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authorDavid Ahern <dsa@cumulusnetworks.com>2015-10-05 08:51:24 -0700
committerDavid S. Miller <davem@davemloft.net>2015-10-07 04:27:43 -0700
commitfee6d4c777a125e56de9370db3b2bf359bf958d6 (patch)
tree19bf245321e6d1265e34f550fd479d83ffc69aed /include
parent6e2895a8e3824eb5611c97a015a3b6d678b4503e (diff)
net: Add netif_is_l3_slave
IPv6 addrconf keys off of IFF_SLAVE so can not use it for L3 slave. Add a new private flag and add netif_is_l3_slave function for checking it. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netdevice.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b9450784ae06..b3374402c1ea 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1261,6 +1261,7 @@ struct net_device_ops {
* @IFF_L3MDEV_MASTER: device is an L3 master device
* @IFF_NO_QUEUE: device can run without qdisc attached
* @IFF_OPENVSWITCH: device is a Open vSwitch master
+ * @IFF_L3MDEV_SLAVE: device is enslaved to an L3 master device
*/
enum netdev_priv_flags {
IFF_802_1Q_VLAN = 1<<0,
@@ -1286,6 +1287,7 @@ enum netdev_priv_flags {
IFF_L3MDEV_MASTER = 1<<20,
IFF_NO_QUEUE = 1<<21,
IFF_OPENVSWITCH = 1<<22,
+ IFF_L3MDEV_SLAVE = 1<<23,
};
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
@@ -3830,6 +3832,11 @@ static inline bool netif_is_l3_master(const struct net_device *dev)
return dev->priv_flags & IFF_L3MDEV_MASTER;
}
+static inline bool netif_is_l3_slave(const struct net_device *dev)
+{
+ return dev->priv_flags & IFF_L3MDEV_SLAVE;
+}
+
static inline bool netif_is_bridge_master(const struct net_device *dev)
{
return dev->priv_flags & IFF_EBRIDGE;