/* * Number of DMA segments in a TxCB. Note that this is carefully * chosen to make the total struct size an even power of two. It's * critical that no TxCB be split across a page boundary since * no attempt is made to allocate physically contiguous memory. * */ /* * Number of DMA segments in a TxCB. Note that this is carefully * chosen to make the total struct size an even power of two. It's * critical that no TxCB be split across a page boundary since * no attempt is made to allocate physically contiguous memory. * */