epic_tx_desc
struct epic_tx_desc *desc;
struct epic_tx_desc *desc = sc->tx_desc + i;
struct epic_tx_desc *desc = sc->tx_desc + i;
sc->tx_desc = kmalloc(sizeof(struct epic_tx_desc)*TX_RING_SIZE,
struct epic_tx_desc *desc;
struct epic_tx_desc *desc;
struct epic_tx_desc *tx_desc;