Symbol: MIN_TX_DESC_FREE
drivers/net/ethernet/natsemi/ns83820.c
1089
if (nr_free < MIN_TX_DESC_FREE) {
drivers/net/ethernet/natsemi/ns83820.c
475
(((NR_TX_DESC-2 + dev->tx_done_idx - dev->tx_free_idx) % NR_TX_DESC) > MIN_TX_DESC_FREE)