Source File
	icmp_linux.go

Belonging Package
	golang.org/x/net/ipv6

// Copyright 2013 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.

package ipv6

func (f *icmpv6Filter) accept(typ ICMPType) {
	f.Data[typ>>5] &^= 1 << (uint32(typ) & 31)
}

func (f *icmpv6Filter) block(typ ICMPType) {
	f.Data[typ>>5] |= 1 << (uint32(typ) & 31)
}

func (f *icmpv6Filter) setAll(block bool) {
	for i := range f.Data {
		if block {
			f.Data[i] = 1<<32 - 1
		} else {
			f.Data[i] = 0
		}
	}
}

func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
	return f.Data[typ>>5]&(1<<(uint32(typ)&31)) != 0
}

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