Fix for simulation error. Irrelevant in real application.

hdl/ueth_dma.vhd

@@ -163,6 +163,10 @@ begin
         rx_descriptor0.int_flag <= '0';
         rx_descriptor1.int_flag <= '0';
         tx_descriptor.int_flag  <= '0';
+   	tx_descriptor.size <= (others => '0');
+        tx_descriptor.addr <= (others => '0');
+        tx_descriptor.fifo_flow_error <= '0';
+     
         mii_rd_o <= '0';
         rst_mac_o <= '1';