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,
58 struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_port);
61 fid = f ? f->fid : fid;
64 fid = mlxsw_sp_port->pvid;
69 static struct mlxsw_sp_port *
70 mlxsw_sp_port_orig_get(struct net_device *dev,
71 struct mlxsw_sp_port *mlxsw_sp_port)
73 struct mlxsw_sp_port *mlxsw_sp_vport;
76 if (!is_vlan_dev(dev))
79 vid = vlan_dev_vlan_id(dev);
80 mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid);
81 WARN_ON(!mlxsw_sp_vport);
83 return mlxsw_sp_vport;
86 static int mlxsw_sp_port_attr_get(struct net_device *dev,
87 struct switchdev_attr *attr)
89 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
90 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
92 mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port);
97 case SWITCHDEV_ATTR_ID_PORT_PARENT_ID:
98 attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac);
99 memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac,
100 attr->u.ppid.id_len);
102 case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
103 attr->u.brport_flags =
104 (mlxsw_sp_port->learning ? BR_LEARNING : 0) |
105 (mlxsw_sp_port->learning_sync ? BR_LEARNING_SYNC : 0) |
106 (mlxsw_sp_port->uc_flood ? BR_FLOOD : 0);
115 static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port,
118 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
119 enum mlxsw_reg_spms_state spms_state;
125 case BR_STATE_FORWARDING:
126 spms_state = MLXSW_REG_SPMS_STATE_FORWARDING;
128 case BR_STATE_LEARNING:
129 spms_state = MLXSW_REG_SPMS_STATE_LEARNING;
131 case BR_STATE_LISTENING: /* fall-through */
132 case BR_STATE_DISABLED: /* fall-through */
133 case BR_STATE_BLOCKING:
134 spms_state = MLXSW_REG_SPMS_STATE_DISCARDING;
140 spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL);
143 mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port);
145 if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
146 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
147 mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);
149 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID)
150 mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);
153 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl);
158 static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port,
159 struct switchdev_trans *trans,
162 if (switchdev_trans_ph_prepare(trans))
165 mlxsw_sp_port->stp_state = state;
166 return mlxsw_sp_port_stp_state_set(mlxsw_sp_port, state);
169 static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port,
170 u16 idx_begin, u16 idx_end, bool set,
173 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
174 u16 local_port = mlxsw_sp_port->local_port;
175 enum mlxsw_flood_table_type table_type;
176 u16 range = idx_end - idx_begin + 1;
180 if (mlxsw_sp_port_is_vport(mlxsw_sp_port))
181 table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID;
183 table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST;
185 sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL);
189 mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin,
190 table_type, range, local_port, set);
191 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl);
195 /* Flooding control allows one to decide whether a given port will
196 * flood unicast traffic for which there is no FDB entry.
201 mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, idx_begin,
202 table_type, range, local_port, set);
203 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl);
205 goto err_flood_bm_set;
210 mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin,
211 table_type, range, local_port, !set);
212 mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl);
218 static int mlxsw_sp_port_uc_flood_set(struct mlxsw_sp_port *mlxsw_sp_port,
221 struct net_device *dev = mlxsw_sp_port->dev;
222 u16 vid, last_visited_vid;
225 if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
226 u16 fid = mlxsw_sp_vport_fid_get(mlxsw_sp_port)->fid;
227 u16 vfid = mlxsw_sp_fid_to_vfid(fid);
229 return __mlxsw_sp_port_flood_set(mlxsw_sp_port, vfid, vfid,
233 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) {
234 err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, set,
237 last_visited_vid = vid;
238 goto err_port_flood_set;
245 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, last_visited_vid)
246 __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, !set, true);
247 netdev_err(dev, "Failed to configure unicast flooding\n");
251 int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid,
256 /* In case of vFIDs, index into the flooding table is relative to
257 * the start of the vFIDs range.
259 vfid = mlxsw_sp_fid_to_vfid(fid);
260 return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set,
264 static int mlxsw_sp_port_learning_set(struct mlxsw_sp_port *mlxsw_sp_port,
270 if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
271 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
273 return __mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, vid,
277 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) {
278 err = __mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, vid,
281 goto err_port_vid_learning_set;
286 err_port_vid_learning_set:
287 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID)
288 __mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, vid, !set);
292 static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port,
293 struct switchdev_trans *trans,
294 unsigned long brport_flags)
296 unsigned long learning = mlxsw_sp_port->learning ? BR_LEARNING : 0;
297 unsigned long uc_flood = mlxsw_sp_port->uc_flood ? BR_FLOOD : 0;
300 if (!mlxsw_sp_port->bridged)
303 if (switchdev_trans_ph_prepare(trans))
306 if ((uc_flood ^ brport_flags) & BR_FLOOD) {
307 err = mlxsw_sp_port_uc_flood_set(mlxsw_sp_port,
308 !mlxsw_sp_port->uc_flood);
313 if ((learning ^ brport_flags) & BR_LEARNING) {
314 err = mlxsw_sp_port_learning_set(mlxsw_sp_port,
315 !mlxsw_sp_port->learning);
317 goto err_port_learning_set;
320 mlxsw_sp_port->uc_flood = brport_flags & BR_FLOOD ? 1 : 0;
321 mlxsw_sp_port->learning = brport_flags & BR_LEARNING ? 1 : 0;
322 mlxsw_sp_port->learning_sync = brport_flags & BR_LEARNING_SYNC ? 1 : 0;
326 err_port_learning_set:
327 if ((uc_flood ^ brport_flags) & BR_FLOOD)
328 mlxsw_sp_port_uc_flood_set(mlxsw_sp_port,
329 mlxsw_sp_port->uc_flood);
333 static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time)
335 char sfdat_pl[MLXSW_REG_SFDAT_LEN];
338 mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time);
339 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl);
342 mlxsw_sp->ageing_time = ageing_time;
346 static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port,
347 struct switchdev_trans *trans,
348 unsigned long ageing_clock_t)
350 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
351 unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t);
352 u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000;
354 if (switchdev_trans_ph_prepare(trans)) {
355 if (ageing_time < MLXSW_SP_MIN_AGEING_TIME ||
356 ageing_time > MLXSW_SP_MAX_AGEING_TIME)
362 return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time);
365 static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port,
366 struct switchdev_trans *trans,
367 struct net_device *orig_dev,
370 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
372 /* SWITCHDEV_TRANS_PREPARE phase */
373 if ((!vlan_enabled) && (mlxsw_sp->master_bridge.dev == orig_dev)) {
374 netdev_err(mlxsw_sp_port->dev, "Bridge must be vlan-aware\n");
381 static int mlxsw_sp_port_attr_set(struct net_device *dev,
382 const struct switchdev_attr *attr,
383 struct switchdev_trans *trans)
385 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
388 mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port);
393 case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
394 err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans,
397 case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
398 err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans,
399 attr->u.brport_flags);
401 case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
402 err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans,
403 attr->u.ageing_time);
405 case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING:
406 err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans,
408 attr->u.vlan_filtering);
418 static int mlxsw_sp_fid_op(struct mlxsw_sp *mlxsw_sp, u16 fid, bool create)
420 char sfmr_pl[MLXSW_REG_SFMR_LEN];
422 mlxsw_reg_sfmr_pack(sfmr_pl, !create, fid, fid);
423 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl);
426 static int mlxsw_sp_fid_map(struct mlxsw_sp *mlxsw_sp, u16 fid, bool valid)
428 enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_VID_TO_FID;
429 char svfa_pl[MLXSW_REG_SVFA_LEN];
431 mlxsw_reg_svfa_pack(svfa_pl, 0, mt, valid, fid, fid);
432 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl);
435 static struct mlxsw_sp_fid *mlxsw_sp_fid_alloc(u16 fid)
437 struct mlxsw_sp_fid *f;
439 f = kzalloc(sizeof(*f), GFP_KERNEL);
448 struct mlxsw_sp_fid *mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp, u16 fid)
450 struct mlxsw_sp_fid *f;
453 err = mlxsw_sp_fid_op(mlxsw_sp, fid, true);
457 /* Although all the ports member in the FID might be using a
458 * {Port, VID} to FID mapping, we create a global VID-to-FID
459 * mapping. This allows a port to transition to VLAN mode,
460 * knowing the global mapping exists.
462 err = mlxsw_sp_fid_map(mlxsw_sp, fid, true);
466 f = mlxsw_sp_fid_alloc(fid);
469 goto err_allocate_fid;
472 list_add(&f->list, &mlxsw_sp->fids);
477 mlxsw_sp_fid_map(mlxsw_sp, fid, false);
479 mlxsw_sp_fid_op(mlxsw_sp, fid, false);
483 void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fid *f)
490 mlxsw_sp_rif_bridge_destroy(mlxsw_sp, f->r);
494 mlxsw_sp_fid_map(mlxsw_sp, fid, false);
496 mlxsw_sp_fid_op(mlxsw_sp, fid, false);
499 static int __mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port,
502 struct mlxsw_sp_fid *f;
504 f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid);
506 f = mlxsw_sp_fid_create(mlxsw_sp_port->mlxsw_sp, fid);
513 netdev_dbg(mlxsw_sp_port->dev, "Joined FID=%d\n", fid);
518 static void __mlxsw_sp_port_fid_leave(struct mlxsw_sp_port *mlxsw_sp_port,
521 struct mlxsw_sp_fid *f;
523 f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid);
527 netdev_dbg(mlxsw_sp_port->dev, "Left FID=%d\n", fid);
529 mlxsw_sp_port_fdb_flush(mlxsw_sp_port, fid);
531 if (--f->ref_count == 0)
532 mlxsw_sp_fid_destroy(mlxsw_sp_port->mlxsw_sp, f);
535 static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid,
538 enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID;
540 /* If port doesn't have vPorts, then it can use the global
541 * VID-to-FID mapping.
543 if (list_empty(&mlxsw_sp_port->vports_list))
546 return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, valid, fid, fid);
549 static int mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port,
550 u16 fid_begin, u16 fid_end)
554 for (fid = fid_begin; fid <= fid_end; fid++) {
555 err = __mlxsw_sp_port_fid_join(mlxsw_sp_port, fid);
557 goto err_port_fid_join;
560 err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end,
563 goto err_port_flood_set;
565 for (fid = fid_begin; fid <= fid_end; fid++) {
566 err = mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, true);
568 goto err_port_fid_map;
574 for (fid--; fid >= fid_begin; fid--)
575 mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, false);
576 __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, false,
581 for (fid--; fid >= fid_begin; fid--)
582 __mlxsw_sp_port_fid_leave(mlxsw_sp_port, fid);
586 static void mlxsw_sp_port_fid_leave(struct mlxsw_sp_port *mlxsw_sp_port,
587 u16 fid_begin, u16 fid_end)
591 for (fid = fid_begin; fid <= fid_end; fid++)
592 mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, false);
594 __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, false,
597 for (fid = fid_begin; fid <= fid_end; fid++)
598 __mlxsw_sp_port_fid_leave(mlxsw_sp_port, fid);
601 static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port,
604 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
605 char spvid_pl[MLXSW_REG_SPVID_LEN];
607 mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid);
608 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl);
611 static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port,
614 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
615 char spaft_pl[MLXSW_REG_SPAFT_LEN];
617 mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow);
618 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl);
621 int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
623 struct net_device *dev = mlxsw_sp_port->dev;
627 err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false);
629 netdev_err(dev, "Failed to disallow untagged traffic\n");
633 err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid);
635 netdev_err(dev, "Failed to set PVID\n");
639 /* Only allow if not already allowed. */
640 if (!mlxsw_sp_port->pvid) {
641 err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port,
644 netdev_err(dev, "Failed to allow untagged traffic\n");
645 goto err_port_allow_untagged_set;
650 mlxsw_sp_port->pvid = vid;
653 err_port_allow_untagged_set:
654 __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid);
658 static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port *mlxsw_sp_port,
659 u16 vid_begin, u16 vid_end, bool is_member,
665 for (vid = vid_begin; vid <= vid_end;
666 vid += MLXSW_REG_SPVM_REC_MAX_COUNT) {
667 vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1),
670 err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e,
671 is_member, untagged);
679 static int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port,
680 u16 vid_begin, u16 vid_end,
686 for (vid = vid_begin; vid <= vid_end;
687 vid += MLXSW_REG_SPVMLR_REC_MAX_COUNT) {
688 vid_e = min((u16) (vid + MLXSW_REG_SPVMLR_REC_MAX_COUNT - 1),
691 err = __mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid,
692 vid_e, learn_enable);
700 static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port,
701 u16 vid_begin, u16 vid_end,
702 bool flag_untagged, bool flag_pvid)
704 struct net_device *dev = mlxsw_sp_port->dev;
708 if (!mlxsw_sp_port->bridged)
711 err = mlxsw_sp_port_fid_join(mlxsw_sp_port, vid_begin, vid_end);
713 netdev_err(dev, "Failed to join FIDs\n");
717 err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end,
718 true, flag_untagged);
720 netdev_err(dev, "Unable to add VIDs %d-%d\n", vid_begin,
722 goto err_port_vlans_set;
725 old_pvid = mlxsw_sp_port->pvid;
726 if (flag_pvid && old_pvid != vid_begin) {
727 err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid_begin);
729 netdev_err(dev, "Unable to add PVID %d\n", vid_begin);
730 goto err_port_pvid_set;
732 } else if (!flag_pvid && old_pvid >= vid_begin && old_pvid <= vid_end) {
733 err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0);
735 netdev_err(dev, "Unable to del PVID\n");
736 goto err_port_pvid_set;
740 err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid_begin, vid_end,
741 mlxsw_sp_port->learning);
743 netdev_err(dev, "Failed to set learning for VIDs %d-%d\n",
745 goto err_port_vid_learning_set;
748 /* Changing activity bits only if HW operation succeded */
749 for (vid = vid_begin; vid <= vid_end; vid++) {
750 set_bit(vid, mlxsw_sp_port->active_vlans);
752 set_bit(vid, mlxsw_sp_port->untagged_vlans);
754 clear_bit(vid, mlxsw_sp_port->untagged_vlans);
757 /* STP state change must be done after we set active VLANs */
758 err = mlxsw_sp_port_stp_state_set(mlxsw_sp_port,
759 mlxsw_sp_port->stp_state);
761 netdev_err(dev, "Failed to set STP state\n");
762 goto err_port_stp_state_set;
767 err_port_stp_state_set:
768 for (vid = vid_begin; vid <= vid_end; vid++)
769 clear_bit(vid, mlxsw_sp_port->active_vlans);
770 mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid_begin, vid_end,
772 err_port_vid_learning_set:
773 if (old_pvid != mlxsw_sp_port->pvid)
774 mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid);
776 __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false,
779 mlxsw_sp_port_fid_leave(mlxsw_sp_port, vid_begin, vid_end);
783 static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port,
784 const struct switchdev_obj_port_vlan *vlan,
785 struct switchdev_trans *trans)
787 bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
788 bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
790 if (switchdev_trans_ph_prepare(trans))
793 return __mlxsw_sp_port_vlans_add(mlxsw_sp_port,
794 vlan->vid_begin, vlan->vid_end,
795 flag_untagged, flag_pvid);
798 static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic)
800 return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS :
801 MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY;
804 static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding)
806 return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT :
807 MLXSW_REG_SFD_OP_WRITE_REMOVE;
810 static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port,
811 const char *mac, u16 fid, bool adding,
812 enum mlxsw_reg_sfd_rec_action action,
818 sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
822 mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
823 mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic),
824 mac, fid, action, local_port);
825 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
831 static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port,
832 const char *mac, u16 fid, bool adding,
835 return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, adding,
836 MLXSW_REG_SFD_REC_ACTION_NOP, dynamic);
839 int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid,
842 return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, 0, mac, fid, adding,
843 MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER,
847 static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id,
848 const char *mac, u16 fid, u16 lag_vid,
849 bool adding, bool dynamic)
854 sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
858 mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
859 mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic),
860 mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP,
862 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
869 mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port,
870 const struct switchdev_obj_port_fdb *fdb,
871 struct switchdev_trans *trans)
873 u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid);
876 if (switchdev_trans_ph_prepare(trans))
879 if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
880 lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
883 if (!mlxsw_sp_port->lagged)
884 return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp,
885 mlxsw_sp_port->local_port,
886 fdb->addr, fid, true, false);
888 return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp,
889 mlxsw_sp_port->lag_id,
890 fdb->addr, fid, lag_vid,
894 static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr,
895 u16 fid, u16 mid, bool adding)
900 sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
904 mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
905 mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid,
906 MLXSW_REG_SFD_REC_ACTION_NOP, mid);
907 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
912 static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid,
913 bool add, bool clear_all_ports)
915 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
919 smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL);
923 mlxsw_reg_smid_pack(smid_pl, mid, mlxsw_sp_port->local_port, add);
924 if (clear_all_ports) {
925 for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++)
926 if (mlxsw_sp->ports[i])
927 mlxsw_reg_smid_port_mask_set(smid_pl, i, 1);
929 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl);
934 static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp,
935 const unsigned char *addr,
938 struct mlxsw_sp_mid *mid;
940 list_for_each_entry(mid, &mlxsw_sp->br_mids.list, list) {
941 if (ether_addr_equal(mid->addr, addr) && mid->vid == vid)
947 static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp,
948 const unsigned char *addr,
951 struct mlxsw_sp_mid *mid;
954 mid_idx = find_first_zero_bit(mlxsw_sp->br_mids.mapped,
956 if (mid_idx == MLXSW_SP_MID_MAX)
959 mid = kzalloc(sizeof(*mid), GFP_KERNEL);
963 set_bit(mid_idx, mlxsw_sp->br_mids.mapped);
964 ether_addr_copy(mid->addr, addr);
968 list_add_tail(&mid->list, &mlxsw_sp->br_mids.list);
973 static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp *mlxsw_sp,
974 struct mlxsw_sp_mid *mid)
976 if (--mid->ref_count == 0) {
977 list_del(&mid->list);
978 clear_bit(mid->mid, mlxsw_sp->br_mids.mapped);
985 static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,
986 const struct switchdev_obj_port_mdb *mdb,
987 struct switchdev_trans *trans)
989 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
990 struct net_device *dev = mlxsw_sp_port->dev;
991 struct mlxsw_sp_mid *mid;
992 u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid);
995 if (switchdev_trans_ph_prepare(trans))
998 mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid);
1000 mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, mdb->vid);
1002 netdev_err(dev, "Unable to allocate MC group\n");
1008 err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true,
1009 mid->ref_count == 1);
1011 netdev_err(dev, "Unable to set SMID\n");
1015 if (mid->ref_count == 1) {
1016 err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid->mid,
1019 netdev_err(dev, "Unable to set MC SFD\n");
1027 __mlxsw_sp_mc_dec_ref(mlxsw_sp, mid);
1031 static int mlxsw_sp_port_obj_add(struct net_device *dev,
1032 const struct switchdev_obj *obj,
1033 struct switchdev_trans *trans)
1035 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1038 mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port);
1043 case SWITCHDEV_OBJ_ID_PORT_VLAN:
1044 if (mlxsw_sp_port_is_vport(mlxsw_sp_port))
1047 err = mlxsw_sp_port_vlans_add(mlxsw_sp_port,
1048 SWITCHDEV_OBJ_PORT_VLAN(obj),
1051 case SWITCHDEV_OBJ_ID_IPV4_FIB:
1052 err = mlxsw_sp_router_fib4_add(mlxsw_sp_port,
1053 SWITCHDEV_OBJ_IPV4_FIB(obj),
1056 case SWITCHDEV_OBJ_ID_PORT_FDB:
1057 err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port,
1058 SWITCHDEV_OBJ_PORT_FDB(obj),
1061 case SWITCHDEV_OBJ_ID_PORT_MDB:
1062 err = mlxsw_sp_port_mdb_add(mlxsw_sp_port,
1063 SWITCHDEV_OBJ_PORT_MDB(obj),
1074 static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port,
1075 u16 vid_begin, u16 vid_end)
1079 if (!mlxsw_sp_port->bridged)
1082 mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid_begin, vid_end,
1085 pvid = mlxsw_sp_port->pvid;
1086 if (pvid >= vid_begin && pvid <= vid_end)
1087 mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0);
1089 __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false,
1092 mlxsw_sp_port_fid_leave(mlxsw_sp_port, vid_begin, vid_end);
1094 /* Changing activity bits only if HW operation succeded */
1095 for (vid = vid_begin; vid <= vid_end; vid++)
1096 clear_bit(vid, mlxsw_sp_port->active_vlans);
1101 static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port,
1102 const struct switchdev_obj_port_vlan *vlan)
1104 return __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vlan->vid_begin,
1108 void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port)
1112 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID)
1113 __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vid, vid);
1117 mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port,
1118 const struct switchdev_obj_port_fdb *fdb)
1120 u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid);
1123 if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
1124 lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
1127 if (!mlxsw_sp_port->lagged)
1128 return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp,
1129 mlxsw_sp_port->local_port,
1133 return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp,
1134 mlxsw_sp_port->lag_id,
1135 fdb->addr, fid, lag_vid,
1139 static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,
1140 const struct switchdev_obj_port_mdb *mdb)
1142 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1143 struct net_device *dev = mlxsw_sp_port->dev;
1144 struct mlxsw_sp_mid *mid;
1145 u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid);
1149 mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid);
1151 netdev_err(dev, "Unable to remove port from MC DB\n");
1155 err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false, false);
1157 netdev_err(dev, "Unable to remove port from SMID\n");
1160 if (__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid)) {
1161 err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid_idx,
1164 netdev_err(dev, "Unable to remove MC SFD\n");
1170 static int mlxsw_sp_port_obj_del(struct net_device *dev,
1171 const struct switchdev_obj *obj)
1173 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1176 mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port);
1181 case SWITCHDEV_OBJ_ID_PORT_VLAN:
1182 if (mlxsw_sp_port_is_vport(mlxsw_sp_port))
1185 err = mlxsw_sp_port_vlans_del(mlxsw_sp_port,
1186 SWITCHDEV_OBJ_PORT_VLAN(obj));
1188 case SWITCHDEV_OBJ_ID_IPV4_FIB:
1189 err = mlxsw_sp_router_fib4_del(mlxsw_sp_port,
1190 SWITCHDEV_OBJ_IPV4_FIB(obj));
1192 case SWITCHDEV_OBJ_ID_PORT_FDB:
1193 err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port,
1194 SWITCHDEV_OBJ_PORT_FDB(obj));
1196 case SWITCHDEV_OBJ_ID_PORT_MDB:
1197 err = mlxsw_sp_port_mdb_del(mlxsw_sp_port,
1198 SWITCHDEV_OBJ_PORT_MDB(obj));
1208 static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp,
1211 struct mlxsw_sp_port *mlxsw_sp_port;
1214 for (i = 0; i < MLXSW_SP_PORT_PER_LAG_MAX; i++) {
1215 mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i);
1217 return mlxsw_sp_port;
1222 static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port,
1223 struct switchdev_obj_port_fdb *fdb,
1224 switchdev_obj_dump_cb_t *cb,
1225 struct net_device *orig_dev)
1227 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1228 struct mlxsw_sp_port *tmp;
1229 struct mlxsw_sp_fid *f;
1241 sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
1245 f = mlxsw_sp_vport_fid_get(mlxsw_sp_port);
1246 vport_fid = f ? f->fid : 0;
1248 mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0);
1250 mlxsw_reg_sfd_num_rec_set(sfd_pl, MLXSW_REG_SFD_REC_MAX_COUNT);
1251 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
1255 num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
1257 /* Even in case of error, we have to run the dump to the end
1258 * so the session in firmware is finished.
1263 for (i = 0; i < num_rec; i++) {
1264 switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) {
1265 case MLXSW_REG_SFD_REC_TYPE_UNICAST:
1266 mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, &fid,
1268 if (local_port == mlxsw_sp_port->local_port) {
1269 if (vport_fid && vport_fid == fid)
1271 else if (!vport_fid &&
1272 !mlxsw_sp_fid_is_vfid(fid))
1276 ether_addr_copy(fdb->addr, mac);
1277 fdb->ndm_state = NUD_REACHABLE;
1278 err = cb(&fdb->obj);
1283 case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG:
1284 mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i,
1285 mac, &fid, &lag_id);
1286 tmp = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id);
1287 if (tmp && tmp->local_port ==
1288 mlxsw_sp_port->local_port) {
1289 /* LAG records can only point to LAG
1290 * devices or VLAN devices on top.
1292 if (!netif_is_lag_master(orig_dev) &&
1293 !is_vlan_dev(orig_dev))
1295 if (vport_fid && vport_fid == fid)
1297 else if (!vport_fid &&
1298 !mlxsw_sp_fid_is_vfid(fid))
1302 ether_addr_copy(fdb->addr, mac);
1303 fdb->ndm_state = NUD_REACHABLE;
1304 err = cb(&fdb->obj);
1311 } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT);
1315 return stored_err ? stored_err : err;
1318 static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port,
1319 struct switchdev_obj_port_vlan *vlan,
1320 switchdev_obj_dump_cb_t *cb)
1325 if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
1327 vlan->vid_begin = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
1328 vlan->vid_end = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
1329 return cb(&vlan->obj);
1332 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) {
1334 if (vid == mlxsw_sp_port->pvid)
1335 vlan->flags |= BRIDGE_VLAN_INFO_PVID;
1336 if (test_bit(vid, mlxsw_sp_port->untagged_vlans))
1337 vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
1338 vlan->vid_begin = vid;
1339 vlan->vid_end = vid;
1340 err = cb(&vlan->obj);
1347 static int mlxsw_sp_port_obj_dump(struct net_device *dev,
1348 struct switchdev_obj *obj,
1349 switchdev_obj_dump_cb_t *cb)
1351 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1354 mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port);
1359 case SWITCHDEV_OBJ_ID_PORT_VLAN:
1360 err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port,
1361 SWITCHDEV_OBJ_PORT_VLAN(obj), cb);
1363 case SWITCHDEV_OBJ_ID_PORT_FDB:
1364 err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port,
1365 SWITCHDEV_OBJ_PORT_FDB(obj), cb,
1376 static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = {
1377 .switchdev_port_attr_get = mlxsw_sp_port_attr_get,
1378 .switchdev_port_attr_set = mlxsw_sp_port_attr_set,
1379 .switchdev_port_obj_add = mlxsw_sp_port_obj_add,
1380 .switchdev_port_obj_del = mlxsw_sp_port_obj_del,
1381 .switchdev_port_obj_dump = mlxsw_sp_port_obj_dump,
1384 static void mlxsw_sp_fdb_call_notifiers(bool learning_sync, bool adding,
1386 struct net_device *dev)
1388 struct switchdev_notifier_fdb_info info;
1389 unsigned long notifier_type;
1391 if (learning_sync) {
1394 notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL;
1395 call_switchdev_notifiers(notifier_type, dev, &info.info);
1399 static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
1400 char *sfn_pl, int rec_index,
1403 struct mlxsw_sp_port *mlxsw_sp_port;
1407 bool do_notification = true;
1410 mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port);
1411 mlxsw_sp_port = mlxsw_sp->ports[local_port];
1412 if (!mlxsw_sp_port) {
1413 dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n");
1417 if (mlxsw_sp_fid_is_vfid(fid)) {
1418 struct mlxsw_sp_port *mlxsw_sp_vport;
1420 mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_fid(mlxsw_sp_port,
1422 if (!mlxsw_sp_vport) {
1423 netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n");
1427 /* Override the physical port with the vPort. */
1428 mlxsw_sp_port = mlxsw_sp_vport;
1434 err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid,
1437 if (net_ratelimit())
1438 netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n");
1442 if (!do_notification)
1444 mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync,
1445 adding, mac, vid, mlxsw_sp_port->dev);
1450 do_notification = false;
1454 static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp,
1455 char *sfn_pl, int rec_index,
1458 struct mlxsw_sp_port *mlxsw_sp_port;
1459 struct net_device *dev;
1464 bool do_notification = true;
1467 mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id);
1468 mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id);
1469 if (!mlxsw_sp_port) {
1470 dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n");
1474 if (mlxsw_sp_fid_is_vfid(fid)) {
1475 struct mlxsw_sp_port *mlxsw_sp_vport;
1477 mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_fid(mlxsw_sp_port,
1479 if (!mlxsw_sp_vport) {
1480 netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n");
1484 lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
1485 dev = mlxsw_sp_vport->dev;
1487 /* Override the physical port with the vPort. */
1488 mlxsw_sp_port = mlxsw_sp_vport;
1490 dev = mlxsw_sp_lag_get(mlxsw_sp, lag_id)->dev;
1495 err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid,
1498 if (net_ratelimit())
1499 netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n");
1503 if (!do_notification)
1505 mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, adding, mac,
1511 do_notification = false;
1515 static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp,
1516 char *sfn_pl, int rec_index)
1518 switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) {
1519 case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC:
1520 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl,
1523 case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC:
1524 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl,
1527 case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG:
1528 mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl,
1531 case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG:
1532 mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl,
1538 static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp)
1540 mlxsw_core_schedule_dw(&mlxsw_sp->fdb_notify.dw,
1541 msecs_to_jiffies(mlxsw_sp->fdb_notify.interval));
1544 static void mlxsw_sp_fdb_notify_work(struct work_struct *work)
1546 struct mlxsw_sp *mlxsw_sp;
1552 sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL);
1556 mlxsw_sp = container_of(work, struct mlxsw_sp, fdb_notify.dw.work);
1559 mlxsw_reg_sfn_pack(sfn_pl);
1560 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl);
1562 dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n");
1565 num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl);
1566 for (i = 0; i < num_rec; i++)
1567 mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i);
1572 mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
1575 static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp)
1579 err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME);
1581 dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n");
1584 INIT_DELAYED_WORK(&mlxsw_sp->fdb_notify.dw, mlxsw_sp_fdb_notify_work);
1585 mlxsw_sp->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL;
1586 mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
1590 static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp)
1592 cancel_delayed_work_sync(&mlxsw_sp->fdb_notify.dw);
1595 int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
1597 return mlxsw_sp_fdb_init(mlxsw_sp);
1600 void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp)
1602 mlxsw_sp_fdb_fini(mlxsw_sp);
1605 void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port)
1607 mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops;
1610 void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port)