EC_PAGE_SHIFT
offset = data->boundary << EC_PAGE_SHIFT;
offset = data->boundary << EC_PAGE_SHIFT;
data->EC_VMEM_PAGE = (data->ETHER_BUF_START >> EC_PAGE_SHIFT);
data->EC_VMEM_NPAGES = (data->ETHER_BUF_SIZE >> EC_PAGE_SHIFT);
data->EC_RINGSTART = (data->EC_RXBUF_START_PAGE << EC_PAGE_SHIFT);
data->EC_RINGSIZE = ((data->EC_VMEM_NPAGES - 6) << EC_PAGE_SHIFT);
pages = (data->EC_RINGSIZE >> EC_PAGE_SHIFT) - (data->boundary - next_boundary);
offset = data->boundary << EC_PAGE_SHIFT;