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45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package packet
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// icmp6HeaderLength is the size of the ICMPv6 packet header, not
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// including the outer IP layer or the variable "response data"
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// trailer.
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const icmp6HeaderLength = 4
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// ICMP6Type is an ICMPv6 type, as specified in
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// https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml
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type ICMP6Type uint8
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const (
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ICMP6Unreachable ICMP6Type = 1
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ICMP6TimeExceeded ICMP6Type = 3
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ICMP6EchoRequest ICMP6Type = 128
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ICMP6EchoReply ICMP6Type = 129
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)
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func (t ICMP6Type) String() string {
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switch t {
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case ICMP6Unreachable:
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return "Unreachable"
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case ICMP6TimeExceeded:
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return "TimeExceeded"
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case ICMP6EchoRequest:
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return "EchoRequest"
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case ICMP6EchoReply:
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return "EchoReply"
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default:
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return "Unknown"
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}
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}
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// ICMP6Code is an ICMPv6 code, as specified in
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// https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml
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type ICMP6Code uint8
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const (
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ICMP6NoCode ICMP6Code = 0
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)
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