switchdev: add new switchdev_port_bridge_dellink

Same change as setlink.  Provide the wrapper op for SELF ndo_bridge_dellink
and call into the switchdev driver to delete afspec VLANs.

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 12 deletions

diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index dcdec9de9137..8ce678e397b4 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -512,27 +512,27 @@ int switchdev_port_bridge_setlink(struct net_device *dev,
 EXPORT_SYMBOL_GPL(switchdev_port_bridge_setlink);
 
 /**
- *      switchdev_port_bridge_dellink - Notify switch device port of bridge
- *      port attribute delete
+ *      switchdev_port_bridge_dellink - Set bridge port attributes
  *
  *      @dev: port device
- *      @nlh: netlink msg with bridge port attributes
- *      @flags: bridge setlink flags
+ *      @nlh: netlink header
+ *      @flags: netlink flags
  *
- *      Notify switch device port of bridge port attribute delete
+ *      Called for SELF on rtnl_bridge_dellink to set bridge port
+ *      attributes.
  */
 int switchdev_port_bridge_dellink(struct net_device *dev,
                                   struct nlmsghdr *nlh, u16 flags)
 {
-        const struct net_device_ops *ops = dev->netdev_ops;
-
-        if (!(dev->features & NETIF_F_HW_SWITCH_OFFLOAD))
-                return 0;
+        struct nlattr *afspec;
 
-        if (!ops->ndo_bridge_dellink)
-                return -EOPNOTSUPP;
+        afspec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg),
+                                 IFLA_AF_SPEC);
+        if (afspec)
+                return switchdev_port_br_afspec(dev, afspec,
+                                                switchdev_port_obj_del);
 
-        return ops->ndo_bridge_dellink(dev, nlh, flags);
+        return 0;
 }
 EXPORT_SYMBOL_GPL(switchdev_port_bridge_dellink);