2 * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
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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,
52 FS_FT_SNIFFER_RX = 0X5,
53 FS_FT_SNIFFER_TX = 0X6,
56 enum fs_flow_table_op_mod {
58 FS_FT_OP_MOD_LAG_DEMUX,
62 FS_FTE_STATUS_EXISTING = 1UL << 0,
65 struct mlx5_flow_steering {
66 struct mlx5_core_dev *dev;
67 struct mlx5_flow_root_namespace *root_ns;
68 struct mlx5_flow_root_namespace *fdb_root_ns;
69 struct mlx5_flow_root_namespace *esw_egress_root_ns;
70 struct mlx5_flow_root_namespace *esw_ingress_root_ns;
71 struct mlx5_flow_root_namespace *sniffer_tx_root_ns;
72 struct mlx5_flow_root_namespace *sniffer_rx_root_ns;
76 struct list_head list;
77 struct list_head children;
78 enum fs_node_type type;
79 struct fs_node *parent;
81 /* lock the node for writing and traversing */
84 void (*remove_func)(struct fs_node *);
87 struct mlx5_flow_rule {
89 struct mlx5_flow_destination dest_attr;
90 /* next_ft should be accessed under chain_lock and only of
91 * destination type is FWD_NEXT_fT.
93 struct list_head next_ft;
97 struct mlx5_flow_handle {
99 struct mlx5_flow_rule *rule[];
102 /* Type of children is mlx5_flow_group */
103 struct mlx5_flow_table {
107 unsigned int max_fte;
109 enum fs_flow_table_type type;
110 enum fs_flow_table_op_mod op_mod;
113 unsigned int required_groups;
114 unsigned int num_groups;
116 /* Protect fwd_rules */
118 /* FWD rules that point on this flow table */
119 struct list_head fwd_rules;
123 struct mlx5_fc_cache {
131 struct list_head list;
133 /* last{packets,bytes} members are used when calculating the delta since
143 struct mlx5_fc_cache cache ____cacheline_aligned_in_smp;
146 /* Type of children is mlx5_flow_rule */
149 u32 val[MLX5_ST_SZ_DW(fte_match_param)];
155 enum fs_fte_status status;
156 struct mlx5_fc *counter;
159 /* Type of children is mlx5_flow_table/namespace */
162 unsigned int num_levels;
163 unsigned int start_level;
168 /* Type of children is fs_prio */
169 struct mlx5_flow_namespace {
170 /* parent == NULL => root ns */
174 struct mlx5_flow_group_mask {
175 u8 match_criteria_enable;
176 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
179 /* Type of children is fs_fte */
180 struct mlx5_flow_group {
182 struct mlx5_flow_group_mask mask;
189 struct mlx5_flow_root_namespace {
190 struct mlx5_flow_namespace ns;
191 enum fs_flow_table_type table_type;
192 struct mlx5_core_dev *dev;
193 struct mlx5_flow_table *root_ft;
194 /* Should be held when chaining flow tables */
195 struct mutex chain_lock;
198 int mlx5_init_fc_stats(struct mlx5_core_dev *dev);
199 void mlx5_cleanup_fc_stats(struct mlx5_core_dev *dev);
201 int mlx5_init_fs(struct mlx5_core_dev *dev);
202 void mlx5_cleanup_fs(struct mlx5_core_dev *dev);
204 #define fs_get_obj(v, _node) {v = container_of((_node), typeof(*v), node); }
206 #define fs_list_for_each_entry(pos, root) \
207 list_for_each_entry(pos, root, node.list)
209 #define fs_list_for_each_entry_safe(pos, tmp, root) \
210 list_for_each_entry_safe(pos, tmp, root, node.list)
212 #define fs_for_each_ns_or_ft_reverse(pos, prio) \
213 list_for_each_entry_reverse(pos, &(prio)->node.children, list)
215 #define fs_for_each_ns_or_ft(pos, prio) \
216 list_for_each_entry(pos, (&(prio)->node.children), list)
218 #define fs_for_each_prio(pos, ns) \
219 fs_list_for_each_entry(pos, &(ns)->node.children)
221 #define fs_for_each_ns(pos, prio) \
222 fs_list_for_each_entry(pos, &(prio)->node.children)
224 #define fs_for_each_ft(pos, prio) \
225 fs_list_for_each_entry(pos, &(prio)->node.children)
227 #define fs_for_each_ft_safe(pos, tmp, prio) \
228 fs_list_for_each_entry_safe(pos, tmp, &(prio)->node.children)
230 #define fs_for_each_fg(pos, ft) \
231 fs_list_for_each_entry(pos, &(ft)->node.children)
233 #define fs_for_each_fte(pos, fg) \
234 fs_list_for_each_entry(pos, &(fg)->node.children)
236 #define fs_for_each_dst(pos, fte) \
237 fs_list_for_each_entry(pos, &(fte)->node.children)