GRETH_BD_IE
greth_write_bd(&rx_bd[i].stat, GRETH_BD_EN | GRETH_BD_IE);
greth_write_bd(&rx_bd[i].stat, GRETH_BD_EN | GRETH_BD_IE);
status = GRETH_BD_EN | GRETH_BD_IE | (skb->len & GRETH_BD_LEN);
status = GRETH_BD_IE;
status |= GRETH_BD_IE; /* enable IRQ on last fragment */
status = GRETH_BD_EN | GRETH_BD_IE;
status = GRETH_BD_EN | GRETH_BD_IE;