> > 1. TX packets are not getting an IP header checksum via the normal
> > off-loaded checksumming when in DSA mode. I have to switch off
> > NETIF_F_IP_CSUM, so the software stack generates the checksum.
> > That checksum offloading works ok when not using the 7530 DSA driver.
>
> Hmm. How do I test this?
If there are no IP checksums in the frame, the receiver will generally
drop the packet.
ethtool -k will show you what features the MAC has in terms of
offloading. So if you see NETIF_F_IP_CSUM, you know the MAC should be
doing it in hardware.
Andrew
