Dr Andrew Scott
G7VAV
Senior Lecturer
School of Computing
and Communications
D35 InfoLab21
Lancaster University
Lancaster, LA1 4WA
United Kingdom
School of Computing
and Communications
D35 InfoLab21
Lancaster University
Lancaster, LA1 4WA
United Kingdom
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sysctl.h
001: /* 002: * sysctl.h: General linux system control interface 003: * 004: * Begun 24 March 1995, Stephen Tweedie 005: * 006: **************************************************************** 007: **************************************************************** 008: ** 009: ** WARNING: 010: ** The values in this file are exported to user space via 011: ** the sysctl() binary interface. Do *NOT* change the 012: ** numbering of any existing values here, and do not change 013: ** any numbers within any one set of values. If you have to 014: ** redefine an existing interface, use a new number for it. 015: ** The kernel will then return -ENOTDIR to any application using 016: ** the old binary interface. 017: ** 018: **************************************************************** 019: **************************************************************** 020: */ 021: 022: #ifndef _LINUX_SYSCTL_H 023: #define _LINUX_SYSCTL_H 024: 025: #include <linux/kernel.h> 026: #include <linux/types.h> 027: 028: 029: struct completion; 030: 031: #define CTL_MAXNAME 10 /* how many path components do we allow in a 032: call to sysctl? In other words, what is 033: the largest acceptable value for the nlen 034: member of a struct __sysctl_args to have? */ 035: 036: struct __sysctl_args { 037: int *name; 038: int nlen; 039: void *oldval; 040: size_t *oldlenp; 041: void *newval; 042: size_t newlen; 043: unsigned long __unused[4]; 044: }; 045: 046: /* Define sysctl names first */ 047: 048: /* Top-level names: */ 049: 050: enum 051: { 052: CTL_KERN=1, /* General kernel info and control */ 053: CTL_VM=2, /* VM management */ 054: CTL_NET=3, /* Networking */ 055: CTL_PROC=4, /* removal breaks strace(1) compilation */ 056: CTL_FS=5, /* Filesystems */ 057: CTL_DEBUG=6, /* Debugging */ 058: CTL_DEV=7, /* Devices */ 059: CTL_BUS=8, /* Busses */ 060: CTL_ABI=9, /* Binary emulation */ 061: CTL_CPU=10, /* CPU stuff (speed scaling, etc) */ 062: CTL_ARLAN=254, /* arlan wireless driver */ 063: CTL_S390DBF=5677, /* s390 debug */ 064: CTL_SUNRPC=7249, /* sunrpc debug */ 065: CTL_PM=9899, /* frv power management */ 066: CTL_FRV=9898, /* frv specific sysctls */ 067: }; 068: 069: /* CTL_BUS names: */ 070: enum 071: { 072: CTL_BUS_ISA=1 /* ISA */ 073: }; 074: 075: /* /proc/sys/fs/inotify/ */ 076: enum 077: { 078: INOTIFY_MAX_USER_INSTANCES=1, /* max instances per user */ 079: INOTIFY_MAX_USER_WATCHES=2, /* max watches per user */ 080: INOTIFY_MAX_QUEUED_EVENTS=3 /* max queued events per instance */ 081: }; 082: 083: /* CTL_KERN names: */ 084: enum 085: { 086: KERN_OSTYPE=1, /* string: system version */ 087: KERN_OSRELEASE=2, /* string: system release */ 088: KERN_OSREV=3, /* int: system revision */ 089: KERN_VERSION=4, /* string: compile time info */ 090: KERN_SECUREMASK=5, /* struct: maximum rights mask */ 091: KERN_PROF=6, /* table: profiling information */ 092: KERN_NODENAME=7, /* string: hostname */ 093: KERN_DOMAINNAME=8, /* string: domainname */ 094: 095: KERN_PANIC=15, /* int: panic timeout */ 096: KERN_REALROOTDEV=16, /* real root device to mount after initrd */ 097: 098: KERN_SPARC_REBOOT=21, /* reboot command on Sparc */ 099: KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */ 100: KERN_PRINTK=23, /* struct: control printk logging parameters */ 101: KERN_NAMETRANS=24, /* Name translation */ 102: KERN_PPC_HTABRECLAIM=25, /* turn htab reclaimation on/off on PPC */ 103: KERN_PPC_ZEROPAGED=26, /* turn idle page zeroing on/off on PPC */ 104: KERN_PPC_POWERSAVE_NAP=27, /* use nap mode for power saving */ 105: KERN_MODPROBE=28, /* string: modprobe path */ 106: KERN_SG_BIG_BUFF=29, /* int: sg driver reserved buffer size */ 107: KERN_ACCT=30, /* BSD process accounting parameters */ 108: KERN_PPC_L2CR=31, /* l2cr register on PPC */ 109: 110: KERN_RTSIGNR=32, /* Number of rt sigs queued */ 111: KERN_RTSIGMAX=33, /* Max queuable */ 112: 113: KERN_SHMMAX=34, /* long: Maximum shared memory segment */ 114: KERN_MSGMAX=35, /* int: Maximum size of a messege */ 115: KERN_MSGMNB=36, /* int: Maximum message queue size */ 116: KERN_MSGPOOL=37, /* int: Maximum system message pool size */ 117: KERN_SYSRQ=38, /* int: Sysreq enable */ 118: KERN_MAX_THREADS=39, /* int: Maximum nr of threads in the system */ 119: KERN_RANDOM=40, /* Random driver */ 120: KERN_SHMALL=41, /* int: Maximum size of shared memory */ 121: KERN_MSGMNI=42, /* int: msg queue identifiers */ 122: KERN_SEM=43, /* struct: sysv semaphore limits */ 123: KERN_SPARC_STOP_A=44, /* int: Sparc Stop-A enable */ 124: KERN_SHMMNI=45, /* int: shm array identifiers */ 125: KERN_OVERFLOWUID=46, /* int: overflow UID */ 126: KERN_OVERFLOWGID=47, /* int: overflow GID */ 127: KERN_SHMPATH=48, /* string: path to shm fs */ 128: KERN_HOTPLUG=49, /* string: path to uevent helper (deprecated) */ 129: KERN_IEEE_EMULATION_WARNINGS=50, /* int: unimplemented ieee instructions */ 130: KERN_S390_USER_DEBUG_LOGGING=51, /* int: dumps of user faults */ 131: KERN_CORE_USES_PID=52, /* int: use core or core.%pid */ 132: KERN_TAINTED=53, /* int: various kernel tainted flags */ 133: KERN_CADPID=54, /* int: PID of the process to notify on CAD */ 134: KERN_PIDMAX=55, /* int: PID # limit */ 135: KERN_CORE_PATTERN=56, /* string: pattern for core-file names */ 136: KERN_PANIC_ON_OOPS=57, /* int: whether we will panic on an oops */ 137: KERN_HPPA_PWRSW=58, /* int: hppa soft-power enable */ 138: KERN_HPPA_UNALIGNED=59, /* int: hppa unaligned-trap enable */ 139: KERN_PRINTK_RATELIMIT=60, /* int: tune printk ratelimiting */ 140: KERN_PRINTK_RATELIMIT_BURST=61, /* int: tune printk ratelimiting */ 141: KERN_PTY=62, /* dir: pty driver */ 142: KERN_NGROUPS_MAX=63, /* int: NGROUPS_MAX */ 143: KERN_SPARC_SCONS_PWROFF=64, /* int: serial console power-off halt */ 144: KERN_HZ_TIMER=65, /* int: hz timer on or off */ 145: KERN_UNKNOWN_NMI_PANIC=66, /* int: unknown nmi panic flag */ 146: KERN_BOOTLOADER_TYPE=67, /* int: boot loader type */ 147: KERN_RANDOMIZE=68, /* int: randomize virtual address space */ 148: KERN_SETUID_DUMPABLE=69, /* int: behaviour of dumps for setuid core */ 149: KERN_SPIN_RETRY=70, /* int: number of spinlock retries */ 150: KERN_ACPI_VIDEO_FLAGS=71, /* int: flags for setting up video after ACPI sleep */ 151: KERN_IA64_UNALIGNED=72, /* int: ia64 unaligned userland trap enable */ 152: KERN_COMPAT_LOG=73, /* int: print compat layer messages */ 153: KERN_MAX_LOCK_DEPTH=74, /* int: rtmutex's maximum lock depth */ 154: KERN_NMI_WATCHDOG=75, /* int: enable/disable nmi watchdog */ 155: KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */ 156: }; 157: 158: 159: 160: /* CTL_VM names: */ 161: enum 162: { 163: VM_UNUSED1=1, /* was: struct: Set vm swapping control */ 164: VM_UNUSED2=2, /* was; int: Linear or sqrt() swapout for hogs */ 165: VM_UNUSED3=3, /* was: struct: Set free page thresholds */ 166: VM_UNUSED4=4, /* Spare */ 167: VM_OVERCOMMIT_MEMORY=5, /* Turn off the virtual memory safety limit */ 168: VM_UNUSED5=6, /* was: struct: Set buffer memory thresholds */ 169: VM_UNUSED7=7, /* was: struct: Set cache memory thresholds */ 170: VM_UNUSED8=8, /* was: struct: Control kswapd behaviour */ 171: VM_UNUSED9=9, /* was: struct: Set page table cache parameters */ 172: VM_PAGE_CLUSTER=10, /* int: set number of pages to swap together */ 173: VM_DIRTY_BACKGROUND=11, /* dirty_background_ratio */ 174: VM_DIRTY_RATIO=12, /* dirty_ratio */ 175: VM_DIRTY_WB_CS=13, /* dirty_writeback_centisecs */ 176: VM_DIRTY_EXPIRE_CS=14, /* dirty_expire_centisecs */ 177: VM_NR_PDFLUSH_THREADS=15, /* nr_pdflush_threads */ 178: VM_OVERCOMMIT_RATIO=16, /* percent of RAM to allow overcommit in */ 179: VM_PAGEBUF=17, /* struct: Control pagebuf parameters */ 180: VM_HUGETLB_PAGES=18, /* int: Number of available Huge Pages */ 181: VM_SWAPPINESS=19, /* Tendency to steal mapped memory */ 182: VM_LOWMEM_RESERVE_RATIO=20,/* reservation ratio for lower memory zones */ 183: VM_MIN_FREE_KBYTES=21, /* Minimum free kilobytes to maintain */ 184: VM_MAX_MAP_COUNT=22, /* int: Maximum number of mmaps/address-space */ 185: VM_LAPTOP_MODE=23, /* vm laptop mode */ 186: VM_BLOCK_DUMP=24, /* block dump mode */ 187: VM_HUGETLB_GROUP=25, /* permitted hugetlb group */ 188: VM_VFS_CACHE_PRESSURE=26, /* dcache/icache reclaim pressure */ 189: VM_LEGACY_VA_LAYOUT=27, /* legacy/compatibility virtual address space layout */ 190: VM_SWAP_TOKEN_TIMEOUT=28, /* default time for token time out */ 191: VM_DROP_PAGECACHE=29, /* int: nuke lots of pagecache */ 192: VM_PERCPU_PAGELIST_FRACTION=30,/* int: fraction of pages in each percpu_pagelist */ 193: VM_ZONE_RECLAIM_MODE=31, /* reclaim local zone memory before going off node */ 194: VM_MIN_UNMAPPED=32, /* Set min percent of unmapped pages */ 195: VM_PANIC_ON_OOM=33, /* panic at out-of-memory */ 196: VM_VDSO_ENABLED=34, /* map VDSO into new processes? */ 197: VM_MIN_SLAB=35, /* Percent pages ignored by zone reclaim */ 198: }; 199: 200: 201: /* CTL_NET names: */ 202: enum 203: { 204: NET_CORE=1, 205: NET_ETHER=2, 206: NET_802=3, 207: NET_UNIX=4, 208: NET_IPV4=5, 209: NET_IPX=6, 210: NET_ATALK=7, 211: NET_NETROM=8, 212: NET_AX25=9, 213: NET_BRIDGE=10, 214: NET_ROSE=11, 215: NET_IPV6=12, 216: NET_X25=13, 217: NET_TR=14, 218: NET_DECNET=15, 219: NET_ECONET=16, 220: NET_SCTP=17, 221: NET_LLC=18, 222: NET_NETFILTER=19, 223: NET_DCCP=20, 224: NET_IRDA=412, 225: }; 226: 227: /* /proc/sys/kernel/random */ 228: enum 229: { 230: RANDOM_POOLSIZE=1, 231: RANDOM_ENTROPY_COUNT=2, 232: RANDOM_READ_THRESH=3, 233: RANDOM_WRITE_THRESH=4, 234: RANDOM_BOOT_ID=5, 235: RANDOM_UUID=6 236: }; 237: 238: /* /proc/sys/kernel/pty */ 239: enum 240: { 241: PTY_MAX=1, 242: PTY_NR=2 243: }; 244: 245: /* /proc/sys/bus/isa */ 246: enum 247: { 248: BUS_ISA_MEM_BASE=1, 249: BUS_ISA_PORT_BASE=2, 250: BUS_ISA_PORT_SHIFT=3 251: }; 252: 253: /* /proc/sys/net/core */ 254: enum 255: { 256: NET_CORE_WMEM_MAX=1, 257: NET_CORE_RMEM_MAX=2, 258: NET_CORE_WMEM_DEFAULT=3, 259: NET_CORE_RMEM_DEFAULT=4, 260: /* was NET_CORE_DESTROY_DELAY */ 261: NET_CORE_MAX_BACKLOG=6, 262: NET_CORE_FASTROUTE=7, 263: NET_CORE_MSG_COST=8, 264: NET_CORE_MSG_BURST=9, 265: NET_CORE_OPTMEM_MAX=10, 266: NET_CORE_HOT_LIST_LENGTH=11, 267: NET_CORE_DIVERT_VERSION=12, 268: NET_CORE_NO_CONG_THRESH=13, 269: NET_CORE_NO_CONG=14, 270: NET_CORE_LO_CONG=15, 271: NET_CORE_MOD_CONG=16, 272: NET_CORE_DEV_WEIGHT=17, 273: NET_CORE_SOMAXCONN=18, 274: NET_CORE_BUDGET=19, 275: NET_CORE_AEVENT_ETIME=20, 276: NET_CORE_AEVENT_RSEQTH=21, 277: NET_CORE_WARNINGS=22, 278: }; 279: 280: /* /proc/sys/net/ethernet */ 281: 282: /* /proc/sys/net/802 */ 283: 284: /* /proc/sys/net/unix */ 285: 286: enum 287: { 288: NET_UNIX_DESTROY_DELAY=1, 289: NET_UNIX_DELETE_DELAY=2, 290: NET_UNIX_MAX_DGRAM_QLEN=3, 291: }; 292: 293: /* /proc/sys/net/netfilter */ 294: enum 295: { 296: NET_NF_CONNTRACK_MAX=1, 297: NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT=2, 298: NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV=3, 299: NET_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED=4, 300: NET_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT=5, 301: NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT=6, 302: NET_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK=7, 303: NET_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT=8, 304: NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE=9, 305: NET_NF_CONNTRACK_UDP_TIMEOUT=10, 306: NET_NF_CONNTRACK_UDP_TIMEOUT_STREAM=11, 307: NET_NF_CONNTRACK_ICMP_TIMEOUT=12, 308: NET_NF_CONNTRACK_GENERIC_TIMEOUT=13, 309: NET_NF_CONNTRACK_BUCKETS=14, 310: NET_NF_CONNTRACK_LOG_INVALID=15, 311: NET_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS=16, 312: NET_NF_CONNTRACK_TCP_LOOSE=17, 313: NET_NF_CONNTRACK_TCP_BE_LIBERAL=18, 314: NET_NF_CONNTRACK_TCP_MAX_RETRANS=19, 315: NET_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED=20, 316: NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT=21, 317: NET_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED=22, 318: NET_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED=23, 319: NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT=24, 320: NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD=25, 321: NET_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT=26, 322: NET_NF_CONNTRACK_COUNT=27, 323: NET_NF_CONNTRACK_ICMPV6_TIMEOUT=28, 324: NET_NF_CONNTRACK_FRAG6_TIMEOUT=29, 325: NET_NF_CONNTRACK_FRAG6_LOW_THRESH=30, 326: NET_NF_CONNTRACK_FRAG6_HIGH_THRESH=31, 327: NET_NF_CONNTRACK_CHECKSUM=32, 328: }; 329: 330: /* /proc/sys/net/ipv4 */ 331: enum 332: { 333: /* v2.0 compatibile variables */ 334: NET_IPV4_FORWARD=8, 335: NET_IPV4_DYNADDR=9, 336: 337: NET_IPV4_CONF=16, 338: NET_IPV4_NEIGH=17, 339: NET_IPV4_ROUTE=18, 340: NET_IPV4_FIB_HASH=19, 341: NET_IPV4_NETFILTER=20, 342: 343: NET_IPV4_TCP_TIMESTAMPS=33, 344: NET_IPV4_TCP_WINDOW_SCALING=34, 345: NET_IPV4_TCP_SACK=35, 346: NET_IPV4_TCP_RETRANS_COLLAPSE=36, 347: NET_IPV4_DEFAULT_TTL=37, 348: NET_IPV4_AUTOCONFIG=38, 349: NET_IPV4_NO_PMTU_DISC=39, 350: NET_IPV4_TCP_SYN_RETRIES=40, 351: NET_IPV4_IPFRAG_HIGH_THRESH=41, 352: NET_IPV4_IPFRAG_LOW_THRESH=42, 353: NET_IPV4_IPFRAG_TIME=43, 354: NET_IPV4_TCP_MAX_KA_PROBES=44, 355: NET_IPV4_TCP_KEEPALIVE_TIME=45, 356: NET_IPV4_TCP_KEEPALIVE_PROBES=46, 357: NET_IPV4_TCP_RETRIES1=47, 358: NET_IPV4_TCP_RETRIES2=48, 359: NET_IPV4_TCP_FIN_TIMEOUT=49, 360: NET_IPV4_IP_MASQ_DEBUG=50, 361: NET_TCP_SYNCOOKIES=51, 362: NET_TCP_STDURG=52, 363: NET_TCP_RFC1337=53, 364: NET_TCP_SYN_TAILDROP=54, 365: NET_TCP_MAX_SYN_BACKLOG=55, 366: NET_IPV4_LOCAL_PORT_RANGE=56, 367: NET_IPV4_ICMP_ECHO_IGNORE_ALL=57, 368: NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS=58, 369: NET_IPV4_ICMP_SOURCEQUENCH_RATE=59, 370: NET_IPV4_ICMP_DESTUNREACH_RATE=60, 371: NET_IPV4_ICMP_TIMEEXCEED_RATE=61, 372: NET_IPV4_ICMP_PARAMPROB_RATE=62, 373: NET_IPV4_ICMP_ECHOREPLY_RATE=63, 374: NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES=64, 375: NET_IPV4_IGMP_MAX_MEMBERSHIPS=65, 376: NET_TCP_TW_RECYCLE=66, 377: NET_IPV4_ALWAYS_DEFRAG=67, 378: NET_IPV4_TCP_KEEPALIVE_INTVL=68, 379: NET_IPV4_INET_PEER_THRESHOLD=69, 380: NET_IPV4_INET_PEER_MINTTL=70, 381: NET_IPV4_INET_PEER_MAXTTL=71, 382: NET_IPV4_INET_PEER_GC_MINTIME=72, 383: NET_IPV4_INET_PEER_GC_MAXTIME=73, 384: NET_TCP_ORPHAN_RETRIES=74, 385: NET_TCP_ABORT_ON_OVERFLOW=75, 386: NET_TCP_SYNACK_RETRIES=76, 387: NET_TCP_MAX_ORPHANS=77, 388: NET_TCP_MAX_TW_BUCKETS=78, 389: NET_TCP_FACK=79, 390: NET_TCP_REORDERING=80, 391: NET_TCP_ECN=81, 392: NET_TCP_DSACK=82, 393: NET_TCP_MEM=83, 394: NET_TCP_WMEM=84, 395: NET_TCP_RMEM=85, 396: NET_TCP_APP_WIN=86, 397: NET_TCP_ADV_WIN_SCALE=87, 398: NET_IPV4_NONLOCAL_BIND=88, 399: NET_IPV4_ICMP_RATELIMIT=89, 400: NET_IPV4_ICMP_RATEMASK=90, 401: NET_TCP_TW_REUSE=91, 402: NET_TCP_FRTO=92, 403: NET_TCP_LOW_LATENCY=93, 404: NET_IPV4_IPFRAG_SECRET_INTERVAL=94, 405: NET_IPV4_IGMP_MAX_MSF=96, 406: NET_TCP_NO_METRICS_SAVE=97, 407: NET_TCP_DEFAULT_WIN_SCALE=105, 408: NET_TCP_MODERATE_RCVBUF=106, 409: NET_TCP_TSO_WIN_DIVISOR=107, 410: NET_TCP_BIC_BETA=108, 411: NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR=109, 412: NET_TCP_CONG_CONTROL=110, 413: NET_TCP_ABC=111, 414: NET_IPV4_IPFRAG_MAX_DIST=112, 415: NET_TCP_MTU_PROBING=113, 416: NET_TCP_BASE_MSS=114, 417: NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS=115, 418: NET_TCP_DMA_COPYBREAK=116, 419: NET_TCP_SLOW_START_AFTER_IDLE=117, 420: NET_CIPSOV4_CACHE_ENABLE=118, 421: NET_CIPSOV4_CACHE_BUCKET_SIZE=119, 422: NET_CIPSOV4_RBM_OPTFMT=120, 423: NET_CIPSOV4_RBM_STRICTVALID=121, 424: NET_TCP_AVAIL_CONG_CONTROL=122, 425: NET_TCP_ALLOWED_CONG_CONTROL=123, 426: NET_TCP_MAX_SSTHRESH=124, 427: NET_TCP_FRTO_RESPONSE=125, 428: }; 429: 430: enum { 431: NET_IPV4_ROUTE_FLUSH=1, 432: NET_IPV4_ROUTE_MIN_DELAY=2, /* obsolete since 2.6.25 */ 433: NET_IPV4_ROUTE_MAX_DELAY=3, /* obsolete since 2.6.25 */ 434: NET_IPV4_ROUTE_GC_THRESH=4, 435: NET_IPV4_ROUTE_MAX_SIZE=5, 436: NET_IPV4_ROUTE_GC_MIN_INTERVAL=6, 437: NET_IPV4_ROUTE_GC_TIMEOUT=7, 438: NET_IPV4_ROUTE_GC_INTERVAL=8, /* obsolete since 2.6.38 */ 439: NET_IPV4_ROUTE_REDIRECT_LOAD=9, 440: NET_IPV4_ROUTE_REDIRECT_NUMBER=10, 441: NET_IPV4_ROUTE_REDIRECT_SILENCE=11, 442: NET_IPV4_ROUTE_ERROR_COST=12, 443: NET_IPV4_ROUTE_ERROR_BURST=13, 444: NET_IPV4_ROUTE_GC_ELASTICITY=14, 445: NET_IPV4_ROUTE_MTU_EXPIRES=15, 446: NET_IPV4_ROUTE_MIN_PMTU=16, 447: NET_IPV4_ROUTE_MIN_ADVMSS=17, 448: NET_IPV4_ROUTE_SECRET_INTERVAL=18, 449: NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS=19, 450: }; 451: 452: enum 453: { 454: NET_PROTO_CONF_ALL=-2, 455: NET_PROTO_CONF_DEFAULT=-3 456: 457: /* And device ifindices ... */ 458: }; 459: 460: enum 461: { 462: NET_IPV4_CONF_FORWARDING=1, 463: NET_IPV4_CONF_MC_FORWARDING=2, 464: NET_IPV4_CONF_PROXY_ARP=3, 465: NET_IPV4_CONF_ACCEPT_REDIRECTS=4, 466: NET_IPV4_CONF_SECURE_REDIRECTS=5, 467: NET_IPV4_CONF_SEND_REDIRECTS=6, 468: NET_IPV4_CONF_SHARED_MEDIA=7, 469: NET_IPV4_CONF_RP_FILTER=8, 470: NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE=9, 471: NET_IPV4_CONF_BOOTP_RELAY=10, 472: NET_IPV4_CONF_LOG_MARTIANS=11, 473: NET_IPV4_CONF_TAG=12, 474: NET_IPV4_CONF_ARPFILTER=13, 475: NET_IPV4_CONF_MEDIUM_ID=14, 476: NET_IPV4_CONF_NOXFRM=15, 477: NET_IPV4_CONF_NOPOLICY=16, 478: NET_IPV4_CONF_FORCE_IGMP_VERSION=17, 479: NET_IPV4_CONF_ARP_ANNOUNCE=18, 480: NET_IPV4_CONF_ARP_IGNORE=19, 481: NET_IPV4_CONF_PROMOTE_SECONDARIES=20, 482: NET_IPV4_CONF_ARP_ACCEPT=21, 483: NET_IPV4_CONF_ARP_NOTIFY=22, 484: }; 485: 486: /* /proc/sys/net/ipv4/netfilter */ 487: enum 488: { 489: NET_IPV4_NF_CONNTRACK_MAX=1, 490: NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT=2, 491: NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV=3, 492: NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED=4, 493: NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT=5, 494: NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT=6, 495: NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK=7, 496: NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT=8, 497: NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_CLOSE=9, 498: NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT=10, 499: NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM=11, 500: NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT=12, 501: NET_IPV4_NF_CONNTRACK_GENERIC_TIMEOUT=13, 502: NET_IPV4_NF_CONNTRACK_BUCKETS=14, 503: NET_IPV4_NF_CONNTRACK_LOG_INVALID=15, 504: NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS=16, 505: NET_IPV4_NF_CONNTRACK_TCP_LOOSE=17, 506: NET_IPV4_NF_CONNTRACK_TCP_BE_LIBERAL=18, 507: NET_IPV4_NF_CONNTRACK_TCP_MAX_RETRANS=19, 508: NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED=20, 509: NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT=21, 510: NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED=22, 511: NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED=23, 512: NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT=24, 513: NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD=25, 514: NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT=26, 515: NET_IPV4_NF_CONNTRACK_COUNT=27, 516: NET_IPV4_NF_CONNTRACK_CHECKSUM=28, 517: }; 518: 519: /* /proc/sys/net/ipv6 */ 520: enum { 521: NET_IPV6_CONF=16, 522: NET_IPV6_NEIGH=17, 523: NET_IPV6_ROUTE=18, 524: NET_IPV6_ICMP=19, 525: NET_IPV6_BINDV6ONLY=20, 526: NET_IPV6_IP6FRAG_HIGH_THRESH=21, 527: NET_IPV6_IP6FRAG_LOW_THRESH=22, 528: NET_IPV6_IP6FRAG_TIME=23, 529: NET_IPV6_IP6FRAG_SECRET_INTERVAL=24, 530: NET_IPV6_MLD_MAX_MSF=25, 531: }; 532: 533: enum { 534: NET_IPV6_ROUTE_FLUSH=1, 535: NET_IPV6_ROUTE_GC_THRESH=2, 536: NET_IPV6_ROUTE_MAX_SIZE=3, 537: NET_IPV6_ROUTE_GC_MIN_INTERVAL=4, 538: NET_IPV6_ROUTE_GC_TIMEOUT=5, 539: NET_IPV6_ROUTE_GC_INTERVAL=6, 540: NET_IPV6_ROUTE_GC_ELASTICITY=7, 541: NET_IPV6_ROUTE_MTU_EXPIRES=8, 542: NET_IPV6_ROUTE_MIN_ADVMSS=9, 543: NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS=10 544: }; 545: 546: enum { 547: NET_IPV6_FORWARDING=1, 548: NET_IPV6_HOP_LIMIT=2, 549: NET_IPV6_MTU=3, 550: NET_IPV6_ACCEPT_RA=4, 551: NET_IPV6_ACCEPT_REDIRECTS=5, 552: NET_IPV6_AUTOCONF=6, 553: NET_IPV6_DAD_TRANSMITS=7, 554: NET_IPV6_RTR_SOLICITS=8, 555: NET_IPV6_RTR_SOLICIT_INTERVAL=9, 556: NET_IPV6_RTR_SOLICIT_DELAY=10, 557: NET_IPV6_USE_TEMPADDR=11, 558: NET_IPV6_TEMP_VALID_LFT=12, 559: NET_IPV6_TEMP_PREFERED_LFT=13, 560: NET_IPV6_REGEN_MAX_RETRY=14, 561: NET_IPV6_MAX_DESYNC_FACTOR=15, 562: NET_IPV6_MAX_ADDRESSES=16, 563: NET_IPV6_FORCE_MLD_VERSION=17, 564: NET_IPV6_ACCEPT_RA_DEFRTR=18, 565: NET_IPV6_ACCEPT_RA_PINFO=19, 566: NET_IPV6_ACCEPT_RA_RTR_PREF=20, 567: NET_IPV6_RTR_PROBE_INTERVAL=21, 568: NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN=22, 569: NET_IPV6_PROXY_NDP=23, 570: NET_IPV6_ACCEPT_SOURCE_ROUTE=25, 571: __NET_IPV6_MAX 572: }; 573: 574: /* /proc/sys/net/ipv6/icmp */ 575: enum { 576: NET_IPV6_ICMP_RATELIMIT=1 577: }; 578: 579: /* /proc/sys/net/<protocol>/neigh/<dev> */ 580: enum { 581: NET_NEIGH_MCAST_SOLICIT=1, 582: NET_NEIGH_UCAST_SOLICIT=2, 583: NET_NEIGH_APP_SOLICIT=3, 584: NET_NEIGH_RETRANS_TIME=4, 585: NET_NEIGH_REACHABLE_TIME=5, 586: NET_NEIGH_DELAY_PROBE_TIME=6, 587: NET_NEIGH_GC_STALE_TIME=7, 588: NET_NEIGH_UNRES_QLEN=8, 589: NET_NEIGH_PROXY_QLEN=9, 590: NET_NEIGH_ANYCAST_DELAY=10, 591: NET_NEIGH_PROXY_DELAY=11, 592: NET_NEIGH_LOCKTIME=12, 593: NET_NEIGH_GC_INTERVAL=13, 594: NET_NEIGH_GC_THRESH1=14, 595: NET_NEIGH_GC_THRESH2=15, 596: NET_NEIGH_GC_THRESH3=16, 597: NET_NEIGH_RETRANS_TIME_MS=17, 598: NET_NEIGH_REACHABLE_TIME_MS=18, 599: }; 600: 601: /* /proc/sys/net/dccp */ 602: enum { 603: NET_DCCP_DEFAULT=1, 604: }; 605: 606: /* /proc/sys/net/ipx */ 607: enum { 608: NET_IPX_PPROP_BROADCASTING=1, 609: NET_IPX_FORWARDING=2 610: }; 611: 612: /* /proc/sys/net/llc */ 613: enum { 614: NET_LLC2=1, 615: NET_LLC_STATION=2, 616: }; 617: 618: /* /proc/sys/net/llc/llc2 */ 619: enum { 620: NET_LLC2_TIMEOUT=1, 621: }; 622: 623: /* /proc/sys/net/llc/station */ 624: enum { 625: NET_LLC_STATION_ACK_TIMEOUT=1, 626: }; 627: 628: /* /proc/sys/net/llc/llc2/timeout */ 629: enum { 630: NET_LLC2_ACK_TIMEOUT=1, 631: NET_LLC2_P_TIMEOUT=2, 632: NET_LLC2_REJ_TIMEOUT=3, 633: NET_LLC2_BUSY_TIMEOUT=4, 634: }; 635: 636: /* /proc/sys/net/appletalk */ 637: enum { 638: NET_ATALK_AARP_EXPIRY_TIME=1, 639: NET_ATALK_AARP_TICK_TIME=2, 640: NET_ATALK_AARP_RETRANSMIT_LIMIT=3, 641: NET_ATALK_AARP_RESOLVE_TIME=4 642: }; 643: 644: 645: /* /proc/sys/net/netrom */ 646: enum { 647: NET_NETROM_DEFAULT_PATH_QUALITY=1, 648: NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER=2, 649: NET_NETROM_NETWORK_TTL_INITIALISER=3, 650: NET_NETROM_TRANSPORT_TIMEOUT=4, 651: NET_NETROM_TRANSPORT_MAXIMUM_TRIES=5, 652: NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY=6, 653: NET_NETROM_TRANSPORT_BUSY_DELAY=7, 654: NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE=8, 655: NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT=9, 656: NET_NETROM_ROUTING_CONTROL=10, 657: NET_NETROM_LINK_FAILS_COUNT=11, 658: NET_NETROM_RESET=12 659: }; 660: 661: /* /proc/sys/net/ax25 */ 662: enum { 663: NET_AX25_IP_DEFAULT_MODE=1, 664: NET_AX25_DEFAULT_MODE=2, 665: NET_AX25_BACKOFF_TYPE=3, 666: NET_AX25_CONNECT_MODE=4, 667: NET_AX25_STANDARD_WINDOW=5, 668: NET_AX25_EXTENDED_WINDOW=6, 669: NET_AX25_T1_TIMEOUT=7, 670: NET_AX25_T2_TIMEOUT=8, 671: NET_AX25_T3_TIMEOUT=9, 672: NET_AX25_IDLE_TIMEOUT=10, 673: NET_AX25_N2=11, 674: NET_AX25_PACLEN=12, 675: NET_AX25_PROTOCOL=13, 676: NET_AX25_DAMA_SLAVE_TIMEOUT=14 677: }; 678: 679: /* /proc/sys/net/rose */ 680: enum { 681: NET_ROSE_RESTART_REQUEST_TIMEOUT=1, 682: NET_ROSE_CALL_REQUEST_TIMEOUT=2, 683: NET_ROSE_RESET_REQUEST_TIMEOUT=3, 684: NET_ROSE_CLEAR_REQUEST_TIMEOUT=4, 685: NET_ROSE_ACK_HOLD_BACK_TIMEOUT=5, 686: NET_ROSE_ROUTING_CONTROL=6, 687: NET_ROSE_LINK_FAIL_TIMEOUT=7, 688: NET_ROSE_MAX_VCS=8, 689: NET_ROSE_WINDOW_SIZE=9, 690: NET_ROSE_NO_ACTIVITY_TIMEOUT=10 691: }; 692: 693: /* /proc/sys/net/x25 */ 694: enum { 695: NET_X25_RESTART_REQUEST_TIMEOUT=1, 696: NET_X25_CALL_REQUEST_TIMEOUT=2, 697: NET_X25_RESET_REQUEST_TIMEOUT=3, 698: NET_X25_CLEAR_REQUEST_TIMEOUT=4, 699: NET_X25_ACK_HOLD_BACK_TIMEOUT=5, 700: NET_X25_FORWARD=6 701: }; 702: 703: /* /proc/sys/net/token-ring */ 704: enum 705: { 706: NET_TR_RIF_TIMEOUT=1 707: }; 708: 709: /* /proc/sys/net/decnet/ */ 710: enum { 711: NET_DECNET_NODE_TYPE = 1, 712: NET_DECNET_NODE_ADDRESS = 2, 713: NET_DECNET_NODE_NAME = 3, 714: NET_DECNET_DEFAULT_DEVICE = 4, 715: NET_DECNET_TIME_WAIT = 5, 716: NET_DECNET_DN_COUNT = 6, 717: NET_DECNET_DI_COUNT = 7, 718: NET_DECNET_DR_COUNT = 8, 719: NET_DECNET_DST_GC_INTERVAL = 9, 720: NET_DECNET_CONF = 10, 721: NET_DECNET_NO_FC_MAX_CWND = 11, 722: NET_DECNET_MEM = 12, 723: NET_DECNET_RMEM = 13, 724: NET_DECNET_WMEM = 14, 725: NET_DECNET_DEBUG_LEVEL = 255 726: }; 727: 728: /* /proc/sys/net/decnet/conf/<dev> */ 729: enum { 730: NET_DECNET_CONF_LOOPBACK = -2, 731: NET_DECNET_CONF_DDCMP = -3, 732: NET_DECNET_CONF_PPP = -4, 733: NET_DECNET_CONF_X25 = -5, 734: NET_DECNET_CONF_GRE = -6, 735: NET_DECNET_CONF_ETHER = -7 736: 737: /* ... and ifindex of devices */ 738: }; 739: 740: /* /proc/sys/net/decnet/conf/<dev>/ */ 741: enum { 742: NET_DECNET_CONF_DEV_PRIORITY = 1, 743: NET_DECNET_CONF_DEV_T1 = 2, 744: NET_DECNET_CONF_DEV_T2 = 3, 745: NET_DECNET_CONF_DEV_T3 = 4, 746: NET_DECNET_CONF_DEV_FORWARDING = 5, 747: NET_DECNET_CONF_DEV_BLKSIZE = 6, 748: NET_DECNET_CONF_DEV_STATE = 7 749: }; 750: 751: /* /proc/sys/net/sctp */ 752: enum { 753: NET_SCTP_RTO_INITIAL = 1, 754: NET_SCTP_RTO_MIN = 2, 755: NET_SCTP_RTO_MAX = 3, 756: NET_SCTP_RTO_ALPHA = 4, 757: NET_SCTP_RTO_BETA = 5, 758: NET_SCTP_VALID_COOKIE_LIFE = 6, 759: NET_SCTP_ASSOCIATION_MAX_RETRANS = 7, 760: NET_SCTP_PATH_MAX_RETRANS = 8, 761: NET_SCTP_MAX_INIT_RETRANSMITS = 9, 762: NET_SCTP_HB_INTERVAL = 10, 763: NET_SCTP_PRESERVE_ENABLE = 11, 764: NET_SCTP_MAX_BURST = 12, 765: NET_SCTP_ADDIP_ENABLE = 13, 766: NET_SCTP_PRSCTP_ENABLE = 14, 767: NET_SCTP_SNDBUF_POLICY = 15, 768: NET_SCTP_SACK_TIMEOUT = 16, 769: NET_SCTP_RCVBUF_POLICY = 17, 770: }; 771: 772: /* /proc/sys/net/bridge */ 773: enum { 774: NET_BRIDGE_NF_CALL_ARPTABLES = 1, 775: NET_BRIDGE_NF_CALL_IPTABLES = 2, 776: NET_BRIDGE_NF_CALL_IP6TABLES = 3, 777: NET_BRIDGE_NF_FILTER_VLAN_TAGGED = 4, 778: NET_BRIDGE_NF_FILTER_PPPOE_TAGGED = 5, 779: }; 780: 781: /* proc/sys/net/irda */ 782: enum { 783: NET_IRDA_DISCOVERY=1, 784: NET_IRDA_DEVNAME=2, 785: NET_IRDA_DEBUG=3, 786: NET_IRDA_FAST_POLL=4, 787: NET_IRDA_DISCOVERY_SLOTS=5, 788: NET_IRDA_DISCOVERY_TIMEOUT=6, 789: NET_IRDA_SLOT_TIMEOUT=7, 790: NET_IRDA_MAX_BAUD_RATE=8, 791: NET_IRDA_MIN_TX_TURN_TIME=9, 792: NET_IRDA_MAX_TX_DATA_SIZE=10, 793: NET_IRDA_MAX_TX_WINDOW=11, 794: NET_IRDA_MAX_NOREPLY_TIME=12, 795: NET_IRDA_WARN_NOREPLY_TIME=13, 796: NET_IRDA_LAP_KEEPALIVE_TIME=14, 797: }; 798: 799: 800: /* CTL_FS names: */ 801: enum 802: { 803: FS_NRINODE=1, /* int:current number of allocated inodes */ 804: FS_STATINODE=2, 805: FS_MAXINODE=3, /* int:maximum number of inodes that can be allocated */ 806: FS_NRDQUOT=4, /* int:current number of allocated dquots */ 807: FS_MAXDQUOT=5, /* int:maximum number of dquots that can be allocated */ 808: FS_NRFILE=6, /* int:current number of allocated filedescriptors */ 809: FS_MAXFILE=7, /* int:maximum number of filedescriptors that can be allocated */ 810: FS_DENTRY=8, 811: FS_NRSUPER=9, /* int:current number of allocated super_blocks */ 812: FS_MAXSUPER=10, /* int:maximum number of super_blocks that can be allocated */ 813: FS_OVERFLOWUID=11, /* int: overflow UID */ 814: FS_OVERFLOWGID=12, /* int: overflow GID */ 815: FS_LEASES=13, /* int: leases enabled */ 816: FS_DIR_NOTIFY=14, /* int: directory notification enabled */ 817: FS_LEASE_TIME=15, /* int: maximum time to wait for a lease break */ 818: FS_DQSTATS=16, /* disc quota usage statistics and control */ 819: FS_XFS=17, /* struct: control xfs parameters */ 820: FS_AIO_NR=18, /* current system-wide number of aio requests */ 821: FS_AIO_MAX_NR=19, /* system-wide maximum number of aio requests */ 822: FS_INOTIFY=20, /* inotify submenu */ 823: FS_OCFS2=988, /* ocfs2 */ 824: }; 825: 826: /* /proc/sys/fs/quota/ */ 827: enum { 828: FS_DQ_LOOKUPS = 1, 829: FS_DQ_DROPS = 2, 830: FS_DQ_READS = 3, 831: FS_DQ_WRITES = 4, 832: FS_DQ_CACHE_HITS = 5, 833: FS_DQ_ALLOCATED = 6, 834: FS_DQ_FREE = 7, 835: FS_DQ_SYNCS = 8, 836: FS_DQ_WARNINGS = 9, 837: }; 838: 839: /* CTL_DEBUG names: */ 840: 841: /* CTL_DEV names: */ 842: enum { 843: DEV_CDROM=1, 844: DEV_HWMON=2, 845: DEV_PARPORT=3, 846: DEV_RAID=4, 847: DEV_MAC_HID=5, 848: DEV_SCSI=6, 849: DEV_IPMI=7, 850: }; 851: 852: /* /proc/sys/dev/cdrom */ 853: enum { 854: DEV_CDROM_INFO=1, 855: DEV_CDROM_AUTOCLOSE=2, 856: DEV_CDROM_AUTOEJECT=3, 857: DEV_CDROM_DEBUG=4, 858: DEV_CDROM_LOCK=5, 859: DEV_CDROM_CHECK_MEDIA=6 860: }; 861: 862: /* /proc/sys/dev/parport */ 863: enum { 864: DEV_PARPORT_DEFAULT=-3 865: }; 866: 867: /* /proc/sys/dev/raid */ 868: enum { 869: DEV_RAID_SPEED_LIMIT_MIN=1, 870: DEV_RAID_SPEED_LIMIT_MAX=2 871: }; 872: 873: /* /proc/sys/dev/parport/default */ 874: enum { 875: DEV_PARPORT_DEFAULT_TIMESLICE=1, 876: DEV_PARPORT_DEFAULT_SPINTIME=2 877: }; 878: 879: /* /proc/sys/dev/parport/parport n */ 880: enum { 881: DEV_PARPORT_SPINTIME=1, 882: DEV_PARPORT_BASE_ADDR=2, 883: DEV_PARPORT_IRQ=3, 884: DEV_PARPORT_DMA=4, 885: DEV_PARPORT_MODES=5, 886: DEV_PARPORT_DEVICES=6, 887: DEV_PARPORT_AUTOPROBE=16 888: }; 889: 890: /* /proc/sys/dev/parport/parport n/devices/ */ 891: enum { 892: DEV_PARPORT_DEVICES_ACTIVE=-3, 893: }; 894: 895: /* /proc/sys/dev/parport/parport n/devices/device n */ 896: enum { 897: DEV_PARPORT_DEVICE_TIMESLICE=1, 898: }; 899: 900: /* /proc/sys/dev/mac_hid */ 901: enum { 902: DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES=1, 903: DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES=2, 904: DEV_MAC_HID_MOUSE_BUTTON_EMULATION=3, 905: DEV_MAC_HID_MOUSE_BUTTON2_KEYCODE=4, 906: DEV_MAC_HID_MOUSE_BUTTON3_KEYCODE=5, 907: DEV_MAC_HID_ADB_MOUSE_SENDS_KEYCODES=6 908: }; 909: 910: /* /proc/sys/dev/scsi */ 911: enum { 912: DEV_SCSI_LOGGING_LEVEL=1, 913: }; 914: 915: /* /proc/sys/dev/ipmi */ 916: enum { 917: DEV_IPMI_POWEROFF_POWERCYCLE=1, 918: }; 919: 920: /* /proc/sys/abi */ 921: enum 922: { 923: ABI_DEFHANDLER_COFF=1, /* default handler for coff binaries */ 924: ABI_DEFHANDLER_ELF=2, /* default handler for ELF binaries */ 925: ABI_DEFHANDLER_LCALL7=3,/* default handler for procs using lcall7 */ 926: ABI_DEFHANDLER_LIBCSO=4,/* default handler for an libc.so ELF interp */ 927: ABI_TRACE=5, /* tracing flags */ 928: ABI_FAKE_UTSNAME=6, /* fake target utsname information */ 929: }; 930: 931: 932: #endif /* _LINUX_SYSCTL_H */ 933:
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