Internal change.

PiperOrigin-RevId: 258424489

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:]
 }