GENET_MAX_MQ_CNT
dev = alloc_etherdev_mqs(sizeof(*priv), GENET_MAX_MQ_CNT + 1,
GENET_MAX_MQ_CNT + 1);
struct bcmgenet_tx_ring tx_rings[GENET_MAX_MQ_CNT + 1];
struct bcmgenet_rx_ring rx_rings[GENET_MAX_MQ_CNT + 1];