459 static void bcm_sysport_free_cb(struct bcm_sysport_cb *cb)  in bcm_sysport_free_cb()  argument
461 	dev_kfree_skb_any(cb->skb);  in bcm_sysport_free_cb()
462 	cb->skb = NULL;  in bcm_sysport_free_cb()
463 	dma_unmap_addr_set(cb, dma_addr, 0);  in bcm_sysport_free_cb()
467 				 struct bcm_sysport_cb *cb)  in bcm_sysport_rx_refill()  argument
474 	cb->skb = netdev_alloc_skb(priv->netdev, RX_BUF_LENGTH);  in bcm_sysport_rx_refill()
475 	if (!cb->skb) {  in bcm_sysport_rx_refill()
480 	mapping = dma_map_single(kdev, cb->skb->data,  in bcm_sysport_rx_refill()
485 		bcm_sysport_free_cb(cb);  in bcm_sysport_rx_refill()
490 	dma_unmap_addr_set(cb, dma_addr, mapping);  in bcm_sysport_rx_refill()
505 	struct bcm_sysport_cb *cb;  in bcm_sysport_alloc_rx_bufs()  local
510 		cb = &priv->rx_cbs[priv->rx_bd_assign_index];  in bcm_sysport_alloc_rx_bufs()
511 		if (cb->skb)  in bcm_sysport_alloc_rx_bufs()
514 		ret = bcm_sysport_rx_refill(priv, cb);  in bcm_sysport_alloc_rx_bufs()
529 	struct bcm_sysport_cb *cb;  in bcm_sysport_desc_rx()  local
551 		cb = &priv->rx_cbs[priv->rx_read_ptr];  in bcm_sysport_desc_rx()
552 		skb = cb->skb;  in bcm_sysport_desc_rx()
572 		dma_unmap_single(kdev, dma_unmap_addr(cb, dma_addr),  in bcm_sysport_desc_rx()
590 			bcm_sysport_free_cb(cb);  in bcm_sysport_desc_rx()
600 			bcm_sysport_free_cb(cb);  in bcm_sysport_desc_rx()
629 		ret = bcm_sysport_rx_refill(priv, cb);  in bcm_sysport_desc_rx()
638 				       struct bcm_sysport_cb *cb,  in bcm_sysport_tx_reclaim_one()  argument
645 	if (cb->skb) {  in bcm_sysport_tx_reclaim_one()
646 		ndev->stats.tx_bytes += cb->skb->len;  in bcm_sysport_tx_reclaim_one()
647 		*bytes_compl += cb->skb->len;  in bcm_sysport_tx_reclaim_one()
648 		dma_unmap_single(kdev, dma_unmap_addr(cb, dma_addr),  in bcm_sysport_tx_reclaim_one()
649 				 dma_unmap_len(cb, dma_len),  in bcm_sysport_tx_reclaim_one()
653 		bcm_sysport_free_cb(cb);  in bcm_sysport_tx_reclaim_one()
655 	} else if (dma_unmap_addr(cb, dma_addr)) {  in bcm_sysport_tx_reclaim_one()
656 		ndev->stats.tx_bytes += dma_unmap_len(cb, dma_len);  in bcm_sysport_tx_reclaim_one()
657 		dma_unmap_page(kdev, dma_unmap_addr(cb, dma_addr),  in bcm_sysport_tx_reclaim_one()
658 			       dma_unmap_len(cb, dma_len), DMA_TO_DEVICE);  in bcm_sysport_tx_reclaim_one()
659 		dma_unmap_addr_set(cb, dma_addr, 0);  in bcm_sysport_tx_reclaim_one()
670 	struct bcm_sysport_cb *cb;  in __bcm_sysport_tx_reclaim()  local
696 		cb = ring->cbs + last_c_index;  in __bcm_sysport_tx_reclaim()
697 		bcm_sysport_tx_reclaim_one(priv, cb, &bytes_compl, &pkts_compl);  in __bcm_sysport_tx_reclaim()
935 	struct bcm_sysport_cb *cb;  in bcm_sysport_xmit()  local
992 	cb = &ring->cbs[ring->curr_desc];  in bcm_sysport_xmit()
993 	cb->skb = skb;  in bcm_sysport_xmit()
994 	dma_unmap_addr_set(cb, dma_addr, mapping);  in bcm_sysport_xmit()
995 	dma_unmap_len_set(cb, dma_len, skb_len);  in bcm_sysport_xmit()
1323 	struct bcm_sysport_cb *cb;  in bcm_sysport_fini_rx_ring()  local
1333 		cb = &priv->rx_cbs[i];  in bcm_sysport_fini_rx_ring()
1334 		if (dma_unmap_addr(cb, dma_addr))  in bcm_sysport_fini_rx_ring()
1336 					 dma_unmap_addr(cb, dma_addr),  in bcm_sysport_fini_rx_ring()
1338 		bcm_sysport_free_cb(cb);  in bcm_sysport_fini_rx_ring()