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net_device: add support for network device groups

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Net devices can now be grouped, enabling simpler manipulation from
userspace. This patch adds a group field to the net_device structure, as
well as rtnetlink support to query and modify it.

Signed-off-by: Vlad Dogaru <ddvlad@rosedu.org>
Acked-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Dogaru
2011-01-13 23:38:30 +00:00
committed by David S. Miller
parent 441c793a56
commit cbda10fa97
4 changed files with 26 additions and 0 deletions
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12
net/core/dev.c
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@@ -4571,6 +4571,17 @@ int dev_set_mtu(struct net_device *dev, int new_mtu)
}
EXPORT_SYMBOL(dev_set_mtu);
/**
* dev_set_group - Change group this device belongs to
* @dev: device
* @new_group: group this device should belong to
*/
void dev_set_group(struct net_device *dev, int new_group)
{
dev->group = new_group;
}
EXPORT_SYMBOL(dev_set_group);
/**
* dev_set_mac_address - Change Media Access Control Address
* @dev: device
@@ -5678,6 +5689,7 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
dev->priv_flags = IFF_XMIT_DST_RELEASE;
setup(dev);
strcpy(dev->name, name);
dev->group = INIT_NETDEV_GROUP;
return dev;
free_pcpu: