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,u16 peer_vhca_id)141 static int mlx5_cmd_stub_set_peer(struct mlx5_flow_root_namespace *ns,
142 struct mlx5_flow_root_namespace *peer_ns,
143 u16 peer_vhca_id)
144 {
145 return 0;
146 }
147
mlx5_cmd_stub_create_ns(struct mlx5_flow_root_namespace * ns)148 static int mlx5_cmd_stub_create_ns(struct mlx5_flow_root_namespace *ns)
149 {
150 return 0;
151 }
152
mlx5_cmd_stub_destroy_ns(struct mlx5_flow_root_namespace * ns)153 static int mlx5_cmd_stub_destroy_ns(struct mlx5_flow_root_namespace *ns)
154 {
155 return 0;
156 }
157
mlx5_cmd_stub_get_capabilities(struct mlx5_flow_root_namespace * ns,enum fs_flow_table_type ft_type)158 static u32 mlx5_cmd_stub_get_capabilities(struct mlx5_flow_root_namespace *ns,
159 enum fs_flow_table_type ft_type)
160 {
161 return 0;
162 }
163
mlx5_cmd_set_slave_root_fdb(struct mlx5_core_dev * master,struct mlx5_core_dev * slave,bool ft_id_valid,u32 ft_id)164 static int mlx5_cmd_set_slave_root_fdb(struct mlx5_core_dev *master,
165 struct mlx5_core_dev *slave,
166 bool ft_id_valid,
167 u32 ft_id)
168 {
169 u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {};
170 u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {};
171 struct mlx5_flow_root_namespace *root;
172 struct mlx5_flow_namespace *ns;
173
174 MLX5_SET(set_flow_table_root_in, in, opcode,
175 MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
176 MLX5_SET(set_flow_table_root_in, in, table_type,
177 FS_FT_FDB);
178 if (ft_id_valid) {
179 MLX5_SET(set_flow_table_root_in, in,
180 table_eswitch_owner_vhca_id_valid, 1);
181 MLX5_SET(set_flow_table_root_in, in,
182 table_eswitch_owner_vhca_id,
183 MLX5_CAP_GEN(master, vhca_id));
184 MLX5_SET(set_flow_table_root_in, in, table_id,
185 ft_id);
186 } else {
187 ns = mlx5_get_flow_namespace(slave,
188 MLX5_FLOW_NAMESPACE_FDB);
189 root = find_root(&ns->node);
190 MLX5_SET(set_flow_table_root_in, in, table_id,
191 root->root_ft->id);
192 }
193
194 return mlx5_cmd_exec(slave, in, sizeof(in), out, sizeof(out));
195 }
196
197 static int
mlx5_cmd_stub_destroy_match_definer(struct mlx5_flow_root_namespace * ns,int definer_id)198 mlx5_cmd_stub_destroy_match_definer(struct mlx5_flow_root_namespace *ns,
199 int definer_id)
200 {
201 return 0;
202 }
203
204 static int
mlx5_cmd_stub_create_match_definer(struct mlx5_flow_root_namespace * ns,u16 format_id,u32 * match_mask)205 mlx5_cmd_stub_create_match_definer(struct mlx5_flow_root_namespace *ns,
206 u16 format_id, u32 *match_mask)
207 {
208 return 0;
209 }
210
mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,u32 underlay_qpn,bool disconnect)211 static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns,
212 struct mlx5_flow_table *ft, u32 underlay_qpn,
213 bool disconnect)
214 {
215 u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {};
216 struct mlx5_core_dev *dev = ns->dev;
217 int err;
218
219 if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
220 underlay_qpn == 0)
221 return 0;
222
223 if (ft->type == FS_FT_FDB &&
224 mlx5_lag_is_shared_fdb(dev) &&
225 !mlx5_lag_is_master(dev))
226 return 0;
227
228 MLX5_SET(set_flow_table_root_in, in, opcode,
229 MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
230 MLX5_SET(set_flow_table_root_in, in, table_type, ft->type);
231
232 if (disconnect)
233 MLX5_SET(set_flow_table_root_in, in, op_mod, 1);
234 else
235 MLX5_SET(set_flow_table_root_in, in, table_id, ft->id);
236
237 MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn);
238 MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport);
239 MLX5_SET(set_flow_table_root_in, in, other_vport,
240 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
241
242 err = mlx5_cmd_exec_in(dev, set_flow_table_root, in);
243 if (!err &&
244 ft->type == FS_FT_FDB &&
245 mlx5_lag_is_shared_fdb(dev) &&
246 mlx5_lag_is_master(dev)) {
247 struct mlx5_core_dev *peer_dev;
248 int i, j;
249
250 mlx5_lag_for_each_peer_mdev(dev, peer_dev, i) {
251 err = mlx5_cmd_set_slave_root_fdb(dev, peer_dev, !disconnect,
252 (!disconnect) ? ft->id : 0);
253 if (err && !disconnect) {
254 mlx5_lag_for_each_peer_mdev(dev, peer_dev, j) {
255 if (j < i)
256 mlx5_cmd_set_slave_root_fdb(dev, peer_dev, 1,
257 ns->root_ft->id);
258 else
259 break;
260 }
261
262 MLX5_SET(set_flow_table_root_in, in, op_mod, 0);
263 MLX5_SET(set_flow_table_root_in, in, table_id,
264 ns->root_ft->id);
265 mlx5_cmd_exec_in(dev, set_flow_table_root, in);
266 }
267 if (err)
268 break;
269 }
270
271 }
272
273 return err;
274 }
275
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)276 static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
277 struct mlx5_flow_table *ft,
278 struct mlx5_flow_table_attr *ft_attr,
279 struct mlx5_flow_table *next_ft)
280 {
281 int en_encap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT);
282 int en_decap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_DECAP);
283 int term = !!(ft->flags & MLX5_FLOW_TABLE_TERMINATION);
284 u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {};
285 u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {};
286 struct mlx5_core_dev *dev = ns->dev;
287 unsigned int size;
288 int err;
289
290 size = mlx5_ft_pool_get_avail_sz(dev, ft->type, ft_attr->max_fte);
291 if (!size)
292 return -ENOSPC;
293
294 MLX5_SET(create_flow_table_in, in, opcode,
295 MLX5_CMD_OP_CREATE_FLOW_TABLE);
296
297 MLX5_SET(create_flow_table_in, in, uid, ft_attr->uid);
298 MLX5_SET(create_flow_table_in, in, table_type, ft->type);
299 MLX5_SET(create_flow_table_in, in, flow_table_context.level, ft->level);
300 MLX5_SET(create_flow_table_in, in, flow_table_context.log_size, size ? ilog2(size) : 0);
301 MLX5_SET(create_flow_table_in, in, vport_number, ft->vport);
302 MLX5_SET(create_flow_table_in, in, other_vport,
303 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
304
305 MLX5_SET(create_flow_table_in, in, flow_table_context.decap_en,
306 en_decap);
307 MLX5_SET(create_flow_table_in, in, flow_table_context.reformat_en,
308 en_encap);
309 MLX5_SET(create_flow_table_in, in, flow_table_context.termination_table,
310 term);
311
312 switch (ft->op_mod) {
313 case FS_FT_OP_MOD_NORMAL:
314 if (next_ft) {
315 MLX5_SET(create_flow_table_in, in,
316 flow_table_context.table_miss_action,
317 MLX5_FLOW_TABLE_MISS_ACTION_FWD);
318 MLX5_SET(create_flow_table_in, in,
319 flow_table_context.table_miss_id, next_ft->id);
320 } else {
321 MLX5_SET(create_flow_table_in, in,
322 flow_table_context.table_miss_action,
323 ft->def_miss_action);
324 }
325 break;
326
327 case FS_FT_OP_MOD_LAG_DEMUX:
328 MLX5_SET(create_flow_table_in, in, op_mod, 0x1);
329 if (next_ft)
330 MLX5_SET(create_flow_table_in, in,
331 flow_table_context.lag_master_next_table_id,
332 next_ft->id);
333 break;
334 }
335
336 err = mlx5_cmd_exec_inout(dev, create_flow_table, in, out);
337 if (!err) {
338 ft->id = MLX5_GET(create_flow_table_out, out,
339 table_id);
340 ft->max_fte = size;
341 } else {
342 mlx5_ft_pool_put_sz(ns->dev, size);
343 }
344
345 return err;
346 }
347
mlx5_cmd_destroy_flow_table(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft)348 static int mlx5_cmd_destroy_flow_table(struct mlx5_flow_root_namespace *ns,
349 struct mlx5_flow_table *ft)
350 {
351 u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {};
352 struct mlx5_core_dev *dev = ns->dev;
353 int err;
354
355 MLX5_SET(destroy_flow_table_in, in, opcode,
356 MLX5_CMD_OP_DESTROY_FLOW_TABLE);
357 MLX5_SET(destroy_flow_table_in, in, table_type, ft->type);
358 MLX5_SET(destroy_flow_table_in, in, table_id, ft->id);
359 MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport);
360 MLX5_SET(destroy_flow_table_in, in, other_vport,
361 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
362
363 err = mlx5_cmd_exec_in(dev, destroy_flow_table, in);
364 if (!err)
365 mlx5_ft_pool_put_sz(ns->dev, ft->max_fte);
366
367 return err;
368 }
369
mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_table * next_ft)370 static int mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace *ns,
371 struct mlx5_flow_table *ft,
372 struct mlx5_flow_table *next_ft)
373 {
374 u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {};
375 struct mlx5_core_dev *dev = ns->dev;
376
377 MLX5_SET(modify_flow_table_in, in, opcode,
378 MLX5_CMD_OP_MODIFY_FLOW_TABLE);
379 MLX5_SET(modify_flow_table_in, in, table_type, ft->type);
380 MLX5_SET(modify_flow_table_in, in, table_id, ft->id);
381
382 if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) {
383 MLX5_SET(modify_flow_table_in, in, modify_field_select,
384 MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID);
385 if (next_ft) {
386 MLX5_SET(modify_flow_table_in, in,
387 flow_table_context.lag_master_next_table_id, next_ft->id);
388 } else {
389 MLX5_SET(modify_flow_table_in, in,
390 flow_table_context.lag_master_next_table_id, 0);
391 }
392 } else {
393 MLX5_SET(modify_flow_table_in, in, vport_number, ft->vport);
394 MLX5_SET(modify_flow_table_in, in, other_vport,
395 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
396 MLX5_SET(modify_flow_table_in, in, modify_field_select,
397 MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID);
398 if (next_ft) {
399 MLX5_SET(modify_flow_table_in, in,
400 flow_table_context.table_miss_action,
401 MLX5_FLOW_TABLE_MISS_ACTION_FWD);
402 MLX5_SET(modify_flow_table_in, in,
403 flow_table_context.table_miss_id,
404 next_ft->id);
405 } else {
406 MLX5_SET(modify_flow_table_in, in,
407 flow_table_context.table_miss_action,
408 ft->def_miss_action);
409 }
410 }
411
412 return mlx5_cmd_exec_in(dev, modify_flow_table, in);
413 }
414
mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,u32 * in,struct mlx5_flow_group * fg)415 static int mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace *ns,
416 struct mlx5_flow_table *ft,
417 u32 *in,
418 struct mlx5_flow_group *fg)
419 {
420 u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {};
421 struct mlx5_core_dev *dev = ns->dev;
422 int err;
423
424 MLX5_SET(create_flow_group_in, in, opcode,
425 MLX5_CMD_OP_CREATE_FLOW_GROUP);
426 MLX5_SET(create_flow_group_in, in, table_type, ft->type);
427 MLX5_SET(create_flow_group_in, in, table_id, ft->id);
428 MLX5_SET(create_flow_group_in, in, vport_number, ft->vport);
429 MLX5_SET(create_flow_group_in, in, other_vport,
430 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
431 err = mlx5_cmd_exec_inout(dev, create_flow_group, in, out);
432 if (!err)
433 fg->id = MLX5_GET(create_flow_group_out, out,
434 group_id);
435 return err;
436 }
437
mlx5_cmd_destroy_flow_group(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_group * fg)438 static int mlx5_cmd_destroy_flow_group(struct mlx5_flow_root_namespace *ns,
439 struct mlx5_flow_table *ft,
440 struct mlx5_flow_group *fg)
441 {
442 u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {};
443 struct mlx5_core_dev *dev = ns->dev;
444
445 MLX5_SET(destroy_flow_group_in, in, opcode,
446 MLX5_CMD_OP_DESTROY_FLOW_GROUP);
447 MLX5_SET(destroy_flow_group_in, in, table_type, ft->type);
448 MLX5_SET(destroy_flow_group_in, in, table_id, ft->id);
449 MLX5_SET(destroy_flow_group_in, in, group_id, fg->id);
450 MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport);
451 MLX5_SET(destroy_flow_group_in, in, other_vport,
452 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
453 return mlx5_cmd_exec_in(dev, destroy_flow_group, in);
454 }
455
mlx5_set_extended_dest(struct mlx5_core_dev * dev,struct fs_fte * fte,bool * extended_dest)456 static int mlx5_set_extended_dest(struct mlx5_core_dev *dev,
457 struct fs_fte *fte, bool *extended_dest)
458 {
459 int fw_log_max_fdb_encap_uplink =
460 MLX5_CAP_ESW(dev, log_max_fdb_encap_uplink);
461 int num_fwd_destinations = 0;
462 struct mlx5_flow_rule *dst;
463 int num_encap = 0;
464
465 *extended_dest = false;
466 if (!(fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST))
467 return 0;
468
469 list_for_each_entry(dst, &fte->node.children, node.list) {
470 if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER ||
471 dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_NONE)
472 continue;
473 if ((dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_VPORT ||
474 dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_UPLINK) &&
475 dst->dest_attr.vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID)
476 num_encap++;
477 num_fwd_destinations++;
478 }
479 if (num_fwd_destinations > 1 && num_encap > 0)
480 *extended_dest = true;
481
482 if (*extended_dest && !fw_log_max_fdb_encap_uplink) {
483 mlx5_core_warn(dev, "FW does not support extended destination");
484 return -EOPNOTSUPP;
485 }
486 if (num_encap > (1 << fw_log_max_fdb_encap_uplink)) {
487 mlx5_core_warn(dev, "FW does not support more than %d encaps",
488 1 << fw_log_max_fdb_encap_uplink);
489 return -EOPNOTSUPP;
490 }
491
492 return 0;
493 }
494
495 static void
mlx5_cmd_set_fte_flow_meter(struct fs_fte * fte,void * in_flow_context)496 mlx5_cmd_set_fte_flow_meter(struct fs_fte *fte, void *in_flow_context)
497 {
498 void *exe_aso_ctrl;
499 void *execute_aso;
500
501 execute_aso = MLX5_ADDR_OF(flow_context, in_flow_context,
502 execute_aso[0]);
503 MLX5_SET(execute_aso, execute_aso, valid, 1);
504 MLX5_SET(execute_aso, execute_aso, aso_object_id,
505 fte->action.exe_aso.object_id);
506
507 exe_aso_ctrl = MLX5_ADDR_OF(execute_aso, execute_aso, exe_aso_ctrl);
508 MLX5_SET(exe_aso_ctrl_flow_meter, exe_aso_ctrl, return_reg_id,
509 fte->action.exe_aso.return_reg_id);
510 MLX5_SET(exe_aso_ctrl_flow_meter, exe_aso_ctrl, aso_type,
511 fte->action.exe_aso.type);
512 MLX5_SET(exe_aso_ctrl_flow_meter, exe_aso_ctrl, init_color,
513 fte->action.exe_aso.flow_meter.init_color);
514 MLX5_SET(exe_aso_ctrl_flow_meter, exe_aso_ctrl, meter_id,
515 fte->action.exe_aso.flow_meter.meter_idx);
516 }
517
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)518 static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
519 int opmod, int modify_mask,
520 struct mlx5_flow_table *ft,
521 unsigned group_id,
522 struct fs_fte *fte)
523 {
524 u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0};
525 bool extended_dest = false;
526 struct mlx5_flow_rule *dst;
527 void *in_flow_context, *vlan;
528 void *in_match_value;
529 int reformat_id = 0;
530 unsigned int inlen;
531 int dst_cnt_size;
532 u32 *in, action;
533 void *in_dests;
534 int err;
535
536 if (mlx5_set_extended_dest(dev, fte, &extended_dest))
537 return -EOPNOTSUPP;
538
539 if (!extended_dest)
540 dst_cnt_size = MLX5_ST_SZ_BYTES(dest_format_struct);
541 else
542 dst_cnt_size = MLX5_ST_SZ_BYTES(extended_dest_format);
543
544 inlen = MLX5_ST_SZ_BYTES(set_fte_in) + fte->dests_size * dst_cnt_size;
545 in = kvzalloc(inlen, GFP_KERNEL);
546 if (!in)
547 return -ENOMEM;
548
549 MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY);
550 MLX5_SET(set_fte_in, in, op_mod, opmod);
551 MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask);
552 MLX5_SET(set_fte_in, in, table_type, ft->type);
553 MLX5_SET(set_fte_in, in, table_id, ft->id);
554 MLX5_SET(set_fte_in, in, flow_index, fte->index);
555 MLX5_SET(set_fte_in, in, ignore_flow_level,
556 !!(fte->action.flags & FLOW_ACT_IGNORE_FLOW_LEVEL));
557
558 MLX5_SET(set_fte_in, in, vport_number, ft->vport);
559 MLX5_SET(set_fte_in, in, other_vport,
560 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
561
562 in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
563 MLX5_SET(flow_context, in_flow_context, group_id, group_id);
564
565 MLX5_SET(flow_context, in_flow_context, flow_tag,
566 fte->flow_context.flow_tag);
567 MLX5_SET(flow_context, in_flow_context, flow_source,
568 fte->flow_context.flow_source);
569 MLX5_SET(flow_context, in_flow_context, uplink_hairpin_en,
570 !!(fte->flow_context.flags & FLOW_CONTEXT_UPLINK_HAIRPIN_EN));
571
572 MLX5_SET(flow_context, in_flow_context, extended_destination,
573 extended_dest);
574
575 action = fte->action.action;
576 if (extended_dest)
577 action &= ~MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
578
579 MLX5_SET(flow_context, in_flow_context, action, action);
580
581 if (!extended_dest && fte->action.pkt_reformat) {
582 struct mlx5_pkt_reformat *pkt_reformat = fte->action.pkt_reformat;
583
584 if (pkt_reformat->owner == MLX5_FLOW_RESOURCE_OWNER_SW) {
585 reformat_id = mlx5_fs_dr_action_get_pkt_reformat_id(pkt_reformat);
586 if (reformat_id < 0) {
587 mlx5_core_err(dev,
588 "Unsupported SW-owned pkt_reformat type (%d) in FW-owned table\n",
589 pkt_reformat->reformat_type);
590 err = reformat_id;
591 goto err_out;
592 }
593 } else {
594 reformat_id = fte->action.pkt_reformat->id;
595 }
596 }
597
598 MLX5_SET(flow_context, in_flow_context, packet_reformat_id, (u32)reformat_id);
599
600 if (fte->action.modify_hdr) {
601 if (fte->action.modify_hdr->owner == MLX5_FLOW_RESOURCE_OWNER_SW) {
602 mlx5_core_err(dev, "Can't use SW-owned modify_hdr in FW-owned table\n");
603 err = -EOPNOTSUPP;
604 goto err_out;
605 }
606
607 MLX5_SET(flow_context, in_flow_context, modify_header_id,
608 fte->action.modify_hdr->id);
609 }
610
611 MLX5_SET(flow_context, in_flow_context, encrypt_decrypt_type,
612 fte->action.crypto.type);
613 MLX5_SET(flow_context, in_flow_context, encrypt_decrypt_obj_id,
614 fte->action.crypto.obj_id);
615
616 vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan);
617
618 MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype);
619 MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid);
620 MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio);
621
622 vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2);
623
624 MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype);
625 MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid);
626 MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio);
627
628 in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
629 match_value);
630 memcpy(in_match_value, &fte->val, sizeof(fte->val));
631
632 in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
633 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
634 int list_size = 0;
635
636 list_for_each_entry(dst, &fte->node.children, node.list) {
637 enum mlx5_flow_destination_type type = dst->dest_attr.type;
638 enum mlx5_ifc_flow_destination_type ifc_type;
639 unsigned int id;
640
641 if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
642 continue;
643
644 switch (type) {
645 case MLX5_FLOW_DESTINATION_TYPE_NONE:
646 continue;
647 case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM:
648 id = dst->dest_attr.ft_num;
649 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_FLOW_TABLE;
650 break;
651 case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
652 id = dst->dest_attr.ft->id;
653 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_FLOW_TABLE;
654 break;
655 case MLX5_FLOW_DESTINATION_TYPE_UPLINK:
656 case MLX5_FLOW_DESTINATION_TYPE_VPORT:
657 MLX5_SET(dest_format_struct, in_dests,
658 destination_eswitch_owner_vhca_id_valid,
659 !!(dst->dest_attr.vport.flags &
660 MLX5_FLOW_DEST_VPORT_VHCA_ID));
661 MLX5_SET(dest_format_struct, in_dests,
662 destination_eswitch_owner_vhca_id,
663 dst->dest_attr.vport.vhca_id);
664 if (type == MLX5_FLOW_DESTINATION_TYPE_UPLINK) {
665 /* destination_id is reserved */
666 id = 0;
667 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_UPLINK;
668 break;
669 }
670 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_VPORT;
671 id = dst->dest_attr.vport.num;
672 if (extended_dest &&
673 dst->dest_attr.vport.pkt_reformat) {
674 MLX5_SET(dest_format_struct, in_dests,
675 packet_reformat,
676 !!(dst->dest_attr.vport.flags &
677 MLX5_FLOW_DEST_VPORT_REFORMAT_ID));
678 MLX5_SET(extended_dest_format, in_dests,
679 packet_reformat_id,
680 dst->dest_attr.vport.pkt_reformat->id);
681 }
682 break;
683 case MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER:
684 id = dst->dest_attr.sampler_id;
685 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_FLOW_SAMPLER;
686 break;
687 case MLX5_FLOW_DESTINATION_TYPE_TABLE_TYPE:
688 MLX5_SET(dest_format_struct, in_dests,
689 destination_table_type, dst->dest_attr.ft->type);
690 id = dst->dest_attr.ft->id;
691 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_TABLE_TYPE;
692 break;
693 default:
694 id = dst->dest_attr.tir_num;
695 ifc_type = MLX5_IFC_FLOW_DESTINATION_TYPE_TIR;
696 }
697
698 MLX5_SET(dest_format_struct, in_dests, destination_type,
699 ifc_type);
700 MLX5_SET(dest_format_struct, in_dests, destination_id, id);
701 in_dests += dst_cnt_size;
702 list_size++;
703 }
704
705 MLX5_SET(flow_context, in_flow_context, destination_list_size,
706 list_size);
707 }
708
709 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
710 int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev,
711 log_max_flow_counter,
712 ft->type));
713 int list_size = 0;
714
715 list_for_each_entry(dst, &fte->node.children, node.list) {
716 if (dst->dest_attr.type !=
717 MLX5_FLOW_DESTINATION_TYPE_COUNTER)
718 continue;
719
720 MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
721 dst->dest_attr.counter_id);
722 in_dests += dst_cnt_size;
723 list_size++;
724 }
725 if (list_size > max_list_size) {
726 err = -EINVAL;
727 goto err_out;
728 }
729
730 MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
731 list_size);
732 }
733
734 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) {
735 if (fte->action.exe_aso.type == MLX5_EXE_ASO_FLOW_METER) {
736 mlx5_cmd_set_fte_flow_meter(fte, in_flow_context);
737 } else {
738 err = -EOPNOTSUPP;
739 goto err_out;
740 }
741 }
742
743 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
744 err_out:
745 kvfree(in);
746 return err;
747 }
748
mlx5_cmd_create_fte(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct mlx5_flow_group * group,struct fs_fte * fte)749 static int mlx5_cmd_create_fte(struct mlx5_flow_root_namespace *ns,
750 struct mlx5_flow_table *ft,
751 struct mlx5_flow_group *group,
752 struct fs_fte *fte)
753 {
754 struct mlx5_core_dev *dev = ns->dev;
755 unsigned int group_id = group->id;
756
757 return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
758 }
759
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)760 static int mlx5_cmd_update_fte(struct mlx5_flow_root_namespace *ns,
761 struct mlx5_flow_table *ft,
762 struct mlx5_flow_group *fg,
763 int modify_mask,
764 struct fs_fte *fte)
765 {
766 int opmod;
767 struct mlx5_core_dev *dev = ns->dev;
768 int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev,
769 flow_table_properties_nic_receive.
770 flow_modify_en);
771 if (!atomic_mod_cap)
772 return -EOPNOTSUPP;
773 opmod = 1;
774
775 return mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, fg->id, fte);
776 }
777
mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace * ns,struct mlx5_flow_table * ft,struct fs_fte * fte)778 static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns,
779 struct mlx5_flow_table *ft,
780 struct fs_fte *fte)
781 {
782 u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {};
783 struct mlx5_core_dev *dev = ns->dev;
784
785 MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
786 MLX5_SET(delete_fte_in, in, table_type, ft->type);
787 MLX5_SET(delete_fte_in, in, table_id, ft->id);
788 MLX5_SET(delete_fte_in, in, flow_index, fte->index);
789 MLX5_SET(delete_fte_in, in, vport_number, ft->vport);
790 MLX5_SET(delete_fte_in, in, other_vport,
791 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
792
793 return mlx5_cmd_exec_in(dev, delete_fte, in);
794 }
795
mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev * dev,enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask,u32 * id)796 int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev,
797 enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask,
798 u32 *id)
799 {
800 u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {};
801 u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {};
802 int err;
803
804 MLX5_SET(alloc_flow_counter_in, in, opcode,
805 MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
806 MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, alloc_bitmask);
807
808 err = mlx5_cmd_exec_inout(dev, alloc_flow_counter, in, out);
809 if (!err)
810 *id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
811 return err;
812 }
813
mlx5_cmd_fc_alloc(struct mlx5_core_dev * dev,u32 * id)814 int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
815 {
816 return mlx5_cmd_fc_bulk_alloc(dev, 0, id);
817 }
818
mlx5_cmd_fc_free(struct mlx5_core_dev * dev,u32 id)819 int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id)
820 {
821 u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {};
822
823 MLX5_SET(dealloc_flow_counter_in, in, opcode,
824 MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
825 MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
826 return mlx5_cmd_exec_in(dev, dealloc_flow_counter, in);
827 }
828
mlx5_cmd_fc_query(struct mlx5_core_dev * dev,u32 id,u64 * packets,u64 * bytes)829 int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id,
830 u64 *packets, u64 *bytes)
831 {
832 u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
833 MLX5_ST_SZ_BYTES(traffic_counter)] = {};
834 u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {};
835 void *stats;
836 int err = 0;
837
838 MLX5_SET(query_flow_counter_in, in, opcode,
839 MLX5_CMD_OP_QUERY_FLOW_COUNTER);
840 MLX5_SET(query_flow_counter_in, in, op_mod, 0);
841 MLX5_SET(query_flow_counter_in, in, flow_counter_id, id);
842 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
843 if (err)
844 return err;
845
846 stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics);
847 *packets = MLX5_GET64(traffic_counter, stats, packets);
848 *bytes = MLX5_GET64(traffic_counter, stats, octets);
849 return 0;
850 }
851
mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len)852 int mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len)
853 {
854 return MLX5_ST_SZ_BYTES(query_flow_counter_out) +
855 MLX5_ST_SZ_BYTES(traffic_counter) * bulk_len;
856 }
857
mlx5_cmd_fc_bulk_query(struct mlx5_core_dev * dev,u32 base_id,int bulk_len,u32 * out)858 int mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, u32 base_id, int bulk_len,
859 u32 *out)
860 {
861 int outlen = mlx5_cmd_fc_get_bulk_query_out_len(bulk_len);
862 u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {};
863
864 MLX5_SET(query_flow_counter_in, in, opcode,
865 MLX5_CMD_OP_QUERY_FLOW_COUNTER);
866 MLX5_SET(query_flow_counter_in, in, flow_counter_id, base_id);
867 MLX5_SET(query_flow_counter_in, in, num_of_counters, bulk_len);
868 return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
869 }
870
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)871 static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
872 struct mlx5_pkt_reformat_params *params,
873 enum mlx5_flow_namespace_type namespace,
874 struct mlx5_pkt_reformat *pkt_reformat)
875 {
876 u32 out[MLX5_ST_SZ_DW(alloc_packet_reformat_context_out)] = {};
877 struct mlx5_core_dev *dev = ns->dev;
878 void *packet_reformat_context_in;
879 int max_encap_size;
880 void *reformat;
881 int inlen;
882 int err;
883 u32 *in;
884
885 if (namespace == MLX5_FLOW_NAMESPACE_FDB ||
886 namespace == MLX5_FLOW_NAMESPACE_FDB_BYPASS)
887 max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
888 else
889 max_encap_size = MLX5_CAP_FLOWTABLE(dev, max_encap_header_size);
890
891 if (params->size > max_encap_size) {
892 mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
893 params->size, max_encap_size);
894 return -EINVAL;
895 }
896
897 in = kzalloc(MLX5_ST_SZ_BYTES(alloc_packet_reformat_context_in) +
898 params->size, GFP_KERNEL);
899 if (!in)
900 return -ENOMEM;
901
902 packet_reformat_context_in = MLX5_ADDR_OF(alloc_packet_reformat_context_in,
903 in, packet_reformat_context);
904 reformat = MLX5_ADDR_OF(packet_reformat_context_in,
905 packet_reformat_context_in,
906 reformat_data);
907 inlen = reformat - (void *)in + params->size;
908
909 MLX5_SET(alloc_packet_reformat_context_in, in, opcode,
910 MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT);
911 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
912 reformat_data_size, params->size);
913 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
914 reformat_type, params->type);
915 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
916 reformat_param_0, params->param_0);
917 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
918 reformat_param_1, params->param_1);
919 if (params->data && params->size)
920 memcpy(reformat, params->data, params->size);
921
922 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
923
924 pkt_reformat->id = MLX5_GET(alloc_packet_reformat_context_out,
925 out, packet_reformat_id);
926 pkt_reformat->owner = MLX5_FLOW_RESOURCE_OWNER_FW;
927
928 kfree(in);
929 return err;
930 }
931
mlx5_cmd_packet_reformat_dealloc(struct mlx5_flow_root_namespace * ns,struct mlx5_pkt_reformat * pkt_reformat)932 static void mlx5_cmd_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns,
933 struct mlx5_pkt_reformat *pkt_reformat)
934 {
935 u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)] = {};
936 struct mlx5_core_dev *dev = ns->dev;
937
938 MLX5_SET(dealloc_packet_reformat_context_in, in, opcode,
939 MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT);
940 MLX5_SET(dealloc_packet_reformat_context_in, in, packet_reformat_id,
941 pkt_reformat->id);
942
943 mlx5_cmd_exec_in(dev, dealloc_packet_reformat_context, in);
944 }
945
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)946 static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
947 u8 namespace, u8 num_actions,
948 void *modify_actions,
949 struct mlx5_modify_hdr *modify_hdr)
950 {
951 u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)] = {};
952 int max_actions, actions_size, inlen, err;
953 struct mlx5_core_dev *dev = ns->dev;
954 void *actions_in;
955 u8 table_type;
956 u32 *in;
957
958 switch (namespace) {
959 case MLX5_FLOW_NAMESPACE_FDB:
960 case MLX5_FLOW_NAMESPACE_FDB_BYPASS:
961 max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions);
962 table_type = FS_FT_FDB;
963 break;
964 case MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC:
965 case MLX5_FLOW_NAMESPACE_KERNEL:
966 case MLX5_FLOW_NAMESPACE_BYPASS:
967 max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
968 table_type = FS_FT_NIC_RX;
969 break;
970 case MLX5_FLOW_NAMESPACE_EGRESS:
971 case MLX5_FLOW_NAMESPACE_EGRESS_IPSEC:
972 case MLX5_FLOW_NAMESPACE_EGRESS_MACSEC:
973 max_actions = MLX5_CAP_FLOWTABLE_NIC_TX(dev, max_modify_header_actions);
974 table_type = FS_FT_NIC_TX;
975 break;
976 case MLX5_FLOW_NAMESPACE_ESW_INGRESS:
977 max_actions = MLX5_CAP_ESW_INGRESS_ACL(dev, max_modify_header_actions);
978 table_type = FS_FT_ESW_INGRESS_ACL;
979 break;
980 case MLX5_FLOW_NAMESPACE_RDMA_TX_MACSEC:
981 case MLX5_FLOW_NAMESPACE_RDMA_TX:
982 max_actions = MLX5_CAP_FLOWTABLE_RDMA_TX(dev, max_modify_header_actions);
983 table_type = FS_FT_RDMA_TX;
984 break;
985 default:
986 return -EOPNOTSUPP;
987 }
988
989 if (num_actions > max_actions) {
990 mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n",
991 num_actions, max_actions);
992 return -EOPNOTSUPP;
993 }
994
995 actions_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) * num_actions;
996 inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
997
998 in = kzalloc(inlen, GFP_KERNEL);
999 if (!in)
1000 return -ENOMEM;
1001
1002 MLX5_SET(alloc_modify_header_context_in, in, opcode,
1003 MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT);
1004 MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type);
1005 MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions);
1006
1007 actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
1008 memcpy(actions_in, modify_actions, actions_size);
1009
1010 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
1011
1012 modify_hdr->id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
1013 modify_hdr->owner = MLX5_FLOW_RESOURCE_OWNER_FW;
1014 kfree(in);
1015 return err;
1016 }
1017
mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace * ns,struct mlx5_modify_hdr * modify_hdr)1018 static void mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace *ns,
1019 struct mlx5_modify_hdr *modify_hdr)
1020 {
1021 u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)] = {};
1022 struct mlx5_core_dev *dev = ns->dev;
1023
1024 MLX5_SET(dealloc_modify_header_context_in, in, opcode,
1025 MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
1026 MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
1027 modify_hdr->id);
1028
1029 mlx5_cmd_exec_in(dev, dealloc_modify_header_context, in);
1030 }
1031
mlx5_cmd_destroy_match_definer(struct mlx5_flow_root_namespace * ns,int definer_id)1032 static int mlx5_cmd_destroy_match_definer(struct mlx5_flow_root_namespace *ns,
1033 int definer_id)
1034 {
1035 u32 in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {};
1036 u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
1037
1038 MLX5_SET(general_obj_in_cmd_hdr, in, opcode,
1039 MLX5_CMD_OP_DESTROY_GENERAL_OBJECT);
1040 MLX5_SET(general_obj_in_cmd_hdr, in, obj_type,
1041 MLX5_OBJ_TYPE_MATCH_DEFINER);
1042 MLX5_SET(general_obj_in_cmd_hdr, in, obj_id, definer_id);
1043
1044 return mlx5_cmd_exec(ns->dev, in, sizeof(in), out, sizeof(out));
1045 }
1046
mlx5_cmd_create_match_definer(struct mlx5_flow_root_namespace * ns,u16 format_id,u32 * match_mask)1047 static int mlx5_cmd_create_match_definer(struct mlx5_flow_root_namespace *ns,
1048 u16 format_id, u32 *match_mask)
1049 {
1050 u32 out[MLX5_ST_SZ_DW(create_match_definer_out)] = {};
1051 u32 in[MLX5_ST_SZ_DW(create_match_definer_in)] = {};
1052 struct mlx5_core_dev *dev = ns->dev;
1053 void *ptr;
1054 int err;
1055
1056 MLX5_SET(create_match_definer_in, in, general_obj_in_cmd_hdr.opcode,
1057 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
1058 MLX5_SET(create_match_definer_in, in, general_obj_in_cmd_hdr.obj_type,
1059 MLX5_OBJ_TYPE_MATCH_DEFINER);
1060
1061 ptr = MLX5_ADDR_OF(create_match_definer_in, in, obj_context);
1062 MLX5_SET(match_definer, ptr, format_id, format_id);
1063
1064 ptr = MLX5_ADDR_OF(match_definer, ptr, match_mask);
1065 memcpy(ptr, match_mask, MLX5_FLD_SZ_BYTES(match_definer, match_mask));
1066
1067 err = mlx5_cmd_exec_inout(dev, create_match_definer, in, out);
1068 return err ? err : MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
1069 }
1070
mlx5_cmd_get_capabilities(struct mlx5_flow_root_namespace * ns,enum fs_flow_table_type ft_type)1071 static u32 mlx5_cmd_get_capabilities(struct mlx5_flow_root_namespace *ns,
1072 enum fs_flow_table_type ft_type)
1073 {
1074 return 0;
1075 }
1076
1077 static const struct mlx5_flow_cmds mlx5_flow_cmds = {
1078 .create_flow_table = mlx5_cmd_create_flow_table,
1079 .destroy_flow_table = mlx5_cmd_destroy_flow_table,
1080 .modify_flow_table = mlx5_cmd_modify_flow_table,
1081 .create_flow_group = mlx5_cmd_create_flow_group,
1082 .destroy_flow_group = mlx5_cmd_destroy_flow_group,
1083 .create_fte = mlx5_cmd_create_fte,
1084 .update_fte = mlx5_cmd_update_fte,
1085 .delete_fte = mlx5_cmd_delete_fte,
1086 .update_root_ft = mlx5_cmd_update_root_ft,
1087 .packet_reformat_alloc = mlx5_cmd_packet_reformat_alloc,
1088 .packet_reformat_dealloc = mlx5_cmd_packet_reformat_dealloc,
1089 .modify_header_alloc = mlx5_cmd_modify_header_alloc,
1090 .modify_header_dealloc = mlx5_cmd_modify_header_dealloc,
1091 .create_match_definer = mlx5_cmd_create_match_definer,
1092 .destroy_match_definer = mlx5_cmd_destroy_match_definer,
1093 .set_peer = mlx5_cmd_stub_set_peer,
1094 .create_ns = mlx5_cmd_stub_create_ns,
1095 .destroy_ns = mlx5_cmd_stub_destroy_ns,
1096 .get_capabilities = mlx5_cmd_get_capabilities,
1097 };
1098
1099 static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = {
1100 .create_flow_table = mlx5_cmd_stub_create_flow_table,
1101 .destroy_flow_table = mlx5_cmd_stub_destroy_flow_table,
1102 .modify_flow_table = mlx5_cmd_stub_modify_flow_table,
1103 .create_flow_group = mlx5_cmd_stub_create_flow_group,
1104 .destroy_flow_group = mlx5_cmd_stub_destroy_flow_group,
1105 .create_fte = mlx5_cmd_stub_create_fte,
1106 .update_fte = mlx5_cmd_stub_update_fte,
1107 .delete_fte = mlx5_cmd_stub_delete_fte,
1108 .update_root_ft = mlx5_cmd_stub_update_root_ft,
1109 .packet_reformat_alloc = mlx5_cmd_stub_packet_reformat_alloc,
1110 .packet_reformat_dealloc = mlx5_cmd_stub_packet_reformat_dealloc,
1111 .modify_header_alloc = mlx5_cmd_stub_modify_header_alloc,
1112 .modify_header_dealloc = mlx5_cmd_stub_modify_header_dealloc,
1113 .create_match_definer = mlx5_cmd_stub_create_match_definer,
1114 .destroy_match_definer = mlx5_cmd_stub_destroy_match_definer,
1115 .set_peer = mlx5_cmd_stub_set_peer,
1116 .create_ns = mlx5_cmd_stub_create_ns,
1117 .destroy_ns = mlx5_cmd_stub_destroy_ns,
1118 .get_capabilities = mlx5_cmd_stub_get_capabilities,
1119 };
1120
mlx5_fs_cmd_get_fw_cmds(void)1121 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void)
1122 {
1123 return &mlx5_flow_cmds;
1124 }
1125
mlx5_fs_cmd_get_stub_cmds(void)1126 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_stub_cmds(void)
1127 {
1128 return &mlx5_flow_cmd_stubs;
1129 }
1130
mlx5_fs_cmd_get_default(enum fs_flow_table_type type)1131 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type)
1132 {
1133 switch (type) {
1134 case FS_FT_NIC_RX:
1135 case FS_FT_ESW_EGRESS_ACL:
1136 case FS_FT_ESW_INGRESS_ACL:
1137 case FS_FT_FDB:
1138 case FS_FT_SNIFFER_RX:
1139 case FS_FT_SNIFFER_TX:
1140 case FS_FT_NIC_TX:
1141 case FS_FT_RDMA_RX:
1142 case FS_FT_RDMA_TX:
1143 case FS_FT_PORT_SEL:
1144 return mlx5_fs_cmd_get_fw_cmds();
1145 default:
1146 return mlx5_fs_cmd_get_stub_cmds();
1147 }
1148 }
1149