Hi Alex,
Thanks for your reply.
1. The changing flag had effect. I was able to receive all the VLAN packets
to VM.
2. Please let me know, once you submit the patch.
Regards,
Meganathan
On Thu, Mar 10, 2016 at 9:29 AM, Alexander Duyck <alexander.du...@gmail.com>
wrote:
> On Tue, Mar 8, 2016 at 3:32 PM, Meganathan Raja
> <meganathanr...@gmail.com> wrote:
> > Hi All,
> >
> > We trying to disable VLAN filter on Intel Corporation 82599ES 10-Gigabit
> > Ethernet controller using ethtool without modifying the driver code.
> >
> > We can able to disable successfully in the following OS and the ixgbe
> > driver version.
> >
> > Red Hat Enterprise Linux Server release 7.1 (Maipo)
> >
> > Kernel : 3.10.0-229.20.1.el7.x86_64
> >
> > Ixgbe driver version : *4.0.1-k-rh7.1*
> >
> >
> > [root@compute05 src]#ethtool -k enp9s0f0
> >
> > rx-vlan-offload: on
> >
> > tx-vlan-offload: on
> >
> > ntuple-filters: off
> >
> > receive-hashing: on
> >
> > highdma: on [fixed]
> >
> > *rx-vlan-filter: off*
> >
> > vlan-challenged: off [fixed]
> >
> >
> >
> > [root@compute05 src]#ethtool -K enp9s0f0 rx-vlan-filter off
> >
> >
> >
> >
> >
> > But we cant able to do the same on the new ixgbe driver version. We
> > observed rx-vlan-filter as fixed.
> >
> > Red Hat Enterprise Linux Server release 7.1 (Maipo)
> >
> > Kernel : 3.10.0-229.20.1.el7.x86_64
> >
> > Ixgbe driver version: * 4.3.13*
> >
> >
> >
> > [root@compute05 src]#ethtool -k enp9s0f0
> >
> > Features for enp9s0f0:
> >
> > rx-vlan-offload: on
> >
> > tx-vlan-offload: on
> >
> > ntuple-filters: off
> >
> > receive-hashing: on
> >
> > highdma: on [fixed]
> >
> > *rx-vlan-filter: on [fixed]*
> >
> > vlan-challenged: off [fixed]
>
> Do you know if changing the flag previously had any effect? I would
> suspect the bug was the fact that it was listing itself as being able
> to be toggled when the value of the flag was ignored.
>
> I would be interested in seeing an ethregs dump for the old version
> with the flag on and off in order to verify if the flag actually had
> any effect.
>
> > [root@compute05 src]# ethtool -K enp9s0f0 rx-vlan-filter off
> >
> > *Could not change any device features*
> >
> >
> >
> > Any idea how to overcome this issue?
>
> The in-kernel driver that is currently in net-next allows you to
> enable VLAN promiscuous mode on the PF by just setting the promiscuous
> flag. With that you could make it so the PF could receive all VLANs
> while the VFs were still being VLAN filtered. This feature should
> eventually be back-ported and will likely be available in some future
> version of the out-of-tree ixgbe driver. I can submit a patch that
> will allow the functionality to also be enabled via the ethtool flag
> and can have that submitted later today.
>
> - Alex
>
--
Regards,
Meganathan
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