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_SPECTRUM_MCROUTER_H
5 #define _MLXSW_SPECTRUM_MCROUTER_H
6 
7 #include <linux/mroute.h>
8 #include <linux/mroute6.h>
9 #include "spectrum_router.h"
10 #include "spectrum.h"
11 
12 enum mlxsw_sp_mr_route_action {
13 	MLXSW_SP_MR_ROUTE_ACTION_FORWARD,
14 	MLXSW_SP_MR_ROUTE_ACTION_TRAP,
15 	MLXSW_SP_MR_ROUTE_ACTION_TRAP_AND_FORWARD,
16 };
17 
18 struct mlxsw_sp_mr_route_key {
19 	int vrid;
20 	enum mlxsw_sp_l3proto proto;
21 	union mlxsw_sp_l3addr group;
22 	union mlxsw_sp_l3addr group_mask;
23 	union mlxsw_sp_l3addr source;
24 	union mlxsw_sp_l3addr source_mask;
25 };
26 
27 struct mlxsw_sp_mr_route_info {
28 	enum mlxsw_sp_mr_route_action route_action;
29 	u16 irif_index;
30 	u16 *erif_indices;
31 	size_t erif_num;
32 	u16 min_mtu;
33 };
34 
35 struct mlxsw_sp_mr_route_params {
36 	struct mlxsw_sp_mr_route_key key;
37 	struct mlxsw_sp_mr_route_info value;
38 	enum mlxsw_sp_mr_route_prio prio;
39 };
40 
41 struct mlxsw_sp_mr_ops {
42 	int priv_size;
43 	int route_priv_size;
44 	int (*init)(struct mlxsw_sp *mlxsw_sp, void *priv);
45 	int (*route_create)(struct mlxsw_sp *mlxsw_sp, void *priv,
46 			    void *route_priv,
47 			    struct mlxsw_sp_mr_route_params *route_params);
48 	int (*route_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
49 			    struct mlxsw_sp_mr_route_info *route_info);
50 	int (*route_stats)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
51 			   u64 *packets, u64 *bytes);
52 	int (*route_action_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
53 				   enum mlxsw_sp_mr_route_action route_action);
54 	int (*route_min_mtu_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
55 				    u16 min_mtu);
56 	int (*route_irif_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
57 				 u16 irif_index);
58 	int (*route_erif_add)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
59 			      u16 erif_index);
60 	int (*route_erif_del)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
61 			      u16 erif_index);
62 	void (*route_destroy)(struct mlxsw_sp *mlxsw_sp, void *priv,
63 			      void *route_priv);
64 	void (*fini)(struct mlxsw_sp *mlxsw_sp, void *priv);
65 };
66 
67 struct mlxsw_sp_mr;
68 struct mlxsw_sp_mr_table;
69 
70 int mlxsw_sp_mr_init(struct mlxsw_sp *mlxsw_sp,
71 		     const struct mlxsw_sp_mr_ops *mr_ops);
72 void mlxsw_sp_mr_fini(struct mlxsw_sp *mlxsw_sp);
73 int mlxsw_sp_mr_route_add(struct mlxsw_sp_mr_table *mr_table,
74 			  struct mr_mfc *mfc, bool replace);
75 void mlxsw_sp_mr_route_del(struct mlxsw_sp_mr_table *mr_table,
76 			   struct mr_mfc *mfc);
77 int mlxsw_sp_mr_vif_add(struct mlxsw_sp_mr_table *mr_table,
78 			struct net_device *dev, vifi_t vif_index,
79 			unsigned long vif_flags,
80 			const struct mlxsw_sp_rif *rif);
81 void mlxsw_sp_mr_vif_del(struct mlxsw_sp_mr_table *mr_table, vifi_t vif_index);
82 int mlxsw_sp_mr_rif_add(struct mlxsw_sp_mr_table *mr_table,
83 			const struct mlxsw_sp_rif *rif);
84 void mlxsw_sp_mr_rif_del(struct mlxsw_sp_mr_table *mr_table,
85 			 const struct mlxsw_sp_rif *rif);
86 void mlxsw_sp_mr_rif_mtu_update(struct mlxsw_sp_mr_table *mr_table,
87 				const struct mlxsw_sp_rif *rif, int mtu);
88 struct mlxsw_sp_mr_table *mlxsw_sp_mr_table_create(struct mlxsw_sp *mlxsw_sp,
89 						   u32 tb_id,
90 						   enum mlxsw_sp_l3proto proto);
91 void mlxsw_sp_mr_table_destroy(struct mlxsw_sp_mr_table *mr_table);
92 void mlxsw_sp_mr_table_flush(struct mlxsw_sp_mr_table *mr_table);
93 bool mlxsw_sp_mr_table_empty(const struct mlxsw_sp_mr_table *mr_table);
94 
95 #endif
96