On Tue, Mar 16, 2021 at 8:17 AM Martin Schiller wrote:
>
> On 2021-03-14 02:59, Xie He wrote:
> > Hi Martin,
> >
> > Could you ack? Thanks!
>
> Acked-by: Martin Schiller
Thank you!!
On 2021-03-14 02:59, Xie He wrote:
Hi Martin,
Could you ack? Thanks!
Acked-by: Martin Schiller
Hi Martin,
Could you ack? Thanks!
On Thu, 11 Mar 2021 16:28:47 -0800 Xie He wrote:
> On Thu, Mar 11, 2021 at 4:10 PM Jakub Kicinski wrote:
> >
> > And the "noqueue" queue is there because it's on top of hdlc_fr.c
> > somehow or some out of tree driver? Or do you install it manually?
>
> No, this driver is not related to
On Thu, Mar 11, 2021 at 4:10 PM Jakub Kicinski wrote:
>
> And the "noqueue" queue is there because it's on top of hdlc_fr.c
> somehow or some out of tree driver? Or do you install it manually?
No, this driver is not related to "hdlc_fr.c" or any out-of-tree
driver. The default qdisc is "noqueue"
On Thu, 11 Mar 2021 15:13:01 -0800 Xie He wrote:
> On Thu, Mar 11, 2021 at 2:52 PM Jakub Kicinski wrote:
> >
> > Normally driver's ndo_stop() calls netif_tx_disable() which takes TX
> > locks, so unless your driver is lockless (LLTX) there should be no xmit
> > calls after that point.
>
> Do
On Thu, Mar 11, 2021 at 2:52 PM Jakub Kicinski wrote:
>
> Normally driver's ndo_stop() calls netif_tx_disable() which takes TX
> locks, so unless your driver is lockless (LLTX) there should be no xmit
> calls after that point.
Do you mean I should call "netif_tx_disable" inside my "ndo_stop"
On Thu, 11 Mar 2021 13:12:25 -0800 Xie He wrote:
> On Thu, Mar 11, 2021 at 12:43 PM Jakub Kicinski wrote:
> >
> > Is this a theoretical issues or do you see a path where it triggers?
> >
> > Who are the callers sending frames to a device which went down?
>
> This is a theoretical issue. I
On Thu, Mar 11, 2021 at 12:43 PM Jakub Kicinski wrote:
>
> Is this a theoretical issues or do you see a path where it triggers?
>
> Who are the callers sending frames to a device which went down?
This is a theoretical issue. I didn't see this issue in practice.
When "__dev_queue_xmit" and
On Wed, 10 Mar 2021 23:23:09 -0800 Xie He wrote:
> There are two "netif_running" checks in this driver. One is in
> "lapbeth_xmit" and the other is in "lapbeth_rcv". They serve to make
> sure that the LAPB APIs called in these functions are called before
> "lapb_unregister" is called by the
There are two "netif_running" checks in this driver. One is in
"lapbeth_xmit" and the other is in "lapbeth_rcv". They serve to make
sure that the LAPB APIs called in these functions are called before
"lapb_unregister" is called by the "ndo_stop" function.
However, these "netif_running" checks are
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