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/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index e9c91dc..343146e 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -100,6 +100,25 @@
return 0;
}
+static int vlan_get_tx_queues(struct net *net,
+ struct nlattr *tb[],
+ unsigned int *num_tx_queues,
+ unsigned int *real_num_tx_queues)
+{
+ struct net_device *real_dev;
+
+ if (!tb[IFLA_LINK])
+ return -EINVAL;
+
+ real_dev = __dev_get_by_index(net, nla_get_u32(tb[IFLA_LINK]));
+ if (!real_dev)
+ return -ENODEV;
+
+ *num_tx_queues = real_dev->num_tx_queues;
+ *real_num_tx_queues = real_dev->real_num_tx_queues;
+ return 0;
+}
+
static int vlan_newlink(struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
@@ -216,6 +235,7 @@
.maxtype = IFLA_VLAN_MAX,
.policy = vlan_policy,
.priv_size = sizeof(struct vlan_dev_info),
+ .get_tx_queues = vlan_get_tx_queues,
.setup = vlan_setup,
.validate = vlan_validate,
.newlink = vlan_newlink,