mlxsw: spectrum_router: Add neighbour offload indication

In a similar fashion to routes and FDB entries, the neighbour table is
reflected to the device.

Set an offload indication on the neighbour in case it was programmed to
the device.

Signed-off-by: Ido Schimmel <[email protected]>
Acked-by: Jiri Pirko <[email protected]>
Reviewed-by: David Ahern <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: idosch

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

@@ -2444,7 +2444,13 @@ mlxsw_sp_neigh_entry_update(struct mlxsw_sp *mlxsw_sp,
 			return;
 	} else {
 		WARN_ON_ONCE(1);
+		return;
 	}
+
+	if (adding)
+		neigh_entry->key.n->flags |= NTF_OFFLOADED;
+	else
+		neigh_entry->key.n->flags &= ~NTF_OFFLOADED;
 }
 
 void