From cbda10fa97d72c7a1923be4426171aa90e8c6dab Mon Sep 17 00:00:00 2001 From: Vlad Dogaru Date: Thu, 13 Jan 2011 23:38:30 +0000 Subject: net_device: add support for network device groups 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 Acked-by: Jamal Hadi Salim Signed-off-by: David S. Miller --- net/core/dev.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'net/core/dev.c') diff --git a/net/core/dev.c b/net/core/dev.c index 7741507429f..2b85d4ae981 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -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: -- cgit v1.2.3-70-g09d2