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Diffstat (limited to 'vendor/golang.org/x/net/ipv4/icmp_linux.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/icmp_linux.go25
1 files changed, 25 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv4/icmp_linux.go b/vendor/golang.org/x/net/ipv4/icmp_linux.go
new file mode 100644
index 0000000..6e1c5c8
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/icmp_linux.go
@@ -0,0 +1,25 @@
+// Copyright 2014 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 ipv4
+
+func (f *icmpFilter) accept(typ ICMPType) {
+ f.Data &^= 1 << (uint32(typ) & 31)
+}
+
+func (f *icmpFilter) block(typ ICMPType) {
+ f.Data |= 1 << (uint32(typ) & 31)
+}
+
+func (f *icmpFilter) setAll(block bool) {
+ if block {
+ f.Data = 1<<32 - 1
+ } else {
+ f.Data = 0
+ }
+}
+
+func (f *icmpFilter) willBlock(typ ICMPType) bool {
+ return f.Data&(1<<(uint32(typ)&31)) != 0
+}