diff options
Diffstat (limited to 'net/8021q/vlan.c')
| -rw-r--r-- | net/8021q/vlan.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index e7583eea6fd..b463ba47024 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -345,12 +345,8 @@ static int vlan_dev_init(struct net_device *dev) (1<<__LINK_STATE_DORMANT))) | (1<<__LINK_STATE_PRESENT); - /* TODO: maybe just assign it to be ETHERNET? */ - dev->type = real_dev->type; - memcpy(dev->broadcast, real_dev->broadcast, real_dev->addr_len); memcpy(dev->dev_addr, real_dev->dev_addr, real_dev->addr_len); - dev->addr_len = real_dev->addr_len; if (real_dev->features & NETIF_F_HW_VLAN_TX) { dev->hard_header = real_dev->hard_header; @@ -364,6 +360,7 @@ static int vlan_dev_init(struct net_device *dev) dev->rebuild_header = vlan_dev_rebuild_header; } dev->hard_header_parse = real_dev->hard_header_parse; + dev->hard_header_cache = NULL; lockdep_set_class(&dev->_xmit_lock, &vlan_netdev_xmit_lock_key); return 0; @@ -373,6 +370,8 @@ void vlan_setup(struct net_device *new_dev) { SET_MODULE_OWNER(new_dev); + ether_setup(new_dev); + /* new_dev->ifindex = 0; it will be set when added to * the global list. * iflink is set as well. @@ -392,7 +391,6 @@ void vlan_setup(struct net_device *new_dev) new_dev->init = vlan_dev_init; new_dev->open = vlan_dev_open; new_dev->stop = vlan_dev_stop; - new_dev->set_mac_address = vlan_dev_set_mac_address; new_dev->set_multicast_list = vlan_dev_set_multicast_list; new_dev->destructor = free_netdev; new_dev->do_ioctl = vlan_dev_ioctl; @@ -592,6 +590,30 @@ out_free_newdev: return err; } +static void vlan_sync_address(struct net_device *dev, + struct net_device *vlandev) +{ + struct vlan_dev_info *vlan = VLAN_DEV_INFO(vlandev); + + /* May be called without an actual change */ + if (!compare_ether_addr(vlan->real_dev_addr, dev->dev_addr)) + return; + + /* vlan address was different from the old address and is equal to + * the new address */ + if (compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) && + !compare_ether_addr(vlandev->dev_addr, dev->dev_addr)) + dev_unicast_delete(dev, vlandev->dev_addr, ETH_ALEN); + + /* vlan address was equal to the old address and is different from + * the new address */ + if (!compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) && + compare_ether_addr(vlandev->dev_addr, dev->dev_addr)) + dev_unicast_add(dev, vlandev->dev_addr, ETH_ALEN); + + memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN); +} + static int vlan_device_event(struct notifier_block *unused, unsigned long event, void *ptr) { struct net_device *dev = ptr; @@ -618,6 +640,17 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, } break; + case NETDEV_CHANGEADDR: + /* Adjust unicast filters on underlying device */ + for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { + vlandev = vlan_group_get_device(grp, i); + if (!vlandev) + continue; + + vlan_sync_address(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++) { |