922 lines · c
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * sysctl.h: General linux system control interface4 *5 * Begun 24 March 1995, Stephen Tweedie6 *7 ****************************************************************8 ****************************************************************9 **10 ** WARNING:11 ** The values in this file are exported to user space via 12 ** the sysctl() binary interface. Do *NOT* change the13 ** numbering of any existing values here, and do not change14 ** any numbers within any one set of values. If you have to15 ** redefine an existing interface, use a new number for it.16 ** The kernel will then return -ENOTDIR to any application using17 ** the old binary interface.18 **19 ****************************************************************20 ****************************************************************21 */22 23#ifndef _UAPI_LINUX_SYSCTL_H24#define _UAPI_LINUX_SYSCTL_H25 26#include <linux/const.h>27#include <linux/types.h>28#include <linux/compiler.h>29 30#define CTL_MAXNAME 10 /* how many path components do we allow in a31 call to sysctl? In other words, what is32 the largest acceptable value for the nlen33 member of a struct __sysctl_args to have? */34 35struct __sysctl_args {36 int __user *name;37 int nlen;38 void __user *oldval;39 size_t __user *oldlenp;40 void __user *newval;41 size_t newlen;42 unsigned long __unused[4];43};44 45/* Define sysctl names first */46 47/* Top-level names: */48 49enum50{51 CTL_KERN=1, /* General kernel info and control */52 CTL_VM=2, /* VM management */53 CTL_NET=3, /* Networking */54 CTL_PROC=4, /* removal breaks strace(1) compilation */55 CTL_FS=5, /* Filesystems */56 CTL_DEBUG=6, /* Debugging */57 CTL_DEV=7, /* Devices */58 CTL_BUS=8, /* Busses */59 CTL_ABI=9, /* Binary emulation */60 CTL_CPU=10, /* CPU stuff (speed scaling, etc) */61 CTL_ARLAN=254, /* arlan wireless driver */62 CTL_S390DBF=5677, /* s390 debug */63 CTL_SUNRPC=7249, /* sunrpc debug */64 CTL_PM=9899, /* frv power management */65 CTL_FRV=9898, /* frv specific sysctls */66};67 68/* CTL_BUS names: */69enum70{71 CTL_BUS_ISA=1 /* ISA */72};73 74/* /proc/sys/fs/inotify/ */75enum76{77 INOTIFY_MAX_USER_INSTANCES=1, /* max instances per user */78 INOTIFY_MAX_USER_WATCHES=2, /* max watches per user */79 INOTIFY_MAX_QUEUED_EVENTS=3 /* max queued events per instance */80};81 82/* CTL_KERN names: */83enum84{85 KERN_OSTYPE=1, /* string: system version */86 KERN_OSRELEASE=2, /* string: system release */87 KERN_OSREV=3, /* int: system revision */88 KERN_VERSION=4, /* string: compile time info */89 KERN_SECUREMASK=5, /* struct: maximum rights mask */90 KERN_PROF=6, /* table: profiling information */91 KERN_NODENAME=7, /* string: hostname */92 KERN_DOMAINNAME=8, /* string: domainname */93 94 KERN_PANIC=15, /* int: panic timeout */95 KERN_REALROOTDEV=16, /* real root device to mount after initrd */96 97 KERN_SPARC_REBOOT=21, /* reboot command on Sparc */98 KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */99 KERN_PRINTK=23, /* struct: control printk logging parameters */100 KERN_NAMETRANS=24, /* Name translation */101 KERN_PPC_HTABRECLAIM=25, /* turn htab reclaimation on/off on PPC */102 KERN_PPC_ZEROPAGED=26, /* turn idle page zeroing on/off on PPC */103 KERN_PPC_POWERSAVE_NAP=27, /* use nap mode for power saving */104 KERN_MODPROBE=28, /* string: modprobe path */105 KERN_SG_BIG_BUFF=29, /* int: sg driver reserved buffer size */106 KERN_ACCT=30, /* BSD process accounting parameters */107 KERN_PPC_L2CR=31, /* l2cr register on PPC */108 109 KERN_RTSIGNR=32, /* Number of rt sigs queued */110 KERN_RTSIGMAX=33, /* Max queuable */111 112 KERN_SHMMAX=34, /* long: Maximum shared memory segment */113 KERN_MSGMAX=35, /* int: Maximum size of a messege */114 KERN_MSGMNB=36, /* int: Maximum message queue size */115 KERN_MSGPOOL=37, /* int: Maximum system message pool size */116 KERN_SYSRQ=38, /* int: Sysreq enable */117 KERN_MAX_THREADS=39, /* int: Maximum nr of threads in the system */118 KERN_RANDOM=40, /* Random driver */119 KERN_SHMALL=41, /* int: Maximum size of shared memory */120 KERN_MSGMNI=42, /* int: msg queue identifiers */121 KERN_SEM=43, /* struct: sysv semaphore limits */122 KERN_SPARC_STOP_A=44, /* int: Sparc Stop-A enable */123 KERN_SHMMNI=45, /* int: shm array identifiers */124 KERN_OVERFLOWUID=46, /* int: overflow UID */125 KERN_OVERFLOWGID=47, /* int: overflow GID */126 KERN_SHMPATH=48, /* string: path to shm fs */127 KERN_HOTPLUG=49, /* string: path to uevent helper (deprecated) */128 KERN_IEEE_EMULATION_WARNINGS=50, /* int: unimplemented ieee instructions */129 KERN_S390_USER_DEBUG_LOGGING=51, /* int: dumps of user faults */130 KERN_CORE_USES_PID=52, /* int: use core or core.%pid */131 KERN_TAINTED=53, /* int: various kernel tainted flags */132 KERN_CADPID=54, /* int: PID of the process to notify on CAD */133 KERN_PIDMAX=55, /* int: PID # limit */134 KERN_CORE_PATTERN=56, /* string: pattern for core-file names */135 KERN_PANIC_ON_OOPS=57, /* int: whether we will panic on an oops */136 KERN_HPPA_PWRSW=58, /* int: hppa soft-power enable */137 KERN_HPPA_UNALIGNED=59, /* int: hppa unaligned-trap enable */138 KERN_PRINTK_RATELIMIT=60, /* int: tune printk ratelimiting */139 KERN_PRINTK_RATELIMIT_BURST=61, /* int: tune printk ratelimiting */140 KERN_PTY=62, /* dir: pty driver */141 KERN_NGROUPS_MAX=63, /* int: NGROUPS_MAX */142 KERN_SPARC_SCONS_PWROFF=64, /* int: serial console power-off halt */143 KERN_HZ_TIMER=65, /* int: hz timer on or off */144 KERN_UNKNOWN_NMI_PANIC=66, /* int: unknown nmi panic flag */145 KERN_BOOTLOADER_TYPE=67, /* int: boot loader type */146 KERN_RANDOMIZE=68, /* int: randomize virtual address space */147 KERN_SETUID_DUMPABLE=69, /* int: behaviour of dumps for setuid core */148 KERN_SPIN_RETRY=70, /* int: number of spinlock retries */149 KERN_ACPI_VIDEO_FLAGS=71, /* int: flags for setting up video after ACPI sleep */150 KERN_IA64_UNALIGNED=72, /* int: ia64 unaligned userland trap enable */151 KERN_COMPAT_LOG=73, /* int: print compat layer messages */152 KERN_MAX_LOCK_DEPTH=74, /* int: rtmutex's maximum lock depth */153 KERN_NMI_WATCHDOG=75, /* int: enable/disable nmi watchdog */154 KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */155 KERN_PANIC_ON_WARN=77, /* int: call panic() in WARN() functions */156 KERN_PANIC_PRINT=78, /* ulong: bitmask to print system info on panic */157};158 159 160 161/* CTL_VM names: */162enum163{164 VM_UNUSED1=1, /* was: struct: Set vm swapping control */165 VM_UNUSED2=2, /* was; int: Linear or sqrt() swapout for hogs */166 VM_UNUSED3=3, /* was: struct: Set free page thresholds */167 VM_UNUSED4=4, /* Spare */168 VM_OVERCOMMIT_MEMORY=5, /* Turn off the virtual memory safety limit */169 VM_UNUSED5=6, /* was: struct: Set buffer memory thresholds */170 VM_UNUSED7=7, /* was: struct: Set cache memory thresholds */171 VM_UNUSED8=8, /* was: struct: Control kswapd behaviour */172 VM_UNUSED9=9, /* was: struct: Set page table cache parameters */173 VM_PAGE_CLUSTER=10, /* int: set number of pages to swap together */174 VM_DIRTY_BACKGROUND=11, /* dirty_background_ratio */175 VM_DIRTY_RATIO=12, /* dirty_ratio */176 VM_DIRTY_WB_CS=13, /* dirty_writeback_centisecs */177 VM_DIRTY_EXPIRE_CS=14, /* dirty_expire_centisecs */178 VM_NR_PDFLUSH_THREADS=15, /* nr_pdflush_threads */179 VM_OVERCOMMIT_RATIO=16, /* percent of RAM to allow overcommit in */180 VM_PAGEBUF=17, /* struct: Control pagebuf parameters */181 VM_HUGETLB_PAGES=18, /* int: Number of available Huge Pages */182 VM_SWAPPINESS=19, /* Tendency to steal mapped memory */183 VM_LOWMEM_RESERVE_RATIO=20,/* reservation ratio for lower memory zones */184 VM_MIN_FREE_KBYTES=21, /* Minimum free kilobytes to maintain */185 VM_MAX_MAP_COUNT=22, /* int: Maximum number of mmaps/address-space */186 VM_LAPTOP_MODE=23, /* vm laptop mode */187 VM_BLOCK_DUMP=24, /* block dump mode */188 VM_HUGETLB_GROUP=25, /* permitted hugetlb group */189 VM_VFS_CACHE_PRESSURE=26, /* dcache/icache reclaim pressure */190 VM_LEGACY_VA_LAYOUT=27, /* legacy/compatibility virtual address space layout */191 VM_SWAP_TOKEN_TIMEOUT=28, /* default time for token time out */192 VM_DROP_PAGECACHE=29, /* int: nuke lots of pagecache */193 VM_PERCPU_PAGELIST_FRACTION=30,/* int: fraction of pages in each percpu_pagelist */194 VM_ZONE_RECLAIM_MODE=31, /* reclaim local zone memory before going off node */195 VM_MIN_UNMAPPED=32, /* Set min percent of unmapped pages */196 VM_PANIC_ON_OOM=33, /* panic at out-of-memory */197 VM_VDSO_ENABLED=34, /* map VDSO into new processes? */198 VM_MIN_SLAB=35, /* Percent pages ignored by node reclaim */199};200 201 202/* CTL_NET names: */203enum204{205 NET_CORE=1,206 NET_ETHER=2,207 NET_802=3,208 NET_UNIX=4,209 NET_IPV4=5,210 NET_IPX=6,211 NET_ATALK=7,212 NET_NETROM=8,213 NET_AX25=9,214 NET_BRIDGE=10,215 NET_ROSE=11,216 NET_IPV6=12,217 NET_X25=13,218 NET_TR=14,219 NET_DECNET=15,220 NET_ECONET=16,221 NET_SCTP=17,222 NET_LLC=18,223 NET_NETFILTER=19,224 NET_DCCP=20,225 NET_IRDA=412,226};227 228/* /proc/sys/kernel/random */229enum230{231 RANDOM_POOLSIZE=1,232 RANDOM_ENTROPY_COUNT=2,233 RANDOM_READ_THRESH=3,234 RANDOM_WRITE_THRESH=4,235 RANDOM_BOOT_ID=5,236 RANDOM_UUID=6237};238 239/* /proc/sys/kernel/pty */240enum241{242 PTY_MAX=1,243 PTY_NR=2244};245 246/* /proc/sys/bus/isa */247enum248{249 BUS_ISA_MEM_BASE=1,250 BUS_ISA_PORT_BASE=2,251 BUS_ISA_PORT_SHIFT=3252};253 254/* /proc/sys/net/core */255enum256{257 NET_CORE_WMEM_MAX=1,258 NET_CORE_RMEM_MAX=2,259 NET_CORE_WMEM_DEFAULT=3,260 NET_CORE_RMEM_DEFAULT=4,261/* was NET_CORE_DESTROY_DELAY */262 NET_CORE_MAX_BACKLOG=6,263 NET_CORE_FASTROUTE=7,264 NET_CORE_MSG_COST=8,265 NET_CORE_MSG_BURST=9,266 NET_CORE_OPTMEM_MAX=10,267 NET_CORE_HOT_LIST_LENGTH=11,268 NET_CORE_DIVERT_VERSION=12,269 NET_CORE_NO_CONG_THRESH=13,270 NET_CORE_NO_CONG=14,271 NET_CORE_LO_CONG=15,272 NET_CORE_MOD_CONG=16,273 NET_CORE_DEV_WEIGHT=17,274 NET_CORE_SOMAXCONN=18,275 NET_CORE_BUDGET=19,276 NET_CORE_AEVENT_ETIME=20,277 NET_CORE_AEVENT_RSEQTH=21,278 NET_CORE_WARNINGS=22,279};280 281/* /proc/sys/net/ethernet */282 283/* /proc/sys/net/802 */284 285/* /proc/sys/net/unix */286 287enum288{289 NET_UNIX_DESTROY_DELAY=1,290 NET_UNIX_DELETE_DELAY=2,291 NET_UNIX_MAX_DGRAM_QLEN=3,292};293 294/* /proc/sys/net/netfilter */295enum296{297 NET_NF_CONNTRACK_MAX=1,298 NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT=2,299 NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV=3,300 NET_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED=4,301 NET_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT=5,302 NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT=6,303 NET_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK=7,304 NET_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT=8,305 NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE=9,306 NET_NF_CONNTRACK_UDP_TIMEOUT=10,307 NET_NF_CONNTRACK_UDP_TIMEOUT_STREAM=11,308 NET_NF_CONNTRACK_ICMP_TIMEOUT=12,309 NET_NF_CONNTRACK_GENERIC_TIMEOUT=13,310 NET_NF_CONNTRACK_BUCKETS=14,311 NET_NF_CONNTRACK_LOG_INVALID=15,312 NET_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS=16,313 NET_NF_CONNTRACK_TCP_LOOSE=17,314 NET_NF_CONNTRACK_TCP_BE_LIBERAL=18,315 NET_NF_CONNTRACK_TCP_MAX_RETRANS=19,316 NET_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED=20,317 NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT=21,318 NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED=22,319 NET_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED=23,320 NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT=24,321 NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD=25,322 NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT=26,323 NET_NF_CONNTRACK_COUNT=27,324 NET_NF_CONNTRACK_ICMPV6_TIMEOUT=28,325 NET_NF_CONNTRACK_FRAG6_TIMEOUT=29,326 NET_NF_CONNTRACK_FRAG6_LOW_THRESH=30,327 NET_NF_CONNTRACK_FRAG6_HIGH_THRESH=31,328 NET_NF_CONNTRACK_CHECKSUM=32,329};330 331/* /proc/sys/net/ipv4 */332enum333{334 /* v2.0 compatibile variables */335 NET_IPV4_FORWARD=8,336 NET_IPV4_DYNADDR=9,337 338 NET_IPV4_CONF=16,339 NET_IPV4_NEIGH=17,340 NET_IPV4_ROUTE=18,341 NET_IPV4_FIB_HASH=19,342 NET_IPV4_NETFILTER=20,343 344 NET_IPV4_TCP_TIMESTAMPS=33,345 NET_IPV4_TCP_WINDOW_SCALING=34,346 NET_IPV4_TCP_SACK=35,347 NET_IPV4_TCP_RETRANS_COLLAPSE=36,348 NET_IPV4_DEFAULT_TTL=37,349 NET_IPV4_AUTOCONFIG=38,350 NET_IPV4_NO_PMTU_DISC=39,351 NET_IPV4_TCP_SYN_RETRIES=40,352 NET_IPV4_IPFRAG_HIGH_THRESH=41,353 NET_IPV4_IPFRAG_LOW_THRESH=42,354 NET_IPV4_IPFRAG_TIME=43,355 NET_IPV4_TCP_MAX_KA_PROBES=44,356 NET_IPV4_TCP_KEEPALIVE_TIME=45,357 NET_IPV4_TCP_KEEPALIVE_PROBES=46,358 NET_IPV4_TCP_RETRIES1=47,359 NET_IPV4_TCP_RETRIES2=48,360 NET_IPV4_TCP_FIN_TIMEOUT=49,361 NET_IPV4_IP_MASQ_DEBUG=50,362 NET_TCP_SYNCOOKIES=51,363 NET_TCP_STDURG=52,364 NET_TCP_RFC1337=53,365 NET_TCP_SYN_TAILDROP=54,366 NET_TCP_MAX_SYN_BACKLOG=55,367 NET_IPV4_LOCAL_PORT_RANGE=56,368 NET_IPV4_ICMP_ECHO_IGNORE_ALL=57,369 NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS=58,370 NET_IPV4_ICMP_SOURCEQUENCH_RATE=59,371 NET_IPV4_ICMP_DESTUNREACH_RATE=60,372 NET_IPV4_ICMP_TIMEEXCEED_RATE=61,373 NET_IPV4_ICMP_PARAMPROB_RATE=62,374 NET_IPV4_ICMP_ECHOREPLY_RATE=63,375 NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES=64,376 NET_IPV4_IGMP_MAX_MEMBERSHIPS=65,377 NET_TCP_TW_RECYCLE=66,378 NET_IPV4_ALWAYS_DEFRAG=67,379 NET_IPV4_TCP_KEEPALIVE_INTVL=68,380 NET_IPV4_INET_PEER_THRESHOLD=69,381 NET_IPV4_INET_PEER_MINTTL=70,382 NET_IPV4_INET_PEER_MAXTTL=71,383 NET_IPV4_INET_PEER_GC_MINTIME=72,384 NET_IPV4_INET_PEER_GC_MAXTIME=73,385 NET_TCP_ORPHAN_RETRIES=74,386 NET_TCP_ABORT_ON_OVERFLOW=75,387 NET_TCP_SYNACK_RETRIES=76,388 NET_TCP_MAX_ORPHANS=77,389 NET_TCP_MAX_TW_BUCKETS=78,390 NET_TCP_FACK=79,391 NET_TCP_REORDERING=80,392 NET_TCP_ECN=81,393 NET_TCP_DSACK=82,394 NET_TCP_MEM=83,395 NET_TCP_WMEM=84,396 NET_TCP_RMEM=85,397 NET_TCP_APP_WIN=86,398 NET_TCP_ADV_WIN_SCALE=87,399 NET_IPV4_NONLOCAL_BIND=88,400 NET_IPV4_ICMP_RATELIMIT=89,401 NET_IPV4_ICMP_RATEMASK=90,402 NET_TCP_TW_REUSE=91,403 NET_TCP_FRTO=92,404 NET_TCP_LOW_LATENCY=93,405 NET_IPV4_IPFRAG_SECRET_INTERVAL=94,406 NET_IPV4_IGMP_MAX_MSF=96,407 NET_TCP_NO_METRICS_SAVE=97,408 NET_TCP_DEFAULT_WIN_SCALE=105,409 NET_TCP_MODERATE_RCVBUF=106,410 NET_TCP_TSO_WIN_DIVISOR=107,411 NET_TCP_BIC_BETA=108,412 NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR=109,413 NET_TCP_CONG_CONTROL=110,414 NET_TCP_ABC=111,415 NET_IPV4_IPFRAG_MAX_DIST=112,416 NET_TCP_MTU_PROBING=113,417 NET_TCP_BASE_MSS=114,418 NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS=115,419 NET_TCP_DMA_COPYBREAK=116,420 NET_TCP_SLOW_START_AFTER_IDLE=117,421 NET_CIPSOV4_CACHE_ENABLE=118,422 NET_CIPSOV4_CACHE_BUCKET_SIZE=119,423 NET_CIPSOV4_RBM_OPTFMT=120,424 NET_CIPSOV4_RBM_STRICTVALID=121,425 NET_TCP_AVAIL_CONG_CONTROL=122,426 NET_TCP_ALLOWED_CONG_CONTROL=123,427 NET_TCP_MAX_SSTHRESH=124,428 NET_TCP_FRTO_RESPONSE=125,429};430 431enum {432 NET_IPV4_ROUTE_FLUSH=1,433 NET_IPV4_ROUTE_MIN_DELAY=2, /* obsolete since 2.6.25 */434 NET_IPV4_ROUTE_MAX_DELAY=3, /* obsolete since 2.6.25 */435 NET_IPV4_ROUTE_GC_THRESH=4,436 NET_IPV4_ROUTE_MAX_SIZE=5,437 NET_IPV4_ROUTE_GC_MIN_INTERVAL=6,438 NET_IPV4_ROUTE_GC_TIMEOUT=7,439 NET_IPV4_ROUTE_GC_INTERVAL=8, /* obsolete since 2.6.38 */440 NET_IPV4_ROUTE_REDIRECT_LOAD=9,441 NET_IPV4_ROUTE_REDIRECT_NUMBER=10,442 NET_IPV4_ROUTE_REDIRECT_SILENCE=11,443 NET_IPV4_ROUTE_ERROR_COST=12,444 NET_IPV4_ROUTE_ERROR_BURST=13,445 NET_IPV4_ROUTE_GC_ELASTICITY=14,446 NET_IPV4_ROUTE_MTU_EXPIRES=15,447 NET_IPV4_ROUTE_MIN_PMTU=16,448 NET_IPV4_ROUTE_MIN_ADVMSS=17,449 NET_IPV4_ROUTE_SECRET_INTERVAL=18,450 NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS=19,451};452 453enum454{455 NET_PROTO_CONF_ALL=-2,456 NET_PROTO_CONF_DEFAULT=-3457 458 /* And device ifindices ... */459};460 461enum462{463 NET_IPV4_CONF_FORWARDING=1,464 NET_IPV4_CONF_MC_FORWARDING=2,465 NET_IPV4_CONF_PROXY_ARP=3,466 NET_IPV4_CONF_ACCEPT_REDIRECTS=4,467 NET_IPV4_CONF_SECURE_REDIRECTS=5,468 NET_IPV4_CONF_SEND_REDIRECTS=6,469 NET_IPV4_CONF_SHARED_MEDIA=7,470 NET_IPV4_CONF_RP_FILTER=8,471 NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE=9,472 NET_IPV4_CONF_BOOTP_RELAY=10,473 NET_IPV4_CONF_LOG_MARTIANS=11,474 NET_IPV4_CONF_TAG=12,475 NET_IPV4_CONF_ARPFILTER=13,476 NET_IPV4_CONF_MEDIUM_ID=14,477 NET_IPV4_CONF_NOXFRM=15,478 NET_IPV4_CONF_NOPOLICY=16,479 NET_IPV4_CONF_FORCE_IGMP_VERSION=17,480 NET_IPV4_CONF_ARP_ANNOUNCE=18,481 NET_IPV4_CONF_ARP_IGNORE=19,482 NET_IPV4_CONF_PROMOTE_SECONDARIES=20,483 NET_IPV4_CONF_ARP_ACCEPT=21,484 NET_IPV4_CONF_ARP_NOTIFY=22,485 NET_IPV4_CONF_ARP_EVICT_NOCARRIER=23,486};487 488/* /proc/sys/net/ipv4/netfilter */489enum490{491 NET_IPV4_NF_CONNTRACK_MAX=1,492 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT=2,493 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV=3,494 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED=4,495 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT=5,496 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT=6,497 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK=7,498 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT=8,499 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE=9,500 NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT=10,501 NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM=11,502 NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT=12,503 NET_IPV4_NF_CONNTRACK_GENERIC_TIMEOUT=13,504 NET_IPV4_NF_CONNTRACK_BUCKETS=14,505 NET_IPV4_NF_CONNTRACK_LOG_INVALID=15,506 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS=16,507 NET_IPV4_NF_CONNTRACK_TCP_LOOSE=17,508 NET_IPV4_NF_CONNTRACK_TCP_BE_LIBERAL=18,509 NET_IPV4_NF_CONNTRACK_TCP_MAX_RETRANS=19,510 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED=20,511 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT=21,512 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED=22,513 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED=23,514 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT=24,515 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD=25,516 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT=26,517 NET_IPV4_NF_CONNTRACK_COUNT=27,518 NET_IPV4_NF_CONNTRACK_CHECKSUM=28,519};520 521/* /proc/sys/net/ipv6 */522enum {523 NET_IPV6_CONF=16,524 NET_IPV6_NEIGH=17,525 NET_IPV6_ROUTE=18,526 NET_IPV6_ICMP=19,527 NET_IPV6_BINDV6ONLY=20,528 NET_IPV6_IP6FRAG_HIGH_THRESH=21,529 NET_IPV6_IP6FRAG_LOW_THRESH=22,530 NET_IPV6_IP6FRAG_TIME=23,531 NET_IPV6_IP6FRAG_SECRET_INTERVAL=24,532 NET_IPV6_MLD_MAX_MSF=25,533};534 535enum {536 NET_IPV6_ROUTE_FLUSH=1,537 NET_IPV6_ROUTE_GC_THRESH=2,538 NET_IPV6_ROUTE_MAX_SIZE=3,539 NET_IPV6_ROUTE_GC_MIN_INTERVAL=4,540 NET_IPV6_ROUTE_GC_TIMEOUT=5,541 NET_IPV6_ROUTE_GC_INTERVAL=6,542 NET_IPV6_ROUTE_GC_ELASTICITY=7,543 NET_IPV6_ROUTE_MTU_EXPIRES=8,544 NET_IPV6_ROUTE_MIN_ADVMSS=9,545 NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS=10546};547 548enum {549 NET_IPV6_FORWARDING=1,550 NET_IPV6_HOP_LIMIT=2,551 NET_IPV6_MTU=3,552 NET_IPV6_ACCEPT_RA=4,553 NET_IPV6_ACCEPT_REDIRECTS=5,554 NET_IPV6_AUTOCONF=6,555 NET_IPV6_DAD_TRANSMITS=7,556 NET_IPV6_RTR_SOLICITS=8,557 NET_IPV6_RTR_SOLICIT_INTERVAL=9,558 NET_IPV6_RTR_SOLICIT_DELAY=10,559 NET_IPV6_USE_TEMPADDR=11,560 NET_IPV6_TEMP_VALID_LFT=12,561 NET_IPV6_TEMP_PREFERED_LFT=13,562 NET_IPV6_REGEN_MAX_RETRY=14,563 NET_IPV6_MAX_DESYNC_FACTOR=15,564 NET_IPV6_MAX_ADDRESSES=16,565 NET_IPV6_FORCE_MLD_VERSION=17,566 NET_IPV6_ACCEPT_RA_DEFRTR=18,567 NET_IPV6_ACCEPT_RA_PINFO=19,568 NET_IPV6_ACCEPT_RA_RTR_PREF=20,569 NET_IPV6_RTR_PROBE_INTERVAL=21,570 NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN=22,571 NET_IPV6_PROXY_NDP=23,572 NET_IPV6_ACCEPT_SOURCE_ROUTE=25,573 NET_IPV6_ACCEPT_RA_FROM_LOCAL=26,574 NET_IPV6_ACCEPT_RA_RT_INFO_MIN_PLEN=27,575 NET_IPV6_RA_DEFRTR_METRIC=28,576 __NET_IPV6_MAX577};578 579/* /proc/sys/net/ipv6/icmp */580enum {581 NET_IPV6_ICMP_RATELIMIT = 1,582 NET_IPV6_ICMP_ECHO_IGNORE_ALL = 2583};584 585/* /proc/sys/net/<protocol>/neigh/<dev> */586enum {587 NET_NEIGH_MCAST_SOLICIT = 1,588 NET_NEIGH_UCAST_SOLICIT = 2,589 NET_NEIGH_APP_SOLICIT = 3,590 NET_NEIGH_RETRANS_TIME = 4,591 NET_NEIGH_REACHABLE_TIME = 5,592 NET_NEIGH_DELAY_PROBE_TIME = 6,593 NET_NEIGH_GC_STALE_TIME = 7,594 NET_NEIGH_UNRES_QLEN = 8,595 NET_NEIGH_PROXY_QLEN = 9,596 NET_NEIGH_ANYCAST_DELAY = 10,597 NET_NEIGH_PROXY_DELAY = 11,598 NET_NEIGH_LOCKTIME = 12,599 NET_NEIGH_GC_INTERVAL = 13,600 NET_NEIGH_GC_THRESH1 = 14,601 NET_NEIGH_GC_THRESH2 = 15,602 NET_NEIGH_GC_THRESH3 = 16,603 NET_NEIGH_RETRANS_TIME_MS = 17,604 NET_NEIGH_REACHABLE_TIME_MS = 18,605 NET_NEIGH_INTERVAL_PROBE_TIME_MS = 19,606};607 608/* /proc/sys/net/dccp */609enum {610 NET_DCCP_DEFAULT=1,611};612 613/* /proc/sys/net/ipx */614enum {615 NET_IPX_PPROP_BROADCASTING=1,616 NET_IPX_FORWARDING=2617};618 619/* /proc/sys/net/llc */620enum {621 NET_LLC2=1,622 NET_LLC_STATION=2,623};624 625/* /proc/sys/net/llc/llc2 */626enum {627 NET_LLC2_TIMEOUT=1,628};629 630/* /proc/sys/net/llc/station */631enum {632 NET_LLC_STATION_ACK_TIMEOUT=1,633};634 635/* /proc/sys/net/llc/llc2/timeout */636enum {637 NET_LLC2_ACK_TIMEOUT=1,638 NET_LLC2_P_TIMEOUT=2,639 NET_LLC2_REJ_TIMEOUT=3,640 NET_LLC2_BUSY_TIMEOUT=4,641};642 643/* /proc/sys/net/appletalk */644enum {645 NET_ATALK_AARP_EXPIRY_TIME=1,646 NET_ATALK_AARP_TICK_TIME=2,647 NET_ATALK_AARP_RETRANSMIT_LIMIT=3,648 NET_ATALK_AARP_RESOLVE_TIME=4649};650 651 652/* /proc/sys/net/netrom */653enum {654 NET_NETROM_DEFAULT_PATH_QUALITY=1,655 NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER=2,656 NET_NETROM_NETWORK_TTL_INITIALISER=3,657 NET_NETROM_TRANSPORT_TIMEOUT=4,658 NET_NETROM_TRANSPORT_MAXIMUM_TRIES=5,659 NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY=6,660 NET_NETROM_TRANSPORT_BUSY_DELAY=7,661 NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE=8,662 NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT=9,663 NET_NETROM_ROUTING_CONTROL=10,664 NET_NETROM_LINK_FAILS_COUNT=11,665 NET_NETROM_RESET=12666};667 668/* /proc/sys/net/ax25 */669enum {670 NET_AX25_IP_DEFAULT_MODE=1,671 NET_AX25_DEFAULT_MODE=2,672 NET_AX25_BACKOFF_TYPE=3,673 NET_AX25_CONNECT_MODE=4,674 NET_AX25_STANDARD_WINDOW=5,675 NET_AX25_EXTENDED_WINDOW=6,676 NET_AX25_T1_TIMEOUT=7,677 NET_AX25_T2_TIMEOUT=8,678 NET_AX25_T3_TIMEOUT=9,679 NET_AX25_IDLE_TIMEOUT=10,680 NET_AX25_N2=11,681 NET_AX25_PACLEN=12,682 NET_AX25_PROTOCOL=13,683 NET_AX25_DAMA_SLAVE_TIMEOUT=14684};685 686/* /proc/sys/net/rose */687enum {688 NET_ROSE_RESTART_REQUEST_TIMEOUT=1,689 NET_ROSE_CALL_REQUEST_TIMEOUT=2,690 NET_ROSE_RESET_REQUEST_TIMEOUT=3,691 NET_ROSE_CLEAR_REQUEST_TIMEOUT=4,692 NET_ROSE_ACK_HOLD_BACK_TIMEOUT=5,693 NET_ROSE_ROUTING_CONTROL=6,694 NET_ROSE_LINK_FAIL_TIMEOUT=7,695 NET_ROSE_MAX_VCS=8,696 NET_ROSE_WINDOW_SIZE=9,697 NET_ROSE_NO_ACTIVITY_TIMEOUT=10698};699 700/* /proc/sys/net/x25 */701enum {702 NET_X25_RESTART_REQUEST_TIMEOUT=1,703 NET_X25_CALL_REQUEST_TIMEOUT=2,704 NET_X25_RESET_REQUEST_TIMEOUT=3,705 NET_X25_CLEAR_REQUEST_TIMEOUT=4,706 NET_X25_ACK_HOLD_BACK_TIMEOUT=5,707 NET_X25_FORWARD=6708};709 710/* /proc/sys/net/token-ring */711enum712{713 NET_TR_RIF_TIMEOUT=1714};715 716/* /proc/sys/net/decnet/ */717enum {718 NET_DECNET_NODE_TYPE = 1,719 NET_DECNET_NODE_ADDRESS = 2,720 NET_DECNET_NODE_NAME = 3,721 NET_DECNET_DEFAULT_DEVICE = 4,722 NET_DECNET_TIME_WAIT = 5,723 NET_DECNET_DN_COUNT = 6,724 NET_DECNET_DI_COUNT = 7,725 NET_DECNET_DR_COUNT = 8,726 NET_DECNET_DST_GC_INTERVAL = 9,727 NET_DECNET_CONF = 10,728 NET_DECNET_NO_FC_MAX_CWND = 11,729 NET_DECNET_MEM = 12,730 NET_DECNET_RMEM = 13,731 NET_DECNET_WMEM = 14,732 NET_DECNET_DEBUG_LEVEL = 255733};734 735/* /proc/sys/net/decnet/conf/<dev> */736enum {737 NET_DECNET_CONF_LOOPBACK = -2,738 NET_DECNET_CONF_DDCMP = -3,739 NET_DECNET_CONF_PPP = -4,740 NET_DECNET_CONF_X25 = -5,741 NET_DECNET_CONF_GRE = -6,742 NET_DECNET_CONF_ETHER = -7743 744 /* ... and ifindex of devices */745};746 747/* /proc/sys/net/decnet/conf/<dev>/ */748enum {749 NET_DECNET_CONF_DEV_PRIORITY = 1,750 NET_DECNET_CONF_DEV_T1 = 2,751 NET_DECNET_CONF_DEV_T2 = 3,752 NET_DECNET_CONF_DEV_T3 = 4,753 NET_DECNET_CONF_DEV_FORWARDING = 5,754 NET_DECNET_CONF_DEV_BLKSIZE = 6,755 NET_DECNET_CONF_DEV_STATE = 7756};757 758/* /proc/sys/net/sctp */759enum {760 NET_SCTP_RTO_INITIAL = 1,761 NET_SCTP_RTO_MIN = 2,762 NET_SCTP_RTO_MAX = 3,763 NET_SCTP_RTO_ALPHA = 4,764 NET_SCTP_RTO_BETA = 5,765 NET_SCTP_VALID_COOKIE_LIFE = 6,766 NET_SCTP_ASSOCIATION_MAX_RETRANS = 7,767 NET_SCTP_PATH_MAX_RETRANS = 8,768 NET_SCTP_MAX_INIT_RETRANSMITS = 9,769 NET_SCTP_HB_INTERVAL = 10,770 NET_SCTP_PRESERVE_ENABLE = 11,771 NET_SCTP_MAX_BURST = 12,772 NET_SCTP_ADDIP_ENABLE = 13,773 NET_SCTP_PRSCTP_ENABLE = 14,774 NET_SCTP_SNDBUF_POLICY = 15,775 NET_SCTP_SACK_TIMEOUT = 16,776 NET_SCTP_RCVBUF_POLICY = 17,777};778 779/* /proc/sys/net/bridge */780enum {781 NET_BRIDGE_NF_CALL_ARPTABLES = 1,782 NET_BRIDGE_NF_CALL_IPTABLES = 2,783 NET_BRIDGE_NF_CALL_IP6TABLES = 3,784 NET_BRIDGE_NF_FILTER_VLAN_TAGGED = 4,785 NET_BRIDGE_NF_FILTER_PPPOE_TAGGED = 5,786};787 788 789/* CTL_FS names: */790enum791{792 FS_NRINODE=1, /* int:current number of allocated inodes */793 FS_STATINODE=2,794 FS_MAXINODE=3, /* int:maximum number of inodes that can be allocated */795 FS_NRDQUOT=4, /* int:current number of allocated dquots */796 FS_MAXDQUOT=5, /* int:maximum number of dquots that can be allocated */797 FS_NRFILE=6, /* int:current number of allocated filedescriptors */798 FS_MAXFILE=7, /* int:maximum number of filedescriptors that can be allocated */799 FS_DENTRY=8,800 FS_NRSUPER=9, /* int:current number of allocated super_blocks */801 FS_MAXSUPER=10, /* int:maximum number of super_blocks that can be allocated */802 FS_OVERFLOWUID=11, /* int: overflow UID */803 FS_OVERFLOWGID=12, /* int: overflow GID */804 FS_LEASES=13, /* int: leases enabled */805 FS_DIR_NOTIFY=14, /* int: directory notification enabled */806 FS_LEASE_TIME=15, /* int: maximum time to wait for a lease break */807 FS_DQSTATS=16, /* disc quota usage statistics and control */808 FS_XFS=17, /* struct: control xfs parameters */809 FS_AIO_NR=18, /* current system-wide number of aio requests */810 FS_AIO_MAX_NR=19, /* system-wide maximum number of aio requests */811 FS_INOTIFY=20, /* inotify submenu */812 FS_OCFS2=988, /* ocfs2 */813};814 815/* /proc/sys/fs/quota/ */816enum {817 FS_DQ_LOOKUPS = 1,818 FS_DQ_DROPS = 2,819 FS_DQ_READS = 3,820 FS_DQ_WRITES = 4,821 FS_DQ_CACHE_HITS = 5,822 FS_DQ_ALLOCATED = 6,823 FS_DQ_FREE = 7,824 FS_DQ_SYNCS = 8,825 FS_DQ_WARNINGS = 9,826};827 828/* CTL_DEBUG names: */829 830/* CTL_DEV names: */831enum {832 DEV_CDROM=1,833 DEV_HWMON=2,834 DEV_PARPORT=3,835 DEV_RAID=4,836 DEV_MAC_HID=5,837 DEV_SCSI=6,838 DEV_IPMI=7,839};840 841/* /proc/sys/dev/cdrom */842enum {843 DEV_CDROM_INFO=1,844 DEV_CDROM_AUTOCLOSE=2,845 DEV_CDROM_AUTOEJECT=3,846 DEV_CDROM_DEBUG=4,847 DEV_CDROM_LOCK=5,848 DEV_CDROM_CHECK_MEDIA=6849};850 851/* /proc/sys/dev/parport */852enum {853 DEV_PARPORT_DEFAULT=-3854};855 856/* /proc/sys/dev/raid */857enum {858 DEV_RAID_SPEED_LIMIT_MIN=1,859 DEV_RAID_SPEED_LIMIT_MAX=2860};861 862/* /proc/sys/dev/parport/default */863enum {864 DEV_PARPORT_DEFAULT_TIMESLICE=1,865 DEV_PARPORT_DEFAULT_SPINTIME=2866};867 868/* /proc/sys/dev/parport/parport n */869enum {870 DEV_PARPORT_SPINTIME=1,871 DEV_PARPORT_BASE_ADDR=2,872 DEV_PARPORT_IRQ=3,873 DEV_PARPORT_DMA=4,874 DEV_PARPORT_MODES=5,875 DEV_PARPORT_DEVICES=6,876 DEV_PARPORT_AUTOPROBE=16877};878 879/* /proc/sys/dev/parport/parport n/devices/ */880enum {881 DEV_PARPORT_DEVICES_ACTIVE=-3,882};883 884/* /proc/sys/dev/parport/parport n/devices/device n */885enum {886 DEV_PARPORT_DEVICE_TIMESLICE=1,887};888 889/* /proc/sys/dev/mac_hid */890enum {891 DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES=1,892 DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES=2,893 DEV_MAC_HID_MOUSE_BUTTON_EMULATION=3,894 DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE=4,895 DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE=5,896 DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES=6897};898 899/* /proc/sys/dev/scsi */900enum {901 DEV_SCSI_LOGGING_LEVEL=1,902};903 904/* /proc/sys/dev/ipmi */905enum {906 DEV_IPMI_POWEROFF_POWERCYCLE=1,907};908 909/* /proc/sys/abi */910enum911{912 ABI_DEFHANDLER_COFF=1, /* default handler for coff binaries */913 ABI_DEFHANDLER_ELF=2, /* default handler for ELF binaries */914 ABI_DEFHANDLER_LCALL7=3,/* default handler for procs using lcall7 */915 ABI_DEFHANDLER_LIBCSO=4,/* default handler for an libc.so ELF interp */916 ABI_TRACE=5, /* tracing flags */917 ABI_FAKE_UTSNAME=6, /* fake target utsname information */918};919 920 921#endif /* _UAPI_LINUX_SYSCTL_H */922