diff options
| author | Takashi Iwai <tiwai@suse.de> | 2008-12-20 23:39:47 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-12-20 23:39:47 +0100 |
| commit | 55fa518867978e1f5fd8353098f80d125ac734d7 (patch) | |
| tree | 3502b331c1f9ec4cac25dc8ba30b6a0a324e350c /drivers/net/xen-netfront.c | |
| parent | ALSA: ca0106 MSI K8N Diamond MB spi_dac 2->1 (diff) | |
| parent | ALSA: pcsp - Fix starting the stream with HRTIMER_CB_IRQSAFE_UNLOCK (diff) | |
| download | linux-55fa518867978e1f5fd8353098f80d125ac734d7.tar.xz linux-55fa518867978e1f5fd8353098f80d125ac734d7.zip | |
Merge branch 'topic/pcsp-fix' into topic/misc
Diffstat (limited to 'drivers/net/xen-netfront.c')
| -rw-r--r-- | drivers/net/xen-netfront.c | 13 |
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); |