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 #include <net/ip6_tunnel.h> 11 12 struct ip_tunnel_parm_kern 13 mlxsw_sp_ipip_netdev_parms4(const struct net_device *ol_dev); 14 struct __ip6_tnl_parm 15 mlxsw_sp_ipip_netdev_parms6(const struct net_device *ol_dev); 16 17 union mlxsw_sp_l3addr 18 mlxsw_sp_ipip_netdev_saddr(enum mlxsw_sp_l3proto proto, 19 const struct net_device *ol_dev); 20 21 bool mlxsw_sp_l3addr_is_zero(union mlxsw_sp_l3addr addr); 22 23 enum mlxsw_sp_ipip_type { 24 MLXSW_SP_IPIP_TYPE_GRE4, 25 MLXSW_SP_IPIP_TYPE_GRE6, 26 MLXSW_SP_IPIP_TYPE_MAX, 27 }; 28 29 struct mlxsw_sp_ipip_parms { 30 enum mlxsw_sp_l3proto proto; 31 union mlxsw_sp_l3addr saddr; 32 union mlxsw_sp_l3addr daddr; 33 int link; 34 u32 ikey; 35 u32 okey; 36 }; 37 38 struct mlxsw_sp_ipip_entry { 39 enum mlxsw_sp_ipip_type ipipt; 40 struct net_device *ol_dev; /* Overlay. */ 41 struct mlxsw_sp_rif_ipip_lb *ol_lb; 42 struct mlxsw_sp_fib_entry *decap_fib_entry; 43 struct list_head ipip_list_node; 44 struct mlxsw_sp_ipip_parms parms; 45 u32 dip_kvdl_index; 46 }; 47 48 struct mlxsw_sp_ipip_ops { 49 int dev_type; 50 enum mlxsw_sp_l3proto ul_proto; /* Underlay. */ 51 bool inc_parsing_depth; 52 bool double_rif_entry; 53 54 struct mlxsw_sp_ipip_parms 55 (*parms_init)(const struct net_device *ol_dev); 56 57 int (*nexthop_update)(struct mlxsw_sp *mlxsw_sp, u32 adj_index, 58 struct mlxsw_sp_ipip_entry *ipip_entry, 59 bool force, char *ratr_pl); 60 61 bool (*can_offload)(const struct mlxsw_sp *mlxsw_sp, 62 const struct net_device *ol_dev); 63 64 /* Return a configuration for creating an overlay loopback RIF. */ 65 struct mlxsw_sp_rif_ipip_lb_config 66 (*ol_loopback_config)(struct mlxsw_sp *mlxsw_sp, 67 const struct net_device *ol_dev); 68 69 int (*decap_config)(struct mlxsw_sp *mlxsw_sp, 70 struct mlxsw_sp_ipip_entry *ipip_entry, 71 u32 tunnel_index); 72 73 int (*ol_netdev_change)(struct mlxsw_sp *mlxsw_sp, 74 struct mlxsw_sp_ipip_entry *ipip_entry, 75 struct netlink_ext_ack *extack); 76 int (*rem_ip_addr_set)(struct mlxsw_sp *mlxsw_sp, 77 struct mlxsw_sp_ipip_entry *ipip_entry); 78 void (*rem_ip_addr_unset)(struct mlxsw_sp *mlxsw_sp, 79 const struct mlxsw_sp_ipip_entry *ipip_entry); 80 }; 81 82 extern const struct mlxsw_sp_ipip_ops *mlxsw_sp1_ipip_ops_arr[]; 83 extern const struct mlxsw_sp_ipip_ops *mlxsw_sp2_ipip_ops_arr[]; 84 85 #endif /* _MLXSW_IPIP_H_*/ 86