On Sat, Apr 30, 2016 at 1:43 AM, Alexander Duyck <adu...@mirantis.com> wrote: > >From what I can tell the ConnectX-3 will support an inner IPv6 checksum and > segmentation offload, however it cannot support outer IPv6 headers. This > assumption is based on the fact that I could see the checksum being > offloaded for inner header on IPv4 tunnels, but not on IPv6 tunnels. > > For this reason I am adding the feature to the hw_enc_features and adding > an extra check to the features_check call that will disable GSO and > checksum offload in the case that the encapsulated frame has an outer IP > version of that is not 4. The check in mlx4_en_features_check could be > removed if at some point in the future a fix is found that allows the > hardware to offload segmentation/checksum on tunnels with an outer IPv6 > header. > > Signed-off-by: Alexander Duyck <adu...@mirantis.com>
Reviewed-by: Saeed Mahameed <sae...@mellanox.com>
