> -----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