tcp_error (PAWS, "PAWS check failed")
tcp_error (RCV_WND, "Segment not in receive window")
tcp_error (FIN_RCVD, "FINs received")
-tcp_error (LINK_LOCAL_RW, "No rewrite for link local connection")
\ No newline at end of file
+tcp_error (LINK_LOCAL_RW, "No rewrite for link local connection")
+tcp_error (ZERO_RWND, "Zero receive window")
\ No newline at end of file