summaryrefslogtreecommitdiff
path: root/vendor/golang.org/x/net/icmp/ipv6.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/golang.org/x/net/icmp/ipv6.go')
-rw-r--r--vendor/golang.org/x/net/icmp/ipv6.go23
1 files changed, 23 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/icmp/ipv6.go b/vendor/golang.org/x/net/icmp/ipv6.go
new file mode 100644
index 0000000..2e8cfeb
--- /dev/null
+++ b/vendor/golang.org/x/net/icmp/ipv6.go
@@ -0,0 +1,23 @@
+// 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 icmp
+
+import (
+ "net"
+
+ "golang.org/x/net/internal/iana"
+)
+
+const ipv6PseudoHeaderLen = 2*net.IPv6len + 8
+
+// IPv6PseudoHeader returns an IPv6 pseudo header for checksum
+// calculation.
+func IPv6PseudoHeader(src, dst net.IP) []byte {
+ b := make([]byte, ipv6PseudoHeaderLen)
+ copy(b, src.To16())
+ copy(b[net.IPv6len:], dst.To16())
+ b[len(b)-1] = byte(iana.ProtocolIPv6ICMP)
+ return b
+}