[dpdk-dev] [PATCH] doc: update user guide about e1000em limitations

Thomas Monjalon thomas.monjalon at 6wind.com
Mon Dec 14 00:07:48 CET 2015


> > Update interrupt related limitations for e1000em nic.
> > It only support one interrupt source and not support auto-clear.
> > 
> > Signed-off-by: Marvin Liu <yong.liu at intel.com>
> > 
> > diff --git a/doc/guides/nics/e1000em.rst b/doc/guides/nics/e1000em.rst
> > index fedafad..a84e8e1 100644
> > --- a/doc/guides/nics/e1000em.rst
> > +++ b/doc/guides/nics/e1000em.rst
> > @@ -176,3 +176,7 @@ The following are known limitations:
> >      testpmd [options] -- --mbuf-size=<your-max-packet-size>
> > 
> >  #.  Qemu e1000 does not validate the checksum of incoming packets.
> > +
> > +#.  Qemu e1000 only support one interrupt source, so link and Rx
> > interrupt should be exclusive.
> > +
> > +#.  Qemu e1000 does not support interrupt auto-clear, application should
> > disable interrupt immediately when waked up.
> 
> Hi Marvin,
> 
> Thanks for the clarification. Two minor typos:
> 
>     Qemu e1000 only supports one interrupt source ...
> 
>     ... disable interrupt immediately when woken up.
> 
> When changes are made:
> 
> Acked-by: John McNamara <john.mcnamara at intel.com>

Applied with changes, thanks


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