mlxsw: spectrum_router: Don't batch neighbour deletion

Current firmware supported by the driver doesn't support batch deletion
of IPv6 neighbours on a given router interface (RIF).

Until a new version that supports this functionality is made available,
delete neighbours one by one.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index e6d629f40f93dcd9bc28e14b932fdf280aa27fb7..548552ccec3dc3543f872abbc23fc36c9567e704 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -1419,25 +1419,16 @@ static void mlxsw_sp_neigh_fini(struct mlxsw_sp *mlxsw_sp)
        rhashtable_destroy(&mlxsw_sp->router->neigh_ht);
 }
 
-static int mlxsw_sp_neigh_rif_flush(struct mlxsw_sp *mlxsw_sp,
-                                   const struct mlxsw_sp_rif *rif)
-{
-       char rauht_pl[MLXSW_REG_RAUHT_LEN];
-
-       mlxsw_reg_rauht_pack(rauht_pl, MLXSW_REG_RAUHT_OP_WRITE_DELETE_ALL,
-                            rif->rif_index, rif->addr);
-       return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rauht), rauht_pl);
-}
-
 static void mlxsw_sp_neigh_rif_gone_sync(struct mlxsw_sp *mlxsw_sp,
                                         struct mlxsw_sp_rif *rif)
 {
        struct mlxsw_sp_neigh_entry *neigh_entry, *tmp;
 
-       mlxsw_sp_neigh_rif_flush(mlxsw_sp, rif);
        list_for_each_entry_safe(neigh_entry, tmp, &rif->neigh_list,
-                                rif_list_node)
+                                rif_list_node) {
+               mlxsw_sp_neigh_entry_update(mlxsw_sp, neigh_entry, false);
                mlxsw_sp_neigh_entry_destroy(mlxsw_sp, neigh_entry);
+       }
 }
 
 struct mlxsw_sp_nexthop_key {