mirror of
https://github.com/octoleo/restic.git
synced 2024-12-25 12:09:59 +00:00
24 lines
553 B
Go
24 lines
553 B
Go
|
// 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
|
||
|
|
}
|