[dpdk-dev] [PATCH] app/testpmd: add to call detach for vdev when quitting
Yang, Zhiyong
zhiyong.yang at intel.com
Thu May 17 16:36:14 CEST 2018
Bernard,
Thanks for your review.
> -----Original Message-----
> From: Iremonger, Bernard
> Sent: Thursday, May 17, 2018 7:23 PM
> To: Yang, Zhiyong <zhiyong.yang at intel.com>; dev at dpdk.org
> Cc: maxime.coquelin at redhat.com; Yigit, Ferruh <ferruh.yigit at intel.com>; Bie,
> Tiwei <tiwei.bie at intel.com>; Yao, Lei A <lei.a.yao at intel.com>; Yang, Zhiyong
> <zhiyong.yang at intel.com>
> Subject: RE: [dpdk-dev] [PATCH] app/testpmd: add to call detach for vdev when
> quitting
>
> Hi Zhiyong,
>
> > -----Original Message-----
> > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of
> > zhiyong.yang at intel.com
> > Sent: Thursday, May 17, 2018 2:00 PM
> > To: dev at dpdk.org
> > Cc: maxime.coquelin at redhat.com; Yigit, Ferruh
> > <ferruh.yigit at intel.com>; Bie, Tiwei <tiwei.bie at intel.com>; Yao, Lei A
> > <lei.a.yao at intel.com>; Yang, Zhiyong <zhiyong.yang at intel.com>
> > Subject: [dpdk-dev] [PATCH] app/testpmd: add to call detach for vdev
> > when quitting
> >
> > For vdev, just calling rte_eth_dev_close() isn't enough to free all
> > the resources allocated during device probe, e.g. for virtio-user,
> > virtio_user_pmd_remove(), i.e. the remove() method of a vdev driver,
> > needs to be called to unlink the socket file created during device
> > probe. So this patch calls the rte_eth_dev_detach() for vdev when quitting
> testpmd.
> >
> > Cc: maxime.coquelin at redhat.com
> > Cc: ferruh.yigit at intel.com
> > Cc: tiwei.bie at intel.com
> > Cc: lei.a.yao at intel.com
> >
> > Signed-off-by: Zhiyong Yang <zhiyong.yang at intel.com>
> > ---
> > app/test-pmd/testpmd.c | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
> > 134401603..1d308f056 100644
> > --- a/app/test-pmd/testpmd.c
> > +++ b/app/test-pmd/testpmd.c
> > @@ -2011,6 +2011,8 @@ detach_port(portid_t port_id) void
> > pmd_test_exit(void)
> > {
> > + const struct rte_bus *bus;
> > + struct rte_device *device;
> > portid_t pt_id;
> > int ret;
> >
> > @@ -2020,10 +2022,14 @@ pmd_test_exit(void)
> > if (ports != NULL) {
> > no_link_check = 1;
> > RTE_ETH_FOREACH_DEV(pt_id) {
> > + device = rte_eth_devices[pt_id].device;
> > + bus = rte_bus_find_by_device(device);
> > printf("\nShutting down port %d...\n", pt_id);
> > fflush(stdout);
> > stop_port(pt_id);
> > close_port(pt_id);
> > + if (bus && !strcmp(bus->name, "vdev"))
> > + detach_port(pt_id);
> > }
> > }
> >
> > --
> > 2.14.3
>
> This appears to be a bug fix patch, if so it should have a fixes line.
> Also the commit line should include "fix", for example:
> "app/testpmd: fix pmd_test_exit function for vdevs"
>
Ok, fix it in next version.
Thanks
Zhiyong
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