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Merge branch 'linus' into core/softirq

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This commit is contained in:
Ingo Molnar
2008-06-23 10:52:59 +02:00
parent 0f476b6d91 481c5346d0
commit a60b33cf59
284 changed files with 9946 additions and 5481 deletions
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38
net/core/dev.c
View File

@ -119,6 +119,7 @@
#include <linux/err.h>
#include <linux/ctype.h>
#include <linux/if_arp.h>
#include <linux/if_vlan.h>
#include "net-sysfs.h"
@ -1362,6 +1363,29 @@ void netif_device_attach(struct net_device *dev)
}
EXPORT_SYMBOL(netif_device_attach);
static bool can_checksum_protocol(unsigned long features, __be16 protocol)
{
return ((features & NETIF_F_GEN_CSUM) ||
((features & NETIF_F_IP_CSUM) &&
protocol == htons(ETH_P_IP)) ||
((features & NETIF_F_IPV6_CSUM) &&
protocol == htons(ETH_P_IPV6)));
}
static bool dev_can_checksum(struct net_device *dev, struct sk_buff *skb)
{
if (can_checksum_protocol(dev->features, skb->protocol))
return true;
if (skb->protocol == htons(ETH_P_8021Q)) {
struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
if (can_checksum_protocol(dev->features & dev->vlan_features,
veh->h_vlan_encapsulated_proto))
return true;
}
return false;
}
/*
* Invalidate hardware checksum when packet is to be mangled, and
@ -1640,14 +1664,8 @@ int dev_queue_xmit(struct sk_buff *skb)
if (skb->ip_summed == CHECKSUM_PARTIAL) {
skb_set_transport_header(skb, skb->csum_start -
skb_headroom(skb));
if (!(dev->features & NETIF_F_GEN_CSUM) &&
!((dev->features & NETIF_F_IP_CSUM) &&
skb->protocol == htons(ETH_P_IP)) &&
!((dev->features & NETIF_F_IPV6_CSUM) &&
skb->protocol == htons(ETH_P_IPV6)))
if (skb_checksum_help(skb))
goto out_kfree_skb;
if (!dev_can_checksum(dev, skb) && skb_checksum_help(skb))
goto out_kfree_skb;
}
gso:
@ -2059,6 +2077,10 @@ int netif_receive_skb(struct sk_buff *skb)
rcu_read_lock();
/* Don't receive packets in an exiting network namespace */
if (!net_alive(dev_net(skb->dev)))
goto out;
#ifdef CONFIG_NET_CLS_ACT
if (skb->tc_verd & TC_NCLS) {
skb->tc_verd = CLR_TC_NCLS(skb->tc_verd);

3
net/core/net_namespace.c
View File

@ -140,6 +140,9 @@ static void cleanup_net(struct work_struct *work)
struct pernet_operations *ops;
struct net *net;
/* Be very certain incoming network packets will not find us */
rcu_barrier();
net = container_of(work, struct net, work);
mutex_lock(&net_mutex);