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- // 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.
-
- // +build darwin dragonfly freebsd netbsd openbsd
-
- package ipv6
-
- func (f *icmpv6Filter) accept(typ ICMPType) {
- f.Filt[typ>>5] |= 1 << (uint32(typ) & 31)
- }
-
- func (f *icmpv6Filter) block(typ ICMPType) {
- f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31)
- }
-
- func (f *icmpv6Filter) setAll(block bool) {
- for i := range f.Filt {
- if block {
- f.Filt[i] = 0
- } else {
- f.Filt[i] = 1<<32 - 1
- }
- }
- }
-
- func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
- return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0
- }
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