tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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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
45enum {
46 MLX5_FLOW_TABLE_TUNNEL_EN = BIT(0),
47};
48
49#define LEFTOVERS_RULE_NUM 2
50static inline void build_leftovers_ft_param(int *priority,
51 int *n_ent,
52 int *n_grp)
53{
54 *priority = 0; /* Priority of leftovers_prio-0 */
55 *n_ent = LEFTOVERS_RULE_NUM;
56 *n_grp = LEFTOVERS_RULE_NUM;
57}
58
59enum mlx5_flow_namespace_type {
60 MLX5_FLOW_NAMESPACE_BYPASS,
61 MLX5_FLOW_NAMESPACE_LAG,
62 MLX5_FLOW_NAMESPACE_OFFLOADS,
63 MLX5_FLOW_NAMESPACE_ETHTOOL,
64 MLX5_FLOW_NAMESPACE_KERNEL,
65 MLX5_FLOW_NAMESPACE_LEFTOVERS,
66 MLX5_FLOW_NAMESPACE_ANCHOR,
67 MLX5_FLOW_NAMESPACE_FDB,
68 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
69 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
70 MLX5_FLOW_NAMESPACE_SNIFFER_RX,
71 MLX5_FLOW_NAMESPACE_SNIFFER_TX,
72};
73
74struct mlx5_flow_table;
75struct mlx5_flow_group;
76struct mlx5_flow_namespace;
77struct mlx5_flow_handle;
78
79struct mlx5_flow_spec {
80 u8 match_criteria_enable;
81 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
82 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
83};
84
85struct mlx5_flow_destination {
86 enum mlx5_flow_destination_type type;
87 union {
88 u32 tir_num;
89 struct mlx5_flow_table *ft;
90 u32 vport_num;
91 struct mlx5_fc *counter;
92 };
93};
94
95struct mlx5_flow_namespace *
96mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
97 enum mlx5_flow_namespace_type type);
98
99struct mlx5_flow_table *
100mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
101 int prio,
102 int num_flow_table_entries,
103 int max_num_groups,
104 u32 level,
105 u32 flags);
106
107struct mlx5_flow_table *
108mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
109 int prio,
110 int num_flow_table_entries,
111 u32 level,
112 u32 flags);
113struct mlx5_flow_table *
114mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
115 int prio,
116 int num_flow_table_entries,
117 u32 level, u16 vport);
118struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
119 struct mlx5_flow_namespace *ns,
120 int prio, u32 level);
121int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
122
123/* inbox should be set with the following values:
124 * start_flow_index
125 * end_flow_index
126 * match_criteria_enable
127 * match_criteria
128 */
129struct mlx5_flow_group *
130mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
131void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
132
133struct mlx5_flow_act {
134 u32 action;
135 u32 flow_tag;
136 u32 encap_id;
137};
138
139/* Single destination per rule.
140 * Group ID is implied by the match criteria.
141 */
142struct mlx5_flow_handle *
143mlx5_add_flow_rules(struct mlx5_flow_table *ft,
144 struct mlx5_flow_spec *spec,
145 struct mlx5_flow_act *flow_act,
146 struct mlx5_flow_destination *dest,
147 int dest_num);
148void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
149
150int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
151 struct mlx5_flow_destination *new_dest,
152 struct mlx5_flow_destination *old_dest);
153
154struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_handle *handler);
155struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
156void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
157void mlx5_fc_query_cached(struct mlx5_fc *counter,
158 u64 *bytes, u64 *packets, u64 *lastuse);
159
160#endif