On 11.02.2016 20:31, Aaron Conole wrote:
> Hi Ilya,
>
> Ilya Maximets <i.maxim...@samsung.com> writes:
>
>> 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>
>> ---
>> lib/netdev-dpdk.c | 108
>> +++++++++++++++++++++++++++++++++++++++++++++++-------
>> 1 file changed, 95 insertions(+), 13 deletions(-)
>>
>
> Thanks, so far looks good. You can put my Reviewed-by on this. I haven't
> applied / tested, though.
>
> -Aaron
Thanks.
I sent a v2 with small fix and your Reviewed-by.
Best regards, Ilya Maximets.
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