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authorLen Brown <len.brown@intel.com>2008-10-22 23:57:26 -0400
committerLen Brown <len.brown@intel.com>2008-10-23 00:11:07 -0400
commit057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch)
tree4333e608da237c73ff69b10878025cca96dcb4c8 /drivers/net/xen-netfront.c
parent3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
Merge branch 'linus' into test
Conflicts: MAINTAINERS arch/x86/kernel/acpi/boot.c arch/x86/kernel/acpi/sleep.c drivers/acpi/Kconfig drivers/pnp/Makefile drivers/pnp/quirks.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/net/xen-netfront.c')
-rw-r--r--drivers/net/xen-netfront.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index c749bdba214c..c6948d8f53f6 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -239,11 +239,14 @@ static void xennet_alloc_rx_buffers(struct net_device *dev)
*/
batch_target = np->rx_target - (req_prod - np->rx.rsp_cons);
for (i = skb_queue_len(&np->rx_batch); i < batch_target; i++) {
- skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD,
+ skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD + NET_IP_ALIGN,
GFP_ATOMIC | __GFP_NOWARN);
if (unlikely(!skb))
goto no_skb;
+ /* Align ip header to a 16 bytes boundary */
+ skb_reserve(skb, NET_IP_ALIGN);
+
page = alloc_page(GFP_ATOMIC | __GFP_NOWARN);
if (!page) {
kfree_skb(skb);
@@ -471,7 +474,7 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned int offset = offset_in_page(data);
unsigned int len = skb_headlen(skb);
- frags += (offset + len + PAGE_SIZE - 1) / PAGE_SIZE;
+ frags += DIV_ROUND_UP(offset + len, PAGE_SIZE);
if (unlikely(frags > MAX_SKB_FRAGS + 1)) {
printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n",
frags);
@@ -1794,10 +1797,10 @@ static struct xenbus_driver netfront = {
static int __init netif_init(void)
{
- if (!is_running_on_xen())
+ if (!xen_domain())
return -ENODEV;
- if (is_initial_xendomain())
+ if (xen_initial_domain())
return 0;
printk(KERN_INFO "Initialising Xen virtual ethernet driver.\n");
@@ -1809,7 +1812,7 @@ module_init(netif_init);
static void __exit netif_exit(void)
{
- if (is_initial_xendomain())
+ if (xen_initial_domain())
return;
xenbus_unregister_driver(&netfront);