On Tue, Jul 30, 2024 at 09:39:02AM +0530, Parthiban Veerasooran wrote:
> SPI rx data buffer can contain one or more receive data chunks. A receive
> data chunk consists a 64 bytes receive data chunk payload followed a
> 4 bytes data footer at the end. The data footer contains the information
> needed to determine the validity and location of the receive frame data
> within the receive data chunk payload and the host can use these
> information to generate ethernet frame. Initially the receive chunks
> available will be updated from the buffer status register and then it
> will be updated from the footer received on each spi data transfer. Tx
> data valid or empty chunks equal to the number receive chunks available
> will be transmitted in the MOSI to receive all the rx chunks.
> Additionally the receive data footer contains the below information as
> well. The received footer will be examined for the receive errors if any.
>
> Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@xxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Andrew
