]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/net/r8169.c
r8169: align the IP header when there is no DMA constraint
[linux-2.6-omap-h63xx.git] / drivers / net / r8169.c
index d8862cd84f3de0bb106efa3727e8b09ecb593c6f..1942bf7843aa17fd149cbc09995cf3717152e1e9 100644 (file)
@@ -1415,7 +1415,7 @@ static const struct rtl_cfg_info {
        [RTL_CFG_0] = {
                .hw_start       = rtl_hw_start_8169,
                .region         = 1,
-               .align          = 2,
+               .align          = 0,
                .intr_event     = SYSErr | LinkChg | RxOverflow |
                                  RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
                .napi_event     = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow
@@ -2076,12 +2076,15 @@ static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev,
 {
        struct sk_buff *skb;
        dma_addr_t mapping;
+       unsigned int pad;
 
-       skb = netdev_alloc_skb(dev, rx_buf_sz + align);
+       pad = align ? align : NET_IP_ALIGN;
+
+       skb = netdev_alloc_skb(dev, rx_buf_sz + pad);
        if (!skb)
                goto err_out;
 
-       skb_reserve(skb, (align - 1) & (unsigned long)skb->data);
+       skb_reserve(skb, align ? ((pad - 1) & (unsigned long)skb->data) : pad);
 
        mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
                                 PCI_DMA_FROMDEVICE);