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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 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17,
44 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18,
45};
46
47enum {
48 MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0),
49 MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1),
50 MLX5_FLOW_TABLE_TERMINATION = BIT(2),
51};
52
53#define LEFTOVERS_RULE_NUM 2
54static inline void build_leftovers_ft_param(int *priority,
55 int *n_ent,
56 int *n_grp)
57{
58 *priority = 0;
59 *n_ent = LEFTOVERS_RULE_NUM;
60 *n_grp = LEFTOVERS_RULE_NUM;
61}
62
63enum mlx5_flow_namespace_type {
64 MLX5_FLOW_NAMESPACE_BYPASS,
65 MLX5_FLOW_NAMESPACE_LAG,
66 MLX5_FLOW_NAMESPACE_OFFLOADS,
67 MLX5_FLOW_NAMESPACE_ETHTOOL,
68 MLX5_FLOW_NAMESPACE_KERNEL,
69 MLX5_FLOW_NAMESPACE_LEFTOVERS,
70 MLX5_FLOW_NAMESPACE_ANCHOR,
71 MLX5_FLOW_NAMESPACE_FDB,
72 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
73 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
74 MLX5_FLOW_NAMESPACE_SNIFFER_RX,
75 MLX5_FLOW_NAMESPACE_SNIFFER_TX,
76 MLX5_FLOW_NAMESPACE_EGRESS,
77 MLX5_FLOW_NAMESPACE_RDMA_RX,
78 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL,
79};
80
81enum {
82 FDB_BYPASS_PATH,
83 FDB_TC_OFFLOAD,
84 FDB_FT_OFFLOAD,
85 FDB_SLOW_PATH,
86};
87
88struct mlx5_pkt_reformat;
89struct mlx5_modify_hdr;
90struct mlx5_flow_table;
91struct mlx5_flow_group;
92struct mlx5_flow_namespace;
93struct mlx5_flow_handle;
94
95enum {
96 FLOW_CONTEXT_HAS_TAG = BIT(0),
97};
98
99struct mlx5_flow_context {
100 u32 flags;
101 u32 flow_tag;
102 u32 flow_source;
103};
104
105struct mlx5_flow_spec {
106 u8 match_criteria_enable;
107 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
108 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
109 struct mlx5_flow_context flow_context;
110};
111
112enum {
113 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0),
114 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1),
115};
116
117struct mlx5_flow_destination {
118 enum mlx5_flow_destination_type type;
119 union {
120 u32 tir_num;
121 u32 ft_num;
122 struct mlx5_flow_table *ft;
123 u32 counter_id;
124 struct {
125 u16 num;
126 u16 vhca_id;
127 struct mlx5_pkt_reformat *pkt_reformat;
128 u8 flags;
129 } vport;
130 };
131};
132
133struct mod_hdr_tbl {
134 struct mutex lock;
135 DECLARE_HASHTABLE(hlist, 8);
136};
137
138struct mlx5_flow_namespace *
139mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n);
140struct mlx5_flow_namespace *
141mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
142 enum mlx5_flow_namespace_type type);
143struct mlx5_flow_namespace *
144mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev,
145 enum mlx5_flow_namespace_type type,
146 int vport);
147
148struct mlx5_flow_table *
149mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
150 int prio,
151 int num_flow_table_entries,
152 int max_num_groups,
153 u32 level,
154 u32 flags);
155
156struct mlx5_flow_table_attr {
157 int prio;
158 int max_fte;
159 u32 level;
160 u32 flags;
161};
162
163struct mlx5_flow_table *
164mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
165 struct mlx5_flow_table_attr *ft_attr);
166
167struct mlx5_flow_table *
168mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
169 int prio,
170 int num_flow_table_entries,
171 u32 level, u16 vport);
172struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
173 struct mlx5_flow_namespace *ns,
174 int prio, u32 level);
175int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
176
177
178
179
180
181
182
183struct mlx5_flow_group *
184mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
185void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
186
187struct mlx5_fs_vlan {
188 u16 ethtype;
189 u16 vid;
190 u8 prio;
191};
192
193#define MLX5_FS_VLAN_DEPTH 2
194
195enum {
196 FLOW_ACT_NO_APPEND = BIT(0),
197};
198
199struct mlx5_flow_act {
200 u32 action;
201 struct mlx5_modify_hdr *modify_hdr;
202 struct mlx5_pkt_reformat *pkt_reformat;
203 uintptr_t esp_id;
204 u32 flags;
205 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];
206 struct ib_counters *counters;
207};
208
209#define MLX5_DECLARE_FLOW_ACT(name) \
210 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
211 .flags = 0, }
212
213
214
215
216struct mlx5_flow_handle *
217mlx5_add_flow_rules(struct mlx5_flow_table *ft,
218 const struct mlx5_flow_spec *spec,
219 struct mlx5_flow_act *flow_act,
220 struct mlx5_flow_destination *dest,
221 int num_dest);
222void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
223
224int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
225 struct mlx5_flow_destination *new_dest,
226 struct mlx5_flow_destination *old_dest);
227
228struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
229void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
230u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter);
231void mlx5_fc_query_cached(struct mlx5_fc *counter,
232 u64 *bytes, u64 *packets, u64 *lastuse);
233int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter,
234 u64 *packets, u64 *bytes);
235u32 mlx5_fc_id(struct mlx5_fc *counter);
236
237int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
238int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
239
240struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
241 u8 ns_type, u8 num_actions,
242 void *modify_actions);
243void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev,
244 struct mlx5_modify_hdr *modify_hdr);
245
246struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
247 int reformat_type,
248 size_t size,
249 void *reformat_data,
250 enum mlx5_flow_namespace_type ns_type);
251void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
252 struct mlx5_pkt_reformat *reformat);
253
254#endif
255