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authorLen Brown <len.brown@intel.com>2005-12-07 01:31:30 +0300
committerLen Brown <len.brown@intel.com>2005-12-07 01:31:30 +0300
commit3d5271f9883cba7b54762bc4fe027d4172f06db7 (patch)
treeab8a881a14478598a0c8bda0d26c62cdccfffd6d /net/core/dev.c
parent378b2556f4e09fa6f87ff0cb5c4395ff28257d02 (diff)
parent9115a6c787596e687df03010d97fccc5e0762506 (diff)
downloadlinux-3d5271f9883cba7b54762bc4fe027d4172f06db7.tar.xz
Pull release into acpica branch
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index c01511e3d0c1..0b48e294aafe 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -574,6 +574,8 @@ struct net_device *dev_getbyhwaddr(unsigned short type, char *ha)
return dev;
}
+EXPORT_SYMBOL(dev_getbyhwaddr);
+
struct net_device *dev_getfirstbyhwtype(unsigned short type)
{
struct net_device *dev;
@@ -1106,6 +1108,18 @@ out:
return ret;
}
+/* Take action when hardware reception checksum errors are detected. */
+#ifdef CONFIG_BUG
+void netdev_rx_csum_fault(struct net_device *dev)
+{
+ if (net_ratelimit()) {
+ printk(KERN_ERR "%s: hw csum failure.\n", dev->name);
+ dump_stack();
+ }
+}
+EXPORT_SYMBOL(netdev_rx_csum_fault);
+#endif
+
#ifdef CONFIG_HIGHMEM
/* Actually, we should eliminate this check as soon as we know, that:
* 1. IOMMU is present and allows to map all the memory.
@@ -1130,7 +1144,7 @@ static inline int illegal_highdma(struct net_device *dev, struct sk_buff *skb)
#endif
/* Keep head the same: replace data */
-int __skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp_mask)
+int __skb_linearize(struct sk_buff *skb, gfp_t gfp_mask)
{
unsigned int size;
u8 *data;
@@ -1257,6 +1271,8 @@ int dev_queue_xmit(struct sk_buff *skb)
if (skb_checksum_help(skb, 0))
goto out_kfree_skb;
+ spin_lock_prefetch(&dev->queue_lock);
+
/* Disable soft irqs for various locks below. Also
* stops preemption for RCU.
*/
@@ -2713,6 +2729,20 @@ int register_netdevice(struct net_device *dev)
dev->name);
dev->features &= ~NETIF_F_TSO;
}
+ if (dev->features & NETIF_F_UFO) {
+ if (!(dev->features & NETIF_F_HW_CSUM)) {
+ printk(KERN_ERR "%s: Dropping NETIF_F_UFO since no "
+ "NETIF_F_HW_CSUM feature.\n",
+ dev->name);
+ dev->features &= ~NETIF_F_UFO;
+ }
+ if (!(dev->features & NETIF_F_SG)) {
+ printk(KERN_ERR "%s: Dropping NETIF_F_UFO since no "
+ "NETIF_F_SG feature.\n",
+ dev->name);
+ dev->features &= ~NETIF_F_UFO;
+ }
+ }
/*
* nil rebuild_header routine,