On Tue, 18 Jan 2022 11:22:04 +0100 Ard Biesheuvel wrote:
> Both versions of the CPSW driver declare a CPSW_HEADROOM_NA macro that
> takes NET_IP_ALIGN into account, but fail to use it appropriately when
> storing incoming packets in memory. This results in the IPv4 source and
> destination addresses to appear misaligned in memory, which causes
> aligment faults that need to be fixed up in software.
>
> So let's switch from CPSW_HEADROOM to CPSW_HEADROOM_NA where needed.
> This gets rid of any alignment faults on the RX path on a Beaglebone
> White.
>
> Cc: Grygorii Strashko <grygorii.strashko@xxxxxx>
> Cc: Ilias Apalodimas <ilias.apalodimas@xxxxxxxxxx>
> Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
Fixes: 9ed4050c0d75 ("net: ethernet: ti: cpsw: add XDP support")
right?
