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author | nybidari <59618317+nybidari@users.noreply.github.com> | 2020-02-25 15:33:59 -0800 |
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committer | GitHub <noreply@github.com> | 2020-02-25 15:33:59 -0800 |
commit | 818abc2bd5096bf7dc6f621cfd2923bee4e0fc7b (patch) | |
tree | 0f7f90cecb6afc332a3229651eba4da391a46b41 /pkg/abi/linux/ioctl.go | |
parent | acc405ba60834f5dce9ce04cd762d5cda02224cb (diff) | |
parent | 72e3f3a3eef3a1dc02db0ff71f98a5d7fe89a6e3 (diff) |
Merge branch 'master' into iptables
Diffstat (limited to 'pkg/abi/linux/ioctl.go')
-rw-r--r-- | pkg/abi/linux/ioctl.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/pkg/abi/linux/ioctl.go b/pkg/abi/linux/ioctl.go index 0e18db9ef..2062e6a4b 100644 --- a/pkg/abi/linux/ioctl.go +++ b/pkg/abi/linux/ioctl.go @@ -72,3 +72,29 @@ const ( SIOCGMIIPHY = 0x8947 SIOCGMIIREG = 0x8948 ) + +// ioctl(2) directions. Used to calculate requests number. +// Constants from asm-generic/ioctl.h. +const ( + _IOC_NONE = 0 + _IOC_WRITE = 1 + _IOC_READ = 2 +) + +// Constants from asm-generic/ioctl.h. +const ( + _IOC_NRBITS = 8 + _IOC_TYPEBITS = 8 + _IOC_SIZEBITS = 14 + _IOC_DIRBITS = 2 + + _IOC_NRSHIFT = 0 + _IOC_TYPESHIFT = _IOC_NRSHIFT + _IOC_NRBITS + _IOC_SIZESHIFT = _IOC_TYPESHIFT + _IOC_TYPEBITS + _IOC_DIRSHIFT = _IOC_SIZESHIFT + _IOC_SIZEBITS +) + +// IOC outputs the result of _IOC macro in asm-generic/ioctl.h. +func IOC(dir, typ, nr, size uint32) uint32 { + return uint32(dir)<<_IOC_DIRSHIFT | typ<<_IOC_TYPESHIFT | nr<<_IOC_NRSHIFT | size<<_IOC_SIZESHIFT +} |