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

Stokes, Ian ian.stokes at intel.com
Wed Oct 14 15:10:15 UTC 2020


> On 10/14/2020 5:25 PM, Ilya Maximets wrote:
> > External email: Use caution opening links or attachments
> >
> >
> > 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 Following DPDK commit [1], RTE_ETH_DEV_CLOSE_REMOVE flag is obsolete.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.
> Right. Added in v4. Also, dpdk-latest should be rebased.

I've rebased and pushed dpdk-latest yesterday, is there a new commit that needs rebasing again?

Regards
Ian

> >
> >>   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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