> -----Original Message----- > From: Yigit, Ferruh > Sent: Wednesday, May 9, 2018 10:49 PM > To: Yang, Zhiyong <zhiyong.y...@intel.com>; dev@dpdk.org > Cc: maxime.coque...@redhat.com; Yao, Lei A <lei.a....@intel.com>; > sta...@dpdk.org; Bie, Tiwei <tiwei....@intel.com> > Subject: Re: [dpdk-stable] [PATCH] net/virtio-user: fix multiple queues fail > in > server mode > > 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? >
Right. > Hi Tiwei, > > Since Maxime is out this week, can you please review this patch? > > 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; > > + Since virtio-user server mode need to start firstly before vhost user, So, In this case, the socket connection is not setup, So, we add to check validation of vhostfd here. > > 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. > Thanks so much for your pointing out, Ferruh, fix it in next version. Thanks zhiyong