Re: [PATCH v2 net-next 5/9] net: ethtool: mm: sanitize some UAPI configurations

From: Simon Horman
Date: Thu Apr 20 2023 - 10:43:54 EST


On Tue, Apr 18, 2023 at 02:14:55PM +0300, Vladimir Oltean wrote:
> The verify-enabled boolean (ETHTOOL_A_MM_VERIFY_ENABLED) was intended to
> be a sub-setting of tx-enabled (ETHTOOL_A_MM_TX_ENABLED). IOW, MAC Merge
> TX can be enabled with or without verification, but verification with TX
> disabled makes no sense.
>
> The pmac-enabled boolean (ETHTOOL_A_MM_PMAC_ENABLED) was intended to be
> a global toggle from an API perspective, whereas tx-enabled just handles
> the TX direction. IOW, the pMAC can be enabled with or without TX, but
> it doesn't make sense to enable TX if the pMAC is not enabled.
>
> Add two checks which sanitize and reject these invalid cases.
>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>

Reviewed-by: Simon Horman <simon.horman@xxxxxxxxxxxx>