****************************************************************
****************************************************************
**
+ ** 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.
**
****************************************************************
****************************************************************
#include <linux/types.h>
#include <linux/compiler.h>
-struct file;
struct completion;
#define CTL_MAXNAME 10 /* how many path components do we allow in a
/* Top-level names: */
-/* For internal pattern-matching use only: */
-#ifdef __KERNEL__
-#define CTL_ANY -1 /* Matches any name */
-#define CTL_NONE 0
-#endif
-
enum
{
CTL_KERN=1, /* General kernel info and control */
CTL_VM=2, /* VM management */
CTL_NET=3, /* Networking */
- CTL_PROC=4, /* Process info */
+ CTL_PROC=4, /* removal breaks strace(1) compilation */
CTL_FS=5, /* Filesystems */
CTL_DEBUG=6, /* Debugging */
CTL_DEV=7, /* Devices */
CTL_BUS=8, /* Busses */
CTL_ABI=9, /* Binary emulation */
- CTL_CPU=10 /* CPU stuff (speed scaling, etc) */
+ CTL_CPU=10, /* CPU stuff (speed scaling, etc) */
+ CTL_ARLAN=254, /* arlan wireless driver */
+ CTL_S390DBF=5677, /* s390 debug */
+ CTL_SUNRPC=7249, /* sunrpc debug */
+ CTL_PM=9899, /* frv power management */
+ CTL_FRV=9898, /* frv specific sysctls */
};
/* CTL_BUS names: */
KERN_VERSION=4, /* string: compile time info */
KERN_SECUREMASK=5, /* struct: maximum rights mask */
KERN_PROF=6, /* table: profiling information */
- KERN_NODENAME=7,
- KERN_DOMAINNAME=8,
+ KERN_NODENAME=7, /* string: hostname */
+ KERN_DOMAINNAME=8, /* string: domainname */
- KERN_CAP_BSET=14, /* int: capability bounding set */
KERN_PANIC=15, /* int: panic timeout */
KERN_REALROOTDEV=16, /* real root device to mount after initrd */
KERN_PPC_HTABRECLAIM=25, /* turn htab reclaimation on/off on PPC */
KERN_PPC_ZEROPAGED=26, /* turn idle page zeroing on/off on PPC */
KERN_PPC_POWERSAVE_NAP=27, /* use nap mode for power saving */
- KERN_MODPROBE=28,
- KERN_SG_BIG_BUFF=29,
+ KERN_MODPROBE=28, /* string: modprobe path */
+ KERN_SG_BIG_BUFF=29, /* int: sg driver reserved buffer size */
KERN_ACCT=30, /* BSD process accounting parameters */
KERN_PPC_L2CR=31, /* l2cr register on PPC */
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, /* int: rtmutex's maximum lock depth */
+ 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_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_ZONE_RECLAIM_INTERVAL=32, /* time period to wait after reclaim failure */
+ 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_LLC=18,
NET_NETFILTER=19,
NET_DCCP=20,
+ NET_IRDA=412,
};
/* /proc/sys/kernel/random */
NET_CORE_BUDGET=19,
NET_CORE_AEVENT_ETIME=20,
NET_CORE_AEVENT_RSEQTH=21,
+ NET_CORE_WARNINGS=22,
};
/* /proc/sys/net/ethernet */
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,
+ NET_TCP_MAX_SSTHRESH=124,
+ NET_TCP_FRTO_RESPONSE=125,
};
enum {
NET_IPV4_ROUTE_FLUSH=1,
- NET_IPV4_ROUTE_MIN_DELAY=2,
- NET_IPV4_ROUTE_MAX_DELAY=3,
+ NET_IPV4_ROUTE_MIN_DELAY=2, /* obsolete since 2.6.25 */
+ NET_IPV4_ROUTE_MAX_DELAY=3, /* obsolete since 2.6.25 */
NET_IPV4_ROUTE_GC_THRESH=4,
NET_IPV4_ROUTE_MAX_SIZE=5,
NET_IPV4_ROUTE_GC_MIN_INTERVAL=6,
NET_IPV4_CONF_ARP_IGNORE=19,
NET_IPV4_CONF_PROMOTE_SECONDARIES=20,
NET_IPV4_CONF_ARP_ACCEPT=21,
+ NET_IPV4_CONF_ARP_NOTIFY=22,
+ NET_IPV4_CONF_ACCEPT_LOCAL=23,
__NET_IPV4_CONF_MAX
};
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
};
NET_DCCP_DEFAULT=1,
};
-/* /proc/sys/net/dccp/default */
-enum {
- NET_DCCP_DEFAULT_SEQ_WINDOW = 1,
- NET_DCCP_DEFAULT_RX_CCID = 2,
- NET_DCCP_DEFAULT_TX_CCID = 3,
- NET_DCCP_DEFAULT_ACK_RATIO = 4,
- NET_DCCP_DEFAULT_SEND_ACKVEC = 5,
- NET_DCCP_DEFAULT_SEND_NDP = 6,
-};
-
/* /proc/sys/net/ipx */
enum {
NET_IPX_PPROP_BROADCASTING=1,
NET_X25_CALL_REQUEST_TIMEOUT=2,
NET_X25_RESET_REQUEST_TIMEOUT=3,
NET_X25_CLEAR_REQUEST_TIMEOUT=4,
- NET_X25_ACK_HOLD_BACK_TIMEOUT=5
+ NET_X25_ACK_HOLD_BACK_TIMEOUT=5,
+ NET_X25_FORWARD=6
};
/* /proc/sys/net/token-ring */
NET_BRIDGE_NF_CALL_IPTABLES = 2,
NET_BRIDGE_NF_CALL_IP6TABLES = 3,
NET_BRIDGE_NF_FILTER_VLAN_TAGGED = 4,
+ NET_BRIDGE_NF_FILTER_PPPOE_TAGGED = 5,
+};
+
+/* proc/sys/net/irda */
+enum {
+ NET_IRDA_DISCOVERY=1,
+ NET_IRDA_DEVNAME=2,
+ NET_IRDA_DEBUG=3,
+ NET_IRDA_FAST_POLL=4,
+ NET_IRDA_DISCOVERY_SLOTS=5,
+ NET_IRDA_DISCOVERY_TIMEOUT=6,
+ NET_IRDA_SLOT_TIMEOUT=7,
+ NET_IRDA_MAX_BAUD_RATE=8,
+ NET_IRDA_MIN_TX_TURN_TIME=9,
+ NET_IRDA_MAX_TX_DATA_SIZE=10,
+ NET_IRDA_MAX_TX_WINDOW=11,
+ NET_IRDA_MAX_NOREPLY_TIME=12,
+ NET_IRDA_WARN_NOREPLY_TIME=13,
+ NET_IRDA_LAP_KEEPALIVE_TIME=14,
};
-/* CTL_PROC names: */
/* CTL_FS names: */
enum
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 */
+ FS_OCFS2=988, /* ocfs2 */
};
/* /proc/sys/fs/quota/ */
#ifdef __KERNEL__
#include <linux/list.h>
-extern void sysctl_init(void);
+/* For the /proc/sys support */
+struct ctl_table;
+struct nsproxy;
+struct ctl_table_root;
-typedef struct ctl_table ctl_table;
+struct ctl_table_set {
+ struct list_head list;
+ struct ctl_table_set *parent;
+ int (*is_seen)(struct ctl_table_set *);
+};
+
+extern void setup_sysctl_set(struct ctl_table_set *p,
+ struct ctl_table_set *parent,
+ int (*is_seen)(struct ctl_table_set *));
-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);
+struct ctl_table_header;
+
+extern void sysctl_head_get(struct ctl_table_header *);
+extern void sysctl_head_put(struct ctl_table_header *);
+extern int sysctl_is_seen(struct ctl_table_header *);
+extern struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *);
+extern struct ctl_table_header *sysctl_head_next(struct ctl_table_header *prev);
+extern struct ctl_table_header *__sysctl_head_next(struct nsproxy *namespaces,
+ struct ctl_table_header *prev);
+extern void sysctl_head_finish(struct ctl_table_header *prev);
+extern int sysctl_perm(struct ctl_table_root *root,
+ struct ctl_table *table, int op);
+
+typedef struct ctl_table ctl_table;
-typedef int proc_handler (ctl_table *ctl, int write, struct file * filp,
+typedef int proc_handler (struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
-extern int proc_dostring(ctl_table *, int, struct file *,
+extern int proc_dostring(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
-extern int proc_dointvec(ctl_table *, int, struct file *,
+extern int proc_dointvec(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
-extern int proc_dointvec_bset(ctl_table *, int, struct file *,
- void __user *, size_t *, loff_t *);
-extern int proc_dointvec_minmax(ctl_table *, int, struct file *,
+extern int proc_dointvec_minmax(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
-extern int proc_dointvec_jiffies(ctl_table *, int, struct file *,
+extern int proc_dointvec_jiffies(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
-extern int proc_dointvec_userhz_jiffies(ctl_table *, int, struct file *,
+extern int proc_dointvec_userhz_jiffies(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
-extern int proc_dointvec_ms_jiffies(ctl_table *, int, struct file *,
+extern int proc_dointvec_ms_jiffies(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
-extern int proc_doulongvec_minmax(ctl_table *, int, struct file *,
+extern int proc_doulongvec_minmax(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
-extern int proc_doulongvec_ms_jiffies_minmax(ctl_table *table, int,
- struct file *, void __user *, size_t *, loff_t *);
-
-extern int do_sysctl (int __user *name, int nlen,
- void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen);
-
-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);
-
-extern ctl_handler sysctl_string;
-extern ctl_handler sysctl_intvec;
-extern ctl_handler sysctl_jiffies;
-extern ctl_handler sysctl_ms_jiffies;
-
+extern int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int,
+ void __user *, size_t *, loff_t *);
/*
* 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.
+ * with an initialised array of struct ctl_table's. An entry with
+ * 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(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
* performed, and the mode field allows minimal authentication.
*
- * More sophisticated management can be enabled by the provision of a
- * strategy routine with the table entry. This will be called before
- * any automatic read or write of the data is performed.
- *
- * The strategy routine may return:
- * <0: Error occurred (error is passed to user process)
- * 0: OK - proceed with automatic read or write.
- * >0: OK - read or write has been done by the strategy routine, so
- * return immediately.
- *
* There must be a proc_handler routine for any terminal nodes
* mirrored under /proc/sys (non-terminals are handled by a built-in
* directory handler). Several default handlers are available to
/* A sysctl table is an array of struct ctl_table: */
struct ctl_table
{
- int ctl_name; /* Binary ID */
const char *procname; /* Text ID for /proc/sys, or zero */
void *data;
int maxlen;
mode_t mode;
- ctl_table *child;
+ struct ctl_table *child;
+ struct ctl_table *parent; /* Automatically set */
proc_handler *proc_handler; /* Callback for text formatting */
- ctl_handler *strategy; /* Callback function for all r/w */
- struct proc_dir_entry *de; /* /proc control block */
void *extra1;
void *extra2;
};
+struct ctl_table_root {
+ struct list_head root_list;
+ struct ctl_table_set default_set;
+ struct ctl_table_set *(*lookup)(struct ctl_table_root *root,
+ struct nsproxy *namespaces);
+ int (*permissions)(struct ctl_table_root *root,
+ struct nsproxy *namespaces, struct ctl_table *table);
+};
+
/* struct ctl_table_header is used to maintain dynamic lists of
- ctl_table trees. */
+ struct ctl_table trees. */
struct ctl_table_header
{
- ctl_table *ctl_table;
+ struct ctl_table *ctl_table;
struct list_head ctl_entry;
int used;
+ int count;
struct completion *unregistering;
+ struct ctl_table *ctl_table_arg;
+ struct ctl_table_root *root;
+ struct ctl_table_set *set;
+ struct ctl_table *attached_by;
+ struct ctl_table *attached_to;
+ struct ctl_table_header *parent;
};
-struct ctl_table_header * register_sysctl_table(ctl_table * table,
- int insert_at_head);
-void unregister_sysctl_table(struct ctl_table_header * table);
+/* struct ctl_path describes where in the hierarchy a table is added */
+struct ctl_path {
+ const char *procname;
+};
+
+void register_sysctl_root(struct ctl_table_root *root);
+struct ctl_table_header *__register_sysctl_paths(
+ struct ctl_table_root *root, struct nsproxy *namespaces,
+ const struct ctl_path *path, struct ctl_table *table);
+struct ctl_table_header *register_sysctl_table(struct ctl_table * table);
+struct ctl_table_header *register_sysctl_paths(const struct ctl_path *path,
+ struct ctl_table *table);
-#else /* __KERNEL__ */
+void unregister_sysctl_table(struct ctl_table_header * table);
+int sysctl_check_table(struct nsproxy *namespaces, struct ctl_table *table);
#endif /* __KERNEL__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff