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| author | Jiri Pirko <jiri@mellanox.com> | 2015-10-09 13:54:11 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-10-12 19:35:20 -0700 |
| commit | 0944d6b5a2fad9ba3b7abb2e94a6b7d40cd4a935 (patch) | |
| tree | c59017b588ec662c7d324bfb502a71b3b30cc644 | |
| parent | 3703ebe4035044dea3749fcdd1c0849937147959 (diff) | |
| download | linux-stable-0944d6b5a2fad9ba3b7abb2e94a6b7d40cd4a935.tar.gz linux-stable-0944d6b5a2fad9ba3b7abb2e94a6b7d40cd4a935.tar.bz2 linux-stable-0944d6b5a2fad9ba3b7abb2e94a6b7d40cd4a935.zip | |
bridge: try switchdev op first in __vlan_vid_add/del
Some drivers need to implement both switchdev vlan ops and
vid_add/kill ndos. For that to work in bridge code, we need to try
switchdev op first when adding/deleting vlan id.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/bridge/br_vlan.c | 58 |
1 files changed, 22 insertions, 36 deletions
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 7a95e31f782f..ad7e4f6b6d6b 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -72,28 +72,20 @@ static void __vlan_add_flags(struct net_bridge_vlan *v, u16 flags) static int __vlan_vid_add(struct net_device *dev, struct net_bridge *br, u16 vid, u16 flags) { - const struct net_device_ops *ops = dev->netdev_ops; + struct switchdev_obj_port_vlan v = { + .obj.id = SWITCHDEV_OBJ_ID_PORT_VLAN, + .flags = flags, + .vid_begin = vid, + .vid_end = vid, + }; int err; - /* If driver uses VLAN ndo ops, use 8021q to install vid - * on device, otherwise try switchdev ops to install vid. + /* Try switchdev op first. In case it is not supported, fallback to + * 8021q add. */ - - if (ops->ndo_vlan_rx_add_vid) { - err = vlan_vid_add(dev, br->vlan_proto, vid); - } else { - struct switchdev_obj_port_vlan v = { - .obj.id = SWITCHDEV_OBJ_ID_PORT_VLAN, - .flags = flags, - .vid_begin = vid, - .vid_end = vid, - }; - - err = switchdev_port_obj_add(dev, &v.obj); - if (err == -EOPNOTSUPP) - err = 0; - } - + err = switchdev_port_obj_add(dev, &v.obj); + if (err == -EOPNOTSUPP) + return vlan_vid_add(dev, br->vlan_proto, vid); return err; } @@ -122,27 +114,21 @@ static void __vlan_del_list(struct net_bridge_vlan *v) static int __vlan_vid_del(struct net_device *dev, struct net_bridge *br, u16 vid) { - const struct net_device_ops *ops = dev->netdev_ops; - int err = 0; + struct switchdev_obj_port_vlan v = { + .obj.id = SWITCHDEV_OBJ_ID_PORT_VLAN, + .vid_begin = vid, + .vid_end = vid, + }; + int err; - /* If driver uses VLAN ndo ops, use 8021q to delete vid - * on device, otherwise try switchdev ops to delete vid. + /* Try switchdev op first. In case it is not supported, fallback to + * 8021q del. */ - - if (ops->ndo_vlan_rx_kill_vid) { + err = switchdev_port_obj_del(dev, &v.obj); + if (err == -EOPNOTSUPP) { vlan_vid_del(dev, br->vlan_proto, vid); - } else { - struct switchdev_obj_port_vlan v = { - .obj.id = SWITCHDEV_OBJ_ID_PORT_VLAN, - .vid_begin = vid, - .vid_end = vid, - }; - - err = switchdev_port_obj_del(dev, &v.obj); - if (err == -EOPNOTSUPP) - err = 0; + return 0; } - return err; } |