diff options
Diffstat (limited to 'drivers/net/macvlan.c')
| -rw-r--r-- | drivers/net/macvlan.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 73abbc1655d5..1c502bb0c916 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -46,9 +46,16 @@ struct macvlan_port { static void macvlan_port_destroy(struct net_device *dev); -#define macvlan_port_get_rcu(dev) \ - ((struct macvlan_port *) rcu_dereference(dev->rx_handler_data)) -#define macvlan_port_get(dev) ((struct macvlan_port *) dev->rx_handler_data) +static struct macvlan_port *macvlan_port_get_rcu(const struct net_device *dev) +{ + return rcu_dereference(dev->rx_handler_data); +} + +static struct macvlan_port *macvlan_port_get_rtnl(const struct net_device *dev) +{ + return rtnl_dereference(dev->rx_handler_data); +} + #define macvlan_port_exists(dev) (dev->priv_flags & IFF_MACVLAN_PORT) static struct macvlan_dev *macvlan_hash_lookup(const struct macvlan_port *port, @@ -222,7 +229,8 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) } if (port->passthru) - vlan = list_first_entry(&port->vlans, struct macvlan_dev, list); + vlan = list_first_or_null_rcu(&port->vlans, + struct macvlan_dev, list); else vlan = macvlan_hash_lookup(port, eth->h_dest); if (vlan == NULL) @@ -464,7 +472,7 @@ static struct lock_class_key macvlan_netdev_addr_lock_key; (NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ NETIF_F_GSO | NETIF_F_TSO | NETIF_F_UFO | NETIF_F_GSO_ROBUST | \ NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_GRO | NETIF_F_RXCSUM | \ - NETIF_F_HW_VLAN_FILTER) + NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER) #define MACVLAN_STATE_MASK \ ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT)) @@ -560,21 +568,21 @@ static struct rtnl_link_stats64 *macvlan_dev_get_stats64(struct net_device *dev, } static int macvlan_vlan_rx_add_vid(struct net_device *dev, - unsigned short vid) + __be16 proto, u16 vid) { struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; - return vlan_vid_add(lowerdev, vid); + return vlan_vid_add(lowerdev, proto, vid); } static int macvlan_vlan_rx_kill_vid(struct net_device *dev, - unsigned short vid) + __be16 proto, u16 vid) { struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; - vlan_vid_del(lowerdev, vid); + vlan_vid_del(lowerdev, proto, vid); return 0; } @@ -703,7 +711,7 @@ static int macvlan_port_create(struct net_device *dev) static void macvlan_port_destroy(struct net_device *dev) { - struct macvlan_port *port = macvlan_port_get(dev); + struct macvlan_port *port = macvlan_port_get_rtnl(dev); dev->priv_flags &= ~IFF_MACVLAN_PORT; netdev_rx_handler_unregister(dev); @@ -772,7 +780,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, if (err < 0) return err; } - port = macvlan_port_get(lowerdev); + port = macvlan_port_get_rtnl(lowerdev); /* Only 1 macvlan device can be created in passthru mode */ if (port->passthru) @@ -807,7 +815,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, if (err < 0) goto upper_dev_unlink; - list_add_tail(&vlan->list, &port->vlans); + list_add_tail_rcu(&vlan->list, &port->vlans); netif_stacked_transfer_operstate(lowerdev, dev); return 0; @@ -835,7 +843,7 @@ void macvlan_dellink(struct net_device *dev, struct list_head *head) { struct macvlan_dev *vlan = netdev_priv(dev); - list_del(&vlan->list); + list_del_rcu(&vlan->list); unregister_netdevice_queue(dev, head); netdev_upper_dev_unlink(vlan->lowerdev, dev); } @@ -921,7 +929,7 @@ static int macvlan_device_event(struct notifier_block *unused, if (!macvlan_port_exists(dev)) return NOTIFY_DONE; - port = macvlan_port_get(dev); + port = macvlan_port_get_rtnl(dev); switch (event) { case NETDEV_CHANGE: |