TX_RING_SIZE 241 uspace/drv/nic/rtl8169/driver.c rc = dmamem_map_anonymous(TX_RING_SIZE, DMAMEM_4GiB, TX_RING_SIZE 251 uspace/drv/nic/rtl8169/driver.c memset(rtl8169->tx_ring, 0, TX_RING_SIZE);