On 5/21/2015 3:51 PM, Ouyang Changchun wrote: > Each virtio device could have multiple queues, say 2 or 4, at most 8. > Enabling this feature allows virtio device/port on guest has the ability to > use different vCPU to receive/transmit packets from/to each queue. > > In multiple queues mode, virtio device readiness means all queues of > this virtio device are ready, cleanup/destroy a virtio device also > requires clearing all queues belong to it. > > Signed-off-by: Changchun Ouyang <changchun.ouyang at intel.com> > --- > lib/librte_vhost/rte_virtio_net.h | 15 ++- > lib/librte_vhost/vhost_rxtx.c | 32 ++++--- > lib/librte_vhost/vhost_user/vhost-net-user.c | 4 +- > lib/librte_vhost/vhost_user/virtio-net-user.c | 97 +++++++++++++++---- > lib/librte_vhost/vhost_user/virtio-net-user.h | 2 + > lib/librte_vhost/virtio-net.c | 132 > +++++++++++++++++--------- > 6 files changed, 201 insertions(+), 81 deletions(-) > > diff --git a/lib/librte_vhost/rte_virtio_net.h > b/lib/librte_vhost/rte_virtio_net.h > index 5d38185..3e82bef 100644 > --- a/lib/librte_vhost/rte_virtio_net.h > +++ b/lib/librte_vhost/rte_virtio_net.h > @@ -59,6 +59,10 @@ struct rte_mbuf;
Some basic question: Does vhost have no way to know how many queues each virtio device has? rte_vhost_q_num_set would set the same number of queues for all virtio devices, so different virtio devices couldn't have different number of queues.