Hi Ferruh,
> -----Original Message----- > From: Yigit, Ferruh > Sent: Thursday, February 9, 2017 12:12 AM > To: Lu, Wenzhuo; dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH] doc: announce ixgbe MTU setting limitation > > On 2/7/2017 6:22 AM, Wenzhuo Lu wrote: > > Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com> > > --- > > doc/guides/nics/ixgbe.rst | 16 ++++++++++++++-- > > 1 file changed, 14 insertions(+), 2 deletions(-) > > > > diff --git a/doc/guides/nics/ixgbe.rst b/doc/guides/nics/ixgbe.rst > > index 3b6851b..1f7d6b3 100644 > > --- a/doc/guides/nics/ixgbe.rst > > +++ b/doc/guides/nics/ixgbe.rst > > @@ -185,8 +185,11 @@ As in the case of l3fwd, set configure > > port_conf.rxmode.hw_ip_checksum=0 to enab In addition, for improved > performance, use -bsz "(32,32),(64,64),(32,32)" in load_balancer to avoid > using > the default burst size of 144. > > > > > > +Limitations or Known issues > > +--------------------------- > > + > > Malicious Driver Detection not Supported > > ----------------------------------------- > > +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > This looks like the initial intention, thanks. > > Also there are a few similar issues in the document: > > 1) "Feature not Supported by RX Vector PMD" is under "TX Constraint". > > 2) "Application Programming Interface" and "Sample Application Notes" > are under "Vector PMD for IXGBE" > > Not sure if above are the intention. > > What do you think converting this patch into a patchset, first patch fixes > headlines you already fixed and above ones if required. > > And second patch is just to add "MTU setting" limitation note? Thanks for your suggestion. I'll split this patch. > > Thanks, > ferruh > > > > > The Intel x550 series NICs support a feature called MDD (Malicious > > Driver Detection) which checks the behavior of the VF driver. > > @@ -207,7 +210,7 @@ it by default.) > > > > > > Statistics > > ----------- > > +~~~~~~~~~~ > > > > The statistics of ixgbe hardware must be polled regularly in order > > for it to remain consistent. Running a DPDK application without > > polling the statistics will @@ -230,6 +233,15 @@ be calculated as follows: > > > > In order to ensure valid results, it is recommended to poll every 4 > > minutes. > > > > +MTU setting > > +~~~~~~~~~~~ > > + > > +Although user can set MTU separately on PF and VF ports, ixgbe only > > +supports one global MTU per physical port. > > +So when user sets different MTUs on PF and VF ports in one physical > > +port, the real MTU for all these PF and VF ports is the biggest one. > > +This behavior is leveraged from kernel driver. > > + > > > > Supported Chipsets and NICs > > --------------------------- > >
