drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c

   1 /*
   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>
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are met:
  10  *
  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.
  19  *
  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.
  23  *
  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.
  35  */
  36
  37 #include <linux/kernel.h>
  38 #include <linux/types.h>
  39 #include <linux/netdevice.h>
  40 #include <linux/etherdevice.h>
  41 #include <linux/slab.h>
  42 #include <linux/device.h>
  43 #include <linux/skbuff.h>
  44 #include <linux/if_vlan.h>
  45 #include <linux/if_bridge.h>
  46 #include <linux/workqueue.h>
  47 #include <linux/jiffies.h>
  48 #include <net/switchdev.h>
  49
  50 #include "spectrum.h"
  51 #include "core.h"
  52 #include "reg.h"
  53
  54 static struct mlxsw_sp_port *
  55 mlxsw_sp_port_orig_get(struct net_device *dev,
  56                        struct mlxsw_sp_port *mlxsw_sp_port)
  57 {
  58         struct mlxsw_sp_port *mlxsw_sp_vport;
  59         u16 vid;
  60
  61         if (!is_vlan_dev(dev))
  62                 return mlxsw_sp_port;
  63
  64         vid = vlan_dev_vlan_id(dev);
  65         mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid);
  66         WARN_ON(!mlxsw_sp_vport);
  67
  68         return mlxsw_sp_vport;
  69 }
  70
  71 static int mlxsw_sp_port_attr_get(struct net_device *dev,
  72                                   struct switchdev_attr *attr)
  73 {
  74         struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
  75         struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
  76
  77         mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port);
  78         if (!mlxsw_sp_port)
  79                 return -EINVAL;
  80
  81         switch (attr->id) {
  82         case SWITCHDEV_ATTR_ID_PORT_PARENT_ID:
  83                 attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac);
  84                 memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac,
  85                        attr->u.ppid.id_len);
  86                 break;
  87         case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
  88                 attr->u.brport_flags =
  89                         (mlxsw_sp_port->learning ? BR_LEARNING : 0) |
  90                         (mlxsw_sp_port->learning_sync ? BR_LEARNING_SYNC : 0) |
  91                         (mlxsw_sp_port->uc_flood ? BR_FLOOD : 0);
  92                 break;
  93         default:
  94                 return -EOPNOTSUPP;
  95         }
  96
  97         return 0;
  98 }
  99
 100 static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port,
 101                                        u8 state)
 102 {
 103         struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
 104         enum mlxsw_reg_spms_state spms_state;
 105         char *spms_pl;
 106         u16 vid;
 107         int err;
 108
 109         switch (state) {
 110         case BR_STATE_DISABLED: /* fall-through */
 111         case BR_STATE_FORWARDING:
 112                 spms_state = MLXSW_REG_SPMS_STATE_FORWARDING;
 113                 break;
 114         case BR_STATE_LISTENING: /* fall-through */
 115         case BR_STATE_LEARNING:
 116                 spms_state = MLXSW_REG_SPMS_STATE_LEARNING;
 117                 break;
 118         case BR_STATE_BLOCKING:
 119                 spms_state = MLXSW_REG_SPMS_STATE_DISCARDING;
 120                 break;
 121         default:
 122                 BUG();
 123         }
 124
 125         spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL);
 126         if (!spms_pl)
 127                 return -ENOMEM;
 128         mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port);
 129
 130         if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
 131                 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
 132                 mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);
 133         } else {
 134                 for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID)
 135                         mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);
 136         }
 137
 138         err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl);
 139         kfree(spms_pl);
 140         return err;
 141 }
 142
 143 static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port,
 144                                             struct switchdev_trans *trans,
 145                                             u8 state)
 146 {
 147         if (switchdev_trans_ph_prepare(trans))
 148                 return 0;
 149
 150         mlxsw_sp_port->stp_state = state;
 151         return mlxsw_sp_port_stp_state_set(mlxsw_sp_port, state);
 152 }
 153
 154 static bool mlxsw_sp_vfid_is_vport_br(u16 vfid)
 155 {
 156         return vfid >= MLXSW_SP_VFID_PORT_MAX;
 157 }
 158
 159 static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port,
 160                                      u16 idx_begin, u16 idx_end, bool set,
 161                                      bool only_uc)
 162 {
 163         struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
 164         u16 local_port = mlxsw_sp_port->local_port;
 165         enum mlxsw_flood_table_type table_type;
 166         u16 range = idx_end - idx_begin + 1;
 167         char *sftr_pl;
 168         int err;
 169
 170         if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
 171                 table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID;
 172                 if (mlxsw_sp_vfid_is_vport_br(idx_begin))
 173                         local_port = mlxsw_sp_port->local_port;
 174                 else
 175                         local_port = MLXSW_PORT_CPU_PORT;
 176         } else {
 177                 table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST;
 178         }
 179
 180         sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL);
 181         if (!sftr_pl)
 182                 return -ENOMEM;
 183
 184         mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin,
 185                             table_type, range, local_port, set);
 186         err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl);
 187         if (err)
 188                 goto buffer_out;
 189
 190         /* Flooding control allows one to decide whether a given port will
 191          * flood unicast traffic for which there is no FDB entry.
 192          */
 193         if (only_uc)
 194                 goto buffer_out;
 195
 196         mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, idx_begin,
 197                             table_type, range, local_port, set);
 198         err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl);
 199
 200 buffer_out:
 201         kfree(sftr_pl);
 202         return err;
 203 }
 204
 205 static int mlxsw_sp_port_uc_flood_set(struct mlxsw_sp_port *mlxsw_sp_port,
 206                                       bool set)
 207 {
 208         struct net_device *dev = mlxsw_sp_port->dev;
 209         u16 vid, last_visited_vid;
 210         int err;
 211
 212         if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
 213                 u16 vfid = mlxsw_sp_vport_vfid_get(mlxsw_sp_port);
 214
 215                 return  __mlxsw_sp_port_flood_set(mlxsw_sp_port, vfid, vfid,
 216                                                   set, true);
 217         }
 218
 219         for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) {
 220                 err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, set,
 221                                                 true);
 222                 if (err) {
 223                         last_visited_vid = vid;
 224                         goto err_port_flood_set;
 225                 }
 226         }
 227
 228         return 0;
 229
 230 err_port_flood_set:
 231         for_each_set_bit(vid, mlxsw_sp_port->active_vlans, last_visited_vid)
 232                 __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, !set, true);
 233         netdev_err(dev, "Failed to configure unicast flooding\n");
 234         return err;
 235 }
 236
 237 int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 vfid,
 238                              bool set, bool only_uc)
 239 {
 240         /* In case of vFIDs, index into the flooding table is relative to
 241          * the start of the vFIDs range.
 242          */
 243         return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set,
 244                                          only_uc);
 245 }
 246
 247 static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port,
 248                                            struct switchdev_trans *trans,
 249                                            unsigned long brport_flags)
 250 {
 251         unsigned long uc_flood = mlxsw_sp_port->uc_flood ? BR_FLOOD : 0;
 252         bool set;
 253         int err;
 254
 255         if (switchdev_trans_ph_prepare(trans))
 256                 return 0;
 257
 258         if ((uc_flood ^ brport_flags) & BR_FLOOD) {
 259                 set = mlxsw_sp_port->uc_flood ? false : true;
 260                 err = mlxsw_sp_port_uc_flood_set(mlxsw_sp_port, set);
 261                 if (err)
 262                         return err;
 263         }
 264
 265         mlxsw_sp_port->uc_flood = brport_flags & BR_FLOOD ? 1 : 0;
 266         mlxsw_sp_port->learning = brport_flags & BR_LEARNING ? 1 : 0;
 267         mlxsw_sp_port->learning_sync = brport_flags & BR_LEARNING_SYNC ? 1 : 0;
 268
 269         return 0;
 270 }
 271
 272 static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time)
 273 {
 274         char sfdat_pl[MLXSW_REG_SFDAT_LEN];
 275         int err;
 276
 277         mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time);
 278         err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl);
 279         if (err)
 280                 return err;
 281         mlxsw_sp->ageing_time = ageing_time;
 282         return 0;
 283 }
 284
 285 static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port,
 286                                             struct switchdev_trans *trans,
 287                                             unsigned long ageing_clock_t)
 288 {
 289         struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
 290         unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t);
 291         u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000;
 292
 293         if (switchdev_trans_ph_prepare(trans))
 294                 return 0;
 295
 296         return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time);
 297 }
 298
 299 static int mlxsw_sp_port_attr_set(struct net_device *dev,
 300                                   const struct switchdev_attr *attr,
 301                                   struct switchdev_trans *trans)
 302 {
 303         struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
 304         int err = 0;
 305
 306         mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port);
 307         if (!mlxsw_sp_port)
 308                 return -EINVAL;
 309
 310         switch (attr->id) {
 311         case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
 312                 err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans,
 313                                                        attr->u.stp_state);
 314                 break;
 315         case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
 316                 err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans,
 317                                                       attr->u.brport_flags);
 318                 break;
 319         case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
 320                 err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans,
 321                                                        attr->u.ageing_time);
 322                 break;
 323         default:
 324                 err = -EOPNOTSUPP;
 325                 break;
 326         }
 327
 328         return err;
 329 }
 330
 331 static int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
 332 {
 333         struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
 334         char spvid_pl[MLXSW_REG_SPVID_LEN];
 335
 336         mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid);
 337         return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl);
 338 }
 339
 340 static int mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp, u16 fid)
 341 {
 342         char sfmr_pl[MLXSW_REG_SFMR_LEN];
 343         int err;
 344
 345         mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_CREATE_FID, fid, fid);
 346         err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl);
 347
 348         if (err)
 349                 return err;
 350
 351         set_bit(fid, mlxsw_sp->active_fids);
 352         return 0;
 353 }
 354
 355 static void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp, u16 fid)
 356 {
 357         char sfmr_pl[MLXSW_REG_SFMR_LEN];
 358
 359         clear_bit(fid, mlxsw_sp->active_fids);
 360
 361         mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_DESTROY_FID,
 362                             fid, fid);
 363         mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl);
 364 }
 365
 366 static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid)
 367 {
 368         enum mlxsw_reg_svfa_mt mt;
 369
 370         if (!list_empty(&mlxsw_sp_port->vports_list))
 371                 mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID;
 372         else
 373                 mt = MLXSW_REG_SVFA_MT_VID_TO_FID;
 374
 375         return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, true, fid, fid);
 376 }
 377
 378 static int mlxsw_sp_port_fid_unmap(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid)
 379 {
 380         enum mlxsw_reg_svfa_mt mt;
 381
 382         if (list_empty(&mlxsw_sp_port->vports_list))
 383                 return 0;
 384
 385         mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID;
 386         return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, false, fid, fid);
 387 }
 388
 389 static int mlxsw_sp_port_add_vids(struct net_device *dev, u16 vid_begin,
 390                                   u16 vid_end)
 391 {
 392         u16 vid;
 393         int err;
 394
 395         for (vid = vid_begin; vid <= vid_end; vid++) {
 396                 err = mlxsw_sp_port_add_vid(dev, 0, vid);
 397                 if (err)
 398                         goto err_port_add_vid;
 399         }
 400         return 0;
 401
 402 err_port_add_vid:
 403         for (vid--; vid >= vid_begin; vid--)
 404                 mlxsw_sp_port_kill_vid(dev, 0, vid);
 405         return err;
 406 }
 407
 408 static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port *mlxsw_sp_port,
 409                                      u16 vid_begin, u16 vid_end, bool is_member,
 410                                      bool untagged)
 411 {
 412         u16 vid, vid_e;
 413         int err;
 414
 415         for (vid = vid_begin; vid <= vid_end;
 416              vid += MLXSW_REG_SPVM_REC_MAX_COUNT) {
 417                 vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1),
 418                             vid_end);
 419
 420                 err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e,
 421                                              is_member, untagged);
 422                 if (err)
 423                         return err;
 424         }
 425
 426         return 0;
 427 }
 428
 429 static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port,
 430                                      u16 vid_begin, u16 vid_end,
 431                                      bool flag_untagged, bool flag_pvid)
 432 {
 433         struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
 434         struct net_device *dev = mlxsw_sp_port->dev;
 435         u16 vid, last_visited_vid, old_pvid;
 436         enum mlxsw_reg_svfa_mt mt;
 437         int err;
 438
 439         /* In case this is invoked with BRIDGE_FLAGS_SELF and port is
 440          * not bridged, then packets ingressing through the port with
 441          * the specified VIDs will be directed to CPU.
 442          */
 443         if (!mlxsw_sp_port->bridged)
 444                 return mlxsw_sp_port_add_vids(dev, vid_begin, vid_end);
 445
 446         for (vid = vid_begin; vid <= vid_end; vid++) {
 447                 if (!test_bit(vid, mlxsw_sp->active_fids)) {
 448                         err = mlxsw_sp_fid_create(mlxsw_sp, vid);
 449                         if (err) {
 450                                 netdev_err(dev, "Failed to create FID=%d\n",
 451                                            vid);
 452                                 return err;
 453                         }
 454
 455                         /* When creating a FID, we set a VID to FID mapping
 456                          * regardless of the port's mode.
 457                          */
 458                         mt = MLXSW_REG_SVFA_MT_VID_TO_FID;
 459                         err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt,
 460                                                            true, vid, vid);
 461                         if (err) {
 462                                 netdev_err(dev, "Failed to create FID=VID=%d mapping\n",
 463                                            vid);
 464                                 goto err_port_vid_to_fid_set;
 465                         }
 466                 }
 467         }
 468
 469         /* Set FID mapping according to port's mode */
 470         for (vid = vid_begin; vid <= vid_end; vid++) {
 471                 err = mlxsw_sp_port_fid_map(mlxsw_sp_port, vid);
 472                 if (err) {
 473                         netdev_err(dev, "Failed to map FID=%d", vid);
 474                         last_visited_vid = --vid;
 475                         goto err_port_fid_map;
 476                 }
 477         }
 478
 479         err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end,
 480                                         true, false);
 481         if (err) {
 482                 netdev_err(dev, "Failed to configure flooding\n");
 483                 goto err_port_flood_set;
 484         }
 485
 486         err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end,
 487                                         true, flag_untagged);
 488         if (err) {
 489                 netdev_err(dev, "Unable to add VIDs %d-%d\n", vid_begin,
 490                            vid_end);
 491                 goto err_port_vlans_set;
 492         }
 493
 494         old_pvid = mlxsw_sp_port->pvid;
 495         if (flag_pvid && old_pvid != vid_begin) {
 496                 err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid_begin);
 497                 if (err) {
 498                         netdev_err(dev, "Unable to add PVID %d\n", vid_begin);
 499                         goto err_port_pvid_set;
 500                 }
 501                 mlxsw_sp_port->pvid = vid_begin;
 502         }
 503
 504         /* Changing activity bits only if HW operation succeded */
 505         for (vid = vid_begin; vid <= vid_end; vid++)
 506                 set_bit(vid, mlxsw_sp_port->active_vlans);
 507
 508         /* STP state change must be done after we set active VLANs */
 509         err = mlxsw_sp_port_stp_state_set(mlxsw_sp_port,
 510                                           mlxsw_sp_port->stp_state);
 511         if (err) {
 512                 netdev_err(dev, "Failed to set STP state\n");
 513                 goto err_port_stp_state_set;
 514         }
 515
 516         return 0;
 517
 518 err_port_vid_to_fid_set:
 519         mlxsw_sp_fid_destroy(mlxsw_sp, vid);
 520         return err;
 521
 522 err_port_stp_state_set:
 523         for (vid = vid_begin; vid <= vid_end; vid++)
 524                 clear_bit(vid, mlxsw_sp_port->active_vlans);
 525         if (old_pvid != mlxsw_sp_port->pvid)
 526                 mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid);
 527 err_port_pvid_set:
 528         __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false,
 529                                   false);
 530 err_port_vlans_set:
 531         __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, false,
 532                                   false);
 533 err_port_flood_set:
 534         last_visited_vid = vid_end;
 535 err_port_fid_map:
 536         for (vid = last_visited_vid; vid >= vid_begin; vid--)
 537                 mlxsw_sp_port_fid_unmap(mlxsw_sp_port, vid);
 538         return err;
 539 }
 540
 541 static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port,
 542                                    const struct switchdev_obj_port_vlan *vlan,
 543                                    struct switchdev_trans *trans)
 544 {
 545         bool untagged_flag = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
 546         bool pvid_flag = vlan->flags & BRIDGE_VLAN_INFO_PVID;
 547
 548         if (switchdev_trans_ph_prepare(trans))
 549                 return 0;
 550
 551         return __mlxsw_sp_port_vlans_add(mlxsw_sp_port,
 552                                          vlan->vid_begin, vlan->vid_end,
 553                                          untagged_flag, pvid_flag);
 554 }
 555
 556 static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic)
 557 {
 558         return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS :
 559                          MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY;
 560 }
 561
 562 static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding)
 563 {
 564         return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT :
 565                         MLXSW_REG_SFD_OP_WRITE_REMOVE;
 566 }
 567
 568 static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp_port *mlxsw_sp_port,
 569                                    const char *mac, u16 fid, bool adding,
 570                                    bool dynamic)
 571 {
 572         struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
 573         char *sfd_pl;
 574         int err;
 575
 576         sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
 577         if (!sfd_pl)
 578                 return -ENOMEM;
 579
 580         mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
 581         mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic),
 582                               mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP,
 583                               mlxsw_sp_port->local_port);
 584         err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
 585         kfree(sfd_pl);
 586
 587         return err;
 588 }
 589
 590 static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id,
 591                                        const char *mac, u16 fid, u16 lag_vid,
 592                                        bool adding, bool dynamic)
 593 {
 594         char *sfd_pl;
 595         int err;
 596
 597         sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
 598         if (!sfd_pl)
 599                 return -ENOMEM;
 600
 601         mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
 602         mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic),
 603                                   mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP,
 604                                   lag_vid, lag_id);
 605         err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
 606         kfree(sfd_pl);
 607
 608         return err;
 609 }
 610
 611 static int
 612 mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port,
 613                              const struct switchdev_obj_port_fdb *fdb,
 614                              struct switchdev_trans *trans)
 615 {
 616         u16 fid = fdb->vid;
 617         u16 lag_vid = 0;
 618
 619         if (switchdev_trans_ph_prepare(trans))
 620                 return 0;
 621
 622         if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
 623                 u16 vfid = mlxsw_sp_vport_vfid_get(mlxsw_sp_port);
 624
 625                 fid = mlxsw_sp_vfid_to_fid(vfid);
 626                 lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
 627         }
 628
 629         if (!fid)
 630                 fid = mlxsw_sp_port->pvid;
 631
 632         if (!mlxsw_sp_port->lagged)
 633                 return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port,
 634                                                fdb->addr, fid, true, false);
 635         else
 636                 return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp,
 637                                                    mlxsw_sp_port->lag_id,
 638                                                    fdb->addr, fid, lag_vid,
 639                                                    true, false);
 640 }
 641
 642 static int mlxsw_sp_port_obj_add(struct net_device *dev,
 643                                  const struct switchdev_obj *obj,
 644                                  struct switchdev_trans *trans)
 645 {
 646         struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
 647         int err = 0;
 648
 649         mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port);
 650         if (!mlxsw_sp_port)
 651                 return -EINVAL;
 652
 653         switch (obj->id) {
 654         case SWITCHDEV_OBJ_ID_PORT_VLAN:
 655                 if (mlxsw_sp_port_is_vport(mlxsw_sp_port))
 656                         return 0;
 657
 658                 err = mlxsw_sp_port_vlans_add(mlxsw_sp_port,
 659                                               SWITCHDEV_OBJ_PORT_VLAN(obj),
 660                                               trans);
 661                 break;
 662         case SWITCHDEV_OBJ_ID_PORT_FDB:
 663                 err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port,
 664                                                    SWITCHDEV_OBJ_PORT_FDB(obj),
 665                                                    trans);
 666                 break;
 667         default:
 668                 err = -EOPNOTSUPP;
 669                 break;
 670         }
 671
 672         return err;
 673 }
 674
 675 static int mlxsw_sp_port_kill_vids(struct net_device *dev, u16 vid_begin,
 676                                    u16 vid_end)
 677 {
 678         u16 vid;
 679         int err;
 680
 681         for (vid = vid_begin; vid <= vid_end; vid++) {
 682                 err = mlxsw_sp_port_kill_vid(dev, 0, vid);
 683                 if (err)
 684                         return err;
 685         }
 686
 687         return 0;
 688 }
 689
 690 static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port,
 691                                      u16 vid_begin, u16 vid_end, bool init)
 692 {
 693         struct net_device *dev = mlxsw_sp_port->dev;
 694         u16 vid, pvid;
 695         int err;
 696
 697         /* In case this is invoked with BRIDGE_FLAGS_SELF and port is
 698          * not bridged, then prevent packets ingressing through the
 699          * port with the specified VIDs from being trapped to CPU.
 700          */
 701         if (!init && !mlxsw_sp_port->bridged)
 702                 return mlxsw_sp_port_kill_vids(dev, vid_begin, vid_end);
 703
 704         err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end,
 705                                         false, false);
 706         if (err) {
 707                 netdev_err(dev, "Unable to del VIDs %d-%d\n", vid_begin,
 708                            vid_end);
 709                 return err;
 710         }
 711
 712         pvid = mlxsw_sp_port->pvid;
 713         if (pvid >= vid_begin && pvid <= vid_end && pvid != 1) {
 714                 /* Default VLAN is always 1 */
 715                 err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1);
 716                 if (err) {
 717                         netdev_err(dev, "Unable to del PVID %d\n", pvid);
 718                         return err;
 719                 }
 720                 mlxsw_sp_port->pvid = 1;
 721         }
 722
 723         if (init)
 724                 goto out;
 725
 726         err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end,
 727                                         false, false);
 728         if (err) {
 729                 netdev_err(dev, "Failed to clear flooding\n");
 730                 return err;
 731         }
 732
 733         for (vid = vid_begin; vid <= vid_end; vid++) {
 734                 /* Remove FID mapping in case of Virtual mode */
 735                 err = mlxsw_sp_port_fid_unmap(mlxsw_sp_port, vid);
 736                 if (err) {
 737                         netdev_err(dev, "Failed to unmap FID=%d", vid);
 738                         return err;
 739                 }
 740         }
 741
 742 out:
 743         /* Changing activity bits only if HW operation succeded */
 744         for (vid = vid_begin; vid <= vid_end; vid++)
 745                 clear_bit(vid, mlxsw_sp_port->active_vlans);
 746
 747         return 0;
 748 }
 749
 750 static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port,
 751                                    const struct switchdev_obj_port_vlan *vlan)
 752 {
 753         return __mlxsw_sp_port_vlans_del(mlxsw_sp_port,
 754                                          vlan->vid_begin, vlan->vid_end, false);
 755 }
 756
 757 static int
 758 mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port,
 759                              const struct switchdev_obj_port_fdb *fdb)
 760 {
 761         u16 fid = fdb->vid;
 762         u16 lag_vid = 0;
 763
 764         if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
 765                 u16 vfid = mlxsw_sp_vport_vfid_get(mlxsw_sp_port);
 766
 767                 fid = mlxsw_sp_vfid_to_fid(vfid);
 768                 lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
 769         }
 770
 771         if (!mlxsw_sp_port->lagged)
 772                 return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port,
 773                                                fdb->addr, fid,
 774                                                false, false);
 775         else
 776                 return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp,
 777                                                    mlxsw_sp_port->lag_id,
 778                                                    fdb->addr, fid, lag_vid,
 779                                                    false, false);
 780 }
 781
 782 static int mlxsw_sp_port_obj_del(struct net_device *dev,
 783                                  const struct switchdev_obj *obj)
 784 {
 785         struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
 786         int err = 0;
 787
 788         mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port);
 789         if (!mlxsw_sp_port)
 790                 return -EINVAL;
 791
 792         switch (obj->id) {
 793         case SWITCHDEV_OBJ_ID_PORT_VLAN:
 794                 if (mlxsw_sp_port_is_vport(mlxsw_sp_port))
 795                         return 0;
 796
 797                 err = mlxsw_sp_port_vlans_del(mlxsw_sp_port,
 798                                               SWITCHDEV_OBJ_PORT_VLAN(obj));
 799                 break;
 800         case SWITCHDEV_OBJ_ID_PORT_FDB:
 801                 err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port,
 802                                                    SWITCHDEV_OBJ_PORT_FDB(obj));
 803                 break;
 804         default:
 805                 err = -EOPNOTSUPP;
 806                 break;
 807         }
 808
 809         return err;
 810 }
 811
 812 static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp,
 813                                                    u16 lag_id)
 814 {
 815         struct mlxsw_sp_port *mlxsw_sp_port;
 816         int i;
 817
 818         for (i = 0; i < MLXSW_SP_PORT_PER_LAG_MAX; i++) {
 819                 mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i);
 820                 if (mlxsw_sp_port)
 821                         return mlxsw_sp_port;
 822         }
 823         return NULL;
 824 }
 825
 826 static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port,
 827                                   struct switchdev_obj_port_fdb *fdb,
 828                                   switchdev_obj_dump_cb_t *cb)
 829 {
 830         struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
 831         u16 vport_vid = 0, vport_fid = 0;
 832         char *sfd_pl;
 833         char mac[ETH_ALEN];
 834         u16 fid;
 835         u8 local_port;
 836         u16 lag_id;
 837         u8 num_rec;
 838         int stored_err = 0;
 839         int i;
 840         int err;
 841
 842         sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
 843         if (!sfd_pl)
 844                 return -ENOMEM;
 845
 846         if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
 847                 u16 tmp;
 848
 849                 tmp = mlxsw_sp_vport_vfid_get(mlxsw_sp_port);
 850                 vport_fid = mlxsw_sp_vfid_to_fid(tmp);
 851                 vport_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
 852         }
 853
 854         mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0);
 855         do {
 856                 mlxsw_reg_sfd_num_rec_set(sfd_pl, MLXSW_REG_SFD_REC_MAX_COUNT);
 857                 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
 858                 if (err)
 859                         goto out;
 860
 861                 num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
 862
 863                 /* Even in case of error, we have to run the dump to the end
 864                  * so the session in firmware is finished.
 865                  */
 866                 if (stored_err)
 867                         continue;
 868
 869                 for (i = 0; i < num_rec; i++) {
 870                         switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) {
 871                         case MLXSW_REG_SFD_REC_TYPE_UNICAST:
 872                                 mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, &fid,
 873                                                         &local_port);
 874                                 if (local_port == mlxsw_sp_port->local_port) {
 875                                         if (vport_fid && vport_fid != fid)
 876                                                 continue;
 877                                         else if (vport_fid)
 878                                                 fdb->vid = vport_vid;
 879                                         else
 880                                                 fdb->vid = fid;
 881                                         ether_addr_copy(fdb->addr, mac);
 882                                         fdb->ndm_state = NUD_REACHABLE;
 883                                         err = cb(&fdb->obj);
 884                                         if (err)
 885                                                 stored_err = err;
 886                                 }
 887                                 break;
 888                         case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG:
 889                                 mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i,
 890                                                             mac, &fid, &lag_id);
 891                                 if (mlxsw_sp_port ==
 892                                     mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id)) {
 893                                         if (vport_fid && vport_fid != fid)
 894                                                 continue;
 895                                         else if (vport_fid)
 896                                                 fdb->vid = vport_vid;
 897                                         else
 898                                                 fdb->vid = fid;
 899                                         ether_addr_copy(fdb->addr, mac);
 900                                         fdb->ndm_state = NUD_REACHABLE;
 901                                         err = cb(&fdb->obj);
 902                                         if (err)
 903                                                 stored_err = err;
 904                                 }
 905                                 break;
 906                         }
 907                 }
 908         } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT);
 909
 910 out:
 911         kfree(sfd_pl);
 912         return stored_err ? stored_err : err;
 913 }
 914
 915 static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port,
 916                                    struct switchdev_obj_port_vlan *vlan,
 917                                    switchdev_obj_dump_cb_t *cb)
 918 {
 919         u16 vid;
 920         int err = 0;
 921
 922         if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) {
 923                 vlan->flags = 0;
 924                 vlan->vid_begin = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
 925                 vlan->vid_end = mlxsw_sp_vport_vid_get(mlxsw_sp_port);
 926                 return cb(&vlan->obj);
 927         }
 928
 929         for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) {
 930                 vlan->flags = 0;
 931                 if (vid == mlxsw_sp_port->pvid)
 932                         vlan->flags |= BRIDGE_VLAN_INFO_PVID;
 933                 vlan->vid_begin = vid;
 934                 vlan->vid_end = vid;
 935                 err = cb(&vlan->obj);
 936                 if (err)
 937                         break;
 938         }
 939         return err;
 940 }
 941
 942 static int mlxsw_sp_port_obj_dump(struct net_device *dev,
 943                                   struct switchdev_obj *obj,
 944                                   switchdev_obj_dump_cb_t *cb)
 945 {
 946         struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
 947         int err = 0;
 948
 949         mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port);
 950         if (!mlxsw_sp_port)
 951                 return -EINVAL;
 952
 953         switch (obj->id) {
 954         case SWITCHDEV_OBJ_ID_PORT_VLAN:
 955                 err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port,
 956                                               SWITCHDEV_OBJ_PORT_VLAN(obj), cb);
 957                 break;
 958         case SWITCHDEV_OBJ_ID_PORT_FDB:
 959                 err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port,
 960                                              SWITCHDEV_OBJ_PORT_FDB(obj), cb);
 961                 break;
 962         default:
 963                 err = -EOPNOTSUPP;
 964                 break;
 965         }
 966
 967         return err;
 968 }
 969
 970 static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = {
 971         .switchdev_port_attr_get        = mlxsw_sp_port_attr_get,
 972         .switchdev_port_attr_set        = mlxsw_sp_port_attr_set,
 973         .switchdev_port_obj_add         = mlxsw_sp_port_obj_add,
 974         .switchdev_port_obj_del         = mlxsw_sp_port_obj_del,
 975         .switchdev_port_obj_dump        = mlxsw_sp_port_obj_dump,
 976 };
 977
 978 static void mlxsw_sp_fdb_call_notifiers(bool learning, bool learning_sync,
 979                                         bool adding, char *mac, u16 vid,
 980                                         struct net_device *dev)
 981 {
 982         struct switchdev_notifier_fdb_info info;
 983         unsigned long notifier_type;
 984
 985         if (learning && learning_sync) {
 986                 info.addr = mac;
 987                 info.vid = vid;
 988                 notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL;
 989                 call_switchdev_notifiers(notifier_type, dev, &info.info);
 990         }
 991 }
 992
 993 static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
 994                                             char *sfn_pl, int rec_index,
 995                                             bool adding)
 996 {
 997         struct mlxsw_sp_port *mlxsw_sp_port;
 998         char mac[ETH_ALEN];
 999         u8 local_port;
1000         u16 vid, fid;
1001         int err;
1002
1003         mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port);
1004         mlxsw_sp_port = mlxsw_sp->ports[local_port];
1005         if (!mlxsw_sp_port) {
1006                 dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n");
1007                 return;
1008         }
1009
1010         if (mlxsw_sp_fid_is_vfid(fid)) {
1011                 u16 vfid = mlxsw_sp_fid_to_vfid(fid);
1012                 struct mlxsw_sp_port *mlxsw_sp_vport;
1013
1014                 mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_vfid(mlxsw_sp_port,
1015                                                                   vfid);
1016                 if (!mlxsw_sp_vport) {
1017                         netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n");
1018                         return;
1019                 }
1020
1021                 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
1022                 /* Override the physical port with the vPort. */
1023                 mlxsw_sp_port = mlxsw_sp_vport;
1024         } else {
1025                 vid = fid;
1026         }
1027
1028         err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port, mac, fid,
1029                                       adding && mlxsw_sp_port->learning, true);
1030         if (err) {
1031                 if (net_ratelimit())
1032                         netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n");
1033                 return;
1034         }
1035
1036         mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning,
1037                                     mlxsw_sp_port->learning_sync,
1038                                     adding, mac, vid, mlxsw_sp_port->dev);
1039 }
1040
1041 static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp,
1042                                                 char *sfn_pl, int rec_index,
1043                                                 bool adding)
1044 {
1045         struct mlxsw_sp_port *mlxsw_sp_port;
1046         char mac[ETH_ALEN];
1047         u16 lag_vid = 0;
1048         u16 lag_id;
1049         u16 vid, fid;
1050         int err;
1051
1052         mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id);
1053         mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id);
1054         if (!mlxsw_sp_port) {
1055                 dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n");
1056                 return;
1057         }
1058
1059         if (mlxsw_sp_fid_is_vfid(fid)) {
1060                 u16 vfid = mlxsw_sp_fid_to_vfid(fid);
1061                 struct mlxsw_sp_port *mlxsw_sp_vport;
1062
1063                 mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_vfid(mlxsw_sp_port,
1064                                                                   vfid);
1065                 if (!mlxsw_sp_vport) {
1066                         netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n");
1067                         return;
1068                 }
1069
1070                 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
1071                 lag_vid = vid;
1072                 /* Override the physical port with the vPort. */
1073                 mlxsw_sp_port = mlxsw_sp_vport;
1074         } else {
1075                 vid = fid;
1076         }
1077
1078         err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid,
1079                                           adding && mlxsw_sp_port->learning,
1080                                           true);
1081         if (err) {
1082                 if (net_ratelimit())
1083                         netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n");
1084                 return;
1085         }
1086
1087         mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning,
1088                                     mlxsw_sp_port->learning_sync,
1089                                     adding, mac, vid,
1090                                     mlxsw_sp_lag_get(mlxsw_sp, lag_id)->dev);
1091 }
1092
1093 static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp,
1094                                             char *sfn_pl, int rec_index)
1095 {
1096         switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) {
1097         case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC:
1098                 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl,
1099                                                 rec_index, true);
1100                 break;
1101         case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC:
1102                 mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl,
1103                                                 rec_index, false);
1104                 break;
1105         case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG:
1106                 mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl,
1107                                                     rec_index, true);
1108                 break;
1109         case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG:
1110                 mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl,
1111                                                     rec_index, false);
1112                 break;
1113         }
1114 }
1115
1116 static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp)
1117 {
1118         schedule_delayed_work(&mlxsw_sp->fdb_notify.dw,
1119                               msecs_to_jiffies(mlxsw_sp->fdb_notify.interval));
1120 }
1121
1122 static void mlxsw_sp_fdb_notify_work(struct work_struct *work)
1123 {
1124         struct mlxsw_sp *mlxsw_sp;
1125         char *sfn_pl;
1126         u8 num_rec;
1127         int i;
1128         int err;
1129
1130         sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL);
1131         if (!sfn_pl)
1132                 return;
1133
1134         mlxsw_sp = container_of(work, struct mlxsw_sp, fdb_notify.dw.work);
1135
1136         do {
1137                 mlxsw_reg_sfn_pack(sfn_pl);
1138                 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl);
1139                 if (err) {
1140                         dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n");
1141                         break;
1142                 }
1143                 num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl);
1144                 for (i = 0; i < num_rec; i++)
1145                         mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i);
1146
1147         } while (num_rec);
1148
1149         kfree(sfn_pl);
1150         mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
1151 }
1152
1153 static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp)
1154 {
1155         int err;
1156
1157         err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME);
1158         if (err) {
1159                 dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n");
1160                 return err;
1161         }
1162         INIT_DELAYED_WORK(&mlxsw_sp->fdb_notify.dw, mlxsw_sp_fdb_notify_work);
1163         mlxsw_sp->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL;
1164         mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
1165         return 0;
1166 }
1167
1168 static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp)
1169 {
1170         cancel_delayed_work_sync(&mlxsw_sp->fdb_notify.dw);
1171 }
1172
1173 static void mlxsw_sp_fids_fini(struct mlxsw_sp *mlxsw_sp)
1174 {
1175         u16 fid;
1176
1177         for_each_set_bit(fid, mlxsw_sp->active_fids, VLAN_N_VID)
1178                 mlxsw_sp_fid_destroy(mlxsw_sp, fid);
1179 }
1180
1181 int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
1182 {
1183         return mlxsw_sp_fdb_init(mlxsw_sp);
1184 }
1185
1186 void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp)
1187 {
1188         mlxsw_sp_fdb_fini(mlxsw_sp);
1189         mlxsw_sp_fids_fini(mlxsw_sp);
1190 }
1191
1192 int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port)
1193 {
1194         struct net_device *dev = mlxsw_sp_port->dev;
1195         int err;
1196
1197         /* Allow only untagged packets to ingress and tag them internally
1198          * with VID 1.
1199          */
1200         mlxsw_sp_port->pvid = 1;
1201         err = __mlxsw_sp_port_vlans_del(mlxsw_sp_port, 0, VLAN_N_VID, true);
1202         if (err) {
1203                 netdev_err(dev, "Unable to init VLANs\n");
1204                 return err;
1205         }
1206
1207         /* Add implicit VLAN interface in the device, so that untagged
1208          * packets will be classified to the default vFID.
1209          */
1210         err = mlxsw_sp_port_add_vid(dev, 0, 1);
1211         if (err)
1212                 netdev_err(dev, "Failed to configure default vFID\n");
1213
1214         return err;
1215 }
1216
1217 void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port)
1218 {
1219         mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops;
1220 }
1221
1222 void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port)
1223 {
1224 }