ethernet/nvidia/forcedeth.c

828 	struct nv_skb_map *tx_skb;
1038 	kfree(np->tx_skb);
1957 	np->get_tx_ctx = np->tx_skb;
1958 	np->put_tx_ctx = np->tx_skb;
1959 	np->last_tx_ctx = &np->tx_skb[np->tx_ring_size-1];
1976 		np->tx_skb[i].skb = NULL;
1977 		np->tx_skb[i].dma = 0;
1978 		np->tx_skb[i].dma_len = 0;
1979 		np->tx_skb[i].dma_single = 0;
1980 		np->tx_skb[i].first_tx_desc = NULL;
1981 		np->tx_skb[i].next_tx_ctx = NULL;
1998 static void nv_unmap_txskb(struct fe_priv *np, struct nv_skb_map *tx_skb)
2000 	if (tx_skb->dma) {
2001 		if (tx_skb->dma_single)
2002 			dma_unmap_single(&np->pci_dev->dev, tx_skb->dma,
2003 					 tx_skb->dma_len,
2006 			dma_unmap_page(&np->pci_dev->dev, tx_skb->dma,
2007 				       tx_skb->dma_len,
2009 		tx_skb->dma = 0;
2013 static int nv_release_txskb(struct fe_priv *np, struct nv_skb_map *tx_skb)
2015 	nv_unmap_txskb(np, tx_skb);
2016 	if (tx_skb->skb) {
2017 		dev_kfree_skb_any(tx_skb->skb);
2018 		tx_skb->skb = NULL;
2039 		if (nv_release_txskb(np, &np->tx_skb[i])) {
2044 		np->tx_skb[i].dma = 0;
2045 		np->tx_skb[i].dma_len = 0;
2046 		np->tx_skb[i].dma_single = 0;
2047 		np->tx_skb[i].first_tx_desc = NULL;
2048 		np->tx_skb[i].next_tx_ctx = NULL;
2279 			np->put_tx_ctx = np->tx_skb;
2305 						tmp_tx_ctx = np->tx_skb;
2328 				np->put_tx_ctx = np->tx_skb;
2337 	if (unlikely(np->put_tx_ctx == np->tx_skb))
2457 			np->put_tx_ctx = np->tx_skb;
2483 						tmp_tx_ctx = np->tx_skb;
2506 				np->put_tx_ctx = np->tx_skb;
2515 	if (unlikely(np->put_tx_ctx == np->tx_skb))
2664 			np->get_tx_ctx = np->tx_skb;
2721 			np->get_tx_ctx = np->tx_skb;
4759 	np->tx_skb = (struct nv_skb_map *)tx_skbuff;
4763 	memset(np->tx_skb, 0, sizeof(struct nv_skb_map) * np->tx_ring_size);
5141 	struct sk_buff *tx_skb, *rx_skb;
5179 	tx_skb = netdev_alloc_skb(dev, pkt_len);
5180 	if (!tx_skb) {
5184 	test_dma_addr = dma_map_single(&np->pci_dev->dev, tx_skb->data,
5185 				       skb_tailroom(tx_skb),
5189 		dev_kfree_skb_any(tx_skb);
5192 	pkt_data = skb_put(tx_skb, pkt_len);
5244 			 (skb_end_pointer(tx_skb) - tx_skb->data),
5246 	dev_kfree_skb_any(tx_skb);
5870 	np->tx_skb = kcalloc(np->tx_ring_size, sizeof(struct nv_skb_map), GFP_KERNEL);
5871 	if (!np->rx_skb || !np->tx_skb)