973 	u32 ntc, ntu;  in hns3_tx_spare_space()  local
979 	ntu = tx_spare->next_to_use;  in hns3_tx_spare_space()
981 	if (ntc > ntu)  in hns3_tx_spare_space()
982 		return ntc - ntu - 1;  in hns3_tx_spare_space()
987 	return max(ntc, tx_spare->len - ntu) - 1;  in hns3_tx_spare_space()
1105 	u32 ntu = tx_spare->next_to_use;  in hns3_tx_spare_alloc()  local
1113 	if (ntu + size > tx_spare->len) {  in hns3_tx_spare_alloc()
1114 		*cb_len += (tx_spare->len - ntu);  in hns3_tx_spare_alloc()
1115 		ntu = 0;  in hns3_tx_spare_alloc()
1118 	tx_spare->next_to_use = ntu + size;  in hns3_tx_spare_alloc()
1122 	*dma = tx_spare->dma + ntu;  in hns3_tx_spare_alloc()
1124 	return tx_spare->buf + ntu;  in hns3_tx_spare_alloc()
3680 	int ntu = ring->next_to_use;  in hns3_desc_unused()  local
3682 	if (unlikely(ntc == ntu && !ring->desc_cb[ntc].refill))  in hns3_desc_unused()
3685 	return ((ntc >= ntu) ? 0 : ring->desc_num) + ntc - ntu;  in hns3_desc_unused()