1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /* Copyright (c) 2018 Mellanox Technologies. All rights reserved */
3 
4 #ifndef _MLXSW_SPECTRUM_NVE_H
5 #define _MLXSW_SPECTRUM_NVE_H
6 
7 #include <linux/netlink.h>
8 #include <linux/rhashtable.h>
9 
10 #include "spectrum.h"
11 
12 struct mlxsw_sp_nve_config {
13 	enum mlxsw_sp_nve_type type;
14 	u8 ttl;
15 	u8 learning_en:1;
16 	__be16 udp_dport;
17 	__be32 flowlabel;
18 	u32 ul_tb_id;
19 	enum mlxsw_sp_l3proto ul_proto;
20 	union mlxsw_sp_l3addr ul_sip;
21 };
22 
23 struct mlxsw_sp_nve {
24 	struct mlxsw_sp_nve_config config;
25 	struct rhashtable mc_list_ht;
26 	struct mlxsw_sp *mlxsw_sp;
27 	const struct mlxsw_sp_nve_ops **nve_ops_arr;
28 	unsigned int num_nve_tunnels;	/* Protected by RTNL */
29 	unsigned int num_max_mc_entries[MLXSW_SP_L3_PROTO_MAX];
30 	u32 tunnel_index;
31 	u16 ul_rif_index;	/* Reserved for Spectrum */
32 	unsigned int inc_parsing_depth_refs;
33 };
34 
35 struct mlxsw_sp_nve_ops {
36 	enum mlxsw_sp_nve_type type;
37 	bool (*can_offload)(const struct mlxsw_sp_nve *nve,
38 			    const struct net_device *dev,
39 			    struct netlink_ext_ack *extack);
40 	void (*nve_config)(const struct mlxsw_sp_nve *nve,
41 			   const struct net_device *dev,
42 			   struct mlxsw_sp_nve_config *config);
43 	int (*init)(struct mlxsw_sp_nve *nve,
44 		    const struct mlxsw_sp_nve_config *config);
45 	void (*fini)(struct mlxsw_sp_nve *nve);
46 	int (*fdb_replay)(const struct net_device *nve_dev, __be32 vni,
47 			  struct netlink_ext_ack *extack);
48 	void (*fdb_clear_offload)(const struct net_device *nve_dev, __be32 vni);
49 };
50 
51 extern const struct mlxsw_sp_nve_ops mlxsw_sp1_nve_vxlan_ops;
52 extern const struct mlxsw_sp_nve_ops mlxsw_sp2_nve_vxlan_ops;
53 
54 #endif
55