diff options
Diffstat (limited to 'pfinet/linux-src/include/linux/sysctl.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/sysctl.h | 555 |
1 files changed, 555 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/sysctl.h b/pfinet/linux-src/include/linux/sysctl.h new file mode 100644 index 00000000..aba1498a --- /dev/null +++ b/pfinet/linux-src/include/linux/sysctl.h @@ -0,0 +1,555 @@ +/* + * sysctl.h: General linux system control interface + * + * Begun 24 March 1995, Stephen Tweedie + * + **************************************************************** + **************************************************************** + ** + ** WARNING: + ** The values in this file are exported to user space via + ** 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. + ** + ** --sct + ** + **************************************************************** + **************************************************************** + */ + +#include <linux/lists.h> + +#ifndef _LINUX_SYSCTL_H +#define _LINUX_SYSCTL_H + +#define CTL_MAXNAME 10 + +struct __sysctl_args { + int *name; + int nlen; + void *oldval; + size_t *oldlenp; + void *newval; + size_t newlen; + unsigned long __unused[4]; +}; + +/* Define sysctl names first */ + +/* 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_FS=5, /* Filesystems */ + CTL_DEBUG=6, /* Debugging */ + CTL_DEV=7, /* Devices */ + CTL_BUS=8 /* Buses */ +}; + +/* CTL_BUS names: */ +enum +{ + BUS_ISA=1 /* ISA */ +}; + +/* CTL_KERN names: */ +enum +{ + KERN_OSTYPE=1, /* string: system version */ + KERN_OSRELEASE=2, /* string: system release */ + KERN_OSREV=3, /* int: system revision */ + 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_CAP_BSET=14, /* int: capability bounding set */ + KERN_PANIC=15, /* int: panic timeout */ + KERN_REALROOTDEV=16, /* real root device to mount after initrd */ + + KERN_JAVA_INTERPRETER=19, /* path to Java(tm) interpreter */ + KERN_JAVA_APPLETVIEWER=20, /* path to Java(tm) appletviewer */ + KERN_SPARC_REBOOT=21, /* reboot command on Sparc */ + KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */ + KERN_PRINTK=23, /* struct: control printk logging parameters */ + KERN_NAMETRANS=24, /* Name translation */ + 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_ACCT=30, /* BSD process accounting parameters */ + KERN_PPC_L2CR=31, /* l2cr register on PPC */ + + KERN_RTSIGNR=32, /* Number of rt sigs queued */ + KERN_RTSIGMAX=33, /* Max queuable */ + + KERN_SHMMAX=34, /* int: Maximum shared memory segment */ + KERN_MSGMAX=35, /* int: Maximum size of a messege */ + KERN_MSGMNB=36, /* int: Maximum message queue size */ + KERN_MSGPOOL=37, /* int: Maximum system message pool size */ + KERN_SYSRQ=38 /* int: Sysreq enable */ +}; + + +/* CTL_VM names: */ +enum +{ + VM_SWAPCTL=1, /* struct: Set vm swapping control */ + VM_SWAPOUT=2, /* int: Background pageout interval */ + VM_FREEPG=3, /* struct: Set free page thresholds */ + VM_BDFLUSH=4, /* struct: Control buffer cache flushing */ + VM_OVERCOMMIT_MEMORY=5, /* Turn off the virtual memory safety limit */ + VM_BUFFERMEM=6, /* struct: Set buffer memory thresholds */ + VM_PAGECACHE=7, /* struct: Set cache memory thresholds */ + VM_PAGERDAEMON=8, /* struct: Control kswapd behaviour */ + VM_PGT_CACHE=9, /* struct: Set page table cache parameters */ + VM_PAGE_CLUSTER=10 /* int: set number of pages to swap together */ +}; + + +/* CTL_NET names: */ +enum +{ + NET_CORE=1, + NET_ETHER=2, + NET_802=3, + NET_UNIX=4, + NET_IPV4=5, + NET_IPX=6, + NET_ATALK=7, + NET_NETROM=8, + NET_AX25=9, + NET_BRIDGE=10, + NET_ROSE=11, + NET_IPV6=12, + NET_X25=13, + NET_TR=14, + NET_DECNET=15, + NET_ECONET=16 +}; + +/* /proc/sys/bus/isa */ +enum +{ + BUS_ISA_MEM_BASE=1, + BUS_ISA_PORT_BASE=2, + BUS_ISA_PORT_SHIFT=3 +}; + +/* /proc/sys/net/core */ +enum +{ + NET_CORE_WMEM_MAX=1, + NET_CORE_RMEM_MAX=2, + NET_CORE_WMEM_DEFAULT=3, + NET_CORE_RMEM_DEFAULT=4, +/* was NET_CORE_DESTROY_DELAY */ + NET_CORE_MAX_BACKLOG=6, + NET_CORE_FASTROUTE=7, + NET_CORE_MSG_COST=8, + NET_CORE_MSG_BURST=9, + NET_CORE_OPTMEM_MAX=10 +}; + +/* /proc/sys/net/ethernet */ + +/* /proc/sys/net/802 */ + +/* /proc/sys/net/unix */ + +enum +{ + NET_UNIX_DESTROY_DELAY=1, + NET_UNIX_DELETE_DELAY=2, + NET_UNIX_MAX_DGRAM_QLEN=3, +}; + +/* /proc/sys/net/ipv4 */ +enum +{ + /* v2.0 compatibile variables */ + NET_IPV4_FORWARD=8, + NET_IPV4_DYNADDR=9, + + NET_IPV4_CONF=16, + NET_IPV4_NEIGH=17, + NET_IPV4_ROUTE=18, + NET_IPV4_FIB_HASH=19, + + NET_IPV4_TCP_TIMESTAMPS=33, + NET_IPV4_TCP_WINDOW_SCALING=34, + NET_IPV4_TCP_SACK=35, + NET_IPV4_TCP_RETRANS_COLLAPSE=36, + NET_IPV4_DEFAULT_TTL=37, + NET_IPV4_AUTOCONFIG=38, + NET_IPV4_NO_PMTU_DISC=39, + NET_IPV4_TCP_SYN_RETRIES=40, + NET_IPV4_IPFRAG_HIGH_THRESH=41, + NET_IPV4_IPFRAG_LOW_THRESH=42, + NET_IPV4_IPFRAG_TIME=43, + NET_IPV4_TCP_MAX_KA_PROBES=44, + NET_IPV4_TCP_KEEPALIVE_TIME=45, + NET_IPV4_TCP_KEEPALIVE_PROBES=46, + NET_IPV4_TCP_RETRIES1=47, + NET_IPV4_TCP_RETRIES2=48, + NET_IPV4_TCP_FIN_TIMEOUT=49, + NET_IPV4_IP_MASQ_DEBUG=50, + NET_TCP_SYNCOOKIES=51, + NET_TCP_STDURG=52, + NET_TCP_RFC1337=53, + NET_TCP_SYN_TAILDROP=54, + NET_TCP_MAX_SYN_BACKLOG=55, + NET_IPV4_LOCAL_PORT_RANGE=56, + NET_IPV4_ICMP_ECHO_IGNORE_ALL=57, + NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS=58, + NET_IPV4_ICMP_SOURCEQUENCH_RATE=59, + NET_IPV4_ICMP_DESTUNREACH_RATE=60, + NET_IPV4_ICMP_TIMEEXCEED_RATE=61, + NET_IPV4_ICMP_PARAMPROB_RATE=62, + NET_IPV4_ICMP_ECHOREPLY_RATE=63, + NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES=64, + NET_IPV4_IGMP_MAX_MEMBERSHIPS=65 +}; + +enum { + NET_IPV4_ROUTE_FLUSH=1, + NET_IPV4_ROUTE_MIN_DELAY=2, + NET_IPV4_ROUTE_MAX_DELAY=3, + NET_IPV4_ROUTE_GC_THRESH=4, + NET_IPV4_ROUTE_MAX_SIZE=5, + NET_IPV4_ROUTE_GC_MIN_INTERVAL=6, + NET_IPV4_ROUTE_GC_TIMEOUT=7, + NET_IPV4_ROUTE_GC_INTERVAL=8, + NET_IPV4_ROUTE_REDIRECT_LOAD=9, + NET_IPV4_ROUTE_REDIRECT_NUMBER=10, + NET_IPV4_ROUTE_REDIRECT_SILENCE=11, + NET_IPV4_ROUTE_ERROR_COST=12, + NET_IPV4_ROUTE_ERROR_BURST=13, + NET_IPV4_ROUTE_GC_ELASTICITY=14, + NET_IPV4_ROUTE_MTU_EXPIRES=15 +}; + +enum +{ + NET_PROTO_CONF_ALL=-2, + NET_PROTO_CONF_DEFAULT=-3 + + /* And device ifindices ... */ +}; + +enum +{ + NET_IPV4_CONF_FORWARDING=1, + NET_IPV4_CONF_MC_FORWARDING=2, + NET_IPV4_CONF_PROXY_ARP=3, + NET_IPV4_CONF_ACCEPT_REDIRECTS=4, + NET_IPV4_CONF_SECURE_REDIRECTS=5, + NET_IPV4_CONF_SEND_REDIRECTS=6, + NET_IPV4_CONF_SHARED_MEDIA=7, + NET_IPV4_CONF_RP_FILTER=8, + NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE=9, + NET_IPV4_CONF_BOOTP_RELAY=10, + NET_IPV4_CONF_LOG_MARTIANS=11 +}; + +/* /proc/sys/net/ipv6 */ +enum { + NET_IPV6_CONF=16, + NET_IPV6_NEIGH=17, + NET_IPV6_ROUTE=18 +}; + +enum { + NET_IPV6_ROUTE_FLUSH=1, + NET_IPV6_ROUTE_GC_THRESH=2, + NET_IPV6_ROUTE_MAX_SIZE=3, + NET_IPV6_ROUTE_GC_MIN_INTERVAL=4, + NET_IPV6_ROUTE_GC_TIMEOUT=5, + NET_IPV6_ROUTE_GC_INTERVAL=6, + NET_IPV6_ROUTE_GC_ELASTICITY=7, + NET_IPV6_ROUTE_MTU_EXPIRES=8 +}; + +enum { + NET_IPV6_FORWARDING=1, + NET_IPV6_HOP_LIMIT=2, + NET_IPV6_MTU=3, + NET_IPV6_ACCEPT_RA=4, + NET_IPV6_ACCEPT_REDIRECTS=5, + NET_IPV6_AUTOCONF=6, + NET_IPV6_DAD_TRANSMITS=7, + NET_IPV6_RTR_SOLICITS=8, + NET_IPV6_RTR_SOLICIT_INTERVAL=9, + NET_IPV6_RTR_SOLICIT_DELAY=10 +}; + +/* /proc/sys/net/<protocol>/neigh/<dev> */ +enum { + NET_NEIGH_MCAST_SOLICIT=1, + NET_NEIGH_UCAST_SOLICIT=2, + NET_NEIGH_APP_SOLICIT=3, + NET_NEIGH_RETRANS_TIME=4, + NET_NEIGH_REACHABLE_TIME=5, + NET_NEIGH_DELAY_PROBE_TIME=6, + NET_NEIGH_GC_STALE_TIME=7, + NET_NEIGH_UNRES_QLEN=8, + NET_NEIGH_PROXY_QLEN=9, + NET_NEIGH_ANYCAST_DELAY=10, + NET_NEIGH_PROXY_DELAY=11, + NET_NEIGH_LOCKTIME=12, + NET_NEIGH_GC_INTERVAL=13, + NET_NEIGH_GC_THRESH1=14, + NET_NEIGH_GC_THRESH2=15, + NET_NEIGH_GC_THRESH3=16 +}; + +/* /proc/sys/net/ipx */ + + +/* /proc/sys/net/appletalk */ +enum { + NET_ATALK_AARP_EXPIRY_TIME=1, + NET_ATALK_AARP_TICK_TIME=2, + NET_ATALK_AARP_RETRANSMIT_LIMIT=3, + NET_ATALK_AARP_RESOLVE_TIME=4 +}; + + +/* /proc/sys/net/netrom */ +enum { + NET_NETROM_DEFAULT_PATH_QUALITY=1, + NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER=2, + NET_NETROM_NETWORK_TTL_INITIALISER=3, + NET_NETROM_TRANSPORT_TIMEOUT=4, + NET_NETROM_TRANSPORT_MAXIMUM_TRIES=5, + NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY=6, + NET_NETROM_TRANSPORT_BUSY_DELAY=7, + 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 +}; + +/* /proc/sys/net/ax25 */ +enum { + NET_AX25_IP_DEFAULT_MODE=1, + NET_AX25_DEFAULT_MODE=2, + NET_AX25_BACKOFF_TYPE=3, + NET_AX25_CONNECT_MODE=4, + NET_AX25_STANDARD_WINDOW=5, + NET_AX25_EXTENDED_WINDOW=6, + NET_AX25_T1_TIMEOUT=7, + NET_AX25_T2_TIMEOUT=8, + NET_AX25_T3_TIMEOUT=9, + NET_AX25_IDLE_TIMEOUT=10, + NET_AX25_N2=11, + NET_AX25_PACLEN=12, + NET_AX25_PROTOCOL=13, + NET_AX25_DAMA_SLAVE_TIMEOUT=14 +}; + +/* /proc/sys/net/rose */ +enum { + NET_ROSE_RESTART_REQUEST_TIMEOUT=1, + NET_ROSE_CALL_REQUEST_TIMEOUT=2, + NET_ROSE_RESET_REQUEST_TIMEOUT=3, + NET_ROSE_CLEAR_REQUEST_TIMEOUT=4, + NET_ROSE_ACK_HOLD_BACK_TIMEOUT=5, + NET_ROSE_ROUTING_CONTROL=6, + NET_ROSE_LINK_FAIL_TIMEOUT=7, + NET_ROSE_MAX_VCS=8, + NET_ROSE_WINDOW_SIZE=9, + NET_ROSE_NO_ACTIVITY_TIMEOUT=10 +}; + +/* /proc/sys/net/x25 */ +enum { + NET_X25_RESTART_REQUEST_TIMEOUT=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 +}; + +/* /proc/sys/net/token-ring */ +enum +{ + NET_TR_RIF_TIMEOUT=1 +}; + +/* /proc/sys/net/decnet */ +enum { + NET_DECNET_DEF_T3_BROADCAST=1, + NET_DECNET_DEF_T3_POINTTOPOINT=2, + NET_DECNET_DEF_T1=3, + NET_DECNET_DEF_BCT1=4, + NET_DECNET_CACHETIMEOUT=5, + NET_DECNET_DEBUG_LEVEL=6 +}; + +/* CTL_PROC names: */ + +/* CTL_FS names: */ +enum +{ + FS_NRINODE=1, /* int:current number of allocated inodes */ + FS_STATINODE=2, + FS_MAXINODE=3, /* int:maximum number of inodes that can be allocated */ + FS_NRDQUOT=4, /* int:current number of allocated dquots */ + FS_MAXDQUOT=5, /* int:maximum number of dquots that can be allocated */ + FS_NRFILE=6, /* int:current number of allocated filedescriptors */ + FS_MAXFILE=7, /* int:maximum number of filedescriptors that can be allocated */ + FS_DENTRY=8, + FS_NRSUPER=9, /* int:current number of allocated super_blocks */ + FS_MAXSUPER=10 /* int:maximum number of super_blocks that can be allocated */ +}; + +/* CTL_DEBUG names: */ + +/* CTL_DEV names: */ +enum { + DEV_CDROM=1, + DEV_HWMON=2 +}; + +/* /proc/sys/dev/cdrom */ +enum { + DEV_CDROM_INFO=1 +}; + +#ifdef __KERNEL__ + +extern asmlinkage int sys_sysctl(struct __sysctl_args *); +extern void sysctl_init(void); + +typedef struct ctl_table ctl_table; + +typedef int ctl_handler (ctl_table *table, int *name, int nlen, + void *oldval, size_t *oldlenp, + void *newval, size_t newlen, + void **context); + +typedef int proc_handler (ctl_table *ctl, int write, struct file * filp, + void *buffer, size_t *lenp); + +extern int proc_dostring(ctl_table *, int, struct file *, + void *, size_t *); +extern int proc_dointvec(ctl_table *, int, struct file *, + void *, size_t *); +extern int proc_dointvec_bset(ctl_table *, int, struct file *, + void *, size_t *); +extern int proc_dointvec_minmax(ctl_table *, int, struct file *, + void *, size_t *); +extern int proc_dointvec_jiffies(ctl_table *, int, struct file *, + void *, size_t *); + +extern int do_sysctl (int *name, int nlen, + void *oldval, size_t *oldlenp, + void *newval, size_t newlen); + +extern int do_sysctl_strategy (ctl_table *table, + int *name, int nlen, + void *oldval, size_t *oldlenp, + void *newval, size_t newlen, void ** context); + +extern ctl_handler sysctl_string; +extern ctl_handler sysctl_intvec; +extern ctl_handler sysctl_jiffies; + +extern int do_string ( + void *oldval, size_t *oldlenp, void *newval, size_t newlen, + int rdwr, char *data, size_t max); +extern int do_int ( + void *oldval, size_t *oldlenp, void *newval, size_t newlen, + int rdwr, int *data); +extern int do_struct ( + void *oldval, size_t *oldlenp, void *newval, size_t newlen, + int rdwr, void *data, size_t len); + + +/* + * 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. + * + * sysctl names can be mirrored automatically under /proc/sys. The + * procname supplied controls /proc naming. + * + * The table's mode will be honoured both for sys_sysctl(2) and + * proc-fs access. + * + * 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 + * cover common cases. + */ + +/* 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; + 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_header is used to maintain dynamic lists of + ctl_table trees. */ +struct ctl_table_header +{ + ctl_table *ctl_table; + DLNODE(struct ctl_table_header) ctl_entry; +}; + +struct ctl_table_header * register_sysctl_table(ctl_table * table, + int insert_at_head); +void unregister_sysctl_table(struct ctl_table_header * table); + +#else /* __KERNEL__ */ + +#endif /* __KERNEL__ */ + +#endif /* _LINUX_SYSCTL_H */ |