overcommit_ratio" },
	/* VM_PAGEBUF unused */
	{ VM_HUGETLB_PAGES,		"nr_hugepages" },
	{ VM_SWAPPINESS,		"swappiness" },
	{ VM_LOWMEM_RESERVE_RATIO,	"lowmem_reserve_ratio" },
	{ VM_MIN_FREE_KBYTES,		"min_free_kbytes" },
	{ VM_MAX_MAP_COUNT,		"max_map_count" },
	{ VM_LAPTOP_MODE,		"laptop_mode" },
	{ VM_BLOCK_DUMP,		"block_dump" },
	{ VM_HUGETLB_GROUP,		"hugetlb_shm_group" },
	{ VM_VFS_CACHE_PRESSURE,	"vfs_cache_pressure" },
	{ VM_LEGACY_VA_LAYOUT,		"legacy_va_layout" },
	/* VM_SWAP_TOKEN_TIMEOUT unused */
	{ VM_DROP_PAGECACHE,		"drop_caches" },
	{ VM_PERCPU_PAGELIST_FRACTION,	"percpu_pagelist_fraction" },
	{ VM_ZONE_RECLAIM_MODE,		"zone_reclaim_mode" },
	{ VM_MIN_UNMAPPED,		"min_unmapped_ratio" },
	{ VM_PANIC_ON_OOM,		"panic_on_oom" },
	{ VM_VDSO_ENABLED,		"vdso_enabled" },
	{ VM_MIN_SLAB,			"min_slab_ratio" },

	{}
};

static const struct trans_ctl_table trans_net_core_table[] = {
	{ NET_CORE_WMEM_MAX,		"wmem_max" },
	{ NET_CORE_RMEM_MAX,		"rmem_max" },
	{ NET_CORE_WMEM_DEFAULT,	"wmem_default" },
	{ NET_CORE_RMEM_DEFAULT,	"rmem_default" },
	/* NET_CORE_DESTROY_DELAY unused */
	{ NET_CORE_MAX_BACKLOG,		"netdev_max_backlog" },
	/* NET_CORE_FASTROUTE unused */
	{ NET_CORE_MSG_COST,		"message_cost" },
	{ NET_CORE_MSG_BURST,		"message_burst" },
	{ 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 */
	{ NET_CORE_DEV_WEIGHT,		"dev_weight" },
	{ NET_CORE_SOMAXCONN,		"somaxconn" },
	{ NET_CORE_BUDGET,		"netdev_budget" },
	{ NET_CORE_AEVENT_ETIME,	"xfrm_aevent_etime" },
	{ NET_CORE_AEVENT_RSEQTH,	"xfrm_aevent_rseqth" },
	{ NET_CORE_WARNINGS,		"warnings" },
	{},
};

static const struct trans_ctl_table trans_net_unix_table[] = {
	/* NET_UNIX_DESTROY_DELAY unused */
	/* NET_UNIX_DELETE_DELAY unused */
	{ NET_UNIX_MAX_DGRAM_QLEN,	"max_dgram_qlen" },
	{}
};

static const struct trans_ctl_table trans_net_ipv4_route_table[] = {
	{ NET_IPV4_ROUTE_FLUSH,			"flush" },
	{ NET_IPV4_ROUTE_MIN_DELAY,		"min_delay" },
	{ NET_IPV4_ROUTE_MAX_DELAY,		"max_delay" },
	{ NET_IPV4_ROUTE_GC_THRESH,		"gc_thresh" },
	{ NET_IPV4_ROUTE_MAX_SIZE,		"max_size" },
	{ NET_IPV4_ROUTE_GC_MIN_INTERVAL,	"gc_min_interval" },
	{ NET_IPV4_ROUTE_GC_TIMEOUT,		"gc_timeout" },
	{ NET_IPV4_ROUTE_GC_INTERVAL,		"gc_interval" },
	{ NET_IPV4_ROUTE_REDIRECT_LOAD,		"redirect_load" },
	{ NET_IPV4_ROUTE_REDIRECT_NUMBER,	"redirect_number" },
	{ NET_IPV4_ROUTE_REDIRECT_SILENCE,	"redirect_silence" },
	{ NET_IPV4_ROUTE_ERROR_COST,		"error_cost" },
	{ NET_IPV4_ROUTE_ERROR_BURST,		"error_burst" },
	{ NET_IPV4_ROUTE_GC_ELASTICITY,		"gc_elasticity" },
	{ NET_IPV4_ROUTE_MTU_EXPIRES,		"mtu_expires" },
	{ NET_IPV4_ROUTE_MIN_PMTU,		"min_pmtu" },
	{ NET_IPV4_ROUTE_MIN_ADVMSS,		"min_adv_mss" },
	{ NET_IPV4_ROUTE_SECRET_INTERVAL,	"secret_interval" },
	{ NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,	"gc_min_interval_ms" },
	{}
};

static const struct trans_ctl_table trans_net_ipv4_conf_vars_table[] = {
	{ NET_IPV4_CONF_FORWARDING,		"forwarding" },
	{ NET_IPV4_CONF_MC_FORWARDING,		"mc_forwarding" },

	{ NET_IPV4_CONF_PROXY_ARP,		"proxy_arp" },
	{ NET_IPV4_CONF_ACCEPT_REDIRECTS,	"accept_redirects" },
	{ NET_IPV4_CONF_SECURE_REDIRECTS,	"secure_redirects" },
	{ NET_IPV4_CONF_SEND_REDIRECTS,		"send_redirects" },
	{ NET_IPV4_CONF_SHARED_MEDIA,		"shared_media" },
	{ NET_IPV4_CONF_RP_FILTER,		"rp_filter" },
	{ NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE,	"accept_source_route" },
	{ NET_IPV4_CONF_BOOTP_RELAY,		"bootp_relay" },
	{ NET_IPV4_CONF_LOG_MARTIANS,		"log_martians" },
	{ NET_IPV4_CONF_TAG,			"tag" },
	{ NET_IPV4_CONF_ARPFILTER,		"arp_filter" },
	{ NET_IPV4_CONF_MEDIUM_ID,		"medium_id" },
	{ NET_IPV4_CONF_NOXFRM,			"disable_xfrm" },
	{ NET_IPV4_CONF_NOPOLICY,		"disable_policy" },
	{ NET_IPV4_CONF_FORCE_IGMP_VERSION,	"force_igmp_version" },

	{ NET_IPV4_CONF_ARP_ANNOUNCE,		"arp_announce" },
	{ NET_IPV4_CONF_ARP_IGNORE,		"arp_ignore" },
	{ NET_IPV4_CONF_PROMOTE_SECONDARIES,	"promote_secondaries" },
	{ NET_IPV4_CONF_ARP_ACCEPT,		"arp_accept" },
	{}
};

static const struct trans_ctl_table trans_net_ipv4_conf_table[] = {
	{ NET_PROTO_CONF_ALL,		"all",		trans_net_ipv4_conf_vars_table },
	{ NET_PROTO_CONF_DEFAULT,	"default",	trans_net_ipv4_conf_vars_table },
	{ 0, NULL, trans_net_ipv4_conf_vars_table },
	{}
};

static const struct trans_ctl_table trans_net_neigh_vars_table[] = {
	{ NET_NEIGH_MCAST_SOLICIT,	"mcast_solicit" },
	{ NET_NEIGH_UCAST_SOLICIT,	"ucast_solicit" },
	{ NET_NEIGH_APP_SOLICIT,	"app_solicit" },
	{ NET_NEIGH_RETRANS_TIME,	"retrans_time" },
	{ NET_NEIGH_REACHABLE_TIME,	"base_reachable_time" },
	{ NET_NEIGH_DELAY_PROBE_TIME,	"delay_first_probe_time" },
	{ NET_NEIGH_GC_STALE_TIME,	"gc_stale_time" },
	{ NET_NEIGH_UNRES_QLEN,		"unres_qlen" },
	{ NET_NEIGH_PROXY_QLEN,		"proxy_qlen" },
	{ NET_NEIGH_ANYCAST_DELAY,	"anycast_delay" },
	{ NET_NEIGH_PROXY_DELAY,	"proxy_delay" },
	{ NET_NEIGH_LOCKTIME,		"locktime" },
	{ NET_NEIGH_GC_INTERVAL,	"gc_interval" },
	{ NET_NEIGH_GC_THRESH1,		"gc_thresh1" },
	{ NET_NEIGH_GC_THRESH2,		"gc_thresh2" },
	{ NET_NEIGH_GC_THRESH3,		"gc_thresh3" },
	{ NET_NEIGH_RETRANS_TIME_MS,	"retrans_time_ms" },
	{ NET_NEIGH_REACHABLE_TIME_MS,	"base_reachable_time_ms" },
	{}
};

static const struct trans_ctl_table trans_net_neigh_table[] = {
	{ NET_PROTO_CONF_DEFAULT, "default", trans_net_neigh_vars_table },
	{ 0, NULL, trans_net_neigh_vars_table },
	{}
};

static const struct trans_ctl_table trans_net_ipv4_netfilter_table[] = {
	{ NET_IPV4_NF_CONNTRACK_MAX,				"ip_conntrack_max" },

	{ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT,		"ip_conntrack_tcp_timeout_syn_sent" },
	{ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV,		"ip_conntrack_tcp_timeout_syn_recv" },
	{ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED,	"ip_conntrack_tcp_timeout_established" },
	{ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT,		"ip_conntrack_tcp_timeout_fin_wait" },
	{ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT,		"ip_conntrack_tcp_timeout_close_wait" },
	{ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK,		"ip_conntrack_tcp_timeout_last_ack" },
	{ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT,		"ip_conntrack_tcp_timeout_time_wait" },
	{ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE,		"ip_conntrack_tcp_timeout_close" },

	{ NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT,			"ip_conntrack_udp_timeout" },
	{ NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM,		"ip_conntrack_udp_timeout_stream" },
	{ NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT,			"ip_conntrack_icmp_timeout" },
	{ NET_IPV4_NF_CONNTRACK_GENERIC_TIMEOUT,		"ip_conntrack_generic_timeout" },

	{ NET_IPV4_NF_CONNTRACK_BUCKETS,			"ip_conntrack_buckets" },
	{ NET_IPV4_NF_CONNTRACK_LOG_INVALID,			"ip_conntrack_log_invalid" },
	{ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS,	"ip_conntrack_tcp_timeout_max_retrans" },
	{ NET_IPV4_NF_CONNTRACK_TCP_LOOSE,			"ip_conntrack_tcp_loose" },
	{ NET_IPV4_NF_CONNTRACK_TCP_BE_LIBERAL,			"ip_conntrack_tcp_be_liberal" },
	{ NET_IPV4_NF_CONNTRACK_TCP_MAX_RETRANS,		"ip_conntrack_tcp_max_retrans" },

	{ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED,		"ip_conntrack_sctp_timeout_closed" },
	{ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT,	"ip_conntrack_sctp_timeout_cookie_wait" },
	{ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED,	"ip_conntrack_sctp_timeout_cookie_echoed" },
	{ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED,	"ip_conntrack_sctp_timeout_established" },
	{ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT,	"ip_conntrack_sctp_timeout_shutdown_sent" },
	{ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD,	"ip_conntrack_sctp_timeout_shutdown_recd" },
	{ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT,	"ip_conntrack_sctp_timeout_shutdown_ack_sent" },

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

static const struct trans_ctl_table trans_net_ipv4_table[] = {
	{ NET_IPV4_FORWARD,			"ip_forward" },
	{ NET_IPV4_DYNADDR,			"ip_dynaddr" },

	{ NET_IPV4_CONF,		"conf",		trans_net_ipv4_conf_table },
	{ NET_IPV4_NEIGH,		"neigh",	trans_net_neigh_table },
	{ NET_IPV4_ROUTE,		"route",	trans_net_ipv4_route_table },
	/* NET_IPV4_FIB_HASH unused */
	{ NET_IPV4_NETFILTER,		"netfilter",	trans_net_ipv4_netfilter_table },

	{ NET_IPV4_TCP_TIMESTAMPS,		"tcp_timestamps" },
	{ NET_IPV4_TCP_WINDOW_SCALING,		"tcp_window_scaling" },
	{ NET_IPV4_TCP_SACK,			"tcp_sack" },
	{ NET_IPV4_TCP_RETRANS_COLLAPSE,	"tcp_retrans_collapse" },
	{ NET_IPV4_DEFAULT_TTL,			"ip_default_ttl" },
	/* NET_IPV4_AUTOCONFIG unused */
	{ NET_IPV4_NO_PMTU_DISC,		"ip_no_pmtu_disc" },
	{ NET_IPV4_TCP_SYN_RETRIES,		"tcp_syn_retries" },
	{ NET_IPV4_IPFRAG_HIGH_THRESH,		"ipfrag_high_thresh" },
	{ NET_IPV4_IPFRAG_LOW_THRESH,		"ipfrag_low_thresh" },
	{ NET_IPV4_IPFRAG_TIME,			"ipfrag_time" },
	/* NET_IPV4_TCP_MAX_KA_PROBES unused */
	{ NET_IPV4_TCP_KEEPALIVE_TIME,		"tcp_keepalive_time" },
	{ NET_IPV4_TCP_KEEPALIVE_PROBES,	"tcp_keepalive_probes" },
	{ NET_IPV4_TCP_RETRIES1,		"tcp_retries1" },
	{ NET_IPV4_TCP_RETRIES2,		"tcp_retries2" },
	{ NET_IPV4_TCP_FIN_TIMEOUT,		"tcp_fin_timeout" },
	/* NET_IPV4_IP_MASQ_DEBUG unused */
	{ NET_TCP_SYNCOOKIES,			"tcp_syncookies" },
	{ NET_TCP_STDURG,			"tcp_stdurg" },
	{ NET_TCP_RFC1337,			"tcp_rfc1337" },
	/* NET_TCP_SYN_TAILDROP unused */
	{ NET_TCP_MAX_SYN_BACKLOG,		"tcp_max_syn_backlog" },
	{ NET_IPV4_LOCAL_PORT_RANGE,		"ip_local_port_range" },
	{ NET_IPV4_ICMP_ECHO_IGNORE_ALL,	"icmp_echo_ignore_all" },
	{ NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,	"icmp_echo_ignore_broadcasts" },
	/* 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_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,	"icmp_ignore_bogus_error_responses" },
	{ NET_IPV4_IGMP_MAX_MEMBERSHIPS,	"igmp_max_memberships" },
	{ NET_TCP_TW_RECYCLE,			"tcp_tw_recycle" },
	/* NET_IPV4_ALWAYS_DEFRAG unused */
	{ NET_IPV4_TCP_KEEPALIVE_INTVL,		"tcp_keepalive_intvl" },
	{ NET_IPV4_INET_PEER_THRESHOLD,		"inet_peer_threshold" },
	{ NET_IPV4_INET_PEER_MINTTL,		"inet_peer_minttl" },
	{ NET_IPV4_INET_PEER_MAXTTL,		"inet_peer_maxttl" },
	{ NET_IPV4_INET_PEER_GC_MINTIME,	"inet_peer_gc_mintime" },
	{ NET_IPV4_INET_PEER_GC_MAXTIME,	"inet_peer_gc_maxtime" },
	{ NET_TCP_ORPHAN_RETRIES,		"tcp_orphan_retries" },
	{ NET_TCP_ABORT_ON_OVERFLOW,		"tcp_abort_on_overflow" },
	{ NET_TCP_SYNACK_RETRIES,		"tcp_synack_retries" },
	{ NET_TCP_MAX_ORPHANS,			"tcp_max_orphans" },
	{ NET_TCP_MAX_TW_BUCKETS,		"tcp_max_tw_buckets" },
	{ NET_TCP_FACK,				"tcp_fack" },
	{ NET_TCP_REORDERING,			"tcp_reordering" },
	{ NET_TCP_ECN,				"tcp_ecn" },
	{ NET_TCP_DSACK,			"tcp_dsack" },
	{ NET_TCP_MEM,				"tcp_mem" },
	{ NET_TCP_WMEM,				"tcp_wmem" },
	{ NET_TCP_RMEM,				"tcp_rmem" },
	{ NET_TCP_APP_WIN,			"tcp_app_win" },
	{ NET_TCP_ADV_WIN_SCALE,		"tcp_adv_win_scale" },
	{ NET_IPV4_NONLOCAL_BIND,		"ip_nonlocal_bind" },
	{ NET_IPV4_ICMP_RATELIMIT,		"icmp_ratelimit" },
	{ NET_IPV4_ICMP_RATEMASK,		"icmp_ratemask" },
	{ NET_TCP_TW_REUSE,			"tcp_tw_reuse" },
	{ NET_TCP_FRTO,				"tcp_frto" },
	{ NET_TCP_LOW_LATENCY,			"tcp_low_latency" },
	{ NET_IPV4_IPFRAG_SECRET_INTERVAL,	"ipfrag_secret_interval" },
	{ NET_IPV4_IGMP_MAX_MSF,		"igmp_max_msf" },
	{ NET_TCP_NO_METRICS_SAVE,		"tcp_no_metrics_save" },
	/* NET_TCP_DEFAULT_WIN_SCALE unused */
	{ NET_TCP_MODERATE_RCVBUF,		"tcp_moderate_rcvbuf" },
	{ NET_TCP_TSO_WIN_DIVISOR,		"tcp_tso_win_divisor" },
	/* NET_TCP_BIC_BETA unused */
	{ NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,	"icmp_errors_use_inbound_ifaddr" },
	{ NET_TCP_CONG_CONTROL,			"tcp_congestion_control" },
	{ NET_TCP_ABC,				"tcp_abc" },
	{ NET_IPV4_IPFRAG_MAX_DIST,		"ipfrag_max_dist" },
	{ NET_TCP_MTU_PROBING,			"tcp_mtu_probing" },
	{ NET_TCP_BASE_MSS,			"tcp_base_mss" },
	{ NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,	"tcp_workaround_signed_windows" },
	{ NET_TCP_DMA_COPYBREAK,		"tcp_dma_copybreak" },
	{ NET_TCP_SLOW_START_AFTER_IDLE,	"tcp_slow_start_after_idle" },
	{ NET_CIPSOV4_CACHE_ENABLE,		"cipso_cache_enable" },
	{ NET_CIPSOV4_CACHE_BUCKET_SIZE,	"cipso_cache_bucket_size" },
	{ NET_CIPSOV4_RBM_OPTFMT,		"cipso_rbm_optfmt" },
	{ NET_CIPSOV4_RBM_STRICTVALID,		"cipso_rbm_strictvalid" },
	{ NET_TCP_AVAIL_CONG_CONTROL,		"tcp_available_congestion_control" },
	{ NET_TCP_ALLOWED_CONG_CONTROL,		"tcp_allowed_congestion_control" },
	{ NET_TCP_MAX_SSTHRESH,			"tcp_max_ssthresh" },
	{ NET_TCP_FRTO_RESPONSE,		"tcp_frto_response" },
	{ 2088 /* NET_IPQ_QMAX */,		"ip_queue_maxlen" },
	{}
};

static const struct trans_ctl_table trans_net_ipx_table[] = {
	{ NET_IPX_PPROP_BROADCASTING,	"ipx_pprop_broadcasting" },
	/* NET_IPX_FORWARDING unused */
	{}
};

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

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

static const struct trans_ctl_table trans_net_ax25_param_table[] = {
	{ NET_AX25_IP_DEFAULT_MODE,	"ip_default_mode" },
	{ NET_AX25_DEFAULT_MODE,	"ax25_default_mode" },
	{ NET_AX25_BACKOFF_TYPE,	"backoff_type" },
	{ NET_AX25_CONNECT_MODE,	"connect_mode" },
	{ NET_AX25_STANDARD_WINDOW,	"standard_window_size" },
	{ NET_AX25_EXTENDED_WINDOW,	"extended_window_size" },
	{ NET_AX25_T1_TIMEOUT,		"t1_timeout" },
	{ NET_AX25_T2_TIMEOUT,		"t2_timeout" },
	{ NET_AX25_T3_TIMEOUT,		"t3_timeout" },
	{ NET_AX25_IDLE_TIMEOUT,	"idle_timeout" },
	{ NET_AX25_N2,			"maximum_retry_count" },
	{ NET_AX25_PACLEN,		"maximum_packet_length" },
	{ NET_AX25_PROTOCOL,		"protocol" },
	{ NET_AX25_DAMA_SLAVE_TIMEOUT,	"dama_slave_timeout" },
	{}
};

static const struct trans_ctl_table trans_net_ax25_table[] = {
	{ 0, NULL, trans_net_ax25_param_table },
	{}
};

static const struct trans_ctl_table trans_net_bridge_table[] = {
	{ NET_BRIDGE_NF_CALL_ARPTABLES,		"bridge-nf-call-arptables" },
	{ NET_BRIDGE_NF_CALL_IPTABLES,		"bridge-nf-call-iptables" },
	{ NET_BRIDGE_NF_CALL_IP6TABLES,		"bridge-nf-call-ip6tables" },
	{ NET_BRIDGE_NF_FILTER_VLAN_TAGGED,	"bridge-nf-filter-vlan-tagged" },
	{ NET_BRIDGE_NF_FILTER_PPPOE_TAGGED,	"bridge-nf-filter-pppoe-tagged" },
	{}
};

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

static const struct trans_ctl_table trans_net_ipv6_conf_var_table[] = {
	{ NET_IPV6_FORWARDING,			"forwarding" },
	{ NET_IPV6_HOP_LIMIT,			"hop_limit" },
	{ NET_IPV6_MTU,				"mtu" },
	{ NET_IPV6_ACCEPT_RA,			"accept_ra" },
	{ NET_IPV6_ACCEPT_REDIRECTS,		"accept_redirects" },
	{ NET_IPV6_AUTOCONF,			"autoconf" },
	{ NET_IPV6_DAD_TRANSMITS,		"dad_transmits" },
	{ NET_IPV6_RTR_SOLICITS,		"router_solicitations" },
	{ NET_IPV6_RTR_SOLICIT_INTERVAL,	"router_solicitation_interval" },
	{ NET_IPV6_RTR_SOLICIT_DELAY,		"router_solicitation_delay" },
	{ NET_IPV6_USE_TEMPADDR,		"use_tempaddr" },
	{ NET_IPV6_TEMP_VALID_LFT,		"temp_valid_lft" },
	{ NET_IPV6_TEMP_PREFERED_LFT,		"temp_prefered_lft" },
	{ NET_IPV6_REGEN_MAX_RETRY,		"regen_max_retry" },
	{ NET_IPV6_MAX_DESYNC_FACTOR,		"max_desync_factor" },
	{ NET_IPV6_MAX_ADDRESSES,		"max_addresses" },
	{ NET_IPV6_FORCE_MLD_VERSION,		"force_mld_version" },
	{ NET_IPV6_ACCEPT_RA_DEFRTR,		"accept_ra_defrtr" },
	{ NET_IPV6_ACCEPT_RA_PINFO,		"accept_ra_pinfo" },
	{ NET_IPV6_ACCEPT_RA_RTR_PREF,		"accept_ra_rtr_pref" },
	{ NET_IPV6_RTR_PROBE_INTERVAL,		"router_probe_interval" },
	{ NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN,	"accept_ra_rt_info_max_plen" },
	{ NET_IPV6_PROXY_NDP,			"proxy_ndp" },
	{ NET_IPV6_ACCEPT_SOURCE_ROUTE,		"accept_source_route" },
	{}
};

static const struct trans_ctl_table trans_net_ipv6_conf_table[] = {
	{ NET_PROTO_CONF_ALL,		"all",	trans_net_ipv6_conf_var_table },
	{ NET_PROTO_CONF_DEFAULT, 	"default", trans_net_ipv6_conf_var_table },
	{ 0, NULL, trans_net_ipv6_conf_var_table },
	{}
};

static const struct trans_ctl_table trans_net_ipv6_route_table[] = {
	{ NET_IPV6_ROUTE_FLUSH,			"flush" },
	{ NET_IPV6_ROUTE_GC_THRESH,		"gc_thresh" },
	{ NET_IPV6_ROUTE_MAX_SIZE,		"max_size" },
	{ NET_IPV6_ROUTE_GC_MIN_INTERVAL,	"gc_min_interval" },
	{ NET_IPV6_ROUTE_GC_TIMEOUT,		"gc_timeout" },
	{ NET_IPV6_ROUTE_GC_INTERVAL,		"gc_interval" },
	{ NET_IPV6_ROUTE_GC_ELASTICITY,		"gc_elasticity" },
	{ NET_IPV6_ROUTE_MTU_EXPIRES,		"mtu_expires" },
	{ NET_IPV6_ROUTE_MIN_ADVMSS,		"min_adv_mss" },
	{ NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,	"gc_min_interval_ms" },
	{}
};

static const struct trans_ctl_table trans_net_ipv6_icmp_table[] = {
	{ NET_IPV6_ICMP_RATELIMIT,	"ratelimit" },
	{}
};

static const struct trans_ctl_table trans_net_ipv6_table[] = {
	{ NET_IPV6_CONF,		"conf",		trans_net_ipv6_conf_table },
	{ NET_IPV6_NEIGH,		"neigh",	trans_net_neigh_table },
	{ NET_IPV6_ROUTE,		"route",	trans_net_ipv6_route_table },
	{ NET_IPV6_ICMP,		"icmp",		trans_net_ipv6_icmp_table },
	{ NET_IPV6_BINDV6ONLY,		"bindv6only" },
	{ NET_IPV6_IP6FRAG_HIGH_THRESH,	"ip6frag_high_thresh" },
	{ NET_IPV6_IP6FRAG_LOW_THRESH,	"ip6frag_low_thresh" },
	{ NET_IPV6_IP6FRAG_TIME,	"ip6frag_time" },
	{ NET_IPV6_IP6FRAG_SECRET_INTERVAL,	"ip6frag_secret_interval" },
	{ NET_IPV6_MLD_MAX_MSF,		"mld_max_msf" },
	{ 2088 /* IPQ_QMAX */,		"ip6_queue_maxlen" },
	{}
};

static const struct trans_ctl_table trans_net_x25_table[] = {
	{ NET_X25_RESTART_REQUEST_TIMEOUT,	"restart_request_timeout" },
	{ NET_X25_CALL_REQUEST_TIMEOUT,		"call_request_timeout" },
	{ NET_X25_RESET_REQUEST_TIMEOUT,	"reset_request_timeout" },
	{ NET_X25_CLEAR_REQUEST_TIMEOUT,	"clear_request_timeout" },
	{ NET_X25_ACK_HOLD_BACK_TIMEOUT,	"acknowledgement_hold_back_timeout" },
	{ NET_X25_FORWARD,			"x25_forward" },
	{}
};

static const struct trans_ctl_table trans_net_tr_table[] = {
	{ NET_TR_RIF_TIMEOUT,	"rif_timeout" },
	{}
};


static const struct trans_ctl_table trans_net_decnet_conf_vars[] = {
	{ NET_DECNET_CONF_DEV_FORWARDING,	"forwarding" },
	{ NET_DECNET_CONF_DEV_PRIORITY,		"priority" },
	{ NET_DECNET_CONF_DEV_T2,		"t2" },
	{ NET_DECNET_CONF_DEV_T3,		"t3" },
	{}
};

static const struct trans_ctl_table trans_net_decnet_conf[] = {
	{ 0, NULL, trans_net_decnet_conf_vars },
	{}
};

static const struct trans_ctl_table trans_net_decnet_table[] = {
	{ NET_DECNET_CONF,		"conf",	trans_net_decnet_conf },
	{ NET_DECNET_NODE_ADDRESS,	"node_address" },
	{ NET_DECNET_NODE_NAME,		"node_name" },
	{ NET_DECNET_DEFAULT_DEVICE,	"default_device" },
	{ NET_DECNET_TIME_WAIT,		"time_wait" },
	{ NET_DECNET_DN_COUNT,		"dn_count" },
	{ NET_DECNET_DI_COUNT,		"di_count" },
	{ NET_DECNET_DR_COUNT,		"dr_count" },
	{ NET_DECNET_DST_GC_INTERVAL,	"dst_gc_interval" },
	{ NET_DECNET_NO_FC_MAX_CWND,	"no_fc_max_cwnd" },
	{ NET_DECNET_MEM,		"decnet_mem" },
	{ NET_DECNET_RMEM,		"decnet_rmem" },
	{ NET_DECNET_WMEM,		"decnet_wmem" },
	{ NET_DECNET_DEBUG_LEVEL,	"debug" },
	{}
};

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

static const struct trans_ctl_table trans_net_llc_llc2_timeout_table[] = {
	{ NET_LLC2_ACK_TIMEOUT,		"ack" },
	{ NET_LLC2_P_TIMEOUT,		"p" },
	{ NET_LLC2_REJ_TIMEOUT,		"rej" },
	{ NET_LLC2_BUSY_TIMEOUT,	"busy" },
	{}
};

static const struct trans_ctl_table trans_net_llc_station_table[] = {
	{ NET_LLC_STATION_ACK_TIMEOUT,	"ack_timeout" },
	{}
};

static const struct trans_ctl_table trans_net_llc_llc2_table[] = {
	{ NET_LLC2,		"timeout",	trans_net_llc_llc2_timeout_table },
	{}
};

static const struct trans_ctl_table trans_net_llc_table[] = {
	{ NET_LLC2,		"llc2",		trans_net_llc_llc2_table },
	{ NET_LLC_STATION,	"station",	trans_net_llc_station_table },
	{}
};

static const struct trans_ctl_table trans_net_netfilter_table[] = {
	{ NET_NF_CONNTRACK_MAX,				"nf_conntrack_max" },
	{ NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT,	"nf_conntrack_tcp_timeout_syn_sent" },
	{ NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV,	"nf_conntrack_tcp_timeout_syn_recv" },
	{ NET_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED,	"nf_conntrack_tcp_timeout_established" },
	{ NET_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT,	"nf_conntrack_tcp_timeout_fin_wait" },
	{ NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT,	"nf_conntrack_tcp_timeout_close_wait" },
	{ NET_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK,	"nf_conntrack_tcp_timeout_last_ack" },
	{ NET_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT,	"nf_conntrack_tcp_timeout_time_wait" },
	{ NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE,		"nf_conntrack_tcp_timeout_close" },
	{ NET_NF_CONNTRACK_UDP_TIMEOUT,			"nf_conntrack_udp_timeout" },
	{ NET_NF_CONNTRACK_UDP_TIMEOUT_STREAM,		"nf_conntrack_udp_timeout_stream" },
	{ NET_NF_CONNTRACK_ICMP_TIMEOUT,	"nf_conntrack_icmp_timeout" },
	{ NET_NF_CONNTRACK_GENERIC_TIMEOUT,		"nf_conntrack_generic_timeout" },
	{ NET_NF_CONNTRACK_BUCKETS,			"nf_conntrack_buckets" },
	{ NET_NF_CONNTRACK_LOG_INVALID,			"nf_conntrack_log_invalid" },
	{ NET_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS,	"nf_conntrack_tcp_timeout_max_retrans" },
	{ NET_NF_CONNTRACK_TCP_LOOSE,			"nf_conntrack_tcp_loose" },
	{ NET_NF_CONNTRACK_TCP_BE_LIBERAL,		"nf_conntrack_tcp_be_liberal" },
	{ NET_NF_CONNTRACK_TCP_MAX_RETRANS,		"nf_conntrack_tcp_max_retrans" },
	{ NET_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED,		"nf_conntrack_sctp_timeout_closed" },
	{ NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT,	"nf_conntrack_sctp_timeout_cookie_wait" },
	{ NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED,	"nf_conntrack_sctp_timeout_cookie_echoed" },
	{ NET_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED,	"nf_conntrack_sctp_timeout_established" },
	{ NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT,	"nf_conntrack_sctp_timeout_shutdown_sent" },
	{ NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD,	"nf_conntrack_sctp_timeout_shutdown_recd" },
	{ NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT,	"nf_conntrack_sctp_timeout_shutdown_ack_sent" },
	{ NET_NF_CONNTRACK_COUNT,			"nf_conntrack_count" },
	{ NET_NF_CONNTRACK_ICMPV6_TIMEOUT,	"nf_conntrack_icmpv6_timeout" },
	{ NET_NF_CONNTRACK_FRAG6_TIMEOUT,		"nf_conntrack_frag6_timeout" },
	{ NET_NF_CONNTRACK_FRAG6_LOW_THRESH,		"nf_conntrack_frag6_low_thresh" },
	{ NET_NF_CONNTRACK_FRAG6_HIGH_THRESH,		"nf_conntrack_frag6_high_thresh" },
	{ NET_NF_CONNTRACK_CHECKSUM,			"nf_conntrack_checksum" },

	{}
};

static const struct trans_ctl_table trans_net_dccp_table[] = {
	{ NET_DCCP_DEFAULT,	"default" },
	{}
};

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

static const struct trans_ctl_table trans_net_table[] = {
	{ NET_CORE,		"core",		trans_net_core_table },
	/* NET_ETHER not used */
	/* NET_802 not used */
	{ NET_UNIX,		"unix",		trans_net_unix_table },
	{ NET_IPV4,		"ipv4",		trans_net_ipv4_table },
	{ NET_IPX,		"ipx",		trans_net_ipx_table },
	{ NET_ATALK,		"appletalk",	trans_net_atalk_table },
	{ NET_NETROM,		"netrom",	trans_net_netrom_table },
	{ NET_AX25,		"ax25",		trans_net_ax25_table },
	{ NET_BRIDGE,		"bridge",	trans_net_bridge_table },
	{ NET_ROSE,		"rose",		trans_net_rose_table },
	{ NET_IPV6,		"ipv6",		trans_net_ipv6_table },
	{ NET_X25,		"x25",		trans_net_x25_table },
	{ NET_TR,		"token-ring",	trans_net_tr_table },
	{ NET_DECNET,		"decnet",	trans_net_decnet_table },
	/*  NET_ECONET not used */
	{ NET_SCTP,		"sctp",		trans_net_sctp_table },
	{ NET_LLC,		"llc",		trans_net_llc_table },
	{ NET_NETFILTER,	"netfilter",	trans_net_netfilter_table },
	{ NET_DCCP,		"dccp",		trans_net_dccp_table },
	{ NET_IRDA,		"irda",		trans_net_irda_table },
	{ 2089,			"nf_conntrack_max" },
	{}
};

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

static const struct trans_ctl_table trans_fs_xfs_table[] = {
	{ XFS_SGID_INHERIT,	"irix_sgid_inherit" },
	{ XFS_SYMLINK_MODE,	"irix_symlink_mode" },
	{ XFS_PANIC_MASK,	"panic_mask" },

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

static const struct trans_ctl_table trans_fs_ocfs2_nm_table[] = {
	{ 1, "hb_ctl_path" },
	{}
};

static const struct trans_ctl_table trans_fs_ocfs2_table[] = {
	{ 1,	"nm",	trans_fs_ocfs2_nm_table },
	{}
};

static const struct trans_ctl_table trans_inotify_table[] = {
	{ INOTIFY_MAX_USER_INSTANCES,	"max_user_instances" },
	{ INOTIFY_MAX_USER_WATCHES,	"max_user_watches" },
	{ INOTIFY_MAX_QUEUED_EVENTS,	"max_queued_events" },
	{}
};

static const struct trans_ctl_table trans_fs_table[] = {
	{ FS_NRINODE,		"inode-nr" },
	{ FS_STATINODE,		"inode-state" },
	/* FS_MAXINODE unused */
	/* FS_NRDQUOT unused */
	/* FS_MAXDQUOT unused */
	{ FS_NRFILE,		"file-nr" },
	{ FS_MAXFILE,		"file-max" },
	{ FS_DENTRY,		"dentry-state" },
	/* FS_NRSUPER unused */
	/* FS_MAXUPSER unused */
	{ FS_OVERFLOWUID,	"overflowuid" },
	{ FS_OVERFLOWGID,	"overflowgid" },
	{ FS_LEASES,		"leases-enable" },
	{ FS_DIR_NOTIFY,	"dir-notify-enable" },
	{ FS_LEASE_TIME,	"lease-break-time" },
	{ FS_DQSTATS,		"quota",		trans_fs_quota_table },
	{ FS_XFS,		"xfs",			trans_fs_xfs_table },
	{ FS_AIO_NR,		"aio-nr" },
	{ FS_AIO_MAX_NR,	"aio-max-nr" },
	{ FS_INOTIFY,		"inotify",		trans_inotify_table },
	{ FS_OCFS2,		"ocfs2",		trans_fs_ocfs2_table },
	{ KERN_SETUID_DUMPABLE,	"suid_dumpable" },
	{}
};

static const struct trans_ctl_table trans_debug_table[] = {
	{}
};

static const struct trans_ctl_table trans_cdrom_table[] = {
	{ DEV_CDROM_INFO,		"info" },
	{ DEV_CDROM_AUTOCLOSE,		"autoclose" },
	{ DEV_CDROM_AUTOEJECT,		"autoeject" },
	{ DEV_CDROM_DEBUG,		"debug" },
	{ DEV_CDROM_LOCK,		"lock" },
	{ DEV_CDROM_CHECK_MEDIA,	"check_media" },
	{}
};

static const struct trans_ctl_table trans_ipmi_table[] = {
	{ DEV_IPMI_POWEROFF_POWERCYCLE,	"poweroff_powercycle" },
	{}
};

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

static const struct trans_ctl_table trans_raid_table[] = {
	{ DEV_RAID_SPEED_LIMIT_MIN,	"speed_limit_min" },
	{ DEV_RAID_SPEED_LIMIT_MAX,	"speed_limit_max" },
	{}
};

static const struct trans_ctl_table trans_scsi_table[] = {
	{ DEV_SCSI_LOGGING_LEVEL, "logging_level" },
	{}
};

static const struct trans_ctl_table trans_parport_default_table[] = {
	{ DEV_PARPORT_DEFAULT_TIMESLICE,	"timeslice" },
	{ DEV_PARPORT_DEFAULT_SPINTIME,		"spintime" },
	{}
};

static const struct trans_ctl_table trans_parport_device_table[] = {
	{ DEV_PARPORT_DEVICE_TIMESLICE,		"timeslice" },
	{}
};

static const struct trans_ctl_table trans_parport_devices_table[] = {
	{ DEV_PARPORT_DEVICES_ACTIVE,		"active" },
	{ 0, NULL, trans_parport_device_table },
	{}
};

static const struct trans_ctl_table trans_parport_parport_table[] = {
	{ DEV_PARPORT_SPINTIME,		"spintime" },
	{ DEV_PARPORT_BASE_ADDR,	"base-addr" },
	{ DEV_PARPORT_IRQ,		"irq" },
	{ DEV_PARPORT_DMA,		"dma" },
	{ DEV_PARPORT_MODES,		"modes" },
	{ DEV_PARPORT_DEVICES,		"devices",	trans_parport_devices_table },
	{ DEV_PARPORT_AUTOPROBE,	"autoprobe" },
	{ DEV_PARPORT_AUTOPROBE + 1,	"autoprobe0" },
	{ DEV_PARPORT_AUTOPROBE + 2,	"autoprobe1" },
	{ DEV_PARPORT_AUTOPROBE + 3,	"autoprobe2" },
	{ DEV_PARPORT_AUTOPROBE + 4,	"autoprobe3" },
	{}
};
static const struct trans_ctl_table trans_parport_table[] = {
	{ DEV_PARPORT_DEFAULT,	"default",	trans_parport_default_table },
	{ 0, NULL, trans_parport_parport_table },
	{}
};

static const struct trans_ctl_table trans_dev_table[] = {
	{ DEV_CDROM,	"cdrom",	trans_cdrom_table },
	/* DEV_HWMON unused */
	{ DEV_PARPORT,	"parport",	trans_parport_table },
	{ DEV_RAID,	"raid",		trans_raid_table },
	{ DEV_MAC_HID,	"mac_hid",	trans_mac_hid_files },
	{ DEV_SCSI,	"scsi",		trans_scsi_table },
	{ DEV_IPMI,	"ipmi",		trans_ipmi_table },
	{}
};

static const struct trans_ctl_table trans_bus_isa_table[] = {
	{ BUS_ISA_MEM_BASE,	"membase" },
	{ BUS_ISA_PORT_BASE,	"portbase" },
	{ BUS_ISA_PORT_SHIFT,	"portshift" },
	{}
};

static const struct trans_ctl_table trans_bus_table[] = {
	{ CTL_BUS_ISA,	"isa",	trans_bus_isa_table },
	{}
};

static const struct trans_ctl_table trans_arlan_conf_table0[] = {
	{ 1,	"spreadingCode" },
	{ 2,	"channelNumber" },
	{ 3,	"scramblingDisable" },
	{ 4,	"txAttenuation" },
	{ 5,	"systemId" },
	{ 6,	"maxDatagramSize" },
	{ 7,	"maxFrameSize" },
	{ 8,	"maxRetries" },
	{ 9,	"receiveMode" },
	{ 10,	"priority" },
	{ 11,	"rootOrRepeater" },
	{ 12,	"SID" },
	{ 13,	"registrationMode" },
	{ 14,	"registrationFill" },
	{ 15,	"localTalkAddress" },
	{ 16,	"codeFormat" },
	{ 17,	"numChannels" },
	{ 18,	"channel1" },
	{ 19,	"channel2" },
	{ 20,	"channel3" },
	{ 21,	"channel4" },
	{ 22,	"txClear" },
	{ 23,	"txRetries" },
	{ 24,	"txRouting" },
	{ 25,	"txScrambled" },
	{ 26,	"rxParameter" },
	{ 27,	"txTimeoutMs" },
	{ 28,	"waitCardTimeout" },
	{ 29,	"channelSet" },
	{ 30,	"name" },
	{ 31,	"waitTime" },
	{ 32,	"lParameter" },
	{ 33,	"_15" },
	{ 34,	"headerSize" },
	{ 36,	"tx_delay_ms" },
	{ 37,	"retries" },
	{ 38,	"ReTransmitPacketMaxSize" },
	{ 39,	"waitReTransmitPacketMaxSize" },
	{ 40,	"fastReTransCount" },
	{ 41,	"driverRetransmissions" },
	{ 42,	"txAckTimeoutMs" },
	{ 43,	"registrationInterrupts" },
	{ 44,	"hardwareType" },
	{ 45,	"radioType" },
	{ 46,	"writeEEPROM" },
	{ 47,	"writeRadioType" },
	{ 48,	"entry_exit_debug" },
	{ 49,	"debug" },
	{ 50,	"in_speed" },
	{ 51,	"out_speed" },
	{ 52,	"in_speed10" },
	{ 53,	"out_speed10" },
	{ 54,	"in_speed_max" },
	{ 55,	"out_speed_max" },
	{ 56,	"measure_rate" },
	{ 57,	"pre_Command_Wait" },
	{ 58,	"rx_tweak1" },
	{ 59,	"rx_tweak2" },
	{ 60,	"tx_queue_len" },

	{ 150,	"arlan0-txRing" },
	{ 151,	"arlan0-rxRing" },
	{ 152,	"arlan0-18" },
	{ 153,	"arlan0-ring" },
	{ 154,	"arlan0-shm-cpy" },
	{ 155,	"config0" },
	{ 156,	"reset0" },
	{}
};

static const struct trans_ctl_table trans_arlan_conf_table1[] = {
	{ 1,	"spreadingCode" },
	{ 2,	"channelNumber" },
	{ 3,	"scramblingDisable" },
	{ 4,	"txAttenuation" },
	{ 5,	"systemId" },
	{ 6,	"maxDatagramSize" },
	{ 7,	"maxFrameSize" },
	{ 8,	"maxRetries" },
	{ 9,	"receiveMode" },
	{ 10,	"priority" },
	{ 11,	"rootOrRepeater" },
	{ 12,	"SID" },
	{ 13,	"registrationMode" },
	{ 14,	"registrationFill" },
	{ 15,	"localTalkAddress" },
	{ 16,	"codeFormat" },
	{ 17,	"numChannels" },
	{ 18,	"channel1" },
	{ 19,	"channel2" },
	{ 20,	"channel3" },
	{ 21,	"channel4" },
	{ 22,	"txClear" },
	{ 23,	"txRetries" },
	{ 24,	"txRouting" },
	{ 25,	"txScrambled" },
	{ 26,	"rxParameter" },
	{ 27,	"txTimeoutMs" },
	{ 28,	"waitCardTimeout" },
	{ 29,	"channelSet" },
	{ 30,	"name" },
	{ 31,	"waitTime" },
	{ 32,	"lParameter" },
	{ 33,	"_15" },
	{ 34,	"headerSize" },
	{ 36,	"tx_delay_ms" },
	{ 37,	"retries" },
	{ 38,	"ReTransmitPacketMaxSize" },
	{ 39,	"waitReTransmitPacketMaxSize" },
	{ 40,	"fastReTransCount" },
	{ 41,	"driverRetransmissions" },
	{ 42,	"txAckTimeoutMs" },
	{ 43,	"registrationInterrupts" },
	{ 44,	"hardwareType" },
	{ 45,	"radioType" },
	{ 46,	"writeEEPROM" },
	{ 47,	"writeRadioType" },
	{ 48,	"entry_exit_debug" },
	{ 49,	"debug" },
	{ 50,	"in_speed" },
	{ 51,	"out_speed" },
	{ 52,	"in_speed10" },
	{ 53,	"out_speed10" },
	{ 54,	"in_speed_max" },
	{ 55,	"out_speed_max" },
	{ 56,	"measure_rate" },
	{ 57,	"pre_Command_Wait" },
	{ 58,	"rx_tweak1" },
	{ 59,	"rx_tweak2" },
	{ 60,	"tx_queue_len" },

	{ 150,	"arlan1-txRing" },
	{ 151,	"arlan1-rxRing" },
	{ 152,	"arlan1-18" },
	{ 153,	"arlan1-ring" },
	{ 154,	"arlan1-shm-cpy" },
	{ 155,	"config1" },
	{ 156,	"reset1" },
	{}
};

static const struct trans_ctl_table trans_arlan_conf_table2[] = {
	{ 1,	"spreadingCode" },
	{ 2,	"channelNumber" },
	{ 3,	"scramblingDisable" },
	{ 4,	"txAttenuation" },
	{ 5,	"systemId" },
	{ 6,	"maxDatagramSize" },
	{ 7,	"maxFrameSize" },
	{ 8,	"maxRetries" },
	{ 9,	"receiveMode" },
	{ 10,	"priority" },
	{ 11,	"rootOrRepeater" },
	{ 12,	"SID" },
	{ 13,	"registrationMode" },
	{ 14,	"registrationFill" },
	{ 15,	"localTalkAddress" },
	{ 16,	"codeFormat" },
	{ 17,	"numChannels" },
	{ 18,	"channel1" },
	{ 19,	"channel2" },
	{ 20,	"channel3" },
	{ 21,	"channel4" },
	{ 22,	"txClear" },
	{ 23,	"txRetries" },
	{ 24,	"txRouting" },
	{ 25,	"txScrambled" },
	{ 26,	"rxParameter" },
	{ 27,	"txTimeoutMs" },
	{ 28,	"waitCardTimeout" },
	{ 29,	"channelSet" },
	{ 30,	"name" },
	{ 31,	"waitTime" },
	{ 32,	"lParameter" },
	{ 33,	"_15" },
	{ 34,	"headerSize" },
	{ 36,	"tx_delay_ms" },
	{ 37,	"retries" },
	{ 38,	"ReTransmitPacketMaxSize" },
	{ 39,	"waitReTransmitPacketMaxSize" },
	{ 40,	"fastReTransCount" },
	{ 41,	"driverRetransmissions" },
	{ 42,	"txAckTimeoutMs" },
	{ 43,	"registrationInterrupts" },
	{ 44,	"hardwareType" },
	{ 45,	"radioType" },
	{ 46,	"writeEEPROM" },
	{ 47,	"writeRadioType" },
	{ 48,	"entry_exit_debug" },
	{ 49,	"debug" },
	{ 50,	"in_speed" },
	{ 51,	"out_speed" },
	{ 52,	"in_speed10" },
	{ 53,	"out_speed10" },
	{ 54,	"in_speed_max" },
	{ 55,	"out_speed_max" },
	{ 56,	"measure_rate" },
	{ 57,	"pre_Command_Wait" },
	{ 58,	"rx_tweak1" },
	{ 59,	"rx_tweak2" },
	{ 60,	"tx_queue_len" },

	{ 150,	"arlan2-txRing" },
	{ 151,	"arlan2-rxRing" },
	{ 152,	"arlan2-18" },
	{ 153,	"arlan2-ring" },
	{ 154,	"arlan2-shm-cpy" },
	{ 155,	"config2" },
	{ 156,	"reset2" },
	{}
};

static const struct trans_ctl_table trans_arlan_conf_table3[] = {
	{ 1,	"spreadingCode" },
	{ 2,	"channelNumber" },
	{ 3,	"scramblingDisable" },
	{ 4,	"txAttenuation" },
	{ 5,	"systemId" },
	{ 6,	"maxDatagramSize" },
	{ 7,	"maxFrameSize" },
	{ 8,	"maxRetries" },
	{ 9,	"receiveMode" },
	{ 10,	"priority" },
	{ 11,	"rootOrRepeater" },
	{ 12,	"SID" },
	{ 13,	"registrationMode" },
	{ 14,	"registrationFill" },
	{ 15,	"localTalkAddress" },
	{ 16,	"codeFormat" },
	{ 17,	"numChannels" },
	{ 18,	"channel1" },
	{ 19,	"channel2" },
	{ 20,	"channel3" },
	{ 21,	"channel4" },
	{ 22,	"txClear" },
	{ 23,	"txRetries" },
	{ 24,	"txRouting" },
	{ 25,	"txScrambled" },
	{ 26,	"rxParameter" },
	{ 27,	"txTimeoutMs" },
	{ 28,	"waitCardTimeout" },
	{ 29,	"channelSet" },
	{ 30,	"name" },
	{ 31,	"waitTime" },
	{ 32,	"lParameter" },
	{ 33,	"_15" },
	{ 34,	"headerSize" },
	{ 36,	"tx_delay_ms" },
	{ 37,	"retries" },
	{ 38,	"ReTransmitPacketMaxSize" },
	{ 39,	"waitReTransmitPacketMaxSize" },
	{ 40,	"fastReTransCount" },
	{ 41,	"driverRetransmissions" },
	{ 42,	"txAckTimeoutMs" },
	{ 43,	"registrationInterrupts" },
	{ 44,	"hardwareType" },
	{ 45,	"radioType" },
	{ 46,	"writeEEPROM" },
	{ 47,	"writeRadioType" },
	{ 48,	"entry_exit_debug" },
	{ 49,	"debug" },
	{ 50,	"in_speed" },
	{ 51,	"out_speed" },
	{ 52,	"in_speed10" },
	{ 53,	"out_speed10" },
	{ 54,	"in_speed_max" },
	{ 55,	"out_speed_max" },
	{ 56,	"measure_rate" },
	{ 57,	"pre_Command_Wait" },
	{ 58,	"rx_tweak1" },
	{ 59,	"rx_tweak2" },
	{ 60,	"tx_queue_len" },

	{ 150,	"arlan3-txRing" },
	{ 151,	"arlan3-rxRing" },
	{ 152,	"arlan3-18" },
	{ 153,	"arlan3-ring" },
	{ 154,	"arlan3-shm-cpy" },
	{ 155,	"config3" },
	{ 156,	"reset3" },
	{}
};

static const struct trans_ctl_table trans_arlan_table[] = {
	{ 1,		"arlan0",	trans_arlan_conf_table0 },
	{ 2,		"arlan1",	trans_arlan_conf_table1 },
	{ 3,		"arlan2",	trans_arlan_conf_table2 },
	{ 4,		"arlan3",	trans_arlan_conf_table3 },
	{}
};

static const struct trans_ctl_table trans_s390dbf_table[] = {
	{ 5678 /* CTL_S390DBF_STOPPABLE */,	"debug_stoppable" },
	{ 5679 /* CTL_S390DBF_ACTIVE */,	"debug_active" },
	{}
};

static const struct trans_ctl_table trans_sunrpc_table[] = {
	{ CTL_RPCDEBUG,		"rpc_debug" },
	{ CTL_NFSDEBUG,		"nfs_debug" },
	{ CTL_NFSDDEBUG,	"nfsd_debug" },
	{ CTL_NLMDEBUG,		"nlm_debug" },
	{ CTL_SLOTTABLE_UDP,	"udp_slot_table_entries" },
	{ CTL_SLOTTABLE_TCP,	"tcp_slot_table_entries" },
	{ CTL_MIN_RESVPORT,	"min_resvport" },
	{ CTL_MAX_RESVPORT,	"max_resvport" },
	{}
};

static const struct trans_ctl_table trans_pm_table[] = {
	{ 1 /* CTL_PM_SUSPEND */,	"suspend" },
	{ 2 /* CTL_PM_CMODE */,		"cmode" },
	{ 3 /* CTL_PM_P0 */,		"p0" },
	{ 4 /* CTL_PM_CM */,		"cm" },
	{}
};

static const struct trans_ctl_table trans_frv_table[] = {
	{ 1,	"cache-mode" },
	{ 2,	"pin-cxnr" },
	{}
};

static const struct trans_ctl_table trans_root_table[] = {
	{ CTL_KERN,	"kernel",	trans_kern_table },
	{ CTL_VM,	"vm",		trans_vm_table },
	{ CTL_NET,	"net",		trans_net_table },
	/* CTL_PROC not used */
	{ CTL_FS,	"fs",		trans_fs_table },
	{ CTL_DEBUG,	"debug",	trans_debug_table },
	{ CTL_DEV,	"dev",		trans_dev_table },
	{ CTL_BUS,	"bus",		trans_bus_table },
	{ CTL_ABI,	"abi" },
	/* CTL_CPU not used */
	{ CTL_ARLAN,	"arlan",	trans_arlan_table },
	{ CTL_S390DBF,	"s390dbf",	trans_s390dbf_table },
	{ CTL_SUNRPC,	"sunrpc",	trans_sunrpc_table },
	{ CTL_PM,	"pm",		trans_pm_table },
	{ CTL_FRV,	"frv",		trans_frv_table },
	{}
};




static int sysctl_depth(struct ctl_table *table)
{
	struct ctl_table *tmp;
	int depth;

	depth = 0;
	for (tmp = table; tmp->parent; tmp = tmp->parent)
		depth++;

	return depth;
}

static struct ctl_table *sysctl_parent(struct ctl_table *table, int n)
{
	int i;

	for (i = 0; table && i < n; i++)
		table = table->parent;

	return table;
}

static const struct trans_ctl_table *sysctl_binary_lookup(struct ctl_table *table)
{
	struct ctl_table *test;
	const struct trans_ctl_table *ref;
	int cur_depth;

	cur_depth = sysctl_depth(table);

	ref = trans_root_table;
repeat:
	test = sysctl_parent(table, cur_depth);
	for (; ref->ctl_name || ref->procname || ref->child; ref++) {
		int match = 0;

		if (cur_depth && !ref->child)
			continue;

		if (test->procname && ref->procname &&
			(strcmp(test->procname, ref->procname) == 0))
			match++;

		if (test->ctl_name && ref->ctl_name &&
			(test->ctl_name == ref->ctl_name))
			match++;

		if (!ref->ctl_name && !ref->procname)
			match++;

		if (match) {
			if (cur_depth != 0) {
				cur_depth--;
				ref = ref->child;
				goto repeat;
			}
			goto out;
		}
	}
	ref = NULL;
out:
	return ref;
}

static void sysctl_print_path(struct ctl_table *table)
{
	struct ctl_table *tmp;
	int depth, i;
	depth = sysctl_depth(table);
	if (table->procname) {
		for (i = depth; i >= 0; i--) {
			tmp = sysctl_parent(table, i);
			printk("/%s", tmp->procname?tmp->procname:"");
		}
	}
	printk(" ");
	if (table->ctl_name) {
		for (i = depth; i >= 0; i--) {
			tmp = sysctl_parent(table, i);
			printk(".%d", tmp->ctl_name);
		}
	}
}

static void sysctl_repair_table(struct ctl_table *table)
{
	/* Don't complain about the classic default
	 * sysctl strategy routine.  Maybe later we
	 * can get the tables fixed and complain about
	 * this.
	 */
	if (table->ctl_name && table->procname &&
		(table->proc_handler == proc_dointvec) &&
		(!table->strategy)) {
		table->strategy = sysctl_data;
	}
}

static struct ctl_table *sysctl_check_lookup(struct nsproxy *namespaces,
						struct ctl_table *table)
{
	struct ctl_table_header *head;
	struct ctl_table *ref, *test;
	int depth, cur_depth;

	depth = sysctl_depth(table);

	for (head = __sysctl_head_next(namespaces, NULL); head;
	     head = __sysctl_head_next(namespaces, head)) {
		cur_depth = depth;
		ref = head->ctl_table;
repeat:
		test = sysctl_parent(table, cur_depth);
		for (; ref->ctl_name || ref->procname; ref++) {
			int match = 0;
			if (cur_depth && !ref->child)
				continue;

			if (test->procname && ref->procname &&
			    (strcmp(test->procname, ref->procname) == 0))
					match++;

			if (test->ctl_name && ref->ctl_name &&
			    (test->ctl_name == ref->ctl_name))
				match++;

			if (match) {
				if (cur_depth != 0) {
					cur_depth--;
					ref = ref->child;
					goto repeat;
				}
				goto out;
			}
		}
	}
	ref = NULL;
out:
	sysctl_head_finish(head);
	return ref;
}

static void set_fail(const char **fail, struct ctl_table *table, const char *str)
{
	if (*fail) {
		printk(KERN_ERR "sysctl table check failed: ");
		sysctl_print_path(table);
		printk(" %s\n", *fail);
		dump_stack();
	}
	*fail = str;
}

static int sysctl_check_dir(struct nsproxy *namespaces,
				struct ctl_table *table)
{
	struct ctl_table *ref;
	int error;

	error = 0;
	ref = sysctl_check_lookup(namespaces, table);
	if (ref) {
		int match = 0;
		if ((!table->procname && !ref->procname) ||
		    (table->procname && ref->procname &&
		     (strcmp(table->procname, ref->procname) == 0)))
			match++;

		if ((!table->ctl_name && !ref->ctl_name) ||
		    (table->ctl_name && ref->ctl_name &&
		     (table->ctl_name == ref->ctl_name)))
			match++;

		if (match != 2) {
			printk(KERN_ERR "%s: failed: ", __func__);
			sysctl_print_path(table);
			printk(" ref: ");
			sysctl_print_path(ref);
			printk("\n");
			error = -EINVAL;
		}
	}
	return error;
}

static void sysctl_check_leaf(struct nsproxy *namespaces,
				struct ctl_table *table, const char **fail)
{
	struct ctl_table *ref;

	ref = sysctl_check_lookup(namespaces, table);
	if (ref && (ref != table))
		set_fail(fail, table, "Sysctl already exists");
}

static void sysctl_check_bin_path(struct ctl_table *table, const char **fail)
{
	const struct trans_ctl_table *ref;

	ref = sysctl_binary_lookup(table);
	if (table->ctl_name && !ref)
		set_fail(fail, table, "Unknown sysctl binary path");
	if (ref) {
		if (ref->procname &&
		    (!table->procname ||
		     (strcmp(table->procname, ref->procname) != 0)))
			set_fail(fail, table, "procname does not match binary path procname");

		if (ref->ctl_name && table->ctl_name &&
		    (table->ctl_name != ref->ctl_name))
			set_fail(fail, table, "ctl_name does not match binary path ctl_name");
	}
}

int sysctl_check_table(struct nsproxy *namespaces, struct ctl_table *table)
{
	int error = 0;
	for (; table->ctl_name || table->procname; table++) {
		const char *fail = NULL;

		sysctl_repair_table(table);
		if (table->parent) {
			if (table->procname && !table->parent->procname)
				set_fail(&fail, table, "Parent without procname");
			if (table->ctl_name && !table->parent->ctl_name)
				set_fail(&fail, table, "Parent without ctl_name");
		}
		if (!table->procname)
			set_fail(&fail, table, "No procname");
		if (table->child) {
			if (table->data)
				set_fail(&fail, table, "Directory with data?");
			if (table->maxlen)
				set_fail(&fail, table, "Directory with maxlen?");
			if ((table->mode & (S_IRUGO|S_IXUGO)) != table->mode)
				set_fail(&fail, table, "Writable sysctl directory");
			if (table->proc_handler)
				set_fail(&fail, table, "Directory with proc_handler");
			if (table->strategy)
				set_fail(&fail, table, "Directory with strategy");
			if (table->extra1)
				set_fail(&fail, table, "Directory with extra1");
			if (table->extra2)
				set_fail(&fail, table, "Directory with extra2");
			if (sysctl_check_dir(namespaces, table))
				set_fail(&fail, table, "Inconsistent directory names");
		} else {
			if ((table->strategy == sysctl_data) ||
			    (table->strategy == sysctl_string) ||
			    (table->strategy == sysctl_intvec) ||
			    (table->strategy == sysctl_jiffies) ||
			    (table->strategy == sysctl_ms_jiffies) ||
			    (table->proc_handler == proc_dostring) ||
			    (table->proc_handler == proc_dointvec) ||
			    (table->proc_handler == proc_dointvec_minmax) ||
			    (table->proc_handler == proc_dointvec_jiffies) ||
			    (table->proc_handler == proc_dointvec_userhz_jiffies) ||
			    (table->proc_handler == proc_dointvec_ms_jiffies) ||
			    (table->proc_handler == proc_doulongvec_minmax) ||
			    (table->proc_handler == proc_doulongvec_ms_jiffies_minmax)) {
				if (!table->data)
					set_fail(&fail, table, "No data");
				if (!table->maxlen)
					set_fail(&fail, table, "No maxlen");
			}
			if ((table->proc_handler == proc_doulongvec_minmax) ||
			    (table->proc_handler == proc_doulongvec_ms_jiffies_minmax)) {
				if (table->maxlen > sizeof (unsigned long)) {
					if (!table->extra1)
						set_fail(&fail, table, "No min");
					if (!table->extra2)
						set_fail(&fail, table, "No max");
				}
			}
#ifdef CONFIG_SYSCTL_SYSCALL
			if (table->ctl_name && !table->strategy)
				set_fail(&fail, table, "Missing strategy");
#endif
#if 0
			if (!table->ctl_name && table->strategy)
				set_fail(&fail, table, "Strategy without ctl_name");
#endif
#ifdef CONFIG_PROC_FS
			if (table->procname && !table->proc_handler)
				set_fail(&fail, table, "No proc_handler");
#endif
#if 0
			if (!table->procname && table->proc_handler)
				set_fail(&fail, table, "proc_handler without procname");
#endif
			sysctl_check_leaf(namespaces, table, &fail);
		}
		sysctl_check_bin_path(table, &fail);
		if (table->mode > 0777)
			set_fail(&fail, table, "bogus .mode");
		if (fail) {
			set_fail(&fail, table, NULL);
			error = -EINVAL;
		}
		if (table->child)
			error |= sysctl_check_table(namespaces, table->child);
	}
	return error;
}