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[NET]: Add a network namespace tag to struct net_device

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Please note that network devices do not increase the count
count on the network namespace.  The are inside the network
namespace and so the network namespace tag is in the nature
of a back pointer and so getting and putting the network namespace
is unnecessary.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman 2007-09-12 11:56:32 +02:00 committed by David S. Miller
parent 772698f636
commit 4a1c537113
1 changed files with 4 additions and 0 deletions
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4
include/linux/netdevice.h
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@ -41,6 +41,7 @@
#include <linux/dmaengine.h>
#include <linux/workqueue.h>
struct net;
struct vlan_group;
struct ethtool_ops;
struct netpoll_info;
@ -663,6 +664,9 @@ struct net_device
void (*poll_controller)(struct net_device *dev);
#endif
/* Network namespace this network device is inside */
struct net *nd_net;
/* bridge stuff */
struct net_bridge_port *br_port;
/* macvlan */