ixgbe: Make use of the default fdb handlers.

For fdb_add, use the default handler in the non-SRIOV case.
For the other fdb handlers, just remove them and use the
default ones.

CC: John Fastabend <john.r.fastabend@intel.com>
Acked-By: John Fastabend <john.r.fastabend@intel.com>
CC: CC: Gregory Rose <gregory.v.rose@intel.com>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -7007,7 +7007,7 @@ static int ixgbe_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 	int err;
 
 	if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
-		return -EOPNOTSUPP;
+		return ndo_dflt_fdb_add(ndm, tb, dev, addr, flags);
 
 	/* Hardware does not support aging addresses so if a
 	 * ndm_state is given only allow permanent addresses
@@ -7038,44 +7038,6 @@ static int ixgbe_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 	return err;
 }
 
-static int ixgbe_ndo_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
-			     struct net_device *dev,
-			     const unsigned char *addr)
-{
-	struct ixgbe_adapter *adapter = netdev_priv(dev);
-	int err = -EOPNOTSUPP;
-
-	if (ndm->ndm_state & NUD_PERMANENT) {
-		pr_info("%s: FDB only supports static addresses\n",
-			ixgbe_driver_name);
-		return -EINVAL;
-	}
-
-	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
-		if (is_unicast_ether_addr(addr))
-			err = dev_uc_del(dev, addr);
-		else if (is_multicast_ether_addr(addr))
-			err = dev_mc_del(dev, addr);
-		else
-			err = -EINVAL;
-	}
-
-	return err;
-}
-
-static int ixgbe_ndo_fdb_dump(struct sk_buff *skb,
-			      struct netlink_callback *cb,
-			      struct net_device *dev,
-			      int idx)
-{
-	struct ixgbe_adapter *adapter = netdev_priv(dev);
-
-	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
-		idx = ndo_dflt_fdb_dump(skb, cb, dev, idx);
-
-	return idx;
-}
-
 static int ixgbe_ndo_bridge_setlink(struct net_device *dev,
 				    struct nlmsghdr *nlh)
 {
@@ -7171,8 +7133,6 @@ static const struct net_device_ops ixgbe_netdev_ops = {
 	.ndo_set_features = ixgbe_set_features,
 	.ndo_fix_features = ixgbe_fix_features,
 	.ndo_fdb_add		= ixgbe_ndo_fdb_add,
-	.ndo_fdb_del		= ixgbe_ndo_fdb_del,
-	.ndo_fdb_dump		= ixgbe_ndo_fdb_dump,
 	.ndo_bridge_setlink	= ixgbe_ndo_bridge_setlink,
 	.ndo_bridge_getlink	= ixgbe_ndo_bridge_getlink,
 };