2 * drivers/net/ethernet/mellanox/mlxsw/reg.h
3 * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
5 * Copyright (c) 2015 Elad Raz <eladr@mellanox.com>
6 * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the names of the copyright holders nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
40 #include <linux/string.h>
41 #include <linux/bitops.h>
42 #include <linux/if_vlan.h>
47 struct mlxsw_reg_info
{
52 #define MLXSW_REG(type) (&mlxsw_reg_##type)
53 #define MLXSW_REG_LEN(type) MLXSW_REG(type)->len
54 #define MLXSW_REG_ZERO(type, payload) memset(payload, 0, MLXSW_REG(type)->len)
56 /* SGCR - Switch General Configuration Register
57 * --------------------------------------------
58 * This register is used for configuration of the switch capabilities.
60 #define MLXSW_REG_SGCR_ID 0x2000
61 #define MLXSW_REG_SGCR_LEN 0x10
63 static const struct mlxsw_reg_info mlxsw_reg_sgcr
= {
64 .id
= MLXSW_REG_SGCR_ID
,
65 .len
= MLXSW_REG_SGCR_LEN
,
69 * Link Local Broadcast (Default=0)
70 * When set, all Link Local packets (224.0.0.X) will be treated as broadcast
71 * packets and ignore the IGMP snooping entries.
74 MLXSW_ITEM32(reg
, sgcr
, llb
, 0x04, 0, 1);
76 static inline void mlxsw_reg_sgcr_pack(char *payload
, bool llb
)
78 MLXSW_REG_ZERO(sgcr
, payload
);
79 mlxsw_reg_sgcr_llb_set(payload
, !!llb
);
82 /* SPAD - Switch Physical Address Register
83 * ---------------------------------------
84 * The SPAD register configures the switch physical MAC address.
86 #define MLXSW_REG_SPAD_ID 0x2002
87 #define MLXSW_REG_SPAD_LEN 0x10
89 static const struct mlxsw_reg_info mlxsw_reg_spad
= {
90 .id
= MLXSW_REG_SPAD_ID
,
91 .len
= MLXSW_REG_SPAD_LEN
,
95 * Base MAC address for the switch partitions.
96 * Per switch partition MAC address is equal to:
100 MLXSW_ITEM_BUF(reg
, spad
, base_mac
, 0x02, 6);
102 /* SSPR - Switch System Port Record Register
103 * -----------------------------------------
104 * Configures the system port to local port mapping.
106 #define MLXSW_REG_SSPR_ID 0x2008
107 #define MLXSW_REG_SSPR_LEN 0x8
109 static const struct mlxsw_reg_info mlxsw_reg_sspr
= {
110 .id
= MLXSW_REG_SSPR_ID
,
111 .len
= MLXSW_REG_SSPR_LEN
,
115 * Master - if set, then the record describes the master system port.
116 * This is needed in case a local port is mapped into several system ports
117 * (for multipathing). That number will be reported as the source system
118 * port when packets are forwarded to the CPU. Only one master port is allowed
121 * Note: Must be set for Spectrum.
124 MLXSW_ITEM32(reg
, sspr
, m
, 0x00, 31, 1);
126 /* reg_sspr_local_port
131 MLXSW_ITEM32(reg
, sspr
, local_port
, 0x00, 16, 8);
134 * Virtual port within the physical port.
135 * Should be set to 0 when virtual ports are not enabled on the port.
139 MLXSW_ITEM32(reg
, sspr
, sub_port
, 0x00, 8, 8);
141 /* reg_sspr_system_port
142 * Unique identifier within the stacking domain that represents all the ports
143 * that are available in the system (external ports).
145 * Currently, only single-ASIC configurations are supported, so we default to
146 * 1:1 mapping between system ports and local ports.
149 MLXSW_ITEM32(reg
, sspr
, system_port
, 0x04, 0, 16);
151 static inline void mlxsw_reg_sspr_pack(char *payload
, u8 local_port
)
153 MLXSW_REG_ZERO(sspr
, payload
);
154 mlxsw_reg_sspr_m_set(payload
, 1);
155 mlxsw_reg_sspr_local_port_set(payload
, local_port
);
156 mlxsw_reg_sspr_sub_port_set(payload
, 0);
157 mlxsw_reg_sspr_system_port_set(payload
, local_port
);
160 /* SFDAT - Switch Filtering Database Aging Time
161 * --------------------------------------------
162 * Controls the Switch aging time. Aging time is able to be set per Switch
165 #define MLXSW_REG_SFDAT_ID 0x2009
166 #define MLXSW_REG_SFDAT_LEN 0x8
168 static const struct mlxsw_reg_info mlxsw_reg_sfdat
= {
169 .id
= MLXSW_REG_SFDAT_ID
,
170 .len
= MLXSW_REG_SFDAT_LEN
,
174 * Switch partition ID.
177 MLXSW_ITEM32(reg
, sfdat
, swid
, 0x00, 24, 8);
179 /* reg_sfdat_age_time
180 * Aging time in seconds
182 * Max - 1,000,000 seconds
183 * Default is 300 seconds.
186 MLXSW_ITEM32(reg
, sfdat
, age_time
, 0x04, 0, 20);
188 static inline void mlxsw_reg_sfdat_pack(char *payload
, u32 age_time
)
190 MLXSW_REG_ZERO(sfdat
, payload
);
191 mlxsw_reg_sfdat_swid_set(payload
, 0);
192 mlxsw_reg_sfdat_age_time_set(payload
, age_time
);
195 /* SFD - Switch Filtering Database
196 * -------------------------------
197 * The following register defines the access to the filtering database.
198 * The register supports querying, adding, removing and modifying the database.
199 * The access is optimized for bulk updates in which case more than one
200 * FDB record is present in the same command.
202 #define MLXSW_REG_SFD_ID 0x200A
203 #define MLXSW_REG_SFD_BASE_LEN 0x10 /* base length, without records */
204 #define MLXSW_REG_SFD_REC_LEN 0x10 /* record length */
205 #define MLXSW_REG_SFD_REC_MAX_COUNT 64
206 #define MLXSW_REG_SFD_LEN (MLXSW_REG_SFD_BASE_LEN + \
207 MLXSW_REG_SFD_REC_LEN * MLXSW_REG_SFD_REC_MAX_COUNT)
209 static const struct mlxsw_reg_info mlxsw_reg_sfd
= {
210 .id
= MLXSW_REG_SFD_ID
,
211 .len
= MLXSW_REG_SFD_LEN
,
215 * Switch partition ID for queries. Reserved on Write.
218 MLXSW_ITEM32(reg
, sfd
, swid
, 0x00, 24, 8);
220 enum mlxsw_reg_sfd_op
{
221 /* Dump entire FDB a (process according to record_locator) */
222 MLXSW_REG_SFD_OP_QUERY_DUMP
= 0,
223 /* Query records by {MAC, VID/FID} value */
224 MLXSW_REG_SFD_OP_QUERY_QUERY
= 1,
225 /* Query and clear activity. Query records by {MAC, VID/FID} value */
226 MLXSW_REG_SFD_OP_QUERY_QUERY_AND_CLEAR_ACTIVITY
= 2,
227 /* Test. Response indicates if each of the records could be
230 MLXSW_REG_SFD_OP_WRITE_TEST
= 0,
231 /* Add/modify. Aged-out records cannot be added. This command removes
232 * the learning notification of the {MAC, VID/FID}. Response includes
233 * the entries that were added to the FDB.
235 MLXSW_REG_SFD_OP_WRITE_EDIT
= 1,
236 /* Remove record by {MAC, VID/FID}. This command also removes
237 * the learning notification and aged-out notifications
238 * of the {MAC, VID/FID}. The response provides current (pre-removal)
239 * entries as non-aged-out.
241 MLXSW_REG_SFD_OP_WRITE_REMOVE
= 2,
242 /* Remove learned notification by {MAC, VID/FID}. The response provides
243 * the removed learning notification.
245 MLXSW_REG_SFD_OP_WRITE_REMOVE_NOTIFICATION
= 2,
252 MLXSW_ITEM32(reg
, sfd
, op
, 0x04, 30, 2);
254 /* reg_sfd_record_locator
255 * Used for querying the FDB. Use record_locator=0 to initiate the
256 * query. When a record is returned, a new record_locator is
257 * returned to be used in the subsequent query.
258 * Reserved for database update.
261 MLXSW_ITEM32(reg
, sfd
, record_locator
, 0x04, 0, 30);
264 * Request: Number of records to read/add/modify/remove
265 * Response: Number of records read/added/replaced/removed
266 * See above description for more details.
270 MLXSW_ITEM32(reg
, sfd
, num_rec
, 0x08, 0, 8);
272 static inline void mlxsw_reg_sfd_pack(char *payload
, enum mlxsw_reg_sfd_op op
,
275 MLXSW_REG_ZERO(sfd
, payload
);
276 mlxsw_reg_sfd_op_set(payload
, op
);
277 mlxsw_reg_sfd_record_locator_set(payload
, record_locator
);
281 * Switch partition ID.
284 MLXSW_ITEM32_INDEXED(reg
, sfd
, rec_swid
, MLXSW_REG_SFD_BASE_LEN
, 24, 8,
285 MLXSW_REG_SFD_REC_LEN
, 0x00, false);
287 enum mlxsw_reg_sfd_rec_type
{
288 MLXSW_REG_SFD_REC_TYPE_UNICAST
= 0x0,
295 MLXSW_ITEM32_INDEXED(reg
, sfd
, rec_type
, MLXSW_REG_SFD_BASE_LEN
, 20, 4,
296 MLXSW_REG_SFD_REC_LEN
, 0x00, false);
298 enum mlxsw_reg_sfd_rec_policy
{
299 /* Replacement disabled, aging disabled. */
300 MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY
= 0,
301 /* (mlag remote): Replacement enabled, aging disabled,
302 * learning notification enabled on this port.
304 MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_MLAG
= 1,
305 /* (ingress device): Replacement enabled, aging enabled. */
306 MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS
= 3,
309 /* reg_sfd_rec_policy
313 MLXSW_ITEM32_INDEXED(reg
, sfd
, rec_policy
, MLXSW_REG_SFD_BASE_LEN
, 18, 2,
314 MLXSW_REG_SFD_REC_LEN
, 0x00, false);
317 * Activity. Set for new static entries. Set for static entries if a frame SMAC
318 * lookup hits on the entry.
319 * To clear the a bit, use "query and clear activity" op.
322 MLXSW_ITEM32_INDEXED(reg
, sfd
, rec_a
, MLXSW_REG_SFD_BASE_LEN
, 16, 1,
323 MLXSW_REG_SFD_REC_LEN
, 0x00, false);
329 MLXSW_ITEM_BUF_INDEXED(reg
, sfd
, rec_mac
, MLXSW_REG_SFD_BASE_LEN
, 6,
330 MLXSW_REG_SFD_REC_LEN
, 0x02);
332 enum mlxsw_reg_sfd_rec_action
{
334 MLXSW_REG_SFD_REC_ACTION_NOP
= 0,
335 /* forward and trap, trap_id is FDB_TRAP */
336 MLXSW_REG_SFD_REC_ACTION_MIRROR_TO_CPU
= 1,
337 /* trap and do not forward, trap_id is FDB_TRAP */
338 MLXSW_REG_SFD_REC_ACTION_TRAP
= 3,
339 MLXSW_REG_SFD_REC_ACTION_DISCARD_ERROR
= 15,
342 /* reg_sfd_rec_action
343 * Action to apply on the packet.
344 * Note: Dynamic entries can only be configured with NOP action.
347 MLXSW_ITEM32_INDEXED(reg
, sfd
, rec_action
, MLXSW_REG_SFD_BASE_LEN
, 28, 4,
348 MLXSW_REG_SFD_REC_LEN
, 0x0C, false);
350 /* reg_sfd_uc_sub_port
351 * VEPA channel on local port.
352 * Valid only if local port is a non-stacking port. Must be 0 if multichannel
353 * VEPA is not enabled.
356 MLXSW_ITEM32_INDEXED(reg
, sfd
, uc_sub_port
, MLXSW_REG_SFD_BASE_LEN
, 16, 8,
357 MLXSW_REG_SFD_REC_LEN
, 0x08, false);
359 /* reg_sfd_uc_fid_vid
360 * Filtering ID or VLAN ID
361 * For SwitchX and SwitchX-2:
362 * - Dynamic entries (policy 2,3) use FID
363 * - Static entries (policy 0) use VID
364 * - When independent learning is configured, VID=FID
365 * For Spectrum: use FID for both Dynamic and Static entries.
366 * VID should not be used.
369 MLXSW_ITEM32_INDEXED(reg
, sfd
, uc_fid_vid
, MLXSW_REG_SFD_BASE_LEN
, 0, 16,
370 MLXSW_REG_SFD_REC_LEN
, 0x08, false);
372 /* reg_sfd_uc_system_port
373 * Unique port identifier for the final destination of the packet.
376 MLXSW_ITEM32_INDEXED(reg
, sfd
, uc_system_port
, MLXSW_REG_SFD_BASE_LEN
, 0, 16,
377 MLXSW_REG_SFD_REC_LEN
, 0x0C, false);
379 static inline void mlxsw_reg_sfd_uc_pack(char *payload
, int rec_index
,
380 enum mlxsw_reg_sfd_rec_policy policy
,
381 const char *mac
, u16 vid
,
382 enum mlxsw_reg_sfd_rec_action action
,
385 u8 num_rec
= mlxsw_reg_sfd_num_rec_get(payload
);
387 if (rec_index
>= num_rec
)
388 mlxsw_reg_sfd_num_rec_set(payload
, rec_index
+ 1);
389 mlxsw_reg_sfd_rec_swid_set(payload
, rec_index
, 0);
390 mlxsw_reg_sfd_rec_type_set(payload
, rec_index
,
391 MLXSW_REG_SFD_REC_TYPE_UNICAST
);
392 mlxsw_reg_sfd_rec_policy_set(payload
, rec_index
, policy
);
393 mlxsw_reg_sfd_rec_mac_memcpy_to(payload
, rec_index
, mac
);
394 mlxsw_reg_sfd_uc_sub_port_set(payload
, rec_index
, 0);
395 mlxsw_reg_sfd_uc_fid_vid_set(payload
, rec_index
, vid
);
396 mlxsw_reg_sfd_rec_action_set(payload
, rec_index
, action
);
397 mlxsw_reg_sfd_uc_system_port_set(payload
, rec_index
, local_port
);
400 static inline void mlxsw_reg_sfd_uc_unpack(char *payload
, int rec_index
,
401 char *mac
, u16
*p_vid
,
404 mlxsw_reg_sfd_rec_mac_memcpy_from(payload
, rec_index
, mac
);
405 *p_vid
= mlxsw_reg_sfd_uc_fid_vid_get(payload
, rec_index
);
406 *p_local_port
= mlxsw_reg_sfd_uc_system_port_get(payload
, rec_index
);
409 /* SFN - Switch FDB Notification Register
410 * -------------------------------------------
411 * The switch provides notifications on newly learned FDB entries and
412 * aged out entries. The notifications can be polled by software.
414 #define MLXSW_REG_SFN_ID 0x200B
415 #define MLXSW_REG_SFN_BASE_LEN 0x10 /* base length, without records */
416 #define MLXSW_REG_SFN_REC_LEN 0x10 /* record length */
417 #define MLXSW_REG_SFN_REC_MAX_COUNT 64
418 #define MLXSW_REG_SFN_LEN (MLXSW_REG_SFN_BASE_LEN + \
419 MLXSW_REG_SFN_REC_LEN * MLXSW_REG_SFN_REC_MAX_COUNT)
421 static const struct mlxsw_reg_info mlxsw_reg_sfn
= {
422 .id
= MLXSW_REG_SFN_ID
,
423 .len
= MLXSW_REG_SFN_LEN
,
427 * Switch partition ID.
430 MLXSW_ITEM32(reg
, sfn
, swid
, 0x00, 24, 8);
433 * Request: Number of learned notifications and aged-out notification
435 * Response: Number of notification records returned (must be smaller
436 * than or equal to the value requested)
440 MLXSW_ITEM32(reg
, sfn
, num_rec
, 0x04, 0, 8);
442 static inline void mlxsw_reg_sfn_pack(char *payload
)
444 MLXSW_REG_ZERO(sfn
, payload
);
445 mlxsw_reg_sfn_swid_set(payload
, 0);
446 mlxsw_reg_sfn_num_rec_set(payload
, MLXSW_REG_SFN_REC_MAX_COUNT
);
450 * Switch partition ID.
453 MLXSW_ITEM32_INDEXED(reg
, sfn
, rec_swid
, MLXSW_REG_SFN_BASE_LEN
, 24, 8,
454 MLXSW_REG_SFN_REC_LEN
, 0x00, false);
456 enum mlxsw_reg_sfn_rec_type
{
457 /* MAC addresses learned on a regular port. */
458 MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC
= 0x5,
459 /* Aged-out MAC address on a regular port */
460 MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC
= 0x7,
464 * Notification record type.
467 MLXSW_ITEM32_INDEXED(reg
, sfn
, rec_type
, MLXSW_REG_SFN_BASE_LEN
, 20, 4,
468 MLXSW_REG_SFN_REC_LEN
, 0x00, false);
474 MLXSW_ITEM_BUF_INDEXED(reg
, sfn
, rec_mac
, MLXSW_REG_SFN_BASE_LEN
, 6,
475 MLXSW_REG_SFN_REC_LEN
, 0x02);
477 /* reg_sfn_mac_sub_port
478 * VEPA channel on the local port.
479 * 0 if multichannel VEPA is not enabled.
482 MLXSW_ITEM32_INDEXED(reg
, sfn
, mac_sub_port
, MLXSW_REG_SFN_BASE_LEN
, 16, 8,
483 MLXSW_REG_SFN_REC_LEN
, 0x08, false);
486 * Filtering identifier.
489 MLXSW_ITEM32_INDEXED(reg
, sfn
, mac_fid
, MLXSW_REG_SFN_BASE_LEN
, 0, 16,
490 MLXSW_REG_SFN_REC_LEN
, 0x08, false);
492 /* reg_sfn_mac_system_port
493 * Unique port identifier for the final destination of the packet.
496 MLXSW_ITEM32_INDEXED(reg
, sfn
, mac_system_port
, MLXSW_REG_SFN_BASE_LEN
, 0, 16,
497 MLXSW_REG_SFN_REC_LEN
, 0x0C, false);
499 static inline void mlxsw_reg_sfn_mac_unpack(char *payload
, int rec_index
,
500 char *mac
, u16
*p_vid
,
503 mlxsw_reg_sfn_rec_mac_memcpy_from(payload
, rec_index
, mac
);
504 *p_vid
= mlxsw_reg_sfn_mac_fid_get(payload
, rec_index
);
505 *p_local_port
= mlxsw_reg_sfn_mac_system_port_get(payload
, rec_index
);
508 /* SPMS - Switch Port MSTP/RSTP State Register
509 * -------------------------------------------
510 * Configures the spanning tree state of a physical port.
512 #define MLXSW_REG_SPMS_ID 0x200D
513 #define MLXSW_REG_SPMS_LEN 0x404
515 static const struct mlxsw_reg_info mlxsw_reg_spms
= {
516 .id
= MLXSW_REG_SPMS_ID
,
517 .len
= MLXSW_REG_SPMS_LEN
,
520 /* reg_spms_local_port
524 MLXSW_ITEM32(reg
, spms
, local_port
, 0x00, 16, 8);
526 enum mlxsw_reg_spms_state
{
527 MLXSW_REG_SPMS_STATE_NO_CHANGE
,
528 MLXSW_REG_SPMS_STATE_DISCARDING
,
529 MLXSW_REG_SPMS_STATE_LEARNING
,
530 MLXSW_REG_SPMS_STATE_FORWARDING
,
534 * Spanning tree state of each VLAN ID (VID) of the local port.
535 * 0 - Do not change spanning tree state (used only when writing).
536 * 1 - Discarding. No learning or forwarding to/from this port (default).
537 * 2 - Learning. Port is learning, but not forwarding.
538 * 3 - Forwarding. Port is learning and forwarding.
541 MLXSW_ITEM_BIT_ARRAY(reg
, spms
, state
, 0x04, 0x400, 2);
543 static inline void mlxsw_reg_spms_pack(char *payload
, u8 local_port
)
545 MLXSW_REG_ZERO(spms
, payload
);
546 mlxsw_reg_spms_local_port_set(payload
, local_port
);
549 static inline void mlxsw_reg_spms_vid_pack(char *payload
, u16 vid
,
550 enum mlxsw_reg_spms_state state
)
552 mlxsw_reg_spms_state_set(payload
, vid
, state
);
555 /* SPVID - Switch Port VID
556 * -----------------------
557 * The switch port VID configures the default VID for a port.
559 #define MLXSW_REG_SPVID_ID 0x200E
560 #define MLXSW_REG_SPVID_LEN 0x08
562 static const struct mlxsw_reg_info mlxsw_reg_spvid
= {
563 .id
= MLXSW_REG_SPVID_ID
,
564 .len
= MLXSW_REG_SPVID_LEN
,
567 /* reg_spvid_local_port
571 MLXSW_ITEM32(reg
, spvid
, local_port
, 0x00, 16, 8);
573 /* reg_spvid_sub_port
574 * Virtual port within the physical port.
575 * Should be set to 0 when virtual ports are not enabled on the port.
578 MLXSW_ITEM32(reg
, spvid
, sub_port
, 0x00, 8, 8);
584 MLXSW_ITEM32(reg
, spvid
, pvid
, 0x04, 0, 12);
586 static inline void mlxsw_reg_spvid_pack(char *payload
, u8 local_port
, u16 pvid
)
588 MLXSW_REG_ZERO(spvid
, payload
);
589 mlxsw_reg_spvid_local_port_set(payload
, local_port
);
590 mlxsw_reg_spvid_pvid_set(payload
, pvid
);
593 /* SPVM - Switch Port VLAN Membership
594 * ----------------------------------
595 * The Switch Port VLAN Membership register configures the VLAN membership
596 * of a port in a VLAN denoted by VID. VLAN membership is managed per
597 * virtual port. The register can be used to add and remove VID(s) from a port.
599 #define MLXSW_REG_SPVM_ID 0x200F
600 #define MLXSW_REG_SPVM_BASE_LEN 0x04 /* base length, without records */
601 #define MLXSW_REG_SPVM_REC_LEN 0x04 /* record length */
602 #define MLXSW_REG_SPVM_REC_MAX_COUNT 256
603 #define MLXSW_REG_SPVM_LEN (MLXSW_REG_SPVM_BASE_LEN + \
604 MLXSW_REG_SPVM_REC_LEN * MLXSW_REG_SPVM_REC_MAX_COUNT)
606 static const struct mlxsw_reg_info mlxsw_reg_spvm
= {
607 .id
= MLXSW_REG_SPVM_ID
,
608 .len
= MLXSW_REG_SPVM_LEN
,
612 * Priority tagged. If this bit is set, packets forwarded to the port with
613 * untagged VLAN membership (u bit is set) will be tagged with priority tag
617 MLXSW_ITEM32(reg
, spvm
, pt
, 0x00, 31, 1);
620 * Priority Tagged Update Enable. On Write operations, if this bit is cleared,
621 * the pt bit will NOT be updated. To update the pt bit, pte must be set.
624 MLXSW_ITEM32(reg
, spvm
, pte
, 0x00, 30, 1);
626 /* reg_spvm_local_port
630 MLXSW_ITEM32(reg
, spvm
, local_port
, 0x00, 16, 8);
633 * Virtual port within the physical port.
634 * Should be set to 0 when virtual ports are not enabled on the port.
637 MLXSW_ITEM32(reg
, spvm
, sub_port
, 0x00, 8, 8);
640 * Number of records to update. Each record contains: i, e, u, vid.
643 MLXSW_ITEM32(reg
, spvm
, num_rec
, 0x00, 0, 8);
646 * Ingress membership in VLAN ID.
649 MLXSW_ITEM32_INDEXED(reg
, spvm
, rec_i
,
650 MLXSW_REG_SPVM_BASE_LEN
, 14, 1,
651 MLXSW_REG_SPVM_REC_LEN
, 0, false);
654 * Egress membership in VLAN ID.
657 MLXSW_ITEM32_INDEXED(reg
, spvm
, rec_e
,
658 MLXSW_REG_SPVM_BASE_LEN
, 13, 1,
659 MLXSW_REG_SPVM_REC_LEN
, 0, false);
662 * Untagged - port is an untagged member - egress transmission uses untagged
666 MLXSW_ITEM32_INDEXED(reg
, spvm
, rec_u
,
667 MLXSW_REG_SPVM_BASE_LEN
, 12, 1,
668 MLXSW_REG_SPVM_REC_LEN
, 0, false);
671 * Egress membership in VLAN ID.
674 MLXSW_ITEM32_INDEXED(reg
, spvm
, rec_vid
,
675 MLXSW_REG_SPVM_BASE_LEN
, 0, 12,
676 MLXSW_REG_SPVM_REC_LEN
, 0, false);
678 static inline void mlxsw_reg_spvm_pack(char *payload
, u8 local_port
,
679 u16 vid_begin
, u16 vid_end
,
680 bool is_member
, bool untagged
)
682 int size
= vid_end
- vid_begin
+ 1;
685 MLXSW_REG_ZERO(spvm
, payload
);
686 mlxsw_reg_spvm_local_port_set(payload
, local_port
);
687 mlxsw_reg_spvm_num_rec_set(payload
, size
);
689 for (i
= 0; i
< size
; i
++) {
690 mlxsw_reg_spvm_rec_i_set(payload
, i
, is_member
);
691 mlxsw_reg_spvm_rec_e_set(payload
, i
, is_member
);
692 mlxsw_reg_spvm_rec_u_set(payload
, i
, untagged
);
693 mlxsw_reg_spvm_rec_vid_set(payload
, i
, vid_begin
+ i
);
697 /* SFGC - Switch Flooding Group Configuration
698 * ------------------------------------------
699 * The following register controls the association of flooding tables and MIDs
700 * to packet types used for flooding.
702 #define MLXSW_REG_SFGC_ID 0x2011
703 #define MLXSW_REG_SFGC_LEN 0x10
705 static const struct mlxsw_reg_info mlxsw_reg_sfgc
= {
706 .id
= MLXSW_REG_SFGC_ID
,
707 .len
= MLXSW_REG_SFGC_LEN
,
710 enum mlxsw_reg_sfgc_type
{
711 MLXSW_REG_SFGC_TYPE_BROADCAST
,
712 MLXSW_REG_SFGC_TYPE_UNKNOWN_UNICAST
,
713 MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV4
,
714 MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6
,
715 MLXSW_REG_SFGC_TYPE_RESERVED
,
716 MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_NON_IP
,
717 MLXSW_REG_SFGC_TYPE_IPV4_LINK_LOCAL
,
718 MLXSW_REG_SFGC_TYPE_IPV6_ALL_HOST
,
719 MLXSW_REG_SFGC_TYPE_MAX
,
723 * The traffic type to reach the flooding table.
726 MLXSW_ITEM32(reg
, sfgc
, type
, 0x00, 0, 4);
728 enum mlxsw_reg_sfgc_bridge_type
{
729 MLXSW_REG_SFGC_BRIDGE_TYPE_1Q_FID
= 0,
730 MLXSW_REG_SFGC_BRIDGE_TYPE_VFID
= 1,
733 /* reg_sfgc_bridge_type
736 * Note: SwitchX-2 only supports 802.1Q mode.
738 MLXSW_ITEM32(reg
, sfgc
, bridge_type
, 0x04, 24, 3);
740 enum mlxsw_flood_table_type
{
741 MLXSW_REG_SFGC_TABLE_TYPE_VID
= 1,
742 MLXSW_REG_SFGC_TABLE_TYPE_SINGLE
= 2,
743 MLXSW_REG_SFGC_TABLE_TYPE_ANY
= 0,
744 MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST
= 3,
745 MLXSW_REG_SFGC_TABLE_TYPE_FID
= 4,
748 /* reg_sfgc_table_type
749 * See mlxsw_flood_table_type
752 * Note: FID offset and FID types are not supported in SwitchX-2.
754 MLXSW_ITEM32(reg
, sfgc
, table_type
, 0x04, 16, 3);
756 /* reg_sfgc_flood_table
757 * Flooding table index to associate with the specific type on the specific
761 MLXSW_ITEM32(reg
, sfgc
, flood_table
, 0x04, 0, 6);
764 * The multicast ID for the swid. Not supported for Spectrum
767 MLXSW_ITEM32(reg
, sfgc
, mid
, 0x08, 0, 16);
769 /* reg_sfgc_counter_set_type
770 * Counter Set Type for flow counters.
773 MLXSW_ITEM32(reg
, sfgc
, counter_set_type
, 0x0C, 24, 8);
775 /* reg_sfgc_counter_index
776 * Counter Index for flow counters.
779 MLXSW_ITEM32(reg
, sfgc
, counter_index
, 0x0C, 0, 24);
782 mlxsw_reg_sfgc_pack(char *payload
, enum mlxsw_reg_sfgc_type type
,
783 enum mlxsw_reg_sfgc_bridge_type bridge_type
,
784 enum mlxsw_flood_table_type table_type
,
785 unsigned int flood_table
)
787 MLXSW_REG_ZERO(sfgc
, payload
);
788 mlxsw_reg_sfgc_type_set(payload
, type
);
789 mlxsw_reg_sfgc_bridge_type_set(payload
, bridge_type
);
790 mlxsw_reg_sfgc_table_type_set(payload
, table_type
);
791 mlxsw_reg_sfgc_flood_table_set(payload
, flood_table
);
792 mlxsw_reg_sfgc_mid_set(payload
, MLXSW_PORT_MID
);
795 /* SFTR - Switch Flooding Table Register
796 * -------------------------------------
797 * The switch flooding table is used for flooding packet replication. The table
798 * defines a bit mask of ports for packet replication.
800 #define MLXSW_REG_SFTR_ID 0x2012
801 #define MLXSW_REG_SFTR_LEN 0x420
803 static const struct mlxsw_reg_info mlxsw_reg_sftr
= {
804 .id
= MLXSW_REG_SFTR_ID
,
805 .len
= MLXSW_REG_SFTR_LEN
,
809 * Switch partition ID with which to associate the port.
812 MLXSW_ITEM32(reg
, sftr
, swid
, 0x00, 24, 8);
814 /* reg_sftr_flood_table
815 * Flooding table index to associate with the specific type on the specific
819 MLXSW_ITEM32(reg
, sftr
, flood_table
, 0x00, 16, 6);
822 * Index. Used as an index into the Flooding Table in case the table is
823 * configured to use VID / FID or FID Offset.
826 MLXSW_ITEM32(reg
, sftr
, index
, 0x00, 0, 16);
828 /* reg_sftr_table_type
829 * See mlxsw_flood_table_type
832 MLXSW_ITEM32(reg
, sftr
, table_type
, 0x04, 16, 3);
835 * Range of entries to update
838 MLXSW_ITEM32(reg
, sftr
, range
, 0x04, 0, 16);
841 * Local port membership (1 bit per port).
844 MLXSW_ITEM_BIT_ARRAY(reg
, sftr
, port
, 0x20, 0x20, 1);
846 /* reg_sftr_cpu_port_mask
847 * CPU port mask (1 bit per port).
850 MLXSW_ITEM_BIT_ARRAY(reg
, sftr
, port_mask
, 0x220, 0x20, 1);
852 static inline void mlxsw_reg_sftr_pack(char *payload
,
853 unsigned int flood_table
,
855 enum mlxsw_flood_table_type table_type
,
856 unsigned int range
, u8 port
, bool set
)
858 MLXSW_REG_ZERO(sftr
, payload
);
859 mlxsw_reg_sftr_swid_set(payload
, 0);
860 mlxsw_reg_sftr_flood_table_set(payload
, flood_table
);
861 mlxsw_reg_sftr_index_set(payload
, index
);
862 mlxsw_reg_sftr_table_type_set(payload
, table_type
);
863 mlxsw_reg_sftr_range_set(payload
, range
);
864 mlxsw_reg_sftr_port_set(payload
, port
, set
);
865 mlxsw_reg_sftr_port_mask_set(payload
, port
, 1);
868 /* SPMLR - Switch Port MAC Learning Register
869 * -----------------------------------------
870 * Controls the Switch MAC learning policy per port.
872 #define MLXSW_REG_SPMLR_ID 0x2018
873 #define MLXSW_REG_SPMLR_LEN 0x8
875 static const struct mlxsw_reg_info mlxsw_reg_spmlr
= {
876 .id
= MLXSW_REG_SPMLR_ID
,
877 .len
= MLXSW_REG_SPMLR_LEN
,
880 /* reg_spmlr_local_port
884 MLXSW_ITEM32(reg
, spmlr
, local_port
, 0x00, 16, 8);
886 /* reg_spmlr_sub_port
887 * Virtual port within the physical port.
888 * Should be set to 0 when virtual ports are not enabled on the port.
891 MLXSW_ITEM32(reg
, spmlr
, sub_port
, 0x00, 8, 8);
893 enum mlxsw_reg_spmlr_learn_mode
{
894 MLXSW_REG_SPMLR_LEARN_MODE_DISABLE
= 0,
895 MLXSW_REG_SPMLR_LEARN_MODE_ENABLE
= 2,
896 MLXSW_REG_SPMLR_LEARN_MODE_SEC
= 3,
899 /* reg_spmlr_learn_mode
900 * Learning mode on the port.
901 * 0 - Learning disabled.
902 * 2 - Learning enabled.
905 * In security mode the switch does not learn MACs on the port, but uses the
906 * SMAC to see if it exists on another ingress port. If so, the packet is
907 * classified as a bad packet and is discarded unless the software registers
908 * to receive port security error packets usign HPKT.
910 MLXSW_ITEM32(reg
, spmlr
, learn_mode
, 0x04, 30, 2);
912 static inline void mlxsw_reg_spmlr_pack(char *payload
, u8 local_port
,
913 enum mlxsw_reg_spmlr_learn_mode mode
)
915 MLXSW_REG_ZERO(spmlr
, payload
);
916 mlxsw_reg_spmlr_local_port_set(payload
, local_port
);
917 mlxsw_reg_spmlr_sub_port_set(payload
, 0);
918 mlxsw_reg_spmlr_learn_mode_set(payload
, mode
);
921 /* SVFA - Switch VID to FID Allocation Register
922 * --------------------------------------------
923 * Controls the VID to FID mapping and {Port, VID} to FID mapping for
926 #define MLXSW_REG_SVFA_ID 0x201C
927 #define MLXSW_REG_SVFA_LEN 0x10
929 static const struct mlxsw_reg_info mlxsw_reg_svfa
= {
930 .id
= MLXSW_REG_SVFA_ID
,
931 .len
= MLXSW_REG_SVFA_LEN
,
935 * Switch partition ID.
938 MLXSW_ITEM32(reg
, svfa
, swid
, 0x00, 24, 8);
940 /* reg_svfa_local_port
944 * Note: Reserved for 802.1Q FIDs.
946 MLXSW_ITEM32(reg
, svfa
, local_port
, 0x00, 16, 8);
948 enum mlxsw_reg_svfa_mt
{
949 MLXSW_REG_SVFA_MT_VID_TO_FID
,
950 MLXSW_REG_SVFA_MT_PORT_VID_TO_FID
,
953 /* reg_svfa_mapping_table
956 * 1 - {Port, VID} to FID
959 * Note: Reserved for SwitchX-2.
961 MLXSW_ITEM32(reg
, svfa
, mapping_table
, 0x00, 8, 3);
968 * Note: Reserved for SwitchX-2.
970 MLXSW_ITEM32(reg
, svfa
, v
, 0x00, 0, 1);
976 MLXSW_ITEM32(reg
, svfa
, fid
, 0x04, 16, 16);
982 MLXSW_ITEM32(reg
, svfa
, vid
, 0x04, 0, 12);
984 /* reg_svfa_counter_set_type
985 * Counter set type for flow counters.
988 * Note: Reserved for SwitchX-2.
990 MLXSW_ITEM32(reg
, svfa
, counter_set_type
, 0x08, 24, 8);
992 /* reg_svfa_counter_index
993 * Counter index for flow counters.
996 * Note: Reserved for SwitchX-2.
998 MLXSW_ITEM32(reg
, svfa
, counter_index
, 0x08, 0, 24);
1000 static inline void mlxsw_reg_svfa_pack(char *payload
, u8 local_port
,
1001 enum mlxsw_reg_svfa_mt mt
, bool valid
,
1004 MLXSW_REG_ZERO(svfa
, payload
);
1005 local_port
= mt
== MLXSW_REG_SVFA_MT_VID_TO_FID
? 0 : local_port
;
1006 mlxsw_reg_svfa_swid_set(payload
, 0);
1007 mlxsw_reg_svfa_local_port_set(payload
, local_port
);
1008 mlxsw_reg_svfa_mapping_table_set(payload
, mt
);
1009 mlxsw_reg_svfa_v_set(payload
, valid
);
1010 mlxsw_reg_svfa_fid_set(payload
, fid
);
1011 mlxsw_reg_svfa_vid_set(payload
, vid
);
1014 /* SVPE - Switch Virtual-Port Enabling Register
1015 * --------------------------------------------
1016 * Enables port virtualization.
1018 #define MLXSW_REG_SVPE_ID 0x201E
1019 #define MLXSW_REG_SVPE_LEN 0x4
1021 static const struct mlxsw_reg_info mlxsw_reg_svpe
= {
1022 .id
= MLXSW_REG_SVPE_ID
,
1023 .len
= MLXSW_REG_SVPE_LEN
,
1026 /* reg_svpe_local_port
1030 * Note: CPU port is not supported (uses VLAN mode only).
1032 MLXSW_ITEM32(reg
, svpe
, local_port
, 0x00, 16, 8);
1035 * Virtual port enable.
1036 * 0 - Disable, VLAN mode (VID to FID).
1037 * 1 - Enable, Virtual port mode ({Port, VID} to FID).
1040 MLXSW_ITEM32(reg
, svpe
, vp_en
, 0x00, 8, 1);
1042 static inline void mlxsw_reg_svpe_pack(char *payload
, u8 local_port
,
1045 MLXSW_REG_ZERO(svpe
, payload
);
1046 mlxsw_reg_svpe_local_port_set(payload
, local_port
);
1047 mlxsw_reg_svpe_vp_en_set(payload
, enable
);
1050 /* SFMR - Switch FID Management Register
1051 * -------------------------------------
1052 * Creates and configures FIDs.
1054 #define MLXSW_REG_SFMR_ID 0x201F
1055 #define MLXSW_REG_SFMR_LEN 0x18
1057 static const struct mlxsw_reg_info mlxsw_reg_sfmr
= {
1058 .id
= MLXSW_REG_SFMR_ID
,
1059 .len
= MLXSW_REG_SFMR_LEN
,
1062 enum mlxsw_reg_sfmr_op
{
1063 MLXSW_REG_SFMR_OP_CREATE_FID
,
1064 MLXSW_REG_SFMR_OP_DESTROY_FID
,
1069 * 0 - Create or edit FID.
1073 MLXSW_ITEM32(reg
, sfmr
, op
, 0x00, 24, 4);
1079 MLXSW_ITEM32(reg
, sfmr
, fid
, 0x00, 0, 16);
1081 /* reg_sfmr_fid_offset
1083 * Used to point into the flooding table selected by SFGC register if
1084 * the table is of type FID-Offset. Otherwise, this field is reserved.
1087 MLXSW_ITEM32(reg
, sfmr
, fid_offset
, 0x08, 0, 16);
1090 * Valid Tunnel Flood Pointer.
1091 * If not set, then nve_tunnel_flood_ptr is reserved and considered NULL.
1094 * Note: Reserved for 802.1Q FIDs.
1096 MLXSW_ITEM32(reg
, sfmr
, vtfp
, 0x0C, 31, 1);
1098 /* reg_sfmr_nve_tunnel_flood_ptr
1099 * Underlay Flooding and BC Pointer.
1100 * Used as a pointer to the first entry of the group based link lists of
1101 * flooding or BC entries (for NVE tunnels).
1104 MLXSW_ITEM32(reg
, sfmr
, nve_tunnel_flood_ptr
, 0x0C, 0, 24);
1108 * If not set, then vni is reserved.
1111 * Note: Reserved for 802.1Q FIDs.
1113 MLXSW_ITEM32(reg
, sfmr
, vv
, 0x10, 31, 1);
1116 * Virtual Network Identifier.
1119 * Note: A given VNI can only be assigned to one FID.
1121 MLXSW_ITEM32(reg
, sfmr
, vni
, 0x10, 0, 24);
1123 static inline void mlxsw_reg_sfmr_pack(char *payload
,
1124 enum mlxsw_reg_sfmr_op op
, u16 fid
,
1127 MLXSW_REG_ZERO(sfmr
, payload
);
1128 mlxsw_reg_sfmr_op_set(payload
, op
);
1129 mlxsw_reg_sfmr_fid_set(payload
, fid
);
1130 mlxsw_reg_sfmr_fid_offset_set(payload
, fid_offset
);
1131 mlxsw_reg_sfmr_vtfp_set(payload
, false);
1132 mlxsw_reg_sfmr_vv_set(payload
, false);
1135 /* SPVMLR - Switch Port VLAN MAC Learning Register
1136 * -----------------------------------------------
1137 * Controls the switch MAC learning policy per {Port, VID}.
1139 #define MLXSW_REG_SPVMLR_ID 0x2020
1140 #define MLXSW_REG_SPVMLR_BASE_LEN 0x04 /* base length, without records */
1141 #define MLXSW_REG_SPVMLR_REC_LEN 0x04 /* record length */
1142 #define MLXSW_REG_SPVMLR_REC_MAX_COUNT 256
1143 #define MLXSW_REG_SPVMLR_LEN (MLXSW_REG_SPVMLR_BASE_LEN + \
1144 MLXSW_REG_SPVMLR_REC_LEN * \
1145 MLXSW_REG_SPVMLR_REC_MAX_COUNT)
1147 static const struct mlxsw_reg_info mlxsw_reg_spvmlr
= {
1148 .id
= MLXSW_REG_SPVMLR_ID
,
1149 .len
= MLXSW_REG_SPVMLR_LEN
,
1152 /* reg_spvmlr_local_port
1153 * Local ingress port.
1156 * Note: CPU port is not supported.
1158 MLXSW_ITEM32(reg
, spvmlr
, local_port
, 0x00, 16, 8);
1160 /* reg_spvmlr_num_rec
1161 * Number of records to update.
1164 MLXSW_ITEM32(reg
, spvmlr
, num_rec
, 0x00, 0, 8);
1166 /* reg_spvmlr_rec_learn_enable
1167 * 0 - Disable learning for {Port, VID}.
1168 * 1 - Enable learning for {Port, VID}.
1171 MLXSW_ITEM32_INDEXED(reg
, spvmlr
, rec_learn_enable
, MLXSW_REG_SPVMLR_BASE_LEN
,
1172 31, 1, MLXSW_REG_SPVMLR_REC_LEN
, 0x00, false);
1174 /* reg_spvmlr_rec_vid
1175 * VLAN ID to be added/removed from port or for querying.
1178 MLXSW_ITEM32_INDEXED(reg
, spvmlr
, rec_vid
, MLXSW_REG_SPVMLR_BASE_LEN
, 0, 12,
1179 MLXSW_REG_SPVMLR_REC_LEN
, 0x00, false);
1181 static inline void mlxsw_reg_spvmlr_pack(char *payload
, u8 local_port
,
1182 u16 vid_begin
, u16 vid_end
,
1185 int num_rec
= vid_end
- vid_begin
+ 1;
1188 WARN_ON(num_rec
< 1 || num_rec
> MLXSW_REG_SPVMLR_REC_MAX_COUNT
);
1190 MLXSW_REG_ZERO(spvmlr
, payload
);
1191 mlxsw_reg_spvmlr_local_port_set(payload
, local_port
);
1192 mlxsw_reg_spvmlr_num_rec_set(payload
, num_rec
);
1194 for (i
= 0; i
< num_rec
; i
++) {
1195 mlxsw_reg_spvmlr_rec_learn_enable_set(payload
, i
, learn_enable
);
1196 mlxsw_reg_spvmlr_rec_vid_set(payload
, i
, vid_begin
+ i
);
1200 /* PMLP - Ports Module to Local Port Register
1201 * ------------------------------------------
1202 * Configures the assignment of modules to local ports.
1204 #define MLXSW_REG_PMLP_ID 0x5002
1205 #define MLXSW_REG_PMLP_LEN 0x40
1207 static const struct mlxsw_reg_info mlxsw_reg_pmlp
= {
1208 .id
= MLXSW_REG_PMLP_ID
,
1209 .len
= MLXSW_REG_PMLP_LEN
,
1213 * 0 - Tx value is used for both Tx and Rx.
1214 * 1 - Rx value is taken from a separte field.
1217 MLXSW_ITEM32(reg
, pmlp
, rxtx
, 0x00, 31, 1);
1219 /* reg_pmlp_local_port
1220 * Local port number.
1223 MLXSW_ITEM32(reg
, pmlp
, local_port
, 0x00, 16, 8);
1226 * 0 - Unmap local port.
1227 * 1 - Lane 0 is used.
1228 * 2 - Lanes 0 and 1 are used.
1229 * 4 - Lanes 0, 1, 2 and 3 are used.
1232 MLXSW_ITEM32(reg
, pmlp
, width
, 0x00, 0, 8);
1238 MLXSW_ITEM32_INDEXED(reg
, pmlp
, module
, 0x04, 0, 8, 0x04, 0, false);
1241 * Tx Lane. When rxtx field is cleared, this field is used for Rx as well.
1244 MLXSW_ITEM32_INDEXED(reg
, pmlp
, tx_lane
, 0x04, 16, 2, 0x04, 16, false);
1247 * Rx Lane. When rxtx field is cleared, this field is ignored and Rx lane is
1251 MLXSW_ITEM32_INDEXED(reg
, pmlp
, rx_lane
, 0x04, 24, 2, 0x04, 24, false);
1253 static inline void mlxsw_reg_pmlp_pack(char *payload
, u8 local_port
)
1255 MLXSW_REG_ZERO(pmlp
, payload
);
1256 mlxsw_reg_pmlp_local_port_set(payload
, local_port
);
1259 /* PMTU - Port MTU Register
1260 * ------------------------
1261 * Configures and reports the port MTU.
1263 #define MLXSW_REG_PMTU_ID 0x5003
1264 #define MLXSW_REG_PMTU_LEN 0x10
1266 static const struct mlxsw_reg_info mlxsw_reg_pmtu
= {
1267 .id
= MLXSW_REG_PMTU_ID
,
1268 .len
= MLXSW_REG_PMTU_LEN
,
1271 /* reg_pmtu_local_port
1272 * Local port number.
1275 MLXSW_ITEM32(reg
, pmtu
, local_port
, 0x00, 16, 8);
1279 * When port type (e.g. Ethernet) is configured, the relevant MTU is
1280 * reported, otherwise the minimum between the max_mtu of the different
1281 * types is reported.
1284 MLXSW_ITEM32(reg
, pmtu
, max_mtu
, 0x04, 16, 16);
1286 /* reg_pmtu_admin_mtu
1287 * MTU value to set port to. Must be smaller or equal to max_mtu.
1288 * Note: If port type is Infiniband, then port must be disabled, when its
1292 MLXSW_ITEM32(reg
, pmtu
, admin_mtu
, 0x08, 16, 16);
1294 /* reg_pmtu_oper_mtu
1295 * The actual MTU configured on the port. Packets exceeding this size
1297 * Note: In Ethernet and FC oper_mtu == admin_mtu, however, in Infiniband
1298 * oper_mtu might be smaller than admin_mtu.
1301 MLXSW_ITEM32(reg
, pmtu
, oper_mtu
, 0x0C, 16, 16);
1303 static inline void mlxsw_reg_pmtu_pack(char *payload
, u8 local_port
,
1306 MLXSW_REG_ZERO(pmtu
, payload
);
1307 mlxsw_reg_pmtu_local_port_set(payload
, local_port
);
1308 mlxsw_reg_pmtu_max_mtu_set(payload
, 0);
1309 mlxsw_reg_pmtu_admin_mtu_set(payload
, new_mtu
);
1310 mlxsw_reg_pmtu_oper_mtu_set(payload
, 0);
1313 /* PTYS - Port Type and Speed Register
1314 * -----------------------------------
1315 * Configures and reports the port speed type.
1317 * Note: When set while the link is up, the changes will not take effect
1318 * until the port transitions from down to up state.
1320 #define MLXSW_REG_PTYS_ID 0x5004
1321 #define MLXSW_REG_PTYS_LEN 0x40
1323 static const struct mlxsw_reg_info mlxsw_reg_ptys
= {
1324 .id
= MLXSW_REG_PTYS_ID
,
1325 .len
= MLXSW_REG_PTYS_LEN
,
1328 /* reg_ptys_local_port
1329 * Local port number.
1332 MLXSW_ITEM32(reg
, ptys
, local_port
, 0x00, 16, 8);
1334 #define MLXSW_REG_PTYS_PROTO_MASK_ETH BIT(2)
1336 /* reg_ptys_proto_mask
1337 * Protocol mask. Indicates which protocol is used.
1339 * 1 - Fibre Channel.
1343 MLXSW_ITEM32(reg
, ptys
, proto_mask
, 0x00, 0, 3);
1345 #define MLXSW_REG_PTYS_ETH_SPEED_SGMII BIT(0)
1346 #define MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX BIT(1)
1347 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 BIT(2)
1348 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 BIT(3)
1349 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR BIT(4)
1350 #define MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2 BIT(5)
1351 #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 BIT(6)
1352 #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 BIT(7)
1353 #define MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4 BIT(8)
1354 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR BIT(12)
1355 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR BIT(13)
1356 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR BIT(14)
1357 #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 BIT(15)
1358 #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4 BIT(16)
1359 #define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR4 BIT(19)
1360 #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4 BIT(20)
1361 #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 BIT(21)
1362 #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 BIT(22)
1363 #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4 BIT(23)
1364 #define MLXSW_REG_PTYS_ETH_SPEED_100BASE_TX BIT(24)
1365 #define MLXSW_REG_PTYS_ETH_SPEED_100BASE_T BIT(25)
1366 #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T BIT(26)
1367 #define MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR BIT(27)
1368 #define MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR BIT(28)
1369 #define MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR BIT(29)
1370 #define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2 BIT(30)
1371 #define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2 BIT(31)
1373 /* reg_ptys_eth_proto_cap
1374 * Ethernet port supported speeds and protocols.
1377 MLXSW_ITEM32(reg
, ptys
, eth_proto_cap
, 0x0C, 0, 32);
1379 /* reg_ptys_eth_proto_admin
1380 * Speed and protocol to set port to.
1383 MLXSW_ITEM32(reg
, ptys
, eth_proto_admin
, 0x18, 0, 32);
1385 /* reg_ptys_eth_proto_oper
1386 * The current speed and protocol configured for the port.
1389 MLXSW_ITEM32(reg
, ptys
, eth_proto_oper
, 0x24, 0, 32);
1391 static inline void mlxsw_reg_ptys_pack(char *payload
, u8 local_port
,
1394 MLXSW_REG_ZERO(ptys
, payload
);
1395 mlxsw_reg_ptys_local_port_set(payload
, local_port
);
1396 mlxsw_reg_ptys_proto_mask_set(payload
, MLXSW_REG_PTYS_PROTO_MASK_ETH
);
1397 mlxsw_reg_ptys_eth_proto_admin_set(payload
, proto_admin
);
1400 static inline void mlxsw_reg_ptys_unpack(char *payload
, u32
*p_eth_proto_cap
,
1401 u32
*p_eth_proto_adm
,
1402 u32
*p_eth_proto_oper
)
1404 if (p_eth_proto_cap
)
1405 *p_eth_proto_cap
= mlxsw_reg_ptys_eth_proto_cap_get(payload
);
1406 if (p_eth_proto_adm
)
1407 *p_eth_proto_adm
= mlxsw_reg_ptys_eth_proto_admin_get(payload
);
1408 if (p_eth_proto_oper
)
1409 *p_eth_proto_oper
= mlxsw_reg_ptys_eth_proto_oper_get(payload
);
1412 /* PPAD - Port Physical Address Register
1413 * -------------------------------------
1414 * The PPAD register configures the per port physical MAC address.
1416 #define MLXSW_REG_PPAD_ID 0x5005
1417 #define MLXSW_REG_PPAD_LEN 0x10
1419 static const struct mlxsw_reg_info mlxsw_reg_ppad
= {
1420 .id
= MLXSW_REG_PPAD_ID
,
1421 .len
= MLXSW_REG_PPAD_LEN
,
1424 /* reg_ppad_single_base_mac
1425 * 0: base_mac, local port should be 0 and mac[7:0] is
1426 * reserved. HW will set incremental
1427 * 1: single_mac - mac of the local_port
1430 MLXSW_ITEM32(reg
, ppad
, single_base_mac
, 0x00, 28, 1);
1432 /* reg_ppad_local_port
1433 * port number, if single_base_mac = 0 then local_port is reserved
1436 MLXSW_ITEM32(reg
, ppad
, local_port
, 0x00, 16, 8);
1439 * If single_base_mac = 0 - base MAC address, mac[7:0] is reserved.
1440 * If single_base_mac = 1 - the per port MAC address
1443 MLXSW_ITEM_BUF(reg
, ppad
, mac
, 0x02, 6);
1445 static inline void mlxsw_reg_ppad_pack(char *payload
, bool single_base_mac
,
1448 MLXSW_REG_ZERO(ppad
, payload
);
1449 mlxsw_reg_ppad_single_base_mac_set(payload
, !!single_base_mac
);
1450 mlxsw_reg_ppad_local_port_set(payload
, local_port
);
1453 /* PAOS - Ports Administrative and Operational Status Register
1454 * -----------------------------------------------------------
1455 * Configures and retrieves per port administrative and operational status.
1457 #define MLXSW_REG_PAOS_ID 0x5006
1458 #define MLXSW_REG_PAOS_LEN 0x10
1460 static const struct mlxsw_reg_info mlxsw_reg_paos
= {
1461 .id
= MLXSW_REG_PAOS_ID
,
1462 .len
= MLXSW_REG_PAOS_LEN
,
1466 * Switch partition ID with which to associate the port.
1467 * Note: while external ports uses unique local port numbers (and thus swid is
1468 * redundant), router ports use the same local port number where swid is the
1469 * only indication for the relevant port.
1472 MLXSW_ITEM32(reg
, paos
, swid
, 0x00, 24, 8);
1474 /* reg_paos_local_port
1475 * Local port number.
1478 MLXSW_ITEM32(reg
, paos
, local_port
, 0x00, 16, 8);
1480 /* reg_paos_admin_status
1481 * Port administrative state (the desired state of the port):
1484 * 3 - Up once. This means that in case of link failure, the port won't go
1485 * into polling mode, but will wait to be re-enabled by software.
1486 * 4 - Disabled by system. Can only be set by hardware.
1489 MLXSW_ITEM32(reg
, paos
, admin_status
, 0x00, 8, 4);
1491 /* reg_paos_oper_status
1492 * Port operational state (the current state):
1495 * 3 - Down by port failure. This means that the device will not let the
1496 * port up again until explicitly specified by software.
1499 MLXSW_ITEM32(reg
, paos
, oper_status
, 0x00, 0, 4);
1502 * Admin state update enabled.
1505 MLXSW_ITEM32(reg
, paos
, ase
, 0x04, 31, 1);
1508 * Event update enable. If this bit is set, event generation will be
1509 * updated based on the e field.
1512 MLXSW_ITEM32(reg
, paos
, ee
, 0x04, 30, 1);
1515 * Event generation on operational state change:
1516 * 0 - Do not generate event.
1517 * 1 - Generate Event.
1518 * 2 - Generate Single Event.
1521 MLXSW_ITEM32(reg
, paos
, e
, 0x04, 0, 2);
1523 static inline void mlxsw_reg_paos_pack(char *payload
, u8 local_port
,
1524 enum mlxsw_port_admin_status status
)
1526 MLXSW_REG_ZERO(paos
, payload
);
1527 mlxsw_reg_paos_swid_set(payload
, 0);
1528 mlxsw_reg_paos_local_port_set(payload
, local_port
);
1529 mlxsw_reg_paos_admin_status_set(payload
, status
);
1530 mlxsw_reg_paos_oper_status_set(payload
, 0);
1531 mlxsw_reg_paos_ase_set(payload
, 1);
1532 mlxsw_reg_paos_ee_set(payload
, 1);
1533 mlxsw_reg_paos_e_set(payload
, 1);
1536 /* PPCNT - Ports Performance Counters Register
1537 * -------------------------------------------
1538 * The PPCNT register retrieves per port performance counters.
1540 #define MLXSW_REG_PPCNT_ID 0x5008
1541 #define MLXSW_REG_PPCNT_LEN 0x100
1543 static const struct mlxsw_reg_info mlxsw_reg_ppcnt
= {
1544 .id
= MLXSW_REG_PPCNT_ID
,
1545 .len
= MLXSW_REG_PPCNT_LEN
,
1549 * For HCA: must be always 0.
1550 * Switch partition ID to associate port with.
1551 * Switch partitions are numbered from 0 to 7 inclusively.
1552 * Switch partition 254 indicates stacking ports.
1553 * Switch partition 255 indicates all switch partitions.
1554 * Only valid on Set() operation with local_port=255.
1557 MLXSW_ITEM32(reg
, ppcnt
, swid
, 0x00, 24, 8);
1559 /* reg_ppcnt_local_port
1560 * Local port number.
1561 * 255 indicates all ports on the device, and is only allowed
1562 * for Set() operation.
1565 MLXSW_ITEM32(reg
, ppcnt
, local_port
, 0x00, 16, 8);
1568 * Port number access type:
1569 * 0 - Local port number
1570 * 1 - IB port number
1573 MLXSW_ITEM32(reg
, ppcnt
, pnat
, 0x00, 14, 2);
1576 * Performance counter group.
1577 * Group 63 indicates all groups. Only valid on Set() operation with
1579 * 0x0: IEEE 802.3 Counters
1580 * 0x1: RFC 2863 Counters
1581 * 0x2: RFC 2819 Counters
1582 * 0x3: RFC 3635 Counters
1583 * 0x5: Ethernet Extended Counters
1584 * 0x8: Link Level Retransmission Counters
1585 * 0x10: Per Priority Counters
1586 * 0x11: Per Traffic Class Counters
1587 * 0x12: Physical Layer Counters
1590 MLXSW_ITEM32(reg
, ppcnt
, grp
, 0x00, 0, 6);
1593 * Clear counters. Setting the clr bit will reset the counter value
1594 * for all counters in the counter group. This bit can be set
1595 * for both Set() and Get() operation.
1598 MLXSW_ITEM32(reg
, ppcnt
, clr
, 0x04, 31, 1);
1600 /* reg_ppcnt_prio_tc
1601 * Priority for counter set that support per priority, valid values: 0-7.
1602 * Traffic class for counter set that support per traffic class,
1603 * valid values: 0- cap_max_tclass-1 .
1604 * For HCA: cap_max_tclass is always 8.
1605 * Otherwise must be 0.
1608 MLXSW_ITEM32(reg
, ppcnt
, prio_tc
, 0x04, 0, 5);
1610 /* reg_ppcnt_a_frames_transmitted_ok
1613 MLXSW_ITEM64(reg
, ppcnt
, a_frames_transmitted_ok
,
1614 0x08 + 0x00, 0, 64);
1616 /* reg_ppcnt_a_frames_received_ok
1619 MLXSW_ITEM64(reg
, ppcnt
, a_frames_received_ok
,
1620 0x08 + 0x08, 0, 64);
1622 /* reg_ppcnt_a_frame_check_sequence_errors
1625 MLXSW_ITEM64(reg
, ppcnt
, a_frame_check_sequence_errors
,
1626 0x08 + 0x10, 0, 64);
1628 /* reg_ppcnt_a_alignment_errors
1631 MLXSW_ITEM64(reg
, ppcnt
, a_alignment_errors
,
1632 0x08 + 0x18, 0, 64);
1634 /* reg_ppcnt_a_octets_transmitted_ok
1637 MLXSW_ITEM64(reg
, ppcnt
, a_octets_transmitted_ok
,
1638 0x08 + 0x20, 0, 64);
1640 /* reg_ppcnt_a_octets_received_ok
1643 MLXSW_ITEM64(reg
, ppcnt
, a_octets_received_ok
,
1644 0x08 + 0x28, 0, 64);
1646 /* reg_ppcnt_a_multicast_frames_xmitted_ok
1649 MLXSW_ITEM64(reg
, ppcnt
, a_multicast_frames_xmitted_ok
,
1650 0x08 + 0x30, 0, 64);
1652 /* reg_ppcnt_a_broadcast_frames_xmitted_ok
1655 MLXSW_ITEM64(reg
, ppcnt
, a_broadcast_frames_xmitted_ok
,
1656 0x08 + 0x38, 0, 64);
1658 /* reg_ppcnt_a_multicast_frames_received_ok
1661 MLXSW_ITEM64(reg
, ppcnt
, a_multicast_frames_received_ok
,
1662 0x08 + 0x40, 0, 64);
1664 /* reg_ppcnt_a_broadcast_frames_received_ok
1667 MLXSW_ITEM64(reg
, ppcnt
, a_broadcast_frames_received_ok
,
1668 0x08 + 0x48, 0, 64);
1670 /* reg_ppcnt_a_in_range_length_errors
1673 MLXSW_ITEM64(reg
, ppcnt
, a_in_range_length_errors
,
1674 0x08 + 0x50, 0, 64);
1676 /* reg_ppcnt_a_out_of_range_length_field
1679 MLXSW_ITEM64(reg
, ppcnt
, a_out_of_range_length_field
,
1680 0x08 + 0x58, 0, 64);
1682 /* reg_ppcnt_a_frame_too_long_errors
1685 MLXSW_ITEM64(reg
, ppcnt
, a_frame_too_long_errors
,
1686 0x08 + 0x60, 0, 64);
1688 /* reg_ppcnt_a_symbol_error_during_carrier
1691 MLXSW_ITEM64(reg
, ppcnt
, a_symbol_error_during_carrier
,
1692 0x08 + 0x68, 0, 64);
1694 /* reg_ppcnt_a_mac_control_frames_transmitted
1697 MLXSW_ITEM64(reg
, ppcnt
, a_mac_control_frames_transmitted
,
1698 0x08 + 0x70, 0, 64);
1700 /* reg_ppcnt_a_mac_control_frames_received
1703 MLXSW_ITEM64(reg
, ppcnt
, a_mac_control_frames_received
,
1704 0x08 + 0x78, 0, 64);
1706 /* reg_ppcnt_a_unsupported_opcodes_received
1709 MLXSW_ITEM64(reg
, ppcnt
, a_unsupported_opcodes_received
,
1710 0x08 + 0x80, 0, 64);
1712 /* reg_ppcnt_a_pause_mac_ctrl_frames_received
1715 MLXSW_ITEM64(reg
, ppcnt
, a_pause_mac_ctrl_frames_received
,
1716 0x08 + 0x88, 0, 64);
1718 /* reg_ppcnt_a_pause_mac_ctrl_frames_transmitted
1721 MLXSW_ITEM64(reg
, ppcnt
, a_pause_mac_ctrl_frames_transmitted
,
1722 0x08 + 0x90, 0, 64);
1724 static inline void mlxsw_reg_ppcnt_pack(char *payload
, u8 local_port
)
1726 MLXSW_REG_ZERO(ppcnt
, payload
);
1727 mlxsw_reg_ppcnt_swid_set(payload
, 0);
1728 mlxsw_reg_ppcnt_local_port_set(payload
, local_port
);
1729 mlxsw_reg_ppcnt_pnat_set(payload
, 0);
1730 mlxsw_reg_ppcnt_grp_set(payload
, 0);
1731 mlxsw_reg_ppcnt_clr_set(payload
, 0);
1732 mlxsw_reg_ppcnt_prio_tc_set(payload
, 0);
1735 /* PBMC - Port Buffer Management Control Register
1736 * ----------------------------------------------
1737 * The PBMC register configures and retrieves the port packet buffer
1738 * allocation for different Prios, and the Pause threshold management.
1740 #define MLXSW_REG_PBMC_ID 0x500C
1741 #define MLXSW_REG_PBMC_LEN 0x68
1743 static const struct mlxsw_reg_info mlxsw_reg_pbmc
= {
1744 .id
= MLXSW_REG_PBMC_ID
,
1745 .len
= MLXSW_REG_PBMC_LEN
,
1748 /* reg_pbmc_local_port
1749 * Local port number.
1752 MLXSW_ITEM32(reg
, pbmc
, local_port
, 0x00, 16, 8);
1754 /* reg_pbmc_xoff_timer_value
1755 * When device generates a pause frame, it uses this value as the pause
1756 * timer (time for the peer port to pause in quota-512 bit time).
1759 MLXSW_ITEM32(reg
, pbmc
, xoff_timer_value
, 0x04, 16, 16);
1761 /* reg_pbmc_xoff_refresh
1762 * The time before a new pause frame should be sent to refresh the pause RW
1763 * state. Using the same units as xoff_timer_value above (in quota-512 bit
1767 MLXSW_ITEM32(reg
, pbmc
, xoff_refresh
, 0x04, 0, 16);
1769 /* reg_pbmc_buf_lossy
1770 * The field indicates if the buffer is lossy.
1775 MLXSW_ITEM32_INDEXED(reg
, pbmc
, buf_lossy
, 0x0C, 25, 1, 0x08, 0x00, false);
1777 /* reg_pbmc_buf_epsb
1778 * Eligible for Port Shared buffer.
1779 * If epsb is set, packets assigned to buffer are allowed to insert the port
1781 * When buf_lossy is MLXSW_REG_PBMC_LOSSY_LOSSY this field is reserved.
1784 MLXSW_ITEM32_INDEXED(reg
, pbmc
, buf_epsb
, 0x0C, 24, 1, 0x08, 0x00, false);
1786 /* reg_pbmc_buf_size
1787 * The part of the packet buffer array is allocated for the specific buffer.
1788 * Units are represented in cells.
1791 MLXSW_ITEM32_INDEXED(reg
, pbmc
, buf_size
, 0x0C, 0, 16, 0x08, 0x00, false);
1793 static inline void mlxsw_reg_pbmc_pack(char *payload
, u8 local_port
,
1794 u16 xoff_timer_value
, u16 xoff_refresh
)
1796 MLXSW_REG_ZERO(pbmc
, payload
);
1797 mlxsw_reg_pbmc_local_port_set(payload
, local_port
);
1798 mlxsw_reg_pbmc_xoff_timer_value_set(payload
, xoff_timer_value
);
1799 mlxsw_reg_pbmc_xoff_refresh_set(payload
, xoff_refresh
);
1802 static inline void mlxsw_reg_pbmc_lossy_buffer_pack(char *payload
,
1806 mlxsw_reg_pbmc_buf_lossy_set(payload
, buf_index
, 1);
1807 mlxsw_reg_pbmc_buf_epsb_set(payload
, buf_index
, 0);
1808 mlxsw_reg_pbmc_buf_size_set(payload
, buf_index
, size
);
1811 /* PSPA - Port Switch Partition Allocation
1812 * ---------------------------------------
1813 * Controls the association of a port with a switch partition and enables
1814 * configuring ports as stacking ports.
1816 #define MLXSW_REG_PSPA_ID 0x500D
1817 #define MLXSW_REG_PSPA_LEN 0x8
1819 static const struct mlxsw_reg_info mlxsw_reg_pspa
= {
1820 .id
= MLXSW_REG_PSPA_ID
,
1821 .len
= MLXSW_REG_PSPA_LEN
,
1825 * Switch partition ID.
1828 MLXSW_ITEM32(reg
, pspa
, swid
, 0x00, 24, 8);
1830 /* reg_pspa_local_port
1831 * Local port number.
1834 MLXSW_ITEM32(reg
, pspa
, local_port
, 0x00, 16, 8);
1836 /* reg_pspa_sub_port
1837 * Virtual port within the local port. Set to 0 when virtual ports are
1838 * disabled on the local port.
1841 MLXSW_ITEM32(reg
, pspa
, sub_port
, 0x00, 8, 8);
1843 static inline void mlxsw_reg_pspa_pack(char *payload
, u8 swid
, u8 local_port
)
1845 MLXSW_REG_ZERO(pspa
, payload
);
1846 mlxsw_reg_pspa_swid_set(payload
, swid
);
1847 mlxsw_reg_pspa_local_port_set(payload
, local_port
);
1848 mlxsw_reg_pspa_sub_port_set(payload
, 0);
1851 /* HTGT - Host Trap Group Table
1852 * ----------------------------
1853 * Configures the properties for forwarding to CPU.
1855 #define MLXSW_REG_HTGT_ID 0x7002
1856 #define MLXSW_REG_HTGT_LEN 0x100
1858 static const struct mlxsw_reg_info mlxsw_reg_htgt
= {
1859 .id
= MLXSW_REG_HTGT_ID
,
1860 .len
= MLXSW_REG_HTGT_LEN
,
1864 * Switch partition ID.
1867 MLXSW_ITEM32(reg
, htgt
, swid
, 0x00, 24, 8);
1869 #define MLXSW_REG_HTGT_PATH_TYPE_LOCAL 0x0 /* For locally attached CPU */
1875 MLXSW_ITEM32(reg
, htgt
, type
, 0x00, 8, 4);
1877 enum mlxsw_reg_htgt_trap_group
{
1878 MLXSW_REG_HTGT_TRAP_GROUP_EMAD
,
1879 MLXSW_REG_HTGT_TRAP_GROUP_RX
,
1880 MLXSW_REG_HTGT_TRAP_GROUP_CTRL
,
1883 /* reg_htgt_trap_group
1884 * Trap group number. User defined number specifying which trap groups
1885 * should be forwarded to the CPU. The mapping between trap IDs and trap
1886 * groups is configured using HPKT register.
1889 MLXSW_ITEM32(reg
, htgt
, trap_group
, 0x00, 0, 8);
1892 MLXSW_REG_HTGT_POLICER_DISABLE
,
1893 MLXSW_REG_HTGT_POLICER_ENABLE
,
1897 * Enable policer ID specified using 'pid' field.
1900 MLXSW_ITEM32(reg
, htgt
, pide
, 0x04, 15, 1);
1903 * Policer ID for the trap group.
1906 MLXSW_ITEM32(reg
, htgt
, pid
, 0x04, 0, 8);
1908 #define MLXSW_REG_HTGT_TRAP_TO_CPU 0x0
1910 /* reg_htgt_mirror_action
1911 * Mirror action to use.
1913 * 1 - Trap to CPU and mirror to a mirroring agent.
1914 * 2 - Mirror to a mirroring agent and do not trap to CPU.
1917 * Note: Mirroring to a mirroring agent is only supported in Spectrum.
1919 MLXSW_ITEM32(reg
, htgt
, mirror_action
, 0x08, 8, 2);
1921 /* reg_htgt_mirroring_agent
1925 MLXSW_ITEM32(reg
, htgt
, mirroring_agent
, 0x08, 0, 3);
1927 /* reg_htgt_priority
1928 * Trap group priority.
1929 * In case a packet matches multiple classification rules, the packet will
1930 * only be trapped once, based on the trap ID associated with the group (via
1931 * register HPKT) with the highest priority.
1932 * Supported values are 0-7, with 7 represnting the highest priority.
1935 * Note: In SwitchX-2 this field is ignored and the priority value is replaced
1936 * by the 'trap_group' field.
1938 MLXSW_ITEM32(reg
, htgt
, priority
, 0x0C, 0, 4);
1940 /* reg_htgt_local_path_cpu_tclass
1941 * CPU ingress traffic class for the trap group.
1944 MLXSW_ITEM32(reg
, htgt
, local_path_cpu_tclass
, 0x10, 16, 6);
1946 #define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_EMAD 0x15
1947 #define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_RX 0x14
1948 #define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_CTRL 0x13
1950 /* reg_htgt_local_path_rdq
1951 * Receive descriptor queue (RDQ) to use for the trap group.
1954 MLXSW_ITEM32(reg
, htgt
, local_path_rdq
, 0x10, 0, 6);
1956 static inline void mlxsw_reg_htgt_pack(char *payload
,
1957 enum mlxsw_reg_htgt_trap_group group
)
1961 MLXSW_REG_ZERO(htgt
, payload
);
1963 case MLXSW_REG_HTGT_TRAP_GROUP_EMAD
:
1964 swid
= MLXSW_PORT_SWID_ALL_SWIDS
;
1965 rdq
= MLXSW_REG_HTGT_LOCAL_PATH_RDQ_EMAD
;
1967 case MLXSW_REG_HTGT_TRAP_GROUP_RX
:
1969 rdq
= MLXSW_REG_HTGT_LOCAL_PATH_RDQ_RX
;
1971 case MLXSW_REG_HTGT_TRAP_GROUP_CTRL
:
1973 rdq
= MLXSW_REG_HTGT_LOCAL_PATH_RDQ_CTRL
;
1976 mlxsw_reg_htgt_swid_set(payload
, swid
);
1977 mlxsw_reg_htgt_type_set(payload
, MLXSW_REG_HTGT_PATH_TYPE_LOCAL
);
1978 mlxsw_reg_htgt_trap_group_set(payload
, group
);
1979 mlxsw_reg_htgt_pide_set(payload
, MLXSW_REG_HTGT_POLICER_DISABLE
);
1980 mlxsw_reg_htgt_pid_set(payload
, 0);
1981 mlxsw_reg_htgt_mirror_action_set(payload
, MLXSW_REG_HTGT_TRAP_TO_CPU
);
1982 mlxsw_reg_htgt_mirroring_agent_set(payload
, 0);
1983 mlxsw_reg_htgt_priority_set(payload
, 0);
1984 mlxsw_reg_htgt_local_path_cpu_tclass_set(payload
, 7);
1985 mlxsw_reg_htgt_local_path_rdq_set(payload
, rdq
);
1988 /* HPKT - Host Packet Trap
1989 * -----------------------
1990 * Configures trap IDs inside trap groups.
1992 #define MLXSW_REG_HPKT_ID 0x7003
1993 #define MLXSW_REG_HPKT_LEN 0x10
1995 static const struct mlxsw_reg_info mlxsw_reg_hpkt
= {
1996 .id
= MLXSW_REG_HPKT_ID
,
1997 .len
= MLXSW_REG_HPKT_LEN
,
2001 MLXSW_REG_HPKT_ACK_NOT_REQUIRED
,
2002 MLXSW_REG_HPKT_ACK_REQUIRED
,
2006 * Require acknowledgements from the host for events.
2007 * If set, then the device will wait for the event it sent to be acknowledged
2008 * by the host. This option is only relevant for event trap IDs.
2011 * Note: Currently not supported by firmware.
2013 MLXSW_ITEM32(reg
, hpkt
, ack
, 0x00, 24, 1);
2015 enum mlxsw_reg_hpkt_action
{
2016 MLXSW_REG_HPKT_ACTION_FORWARD
,
2017 MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU
,
2018 MLXSW_REG_HPKT_ACTION_MIRROR_TO_CPU
,
2019 MLXSW_REG_HPKT_ACTION_DISCARD
,
2020 MLXSW_REG_HPKT_ACTION_SOFT_DISCARD
,
2021 MLXSW_REG_HPKT_ACTION_TRAP_AND_SOFT_DISCARD
,
2025 * Action to perform on packet when trapped.
2026 * 0 - No action. Forward to CPU based on switching rules.
2027 * 1 - Trap to CPU (CPU receives sole copy).
2028 * 2 - Mirror to CPU (CPU receives a replica of the packet).
2030 * 4 - Soft discard (allow other traps to act on the packet).
2031 * 5 - Trap and soft discard (allow other traps to overwrite this trap).
2034 * Note: Must be set to 0 (forward) for event trap IDs, as they are already
2035 * addressed to the CPU.
2037 MLXSW_ITEM32(reg
, hpkt
, action
, 0x00, 20, 3);
2039 /* reg_hpkt_trap_group
2040 * Trap group to associate the trap with.
2043 MLXSW_ITEM32(reg
, hpkt
, trap_group
, 0x00, 12, 6);
2049 * Note: A trap ID can only be associated with a single trap group. The device
2050 * will associate the trap ID with the last trap group configured.
2052 MLXSW_ITEM32(reg
, hpkt
, trap_id
, 0x00, 0, 9);
2055 MLXSW_REG_HPKT_CTRL_PACKET_DEFAULT
,
2056 MLXSW_REG_HPKT_CTRL_PACKET_NO_BUFFER
,
2057 MLXSW_REG_HPKT_CTRL_PACKET_USE_BUFFER
,
2061 * Configure dedicated buffer resources for control packets.
2062 * 0 - Keep factory defaults.
2063 * 1 - Do not use control buffer for this trap ID.
2064 * 2 - Use control buffer for this trap ID.
2067 MLXSW_ITEM32(reg
, hpkt
, ctrl
, 0x04, 16, 2);
2069 static inline void mlxsw_reg_hpkt_pack(char *payload
, u8 action
, u16 trap_id
)
2071 enum mlxsw_reg_htgt_trap_group trap_group
;
2073 MLXSW_REG_ZERO(hpkt
, payload
);
2074 mlxsw_reg_hpkt_ack_set(payload
, MLXSW_REG_HPKT_ACK_NOT_REQUIRED
);
2075 mlxsw_reg_hpkt_action_set(payload
, action
);
2077 case MLXSW_TRAP_ID_ETHEMAD
:
2078 case MLXSW_TRAP_ID_PUDE
:
2079 trap_group
= MLXSW_REG_HTGT_TRAP_GROUP_EMAD
;
2082 trap_group
= MLXSW_REG_HTGT_TRAP_GROUP_RX
;
2085 mlxsw_reg_hpkt_trap_group_set(payload
, trap_group
);
2086 mlxsw_reg_hpkt_trap_id_set(payload
, trap_id
);
2087 mlxsw_reg_hpkt_ctrl_set(payload
, MLXSW_REG_HPKT_CTRL_PACKET_DEFAULT
);
2090 /* SBPR - Shared Buffer Pools Register
2091 * -----------------------------------
2092 * The SBPR configures and retrieves the shared buffer pools and configuration.
2094 #define MLXSW_REG_SBPR_ID 0xB001
2095 #define MLXSW_REG_SBPR_LEN 0x14
2097 static const struct mlxsw_reg_info mlxsw_reg_sbpr
= {
2098 .id
= MLXSW_REG_SBPR_ID
,
2099 .len
= MLXSW_REG_SBPR_LEN
,
2102 enum mlxsw_reg_sbpr_dir
{
2103 MLXSW_REG_SBPR_DIR_INGRESS
,
2104 MLXSW_REG_SBPR_DIR_EGRESS
,
2111 MLXSW_ITEM32(reg
, sbpr
, dir
, 0x00, 24, 2);
2117 MLXSW_ITEM32(reg
, sbpr
, pool
, 0x00, 0, 4);
2120 * Pool size in buffer cells.
2123 MLXSW_ITEM32(reg
, sbpr
, size
, 0x04, 0, 24);
2125 enum mlxsw_reg_sbpr_mode
{
2126 MLXSW_REG_SBPR_MODE_STATIC
,
2127 MLXSW_REG_SBPR_MODE_DYNAMIC
,
2131 * Pool quota calculation mode.
2134 MLXSW_ITEM32(reg
, sbpr
, mode
, 0x08, 0, 4);
2136 static inline void mlxsw_reg_sbpr_pack(char *payload
, u8 pool
,
2137 enum mlxsw_reg_sbpr_dir dir
,
2138 enum mlxsw_reg_sbpr_mode mode
, u32 size
)
2140 MLXSW_REG_ZERO(sbpr
, payload
);
2141 mlxsw_reg_sbpr_pool_set(payload
, pool
);
2142 mlxsw_reg_sbpr_dir_set(payload
, dir
);
2143 mlxsw_reg_sbpr_mode_set(payload
, mode
);
2144 mlxsw_reg_sbpr_size_set(payload
, size
);
2147 /* SBCM - Shared Buffer Class Management Register
2148 * ----------------------------------------------
2149 * The SBCM register configures and retrieves the shared buffer allocation
2150 * and configuration according to Port-PG, including the binding to pool
2151 * and definition of the associated quota.
2153 #define MLXSW_REG_SBCM_ID 0xB002
2154 #define MLXSW_REG_SBCM_LEN 0x28
2156 static const struct mlxsw_reg_info mlxsw_reg_sbcm
= {
2157 .id
= MLXSW_REG_SBCM_ID
,
2158 .len
= MLXSW_REG_SBCM_LEN
,
2161 /* reg_sbcm_local_port
2162 * Local port number.
2163 * For Ingress: excludes CPU port and Router port
2164 * For Egress: excludes IP Router
2167 MLXSW_ITEM32(reg
, sbcm
, local_port
, 0x00, 16, 8);
2170 * PG buffer - Port PG (dir=ingress) / traffic class (dir=egress)
2171 * For PG buffer: range is 0..cap_max_pg_buffers - 1
2172 * For traffic class: range is 0..cap_max_tclass - 1
2173 * Note that when traffic class is in MC aware mode then the traffic
2174 * classes which are MC aware cannot be configured.
2177 MLXSW_ITEM32(reg
, sbcm
, pg_buff
, 0x00, 8, 6);
2179 enum mlxsw_reg_sbcm_dir
{
2180 MLXSW_REG_SBCM_DIR_INGRESS
,
2181 MLXSW_REG_SBCM_DIR_EGRESS
,
2188 MLXSW_ITEM32(reg
, sbcm
, dir
, 0x00, 0, 2);
2190 /* reg_sbcm_min_buff
2191 * Minimum buffer size for the limiter, in cells.
2194 MLXSW_ITEM32(reg
, sbcm
, min_buff
, 0x18, 0, 24);
2196 /* reg_sbcm_max_buff
2197 * When the pool associated to the port-pg/tclass is configured to
2198 * static, Maximum buffer size for the limiter configured in cells.
2199 * When the pool associated to the port-pg/tclass is configured to
2200 * dynamic, the max_buff holds the "alpha" parameter, supporting
2201 * the following values:
2203 * i: (1/128)*2^(i-1), for i=1..14
2207 MLXSW_ITEM32(reg
, sbcm
, max_buff
, 0x1C, 0, 24);
2210 * Association of the port-priority to a pool.
2213 MLXSW_ITEM32(reg
, sbcm
, pool
, 0x24, 0, 4);
2215 static inline void mlxsw_reg_sbcm_pack(char *payload
, u8 local_port
, u8 pg_buff
,
2216 enum mlxsw_reg_sbcm_dir dir
,
2217 u32 min_buff
, u32 max_buff
, u8 pool
)
2219 MLXSW_REG_ZERO(sbcm
, payload
);
2220 mlxsw_reg_sbcm_local_port_set(payload
, local_port
);
2221 mlxsw_reg_sbcm_pg_buff_set(payload
, pg_buff
);
2222 mlxsw_reg_sbcm_dir_set(payload
, dir
);
2223 mlxsw_reg_sbcm_min_buff_set(payload
, min_buff
);
2224 mlxsw_reg_sbcm_max_buff_set(payload
, max_buff
);
2225 mlxsw_reg_sbcm_pool_set(payload
, pool
);
2228 /* SBPM - Shared Buffer Class Management Register
2229 * ----------------------------------------------
2230 * The SBPM register configures and retrieves the shared buffer allocation
2231 * and configuration according to Port-Pool, including the definition
2232 * of the associated quota.
2234 #define MLXSW_REG_SBPM_ID 0xB003
2235 #define MLXSW_REG_SBPM_LEN 0x28
2237 static const struct mlxsw_reg_info mlxsw_reg_sbpm
= {
2238 .id
= MLXSW_REG_SBPM_ID
,
2239 .len
= MLXSW_REG_SBPM_LEN
,
2242 /* reg_sbpm_local_port
2243 * Local port number.
2244 * For Ingress: excludes CPU port and Router port
2245 * For Egress: excludes IP Router
2248 MLXSW_ITEM32(reg
, sbpm
, local_port
, 0x00, 16, 8);
2251 * The pool associated to quota counting on the local_port.
2254 MLXSW_ITEM32(reg
, sbpm
, pool
, 0x00, 8, 4);
2256 enum mlxsw_reg_sbpm_dir
{
2257 MLXSW_REG_SBPM_DIR_INGRESS
,
2258 MLXSW_REG_SBPM_DIR_EGRESS
,
2265 MLXSW_ITEM32(reg
, sbpm
, dir
, 0x00, 0, 2);
2267 /* reg_sbpm_min_buff
2268 * Minimum buffer size for the limiter, in cells.
2271 MLXSW_ITEM32(reg
, sbpm
, min_buff
, 0x18, 0, 24);
2273 /* reg_sbpm_max_buff
2274 * When the pool associated to the port-pg/tclass is configured to
2275 * static, Maximum buffer size for the limiter configured in cells.
2276 * When the pool associated to the port-pg/tclass is configured to
2277 * dynamic, the max_buff holds the "alpha" parameter, supporting
2278 * the following values:
2280 * i: (1/128)*2^(i-1), for i=1..14
2284 MLXSW_ITEM32(reg
, sbpm
, max_buff
, 0x1C, 0, 24);
2286 static inline void mlxsw_reg_sbpm_pack(char *payload
, u8 local_port
, u8 pool
,
2287 enum mlxsw_reg_sbpm_dir dir
,
2288 u32 min_buff
, u32 max_buff
)
2290 MLXSW_REG_ZERO(sbpm
, payload
);
2291 mlxsw_reg_sbpm_local_port_set(payload
, local_port
);
2292 mlxsw_reg_sbpm_pool_set(payload
, pool
);
2293 mlxsw_reg_sbpm_dir_set(payload
, dir
);
2294 mlxsw_reg_sbpm_min_buff_set(payload
, min_buff
);
2295 mlxsw_reg_sbpm_max_buff_set(payload
, max_buff
);
2298 /* SBMM - Shared Buffer Multicast Management Register
2299 * --------------------------------------------------
2300 * The SBMM register configures and retrieves the shared buffer allocation
2301 * and configuration for MC packets according to Switch-Priority, including
2302 * the binding to pool and definition of the associated quota.
2304 #define MLXSW_REG_SBMM_ID 0xB004
2305 #define MLXSW_REG_SBMM_LEN 0x28
2307 static const struct mlxsw_reg_info mlxsw_reg_sbmm
= {
2308 .id
= MLXSW_REG_SBMM_ID
,
2309 .len
= MLXSW_REG_SBMM_LEN
,
2316 MLXSW_ITEM32(reg
, sbmm
, prio
, 0x00, 8, 4);
2318 /* reg_sbmm_min_buff
2319 * Minimum buffer size for the limiter, in cells.
2322 MLXSW_ITEM32(reg
, sbmm
, min_buff
, 0x18, 0, 24);
2324 /* reg_sbmm_max_buff
2325 * When the pool associated to the port-pg/tclass is configured to
2326 * static, Maximum buffer size for the limiter configured in cells.
2327 * When the pool associated to the port-pg/tclass is configured to
2328 * dynamic, the max_buff holds the "alpha" parameter, supporting
2329 * the following values:
2331 * i: (1/128)*2^(i-1), for i=1..14
2335 MLXSW_ITEM32(reg
, sbmm
, max_buff
, 0x1C, 0, 24);
2338 * Association of the port-priority to a pool.
2341 MLXSW_ITEM32(reg
, sbmm
, pool
, 0x24, 0, 4);
2343 static inline void mlxsw_reg_sbmm_pack(char *payload
, u8 prio
, u32 min_buff
,
2344 u32 max_buff
, u8 pool
)
2346 MLXSW_REG_ZERO(sbmm
, payload
);
2347 mlxsw_reg_sbmm_prio_set(payload
, prio
);
2348 mlxsw_reg_sbmm_min_buff_set(payload
, min_buff
);
2349 mlxsw_reg_sbmm_max_buff_set(payload
, max_buff
);
2350 mlxsw_reg_sbmm_pool_set(payload
, pool
);
2353 static inline const char *mlxsw_reg_id_str(u16 reg_id
)
2356 case MLXSW_REG_SGCR_ID
:
2358 case MLXSW_REG_SPAD_ID
:
2360 case MLXSW_REG_SSPR_ID
:
2362 case MLXSW_REG_SFDAT_ID
:
2364 case MLXSW_REG_SFD_ID
:
2366 case MLXSW_REG_SFN_ID
:
2368 case MLXSW_REG_SPMS_ID
:
2370 case MLXSW_REG_SPVID_ID
:
2372 case MLXSW_REG_SPVM_ID
:
2374 case MLXSW_REG_SFGC_ID
:
2376 case MLXSW_REG_SFTR_ID
:
2378 case MLXSW_REG_SPMLR_ID
:
2380 case MLXSW_REG_SVFA_ID
:
2382 case MLXSW_REG_SVPE_ID
:
2384 case MLXSW_REG_SFMR_ID
:
2386 case MLXSW_REG_SPVMLR_ID
:
2388 case MLXSW_REG_PMLP_ID
:
2390 case MLXSW_REG_PMTU_ID
:
2392 case MLXSW_REG_PTYS_ID
:
2394 case MLXSW_REG_PPAD_ID
:
2396 case MLXSW_REG_PAOS_ID
:
2398 case MLXSW_REG_PPCNT_ID
:
2400 case MLXSW_REG_PBMC_ID
:
2402 case MLXSW_REG_PSPA_ID
:
2404 case MLXSW_REG_HTGT_ID
:
2406 case MLXSW_REG_HPKT_ID
:
2408 case MLXSW_REG_SBPR_ID
:
2410 case MLXSW_REG_SBCM_ID
:
2412 case MLXSW_REG_SBPM_ID
:
2414 case MLXSW_REG_SBMM_ID
:
2421 /* PUDE - Port Up / Down Event
2422 * ---------------------------
2423 * Reports the operational state change of a port.
2425 #define MLXSW_REG_PUDE_LEN 0x10
2428 * Switch partition ID with which to associate the port.
2431 MLXSW_ITEM32(reg
, pude
, swid
, 0x00, 24, 8);
2433 /* reg_pude_local_port
2434 * Local port number.
2437 MLXSW_ITEM32(reg
, pude
, local_port
, 0x00, 16, 8);
2439 /* reg_pude_admin_status
2440 * Port administrative state (the desired state).
2443 * 3 - Up once. This means that in case of link failure, the port won't go
2444 * into polling mode, but will wait to be re-enabled by software.
2445 * 4 - Disabled by system. Can only be set by hardware.
2448 MLXSW_ITEM32(reg
, pude
, admin_status
, 0x00, 8, 4);
2450 /* reg_pude_oper_status
2451 * Port operatioanl state.
2454 * 3 - Down by port failure. This means that the device will not let the
2455 * port up again until explicitly specified by software.
2458 MLXSW_ITEM32(reg
, pude
, oper_status
, 0x00, 0, 4);