diff options
Diffstat (limited to 'pkg/tcpip/header/icmpv4.go')
| -rw-r--r-- | pkg/tcpip/header/icmpv4.go | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/pkg/tcpip/header/icmpv4.go b/pkg/tcpip/header/icmpv4.go index c081de61f..c52c0d851 100644 --- a/pkg/tcpip/header/icmpv4.go +++ b/pkg/tcpip/header/icmpv4.go @@ -24,15 +24,11 @@ import ( type ICMPv4 []byte const ( - // ICMPv4MinimumSize is the minimum size of a valid ICMP packet. - ICMPv4MinimumSize = 4 - - // ICMPv4EchoMinimumSize is the minimum size of a valid ICMP echo packet. - ICMPv4EchoMinimumSize = 6 + // ICMPv4PayloadOffset defines the start of ICMP payload. + ICMPv4PayloadOffset = 4 - // ICMPv4DstUnreachableMinimumSize is the minimum size of a valid ICMP - // destination unreachable packet. - ICMPv4DstUnreachableMinimumSize = ICMPv4MinimumSize + 4 + // ICMPv4MinimumSize is the minimum size of a valid ICMP packet. + ICMPv4MinimumSize = 8 // ICMPv4ProtocolNumber is the ICMP transport protocol number. ICMPv4ProtocolNumber tcpip.TransportProtocolNumber = 1 @@ -104,5 +100,5 @@ func (ICMPv4) SetDestinationPort(uint16) { // Payload implements Transport.Payload. func (b ICMPv4) Payload() []byte { - return b[ICMPv4MinimumSize:] + return b[ICMPv4PayloadOffset:] } |