Linux kernel mirror (for testing)
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1/*
2 * Copyright (c) 2015, 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_FS_
34#define _MLX5_FS_
35
36#include <linux/mlx5/driver.h>
37#include <linux/mlx5/mlx5_ifc.h>
38
39#define MLX5_FS_DEFAULT_FLOW_TAG 0x0
40
41enum {
42 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16,
43};
44
45#define LEFTOVERS_RULE_NUM 2
46static inline void build_leftovers_ft_param(int *priority,
47 int *n_ent,
48 int *n_grp)
49{
50 *priority = 0; /* Priority of leftovers_prio-0 */
51 *n_ent = LEFTOVERS_RULE_NUM;
52 *n_grp = LEFTOVERS_RULE_NUM;
53}
54
55enum mlx5_flow_namespace_type {
56 MLX5_FLOW_NAMESPACE_BYPASS,
57 MLX5_FLOW_NAMESPACE_KERNEL,
58 MLX5_FLOW_NAMESPACE_LEFTOVERS,
59 MLX5_FLOW_NAMESPACE_ANCHOR,
60 MLX5_FLOW_NAMESPACE_FDB,
61 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
62 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
63};
64
65struct mlx5_flow_table;
66struct mlx5_flow_group;
67struct mlx5_flow_rule;
68struct mlx5_flow_namespace;
69
70struct mlx5_flow_destination {
71 enum mlx5_flow_destination_type type;
72 union {
73 u32 tir_num;
74 struct mlx5_flow_table *ft;
75 u32 vport_num;
76 struct mlx5_fc *counter;
77 };
78};
79
80struct mlx5_flow_namespace *
81mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
82 enum mlx5_flow_namespace_type type);
83
84struct mlx5_flow_table *
85mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
86 int prio,
87 int num_flow_table_entries,
88 int max_num_groups,
89 u32 level);
90
91struct mlx5_flow_table *
92mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
93 int prio,
94 int num_flow_table_entries,
95 u32 level);
96struct mlx5_flow_table *
97mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
98 int prio,
99 int num_flow_table_entries,
100 u32 level, u16 vport);
101int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
102
103/* inbox should be set with the following values:
104 * start_flow_index
105 * end_flow_index
106 * match_criteria_enable
107 * match_criteria
108 */
109struct mlx5_flow_group *
110mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
111void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
112
113/* Single destination per rule.
114 * Group ID is implied by the match criteria.
115 */
116struct mlx5_flow_rule *
117mlx5_add_flow_rule(struct mlx5_flow_table *ft,
118 u8 match_criteria_enable,
119 u32 *match_criteria,
120 u32 *match_value,
121 u32 action,
122 u32 flow_tag,
123 struct mlx5_flow_destination *dest);
124void mlx5_del_flow_rule(struct mlx5_flow_rule *fr);
125
126int mlx5_modify_rule_destination(struct mlx5_flow_rule *rule,
127 struct mlx5_flow_destination *dest);
128
129struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_rule *rule);
130struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
131void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
132void mlx5_fc_query_cached(struct mlx5_fc *counter,
133 u64 *bytes, u64 *packets, u64 *lastuse);
134
135#endif