2 * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
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6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
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15 * copyright notice, this list of conditions and the following
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23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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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
{
49 FS_FT_ESW_EGRESS_ACL
= 0x2,
50 FS_FT_ESW_INGRESS_ACL
= 0x3,
55 FS_FTE_STATUS_EXISTING
= 1UL << 0,
58 struct mlx5_flow_steering
{
59 struct mlx5_core_dev
*dev
;
60 struct mlx5_flow_root_namespace
*root_ns
;
61 struct mlx5_flow_root_namespace
*fdb_root_ns
;
62 struct mlx5_flow_root_namespace
*esw_egress_root_ns
;
63 struct mlx5_flow_root_namespace
*esw_ingress_root_ns
;
67 struct list_head list
;
68 struct list_head children
;
69 enum fs_node_type type
;
70 struct fs_node
*parent
;
72 /* lock the node for writing and traversing */
75 void (*remove_func
)(struct fs_node
*);
78 struct mlx5_flow_rule
{
80 struct mlx5_flow_destination dest_attr
;
81 /* next_ft should be accessed under chain_lock and only of
82 * destination type is FWD_NEXT_fT.
84 struct list_head next_ft
;
88 /* Type of children is mlx5_flow_group */
89 struct mlx5_flow_table
{
95 enum fs_flow_table_type type
;
98 unsigned int required_groups
;
99 unsigned int num_groups
;
101 /* Protect fwd_rules */
103 /* FWD rules that point on this flow table */
104 struct list_head fwd_rules
;
107 struct mlx5_fc_cache
{
115 struct list_head list
;
117 /* last{packets,bytes} members are used when calculating the delta since
127 struct mlx5_fc_cache cache ____cacheline_aligned_in_smp
;
130 /* Type of children is mlx5_flow_rule */
133 u32 val
[MLX5_ST_SZ_DW(fte_match_param
)];
138 enum fs_fte_status status
;
139 struct mlx5_fc
*counter
;
142 /* Type of children is mlx5_flow_table/namespace */
145 unsigned int num_levels
;
146 unsigned int start_level
;
151 /* Type of children is fs_prio */
152 struct mlx5_flow_namespace
{
153 /* parent == NULL => root ns */
157 struct mlx5_flow_group_mask
{
158 u8 match_criteria_enable
;
159 u32 match_criteria
[MLX5_ST_SZ_DW(fte_match_param
)];
162 /* Type of children is fs_fte */
163 struct mlx5_flow_group
{
165 struct mlx5_flow_group_mask mask
;
172 struct mlx5_flow_root_namespace
{
173 struct mlx5_flow_namespace ns
;
174 enum fs_flow_table_type table_type
;
175 struct mlx5_core_dev
*dev
;
176 struct mlx5_flow_table
*root_ft
;
177 /* Should be held when chaining flow tables */
178 struct mutex chain_lock
;
181 int mlx5_init_fc_stats(struct mlx5_core_dev
*dev
);
182 void mlx5_cleanup_fc_stats(struct mlx5_core_dev
*dev
);
184 int mlx5_init_fs(struct mlx5_core_dev
*dev
);
185 void mlx5_cleanup_fs(struct mlx5_core_dev
*dev
);
187 #define fs_get_obj(v, _node) {v = container_of((_node), typeof(*v), node); }
189 #define fs_list_for_each_entry(pos, root) \
190 list_for_each_entry(pos, root, node.list)
192 #define fs_list_for_each_entry_safe(pos, tmp, root) \
193 list_for_each_entry_safe(pos, tmp, root, node.list)
195 #define fs_for_each_ns_or_ft_reverse(pos, prio) \
196 list_for_each_entry_reverse(pos, &(prio)->node.children, list)
198 #define fs_for_each_ns_or_ft(pos, prio) \
199 list_for_each_entry(pos, (&(prio)->node.children), list)
201 #define fs_for_each_prio(pos, ns) \
202 fs_list_for_each_entry(pos, &(ns)->node.children)
204 #define fs_for_each_ns(pos, prio) \
205 fs_list_for_each_entry(pos, &(prio)->node.children)
207 #define fs_for_each_ft(pos, prio) \
208 fs_list_for_each_entry(pos, &(prio)->node.children)
210 #define fs_for_each_ft_safe(pos, tmp, prio) \
211 fs_list_for_each_entry_safe(pos, tmp, &(prio)->node.children)
213 #define fs_for_each_fg(pos, ft) \
214 fs_list_for_each_entry(pos, &(ft)->node.children)
216 #define fs_for_each_fte(pos, fg) \
217 fs_list_for_each_entry(pos, &(fg)->node.children)
219 #define fs_for_each_dst(pos, fte) \
220 fs_list_for_each_entry(pos, &(fte)->node.children)