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-rw-r--r--pkg/tcpip/stack/packet_buffer.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/tcpip/stack/packet_buffer.go b/pkg/tcpip/stack/packet_buffer.go
index 9d4fc3e48..4f013b212 100644
--- a/pkg/tcpip/stack/packet_buffer.go
+++ b/pkg/tcpip/stack/packet_buffer.go
@@ -187,6 +187,12 @@ func (pk *PacketBuffer) Size() int {
return pk.HeaderSize() + pk.Data.Size()
}
+// MemSize returns the estimation size of the pk in memory, including backing
+// buffer data.
+func (pk *PacketBuffer) MemSize() int {
+ return pk.HeaderSize() + pk.Data.MemSize() + packetBufferStructSize
+}
+
// Views returns the underlying storage of the whole packet.
func (pk *PacketBuffer) Views() []buffer.View {
// Optimization for outbound packets that headers are in pk.header.