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ramips: raeth: add a helper function for skb allocation

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30555 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2012-02-15 18:33:42 +00:00
parent c99c1bd913
commit 43d6f57e67
1 changed files with 16 additions and 6 deletions
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22
target/linux/ramips/files/drivers/net/ramips.c
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@ -88,6 +88,20 @@ ramips_hw_set_macaddr(unsigned char *mac)
RAMIPS_GDMA1_MAC_ADRL);
}
static struct sk_buff *
ramips_alloc_skb(struct raeth_priv *re)
{
struct sk_buff *skb;
skb = netdev_alloc_skb(re->netdev, MAX_RX_LENGTH + NET_IP_ALIGN);
if (!skb)
return NULL;
skb_reserve(skb, NET_IP_ALIGN);
return skb;
}
#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT3883)
#define RAMIPS_MDIO_RETRY 1000
@ -522,13 +536,10 @@ ramips_alloc_dma(struct raeth_priv *re)
dma_addr_t dma_addr;
struct sk_buff *new_skb;
new_skb = netdev_alloc_skb(re->netdev,
MAX_RX_LENGTH + NET_IP_ALIGN);
new_skb = ramips_alloc_skb(re);
if (!new_skb)
goto err_cleanup;
skb_reserve(new_skb, NET_IP_ALIGN);
dma_addr = dma_map_single(&re->netdev->dev, new_skb->data,
MAX_RX_LENGTH, DMA_FROM_DEVICE);
re->rx_dma[i] = dma_addr;
@ -629,7 +640,7 @@ ramips_eth_rx_hw(unsigned long ptr)
rx_skb = re->rx_skb[rx];
pktlen = RX_DMA_PLEN0(re->rx[rx].rxd2);
new_skb = netdev_alloc_skb(dev, MAX_RX_LENGTH + NET_IP_ALIGN);
new_skb = ramips_alloc_skb(re);
/* Reuse the buffer on allocation failures */
if (new_skb) {
dma_addr_t dma_addr;
@ -646,7 +657,6 @@ ramips_eth_rx_hw(unsigned long ptr)
netif_rx(rx_skb);
re->rx_skb[rx] = new_skb;
skb_reserve(new_skb, NET_IP_ALIGN);
dma_addr = dma_map_single(&re->netdev->dev,
new_skb->data,