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Commit 42f397ad authored by Claudiu Manoil's avatar Claudiu Manoil Committed by David S. Miller
Browse files

gianfar: Use skb_frag_t pointers inside xmit() 



Signed-off-by: default avatarClaudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e19d0839

drivers/net/ethernet/freescale/gianfar.c

+9 −9
Original line number Diff line number Diff line
@@ -2322,6 +2322,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) 
	struct txfcb *fcb = NULL;

	struct txbd8 *txbdp, *txbdp_start, *base, *txbdp_tstamp = NULL;

	u32 lstatus;

	skb_frag_t *frag;

	int i, rq = 0;

	int do_tstamp, do_csum, do_vlan;

	u32 bufaddr;
@@ -2448,25 +2449,24 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) 
		u32 lstatus_start = lstatus;



		/* Place the fragment addresses and lengths into the TxBDs */

		for (i = 0; i < nr_frags; i++) {

			unsigned int frag_len;

		frag = &skb_shinfo(skb)->frags[0];

		for (i = 0; i < nr_frags; i++, frag++) {

			unsigned int size;



			/* Point at the next BD, wrapping as needed */

			txbdp = next_txbd(txbdp, base, tx_queue->tx_ring_size);



			frag_len = skb_shinfo(skb)->frags[i].size;

			size = skb_frag_size(frag);



			lstatus = be32_to_cpu(txbdp->lstatus) | frag_len |

			lstatus = be32_to_cpu(txbdp->lstatus) | size |

				  BD_LFLAG(TXBD_READY);



			/* Handle the last BD specially */

			if (i == nr_frags - 1)

				lstatus |= BD_LFLAG(TXBD_LAST | TXBD_INTERRUPT);



			bufaddr = skb_frag_dma_map(priv->dev,

						   &skb_shinfo(skb)->frags[i],

						   0,

						   frag_len,

						   DMA_TO_DEVICE);

			bufaddr = skb_frag_dma_map(priv->dev, frag, 0,

						   size, DMA_TO_DEVICE);

			if (unlikely(dma_mapping_error(priv->dev, bufaddr)))

				goto dma_map_err;