Re: [PATCH net-next v11 01/10] selftests: forwarding: ethtool_mm: support devices with higher rx-min-frag-size

Vladimir Oltean
2023-12-21T15:25:28Z

On Tue, Dec 19, 2023 at 12:57:56PM +0200, Roger Quadros wrote:
> From: Vladimir Oltean <vladimir.oltean@nxp.com>
>
> Some devices have errata due to which they cannot report ETH_ZLEN (60)
> in the rx-min-frag-size. This was foreseen of course, and lldpad has
> logic that when we request it to advertise addFragSize 0, it will round
> it up to the lowest value that is _actually_ supported by the hardware.
>
> The problem is that the selftest expects lldpad to report back to us the
> same value as we requested.
>
> Make the selftest smarter by figuring out on its own what is a
> reasonable value to expect.
>
> Cc: Shuah Khan <shuah@kernel.org>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
> Tested-by: Roger Quadros <rogerq@kernel.org>
> Signed-off-by: Roger Quadros <rogerq@kernel.org>
> ---

Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>