`define ADDR_LBK_MCR                   5'h0
`define LBK_MCR_ENA_OFFSET 0
`define LBK_MCR_ENA 32'h00000001
`define LBK_MCR_CLR_OFFSET 1
`define LBK_MCR_CLR 32'h00000002
`define LBK_MCR_FDMAC_OFFSET 2
`define LBK_MCR_FDMAC 32'h00000004
`define ADDR_LBK_DMAC_L                5'h4
`define ADDR_LBK_DMAC_H                5'h8
`define ADDR_LBK_RCV_CNT               5'hc
`define ADDR_LBK_DRP_CNT               5'h10
`define ADDR_LBK_FWD_CNT               5'h14
