tcp_error (ACK_OLD, "Old ACK")
tcp_error (ACK_FUTURE, "Future ACK")
tcp_error (PKTS_SENT, "Packets sent")
-tcp_error (FILTERED_DUPACKS, "Filtered duplicate ACKs")
tcp_error (RST_SENT, "Resets sent")
tcp_error (RST_RCVD, "Resets received")
tcp_error (INVALID_CONNECTION, "Invalid connection")
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