2 * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
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:
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11 * without modification, are permitted provided that the following
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15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
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21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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33 #ifndef _MLX5_FS_CORE_
34 #define _MLX5_FS_CORE_
36 #include <linux/mlx5/fs.h>
47 enum fs_flow_table_type
{
53 FS_FTE_STATUS_EXISTING
= 1UL << 0,
57 struct list_head list
;
58 struct list_head children
;
59 enum fs_node_type type
;
60 struct fs_node
*parent
;
62 /* lock the node for writing and traversing */
65 void (*remove_func
)(struct fs_node
*);
68 struct mlx5_flow_rule
{
70 struct mlx5_flow_destination dest_attr
;
73 /* Type of children is mlx5_flow_group */
74 struct mlx5_flow_table
{
79 enum fs_flow_table_type type
;
82 unsigned int required_groups
;
83 unsigned int num_groups
;
87 /* Type of children is mlx5_flow_rule */
90 u32 val
[MLX5_ST_SZ_DW(fte_match_param
)];
95 enum fs_fte_status status
;
98 /* Type of children is mlx5_flow_table/namespace */
102 unsigned int start_level
;
107 /* Type of children is fs_prio */
108 struct mlx5_flow_namespace
{
109 /* parent == NULL => root ns */
113 struct mlx5_flow_group_mask
{
114 u8 match_criteria_enable
;
115 u32 match_criteria
[MLX5_ST_SZ_DW(fte_match_param
)];
118 /* Type of children is fs_fte */
119 struct mlx5_flow_group
{
121 struct mlx5_flow_group_mask mask
;
128 struct mlx5_flow_root_namespace
{
129 struct mlx5_flow_namespace ns
;
130 enum fs_flow_table_type table_type
;
131 struct mlx5_core_dev
*dev
;
132 struct mlx5_flow_table
*root_ft
;
133 /* Should be held when chaining flow tables */
134 struct mutex chain_lock
;
137 int mlx5_init_fs(struct mlx5_core_dev
*dev
);
138 void mlx5_cleanup_fs(struct mlx5_core_dev
*dev
);
140 #define fs_get_obj(v, _node) {v = container_of((_node), typeof(*v), node); }
142 #define fs_list_for_each_entry(pos, root) \
143 list_for_each_entry(pos, root, node.list)
145 #define fs_for_each_ns_or_ft_reverse(pos, prio) \
146 list_for_each_entry_reverse(pos, &(prio)->node.children, list)
148 #define fs_for_each_ns_or_ft(pos, prio) \
149 list_for_each_entry(pos, (&(prio)->node.children), list)
151 #define fs_for_each_prio(pos, ns) \
152 fs_list_for_each_entry(pos, &(ns)->node.children)
154 #define fs_for_each_ns(pos, prio) \
155 fs_list_for_each_entry(pos, &(prio)->node.children)
157 #define fs_for_each_ft(pos, prio) \
158 fs_list_for_each_entry(pos, &(prio)->node.children)
160 #define fs_for_each_fg(pos, ft) \
161 fs_list_for_each_entry(pos, &(ft)->node.children)
163 #define fs_for_each_fte(pos, fg) \
164 fs_list_for_each_entry(pos, &(fg)->node.children)
166 #define fs_for_each_dst(pos, fte) \
167 fs_list_for_each_entry(pos, &(fte)->node.children)