1 /* 2 * sysctl.h: General linux system control interface 3 * 4 * Begun 24 March 1995, Stephen Tweedie 5 * 6 **************************************************************** 7 **************************************************************** 8 ** 9 ** WARNING: 10 ** The values in this file are exported to user space via 11 ** the sysctl() binary interface. Do *NOT* change the 12 ** numbering of any existing values here, and do not change 13 ** any numbers within any one set of values. If you have to 14 ** redefine an existing interface, use a new number for it. 15 ** The kernel will then return -ENOTDIR to any application using 16 ** the old binary interface. 17 ** 18 ** For new interfaces unless you really need a binary number 19 ** please use CTL_UNNUMBERED. 20 ** 21 **************************************************************** 22 **************************************************************** 23 */ 24 25 #ifndef _LINUX_SYSCTL_H 26 #define _LINUX_SYSCTL_H 27 28 #include <linux/kernel.h> 29 #include <linux/types.h> 30 31 32 struct completion; 33 34 #define CTL_MAXNAME 10 /* how many path components do we allow in a 35 call to sysctl? In other words, what is 36 the largest acceptable value for the nlen 37 member of a struct __sysctl_args to have? */ 38 39 struct __sysctl_args { 40 int *name; 41 int nlen; 42 void *oldval; 43 size_t *oldlenp; 44 void *newval; 45 size_t newlen; 46 unsigned long __unused[4]; 47 }; 48 49 /* Define sysctl names first */ 50 51 /* Top-level names: */ 52 53 /* For internal pattern-matching use only: */ 54 55 enum 56 { 57 CTL_KERN=1, /* General kernel info and control */ 58 CTL_VM=2, /* VM management */ 59 CTL_NET=3, /* Networking */ 60 CTL_PROC=4, /* removal breaks strace(1) compilation */ 61 CTL_FS=5, /* Filesystems */ 62 CTL_DEBUG=6, /* Debugging */ 63 CTL_DEV=7, /* Devices */ 64 CTL_BUS=8, /* Busses */ 65 CTL_ABI=9, /* Binary emulation */ 66 CTL_CPU=10, /* CPU stuff (speed scaling, etc) */ 67 CTL_ARLAN=254, /* arlan wireless driver */ 68 CTL_S390DBF=5677, /* s390 debug */ 69 CTL_SUNRPC=7249, /* sunrpc debug */ 70 CTL_PM=9899, /* frv power management */ 71 CTL_FRV=9898, /* frv specific sysctls */ 72 }; 73 74 /* CTL_BUS names: */ 75 enum 76 { 77 CTL_BUS_ISA=1 /* ISA */ 78 }; 79 80 /* /proc/sys/fs/inotify/ */ 81 enum 82 { 83 INOTIFY_MAX_USER_INSTANCES=1, /* max instances per user */ 84 INOTIFY_MAX_USER_WATCHES=2, /* max watches per user */ 85 INOTIFY_MAX_QUEUED_EVENTS=3 /* max queued events per instance */ 86 }; 87 88 /* CTL_KERN names: */ 89 enum 90 { 91 KERN_OSTYPE=1, /* string: system version */ 92 KERN_OSRELEASE=2, /* string: system release */ 93 KERN_OSREV=3, /* int: system revision */ 94 KERN_VERSION=4, /* string: compile time info */ 95 KERN_SECUREMASK=5, /* struct: maximum rights mask */ 96 KERN_PROF=6, /* table: profiling information */ 97 KERN_NODENAME=7, 98 KERN_DOMAINNAME=8, 99 100 KERN_PANIC=15, /* int: panic timeout */ 101 KERN_REALROOTDEV=16, /* real root device to mount after initrd */ 102 103 KERN_SPARC_REBOOT=21, /* reboot command on Sparc */ 104 KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */ 105 KERN_PRINTK=23, /* struct: control printk logging parameters */ 106 KERN_NAMETRANS=24, /* Name translation */ 107 KERN_PPC_HTABRECLAIM=25, /* turn htab reclaimation on/off on PPC */ 108 KERN_PPC_ZEROPAGED=26, /* turn idle page zeroing on/off on PPC */ 109 KERN_PPC_POWERSAVE_NAP=27, /* use nap mode for power saving */ 110 KERN_MODPROBE=28, 111 KERN_SG_BIG_BUFF=29, 112 KERN_ACCT=30, /* BSD process accounting parameters */ 113 KERN_PPC_L2CR=31, /* l2cr register on PPC */ 114 115 KERN_RTSIGNR=32, /* Number of rt sigs queued */ 116 KERN_RTSIGMAX=33, /* Max queuable */ 117 118 KERN_SHMMAX=34, /* long: Maximum shared memory segment */ 119 KERN_MSGMAX=35, /* int: Maximum size of a messege */ 120 KERN_MSGMNB=36, /* int: Maximum message queue size */ 121 KERN_MSGPOOL=37, /* int: Maximum system message pool size */ 122 KERN_SYSRQ=38, /* int: Sysreq enable */ 123 KERN_MAX_THREADS=39, /* int: Maximum nr of threads in the system */ 124 KERN_RANDOM=40, /* Random driver */ 125 KERN_SHMALL=41, /* int: Maximum size of shared memory */ 126 KERN_MSGMNI=42, /* int: msg queue identifiers */ 127 KERN_SEM=43, /* struct: sysv semaphore limits */ 128 KERN_SPARC_STOP_A=44, /* int: Sparc Stop-A enable */ 129 KERN_SHMMNI=45, /* int: shm array identifiers */ 130 KERN_OVERFLOWUID=46, /* int: overflow UID */ 131 KERN_OVERFLOWGID=47, /* int: overflow GID */ 132 KERN_SHMPATH=48, /* string: path to shm fs */ 133 KERN_HOTPLUG=49, /* string: path to uevent helper (deprecated) */ 134 KERN_IEEE_EMULATION_WARNINGS=50, /* int: unimplemented ieee instructions */ 135 KERN_S390_USER_DEBUG_LOGGING=51, /* int: dumps of user faults */ 136 KERN_CORE_USES_PID=52, /* int: use core or core.%pid */ 137 KERN_TAINTED=53, /* int: various kernel tainted flags */ 138 KERN_CADPID=54, /* int: PID of the process to notify on CAD */ 139 KERN_PIDMAX=55, /* int: PID # limit */ 140 KERN_CORE_PATTERN=56, /* string: pattern for core-file names */ 141 KERN_PANIC_ON_OOPS=57, /* int: whether we will panic on an oops */ 142 KERN_HPPA_PWRSW=58, /* int: hppa soft-power enable */ 143 KERN_HPPA_UNALIGNED=59, /* int: hppa unaligned-trap enable */ 144 KERN_PRINTK_RATELIMIT=60, /* int: tune printk ratelimiting */ 145 KERN_PRINTK_RATELIMIT_BURST=61, /* int: tune printk ratelimiting */ 146 KERN_PTY=62, /* dir: pty driver */ 147 KERN_NGROUPS_MAX=63, /* int: NGROUPS_MAX */ 148 KERN_SPARC_SCONS_PWROFF=64, /* int: serial console power-off halt */ 149 KERN_HZ_TIMER=65, /* int: hz timer on or off */ 150 KERN_UNKNOWN_NMI_PANIC=66, /* int: unknown nmi panic flag */ 151 KERN_BOOTLOADER_TYPE=67, /* int: boot loader type */ 152 KERN_RANDOMIZE=68, /* int: randomize virtual address space */ 153 KERN_SETUID_DUMPABLE=69, /* int: behaviour of dumps for setuid core */ 154 KERN_SPIN_RETRY=70, /* int: number of spinlock retries */ 155 KERN_ACPI_VIDEO_FLAGS=71, /* int: flags for setting up video after ACPI sleep */ 156 KERN_IA64_UNALIGNED=72, /* int: ia64 unaligned userland trap enable */ 157 KERN_COMPAT_LOG=73, /* int: print compat layer messages */ 158 KERN_MAX_LOCK_DEPTH=74, 159 KERN_NMI_WATCHDOG=75, /* int: enable/disable nmi watchdog */ 160 KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */ 161 }; 162 163 164 165 /* CTL_VM names: */ 166 enum 167 { 168 VM_UNUSED1=1, /* was: struct: Set vm swapping control */ 169 VM_UNUSED2=2, /* was; int: Linear or sqrt() swapout for hogs */ 170 VM_UNUSED3=3, /* was: struct: Set free page thresholds */ 171 VM_UNUSED4=4, /* Spare */ 172 VM_OVERCOMMIT_MEMORY=5, /* Turn off the virtual memory safety limit */ 173 VM_UNUSED5=6, /* was: struct: Set buffer memory thresholds */ 174 VM_UNUSED7=7, /* was: struct: Set cache memory thresholds */ 175 VM_UNUSED8=8, /* was: struct: Control kswapd behaviour */ 176 VM_UNUSED9=9, /* was: struct: Set page table cache parameters */ 177 VM_PAGE_CLUSTER=10, /* int: set number of pages to swap together */ 178 VM_DIRTY_BACKGROUND=11, /* dirty_background_ratio */ 179 VM_DIRTY_RATIO=12, /* dirty_ratio */ 180 VM_DIRTY_WB_CS=13, /* dirty_writeback_centisecs */ 181 VM_DIRTY_EXPIRE_CS=14, /* dirty_expire_centisecs */ 182 VM_NR_PDFLUSH_THREADS=15, /* nr_pdflush_threads */ 183 VM_OVERCOMMIT_RATIO=16, /* percent of RAM to allow overcommit in */ 184 VM_PAGEBUF=17, /* struct: Control pagebuf parameters */ 185 VM_HUGETLB_PAGES=18, /* int: Number of available Huge Pages */ 186 VM_SWAPPINESS=19, /* Tendency to steal mapped memory */ 187 VM_LOWMEM_RESERVE_RATIO=20,/* reservation ratio for lower memory zones */ 188 VM_MIN_FREE_KBYTES=21, /* Minimum free kilobytes to maintain */ 189 VM_MAX_MAP_COUNT=22, /* int: Maximum number of mmaps/address-space */ 190 VM_LAPTOP_MODE=23, /* vm laptop mode */ 191 VM_BLOCK_DUMP=24, /* block dump mode */ 192 VM_HUGETLB_GROUP=25, /* permitted hugetlb group */ 193 VM_VFS_CACHE_PRESSURE=26, /* dcache/icache reclaim pressure */ 194 VM_LEGACY_VA_LAYOUT=27, /* legacy/compatibility virtual address space layout */ 195 VM_SWAP_TOKEN_TIMEOUT=28, /* default time for token time out */ 196 VM_DROP_PAGECACHE=29, /* int: nuke lots of pagecache */ 197 VM_PERCPU_PAGELIST_FRACTION=30,/* int: fraction of pages in each percpu_pagelist */ 198 VM_ZONE_RECLAIM_MODE=31, /* reclaim local zone memory before going off node */ 199 VM_MIN_UNMAPPED=32, /* Set min percent of unmapped pages */ 200 VM_PANIC_ON_OOM=33, /* panic at out-of-memory */ 201 VM_VDSO_ENABLED=34, /* map VDSO into new processes? */ 202 VM_MIN_SLAB=35, /* Percent pages ignored by zone reclaim */ 203 }; 204 205 206 /* CTL_NET names: */ 207 enum 208 { 209 NET_CORE=1, 210 NET_ETHER=2, 211 NET_802=3, 212 NET_UNIX=4, 213 NET_IPV4=5, 214 NET_IPX=6, 215 NET_ATALK=7, 216 NET_NETROM=8, 217 NET_AX25=9, 218 NET_BRIDGE=10, 219 NET_ROSE=11, 220 NET_IPV6=12, 221 NET_X25=13, 222 NET_TR=14, 223 NET_DECNET=15, 224 NET_ECONET=16, 225 NET_SCTP=17, 226 NET_LLC=18, 227 NET_NETFILTER=19, 228 NET_DCCP=20, 229 NET_IRDA=412, 230 }; 231 232 /* /proc/sys/kernel/random */ 233 enum 234 { 235 RANDOM_POOLSIZE=1, 236 RANDOM_ENTROPY_COUNT=2, 237 RANDOM_READ_THRESH=3, 238 RANDOM_WRITE_THRESH=4, 239 RANDOM_BOOT_ID=5, 240 RANDOM_UUID=6 241 }; 242 243 /* /proc/sys/kernel/pty */ 244 enum 245 { 246 PTY_MAX=1, 247 PTY_NR=2 248 }; 249 250 /* /proc/sys/bus/isa */ 251 enum 252 { 253 BUS_ISA_MEM_BASE=1, 254 BUS_ISA_PORT_BASE=2, 255 BUS_ISA_PORT_SHIFT=3 256 }; 257 258 /* /proc/sys/net/core */ 259 enum 260 { 261 NET_CORE_WMEM_MAX=1, 262 NET_CORE_RMEM_MAX=2, 263 NET_CORE_WMEM_DEFAULT=3, 264 NET_CORE_RMEM_DEFAULT=4, 265 /* was NET_CORE_DESTROY_DELAY */ 266 NET_CORE_MAX_BACKLOG=6, 267 NET_CORE_FASTROUTE=7, 268 NET_CORE_MSG_COST=8, 269 NET_CORE_MSG_BURST=9, 270 NET_CORE_OPTMEM_MAX=10, 271 NET_CORE_HOT_LIST_LENGTH=11, 272 NET_CORE_DIVERT_VERSION=12, 273 NET_CORE_NO_CONG_THRESH=13, 274 NET_CORE_NO_CONG=14, 275 NET_CORE_LO_CONG=15, 276 NET_CORE_MOD_CONG=16, 277 NET_CORE_DEV_WEIGHT=17, 278 NET_CORE_SOMAXCONN=18, 279 NET_CORE_BUDGET=19, 280 NET_CORE_AEVENT_ETIME=20, 281 NET_CORE_AEVENT_RSEQTH=21, 282 NET_CORE_WARNINGS=22, 283 }; 284 285 /* /proc/sys/net/ethernet */ 286 287 /* /proc/sys/net/802 */ 288 289 /* /proc/sys/net/unix */ 290 291 enum 292 { 293 NET_UNIX_DESTROY_DELAY=1, 294 NET_UNIX_DELETE_DELAY=2, 295 NET_UNIX_MAX_DGRAM_QLEN=3, 296 }; 297 298 /* /proc/sys/net/netfilter */ 299 enum 300 { 301 NET_NF_CONNTRACK_MAX=1, 302 NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT=2, 303 NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV=3, 304 NET_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED=4, 305 NET_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT=5, 306 NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT=6, 307 NET_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK=7, 308 NET_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT=8, 309 NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE=9, 310 NET_NF_CONNTRACK_UDP_TIMEOUT=10, 311 NET_NF_CONNTRACK_UDP_TIMEOUT_STREAM=11, 312 NET_NF_CONNTRACK_ICMP_TIMEOUT=12, 313 NET_NF_CONNTRACK_GENERIC_TIMEOUT=13, 314 NET_NF_CONNTRACK_BUCKETS=14, 315 NET_NF_CONNTRACK_LOG_INVALID=15, 316 NET_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS=16, 317 NET_NF_CONNTRACK_TCP_LOOSE=17, 318 NET_NF_CONNTRACK_TCP_BE_LIBERAL=18, 319 NET_NF_CONNTRACK_TCP_MAX_RETRANS=19, 320 NET_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED=20, 321 NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT=21, 322 NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED=22, 323 NET_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED=23, 324 NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT=24, 325 NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD=25, 326 NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT=26, 327 NET_NF_CONNTRACK_COUNT=27, 328 NET_NF_CONNTRACK_ICMPV6_TIMEOUT=28, 329 NET_NF_CONNTRACK_FRAG6_TIMEOUT=29, 330 NET_NF_CONNTRACK_FRAG6_LOW_THRESH=30, 331 NET_NF_CONNTRACK_FRAG6_HIGH_THRESH=31, 332 NET_NF_CONNTRACK_CHECKSUM=32, 333 }; 334 335 /* /proc/sys/net/ipv4 */ 336 enum 337 { 338 /* v2.0 compatibile variables */ 339 NET_IPV4_FORWARD=8, 340 NET_IPV4_DYNADDR=9, 341 342 NET_IPV4_CONF=16, 343 NET_IPV4_NEIGH=17, 344 NET_IPV4_ROUTE=18, 345 NET_IPV4_FIB_HASH=19, 346 NET_IPV4_NETFILTER=20, 347 348 NET_IPV4_TCP_TIMESTAMPS=33, 349 NET_IPV4_TCP_WINDOW_SCALING=34, 350 NET_IPV4_TCP_SACK=35, 351 NET_IPV4_TCP_RETRANS_COLLAPSE=36, 352 NET_IPV4_DEFAULT_TTL=37, 353 NET_IPV4_AUTOCONFIG=38, 354 NET_IPV4_NO_PMTU_DISC=39, 355 NET_IPV4_TCP_SYN_RETRIES=40, 356 NET_IPV4_IPFRAG_HIGH_THRESH=41, 357 NET_IPV4_IPFRAG_LOW_THRESH=42, 358 NET_IPV4_IPFRAG_TIME=43, 359 NET_IPV4_TCP_MAX_KA_PROBES=44, 360 NET_IPV4_TCP_KEEPALIVE_TIME=45, 361 NET_IPV4_TCP_KEEPALIVE_PROBES=46, 362 NET_IPV4_TCP_RETRIES1=47, 363 NET_IPV4_TCP_RETRIES2=48, 364 NET_IPV4_TCP_FIN_TIMEOUT=49, 365 NET_IPV4_IP_MASQ_DEBUG=50, 366 NET_TCP_SYNCOOKIES=51, 367 NET_TCP_STDURG=52, 368 NET_TCP_RFC1337=53, 369 NET_TCP_SYN_TAILDROP=54, 370 NET_TCP_MAX_SYN_BACKLOG=55, 371 NET_IPV4_LOCAL_PORT_RANGE=56, 372 NET_IPV4_ICMP_ECHO_IGNORE_ALL=57, 373 NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS=58, 374 NET_IPV4_ICMP_SOURCEQUENCH_RATE=59, 375 NET_IPV4_ICMP_DESTUNREACH_RATE=60, 376 NET_IPV4_ICMP_TIMEEXCEED_RATE=61, 377 NET_IPV4_ICMP_PARAMPROB_RATE=62, 378 NET_IPV4_ICMP_ECHOREPLY_RATE=63, 379 NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES=64, 380 NET_IPV4_IGMP_MAX_MEMBERSHIPS=65, 381 NET_TCP_TW_RECYCLE=66, 382 NET_IPV4_ALWAYS_DEFRAG=67, 383 NET_IPV4_TCP_KEEPALIVE_INTVL=68, 384 NET_IPV4_INET_PEER_THRESHOLD=69, 385 NET_IPV4_INET_PEER_MINTTL=70, 386 NET_IPV4_INET_PEER_MAXTTL=71, 387 NET_IPV4_INET_PEER_GC_MINTIME=72, 388 NET_IPV4_INET_PEER_GC_MAXTIME=73, 389 NET_TCP_ORPHAN_RETRIES=74, 390 NET_TCP_ABORT_ON_OVERFLOW=75, 391 NET_TCP_SYNACK_RETRIES=76, 392 NET_TCP_MAX_ORPHANS=77, 393 NET_TCP_MAX_TW_BUCKETS=78, 394 NET_TCP_FACK=79, 395 NET_TCP_REORDERING=80, 396 NET_TCP_ECN=81, 397 NET_TCP_DSACK=82, 398 NET_TCP_MEM=83, 399 NET_TCP_WMEM=84, 400 NET_TCP_RMEM=85, 401 NET_TCP_APP_WIN=86, 402 NET_TCP_ADV_WIN_SCALE=87, 403 NET_IPV4_NONLOCAL_BIND=88, 404 NET_IPV4_ICMP_RATELIMIT=89, 405 NET_IPV4_ICMP_RATEMASK=90, 406 NET_TCP_TW_REUSE=91, 407 NET_TCP_FRTO=92, 408 NET_TCP_LOW_LATENCY=93, 409 NET_IPV4_IPFRAG_SECRET_INTERVAL=94, 410 NET_IPV4_IGMP_MAX_MSF=96, 411 NET_TCP_NO_METRICS_SAVE=97, 412 NET_TCP_DEFAULT_WIN_SCALE=105, 413 NET_TCP_MODERATE_RCVBUF=106, 414 NET_TCP_TSO_WIN_DIVISOR=107, 415 NET_TCP_BIC_BETA=108, 416 NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR=109, 417 NET_TCP_CONG_CONTROL=110, 418 NET_TCP_ABC=111, 419 NET_IPV4_IPFRAG_MAX_DIST=112, 420 NET_TCP_MTU_PROBING=113, 421 NET_TCP_BASE_MSS=114, 422 NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS=115, 423 NET_TCP_DMA_COPYBREAK=116, 424 NET_TCP_SLOW_START_AFTER_IDLE=117, 425 NET_CIPSOV4_CACHE_ENABLE=118, 426 NET_CIPSOV4_CACHE_BUCKET_SIZE=119, 427 NET_CIPSOV4_RBM_OPTFMT=120, 428 NET_CIPSOV4_RBM_STRICTVALID=121, 429 NET_TCP_AVAIL_CONG_CONTROL=122, 430 NET_TCP_ALLOWED_CONG_CONTROL=123, 431 NET_TCP_MAX_SSTHRESH=124, 432 NET_TCP_FRTO_RESPONSE=125, 433 }; 434 435 enum { 436 NET_IPV4_ROUTE_FLUSH=1, 437 NET_IPV4_ROUTE_MIN_DELAY=2, /* obsolete since 2.6.25 */ 438 NET_IPV4_ROUTE_MAX_DELAY=3, /* obsolete since 2.6.25 */ 439 NET_IPV4_ROUTE_GC_THRESH=4, 440 NET_IPV4_ROUTE_MAX_SIZE=5, 441 NET_IPV4_ROUTE_GC_MIN_INTERVAL=6, 442 NET_IPV4_ROUTE_GC_TIMEOUT=7, 443 NET_IPV4_ROUTE_GC_INTERVAL=8, 444 NET_IPV4_ROUTE_REDIRECT_LOAD=9, 445 NET_IPV4_ROUTE_REDIRECT_NUMBER=10, 446 NET_IPV4_ROUTE_REDIRECT_SILENCE=11, 447 NET_IPV4_ROUTE_ERROR_COST=12, 448 NET_IPV4_ROUTE_ERROR_BURST=13, 449 NET_IPV4_ROUTE_GC_ELASTICITY=14, 450 NET_IPV4_ROUTE_MTU_EXPIRES=15, 451 NET_IPV4_ROUTE_MIN_PMTU=16, 452 NET_IPV4_ROUTE_MIN_ADVMSS=17, 453 NET_IPV4_ROUTE_SECRET_INTERVAL=18, 454 NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS=19, 455 }; 456 457 enum 458 { 459 NET_PROTO_CONF_ALL=-2, 460 NET_PROTO_CONF_DEFAULT=-3 461 462 /* And device ifindices ... */ 463 }; 464 465 enum 466 { 467 NET_IPV4_CONF_FORWARDING=1, 468 NET_IPV4_CONF_MC_FORWARDING=2, 469 NET_IPV4_CONF_PROXY_ARP=3, 470 NET_IPV4_CONF_ACCEPT_REDIRECTS=4, 471 NET_IPV4_CONF_SECURE_REDIRECTS=5, 472 NET_IPV4_CONF_SEND_REDIRECTS=6, 473 NET_IPV4_CONF_SHARED_MEDIA=7, 474 NET_IPV4_CONF_RP_FILTER=8, 475 NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE=9, 476 NET_IPV4_CONF_BOOTP_RELAY=10, 477 NET_IPV4_CONF_LOG_MARTIANS=11, 478 NET_IPV4_CONF_TAG=12, 479 NET_IPV4_CONF_ARPFILTER=13, 480 NET_IPV4_CONF_MEDIUM_ID=14, 481 NET_IPV4_CONF_NOXFRM=15, 482 NET_IPV4_CONF_NOPOLICY=16, 483 NET_IPV4_CONF_FORCE_IGMP_VERSION=17, 484 NET_IPV4_CONF_ARP_ANNOUNCE=18, 485 NET_IPV4_CONF_ARP_IGNORE=19, 486 NET_IPV4_CONF_PROMOTE_SECONDARIES=20, 487 NET_IPV4_CONF_ARP_ACCEPT=21, 488 NET_IPV4_CONF_ARP_NOTIFY=22, 489 NET_IPV4_CONF_SRC_VMARK=24, 490 __NET_IPV4_CONF_MAX 491 }; 492 493 /* /proc/sys/net/ipv4/netfilter */ 494 enum 495 { 496 NET_IPV4_NF_CONNTRACK_MAX=1, 497 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT=2, 498 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV=3, 499 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED=4, 500 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT=5, 501 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT=6, 502 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK=7, 503 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT=8, 504 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE=9, 505 NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT=10, 506 NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM=11, 507 NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT=12, 508 NET_IPV4_NF_CONNTRACK_GENERIC_TIMEOUT=13, 509 NET_IPV4_NF_CONNTRACK_BUCKETS=14, 510 NET_IPV4_NF_CONNTRACK_LOG_INVALID=15, 511 NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS=16, 512 NET_IPV4_NF_CONNTRACK_TCP_LOOSE=17, 513 NET_IPV4_NF_CONNTRACK_TCP_BE_LIBERAL=18, 514 NET_IPV4_NF_CONNTRACK_TCP_MAX_RETRANS=19, 515 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED=20, 516 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT=21, 517 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED=22, 518 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED=23, 519 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT=24, 520 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD=25, 521 NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT=26, 522 NET_IPV4_NF_CONNTRACK_COUNT=27, 523 NET_IPV4_NF_CONNTRACK_CHECKSUM=28, 524 }; 525 526 /* /proc/sys/net/ipv6 */ 527 enum { 528 NET_IPV6_CONF=16, 529 NET_IPV6_NEIGH=17, 530 NET_IPV6_ROUTE=18, 531 NET_IPV6_ICMP=19, 532 NET_IPV6_BINDV6ONLY=20, 533 NET_IPV6_IP6FRAG_HIGH_THRESH=21, 534 NET_IPV6_IP6FRAG_LOW_THRESH=22, 535 NET_IPV6_IP6FRAG_TIME=23, 536 NET_IPV6_IP6FRAG_SECRET_INTERVAL=24, 537 NET_IPV6_MLD_MAX_MSF=25, 538 }; 539 540 enum { 541 NET_IPV6_ROUTE_FLUSH=1, 542 NET_IPV6_ROUTE_GC_THRESH=2, 543 NET_IPV6_ROUTE_MAX_SIZE=3, 544 NET_IPV6_ROUTE_GC_MIN_INTERVAL=4, 545 NET_IPV6_ROUTE_GC_TIMEOUT=5, 546 NET_IPV6_ROUTE_GC_INTERVAL=6, 547 NET_IPV6_ROUTE_GC_ELASTICITY=7, 548 NET_IPV6_ROUTE_MTU_EXPIRES=8, 549 NET_IPV6_ROUTE_MIN_ADVMSS=9, 550 NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS=10 551 }; 552 553 enum { 554 NET_IPV6_FORWARDING=1, 555 NET_IPV6_HOP_LIMIT=2, 556 NET_IPV6_MTU=3, 557 NET_IPV6_ACCEPT_RA=4, 558 NET_IPV6_ACCEPT_REDIRECTS=5, 559 NET_IPV6_AUTOCONF=6, 560 NET_IPV6_DAD_TRANSMITS=7, 561 NET_IPV6_RTR_SOLICITS=8, 562 NET_IPV6_RTR_SOLICIT_INTERVAL=9, 563 NET_IPV6_RTR_SOLICIT_DELAY=10, 564 NET_IPV6_USE_TEMPADDR=11, 565 NET_IPV6_TEMP_VALID_LFT=12, 566 NET_IPV6_TEMP_PREFERED_LFT=13, 567 NET_IPV6_REGEN_MAX_RETRY=14, 568 NET_IPV6_MAX_DESYNC_FACTOR=15, 569 NET_IPV6_MAX_ADDRESSES=16, 570 NET_IPV6_FORCE_MLD_VERSION=17, 571 NET_IPV6_ACCEPT_RA_DEFRTR=18, 572 NET_IPV6_ACCEPT_RA_PINFO=19, 573 NET_IPV6_ACCEPT_RA_RTR_PREF=20, 574 NET_IPV6_RTR_PROBE_INTERVAL=21, 575 NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN=22, 576 NET_IPV6_PROXY_NDP=23, 577 NET_IPV6_ACCEPT_SOURCE_ROUTE=25, 578 __NET_IPV6_MAX 579 }; 580 581 /* /proc/sys/net/ipv6/icmp */ 582 enum { 583 NET_IPV6_ICMP_RATELIMIT=1 584 }; 585 586 /* /proc/sys/net/<protocol>/neigh/<dev> */ 587 enum { 588 NET_NEIGH_MCAST_SOLICIT=1, 589 NET_NEIGH_UCAST_SOLICIT=2, 590 NET_NEIGH_APP_SOLICIT=3, 591 NET_NEIGH_RETRANS_TIME=4, 592 NET_NEIGH_REACHABLE_TIME=5, 593 NET_NEIGH_DELAY_PROBE_TIME=6, 594 NET_NEIGH_GC_STALE_TIME=7, 595 NET_NEIGH_UNRES_QLEN=8, 596 NET_NEIGH_PROXY_QLEN=9, 597 NET_NEIGH_ANYCAST_DELAY=10, 598 NET_NEIGH_PROXY_DELAY=11, 599 NET_NEIGH_LOCKTIME=12, 600 NET_NEIGH_GC_INTERVAL=13, 601 NET_NEIGH_GC_THRESH1=14, 602 NET_NEIGH_GC_THRESH2=15, 603 NET_NEIGH_GC_THRESH3=16, 604 NET_NEIGH_RETRANS_TIME_MS=17, 605 NET_NEIGH_REACHABLE_TIME_MS=18, 606 __NET_NEIGH_MAX 607 }; 608 609 /* /proc/sys/net/dccp */ 610 enum { 611 NET_DCCP_DEFAULT=1, 612 }; 613 614 /* /proc/sys/net/ipx */ 615 enum { 616 NET_IPX_PPROP_BROADCASTING=1, 617 NET_IPX_FORWARDING=2 618 }; 619 620 /* /proc/sys/net/llc */ 621 enum { 622 NET_LLC2=1, 623 NET_LLC_STATION=2, 624 }; 625 626 /* /proc/sys/net/llc/llc2 */ 627 enum { 628 NET_LLC2_TIMEOUT=1, 629 }; 630 631 /* /proc/sys/net/llc/station */ 632 enum { 633 NET_LLC_STATION_ACK_TIMEOUT=1, 634 }; 635 636 /* /proc/sys/net/llc/llc2/timeout */ 637 enum { 638 NET_LLC2_ACK_TIMEOUT=1, 639 NET_LLC2_P_TIMEOUT=2, 640 NET_LLC2_REJ_TIMEOUT=3, 641 NET_LLC2_BUSY_TIMEOUT=4, 642 }; 643 644 /* /proc/sys/net/appletalk */ 645 enum { 646 NET_ATALK_AARP_EXPIRY_TIME=1, 647 NET_ATALK_AARP_TICK_TIME=2, 648 NET_ATALK_AARP_RETRANSMIT_LIMIT=3, 649 NET_ATALK_AARP_RESOLVE_TIME=4 650 }; 651 652 653 /* /proc/sys/net/netrom */ 654 enum { 655 NET_NETROM_DEFAULT_PATH_QUALITY=1, 656 NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER=2, 657 NET_NETROM_NETWORK_TTL_INITIALISER=3, 658 NET_NETROM_TRANSPORT_TIMEOUT=4, 659 NET_NETROM_TRANSPORT_MAXIMUM_TRIES=5, 660 NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY=6, 661 NET_NETROM_TRANSPORT_BUSY_DELAY=7, 662 NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE=8, 663 NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT=9, 664 NET_NETROM_ROUTING_CONTROL=10, 665 NET_NETROM_LINK_FAILS_COUNT=11, 666 NET_NETROM_RESET=12 667 }; 668 669 /* /proc/sys/net/ax25 */ 670 enum { 671 NET_AX25_IP_DEFAULT_MODE=1, 672 NET_AX25_DEFAULT_MODE=2, 673 NET_AX25_BACKOFF_TYPE=3, 674 NET_AX25_CONNECT_MODE=4, 675 NET_AX25_STANDARD_WINDOW=5, 676 NET_AX25_EXTENDED_WINDOW=6, 677 NET_AX25_T1_TIMEOUT=7, 678 NET_AX25_T2_TIMEOUT=8, 679 NET_AX25_T3_TIMEOUT=9, 680 NET_AX25_IDLE_TIMEOUT=10, 681 NET_AX25_N2=11, 682 NET_AX25_PACLEN=12, 683 NET_AX25_PROTOCOL=13, 684 NET_AX25_DAMA_SLAVE_TIMEOUT=14 685 }; 686 687 /* /proc/sys/net/rose */ 688 enum { 689 NET_ROSE_RESTART_REQUEST_TIMEOUT=1, 690 NET_ROSE_CALL_REQUEST_TIMEOUT=2, 691 NET_ROSE_RESET_REQUEST_TIMEOUT=3, 692 NET_ROSE_CLEAR_REQUEST_TIMEOUT=4, 693 NET_ROSE_ACK_HOLD_BACK_TIMEOUT=5, 694 NET_ROSE_ROUTING_CONTROL=6, 695 NET_ROSE_LINK_FAIL_TIMEOUT=7, 696 NET_ROSE_MAX_VCS=8, 697 NET_ROSE_WINDOW_SIZE=9, 698 NET_ROSE_NO_ACTIVITY_TIMEOUT=10 699 }; 700 701 /* /proc/sys/net/x25 */ 702 enum { 703 NET_X25_RESTART_REQUEST_TIMEOUT=1, 704 NET_X25_CALL_REQUEST_TIMEOUT=2, 705 NET_X25_RESET_REQUEST_TIMEOUT=3, 706 NET_X25_CLEAR_REQUEST_TIMEOUT=4, 707 NET_X25_ACK_HOLD_BACK_TIMEOUT=5, 708 NET_X25_FORWARD=6 709 }; 710 711 /* /proc/sys/net/token-ring */ 712 enum 713 { 714 NET_TR_RIF_TIMEOUT=1 715 }; 716 717 /* /proc/sys/net/decnet/ */ 718 enum { 719 NET_DECNET_NODE_TYPE = 1, 720 NET_DECNET_NODE_ADDRESS = 2, 721 NET_DECNET_NODE_NAME = 3, 722 NET_DECNET_DEFAULT_DEVICE = 4, 723 NET_DECNET_TIME_WAIT = 5, 724 NET_DECNET_DN_COUNT = 6, 725 NET_DECNET_DI_COUNT = 7, 726 NET_DECNET_DR_COUNT = 8, 727 NET_DECNET_DST_GC_INTERVAL = 9, 728 NET_DECNET_CONF = 10, 729 NET_DECNET_NO_FC_MAX_CWND = 11, 730 NET_DECNET_MEM = 12, 731 NET_DECNET_RMEM = 13, 732 NET_DECNET_WMEM = 14, 733 NET_DECNET_DEBUG_LEVEL = 255 734 }; 735 736 /* /proc/sys/net/decnet/conf/<dev> */ 737 enum { 738 NET_DECNET_CONF_LOOPBACK = -2, 739 NET_DECNET_CONF_DDCMP = -3, 740 NET_DECNET_CONF_PPP = -4, 741 NET_DECNET_CONF_X25 = -5, 742 NET_DECNET_CONF_GRE = -6, 743 NET_DECNET_CONF_ETHER = -7 744 745 /* ... and ifindex of devices */ 746 }; 747 748 /* /proc/sys/net/decnet/conf/<dev>/ */ 749 enum { 750 NET_DECNET_CONF_DEV_PRIORITY = 1, 751 NET_DECNET_CONF_DEV_T1 = 2, 752 NET_DECNET_CONF_DEV_T2 = 3, 753 NET_DECNET_CONF_DEV_T3 = 4, 754 NET_DECNET_CONF_DEV_FORWARDING = 5, 755 NET_DECNET_CONF_DEV_BLKSIZE = 6, 756 NET_DECNET_CONF_DEV_STATE = 7 757 }; 758 759 /* /proc/sys/net/sctp */ 760 enum { 761 NET_SCTP_RTO_INITIAL = 1, 762 NET_SCTP_RTO_MIN = 2, 763 NET_SCTP_RTO_MAX = 3, 764 NET_SCTP_RTO_ALPHA = 4, 765 NET_SCTP_RTO_BETA = 5, 766 NET_SCTP_VALID_COOKIE_LIFE = 6, 767 NET_SCTP_ASSOCIATION_MAX_RETRANS = 7, 768 NET_SCTP_PATH_MAX_RETRANS = 8, 769 NET_SCTP_MAX_INIT_RETRANSMITS = 9, 770 NET_SCTP_HB_INTERVAL = 10, 771 NET_SCTP_PRESERVE_ENABLE = 11, 772 NET_SCTP_MAX_BURST = 12, 773 NET_SCTP_ADDIP_ENABLE = 13, 774 NET_SCTP_PRSCTP_ENABLE = 14, 775 NET_SCTP_SNDBUF_POLICY = 15, 776 NET_SCTP_SACK_TIMEOUT = 16, 777 NET_SCTP_RCVBUF_POLICY = 17, 778 }; 779 780 /* /proc/sys/net/bridge */ 781 enum { 782 NET_BRIDGE_NF_CALL_ARPTABLES = 1, 783 NET_BRIDGE_NF_CALL_IPTABLES = 2, 784 NET_BRIDGE_NF_CALL_IP6TABLES = 3, 785 NET_BRIDGE_NF_FILTER_VLAN_TAGGED = 4, 786 NET_BRIDGE_NF_FILTER_PPPOE_TAGGED = 5, 787 }; 788 789 /* proc/sys/net/irda */ 790 enum { 791 NET_IRDA_DISCOVERY=1, 792 NET_IRDA_DEVNAME=2, 793 NET_IRDA_DEBUG=3, 794 NET_IRDA_FAST_POLL=4, 795 NET_IRDA_DISCOVERY_SLOTS=5, 796 NET_IRDA_DISCOVERY_TIMEOUT=6, 797 NET_IRDA_SLOT_TIMEOUT=7, 798 NET_IRDA_MAX_BAUD_RATE=8, 799 NET_IRDA_MIN_TX_TURN_TIME=9, 800 NET_IRDA_MAX_TX_DATA_SIZE=10, 801 NET_IRDA_MAX_TX_WINDOW=11, 802 NET_IRDA_MAX_NOREPLY_TIME=12, 803 NET_IRDA_WARN_NOREPLY_TIME=13, 804 NET_IRDA_LAP_KEEPALIVE_TIME=14, 805 }; 806 807 808 /* CTL_FS names: */ 809 enum 810 { 811 FS_NRINODE=1, /* int:current number of allocated inodes */ 812 FS_STATINODE=2, 813 FS_MAXINODE=3, /* int:maximum number of inodes that can be allocated */ 814 FS_NRDQUOT=4, /* int:current number of allocated dquots */ 815 FS_MAXDQUOT=5, /* int:maximum number of dquots that can be allocated */ 816 FS_NRFILE=6, /* int:current number of allocated filedescriptors */ 817 FS_MAXFILE=7, /* int:maximum number of filedescriptors that can be allocated */ 818 FS_DENTRY=8, 819 FS_NRSUPER=9, /* int:current number of allocated super_blocks */ 820 FS_MAXSUPER=10, /* int:maximum number of super_blocks that can be allocated */ 821 FS_OVERFLOWUID=11, /* int: overflow UID */ 822 FS_OVERFLOWGID=12, /* int: overflow GID */ 823 FS_LEASES=13, /* int: leases enabled */ 824 FS_DIR_NOTIFY=14, /* int: directory notification enabled */ 825 FS_LEASE_TIME=15, /* int: maximum time to wait for a lease break */ 826 FS_DQSTATS=16, /* disc quota usage statistics and control */ 827 FS_XFS=17, /* struct: control xfs parameters */ 828 FS_AIO_NR=18, /* current system-wide number of aio requests */ 829 FS_AIO_MAX_NR=19, /* system-wide maximum number of aio requests */ 830 FS_INOTIFY=20, /* inotify submenu */ 831 FS_OCFS2=988, /* ocfs2 */ 832 }; 833 834 /* /proc/sys/fs/quota/ */ 835 enum { 836 FS_DQ_LOOKUPS = 1, 837 FS_DQ_DROPS = 2, 838 FS_DQ_READS = 3, 839 FS_DQ_WRITES = 4, 840 FS_DQ_CACHE_HITS = 5, 841 FS_DQ_ALLOCATED = 6, 842 FS_DQ_FREE = 7, 843 FS_DQ_SYNCS = 8, 844 FS_DQ_WARNINGS = 9, 845 }; 846 847 /* CTL_DEBUG names: */ 848 849 /* CTL_DEV names: */ 850 enum { 851 DEV_CDROM=1, 852 DEV_HWMON=2, 853 DEV_PARPORT=3, 854 DEV_RAID=4, 855 DEV_MAC_HID=5, 856 DEV_SCSI=6, 857 DEV_IPMI=7, 858 }; 859 860 /* /proc/sys/dev/cdrom */ 861 enum { 862 DEV_CDROM_INFO=1, 863 DEV_CDROM_AUTOCLOSE=2, 864 DEV_CDROM_AUTOEJECT=3, 865 DEV_CDROM_DEBUG=4, 866 DEV_CDROM_LOCK=5, 867 DEV_CDROM_CHECK_MEDIA=6 868 }; 869 870 /* /proc/sys/dev/parport */ 871 enum { 872 DEV_PARPORT_DEFAULT=-3 873 }; 874 875 /* /proc/sys/dev/raid */ 876 enum { 877 DEV_RAID_SPEED_LIMIT_MIN=1, 878 DEV_RAID_SPEED_LIMIT_MAX=2 879 }; 880 881 /* /proc/sys/dev/parport/default */ 882 enum { 883 DEV_PARPORT_DEFAULT_TIMESLICE=1, 884 DEV_PARPORT_DEFAULT_SPINTIME=2 885 }; 886 887 /* /proc/sys/dev/parport/parport n */ 888 enum { 889 DEV_PARPORT_SPINTIME=1, 890 DEV_PARPORT_BASE_ADDR=2, 891 DEV_PARPORT_IRQ=3, 892 DEV_PARPORT_DMA=4, 893 DEV_PARPORT_MODES=5, 894 DEV_PARPORT_DEVICES=6, 895 DEV_PARPORT_AUTOPROBE=16 896 }; 897 898 /* /proc/sys/dev/parport/parport n/devices/ */ 899 enum { 900 DEV_PARPORT_DEVICES_ACTIVE=-3, 901 }; 902 903 /* /proc/sys/dev/parport/parport n/devices/device n */ 904 enum { 905 DEV_PARPORT_DEVICE_TIMESLICE=1, 906 }; 907 908 /* /proc/sys/dev/mac_hid */ 909 enum { 910 DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES=1, 911 DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES=2, 912 DEV_MAC_HID_MOUSE_BUTTON_EMULATION=3, 913 DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE=4, 914 DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE=5, 915 DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES=6 916 }; 917 918 /* /proc/sys/dev/scsi */ 919 enum { 920 DEV_SCSI_LOGGING_LEVEL=1, 921 }; 922 923 /* /proc/sys/dev/ipmi */ 924 enum { 925 DEV_IPMI_POWEROFF_POWERCYCLE=1, 926 }; 927 928 /* /proc/sys/abi */ 929 enum 930 { 931 ABI_DEFHANDLER_COFF=1, /* default handler for coff binaries */ 932 ABI_DEFHANDLER_ELF=2, /* default handler for ELF binaries */ 933 ABI_DEFHANDLER_LCALL7=3,/* default handler for procs using lcall7 */ 934 ABI_DEFHANDLER_LIBCSO=4,/* default handler for an libc.so ELF interp */ 935 ABI_TRACE=5, /* tracing flags */ 936 ABI_FAKE_UTSNAME=6, /* fake target utsname information */ 937 }; 938 939 940 #endif /* _LINUX_SYSCTL_H */ 941