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authorVlad Dogaru <ddvlad@rosedu.org>2011-01-13 23:38:30 +0000
committerDavid S. Miller <davem@davemloft.net>2011-01-19 23:31:09 -0800
commitcbda10fa97d72c7a1923be4426171aa90e8c6dab (patch)
tree113206ef603189e9f91f075e154cbdc8e1ac3f40 /net/core/rtnetlink.c
parent441c793a56502638d45d5da2195056d686147370 (diff)
downloadblackbird-op-linux-cbda10fa97d72c7a1923be4426171aa90e8c6dab.tar.gz
blackbird-op-linux-cbda10fa97d72c7a1923be4426171aa90e8c6dab.zip
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 <ddvlad@rosedu.org> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/rtnetlink.c')
-rw-r--r--net/core/rtnetlink.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a5f7535aab5b..09062b07bf7f 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -868,6 +868,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
netif_running(dev) ? dev->operstate : IF_OPER_DOWN);
NLA_PUT_U8(skb, IFLA_LINKMODE, dev->link_mode);
NLA_PUT_U32(skb, IFLA_MTU, dev->mtu);
+ NLA_PUT_U32(skb, IFLA_GROUP, dev->group);
if (dev->ifindex != dev->iflink)
NLA_PUT_U32(skb, IFLA_LINK, dev->iflink);
@@ -1265,6 +1266,11 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
modified = 1;
}
+ if (tb[IFLA_GROUP]) {
+ dev_set_group(dev, nla_get_u32(tb[IFLA_GROUP]));
+ modified = 1;
+ }
+
/*
* Interface selected by interface index but interface
* name provided implies that a name change has been
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