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 "fs_ft_pool.h"
40 #include "mlx5_core.h"
41 #include "eswitch.h"
42
mlx5_cmd_stub_update_root_ft(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,u32 underlay_qpn,bool disconnect)43 static int mlx5_cmd_stub_update_root_ft(struct mlx5_flow_root_namespace *ns,
44 struct mlx5_flow_table *ft,
45 u32 underlay_qpn,
46 bool disconnect)
47 {
48 return 0;
49 }
50
mlx5_cmd_stub_create_flow_table(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_table_attr * ft_attr,struct mlx5_flow_table * next_ft)51 static int mlx5_cmd_stub_create_flow_table(struct mlx5_flow_root_namespace *ns,
52 struct mlx5_flow_table *ft,
53 struct mlx5_flow_table_attr *ft_attr,
54 struct mlx5_flow_table *next_ft)
55 {
56 int max_fte = ft_attr->max_fte;
57
58 ft->max_fte = max_fte ? roundup_pow_of_two(max_fte) : 1;
59
60 return 0;
61 }
62
mlx5_cmd_stub_destroy_flow_table(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft)63 static int mlx5_cmd_stub_destroy_flow_table(struct mlx5_flow_root_namespace *ns,
64 struct mlx5_flow_table *ft)
65 {
66 return 0;
67 }
68
mlx5_cmd_stub_modify_flow_table(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_table * next_ft)69 static int mlx5_cmd_stub_modify_flow_table(struct mlx5_flow_root_namespace *ns,
70 struct mlx5_flow_table *ft,
71 struct mlx5_flow_table *next_ft)
72 {
73 return 0;
74 }
75
mlx5_cmd_stub_create_flow_group(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,u32 * in,struct mlx5_flow_group * fg)76 static int mlx5_cmd_stub_create_flow_group(struct mlx5_flow_root_namespace *ns,
77 struct mlx5_flow_table *ft,
78 u32 *in,
79 struct mlx5_flow_group *fg)
80 {
81 return 0;
82 }
83
mlx5_cmd_stub_destroy_flow_group(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_group * fg)84 static int mlx5_cmd_stub_destroy_flow_group(struct mlx5_flow_root_namespace *ns,
85 struct mlx5_flow_table *ft,
86 struct mlx5_flow_group *fg)
87 {
88 return 0;
89 }
90
mlx5_cmd_stub_create_fte(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_group * group,struct fs_fte * fte)91 static int mlx5_cmd_stub_create_fte(struct mlx5_flow_root_namespace *ns,
92 struct mlx5_flow_table *ft,
93 struct mlx5_flow_group *group,
94 struct fs_fte *fte)
95 {
96 return 0;
97 }
98
mlx5_cmd_stub_update_fte(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_group * group,int modify_mask,struct fs_fte * fte)99 static int mlx5_cmd_stub_update_fte(struct mlx5_flow_root_namespace *ns,
100 struct mlx5_flow_table *ft,
101 struct mlx5_flow_group *group,
102 int modify_mask,
103 struct fs_fte *fte)
104 {
105 return -EOPNOTSUPP;
106 }
107
mlx5_cmd_stub_delete_fte(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct fs_fte * fte)108 static int mlx5_cmd_stub_delete_fte(struct mlx5_flow_root_namespace *ns,
109 struct mlx5_flow_table *ft,
110 struct fs_fte *fte)
111 {
112 return 0;
113 }
114
mlx5_cmd_stub_packet_reformat_alloc(struct mlx5_flow_root_namespace * ns,struct mlx5_pkt_reformat_params * params,enum mlx5_flow_namespace_type namespace,struct mlx5_pkt_reformat * pkt_reformat)115 static int mlx5_cmd_stub_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
116 struct mlx5_pkt_reformat_params *params,
117 enum mlx5_flow_namespace_type namespace,
118 struct mlx5_pkt_reformat *pkt_reformat)
119 {
120 return 0;
121 }
122
mlx5_cmd_stub_packet_reformat_dealloc(struct mlx5_flow_root_namespace * ns,struct mlx5_pkt_reformat * pkt_reformat)123 static void mlx5_cmd_stub_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns,
124 struct mlx5_pkt_reformat *pkt_reformat)
125 {
126 }
127
mlx5_cmd_stub_modify_header_alloc(struct mlx5_flow_root_namespace * ns,u8 namespace,u8 num_actions,void * modify_actions,struct mlx5_modify_hdr * modify_hdr)128 static int mlx5_cmd_stub_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
129 u8 namespace, u8 num_actions,
130 void *modify_actions,
131 struct mlx5_modify_hdr *modify_hdr)
132 {
133 return 0;
134 }
135
mlx5_cmd_stub_modify_header_dealloc(struct mlx5_flow_root_namespace * ns,struct mlx5_modify_hdr * modify_hdr)136 static void mlx5_cmd_stub_modify_header_dealloc(struct mlx5_flow_root_namespace *ns,
137 struct mlx5_modify_hdr *modify_hdr)
138 {
139 }
140
mlx5_cmd_stub_set_peer(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_root_namespace * peer_ns)141 static int mlx5_cmd_stub_set_peer(struct mlx5_flow_root_namespace *ns,
142 struct mlx5_flow_root_namespace *peer_ns)
143 {
144 return 0;
145 }
146
mlx5_cmd_stub_create_ns(struct mlx5_flow_root_namespace * ns)147 static int mlx5_cmd_stub_create_ns(struct mlx5_flow_root_namespace *ns)
148 {
149 return 0;
150 }
151
mlx5_cmd_stub_destroy_ns(struct mlx5_flow_root_namespace * ns)152 static int mlx5_cmd_stub_destroy_ns(struct mlx5_flow_root_namespace *ns)
153 {
154 return 0;
155 }
156
mlx5_cmd_stub_get_capabilities(struct mlx5_flow_root_namespace * ns,enum fs_flow_table_type ft_type)157 static u32 mlx5_cmd_stub_get_capabilities(struct mlx5_flow_root_namespace *ns,
158 enum fs_flow_table_type ft_type)
159 {
160 return 0;
161 }
162
mlx5_cmd_set_slave_root_fdb(struct mlx5_core_dev * master,struct mlx5_core_dev * slave,bool ft_id_valid,u32 ft_id)163 static int mlx5_cmd_set_slave_root_fdb(struct mlx5_core_dev *master,
164 struct mlx5_core_dev *slave,
165 bool ft_id_valid,
166 u32 ft_id)
167 {
168 u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {};
169 u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {};
170 struct mlx5_flow_root_namespace *root;
171 struct mlx5_flow_namespace *ns;
172
173 MLX5_SET(set_flow_table_root_in, in, opcode,
174 MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
175 MLX5_SET(set_flow_table_root_in, in, table_type,
176 FS_FT_FDB);
177 if (ft_id_valid) {
178 MLX5_SET(set_flow_table_root_in, in,
179 table_eswitch_owner_vhca_id_valid, 1);
180 MLX5_SET(set_flow_table_root_in, in,
181 table_eswitch_owner_vhca_id,
182 MLX5_CAP_GEN(master, vhca_id));
183 MLX5_SET(set_flow_table_root_in, in, table_id,
184 ft_id);
185 } else {
186 ns = mlx5_get_flow_namespace(slave,
187 MLX5_FLOW_NAMESPACE_FDB);
188 root = find_root(&ns->node);
189 MLX5_SET(set_flow_table_root_in, in, table_id,
190 root->root_ft->id);
191 }
192
193 return mlx5_cmd_exec(slave, in, sizeof(in), out, sizeof(out));
194 }
195
196 static int
mlx5_cmd_stub_destroy_match_definer(struct mlx5_flow_root_namespace * ns,int definer_id)197 mlx5_cmd_stub_destroy_match_definer(struct mlx5_flow_root_namespace *ns,
198 int definer_id)
199 {
200 return 0;
201 }
202
203 static int
mlx5_cmd_stub_create_match_definer(struct mlx5_flow_root_namespace * ns,u16 format_id,u32 * match_mask)204 mlx5_cmd_stub_create_match_definer(struct mlx5_flow_root_namespace *ns,
205 u16 format_id, u32 *match_mask)
206 {
207 return 0;
208 }
209
mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,u32 underlay_qpn,bool disconnect)210 static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns,
211 struct mlx5_flow_table *ft, u32 underlay_qpn,
212 bool disconnect)
213 {
214 u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {};
215 struct mlx5_core_dev *dev = ns->dev;
216 int err;
217
218 if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
219 underlay_qpn == 0)
220 return 0;
221
222 if (ft->type == FS_FT_FDB &&
223 mlx5_lag_is_shared_fdb(dev) &&
224 !mlx5_lag_is_master(dev))
225 return 0;
226
227 MLX5_SET(set_flow_table_root_in, in, opcode,
228 MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
229 MLX5_SET(set_flow_table_root_in, in, table_type, ft->type);
230
231 if (disconnect)
232 MLX5_SET(set_flow_table_root_in, in, op_mod, 1);
233 else
234 MLX5_SET(set_flow_table_root_in, in, table_id, ft->id);
235
236 MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn);
237 MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport);
238 MLX5_SET(set_flow_table_root_in, in, other_vport,
239 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
240
241 err = mlx5_cmd_exec_in(dev, set_flow_table_root, in);
242 if (!err &&
243 ft->type == FS_FT_FDB &&
244 mlx5_lag_is_shared_fdb(dev) &&
245 mlx5_lag_is_master(dev)) {
246 err = mlx5_cmd_set_slave_root_fdb(dev,
247 mlx5_lag_get_peer_mdev(dev),
248 !disconnect, (!disconnect) ?
249 ft->id : 0);
250 if (err && !disconnect) {
251 MLX5_SET(set_flow_table_root_in, in, op_mod, 0);
252 MLX5_SET(set_flow_table_root_in, in, table_id,
253 ns->root_ft->id);
254 mlx5_cmd_exec_in(dev, set_flow_table_root, in);
255 }
256 }
257
258 return err;
259 }
260
mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_table_attr * ft_attr,struct mlx5_flow_table * next_ft)261 static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
262 struct mlx5_flow_table *ft,
263 struct mlx5_flow_table_attr *ft_attr,
264 struct mlx5_flow_table *next_ft)
265 {
266 int en_encap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT);
267 int en_decap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_DECAP);
268 int term = !!(ft->flags & MLX5_FLOW_TABLE_TERMINATION);
269 u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {};
270 u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {};
271 struct mlx5_core_dev *dev = ns->dev;
272 unsigned int size;
273 int err;
274
275 size = mlx5_ft_pool_get_avail_sz(dev, ft->type, ft_attr->max_fte);
276 if (!size)
277 return -ENOSPC;
278
279 MLX5_SET(create_flow_table_in, in, opcode,
280 MLX5_CMD_OP_CREATE_FLOW_TABLE);
281
282 MLX5_SET(create_flow_table_in, in, uid, ft_attr->uid);
283 MLX5_SET(create_flow_table_in, in, table_type, ft->type);
284 MLX5_SET(create_flow_table_in, in, flow_table_context.level, ft->level);
285 MLX5_SET(create_flow_table_in, in, flow_table_context.log_size, size ? ilog2(size) : 0);
286 MLX5_SET(create_flow_table_in, in, vport_number, ft->vport);
287 MLX5_SET(create_flow_table_in, in, other_vport,
288 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
289
290 MLX5_SET(create_flow_table_in, in, flow_table_context.decap_en,
291 en_decap);
292 MLX5_SET(create_flow_table_in, in, flow_table_context.reformat_en,
293 en_encap);
294 MLX5_SET(create_flow_table_in, in, flow_table_context.termination_table,
295 term);
296
297 switch (ft->op_mod) {
298 case FS_FT_OP_MOD_NORMAL:
299 if (next_ft) {
300 MLX5_SET(create_flow_table_in, in,
301 flow_table_context.table_miss_action,
302 MLX5_FLOW_TABLE_MISS_ACTION_FWD);
303 MLX5_SET(create_flow_table_in, in,
304 flow_table_context.table_miss_id, next_ft->id);
305 } else {
306 MLX5_SET(create_flow_table_in, in,
307 flow_table_context.table_miss_action,
308 ft->def_miss_action);
309 }
310 break;
311
312 case FS_FT_OP_MOD_LAG_DEMUX:
313 MLX5_SET(create_flow_table_in, in, op_mod, 0x1);
314 if (next_ft)
315 MLX5_SET(create_flow_table_in, in,
316 flow_table_context.lag_master_next_table_id,
317 next_ft->id);
318 break;
319 }
320
321 err = mlx5_cmd_exec_inout(dev, create_flow_table, in, out);
322 if (!err) {
323 ft->id = MLX5_GET(create_flow_table_out, out,
324 table_id);
325 ft->max_fte = size;
326 } else {
327 mlx5_ft_pool_put_sz(ns->dev, size);
328 }
329
330 return err;
331 }
332
mlx5_cmd_destroy_flow_table(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft)333 static int mlx5_cmd_destroy_flow_table(struct mlx5_flow_root_namespace *ns,
334 struct mlx5_flow_table *ft)
335 {
336 u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {};
337 struct mlx5_core_dev *dev = ns->dev;
338 int err;
339
340 MLX5_SET(destroy_flow_table_in, in, opcode,
341 MLX5_CMD_OP_DESTROY_FLOW_TABLE);
342 MLX5_SET(destroy_flow_table_in, in, table_type, ft->type);
343 MLX5_SET(destroy_flow_table_in, in, table_id, ft->id);
344 MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport);
345 MLX5_SET(destroy_flow_table_in, in, other_vport,
346 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
347
348 err = mlx5_cmd_exec_in(dev, destroy_flow_table, in);
349 if (!err)
350 mlx5_ft_pool_put_sz(ns->dev, ft->max_fte);
351
352 return err;
353 }
354
mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_table * next_ft)355 static int mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace *ns,
356 struct mlx5_flow_table *ft,
357 struct mlx5_flow_table *next_ft)
358 {
359 u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {};
360 struct mlx5_core_dev *dev = ns->dev;
361
362 MLX5_SET(modify_flow_table_in, in, opcode,
363 MLX5_CMD_OP_MODIFY_FLOW_TABLE);
364 MLX5_SET(modify_flow_table_in, in, table_type, ft->type);
365 MLX5_SET(modify_flow_table_in, in, table_id, ft->id);
366
367 if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) {
368 MLX5_SET(modify_flow_table_in, in, modify_field_select,
369 MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID);
370 if (next_ft) {
371 MLX5_SET(modify_flow_table_in, in,
372 flow_table_context.lag_master_next_table_id, next_ft->id);
373 } else {
374 MLX5_SET(modify_flow_table_in, in,
375 flow_table_context.lag_master_next_table_id, 0);
376 }
377 } else {
378 MLX5_SET(modify_flow_table_in, in, vport_number, ft->vport);
379 MLX5_SET(modify_flow_table_in, in, other_vport,
380 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
381 MLX5_SET(modify_flow_table_in, in, modify_field_select,
382 MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID);
383 if (next_ft) {
384 MLX5_SET(modify_flow_table_in, in,
385 flow_table_context.table_miss_action,
386 MLX5_FLOW_TABLE_MISS_ACTION_FWD);
387 MLX5_SET(modify_flow_table_in, in,
388 flow_table_context.table_miss_id,
389 next_ft->id);
390 } else {
391 MLX5_SET(modify_flow_table_in, in,
392 flow_table_context.table_miss_action,
393 ft->def_miss_action);
394 }
395 }
396
397 return mlx5_cmd_exec_in(dev, modify_flow_table, in);
398 }
399
mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,u32 * in,struct mlx5_flow_group * fg)400 static int mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace *ns,
401 struct mlx5_flow_table *ft,
402 u32 *in,
403 struct mlx5_flow_group *fg)
404 {
405 u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {};
406 struct mlx5_core_dev *dev = ns->dev;
407 int err;
408
409 MLX5_SET(create_flow_group_in, in, opcode,
410 MLX5_CMD_OP_CREATE_FLOW_GROUP);
411 MLX5_SET(create_flow_group_in, in, table_type, ft->type);
412 MLX5_SET(create_flow_group_in, in, table_id, ft->id);
413 MLX5_SET(create_flow_group_in, in, vport_number, ft->vport);
414 MLX5_SET(create_flow_group_in, in, other_vport,
415 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
416 err = mlx5_cmd_exec_inout(dev, create_flow_group, in, out);
417 if (!err)
418 fg->id = MLX5_GET(create_flow_group_out, out,
419 group_id);
420 return err;
421 }
422
mlx5_cmd_destroy_flow_group(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_group * fg)423 static int mlx5_cmd_destroy_flow_group(struct mlx5_flow_root_namespace *ns,
424 struct mlx5_flow_table *ft,
425 struct mlx5_flow_group *fg)
426 {
427 u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {};
428 struct mlx5_core_dev *dev = ns->dev;
429
430 MLX5_SET(destroy_flow_group_in, in, opcode,
431 MLX5_CMD_OP_DESTROY_FLOW_GROUP);
432 MLX5_SET(destroy_flow_group_in, in, table_type, ft->type);
433 MLX5_SET(destroy_flow_group_in, in, table_id, ft->id);
434 MLX5_SET(destroy_flow_group_in, in, group_id, fg->id);
435 MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport);
436 MLX5_SET(destroy_flow_group_in, in, other_vport,
437 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
438 return mlx5_cmd_exec_in(dev, destroy_flow_group, in);
439 }
440
mlx5_set_extended_dest(struct mlx5_core_dev * dev,struct fs_fte * fte,bool * extended_dest)441 static int mlx5_set_extended_dest(struct mlx5_core_dev *dev,
442 struct fs_fte *fte, bool *extended_dest)
443 {
444 int fw_log_max_fdb_encap_uplink =
445 MLX5_CAP_ESW(dev, log_max_fdb_encap_uplink);
446 int num_fwd_destinations = 0;
447 struct mlx5_flow_rule *dst;
448 int num_encap = 0;
449
450 *extended_dest = false;
451 if (!(fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST))
452 return 0;
453
454 list_for_each_entry(dst, &fte->node.children, node.list) {
455 if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER ||
456 dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_NONE)
457 continue;
458 if ((dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_VPORT ||
459 dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_UPLINK) &&
460 dst->dest_attr.vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID)
461 num_encap++;
462 num_fwd_destinations++;
463 }
464 if (num_fwd_destinations > 1 && num_encap > 0)
465 *extended_dest = true;
466
467 if (*extended_dest && !fw_log_max_fdb_encap_uplink) {
468 mlx5_core_warn(dev, "FW does not support extended destination");
469 return -EOPNOTSUPP;
470 }
471 if (num_encap > (1 << fw_log_max_fdb_encap_uplink)) {
472 mlx5_core_warn(dev, "FW does not support more than %d encaps",
473 1 << fw_log_max_fdb_encap_uplink);
474 return -EOPNOTSUPP;
475 }
476
477 return 0;
478 }
479
480 static void
mlx5_cmd_set_fte_flow_meter(struct fs_fte * fte,void * in_flow_context)481 mlx5_cmd_set_fte_flow_meter(struct fs_fte *fte, void *in_flow_context)
482 {
483 void *exe_aso_ctrl;
484 void *execute_aso;
485
486 execute_aso = MLX5_ADDR_OF(flow_context, in_flow_context,
487 execute_aso[0]);
488 MLX5_SET(execute_aso, execute_aso, valid, 1);
489 MLX5_SET(execute_aso, execute_aso, aso_object_id,
490 fte->action.exe_aso.object_id);
491
492 exe_aso_ctrl = MLX5_ADDR_OF(execute_aso, execute_aso, exe_aso_ctrl);
493 MLX5_SET(exe_aso_ctrl_flow_meter, exe_aso_ctrl, return_reg_id,
494 fte->action.exe_aso.return_reg_id);
495 MLX5_SET(exe_aso_ctrl_flow_meter, exe_aso_ctrl, aso_type,
496 fte->action.exe_aso.type);
497 MLX5_SET(exe_aso_ctrl_flow_meter, exe_aso_ctrl, init_color,
498 fte->action.exe_aso.flow_meter.init_color);
499 MLX5_SET(exe_aso_ctrl_flow_meter, exe_aso_ctrl, meter_id,
500 fte->action.exe_aso.flow_meter.meter_idx);
501 }
502
mlx5_cmd_set_fte(struct mlx5_core_dev * dev,int opmod,int modify_mask,struct mlx5_flow_table * ft,unsigned group_id,struct fs_fte * fte)503 static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
504 int opmod, int modify_mask,
505 struct mlx5_flow_table *ft,
506 unsigned group_id,
507 struct fs_fte *fte)
508 {
509 u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0};
510 bool extended_dest = false;
511 struct mlx5_flow_rule *dst;
512 void *in_flow_context, *vlan;
513 void *in_match_value;
514 unsigned int inlen;
515 int dst_cnt_size;
516 void *in_dests;
517 u32 *in;
518 int err;
519
520 if (mlx5_set_extended_dest(dev, fte, &extended_dest))
521 return -EOPNOTSUPP;
522
523 if (!extended_dest)
524 dst_cnt_size = MLX5_ST_SZ_BYTES(dest_format_struct);
525 else
526 dst_cnt_size = MLX5_ST_SZ_BYTES(extended_dest_format);
527
528 inlen = MLX5_ST_SZ_BYTES(set_fte_in) + fte->dests_size * dst_cnt_size;
529 in = kvzalloc(inlen, GFP_KERNEL);
530 if (!in)
531 return -ENOMEM;
532
533 MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY);
534 MLX5_SET(set_fte_in, in, op_mod, opmod);
535 MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask);
536 MLX5_SET(set_fte_in, in, table_type, ft->type);
537 MLX5_SET(set_fte_in, in, table_id, ft->id);
538 MLX5_SET(set_fte_in, in, flow_index, fte->index);
539 MLX5_SET(set_fte_in, in, ignore_flow_level,
540 !!(fte->action.flags & FLOW_ACT_IGNORE_FLOW_LEVEL));
541
542 MLX5_SET(set_fte_in, in, vport_number, ft->vport);
543 MLX5_SET(set_fte_in, in, other_vport,
544 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
545
546 in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
547 MLX5_SET(flow_context, in_flow_context, group_id, group_id);
548
549 MLX5_SET(flow_context, in_flow_context, flow_tag,
550 fte->flow_context.flow_tag);
551 MLX5_SET(flow_context, in_flow_context, flow_source,
552 fte->flow_context.flow_source);
553
554 MLX5_SET(flow_context, in_flow_context, extended_destination,
555 extended_dest);
556 if (extended_dest) {
557 u32 action;
558
559 action = fte->action.action &
560 ~MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
561 MLX5_SET(flow_context, in_flow_context, action, action);
562 } else {
563 MLX5_SET(flow_context, in_flow_context, action,
564 fte->action.action);
565 if (fte->action.pkt_reformat)
566 MLX5_SET(flow_context, in_flow_context, packet_reformat_id,
567 fte->action.pkt_reformat->id);
568 }
569 if (fte->action.modify_hdr)
570 MLX5_SET(flow_context, in_flow_context, modify_header_id,
571 fte->action.modify_hdr->id);
572
573 MLX5_SET(flow_context, in_flow_context, encrypt_decrypt_type,
574 fte->action.crypto.type);
575 MLX5_SET(flow_context, in_flow_context, encrypt_decrypt_obj_id,
576 fte->action.crypto.obj_id);
577
578 vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan);
579
580 MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype);
581 MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid);
582 MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio);
583
584 vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2);
585
586 MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype);
587 MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid);
588 MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio);
589
590 in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
591 match_value);
592 memcpy(in_match_value, &fte->val, sizeof(fte->val));
593
594 in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
595 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
596 int list_size = 0;
597
598 list_for_each_entry(dst, &fte->node.children, node.list) {
599 enum mlx5_flow_destination_type type = dst->dest_attr.type;
600 enum mlx5_ifc_flow_destination_type ifc_type;
601 unsigned int id;
602
603 if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
604 continue;
605
606 switch (type) {
607 case MLX5_FLOW_DESTINATION_TYPE_NONE:
608 continue;
609 case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM:
610 id = dst->dest_attr.ft_num;
611 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_FLOW_TABLE;
612 break;
613 case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
614 id = dst->dest_attr.ft->id;
615 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_FLOW_TABLE;
616 break;
617 case MLX5_FLOW_DESTINATION_TYPE_UPLINK:
618 case MLX5_FLOW_DESTINATION_TYPE_VPORT:
619 MLX5_SET(dest_format_struct, in_dests,
620 destination_eswitch_owner_vhca_id_valid,
621 !!(dst->dest_attr.vport.flags &
622 MLX5_FLOW_DEST_VPORT_VHCA_ID));
623 MLX5_SET(dest_format_struct, in_dests,
624 destination_eswitch_owner_vhca_id,
625 dst->dest_attr.vport.vhca_id);
626 if (type == MLX5_FLOW_DESTINATION_TYPE_UPLINK) {
627 /* destination_id is reserved */
628 id = 0;
629 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_UPLINK;
630 break;
631 }
632 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_VPORT;
633 id = dst->dest_attr.vport.num;
634 if (extended_dest &&
635 dst->dest_attr.vport.pkt_reformat) {
636 MLX5_SET(dest_format_struct, in_dests,
637 packet_reformat,
638 !!(dst->dest_attr.vport.flags &
639 MLX5_FLOW_DEST_VPORT_REFORMAT_ID));
640 MLX5_SET(extended_dest_format, in_dests,
641 packet_reformat_id,
642 dst->dest_attr.vport.pkt_reformat->id);
643 }
644 break;
645 case MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER:
646 id = dst->dest_attr.sampler_id;
647 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_FLOW_SAMPLER;
648 break;
649 case MLX5_FLOW_DESTINATION_TYPE_TABLE_TYPE:
650 MLX5_SET(dest_format_struct, in_dests,
651 destination_table_type, dst->dest_attr.ft->type);
652 id = dst->dest_attr.ft->id;
653 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_TABLE_TYPE;
654 break;
655 default:
656 id = dst->dest_attr.tir_num;
657 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_TIR;
658 }
659
660 MLX5_SET(dest_format_struct, in_dests, destination_type,
661 ifc_type);
662 MLX5_SET(dest_format_struct, in_dests, destination_id, id);
663 in_dests += dst_cnt_size;
664 list_size++;
665 }
666
667 MLX5_SET(flow_context, in_flow_context, destination_list_size,
668 list_size);
669 }
670
671 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
672 int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev,
673 log_max_flow_counter,
674 ft->type));
675 int list_size = 0;
676
677 list_for_each_entry(dst, &fte->node.children, node.list) {
678 if (dst->dest_attr.type !=
679 MLX5_FLOW_DESTINATION_TYPE_COUNTER)
680 continue;
681
682 MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
683 dst->dest_attr.counter_id);
684 in_dests += dst_cnt_size;
685 list_size++;
686 }
687 if (list_size > max_list_size) {
688 err = -EINVAL;
689 goto err_out;
690 }
691
692 MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
693 list_size);
694 }
695
696 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) {
697 if (fte->action.exe_aso.type == MLX5_EXE_ASO_FLOW_METER) {
698 mlx5_cmd_set_fte_flow_meter(fte, in_flow_context);
699 } else {
700 err = -EOPNOTSUPP;
701 goto err_out;
702 }
703 }
704
705 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
706 err_out:
707 kvfree(in);
708 return err;
709 }
710
mlx5_cmd_create_fte(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_group * group,struct fs_fte * fte)711 static int mlx5_cmd_create_fte(struct mlx5_flow_root_namespace *ns,
712 struct mlx5_flow_table *ft,
713 struct mlx5_flow_group *group,
714 struct fs_fte *fte)
715 {
716 struct mlx5_core_dev *dev = ns->dev;
717 unsigned int group_id = group->id;
718
719 return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
720 }
721
mlx5_cmd_update_fte(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_group * fg,int modify_mask,struct fs_fte * fte)722 static int mlx5_cmd_update_fte(struct mlx5_flow_root_namespace *ns,
723 struct mlx5_flow_table *ft,
724 struct mlx5_flow_group *fg,
725 int modify_mask,
726 struct fs_fte *fte)
727 {
728 int opmod;
729 struct mlx5_core_dev *dev = ns->dev;
730 int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev,
731 flow_table_properties_nic_receive.
732 flow_modify_en);
733 if (!atomic_mod_cap)
734 return -EOPNOTSUPP;
735 opmod = 1;
736
737 return mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, fg->id, fte);
738 }
739
mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct fs_fte * fte)740 static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns,
741 struct mlx5_flow_table *ft,
742 struct fs_fte *fte)
743 {
744 u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {};
745 struct mlx5_core_dev *dev = ns->dev;
746
747 MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
748 MLX5_SET(delete_fte_in, in, table_type, ft->type);
749 MLX5_SET(delete_fte_in, in, table_id, ft->id);
750 MLX5_SET(delete_fte_in, in, flow_index, fte->index);
751 MLX5_SET(delete_fte_in, in, vport_number, ft->vport);
752 MLX5_SET(delete_fte_in, in, other_vport,
753 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
754
755 return mlx5_cmd_exec_in(dev, delete_fte, in);
756 }
757
mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev * dev,enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask,u32 * id)758 int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev,
759 enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask,
760 u32 *id)
761 {
762 u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {};
763 u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {};
764 int err;
765
766 MLX5_SET(alloc_flow_counter_in, in, opcode,
767 MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
768 MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, alloc_bitmask);
769
770 err = mlx5_cmd_exec_inout(dev, alloc_flow_counter, in, out);
771 if (!err)
772 *id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
773 return err;
774 }
775
mlx5_cmd_fc_alloc(struct mlx5_core_dev * dev,u32 * id)776 int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
777 {
778 return mlx5_cmd_fc_bulk_alloc(dev, 0, id);
779 }
780
mlx5_cmd_fc_free(struct mlx5_core_dev * dev,u32 id)781 int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id)
782 {
783 u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {};
784
785 MLX5_SET(dealloc_flow_counter_in, in, opcode,
786 MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
787 MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
788 return mlx5_cmd_exec_in(dev, dealloc_flow_counter, in);
789 }
790
mlx5_cmd_fc_query(struct mlx5_core_dev * dev,u32 id,u64 * packets,u64 * bytes)791 int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id,
792 u64 *packets, u64 *bytes)
793 {
794 u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
795 MLX5_ST_SZ_BYTES(traffic_counter)] = {};
796 u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {};
797 void *stats;
798 int err = 0;
799
800 MLX5_SET(query_flow_counter_in, in, opcode,
801 MLX5_CMD_OP_QUERY_FLOW_COUNTER);
802 MLX5_SET(query_flow_counter_in, in, op_mod, 0);
803 MLX5_SET(query_flow_counter_in, in, flow_counter_id, id);
804 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
805 if (err)
806 return err;
807
808 stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics);
809 *packets = MLX5_GET64(traffic_counter, stats, packets);
810 *bytes = MLX5_GET64(traffic_counter, stats, octets);
811 return 0;
812 }
813
mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len)814 int mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len)
815 {
816 return MLX5_ST_SZ_BYTES(query_flow_counter_out) +
817 MLX5_ST_SZ_BYTES(traffic_counter) * bulk_len;
818 }
819
mlx5_cmd_fc_bulk_query(struct mlx5_core_dev * dev,u32 base_id,int bulk_len,u32 * out)820 int mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, u32 base_id, int bulk_len,
821 u32 *out)
822 {
823 int outlen = mlx5_cmd_fc_get_bulk_query_out_len(bulk_len);
824 u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {};
825
826 MLX5_SET(query_flow_counter_in, in, opcode,
827 MLX5_CMD_OP_QUERY_FLOW_COUNTER);
828 MLX5_SET(query_flow_counter_in, in, flow_counter_id, base_id);
829 MLX5_SET(query_flow_counter_in, in, num_of_counters, bulk_len);
830 return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
831 }
832
mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace * ns,struct mlx5_pkt_reformat_params * params,enum mlx5_flow_namespace_type namespace,struct mlx5_pkt_reformat * pkt_reformat)833 static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
834 struct mlx5_pkt_reformat_params *params,
835 enum mlx5_flow_namespace_type namespace,
836 struct mlx5_pkt_reformat *pkt_reformat)
837 {
838 u32 out[MLX5_ST_SZ_DW(alloc_packet_reformat_context_out)] = {};
839 struct mlx5_core_dev *dev = ns->dev;
840 void *packet_reformat_context_in;
841 int max_encap_size;
842 void *reformat;
843 int inlen;
844 int err;
845 u32 *in;
846
847 if (namespace == MLX5_FLOW_NAMESPACE_FDB ||
848 namespace == MLX5_FLOW_NAMESPACE_FDB_BYPASS)
849 max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
850 else
851 max_encap_size = MLX5_CAP_FLOWTABLE(dev, max_encap_header_size);
852
853 if (params->size > max_encap_size) {
854 mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
855 params->size, max_encap_size);
856 return -EINVAL;
857 }
858
859 in = kzalloc(MLX5_ST_SZ_BYTES(alloc_packet_reformat_context_in) +
860 params->size, GFP_KERNEL);
861 if (!in)
862 return -ENOMEM;
863
864 packet_reformat_context_in = MLX5_ADDR_OF(alloc_packet_reformat_context_in,
865 in, packet_reformat_context);
866 reformat = MLX5_ADDR_OF(packet_reformat_context_in,
867 packet_reformat_context_in,
868 reformat_data);
869 inlen = reformat - (void *)in + params->size;
870
871 MLX5_SET(alloc_packet_reformat_context_in, in, opcode,
872 MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT);
873 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
874 reformat_data_size, params->size);
875 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
876 reformat_type, params->type);
877 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
878 reformat_param_0, params->param_0);
879 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
880 reformat_param_1, params->param_1);
881 if (params->data && params->size)
882 memcpy(reformat, params->data, params->size);
883
884 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
885
886 pkt_reformat->id = MLX5_GET(alloc_packet_reformat_context_out,
887 out, packet_reformat_id);
888 kfree(in);
889 return err;
890 }
891
mlx5_cmd_packet_reformat_dealloc(struct mlx5_flow_root_namespace * ns,struct mlx5_pkt_reformat * pkt_reformat)892 static void mlx5_cmd_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns,
893 struct mlx5_pkt_reformat *pkt_reformat)
894 {
895 u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)] = {};
896 struct mlx5_core_dev *dev = ns->dev;
897
898 MLX5_SET(dealloc_packet_reformat_context_in, in, opcode,
899 MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT);
900 MLX5_SET(dealloc_packet_reformat_context_in, in, packet_reformat_id,
901 pkt_reformat->id);
902
903 mlx5_cmd_exec_in(dev, dealloc_packet_reformat_context, in);
904 }
905
mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace * ns,u8 namespace,u8 num_actions,void * modify_actions,struct mlx5_modify_hdr * modify_hdr)906 static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
907 u8 namespace, u8 num_actions,
908 void *modify_actions,
909 struct mlx5_modify_hdr *modify_hdr)
910 {
911 u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)] = {};
912 int max_actions, actions_size, inlen, err;
913 struct mlx5_core_dev *dev = ns->dev;
914 void *actions_in;
915 u8 table_type;
916 u32 *in;
917
918 switch (namespace) {
919 case MLX5_FLOW_NAMESPACE_FDB:
920 case MLX5_FLOW_NAMESPACE_FDB_BYPASS:
921 max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions);
922 table_type = FS_FT_FDB;
923 break;
924 case MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC:
925 case MLX5_FLOW_NAMESPACE_KERNEL:
926 case MLX5_FLOW_NAMESPACE_BYPASS:
927 max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
928 table_type = FS_FT_NIC_RX;
929 break;
930 case MLX5_FLOW_NAMESPACE_EGRESS:
931 case MLX5_FLOW_NAMESPACE_EGRESS_IPSEC:
932 case MLX5_FLOW_NAMESPACE_EGRESS_MACSEC:
933 max_actions = MLX5_CAP_FLOWTABLE_NIC_TX(dev, max_modify_header_actions);
934 table_type = FS_FT_NIC_TX;
935 break;
936 case MLX5_FLOW_NAMESPACE_ESW_INGRESS:
937 max_actions = MLX5_CAP_ESW_INGRESS_ACL(dev, max_modify_header_actions);
938 table_type = FS_FT_ESW_INGRESS_ACL;
939 break;
940 case MLX5_FLOW_NAMESPACE_RDMA_TX:
941 max_actions = MLX5_CAP_FLOWTABLE_RDMA_TX(dev, max_modify_header_actions);
942 table_type = FS_FT_RDMA_TX;
943 break;
944 default:
945 return -EOPNOTSUPP;
946 }
947
948 if (num_actions > max_actions) {
949 mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n",
950 num_actions, max_actions);
951 return -EOPNOTSUPP;
952 }
953
954 actions_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) * num_actions;
955 inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
956
957 in = kzalloc(inlen, GFP_KERNEL);
958 if (!in)
959 return -ENOMEM;
960
961 MLX5_SET(alloc_modify_header_context_in, in, opcode,
962 MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT);
963 MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type);
964 MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions);
965
966 actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
967 memcpy(actions_in, modify_actions, actions_size);
968
969 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
970
971 modify_hdr->id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
972 kfree(in);
973 return err;
974 }
975
mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace * ns,struct mlx5_modify_hdr * modify_hdr)976 static void mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace *ns,
977 struct mlx5_modify_hdr *modify_hdr)
978 {
979 u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)] = {};
980 struct mlx5_core_dev *dev = ns->dev;
981
982 MLX5_SET(dealloc_modify_header_context_in, in, opcode,
983 MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
984 MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
985 modify_hdr->id);
986
987 mlx5_cmd_exec_in(dev, dealloc_modify_header_context, in);
988 }
989
mlx5_cmd_destroy_match_definer(struct mlx5_flow_root_namespace * ns,int definer_id)990 static int mlx5_cmd_destroy_match_definer(struct mlx5_flow_root_namespace *ns,
991 int definer_id)
992 {
993 u32 in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {};
994 u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
995
996 MLX5_SET(general_obj_in_cmd_hdr, in, opcode,
997 MLX5_CMD_OP_DESTROY_GENERAL_OBJECT);
998 MLX5_SET(general_obj_in_cmd_hdr, in, obj_type,
999 MLX5_OBJ_TYPE_MATCH_DEFINER);
1000 MLX5_SET(general_obj_in_cmd_hdr, in, obj_id, definer_id);
1001
1002 return mlx5_cmd_exec(ns->dev, in, sizeof(in), out, sizeof(out));
1003 }
1004
mlx5_cmd_create_match_definer(struct mlx5_flow_root_namespace * ns,u16 format_id,u32 * match_mask)1005 static int mlx5_cmd_create_match_definer(struct mlx5_flow_root_namespace *ns,
1006 u16 format_id, u32 *match_mask)
1007 {
1008 u32 out[MLX5_ST_SZ_DW(create_match_definer_out)] = {};
1009 u32 in[MLX5_ST_SZ_DW(create_match_definer_in)] = {};
1010 struct mlx5_core_dev *dev = ns->dev;
1011 void *ptr;
1012 int err;
1013
1014 MLX5_SET(create_match_definer_in, in, general_obj_in_cmd_hdr.opcode,
1015 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
1016 MLX5_SET(create_match_definer_in, in, general_obj_in_cmd_hdr.obj_type,
1017 MLX5_OBJ_TYPE_MATCH_DEFINER);
1018
1019 ptr = MLX5_ADDR_OF(create_match_definer_in, in, obj_context);
1020 MLX5_SET(match_definer, ptr, format_id, format_id);
1021
1022 ptr = MLX5_ADDR_OF(match_definer, ptr, match_mask);
1023 memcpy(ptr, match_mask, MLX5_FLD_SZ_BYTES(match_definer, match_mask));
1024
1025 err = mlx5_cmd_exec_inout(dev, create_match_definer, in, out);
1026 return err ? err : MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
1027 }
1028
mlx5_cmd_get_capabilities(struct mlx5_flow_root_namespace * ns,enum fs_flow_table_type ft_type)1029 static u32 mlx5_cmd_get_capabilities(struct mlx5_flow_root_namespace *ns,
1030 enum fs_flow_table_type ft_type)
1031 {
1032 return 0;
1033 }
1034
1035 static const struct mlx5_flow_cmds mlx5_flow_cmds = {
1036 .create_flow_table = mlx5_cmd_create_flow_table,
1037 .destroy_flow_table = mlx5_cmd_destroy_flow_table,
1038 .modify_flow_table = mlx5_cmd_modify_flow_table,
1039 .create_flow_group = mlx5_cmd_create_flow_group,
1040 .destroy_flow_group = mlx5_cmd_destroy_flow_group,
1041 .create_fte = mlx5_cmd_create_fte,
1042 .update_fte = mlx5_cmd_update_fte,
1043 .delete_fte = mlx5_cmd_delete_fte,
1044 .update_root_ft = mlx5_cmd_update_root_ft,
1045 .packet_reformat_alloc = mlx5_cmd_packet_reformat_alloc,
1046 .packet_reformat_dealloc = mlx5_cmd_packet_reformat_dealloc,
1047 .modify_header_alloc = mlx5_cmd_modify_header_alloc,
1048 .modify_header_dealloc = mlx5_cmd_modify_header_dealloc,
1049 .create_match_definer = mlx5_cmd_create_match_definer,
1050 .destroy_match_definer = mlx5_cmd_destroy_match_definer,
1051 .set_peer = mlx5_cmd_stub_set_peer,
1052 .create_ns = mlx5_cmd_stub_create_ns,
1053 .destroy_ns = mlx5_cmd_stub_destroy_ns,
1054 .get_capabilities = mlx5_cmd_get_capabilities,
1055 };
1056
1057 static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = {
1058 .create_flow_table = mlx5_cmd_stub_create_flow_table,
1059 .destroy_flow_table = mlx5_cmd_stub_destroy_flow_table,
1060 .modify_flow_table = mlx5_cmd_stub_modify_flow_table,
1061 .create_flow_group = mlx5_cmd_stub_create_flow_group,
1062 .destroy_flow_group = mlx5_cmd_stub_destroy_flow_group,
1063 .create_fte = mlx5_cmd_stub_create_fte,
1064 .update_fte = mlx5_cmd_stub_update_fte,
1065 .delete_fte = mlx5_cmd_stub_delete_fte,
1066 .update_root_ft = mlx5_cmd_stub_update_root_ft,
1067 .packet_reformat_alloc = mlx5_cmd_stub_packet_reformat_alloc,
1068 .packet_reformat_dealloc = mlx5_cmd_stub_packet_reformat_dealloc,
1069 .modify_header_alloc = mlx5_cmd_stub_modify_header_alloc,
1070 .modify_header_dealloc = mlx5_cmd_stub_modify_header_dealloc,
1071 .create_match_definer = mlx5_cmd_stub_create_match_definer,
1072 .destroy_match_definer = mlx5_cmd_stub_destroy_match_definer,
1073 .set_peer = mlx5_cmd_stub_set_peer,
1074 .create_ns = mlx5_cmd_stub_create_ns,
1075 .destroy_ns = mlx5_cmd_stub_destroy_ns,
1076 .get_capabilities = mlx5_cmd_stub_get_capabilities,
1077 };
1078
mlx5_fs_cmd_get_fw_cmds(void)1079 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void)
1080 {
1081 return &mlx5_flow_cmds;
1082 }
1083
mlx5_fs_cmd_get_stub_cmds(void)1084 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_stub_cmds(void)
1085 {
1086 return &mlx5_flow_cmd_stubs;
1087 }
1088
mlx5_fs_cmd_get_default(enum fs_flow_table_type type)1089 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type)
1090 {
1091 switch (type) {
1092 case FS_FT_NIC_RX:
1093 case FS_FT_ESW_EGRESS_ACL:
1094 case FS_FT_ESW_INGRESS_ACL:
1095 case FS_FT_FDB:
1096 case FS_FT_SNIFFER_RX:
1097 case FS_FT_SNIFFER_TX:
1098 case FS_FT_NIC_TX:
1099 case FS_FT_RDMA_RX:
1100 case FS_FT_RDMA_TX:
1101 case FS_FT_PORT_SEL:
1102 return mlx5_fs_cmd_get_fw_cmds();
1103 default:
1104 return mlx5_fs_cmd_get_stub_cmds();
1105 }
1106 }
1107