Re: [dpdk-dev] [PATCH v1 1/2] net/af_xdp: remove resources when port is closed

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 4/26/2019 6:09 AM, Xiaolong Ye wrote:
> Since 18.11, it is suggested that driver should release all its private
> resources at the dev_close routine. So all resources previously released
> in remove routine are now released at the dev_close routine, and the
> dev_close routine will be called in driver remove routine in order to
> support removing a device without closing its ports.
> 
> Above behavior changes are supported by setting RTE_ETH_DEV_CLOSE_REMOVE
> flag during probe stage.
> 
> Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>

<...>

> @@ -936,14 +940,7 @@ rte_pmd_af_xdp_remove(struct rte_vdev_device *dev)
>  	if (eth_dev == NULL)
>  		return -1;
>  
> -	internals = eth_dev->data->dev_private;
> -
> -	rte_ring_free(internals->umem->buf_ring);
> -	rte_memzone_free(internals->umem->mz);
> -	rte_free(internals->umem);
> -
> -	rte_eth_dev_release_port(eth_dev);

I thinks we should keep 'rte_eth_dev_release_port()' in '.remove()' path,
the 'RTE_ETH_DEV_CLOSE_REMOVE' flag will take care of this in
'rte_eth_dev_close()' but still needed in  '.remove()' path.

> -
> +	eth_dev_close(eth_dev);
>  
>  	return 0;
>  }
>