xref: /openbmc/linux/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c (revision 4da722ca19f30f7db250db808d1ab1703607a932)
1 /*
2  * drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
3  * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
4  * Copyright (c) 2017 Jiri Pirko <jiri@mellanox.com>
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. Neither the names of the copyright holders nor the names of its
15  *    contributors may be used to endorse or promote products derived from
16  *    this software without specific prior written permission.
17  *
18  * Alternatively, this software may be distributed under the terms of the
19  * GNU General Public License ("GPL") version 2 as published by the Free
20  * Software Foundation.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32  * POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #include <linux/kernel.h>
36 #include <linux/slab.h>
37 #include <linux/errno.h>
38 #include <linux/bitops.h>
39 #include <linux/list.h>
40 #include <linux/rhashtable.h>
41 #include <linux/netdevice.h>
42 #include <linux/parman.h>
43 
44 #include "reg.h"
45 #include "core.h"
46 #include "resources.h"
47 #include "spectrum.h"
48 #include "core_acl_flex_keys.h"
49 
50 struct mlxsw_sp_acl_tcam {
51 	unsigned long *used_regions; /* bit array */
52 	unsigned int max_regions;
53 	unsigned long *used_groups;  /* bit array */
54 	unsigned int max_groups;
55 	unsigned int max_group_size;
56 };
57 
58 static int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv)
59 {
60 	struct mlxsw_sp_acl_tcam *tcam = priv;
61 	u64 max_tcam_regions;
62 	u64 max_regions;
63 	u64 max_groups;
64 	size_t alloc_size;
65 	int err;
66 
67 	max_tcam_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core,
68 					      ACL_MAX_TCAM_REGIONS);
69 	max_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_REGIONS);
70 
71 	/* Use 1:1 mapping between ACL region and TCAM region */
72 	if (max_tcam_regions < max_regions)
73 		max_regions = max_tcam_regions;
74 
75 	alloc_size = sizeof(tcam->used_regions[0]) * BITS_TO_LONGS(max_regions);
76 	tcam->used_regions = kzalloc(alloc_size, GFP_KERNEL);
77 	if (!tcam->used_regions)
78 		return -ENOMEM;
79 	tcam->max_regions = max_regions;
80 
81 	max_groups = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_GROUPS);
82 	alloc_size = sizeof(tcam->used_groups[0]) * BITS_TO_LONGS(max_groups);
83 	tcam->used_groups = kzalloc(alloc_size, GFP_KERNEL);
84 	if (!tcam->used_groups) {
85 		err = -ENOMEM;
86 		goto err_alloc_used_groups;
87 	}
88 	tcam->max_groups = max_groups;
89 	tcam->max_group_size = MLXSW_CORE_RES_GET(mlxsw_sp->core,
90 						 ACL_MAX_GROUP_SIZE);
91 	return 0;
92 
93 err_alloc_used_groups:
94 	kfree(tcam->used_regions);
95 	return err;
96 }
97 
98 static void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp, void *priv)
99 {
100 	struct mlxsw_sp_acl_tcam *tcam = priv;
101 
102 	kfree(tcam->used_groups);
103 	kfree(tcam->used_regions);
104 }
105 
106 static int mlxsw_sp_acl_tcam_region_id_get(struct mlxsw_sp_acl_tcam *tcam,
107 					   u16 *p_id)
108 {
109 	u16 id;
110 
111 	id = find_first_zero_bit(tcam->used_regions, tcam->max_regions);
112 	if (id < tcam->max_regions) {
113 		__set_bit(id, tcam->used_regions);
114 		*p_id = id;
115 		return 0;
116 	}
117 	return -ENOBUFS;
118 }
119 
120 static void mlxsw_sp_acl_tcam_region_id_put(struct mlxsw_sp_acl_tcam *tcam,
121 					    u16 id)
122 {
123 	__clear_bit(id, tcam->used_regions);
124 }
125 
126 static int mlxsw_sp_acl_tcam_group_id_get(struct mlxsw_sp_acl_tcam *tcam,
127 					  u16 *p_id)
128 {
129 	u16 id;
130 
131 	id = find_first_zero_bit(tcam->used_groups, tcam->max_groups);
132 	if (id < tcam->max_groups) {
133 		__set_bit(id, tcam->used_groups);
134 		*p_id = id;
135 		return 0;
136 	}
137 	return -ENOBUFS;
138 }
139 
140 static void mlxsw_sp_acl_tcam_group_id_put(struct mlxsw_sp_acl_tcam *tcam,
141 					   u16 id)
142 {
143 	__clear_bit(id, tcam->used_groups);
144 }
145 
146 struct mlxsw_sp_acl_tcam_pattern {
147 	const enum mlxsw_afk_element *elements;
148 	unsigned int elements_count;
149 };
150 
151 struct mlxsw_sp_acl_tcam_group {
152 	struct mlxsw_sp_acl_tcam *tcam;
153 	u16 id;
154 	struct list_head region_list;
155 	unsigned int region_count;
156 	struct rhashtable chunk_ht;
157 	struct {
158 		u16 local_port;
159 		bool ingress;
160 	} bound;
161 	struct mlxsw_sp_acl_tcam_group_ops *ops;
162 	const struct mlxsw_sp_acl_tcam_pattern *patterns;
163 	unsigned int patterns_count;
164 };
165 
166 struct mlxsw_sp_acl_tcam_region {
167 	struct list_head list; /* Member of a TCAM group */
168 	struct list_head chunk_list; /* List of chunks under this region */
169 	struct parman *parman;
170 	struct mlxsw_sp *mlxsw_sp;
171 	struct mlxsw_sp_acl_tcam_group *group;
172 	u16 id; /* ACL ID and region ID - they are same */
173 	char tcam_region_info[MLXSW_REG_PXXX_TCAM_REGION_INFO_LEN];
174 	struct mlxsw_afk_key_info *key_info;
175 	struct {
176 		struct parman_prio parman_prio;
177 		struct parman_item parman_item;
178 		struct mlxsw_sp_acl_rule_info *rulei;
179 	} catchall;
180 };
181 
182 struct mlxsw_sp_acl_tcam_chunk {
183 	struct list_head list; /* Member of a TCAM region */
184 	struct rhash_head ht_node; /* Member of a chunk HT */
185 	unsigned int priority; /* Priority within the region and group */
186 	struct parman_prio parman_prio;
187 	struct mlxsw_sp_acl_tcam_group *group;
188 	struct mlxsw_sp_acl_tcam_region *region;
189 	unsigned int ref_count;
190 };
191 
192 struct mlxsw_sp_acl_tcam_entry {
193 	struct parman_item parman_item;
194 	struct mlxsw_sp_acl_tcam_chunk *chunk;
195 };
196 
197 static const struct rhashtable_params mlxsw_sp_acl_tcam_chunk_ht_params = {
198 	.key_len = sizeof(unsigned int),
199 	.key_offset = offsetof(struct mlxsw_sp_acl_tcam_chunk, priority),
200 	.head_offset = offsetof(struct mlxsw_sp_acl_tcam_chunk, ht_node),
201 	.automatic_shrinking = true,
202 };
203 
204 static int mlxsw_sp_acl_tcam_group_update(struct mlxsw_sp *mlxsw_sp,
205 					  struct mlxsw_sp_acl_tcam_group *group)
206 {
207 	struct mlxsw_sp_acl_tcam_region *region;
208 	char pagt_pl[MLXSW_REG_PAGT_LEN];
209 	int acl_index = 0;
210 
211 	mlxsw_reg_pagt_pack(pagt_pl, group->id);
212 	list_for_each_entry(region, &group->region_list, list)
213 		mlxsw_reg_pagt_acl_id_pack(pagt_pl, acl_index++, region->id);
214 	mlxsw_reg_pagt_size_set(pagt_pl, acl_index);
215 	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pagt), pagt_pl);
216 }
217 
218 static int
219 mlxsw_sp_acl_tcam_group_add(struct mlxsw_sp *mlxsw_sp,
220 			    struct mlxsw_sp_acl_tcam *tcam,
221 			    struct mlxsw_sp_acl_tcam_group *group,
222 			    const struct mlxsw_sp_acl_tcam_pattern *patterns,
223 			    unsigned int patterns_count)
224 {
225 	int err;
226 
227 	group->tcam = tcam;
228 	group->patterns = patterns;
229 	group->patterns_count = patterns_count;
230 	INIT_LIST_HEAD(&group->region_list);
231 	err = mlxsw_sp_acl_tcam_group_id_get(tcam, &group->id);
232 	if (err)
233 		return err;
234 
235 	err = mlxsw_sp_acl_tcam_group_update(mlxsw_sp, group);
236 	if (err)
237 		goto err_group_update;
238 
239 	err = rhashtable_init(&group->chunk_ht,
240 			      &mlxsw_sp_acl_tcam_chunk_ht_params);
241 	if (err)
242 		goto err_rhashtable_init;
243 
244 	return 0;
245 
246 err_rhashtable_init:
247 err_group_update:
248 	mlxsw_sp_acl_tcam_group_id_put(tcam, group->id);
249 	return err;
250 }
251 
252 static void mlxsw_sp_acl_tcam_group_del(struct mlxsw_sp *mlxsw_sp,
253 					struct mlxsw_sp_acl_tcam_group *group)
254 {
255 	struct mlxsw_sp_acl_tcam *tcam = group->tcam;
256 
257 	rhashtable_destroy(&group->chunk_ht);
258 	mlxsw_sp_acl_tcam_group_id_put(tcam, group->id);
259 	WARN_ON(!list_empty(&group->region_list));
260 }
261 
262 static int
263 mlxsw_sp_acl_tcam_group_bind(struct mlxsw_sp *mlxsw_sp,
264 			     struct mlxsw_sp_acl_tcam_group *group,
265 			     struct net_device *dev, bool ingress)
266 {
267 	struct mlxsw_sp_port *mlxsw_sp_port;
268 	char ppbt_pl[MLXSW_REG_PPBT_LEN];
269 
270 	if (!mlxsw_sp_port_dev_check(dev))
271 		return -EINVAL;
272 
273 	mlxsw_sp_port = netdev_priv(dev);
274 	group->bound.local_port = mlxsw_sp_port->local_port;
275 	group->bound.ingress = ingress;
276 	mlxsw_reg_ppbt_pack(ppbt_pl,
277 			    group->bound.ingress ? MLXSW_REG_PXBT_E_IACL :
278 						   MLXSW_REG_PXBT_E_EACL,
279 			    MLXSW_REG_PXBT_OP_BIND, group->bound.local_port,
280 			    group->id);
281 	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppbt), ppbt_pl);
282 }
283 
284 static void
285 mlxsw_sp_acl_tcam_group_unbind(struct mlxsw_sp *mlxsw_sp,
286 			       struct mlxsw_sp_acl_tcam_group *group)
287 {
288 	char ppbt_pl[MLXSW_REG_PPBT_LEN];
289 
290 	mlxsw_reg_ppbt_pack(ppbt_pl,
291 			    group->bound.ingress ? MLXSW_REG_PXBT_E_IACL :
292 						   MLXSW_REG_PXBT_E_EACL,
293 			    MLXSW_REG_PXBT_OP_UNBIND, group->bound.local_port,
294 			    group->id);
295 	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppbt), ppbt_pl);
296 }
297 
298 static unsigned int
299 mlxsw_sp_acl_tcam_region_prio(struct mlxsw_sp_acl_tcam_region *region)
300 {
301 	struct mlxsw_sp_acl_tcam_chunk *chunk;
302 
303 	if (list_empty(&region->chunk_list))
304 		return 0;
305 	/* As a priority of a region, return priority of the first chunk */
306 	chunk = list_first_entry(&region->chunk_list, typeof(*chunk), list);
307 	return chunk->priority;
308 }
309 
310 static unsigned int
311 mlxsw_sp_acl_tcam_region_max_prio(struct mlxsw_sp_acl_tcam_region *region)
312 {
313 	struct mlxsw_sp_acl_tcam_chunk *chunk;
314 
315 	if (list_empty(&region->chunk_list))
316 		return 0;
317 	chunk = list_last_entry(&region->chunk_list, typeof(*chunk), list);
318 	return chunk->priority;
319 }
320 
321 static void
322 mlxsw_sp_acl_tcam_group_list_add(struct mlxsw_sp_acl_tcam_group *group,
323 				 struct mlxsw_sp_acl_tcam_region *region)
324 {
325 	struct mlxsw_sp_acl_tcam_region *region2;
326 	struct list_head *pos;
327 
328 	/* Position the region inside the list according to priority */
329 	list_for_each(pos, &group->region_list) {
330 		region2 = list_entry(pos, typeof(*region2), list);
331 		if (mlxsw_sp_acl_tcam_region_prio(region2) >
332 		    mlxsw_sp_acl_tcam_region_prio(region))
333 			break;
334 	}
335 	list_add_tail(&region->list, pos);
336 	group->region_count++;
337 }
338 
339 static void
340 mlxsw_sp_acl_tcam_group_list_del(struct mlxsw_sp_acl_tcam_group *group,
341 				 struct mlxsw_sp_acl_tcam_region *region)
342 {
343 	group->region_count--;
344 	list_del(&region->list);
345 }
346 
347 static int
348 mlxsw_sp_acl_tcam_group_region_attach(struct mlxsw_sp *mlxsw_sp,
349 				      struct mlxsw_sp_acl_tcam_group *group,
350 				      struct mlxsw_sp_acl_tcam_region *region)
351 {
352 	int err;
353 
354 	if (group->region_count == group->tcam->max_group_size)
355 		return -ENOBUFS;
356 
357 	mlxsw_sp_acl_tcam_group_list_add(group, region);
358 
359 	err = mlxsw_sp_acl_tcam_group_update(mlxsw_sp, group);
360 	if (err)
361 		goto err_group_update;
362 	region->group = group;
363 
364 	return 0;
365 
366 err_group_update:
367 	mlxsw_sp_acl_tcam_group_list_del(group, region);
368 	mlxsw_sp_acl_tcam_group_update(mlxsw_sp, group);
369 	return err;
370 }
371 
372 static void
373 mlxsw_sp_acl_tcam_group_region_detach(struct mlxsw_sp *mlxsw_sp,
374 				      struct mlxsw_sp_acl_tcam_region *region)
375 {
376 	struct mlxsw_sp_acl_tcam_group *group = region->group;
377 
378 	mlxsw_sp_acl_tcam_group_list_del(group, region);
379 	mlxsw_sp_acl_tcam_group_update(mlxsw_sp, group);
380 }
381 
382 static struct mlxsw_sp_acl_tcam_region *
383 mlxsw_sp_acl_tcam_group_region_find(struct mlxsw_sp_acl_tcam_group *group,
384 				    unsigned int priority,
385 				    struct mlxsw_afk_element_usage *elusage,
386 				    bool *p_need_split)
387 {
388 	struct mlxsw_sp_acl_tcam_region *region, *region2;
389 	struct list_head *pos;
390 	bool issubset;
391 
392 	list_for_each(pos, &group->region_list) {
393 		region = list_entry(pos, typeof(*region), list);
394 
395 		/* First, check if the requested priority does not rather belong
396 		 * under some of the next regions.
397 		 */
398 		if (pos->next != &group->region_list) { /* not last */
399 			region2 = list_entry(pos->next, typeof(*region2), list);
400 			if (priority >= mlxsw_sp_acl_tcam_region_prio(region2))
401 				continue;
402 		}
403 
404 		issubset = mlxsw_afk_key_info_subset(region->key_info, elusage);
405 
406 		/* If requested element usage would not fit and the priority
407 		 * is lower than the currently inspected region we cannot
408 		 * use this region, so return NULL to indicate new region has
409 		 * to be created.
410 		 */
411 		if (!issubset &&
412 		    priority < mlxsw_sp_acl_tcam_region_prio(region))
413 			return NULL;
414 
415 		/* If requested element usage would not fit and the priority
416 		 * is higher than the currently inspected region we cannot
417 		 * use this region. There is still some hope that the next
418 		 * region would be the fit. So let it be processed and
419 		 * eventually break at the check right above this.
420 		 */
421 		if (!issubset &&
422 		    priority > mlxsw_sp_acl_tcam_region_max_prio(region))
423 			continue;
424 
425 		/* Indicate if the region needs to be split in order to add
426 		 * the requested priority. Split is needed when requested
427 		 * element usage won't fit into the found region.
428 		 */
429 		*p_need_split = !issubset;
430 		return region;
431 	}
432 	return NULL; /* New region has to be created. */
433 }
434 
435 static void
436 mlxsw_sp_acl_tcam_group_use_patterns(struct mlxsw_sp_acl_tcam_group *group,
437 				     struct mlxsw_afk_element_usage *elusage,
438 				     struct mlxsw_afk_element_usage *out)
439 {
440 	const struct mlxsw_sp_acl_tcam_pattern *pattern;
441 	int i;
442 
443 	for (i = 0; i < group->patterns_count; i++) {
444 		pattern = &group->patterns[i];
445 		mlxsw_afk_element_usage_fill(out, pattern->elements,
446 					     pattern->elements_count);
447 		if (mlxsw_afk_element_usage_subset(elusage, out))
448 			return;
449 	}
450 	memcpy(out, elusage, sizeof(*out));
451 }
452 
453 #define MLXSW_SP_ACL_TCAM_REGION_BASE_COUNT 16
454 #define MLXSW_SP_ACL_TCAM_REGION_RESIZE_STEP 16
455 
456 static int
457 mlxsw_sp_acl_tcam_region_alloc(struct mlxsw_sp *mlxsw_sp,
458 			       struct mlxsw_sp_acl_tcam_region *region)
459 {
460 	struct mlxsw_afk_key_info *key_info = region->key_info;
461 	char ptar_pl[MLXSW_REG_PTAR_LEN];
462 	unsigned int encodings_count;
463 	int i;
464 	int err;
465 
466 	mlxsw_reg_ptar_pack(ptar_pl, MLXSW_REG_PTAR_OP_ALLOC,
467 			    MLXSW_SP_ACL_TCAM_REGION_BASE_COUNT,
468 			    region->id, region->tcam_region_info);
469 	encodings_count = mlxsw_afk_key_info_blocks_count_get(key_info);
470 	for (i = 0; i < encodings_count; i++) {
471 		u16 encoding;
472 
473 		encoding = mlxsw_afk_key_info_block_encoding_get(key_info, i);
474 		mlxsw_reg_ptar_key_id_pack(ptar_pl, i, encoding);
475 	}
476 	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptar), ptar_pl);
477 	if (err)
478 		return err;
479 	mlxsw_reg_ptar_unpack(ptar_pl, region->tcam_region_info);
480 	return 0;
481 }
482 
483 static void
484 mlxsw_sp_acl_tcam_region_free(struct mlxsw_sp *mlxsw_sp,
485 			      struct mlxsw_sp_acl_tcam_region *region)
486 {
487 	char ptar_pl[MLXSW_REG_PTAR_LEN];
488 
489 	mlxsw_reg_ptar_pack(ptar_pl, MLXSW_REG_PTAR_OP_FREE, 0, region->id,
490 			    region->tcam_region_info);
491 	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptar), ptar_pl);
492 }
493 
494 static int
495 mlxsw_sp_acl_tcam_region_resize(struct mlxsw_sp *mlxsw_sp,
496 				struct mlxsw_sp_acl_tcam_region *region,
497 				u16 new_size)
498 {
499 	char ptar_pl[MLXSW_REG_PTAR_LEN];
500 
501 	mlxsw_reg_ptar_pack(ptar_pl, MLXSW_REG_PTAR_OP_RESIZE,
502 			    new_size, region->id, region->tcam_region_info);
503 	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptar), ptar_pl);
504 }
505 
506 static int
507 mlxsw_sp_acl_tcam_region_enable(struct mlxsw_sp *mlxsw_sp,
508 				struct mlxsw_sp_acl_tcam_region *region)
509 {
510 	char pacl_pl[MLXSW_REG_PACL_LEN];
511 
512 	mlxsw_reg_pacl_pack(pacl_pl, region->id, true,
513 			    region->tcam_region_info);
514 	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pacl), pacl_pl);
515 }
516 
517 static void
518 mlxsw_sp_acl_tcam_region_disable(struct mlxsw_sp *mlxsw_sp,
519 				 struct mlxsw_sp_acl_tcam_region *region)
520 {
521 	char pacl_pl[MLXSW_REG_PACL_LEN];
522 
523 	mlxsw_reg_pacl_pack(pacl_pl, region->id, false,
524 			    region->tcam_region_info);
525 	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pacl), pacl_pl);
526 }
527 
528 static int
529 mlxsw_sp_acl_tcam_region_entry_insert(struct mlxsw_sp *mlxsw_sp,
530 				      struct mlxsw_sp_acl_tcam_region *region,
531 				      unsigned int offset,
532 				      struct mlxsw_sp_acl_rule_info *rulei)
533 {
534 	char ptce2_pl[MLXSW_REG_PTCE2_LEN];
535 	char *act_set;
536 	char *mask;
537 	char *key;
538 
539 	mlxsw_reg_ptce2_pack(ptce2_pl, true, MLXSW_REG_PTCE2_OP_WRITE_WRITE,
540 			     region->tcam_region_info, offset);
541 	key = mlxsw_reg_ptce2_flex_key_blocks_data(ptce2_pl);
542 	mask = mlxsw_reg_ptce2_mask_data(ptce2_pl);
543 	mlxsw_afk_encode(region->key_info, &rulei->values, key, mask);
544 
545 	/* Only the first action set belongs here, the rest is in KVD */
546 	act_set = mlxsw_afa_block_first_set(rulei->act_block);
547 	mlxsw_reg_ptce2_flex_action_set_memcpy_to(ptce2_pl, act_set);
548 
549 	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
550 }
551 
552 static void
553 mlxsw_sp_acl_tcam_region_entry_remove(struct mlxsw_sp *mlxsw_sp,
554 				      struct mlxsw_sp_acl_tcam_region *region,
555 				      unsigned int offset)
556 {
557 	char ptce2_pl[MLXSW_REG_PTCE2_LEN];
558 
559 	mlxsw_reg_ptce2_pack(ptce2_pl, false, MLXSW_REG_PTCE2_OP_WRITE_WRITE,
560 			     region->tcam_region_info, offset);
561 	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
562 }
563 
564 static int
565 mlxsw_sp_acl_tcam_region_entry_activity_get(struct mlxsw_sp *mlxsw_sp,
566 					    struct mlxsw_sp_acl_tcam_region *region,
567 					    unsigned int offset,
568 					    bool *activity)
569 {
570 	char ptce2_pl[MLXSW_REG_PTCE2_LEN];
571 	int err;
572 
573 	mlxsw_reg_ptce2_pack(ptce2_pl, true, MLXSW_REG_PTCE2_OP_QUERY_CLEAR_ON_READ,
574 			     region->tcam_region_info, offset);
575 	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
576 	if (err)
577 		return err;
578 	*activity = mlxsw_reg_ptce2_a_get(ptce2_pl);
579 	return 0;
580 }
581 
582 #define MLXSW_SP_ACL_TCAM_CATCHALL_PRIO (~0U)
583 
584 static int
585 mlxsw_sp_acl_tcam_region_catchall_add(struct mlxsw_sp *mlxsw_sp,
586 				      struct mlxsw_sp_acl_tcam_region *region)
587 {
588 	struct parman_prio *parman_prio = &region->catchall.parman_prio;
589 	struct parman_item *parman_item = &region->catchall.parman_item;
590 	struct mlxsw_sp_acl_rule_info *rulei;
591 	int err;
592 
593 	parman_prio_init(region->parman, parman_prio,
594 			 MLXSW_SP_ACL_TCAM_CATCHALL_PRIO);
595 	err = parman_item_add(region->parman, parman_prio, parman_item);
596 	if (err)
597 		goto err_parman_item_add;
598 
599 	rulei = mlxsw_sp_acl_rulei_create(mlxsw_sp->acl);
600 	if (IS_ERR(rulei)) {
601 		err = PTR_ERR(rulei);
602 		goto err_rulei_create;
603 	}
604 
605 	mlxsw_sp_acl_rulei_act_continue(rulei);
606 	err = mlxsw_sp_acl_rulei_commit(rulei);
607 	if (err)
608 		goto err_rulei_commit;
609 
610 	err = mlxsw_sp_acl_tcam_region_entry_insert(mlxsw_sp, region,
611 						    parman_item->index, rulei);
612 	region->catchall.rulei = rulei;
613 	if (err)
614 		goto err_rule_insert;
615 
616 	return 0;
617 
618 err_rule_insert:
619 err_rulei_commit:
620 	mlxsw_sp_acl_rulei_destroy(rulei);
621 err_rulei_create:
622 	parman_item_remove(region->parman, parman_prio, parman_item);
623 err_parman_item_add:
624 	parman_prio_fini(parman_prio);
625 	return err;
626 }
627 
628 static void
629 mlxsw_sp_acl_tcam_region_catchall_del(struct mlxsw_sp *mlxsw_sp,
630 				      struct mlxsw_sp_acl_tcam_region *region)
631 {
632 	struct parman_prio *parman_prio = &region->catchall.parman_prio;
633 	struct parman_item *parman_item = &region->catchall.parman_item;
634 	struct mlxsw_sp_acl_rule_info *rulei = region->catchall.rulei;
635 
636 	mlxsw_sp_acl_tcam_region_entry_remove(mlxsw_sp, region,
637 					      parman_item->index);
638 	mlxsw_sp_acl_rulei_destroy(rulei);
639 	parman_item_remove(region->parman, parman_prio, parman_item);
640 	parman_prio_fini(parman_prio);
641 }
642 
643 static void
644 mlxsw_sp_acl_tcam_region_move(struct mlxsw_sp *mlxsw_sp,
645 			      struct mlxsw_sp_acl_tcam_region *region,
646 			      u16 src_offset, u16 dst_offset, u16 size)
647 {
648 	char prcr_pl[MLXSW_REG_PRCR_LEN];
649 
650 	mlxsw_reg_prcr_pack(prcr_pl, MLXSW_REG_PRCR_OP_MOVE,
651 			    region->tcam_region_info, src_offset,
652 			    region->tcam_region_info, dst_offset, size);
653 	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(prcr), prcr_pl);
654 }
655 
656 static int mlxsw_sp_acl_tcam_region_parman_resize(void *priv,
657 						  unsigned long new_count)
658 {
659 	struct mlxsw_sp_acl_tcam_region *region = priv;
660 	struct mlxsw_sp *mlxsw_sp = region->mlxsw_sp;
661 	u64 max_tcam_rules;
662 
663 	max_tcam_rules = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_TCAM_RULES);
664 	if (new_count > max_tcam_rules)
665 		return -EINVAL;
666 	return mlxsw_sp_acl_tcam_region_resize(mlxsw_sp, region, new_count);
667 }
668 
669 static void mlxsw_sp_acl_tcam_region_parman_move(void *priv,
670 						 unsigned long from_index,
671 						 unsigned long to_index,
672 						 unsigned long count)
673 {
674 	struct mlxsw_sp_acl_tcam_region *region = priv;
675 	struct mlxsw_sp *mlxsw_sp = region->mlxsw_sp;
676 
677 	mlxsw_sp_acl_tcam_region_move(mlxsw_sp, region,
678 				      from_index, to_index, count);
679 }
680 
681 static const struct parman_ops mlxsw_sp_acl_tcam_region_parman_ops = {
682 	.base_count	= MLXSW_SP_ACL_TCAM_REGION_BASE_COUNT,
683 	.resize_step	= MLXSW_SP_ACL_TCAM_REGION_RESIZE_STEP,
684 	.resize		= mlxsw_sp_acl_tcam_region_parman_resize,
685 	.move		= mlxsw_sp_acl_tcam_region_parman_move,
686 	.algo		= PARMAN_ALGO_TYPE_LSORT,
687 };
688 
689 static struct mlxsw_sp_acl_tcam_region *
690 mlxsw_sp_acl_tcam_region_create(struct mlxsw_sp *mlxsw_sp,
691 				struct mlxsw_sp_acl_tcam *tcam,
692 				struct mlxsw_afk_element_usage *elusage)
693 {
694 	struct mlxsw_afk *afk = mlxsw_sp_acl_afk(mlxsw_sp->acl);
695 	struct mlxsw_sp_acl_tcam_region *region;
696 	int err;
697 
698 	region = kzalloc(sizeof(*region), GFP_KERNEL);
699 	if (!region)
700 		return ERR_PTR(-ENOMEM);
701 	INIT_LIST_HEAD(&region->chunk_list);
702 	region->mlxsw_sp = mlxsw_sp;
703 
704 	region->parman = parman_create(&mlxsw_sp_acl_tcam_region_parman_ops,
705 				       region);
706 	if (!region->parman) {
707 		err = -ENOMEM;
708 		goto err_parman_create;
709 	}
710 
711 	region->key_info = mlxsw_afk_key_info_get(afk, elusage);
712 	if (IS_ERR(region->key_info)) {
713 		err = PTR_ERR(region->key_info);
714 		goto err_key_info_get;
715 	}
716 
717 	err = mlxsw_sp_acl_tcam_region_id_get(tcam, &region->id);
718 	if (err)
719 		goto err_region_id_get;
720 
721 	err = mlxsw_sp_acl_tcam_region_alloc(mlxsw_sp, region);
722 	if (err)
723 		goto err_tcam_region_alloc;
724 
725 	err = mlxsw_sp_acl_tcam_region_enable(mlxsw_sp, region);
726 	if (err)
727 		goto err_tcam_region_enable;
728 
729 	err = mlxsw_sp_acl_tcam_region_catchall_add(mlxsw_sp, region);
730 	if (err)
731 		goto err_tcam_region_catchall_add;
732 
733 	return region;
734 
735 err_tcam_region_catchall_add:
736 	mlxsw_sp_acl_tcam_region_disable(mlxsw_sp, region);
737 err_tcam_region_enable:
738 	mlxsw_sp_acl_tcam_region_free(mlxsw_sp, region);
739 err_tcam_region_alloc:
740 	mlxsw_sp_acl_tcam_region_id_put(tcam, region->id);
741 err_region_id_get:
742 	mlxsw_afk_key_info_put(region->key_info);
743 err_key_info_get:
744 	parman_destroy(region->parman);
745 err_parman_create:
746 	kfree(region);
747 	return ERR_PTR(err);
748 }
749 
750 static void
751 mlxsw_sp_acl_tcam_region_destroy(struct mlxsw_sp *mlxsw_sp,
752 				 struct mlxsw_sp_acl_tcam_region *region)
753 {
754 	mlxsw_sp_acl_tcam_region_catchall_del(mlxsw_sp, region);
755 	mlxsw_sp_acl_tcam_region_disable(mlxsw_sp, region);
756 	mlxsw_sp_acl_tcam_region_free(mlxsw_sp, region);
757 	mlxsw_sp_acl_tcam_region_id_put(region->group->tcam, region->id);
758 	mlxsw_afk_key_info_put(region->key_info);
759 	parman_destroy(region->parman);
760 	kfree(region);
761 }
762 
763 static int
764 mlxsw_sp_acl_tcam_chunk_assoc(struct mlxsw_sp *mlxsw_sp,
765 			      struct mlxsw_sp_acl_tcam_group *group,
766 			      unsigned int priority,
767 			      struct mlxsw_afk_element_usage *elusage,
768 			      struct mlxsw_sp_acl_tcam_chunk *chunk)
769 {
770 	struct mlxsw_sp_acl_tcam_region *region;
771 	bool region_created = false;
772 	bool need_split;
773 	int err;
774 
775 	region = mlxsw_sp_acl_tcam_group_region_find(group, priority, elusage,
776 						     &need_split);
777 	if (region && need_split) {
778 		/* According to priority, the chunk should belong to an
779 		 * existing region. However, this chunk needs elements
780 		 * that region does not contain. We need to split the existing
781 		 * region into two and create a new region for this chunk
782 		 * in between. This is not supported now.
783 		 */
784 		return -EOPNOTSUPP;
785 	}
786 	if (!region) {
787 		struct mlxsw_afk_element_usage region_elusage;
788 
789 		mlxsw_sp_acl_tcam_group_use_patterns(group, elusage,
790 						     &region_elusage);
791 		region = mlxsw_sp_acl_tcam_region_create(mlxsw_sp, group->tcam,
792 							 &region_elusage);
793 		if (IS_ERR(region))
794 			return PTR_ERR(region);
795 		region_created = true;
796 	}
797 
798 	chunk->region = region;
799 	list_add_tail(&chunk->list, &region->chunk_list);
800 
801 	if (!region_created)
802 		return 0;
803 
804 	err = mlxsw_sp_acl_tcam_group_region_attach(mlxsw_sp, group, region);
805 	if (err)
806 		goto err_group_region_attach;
807 
808 	return 0;
809 
810 err_group_region_attach:
811 	mlxsw_sp_acl_tcam_region_destroy(mlxsw_sp, region);
812 	return err;
813 }
814 
815 static void
816 mlxsw_sp_acl_tcam_chunk_deassoc(struct mlxsw_sp *mlxsw_sp,
817 				struct mlxsw_sp_acl_tcam_chunk *chunk)
818 {
819 	struct mlxsw_sp_acl_tcam_region *region = chunk->region;
820 
821 	list_del(&chunk->list);
822 	if (list_empty(&region->chunk_list)) {
823 		mlxsw_sp_acl_tcam_group_region_detach(mlxsw_sp, region);
824 		mlxsw_sp_acl_tcam_region_destroy(mlxsw_sp, region);
825 	}
826 }
827 
828 static struct mlxsw_sp_acl_tcam_chunk *
829 mlxsw_sp_acl_tcam_chunk_create(struct mlxsw_sp *mlxsw_sp,
830 			       struct mlxsw_sp_acl_tcam_group *group,
831 			       unsigned int priority,
832 			       struct mlxsw_afk_element_usage *elusage)
833 {
834 	struct mlxsw_sp_acl_tcam_chunk *chunk;
835 	int err;
836 
837 	if (priority == MLXSW_SP_ACL_TCAM_CATCHALL_PRIO)
838 		return ERR_PTR(-EINVAL);
839 
840 	chunk = kzalloc(sizeof(*chunk), GFP_KERNEL);
841 	if (!chunk)
842 		return ERR_PTR(-ENOMEM);
843 	chunk->priority = priority;
844 	chunk->group = group;
845 	chunk->ref_count = 1;
846 
847 	err = mlxsw_sp_acl_tcam_chunk_assoc(mlxsw_sp, group, priority,
848 					    elusage, chunk);
849 	if (err)
850 		goto err_chunk_assoc;
851 
852 	parman_prio_init(chunk->region->parman, &chunk->parman_prio, priority);
853 
854 	err = rhashtable_insert_fast(&group->chunk_ht, &chunk->ht_node,
855 				     mlxsw_sp_acl_tcam_chunk_ht_params);
856 	if (err)
857 		goto err_rhashtable_insert;
858 
859 	return chunk;
860 
861 err_rhashtable_insert:
862 	parman_prio_fini(&chunk->parman_prio);
863 	mlxsw_sp_acl_tcam_chunk_deassoc(mlxsw_sp, chunk);
864 err_chunk_assoc:
865 	kfree(chunk);
866 	return ERR_PTR(err);
867 }
868 
869 static void
870 mlxsw_sp_acl_tcam_chunk_destroy(struct mlxsw_sp *mlxsw_sp,
871 				struct mlxsw_sp_acl_tcam_chunk *chunk)
872 {
873 	struct mlxsw_sp_acl_tcam_group *group = chunk->group;
874 
875 	rhashtable_remove_fast(&group->chunk_ht, &chunk->ht_node,
876 			       mlxsw_sp_acl_tcam_chunk_ht_params);
877 	parman_prio_fini(&chunk->parman_prio);
878 	mlxsw_sp_acl_tcam_chunk_deassoc(mlxsw_sp, chunk);
879 	kfree(chunk);
880 }
881 
882 static struct mlxsw_sp_acl_tcam_chunk *
883 mlxsw_sp_acl_tcam_chunk_get(struct mlxsw_sp *mlxsw_sp,
884 			    struct mlxsw_sp_acl_tcam_group *group,
885 			    unsigned int priority,
886 			    struct mlxsw_afk_element_usage *elusage)
887 {
888 	struct mlxsw_sp_acl_tcam_chunk *chunk;
889 
890 	chunk = rhashtable_lookup_fast(&group->chunk_ht, &priority,
891 				       mlxsw_sp_acl_tcam_chunk_ht_params);
892 	if (chunk) {
893 		if (WARN_ON(!mlxsw_afk_key_info_subset(chunk->region->key_info,
894 						       elusage)))
895 			return ERR_PTR(-EINVAL);
896 		chunk->ref_count++;
897 		return chunk;
898 	}
899 	return mlxsw_sp_acl_tcam_chunk_create(mlxsw_sp, group,
900 					      priority, elusage);
901 }
902 
903 static void mlxsw_sp_acl_tcam_chunk_put(struct mlxsw_sp *mlxsw_sp,
904 					struct mlxsw_sp_acl_tcam_chunk *chunk)
905 {
906 	if (--chunk->ref_count)
907 		return;
908 	mlxsw_sp_acl_tcam_chunk_destroy(mlxsw_sp, chunk);
909 }
910 
911 static int mlxsw_sp_acl_tcam_entry_add(struct mlxsw_sp *mlxsw_sp,
912 				       struct mlxsw_sp_acl_tcam_group *group,
913 				       struct mlxsw_sp_acl_tcam_entry *entry,
914 				       struct mlxsw_sp_acl_rule_info *rulei)
915 {
916 	struct mlxsw_sp_acl_tcam_chunk *chunk;
917 	struct mlxsw_sp_acl_tcam_region *region;
918 	int err;
919 
920 	chunk = mlxsw_sp_acl_tcam_chunk_get(mlxsw_sp, group, rulei->priority,
921 					    &rulei->values.elusage);
922 	if (IS_ERR(chunk))
923 		return PTR_ERR(chunk);
924 
925 	region = chunk->region;
926 	err = parman_item_add(region->parman, &chunk->parman_prio,
927 			      &entry->parman_item);
928 	if (err)
929 		goto err_parman_item_add;
930 
931 	err = mlxsw_sp_acl_tcam_region_entry_insert(mlxsw_sp, region,
932 						    entry->parman_item.index,
933 						    rulei);
934 	if (err)
935 		goto err_rule_insert;
936 	entry->chunk = chunk;
937 
938 	return 0;
939 
940 err_rule_insert:
941 	parman_item_remove(region->parman, &chunk->parman_prio,
942 			   &entry->parman_item);
943 err_parman_item_add:
944 	mlxsw_sp_acl_tcam_chunk_put(mlxsw_sp, chunk);
945 	return err;
946 }
947 
948 static void mlxsw_sp_acl_tcam_entry_del(struct mlxsw_sp *mlxsw_sp,
949 					struct mlxsw_sp_acl_tcam_entry *entry)
950 {
951 	struct mlxsw_sp_acl_tcam_chunk *chunk = entry->chunk;
952 	struct mlxsw_sp_acl_tcam_region *region = chunk->region;
953 
954 	mlxsw_sp_acl_tcam_region_entry_remove(mlxsw_sp, region,
955 					      entry->parman_item.index);
956 	parman_item_remove(region->parman, &chunk->parman_prio,
957 			   &entry->parman_item);
958 	mlxsw_sp_acl_tcam_chunk_put(mlxsw_sp, chunk);
959 }
960 
961 static int
962 mlxsw_sp_acl_tcam_entry_activity_get(struct mlxsw_sp *mlxsw_sp,
963 				     struct mlxsw_sp_acl_tcam_entry *entry,
964 				     bool *activity)
965 {
966 	struct mlxsw_sp_acl_tcam_chunk *chunk = entry->chunk;
967 	struct mlxsw_sp_acl_tcam_region *region = chunk->region;
968 
969 	return mlxsw_sp_acl_tcam_region_entry_activity_get(mlxsw_sp, region,
970 							   entry->parman_item.index,
971 							   activity);
972 }
973 
974 static const enum mlxsw_afk_element mlxsw_sp_acl_tcam_pattern_ipv4[] = {
975 	MLXSW_AFK_ELEMENT_SRC_SYS_PORT,
976 	MLXSW_AFK_ELEMENT_DMAC,
977 	MLXSW_AFK_ELEMENT_SMAC,
978 	MLXSW_AFK_ELEMENT_ETHERTYPE,
979 	MLXSW_AFK_ELEMENT_IP_PROTO,
980 	MLXSW_AFK_ELEMENT_SRC_IP4,
981 	MLXSW_AFK_ELEMENT_DST_IP4,
982 	MLXSW_AFK_ELEMENT_DST_L4_PORT,
983 	MLXSW_AFK_ELEMENT_SRC_L4_PORT,
984 	MLXSW_AFK_ELEMENT_VID,
985 	MLXSW_AFK_ELEMENT_PCP,
986 	MLXSW_AFK_ELEMENT_TCP_FLAGS,
987 };
988 
989 static const enum mlxsw_afk_element mlxsw_sp_acl_tcam_pattern_ipv6[] = {
990 	MLXSW_AFK_ELEMENT_ETHERTYPE,
991 	MLXSW_AFK_ELEMENT_IP_PROTO,
992 	MLXSW_AFK_ELEMENT_SRC_IP6_HI,
993 	MLXSW_AFK_ELEMENT_SRC_IP6_LO,
994 	MLXSW_AFK_ELEMENT_DST_IP6_HI,
995 	MLXSW_AFK_ELEMENT_DST_IP6_LO,
996 	MLXSW_AFK_ELEMENT_DST_L4_PORT,
997 	MLXSW_AFK_ELEMENT_SRC_L4_PORT,
998 };
999 
1000 static const struct mlxsw_sp_acl_tcam_pattern mlxsw_sp_acl_tcam_patterns[] = {
1001 	{
1002 		.elements = mlxsw_sp_acl_tcam_pattern_ipv4,
1003 		.elements_count = ARRAY_SIZE(mlxsw_sp_acl_tcam_pattern_ipv4),
1004 	},
1005 	{
1006 		.elements = mlxsw_sp_acl_tcam_pattern_ipv6,
1007 		.elements_count = ARRAY_SIZE(mlxsw_sp_acl_tcam_pattern_ipv6),
1008 	},
1009 };
1010 
1011 #define MLXSW_SP_ACL_TCAM_PATTERNS_COUNT \
1012 	ARRAY_SIZE(mlxsw_sp_acl_tcam_patterns)
1013 
1014 struct mlxsw_sp_acl_tcam_flower_ruleset {
1015 	struct mlxsw_sp_acl_tcam_group group;
1016 };
1017 
1018 struct mlxsw_sp_acl_tcam_flower_rule {
1019 	struct mlxsw_sp_acl_tcam_entry entry;
1020 };
1021 
1022 static int
1023 mlxsw_sp_acl_tcam_flower_ruleset_add(struct mlxsw_sp *mlxsw_sp,
1024 				     void *priv, void *ruleset_priv)
1025 {
1026 	struct mlxsw_sp_acl_tcam_flower_ruleset *ruleset = ruleset_priv;
1027 	struct mlxsw_sp_acl_tcam *tcam = priv;
1028 
1029 	return mlxsw_sp_acl_tcam_group_add(mlxsw_sp, tcam, &ruleset->group,
1030 					   mlxsw_sp_acl_tcam_patterns,
1031 					   MLXSW_SP_ACL_TCAM_PATTERNS_COUNT);
1032 }
1033 
1034 static void
1035 mlxsw_sp_acl_tcam_flower_ruleset_del(struct mlxsw_sp *mlxsw_sp,
1036 				     void *ruleset_priv)
1037 {
1038 	struct mlxsw_sp_acl_tcam_flower_ruleset *ruleset = ruleset_priv;
1039 
1040 	mlxsw_sp_acl_tcam_group_del(mlxsw_sp, &ruleset->group);
1041 }
1042 
1043 static int
1044 mlxsw_sp_acl_tcam_flower_ruleset_bind(struct mlxsw_sp *mlxsw_sp,
1045 				      void *ruleset_priv,
1046 				      struct net_device *dev, bool ingress)
1047 {
1048 	struct mlxsw_sp_acl_tcam_flower_ruleset *ruleset = ruleset_priv;
1049 
1050 	return mlxsw_sp_acl_tcam_group_bind(mlxsw_sp, &ruleset->group,
1051 					    dev, ingress);
1052 }
1053 
1054 static void
1055 mlxsw_sp_acl_tcam_flower_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
1056 					void *ruleset_priv)
1057 {
1058 	struct mlxsw_sp_acl_tcam_flower_ruleset *ruleset = ruleset_priv;
1059 
1060 	mlxsw_sp_acl_tcam_group_unbind(mlxsw_sp, &ruleset->group);
1061 }
1062 
1063 static int
1064 mlxsw_sp_acl_tcam_flower_rule_add(struct mlxsw_sp *mlxsw_sp,
1065 				  void *ruleset_priv, void *rule_priv,
1066 				  struct mlxsw_sp_acl_rule_info *rulei)
1067 {
1068 	struct mlxsw_sp_acl_tcam_flower_ruleset *ruleset = ruleset_priv;
1069 	struct mlxsw_sp_acl_tcam_flower_rule *rule = rule_priv;
1070 
1071 	return mlxsw_sp_acl_tcam_entry_add(mlxsw_sp, &ruleset->group,
1072 					   &rule->entry, rulei);
1073 }
1074 
1075 static void
1076 mlxsw_sp_acl_tcam_flower_rule_del(struct mlxsw_sp *mlxsw_sp, void *rule_priv)
1077 {
1078 	struct mlxsw_sp_acl_tcam_flower_rule *rule = rule_priv;
1079 
1080 	mlxsw_sp_acl_tcam_entry_del(mlxsw_sp, &rule->entry);
1081 }
1082 
1083 static int
1084 mlxsw_sp_acl_tcam_flower_rule_activity_get(struct mlxsw_sp *mlxsw_sp,
1085 					   void *rule_priv, bool *activity)
1086 {
1087 	struct mlxsw_sp_acl_tcam_flower_rule *rule = rule_priv;
1088 
1089 	return mlxsw_sp_acl_tcam_entry_activity_get(mlxsw_sp, &rule->entry,
1090 						    activity);
1091 }
1092 
1093 static const struct mlxsw_sp_acl_profile_ops mlxsw_sp_acl_tcam_flower_ops = {
1094 	.ruleset_priv_size	= sizeof(struct mlxsw_sp_acl_tcam_flower_ruleset),
1095 	.ruleset_add		= mlxsw_sp_acl_tcam_flower_ruleset_add,
1096 	.ruleset_del		= mlxsw_sp_acl_tcam_flower_ruleset_del,
1097 	.ruleset_bind		= mlxsw_sp_acl_tcam_flower_ruleset_bind,
1098 	.ruleset_unbind		= mlxsw_sp_acl_tcam_flower_ruleset_unbind,
1099 	.rule_priv_size		= sizeof(struct mlxsw_sp_acl_tcam_flower_rule),
1100 	.rule_add		= mlxsw_sp_acl_tcam_flower_rule_add,
1101 	.rule_del		= mlxsw_sp_acl_tcam_flower_rule_del,
1102 	.rule_activity_get	= mlxsw_sp_acl_tcam_flower_rule_activity_get,
1103 };
1104 
1105 static const struct mlxsw_sp_acl_profile_ops *
1106 mlxsw_sp_acl_tcam_profile_ops_arr[] = {
1107 	[MLXSW_SP_ACL_PROFILE_FLOWER] = &mlxsw_sp_acl_tcam_flower_ops,
1108 };
1109 
1110 static const struct mlxsw_sp_acl_profile_ops *
1111 mlxsw_sp_acl_tcam_profile_ops(struct mlxsw_sp *mlxsw_sp,
1112 			      enum mlxsw_sp_acl_profile profile)
1113 {
1114 	const struct mlxsw_sp_acl_profile_ops *ops;
1115 
1116 	if (WARN_ON(profile >= ARRAY_SIZE(mlxsw_sp_acl_tcam_profile_ops_arr)))
1117 		return NULL;
1118 	ops = mlxsw_sp_acl_tcam_profile_ops_arr[profile];
1119 	if (WARN_ON(!ops))
1120 		return NULL;
1121 	return ops;
1122 }
1123 
1124 const struct mlxsw_sp_acl_ops mlxsw_sp_acl_tcam_ops = {
1125 	.priv_size		= sizeof(struct mlxsw_sp_acl_tcam),
1126 	.init			= mlxsw_sp_acl_tcam_init,
1127 	.fini			= mlxsw_sp_acl_tcam_fini,
1128 	.profile_ops		= mlxsw_sp_acl_tcam_profile_ops,
1129 };
1130