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5f55cee0dc
Make all our package sources use Go 1.17 gofmt format (adding //go:build lines). Not strictly necessary but will avoid spurious changes as files are edited. Part of //go:build change (#41184). See https://golang.org/design/draft-gobuild Change-Id: I5b2b7d93424e828a3c5f76ae3f30ab825aca388e Reviewed-on: https://go-review.googlesource.com/c/net/+/294371 Trust: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com> Reviewed-by: Ian Lance Taylor <iant@golang.org>
26 lines
611 B
Go
26 lines
611 B
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build linux
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// +build linux
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package ipv4
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import (
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"unsafe"
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"golang.org/x/net/bpf"
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"golang.org/x/net/internal/socket"
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"golang.org/x/sys/unix"
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)
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func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error {
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prog := unix.SockFprog{
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Len: uint16(len(f)),
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Filter: (*unix.SockFilter)(unsafe.Pointer(&f[0])),
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}
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b := (*[unix.SizeofSockFprog]byte)(unsafe.Pointer(&prog))[:unix.SizeofSockFprog]
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return so.Set(c, b)
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}
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