diff options
Diffstat (limited to 'net/8021q/vlan.c')
| -rw-r--r-- | net/8021q/vlan.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 0eb1a886b370..b2274d1fd605 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -49,11 +49,6 @@ const char vlan_version[] = DRV_VERSION; static const char vlan_copyright[] = "Ben Greear <greearb@candelatech.com>"; static const char vlan_buggyright[] = "David S. Miller <davem@redhat.com>"; -static struct packet_type vlan_packet_type __read_mostly = { - .type = cpu_to_be16(ETH_P_8021Q), - .func = vlan_skb_recv, /* VLAN receive method */ -}; - /* End of global variables definitions. */ static void vlan_group_free(struct vlan_group *grp) @@ -128,9 +123,10 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head) vlan_gvrp_request_leave(dev); vlan_group_set_device(grp, vlan_id, NULL); - if (!grp->killall) - synchronize_net(); - + /* Because unregister_netdevice_queue() makes sure at least one rcu + * grace period is respected before device freeing, + * we dont need to call synchronize_net() here. + */ unregister_netdevice_queue(dev, head); /* If the group is now empty, kill off the group. */ @@ -330,10 +326,6 @@ static void vlan_sync_address(struct net_device *dev, static void vlan_transfer_features(struct net_device *dev, struct net_device *vlandev) { - u32 old_features = vlandev->features; - - vlandev->features &= ~dev->vlan_features; - vlandev->features |= dev->features & dev->vlan_features; vlandev->gso_max_size = dev->gso_max_size; if (dev->features & NETIF_F_HW_VLAN_TX) @@ -344,8 +336,8 @@ static void vlan_transfer_features(struct net_device *dev, #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE) vlandev->fcoe_ddp_xid = dev->fcoe_ddp_xid; #endif - if (old_features != vlandev->features) - netdev_features_change(vlandev); + + netdev_update_features(vlandev); } static void __vlan_device_event(struct net_device *dev, unsigned long event) @@ -490,9 +482,6 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, if (dev->reg_state != NETREG_UNREGISTERING) break; - /* Delete all VLANs for this dev. */ - grp->killall = 1; - for (i = 0; i < VLAN_N_VID; i++) { vlandev = vlan_group_get_device(grp, i); if (!vlandev) @@ -511,6 +500,18 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, case NETDEV_PRE_TYPE_CHANGE: /* Forbid underlaying device to change its type. */ return NOTIFY_BAD; + + case NETDEV_NOTIFY_PEERS: + case NETDEV_BONDING_FAILOVER: + /* Propagate to vlan devices */ + for (i = 0; i < VLAN_N_VID; i++) { + vlandev = vlan_group_get_device(grp, i); + if (!vlandev) + continue; + + call_netdevice_notifiers(event, vlandev); + } + break; } out: @@ -691,7 +692,6 @@ static int __init vlan_proto_init(void) if (err < 0) goto err4; - dev_add_pack(&vlan_packet_type); vlan_ioctl_set(vlan_ioctl_handler); return 0; @@ -712,8 +712,6 @@ static void __exit vlan_cleanup_module(void) unregister_netdevice_notifier(&vlan_notifier_block); - dev_remove_pack(&vlan_packet_type); - unregister_pernet_subsys(&vlan_net_ops); rcu_barrier(); /* Wait for completion of call_rcu()'s */ |