1 /*
2 * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33 #ifndef __MLX5_EN_TC_H__
34 #define __MLX5_EN_TC_H__
35
36 #include <net/pkt_cls.h>
37
38 #define MLX5E_TC_FLOW_ID_MASK 0x0000ffff
39
40 #ifdef CONFIG_MLX5_ESWITCH
41
42 enum {
43 MLX5E_TC_FLAG_INGRESS_BIT,
44 MLX5E_TC_FLAG_EGRESS_BIT,
45 MLX5E_TC_FLAG_NIC_OFFLOAD_BIT,
46 MLX5E_TC_FLAG_ESW_OFFLOAD_BIT,
47 MLX5E_TC_FLAG_LAST_EXPORTED_BIT = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT,
48 };
49
50 #define MLX5_TC_FLAG(flag) BIT(MLX5E_TC_FLAG_##flag##_BIT)
51
52 int mlx5e_tc_nic_init(struct mlx5e_priv *priv);
53 void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv);
54
55 int mlx5e_tc_esw_init(struct rhashtable *tc_ht);
56 void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht);
57
58 int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
59 struct flow_cls_offload *f, unsigned long flags);
60 int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv,
61 struct flow_cls_offload *f, unsigned long flags);
62
63 int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv,
64 struct flow_cls_offload *f, unsigned long flags);
65
66 int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv,
67 struct tc_cls_matchall_offload *f);
68 int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv,
69 struct tc_cls_matchall_offload *f);
70 void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv,
71 struct tc_cls_matchall_offload *ma);
72
73 struct mlx5e_encap_entry;
74 void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
75 struct mlx5e_encap_entry *e,
76 struct list_head *flow_list);
77 void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv,
78 struct mlx5e_encap_entry *e,
79 struct list_head *flow_list);
80 bool mlx5e_encap_take(struct mlx5e_encap_entry *e);
81 void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e);
82
83 void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list);
84 void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list);
85
86 struct mlx5e_neigh_hash_entry;
87 void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe);
88
89 int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags);
90
91 void mlx5e_tc_reoffload_flows_work(struct work_struct *work);
92
93 bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv,
94 struct net_device *out_dev);
95
96 #else /* CONFIG_MLX5_ESWITCH */
mlx5e_tc_nic_init(struct mlx5e_priv * priv)97 static inline int mlx5e_tc_nic_init(struct mlx5e_priv *priv) { return 0; }
mlx5e_tc_nic_cleanup(struct mlx5e_priv * priv)98 static inline void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) {}
mlx5e_tc_num_filters(struct mlx5e_priv * priv,unsigned long flags)99 static inline int mlx5e_tc_num_filters(struct mlx5e_priv *priv,
100 unsigned long flags)
101 {
102 return 0;
103 }
104 #endif
105
106 #endif /* __MLX5_EN_TC_H__ */
107
