net: declare new net_device priv_flag IFF_NO_QUEUE
This private net_device flag can be set by drivers to inform that a
device runs fine without a qdisc attached. This was formerly done by
setting tx_queue_len to zero.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index f7a6ef2..d131755 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1262,6 +1262,7 @@
* @IFF_LIVE_ADDR_CHANGE: device supports hardware address
* change when it's running
* @IFF_MACVLAN: Macvlan device
+ * @IFF_NO_QUEUE: device can run without qdisc attached
*/
enum netdev_priv_flags {
IFF_802_1Q_VLAN = 1<<0,
@@ -1290,6 +1291,7 @@
IFF_IPVLAN_MASTER = 1<<23,
IFF_IPVLAN_SLAVE = 1<<24,
IFF_VRF_MASTER = 1<<25,
+ IFF_NO_QUEUE = 1<<26,
};
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
@@ -1318,6 +1320,7 @@
#define IFF_IPVLAN_MASTER IFF_IPVLAN_MASTER
#define IFF_IPVLAN_SLAVE IFF_IPVLAN_SLAVE
#define IFF_VRF_MASTER IFF_VRF_MASTER
+#define IFF_NO_QUEUE IFF_NO_QUEUE
/**
* struct net_device - The DEVICE structure.