** 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/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_NONE 0
-#define CTL_UNNUMBERED CTL_NONE /* sysctl without a binary number */
-#endif
-
enum
{
CTL_KERN=1, /* General kernel info and control */
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_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_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_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 */
};
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_SRC_VMARK=24,
__NET_IPV4_CONF_MAX
};
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,
typedef struct ctl_table ctl_table;
-typedef int ctl_handler (struct ctl_table *table, int __user *name, int nlen,
- void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen);
-
-typedef int proc_handler (struct 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(struct ctl_table *, int, struct file *,
+extern int proc_dostring(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
-extern int proc_dointvec(struct ctl_table *, int, struct file *,
+extern int proc_dointvec(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
-extern int proc_dointvec_minmax(struct 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(struct 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(struct 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(struct 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(struct 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(struct 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 ctl_handler sysctl_data;
-extern ctl_handler sysctl_string;
-extern ctl_handler sysctl_intvec;
-extern ctl_handler sysctl_jiffies;
-extern ctl_handler sysctl_ms_jiffies;
-
+ void __user *, size_t *, loff_t *);
/*
* Register a set of sysctl names by calling register_sysctl_table
- * with an initialised array of struct ctl_table's. An entry with zero
- * ctl_name and NULL procname terminates the table. table->de will be
+ * 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
* 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
* 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;
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 */
void *extra1;
void *extra2;
};
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_path describes where in the hierarchy a table is added */
struct ctl_path {
const char *procname;
- int ctl_name;
};
void register_sysctl_root(struct ctl_table_root *root);