提交 58e0c348 编写于 作者: B Benjamin Herrenschmidt 提交者: David S. Miller

ftgmac100: Move ftgmac100_hard_start_xmit() around

Move it below ftgmac100_xmit() and the rest of the tx path

No code change.
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 d3ca8fb1
......@@ -675,6 +675,35 @@ static int ftgmac100_xmit(struct ftgmac100 *priv, struct sk_buff *skb,
return NETDEV_TX_OK;
}
static int ftgmac100_hard_start_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
struct ftgmac100 *priv = netdev_priv(netdev);
dma_addr_t map;
if (unlikely(skb->len > MAX_PKT_SIZE)) {
if (net_ratelimit())
netdev_dbg(netdev, "tx packet too big\n");
netdev->stats.tx_dropped++;
kfree_skb(skb);
return NETDEV_TX_OK;
}
map = dma_map_single(priv->dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(priv->dev, map))) {
/* drop packet */
if (net_ratelimit())
netdev_err(netdev, "map socket buffer failed\n");
netdev->stats.tx_dropped++;
kfree_skb(skb);
return NETDEV_TX_OK;
}
return ftgmac100_xmit(priv, skb, map);
}
static void ftgmac100_free_buffers(struct ftgmac100 *priv)
{
int i;
......@@ -1212,35 +1241,6 @@ static int ftgmac100_stop(struct net_device *netdev)
return 0;
}
static int ftgmac100_hard_start_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
struct ftgmac100 *priv = netdev_priv(netdev);
dma_addr_t map;
if (unlikely(skb->len > MAX_PKT_SIZE)) {
if (net_ratelimit())
netdev_dbg(netdev, "tx packet too big\n");
netdev->stats.tx_dropped++;
kfree_skb(skb);
return NETDEV_TX_OK;
}
map = dma_map_single(priv->dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(priv->dev, map))) {
/* drop packet */
if (net_ratelimit())
netdev_err(netdev, "map socket buffer failed\n");
netdev->stats.tx_dropped++;
kfree_skb(skb);
return NETDEV_TX_OK;
}
return ftgmac100_xmit(priv, skb, map);
}
/* optional */
static int ftgmac100_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
{
......
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