From: Eric Nelson
> Sent: 24 September 2016 15:42
> The FEC receive accelerator (RACC) supports shifting the data payload of
> received packets by 16-bits, which aligns the payload (IP header) on a
> 4-byte boundary, which is, if not required, at least strongly suggested
> by the Linux networking layer.
...
> + /* align IP header */
> + val |= FEC_RACC_SHIFT16;
I can't help feeling that there needs to be corresponding
changes to increase the buffer size by 2 (maybe for large mtu)
and to discard two bytes from the frame length.
If probably ought to be predicated on NET_IP_ALIGN as well.
David
