WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/drivers/linuxc26/include/linux/sysctl.h

Rev	Author	Line No.	Line
422	giacomo	1	/*
		2	* sysctl.h: General linux system control interface
		3	*
		4	* Begun 24 March 1995, Stephen Tweedie
		5	*
		6	****************************************************************
		7	****************************************************************
		8	**
		9	** The values in this file are exported to user space via
		10	** the sysctl() binary interface. However this interface
		11	** is unstable and deprecated and will be removed in the future.
		12	** For a stable interface use /proc/sys.
		13	**
		14	****************************************************************
		15	****************************************************************
		16	*/
		17
		18	#ifndef _LINUX_SYSCTL_H
		19	#define _LINUX_SYSCTL_H
		20
		21	#include <linux/kernel.h>
		22	#include <linux/types.h>
		23	#include <linux/list.h>
		24	#include <linux/compiler.h>
		25
		26	struct file;
		27
		28	#define CTL_MAXNAME 10 /* how many path components do we allow in a
		29	call to sysctl? In other words, what is
		30	the largest acceptable value for the nlen
		31	member of a struct __sysctl_args to have? */
		32
		33	struct __sysctl_args {
		34	int __user *name;
		35	int nlen;
		36	void __user *oldval;
		37	size_t __user *oldlenp;
		38	void __user *newval;
		39	size_t newlen;
		40	unsigned long __unused[4];
		41	};
		42
		43	/* Define sysctl names first */
		44
		45	/* Top-level names: */
		46
		47	/* For internal pattern-matching use only: */
		48	#ifdef __KERNEL__
		49	#define CTL_ANY -1 /* Matches any name */
		50	#define CTL_NONE 0
		51	#endif
		52
		53	enum
		54	{
		55	CTL_KERN=1, /* General kernel info and control */
		56	CTL_VM=2, /* VM management */
		57	CTL_NET=3, /* Networking */
		58	CTL_PROC=4, /* Process info */
		59	CTL_FS=5, /* Filesystems */
		60	CTL_DEBUG=6, /* Debugging */
		61	CTL_DEV=7, /* Devices */
		62	CTL_BUS=8, /* Busses */
		63	CTL_ABI=9, /* Binary emulation */
		64	CTL_CPU=10 /* CPU stuff (speed scaling, etc) */
		65	};
		66
		67	/* CTL_BUS names: */
		68	enum
		69	{
		70	CTL_BUS_ISA=1 /* ISA */
		71	};
		72
		73	/* CTL_KERN names: */
		74	enum
		75	{
		76	KERN_OSTYPE=1, /* string: system version */
		77	KERN_OSRELEASE=2, /* string: system release */
		78	KERN_OSREV=3, /* int: system revision */
		79	KERN_VERSION=4, /* string: compile time info */
		80	KERN_SECUREMASK=5, /* struct: maximum rights mask */
		81	KERN_PROF=6, /* table: profiling information */
		82	KERN_NODENAME=7,
		83	KERN_DOMAINNAME=8,
		84
		85	KERN_CAP_BSET=14, /* int: capability bounding set */
		86	KERN_PANIC=15, /* int: panic timeout */
		87	KERN_REALROOTDEV=16, /* real root device to mount after initrd */
		88
		89	KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
		90	KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
		91	KERN_PRINTK=23, /* struct: control printk logging parameters */
		92	KERN_NAMETRANS=24, /* Name translation */
		93	KERN_PPC_HTABRECLAIM=25, /* turn htab reclaimation on/off on PPC */
		94	KERN_PPC_ZEROPAGED=26, /* turn idle page zeroing on/off on PPC */
		95	KERN_PPC_POWERSAVE_NAP=27, /* use nap mode for power saving */
		96	KERN_MODPROBE=28,
		97	KERN_SG_BIG_BUFF=29,
		98	KERN_ACCT=30, /* BSD process accounting parameters */
		99	KERN_PPC_L2CR=31, /* l2cr register on PPC */
		100
		101	KERN_RTSIGNR=32, /* Number of rt sigs queued */
		102	KERN_RTSIGMAX=33, /* Max queuable */
		103
		104	KERN_SHMMAX=34, /* long: Maximum shared memory segment */
		105	KERN_MSGMAX=35, /* int: Maximum size of a messege */
		106	KERN_MSGMNB=36, /* int: Maximum message queue size */
		107	KERN_MSGPOOL=37, /* int: Maximum system message pool size */
		108	KERN_SYSRQ=38, /* int: Sysreq enable */
		109	KERN_MAX_THREADS=39, /* int: Maximum nr of threads in the system */
		110	KERN_RANDOM=40, /* Random driver */
		111	KERN_SHMALL=41, /* int: Maximum size of shared memory */
		112	KERN_MSGMNI=42, /* int: msg queue identifiers */
		113	KERN_SEM=43, /* struct: sysv semaphore limits */
		114	KERN_SPARC_STOP_A=44, /* int: Sparc Stop-A enable */
		115	KERN_SHMMNI=45, /* int: shm array identifiers */
		116	KERN_OVERFLOWUID=46, /* int: overflow UID */
		117	KERN_OVERFLOWGID=47, /* int: overflow GID */
		118	KERN_SHMPATH=48, /* string: path to shm fs */
		119	KERN_HOTPLUG=49, /* string: path to hotplug policy agent */
		120	KERN_IEEE_EMULATION_WARNINGS=50, /* int: unimplemented ieee instructions */
		121	KERN_S390_USER_DEBUG_LOGGING=51, /* int: dumps of user faults */
		122	KERN_CORE_USES_PID=52, /* int: use core or core.%pid */
		123	KERN_TAINTED=53, /* int: various kernel tainted flags */
		124	KERN_CADPID=54, /* int: PID of the process to notify on CAD */
		125	KERN_PIDMAX=55, /* int: PID # limit */
		126	KERN_CORE_PATTERN=56, /* string: pattern for core-file names */
		127	KERN_PANIC_ON_OOPS=57, /* int: whether we will panic on an oops */
		128	KERN_HPPA_PWRSW=58, /* int: hppa soft-power enable */
		129	KERN_HPPA_UNALIGNED=59, /* int: hppa unaligned-trap enable */
		130	};
		131
		132
		133	/* CTL_VM names: */
		134	enum
		135	{
		136	VM_UNUSED1=1, /* was: struct: Set vm swapping control */
		137	VM_UNUSED2=2, /* was; int: Linear or sqrt() swapout for hogs */
		138	VM_UNUSED3=3, /* was: struct: Set free page thresholds */
		139	VM_UNUSED4=4, /* Spare */
		140	VM_OVERCOMMIT_MEMORY=5, /* Turn off the virtual memory safety limit */
		141	VM_UNUSED5=6, /* was: struct: Set buffer memory thresholds */
		142	VM_UNUSED7=7, /* was: struct: Set cache memory thresholds */
		143	VM_UNUSED8=8, /* was: struct: Control kswapd behaviour */
		144	VM_UNUSED9=9, /* was: struct: Set page table cache parameters */
		145	VM_PAGE_CLUSTER=10, /* int: set number of pages to swap together */
		146	VM_DIRTY_BACKGROUND=11, /* dirty_background_ratio */
		147	VM_DIRTY_RATIO=12, /* dirty_ratio */
		148	VM_DIRTY_WB_CS=13, /* dirty_writeback_centisecs */
		149	VM_DIRTY_EXPIRE_CS=14, /* dirty_expire_centisecs */
		150	VM_NR_PDFLUSH_THREADS=15, /* nr_pdflush_threads */
		151	VM_OVERCOMMIT_RATIO=16, /* percent of RAM to allow overcommit in */
		152	VM_PAGEBUF=17, /* struct: Control pagebuf parameters */
		153	VM_HUGETLB_PAGES=18, /* int: Number of available Huge Pages */
		154	VM_SWAPPINESS=19, /* Tendency to steal mapped memory */
		155	VM_LOWER_ZONE_PROTECTION=20,/* Amount of protection of lower zones */
		156	VM_MIN_FREE_KBYTES=21, /* Minimum free kilobytes to maintain */
		157	};
		158
		159
		160	/* CTL_NET names: */
		161	enum
		162	{
		163	NET_CORE=1,
		164	NET_ETHER=2,
		165	NET_802=3,
		166	NET_UNIX=4,
		167	NET_IPV4=5,
		168	NET_IPX=6,
		169	NET_ATALK=7,
		170	NET_NETROM=8,
		171	NET_AX25=9,
		172	NET_BRIDGE=10,
		173	NET_ROSE=11,
		174	NET_IPV6=12,
		175	NET_X25=13,
		176	NET_TR=14,
		177	NET_DECNET=15,
		178	NET_ECONET=16,
		179	NET_SCTP=17,
		180	};
		181
		182	/* /proc/sys/kernel/random */
		183	enum
		184	{
		185	RANDOM_POOLSIZE=1,
		186	RANDOM_ENTROPY_COUNT=2,
		187	RANDOM_READ_THRESH=3,
		188	RANDOM_WRITE_THRESH=4,
		189	RANDOM_BOOT_ID=5,
		190	RANDOM_UUID=6
		191	};
		192
		193	/* /proc/sys/bus/isa */
		194	enum
		195	{
		196	BUS_ISA_MEM_BASE=1,
		197	BUS_ISA_PORT_BASE=2,
		198	BUS_ISA_PORT_SHIFT=3
		199	};
		200
		201	/* /proc/sys/net/core */
		202	enum
		203	{
		204	NET_CORE_WMEM_MAX=1,
		205	NET_CORE_RMEM_MAX=2,
		206	NET_CORE_WMEM_DEFAULT=3,
		207	NET_CORE_RMEM_DEFAULT=4,
		208	/* was NET_CORE_DESTROY_DELAY */
		209	NET_CORE_MAX_BACKLOG=6,
		210	NET_CORE_FASTROUTE=7,
		211	NET_CORE_MSG_COST=8,
		212	NET_CORE_MSG_BURST=9,
		213	NET_CORE_OPTMEM_MAX=10,
		214	NET_CORE_HOT_LIST_LENGTH=11,
		215	NET_CORE_DIVERT_VERSION=12,
		216	NET_CORE_NO_CONG_THRESH=13,
		217	NET_CORE_NO_CONG=14,
		218	NET_CORE_LO_CONG=15,
		219	NET_CORE_MOD_CONG=16,
		220	NET_CORE_DEV_WEIGHT=17,
		221	NET_CORE_SOMAXCONN=18,
		222	};
		223
		224	/* /proc/sys/net/ethernet */
		225
		226	/* /proc/sys/net/802 */
		227
		228	/* /proc/sys/net/unix */
		229
		230	enum
		231	{
		232	NET_UNIX_DESTROY_DELAY=1,
		233	NET_UNIX_DELETE_DELAY=2,
		234	NET_UNIX_MAX_DGRAM_QLEN=3,
		235	};
		236
		237	/* /proc/sys/net/ipv4 */
		238	enum
		239	{
		240	/* v2.0 compatibile variables */
		241	NET_IPV4_FORWARD=8,
		242	NET_IPV4_DYNADDR=9,
		243
		244	NET_IPV4_CONF=16,
		245	NET_IPV4_NEIGH=17,
		246	NET_IPV4_ROUTE=18,
		247	NET_IPV4_FIB_HASH=19,
		248	NET_IPV4_NETFILTER=20,
		249
		250	NET_IPV4_TCP_TIMESTAMPS=33,
		251	NET_IPV4_TCP_WINDOW_SCALING=34,
		252	NET_IPV4_TCP_SACK=35,
		253	NET_IPV4_TCP_RETRANS_COLLAPSE=36,
		254	NET_IPV4_DEFAULT_TTL=37,
		255	NET_IPV4_AUTOCONFIG=38,
		256	NET_IPV4_NO_PMTU_DISC=39,
		257	NET_IPV4_TCP_SYN_RETRIES=40,
		258	NET_IPV4_IPFRAG_HIGH_THRESH=41,
		259	NET_IPV4_IPFRAG_LOW_THRESH=42,
		260	NET_IPV4_IPFRAG_TIME=43,
		261	NET_IPV4_TCP_MAX_KA_PROBES=44,
		262	NET_IPV4_TCP_KEEPALIVE_TIME=45,
		263	NET_IPV4_TCP_KEEPALIVE_PROBES=46,
		264	NET_IPV4_TCP_RETRIES1=47,
		265	NET_IPV4_TCP_RETRIES2=48,
		266	NET_IPV4_TCP_FIN_TIMEOUT=49,
		267	NET_IPV4_IP_MASQ_DEBUG=50,
		268	NET_TCP_SYNCOOKIES=51,
		269	NET_TCP_STDURG=52,
		270	NET_TCP_RFC1337=53,
		271	NET_TCP_SYN_TAILDROP=54,
		272	NET_TCP_MAX_SYN_BACKLOG=55,
		273	NET_IPV4_LOCAL_PORT_RANGE=56,
		274	NET_IPV4_ICMP_ECHO_IGNORE_ALL=57,
		275	NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS=58,
		276	NET_IPV4_ICMP_SOURCEQUENCH_RATE=59,
		277	NET_IPV4_ICMP_DESTUNREACH_RATE=60,
		278	NET_IPV4_ICMP_TIMEEXCEED_RATE=61,
		279	NET_IPV4_ICMP_PARAMPROB_RATE=62,
		280	NET_IPV4_ICMP_ECHOREPLY_RATE=63,
		281	NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES=64,
		282	NET_IPV4_IGMP_MAX_MEMBERSHIPS=65,
		283	NET_TCP_TW_RECYCLE=66,
		284	NET_IPV4_ALWAYS_DEFRAG=67,
		285	NET_IPV4_TCP_KEEPALIVE_INTVL=68,
		286	NET_IPV4_INET_PEER_THRESHOLD=69,
		287	NET_IPV4_INET_PEER_MINTTL=70,
		288	NET_IPV4_INET_PEER_MAXTTL=71,
		289	NET_IPV4_INET_PEER_GC_MINTIME=72,
		290	NET_IPV4_INET_PEER_GC_MAXTIME=73,
		291	NET_TCP_ORPHAN_RETRIES=74,
		292	NET_TCP_ABORT_ON_OVERFLOW=75,
		293	NET_TCP_SYNACK_RETRIES=76,
		294	NET_TCP_MAX_ORPHANS=77,
		295	NET_TCP_MAX_TW_BUCKETS=78,
		296	NET_TCP_FACK=79,
		297	NET_TCP_REORDERING=80,
		298	NET_TCP_ECN=81,
		299	NET_TCP_DSACK=82,
		300	NET_TCP_MEM=83,
		301	NET_TCP_WMEM=84,
		302	NET_TCP_RMEM=85,
		303	NET_TCP_APP_WIN=86,
		304	NET_TCP_ADV_WIN_SCALE=87,
		305	NET_IPV4_NONLOCAL_BIND=88,
		306	NET_IPV4_ICMP_RATELIMIT=89,
		307	NET_IPV4_ICMP_RATEMASK=90,
		308	NET_TCP_TW_REUSE=91,
		309	NET_TCP_FRTO=92,
		310	NET_TCP_LOW_LATENCY=93,
		311	NET_IPV4_IPFRAG_SECRET_INTERVAL=94,
		312	};
		313
		314	enum {
		315	NET_IPV4_ROUTE_FLUSH=1,
		316	NET_IPV4_ROUTE_MIN_DELAY=2,
		317	NET_IPV4_ROUTE_MAX_DELAY=3,
		318	NET_IPV4_ROUTE_GC_THRESH=4,
		319	NET_IPV4_ROUTE_MAX_SIZE=5,
		320	NET_IPV4_ROUTE_GC_MIN_INTERVAL=6,
		321	NET_IPV4_ROUTE_GC_TIMEOUT=7,
		322	NET_IPV4_ROUTE_GC_INTERVAL=8,
		323	NET_IPV4_ROUTE_REDIRECT_LOAD=9,
		324	NET_IPV4_ROUTE_REDIRECT_NUMBER=10,
		325	NET_IPV4_ROUTE_REDIRECT_SILENCE=11,
		326	NET_IPV4_ROUTE_ERROR_COST=12,
		327	NET_IPV4_ROUTE_ERROR_BURST=13,
		328	NET_IPV4_ROUTE_GC_ELASTICITY=14,
		329	NET_IPV4_ROUTE_MTU_EXPIRES=15,
		330	NET_IPV4_ROUTE_MIN_PMTU=16,
		331	NET_IPV4_ROUTE_MIN_ADVMSS=17,
		332	NET_IPV4_ROUTE_SECRET_INTERVAL=18,
		333	};
		334
		335	enum
		336	{
		337	NET_PROTO_CONF_ALL=-2,
		338	NET_PROTO_CONF_DEFAULT=-3
		339
		340	/* And device ifindices ... */
		341	};
		342
		343	enum
		344	{
		345	NET_IPV4_CONF_FORWARDING=1,
		346	NET_IPV4_CONF_MC_FORWARDING=2,
		347	NET_IPV4_CONF_PROXY_ARP=3,
		348	NET_IPV4_CONF_ACCEPT_REDIRECTS=4,
		349	NET_IPV4_CONF_SECURE_REDIRECTS=5,
		350	NET_IPV4_CONF_SEND_REDIRECTS=6,
		351	NET_IPV4_CONF_SHARED_MEDIA=7,
		352	NET_IPV4_CONF_RP_FILTER=8,
		353	NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE=9,
		354	NET_IPV4_CONF_BOOTP_RELAY=10,
		355	NET_IPV4_CONF_LOG_MARTIANS=11,
		356	NET_IPV4_CONF_TAG=12,
		357	NET_IPV4_CONF_ARPFILTER=13,
		358	NET_IPV4_CONF_MEDIUM_ID=14,
		359	NET_IPV4_CONF_NOXFRM=15,
		360	NET_IPV4_CONF_NOPOLICY=16,
		361	};
		362
		363	/* /proc/sys/net/ipv4/netfilter */
		364	enum
		365	{
		366	NET_IPV4_NF_CONNTRACK_MAX=1,
		367	NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT=2,
		368	NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV=3,
		369	NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED=4,
		370	NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT=5,
		371	NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT=6,
		372	NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK=7,
		373	NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT=8,
		374	NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE=9,
		375	NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT=10,
		376	NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM=11,
		377	NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT=12,
		378	NET_IPV4_NF_CONNTRACK_GENERIC_TIMEOUT=13,
		379	};
		380
		381	/* /proc/sys/net/ipv6 */
		382	enum {
		383	NET_IPV6_CONF=16,
		384	NET_IPV6_NEIGH=17,
		385	NET_IPV6_ROUTE=18,
		386	NET_IPV6_ICMP=19,
		387	NET_IPV6_BINDV6ONLY=20,
		388	NET_IPV6_IP6FRAG_HIGH_THRESH=21,
		389	NET_IPV6_IP6FRAG_LOW_THRESH=22,
		390	NET_IPV6_IP6FRAG_TIME=23,
		391	NET_IPV6_IP6FRAG_SECRET_INTERVAL=24
		392	};
		393
		394	enum {
		395	NET_IPV6_ROUTE_FLUSH=1,
		396	NET_IPV6_ROUTE_GC_THRESH=2,
		397	NET_IPV6_ROUTE_MAX_SIZE=3,
		398	NET_IPV6_ROUTE_GC_MIN_INTERVAL=4,
		399	NET_IPV6_ROUTE_GC_TIMEOUT=5,
		400	NET_IPV6_ROUTE_GC_INTERVAL=6,
		401	NET_IPV6_ROUTE_GC_ELASTICITY=7,
		402	NET_IPV6_ROUTE_MTU_EXPIRES=8,
		403	NET_IPV6_ROUTE_MIN_ADVMSS=9
		404	};
		405
		406	enum {
		407	NET_IPV6_FORWARDING=1,
		408	NET_IPV6_HOP_LIMIT=2,
		409	NET_IPV6_MTU=3,
		410	NET_IPV6_ACCEPT_RA=4,
		411	NET_IPV6_ACCEPT_REDIRECTS=5,
		412	NET_IPV6_AUTOCONF=6,
		413	NET_IPV6_DAD_TRANSMITS=7,
		414	NET_IPV6_RTR_SOLICITS=8,
		415	NET_IPV6_RTR_SOLICIT_INTERVAL=9,
		416	NET_IPV6_RTR_SOLICIT_DELAY=10,
		417	NET_IPV6_USE_TEMPADDR=11,
		418	NET_IPV6_TEMP_VALID_LFT=12,
		419	NET_IPV6_TEMP_PREFERED_LFT=13,
		420	NET_IPV6_REGEN_MAX_RETRY=14,
		421	NET_IPV6_MAX_DESYNC_FACTOR=15
		422	};
		423
		424	/* /proc/sys/net/ipv6/icmp */
		425	enum {
		426	NET_IPV6_ICMP_RATELIMIT=1
		427	};
		428
		429	/* /proc/sys/net/<protocol>/neigh/<dev> */
		430	enum {
		431	NET_NEIGH_MCAST_SOLICIT=1,
		432	NET_NEIGH_UCAST_SOLICIT=2,
		433	NET_NEIGH_APP_SOLICIT=3,
		434	NET_NEIGH_RETRANS_TIME=4,
		435	NET_NEIGH_REACHABLE_TIME=5,
		436	NET_NEIGH_DELAY_PROBE_TIME=6,
		437	NET_NEIGH_GC_STALE_TIME=7,
		438	NET_NEIGH_UNRES_QLEN=8,
		439	NET_NEIGH_PROXY_QLEN=9,
		440	NET_NEIGH_ANYCAST_DELAY=10,
		441	NET_NEIGH_PROXY_DELAY=11,
		442	NET_NEIGH_LOCKTIME=12,
		443	NET_NEIGH_GC_INTERVAL=13,
		444	NET_NEIGH_GC_THRESH1=14,
		445	NET_NEIGH_GC_THRESH2=15,
		446	NET_NEIGH_GC_THRESH3=16
		447	};
		448
		449	/* /proc/sys/net/ipx */
		450	enum {
		451	NET_IPX_PPROP_BROADCASTING=1,
		452	NET_IPX_FORWARDING=2
		453	};
		454
		455
		456	/* /proc/sys/net/appletalk */
		457	enum {
		458	NET_ATALK_AARP_EXPIRY_TIME=1,
		459	NET_ATALK_AARP_TICK_TIME=2,
		460	NET_ATALK_AARP_RETRANSMIT_LIMIT=3,
		461	NET_ATALK_AARP_RESOLVE_TIME=4
		462	};
		463
		464
		465	/* /proc/sys/net/netrom */
		466	enum {
		467	NET_NETROM_DEFAULT_PATH_QUALITY=1,
		468	NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER=2,
		469	NET_NETROM_NETWORK_TTL_INITIALISER=3,
		470	NET_NETROM_TRANSPORT_TIMEOUT=4,
		471	NET_NETROM_TRANSPORT_MAXIMUM_TRIES=5,
		472	NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY=6,
		473	NET_NETROM_TRANSPORT_BUSY_DELAY=7,
		474	NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE=8,
		475	NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT=9,
		476	NET_NETROM_ROUTING_CONTROL=10,
		477	NET_NETROM_LINK_FAILS_COUNT=11
		478	};
		479
		480	/* /proc/sys/net/ax25 */
		481	enum {
		482	NET_AX25_IP_DEFAULT_MODE=1,
		483	NET_AX25_DEFAULT_MODE=2,
		484	NET_AX25_BACKOFF_TYPE=3,
		485	NET_AX25_CONNECT_MODE=4,
		486	NET_AX25_STANDARD_WINDOW=5,
		487	NET_AX25_EXTENDED_WINDOW=6,
		488	NET_AX25_T1_TIMEOUT=7,
		489	NET_AX25_T2_TIMEOUT=8,
		490	NET_AX25_T3_TIMEOUT=9,
		491	NET_AX25_IDLE_TIMEOUT=10,
		492	NET_AX25_N2=11,
		493	NET_AX25_PACLEN=12,
		494	NET_AX25_PROTOCOL=13,
		495	NET_AX25_DAMA_SLAVE_TIMEOUT=14
		496	};
		497
		498	/* /proc/sys/net/rose */
		499	enum {
		500	NET_ROSE_RESTART_REQUEST_TIMEOUT=1,
		501	NET_ROSE_CALL_REQUEST_TIMEOUT=2,
		502	NET_ROSE_RESET_REQUEST_TIMEOUT=3,
		503	NET_ROSE_CLEAR_REQUEST_TIMEOUT=4,
		504	NET_ROSE_ACK_HOLD_BACK_TIMEOUT=5,
		505	NET_ROSE_ROUTING_CONTROL=6,
		506	NET_ROSE_LINK_FAIL_TIMEOUT=7,
		507	NET_ROSE_MAX_VCS=8,
		508	NET_ROSE_WINDOW_SIZE=9,
		509	NET_ROSE_NO_ACTIVITY_TIMEOUT=10
		510	};
		511
		512	/* /proc/sys/net/x25 */
		513	enum {
		514	NET_X25_RESTART_REQUEST_TIMEOUT=1,
		515	NET_X25_CALL_REQUEST_TIMEOUT=2,
		516	NET_X25_RESET_REQUEST_TIMEOUT=3,
		517	NET_X25_CLEAR_REQUEST_TIMEOUT=4,
		518	NET_X25_ACK_HOLD_BACK_TIMEOUT=5
		519	};
		520
		521	/* /proc/sys/net/token-ring */
		522	enum
		523	{
		524	NET_TR_RIF_TIMEOUT=1
		525	};
		526
		527	/* /proc/sys/net/decnet/ */
		528	enum {
		529	NET_DECNET_NODE_TYPE = 1,
		530	NET_DECNET_NODE_ADDRESS = 2,
		531	NET_DECNET_NODE_NAME = 3,
		532	NET_DECNET_DEFAULT_DEVICE = 4,
		533	NET_DECNET_TIME_WAIT = 5,
		534	NET_DECNET_DN_COUNT = 6,
		535	NET_DECNET_DI_COUNT = 7,
		536	NET_DECNET_DR_COUNT = 8,
		537	NET_DECNET_DST_GC_INTERVAL = 9,
		538	NET_DECNET_CONF = 10,
		539	NET_DECNET_NO_FC_MAX_CWND = 11,
		540	NET_DECNET_DEBUG_LEVEL = 255
		541	};
		542
		543	/* /proc/sys/net/decnet/conf/<dev> */
		544	enum {
		545	NET_DECNET_CONF_LOOPBACK = -2,
		546	NET_DECNET_CONF_DDCMP = -3,
		547	NET_DECNET_CONF_PPP = -4,
		548	NET_DECNET_CONF_X25 = -5,
		549	NET_DECNET_CONF_GRE = -6,
		550	NET_DECNET_CONF_ETHER = -7
		551
		552	/* ... and ifindex of devices */
		553	};
		554
		555	/* /proc/sys/net/decnet/conf/<dev>/ */
		556	enum {
		557	NET_DECNET_CONF_DEV_PRIORITY = 1,
		558	NET_DECNET_CONF_DEV_T1 = 2,
		559	NET_DECNET_CONF_DEV_T2 = 3,
		560	NET_DECNET_CONF_DEV_T3 = 4,
		561	NET_DECNET_CONF_DEV_FORWARDING = 5,
		562	NET_DECNET_CONF_DEV_BLKSIZE = 6,
		563	NET_DECNET_CONF_DEV_STATE = 7
		564	};
		565
		566	/* /proc/sys/net/sctp */
		567	enum {
		568	NET_SCTP_RTO_INITIAL = 1,
		569	NET_SCTP_RTO_MIN = 2,
		570	NET_SCTP_RTO_MAX = 3,
		571	NET_SCTP_RTO_ALPHA = 4,
		572	NET_SCTP_RTO_BETA = 5,
		573	NET_SCTP_VALID_COOKIE_LIFE = 6,
		574	NET_SCTP_ASSOCIATION_MAX_RETRANS = 7,
		575	NET_SCTP_PATH_MAX_RETRANS = 8,
		576	NET_SCTP_MAX_INIT_RETRANSMITS = 9,
		577	NET_SCTP_HB_INTERVAL = 10,
		578	NET_SCTP_PRESERVE_ENABLE = 11,
		579	NET_SCTP_MAX_BURST = 12,
		580	};
		581
		582	/* CTL_PROC names: */
		583
		584	/* CTL_FS names: */
		585	enum
		586	{
		587	FS_NRINODE=1, /* int:current number of allocated inodes */
		588	FS_STATINODE=2,
		589	FS_MAXINODE=3, /* int:maximum number of inodes that can be allocated */
		590	FS_NRDQUOT=4, /* int:current number of allocated dquots */
		591	FS_MAXDQUOT=5, /* int:maximum number of dquots that can be allocated */
		592	FS_NRFILE=6, /* int:current number of allocated filedescriptors */
		593	FS_MAXFILE=7, /* int:maximum number of filedescriptors that can be allocated */
		594	FS_DENTRY=8,
		595	FS_NRSUPER=9, /* int:current number of allocated super_blocks */
		596	FS_MAXSUPER=10, /* int:maximum number of super_blocks that can be allocated */
		597	FS_OVERFLOWUID=11, /* int: overflow UID */
		598	FS_OVERFLOWGID=12, /* int: overflow GID */
		599	FS_LEASES=13, /* int: leases enabled */
		600	FS_DIR_NOTIFY=14, /* int: directory notification enabled */
		601	FS_LEASE_TIME=15, /* int: maximum time to wait for a lease break */
		602	FS_DQSTATS=16, /* disc quota usage statistics */
		603	FS_XFS=17, /* struct: control xfs parameters */
		604	};
		605
		606	/* /proc/sys/fs/quota/ */
		607	enum {
		608	FS_DQ_LOOKUPS = 1,
		609	FS_DQ_DROPS = 2,
		610	FS_DQ_READS = 3,
		611	FS_DQ_WRITES = 4,
		612	FS_DQ_CACHE_HITS = 5,
		613	FS_DQ_ALLOCATED = 6,
		614	FS_DQ_FREE = 7,
		615	FS_DQ_SYNCS = 8,
		616	};
		617
		618	/* CTL_DEBUG names: */
		619
		620	/* CTL_DEV names: */
		621	enum {
		622	DEV_CDROM=1,
		623	DEV_HWMON=2,
		624	DEV_PARPORT=3,
		625	DEV_RAID=4,
		626	DEV_MAC_HID=5,
		627	DEV_SCSI=6,
		628	};
		629
		630	/* /proc/sys/dev/cdrom */
		631	enum {
		632	DEV_CDROM_INFO=1,
		633	DEV_CDROM_AUTOCLOSE=2,
		634	DEV_CDROM_AUTOEJECT=3,
		635	DEV_CDROM_DEBUG=4,
		636	DEV_CDROM_LOCK=5,
		637	DEV_CDROM_CHECK_MEDIA=6
		638	};
		639
		640	/* /proc/sys/dev/parport */
		641	enum {
		642	DEV_PARPORT_DEFAULT=-3
		643	};
		644
		645	/* /proc/sys/dev/raid */
		646	enum {
		647	DEV_RAID_SPEED_LIMIT_MIN=1,
		648	DEV_RAID_SPEED_LIMIT_MAX=2
		649	};
		650
		651	/* /proc/sys/dev/parport/default */
		652	enum {
		653	DEV_PARPORT_DEFAULT_TIMESLICE=1,
		654	DEV_PARPORT_DEFAULT_SPINTIME=2
		655	};
		656
		657	/* /proc/sys/dev/parport/parport n */
		658	enum {
		659	DEV_PARPORT_SPINTIME=1,
		660	DEV_PARPORT_BASE_ADDR=2,
		661	DEV_PARPORT_IRQ=3,
		662	DEV_PARPORT_DMA=4,
		663	DEV_PARPORT_MODES=5,
		664	DEV_PARPORT_DEVICES=6,
		665	DEV_PARPORT_AUTOPROBE=16
		666	};
		667
		668	/* /proc/sys/dev/parport/parport n/devices/ */
		669	enum {
		670	DEV_PARPORT_DEVICES_ACTIVE=-3,
		671	};
		672
		673	/* /proc/sys/dev/parport/parport n/devices/device n */
		674	enum {
		675	DEV_PARPORT_DEVICE_TIMESLICE=1,
		676	};
		677
		678	/* /proc/sys/dev/mac_hid */
		679	enum {
		680	DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES=1,
		681	DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES=2,
		682	DEV_MAC_HID_MOUSE_BUTTON_EMULATION=3,
		683	DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE=4,
		684	DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE=5,
		685	DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES=6
		686	};
		687
		688	/* /proc/sys/dev/scsi */
		689	enum {
		690	DEV_SCSI_LOGGING_LEVEL=1,
		691	};
		692
		693	/* /proc/sys/abi */
		694	enum
		695	{
		696	ABI_DEFHANDLER_COFF=1, /* default handler for coff binaries */
		697	ABI_DEFHANDLER_ELF=2, /* default handler for ELF binaries */
		698	ABI_DEFHANDLER_LCALL7=3,/* default handler for procs using lcall7 */
		699	ABI_DEFHANDLER_LIBCSO=4,/* default handler for an libc.so ELF interp */
		700	ABI_TRACE=5, /* tracing flags */
		701	ABI_FAKE_UTSNAME=6, /* fake target utsname information */
		702	};
		703
		704	#ifdef __KERNEL__
		705
		706	extern asmlinkage long sys_sysctl(struct __sysctl_args __user *);
		707	extern void sysctl_init(void);
		708
		709	typedef struct ctl_table ctl_table;
		710
		711	typedef int ctl_handler (ctl_table table, int __user name, int nlen,
		712	void __user oldval, size_t __user oldlenp,
		713	void __user *newval, size_t newlen,
		714	void **context);
		715
		716	typedef int proc_handler (ctl_table ctl, int write, struct file filp,
		717	void __user buffer, size_t lenp);
		718
		719	extern int proc_dostring(ctl_table , int, struct file ,
		720	void __user , size_t );
		721	extern int proc_dointvec(ctl_table , int, struct file ,
		722	void __user , size_t );
		723	extern int proc_dointvec_bset(ctl_table , int, struct file ,
		724	void __user , size_t );
		725	extern int proc_dointvec_minmax(ctl_table , int, struct file ,
		726	void __user , size_t );
		727	extern int proc_dointvec_jiffies(ctl_table , int, struct file ,
		728	void __user , size_t );
		729	extern int proc_doulongvec_minmax(ctl_table , int, struct file ,
		730	void __user , size_t );
		731	extern int proc_doulongvec_ms_jiffies_minmax(ctl_table *table, int,
		732	struct file , void __user , size_t *);
		733
		734	extern int do_sysctl (int __user *name, int nlen,
		735	void __user oldval, size_t __user oldlenp,
		736	void __user *newval, size_t newlen);
		737
		738	extern int do_sysctl_strategy (ctl_table *table,
		739	int __user *name, int nlen,
		740	void __user oldval, size_t __user oldlenp,
		741	void __user newval, size_t newlen, void * context);
		742
		743	extern ctl_handler sysctl_string;
		744	extern ctl_handler sysctl_intvec;
		745	extern ctl_handler sysctl_jiffies;
		746
		747
		748	/*
		749	* Register a set of sysctl names by calling register_sysctl_table
		750	* with an initialised array of ctl_table's. An entry with zero
		751	* ctl_name terminates the table. table->de will be set up by the
		752	* registration and need not be initialised in advance.
		753	*
		754	* sysctl names can be mirrored automatically under /proc/sys. The
		755	* procname supplied controls /proc naming.
		756	*
		757	* The table's mode will be honoured both for sys_sysctl(2) and
		758	* proc-fs access.
		759	*
		760	* Leaf nodes in the sysctl tree will be represented by a single file
		761	* under /proc; non-leaf nodes will be represented by directories. A
		762	* null procname disables /proc mirroring at this node.
		763	*
		764	* sysctl(2) can automatically manage read and write requests through
		765	* the sysctl table. The data and maxlen fields of the ctl_table
		766	* struct enable minimal validation of the values being written to be
		767	* performed, and the mode field allows minimal authentication.
		768	*
		769	* More sophisticated management can be enabled by the provision of a
		770	* strategy routine with the table entry. This will be called before
		771	* any automatic read or write of the data is performed.
		772	*
		773	* The strategy routine may return:
		774	* <0: Error occurred (error is passed to user process)
		775	* 0: OK - proceed with automatic read or write.
		776	* >0: OK - read or write has been done by the strategy routine, so
		777	* return immediately.
		778	*
		779	* There must be a proc_handler routine for any terminal nodes
		780	* mirrored under /proc/sys (non-terminals are handled by a built-in
		781	* directory handler). Several default handlers are available to
		782	* cover common cases.
		783	*/
		784
		785	/* A sysctl table is an array of struct ctl_table: */
		786	struct ctl_table
		787	{
		788	int ctl_name; /* Binary ID */
		789	const char procname; / Text ID for /proc/sys, or zero */
		790	void *data;
		791	int maxlen;
		792	mode_t mode;
		793	ctl_table *child;
		794	proc_handler proc_handler; / Callback for text formatting */
		795	ctl_handler strategy; / Callback function for all r/w */
		796	struct proc_dir_entry de; / /proc control block */
		797	void *extra1;
		798	void *extra2;
		799	};
		800
		801	/* struct ctl_table_header is used to maintain dynamic lists of
		802	ctl_table trees. */
		803	struct ctl_table_header
		804	{
		805	ctl_table *ctl_table;
		806	struct list_head ctl_entry;
		807	};
		808
		809	struct ctl_table_header * register_sysctl_table(ctl_table * table,
		810	int insert_at_head);
		811	void unregister_sysctl_table(struct ctl_table_header * table);
		812
		813	#else /* __KERNEL__ */
		814
		815	#endif /* __KERNEL__ */
		816
		817	#endif /* _LINUX_SYSCTL_H */

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