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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 MLX5_FLOW_TABLE_UNMANAGED = BIT(3),
52};
53
54#define LEFTOVERS_RULE_NUM 2
55static inline void build_leftovers_ft_param(int *priority,
56 int *n_ent,
57 int *n_grp)
58{
59 *priority = 0;
60 *n_ent = LEFTOVERS_RULE_NUM;
61 *n_grp = LEFTOVERS_RULE_NUM;
62}
63
64enum mlx5_flow_namespace_type {
65 MLX5_FLOW_NAMESPACE_BYPASS,
66 MLX5_FLOW_NAMESPACE_LAG,
67 MLX5_FLOW_NAMESPACE_OFFLOADS,
68 MLX5_FLOW_NAMESPACE_ETHTOOL,
69 MLX5_FLOW_NAMESPACE_KERNEL,
70 MLX5_FLOW_NAMESPACE_LEFTOVERS,
71 MLX5_FLOW_NAMESPACE_ANCHOR,
72 MLX5_FLOW_NAMESPACE_FDB,
73 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
74 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
75 MLX5_FLOW_NAMESPACE_SNIFFER_RX,
76 MLX5_FLOW_NAMESPACE_SNIFFER_TX,
77 MLX5_FLOW_NAMESPACE_EGRESS,
78 MLX5_FLOW_NAMESPACE_RDMA_RX,
79 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL,
80};
81
82enum {
83 FDB_BYPASS_PATH,
84 FDB_TC_OFFLOAD,
85 FDB_FT_OFFLOAD,
86 FDB_SLOW_PATH,
87 FDB_PER_VPORT,
88};
89
90struct mlx5_pkt_reformat;
91struct mlx5_modify_hdr;
92struct mlx5_flow_table;
93struct mlx5_flow_group;
94struct mlx5_flow_namespace;
95struct mlx5_flow_handle;
96
97enum {
98 FLOW_CONTEXT_HAS_TAG = BIT(0),
99};
100
101struct mlx5_flow_context {
102 u32 flags;
103 u32 flow_tag;
104 u32 flow_source;
105};
106
107struct mlx5_flow_spec {
108 u8 match_criteria_enable;
109 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
110 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
111 struct mlx5_flow_context flow_context;
112};
113
114enum {
115 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0),
116 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1),
117};
118
119struct mlx5_flow_destination {
120 enum mlx5_flow_destination_type type;
121 union {
122 u32 tir_num;
123 u32 ft_num;
124 struct mlx5_flow_table *ft;
125 u32 counter_id;
126 struct {
127 u16 num;
128 u16 vhca_id;
129 struct mlx5_pkt_reformat *pkt_reformat;
130 u8 flags;
131 } vport;
132 };
133};
134
135struct mod_hdr_tbl {
136 struct mutex lock;
137 DECLARE_HASHTABLE(hlist, 8);
138};
139
140struct mlx5_flow_namespace *
141mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n);
142struct mlx5_flow_namespace *
143mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
144 enum mlx5_flow_namespace_type type);
145struct mlx5_flow_namespace *
146mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev,
147 enum mlx5_flow_namespace_type type,
148 int vport);
149
150struct mlx5_flow_table_attr {
151 int prio;
152 int max_fte;
153 u32 level;
154 u32 flags;
155 struct mlx5_flow_table *next_ft;
156
157 struct {
158 int max_num_groups;
159 int num_reserved_entries;
160 } autogroup;
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_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
169 struct mlx5_flow_table_attr *ft_attr);
170
171struct mlx5_flow_table *
172mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
173 int prio,
174 int num_flow_table_entries,
175 u32 level, u16 vport);
176struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
177 struct mlx5_flow_namespace *ns,
178 int prio, u32 level);
179int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
180
181
182
183
184
185
186
187struct mlx5_flow_group *
188mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
189void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
190
191struct mlx5_fs_vlan {
192 u16 ethtype;
193 u16 vid;
194 u8 prio;
195};
196
197#define MLX5_FS_VLAN_DEPTH 2
198
199enum {
200 FLOW_ACT_NO_APPEND = BIT(0),
201 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1),
202};
203
204struct mlx5_flow_act {
205 u32 action;
206 struct mlx5_modify_hdr *modify_hdr;
207 struct mlx5_pkt_reformat *pkt_reformat;
208 uintptr_t esp_id;
209 u32 flags;
210 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];
211 struct ib_counters *counters;
212};
213
214#define MLX5_DECLARE_FLOW_ACT(name) \
215 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
216 .flags = 0, }
217
218
219
220
221struct mlx5_flow_handle *
222mlx5_add_flow_rules(struct mlx5_flow_table *ft,
223 const struct mlx5_flow_spec *spec,
224 struct mlx5_flow_act *flow_act,
225 struct mlx5_flow_destination *dest,
226 int num_dest);
227void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
228
229int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
230 struct mlx5_flow_destination *new_dest,
231 struct mlx5_flow_destination *old_dest);
232
233struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
234void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
235u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter);
236void mlx5_fc_query_cached(struct mlx5_fc *counter,
237 u64 *bytes, u64 *packets, u64 *lastuse);
238int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter,
239 u64 *packets, u64 *bytes);
240u32 mlx5_fc_id(struct mlx5_fc *counter);
241
242int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
243int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
244
245struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
246 u8 ns_type, u8 num_actions,
247 void *modify_actions);
248void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev,
249 struct mlx5_modify_hdr *modify_hdr);
250
251struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
252 int reformat_type,
253 size_t size,
254 void *reformat_data,
255 enum mlx5_flow_namespace_type ns_type);
256void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
257 struct mlx5_pkt_reformat *reformat);
258
259#endif
260
