Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 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 int mlxsw_sp_port_attr_get(struct net_device *dev, |
| 55 | struct switchdev_attr *attr) |
| 56 | { |
| 57 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 58 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 59 | |
| 60 | switch (attr->id) { |
| 61 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: |
| 62 | attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac); |
| 63 | memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac, |
| 64 | attr->u.ppid.id_len); |
| 65 | break; |
| 66 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: |
| 67 | attr->u.brport_flags = |
| 68 | (mlxsw_sp_port->learning ? BR_LEARNING : 0) | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 69 | (mlxsw_sp_port->learning_sync ? BR_LEARNING_SYNC : 0) | |
| 70 | (mlxsw_sp_port->uc_flood ? BR_FLOOD : 0); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 71 | break; |
| 72 | default: |
| 73 | return -EOPNOTSUPP; |
| 74 | } |
| 75 | |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 80 | u8 state) |
| 81 | { |
| 82 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 83 | enum mlxsw_reg_spms_state spms_state; |
| 84 | char *spms_pl; |
| 85 | u16 vid; |
| 86 | int err; |
| 87 | |
| 88 | switch (state) { |
| 89 | case BR_STATE_DISABLED: /* fall-through */ |
| 90 | case BR_STATE_FORWARDING: |
| 91 | spms_state = MLXSW_REG_SPMS_STATE_FORWARDING; |
| 92 | break; |
| 93 | case BR_STATE_LISTENING: /* fall-through */ |
| 94 | case BR_STATE_LEARNING: |
| 95 | spms_state = MLXSW_REG_SPMS_STATE_LEARNING; |
| 96 | break; |
| 97 | case BR_STATE_BLOCKING: |
| 98 | spms_state = MLXSW_REG_SPMS_STATE_DISCARDING; |
| 99 | break; |
| 100 | default: |
| 101 | BUG(); |
| 102 | } |
| 103 | |
| 104 | spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); |
| 105 | if (!spms_pl) |
| 106 | return -ENOMEM; |
| 107 | mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); |
| 108 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) |
| 109 | mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); |
| 110 | |
| 111 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); |
| 112 | kfree(spms_pl); |
| 113 | return err; |
| 114 | } |
| 115 | |
| 116 | static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 117 | struct switchdev_trans *trans, |
| 118 | u8 state) |
| 119 | { |
| 120 | if (switchdev_trans_ph_prepare(trans)) |
| 121 | return 0; |
| 122 | |
| 123 | mlxsw_sp_port->stp_state = state; |
| 124 | return mlxsw_sp_port_stp_state_set(mlxsw_sp_port, state); |
| 125 | } |
| 126 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 127 | static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 128 | u16 fid_begin, u16 fid_end, bool set, |
| 129 | bool only_uc) |
| 130 | { |
| 131 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 132 | u16 range = fid_end - fid_begin + 1; |
| 133 | char *sftr_pl; |
| 134 | int err; |
| 135 | |
| 136 | sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL); |
| 137 | if (!sftr_pl) |
| 138 | return -ENOMEM; |
| 139 | |
| 140 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, fid_begin, |
| 141 | MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST, range, |
| 142 | mlxsw_sp_port->local_port, set); |
| 143 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); |
| 144 | if (err) |
| 145 | goto buffer_out; |
| 146 | |
| 147 | /* Flooding control allows one to decide whether a given port will |
| 148 | * flood unicast traffic for which there is no FDB entry. |
| 149 | */ |
| 150 | if (only_uc) |
| 151 | goto buffer_out; |
| 152 | |
| 153 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, fid_begin, |
| 154 | MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST, range, |
| 155 | mlxsw_sp_port->local_port, set); |
| 156 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); |
| 157 | |
| 158 | buffer_out: |
| 159 | kfree(sftr_pl); |
| 160 | return err; |
| 161 | } |
| 162 | |
| 163 | static int mlxsw_sp_port_uc_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 164 | bool set) |
| 165 | { |
| 166 | struct net_device *dev = mlxsw_sp_port->dev; |
| 167 | u16 vid, last_visited_vid; |
| 168 | int err; |
| 169 | |
| 170 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { |
| 171 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, set, |
| 172 | true); |
| 173 | if (err) { |
| 174 | last_visited_vid = vid; |
| 175 | goto err_port_flood_set; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return 0; |
| 180 | |
| 181 | err_port_flood_set: |
| 182 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, last_visited_vid) |
| 183 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, !set, true); |
| 184 | netdev_err(dev, "Failed to configure unicast flooding\n"); |
| 185 | return err; |
| 186 | } |
| 187 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 188 | static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 189 | struct switchdev_trans *trans, |
| 190 | unsigned long brport_flags) |
| 191 | { |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 192 | unsigned long uc_flood = mlxsw_sp_port->uc_flood ? BR_FLOOD : 0; |
| 193 | bool set; |
| 194 | int err; |
| 195 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 196 | if (switchdev_trans_ph_prepare(trans)) |
| 197 | return 0; |
| 198 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 199 | if ((uc_flood ^ brport_flags) & BR_FLOOD) { |
| 200 | set = mlxsw_sp_port->uc_flood ? false : true; |
| 201 | err = mlxsw_sp_port_uc_flood_set(mlxsw_sp_port, set); |
| 202 | if (err) |
| 203 | return err; |
| 204 | } |
| 205 | |
| 206 | mlxsw_sp_port->uc_flood = brport_flags & BR_FLOOD ? 1 : 0; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 207 | mlxsw_sp_port->learning = brport_flags & BR_LEARNING ? 1 : 0; |
| 208 | mlxsw_sp_port->learning_sync = brport_flags & BR_LEARNING_SYNC ? 1 : 0; |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 209 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time) |
| 214 | { |
| 215 | char sfdat_pl[MLXSW_REG_SFDAT_LEN]; |
| 216 | int err; |
| 217 | |
| 218 | mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time); |
| 219 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl); |
| 220 | if (err) |
| 221 | return err; |
| 222 | mlxsw_sp->ageing_time = ageing_time; |
| 223 | return 0; |
| 224 | } |
| 225 | |
| 226 | static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 227 | struct switchdev_trans *trans, |
Jiri Pirko | 135f9ec | 2015-10-28 10:17:02 +0100 | [diff] [blame] | 228 | unsigned long ageing_clock_t) |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 229 | { |
| 230 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
Jiri Pirko | 135f9ec | 2015-10-28 10:17:02 +0100 | [diff] [blame] | 231 | unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 232 | u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000; |
| 233 | |
| 234 | if (switchdev_trans_ph_prepare(trans)) |
| 235 | return 0; |
| 236 | |
| 237 | return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time); |
| 238 | } |
| 239 | |
| 240 | static int mlxsw_sp_port_attr_set(struct net_device *dev, |
| 241 | const struct switchdev_attr *attr, |
| 242 | struct switchdev_trans *trans) |
| 243 | { |
| 244 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 245 | int err = 0; |
| 246 | |
| 247 | switch (attr->id) { |
| 248 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: |
| 249 | err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans, |
| 250 | attr->u.stp_state); |
| 251 | break; |
| 252 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: |
| 253 | err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans, |
| 254 | attr->u.brport_flags); |
| 255 | break; |
| 256 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: |
| 257 | err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans, |
| 258 | attr->u.ageing_time); |
| 259 | break; |
| 260 | default: |
| 261 | err = -EOPNOTSUPP; |
| 262 | break; |
| 263 | } |
| 264 | |
| 265 | return err; |
| 266 | } |
| 267 | |
| 268 | static int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) |
| 269 | { |
| 270 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 271 | char spvid_pl[MLXSW_REG_SPVID_LEN]; |
| 272 | |
| 273 | mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid); |
| 274 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); |
| 275 | } |
| 276 | |
| 277 | static int mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp, u16 fid) |
| 278 | { |
| 279 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; |
| 280 | int err; |
| 281 | |
| 282 | mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_CREATE_FID, fid, fid); |
| 283 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); |
| 284 | |
| 285 | if (err) |
| 286 | return err; |
| 287 | |
| 288 | set_bit(fid, mlxsw_sp->active_fids); |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | static void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp, u16 fid) |
| 293 | { |
| 294 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; |
| 295 | |
| 296 | clear_bit(fid, mlxsw_sp->active_fids); |
| 297 | |
| 298 | mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_DESTROY_FID, |
| 299 | fid, fid); |
| 300 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); |
| 301 | } |
| 302 | |
| 303 | static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid) |
| 304 | { |
| 305 | enum mlxsw_reg_svfa_mt mt; |
| 306 | |
| 307 | if (mlxsw_sp_port->nr_vfids) |
| 308 | mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; |
| 309 | else |
| 310 | mt = MLXSW_REG_SVFA_MT_VID_TO_FID; |
| 311 | |
| 312 | return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, true, fid, fid); |
| 313 | } |
| 314 | |
| 315 | static int mlxsw_sp_port_fid_unmap(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid) |
| 316 | { |
| 317 | enum mlxsw_reg_svfa_mt mt; |
| 318 | |
| 319 | if (!mlxsw_sp_port->nr_vfids) |
| 320 | return 0; |
| 321 | |
| 322 | mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; |
| 323 | return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, false, fid, fid); |
| 324 | } |
| 325 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 326 | static int mlxsw_sp_port_add_vids(struct net_device *dev, u16 vid_begin, |
| 327 | u16 vid_end) |
| 328 | { |
| 329 | u16 vid; |
| 330 | int err; |
| 331 | |
| 332 | for (vid = vid_begin; vid <= vid_end; vid++) { |
| 333 | err = mlxsw_sp_port_add_vid(dev, 0, vid); |
| 334 | if (err) |
| 335 | goto err_port_add_vid; |
| 336 | } |
| 337 | return 0; |
| 338 | |
| 339 | err_port_add_vid: |
| 340 | for (vid--; vid >= vid_begin; vid--) |
| 341 | mlxsw_sp_port_kill_vid(dev, 0, vid); |
| 342 | return err; |
| 343 | } |
| 344 | |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 345 | static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 346 | u16 vid_begin, u16 vid_end, bool is_member, |
| 347 | bool untagged) |
| 348 | { |
| 349 | u16 vid, vid_e; |
| 350 | int err; |
| 351 | |
| 352 | for (vid = vid_begin; vid <= vid_end; |
| 353 | vid += MLXSW_REG_SPVM_REC_MAX_COUNT) { |
| 354 | vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1), |
| 355 | vid_end); |
| 356 | |
| 357 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, |
| 358 | is_member, untagged); |
| 359 | if (err) |
| 360 | return err; |
| 361 | } |
| 362 | |
| 363 | return 0; |
| 364 | } |
| 365 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 366 | static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 367 | u16 vid_begin, u16 vid_end, |
| 368 | bool flag_untagged, bool flag_pvid) |
| 369 | { |
| 370 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 371 | struct net_device *dev = mlxsw_sp_port->dev; |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 372 | u16 vid, last_visited_vid, old_pvid; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 373 | enum mlxsw_reg_svfa_mt mt; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 374 | int err; |
| 375 | |
| 376 | /* In case this is invoked with BRIDGE_FLAGS_SELF and port is |
| 377 | * not bridged, then packets ingressing through the port with |
| 378 | * the specified VIDs will be directed to CPU. |
| 379 | */ |
| 380 | if (!mlxsw_sp_port->bridged) |
| 381 | return mlxsw_sp_port_add_vids(dev, vid_begin, vid_end); |
| 382 | |
| 383 | for (vid = vid_begin; vid <= vid_end; vid++) { |
| 384 | if (!test_bit(vid, mlxsw_sp->active_fids)) { |
| 385 | err = mlxsw_sp_fid_create(mlxsw_sp, vid); |
| 386 | if (err) { |
| 387 | netdev_err(dev, "Failed to create FID=%d\n", |
| 388 | vid); |
| 389 | return err; |
| 390 | } |
| 391 | |
| 392 | /* When creating a FID, we set a VID to FID mapping |
| 393 | * regardless of the port's mode. |
| 394 | */ |
| 395 | mt = MLXSW_REG_SVFA_MT_VID_TO_FID; |
| 396 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, |
| 397 | true, vid, vid); |
| 398 | if (err) { |
| 399 | netdev_err(dev, "Failed to create FID=VID=%d mapping\n", |
| 400 | vid); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 401 | goto err_port_vid_to_fid_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 402 | } |
| 403 | } |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 404 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 405 | |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 406 | /* Set FID mapping according to port's mode */ |
| 407 | for (vid = vid_begin; vid <= vid_end; vid++) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 408 | err = mlxsw_sp_port_fid_map(mlxsw_sp_port, vid); |
| 409 | if (err) { |
| 410 | netdev_err(dev, "Failed to map FID=%d", vid); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 411 | last_visited_vid = --vid; |
| 412 | goto err_port_fid_map; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 413 | } |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 414 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 415 | |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 416 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, |
| 417 | true, false); |
| 418 | if (err) { |
| 419 | netdev_err(dev, "Failed to configure flooding\n"); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 420 | goto err_port_flood_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 421 | } |
| 422 | |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 423 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
| 424 | true, flag_untagged); |
| 425 | if (err) { |
| 426 | netdev_err(dev, "Unable to add VIDs %d-%d\n", vid_begin, |
| 427 | vid_end); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 428 | goto err_port_vlans_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 429 | } |
| 430 | |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 431 | old_pvid = mlxsw_sp_port->pvid; |
| 432 | if (flag_pvid && old_pvid != vid_begin) { |
| 433 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid_begin); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 434 | if (err) { |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 435 | netdev_err(dev, "Unable to add PVID %d\n", vid_begin); |
| 436 | goto err_port_pvid_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 437 | } |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 438 | mlxsw_sp_port->pvid = vid_begin; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | /* Changing activity bits only if HW operation succeded */ |
| 442 | for (vid = vid_begin; vid <= vid_end; vid++) |
| 443 | set_bit(vid, mlxsw_sp_port->active_vlans); |
| 444 | |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame^] | 445 | /* STP state change must be done after we set active VLANs */ |
| 446 | err = mlxsw_sp_port_stp_state_set(mlxsw_sp_port, |
| 447 | mlxsw_sp_port->stp_state); |
| 448 | if (err) { |
| 449 | netdev_err(dev, "Failed to set STP state\n"); |
| 450 | goto err_port_stp_state_set; |
| 451 | } |
| 452 | |
| 453 | return 0; |
| 454 | |
| 455 | err_port_vid_to_fid_set: |
| 456 | mlxsw_sp_fid_destroy(mlxsw_sp, vid); |
| 457 | return err; |
| 458 | |
| 459 | err_port_stp_state_set: |
| 460 | for (vid = vid_begin; vid <= vid_end; vid++) |
| 461 | clear_bit(vid, mlxsw_sp_port->active_vlans); |
| 462 | if (old_pvid != mlxsw_sp_port->pvid) |
| 463 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid); |
| 464 | err_port_pvid_set: |
| 465 | __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false, |
| 466 | false); |
| 467 | err_port_vlans_set: |
| 468 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, false, |
| 469 | false); |
| 470 | err_port_flood_set: |
| 471 | last_visited_vid = vid_end; |
| 472 | err_port_fid_map: |
| 473 | for (vid = last_visited_vid; vid >= vid_begin; vid--) |
| 474 | mlxsw_sp_port_fid_unmap(mlxsw_sp_port, vid); |
| 475 | return err; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 479 | const struct switchdev_obj_port_vlan *vlan, |
| 480 | struct switchdev_trans *trans) |
| 481 | { |
| 482 | bool untagged_flag = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; |
| 483 | bool pvid_flag = vlan->flags & BRIDGE_VLAN_INFO_PVID; |
| 484 | |
| 485 | if (switchdev_trans_ph_prepare(trans)) |
| 486 | return 0; |
| 487 | |
| 488 | return __mlxsw_sp_port_vlans_add(mlxsw_sp_port, |
| 489 | vlan->vid_begin, vlan->vid_end, |
| 490 | untagged_flag, pvid_flag); |
| 491 | } |
| 492 | |
| 493 | static int mlxsw_sp_port_fdb_op(struct mlxsw_sp_port *mlxsw_sp_port, |
| 494 | const char *mac, u16 vid, bool adding, |
| 495 | bool dynamic) |
| 496 | { |
| 497 | enum mlxsw_reg_sfd_rec_policy policy; |
| 498 | enum mlxsw_reg_sfd_op op; |
| 499 | char *sfd_pl; |
| 500 | int err; |
| 501 | |
| 502 | if (!vid) |
| 503 | vid = mlxsw_sp_port->pvid; |
| 504 | |
| 505 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
| 506 | if (!sfd_pl) |
| 507 | return -ENOMEM; |
| 508 | |
| 509 | policy = dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS : |
| 510 | MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY; |
| 511 | op = adding ? MLXSW_REG_SFD_OP_WRITE_EDIT : |
| 512 | MLXSW_REG_SFD_OP_WRITE_REMOVE; |
| 513 | mlxsw_reg_sfd_pack(sfd_pl, op, 0); |
| 514 | mlxsw_reg_sfd_uc_pack(sfd_pl, 0, policy, |
| 515 | mac, vid, MLXSW_REG_SFD_REC_ACTION_NOP, |
| 516 | mlxsw_sp_port->local_port); |
| 517 | err = mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(sfd), |
| 518 | sfd_pl); |
| 519 | kfree(sfd_pl); |
| 520 | |
| 521 | return err; |
| 522 | } |
| 523 | |
| 524 | static int |
| 525 | mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 526 | const struct switchdev_obj_port_fdb *fdb, |
| 527 | struct switchdev_trans *trans) |
| 528 | { |
| 529 | if (switchdev_trans_ph_prepare(trans)) |
| 530 | return 0; |
| 531 | |
| 532 | return mlxsw_sp_port_fdb_op(mlxsw_sp_port, fdb->addr, fdb->vid, |
| 533 | true, false); |
| 534 | } |
| 535 | |
| 536 | static int mlxsw_sp_port_obj_add(struct net_device *dev, |
| 537 | const struct switchdev_obj *obj, |
| 538 | struct switchdev_trans *trans) |
| 539 | { |
| 540 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 541 | int err = 0; |
| 542 | |
| 543 | switch (obj->id) { |
| 544 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
| 545 | err = mlxsw_sp_port_vlans_add(mlxsw_sp_port, |
| 546 | SWITCHDEV_OBJ_PORT_VLAN(obj), |
| 547 | trans); |
| 548 | break; |
| 549 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
| 550 | err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port, |
| 551 | SWITCHDEV_OBJ_PORT_FDB(obj), |
| 552 | trans); |
| 553 | break; |
| 554 | default: |
| 555 | err = -EOPNOTSUPP; |
| 556 | break; |
| 557 | } |
| 558 | |
| 559 | return err; |
| 560 | } |
| 561 | |
| 562 | static int mlxsw_sp_port_kill_vids(struct net_device *dev, u16 vid_begin, |
| 563 | u16 vid_end) |
| 564 | { |
| 565 | u16 vid; |
| 566 | int err; |
| 567 | |
| 568 | for (vid = vid_begin; vid <= vid_end; vid++) { |
| 569 | err = mlxsw_sp_port_kill_vid(dev, 0, vid); |
| 570 | if (err) |
| 571 | return err; |
| 572 | } |
| 573 | |
| 574 | return 0; |
| 575 | } |
| 576 | |
| 577 | static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 578 | u16 vid_begin, u16 vid_end, bool init) |
| 579 | { |
| 580 | struct net_device *dev = mlxsw_sp_port->dev; |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 581 | u16 vid, pvid; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 582 | int err; |
| 583 | |
| 584 | /* In case this is invoked with BRIDGE_FLAGS_SELF and port is |
| 585 | * not bridged, then prevent packets ingressing through the |
| 586 | * port with the specified VIDs from being trapped to CPU. |
| 587 | */ |
| 588 | if (!init && !mlxsw_sp_port->bridged) |
| 589 | return mlxsw_sp_port_kill_vids(dev, vid_begin, vid_end); |
| 590 | |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 591 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
| 592 | false, false); |
| 593 | if (err) { |
| 594 | netdev_err(dev, "Unable to del VIDs %d-%d\n", vid_begin, |
| 595 | vid_end); |
| 596 | return err; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 597 | } |
| 598 | |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 599 | pvid = mlxsw_sp_port->pvid; |
| 600 | if (pvid >= vid_begin && pvid <= vid_end && pvid != 1) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 601 | /* Default VLAN is always 1 */ |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 602 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 603 | if (err) { |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 604 | netdev_err(dev, "Unable to del PVID %d\n", pvid); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 605 | return err; |
| 606 | } |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 607 | mlxsw_sp_port->pvid = 1; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 608 | } |
| 609 | |
| 610 | if (init) |
| 611 | goto out; |
| 612 | |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 613 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, |
| 614 | false, false); |
| 615 | if (err) { |
| 616 | netdev_err(dev, "Failed to clear flooding\n"); |
| 617 | return err; |
| 618 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 619 | |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 620 | for (vid = vid_begin; vid <= vid_end; vid++) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 621 | /* Remove FID mapping in case of Virtual mode */ |
| 622 | err = mlxsw_sp_port_fid_unmap(mlxsw_sp_port, vid); |
| 623 | if (err) { |
| 624 | netdev_err(dev, "Failed to unmap FID=%d", vid); |
| 625 | return err; |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | out: |
| 630 | /* Changing activity bits only if HW operation succeded */ |
| 631 | for (vid = vid_begin; vid <= vid_end; vid++) |
| 632 | clear_bit(vid, mlxsw_sp_port->active_vlans); |
| 633 | |
| 634 | return 0; |
| 635 | } |
| 636 | |
| 637 | static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 638 | const struct switchdev_obj_port_vlan *vlan) |
| 639 | { |
| 640 | return __mlxsw_sp_port_vlans_del(mlxsw_sp_port, |
| 641 | vlan->vid_begin, vlan->vid_end, false); |
| 642 | } |
| 643 | |
| 644 | static int |
| 645 | mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 646 | const struct switchdev_obj_port_fdb *fdb) |
| 647 | { |
| 648 | return mlxsw_sp_port_fdb_op(mlxsw_sp_port, fdb->addr, fdb->vid, |
| 649 | false, false); |
| 650 | } |
| 651 | |
| 652 | static int mlxsw_sp_port_obj_del(struct net_device *dev, |
| 653 | const struct switchdev_obj *obj) |
| 654 | { |
| 655 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 656 | int err = 0; |
| 657 | |
| 658 | switch (obj->id) { |
| 659 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
| 660 | err = mlxsw_sp_port_vlans_del(mlxsw_sp_port, |
| 661 | SWITCHDEV_OBJ_PORT_VLAN(obj)); |
| 662 | break; |
| 663 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
| 664 | err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port, |
| 665 | SWITCHDEV_OBJ_PORT_FDB(obj)); |
| 666 | break; |
| 667 | default: |
| 668 | err = -EOPNOTSUPP; |
| 669 | break; |
| 670 | } |
| 671 | |
| 672 | return err; |
| 673 | } |
| 674 | |
| 675 | static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, |
| 676 | struct switchdev_obj_port_fdb *fdb, |
| 677 | switchdev_obj_dump_cb_t *cb) |
| 678 | { |
| 679 | char *sfd_pl; |
| 680 | char mac[ETH_ALEN]; |
| 681 | u16 vid; |
| 682 | u8 local_port; |
| 683 | u8 num_rec; |
| 684 | int stored_err = 0; |
| 685 | int i; |
| 686 | int err; |
| 687 | |
| 688 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
| 689 | if (!sfd_pl) |
| 690 | return -ENOMEM; |
| 691 | |
| 692 | mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0); |
| 693 | do { |
| 694 | mlxsw_reg_sfd_num_rec_set(sfd_pl, MLXSW_REG_SFD_REC_MAX_COUNT); |
| 695 | err = mlxsw_reg_query(mlxsw_sp_port->mlxsw_sp->core, |
| 696 | MLXSW_REG(sfd), sfd_pl); |
| 697 | if (err) |
| 698 | goto out; |
| 699 | |
| 700 | num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); |
| 701 | |
| 702 | /* Even in case of error, we have to run the dump to the end |
| 703 | * so the session in firmware is finished. |
| 704 | */ |
| 705 | if (stored_err) |
| 706 | continue; |
| 707 | |
| 708 | for (i = 0; i < num_rec; i++) { |
| 709 | switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) { |
| 710 | case MLXSW_REG_SFD_REC_TYPE_UNICAST: |
| 711 | mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, &vid, |
| 712 | &local_port); |
| 713 | if (local_port == mlxsw_sp_port->local_port) { |
| 714 | ether_addr_copy(fdb->addr, mac); |
| 715 | fdb->ndm_state = NUD_REACHABLE; |
| 716 | fdb->vid = vid; |
| 717 | err = cb(&fdb->obj); |
| 718 | if (err) |
| 719 | stored_err = err; |
| 720 | } |
| 721 | } |
| 722 | } |
| 723 | } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT); |
| 724 | |
| 725 | out: |
| 726 | kfree(sfd_pl); |
| 727 | return stored_err ? stored_err : err; |
| 728 | } |
| 729 | |
| 730 | static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port, |
| 731 | struct switchdev_obj_port_vlan *vlan, |
| 732 | switchdev_obj_dump_cb_t *cb) |
| 733 | { |
| 734 | u16 vid; |
| 735 | int err = 0; |
| 736 | |
| 737 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { |
| 738 | vlan->flags = 0; |
| 739 | if (vid == mlxsw_sp_port->pvid) |
| 740 | vlan->flags |= BRIDGE_VLAN_INFO_PVID; |
| 741 | vlan->vid_begin = vid; |
| 742 | vlan->vid_end = vid; |
| 743 | err = cb(&vlan->obj); |
| 744 | if (err) |
| 745 | break; |
| 746 | } |
| 747 | return err; |
| 748 | } |
| 749 | |
| 750 | static int mlxsw_sp_port_obj_dump(struct net_device *dev, |
| 751 | struct switchdev_obj *obj, |
| 752 | switchdev_obj_dump_cb_t *cb) |
| 753 | { |
| 754 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 755 | int err = 0; |
| 756 | |
| 757 | switch (obj->id) { |
| 758 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
| 759 | err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port, |
| 760 | SWITCHDEV_OBJ_PORT_VLAN(obj), cb); |
| 761 | break; |
| 762 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
| 763 | err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port, |
| 764 | SWITCHDEV_OBJ_PORT_FDB(obj), cb); |
| 765 | break; |
| 766 | default: |
| 767 | err = -EOPNOTSUPP; |
| 768 | break; |
| 769 | } |
| 770 | |
| 771 | return err; |
| 772 | } |
| 773 | |
Jiri Pirko | c7070fc | 2015-10-28 10:17:05 +0100 | [diff] [blame] | 774 | static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 775 | .switchdev_port_attr_get = mlxsw_sp_port_attr_get, |
| 776 | .switchdev_port_attr_set = mlxsw_sp_port_attr_set, |
| 777 | .switchdev_port_obj_add = mlxsw_sp_port_obj_add, |
| 778 | .switchdev_port_obj_del = mlxsw_sp_port_obj_del, |
| 779 | .switchdev_port_obj_dump = mlxsw_sp_port_obj_dump, |
| 780 | }; |
| 781 | |
| 782 | static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
| 783 | char *sfn_pl, int rec_index, |
| 784 | bool adding) |
| 785 | { |
| 786 | struct mlxsw_sp_port *mlxsw_sp_port; |
| 787 | char mac[ETH_ALEN]; |
| 788 | u8 local_port; |
| 789 | u16 vid; |
| 790 | int err; |
| 791 | |
| 792 | mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &vid, &local_port); |
| 793 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
| 794 | if (!mlxsw_sp_port) { |
| 795 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n"); |
| 796 | return; |
| 797 | } |
| 798 | |
| 799 | err = mlxsw_sp_port_fdb_op(mlxsw_sp_port, mac, vid, |
| 800 | adding && mlxsw_sp_port->learning, true); |
| 801 | if (err) { |
| 802 | if (net_ratelimit()) |
| 803 | netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n"); |
| 804 | return; |
| 805 | } |
| 806 | |
| 807 | if (mlxsw_sp_port->learning && mlxsw_sp_port->learning_sync) { |
| 808 | struct switchdev_notifier_fdb_info info; |
| 809 | unsigned long notifier_type; |
| 810 | |
| 811 | info.addr = mac; |
| 812 | info.vid = vid; |
| 813 | notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL; |
| 814 | call_switchdev_notifiers(notifier_type, mlxsw_sp_port->dev, |
| 815 | &info.info); |
| 816 | } |
| 817 | } |
| 818 | |
| 819 | static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp, |
| 820 | char *sfn_pl, int rec_index) |
| 821 | { |
| 822 | switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) { |
| 823 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC: |
| 824 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, |
| 825 | rec_index, true); |
| 826 | break; |
| 827 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC: |
| 828 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, |
| 829 | rec_index, false); |
| 830 | break; |
| 831 | } |
| 832 | } |
| 833 | |
| 834 | static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp) |
| 835 | { |
| 836 | schedule_delayed_work(&mlxsw_sp->fdb_notify.dw, |
| 837 | msecs_to_jiffies(mlxsw_sp->fdb_notify.interval)); |
| 838 | } |
| 839 | |
| 840 | static void mlxsw_sp_fdb_notify_work(struct work_struct *work) |
| 841 | { |
| 842 | struct mlxsw_sp *mlxsw_sp; |
| 843 | char *sfn_pl; |
| 844 | u8 num_rec; |
| 845 | int i; |
| 846 | int err; |
| 847 | |
| 848 | sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL); |
| 849 | if (!sfn_pl) |
| 850 | return; |
| 851 | |
| 852 | mlxsw_sp = container_of(work, struct mlxsw_sp, fdb_notify.dw.work); |
| 853 | |
| 854 | do { |
| 855 | mlxsw_reg_sfn_pack(sfn_pl); |
| 856 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl); |
| 857 | if (err) { |
| 858 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n"); |
| 859 | break; |
| 860 | } |
| 861 | num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl); |
| 862 | for (i = 0; i < num_rec; i++) |
| 863 | mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i); |
| 864 | |
| 865 | } while (num_rec); |
| 866 | |
| 867 | kfree(sfn_pl); |
| 868 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); |
| 869 | } |
| 870 | |
| 871 | static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp) |
| 872 | { |
| 873 | int err; |
| 874 | |
| 875 | err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME); |
| 876 | if (err) { |
| 877 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n"); |
| 878 | return err; |
| 879 | } |
| 880 | INIT_DELAYED_WORK(&mlxsw_sp->fdb_notify.dw, mlxsw_sp_fdb_notify_work); |
| 881 | mlxsw_sp->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL; |
| 882 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); |
| 883 | return 0; |
| 884 | } |
| 885 | |
| 886 | static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp) |
| 887 | { |
| 888 | cancel_delayed_work_sync(&mlxsw_sp->fdb_notify.dw); |
| 889 | } |
| 890 | |
| 891 | static void mlxsw_sp_fids_fini(struct mlxsw_sp *mlxsw_sp) |
| 892 | { |
| 893 | u16 fid; |
| 894 | |
| 895 | for_each_set_bit(fid, mlxsw_sp->active_fids, VLAN_N_VID) |
| 896 | mlxsw_sp_fid_destroy(mlxsw_sp, fid); |
| 897 | } |
| 898 | |
| 899 | int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) |
| 900 | { |
| 901 | return mlxsw_sp_fdb_init(mlxsw_sp); |
| 902 | } |
| 903 | |
| 904 | void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) |
| 905 | { |
| 906 | mlxsw_sp_fdb_fini(mlxsw_sp); |
| 907 | mlxsw_sp_fids_fini(mlxsw_sp); |
| 908 | } |
| 909 | |
| 910 | int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port) |
| 911 | { |
| 912 | struct net_device *dev = mlxsw_sp_port->dev; |
| 913 | int err; |
| 914 | |
| 915 | /* Allow only untagged packets to ingress and tag them internally |
| 916 | * with VID 1. |
| 917 | */ |
| 918 | mlxsw_sp_port->pvid = 1; |
| 919 | err = __mlxsw_sp_port_vlans_del(mlxsw_sp_port, 0, VLAN_N_VID, true); |
| 920 | if (err) { |
| 921 | netdev_err(dev, "Unable to init VLANs\n"); |
| 922 | return err; |
| 923 | } |
| 924 | |
| 925 | /* Add implicit VLAN interface in the device, so that untagged |
| 926 | * packets will be classified to the default vFID. |
| 927 | */ |
| 928 | err = mlxsw_sp_port_add_vid(dev, 0, 1); |
| 929 | if (err) |
| 930 | netdev_err(dev, "Failed to configure default vFID\n"); |
| 931 | |
| 932 | return err; |
| 933 | } |
| 934 | |
| 935 | void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port) |
| 936 | { |
| 937 | mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops; |
| 938 | } |
| 939 | |
| 940 | void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port) |
| 941 | { |
| 942 | } |