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23 lines
549 B
23 lines
549 B
// 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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// +build linux |
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package ipv6 |
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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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) |
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func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error { |
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prog := sockFProg{ |
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Len: uint16(len(f)), |
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Filter: (*sockFilter)(unsafe.Pointer(&f[0])), |
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} |
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b := (*[sizeofSockFprog]byte)(unsafe.Pointer(&prog))[:sizeofSockFprog] |
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return so.Set(c, b) |
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}
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