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};
55
56enum {
57 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16,
58 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17,
59 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18,
60 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS = 1 << 19,
61};
62
63enum {
64 MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0),
65 MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1),
66 MLX5_FLOW_TABLE_TERMINATION = BIT(2),
67 MLX5_FLOW_TABLE_UNMANAGED = BIT(3),
68 MLX5_FLOW_TABLE_OTHER_VPORT = BIT(4),
69};
70
71#define LEFTOVERS_RULE_NUM 2
72static inline void build_leftovers_ft_param(int *priority,
73 int *n_ent,
74 int *n_grp)
75{
76 *priority = 0; /* Priority of leftovers_prio-0 */
77 *n_ent = LEFTOVERS_RULE_NUM;
78 *n_grp = LEFTOVERS_RULE_NUM;
79}
80
81enum mlx5_flow_namespace_type {
82 MLX5_FLOW_NAMESPACE_BYPASS,
83 MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC,
84 MLX5_FLOW_NAMESPACE_LAG,
85 MLX5_FLOW_NAMESPACE_OFFLOADS,
86 MLX5_FLOW_NAMESPACE_ETHTOOL,
87 MLX5_FLOW_NAMESPACE_KERNEL,
88 MLX5_FLOW_NAMESPACE_LEFTOVERS,
89 MLX5_FLOW_NAMESPACE_ANCHOR,
90 MLX5_FLOW_NAMESPACE_FDB_BYPASS,
91 MLX5_FLOW_NAMESPACE_FDB,
92 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
93 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
94 MLX5_FLOW_NAMESPACE_SNIFFER_RX,
95 MLX5_FLOW_NAMESPACE_SNIFFER_TX,
96 MLX5_FLOW_NAMESPACE_EGRESS,
97 MLX5_FLOW_NAMESPACE_EGRESS_IPSEC,
98 MLX5_FLOW_NAMESPACE_EGRESS_MACSEC,
99 MLX5_FLOW_NAMESPACE_RDMA_RX,
100 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL,
101 MLX5_FLOW_NAMESPACE_RDMA_TX,
102 MLX5_FLOW_NAMESPACE_PORT_SEL,
103 MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS,
104 MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS,
105};
106
107enum {
108 FDB_BYPASS_PATH,
109 FDB_TC_OFFLOAD,
110 FDB_FT_OFFLOAD,
111 FDB_TC_MISS,
112 FDB_BR_OFFLOAD,
113 FDB_SLOW_PATH,
114 FDB_PER_VPORT,
115};
116
117struct mlx5_pkt_reformat;
118struct mlx5_modify_hdr;
119struct mlx5_flow_definer;
120struct mlx5_flow_table;
121struct mlx5_flow_group;
122struct mlx5_flow_namespace;
123struct mlx5_flow_handle;
124
125enum {
126 FLOW_CONTEXT_HAS_TAG = BIT(0),
127};
128
129struct mlx5_flow_context {
130 u32 flags;
131 u32 flow_tag;
132 u32 flow_source;
133};
134
135struct mlx5_flow_spec {
136 u8 match_criteria_enable;
137 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
138 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
139 struct mlx5_flow_context flow_context;
140};
141
142enum {
143 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0),
144 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1),
145};
146
147enum mlx5_flow_dest_range_field {
148 MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN = 0,
149};
150
151struct mlx5_flow_destination {
152 enum mlx5_flow_destination_type type;
153 union {
154 u32 tir_num;
155 u32 ft_num;
156 struct mlx5_flow_table *ft;
157 u32 counter_id;
158 struct {
159 u16 num;
160 u16 vhca_id;
161 struct mlx5_pkt_reformat *pkt_reformat;
162 u8 flags;
163 } vport;
164 struct {
165 struct mlx5_flow_table *hit_ft;
166 struct mlx5_flow_table *miss_ft;
167 enum mlx5_flow_dest_range_field field;
168 u32 min;
169 u32 max;
170 } range;
171 u32 sampler_id;
172 };
173};
174
175struct mod_hdr_tbl {
176 struct mutex lock; /* protects hlist */
177 DECLARE_HASHTABLE(hlist, 8);
178};
179
180struct mlx5_flow_namespace *
181mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n);
182struct mlx5_flow_namespace *
183mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
184 enum mlx5_flow_namespace_type type);
185struct mlx5_flow_namespace *
186mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev,
187 enum mlx5_flow_namespace_type type,
188 int vport);
189
190struct mlx5_flow_table_attr {
191 int prio;
192 int max_fte;
193 u32 level;
194 u32 flags;
195 u16 uid;
196 struct mlx5_flow_table *next_ft;
197
198 struct {
199 int max_num_groups;
200 int num_reserved_entries;
201 } autogroup;
202};
203
204struct mlx5_flow_table *
205mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
206 struct mlx5_flow_table_attr *ft_attr);
207
208struct mlx5_flow_table *
209mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
210 struct mlx5_flow_table_attr *ft_attr);
211
212struct mlx5_flow_table *
213mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
214 struct mlx5_flow_table_attr *ft_attr, u16 vport);
215struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
216 struct mlx5_flow_namespace *ns,
217 int prio, u32 level);
218int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
219
220/* inbox should be set with the following values:
221 * start_flow_index
222 * end_flow_index
223 * match_criteria_enable
224 * match_criteria
225 */
226struct mlx5_flow_group *
227mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
228void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
229
230struct mlx5_exe_aso {
231 u32 object_id;
232 u8 type;
233 u8 return_reg_id;
234 union {
235 u32 ctrl_data;
236 struct {
237 u8 meter_idx;
238 u8 init_color;
239 } flow_meter;
240 };
241};
242
243struct mlx5_fs_vlan {
244 u16 ethtype;
245 u16 vid;
246 u8 prio;
247};
248
249#define MLX5_FS_VLAN_DEPTH 2
250
251enum {
252 FLOW_ACT_NO_APPEND = BIT(0),
253 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1),
254};
255
256struct mlx5_flow_act {
257 u32 action;
258 struct mlx5_modify_hdr *modify_hdr;
259 struct mlx5_pkt_reformat *pkt_reformat;
260 struct mlx5_flow_act_crypto_params {
261 u8 type;
262 u32 obj_id;
263 } crypto;
264 u32 flags;
265 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];
266 struct ib_counters *counters;
267 struct mlx5_flow_group *fg;
268 struct mlx5_exe_aso exe_aso;
269};
270
271#define MLX5_DECLARE_FLOW_ACT(name) \
272 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
273 .flags = 0, }
274
275/* Single destination per rule.
276 * Group ID is implied by the match criteria.
277 */
278struct mlx5_flow_handle *
279mlx5_add_flow_rules(struct mlx5_flow_table *ft,
280 const struct mlx5_flow_spec *spec,
281 struct mlx5_flow_act *flow_act,
282 struct mlx5_flow_destination *dest,
283 int num_dest);
284void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
285
286int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
287 struct mlx5_flow_destination *new_dest,
288 struct mlx5_flow_destination *old_dest);
289
290struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
291
292/* As mlx5_fc_create() but doesn't queue stats refresh thread. */
293struct mlx5_fc *mlx5_fc_create_ex(struct mlx5_core_dev *dev, bool aging);
294
295void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
296u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter);
297void mlx5_fc_query_cached(struct mlx5_fc *counter,
298 u64 *bytes, u64 *packets, u64 *lastuse);
299int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter,
300 u64 *packets, u64 *bytes);
301u32 mlx5_fc_id(struct mlx5_fc *counter);
302
303int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
304int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
305
306struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
307 u8 ns_type, u8 num_actions,
308 void *modify_actions);
309void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev,
310 struct mlx5_modify_hdr *modify_hdr);
311struct mlx5_flow_definer *
312mlx5_create_match_definer(struct mlx5_core_dev *dev,
313 enum mlx5_flow_namespace_type ns_type, u16 format_id,
314 u32 *match_mask);
315void mlx5_destroy_match_definer(struct mlx5_core_dev *dev,
316 struct mlx5_flow_definer *definer);
317int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer);
318
319struct mlx5_pkt_reformat_params {
320 int type;
321 u8 param_0;
322 u8 param_1;
323 size_t size;
324 void *data;
325};
326
327struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
328 struct mlx5_pkt_reformat_params *params,
329 enum mlx5_flow_namespace_type ns_type);
330void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
331 struct mlx5_pkt_reformat *reformat);
332
333u32 mlx5_flow_table_id(struct mlx5_flow_table *ft);
334#endif