| /* |
| * 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. |
| ** |
| **************************************************************** |
| **************************************************************** |
| */ |
| |
| #ifndef _LINUX_SYSCTL_H |
| #define _LINUX_SYSCTL_H |
| |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/compiler.h> |
| |
| struct completion; |
| |
| #define CTL_MAXNAME 10 /* how many path components do we allow in a |
| call to sysctl? In other words, what is |
| the largest acceptable value for the nlen |
| member of a struct __sysctl_args to have? */ |
| |
| struct __sysctl_args { |
| int __user *name; |
| int nlen; |
| void __user *oldval; |
| size_t __user *oldlenp; |
| void __user *newval; |
| size_t newlen; |
| unsigned long __unused[4]; |
| }; |
| |
| /* Define sysctl names first */ |
| |
| /* Top-level names: */ |
| |
| enum |
| { |
| CTL_KERN=1, /* General kernel info and control */ |
| CTL_VM=2, /* VM management */ |
| CTL_NET=3, /* Networking */ |
| 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_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: */ |
| enum |
| { |
| 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_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, /* string: hostname */ |
| KERN_DOMAINNAME=8, /* string: domainname */ |
| |
| KERN_PANIC=15, /* int: panic timeout */ |
| KERN_REALROOTDEV=16, /* real root device to mount after initrd */ |
| |
| 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, /* 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_RTSIGNR=32, /* Number of rt sigs queued */ |
| KERN_RTSIGMAX=33, /* Max queuable */ |
| |
| KERN_SHMMAX=34, /* long: 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 */ |
| KERN_MAX_THREADS=39, /* int: Maximum nr of threads in the system */ |
| KERN_RANDOM=40, /* Random driver */ |
| KERN_SHMALL=41, /* int: Maximum size of shared memory */ |
| KERN_MSGMNI=42, /* int: msg queue identifiers */ |
| KERN_SEM=43, /* struct: sysv semaphore limits */ |
| KERN_SPARC_STOP_A=44, /* int: Sparc Stop-A enable */ |
| KERN_SHMMNI=45, /* int: shm array identifiers */ |
| 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 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_TAINTED=53, /* int: various kernel tainted flags */ |
| KERN_CADPID=54, /* int: PID of the process to notify on CAD */ |
| KERN_PIDMAX=55, /* int: PID # limit */ |
| KERN_CORE_PATTERN=56, /* string: pattern for core-file names */ |
| KERN_PANIC_ON_OOPS=57, /* int: whether we will panic on an oops */ |
| KERN_HPPA_PWRSW=58, /* int: hppa soft-power enable */ |
| KERN_HPPA_UNALIGNED=59, /* int: hppa unaligned-trap enable */ |
| KERN_PRINTK_RATELIMIT=60, /* int: tune printk ratelimiting */ |
| KERN_PRINTK_RATELIMIT_BURST=61, /* int: tune printk ratelimiting */ |
| KERN_PTY=62, /* dir: pty driver */ |
| 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_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, /* 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_UNUSED1=1, /* was: struct: Set vm swapping control */ |
| VM_UNUSED2=2, /* was; int: Linear or sqrt() swapout for hogs */ |
| VM_UNUSED3=3, /* was: struct: Set free page thresholds */ |
| VM_UNUSED4=4, /* Spare */ |
| VM_OVERCOMMIT_MEMORY=5, /* Turn off the virtual memory safety limit */ |
| VM_UNUSED5=6, /* was: struct: Set buffer memory thresholds */ |
| VM_UNUSED7=7, /* was: struct: Set cache memory thresholds */ |
| VM_UNUSED8=8, /* was: struct: Control kswapd behaviour */ |
| VM_UNUSED9=9, /* was: struct: Set page table cache parameters */ |
| VM_PAGE_CLUSTER=10, /* int: set number of pages to swap together */ |
| VM_DIRTY_BACKGROUND=11, /* dirty_background_ratio */ |
| VM_DIRTY_RATIO=12, /* dirty_ratio */ |
| VM_DIRTY_WB_CS=13, /* dirty_writeback_centisecs */ |
| VM_DIRTY_EXPIRE_CS=14, /* dirty_expire_centisecs */ |
| VM_NR_PDFLUSH_THREADS=15, /* nr_pdflush_threads */ |
| VM_OVERCOMMIT_RATIO=16, /* percent of RAM to allow overcommit in */ |
| 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_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 */ |
| }; |
| |
| |
| /* 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, |
| NET_SCTP=17, |
| NET_LLC=18, |
| NET_NETFILTER=19, |
| NET_DCCP=20, |
| NET_IRDA=412, |
| }; |
| |
| /* /proc/sys/kernel/random */ |
| enum |
| { |
| RANDOM_POOLSIZE=1, |
| RANDOM_ENTROPY_COUNT=2, |
| RANDOM_READ_THRESH=3, |
| RANDOM_WRITE_THRESH=4, |
| RANDOM_BOOT_ID=5, |
| RANDOM_UUID=6 |
| }; |
| |
| /* /proc/sys/kernel/pty */ |
| enum |
| { |
| PTY_MAX=1, |
| PTY_NR=2 |
| }; |
| |
| /* /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, |
| NET_CORE_HOT_LIST_LENGTH=11, |
| NET_CORE_DIVERT_VERSION=12, |
| NET_CORE_NO_CONG_THRESH=13, |
| NET_CORE_NO_CONG=14, |
| NET_CORE_LO_CONG=15, |
| 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, |
| NET_CORE_WARNINGS=22, |
| }; |
| |
| /* /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/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 |
| { |
| /* 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_NETFILTER=20, |
| |
| 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, |
| NET_TCP_TW_RECYCLE=66, |
| NET_IPV4_ALWAYS_DEFRAG=67, |
| NET_IPV4_TCP_KEEPALIVE_INTVL=68, |
| NET_IPV4_INET_PEER_THRESHOLD=69, |
| NET_IPV4_INET_PEER_MINTTL=70, |
| NET_IPV4_INET_PEER_MAXTTL=71, |
| NET_IPV4_INET_PEER_GC_MINTIME=72, |
| NET_IPV4_INET_PEER_GC_MAXTIME=73, |
| NET_TCP_ORPHAN_RETRIES=74, |
| NET_TCP_ABORT_ON_OVERFLOW=75, |
| NET_TCP_SYNACK_RETRIES=76, |
| NET_TCP_MAX_ORPHANS=77, |
| NET_TCP_MAX_TW_BUCKETS=78, |
| NET_TCP_FACK=79, |
| NET_TCP_REORDERING=80, |
| NET_TCP_ECN=81, |
| NET_TCP_DSACK=82, |
| NET_TCP_MEM=83, |
| NET_TCP_WMEM=84, |
| NET_TCP_RMEM=85, |
| NET_TCP_APP_WIN=86, |
| NET_TCP_ADV_WIN_SCALE=87, |
| NET_IPV4_NONLOCAL_BIND=88, |
| NET_IPV4_ICMP_RATELIMIT=89, |
| NET_IPV4_ICMP_RATEMASK=90, |
| NET_TCP_TW_REUSE=91, |
| NET_TCP_FRTO=92, |
| NET_TCP_LOW_LATENCY=93, |
| NET_IPV4_IPFRAG_SECRET_INTERVAL=94, |
| NET_IPV4_IGMP_MAX_MSF=96, |
| NET_TCP_NO_METRICS_SAVE=97, |
| 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, |
| NET_TCP_MAX_SSTHRESH=124, |
| NET_TCP_FRTO_RESPONSE=125, |
| }; |
| |
| enum { |
| NET_IPV4_ROUTE_FLUSH=1, |
| 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_ROUTE_GC_TIMEOUT=7, |
| NET_IPV4_ROUTE_GC_INTERVAL=8, /* obsolete since 2.6.38 */ |
| 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, |
| 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_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, |
| NET_IPV4_CONF_TAG=12, |
| NET_IPV4_CONF_ARPFILTER=13, |
| NET_IPV4_CONF_MEDIUM_ID=14, |
| NET_IPV4_CONF_NOXFRM=15, |
| NET_IPV4_CONF_NOPOLICY=16, |
| 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_ARP_NOTIFY=22, |
| }; |
| |
| /* /proc/sys/net/ipv4/netfilter */ |
| enum |
| { |
| NET_IPV4_NF_CONNTRACK_MAX=1, |
| NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT=2, |
| NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV=3, |
| NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED=4, |
| NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT=5, |
| NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT=6, |
| NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK=7, |
| NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT=8, |
| NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE=9, |
| NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT=10, |
| NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM=11, |
| 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 */ |
| enum { |
| NET_IPV6_CONF=16, |
| NET_IPV6_NEIGH=17, |
| NET_IPV6_ROUTE=18, |
| NET_IPV6_ICMP=19, |
| NET_IPV6_BINDV6ONLY=20, |
| NET_IPV6_IP6FRAG_HIGH_THRESH=21, |
| NET_IPV6_IP6FRAG_LOW_THRESH=22, |
| NET_IPV6_IP6FRAG_TIME=23, |
| NET_IPV6_IP6FRAG_SECRET_INTERVAL=24, |
| NET_IPV6_MLD_MAX_MSF=25, |
| }; |
| |
| 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, |
| NET_IPV6_ROUTE_MIN_ADVMSS=9, |
| NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS=10 |
| }; |
| |
| 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, |
| NET_IPV6_USE_TEMPADDR=11, |
| NET_IPV6_TEMP_VALID_LFT=12, |
| NET_IPV6_TEMP_PREFERED_LFT=13, |
| 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_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 */ |
| enum { |
| NET_IPV6_ICMP_RATELIMIT=1 |
| }; |
| |
| /* /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, |
| NET_NEIGH_RETRANS_TIME_MS=17, |
| NET_NEIGH_REACHABLE_TIME_MS=18, |
| }; |
| |
| /* /proc/sys/net/dccp */ |
| enum { |
| NET_DCCP_DEFAULT=1, |
| }; |
| |
| /* /proc/sys/net/ipx */ |
| enum { |
| NET_IPX_PPROP_BROADCASTING=1, |
| 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_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, |
| NET_NETROM_RESET=12 |
| }; |
| |
| /* /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, |
| NET_X25_FORWARD=6 |
| }; |
| |
| /* /proc/sys/net/token-ring */ |
| enum |
| { |
| NET_TR_RIF_TIMEOUT=1 |
| }; |
| |
| /* /proc/sys/net/decnet/ */ |
| enum { |
| NET_DECNET_NODE_TYPE = 1, |
| NET_DECNET_NODE_ADDRESS = 2, |
| NET_DECNET_NODE_NAME = 3, |
| NET_DECNET_DEFAULT_DEVICE = 4, |
| NET_DECNET_TIME_WAIT = 5, |
| NET_DECNET_DN_COUNT = 6, |
| NET_DECNET_DI_COUNT = 7, |
| NET_DECNET_DR_COUNT = 8, |
| 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 |
| }; |
| |
| /* /proc/sys/net/decnet/conf/<dev> */ |
| enum { |
| NET_DECNET_CONF_LOOPBACK = -2, |
| NET_DECNET_CONF_DDCMP = -3, |
| NET_DECNET_CONF_PPP = -4, |
| NET_DECNET_CONF_X25 = -5, |
| NET_DECNET_CONF_GRE = -6, |
| NET_DECNET_CONF_ETHER = -7 |
| |
| /* ... and ifindex of devices */ |
| }; |
| |
| /* /proc/sys/net/decnet/conf/<dev>/ */ |
| enum { |
| NET_DECNET_CONF_DEV_PRIORITY = 1, |
| NET_DECNET_CONF_DEV_T1 = 2, |
| NET_DECNET_CONF_DEV_T2 = 3, |
| NET_DECNET_CONF_DEV_T3 = 4, |
| NET_DECNET_CONF_DEV_FORWARDING = 5, |
| NET_DECNET_CONF_DEV_BLKSIZE = 6, |
| NET_DECNET_CONF_DEV_STATE = 7 |
| }; |
| |
| /* /proc/sys/net/sctp */ |
| enum { |
| NET_SCTP_RTO_INITIAL = 1, |
| NET_SCTP_RTO_MIN = 2, |
| NET_SCTP_RTO_MAX = 3, |
| NET_SCTP_RTO_ALPHA = 4, |
| NET_SCTP_RTO_BETA = 5, |
| NET_SCTP_VALID_COOKIE_LIFE = 6, |
| NET_SCTP_ASSOCIATION_MAX_RETRANS = 7, |
| NET_SCTP_PATH_MAX_RETRANS = 8, |
| NET_SCTP_MAX_INIT_RETRANSMITS = 9, |
| NET_SCTP_HB_INTERVAL = 10, |
| NET_SCTP_PRESERVE_ENABLE = 11, |
| 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 */ |
| enum { |
| NET_BRIDGE_NF_CALL_ARPTABLES = 1, |
| 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_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 */ |
| FS_OVERFLOWUID=11, /* int: overflow UID */ |
| FS_OVERFLOWGID=12, /* int: overflow GID */ |
| 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 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 */ |
| FS_OCFS2=988, /* ocfs2 */ |
| }; |
| |
| /* /proc/sys/fs/quota/ */ |
| enum { |
| FS_DQ_LOOKUPS = 1, |
| FS_DQ_DROPS = 2, |
| FS_DQ_READS = 3, |
| FS_DQ_WRITES = 4, |
| FS_DQ_CACHE_HITS = 5, |
| FS_DQ_ALLOCATED = 6, |
| FS_DQ_FREE = 7, |
| FS_DQ_SYNCS = 8, |
| FS_DQ_WARNINGS = 9, |
| }; |
| |
| /* CTL_DEBUG names: */ |
| |
| /* CTL_DEV names: */ |
| enum { |
| DEV_CDROM=1, |
| DEV_HWMON=2, |
| DEV_PARPORT=3, |
| DEV_RAID=4, |
| DEV_MAC_HID=5, |
| DEV_SCSI=6, |
| DEV_IPMI=7, |
| }; |
| |
| /* /proc/sys/dev/cdrom */ |
| enum { |
| DEV_CDROM_INFO=1, |
| DEV_CDROM_AUTOCLOSE=2, |
| DEV_CDROM_AUTOEJECT=3, |
| DEV_CDROM_DEBUG=4, |
| DEV_CDROM_LOCK=5, |
| DEV_CDROM_CHECK_MEDIA=6 |
| }; |
| |
| /* /proc/sys/dev/parport */ |
| enum { |
| DEV_PARPORT_DEFAULT=-3 |
| }; |
| |
| /* /proc/sys/dev/raid */ |
| enum { |
| DEV_RAID_SPEED_LIMIT_MIN=1, |
| DEV_RAID_SPEED_LIMIT_MAX=2 |
| }; |
| |
| /* /proc/sys/dev/parport/default */ |
| enum { |
| DEV_PARPORT_DEFAULT_TIMESLICE=1, |
| DEV_PARPORT_DEFAULT_SPINTIME=2 |
| }; |
| |
| /* /proc/sys/dev/parport/parport n */ |
| enum { |
| DEV_PARPORT_SPINTIME=1, |
| DEV_PARPORT_BASE_ADDR=2, |
| DEV_PARPORT_IRQ=3, |
| DEV_PARPORT_DMA=4, |
| DEV_PARPORT_MODES=5, |
| DEV_PARPORT_DEVICES=6, |
| DEV_PARPORT_AUTOPROBE=16 |
| }; |
| |
| /* /proc/sys/dev/parport/parport n/devices/ */ |
| enum { |
| DEV_PARPORT_DEVICES_ACTIVE=-3, |
| }; |
| |
| /* /proc/sys/dev/parport/parport n/devices/device n */ |
| enum { |
| DEV_PARPORT_DEVICE_TIMESLICE=1, |
| }; |
| |
| /* /proc/sys/dev/mac_hid */ |
| enum { |
| DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES=1, |
| DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES=2, |
| DEV_MAC_HID_MOUSE_BUTTON_EMULATION=3, |
| DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE=4, |
| DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE=5, |
| DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES=6 |
| }; |
| |
| /* /proc/sys/dev/scsi */ |
| enum { |
| DEV_SCSI_LOGGING_LEVEL=1, |
| }; |
| |
| /* /proc/sys/dev/ipmi */ |
| enum { |
| DEV_IPMI_POWEROFF_POWERCYCLE=1, |
| }; |
| |
| /* /proc/sys/abi */ |
| enum |
| { |
| ABI_DEFHANDLER_COFF=1, /* default handler for coff binaries */ |
| ABI_DEFHANDLER_ELF=2, /* default handler for ELF binaries */ |
| ABI_DEFHANDLER_LCALL7=3,/* default handler for procs using lcall7 */ |
| ABI_DEFHANDLER_LIBCSO=4,/* default handler for an libc.so ELF interp */ |
| ABI_TRACE=5, /* tracing flags */ |
| ABI_FAKE_UTSNAME=6, /* fake target utsname information */ |
| }; |
| |
| #ifdef __KERNEL__ |
| #include <linux/list.h> |
| #include <linux/rcupdate.h> |
| #include <linux/wait.h> |
| #include <linux/rbtree.h> |
| |
| /* For the /proc/sys support */ |
| struct ctl_table; |
| struct nsproxy; |
| struct ctl_table_root; |
| struct ctl_table_header; |
| struct ctl_dir; |
| |
| typedef struct ctl_table ctl_table; |
| |
| 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, |
| void __user *, size_t *, loff_t *); |
| extern int proc_dointvec(struct ctl_table *, int, |
| void __user *, size_t *, loff_t *); |
| extern int proc_dointvec_minmax(struct ctl_table *, int, |
| void __user *, size_t *, loff_t *); |
| 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, |
| void __user *, size_t *, loff_t *); |
| 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, |
| void __user *, size_t *, loff_t *); |
| extern int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int, |
| void __user *, size_t *, loff_t *); |
| extern int proc_do_large_bitmap(struct ctl_table *, int, |
| 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 |
| * 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. |
| * |
| * 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. |
| * |
| * 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. |
| */ |
| |
| /* Support for userspace poll() to watch for changes */ |
| struct ctl_table_poll { |
| atomic_t event; |
| wait_queue_head_t wait; |
| }; |
| |
| static inline void *proc_sys_poll_event(struct ctl_table_poll *poll) |
| { |
| return (void *)(unsigned long)atomic_read(&poll->event); |
| } |
| |
| #define __CTL_TABLE_POLL_INITIALIZER(name) { \ |
| .event = ATOMIC_INIT(0), \ |
| .wait = __WAIT_QUEUE_HEAD_INITIALIZER(name.wait) } |
| |
| #define DEFINE_CTL_TABLE_POLL(name) \ |
| struct ctl_table_poll name = __CTL_TABLE_POLL_INITIALIZER(name) |
| |
| /* A sysctl table is an array of struct ctl_table: */ |
| struct ctl_table |
| { |
| const char *procname; /* Text ID for /proc/sys, or zero */ |
| void *data; |
| int maxlen; |
| umode_t mode; |
| struct ctl_table *child; /* Deprecated */ |
| proc_handler *proc_handler; /* Callback for text formatting */ |
| struct ctl_table_poll *poll; |
| void *extra1; |
| void *extra2; |
| }; |
| |
| struct ctl_node { |
| struct rb_node node; |
| struct ctl_table_header *header; |
| }; |
| |
| /* struct ctl_table_header is used to maintain dynamic lists of |
| struct ctl_table trees. */ |
| struct ctl_table_header |
| { |
| union { |
| struct { |
| struct ctl_table *ctl_table; |
| int used; |
| int count; |
| int nreg; |
| }; |
| struct rcu_head rcu; |
| }; |
| struct completion *unregistering; |
| struct ctl_table *ctl_table_arg; |
| struct ctl_table_root *root; |
| struct ctl_table_set *set; |
| struct ctl_dir *parent; |
| struct ctl_node *node; |
| }; |
| |
| struct ctl_dir { |
| /* Header must be at the start of ctl_dir */ |
| struct ctl_table_header header; |
| struct rb_root root; |
| }; |
| |
| struct ctl_table_set { |
| int (*is_seen)(struct ctl_table_set *); |
| struct ctl_dir dir; |
| }; |
| |
| struct ctl_table_root { |
| 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_path describes where in the hierarchy a table is added */ |
| struct ctl_path { |
| const char *procname; |
| }; |
| |
| #ifdef CONFIG_SYSCTL |
| |
| void proc_sys_poll_notify(struct ctl_table_poll *poll); |
| |
| extern void setup_sysctl_set(struct ctl_table_set *p, |
| struct ctl_table_root *root, |
| int (*is_seen)(struct ctl_table_set *)); |
| extern void retire_sysctl_set(struct ctl_table_set *set); |
| |
| void register_sysctl_root(struct ctl_table_root *root); |
| struct ctl_table_header *__register_sysctl_table( |
| struct ctl_table_set *set, |
| const char *path, struct ctl_table *table); |
| struct ctl_table_header *__register_sysctl_paths( |
| struct ctl_table_set *set, |
| 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); |
| |
| void unregister_sysctl_table(struct ctl_table_header * table); |
| |
| extern int sysctl_init(void); |
| #else /* CONFIG_SYSCTL */ |
| static inline struct ctl_table_header *register_sysctl_table(struct ctl_table * table) |
| { |
| return NULL; |
| } |
| |
| static inline struct ctl_table_header *register_sysctl_paths( |
| const struct ctl_path *path, struct ctl_table *table) |
| { |
| return NULL; |
| } |
| |
| static inline void unregister_sysctl_table(struct ctl_table_header * table) |
| { |
| } |
| |
| static inline void setup_sysctl_set(struct ctl_table_set *p, |
| struct ctl_table_root *root, |
| int (*is_seen)(struct ctl_table_set *)) |
| { |
| } |
| |
| #endif /* CONFIG_SYSCTL */ |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* _LINUX_SYSCTL_H */ |