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};
71
72#define LEFTOVERS_RULE_NUM 2
73static inline void build_leftovers_ft_param(int *priority,
74 int *n_ent,
75 int *n_grp)
76{
77 *priority = 0; /* Priority of leftovers_prio-0 */
78 *n_ent = LEFTOVERS_RULE_NUM;
79 *n_grp = LEFTOVERS_RULE_NUM;
80}
81
82enum mlx5_flow_namespace_type {
83 MLX5_FLOW_NAMESPACE_BYPASS,
84 MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC,
85 MLX5_FLOW_NAMESPACE_LAG,
86 MLX5_FLOW_NAMESPACE_OFFLOADS,
87 MLX5_FLOW_NAMESPACE_ETHTOOL,
88 MLX5_FLOW_NAMESPACE_KERNEL,
89 MLX5_FLOW_NAMESPACE_LEFTOVERS,
90 MLX5_FLOW_NAMESPACE_ANCHOR,
91 MLX5_FLOW_NAMESPACE_FDB_BYPASS,
92 MLX5_FLOW_NAMESPACE_FDB,
93 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
94 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
95 MLX5_FLOW_NAMESPACE_SNIFFER_RX,
96 MLX5_FLOW_NAMESPACE_SNIFFER_TX,
97 MLX5_FLOW_NAMESPACE_EGRESS,
98 MLX5_FLOW_NAMESPACE_EGRESS_IPSEC,
99 MLX5_FLOW_NAMESPACE_EGRESS_MACSEC,
100 MLX5_FLOW_NAMESPACE_RDMA_RX,
101 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL,
102 MLX5_FLOW_NAMESPACE_RDMA_TX,
103 MLX5_FLOW_NAMESPACE_PORT_SEL,
104 MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS,
105 MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS,
106 MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC,
107 MLX5_FLOW_NAMESPACE_RDMA_TX_IPSEC,
108};
109
110enum {
111 FDB_BYPASS_PATH,
112 FDB_TC_OFFLOAD,
113 FDB_FT_OFFLOAD,
114 FDB_TC_MISS,
115 FDB_BR_OFFLOAD,
116 FDB_SLOW_PATH,
117 FDB_PER_VPORT,
118};
119
120struct mlx5_pkt_reformat;
121struct mlx5_modify_hdr;
122struct mlx5_flow_definer;
123struct mlx5_flow_table;
124struct mlx5_flow_group;
125struct mlx5_flow_namespace;
126struct mlx5_flow_handle;
127
128enum {
129 FLOW_CONTEXT_HAS_TAG = BIT(0),
130};
131
132struct mlx5_flow_context {
133 u32 flags;
134 u32 flow_tag;
135 u32 flow_source;
136};
137
138struct mlx5_flow_spec {
139 u8 match_criteria_enable;
140 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
141 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
142 struct mlx5_flow_context flow_context;
143};
144
145enum {
146 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0),
147 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1),
148};
149
150enum mlx5_flow_dest_range_field {
151 MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN = 0,
152};
153
154struct mlx5_flow_destination {
155 enum mlx5_flow_destination_type type;
156 union {
157 u32 tir_num;
158 u32 ft_num;
159 struct mlx5_flow_table *ft;
160 u32 counter_id;
161 struct {
162 u16 num;
163 u16 vhca_id;
164 struct mlx5_pkt_reformat *pkt_reformat;
165 u8 flags;
166 } vport;
167 struct {
168 struct mlx5_flow_table *hit_ft;
169 struct mlx5_flow_table *miss_ft;
170 enum mlx5_flow_dest_range_field field;
171 u32 min;
172 u32 max;
173 } range;
174 u32 sampler_id;
175 };
176};
177
178struct mod_hdr_tbl {
179 struct mutex lock; /* protects hlist */
180 DECLARE_HASHTABLE(hlist, 8);
181};
182
183struct mlx5_flow_namespace *
184mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n);
185struct mlx5_flow_namespace *
186mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
187 enum mlx5_flow_namespace_type type);
188struct mlx5_flow_namespace *
189mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev,
190 enum mlx5_flow_namespace_type type,
191 int vport);
192
193struct mlx5_flow_table_attr {
194 int prio;
195 int max_fte;
196 u32 level;
197 u32 flags;
198 u16 uid;
199 struct mlx5_flow_table *next_ft;
200
201 struct {
202 int max_num_groups;
203 int num_reserved_entries;
204 } autogroup;
205};
206
207struct mlx5_flow_table *
208mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
209 struct mlx5_flow_table_attr *ft_attr);
210
211struct mlx5_flow_table *
212mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
213 struct mlx5_flow_table_attr *ft_attr);
214
215struct mlx5_flow_table *
216mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
217 struct mlx5_flow_table_attr *ft_attr, u16 vport);
218struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
219 struct mlx5_flow_namespace *ns,
220 int prio, u32 level);
221int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
222
223/* inbox should be set with the following values:
224 * start_flow_index
225 * end_flow_index
226 * match_criteria_enable
227 * match_criteria
228 */
229struct mlx5_flow_group *
230mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
231void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
232
233struct mlx5_exe_aso {
234 u32 object_id;
235 u8 type;
236 u8 return_reg_id;
237 union {
238 u32 ctrl_data;
239 struct {
240 u8 meter_idx;
241 u8 init_color;
242 } flow_meter;
243 };
244};
245
246struct mlx5_fs_vlan {
247 u16 ethtype;
248 u16 vid;
249 u8 prio;
250};
251
252#define MLX5_FS_VLAN_DEPTH 2
253
254enum {
255 FLOW_ACT_NO_APPEND = BIT(0),
256 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1),
257};
258
259struct mlx5_flow_act {
260 u32 action;
261 struct mlx5_modify_hdr *modify_hdr;
262 struct mlx5_pkt_reformat *pkt_reformat;
263 struct mlx5_flow_act_crypto_params {
264 u8 type;
265 u32 obj_id;
266 } crypto;
267 u32 flags;
268 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];
269 struct ib_counters *counters;
270 struct mlx5_flow_group *fg;
271 struct mlx5_exe_aso exe_aso;
272};
273
274#define MLX5_DECLARE_FLOW_ACT(name) \
275 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
276 .flags = 0, }
277
278/* Single destination per rule.
279 * Group ID is implied by the match criteria.
280 */
281struct mlx5_flow_handle *
282mlx5_add_flow_rules(struct mlx5_flow_table *ft,
283 const struct mlx5_flow_spec *spec,
284 struct mlx5_flow_act *flow_act,
285 struct mlx5_flow_destination *dest,
286 int num_dest);
287void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
288
289int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
290 struct mlx5_flow_destination *new_dest,
291 struct mlx5_flow_destination *old_dest);
292
293struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
294
295/* As mlx5_fc_create() but doesn't queue stats refresh thread. */
296struct mlx5_fc *mlx5_fc_create_ex(struct mlx5_core_dev *dev, bool aging);
297
298void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
299u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter);
300void mlx5_fc_query_cached(struct mlx5_fc *counter,
301 u64 *bytes, u64 *packets, u64 *lastuse);
302void mlx5_fc_query_cached_raw(struct mlx5_fc *counter,
303 u64 *bytes, u64 *packets, u64 *lastuse);
304int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter,
305 u64 *packets, u64 *bytes);
306u32 mlx5_fc_id(struct mlx5_fc *counter);
307
308int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
309int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
310
311struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
312 u8 ns_type, u8 num_actions,
313 void *modify_actions);
314void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev,
315 struct mlx5_modify_hdr *modify_hdr);
316struct mlx5_flow_definer *
317mlx5_create_match_definer(struct mlx5_core_dev *dev,
318 enum mlx5_flow_namespace_type ns_type, u16 format_id,
319 u32 *match_mask);
320void mlx5_destroy_match_definer(struct mlx5_core_dev *dev,
321 struct mlx5_flow_definer *definer);
322int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer);
323
324struct mlx5_pkt_reformat_params {
325 int type;
326 u8 param_0;
327 u8 param_1;
328 size_t size;
329 void *data;
330};
331
332struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
333 struct mlx5_pkt_reformat_params *params,
334 enum mlx5_flow_namespace_type ns_type);
335void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
336 struct mlx5_pkt_reformat *reformat);
337
338u32 mlx5_flow_table_id(struct mlx5_flow_table *ft);
339#endif