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icmp_solaris.go (663B)

      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 package ipv6
      6 
      7 func (f *icmpv6Filter) accept(typ ICMPType) {
      8 	f.X__icmp6_filt[typ>>5] |= 1 << (uint32(typ) & 31)
      9 }
     10 
     11 func (f *icmpv6Filter) block(typ ICMPType) {
     12 	f.X__icmp6_filt[typ>>5] &^= 1 << (uint32(typ) & 31)
     13 }
     14 
     15 func (f *icmpv6Filter) setAll(block bool) {
     16 	for i := range f.X__icmp6_filt {
     17 		if block {
     18 			f.X__icmp6_filt[i] = 0
     19 		} else {
     20 			f.X__icmp6_filt[i] = 1<<32 - 1
     21 		}
     22 	}
     23 }
     24 
     25 func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
     26 	return f.X__icmp6_filt[typ>>5]&(1<<(uint32(typ)&31)) == 0
     27 }