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gianfar: Use skb_frag_t pointers inside xmit()

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Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Claudiu Manoil 2016-02-23 11:48:38 +02:00 committed by David S. Miller
parent e19d0839e7
commit 42f397adfc
1 changed files with 9 additions and 9 deletions
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18
drivers/net/ethernet/freescale/gianfar.c
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@ -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;