On Wednesday, March 2, 2016, Du, Fan <fan...@intel.com> wrote:

>
>
> On 2016/3/3 3:04, Alexander Duyck wrote:
>
>> What do you mean by VXLAN offload?
>>
>
> For example, a VF is exposed to a container as an interface A,
> create a vxlan interface backed up by interface A, does interface
> A offload vxlan traffic at VF hardware level just like what PF
> capable of?
>
> I know I submitted changes a few weeks back that enabled
>> NETIF_F_HW_CSUM for the VFs.  That allows them to offload the Tx
>> checksum.
>>
>> The i40e and i40evf drivers support VXLAN segmentation and inner
>> checksum offload.  I believe they have that enabled for both the PF
>> and VF last I knew.
>>
>
> Sorry, I'm bit of lazzy :)
> grep vxlan on i40evf answer my query, seems ixgbevf does not support
> vxlan off feature so far. Will take a look at closer to see if I can
> fill the gap.
>
>
So ixgbe and ixgbevf can offload Tx checksum, but no TSO or Rx inner
checksum offload.

The i40e and i40evf driver support TSO and Tx checksum offload, and the VF
can support inner Rx checksum offload as long as the PF is configured to
recognize the port number as VXLAN.

- Alex



> As far as I know there isn't any support for insertion or stripping
>> like there is for VLANs on any of the devices.
>>
>> - Alex
>>
>>
>> On Tue, Mar 1, 2016 at 11:57 PM, Du, Fan <fan...@intel.com> wrote:
>>
>>> Hi, NIC experts
>>>
>>> Can I use hw vxlan offload feature for a VF exposed by SR-IOV?
>>>
>>> Thanks!
>>>
>>>
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>>
>>
>>
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