On Wed, 5 Aug 2015 17:13:21 -0700 Tom Herbert <[email protected]> wrote:
> On Wed, Aug 5, 2015 at 4:52 PM, Jeff Kirsher > <[email protected]> wrote: > > From: Anjali Singhai Jain <[email protected]> > > if (vsi->back->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) > > tx_ring->flags = I40E_TXR_FLAGS_WB_ON_ITR; > > + if (vsi->back->flags & I40E_FLAG_OUTER_UDP_CSUM_CAPABLE) > > + tx_ring->flags |= I40E_TXR_FLAGS_OUTER_UDP_CSUM; > > Just curious... is there a difference between enabling the outer UDP > checksum (of a tunnel) and just enabling checksum offload for UDP > packets? Yes, the hardware knows the difference (or we actually tell it the difference) between a UDP packet and a tunnel inside a UDP packet. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
