Initial commit: Go 1.23 release state

src/syscall/bpf_bsd.go

@@ -0,0 +1,187 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+// Berkeley packet filter for BSD variants
+
+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
+}