diff options
Diffstat (limited to 'src/pkg/syscall/bpf_bsd.go')
-rw-r--r-- | src/pkg/syscall/bpf_bsd.go | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/src/pkg/syscall/bpf_bsd.go b/src/pkg/syscall/bpf_bsd.go deleted file mode 100644 index 1eac9a3d8..000000000 --- a/src/pkg/syscall/bpf_bsd.go +++ /dev/null @@ -1,167 +0,0 @@ -// Copyright 2011 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Berkeley packet filter for BSD variants - -package syscall - -import ( - "unsafe" -) - -func BpfStmt(code, k int) *BpfInsn { - return &BpfInsn{Code: uint16(code), K: uint32(k)} -} - -func BpfJump(code, k, jt, jf int) *BpfInsn { - return &BpfInsn{Code: uint16(code), Jt: uint8(jt), Jf: uint8(jf), K: uint32(k)} -} - -func BpfBuflen(fd int) (int, int) { - var l int - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCGBLEN, uintptr(unsafe.Pointer(&l))) - if e := int(ep); e != 0 { - return 0, e - } - return l, 0 -} - -func SetBpfBuflen(fd, l int) (int, int) { - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCSBLEN, uintptr(unsafe.Pointer(&l))) - if e := int(ep); e != 0 { - return 0, e - } - return l, 0 -} - -func BpfDatalink(fd int) (int, int) { - var t int - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCGDLT, uintptr(unsafe.Pointer(&t))) - if e := int(ep); e != 0 { - return 0, e - } - return t, 0 -} - -func SetBpfDatalink(fd, t int) (int, int) { - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCSDLT, uintptr(unsafe.Pointer(&t))) - if e := int(ep); e != 0 { - return 0, e - } - return t, 0 -} - -func SetBpfPromisc(fd, m int) int { - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCPROMISC, uintptr(unsafe.Pointer(&m))) - if e := int(ep); e != 0 { - return e - } - return 0 -} - -func FlushBpf(fd int) int { - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCFLUSH, 0) - if e := int(ep); e != 0 { - return e - } - return 0 -} - -type ivalue struct { - name [IFNAMSIZ]byte - value int16 -} - -func BpfInterface(fd int, name string) (string, int) { - var iv ivalue - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCGETIF, uintptr(unsafe.Pointer(&iv))) - if e := int(ep); e != 0 { - return "", e - } - return name, 0 -} - -func SetBpfInterface(fd int, name string) int { - var iv ivalue - copy(iv.name[:], []byte(name)) - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCSETIF, uintptr(unsafe.Pointer(&iv))) - if e := int(ep); e != 0 { - return e - } - return 0 -} - -func BpfTimeout(fd int) (*Timeval, int) { - var tv Timeval - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCGRTIMEOUT, uintptr(unsafe.Pointer(&tv))) - if e := int(ep); e != 0 { - return nil, e - } - return &tv, 0 -} - -func SetBpfTimeout(fd int, tv *Timeval) int { - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCSRTIMEOUT, uintptr(unsafe.Pointer(tv))) - if e := int(ep); e != 0 { - return e - } - return 0 -} - -func BpfStats(fd int) (*BpfStat, int) { - var s BpfStat - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCGSTATS, uintptr(unsafe.Pointer(&s))) - if e := int(ep); e != 0 { - return nil, e - } - return &s, 0 -} - -func SetBpfImmediate(fd, m int) int { - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCIMMEDIATE, uintptr(unsafe.Pointer(&m))) - if e := int(ep); e != 0 { - return e - } - return 0 -} - -func SetBpf(fd int, i []BpfInsn) int { - var p BpfProgram - p.Len = uint32(len(i)) - p.Insns = (*BpfInsn)(unsafe.Pointer(&i[0])) - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCSETF, uintptr(unsafe.Pointer(&p))) - if e := int(ep); e != 0 { - return e - } - return 0 -} - -func CheckBpfVersion(fd int) int { - var v BpfVersion - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCVERSION, uintptr(unsafe.Pointer(&v))) - if e := int(ep); e != 0 { - return e - } - if v.Major != BPF_MAJOR_VERSION || v.Minor != BPF_MINOR_VERSION { - return EINVAL - } - return 0 -} - -func BpfHeadercmpl(fd int) (int, int) { - var f int - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCGHDRCMPLT, uintptr(unsafe.Pointer(&f))) - if e := int(ep); e != 0 { - return 0, e - } - return f, 0 -} - -func SetBpfHeadercmpl(fd, f int) int { - _, _, ep := Syscall(SYS_IOCTL, uintptr(fd), BIOCSHDRCMPLT, uintptr(unsafe.Pointer(&f))) - if e := int(ep); e != 0 { - return e - } - return 0 -} |