2015-07-30 06:08, Helin Zhang: > Header buffer address for header split will be filled with the > physical address for DMA, which is actually not needed at all, > as header split hasn't been supported. Hardware requires the > least bit of header address which is 'Descriptor Done' bit when > write back should be set to 0 by driver. > The issue is that if the user wants to reserve an odd number of > bytes between the mbuf header and data buffer, the physical address > to be filled in the descriptor would happen to be odd. That means > the DD bit would be set to non-zero by driver. That will result in > reporting descriptor done wrongly. > > Signed-off-by: Helin Zhang <helin.zhang at intel.com>
Applied, thanks
