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 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 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 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 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 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 77 | mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port); |
| 78 | if (!mlxsw_sp_port) |
| 79 | return -EINVAL; |
| 80 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 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) | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 90 | (mlxsw_sp_port->learning_sync ? BR_LEARNING_SYNC : 0) | |
| 91 | (mlxsw_sp_port->uc_flood ? BR_FLOOD : 0); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 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); |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 129 | |
| 130 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 131 | vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 132 | mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 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 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 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 | |
Ido Schimmel | 26f0e7f | 2015-12-15 16:03:44 +0100 | [diff] [blame] | 154 | static bool mlxsw_sp_vfid_is_vport_br(u16 vfid) |
| 155 | { |
| 156 | return vfid >= MLXSW_SP_VFID_PORT_MAX; |
| 157 | } |
| 158 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 159 | static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, |
Ido Schimmel | c06a94e | 2015-12-15 16:03:38 +0100 | [diff] [blame] | 160 | u16 idx_begin, u16 idx_end, bool set, |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 161 | bool only_uc) |
| 162 | { |
| 163 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 164 | u16 local_port = mlxsw_sp_port->local_port; |
| 165 | enum mlxsw_flood_table_type table_type; |
Ido Schimmel | c06a94e | 2015-12-15 16:03:38 +0100 | [diff] [blame] | 166 | u16 range = idx_end - idx_begin + 1; |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 167 | char *sftr_pl; |
| 168 | int err; |
| 169 | |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 170 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 171 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID; |
Ido Schimmel | 26f0e7f | 2015-12-15 16:03:44 +0100 | [diff] [blame] | 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; |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 176 | } else { |
| 177 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; |
| 178 | } |
| 179 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 180 | sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL); |
| 181 | if (!sftr_pl) |
| 182 | return -ENOMEM; |
| 183 | |
Ido Schimmel | c06a94e | 2015-12-15 16:03:38 +0100 | [diff] [blame] | 184 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin, |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 185 | table_type, range, local_port, set); |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 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 | |
Ido Schimmel | c06a94e | 2015-12-15 16:03:38 +0100 | [diff] [blame] | 196 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, idx_begin, |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 197 | table_type, range, local_port, set); |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 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 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 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 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 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 | |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 237 | int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 vfid, |
Ido Schimmel | 19ae612 | 2015-12-15 16:03:39 +0100 | [diff] [blame] | 238 | bool set, bool only_uc) |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 239 | { |
| 240 | /* In case of vFIDs, index into the flooding table is relative to |
| 241 | * the start of the vFIDs range. |
| 242 | */ |
Ido Schimmel | 19ae612 | 2015-12-15 16:03:39 +0100 | [diff] [blame] | 243 | return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set, |
| 244 | only_uc); |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 245 | } |
| 246 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 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 | { |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 251 | unsigned long uc_flood = mlxsw_sp_port->uc_flood ? BR_FLOOD : 0; |
| 252 | bool set; |
| 253 | int err; |
| 254 | |
Ido Schimmel | 6c72a3d | 2016-01-04 10:42:26 +0100 | [diff] [blame] | 255 | if (!mlxsw_sp_port->bridged) |
| 256 | return -EINVAL; |
| 257 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 258 | if (switchdev_trans_ph_prepare(trans)) |
| 259 | return 0; |
| 260 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 261 | if ((uc_flood ^ brport_flags) & BR_FLOOD) { |
| 262 | set = mlxsw_sp_port->uc_flood ? false : true; |
| 263 | err = mlxsw_sp_port_uc_flood_set(mlxsw_sp_port, set); |
| 264 | if (err) |
| 265 | return err; |
| 266 | } |
| 267 | |
| 268 | mlxsw_sp_port->uc_flood = brport_flags & BR_FLOOD ? 1 : 0; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 269 | mlxsw_sp_port->learning = brport_flags & BR_LEARNING ? 1 : 0; |
| 270 | mlxsw_sp_port->learning_sync = brport_flags & BR_LEARNING_SYNC ? 1 : 0; |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 271 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 272 | return 0; |
| 273 | } |
| 274 | |
| 275 | static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time) |
| 276 | { |
| 277 | char sfdat_pl[MLXSW_REG_SFDAT_LEN]; |
| 278 | int err; |
| 279 | |
| 280 | mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time); |
| 281 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl); |
| 282 | if (err) |
| 283 | return err; |
| 284 | mlxsw_sp->ageing_time = ageing_time; |
| 285 | return 0; |
| 286 | } |
| 287 | |
| 288 | static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 289 | struct switchdev_trans *trans, |
Jiri Pirko | 135f9ec | 2015-10-28 10:17:02 +0100 | [diff] [blame] | 290 | unsigned long ageing_clock_t) |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 291 | { |
| 292 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
Jiri Pirko | 135f9ec | 2015-10-28 10:17:02 +0100 | [diff] [blame] | 293 | unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 294 | u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000; |
| 295 | |
| 296 | if (switchdev_trans_ph_prepare(trans)) |
| 297 | return 0; |
| 298 | |
| 299 | return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time); |
| 300 | } |
| 301 | |
Elad Raz | 26a4ea0 | 2016-01-06 13:01:10 +0100 | [diff] [blame] | 302 | static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 303 | struct switchdev_trans *trans, |
| 304 | struct net_device *orig_dev, |
| 305 | bool vlan_enabled) |
| 306 | { |
| 307 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 308 | |
| 309 | /* SWITCHDEV_TRANS_PREPARE phase */ |
| 310 | if ((!vlan_enabled) && (mlxsw_sp->master_bridge.dev == orig_dev)) { |
| 311 | netdev_err(mlxsw_sp_port->dev, "Bridge must be vlan-aware\n"); |
| 312 | return -EINVAL; |
| 313 | } |
| 314 | |
| 315 | return 0; |
| 316 | } |
| 317 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 318 | static int mlxsw_sp_port_attr_set(struct net_device *dev, |
| 319 | const struct switchdev_attr *attr, |
| 320 | struct switchdev_trans *trans) |
| 321 | { |
| 322 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 323 | int err = 0; |
| 324 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 325 | mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port); |
| 326 | if (!mlxsw_sp_port) |
| 327 | return -EINVAL; |
| 328 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 329 | switch (attr->id) { |
| 330 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: |
| 331 | err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans, |
| 332 | attr->u.stp_state); |
| 333 | break; |
| 334 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: |
| 335 | err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans, |
| 336 | attr->u.brport_flags); |
| 337 | break; |
| 338 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: |
| 339 | err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans, |
| 340 | attr->u.ageing_time); |
| 341 | break; |
Elad Raz | 26a4ea0 | 2016-01-06 13:01:10 +0100 | [diff] [blame] | 342 | case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: |
| 343 | err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans, |
| 344 | attr->orig_dev, |
| 345 | attr->u.vlan_filtering); |
| 346 | break; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 347 | default: |
| 348 | err = -EOPNOTSUPP; |
| 349 | break; |
| 350 | } |
| 351 | |
| 352 | return err; |
| 353 | } |
| 354 | |
| 355 | static int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) |
| 356 | { |
| 357 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 358 | char spvid_pl[MLXSW_REG_SPVID_LEN]; |
| 359 | |
| 360 | mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid); |
| 361 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); |
| 362 | } |
| 363 | |
| 364 | static int mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp, u16 fid) |
| 365 | { |
| 366 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; |
| 367 | int err; |
| 368 | |
| 369 | mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_CREATE_FID, fid, fid); |
| 370 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); |
| 371 | |
| 372 | if (err) |
| 373 | return err; |
| 374 | |
| 375 | set_bit(fid, mlxsw_sp->active_fids); |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | static void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp, u16 fid) |
| 380 | { |
| 381 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; |
| 382 | |
| 383 | clear_bit(fid, mlxsw_sp->active_fids); |
| 384 | |
| 385 | mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_DESTROY_FID, |
| 386 | fid, fid); |
| 387 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); |
| 388 | } |
| 389 | |
| 390 | static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid) |
| 391 | { |
| 392 | enum mlxsw_reg_svfa_mt mt; |
| 393 | |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 394 | if (!list_empty(&mlxsw_sp_port->vports_list)) |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 395 | mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; |
| 396 | else |
| 397 | mt = MLXSW_REG_SVFA_MT_VID_TO_FID; |
| 398 | |
| 399 | return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, true, fid, fid); |
| 400 | } |
| 401 | |
| 402 | static int mlxsw_sp_port_fid_unmap(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid) |
| 403 | { |
| 404 | enum mlxsw_reg_svfa_mt mt; |
| 405 | |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 406 | if (list_empty(&mlxsw_sp_port->vports_list)) |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 407 | return 0; |
| 408 | |
| 409 | mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; |
| 410 | return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, false, fid, fid); |
| 411 | } |
| 412 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 413 | static int mlxsw_sp_port_add_vids(struct net_device *dev, u16 vid_begin, |
| 414 | u16 vid_end) |
| 415 | { |
| 416 | u16 vid; |
| 417 | int err; |
| 418 | |
| 419 | for (vid = vid_begin; vid <= vid_end; vid++) { |
| 420 | err = mlxsw_sp_port_add_vid(dev, 0, vid); |
| 421 | if (err) |
| 422 | goto err_port_add_vid; |
| 423 | } |
| 424 | return 0; |
| 425 | |
| 426 | err_port_add_vid: |
| 427 | for (vid--; vid >= vid_begin; vid--) |
| 428 | mlxsw_sp_port_kill_vid(dev, 0, vid); |
| 429 | return err; |
| 430 | } |
| 431 | |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 432 | static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 433 | u16 vid_begin, u16 vid_end, bool is_member, |
| 434 | bool untagged) |
| 435 | { |
| 436 | u16 vid, vid_e; |
| 437 | int err; |
| 438 | |
| 439 | for (vid = vid_begin; vid <= vid_end; |
| 440 | vid += MLXSW_REG_SPVM_REC_MAX_COUNT) { |
| 441 | vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1), |
| 442 | vid_end); |
| 443 | |
| 444 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, |
| 445 | is_member, untagged); |
| 446 | if (err) |
| 447 | return err; |
| 448 | } |
| 449 | |
| 450 | return 0; |
| 451 | } |
| 452 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 453 | static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 454 | u16 vid_begin, u16 vid_end, |
| 455 | bool flag_untagged, bool flag_pvid) |
| 456 | { |
| 457 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 458 | struct net_device *dev = mlxsw_sp_port->dev; |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 459 | u16 vid, last_visited_vid, old_pvid; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 460 | enum mlxsw_reg_svfa_mt mt; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 461 | int err; |
| 462 | |
| 463 | /* In case this is invoked with BRIDGE_FLAGS_SELF and port is |
| 464 | * not bridged, then packets ingressing through the port with |
| 465 | * the specified VIDs will be directed to CPU. |
| 466 | */ |
| 467 | if (!mlxsw_sp_port->bridged) |
| 468 | return mlxsw_sp_port_add_vids(dev, vid_begin, vid_end); |
| 469 | |
| 470 | for (vid = vid_begin; vid <= vid_end; vid++) { |
| 471 | if (!test_bit(vid, mlxsw_sp->active_fids)) { |
| 472 | err = mlxsw_sp_fid_create(mlxsw_sp, vid); |
| 473 | if (err) { |
| 474 | netdev_err(dev, "Failed to create FID=%d\n", |
| 475 | vid); |
| 476 | return err; |
| 477 | } |
| 478 | |
| 479 | /* When creating a FID, we set a VID to FID mapping |
| 480 | * regardless of the port's mode. |
| 481 | */ |
| 482 | mt = MLXSW_REG_SVFA_MT_VID_TO_FID; |
| 483 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, |
| 484 | true, vid, vid); |
| 485 | if (err) { |
| 486 | netdev_err(dev, "Failed to create FID=VID=%d mapping\n", |
| 487 | vid); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 488 | goto err_port_vid_to_fid_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 489 | } |
| 490 | } |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 491 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 492 | |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 493 | /* Set FID mapping according to port's mode */ |
| 494 | for (vid = vid_begin; vid <= vid_end; vid++) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 495 | err = mlxsw_sp_port_fid_map(mlxsw_sp_port, vid); |
| 496 | if (err) { |
| 497 | netdev_err(dev, "Failed to map FID=%d", vid); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 498 | last_visited_vid = --vid; |
| 499 | goto err_port_fid_map; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 500 | } |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 501 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 502 | |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 503 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, |
| 504 | true, false); |
| 505 | if (err) { |
| 506 | netdev_err(dev, "Failed to configure flooding\n"); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 507 | goto err_port_flood_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 508 | } |
| 509 | |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 510 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
| 511 | true, flag_untagged); |
| 512 | if (err) { |
| 513 | netdev_err(dev, "Unable to add VIDs %d-%d\n", vid_begin, |
| 514 | vid_end); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 515 | goto err_port_vlans_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 516 | } |
| 517 | |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 518 | old_pvid = mlxsw_sp_port->pvid; |
| 519 | if (flag_pvid && old_pvid != vid_begin) { |
| 520 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid_begin); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 521 | if (err) { |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 522 | netdev_err(dev, "Unable to add PVID %d\n", vid_begin); |
| 523 | goto err_port_pvid_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 524 | } |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 525 | mlxsw_sp_port->pvid = vid_begin; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 526 | } |
| 527 | |
| 528 | /* Changing activity bits only if HW operation succeded */ |
Elad Raz | fc1273a | 2016-01-06 13:01:11 +0100 | [diff] [blame] | 529 | for (vid = vid_begin; vid <= vid_end; vid++) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 530 | set_bit(vid, mlxsw_sp_port->active_vlans); |
Elad Raz | fc1273a | 2016-01-06 13:01:11 +0100 | [diff] [blame] | 531 | if (flag_untagged) |
| 532 | set_bit(vid, mlxsw_sp_port->untagged_vlans); |
| 533 | else |
| 534 | clear_bit(vid, mlxsw_sp_port->untagged_vlans); |
| 535 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 536 | |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 537 | /* STP state change must be done after we set active VLANs */ |
| 538 | err = mlxsw_sp_port_stp_state_set(mlxsw_sp_port, |
| 539 | mlxsw_sp_port->stp_state); |
| 540 | if (err) { |
| 541 | netdev_err(dev, "Failed to set STP state\n"); |
| 542 | goto err_port_stp_state_set; |
| 543 | } |
| 544 | |
| 545 | return 0; |
| 546 | |
| 547 | err_port_vid_to_fid_set: |
| 548 | mlxsw_sp_fid_destroy(mlxsw_sp, vid); |
| 549 | return err; |
| 550 | |
| 551 | err_port_stp_state_set: |
| 552 | for (vid = vid_begin; vid <= vid_end; vid++) |
| 553 | clear_bit(vid, mlxsw_sp_port->active_vlans); |
| 554 | if (old_pvid != mlxsw_sp_port->pvid) |
| 555 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid); |
| 556 | err_port_pvid_set: |
| 557 | __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false, |
| 558 | false); |
| 559 | err_port_vlans_set: |
| 560 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, false, |
| 561 | false); |
| 562 | err_port_flood_set: |
| 563 | last_visited_vid = vid_end; |
| 564 | err_port_fid_map: |
| 565 | for (vid = last_visited_vid; vid >= vid_begin; vid--) |
| 566 | mlxsw_sp_port_fid_unmap(mlxsw_sp_port, vid); |
| 567 | return err; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 568 | } |
| 569 | |
| 570 | static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 571 | const struct switchdev_obj_port_vlan *vlan, |
| 572 | struct switchdev_trans *trans) |
| 573 | { |
Elad Raz | e4a1305 | 2016-01-06 13:01:09 +0100 | [diff] [blame] | 574 | bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; |
| 575 | bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 576 | |
| 577 | if (switchdev_trans_ph_prepare(trans)) |
| 578 | return 0; |
| 579 | |
| 580 | return __mlxsw_sp_port_vlans_add(mlxsw_sp_port, |
| 581 | vlan->vid_begin, vlan->vid_end, |
Elad Raz | e4a1305 | 2016-01-06 13:01:09 +0100 | [diff] [blame] | 582 | flag_untagged, flag_pvid); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 583 | } |
| 584 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 585 | static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic) |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 586 | { |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 587 | return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS : |
| 588 | MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY; |
| 589 | } |
| 590 | |
| 591 | static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding) |
| 592 | { |
| 593 | return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT : |
| 594 | MLXSW_REG_SFD_OP_WRITE_REMOVE; |
| 595 | } |
| 596 | |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 597 | static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 598 | const char *mac, u16 fid, bool adding, |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 599 | bool dynamic) |
| 600 | { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 601 | char *sfd_pl; |
| 602 | int err; |
| 603 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 604 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
| 605 | if (!sfd_pl) |
| 606 | return -ENOMEM; |
| 607 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 608 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
| 609 | mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 610 | mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 611 | local_port); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 612 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
| 613 | kfree(sfd_pl); |
| 614 | |
| 615 | return err; |
| 616 | } |
| 617 | |
| 618 | static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id, |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 619 | const char *mac, u16 fid, u16 lag_vid, |
| 620 | bool adding, bool dynamic) |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 621 | { |
| 622 | char *sfd_pl; |
| 623 | int err; |
| 624 | |
| 625 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
| 626 | if (!sfd_pl) |
| 627 | return -ENOMEM; |
| 628 | |
| 629 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
| 630 | mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 631 | mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, |
| 632 | lag_vid, lag_id); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 633 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 634 | kfree(sfd_pl); |
| 635 | |
| 636 | return err; |
| 637 | } |
| 638 | |
| 639 | static int |
| 640 | mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 641 | const struct switchdev_obj_port_fdb *fdb, |
| 642 | struct switchdev_trans *trans) |
| 643 | { |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 644 | u16 fid = fdb->vid; |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 645 | u16 lag_vid = 0; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 646 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 647 | if (switchdev_trans_ph_prepare(trans)) |
| 648 | return 0; |
| 649 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 650 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 651 | u16 vfid = mlxsw_sp_vport_vfid_get(mlxsw_sp_port); |
| 652 | |
| 653 | fid = mlxsw_sp_vfid_to_fid(vfid); |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 654 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 655 | } |
| 656 | |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 657 | if (!fid) |
| 658 | fid = mlxsw_sp_port->pvid; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 659 | |
| 660 | if (!mlxsw_sp_port->lagged) |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 661 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp, |
| 662 | mlxsw_sp_port->local_port, |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 663 | fdb->addr, fid, true, false); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 664 | else |
| 665 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp, |
| 666 | mlxsw_sp_port->lag_id, |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 667 | fdb->addr, fid, lag_vid, |
| 668 | true, false); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 669 | } |
| 670 | |
| 671 | static int mlxsw_sp_port_obj_add(struct net_device *dev, |
| 672 | const struct switchdev_obj *obj, |
| 673 | struct switchdev_trans *trans) |
| 674 | { |
| 675 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 676 | int err = 0; |
| 677 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 678 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
| 679 | if (!mlxsw_sp_port) |
| 680 | return -EINVAL; |
| 681 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 682 | switch (obj->id) { |
| 683 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 684 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
| 685 | return 0; |
| 686 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 687 | err = mlxsw_sp_port_vlans_add(mlxsw_sp_port, |
| 688 | SWITCHDEV_OBJ_PORT_VLAN(obj), |
| 689 | trans); |
| 690 | break; |
| 691 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
| 692 | err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port, |
| 693 | SWITCHDEV_OBJ_PORT_FDB(obj), |
| 694 | trans); |
| 695 | break; |
| 696 | default: |
| 697 | err = -EOPNOTSUPP; |
| 698 | break; |
| 699 | } |
| 700 | |
| 701 | return err; |
| 702 | } |
| 703 | |
| 704 | static int mlxsw_sp_port_kill_vids(struct net_device *dev, u16 vid_begin, |
| 705 | u16 vid_end) |
| 706 | { |
| 707 | u16 vid; |
| 708 | int err; |
| 709 | |
| 710 | for (vid = vid_begin; vid <= vid_end; vid++) { |
| 711 | err = mlxsw_sp_port_kill_vid(dev, 0, vid); |
| 712 | if (err) |
| 713 | return err; |
| 714 | } |
| 715 | |
| 716 | return 0; |
| 717 | } |
| 718 | |
| 719 | static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 720 | u16 vid_begin, u16 vid_end, bool init) |
| 721 | { |
| 722 | struct net_device *dev = mlxsw_sp_port->dev; |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 723 | u16 vid, pvid; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 724 | int err; |
| 725 | |
| 726 | /* In case this is invoked with BRIDGE_FLAGS_SELF and port is |
| 727 | * not bridged, then prevent packets ingressing through the |
| 728 | * port with the specified VIDs from being trapped to CPU. |
| 729 | */ |
| 730 | if (!init && !mlxsw_sp_port->bridged) |
| 731 | return mlxsw_sp_port_kill_vids(dev, vid_begin, vid_end); |
| 732 | |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 733 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
| 734 | false, false); |
| 735 | if (err) { |
| 736 | netdev_err(dev, "Unable to del VIDs %d-%d\n", vid_begin, |
| 737 | vid_end); |
| 738 | return err; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 739 | } |
| 740 | |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 741 | pvid = mlxsw_sp_port->pvid; |
| 742 | if (pvid >= vid_begin && pvid <= vid_end && pvid != 1) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 743 | /* Default VLAN is always 1 */ |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 744 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 745 | if (err) { |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 746 | netdev_err(dev, "Unable to del PVID %d\n", pvid); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 747 | return err; |
| 748 | } |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 749 | mlxsw_sp_port->pvid = 1; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | if (init) |
| 753 | goto out; |
| 754 | |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 755 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, |
| 756 | false, false); |
| 757 | if (err) { |
| 758 | netdev_err(dev, "Failed to clear flooding\n"); |
| 759 | return err; |
| 760 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 761 | |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 762 | for (vid = vid_begin; vid <= vid_end; vid++) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 763 | /* Remove FID mapping in case of Virtual mode */ |
| 764 | err = mlxsw_sp_port_fid_unmap(mlxsw_sp_port, vid); |
| 765 | if (err) { |
| 766 | netdev_err(dev, "Failed to unmap FID=%d", vid); |
| 767 | return err; |
| 768 | } |
| 769 | } |
| 770 | |
| 771 | out: |
| 772 | /* Changing activity bits only if HW operation succeded */ |
| 773 | for (vid = vid_begin; vid <= vid_end; vid++) |
| 774 | clear_bit(vid, mlxsw_sp_port->active_vlans); |
| 775 | |
| 776 | return 0; |
| 777 | } |
| 778 | |
| 779 | static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 780 | const struct switchdev_obj_port_vlan *vlan) |
| 781 | { |
| 782 | return __mlxsw_sp_port_vlans_del(mlxsw_sp_port, |
| 783 | vlan->vid_begin, vlan->vid_end, false); |
| 784 | } |
| 785 | |
| 786 | static int |
| 787 | mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 788 | const struct switchdev_obj_port_fdb *fdb) |
| 789 | { |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 790 | u16 fid = fdb->vid; |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 791 | u16 lag_vid = 0; |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 792 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 793 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 794 | u16 vfid = mlxsw_sp_vport_vfid_get(mlxsw_sp_port); |
| 795 | |
| 796 | fid = mlxsw_sp_vfid_to_fid(vfid); |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 797 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 798 | } |
| 799 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 800 | if (!mlxsw_sp_port->lagged) |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 801 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp, |
| 802 | mlxsw_sp_port->local_port, |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 803 | fdb->addr, fid, |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 804 | false, false); |
| 805 | else |
| 806 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp, |
| 807 | mlxsw_sp_port->lag_id, |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 808 | fdb->addr, fid, lag_vid, |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 809 | false, false); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 810 | } |
| 811 | |
| 812 | static int mlxsw_sp_port_obj_del(struct net_device *dev, |
| 813 | const struct switchdev_obj *obj) |
| 814 | { |
| 815 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 816 | int err = 0; |
| 817 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 818 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
| 819 | if (!mlxsw_sp_port) |
| 820 | return -EINVAL; |
| 821 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 822 | switch (obj->id) { |
| 823 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 824 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
| 825 | return 0; |
| 826 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 827 | err = mlxsw_sp_port_vlans_del(mlxsw_sp_port, |
| 828 | SWITCHDEV_OBJ_PORT_VLAN(obj)); |
| 829 | break; |
| 830 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
| 831 | err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port, |
| 832 | SWITCHDEV_OBJ_PORT_FDB(obj)); |
| 833 | break; |
| 834 | default: |
| 835 | err = -EOPNOTSUPP; |
| 836 | break; |
| 837 | } |
| 838 | |
| 839 | return err; |
| 840 | } |
| 841 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 842 | static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp, |
| 843 | u16 lag_id) |
| 844 | { |
| 845 | struct mlxsw_sp_port *mlxsw_sp_port; |
| 846 | int i; |
| 847 | |
| 848 | for (i = 0; i < MLXSW_SP_PORT_PER_LAG_MAX; i++) { |
| 849 | mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i); |
| 850 | if (mlxsw_sp_port) |
| 851 | return mlxsw_sp_port; |
| 852 | } |
| 853 | return NULL; |
| 854 | } |
| 855 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 856 | static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, |
| 857 | struct switchdev_obj_port_fdb *fdb, |
| 858 | switchdev_obj_dump_cb_t *cb) |
| 859 | { |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 860 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 861 | u16 vport_vid = 0, vport_fid = 0; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 862 | char *sfd_pl; |
| 863 | char mac[ETH_ALEN]; |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 864 | u16 fid; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 865 | u8 local_port; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 866 | u16 lag_id; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 867 | u8 num_rec; |
| 868 | int stored_err = 0; |
| 869 | int i; |
| 870 | int err; |
| 871 | |
| 872 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
| 873 | if (!sfd_pl) |
| 874 | return -ENOMEM; |
| 875 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 876 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 877 | u16 tmp; |
| 878 | |
| 879 | tmp = mlxsw_sp_vport_vfid_get(mlxsw_sp_port); |
| 880 | vport_fid = mlxsw_sp_vfid_to_fid(tmp); |
| 881 | vport_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
| 882 | } |
| 883 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 884 | mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0); |
| 885 | do { |
| 886 | mlxsw_reg_sfd_num_rec_set(sfd_pl, MLXSW_REG_SFD_REC_MAX_COUNT); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 887 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 888 | if (err) |
| 889 | goto out; |
| 890 | |
| 891 | num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); |
| 892 | |
| 893 | /* Even in case of error, we have to run the dump to the end |
| 894 | * so the session in firmware is finished. |
| 895 | */ |
| 896 | if (stored_err) |
| 897 | continue; |
| 898 | |
| 899 | for (i = 0; i < num_rec; i++) { |
| 900 | switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) { |
| 901 | case MLXSW_REG_SFD_REC_TYPE_UNICAST: |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 902 | mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, &fid, |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 903 | &local_port); |
| 904 | if (local_port == mlxsw_sp_port->local_port) { |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 905 | if (vport_fid && vport_fid != fid) |
| 906 | continue; |
| 907 | else if (vport_fid) |
| 908 | fdb->vid = vport_vid; |
| 909 | else |
| 910 | fdb->vid = fid; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 911 | ether_addr_copy(fdb->addr, mac); |
| 912 | fdb->ndm_state = NUD_REACHABLE; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 913 | err = cb(&fdb->obj); |
| 914 | if (err) |
| 915 | stored_err = err; |
| 916 | } |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 917 | break; |
| 918 | case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG: |
| 919 | mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i, |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 920 | mac, &fid, &lag_id); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 921 | if (mlxsw_sp_port == |
| 922 | mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id)) { |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 923 | if (vport_fid && vport_fid != fid) |
| 924 | continue; |
| 925 | else if (vport_fid) |
| 926 | fdb->vid = vport_vid; |
| 927 | else |
| 928 | fdb->vid = fid; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 929 | ether_addr_copy(fdb->addr, mac); |
| 930 | fdb->ndm_state = NUD_REACHABLE; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 931 | err = cb(&fdb->obj); |
| 932 | if (err) |
| 933 | stored_err = err; |
| 934 | } |
| 935 | break; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 936 | } |
| 937 | } |
| 938 | } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT); |
| 939 | |
| 940 | out: |
| 941 | kfree(sfd_pl); |
| 942 | return stored_err ? stored_err : err; |
| 943 | } |
| 944 | |
| 945 | static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port, |
| 946 | struct switchdev_obj_port_vlan *vlan, |
| 947 | switchdev_obj_dump_cb_t *cb) |
| 948 | { |
| 949 | u16 vid; |
| 950 | int err = 0; |
| 951 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 952 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 953 | vlan->flags = 0; |
| 954 | vlan->vid_begin = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
| 955 | vlan->vid_end = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
| 956 | return cb(&vlan->obj); |
| 957 | } |
| 958 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 959 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { |
| 960 | vlan->flags = 0; |
| 961 | if (vid == mlxsw_sp_port->pvid) |
| 962 | vlan->flags |= BRIDGE_VLAN_INFO_PVID; |
Elad Raz | fc1273a | 2016-01-06 13:01:11 +0100 | [diff] [blame] | 963 | if (test_bit(vid, mlxsw_sp_port->untagged_vlans)) |
| 964 | vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 965 | vlan->vid_begin = vid; |
| 966 | vlan->vid_end = vid; |
| 967 | err = cb(&vlan->obj); |
| 968 | if (err) |
| 969 | break; |
| 970 | } |
| 971 | return err; |
| 972 | } |
| 973 | |
| 974 | static int mlxsw_sp_port_obj_dump(struct net_device *dev, |
| 975 | struct switchdev_obj *obj, |
| 976 | switchdev_obj_dump_cb_t *cb) |
| 977 | { |
| 978 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 979 | int err = 0; |
| 980 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 981 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
| 982 | if (!mlxsw_sp_port) |
| 983 | return -EINVAL; |
| 984 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 985 | switch (obj->id) { |
| 986 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
| 987 | err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port, |
| 988 | SWITCHDEV_OBJ_PORT_VLAN(obj), cb); |
| 989 | break; |
| 990 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
| 991 | err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port, |
| 992 | SWITCHDEV_OBJ_PORT_FDB(obj), cb); |
| 993 | break; |
| 994 | default: |
| 995 | err = -EOPNOTSUPP; |
| 996 | break; |
| 997 | } |
| 998 | |
| 999 | return err; |
| 1000 | } |
| 1001 | |
Jiri Pirko | c7070fc | 2015-10-28 10:17:05 +0100 | [diff] [blame] | 1002 | static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1003 | .switchdev_port_attr_get = mlxsw_sp_port_attr_get, |
| 1004 | .switchdev_port_attr_set = mlxsw_sp_port_attr_set, |
| 1005 | .switchdev_port_obj_add = mlxsw_sp_port_obj_add, |
| 1006 | .switchdev_port_obj_del = mlxsw_sp_port_obj_del, |
| 1007 | .switchdev_port_obj_dump = mlxsw_sp_port_obj_dump, |
| 1008 | }; |
| 1009 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1010 | static void mlxsw_sp_fdb_call_notifiers(bool learning, bool learning_sync, |
| 1011 | bool adding, char *mac, u16 vid, |
| 1012 | struct net_device *dev) |
| 1013 | { |
| 1014 | struct switchdev_notifier_fdb_info info; |
| 1015 | unsigned long notifier_type; |
| 1016 | |
| 1017 | if (learning && learning_sync) { |
| 1018 | info.addr = mac; |
| 1019 | info.vid = vid; |
| 1020 | notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL; |
| 1021 | call_switchdev_notifiers(notifier_type, dev, &info.info); |
| 1022 | } |
| 1023 | } |
| 1024 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1025 | static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
| 1026 | char *sfn_pl, int rec_index, |
| 1027 | bool adding) |
| 1028 | { |
| 1029 | struct mlxsw_sp_port *mlxsw_sp_port; |
| 1030 | char mac[ETH_ALEN]; |
| 1031 | u8 local_port; |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1032 | u16 vid, fid; |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1033 | bool do_notification = true; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1034 | int err; |
| 1035 | |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1036 | mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1037 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
| 1038 | if (!mlxsw_sp_port) { |
| 1039 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n"); |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1040 | goto just_remove; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1041 | } |
| 1042 | |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1043 | if (mlxsw_sp_fid_is_vfid(fid)) { |
| 1044 | u16 vfid = mlxsw_sp_fid_to_vfid(fid); |
| 1045 | struct mlxsw_sp_port *mlxsw_sp_vport; |
| 1046 | |
| 1047 | mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_vfid(mlxsw_sp_port, |
| 1048 | vfid); |
| 1049 | if (!mlxsw_sp_vport) { |
| 1050 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n"); |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1051 | goto just_remove; |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1052 | } |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1053 | vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); |
| 1054 | /* Override the physical port with the vPort. */ |
| 1055 | mlxsw_sp_port = mlxsw_sp_vport; |
| 1056 | } else { |
| 1057 | vid = fid; |
| 1058 | } |
| 1059 | |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1060 | adding = adding && mlxsw_sp_port->learning; |
| 1061 | |
| 1062 | do_fdb_op: |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 1063 | err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1064 | adding, true); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1065 | if (err) { |
| 1066 | if (net_ratelimit()) |
| 1067 | netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n"); |
| 1068 | return; |
| 1069 | } |
| 1070 | |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1071 | if (!do_notification) |
| 1072 | return; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1073 | mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning, |
| 1074 | mlxsw_sp_port->learning_sync, |
| 1075 | adding, mac, vid, mlxsw_sp_port->dev); |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1076 | return; |
| 1077 | |
| 1078 | just_remove: |
| 1079 | adding = false; |
| 1080 | do_notification = false; |
| 1081 | goto do_fdb_op; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1082 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1083 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1084 | static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, |
| 1085 | char *sfn_pl, int rec_index, |
| 1086 | bool adding) |
| 1087 | { |
| 1088 | struct mlxsw_sp_port *mlxsw_sp_port; |
| 1089 | char mac[ETH_ALEN]; |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 1090 | u16 lag_vid = 0; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1091 | u16 lag_id; |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1092 | u16 vid, fid; |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1093 | bool do_notification = true; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1094 | int err; |
| 1095 | |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1096 | mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1097 | mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
| 1098 | if (!mlxsw_sp_port) { |
| 1099 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n"); |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1100 | goto just_remove; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1101 | } |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1102 | |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1103 | if (mlxsw_sp_fid_is_vfid(fid)) { |
| 1104 | u16 vfid = mlxsw_sp_fid_to_vfid(fid); |
| 1105 | struct mlxsw_sp_port *mlxsw_sp_vport; |
| 1106 | |
| 1107 | mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_vfid(mlxsw_sp_port, |
| 1108 | vfid); |
| 1109 | if (!mlxsw_sp_vport) { |
| 1110 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n"); |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1111 | goto just_remove; |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1112 | } |
| 1113 | |
| 1114 | vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 1115 | lag_vid = vid; |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1116 | /* Override the physical port with the vPort. */ |
| 1117 | mlxsw_sp_port = mlxsw_sp_vport; |
| 1118 | } else { |
| 1119 | vid = fid; |
| 1120 | } |
| 1121 | |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1122 | adding = adding && mlxsw_sp_port->learning; |
| 1123 | |
| 1124 | do_fdb_op: |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 1125 | err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid, |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1126 | adding, true); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1127 | if (err) { |
| 1128 | if (net_ratelimit()) |
| 1129 | netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n"); |
| 1130 | return; |
| 1131 | } |
| 1132 | |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1133 | if (!do_notification) |
| 1134 | return; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1135 | mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning, |
| 1136 | mlxsw_sp_port->learning_sync, |
| 1137 | adding, mac, vid, |
| 1138 | mlxsw_sp_lag_get(mlxsw_sp, lag_id)->dev); |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame^] | 1139 | return; |
| 1140 | |
| 1141 | just_remove: |
| 1142 | adding = false; |
| 1143 | do_notification = false; |
| 1144 | goto do_fdb_op; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1145 | } |
| 1146 | |
| 1147 | static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp, |
| 1148 | char *sfn_pl, int rec_index) |
| 1149 | { |
| 1150 | switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) { |
| 1151 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC: |
| 1152 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, |
| 1153 | rec_index, true); |
| 1154 | break; |
| 1155 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC: |
| 1156 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, |
| 1157 | rec_index, false); |
| 1158 | break; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1159 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG: |
| 1160 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, |
| 1161 | rec_index, true); |
| 1162 | break; |
| 1163 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG: |
| 1164 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, |
| 1165 | rec_index, false); |
| 1166 | break; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1167 | } |
| 1168 | } |
| 1169 | |
| 1170 | static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp) |
| 1171 | { |
| 1172 | schedule_delayed_work(&mlxsw_sp->fdb_notify.dw, |
| 1173 | msecs_to_jiffies(mlxsw_sp->fdb_notify.interval)); |
| 1174 | } |
| 1175 | |
| 1176 | static void mlxsw_sp_fdb_notify_work(struct work_struct *work) |
| 1177 | { |
| 1178 | struct mlxsw_sp *mlxsw_sp; |
| 1179 | char *sfn_pl; |
| 1180 | u8 num_rec; |
| 1181 | int i; |
| 1182 | int err; |
| 1183 | |
| 1184 | sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL); |
| 1185 | if (!sfn_pl) |
| 1186 | return; |
| 1187 | |
| 1188 | mlxsw_sp = container_of(work, struct mlxsw_sp, fdb_notify.dw.work); |
| 1189 | |
| 1190 | do { |
| 1191 | mlxsw_reg_sfn_pack(sfn_pl); |
| 1192 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl); |
| 1193 | if (err) { |
| 1194 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n"); |
| 1195 | break; |
| 1196 | } |
| 1197 | num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl); |
| 1198 | for (i = 0; i < num_rec; i++) |
| 1199 | mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i); |
| 1200 | |
| 1201 | } while (num_rec); |
| 1202 | |
| 1203 | kfree(sfn_pl); |
| 1204 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); |
| 1205 | } |
| 1206 | |
| 1207 | static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp) |
| 1208 | { |
| 1209 | int err; |
| 1210 | |
| 1211 | err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME); |
| 1212 | if (err) { |
| 1213 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n"); |
| 1214 | return err; |
| 1215 | } |
| 1216 | INIT_DELAYED_WORK(&mlxsw_sp->fdb_notify.dw, mlxsw_sp_fdb_notify_work); |
| 1217 | mlxsw_sp->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL; |
| 1218 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); |
| 1219 | return 0; |
| 1220 | } |
| 1221 | |
| 1222 | static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp) |
| 1223 | { |
| 1224 | cancel_delayed_work_sync(&mlxsw_sp->fdb_notify.dw); |
| 1225 | } |
| 1226 | |
| 1227 | static void mlxsw_sp_fids_fini(struct mlxsw_sp *mlxsw_sp) |
| 1228 | { |
| 1229 | u16 fid; |
| 1230 | |
| 1231 | for_each_set_bit(fid, mlxsw_sp->active_fids, VLAN_N_VID) |
| 1232 | mlxsw_sp_fid_destroy(mlxsw_sp, fid); |
| 1233 | } |
| 1234 | |
| 1235 | int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) |
| 1236 | { |
| 1237 | return mlxsw_sp_fdb_init(mlxsw_sp); |
| 1238 | } |
| 1239 | |
| 1240 | void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) |
| 1241 | { |
| 1242 | mlxsw_sp_fdb_fini(mlxsw_sp); |
| 1243 | mlxsw_sp_fids_fini(mlxsw_sp); |
| 1244 | } |
| 1245 | |
| 1246 | int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port) |
| 1247 | { |
| 1248 | struct net_device *dev = mlxsw_sp_port->dev; |
| 1249 | int err; |
| 1250 | |
| 1251 | /* Allow only untagged packets to ingress and tag them internally |
| 1252 | * with VID 1. |
| 1253 | */ |
| 1254 | mlxsw_sp_port->pvid = 1; |
Elad Raz | 29edf44 | 2016-01-06 13:01:08 +0100 | [diff] [blame] | 1255 | err = __mlxsw_sp_port_vlans_del(mlxsw_sp_port, 0, VLAN_N_VID - 1, |
| 1256 | true); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1257 | if (err) { |
| 1258 | netdev_err(dev, "Unable to init VLANs\n"); |
| 1259 | return err; |
| 1260 | } |
| 1261 | |
| 1262 | /* Add implicit VLAN interface in the device, so that untagged |
| 1263 | * packets will be classified to the default vFID. |
| 1264 | */ |
| 1265 | err = mlxsw_sp_port_add_vid(dev, 0, 1); |
| 1266 | if (err) |
| 1267 | netdev_err(dev, "Failed to configure default vFID\n"); |
| 1268 | |
| 1269 | return err; |
| 1270 | } |
| 1271 | |
| 1272 | void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port) |
| 1273 | { |
| 1274 | mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops; |
| 1275 | } |
| 1276 | |
| 1277 | void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port) |
| 1278 | { |
| 1279 | } |