Linux kernel mirror (for testing)
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1/*
2 * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
3 *
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:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
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
41#define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
42
43enum mlx5_flow_destination_type {
44 MLX5_FLOW_DESTINATION_TYPE_NONE,
45 MLX5_FLOW_DESTINATION_TYPE_VPORT,
46 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE,
47 MLX5_FLOW_DESTINATION_TYPE_TIR,
48 MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER,
49 MLX5_FLOW_DESTINATION_TYPE_UPLINK,
50 MLX5_FLOW_DESTINATION_TYPE_PORT,
51 MLX5_FLOW_DESTINATION_TYPE_COUNTER,
52 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM,
53 MLX5_FLOW_DESTINATION_TYPE_RANGE,
54 MLX5_FLOW_DESTINATION_TYPE_TABLE_TYPE,
55};
56
57enum {
58 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16,
59 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17,
60 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18,
61 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS = 1 << 19,
62};
63
64enum {
65 MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0),
66 MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1),
67 MLX5_FLOW_TABLE_TERMINATION = BIT(2),
68 MLX5_FLOW_TABLE_UNMANAGED = BIT(3),
69 MLX5_FLOW_TABLE_OTHER_VPORT = BIT(4),
70 MLX5_FLOW_TABLE_UPLINK_VPORT = BIT(5),
71};
72
73#define LEFTOVERS_RULE_NUM 2
74static inline void build_leftovers_ft_param(int *priority,
75 int *n_ent,
76 int *n_grp)
77{
78 *priority = 0; /* Priority of leftovers_prio-0 */
79 *n_ent = LEFTOVERS_RULE_NUM;
80 *n_grp = LEFTOVERS_RULE_NUM;
81}
82
83enum mlx5_flow_namespace_type {
84 MLX5_FLOW_NAMESPACE_BYPASS,
85 MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC,
86 MLX5_FLOW_NAMESPACE_LAG,
87 MLX5_FLOW_NAMESPACE_OFFLOADS,
88 MLX5_FLOW_NAMESPACE_ETHTOOL,
89 MLX5_FLOW_NAMESPACE_KERNEL,
90 MLX5_FLOW_NAMESPACE_LEFTOVERS,
91 MLX5_FLOW_NAMESPACE_ANCHOR,
92 MLX5_FLOW_NAMESPACE_FDB_BYPASS,
93 MLX5_FLOW_NAMESPACE_FDB,
94 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
95 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
96 MLX5_FLOW_NAMESPACE_SNIFFER_RX,
97 MLX5_FLOW_NAMESPACE_SNIFFER_TX,
98 MLX5_FLOW_NAMESPACE_EGRESS,
99 MLX5_FLOW_NAMESPACE_EGRESS_IPSEC,
100 MLX5_FLOW_NAMESPACE_EGRESS_MACSEC,
101 MLX5_FLOW_NAMESPACE_RDMA_RX,
102 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL,
103 MLX5_FLOW_NAMESPACE_RDMA_TX,
104 MLX5_FLOW_NAMESPACE_PORT_SEL,
105 MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS,
106 MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS,
107 MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC,
108 MLX5_FLOW_NAMESPACE_RDMA_TX_IPSEC,
109 MLX5_FLOW_NAMESPACE_RDMA_RX_MACSEC,
110 MLX5_FLOW_NAMESPACE_RDMA_TX_MACSEC,
111};
112
113enum {
114 FDB_BYPASS_PATH,
115 FDB_CRYPTO_INGRESS,
116 FDB_TC_OFFLOAD,
117 FDB_FT_OFFLOAD,
118 FDB_TC_MISS,
119 FDB_BR_OFFLOAD,
120 FDB_SLOW_PATH,
121 FDB_CRYPTO_EGRESS,
122 FDB_PER_VPORT,
123};
124
125struct mlx5_pkt_reformat;
126struct mlx5_modify_hdr;
127struct mlx5_flow_definer;
128struct mlx5_flow_table;
129struct mlx5_flow_group;
130struct mlx5_flow_namespace;
131struct mlx5_flow_handle;
132
133enum {
134 FLOW_CONTEXT_HAS_TAG = BIT(0),
135};
136
137struct mlx5_flow_context {
138 u32 flags;
139 u32 flow_tag;
140 u32 flow_source;
141};
142
143struct mlx5_flow_spec {
144 u8 match_criteria_enable;
145 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
146 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
147 struct mlx5_flow_context flow_context;
148};
149
150enum {
151 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0),
152 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1),
153};
154
155enum mlx5_flow_dest_range_field {
156 MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN = 0,
157};
158
159struct mlx5_flow_destination {
160 enum mlx5_flow_destination_type type;
161 union {
162 u32 tir_num;
163 u32 ft_num;
164 struct mlx5_flow_table *ft;
165 u32 counter_id;
166 struct {
167 u16 num;
168 u16 vhca_id;
169 struct mlx5_pkt_reformat *pkt_reformat;
170 u8 flags;
171 } vport;
172 struct {
173 struct mlx5_flow_table *hit_ft;
174 struct mlx5_flow_table *miss_ft;
175 enum mlx5_flow_dest_range_field field;
176 u32 min;
177 u32 max;
178 } range;
179 u32 sampler_id;
180 };
181};
182
183struct mod_hdr_tbl {
184 struct mutex lock; /* protects hlist */
185 DECLARE_HASHTABLE(hlist, 8);
186};
187
188struct mlx5_flow_namespace *
189mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n);
190struct mlx5_flow_namespace *
191mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
192 enum mlx5_flow_namespace_type type);
193struct mlx5_flow_namespace *
194mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev,
195 enum mlx5_flow_namespace_type type,
196 int vport);
197
198struct mlx5_flow_table_attr {
199 int prio;
200 int max_fte;
201 u32 level;
202 u32 flags;
203 u16 uid;
204 struct mlx5_flow_table *next_ft;
205
206 struct {
207 int max_num_groups;
208 int num_reserved_entries;
209 } autogroup;
210};
211
212struct mlx5_flow_table *
213mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
214 struct mlx5_flow_table_attr *ft_attr);
215
216struct mlx5_flow_table *
217mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
218 struct mlx5_flow_table_attr *ft_attr);
219
220struct mlx5_flow_table *
221mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
222 struct mlx5_flow_table_attr *ft_attr, u16 vport);
223struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
224 struct mlx5_flow_namespace *ns,
225 int prio, u32 level);
226int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
227
228/* inbox should be set with the following values:
229 * start_flow_index
230 * end_flow_index
231 * match_criteria_enable
232 * match_criteria
233 */
234struct mlx5_flow_group *
235mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
236void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
237
238struct mlx5_exe_aso {
239 u32 object_id;
240 u8 type;
241 u8 return_reg_id;
242 union {
243 u32 ctrl_data;
244 struct {
245 u8 meter_idx;
246 u8 init_color;
247 } flow_meter;
248 };
249};
250
251struct mlx5_fs_vlan {
252 u16 ethtype;
253 u16 vid;
254 u8 prio;
255};
256
257#define MLX5_FS_VLAN_DEPTH 2
258
259enum {
260 FLOW_ACT_NO_APPEND = BIT(0),
261 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1),
262};
263
264struct mlx5_flow_act {
265 u32 action;
266 struct mlx5_modify_hdr *modify_hdr;
267 struct mlx5_pkt_reformat *pkt_reformat;
268 struct mlx5_flow_act_crypto_params {
269 u8 type;
270 u32 obj_id;
271 } crypto;
272 u32 flags;
273 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];
274 struct ib_counters *counters;
275 struct mlx5_flow_group *fg;
276 struct mlx5_exe_aso exe_aso;
277};
278
279#define MLX5_DECLARE_FLOW_ACT(name) \
280 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
281 .flags = 0, }
282
283/* Single destination per rule.
284 * Group ID is implied by the match criteria.
285 */
286struct mlx5_flow_handle *
287mlx5_add_flow_rules(struct mlx5_flow_table *ft,
288 const struct mlx5_flow_spec *spec,
289 struct mlx5_flow_act *flow_act,
290 struct mlx5_flow_destination *dest,
291 int num_dest);
292void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
293
294int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
295 struct mlx5_flow_destination *new_dest,
296 struct mlx5_flow_destination *old_dest);
297
298struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
299
300/* As mlx5_fc_create() but doesn't queue stats refresh thread. */
301struct mlx5_fc *mlx5_fc_create_ex(struct mlx5_core_dev *dev, bool aging);
302
303void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
304u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter);
305void mlx5_fc_query_cached(struct mlx5_fc *counter,
306 u64 *bytes, u64 *packets, u64 *lastuse);
307void mlx5_fc_query_cached_raw(struct mlx5_fc *counter,
308 u64 *bytes, u64 *packets, u64 *lastuse);
309int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter,
310 u64 *packets, u64 *bytes);
311u32 mlx5_fc_id(struct mlx5_fc *counter);
312
313int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
314int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
315
316struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
317 u8 ns_type, u8 num_actions,
318 void *modify_actions);
319void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev,
320 struct mlx5_modify_hdr *modify_hdr);
321struct mlx5_flow_definer *
322mlx5_create_match_definer(struct mlx5_core_dev *dev,
323 enum mlx5_flow_namespace_type ns_type, u16 format_id,
324 u32 *match_mask);
325void mlx5_destroy_match_definer(struct mlx5_core_dev *dev,
326 struct mlx5_flow_definer *definer);
327int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer);
328
329struct mlx5_pkt_reformat_params {
330 int type;
331 u8 param_0;
332 u8 param_1;
333 size_t size;
334 void *data;
335};
336
337struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
338 struct mlx5_pkt_reformat_params *params,
339 enum mlx5_flow_namespace_type ns_type);
340void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
341 struct mlx5_pkt_reformat *reformat);
342
343u32 mlx5_flow_table_id(struct mlx5_flow_table *ft);
344#endif