On Fri, 12 Feb 2016 09:21:12 +0300
Ilya Maximets <i.maxim...@samsung.com> wrote:
> Currently virtio driver in guest operating system have to be configured
> to use exactly same number of queues. If number of queues will be less,
> some packets will get stuck in queues unused by guest and will not be
> received.
>
> Fix that by using new 'vring_state_changed' callback, which is
> available for vhost-user since DPDK 2.2.
> Implementation uses additional mapping from configured tx queues to
> enabled by virtio driver. This requires mandatory locking of TX queues
> in __netdev_dpdk_vhost_send(), but this locking was almost always anyway
> because of calling set_multiq with n_txq = 'ovs_numa_get_n_cores() + 1'.
>
> Fixes: 4573fbd38fa1 ("netdev-dpdk: Add vhost-user multiqueue support")
> Signed-off-by: Ilya Maximets <i.maxim...@samsung.com>
> Reviewed-by: Aaron Conole <acon...@redhat.com>
> Acked-by: Flavio Leitner <f...@sysclose.org>
> ---
> lib/netdev-dpdk.c | 105
> +++++++++++++++++++++++++++++++++++++++++++++++-------
> 1 file changed, 92 insertions(+), 13 deletions(-)
>
Thanks Ilya!
LGTM
--
fbl
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