On Thu, Apr 20, 2017 at 10:03 AM, Willem de Bruijn
wrote:
>>> - if (!use_napi)
>>> + if (use_napi) {
>>> + if (kick)
>>> + virtqueue_enable_cb_delayed(sq->vq);
>>> + else
>>> + virtqueue_disable_cb(sq->vq);
>>
>>
>
>> - if (!use_napi)
>> + if (use_napi) {
>> + if (kick)
>> + virtqueue_enable_cb_delayed(sq->vq);
>> + else
>> + virtqueue_disable_cb(sq->vq);
>
>
> Since virtqueue_disable_cb() do nothing for event idx. I wonder wh
On 2017年04月19日 04:21, Willem de Bruijn wrote:
From: Willem de Bruijn
Tx napi mode increases the rate of transmit interrupts. Suppress some
by masking interrupts while more packets are expected. The interrupts
will be reenabled before the last packet is sent.
This optimization reduces the thr
From: Willem de Bruijn
Tx napi mode increases the rate of transmit interrupts. Suppress some
by masking interrupts while more packets are expected. The interrupts
will be reenabled before the last packet is sent.
This optimization reduces the througput drop with tx napi for
unidirectional flows
