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56ade8fe JP |
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> | |
4f2c6ae5 | 48 | #include <linux/rtnetlink.h> |
56ade8fe JP |
49 | #include <net/switchdev.h> |
50 | ||
51 | #include "spectrum.h" | |
52 | #include "core.h" | |
53 | #include "reg.h" | |
54 | ||
e4b6f693 ER |
55 | static u16 mlxsw_sp_port_vid_to_fid_get(struct mlxsw_sp_port *mlxsw_sp_port, |
56 | u16 vid) | |
57 | { | |
56918b6b | 58 | struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_port); |
e4b6f693 ER |
59 | u16 fid = vid; |
60 | ||
56918b6b | 61 | fid = f ? f->fid : fid; |
e4b6f693 ER |
62 | |
63 | if (!fid) | |
64 | fid = mlxsw_sp_port->pvid; | |
65 | ||
66 | return fid; | |
67 | } | |
68 | ||
54a73201 IS |
69 | static struct mlxsw_sp_port * |
70 | mlxsw_sp_port_orig_get(struct net_device *dev, | |
71 | struct mlxsw_sp_port *mlxsw_sp_port) | |
72 | { | |
73 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
74 | u16 vid; | |
75 | ||
76 | if (!is_vlan_dev(dev)) | |
77 | return mlxsw_sp_port; | |
78 | ||
79 | vid = vlan_dev_vlan_id(dev); | |
80 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); | |
81 | WARN_ON(!mlxsw_sp_vport); | |
82 | ||
83 | return mlxsw_sp_vport; | |
84 | } | |
85 | ||
56ade8fe JP |
86 | static int mlxsw_sp_port_attr_get(struct net_device *dev, |
87 | struct switchdev_attr *attr) | |
88 | { | |
89 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
90 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
91 | ||
54a73201 IS |
92 | mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port); |
93 | if (!mlxsw_sp_port) | |
94 | return -EINVAL; | |
95 | ||
56ade8fe JP |
96 | switch (attr->id) { |
97 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: | |
98 | attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac); | |
99 | memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac, | |
100 | attr->u.ppid.id_len); | |
101 | break; | |
102 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
103 | attr->u.brport_flags = | |
104 | (mlxsw_sp_port->learning ? BR_LEARNING : 0) | | |
0293038e IS |
105 | (mlxsw_sp_port->learning_sync ? BR_LEARNING_SYNC : 0) | |
106 | (mlxsw_sp_port->uc_flood ? BR_FLOOD : 0); | |
56ade8fe JP |
107 | break; |
108 | default: | |
109 | return -EOPNOTSUPP; | |
110 | } | |
111 | ||
112 | return 0; | |
113 | } | |
114 | ||
115 | static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
116 | u8 state) | |
117 | { | |
118 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
119 | enum mlxsw_reg_spms_state spms_state; | |
120 | char *spms_pl; | |
121 | u16 vid; | |
122 | int err; | |
123 | ||
124 | switch (state) { | |
56ade8fe JP |
125 | case BR_STATE_FORWARDING: |
126 | spms_state = MLXSW_REG_SPMS_STATE_FORWARDING; | |
127 | break; | |
56ade8fe JP |
128 | case BR_STATE_LEARNING: |
129 | spms_state = MLXSW_REG_SPMS_STATE_LEARNING; | |
130 | break; | |
45491133 | 131 | case BR_STATE_LISTENING: /* fall-through */ |
9cb026eb | 132 | case BR_STATE_DISABLED: /* fall-through */ |
56ade8fe JP |
133 | case BR_STATE_BLOCKING: |
134 | spms_state = MLXSW_REG_SPMS_STATE_DISCARDING; | |
135 | break; | |
136 | default: | |
137 | BUG(); | |
138 | } | |
139 | ||
140 | spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); | |
141 | if (!spms_pl) | |
142 | return -ENOMEM; | |
143 | mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); | |
54a73201 IS |
144 | |
145 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { | |
146 | vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); | |
56ade8fe | 147 | mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); |
54a73201 IS |
148 | } else { |
149 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) | |
150 | mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); | |
151 | } | |
56ade8fe JP |
152 | |
153 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); | |
154 | kfree(spms_pl); | |
155 | return err; | |
156 | } | |
157 | ||
158 | static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
159 | struct switchdev_trans *trans, | |
160 | u8 state) | |
161 | { | |
162 | if (switchdev_trans_ph_prepare(trans)) | |
163 | return 0; | |
164 | ||
165 | mlxsw_sp_port->stp_state = state; | |
166 | return mlxsw_sp_port_stp_state_set(mlxsw_sp_port, state); | |
167 | } | |
168 | ||
0293038e | 169 | static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, |
c06a94ef | 170 | u16 idx_begin, u16 idx_end, bool set, |
0293038e IS |
171 | bool only_uc) |
172 | { | |
173 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
7f71eb46 IS |
174 | u16 local_port = mlxsw_sp_port->local_port; |
175 | enum mlxsw_flood_table_type table_type; | |
c06a94ef | 176 | u16 range = idx_end - idx_begin + 1; |
0293038e IS |
177 | char *sftr_pl; |
178 | int err; | |
179 | ||
99724c18 | 180 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
7f71eb46 | 181 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID; |
99724c18 | 182 | else |
7f71eb46 | 183 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; |
7f71eb46 | 184 | |
0293038e IS |
185 | sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL); |
186 | if (!sftr_pl) | |
187 | return -ENOMEM; | |
188 | ||
c06a94ef | 189 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin, |
7f71eb46 | 190 | table_type, range, local_port, set); |
0293038e IS |
191 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); |
192 | if (err) | |
193 | goto buffer_out; | |
194 | ||
195 | /* Flooding control allows one to decide whether a given port will | |
196 | * flood unicast traffic for which there is no FDB entry. | |
197 | */ | |
198 | if (only_uc) | |
199 | goto buffer_out; | |
200 | ||
c06a94ef | 201 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, idx_begin, |
7f71eb46 | 202 | table_type, range, local_port, set); |
0293038e | 203 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); |
28892865 IS |
204 | if (err) |
205 | goto err_flood_bm_set; | |
206 | else | |
207 | goto buffer_out; | |
0293038e | 208 | |
28892865 IS |
209 | err_flood_bm_set: |
210 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin, | |
211 | table_type, range, local_port, !set); | |
212 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); | |
0293038e IS |
213 | buffer_out: |
214 | kfree(sftr_pl); | |
215 | return err; | |
216 | } | |
217 | ||
218 | static int mlxsw_sp_port_uc_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
219 | bool set) | |
220 | { | |
221 | struct net_device *dev = mlxsw_sp_port->dev; | |
222 | u16 vid, last_visited_vid; | |
223 | int err; | |
224 | ||
54a73201 | 225 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
41b996cc IS |
226 | u16 fid = mlxsw_sp_vport_fid_get(mlxsw_sp_port)->fid; |
227 | u16 vfid = mlxsw_sp_fid_to_vfid(fid); | |
54a73201 IS |
228 | |
229 | return __mlxsw_sp_port_flood_set(mlxsw_sp_port, vfid, vfid, | |
230 | set, true); | |
231 | } | |
232 | ||
0293038e IS |
233 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { |
234 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, set, | |
235 | true); | |
236 | if (err) { | |
237 | last_visited_vid = vid; | |
238 | goto err_port_flood_set; | |
239 | } | |
240 | } | |
241 | ||
242 | return 0; | |
243 | ||
244 | err_port_flood_set: | |
245 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, last_visited_vid) | |
246 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, !set, true); | |
247 | netdev_err(dev, "Failed to configure unicast flooding\n"); | |
248 | return err; | |
249 | } | |
250 | ||
e6060027 | 251 | int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid, |
47a0a9e6 | 252 | bool set) |
7f71eb46 | 253 | { |
e6060027 IS |
254 | u16 vfid; |
255 | ||
7f71eb46 IS |
256 | /* In case of vFIDs, index into the flooding table is relative to |
257 | * the start of the vFIDs range. | |
258 | */ | |
e6060027 | 259 | vfid = mlxsw_sp_fid_to_vfid(fid); |
19ae6124 | 260 | return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set, |
47a0a9e6 | 261 | false); |
7f71eb46 IS |
262 | } |
263 | ||
56ade8fe JP |
264 | static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port, |
265 | struct switchdev_trans *trans, | |
266 | unsigned long brport_flags) | |
267 | { | |
0293038e IS |
268 | unsigned long uc_flood = mlxsw_sp_port->uc_flood ? BR_FLOOD : 0; |
269 | bool set; | |
270 | int err; | |
271 | ||
6c72a3d0 IS |
272 | if (!mlxsw_sp_port->bridged) |
273 | return -EINVAL; | |
274 | ||
56ade8fe JP |
275 | if (switchdev_trans_ph_prepare(trans)) |
276 | return 0; | |
277 | ||
0293038e IS |
278 | if ((uc_flood ^ brport_flags) & BR_FLOOD) { |
279 | set = mlxsw_sp_port->uc_flood ? false : true; | |
280 | err = mlxsw_sp_port_uc_flood_set(mlxsw_sp_port, set); | |
281 | if (err) | |
282 | return err; | |
283 | } | |
284 | ||
285 | mlxsw_sp_port->uc_flood = brport_flags & BR_FLOOD ? 1 : 0; | |
56ade8fe JP |
286 | mlxsw_sp_port->learning = brport_flags & BR_LEARNING ? 1 : 0; |
287 | mlxsw_sp_port->learning_sync = brport_flags & BR_LEARNING_SYNC ? 1 : 0; | |
0293038e | 288 | |
56ade8fe JP |
289 | return 0; |
290 | } | |
291 | ||
292 | static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time) | |
293 | { | |
294 | char sfdat_pl[MLXSW_REG_SFDAT_LEN]; | |
295 | int err; | |
296 | ||
297 | mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time); | |
298 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl); | |
299 | if (err) | |
300 | return err; | |
301 | mlxsw_sp->ageing_time = ageing_time; | |
302 | return 0; | |
303 | } | |
304 | ||
305 | static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
306 | struct switchdev_trans *trans, | |
135f9ece | 307 | unsigned long ageing_clock_t) |
56ade8fe JP |
308 | { |
309 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
135f9ece | 310 | unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t); |
56ade8fe JP |
311 | u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000; |
312 | ||
869f63a4 IS |
313 | if (switchdev_trans_ph_prepare(trans)) { |
314 | if (ageing_time < MLXSW_SP_MIN_AGEING_TIME || | |
315 | ageing_time > MLXSW_SP_MAX_AGEING_TIME) | |
316 | return -ERANGE; | |
317 | else | |
318 | return 0; | |
319 | } | |
56ade8fe JP |
320 | |
321 | return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time); | |
322 | } | |
323 | ||
26a4ea0f ER |
324 | static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, |
325 | struct switchdev_trans *trans, | |
326 | struct net_device *orig_dev, | |
327 | bool vlan_enabled) | |
328 | { | |
329 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
330 | ||
331 | /* SWITCHDEV_TRANS_PREPARE phase */ | |
332 | if ((!vlan_enabled) && (mlxsw_sp->master_bridge.dev == orig_dev)) { | |
333 | netdev_err(mlxsw_sp_port->dev, "Bridge must be vlan-aware\n"); | |
334 | return -EINVAL; | |
335 | } | |
336 | ||
337 | return 0; | |
338 | } | |
339 | ||
56ade8fe JP |
340 | static int mlxsw_sp_port_attr_set(struct net_device *dev, |
341 | const struct switchdev_attr *attr, | |
342 | struct switchdev_trans *trans) | |
343 | { | |
344 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
345 | int err = 0; | |
346 | ||
54a73201 IS |
347 | mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port); |
348 | if (!mlxsw_sp_port) | |
349 | return -EINVAL; | |
350 | ||
56ade8fe JP |
351 | switch (attr->id) { |
352 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: | |
353 | err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans, | |
354 | attr->u.stp_state); | |
355 | break; | |
356 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
357 | err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans, | |
358 | attr->u.brport_flags); | |
359 | break; | |
360 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: | |
361 | err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans, | |
362 | attr->u.ageing_time); | |
363 | break; | |
26a4ea0f ER |
364 | case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: |
365 | err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans, | |
366 | attr->orig_dev, | |
367 | attr->u.vlan_filtering); | |
368 | break; | |
56ade8fe JP |
369 | default: |
370 | err = -EOPNOTSUPP; | |
371 | break; | |
372 | } | |
373 | ||
374 | return err; | |
375 | } | |
376 | ||
14d39461 IS |
377 | static struct mlxsw_sp_fid *mlxsw_sp_fid_find(struct mlxsw_sp *mlxsw_sp, |
378 | u16 fid) | |
379 | { | |
380 | struct mlxsw_sp_fid *f; | |
381 | ||
382 | list_for_each_entry(f, &mlxsw_sp->fids, list) | |
383 | if (f->fid == fid) | |
384 | return f; | |
385 | ||
386 | return NULL; | |
387 | } | |
388 | ||
389 | static int mlxsw_sp_fid_op(struct mlxsw_sp *mlxsw_sp, u16 fid, bool create) | |
390 | { | |
391 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; | |
392 | ||
393 | mlxsw_reg_sfmr_pack(sfmr_pl, !create, fid, fid); | |
394 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); | |
395 | } | |
396 | ||
397 | static int mlxsw_sp_fid_map(struct mlxsw_sp *mlxsw_sp, u16 fid, bool valid) | |
398 | { | |
399 | enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_VID_TO_FID; | |
400 | char svfa_pl[MLXSW_REG_SVFA_LEN]; | |
401 | ||
402 | mlxsw_reg_svfa_pack(svfa_pl, 0, mt, valid, fid, fid); | |
403 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl); | |
404 | } | |
405 | ||
406 | static struct mlxsw_sp_fid *mlxsw_sp_fid_alloc(u16 fid) | |
407 | { | |
408 | struct mlxsw_sp_fid *f; | |
409 | ||
410 | f = kzalloc(sizeof(*f), GFP_KERNEL); | |
411 | if (!f) | |
412 | return NULL; | |
413 | ||
414 | f->fid = fid; | |
415 | ||
416 | return f; | |
417 | } | |
418 | ||
419 | static struct mlxsw_sp_fid *mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp, | |
420 | u16 fid) | |
421 | { | |
422 | struct mlxsw_sp_fid *f; | |
423 | int err; | |
424 | ||
425 | err = mlxsw_sp_fid_op(mlxsw_sp, fid, true); | |
426 | if (err) | |
427 | return ERR_PTR(err); | |
428 | ||
429 | /* Although all the ports member in the FID might be using a | |
430 | * {Port, VID} to FID mapping, we create a global VID-to-FID | |
431 | * mapping. This allows a port to transition to VLAN mode, | |
432 | * knowing the global mapping exists. | |
433 | */ | |
434 | err = mlxsw_sp_fid_map(mlxsw_sp, fid, true); | |
435 | if (err) | |
436 | goto err_fid_map; | |
437 | ||
438 | f = mlxsw_sp_fid_alloc(fid); | |
439 | if (!f) { | |
440 | err = -ENOMEM; | |
441 | goto err_allocate_fid; | |
442 | } | |
443 | ||
444 | list_add(&f->list, &mlxsw_sp->fids); | |
445 | ||
446 | return f; | |
447 | ||
448 | err_allocate_fid: | |
449 | mlxsw_sp_fid_map(mlxsw_sp, fid, false); | |
450 | err_fid_map: | |
451 | mlxsw_sp_fid_op(mlxsw_sp, fid, false); | |
452 | return ERR_PTR(err); | |
453 | } | |
454 | ||
455 | static void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp, | |
456 | struct mlxsw_sp_fid *f) | |
457 | { | |
458 | u16 fid = f->fid; | |
459 | ||
460 | list_del(&f->list); | |
461 | ||
462 | kfree(f); | |
463 | ||
464 | mlxsw_sp_fid_op(mlxsw_sp, fid, false); | |
465 | } | |
466 | ||
467 | static int __mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
468 | u16 fid) | |
469 | { | |
470 | struct mlxsw_sp_fid *f; | |
471 | ||
472 | f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid); | |
473 | if (!f) { | |
474 | f = mlxsw_sp_fid_create(mlxsw_sp_port->mlxsw_sp, fid); | |
475 | if (IS_ERR(f)) | |
476 | return PTR_ERR(f); | |
477 | } | |
478 | ||
479 | f->ref_count++; | |
480 | ||
22305378 IS |
481 | netdev_dbg(mlxsw_sp_port->dev, "Joined FID=%d\n", fid); |
482 | ||
14d39461 IS |
483 | return 0; |
484 | } | |
485 | ||
486 | static void __mlxsw_sp_port_fid_leave(struct mlxsw_sp_port *mlxsw_sp_port, | |
487 | u16 fid) | |
488 | { | |
489 | struct mlxsw_sp_fid *f; | |
490 | ||
491 | f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid); | |
492 | if (WARN_ON(!f)) | |
493 | return; | |
494 | ||
22305378 IS |
495 | netdev_dbg(mlxsw_sp_port->dev, "Left FID=%d\n", fid); |
496 | ||
fe3f6d14 IS |
497 | mlxsw_sp_port_fdb_flush(mlxsw_sp_port, fid); |
498 | ||
14d39461 IS |
499 | if (--f->ref_count == 0) |
500 | mlxsw_sp_fid_destroy(mlxsw_sp_port->mlxsw_sp, f); | |
501 | } | |
502 | ||
503 | static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid, | |
504 | bool valid) | |
505 | { | |
506 | enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; | |
507 | ||
508 | /* If port doesn't have vPorts, then it can use the global | |
509 | * VID-to-FID mapping. | |
510 | */ | |
511 | if (list_empty(&mlxsw_sp_port->vports_list)) | |
512 | return 0; | |
513 | ||
514 | return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, valid, fid, fid); | |
515 | } | |
516 | ||
517 | static int mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
518 | u16 fid_begin, u16 fid_end) | |
519 | { | |
520 | int fid, err; | |
521 | ||
522 | for (fid = fid_begin; fid <= fid_end; fid++) { | |
523 | err = __mlxsw_sp_port_fid_join(mlxsw_sp_port, fid); | |
524 | if (err) | |
525 | goto err_port_fid_join; | |
526 | } | |
527 | ||
528 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, | |
529 | true, false); | |
530 | if (err) | |
531 | goto err_port_flood_set; | |
532 | ||
533 | for (fid = fid_begin; fid <= fid_end; fid++) { | |
534 | err = mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, true); | |
535 | if (err) | |
536 | goto err_port_fid_map; | |
537 | } | |
538 | ||
539 | return 0; | |
540 | ||
541 | err_port_fid_map: | |
542 | for (fid--; fid >= fid_begin; fid--) | |
543 | mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, false); | |
544 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, false, | |
545 | false); | |
546 | err_port_flood_set: | |
547 | fid = fid_end; | |
548 | err_port_fid_join: | |
549 | for (fid--; fid >= fid_begin; fid--) | |
550 | __mlxsw_sp_port_fid_leave(mlxsw_sp_port, fid); | |
551 | return err; | |
552 | } | |
553 | ||
554 | static void mlxsw_sp_port_fid_leave(struct mlxsw_sp_port *mlxsw_sp_port, | |
555 | u16 fid_begin, u16 fid_end) | |
556 | { | |
557 | int fid; | |
558 | ||
559 | for (fid = fid_begin; fid <= fid_end; fid++) | |
560 | mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, false); | |
561 | ||
562 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, false, | |
563 | false); | |
564 | ||
565 | for (fid = fid_begin; fid <= fid_end; fid++) | |
566 | __mlxsw_sp_port_fid_leave(mlxsw_sp_port, fid); | |
567 | } | |
568 | ||
28a01d2d IS |
569 | static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, |
570 | u16 vid) | |
56ade8fe JP |
571 | { |
572 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
573 | char spvid_pl[MLXSW_REG_SPVID_LEN]; | |
574 | ||
575 | mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid); | |
576 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); | |
577 | } | |
578 | ||
28a01d2d IS |
579 | static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port, |
580 | bool allow) | |
581 | { | |
582 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
583 | char spaft_pl[MLXSW_REG_SPAFT_LEN]; | |
584 | ||
585 | mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow); | |
586 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl); | |
587 | } | |
588 | ||
589 | int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) | |
590 | { | |
591 | struct net_device *dev = mlxsw_sp_port->dev; | |
592 | int err; | |
593 | ||
594 | if (!vid) { | |
595 | err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false); | |
596 | if (err) { | |
597 | netdev_err(dev, "Failed to disallow untagged traffic\n"); | |
598 | return err; | |
599 | } | |
600 | } else { | |
601 | err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid); | |
602 | if (err) { | |
603 | netdev_err(dev, "Failed to set PVID\n"); | |
604 | return err; | |
605 | } | |
606 | ||
607 | /* Only allow if not already allowed. */ | |
608 | if (!mlxsw_sp_port->pvid) { | |
609 | err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, | |
610 | true); | |
611 | if (err) { | |
612 | netdev_err(dev, "Failed to allow untagged traffic\n"); | |
613 | goto err_port_allow_untagged_set; | |
614 | } | |
615 | } | |
616 | } | |
617 | ||
618 | mlxsw_sp_port->pvid = vid; | |
619 | return 0; | |
620 | ||
621 | err_port_allow_untagged_set: | |
622 | __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid); | |
623 | return err; | |
624 | } | |
625 | ||
3b7ad5ec IS |
626 | static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port *mlxsw_sp_port, |
627 | u16 vid_begin, u16 vid_end, bool is_member, | |
628 | bool untagged) | |
629 | { | |
630 | u16 vid, vid_e; | |
631 | int err; | |
632 | ||
633 | for (vid = vid_begin; vid <= vid_end; | |
634 | vid += MLXSW_REG_SPVM_REC_MAX_COUNT) { | |
635 | vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1), | |
636 | vid_end); | |
637 | ||
638 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, | |
639 | is_member, untagged); | |
640 | if (err) | |
641 | return err; | |
642 | } | |
643 | ||
644 | return 0; | |
645 | } | |
646 | ||
56ade8fe JP |
647 | static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, |
648 | u16 vid_begin, u16 vid_end, | |
649 | bool flag_untagged, bool flag_pvid) | |
650 | { | |
56ade8fe | 651 | struct net_device *dev = mlxsw_sp_port->dev; |
14d39461 | 652 | u16 vid, old_pvid; |
56ade8fe JP |
653 | int err; |
654 | ||
56ade8fe | 655 | if (!mlxsw_sp_port->bridged) |
32d863fb | 656 | return -EINVAL; |
56ade8fe | 657 | |
14d39461 | 658 | err = mlxsw_sp_port_fid_join(mlxsw_sp_port, vid_begin, vid_end); |
1b3433a9 | 659 | if (err) { |
14d39461 IS |
660 | netdev_err(dev, "Failed to join FIDs\n"); |
661 | return err; | |
56ade8fe JP |
662 | } |
663 | ||
3b7ad5ec IS |
664 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
665 | true, flag_untagged); | |
666 | if (err) { | |
667 | netdev_err(dev, "Unable to add VIDs %d-%d\n", vid_begin, | |
668 | vid_end); | |
b07a966c | 669 | goto err_port_vlans_set; |
56ade8fe JP |
670 | } |
671 | ||
b07a966c IS |
672 | old_pvid = mlxsw_sp_port->pvid; |
673 | if (flag_pvid && old_pvid != vid_begin) { | |
674 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid_begin); | |
56ade8fe | 675 | if (err) { |
b07a966c IS |
676 | netdev_err(dev, "Unable to add PVID %d\n", vid_begin); |
677 | goto err_port_pvid_set; | |
56ade8fe | 678 | } |
28a01d2d IS |
679 | } else if (!flag_pvid && old_pvid >= vid_begin && old_pvid <= vid_end) { |
680 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0); | |
681 | if (err) { | |
682 | netdev_err(dev, "Unable to del PVID\n"); | |
683 | goto err_port_pvid_set; | |
684 | } | |
56ade8fe JP |
685 | } |
686 | ||
687 | /* Changing activity bits only if HW operation succeded */ | |
fc1273af | 688 | for (vid = vid_begin; vid <= vid_end; vid++) { |
56ade8fe | 689 | set_bit(vid, mlxsw_sp_port->active_vlans); |
fc1273af ER |
690 | if (flag_untagged) |
691 | set_bit(vid, mlxsw_sp_port->untagged_vlans); | |
692 | else | |
693 | clear_bit(vid, mlxsw_sp_port->untagged_vlans); | |
694 | } | |
56ade8fe | 695 | |
b07a966c IS |
696 | /* STP state change must be done after we set active VLANs */ |
697 | err = mlxsw_sp_port_stp_state_set(mlxsw_sp_port, | |
698 | mlxsw_sp_port->stp_state); | |
699 | if (err) { | |
700 | netdev_err(dev, "Failed to set STP state\n"); | |
701 | goto err_port_stp_state_set; | |
702 | } | |
703 | ||
704 | return 0; | |
705 | ||
b07a966c IS |
706 | err_port_stp_state_set: |
707 | for (vid = vid_begin; vid <= vid_end; vid++) | |
708 | clear_bit(vid, mlxsw_sp_port->active_vlans); | |
709 | if (old_pvid != mlxsw_sp_port->pvid) | |
710 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid); | |
711 | err_port_pvid_set: | |
712 | __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false, | |
713 | false); | |
714 | err_port_vlans_set: | |
14d39461 | 715 | mlxsw_sp_port_fid_leave(mlxsw_sp_port, vid_begin, vid_end); |
b07a966c | 716 | return err; |
56ade8fe JP |
717 | } |
718 | ||
719 | static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
720 | const struct switchdev_obj_port_vlan *vlan, | |
721 | struct switchdev_trans *trans) | |
722 | { | |
e4a13055 ER |
723 | bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; |
724 | bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID; | |
56ade8fe JP |
725 | |
726 | if (switchdev_trans_ph_prepare(trans)) | |
727 | return 0; | |
728 | ||
729 | return __mlxsw_sp_port_vlans_add(mlxsw_sp_port, | |
730 | vlan->vid_begin, vlan->vid_end, | |
e4a13055 | 731 | flag_untagged, flag_pvid); |
56ade8fe JP |
732 | } |
733 | ||
8a1ab5d7 | 734 | static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic) |
56ade8fe | 735 | { |
8a1ab5d7 JP |
736 | return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS : |
737 | MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY; | |
738 | } | |
739 | ||
740 | static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding) | |
741 | { | |
742 | return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT : | |
743 | MLXSW_REG_SFD_OP_WRITE_REMOVE; | |
744 | } | |
745 | ||
6e095fd4 IS |
746 | static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
747 | const char *mac, u16 fid, bool adding, | |
748 | enum mlxsw_reg_sfd_rec_action action, | |
749 | bool dynamic) | |
8a1ab5d7 | 750 | { |
56ade8fe JP |
751 | char *sfd_pl; |
752 | int err; | |
753 | ||
56ade8fe JP |
754 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
755 | if (!sfd_pl) | |
756 | return -ENOMEM; | |
757 | ||
8a1ab5d7 JP |
758 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
759 | mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
6e095fd4 | 760 | mac, fid, action, local_port); |
8a1ab5d7 JP |
761 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
762 | kfree(sfd_pl); | |
763 | ||
764 | return err; | |
765 | } | |
766 | ||
6e095fd4 IS |
767 | static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
768 | const char *mac, u16 fid, bool adding, | |
769 | bool dynamic) | |
770 | { | |
771 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, adding, | |
772 | MLXSW_REG_SFD_REC_ACTION_NOP, dynamic); | |
773 | } | |
774 | ||
775 | int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid, | |
776 | bool adding) | |
777 | { | |
778 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, 0, mac, fid, adding, | |
779 | MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER, | |
780 | false); | |
781 | } | |
782 | ||
8a1ab5d7 | 783 | static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id, |
64771e31 IS |
784 | const char *mac, u16 fid, u16 lag_vid, |
785 | bool adding, bool dynamic) | |
8a1ab5d7 JP |
786 | { |
787 | char *sfd_pl; | |
788 | int err; | |
789 | ||
790 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
791 | if (!sfd_pl) | |
792 | return -ENOMEM; | |
793 | ||
794 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
795 | mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
64771e31 IS |
796 | mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, |
797 | lag_vid, lag_id); | |
8a1ab5d7 | 798 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
56ade8fe JP |
799 | kfree(sfd_pl); |
800 | ||
801 | return err; | |
802 | } | |
803 | ||
804 | static int | |
805 | mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
806 | const struct switchdev_obj_port_fdb *fdb, | |
807 | struct switchdev_trans *trans) | |
808 | { | |
e4b6f693 | 809 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid); |
64771e31 | 810 | u16 lag_vid = 0; |
8a1ab5d7 | 811 | |
56ade8fe JP |
812 | if (switchdev_trans_ph_prepare(trans)) |
813 | return 0; | |
814 | ||
54a73201 | 815 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
64771e31 | 816 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
54a73201 IS |
817 | } |
818 | ||
8a1ab5d7 | 819 | if (!mlxsw_sp_port->lagged) |
2fa9d45e JP |
820 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp, |
821 | mlxsw_sp_port->local_port, | |
9de6a80e | 822 | fdb->addr, fid, true, false); |
8a1ab5d7 JP |
823 | else |
824 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp, | |
825 | mlxsw_sp_port->lag_id, | |
64771e31 IS |
826 | fdb->addr, fid, lag_vid, |
827 | true, false); | |
56ade8fe JP |
828 | } |
829 | ||
3a49b4fd ER |
830 | static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr, |
831 | u16 fid, u16 mid, bool adding) | |
832 | { | |
833 | char *sfd_pl; | |
834 | int err; | |
835 | ||
836 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
837 | if (!sfd_pl) | |
838 | return -ENOMEM; | |
839 | ||
840 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
841 | mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid, | |
842 | MLXSW_REG_SFD_REC_ACTION_NOP, mid); | |
843 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); | |
844 | kfree(sfd_pl); | |
845 | return err; | |
846 | } | |
847 | ||
848 | static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid, | |
849 | bool add, bool clear_all_ports) | |
850 | { | |
851 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
852 | char *smid_pl; | |
853 | int err, i; | |
854 | ||
855 | smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL); | |
856 | if (!smid_pl) | |
857 | return -ENOMEM; | |
858 | ||
859 | mlxsw_reg_smid_pack(smid_pl, mid, mlxsw_sp_port->local_port, add); | |
860 | if (clear_all_ports) { | |
861 | for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++) | |
862 | if (mlxsw_sp->ports[i]) | |
863 | mlxsw_reg_smid_port_mask_set(smid_pl, i, 1); | |
864 | } | |
865 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl); | |
866 | kfree(smid_pl); | |
867 | return err; | |
868 | } | |
869 | ||
870 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp, | |
871 | const unsigned char *addr, | |
872 | u16 vid) | |
873 | { | |
874 | struct mlxsw_sp_mid *mid; | |
875 | ||
876 | list_for_each_entry(mid, &mlxsw_sp->br_mids.list, list) { | |
877 | if (ether_addr_equal(mid->addr, addr) && mid->vid == vid) | |
878 | return mid; | |
879 | } | |
880 | return NULL; | |
881 | } | |
882 | ||
883 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, | |
884 | const unsigned char *addr, | |
885 | u16 vid) | |
886 | { | |
887 | struct mlxsw_sp_mid *mid; | |
888 | u16 mid_idx; | |
889 | ||
890 | mid_idx = find_first_zero_bit(mlxsw_sp->br_mids.mapped, | |
891 | MLXSW_SP_MID_MAX); | |
892 | if (mid_idx == MLXSW_SP_MID_MAX) | |
893 | return NULL; | |
894 | ||
895 | mid = kzalloc(sizeof(*mid), GFP_KERNEL); | |
896 | if (!mid) | |
897 | return NULL; | |
898 | ||
899 | set_bit(mid_idx, mlxsw_sp->br_mids.mapped); | |
900 | ether_addr_copy(mid->addr, addr); | |
901 | mid->vid = vid; | |
902 | mid->mid = mid_idx; | |
903 | mid->ref_count = 0; | |
904 | list_add_tail(&mid->list, &mlxsw_sp->br_mids.list); | |
905 | ||
906 | return mid; | |
907 | } | |
908 | ||
909 | static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp *mlxsw_sp, | |
910 | struct mlxsw_sp_mid *mid) | |
911 | { | |
912 | if (--mid->ref_count == 0) { | |
913 | list_del(&mid->list); | |
914 | clear_bit(mid->mid, mlxsw_sp->br_mids.mapped); | |
915 | kfree(mid); | |
916 | return 1; | |
917 | } | |
918 | return 0; | |
919 | } | |
920 | ||
921 | static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
922 | const struct switchdev_obj_port_mdb *mdb, | |
923 | struct switchdev_trans *trans) | |
924 | { | |
925 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
926 | struct net_device *dev = mlxsw_sp_port->dev; | |
927 | struct mlxsw_sp_mid *mid; | |
928 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid); | |
929 | int err = 0; | |
930 | ||
931 | if (switchdev_trans_ph_prepare(trans)) | |
932 | return 0; | |
933 | ||
934 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid); | |
935 | if (!mid) { | |
936 | mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, mdb->vid); | |
937 | if (!mid) { | |
938 | netdev_err(dev, "Unable to allocate MC group\n"); | |
939 | return -ENOMEM; | |
940 | } | |
941 | } | |
942 | mid->ref_count++; | |
943 | ||
944 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true, | |
945 | mid->ref_count == 1); | |
946 | if (err) { | |
947 | netdev_err(dev, "Unable to set SMID\n"); | |
948 | goto err_out; | |
949 | } | |
950 | ||
951 | if (mid->ref_count == 1) { | |
952 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid->mid, | |
953 | true); | |
954 | if (err) { | |
955 | netdev_err(dev, "Unable to set MC SFD\n"); | |
956 | goto err_out; | |
957 | } | |
958 | } | |
959 | ||
960 | return 0; | |
961 | ||
962 | err_out: | |
963 | __mlxsw_sp_mc_dec_ref(mlxsw_sp, mid); | |
964 | return err; | |
965 | } | |
966 | ||
56ade8fe JP |
967 | static int mlxsw_sp_port_obj_add(struct net_device *dev, |
968 | const struct switchdev_obj *obj, | |
969 | struct switchdev_trans *trans) | |
970 | { | |
971 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
972 | int err = 0; | |
973 | ||
54a73201 IS |
974 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
975 | if (!mlxsw_sp_port) | |
976 | return -EINVAL; | |
977 | ||
56ade8fe JP |
978 | switch (obj->id) { |
979 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
54a73201 IS |
980 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
981 | return 0; | |
982 | ||
56ade8fe JP |
983 | err = mlxsw_sp_port_vlans_add(mlxsw_sp_port, |
984 | SWITCHDEV_OBJ_PORT_VLAN(obj), | |
985 | trans); | |
986 | break; | |
61c503f9 JP |
987 | case SWITCHDEV_OBJ_ID_IPV4_FIB: |
988 | err = mlxsw_sp_router_fib4_add(mlxsw_sp_port, | |
989 | SWITCHDEV_OBJ_IPV4_FIB(obj), | |
990 | trans); | |
991 | break; | |
56ade8fe JP |
992 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
993 | err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port, | |
994 | SWITCHDEV_OBJ_PORT_FDB(obj), | |
995 | trans); | |
996 | break; | |
3a49b4fd ER |
997 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
998 | err = mlxsw_sp_port_mdb_add(mlxsw_sp_port, | |
999 | SWITCHDEV_OBJ_PORT_MDB(obj), | |
1000 | trans); | |
1001 | break; | |
56ade8fe JP |
1002 | default: |
1003 | err = -EOPNOTSUPP; | |
1004 | break; | |
1005 | } | |
1006 | ||
1007 | return err; | |
1008 | } | |
1009 | ||
56ade8fe JP |
1010 | static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, |
1011 | u16 vid_begin, u16 vid_end, bool init) | |
1012 | { | |
1013 | struct net_device *dev = mlxsw_sp_port->dev; | |
3b7ad5ec | 1014 | u16 vid, pvid; |
56ade8fe JP |
1015 | int err; |
1016 | ||
56ade8fe | 1017 | if (!init && !mlxsw_sp_port->bridged) |
32d863fb | 1018 | return -EINVAL; |
56ade8fe | 1019 | |
3b7ad5ec IS |
1020 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
1021 | false, false); | |
1022 | if (err) { | |
1023 | netdev_err(dev, "Unable to del VIDs %d-%d\n", vid_begin, | |
1024 | vid_end); | |
1025 | return err; | |
56ade8fe JP |
1026 | } |
1027 | ||
28a01d2d IS |
1028 | if (init) |
1029 | goto out; | |
1030 | ||
06c071f6 | 1031 | pvid = mlxsw_sp_port->pvid; |
28a01d2d IS |
1032 | if (pvid >= vid_begin && pvid <= vid_end) { |
1033 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0); | |
56ade8fe | 1034 | if (err) { |
06c071f6 | 1035 | netdev_err(dev, "Unable to del PVID %d\n", pvid); |
56ade8fe JP |
1036 | return err; |
1037 | } | |
1038 | } | |
1039 | ||
14d39461 | 1040 | mlxsw_sp_port_fid_leave(mlxsw_sp_port, vid_begin, vid_end); |
56ade8fe JP |
1041 | |
1042 | out: | |
1043 | /* Changing activity bits only if HW operation succeded */ | |
1044 | for (vid = vid_begin; vid <= vid_end; vid++) | |
1045 | clear_bit(vid, mlxsw_sp_port->active_vlans); | |
1046 | ||
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1051 | const struct switchdev_obj_port_vlan *vlan) | |
1052 | { | |
1053 | return __mlxsw_sp_port_vlans_del(mlxsw_sp_port, | |
1054 | vlan->vid_begin, vlan->vid_end, false); | |
1055 | } | |
1056 | ||
4dc236c3 IS |
1057 | void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port) |
1058 | { | |
1059 | u16 vid; | |
1060 | ||
1061 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) | |
1062 | __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vid, vid, false); | |
1063 | } | |
1064 | ||
56ade8fe JP |
1065 | static int |
1066 | mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1067 | const struct switchdev_obj_port_fdb *fdb) | |
1068 | { | |
e4b6f693 | 1069 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid); |
64771e31 | 1070 | u16 lag_vid = 0; |
9de6a80e | 1071 | |
54a73201 | 1072 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
64771e31 | 1073 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
54a73201 IS |
1074 | } |
1075 | ||
8a1ab5d7 | 1076 | if (!mlxsw_sp_port->lagged) |
2fa9d45e JP |
1077 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp, |
1078 | mlxsw_sp_port->local_port, | |
9de6a80e | 1079 | fdb->addr, fid, |
8a1ab5d7 JP |
1080 | false, false); |
1081 | else | |
1082 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp, | |
1083 | mlxsw_sp_port->lag_id, | |
64771e31 | 1084 | fdb->addr, fid, lag_vid, |
8a1ab5d7 | 1085 | false, false); |
56ade8fe JP |
1086 | } |
1087 | ||
3a49b4fd ER |
1088 | static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, |
1089 | const struct switchdev_obj_port_mdb *mdb) | |
1090 | { | |
1091 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1092 | struct net_device *dev = mlxsw_sp_port->dev; | |
1093 | struct mlxsw_sp_mid *mid; | |
1094 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid); | |
1095 | u16 mid_idx; | |
1096 | int err = 0; | |
1097 | ||
1098 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid); | |
1099 | if (!mid) { | |
1100 | netdev_err(dev, "Unable to remove port from MC DB\n"); | |
1101 | return -EINVAL; | |
1102 | } | |
1103 | ||
1104 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false, false); | |
1105 | if (err) | |
1106 | netdev_err(dev, "Unable to remove port from SMID\n"); | |
1107 | ||
1108 | mid_idx = mid->mid; | |
1109 | if (__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid)) { | |
1110 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid_idx, | |
1111 | false); | |
1112 | if (err) | |
1113 | netdev_err(dev, "Unable to remove MC SFD\n"); | |
1114 | } | |
1115 | ||
1116 | return err; | |
1117 | } | |
1118 | ||
56ade8fe JP |
1119 | static int mlxsw_sp_port_obj_del(struct net_device *dev, |
1120 | const struct switchdev_obj *obj) | |
1121 | { | |
1122 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1123 | int err = 0; | |
1124 | ||
54a73201 IS |
1125 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
1126 | if (!mlxsw_sp_port) | |
1127 | return -EINVAL; | |
1128 | ||
56ade8fe JP |
1129 | switch (obj->id) { |
1130 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
54a73201 IS |
1131 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
1132 | return 0; | |
1133 | ||
56ade8fe JP |
1134 | err = mlxsw_sp_port_vlans_del(mlxsw_sp_port, |
1135 | SWITCHDEV_OBJ_PORT_VLAN(obj)); | |
1136 | break; | |
61c503f9 JP |
1137 | case SWITCHDEV_OBJ_ID_IPV4_FIB: |
1138 | err = mlxsw_sp_router_fib4_del(mlxsw_sp_port, | |
1139 | SWITCHDEV_OBJ_IPV4_FIB(obj)); | |
1140 | break; | |
56ade8fe JP |
1141 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
1142 | err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port, | |
1143 | SWITCHDEV_OBJ_PORT_FDB(obj)); | |
1144 | break; | |
3a49b4fd ER |
1145 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
1146 | err = mlxsw_sp_port_mdb_del(mlxsw_sp_port, | |
1147 | SWITCHDEV_OBJ_PORT_MDB(obj)); | |
00ae40e7 | 1148 | break; |
56ade8fe JP |
1149 | default: |
1150 | err = -EOPNOTSUPP; | |
1151 | break; | |
1152 | } | |
1153 | ||
1154 | return err; | |
1155 | } | |
1156 | ||
8a1ab5d7 JP |
1157 | static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp, |
1158 | u16 lag_id) | |
1159 | { | |
1160 | struct mlxsw_sp_port *mlxsw_sp_port; | |
1161 | int i; | |
1162 | ||
1163 | for (i = 0; i < MLXSW_SP_PORT_PER_LAG_MAX; i++) { | |
1164 | mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i); | |
1165 | if (mlxsw_sp_port) | |
1166 | return mlxsw_sp_port; | |
1167 | } | |
1168 | return NULL; | |
1169 | } | |
1170 | ||
56ade8fe JP |
1171 | static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, |
1172 | struct switchdev_obj_port_fdb *fdb, | |
304f5158 IS |
1173 | switchdev_obj_dump_cb_t *cb, |
1174 | struct net_device *orig_dev) | |
56ade8fe | 1175 | { |
8a1ab5d7 | 1176 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
3f47f867 | 1177 | struct mlxsw_sp_port *tmp; |
56918b6b IS |
1178 | struct mlxsw_sp_fid *f; |
1179 | u16 vport_fid; | |
56ade8fe JP |
1180 | char *sfd_pl; |
1181 | char mac[ETH_ALEN]; | |
9de6a80e | 1182 | u16 fid; |
56ade8fe | 1183 | u8 local_port; |
8a1ab5d7 | 1184 | u16 lag_id; |
56ade8fe JP |
1185 | u8 num_rec; |
1186 | int stored_err = 0; | |
1187 | int i; | |
1188 | int err; | |
1189 | ||
1190 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
1191 | if (!sfd_pl) | |
1192 | return -ENOMEM; | |
1193 | ||
56918b6b IS |
1194 | f = mlxsw_sp_vport_fid_get(mlxsw_sp_port); |
1195 | vport_fid = f ? f->fid : 0; | |
54a73201 | 1196 | |
56ade8fe JP |
1197 | mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0); |
1198 | do { | |
1199 | mlxsw_reg_sfd_num_rec_set(sfd_pl, MLXSW_REG_SFD_REC_MAX_COUNT); | |
8a1ab5d7 | 1200 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
56ade8fe JP |
1201 | if (err) |
1202 | goto out; | |
1203 | ||
1204 | num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); | |
1205 | ||
1206 | /* Even in case of error, we have to run the dump to the end | |
1207 | * so the session in firmware is finished. | |
1208 | */ | |
1209 | if (stored_err) | |
1210 | continue; | |
1211 | ||
1212 | for (i = 0; i < num_rec; i++) { | |
1213 | switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) { | |
1214 | case MLXSW_REG_SFD_REC_TYPE_UNICAST: | |
9de6a80e | 1215 | mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, &fid, |
56ade8fe JP |
1216 | &local_port); |
1217 | if (local_port == mlxsw_sp_port->local_port) { | |
004f85ea IS |
1218 | if (vport_fid && vport_fid == fid) |
1219 | fdb->vid = 0; | |
1220 | else if (!vport_fid && | |
1221 | !mlxsw_sp_fid_is_vfid(fid)) | |
54a73201 | 1222 | fdb->vid = fid; |
004f85ea IS |
1223 | else |
1224 | continue; | |
56ade8fe JP |
1225 | ether_addr_copy(fdb->addr, mac); |
1226 | fdb->ndm_state = NUD_REACHABLE; | |
56ade8fe JP |
1227 | err = cb(&fdb->obj); |
1228 | if (err) | |
1229 | stored_err = err; | |
1230 | } | |
8a1ab5d7 JP |
1231 | break; |
1232 | case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG: | |
1233 | mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i, | |
9de6a80e | 1234 | mac, &fid, &lag_id); |
3f47f867 IS |
1235 | tmp = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
1236 | if (tmp && tmp->local_port == | |
1237 | mlxsw_sp_port->local_port) { | |
304f5158 IS |
1238 | /* LAG records can only point to LAG |
1239 | * devices or VLAN devices on top. | |
1240 | */ | |
1241 | if (!netif_is_lag_master(orig_dev) && | |
1242 | !is_vlan_dev(orig_dev)) | |
1243 | continue; | |
004f85ea IS |
1244 | if (vport_fid && vport_fid == fid) |
1245 | fdb->vid = 0; | |
1246 | else if (!vport_fid && | |
1247 | !mlxsw_sp_fid_is_vfid(fid)) | |
54a73201 | 1248 | fdb->vid = fid; |
004f85ea IS |
1249 | else |
1250 | continue; | |
8a1ab5d7 JP |
1251 | ether_addr_copy(fdb->addr, mac); |
1252 | fdb->ndm_state = NUD_REACHABLE; | |
8a1ab5d7 JP |
1253 | err = cb(&fdb->obj); |
1254 | if (err) | |
1255 | stored_err = err; | |
1256 | } | |
1257 | break; | |
56ade8fe JP |
1258 | } |
1259 | } | |
1260 | } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT); | |
1261 | ||
1262 | out: | |
1263 | kfree(sfd_pl); | |
1264 | return stored_err ? stored_err : err; | |
1265 | } | |
1266 | ||
1267 | static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port, | |
1268 | struct switchdev_obj_port_vlan *vlan, | |
1269 | switchdev_obj_dump_cb_t *cb) | |
1270 | { | |
1271 | u16 vid; | |
1272 | int err = 0; | |
1273 | ||
54a73201 IS |
1274 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
1275 | vlan->flags = 0; | |
1276 | vlan->vid_begin = mlxsw_sp_vport_vid_get(mlxsw_sp_port); | |
1277 | vlan->vid_end = mlxsw_sp_vport_vid_get(mlxsw_sp_port); | |
1278 | return cb(&vlan->obj); | |
1279 | } | |
1280 | ||
56ade8fe JP |
1281 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { |
1282 | vlan->flags = 0; | |
1283 | if (vid == mlxsw_sp_port->pvid) | |
1284 | vlan->flags |= BRIDGE_VLAN_INFO_PVID; | |
fc1273af ER |
1285 | if (test_bit(vid, mlxsw_sp_port->untagged_vlans)) |
1286 | vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED; | |
56ade8fe JP |
1287 | vlan->vid_begin = vid; |
1288 | vlan->vid_end = vid; | |
1289 | err = cb(&vlan->obj); | |
1290 | if (err) | |
1291 | break; | |
1292 | } | |
1293 | return err; | |
1294 | } | |
1295 | ||
1296 | static int mlxsw_sp_port_obj_dump(struct net_device *dev, | |
1297 | struct switchdev_obj *obj, | |
1298 | switchdev_obj_dump_cb_t *cb) | |
1299 | { | |
1300 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1301 | int err = 0; | |
1302 | ||
54a73201 IS |
1303 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
1304 | if (!mlxsw_sp_port) | |
1305 | return -EINVAL; | |
1306 | ||
56ade8fe JP |
1307 | switch (obj->id) { |
1308 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
1309 | err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port, | |
1310 | SWITCHDEV_OBJ_PORT_VLAN(obj), cb); | |
1311 | break; | |
1312 | case SWITCHDEV_OBJ_ID_PORT_FDB: | |
1313 | err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port, | |
304f5158 IS |
1314 | SWITCHDEV_OBJ_PORT_FDB(obj), cb, |
1315 | obj->orig_dev); | |
56ade8fe JP |
1316 | break; |
1317 | default: | |
1318 | err = -EOPNOTSUPP; | |
1319 | break; | |
1320 | } | |
1321 | ||
1322 | return err; | |
1323 | } | |
1324 | ||
c7070fc4 | 1325 | static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = { |
56ade8fe JP |
1326 | .switchdev_port_attr_get = mlxsw_sp_port_attr_get, |
1327 | .switchdev_port_attr_set = mlxsw_sp_port_attr_set, | |
1328 | .switchdev_port_obj_add = mlxsw_sp_port_obj_add, | |
1329 | .switchdev_port_obj_del = mlxsw_sp_port_obj_del, | |
1330 | .switchdev_port_obj_dump = mlxsw_sp_port_obj_dump, | |
1331 | }; | |
1332 | ||
45827d78 IS |
1333 | static void mlxsw_sp_fdb_call_notifiers(bool learning_sync, bool adding, |
1334 | char *mac, u16 vid, | |
8a1ab5d7 JP |
1335 | struct net_device *dev) |
1336 | { | |
1337 | struct switchdev_notifier_fdb_info info; | |
1338 | unsigned long notifier_type; | |
1339 | ||
45827d78 | 1340 | if (learning_sync) { |
8a1ab5d7 JP |
1341 | info.addr = mac; |
1342 | info.vid = vid; | |
1343 | notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL; | |
1344 | call_switchdev_notifiers(notifier_type, dev, &info.info); | |
1345 | } | |
1346 | } | |
1347 | ||
56ade8fe JP |
1348 | static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
1349 | char *sfn_pl, int rec_index, | |
1350 | bool adding) | |
1351 | { | |
1352 | struct mlxsw_sp_port *mlxsw_sp_port; | |
1353 | char mac[ETH_ALEN]; | |
1354 | u8 local_port; | |
9de6a80e | 1355 | u16 vid, fid; |
12f1501e | 1356 | bool do_notification = true; |
56ade8fe JP |
1357 | int err; |
1358 | ||
9de6a80e | 1359 | mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port); |
56ade8fe JP |
1360 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
1361 | if (!mlxsw_sp_port) { | |
1362 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n"); | |
12f1501e | 1363 | goto just_remove; |
56ade8fe JP |
1364 | } |
1365 | ||
aac78a44 | 1366 | if (mlxsw_sp_fid_is_vfid(fid)) { |
aac78a44 IS |
1367 | struct mlxsw_sp_port *mlxsw_sp_vport; |
1368 | ||
d0ec875a IS |
1369 | mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_fid(mlxsw_sp_port, |
1370 | fid); | |
aac78a44 IS |
1371 | if (!mlxsw_sp_vport) { |
1372 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n"); | |
12f1501e | 1373 | goto just_remove; |
aac78a44 | 1374 | } |
004f85ea | 1375 | vid = 0; |
aac78a44 IS |
1376 | /* Override the physical port with the vPort. */ |
1377 | mlxsw_sp_port = mlxsw_sp_vport; | |
1378 | } else { | |
1379 | vid = fid; | |
1380 | } | |
1381 | ||
12f1501e JP |
1382 | adding = adding && mlxsw_sp_port->learning; |
1383 | ||
1384 | do_fdb_op: | |
2fa9d45e | 1385 | err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, |
12f1501e | 1386 | adding, true); |
56ade8fe JP |
1387 | if (err) { |
1388 | if (net_ratelimit()) | |
1389 | netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n"); | |
1390 | return; | |
1391 | } | |
1392 | ||
12f1501e JP |
1393 | if (!do_notification) |
1394 | return; | |
45827d78 | 1395 | mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, |
8a1ab5d7 | 1396 | adding, mac, vid, mlxsw_sp_port->dev); |
12f1501e JP |
1397 | return; |
1398 | ||
1399 | just_remove: | |
1400 | adding = false; | |
1401 | do_notification = false; | |
1402 | goto do_fdb_op; | |
8a1ab5d7 | 1403 | } |
56ade8fe | 1404 | |
8a1ab5d7 JP |
1405 | static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, |
1406 | char *sfn_pl, int rec_index, | |
1407 | bool adding) | |
1408 | { | |
1409 | struct mlxsw_sp_port *mlxsw_sp_port; | |
e43aca22 | 1410 | struct net_device *dev; |
8a1ab5d7 | 1411 | char mac[ETH_ALEN]; |
64771e31 | 1412 | u16 lag_vid = 0; |
8a1ab5d7 | 1413 | u16 lag_id; |
9de6a80e | 1414 | u16 vid, fid; |
12f1501e | 1415 | bool do_notification = true; |
8a1ab5d7 JP |
1416 | int err; |
1417 | ||
9de6a80e | 1418 | mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id); |
8a1ab5d7 JP |
1419 | mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
1420 | if (!mlxsw_sp_port) { | |
1421 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n"); | |
12f1501e | 1422 | goto just_remove; |
56ade8fe | 1423 | } |
8a1ab5d7 | 1424 | |
aac78a44 | 1425 | if (mlxsw_sp_fid_is_vfid(fid)) { |
aac78a44 IS |
1426 | struct mlxsw_sp_port *mlxsw_sp_vport; |
1427 | ||
d0ec875a IS |
1428 | mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_fid(mlxsw_sp_port, |
1429 | fid); | |
aac78a44 IS |
1430 | if (!mlxsw_sp_vport) { |
1431 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n"); | |
12f1501e | 1432 | goto just_remove; |
aac78a44 IS |
1433 | } |
1434 | ||
004f85ea | 1435 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); |
e43aca22 | 1436 | dev = mlxsw_sp_vport->dev; |
004f85ea | 1437 | vid = 0; |
aac78a44 IS |
1438 | /* Override the physical port with the vPort. */ |
1439 | mlxsw_sp_port = mlxsw_sp_vport; | |
1440 | } else { | |
e43aca22 | 1441 | dev = mlxsw_sp_lag_get(mlxsw_sp, lag_id)->dev; |
aac78a44 IS |
1442 | vid = fid; |
1443 | } | |
1444 | ||
12f1501e JP |
1445 | adding = adding && mlxsw_sp_port->learning; |
1446 | ||
1447 | do_fdb_op: | |
64771e31 | 1448 | err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid, |
12f1501e | 1449 | adding, true); |
8a1ab5d7 JP |
1450 | if (err) { |
1451 | if (net_ratelimit()) | |
1452 | netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n"); | |
1453 | return; | |
1454 | } | |
1455 | ||
12f1501e JP |
1456 | if (!do_notification) |
1457 | return; | |
45827d78 | 1458 | mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, adding, mac, |
e43aca22 | 1459 | vid, dev); |
12f1501e JP |
1460 | return; |
1461 | ||
1462 | just_remove: | |
1463 | adding = false; | |
1464 | do_notification = false; | |
1465 | goto do_fdb_op; | |
56ade8fe JP |
1466 | } |
1467 | ||
1468 | static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp, | |
1469 | char *sfn_pl, int rec_index) | |
1470 | { | |
1471 | switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) { | |
1472 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC: | |
1473 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
1474 | rec_index, true); | |
1475 | break; | |
1476 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC: | |
1477 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
1478 | rec_index, false); | |
1479 | break; | |
8a1ab5d7 JP |
1480 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG: |
1481 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
1482 | rec_index, true); | |
1483 | break; | |
1484 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG: | |
1485 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
1486 | rec_index, false); | |
1487 | break; | |
56ade8fe JP |
1488 | } |
1489 | } | |
1490 | ||
1491 | static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp) | |
1492 | { | |
dd9bdb04 JP |
1493 | mlxsw_core_schedule_dw(&mlxsw_sp->fdb_notify.dw, |
1494 | msecs_to_jiffies(mlxsw_sp->fdb_notify.interval)); | |
56ade8fe JP |
1495 | } |
1496 | ||
1497 | static void mlxsw_sp_fdb_notify_work(struct work_struct *work) | |
1498 | { | |
1499 | struct mlxsw_sp *mlxsw_sp; | |
1500 | char *sfn_pl; | |
1501 | u8 num_rec; | |
1502 | int i; | |
1503 | int err; | |
1504 | ||
1505 | sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL); | |
1506 | if (!sfn_pl) | |
1507 | return; | |
1508 | ||
1509 | mlxsw_sp = container_of(work, struct mlxsw_sp, fdb_notify.dw.work); | |
1510 | ||
4f2c6ae5 | 1511 | rtnl_lock(); |
56ade8fe JP |
1512 | do { |
1513 | mlxsw_reg_sfn_pack(sfn_pl); | |
1514 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl); | |
1515 | if (err) { | |
1516 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n"); | |
1517 | break; | |
1518 | } | |
1519 | num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl); | |
1520 | for (i = 0; i < num_rec; i++) | |
1521 | mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i); | |
1522 | ||
1523 | } while (num_rec); | |
4f2c6ae5 | 1524 | rtnl_unlock(); |
56ade8fe JP |
1525 | |
1526 | kfree(sfn_pl); | |
1527 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); | |
1528 | } | |
1529 | ||
1530 | static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp) | |
1531 | { | |
1532 | int err; | |
1533 | ||
1534 | err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME); | |
1535 | if (err) { | |
1536 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n"); | |
1537 | return err; | |
1538 | } | |
1539 | INIT_DELAYED_WORK(&mlxsw_sp->fdb_notify.dw, mlxsw_sp_fdb_notify_work); | |
1540 | mlxsw_sp->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL; | |
1541 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); | |
1542 | return 0; | |
1543 | } | |
1544 | ||
1545 | static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp) | |
1546 | { | |
1547 | cancel_delayed_work_sync(&mlxsw_sp->fdb_notify.dw); | |
1548 | } | |
1549 | ||
56ade8fe JP |
1550 | int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) |
1551 | { | |
1552 | return mlxsw_sp_fdb_init(mlxsw_sp); | |
1553 | } | |
1554 | ||
1555 | void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) | |
1556 | { | |
1557 | mlxsw_sp_fdb_fini(mlxsw_sp); | |
56ade8fe JP |
1558 | } |
1559 | ||
1560 | int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port) | |
1561 | { | |
1562 | struct net_device *dev = mlxsw_sp_port->dev; | |
1563 | int err; | |
1564 | ||
1565 | /* Allow only untagged packets to ingress and tag them internally | |
1566 | * with VID 1. | |
1567 | */ | |
1568 | mlxsw_sp_port->pvid = 1; | |
29edf44f ER |
1569 | err = __mlxsw_sp_port_vlans_del(mlxsw_sp_port, 0, VLAN_N_VID - 1, |
1570 | true); | |
56ade8fe JP |
1571 | if (err) { |
1572 | netdev_err(dev, "Unable to init VLANs\n"); | |
1573 | return err; | |
1574 | } | |
1575 | ||
1576 | /* Add implicit VLAN interface in the device, so that untagged | |
1577 | * packets will be classified to the default vFID. | |
1578 | */ | |
1579 | err = mlxsw_sp_port_add_vid(dev, 0, 1); | |
1580 | if (err) | |
1581 | netdev_err(dev, "Failed to configure default vFID\n"); | |
1582 | ||
1583 | return err; | |
1584 | } | |
1585 | ||
1586 | void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port) | |
1587 | { | |
1588 | mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops; | |
1589 | } | |
1590 | ||
1591 | void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port) | |
1592 | { | |
1593 | } |