diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:27:45 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:27:45 +0200 |
| commit | d939d2851fd12568e2eabb2916769e8a57ba5c89 (patch) | |
| tree | f3158a5ddd41541a61126f9e48de1ce89c632f64 /net/8021q/vlan.c | |
| parent | 9f5314fb4d556d3132c784d0df47352b2830ca53 (diff) | |
| parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) | |
Merge branch 'linus' into x86/irqtip-x86-irq-2008-06-16_09.27_Mon
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++) { |