1 /* 2 * drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h 3 * Copyright (c) 2017 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2017 Petr Machata <petrm@mellanox.com> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the names of the copyright holders nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _MLXSW_IPIP_H_ 36 #define _MLXSW_IPIP_H_ 37 38 #include "spectrum_router.h" 39 #include <net/ip_fib.h> 40 41 struct ip_tunnel_parm 42 mlxsw_sp_ipip_netdev_parms(const struct net_device *ol_dev); 43 44 union mlxsw_sp_l3addr 45 mlxsw_sp_ipip_netdev_saddr(enum mlxsw_sp_l3proto proto, 46 const struct net_device *ol_dev); 47 48 enum mlxsw_sp_ipip_type { 49 MLXSW_SP_IPIP_TYPE_GRE4, 50 MLXSW_SP_IPIP_TYPE_MAX, 51 }; 52 53 struct mlxsw_sp_ipip_entry { 54 enum mlxsw_sp_ipip_type ipipt; 55 struct net_device *ol_dev; /* Overlay. */ 56 struct mlxsw_sp_rif_ipip_lb *ol_lb; 57 struct mlxsw_sp_fib_entry *decap_fib_entry; 58 struct list_head ipip_list_node; 59 struct ip_tunnel_parm parms; 60 }; 61 62 struct mlxsw_sp_ipip_ops { 63 int dev_type; 64 enum mlxsw_sp_l3proto ul_proto; /* Underlay. */ 65 66 int (*nexthop_update)(struct mlxsw_sp *mlxsw_sp, u32 adj_index, 67 struct mlxsw_sp_ipip_entry *ipip_entry); 68 69 bool (*can_offload)(const struct mlxsw_sp *mlxsw_sp, 70 const struct net_device *ol_dev, 71 enum mlxsw_sp_l3proto ol_proto); 72 73 /* Return a configuration for creating an overlay loopback RIF. */ 74 struct mlxsw_sp_rif_ipip_lb_config 75 (*ol_loopback_config)(struct mlxsw_sp *mlxsw_sp, 76 const struct net_device *ol_dev); 77 78 int (*fib_entry_op)(struct mlxsw_sp *mlxsw_sp, 79 struct mlxsw_sp_ipip_entry *ipip_entry, 80 enum mlxsw_reg_ralue_op op, 81 u32 tunnel_index); 82 83 int (*ol_netdev_change)(struct mlxsw_sp *mlxsw_sp, 84 struct mlxsw_sp_ipip_entry *ipip_entry, 85 struct netlink_ext_ack *extack); 86 }; 87 88 extern const struct mlxsw_sp_ipip_ops *mlxsw_sp_ipip_ops_arr[]; 89 90 #endif /* _MLXSW_IPIP_H_*/ 91