[ovs-dev] [PATCH V3 2/2] netdev-dpdk: Remove usage of RTE_ETH_DEV_CLOSE_REMOVE flag

Ilya Maximets i.maximets at ovn.org
Wed Oct 14 14:25:37 UTC 2020


On 10/14/20 4:05 PM, Eli Britstein wrote:
> Following DPDK commit [1], RTE_ETH_DEV_CLOSE_REMOVE flag is obsolete.
> Behavior is equivalent to "always on". Remove the usage of that flag.
> 
> [1] 638d40ba9622 ("ethdev: remove old close behaviour")
> 
> Signed-off-by: Eli Britstein <elibr at nvidia.com>
> ---

This change is for dpdk-latest, right?  DPDK patch is not in 19.11.

>  lib/netdev-dpdk.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c
> index c048aaa75..76eec449a 100644
> --- a/lib/netdev-dpdk.c
> +++ b/lib/netdev-dpdk.c
> @@ -1447,7 +1447,6 @@ netdev_dpdk_destruct(struct netdev *netdev)
>      struct netdev_dpdk *dev = netdev_dpdk_cast(netdev);
>      struct rte_device *rte_dev;
>      struct rte_eth_dev *eth_dev;
> -    bool remove_on_close;
>  
>      ovs_mutex_lock(&dpdk_mutex);
>  
> @@ -1459,20 +1458,15 @@ netdev_dpdk_destruct(struct netdev *netdev)
>           * FIXME: avoid direct access to DPDK internal array rte_eth_devices.
>           */
>          eth_dev = &rte_eth_devices[dev->port_id];
> -        remove_on_close =
> -            eth_dev->data &&
> -                (eth_dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE);
>          rte_dev = eth_dev->device;
>  
>          /* Remove the eth device. */
>          rte_eth_dev_close(dev->port_id);
>  
> -        /* Remove this rte device and all its eth devices if flag
> -         * RTE_ETH_DEV_CLOSE_REMOVE is not supported (which means representors
> -         * are not supported), or if all the eth devices belonging to the rte
> -         * device are closed.
> +        /* Remove this rte device and all its eth devices if all the eth
> +         * devices belonging to the rte device are closed.
>           */
> -        if (!remove_on_close || !netdev_dpdk_get_num_ports(rte_dev)) {
> +        if (!netdev_dpdk_get_num_ports(rte_dev)) {
>              int ret = rte_dev_remove(rte_dev);
>  
>              if (ret < 0) {
> 



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