ramips: Use NET_IP_ALIGN instead of hardcoding 2

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24124 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c
index 1f3c35a..8125073 100644 (file)
--- a/target/linux/ramips/files/drivers/net/ramips.c
+++ b/target/linux/ramips/files/drivers/net/ramips.c
@@ -169,12 +169,13 @@ ramips_alloc_dma(struct raeth_priv *re)
 
        memset(re->rx, 0, sizeof(struct ramips_rx_dma) * NUM_RX_DESC);
        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)
                        goto err_cleanup;
 
-               skb_reserve(new_skb, 2);
+               skb_reserve(new_skb, NET_IP_ALIGN);
                re->rx[i].rxd1 = dma_map_single(NULL,
                                                new_skb->data,
                                                MAX_RX_LENGTH,
@@ -272,7 +273,7 @@ ramips_eth_rx_hw(unsigned long ptr)
                        break;
                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 */
                if (new_skb) {
                        rx_skb = priv->rx_skb[rx];
@@ -285,7 +286,7 @@ ramips_eth_rx_hw(unsigned long ptr)
                        netif_rx(rx_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,
                                                           new_skb->data,
                                                           MAX_RX_LENGTH,