On Thu, 22 Oct 2020 at 07:41, Benjamin Herrenschmidt
wrote:
>
> On Wed, 2020-10-21 at 14:40 +0200, Arnd Bergmann wrote:
> > On Wed, Oct 21, 2020 at 12:39 PM Joel Stanley wrote:
> >
> > >
> > > diff --git a/drivers/net/ethernet/faraday/ftgmac100.c
> > > b/drivers/net/ethernet/faraday/ftgmac100.c
On Wed, Oct 28, 2020 at 5:47 AM Joel Stanley wrote:
>
> On Thu, 22 Oct 2020 at 07:41, Benjamin Herrenschmidt
> wrote:
> > > >
> > > > + /* Ensure the descriptor config is visible before setting the tx
> > > > +* pointer.
> > > > +*/
> > > > + smp_wmb();
> > > > +
> >
On Wed, 2020-10-21 at 14:40 +0200, Arnd Bergmann wrote:
> On Wed, Oct 21, 2020 at 12:39 PM Joel Stanley wrote:
>
> >
> > diff --git a/drivers/net/ethernet/faraday/ftgmac100.c
> > b/drivers/net/ethernet/faraday/ftgmac100.c
> > index 331d4bdd4a67..15cdfeb135b0 100644
> > ---
On Wed, 2020-10-21 at 08:18 +, David Laight wrote:
> From: Benjamin Herrenschmidt
> > Sent: 21 October 2020 01:00
> >
> > On Wed, 2020-10-21 at 08:36 +1030, Joel Stanley wrote:
> > > We must ensure the tx descriptor updates are visible before updating
> > > the tx pointer.
> > >
> > > This
On Wed, 21 Oct 2020 at 12:40, Arnd Bergmann wrote:
>
> On Wed, Oct 21, 2020 at 12:39 PM Joel Stanley wrote:
>
> >
> > diff --git a/drivers/net/ethernet/faraday/ftgmac100.c
> > b/drivers/net/ethernet/faraday/ftgmac100.c
> > index 331d4bdd4a67..15cdfeb135b0 100644
> > ---
On Wed, Oct 21, 2020 at 12:39 PM Joel Stanley wrote:
>
> diff --git a/drivers/net/ethernet/faraday/ftgmac100.c
> b/drivers/net/ethernet/faraday/ftgmac100.c
> index 331d4bdd4a67..15cdfeb135b0 100644
> --- a/drivers/net/ethernet/faraday/ftgmac100.c
> +++ b/drivers/net/ethernet/faraday/ftgmac100.c
From: Benjamin Herrenschmidt
> Sent: 21 October 2020 01:00
>
> On Wed, 2020-10-21 at 08:36 +1030, Joel Stanley wrote:
> > We must ensure the tx descriptor updates are visible before updating
> > the tx pointer.
> >
> > This resolves the tx hangs observed on the 2600 when running iperf:
>
> To
On Wed, 21 Oct 2020 at 00:00, Benjamin Herrenschmidt
wrote:
>
> On Wed, 2020-10-21 at 08:36 +1030, Joel Stanley wrote:
> > We must ensure the tx descriptor updates are visible before updating
> > the tx pointer.
> >
> > This resolves the tx hangs observed on the 2600 when running iperf:
>
> To
On Wed, 2020-10-21 at 08:36 +1030, Joel Stanley wrote:
> We must ensure the tx descriptor updates are visible before updating
> the tx pointer.
>
> This resolves the tx hangs observed on the 2600 when running iperf:
To clarify the comment here. This doesn't ensure they are visible to
the
We must ensure the tx descriptor updates are visible before updating
the tx pointer.
This resolves the tx hangs observed on the 2600 when running iperf:
root@ast2600:~# iperf3 -c 192.168.86.146 -R
Connecting to host 192.168.86.146, port 5201
Reverse mode, remote host 192.168.86.146 is sending
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