menuconfig ETHERNET
    bool "Enable Ethernet"
    default n
    help
        Enable this option to enable ethernet driver and show the menu with ethernet features.
        

config DMA_RX_BUF_NUM
    int "Dma Rx Buf Num"
    default  10
    depends on ETHERNET
    help
        Dma rx buf num ,can not be 0 .

config DMA_TX_BUF_NUM
    int "Dma Tx Buf Num"
    default 10
    depends on ETHERNET
    help
        Dma tx Buf num ,can not be 0.