378 #define MVPP2_RX_PKT_SIZE(mtu) \  argument
379 	ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
3759 static int mvpp2_bm_update_mtu(struct net_device *dev, int mtu)  in mvpp2_bm_update_mtu()  argument
3764 	int pkt_size = MVPP2_RX_PKT_SIZE(mtu);  in mvpp2_bm_update_mtu()
3783 	dev->mtu = mtu;  in mvpp2_bm_update_mtu()
4325 	u32	val, size, mtu;  in mvpp2_txp_max_tx_size_set()  local
4328 	mtu = port->pkt_size * 8;  in mvpp2_txp_max_tx_size_set()
4329 	if (mtu > MVPP2_TXP_MTU_MAX)  in mvpp2_txp_max_tx_size_set()
4330 		mtu = MVPP2_TXP_MTU_MAX;  in mvpp2_txp_max_tx_size_set()
4333 	mtu = 3 * mtu;  in mvpp2_txp_max_tx_size_set()
4342 	val |= mtu;  in mvpp2_txp_max_tx_size_set()
4348 	if (size < mtu) {  in mvpp2_txp_max_tx_size_set()
4349 		size = mtu;  in mvpp2_txp_max_tx_size_set()
4360 		if (size < mtu) {  in mvpp2_txp_max_tx_size_set()
4361 			size = mtu;  in mvpp2_txp_max_tx_size_set()
5466 static inline int mvpp2_check_mtu_valid(struct net_device *dev, int mtu)  in mvpp2_check_mtu_valid()  argument
5468 	if (mtu < 68) {  in mvpp2_check_mtu_valid()
5474 	if (mtu > 9676) {  in mvpp2_check_mtu_valid()
5475 		netdev_info(dev, "illegal MTU value %d, round to 9676\n", mtu);  in mvpp2_check_mtu_valid()
5476 		mtu = 9676;  in mvpp2_check_mtu_valid()
5479 	if (!IS_ALIGNED(MVPP2_RX_PKT_SIZE(mtu), 8)) {  in mvpp2_check_mtu_valid()
5480 		netdev_info(dev, "illegal MTU value %d, round to %d\n", mtu,  in mvpp2_check_mtu_valid()
5481 			    ALIGN(MVPP2_RX_PKT_SIZE(mtu), 8));  in mvpp2_check_mtu_valid()
5482 		mtu = ALIGN(MVPP2_RX_PKT_SIZE(mtu), 8);  in mvpp2_check_mtu_valid()
5485 	return mtu;  in mvpp2_check_mtu_valid()
5724 static int mvpp2_change_mtu(struct net_device *dev, int mtu)  in mvpp2_change_mtu()  argument
5729 	mtu = mvpp2_check_mtu_valid(dev, mtu);  in mvpp2_change_mtu()
5730 	if (mtu < 0) {  in mvpp2_change_mtu()
5731 		err = mtu;  in mvpp2_change_mtu()
5736 		err = mvpp2_bm_update_mtu(dev, mtu);  in mvpp2_change_mtu()
5738 			port->pkt_size =  MVPP2_RX_PKT_SIZE(mtu);  in mvpp2_change_mtu()
5743 		err = mvpp2_bm_update_mtu(dev, dev->mtu);  in mvpp2_change_mtu()
5750 	err = mvpp2_bm_update_mtu(dev, mtu);  in mvpp2_change_mtu()
5752 		port->pkt_size =  MVPP2_RX_PKT_SIZE(mtu);  in mvpp2_change_mtu()
5757 	err = mvpp2_bm_update_mtu(dev, dev->mtu);  in mvpp2_change_mtu()
6094 	port->pkt_size = MVPP2_RX_PKT_SIZE(port->dev->mtu);  in mvpp2_port_init()