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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-09-03 05:03:00 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-03 05:03:00 +0400 |
| commit | 2e59af3dcbdf11635c03f22bfc9706744465d589 (patch) | |
| tree | c01e87c0ef6568bae987f4628a8656ba0d05aa23 /net/8021q | |
| parent | 5848cc096a23b80b3d15c27d72299f79caf7c517 (diff) | |
| download | linux-2e59af3dcbdf11635c03f22bfc9706744465d589.tar.xz | |
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>
Diffstat (limited to 'net/8021q')
| -rw-r--r-- | net/8021q/vlan.c | 5 | ||||
| -rw-r--r-- | net/8021q/vlan_netlink.c | 20 |
2 files changed, 23 insertions, 2 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index e814794b0a1a..8836575f9d79 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -330,12 +330,13 @@ static int register_vlan_device(struct net_device *real_dev, u16 vlan_id) snprintf(name, IFNAMSIZ, "vlan%.4i", vlan_id); } - new_dev = alloc_netdev(sizeof(struct vlan_dev_info), name, - vlan_setup); + new_dev = alloc_netdev_mq(sizeof(struct vlan_dev_info), name, + vlan_setup, real_dev->num_tx_queues); if (new_dev == NULL) return -ENOBUFS; + new_dev->real_num_tx_queues = real_dev->real_num_tx_queues; dev_net_set(new_dev, net); /* need 4 bytes for extra VLAN header info, * hope the underlying device can handle it. diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c index e9c91dcecc9b..343146e1bceb 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -100,6 +100,25 @@ static int vlan_changelink(struct net_device *dev, 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 @@ struct rtnl_link_ops vlan_link_ops __read_mostly = { .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, |