typedef CTL_STATUS_t (*CTL_NET_MAC_MII_DEFERRED_READ_FN_t)(CTL_NET_INTERFACE_t *, int);
CTL_NET_MAC_MII_DEFERRED_READ_FN_t is the MAC-layer MII management interface deferred read function signature. This function in the network interface initializes a read of the MII/RMII management interface and immediately returns.