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- // Copyright 2018 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 Darwin
- package syscall
- import (
- "unsafe"
- )
- // Deprecated: Use golang.org/x/net/bpf instead.
- func BpfStmt(code, k int) *BpfInsn {
- return &BpfInsn{Code: uint16(code), K: uint32(k)}
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func BpfJump(code, k, jt, jf int) *BpfInsn {
- return &BpfInsn{Code: uint16(code), Jt: uint8(jt), Jf: uint8(jf), K: uint32(k)}
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func BpfBuflen(fd int) (int, error) {
- var l int
- err := ioctlPtr(fd, BIOCGBLEN, unsafe.Pointer(&l))
- if err != nil {
- return 0, err
- }
- return l, nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func SetBpfBuflen(fd, l int) (int, error) {
- err := ioctlPtr(fd, BIOCSBLEN, unsafe.Pointer(&l))
- if err != nil {
- return 0, err
- }
- return l, nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func BpfDatalink(fd int) (int, error) {
- var t int
- err := ioctlPtr(fd, BIOCGDLT, unsafe.Pointer(&t))
- if err != nil {
- return 0, err
- }
- return t, nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func SetBpfDatalink(fd, t int) (int, error) {
- err := ioctlPtr(fd, BIOCSDLT, unsafe.Pointer(&t))
- if err != nil {
- return 0, err
- }
- return t, nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func SetBpfPromisc(fd, m int) error {
- err := ioctlPtr(fd, BIOCPROMISC, unsafe.Pointer(&m))
- if err != nil {
- return err
- }
- return nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func FlushBpf(fd int) error {
- err := ioctlPtr(fd, BIOCFLUSH, nil)
- if err != nil {
- return err
- }
- return nil
- }
- type ivalue struct {
- name [IFNAMSIZ]byte
- value int16
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func BpfInterface(fd int, name string) (string, error) {
- var iv ivalue
- err := ioctlPtr(fd, BIOCGETIF, unsafe.Pointer(&iv))
- if err != nil {
- return "", err
- }
- return name, nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func SetBpfInterface(fd int, name string) error {
- var iv ivalue
- copy(iv.name[:], []byte(name))
- err := ioctlPtr(fd, BIOCSETIF, unsafe.Pointer(&iv))
- if err != nil {
- return err
- }
- return nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func BpfTimeout(fd int) (*Timeval, error) {
- var tv Timeval
- err := ioctlPtr(fd, BIOCGRTIMEOUT, unsafe.Pointer(&tv))
- if err != nil {
- return nil, err
- }
- return &tv, nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func SetBpfTimeout(fd int, tv *Timeval) error {
- err := ioctlPtr(fd, BIOCSRTIMEOUT, unsafe.Pointer(tv))
- if err != nil {
- return err
- }
- return nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func BpfStats(fd int) (*BpfStat, error) {
- var s BpfStat
- err := ioctlPtr(fd, BIOCGSTATS, unsafe.Pointer(&s))
- if err != nil {
- return nil, err
- }
- return &s, nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func SetBpfImmediate(fd, m int) error {
- err := ioctlPtr(fd, BIOCIMMEDIATE, unsafe.Pointer(&m))
- if err != nil {
- return err
- }
- return nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func SetBpf(fd int, i []BpfInsn) error {
- var p BpfProgram
- p.Len = uint32(len(i))
- p.Insns = (*BpfInsn)(unsafe.Pointer(&i[0]))
- err := ioctlPtr(fd, BIOCSETF, unsafe.Pointer(&p))
- if err != nil {
- return err
- }
- return nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func CheckBpfVersion(fd int) error {
- var v BpfVersion
- err := ioctlPtr(fd, BIOCVERSION, unsafe.Pointer(&v))
- if err != nil {
- return err
- }
- if v.Major != BPF_MAJOR_VERSION || v.Minor != BPF_MINOR_VERSION {
- return EINVAL
- }
- return nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func BpfHeadercmpl(fd int) (int, error) {
- var f int
- err := ioctlPtr(fd, BIOCGHDRCMPLT, unsafe.Pointer(&f))
- if err != nil {
- return 0, err
- }
- return f, nil
- }
- // Deprecated: Use golang.org/x/net/bpf instead.
- func SetBpfHeadercmpl(fd, f int) error {
- err := ioctlPtr(fd, BIOCSHDRCMPLT, unsafe.Pointer(&f))
- if err != nil {
- return err
- }
- return nil
- }
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