vlan: multiqueue vlan device
vlan devices are currently not multi-queue capable.
We can do that with a new rtnl_link_ops method,
get_tx_queues(), called from rtnl_create_link()
This new method gets num_tx_queues/real_num_tx_queues
from real device.
register_vlan_device() is also handled.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b44775f..bbcba2a 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -974,12 +974,20 @@
{
int err;
struct net_device *dev;
+ unsigned int num_queues = 1;
+ unsigned int real_num_queues = 1;
+ if (ops->get_tx_queues) {
+ err = ops->get_tx_queues(net, tb, &num_queues, &real_num_queues);
+ if (err)
+ goto err;
+ }
err = -ENOMEM;
- dev = alloc_netdev(ops->priv_size, ifname, ops->setup);
+ dev = alloc_netdev_mq(ops->priv_size, ifname, ops->setup, num_queues);
if (!dev)
goto err;
+ dev->real_num_tx_queues = real_num_queues;
if (strchr(dev->name, '%')) {
err = dev_alloc_name(dev, dev->name);
if (err < 0)