diff options
| author | David S. Miller <davem@davemloft.net> | 2008-05-25 23:26:10 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-05-25 23:26:10 -0700 |
| commit | 43154d08d6bb5c69aa0d0e3448fb348b4cd84e91 (patch) | |
| tree | 176edb26aad2d33e8be36530b66b19d0603c4b1d /net/8021q/vlan.c | |
| parent | 03194379a77b02df3404ec4848a50c6784e9a8a5 (diff) | |
| parent | 289c79a4bd350e8a25065102563ad1a183d1b402 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/cpmac.c
net/mac80211/mlme.c
Diffstat (limited to 'net/8021q/vlan.c')
| -rw-r--r-- | net/8021q/vlan.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 2a739adaa92b..ab2225da0ee2 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -382,6 +382,18 @@ static void vlan_sync_address(struct net_device *dev, memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN); } +static void vlan_transfer_features(struct net_device *dev, + struct net_device *vlandev) +{ + unsigned long old_features = vlandev->features; + + vlandev->features &= ~dev->vlan_features; + vlandev->features |= dev->features & dev->vlan_features; + + if (old_features != vlandev->features) + netdev_features_change(vlandev); +} + static void __vlan_device_event(struct net_device *dev, unsigned long event) { switch (event) { @@ -410,10 +422,8 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, int i, flgs; struct net_device *vlandev; - if (is_vlan_dev(dev)) { + if (is_vlan_dev(dev)) __vlan_device_event(dev, event); - goto out; - } grp = __vlan_find_group(dev); if (!grp) @@ -450,6 +460,18 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, } break; + case NETDEV_FEAT_CHANGE: + /* Propagate device features to underlying device */ + for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { + vlandev = vlan_group_get_device(grp, i); + if (!vlandev) + continue; + + vlan_transfer_features(dev, vlandev); + } + + break; + case NETDEV_DOWN: /* Put all VLANs for this dev in the down state too. */ for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { |