****************************************************************
****************************************************************
**
+ ** WARNING:
** The values in this file are exported to user space via
- ** the sysctl() binary interface. However this interface
- ** is unstable and deprecated and will be removed in the future.
- ** For a stable interface use /proc/sys.
+ ** the sysctl() binary interface. Do *NOT* change the
+ ** numbering of any existing values here, and do not change
+ ** any numbers within any one set of values. If you have to
+ ** redefine an existing interface, use a new number for it.
+ ** The kernel will then return -ENOTDIR to any application using
+ ** the old binary interface.
+ **
+ ** For new interfaces unless you really need a binary number
+ ** please use CTL_UNNUMBERED.
**
****************************************************************
****************************************************************
#include <linux/kernel.h>
#include <linux/types.h>
-#include <linux/list.h>
#include <linux/compiler.h>
struct file;
+struct completion;
#define CTL_MAXNAME 10 /* how many path components do we allow in a
call to sysctl? In other words, what is
#ifdef __KERNEL__
#define CTL_ANY -1 /* Matches any name */
#define CTL_NONE 0
+#define CTL_UNNUMBERED CTL_NONE /* sysctl without a binary number */
#endif
enum
CTL_KERN=1, /* General kernel info and control */
CTL_VM=2, /* VM management */
CTL_NET=3, /* Networking */
- CTL_PROC=4, /* Process info */
+ /* was CTL_PROC */
CTL_FS=5, /* Filesystems */
CTL_DEBUG=6, /* Debugging */
CTL_DEV=7, /* Devices */
CTL_BUS_ISA=1 /* ISA */
};
+/* /proc/sys/fs/inotify/ */
+enum
+{
+ INOTIFY_MAX_USER_INSTANCES=1, /* max instances per user */
+ INOTIFY_MAX_USER_WATCHES=2, /* max watches per user */
+ INOTIFY_MAX_QUEUED_EVENTS=3 /* max queued events per instance */
+};
+
/* CTL_KERN names: */
enum
{
KERN_CAP_BSET=14, /* int: capability bounding set */
KERN_PANIC=15, /* int: panic timeout */
+ KERN_EXEC_SHIELD=1000, /* int: exec-shield enabled (0/1/2) */
+ KERN_PRINT_FATAL=1001, /* int: print fatal signals (0/1/2) */
KERN_REALROOTDEV=16, /* real root device to mount after initrd */
+ KERN_VSHELPER=17, /* string: path to vshelper policy agent */
KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
KERN_OVERFLOWUID=46, /* int: overflow UID */
KERN_OVERFLOWGID=47, /* int: overflow GID */
KERN_SHMPATH=48, /* string: path to shm fs */
- KERN_HOTPLUG=49, /* string: path to hotplug policy agent */
+ KERN_HOTPLUG=49, /* string: path to uevent helper (deprecated) */
KERN_IEEE_EMULATION_WARNINGS=50, /* int: unimplemented ieee instructions */
KERN_S390_USER_DEBUG_LOGGING=51, /* int: dumps of user faults */
KERN_CORE_USES_PID=52, /* int: use core or core.%pid */
KERN_NGROUPS_MAX=63, /* int: NGROUPS_MAX */
KERN_SPARC_SCONS_PWROFF=64, /* int: serial console power-off halt */
KERN_HZ_TIMER=65, /* int: hz timer on or off */
- KERN_VSHELPER=66, /* string: path to vshelper policy agent */
+ KERN_UNKNOWN_NMI_PANIC=66, /* int: unknown nmi panic flag */
+ KERN_BOOTLOADER_TYPE=67, /* int: boot loader type */
+ KERN_RANDOMIZE=68, /* int: randomize virtual address space */
+ KERN_SETUID_DUMPABLE=69, /* int: behaviour of dumps for setuid core */
+ KERN_SPIN_RETRY=70, /* int: number of spinlock retries */
+ KERN_ACPI_VIDEO_FLAGS=71, /* int: flags for setting up video after ACPI sleep */
+ KERN_IA64_UNALIGNED=72, /* int: ia64 unaligned userland trap enable */
+ KERN_COMPAT_LOG=73, /* int: print compat layer messages */
+ KERN_MAX_LOCK_DEPTH=74,
+ KERN_NMI_WATCHDOG=75, /* int: enable/disable nmi watchdog */
+ KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */
};
+
/* CTL_VM names: */
enum
{
VM_PAGEBUF=17, /* struct: Control pagebuf parameters */
VM_HUGETLB_PAGES=18, /* int: Number of available Huge Pages */
VM_SWAPPINESS=19, /* Tendency to steal mapped memory */
- VM_LOWER_ZONE_PROTECTION=20,/* Amount of protection of lower zones */
+ VM_LOWMEM_RESERVE_RATIO=20,/* reservation ratio for lower memory zones */
VM_MIN_FREE_KBYTES=21, /* Minimum free kilobytes to maintain */
VM_MAX_MAP_COUNT=22, /* int: Maximum number of mmaps/address-space */
VM_LAPTOP_MODE=23, /* vm laptop mode */
VM_BLOCK_DUMP=24, /* block dump mode */
VM_HUGETLB_GROUP=25, /* permitted hugetlb group */
+ VM_VFS_CACHE_PRESSURE=26, /* dcache/icache reclaim pressure */
+ VM_LEGACY_VA_LAYOUT=27, /* legacy/compatibility virtual address space layout */
+ VM_SWAP_TOKEN_TIMEOUT=28, /* default time for token time out */
+ VM_DROP_PAGECACHE=29, /* int: nuke lots of pagecache */
+ VM_PERCPU_PAGELIST_FRACTION=30,/* int: fraction of pages in each percpu_pagelist */
+ VM_ZONE_RECLAIM_MODE=31, /* reclaim local zone memory before going off node */
+ VM_MIN_UNMAPPED=32, /* Set min percent of unmapped pages */
+ VM_PANIC_ON_OOM=33, /* panic at out-of-memory */
+ VM_VDSO_ENABLED=34, /* map VDSO into new processes? */
+ VM_MIN_SLAB=35, /* Percent pages ignored by zone reclaim */
};
NET_TR=14,
NET_DECNET=15,
NET_ECONET=16,
- NET_SCTP=17,
+ NET_SCTP=17,
+ NET_LLC=18,
+ NET_NETFILTER=19,
+ NET_DCCP=20,
};
/* /proc/sys/kernel/random */
NET_CORE_MOD_CONG=16,
NET_CORE_DEV_WEIGHT=17,
NET_CORE_SOMAXCONN=18,
+ NET_CORE_BUDGET=19,
+ NET_CORE_AEVENT_ETIME=20,
+ NET_CORE_AEVENT_RSEQTH=21,
};
/* /proc/sys/net/ethernet */
NET_UNIX_MAX_DGRAM_QLEN=3,
};
+/* /proc/sys/net/netfilter */
+enum
+{
+ NET_NF_CONNTRACK_MAX=1,
+ NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT=2,
+ NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV=3,
+ NET_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED=4,
+ NET_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT=5,
+ NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT=6,
+ NET_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK=7,
+ NET_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT=8,
+ NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE=9,
+ NET_NF_CONNTRACK_UDP_TIMEOUT=10,
+ NET_NF_CONNTRACK_UDP_TIMEOUT_STREAM=11,
+ NET_NF_CONNTRACK_ICMP_TIMEOUT=12,
+ NET_NF_CONNTRACK_GENERIC_TIMEOUT=13,
+ NET_NF_CONNTRACK_BUCKETS=14,
+ NET_NF_CONNTRACK_LOG_INVALID=15,
+ NET_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS=16,
+ NET_NF_CONNTRACK_TCP_LOOSE=17,
+ NET_NF_CONNTRACK_TCP_BE_LIBERAL=18,
+ NET_NF_CONNTRACK_TCP_MAX_RETRANS=19,
+ NET_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED=20,
+ NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT=21,
+ NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED=22,
+ NET_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED=23,
+ NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT=24,
+ NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD=25,
+ NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT=26,
+ NET_NF_CONNTRACK_COUNT=27,
+ NET_NF_CONNTRACK_ICMPV6_TIMEOUT=28,
+ NET_NF_CONNTRACK_FRAG6_TIMEOUT=29,
+ NET_NF_CONNTRACK_FRAG6_LOW_THRESH=30,
+ NET_NF_CONNTRACK_FRAG6_HIGH_THRESH=31,
+ NET_NF_CONNTRACK_CHECKSUM=32,
+};
+
/* /proc/sys/net/ipv4 */
enum
{
NET_TCP_FRTO=92,
NET_TCP_LOW_LATENCY=93,
NET_IPV4_IPFRAG_SECRET_INTERVAL=94,
- NET_TCP_WESTWOOD=95,
NET_IPV4_IGMP_MAX_MSF=96,
NET_TCP_NO_METRICS_SAVE=97,
- NET_TCP_VEGAS=98,
- NET_TCP_VEGAS_ALPHA=99,
- NET_TCP_VEGAS_BETA=100,
- NET_TCP_VEGAS_GAMMA=101,
- NET_TCP_BIC=102,
- NET_TCP_BIC_FAST_CONVERGENCE=103,
- NET_TCP_BIC_LOW_WINDOW=104,
NET_TCP_DEFAULT_WIN_SCALE=105,
NET_TCP_MODERATE_RCVBUF=106,
+ NET_TCP_TSO_WIN_DIVISOR=107,
+ NET_TCP_BIC_BETA=108,
+ NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR=109,
+ NET_TCP_CONG_CONTROL=110,
+ NET_TCP_ABC=111,
+ NET_IPV4_IPFRAG_MAX_DIST=112,
+ NET_TCP_MTU_PROBING=113,
+ NET_TCP_BASE_MSS=114,
+ NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS=115,
+ NET_TCP_DMA_COPYBREAK=116,
+ NET_TCP_SLOW_START_AFTER_IDLE=117,
+ NET_CIPSOV4_CACHE_ENABLE=118,
+ NET_CIPSOV4_CACHE_BUCKET_SIZE=119,
+ NET_CIPSOV4_RBM_OPTFMT=120,
+ NET_CIPSOV4_RBM_STRICTVALID=121,
+ NET_TCP_AVAIL_CONG_CONTROL=122,
+ NET_TCP_ALLOWED_CONG_CONTROL=123,
};
enum {
NET_IPV4_ROUTE_MIN_PMTU=16,
NET_IPV4_ROUTE_MIN_ADVMSS=17,
NET_IPV4_ROUTE_SECRET_INTERVAL=18,
+ NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS=19,
};
enum
NET_IPV4_CONF_FORCE_IGMP_VERSION=17,
NET_IPV4_CONF_ARP_ANNOUNCE=18,
NET_IPV4_CONF_ARP_IGNORE=19,
+ NET_IPV4_CONF_PROMOTE_SECONDARIES=20,
+ NET_IPV4_CONF_ARP_ACCEPT=21,
+ __NET_IPV4_CONF_MAX
};
/* /proc/sys/net/ipv4/netfilter */
NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT=12,
NET_IPV4_NF_CONNTRACK_GENERIC_TIMEOUT=13,
NET_IPV4_NF_CONNTRACK_BUCKETS=14,
+ NET_IPV4_NF_CONNTRACK_LOG_INVALID=15,
+ NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS=16,
+ NET_IPV4_NF_CONNTRACK_TCP_LOOSE=17,
+ NET_IPV4_NF_CONNTRACK_TCP_BE_LIBERAL=18,
+ NET_IPV4_NF_CONNTRACK_TCP_MAX_RETRANS=19,
+ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED=20,
+ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT=21,
+ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED=22,
+ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED=23,
+ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT=24,
+ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD=25,
+ NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT=26,
+ NET_IPV4_NF_CONNTRACK_COUNT=27,
+ NET_IPV4_NF_CONNTRACK_CHECKSUM=28,
};
/* /proc/sys/net/ipv6 */
NET_IPV6_ROUTE_GC_INTERVAL=6,
NET_IPV6_ROUTE_GC_ELASTICITY=7,
NET_IPV6_ROUTE_MTU_EXPIRES=8,
- NET_IPV6_ROUTE_MIN_ADVMSS=9
+ NET_IPV6_ROUTE_MIN_ADVMSS=9,
+ NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS=10
};
enum {
NET_IPV6_REGEN_MAX_RETRY=14,
NET_IPV6_MAX_DESYNC_FACTOR=15,
NET_IPV6_MAX_ADDRESSES=16,
- NET_IPV6_FORCE_MLD_VERSION=17
+ NET_IPV6_FORCE_MLD_VERSION=17,
+ NET_IPV6_ACCEPT_RA_DEFRTR=18,
+ NET_IPV6_ACCEPT_RA_PINFO=19,
+ NET_IPV6_ACCEPT_RA_RTR_PREF=20,
+ NET_IPV6_RTR_PROBE_INTERVAL=21,
+ NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN=22,
+ NET_IPV6_PROXY_NDP=23,
+ NET_IPV6_ACCEPT_SOURCE_ROUTE=25,
+ __NET_IPV6_MAX
};
/* /proc/sys/net/ipv6/icmp */
NET_NEIGH_GC_INTERVAL=13,
NET_NEIGH_GC_THRESH1=14,
NET_NEIGH_GC_THRESH2=15,
- NET_NEIGH_GC_THRESH3=16
+ NET_NEIGH_GC_THRESH3=16,
+ NET_NEIGH_RETRANS_TIME_MS=17,
+ NET_NEIGH_REACHABLE_TIME_MS=18,
+ __NET_NEIGH_MAX
+};
+
+/* /proc/sys/net/dccp */
+enum {
+ NET_DCCP_DEFAULT=1,
};
/* /proc/sys/net/ipx */
NET_IPX_FORWARDING=2
};
+/* /proc/sys/net/llc */
+enum {
+ NET_LLC2=1,
+ NET_LLC_STATION=2,
+};
+
+/* /proc/sys/net/llc/llc2 */
+enum {
+ NET_LLC2_TIMEOUT=1,
+};
+
+/* /proc/sys/net/llc/station */
+enum {
+ NET_LLC_STATION_ACK_TIMEOUT=1,
+};
+
+/* /proc/sys/net/llc/llc2/timeout */
+enum {
+ NET_LLC2_ACK_TIMEOUT=1,
+ NET_LLC2_P_TIMEOUT=2,
+ NET_LLC2_REJ_TIMEOUT=3,
+ NET_LLC2_BUSY_TIMEOUT=4,
+};
/* /proc/sys/net/appletalk */
enum {
NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE=8,
NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT=9,
NET_NETROM_ROUTING_CONTROL=10,
- NET_NETROM_LINK_FAILS_COUNT=11
+ NET_NETROM_LINK_FAILS_COUNT=11,
+ NET_NETROM_RESET=12
};
/* /proc/sys/net/ax25 */
NET_DECNET_DST_GC_INTERVAL = 9,
NET_DECNET_CONF = 10,
NET_DECNET_NO_FC_MAX_CWND = 11,
+ NET_DECNET_MEM = 12,
+ NET_DECNET_RMEM = 13,
+ NET_DECNET_WMEM = 14,
NET_DECNET_DEBUG_LEVEL = 255
};
NET_SCTP_MAX_BURST = 12,
NET_SCTP_ADDIP_ENABLE = 13,
NET_SCTP_PRSCTP_ENABLE = 14,
+ NET_SCTP_SNDBUF_POLICY = 15,
+ NET_SCTP_SACK_TIMEOUT = 16,
+ NET_SCTP_RCVBUF_POLICY = 17,
};
/* /proc/sys/net/bridge */
NET_BRIDGE_NF_FILTER_VLAN_TAGGED = 4,
};
-/* CTL_PROC names: */
-
/* CTL_FS names: */
enum
{
FS_LEASES=13, /* int: leases enabled */
FS_DIR_NOTIFY=14, /* int: directory notification enabled */
FS_LEASE_TIME=15, /* int: maximum time to wait for a lease break */
- FS_DQSTATS=16, /* disc quota usage statistics */
+ FS_DQSTATS=16, /* disc quota usage statistics and control */
FS_XFS=17, /* struct: control xfs parameters */
FS_AIO_NR=18, /* current system-wide number of aio requests */
FS_AIO_MAX_NR=19, /* system-wide maximum number of aio requests */
+ FS_INOTIFY=20, /* inotify submenu */
};
/* /proc/sys/fs/quota/ */
FS_DQ_ALLOCATED = 6,
FS_DQ_FREE = 7,
FS_DQ_SYNCS = 8,
+ FS_DQ_WARNINGS = 9,
};
/* CTL_DEBUG names: */
DEV_RAID=4,
DEV_MAC_HID=5,
DEV_SCSI=6,
+ DEV_IPMI=7,
};
/* /proc/sys/dev/cdrom */
DEV_SCSI_LOGGING_LEVEL=1,
};
+/* /proc/sys/dev/ipmi */
+enum {
+ DEV_IPMI_POWEROFF_POWERCYCLE=1,
+};
+
/* /proc/sys/abi */
enum
{
};
#ifdef __KERNEL__
+#include <linux/list.h>
extern void sysctl_init(void);
typedef int ctl_handler (ctl_table *table, int __user *name, int nlen,
void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen,
- void **context);
+ void __user *newval, size_t newlen);
typedef int proc_handler (ctl_table *ctl, int write, struct file * filp,
- void __user *buffer, size_t *lenp);
+ void __user *buffer, size_t *lenp, loff_t *ppos);
extern int proc_dostring(ctl_table *, int, struct file *,
- void __user *, size_t *);
+ void __user *, size_t *, loff_t *);
extern int proc_dointvec(ctl_table *, int, struct file *,
- void __user *, size_t *);
+ void __user *, size_t *, loff_t *);
extern int proc_dointvec_bset(ctl_table *, int, struct file *,
- void __user *, size_t *);
+ void __user *, size_t *, loff_t *);
extern int proc_dointvec_minmax(ctl_table *, int, struct file *,
- void __user *, size_t *);
+ void __user *, size_t *, loff_t *);
extern int proc_dointvec_jiffies(ctl_table *, int, struct file *,
- void __user *, size_t *);
+ void __user *, size_t *, loff_t *);
extern int proc_dointvec_userhz_jiffies(ctl_table *, int, struct file *,
- void __user *, size_t *);
+ void __user *, size_t *, loff_t *);
+extern int proc_dointvec_ms_jiffies(ctl_table *, int, struct file *,
+ void __user *, size_t *, loff_t *);
extern int proc_doulongvec_minmax(ctl_table *, int, struct file *,
- void __user *, size_t *);
+ void __user *, size_t *, loff_t *);
extern int proc_doulongvec_ms_jiffies_minmax(ctl_table *table, int,
- struct file *, void __user *, size_t *);
+ struct file *, void __user *, size_t *, loff_t *);
extern int do_sysctl (int __user *name, int nlen,
void __user *oldval, size_t __user *oldlenp,
extern int do_sysctl_strategy (ctl_table *table,
int __user *name, int nlen,
void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen, void ** context);
+ void __user *newval, size_t newlen);
extern ctl_handler sysctl_string;
extern ctl_handler sysctl_intvec;
extern ctl_handler sysctl_jiffies;
+extern ctl_handler sysctl_ms_jiffies;
/*
* Register a set of sysctl names by calling register_sysctl_table
* with an initialised array of ctl_table's. An entry with zero
- * ctl_name terminates the table. table->de will be set up by the
- * registration and need not be initialised in advance.
+ * ctl_name and NULL procname terminates the table. table->de will be
+ * set up by the registration and need not be initialised in advance.
*
* sysctl names can be mirrored automatically under /proc/sys. The
* procname supplied controls /proc naming.
* Leaf nodes in the sysctl tree will be represented by a single file
* under /proc; non-leaf nodes will be represented by directories. A
* null procname disables /proc mirroring at this node.
- *
+ *
+ * sysctl entries with a zero ctl_name will not be available through
+ * the binary sysctl interface.
+ *
* sysctl(2) can automatically manage read and write requests through
* the sysctl table. The data and maxlen fields of the ctl_table
* struct enable minimal validation of the values being written to be
{
ctl_table *ctl_table;
struct list_head ctl_entry;
+ int used;
+ struct completion *unregistering;
};
struct ctl_table_header * register_sysctl_table(ctl_table * table,
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