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sysctl.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * 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> #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 *name; int nlen; void *oldval; size_t *oldlenp; void *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 */ KERN_PANIC_ON_WARN=77, /* int: call panic() in WARN() functions */ KERN_PANIC_PRINT=78, /* ulong: bitmask to print system info on panic */ }; /* 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_ACCEPT_RA_FROM_LOCAL=26, NET_IPV6_ACCEPT_RA_RT_INFO_MIN_PLEN=27, __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, }; /* 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 */ }; #endif /* _LINUX_SYSCTL_H */
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