1 files changed, 10 insertions, 7 deletions
diff --git a/src/ip.go b/src/ip.go
index a9685ad..36beb9c 100644
--- a/src/ip.go
+++ b/src/ip.go
@@ -5,14 +5,17 @@ import (
 )
 
 const (
-	IPv4version    = 4
-	IPv4offsetSrc  = 12
-	IPv4offsetDst  = IPv4offsetSrc + net.IPv4len
-	IPv4headerSize = 20
+	IPv4version           = 4
+	IPv4offsetTotalLength = 2
+	IPv4offsetSrc         = 12
+	IPv4offsetDst         = IPv4offsetSrc + net.IPv4len
+	IPv4headerSize        = 20
 )
 
 const (
-	IPv6version   = 6
-	IPv6offsetSrc = 8
-	IPv6offsetDst = IPv6offsetSrc + net.IPv6len
+	IPv6version             = 6
+	IPv6offsetPayloadLength = 4
+	IPv6offsetSrc           = 8
+	IPv6offsetDst           = IPv6offsetSrc + net.IPv6len
+	IPv6headerSize          = 40
 )