377 	unsigned int tx_tail;  member
756 	priv->tx_tail = 0;  in xgmac_dma_desc_rings_init()
857 	while (dma_ring_cnt(priv->tx_head, priv->tx_tail, DMA_TX_RING_SZ)) {  in xgmac_tx_complete()
858 		unsigned int entry = priv->tx_tail;  in xgmac_tx_complete()
871 			priv->tx_head, priv->tx_tail);  in xgmac_tx_complete()
877 		priv->tx_tail = dma_ring_incr(entry, DMA_TX_RING_SZ);  in xgmac_tx_complete()
884 			entry = priv->tx_tail = dma_ring_incr(priv->tx_tail,  in xgmac_tx_complete()
886 			p = priv->dma_tx + priv->tx_tail;  in xgmac_tx_complete()
895 	if (dma_ring_space(priv->tx_head, priv->tx_tail, DMA_TX_RING_SZ) >  in xgmac_tx_complete()
923 	priv->tx_tail = 0;  in xgmac_tx_err()
1130 	if (dma_ring_space(priv->tx_head, priv->tx_tail, DMA_TX_RING_SZ) <  in xgmac_xmit()