1 /*
2  * drivers/net/ethernet/mellanox/mlxsw/reg.h
3  * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
4  * Copyright (c) 2015-2016 Ido Schimmel <idosch@mellanox.com>
5  * Copyright (c) 2015 Elad Raz <eladr@mellanox.com>
6  * Copyright (c) 2015-2016 Jiri Pirko <jiri@mellanox.com>
7  * Copyright (c) 2016 Yotam Gigi <yotamg@mellanox.com>
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. Neither the names of the copyright holders nor the names of its
18  *    contributors may be used to endorse or promote products derived from
19  *    this software without specific prior written permission.
20  *
21  * Alternatively, this software may be distributed under the terms of the
22  * GNU General Public License ("GPL") version 2 as published by the Free
23  * Software Foundation.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 #ifndef _MLXSW_REG_H
39 #define _MLXSW_REG_H
40 
41 #include <linux/string.h>
42 #include <linux/bitops.h>
43 #include <linux/if_vlan.h>
44 
45 #include "item.h"
46 #include "port.h"
47 
48 struct mlxsw_reg_info {
49 	u16 id;
50 	u16 len; /* In u8 */
51 };
52 
53 #define MLXSW_REG(type) (&mlxsw_reg_##type)
54 #define MLXSW_REG_LEN(type) MLXSW_REG(type)->len
55 #define MLXSW_REG_ZERO(type, payload) memset(payload, 0, MLXSW_REG(type)->len)
56 
57 /* SGCR - Switch General Configuration Register
58  * --------------------------------------------
59  * This register is used for configuration of the switch capabilities.
60  */
61 #define MLXSW_REG_SGCR_ID 0x2000
62 #define MLXSW_REG_SGCR_LEN 0x10
63 
64 static const struct mlxsw_reg_info mlxsw_reg_sgcr = {
65 	.id = MLXSW_REG_SGCR_ID,
66 	.len = MLXSW_REG_SGCR_LEN,
67 };
68 
69 /* reg_sgcr_llb
70  * Link Local Broadcast (Default=0)
71  * When set, all Link Local packets (224.0.0.X) will be treated as broadcast
72  * packets and ignore the IGMP snooping entries.
73  * Access: RW
74  */
75 MLXSW_ITEM32(reg, sgcr, llb, 0x04, 0, 1);
76 
77 static inline void mlxsw_reg_sgcr_pack(char *payload, bool llb)
78 {
79 	MLXSW_REG_ZERO(sgcr, payload);
80 	mlxsw_reg_sgcr_llb_set(payload, !!llb);
81 }
82 
83 /* SPAD - Switch Physical Address Register
84  * ---------------------------------------
85  * The SPAD register configures the switch physical MAC address.
86  */
87 #define MLXSW_REG_SPAD_ID 0x2002
88 #define MLXSW_REG_SPAD_LEN 0x10
89 
90 static const struct mlxsw_reg_info mlxsw_reg_spad = {
91 	.id = MLXSW_REG_SPAD_ID,
92 	.len = MLXSW_REG_SPAD_LEN,
93 };
94 
95 /* reg_spad_base_mac
96  * Base MAC address for the switch partitions.
97  * Per switch partition MAC address is equal to:
98  * base_mac + swid
99  * Access: RW
100  */
101 MLXSW_ITEM_BUF(reg, spad, base_mac, 0x02, 6);
102 
103 /* SMID - Switch Multicast ID
104  * --------------------------
105  * The MID record maps from a MID (Multicast ID), which is a unique identifier
106  * of the multicast group within the stacking domain, into a list of local
107  * ports into which the packet is replicated.
108  */
109 #define MLXSW_REG_SMID_ID 0x2007
110 #define MLXSW_REG_SMID_LEN 0x240
111 
112 static const struct mlxsw_reg_info mlxsw_reg_smid = {
113 	.id = MLXSW_REG_SMID_ID,
114 	.len = MLXSW_REG_SMID_LEN,
115 };
116 
117 /* reg_smid_swid
118  * Switch partition ID.
119  * Access: Index
120  */
121 MLXSW_ITEM32(reg, smid, swid, 0x00, 24, 8);
122 
123 /* reg_smid_mid
124  * Multicast identifier - global identifier that represents the multicast group
125  * across all devices.
126  * Access: Index
127  */
128 MLXSW_ITEM32(reg, smid, mid, 0x00, 0, 16);
129 
130 /* reg_smid_port
131  * Local port memebership (1 bit per port).
132  * Access: RW
133  */
134 MLXSW_ITEM_BIT_ARRAY(reg, smid, port, 0x20, 0x20, 1);
135 
136 /* reg_smid_port_mask
137  * Local port mask (1 bit per port).
138  * Access: W
139  */
140 MLXSW_ITEM_BIT_ARRAY(reg, smid, port_mask, 0x220, 0x20, 1);
141 
142 static inline void mlxsw_reg_smid_pack(char *payload, u16 mid,
143 				       u8 port, bool set)
144 {
145 	MLXSW_REG_ZERO(smid, payload);
146 	mlxsw_reg_smid_swid_set(payload, 0);
147 	mlxsw_reg_smid_mid_set(payload, mid);
148 	mlxsw_reg_smid_port_set(payload, port, set);
149 	mlxsw_reg_smid_port_mask_set(payload, port, 1);
150 }
151 
152 /* SSPR - Switch System Port Record Register
153  * -----------------------------------------
154  * Configures the system port to local port mapping.
155  */
156 #define MLXSW_REG_SSPR_ID 0x2008
157 #define MLXSW_REG_SSPR_LEN 0x8
158 
159 static const struct mlxsw_reg_info mlxsw_reg_sspr = {
160 	.id = MLXSW_REG_SSPR_ID,
161 	.len = MLXSW_REG_SSPR_LEN,
162 };
163 
164 /* reg_sspr_m
165  * Master - if set, then the record describes the master system port.
166  * This is needed in case a local port is mapped into several system ports
167  * (for multipathing). That number will be reported as the source system
168  * port when packets are forwarded to the CPU. Only one master port is allowed
169  * per local port.
170  *
171  * Note: Must be set for Spectrum.
172  * Access: RW
173  */
174 MLXSW_ITEM32(reg, sspr, m, 0x00, 31, 1);
175 
176 /* reg_sspr_local_port
177  * Local port number.
178  *
179  * Access: RW
180  */
181 MLXSW_ITEM32(reg, sspr, local_port, 0x00, 16, 8);
182 
183 /* reg_sspr_sub_port
184  * Virtual port within the physical port.
185  * Should be set to 0 when virtual ports are not enabled on the port.
186  *
187  * Access: RW
188  */
189 MLXSW_ITEM32(reg, sspr, sub_port, 0x00, 8, 8);
190 
191 /* reg_sspr_system_port
192  * Unique identifier within the stacking domain that represents all the ports
193  * that are available in the system (external ports).
194  *
195  * Currently, only single-ASIC configurations are supported, so we default to
196  * 1:1 mapping between system ports and local ports.
197  * Access: Index
198  */
199 MLXSW_ITEM32(reg, sspr, system_port, 0x04, 0, 16);
200 
201 static inline void mlxsw_reg_sspr_pack(char *payload, u8 local_port)
202 {
203 	MLXSW_REG_ZERO(sspr, payload);
204 	mlxsw_reg_sspr_m_set(payload, 1);
205 	mlxsw_reg_sspr_local_port_set(payload, local_port);
206 	mlxsw_reg_sspr_sub_port_set(payload, 0);
207 	mlxsw_reg_sspr_system_port_set(payload, local_port);
208 }
209 
210 /* SFDAT - Switch Filtering Database Aging Time
211  * --------------------------------------------
212  * Controls the Switch aging time. Aging time is able to be set per Switch
213  * Partition.
214  */
215 #define MLXSW_REG_SFDAT_ID 0x2009
216 #define MLXSW_REG_SFDAT_LEN 0x8
217 
218 static const struct mlxsw_reg_info mlxsw_reg_sfdat = {
219 	.id = MLXSW_REG_SFDAT_ID,
220 	.len = MLXSW_REG_SFDAT_LEN,
221 };
222 
223 /* reg_sfdat_swid
224  * Switch partition ID.
225  * Access: Index
226  */
227 MLXSW_ITEM32(reg, sfdat, swid, 0x00, 24, 8);
228 
229 /* reg_sfdat_age_time
230  * Aging time in seconds
231  * Min - 10 seconds
232  * Max - 1,000,000 seconds
233  * Default is 300 seconds.
234  * Access: RW
235  */
236 MLXSW_ITEM32(reg, sfdat, age_time, 0x04, 0, 20);
237 
238 static inline void mlxsw_reg_sfdat_pack(char *payload, u32 age_time)
239 {
240 	MLXSW_REG_ZERO(sfdat, payload);
241 	mlxsw_reg_sfdat_swid_set(payload, 0);
242 	mlxsw_reg_sfdat_age_time_set(payload, age_time);
243 }
244 
245 /* SFD - Switch Filtering Database
246  * -------------------------------
247  * The following register defines the access to the filtering database.
248  * The register supports querying, adding, removing and modifying the database.
249  * The access is optimized for bulk updates in which case more than one
250  * FDB record is present in the same command.
251  */
252 #define MLXSW_REG_SFD_ID 0x200A
253 #define MLXSW_REG_SFD_BASE_LEN 0x10 /* base length, without records */
254 #define MLXSW_REG_SFD_REC_LEN 0x10 /* record length */
255 #define MLXSW_REG_SFD_REC_MAX_COUNT 64
256 #define MLXSW_REG_SFD_LEN (MLXSW_REG_SFD_BASE_LEN +	\
257 			   MLXSW_REG_SFD_REC_LEN * MLXSW_REG_SFD_REC_MAX_COUNT)
258 
259 static const struct mlxsw_reg_info mlxsw_reg_sfd = {
260 	.id = MLXSW_REG_SFD_ID,
261 	.len = MLXSW_REG_SFD_LEN,
262 };
263 
264 /* reg_sfd_swid
265  * Switch partition ID for queries. Reserved on Write.
266  * Access: Index
267  */
268 MLXSW_ITEM32(reg, sfd, swid, 0x00, 24, 8);
269 
270 enum mlxsw_reg_sfd_op {
271 	/* Dump entire FDB a (process according to record_locator) */
272 	MLXSW_REG_SFD_OP_QUERY_DUMP = 0,
273 	/* Query records by {MAC, VID/FID} value */
274 	MLXSW_REG_SFD_OP_QUERY_QUERY = 1,
275 	/* Query and clear activity. Query records by {MAC, VID/FID} value */
276 	MLXSW_REG_SFD_OP_QUERY_QUERY_AND_CLEAR_ACTIVITY = 2,
277 	/* Test. Response indicates if each of the records could be
278 	 * added to the FDB.
279 	 */
280 	MLXSW_REG_SFD_OP_WRITE_TEST = 0,
281 	/* Add/modify. Aged-out records cannot be added. This command removes
282 	 * the learning notification of the {MAC, VID/FID}. Response includes
283 	 * the entries that were added to the FDB.
284 	 */
285 	MLXSW_REG_SFD_OP_WRITE_EDIT = 1,
286 	/* Remove record by {MAC, VID/FID}. This command also removes
287 	 * the learning notification and aged-out notifications
288 	 * of the {MAC, VID/FID}. The response provides current (pre-removal)
289 	 * entries as non-aged-out.
290 	 */
291 	MLXSW_REG_SFD_OP_WRITE_REMOVE = 2,
292 	/* Remove learned notification by {MAC, VID/FID}. The response provides
293 	 * the removed learning notification.
294 	 */
295 	MLXSW_REG_SFD_OP_WRITE_REMOVE_NOTIFICATION = 2,
296 };
297 
298 /* reg_sfd_op
299  * Operation.
300  * Access: OP
301  */
302 MLXSW_ITEM32(reg, sfd, op, 0x04, 30, 2);
303 
304 /* reg_sfd_record_locator
305  * Used for querying the FDB. Use record_locator=0 to initiate the
306  * query. When a record is returned, a new record_locator is
307  * returned to be used in the subsequent query.
308  * Reserved for database update.
309  * Access: Index
310  */
311 MLXSW_ITEM32(reg, sfd, record_locator, 0x04, 0, 30);
312 
313 /* reg_sfd_num_rec
314  * Request: Number of records to read/add/modify/remove
315  * Response: Number of records read/added/replaced/removed
316  * See above description for more details.
317  * Ranges 0..64
318  * Access: RW
319  */
320 MLXSW_ITEM32(reg, sfd, num_rec, 0x08, 0, 8);
321 
322 static inline void mlxsw_reg_sfd_pack(char *payload, enum mlxsw_reg_sfd_op op,
323 				      u32 record_locator)
324 {
325 	MLXSW_REG_ZERO(sfd, payload);
326 	mlxsw_reg_sfd_op_set(payload, op);
327 	mlxsw_reg_sfd_record_locator_set(payload, record_locator);
328 }
329 
330 /* reg_sfd_rec_swid
331  * Switch partition ID.
332  * Access: Index
333  */
334 MLXSW_ITEM32_INDEXED(reg, sfd, rec_swid, MLXSW_REG_SFD_BASE_LEN, 24, 8,
335 		     MLXSW_REG_SFD_REC_LEN, 0x00, false);
336 
337 enum mlxsw_reg_sfd_rec_type {
338 	MLXSW_REG_SFD_REC_TYPE_UNICAST = 0x0,
339 	MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG = 0x1,
340 	MLXSW_REG_SFD_REC_TYPE_MULTICAST = 0x2,
341 };
342 
343 /* reg_sfd_rec_type
344  * FDB record type.
345  * Access: RW
346  */
347 MLXSW_ITEM32_INDEXED(reg, sfd, rec_type, MLXSW_REG_SFD_BASE_LEN, 20, 4,
348 		     MLXSW_REG_SFD_REC_LEN, 0x00, false);
349 
350 enum mlxsw_reg_sfd_rec_policy {
351 	/* Replacement disabled, aging disabled. */
352 	MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY = 0,
353 	/* (mlag remote): Replacement enabled, aging disabled,
354 	 * learning notification enabled on this port.
355 	 */
356 	MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_MLAG = 1,
357 	/* (ingress device): Replacement enabled, aging enabled. */
358 	MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS = 3,
359 };
360 
361 /* reg_sfd_rec_policy
362  * Policy.
363  * Access: RW
364  */
365 MLXSW_ITEM32_INDEXED(reg, sfd, rec_policy, MLXSW_REG_SFD_BASE_LEN, 18, 2,
366 		     MLXSW_REG_SFD_REC_LEN, 0x00, false);
367 
368 /* reg_sfd_rec_a
369  * Activity. Set for new static entries. Set for static entries if a frame SMAC
370  * lookup hits on the entry.
371  * To clear the a bit, use "query and clear activity" op.
372  * Access: RO
373  */
374 MLXSW_ITEM32_INDEXED(reg, sfd, rec_a, MLXSW_REG_SFD_BASE_LEN, 16, 1,
375 		     MLXSW_REG_SFD_REC_LEN, 0x00, false);
376 
377 /* reg_sfd_rec_mac
378  * MAC address.
379  * Access: Index
380  */
381 MLXSW_ITEM_BUF_INDEXED(reg, sfd, rec_mac, MLXSW_REG_SFD_BASE_LEN, 6,
382 		       MLXSW_REG_SFD_REC_LEN, 0x02);
383 
384 enum mlxsw_reg_sfd_rec_action {
385 	/* forward */
386 	MLXSW_REG_SFD_REC_ACTION_NOP = 0,
387 	/* forward and trap, trap_id is FDB_TRAP */
388 	MLXSW_REG_SFD_REC_ACTION_MIRROR_TO_CPU = 1,
389 	/* trap and do not forward, trap_id is FDB_TRAP */
390 	MLXSW_REG_SFD_REC_ACTION_TRAP = 2,
391 	/* forward to IP router */
392 	MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER = 3,
393 	MLXSW_REG_SFD_REC_ACTION_DISCARD_ERROR = 15,
394 };
395 
396 /* reg_sfd_rec_action
397  * Action to apply on the packet.
398  * Note: Dynamic entries can only be configured with NOP action.
399  * Access: RW
400  */
401 MLXSW_ITEM32_INDEXED(reg, sfd, rec_action, MLXSW_REG_SFD_BASE_LEN, 28, 4,
402 		     MLXSW_REG_SFD_REC_LEN, 0x0C, false);
403 
404 /* reg_sfd_uc_sub_port
405  * VEPA channel on local port.
406  * Valid only if local port is a non-stacking port. Must be 0 if multichannel
407  * VEPA is not enabled.
408  * Access: RW
409  */
410 MLXSW_ITEM32_INDEXED(reg, sfd, uc_sub_port, MLXSW_REG_SFD_BASE_LEN, 16, 8,
411 		     MLXSW_REG_SFD_REC_LEN, 0x08, false);
412 
413 /* reg_sfd_uc_fid_vid
414  * Filtering ID or VLAN ID
415  * For SwitchX and SwitchX-2:
416  * - Dynamic entries (policy 2,3) use FID
417  * - Static entries (policy 0) use VID
418  * - When independent learning is configured, VID=FID
419  * For Spectrum: use FID for both Dynamic and Static entries.
420  * VID should not be used.
421  * Access: Index
422  */
423 MLXSW_ITEM32_INDEXED(reg, sfd, uc_fid_vid, MLXSW_REG_SFD_BASE_LEN, 0, 16,
424 		     MLXSW_REG_SFD_REC_LEN, 0x08, false);
425 
426 /* reg_sfd_uc_system_port
427  * Unique port identifier for the final destination of the packet.
428  * Access: RW
429  */
430 MLXSW_ITEM32_INDEXED(reg, sfd, uc_system_port, MLXSW_REG_SFD_BASE_LEN, 0, 16,
431 		     MLXSW_REG_SFD_REC_LEN, 0x0C, false);
432 
433 static inline void mlxsw_reg_sfd_rec_pack(char *payload, int rec_index,
434 					  enum mlxsw_reg_sfd_rec_type rec_type,
435 					  const char *mac,
436 					  enum mlxsw_reg_sfd_rec_action action)
437 {
438 	u8 num_rec = mlxsw_reg_sfd_num_rec_get(payload);
439 
440 	if (rec_index >= num_rec)
441 		mlxsw_reg_sfd_num_rec_set(payload, rec_index + 1);
442 	mlxsw_reg_sfd_rec_swid_set(payload, rec_index, 0);
443 	mlxsw_reg_sfd_rec_type_set(payload, rec_index, rec_type);
444 	mlxsw_reg_sfd_rec_mac_memcpy_to(payload, rec_index, mac);
445 	mlxsw_reg_sfd_rec_action_set(payload, rec_index, action);
446 }
447 
448 static inline void mlxsw_reg_sfd_uc_pack(char *payload, int rec_index,
449 					 enum mlxsw_reg_sfd_rec_policy policy,
450 					 const char *mac, u16 fid_vid,
451 					 enum mlxsw_reg_sfd_rec_action action,
452 					 u8 local_port)
453 {
454 	mlxsw_reg_sfd_rec_pack(payload, rec_index,
455 			       MLXSW_REG_SFD_REC_TYPE_UNICAST, mac, action);
456 	mlxsw_reg_sfd_rec_policy_set(payload, rec_index, policy);
457 	mlxsw_reg_sfd_uc_sub_port_set(payload, rec_index, 0);
458 	mlxsw_reg_sfd_uc_fid_vid_set(payload, rec_index, fid_vid);
459 	mlxsw_reg_sfd_uc_system_port_set(payload, rec_index, local_port);
460 }
461 
462 static inline void mlxsw_reg_sfd_uc_unpack(char *payload, int rec_index,
463 					   char *mac, u16 *p_fid_vid,
464 					   u8 *p_local_port)
465 {
466 	mlxsw_reg_sfd_rec_mac_memcpy_from(payload, rec_index, mac);
467 	*p_fid_vid = mlxsw_reg_sfd_uc_fid_vid_get(payload, rec_index);
468 	*p_local_port = mlxsw_reg_sfd_uc_system_port_get(payload, rec_index);
469 }
470 
471 /* reg_sfd_uc_lag_sub_port
472  * LAG sub port.
473  * Must be 0 if multichannel VEPA is not enabled.
474  * Access: RW
475  */
476 MLXSW_ITEM32_INDEXED(reg, sfd, uc_lag_sub_port, MLXSW_REG_SFD_BASE_LEN, 16, 8,
477 		     MLXSW_REG_SFD_REC_LEN, 0x08, false);
478 
479 /* reg_sfd_uc_lag_fid_vid
480  * Filtering ID or VLAN ID
481  * For SwitchX and SwitchX-2:
482  * - Dynamic entries (policy 2,3) use FID
483  * - Static entries (policy 0) use VID
484  * - When independent learning is configured, VID=FID
485  * For Spectrum: use FID for both Dynamic and Static entries.
486  * VID should not be used.
487  * Access: Index
488  */
489 MLXSW_ITEM32_INDEXED(reg, sfd, uc_lag_fid_vid, MLXSW_REG_SFD_BASE_LEN, 0, 16,
490 		     MLXSW_REG_SFD_REC_LEN, 0x08, false);
491 
492 /* reg_sfd_uc_lag_lag_vid
493  * Indicates VID in case of vFIDs. Reserved for FIDs.
494  * Access: RW
495  */
496 MLXSW_ITEM32_INDEXED(reg, sfd, uc_lag_lag_vid, MLXSW_REG_SFD_BASE_LEN, 16, 12,
497 		     MLXSW_REG_SFD_REC_LEN, 0x0C, false);
498 
499 /* reg_sfd_uc_lag_lag_id
500  * LAG Identifier - pointer into the LAG descriptor table.
501  * Access: RW
502  */
503 MLXSW_ITEM32_INDEXED(reg, sfd, uc_lag_lag_id, MLXSW_REG_SFD_BASE_LEN, 0, 10,
504 		     MLXSW_REG_SFD_REC_LEN, 0x0C, false);
505 
506 static inline void
507 mlxsw_reg_sfd_uc_lag_pack(char *payload, int rec_index,
508 			  enum mlxsw_reg_sfd_rec_policy policy,
509 			  const char *mac, u16 fid_vid,
510 			  enum mlxsw_reg_sfd_rec_action action, u16 lag_vid,
511 			  u16 lag_id)
512 {
513 	mlxsw_reg_sfd_rec_pack(payload, rec_index,
514 			       MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG,
515 			       mac, action);
516 	mlxsw_reg_sfd_rec_policy_set(payload, rec_index, policy);
517 	mlxsw_reg_sfd_uc_lag_sub_port_set(payload, rec_index, 0);
518 	mlxsw_reg_sfd_uc_lag_fid_vid_set(payload, rec_index, fid_vid);
519 	mlxsw_reg_sfd_uc_lag_lag_vid_set(payload, rec_index, lag_vid);
520 	mlxsw_reg_sfd_uc_lag_lag_id_set(payload, rec_index, lag_id);
521 }
522 
523 static inline void mlxsw_reg_sfd_uc_lag_unpack(char *payload, int rec_index,
524 					       char *mac, u16 *p_vid,
525 					       u16 *p_lag_id)
526 {
527 	mlxsw_reg_sfd_rec_mac_memcpy_from(payload, rec_index, mac);
528 	*p_vid = mlxsw_reg_sfd_uc_lag_fid_vid_get(payload, rec_index);
529 	*p_lag_id = mlxsw_reg_sfd_uc_lag_lag_id_get(payload, rec_index);
530 }
531 
532 /* reg_sfd_mc_pgi
533  *
534  * Multicast port group index - index into the port group table.
535  * Value 0x1FFF indicates the pgi should point to the MID entry.
536  * For Spectrum this value must be set to 0x1FFF
537  * Access: RW
538  */
539 MLXSW_ITEM32_INDEXED(reg, sfd, mc_pgi, MLXSW_REG_SFD_BASE_LEN, 16, 13,
540 		     MLXSW_REG_SFD_REC_LEN, 0x08, false);
541 
542 /* reg_sfd_mc_fid_vid
543  *
544  * Filtering ID or VLAN ID
545  * Access: Index
546  */
547 MLXSW_ITEM32_INDEXED(reg, sfd, mc_fid_vid, MLXSW_REG_SFD_BASE_LEN, 0, 16,
548 		     MLXSW_REG_SFD_REC_LEN, 0x08, false);
549 
550 /* reg_sfd_mc_mid
551  *
552  * Multicast identifier - global identifier that represents the multicast
553  * group across all devices.
554  * Access: RW
555  */
556 MLXSW_ITEM32_INDEXED(reg, sfd, mc_mid, MLXSW_REG_SFD_BASE_LEN, 0, 16,
557 		     MLXSW_REG_SFD_REC_LEN, 0x0C, false);
558 
559 static inline void
560 mlxsw_reg_sfd_mc_pack(char *payload, int rec_index,
561 		      const char *mac, u16 fid_vid,
562 		      enum mlxsw_reg_sfd_rec_action action, u16 mid)
563 {
564 	mlxsw_reg_sfd_rec_pack(payload, rec_index,
565 			       MLXSW_REG_SFD_REC_TYPE_MULTICAST, mac, action);
566 	mlxsw_reg_sfd_mc_pgi_set(payload, rec_index, 0x1FFF);
567 	mlxsw_reg_sfd_mc_fid_vid_set(payload, rec_index, fid_vid);
568 	mlxsw_reg_sfd_mc_mid_set(payload, rec_index, mid);
569 }
570 
571 /* SFN - Switch FDB Notification Register
572  * -------------------------------------------
573  * The switch provides notifications on newly learned FDB entries and
574  * aged out entries. The notifications can be polled by software.
575  */
576 #define MLXSW_REG_SFN_ID 0x200B
577 #define MLXSW_REG_SFN_BASE_LEN 0x10 /* base length, without records */
578 #define MLXSW_REG_SFN_REC_LEN 0x10 /* record length */
579 #define MLXSW_REG_SFN_REC_MAX_COUNT 64
580 #define MLXSW_REG_SFN_LEN (MLXSW_REG_SFN_BASE_LEN +	\
581 			   MLXSW_REG_SFN_REC_LEN * MLXSW_REG_SFN_REC_MAX_COUNT)
582 
583 static const struct mlxsw_reg_info mlxsw_reg_sfn = {
584 	.id = MLXSW_REG_SFN_ID,
585 	.len = MLXSW_REG_SFN_LEN,
586 };
587 
588 /* reg_sfn_swid
589  * Switch partition ID.
590  * Access: Index
591  */
592 MLXSW_ITEM32(reg, sfn, swid, 0x00, 24, 8);
593 
594 /* reg_sfn_num_rec
595  * Request: Number of learned notifications and aged-out notification
596  * records requested.
597  * Response: Number of notification records returned (must be smaller
598  * than or equal to the value requested)
599  * Ranges 0..64
600  * Access: OP
601  */
602 MLXSW_ITEM32(reg, sfn, num_rec, 0x04, 0, 8);
603 
604 static inline void mlxsw_reg_sfn_pack(char *payload)
605 {
606 	MLXSW_REG_ZERO(sfn, payload);
607 	mlxsw_reg_sfn_swid_set(payload, 0);
608 	mlxsw_reg_sfn_num_rec_set(payload, MLXSW_REG_SFN_REC_MAX_COUNT);
609 }
610 
611 /* reg_sfn_rec_swid
612  * Switch partition ID.
613  * Access: RO
614  */
615 MLXSW_ITEM32_INDEXED(reg, sfn, rec_swid, MLXSW_REG_SFN_BASE_LEN, 24, 8,
616 		     MLXSW_REG_SFN_REC_LEN, 0x00, false);
617 
618 enum mlxsw_reg_sfn_rec_type {
619 	/* MAC addresses learned on a regular port. */
620 	MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC = 0x5,
621 	/* MAC addresses learned on a LAG port. */
622 	MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG = 0x6,
623 	/* Aged-out MAC address on a regular port. */
624 	MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC = 0x7,
625 	/* Aged-out MAC address on a LAG port. */
626 	MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG = 0x8,
627 };
628 
629 /* reg_sfn_rec_type
630  * Notification record type.
631  * Access: RO
632  */
633 MLXSW_ITEM32_INDEXED(reg, sfn, rec_type, MLXSW_REG_SFN_BASE_LEN, 20, 4,
634 		     MLXSW_REG_SFN_REC_LEN, 0x00, false);
635 
636 /* reg_sfn_rec_mac
637  * MAC address.
638  * Access: RO
639  */
640 MLXSW_ITEM_BUF_INDEXED(reg, sfn, rec_mac, MLXSW_REG_SFN_BASE_LEN, 6,
641 		       MLXSW_REG_SFN_REC_LEN, 0x02);
642 
643 /* reg_sfn_mac_sub_port
644  * VEPA channel on the local port.
645  * 0 if multichannel VEPA is not enabled.
646  * Access: RO
647  */
648 MLXSW_ITEM32_INDEXED(reg, sfn, mac_sub_port, MLXSW_REG_SFN_BASE_LEN, 16, 8,
649 		     MLXSW_REG_SFN_REC_LEN, 0x08, false);
650 
651 /* reg_sfn_mac_fid
652  * Filtering identifier.
653  * Access: RO
654  */
655 MLXSW_ITEM32_INDEXED(reg, sfn, mac_fid, MLXSW_REG_SFN_BASE_LEN, 0, 16,
656 		     MLXSW_REG_SFN_REC_LEN, 0x08, false);
657 
658 /* reg_sfn_mac_system_port
659  * Unique port identifier for the final destination of the packet.
660  * Access: RO
661  */
662 MLXSW_ITEM32_INDEXED(reg, sfn, mac_system_port, MLXSW_REG_SFN_BASE_LEN, 0, 16,
663 		     MLXSW_REG_SFN_REC_LEN, 0x0C, false);
664 
665 static inline void mlxsw_reg_sfn_mac_unpack(char *payload, int rec_index,
666 					    char *mac, u16 *p_vid,
667 					    u8 *p_local_port)
668 {
669 	mlxsw_reg_sfn_rec_mac_memcpy_from(payload, rec_index, mac);
670 	*p_vid = mlxsw_reg_sfn_mac_fid_get(payload, rec_index);
671 	*p_local_port = mlxsw_reg_sfn_mac_system_port_get(payload, rec_index);
672 }
673 
674 /* reg_sfn_mac_lag_lag_id
675  * LAG ID (pointer into the LAG descriptor table).
676  * Access: RO
677  */
678 MLXSW_ITEM32_INDEXED(reg, sfn, mac_lag_lag_id, MLXSW_REG_SFN_BASE_LEN, 0, 10,
679 		     MLXSW_REG_SFN_REC_LEN, 0x0C, false);
680 
681 static inline void mlxsw_reg_sfn_mac_lag_unpack(char *payload, int rec_index,
682 						char *mac, u16 *p_vid,
683 						u16 *p_lag_id)
684 {
685 	mlxsw_reg_sfn_rec_mac_memcpy_from(payload, rec_index, mac);
686 	*p_vid = mlxsw_reg_sfn_mac_fid_get(payload, rec_index);
687 	*p_lag_id = mlxsw_reg_sfn_mac_lag_lag_id_get(payload, rec_index);
688 }
689 
690 /* SPMS - Switch Port MSTP/RSTP State Register
691  * -------------------------------------------
692  * Configures the spanning tree state of a physical port.
693  */
694 #define MLXSW_REG_SPMS_ID 0x200D
695 #define MLXSW_REG_SPMS_LEN 0x404
696 
697 static const struct mlxsw_reg_info mlxsw_reg_spms = {
698 	.id = MLXSW_REG_SPMS_ID,
699 	.len = MLXSW_REG_SPMS_LEN,
700 };
701 
702 /* reg_spms_local_port
703  * Local port number.
704  * Access: Index
705  */
706 MLXSW_ITEM32(reg, spms, local_port, 0x00, 16, 8);
707 
708 enum mlxsw_reg_spms_state {
709 	MLXSW_REG_SPMS_STATE_NO_CHANGE,
710 	MLXSW_REG_SPMS_STATE_DISCARDING,
711 	MLXSW_REG_SPMS_STATE_LEARNING,
712 	MLXSW_REG_SPMS_STATE_FORWARDING,
713 };
714 
715 /* reg_spms_state
716  * Spanning tree state of each VLAN ID (VID) of the local port.
717  * 0 - Do not change spanning tree state (used only when writing).
718  * 1 - Discarding. No learning or forwarding to/from this port (default).
719  * 2 - Learning. Port is learning, but not forwarding.
720  * 3 - Forwarding. Port is learning and forwarding.
721  * Access: RW
722  */
723 MLXSW_ITEM_BIT_ARRAY(reg, spms, state, 0x04, 0x400, 2);
724 
725 static inline void mlxsw_reg_spms_pack(char *payload, u8 local_port)
726 {
727 	MLXSW_REG_ZERO(spms, payload);
728 	mlxsw_reg_spms_local_port_set(payload, local_port);
729 }
730 
731 static inline void mlxsw_reg_spms_vid_pack(char *payload, u16 vid,
732 					   enum mlxsw_reg_spms_state state)
733 {
734 	mlxsw_reg_spms_state_set(payload, vid, state);
735 }
736 
737 /* SPVID - Switch Port VID
738  * -----------------------
739  * The switch port VID configures the default VID for a port.
740  */
741 #define MLXSW_REG_SPVID_ID 0x200E
742 #define MLXSW_REG_SPVID_LEN 0x08
743 
744 static const struct mlxsw_reg_info mlxsw_reg_spvid = {
745 	.id = MLXSW_REG_SPVID_ID,
746 	.len = MLXSW_REG_SPVID_LEN,
747 };
748 
749 /* reg_spvid_local_port
750  * Local port number.
751  * Access: Index
752  */
753 MLXSW_ITEM32(reg, spvid, local_port, 0x00, 16, 8);
754 
755 /* reg_spvid_sub_port
756  * Virtual port within the physical port.
757  * Should be set to 0 when virtual ports are not enabled on the port.
758  * Access: Index
759  */
760 MLXSW_ITEM32(reg, spvid, sub_port, 0x00, 8, 8);
761 
762 /* reg_spvid_pvid
763  * Port default VID
764  * Access: RW
765  */
766 MLXSW_ITEM32(reg, spvid, pvid, 0x04, 0, 12);
767 
768 static inline void mlxsw_reg_spvid_pack(char *payload, u8 local_port, u16 pvid)
769 {
770 	MLXSW_REG_ZERO(spvid, payload);
771 	mlxsw_reg_spvid_local_port_set(payload, local_port);
772 	mlxsw_reg_spvid_pvid_set(payload, pvid);
773 }
774 
775 /* SPVM - Switch Port VLAN Membership
776  * ----------------------------------
777  * The Switch Port VLAN Membership register configures the VLAN membership
778  * of a port in a VLAN denoted by VID. VLAN membership is managed per
779  * virtual port. The register can be used to add and remove VID(s) from a port.
780  */
781 #define MLXSW_REG_SPVM_ID 0x200F
782 #define MLXSW_REG_SPVM_BASE_LEN 0x04 /* base length, without records */
783 #define MLXSW_REG_SPVM_REC_LEN 0x04 /* record length */
784 #define MLXSW_REG_SPVM_REC_MAX_COUNT 256
785 #define MLXSW_REG_SPVM_LEN (MLXSW_REG_SPVM_BASE_LEN +	\
786 		    MLXSW_REG_SPVM_REC_LEN * MLXSW_REG_SPVM_REC_MAX_COUNT)
787 
788 static const struct mlxsw_reg_info mlxsw_reg_spvm = {
789 	.id = MLXSW_REG_SPVM_ID,
790 	.len = MLXSW_REG_SPVM_LEN,
791 };
792 
793 /* reg_spvm_pt
794  * Priority tagged. If this bit is set, packets forwarded to the port with
795  * untagged VLAN membership (u bit is set) will be tagged with priority tag
796  * (VID=0)
797  * Access: RW
798  */
799 MLXSW_ITEM32(reg, spvm, pt, 0x00, 31, 1);
800 
801 /* reg_spvm_pte
802  * Priority Tagged Update Enable. On Write operations, if this bit is cleared,
803  * the pt bit will NOT be updated. To update the pt bit, pte must be set.
804  * Access: WO
805  */
806 MLXSW_ITEM32(reg, spvm, pte, 0x00, 30, 1);
807 
808 /* reg_spvm_local_port
809  * Local port number.
810  * Access: Index
811  */
812 MLXSW_ITEM32(reg, spvm, local_port, 0x00, 16, 8);
813 
814 /* reg_spvm_sub_port
815  * Virtual port within the physical port.
816  * Should be set to 0 when virtual ports are not enabled on the port.
817  * Access: Index
818  */
819 MLXSW_ITEM32(reg, spvm, sub_port, 0x00, 8, 8);
820 
821 /* reg_spvm_num_rec
822  * Number of records to update. Each record contains: i, e, u, vid.
823  * Access: OP
824  */
825 MLXSW_ITEM32(reg, spvm, num_rec, 0x00, 0, 8);
826 
827 /* reg_spvm_rec_i
828  * Ingress membership in VLAN ID.
829  * Access: Index
830  */
831 MLXSW_ITEM32_INDEXED(reg, spvm, rec_i,
832 		     MLXSW_REG_SPVM_BASE_LEN, 14, 1,
833 		     MLXSW_REG_SPVM_REC_LEN, 0, false);
834 
835 /* reg_spvm_rec_e
836  * Egress membership in VLAN ID.
837  * Access: Index
838  */
839 MLXSW_ITEM32_INDEXED(reg, spvm, rec_e,
840 		     MLXSW_REG_SPVM_BASE_LEN, 13, 1,
841 		     MLXSW_REG_SPVM_REC_LEN, 0, false);
842 
843 /* reg_spvm_rec_u
844  * Untagged - port is an untagged member - egress transmission uses untagged
845  * frames on VID<n>
846  * Access: Index
847  */
848 MLXSW_ITEM32_INDEXED(reg, spvm, rec_u,
849 		     MLXSW_REG_SPVM_BASE_LEN, 12, 1,
850 		     MLXSW_REG_SPVM_REC_LEN, 0, false);
851 
852 /* reg_spvm_rec_vid
853  * Egress membership in VLAN ID.
854  * Access: Index
855  */
856 MLXSW_ITEM32_INDEXED(reg, spvm, rec_vid,
857 		     MLXSW_REG_SPVM_BASE_LEN, 0, 12,
858 		     MLXSW_REG_SPVM_REC_LEN, 0, false);
859 
860 static inline void mlxsw_reg_spvm_pack(char *payload, u8 local_port,
861 				       u16 vid_begin, u16 vid_end,
862 				       bool is_member, bool untagged)
863 {
864 	int size = vid_end - vid_begin + 1;
865 	int i;
866 
867 	MLXSW_REG_ZERO(spvm, payload);
868 	mlxsw_reg_spvm_local_port_set(payload, local_port);
869 	mlxsw_reg_spvm_num_rec_set(payload, size);
870 
871 	for (i = 0; i < size; i++) {
872 		mlxsw_reg_spvm_rec_i_set(payload, i, is_member);
873 		mlxsw_reg_spvm_rec_e_set(payload, i, is_member);
874 		mlxsw_reg_spvm_rec_u_set(payload, i, untagged);
875 		mlxsw_reg_spvm_rec_vid_set(payload, i, vid_begin + i);
876 	}
877 }
878 
879 /* SPAFT - Switch Port Acceptable Frame Types
880  * ------------------------------------------
881  * The Switch Port Acceptable Frame Types register configures the frame
882  * admittance of the port.
883  */
884 #define MLXSW_REG_SPAFT_ID 0x2010
885 #define MLXSW_REG_SPAFT_LEN 0x08
886 
887 static const struct mlxsw_reg_info mlxsw_reg_spaft = {
888 	.id = MLXSW_REG_SPAFT_ID,
889 	.len = MLXSW_REG_SPAFT_LEN,
890 };
891 
892 /* reg_spaft_local_port
893  * Local port number.
894  * Access: Index
895  *
896  * Note: CPU port is not supported (all tag types are allowed).
897  */
898 MLXSW_ITEM32(reg, spaft, local_port, 0x00, 16, 8);
899 
900 /* reg_spaft_sub_port
901  * Virtual port within the physical port.
902  * Should be set to 0 when virtual ports are not enabled on the port.
903  * Access: RW
904  */
905 MLXSW_ITEM32(reg, spaft, sub_port, 0x00, 8, 8);
906 
907 /* reg_spaft_allow_untagged
908  * When set, untagged frames on the ingress are allowed (default).
909  * Access: RW
910  */
911 MLXSW_ITEM32(reg, spaft, allow_untagged, 0x04, 31, 1);
912 
913 /* reg_spaft_allow_prio_tagged
914  * When set, priority tagged frames on the ingress are allowed (default).
915  * Access: RW
916  */
917 MLXSW_ITEM32(reg, spaft, allow_prio_tagged, 0x04, 30, 1);
918 
919 /* reg_spaft_allow_tagged
920  * When set, tagged frames on the ingress are allowed (default).
921  * Access: RW
922  */
923 MLXSW_ITEM32(reg, spaft, allow_tagged, 0x04, 29, 1);
924 
925 static inline void mlxsw_reg_spaft_pack(char *payload, u8 local_port,
926 					bool allow_untagged)
927 {
928 	MLXSW_REG_ZERO(spaft, payload);
929 	mlxsw_reg_spaft_local_port_set(payload, local_port);
930 	mlxsw_reg_spaft_allow_untagged_set(payload, allow_untagged);
931 	mlxsw_reg_spaft_allow_prio_tagged_set(payload, true);
932 	mlxsw_reg_spaft_allow_tagged_set(payload, true);
933 }
934 
935 /* SFGC - Switch Flooding Group Configuration
936  * ------------------------------------------
937  * The following register controls the association of flooding tables and MIDs
938  * to packet types used for flooding.
939  */
940 #define MLXSW_REG_SFGC_ID 0x2011
941 #define MLXSW_REG_SFGC_LEN 0x10
942 
943 static const struct mlxsw_reg_info mlxsw_reg_sfgc = {
944 	.id = MLXSW_REG_SFGC_ID,
945 	.len = MLXSW_REG_SFGC_LEN,
946 };
947 
948 enum mlxsw_reg_sfgc_type {
949 	MLXSW_REG_SFGC_TYPE_BROADCAST,
950 	MLXSW_REG_SFGC_TYPE_UNKNOWN_UNICAST,
951 	MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV4,
952 	MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6,
953 	MLXSW_REG_SFGC_TYPE_RESERVED,
954 	MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_NON_IP,
955 	MLXSW_REG_SFGC_TYPE_IPV4_LINK_LOCAL,
956 	MLXSW_REG_SFGC_TYPE_IPV6_ALL_HOST,
957 	MLXSW_REG_SFGC_TYPE_MAX,
958 };
959 
960 /* reg_sfgc_type
961  * The traffic type to reach the flooding table.
962  * Access: Index
963  */
964 MLXSW_ITEM32(reg, sfgc, type, 0x00, 0, 4);
965 
966 enum mlxsw_reg_sfgc_bridge_type {
967 	MLXSW_REG_SFGC_BRIDGE_TYPE_1Q_FID = 0,
968 	MLXSW_REG_SFGC_BRIDGE_TYPE_VFID = 1,
969 };
970 
971 /* reg_sfgc_bridge_type
972  * Access: Index
973  *
974  * Note: SwitchX-2 only supports 802.1Q mode.
975  */
976 MLXSW_ITEM32(reg, sfgc, bridge_type, 0x04, 24, 3);
977 
978 enum mlxsw_flood_table_type {
979 	MLXSW_REG_SFGC_TABLE_TYPE_VID = 1,
980 	MLXSW_REG_SFGC_TABLE_TYPE_SINGLE = 2,
981 	MLXSW_REG_SFGC_TABLE_TYPE_ANY = 0,
982 	MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST = 3,
983 	MLXSW_REG_SFGC_TABLE_TYPE_FID = 4,
984 };
985 
986 /* reg_sfgc_table_type
987  * See mlxsw_flood_table_type
988  * Access: RW
989  *
990  * Note: FID offset and FID types are not supported in SwitchX-2.
991  */
992 MLXSW_ITEM32(reg, sfgc, table_type, 0x04, 16, 3);
993 
994 /* reg_sfgc_flood_table
995  * Flooding table index to associate with the specific type on the specific
996  * switch partition.
997  * Access: RW
998  */
999 MLXSW_ITEM32(reg, sfgc, flood_table, 0x04, 0, 6);
1000 
1001 /* reg_sfgc_mid
1002  * The multicast ID for the swid. Not supported for Spectrum
1003  * Access: RW
1004  */
1005 MLXSW_ITEM32(reg, sfgc, mid, 0x08, 0, 16);
1006 
1007 /* reg_sfgc_counter_set_type
1008  * Counter Set Type for flow counters.
1009  * Access: RW
1010  */
1011 MLXSW_ITEM32(reg, sfgc, counter_set_type, 0x0C, 24, 8);
1012 
1013 /* reg_sfgc_counter_index
1014  * Counter Index for flow counters.
1015  * Access: RW
1016  */
1017 MLXSW_ITEM32(reg, sfgc, counter_index, 0x0C, 0, 24);
1018 
1019 static inline void
1020 mlxsw_reg_sfgc_pack(char *payload, enum mlxsw_reg_sfgc_type type,
1021 		    enum mlxsw_reg_sfgc_bridge_type bridge_type,
1022 		    enum mlxsw_flood_table_type table_type,
1023 		    unsigned int flood_table)
1024 {
1025 	MLXSW_REG_ZERO(sfgc, payload);
1026 	mlxsw_reg_sfgc_type_set(payload, type);
1027 	mlxsw_reg_sfgc_bridge_type_set(payload, bridge_type);
1028 	mlxsw_reg_sfgc_table_type_set(payload, table_type);
1029 	mlxsw_reg_sfgc_flood_table_set(payload, flood_table);
1030 	mlxsw_reg_sfgc_mid_set(payload, MLXSW_PORT_MID);
1031 }
1032 
1033 /* SFTR - Switch Flooding Table Register
1034  * -------------------------------------
1035  * The switch flooding table is used for flooding packet replication. The table
1036  * defines a bit mask of ports for packet replication.
1037  */
1038 #define MLXSW_REG_SFTR_ID 0x2012
1039 #define MLXSW_REG_SFTR_LEN 0x420
1040 
1041 static const struct mlxsw_reg_info mlxsw_reg_sftr = {
1042 	.id = MLXSW_REG_SFTR_ID,
1043 	.len = MLXSW_REG_SFTR_LEN,
1044 };
1045 
1046 /* reg_sftr_swid
1047  * Switch partition ID with which to associate the port.
1048  * Access: Index
1049  */
1050 MLXSW_ITEM32(reg, sftr, swid, 0x00, 24, 8);
1051 
1052 /* reg_sftr_flood_table
1053  * Flooding table index to associate with the specific type on the specific
1054  * switch partition.
1055  * Access: Index
1056  */
1057 MLXSW_ITEM32(reg, sftr, flood_table, 0x00, 16, 6);
1058 
1059 /* reg_sftr_index
1060  * Index. Used as an index into the Flooding Table in case the table is
1061  * configured to use VID / FID or FID Offset.
1062  * Access: Index
1063  */
1064 MLXSW_ITEM32(reg, sftr, index, 0x00, 0, 16);
1065 
1066 /* reg_sftr_table_type
1067  * See mlxsw_flood_table_type
1068  * Access: RW
1069  */
1070 MLXSW_ITEM32(reg, sftr, table_type, 0x04, 16, 3);
1071 
1072 /* reg_sftr_range
1073  * Range of entries to update
1074  * Access: Index
1075  */
1076 MLXSW_ITEM32(reg, sftr, range, 0x04, 0, 16);
1077 
1078 /* reg_sftr_port
1079  * Local port membership (1 bit per port).
1080  * Access: RW
1081  */
1082 MLXSW_ITEM_BIT_ARRAY(reg, sftr, port, 0x20, 0x20, 1);
1083 
1084 /* reg_sftr_cpu_port_mask
1085  * CPU port mask (1 bit per port).
1086  * Access: W
1087  */
1088 MLXSW_ITEM_BIT_ARRAY(reg, sftr, port_mask, 0x220, 0x20, 1);
1089 
1090 static inline void mlxsw_reg_sftr_pack(char *payload,
1091 				       unsigned int flood_table,
1092 				       unsigned int index,
1093 				       enum mlxsw_flood_table_type table_type,
1094 				       unsigned int range, u8 port, bool set)
1095 {
1096 	MLXSW_REG_ZERO(sftr, payload);
1097 	mlxsw_reg_sftr_swid_set(payload, 0);
1098 	mlxsw_reg_sftr_flood_table_set(payload, flood_table);
1099 	mlxsw_reg_sftr_index_set(payload, index);
1100 	mlxsw_reg_sftr_table_type_set(payload, table_type);
1101 	mlxsw_reg_sftr_range_set(payload, range);
1102 	mlxsw_reg_sftr_port_set(payload, port, set);
1103 	mlxsw_reg_sftr_port_mask_set(payload, port, 1);
1104 }
1105 
1106 /* SFDF - Switch Filtering DB Flush
1107  * --------------------------------
1108  * The switch filtering DB flush register is used to flush the FDB.
1109  * Note that FDB notifications are flushed as well.
1110  */
1111 #define MLXSW_REG_SFDF_ID 0x2013
1112 #define MLXSW_REG_SFDF_LEN 0x14
1113 
1114 static const struct mlxsw_reg_info mlxsw_reg_sfdf = {
1115 	.id = MLXSW_REG_SFDF_ID,
1116 	.len = MLXSW_REG_SFDF_LEN,
1117 };
1118 
1119 /* reg_sfdf_swid
1120  * Switch partition ID.
1121  * Access: Index
1122  */
1123 MLXSW_ITEM32(reg, sfdf, swid, 0x00, 24, 8);
1124 
1125 enum mlxsw_reg_sfdf_flush_type {
1126 	MLXSW_REG_SFDF_FLUSH_PER_SWID,
1127 	MLXSW_REG_SFDF_FLUSH_PER_FID,
1128 	MLXSW_REG_SFDF_FLUSH_PER_PORT,
1129 	MLXSW_REG_SFDF_FLUSH_PER_PORT_AND_FID,
1130 	MLXSW_REG_SFDF_FLUSH_PER_LAG,
1131 	MLXSW_REG_SFDF_FLUSH_PER_LAG_AND_FID,
1132 };
1133 
1134 /* reg_sfdf_flush_type
1135  * Flush type.
1136  * 0 - All SWID dynamic entries are flushed.
1137  * 1 - All FID dynamic entries are flushed.
1138  * 2 - All dynamic entries pointing to port are flushed.
1139  * 3 - All FID dynamic entries pointing to port are flushed.
1140  * 4 - All dynamic entries pointing to LAG are flushed.
1141  * 5 - All FID dynamic entries pointing to LAG are flushed.
1142  * Access: RW
1143  */
1144 MLXSW_ITEM32(reg, sfdf, flush_type, 0x04, 28, 4);
1145 
1146 /* reg_sfdf_flush_static
1147  * Static.
1148  * 0 - Flush only dynamic entries.
1149  * 1 - Flush both dynamic and static entries.
1150  * Access: RW
1151  */
1152 MLXSW_ITEM32(reg, sfdf, flush_static, 0x04, 24, 1);
1153 
1154 static inline void mlxsw_reg_sfdf_pack(char *payload,
1155 				       enum mlxsw_reg_sfdf_flush_type type)
1156 {
1157 	MLXSW_REG_ZERO(sfdf, payload);
1158 	mlxsw_reg_sfdf_flush_type_set(payload, type);
1159 	mlxsw_reg_sfdf_flush_static_set(payload, true);
1160 }
1161 
1162 /* reg_sfdf_fid
1163  * FID to flush.
1164  * Access: RW
1165  */
1166 MLXSW_ITEM32(reg, sfdf, fid, 0x0C, 0, 16);
1167 
1168 /* reg_sfdf_system_port
1169  * Port to flush.
1170  * Access: RW
1171  */
1172 MLXSW_ITEM32(reg, sfdf, system_port, 0x0C, 0, 16);
1173 
1174 /* reg_sfdf_port_fid_system_port
1175  * Port to flush, pointed to by FID.
1176  * Access: RW
1177  */
1178 MLXSW_ITEM32(reg, sfdf, port_fid_system_port, 0x08, 0, 16);
1179 
1180 /* reg_sfdf_lag_id
1181  * LAG ID to flush.
1182  * Access: RW
1183  */
1184 MLXSW_ITEM32(reg, sfdf, lag_id, 0x0C, 0, 10);
1185 
1186 /* reg_sfdf_lag_fid_lag_id
1187  * LAG ID to flush, pointed to by FID.
1188  * Access: RW
1189  */
1190 MLXSW_ITEM32(reg, sfdf, lag_fid_lag_id, 0x08, 0, 10);
1191 
1192 /* SLDR - Switch LAG Descriptor Register
1193  * -----------------------------------------
1194  * The switch LAG descriptor register is populated by LAG descriptors.
1195  * Each LAG descriptor is indexed by lag_id. The LAG ID runs from 0 to
1196  * max_lag-1.
1197  */
1198 #define MLXSW_REG_SLDR_ID 0x2014
1199 #define MLXSW_REG_SLDR_LEN 0x0C /* counting in only one port in list */
1200 
1201 static const struct mlxsw_reg_info mlxsw_reg_sldr = {
1202 	.id = MLXSW_REG_SLDR_ID,
1203 	.len = MLXSW_REG_SLDR_LEN,
1204 };
1205 
1206 enum mlxsw_reg_sldr_op {
1207 	/* Indicates a creation of a new LAG-ID, lag_id must be valid */
1208 	MLXSW_REG_SLDR_OP_LAG_CREATE,
1209 	MLXSW_REG_SLDR_OP_LAG_DESTROY,
1210 	/* Ports that appear in the list have the Distributor enabled */
1211 	MLXSW_REG_SLDR_OP_LAG_ADD_PORT_LIST,
1212 	/* Removes ports from the disributor list */
1213 	MLXSW_REG_SLDR_OP_LAG_REMOVE_PORT_LIST,
1214 };
1215 
1216 /* reg_sldr_op
1217  * Operation.
1218  * Access: RW
1219  */
1220 MLXSW_ITEM32(reg, sldr, op, 0x00, 29, 3);
1221 
1222 /* reg_sldr_lag_id
1223  * LAG identifier. The lag_id is the index into the LAG descriptor table.
1224  * Access: Index
1225  */
1226 MLXSW_ITEM32(reg, sldr, lag_id, 0x00, 0, 10);
1227 
1228 static inline void mlxsw_reg_sldr_lag_create_pack(char *payload, u8 lag_id)
1229 {
1230 	MLXSW_REG_ZERO(sldr, payload);
1231 	mlxsw_reg_sldr_op_set(payload, MLXSW_REG_SLDR_OP_LAG_CREATE);
1232 	mlxsw_reg_sldr_lag_id_set(payload, lag_id);
1233 }
1234 
1235 static inline void mlxsw_reg_sldr_lag_destroy_pack(char *payload, u8 lag_id)
1236 {
1237 	MLXSW_REG_ZERO(sldr, payload);
1238 	mlxsw_reg_sldr_op_set(payload, MLXSW_REG_SLDR_OP_LAG_DESTROY);
1239 	mlxsw_reg_sldr_lag_id_set(payload, lag_id);
1240 }
1241 
1242 /* reg_sldr_num_ports
1243  * The number of member ports of the LAG.
1244  * Reserved for Create / Destroy operations
1245  * For Add / Remove operations - indicates the number of ports in the list.
1246  * Access: RW
1247  */
1248 MLXSW_ITEM32(reg, sldr, num_ports, 0x04, 24, 8);
1249 
1250 /* reg_sldr_system_port
1251  * System port.
1252  * Access: RW
1253  */
1254 MLXSW_ITEM32_INDEXED(reg, sldr, system_port, 0x08, 0, 16, 4, 0, false);
1255 
1256 static inline void mlxsw_reg_sldr_lag_add_port_pack(char *payload, u8 lag_id,
1257 						    u8 local_port)
1258 {
1259 	MLXSW_REG_ZERO(sldr, payload);
1260 	mlxsw_reg_sldr_op_set(payload, MLXSW_REG_SLDR_OP_LAG_ADD_PORT_LIST);
1261 	mlxsw_reg_sldr_lag_id_set(payload, lag_id);
1262 	mlxsw_reg_sldr_num_ports_set(payload, 1);
1263 	mlxsw_reg_sldr_system_port_set(payload, 0, local_port);
1264 }
1265 
1266 static inline void mlxsw_reg_sldr_lag_remove_port_pack(char *payload, u8 lag_id,
1267 						       u8 local_port)
1268 {
1269 	MLXSW_REG_ZERO(sldr, payload);
1270 	mlxsw_reg_sldr_op_set(payload, MLXSW_REG_SLDR_OP_LAG_REMOVE_PORT_LIST);
1271 	mlxsw_reg_sldr_lag_id_set(payload, lag_id);
1272 	mlxsw_reg_sldr_num_ports_set(payload, 1);
1273 	mlxsw_reg_sldr_system_port_set(payload, 0, local_port);
1274 }
1275 
1276 /* SLCR - Switch LAG Configuration 2 Register
1277  * -------------------------------------------
1278  * The Switch LAG Configuration register is used for configuring the
1279  * LAG properties of the switch.
1280  */
1281 #define MLXSW_REG_SLCR_ID 0x2015
1282 #define MLXSW_REG_SLCR_LEN 0x10
1283 
1284 static const struct mlxsw_reg_info mlxsw_reg_slcr = {
1285 	.id = MLXSW_REG_SLCR_ID,
1286 	.len = MLXSW_REG_SLCR_LEN,
1287 };
1288 
1289 enum mlxsw_reg_slcr_pp {
1290 	/* Global Configuration (for all ports) */
1291 	MLXSW_REG_SLCR_PP_GLOBAL,
1292 	/* Per port configuration, based on local_port field */
1293 	MLXSW_REG_SLCR_PP_PER_PORT,
1294 };
1295 
1296 /* reg_slcr_pp
1297  * Per Port Configuration
1298  * Note: Reading at Global mode results in reading port 1 configuration.
1299  * Access: Index
1300  */
1301 MLXSW_ITEM32(reg, slcr, pp, 0x00, 24, 1);
1302 
1303 /* reg_slcr_local_port
1304  * Local port number
1305  * Supported from CPU port
1306  * Not supported from router port
1307  * Reserved when pp = Global Configuration
1308  * Access: Index
1309  */
1310 MLXSW_ITEM32(reg, slcr, local_port, 0x00, 16, 8);
1311 
1312 enum mlxsw_reg_slcr_type {
1313 	MLXSW_REG_SLCR_TYPE_CRC, /* default */
1314 	MLXSW_REG_SLCR_TYPE_XOR,
1315 	MLXSW_REG_SLCR_TYPE_RANDOM,
1316 };
1317 
1318 /* reg_slcr_type
1319  * Hash type
1320  * Access: RW
1321  */
1322 MLXSW_ITEM32(reg, slcr, type, 0x00, 0, 4);
1323 
1324 /* Ingress port */
1325 #define MLXSW_REG_SLCR_LAG_HASH_IN_PORT		BIT(0)
1326 /* SMAC - for IPv4 and IPv6 packets */
1327 #define MLXSW_REG_SLCR_LAG_HASH_SMAC_IP		BIT(1)
1328 /* SMAC - for non-IP packets */
1329 #define MLXSW_REG_SLCR_LAG_HASH_SMAC_NONIP	BIT(2)
1330 #define MLXSW_REG_SLCR_LAG_HASH_SMAC \
1331 	(MLXSW_REG_SLCR_LAG_HASH_SMAC_IP | \
1332 	 MLXSW_REG_SLCR_LAG_HASH_SMAC_NONIP)
1333 /* DMAC - for IPv4 and IPv6 packets */
1334 #define MLXSW_REG_SLCR_LAG_HASH_DMAC_IP		BIT(3)
1335 /* DMAC - for non-IP packets */
1336 #define MLXSW_REG_SLCR_LAG_HASH_DMAC_NONIP	BIT(4)
1337 #define MLXSW_REG_SLCR_LAG_HASH_DMAC \
1338 	(MLXSW_REG_SLCR_LAG_HASH_DMAC_IP | \
1339 	 MLXSW_REG_SLCR_LAG_HASH_DMAC_NONIP)
1340 /* Ethertype - for IPv4 and IPv6 packets */
1341 #define MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE_IP	BIT(5)
1342 /* Ethertype - for non-IP packets */
1343 #define MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE_NONIP	BIT(6)
1344 #define MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE \
1345 	(MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE_IP | \
1346 	 MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE_NONIP)
1347 /* VLAN ID - for IPv4 and IPv6 packets */
1348 #define MLXSW_REG_SLCR_LAG_HASH_VLANID_IP	BIT(7)
1349 /* VLAN ID - for non-IP packets */
1350 #define MLXSW_REG_SLCR_LAG_HASH_VLANID_NONIP	BIT(8)
1351 #define MLXSW_REG_SLCR_LAG_HASH_VLANID \
1352 	(MLXSW_REG_SLCR_LAG_HASH_VLANID_IP | \
1353 	 MLXSW_REG_SLCR_LAG_HASH_VLANID_NONIP)
1354 /* Source IP address (can be IPv4 or IPv6) */
1355 #define MLXSW_REG_SLCR_LAG_HASH_SIP		BIT(9)
1356 /* Destination IP address (can be IPv4 or IPv6) */
1357 #define MLXSW_REG_SLCR_LAG_HASH_DIP		BIT(10)
1358 /* TCP/UDP source port */
1359 #define MLXSW_REG_SLCR_LAG_HASH_SPORT		BIT(11)
1360 /* TCP/UDP destination port*/
1361 #define MLXSW_REG_SLCR_LAG_HASH_DPORT		BIT(12)
1362 /* IPv4 Protocol/IPv6 Next Header */
1363 #define MLXSW_REG_SLCR_LAG_HASH_IPPROTO		BIT(13)
1364 /* IPv6 Flow label */
1365 #define MLXSW_REG_SLCR_LAG_HASH_FLOWLABEL	BIT(14)
1366 /* SID - FCoE source ID */
1367 #define MLXSW_REG_SLCR_LAG_HASH_FCOE_SID	BIT(15)
1368 /* DID - FCoE destination ID */
1369 #define MLXSW_REG_SLCR_LAG_HASH_FCOE_DID	BIT(16)
1370 /* OXID - FCoE originator exchange ID */
1371 #define MLXSW_REG_SLCR_LAG_HASH_FCOE_OXID	BIT(17)
1372 /* Destination QP number - for RoCE packets */
1373 #define MLXSW_REG_SLCR_LAG_HASH_ROCE_DQP	BIT(19)
1374 
1375 /* reg_slcr_lag_hash
1376  * LAG hashing configuration. This is a bitmask, in which each set
1377  * bit includes the corresponding item in the LAG hash calculation.
1378  * The default lag_hash contains SMAC, DMAC, VLANID and
1379  * Ethertype (for all packet types).
1380  * Access: RW
1381  */
1382 MLXSW_ITEM32(reg, slcr, lag_hash, 0x04, 0, 20);
1383 
1384 static inline void mlxsw_reg_slcr_pack(char *payload, u16 lag_hash)
1385 {
1386 	MLXSW_REG_ZERO(slcr, payload);
1387 	mlxsw_reg_slcr_pp_set(payload, MLXSW_REG_SLCR_PP_GLOBAL);
1388 	mlxsw_reg_slcr_type_set(payload, MLXSW_REG_SLCR_TYPE_XOR);
1389 	mlxsw_reg_slcr_lag_hash_set(payload, lag_hash);
1390 }
1391 
1392 /* SLCOR - Switch LAG Collector Register
1393  * -------------------------------------
1394  * The Switch LAG Collector register controls the Local Port membership
1395  * in a LAG and enablement of the collector.
1396  */
1397 #define MLXSW_REG_SLCOR_ID 0x2016
1398 #define MLXSW_REG_SLCOR_LEN 0x10
1399 
1400 static const struct mlxsw_reg_info mlxsw_reg_slcor = {
1401 	.id = MLXSW_REG_SLCOR_ID,
1402 	.len = MLXSW_REG_SLCOR_LEN,
1403 };
1404 
1405 enum mlxsw_reg_slcor_col {
1406 	/* Port is added with collector disabled */
1407 	MLXSW_REG_SLCOR_COL_LAG_ADD_PORT,
1408 	MLXSW_REG_SLCOR_COL_LAG_COLLECTOR_ENABLED,
1409 	MLXSW_REG_SLCOR_COL_LAG_COLLECTOR_DISABLED,
1410 	MLXSW_REG_SLCOR_COL_LAG_REMOVE_PORT,
1411 };
1412 
1413 /* reg_slcor_col
1414  * Collector configuration
1415  * Access: RW
1416  */
1417 MLXSW_ITEM32(reg, slcor, col, 0x00, 30, 2);
1418 
1419 /* reg_slcor_local_port
1420  * Local port number
1421  * Not supported for CPU port
1422  * Access: Index
1423  */
1424 MLXSW_ITEM32(reg, slcor, local_port, 0x00, 16, 8);
1425 
1426 /* reg_slcor_lag_id
1427  * LAG Identifier. Index into the LAG descriptor table.
1428  * Access: Index
1429  */
1430 MLXSW_ITEM32(reg, slcor, lag_id, 0x00, 0, 10);
1431 
1432 /* reg_slcor_port_index
1433  * Port index in the LAG list. Only valid on Add Port to LAG col.
1434  * Valid range is from 0 to cap_max_lag_members-1
1435  * Access: RW
1436  */
1437 MLXSW_ITEM32(reg, slcor, port_index, 0x04, 0, 10);
1438 
1439 static inline void mlxsw_reg_slcor_pack(char *payload,
1440 					u8 local_port, u16 lag_id,
1441 					enum mlxsw_reg_slcor_col col)
1442 {
1443 	MLXSW_REG_ZERO(slcor, payload);
1444 	mlxsw_reg_slcor_col_set(payload, col);
1445 	mlxsw_reg_slcor_local_port_set(payload, local_port);
1446 	mlxsw_reg_slcor_lag_id_set(payload, lag_id);
1447 }
1448 
1449 static inline void mlxsw_reg_slcor_port_add_pack(char *payload,
1450 						 u8 local_port, u16 lag_id,
1451 						 u8 port_index)
1452 {
1453 	mlxsw_reg_slcor_pack(payload, local_port, lag_id,
1454 			     MLXSW_REG_SLCOR_COL_LAG_ADD_PORT);
1455 	mlxsw_reg_slcor_port_index_set(payload, port_index);
1456 }
1457 
1458 static inline void mlxsw_reg_slcor_port_remove_pack(char *payload,
1459 						    u8 local_port, u16 lag_id)
1460 {
1461 	mlxsw_reg_slcor_pack(payload, local_port, lag_id,
1462 			     MLXSW_REG_SLCOR_COL_LAG_REMOVE_PORT);
1463 }
1464 
1465 static inline void mlxsw_reg_slcor_col_enable_pack(char *payload,
1466 						   u8 local_port, u16 lag_id)
1467 {
1468 	mlxsw_reg_slcor_pack(payload, local_port, lag_id,
1469 			     MLXSW_REG_SLCOR_COL_LAG_COLLECTOR_ENABLED);
1470 }
1471 
1472 static inline void mlxsw_reg_slcor_col_disable_pack(char *payload,
1473 						    u8 local_port, u16 lag_id)
1474 {
1475 	mlxsw_reg_slcor_pack(payload, local_port, lag_id,
1476 			     MLXSW_REG_SLCOR_COL_LAG_COLLECTOR_ENABLED);
1477 }
1478 
1479 /* SPMLR - Switch Port MAC Learning Register
1480  * -----------------------------------------
1481  * Controls the Switch MAC learning policy per port.
1482  */
1483 #define MLXSW_REG_SPMLR_ID 0x2018
1484 #define MLXSW_REG_SPMLR_LEN 0x8
1485 
1486 static const struct mlxsw_reg_info mlxsw_reg_spmlr = {
1487 	.id = MLXSW_REG_SPMLR_ID,
1488 	.len = MLXSW_REG_SPMLR_LEN,
1489 };
1490 
1491 /* reg_spmlr_local_port
1492  * Local port number.
1493  * Access: Index
1494  */
1495 MLXSW_ITEM32(reg, spmlr, local_port, 0x00, 16, 8);
1496 
1497 /* reg_spmlr_sub_port
1498  * Virtual port within the physical port.
1499  * Should be set to 0 when virtual ports are not enabled on the port.
1500  * Access: Index
1501  */
1502 MLXSW_ITEM32(reg, spmlr, sub_port, 0x00, 8, 8);
1503 
1504 enum mlxsw_reg_spmlr_learn_mode {
1505 	MLXSW_REG_SPMLR_LEARN_MODE_DISABLE = 0,
1506 	MLXSW_REG_SPMLR_LEARN_MODE_ENABLE = 2,
1507 	MLXSW_REG_SPMLR_LEARN_MODE_SEC = 3,
1508 };
1509 
1510 /* reg_spmlr_learn_mode
1511  * Learning mode on the port.
1512  * 0 - Learning disabled.
1513  * 2 - Learning enabled.
1514  * 3 - Security mode.
1515  *
1516  * In security mode the switch does not learn MACs on the port, but uses the
1517  * SMAC to see if it exists on another ingress port. If so, the packet is
1518  * classified as a bad packet and is discarded unless the software registers
1519  * to receive port security error packets usign HPKT.
1520  */
1521 MLXSW_ITEM32(reg, spmlr, learn_mode, 0x04, 30, 2);
1522 
1523 static inline void mlxsw_reg_spmlr_pack(char *payload, u8 local_port,
1524 					enum mlxsw_reg_spmlr_learn_mode mode)
1525 {
1526 	MLXSW_REG_ZERO(spmlr, payload);
1527 	mlxsw_reg_spmlr_local_port_set(payload, local_port);
1528 	mlxsw_reg_spmlr_sub_port_set(payload, 0);
1529 	mlxsw_reg_spmlr_learn_mode_set(payload, mode);
1530 }
1531 
1532 /* SVFA - Switch VID to FID Allocation Register
1533  * --------------------------------------------
1534  * Controls the VID to FID mapping and {Port, VID} to FID mapping for
1535  * virtualized ports.
1536  */
1537 #define MLXSW_REG_SVFA_ID 0x201C
1538 #define MLXSW_REG_SVFA_LEN 0x10
1539 
1540 static const struct mlxsw_reg_info mlxsw_reg_svfa = {
1541 	.id = MLXSW_REG_SVFA_ID,
1542 	.len = MLXSW_REG_SVFA_LEN,
1543 };
1544 
1545 /* reg_svfa_swid
1546  * Switch partition ID.
1547  * Access: Index
1548  */
1549 MLXSW_ITEM32(reg, svfa, swid, 0x00, 24, 8);
1550 
1551 /* reg_svfa_local_port
1552  * Local port number.
1553  * Access: Index
1554  *
1555  * Note: Reserved for 802.1Q FIDs.
1556  */
1557 MLXSW_ITEM32(reg, svfa, local_port, 0x00, 16, 8);
1558 
1559 enum mlxsw_reg_svfa_mt {
1560 	MLXSW_REG_SVFA_MT_VID_TO_FID,
1561 	MLXSW_REG_SVFA_MT_PORT_VID_TO_FID,
1562 };
1563 
1564 /* reg_svfa_mapping_table
1565  * Mapping table:
1566  * 0 - VID to FID
1567  * 1 - {Port, VID} to FID
1568  * Access: Index
1569  *
1570  * Note: Reserved for SwitchX-2.
1571  */
1572 MLXSW_ITEM32(reg, svfa, mapping_table, 0x00, 8, 3);
1573 
1574 /* reg_svfa_v
1575  * Valid.
1576  * Valid if set.
1577  * Access: RW
1578  *
1579  * Note: Reserved for SwitchX-2.
1580  */
1581 MLXSW_ITEM32(reg, svfa, v, 0x00, 0, 1);
1582 
1583 /* reg_svfa_fid
1584  * Filtering ID.
1585  * Access: RW
1586  */
1587 MLXSW_ITEM32(reg, svfa, fid, 0x04, 16, 16);
1588 
1589 /* reg_svfa_vid
1590  * VLAN ID.
1591  * Access: Index
1592  */
1593 MLXSW_ITEM32(reg, svfa, vid, 0x04, 0, 12);
1594 
1595 /* reg_svfa_counter_set_type
1596  * Counter set type for flow counters.
1597  * Access: RW
1598  *
1599  * Note: Reserved for SwitchX-2.
1600  */
1601 MLXSW_ITEM32(reg, svfa, counter_set_type, 0x08, 24, 8);
1602 
1603 /* reg_svfa_counter_index
1604  * Counter index for flow counters.
1605  * Access: RW
1606  *
1607  * Note: Reserved for SwitchX-2.
1608  */
1609 MLXSW_ITEM32(reg, svfa, counter_index, 0x08, 0, 24);
1610 
1611 static inline void mlxsw_reg_svfa_pack(char *payload, u8 local_port,
1612 				       enum mlxsw_reg_svfa_mt mt, bool valid,
1613 				       u16 fid, u16 vid)
1614 {
1615 	MLXSW_REG_ZERO(svfa, payload);
1616 	local_port = mt == MLXSW_REG_SVFA_MT_VID_TO_FID ? 0 : local_port;
1617 	mlxsw_reg_svfa_swid_set(payload, 0);
1618 	mlxsw_reg_svfa_local_port_set(payload, local_port);
1619 	mlxsw_reg_svfa_mapping_table_set(payload, mt);
1620 	mlxsw_reg_svfa_v_set(payload, valid);
1621 	mlxsw_reg_svfa_fid_set(payload, fid);
1622 	mlxsw_reg_svfa_vid_set(payload, vid);
1623 }
1624 
1625 /* SVPE - Switch Virtual-Port Enabling Register
1626  * --------------------------------------------
1627  * Enables port virtualization.
1628  */
1629 #define MLXSW_REG_SVPE_ID 0x201E
1630 #define MLXSW_REG_SVPE_LEN 0x4
1631 
1632 static const struct mlxsw_reg_info mlxsw_reg_svpe = {
1633 	.id = MLXSW_REG_SVPE_ID,
1634 	.len = MLXSW_REG_SVPE_LEN,
1635 };
1636 
1637 /* reg_svpe_local_port
1638  * Local port number
1639  * Access: Index
1640  *
1641  * Note: CPU port is not supported (uses VLAN mode only).
1642  */
1643 MLXSW_ITEM32(reg, svpe, local_port, 0x00, 16, 8);
1644 
1645 /* reg_svpe_vp_en
1646  * Virtual port enable.
1647  * 0 - Disable, VLAN mode (VID to FID).
1648  * 1 - Enable, Virtual port mode ({Port, VID} to FID).
1649  * Access: RW
1650  */
1651 MLXSW_ITEM32(reg, svpe, vp_en, 0x00, 8, 1);
1652 
1653 static inline void mlxsw_reg_svpe_pack(char *payload, u8 local_port,
1654 				       bool enable)
1655 {
1656 	MLXSW_REG_ZERO(svpe, payload);
1657 	mlxsw_reg_svpe_local_port_set(payload, local_port);
1658 	mlxsw_reg_svpe_vp_en_set(payload, enable);
1659 }
1660 
1661 /* SFMR - Switch FID Management Register
1662  * -------------------------------------
1663  * Creates and configures FIDs.
1664  */
1665 #define MLXSW_REG_SFMR_ID 0x201F
1666 #define MLXSW_REG_SFMR_LEN 0x18
1667 
1668 static const struct mlxsw_reg_info mlxsw_reg_sfmr = {
1669 	.id = MLXSW_REG_SFMR_ID,
1670 	.len = MLXSW_REG_SFMR_LEN,
1671 };
1672 
1673 enum mlxsw_reg_sfmr_op {
1674 	MLXSW_REG_SFMR_OP_CREATE_FID,
1675 	MLXSW_REG_SFMR_OP_DESTROY_FID,
1676 };
1677 
1678 /* reg_sfmr_op
1679  * Operation.
1680  * 0 - Create or edit FID.
1681  * 1 - Destroy FID.
1682  * Access: WO
1683  */
1684 MLXSW_ITEM32(reg, sfmr, op, 0x00, 24, 4);
1685 
1686 /* reg_sfmr_fid
1687  * Filtering ID.
1688  * Access: Index
1689  */
1690 MLXSW_ITEM32(reg, sfmr, fid, 0x00, 0, 16);
1691 
1692 /* reg_sfmr_fid_offset
1693  * FID offset.
1694  * Used to point into the flooding table selected by SFGC register if
1695  * the table is of type FID-Offset. Otherwise, this field is reserved.
1696  * Access: RW
1697  */
1698 MLXSW_ITEM32(reg, sfmr, fid_offset, 0x08, 0, 16);
1699 
1700 /* reg_sfmr_vtfp
1701  * Valid Tunnel Flood Pointer.
1702  * If not set, then nve_tunnel_flood_ptr is reserved and considered NULL.
1703  * Access: RW
1704  *
1705  * Note: Reserved for 802.1Q FIDs.
1706  */
1707 MLXSW_ITEM32(reg, sfmr, vtfp, 0x0C, 31, 1);
1708 
1709 /* reg_sfmr_nve_tunnel_flood_ptr
1710  * Underlay Flooding and BC Pointer.
1711  * Used as a pointer to the first entry of the group based link lists of
1712  * flooding or BC entries (for NVE tunnels).
1713  * Access: RW
1714  */
1715 MLXSW_ITEM32(reg, sfmr, nve_tunnel_flood_ptr, 0x0C, 0, 24);
1716 
1717 /* reg_sfmr_vv
1718  * VNI Valid.
1719  * If not set, then vni is reserved.
1720  * Access: RW
1721  *
1722  * Note: Reserved for 802.1Q FIDs.
1723  */
1724 MLXSW_ITEM32(reg, sfmr, vv, 0x10, 31, 1);
1725 
1726 /* reg_sfmr_vni
1727  * Virtual Network Identifier.
1728  * Access: RW
1729  *
1730  * Note: A given VNI can only be assigned to one FID.
1731  */
1732 MLXSW_ITEM32(reg, sfmr, vni, 0x10, 0, 24);
1733 
1734 static inline void mlxsw_reg_sfmr_pack(char *payload,
1735 				       enum mlxsw_reg_sfmr_op op, u16 fid,
1736 				       u16 fid_offset)
1737 {
1738 	MLXSW_REG_ZERO(sfmr, payload);
1739 	mlxsw_reg_sfmr_op_set(payload, op);
1740 	mlxsw_reg_sfmr_fid_set(payload, fid);
1741 	mlxsw_reg_sfmr_fid_offset_set(payload, fid_offset);
1742 	mlxsw_reg_sfmr_vtfp_set(payload, false);
1743 	mlxsw_reg_sfmr_vv_set(payload, false);
1744 }
1745 
1746 /* SPVMLR - Switch Port VLAN MAC Learning Register
1747  * -----------------------------------------------
1748  * Controls the switch MAC learning policy per {Port, VID}.
1749  */
1750 #define MLXSW_REG_SPVMLR_ID 0x2020
1751 #define MLXSW_REG_SPVMLR_BASE_LEN 0x04 /* base length, without records */
1752 #define MLXSW_REG_SPVMLR_REC_LEN 0x04 /* record length */
1753 #define MLXSW_REG_SPVMLR_REC_MAX_COUNT 256
1754 #define MLXSW_REG_SPVMLR_LEN (MLXSW_REG_SPVMLR_BASE_LEN + \
1755 			      MLXSW_REG_SPVMLR_REC_LEN * \
1756 			      MLXSW_REG_SPVMLR_REC_MAX_COUNT)
1757 
1758 static const struct mlxsw_reg_info mlxsw_reg_spvmlr = {
1759 	.id = MLXSW_REG_SPVMLR_ID,
1760 	.len = MLXSW_REG_SPVMLR_LEN,
1761 };
1762 
1763 /* reg_spvmlr_local_port
1764  * Local ingress port.
1765  * Access: Index
1766  *
1767  * Note: CPU port is not supported.
1768  */
1769 MLXSW_ITEM32(reg, spvmlr, local_port, 0x00, 16, 8);
1770 
1771 /* reg_spvmlr_num_rec
1772  * Number of records to update.
1773  * Access: OP
1774  */
1775 MLXSW_ITEM32(reg, spvmlr, num_rec, 0x00, 0, 8);
1776 
1777 /* reg_spvmlr_rec_learn_enable
1778  * 0 - Disable learning for {Port, VID}.
1779  * 1 - Enable learning for {Port, VID}.
1780  * Access: RW
1781  */
1782 MLXSW_ITEM32_INDEXED(reg, spvmlr, rec_learn_enable, MLXSW_REG_SPVMLR_BASE_LEN,
1783 		     31, 1, MLXSW_REG_SPVMLR_REC_LEN, 0x00, false);
1784 
1785 /* reg_spvmlr_rec_vid
1786  * VLAN ID to be added/removed from port or for querying.
1787  * Access: Index
1788  */
1789 MLXSW_ITEM32_INDEXED(reg, spvmlr, rec_vid, MLXSW_REG_SPVMLR_BASE_LEN, 0, 12,
1790 		     MLXSW_REG_SPVMLR_REC_LEN, 0x00, false);
1791 
1792 static inline void mlxsw_reg_spvmlr_pack(char *payload, u8 local_port,
1793 					 u16 vid_begin, u16 vid_end,
1794 					 bool learn_enable)
1795 {
1796 	int num_rec = vid_end - vid_begin + 1;
1797 	int i;
1798 
1799 	WARN_ON(num_rec < 1 || num_rec > MLXSW_REG_SPVMLR_REC_MAX_COUNT);
1800 
1801 	MLXSW_REG_ZERO(spvmlr, payload);
1802 	mlxsw_reg_spvmlr_local_port_set(payload, local_port);
1803 	mlxsw_reg_spvmlr_num_rec_set(payload, num_rec);
1804 
1805 	for (i = 0; i < num_rec; i++) {
1806 		mlxsw_reg_spvmlr_rec_learn_enable_set(payload, i, learn_enable);
1807 		mlxsw_reg_spvmlr_rec_vid_set(payload, i, vid_begin + i);
1808 	}
1809 }
1810 
1811 /* QTCT - QoS Switch Traffic Class Table
1812  * -------------------------------------
1813  * Configures the mapping between the packet switch priority and the
1814  * traffic class on the transmit port.
1815  */
1816 #define MLXSW_REG_QTCT_ID 0x400A
1817 #define MLXSW_REG_QTCT_LEN 0x08
1818 
1819 static const struct mlxsw_reg_info mlxsw_reg_qtct = {
1820 	.id = MLXSW_REG_QTCT_ID,
1821 	.len = MLXSW_REG_QTCT_LEN,
1822 };
1823 
1824 /* reg_qtct_local_port
1825  * Local port number.
1826  * Access: Index
1827  *
1828  * Note: CPU port is not supported.
1829  */
1830 MLXSW_ITEM32(reg, qtct, local_port, 0x00, 16, 8);
1831 
1832 /* reg_qtct_sub_port
1833  * Virtual port within the physical port.
1834  * Should be set to 0 when virtual ports are not enabled on the port.
1835  * Access: Index
1836  */
1837 MLXSW_ITEM32(reg, qtct, sub_port, 0x00, 8, 8);
1838 
1839 /* reg_qtct_switch_prio
1840  * Switch priority.
1841  * Access: Index
1842  */
1843 MLXSW_ITEM32(reg, qtct, switch_prio, 0x00, 0, 4);
1844 
1845 /* reg_qtct_tclass
1846  * Traffic class.
1847  * Default values:
1848  * switch_prio 0 : tclass 1
1849  * switch_prio 1 : tclass 0
1850  * switch_prio i : tclass i, for i > 1
1851  * Access: RW
1852  */
1853 MLXSW_ITEM32(reg, qtct, tclass, 0x04, 0, 4);
1854 
1855 static inline void mlxsw_reg_qtct_pack(char *payload, u8 local_port,
1856 				       u8 switch_prio, u8 tclass)
1857 {
1858 	MLXSW_REG_ZERO(qtct, payload);
1859 	mlxsw_reg_qtct_local_port_set(payload, local_port);
1860 	mlxsw_reg_qtct_switch_prio_set(payload, switch_prio);
1861 	mlxsw_reg_qtct_tclass_set(payload, tclass);
1862 }
1863 
1864 /* QEEC - QoS ETS Element Configuration Register
1865  * ---------------------------------------------
1866  * Configures the ETS elements.
1867  */
1868 #define MLXSW_REG_QEEC_ID 0x400D
1869 #define MLXSW_REG_QEEC_LEN 0x1C
1870 
1871 static const struct mlxsw_reg_info mlxsw_reg_qeec = {
1872 	.id = MLXSW_REG_QEEC_ID,
1873 	.len = MLXSW_REG_QEEC_LEN,
1874 };
1875 
1876 /* reg_qeec_local_port
1877  * Local port number.
1878  * Access: Index
1879  *
1880  * Note: CPU port is supported.
1881  */
1882 MLXSW_ITEM32(reg, qeec, local_port, 0x00, 16, 8);
1883 
1884 enum mlxsw_reg_qeec_hr {
1885 	MLXSW_REG_QEEC_HIERARCY_PORT,
1886 	MLXSW_REG_QEEC_HIERARCY_GROUP,
1887 	MLXSW_REG_QEEC_HIERARCY_SUBGROUP,
1888 	MLXSW_REG_QEEC_HIERARCY_TC,
1889 };
1890 
1891 /* reg_qeec_element_hierarchy
1892  * 0 - Port
1893  * 1 - Group
1894  * 2 - Subgroup
1895  * 3 - Traffic Class
1896  * Access: Index
1897  */
1898 MLXSW_ITEM32(reg, qeec, element_hierarchy, 0x04, 16, 4);
1899 
1900 /* reg_qeec_element_index
1901  * The index of the element in the hierarchy.
1902  * Access: Index
1903  */
1904 MLXSW_ITEM32(reg, qeec, element_index, 0x04, 0, 8);
1905 
1906 /* reg_qeec_next_element_index
1907  * The index of the next (lower) element in the hierarchy.
1908  * Access: RW
1909  *
1910  * Note: Reserved for element_hierarchy 0.
1911  */
1912 MLXSW_ITEM32(reg, qeec, next_element_index, 0x08, 0, 8);
1913 
1914 enum {
1915 	MLXSW_REG_QEEC_BYTES_MODE,
1916 	MLXSW_REG_QEEC_PACKETS_MODE,
1917 };
1918 
1919 /* reg_qeec_pb
1920  * Packets or bytes mode.
1921  * 0 - Bytes mode
1922  * 1 - Packets mode
1923  * Access: RW
1924  *
1925  * Note: Used for max shaper configuration. For Spectrum, packets mode
1926  * is supported only for traffic classes of CPU port.
1927  */
1928 MLXSW_ITEM32(reg, qeec, pb, 0x0C, 28, 1);
1929 
1930 /* reg_qeec_mase
1931  * Max shaper configuration enable. Enables configuration of the max
1932  * shaper on this ETS element.
1933  * 0 - Disable
1934  * 1 - Enable
1935  * Access: RW
1936  */
1937 MLXSW_ITEM32(reg, qeec, mase, 0x10, 31, 1);
1938 
1939 /* A large max rate will disable the max shaper. */
1940 #define MLXSW_REG_QEEC_MAS_DIS	200000000	/* Kbps */
1941 
1942 /* reg_qeec_max_shaper_rate
1943  * Max shaper information rate.
1944  * For CPU port, can only be configured for port hierarchy.
1945  * When in bytes mode, value is specified in units of 1000bps.
1946  * Access: RW
1947  */
1948 MLXSW_ITEM32(reg, qeec, max_shaper_rate, 0x10, 0, 28);
1949 
1950 /* reg_qeec_de
1951  * DWRR configuration enable. Enables configuration of the dwrr and
1952  * dwrr_weight.
1953  * 0 - Disable
1954  * 1 - Enable
1955  * Access: RW
1956  */
1957 MLXSW_ITEM32(reg, qeec, de, 0x18, 31, 1);
1958 
1959 /* reg_qeec_dwrr
1960  * Transmission selection algorithm to use on the link going down from
1961  * the ETS element.
1962  * 0 - Strict priority
1963  * 1 - DWRR
1964  * Access: RW
1965  */
1966 MLXSW_ITEM32(reg, qeec, dwrr, 0x18, 15, 1);
1967 
1968 /* reg_qeec_dwrr_weight
1969  * DWRR weight on the link going down from the ETS element. The
1970  * percentage of bandwidth guaranteed to an ETS element within
1971  * its hierarchy. The sum of all weights across all ETS elements
1972  * within one hierarchy should be equal to 100. Reserved when
1973  * transmission selection algorithm is strict priority.
1974  * Access: RW
1975  */
1976 MLXSW_ITEM32(reg, qeec, dwrr_weight, 0x18, 0, 8);
1977 
1978 static inline void mlxsw_reg_qeec_pack(char *payload, u8 local_port,
1979 				       enum mlxsw_reg_qeec_hr hr, u8 index,
1980 				       u8 next_index)
1981 {
1982 	MLXSW_REG_ZERO(qeec, payload);
1983 	mlxsw_reg_qeec_local_port_set(payload, local_port);
1984 	mlxsw_reg_qeec_element_hierarchy_set(payload, hr);
1985 	mlxsw_reg_qeec_element_index_set(payload, index);
1986 	mlxsw_reg_qeec_next_element_index_set(payload, next_index);
1987 }
1988 
1989 /* PMLP - Ports Module to Local Port Register
1990  * ------------------------------------------
1991  * Configures the assignment of modules to local ports.
1992  */
1993 #define MLXSW_REG_PMLP_ID 0x5002
1994 #define MLXSW_REG_PMLP_LEN 0x40
1995 
1996 static const struct mlxsw_reg_info mlxsw_reg_pmlp = {
1997 	.id = MLXSW_REG_PMLP_ID,
1998 	.len = MLXSW_REG_PMLP_LEN,
1999 };
2000 
2001 /* reg_pmlp_rxtx
2002  * 0 - Tx value is used for both Tx and Rx.
2003  * 1 - Rx value is taken from a separte field.
2004  * Access: RW
2005  */
2006 MLXSW_ITEM32(reg, pmlp, rxtx, 0x00, 31, 1);
2007 
2008 /* reg_pmlp_local_port
2009  * Local port number.
2010  * Access: Index
2011  */
2012 MLXSW_ITEM32(reg, pmlp, local_port, 0x00, 16, 8);
2013 
2014 /* reg_pmlp_width
2015  * 0 - Unmap local port.
2016  * 1 - Lane 0 is used.
2017  * 2 - Lanes 0 and 1 are used.
2018  * 4 - Lanes 0, 1, 2 and 3 are used.
2019  * Access: RW
2020  */
2021 MLXSW_ITEM32(reg, pmlp, width, 0x00, 0, 8);
2022 
2023 /* reg_pmlp_module
2024  * Module number.
2025  * Access: RW
2026  */
2027 MLXSW_ITEM32_INDEXED(reg, pmlp, module, 0x04, 0, 8, 0x04, 0x00, false);
2028 
2029 /* reg_pmlp_tx_lane
2030  * Tx Lane. When rxtx field is cleared, this field is used for Rx as well.
2031  * Access: RW
2032  */
2033 MLXSW_ITEM32_INDEXED(reg, pmlp, tx_lane, 0x04, 16, 2, 0x04, 0x00, false);
2034 
2035 /* reg_pmlp_rx_lane
2036  * Rx Lane. When rxtx field is cleared, this field is ignored and Rx lane is
2037  * equal to Tx lane.
2038  * Access: RW
2039  */
2040 MLXSW_ITEM32_INDEXED(reg, pmlp, rx_lane, 0x04, 24, 2, 0x04, 0x00, false);
2041 
2042 static inline void mlxsw_reg_pmlp_pack(char *payload, u8 local_port)
2043 {
2044 	MLXSW_REG_ZERO(pmlp, payload);
2045 	mlxsw_reg_pmlp_local_port_set(payload, local_port);
2046 }
2047 
2048 /* PMTU - Port MTU Register
2049  * ------------------------
2050  * Configures and reports the port MTU.
2051  */
2052 #define MLXSW_REG_PMTU_ID 0x5003
2053 #define MLXSW_REG_PMTU_LEN 0x10
2054 
2055 static const struct mlxsw_reg_info mlxsw_reg_pmtu = {
2056 	.id = MLXSW_REG_PMTU_ID,
2057 	.len = MLXSW_REG_PMTU_LEN,
2058 };
2059 
2060 /* reg_pmtu_local_port
2061  * Local port number.
2062  * Access: Index
2063  */
2064 MLXSW_ITEM32(reg, pmtu, local_port, 0x00, 16, 8);
2065 
2066 /* reg_pmtu_max_mtu
2067  * Maximum MTU.
2068  * When port type (e.g. Ethernet) is configured, the relevant MTU is
2069  * reported, otherwise the minimum between the max_mtu of the different
2070  * types is reported.
2071  * Access: RO
2072  */
2073 MLXSW_ITEM32(reg, pmtu, max_mtu, 0x04, 16, 16);
2074 
2075 /* reg_pmtu_admin_mtu
2076  * MTU value to set port to. Must be smaller or equal to max_mtu.
2077  * Note: If port type is Infiniband, then port must be disabled, when its
2078  * MTU is set.
2079  * Access: RW
2080  */
2081 MLXSW_ITEM32(reg, pmtu, admin_mtu, 0x08, 16, 16);
2082 
2083 /* reg_pmtu_oper_mtu
2084  * The actual MTU configured on the port. Packets exceeding this size
2085  * will be dropped.
2086  * Note: In Ethernet and FC oper_mtu == admin_mtu, however, in Infiniband
2087  * oper_mtu might be smaller than admin_mtu.
2088  * Access: RO
2089  */
2090 MLXSW_ITEM32(reg, pmtu, oper_mtu, 0x0C, 16, 16);
2091 
2092 static inline void mlxsw_reg_pmtu_pack(char *payload, u8 local_port,
2093 				       u16 new_mtu)
2094 {
2095 	MLXSW_REG_ZERO(pmtu, payload);
2096 	mlxsw_reg_pmtu_local_port_set(payload, local_port);
2097 	mlxsw_reg_pmtu_max_mtu_set(payload, 0);
2098 	mlxsw_reg_pmtu_admin_mtu_set(payload, new_mtu);
2099 	mlxsw_reg_pmtu_oper_mtu_set(payload, 0);
2100 }
2101 
2102 /* PTYS - Port Type and Speed Register
2103  * -----------------------------------
2104  * Configures and reports the port speed type.
2105  *
2106  * Note: When set while the link is up, the changes will not take effect
2107  * until the port transitions from down to up state.
2108  */
2109 #define MLXSW_REG_PTYS_ID 0x5004
2110 #define MLXSW_REG_PTYS_LEN 0x40
2111 
2112 static const struct mlxsw_reg_info mlxsw_reg_ptys = {
2113 	.id = MLXSW_REG_PTYS_ID,
2114 	.len = MLXSW_REG_PTYS_LEN,
2115 };
2116 
2117 /* reg_ptys_local_port
2118  * Local port number.
2119  * Access: Index
2120  */
2121 MLXSW_ITEM32(reg, ptys, local_port, 0x00, 16, 8);
2122 
2123 #define MLXSW_REG_PTYS_PROTO_MASK_ETH	BIT(2)
2124 
2125 /* reg_ptys_proto_mask
2126  * Protocol mask. Indicates which protocol is used.
2127  * 0 - Infiniband.
2128  * 1 - Fibre Channel.
2129  * 2 - Ethernet.
2130  * Access: Index
2131  */
2132 MLXSW_ITEM32(reg, ptys, proto_mask, 0x00, 0, 3);
2133 
2134 #define MLXSW_REG_PTYS_ETH_SPEED_SGMII			BIT(0)
2135 #define MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX		BIT(1)
2136 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4		BIT(2)
2137 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4		BIT(3)
2138 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR		BIT(4)
2139 #define MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2		BIT(5)
2140 #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4		BIT(6)
2141 #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4		BIT(7)
2142 #define MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4		BIT(8)
2143 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR		BIT(12)
2144 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR		BIT(13)
2145 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR		BIT(14)
2146 #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4		BIT(15)
2147 #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4	BIT(16)
2148 #define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR4		BIT(19)
2149 #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4		BIT(20)
2150 #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4		BIT(21)
2151 #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4		BIT(22)
2152 #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4	BIT(23)
2153 #define MLXSW_REG_PTYS_ETH_SPEED_100BASE_TX		BIT(24)
2154 #define MLXSW_REG_PTYS_ETH_SPEED_100BASE_T		BIT(25)
2155 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T		BIT(26)
2156 #define MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR		BIT(27)
2157 #define MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR		BIT(28)
2158 #define MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR		BIT(29)
2159 #define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2		BIT(30)
2160 #define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2		BIT(31)
2161 
2162 /* reg_ptys_eth_proto_cap
2163  * Ethernet port supported speeds and protocols.
2164  * Access: RO
2165  */
2166 MLXSW_ITEM32(reg, ptys, eth_proto_cap, 0x0C, 0, 32);
2167 
2168 /* reg_ptys_eth_proto_admin
2169  * Speed and protocol to set port to.
2170  * Access: RW
2171  */
2172 MLXSW_ITEM32(reg, ptys, eth_proto_admin, 0x18, 0, 32);
2173 
2174 /* reg_ptys_eth_proto_oper
2175  * The current speed and protocol configured for the port.
2176  * Access: RO
2177  */
2178 MLXSW_ITEM32(reg, ptys, eth_proto_oper, 0x24, 0, 32);
2179 
2180 static inline void mlxsw_reg_ptys_pack(char *payload, u8 local_port,
2181 				       u32 proto_admin)
2182 {
2183 	MLXSW_REG_ZERO(ptys, payload);
2184 	mlxsw_reg_ptys_local_port_set(payload, local_port);
2185 	mlxsw_reg_ptys_proto_mask_set(payload, MLXSW_REG_PTYS_PROTO_MASK_ETH);
2186 	mlxsw_reg_ptys_eth_proto_admin_set(payload, proto_admin);
2187 }
2188 
2189 static inline void mlxsw_reg_ptys_unpack(char *payload, u32 *p_eth_proto_cap,
2190 					 u32 *p_eth_proto_adm,
2191 					 u32 *p_eth_proto_oper)
2192 {
2193 	if (p_eth_proto_cap)
2194 		*p_eth_proto_cap = mlxsw_reg_ptys_eth_proto_cap_get(payload);
2195 	if (p_eth_proto_adm)
2196 		*p_eth_proto_adm = mlxsw_reg_ptys_eth_proto_admin_get(payload);
2197 	if (p_eth_proto_oper)
2198 		*p_eth_proto_oper = mlxsw_reg_ptys_eth_proto_oper_get(payload);
2199 }
2200 
2201 /* PPAD - Port Physical Address Register
2202  * -------------------------------------
2203  * The PPAD register configures the per port physical MAC address.
2204  */
2205 #define MLXSW_REG_PPAD_ID 0x5005
2206 #define MLXSW_REG_PPAD_LEN 0x10
2207 
2208 static const struct mlxsw_reg_info mlxsw_reg_ppad = {
2209 	.id = MLXSW_REG_PPAD_ID,
2210 	.len = MLXSW_REG_PPAD_LEN,
2211 };
2212 
2213 /* reg_ppad_single_base_mac
2214  * 0: base_mac, local port should be 0 and mac[7:0] is
2215  * reserved. HW will set incremental
2216  * 1: single_mac - mac of the local_port
2217  * Access: RW
2218  */
2219 MLXSW_ITEM32(reg, ppad, single_base_mac, 0x00, 28, 1);
2220 
2221 /* reg_ppad_local_port
2222  * port number, if single_base_mac = 0 then local_port is reserved
2223  * Access: RW
2224  */
2225 MLXSW_ITEM32(reg, ppad, local_port, 0x00, 16, 8);
2226 
2227 /* reg_ppad_mac
2228  * If single_base_mac = 0 - base MAC address, mac[7:0] is reserved.
2229  * If single_base_mac = 1 - the per port MAC address
2230  * Access: RW
2231  */
2232 MLXSW_ITEM_BUF(reg, ppad, mac, 0x02, 6);
2233 
2234 static inline void mlxsw_reg_ppad_pack(char *payload, bool single_base_mac,
2235 				       u8 local_port)
2236 {
2237 	MLXSW_REG_ZERO(ppad, payload);
2238 	mlxsw_reg_ppad_single_base_mac_set(payload, !!single_base_mac);
2239 	mlxsw_reg_ppad_local_port_set(payload, local_port);
2240 }
2241 
2242 /* PAOS - Ports Administrative and Operational Status Register
2243  * -----------------------------------------------------------
2244  * Configures and retrieves per port administrative and operational status.
2245  */
2246 #define MLXSW_REG_PAOS_ID 0x5006
2247 #define MLXSW_REG_PAOS_LEN 0x10
2248 
2249 static const struct mlxsw_reg_info mlxsw_reg_paos = {
2250 	.id = MLXSW_REG_PAOS_ID,
2251 	.len = MLXSW_REG_PAOS_LEN,
2252 };
2253 
2254 /* reg_paos_swid
2255  * Switch partition ID with which to associate the port.
2256  * Note: while external ports uses unique local port numbers (and thus swid is
2257  * redundant), router ports use the same local port number where swid is the
2258  * only indication for the relevant port.
2259  * Access: Index
2260  */
2261 MLXSW_ITEM32(reg, paos, swid, 0x00, 24, 8);
2262 
2263 /* reg_paos_local_port
2264  * Local port number.
2265  * Access: Index
2266  */
2267 MLXSW_ITEM32(reg, paos, local_port, 0x00, 16, 8);
2268 
2269 /* reg_paos_admin_status
2270  * Port administrative state (the desired state of the port):
2271  * 1 - Up.
2272  * 2 - Down.
2273  * 3 - Up once. This means that in case of link failure, the port won't go
2274  *     into polling mode, but will wait to be re-enabled by software.
2275  * 4 - Disabled by system. Can only be set by hardware.
2276  * Access: RW
2277  */
2278 MLXSW_ITEM32(reg, paos, admin_status, 0x00, 8, 4);
2279 
2280 /* reg_paos_oper_status
2281  * Port operational state (the current state):
2282  * 1 - Up.
2283  * 2 - Down.
2284  * 3 - Down by port failure. This means that the device will not let the
2285  *     port up again until explicitly specified by software.
2286  * Access: RO
2287  */
2288 MLXSW_ITEM32(reg, paos, oper_status, 0x00, 0, 4);
2289 
2290 /* reg_paos_ase
2291  * Admin state update enabled.
2292  * Access: WO
2293  */
2294 MLXSW_ITEM32(reg, paos, ase, 0x04, 31, 1);
2295 
2296 /* reg_paos_ee
2297  * Event update enable. If this bit is set, event generation will be
2298  * updated based on the e field.
2299  * Access: WO
2300  */
2301 MLXSW_ITEM32(reg, paos, ee, 0x04, 30, 1);
2302 
2303 /* reg_paos_e
2304  * Event generation on operational state change:
2305  * 0 - Do not generate event.
2306  * 1 - Generate Event.
2307  * 2 - Generate Single Event.
2308  * Access: RW
2309  */
2310 MLXSW_ITEM32(reg, paos, e, 0x04, 0, 2);
2311 
2312 static inline void mlxsw_reg_paos_pack(char *payload, u8 local_port,
2313 				       enum mlxsw_port_admin_status status)
2314 {
2315 	MLXSW_REG_ZERO(paos, payload);
2316 	mlxsw_reg_paos_swid_set(payload, 0);
2317 	mlxsw_reg_paos_local_port_set(payload, local_port);
2318 	mlxsw_reg_paos_admin_status_set(payload, status);
2319 	mlxsw_reg_paos_oper_status_set(payload, 0);
2320 	mlxsw_reg_paos_ase_set(payload, 1);
2321 	mlxsw_reg_paos_ee_set(payload, 1);
2322 	mlxsw_reg_paos_e_set(payload, 1);
2323 }
2324 
2325 /* PFCC - Ports Flow Control Configuration Register
2326  * ------------------------------------------------
2327  * Configures and retrieves the per port flow control configuration.
2328  */
2329 #define MLXSW_REG_PFCC_ID 0x5007
2330 #define MLXSW_REG_PFCC_LEN 0x20
2331 
2332 static const struct mlxsw_reg_info mlxsw_reg_pfcc = {
2333 	.id = MLXSW_REG_PFCC_ID,
2334 	.len = MLXSW_REG_PFCC_LEN,
2335 };
2336 
2337 /* reg_pfcc_local_port
2338  * Local port number.
2339  * Access: Index
2340  */
2341 MLXSW_ITEM32(reg, pfcc, local_port, 0x00, 16, 8);
2342 
2343 /* reg_pfcc_pnat
2344  * Port number access type. Determines the way local_port is interpreted:
2345  * 0 - Local port number.
2346  * 1 - IB / label port number.
2347  * Access: Index
2348  */
2349 MLXSW_ITEM32(reg, pfcc, pnat, 0x00, 14, 2);
2350 
2351 /* reg_pfcc_shl_cap
2352  * Send to higher layers capabilities:
2353  * 0 - No capability of sending Pause and PFC frames to higher layers.
2354  * 1 - Device has capability of sending Pause and PFC frames to higher
2355  *     layers.
2356  * Access: RO
2357  */
2358 MLXSW_ITEM32(reg, pfcc, shl_cap, 0x00, 1, 1);
2359 
2360 /* reg_pfcc_shl_opr
2361  * Send to higher layers operation:
2362  * 0 - Pause and PFC frames are handled by the port (default).
2363  * 1 - Pause and PFC frames are handled by the port and also sent to
2364  *     higher layers. Only valid if shl_cap = 1.
2365  * Access: RW
2366  */
2367 MLXSW_ITEM32(reg, pfcc, shl_opr, 0x00, 0, 1);
2368 
2369 /* reg_pfcc_ppan
2370  * Pause policy auto negotiation.
2371  * 0 - Disabled. Generate / ignore Pause frames based on pptx / pprtx.
2372  * 1 - Enabled. When auto-negotiation is performed, set the Pause policy
2373  *     based on the auto-negotiation resolution.
2374  * Access: RW
2375  *
2376  * Note: The auto-negotiation advertisement is set according to pptx and
2377  * pprtx. When PFC is set on Tx / Rx, ppan must be set to 0.
2378  */
2379 MLXSW_ITEM32(reg, pfcc, ppan, 0x04, 28, 4);
2380 
2381 /* reg_pfcc_prio_mask_tx
2382  * Bit per priority indicating if Tx flow control policy should be
2383  * updated based on bit pfctx.
2384  * Access: WO
2385  */
2386 MLXSW_ITEM32(reg, pfcc, prio_mask_tx, 0x04, 16, 8);
2387 
2388 /* reg_pfcc_prio_mask_rx
2389  * Bit per priority indicating if Rx flow control policy should be
2390  * updated based on bit pfcrx.
2391  * Access: WO
2392  */
2393 MLXSW_ITEM32(reg, pfcc, prio_mask_rx, 0x04, 0, 8);
2394 
2395 /* reg_pfcc_pptx
2396  * Admin Pause policy on Tx.
2397  * 0 - Never generate Pause frames (default).
2398  * 1 - Generate Pause frames according to Rx buffer threshold.
2399  * Access: RW
2400  */
2401 MLXSW_ITEM32(reg, pfcc, pptx, 0x08, 31, 1);
2402 
2403 /* reg_pfcc_aptx
2404  * Active (operational) Pause policy on Tx.
2405  * 0 - Never generate Pause frames.
2406  * 1 - Generate Pause frames according to Rx buffer threshold.
2407  * Access: RO
2408  */
2409 MLXSW_ITEM32(reg, pfcc, aptx, 0x08, 30, 1);
2410 
2411 /* reg_pfcc_pfctx
2412  * Priority based flow control policy on Tx[7:0]. Per-priority bit mask:
2413  * 0 - Never generate priority Pause frames on the specified priority
2414  *     (default).
2415  * 1 - Generate priority Pause frames according to Rx buffer threshold on
2416  *     the specified priority.
2417  * Access: RW
2418  *
2419  * Note: pfctx and pptx must be mutually exclusive.
2420  */
2421 MLXSW_ITEM32(reg, pfcc, pfctx, 0x08, 16, 8);
2422 
2423 /* reg_pfcc_pprx
2424  * Admin Pause policy on Rx.
2425  * 0 - Ignore received Pause frames (default).
2426  * 1 - Respect received Pause frames.
2427  * Access: RW
2428  */
2429 MLXSW_ITEM32(reg, pfcc, pprx, 0x0C, 31, 1);
2430 
2431 /* reg_pfcc_aprx
2432  * Active (operational) Pause policy on Rx.
2433  * 0 - Ignore received Pause frames.
2434  * 1 - Respect received Pause frames.
2435  * Access: RO
2436  */
2437 MLXSW_ITEM32(reg, pfcc, aprx, 0x0C, 30, 1);
2438 
2439 /* reg_pfcc_pfcrx
2440  * Priority based flow control policy on Rx[7:0]. Per-priority bit mask:
2441  * 0 - Ignore incoming priority Pause frames on the specified priority
2442  *     (default).
2443  * 1 - Respect incoming priority Pause frames on the specified priority.
2444  * Access: RW
2445  */
2446 MLXSW_ITEM32(reg, pfcc, pfcrx, 0x0C, 16, 8);
2447 
2448 #define MLXSW_REG_PFCC_ALL_PRIO 0xFF
2449 
2450 static inline void mlxsw_reg_pfcc_prio_pack(char *payload, u8 pfc_en)
2451 {
2452 	mlxsw_reg_pfcc_prio_mask_tx_set(payload, MLXSW_REG_PFCC_ALL_PRIO);
2453 	mlxsw_reg_pfcc_prio_mask_rx_set(payload, MLXSW_REG_PFCC_ALL_PRIO);
2454 	mlxsw_reg_pfcc_pfctx_set(payload, pfc_en);
2455 	mlxsw_reg_pfcc_pfcrx_set(payload, pfc_en);
2456 }
2457 
2458 static inline void mlxsw_reg_pfcc_pack(char *payload, u8 local_port)
2459 {
2460 	MLXSW_REG_ZERO(pfcc, payload);
2461 	mlxsw_reg_pfcc_local_port_set(payload, local_port);
2462 }
2463 
2464 /* PPCNT - Ports Performance Counters Register
2465  * -------------------------------------------
2466  * The PPCNT register retrieves per port performance counters.
2467  */
2468 #define MLXSW_REG_PPCNT_ID 0x5008
2469 #define MLXSW_REG_PPCNT_LEN 0x100
2470 
2471 static const struct mlxsw_reg_info mlxsw_reg_ppcnt = {
2472 	.id = MLXSW_REG_PPCNT_ID,
2473 	.len = MLXSW_REG_PPCNT_LEN,
2474 };
2475 
2476 /* reg_ppcnt_swid
2477  * For HCA: must be always 0.
2478  * Switch partition ID to associate port with.
2479  * Switch partitions are numbered from 0 to 7 inclusively.
2480  * Switch partition 254 indicates stacking ports.
2481  * Switch partition 255 indicates all switch partitions.
2482  * Only valid on Set() operation with local_port=255.
2483  * Access: Index
2484  */
2485 MLXSW_ITEM32(reg, ppcnt, swid, 0x00, 24, 8);
2486 
2487 /* reg_ppcnt_local_port
2488  * Local port number.
2489  * 255 indicates all ports on the device, and is only allowed
2490  * for Set() operation.
2491  * Access: Index
2492  */
2493 MLXSW_ITEM32(reg, ppcnt, local_port, 0x00, 16, 8);
2494 
2495 /* reg_ppcnt_pnat
2496  * Port number access type:
2497  * 0 - Local port number
2498  * 1 - IB port number
2499  * Access: Index
2500  */
2501 MLXSW_ITEM32(reg, ppcnt, pnat, 0x00, 14, 2);
2502 
2503 enum mlxsw_reg_ppcnt_grp {
2504 	MLXSW_REG_PPCNT_IEEE_8023_CNT = 0x0,
2505 	MLXSW_REG_PPCNT_PRIO_CNT = 0x10,
2506 	MLXSW_REG_PPCNT_TC_CNT = 0x11,
2507 };
2508 
2509 /* reg_ppcnt_grp
2510  * Performance counter group.
2511  * Group 63 indicates all groups. Only valid on Set() operation with
2512  * clr bit set.
2513  * 0x0: IEEE 802.3 Counters
2514  * 0x1: RFC 2863 Counters
2515  * 0x2: RFC 2819 Counters
2516  * 0x3: RFC 3635 Counters
2517  * 0x5: Ethernet Extended Counters
2518  * 0x8: Link Level Retransmission Counters
2519  * 0x10: Per Priority Counters
2520  * 0x11: Per Traffic Class Counters
2521  * 0x12: Physical Layer Counters
2522  * Access: Index
2523  */
2524 MLXSW_ITEM32(reg, ppcnt, grp, 0x00, 0, 6);
2525 
2526 /* reg_ppcnt_clr
2527  * Clear counters. Setting the clr bit will reset the counter value
2528  * for all counters in the counter group. This bit can be set
2529  * for both Set() and Get() operation.
2530  * Access: OP
2531  */
2532 MLXSW_ITEM32(reg, ppcnt, clr, 0x04, 31, 1);
2533 
2534 /* reg_ppcnt_prio_tc
2535  * Priority for counter set that support per priority, valid values: 0-7.
2536  * Traffic class for counter set that support per traffic class,
2537  * valid values: 0- cap_max_tclass-1 .
2538  * For HCA: cap_max_tclass is always 8.
2539  * Otherwise must be 0.
2540  * Access: Index
2541  */
2542 MLXSW_ITEM32(reg, ppcnt, prio_tc, 0x04, 0, 5);
2543 
2544 /* Ethernet IEEE 802.3 Counter Group */
2545 
2546 /* reg_ppcnt_a_frames_transmitted_ok
2547  * Access: RO
2548  */
2549 MLXSW_ITEM64(reg, ppcnt, a_frames_transmitted_ok,
2550 	     0x08 + 0x00, 0, 64);
2551 
2552 /* reg_ppcnt_a_frames_received_ok
2553  * Access: RO
2554  */
2555 MLXSW_ITEM64(reg, ppcnt, a_frames_received_ok,
2556 	     0x08 + 0x08, 0, 64);
2557 
2558 /* reg_ppcnt_a_frame_check_sequence_errors
2559  * Access: RO
2560  */
2561 MLXSW_ITEM64(reg, ppcnt, a_frame_check_sequence_errors,
2562 	     0x08 + 0x10, 0, 64);
2563 
2564 /* reg_ppcnt_a_alignment_errors
2565  * Access: RO
2566  */
2567 MLXSW_ITEM64(reg, ppcnt, a_alignment_errors,
2568 	     0x08 + 0x18, 0, 64);
2569 
2570 /* reg_ppcnt_a_octets_transmitted_ok
2571  * Access: RO
2572  */
2573 MLXSW_ITEM64(reg, ppcnt, a_octets_transmitted_ok,
2574 	     0x08 + 0x20, 0, 64);
2575 
2576 /* reg_ppcnt_a_octets_received_ok
2577  * Access: RO
2578  */
2579 MLXSW_ITEM64(reg, ppcnt, a_octets_received_ok,
2580 	     0x08 + 0x28, 0, 64);
2581 
2582 /* reg_ppcnt_a_multicast_frames_xmitted_ok
2583  * Access: RO
2584  */
2585 MLXSW_ITEM64(reg, ppcnt, a_multicast_frames_xmitted_ok,
2586 	     0x08 + 0x30, 0, 64);
2587 
2588 /* reg_ppcnt_a_broadcast_frames_xmitted_ok
2589  * Access: RO
2590  */
2591 MLXSW_ITEM64(reg, ppcnt, a_broadcast_frames_xmitted_ok,
2592 	     0x08 + 0x38, 0, 64);
2593 
2594 /* reg_ppcnt_a_multicast_frames_received_ok
2595  * Access: RO
2596  */
2597 MLXSW_ITEM64(reg, ppcnt, a_multicast_frames_received_ok,
2598 	     0x08 + 0x40, 0, 64);
2599 
2600 /* reg_ppcnt_a_broadcast_frames_received_ok
2601  * Access: RO
2602  */
2603 MLXSW_ITEM64(reg, ppcnt, a_broadcast_frames_received_ok,
2604 	     0x08 + 0x48, 0, 64);
2605 
2606 /* reg_ppcnt_a_in_range_length_errors
2607  * Access: RO
2608  */
2609 MLXSW_ITEM64(reg, ppcnt, a_in_range_length_errors,
2610 	     0x08 + 0x50, 0, 64);
2611 
2612 /* reg_ppcnt_a_out_of_range_length_field
2613  * Access: RO
2614  */
2615 MLXSW_ITEM64(reg, ppcnt, a_out_of_range_length_field,
2616 	     0x08 + 0x58, 0, 64);
2617 
2618 /* reg_ppcnt_a_frame_too_long_errors
2619  * Access: RO
2620  */
2621 MLXSW_ITEM64(reg, ppcnt, a_frame_too_long_errors,
2622 	     0x08 + 0x60, 0, 64);
2623 
2624 /* reg_ppcnt_a_symbol_error_during_carrier
2625  * Access: RO
2626  */
2627 MLXSW_ITEM64(reg, ppcnt, a_symbol_error_during_carrier,
2628 	     0x08 + 0x68, 0, 64);
2629 
2630 /* reg_ppcnt_a_mac_control_frames_transmitted
2631  * Access: RO
2632  */
2633 MLXSW_ITEM64(reg, ppcnt, a_mac_control_frames_transmitted,
2634 	     0x08 + 0x70, 0, 64);
2635 
2636 /* reg_ppcnt_a_mac_control_frames_received
2637  * Access: RO
2638  */
2639 MLXSW_ITEM64(reg, ppcnt, a_mac_control_frames_received,
2640 	     0x08 + 0x78, 0, 64);
2641 
2642 /* reg_ppcnt_a_unsupported_opcodes_received
2643  * Access: RO
2644  */
2645 MLXSW_ITEM64(reg, ppcnt, a_unsupported_opcodes_received,
2646 	     0x08 + 0x80, 0, 64);
2647 
2648 /* reg_ppcnt_a_pause_mac_ctrl_frames_received
2649  * Access: RO
2650  */
2651 MLXSW_ITEM64(reg, ppcnt, a_pause_mac_ctrl_frames_received,
2652 	     0x08 + 0x88, 0, 64);
2653 
2654 /* reg_ppcnt_a_pause_mac_ctrl_frames_transmitted
2655  * Access: RO
2656  */
2657 MLXSW_ITEM64(reg, ppcnt, a_pause_mac_ctrl_frames_transmitted,
2658 	     0x08 + 0x90, 0, 64);
2659 
2660 /* Ethernet Per Priority Group Counters */
2661 
2662 /* reg_ppcnt_rx_octets
2663  * Access: RO
2664  */
2665 MLXSW_ITEM64(reg, ppcnt, rx_octets, 0x08 + 0x00, 0, 64);
2666 
2667 /* reg_ppcnt_rx_frames
2668  * Access: RO
2669  */
2670 MLXSW_ITEM64(reg, ppcnt, rx_frames, 0x08 + 0x20, 0, 64);
2671 
2672 /* reg_ppcnt_tx_octets
2673  * Access: RO
2674  */
2675 MLXSW_ITEM64(reg, ppcnt, tx_octets, 0x08 + 0x28, 0, 64);
2676 
2677 /* reg_ppcnt_tx_frames
2678  * Access: RO
2679  */
2680 MLXSW_ITEM64(reg, ppcnt, tx_frames, 0x08 + 0x48, 0, 64);
2681 
2682 /* reg_ppcnt_rx_pause
2683  * Access: RO
2684  */
2685 MLXSW_ITEM64(reg, ppcnt, rx_pause, 0x08 + 0x50, 0, 64);
2686 
2687 /* reg_ppcnt_rx_pause_duration
2688  * Access: RO
2689  */
2690 MLXSW_ITEM64(reg, ppcnt, rx_pause_duration, 0x08 + 0x58, 0, 64);
2691 
2692 /* reg_ppcnt_tx_pause
2693  * Access: RO
2694  */
2695 MLXSW_ITEM64(reg, ppcnt, tx_pause, 0x08 + 0x60, 0, 64);
2696 
2697 /* reg_ppcnt_tx_pause_duration
2698  * Access: RO
2699  */
2700 MLXSW_ITEM64(reg, ppcnt, tx_pause_duration, 0x08 + 0x68, 0, 64);
2701 
2702 /* reg_ppcnt_rx_pause_transition
2703  * Access: RO
2704  */
2705 MLXSW_ITEM64(reg, ppcnt, tx_pause_transition, 0x08 + 0x70, 0, 64);
2706 
2707 /* Ethernet Per Traffic Group Counters */
2708 
2709 /* reg_ppcnt_tc_transmit_queue
2710  * Contains the transmit queue depth in cells of traffic class
2711  * selected by prio_tc and the port selected by local_port.
2712  * The field cannot be cleared.
2713  * Access: RO
2714  */
2715 MLXSW_ITEM64(reg, ppcnt, tc_transmit_queue, 0x08 + 0x00, 0, 64);
2716 
2717 /* reg_ppcnt_tc_no_buffer_discard_uc
2718  * The number of unicast packets dropped due to lack of shared
2719  * buffer resources.
2720  * Access: RO
2721  */
2722 MLXSW_ITEM64(reg, ppcnt, tc_no_buffer_discard_uc, 0x08 + 0x08, 0, 64);
2723 
2724 static inline void mlxsw_reg_ppcnt_pack(char *payload, u8 local_port,
2725 					enum mlxsw_reg_ppcnt_grp grp,
2726 					u8 prio_tc)
2727 {
2728 	MLXSW_REG_ZERO(ppcnt, payload);
2729 	mlxsw_reg_ppcnt_swid_set(payload, 0);
2730 	mlxsw_reg_ppcnt_local_port_set(payload, local_port);
2731 	mlxsw_reg_ppcnt_pnat_set(payload, 0);
2732 	mlxsw_reg_ppcnt_grp_set(payload, grp);
2733 	mlxsw_reg_ppcnt_clr_set(payload, 0);
2734 	mlxsw_reg_ppcnt_prio_tc_set(payload, prio_tc);
2735 }
2736 
2737 /* PPTB - Port Prio To Buffer Register
2738  * -----------------------------------
2739  * Configures the switch priority to buffer table.
2740  */
2741 #define MLXSW_REG_PPTB_ID 0x500B
2742 #define MLXSW_REG_PPTB_LEN 0x10
2743 
2744 static const struct mlxsw_reg_info mlxsw_reg_pptb = {
2745 	.id = MLXSW_REG_PPTB_ID,
2746 	.len = MLXSW_REG_PPTB_LEN,
2747 };
2748 
2749 enum {
2750 	MLXSW_REG_PPTB_MM_UM,
2751 	MLXSW_REG_PPTB_MM_UNICAST,
2752 	MLXSW_REG_PPTB_MM_MULTICAST,
2753 };
2754 
2755 /* reg_pptb_mm
2756  * Mapping mode.
2757  * 0 - Map both unicast and multicast packets to the same buffer.
2758  * 1 - Map only unicast packets.
2759  * 2 - Map only multicast packets.
2760  * Access: Index
2761  *
2762  * Note: SwitchX-2 only supports the first option.
2763  */
2764 MLXSW_ITEM32(reg, pptb, mm, 0x00, 28, 2);
2765 
2766 /* reg_pptb_local_port
2767  * Local port number.
2768  * Access: Index
2769  */
2770 MLXSW_ITEM32(reg, pptb, local_port, 0x00, 16, 8);
2771 
2772 /* reg_pptb_um
2773  * Enables the update of the untagged_buf field.
2774  * Access: RW
2775  */
2776 MLXSW_ITEM32(reg, pptb, um, 0x00, 8, 1);
2777 
2778 /* reg_pptb_pm
2779  * Enables the update of the prio_to_buff field.
2780  * Bit <i> is a flag for updating the mapping for switch priority <i>.
2781  * Access: RW
2782  */
2783 MLXSW_ITEM32(reg, pptb, pm, 0x00, 0, 8);
2784 
2785 /* reg_pptb_prio_to_buff
2786  * Mapping of switch priority <i> to one of the allocated receive port
2787  * buffers.
2788  * Access: RW
2789  */
2790 MLXSW_ITEM_BIT_ARRAY(reg, pptb, prio_to_buff, 0x04, 0x04, 4);
2791 
2792 /* reg_pptb_pm_msb
2793  * Enables the update of the prio_to_buff field.
2794  * Bit <i> is a flag for updating the mapping for switch priority <i+8>.
2795  * Access: RW
2796  */
2797 MLXSW_ITEM32(reg, pptb, pm_msb, 0x08, 24, 8);
2798 
2799 /* reg_pptb_untagged_buff
2800  * Mapping of untagged frames to one of the allocated receive port buffers.
2801  * Access: RW
2802  *
2803  * Note: In SwitchX-2 this field must be mapped to buffer 8. Reserved for
2804  * Spectrum, as it maps untagged packets based on the default switch priority.
2805  */
2806 MLXSW_ITEM32(reg, pptb, untagged_buff, 0x08, 0, 4);
2807 
2808 /* reg_pptb_prio_to_buff_msb
2809  * Mapping of switch priority <i+8> to one of the allocated receive port
2810  * buffers.
2811  * Access: RW
2812  */
2813 MLXSW_ITEM_BIT_ARRAY(reg, pptb, prio_to_buff_msb, 0x0C, 0x04, 4);
2814 
2815 #define MLXSW_REG_PPTB_ALL_PRIO 0xFF
2816 
2817 static inline void mlxsw_reg_pptb_pack(char *payload, u8 local_port)
2818 {
2819 	MLXSW_REG_ZERO(pptb, payload);
2820 	mlxsw_reg_pptb_mm_set(payload, MLXSW_REG_PPTB_MM_UM);
2821 	mlxsw_reg_pptb_local_port_set(payload, local_port);
2822 	mlxsw_reg_pptb_pm_set(payload, MLXSW_REG_PPTB_ALL_PRIO);
2823 	mlxsw_reg_pptb_pm_msb_set(payload, MLXSW_REG_PPTB_ALL_PRIO);
2824 }
2825 
2826 static inline void mlxsw_reg_pptb_prio_to_buff_pack(char *payload, u8 prio,
2827 						    u8 buff)
2828 {
2829 	mlxsw_reg_pptb_prio_to_buff_set(payload, prio, buff);
2830 	mlxsw_reg_pptb_prio_to_buff_msb_set(payload, prio, buff);
2831 }
2832 
2833 /* PBMC - Port Buffer Management Control Register
2834  * ----------------------------------------------
2835  * The PBMC register configures and retrieves the port packet buffer
2836  * allocation for different Prios, and the Pause threshold management.
2837  */
2838 #define MLXSW_REG_PBMC_ID 0x500C
2839 #define MLXSW_REG_PBMC_LEN 0x6C
2840 
2841 static const struct mlxsw_reg_info mlxsw_reg_pbmc = {
2842 	.id = MLXSW_REG_PBMC_ID,
2843 	.len = MLXSW_REG_PBMC_LEN,
2844 };
2845 
2846 /* reg_pbmc_local_port
2847  * Local port number.
2848  * Access: Index
2849  */
2850 MLXSW_ITEM32(reg, pbmc, local_port, 0x00, 16, 8);
2851 
2852 /* reg_pbmc_xoff_timer_value
2853  * When device generates a pause frame, it uses this value as the pause
2854  * timer (time for the peer port to pause in quota-512 bit time).
2855  * Access: RW
2856  */
2857 MLXSW_ITEM32(reg, pbmc, xoff_timer_value, 0x04, 16, 16);
2858 
2859 /* reg_pbmc_xoff_refresh
2860  * The time before a new pause frame should be sent to refresh the pause RW
2861  * state. Using the same units as xoff_timer_value above (in quota-512 bit
2862  * time).
2863  * Access: RW
2864  */
2865 MLXSW_ITEM32(reg, pbmc, xoff_refresh, 0x04, 0, 16);
2866 
2867 #define MLXSW_REG_PBMC_PORT_SHARED_BUF_IDX 11
2868 
2869 /* reg_pbmc_buf_lossy
2870  * The field indicates if the buffer is lossy.
2871  * 0 - Lossless
2872  * 1 - Lossy
2873  * Access: RW
2874  */
2875 MLXSW_ITEM32_INDEXED(reg, pbmc, buf_lossy, 0x0C, 25, 1, 0x08, 0x00, false);
2876 
2877 /* reg_pbmc_buf_epsb
2878  * Eligible for Port Shared buffer.
2879  * If epsb is set, packets assigned to buffer are allowed to insert the port
2880  * shared buffer.
2881  * When buf_lossy is MLXSW_REG_PBMC_LOSSY_LOSSY this field is reserved.
2882  * Access: RW
2883  */
2884 MLXSW_ITEM32_INDEXED(reg, pbmc, buf_epsb, 0x0C, 24, 1, 0x08, 0x00, false);
2885 
2886 /* reg_pbmc_buf_size
2887  * The part of the packet buffer array is allocated for the specific buffer.
2888  * Units are represented in cells.
2889  * Access: RW
2890  */
2891 MLXSW_ITEM32_INDEXED(reg, pbmc, buf_size, 0x0C, 0, 16, 0x08, 0x00, false);
2892 
2893 /* reg_pbmc_buf_xoff_threshold
2894  * Once the amount of data in the buffer goes above this value, device
2895  * starts sending PFC frames for all priorities associated with the
2896  * buffer. Units are represented in cells. Reserved in case of lossy
2897  * buffer.
2898  * Access: RW
2899  *
2900  * Note: In Spectrum, reserved for buffer[9].
2901  */
2902 MLXSW_ITEM32_INDEXED(reg, pbmc, buf_xoff_threshold, 0x0C, 16, 16,
2903 		     0x08, 0x04, false);
2904 
2905 /* reg_pbmc_buf_xon_threshold
2906  * When the amount of data in the buffer goes below this value, device
2907  * stops sending PFC frames for the priorities associated with the
2908  * buffer. Units are represented in cells. Reserved in case of lossy
2909  * buffer.
2910  * Access: RW
2911  *
2912  * Note: In Spectrum, reserved for buffer[9].
2913  */
2914 MLXSW_ITEM32_INDEXED(reg, pbmc, buf_xon_threshold, 0x0C, 0, 16,
2915 		     0x08, 0x04, false);
2916 
2917 static inline void mlxsw_reg_pbmc_pack(char *payload, u8 local_port,
2918 				       u16 xoff_timer_value, u16 xoff_refresh)
2919 {
2920 	MLXSW_REG_ZERO(pbmc, payload);
2921 	mlxsw_reg_pbmc_local_port_set(payload, local_port);
2922 	mlxsw_reg_pbmc_xoff_timer_value_set(payload, xoff_timer_value);
2923 	mlxsw_reg_pbmc_xoff_refresh_set(payload, xoff_refresh);
2924 }
2925 
2926 static inline void mlxsw_reg_pbmc_lossy_buffer_pack(char *payload,
2927 						    int buf_index,
2928 						    u16 size)
2929 {
2930 	mlxsw_reg_pbmc_buf_lossy_set(payload, buf_index, 1);
2931 	mlxsw_reg_pbmc_buf_epsb_set(payload, buf_index, 0);
2932 	mlxsw_reg_pbmc_buf_size_set(payload, buf_index, size);
2933 }
2934 
2935 static inline void mlxsw_reg_pbmc_lossless_buffer_pack(char *payload,
2936 						       int buf_index, u16 size,
2937 						       u16 threshold)
2938 {
2939 	mlxsw_reg_pbmc_buf_lossy_set(payload, buf_index, 0);
2940 	mlxsw_reg_pbmc_buf_epsb_set(payload, buf_index, 0);
2941 	mlxsw_reg_pbmc_buf_size_set(payload, buf_index, size);
2942 	mlxsw_reg_pbmc_buf_xoff_threshold_set(payload, buf_index, threshold);
2943 	mlxsw_reg_pbmc_buf_xon_threshold_set(payload, buf_index, threshold);
2944 }
2945 
2946 /* PSPA - Port Switch Partition Allocation
2947  * ---------------------------------------
2948  * Controls the association of a port with a switch partition and enables
2949  * configuring ports as stacking ports.
2950  */
2951 #define MLXSW_REG_PSPA_ID 0x500D
2952 #define MLXSW_REG_PSPA_LEN 0x8
2953 
2954 static const struct mlxsw_reg_info mlxsw_reg_pspa = {
2955 	.id = MLXSW_REG_PSPA_ID,
2956 	.len = MLXSW_REG_PSPA_LEN,
2957 };
2958 
2959 /* reg_pspa_swid
2960  * Switch partition ID.
2961  * Access: RW
2962  */
2963 MLXSW_ITEM32(reg, pspa, swid, 0x00, 24, 8);
2964 
2965 /* reg_pspa_local_port
2966  * Local port number.
2967  * Access: Index
2968  */
2969 MLXSW_ITEM32(reg, pspa, local_port, 0x00, 16, 8);
2970 
2971 /* reg_pspa_sub_port
2972  * Virtual port within the local port. Set to 0 when virtual ports are
2973  * disabled on the local port.
2974  * Access: Index
2975  */
2976 MLXSW_ITEM32(reg, pspa, sub_port, 0x00, 8, 8);
2977 
2978 static inline void mlxsw_reg_pspa_pack(char *payload, u8 swid, u8 local_port)
2979 {
2980 	MLXSW_REG_ZERO(pspa, payload);
2981 	mlxsw_reg_pspa_swid_set(payload, swid);
2982 	mlxsw_reg_pspa_local_port_set(payload, local_port);
2983 	mlxsw_reg_pspa_sub_port_set(payload, 0);
2984 }
2985 
2986 /* HTGT - Host Trap Group Table
2987  * ----------------------------
2988  * Configures the properties for forwarding to CPU.
2989  */
2990 #define MLXSW_REG_HTGT_ID 0x7002
2991 #define MLXSW_REG_HTGT_LEN 0x100
2992 
2993 static const struct mlxsw_reg_info mlxsw_reg_htgt = {
2994 	.id = MLXSW_REG_HTGT_ID,
2995 	.len = MLXSW_REG_HTGT_LEN,
2996 };
2997 
2998 /* reg_htgt_swid
2999  * Switch partition ID.
3000  * Access: Index
3001  */
3002 MLXSW_ITEM32(reg, htgt, swid, 0x00, 24, 8);
3003 
3004 #define MLXSW_REG_HTGT_PATH_TYPE_LOCAL 0x0	/* For locally attached CPU */
3005 
3006 /* reg_htgt_type
3007  * CPU path type.
3008  * Access: RW
3009  */
3010 MLXSW_ITEM32(reg, htgt, type, 0x00, 8, 4);
3011 
3012 enum mlxsw_reg_htgt_trap_group {
3013 	MLXSW_REG_HTGT_TRAP_GROUP_EMAD,
3014 	MLXSW_REG_HTGT_TRAP_GROUP_RX,
3015 	MLXSW_REG_HTGT_TRAP_GROUP_CTRL,
3016 };
3017 
3018 /* reg_htgt_trap_group
3019  * Trap group number. User defined number specifying which trap groups
3020  * should be forwarded to the CPU. The mapping between trap IDs and trap
3021  * groups is configured using HPKT register.
3022  * Access: Index
3023  */
3024 MLXSW_ITEM32(reg, htgt, trap_group, 0x00, 0, 8);
3025 
3026 enum {
3027 	MLXSW_REG_HTGT_POLICER_DISABLE,
3028 	MLXSW_REG_HTGT_POLICER_ENABLE,
3029 };
3030 
3031 /* reg_htgt_pide
3032  * Enable policer ID specified using 'pid' field.
3033  * Access: RW
3034  */
3035 MLXSW_ITEM32(reg, htgt, pide, 0x04, 15, 1);
3036 
3037 /* reg_htgt_pid
3038  * Policer ID for the trap group.
3039  * Access: RW
3040  */
3041 MLXSW_ITEM32(reg, htgt, pid, 0x04, 0, 8);
3042 
3043 #define MLXSW_REG_HTGT_TRAP_TO_CPU 0x0
3044 
3045 /* reg_htgt_mirror_action
3046  * Mirror action to use.
3047  * 0 - Trap to CPU.
3048  * 1 - Trap to CPU and mirror to a mirroring agent.
3049  * 2 - Mirror to a mirroring agent and do not trap to CPU.
3050  * Access: RW
3051  *
3052  * Note: Mirroring to a mirroring agent is only supported in Spectrum.
3053  */
3054 MLXSW_ITEM32(reg, htgt, mirror_action, 0x08, 8, 2);
3055 
3056 /* reg_htgt_mirroring_agent
3057  * Mirroring agent.
3058  * Access: RW
3059  */
3060 MLXSW_ITEM32(reg, htgt, mirroring_agent, 0x08, 0, 3);
3061 
3062 /* reg_htgt_priority
3063  * Trap group priority.
3064  * In case a packet matches multiple classification rules, the packet will
3065  * only be trapped once, based on the trap ID associated with the group (via
3066  * register HPKT) with the highest priority.
3067  * Supported values are 0-7, with 7 represnting the highest priority.
3068  * Access: RW
3069  *
3070  * Note: In SwitchX-2 this field is ignored and the priority value is replaced
3071  * by the 'trap_group' field.
3072  */
3073 MLXSW_ITEM32(reg, htgt, priority, 0x0C, 0, 4);
3074 
3075 /* reg_htgt_local_path_cpu_tclass
3076  * CPU ingress traffic class for the trap group.
3077  * Access: RW
3078  */
3079 MLXSW_ITEM32(reg, htgt, local_path_cpu_tclass, 0x10, 16, 6);
3080 
3081 #define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_EMAD	0x15
3082 #define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_RX	0x14
3083 #define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_CTRL	0x13
3084 
3085 /* reg_htgt_local_path_rdq
3086  * Receive descriptor queue (RDQ) to use for the trap group.
3087  * Access: RW
3088  */
3089 MLXSW_ITEM32(reg, htgt, local_path_rdq, 0x10, 0, 6);
3090 
3091 static inline void mlxsw_reg_htgt_pack(char *payload,
3092 				       enum mlxsw_reg_htgt_trap_group group)
3093 {
3094 	u8 swid, rdq;
3095 
3096 	MLXSW_REG_ZERO(htgt, payload);
3097 	switch (group) {
3098 	case MLXSW_REG_HTGT_TRAP_GROUP_EMAD:
3099 		swid = MLXSW_PORT_SWID_ALL_SWIDS;
3100 		rdq = MLXSW_REG_HTGT_LOCAL_PATH_RDQ_EMAD;
3101 		break;
3102 	case MLXSW_REG_HTGT_TRAP_GROUP_RX:
3103 		swid = 0;
3104 		rdq = MLXSW_REG_HTGT_LOCAL_PATH_RDQ_RX;
3105 		break;
3106 	case MLXSW_REG_HTGT_TRAP_GROUP_CTRL:
3107 		swid = 0;
3108 		rdq = MLXSW_REG_HTGT_LOCAL_PATH_RDQ_CTRL;
3109 		break;
3110 	}
3111 	mlxsw_reg_htgt_swid_set(payload, swid);
3112 	mlxsw_reg_htgt_type_set(payload, MLXSW_REG_HTGT_PATH_TYPE_LOCAL);
3113 	mlxsw_reg_htgt_trap_group_set(payload, group);
3114 	mlxsw_reg_htgt_pide_set(payload, MLXSW_REG_HTGT_POLICER_DISABLE);
3115 	mlxsw_reg_htgt_pid_set(payload, 0);
3116 	mlxsw_reg_htgt_mirror_action_set(payload, MLXSW_REG_HTGT_TRAP_TO_CPU);
3117 	mlxsw_reg_htgt_mirroring_agent_set(payload, 0);
3118 	mlxsw_reg_htgt_priority_set(payload, 0);
3119 	mlxsw_reg_htgt_local_path_cpu_tclass_set(payload, 7);
3120 	mlxsw_reg_htgt_local_path_rdq_set(payload, rdq);
3121 }
3122 
3123 /* HPKT - Host Packet Trap
3124  * -----------------------
3125  * Configures trap IDs inside trap groups.
3126  */
3127 #define MLXSW_REG_HPKT_ID 0x7003
3128 #define MLXSW_REG_HPKT_LEN 0x10
3129 
3130 static const struct mlxsw_reg_info mlxsw_reg_hpkt = {
3131 	.id = MLXSW_REG_HPKT_ID,
3132 	.len = MLXSW_REG_HPKT_LEN,
3133 };
3134 
3135 enum {
3136 	MLXSW_REG_HPKT_ACK_NOT_REQUIRED,
3137 	MLXSW_REG_HPKT_ACK_REQUIRED,
3138 };
3139 
3140 /* reg_hpkt_ack
3141  * Require acknowledgements from the host for events.
3142  * If set, then the device will wait for the event it sent to be acknowledged
3143  * by the host. This option is only relevant for event trap IDs.
3144  * Access: RW
3145  *
3146  * Note: Currently not supported by firmware.
3147  */
3148 MLXSW_ITEM32(reg, hpkt, ack, 0x00, 24, 1);
3149 
3150 enum mlxsw_reg_hpkt_action {
3151 	MLXSW_REG_HPKT_ACTION_FORWARD,
3152 	MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU,
3153 	MLXSW_REG_HPKT_ACTION_MIRROR_TO_CPU,
3154 	MLXSW_REG_HPKT_ACTION_DISCARD,
3155 	MLXSW_REG_HPKT_ACTION_SOFT_DISCARD,
3156 	MLXSW_REG_HPKT_ACTION_TRAP_AND_SOFT_DISCARD,
3157 };
3158 
3159 /* reg_hpkt_action
3160  * Action to perform on packet when trapped.
3161  * 0 - No action. Forward to CPU based on switching rules.
3162  * 1 - Trap to CPU (CPU receives sole copy).
3163  * 2 - Mirror to CPU (CPU receives a replica of the packet).
3164  * 3 - Discard.
3165  * 4 - Soft discard (allow other traps to act on the packet).
3166  * 5 - Trap and soft discard (allow other traps to overwrite this trap).
3167  * Access: RW
3168  *
3169  * Note: Must be set to 0 (forward) for event trap IDs, as they are already
3170  * addressed to the CPU.
3171  */
3172 MLXSW_ITEM32(reg, hpkt, action, 0x00, 20, 3);
3173 
3174 /* reg_hpkt_trap_group
3175  * Trap group to associate the trap with.
3176  * Access: RW
3177  */
3178 MLXSW_ITEM32(reg, hpkt, trap_group, 0x00, 12, 6);
3179 
3180 /* reg_hpkt_trap_id
3181  * Trap ID.
3182  * Access: Index
3183  *
3184  * Note: A trap ID can only be associated with a single trap group. The device
3185  * will associate the trap ID with the last trap group configured.
3186  */
3187 MLXSW_ITEM32(reg, hpkt, trap_id, 0x00, 0, 9);
3188 
3189 enum {
3190 	MLXSW_REG_HPKT_CTRL_PACKET_DEFAULT,
3191 	MLXSW_REG_HPKT_CTRL_PACKET_NO_BUFFER,
3192 	MLXSW_REG_HPKT_CTRL_PACKET_USE_BUFFER,
3193 };
3194 
3195 /* reg_hpkt_ctrl
3196  * Configure dedicated buffer resources for control packets.
3197  * 0 - Keep factory defaults.
3198  * 1 - Do not use control buffer for this trap ID.
3199  * 2 - Use control buffer for this trap ID.
3200  * Access: RW
3201  */
3202 MLXSW_ITEM32(reg, hpkt, ctrl, 0x04, 16, 2);
3203 
3204 static inline void mlxsw_reg_hpkt_pack(char *payload, u8 action, u16 trap_id)
3205 {
3206 	enum mlxsw_reg_htgt_trap_group trap_group;
3207 
3208 	MLXSW_REG_ZERO(hpkt, payload);
3209 	mlxsw_reg_hpkt_ack_set(payload, MLXSW_REG_HPKT_ACK_NOT_REQUIRED);
3210 	mlxsw_reg_hpkt_action_set(payload, action);
3211 	switch (trap_id) {
3212 	case MLXSW_TRAP_ID_ETHEMAD:
3213 	case MLXSW_TRAP_ID_PUDE:
3214 		trap_group = MLXSW_REG_HTGT_TRAP_GROUP_EMAD;
3215 		break;
3216 	default:
3217 		trap_group = MLXSW_REG_HTGT_TRAP_GROUP_RX;
3218 		break;
3219 	}
3220 	mlxsw_reg_hpkt_trap_group_set(payload, trap_group);
3221 	mlxsw_reg_hpkt_trap_id_set(payload, trap_id);
3222 	mlxsw_reg_hpkt_ctrl_set(payload, MLXSW_REG_HPKT_CTRL_PACKET_DEFAULT);
3223 }
3224 
3225 /* RGCR - Router General Configuration Register
3226  * --------------------------------------------
3227  * The register is used for setting up the router configuration.
3228  */
3229 #define MLXSW_REG_RGCR_ID 0x8001
3230 #define MLXSW_REG_RGCR_LEN 0x28
3231 
3232 static const struct mlxsw_reg_info mlxsw_reg_rgcr = {
3233 	.id = MLXSW_REG_RGCR_ID,
3234 	.len = MLXSW_REG_RGCR_LEN,
3235 };
3236 
3237 /* reg_rgcr_ipv4_en
3238  * IPv4 router enable.
3239  * Access: RW
3240  */
3241 MLXSW_ITEM32(reg, rgcr, ipv4_en, 0x00, 31, 1);
3242 
3243 /* reg_rgcr_ipv6_en
3244  * IPv6 router enable.
3245  * Access: RW
3246  */
3247 MLXSW_ITEM32(reg, rgcr, ipv6_en, 0x00, 30, 1);
3248 
3249 /* reg_rgcr_max_router_interfaces
3250  * Defines the maximum number of active router interfaces for all virtual
3251  * routers.
3252  * Access: RW
3253  */
3254 MLXSW_ITEM32(reg, rgcr, max_router_interfaces, 0x10, 0, 16);
3255 
3256 /* reg_rgcr_usp
3257  * Update switch priority and packet color.
3258  * 0 - Preserve the value of Switch Priority and packet color.
3259  * 1 - Recalculate the value of Switch Priority and packet color.
3260  * Access: RW
3261  *
3262  * Note: Not supported by SwitchX and SwitchX-2.
3263  */
3264 MLXSW_ITEM32(reg, rgcr, usp, 0x18, 20, 1);
3265 
3266 /* reg_rgcr_pcp_rw
3267  * Indicates how to handle the pcp_rewrite_en value:
3268  * 0 - Preserve the value of pcp_rewrite_en.
3269  * 2 - Disable PCP rewrite.
3270  * 3 - Enable PCP rewrite.
3271  * Access: RW
3272  *
3273  * Note: Not supported by SwitchX and SwitchX-2.
3274  */
3275 MLXSW_ITEM32(reg, rgcr, pcp_rw, 0x18, 16, 2);
3276 
3277 /* reg_rgcr_activity_dis
3278  * Activity disable:
3279  * 0 - Activity will be set when an entry is hit (default).
3280  * 1 - Activity will not be set when an entry is hit.
3281  *
3282  * Bit 0 - Disable activity bit in Router Algorithmic LPM Unicast Entry
3283  * (RALUE).
3284  * Bit 1 - Disable activity bit in Router Algorithmic LPM Unicast Host
3285  * Entry (RAUHT).
3286  * Bits 2:7 are reserved.
3287  * Access: RW
3288  *
3289  * Note: Not supported by SwitchX, SwitchX-2 and Switch-IB.
3290  */
3291 MLXSW_ITEM32(reg, rgcr, activity_dis, 0x20, 0, 8);
3292 
3293 static inline void mlxsw_reg_rgcr_pack(char *payload, bool ipv4_en)
3294 {
3295 	MLXSW_REG_ZERO(rgcr, payload);
3296 	mlxsw_reg_rgcr_ipv4_en_set(payload, ipv4_en);
3297 }
3298 
3299 /* RITR - Router Interface Table Register
3300  * --------------------------------------
3301  * The register is used to configure the router interface table.
3302  */
3303 #define MLXSW_REG_RITR_ID 0x8002
3304 #define MLXSW_REG_RITR_LEN 0x40
3305 
3306 static const struct mlxsw_reg_info mlxsw_reg_ritr = {
3307 	.id = MLXSW_REG_RITR_ID,
3308 	.len = MLXSW_REG_RITR_LEN,
3309 };
3310 
3311 /* reg_ritr_enable
3312  * Enables routing on the router interface.
3313  * Access: RW
3314  */
3315 MLXSW_ITEM32(reg, ritr, enable, 0x00, 31, 1);
3316 
3317 /* reg_ritr_ipv4
3318  * IPv4 routing enable. Enables routing of IPv4 traffic on the router
3319  * interface.
3320  * Access: RW
3321  */
3322 MLXSW_ITEM32(reg, ritr, ipv4, 0x00, 29, 1);
3323 
3324 /* reg_ritr_ipv6
3325  * IPv6 routing enable. Enables routing of IPv6 traffic on the router
3326  * interface.
3327  * Access: RW
3328  */
3329 MLXSW_ITEM32(reg, ritr, ipv6, 0x00, 28, 1);
3330 
3331 enum mlxsw_reg_ritr_if_type {
3332 	MLXSW_REG_RITR_VLAN_IF,
3333 	MLXSW_REG_RITR_FID_IF,
3334 	MLXSW_REG_RITR_SP_IF,
3335 };
3336 
3337 /* reg_ritr_type
3338  * Router interface type.
3339  * 0 - VLAN interface.
3340  * 1 - FID interface.
3341  * 2 - Sub-port interface.
3342  * Access: RW
3343  */
3344 MLXSW_ITEM32(reg, ritr, type, 0x00, 23, 3);
3345 
3346 enum {
3347 	MLXSW_REG_RITR_RIF_CREATE,
3348 	MLXSW_REG_RITR_RIF_DEL,
3349 };
3350 
3351 /* reg_ritr_op
3352  * Opcode:
3353  * 0 - Create or edit RIF.
3354  * 1 - Delete RIF.
3355  * Reserved for SwitchX-2. For Spectrum, editing of interface properties
3356  * is not supported. An interface must be deleted and re-created in order
3357  * to update properties.
3358  * Access: WO
3359  */
3360 MLXSW_ITEM32(reg, ritr, op, 0x00, 20, 2);
3361 
3362 /* reg_ritr_rif
3363  * Router interface index. A pointer to the Router Interface Table.
3364  * Access: Index
3365  */
3366 MLXSW_ITEM32(reg, ritr, rif, 0x00, 0, 16);
3367 
3368 /* reg_ritr_ipv4_fe
3369  * IPv4 Forwarding Enable.
3370  * Enables routing of IPv4 traffic on the router interface. When disabled,
3371  * forwarding is blocked but local traffic (traps and IP2ME) will be enabled.
3372  * Not supported in SwitchX-2.
3373  * Access: RW
3374  */
3375 MLXSW_ITEM32(reg, ritr, ipv4_fe, 0x04, 29, 1);
3376 
3377 /* reg_ritr_ipv6_fe
3378  * IPv6 Forwarding Enable.
3379  * Enables routing of IPv6 traffic on the router interface. When disabled,
3380  * forwarding is blocked but local traffic (traps and IP2ME) will be enabled.
3381  * Not supported in SwitchX-2.
3382  * Access: RW
3383  */
3384 MLXSW_ITEM32(reg, ritr, ipv6_fe, 0x04, 28, 1);
3385 
3386 /* reg_ritr_virtual_router
3387  * Virtual router ID associated with the router interface.
3388  * Access: RW
3389  */
3390 MLXSW_ITEM32(reg, ritr, virtual_router, 0x04, 0, 16);
3391 
3392 /* reg_ritr_mtu
3393  * Router interface MTU.
3394  * Access: RW
3395  */
3396 MLXSW_ITEM32(reg, ritr, mtu, 0x34, 0, 16);
3397 
3398 /* reg_ritr_if_swid
3399  * Switch partition ID.
3400  * Access: RW
3401  */
3402 MLXSW_ITEM32(reg, ritr, if_swid, 0x08, 24, 8);
3403 
3404 /* reg_ritr_if_mac
3405  * Router interface MAC address.
3406  * In Spectrum, all MAC addresses must have the same 38 MSBits.
3407  * Access: RW
3408  */
3409 MLXSW_ITEM_BUF(reg, ritr, if_mac, 0x12, 6);
3410 
3411 /* VLAN Interface */
3412 
3413 /* reg_ritr_vlan_if_vid
3414  * VLAN ID.
3415  * Access: RW
3416  */
3417 MLXSW_ITEM32(reg, ritr, vlan_if_vid, 0x08, 0, 12);
3418 
3419 /* FID Interface */
3420 
3421 /* reg_ritr_fid_if_fid
3422  * Filtering ID. Used to connect a bridge to the router. Only FIDs from
3423  * the vFID range are supported.
3424  * Access: RW
3425  */
3426 MLXSW_ITEM32(reg, ritr, fid_if_fid, 0x08, 0, 16);
3427 
3428 static inline void mlxsw_reg_ritr_fid_set(char *payload,
3429 					  enum mlxsw_reg_ritr_if_type rif_type,
3430 					  u16 fid)
3431 {
3432 	if (rif_type == MLXSW_REG_RITR_FID_IF)
3433 		mlxsw_reg_ritr_fid_if_fid_set(payload, fid);
3434 	else
3435 		mlxsw_reg_ritr_vlan_if_vid_set(payload, fid);
3436 }
3437 
3438 /* Sub-port Interface */
3439 
3440 /* reg_ritr_sp_if_lag
3441  * LAG indication. When this bit is set the system_port field holds the
3442  * LAG identifier.
3443  * Access: RW
3444  */
3445 MLXSW_ITEM32(reg, ritr, sp_if_lag, 0x08, 24, 1);
3446 
3447 /* reg_ritr_sp_system_port
3448  * Port unique indentifier. When lag bit is set, this field holds the
3449  * lag_id in bits 0:9.
3450  * Access: RW
3451  */
3452 MLXSW_ITEM32(reg, ritr, sp_if_system_port, 0x08, 0, 16);
3453 
3454 /* reg_ritr_sp_if_vid
3455  * VLAN ID.
3456  * Access: RW
3457  */
3458 MLXSW_ITEM32(reg, ritr, sp_if_vid, 0x18, 0, 12);
3459 
3460 static inline void mlxsw_reg_ritr_rif_pack(char *payload, u16 rif)
3461 {
3462 	MLXSW_REG_ZERO(ritr, payload);
3463 	mlxsw_reg_ritr_rif_set(payload, rif);
3464 }
3465 
3466 static inline void mlxsw_reg_ritr_sp_if_pack(char *payload, bool lag,
3467 					     u16 system_port, u16 vid)
3468 {
3469 	mlxsw_reg_ritr_sp_if_lag_set(payload, lag);
3470 	mlxsw_reg_ritr_sp_if_system_port_set(payload, system_port);
3471 	mlxsw_reg_ritr_sp_if_vid_set(payload, vid);
3472 }
3473 
3474 static inline void mlxsw_reg_ritr_pack(char *payload, bool enable,
3475 				       enum mlxsw_reg_ritr_if_type type,
3476 				       u16 rif, u16 mtu, const char *mac)
3477 {
3478 	bool op = enable ? MLXSW_REG_RITR_RIF_CREATE : MLXSW_REG_RITR_RIF_DEL;
3479 
3480 	MLXSW_REG_ZERO(ritr, payload);
3481 	mlxsw_reg_ritr_enable_set(payload, enable);
3482 	mlxsw_reg_ritr_ipv4_set(payload, 1);
3483 	mlxsw_reg_ritr_type_set(payload, type);
3484 	mlxsw_reg_ritr_op_set(payload, op);
3485 	mlxsw_reg_ritr_rif_set(payload, rif);
3486 	mlxsw_reg_ritr_ipv4_fe_set(payload, 1);
3487 	mlxsw_reg_ritr_mtu_set(payload, mtu);
3488 	mlxsw_reg_ritr_if_mac_memcpy_to(payload, mac);
3489 }
3490 
3491 /* RATR - Router Adjacency Table Register
3492  * --------------------------------------
3493  * The RATR register is used to configure the Router Adjacency (next-hop)
3494  * Table.
3495  */
3496 #define MLXSW_REG_RATR_ID 0x8008
3497 #define MLXSW_REG_RATR_LEN 0x2C
3498 
3499 static const struct mlxsw_reg_info mlxsw_reg_ratr = {
3500 	.id = MLXSW_REG_RATR_ID,
3501 	.len = MLXSW_REG_RATR_LEN,
3502 };
3503 
3504 enum mlxsw_reg_ratr_op {
3505 	/* Read */
3506 	MLXSW_REG_RATR_OP_QUERY_READ = 0,
3507 	/* Read and clear activity */
3508 	MLXSW_REG_RATR_OP_QUERY_READ_CLEAR = 2,
3509 	/* Write Adjacency entry */
3510 	MLXSW_REG_RATR_OP_WRITE_WRITE_ENTRY = 1,
3511 	/* Write Adjacency entry only if the activity is cleared.
3512 	 * The write may not succeed if the activity is set. There is not
3513 	 * direct feedback if the write has succeeded or not, however
3514 	 * the get will reveal the actual entry (SW can compare the get
3515 	 * response to the set command).
3516 	 */
3517 	MLXSW_REG_RATR_OP_WRITE_WRITE_ENTRY_ON_ACTIVITY = 3,
3518 };
3519 
3520 /* reg_ratr_op
3521  * Note that Write operation may also be used for updating
3522  * counter_set_type and counter_index. In this case all other
3523  * fields must not be updated.
3524  * Access: OP
3525  */
3526 MLXSW_ITEM32(reg, ratr, op, 0x00, 28, 4);
3527 
3528 /* reg_ratr_v
3529  * Valid bit. Indicates if the adjacency entry is valid.
3530  * Note: the device may need some time before reusing an invalidated
3531  * entry. During this time the entry can not be reused. It is
3532  * recommended to use another entry before reusing an invalidated
3533  * entry (e.g. software can put it at the end of the list for
3534  * reusing). Trying to access an invalidated entry not yet cleared
3535  * by the device results with failure indicating "Try Again" status.
3536  * When valid is '0' then egress_router_interface,trap_action,
3537  * adjacency_parameters and counters are reserved
3538  * Access: RW
3539  */
3540 MLXSW_ITEM32(reg, ratr, v, 0x00, 24, 1);
3541 
3542 /* reg_ratr_a
3543  * Activity. Set for new entries. Set if a packet lookup has hit on
3544  * the specific entry. To clear the a bit, use "clear activity".
3545  * Access: RO
3546  */
3547 MLXSW_ITEM32(reg, ratr, a, 0x00, 16, 1);
3548 
3549 /* reg_ratr_adjacency_index_low
3550  * Bits 15:0 of index into the adjacency table.
3551  * For SwitchX and SwitchX-2, the adjacency table is linear and
3552  * used for adjacency entries only.
3553  * For Spectrum, the index is to the KVD linear.
3554  * Access: Index
3555  */
3556 MLXSW_ITEM32(reg, ratr, adjacency_index_low, 0x04, 0, 16);
3557 
3558 /* reg_ratr_egress_router_interface
3559  * Range is 0 .. cap_max_router_interfaces - 1
3560  * Access: RW
3561  */
3562 MLXSW_ITEM32(reg, ratr, egress_router_interface, 0x08, 0, 16);
3563 
3564 enum mlxsw_reg_ratr_trap_action {
3565 	MLXSW_REG_RATR_TRAP_ACTION_NOP,
3566 	MLXSW_REG_RATR_TRAP_ACTION_TRAP,
3567 	MLXSW_REG_RATR_TRAP_ACTION_MIRROR_TO_CPU,
3568 	MLXSW_REG_RATR_TRAP_ACTION_MIRROR,
3569 	MLXSW_REG_RATR_TRAP_ACTION_DISCARD_ERRORS,
3570 };
3571 
3572 /* reg_ratr_trap_action
3573  * see mlxsw_reg_ratr_trap_action
3574  * Access: RW
3575  */
3576 MLXSW_ITEM32(reg, ratr, trap_action, 0x0C, 28, 4);
3577 
3578 enum mlxsw_reg_ratr_trap_id {
3579 	MLXSW_REG_RATR_TRAP_ID_RTR_EGRESS0 = 0,
3580 	MLXSW_REG_RATR_TRAP_ID_RTR_EGRESS1 = 1,
3581 };
3582 
3583 /* reg_ratr_adjacency_index_high
3584  * Bits 23:16 of the adjacency_index.
3585  * Access: Index
3586  */
3587 MLXSW_ITEM32(reg, ratr, adjacency_index_high, 0x0C, 16, 8);
3588 
3589 /* reg_ratr_trap_id
3590  * Trap ID to be reported to CPU.
3591  * Trap-ID is RTR_EGRESS0 or RTR_EGRESS1.
3592  * For trap_action of NOP, MIRROR and DISCARD_ERROR
3593  * Access: RW
3594  */
3595 MLXSW_ITEM32(reg, ratr, trap_id, 0x0C, 0, 8);
3596 
3597 /* reg_ratr_eth_destination_mac
3598  * MAC address of the destination next-hop.
3599  * Access: RW
3600  */
3601 MLXSW_ITEM_BUF(reg, ratr, eth_destination_mac, 0x12, 6);
3602 
3603 static inline void
3604 mlxsw_reg_ratr_pack(char *payload,
3605 		    enum mlxsw_reg_ratr_op op, bool valid,
3606 		    u32 adjacency_index, u16 egress_rif)
3607 {
3608 	MLXSW_REG_ZERO(ratr, payload);
3609 	mlxsw_reg_ratr_op_set(payload, op);
3610 	mlxsw_reg_ratr_v_set(payload, valid);
3611 	mlxsw_reg_ratr_adjacency_index_low_set(payload, adjacency_index);
3612 	mlxsw_reg_ratr_adjacency_index_high_set(payload, adjacency_index >> 16);
3613 	mlxsw_reg_ratr_egress_router_interface_set(payload, egress_rif);
3614 }
3615 
3616 static inline void mlxsw_reg_ratr_eth_entry_pack(char *payload,
3617 						 const char *dest_mac)
3618 {
3619 	mlxsw_reg_ratr_eth_destination_mac_memcpy_to(payload, dest_mac);
3620 }
3621 
3622 /* RALTA - Router Algorithmic LPM Tree Allocation Register
3623  * -------------------------------------------------------
3624  * RALTA is used to allocate the LPM trees of the SHSPM method.
3625  */
3626 #define MLXSW_REG_RALTA_ID 0x8010
3627 #define MLXSW_REG_RALTA_LEN 0x04
3628 
3629 static const struct mlxsw_reg_info mlxsw_reg_ralta = {
3630 	.id = MLXSW_REG_RALTA_ID,
3631 	.len = MLXSW_REG_RALTA_LEN,
3632 };
3633 
3634 /* reg_ralta_op
3635  * opcode (valid for Write, must be 0 on Read)
3636  * 0 - allocate a tree
3637  * 1 - deallocate a tree
3638  * Access: OP
3639  */
3640 MLXSW_ITEM32(reg, ralta, op, 0x00, 28, 2);
3641 
3642 enum mlxsw_reg_ralxx_protocol {
3643 	MLXSW_REG_RALXX_PROTOCOL_IPV4,
3644 	MLXSW_REG_RALXX_PROTOCOL_IPV6,
3645 };
3646 
3647 /* reg_ralta_protocol
3648  * Protocol.
3649  * Deallocation opcode: Reserved.
3650  * Access: RW
3651  */
3652 MLXSW_ITEM32(reg, ralta, protocol, 0x00, 24, 4);
3653 
3654 /* reg_ralta_tree_id
3655  * An identifier (numbered from 1..cap_shspm_max_trees-1) representing
3656  * the tree identifier (managed by software).
3657  * Note that tree_id 0 is allocated for a default-route tree.
3658  * Access: Index
3659  */
3660 MLXSW_ITEM32(reg, ralta, tree_id, 0x00, 0, 8);
3661 
3662 static inline void mlxsw_reg_ralta_pack(char *payload, bool alloc,
3663 					enum mlxsw_reg_ralxx_protocol protocol,
3664 					u8 tree_id)
3665 {
3666 	MLXSW_REG_ZERO(ralta, payload);
3667 	mlxsw_reg_ralta_op_set(payload, !alloc);
3668 	mlxsw_reg_ralta_protocol_set(payload, protocol);
3669 	mlxsw_reg_ralta_tree_id_set(payload, tree_id);
3670 }
3671 
3672 /* RALST - Router Algorithmic LPM Structure Tree Register
3673  * ------------------------------------------------------
3674  * RALST is used to set and query the structure of an LPM tree.
3675  * The structure of the tree must be sorted as a sorted binary tree, while
3676  * each node is a bin that is tagged as the length of the prefixes the lookup
3677  * will refer to. Therefore, bin X refers to a set of entries with prefixes
3678  * of X bits to match with the destination address. The bin 0 indicates
3679  * the default action, when there is no match of any prefix.
3680  */
3681 #define MLXSW_REG_RALST_ID 0x8011
3682 #define MLXSW_REG_RALST_LEN 0x104
3683 
3684 static const struct mlxsw_reg_info mlxsw_reg_ralst = {
3685 	.id = MLXSW_REG_RALST_ID,
3686 	.len = MLXSW_REG_RALST_LEN,
3687 };
3688 
3689 /* reg_ralst_root_bin
3690  * The bin number of the root bin.
3691  * 0<root_bin=<(length of IP address)
3692  * For a default-route tree configure 0xff
3693  * Access: RW
3694  */
3695 MLXSW_ITEM32(reg, ralst, root_bin, 0x00, 16, 8);
3696 
3697 /* reg_ralst_tree_id
3698  * Tree identifier numbered from 1..(cap_shspm_max_trees-1).
3699  * Access: Index
3700  */
3701 MLXSW_ITEM32(reg, ralst, tree_id, 0x00, 0, 8);
3702 
3703 #define MLXSW_REG_RALST_BIN_NO_CHILD 0xff
3704 #define MLXSW_REG_RALST_BIN_OFFSET 0x04
3705 #define MLXSW_REG_RALST_BIN_COUNT 128
3706 
3707 /* reg_ralst_left_child_bin
3708  * Holding the children of the bin according to the stored tree's structure.
3709  * For trees composed of less than 4 blocks, the bins in excess are reserved.
3710  * Note that tree_id 0 is allocated for a default-route tree, bins are 0xff
3711  * Access: RW
3712  */
3713 MLXSW_ITEM16_INDEXED(reg, ralst, left_child_bin, 0x04, 8, 8, 0x02, 0x00, false);
3714 
3715 /* reg_ralst_right_child_bin
3716  * Holding the children of the bin according to the stored tree's structure.
3717  * For trees composed of less than 4 blocks, the bins in excess are reserved.
3718  * Note that tree_id 0 is allocated for a default-route tree, bins are 0xff
3719  * Access: RW
3720  */
3721 MLXSW_ITEM16_INDEXED(reg, ralst, right_child_bin, 0x04, 0, 8, 0x02, 0x00,
3722 		     false);
3723 
3724 static inline void mlxsw_reg_ralst_pack(char *payload, u8 root_bin, u8 tree_id)
3725 {
3726 	MLXSW_REG_ZERO(ralst, payload);
3727 
3728 	/* Initialize all bins to have no left or right child */
3729 	memset(payload + MLXSW_REG_RALST_BIN_OFFSET,
3730 	       MLXSW_REG_RALST_BIN_NO_CHILD, MLXSW_REG_RALST_BIN_COUNT * 2);
3731 
3732 	mlxsw_reg_ralst_root_bin_set(payload, root_bin);
3733 	mlxsw_reg_ralst_tree_id_set(payload, tree_id);
3734 }
3735 
3736 static inline void mlxsw_reg_ralst_bin_pack(char *payload, u8 bin_number,
3737 					    u8 left_child_bin,
3738 					    u8 right_child_bin)
3739 {
3740 	int bin_index = bin_number - 1;
3741 
3742 	mlxsw_reg_ralst_left_child_bin_set(payload, bin_index, left_child_bin);
3743 	mlxsw_reg_ralst_right_child_bin_set(payload, bin_index,
3744 					    right_child_bin);
3745 }
3746 
3747 /* RALTB - Router Algorithmic LPM Tree Binding Register
3748  * ----------------------------------------------------
3749  * RALTB is used to bind virtual router and protocol to an allocated LPM tree.
3750  */
3751 #define MLXSW_REG_RALTB_ID 0x8012
3752 #define MLXSW_REG_RALTB_LEN 0x04
3753 
3754 static const struct mlxsw_reg_info mlxsw_reg_raltb = {
3755 	.id = MLXSW_REG_RALTB_ID,
3756 	.len = MLXSW_REG_RALTB_LEN,
3757 };
3758 
3759 /* reg_raltb_virtual_router
3760  * Virtual Router ID
3761  * Range is 0..cap_max_virtual_routers-1
3762  * Access: Index
3763  */
3764 MLXSW_ITEM32(reg, raltb, virtual_router, 0x00, 16, 16);
3765 
3766 /* reg_raltb_protocol
3767  * Protocol.
3768  * Access: Index
3769  */
3770 MLXSW_ITEM32(reg, raltb, protocol, 0x00, 12, 4);
3771 
3772 /* reg_raltb_tree_id
3773  * Tree to be used for the {virtual_router, protocol}
3774  * Tree identifier numbered from 1..(cap_shspm_max_trees-1).
3775  * By default, all Unicast IPv4 and IPv6 are bound to tree_id 0.
3776  * Access: RW
3777  */
3778 MLXSW_ITEM32(reg, raltb, tree_id, 0x00, 0, 8);
3779 
3780 static inline void mlxsw_reg_raltb_pack(char *payload, u16 virtual_router,
3781 					enum mlxsw_reg_ralxx_protocol protocol,
3782 					u8 tree_id)
3783 {
3784 	MLXSW_REG_ZERO(raltb, payload);
3785 	mlxsw_reg_raltb_virtual_router_set(payload, virtual_router);
3786 	mlxsw_reg_raltb_protocol_set(payload, protocol);
3787 	mlxsw_reg_raltb_tree_id_set(payload, tree_id);
3788 }
3789 
3790 /* RALUE - Router Algorithmic LPM Unicast Entry Register
3791  * -----------------------------------------------------
3792  * RALUE is used to configure and query LPM entries that serve
3793  * the Unicast protocols.
3794  */
3795 #define MLXSW_REG_RALUE_ID 0x8013
3796 #define MLXSW_REG_RALUE_LEN 0x38
3797 
3798 static const struct mlxsw_reg_info mlxsw_reg_ralue = {
3799 	.id = MLXSW_REG_RALUE_ID,
3800 	.len = MLXSW_REG_RALUE_LEN,
3801 };
3802 
3803 /* reg_ralue_protocol
3804  * Protocol.
3805  * Access: Index
3806  */
3807 MLXSW_ITEM32(reg, ralue, protocol, 0x00, 24, 4);
3808 
3809 enum mlxsw_reg_ralue_op {
3810 	/* Read operation. If entry doesn't exist, the operation fails. */
3811 	MLXSW_REG_RALUE_OP_QUERY_READ = 0,
3812 	/* Clear on read operation. Used to read entry and
3813 	 * clear Activity bit.
3814 	 */
3815 	MLXSW_REG_RALUE_OP_QUERY_CLEAR = 1,
3816 	/* Write operation. Used to write a new entry to the table. All RW
3817 	 * fields are written for new entry. Activity bit is set
3818 	 * for new entries.
3819 	 */
3820 	MLXSW_REG_RALUE_OP_WRITE_WRITE = 0,
3821 	/* Update operation. Used to update an existing route entry and
3822 	 * only update the RW fields that are detailed in the field
3823 	 * op_u_mask. If entry doesn't exist, the operation fails.
3824 	 */
3825 	MLXSW_REG_RALUE_OP_WRITE_UPDATE = 1,
3826 	/* Clear activity. The Activity bit (the field a) is cleared
3827 	 * for the entry.
3828 	 */
3829 	MLXSW_REG_RALUE_OP_WRITE_CLEAR = 2,
3830 	/* Delete operation. Used to delete an existing entry. If entry
3831 	 * doesn't exist, the operation fails.
3832 	 */
3833 	MLXSW_REG_RALUE_OP_WRITE_DELETE = 3,
3834 };
3835 
3836 /* reg_ralue_op
3837  * Operation.
3838  * Access: OP
3839  */
3840 MLXSW_ITEM32(reg, ralue, op, 0x00, 20, 3);
3841 
3842 /* reg_ralue_a
3843  * Activity. Set for new entries. Set if a packet lookup has hit on the
3844  * specific entry, only if the entry is a route. To clear the a bit, use
3845  * "clear activity" op.
3846  * Enabled by activity_dis in RGCR
3847  * Access: RO
3848  */
3849 MLXSW_ITEM32(reg, ralue, a, 0x00, 16, 1);
3850 
3851 /* reg_ralue_virtual_router
3852  * Virtual Router ID
3853  * Range is 0..cap_max_virtual_routers-1
3854  * Access: Index
3855  */
3856 MLXSW_ITEM32(reg, ralue, virtual_router, 0x04, 16, 16);
3857 
3858 #define MLXSW_REG_RALUE_OP_U_MASK_ENTRY_TYPE	BIT(0)
3859 #define MLXSW_REG_RALUE_OP_U_MASK_BMP_LEN	BIT(1)
3860 #define MLXSW_REG_RALUE_OP_U_MASK_ACTION	BIT(2)
3861 
3862 /* reg_ralue_op_u_mask
3863  * opcode update mask.
3864  * On read operation, this field is reserved.
3865  * This field is valid for update opcode, otherwise - reserved.
3866  * This field is a bitmask of the fields that should be updated.
3867  * Access: WO
3868  */
3869 MLXSW_ITEM32(reg, ralue, op_u_mask, 0x04, 8, 3);
3870 
3871 /* reg_ralue_prefix_len
3872  * Number of bits in the prefix of the LPM route.
3873  * Note that for IPv6 prefixes, if prefix_len>64 the entry consumes
3874  * two entries in the physical HW table.
3875  * Access: Index
3876  */
3877 MLXSW_ITEM32(reg, ralue, prefix_len, 0x08, 0, 8);
3878 
3879 /* reg_ralue_dip*
3880  * The prefix of the route or of the marker that the object of the LPM
3881  * is compared with. The most significant bits of the dip are the prefix.
3882  * The list significant bits must be '0' if the prefix_len is smaller
3883  * than 128 for IPv6 or smaller than 32 for IPv4.
3884  * IPv4 address uses bits dip[31:0] and bits dip[127:32] are reserved.
3885  * Access: Index
3886  */
3887 MLXSW_ITEM32(reg, ralue, dip4, 0x18, 0, 32);
3888 
3889 enum mlxsw_reg_ralue_entry_type {
3890 	MLXSW_REG_RALUE_ENTRY_TYPE_MARKER_ENTRY = 1,
3891 	MLXSW_REG_RALUE_ENTRY_TYPE_ROUTE_ENTRY = 2,
3892 	MLXSW_REG_RALUE_ENTRY_TYPE_MARKER_AND_ROUTE_ENTRY = 3,
3893 };
3894 
3895 /* reg_ralue_entry_type
3896  * Entry type.
3897  * Note - for Marker entries, the action_type and action fields are reserved.
3898  * Access: RW
3899  */
3900 MLXSW_ITEM32(reg, ralue, entry_type, 0x1C, 30, 2);
3901 
3902 /* reg_ralue_bmp_len
3903  * The best match prefix length in the case that there is no match for
3904  * longer prefixes.
3905  * If (entry_type != MARKER_ENTRY), bmp_len must be equal to prefix_len
3906  * Note for any update operation with entry_type modification this
3907  * field must be set.
3908  * Access: RW
3909  */
3910 MLXSW_ITEM32(reg, ralue, bmp_len, 0x1C, 16, 8);
3911 
3912 enum mlxsw_reg_ralue_action_type {
3913 	MLXSW_REG_RALUE_ACTION_TYPE_REMOTE,
3914 	MLXSW_REG_RALUE_ACTION_TYPE_LOCAL,
3915 	MLXSW_REG_RALUE_ACTION_TYPE_IP2ME,
3916 };
3917 
3918 /* reg_ralue_action_type
3919  * Action Type
3920  * Indicates how the IP address is connected.
3921  * It can be connected to a local subnet through local_erif or can be
3922  * on a remote subnet connected through a next-hop router,
3923  * or transmitted to the CPU.
3924  * Reserved when entry_type = MARKER_ENTRY
3925  * Access: RW
3926  */
3927 MLXSW_ITEM32(reg, ralue, action_type, 0x1C, 0, 2);
3928 
3929 enum mlxsw_reg_ralue_trap_action {
3930 	MLXSW_REG_RALUE_TRAP_ACTION_NOP,
3931 	MLXSW_REG_RALUE_TRAP_ACTION_TRAP,
3932 	MLXSW_REG_RALUE_TRAP_ACTION_MIRROR_TO_CPU,
3933 	MLXSW_REG_RALUE_TRAP_ACTION_MIRROR,
3934 	MLXSW_REG_RALUE_TRAP_ACTION_DISCARD_ERROR,
3935 };
3936 
3937 /* reg_ralue_trap_action
3938  * Trap action.
3939  * For IP2ME action, only NOP and MIRROR are possible.
3940  * Access: RW
3941  */
3942 MLXSW_ITEM32(reg, ralue, trap_action, 0x20, 28, 4);
3943 
3944 /* reg_ralue_trap_id
3945  * Trap ID to be reported to CPU.
3946  * Trap ID is RTR_INGRESS0 or RTR_INGRESS1.
3947  * For trap_action of NOP, MIRROR and DISCARD_ERROR, trap_id is reserved.
3948  * Access: RW
3949  */
3950 MLXSW_ITEM32(reg, ralue, trap_id, 0x20, 0, 9);
3951 
3952 /* reg_ralue_adjacency_index
3953  * Points to the first entry of the group-based ECMP.
3954  * Only relevant in case of REMOTE action.
3955  * Access: RW
3956  */
3957 MLXSW_ITEM32(reg, ralue, adjacency_index, 0x24, 0, 24);
3958 
3959 /* reg_ralue_ecmp_size
3960  * Amount of sequential entries starting
3961  * from the adjacency_index (the number of ECMPs).
3962  * The valid range is 1-64, 512, 1024, 2048 and 4096.
3963  * Reserved when trap_action is TRAP or DISCARD_ERROR.
3964  * Only relevant in case of REMOTE action.
3965  * Access: RW
3966  */
3967 MLXSW_ITEM32(reg, ralue, ecmp_size, 0x28, 0, 13);
3968 
3969 /* reg_ralue_local_erif
3970  * Egress Router Interface.
3971  * Only relevant in case of LOCAL action.
3972  * Access: RW
3973  */
3974 MLXSW_ITEM32(reg, ralue, local_erif, 0x24, 0, 16);
3975 
3976 /* reg_ralue_v
3977  * Valid bit for the tunnel_ptr field.
3978  * If valid = 0 then trap to CPU as IP2ME trap ID.
3979  * If valid = 1 and the packet format allows NVE or IPinIP tunnel
3980  * decapsulation then tunnel decapsulation is done.
3981  * If valid = 1 and packet format does not allow NVE or IPinIP tunnel
3982  * decapsulation then trap as IP2ME trap ID.
3983  * Only relevant in case of IP2ME action.
3984  * Access: RW
3985  */
3986 MLXSW_ITEM32(reg, ralue, v, 0x24, 31, 1);
3987 
3988 /* reg_ralue_tunnel_ptr
3989  * Tunnel Pointer for NVE or IPinIP tunnel decapsulation.
3990  * For Spectrum, pointer to KVD Linear.
3991  * Only relevant in case of IP2ME action.
3992  * Access: RW
3993  */
3994 MLXSW_ITEM32(reg, ralue, tunnel_ptr, 0x24, 0, 24);
3995 
3996 static inline void mlxsw_reg_ralue_pack(char *payload,
3997 					enum mlxsw_reg_ralxx_protocol protocol,
3998 					enum mlxsw_reg_ralue_op op,
3999 					u16 virtual_router, u8 prefix_len)
4000 {
4001 	MLXSW_REG_ZERO(ralue, payload);
4002 	mlxsw_reg_ralue_protocol_set(payload, protocol);
4003 	mlxsw_reg_ralue_virtual_router_set(payload, virtual_router);
4004 	mlxsw_reg_ralue_prefix_len_set(payload, prefix_len);
4005 	mlxsw_reg_ralue_entry_type_set(payload,
4006 				       MLXSW_REG_RALUE_ENTRY_TYPE_ROUTE_ENTRY);
4007 	mlxsw_reg_ralue_bmp_len_set(payload, prefix_len);
4008 }
4009 
4010 static inline void mlxsw_reg_ralue_pack4(char *payload,
4011 					 enum mlxsw_reg_ralxx_protocol protocol,
4012 					 enum mlxsw_reg_ralue_op op,
4013 					 u16 virtual_router, u8 prefix_len,
4014 					 u32 dip)
4015 {
4016 	mlxsw_reg_ralue_pack(payload, protocol, op, virtual_router, prefix_len);
4017 	mlxsw_reg_ralue_dip4_set(payload, dip);
4018 }
4019 
4020 static inline void
4021 mlxsw_reg_ralue_act_remote_pack(char *payload,
4022 				enum mlxsw_reg_ralue_trap_action trap_action,
4023 				u16 trap_id, u32 adjacency_index, u16 ecmp_size)
4024 {
4025 	mlxsw_reg_ralue_action_type_set(payload,
4026 					MLXSW_REG_RALUE_ACTION_TYPE_REMOTE);
4027 	mlxsw_reg_ralue_trap_action_set(payload, trap_action);
4028 	mlxsw_reg_ralue_trap_id_set(payload, trap_id);
4029 	mlxsw_reg_ralue_adjacency_index_set(payload, adjacency_index);
4030 	mlxsw_reg_ralue_ecmp_size_set(payload, ecmp_size);
4031 }
4032 
4033 static inline void
4034 mlxsw_reg_ralue_act_local_pack(char *payload,
4035 			       enum mlxsw_reg_ralue_trap_action trap_action,
4036 			       u16 trap_id, u16 local_erif)
4037 {
4038 	mlxsw_reg_ralue_action_type_set(payload,
4039 					MLXSW_REG_RALUE_ACTION_TYPE_LOCAL);
4040 	mlxsw_reg_ralue_trap_action_set(payload, trap_action);
4041 	mlxsw_reg_ralue_trap_id_set(payload, trap_id);
4042 	mlxsw_reg_ralue_local_erif_set(payload, local_erif);
4043 }
4044 
4045 static inline void
4046 mlxsw_reg_ralue_act_ip2me_pack(char *payload)
4047 {
4048 	mlxsw_reg_ralue_action_type_set(payload,
4049 					MLXSW_REG_RALUE_ACTION_TYPE_IP2ME);
4050 }
4051 
4052 /* RAUHT - Router Algorithmic LPM Unicast Host Table Register
4053  * ----------------------------------------------------------
4054  * The RAUHT register is used to configure and query the Unicast Host table in
4055  * devices that implement the Algorithmic LPM.
4056  */
4057 #define MLXSW_REG_RAUHT_ID 0x8014
4058 #define MLXSW_REG_RAUHT_LEN 0x74
4059 
4060 static const struct mlxsw_reg_info mlxsw_reg_rauht = {
4061 	.id = MLXSW_REG_RAUHT_ID,
4062 	.len = MLXSW_REG_RAUHT_LEN,
4063 };
4064 
4065 enum mlxsw_reg_rauht_type {
4066 	MLXSW_REG_RAUHT_TYPE_IPV4,
4067 	MLXSW_REG_RAUHT_TYPE_IPV6,
4068 };
4069 
4070 /* reg_rauht_type
4071  * Access: Index
4072  */
4073 MLXSW_ITEM32(reg, rauht, type, 0x00, 24, 2);
4074 
4075 enum mlxsw_reg_rauht_op {
4076 	MLXSW_REG_RAUHT_OP_QUERY_READ = 0,
4077 	/* Read operation */
4078 	MLXSW_REG_RAUHT_OP_QUERY_CLEAR_ON_READ = 1,
4079 	/* Clear on read operation. Used to read entry and clear
4080 	 * activity bit.
4081 	 */
4082 	MLXSW_REG_RAUHT_OP_WRITE_ADD = 0,
4083 	/* Add. Used to write a new entry to the table. All R/W fields are
4084 	 * relevant for new entry. Activity bit is set for new entries.
4085 	 */
4086 	MLXSW_REG_RAUHT_OP_WRITE_UPDATE = 1,
4087 	/* Update action. Used to update an existing route entry and
4088 	 * only update the following fields:
4089 	 * trap_action, trap_id, mac, counter_set_type, counter_index
4090 	 */
4091 	MLXSW_REG_RAUHT_OP_WRITE_CLEAR_ACTIVITY = 2,
4092 	/* Clear activity. A bit is cleared for the entry. */
4093 	MLXSW_REG_RAUHT_OP_WRITE_DELETE = 3,
4094 	/* Delete entry */
4095 	MLXSW_REG_RAUHT_OP_WRITE_DELETE_ALL = 4,
4096 	/* Delete all host entries on a RIF. In this command, dip
4097 	 * field is reserved.
4098 	 */
4099 };
4100 
4101 /* reg_rauht_op
4102  * Access: OP
4103  */
4104 MLXSW_ITEM32(reg, rauht, op, 0x00, 20, 3);
4105 
4106 /* reg_rauht_a
4107  * Activity. Set for new entries. Set if a packet lookup has hit on
4108  * the specific entry.
4109  * To clear the a bit, use "clear activity" op.
4110  * Enabled by activity_dis in RGCR
4111  * Access: RO
4112  */
4113 MLXSW_ITEM32(reg, rauht, a, 0x00, 16, 1);
4114 
4115 /* reg_rauht_rif
4116  * Router Interface
4117  * Access: Index
4118  */
4119 MLXSW_ITEM32(reg, rauht, rif, 0x00, 0, 16);
4120 
4121 /* reg_rauht_dip*
4122  * Destination address.
4123  * Access: Index
4124  */
4125 MLXSW_ITEM32(reg, rauht, dip4, 0x1C, 0x0, 32);
4126 
4127 enum mlxsw_reg_rauht_trap_action {
4128 	MLXSW_REG_RAUHT_TRAP_ACTION_NOP,
4129 	MLXSW_REG_RAUHT_TRAP_ACTION_TRAP,
4130 	MLXSW_REG_RAUHT_TRAP_ACTION_MIRROR_TO_CPU,
4131 	MLXSW_REG_RAUHT_TRAP_ACTION_MIRROR,
4132 	MLXSW_REG_RAUHT_TRAP_ACTION_DISCARD_ERRORS,
4133 };
4134 
4135 /* reg_rauht_trap_action
4136  * Access: RW
4137  */
4138 MLXSW_ITEM32(reg, rauht, trap_action, 0x60, 28, 4);
4139 
4140 enum mlxsw_reg_rauht_trap_id {
4141 	MLXSW_REG_RAUHT_TRAP_ID_RTR_EGRESS0,
4142 	MLXSW_REG_RAUHT_TRAP_ID_RTR_EGRESS1,
4143 };
4144 
4145 /* reg_rauht_trap_id
4146  * Trap ID to be reported to CPU.
4147  * Trap-ID is RTR_EGRESS0 or RTR_EGRESS1.
4148  * For trap_action of NOP, MIRROR and DISCARD_ERROR,
4149  * trap_id is reserved.
4150  * Access: RW
4151  */
4152 MLXSW_ITEM32(reg, rauht, trap_id, 0x60, 0, 9);
4153 
4154 /* reg_rauht_counter_set_type
4155  * Counter set type for flow counters
4156  * Access: RW
4157  */
4158 MLXSW_ITEM32(reg, rauht, counter_set_type, 0x68, 24, 8);
4159 
4160 /* reg_rauht_counter_index
4161  * Counter index for flow counters
4162  * Access: RW
4163  */
4164 MLXSW_ITEM32(reg, rauht, counter_index, 0x68, 0, 24);
4165 
4166 /* reg_rauht_mac
4167  * MAC address.
4168  * Access: RW
4169  */
4170 MLXSW_ITEM_BUF(reg, rauht, mac, 0x6E, 6);
4171 
4172 static inline void mlxsw_reg_rauht_pack(char *payload,
4173 					enum mlxsw_reg_rauht_op op, u16 rif,
4174 					const char *mac)
4175 {
4176 	MLXSW_REG_ZERO(rauht, payload);
4177 	mlxsw_reg_rauht_op_set(payload, op);
4178 	mlxsw_reg_rauht_rif_set(payload, rif);
4179 	mlxsw_reg_rauht_mac_memcpy_to(payload, mac);
4180 }
4181 
4182 static inline void mlxsw_reg_rauht_pack4(char *payload,
4183 					 enum mlxsw_reg_rauht_op op, u16 rif,
4184 					 const char *mac, u32 dip)
4185 {
4186 	mlxsw_reg_rauht_pack(payload, op, rif, mac);
4187 	mlxsw_reg_rauht_dip4_set(payload, dip);
4188 }
4189 
4190 /* RALEU - Router Algorithmic LPM ECMP Update Register
4191  * ---------------------------------------------------
4192  * The register enables updating the ECMP section in the action for multiple
4193  * LPM Unicast entries in a single operation. The update is executed to
4194  * all entries of a {virtual router, protocol} tuple using the same ECMP group.
4195  */
4196 #define MLXSW_REG_RALEU_ID 0x8015
4197 #define MLXSW_REG_RALEU_LEN 0x28
4198 
4199 static const struct mlxsw_reg_info mlxsw_reg_raleu = {
4200 	.id = MLXSW_REG_RALEU_ID,
4201 	.len = MLXSW_REG_RALEU_LEN,
4202 };
4203 
4204 /* reg_raleu_protocol
4205  * Protocol.
4206  * Access: Index
4207  */
4208 MLXSW_ITEM32(reg, raleu, protocol, 0x00, 24, 4);
4209 
4210 /* reg_raleu_virtual_router
4211  * Virtual Router ID
4212  * Range is 0..cap_max_virtual_routers-1
4213  * Access: Index
4214  */
4215 MLXSW_ITEM32(reg, raleu, virtual_router, 0x00, 0, 16);
4216 
4217 /* reg_raleu_adjacency_index
4218  * Adjacency Index used for matching on the existing entries.
4219  * Access: Index
4220  */
4221 MLXSW_ITEM32(reg, raleu, adjacency_index, 0x10, 0, 24);
4222 
4223 /* reg_raleu_ecmp_size
4224  * ECMP Size used for matching on the existing entries.
4225  * Access: Index
4226  */
4227 MLXSW_ITEM32(reg, raleu, ecmp_size, 0x14, 0, 13);
4228 
4229 /* reg_raleu_new_adjacency_index
4230  * New Adjacency Index.
4231  * Access: WO
4232  */
4233 MLXSW_ITEM32(reg, raleu, new_adjacency_index, 0x20, 0, 24);
4234 
4235 /* reg_raleu_new_ecmp_size
4236  * New ECMP Size.
4237  * Access: WO
4238  */
4239 MLXSW_ITEM32(reg, raleu, new_ecmp_size, 0x24, 0, 13);
4240 
4241 static inline void mlxsw_reg_raleu_pack(char *payload,
4242 					enum mlxsw_reg_ralxx_protocol protocol,
4243 					u16 virtual_router,
4244 					u32 adjacency_index, u16 ecmp_size,
4245 					u32 new_adjacency_index,
4246 					u16 new_ecmp_size)
4247 {
4248 	MLXSW_REG_ZERO(raleu, payload);
4249 	mlxsw_reg_raleu_protocol_set(payload, protocol);
4250 	mlxsw_reg_raleu_virtual_router_set(payload, virtual_router);
4251 	mlxsw_reg_raleu_adjacency_index_set(payload, adjacency_index);
4252 	mlxsw_reg_raleu_ecmp_size_set(payload, ecmp_size);
4253 	mlxsw_reg_raleu_new_adjacency_index_set(payload, new_adjacency_index);
4254 	mlxsw_reg_raleu_new_ecmp_size_set(payload, new_ecmp_size);
4255 }
4256 
4257 /* RAUHTD - Router Algorithmic LPM Unicast Host Table Dump Register
4258  * ----------------------------------------------------------------
4259  * The RAUHTD register allows dumping entries from the Router Unicast Host
4260  * Table. For a given session an entry is dumped no more than one time. The
4261  * first RAUHTD access after reset is a new session. A session ends when the
4262  * num_rec response is smaller than num_rec request or for IPv4 when the
4263  * num_entries is smaller than 4. The clear activity affect the current session
4264  * or the last session if a new session has not started.
4265  */
4266 #define MLXSW_REG_RAUHTD_ID 0x8018
4267 #define MLXSW_REG_RAUHTD_BASE_LEN 0x20
4268 #define MLXSW_REG_RAUHTD_REC_LEN 0x20
4269 #define MLXSW_REG_RAUHTD_REC_MAX_NUM 32
4270 #define MLXSW_REG_RAUHTD_LEN (MLXSW_REG_RAUHTD_BASE_LEN + \
4271 		MLXSW_REG_RAUHTD_REC_MAX_NUM * MLXSW_REG_RAUHTD_REC_LEN)
4272 #define MLXSW_REG_RAUHTD_IPV4_ENT_PER_REC 4
4273 
4274 static const struct mlxsw_reg_info mlxsw_reg_rauhtd = {
4275 	.id = MLXSW_REG_RAUHTD_ID,
4276 	.len = MLXSW_REG_RAUHTD_LEN,
4277 };
4278 
4279 #define MLXSW_REG_RAUHTD_FILTER_A BIT(0)
4280 #define MLXSW_REG_RAUHTD_FILTER_RIF BIT(3)
4281 
4282 /* reg_rauhtd_filter_fields
4283  * if a bit is '0' then the relevant field is ignored and dump is done
4284  * regardless of the field value
4285  * Bit0 - filter by activity: entry_a
4286  * Bit3 - filter by entry rip: entry_rif
4287  * Access: Index
4288  */
4289 MLXSW_ITEM32(reg, rauhtd, filter_fields, 0x00, 0, 8);
4290 
4291 enum mlxsw_reg_rauhtd_op {
4292 	MLXSW_REG_RAUHTD_OP_DUMP,
4293 	MLXSW_REG_RAUHTD_OP_DUMP_AND_CLEAR,
4294 };
4295 
4296 /* reg_rauhtd_op
4297  * Access: OP
4298  */
4299 MLXSW_ITEM32(reg, rauhtd, op, 0x04, 24, 2);
4300 
4301 /* reg_rauhtd_num_rec
4302  * At request: number of records requested
4303  * At response: number of records dumped
4304  * For IPv4, each record has 4 entries at request and up to 4 entries
4305  * at response
4306  * Range is 0..MLXSW_REG_RAUHTD_REC_MAX_NUM
4307  * Access: Index
4308  */
4309 MLXSW_ITEM32(reg, rauhtd, num_rec, 0x04, 0, 8);
4310 
4311 /* reg_rauhtd_entry_a
4312  * Dump only if activity has value of entry_a
4313  * Reserved if filter_fields bit0 is '0'
4314  * Access: Index
4315  */
4316 MLXSW_ITEM32(reg, rauhtd, entry_a, 0x08, 16, 1);
4317 
4318 enum mlxsw_reg_rauhtd_type {
4319 	MLXSW_REG_RAUHTD_TYPE_IPV4,
4320 	MLXSW_REG_RAUHTD_TYPE_IPV6,
4321 };
4322 
4323 /* reg_rauhtd_type
4324  * Dump only if record type is:
4325  * 0 - IPv4
4326  * 1 - IPv6
4327  * Access: Index
4328  */
4329 MLXSW_ITEM32(reg, rauhtd, type, 0x08, 0, 4);
4330 
4331 /* reg_rauhtd_entry_rif
4332  * Dump only if RIF has value of entry_rif
4333  * Reserved if filter_fields bit3 is '0'
4334  * Access: Index
4335  */
4336 MLXSW_ITEM32(reg, rauhtd, entry_rif, 0x0C, 0, 16);
4337 
4338 static inline void mlxsw_reg_rauhtd_pack(char *payload,
4339 					 enum mlxsw_reg_rauhtd_type type)
4340 {
4341 	MLXSW_REG_ZERO(rauhtd, payload);
4342 	mlxsw_reg_rauhtd_filter_fields_set(payload, MLXSW_REG_RAUHTD_FILTER_A);
4343 	mlxsw_reg_rauhtd_op_set(payload, MLXSW_REG_RAUHTD_OP_DUMP_AND_CLEAR);
4344 	mlxsw_reg_rauhtd_num_rec_set(payload, MLXSW_REG_RAUHTD_REC_MAX_NUM);
4345 	mlxsw_reg_rauhtd_entry_a_set(payload, 1);
4346 	mlxsw_reg_rauhtd_type_set(payload, type);
4347 }
4348 
4349 /* reg_rauhtd_ipv4_rec_num_entries
4350  * Number of valid entries in this record:
4351  * 0 - 1 valid entry
4352  * 1 - 2 valid entries
4353  * 2 - 3 valid entries
4354  * 3 - 4 valid entries
4355  * Access: RO
4356  */
4357 MLXSW_ITEM32_INDEXED(reg, rauhtd, ipv4_rec_num_entries,
4358 		     MLXSW_REG_RAUHTD_BASE_LEN, 28, 2,
4359 		     MLXSW_REG_RAUHTD_REC_LEN, 0x00, false);
4360 
4361 /* reg_rauhtd_rec_type
4362  * Record type.
4363  * 0 - IPv4
4364  * 1 - IPv6
4365  * Access: RO
4366  */
4367 MLXSW_ITEM32_INDEXED(reg, rauhtd, rec_type, MLXSW_REG_RAUHTD_BASE_LEN, 24, 2,
4368 		     MLXSW_REG_RAUHTD_REC_LEN, 0x00, false);
4369 
4370 #define MLXSW_REG_RAUHTD_IPV4_ENT_LEN 0x8
4371 
4372 /* reg_rauhtd_ipv4_ent_a
4373  * Activity. Set for new entries. Set if a packet lookup has hit on the
4374  * specific entry.
4375  * Access: RO
4376  */
4377 MLXSW_ITEM32_INDEXED(reg, rauhtd, ipv4_ent_a, MLXSW_REG_RAUHTD_BASE_LEN, 16, 1,
4378 		     MLXSW_REG_RAUHTD_IPV4_ENT_LEN, 0x00, false);
4379 
4380 /* reg_rauhtd_ipv4_ent_rif
4381  * Router interface.
4382  * Access: RO
4383  */
4384 MLXSW_ITEM32_INDEXED(reg, rauhtd, ipv4_ent_rif, MLXSW_REG_RAUHTD_BASE_LEN, 0,
4385 		     16, MLXSW_REG_RAUHTD_IPV4_ENT_LEN, 0x00, false);
4386 
4387 /* reg_rauhtd_ipv4_ent_dip
4388  * Destination IPv4 address.
4389  * Access: RO
4390  */
4391 MLXSW_ITEM32_INDEXED(reg, rauhtd, ipv4_ent_dip, MLXSW_REG_RAUHTD_BASE_LEN, 0,
4392 		     32, MLXSW_REG_RAUHTD_IPV4_ENT_LEN, 0x04, false);
4393 
4394 static inline void mlxsw_reg_rauhtd_ent_ipv4_unpack(char *payload,
4395 						    int ent_index, u16 *p_rif,
4396 						    u32 *p_dip)
4397 {
4398 	*p_rif = mlxsw_reg_rauhtd_ipv4_ent_rif_get(payload, ent_index);
4399 	*p_dip = mlxsw_reg_rauhtd_ipv4_ent_dip_get(payload, ent_index);
4400 }
4401 
4402 /* MFCR - Management Fan Control Register
4403  * --------------------------------------
4404  * This register controls the settings of the Fan Speed PWM mechanism.
4405  */
4406 #define MLXSW_REG_MFCR_ID 0x9001
4407 #define MLXSW_REG_MFCR_LEN 0x08
4408 
4409 static const struct mlxsw_reg_info mlxsw_reg_mfcr = {
4410 	.id = MLXSW_REG_MFCR_ID,
4411 	.len = MLXSW_REG_MFCR_LEN,
4412 };
4413 
4414 enum mlxsw_reg_mfcr_pwm_frequency {
4415 	MLXSW_REG_MFCR_PWM_FEQ_11HZ = 0x00,
4416 	MLXSW_REG_MFCR_PWM_FEQ_14_7HZ = 0x01,
4417 	MLXSW_REG_MFCR_PWM_FEQ_22_1HZ = 0x02,
4418 	MLXSW_REG_MFCR_PWM_FEQ_1_4KHZ = 0x40,
4419 	MLXSW_REG_MFCR_PWM_FEQ_5KHZ = 0x41,
4420 	MLXSW_REG_MFCR_PWM_FEQ_20KHZ = 0x42,
4421 	MLXSW_REG_MFCR_PWM_FEQ_22_5KHZ = 0x43,
4422 	MLXSW_REG_MFCR_PWM_FEQ_25KHZ = 0x44,
4423 };
4424 
4425 /* reg_mfcr_pwm_frequency
4426  * Controls the frequency of the PWM signal.
4427  * Access: RW
4428  */
4429 MLXSW_ITEM32(reg, mfcr, pwm_frequency, 0x00, 0, 6);
4430 
4431 #define MLXSW_MFCR_TACHOS_MAX 10
4432 
4433 /* reg_mfcr_tacho_active
4434  * Indicates which of the tachometer is active (bit per tachometer).
4435  * Access: RO
4436  */
4437 MLXSW_ITEM32(reg, mfcr, tacho_active, 0x04, 16, MLXSW_MFCR_TACHOS_MAX);
4438 
4439 #define MLXSW_MFCR_PWMS_MAX 5
4440 
4441 /* reg_mfcr_pwm_active
4442  * Indicates which of the PWM control is active (bit per PWM).
4443  * Access: RO
4444  */
4445 MLXSW_ITEM32(reg, mfcr, pwm_active, 0x04, 0, MLXSW_MFCR_PWMS_MAX);
4446 
4447 static inline void
4448 mlxsw_reg_mfcr_pack(char *payload,
4449 		    enum mlxsw_reg_mfcr_pwm_frequency pwm_frequency)
4450 {
4451 	MLXSW_REG_ZERO(mfcr, payload);
4452 	mlxsw_reg_mfcr_pwm_frequency_set(payload, pwm_frequency);
4453 }
4454 
4455 static inline void
4456 mlxsw_reg_mfcr_unpack(char *payload,
4457 		      enum mlxsw_reg_mfcr_pwm_frequency *p_pwm_frequency,
4458 		      u16 *p_tacho_active, u8 *p_pwm_active)
4459 {
4460 	*p_pwm_frequency = mlxsw_reg_mfcr_pwm_frequency_get(payload);
4461 	*p_tacho_active = mlxsw_reg_mfcr_tacho_active_get(payload);
4462 	*p_pwm_active = mlxsw_reg_mfcr_pwm_active_get(payload);
4463 }
4464 
4465 /* MFSC - Management Fan Speed Control Register
4466  * --------------------------------------------
4467  * This register controls the settings of the Fan Speed PWM mechanism.
4468  */
4469 #define MLXSW_REG_MFSC_ID 0x9002
4470 #define MLXSW_REG_MFSC_LEN 0x08
4471 
4472 static const struct mlxsw_reg_info mlxsw_reg_mfsc = {
4473 	.id = MLXSW_REG_MFSC_ID,
4474 	.len = MLXSW_REG_MFSC_LEN,
4475 };
4476 
4477 /* reg_mfsc_pwm
4478  * Fan pwm to control / monitor.
4479  * Access: Index
4480  */
4481 MLXSW_ITEM32(reg, mfsc, pwm, 0x00, 24, 3);
4482 
4483 /* reg_mfsc_pwm_duty_cycle
4484  * Controls the duty cycle of the PWM. Value range from 0..255 to
4485  * represent duty cycle of 0%...100%.
4486  * Access: RW
4487  */
4488 MLXSW_ITEM32(reg, mfsc, pwm_duty_cycle, 0x04, 0, 8);
4489 
4490 static inline void mlxsw_reg_mfsc_pack(char *payload, u8 pwm,
4491 				       u8 pwm_duty_cycle)
4492 {
4493 	MLXSW_REG_ZERO(mfsc, payload);
4494 	mlxsw_reg_mfsc_pwm_set(payload, pwm);
4495 	mlxsw_reg_mfsc_pwm_duty_cycle_set(payload, pwm_duty_cycle);
4496 }
4497 
4498 /* MFSM - Management Fan Speed Measurement
4499  * ---------------------------------------
4500  * This register controls the settings of the Tacho measurements and
4501  * enables reading the Tachometer measurements.
4502  */
4503 #define MLXSW_REG_MFSM_ID 0x9003
4504 #define MLXSW_REG_MFSM_LEN 0x08
4505 
4506 static const struct mlxsw_reg_info mlxsw_reg_mfsm = {
4507 	.id = MLXSW_REG_MFSM_ID,
4508 	.len = MLXSW_REG_MFSM_LEN,
4509 };
4510 
4511 /* reg_mfsm_tacho
4512  * Fan tachometer index.
4513  * Access: Index
4514  */
4515 MLXSW_ITEM32(reg, mfsm, tacho, 0x00, 24, 4);
4516 
4517 /* reg_mfsm_rpm
4518  * Fan speed (round per minute).
4519  * Access: RO
4520  */
4521 MLXSW_ITEM32(reg, mfsm, rpm, 0x04, 0, 16);
4522 
4523 static inline void mlxsw_reg_mfsm_pack(char *payload, u8 tacho)
4524 {
4525 	MLXSW_REG_ZERO(mfsm, payload);
4526 	mlxsw_reg_mfsm_tacho_set(payload, tacho);
4527 }
4528 
4529 /* MTCAP - Management Temperature Capabilities
4530  * -------------------------------------------
4531  * This register exposes the capabilities of the device and
4532  * system temperature sensing.
4533  */
4534 #define MLXSW_REG_MTCAP_ID 0x9009
4535 #define MLXSW_REG_MTCAP_LEN 0x08
4536 
4537 static const struct mlxsw_reg_info mlxsw_reg_mtcap = {
4538 	.id = MLXSW_REG_MTCAP_ID,
4539 	.len = MLXSW_REG_MTCAP_LEN,
4540 };
4541 
4542 /* reg_mtcap_sensor_count
4543  * Number of sensors supported by the device.
4544  * This includes the QSFP module sensors (if exists in the QSFP module).
4545  * Access: RO
4546  */
4547 MLXSW_ITEM32(reg, mtcap, sensor_count, 0x00, 0, 7);
4548 
4549 /* MTMP - Management Temperature
4550  * -----------------------------
4551  * This register controls the settings of the temperature measurements
4552  * and enables reading the temperature measurements. Note that temperature
4553  * is in 0.125 degrees Celsius.
4554  */
4555 #define MLXSW_REG_MTMP_ID 0x900A
4556 #define MLXSW_REG_MTMP_LEN 0x20
4557 
4558 static const struct mlxsw_reg_info mlxsw_reg_mtmp = {
4559 	.id = MLXSW_REG_MTMP_ID,
4560 	.len = MLXSW_REG_MTMP_LEN,
4561 };
4562 
4563 /* reg_mtmp_sensor_index
4564  * Sensors index to access.
4565  * 64-127 of sensor_index are mapped to the SFP+/QSFP modules sequentially
4566  * (module 0 is mapped to sensor_index 64).
4567  * Access: Index
4568  */
4569 MLXSW_ITEM32(reg, mtmp, sensor_index, 0x00, 0, 7);
4570 
4571 /* Convert to milli degrees Celsius */
4572 #define MLXSW_REG_MTMP_TEMP_TO_MC(val) (val * 125)
4573 
4574 /* reg_mtmp_temperature
4575  * Temperature reading from the sensor. Reading is in 0.125 Celsius
4576  * degrees units.
4577  * Access: RO
4578  */
4579 MLXSW_ITEM32(reg, mtmp, temperature, 0x04, 0, 16);
4580 
4581 /* reg_mtmp_mte
4582  * Max Temperature Enable - enables measuring the max temperature on a sensor.
4583  * Access: RW
4584  */
4585 MLXSW_ITEM32(reg, mtmp, mte, 0x08, 31, 1);
4586 
4587 /* reg_mtmp_mtr
4588  * Max Temperature Reset - clears the value of the max temperature register.
4589  * Access: WO
4590  */
4591 MLXSW_ITEM32(reg, mtmp, mtr, 0x08, 30, 1);
4592 
4593 /* reg_mtmp_max_temperature
4594  * The highest measured temperature from the sensor.
4595  * When the bit mte is cleared, the field max_temperature is reserved.
4596  * Access: RO
4597  */
4598 MLXSW_ITEM32(reg, mtmp, max_temperature, 0x08, 0, 16);
4599 
4600 #define MLXSW_REG_MTMP_SENSOR_NAME_SIZE 8
4601 
4602 /* reg_mtmp_sensor_name
4603  * Sensor Name
4604  * Access: RO
4605  */
4606 MLXSW_ITEM_BUF(reg, mtmp, sensor_name, 0x18, MLXSW_REG_MTMP_SENSOR_NAME_SIZE);
4607 
4608 static inline void mlxsw_reg_mtmp_pack(char *payload, u8 sensor_index,
4609 				       bool max_temp_enable,
4610 				       bool max_temp_reset)
4611 {
4612 	MLXSW_REG_ZERO(mtmp, payload);
4613 	mlxsw_reg_mtmp_sensor_index_set(payload, sensor_index);
4614 	mlxsw_reg_mtmp_mte_set(payload, max_temp_enable);
4615 	mlxsw_reg_mtmp_mtr_set(payload, max_temp_reset);
4616 }
4617 
4618 static inline void mlxsw_reg_mtmp_unpack(char *payload, unsigned int *p_temp,
4619 					 unsigned int *p_max_temp,
4620 					 char *sensor_name)
4621 {
4622 	u16 temp;
4623 
4624 	if (p_temp) {
4625 		temp = mlxsw_reg_mtmp_temperature_get(payload);
4626 		*p_temp = MLXSW_REG_MTMP_TEMP_TO_MC(temp);
4627 	}
4628 	if (p_max_temp) {
4629 		temp = mlxsw_reg_mtmp_max_temperature_get(payload);
4630 		*p_max_temp = MLXSW_REG_MTMP_TEMP_TO_MC(temp);
4631 	}
4632 	if (sensor_name)
4633 		mlxsw_reg_mtmp_sensor_name_memcpy_from(payload, sensor_name);
4634 }
4635 
4636 /* MPAT - Monitoring Port Analyzer Table
4637  * -------------------------------------
4638  * MPAT Register is used to query and configure the Switch PortAnalyzer Table.
4639  * For an enabled analyzer, all fields except e (enable) cannot be modified.
4640  */
4641 #define MLXSW_REG_MPAT_ID 0x901A
4642 #define MLXSW_REG_MPAT_LEN 0x78
4643 
4644 static const struct mlxsw_reg_info mlxsw_reg_mpat = {
4645 	.id = MLXSW_REG_MPAT_ID,
4646 	.len = MLXSW_REG_MPAT_LEN,
4647 };
4648 
4649 /* reg_mpat_pa_id
4650  * Port Analyzer ID.
4651  * Access: Index
4652  */
4653 MLXSW_ITEM32(reg, mpat, pa_id, 0x00, 28, 4);
4654 
4655 /* reg_mpat_system_port
4656  * A unique port identifier for the final destination of the packet.
4657  * Access: RW
4658  */
4659 MLXSW_ITEM32(reg, mpat, system_port, 0x00, 0, 16);
4660 
4661 /* reg_mpat_e
4662  * Enable. Indicating the Port Analyzer is enabled.
4663  * Access: RW
4664  */
4665 MLXSW_ITEM32(reg, mpat, e, 0x04, 31, 1);
4666 
4667 /* reg_mpat_qos
4668  * Quality Of Service Mode.
4669  * 0: CONFIGURED - QoS parameters (Switch Priority, and encapsulation
4670  * PCP, DEI, DSCP or VL) are configured.
4671  * 1: MAINTAIN - QoS parameters (Switch Priority, Color) are the
4672  * same as in the original packet that has triggered the mirroring. For
4673  * SPAN also the pcp,dei are maintained.
4674  * Access: RW
4675  */
4676 MLXSW_ITEM32(reg, mpat, qos, 0x04, 26, 1);
4677 
4678 /* reg_mpat_be
4679  * Best effort mode. Indicates mirroring traffic should not cause packet
4680  * drop or back pressure, but will discard the mirrored packets. Mirrored
4681  * packets will be forwarded on a best effort manner.
4682  * 0: Do not discard mirrored packets
4683  * 1: Discard mirrored packets if causing congestion
4684  * Access: RW
4685  */
4686 MLXSW_ITEM32(reg, mpat, be, 0x04, 25, 1);
4687 
4688 static inline void mlxsw_reg_mpat_pack(char *payload, u8 pa_id,
4689 				       u16 system_port, bool e)
4690 {
4691 	MLXSW_REG_ZERO(mpat, payload);
4692 	mlxsw_reg_mpat_pa_id_set(payload, pa_id);
4693 	mlxsw_reg_mpat_system_port_set(payload, system_port);
4694 	mlxsw_reg_mpat_e_set(payload, e);
4695 	mlxsw_reg_mpat_qos_set(payload, 1);
4696 	mlxsw_reg_mpat_be_set(payload, 1);
4697 }
4698 
4699 /* MPAR - Monitoring Port Analyzer Register
4700  * ----------------------------------------
4701  * MPAR register is used to query and configure the port analyzer port mirroring
4702  * properties.
4703  */
4704 #define MLXSW_REG_MPAR_ID 0x901B
4705 #define MLXSW_REG_MPAR_LEN 0x08
4706 
4707 static const struct mlxsw_reg_info mlxsw_reg_mpar = {
4708 	.id = MLXSW_REG_MPAR_ID,
4709 	.len = MLXSW_REG_MPAR_LEN,
4710 };
4711 
4712 /* reg_mpar_local_port
4713  * The local port to mirror the packets from.
4714  * Access: Index
4715  */
4716 MLXSW_ITEM32(reg, mpar, local_port, 0x00, 16, 8);
4717 
4718 enum mlxsw_reg_mpar_i_e {
4719 	MLXSW_REG_MPAR_TYPE_EGRESS,
4720 	MLXSW_REG_MPAR_TYPE_INGRESS,
4721 };
4722 
4723 /* reg_mpar_i_e
4724  * Ingress/Egress
4725  * Access: Index
4726  */
4727 MLXSW_ITEM32(reg, mpar, i_e, 0x00, 0, 4);
4728 
4729 /* reg_mpar_enable
4730  * Enable mirroring
4731  * By default, port mirroring is disabled for all ports.
4732  * Access: RW
4733  */
4734 MLXSW_ITEM32(reg, mpar, enable, 0x04, 31, 1);
4735 
4736 /* reg_mpar_pa_id
4737  * Port Analyzer ID.
4738  * Access: RW
4739  */
4740 MLXSW_ITEM32(reg, mpar, pa_id, 0x04, 0, 4);
4741 
4742 static inline void mlxsw_reg_mpar_pack(char *payload, u8 local_port,
4743 				       enum mlxsw_reg_mpar_i_e i_e,
4744 				       bool enable, u8 pa_id)
4745 {
4746 	MLXSW_REG_ZERO(mpar, payload);
4747 	mlxsw_reg_mpar_local_port_set(payload, local_port);
4748 	mlxsw_reg_mpar_enable_set(payload, enable);
4749 	mlxsw_reg_mpar_i_e_set(payload, i_e);
4750 	mlxsw_reg_mpar_pa_id_set(payload, pa_id);
4751 }
4752 
4753 /* MLCR - Management LED Control Register
4754  * --------------------------------------
4755  * Controls the system LEDs.
4756  */
4757 #define MLXSW_REG_MLCR_ID 0x902B
4758 #define MLXSW_REG_MLCR_LEN 0x0C
4759 
4760 static const struct mlxsw_reg_info mlxsw_reg_mlcr = {
4761 	.id = MLXSW_REG_MLCR_ID,
4762 	.len = MLXSW_REG_MLCR_LEN,
4763 };
4764 
4765 /* reg_mlcr_local_port
4766  * Local port number.
4767  * Access: RW
4768  */
4769 MLXSW_ITEM32(reg, mlcr, local_port, 0x00, 16, 8);
4770 
4771 #define MLXSW_REG_MLCR_DURATION_MAX 0xFFFF
4772 
4773 /* reg_mlcr_beacon_duration
4774  * Duration of the beacon to be active, in seconds.
4775  * 0x0 - Will turn off the beacon.
4776  * 0xFFFF - Will turn on the beacon until explicitly turned off.
4777  * Access: RW
4778  */
4779 MLXSW_ITEM32(reg, mlcr, beacon_duration, 0x04, 0, 16);
4780 
4781 /* reg_mlcr_beacon_remain
4782  * Remaining duration of the beacon, in seconds.
4783  * 0xFFFF indicates an infinite amount of time.
4784  * Access: RO
4785  */
4786 MLXSW_ITEM32(reg, mlcr, beacon_remain, 0x08, 0, 16);
4787 
4788 static inline void mlxsw_reg_mlcr_pack(char *payload, u8 local_port,
4789 				       bool active)
4790 {
4791 	MLXSW_REG_ZERO(mlcr, payload);
4792 	mlxsw_reg_mlcr_local_port_set(payload, local_port);
4793 	mlxsw_reg_mlcr_beacon_duration_set(payload, active ?
4794 					   MLXSW_REG_MLCR_DURATION_MAX : 0);
4795 }
4796 
4797 /* SBPR - Shared Buffer Pools Register
4798  * -----------------------------------
4799  * The SBPR configures and retrieves the shared buffer pools and configuration.
4800  */
4801 #define MLXSW_REG_SBPR_ID 0xB001
4802 #define MLXSW_REG_SBPR_LEN 0x14
4803 
4804 static const struct mlxsw_reg_info mlxsw_reg_sbpr = {
4805 	.id = MLXSW_REG_SBPR_ID,
4806 	.len = MLXSW_REG_SBPR_LEN,
4807 };
4808 
4809 /* shared direstion enum for SBPR, SBCM, SBPM */
4810 enum mlxsw_reg_sbxx_dir {
4811 	MLXSW_REG_SBXX_DIR_INGRESS,
4812 	MLXSW_REG_SBXX_DIR_EGRESS,
4813 };
4814 
4815 /* reg_sbpr_dir
4816  * Direction.
4817  * Access: Index
4818  */
4819 MLXSW_ITEM32(reg, sbpr, dir, 0x00, 24, 2);
4820 
4821 /* reg_sbpr_pool
4822  * Pool index.
4823  * Access: Index
4824  */
4825 MLXSW_ITEM32(reg, sbpr, pool, 0x00, 0, 4);
4826 
4827 /* reg_sbpr_size
4828  * Pool size in buffer cells.
4829  * Access: RW
4830  */
4831 MLXSW_ITEM32(reg, sbpr, size, 0x04, 0, 24);
4832 
4833 enum mlxsw_reg_sbpr_mode {
4834 	MLXSW_REG_SBPR_MODE_STATIC,
4835 	MLXSW_REG_SBPR_MODE_DYNAMIC,
4836 };
4837 
4838 /* reg_sbpr_mode
4839  * Pool quota calculation mode.
4840  * Access: RW
4841  */
4842 MLXSW_ITEM32(reg, sbpr, mode, 0x08, 0, 4);
4843 
4844 static inline void mlxsw_reg_sbpr_pack(char *payload, u8 pool,
4845 				       enum mlxsw_reg_sbxx_dir dir,
4846 				       enum mlxsw_reg_sbpr_mode mode, u32 size)
4847 {
4848 	MLXSW_REG_ZERO(sbpr, payload);
4849 	mlxsw_reg_sbpr_pool_set(payload, pool);
4850 	mlxsw_reg_sbpr_dir_set(payload, dir);
4851 	mlxsw_reg_sbpr_mode_set(payload, mode);
4852 	mlxsw_reg_sbpr_size_set(payload, size);
4853 }
4854 
4855 /* SBCM - Shared Buffer Class Management Register
4856  * ----------------------------------------------
4857  * The SBCM register configures and retrieves the shared buffer allocation
4858  * and configuration according to Port-PG, including the binding to pool
4859  * and definition of the associated quota.
4860  */
4861 #define MLXSW_REG_SBCM_ID 0xB002
4862 #define MLXSW_REG_SBCM_LEN 0x28
4863 
4864 static const struct mlxsw_reg_info mlxsw_reg_sbcm = {
4865 	.id = MLXSW_REG_SBCM_ID,
4866 	.len = MLXSW_REG_SBCM_LEN,
4867 };
4868 
4869 /* reg_sbcm_local_port
4870  * Local port number.
4871  * For Ingress: excludes CPU port and Router port
4872  * For Egress: excludes IP Router
4873  * Access: Index
4874  */
4875 MLXSW_ITEM32(reg, sbcm, local_port, 0x00, 16, 8);
4876 
4877 /* reg_sbcm_pg_buff
4878  * PG buffer - Port PG (dir=ingress) / traffic class (dir=egress)
4879  * For PG buffer: range is 0..cap_max_pg_buffers - 1
4880  * For traffic class: range is 0..cap_max_tclass - 1
4881  * Note that when traffic class is in MC aware mode then the traffic
4882  * classes which are MC aware cannot be configured.
4883  * Access: Index
4884  */
4885 MLXSW_ITEM32(reg, sbcm, pg_buff, 0x00, 8, 6);
4886 
4887 /* reg_sbcm_dir
4888  * Direction.
4889  * Access: Index
4890  */
4891 MLXSW_ITEM32(reg, sbcm, dir, 0x00, 0, 2);
4892 
4893 /* reg_sbcm_min_buff
4894  * Minimum buffer size for the limiter, in cells.
4895  * Access: RW
4896  */
4897 MLXSW_ITEM32(reg, sbcm, min_buff, 0x18, 0, 24);
4898 
4899 /* shared max_buff limits for dynamic threshold for SBCM, SBPM */
4900 #define MLXSW_REG_SBXX_DYN_MAX_BUFF_MIN 1
4901 #define MLXSW_REG_SBXX_DYN_MAX_BUFF_MAX 14
4902 
4903 /* reg_sbcm_max_buff
4904  * When the pool associated to the port-pg/tclass is configured to
4905  * static, Maximum buffer size for the limiter configured in cells.
4906  * When the pool associated to the port-pg/tclass is configured to
4907  * dynamic, the max_buff holds the "alpha" parameter, supporting
4908  * the following values:
4909  * 0: 0
4910  * i: (1/128)*2^(i-1), for i=1..14
4911  * 0xFF: Infinity
4912  * Access: RW
4913  */
4914 MLXSW_ITEM32(reg, sbcm, max_buff, 0x1C, 0, 24);
4915 
4916 /* reg_sbcm_pool
4917  * Association of the port-priority to a pool.
4918  * Access: RW
4919  */
4920 MLXSW_ITEM32(reg, sbcm, pool, 0x24, 0, 4);
4921 
4922 static inline void mlxsw_reg_sbcm_pack(char *payload, u8 local_port, u8 pg_buff,
4923 				       enum mlxsw_reg_sbxx_dir dir,
4924 				       u32 min_buff, u32 max_buff, u8 pool)
4925 {
4926 	MLXSW_REG_ZERO(sbcm, payload);
4927 	mlxsw_reg_sbcm_local_port_set(payload, local_port);
4928 	mlxsw_reg_sbcm_pg_buff_set(payload, pg_buff);
4929 	mlxsw_reg_sbcm_dir_set(payload, dir);
4930 	mlxsw_reg_sbcm_min_buff_set(payload, min_buff);
4931 	mlxsw_reg_sbcm_max_buff_set(payload, max_buff);
4932 	mlxsw_reg_sbcm_pool_set(payload, pool);
4933 }
4934 
4935 /* SBPM - Shared Buffer Port Management Register
4936  * ---------------------------------------------
4937  * The SBPM register configures and retrieves the shared buffer allocation
4938  * and configuration according to Port-Pool, including the definition
4939  * of the associated quota.
4940  */
4941 #define MLXSW_REG_SBPM_ID 0xB003
4942 #define MLXSW_REG_SBPM_LEN 0x28
4943 
4944 static const struct mlxsw_reg_info mlxsw_reg_sbpm = {
4945 	.id = MLXSW_REG_SBPM_ID,
4946 	.len = MLXSW_REG_SBPM_LEN,
4947 };
4948 
4949 /* reg_sbpm_local_port
4950  * Local port number.
4951  * For Ingress: excludes CPU port and Router port
4952  * For Egress: excludes IP Router
4953  * Access: Index
4954  */
4955 MLXSW_ITEM32(reg, sbpm, local_port, 0x00, 16, 8);
4956 
4957 /* reg_sbpm_pool
4958  * The pool associated to quota counting on the local_port.
4959  * Access: Index
4960  */
4961 MLXSW_ITEM32(reg, sbpm, pool, 0x00, 8, 4);
4962 
4963 /* reg_sbpm_dir
4964  * Direction.
4965  * Access: Index
4966  */
4967 MLXSW_ITEM32(reg, sbpm, dir, 0x00, 0, 2);
4968 
4969 /* reg_sbpm_buff_occupancy
4970  * Current buffer occupancy in cells.
4971  * Access: RO
4972  */
4973 MLXSW_ITEM32(reg, sbpm, buff_occupancy, 0x10, 0, 24);
4974 
4975 /* reg_sbpm_clr
4976  * Clear Max Buffer Occupancy
4977  * When this bit is set, max_buff_occupancy field is cleared (and a
4978  * new max value is tracked from the time the clear was performed).
4979  * Access: OP
4980  */
4981 MLXSW_ITEM32(reg, sbpm, clr, 0x14, 31, 1);
4982 
4983 /* reg_sbpm_max_buff_occupancy
4984  * Maximum value of buffer occupancy in cells monitored. Cleared by
4985  * writing to the clr field.
4986  * Access: RO
4987  */
4988 MLXSW_ITEM32(reg, sbpm, max_buff_occupancy, 0x14, 0, 24);
4989 
4990 /* reg_sbpm_min_buff
4991  * Minimum buffer size for the limiter, in cells.
4992  * Access: RW
4993  */
4994 MLXSW_ITEM32(reg, sbpm, min_buff, 0x18, 0, 24);
4995 
4996 /* reg_sbpm_max_buff
4997  * When the pool associated to the port-pg/tclass is configured to
4998  * static, Maximum buffer size for the limiter configured in cells.
4999  * When the pool associated to the port-pg/tclass is configured to
5000  * dynamic, the max_buff holds the "alpha" parameter, supporting
5001  * the following values:
5002  * 0: 0
5003  * i: (1/128)*2^(i-1), for i=1..14
5004  * 0xFF: Infinity
5005  * Access: RW
5006  */
5007 MLXSW_ITEM32(reg, sbpm, max_buff, 0x1C, 0, 24);
5008 
5009 static inline void mlxsw_reg_sbpm_pack(char *payload, u8 local_port, u8 pool,
5010 				       enum mlxsw_reg_sbxx_dir dir, bool clr,
5011 				       u32 min_buff, u32 max_buff)
5012 {
5013 	MLXSW_REG_ZERO(sbpm, payload);
5014 	mlxsw_reg_sbpm_local_port_set(payload, local_port);
5015 	mlxsw_reg_sbpm_pool_set(payload, pool);
5016 	mlxsw_reg_sbpm_dir_set(payload, dir);
5017 	mlxsw_reg_sbpm_clr_set(payload, clr);
5018 	mlxsw_reg_sbpm_min_buff_set(payload, min_buff);
5019 	mlxsw_reg_sbpm_max_buff_set(payload, max_buff);
5020 }
5021 
5022 static inline void mlxsw_reg_sbpm_unpack(char *payload, u32 *p_buff_occupancy,
5023 					 u32 *p_max_buff_occupancy)
5024 {
5025 	*p_buff_occupancy = mlxsw_reg_sbpm_buff_occupancy_get(payload);
5026 	*p_max_buff_occupancy = mlxsw_reg_sbpm_max_buff_occupancy_get(payload);
5027 }
5028 
5029 /* SBMM - Shared Buffer Multicast Management Register
5030  * --------------------------------------------------
5031  * The SBMM register configures and retrieves the shared buffer allocation
5032  * and configuration for MC packets according to Switch-Priority, including
5033  * the binding to pool and definition of the associated quota.
5034  */
5035 #define MLXSW_REG_SBMM_ID 0xB004
5036 #define MLXSW_REG_SBMM_LEN 0x28
5037 
5038 static const struct mlxsw_reg_info mlxsw_reg_sbmm = {
5039 	.id = MLXSW_REG_SBMM_ID,
5040 	.len = MLXSW_REG_SBMM_LEN,
5041 };
5042 
5043 /* reg_sbmm_prio
5044  * Switch Priority.
5045  * Access: Index
5046  */
5047 MLXSW_ITEM32(reg, sbmm, prio, 0x00, 8, 4);
5048 
5049 /* reg_sbmm_min_buff
5050  * Minimum buffer size for the limiter, in cells.
5051  * Access: RW
5052  */
5053 MLXSW_ITEM32(reg, sbmm, min_buff, 0x18, 0, 24);
5054 
5055 /* reg_sbmm_max_buff
5056  * When the pool associated to the port-pg/tclass is configured to
5057  * static, Maximum buffer size for the limiter configured in cells.
5058  * When the pool associated to the port-pg/tclass is configured to
5059  * dynamic, the max_buff holds the "alpha" parameter, supporting
5060  * the following values:
5061  * 0: 0
5062  * i: (1/128)*2^(i-1), for i=1..14
5063  * 0xFF: Infinity
5064  * Access: RW
5065  */
5066 MLXSW_ITEM32(reg, sbmm, max_buff, 0x1C, 0, 24);
5067 
5068 /* reg_sbmm_pool
5069  * Association of the port-priority to a pool.
5070  * Access: RW
5071  */
5072 MLXSW_ITEM32(reg, sbmm, pool, 0x24, 0, 4);
5073 
5074 static inline void mlxsw_reg_sbmm_pack(char *payload, u8 prio, u32 min_buff,
5075 				       u32 max_buff, u8 pool)
5076 {
5077 	MLXSW_REG_ZERO(sbmm, payload);
5078 	mlxsw_reg_sbmm_prio_set(payload, prio);
5079 	mlxsw_reg_sbmm_min_buff_set(payload, min_buff);
5080 	mlxsw_reg_sbmm_max_buff_set(payload, max_buff);
5081 	mlxsw_reg_sbmm_pool_set(payload, pool);
5082 }
5083 
5084 /* SBSR - Shared Buffer Status Register
5085  * ------------------------------------
5086  * The SBSR register retrieves the shared buffer occupancy according to
5087  * Port-Pool. Note that this register enables reading a large amount of data.
5088  * It is the user's responsibility to limit the amount of data to ensure the
5089  * response can match the maximum transfer unit. In case the response exceeds
5090  * the maximum transport unit, it will be truncated with no special notice.
5091  */
5092 #define MLXSW_REG_SBSR_ID 0xB005
5093 #define MLXSW_REG_SBSR_BASE_LEN 0x5C /* base length, without records */
5094 #define MLXSW_REG_SBSR_REC_LEN 0x8 /* record length */
5095 #define MLXSW_REG_SBSR_REC_MAX_COUNT 120
5096 #define MLXSW_REG_SBSR_LEN (MLXSW_REG_SBSR_BASE_LEN +	\
5097 			    MLXSW_REG_SBSR_REC_LEN *	\
5098 			    MLXSW_REG_SBSR_REC_MAX_COUNT)
5099 
5100 static const struct mlxsw_reg_info mlxsw_reg_sbsr = {
5101 	.id = MLXSW_REG_SBSR_ID,
5102 	.len = MLXSW_REG_SBSR_LEN,
5103 };
5104 
5105 /* reg_sbsr_clr
5106  * Clear Max Buffer Occupancy. When this bit is set, the max_buff_occupancy
5107  * field is cleared (and a new max value is tracked from the time the clear
5108  * was performed).
5109  * Access: OP
5110  */
5111 MLXSW_ITEM32(reg, sbsr, clr, 0x00, 31, 1);
5112 
5113 /* reg_sbsr_ingress_port_mask
5114  * Bit vector for all ingress network ports.
5115  * Indicates which of the ports (for which the relevant bit is set)
5116  * are affected by the set operation. Configuration of any other port
5117  * does not change.
5118  * Access: Index
5119  */
5120 MLXSW_ITEM_BIT_ARRAY(reg, sbsr, ingress_port_mask, 0x10, 0x20, 1);
5121 
5122 /* reg_sbsr_pg_buff_mask
5123  * Bit vector for all switch priority groups.
5124  * Indicates which of the priorities (for which the relevant bit is set)
5125  * are affected by the set operation. Configuration of any other priority
5126  * does not change.
5127  * Range is 0..cap_max_pg_buffers - 1
5128  * Access: Index
5129  */
5130 MLXSW_ITEM_BIT_ARRAY(reg, sbsr, pg_buff_mask, 0x30, 0x4, 1);
5131 
5132 /* reg_sbsr_egress_port_mask
5133  * Bit vector for all egress network ports.
5134  * Indicates which of the ports (for which the relevant bit is set)
5135  * are affected by the set operation. Configuration of any other port
5136  * does not change.
5137  * Access: Index
5138  */
5139 MLXSW_ITEM_BIT_ARRAY(reg, sbsr, egress_port_mask, 0x34, 0x20, 1);
5140 
5141 /* reg_sbsr_tclass_mask
5142  * Bit vector for all traffic classes.
5143  * Indicates which of the traffic classes (for which the relevant bit is
5144  * set) are affected by the set operation. Configuration of any other
5145  * traffic class does not change.
5146  * Range is 0..cap_max_tclass - 1
5147  * Access: Index
5148  */
5149 MLXSW_ITEM_BIT_ARRAY(reg, sbsr, tclass_mask, 0x54, 0x8, 1);
5150 
5151 static inline void mlxsw_reg_sbsr_pack(char *payload, bool clr)
5152 {
5153 	MLXSW_REG_ZERO(sbsr, payload);
5154 	mlxsw_reg_sbsr_clr_set(payload, clr);
5155 }
5156 
5157 /* reg_sbsr_rec_buff_occupancy
5158  * Current buffer occupancy in cells.
5159  * Access: RO
5160  */
5161 MLXSW_ITEM32_INDEXED(reg, sbsr, rec_buff_occupancy, MLXSW_REG_SBSR_BASE_LEN,
5162 		     0, 24, MLXSW_REG_SBSR_REC_LEN, 0x00, false);
5163 
5164 /* reg_sbsr_rec_max_buff_occupancy
5165  * Maximum value of buffer occupancy in cells monitored. Cleared by
5166  * writing to the clr field.
5167  * Access: RO
5168  */
5169 MLXSW_ITEM32_INDEXED(reg, sbsr, rec_max_buff_occupancy, MLXSW_REG_SBSR_BASE_LEN,
5170 		     0, 24, MLXSW_REG_SBSR_REC_LEN, 0x04, false);
5171 
5172 static inline void mlxsw_reg_sbsr_rec_unpack(char *payload, int rec_index,
5173 					     u32 *p_buff_occupancy,
5174 					     u32 *p_max_buff_occupancy)
5175 {
5176 	*p_buff_occupancy =
5177 		mlxsw_reg_sbsr_rec_buff_occupancy_get(payload, rec_index);
5178 	*p_max_buff_occupancy =
5179 		mlxsw_reg_sbsr_rec_max_buff_occupancy_get(payload, rec_index);
5180 }
5181 
5182 /* SBIB - Shared Buffer Internal Buffer Register
5183  * ---------------------------------------------
5184  * The SBIB register configures per port buffers for internal use. The internal
5185  * buffers consume memory on the port buffers (note that the port buffers are
5186  * used also by PBMC).
5187  *
5188  * For Spectrum this is used for egress mirroring.
5189  */
5190 #define MLXSW_REG_SBIB_ID 0xB006
5191 #define MLXSW_REG_SBIB_LEN 0x10
5192 
5193 static const struct mlxsw_reg_info mlxsw_reg_sbib = {
5194 	.id = MLXSW_REG_SBIB_ID,
5195 	.len = MLXSW_REG_SBIB_LEN,
5196 };
5197 
5198 /* reg_sbib_local_port
5199  * Local port number
5200  * Not supported for CPU port and router port
5201  * Access: Index
5202  */
5203 MLXSW_ITEM32(reg, sbib, local_port, 0x00, 16, 8);
5204 
5205 /* reg_sbib_buff_size
5206  * Units represented in cells
5207  * Allowed range is 0 to (cap_max_headroom_size - 1)
5208  * Default is 0
5209  * Access: RW
5210  */
5211 MLXSW_ITEM32(reg, sbib, buff_size, 0x08, 0, 24);
5212 
5213 static inline void mlxsw_reg_sbib_pack(char *payload, u8 local_port,
5214 				       u32 buff_size)
5215 {
5216 	MLXSW_REG_ZERO(sbib, payload);
5217 	mlxsw_reg_sbib_local_port_set(payload, local_port);
5218 	mlxsw_reg_sbib_buff_size_set(payload, buff_size);
5219 }
5220 
5221 static inline const char *mlxsw_reg_id_str(u16 reg_id)
5222 {
5223 	switch (reg_id) {
5224 	case MLXSW_REG_SGCR_ID:
5225 		return "SGCR";
5226 	case MLXSW_REG_SPAD_ID:
5227 		return "SPAD";
5228 	case MLXSW_REG_SMID_ID:
5229 		return "SMID";
5230 	case MLXSW_REG_SSPR_ID:
5231 		return "SSPR";
5232 	case MLXSW_REG_SFDAT_ID:
5233 		return "SFDAT";
5234 	case MLXSW_REG_SFD_ID:
5235 		return "SFD";
5236 	case MLXSW_REG_SFN_ID:
5237 		return "SFN";
5238 	case MLXSW_REG_SPMS_ID:
5239 		return "SPMS";
5240 	case MLXSW_REG_SPVID_ID:
5241 		return "SPVID";
5242 	case MLXSW_REG_SPVM_ID:
5243 		return "SPVM";
5244 	case MLXSW_REG_SPAFT_ID:
5245 		return "SPAFT";
5246 	case MLXSW_REG_SFGC_ID:
5247 		return "SFGC";
5248 	case MLXSW_REG_SFTR_ID:
5249 		return "SFTR";
5250 	case MLXSW_REG_SFDF_ID:
5251 		return "SFDF";
5252 	case MLXSW_REG_SLDR_ID:
5253 		return "SLDR";
5254 	case MLXSW_REG_SLCR_ID:
5255 		return "SLCR";
5256 	case MLXSW_REG_SLCOR_ID:
5257 		return "SLCOR";
5258 	case MLXSW_REG_SPMLR_ID:
5259 		return "SPMLR";
5260 	case MLXSW_REG_SVFA_ID:
5261 		return "SVFA";
5262 	case MLXSW_REG_SVPE_ID:
5263 		return "SVPE";
5264 	case MLXSW_REG_SFMR_ID:
5265 		return "SFMR";
5266 	case MLXSW_REG_SPVMLR_ID:
5267 		return "SPVMLR";
5268 	case MLXSW_REG_QTCT_ID:
5269 		return "QTCT";
5270 	case MLXSW_REG_QEEC_ID:
5271 		return "QEEC";
5272 	case MLXSW_REG_PMLP_ID:
5273 		return "PMLP";
5274 	case MLXSW_REG_PMTU_ID:
5275 		return "PMTU";
5276 	case MLXSW_REG_PTYS_ID:
5277 		return "PTYS";
5278 	case MLXSW_REG_PPAD_ID:
5279 		return "PPAD";
5280 	case MLXSW_REG_PAOS_ID:
5281 		return "PAOS";
5282 	case MLXSW_REG_PFCC_ID:
5283 		return "PFCC";
5284 	case MLXSW_REG_PPCNT_ID:
5285 		return "PPCNT";
5286 	case MLXSW_REG_PPTB_ID:
5287 		return "PPTB";
5288 	case MLXSW_REG_PBMC_ID:
5289 		return "PBMC";
5290 	case MLXSW_REG_PSPA_ID:
5291 		return "PSPA";
5292 	case MLXSW_REG_HTGT_ID:
5293 		return "HTGT";
5294 	case MLXSW_REG_HPKT_ID:
5295 		return "HPKT";
5296 	case MLXSW_REG_RGCR_ID:
5297 		return "RGCR";
5298 	case MLXSW_REG_RITR_ID:
5299 		return "RITR";
5300 	case MLXSW_REG_RATR_ID:
5301 		return "RATR";
5302 	case MLXSW_REG_RALTA_ID:
5303 		return "RALTA";
5304 	case MLXSW_REG_RALST_ID:
5305 		return "RALST";
5306 	case MLXSW_REG_RALTB_ID:
5307 		return "RALTB";
5308 	case MLXSW_REG_RALUE_ID:
5309 		return "RALUE";
5310 	case MLXSW_REG_RAUHT_ID:
5311 		return "RAUHT";
5312 	case MLXSW_REG_RALEU_ID:
5313 		return "RALEU";
5314 	case MLXSW_REG_RAUHTD_ID:
5315 		return "RAUHTD";
5316 	case MLXSW_REG_MFCR_ID:
5317 		return "MFCR";
5318 	case MLXSW_REG_MFSC_ID:
5319 		return "MFSC";
5320 	case MLXSW_REG_MFSM_ID:
5321 		return "MFSM";
5322 	case MLXSW_REG_MTCAP_ID:
5323 		return "MTCAP";
5324 	case MLXSW_REG_MPAT_ID:
5325 		return "MPAT";
5326 	case MLXSW_REG_MPAR_ID:
5327 		return "MPAR";
5328 	case MLXSW_REG_MTMP_ID:
5329 		return "MTMP";
5330 	case MLXSW_REG_MLCR_ID:
5331 		return "MLCR";
5332 	case MLXSW_REG_SBPR_ID:
5333 		return "SBPR";
5334 	case MLXSW_REG_SBCM_ID:
5335 		return "SBCM";
5336 	case MLXSW_REG_SBPM_ID:
5337 		return "SBPM";
5338 	case MLXSW_REG_SBMM_ID:
5339 		return "SBMM";
5340 	case MLXSW_REG_SBSR_ID:
5341 		return "SBSR";
5342 	case MLXSW_REG_SBIB_ID:
5343 		return "SBIB";
5344 	default:
5345 		return "*UNKNOWN*";
5346 	}
5347 }
5348 
5349 /* PUDE - Port Up / Down Event
5350  * ---------------------------
5351  * Reports the operational state change of a port.
5352  */
5353 #define MLXSW_REG_PUDE_LEN 0x10
5354 
5355 /* reg_pude_swid
5356  * Switch partition ID with which to associate the port.
5357  * Access: Index
5358  */
5359 MLXSW_ITEM32(reg, pude, swid, 0x00, 24, 8);
5360 
5361 /* reg_pude_local_port
5362  * Local port number.
5363  * Access: Index
5364  */
5365 MLXSW_ITEM32(reg, pude, local_port, 0x00, 16, 8);
5366 
5367 /* reg_pude_admin_status
5368  * Port administrative state (the desired state).
5369  * 1 - Up.
5370  * 2 - Down.
5371  * 3 - Up once. This means that in case of link failure, the port won't go
5372  *     into polling mode, but will wait to be re-enabled by software.
5373  * 4 - Disabled by system. Can only be set by hardware.
5374  * Access: RO
5375  */
5376 MLXSW_ITEM32(reg, pude, admin_status, 0x00, 8, 4);
5377 
5378 /* reg_pude_oper_status
5379  * Port operatioanl state.
5380  * 1 - Up.
5381  * 2 - Down.
5382  * 3 - Down by port failure. This means that the device will not let the
5383  *     port up again until explicitly specified by software.
5384  * Access: RO
5385  */
5386 MLXSW_ITEM32(reg, pude, oper_status, 0x00, 0, 4);
5387 
5388 #endif
5389