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09067122db
>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 <aduyck@mirantis.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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