3 files changed, 6 insertions, 6 deletions
diff --git a/pkg/tcpip/network/ip_test.go b/pkg/tcpip/network/ip_test.go
index 576792234..12c16fde4 100644
--- a/pkg/tcpip/network/ip_test.go
+++ b/pkg/tcpip/network/ip_test.go
@@ -1227,7 +1227,7 @@ func TestWriteHeaderIncludedPacket(t *testing.T) {
 			nicAddr:      localIPv4Addr,
 			remoteAddr:   remoteIPv4Addr,
 			pktGen: func(t *testing.T, src tcpip.Address) buffer.VectorisedView {
-				ipHdrLen := header.IPv4MinimumSize + ipv4Options.AllocationSize()
+				ipHdrLen := header.IPv4MinimumSize + ipv4Options.SizeWithPadding()
 				totalLen := ipHdrLen + len(data)
 				hdr := buffer.NewPrependable(totalLen)
 				if n := copy(hdr.Prepend(len(data)), data); n != len(data) {
@@ -1272,7 +1272,7 @@ func TestWriteHeaderIncludedPacket(t *testing.T) {
 			nicAddr:      localIPv4Addr,
 			remoteAddr:   remoteIPv4Addr,
 			pktGen: func(t *testing.T, src tcpip.Address) buffer.VectorisedView {
-				ip := header.IPv4(make([]byte, header.IPv4MinimumSize+ipv4Options.AllocationSize()))
+				ip := header.IPv4(make([]byte, header.IPv4MinimumSize+ipv4Options.SizeWithPadding()))
 				ip.Encode(&header.IPv4Fields{
 					Protocol: transportProto,
 					TTL:      ipv4.DefaultTTL,
diff --git a/pkg/tcpip/network/ipv4/ipv4.go b/pkg/tcpip/network/ipv4/ipv4.go
index 0af646df9..0c828004a 100644
--- a/pkg/tcpip/network/ipv4/ipv4.go
+++ b/pkg/tcpip/network/ipv4/ipv4.go
@@ -206,12 +206,12 @@ func (e *endpoint) addIPHeader(r *stack.Route, pkt *stack.PacketBuffer, params s
 		if opts, ok = params.Options.(header.IPv4Options); !ok {
 			panic(fmt.Sprintf("want IPv4Options, got %T", params.Options))
 		}
-		hdrLen += opts.AllocationSize()
+		hdrLen += opts.SizeWithPadding()
 		if hdrLen > header.IPv4MaximumHeaderSize {
 			// Since we have no way to report an error we must either panic or create
 			// a packet which is different to what was requested. Choose panic as this
 			// would be a programming error that should be caught in testing.
-			panic(fmt.Sprintf("IPv4 Options %d bytes, Max %d", params.Options.AllocationSize(), header.IPv4MaximumOptionsSize))
+			panic(fmt.Sprintf("IPv4 Options %d bytes, Max %d", params.Options.SizeWithPadding(), header.IPv4MaximumOptionsSize))
 		}
 	}
 	ip := header.IPv4(pkt.NetworkHeader().Push(hdrLen))
diff --git a/pkg/tcpip/network/ipv4/ipv4_test.go b/pkg/tcpip/network/ipv4/ipv4_test.go
index 2abfccbf3..a7100b971 100644
--- a/pkg/tcpip/network/ipv4/ipv4_test.go
+++ b/pkg/tcpip/network/ipv4/ipv4_test.go
@@ -167,7 +167,7 @@ func TestIPv4EncodeOptions(t *testing.T) {
 	}
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			paddedOptionLength := test.options.AllocationSize()
+			paddedOptionLength := test.options.SizeWithPadding()
 			ipHeaderLength := header.IPv4MinimumSize + paddedOptionLength
 			if ipHeaderLength > header.IPv4MaximumHeaderSize {
 				t.Fatalf("IP header length too large: got = %d, want <= %d ", ipHeaderLength, header.IPv4MaximumHeaderSize)
@@ -706,7 +706,7 @@ func TestIPv4Sanity(t *testing.T) {
 				},
 			})
 
-			paddedOptionLength := test.options.AllocationSize()
+			paddedOptionLength := test.options.SizeWithPadding()
 			ipHeaderLength := header.IPv4MinimumSize + paddedOptionLength
 			if ipHeaderLength > header.IPv4MaximumHeaderSize {
 				t.Fatalf("IP header length too large: got = %d, want <= %d ", ipHeaderLength, header.IPv4MaximumHeaderSize)