[PATCH v2] net/intel: improve Rx descriptor ring size checks

[Bruce Richardson]

On Mon, Dec 15, 2025 at 06:43:42PM +0000, Bruce Richardson wrote:
> The default Rx ring size checks did not account for the fact that the
> port would not work correctly if the Rx ring size was only twice the
> free threshold size or less, so add in a new check for this. This would
> generally only apply in cases where very small rings sizes are being
> used, for example, with default Rx free thresh of 32, only ring size of
> 64 would cause issues.
> 
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>

Recheck-request: rebase=next-net-intel, iol-compile-arm64-testing