[dpdk-dev] [PATCH v1 06/11] ixgbe: fix rx intr compatible issue with PF mbox
Ananyev, Konstantin
konstantin.ananyev at intel.com
Mon Nov 2 17:09:27 CET 2015
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of David Marchand
> Sent: Monday, November 02, 2015 4:03 PM
> To: Liang, Cunming
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v1 06/11] ixgbe: fix rx intr compatible issue with PF mbox
>
> On Thu, Sep 24, 2015 at 7:33 AM, Cunming Liang <cunming.liang at intel.com>
> wrote:
>
> > When ixgbe runs as a PF, mbox interrupt is prerequisite to make VF start
> > normally.
> > And PF sometimes won't 'dev_start', so the mbox interrupt register during
> > 'dev_init' is required.
> >
>
> Can you describe the cases/situations where you would want a device to
> handle interrupts while not started ?
When PF and VF are both controlled by DPDK process(es).
And user doesn't really want to do any RX/TX through PF - uses PF just to control/configure VF(s).
>
>
> Thanks.
> --
> David Marchand
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