xref: /linux/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h (revision 03ab8e6297acd1bc0eedaa050e2a1635c576fd11)
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 rhashtable ipv6_ht;
27 	struct list_head ipv6_addr_list; /* Saves hash table nodes. */
28 	struct mlxsw_sp *mlxsw_sp;
29 	const struct mlxsw_sp_nve_ops **nve_ops_arr;
30 	unsigned int num_nve_tunnels;	/* Protected by RTNL */
31 	unsigned int num_max_mc_entries[MLXSW_SP_L3_PROTO_MAX];
32 	u32 tunnel_index;
33 	u16 ul_rif_index;	/* Reserved for Spectrum */
34 };
35 
36 struct mlxsw_sp_nve_ops {
37 	enum mlxsw_sp_nve_type type;
38 	bool (*can_offload)(const struct mlxsw_sp_nve *nve,
39 			    const struct mlxsw_sp_nve_params *params,
40 			    struct netlink_ext_ack *extack);
41 	void (*nve_config)(const struct mlxsw_sp_nve *nve,
42 			   const struct mlxsw_sp_nve_params *params,
43 			   struct mlxsw_sp_nve_config *config);
44 	int (*init)(struct mlxsw_sp_nve *nve,
45 		    const struct mlxsw_sp_nve_config *config);
46 	void (*fini)(struct mlxsw_sp_nve *nve);
47 	int (*fdb_replay)(const struct net_device *nve_dev, __be32 vni,
48 			  struct netlink_ext_ack *extack);
49 	void (*fdb_clear_offload)(const struct net_device *nve_dev, __be32 vni);
50 };
51 
52 extern const struct mlxsw_sp_nve_ops mlxsw_sp1_nve_vxlan_ops;
53 extern const struct mlxsw_sp_nve_ops mlxsw_sp2_nve_vxlan_ops;
54 
55 #endif
56