[PATCH] net/nfp: support 48-bit DMA address for firmware with NFDk

[Ferruh Yigit]

On 2/8/2023 9:15 AM, Chaoyong He wrote:
> From: Peng Zhang <peng.zhang at corigine.com>
> 
> 48-bit DMA address is supported in the firmware with NFDk, so enable
> this feature in PMD now. But the firmware with NFD3 still just
> support 40-bit DMA address.
> 
> RX free list descriptor, used by both NFD3 and NFDk, is also modified
> to support 48-bit DMA address. That's OK because the top bits is always
> set to 0 when assigned with 40-bit DMA address.
> 
> Fixes: c73dced48c8c ("net/nfp: add NFDk Tx")
> Cc: jin.liu at corigine.com
> Cc: stable at dpdk.org
> 

Why a backport is requested? As far as I understand this is not fixing
anything but extending device capability. Is this a fix?

> Signed-off-by: Peng Zhang <peng.zhang at corigine.com>
> Reviewed-by: Chaoyong He <chaoyong.he at corigine.com>
> Reviewed-by: Niklas Söderlund <niklas.soderlund at corigine.com>