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> |
Ido Schimmel | 4f2c6ae | 2016-01-27 15:16:43 +0100 | [diff] [blame] | 48 | #include <linux/rtnetlink.h> |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 49 | #include <net/switchdev.h> |
| 50 | |
| 51 | #include "spectrum.h" |
| 52 | #include "core.h" |
| 53 | #include "reg.h" |
| 54 | |
Elad Raz | e4b6f69 | 2016-01-10 21:06:27 +0100 | [diff] [blame] | 55 | static u16 mlxsw_sp_port_vid_to_fid_get(struct mlxsw_sp_port *mlxsw_sp_port, |
| 56 | u16 vid) |
| 57 | { |
| 58 | u16 fid = vid; |
| 59 | |
| 60 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 61 | u16 vfid = mlxsw_sp_vport_vfid_get(mlxsw_sp_port); |
| 62 | |
| 63 | fid = mlxsw_sp_vfid_to_fid(vfid); |
| 64 | } |
| 65 | |
| 66 | if (!fid) |
| 67 | fid = mlxsw_sp_port->pvid; |
| 68 | |
| 69 | return fid; |
| 70 | } |
| 71 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 72 | static struct mlxsw_sp_port * |
| 73 | mlxsw_sp_port_orig_get(struct net_device *dev, |
| 74 | struct mlxsw_sp_port *mlxsw_sp_port) |
| 75 | { |
| 76 | struct mlxsw_sp_port *mlxsw_sp_vport; |
| 77 | u16 vid; |
| 78 | |
| 79 | if (!is_vlan_dev(dev)) |
| 80 | return mlxsw_sp_port; |
| 81 | |
| 82 | vid = vlan_dev_vlan_id(dev); |
| 83 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); |
| 84 | WARN_ON(!mlxsw_sp_vport); |
| 85 | |
| 86 | return mlxsw_sp_vport; |
| 87 | } |
| 88 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 89 | static int mlxsw_sp_port_attr_get(struct net_device *dev, |
| 90 | struct switchdev_attr *attr) |
| 91 | { |
| 92 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 93 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 94 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 95 | mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port); |
| 96 | if (!mlxsw_sp_port) |
| 97 | return -EINVAL; |
| 98 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 99 | switch (attr->id) { |
| 100 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: |
| 101 | attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac); |
| 102 | memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac, |
| 103 | attr->u.ppid.id_len); |
| 104 | break; |
| 105 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: |
| 106 | attr->u.brport_flags = |
| 107 | (mlxsw_sp_port->learning ? BR_LEARNING : 0) | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 108 | (mlxsw_sp_port->learning_sync ? BR_LEARNING_SYNC : 0) | |
| 109 | (mlxsw_sp_port->uc_flood ? BR_FLOOD : 0); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 110 | break; |
| 111 | default: |
| 112 | return -EOPNOTSUPP; |
| 113 | } |
| 114 | |
| 115 | return 0; |
| 116 | } |
| 117 | |
| 118 | static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 119 | u8 state) |
| 120 | { |
| 121 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 122 | enum mlxsw_reg_spms_state spms_state; |
| 123 | char *spms_pl; |
| 124 | u16 vid; |
| 125 | int err; |
| 126 | |
| 127 | switch (state) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 128 | case BR_STATE_FORWARDING: |
| 129 | spms_state = MLXSW_REG_SPMS_STATE_FORWARDING; |
| 130 | break; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 131 | case BR_STATE_LEARNING: |
| 132 | spms_state = MLXSW_REG_SPMS_STATE_LEARNING; |
| 133 | break; |
Ido Schimmel | 4549113 | 2016-01-27 15:20:20 +0100 | [diff] [blame] | 134 | case BR_STATE_LISTENING: /* fall-through */ |
Ido Schimmel | 9cb026e | 2016-01-27 15:20:19 +0100 | [diff] [blame] | 135 | case BR_STATE_DISABLED: /* fall-through */ |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 136 | case BR_STATE_BLOCKING: |
| 137 | spms_state = MLXSW_REG_SPMS_STATE_DISCARDING; |
| 138 | break; |
| 139 | default: |
| 140 | BUG(); |
| 141 | } |
| 142 | |
| 143 | spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); |
| 144 | if (!spms_pl) |
| 145 | return -ENOMEM; |
| 146 | mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 147 | |
| 148 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 149 | vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 150 | mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 151 | } else { |
| 152 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) |
| 153 | mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); |
| 154 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 155 | |
| 156 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); |
| 157 | kfree(spms_pl); |
| 158 | return err; |
| 159 | } |
| 160 | |
| 161 | static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 162 | struct switchdev_trans *trans, |
| 163 | u8 state) |
| 164 | { |
| 165 | if (switchdev_trans_ph_prepare(trans)) |
| 166 | return 0; |
| 167 | |
| 168 | mlxsw_sp_port->stp_state = state; |
| 169 | return mlxsw_sp_port_stp_state_set(mlxsw_sp_port, state); |
| 170 | } |
| 171 | |
Ido Schimmel | 26f0e7f | 2015-12-15 16:03:44 +0100 | [diff] [blame] | 172 | static bool mlxsw_sp_vfid_is_vport_br(u16 vfid) |
| 173 | { |
| 174 | return vfid >= MLXSW_SP_VFID_PORT_MAX; |
| 175 | } |
| 176 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 177 | 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] | 178 | u16 idx_begin, u16 idx_end, bool set, |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 179 | bool only_uc) |
| 180 | { |
| 181 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 182 | u16 local_port = mlxsw_sp_port->local_port; |
| 183 | enum mlxsw_flood_table_type table_type; |
Ido Schimmel | c06a94e | 2015-12-15 16:03:38 +0100 | [diff] [blame] | 184 | u16 range = idx_end - idx_begin + 1; |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 185 | char *sftr_pl; |
| 186 | int err; |
| 187 | |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 188 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 189 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID; |
Ido Schimmel | 26f0e7f | 2015-12-15 16:03:44 +0100 | [diff] [blame] | 190 | if (mlxsw_sp_vfid_is_vport_br(idx_begin)) |
| 191 | local_port = mlxsw_sp_port->local_port; |
| 192 | else |
| 193 | local_port = MLXSW_PORT_CPU_PORT; |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 194 | } else { |
| 195 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; |
| 196 | } |
| 197 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 198 | sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL); |
| 199 | if (!sftr_pl) |
| 200 | return -ENOMEM; |
| 201 | |
Ido Schimmel | c06a94e | 2015-12-15 16:03:38 +0100 | [diff] [blame] | 202 | 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] | 203 | table_type, range, local_port, set); |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 204 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); |
| 205 | if (err) |
| 206 | goto buffer_out; |
| 207 | |
| 208 | /* Flooding control allows one to decide whether a given port will |
| 209 | * flood unicast traffic for which there is no FDB entry. |
| 210 | */ |
| 211 | if (only_uc) |
| 212 | goto buffer_out; |
| 213 | |
Ido Schimmel | c06a94e | 2015-12-15 16:03:38 +0100 | [diff] [blame] | 214 | 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] | 215 | table_type, range, local_port, set); |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 216 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); |
| 217 | |
| 218 | buffer_out: |
| 219 | kfree(sftr_pl); |
| 220 | return err; |
| 221 | } |
| 222 | |
| 223 | static int mlxsw_sp_port_uc_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 224 | bool set) |
| 225 | { |
| 226 | struct net_device *dev = mlxsw_sp_port->dev; |
| 227 | u16 vid, last_visited_vid; |
| 228 | int err; |
| 229 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 230 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 231 | u16 vfid = mlxsw_sp_vport_vfid_get(mlxsw_sp_port); |
| 232 | |
| 233 | return __mlxsw_sp_port_flood_set(mlxsw_sp_port, vfid, vfid, |
| 234 | set, true); |
| 235 | } |
| 236 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 237 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { |
| 238 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, set, |
| 239 | true); |
| 240 | if (err) { |
| 241 | last_visited_vid = vid; |
| 242 | goto err_port_flood_set; |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | return 0; |
| 247 | |
| 248 | err_port_flood_set: |
| 249 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, last_visited_vid) |
| 250 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, !set, true); |
| 251 | netdev_err(dev, "Failed to configure unicast flooding\n"); |
| 252 | return err; |
| 253 | } |
| 254 | |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 255 | 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] | 256 | bool set, bool only_uc) |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 257 | { |
| 258 | /* In case of vFIDs, index into the flooding table is relative to |
| 259 | * the start of the vFIDs range. |
| 260 | */ |
Ido Schimmel | 19ae612 | 2015-12-15 16:03:39 +0100 | [diff] [blame] | 261 | return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set, |
| 262 | only_uc); |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 263 | } |
| 264 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 265 | static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 266 | struct switchdev_trans *trans, |
| 267 | unsigned long brport_flags) |
| 268 | { |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 269 | unsigned long uc_flood = mlxsw_sp_port->uc_flood ? BR_FLOOD : 0; |
| 270 | bool set; |
| 271 | int err; |
| 272 | |
Ido Schimmel | 6c72a3d | 2016-01-04 10:42:26 +0100 | [diff] [blame] | 273 | if (!mlxsw_sp_port->bridged) |
| 274 | return -EINVAL; |
| 275 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 276 | if (switchdev_trans_ph_prepare(trans)) |
| 277 | return 0; |
| 278 | |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 279 | if ((uc_flood ^ brport_flags) & BR_FLOOD) { |
| 280 | set = mlxsw_sp_port->uc_flood ? false : true; |
| 281 | err = mlxsw_sp_port_uc_flood_set(mlxsw_sp_port, set); |
| 282 | if (err) |
| 283 | return err; |
| 284 | } |
| 285 | |
| 286 | mlxsw_sp_port->uc_flood = brport_flags & BR_FLOOD ? 1 : 0; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 287 | mlxsw_sp_port->learning = brport_flags & BR_LEARNING ? 1 : 0; |
| 288 | mlxsw_sp_port->learning_sync = brport_flags & BR_LEARNING_SYNC ? 1 : 0; |
Ido Schimmel | 0293038 | 2015-10-28 10:16:58 +0100 | [diff] [blame] | 289 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 290 | return 0; |
| 291 | } |
| 292 | |
| 293 | static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time) |
| 294 | { |
| 295 | char sfdat_pl[MLXSW_REG_SFDAT_LEN]; |
| 296 | int err; |
| 297 | |
| 298 | mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time); |
| 299 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl); |
| 300 | if (err) |
| 301 | return err; |
| 302 | mlxsw_sp->ageing_time = ageing_time; |
| 303 | return 0; |
| 304 | } |
| 305 | |
| 306 | static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 307 | struct switchdev_trans *trans, |
Jiri Pirko | 135f9ec | 2015-10-28 10:17:02 +0100 | [diff] [blame] | 308 | unsigned long ageing_clock_t) |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 309 | { |
| 310 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
Jiri Pirko | 135f9ec | 2015-10-28 10:17:02 +0100 | [diff] [blame] | 311 | unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 312 | u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000; |
| 313 | |
| 314 | if (switchdev_trans_ph_prepare(trans)) |
| 315 | return 0; |
| 316 | |
| 317 | return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time); |
| 318 | } |
| 319 | |
Elad Raz | 26a4ea0 | 2016-01-06 13:01:10 +0100 | [diff] [blame] | 320 | static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 321 | struct switchdev_trans *trans, |
| 322 | struct net_device *orig_dev, |
| 323 | bool vlan_enabled) |
| 324 | { |
| 325 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 326 | |
| 327 | /* SWITCHDEV_TRANS_PREPARE phase */ |
| 328 | if ((!vlan_enabled) && (mlxsw_sp->master_bridge.dev == orig_dev)) { |
| 329 | netdev_err(mlxsw_sp_port->dev, "Bridge must be vlan-aware\n"); |
| 330 | return -EINVAL; |
| 331 | } |
| 332 | |
| 333 | return 0; |
| 334 | } |
| 335 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 336 | static int mlxsw_sp_port_attr_set(struct net_device *dev, |
| 337 | const struct switchdev_attr *attr, |
| 338 | struct switchdev_trans *trans) |
| 339 | { |
| 340 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 341 | int err = 0; |
| 342 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 343 | mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port); |
| 344 | if (!mlxsw_sp_port) |
| 345 | return -EINVAL; |
| 346 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 347 | switch (attr->id) { |
| 348 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: |
| 349 | err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans, |
| 350 | attr->u.stp_state); |
| 351 | break; |
| 352 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: |
| 353 | err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans, |
| 354 | attr->u.brport_flags); |
| 355 | break; |
| 356 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: |
| 357 | err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans, |
| 358 | attr->u.ageing_time); |
| 359 | break; |
Elad Raz | 26a4ea0 | 2016-01-06 13:01:10 +0100 | [diff] [blame] | 360 | case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: |
| 361 | err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans, |
| 362 | attr->orig_dev, |
| 363 | attr->u.vlan_filtering); |
| 364 | break; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 365 | default: |
| 366 | err = -EOPNOTSUPP; |
| 367 | break; |
| 368 | } |
| 369 | |
| 370 | return err; |
| 371 | } |
| 372 | |
| 373 | static int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) |
| 374 | { |
| 375 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 376 | char spvid_pl[MLXSW_REG_SPVID_LEN]; |
| 377 | |
| 378 | mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid); |
| 379 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); |
| 380 | } |
| 381 | |
| 382 | static int mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp, u16 fid) |
| 383 | { |
| 384 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; |
| 385 | int err; |
| 386 | |
| 387 | mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_CREATE_FID, fid, fid); |
| 388 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); |
| 389 | |
| 390 | if (err) |
| 391 | return err; |
| 392 | |
| 393 | set_bit(fid, mlxsw_sp->active_fids); |
| 394 | return 0; |
| 395 | } |
| 396 | |
| 397 | static void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp, u16 fid) |
| 398 | { |
| 399 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; |
| 400 | |
| 401 | clear_bit(fid, mlxsw_sp->active_fids); |
| 402 | |
| 403 | mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_DESTROY_FID, |
| 404 | fid, fid); |
| 405 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); |
| 406 | } |
| 407 | |
| 408 | static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid) |
| 409 | { |
| 410 | enum mlxsw_reg_svfa_mt mt; |
| 411 | |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 412 | if (!list_empty(&mlxsw_sp_port->vports_list)) |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 413 | mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; |
| 414 | else |
| 415 | mt = MLXSW_REG_SVFA_MT_VID_TO_FID; |
| 416 | |
| 417 | return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, true, fid, fid); |
| 418 | } |
| 419 | |
| 420 | static int mlxsw_sp_port_fid_unmap(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid) |
| 421 | { |
| 422 | enum mlxsw_reg_svfa_mt mt; |
| 423 | |
Ido Schimmel | 7f71eb4 | 2015-12-15 16:03:37 +0100 | [diff] [blame] | 424 | if (list_empty(&mlxsw_sp_port->vports_list)) |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 425 | return 0; |
| 426 | |
| 427 | mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; |
| 428 | return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, false, fid, fid); |
| 429 | } |
| 430 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 431 | static int mlxsw_sp_port_add_vids(struct net_device *dev, u16 vid_begin, |
| 432 | u16 vid_end) |
| 433 | { |
| 434 | u16 vid; |
| 435 | int err; |
| 436 | |
| 437 | for (vid = vid_begin; vid <= vid_end; vid++) { |
| 438 | err = mlxsw_sp_port_add_vid(dev, 0, vid); |
| 439 | if (err) |
| 440 | goto err_port_add_vid; |
| 441 | } |
| 442 | return 0; |
| 443 | |
| 444 | err_port_add_vid: |
| 445 | for (vid--; vid >= vid_begin; vid--) |
| 446 | mlxsw_sp_port_kill_vid(dev, 0, vid); |
| 447 | return err; |
| 448 | } |
| 449 | |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 450 | static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port *mlxsw_sp_port, |
| 451 | u16 vid_begin, u16 vid_end, bool is_member, |
| 452 | bool untagged) |
| 453 | { |
| 454 | u16 vid, vid_e; |
| 455 | int err; |
| 456 | |
| 457 | for (vid = vid_begin; vid <= vid_end; |
| 458 | vid += MLXSW_REG_SPVM_REC_MAX_COUNT) { |
| 459 | vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1), |
| 460 | vid_end); |
| 461 | |
| 462 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, |
| 463 | is_member, untagged); |
| 464 | if (err) |
| 465 | return err; |
| 466 | } |
| 467 | |
| 468 | return 0; |
| 469 | } |
| 470 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 471 | static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 472 | u16 vid_begin, u16 vid_end, |
| 473 | bool flag_untagged, bool flag_pvid) |
| 474 | { |
| 475 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 476 | struct net_device *dev = mlxsw_sp_port->dev; |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 477 | u16 vid, last_visited_vid, old_pvid; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 478 | enum mlxsw_reg_svfa_mt mt; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 479 | int err; |
| 480 | |
| 481 | /* In case this is invoked with BRIDGE_FLAGS_SELF and port is |
| 482 | * not bridged, then packets ingressing through the port with |
| 483 | * the specified VIDs will be directed to CPU. |
| 484 | */ |
| 485 | if (!mlxsw_sp_port->bridged) |
| 486 | return mlxsw_sp_port_add_vids(dev, vid_begin, vid_end); |
| 487 | |
| 488 | for (vid = vid_begin; vid <= vid_end; vid++) { |
| 489 | if (!test_bit(vid, mlxsw_sp->active_fids)) { |
| 490 | err = mlxsw_sp_fid_create(mlxsw_sp, vid); |
| 491 | if (err) { |
| 492 | netdev_err(dev, "Failed to create FID=%d\n", |
| 493 | vid); |
| 494 | return err; |
| 495 | } |
| 496 | |
| 497 | /* When creating a FID, we set a VID to FID mapping |
| 498 | * regardless of the port's mode. |
| 499 | */ |
| 500 | mt = MLXSW_REG_SVFA_MT_VID_TO_FID; |
| 501 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, |
| 502 | true, vid, vid); |
| 503 | if (err) { |
| 504 | netdev_err(dev, "Failed to create FID=VID=%d mapping\n", |
| 505 | vid); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 506 | goto err_port_vid_to_fid_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 507 | } |
| 508 | } |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 509 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 510 | |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 511 | /* Set FID mapping according to port's mode */ |
| 512 | for (vid = vid_begin; vid <= vid_end; vid++) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 513 | err = mlxsw_sp_port_fid_map(mlxsw_sp_port, vid); |
| 514 | if (err) { |
| 515 | netdev_err(dev, "Failed to map FID=%d", vid); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 516 | last_visited_vid = --vid; |
| 517 | goto err_port_fid_map; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 518 | } |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 519 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 520 | |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 521 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, |
| 522 | true, false); |
| 523 | if (err) { |
| 524 | netdev_err(dev, "Failed to configure flooding\n"); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 525 | goto err_port_flood_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 526 | } |
| 527 | |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 528 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
| 529 | true, flag_untagged); |
| 530 | if (err) { |
| 531 | netdev_err(dev, "Unable to add VIDs %d-%d\n", vid_begin, |
| 532 | vid_end); |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 533 | goto err_port_vlans_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 534 | } |
| 535 | |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 536 | old_pvid = mlxsw_sp_port->pvid; |
| 537 | if (flag_pvid && old_pvid != vid_begin) { |
| 538 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid_begin); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 539 | if (err) { |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 540 | netdev_err(dev, "Unable to add PVID %d\n", vid_begin); |
| 541 | goto err_port_pvid_set; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 542 | } |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 543 | mlxsw_sp_port->pvid = vid_begin; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 544 | } |
| 545 | |
| 546 | /* Changing activity bits only if HW operation succeded */ |
Elad Raz | fc1273a | 2016-01-06 13:01:11 +0100 | [diff] [blame] | 547 | for (vid = vid_begin; vid <= vid_end; vid++) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 548 | set_bit(vid, mlxsw_sp_port->active_vlans); |
Elad Raz | fc1273a | 2016-01-06 13:01:11 +0100 | [diff] [blame] | 549 | if (flag_untagged) |
| 550 | set_bit(vid, mlxsw_sp_port->untagged_vlans); |
| 551 | else |
| 552 | clear_bit(vid, mlxsw_sp_port->untagged_vlans); |
| 553 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 554 | |
Ido Schimmel | b07a966 | 2015-11-19 12:27:40 +0100 | [diff] [blame] | 555 | /* STP state change must be done after we set active VLANs */ |
| 556 | err = mlxsw_sp_port_stp_state_set(mlxsw_sp_port, |
| 557 | mlxsw_sp_port->stp_state); |
| 558 | if (err) { |
| 559 | netdev_err(dev, "Failed to set STP state\n"); |
| 560 | goto err_port_stp_state_set; |
| 561 | } |
| 562 | |
| 563 | return 0; |
| 564 | |
| 565 | err_port_vid_to_fid_set: |
| 566 | mlxsw_sp_fid_destroy(mlxsw_sp, vid); |
| 567 | return err; |
| 568 | |
| 569 | err_port_stp_state_set: |
| 570 | for (vid = vid_begin; vid <= vid_end; vid++) |
| 571 | clear_bit(vid, mlxsw_sp_port->active_vlans); |
| 572 | if (old_pvid != mlxsw_sp_port->pvid) |
| 573 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid); |
| 574 | err_port_pvid_set: |
| 575 | __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false, |
| 576 | false); |
| 577 | err_port_vlans_set: |
| 578 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, false, |
| 579 | false); |
| 580 | err_port_flood_set: |
| 581 | last_visited_vid = vid_end; |
| 582 | err_port_fid_map: |
| 583 | for (vid = last_visited_vid; vid >= vid_begin; vid--) |
| 584 | mlxsw_sp_port_fid_unmap(mlxsw_sp_port, vid); |
| 585 | return err; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 586 | } |
| 587 | |
| 588 | static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 589 | const struct switchdev_obj_port_vlan *vlan, |
| 590 | struct switchdev_trans *trans) |
| 591 | { |
Elad Raz | e4a1305 | 2016-01-06 13:01:09 +0100 | [diff] [blame] | 592 | bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; |
| 593 | bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 594 | |
| 595 | if (switchdev_trans_ph_prepare(trans)) |
| 596 | return 0; |
| 597 | |
| 598 | return __mlxsw_sp_port_vlans_add(mlxsw_sp_port, |
| 599 | vlan->vid_begin, vlan->vid_end, |
Elad Raz | e4a1305 | 2016-01-06 13:01:09 +0100 | [diff] [blame] | 600 | flag_untagged, flag_pvid); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 601 | } |
| 602 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 603 | 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] | 604 | { |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 605 | return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS : |
| 606 | MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY; |
| 607 | } |
| 608 | |
| 609 | static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding) |
| 610 | { |
| 611 | return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT : |
| 612 | MLXSW_REG_SFD_OP_WRITE_REMOVE; |
| 613 | } |
| 614 | |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 615 | 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] | 616 | const char *mac, u16 fid, bool adding, |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 617 | bool dynamic) |
| 618 | { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 619 | char *sfd_pl; |
| 620 | int err; |
| 621 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 622 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
| 623 | if (!sfd_pl) |
| 624 | return -ENOMEM; |
| 625 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 626 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
| 627 | 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] | 628 | mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 629 | local_port); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 630 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
| 631 | kfree(sfd_pl); |
| 632 | |
| 633 | return err; |
| 634 | } |
| 635 | |
| 636 | 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] | 637 | const char *mac, u16 fid, u16 lag_vid, |
| 638 | bool adding, bool dynamic) |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 639 | { |
| 640 | char *sfd_pl; |
| 641 | int err; |
| 642 | |
| 643 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
| 644 | if (!sfd_pl) |
| 645 | return -ENOMEM; |
| 646 | |
| 647 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
| 648 | 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] | 649 | mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, |
| 650 | lag_vid, lag_id); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 651 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 652 | kfree(sfd_pl); |
| 653 | |
| 654 | return err; |
| 655 | } |
| 656 | |
| 657 | static int |
| 658 | mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 659 | const struct switchdev_obj_port_fdb *fdb, |
| 660 | struct switchdev_trans *trans) |
| 661 | { |
Elad Raz | e4b6f69 | 2016-01-10 21:06:27 +0100 | [diff] [blame] | 662 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid); |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 663 | u16 lag_vid = 0; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 664 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 665 | if (switchdev_trans_ph_prepare(trans)) |
| 666 | return 0; |
| 667 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 668 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 669 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 670 | } |
| 671 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 672 | if (!mlxsw_sp_port->lagged) |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 673 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp, |
| 674 | mlxsw_sp_port->local_port, |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 675 | fdb->addr, fid, true, false); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 676 | else |
| 677 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp, |
| 678 | mlxsw_sp_port->lag_id, |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 679 | fdb->addr, fid, lag_vid, |
| 680 | true, false); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 681 | } |
| 682 | |
Elad Raz | 3a49b4f | 2016-01-10 21:06:28 +0100 | [diff] [blame] | 683 | static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr, |
| 684 | u16 fid, u16 mid, bool adding) |
| 685 | { |
| 686 | char *sfd_pl; |
| 687 | int err; |
| 688 | |
| 689 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
| 690 | if (!sfd_pl) |
| 691 | return -ENOMEM; |
| 692 | |
| 693 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
| 694 | mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid, |
| 695 | MLXSW_REG_SFD_REC_ACTION_NOP, mid); |
| 696 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
| 697 | kfree(sfd_pl); |
| 698 | return err; |
| 699 | } |
| 700 | |
| 701 | static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid, |
| 702 | bool add, bool clear_all_ports) |
| 703 | { |
| 704 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 705 | char *smid_pl; |
| 706 | int err, i; |
| 707 | |
| 708 | smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL); |
| 709 | if (!smid_pl) |
| 710 | return -ENOMEM; |
| 711 | |
| 712 | mlxsw_reg_smid_pack(smid_pl, mid, mlxsw_sp_port->local_port, add); |
| 713 | if (clear_all_ports) { |
| 714 | for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++) |
| 715 | if (mlxsw_sp->ports[i]) |
| 716 | mlxsw_reg_smid_port_mask_set(smid_pl, i, 1); |
| 717 | } |
| 718 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl); |
| 719 | kfree(smid_pl); |
| 720 | return err; |
| 721 | } |
| 722 | |
| 723 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp, |
| 724 | const unsigned char *addr, |
| 725 | u16 vid) |
| 726 | { |
| 727 | struct mlxsw_sp_mid *mid; |
| 728 | |
| 729 | list_for_each_entry(mid, &mlxsw_sp->br_mids.list, list) { |
| 730 | if (ether_addr_equal(mid->addr, addr) && mid->vid == vid) |
| 731 | return mid; |
| 732 | } |
| 733 | return NULL; |
| 734 | } |
| 735 | |
| 736 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, |
| 737 | const unsigned char *addr, |
| 738 | u16 vid) |
| 739 | { |
| 740 | struct mlxsw_sp_mid *mid; |
| 741 | u16 mid_idx; |
| 742 | |
| 743 | mid_idx = find_first_zero_bit(mlxsw_sp->br_mids.mapped, |
| 744 | MLXSW_SP_MID_MAX); |
| 745 | if (mid_idx == MLXSW_SP_MID_MAX) |
| 746 | return NULL; |
| 747 | |
| 748 | mid = kzalloc(sizeof(*mid), GFP_KERNEL); |
| 749 | if (!mid) |
| 750 | return NULL; |
| 751 | |
| 752 | set_bit(mid_idx, mlxsw_sp->br_mids.mapped); |
| 753 | ether_addr_copy(mid->addr, addr); |
| 754 | mid->vid = vid; |
| 755 | mid->mid = mid_idx; |
| 756 | mid->ref_count = 0; |
| 757 | list_add_tail(&mid->list, &mlxsw_sp->br_mids.list); |
| 758 | |
| 759 | return mid; |
| 760 | } |
| 761 | |
| 762 | static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp *mlxsw_sp, |
| 763 | struct mlxsw_sp_mid *mid) |
| 764 | { |
| 765 | if (--mid->ref_count == 0) { |
| 766 | list_del(&mid->list); |
| 767 | clear_bit(mid->mid, mlxsw_sp->br_mids.mapped); |
| 768 | kfree(mid); |
| 769 | return 1; |
| 770 | } |
| 771 | return 0; |
| 772 | } |
| 773 | |
| 774 | static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, |
| 775 | const struct switchdev_obj_port_mdb *mdb, |
| 776 | struct switchdev_trans *trans) |
| 777 | { |
| 778 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 779 | struct net_device *dev = mlxsw_sp_port->dev; |
| 780 | struct mlxsw_sp_mid *mid; |
| 781 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid); |
| 782 | int err = 0; |
| 783 | |
| 784 | if (switchdev_trans_ph_prepare(trans)) |
| 785 | return 0; |
| 786 | |
| 787 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid); |
| 788 | if (!mid) { |
| 789 | mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, mdb->vid); |
| 790 | if (!mid) { |
| 791 | netdev_err(dev, "Unable to allocate MC group\n"); |
| 792 | return -ENOMEM; |
| 793 | } |
| 794 | } |
| 795 | mid->ref_count++; |
| 796 | |
| 797 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true, |
| 798 | mid->ref_count == 1); |
| 799 | if (err) { |
| 800 | netdev_err(dev, "Unable to set SMID\n"); |
| 801 | goto err_out; |
| 802 | } |
| 803 | |
| 804 | if (mid->ref_count == 1) { |
| 805 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid->mid, |
| 806 | true); |
| 807 | if (err) { |
| 808 | netdev_err(dev, "Unable to set MC SFD\n"); |
| 809 | goto err_out; |
| 810 | } |
| 811 | } |
| 812 | |
| 813 | return 0; |
| 814 | |
| 815 | err_out: |
| 816 | __mlxsw_sp_mc_dec_ref(mlxsw_sp, mid); |
| 817 | return err; |
| 818 | } |
| 819 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 820 | static int mlxsw_sp_port_obj_add(struct net_device *dev, |
| 821 | const struct switchdev_obj *obj, |
| 822 | struct switchdev_trans *trans) |
| 823 | { |
| 824 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 825 | int err = 0; |
| 826 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 827 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
| 828 | if (!mlxsw_sp_port) |
| 829 | return -EINVAL; |
| 830 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 831 | switch (obj->id) { |
| 832 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 833 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
| 834 | return 0; |
| 835 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 836 | err = mlxsw_sp_port_vlans_add(mlxsw_sp_port, |
| 837 | SWITCHDEV_OBJ_PORT_VLAN(obj), |
| 838 | trans); |
| 839 | break; |
| 840 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
| 841 | err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port, |
| 842 | SWITCHDEV_OBJ_PORT_FDB(obj), |
| 843 | trans); |
| 844 | break; |
Elad Raz | 3a49b4f | 2016-01-10 21:06:28 +0100 | [diff] [blame] | 845 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
| 846 | err = mlxsw_sp_port_mdb_add(mlxsw_sp_port, |
| 847 | SWITCHDEV_OBJ_PORT_MDB(obj), |
| 848 | trans); |
| 849 | break; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 850 | default: |
| 851 | err = -EOPNOTSUPP; |
| 852 | break; |
| 853 | } |
| 854 | |
| 855 | return err; |
| 856 | } |
| 857 | |
| 858 | static int mlxsw_sp_port_kill_vids(struct net_device *dev, u16 vid_begin, |
| 859 | u16 vid_end) |
| 860 | { |
| 861 | u16 vid; |
| 862 | int err; |
| 863 | |
| 864 | for (vid = vid_begin; vid <= vid_end; vid++) { |
| 865 | err = mlxsw_sp_port_kill_vid(dev, 0, vid); |
| 866 | if (err) |
| 867 | return err; |
| 868 | } |
| 869 | |
| 870 | return 0; |
| 871 | } |
| 872 | |
| 873 | static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 874 | u16 vid_begin, u16 vid_end, bool init) |
| 875 | { |
| 876 | struct net_device *dev = mlxsw_sp_port->dev; |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 877 | u16 vid, pvid; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 878 | int err; |
| 879 | |
| 880 | /* In case this is invoked with BRIDGE_FLAGS_SELF and port is |
| 881 | * not bridged, then prevent packets ingressing through the |
| 882 | * port with the specified VIDs from being trapped to CPU. |
| 883 | */ |
| 884 | if (!init && !mlxsw_sp_port->bridged) |
| 885 | return mlxsw_sp_port_kill_vids(dev, vid_begin, vid_end); |
| 886 | |
Ido Schimmel | 3b7ad5e | 2015-11-19 12:27:39 +0100 | [diff] [blame] | 887 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
| 888 | false, false); |
| 889 | if (err) { |
| 890 | netdev_err(dev, "Unable to del VIDs %d-%d\n", vid_begin, |
| 891 | vid_end); |
| 892 | return err; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 893 | } |
| 894 | |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 895 | pvid = mlxsw_sp_port->pvid; |
| 896 | if (pvid >= vid_begin && pvid <= vid_end && pvid != 1) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 897 | /* Default VLAN is always 1 */ |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 898 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 899 | if (err) { |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 900 | netdev_err(dev, "Unable to del PVID %d\n", pvid); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 901 | return err; |
| 902 | } |
Ido Schimmel | 06c071f | 2015-11-19 12:27:38 +0100 | [diff] [blame] | 903 | mlxsw_sp_port->pvid = 1; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 904 | } |
| 905 | |
| 906 | if (init) |
| 907 | goto out; |
| 908 | |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 909 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid_begin, vid_end, |
| 910 | false, false); |
| 911 | if (err) { |
| 912 | netdev_err(dev, "Failed to clear flooding\n"); |
| 913 | return err; |
| 914 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 915 | |
Ido Schimmel | 1b3433a | 2015-10-28 10:16:57 +0100 | [diff] [blame] | 916 | for (vid = vid_begin; vid <= vid_end; vid++) { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 917 | /* Remove FID mapping in case of Virtual mode */ |
| 918 | err = mlxsw_sp_port_fid_unmap(mlxsw_sp_port, vid); |
| 919 | if (err) { |
| 920 | netdev_err(dev, "Failed to unmap FID=%d", vid); |
| 921 | return err; |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | out: |
| 926 | /* Changing activity bits only if HW operation succeded */ |
| 927 | for (vid = vid_begin; vid <= vid_end; vid++) |
| 928 | clear_bit(vid, mlxsw_sp_port->active_vlans); |
| 929 | |
| 930 | return 0; |
| 931 | } |
| 932 | |
| 933 | static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 934 | const struct switchdev_obj_port_vlan *vlan) |
| 935 | { |
| 936 | return __mlxsw_sp_port_vlans_del(mlxsw_sp_port, |
| 937 | vlan->vid_begin, vlan->vid_end, false); |
| 938 | } |
| 939 | |
Ido Schimmel | 4dc236c | 2016-01-27 15:20:16 +0100 | [diff] [blame] | 940 | void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port) |
| 941 | { |
| 942 | u16 vid; |
| 943 | |
| 944 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) |
| 945 | __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vid, vid, false); |
| 946 | } |
| 947 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 948 | static int |
| 949 | mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 950 | const struct switchdev_obj_port_fdb *fdb) |
| 951 | { |
Elad Raz | e4b6f69 | 2016-01-10 21:06:27 +0100 | [diff] [blame] | 952 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid); |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 953 | u16 lag_vid = 0; |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 954 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 955 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 956 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 957 | } |
| 958 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 959 | if (!mlxsw_sp_port->lagged) |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 960 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp, |
| 961 | mlxsw_sp_port->local_port, |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 962 | fdb->addr, fid, |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 963 | false, false); |
| 964 | else |
| 965 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp, |
| 966 | mlxsw_sp_port->lag_id, |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 967 | fdb->addr, fid, lag_vid, |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 968 | false, false); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 969 | } |
| 970 | |
Elad Raz | 3a49b4f | 2016-01-10 21:06:28 +0100 | [diff] [blame] | 971 | static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, |
| 972 | const struct switchdev_obj_port_mdb *mdb) |
| 973 | { |
| 974 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
| 975 | struct net_device *dev = mlxsw_sp_port->dev; |
| 976 | struct mlxsw_sp_mid *mid; |
| 977 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid); |
| 978 | u16 mid_idx; |
| 979 | int err = 0; |
| 980 | |
| 981 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid); |
| 982 | if (!mid) { |
| 983 | netdev_err(dev, "Unable to remove port from MC DB\n"); |
| 984 | return -EINVAL; |
| 985 | } |
| 986 | |
| 987 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false, false); |
| 988 | if (err) |
| 989 | netdev_err(dev, "Unable to remove port from SMID\n"); |
| 990 | |
| 991 | mid_idx = mid->mid; |
| 992 | if (__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid)) { |
| 993 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid_idx, |
| 994 | false); |
| 995 | if (err) |
| 996 | netdev_err(dev, "Unable to remove MC SFD\n"); |
| 997 | } |
| 998 | |
| 999 | return err; |
| 1000 | } |
| 1001 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1002 | static int mlxsw_sp_port_obj_del(struct net_device *dev, |
| 1003 | const struct switchdev_obj *obj) |
| 1004 | { |
| 1005 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 1006 | int err = 0; |
| 1007 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 1008 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
| 1009 | if (!mlxsw_sp_port) |
| 1010 | return -EINVAL; |
| 1011 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1012 | switch (obj->id) { |
| 1013 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 1014 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
| 1015 | return 0; |
| 1016 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1017 | err = mlxsw_sp_port_vlans_del(mlxsw_sp_port, |
| 1018 | SWITCHDEV_OBJ_PORT_VLAN(obj)); |
| 1019 | break; |
| 1020 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
| 1021 | err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port, |
| 1022 | SWITCHDEV_OBJ_PORT_FDB(obj)); |
| 1023 | break; |
Elad Raz | 3a49b4f | 2016-01-10 21:06:28 +0100 | [diff] [blame] | 1024 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
| 1025 | err = mlxsw_sp_port_mdb_del(mlxsw_sp_port, |
| 1026 | SWITCHDEV_OBJ_PORT_MDB(obj)); |
Dan Carpenter | 00ae40e | 2016-01-13 15:28:23 +0300 | [diff] [blame] | 1027 | break; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1028 | default: |
| 1029 | err = -EOPNOTSUPP; |
| 1030 | break; |
| 1031 | } |
| 1032 | |
| 1033 | return err; |
| 1034 | } |
| 1035 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1036 | static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp, |
| 1037 | u16 lag_id) |
| 1038 | { |
| 1039 | struct mlxsw_sp_port *mlxsw_sp_port; |
| 1040 | int i; |
| 1041 | |
| 1042 | for (i = 0; i < MLXSW_SP_PORT_PER_LAG_MAX; i++) { |
| 1043 | mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i); |
| 1044 | if (mlxsw_sp_port) |
| 1045 | return mlxsw_sp_port; |
| 1046 | } |
| 1047 | return NULL; |
| 1048 | } |
| 1049 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1050 | static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, |
| 1051 | struct switchdev_obj_port_fdb *fdb, |
Ido Schimmel | 304f515 | 2016-01-27 15:20:24 +0100 | [diff] [blame] | 1052 | switchdev_obj_dump_cb_t *cb, |
| 1053 | struct net_device *orig_dev) |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1054 | { |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1055 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
Ido Schimmel | 3f47f86 | 2016-01-27 15:20:25 +0100 | [diff] [blame] | 1056 | struct mlxsw_sp_port *tmp; |
Ido Schimmel | 004f85e | 2016-01-27 15:20:22 +0100 | [diff] [blame] | 1057 | u16 vport_fid = 0; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1058 | char *sfd_pl; |
| 1059 | char mac[ETH_ALEN]; |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1060 | u16 fid; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1061 | u8 local_port; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1062 | u16 lag_id; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1063 | u8 num_rec; |
| 1064 | int stored_err = 0; |
| 1065 | int i; |
| 1066 | int err; |
| 1067 | |
| 1068 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
| 1069 | if (!sfd_pl) |
| 1070 | return -ENOMEM; |
| 1071 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 1072 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 1073 | u16 tmp; |
| 1074 | |
| 1075 | tmp = mlxsw_sp_vport_vfid_get(mlxsw_sp_port); |
| 1076 | vport_fid = mlxsw_sp_vfid_to_fid(tmp); |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 1077 | } |
| 1078 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1079 | mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0); |
| 1080 | do { |
| 1081 | 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] | 1082 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1083 | if (err) |
| 1084 | goto out; |
| 1085 | |
| 1086 | num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); |
| 1087 | |
| 1088 | /* Even in case of error, we have to run the dump to the end |
| 1089 | * so the session in firmware is finished. |
| 1090 | */ |
| 1091 | if (stored_err) |
| 1092 | continue; |
| 1093 | |
| 1094 | for (i = 0; i < num_rec; i++) { |
| 1095 | switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) { |
| 1096 | case MLXSW_REG_SFD_REC_TYPE_UNICAST: |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1097 | mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, &fid, |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1098 | &local_port); |
| 1099 | if (local_port == mlxsw_sp_port->local_port) { |
Ido Schimmel | 004f85e | 2016-01-27 15:20:22 +0100 | [diff] [blame] | 1100 | if (vport_fid && vport_fid == fid) |
| 1101 | fdb->vid = 0; |
| 1102 | else if (!vport_fid && |
| 1103 | !mlxsw_sp_fid_is_vfid(fid)) |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 1104 | fdb->vid = fid; |
Ido Schimmel | 004f85e | 2016-01-27 15:20:22 +0100 | [diff] [blame] | 1105 | else |
| 1106 | continue; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1107 | ether_addr_copy(fdb->addr, mac); |
| 1108 | fdb->ndm_state = NUD_REACHABLE; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1109 | err = cb(&fdb->obj); |
| 1110 | if (err) |
| 1111 | stored_err = err; |
| 1112 | } |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1113 | break; |
| 1114 | case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG: |
| 1115 | mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i, |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1116 | mac, &fid, &lag_id); |
Ido Schimmel | 3f47f86 | 2016-01-27 15:20:25 +0100 | [diff] [blame] | 1117 | tmp = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
| 1118 | if (tmp && tmp->local_port == |
| 1119 | mlxsw_sp_port->local_port) { |
Ido Schimmel | 304f515 | 2016-01-27 15:20:24 +0100 | [diff] [blame] | 1120 | /* LAG records can only point to LAG |
| 1121 | * devices or VLAN devices on top. |
| 1122 | */ |
| 1123 | if (!netif_is_lag_master(orig_dev) && |
| 1124 | !is_vlan_dev(orig_dev)) |
| 1125 | continue; |
Ido Schimmel | 004f85e | 2016-01-27 15:20:22 +0100 | [diff] [blame] | 1126 | if (vport_fid && vport_fid == fid) |
| 1127 | fdb->vid = 0; |
| 1128 | else if (!vport_fid && |
| 1129 | !mlxsw_sp_fid_is_vfid(fid)) |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 1130 | fdb->vid = fid; |
Ido Schimmel | 004f85e | 2016-01-27 15:20:22 +0100 | [diff] [blame] | 1131 | else |
| 1132 | continue; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1133 | ether_addr_copy(fdb->addr, mac); |
| 1134 | fdb->ndm_state = NUD_REACHABLE; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1135 | err = cb(&fdb->obj); |
| 1136 | if (err) |
| 1137 | stored_err = err; |
| 1138 | } |
| 1139 | break; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1140 | } |
| 1141 | } |
| 1142 | } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT); |
| 1143 | |
| 1144 | out: |
| 1145 | kfree(sfd_pl); |
| 1146 | return stored_err ? stored_err : err; |
| 1147 | } |
| 1148 | |
| 1149 | static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port, |
| 1150 | struct switchdev_obj_port_vlan *vlan, |
| 1151 | switchdev_obj_dump_cb_t *cb) |
| 1152 | { |
| 1153 | u16 vid; |
| 1154 | int err = 0; |
| 1155 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 1156 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
| 1157 | vlan->flags = 0; |
| 1158 | vlan->vid_begin = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
| 1159 | vlan->vid_end = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
| 1160 | return cb(&vlan->obj); |
| 1161 | } |
| 1162 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1163 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { |
| 1164 | vlan->flags = 0; |
| 1165 | if (vid == mlxsw_sp_port->pvid) |
| 1166 | vlan->flags |= BRIDGE_VLAN_INFO_PVID; |
Elad Raz | fc1273a | 2016-01-06 13:01:11 +0100 | [diff] [blame] | 1167 | if (test_bit(vid, mlxsw_sp_port->untagged_vlans)) |
| 1168 | vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1169 | vlan->vid_begin = vid; |
| 1170 | vlan->vid_end = vid; |
| 1171 | err = cb(&vlan->obj); |
| 1172 | if (err) |
| 1173 | break; |
| 1174 | } |
| 1175 | return err; |
| 1176 | } |
| 1177 | |
| 1178 | static int mlxsw_sp_port_obj_dump(struct net_device *dev, |
| 1179 | struct switchdev_obj *obj, |
| 1180 | switchdev_obj_dump_cb_t *cb) |
| 1181 | { |
| 1182 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
| 1183 | int err = 0; |
| 1184 | |
Ido Schimmel | 54a7320 | 2015-12-15 16:03:41 +0100 | [diff] [blame] | 1185 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
| 1186 | if (!mlxsw_sp_port) |
| 1187 | return -EINVAL; |
| 1188 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1189 | switch (obj->id) { |
| 1190 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
| 1191 | err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port, |
| 1192 | SWITCHDEV_OBJ_PORT_VLAN(obj), cb); |
| 1193 | break; |
| 1194 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
| 1195 | err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port, |
Ido Schimmel | 304f515 | 2016-01-27 15:20:24 +0100 | [diff] [blame] | 1196 | SWITCHDEV_OBJ_PORT_FDB(obj), cb, |
| 1197 | obj->orig_dev); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1198 | break; |
| 1199 | default: |
| 1200 | err = -EOPNOTSUPP; |
| 1201 | break; |
| 1202 | } |
| 1203 | |
| 1204 | return err; |
| 1205 | } |
| 1206 | |
Jiri Pirko | c7070fc | 2015-10-28 10:17:05 +0100 | [diff] [blame] | 1207 | static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = { |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1208 | .switchdev_port_attr_get = mlxsw_sp_port_attr_get, |
| 1209 | .switchdev_port_attr_set = mlxsw_sp_port_attr_set, |
| 1210 | .switchdev_port_obj_add = mlxsw_sp_port_obj_add, |
| 1211 | .switchdev_port_obj_del = mlxsw_sp_port_obj_del, |
| 1212 | .switchdev_port_obj_dump = mlxsw_sp_port_obj_dump, |
| 1213 | }; |
| 1214 | |
Ido Schimmel | 45827d7 | 2016-01-27 15:20:21 +0100 | [diff] [blame] | 1215 | static void mlxsw_sp_fdb_call_notifiers(bool learning_sync, bool adding, |
| 1216 | char *mac, u16 vid, |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1217 | struct net_device *dev) |
| 1218 | { |
| 1219 | struct switchdev_notifier_fdb_info info; |
| 1220 | unsigned long notifier_type; |
| 1221 | |
Ido Schimmel | 45827d7 | 2016-01-27 15:20:21 +0100 | [diff] [blame] | 1222 | if (learning_sync) { |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1223 | info.addr = mac; |
| 1224 | info.vid = vid; |
| 1225 | notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL; |
| 1226 | call_switchdev_notifiers(notifier_type, dev, &info.info); |
| 1227 | } |
| 1228 | } |
| 1229 | |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1230 | static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
| 1231 | char *sfn_pl, int rec_index, |
| 1232 | bool adding) |
| 1233 | { |
| 1234 | struct mlxsw_sp_port *mlxsw_sp_port; |
| 1235 | char mac[ETH_ALEN]; |
| 1236 | u8 local_port; |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1237 | u16 vid, fid; |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame] | 1238 | bool do_notification = true; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1239 | int err; |
| 1240 | |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1241 | 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] | 1242 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
| 1243 | if (!mlxsw_sp_port) { |
| 1244 | 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] | 1245 | goto just_remove; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1246 | } |
| 1247 | |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1248 | if (mlxsw_sp_fid_is_vfid(fid)) { |
| 1249 | u16 vfid = mlxsw_sp_fid_to_vfid(fid); |
| 1250 | struct mlxsw_sp_port *mlxsw_sp_vport; |
| 1251 | |
| 1252 | mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_vfid(mlxsw_sp_port, |
| 1253 | vfid); |
| 1254 | if (!mlxsw_sp_vport) { |
| 1255 | 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] | 1256 | goto just_remove; |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1257 | } |
Ido Schimmel | 004f85e | 2016-01-27 15:20:22 +0100 | [diff] [blame] | 1258 | vid = 0; |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1259 | /* Override the physical port with the vPort. */ |
| 1260 | mlxsw_sp_port = mlxsw_sp_vport; |
| 1261 | } else { |
| 1262 | vid = fid; |
| 1263 | } |
| 1264 | |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame] | 1265 | adding = adding && mlxsw_sp_port->learning; |
| 1266 | |
| 1267 | do_fdb_op: |
Jiri Pirko | 2fa9d45 | 2016-01-07 11:50:29 +0100 | [diff] [blame] | 1268 | 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] | 1269 | adding, true); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1270 | if (err) { |
| 1271 | if (net_ratelimit()) |
| 1272 | netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n"); |
| 1273 | return; |
| 1274 | } |
| 1275 | |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame] | 1276 | if (!do_notification) |
| 1277 | return; |
Ido Schimmel | 45827d7 | 2016-01-27 15:20:21 +0100 | [diff] [blame] | 1278 | mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1279 | adding, mac, vid, mlxsw_sp_port->dev); |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame] | 1280 | return; |
| 1281 | |
| 1282 | just_remove: |
| 1283 | adding = false; |
| 1284 | do_notification = false; |
| 1285 | goto do_fdb_op; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1286 | } |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1287 | |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1288 | static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, |
| 1289 | char *sfn_pl, int rec_index, |
| 1290 | bool adding) |
| 1291 | { |
| 1292 | struct mlxsw_sp_port *mlxsw_sp_port; |
Ido Schimmel | e43aca2 | 2016-01-27 15:20:23 +0100 | [diff] [blame] | 1293 | struct net_device *dev; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1294 | char mac[ETH_ALEN]; |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 1295 | u16 lag_vid = 0; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1296 | u16 lag_id; |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1297 | u16 vid, fid; |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame] | 1298 | bool do_notification = true; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1299 | int err; |
| 1300 | |
Ido Schimmel | 9de6a80 | 2015-12-15 16:03:40 +0100 | [diff] [blame] | 1301 | 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] | 1302 | mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
| 1303 | if (!mlxsw_sp_port) { |
| 1304 | 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] | 1305 | goto just_remove; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1306 | } |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1307 | |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1308 | if (mlxsw_sp_fid_is_vfid(fid)) { |
| 1309 | u16 vfid = mlxsw_sp_fid_to_vfid(fid); |
| 1310 | struct mlxsw_sp_port *mlxsw_sp_vport; |
| 1311 | |
| 1312 | mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_vfid(mlxsw_sp_port, |
| 1313 | vfid); |
| 1314 | if (!mlxsw_sp_vport) { |
| 1315 | 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] | 1316 | goto just_remove; |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1317 | } |
| 1318 | |
Ido Schimmel | 004f85e | 2016-01-27 15:20:22 +0100 | [diff] [blame] | 1319 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); |
Ido Schimmel | e43aca2 | 2016-01-27 15:20:23 +0100 | [diff] [blame] | 1320 | dev = mlxsw_sp_vport->dev; |
Ido Schimmel | 004f85e | 2016-01-27 15:20:22 +0100 | [diff] [blame] | 1321 | vid = 0; |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1322 | /* Override the physical port with the vPort. */ |
| 1323 | mlxsw_sp_port = mlxsw_sp_vport; |
| 1324 | } else { |
Ido Schimmel | e43aca2 | 2016-01-27 15:20:23 +0100 | [diff] [blame] | 1325 | dev = mlxsw_sp_lag_get(mlxsw_sp, lag_id)->dev; |
Ido Schimmel | aac78a4 | 2015-12-15 16:03:42 +0100 | [diff] [blame] | 1326 | vid = fid; |
| 1327 | } |
| 1328 | |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame] | 1329 | adding = adding && mlxsw_sp_port->learning; |
| 1330 | |
| 1331 | do_fdb_op: |
Ido Schimmel | 64771e3 | 2015-12-15 16:03:46 +0100 | [diff] [blame] | 1332 | 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] | 1333 | adding, true); |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1334 | if (err) { |
| 1335 | if (net_ratelimit()) |
| 1336 | netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n"); |
| 1337 | return; |
| 1338 | } |
| 1339 | |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame] | 1340 | if (!do_notification) |
| 1341 | return; |
Ido Schimmel | 45827d7 | 2016-01-27 15:20:21 +0100 | [diff] [blame] | 1342 | mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, adding, mac, |
Ido Schimmel | e43aca2 | 2016-01-27 15:20:23 +0100 | [diff] [blame] | 1343 | vid, dev); |
Jiri Pirko | 12f1501 | 2016-01-07 11:50:30 +0100 | [diff] [blame] | 1344 | return; |
| 1345 | |
| 1346 | just_remove: |
| 1347 | adding = false; |
| 1348 | do_notification = false; |
| 1349 | goto do_fdb_op; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1350 | } |
| 1351 | |
| 1352 | static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp, |
| 1353 | char *sfn_pl, int rec_index) |
| 1354 | { |
| 1355 | switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) { |
| 1356 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC: |
| 1357 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, |
| 1358 | rec_index, true); |
| 1359 | break; |
| 1360 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC: |
| 1361 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, |
| 1362 | rec_index, false); |
| 1363 | break; |
Jiri Pirko | 8a1ab5d | 2015-12-03 12:12:29 +0100 | [diff] [blame] | 1364 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG: |
| 1365 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, |
| 1366 | rec_index, true); |
| 1367 | break; |
| 1368 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG: |
| 1369 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, |
| 1370 | rec_index, false); |
| 1371 | break; |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1372 | } |
| 1373 | } |
| 1374 | |
| 1375 | static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp) |
| 1376 | { |
| 1377 | schedule_delayed_work(&mlxsw_sp->fdb_notify.dw, |
| 1378 | msecs_to_jiffies(mlxsw_sp->fdb_notify.interval)); |
| 1379 | } |
| 1380 | |
| 1381 | static void mlxsw_sp_fdb_notify_work(struct work_struct *work) |
| 1382 | { |
| 1383 | struct mlxsw_sp *mlxsw_sp; |
| 1384 | char *sfn_pl; |
| 1385 | u8 num_rec; |
| 1386 | int i; |
| 1387 | int err; |
| 1388 | |
| 1389 | sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL); |
| 1390 | if (!sfn_pl) |
| 1391 | return; |
| 1392 | |
| 1393 | mlxsw_sp = container_of(work, struct mlxsw_sp, fdb_notify.dw.work); |
| 1394 | |
Ido Schimmel | 4f2c6ae | 2016-01-27 15:16:43 +0100 | [diff] [blame] | 1395 | rtnl_lock(); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1396 | do { |
| 1397 | mlxsw_reg_sfn_pack(sfn_pl); |
| 1398 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl); |
| 1399 | if (err) { |
| 1400 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n"); |
| 1401 | break; |
| 1402 | } |
| 1403 | num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl); |
| 1404 | for (i = 0; i < num_rec; i++) |
| 1405 | mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i); |
| 1406 | |
| 1407 | } while (num_rec); |
Ido Schimmel | 4f2c6ae | 2016-01-27 15:16:43 +0100 | [diff] [blame] | 1408 | rtnl_unlock(); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1409 | |
| 1410 | kfree(sfn_pl); |
| 1411 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); |
| 1412 | } |
| 1413 | |
| 1414 | static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp) |
| 1415 | { |
| 1416 | int err; |
| 1417 | |
| 1418 | err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME); |
| 1419 | if (err) { |
| 1420 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n"); |
| 1421 | return err; |
| 1422 | } |
| 1423 | INIT_DELAYED_WORK(&mlxsw_sp->fdb_notify.dw, mlxsw_sp_fdb_notify_work); |
| 1424 | mlxsw_sp->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL; |
| 1425 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); |
| 1426 | return 0; |
| 1427 | } |
| 1428 | |
| 1429 | static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp) |
| 1430 | { |
| 1431 | cancel_delayed_work_sync(&mlxsw_sp->fdb_notify.dw); |
| 1432 | } |
| 1433 | |
| 1434 | static void mlxsw_sp_fids_fini(struct mlxsw_sp *mlxsw_sp) |
| 1435 | { |
| 1436 | u16 fid; |
| 1437 | |
| 1438 | for_each_set_bit(fid, mlxsw_sp->active_fids, VLAN_N_VID) |
| 1439 | mlxsw_sp_fid_destroy(mlxsw_sp, fid); |
| 1440 | } |
| 1441 | |
| 1442 | int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) |
| 1443 | { |
| 1444 | return mlxsw_sp_fdb_init(mlxsw_sp); |
| 1445 | } |
| 1446 | |
| 1447 | void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) |
| 1448 | { |
| 1449 | mlxsw_sp_fdb_fini(mlxsw_sp); |
| 1450 | mlxsw_sp_fids_fini(mlxsw_sp); |
| 1451 | } |
| 1452 | |
| 1453 | int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port) |
| 1454 | { |
| 1455 | struct net_device *dev = mlxsw_sp_port->dev; |
| 1456 | int err; |
| 1457 | |
| 1458 | /* Allow only untagged packets to ingress and tag them internally |
| 1459 | * with VID 1. |
| 1460 | */ |
| 1461 | mlxsw_sp_port->pvid = 1; |
Elad Raz | 29edf44 | 2016-01-06 13:01:08 +0100 | [diff] [blame] | 1462 | err = __mlxsw_sp_port_vlans_del(mlxsw_sp_port, 0, VLAN_N_VID - 1, |
| 1463 | true); |
Jiri Pirko | 56ade8f | 2015-10-16 14:01:37 +0200 | [diff] [blame] | 1464 | if (err) { |
| 1465 | netdev_err(dev, "Unable to init VLANs\n"); |
| 1466 | return err; |
| 1467 | } |
| 1468 | |
| 1469 | /* Add implicit VLAN interface in the device, so that untagged |
| 1470 | * packets will be classified to the default vFID. |
| 1471 | */ |
| 1472 | err = mlxsw_sp_port_add_vid(dev, 0, 1); |
| 1473 | if (err) |
| 1474 | netdev_err(dev, "Failed to configure default vFID\n"); |
| 1475 | |
| 1476 | return err; |
| 1477 | } |
| 1478 | |
| 1479 | void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port) |
| 1480 | { |
| 1481 | mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops; |
| 1482 | } |
| 1483 | |
| 1484 | void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port) |
| 1485 | { |
| 1486 | } |