diff options
| -rw-r--r-- | net/bridge/br_vlan.c | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 13013fe8db24..17fc358a5432 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -2,6 +2,7 @@ #include <linux/netdevice.h> #include <linux/rtnetlink.h> #include <linux/slab.h> +#include <net/switchdev.h> #include "br_private.h" @@ -36,6 +37,36 @@ static void __vlan_add_flags(struct net_port_vlans *v, u16 vid, u16 flags) clear_bit(vid, v->untagged_bitmap); } +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; + int err; + + /* If driver uses VLAN ndo ops, use 8021q to install vid + * on device, otherwise try switchdev ops to install vid. + */ + + if (ops->ndo_vlan_rx_add_vid) { + err = vlan_vid_add(dev, br->vlan_proto, vid); + } else { + struct switchdev_obj vlan_obj = { + .id = SWITCHDEV_OBJ_PORT_VLAN, + .u.vlan = { + .flags = flags, + .vid_start = vid, + .vid_end = vid, + }, + }; + + err = switchdev_port_obj_add(dev, &vlan_obj); + if (err == -EOPNOTSUPP) + err = 0; + } + + return err; +} + static int __vlan_add(struct net_port_vlans *v, u16 vid, u16 flags) { struct net_bridge_port *p = NULL; @@ -62,7 +93,7 @@ static int __vlan_add(struct net_port_vlans *v, u16 vid, u16 flags) * This ensures tagged traffic enters the bridge when * promiscuous mode is disabled by br_manage_promisc(). */ - err = vlan_vid_add(dev, br->vlan_proto, vid); + err = __vlan_vid_add(dev, br, vid, flags); if (err) return err; } @@ -86,6 +117,30 @@ out_filt: return err; } +static void __vlan_vid_del(struct net_device *dev, struct net_bridge *br, + u16 vid) +{ + const struct net_device_ops *ops = dev->netdev_ops; + + /* If driver uses VLAN ndo ops, use 8021q to delete vid + * on device, otherwise try switchdev ops to delete vid. + */ + + if (ops->ndo_vlan_rx_kill_vid) { + vlan_vid_del(dev, br->vlan_proto, vid); + } else { + struct switchdev_obj vlan_obj = { + .id = SWITCHDEV_OBJ_PORT_VLAN, + .u.vlan = { + .vid_start = vid, + .vid_end = vid, + }, + }; + + switchdev_port_obj_del(dev, &vlan_obj); + } +} + static int __vlan_del(struct net_port_vlans *v, u16 vid) { if (!test_bit(vid, v->vlan_bitmap)) @@ -96,7 +151,7 @@ static int __vlan_del(struct net_port_vlans *v, u16 vid) if (v->port_idx) { struct net_bridge_port *p = v->parent.port; - vlan_vid_del(p->dev, p->br->vlan_proto, vid); + __vlan_vid_del(p->dev, p->br, vid); } clear_bit(vid, v->vlan_bitmap); |