2 * drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
3 * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
5 * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
6 * Copyright (c) 2015 Elad Raz <eladr@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.
37 #include <linux/kernel.h>
38 #include <linux/types.h>
39 #include <linux/netdevice.h>
40 #include <linux/etherdevice.h>
41 #include <linux/slab.h>
42 #include <linux/device.h>
43 #include <linux/skbuff.h>
44 #include <linux/if_vlan.h>
45 #include <linux/if_bridge.h>
46 #include <linux/workqueue.h>
47 #include <linux/jiffies.h>
48 #include <net/switchdev.h>
54 static int mlxsw_sp_port_attr_get(struct net_device
*dev
,
55 struct switchdev_attr
*attr
)
57 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
58 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
61 case SWITCHDEV_ATTR_ID_PORT_PARENT_ID
:
62 attr
->u
.ppid
.id_len
= sizeof(mlxsw_sp
->base_mac
);
63 memcpy(&attr
->u
.ppid
.id
, &mlxsw_sp
->base_mac
,
66 case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
:
67 attr
->u
.brport_flags
=
68 (mlxsw_sp_port
->learning
? BR_LEARNING
: 0) |
69 (mlxsw_sp_port
->learning_sync
? BR_LEARNING_SYNC
: 0) |
70 (mlxsw_sp_port
->uc_flood
? BR_FLOOD
: 0);
79 static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
82 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
83 enum mlxsw_reg_spms_state spms_state
;
89 case BR_STATE_DISABLED
: /* fall-through */
90 case BR_STATE_FORWARDING
:
91 spms_state
= MLXSW_REG_SPMS_STATE_FORWARDING
;
93 case BR_STATE_LISTENING
: /* fall-through */
94 case BR_STATE_LEARNING
:
95 spms_state
= MLXSW_REG_SPMS_STATE_LEARNING
;
97 case BR_STATE_BLOCKING
:
98 spms_state
= MLXSW_REG_SPMS_STATE_DISCARDING
;
104 spms_pl
= kmalloc(MLXSW_REG_SPMS_LEN
, GFP_KERNEL
);
107 mlxsw_reg_spms_pack(spms_pl
, mlxsw_sp_port
->local_port
);
108 for_each_set_bit(vid
, mlxsw_sp_port
->active_vlans
, VLAN_N_VID
)
109 mlxsw_reg_spms_vid_pack(spms_pl
, vid
, spms_state
);
111 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(spms
), spms_pl
);
116 static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
117 struct switchdev_trans
*trans
,
120 if (switchdev_trans_ph_prepare(trans
))
123 mlxsw_sp_port
->stp_state
= state
;
124 return mlxsw_sp_port_stp_state_set(mlxsw_sp_port
, state
);
127 static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
128 u16 fid_begin
, u16 fid_end
, bool set
,
131 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
132 u16 range
= fid_end
- fid_begin
+ 1;
136 sftr_pl
= kmalloc(MLXSW_REG_SFTR_LEN
, GFP_KERNEL
);
140 mlxsw_reg_sftr_pack(sftr_pl
, MLXSW_SP_FLOOD_TABLE_UC
, fid_begin
,
141 MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST
, range
,
142 mlxsw_sp_port
->local_port
, set
);
143 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sftr
), sftr_pl
);
147 /* Flooding control allows one to decide whether a given port will
148 * flood unicast traffic for which there is no FDB entry.
153 mlxsw_reg_sftr_pack(sftr_pl
, MLXSW_SP_FLOOD_TABLE_BM
, fid_begin
,
154 MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST
, range
,
155 mlxsw_sp_port
->local_port
, set
);
156 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sftr
), sftr_pl
);
163 static int mlxsw_sp_port_uc_flood_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
166 struct net_device
*dev
= mlxsw_sp_port
->dev
;
167 u16 vid
, last_visited_vid
;
170 for_each_set_bit(vid
, mlxsw_sp_port
->active_vlans
, VLAN_N_VID
) {
171 err
= __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vid
, vid
, set
,
174 last_visited_vid
= vid
;
175 goto err_port_flood_set
;
182 for_each_set_bit(vid
, mlxsw_sp_port
->active_vlans
, last_visited_vid
)
183 __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vid
, vid
, !set
, true);
184 netdev_err(dev
, "Failed to configure unicast flooding\n");
188 static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
189 struct switchdev_trans
*trans
,
190 unsigned long brport_flags
)
192 unsigned long uc_flood
= mlxsw_sp_port
->uc_flood
? BR_FLOOD
: 0;
196 if (switchdev_trans_ph_prepare(trans
))
199 if ((uc_flood
^ brport_flags
) & BR_FLOOD
) {
200 set
= mlxsw_sp_port
->uc_flood
? false : true;
201 err
= mlxsw_sp_port_uc_flood_set(mlxsw_sp_port
, set
);
206 mlxsw_sp_port
->uc_flood
= brport_flags
& BR_FLOOD
? 1 : 0;
207 mlxsw_sp_port
->learning
= brport_flags
& BR_LEARNING
? 1 : 0;
208 mlxsw_sp_port
->learning_sync
= brport_flags
& BR_LEARNING_SYNC
? 1 : 0;
213 static int mlxsw_sp_ageing_set(struct mlxsw_sp
*mlxsw_sp
, u32 ageing_time
)
215 char sfdat_pl
[MLXSW_REG_SFDAT_LEN
];
218 mlxsw_reg_sfdat_pack(sfdat_pl
, ageing_time
);
219 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sfdat
), sfdat_pl
);
222 mlxsw_sp
->ageing_time
= ageing_time
;
226 static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
227 struct switchdev_trans
*trans
,
228 unsigned long ageing_clock_t
)
230 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
231 unsigned long ageing_jiffies
= clock_t_to_jiffies(ageing_clock_t
);
232 u32 ageing_time
= jiffies_to_msecs(ageing_jiffies
) / 1000;
234 if (switchdev_trans_ph_prepare(trans
))
237 return mlxsw_sp_ageing_set(mlxsw_sp
, ageing_time
);
240 static int mlxsw_sp_port_attr_set(struct net_device
*dev
,
241 const struct switchdev_attr
*attr
,
242 struct switchdev_trans
*trans
)
244 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
248 case SWITCHDEV_ATTR_ID_PORT_STP_STATE
:
249 err
= mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port
, trans
,
252 case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
:
253 err
= mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port
, trans
,
254 attr
->u
.brport_flags
);
256 case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME
:
257 err
= mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port
, trans
,
258 attr
->u
.ageing_time
);
268 static int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port
*mlxsw_sp_port
, u16 vid
)
270 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
271 char spvid_pl
[MLXSW_REG_SPVID_LEN
];
273 mlxsw_reg_spvid_pack(spvid_pl
, mlxsw_sp_port
->local_port
, vid
);
274 return mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(spvid
), spvid_pl
);
277 static int mlxsw_sp_fid_create(struct mlxsw_sp
*mlxsw_sp
, u16 fid
)
279 char sfmr_pl
[MLXSW_REG_SFMR_LEN
];
282 mlxsw_reg_sfmr_pack(sfmr_pl
, MLXSW_REG_SFMR_OP_CREATE_FID
, fid
, fid
);
283 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sfmr
), sfmr_pl
);
288 set_bit(fid
, mlxsw_sp
->active_fids
);
292 static void mlxsw_sp_fid_destroy(struct mlxsw_sp
*mlxsw_sp
, u16 fid
)
294 char sfmr_pl
[MLXSW_REG_SFMR_LEN
];
296 clear_bit(fid
, mlxsw_sp
->active_fids
);
298 mlxsw_reg_sfmr_pack(sfmr_pl
, MLXSW_REG_SFMR_OP_DESTROY_FID
,
300 mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sfmr
), sfmr_pl
);
303 static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port
*mlxsw_sp_port
, u16 fid
)
305 enum mlxsw_reg_svfa_mt mt
;
307 if (mlxsw_sp_port
->nr_vfids
)
308 mt
= MLXSW_REG_SVFA_MT_PORT_VID_TO_FID
;
310 mt
= MLXSW_REG_SVFA_MT_VID_TO_FID
;
312 return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port
, mt
, true, fid
, fid
);
315 static int mlxsw_sp_port_fid_unmap(struct mlxsw_sp_port
*mlxsw_sp_port
, u16 fid
)
317 enum mlxsw_reg_svfa_mt mt
;
319 if (!mlxsw_sp_port
->nr_vfids
)
322 mt
= MLXSW_REG_SVFA_MT_PORT_VID_TO_FID
;
323 return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port
, mt
, false, fid
, fid
);
326 static int mlxsw_sp_port_add_vids(struct net_device
*dev
, u16 vid_begin
,
332 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
333 err
= mlxsw_sp_port_add_vid(dev
, 0, vid
);
335 goto err_port_add_vid
;
340 for (vid
--; vid
>= vid_begin
; vid
--)
341 mlxsw_sp_port_kill_vid(dev
, 0, vid
);
345 static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port
*mlxsw_sp_port
,
346 u16 vid_begin
, u16 vid_end
,
347 bool flag_untagged
, bool flag_pvid
)
349 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
350 struct net_device
*dev
= mlxsw_sp_port
->dev
;
351 enum mlxsw_reg_svfa_mt mt
;
355 /* In case this is invoked with BRIDGE_FLAGS_SELF and port is
356 * not bridged, then packets ingressing through the port with
357 * the specified VIDs will be directed to CPU.
359 if (!mlxsw_sp_port
->bridged
)
360 return mlxsw_sp_port_add_vids(dev
, vid_begin
, vid_end
);
362 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
363 if (!test_bit(vid
, mlxsw_sp
->active_fids
)) {
364 err
= mlxsw_sp_fid_create(mlxsw_sp
, vid
);
366 netdev_err(dev
, "Failed to create FID=%d\n",
371 /* When creating a FID, we set a VID to FID mapping
372 * regardless of the port's mode.
374 mt
= MLXSW_REG_SVFA_MT_VID_TO_FID
;
375 err
= mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port
, mt
,
378 netdev_err(dev
, "Failed to create FID=VID=%d mapping\n",
384 /* Set FID mapping according to port's mode */
385 err
= mlxsw_sp_port_fid_map(mlxsw_sp_port
, vid
);
387 netdev_err(dev
, "Failed to map FID=%d", vid
);
392 err
= __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vid_begin
, vid_end
,
395 netdev_err(dev
, "Failed to configure flooding\n");
399 for (vid
= vid_begin
; vid
<= vid_end
;
400 vid
+= MLXSW_REG_SPVM_REC_MAX_COUNT
) {
401 vid_e
= min((u16
) (vid
+ MLXSW_REG_SPVM_REC_MAX_COUNT
- 1),
404 err
= mlxsw_sp_port_vlan_set(mlxsw_sp_port
, vid
, vid_e
, true,
407 netdev_err(mlxsw_sp_port
->dev
, "Unable to add VIDs %d-%d\n",
414 if (flag_pvid
&& mlxsw_sp_port
->pvid
!= vid
) {
415 err
= mlxsw_sp_port_pvid_set(mlxsw_sp_port
, vid
);
417 netdev_err(mlxsw_sp_port
->dev
, "Unable to add PVID %d\n",
421 mlxsw_sp_port
->pvid
= vid
;
424 /* Changing activity bits only if HW operation succeded */
425 for (vid
= vid_begin
; vid
<= vid_end
; vid
++)
426 set_bit(vid
, mlxsw_sp_port
->active_vlans
);
428 return mlxsw_sp_port_stp_state_set(mlxsw_sp_port
,
429 mlxsw_sp_port
->stp_state
);
432 static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port
*mlxsw_sp_port
,
433 const struct switchdev_obj_port_vlan
*vlan
,
434 struct switchdev_trans
*trans
)
436 bool untagged_flag
= vlan
->flags
& BRIDGE_VLAN_INFO_UNTAGGED
;
437 bool pvid_flag
= vlan
->flags
& BRIDGE_VLAN_INFO_PVID
;
439 if (switchdev_trans_ph_prepare(trans
))
442 return __mlxsw_sp_port_vlans_add(mlxsw_sp_port
,
443 vlan
->vid_begin
, vlan
->vid_end
,
444 untagged_flag
, pvid_flag
);
447 static int mlxsw_sp_port_fdb_op(struct mlxsw_sp_port
*mlxsw_sp_port
,
448 const char *mac
, u16 vid
, bool adding
,
451 enum mlxsw_reg_sfd_rec_policy policy
;
452 enum mlxsw_reg_sfd_op op
;
457 vid
= mlxsw_sp_port
->pvid
;
459 sfd_pl
= kmalloc(MLXSW_REG_SFD_LEN
, GFP_KERNEL
);
463 policy
= dynamic
? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS
:
464 MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY
;
465 op
= adding
? MLXSW_REG_SFD_OP_WRITE_EDIT
:
466 MLXSW_REG_SFD_OP_WRITE_REMOVE
;
467 mlxsw_reg_sfd_pack(sfd_pl
, op
, 0);
468 mlxsw_reg_sfd_uc_pack(sfd_pl
, 0, policy
,
469 mac
, vid
, MLXSW_REG_SFD_REC_ACTION_NOP
,
470 mlxsw_sp_port
->local_port
);
471 err
= mlxsw_reg_write(mlxsw_sp_port
->mlxsw_sp
->core
, MLXSW_REG(sfd
),
479 mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port
*mlxsw_sp_port
,
480 const struct switchdev_obj_port_fdb
*fdb
,
481 struct switchdev_trans
*trans
)
483 if (switchdev_trans_ph_prepare(trans
))
486 return mlxsw_sp_port_fdb_op(mlxsw_sp_port
, fdb
->addr
, fdb
->vid
,
490 static int mlxsw_sp_port_obj_add(struct net_device
*dev
,
491 const struct switchdev_obj
*obj
,
492 struct switchdev_trans
*trans
)
494 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
498 case SWITCHDEV_OBJ_ID_PORT_VLAN
:
499 err
= mlxsw_sp_port_vlans_add(mlxsw_sp_port
,
500 SWITCHDEV_OBJ_PORT_VLAN(obj
),
503 case SWITCHDEV_OBJ_ID_PORT_FDB
:
504 err
= mlxsw_sp_port_fdb_static_add(mlxsw_sp_port
,
505 SWITCHDEV_OBJ_PORT_FDB(obj
),
516 static int mlxsw_sp_port_kill_vids(struct net_device
*dev
, u16 vid_begin
,
522 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
523 err
= mlxsw_sp_port_kill_vid(dev
, 0, vid
);
531 static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port
*mlxsw_sp_port
,
532 u16 vid_begin
, u16 vid_end
, bool init
)
534 struct net_device
*dev
= mlxsw_sp_port
->dev
;
538 /* In case this is invoked with BRIDGE_FLAGS_SELF and port is
539 * not bridged, then prevent packets ingressing through the
540 * port with the specified VIDs from being trapped to CPU.
542 if (!init
&& !mlxsw_sp_port
->bridged
)
543 return mlxsw_sp_port_kill_vids(dev
, vid_begin
, vid_end
);
545 for (vid
= vid_begin
; vid
<= vid_end
;
546 vid
+= MLXSW_REG_SPVM_REC_MAX_COUNT
) {
547 vid_e
= min((u16
) (vid
+ MLXSW_REG_SPVM_REC_MAX_COUNT
- 1),
549 err
= mlxsw_sp_port_vlan_set(mlxsw_sp_port
, vid
, vid_e
, false,
552 netdev_err(mlxsw_sp_port
->dev
, "Unable to del VIDs %d-%d\n",
558 if ((mlxsw_sp_port
->pvid
>= vid_begin
) &&
559 (mlxsw_sp_port
->pvid
<= vid_end
)) {
560 /* Default VLAN is always 1 */
561 mlxsw_sp_port
->pvid
= 1;
562 err
= mlxsw_sp_port_pvid_set(mlxsw_sp_port
,
563 mlxsw_sp_port
->pvid
);
565 netdev_err(mlxsw_sp_port
->dev
, "Unable to del PVID %d\n",
574 err
= __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vid_begin
, vid_end
,
577 netdev_err(dev
, "Failed to clear flooding\n");
581 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
582 /* Remove FID mapping in case of Virtual mode */
583 err
= mlxsw_sp_port_fid_unmap(mlxsw_sp_port
, vid
);
585 netdev_err(dev
, "Failed to unmap FID=%d", vid
);
591 /* Changing activity bits only if HW operation succeded */
592 for (vid
= vid_begin
; vid
<= vid_end
; vid
++)
593 clear_bit(vid
, mlxsw_sp_port
->active_vlans
);
598 static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port
*mlxsw_sp_port
,
599 const struct switchdev_obj_port_vlan
*vlan
)
601 return __mlxsw_sp_port_vlans_del(mlxsw_sp_port
,
602 vlan
->vid_begin
, vlan
->vid_end
, false);
606 mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port
*mlxsw_sp_port
,
607 const struct switchdev_obj_port_fdb
*fdb
)
609 return mlxsw_sp_port_fdb_op(mlxsw_sp_port
, fdb
->addr
, fdb
->vid
,
613 static int mlxsw_sp_port_obj_del(struct net_device
*dev
,
614 const struct switchdev_obj
*obj
)
616 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
620 case SWITCHDEV_OBJ_ID_PORT_VLAN
:
621 err
= mlxsw_sp_port_vlans_del(mlxsw_sp_port
,
622 SWITCHDEV_OBJ_PORT_VLAN(obj
));
624 case SWITCHDEV_OBJ_ID_PORT_FDB
:
625 err
= mlxsw_sp_port_fdb_static_del(mlxsw_sp_port
,
626 SWITCHDEV_OBJ_PORT_FDB(obj
));
636 static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port
*mlxsw_sp_port
,
637 struct switchdev_obj_port_fdb
*fdb
,
638 switchdev_obj_dump_cb_t
*cb
)
649 sfd_pl
= kmalloc(MLXSW_REG_SFD_LEN
, GFP_KERNEL
);
653 mlxsw_reg_sfd_pack(sfd_pl
, MLXSW_REG_SFD_OP_QUERY_DUMP
, 0);
655 mlxsw_reg_sfd_num_rec_set(sfd_pl
, MLXSW_REG_SFD_REC_MAX_COUNT
);
656 err
= mlxsw_reg_query(mlxsw_sp_port
->mlxsw_sp
->core
,
657 MLXSW_REG(sfd
), sfd_pl
);
661 num_rec
= mlxsw_reg_sfd_num_rec_get(sfd_pl
);
663 /* Even in case of error, we have to run the dump to the end
664 * so the session in firmware is finished.
669 for (i
= 0; i
< num_rec
; i
++) {
670 switch (mlxsw_reg_sfd_rec_type_get(sfd_pl
, i
)) {
671 case MLXSW_REG_SFD_REC_TYPE_UNICAST
:
672 mlxsw_reg_sfd_uc_unpack(sfd_pl
, i
, mac
, &vid
,
674 if (local_port
== mlxsw_sp_port
->local_port
) {
675 ether_addr_copy(fdb
->addr
, mac
);
676 fdb
->ndm_state
= NUD_REACHABLE
;
684 } while (num_rec
== MLXSW_REG_SFD_REC_MAX_COUNT
);
688 return stored_err
? stored_err
: err
;
691 static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port
*mlxsw_sp_port
,
692 struct switchdev_obj_port_vlan
*vlan
,
693 switchdev_obj_dump_cb_t
*cb
)
698 for_each_set_bit(vid
, mlxsw_sp_port
->active_vlans
, VLAN_N_VID
) {
700 if (vid
== mlxsw_sp_port
->pvid
)
701 vlan
->flags
|= BRIDGE_VLAN_INFO_PVID
;
702 vlan
->vid_begin
= vid
;
704 err
= cb(&vlan
->obj
);
711 static int mlxsw_sp_port_obj_dump(struct net_device
*dev
,
712 struct switchdev_obj
*obj
,
713 switchdev_obj_dump_cb_t
*cb
)
715 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
719 case SWITCHDEV_OBJ_ID_PORT_VLAN
:
720 err
= mlxsw_sp_port_vlan_dump(mlxsw_sp_port
,
721 SWITCHDEV_OBJ_PORT_VLAN(obj
), cb
);
723 case SWITCHDEV_OBJ_ID_PORT_FDB
:
724 err
= mlxsw_sp_port_fdb_dump(mlxsw_sp_port
,
725 SWITCHDEV_OBJ_PORT_FDB(obj
), cb
);
735 static const struct switchdev_ops mlxsw_sp_port_switchdev_ops
= {
736 .switchdev_port_attr_get
= mlxsw_sp_port_attr_get
,
737 .switchdev_port_attr_set
= mlxsw_sp_port_attr_set
,
738 .switchdev_port_obj_add
= mlxsw_sp_port_obj_add
,
739 .switchdev_port_obj_del
= mlxsw_sp_port_obj_del
,
740 .switchdev_port_obj_dump
= mlxsw_sp_port_obj_dump
,
743 static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp
*mlxsw_sp
,
744 char *sfn_pl
, int rec_index
,
747 struct mlxsw_sp_port
*mlxsw_sp_port
;
753 mlxsw_reg_sfn_mac_unpack(sfn_pl
, rec_index
, mac
, &vid
, &local_port
);
754 mlxsw_sp_port
= mlxsw_sp
->ports
[local_port
];
755 if (!mlxsw_sp_port
) {
756 dev_err_ratelimited(mlxsw_sp
->bus_info
->dev
, "Incorrect local port in FDB notification\n");
760 err
= mlxsw_sp_port_fdb_op(mlxsw_sp_port
, mac
, vid
,
761 adding
&& mlxsw_sp_port
->learning
, true);
764 netdev_err(mlxsw_sp_port
->dev
, "Failed to set FDB entry\n");
768 if (mlxsw_sp_port
->learning
&& mlxsw_sp_port
->learning_sync
) {
769 struct switchdev_notifier_fdb_info info
;
770 unsigned long notifier_type
;
774 notifier_type
= adding
? SWITCHDEV_FDB_ADD
: SWITCHDEV_FDB_DEL
;
775 call_switchdev_notifiers(notifier_type
, mlxsw_sp_port
->dev
,
780 static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp
*mlxsw_sp
,
781 char *sfn_pl
, int rec_index
)
783 switch (mlxsw_reg_sfn_rec_type_get(sfn_pl
, rec_index
)) {
784 case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC
:
785 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp
, sfn_pl
,
788 case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC
:
789 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp
, sfn_pl
,
795 static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp
*mlxsw_sp
)
797 schedule_delayed_work(&mlxsw_sp
->fdb_notify
.dw
,
798 msecs_to_jiffies(mlxsw_sp
->fdb_notify
.interval
));
801 static void mlxsw_sp_fdb_notify_work(struct work_struct
*work
)
803 struct mlxsw_sp
*mlxsw_sp
;
809 sfn_pl
= kmalloc(MLXSW_REG_SFN_LEN
, GFP_KERNEL
);
813 mlxsw_sp
= container_of(work
, struct mlxsw_sp
, fdb_notify
.dw
.work
);
816 mlxsw_reg_sfn_pack(sfn_pl
);
817 err
= mlxsw_reg_query(mlxsw_sp
->core
, MLXSW_REG(sfn
), sfn_pl
);
819 dev_err_ratelimited(mlxsw_sp
->bus_info
->dev
, "Failed to get FDB notifications\n");
822 num_rec
= mlxsw_reg_sfn_num_rec_get(sfn_pl
);
823 for (i
= 0; i
< num_rec
; i
++)
824 mlxsw_sp_fdb_notify_rec_process(mlxsw_sp
, sfn_pl
, i
);
829 mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp
);
832 static int mlxsw_sp_fdb_init(struct mlxsw_sp
*mlxsw_sp
)
836 err
= mlxsw_sp_ageing_set(mlxsw_sp
, MLXSW_SP_DEFAULT_AGEING_TIME
);
838 dev_err(mlxsw_sp
->bus_info
->dev
, "Failed to set default ageing time\n");
841 INIT_DELAYED_WORK(&mlxsw_sp
->fdb_notify
.dw
, mlxsw_sp_fdb_notify_work
);
842 mlxsw_sp
->fdb_notify
.interval
= MLXSW_SP_DEFAULT_LEARNING_INTERVAL
;
843 mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp
);
847 static void mlxsw_sp_fdb_fini(struct mlxsw_sp
*mlxsw_sp
)
849 cancel_delayed_work_sync(&mlxsw_sp
->fdb_notify
.dw
);
852 static void mlxsw_sp_fids_fini(struct mlxsw_sp
*mlxsw_sp
)
856 for_each_set_bit(fid
, mlxsw_sp
->active_fids
, VLAN_N_VID
)
857 mlxsw_sp_fid_destroy(mlxsw_sp
, fid
);
860 int mlxsw_sp_switchdev_init(struct mlxsw_sp
*mlxsw_sp
)
862 return mlxsw_sp_fdb_init(mlxsw_sp
);
865 void mlxsw_sp_switchdev_fini(struct mlxsw_sp
*mlxsw_sp
)
867 mlxsw_sp_fdb_fini(mlxsw_sp
);
868 mlxsw_sp_fids_fini(mlxsw_sp
);
871 int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port
*mlxsw_sp_port
)
873 struct net_device
*dev
= mlxsw_sp_port
->dev
;
876 /* Allow only untagged packets to ingress and tag them internally
879 mlxsw_sp_port
->pvid
= 1;
880 err
= __mlxsw_sp_port_vlans_del(mlxsw_sp_port
, 0, VLAN_N_VID
, true);
882 netdev_err(dev
, "Unable to init VLANs\n");
886 /* Add implicit VLAN interface in the device, so that untagged
887 * packets will be classified to the default vFID.
889 err
= mlxsw_sp_port_add_vid(dev
, 0, 1);
891 netdev_err(dev
, "Failed to configure default vFID\n");
896 void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port
*mlxsw_sp_port
)
898 mlxsw_sp_port
->dev
->switchdev_ops
= &mlxsw_sp_port_switchdev_ops
;
901 void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port
*mlxsw_sp_port
)