On Tue, 2014-11-04 at 15:45 -0800, Jesse Gross wrote:
> On Tue, Nov 4, 2014 at 1:56 PM, Joe Stringer <joestrin...@nicira.com> wrote:
> > diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c
> > b/drivers/net/ethernet/intel/i40e/i40e_main.c
> > index c3a7f4a..21829b5 100644
> > --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> > +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> > +static bool i40e_gso_check(struct sk_buff *skb, struct net_device *dev)
> > +{
> > + if ((skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL) &&
> > + (skb->inner_protocol_type != ENCAP_TYPE_ETHER ||
> > + skb->inner_protocol != htons(ETH_P_TEB) ||
> > + skb_inner_mac_header(skb) - skb_transport_header(skb) > 64))
> > + return false;
>
> I think it may be possible to even support a few more things here.
> According to the datasheet here:
> http://www.intel.com/content/dam/www/public/us/en/documents/datasheets/xl710-10-40-controller-datasheet.pdf
>
> This can actually support 64 bytes beyond the tunnel header, which
> would make for a total of 80 bytes. It looks like it can also support
> IPv4 or IPv6 beyond just Ethernet as the encapsulated protocol.
>
> Intel guys, can you confirm that this is correct?I believe you are correct Jesse, but I will let Shannon Nelson or Jesse Brandeburg respond since they are the i40e maintainers.
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