TX_DC_ENTRIES
BUILD_BUG_ON(TX_DC_ENTRIES != (8 << TX_DC_ENTRIES_ORDER));
vi_dc_entries = RX_DC_ENTRIES + TX_DC_ENTRIES;
efx->tx_dc_base = sram_lim_qw - vi_count * TX_DC_ENTRIES;
BUILD_BUG_ON(TX_DC_ENTRIES != (8 << TX_DC_ENTRIES_ORDER));