net/mlx5: Add core support for double vlan push/pop steering action
[sfrench/cifs-2.6.git] / drivers / net / ethernet / mellanox / mlx5 / core / fs_cmd.c
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 #include <linux/mlx5/driver.h>
34 #include <linux/mlx5/device.h>
35 #include <linux/mlx5/mlx5_ifc.h>
36
37 #include "fs_core.h"
38 #include "fs_cmd.h"
39 #include "mlx5_core.h"
40 #include "eswitch.h"
41
42 static int mlx5_cmd_stub_update_root_ft(struct mlx5_core_dev *dev,
43                                         struct mlx5_flow_table *ft,
44                                         u32 underlay_qpn,
45                                         bool disconnect)
46 {
47         return 0;
48 }
49
50 static int mlx5_cmd_stub_create_flow_table(struct mlx5_core_dev *dev,
51                                            u16 vport,
52                                            enum fs_flow_table_op_mod op_mod,
53                                            enum fs_flow_table_type type,
54                                            unsigned int level,
55                                            unsigned int log_size,
56                                            struct mlx5_flow_table *next_ft,
57                                            unsigned int *table_id, u32 flags)
58 {
59         return 0;
60 }
61
62 static int mlx5_cmd_stub_destroy_flow_table(struct mlx5_core_dev *dev,
63                                             struct mlx5_flow_table *ft)
64 {
65         return 0;
66 }
67
68 static int mlx5_cmd_stub_modify_flow_table(struct mlx5_core_dev *dev,
69                                            struct mlx5_flow_table *ft,
70                                            struct mlx5_flow_table *next_ft)
71 {
72         return 0;
73 }
74
75 static int mlx5_cmd_stub_create_flow_group(struct mlx5_core_dev *dev,
76                                            struct mlx5_flow_table *ft,
77                                            u32 *in,
78                                            unsigned int *group_id)
79 {
80         return 0;
81 }
82
83 static int mlx5_cmd_stub_destroy_flow_group(struct mlx5_core_dev *dev,
84                                             struct mlx5_flow_table *ft,
85                                             unsigned int group_id)
86 {
87         return 0;
88 }
89
90 static int mlx5_cmd_stub_create_fte(struct mlx5_core_dev *dev,
91                                     struct mlx5_flow_table *ft,
92                                     struct mlx5_flow_group *group,
93                                     struct fs_fte *fte)
94 {
95         return 0;
96 }
97
98 static int mlx5_cmd_stub_update_fte(struct mlx5_core_dev *dev,
99                                     struct mlx5_flow_table *ft,
100                                     unsigned int group_id,
101                                     int modify_mask,
102                                     struct fs_fte *fte)
103 {
104         return -EOPNOTSUPP;
105 }
106
107 static int mlx5_cmd_stub_delete_fte(struct mlx5_core_dev *dev,
108                                     struct mlx5_flow_table *ft,
109                                     struct fs_fte *fte)
110 {
111         return 0;
112 }
113
114 static int mlx5_cmd_update_root_ft(struct mlx5_core_dev *dev,
115                                    struct mlx5_flow_table *ft, u32 underlay_qpn,
116                                    bool disconnect)
117 {
118         u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)]   = {0};
119         u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {0};
120
121         if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
122             underlay_qpn == 0)
123                 return 0;
124
125         MLX5_SET(set_flow_table_root_in, in, opcode,
126                  MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
127         MLX5_SET(set_flow_table_root_in, in, table_type, ft->type);
128
129         if (disconnect) {
130                 MLX5_SET(set_flow_table_root_in, in, op_mod, 1);
131                 MLX5_SET(set_flow_table_root_in, in, table_id, 0);
132         } else {
133                 MLX5_SET(set_flow_table_root_in, in, op_mod, 0);
134                 MLX5_SET(set_flow_table_root_in, in, table_id, ft->id);
135         }
136
137         MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn);
138         if (ft->vport) {
139                 MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport);
140                 MLX5_SET(set_flow_table_root_in, in, other_vport, 1);
141         }
142
143         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
144 }
145
146 static int mlx5_cmd_create_flow_table(struct mlx5_core_dev *dev,
147                                       u16 vport,
148                                       enum fs_flow_table_op_mod op_mod,
149                                       enum fs_flow_table_type type,
150                                       unsigned int level,
151                                       unsigned int log_size,
152                                       struct mlx5_flow_table *next_ft,
153                                       unsigned int *table_id, u32 flags)
154 {
155         int en_encap_decap = !!(flags & MLX5_FLOW_TABLE_TUNNEL_EN);
156         u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {0};
157         u32 in[MLX5_ST_SZ_DW(create_flow_table_in)]   = {0};
158         int err;
159
160         MLX5_SET(create_flow_table_in, in, opcode,
161                  MLX5_CMD_OP_CREATE_FLOW_TABLE);
162
163         MLX5_SET(create_flow_table_in, in, table_type, type);
164         MLX5_SET(create_flow_table_in, in, flow_table_context.level, level);
165         MLX5_SET(create_flow_table_in, in, flow_table_context.log_size, log_size);
166         if (vport) {
167                 MLX5_SET(create_flow_table_in, in, vport_number, vport);
168                 MLX5_SET(create_flow_table_in, in, other_vport, 1);
169         }
170
171         MLX5_SET(create_flow_table_in, in, flow_table_context.decap_en,
172                  en_encap_decap);
173         MLX5_SET(create_flow_table_in, in, flow_table_context.encap_en,
174                  en_encap_decap);
175
176         switch (op_mod) {
177         case FS_FT_OP_MOD_NORMAL:
178                 if (next_ft) {
179                         MLX5_SET(create_flow_table_in, in,
180                                  flow_table_context.table_miss_action, 1);
181                         MLX5_SET(create_flow_table_in, in,
182                                  flow_table_context.table_miss_id, next_ft->id);
183                 }
184                 break;
185
186         case FS_FT_OP_MOD_LAG_DEMUX:
187                 MLX5_SET(create_flow_table_in, in, op_mod, 0x1);
188                 if (next_ft)
189                         MLX5_SET(create_flow_table_in, in,
190                                  flow_table_context.lag_master_next_table_id,
191                                  next_ft->id);
192                 break;
193         }
194
195         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
196         if (!err)
197                 *table_id = MLX5_GET(create_flow_table_out, out,
198                                      table_id);
199         return err;
200 }
201
202 static int mlx5_cmd_destroy_flow_table(struct mlx5_core_dev *dev,
203                                        struct mlx5_flow_table *ft)
204 {
205         u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)]   = {0};
206         u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)] = {0};
207
208         MLX5_SET(destroy_flow_table_in, in, opcode,
209                  MLX5_CMD_OP_DESTROY_FLOW_TABLE);
210         MLX5_SET(destroy_flow_table_in, in, table_type, ft->type);
211         MLX5_SET(destroy_flow_table_in, in, table_id, ft->id);
212         if (ft->vport) {
213                 MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport);
214                 MLX5_SET(destroy_flow_table_in, in, other_vport, 1);
215         }
216
217         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
218 }
219
220 static int mlx5_cmd_modify_flow_table(struct mlx5_core_dev *dev,
221                                       struct mlx5_flow_table *ft,
222                                       struct mlx5_flow_table *next_ft)
223 {
224         u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)]   = {0};
225         u32 out[MLX5_ST_SZ_DW(modify_flow_table_out)] = {0};
226
227         MLX5_SET(modify_flow_table_in, in, opcode,
228                  MLX5_CMD_OP_MODIFY_FLOW_TABLE);
229         MLX5_SET(modify_flow_table_in, in, table_type, ft->type);
230         MLX5_SET(modify_flow_table_in, in, table_id, ft->id);
231
232         if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) {
233                 MLX5_SET(modify_flow_table_in, in, modify_field_select,
234                          MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID);
235                 if (next_ft) {
236                         MLX5_SET(modify_flow_table_in, in,
237                                  flow_table_context.lag_master_next_table_id, next_ft->id);
238                 } else {
239                         MLX5_SET(modify_flow_table_in, in,
240                                  flow_table_context.lag_master_next_table_id, 0);
241                 }
242         } else {
243                 if (ft->vport) {
244                         MLX5_SET(modify_flow_table_in, in, vport_number,
245                                  ft->vport);
246                         MLX5_SET(modify_flow_table_in, in, other_vport, 1);
247                 }
248                 MLX5_SET(modify_flow_table_in, in, modify_field_select,
249                          MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID);
250                 if (next_ft) {
251                         MLX5_SET(modify_flow_table_in, in,
252                                  flow_table_context.table_miss_action, 1);
253                         MLX5_SET(modify_flow_table_in, in,
254                                  flow_table_context.table_miss_id,
255                                  next_ft->id);
256                 } else {
257                         MLX5_SET(modify_flow_table_in, in,
258                                  flow_table_context.table_miss_action, 0);
259                 }
260         }
261
262         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
263 }
264
265 static int mlx5_cmd_create_flow_group(struct mlx5_core_dev *dev,
266                                       struct mlx5_flow_table *ft,
267                                       u32 *in,
268                                       unsigned int *group_id)
269 {
270         u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {0};
271         int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
272         int err;
273
274         MLX5_SET(create_flow_group_in, in, opcode,
275                  MLX5_CMD_OP_CREATE_FLOW_GROUP);
276         MLX5_SET(create_flow_group_in, in, table_type, ft->type);
277         MLX5_SET(create_flow_group_in, in, table_id, ft->id);
278         if (ft->vport) {
279                 MLX5_SET(create_flow_group_in, in, vport_number, ft->vport);
280                 MLX5_SET(create_flow_group_in, in, other_vport, 1);
281         }
282
283         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
284         if (!err)
285                 *group_id = MLX5_GET(create_flow_group_out, out,
286                                      group_id);
287         return err;
288 }
289
290 static int mlx5_cmd_destroy_flow_group(struct mlx5_core_dev *dev,
291                                        struct mlx5_flow_table *ft,
292                                        unsigned int group_id)
293 {
294         u32 out[MLX5_ST_SZ_DW(destroy_flow_group_out)] = {0};
295         u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)]   = {0};
296
297         MLX5_SET(destroy_flow_group_in, in, opcode,
298                  MLX5_CMD_OP_DESTROY_FLOW_GROUP);
299         MLX5_SET(destroy_flow_group_in, in, table_type, ft->type);
300         MLX5_SET(destroy_flow_group_in, in, table_id, ft->id);
301         MLX5_SET(destroy_flow_group_in, in, group_id, group_id);
302         if (ft->vport) {
303                 MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport);
304                 MLX5_SET(destroy_flow_group_in, in, other_vport, 1);
305         }
306
307         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
308 }
309
310 static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
311                             int opmod, int modify_mask,
312                             struct mlx5_flow_table *ft,
313                             unsigned group_id,
314                             struct fs_fte *fte)
315 {
316         unsigned int inlen = MLX5_ST_SZ_BYTES(set_fte_in) +
317                 fte->dests_size * MLX5_ST_SZ_BYTES(dest_format_struct);
318         u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0};
319         struct mlx5_flow_rule *dst;
320         void *in_flow_context, *vlan;
321         void *in_match_value;
322         void *in_dests;
323         u32 *in;
324         int err;
325
326         in = kvzalloc(inlen, GFP_KERNEL);
327         if (!in)
328                 return -ENOMEM;
329
330         MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY);
331         MLX5_SET(set_fte_in, in, op_mod, opmod);
332         MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask);
333         MLX5_SET(set_fte_in, in, table_type, ft->type);
334         MLX5_SET(set_fte_in, in, table_id,   ft->id);
335         MLX5_SET(set_fte_in, in, flow_index, fte->index);
336         if (ft->vport) {
337                 MLX5_SET(set_fte_in, in, vport_number, ft->vport);
338                 MLX5_SET(set_fte_in, in, other_vport, 1);
339         }
340
341         in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
342         MLX5_SET(flow_context, in_flow_context, group_id, group_id);
343
344         MLX5_SET(flow_context, in_flow_context, flow_tag, fte->action.flow_tag);
345         MLX5_SET(flow_context, in_flow_context, action, fte->action.action);
346         MLX5_SET(flow_context, in_flow_context, encap_id, fte->action.encap_id);
347         MLX5_SET(flow_context, in_flow_context, modify_header_id,
348                  fte->action.modify_id);
349
350         vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan);
351
352         MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype);
353         MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid);
354         MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio);
355
356         vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2);
357
358         MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype);
359         MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid);
360         MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio);
361
362         in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
363                                       match_value);
364         memcpy(in_match_value, &fte->val, sizeof(fte->val));
365
366         in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
367         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
368                 int list_size = 0;
369
370                 list_for_each_entry(dst, &fte->node.children, node.list) {
371                         unsigned int id;
372
373                         if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
374                                 continue;
375
376                         MLX5_SET(dest_format_struct, in_dests, destination_type,
377                                  dst->dest_attr.type);
378                         if (dst->dest_attr.type ==
379                             MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) {
380                                 id = dst->dest_attr.ft->id;
381                         } else if (dst->dest_attr.type ==
382                                    MLX5_FLOW_DESTINATION_TYPE_VPORT) {
383                                 id = dst->dest_attr.vport.num;
384                                 MLX5_SET(dest_format_struct, in_dests,
385                                          destination_eswitch_owner_vhca_id_valid,
386                                          dst->dest_attr.vport.vhca_id_valid);
387                                 MLX5_SET(dest_format_struct, in_dests,
388                                          destination_eswitch_owner_vhca_id,
389                                          dst->dest_attr.vport.vhca_id);
390                         } else {
391                                 id = dst->dest_attr.tir_num;
392                         }
393                         MLX5_SET(dest_format_struct, in_dests, destination_id, id);
394                         in_dests += MLX5_ST_SZ_BYTES(dest_format_struct);
395                         list_size++;
396                 }
397
398                 MLX5_SET(flow_context, in_flow_context, destination_list_size,
399                          list_size);
400         }
401
402         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
403                 int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev,
404                                         log_max_flow_counter,
405                                         ft->type));
406                 int list_size = 0;
407
408                 list_for_each_entry(dst, &fte->node.children, node.list) {
409                         if (dst->dest_attr.type !=
410                             MLX5_FLOW_DESTINATION_TYPE_COUNTER)
411                                 continue;
412
413                         MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
414                                  dst->dest_attr.counter->id);
415                         in_dests += MLX5_ST_SZ_BYTES(dest_format_struct);
416                         list_size++;
417                 }
418                 if (list_size > max_list_size) {
419                         err = -EINVAL;
420                         goto err_out;
421                 }
422
423                 MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
424                          list_size);
425         }
426
427         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
428 err_out:
429         kvfree(in);
430         return err;
431 }
432
433 static int mlx5_cmd_create_fte(struct mlx5_core_dev *dev,
434                                struct mlx5_flow_table *ft,
435                                struct mlx5_flow_group *group,
436                                struct fs_fte *fte)
437 {
438         unsigned int group_id = group->id;
439
440         return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
441 }
442
443 static int mlx5_cmd_update_fte(struct mlx5_core_dev *dev,
444                                struct mlx5_flow_table *ft,
445                                unsigned int group_id,
446                                int modify_mask,
447                                struct fs_fte *fte)
448 {
449         int opmod;
450         int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev,
451                                                 flow_table_properties_nic_receive.
452                                                 flow_modify_en);
453         if (!atomic_mod_cap)
454                 return -EOPNOTSUPP;
455         opmod = 1;
456
457         return  mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, group_id, fte);
458 }
459
460 static int mlx5_cmd_delete_fte(struct mlx5_core_dev *dev,
461                                struct mlx5_flow_table *ft,
462                                struct fs_fte *fte)
463 {
464         u32 out[MLX5_ST_SZ_DW(delete_fte_out)] = {0};
465         u32 in[MLX5_ST_SZ_DW(delete_fte_in)]   = {0};
466
467         MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
468         MLX5_SET(delete_fte_in, in, table_type, ft->type);
469         MLX5_SET(delete_fte_in, in, table_id, ft->id);
470         MLX5_SET(delete_fte_in, in, flow_index, fte->index);
471         if (ft->vport) {
472                 MLX5_SET(delete_fte_in, in, vport_number, ft->vport);
473                 MLX5_SET(delete_fte_in, in, other_vport, 1);
474         }
475
476         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
477 }
478
479 int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
480 {
481         u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)]   = {0};
482         u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
483         int err;
484
485         MLX5_SET(alloc_flow_counter_in, in, opcode,
486                  MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
487
488         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
489         if (!err)
490                 *id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
491         return err;
492 }
493
494 int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id)
495 {
496         u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)]   = {0};
497         u32 out[MLX5_ST_SZ_DW(dealloc_flow_counter_out)] = {0};
498
499         MLX5_SET(dealloc_flow_counter_in, in, opcode,
500                  MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
501         MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
502         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
503 }
504
505 int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id,
506                       u64 *packets, u64 *bytes)
507 {
508         u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
509                 MLX5_ST_SZ_BYTES(traffic_counter)]   = {0};
510         u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
511         void *stats;
512         int err = 0;
513
514         MLX5_SET(query_flow_counter_in, in, opcode,
515                  MLX5_CMD_OP_QUERY_FLOW_COUNTER);
516         MLX5_SET(query_flow_counter_in, in, op_mod, 0);
517         MLX5_SET(query_flow_counter_in, in, flow_counter_id, id);
518         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
519         if (err)
520                 return err;
521
522         stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics);
523         *packets = MLX5_GET64(traffic_counter, stats, packets);
524         *bytes = MLX5_GET64(traffic_counter, stats, octets);
525         return 0;
526 }
527
528 struct mlx5_cmd_fc_bulk {
529         u32 id;
530         int num;
531         int outlen;
532         u32 out[0];
533 };
534
535 struct mlx5_cmd_fc_bulk *
536 mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, u32 id, int num)
537 {
538         struct mlx5_cmd_fc_bulk *b;
539         int outlen =
540                 MLX5_ST_SZ_BYTES(query_flow_counter_out) +
541                 MLX5_ST_SZ_BYTES(traffic_counter) * num;
542
543         b = kzalloc(sizeof(*b) + outlen, GFP_KERNEL);
544         if (!b)
545                 return NULL;
546
547         b->id = id;
548         b->num = num;
549         b->outlen = outlen;
550
551         return b;
552 }
553
554 void mlx5_cmd_fc_bulk_free(struct mlx5_cmd_fc_bulk *b)
555 {
556         kfree(b);
557 }
558
559 int
560 mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, struct mlx5_cmd_fc_bulk *b)
561 {
562         u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
563
564         MLX5_SET(query_flow_counter_in, in, opcode,
565                  MLX5_CMD_OP_QUERY_FLOW_COUNTER);
566         MLX5_SET(query_flow_counter_in, in, op_mod, 0);
567         MLX5_SET(query_flow_counter_in, in, flow_counter_id, b->id);
568         MLX5_SET(query_flow_counter_in, in, num_of_counters, b->num);
569         return mlx5_cmd_exec(dev, in, sizeof(in), b->out, b->outlen);
570 }
571
572 void mlx5_cmd_fc_bulk_get(struct mlx5_core_dev *dev,
573                           struct mlx5_cmd_fc_bulk *b, u32 id,
574                           u64 *packets, u64 *bytes)
575 {
576         int index = id - b->id;
577         void *stats;
578
579         if (index < 0 || index >= b->num) {
580                 mlx5_core_warn(dev, "Flow counter id (0x%x) out of range (0x%x..0x%x). Counter ignored.\n",
581                                id, b->id, b->id + b->num - 1);
582                 return;
583         }
584
585         stats = MLX5_ADDR_OF(query_flow_counter_out, b->out,
586                              flow_statistics[index]);
587         *packets = MLX5_GET64(traffic_counter, stats, packets);
588         *bytes = MLX5_GET64(traffic_counter, stats, octets);
589 }
590
591 int mlx5_encap_alloc(struct mlx5_core_dev *dev,
592                      int header_type,
593                      size_t size,
594                      void *encap_header,
595                      u32 *encap_id)
596 {
597         int max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
598         u32 out[MLX5_ST_SZ_DW(alloc_encap_header_out)];
599         void *encap_header_in;
600         void *header;
601         int inlen;
602         int err;
603         u32 *in;
604
605         if (size > max_encap_size) {
606                 mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
607                                size, max_encap_size);
608                 return -EINVAL;
609         }
610
611         in = kzalloc(MLX5_ST_SZ_BYTES(alloc_encap_header_in) + size,
612                      GFP_KERNEL);
613         if (!in)
614                 return -ENOMEM;
615
616         encap_header_in = MLX5_ADDR_OF(alloc_encap_header_in, in, encap_header);
617         header = MLX5_ADDR_OF(encap_header_in, encap_header_in, encap_header);
618         inlen = header - (void *)in  + size;
619
620         memset(in, 0, inlen);
621         MLX5_SET(alloc_encap_header_in, in, opcode,
622                  MLX5_CMD_OP_ALLOC_ENCAP_HEADER);
623         MLX5_SET(encap_header_in, encap_header_in, encap_header_size, size);
624         MLX5_SET(encap_header_in, encap_header_in, header_type, header_type);
625         memcpy(header, encap_header, size);
626
627         memset(out, 0, sizeof(out));
628         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
629
630         *encap_id = MLX5_GET(alloc_encap_header_out, out, encap_id);
631         kfree(in);
632         return err;
633 }
634
635 void mlx5_encap_dealloc(struct mlx5_core_dev *dev, u32 encap_id)
636 {
637         u32 in[MLX5_ST_SZ_DW(dealloc_encap_header_in)];
638         u32 out[MLX5_ST_SZ_DW(dealloc_encap_header_out)];
639
640         memset(in, 0, sizeof(in));
641         MLX5_SET(dealloc_encap_header_in, in, opcode,
642                  MLX5_CMD_OP_DEALLOC_ENCAP_HEADER);
643         MLX5_SET(dealloc_encap_header_in, in, encap_id, encap_id);
644
645         mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
646 }
647
648 int mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
649                              u8 namespace, u8 num_actions,
650                              void *modify_actions, u32 *modify_header_id)
651 {
652         u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)];
653         int max_actions, actions_size, inlen, err;
654         void *actions_in;
655         u8 table_type;
656         u32 *in;
657
658         switch (namespace) {
659         case MLX5_FLOW_NAMESPACE_FDB:
660                 max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions);
661                 table_type = FS_FT_FDB;
662                 break;
663         case MLX5_FLOW_NAMESPACE_KERNEL:
664                 max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
665                 table_type = FS_FT_NIC_RX;
666                 break;
667         default:
668                 return -EOPNOTSUPP;
669         }
670
671         if (num_actions > max_actions) {
672                 mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n",
673                                num_actions, max_actions);
674                 return -EOPNOTSUPP;
675         }
676
677         actions_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) * num_actions;
678         inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
679
680         in = kzalloc(inlen, GFP_KERNEL);
681         if (!in)
682                 return -ENOMEM;
683
684         MLX5_SET(alloc_modify_header_context_in, in, opcode,
685                  MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT);
686         MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type);
687         MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions);
688
689         actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
690         memcpy(actions_in, modify_actions, actions_size);
691
692         memset(out, 0, sizeof(out));
693         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
694
695         *modify_header_id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
696         kfree(in);
697         return err;
698 }
699
700 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, u32 modify_header_id)
701 {
702         u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)];
703         u32 out[MLX5_ST_SZ_DW(dealloc_modify_header_context_out)];
704
705         memset(in, 0, sizeof(in));
706         MLX5_SET(dealloc_modify_header_context_in, in, opcode,
707                  MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
708         MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
709                  modify_header_id);
710
711         mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
712 }
713
714 static const struct mlx5_flow_cmds mlx5_flow_cmds = {
715         .create_flow_table = mlx5_cmd_create_flow_table,
716         .destroy_flow_table = mlx5_cmd_destroy_flow_table,
717         .modify_flow_table = mlx5_cmd_modify_flow_table,
718         .create_flow_group = mlx5_cmd_create_flow_group,
719         .destroy_flow_group = mlx5_cmd_destroy_flow_group,
720         .create_fte = mlx5_cmd_create_fte,
721         .update_fte = mlx5_cmd_update_fte,
722         .delete_fte = mlx5_cmd_delete_fte,
723         .update_root_ft = mlx5_cmd_update_root_ft,
724 };
725
726 static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = {
727         .create_flow_table = mlx5_cmd_stub_create_flow_table,
728         .destroy_flow_table = mlx5_cmd_stub_destroy_flow_table,
729         .modify_flow_table = mlx5_cmd_stub_modify_flow_table,
730         .create_flow_group = mlx5_cmd_stub_create_flow_group,
731         .destroy_flow_group = mlx5_cmd_stub_destroy_flow_group,
732         .create_fte = mlx5_cmd_stub_create_fte,
733         .update_fte = mlx5_cmd_stub_update_fte,
734         .delete_fte = mlx5_cmd_stub_delete_fte,
735         .update_root_ft = mlx5_cmd_stub_update_root_ft,
736 };
737
738 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void)
739 {
740         return &mlx5_flow_cmds;
741 }
742
743 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_stub_cmds(void)
744 {
745         return &mlx5_flow_cmd_stubs;
746 }
747
748 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type)
749 {
750         switch (type) {
751         case FS_FT_NIC_RX:
752         case FS_FT_ESW_EGRESS_ACL:
753         case FS_FT_ESW_INGRESS_ACL:
754         case FS_FT_FDB:
755         case FS_FT_SNIFFER_RX:
756         case FS_FT_SNIFFER_TX:
757                 return mlx5_fs_cmd_get_fw_cmds();
758         case FS_FT_NIC_TX:
759         default:
760                 return mlx5_fs_cmd_get_stub_cmds();
761         }
762 }