[PATCH 21.11] net/nfp: fix DMA error after abnormal exit

[Kevin Traynor]

On 17/11/2023 03:14, Chaoyong He wrote:
> [ upstream commit 9e442599802e788874110339901f4eeb8f0ecc3b ]
> 
> When DPDK application exit abnormally, there might have DMA error,
> and which will cause the load of firmware failed.
> 
> Fix this by force the physical port down to clear the possible DMA error.
> 
> Fixes: 896c265ef954 ("net/nfp: use new CPP interface")
> 
> Signed-off-by: Shihong Wang<shihong.wang at corigine.com>
> Signed-off-by: Peng Zhang<peng.zhang at corigine.com>
> ---
>   drivers/net/nfp/nfp_ethdev.c | 5 +++++
>   1 file changed, 5 insertions(+)

Thanks for backporting. I applied this and the other patches in the 
series to the 21.11 branch.