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ramips: Use NET_IP_ALIGN instead of hardcoding 2 

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>

SVN-Revision: 24124
lede-17.01
Gabor Juhos 2010-11-24 10:01:18 +00:00
parent 624cfc5c91
commit 64b16b9f34
1 changed files with 5 additions and 4 deletions
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9
target/linux/ramips/files/drivers/net/ramips.c
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@ -169,12 +169,13 @@ ramips_alloc_dma(struct raeth_priv *re)
memset(re->rx, 0, sizeof(struct ramips_rx_dma) * NUM_RX_DESC); memset(re->rx, 0, sizeof(struct ramips_rx_dma) * NUM_RX_DESC);
for (i = 0; i < NUM_RX_DESC; i++) { for (i = 0; i < NUM_RX_DESC; i++) {
struct sk_buff *new_skb = dev_alloc_skb(MAX_RX_LENGTH + 2); struct sk_buff *new_skb = dev_alloc_skb(MAX_RX_LENGTH +
NET_IP_ALIGN);
if (!new_skb) if (!new_skb)
goto err_cleanup; goto err_cleanup;
skb_reserve(new_skb, 2); skb_reserve(new_skb, NET_IP_ALIGN);
re->rx[i].rxd1 = dma_map_single(NULL, re->rx[i].rxd1 = dma_map_single(NULL,
new_skb->data, new_skb->data,
MAX_RX_LENGTH, MAX_RX_LENGTH,
@ -272,7 +273,7 @@ ramips_eth_rx_hw(unsigned long ptr)
break; break;
max_rx--; max_rx--;
new_skb = netdev_alloc_skb(dev, MAX_RX_LENGTH + 2); new_skb = netdev_alloc_skb(dev, MAX_RX_LENGTH + NET_IP_ALIGN);
/* Reuse the buffer on allocation failures */ /* Reuse the buffer on allocation failures */
if (new_skb) { if (new_skb) {
rx_skb = priv->rx_skb[rx]; rx_skb = priv->rx_skb[rx];
@ -285,7 +286,7 @@ ramips_eth_rx_hw(unsigned long ptr)
netif_rx(rx_skb); netif_rx(rx_skb);
priv->rx_skb[rx] = new_skb; priv->rx_skb[rx] = new_skb;
skb_reserve(new_skb, 2); skb_reserve(new_skb, NET_IP_ALIGN);
priv->rx[rx].rxd1 = dma_map_single(NULL, priv->rx[rx].rxd1 = dma_map_single(NULL,
new_skb->data, new_skb->data,
MAX_RX_LENGTH, MAX_RX_LENGTH,