From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- src/syscall/bpf_bsd.go | 187 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 187 insertions(+) create mode 100644 src/syscall/bpf_bsd.go (limited to 'src/syscall/bpf_bsd.go') diff --git a/src/syscall/bpf_bsd.go b/src/syscall/bpf_bsd.go new file mode 100644 index 0000000..f67ee60 --- /dev/null +++ b/src/syscall/bpf_bsd.go @@ -0,0 +1,187 @@ +// 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. + +// +build 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 := Syscall(SYS_IOCTL, uintptr(fd), BIOCGBLEN, uintptr(unsafe.Pointer(&l))) + if err != 0 { + return 0, Errno(err) + } + return l, nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func SetBpfBuflen(fd, l int) (int, error) { + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCSBLEN, uintptr(unsafe.Pointer(&l))) + if err != 0 { + return 0, Errno(err) + } + return l, nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func BpfDatalink(fd int) (int, error) { + var t int + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCGDLT, uintptr(unsafe.Pointer(&t))) + if err != 0 { + return 0, Errno(err) + } + return t, nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func SetBpfDatalink(fd, t int) (int, error) { + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCSDLT, uintptr(unsafe.Pointer(&t))) + if err != 0 { + return 0, Errno(err) + } + return t, nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func SetBpfPromisc(fd, m int) error { + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCPROMISC, uintptr(unsafe.Pointer(&m))) + if err != 0 { + return Errno(err) + } + return nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func FlushBpf(fd int) error { + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCFLUSH, 0) + if err != 0 { + return Errno(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 := Syscall(SYS_IOCTL, uintptr(fd), BIOCGETIF, uintptr(unsafe.Pointer(&iv))) + if err != 0 { + return "", Errno(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 := Syscall(SYS_IOCTL, uintptr(fd), BIOCSETIF, uintptr(unsafe.Pointer(&iv))) + if err != 0 { + return Errno(err) + } + return nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func BpfTimeout(fd int) (*Timeval, error) { + var tv Timeval + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCGRTIMEOUT, uintptr(unsafe.Pointer(&tv))) + if err != 0 { + return nil, Errno(err) + } + return &tv, nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func SetBpfTimeout(fd int, tv *Timeval) error { + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCSRTIMEOUT, uintptr(unsafe.Pointer(tv))) + if err != 0 { + return Errno(err) + } + return nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func BpfStats(fd int) (*BpfStat, error) { + var s BpfStat + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCGSTATS, uintptr(unsafe.Pointer(&s))) + if err != 0 { + return nil, Errno(err) + } + return &s, nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func SetBpfImmediate(fd, m int) error { + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCIMMEDIATE, uintptr(unsafe.Pointer(&m))) + if err != 0 { + return Errno(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 := Syscall(SYS_IOCTL, uintptr(fd), BIOCSETF, uintptr(unsafe.Pointer(&p))) + if err != 0 { + return Errno(err) + } + return nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func CheckBpfVersion(fd int) error { + var v BpfVersion + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCVERSION, uintptr(unsafe.Pointer(&v))) + if err != 0 { + return Errno(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 := Syscall(SYS_IOCTL, uintptr(fd), BIOCGHDRCMPLT, uintptr(unsafe.Pointer(&f))) + if err != 0 { + return 0, Errno(err) + } + return f, nil +} + +// Deprecated: Use golang.org/x/net/bpf instead. +func SetBpfHeadercmpl(fd, f int) error { + _, _, err := Syscall(SYS_IOCTL, uintptr(fd), BIOCSHDRCMPLT, uintptr(unsafe.Pointer(&f))) + if err != 0 { + return Errno(err) + } + return nil +} -- cgit v1.2.3