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 <linux/rtnetlink.h>
49 #include <net/switchdev.h>
55 static u16
mlxsw_sp_port_vid_to_fid_get(struct mlxsw_sp_port
*mlxsw_sp_port
,
60 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
)) {
61 u16 vfid
= mlxsw_sp_vport_vfid_get(mlxsw_sp_port
);
63 fid
= mlxsw_sp_vfid_to_fid(vfid
);
67 fid
= mlxsw_sp_port
->pvid
;
72 static struct mlxsw_sp_port
*
73 mlxsw_sp_port_orig_get(struct net_device
*dev
,
74 struct mlxsw_sp_port
*mlxsw_sp_port
)
76 struct mlxsw_sp_port
*mlxsw_sp_vport
;
79 if (!is_vlan_dev(dev
))
82 vid
= vlan_dev_vlan_id(dev
);
83 mlxsw_sp_vport
= mlxsw_sp_port_vport_find(mlxsw_sp_port
, vid
);
84 WARN_ON(!mlxsw_sp_vport
);
86 return mlxsw_sp_vport
;
89 static int mlxsw_sp_port_attr_get(struct net_device
*dev
,
90 struct switchdev_attr
*attr
)
92 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
93 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
95 mlxsw_sp_port
= mlxsw_sp_port_orig_get(attr
->orig_dev
, mlxsw_sp_port
);
100 case SWITCHDEV_ATTR_ID_PORT_PARENT_ID
:
101 attr
->u
.ppid
.id_len
= sizeof(mlxsw_sp
->base_mac
);
102 memcpy(&attr
->u
.ppid
.id
, &mlxsw_sp
->base_mac
,
103 attr
->u
.ppid
.id_len
);
105 case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
:
106 attr
->u
.brport_flags
=
107 (mlxsw_sp_port
->learning
? BR_LEARNING
: 0) |
108 (mlxsw_sp_port
->learning_sync
? BR_LEARNING_SYNC
: 0) |
109 (mlxsw_sp_port
->uc_flood
? BR_FLOOD
: 0);
118 static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
121 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
122 enum mlxsw_reg_spms_state spms_state
;
128 case BR_STATE_FORWARDING
:
129 spms_state
= MLXSW_REG_SPMS_STATE_FORWARDING
;
131 case BR_STATE_LEARNING
:
132 spms_state
= MLXSW_REG_SPMS_STATE_LEARNING
;
134 case BR_STATE_LISTENING
: /* fall-through */
135 case BR_STATE_DISABLED
: /* fall-through */
136 case BR_STATE_BLOCKING
:
137 spms_state
= MLXSW_REG_SPMS_STATE_DISCARDING
;
143 spms_pl
= kmalloc(MLXSW_REG_SPMS_LEN
, GFP_KERNEL
);
146 mlxsw_reg_spms_pack(spms_pl
, mlxsw_sp_port
->local_port
);
148 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
)) {
149 vid
= mlxsw_sp_vport_vid_get(mlxsw_sp_port
);
150 mlxsw_reg_spms_vid_pack(spms_pl
, vid
, spms_state
);
152 for_each_set_bit(vid
, mlxsw_sp_port
->active_vlans
, VLAN_N_VID
)
153 mlxsw_reg_spms_vid_pack(spms_pl
, vid
, spms_state
);
156 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(spms
), spms_pl
);
161 static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
162 struct switchdev_trans
*trans
,
165 if (switchdev_trans_ph_prepare(trans
))
168 mlxsw_sp_port
->stp_state
= state
;
169 return mlxsw_sp_port_stp_state_set(mlxsw_sp_port
, state
);
172 static bool mlxsw_sp_vfid_is_vport_br(u16 vfid
)
174 return vfid
>= MLXSW_SP_VFID_PORT_MAX
;
177 static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
178 u16 idx_begin
, u16 idx_end
, bool set
,
181 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
182 u16 local_port
= mlxsw_sp_port
->local_port
;
183 enum mlxsw_flood_table_type table_type
;
184 u16 range
= idx_end
- idx_begin
+ 1;
188 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
)) {
189 table_type
= MLXSW_REG_SFGC_TABLE_TYPE_FID
;
190 if (mlxsw_sp_vfid_is_vport_br(idx_begin
))
191 local_port
= mlxsw_sp_port
->local_port
;
193 local_port
= MLXSW_PORT_CPU_PORT
;
195 table_type
= MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST
;
198 sftr_pl
= kmalloc(MLXSW_REG_SFTR_LEN
, GFP_KERNEL
);
202 mlxsw_reg_sftr_pack(sftr_pl
, MLXSW_SP_FLOOD_TABLE_UC
, idx_begin
,
203 table_type
, range
, local_port
, set
);
204 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sftr
), sftr_pl
);
208 /* Flooding control allows one to decide whether a given port will
209 * flood unicast traffic for which there is no FDB entry.
214 mlxsw_reg_sftr_pack(sftr_pl
, MLXSW_SP_FLOOD_TABLE_BM
, idx_begin
,
215 table_type
, range
, local_port
, set
);
216 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sftr
), sftr_pl
);
223 static int mlxsw_sp_port_uc_flood_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
226 struct net_device
*dev
= mlxsw_sp_port
->dev
;
227 u16 vid
, last_visited_vid
;
230 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
)) {
231 u16 vfid
= mlxsw_sp_vport_vfid_get(mlxsw_sp_port
);
233 return __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vfid
, vfid
,
237 for_each_set_bit(vid
, mlxsw_sp_port
->active_vlans
, VLAN_N_VID
) {
238 err
= __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vid
, vid
, set
,
241 last_visited_vid
= vid
;
242 goto err_port_flood_set
;
249 for_each_set_bit(vid
, mlxsw_sp_port
->active_vlans
, last_visited_vid
)
250 __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vid
, vid
, !set
, true);
251 netdev_err(dev
, "Failed to configure unicast flooding\n");
255 int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port
*mlxsw_sp_vport
, u16 vfid
,
256 bool set
, bool only_uc
)
258 /* In case of vFIDs, index into the flooding table is relative to
259 * the start of the vFIDs range.
261 return __mlxsw_sp_port_flood_set(mlxsw_sp_vport
, vfid
, vfid
, set
,
265 static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
266 struct switchdev_trans
*trans
,
267 unsigned long brport_flags
)
269 unsigned long uc_flood
= mlxsw_sp_port
->uc_flood
? BR_FLOOD
: 0;
273 if (!mlxsw_sp_port
->bridged
)
276 if (switchdev_trans_ph_prepare(trans
))
279 if ((uc_flood
^ brport_flags
) & BR_FLOOD
) {
280 set
= mlxsw_sp_port
->uc_flood
? false : true;
281 err
= mlxsw_sp_port_uc_flood_set(mlxsw_sp_port
, set
);
286 mlxsw_sp_port
->uc_flood
= brport_flags
& BR_FLOOD
? 1 : 0;
287 mlxsw_sp_port
->learning
= brport_flags
& BR_LEARNING
? 1 : 0;
288 mlxsw_sp_port
->learning_sync
= brport_flags
& BR_LEARNING_SYNC
? 1 : 0;
293 static int mlxsw_sp_ageing_set(struct mlxsw_sp
*mlxsw_sp
, u32 ageing_time
)
295 char sfdat_pl
[MLXSW_REG_SFDAT_LEN
];
298 mlxsw_reg_sfdat_pack(sfdat_pl
, ageing_time
);
299 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sfdat
), sfdat_pl
);
302 mlxsw_sp
->ageing_time
= ageing_time
;
306 static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
307 struct switchdev_trans
*trans
,
308 unsigned long ageing_clock_t
)
310 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
311 unsigned long ageing_jiffies
= clock_t_to_jiffies(ageing_clock_t
);
312 u32 ageing_time
= jiffies_to_msecs(ageing_jiffies
) / 1000;
314 if (switchdev_trans_ph_prepare(trans
)) {
315 if (ageing_time
< MLXSW_SP_MIN_AGEING_TIME
||
316 ageing_time
> MLXSW_SP_MAX_AGEING_TIME
)
322 return mlxsw_sp_ageing_set(mlxsw_sp
, ageing_time
);
325 static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
326 struct switchdev_trans
*trans
,
327 struct net_device
*orig_dev
,
330 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
332 /* SWITCHDEV_TRANS_PREPARE phase */
333 if ((!vlan_enabled
) && (mlxsw_sp
->master_bridge
.dev
== orig_dev
)) {
334 netdev_err(mlxsw_sp_port
->dev
, "Bridge must be vlan-aware\n");
341 static int mlxsw_sp_port_attr_set(struct net_device
*dev
,
342 const struct switchdev_attr
*attr
,
343 struct switchdev_trans
*trans
)
345 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
348 mlxsw_sp_port
= mlxsw_sp_port_orig_get(attr
->orig_dev
, mlxsw_sp_port
);
353 case SWITCHDEV_ATTR_ID_PORT_STP_STATE
:
354 err
= mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port
, trans
,
357 case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
:
358 err
= mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port
, trans
,
359 attr
->u
.brport_flags
);
361 case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME
:
362 err
= mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port
, trans
,
363 attr
->u
.ageing_time
);
365 case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING
:
366 err
= mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port
, trans
,
368 attr
->u
.vlan_filtering
);
378 static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
381 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
382 char spvid_pl
[MLXSW_REG_SPVID_LEN
];
384 mlxsw_reg_spvid_pack(spvid_pl
, mlxsw_sp_port
->local_port
, vid
);
385 return mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(spvid
), spvid_pl
);
388 static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
391 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
392 char spaft_pl
[MLXSW_REG_SPAFT_LEN
];
394 mlxsw_reg_spaft_pack(spaft_pl
, mlxsw_sp_port
->local_port
, allow
);
395 return mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(spaft
), spaft_pl
);
398 int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port
*mlxsw_sp_port
, u16 vid
)
400 struct net_device
*dev
= mlxsw_sp_port
->dev
;
404 err
= mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port
, false);
406 netdev_err(dev
, "Failed to disallow untagged traffic\n");
410 err
= __mlxsw_sp_port_pvid_set(mlxsw_sp_port
, vid
);
412 netdev_err(dev
, "Failed to set PVID\n");
416 /* Only allow if not already allowed. */
417 if (!mlxsw_sp_port
->pvid
) {
418 err
= mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port
,
421 netdev_err(dev
, "Failed to allow untagged traffic\n");
422 goto err_port_allow_untagged_set
;
427 mlxsw_sp_port
->pvid
= vid
;
430 err_port_allow_untagged_set
:
431 __mlxsw_sp_port_pvid_set(mlxsw_sp_port
, mlxsw_sp_port
->pvid
);
435 static int mlxsw_sp_fid_create(struct mlxsw_sp
*mlxsw_sp
, u16 fid
)
437 char sfmr_pl
[MLXSW_REG_SFMR_LEN
];
440 mlxsw_reg_sfmr_pack(sfmr_pl
, MLXSW_REG_SFMR_OP_CREATE_FID
, fid
, fid
);
441 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sfmr
), sfmr_pl
);
446 set_bit(fid
, mlxsw_sp
->active_fids
);
450 static void mlxsw_sp_fid_destroy(struct mlxsw_sp
*mlxsw_sp
, u16 fid
)
452 char sfmr_pl
[MLXSW_REG_SFMR_LEN
];
454 clear_bit(fid
, mlxsw_sp
->active_fids
);
456 mlxsw_reg_sfmr_pack(sfmr_pl
, MLXSW_REG_SFMR_OP_DESTROY_FID
,
458 mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sfmr
), sfmr_pl
);
461 static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port
*mlxsw_sp_port
, u16 fid
)
463 enum mlxsw_reg_svfa_mt mt
;
465 if (!list_empty(&mlxsw_sp_port
->vports_list
))
466 mt
= MLXSW_REG_SVFA_MT_PORT_VID_TO_FID
;
468 mt
= MLXSW_REG_SVFA_MT_VID_TO_FID
;
470 return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port
, mt
, true, fid
, fid
);
473 static int mlxsw_sp_port_fid_unmap(struct mlxsw_sp_port
*mlxsw_sp_port
, u16 fid
)
475 enum mlxsw_reg_svfa_mt mt
;
477 if (list_empty(&mlxsw_sp_port
->vports_list
))
480 mt
= MLXSW_REG_SVFA_MT_PORT_VID_TO_FID
;
481 return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port
, mt
, false, fid
, fid
);
484 static int mlxsw_sp_port_add_vids(struct net_device
*dev
, u16 vid_begin
,
490 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
491 err
= mlxsw_sp_port_add_vid(dev
, 0, vid
);
493 goto err_port_add_vid
;
498 for (vid
--; vid
>= vid_begin
; vid
--)
499 mlxsw_sp_port_kill_vid(dev
, 0, vid
);
503 static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port
*mlxsw_sp_port
,
504 u16 vid_begin
, u16 vid_end
, bool is_member
,
510 for (vid
= vid_begin
; vid
<= vid_end
;
511 vid
+= MLXSW_REG_SPVM_REC_MAX_COUNT
) {
512 vid_e
= min((u16
) (vid
+ MLXSW_REG_SPVM_REC_MAX_COUNT
- 1),
515 err
= mlxsw_sp_port_vlan_set(mlxsw_sp_port
, vid
, vid_e
,
516 is_member
, untagged
);
524 static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port
*mlxsw_sp_port
,
525 u16 vid_begin
, u16 vid_end
,
526 bool flag_untagged
, bool flag_pvid
)
528 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
529 struct net_device
*dev
= mlxsw_sp_port
->dev
;
530 u16 vid
, last_visited_vid
, old_pvid
;
531 enum mlxsw_reg_svfa_mt mt
;
534 /* In case this is invoked with BRIDGE_FLAGS_SELF and port is
535 * not bridged, then packets ingressing through the port with
536 * the specified VIDs will be directed to CPU.
538 if (!mlxsw_sp_port
->bridged
)
539 return mlxsw_sp_port_add_vids(dev
, vid_begin
, vid_end
);
541 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
542 if (!test_bit(vid
, mlxsw_sp
->active_fids
)) {
543 err
= mlxsw_sp_fid_create(mlxsw_sp
, vid
);
545 netdev_err(dev
, "Failed to create FID=%d\n",
550 /* When creating a FID, we set a VID to FID mapping
551 * regardless of the port's mode.
553 mt
= MLXSW_REG_SVFA_MT_VID_TO_FID
;
554 err
= mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port
, mt
,
557 netdev_err(dev
, "Failed to create FID=VID=%d mapping\n",
559 goto err_port_vid_to_fid_set
;
564 /* Set FID mapping according to port's mode */
565 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
566 err
= mlxsw_sp_port_fid_map(mlxsw_sp_port
, vid
);
568 netdev_err(dev
, "Failed to map FID=%d", vid
);
569 last_visited_vid
= --vid
;
570 goto err_port_fid_map
;
574 err
= __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vid_begin
, vid_end
,
577 netdev_err(dev
, "Failed to configure flooding\n");
578 goto err_port_flood_set
;
581 err
= __mlxsw_sp_port_vlans_set(mlxsw_sp_port
, vid_begin
, vid_end
,
582 true, flag_untagged
);
584 netdev_err(dev
, "Unable to add VIDs %d-%d\n", vid_begin
,
586 goto err_port_vlans_set
;
589 old_pvid
= mlxsw_sp_port
->pvid
;
590 if (flag_pvid
&& old_pvid
!= vid_begin
) {
591 err
= mlxsw_sp_port_pvid_set(mlxsw_sp_port
, vid_begin
);
593 netdev_err(dev
, "Unable to add PVID %d\n", vid_begin
);
594 goto err_port_pvid_set
;
596 } else if (!flag_pvid
&& old_pvid
>= vid_begin
&& old_pvid
<= vid_end
) {
597 err
= mlxsw_sp_port_pvid_set(mlxsw_sp_port
, 0);
599 netdev_err(dev
, "Unable to del PVID\n");
600 goto err_port_pvid_set
;
604 /* Changing activity bits only if HW operation succeded */
605 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
606 set_bit(vid
, mlxsw_sp_port
->active_vlans
);
608 set_bit(vid
, mlxsw_sp_port
->untagged_vlans
);
610 clear_bit(vid
, mlxsw_sp_port
->untagged_vlans
);
613 /* STP state change must be done after we set active VLANs */
614 err
= mlxsw_sp_port_stp_state_set(mlxsw_sp_port
,
615 mlxsw_sp_port
->stp_state
);
617 netdev_err(dev
, "Failed to set STP state\n");
618 goto err_port_stp_state_set
;
623 err_port_vid_to_fid_set
:
624 mlxsw_sp_fid_destroy(mlxsw_sp
, vid
);
627 err_port_stp_state_set
:
628 for (vid
= vid_begin
; vid
<= vid_end
; vid
++)
629 clear_bit(vid
, mlxsw_sp_port
->active_vlans
);
630 if (old_pvid
!= mlxsw_sp_port
->pvid
)
631 mlxsw_sp_port_pvid_set(mlxsw_sp_port
, old_pvid
);
633 __mlxsw_sp_port_vlans_set(mlxsw_sp_port
, vid_begin
, vid_end
, false,
636 __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vid_begin
, vid_end
, false,
639 last_visited_vid
= vid_end
;
641 for (vid
= last_visited_vid
; vid
>= vid_begin
; vid
--)
642 mlxsw_sp_port_fid_unmap(mlxsw_sp_port
, vid
);
646 static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port
*mlxsw_sp_port
,
647 const struct switchdev_obj_port_vlan
*vlan
,
648 struct switchdev_trans
*trans
)
650 bool flag_untagged
= vlan
->flags
& BRIDGE_VLAN_INFO_UNTAGGED
;
651 bool flag_pvid
= vlan
->flags
& BRIDGE_VLAN_INFO_PVID
;
653 if (switchdev_trans_ph_prepare(trans
))
656 return __mlxsw_sp_port_vlans_add(mlxsw_sp_port
,
657 vlan
->vid_begin
, vlan
->vid_end
,
658 flag_untagged
, flag_pvid
);
661 static enum mlxsw_reg_sfd_rec_policy
mlxsw_sp_sfd_rec_policy(bool dynamic
)
663 return dynamic
? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS
:
664 MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY
;
667 static enum mlxsw_reg_sfd_op
mlxsw_sp_sfd_op(bool adding
)
669 return adding
? MLXSW_REG_SFD_OP_WRITE_EDIT
:
670 MLXSW_REG_SFD_OP_WRITE_REMOVE
;
673 static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp
*mlxsw_sp
, u8 local_port
,
674 const char *mac
, u16 fid
, bool adding
,
680 sfd_pl
= kmalloc(MLXSW_REG_SFD_LEN
, GFP_KERNEL
);
684 mlxsw_reg_sfd_pack(sfd_pl
, mlxsw_sp_sfd_op(adding
), 0);
685 mlxsw_reg_sfd_uc_pack(sfd_pl
, 0, mlxsw_sp_sfd_rec_policy(dynamic
),
686 mac
, fid
, MLXSW_REG_SFD_REC_ACTION_NOP
,
688 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sfd
), sfd_pl
);
694 static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp
*mlxsw_sp
, u16 lag_id
,
695 const char *mac
, u16 fid
, u16 lag_vid
,
696 bool adding
, bool dynamic
)
701 sfd_pl
= kmalloc(MLXSW_REG_SFD_LEN
, GFP_KERNEL
);
705 mlxsw_reg_sfd_pack(sfd_pl
, mlxsw_sp_sfd_op(adding
), 0);
706 mlxsw_reg_sfd_uc_lag_pack(sfd_pl
, 0, mlxsw_sp_sfd_rec_policy(dynamic
),
707 mac
, fid
, MLXSW_REG_SFD_REC_ACTION_NOP
,
709 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sfd
), sfd_pl
);
716 mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port
*mlxsw_sp_port
,
717 const struct switchdev_obj_port_fdb
*fdb
,
718 struct switchdev_trans
*trans
)
720 u16 fid
= mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port
, fdb
->vid
);
723 if (switchdev_trans_ph_prepare(trans
))
726 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
)) {
727 lag_vid
= mlxsw_sp_vport_vid_get(mlxsw_sp_port
);
730 if (!mlxsw_sp_port
->lagged
)
731 return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port
->mlxsw_sp
,
732 mlxsw_sp_port
->local_port
,
733 fdb
->addr
, fid
, true, false);
735 return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port
->mlxsw_sp
,
736 mlxsw_sp_port
->lag_id
,
737 fdb
->addr
, fid
, lag_vid
,
741 static int mlxsw_sp_port_mdb_op(struct mlxsw_sp
*mlxsw_sp
, const char *addr
,
742 u16 fid
, u16 mid
, bool adding
)
747 sfd_pl
= kmalloc(MLXSW_REG_SFD_LEN
, GFP_KERNEL
);
751 mlxsw_reg_sfd_pack(sfd_pl
, mlxsw_sp_sfd_op(adding
), 0);
752 mlxsw_reg_sfd_mc_pack(sfd_pl
, 0, addr
, fid
,
753 MLXSW_REG_SFD_REC_ACTION_NOP
, mid
);
754 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(sfd
), sfd_pl
);
759 static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port
*mlxsw_sp_port
, u16 mid
,
760 bool add
, bool clear_all_ports
)
762 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
766 smid_pl
= kmalloc(MLXSW_REG_SMID_LEN
, GFP_KERNEL
);
770 mlxsw_reg_smid_pack(smid_pl
, mid
, mlxsw_sp_port
->local_port
, add
);
771 if (clear_all_ports
) {
772 for (i
= 1; i
< MLXSW_PORT_MAX_PORTS
; i
++)
773 if (mlxsw_sp
->ports
[i
])
774 mlxsw_reg_smid_port_mask_set(smid_pl
, i
, 1);
776 err
= mlxsw_reg_write(mlxsw_sp
->core
, MLXSW_REG(smid
), smid_pl
);
781 static struct mlxsw_sp_mid
*__mlxsw_sp_mc_get(struct mlxsw_sp
*mlxsw_sp
,
782 const unsigned char *addr
,
785 struct mlxsw_sp_mid
*mid
;
787 list_for_each_entry(mid
, &mlxsw_sp
->br_mids
.list
, list
) {
788 if (ether_addr_equal(mid
->addr
, addr
) && mid
->vid
== vid
)
794 static struct mlxsw_sp_mid
*__mlxsw_sp_mc_alloc(struct mlxsw_sp
*mlxsw_sp
,
795 const unsigned char *addr
,
798 struct mlxsw_sp_mid
*mid
;
801 mid_idx
= find_first_zero_bit(mlxsw_sp
->br_mids
.mapped
,
803 if (mid_idx
== MLXSW_SP_MID_MAX
)
806 mid
= kzalloc(sizeof(*mid
), GFP_KERNEL
);
810 set_bit(mid_idx
, mlxsw_sp
->br_mids
.mapped
);
811 ether_addr_copy(mid
->addr
, addr
);
815 list_add_tail(&mid
->list
, &mlxsw_sp
->br_mids
.list
);
820 static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp
*mlxsw_sp
,
821 struct mlxsw_sp_mid
*mid
)
823 if (--mid
->ref_count
== 0) {
824 list_del(&mid
->list
);
825 clear_bit(mid
->mid
, mlxsw_sp
->br_mids
.mapped
);
832 static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port
*mlxsw_sp_port
,
833 const struct switchdev_obj_port_mdb
*mdb
,
834 struct switchdev_trans
*trans
)
836 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
837 struct net_device
*dev
= mlxsw_sp_port
->dev
;
838 struct mlxsw_sp_mid
*mid
;
839 u16 fid
= mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port
, mdb
->vid
);
842 if (switchdev_trans_ph_prepare(trans
))
845 mid
= __mlxsw_sp_mc_get(mlxsw_sp
, mdb
->addr
, mdb
->vid
);
847 mid
= __mlxsw_sp_mc_alloc(mlxsw_sp
, mdb
->addr
, mdb
->vid
);
849 netdev_err(dev
, "Unable to allocate MC group\n");
855 err
= mlxsw_sp_port_smid_set(mlxsw_sp_port
, mid
->mid
, true,
856 mid
->ref_count
== 1);
858 netdev_err(dev
, "Unable to set SMID\n");
862 if (mid
->ref_count
== 1) {
863 err
= mlxsw_sp_port_mdb_op(mlxsw_sp
, mdb
->addr
, fid
, mid
->mid
,
866 netdev_err(dev
, "Unable to set MC SFD\n");
874 __mlxsw_sp_mc_dec_ref(mlxsw_sp
, mid
);
878 static int mlxsw_sp_port_obj_add(struct net_device
*dev
,
879 const struct switchdev_obj
*obj
,
880 struct switchdev_trans
*trans
)
882 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
885 mlxsw_sp_port
= mlxsw_sp_port_orig_get(obj
->orig_dev
, mlxsw_sp_port
);
890 case SWITCHDEV_OBJ_ID_PORT_VLAN
:
891 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
))
894 err
= mlxsw_sp_port_vlans_add(mlxsw_sp_port
,
895 SWITCHDEV_OBJ_PORT_VLAN(obj
),
898 case SWITCHDEV_OBJ_ID_PORT_FDB
:
899 err
= mlxsw_sp_port_fdb_static_add(mlxsw_sp_port
,
900 SWITCHDEV_OBJ_PORT_FDB(obj
),
903 case SWITCHDEV_OBJ_ID_PORT_MDB
:
904 err
= mlxsw_sp_port_mdb_add(mlxsw_sp_port
,
905 SWITCHDEV_OBJ_PORT_MDB(obj
),
916 static int mlxsw_sp_port_kill_vids(struct net_device
*dev
, u16 vid_begin
,
922 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
923 err
= mlxsw_sp_port_kill_vid(dev
, 0, vid
);
931 static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port
*mlxsw_sp_port
,
932 u16 vid_begin
, u16 vid_end
, bool init
)
934 struct net_device
*dev
= mlxsw_sp_port
->dev
;
938 /* In case this is invoked with BRIDGE_FLAGS_SELF and port is
939 * not bridged, then prevent packets ingressing through the
940 * port with the specified VIDs from being trapped to CPU.
942 if (!init
&& !mlxsw_sp_port
->bridged
)
943 return mlxsw_sp_port_kill_vids(dev
, vid_begin
, vid_end
);
945 err
= __mlxsw_sp_port_vlans_set(mlxsw_sp_port
, vid_begin
, vid_end
,
948 netdev_err(dev
, "Unable to del VIDs %d-%d\n", vid_begin
,
956 pvid
= mlxsw_sp_port
->pvid
;
957 if (pvid
>= vid_begin
&& pvid
<= vid_end
) {
958 err
= mlxsw_sp_port_pvid_set(mlxsw_sp_port
, 0);
960 netdev_err(dev
, "Unable to del PVID %d\n", pvid
);
965 err
= __mlxsw_sp_port_flood_set(mlxsw_sp_port
, vid_begin
, vid_end
,
968 netdev_err(dev
, "Failed to clear flooding\n");
972 for (vid
= vid_begin
; vid
<= vid_end
; vid
++) {
973 /* Remove FID mapping in case of Virtual mode */
974 err
= mlxsw_sp_port_fid_unmap(mlxsw_sp_port
, vid
);
976 netdev_err(dev
, "Failed to unmap FID=%d", vid
);
982 /* Changing activity bits only if HW operation succeded */
983 for (vid
= vid_begin
; vid
<= vid_end
; vid
++)
984 clear_bit(vid
, mlxsw_sp_port
->active_vlans
);
989 static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port
*mlxsw_sp_port
,
990 const struct switchdev_obj_port_vlan
*vlan
)
992 return __mlxsw_sp_port_vlans_del(mlxsw_sp_port
,
993 vlan
->vid_begin
, vlan
->vid_end
, false);
996 void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port
*mlxsw_sp_port
)
1000 for_each_set_bit(vid
, mlxsw_sp_port
->active_vlans
, VLAN_N_VID
)
1001 __mlxsw_sp_port_vlans_del(mlxsw_sp_port
, vid
, vid
, false);
1005 mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port
*mlxsw_sp_port
,
1006 const struct switchdev_obj_port_fdb
*fdb
)
1008 u16 fid
= mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port
, fdb
->vid
);
1011 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
)) {
1012 lag_vid
= mlxsw_sp_vport_vid_get(mlxsw_sp_port
);
1015 if (!mlxsw_sp_port
->lagged
)
1016 return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port
->mlxsw_sp
,
1017 mlxsw_sp_port
->local_port
,
1021 return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port
->mlxsw_sp
,
1022 mlxsw_sp_port
->lag_id
,
1023 fdb
->addr
, fid
, lag_vid
,
1027 static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port
*mlxsw_sp_port
,
1028 const struct switchdev_obj_port_mdb
*mdb
)
1030 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
1031 struct net_device
*dev
= mlxsw_sp_port
->dev
;
1032 struct mlxsw_sp_mid
*mid
;
1033 u16 fid
= mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port
, mdb
->vid
);
1037 mid
= __mlxsw_sp_mc_get(mlxsw_sp
, mdb
->addr
, mdb
->vid
);
1039 netdev_err(dev
, "Unable to remove port from MC DB\n");
1043 err
= mlxsw_sp_port_smid_set(mlxsw_sp_port
, mid
->mid
, false, false);
1045 netdev_err(dev
, "Unable to remove port from SMID\n");
1048 if (__mlxsw_sp_mc_dec_ref(mlxsw_sp
, mid
)) {
1049 err
= mlxsw_sp_port_mdb_op(mlxsw_sp
, mdb
->addr
, fid
, mid_idx
,
1052 netdev_err(dev
, "Unable to remove MC SFD\n");
1058 static int mlxsw_sp_port_obj_del(struct net_device
*dev
,
1059 const struct switchdev_obj
*obj
)
1061 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
1064 mlxsw_sp_port
= mlxsw_sp_port_orig_get(obj
->orig_dev
, mlxsw_sp_port
);
1069 case SWITCHDEV_OBJ_ID_PORT_VLAN
:
1070 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
))
1073 err
= mlxsw_sp_port_vlans_del(mlxsw_sp_port
,
1074 SWITCHDEV_OBJ_PORT_VLAN(obj
));
1076 case SWITCHDEV_OBJ_ID_PORT_FDB
:
1077 err
= mlxsw_sp_port_fdb_static_del(mlxsw_sp_port
,
1078 SWITCHDEV_OBJ_PORT_FDB(obj
));
1080 case SWITCHDEV_OBJ_ID_PORT_MDB
:
1081 err
= mlxsw_sp_port_mdb_del(mlxsw_sp_port
,
1082 SWITCHDEV_OBJ_PORT_MDB(obj
));
1092 static struct mlxsw_sp_port
*mlxsw_sp_lag_rep_port(struct mlxsw_sp
*mlxsw_sp
,
1095 struct mlxsw_sp_port
*mlxsw_sp_port
;
1098 for (i
= 0; i
< MLXSW_SP_PORT_PER_LAG_MAX
; i
++) {
1099 mlxsw_sp_port
= mlxsw_sp_port_lagged_get(mlxsw_sp
, lag_id
, i
);
1101 return mlxsw_sp_port
;
1106 static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port
*mlxsw_sp_port
,
1107 struct switchdev_obj_port_fdb
*fdb
,
1108 switchdev_obj_dump_cb_t
*cb
,
1109 struct net_device
*orig_dev
)
1111 struct mlxsw_sp
*mlxsw_sp
= mlxsw_sp_port
->mlxsw_sp
;
1112 struct mlxsw_sp_port
*tmp
;
1124 sfd_pl
= kmalloc(MLXSW_REG_SFD_LEN
, GFP_KERNEL
);
1128 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
)) {
1131 tmp
= mlxsw_sp_vport_vfid_get(mlxsw_sp_port
);
1132 vport_fid
= mlxsw_sp_vfid_to_fid(tmp
);
1135 mlxsw_reg_sfd_pack(sfd_pl
, MLXSW_REG_SFD_OP_QUERY_DUMP
, 0);
1137 mlxsw_reg_sfd_num_rec_set(sfd_pl
, MLXSW_REG_SFD_REC_MAX_COUNT
);
1138 err
= mlxsw_reg_query(mlxsw_sp
->core
, MLXSW_REG(sfd
), sfd_pl
);
1142 num_rec
= mlxsw_reg_sfd_num_rec_get(sfd_pl
);
1144 /* Even in case of error, we have to run the dump to the end
1145 * so the session in firmware is finished.
1150 for (i
= 0; i
< num_rec
; i
++) {
1151 switch (mlxsw_reg_sfd_rec_type_get(sfd_pl
, i
)) {
1152 case MLXSW_REG_SFD_REC_TYPE_UNICAST
:
1153 mlxsw_reg_sfd_uc_unpack(sfd_pl
, i
, mac
, &fid
,
1155 if (local_port
== mlxsw_sp_port
->local_port
) {
1156 if (vport_fid
&& vport_fid
== fid
)
1158 else if (!vport_fid
&&
1159 !mlxsw_sp_fid_is_vfid(fid
))
1163 ether_addr_copy(fdb
->addr
, mac
);
1164 fdb
->ndm_state
= NUD_REACHABLE
;
1165 err
= cb(&fdb
->obj
);
1170 case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG
:
1171 mlxsw_reg_sfd_uc_lag_unpack(sfd_pl
, i
,
1172 mac
, &fid
, &lag_id
);
1173 tmp
= mlxsw_sp_lag_rep_port(mlxsw_sp
, lag_id
);
1174 if (tmp
&& tmp
->local_port
==
1175 mlxsw_sp_port
->local_port
) {
1176 /* LAG records can only point to LAG
1177 * devices or VLAN devices on top.
1179 if (!netif_is_lag_master(orig_dev
) &&
1180 !is_vlan_dev(orig_dev
))
1182 if (vport_fid
&& vport_fid
== fid
)
1184 else if (!vport_fid
&&
1185 !mlxsw_sp_fid_is_vfid(fid
))
1189 ether_addr_copy(fdb
->addr
, mac
);
1190 fdb
->ndm_state
= NUD_REACHABLE
;
1191 err
= cb(&fdb
->obj
);
1198 } while (num_rec
== MLXSW_REG_SFD_REC_MAX_COUNT
);
1202 return stored_err
? stored_err
: err
;
1205 static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port
*mlxsw_sp_port
,
1206 struct switchdev_obj_port_vlan
*vlan
,
1207 switchdev_obj_dump_cb_t
*cb
)
1212 if (mlxsw_sp_port_is_vport(mlxsw_sp_port
)) {
1214 vlan
->vid_begin
= mlxsw_sp_vport_vid_get(mlxsw_sp_port
);
1215 vlan
->vid_end
= mlxsw_sp_vport_vid_get(mlxsw_sp_port
);
1216 return cb(&vlan
->obj
);
1219 for_each_set_bit(vid
, mlxsw_sp_port
->active_vlans
, VLAN_N_VID
) {
1221 if (vid
== mlxsw_sp_port
->pvid
)
1222 vlan
->flags
|= BRIDGE_VLAN_INFO_PVID
;
1223 if (test_bit(vid
, mlxsw_sp_port
->untagged_vlans
))
1224 vlan
->flags
|= BRIDGE_VLAN_INFO_UNTAGGED
;
1225 vlan
->vid_begin
= vid
;
1226 vlan
->vid_end
= vid
;
1227 err
= cb(&vlan
->obj
);
1234 static int mlxsw_sp_port_obj_dump(struct net_device
*dev
,
1235 struct switchdev_obj
*obj
,
1236 switchdev_obj_dump_cb_t
*cb
)
1238 struct mlxsw_sp_port
*mlxsw_sp_port
= netdev_priv(dev
);
1241 mlxsw_sp_port
= mlxsw_sp_port_orig_get(obj
->orig_dev
, mlxsw_sp_port
);
1246 case SWITCHDEV_OBJ_ID_PORT_VLAN
:
1247 err
= mlxsw_sp_port_vlan_dump(mlxsw_sp_port
,
1248 SWITCHDEV_OBJ_PORT_VLAN(obj
), cb
);
1250 case SWITCHDEV_OBJ_ID_PORT_FDB
:
1251 err
= mlxsw_sp_port_fdb_dump(mlxsw_sp_port
,
1252 SWITCHDEV_OBJ_PORT_FDB(obj
), cb
,
1263 static const struct switchdev_ops mlxsw_sp_port_switchdev_ops
= {
1264 .switchdev_port_attr_get
= mlxsw_sp_port_attr_get
,
1265 .switchdev_port_attr_set
= mlxsw_sp_port_attr_set
,
1266 .switchdev_port_obj_add
= mlxsw_sp_port_obj_add
,
1267 .switchdev_port_obj_del
= mlxsw_sp_port_obj_del
,
1268 .switchdev_port_obj_dump
= mlxsw_sp_port_obj_dump
,
1271 static void mlxsw_sp_fdb_call_notifiers(bool learning_sync
, bool adding
,
1273 struct net_device
*dev
)
1275 struct switchdev_notifier_fdb_info info
;
1276 unsigned long notifier_type
;
1278 if (learning_sync
) {
1281 notifier_type
= adding
? SWITCHDEV_FDB_ADD
: SWITCHDEV_FDB_DEL
;
1282 call_switchdev_notifiers(notifier_type
, dev
, &info
.info
);
1286 static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp
*mlxsw_sp
,
1287 char *sfn_pl
, int rec_index
,
1290 struct mlxsw_sp_port
*mlxsw_sp_port
;
1294 bool do_notification
= true;
1297 mlxsw_reg_sfn_mac_unpack(sfn_pl
, rec_index
, mac
, &fid
, &local_port
);
1298 mlxsw_sp_port
= mlxsw_sp
->ports
[local_port
];
1299 if (!mlxsw_sp_port
) {
1300 dev_err_ratelimited(mlxsw_sp
->bus_info
->dev
, "Incorrect local port in FDB notification\n");
1304 if (mlxsw_sp_fid_is_vfid(fid
)) {
1305 u16 vfid
= mlxsw_sp_fid_to_vfid(fid
);
1306 struct mlxsw_sp_port
*mlxsw_sp_vport
;
1308 mlxsw_sp_vport
= mlxsw_sp_port_vport_find_by_vfid(mlxsw_sp_port
,
1310 if (!mlxsw_sp_vport
) {
1311 netdev_err(mlxsw_sp_port
->dev
, "Failed to find a matching vPort following FDB notification\n");
1315 /* Override the physical port with the vPort. */
1316 mlxsw_sp_port
= mlxsw_sp_vport
;
1321 adding
= adding
&& mlxsw_sp_port
->learning
;
1324 err
= mlxsw_sp_port_fdb_uc_op(mlxsw_sp
, local_port
, mac
, fid
,
1327 if (net_ratelimit())
1328 netdev_err(mlxsw_sp_port
->dev
, "Failed to set FDB entry\n");
1332 if (!do_notification
)
1334 mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port
->learning_sync
,
1335 adding
, mac
, vid
, mlxsw_sp_port
->dev
);
1340 do_notification
= false;
1344 static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp
*mlxsw_sp
,
1345 char *sfn_pl
, int rec_index
,
1348 struct mlxsw_sp_port
*mlxsw_sp_port
;
1349 struct net_device
*dev
;
1354 bool do_notification
= true;
1357 mlxsw_reg_sfn_mac_lag_unpack(sfn_pl
, rec_index
, mac
, &fid
, &lag_id
);
1358 mlxsw_sp_port
= mlxsw_sp_lag_rep_port(mlxsw_sp
, lag_id
);
1359 if (!mlxsw_sp_port
) {
1360 dev_err_ratelimited(mlxsw_sp
->bus_info
->dev
, "Cannot find port representor for LAG\n");
1364 if (mlxsw_sp_fid_is_vfid(fid
)) {
1365 u16 vfid
= mlxsw_sp_fid_to_vfid(fid
);
1366 struct mlxsw_sp_port
*mlxsw_sp_vport
;
1368 mlxsw_sp_vport
= mlxsw_sp_port_vport_find_by_vfid(mlxsw_sp_port
,
1370 if (!mlxsw_sp_vport
) {
1371 netdev_err(mlxsw_sp_port
->dev
, "Failed to find a matching vPort following FDB notification\n");
1375 lag_vid
= mlxsw_sp_vport_vid_get(mlxsw_sp_vport
);
1376 dev
= mlxsw_sp_vport
->dev
;
1378 /* Override the physical port with the vPort. */
1379 mlxsw_sp_port
= mlxsw_sp_vport
;
1381 dev
= mlxsw_sp_lag_get(mlxsw_sp
, lag_id
)->dev
;
1385 adding
= adding
&& mlxsw_sp_port
->learning
;
1388 err
= mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp
, lag_id
, mac
, fid
, lag_vid
,
1391 if (net_ratelimit())
1392 netdev_err(mlxsw_sp_port
->dev
, "Failed to set FDB entry\n");
1396 if (!do_notification
)
1398 mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port
->learning_sync
, adding
, mac
,
1404 do_notification
= false;
1408 static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp
*mlxsw_sp
,
1409 char *sfn_pl
, int rec_index
)
1411 switch (mlxsw_reg_sfn_rec_type_get(sfn_pl
, rec_index
)) {
1412 case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC
:
1413 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp
, sfn_pl
,
1416 case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC
:
1417 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp
, sfn_pl
,
1420 case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG
:
1421 mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp
, sfn_pl
,
1424 case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG
:
1425 mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp
, sfn_pl
,
1431 static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp
*mlxsw_sp
)
1433 schedule_delayed_work(&mlxsw_sp
->fdb_notify
.dw
,
1434 msecs_to_jiffies(mlxsw_sp
->fdb_notify
.interval
));
1437 static void mlxsw_sp_fdb_notify_work(struct work_struct
*work
)
1439 struct mlxsw_sp
*mlxsw_sp
;
1445 sfn_pl
= kmalloc(MLXSW_REG_SFN_LEN
, GFP_KERNEL
);
1449 mlxsw_sp
= container_of(work
, struct mlxsw_sp
, fdb_notify
.dw
.work
);
1453 mlxsw_reg_sfn_pack(sfn_pl
);
1454 err
= mlxsw_reg_query(mlxsw_sp
->core
, MLXSW_REG(sfn
), sfn_pl
);
1456 dev_err_ratelimited(mlxsw_sp
->bus_info
->dev
, "Failed to get FDB notifications\n");
1459 num_rec
= mlxsw_reg_sfn_num_rec_get(sfn_pl
);
1460 for (i
= 0; i
< num_rec
; i
++)
1461 mlxsw_sp_fdb_notify_rec_process(mlxsw_sp
, sfn_pl
, i
);
1467 mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp
);
1470 static int mlxsw_sp_fdb_init(struct mlxsw_sp
*mlxsw_sp
)
1474 err
= mlxsw_sp_ageing_set(mlxsw_sp
, MLXSW_SP_DEFAULT_AGEING_TIME
);
1476 dev_err(mlxsw_sp
->bus_info
->dev
, "Failed to set default ageing time\n");
1479 INIT_DELAYED_WORK(&mlxsw_sp
->fdb_notify
.dw
, mlxsw_sp_fdb_notify_work
);
1480 mlxsw_sp
->fdb_notify
.interval
= MLXSW_SP_DEFAULT_LEARNING_INTERVAL
;
1481 mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp
);
1485 static void mlxsw_sp_fdb_fini(struct mlxsw_sp
*mlxsw_sp
)
1487 cancel_delayed_work_sync(&mlxsw_sp
->fdb_notify
.dw
);
1490 static void mlxsw_sp_fids_fini(struct mlxsw_sp
*mlxsw_sp
)
1494 for_each_set_bit(fid
, mlxsw_sp
->active_fids
, VLAN_N_VID
)
1495 mlxsw_sp_fid_destroy(mlxsw_sp
, fid
);
1498 int mlxsw_sp_switchdev_init(struct mlxsw_sp
*mlxsw_sp
)
1500 return mlxsw_sp_fdb_init(mlxsw_sp
);
1503 void mlxsw_sp_switchdev_fini(struct mlxsw_sp
*mlxsw_sp
)
1505 mlxsw_sp_fdb_fini(mlxsw_sp
);
1506 mlxsw_sp_fids_fini(mlxsw_sp
);
1509 int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port
*mlxsw_sp_port
)
1511 struct net_device
*dev
= mlxsw_sp_port
->dev
;
1514 /* Allow only untagged packets to ingress and tag them internally
1517 mlxsw_sp_port
->pvid
= 1;
1518 err
= __mlxsw_sp_port_vlans_del(mlxsw_sp_port
, 0, VLAN_N_VID
- 1,
1521 netdev_err(dev
, "Unable to init VLANs\n");
1525 /* Add implicit VLAN interface in the device, so that untagged
1526 * packets will be classified to the default vFID.
1528 err
= mlxsw_sp_port_add_vid(dev
, 0, 1);
1530 netdev_err(dev
, "Failed to configure default vFID\n");
1535 void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port
*mlxsw_sp_port
)
1537 mlxsw_sp_port
->dev
->switchdev_ops
= &mlxsw_sp_port_switchdev_ops
;
1540 void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port
*mlxsw_sp_port
)