Re: chainloading, ignore receive packets.

My _irq() function is empty.
I saw in many of the gPXE device drivers, their irq() function is empy.
Is there any WA to overcome the issue?

Thanks,

Itay


On Mon, Aug 3, 2009 at 12:02 AM, Michael Brown <[email protected]>wrote:

>  On Thursday 30 July 2009 08:15:10 Itay Gazit wrote:
> > I tried to perform chainloaing over Mellanox ConnectX EN ROM gPXE ver
> > 0.9.5. After loading undionly.kpxe I noticed all receive packets where
> > ignored. In debugging I found all packets were thrown away by the
> 'return'
> > of this part of code under undinet.c -> undinet_poll()
> > "
> > if ( ! undinet_isr_triggered() ) {
> >    /* Allow interrupt to occur */
> >    __asm__ __volatile__ ( REAL_CODE ( "sti\n\t"
> >           "nop\n\t"
> >           "nop\n\t"
> >           "cli\n\t" ) : : );
> >    return;
> >   }
> > "
> >
> > After ignoring this part of code chainloading worked fine.
> >
> > Is there something missing in my driver? Or it's a known issue?
>
> Most probably your driver is failing to generate interrupts, or to
> acknowledge
> them at the correct time.  Is your irq() method defined?.
>
> Michael
>

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