1// Copyright 2013 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd
6// +build aix darwin dragonfly freebsd netbsd openbsd
7
8package ipv6
9
10func (f *icmpv6Filter) accept(typ ICMPType) {
11	f.Filt[typ>>5] |= 1 << (uint32(typ) & 31)
12}
13
14func (f *icmpv6Filter) block(typ ICMPType) {
15	f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31)
16}
17
18func (f *icmpv6Filter) setAll(block bool) {
19	for i := range f.Filt {
20		if block {
21			f.Filt[i] = 0
22		} else {
23			f.Filt[i] = 1<<32 - 1
24		}
25	}
26}
27
28func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
29	return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0
30}
31