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

[Thomas Monjalon]

29/04/2019 19:00, Ferruh Yigit:
> 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 at 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.

I don't understand your comment.
Calling the close function looks the right thing to do in "remove".

> > -
> > +	eth_dev_close(eth_dev);