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_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port,
265 struct switchdev_trans *trans,
266 unsigned long brport_flags)
268 unsigned long uc_flood = mlxsw_sp_port->uc_flood ? BR_FLOOD : 0;
272 if (!mlxsw_sp_port->bridged)
275 if (switchdev_trans_ph_prepare(trans))
278 if ((uc_flood ^ brport_flags) & BR_FLOOD) {
279 set = mlxsw_sp_port->uc_flood ? false : true;
280 err = mlxsw_sp_port_uc_flood_set(mlxsw_sp_port, set);
285 mlxsw_sp_port->uc_flood = brport_flags & BR_FLOOD ? 1 : 0;
286 mlxsw_sp_port->learning = brport_flags & BR_LEARNING ? 1 : 0;
287 mlxsw_sp_port->learning_sync = brport_flags & BR_LEARNING_SYNC ? 1 : 0;
292 static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time)
294 char sfdat_pl[MLXSW_REG_SFDAT_LEN];
297 mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time);
298 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl);
301 mlxsw_sp->ageing_time = ageing_time;
305 static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port,
306 struct switchdev_trans *trans,
307 unsigned long ageing_clock_t)
309 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
310 unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t);
311 u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000;
313 if (switchdev_trans_ph_prepare(trans)) {
314 if (ageing_time < MLXSW_SP_MIN_AGEING_TIME ||
315 ageing_time > MLXSW_SP_MAX_AGEING_TIME)
321 return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time);
324 static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port,
325 struct switchdev_trans *trans,
326 struct net_device *orig_dev,
329 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
331 /* SWITCHDEV_TRANS_PREPARE phase */
332 if ((!vlan_enabled) && (mlxsw_sp->master_bridge.dev == orig_dev)) {
333 netdev_err(mlxsw_sp_port->dev, "Bridge must be vlan-aware\n");
340 static int mlxsw_sp_port_attr_set(struct net_device *dev,
341 const struct switchdev_attr *attr,
342 struct switchdev_trans *trans)
344 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
347 mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port);
352 case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
353 err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans,
356 case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
357 err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans,
358 attr->u.brport_flags);
360 case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
361 err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans,
362 attr->u.ageing_time);
364 case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING:
365 err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans,
367 attr->u.vlan_filtering);
377 static struct mlxsw_sp_fid *mlxsw_sp_fid_find(struct mlxsw_sp *mlxsw_sp,
380 struct mlxsw_sp_fid *f;
382 list_for_each_entry(f, &mlxsw_sp->fids, list)
389 static int mlxsw_sp_fid_op(struct mlxsw_sp *mlxsw_sp, u16 fid, bool create)
391 char sfmr_pl[MLXSW_REG_SFMR_LEN];
393 mlxsw_reg_sfmr_pack(sfmr_pl, !create, fid, fid);
394 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl);
397 static int mlxsw_sp_fid_map(struct mlxsw_sp *mlxsw_sp, u16 fid, bool valid)
399 enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_VID_TO_FID;
400 char svfa_pl[MLXSW_REG_SVFA_LEN];
402 mlxsw_reg_svfa_pack(svfa_pl, 0, mt, valid, fid, fid);
403 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl);
406 static struct mlxsw_sp_fid *mlxsw_sp_fid_alloc(u16 fid)
408 struct mlxsw_sp_fid *f;
410 f = kzalloc(sizeof(*f), GFP_KERNEL);
419 static struct mlxsw_sp_fid *mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp,
422 struct mlxsw_sp_fid *f;
425 err = mlxsw_sp_fid_op(mlxsw_sp, fid, true);
429 /* Although all the ports member in the FID might be using a
430 * {Port, VID} to FID mapping, we create a global VID-to-FID
431 * mapping. This allows a port to transition to VLAN mode,
432 * knowing the global mapping exists.
434 err = mlxsw_sp_fid_map(mlxsw_sp, fid, true);
438 f = mlxsw_sp_fid_alloc(fid);
441 goto err_allocate_fid;
444 list_add(&f->list, &mlxsw_sp->fids);
449 mlxsw_sp_fid_map(mlxsw_sp, fid, false);
451 mlxsw_sp_fid_op(mlxsw_sp, fid, false);
455 static void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp,
456 struct mlxsw_sp_fid *f)
464 mlxsw_sp_fid_op(mlxsw_sp, fid, false);
467 static int __mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port,
470 struct mlxsw_sp_fid *f;
472 f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid);
474 f = mlxsw_sp_fid_create(mlxsw_sp_port->mlxsw_sp, fid);
481 netdev_dbg(mlxsw_sp_port->dev, "Joined FID=%d\n", fid);
486 static void __mlxsw_sp_port_fid_leave(struct mlxsw_sp_port *mlxsw_sp_port,
489 struct mlxsw_sp_fid *f;
491 f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid);
495 netdev_dbg(mlxsw_sp_port->dev, "Left FID=%d\n", fid);
497 mlxsw_sp_port_fdb_flush(mlxsw_sp_port, fid);
499 if (--f->ref_count == 0)
500 mlxsw_sp_fid_destroy(mlxsw_sp_port->mlxsw_sp, f);
503 static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid,
506 enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID;
508 /* If port doesn't have vPorts, then it can use the global
509 * VID-to-FID mapping.
511 if (list_empty(&mlxsw_sp_port->vports_list))
514 return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, valid, fid, fid);
517 static int mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port,
518 u16 fid_begin, u16 fid_end)
522 for (fid = fid_begin; fid <= fid_end; fid++) {
523 err = __mlxsw_sp_port_fid_join(mlxsw_sp_port, fid);
525 goto err_port_fid_join;
528 err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end,
531 goto err_port_flood_set;
533 for (fid = fid_begin; fid <= fid_end; fid++) {
534 err = mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, true);
536 goto err_port_fid_map;
542 for (fid--; fid >= fid_begin; fid--)
543 mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, false);
544 __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, false,
549 for (fid--; fid >= fid_begin; fid--)
550 __mlxsw_sp_port_fid_leave(mlxsw_sp_port, fid);
554 static void mlxsw_sp_port_fid_leave(struct mlxsw_sp_port *mlxsw_sp_port,
555 u16 fid_begin, u16 fid_end)
559 for (fid = fid_begin; fid <= fid_end; fid++)
560 mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, false);
562 __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, false,
565 for (fid = fid_begin; fid <= fid_end; fid++)
566 __mlxsw_sp_port_fid_leave(mlxsw_sp_port, fid);
569 static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port,
572 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
573 char spvid_pl[MLXSW_REG_SPVID_LEN];
575 mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid);
576 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl);
579 static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port,
582 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
583 char spaft_pl[MLXSW_REG_SPAFT_LEN];
585 mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow);
586 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl);
589 int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
591 struct net_device *dev = mlxsw_sp_port->dev;
595 err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false);
597 netdev_err(dev, "Failed to disallow untagged traffic\n");
601 err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid);
603 netdev_err(dev, "Failed to set PVID\n");
607 /* Only allow if not already allowed. */
608 if (!mlxsw_sp_port->pvid) {
609 err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port,
612 netdev_err(dev, "Failed to allow untagged traffic\n");
613 goto err_port_allow_untagged_set;
618 mlxsw_sp_port->pvid = vid;
621 err_port_allow_untagged_set:
622 __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid);
626 static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port *mlxsw_sp_port,
627 u16 vid_begin, u16 vid_end, bool is_member,
633 for (vid = vid_begin; vid <= vid_end;
634 vid += MLXSW_REG_SPVM_REC_MAX_COUNT) {
635 vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1),
638 err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e,
639 is_member, untagged);
647 static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port,
648 u16 vid_begin, u16 vid_end,
649 bool flag_untagged, bool flag_pvid)
651 struct net_device *dev = mlxsw_sp_port->dev;
655 if (!mlxsw_sp_port->bridged)
658 err = mlxsw_sp_port_fid_join(mlxsw_sp_port, vid_begin, vid_end);
660 netdev_err(dev, "Failed to join FIDs\n");
664 err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end,
665 true, flag_untagged);
667 netdev_err(dev, "Unable to add VIDs %d-%d\n", vid_begin,
669 goto err_port_vlans_set;
672 old_pvid = mlxsw_sp_port->pvid;
673 if (flag_pvid && old_pvid != vid_begin) {
674 err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid_begin);
676 netdev_err(dev, "Unable to add PVID %d\n", vid_begin);
677 goto err_port_pvid_set;
679 } else if (!flag_pvid && old_pvid >= vid_begin && old_pvid <= vid_end) {
680 err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0);
682 netdev_err(dev, "Unable to del PVID\n");
683 goto err_port_pvid_set;
687 /* Changing activity bits only if HW operation succeded */
688 for (vid = vid_begin; vid <= vid_end; vid++) {
689 set_bit(vid, mlxsw_sp_port->active_vlans);
691 set_bit(vid, mlxsw_sp_port->untagged_vlans);
693 clear_bit(vid, mlxsw_sp_port->untagged_vlans);
696 /* STP state change must be done after we set active VLANs */
697 err = mlxsw_sp_port_stp_state_set(mlxsw_sp_port,
698 mlxsw_sp_port->stp_state);
700 netdev_err(dev, "Failed to set STP state\n");
701 goto err_port_stp_state_set;
706 err_port_stp_state_set:
707 for (vid = vid_begin; vid <= vid_end; vid++)
708 clear_bit(vid, mlxsw_sp_port->active_vlans);
709 if (old_pvid != mlxsw_sp_port->pvid)
710 mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid);
712 __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false,
715 mlxsw_sp_port_fid_leave(mlxsw_sp_port, vid_begin, vid_end);
719 static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port,
720 const struct switchdev_obj_port_vlan *vlan,
721 struct switchdev_trans *trans)
723 bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
724 bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
726 if (switchdev_trans_ph_prepare(trans))
729 return __mlxsw_sp_port_vlans_add(mlxsw_sp_port,
730 vlan->vid_begin, vlan->vid_end,
731 flag_untagged, flag_pvid);
734 static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic)
736 return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS :
737 MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY;
740 static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding)
742 return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT :
743 MLXSW_REG_SFD_OP_WRITE_REMOVE;
746 static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port,
747 const char *mac, u16 fid, bool adding,
748 enum mlxsw_reg_sfd_rec_action action,
754 sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
758 mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
759 mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic),
760 mac, fid, action, local_port);
761 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
767 static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port,
768 const char *mac, u16 fid, bool adding,
771 return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, adding,
772 MLXSW_REG_SFD_REC_ACTION_NOP, dynamic);
775 int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid,
778 return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, 0, mac, fid, adding,
779 MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER,
783 static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id,
784 const char *mac, u16 fid, u16 lag_vid,
785 bool adding, bool dynamic)
790 sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
794 mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
795 mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic),
796 mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP,
798 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
805 mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port,
806 const struct switchdev_obj_port_fdb *fdb,
807 struct switchdev_trans *trans)
809 u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid);
812 if (switchdev_trans_ph_prepare(trans))
815 if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
816 lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
819 if (!mlxsw_sp_port->lagged)
820 return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp,
821 mlxsw_sp_port->local_port,
822 fdb->addr, fid, true, false);
824 return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp,
825 mlxsw_sp_port->lag_id,
826 fdb->addr, fid, lag_vid,
830 static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr,
831 u16 fid, u16 mid, bool adding)
836 sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
840 mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
841 mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid,
842 MLXSW_REG_SFD_REC_ACTION_NOP, mid);
843 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
848 static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid,
849 bool add, bool clear_all_ports)
851 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
855 smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL);
859 mlxsw_reg_smid_pack(smid_pl, mid, mlxsw_sp_port->local_port, add);
860 if (clear_all_ports) {
861 for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++)
862 if (mlxsw_sp->ports[i])
863 mlxsw_reg_smid_port_mask_set(smid_pl, i, 1);
865 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl);
870 static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp,
871 const unsigned char *addr,
874 struct mlxsw_sp_mid *mid;
876 list_for_each_entry(mid, &mlxsw_sp->br_mids.list, list) {
877 if (ether_addr_equal(mid->addr, addr) && mid->vid == vid)
883 static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp,
884 const unsigned char *addr,
887 struct mlxsw_sp_mid *mid;
890 mid_idx = find_first_zero_bit(mlxsw_sp->br_mids.mapped,
892 if (mid_idx == MLXSW_SP_MID_MAX)
895 mid = kzalloc(sizeof(*mid), GFP_KERNEL);
899 set_bit(mid_idx, mlxsw_sp->br_mids.mapped);
900 ether_addr_copy(mid->addr, addr);
904 list_add_tail(&mid->list, &mlxsw_sp->br_mids.list);
909 static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp *mlxsw_sp,
910 struct mlxsw_sp_mid *mid)
912 if (--mid->ref_count == 0) {
913 list_del(&mid->list);
914 clear_bit(mid->mid, mlxsw_sp->br_mids.mapped);
921 static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,
922 const struct switchdev_obj_port_mdb *mdb,
923 struct switchdev_trans *trans)
925 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
926 struct net_device *dev = mlxsw_sp_port->dev;
927 struct mlxsw_sp_mid *mid;
928 u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid);
931 if (switchdev_trans_ph_prepare(trans))
934 mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid);
936 mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, mdb->vid);
938 netdev_err(dev, "Unable to allocate MC group\n");
944 err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true,
945 mid->ref_count == 1);
947 netdev_err(dev, "Unable to set SMID\n");
951 if (mid->ref_count == 1) {
952 err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid->mid,
955 netdev_err(dev, "Unable to set MC SFD\n");
963 __mlxsw_sp_mc_dec_ref(mlxsw_sp, mid);
967 static int mlxsw_sp_port_obj_add(struct net_device *dev,
968 const struct switchdev_obj *obj,
969 struct switchdev_trans *trans)
971 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
974 mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port);
979 case SWITCHDEV_OBJ_ID_PORT_VLAN:
980 if (mlxsw_sp_port_is_vport(mlxsw_sp_port))
983 err = mlxsw_sp_port_vlans_add(mlxsw_sp_port,
984 SWITCHDEV_OBJ_PORT_VLAN(obj),
987 case SWITCHDEV_OBJ_ID_IPV4_FIB:
988 err = mlxsw_sp_router_fib4_add(mlxsw_sp_port,
989 SWITCHDEV_OBJ_IPV4_FIB(obj),
992 case SWITCHDEV_OBJ_ID_PORT_FDB:
993 err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port,
994 SWITCHDEV_OBJ_PORT_FDB(obj),
997 case SWITCHDEV_OBJ_ID_PORT_MDB:
998 err = mlxsw_sp_port_mdb_add(mlxsw_sp_port,
999 SWITCHDEV_OBJ_PORT_MDB(obj),
1010 static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port,
1011 u16 vid_begin, u16 vid_end, bool init)
1013 struct net_device *dev = mlxsw_sp_port->dev;
1017 if (!init && !mlxsw_sp_port->bridged)
1020 err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end,
1023 netdev_err(dev, "Unable to del VIDs %d-%d\n", vid_begin,
1031 pvid = mlxsw_sp_port->pvid;
1032 if (pvid >= vid_begin && pvid <= vid_end) {
1033 err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0);
1035 netdev_err(dev, "Unable to del PVID %d\n", pvid);
1040 mlxsw_sp_port_fid_leave(mlxsw_sp_port, vid_begin, vid_end);
1043 /* Changing activity bits only if HW operation succeded */
1044 for (vid = vid_begin; vid <= vid_end; vid++)
1045 clear_bit(vid, mlxsw_sp_port->active_vlans);
1050 static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port,
1051 const struct switchdev_obj_port_vlan *vlan)
1053 return __mlxsw_sp_port_vlans_del(mlxsw_sp_port,
1054 vlan->vid_begin, vlan->vid_end, false);
1057 void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port)
1061 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID)
1062 __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vid, vid, false);
1066 mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port,
1067 const struct switchdev_obj_port_fdb *fdb)
1069 u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid);
1072 if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
1073 lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
1076 if (!mlxsw_sp_port->lagged)
1077 return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp,
1078 mlxsw_sp_port->local_port,
1082 return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp,
1083 mlxsw_sp_port->lag_id,
1084 fdb->addr, fid, lag_vid,
1088 static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,
1089 const struct switchdev_obj_port_mdb *mdb)
1091 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1092 struct net_device *dev = mlxsw_sp_port->dev;
1093 struct mlxsw_sp_mid *mid;
1094 u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid);
1098 mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid);
1100 netdev_err(dev, "Unable to remove port from MC DB\n");
1104 err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false, false);
1106 netdev_err(dev, "Unable to remove port from SMID\n");
1109 if (__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid)) {
1110 err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid_idx,
1113 netdev_err(dev, "Unable to remove MC SFD\n");
1119 static int mlxsw_sp_port_obj_del(struct net_device *dev,
1120 const struct switchdev_obj *obj)
1122 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1125 mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port);
1130 case SWITCHDEV_OBJ_ID_PORT_VLAN:
1131 if (mlxsw_sp_port_is_vport(mlxsw_sp_port))
1134 err = mlxsw_sp_port_vlans_del(mlxsw_sp_port,
1135 SWITCHDEV_OBJ_PORT_VLAN(obj));
1137 case SWITCHDEV_OBJ_ID_IPV4_FIB:
1138 err = mlxsw_sp_router_fib4_del(mlxsw_sp_port,
1139 SWITCHDEV_OBJ_IPV4_FIB(obj));
1141 case SWITCHDEV_OBJ_ID_PORT_FDB:
1142 err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port,
1143 SWITCHDEV_OBJ_PORT_FDB(obj));
1145 case SWITCHDEV_OBJ_ID_PORT_MDB:
1146 err = mlxsw_sp_port_mdb_del(mlxsw_sp_port,
1147 SWITCHDEV_OBJ_PORT_MDB(obj));
1157 static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp,
1160 struct mlxsw_sp_port *mlxsw_sp_port;
1163 for (i = 0; i < MLXSW_SP_PORT_PER_LAG_MAX; i++) {
1164 mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i);
1166 return mlxsw_sp_port;
1171 static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port,
1172 struct switchdev_obj_port_fdb *fdb,
1173 switchdev_obj_dump_cb_t *cb,
1174 struct net_device *orig_dev)
1176 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1177 struct mlxsw_sp_port *tmp;
1178 struct mlxsw_sp_fid *f;
1190 sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
1194 f = mlxsw_sp_vport_fid_get(mlxsw_sp_port);
1195 vport_fid = f ? f->fid : 0;
1197 mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0);
1199 mlxsw_reg_sfd_num_rec_set(sfd_pl, MLXSW_REG_SFD_REC_MAX_COUNT);
1200 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
1204 num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
1206 /* Even in case of error, we have to run the dump to the end
1207 * so the session in firmware is finished.
1212 for (i = 0; i < num_rec; i++) {
1213 switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) {
1214 case MLXSW_REG_SFD_REC_TYPE_UNICAST:
1215 mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, &fid,
1217 if (local_port == mlxsw_sp_port->local_port) {
1218 if (vport_fid && vport_fid == fid)
1220 else if (!vport_fid &&
1221 !mlxsw_sp_fid_is_vfid(fid))
1225 ether_addr_copy(fdb->addr, mac);
1226 fdb->ndm_state = NUD_REACHABLE;
1227 err = cb(&fdb->obj);
1232 case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG:
1233 mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i,
1234 mac, &fid, &lag_id);
1235 tmp = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id);
1236 if (tmp && tmp->local_port ==
1237 mlxsw_sp_port->local_port) {
1238 /* LAG records can only point to LAG
1239 * devices or VLAN devices on top.
1241 if (!netif_is_lag_master(orig_dev) &&
1242 !is_vlan_dev(orig_dev))
1244 if (vport_fid && vport_fid == fid)
1246 else if (!vport_fid &&
1247 !mlxsw_sp_fid_is_vfid(fid))
1251 ether_addr_copy(fdb->addr, mac);
1252 fdb->ndm_state = NUD_REACHABLE;
1253 err = cb(&fdb->obj);
1260 } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT);
1264 return stored_err ? stored_err : err;
1267 static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port,
1268 struct switchdev_obj_port_vlan *vlan,
1269 switchdev_obj_dump_cb_t *cb)
1274 if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
1276 vlan->vid_begin = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
1277 vlan->vid_end = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
1278 return cb(&vlan->obj);
1281 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) {
1283 if (vid == mlxsw_sp_port->pvid)
1284 vlan->flags |= BRIDGE_VLAN_INFO_PVID;
1285 if (test_bit(vid, mlxsw_sp_port->untagged_vlans))
1286 vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
1287 vlan->vid_begin = vid;
1288 vlan->vid_end = vid;
1289 err = cb(&vlan->obj);
1296 static int mlxsw_sp_port_obj_dump(struct net_device *dev,
1297 struct switchdev_obj *obj,
1298 switchdev_obj_dump_cb_t *cb)
1300 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1303 mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port);
1308 case SWITCHDEV_OBJ_ID_PORT_VLAN:
1309 err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port,
1310 SWITCHDEV_OBJ_PORT_VLAN(obj), cb);
1312 case SWITCHDEV_OBJ_ID_PORT_FDB:
1313 err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port,
1314 SWITCHDEV_OBJ_PORT_FDB(obj), cb,
1325 static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = {
1326 .switchdev_port_attr_get = mlxsw_sp_port_attr_get,
1327 .switchdev_port_attr_set = mlxsw_sp_port_attr_set,
1328 .switchdev_port_obj_add = mlxsw_sp_port_obj_add,
1329 .switchdev_port_obj_del = mlxsw_sp_port_obj_del,
1330 .switchdev_port_obj_dump = mlxsw_sp_port_obj_dump,
1333 static void mlxsw_sp_fdb_call_notifiers(bool learning_sync, bool adding,
1335 struct net_device *dev)
1337 struct switchdev_notifier_fdb_info info;
1338 unsigned long notifier_type;
1340 if (learning_sync) {
1343 notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL;
1344 call_switchdev_notifiers(notifier_type, dev, &info.info);
1348 static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
1349 char *sfn_pl, int rec_index,
1352 struct mlxsw_sp_port *mlxsw_sp_port;
1356 bool do_notification = true;
1359 mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port);
1360 mlxsw_sp_port = mlxsw_sp->ports[local_port];
1361 if (!mlxsw_sp_port) {
1362 dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n");
1366 if (mlxsw_sp_fid_is_vfid(fid)) {
1367 struct mlxsw_sp_port *mlxsw_sp_vport;
1369 mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_fid(mlxsw_sp_port,
1371 if (!mlxsw_sp_vport) {
1372 netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n");
1376 /* Override the physical port with the vPort. */
1377 mlxsw_sp_port = mlxsw_sp_vport;
1382 adding = adding && mlxsw_sp_port->learning;
1385 err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid,
1388 if (net_ratelimit())
1389 netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n");
1393 if (!do_notification)
1395 mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync,
1396 adding, mac, vid, mlxsw_sp_port->dev);
1401 do_notification = false;
1405 static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp,
1406 char *sfn_pl, int rec_index,
1409 struct mlxsw_sp_port *mlxsw_sp_port;
1410 struct net_device *dev;
1415 bool do_notification = true;
1418 mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id);
1419 mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id);
1420 if (!mlxsw_sp_port) {
1421 dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n");
1425 if (mlxsw_sp_fid_is_vfid(fid)) {
1426 struct mlxsw_sp_port *mlxsw_sp_vport;
1428 mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_fid(mlxsw_sp_port,
1430 if (!mlxsw_sp_vport) {
1431 netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n");
1435 lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
1436 dev = mlxsw_sp_vport->dev;
1438 /* Override the physical port with the vPort. */
1439 mlxsw_sp_port = mlxsw_sp_vport;
1441 dev = mlxsw_sp_lag_get(mlxsw_sp, lag_id)->dev;
1445 adding = adding && mlxsw_sp_port->learning;
1448 err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid,
1451 if (net_ratelimit())
1452 netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n");
1456 if (!do_notification)
1458 mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, adding, mac,
1464 do_notification = false;
1468 static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp,
1469 char *sfn_pl, int rec_index)
1471 switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) {
1472 case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC:
1473 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl,
1476 case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC:
1477 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl,
1480 case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG:
1481 mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl,
1484 case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG:
1485 mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl,
1491 static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp)
1493 mlxsw_core_schedule_dw(&mlxsw_sp->fdb_notify.dw,
1494 msecs_to_jiffies(mlxsw_sp->fdb_notify.interval));
1497 static void mlxsw_sp_fdb_notify_work(struct work_struct *work)
1499 struct mlxsw_sp *mlxsw_sp;
1505 sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL);
1509 mlxsw_sp = container_of(work, struct mlxsw_sp, fdb_notify.dw.work);
1513 mlxsw_reg_sfn_pack(sfn_pl);
1514 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl);
1516 dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n");
1519 num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl);
1520 for (i = 0; i < num_rec; i++)
1521 mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i);
1527 mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
1530 static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp)
1534 err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME);
1536 dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n");
1539 INIT_DELAYED_WORK(&mlxsw_sp->fdb_notify.dw, mlxsw_sp_fdb_notify_work);
1540 mlxsw_sp->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL;
1541 mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
1545 static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp)
1547 cancel_delayed_work_sync(&mlxsw_sp->fdb_notify.dw);
1550 int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
1552 return mlxsw_sp_fdb_init(mlxsw_sp);
1555 void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp)
1557 mlxsw_sp_fdb_fini(mlxsw_sp);
1560 int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port)
1562 struct net_device *dev = mlxsw_sp_port->dev;
1565 /* Allow only untagged packets to ingress and tag them internally
1568 mlxsw_sp_port->pvid = 1;
1569 err = __mlxsw_sp_port_vlans_del(mlxsw_sp_port, 0, VLAN_N_VID - 1,
1572 netdev_err(dev, "Unable to init VLANs\n");
1576 /* Add implicit VLAN interface in the device, so that untagged
1577 * packets will be classified to the default vFID.
1579 err = mlxsw_sp_port_add_vid(dev, 0, 1);
1581 netdev_err(dev, "Failed to configure default vFID\n");
1586 void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port)
1588 mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops;
1591 void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port)