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_LAG,
58 MLX5_FLOW_NAMESPACE_OFFLOADS,
59 MLX5_FLOW_NAMESPACE_ETHTOOL,
60 MLX5_FLOW_NAMESPACE_KERNEL,
61 MLX5_FLOW_NAMESPACE_LEFTOVERS,
62 MLX5_FLOW_NAMESPACE_ANCHOR,
63 MLX5_FLOW_NAMESPACE_FDB,
64 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
65 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
66 MLX5_FLOW_NAMESPACE_SNIFFER_RX,
67 MLX5_FLOW_NAMESPACE_SNIFFER_TX,
68};
69
70struct mlx5_flow_table;
71struct mlx5_flow_group;
72struct mlx5_flow_rule;
73struct mlx5_flow_namespace;
74
75struct mlx5_flow_spec {
76 u8 match_criteria_enable;
77 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
78 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
79};
80
81struct mlx5_flow_destination {
82 enum mlx5_flow_destination_type type;
83 union {
84 u32 tir_num;
85 struct mlx5_flow_table *ft;
86 u32 vport_num;
87 struct mlx5_fc *counter;
88 };
89};
90
91struct mlx5_flow_namespace *
92mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
93 enum mlx5_flow_namespace_type type);
94
95struct mlx5_flow_table *
96mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
97 int prio,
98 int num_flow_table_entries,
99 int max_num_groups,
100 u32 level);
101
102struct mlx5_flow_table *
103mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
104 int prio,
105 int num_flow_table_entries,
106 u32 level);
107struct mlx5_flow_table *
108mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
109 int prio,
110 int num_flow_table_entries,
111 u32 level, u16 vport);
112struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
113 struct mlx5_flow_namespace *ns,
114 int prio, u32 level);
115int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
116
117/* inbox should be set with the following values:
118 * start_flow_index
119 * end_flow_index
120 * match_criteria_enable
121 * match_criteria
122 */
123struct mlx5_flow_group *
124mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
125void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
126
127/* Single destination per rule.
128 * Group ID is implied by the match criteria.
129 */
130struct mlx5_flow_rule *
131mlx5_add_flow_rule(struct mlx5_flow_table *ft,
132 struct mlx5_flow_spec *spec,
133 u32 action,
134 u32 flow_tag,
135 struct mlx5_flow_destination *dest);
136void mlx5_del_flow_rule(struct mlx5_flow_rule *fr);
137
138int mlx5_modify_rule_destination(struct mlx5_flow_rule *rule,
139 struct mlx5_flow_destination *dest);
140
141struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_rule *rule);
142struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
143void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
144void mlx5_fc_query_cached(struct mlx5_fc *counter,
145 u64 *bytes, u64 *packets, u64 *lastuse);
146
147#endif