On 11/05/17 03:43, Jason Wang wrote:
>
>
> On 2017年05月10日 17:42, Anton Ivanov wrote:
>> On 10/05/17 09:56, Jason Wang wrote:
>>>
>>>
>>> On 2017年05月10日 13:28, Anton Ivanov wrote:
On 10/05/17 03:18, Jason Wang wrote:
>
> On 2017年05月09日 23:11, Stefan Hajnoczi wrote:
>> On Tue, May 09
On 2017年05月10日 17:42, Anton Ivanov wrote:
On 10/05/17 09:56, Jason Wang wrote:
On 2017年05月10日 13:28, Anton Ivanov wrote:
On 10/05/17 03:18, Jason Wang wrote:
On 2017年05月09日 23:11, Stefan Hajnoczi wrote:
On Tue, May 09, 2017 at 08:46:46AM +0100, Anton Ivanov wrote:
I have figured it out.
On 10/05/17 09:56, Jason Wang wrote:
On 2017年05月10日 13:28, Anton Ivanov wrote:
On 10/05/17 03:18, Jason Wang wrote:
On 2017年05月09日 23:11, Stefan Hajnoczi wrote:
On Tue, May 09, 2017 at 08:46:46AM +0100, Anton Ivanov wrote:
I have figured it out. Two issues.
1) skb->xmit_more is hardly eve
On 2017年05月10日 13:28, Anton Ivanov wrote:
On 10/05/17 03:18, Jason Wang wrote:
On 2017年05月09日 23:11, Stefan Hajnoczi wrote:
On Tue, May 09, 2017 at 08:46:46AM +0100, Anton Ivanov wrote:
I have figured it out. Two issues.
1) skb->xmit_more is hardly ever set under virtualization because
the
[snip]
> Virtio-net net does not support BQL. Before commit ea7735d97ba9
> ("virtio-net: move free_old_xmit_skbs"), it's even impossible to
> support that since we don't have tx interrupt for each packet. I
> haven't measured the impact of xmit_more, maybe I was wrong but I
> think it may help in
On 10/05/17 03:18, Jason Wang wrote:
>
>
> On 2017年05月09日 23:11, Stefan Hajnoczi wrote:
>> On Tue, May 09, 2017 at 08:46:46AM +0100, Anton Ivanov wrote:
>>> I have figured it out. Two issues.
>>>
>>> 1) skb->xmit_more is hardly ever set under virtualization because
>>> the qdisc
>>> is usually bypa
On 2017年05月09日 23:11, Stefan Hajnoczi wrote:
On Tue, May 09, 2017 at 08:46:46AM +0100, Anton Ivanov wrote:
I have figured it out. Two issues.
1) skb->xmit_more is hardly ever set under virtualization because the qdisc
is usually bypassed because of TCQ_F_CAN_BYPASS. Once TCQ_F_CAN_BYPASS is
s
On Tue, May 09, 2017 at 08:46:46AM +0100, Anton Ivanov wrote:
> I have figured it out. Two issues.
>
> 1) skb->xmit_more is hardly ever set under virtualization because the qdisc
> is usually bypassed because of TCQ_F_CAN_BYPASS. Once TCQ_F_CAN_BYPASS is
> set a virtual NIC driver is not likely se
I have figured it out. Two issues.
1) skb->xmit_more is hardly ever set under virtualization because the
qdisc is usually bypassed because of TCQ_F_CAN_BYPASS. Once
TCQ_F_CAN_BYPASS is set a virtual NIC driver is not likely see
skb->xmit_more (this answers my "how does this work at all" questi
Hi all,
I was revising some of my old work for UML to prepare it for submission
and I noticed that skb->xmit_more does not seem to be set any more.
I traced the issue as far as net/sched/sched_generic.c
try_bulk_dequeue_skb() is never invoked (the drivers I am working on are
dql enabled so t
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