Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * sysctl.h: General linux system control interface |
| 3 | * |
| 4 | * Begun 24 March 1995, Stephen Tweedie |
| 5 | * |
| 6 | **************************************************************** |
| 7 | **************************************************************** |
| 8 | ** |
Eric W. Biederman | 7cc13ed | 2006-11-05 23:52:13 -0800 | [diff] [blame] | 9 | ** WARNING: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | ** The values in this file are exported to user space via |
Eric W. Biederman | 7cc13ed | 2006-11-05 23:52:13 -0800 | [diff] [blame] | 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 |
Rolf Eike Beer | 93aec20 | 2006-12-12 19:23:02 +0100 | [diff] [blame] | 14 | ** redefine an existing interface, use a new number for it. |
Eric W. Biederman | 7cc13ed | 2006-11-05 23:52:13 -0800 | [diff] [blame] | 15 | ** The kernel will then return -ENOTDIR to any application using |
| 16 | ** the old binary interface. |
| 17 | ** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | **************************************************************** |
| 19 | **************************************************************** |
| 20 | */ |
| 21 | |
| 22 | #ifndef _LINUX_SYSCTL_H |
| 23 | #define _LINUX_SYSCTL_H |
| 24 | |
| 25 | #include <linux/kernel.h> |
| 26 | #include <linux/types.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <linux/compiler.h> |
| 28 | |
Al Viro | 330d57f | 2005-11-04 10:18:40 +0000 | [diff] [blame] | 29 | struct completion; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | |
| 31 | #define CTL_MAXNAME 10 /* how many path components do we allow in a |
| 32 | call to sysctl? In other words, what is |
| 33 | the largest acceptable value for the nlen |
| 34 | member of a struct __sysctl_args to have? */ |
| 35 | |
| 36 | struct __sysctl_args { |
| 37 | int __user *name; |
| 38 | int nlen; |
| 39 | void __user *oldval; |
| 40 | size_t __user *oldlenp; |
| 41 | void __user *newval; |
| 42 | size_t newlen; |
| 43 | unsigned long __unused[4]; |
| 44 | }; |
| 45 | |
| 46 | /* Define sysctl names first */ |
| 47 | |
| 48 | /* Top-level names: */ |
| 49 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | enum |
| 51 | { |
| 52 | CTL_KERN=1, /* General kernel info and control */ |
| 53 | CTL_VM=2, /* VM management */ |
| 54 | CTL_NET=3, /* Networking */ |
Alexey Dobriyan | 0d0ed42 | 2007-07-31 00:38:18 -0700 | [diff] [blame] | 55 | CTL_PROC=4, /* removal breaks strace(1) compilation */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | CTL_FS=5, /* Filesystems */ |
| 57 | CTL_DEBUG=6, /* Debugging */ |
| 58 | CTL_DEV=7, /* Devices */ |
| 59 | CTL_BUS=8, /* Busses */ |
| 60 | CTL_ABI=9, /* Binary emulation */ |
Eric W. Biederman | 50d851f | 2007-02-14 00:33:22 -0800 | [diff] [blame] | 61 | CTL_CPU=10, /* CPU stuff (speed scaling, etc) */ |
Eric W. Biederman | 59fc531 | 2007-02-14 00:33:53 -0800 | [diff] [blame] | 62 | CTL_ARLAN=254, /* arlan wireless driver */ |
Eric W. Biederman | feceb63 | 2007-02-14 00:33:45 -0800 | [diff] [blame] | 63 | CTL_S390DBF=5677, /* s390 debug */ |
Eric W. Biederman | 50d851f | 2007-02-14 00:33:22 -0800 | [diff] [blame] | 64 | CTL_SUNRPC=7249, /* sunrpc debug */ |
Eric W. Biederman | 462591b | 2007-02-14 00:33:36 -0800 | [diff] [blame] | 65 | CTL_PM=9899, /* frv power management */ |
Eric W. Biederman | 77f6dfb1 | 2007-02-14 00:33:37 -0800 | [diff] [blame] | 66 | CTL_FRV=9898, /* frv specific sysctls */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | }; |
| 68 | |
| 69 | /* CTL_BUS names: */ |
| 70 | enum |
| 71 | { |
| 72 | CTL_BUS_ISA=1 /* ISA */ |
| 73 | }; |
| 74 | |
Robert Love | 0399cb0 | 2005-07-13 12:38:18 -0400 | [diff] [blame] | 75 | /* /proc/sys/fs/inotify/ */ |
Robert Love | 0eeca28 | 2005-07-12 17:06:03 -0400 | [diff] [blame] | 76 | enum |
| 77 | { |
Robert Love | 0399cb0 | 2005-07-13 12:38:18 -0400 | [diff] [blame] | 78 | INOTIFY_MAX_USER_INSTANCES=1, /* max instances per user */ |
| 79 | INOTIFY_MAX_USER_WATCHES=2, /* max watches per user */ |
| 80 | INOTIFY_MAX_QUEUED_EVENTS=3 /* max queued events per instance */ |
Robert Love | 0eeca28 | 2005-07-12 17:06:03 -0400 | [diff] [blame] | 81 | }; |
| 82 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | /* CTL_KERN names: */ |
| 84 | enum |
| 85 | { |
| 86 | KERN_OSTYPE=1, /* string: system version */ |
| 87 | KERN_OSRELEASE=2, /* string: system release */ |
| 88 | KERN_OSREV=3, /* int: system revision */ |
| 89 | KERN_VERSION=4, /* string: compile time info */ |
| 90 | KERN_SECUREMASK=5, /* struct: maximum rights mask */ |
| 91 | KERN_PROF=6, /* table: profiling information */ |
Thadeu Lima de Souza Cascardo | 8a74770 | 2009-10-30 18:03:39 -0200 | [diff] [blame] | 92 | KERN_NODENAME=7, /* string: hostname */ |
| 93 | KERN_DOMAINNAME=8, /* string: domainname */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | KERN_PANIC=15, /* int: panic timeout */ |
| 96 | KERN_REALROOTDEV=16, /* real root device to mount after initrd */ |
| 97 | |
| 98 | KERN_SPARC_REBOOT=21, /* reboot command on Sparc */ |
| 99 | 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 */ |
Thadeu Lima de Souza Cascardo | 8a74770 | 2009-10-30 18:03:39 -0200 | [diff] [blame] | 105 | KERN_MODPROBE=28, /* string: modprobe path */ |
| 106 | KERN_SG_BIG_BUFF=29, /* int: sg driver reserved buffer size */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 128 | KERN_HOTPLUG=49, /* string: path to uevent helper (deprecated) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Alan Cox | d6e7114 | 2005-06-23 00:09:43 -0700 | [diff] [blame] | 148 | KERN_SETUID_DUMPABLE=69, /* int: behaviour of dumps for setuid core */ |
Martin Schwidefsky | 951f22d | 2005-07-27 11:44:57 -0700 | [diff] [blame] | 149 | KERN_SPIN_RETRY=70, /* int: number of spinlock retries */ |
Pavel Machek | c255d84 | 2006-02-20 18:27:58 -0800 | [diff] [blame] | 150 | KERN_ACPI_VIDEO_FLAGS=71, /* int: flags for setting up video after ACPI sleep */ |
Jes Sorensen | d2b176e | 2006-02-28 09:42:23 -0800 | [diff] [blame] | 151 | KERN_IA64_UNALIGNED=72, /* int: ia64 unaligned userland trap enable */ |
Andi Kleen | bebfa10 | 2006-06-26 13:56:52 +0200 | [diff] [blame] | 152 | KERN_COMPAT_LOG=73, /* int: print compat layer messages */ |
Thadeu Lima de Souza Cascardo | 8a74770 | 2009-10-30 18:03:39 -0200 | [diff] [blame] | 153 | KERN_MAX_LOCK_DEPTH=74, /* int: rtmutex's maximum lock depth */ |
Don Zickus | 407984f | 2006-09-26 10:52:27 +0200 | [diff] [blame] | 154 | KERN_NMI_WATCHDOG=75, /* int: enable/disable nmi watchdog */ |
Don Zickus | 8da5add | 2006-09-26 10:52:27 +0200 | [diff] [blame] | 155 | KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | }; |
| 157 | |
| 158 | |
Andi Kleen | bebfa10 | 2006-06-26 13:56:52 +0200 | [diff] [blame] | 159 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Andrew Morton | 9d0243b | 2006-01-08 01:00:39 -0800 | [diff] [blame] | 191 | VM_DROP_PAGECACHE=29, /* int: nuke lots of pagecache */ |
Rohit Seth | 8ad4b1f | 2006-01-08 01:00:40 -0800 | [diff] [blame] | 192 | VM_PERCPU_PAGELIST_FRACTION=30,/* int: fraction of pages in each percpu_pagelist */ |
Christoph Lameter | 2a11ff0 | 2006-02-01 03:05:33 -0800 | [diff] [blame] | 193 | VM_ZONE_RECLAIM_MODE=31, /* reclaim local zone memory before going off node */ |
Christoph Lameter | 9614634 | 2006-07-03 00:24:13 -0700 | [diff] [blame] | 194 | VM_MIN_UNMAPPED=32, /* Set min percent of unmapped pages */ |
KAMEZAWA Hiroyuki | fadd8fb | 2006-06-23 02:03:13 -0700 | [diff] [blame] | 195 | VM_PANIC_ON_OOM=33, /* panic at out-of-memory */ |
Ingo Molnar | e6e5494 | 2006-06-27 02:53:50 -0700 | [diff] [blame] | 196 | VM_VDSO_ENABLED=34, /* map VDSO into new processes? */ |
Christoph Lameter | 0ff3849 | 2006-09-25 23:31:52 -0700 | [diff] [blame] | 197 | VM_MIN_SLAB=35, /* Percent pages ignored by zone reclaim */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Arnaldo Carvalho de Melo | 590232a | 2005-09-22 04:30:44 -0300 | [diff] [blame] | 220 | NET_SCTP=17, |
| 221 | NET_LLC=18, |
Yasuyuki Kozakai | 9fb9cbb | 2005-11-09 16:38:16 -0800 | [diff] [blame] | 222 | NET_NETFILTER=19, |
Arnaldo Carvalho de Melo | e55d912 | 2006-03-20 19:25:02 -0800 | [diff] [blame] | 223 | NET_DCCP=20, |
Eric W. Biederman | f429cd3 | 2007-10-18 03:05:33 -0700 | [diff] [blame] | 224 | NET_IRDA=412, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Stephen Hemminger | 51b0bde | 2005-06-23 20:14:40 -0700 | [diff] [blame] | 274 | NET_CORE_BUDGET=19, |
Jamal Hadi Salim | f8cd548 | 2006-03-20 19:15:11 -0800 | [diff] [blame] | 275 | NET_CORE_AEVENT_ETIME=20, |
| 276 | NET_CORE_AEVENT_RSEQTH=21, |
Stephen Hemminger | a2a316f | 2007-03-08 20:41:08 -0800 | [diff] [blame] | 277 | NET_CORE_WARNINGS=22, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Yasuyuki Kozakai | 9fb9cbb | 2005-11-09 16:38:16 -0800 | [diff] [blame] | 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, |
Patrick McHardy | 39a27a3 | 2006-05-29 18:23:54 -0700 | [diff] [blame] | 327 | NET_NF_CONNTRACK_CHECKSUM=32, |
Yasuyuki Kozakai | 9fb9cbb | 2005-11-09 16:38:16 -0800 | [diff] [blame] | 328 | }; |
| 329 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | NET_IPV4_IGMP_MAX_MSF=96, |
| 406 | NET_TCP_NO_METRICS_SAVE=97, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
J. Simonetti | 1c2fb7f | 2005-06-13 15:19:03 -0700 | [diff] [blame] | 411 | NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR=109, |
Stephen Hemminger | 317a76f | 2005-06-23 12:19:55 -0700 | [diff] [blame] | 412 | NET_TCP_CONG_CONTROL=110, |
Stephen Hemminger | 9772efb | 2005-11-10 17:09:53 -0800 | [diff] [blame] | 413 | NET_TCP_ABC=111, |
Herbert Xu | 89cee8b | 2005-12-13 23:14:27 -0800 | [diff] [blame] | 414 | NET_IPV4_IPFRAG_MAX_DIST=112, |
John Heffner | 5d424d5 | 2006-03-20 17:53:41 -0800 | [diff] [blame] | 415 | NET_TCP_MTU_PROBING=113, |
| 416 | NET_TCP_BASE_MSS=114, |
Rick Jones | 15d99e0 | 2006-03-20 22:40:29 -0800 | [diff] [blame] | 417 | NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS=115, |
Chris Leech | 9593782 | 2006-05-23 18:02:55 -0700 | [diff] [blame] | 418 | NET_TCP_DMA_COPYBREAK=116, |
David S. Miller | 35089bb | 2006-06-13 22:33:04 -0700 | [diff] [blame] | 419 | NET_TCP_SLOW_START_AFTER_IDLE=117, |
Paul Moore | 446fda4 | 2006-08-03 16:48:06 -0700 | [diff] [blame] | 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, |
Stephen Hemminger | 3ff825b | 2006-11-09 16:32:06 -0800 | [diff] [blame] | 424 | NET_TCP_AVAIL_CONG_CONTROL=122, |
Stephen Hemminger | ce7bc3b | 2006-11-09 16:35:15 -0800 | [diff] [blame] | 425 | NET_TCP_ALLOWED_CONG_CONTROL=123, |
John Heffner | 886236c | 2007-03-25 19:21:45 -0700 | [diff] [blame] | 426 | NET_TCP_MAX_SSTHRESH=124, |
Ilpo Järvinen | 3cfe3ba | 2007-02-27 10:09:49 -0800 | [diff] [blame] | 427 | NET_TCP_FRTO_RESPONSE=125, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | }; |
| 429 | |
| 430 | enum { |
| 431 | NET_IPV4_ROUTE_FLUSH=1, |
Eric Dumazet | 29e7525 | 2008-01-31 17:05:09 -0800 | [diff] [blame] | 432 | NET_IPV4_ROUTE_MIN_DELAY=2, /* obsolete since 2.6.25 */ |
| 433 | NET_IPV4_ROUTE_MAX_DELAY=3, /* obsolete since 2.6.25 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
| 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, |
Harald Welte | 8f937c6 | 2005-05-29 20:23:46 -0700 | [diff] [blame] | 481 | NET_IPV4_CONF_PROMOTE_SECONDARIES=20, |
Neil Horman | abd596a | 2006-03-20 22:39:47 -0800 | [diff] [blame] | 482 | NET_IPV4_CONF_ARP_ACCEPT=21, |
Stephen Hemminger | eefef1c | 2009-02-01 01:04:33 -0800 | [diff] [blame] | 483 | NET_IPV4_CONF_ARP_NOTIFY=22, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Patrick McHardy | 39a27a3 | 2006-05-29 18:23:54 -0700 | [diff] [blame] | 516 | NET_IPV4_NF_CONNTRACK_CHECKSUM=28, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
YOSHIFUJI Hideaki | 65f5c7c | 2006-03-20 16:55:08 -0800 | [diff] [blame] | 564 | NET_IPV6_ACCEPT_RA_DEFRTR=18, |
YOSHIFUJI Hideaki | c4fd30e | 2006-03-20 16:55:26 -0800 | [diff] [blame] | 565 | NET_IPV6_ACCEPT_RA_PINFO=19, |
YOSHIFUJI Hideaki | 930d6ff | 2006-03-20 17:05:30 -0800 | [diff] [blame] | 566 | NET_IPV6_ACCEPT_RA_RTR_PREF=20, |
YOSHIFUJI Hideaki | 52e1635 | 2006-03-20 17:05:47 -0800 | [diff] [blame] | 567 | NET_IPV6_RTR_PROBE_INTERVAL=21, |
YOSHIFUJI Hideaki | 09c884d | 2006-03-20 17:07:03 -0800 | [diff] [blame] | 568 | NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN=22, |
YOSHIFUJI Hideaki | fbea49e | 2006-09-22 14:43:49 -0700 | [diff] [blame] | 569 | NET_IPV6_PROXY_NDP=23, |
YOSHIFUJI Hideaki | 0bcbc92 | 2007-04-24 14:58:30 -0700 | [diff] [blame] | 570 | NET_IPV6_ACCEPT_SOURCE_ROUTE=25, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | }; |
| 600 | |
Arnaldo Carvalho de Melo | e55d912 | 2006-03-20 19:25:02 -0800 | [diff] [blame] | 601 | /* /proc/sys/net/dccp */ |
| 602 | enum { |
| 603 | NET_DCCP_DEFAULT=1, |
| 604 | }; |
| 605 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | /* /proc/sys/net/ipx */ |
| 607 | enum { |
| 608 | NET_IPX_PPROP_BROADCASTING=1, |
| 609 | NET_IPX_FORWARDING=2 |
| 610 | }; |
| 611 | |
Arnaldo Carvalho de Melo | 590232a | 2005-09-22 04:30:44 -0300 | [diff] [blame] | 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 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Ralf Baechle | e21ce8c | 2005-09-12 14:27:37 -0700 | [diff] [blame] | 657 | NET_NETROM_LINK_FAILS_COUNT=11, |
| 658 | NET_NETROM_RESET=12 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Andrew Hendry | 39e21c0 | 2007-02-08 13:34:36 -0800 | [diff] [blame] | 699 | NET_X25_ACK_HOLD_BACK_TIMEOUT=5, |
| 700 | NET_X25_FORWARD=6 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Steven Whitehouse | 1f12bcc | 2005-12-05 13:42:06 -0800 | [diff] [blame] | 722 | NET_DECNET_MEM = 12, |
| 723 | NET_DECNET_RMEM = 13, |
| 724 | NET_DECNET_WMEM = 14, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Neil Horman | 4eb701d | 2005-04-28 12:02:04 -0700 | [diff] [blame] | 767 | NET_SCTP_SNDBUF_POLICY = 15, |
Vlad Yasevich | 2f85a42 | 2005-06-28 13:24:23 -0700 | [diff] [blame] | 768 | NET_SCTP_SACK_TIMEOUT = 16, |
Neil Horman | 049b3ff | 2005-11-11 16:08:24 -0800 | [diff] [blame] | 769 | NET_SCTP_RCVBUF_POLICY = 17, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Michael Milner | 516299d | 2007-04-12 22:14:23 -0700 | [diff] [blame] | 778 | NET_BRIDGE_NF_FILTER_PPPOE_TAGGED = 5, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | }; |
| 780 | |
Eric W. Biederman | f429cd3 | 2007-10-18 03:05:33 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Robert Love | 0399cb0 | 2005-07-13 12:38:18 -0400 | [diff] [blame] | 822 | FS_INOTIFY=20, /* inotify submenu */ |
Eric W. Biederman | 0e03036 | 2007-02-14 00:33:57 -0800 | [diff] [blame] | 823 | FS_OCFS2=988, /* ocfs2 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Corey Minyard | 8c702e1 | 2005-09-06 15:18:46 -0700 | [diff] [blame] | 849 | DEV_IPMI=7, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Corey Minyard | 8c702e1 | 2005-09-06 15:18:46 -0700 | [diff] [blame] | 915 | /* /proc/sys/dev/ipmi */ |
| 916 | enum { |
| 917 | DEV_IPMI_POWEROFF_POWERCYCLE=1, |
| 918 | }; |
| 919 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | #ifdef __KERNEL__ |
Harald Welte | d4ed803 | 2005-11-15 00:09:06 -0800 | [diff] [blame] | 932 | #include <linux/list.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 933 | |
Eric W. Biederman | 805b5d5 | 2007-02-14 00:34:11 -0800 | [diff] [blame] | 934 | /* For the /proc/sys support */ |
Eric W. Biederman | 1ff007e | 2007-02-14 00:34:11 -0800 | [diff] [blame] | 935 | struct ctl_table; |
Eric W. Biederman | e51b6ba | 2007-11-30 23:54:00 +1100 | [diff] [blame] | 936 | struct nsproxy; |
Pavel Emelyanov | d7321cd | 2008-04-29 01:02:44 -0700 | [diff] [blame] | 937 | struct ctl_table_root; |
| 938 | |
Al Viro | 7345509 | 2008-07-14 21:22:20 -0400 | [diff] [blame] | 939 | struct ctl_table_set { |
| 940 | struct list_head list; |
| 941 | struct ctl_table_set *parent; |
| 942 | int (*is_seen)(struct ctl_table_set *); |
| 943 | }; |
| 944 | |
| 945 | extern void setup_sysctl_set(struct ctl_table_set *p, |
| 946 | struct ctl_table_set *parent, |
| 947 | int (*is_seen)(struct ctl_table_set *)); |
| 948 | |
Al Viro | f7e6ced | 2008-07-15 01:44:23 -0400 | [diff] [blame] | 949 | struct ctl_table_header; |
| 950 | |
| 951 | extern void sysctl_head_get(struct ctl_table_header *); |
| 952 | extern void sysctl_head_put(struct ctl_table_header *); |
Al Viro | 9043476f | 2008-07-15 08:54:06 -0400 | [diff] [blame] | 953 | extern int sysctl_is_seen(struct ctl_table_header *); |
Al Viro | f7e6ced | 2008-07-15 01:44:23 -0400 | [diff] [blame] | 954 | extern struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *); |
Eric W. Biederman | 805b5d5 | 2007-02-14 00:34:11 -0800 | [diff] [blame] | 955 | extern struct ctl_table_header *sysctl_head_next(struct ctl_table_header *prev); |
Eric W. Biederman | e51b6ba | 2007-11-30 23:54:00 +1100 | [diff] [blame] | 956 | extern struct ctl_table_header *__sysctl_head_next(struct nsproxy *namespaces, |
| 957 | struct ctl_table_header *prev); |
Eric W. Biederman | 805b5d5 | 2007-02-14 00:34:11 -0800 | [diff] [blame] | 958 | extern void sysctl_head_finish(struct ctl_table_header *prev); |
Pavel Emelyanov | d7321cd | 2008-04-29 01:02:44 -0700 | [diff] [blame] | 959 | extern int sysctl_perm(struct ctl_table_root *root, |
| 960 | struct ctl_table *table, int op); |
Eric W. Biederman | 805b5d5 | 2007-02-14 00:34:11 -0800 | [diff] [blame] | 961 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 962 | typedef struct ctl_table ctl_table; |
| 963 | |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 964 | typedef int proc_handler (struct ctl_table *ctl, int write, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | void __user *buffer, size_t *lenp, loff_t *ppos); |
| 966 | |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 967 | extern int proc_dostring(struct ctl_table *, int, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | void __user *, size_t *, loff_t *); |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 969 | extern int proc_dointvec(struct ctl_table *, int, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | void __user *, size_t *, loff_t *); |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 971 | extern int proc_dointvec_minmax(struct ctl_table *, int, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 972 | void __user *, size_t *, loff_t *); |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 973 | extern int proc_dointvec_jiffies(struct ctl_table *, int, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 974 | void __user *, size_t *, loff_t *); |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 975 | extern int proc_dointvec_userhz_jiffies(struct ctl_table *, int, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 976 | void __user *, size_t *, loff_t *); |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 977 | extern int proc_dointvec_ms_jiffies(struct ctl_table *, int, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 978 | void __user *, size_t *, loff_t *); |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 979 | extern int proc_doulongvec_minmax(struct ctl_table *, int, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | void __user *, size_t *, loff_t *); |
Eric W. Biederman | d8217f0 | 2007-10-18 03:05:22 -0700 | [diff] [blame] | 981 | extern int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int, |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 982 | void __user *, size_t *, loff_t *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 983 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | /* |
| 985 | * Register a set of sysctl names by calling register_sysctl_table |
Eric W. Biederman | 2315ffa | 2009-04-03 03:18:02 -0700 | [diff] [blame] | 986 | * with an initialised array of struct ctl_table's. An entry with |
| 987 | * NULL procname terminates the table. table->de will be |
Eric W. Biederman | d99f160 | 2006-11-05 23:52:12 -0800 | [diff] [blame] | 988 | * set up by the registration and need not be initialised in advance. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | * |
| 990 | * sysctl names can be mirrored automatically under /proc/sys. The |
| 991 | * procname supplied controls /proc naming. |
| 992 | * |
| 993 | * The table's mode will be honoured both for sys_sysctl(2) and |
| 994 | * proc-fs access. |
| 995 | * |
| 996 | * Leaf nodes in the sysctl tree will be represented by a single file |
| 997 | * under /proc; non-leaf nodes will be represented by directories. A |
| 998 | * null procname disables /proc mirroring at this node. |
Eric W. Biederman | d99f160 | 2006-11-05 23:52:12 -0800 | [diff] [blame] | 999 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | * sysctl(2) can automatically manage read and write requests through |
| 1001 | * the sysctl table. The data and maxlen fields of the ctl_table |
| 1002 | * struct enable minimal validation of the values being written to be |
| 1003 | * performed, and the mode field allows minimal authentication. |
| 1004 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1005 | * There must be a proc_handler routine for any terminal nodes |
| 1006 | * mirrored under /proc/sys (non-terminals are handled by a built-in |
| 1007 | * directory handler). Several default handlers are available to |
| 1008 | * cover common cases. |
| 1009 | */ |
| 1010 | |
| 1011 | /* A sysctl table is an array of struct ctl_table: */ |
| 1012 | struct ctl_table |
| 1013 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1014 | const char *procname; /* Text ID for /proc/sys, or zero */ |
| 1015 | void *data; |
| 1016 | int maxlen; |
| 1017 | mode_t mode; |
Eric W. Biederman | d8217f0 | 2007-10-18 03:05:22 -0700 | [diff] [blame] | 1018 | struct ctl_table *child; |
| 1019 | struct ctl_table *parent; /* Automatically set */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1020 | proc_handler *proc_handler; /* Callback for text formatting */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | void *extra1; |
| 1022 | void *extra2; |
| 1023 | }; |
| 1024 | |
Eric W. Biederman | e51b6ba | 2007-11-30 23:54:00 +1100 | [diff] [blame] | 1025 | struct ctl_table_root { |
| 1026 | struct list_head root_list; |
Al Viro | 7345509 | 2008-07-14 21:22:20 -0400 | [diff] [blame] | 1027 | struct ctl_table_set default_set; |
| 1028 | struct ctl_table_set *(*lookup)(struct ctl_table_root *root, |
Eric W. Biederman | e51b6ba | 2007-11-30 23:54:00 +1100 | [diff] [blame] | 1029 | struct nsproxy *namespaces); |
Pavel Emelyanov | d7321cd | 2008-04-29 01:02:44 -0700 | [diff] [blame] | 1030 | int (*permissions)(struct ctl_table_root *root, |
| 1031 | struct nsproxy *namespaces, struct ctl_table *table); |
Eric W. Biederman | e51b6ba | 2007-11-30 23:54:00 +1100 | [diff] [blame] | 1032 | }; |
| 1033 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1034 | /* struct ctl_table_header is used to maintain dynamic lists of |
Eric W. Biederman | d8217f0 | 2007-10-18 03:05:22 -0700 | [diff] [blame] | 1035 | struct ctl_table trees. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1036 | struct ctl_table_header |
| 1037 | { |
Eric W. Biederman | d8217f0 | 2007-10-18 03:05:22 -0700 | [diff] [blame] | 1038 | struct ctl_table *ctl_table; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1039 | struct list_head ctl_entry; |
Al Viro | 330d57f | 2005-11-04 10:18:40 +0000 | [diff] [blame] | 1040 | int used; |
Al Viro | f7e6ced | 2008-07-15 01:44:23 -0400 | [diff] [blame] | 1041 | int count; |
Al Viro | 330d57f | 2005-11-04 10:18:40 +0000 | [diff] [blame] | 1042 | struct completion *unregistering; |
Eric W. Biederman | 23eb06d | 2007-11-30 23:52:10 +1100 | [diff] [blame] | 1043 | struct ctl_table *ctl_table_arg; |
Eric W. Biederman | e51b6ba | 2007-11-30 23:54:00 +1100 | [diff] [blame] | 1044 | struct ctl_table_root *root; |
Al Viro | 7345509 | 2008-07-14 21:22:20 -0400 | [diff] [blame] | 1045 | struct ctl_table_set *set; |
Al Viro | ae7edec | 2008-07-15 06:33:31 -0400 | [diff] [blame] | 1046 | struct ctl_table *attached_by; |
| 1047 | struct ctl_table *attached_to; |
| 1048 | struct ctl_table_header *parent; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1049 | }; |
| 1050 | |
Eric W. Biederman | 29e796f | 2007-11-30 23:50:18 +1100 | [diff] [blame] | 1051 | /* struct ctl_path describes where in the hierarchy a table is added */ |
| 1052 | struct ctl_path { |
| 1053 | const char *procname; |
Eric W. Biederman | 29e796f | 2007-11-30 23:50:18 +1100 | [diff] [blame] | 1054 | }; |
| 1055 | |
Eric W. Biederman | e51b6ba | 2007-11-30 23:54:00 +1100 | [diff] [blame] | 1056 | void register_sysctl_root(struct ctl_table_root *root); |
| 1057 | struct ctl_table_header *__register_sysctl_paths( |
| 1058 | struct ctl_table_root *root, struct nsproxy *namespaces, |
| 1059 | const struct ctl_path *path, struct ctl_table *table); |
Eric W. Biederman | d8217f0 | 2007-10-18 03:05:22 -0700 | [diff] [blame] | 1060 | struct ctl_table_header *register_sysctl_table(struct ctl_table * table); |
Eric W. Biederman | 29e796f | 2007-11-30 23:50:18 +1100 | [diff] [blame] | 1061 | struct ctl_table_header *register_sysctl_paths(const struct ctl_path *path, |
| 1062 | struct ctl_table *table); |
Eric W. Biederman | 0b4d414 | 2007-02-14 00:34:09 -0800 | [diff] [blame] | 1063 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1064 | void unregister_sysctl_table(struct ctl_table_header * table); |
Eric W. Biederman | e51b6ba | 2007-11-30 23:54:00 +1100 | [diff] [blame] | 1065 | int sysctl_check_table(struct nsproxy *namespaces, struct ctl_table *table); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1066 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1067 | #endif /* __KERNEL__ */ |
| 1068 | |
| 1069 | #endif /* _LINUX_SYSCTL_H */ |