On Wed, May 09, 2018 at 03:48:58PM +0100, Ferruh Yigit wrote:
> On 5/9/2018 10:49 AM, zhiyong.y...@intel.com wrote:
> > This patch fixes multiple queues failure when virtio-user works in
> > server mode.
> >
> > Fixes: bd8f50a45d0f ("net/virtio-user: support server mode")
> > Cc: sta...@dpdk.org
>
> Hi Zhiyong,
>
> Is this for rc3?
>
> Hi Tiwei,
>
> Since Maxime is out this week, can you please review this patch?
Sure. Will do it!
Thanks
>
> Thanks,
> ferruh
>
> > Signed-off-by: Zhiyong Yang <zhiyong.y...@intel.com>
> > ---
> > drivers/net/virtio/virtio_user/vhost_user.c | 3 +++
> > drivers/net/virtio/virtio_user/virtio_user_dev.c | 9 +++++++++
> > 2 files changed, 12 insertions(+)
> >
> > diff --git a/drivers/net/virtio/virtio_user/vhost_user.c
> > b/drivers/net/virtio/virtio_user/vhost_user.c
> > index a6df97a00..a9e53d7b5 100644
> > --- a/drivers/net/virtio/virtio_user/vhost_user.c
> > +++ b/drivers/net/virtio/virtio_user/vhost_user.c
> > @@ -263,6 +263,9 @@ vhost_user_sock(struct virtio_user_dev *dev,
> >
> > PMD_DRV_LOG(INFO, "%s", vhost_msg_strings[req]);
> >
> > + if (vhostfd < 0)
> > + return -1;
> > +
> > msg.request = req;
> > msg.flags = VHOST_USER_VERSION;
> > msg.size = 0;
> > diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > index 38b8bc90d..e988dc3f4 100644
> > --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > @@ -126,6 +126,10 @@ virtio_user_start_device(struct virtio_user_dev *dev)
> > features &= ~(1ull << VIRTIO_NET_F_MAC);
> > /* Strip VIRTIO_NET_F_CTRL_VQ, as devices do not really need to know */
> > features &= ~(1ull << VIRTIO_NET_F_CTRL_VQ);
> > + /* Also disable features which depend on VIRTIO_NET_F_CTRL_VQ */
> > + features &= ~(1ull << VIRTIO_NET_F_CTRL_RX);
> > + features &= ~(1ull << VIRTIO_NET_F_CTRL_VLAN);
> > + features &= ~(1ull << VIRTIO_NET_F_CTRL_MAC_ADDR);
> > features &= ~(1ull << VIRTIO_NET_F_STATUS);
> > ret = dev->ops->send_request(dev, VHOST_USER_SET_FEATURES, &features);
> > if (ret < 0)
> > @@ -488,6 +492,11 @@ virtio_user_handle_ctrl_msg(struct virtio_user_dev
> > *dev, struct vring *vring,
> > queues = *(uint16_t *)(uintptr_t)vring->desc[idx_data].addr;
> > status = virtio_user_handle_mq(dev, queues);
> > }
> > + /* Server mode can't enable queue pairs if vhostfd is not connected,
> > + * we suppose that status always returns 0 in this case.
> > + * /
>
> There is a typo here causing comment block not ended.
>
> > + if (dev->is_server && dev->vhostfd < 0)
> > + status = 0;
> >
> > /* Update status */
> > *(virtio_net_ctrl_ack *)(uintptr_t)vring->desc[idx_status].addr =
> > status;
> >
>
