mac_ring_intr_set
mac_ring_intr_set(ixgbe->rx_rings[i].ring_handle, NULL);
mac_ring_intr_set(ixgbe->tx_rings[i].ring_handle, NULL);
mac_ring_intr_set(ixgbe->rx_rings[i].ring_handle,
mac_ring_intr_set(ixgbe->tx_rings[i].ring_handle,
extern void mac_ring_intr_set(mac_ring_handle_t,