Linux kernel mirror (for testing)
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linux
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_OFFLOADS,
58 MLX5_FLOW_NAMESPACE_ETHTOOL,
59 MLX5_FLOW_NAMESPACE_KERNEL,
60 MLX5_FLOW_NAMESPACE_LEFTOVERS,
61 MLX5_FLOW_NAMESPACE_ANCHOR,
62 MLX5_FLOW_NAMESPACE_FDB,
63 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
64 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
65};
66
67struct mlx5_flow_table;
68struct mlx5_flow_group;
69struct mlx5_flow_rule;
70struct mlx5_flow_namespace;
71
72struct mlx5_flow_spec {
73 u8 match_criteria_enable;
74 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
75 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
76};
77
78struct mlx5_flow_destination {
79 enum mlx5_flow_destination_type type;
80 union {
81 u32 tir_num;
82 struct mlx5_flow_table *ft;
83 u32 vport_num;
84 struct mlx5_fc *counter;
85 };
86};
87
88struct mlx5_flow_namespace *
89mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
90 enum mlx5_flow_namespace_type type);
91
92struct mlx5_flow_table *
93mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
94 int prio,
95 int num_flow_table_entries,
96 int max_num_groups,
97 u32 level);
98
99struct mlx5_flow_table *
100mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
101 int prio,
102 int num_flow_table_entries,
103 u32 level);
104struct mlx5_flow_table *
105mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
106 int prio,
107 int num_flow_table_entries,
108 u32 level, u16 vport);
109int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
110
111/* inbox should be set with the following values:
112 * start_flow_index
113 * end_flow_index
114 * match_criteria_enable
115 * match_criteria
116 */
117struct mlx5_flow_group *
118mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
119void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
120
121/* Single destination per rule.
122 * Group ID is implied by the match criteria.
123 */
124struct mlx5_flow_rule *
125mlx5_add_flow_rule(struct mlx5_flow_table *ft,
126 struct mlx5_flow_spec *spec,
127 u32 action,
128 u32 flow_tag,
129 struct mlx5_flow_destination *dest);
130void mlx5_del_flow_rule(struct mlx5_flow_rule *fr);
131
132int mlx5_modify_rule_destination(struct mlx5_flow_rule *rule,
133 struct mlx5_flow_destination *dest);
134
135struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_rule *rule);
136struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
137void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
138void mlx5_fc_query_cached(struct mlx5_fc *counter,
139 u64 *bytes, u64 *packets, u64 *lastuse);
140
141#endif