Re: [PATCH net-next v3 01/12] Documentation: networking: add OPEN Alliance 10BASE-T1x MAC-PHY serial interface

Andrew Lunn
2024-03-06T13:22:55Z

> +NORX (Bit 29) - No Receive flag. The SPI host may set this bit to prevent
> + the MAC-PHY from conveying RX data on the MISO for the
> + current chunk (DV = 0 in the footer), indicating that the
> + host would not process it. Typically, the SPI host should
> + set NORX = 0 indicating that it will accept and process
> + any receive frame data within the current chunk.
> +
> +RSVD (Bit 28..24) - Reserved: All reserved bits shall be ‘0’.
> +
> +VS (Bit 23..22) - Vendor Specific. These bits are implementation specific.
> + If the MAC-PHY does not implement these bits, the host
> + shall set them to ‘0’.
> +
> +DV (Bit 21) - Data Valid flag. The SPI host uses this bit to indicate
> + whether the current chunk contains valid transmit frame data
> + (DV = 1) or not (DV = 0). When ‘0’, the MAC-PHY ignores the
> + chunk payload. Note that the receive path is unaffected by
> + the setting of the DV bit in the data header.

There is some odd indentation going on here. Maybe tab vs spaces?

Otherwise, this is nice documentation. Thanks.

Andrew