root/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2 /* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
   3 
   4 #ifndef _MLXSW_IPIP_H_
   5 #define _MLXSW_IPIP_H_
   6 
   7 #include "spectrum_router.h"
   8 #include <net/ip_fib.h>
   9 #include <linux/if_tunnel.h>
  10 
  11 struct ip_tunnel_parm
  12 mlxsw_sp_ipip_netdev_parms4(const struct net_device *ol_dev);
  13 struct __ip6_tnl_parm
  14 mlxsw_sp_ipip_netdev_parms6(const struct net_device *ol_dev);
  15 
  16 union mlxsw_sp_l3addr
  17 mlxsw_sp_ipip_netdev_saddr(enum mlxsw_sp_l3proto proto,
  18                            const struct net_device *ol_dev);
  19 
  20 bool mlxsw_sp_l3addr_is_zero(union mlxsw_sp_l3addr addr);
  21 
  22 enum mlxsw_sp_ipip_type {
  23         MLXSW_SP_IPIP_TYPE_GRE4,
  24         MLXSW_SP_IPIP_TYPE_MAX,
  25 };
  26 
  27 struct mlxsw_sp_ipip_entry {
  28         enum mlxsw_sp_ipip_type ipipt;
  29         struct net_device *ol_dev; /* Overlay. */
  30         struct mlxsw_sp_rif_ipip_lb *ol_lb;
  31         struct mlxsw_sp_fib_entry *decap_fib_entry;
  32         struct list_head ipip_list_node;
  33         union {
  34                 struct ip_tunnel_parm parms4;
  35         };
  36 };
  37 
  38 struct mlxsw_sp_ipip_ops {
  39         int dev_type;
  40         enum mlxsw_sp_l3proto ul_proto; /* Underlay. */
  41 
  42         int (*nexthop_update)(struct mlxsw_sp *mlxsw_sp, u32 adj_index,
  43                               struct mlxsw_sp_ipip_entry *ipip_entry);
  44 
  45         bool (*can_offload)(const struct mlxsw_sp *mlxsw_sp,
  46                             const struct net_device *ol_dev,
  47                             enum mlxsw_sp_l3proto ol_proto);
  48 
  49         /* Return a configuration for creating an overlay loopback RIF. */
  50         struct mlxsw_sp_rif_ipip_lb_config
  51         (*ol_loopback_config)(struct mlxsw_sp *mlxsw_sp,
  52                               const struct net_device *ol_dev);
  53 
  54         int (*fib_entry_op)(struct mlxsw_sp *mlxsw_sp,
  55                             struct mlxsw_sp_ipip_entry *ipip_entry,
  56                             enum mlxsw_reg_ralue_op op,
  57                             u32 tunnel_index);
  58 
  59         int (*ol_netdev_change)(struct mlxsw_sp *mlxsw_sp,
  60                                 struct mlxsw_sp_ipip_entry *ipip_entry,
  61                                 struct netlink_ext_ack *extack);
  62 };
  63 
  64 extern const struct mlxsw_sp_ipip_ops *mlxsw_sp_ipip_ops_arr[];
  65 
  66 #endif /* _MLXSW_IPIP_H_*/